From 92697139b01339b6c0767fa1305a4df9a7c1f37f Mon Sep 17 00:00:00 2001
From: Guanjun <guanjun@linux.alibaba.com>
Date: Mon, 27 Nov 2023 16:31:27 +0800
Subject: [PATCH 0001/2686] lib/find_bit: Fix the code comments about
find_next_bit_wrap
The function find_next_bit_wrap only has one memory region
to search on. Adjust the comments.
Signed-off-by: Guanjun <guanjun@linux.alibaba.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
---
include/linux/find.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/find.h b/include/linux/find.h
index 5e4f39ef2e72c..af63ae5b90137 100644
--- a/include/linux/find.h
+++ b/include/linux/find.h
@@ -413,8 +413,8 @@ unsigned long find_next_and_bit_wrap(const unsigned long *addr1,
}
/**
- * find_next_bit_wrap - find the next set bit in both memory regions
- * @addr: The first address to base the search on
+ * find_next_bit_wrap - find the next set bit in a memory region
+ * @addr: The address to base the search on
* @size: The bitmap size in bits
* @offset: The bitnumber to start searching at
*
--
GitLab
From 27c82f14e6d2bcb9f085bad37fe339227571de60 Mon Sep 17 00:00:00 2001
From: Yury Norov <yury.norov@gmail.com>
Date: Sat, 28 Oct 2023 12:05:29 -0700
Subject: [PATCH 0002/2686] lib/find: optimize find_*_bit_wrap
When an offset is 0, there's no need to search a bitmap from the
beginning after the 1st search failed, because each bit has already
been tested.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
---
include/linux/find.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/find.h b/include/linux/find.h
index af63ae5b90137..c69598e383c16 100644
--- a/include/linux/find.h
+++ b/include/linux/find.h
@@ -405,7 +405,7 @@ unsigned long find_next_and_bit_wrap(const unsigned long *addr1,
{
unsigned long bit = find_next_and_bit(addr1, addr2, size, offset);
- if (bit < size)
+ if (bit < size || offset == 0)
return bit;
bit = find_first_and_bit(addr1, addr2, offset);
@@ -427,7 +427,7 @@ unsigned long find_next_bit_wrap(const unsigned long *addr,
{
unsigned long bit = find_next_bit(addr, size, offset);
- if (bit < size)
+ if (bit < size || offset == 0)
return bit;
bit = find_first_bit(addr, offset);
--
GitLab
From e5f4e68eed85fa8495d78cd966eecc2b27bb9e53 Mon Sep 17 00:00:00 2001
From: Doug Smythies <dsmythies@telus.net>
Date: Mon, 3 Apr 2023 14:11:38 -0700
Subject: [PATCH 0003/2686] tools/power turbostat: Fix added raw MSR output
When using --Summary mode, added MSRs in raw mode always
print zeros. Print the actual register contents.
Example, with patch:
note the added column:
--add msr0x64f,u32,package,raw,REASON
Where:
0x64F is MSR_CORE_PERF_LIMIT_REASONS
Busy% Bzy_MHz PkgTmp PkgWatt CorWatt REASON
0.00 4800 35 1.42 0.76 0x00000000
0.00 4801 34 1.42 0.76 0x00000000
80.08 4531 66 108.17 107.52 0x08000000
98.69 4530 66 133.21 132.54 0x08000000
99.28 4505 66 128.26 127.60 0x0c000400
99.65 4486 68 124.91 124.25 0x0c000400
99.63 4483 68 124.90 124.25 0x0c000400
79.34 4481 41 99.80 99.13 0x0c000000
0.00 4801 41 1.40 0.73 0x0c000000
Where, for the test processor (i5-10600K):
PKG Limit #1: 125.000 Watts, 8.000000 sec
MSR bit 26 = log; bit 10 = status
PKG Limit #2: 136.000 Watts, 0.002441 sec
MSR bit 27 = log; bit 11 = status
Example, without patch:
Busy% Bzy_MHz PkgTmp PkgWatt CorWatt REASON
0.01 4800 35 1.43 0.77 0x00000000
0.00 4801 35 1.39 0.73 0x00000000
83.49 4531 66 112.71 112.06 0x00000000
98.69 4530 68 133.35 132.69 0x00000000
99.31 4500 67 127.96 127.30 0x00000000
99.63 4483 69 124.91 124.25 0x00000000
99.61 4481 69 124.90 124.25 0x00000000
99.61 4481 71 124.92 124.25 0x00000000
59.35 4479 42 75.03 74.37 0x00000000
0.00 4800 42 1.39 0.73 0x00000000
0.00 4801 42 1.42 0.76 0x00000000
c000000
[lenb: simplified patch to apply only to package scope]
Signed-off-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 7a334377f92b9..fca7913f6c84d 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -2444,9 +2444,10 @@ int sum_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status;
for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
- if (mp->format == FORMAT_RAW)
- continue;
- average.packages.counter[i] += p->counter[i];
+ if ((mp->format == FORMAT_RAW) && (topo.num_packages == 0))
+ average.packages.counter[i] = p->counter[i];
+ else
+ average.packages.counter[i] += p->counter[i];
}
return 0;
}
--
GitLab
From 3ac1d14d0583a2de75d49a5234d767e2590384dd Mon Sep 17 00:00:00 2001
From: Wyes Karny <wyes.karny@amd.com>
Date: Tue, 3 Oct 2023 05:07:51 +0000
Subject: [PATCH 0004/2686] tools/power turbostat: Increase the limit for fd
opened
When running turbostat, a system with 512 cpus reaches the limit for
maximum number of file descriptors that can be opened. To solve this
problem, the limit is raised to 2^15, which is a large enough number.
Below data is collected from AMD server systems while running turbostat:
|-----------+-------------------------------|
| # of cpus | # of opened fds for turbostat |
|-----------+-------------------------------|
| 128 | 260 |
|-----------+-------------------------------|
| 192 | 388 |
|-----------+-------------------------------|
| 512 | 1028 |
|-----------+-------------------------------|
So, the new max limit would be sufficient up to 2^14 cpus (but this
also depends on how many counters are enabled).
Reviewed-by: Doug Smythies <dsmythies@telus.net>
Tested-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Wyes Karny <wyes.karny@amd.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index fca7913f6c84d..2550a0e35914f 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -53,6 +53,8 @@
#define NAME_BYTES 20
#define PATH_BYTES 128
+#define MAX_NOFILE 0x8000
+
enum counter_scope { SCOPE_CPU, SCOPE_CORE, SCOPE_PACKAGE };
enum counter_type { COUNTER_ITEMS, COUNTER_CYCLES, COUNTER_SECONDS, COUNTER_USEC };
enum counter_format { FORMAT_RAW, FORMAT_DELTA, FORMAT_PERCENT };
@@ -6705,6 +6707,22 @@ void cmdline(int argc, char **argv)
}
}
+void set_rlimit(void)
+{
+ struct rlimit limit;
+
+ if (getrlimit(RLIMIT_NOFILE, &limit) < 0)
+ err(1, "Failed to get rlimit");
+
+ if (limit.rlim_max < MAX_NOFILE)
+ limit.rlim_max = MAX_NOFILE;
+ if (limit.rlim_cur < MAX_NOFILE)
+ limit.rlim_cur = MAX_NOFILE;
+
+ if (setrlimit(RLIMIT_NOFILE, &limit) < 0)
+ err(1, "Failed to set rlimit");
+}
+
int main(int argc, char **argv)
{
int fd, ret;
@@ -6730,6 +6748,9 @@ int main(int argc, char **argv)
probe_sysfs();
+ if (!getuid())
+ set_rlimit();
+
turbostat_init();
msr_sum_record();
--
GitLab
From 0b13410b52c4636aacb6964a4253a797c0fa0d16 Mon Sep 17 00:00:00 2001
From: Peng Liu <liupeng17@lenovo.com>
Date: Sat, 7 Oct 2023 13:46:22 +0800
Subject: [PATCH 0005/2686] tools/power turbostat: Fix Bzy_MHz documentation
typo
The code calculates Bzy_MHz by multiplying TSC_delta * APERF_delta/MPERF_delta
The man page erroneously showed that TSC_delta was divided.
Signed-off-by: Peng Liu <liupeng17@lenovo.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.8 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8
index 8f08c3fd498d5..1ba6340d3b3da 100644
--- a/tools/power/x86/turbostat/turbostat.8
+++ b/tools/power/x86/turbostat/turbostat.8
@@ -370,7 +370,7 @@ below the processor's base frequency.
Busy% = MPERF_delta/TSC_delta
-Bzy_MHz = TSC_delta/APERF_delta/MPERF_delta/measurement_interval
+Bzy_MHz = TSC_delta*APERF_delta/MPERF_delta/measurement_interval
Note that these calculations depend on TSC_delta, so they
are not reliable during intervals when TSC_MHz is not running at the base frequency.
--
GitLab
From 227ed18f456a68bbb69807294a9089208663a6d3 Mon Sep 17 00:00:00 2001
From: Chen Yu <yu.c.chen@intel.com>
Date: Sun, 22 Oct 2023 13:52:21 +0800
Subject: [PATCH 0006/2686] tools/power turbostat: Do not print negative LPI
residency
turbostat prints the abnormal SYS%LPI across suspend-to-idle:
SYS%LPI = 114479815993277.50
This is reproduced by:
Run a freeze cycle, e.g. "sleepgraph -m freeze -rtcwake 15".
Then do a reboot. After boot up, launch the suspend-idle-idle
and check the SYS%LPI field.
The slp_so residence counter is in LPIT table, and BIOS does not
clears this register across reset. The PMC expects the OS to calculate
the LPI residency based on the delta. However, there is an firmware
issue that the LPIT gets cleared to 0 during the second suspend
to idle after the reboot, which brings negative delta value.
[lenb: updated to print "neg" upon this BIOS failure]
Reported-by: Todd Brandt <todd.e.brandt@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 30 +++++++++++++++++++--------
1 file changed, 21 insertions(+), 9 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 2550a0e35914f..c23703dd54aa1 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -991,8 +991,8 @@ struct pkg_data {
unsigned long long pc8;
unsigned long long pc9;
unsigned long long pc10;
- unsigned long long cpu_lpi;
- unsigned long long sys_lpi;
+ long long cpu_lpi;
+ long long sys_lpi;
unsigned long long pkg_wtd_core_c0;
unsigned long long pkg_any_core_c0;
unsigned long long pkg_any_gfxe_c0;
@@ -1978,12 +1978,22 @@ int format_counters(struct thread_data *t, struct core_data *c, struct pkg_data
if (DO_BIC(BIC_Pkgpc10))
outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc10 / tsc);
- if (DO_BIC(BIC_CPU_LPI))
- outp +=
- sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->cpu_lpi / 1000000.0 / interval_float);
- if (DO_BIC(BIC_SYS_LPI))
- outp +=
- sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->sys_lpi / 1000000.0 / interval_float);
+ if (DO_BIC(BIC_CPU_LPI)) {
+ if (p->cpu_lpi >= 0)
+ outp +=
+ sprintf(outp, "%s%.2f", (printed++ ? delim : ""),
+ 100.0 * p->cpu_lpi / 1000000.0 / interval_float);
+ else
+ outp += sprintf(outp, "%s(neg)", (printed++ ? delim : ""));
+ }
+ if (DO_BIC(BIC_SYS_LPI)) {
+ if (p->sys_lpi >= 0)
+ outp +=
+ sprintf(outp, "%s%.2f", (printed++ ? delim : ""),
+ 100.0 * p->sys_lpi / 1000000.0 / interval_float);
+ else
+ outp += sprintf(outp, "%s(neg)", (printed++ ? delim : ""));
+ }
if (DO_BIC(BIC_PkgWatt))
outp +=
@@ -3832,7 +3842,8 @@ void re_initialize(void)
{
free_all_buffers();
setup_all_buffers(false);
- fprintf(outf, "turbostat: re-initialized with num_cpus %d, allowed_cpus %d\n", topo.num_cpus, topo.allowed_cpus);
+ fprintf(outf, "turbostat: re-initialized with num_cpus %d, allowed_cpus %d\n", topo.num_cpus,
+ topo.allowed_cpus);
}
void set_max_cpu_num(void)
@@ -6145,6 +6156,7 @@ void topology_update(void)
topo.allowed_packages = 0;
for_all_cpus(update_topo, ODD_COUNTERS);
}
+
void setup_all_buffers(bool startup)
{
topology_probe(startup);
--
GitLab
From bb6181fa6bc942aac3f7f2fa8e3831952a2ef118 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Wed, 20 Dec 2023 13:11:05 -0500
Subject: [PATCH 0007/2686] tools/power turbostat: Expand
probe_intel_uncore_frequency()
Print current frequency along with the current (and initial) limits
Probe and print uncore config also for machines using the new cluster API
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 84 ++++++++++++++++++++-------
1 file changed, 63 insertions(+), 21 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index c23703dd54aa1..bbd2e0edadfae 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -4581,20 +4581,15 @@ static void dump_sysfs_file(char *path)
static void probe_intel_uncore_frequency(void)
{
int i, j;
- char path[128];
+ char path[256];
if (!genuine_intel)
return;
- if (access("/sys/devices/system/cpu/intel_uncore_frequency/package_00_die_00", R_OK))
- return;
-
- /* Cluster level sysfs not supported yet. */
- if (!access("/sys/devices/system/cpu/intel_uncore_frequency/uncore00", R_OK))
- return;
+ if (access("/sys/devices/system/cpu/intel_uncore_frequency/package_00_die_00/current_freq_khz", R_OK))
+ goto probe_cluster;
- if (!access("/sys/devices/system/cpu/intel_uncore_frequency/package_00_die_00/current_freq_khz", R_OK))
- BIC_PRESENT(BIC_UNCORE_MHZ);
+ BIC_PRESENT(BIC_UNCORE_MHZ);
if (quiet)
return;
@@ -4602,26 +4597,73 @@ static void probe_intel_uncore_frequency(void)
for (i = 0; i < topo.num_packages; ++i) {
for (j = 0; j < topo.num_die; ++j) {
int k, l;
+ char path_base[128];
+
+ sprintf(path_base, "/sys/devices/system/cpu/intel_uncore_frequency/package_%02d_die_%02d", i,
+ j);
- sprintf(path, "/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/min_freq_khz",
- i, j);
+ sprintf(path, "%s/min_freq_khz", path_base);
k = read_sysfs_int(path);
- sprintf(path, "/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/max_freq_khz",
- i, j);
+ sprintf(path, "%s/max_freq_khz", path_base);
l = read_sysfs_int(path);
- fprintf(outf, "Uncore Frequency pkg%d die%d: %d - %d MHz ", i, j, k / 1000, l / 1000);
+ fprintf(outf, "Uncore Frequency package%d die%d: %d - %d MHz ", i, j, k / 1000, l / 1000);
- sprintf(path,
- "/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/initial_min_freq_khz",
- i, j);
+ sprintf(path, "%s/initial_min_freq_khz", path_base);
k = read_sysfs_int(path);
- sprintf(path,
- "/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/initial_max_freq_khz",
- i, j);
+ sprintf(path, "%s/initial_max_freq_khz", path_base);
l = read_sysfs_int(path);
- fprintf(outf, "(%d - %d MHz)\n", k / 1000, l / 1000);
+ fprintf(outf, "(%d - %d MHz)", k / 1000, l / 1000);
+
+ sprintf(path, "%s/current_freq_khz", path_base);
+ k = read_sysfs_int(path);
+ fprintf(outf, " %d MHz\n", k / 1000);
}
}
+ return;
+
+probe_cluster:
+ if (access("/sys/devices/system/cpu/intel_uncore_frequency/uncore00/current_freq_khz", R_OK))
+ return;
+
+ if (quiet)
+ return;
+
+ for (i = 0;; ++i) {
+ int k, l;
+ char path_base[128];
+ int package_id, domain_id, cluster_id;
+
+ sprintf(path_base, "/sys/devices/system/cpu/intel_uncore_frequency/uncore%02d", i);
+
+ if (access(path_base, R_OK))
+ break;
+
+ sprintf(path, "%s/package_id", path_base);
+ package_id = read_sysfs_int(path);
+
+ sprintf(path, "%s/domain_id", path_base);
+ domain_id = read_sysfs_int(path);
+
+ sprintf(path, "%s/fabric_cluster_id", path_base);
+ cluster_id = read_sysfs_int(path);
+
+ sprintf(path, "%s/min_freq_khz", path_base);
+ k = read_sysfs_int(path);
+ sprintf(path, "%s/max_freq_khz", path_base);
+ l = read_sysfs_int(path);
+ fprintf(outf, "Uncore Frequency package%d domain%d cluster%d: %d - %d MHz ", package_id, domain_id,
+ cluster_id, k / 1000, l / 1000);
+
+ sprintf(path, "%s/initial_min_freq_khz", path_base);
+ k = read_sysfs_int(path);
+ sprintf(path, "%s/initial_max_freq_khz", path_base);
+ l = read_sysfs_int(path);
+ fprintf(outf, "(%d - %d MHz)", k / 1000, l / 1000);
+
+ sprintf(path, "%s/current_freq_khz", path_base);
+ k = read_sysfs_int(path);
+ fprintf(outf, " %d MHz\n", k / 1000);
+ }
}
static void probe_graphics(void)
--
GitLab
From fb5ceca046efc84f69fcf9779a013f8a0e63bbff Mon Sep 17 00:00:00 2001
From: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Date: Fri, 12 Jan 2024 13:48:14 +0100
Subject: [PATCH 0008/2686] tools/power turbostat: Print ucode revision only if
valid
If the MSR read were to fail, turbostat would print "microcode 0x0"
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index bbd2e0edadfae..a4a40a6e1b957 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -5679,6 +5679,7 @@ void process_cpuid()
unsigned int eax, ebx, ecx, edx;
unsigned int fms, family, model, stepping, ecx_flags, edx_flags;
unsigned long long ucode_patch = 0;
+ bool ucode_patch_valid = false;
eax = ebx = ecx = edx = 0;
@@ -5708,6 +5709,8 @@ void process_cpuid()
if (get_msr(sched_getcpu(), MSR_IA32_UCODE_REV, &ucode_patch))
warnx("get_msr(UCODE)");
+ else
+ ucode_patch_valid = true;
/*
* check max extended function levels of CPUID.
@@ -5718,9 +5721,12 @@ void process_cpuid()
__cpuid(0x80000000, max_extended_level, ebx, ecx, edx);
if (!quiet) {
- fprintf(outf, "CPUID(1): family:model:stepping 0x%x:%x:%x (%d:%d:%d) microcode 0x%x\n",
- family, model, stepping, family, model, stepping,
- (unsigned int)((ucode_patch >> 32) & 0xFFFFFFFF));
+ fprintf(outf, "CPUID(1): family:model:stepping 0x%x:%x:%x (%d:%d:%d)",
+ family, model, stepping, family, model, stepping);
+ if (ucode_patch_valid)
+ fprintf(outf, " microcode 0x%x", (unsigned int)((ucode_patch >> 32) & 0xFFFFFFFF));
+ fputc('\n', outf);
+
fprintf(outf, "CPUID(0x80000000): max_extended_levels: 0x%x\n", max_extended_level);
fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s %s %s\n",
ecx_flags & (1 << 0) ? "SSE3" : "-",
--
GitLab
From 3a6dd5f614a13033a47eaf439ac34e7b6fbc7705 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 21 Jan 2024 06:33:11 +0900
Subject: [PATCH 0009/2686] riscv: remove unneeded #include
<asm-generic/export.h>
Commit 62694797f56b ("use linux/export.h rather than
asm-generic/export.h") replaced deprecated <asm-generic/export.h>
inclusions.
Commit c2a658d41924 ("riscv: lib: vectorize copy_to_user/copy_from_user")
introduced a new instance of #include <asm-generic/export.h>.
arch/riscv/lib/uaccess_vector.S does not use EXPORT_SYMBOL, hence this
include directive is unneeded.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20240120213312.3033528-1-masahiroy@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/lib/uaccess_vector.S | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/riscv/lib/uaccess_vector.S b/arch/riscv/lib/uaccess_vector.S
index 51ab5588e9ff3..7c45f26de4f79 100644
--- a/arch/riscv/lib/uaccess_vector.S
+++ b/arch/riscv/lib/uaccess_vector.S
@@ -1,7 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <linux/linkage.h>
-#include <asm-generic/export.h>
#include <asm/asm.h>
#include <asm/asm-extable.h>
#include <asm/csr.h>
--
GitLab
From 01da6b99d49f60b1edead44e33569b1a2e9f49b7 Mon Sep 17 00:00:00 2001
From: Sanath S <Sanath.S@amd.com>
Date: Sat, 13 Jan 2024 11:39:57 +0200
Subject: [PATCH 0010/2686] thunderbolt: Introduce tb_port_reset()
Introduce a function that issues Downstream Port Reset to a USB4 port.
This supports Thunderbolt 2, 3 and USB4 routers.
Signed-off-by: Sanath S <Sanath.S@amd.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/lc.c | 45 +++++++++++++++++++++++++++++++++++
drivers/thunderbolt/switch.c | 7 ++++++
drivers/thunderbolt/tb.h | 2 ++
drivers/thunderbolt/tb_regs.h | 4 ++++
drivers/thunderbolt/usb4.c | 39 ++++++++++++++++++++++++++++++
5 files changed, 97 insertions(+)
diff --git a/drivers/thunderbolt/lc.c b/drivers/thunderbolt/lc.c
index 633970fbe9b05..63cb4b6afb718 100644
--- a/drivers/thunderbolt/lc.c
+++ b/drivers/thunderbolt/lc.c
@@ -6,6 +6,8 @@
* Author: Mika Westerberg <mika.westerberg@linux.intel.com>
*/
+#include <linux/delay.h>
+
#include "tb.h"
/**
@@ -45,6 +47,49 @@ static int find_port_lc_cap(struct tb_port *port)
return sw->cap_lc + start + phys * size;
}
+/**
+ * tb_lc_reset_port() - Trigger downstream port reset through LC
+ * @port: Port that is reset
+ *
+ * Triggers downstream port reset through link controller registers.
+ * Returns %0 in case of success negative errno otherwise. Only supports
+ * non-USB4 routers with link controller (that's Thunderbolt 2 and
+ * Thunderbolt 3).
+ */
+int tb_lc_reset_port(struct tb_port *port)
+{
+ struct tb_switch *sw = port->sw;
+ int cap, ret;
+ u32 mode;
+
+ if (sw->generation < 2)
+ return -EINVAL;
+
+ cap = find_port_lc_cap(port);
+ if (cap < 0)
+ return cap;
+
+ ret = tb_sw_read(sw, &mode, TB_CFG_SWITCH, cap + TB_LC_PORT_MODE, 1);
+ if (ret)
+ return ret;
+
+ mode |= TB_LC_PORT_MODE_DPR;
+
+ ret = tb_sw_write(sw, &mode, TB_CFG_SWITCH, cap + TB_LC_PORT_MODE, 1);
+ if (ret)
+ return ret;
+
+ fsleep(10000);
+
+ ret = tb_sw_read(sw, &mode, TB_CFG_SWITCH, cap + TB_LC_PORT_MODE, 1);
+ if (ret)
+ return ret;
+
+ mode &= ~TB_LC_PORT_MODE_DPR;
+
+ return tb_sw_write(sw, &mode, TB_CFG_SWITCH, cap + TB_LC_PORT_MODE, 1);
+}
+
static int tb_lc_set_port_configured(struct tb_port *port, bool configured)
{
bool upstream = tb_is_upstream_port(port);
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 900114ba4371b..b0e69d4313cea 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -676,6 +676,13 @@ int tb_port_disable(struct tb_port *port)
return __tb_port_enable(port, false);
}
+static int tb_port_reset(struct tb_port *port)
+{
+ if (tb_switch_is_usb4(port->sw))
+ return port->cap_usb4 ? usb4_port_reset(port) : 0;
+ return tb_lc_reset_port(port);
+}
+
/*
* tb_init_port() - initialize a port
*
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 997c5a5369052..c38b047ba14be 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -1169,6 +1169,7 @@ int tb_drom_read(struct tb_switch *sw);
int tb_drom_read_uid_only(struct tb_switch *sw, u64 *uid);
int tb_lc_read_uuid(struct tb_switch *sw, u32 *uuid);
+int tb_lc_reset_port(struct tb_port *port);
int tb_lc_configure_port(struct tb_port *port);
void tb_lc_unconfigure_port(struct tb_port *port);
int tb_lc_configure_xdomain(struct tb_port *port);
@@ -1301,6 +1302,7 @@ void usb4_switch_remove_ports(struct tb_switch *sw);
int usb4_port_unlock(struct tb_port *port);
int usb4_port_hotplug_enable(struct tb_port *port);
+int usb4_port_reset(struct tb_port *port);
int usb4_port_configure(struct tb_port *port);
void usb4_port_unconfigure(struct tb_port *port);
int usb4_port_configure_xdomain(struct tb_port *port, struct tb_xdomain *xd);
diff --git a/drivers/thunderbolt/tb_regs.h b/drivers/thunderbolt/tb_regs.h
index 87e4795275fe6..efcae298b3705 100644
--- a/drivers/thunderbolt/tb_regs.h
+++ b/drivers/thunderbolt/tb_regs.h
@@ -389,6 +389,7 @@ struct tb_regs_port_header {
#define PORT_CS_18_CSA BIT(22)
#define PORT_CS_18_TIP BIT(24)
#define PORT_CS_19 0x13
+#define PORT_CS_19_DPR BIT(0)
#define PORT_CS_19_PC BIT(3)
#define PORT_CS_19_PID BIT(4)
#define PORT_CS_19_WOC BIT(16)
@@ -584,6 +585,9 @@ struct tb_regs_hop {
#define TB_LC_POWER 0x740
/* Link controller registers */
+#define TB_LC_PORT_MODE 0x26
+#define TB_LC_PORT_MODE_DPR BIT(0)
+
#define TB_LC_CS_42 0x2a
#define TB_LC_CS_42_USB_PLUGGED BIT(31)
diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c
index f8f0d24ff6e46..4b35898aa2166 100644
--- a/drivers/thunderbolt/usb4.c
+++ b/drivers/thunderbolt/usb4.c
@@ -1113,6 +1113,45 @@ int usb4_port_hotplug_enable(struct tb_port *port)
return tb_port_write(port, &val, TB_CFG_PORT, ADP_CS_5, 1);
}
+/**
+ * usb4_port_reset() - Issue downstream port reset
+ * @port: USB4 port to reset
+ *
+ * Issues downstream port reset to @port.
+ */
+int usb4_port_reset(struct tb_port *port)
+{
+ int ret;
+ u32 val;
+
+ if (!port->cap_usb4)
+ return -EINVAL;
+
+ ret = tb_port_read(port, &val, TB_CFG_PORT,
+ port->cap_usb4 + PORT_CS_19, 1);
+ if (ret)
+ return ret;
+
+ val |= PORT_CS_19_DPR;
+
+ ret = tb_port_write(port, &val, TB_CFG_PORT,
+ port->cap_usb4 + PORT_CS_19, 1);
+ if (ret)
+ return ret;
+
+ fsleep(10000);
+
+ ret = tb_port_read(port, &val, TB_CFG_PORT,
+ port->cap_usb4 + PORT_CS_19, 1);
+ if (ret)
+ return ret;
+
+ val &= ~PORT_CS_19_DPR;
+
+ return tb_port_write(port, &val, TB_CFG_PORT,
+ port->cap_usb4 + PORT_CS_19, 1);
+}
+
static int usb4_port_set_configured(struct tb_port *port, bool configured)
{
int ret;
--
GitLab
From b35c1d7b11da8c08b14147bbe87c2c92f7a83f8b Mon Sep 17 00:00:00 2001
From: Sanath S <Sanath.S@amd.com>
Date: Sat, 13 Jan 2024 11:42:23 +0200
Subject: [PATCH 0011/2686] thunderbolt: Introduce tb_path_deactivate_hop()
This function can be used to clear path config space of an adapter. Make
it available for other files in this driver.
Signed-off-by: Sanath S <Sanath.S@amd.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/path.c | 13 +++++++++++++
drivers/thunderbolt/tb.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/drivers/thunderbolt/path.c b/drivers/thunderbolt/path.c
index 091a81bbdbdc9..f760e54cd9bd1 100644
--- a/drivers/thunderbolt/path.c
+++ b/drivers/thunderbolt/path.c
@@ -446,6 +446,19 @@ static int __tb_path_deactivate_hop(struct tb_port *port, int hop_index,
return -ETIMEDOUT;
}
+/**
+ * tb_path_deactivate_hop() - Deactivate one path in path config space
+ * @port: Lane or protocol adapter
+ * @hop_index: HopID of the path to be cleared
+ *
+ * This deactivates or clears a single path config space entry at
+ * @hop_index. Returns %0 in success and negative errno otherwise.
+ */
+int tb_path_deactivate_hop(struct tb_port *port, int hop_index)
+{
+ return __tb_path_deactivate_hop(port, hop_index, true);
+}
+
static void __tb_path_deactivate_hops(struct tb_path *path, int first_hop)
{
int i, res;
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index c38b047ba14be..2c689e3b02b94 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -1150,6 +1150,7 @@ struct tb_path *tb_path_alloc(struct tb *tb, struct tb_port *src, int src_hopid,
void tb_path_free(struct tb_path *path);
int tb_path_activate(struct tb_path *path);
void tb_path_deactivate(struct tb_path *path);
+int tb_path_deactivate_hop(struct tb_port *port, int hop_index);
bool tb_path_is_invalid(struct tb_path *path);
bool tb_path_port_on_path(const struct tb_path *path,
const struct tb_port *port);
--
GitLab
From ec8162b3f0683ae08a21f20517cf49272b07ee0b Mon Sep 17 00:00:00 2001
From: Sanath S <Sanath.S@amd.com>
Date: Sat, 13 Jan 2024 11:47:26 +0200
Subject: [PATCH 0012/2686] thunderbolt: Make tb_switch_reset() support
Thunderbolt 2, 3 and USB4 routers
Currently tb_switch_reset() only did something for Thunderbolt 1
devices. Expand this to support all generations, including USB4, and
both host and device routers.
Signed-off-by: Sanath S <Sanath.S@amd.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/switch.c | 123 ++++++++++++++++++++++++++++++----
drivers/thunderbolt/tb_regs.h | 2 +
2 files changed, 111 insertions(+), 14 deletions(-)
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index b0e69d4313cea..e7bda8729c7e2 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -1538,29 +1538,124 @@ static void tb_dump_switch(const struct tb *tb, const struct tb_switch *sw)
regs->__unknown1, regs->__unknown4);
}
+static int tb_switch_reset_host(struct tb_switch *sw)
+{
+ if (sw->generation > 1) {
+ struct tb_port *port;
+
+ tb_switch_for_each_port(sw, port) {
+ int i, ret;
+
+ /*
+ * For lane adapters we issue downstream port
+ * reset and clear up path config spaces.
+ *
+ * For protocol adapters we disable the path and
+ * clear path config space one by one (from 8 to
+ * Max Input HopID of the adapter).
+ */
+ if (tb_port_is_null(port) && !tb_is_upstream_port(port)) {
+ ret = tb_port_reset(port);
+ if (ret)
+ return ret;
+ } else if (tb_port_is_usb3_down(port) ||
+ tb_port_is_usb3_up(port)) {
+ tb_usb3_port_enable(port, false);
+ } else if (tb_port_is_dpin(port) ||
+ tb_port_is_dpout(port)) {
+ tb_dp_port_enable(port, false);
+ } else if (tb_port_is_pcie_down(port) ||
+ tb_port_is_pcie_up(port)) {
+ tb_pci_port_enable(port, false);
+ } else {
+ continue;
+ }
+
+ /* Cleanup path config space of protocol adapter */
+ for (i = TB_PATH_MIN_HOPID;
+ i <= port->config.max_in_hop_id; i++) {
+ ret = tb_path_deactivate_hop(port, i);
+ if (ret)
+ return ret;
+ }
+ }
+ } else {
+ struct tb_cfg_result res;
+
+ /* Thunderbolt 1 uses the "reset" config space packet */
+ res.err = tb_sw_write(sw, ((u32 *) &sw->config) + 2,
+ TB_CFG_SWITCH, 2, 2);
+ if (res.err)
+ return res.err;
+ res = tb_cfg_reset(sw->tb->ctl, tb_route(sw));
+ if (res.err > 0)
+ return -EIO;
+ else if (res.err < 0)
+ return res.err;
+ }
+
+ return 0;
+}
+
+static int tb_switch_reset_device(struct tb_switch *sw)
+{
+ return tb_port_reset(tb_switch_downstream_port(sw));
+}
+
+static bool tb_switch_enumerated(struct tb_switch *sw)
+{
+ u32 val;
+ int ret;
+
+ /*
+ * Read directly from the hardware because we use this also
+ * during system sleep where sw->config.enabled is already set
+ * by us.
+ */
+ ret = tb_sw_read(sw, &val, TB_CFG_SWITCH, ROUTER_CS_3, 1);
+ if (ret)
+ return false;
+
+ return !!(val & ROUTER_CS_3_V);
+}
+
/**
- * tb_switch_reset() - reconfigure route, enable and send TB_CFG_PKG_RESET
- * @sw: Switch to reset
+ * tb_switch_reset() - Perform reset to the router
+ * @sw: Router to reset
*
- * Return: Returns 0 on success or an error code on failure.
+ * Issues reset to the router @sw. Can be used for any router. For host
+ * routers, resets all the downstream ports and cleans up path config
+ * spaces accordingly. For device routers issues downstream port reset
+ * through the parent router, so as side effect there will be unplug
+ * soon after this is finished.
+ *
+ * If the router is not enumerated does nothing.
+ *
+ * Returns %0 on success or negative errno in case of failure.
*/
int tb_switch_reset(struct tb_switch *sw)
{
- struct tb_cfg_result res;
+ int ret;
- if (sw->generation > 1)
+ /*
+ * We cannot access the port config spaces unless the router is
+ * already enumerated. If the router is not enumerated it is
+ * equal to being reset so we can skip that here.
+ */
+ if (!tb_switch_enumerated(sw))
return 0;
- tb_sw_dbg(sw, "resetting switch\n");
+ tb_sw_dbg(sw, "resetting\n");
- res.err = tb_sw_write(sw, ((u32 *) &sw->config) + 2,
- TB_CFG_SWITCH, 2, 2);
- if (res.err)
- return res.err;
- res = tb_cfg_reset(sw->tb->ctl, tb_route(sw));
- if (res.err > 0)
- return -EIO;
- return res.err;
+ if (tb_route(sw))
+ ret = tb_switch_reset_device(sw);
+ else
+ ret = tb_switch_reset_host(sw);
+
+ if (ret)
+ tb_sw_warn(sw, "failed to reset\n");
+
+ return ret;
}
/**
diff --git a/drivers/thunderbolt/tb_regs.h b/drivers/thunderbolt/tb_regs.h
index efcae298b3705..1716babcbbd4a 100644
--- a/drivers/thunderbolt/tb_regs.h
+++ b/drivers/thunderbolt/tb_regs.h
@@ -194,6 +194,8 @@ struct tb_regs_switch_header {
#define USB4_VERSION_MAJOR_MASK GENMASK(7, 5)
#define ROUTER_CS_1 0x01
+#define ROUTER_CS_3 0x03
+#define ROUTER_CS_3_V BIT(31)
#define ROUTER_CS_4 0x04
/* Used with the router cmuv field */
#define ROUTER_CS_4_CMUV_V1 0x10
--
GitLab
From 59a54c5f3dbde00b8ad30aef27fe35b1fe07bf5c Mon Sep 17 00:00:00 2001
From: Sanath S <Sanath.S@amd.com>
Date: Sat, 13 Jan 2024 11:52:48 +0200
Subject: [PATCH 0013/2686] thunderbolt: Reset topology created by the boot
firmware
Boot firmware (typically BIOS) might have created tunnels of its own.
The tunnel configuration that it does might be sub-optimal. For instance
it may only support HBR2 monitors so the DisplayPort tunnels it created
may limit Linux graphics drivers. In addition there is an issue on some
AMD based systems where the BIOS does not allocate enough PCIe resources
for future topology extension. By resetting the USB4 topology the PCIe
links will be reset as well allowing Linux to re-allocate.
This aligns the behavior with Windows Connection Manager.
We already issued host router reset for USB4 v2 routers, now extend it
to USB4 v1 routers as well. For pre-USB4 (that's Apple systems) we leave
it as is and continue to discover the existing tunnels.
Suggested-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Sanath S <Sanath.S@amd.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/domain.c | 5 +++--
drivers/thunderbolt/icm.c | 2 +-
drivers/thunderbolt/nhi.c | 19 +++++++++++++------
drivers/thunderbolt/tb.c | 26 +++++++++++++++++++-------
drivers/thunderbolt/tb.h | 4 ++--
5 files changed, 38 insertions(+), 18 deletions(-)
diff --git a/drivers/thunderbolt/domain.c b/drivers/thunderbolt/domain.c
index 9fb1a64f3300b..df0d845e069ac 100644
--- a/drivers/thunderbolt/domain.c
+++ b/drivers/thunderbolt/domain.c
@@ -423,6 +423,7 @@ struct tb *tb_domain_alloc(struct tb_nhi *nhi, int timeout_msec, size_t privsize
/**
* tb_domain_add() - Add domain to the system
* @tb: Domain to add
+ * @reset: Issue reset to the host router
*
* Starts the domain and adds it to the system. Hotplugging devices will
* work after this has been returned successfully. In order to remove
@@ -431,7 +432,7 @@ struct tb *tb_domain_alloc(struct tb_nhi *nhi, int timeout_msec, size_t privsize
*
* Return: %0 in case of success and negative errno in case of error
*/
-int tb_domain_add(struct tb *tb)
+int tb_domain_add(struct tb *tb, bool reset)
{
int ret;
@@ -460,7 +461,7 @@ int tb_domain_add(struct tb *tb)
/* Start the domain */
if (tb->cm_ops->start) {
- ret = tb->cm_ops->start(tb);
+ ret = tb->cm_ops->start(tb, reset);
if (ret)
goto err_domain_del;
}
diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
index 56790d50f9e32..baf10d099c778 100644
--- a/drivers/thunderbolt/icm.c
+++ b/drivers/thunderbolt/icm.c
@@ -2144,7 +2144,7 @@ static int icm_runtime_resume(struct tb *tb)
return 0;
}
-static int icm_start(struct tb *tb)
+static int icm_start(struct tb *tb, bool not_used)
{
struct icm *icm = tb_priv(tb);
int ret;
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
index fb4f46e51753a..b22023fae60de 100644
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -1221,7 +1221,7 @@ static void nhi_check_iommu(struct tb_nhi *nhi)
str_enabled_disabled(port_ok));
}
-static void nhi_reset(struct tb_nhi *nhi)
+static bool nhi_reset(struct tb_nhi *nhi)
{
ktime_t timeout;
u32 val;
@@ -1229,11 +1229,11 @@ static void nhi_reset(struct tb_nhi *nhi)
val = ioread32(nhi->iobase + REG_CAPS);
/* Reset only v2 and later routers */
if (FIELD_GET(REG_CAPS_VERSION_MASK, val) < REG_CAPS_VERSION_2)
- return;
+ return false;
if (!host_reset) {
dev_dbg(&nhi->pdev->dev, "skipping host router reset\n");
- return;
+ return false;
}
iowrite32(REG_RESET_HRR, nhi->iobase + REG_RESET);
@@ -1244,12 +1244,14 @@ static void nhi_reset(struct tb_nhi *nhi)
val = ioread32(nhi->iobase + REG_RESET);
if (!(val & REG_RESET_HRR)) {
dev_warn(&nhi->pdev->dev, "host router reset successful\n");
- return;
+ return true;
}
usleep_range(10, 20);
} while (ktime_before(ktime_get(), timeout));
dev_warn(&nhi->pdev->dev, "timeout resetting host router\n");
+
+ return false;
}
static int nhi_init_msi(struct tb_nhi *nhi)
@@ -1331,6 +1333,7 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
struct device *dev = &pdev->dev;
struct tb_nhi *nhi;
struct tb *tb;
+ bool reset;
int res;
if (!nhi_imr_valid(pdev))
@@ -1365,7 +1368,11 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
nhi_check_quirks(nhi);
nhi_check_iommu(nhi);
- nhi_reset(nhi);
+ /*
+ * Only USB4 v2 hosts support host reset so if we already did
+ * that then don't do it again when the domain is initialized.
+ */
+ reset = nhi_reset(nhi) ? false : host_reset;
res = nhi_init_msi(nhi);
if (res)
@@ -1392,7 +1399,7 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
dev_dbg(dev, "NHI initialized, starting thunderbolt\n");
- res = tb_domain_add(tb);
+ res = tb_domain_add(tb, reset);
if (res) {
/*
* At this point the RX/TX rings might already have been
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 846d2813bb1a5..9a261560d0f4c 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -2581,7 +2581,7 @@ static int tb_scan_finalize_switch(struct device *dev, void *data)
return 0;
}
-static int tb_start(struct tb *tb)
+static int tb_start(struct tb *tb, bool reset)
{
struct tb_cm *tcm = tb_priv(tb);
int ret;
@@ -2622,12 +2622,24 @@ static int tb_start(struct tb *tb)
tb_switch_tmu_configure(tb->root_switch, TB_SWITCH_TMU_MODE_LOWRES);
/* Enable TMU if it is off */
tb_switch_tmu_enable(tb->root_switch);
- /* Full scan to discover devices added before the driver was loaded. */
- tb_scan_switch(tb->root_switch);
- /* Find out tunnels created by the boot firmware */
- tb_discover_tunnels(tb);
- /* Add DP resources from the DP tunnels created by the boot firmware */
- tb_discover_dp_resources(tb);
+
+ /*
+ * Boot firmware might have created tunnels of its own. Since we
+ * cannot be sure they are usable for us, tear them down and
+ * reset the ports to handle it as new hotplug for USB4 v1
+ * routers (for USB4 v2 and beyond we already do host reset).
+ */
+ if (reset && usb4_switch_version(tb->root_switch) == 1) {
+ tb_switch_reset(tb->root_switch);
+ } else {
+ /* Full scan to discover devices added before the driver was loaded. */
+ tb_scan_switch(tb->root_switch);
+ /* Find out tunnels created by the boot firmware */
+ tb_discover_tunnels(tb);
+ /* Add DP resources from the DP tunnels created by the boot firmware */
+ tb_discover_dp_resources(tb);
+ }
+
/*
* If the boot firmware did not create USB 3.x tunnels create them
* now for the whole topology.
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 2c689e3b02b94..d0dfbf040356d 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -483,7 +483,7 @@ struct tb_path {
*/
struct tb_cm_ops {
int (*driver_ready)(struct tb *tb);
- int (*start)(struct tb *tb);
+ int (*start)(struct tb *tb, bool reset);
void (*stop)(struct tb *tb);
int (*suspend_noirq)(struct tb *tb);
int (*resume_noirq)(struct tb *tb);
@@ -746,7 +746,7 @@ int tb_xdomain_init(void);
void tb_xdomain_exit(void);
struct tb *tb_domain_alloc(struct tb_nhi *nhi, int timeout_msec, size_t privsize);
-int tb_domain_add(struct tb *tb);
+int tb_domain_add(struct tb *tb, bool reset);
void tb_domain_remove(struct tb *tb);
int tb_domain_suspend_noirq(struct tb *tb);
int tb_domain_resume_noirq(struct tb *tb);
--
GitLab
From 7ebe52f3e7bcb57eb29b47fcbd23b4a5fed6b302 Mon Sep 17 00:00:00 2001
From: Mohammad Rahimi <rahimi.mhmmd@gmail.com>
Date: Sun, 14 Jan 2024 11:40:54 +0800
Subject: [PATCH 0014/2686] thunderbolt: Fix XDomain rx_lanes_show and
tx_lanes_show
If the Inter-Domain link is operating in asymmetric TB_LINK_WIDTH_ASYM_TX
mode, the rx_lanes_show should return 1 since there is only one receiver
and tx_lanes_show should return 3 since there are 3 transmitters.
Signed-off-by: Mohammad Rahimi <rahimi.mhmmd@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/xdomain.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c
index 9495742913d5c..10693a3ac16dd 100644
--- a/drivers/thunderbolt/xdomain.c
+++ b/drivers/thunderbolt/xdomain.c
@@ -1791,13 +1791,13 @@ static ssize_t rx_lanes_show(struct device *dev, struct device_attribute *attr,
switch (xd->link_width) {
case TB_LINK_WIDTH_SINGLE:
- case TB_LINK_WIDTH_ASYM_RX:
+ case TB_LINK_WIDTH_ASYM_TX:
width = 1;
break;
case TB_LINK_WIDTH_DUAL:
width = 2;
break;
- case TB_LINK_WIDTH_ASYM_TX:
+ case TB_LINK_WIDTH_ASYM_RX:
width = 3;
break;
default:
@@ -1817,13 +1817,13 @@ static ssize_t tx_lanes_show(struct device *dev, struct device_attribute *attr,
switch (xd->link_width) {
case TB_LINK_WIDTH_SINGLE:
- case TB_LINK_WIDTH_ASYM_TX:
+ case TB_LINK_WIDTH_ASYM_RX:
width = 1;
break;
case TB_LINK_WIDTH_DUAL:
width = 2;
break;
- case TB_LINK_WIDTH_ASYM_RX:
+ case TB_LINK_WIDTH_ASYM_TX:
width = 3;
break;
default:
--
GitLab
From e8f1297ba31f9a36969c98e41663c508b8fd7fdf Mon Sep 17 00:00:00 2001
From: Mohammad Rahimi <rahimi.mhmmd@gmail.com>
Date: Sun, 14 Jan 2024 20:04:20 +0800
Subject: [PATCH 0015/2686] thunderbolt: Fix rollback in
tb_port_lane_bonding_enable() for lane 1
If enabling lane bonding on lane 1 of a USB4 port results in an error,
the rollback should set TB_LINK_WIDTH_SINGLE for both lanes.
Signed-off-by: Mohammad Rahimi <rahimi.mhmmd@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/switch.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index e7bda8729c7e2..bf1daf5165a4e 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -1127,7 +1127,7 @@ int tb_port_lane_bonding_enable(struct tb_port *port)
ret = tb_port_set_link_width(port->dual_link_port,
TB_LINK_WIDTH_DUAL);
if (ret)
- goto err_lane0;
+ goto err_lane1;
}
/*
--
GitLab
From bf3159c0ef1fd2bc999e3a4910b1c610949ae333 Mon Sep 17 00:00:00 2001
From: Daniel Lezcano <daniel.lezcano@linaro.org>
Date: Wed, 27 Dec 2023 15:35:46 +0100
Subject: [PATCH 0016/2686] clocksource/drivers/imx: Fix
-Wunused-but-set-variable warning
All warnings (new ones prefixed by >>):
drivers/clocksource/timer-imx-gpt.c: In function 'mxc_timer_interrupt':
>> drivers/clocksource/timer-imx-gpt.c:279:18: warning: variable 'tstat' set but not used [-Wunused-but-set-variable]
279 | uint32_t tstat;
| ^~~~~
vim +/tstat +279 drivers/clocksource/timer-imx-gpt.c
The change remove the tstats assignment but not the reading of the
register, assuming the register may be a ROR (Reset On Read) which
happens in the driver's interrupt registers.
Fixes: df181e382816 ("clocksource/drivers/imx-gpt: Add support for ARM64")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312231803.XzPddRa5-lkp@intel.com/
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20231227143546.2823683-1-daniel.lezcano@linaro.org
---
drivers/clocksource/timer-imx-gpt.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/clocksource/timer-imx-gpt.c b/drivers/clocksource/timer-imx-gpt.c
index 6a878d227a13b..489e69169ed4e 100644
--- a/drivers/clocksource/timer-imx-gpt.c
+++ b/drivers/clocksource/timer-imx-gpt.c
@@ -258,9 +258,8 @@ static irqreturn_t mxc_timer_interrupt(int irq, void *dev_id)
{
struct clock_event_device *ced = dev_id;
struct imx_timer *imxtm = to_imx_timer(ced);
- uint32_t tstat;
- tstat = readl_relaxed(imxtm->base + imxtm->gpt->reg_tstat);
+ readl_relaxed(imxtm->base + imxtm->gpt->reg_tstat);
imxtm->gpt->gpt_irq_acknowledge(imxtm);
--
GitLab
From f253c9a1aa3360bd6d61407dbfc6ca002855caa3 Mon Sep 17 00:00:00 2001
From: Peter Griffin <peter.griffin@linaro.org>
Date: Fri, 22 Dec 2023 16:53:53 +0000
Subject: [PATCH 0017/2686] dt-bindings: timer: exynos4210-mct: Add
google,gs101-mct compatible
Add dedicated google,gs101-mct compatible to the dt-schema for
representing mct timer of the Google Tensor gs101 SoC.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20231222165355.1462740-2-peter.griffin@linaro.org
---
.../devicetree/bindings/timer/samsung,exynos4210-mct.yaml | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.yaml b/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.yaml
index 829bd2227f7c9..774b7992a0caf 100644
--- a/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.yaml
+++ b/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.yaml
@@ -26,6 +26,7 @@ properties:
- items:
- enum:
- axis,artpec8-mct
+ - google,gs101-mct
- samsung,exynos3250-mct
- samsung,exynos5250-mct
- samsung,exynos5260-mct
@@ -127,6 +128,7 @@ allOf:
contains:
enum:
- axis,artpec8-mct
+ - google,gs101-mct
- samsung,exynos5260-mct
- samsung,exynos5420-mct
- samsung,exynos5433-mct
--
GitLab
From 906fed29f4527e60db30d4eaa4b5b06a92447c69 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sat, 20 Jan 2024 09:36:15 -0800
Subject: [PATCH 0018/2686] clocksource/drivers/stm32: Fix all kernel-doc
warnings
Add a "Returns:" section in one function description.
Use the correct function name in another function description.
These changes prevent 2 warnings:
timer-stm32.c:79: warning: No description found for return value of 'stm32_timer_of_bits_get'
timer-stm32.c:189: warning: expecting prototype for stm32_timer_width(). Prototype was for stm32_timer_set_width() instead
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240120173615.14618-1-rdunlap@infradead.org
---
drivers/clocksource/timer-stm32.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/clocksource/timer-stm32.c b/drivers/clocksource/timer-stm32.c
index c9a753f96ba12..0a4ea3288bfbe 100644
--- a/drivers/clocksource/timer-stm32.c
+++ b/drivers/clocksource/timer-stm32.c
@@ -73,7 +73,7 @@ static void stm32_timer_of_bits_set(struct timer_of *to, int bits)
* Accessor helper to get the number of bits in the timer-of private
* structure.
*
- * Returns an integer corresponding to the number of bits.
+ * Returns: an integer corresponding to the number of bits.
*/
static int stm32_timer_of_bits_get(struct timer_of *to)
{
@@ -177,7 +177,7 @@ static irqreturn_t stm32_clock_event_handler(int irq, void *dev_id)
}
/**
- * stm32_timer_width - Sort out the timer width (32/16)
+ * stm32_timer_set_width - Sort out the timer width (32/16)
* @to: a pointer to a timer-of structure
*
* Write the 32-bit max value and read/return the result. If the timer
--
GitLab
From 702107ed5d89e50499aa1d65fe499a028073b25e Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sat, 20 Jan 2024 09:36:24 -0800
Subject: [PATCH 0019/2686] clocksource/drivers/ti-32K: Fix misuse of "/**"
comment
Change "/**" to a common "/*" comment in a non-kernel-doc comment to
avoid a kernel-doc warning:
timer-ti-32k.c:42: warning: expecting prototype for timer(). Prototype was for OMAP2_32KSYNCNT_REV_OFF() instead
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240120173624.16769-1-rdunlap@infradead.org
---
drivers/clocksource/timer-ti-32k.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clocksource/timer-ti-32k.c b/drivers/clocksource/timer-ti-32k.c
index 59b0be482f32c..a86529a707370 100644
--- a/drivers/clocksource/timer-ti-32k.c
+++ b/drivers/clocksource/timer-ti-32k.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/**
+/*
* timer-ti-32k.c - OMAP2 32k Timer Support
*
* Copyright (C) 2009 Nokia Corporation
--
GitLab
From 021d23428bdbae032294e8f4a29cb53cb50ae71c Mon Sep 17 00:00:00 2001
From: Wende Tan <twd2.me@gmail.com>
Date: Tue, 17 Oct 2023 15:21:04 -0700
Subject: [PATCH 0020/2686] RISC-V: build: Allow LTO to be selected
Allow LTO to be selected for RISC-V, only when LLD >= 14, since there is
an issue [1] in prior LLD versions that prevents LLD to generate proper
machine code for RISC-V when writing `nop`s.
To avoid boot failures in QEMU [2], '-mattr=+c' and '-mattr=+relax'
need to be passed via '-mllvm' to ld.lld, as there appears to be an
issue with LLVM's target-features and LTO [3], which can result in
incorrect relocations to branch targets [4]. Once this is fixed in LLVM,
it can be made conditional on affected ld.lld versions.
Disable LTO for arch/riscv/kernel/pi, as llvm-objcopy expects an ELF
object file when manipulating the files in that subfolder, rather than
LLVM bitcode.
[1] https://github.com/llvm/llvm-project/issues/50505, resolved by LLVM
commit e63455d5e0e5 ("[MC] Use local MCSubtargetInfo in writeNops")
[2] https://github.com/ClangBuiltLinux/linux/issues/1942
[3] https://github.com/llvm/llvm-project/issues/59350
[4] https://github.com/llvm/llvm-project/issues/65090
Tested-by: Wende Tan <twd2.me@gmail.com>
Signed-off-by: Wende Tan <twd2.me@gmail.com>
Co-developed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20231017-riscv-lto-v4-1-e7810b24e805@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/Kconfig | 3 +++
arch/riscv/Makefile | 5 +++++
arch/riscv/kernel/pi/Makefile | 3 +++
3 files changed, 11 insertions(+)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index bffbd869a0682..60c8fd1a677fa 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -47,6 +47,9 @@ config RISCV
select ARCH_SUPPORTS_CFI_CLANG
select ARCH_SUPPORTS_DEBUG_PAGEALLOC if MMU
select ARCH_SUPPORTS_HUGETLBFS if MMU
+ # LLD >= 14: https://github.com/llvm/llvm-project/issues/50505
+ select ARCH_SUPPORTS_LTO_CLANG if LLD_VERSION >= 140000
+ select ARCH_SUPPORTS_LTO_CLANG_THIN if LLD_VERSION >= 140000
select ARCH_SUPPORTS_PAGE_TABLE_CHECK if MMU
select ARCH_SUPPORTS_PER_VMA_LOCK if MMU
select ARCH_SUPPORTS_SHADOW_CALL_STACK if HAVE_SHADOW_CALL_STACK
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 0b7d109258e7d..252d63942f34e 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -50,6 +50,11 @@ ifndef CONFIG_AS_IS_LLVM
KBUILD_CFLAGS += -Wa,-mno-relax
KBUILD_AFLAGS += -Wa,-mno-relax
endif
+# LLVM has an issue with target-features and LTO: https://github.com/llvm/llvm-project/issues/59350
+# Ensure it is aware of linker relaxation with LTO, otherwise relocations may
+# be incorrect: https://github.com/llvm/llvm-project/issues/65090
+else ifeq ($(CONFIG_LTO_CLANG),y)
+ KBUILD_LDFLAGS += -mllvm -mattr=+c -mllvm -mattr=+relax
endif
ifeq ($(CONFIG_SHADOW_CALL_STACK),y)
diff --git a/arch/riscv/kernel/pi/Makefile b/arch/riscv/kernel/pi/Makefile
index 07915dc9279e9..b75f150b923d6 100644
--- a/arch/riscv/kernel/pi/Makefile
+++ b/arch/riscv/kernel/pi/Makefile
@@ -9,6 +9,9 @@ KBUILD_CFLAGS := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) -fpie \
-fno-asynchronous-unwind-tables -fno-unwind-tables \
$(call cc-option,-fno-addrsig)
+# Disable LTO
+KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO), $(KBUILD_CFLAGS))
+
KBUILD_CFLAGS += -mcmodel=medany
CFLAGS_cmdline_early.o += -D__NO_FORTIFY
--
GitLab
From 8745465e884c06736aafc6c0e7344ac3a3c7df94 Mon Sep 17 00:00:00 2001
From: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Date: Wed, 3 Jan 2024 13:08:51 +0100
Subject: [PATCH 0021/2686] iio: light: as73211: use IIO_VAL_FRACTIONAL for
intensity scales
The scale values associated to the light channels are calculated as a
division that can be better expressed as an IIO_VAL_FRACTIONAL type
instead of the current IIO_VAL_INT.
Note that the constant values used for the calculation were scaled up to
work with integers, turning the nW/cm^2 units from the datasheet into
nW/m^2, which would not be necessary with the IIO_VAL_FRACTIONAL type.
But to avoid issues from current users of the driver, the units must be
kept.
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/as73211.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/iio/light/as73211.c b/drivers/iio/light/as73211.c
index ec97a3a468392..b4c6f389a292d 100644
--- a/drivers/iio/light/as73211.c
+++ b/drivers/iio/light/as73211.c
@@ -356,25 +356,24 @@ static int as73211_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec cons
return IIO_VAL_INT_PLUS_MICRO;
case IIO_INTENSITY: {
- unsigned int scale;
switch (chan->channel2) {
case IIO_MOD_X:
- scale = AS73211_SCALE_X;
+ *val = AS73211_SCALE_X;
break;
case IIO_MOD_Y:
- scale = AS73211_SCALE_Y;
+ *val = AS73211_SCALE_Y;
break;
case IIO_MOD_Z:
- scale = AS73211_SCALE_Z;
+ *val = AS73211_SCALE_Z;
break;
default:
return -EINVAL;
}
- scale /= as73211_gain(data);
- scale /= as73211_integration_time_1024cyc(data);
- *val = scale;
- return IIO_VAL_INT;
+ *val2 = as73211_integration_time_1024cyc(data) *
+ as73211_gain(data);
+
+ return IIO_VAL_FRACTIONAL;
default:
return -EINVAL;
--
GitLab
From b4d971656407a888df111c8334e46f35cee0368d Mon Sep 17 00:00:00 2001
From: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Date: Wed, 3 Jan 2024 13:08:52 +0100
Subject: [PATCH 0022/2686] dt-bindings: iio: light: as73211: add support for
as7331
This device has the same properties and I2C addresses as the as73211.
The only difference between them is the photodiodes they use internally,
which in this case is irrelevant for the bindings.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../devicetree/bindings/iio/light/ams,as73211.yaml | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/iio/light/ams,as73211.yaml b/Documentation/devicetree/bindings/iio/light/ams,as73211.yaml
index 0e8cd02759b36..062a038aa0ff5 100644
--- a/Documentation/devicetree/bindings/iio/light/ams,as73211.yaml
+++ b/Documentation/devicetree/bindings/iio/light/ams,as73211.yaml
@@ -4,19 +4,22 @@
$id: http://devicetree.org/schemas/iio/light/ams,as73211.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
-title: AMS AS73211 JENCOLOR(R) Digital XYZ Sensor
+title: AMS AS73211 JENCOLOR(R) Digital XYZ Sensor and AMS AS7331 UV Sensor
maintainers:
- Christian Eggers <ceggers@arri.de>
description: |
- XYZ True Color Sensor with I2C Interface
+ AMS AS73211 XYZ True Color Sensor with I2C Interface
https://ams.com/documents/20143/36005/AS73211_DS000556_3-01.pdf/a65474c0-b302-c2fd-e30a-c98df87616df
+ AMS AS7331 UVA, UVB and UVC Sensor with I2C Interface
+ https://ams.com/documents/20143/9106314/AS7331_DS001047_4-00.pdf
properties:
compatible:
enum:
- ams,as73211
+ - ams,as7331
reg:
description:
--
GitLab
From 02324a09cbe2ae38ab081dd5a1f620ccfd3c62b7 Mon Sep 17 00:00:00 2001
From: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Date: Wed, 3 Jan 2024 13:08:53 +0100
Subject: [PATCH 0023/2686] iio: light: as73211: add support for as7331
The AMS AS7331 is a UV light sensor with three channels: UVA, UVB and
UVC (also known as deep UV and referenced as DUV in the iio core).
Its internal structure and forming blocks are practically identical to
the ones the AS73211 contains: API, internal DAC, I2C interface and
registers, measurement modes, number of channels and pinout.
The only difference between them is the photodiodes used to acquire
light, which means that only some modifications are required to add
support for the AS7331 in the existing driver.
The temperature channel is identical for both devices and only the
channel modifiers of the IIO_INTENSITY channels need to account for the
device type.
The scale values have been obtained from the chapter "7.5 Transfer
Function" of the official datasheet[1] for the configuration chosen as
basis (Nclk = 1024 and GAIN = 1). Those values keep the units from the
datasheet (nW/cm^2), as opposed to the units used for the AS73211
(nW/m^2).
Add a new device-specific data structure to account for the device
differences: channel types and scale of LSB per channel.
[1] https://ams.com/documents/20143/9106314/AS7331_DS001047_4-00.pdf
Tested-by: Christian Eggers <ceggers@arri.de>
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/Kconfig | 5 +-
drivers/iio/light/as73211.c | 141 +++++++++++++++++++++++++++++-------
2 files changed, 118 insertions(+), 28 deletions(-)
diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig
index 143003232d1c2..fd5a9879a582c 100644
--- a/drivers/iio/light/Kconfig
+++ b/drivers/iio/light/Kconfig
@@ -87,13 +87,14 @@ config APDS9960
module will be called apds9960
config AS73211
- tristate "AMS AS73211 XYZ color sensor"
+ tristate "AMS AS73211 XYZ color sensor and AMS AS7331 UV sensor"
depends on I2C
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help
If you say yes here you get support for the AMS AS73211
- JENCOLOR(R) Digital XYZ Sensor.
+ JENCOLOR(R) Digital XYZ and the AMS AS7331 UVA, UVB and UVC
+ ultraviolet sensors.
For triggered measurements, you will need an additional trigger driver
like IIO_HRTIMER_TRIGGER or IIO_SYSFS_TRIGGER.
diff --git a/drivers/iio/light/as73211.c b/drivers/iio/light/as73211.c
index b4c6f389a292d..be0068081ebbb 100644
--- a/drivers/iio/light/as73211.c
+++ b/drivers/iio/light/as73211.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Support for AMS AS73211 JENCOLOR(R) Digital XYZ Sensor
+ * Support for AMS AS73211 JENCOLOR(R) Digital XYZ Sensor and AMS AS7331
+ * UVA, UVB and UVC (DUV) Ultraviolet Sensor
*
* Author: Christian Eggers <ceggers@arri.de>
*
@@ -9,7 +10,9 @@
* Color light sensor with 16-bit channels for x, y, z and temperature);
* 7-bit I2C slave address 0x74 .. 0x77.
*
- * Datasheet: https://ams.com/documents/20143/36005/AS73211_DS000556_3-01.pdf
+ * Datasheets:
+ * AS73211: https://ams.com/documents/20143/36005/AS73211_DS000556_3-01.pdf
+ * AS7331: https://ams.com/documents/20143/9106314/AS7331_DS001047_4-00.pdf
*/
#include <linux/bitfield.h>
@@ -84,6 +87,20 @@ static const int as73211_hardwaregain_avail[] = {
1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048,
};
+struct as73211_data;
+
+/**
+ * struct as73211_spec_dev_data - device-specific data
+ * @intensity_scale: Function to retrieve intensity scale values.
+ * @channels: Device channels.
+ * @num_channels: Number of channels of the device.
+ */
+struct as73211_spec_dev_data {
+ int (*intensity_scale)(struct as73211_data *data, int chan, int *val, int *val2);
+ struct iio_chan_spec const *channels;
+ int num_channels;
+};
+
/**
* struct as73211_data - Instance data for one AS73211
* @client: I2C client.
@@ -94,6 +111,7 @@ static const int as73211_hardwaregain_avail[] = {
* @mutex: Keeps cached registers in sync with the device.
* @completion: Completion to wait for interrupt.
* @int_time_avail: Available integration times (depend on sampling frequency).
+ * @spec_dev: device-specific configuration.
*/
struct as73211_data {
struct i2c_client *client;
@@ -104,6 +122,7 @@ struct as73211_data {
struct mutex mutex;
struct completion completion;
int int_time_avail[AS73211_SAMPLE_TIME_NUM * 2];
+ const struct as73211_spec_dev_data *spec_dev;
};
#define AS73211_COLOR_CHANNEL(_color, _si, _addr) { \
@@ -138,6 +157,10 @@ struct as73211_data {
#define AS73211_SCALE_Y 298384270 /* nW/m^2 */
#define AS73211_SCALE_Z 160241927 /* nW/m^2 */
+#define AS7331_SCALE_UVA 340000 /* nW/cm^2 */
+#define AS7331_SCALE_UVB 378000 /* nW/cm^2 */
+#define AS7331_SCALE_UVC 166000 /* nW/cm^2 */
+
/* Channel order MUST match devices result register order */
#define AS73211_SCAN_INDEX_TEMP 0
#define AS73211_SCAN_INDEX_X 1
@@ -176,6 +199,28 @@ static const struct iio_chan_spec as73211_channels[] = {
IIO_CHAN_SOFT_TIMESTAMP(AS73211_SCAN_INDEX_TS),
};
+static const struct iio_chan_spec as7331_channels[] = {
+ {
+ .type = IIO_TEMP,
+ .info_mask_separate =
+ BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_OFFSET) |
+ BIT(IIO_CHAN_INFO_SCALE),
+ .address = AS73211_OUT_TEMP,
+ .scan_index = AS73211_SCAN_INDEX_TEMP,
+ .scan_type = {
+ .sign = 'u',
+ .realbits = 16,
+ .storagebits = 16,
+ .endianness = IIO_LE,
+ }
+ },
+ AS73211_COLOR_CHANNEL(LIGHT_UVA, AS73211_SCAN_INDEX_X, AS73211_OUT_MRES1),
+ AS73211_COLOR_CHANNEL(LIGHT_UVB, AS73211_SCAN_INDEX_Y, AS73211_OUT_MRES2),
+ AS73211_COLOR_CHANNEL(LIGHT_DUV, AS73211_SCAN_INDEX_Z, AS73211_OUT_MRES3),
+ IIO_CHAN_SOFT_TIMESTAMP(AS73211_SCAN_INDEX_TS),
+};
+
static unsigned int as73211_integration_time_1024cyc(struct as73211_data *data)
{
/*
@@ -316,6 +361,48 @@ static int as73211_req_data(struct as73211_data *data)
return 0;
}
+static int as73211_intensity_scale(struct as73211_data *data, int chan,
+ int *val, int *val2)
+{
+ switch (chan) {
+ case IIO_MOD_X:
+ *val = AS73211_SCALE_X;
+ break;
+ case IIO_MOD_Y:
+ *val = AS73211_SCALE_Y;
+ break;
+ case IIO_MOD_Z:
+ *val = AS73211_SCALE_Z;
+ break;
+ default:
+ return -EINVAL;
+ }
+ *val2 = as73211_integration_time_1024cyc(data) * as73211_gain(data);
+
+ return IIO_VAL_FRACTIONAL;
+}
+
+static int as7331_intensity_scale(struct as73211_data *data, int chan,
+ int *val, int *val2)
+{
+ switch (chan) {
+ case IIO_MOD_LIGHT_UVA:
+ *val = AS7331_SCALE_UVA;
+ break;
+ case IIO_MOD_LIGHT_UVB:
+ *val = AS7331_SCALE_UVB;
+ break;
+ case IIO_MOD_LIGHT_DUV:
+ *val = AS7331_SCALE_UVC;
+ break;
+ default:
+ return -EINVAL;
+ }
+ *val2 = as73211_integration_time_1024cyc(data) * as73211_gain(data);
+
+ return IIO_VAL_FRACTIONAL;
+}
+
static int as73211_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan,
int *val, int *val2, long mask)
{
@@ -355,29 +442,13 @@ static int as73211_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec cons
*val2 = AS73211_SCALE_TEMP_MICRO;
return IIO_VAL_INT_PLUS_MICRO;
- case IIO_INTENSITY: {
-
- switch (chan->channel2) {
- case IIO_MOD_X:
- *val = AS73211_SCALE_X;
- break;
- case IIO_MOD_Y:
- *val = AS73211_SCALE_Y;
- break;
- case IIO_MOD_Z:
- *val = AS73211_SCALE_Z;
- break;
- default:
- return -EINVAL;
- }
- *val2 = as73211_integration_time_1024cyc(data) *
- as73211_gain(data);
-
- return IIO_VAL_FRACTIONAL;
+ case IIO_INTENSITY:
+ return data->spec_dev->intensity_scale(data, chan->channel2,
+ val, val2);
default:
return -EINVAL;
- }}
+ }
case IIO_CHAN_INFO_SAMP_FREQ:
/* f_samp is configured in CREG3 in powers of 2 (x 1.024 MHz) */
@@ -675,13 +746,17 @@ static int as73211_probe(struct i2c_client *client)
i2c_set_clientdata(client, indio_dev);
data->client = client;
+ data->spec_dev = i2c_get_match_data(client);
+ if (!data->spec_dev)
+ return -EINVAL;
+
mutex_init(&data->mutex);
init_completion(&data->completion);
indio_dev->info = &as73211_info;
indio_dev->name = AS73211_DRV_NAME;
- indio_dev->channels = as73211_channels;
- indio_dev->num_channels = ARRAY_SIZE(as73211_channels);
+ indio_dev->channels = data->spec_dev->channels;
+ indio_dev->num_channels = data->spec_dev->num_channels;
indio_dev->modes = INDIO_DIRECT_MODE;
ret = i2c_smbus_read_byte_data(data->client, AS73211_REG_OSR);
@@ -771,14 +846,28 @@ static int as73211_resume(struct device *dev)
static DEFINE_SIMPLE_DEV_PM_OPS(as73211_pm_ops, as73211_suspend,
as73211_resume);
+static const struct as73211_spec_dev_data as73211_spec = {
+ .intensity_scale = as73211_intensity_scale,
+ .channels = as73211_channels,
+ .num_channels = ARRAY_SIZE(as73211_channels),
+};
+
+static const struct as73211_spec_dev_data as7331_spec = {
+ .intensity_scale = as7331_intensity_scale,
+ .channels = as7331_channels,
+ .num_channels = ARRAY_SIZE(as7331_channels),
+};
+
static const struct of_device_id as73211_of_match[] = {
- { .compatible = "ams,as73211" },
+ { .compatible = "ams,as73211", &as73211_spec },
+ { .compatible = "ams,as7331", &as7331_spec },
{ }
};
MODULE_DEVICE_TABLE(of, as73211_of_match);
static const struct i2c_device_id as73211_id[] = {
- { "as73211", 0 },
+ { "as73211", (kernel_ulong_t)&as73211_spec },
+ { "as7331", (kernel_ulong_t)&as7331_spec },
{ }
};
MODULE_DEVICE_TABLE(i2c, as73211_id);
--
GitLab
From a9058f287016f24c1d88acd062933424e623fa32 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Thu, 4 Jan 2024 17:01:52 +0100
Subject: [PATCH 0024/2686] iio: accel: da280: Simplify id-matching
da280_match_acpi_device() is a DIY version of acpi_device_get_match_data(),
so it can be dropped.
And things can be simplified further by using i2c_get_match_data() which
will also check i2c_client_id style ids.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240104160152.304100-1-hdegoede@redhat.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/da280.c | 64 +++++++++++++++------------------------
1 file changed, 25 insertions(+), 39 deletions(-)
diff --git a/drivers/iio/accel/da280.c b/drivers/iio/accel/da280.c
index 572bfe9694b07..756e2ea7c0562 100644
--- a/drivers/iio/accel/da280.c
+++ b/drivers/iio/accel/da280.c
@@ -23,8 +23,6 @@
#define DA280_MODE_ENABLE 0x1e
#define DA280_MODE_DISABLE 0x9e
-enum da280_chipset { da217, da226, da280 };
-
/*
* a value of + or -4096 corresponds to + or - 1G
* scale = 9.81 / 4096 = 0.002395019
@@ -47,6 +45,11 @@ static const struct iio_chan_spec da280_channels[] = {
DA280_CHANNEL(DA280_REG_ACC_Z_LSB, Z),
};
+struct da280_match_data {
+ const char *name;
+ int num_channels;
+};
+
struct da280_data {
struct i2c_client *client;
};
@@ -89,17 +92,6 @@ static const struct iio_info da280_info = {
.read_raw = da280_read_raw,
};
-static enum da280_chipset da280_match_acpi_device(struct device *dev)
-{
- const struct acpi_device_id *id;
-
- id = acpi_match_device(dev->driver->acpi_match_table, dev);
- if (!id)
- return -EINVAL;
-
- return (enum da280_chipset) id->driver_data;
-}
-
static void da280_disable(void *client)
{
da280_enable(client, false);
@@ -107,16 +99,21 @@ static void da280_disable(void *client)
static int da280_probe(struct i2c_client *client)
{
- const struct i2c_device_id *id = i2c_client_get_device_id(client);
- int ret;
+ const struct da280_match_data *match_data;
struct iio_dev *indio_dev;
struct da280_data *data;
- enum da280_chipset chip;
+ int ret;
ret = i2c_smbus_read_byte_data(client, DA280_REG_CHIP_ID);
if (ret != DA280_CHIP_ID)
return (ret < 0) ? ret : -ENODEV;
+ match_data = i2c_get_match_data(client);
+ if (!match_data) {
+ dev_err(&client->dev, "Error match-data not set\n");
+ return -EINVAL;
+ }
+
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
if (!indio_dev)
return -ENOMEM;
@@ -127,23 +124,8 @@ static int da280_probe(struct i2c_client *client)
indio_dev->info = &da280_info;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->channels = da280_channels;
-
- if (ACPI_HANDLE(&client->dev)) {
- chip = da280_match_acpi_device(&client->dev);
- } else {
- chip = id->driver_data;
- }
-
- if (chip == da217) {
- indio_dev->name = "da217";
- indio_dev->num_channels = 3;
- } else if (chip == da226) {
- indio_dev->name = "da226";
- indio_dev->num_channels = 2;
- } else {
- indio_dev->name = "da280";
- indio_dev->num_channels = 3;
- }
+ indio_dev->num_channels = match_data->num_channels;
+ indio_dev->name = match_data->name;
ret = da280_enable(client, true);
if (ret < 0)
@@ -168,17 +150,21 @@ static int da280_resume(struct device *dev)
static DEFINE_SIMPLE_DEV_PM_OPS(da280_pm_ops, da280_suspend, da280_resume);
+static const struct da280_match_data da217_match_data = { "da217", 3 };
+static const struct da280_match_data da226_match_data = { "da226", 2 };
+static const struct da280_match_data da280_match_data = { "da280", 3 };
+
static const struct acpi_device_id da280_acpi_match[] = {
- {"NSA2513", da217},
- {"MIRAACC", da280},
- {},
+ { "NSA2513", (kernel_ulong_t)&da217_match_data },
+ { "MIRAACC", (kernel_ulong_t)&da280_match_data },
+ {}
};
MODULE_DEVICE_TABLE(acpi, da280_acpi_match);
static const struct i2c_device_id da280_i2c_id[] = {
- { "da217", da217 },
- { "da226", da226 },
- { "da280", da280 },
+ { "da217", (kernel_ulong_t)&da217_match_data },
+ { "da226", (kernel_ulong_t)&da226_match_data },
+ { "da280", (kernel_ulong_t)&da280_match_data },
{}
};
MODULE_DEVICE_TABLE(i2c, da280_i2c_id);
--
GitLab
From 0ba6014a2317b8dae9e31cd293f6666c5172efe9 Mon Sep 17 00:00:00 2001
From: Mohammed Billoo <mab.kernel@gmail.com>
Date: Sat, 6 Jan 2024 12:48:35 -0500
Subject: [PATCH 0025/2686] iio: adc: ti-ads1015: Use correct pga upper bound
The devicetree binding and datasheets (for both the ADS1015 and
ADS1115) show that the PGA index should have a maximum value of 5,
and not 6.
Signed-off-by: Mohammed Billoo <mab.kernel@gmail.com>
Link: https://lore.kernel.org/r/20240106174836.1086714-1-mab.kernel@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/ti-ads1015.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c
index 6799ea49dbc73..6ae967e4d8fa7 100644
--- a/drivers/iio/adc/ti-ads1015.c
+++ b/drivers/iio/adc/ti-ads1015.c
@@ -925,7 +925,7 @@ static int ads1015_client_get_channels_config(struct i2c_client *client)
if (!fwnode_property_read_u32(node, "ti,gain", &pval)) {
pga = pval;
- if (pga > 6) {
+ if (pga > 5) {
dev_err(dev, "invalid gain on %pfw\n", node);
fwnode_handle_put(node);
return -EINVAL;
--
GitLab
From 7b34e1e330298cc47985de2e71498ec71f933931 Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Fri, 29 Dec 2023 11:24:29 +0200
Subject: [PATCH 0026/2686] dt-bindings: iio: pressure:
honeywell,mprls0025pa.yaml improvements
Define enum inside the honeywell,transfer-function property block.
Set the correct irq edge in the example block.
Based on the datasheet, in table 13 on page 11:
"End-of-conversion indicator: This pin is set high when a measurement
and calculation have been completed and the data is ready to be
clocked out"
Add description on End-of-conversion interrupt.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Co-developed-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20231229092445.30180-2-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../bindings/iio/pressure/honeywell,mprls0025pa.yaml | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
index d9e903fbfd99e..84ced4e5a7da6 100644
--- a/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
+++ b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
@@ -42,6 +42,10 @@ properties:
maxItems: 1
interrupts:
+ description:
+ Optional interrupt for indicating End-of-conversion.
+ If not present, the driver loops for a while until the received status
+ byte indicates correct measurement.
maxItems: 1
reset-gpios:
@@ -65,6 +69,7 @@ properties:
1 - A, 10% to 90% of 2^24 (1677722 .. 15099494)
2 - B, 2.5% to 22.5% of 2^24 (419430 .. 3774874)
3 - C, 20% to 80% of 2^24 (3355443 .. 13421773)
+ enum: [1, 2, 3]
$ref: /schemas/types.yaml#/definitions/uint32
vdd-supply:
@@ -93,7 +98,7 @@ examples:
reg = <0x18>;
reset-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
interrupt-parent = <&gpio3>;
- interrupts = <21 IRQ_TYPE_EDGE_FALLING>;
+ interrupts = <21 IRQ_TYPE_EDGE_RISING>;
honeywell,pmin-pascal = <0>;
honeywell,pmax-pascal = <172369>;
honeywell,transfer-function = <1>;
--
GitLab
From 0181749d4e0e8f11403f9441b1aa1880f42c2226 Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Fri, 29 Dec 2023 11:24:30 +0200
Subject: [PATCH 0027/2686] dt-bindings: iio: pressure:
honeywell,mprls0025pa.yaml add pressure-triplet
Change order of properties in order for the end user to hopefully ignore
pmin-pascal and pmax-pascal which are superseded by pressure-triplet.
Add pressure-triplet property which automatically initializes
pmin-pascal and pmax-pascal inside the driver.
Rework honeywell,pmXX-pascal requirements based on feedback from
Jonathan and Conor.
Co-developed-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231229092445.30180-3-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../iio/pressure/honeywell,mprls0025pa.yaml | 64 +++++++++++++------
1 file changed, 46 insertions(+), 18 deletions(-)
diff --git a/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
index 84ced4e5a7da6..6643e51c481da 100644
--- a/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
+++ b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
@@ -19,14 +19,17 @@ description: |
calls them "mpr series". All of them have the identical programming model and
differ in the pressure range, unit and transfer function.
- To support different models one need to specify the pressure range as well as
- the transfer function. Pressure range needs to be converted from its unit to
- pascal.
+ To support different models one need to specify its pressure triplet as well
+ as the transfer function.
+
+ For custom silicon chips not covered by the Honeywell MPR series datasheet,
+ the pressure values can be specified manually via honeywell,pmin-pascal and
+ honeywell,pmax-pascal.
+ The minimal range value stands for the minimum pressure and the maximum value
+ also for the maximum pressure with linear relation inside the range.
The transfer function defines the ranges of numerical values delivered by the
- sensor. The minimal range value stands for the minimum pressure and the
- maximum value also for the maximum pressure with linear relation inside the
- range.
+ sensor.
Specifications about the devices can be found at:
https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/
@@ -54,14 +57,6 @@ properties:
If not present the device is not reset during the probe.
maxItems: 1
- honeywell,pmin-pascal:
- description:
- Minimum pressure value the sensor can measure in pascal.
-
- honeywell,pmax-pascal:
- description:
- Maximum pressure value the sensor can measure in pascal.
-
honeywell,transfer-function:
description: |
Transfer function which defines the range of valid values delivered by the
@@ -72,17 +67,50 @@ properties:
enum: [1, 2, 3]
$ref: /schemas/types.yaml#/definitions/uint32
+ honeywell,pressure-triplet:
+ description: |
+ Case-sensitive five character string that defines pressure range, unit
+ and type as part of the device nomenclature. In the unlikely case of a
+ custom chip, unset and provide pmin-pascal and pmax-pascal instead.
+ enum: [0001BA, 01.6BA, 02.5BA, 0060MG, 0100MG, 0160MG, 0250MG, 0400MG,
+ 0600MG, 0001BG, 01.6BG, 02.5BG, 0100KA, 0160KA, 0250KA, 0006KG,
+ 0010KG, 0016KG, 0025KG, 0040KG, 0060KG, 0100KG, 0160KG, 0250KG,
+ 0015PA, 0025PA, 0030PA, 0001PG, 0005PG, 0015PG, 0030PG, 0300YG]
+ $ref: /schemas/types.yaml#/definitions/string
+
+ honeywell,pmin-pascal:
+ description:
+ Minimum pressure value the sensor can measure in pascal.
+
+ honeywell,pmax-pascal:
+ description:
+ Maximum pressure value the sensor can measure in pascal.
+
vdd-supply:
description: provide VDD power to the sensor.
required:
- compatible
- reg
- - honeywell,pmin-pascal
- - honeywell,pmax-pascal
- honeywell,transfer-function
- vdd-supply
+oneOf:
+ - required:
+ - honeywell,pressure-triplet
+ - required:
+ - honeywell,pmin-pascal
+ - honeywell,pmax-pascal
+
+allOf:
+ - if:
+ required:
+ - honeywell,pressure-triplet
+ then:
+ properties:
+ honeywell,pmin-pascal: false
+ honeywell,pmax-pascal: false
+
additionalProperties: false
examples:
@@ -99,8 +127,8 @@ examples:
reset-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
interrupt-parent = <&gpio3>;
interrupts = <21 IRQ_TYPE_EDGE_RISING>;
- honeywell,pmin-pascal = <0>;
- honeywell,pmax-pascal = <172369>;
+
+ honeywell,pressure-triplet = "0025PA";
honeywell,transfer-function = <1>;
vdd-supply = <&vcc_3v3>;
};
--
GitLab
From f088491661012c444f8754d3c46a4aa780ff8ae4 Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Fri, 29 Dec 2023 11:24:31 +0200
Subject: [PATCH 0028/2686] dt-bindings: iio: pressure:
honeywell,mprls0025pa.yaml add spi bus
Add spi based example.
Add spi-max-frequency property required by chip specifications.
Add additional maintainer.
Co-developed-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231229092445.30180-4-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../iio/pressure/honeywell,mprls0025pa.yaml | 27 +++++++++++++++++--
1 file changed, 25 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
index 6643e51c481da..6994b30015bdb 100644
--- a/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
+++ b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
@@ -8,12 +8,12 @@ title: Honeywell mprls0025pa pressure sensor
maintainers:
- Andreas Klinger <ak@it-klinger.de>
+ - Petre Rodan <petre.rodan@subdimension.ro>
description: |
Honeywell pressure sensor of model mprls0025pa.
- This sensor has an I2C and SPI interface. Only the I2C interface is
- implemented.
+ This sensor has an I2C and SPI interface.
There are many models with different pressure ranges available. The vendor
calls them "mpr series". All of them have the identical programming model and
@@ -86,6 +86,9 @@ properties:
description:
Maximum pressure value the sensor can measure in pascal.
+ spi-max-frequency:
+ maximum: 800000
+
vdd-supply:
description: provide VDD power to the sensor.
@@ -103,6 +106,7 @@ oneOf:
- honeywell,pmax-pascal
allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml
- if:
required:
- honeywell,pressure-triplet
@@ -133,3 +137,22 @@ examples:
vdd-supply = <&vcc_3v3>;
};
};
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pressure@0 {
+ compatible = "honeywell,mprls0025pa";
+ reg = <0>;
+ spi-max-frequency = <800000>;
+ reset-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <30 IRQ_TYPE_EDGE_RISING>;
+
+ honeywell,pressure-triplet = "0015PA";
+ honeywell,transfer-function = <1>;
+ vdd-supply = <&vcc_3v3>;
+ };
+ };
+...
--
GitLab
From b327c72753d6a78de37aed6c35756f2ef62897ee Mon Sep 17 00:00:00 2001
From: Joakim Zhang <joakim.zhang@cixtech.com>
Date: Sun, 17 Dec 2023 13:36:59 +0800
Subject: [PATCH 0029/2686] remoteproc: virtio: Fix wdg cannot recovery remote
processor
Recovery remote processor failed when wdg irq received:
[ 0.842574] remoteproc remoteproc0: crash detected in cix-dsp-rproc: type watchdog
[ 0.842750] remoteproc remoteproc0: handling crash #1 in cix-dsp-rproc
[ 0.842824] remoteproc remoteproc0: recovering cix-dsp-rproc
[ 0.843342] remoteproc remoteproc0: stopped remote processor cix-dsp-rproc
[ 0.847901] rproc-virtio rproc-virtio.0.auto: Failed to associate buffer
[ 0.847979] remoteproc remoteproc0: failed to probe subdevices for cix-dsp-rproc: -16
The reason is that dma coherent mem would not be released when
recovering the remote processor, due to rproc_virtio_remove()
would not be called, where the mem released. It will fail when
it try to allocate and associate buffer again.
Releasing reserved memory from rproc_virtio_dev_release(), instead of
rproc_virtio_remove().
Fixes: 1d7b61c06dc3 ("remoteproc: virtio: Create platform device for the remoteproc_virtio")
Signed-off-by: Joakim Zhang <joakim.zhang@cixtech.com>
Acked-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20231217053659.3245745-1-joakim.zhang@cixtech.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/remoteproc_virtio.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/remoteproc/remoteproc_virtio.c b/drivers/remoteproc/remoteproc_virtio.c
index 83d76915a6ad6..25b66b113b695 100644
--- a/drivers/remoteproc/remoteproc_virtio.c
+++ b/drivers/remoteproc/remoteproc_virtio.c
@@ -351,6 +351,9 @@ static void rproc_virtio_dev_release(struct device *dev)
kfree(vdev);
+ of_reserved_mem_device_release(&rvdev->pdev->dev);
+ dma_release_coherent_memory(&rvdev->pdev->dev);
+
put_device(&rvdev->pdev->dev);
}
@@ -584,9 +587,6 @@ static void rproc_virtio_remove(struct platform_device *pdev)
rproc_remove_subdev(rproc, &rvdev->subdev);
rproc_remove_rvdev(rvdev);
- of_reserved_mem_device_release(&pdev->dev);
- dma_release_coherent_memory(&pdev->dev);
-
put_device(&rproc->dev);
}
--
GitLab
From acc48fee5e740d787edca168100b5284cae30c7b Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Sun, 14 Jan 2024 10:37:43 +0100
Subject: [PATCH 0030/2686] rpmsg: Remove usage of the deprecated
ida_simple_xx() API
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
Note that the upper limit of ida_simple_get() is exclusive, but the one of
ida_alloc_max() is inclusive. So a -1 has been added when needed.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/c09ee5b66d451bf97d14c167048549aa0824ee06.1705225049.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/rpmsg/rpmsg_char.c | 12 ++++++------
drivers/rpmsg/rpmsg_ctrl.c | 12 ++++++------
2 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c
index 09833ad05da75..1cb8d7474428a 100644
--- a/drivers/rpmsg/rpmsg_char.c
+++ b/drivers/rpmsg/rpmsg_char.c
@@ -399,8 +399,8 @@ static void rpmsg_eptdev_release_device(struct device *dev)
{
struct rpmsg_eptdev *eptdev = dev_to_eptdev(dev);
- ida_simple_remove(&rpmsg_ept_ida, dev->id);
- ida_simple_remove(&rpmsg_minor_ida, MINOR(eptdev->dev.devt));
+ ida_free(&rpmsg_ept_ida, dev->id);
+ ida_free(&rpmsg_minor_ida, MINOR(eptdev->dev.devt));
kfree(eptdev);
}
@@ -441,12 +441,12 @@ static int rpmsg_chrdev_eptdev_add(struct rpmsg_eptdev *eptdev, struct rpmsg_cha
eptdev->chinfo = chinfo;
- ret = ida_simple_get(&rpmsg_minor_ida, 0, RPMSG_DEV_MAX, GFP_KERNEL);
+ ret = ida_alloc_max(&rpmsg_minor_ida, RPMSG_DEV_MAX - 1, GFP_KERNEL);
if (ret < 0)
goto free_eptdev;
dev->devt = MKDEV(MAJOR(rpmsg_major), ret);
- ret = ida_simple_get(&rpmsg_ept_ida, 0, 0, GFP_KERNEL);
+ ret = ida_alloc(&rpmsg_ept_ida, GFP_KERNEL);
if (ret < 0)
goto free_minor_ida;
dev->id = ret;
@@ -462,9 +462,9 @@ static int rpmsg_chrdev_eptdev_add(struct rpmsg_eptdev *eptdev, struct rpmsg_cha
return ret;
free_ept_ida:
- ida_simple_remove(&rpmsg_ept_ida, dev->id);
+ ida_free(&rpmsg_ept_ida, dev->id);
free_minor_ida:
- ida_simple_remove(&rpmsg_minor_ida, MINOR(dev->devt));
+ ida_free(&rpmsg_minor_ida, MINOR(dev->devt));
free_eptdev:
put_device(dev);
kfree(eptdev);
diff --git a/drivers/rpmsg/rpmsg_ctrl.c b/drivers/rpmsg/rpmsg_ctrl.c
index 4332538356908..c312794ba4b3f 100644
--- a/drivers/rpmsg/rpmsg_ctrl.c
+++ b/drivers/rpmsg/rpmsg_ctrl.c
@@ -130,8 +130,8 @@ static void rpmsg_ctrldev_release_device(struct device *dev)
{
struct rpmsg_ctrldev *ctrldev = dev_to_ctrldev(dev);
- ida_simple_remove(&rpmsg_ctrl_ida, dev->id);
- ida_simple_remove(&rpmsg_minor_ida, MINOR(dev->devt));
+ ida_free(&rpmsg_ctrl_ida, dev->id);
+ ida_free(&rpmsg_minor_ida, MINOR(dev->devt));
kfree(ctrldev);
}
@@ -156,12 +156,12 @@ static int rpmsg_ctrldev_probe(struct rpmsg_device *rpdev)
cdev_init(&ctrldev->cdev, &rpmsg_ctrldev_fops);
ctrldev->cdev.owner = THIS_MODULE;
- ret = ida_simple_get(&rpmsg_minor_ida, 0, RPMSG_DEV_MAX, GFP_KERNEL);
+ ret = ida_alloc_max(&rpmsg_minor_ida, RPMSG_DEV_MAX - 1, GFP_KERNEL);
if (ret < 0)
goto free_ctrldev;
dev->devt = MKDEV(MAJOR(rpmsg_major), ret);
- ret = ida_simple_get(&rpmsg_ctrl_ida, 0, 0, GFP_KERNEL);
+ ret = ida_alloc(&rpmsg_ctrl_ida, GFP_KERNEL);
if (ret < 0)
goto free_minor_ida;
dev->id = ret;
@@ -179,9 +179,9 @@ static int rpmsg_ctrldev_probe(struct rpmsg_device *rpdev)
return ret;
free_ctrl_ida:
- ida_simple_remove(&rpmsg_ctrl_ida, dev->id);
+ ida_free(&rpmsg_ctrl_ida, dev->id);
free_minor_ida:
- ida_simple_remove(&rpmsg_minor_ida, MINOR(dev->devt));
+ ida_free(&rpmsg_minor_ida, MINOR(dev->devt));
free_ctrldev:
put_device(dev);
kfree(ctrldev);
--
GitLab
From df513ed49f0073ce1778eb469ab5db44bceade30 Mon Sep 17 00:00:00 2001
From: Heiko Stuebner <heiko.stuebner@vrull.eu>
Date: Sun, 21 Jan 2024 16:19:12 -0800
Subject: [PATCH 0031/2686] RISC-V: add helper function to read the vector VLEN
VLEN describes the length of each vector register and some instructions
need specific minimal VLENs to work correctly.
The vector code already includes a variable riscv_v_vsize that contains
the value of "32 vector registers with vlenb length" that gets filled
during boot. vlenb is the value contained in the CSR_VLENB register and
the value represents "VLEN / 8".
So add riscv_vector_vlen() to return the actual VLEN value for in-kernel
users when they need to check the available VLEN.
Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jerry Shih <jerry.shih@sifive.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240122002024.27477-2-ebiggers@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/vector.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/riscv/include/asm/vector.h b/arch/riscv/include/asm/vector.h
index 0cd6f0a027d1f..731dcd0ed4de9 100644
--- a/arch/riscv/include/asm/vector.h
+++ b/arch/riscv/include/asm/vector.h
@@ -284,4 +284,15 @@ static inline bool riscv_v_vstate_ctrl_user_allowed(void) { return false; }
#endif /* CONFIG_RISCV_ISA_V */
+/*
+ * Return the implementation's vlen value.
+ *
+ * riscv_v_vsize contains the value of "32 vector registers with vlenb length"
+ * so rebuild the vlen value in bits from it.
+ */
+static inline int riscv_vector_vlen(void)
+{
+ return riscv_v_vsize / 32 * 8;
+}
+
#endif /* ! __ASM_RISCV_VECTOR_H */
--
GitLab
From 34ca4ec628deb4f00da38c7d73486b8499e30dea Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers@google.com>
Date: Sun, 21 Jan 2024 16:19:13 -0800
Subject: [PATCH 0032/2686] RISC-V: add TOOLCHAIN_HAS_VECTOR_CRYPTO
Add a kconfig symbol that indicates whether the toolchain supports the
vector crypto extensions. This is needed by the RISC-V crypto code.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240122002024.27477-3-ebiggers@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/Kconfig | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index bffbd869a0682..5613b2bb686ec 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -578,6 +578,13 @@ config TOOLCHAIN_HAS_ZBB
depends on LLD_VERSION >= 150000 || LD_VERSION >= 23900
depends on AS_HAS_OPTION_ARCH
+# This symbol indicates that the toolchain supports all v1.0 vector crypto
+# extensions, including Zvk*, Zvbb, and Zvbc. LLVM added all of these at once.
+# binutils added all except Zvkb, then added Zvkb. So we just check for Zvkb.
+config TOOLCHAIN_HAS_VECTOR_CRYPTO
+ def_bool $(as-instr, .option arch$(comma) +zvkb)
+ depends on AS_HAS_OPTION_ARCH
+
config RISCV_ISA_ZBB
bool "Zbb extension support for bit manipulation instructions"
depends on TOOLCHAIN_HAS_ZBB
--
GitLab
From 178f3856436c748485cb7f8c134be2471f6d539f Mon Sep 17 00:00:00 2001
From: Heiko Stuebner <heiko.stuebner@vrull.eu>
Date: Sun, 21 Jan 2024 16:19:14 -0800
Subject: [PATCH 0033/2686] RISC-V: hook new crypto subdir into build-system
Create a crypto subdirectory for added accelerated cryptography routines
and hook it into the riscv Kbuild and the main crypto Kconfig.
Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jerry Shih <jerry.shih@sifive.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240122002024.27477-4-ebiggers@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/Kbuild | 1 +
arch/riscv/crypto/Kconfig | 5 +++++
arch/riscv/crypto/Makefile | 1 +
crypto/Kconfig | 3 +++
4 files changed, 10 insertions(+)
create mode 100644 arch/riscv/crypto/Kconfig
create mode 100644 arch/riscv/crypto/Makefile
diff --git a/arch/riscv/Kbuild b/arch/riscv/Kbuild
index d25ad1c19f881..2c585f7a0b6ef 100644
--- a/arch/riscv/Kbuild
+++ b/arch/riscv/Kbuild
@@ -2,6 +2,7 @@
obj-y += kernel/ mm/ net/
obj-$(CONFIG_BUILTIN_DTB) += boot/dts/
+obj-$(CONFIG_CRYPTO) += crypto/
obj-y += errata/
obj-$(CONFIG_KVM) += kvm/
diff --git a/arch/riscv/crypto/Kconfig b/arch/riscv/crypto/Kconfig
new file mode 100644
index 0000000000000..10d60edc0110a
--- /dev/null
+++ b/arch/riscv/crypto/Kconfig
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+
+menu "Accelerated Cryptographic Algorithms for CPU (riscv)"
+
+endmenu
diff --git a/arch/riscv/crypto/Makefile b/arch/riscv/crypto/Makefile
new file mode 100644
index 0000000000000..a4e40e534e6a8
--- /dev/null
+++ b/arch/riscv/crypto/Makefile
@@ -0,0 +1 @@
+# SPDX-License-Identifier: GPL-2.0-only
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 7d156c75f15f2..00e4aa16bf2bf 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1496,6 +1496,9 @@ endif
if PPC
source "arch/powerpc/crypto/Kconfig"
endif
+if RISCV
+source "arch/riscv/crypto/Kconfig"
+endif
if S390
source "arch/s390/crypto/Kconfig"
endif
--
GitLab
From eb24af5d7a05bbcdebb0398f91af990719644093 Mon Sep 17 00:00:00 2001
From: Jerry Shih <jerry.shih@sifive.com>
Date: Sun, 21 Jan 2024 16:19:15 -0800
Subject: [PATCH 0034/2686] crypto: riscv - add vector crypto accelerated
AES-{ECB,CBC,CTR,XTS}
Add implementations of AES-ECB, AES-CBC, AES-CTR, and AES-XTS, as well
as bare (single-block) AES, using the RISC-V vector crypto extensions.
The assembly code is derived from OpenSSL code (openssl/openssl#21923)
that was dual-licensed so that it could be reused in the kernel.
Nevertheless, the assembly has been significantly reworked for
integration with the kernel, for example by using regular .S files
instead of the so-called perlasm, using the assembler instead of bare
'.inst', greatly reducing code duplication, supporting AES-192, and
making the code use the same AES key structure as the C code.
Co-developed-by: Phoebe Chen <phoebe.chen@sifive.com>
Signed-off-by: Phoebe Chen <phoebe.chen@sifive.com>
Signed-off-by: Jerry Shih <jerry.shih@sifive.com>
Co-developed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240122002024.27477-5-ebiggers@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/crypto/Kconfig | 16 +
arch/riscv/crypto/Makefile | 4 +
arch/riscv/crypto/aes-macros.S | 156 +++++
arch/riscv/crypto/aes-riscv64-glue.c | 550 ++++++++++++++++++
.../crypto/aes-riscv64-zvkned-zvbb-zvkg.S | 312 ++++++++++
arch/riscv/crypto/aes-riscv64-zvkned-zvkb.S | 146 +++++
arch/riscv/crypto/aes-riscv64-zvkned.S | 180 ++++++
7 files changed, 1364 insertions(+)
create mode 100644 arch/riscv/crypto/aes-macros.S
create mode 100644 arch/riscv/crypto/aes-riscv64-glue.c
create mode 100644 arch/riscv/crypto/aes-riscv64-zvkned-zvbb-zvkg.S
create mode 100644 arch/riscv/crypto/aes-riscv64-zvkned-zvkb.S
create mode 100644 arch/riscv/crypto/aes-riscv64-zvkned.S
diff --git a/arch/riscv/crypto/Kconfig b/arch/riscv/crypto/Kconfig
index 10d60edc0110a..ebe805fa3f5f7 100644
--- a/arch/riscv/crypto/Kconfig
+++ b/arch/riscv/crypto/Kconfig
@@ -2,4 +2,20 @@
menu "Accelerated Cryptographic Algorithms for CPU (riscv)"
+config CRYPTO_AES_RISCV64
+ tristate "Ciphers: AES, modes: ECB, CBC, CTR, XTS"
+ depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
+ select CRYPTO_ALGAPI
+ select CRYPTO_LIB_AES
+ select CRYPTO_SKCIPHER
+ help
+ Block cipher: AES cipher algorithms
+ Length-preserving ciphers: AES with ECB, CBC, CTR, XTS
+
+ Architecture: riscv64 using:
+ - Zvkned vector crypto extension
+ - Zvbb vector extension (XTS)
+ - Zvkb vector crypto extension (CTR)
+ - Zvkg vector crypto extension (XTS)
+
endmenu
diff --git a/arch/riscv/crypto/Makefile b/arch/riscv/crypto/Makefile
index a4e40e534e6a8..44922df7d182f 100644
--- a/arch/riscv/crypto/Makefile
+++ b/arch/riscv/crypto/Makefile
@@ -1 +1,5 @@
# SPDX-License-Identifier: GPL-2.0-only
+
+obj-$(CONFIG_CRYPTO_AES_RISCV64) += aes-riscv64.o
+aes-riscv64-y := aes-riscv64-glue.o aes-riscv64-zvkned.o \
+ aes-riscv64-zvkned-zvbb-zvkg.o aes-riscv64-zvkned-zvkb.o
diff --git a/arch/riscv/crypto/aes-macros.S b/arch/riscv/crypto/aes-macros.S
new file mode 100644
index 0000000000000..d1a258d04bc73
--- /dev/null
+++ b/arch/riscv/crypto/aes-macros.S
@@ -0,0 +1,156 @@
+/* SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause */
+//
+// This file is dual-licensed, meaning that you can use it under your
+// choice of either of the following two licenses:
+//
+// Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
+//
+// Licensed under the Apache License 2.0 (the "License"). You can obtain
+// a copy in the file LICENSE in the source distribution or at
+// https://www.openssl.org/source/license.html
+//
+// or
+//
+// Copyright (c) 2023, Christoph Müllner <christoph.muellner@vrull.eu>
+// Copyright (c) 2023, Phoebe Chen <phoebe.chen@sifive.com>
+// Copyright (c) 2023, Jerry Shih <jerry.shih@sifive.com>
+// Copyright 2024 Google LLC
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This file contains macros that are shared by the other aes-*.S files. The
+// generated code of these macros depends on the following RISC-V extensions:
+// - RV64I
+// - RISC-V Vector ('V') with VLEN >= 128
+// - RISC-V Vector AES block cipher extension ('Zvkned')
+
+// Loads the AES round keys from \keyp into vector registers and jumps to code
+// specific to the length of the key. Specifically:
+// - If AES-128, loads round keys into v1-v11 and jumps to \label128.
+// - If AES-192, loads round keys into v1-v13 and jumps to \label192.
+// - If AES-256, loads round keys into v1-v15 and continues onwards.
+//
+// Also sets vl=4 and vtype=e32,m1,ta,ma. Clobbers t0 and t1.
+.macro aes_begin keyp, label128, label192
+ lwu t0, 480(\keyp) // t0 = key length in bytes
+ li t1, 24 // t1 = key length for AES-192
+ vsetivli zero, 4, e32, m1, ta, ma
+ vle32.v v1, (\keyp)
+ addi \keyp, \keyp, 16
+ vle32.v v2, (\keyp)
+ addi \keyp, \keyp, 16
+ vle32.v v3, (\keyp)
+ addi \keyp, \keyp, 16
+ vle32.v v4, (\keyp)
+ addi \keyp, \keyp, 16
+ vle32.v v5, (\keyp)
+ addi \keyp, \keyp, 16
+ vle32.v v6, (\keyp)
+ addi \keyp, \keyp, 16
+ vle32.v v7, (\keyp)
+ addi \keyp, \keyp, 16
+ vle32.v v8, (\keyp)
+ addi \keyp, \keyp, 16
+ vle32.v v9, (\keyp)
+ addi \keyp, \keyp, 16
+ vle32.v v10, (\keyp)
+ addi \keyp, \keyp, 16
+ vle32.v v11, (\keyp)
+ blt t0, t1, \label128 // If AES-128, goto label128.
+ addi \keyp, \keyp, 16
+ vle32.v v12, (\keyp)
+ addi \keyp, \keyp, 16
+ vle32.v v13, (\keyp)
+ beq t0, t1, \label192 // If AES-192, goto label192.
+ // Else, it's AES-256.
+ addi \keyp, \keyp, 16
+ vle32.v v14, (\keyp)
+ addi \keyp, \keyp, 16
+ vle32.v v15, (\keyp)
+.endm
+
+// Encrypts \data using zvkned instructions, using the round keys loaded into
+// v1-v11 (for AES-128), v1-v13 (for AES-192), or v1-v15 (for AES-256). \keylen
+// is the AES key length in bits. vl and vtype must already be set
+// appropriately. Note that if vl > 4, multiple blocks are encrypted.
+.macro aes_encrypt data, keylen
+ vaesz.vs \data, v1
+ vaesem.vs \data, v2
+ vaesem.vs \data, v3
+ vaesem.vs \data, v4
+ vaesem.vs \data, v5
+ vaesem.vs \data, v6
+ vaesem.vs \data, v7
+ vaesem.vs \data, v8
+ vaesem.vs \data, v9
+ vaesem.vs \data, v10
+.if \keylen == 128
+ vaesef.vs \data, v11
+.elseif \keylen == 192
+ vaesem.vs \data, v11
+ vaesem.vs \data, v12
+ vaesef.vs \data, v13
+.else
+ vaesem.vs \data, v11
+ vaesem.vs \data, v12
+ vaesem.vs \data, v13
+ vaesem.vs \data, v14
+ vaesef.vs \data, v15
+.endif
+.endm
+
+// Same as aes_encrypt, but decrypts instead of encrypts.
+.macro aes_decrypt data, keylen
+.if \keylen == 128
+ vaesz.vs \data, v11
+.elseif \keylen == 192
+ vaesz.vs \data, v13
+ vaesdm.vs \data, v12
+ vaesdm.vs \data, v11
+.else
+ vaesz.vs \data, v15
+ vaesdm.vs \data, v14
+ vaesdm.vs \data, v13
+ vaesdm.vs \data, v12
+ vaesdm.vs \data, v11
+.endif
+ vaesdm.vs \data, v10
+ vaesdm.vs \data, v9
+ vaesdm.vs \data, v8
+ vaesdm.vs \data, v7
+ vaesdm.vs \data, v6
+ vaesdm.vs \data, v5
+ vaesdm.vs \data, v4
+ vaesdm.vs \data, v3
+ vaesdm.vs \data, v2
+ vaesdf.vs \data, v1
+.endm
+
+// Expands to aes_encrypt or aes_decrypt according to \enc, which is 1 or 0.
+.macro aes_crypt data, enc, keylen
+.if \enc
+ aes_encrypt \data, \keylen
+.else
+ aes_decrypt \data, \keylen
+.endif
+.endm
diff --git a/arch/riscv/crypto/aes-riscv64-glue.c b/arch/riscv/crypto/aes-riscv64-glue.c
new file mode 100644
index 0000000000000..37bc6ef0be40e
--- /dev/null
+++ b/arch/riscv/crypto/aes-riscv64-glue.c
@@ -0,0 +1,550 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * AES using the RISC-V vector crypto extensions. Includes the bare block
+ * cipher and the ECB, CBC, CTR, and XTS modes.
+ *
+ * Copyright (C) 2023 VRULL GmbH
+ * Author: Heiko Stuebner <heiko.stuebner@vrull.eu>
+ *
+ * Copyright (C) 2023 SiFive, Inc.
+ * Author: Jerry Shih <jerry.shih@sifive.com>
+ */
+
+#include <asm/simd.h>
+#include <asm/vector.h>
+#include <crypto/aes.h>
+#include <crypto/internal/cipher.h>
+#include <crypto/internal/simd.h>
+#include <crypto/internal/skcipher.h>
+#include <crypto/scatterwalk.h>
+#include <crypto/xts.h>
+#include <linux/linkage.h>
+#include <linux/module.h>
+
+asmlinkage void aes_encrypt_zvkned(const struct crypto_aes_ctx *key,
+ const u8 in[AES_BLOCK_SIZE],
+ u8 out[AES_BLOCK_SIZE]);
+asmlinkage void aes_decrypt_zvkned(const struct crypto_aes_ctx *key,
+ const u8 in[AES_BLOCK_SIZE],
+ u8 out[AES_BLOCK_SIZE]);
+
+asmlinkage void aes_ecb_encrypt_zvkned(const struct crypto_aes_ctx *key,
+ const u8 *in, u8 *out, size_t len);
+asmlinkage void aes_ecb_decrypt_zvkned(const struct crypto_aes_ctx *key,
+ const u8 *in, u8 *out, size_t len);
+
+asmlinkage void aes_cbc_encrypt_zvkned(const struct crypto_aes_ctx *key,
+ const u8 *in, u8 *out, size_t len,
+ u8 iv[AES_BLOCK_SIZE]);
+asmlinkage void aes_cbc_decrypt_zvkned(const struct crypto_aes_ctx *key,
+ const u8 *in, u8 *out, size_t len,
+ u8 iv[AES_BLOCK_SIZE]);
+
+asmlinkage void aes_ctr32_crypt_zvkned_zvkb(const struct crypto_aes_ctx *key,
+ const u8 *in, u8 *out, size_t len,
+ u8 iv[AES_BLOCK_SIZE]);
+
+asmlinkage void aes_xts_encrypt_zvkned_zvbb_zvkg(
+ const struct crypto_aes_ctx *key,
+ const u8 *in, u8 *out, size_t len,
+ u8 tweak[AES_BLOCK_SIZE]);
+
+asmlinkage void aes_xts_decrypt_zvkned_zvbb_zvkg(
+ const struct crypto_aes_ctx *key,
+ const u8 *in, u8 *out, size_t len,
+ u8 tweak[AES_BLOCK_SIZE]);
+
+static int riscv64_aes_setkey(struct crypto_aes_ctx *ctx,
+ const u8 *key, unsigned int keylen)
+{
+ /*
+ * For now we just use the generic key expansion, for these reasons:
+ *
+ * - zvkned's key expansion instructions don't support AES-192.
+ * So, non-zvkned fallback code would be needed anyway.
+ *
+ * - Users of AES in Linux usually don't change keys frequently.
+ * So, key expansion isn't performance-critical.
+ *
+ * - For single-block AES exposed as a "cipher" algorithm, it's
+ * necessary to use struct crypto_aes_ctx and initialize its 'key_dec'
+ * field with the round keys for the Equivalent Inverse Cipher. This
+ * is because with "cipher", decryption can be requested from a
+ * context where the vector unit isn't usable, necessitating a
+ * fallback to aes_decrypt(). But, zvkned can only generate and use
+ * the normal round keys. Of course, it's preferable to not have
+ * special code just for "cipher", as e.g. XTS also uses a
+ * single-block AES encryption. It's simplest to just use
+ * struct crypto_aes_ctx and aes_expandkey() everywhere.
+ */
+ return aes_expandkey(ctx, key, keylen);
+}
+
+static int riscv64_aes_setkey_cipher(struct crypto_tfm *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ struct crypto_aes_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ return riscv64_aes_setkey(ctx, key, keylen);
+}
+
+static int riscv64_aes_setkey_skcipher(struct crypto_skcipher *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
+
+ return riscv64_aes_setkey(ctx, key, keylen);
+}
+
+/* Bare AES, without a mode of operation */
+
+static void riscv64_aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+ const struct crypto_aes_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ if (crypto_simd_usable()) {
+ kernel_vector_begin();
+ aes_encrypt_zvkned(ctx, src, dst);
+ kernel_vector_end();
+ } else {
+ aes_encrypt(ctx, dst, src);
+ }
+}
+
+static void riscv64_aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+ const struct crypto_aes_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ if (crypto_simd_usable()) {
+ kernel_vector_begin();
+ aes_decrypt_zvkned(ctx, src, dst);
+ kernel_vector_end();
+ } else {
+ aes_decrypt(ctx, dst, src);
+ }
+}
+
+/* AES-ECB */
+
+static inline int riscv64_aes_ecb_crypt(struct skcipher_request *req, bool enc)
+{
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ const struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
+ struct skcipher_walk walk;
+ unsigned int nbytes;
+ int err;
+
+ err = skcipher_walk_virt(&walk, req, false);
+ while ((nbytes = walk.nbytes) != 0) {
+ kernel_vector_begin();
+ if (enc)
+ aes_ecb_encrypt_zvkned(ctx, walk.src.virt.addr,
+ walk.dst.virt.addr,
+ nbytes & ~(AES_BLOCK_SIZE - 1));
+ else
+ aes_ecb_decrypt_zvkned(ctx, walk.src.virt.addr,
+ walk.dst.virt.addr,
+ nbytes & ~(AES_BLOCK_SIZE - 1));
+ kernel_vector_end();
+ err = skcipher_walk_done(&walk, nbytes & (AES_BLOCK_SIZE - 1));
+ }
+
+ return err;
+}
+
+static int riscv64_aes_ecb_encrypt(struct skcipher_request *req)
+{
+ return riscv64_aes_ecb_crypt(req, true);
+}
+
+static int riscv64_aes_ecb_decrypt(struct skcipher_request *req)
+{
+ return riscv64_aes_ecb_crypt(req, false);
+}
+
+/* AES-CBC */
+
+static inline int riscv64_aes_cbc_crypt(struct skcipher_request *req, bool enc)
+{
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ const struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
+ struct skcipher_walk walk;
+ unsigned int nbytes;
+ int err;
+
+ err = skcipher_walk_virt(&walk, req, false);
+ while ((nbytes = walk.nbytes) != 0) {
+ kernel_vector_begin();
+ if (enc)
+ aes_cbc_encrypt_zvkned(ctx, walk.src.virt.addr,
+ walk.dst.virt.addr,
+ nbytes & ~(AES_BLOCK_SIZE - 1),
+ walk.iv);
+ else
+ aes_cbc_decrypt_zvkned(ctx, walk.src.virt.addr,
+ walk.dst.virt.addr,
+ nbytes & ~(AES_BLOCK_SIZE - 1),
+ walk.iv);
+ kernel_vector_end();
+ err = skcipher_walk_done(&walk, nbytes & (AES_BLOCK_SIZE - 1));
+ }
+
+ return err;
+}
+
+static int riscv64_aes_cbc_encrypt(struct skcipher_request *req)
+{
+ return riscv64_aes_cbc_crypt(req, true);
+}
+
+static int riscv64_aes_cbc_decrypt(struct skcipher_request *req)
+{
+ return riscv64_aes_cbc_crypt(req, false);
+}
+
+/* AES-CTR */
+
+static int riscv64_aes_ctr_crypt(struct skcipher_request *req)
+{
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ const struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
+ unsigned int nbytes, p1_nbytes;
+ struct skcipher_walk walk;
+ u32 ctr32, nblocks;
+ int err;
+
+ /* Get the low 32-bit word of the 128-bit big endian counter. */
+ ctr32 = get_unaligned_be32(req->iv + 12);
+
+ err = skcipher_walk_virt(&walk, req, false);
+ while ((nbytes = walk.nbytes) != 0) {
+ if (nbytes < walk.total) {
+ /* Not the end yet, so keep the length block-aligned. */
+ nbytes = round_down(nbytes, AES_BLOCK_SIZE);
+ nblocks = nbytes / AES_BLOCK_SIZE;
+ } else {
+ /* It's the end, so include any final partial block. */
+ nblocks = DIV_ROUND_UP(nbytes, AES_BLOCK_SIZE);
+ }
+ ctr32 += nblocks;
+
+ kernel_vector_begin();
+ if (ctr32 >= nblocks) {
+ /* The low 32-bit word of the counter won't overflow. */
+ aes_ctr32_crypt_zvkned_zvkb(ctx, walk.src.virt.addr,
+ walk.dst.virt.addr, nbytes,
+ req->iv);
+ } else {
+ /*
+ * The low 32-bit word of the counter will overflow.
+ * The assembly doesn't handle this case, so split the
+ * operation into two at the point where the overflow
+ * will occur. After the first part, add the carry bit.
+ */
+ p1_nbytes = min_t(unsigned int, nbytes,
+ (nblocks - ctr32) * AES_BLOCK_SIZE);
+ aes_ctr32_crypt_zvkned_zvkb(ctx, walk.src.virt.addr,
+ walk.dst.virt.addr,
+ p1_nbytes, req->iv);
+ crypto_inc(req->iv, 12);
+
+ if (ctr32) {
+ aes_ctr32_crypt_zvkned_zvkb(
+ ctx,
+ walk.src.virt.addr + p1_nbytes,
+ walk.dst.virt.addr + p1_nbytes,
+ nbytes - p1_nbytes, req->iv);
+ }
+ }
+ kernel_vector_end();
+
+ err = skcipher_walk_done(&walk, walk.nbytes - nbytes);
+ }
+
+ return err;
+}
+
+/* AES-XTS */
+
+struct riscv64_aes_xts_ctx {
+ struct crypto_aes_ctx ctx1;
+ struct crypto_aes_ctx ctx2;
+};
+
+static int riscv64_aes_xts_setkey(struct crypto_skcipher *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ struct riscv64_aes_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
+
+ return xts_verify_key(tfm, key, keylen) ?:
+ riscv64_aes_setkey(&ctx->ctx1, key, keylen / 2) ?:
+ riscv64_aes_setkey(&ctx->ctx2, key + keylen / 2, keylen / 2);
+}
+
+static int riscv64_aes_xts_crypt(struct skcipher_request *req, bool enc)
+{
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ const struct riscv64_aes_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
+ int tail = req->cryptlen % AES_BLOCK_SIZE;
+ struct scatterlist sg_src[2], sg_dst[2];
+ struct skcipher_request subreq;
+ struct scatterlist *src, *dst;
+ struct skcipher_walk walk;
+ int err;
+
+ if (req->cryptlen < AES_BLOCK_SIZE)
+ return -EINVAL;
+
+ /* Encrypt the IV with the tweak key to get the first tweak. */
+ kernel_vector_begin();
+ aes_encrypt_zvkned(&ctx->ctx2, req->iv, req->iv);
+ kernel_vector_end();
+
+ err = skcipher_walk_virt(&walk, req, false);
+
+ /*
+ * If the message length isn't divisible by the AES block size and the
+ * full message isn't available in one step of the scatterlist walk,
+ * then separate off the last full block and the partial block. This
+ * ensures that they are processed in the same call to the assembly
+ * function, which is required for ciphertext stealing.
+ */
+ if (unlikely(tail > 0 && walk.nbytes < walk.total)) {
+ skcipher_walk_abort(&walk);
+
+ skcipher_request_set_tfm(&subreq, tfm);
+ skcipher_request_set_callback(&subreq,
+ skcipher_request_flags(req),
+ NULL, NULL);
+ skcipher_request_set_crypt(&subreq, req->src, req->dst,
+ req->cryptlen - tail - AES_BLOCK_SIZE,
+ req->iv);
+ req = &subreq;
+ err = skcipher_walk_virt(&walk, req, false);
+ } else {
+ tail = 0;
+ }
+
+ while (walk.nbytes) {
+ unsigned int nbytes = walk.nbytes;
+
+ if (nbytes < walk.total)
+ nbytes = round_down(nbytes, AES_BLOCK_SIZE);
+
+ kernel_vector_begin();
+ if (enc)
+ aes_xts_encrypt_zvkned_zvbb_zvkg(
+ &ctx->ctx1, walk.src.virt.addr,
+ walk.dst.virt.addr, nbytes, req->iv);
+ else
+ aes_xts_decrypt_zvkned_zvbb_zvkg(
+ &ctx->ctx1, walk.src.virt.addr,
+ walk.dst.virt.addr, nbytes, req->iv);
+ kernel_vector_end();
+ err = skcipher_walk_done(&walk, walk.nbytes - nbytes);
+ }
+
+ if (err || likely(!tail))
+ return err;
+
+ /* Do ciphertext stealing with the last full block and partial block. */
+
+ dst = src = scatterwalk_ffwd(sg_src, req->src, req->cryptlen);
+ if (req->dst != req->src)
+ dst = scatterwalk_ffwd(sg_dst, req->dst, req->cryptlen);
+
+ skcipher_request_set_crypt(req, src, dst, AES_BLOCK_SIZE + tail,
+ req->iv);
+
+ err = skcipher_walk_virt(&walk, req, false);
+ if (err)
+ return err;
+
+ kernel_vector_begin();
+ if (enc)
+ aes_xts_encrypt_zvkned_zvbb_zvkg(
+ &ctx->ctx1, walk.src.virt.addr,
+ walk.dst.virt.addr, walk.nbytes, req->iv);
+ else
+ aes_xts_decrypt_zvkned_zvbb_zvkg(
+ &ctx->ctx1, walk.src.virt.addr,
+ walk.dst.virt.addr, walk.nbytes, req->iv);
+ kernel_vector_end();
+
+ return skcipher_walk_done(&walk, 0);
+}
+
+static int riscv64_aes_xts_encrypt(struct skcipher_request *req)
+{
+ return riscv64_aes_xts_crypt(req, true);
+}
+
+static int riscv64_aes_xts_decrypt(struct skcipher_request *req)
+{
+ return riscv64_aes_xts_crypt(req, false);
+}
+
+/* Algorithm definitions */
+
+static struct crypto_alg riscv64_zvkned_aes_cipher_alg = {
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypto_aes_ctx),
+ .cra_priority = 300,
+ .cra_name = "aes",
+ .cra_driver_name = "aes-riscv64-zvkned",
+ .cra_cipher = {
+ .cia_min_keysize = AES_MIN_KEY_SIZE,
+ .cia_max_keysize = AES_MAX_KEY_SIZE,
+ .cia_setkey = riscv64_aes_setkey_cipher,
+ .cia_encrypt = riscv64_aes_encrypt,
+ .cia_decrypt = riscv64_aes_decrypt,
+ },
+ .cra_module = THIS_MODULE,
+};
+
+static struct skcipher_alg riscv64_zvkned_aes_skcipher_algs[] = {
+ {
+ .setkey = riscv64_aes_setkey_skcipher,
+ .encrypt = riscv64_aes_ecb_encrypt,
+ .decrypt = riscv64_aes_ecb_decrypt,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .walksize = 8 * AES_BLOCK_SIZE, /* matches LMUL=8 */
+ .base = {
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypto_aes_ctx),
+ .cra_priority = 300,
+ .cra_name = "ecb(aes)",
+ .cra_driver_name = "ecb-aes-riscv64-zvkned",
+ .cra_module = THIS_MODULE,
+ },
+ }, {
+ .setkey = riscv64_aes_setkey_skcipher,
+ .encrypt = riscv64_aes_cbc_encrypt,
+ .decrypt = riscv64_aes_cbc_decrypt,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .base = {
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypto_aes_ctx),
+ .cra_priority = 300,
+ .cra_name = "cbc(aes)",
+ .cra_driver_name = "cbc-aes-riscv64-zvkned",
+ .cra_module = THIS_MODULE,
+ },
+ }
+};
+
+static struct skcipher_alg riscv64_zvkned_zvkb_aes_skcipher_alg = {
+ .setkey = riscv64_aes_setkey_skcipher,
+ .encrypt = riscv64_aes_ctr_crypt,
+ .decrypt = riscv64_aes_ctr_crypt,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .chunksize = AES_BLOCK_SIZE,
+ .walksize = 4 * AES_BLOCK_SIZE, /* matches LMUL=4 */
+ .base = {
+ .cra_blocksize = 1,
+ .cra_ctxsize = sizeof(struct crypto_aes_ctx),
+ .cra_priority = 300,
+ .cra_name = "ctr(aes)",
+ .cra_driver_name = "ctr-aes-riscv64-zvkned-zvkb",
+ .cra_module = THIS_MODULE,
+ },
+};
+
+static struct skcipher_alg riscv64_zvkned_zvbb_zvkg_aes_skcipher_alg = {
+ .setkey = riscv64_aes_xts_setkey,
+ .encrypt = riscv64_aes_xts_encrypt,
+ .decrypt = riscv64_aes_xts_decrypt,
+ .min_keysize = 2 * AES_MIN_KEY_SIZE,
+ .max_keysize = 2 * AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .chunksize = AES_BLOCK_SIZE,
+ .walksize = 4 * AES_BLOCK_SIZE, /* matches LMUL=4 */
+ .base = {
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct riscv64_aes_xts_ctx),
+ .cra_priority = 300,
+ .cra_name = "xts(aes)",
+ .cra_driver_name = "xts-aes-riscv64-zvkned-zvbb-zvkg",
+ .cra_module = THIS_MODULE,
+ },
+};
+
+static inline bool riscv64_aes_xts_supported(void)
+{
+ return riscv_isa_extension_available(NULL, ZVBB) &&
+ riscv_isa_extension_available(NULL, ZVKG) &&
+ riscv_vector_vlen() < 2048 /* Implementation limitation */;
+}
+
+static int __init riscv64_aes_mod_init(void)
+{
+ int err = -ENODEV;
+
+ if (riscv_isa_extension_available(NULL, ZVKNED) &&
+ riscv_vector_vlen() >= 128) {
+ err = crypto_register_alg(&riscv64_zvkned_aes_cipher_alg);
+ if (err)
+ return err;
+
+ err = crypto_register_skciphers(
+ riscv64_zvkned_aes_skcipher_algs,
+ ARRAY_SIZE(riscv64_zvkned_aes_skcipher_algs));
+ if (err)
+ goto unregister_zvkned_cipher_alg;
+
+ if (riscv_isa_extension_available(NULL, ZVKB)) {
+ err = crypto_register_skcipher(
+ &riscv64_zvkned_zvkb_aes_skcipher_alg);
+ if (err)
+ goto unregister_zvkned_skcipher_algs;
+ }
+
+ if (riscv64_aes_xts_supported()) {
+ err = crypto_register_skcipher(
+ &riscv64_zvkned_zvbb_zvkg_aes_skcipher_alg);
+ if (err)
+ goto unregister_zvkned_zvkb_skcipher_alg;
+ }
+ }
+
+ return err;
+
+unregister_zvkned_zvkb_skcipher_alg:
+ if (riscv_isa_extension_available(NULL, ZVKB))
+ crypto_unregister_skcipher(&riscv64_zvkned_zvkb_aes_skcipher_alg);
+unregister_zvkned_skcipher_algs:
+ crypto_unregister_skciphers(riscv64_zvkned_aes_skcipher_algs,
+ ARRAY_SIZE(riscv64_zvkned_aes_skcipher_algs));
+unregister_zvkned_cipher_alg:
+ crypto_unregister_alg(&riscv64_zvkned_aes_cipher_alg);
+ return err;
+}
+
+static void __exit riscv64_aes_mod_exit(void)
+{
+ if (riscv64_aes_xts_supported())
+ crypto_unregister_skcipher(&riscv64_zvkned_zvbb_zvkg_aes_skcipher_alg);
+ if (riscv_isa_extension_available(NULL, ZVKB))
+ crypto_unregister_skcipher(&riscv64_zvkned_zvkb_aes_skcipher_alg);
+ crypto_unregister_skciphers(riscv64_zvkned_aes_skcipher_algs,
+ ARRAY_SIZE(riscv64_zvkned_aes_skcipher_algs));
+ crypto_unregister_alg(&riscv64_zvkned_aes_cipher_alg);
+}
+
+module_init(riscv64_aes_mod_init);
+module_exit(riscv64_aes_mod_exit);
+
+MODULE_DESCRIPTION("AES-ECB/CBC/CTR/XTS (RISC-V accelerated)");
+MODULE_AUTHOR("Jerry Shih <jerry.shih@sifive.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_CRYPTO("aes");
+MODULE_ALIAS_CRYPTO("ecb(aes)");
+MODULE_ALIAS_CRYPTO("cbc(aes)");
+MODULE_ALIAS_CRYPTO("ctr(aes)");
+MODULE_ALIAS_CRYPTO("xts(aes)");
diff --git a/arch/riscv/crypto/aes-riscv64-zvkned-zvbb-zvkg.S b/arch/riscv/crypto/aes-riscv64-zvkned-zvbb-zvkg.S
new file mode 100644
index 0000000000000..146fc9cfb268d
--- /dev/null
+++ b/arch/riscv/crypto/aes-riscv64-zvkned-zvbb-zvkg.S
@@ -0,0 +1,312 @@
+/* SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause */
+//
+// This file is dual-licensed, meaning that you can use it under your
+// choice of either of the following two licenses:
+//
+// Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
+//
+// Licensed under the Apache License 2.0 (the "License"). You can obtain
+// a copy in the file LICENSE in the source distribution or at
+// https://www.openssl.org/source/license.html
+//
+// or
+//
+// Copyright (c) 2023, Jerry Shih <jerry.shih@sifive.com>
+// Copyright 2024 Google LLC
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// The generated code of this file depends on the following RISC-V extensions:
+// - RV64I
+// - RISC-V Vector ('V') with VLEN >= 128 && VLEN < 2048
+// - RISC-V Vector AES block cipher extension ('Zvkned')
+// - RISC-V Vector Bit-manipulation extension ('Zvbb')
+// - RISC-V Vector GCM/GMAC extension ('Zvkg')
+
+#include <linux/linkage.h>
+
+.text
+.option arch, +zvkned, +zvbb, +zvkg
+
+#include "aes-macros.S"
+
+#define KEYP a0
+#define INP a1
+#define OUTP a2
+#define LEN a3
+#define TWEAKP a4
+
+#define LEN32 a5
+#define TAIL_LEN a6
+#define VL a7
+#define VLMAX t4
+
+// v1-v15 contain the AES round keys, but they are used for temporaries before
+// the AES round keys have been loaded.
+#define TWEAKS v16 // LMUL=4 (most of the time)
+#define TWEAKS_BREV v20 // LMUL=4 (most of the time)
+#define MULTS_BREV v24 // LMUL=4 (most of the time)
+#define TMP0 v28
+#define TMP1 v29
+#define TMP2 v30
+#define TMP3 v31
+
+// xts_init initializes the following values:
+//
+// TWEAKS: N 128-bit tweaks T*(x^i) for i in 0..(N - 1)
+// TWEAKS_BREV: same as TWEAKS, but bit-reversed
+// MULTS_BREV: N 128-bit values x^N, bit-reversed. Only if N > 1.
+//
+// N is the maximum number of blocks that will be processed per loop iteration,
+// computed using vsetvli.
+//
+// The field convention used by XTS is the same as that of GHASH, but with the
+// bits reversed within each byte. The zvkg extension provides the vgmul
+// instruction which does multiplication in this field. Therefore, for tweak
+// computation we use vgmul to do multiplications in parallel, instead of
+// serially multiplying by x using shifting+xoring. Note that for this to work,
+// the inputs and outputs to vgmul must be bit-reversed (we do it with vbrev8).
+.macro xts_init
+
+ // Load the first tweak T.
+ vsetivli zero, 4, e32, m1, ta, ma
+ vle32.v TWEAKS, (TWEAKP)
+
+ // If there's only one block (or no blocks at all), then skip the tweak
+ // sequence computation because (at most) T itself is needed.
+ li t0, 16
+ ble LEN, t0, .Linit_single_block\@
+
+ // Save a copy of T bit-reversed in v12.
+ vbrev8.v v12, TWEAKS
+
+ //
+ // Generate x^i for i in 0..(N - 1), i.e. 128-bit values 1 << i assuming
+ // that N <= 128. Though, this code actually requires N < 64 (or
+ // equivalently VLEN < 2048) due to the use of 64-bit intermediate
+ // values here and in the x^N computation later.
+ //
+ vsetvli VL, LEN32, e32, m4, ta, ma
+ srli t0, VL, 2 // t0 = N (num blocks)
+ // Generate two sequences, each with N 32-bit values:
+ // v0=[1, 1, 1, ...] and v1=[0, 1, 2, ...].
+ vsetvli zero, t0, e32, m1, ta, ma
+ vmv.v.i v0, 1
+ vid.v v1
+ // Use vzext to zero-extend the sequences to 64 bits. Reinterpret them
+ // as two sequences, each with 2*N 32-bit values:
+ // v2=[1, 0, 1, 0, 1, 0, ...] and v4=[0, 0, 1, 0, 2, 0, ...].
+ vsetvli zero, t0, e64, m2, ta, ma
+ vzext.vf2 v2, v0
+ vzext.vf2 v4, v1
+ slli t1, t0, 1 // t1 = 2*N
+ vsetvli zero, t1, e32, m2, ta, ma
+ // Use vwsll to compute [1<<0, 0<<0, 1<<1, 0<<0, 1<<2, 0<<0, ...],
+ // widening to 64 bits per element. When reinterpreted as N 128-bit
+ // values, this is the needed sequence of 128-bit values 1 << i (x^i).
+ vwsll.vv v8, v2, v4
+
+ // Copy the bit-reversed T to all N elements of TWEAKS_BREV, then
+ // multiply by x^i. This gives the sequence T*(x^i), bit-reversed.
+ vsetvli zero, LEN32, e32, m4, ta, ma
+ vmv.v.i TWEAKS_BREV, 0
+ vaesz.vs TWEAKS_BREV, v12
+ vbrev8.v v8, v8
+ vgmul.vv TWEAKS_BREV, v8
+
+ // Save a copy of the sequence T*(x^i) with the bit reversal undone.
+ vbrev8.v TWEAKS, TWEAKS_BREV
+
+ // Generate N copies of x^N, i.e. 128-bit values 1 << N, bit-reversed.
+ li t1, 1
+ sll t1, t1, t0 // t1 = 1 << N
+ vsetivli zero, 2, e64, m1, ta, ma
+ vmv.v.i v0, 0
+ vsetivli zero, 1, e64, m1, tu, ma
+ vmv.v.x v0, t1
+ vbrev8.v v0, v0
+ vsetvli zero, LEN32, e32, m4, ta, ma
+ vmv.v.i MULTS_BREV, 0
+ vaesz.vs MULTS_BREV, v0
+
+ j .Linit_done\@
+
+.Linit_single_block\@:
+ vbrev8.v TWEAKS_BREV, TWEAKS
+.Linit_done\@:
+.endm
+
+// Set the first 128 bits of MULTS_BREV to 0x40, i.e. 'x' bit-reversed. This is
+// the multiplier required to advance the tweak by one.
+.macro load_x
+ li t0, 0x40
+ vsetivli zero, 4, e32, m1, ta, ma
+ vmv.v.i MULTS_BREV, 0
+ vsetivli zero, 1, e8, m1, tu, ma
+ vmv.v.x MULTS_BREV, t0
+.endm
+
+.macro __aes_xts_crypt enc, keylen
+ // With 16 < len <= 31, there's no main loop, just ciphertext stealing.
+ beqz LEN32, .Lcts_without_main_loop\@
+
+ vsetvli VLMAX, zero, e32, m4, ta, ma
+1:
+ vsetvli VL, LEN32, e32, m4, ta, ma
+2:
+ // Encrypt or decrypt VL/4 blocks.
+ vle32.v TMP0, (INP)
+ vxor.vv TMP0, TMP0, TWEAKS
+ aes_crypt TMP0, \enc, \keylen
+ vxor.vv TMP0, TMP0, TWEAKS
+ vse32.v TMP0, (OUTP)
+
+ // Update the pointers and the remaining length.
+ slli t0, VL, 2
+ add INP, INP, t0
+ add OUTP, OUTP, t0
+ sub LEN32, LEN32, VL
+
+ // Check whether more blocks remain.
+ beqz LEN32, .Lmain_loop_done\@
+
+ // Compute the next sequence of tweaks by multiplying the previous
+ // sequence by x^N. Store the result in both bit-reversed order and
+ // regular order (i.e. with the bit reversal undone).
+ vgmul.vv TWEAKS_BREV, MULTS_BREV
+ vbrev8.v TWEAKS, TWEAKS_BREV
+
+ // Since we compute the tweak multipliers x^N in advance, we require
+ // that each iteration process the same length except possibly the last.
+ // This conflicts slightly with the behavior allowed by RISC-V Vector
+ // Extension, where CPUs can select a lower length for both of the last
+ // two iterations. E.g., vl might take the sequence of values
+ // [16, 16, 16, 12, 12], whereas we need [16, 16, 16, 16, 8] so that we
+ // can use x^4 again instead of computing x^3. Therefore, we explicitly
+ // keep the vl at VLMAX if there is at least VLMAX remaining.
+ bge LEN32, VLMAX, 2b
+ j 1b
+
+.Lmain_loop_done\@:
+ load_x
+
+ // Compute the next tweak.
+ addi t0, VL, -4
+ vsetivli zero, 4, e32, m4, ta, ma
+ vslidedown.vx TWEAKS_BREV, TWEAKS_BREV, t0 // Extract last tweak
+ vsetivli zero, 4, e32, m1, ta, ma
+ vgmul.vv TWEAKS_BREV, MULTS_BREV // Advance to next tweak
+
+ bnez TAIL_LEN, .Lcts\@
+
+ // Update *TWEAKP to contain the next tweak.
+ vbrev8.v TWEAKS, TWEAKS_BREV
+ vse32.v TWEAKS, (TWEAKP)
+ ret
+
+.Lcts_without_main_loop\@:
+ load_x
+.Lcts\@:
+ // TWEAKS_BREV now contains the next tweak. Compute the one after that.
+ vsetivli zero, 4, e32, m1, ta, ma
+ vmv.v.v TMP0, TWEAKS_BREV
+ vgmul.vv TMP0, MULTS_BREV
+ // Undo the bit reversal of the next two tweaks and store them in TMP1
+ // and TMP2, such that TMP1 is the first needed and TMP2 the second.
+.if \enc
+ vbrev8.v TMP1, TWEAKS_BREV
+ vbrev8.v TMP2, TMP0
+.else
+ vbrev8.v TMP1, TMP0
+ vbrev8.v TMP2, TWEAKS_BREV
+.endif
+
+ // Encrypt/decrypt the last full block.
+ vle32.v TMP0, (INP)
+ vxor.vv TMP0, TMP0, TMP1
+ aes_crypt TMP0, \enc, \keylen
+ vxor.vv TMP0, TMP0, TMP1
+
+ // Swap the first TAIL_LEN bytes of the above result with the tail.
+ // Note that to support in-place encryption/decryption, the load from
+ // the input tail must happen before the store to the output tail.
+ addi t0, INP, 16
+ addi t1, OUTP, 16
+ vmv.v.v TMP3, TMP0
+ vsetvli zero, TAIL_LEN, e8, m1, tu, ma
+ vle8.v TMP0, (t0)
+ vse8.v TMP3, (t1)
+
+ // Encrypt/decrypt again and store the last full block.
+ vsetivli zero, 4, e32, m1, ta, ma
+ vxor.vv TMP0, TMP0, TMP2
+ aes_crypt TMP0, \enc, \keylen
+ vxor.vv TMP0, TMP0, TMP2
+ vse32.v TMP0, (OUTP)
+
+ ret
+.endm
+
+.macro aes_xts_crypt enc
+
+ // Check whether the length is a multiple of the AES block size.
+ andi TAIL_LEN, LEN, 15
+ beqz TAIL_LEN, 1f
+
+ // The length isn't a multiple of the AES block size, so ciphertext
+ // stealing will be required. Ciphertext stealing involves special
+ // handling of the partial block and the last full block, so subtract
+ // the length of both from the length to be processed in the main loop.
+ sub LEN, LEN, TAIL_LEN
+ addi LEN, LEN, -16
+1:
+ srli LEN32, LEN, 2
+ // LEN and LEN32 now contain the total length of the blocks that will be
+ // processed in the main loop, in bytes and 32-bit words respectively.
+
+ xts_init
+ aes_begin KEYP, 128f, 192f
+ __aes_xts_crypt \enc, 256
+128:
+ __aes_xts_crypt \enc, 128
+192:
+ __aes_xts_crypt \enc, 192
+.endm
+
+// void aes_xts_encrypt_zvkned_zvbb_zvkg(const struct crypto_aes_ctx *key,
+// const u8 *in, u8 *out, size_t len,
+// u8 tweak[16]);
+//
+// |key| is the data key. |tweak| contains the next tweak; the encryption of
+// the original IV with the tweak key was already done. This function supports
+// incremental computation, but |len| must always be >= 16 (AES_BLOCK_SIZE), and
+// |len| must be a multiple of 16 except on the last call. If |len| is a
+// multiple of 16, then this function updates |tweak| to contain the next tweak.
+SYM_FUNC_START(aes_xts_encrypt_zvkned_zvbb_zvkg)
+ aes_xts_crypt 1
+SYM_FUNC_END(aes_xts_encrypt_zvkned_zvbb_zvkg)
+
+// Same prototype and calling convention as the encryption function
+SYM_FUNC_START(aes_xts_decrypt_zvkned_zvbb_zvkg)
+ aes_xts_crypt 0
+SYM_FUNC_END(aes_xts_decrypt_zvkned_zvbb_zvkg)
diff --git a/arch/riscv/crypto/aes-riscv64-zvkned-zvkb.S b/arch/riscv/crypto/aes-riscv64-zvkned-zvkb.S
new file mode 100644
index 0000000000000..9962d45005870
--- /dev/null
+++ b/arch/riscv/crypto/aes-riscv64-zvkned-zvkb.S
@@ -0,0 +1,146 @@
+/* SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause */
+//
+// This file is dual-licensed, meaning that you can use it under your
+// choice of either of the following two licenses:
+//
+// Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
+//
+// Licensed under the Apache License 2.0 (the "License"). You can obtain
+// a copy in the file LICENSE in the source distribution or at
+// https://www.openssl.org/source/license.html
+//
+// or
+//
+// Copyright (c) 2023, Jerry Shih <jerry.shih@sifive.com>
+// Copyright 2024 Google LLC
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// The generated code of this file depends on the following RISC-V extensions:
+// - RV64I
+// - RISC-V Vector ('V') with VLEN >= 128
+// - RISC-V Vector AES block cipher extension ('Zvkned')
+// - RISC-V Vector Cryptography Bit-manipulation extension ('Zvkb')
+
+#include <linux/linkage.h>
+
+.text
+.option arch, +zvkned, +zvkb
+
+#include "aes-macros.S"
+
+#define KEYP a0
+#define INP a1
+#define OUTP a2
+#define LEN a3
+#define IVP a4
+
+#define LEN32 a5
+#define VL_E32 a6
+#define VL_BLOCKS a7
+
+.macro aes_ctr32_crypt keylen
+ // LEN32 = number of blocks, rounded up, in 32-bit words.
+ addi t0, LEN, 15
+ srli t0, t0, 4
+ slli LEN32, t0, 2
+
+ // Create a mask that selects the last 32-bit word of each 128-bit
+ // block. This is the word that contains the (big-endian) counter.
+ li t0, 0x88
+ vsetvli t1, zero, e8, m1, ta, ma
+ vmv.v.x v0, t0
+
+ // Load the IV into v31. The last 32-bit word contains the counter.
+ vsetivli zero, 4, e32, m1, ta, ma
+ vle32.v v31, (IVP)
+
+ // Convert the big-endian counter into little-endian.
+ vsetivli zero, 4, e32, m1, ta, mu
+ vrev8.v v31, v31, v0.t
+
+ // Splat the IV to v16 (with LMUL=4). The number of copies is the
+ // maximum number of blocks that will be processed per iteration.
+ vsetvli zero, LEN32, e32, m4, ta, ma
+ vmv.v.i v16, 0
+ vaesz.vs v16, v31
+
+ // v20 = [x, x, x, 0, x, x, x, 1, ...]
+ viota.m v20, v0, v0.t
+ // v16 = [IV0, IV1, IV2, counter+0, IV0, IV1, IV2, counter+1, ...]
+ vsetvli VL_E32, LEN32, e32, m4, ta, mu
+ vadd.vv v16, v16, v20, v0.t
+
+ j 2f
+1:
+ // Set the number of blocks to process in this iteration. vl=VL_E32 is
+ // the length in 32-bit words, i.e. 4 times the number of blocks.
+ vsetvli VL_E32, LEN32, e32, m4, ta, mu
+
+ // Increment the counters by the number of blocks processed in the
+ // previous iteration.
+ vadd.vx v16, v16, VL_BLOCKS, v0.t
+2:
+ // Prepare the AES inputs into v24.
+ vmv.v.v v24, v16
+ vrev8.v v24, v24, v0.t // Convert counters back to big-endian.
+
+ // Encrypt the AES inputs to create the next portion of the keystream.
+ aes_encrypt v24, \keylen
+
+ // XOR the data with the keystream.
+ vsetvli t0, LEN, e8, m4, ta, ma
+ vle8.v v20, (INP)
+ vxor.vv v20, v20, v24
+ vse8.v v20, (OUTP)
+
+ // Advance the pointers and update the remaining length.
+ add INP, INP, t0
+ add OUTP, OUTP, t0
+ sub LEN, LEN, t0
+ sub LEN32, LEN32, VL_E32
+ srli VL_BLOCKS, VL_E32, 2
+
+ // Repeat if more data remains.
+ bnez LEN, 1b
+
+ // Update *IVP to contain the next counter.
+ vsetivli zero, 4, e32, m1, ta, mu
+ vadd.vx v16, v16, VL_BLOCKS, v0.t
+ vrev8.v v16, v16, v0.t // Convert counters back to big-endian.
+ vse32.v v16, (IVP)
+
+ ret
+.endm
+
+// void aes_ctr32_crypt_zvkned_zvkb(const struct crypto_aes_ctx *key,
+// const u8 *in, u8 *out, size_t len,
+// u8 iv[16]);
+SYM_FUNC_START(aes_ctr32_crypt_zvkned_zvkb)
+ aes_begin KEYP, 128f, 192f
+ aes_ctr32_crypt 256
+128:
+ aes_ctr32_crypt 128
+192:
+ aes_ctr32_crypt 192
+SYM_FUNC_END(aes_ctr32_crypt_zvkned_zvkb)
diff --git a/arch/riscv/crypto/aes-riscv64-zvkned.S b/arch/riscv/crypto/aes-riscv64-zvkned.S
new file mode 100644
index 0000000000000..78d4e1186c074
--- /dev/null
+++ b/arch/riscv/crypto/aes-riscv64-zvkned.S
@@ -0,0 +1,180 @@
+/* SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause */
+//
+// This file is dual-licensed, meaning that you can use it under your
+// choice of either of the following two licenses:
+//
+// Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
+//
+// Licensed under the Apache License 2.0 (the "License"). You can obtain
+// a copy in the file LICENSE in the source distribution or at
+// https://www.openssl.org/source/license.html
+//
+// or
+//
+// Copyright (c) 2023, Christoph Müllner <christoph.muellner@vrull.eu>
+// Copyright (c) 2023, Phoebe Chen <phoebe.chen@sifive.com>
+// Copyright (c) 2023, Jerry Shih <jerry.shih@sifive.com>
+// Copyright 2024 Google LLC
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// The generated code of this file depends on the following RISC-V extensions:
+// - RV64I
+// - RISC-V Vector ('V') with VLEN >= 128
+// - RISC-V Vector AES block cipher extension ('Zvkned')
+
+#include <linux/linkage.h>
+
+.text
+.option arch, +zvkned
+
+#include "aes-macros.S"
+
+#define KEYP a0
+#define INP a1
+#define OUTP a2
+#define LEN a3
+#define IVP a4
+
+.macro __aes_crypt_zvkned enc, keylen
+ vle32.v v16, (INP)
+ aes_crypt v16, \enc, \keylen
+ vse32.v v16, (OUTP)
+ ret
+.endm
+
+.macro aes_crypt_zvkned enc
+ aes_begin KEYP, 128f, 192f
+ __aes_crypt_zvkned \enc, 256
+128:
+ __aes_crypt_zvkned \enc, 128
+192:
+ __aes_crypt_zvkned \enc, 192
+.endm
+
+// void aes_encrypt_zvkned(const struct crypto_aes_ctx *key,
+// const u8 in[16], u8 out[16]);
+SYM_FUNC_START(aes_encrypt_zvkned)
+ aes_crypt_zvkned 1
+SYM_FUNC_END(aes_encrypt_zvkned)
+
+// Same prototype and calling convention as the encryption function
+SYM_FUNC_START(aes_decrypt_zvkned)
+ aes_crypt_zvkned 0
+SYM_FUNC_END(aes_decrypt_zvkned)
+
+.macro __aes_ecb_crypt enc, keylen
+ srli t0, LEN, 2
+ // t0 is the remaining length in 32-bit words. It's a multiple of 4.
+1:
+ vsetvli t1, t0, e32, m8, ta, ma
+ sub t0, t0, t1 // Subtract number of words processed
+ slli t1, t1, 2 // Words to bytes
+ vle32.v v16, (INP)
+ aes_crypt v16, \enc, \keylen
+ vse32.v v16, (OUTP)
+ add INP, INP, t1
+ add OUTP, OUTP, t1
+ bnez t0, 1b
+
+ ret
+.endm
+
+.macro aes_ecb_crypt enc
+ aes_begin KEYP, 128f, 192f
+ __aes_ecb_crypt \enc, 256
+128:
+ __aes_ecb_crypt \enc, 128
+192:
+ __aes_ecb_crypt \enc, 192
+.endm
+
+// void aes_ecb_encrypt_zvkned(const struct crypto_aes_ctx *key,
+// const u8 *in, u8 *out, size_t len);
+//
+// |len| must be nonzero and a multiple of 16 (AES_BLOCK_SIZE).
+SYM_FUNC_START(aes_ecb_encrypt_zvkned)
+ aes_ecb_crypt 1
+SYM_FUNC_END(aes_ecb_encrypt_zvkned)
+
+// Same prototype and calling convention as the encryption function
+SYM_FUNC_START(aes_ecb_decrypt_zvkned)
+ aes_ecb_crypt 0
+SYM_FUNC_END(aes_ecb_decrypt_zvkned)
+
+.macro aes_cbc_encrypt keylen
+ vle32.v v16, (IVP) // Load IV
+1:
+ vle32.v v17, (INP) // Load plaintext block
+ vxor.vv v16, v16, v17 // XOR with IV or prev ciphertext block
+ aes_encrypt v16, \keylen // Encrypt
+ vse32.v v16, (OUTP) // Store ciphertext block
+ addi INP, INP, 16
+ addi OUTP, OUTP, 16
+ addi LEN, LEN, -16
+ bnez LEN, 1b
+
+ vse32.v v16, (IVP) // Store next IV
+ ret
+.endm
+
+.macro aes_cbc_decrypt keylen
+ vle32.v v16, (IVP) // Load IV
+1:
+ vle32.v v17, (INP) // Load ciphertext block
+ vmv.v.v v18, v17 // Save ciphertext block
+ aes_decrypt v17, \keylen // Decrypt
+ vxor.vv v17, v17, v16 // XOR with IV or prev ciphertext block
+ vse32.v v17, (OUTP) // Store plaintext block
+ vmv.v.v v16, v18 // Next "IV" is prev ciphertext block
+ addi INP, INP, 16
+ addi OUTP, OUTP, 16
+ addi LEN, LEN, -16
+ bnez LEN, 1b
+
+ vse32.v v16, (IVP) // Store next IV
+ ret
+.endm
+
+// void aes_cbc_encrypt_zvkned(const struct crypto_aes_ctx *key,
+// const u8 *in, u8 *out, size_t len, u8 iv[16]);
+//
+// |len| must be nonzero and a multiple of 16 (AES_BLOCK_SIZE).
+SYM_FUNC_START(aes_cbc_encrypt_zvkned)
+ aes_begin KEYP, 128f, 192f
+ aes_cbc_encrypt 256
+128:
+ aes_cbc_encrypt 128
+192:
+ aes_cbc_encrypt 192
+SYM_FUNC_END(aes_cbc_encrypt_zvkned)
+
+// Same prototype and calling convention as the encryption function
+SYM_FUNC_START(aes_cbc_decrypt_zvkned)
+ aes_begin KEYP, 128f, 192f
+ aes_cbc_decrypt 256
+128:
+ aes_cbc_decrypt 128
+192:
+ aes_cbc_decrypt 192
+SYM_FUNC_END(aes_cbc_decrypt_zvkned)
--
GitLab
From bb54668837a073f18e173dd7be63f9ef5ee9f7ac Mon Sep 17 00:00:00 2001
From: Jerry Shih <jerry.shih@sifive.com>
Date: Sun, 21 Jan 2024 16:19:16 -0800
Subject: [PATCH 0035/2686] crypto: riscv - add vector crypto accelerated
ChaCha20
Add an implementation of ChaCha20 using the Zvkb extension. The
assembly code is derived from OpenSSL code (openssl/openssl#21923) that
was dual-licensed so that it could be reused in the kernel.
Nevertheless, the assembly has been significantly reworked for
integration with the kernel, for example by using a regular .S file
instead of the so-called perlasm, using the assembler instead of bare
'.inst', and reducing code duplication.
Signed-off-by: Jerry Shih <jerry.shih@sifive.com>
Co-developed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240122002024.27477-6-ebiggers@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/crypto/Kconfig | 11 +
arch/riscv/crypto/Makefile | 3 +
arch/riscv/crypto/chacha-riscv64-glue.c | 101 ++++++++
arch/riscv/crypto/chacha-riscv64-zvkb.S | 294 ++++++++++++++++++++++++
4 files changed, 409 insertions(+)
create mode 100644 arch/riscv/crypto/chacha-riscv64-glue.c
create mode 100644 arch/riscv/crypto/chacha-riscv64-zvkb.S
diff --git a/arch/riscv/crypto/Kconfig b/arch/riscv/crypto/Kconfig
index ebe805fa3f5f7..cb59e1d954952 100644
--- a/arch/riscv/crypto/Kconfig
+++ b/arch/riscv/crypto/Kconfig
@@ -18,4 +18,15 @@ config CRYPTO_AES_RISCV64
- Zvkb vector crypto extension (CTR)
- Zvkg vector crypto extension (XTS)
+config CRYPTO_CHACHA_RISCV64
+ tristate "Ciphers: ChaCha"
+ depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
+ select CRYPTO_SKCIPHER
+ select CRYPTO_LIB_CHACHA_GENERIC
+ help
+ Length-preserving ciphers: ChaCha20 stream cipher algorithm
+
+ Architecture: riscv64 using:
+ - Zvkb vector crypto extension
+
endmenu
diff --git a/arch/riscv/crypto/Makefile b/arch/riscv/crypto/Makefile
index 44922df7d182f..ee994c8e65509 100644
--- a/arch/riscv/crypto/Makefile
+++ b/arch/riscv/crypto/Makefile
@@ -3,3 +3,6 @@
obj-$(CONFIG_CRYPTO_AES_RISCV64) += aes-riscv64.o
aes-riscv64-y := aes-riscv64-glue.o aes-riscv64-zvkned.o \
aes-riscv64-zvkned-zvbb-zvkg.o aes-riscv64-zvkned-zvkb.o
+
+obj-$(CONFIG_CRYPTO_CHACHA_RISCV64) += chacha-riscv64.o
+chacha-riscv64-y := chacha-riscv64-glue.o chacha-riscv64-zvkb.o
diff --git a/arch/riscv/crypto/chacha-riscv64-glue.c b/arch/riscv/crypto/chacha-riscv64-glue.c
new file mode 100644
index 0000000000000..10b46f36375af
--- /dev/null
+++ b/arch/riscv/crypto/chacha-riscv64-glue.c
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * ChaCha20 using the RISC-V vector crypto extensions
+ *
+ * Copyright (C) 2023 SiFive, Inc.
+ * Author: Jerry Shih <jerry.shih@sifive.com>
+ */
+
+#include <asm/simd.h>
+#include <asm/vector.h>
+#include <crypto/internal/chacha.h>
+#include <crypto/internal/skcipher.h>
+#include <linux/linkage.h>
+#include <linux/module.h>
+
+asmlinkage void chacha20_zvkb(const u32 key[8], const u8 *in, u8 *out,
+ size_t len, const u32 iv[4]);
+
+static int riscv64_chacha20_crypt(struct skcipher_request *req)
+{
+ u32 iv[CHACHA_IV_SIZE / sizeof(u32)];
+ u8 block_buffer[CHACHA_BLOCK_SIZE];
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ const struct chacha_ctx *ctx = crypto_skcipher_ctx(tfm);
+ struct skcipher_walk walk;
+ unsigned int nbytes;
+ unsigned int tail_bytes;
+ int err;
+
+ iv[0] = get_unaligned_le32(req->iv);
+ iv[1] = get_unaligned_le32(req->iv + 4);
+ iv[2] = get_unaligned_le32(req->iv + 8);
+ iv[3] = get_unaligned_le32(req->iv + 12);
+
+ err = skcipher_walk_virt(&walk, req, false);
+ while (walk.nbytes) {
+ nbytes = walk.nbytes & ~(CHACHA_BLOCK_SIZE - 1);
+ tail_bytes = walk.nbytes & (CHACHA_BLOCK_SIZE - 1);
+ kernel_vector_begin();
+ if (nbytes) {
+ chacha20_zvkb(ctx->key, walk.src.virt.addr,
+ walk.dst.virt.addr, nbytes, iv);
+ iv[0] += nbytes / CHACHA_BLOCK_SIZE;
+ }
+ if (walk.nbytes == walk.total && tail_bytes > 0) {
+ memcpy(block_buffer, walk.src.virt.addr + nbytes,
+ tail_bytes);
+ chacha20_zvkb(ctx->key, block_buffer, block_buffer,
+ CHACHA_BLOCK_SIZE, iv);
+ memcpy(walk.dst.virt.addr + nbytes, block_buffer,
+ tail_bytes);
+ tail_bytes = 0;
+ }
+ kernel_vector_end();
+
+ err = skcipher_walk_done(&walk, tail_bytes);
+ }
+
+ return err;
+}
+
+static struct skcipher_alg riscv64_chacha_alg = {
+ .setkey = chacha20_setkey,
+ .encrypt = riscv64_chacha20_crypt,
+ .decrypt = riscv64_chacha20_crypt,
+ .min_keysize = CHACHA_KEY_SIZE,
+ .max_keysize = CHACHA_KEY_SIZE,
+ .ivsize = CHACHA_IV_SIZE,
+ .chunksize = CHACHA_BLOCK_SIZE,
+ .walksize = 4 * CHACHA_BLOCK_SIZE,
+ .base = {
+ .cra_blocksize = 1,
+ .cra_ctxsize = sizeof(struct chacha_ctx),
+ .cra_priority = 300,
+ .cra_name = "chacha20",
+ .cra_driver_name = "chacha20-riscv64-zvkb",
+ .cra_module = THIS_MODULE,
+ },
+};
+
+static int __init riscv64_chacha_mod_init(void)
+{
+ if (riscv_isa_extension_available(NULL, ZVKB) &&
+ riscv_vector_vlen() >= 128)
+ return crypto_register_skcipher(&riscv64_chacha_alg);
+
+ return -ENODEV;
+}
+
+static void __exit riscv64_chacha_mod_exit(void)
+{
+ crypto_unregister_skcipher(&riscv64_chacha_alg);
+}
+
+module_init(riscv64_chacha_mod_init);
+module_exit(riscv64_chacha_mod_exit);
+
+MODULE_DESCRIPTION("ChaCha20 (RISC-V accelerated)");
+MODULE_AUTHOR("Jerry Shih <jerry.shih@sifive.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_CRYPTO("chacha20");
diff --git a/arch/riscv/crypto/chacha-riscv64-zvkb.S b/arch/riscv/crypto/chacha-riscv64-zvkb.S
new file mode 100644
index 0000000000000..bf057737ac693
--- /dev/null
+++ b/arch/riscv/crypto/chacha-riscv64-zvkb.S
@@ -0,0 +1,294 @@
+/* SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause */
+//
+// This file is dual-licensed, meaning that you can use it under your
+// choice of either of the following two licenses:
+//
+// Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
+//
+// Licensed under the Apache License 2.0 (the "License"). You can obtain
+// a copy in the file LICENSE in the source distribution or at
+// https://www.openssl.org/source/license.html
+//
+// or
+//
+// Copyright (c) 2023, Jerry Shih <jerry.shih@sifive.com>
+// Copyright 2024 Google LLC
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// The generated code of this file depends on the following RISC-V extensions:
+// - RV64I
+// - RISC-V Vector ('V') with VLEN >= 128
+// - RISC-V Vector Cryptography Bit-manipulation extension ('Zvkb')
+
+#include <linux/linkage.h>
+
+.text
+.option arch, +zvkb
+
+#define KEYP a0
+#define INP a1
+#define OUTP a2
+#define LEN a3
+#define IVP a4
+
+#define CONSTS0 a5
+#define CONSTS1 a6
+#define CONSTS2 a7
+#define CONSTS3 t0
+#define TMP t1
+#define VL t2
+#define STRIDE t3
+#define NROUNDS t4
+#define KEY0 s0
+#define KEY1 s1
+#define KEY2 s2
+#define KEY3 s3
+#define KEY4 s4
+#define KEY5 s5
+#define KEY6 s6
+#define KEY7 s7
+#define COUNTER s8
+#define NONCE0 s9
+#define NONCE1 s10
+#define NONCE2 s11
+
+.macro chacha_round a0, b0, c0, d0, a1, b1, c1, d1, \
+ a2, b2, c2, d2, a3, b3, c3, d3
+ // a += b; d ^= a; d = rol(d, 16);
+ vadd.vv \a0, \a0, \b0
+ vadd.vv \a1, \a1, \b1
+ vadd.vv \a2, \a2, \b2
+ vadd.vv \a3, \a3, \b3
+ vxor.vv \d0, \d0, \a0
+ vxor.vv \d1, \d1, \a1
+ vxor.vv \d2, \d2, \a2
+ vxor.vv \d3, \d3, \a3
+ vror.vi \d0, \d0, 32 - 16
+ vror.vi \d1, \d1, 32 - 16
+ vror.vi \d2, \d2, 32 - 16
+ vror.vi \d3, \d3, 32 - 16
+
+ // c += d; b ^= c; b = rol(b, 12);
+ vadd.vv \c0, \c0, \d0
+ vadd.vv \c1, \c1, \d1
+ vadd.vv \c2, \c2, \d2
+ vadd.vv \c3, \c3, \d3
+ vxor.vv \b0, \b0, \c0
+ vxor.vv \b1, \b1, \c1
+ vxor.vv \b2, \b2, \c2
+ vxor.vv \b3, \b3, \c3
+ vror.vi \b0, \b0, 32 - 12
+ vror.vi \b1, \b1, 32 - 12
+ vror.vi \b2, \b2, 32 - 12
+ vror.vi \b3, \b3, 32 - 12
+
+ // a += b; d ^= a; d = rol(d, 8);
+ vadd.vv \a0, \a0, \b0
+ vadd.vv \a1, \a1, \b1
+ vadd.vv \a2, \a2, \b2
+ vadd.vv \a3, \a3, \b3
+ vxor.vv \d0, \d0, \a0
+ vxor.vv \d1, \d1, \a1
+ vxor.vv \d2, \d2, \a2
+ vxor.vv \d3, \d3, \a3
+ vror.vi \d0, \d0, 32 - 8
+ vror.vi \d1, \d1, 32 - 8
+ vror.vi \d2, \d2, 32 - 8
+ vror.vi \d3, \d3, 32 - 8
+
+ // c += d; b ^= c; b = rol(b, 7);
+ vadd.vv \c0, \c0, \d0
+ vadd.vv \c1, \c1, \d1
+ vadd.vv \c2, \c2, \d2
+ vadd.vv \c3, \c3, \d3
+ vxor.vv \b0, \b0, \c0
+ vxor.vv \b1, \b1, \c1
+ vxor.vv \b2, \b2, \c2
+ vxor.vv \b3, \b3, \c3
+ vror.vi \b0, \b0, 32 - 7
+ vror.vi \b1, \b1, 32 - 7
+ vror.vi \b2, \b2, 32 - 7
+ vror.vi \b3, \b3, 32 - 7
+.endm
+
+// void chacha20_zvkb(const u32 key[8], const u8 *in, u8 *out, size_t len,
+// const u32 iv[4]);
+//
+// |len| must be nonzero and a multiple of 64 (CHACHA_BLOCK_SIZE).
+// The counter is treated as 32-bit, following the RFC7539 convention.
+SYM_FUNC_START(chacha20_zvkb)
+ srli LEN, LEN, 6 // Bytes to blocks
+
+ addi sp, sp, -96
+ sd s0, 0(sp)
+ sd s1, 8(sp)
+ sd s2, 16(sp)
+ sd s3, 24(sp)
+ sd s4, 32(sp)
+ sd s5, 40(sp)
+ sd s6, 48(sp)
+ sd s7, 56(sp)
+ sd s8, 64(sp)
+ sd s9, 72(sp)
+ sd s10, 80(sp)
+ sd s11, 88(sp)
+
+ li STRIDE, 64
+
+ // Set up the initial state matrix in scalar registers.
+ li CONSTS0, 0x61707865 // "expa" little endian
+ li CONSTS1, 0x3320646e // "nd 3" little endian
+ li CONSTS2, 0x79622d32 // "2-by" little endian
+ li CONSTS3, 0x6b206574 // "te k" little endian
+ lw KEY0, 0(KEYP)
+ lw KEY1, 4(KEYP)
+ lw KEY2, 8(KEYP)
+ lw KEY3, 12(KEYP)
+ lw KEY4, 16(KEYP)
+ lw KEY5, 20(KEYP)
+ lw KEY6, 24(KEYP)
+ lw KEY7, 28(KEYP)
+ lw COUNTER, 0(IVP)
+ lw NONCE0, 4(IVP)
+ lw NONCE1, 8(IVP)
+ lw NONCE2, 12(IVP)
+
+.Lblock_loop:
+ // Set vl to the number of blocks to process in this iteration.
+ vsetvli VL, LEN, e32, m1, ta, ma
+
+ // Set up the initial state matrix for the next VL blocks in v0-v15.
+ // v{i} holds the i'th 32-bit word of the state matrix for all blocks.
+ // Note that only the counter word, at index 12, differs across blocks.
+ vmv.v.x v0, CONSTS0
+ vmv.v.x v1, CONSTS1
+ vmv.v.x v2, CONSTS2
+ vmv.v.x v3, CONSTS3
+ vmv.v.x v4, KEY0
+ vmv.v.x v5, KEY1
+ vmv.v.x v6, KEY2
+ vmv.v.x v7, KEY3
+ vmv.v.x v8, KEY4
+ vmv.v.x v9, KEY5
+ vmv.v.x v10, KEY6
+ vmv.v.x v11, KEY7
+ vid.v v12
+ vadd.vx v12, v12, COUNTER
+ vmv.v.x v13, NONCE0
+ vmv.v.x v14, NONCE1
+ vmv.v.x v15, NONCE2
+
+ // Load the first half of the input data for each block into v16-v23.
+ // v{16+i} holds the i'th 32-bit word for all blocks.
+ vlsseg8e32.v v16, (INP), STRIDE
+
+ li NROUNDS, 20
+.Lnext_doubleround:
+ addi NROUNDS, NROUNDS, -2
+ // column round
+ chacha_round v0, v4, v8, v12, v1, v5, v9, v13, \
+ v2, v6, v10, v14, v3, v7, v11, v15
+ // diagonal round
+ chacha_round v0, v5, v10, v15, v1, v6, v11, v12, \
+ v2, v7, v8, v13, v3, v4, v9, v14
+ bnez NROUNDS, .Lnext_doubleround
+
+ // Load the second half of the input data for each block into v24-v31.
+ // v{24+i} holds the {8+i}'th 32-bit word for all blocks.
+ addi TMP, INP, 32
+ vlsseg8e32.v v24, (TMP), STRIDE
+
+ // Finalize the first half of the keystream for each block.
+ vadd.vx v0, v0, CONSTS0
+ vadd.vx v1, v1, CONSTS1
+ vadd.vx v2, v2, CONSTS2
+ vadd.vx v3, v3, CONSTS3
+ vadd.vx v4, v4, KEY0
+ vadd.vx v5, v5, KEY1
+ vadd.vx v6, v6, KEY2
+ vadd.vx v7, v7, KEY3
+
+ // Encrypt/decrypt the first half of the data for each block.
+ vxor.vv v16, v16, v0
+ vxor.vv v17, v17, v1
+ vxor.vv v18, v18, v2
+ vxor.vv v19, v19, v3
+ vxor.vv v20, v20, v4
+ vxor.vv v21, v21, v5
+ vxor.vv v22, v22, v6
+ vxor.vv v23, v23, v7
+
+ // Store the first half of the output data for each block.
+ vssseg8e32.v v16, (OUTP), STRIDE
+
+ // Finalize the second half of the keystream for each block.
+ vadd.vx v8, v8, KEY4
+ vadd.vx v9, v9, KEY5
+ vadd.vx v10, v10, KEY6
+ vadd.vx v11, v11, KEY7
+ vid.v v0
+ vadd.vx v12, v12, COUNTER
+ vadd.vx v13, v13, NONCE0
+ vadd.vx v14, v14, NONCE1
+ vadd.vx v15, v15, NONCE2
+ vadd.vv v12, v12, v0
+
+ // Encrypt/decrypt the second half of the data for each block.
+ vxor.vv v24, v24, v8
+ vxor.vv v25, v25, v9
+ vxor.vv v26, v26, v10
+ vxor.vv v27, v27, v11
+ vxor.vv v29, v29, v13
+ vxor.vv v28, v28, v12
+ vxor.vv v30, v30, v14
+ vxor.vv v31, v31, v15
+
+ // Store the second half of the output data for each block.
+ addi TMP, OUTP, 32
+ vssseg8e32.v v24, (TMP), STRIDE
+
+ // Update the counter, the remaining number of blocks, and the input and
+ // output pointers according to the number of blocks processed (VL).
+ add COUNTER, COUNTER, VL
+ sub LEN, LEN, VL
+ slli TMP, VL, 6
+ add OUTP, OUTP, TMP
+ add INP, INP, TMP
+ bnez LEN, .Lblock_loop
+
+ ld s0, 0(sp)
+ ld s1, 8(sp)
+ ld s2, 16(sp)
+ ld s3, 24(sp)
+ ld s4, 32(sp)
+ ld s5, 40(sp)
+ ld s6, 48(sp)
+ ld s7, 56(sp)
+ ld s8, 64(sp)
+ ld s9, 72(sp)
+ ld s10, 80(sp)
+ ld s11, 88(sp)
+ addi sp, sp, 96
+ ret
+SYM_FUNC_END(chacha20_zvkb)
--
GitLab
From 600a3853dfa007935220b3489e2be5ab8950b4b4 Mon Sep 17 00:00:00 2001
From: Jerry Shih <jerry.shih@sifive.com>
Date: Sun, 21 Jan 2024 16:19:17 -0800
Subject: [PATCH 0036/2686] crypto: riscv - add vector crypto accelerated GHASH
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add an implementation of GHASH using the zvkg extension. The assembly
code is derived from OpenSSL code (openssl/openssl#21923) that was
dual-licensed so that it could be reused in the kernel. Nevertheless,
the assembly has been significantly reworked for integration with the
kernel, for example by using a regular .S file instead of the so-called
perlasm, using the assembler instead of bare '.inst', reducing code
duplication, and eliminating unnecessary endianness conversions.
Co-developed-by: Christoph Müllner <christoph.muellner@vrull.eu>
Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
Co-developed-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Signed-off-by: Jerry Shih <jerry.shih@sifive.com>
Co-developed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240122002024.27477-7-ebiggers@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/crypto/Kconfig | 10 ++
arch/riscv/crypto/Makefile | 3 +
arch/riscv/crypto/ghash-riscv64-glue.c | 168 +++++++++++++++++++++++++
arch/riscv/crypto/ghash-riscv64-zvkg.S | 72 +++++++++++
4 files changed, 253 insertions(+)
create mode 100644 arch/riscv/crypto/ghash-riscv64-glue.c
create mode 100644 arch/riscv/crypto/ghash-riscv64-zvkg.S
diff --git a/arch/riscv/crypto/Kconfig b/arch/riscv/crypto/Kconfig
index cb59e1d954952..676ba5af8f55a 100644
--- a/arch/riscv/crypto/Kconfig
+++ b/arch/riscv/crypto/Kconfig
@@ -29,4 +29,14 @@ config CRYPTO_CHACHA_RISCV64
Architecture: riscv64 using:
- Zvkb vector crypto extension
+config CRYPTO_GHASH_RISCV64
+ tristate "Hash functions: GHASH"
+ depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
+ select CRYPTO_GCM
+ help
+ GCM GHASH function (NIST SP 800-38D)
+
+ Architecture: riscv64 using:
+ - Zvkg vector crypto extension
+
endmenu
diff --git a/arch/riscv/crypto/Makefile b/arch/riscv/crypto/Makefile
index ee994c8e65509..04c96b6107488 100644
--- a/arch/riscv/crypto/Makefile
+++ b/arch/riscv/crypto/Makefile
@@ -6,3 +6,6 @@ aes-riscv64-y := aes-riscv64-glue.o aes-riscv64-zvkned.o \
obj-$(CONFIG_CRYPTO_CHACHA_RISCV64) += chacha-riscv64.o
chacha-riscv64-y := chacha-riscv64-glue.o chacha-riscv64-zvkb.o
+
+obj-$(CONFIG_CRYPTO_GHASH_RISCV64) += ghash-riscv64.o
+ghash-riscv64-y := ghash-riscv64-glue.o ghash-riscv64-zvkg.o
diff --git a/arch/riscv/crypto/ghash-riscv64-glue.c b/arch/riscv/crypto/ghash-riscv64-glue.c
new file mode 100644
index 0000000000000..312e7891fd0a3
--- /dev/null
+++ b/arch/riscv/crypto/ghash-riscv64-glue.c
@@ -0,0 +1,168 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * GHASH using the RISC-V vector crypto extensions
+ *
+ * Copyright (C) 2023 VRULL GmbH
+ * Author: Heiko Stuebner <heiko.stuebner@vrull.eu>
+ *
+ * Copyright (C) 2023 SiFive, Inc.
+ * Author: Jerry Shih <jerry.shih@sifive.com>
+ */
+
+#include <asm/simd.h>
+#include <asm/vector.h>
+#include <crypto/ghash.h>
+#include <crypto/internal/hash.h>
+#include <crypto/internal/simd.h>
+#include <linux/linkage.h>
+#include <linux/module.h>
+
+asmlinkage void ghash_zvkg(be128 *accumulator, const be128 *key, const u8 *data,
+ size_t len);
+
+struct riscv64_ghash_tfm_ctx {
+ be128 key;
+};
+
+struct riscv64_ghash_desc_ctx {
+ be128 accumulator;
+ u8 buffer[GHASH_BLOCK_SIZE];
+ u32 bytes;
+};
+
+static int riscv64_ghash_setkey(struct crypto_shash *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ struct riscv64_ghash_tfm_ctx *tctx = crypto_shash_ctx(tfm);
+
+ if (keylen != GHASH_BLOCK_SIZE)
+ return -EINVAL;
+
+ memcpy(&tctx->key, key, GHASH_BLOCK_SIZE);
+
+ return 0;
+}
+
+static int riscv64_ghash_init(struct shash_desc *desc)
+{
+ struct riscv64_ghash_desc_ctx *dctx = shash_desc_ctx(desc);
+
+ *dctx = (struct riscv64_ghash_desc_ctx){};
+
+ return 0;
+}
+
+static inline void
+riscv64_ghash_blocks(const struct riscv64_ghash_tfm_ctx *tctx,
+ struct riscv64_ghash_desc_ctx *dctx,
+ const u8 *src, size_t srclen)
+{
+ /* The srclen is nonzero and a multiple of 16. */
+ if (crypto_simd_usable()) {
+ kernel_vector_begin();
+ ghash_zvkg(&dctx->accumulator, &tctx->key, src, srclen);
+ kernel_vector_end();
+ } else {
+ do {
+ crypto_xor((u8 *)&dctx->accumulator, src,
+ GHASH_BLOCK_SIZE);
+ gf128mul_lle(&dctx->accumulator, &tctx->key);
+ src += GHASH_BLOCK_SIZE;
+ srclen -= GHASH_BLOCK_SIZE;
+ } while (srclen);
+ }
+}
+
+static int riscv64_ghash_update(struct shash_desc *desc, const u8 *src,
+ unsigned int srclen)
+{
+ const struct riscv64_ghash_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
+ struct riscv64_ghash_desc_ctx *dctx = shash_desc_ctx(desc);
+ unsigned int len;
+
+ if (dctx->bytes) {
+ if (dctx->bytes + srclen < GHASH_BLOCK_SIZE) {
+ memcpy(dctx->buffer + dctx->bytes, src, srclen);
+ dctx->bytes += srclen;
+ return 0;
+ }
+ memcpy(dctx->buffer + dctx->bytes, src,
+ GHASH_BLOCK_SIZE - dctx->bytes);
+ riscv64_ghash_blocks(tctx, dctx, dctx->buffer,
+ GHASH_BLOCK_SIZE);
+ src += GHASH_BLOCK_SIZE - dctx->bytes;
+ srclen -= GHASH_BLOCK_SIZE - dctx->bytes;
+ dctx->bytes = 0;
+ }
+
+ len = round_down(srclen, GHASH_BLOCK_SIZE);
+ if (len) {
+ riscv64_ghash_blocks(tctx, dctx, src, len);
+ src += len;
+ srclen -= len;
+ }
+
+ if (srclen) {
+ memcpy(dctx->buffer, src, srclen);
+ dctx->bytes = srclen;
+ }
+
+ return 0;
+}
+
+static int riscv64_ghash_final(struct shash_desc *desc, u8 *out)
+{
+ const struct riscv64_ghash_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
+ struct riscv64_ghash_desc_ctx *dctx = shash_desc_ctx(desc);
+ int i;
+
+ if (dctx->bytes) {
+ for (i = dctx->bytes; i < GHASH_BLOCK_SIZE; i++)
+ dctx->buffer[i] = 0;
+
+ riscv64_ghash_blocks(tctx, dctx, dctx->buffer,
+ GHASH_BLOCK_SIZE);
+ }
+
+ memcpy(out, &dctx->accumulator, GHASH_DIGEST_SIZE);
+ return 0;
+}
+
+static struct shash_alg riscv64_ghash_alg = {
+ .init = riscv64_ghash_init,
+ .update = riscv64_ghash_update,
+ .final = riscv64_ghash_final,
+ .setkey = riscv64_ghash_setkey,
+ .descsize = sizeof(struct riscv64_ghash_desc_ctx),
+ .digestsize = GHASH_DIGEST_SIZE,
+ .base = {
+ .cra_blocksize = GHASH_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct riscv64_ghash_tfm_ctx),
+ .cra_priority = 300,
+ .cra_name = "ghash",
+ .cra_driver_name = "ghash-riscv64-zvkg",
+ .cra_module = THIS_MODULE,
+ },
+};
+
+static int __init riscv64_ghash_mod_init(void)
+{
+ if (riscv_isa_extension_available(NULL, ZVKG) &&
+ riscv_vector_vlen() >= 128)
+ return crypto_register_shash(&riscv64_ghash_alg);
+
+ return -ENODEV;
+}
+
+static void __exit riscv64_ghash_mod_exit(void)
+{
+ crypto_unregister_shash(&riscv64_ghash_alg);
+}
+
+module_init(riscv64_ghash_mod_init);
+module_exit(riscv64_ghash_mod_exit);
+
+MODULE_DESCRIPTION("GHASH (RISC-V accelerated)");
+MODULE_AUTHOR("Heiko Stuebner <heiko.stuebner@vrull.eu>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_CRYPTO("ghash");
diff --git a/arch/riscv/crypto/ghash-riscv64-zvkg.S b/arch/riscv/crypto/ghash-riscv64-zvkg.S
new file mode 100644
index 0000000000000..f2b43fb4d434f
--- /dev/null
+++ b/arch/riscv/crypto/ghash-riscv64-zvkg.S
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause */
+//
+// This file is dual-licensed, meaning that you can use it under your
+// choice of either of the following two licenses:
+//
+// Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
+//
+// Licensed under the Apache License 2.0 (the "License"). You can obtain
+// a copy in the file LICENSE in the source distribution or at
+// https://www.openssl.org/source/license.html
+//
+// or
+//
+// Copyright (c) 2023, Christoph Müllner <christoph.muellner@vrull.eu>
+// Copyright (c) 2023, Jerry Shih <jerry.shih@sifive.com>
+// Copyright 2024 Google LLC
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// The generated code of this file depends on the following RISC-V extensions:
+// - RV64I
+// - RISC-V Vector ('V') with VLEN >= 128
+// - RISC-V Vector GCM/GMAC extension ('Zvkg')
+
+#include <linux/linkage.h>
+
+.text
+.option arch, +zvkg
+
+#define ACCUMULATOR a0
+#define KEY a1
+#define DATA a2
+#define LEN a3
+
+// void ghash_zvkg(be128 *accumulator, const be128 *key, const u8 *data,
+// size_t len);
+//
+// |len| must be nonzero and a multiple of 16 (GHASH_BLOCK_SIZE).
+SYM_FUNC_START(ghash_zvkg)
+ vsetivli zero, 4, e32, m1, ta, ma
+ vle32.v v1, (ACCUMULATOR)
+ vle32.v v2, (KEY)
+.Lnext_block:
+ vle32.v v3, (DATA)
+ vghsh.vv v1, v2, v3
+ addi DATA, DATA, 16
+ addi LEN, LEN, -16
+ bnez LEN, .Lnext_block
+
+ vse32.v v1, (ACCUMULATOR)
+ ret
+SYM_FUNC_END(ghash_zvkg)
--
GitLab
From 8c8e40470ffeb7a279254c78c7779d7294a76ef1 Mon Sep 17 00:00:00 2001
From: Jerry Shih <jerry.shih@sifive.com>
Date: Sun, 21 Jan 2024 16:19:18 -0800
Subject: [PATCH 0037/2686] crypto: riscv - add vector crypto accelerated
SHA-{256,224}
Add an implementation of SHA-256 and SHA-224 using the Zvknha or Zvknhb
extension. The assembly code is derived from OpenSSL code
(openssl/openssl#21923) that was dual-licensed so that it could be
reused in the kernel. Nevertheless, the assembly has been significantly
reworked for integration with the kernel, for example by using a regular
.S file instead of the so-called perlasm, using the assembler instead of
bare '.inst', and greatly reducing code duplication.
Co-developed-by: Charalampos Mitrodimas <charalampos.mitrodimas@vrull.eu>
Signed-off-by: Charalampos Mitrodimas <charalampos.mitrodimas@vrull.eu>
Co-developed-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Co-developed-by: Phoebe Chen <phoebe.chen@sifive.com>
Signed-off-by: Phoebe Chen <phoebe.chen@sifive.com>
Signed-off-by: Jerry Shih <jerry.shih@sifive.com>
Co-developed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240122002024.27477-8-ebiggers@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/crypto/Kconfig | 11 +
arch/riscv/crypto/Makefile | 3 +
arch/riscv/crypto/sha256-riscv64-glue.c | 137 +++++++++++
.../sha256-riscv64-zvknha_or_zvknhb-zvkb.S | 225 ++++++++++++++++++
4 files changed, 376 insertions(+)
create mode 100644 arch/riscv/crypto/sha256-riscv64-glue.c
create mode 100644 arch/riscv/crypto/sha256-riscv64-zvknha_or_zvknhb-zvkb.S
diff --git a/arch/riscv/crypto/Kconfig b/arch/riscv/crypto/Kconfig
index 676ba5af8f55a..687dbb71f7d50 100644
--- a/arch/riscv/crypto/Kconfig
+++ b/arch/riscv/crypto/Kconfig
@@ -39,4 +39,15 @@ config CRYPTO_GHASH_RISCV64
Architecture: riscv64 using:
- Zvkg vector crypto extension
+config CRYPTO_SHA256_RISCV64
+ tristate "Hash functions: SHA-224 and SHA-256"
+ depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
+ select CRYPTO_SHA256
+ help
+ SHA-224 and SHA-256 secure hash algorithm (FIPS 180)
+
+ Architecture: riscv64 using:
+ - Zvknha or Zvknhb vector crypto extensions
+ - Zvkb vector crypto extension
+
endmenu
diff --git a/arch/riscv/crypto/Makefile b/arch/riscv/crypto/Makefile
index 04c96b6107488..56064ea6e3efe 100644
--- a/arch/riscv/crypto/Makefile
+++ b/arch/riscv/crypto/Makefile
@@ -9,3 +9,6 @@ chacha-riscv64-y := chacha-riscv64-glue.o chacha-riscv64-zvkb.o
obj-$(CONFIG_CRYPTO_GHASH_RISCV64) += ghash-riscv64.o
ghash-riscv64-y := ghash-riscv64-glue.o ghash-riscv64-zvkg.o
+
+obj-$(CONFIG_CRYPTO_SHA256_RISCV64) += sha256-riscv64.o
+sha256-riscv64-y := sha256-riscv64-glue.o sha256-riscv64-zvknha_or_zvknhb-zvkb.o
diff --git a/arch/riscv/crypto/sha256-riscv64-glue.c b/arch/riscv/crypto/sha256-riscv64-glue.c
new file mode 100644
index 0000000000000..71e051e40a64f
--- /dev/null
+++ b/arch/riscv/crypto/sha256-riscv64-glue.c
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * SHA-256 and SHA-224 using the RISC-V vector crypto extensions
+ *
+ * Copyright (C) 2022 VRULL GmbH
+ * Author: Heiko Stuebner <heiko.stuebner@vrull.eu>
+ *
+ * Copyright (C) 2023 SiFive, Inc.
+ * Author: Jerry Shih <jerry.shih@sifive.com>
+ */
+
+#include <asm/simd.h>
+#include <asm/vector.h>
+#include <crypto/internal/hash.h>
+#include <crypto/internal/simd.h>
+#include <crypto/sha256_base.h>
+#include <linux/linkage.h>
+#include <linux/module.h>
+
+/*
+ * Note: the asm function only uses the 'state' field of struct sha256_state.
+ * It is assumed to be the first field.
+ */
+asmlinkage void sha256_transform_zvknha_or_zvknhb_zvkb(
+ struct sha256_state *state, const u8 *data, int num_blocks);
+
+static int riscv64_sha256_update(struct shash_desc *desc, const u8 *data,
+ unsigned int len)
+{
+ /*
+ * Ensure struct sha256_state begins directly with the SHA-256
+ * 256-bit internal state, as this is what the asm function expects.
+ */
+ BUILD_BUG_ON(offsetof(struct sha256_state, state) != 0);
+
+ if (crypto_simd_usable()) {
+ kernel_vector_begin();
+ sha256_base_do_update(desc, data, len,
+ sha256_transform_zvknha_or_zvknhb_zvkb);
+ kernel_vector_end();
+ } else {
+ crypto_sha256_update(desc, data, len);
+ }
+ return 0;
+}
+
+static int riscv64_sha256_finup(struct shash_desc *desc, const u8 *data,
+ unsigned int len, u8 *out)
+{
+ if (crypto_simd_usable()) {
+ kernel_vector_begin();
+ if (len)
+ sha256_base_do_update(
+ desc, data, len,
+ sha256_transform_zvknha_or_zvknhb_zvkb);
+ sha256_base_do_finalize(
+ desc, sha256_transform_zvknha_or_zvknhb_zvkb);
+ kernel_vector_end();
+
+ return sha256_base_finish(desc, out);
+ }
+
+ return crypto_sha256_finup(desc, data, len, out);
+}
+
+static int riscv64_sha256_final(struct shash_desc *desc, u8 *out)
+{
+ return riscv64_sha256_finup(desc, NULL, 0, out);
+}
+
+static int riscv64_sha256_digest(struct shash_desc *desc, const u8 *data,
+ unsigned int len, u8 *out)
+{
+ return sha256_base_init(desc) ?:
+ riscv64_sha256_finup(desc, data, len, out);
+}
+
+static struct shash_alg riscv64_sha256_algs[] = {
+ {
+ .init = sha256_base_init,
+ .update = riscv64_sha256_update,
+ .final = riscv64_sha256_final,
+ .finup = riscv64_sha256_finup,
+ .digest = riscv64_sha256_digest,
+ .descsize = sizeof(struct sha256_state),
+ .digestsize = SHA256_DIGEST_SIZE,
+ .base = {
+ .cra_blocksize = SHA256_BLOCK_SIZE,
+ .cra_priority = 300,
+ .cra_name = "sha256",
+ .cra_driver_name = "sha256-riscv64-zvknha_or_zvknhb-zvkb",
+ .cra_module = THIS_MODULE,
+ },
+ }, {
+ .init = sha224_base_init,
+ .update = riscv64_sha256_update,
+ .final = riscv64_sha256_final,
+ .finup = riscv64_sha256_finup,
+ .descsize = sizeof(struct sha256_state),
+ .digestsize = SHA224_DIGEST_SIZE,
+ .base = {
+ .cra_blocksize = SHA224_BLOCK_SIZE,
+ .cra_priority = 300,
+ .cra_name = "sha224",
+ .cra_driver_name = "sha224-riscv64-zvknha_or_zvknhb-zvkb",
+ .cra_module = THIS_MODULE,
+ },
+ },
+};
+
+static int __init riscv64_sha256_mod_init(void)
+{
+ /* Both zvknha and zvknhb provide the SHA-256 instructions. */
+ if ((riscv_isa_extension_available(NULL, ZVKNHA) ||
+ riscv_isa_extension_available(NULL, ZVKNHB)) &&
+ riscv_isa_extension_available(NULL, ZVKB) &&
+ riscv_vector_vlen() >= 128)
+ return crypto_register_shashes(riscv64_sha256_algs,
+ ARRAY_SIZE(riscv64_sha256_algs));
+
+ return -ENODEV;
+}
+
+static void __exit riscv64_sha256_mod_exit(void)
+{
+ crypto_unregister_shashes(riscv64_sha256_algs,
+ ARRAY_SIZE(riscv64_sha256_algs));
+}
+
+module_init(riscv64_sha256_mod_init);
+module_exit(riscv64_sha256_mod_exit);
+
+MODULE_DESCRIPTION("SHA-256 (RISC-V accelerated)");
+MODULE_AUTHOR("Heiko Stuebner <heiko.stuebner@vrull.eu>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_CRYPTO("sha256");
+MODULE_ALIAS_CRYPTO("sha224");
diff --git a/arch/riscv/crypto/sha256-riscv64-zvknha_or_zvknhb-zvkb.S b/arch/riscv/crypto/sha256-riscv64-zvknha_or_zvknhb-zvkb.S
new file mode 100644
index 0000000000000..8ebcc17de4dce
--- /dev/null
+++ b/arch/riscv/crypto/sha256-riscv64-zvknha_or_zvknhb-zvkb.S
@@ -0,0 +1,225 @@
+/* SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause */
+//
+// This file is dual-licensed, meaning that you can use it under your
+// choice of either of the following two licenses:
+//
+// Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
+//
+// Licensed under the Apache License 2.0 (the "License"). You can obtain
+// a copy in the file LICENSE in the source distribution or at
+// https://www.openssl.org/source/license.html
+//
+// or
+//
+// Copyright (c) 2023, Christoph Müllner <christoph.muellner@vrull.eu>
+// Copyright (c) 2023, Phoebe Chen <phoebe.chen@sifive.com>
+// Copyright 2024 Google LLC
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// The generated code of this file depends on the following RISC-V extensions:
+// - RV64I
+// - RISC-V Vector ('V') with VLEN >= 128
+// - RISC-V Vector SHA-2 Secure Hash extension ('Zvknha' or 'Zvknhb')
+// - RISC-V Vector Cryptography Bit-manipulation extension ('Zvkb')
+
+#include <linux/cfi_types.h>
+
+.text
+.option arch, +zvknha, +zvkb
+
+#define STATEP a0
+#define DATA a1
+#define NUM_BLOCKS a2
+
+#define STATEP_C a3
+
+#define MASK v0
+#define INDICES v1
+#define W0 v2
+#define W1 v3
+#define W2 v4
+#define W3 v5
+#define VTMP v6
+#define FEBA v7
+#define HGDC v8
+#define K0 v10
+#define K1 v11
+#define K2 v12
+#define K3 v13
+#define K4 v14
+#define K5 v15
+#define K6 v16
+#define K7 v17
+#define K8 v18
+#define K9 v19
+#define K10 v20
+#define K11 v21
+#define K12 v22
+#define K13 v23
+#define K14 v24
+#define K15 v25
+#define PREV_FEBA v26
+#define PREV_HGDC v27
+
+// Do 4 rounds of SHA-256. w0 contains the current 4 message schedule words.
+//
+// If not all the message schedule words have been computed yet, then this also
+// computes 4 more message schedule words. w1-w3 contain the next 3 groups of 4
+// message schedule words; this macro computes the group after w3 and writes it
+// to w0. This means that the next (w0, w1, w2, w3) is the current (w1, w2, w3,
+// w0), so the caller must cycle through the registers accordingly.
+.macro sha256_4rounds last, k, w0, w1, w2, w3
+ vadd.vv VTMP, \k, \w0
+ vsha2cl.vv HGDC, FEBA, VTMP
+ vsha2ch.vv FEBA, HGDC, VTMP
+.if !\last
+ vmerge.vvm VTMP, \w2, \w1, MASK
+ vsha2ms.vv \w0, VTMP, \w3
+.endif
+.endm
+
+.macro sha256_16rounds last, k0, k1, k2, k3
+ sha256_4rounds \last, \k0, W0, W1, W2, W3
+ sha256_4rounds \last, \k1, W1, W2, W3, W0
+ sha256_4rounds \last, \k2, W2, W3, W0, W1
+ sha256_4rounds \last, \k3, W3, W0, W1, W2
+.endm
+
+// void sha256_transform_zvknha_or_zvknhb_zvkb(u32 state[8], const u8 *data,
+// int num_blocks);
+SYM_TYPED_FUNC_START(sha256_transform_zvknha_or_zvknhb_zvkb)
+
+ // Load the round constants into K0-K15.
+ vsetivli zero, 4, e32, m1, ta, ma
+ la t0, K256
+ vle32.v K0, (t0)
+ addi t0, t0, 16
+ vle32.v K1, (t0)
+ addi t0, t0, 16
+ vle32.v K2, (t0)
+ addi t0, t0, 16
+ vle32.v K3, (t0)
+ addi t0, t0, 16
+ vle32.v K4, (t0)
+ addi t0, t0, 16
+ vle32.v K5, (t0)
+ addi t0, t0, 16
+ vle32.v K6, (t0)
+ addi t0, t0, 16
+ vle32.v K7, (t0)
+ addi t0, t0, 16
+ vle32.v K8, (t0)
+ addi t0, t0, 16
+ vle32.v K9, (t0)
+ addi t0, t0, 16
+ vle32.v K10, (t0)
+ addi t0, t0, 16
+ vle32.v K11, (t0)
+ addi t0, t0, 16
+ vle32.v K12, (t0)
+ addi t0, t0, 16
+ vle32.v K13, (t0)
+ addi t0, t0, 16
+ vle32.v K14, (t0)
+ addi t0, t0, 16
+ vle32.v K15, (t0)
+
+ // Setup mask for the vmerge to replace the first word (idx==0) in
+ // message scheduling. There are 4 words, so an 8-bit mask suffices.
+ vsetivli zero, 1, e8, m1, ta, ma
+ vmv.v.i MASK, 0x01
+
+ // Load the state. The state is stored as {a,b,c,d,e,f,g,h}, but we
+ // need {f,e,b,a},{h,g,d,c}. The dst vtype is e32m1 and the index vtype
+ // is e8mf4. We use index-load with the i8 indices {20, 16, 4, 0},
+ // loaded using the 32-bit little endian value 0x00041014.
+ li t0, 0x00041014
+ vsetivli zero, 1, e32, m1, ta, ma
+ vmv.v.x INDICES, t0
+ addi STATEP_C, STATEP, 8
+ vsetivli zero, 4, e32, m1, ta, ma
+ vluxei8.v FEBA, (STATEP), INDICES
+ vluxei8.v HGDC, (STATEP_C), INDICES
+
+.Lnext_block:
+ addi NUM_BLOCKS, NUM_BLOCKS, -1
+
+ // Save the previous state, as it's needed later.
+ vmv.v.v PREV_FEBA, FEBA
+ vmv.v.v PREV_HGDC, HGDC
+
+ // Load the next 512-bit message block and endian-swap each 32-bit word.
+ vle32.v W0, (DATA)
+ vrev8.v W0, W0
+ addi DATA, DATA, 16
+ vle32.v W1, (DATA)
+ vrev8.v W1, W1
+ addi DATA, DATA, 16
+ vle32.v W2, (DATA)
+ vrev8.v W2, W2
+ addi DATA, DATA, 16
+ vle32.v W3, (DATA)
+ vrev8.v W3, W3
+ addi DATA, DATA, 16
+
+ // Do the 64 rounds of SHA-256.
+ sha256_16rounds 0, K0, K1, K2, K3
+ sha256_16rounds 0, K4, K5, K6, K7
+ sha256_16rounds 0, K8, K9, K10, K11
+ sha256_16rounds 1, K12, K13, K14, K15
+
+ // Add the previous state.
+ vadd.vv FEBA, FEBA, PREV_FEBA
+ vadd.vv HGDC, HGDC, PREV_HGDC
+
+ // Repeat if more blocks remain.
+ bnez NUM_BLOCKS, .Lnext_block
+
+ // Store the new state and return.
+ vsuxei8.v FEBA, (STATEP), INDICES
+ vsuxei8.v HGDC, (STATEP_C), INDICES
+ ret
+SYM_FUNC_END(sha256_transform_zvknha_or_zvknhb_zvkb)
+
+.section ".rodata"
+.p2align 2
+.type K256, @object
+K256:
+ .word 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5
+ .word 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5
+ .word 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3
+ .word 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174
+ .word 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc
+ .word 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da
+ .word 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7
+ .word 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967
+ .word 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13
+ .word 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85
+ .word 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3
+ .word 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070
+ .word 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5
+ .word 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3
+ .word 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208
+ .word 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
+.size K256, . - K256
--
GitLab
From b3415925a08b13e468e8f3805bce86015475dd99 Mon Sep 17 00:00:00 2001
From: Jerry Shih <jerry.shih@sifive.com>
Date: Sun, 21 Jan 2024 16:19:19 -0800
Subject: [PATCH 0038/2686] crypto: riscv - add vector crypto accelerated
SHA-{512,384}
Add an implementation of SHA-512 and SHA-384 using the Zvknhb extension.
The assembly code is derived from OpenSSL code (openssl/openssl#21923)
that was dual-licensed so that it could be reused in the kernel.
Nevertheless, the assembly has been significantly reworked for
integration with the kernel, for example by using a regular .S file
instead of the so-called perlasm, using the assembler instead of bare
'.inst', and greatly reducing code duplication.
Co-developed-by: Charalampos Mitrodimas <charalampos.mitrodimas@vrull.eu>
Signed-off-by: Charalampos Mitrodimas <charalampos.mitrodimas@vrull.eu>
Co-developed-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Co-developed-by: Phoebe Chen <phoebe.chen@sifive.com>
Signed-off-by: Phoebe Chen <phoebe.chen@sifive.com>
Signed-off-by: Jerry Shih <jerry.shih@sifive.com>
Co-developed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240122002024.27477-9-ebiggers@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/crypto/Kconfig | 11 +
arch/riscv/crypto/Makefile | 3 +
arch/riscv/crypto/sha512-riscv64-glue.c | 133 ++++++++++++
.../riscv/crypto/sha512-riscv64-zvknhb-zvkb.S | 203 ++++++++++++++++++
4 files changed, 350 insertions(+)
create mode 100644 arch/riscv/crypto/sha512-riscv64-glue.c
create mode 100644 arch/riscv/crypto/sha512-riscv64-zvknhb-zvkb.S
diff --git a/arch/riscv/crypto/Kconfig b/arch/riscv/crypto/Kconfig
index 687dbb71f7d50..0fd0bf46c9099 100644
--- a/arch/riscv/crypto/Kconfig
+++ b/arch/riscv/crypto/Kconfig
@@ -50,4 +50,15 @@ config CRYPTO_SHA256_RISCV64
- Zvknha or Zvknhb vector crypto extensions
- Zvkb vector crypto extension
+config CRYPTO_SHA512_RISCV64
+ tristate "Hash functions: SHA-384 and SHA-512"
+ depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
+ select CRYPTO_SHA512
+ help
+ SHA-384 and SHA-512 secure hash algorithm (FIPS 180)
+
+ Architecture: riscv64 using:
+ - Zvknhb vector crypto extension
+ - Zvkb vector crypto extension
+
endmenu
diff --git a/arch/riscv/crypto/Makefile b/arch/riscv/crypto/Makefile
index 56064ea6e3efe..356a931db0eb7 100644
--- a/arch/riscv/crypto/Makefile
+++ b/arch/riscv/crypto/Makefile
@@ -12,3 +12,6 @@ ghash-riscv64-y := ghash-riscv64-glue.o ghash-riscv64-zvkg.o
obj-$(CONFIG_CRYPTO_SHA256_RISCV64) += sha256-riscv64.o
sha256-riscv64-y := sha256-riscv64-glue.o sha256-riscv64-zvknha_or_zvknhb-zvkb.o
+
+obj-$(CONFIG_CRYPTO_SHA512_RISCV64) += sha512-riscv64.o
+sha512-riscv64-y := sha512-riscv64-glue.o sha512-riscv64-zvknhb-zvkb.o
diff --git a/arch/riscv/crypto/sha512-riscv64-glue.c b/arch/riscv/crypto/sha512-riscv64-glue.c
new file mode 100644
index 0000000000000..43b56a08aeb51
--- /dev/null
+++ b/arch/riscv/crypto/sha512-riscv64-glue.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * SHA-512 and SHA-384 using the RISC-V vector crypto extensions
+ *
+ * Copyright (C) 2023 VRULL GmbH
+ * Author: Heiko Stuebner <heiko.stuebner@vrull.eu>
+ *
+ * Copyright (C) 2023 SiFive, Inc.
+ * Author: Jerry Shih <jerry.shih@sifive.com>
+ */
+
+#include <asm/simd.h>
+#include <asm/vector.h>
+#include <crypto/internal/hash.h>
+#include <crypto/internal/simd.h>
+#include <crypto/sha512_base.h>
+#include <linux/linkage.h>
+#include <linux/module.h>
+
+/*
+ * Note: the asm function only uses the 'state' field of struct sha512_state.
+ * It is assumed to be the first field.
+ */
+asmlinkage void sha512_transform_zvknhb_zvkb(
+ struct sha512_state *state, const u8 *data, int num_blocks);
+
+static int riscv64_sha512_update(struct shash_desc *desc, const u8 *data,
+ unsigned int len)
+{
+ /*
+ * Ensure struct sha512_state begins directly with the SHA-512
+ * 512-bit internal state, as this is what the asm function expects.
+ */
+ BUILD_BUG_ON(offsetof(struct sha512_state, state) != 0);
+
+ if (crypto_simd_usable()) {
+ kernel_vector_begin();
+ sha512_base_do_update(desc, data, len,
+ sha512_transform_zvknhb_zvkb);
+ kernel_vector_end();
+ } else {
+ crypto_sha512_update(desc, data, len);
+ }
+ return 0;
+}
+
+static int riscv64_sha512_finup(struct shash_desc *desc, const u8 *data,
+ unsigned int len, u8 *out)
+{
+ if (crypto_simd_usable()) {
+ kernel_vector_begin();
+ if (len)
+ sha512_base_do_update(desc, data, len,
+ sha512_transform_zvknhb_zvkb);
+ sha512_base_do_finalize(desc, sha512_transform_zvknhb_zvkb);
+ kernel_vector_end();
+
+ return sha512_base_finish(desc, out);
+ }
+
+ return crypto_sha512_finup(desc, data, len, out);
+}
+
+static int riscv64_sha512_final(struct shash_desc *desc, u8 *out)
+{
+ return riscv64_sha512_finup(desc, NULL, 0, out);
+}
+
+static int riscv64_sha512_digest(struct shash_desc *desc, const u8 *data,
+ unsigned int len, u8 *out)
+{
+ return sha512_base_init(desc) ?:
+ riscv64_sha512_finup(desc, data, len, out);
+}
+
+static struct shash_alg riscv64_sha512_algs[] = {
+ {
+ .init = sha512_base_init,
+ .update = riscv64_sha512_update,
+ .final = riscv64_sha512_final,
+ .finup = riscv64_sha512_finup,
+ .digest = riscv64_sha512_digest,
+ .descsize = sizeof(struct sha512_state),
+ .digestsize = SHA512_DIGEST_SIZE,
+ .base = {
+ .cra_blocksize = SHA512_BLOCK_SIZE,
+ .cra_priority = 300,
+ .cra_name = "sha512",
+ .cra_driver_name = "sha512-riscv64-zvknhb-zvkb",
+ .cra_module = THIS_MODULE,
+ },
+ }, {
+ .init = sha384_base_init,
+ .update = riscv64_sha512_update,
+ .final = riscv64_sha512_final,
+ .finup = riscv64_sha512_finup,
+ .descsize = sizeof(struct sha512_state),
+ .digestsize = SHA384_DIGEST_SIZE,
+ .base = {
+ .cra_blocksize = SHA384_BLOCK_SIZE,
+ .cra_priority = 300,
+ .cra_name = "sha384",
+ .cra_driver_name = "sha384-riscv64-zvknhb-zvkb",
+ .cra_module = THIS_MODULE,
+ },
+ },
+};
+
+static int __init riscv64_sha512_mod_init(void)
+{
+ if (riscv_isa_extension_available(NULL, ZVKNHB) &&
+ riscv_isa_extension_available(NULL, ZVKB) &&
+ riscv_vector_vlen() >= 128)
+ return crypto_register_shashes(riscv64_sha512_algs,
+ ARRAY_SIZE(riscv64_sha512_algs));
+
+ return -ENODEV;
+}
+
+static void __exit riscv64_sha512_mod_exit(void)
+{
+ crypto_unregister_shashes(riscv64_sha512_algs,
+ ARRAY_SIZE(riscv64_sha512_algs));
+}
+
+module_init(riscv64_sha512_mod_init);
+module_exit(riscv64_sha512_mod_exit);
+
+MODULE_DESCRIPTION("SHA-512 (RISC-V accelerated)");
+MODULE_AUTHOR("Heiko Stuebner <heiko.stuebner@vrull.eu>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_CRYPTO("sha512");
+MODULE_ALIAS_CRYPTO("sha384");
diff --git a/arch/riscv/crypto/sha512-riscv64-zvknhb-zvkb.S b/arch/riscv/crypto/sha512-riscv64-zvknhb-zvkb.S
new file mode 100644
index 0000000000000..3a9ae210f9158
--- /dev/null
+++ b/arch/riscv/crypto/sha512-riscv64-zvknhb-zvkb.S
@@ -0,0 +1,203 @@
+/* SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause */
+//
+// This file is dual-licensed, meaning that you can use it under your
+// choice of either of the following two licenses:
+//
+// Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
+//
+// Licensed under the Apache License 2.0 (the "License"). You can obtain
+// a copy in the file LICENSE in the source distribution or at
+// https://www.openssl.org/source/license.html
+//
+// or
+//
+// Copyright (c) 2023, Christoph Müllner <christoph.muellner@vrull.eu>
+// Copyright (c) 2023, Phoebe Chen <phoebe.chen@sifive.com>
+// Copyright 2024 Google LLC
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// The generated code of this file depends on the following RISC-V extensions:
+// - RV64I
+// - RISC-V Vector ('V') with VLEN >= 128
+// - RISC-V Vector SHA-2 Secure Hash extension ('Zvknhb')
+// - RISC-V Vector Cryptography Bit-manipulation extension ('Zvkb')
+
+#include <linux/cfi_types.h>
+
+.text
+.option arch, +zvknhb, +zvkb
+
+#define STATEP a0
+#define DATA a1
+#define NUM_BLOCKS a2
+
+#define STATEP_C a3
+#define K a4
+
+#define MASK v0
+#define INDICES v1
+#define W0 v10 // LMUL=2
+#define W1 v12 // LMUL=2
+#define W2 v14 // LMUL=2
+#define W3 v16 // LMUL=2
+#define VTMP v20 // LMUL=2
+#define FEBA v22 // LMUL=2
+#define HGDC v24 // LMUL=2
+#define PREV_FEBA v26 // LMUL=2
+#define PREV_HGDC v28 // LMUL=2
+
+// Do 4 rounds of SHA-512. w0 contains the current 4 message schedule words.
+//
+// If not all the message schedule words have been computed yet, then this also
+// computes 4 more message schedule words. w1-w3 contain the next 3 groups of 4
+// message schedule words; this macro computes the group after w3 and writes it
+// to w0. This means that the next (w0, w1, w2, w3) is the current (w1, w2, w3,
+// w0), so the caller must cycle through the registers accordingly.
+.macro sha512_4rounds last, w0, w1, w2, w3
+ vle64.v VTMP, (K)
+ addi K, K, 32
+ vadd.vv VTMP, VTMP, \w0
+ vsha2cl.vv HGDC, FEBA, VTMP
+ vsha2ch.vv FEBA, HGDC, VTMP
+.if !\last
+ vmerge.vvm VTMP, \w2, \w1, MASK
+ vsha2ms.vv \w0, VTMP, \w3
+.endif
+.endm
+
+.macro sha512_16rounds last
+ sha512_4rounds \last, W0, W1, W2, W3
+ sha512_4rounds \last, W1, W2, W3, W0
+ sha512_4rounds \last, W2, W3, W0, W1
+ sha512_4rounds \last, W3, W0, W1, W2
+.endm
+
+// void sha512_transform_zvknhb_zvkb(u64 state[8], const u8 *data,
+// int num_blocks);
+SYM_TYPED_FUNC_START(sha512_transform_zvknhb_zvkb)
+
+ // Setup mask for the vmerge to replace the first word (idx==0) in
+ // message scheduling. There are 4 words, so an 8-bit mask suffices.
+ vsetivli zero, 1, e8, m1, ta, ma
+ vmv.v.i MASK, 0x01
+
+ // Load the state. The state is stored as {a,b,c,d,e,f,g,h}, but we
+ // need {f,e,b,a},{h,g,d,c}. The dst vtype is e64m2 and the index vtype
+ // is e8mf4. We use index-load with the i8 indices {40, 32, 8, 0},
+ // loaded using the 32-bit little endian value 0x00082028.
+ li t0, 0x00082028
+ vsetivli zero, 1, e32, m1, ta, ma
+ vmv.v.x INDICES, t0
+ addi STATEP_C, STATEP, 16
+ vsetivli zero, 4, e64, m2, ta, ma
+ vluxei8.v FEBA, (STATEP), INDICES
+ vluxei8.v HGDC, (STATEP_C), INDICES
+
+.Lnext_block:
+ la K, K512
+ addi NUM_BLOCKS, NUM_BLOCKS, -1
+
+ // Save the previous state, as it's needed later.
+ vmv.v.v PREV_FEBA, FEBA
+ vmv.v.v PREV_HGDC, HGDC
+
+ // Load the next 1024-bit message block and endian-swap each 64-bit word
+ vle64.v W0, (DATA)
+ vrev8.v W0, W0
+ addi DATA, DATA, 32
+ vle64.v W1, (DATA)
+ vrev8.v W1, W1
+ addi DATA, DATA, 32
+ vle64.v W2, (DATA)
+ vrev8.v W2, W2
+ addi DATA, DATA, 32
+ vle64.v W3, (DATA)
+ vrev8.v W3, W3
+ addi DATA, DATA, 32
+
+ // Do the 80 rounds of SHA-512.
+ sha512_16rounds 0
+ sha512_16rounds 0
+ sha512_16rounds 0
+ sha512_16rounds 0
+ sha512_16rounds 1
+
+ // Add the previous state.
+ vadd.vv FEBA, FEBA, PREV_FEBA
+ vadd.vv HGDC, HGDC, PREV_HGDC
+
+ // Repeat if more blocks remain.
+ bnez NUM_BLOCKS, .Lnext_block
+
+ // Store the new state and return.
+ vsuxei8.v FEBA, (STATEP), INDICES
+ vsuxei8.v HGDC, (STATEP_C), INDICES
+ ret
+SYM_FUNC_END(sha512_transform_zvknhb_zvkb)
+
+.section ".rodata"
+.p2align 3
+.type K512, @object
+K512:
+ .dword 0x428a2f98d728ae22, 0x7137449123ef65cd
+ .dword 0xb5c0fbcfec4d3b2f, 0xe9b5dba58189dbbc
+ .dword 0x3956c25bf348b538, 0x59f111f1b605d019
+ .dword 0x923f82a4af194f9b, 0xab1c5ed5da6d8118
+ .dword 0xd807aa98a3030242, 0x12835b0145706fbe
+ .dword 0x243185be4ee4b28c, 0x550c7dc3d5ffb4e2
+ .dword 0x72be5d74f27b896f, 0x80deb1fe3b1696b1
+ .dword 0x9bdc06a725c71235, 0xc19bf174cf692694
+ .dword 0xe49b69c19ef14ad2, 0xefbe4786384f25e3
+ .dword 0x0fc19dc68b8cd5b5, 0x240ca1cc77ac9c65
+ .dword 0x2de92c6f592b0275, 0x4a7484aa6ea6e483
+ .dword 0x5cb0a9dcbd41fbd4, 0x76f988da831153b5
+ .dword 0x983e5152ee66dfab, 0xa831c66d2db43210
+ .dword 0xb00327c898fb213f, 0xbf597fc7beef0ee4
+ .dword 0xc6e00bf33da88fc2, 0xd5a79147930aa725
+ .dword 0x06ca6351e003826f, 0x142929670a0e6e70
+ .dword 0x27b70a8546d22ffc, 0x2e1b21385c26c926
+ .dword 0x4d2c6dfc5ac42aed, 0x53380d139d95b3df
+ .dword 0x650a73548baf63de, 0x766a0abb3c77b2a8
+ .dword 0x81c2c92e47edaee6, 0x92722c851482353b
+ .dword 0xa2bfe8a14cf10364, 0xa81a664bbc423001
+ .dword 0xc24b8b70d0f89791, 0xc76c51a30654be30
+ .dword 0xd192e819d6ef5218, 0xd69906245565a910
+ .dword 0xf40e35855771202a, 0x106aa07032bbd1b8
+ .dword 0x19a4c116b8d2d0c8, 0x1e376c085141ab53
+ .dword 0x2748774cdf8eeb99, 0x34b0bcb5e19b48a8
+ .dword 0x391c0cb3c5c95a63, 0x4ed8aa4ae3418acb
+ .dword 0x5b9cca4f7763e373, 0x682e6ff3d6b2b8a3
+ .dword 0x748f82ee5defb2fc, 0x78a5636f43172f60
+ .dword 0x84c87814a1f0ab72, 0x8cc702081a6439ec
+ .dword 0x90befffa23631e28, 0xa4506cebde82bde9
+ .dword 0xbef9a3f7b2c67915, 0xc67178f2e372532b
+ .dword 0xca273eceea26619c, 0xd186b8c721c0c207
+ .dword 0xeada7dd6cde0eb1e, 0xf57d4f7fee6ed178
+ .dword 0x06f067aa72176fba, 0x0a637dc5a2c898a6
+ .dword 0x113f9804bef90dae, 0x1b710b35131c471b
+ .dword 0x28db77f523047d84, 0x32caab7b40c72493
+ .dword 0x3c9ebe0a15c9bebc, 0x431d67c49c100d4c
+ .dword 0x4cc5d4becb3e42b6, 0x597f299cfc657e2a
+ .dword 0x5fcb6fab3ad6faec, 0x6c44198c4a475817
+.size K512, . - K512
--
GitLab
From 563a5255afa237c961c5c8c8c552425c519b88da Mon Sep 17 00:00:00 2001
From: Jerry Shih <jerry.shih@sifive.com>
Date: Sun, 21 Jan 2024 16:19:20 -0800
Subject: [PATCH 0039/2686] crypto: riscv - add vector crypto accelerated SM3
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add an implementation of SM3 using the Zvksh extension. The assembly
code is derived from OpenSSL code (openssl/openssl#21923) that was
dual-licensed so that it could be reused in the kernel. Nevertheless,
the assembly has been significantly reworked for integration with the
kernel, for example by using a regular .S file instead of the so-called
perlasm, using the assembler instead of bare '.inst', and greatly
reducing code duplication.
Co-developed-by: Christoph Müllner <christoph.muellner@vrull.eu>
Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
Co-developed-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Signed-off-by: Jerry Shih <jerry.shih@sifive.com>
Co-developed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240122002024.27477-10-ebiggers@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/crypto/Kconfig | 12 ++
arch/riscv/crypto/Makefile | 3 +
arch/riscv/crypto/sm3-riscv64-glue.c | 112 +++++++++++++++++++
arch/riscv/crypto/sm3-riscv64-zvksh-zvkb.S | 123 +++++++++++++++++++++
4 files changed, 250 insertions(+)
create mode 100644 arch/riscv/crypto/sm3-riscv64-glue.c
create mode 100644 arch/riscv/crypto/sm3-riscv64-zvksh-zvkb.S
diff --git a/arch/riscv/crypto/Kconfig b/arch/riscv/crypto/Kconfig
index 0fd0bf46c9099..179d09df8e0ca 100644
--- a/arch/riscv/crypto/Kconfig
+++ b/arch/riscv/crypto/Kconfig
@@ -61,4 +61,16 @@ config CRYPTO_SHA512_RISCV64
- Zvknhb vector crypto extension
- Zvkb vector crypto extension
+config CRYPTO_SM3_RISCV64
+ tristate "Hash functions: SM3 (ShangMi 3)"
+ depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
+ select CRYPTO_HASH
+ select CRYPTO_SM3
+ help
+ SM3 (ShangMi 3) secure hash function (OSCCA GM/T 0004-2012)
+
+ Architecture: riscv64 using:
+ - Zvksh vector crypto extension
+ - Zvkb vector crypto extension
+
endmenu
diff --git a/arch/riscv/crypto/Makefile b/arch/riscv/crypto/Makefile
index 356a931db0eb7..da48977e96f58 100644
--- a/arch/riscv/crypto/Makefile
+++ b/arch/riscv/crypto/Makefile
@@ -15,3 +15,6 @@ sha256-riscv64-y := sha256-riscv64-glue.o sha256-riscv64-zvknha_or_zvknhb-zvkb.o
obj-$(CONFIG_CRYPTO_SHA512_RISCV64) += sha512-riscv64.o
sha512-riscv64-y := sha512-riscv64-glue.o sha512-riscv64-zvknhb-zvkb.o
+
+obj-$(CONFIG_CRYPTO_SM3_RISCV64) += sm3-riscv64.o
+sm3-riscv64-y := sm3-riscv64-glue.o sm3-riscv64-zvksh-zvkb.o
diff --git a/arch/riscv/crypto/sm3-riscv64-glue.c b/arch/riscv/crypto/sm3-riscv64-glue.c
new file mode 100644
index 0000000000000..e1737a970c7c9
--- /dev/null
+++ b/arch/riscv/crypto/sm3-riscv64-glue.c
@@ -0,0 +1,112 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * SM3 using the RISC-V vector crypto extensions
+ *
+ * Copyright (C) 2023 VRULL GmbH
+ * Author: Heiko Stuebner <heiko.stuebner@vrull.eu>
+ *
+ * Copyright (C) 2023 SiFive, Inc.
+ * Author: Jerry Shih <jerry.shih@sifive.com>
+ */
+
+#include <asm/simd.h>
+#include <asm/vector.h>
+#include <crypto/internal/hash.h>
+#include <crypto/internal/simd.h>
+#include <crypto/sm3_base.h>
+#include <linux/linkage.h>
+#include <linux/module.h>
+
+/*
+ * Note: the asm function only uses the 'state' field of struct sm3_state.
+ * It is assumed to be the first field.
+ */
+asmlinkage void sm3_transform_zvksh_zvkb(
+ struct sm3_state *state, const u8 *data, int num_blocks);
+
+static int riscv64_sm3_update(struct shash_desc *desc, const u8 *data,
+ unsigned int len)
+{
+ /*
+ * Ensure struct sm3_state begins directly with the SM3
+ * 256-bit internal state, as this is what the asm function expects.
+ */
+ BUILD_BUG_ON(offsetof(struct sm3_state, state) != 0);
+
+ if (crypto_simd_usable()) {
+ kernel_vector_begin();
+ sm3_base_do_update(desc, data, len, sm3_transform_zvksh_zvkb);
+ kernel_vector_end();
+ } else {
+ sm3_update(shash_desc_ctx(desc), data, len);
+ }
+ return 0;
+}
+
+static int riscv64_sm3_finup(struct shash_desc *desc, const u8 *data,
+ unsigned int len, u8 *out)
+{
+ struct sm3_state *ctx;
+
+ if (crypto_simd_usable()) {
+ kernel_vector_begin();
+ if (len)
+ sm3_base_do_update(desc, data, len,
+ sm3_transform_zvksh_zvkb);
+ sm3_base_do_finalize(desc, sm3_transform_zvksh_zvkb);
+ kernel_vector_end();
+
+ return sm3_base_finish(desc, out);
+ }
+
+ ctx = shash_desc_ctx(desc);
+ if (len)
+ sm3_update(ctx, data, len);
+ sm3_final(ctx, out);
+
+ return 0;
+}
+
+static int riscv64_sm3_final(struct shash_desc *desc, u8 *out)
+{
+ return riscv64_sm3_finup(desc, NULL, 0, out);
+}
+
+static struct shash_alg riscv64_sm3_alg = {
+ .init = sm3_base_init,
+ .update = riscv64_sm3_update,
+ .final = riscv64_sm3_final,
+ .finup = riscv64_sm3_finup,
+ .descsize = sizeof(struct sm3_state),
+ .digestsize = SM3_DIGEST_SIZE,
+ .base = {
+ .cra_blocksize = SM3_BLOCK_SIZE,
+ .cra_priority = 300,
+ .cra_name = "sm3",
+ .cra_driver_name = "sm3-riscv64-zvksh-zvkb",
+ .cra_module = THIS_MODULE,
+ },
+};
+
+static int __init riscv64_sm3_mod_init(void)
+{
+ if (riscv_isa_extension_available(NULL, ZVKSH) &&
+ riscv_isa_extension_available(NULL, ZVKB) &&
+ riscv_vector_vlen() >= 128)
+ return crypto_register_shash(&riscv64_sm3_alg);
+
+ return -ENODEV;
+}
+
+static void __exit riscv64_sm3_mod_exit(void)
+{
+ crypto_unregister_shash(&riscv64_sm3_alg);
+}
+
+module_init(riscv64_sm3_mod_init);
+module_exit(riscv64_sm3_mod_exit);
+
+MODULE_DESCRIPTION("SM3 (RISC-V accelerated)");
+MODULE_AUTHOR("Heiko Stuebner <heiko.stuebner@vrull.eu>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_CRYPTO("sm3");
diff --git a/arch/riscv/crypto/sm3-riscv64-zvksh-zvkb.S b/arch/riscv/crypto/sm3-riscv64-zvksh-zvkb.S
new file mode 100644
index 0000000000000..a2b65d961c04a
--- /dev/null
+++ b/arch/riscv/crypto/sm3-riscv64-zvksh-zvkb.S
@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause */
+//
+// This file is dual-licensed, meaning that you can use it under your
+// choice of either of the following two licenses:
+//
+// Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
+//
+// Licensed under the Apache License 2.0 (the "License"). You can obtain
+// a copy in the file LICENSE in the source distribution or at
+// https://www.openssl.org/source/license.html
+//
+// or
+//
+// Copyright (c) 2023, Christoph Müllner <christoph.muellner@vrull.eu>
+// Copyright (c) 2023, Jerry Shih <jerry.shih@sifive.com>
+// Copyright 2024 Google LLC
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// The generated code of this file depends on the following RISC-V extensions:
+// - RV64I
+// - RISC-V Vector ('V') with VLEN >= 128
+// - RISC-V Vector SM3 Secure Hash extension ('Zvksh')
+// - RISC-V Vector Cryptography Bit-manipulation extension ('Zvkb')
+
+#include <linux/cfi_types.h>
+
+.text
+.option arch, +zvksh, +zvkb
+
+#define STATEP a0
+#define DATA a1
+#define NUM_BLOCKS a2
+
+#define STATE v0 // LMUL=2
+#define PREV_STATE v2 // LMUL=2
+#define W0 v4 // LMUL=2
+#define W1 v6 // LMUL=2
+#define VTMP v8 // LMUL=2
+
+.macro sm3_8rounds i, w0, w1
+ // Do 4 rounds using W_{0+i}..W_{7+i}.
+ vsm3c.vi STATE, \w0, \i + 0
+ vslidedown.vi VTMP, \w0, 2
+ vsm3c.vi STATE, VTMP, \i + 1
+
+ // Compute W_{4+i}..W_{11+i}.
+ vslidedown.vi VTMP, \w0, 4
+ vslideup.vi VTMP, \w1, 4
+
+ // Do 4 rounds using W_{4+i}..W_{11+i}.
+ vsm3c.vi STATE, VTMP, \i + 2
+ vslidedown.vi VTMP, VTMP, 2
+ vsm3c.vi STATE, VTMP, \i + 3
+
+.if \i < 28
+ // Compute W_{16+i}..W_{23+i}.
+ vsm3me.vv \w0, \w1, \w0
+.endif
+ // For the next 8 rounds, w0 and w1 are swapped.
+.endm
+
+// void sm3_transform_zvksh_zvkb(u32 state[8], const u8 *data, int num_blocks);
+SYM_TYPED_FUNC_START(sm3_transform_zvksh_zvkb)
+
+ // Load the state and endian-swap each 32-bit word.
+ vsetivli zero, 8, e32, m2, ta, ma
+ vle32.v STATE, (STATEP)
+ vrev8.v STATE, STATE
+
+.Lnext_block:
+ addi NUM_BLOCKS, NUM_BLOCKS, -1
+
+ // Save the previous state, as it's needed later.
+ vmv.v.v PREV_STATE, STATE
+
+ // Load the next 512-bit message block into W0-W1.
+ vle32.v W0, (DATA)
+ addi DATA, DATA, 32
+ vle32.v W1, (DATA)
+ addi DATA, DATA, 32
+
+ // Do the 64 rounds of SM3.
+ sm3_8rounds 0, W0, W1
+ sm3_8rounds 4, W1, W0
+ sm3_8rounds 8, W0, W1
+ sm3_8rounds 12, W1, W0
+ sm3_8rounds 16, W0, W1
+ sm3_8rounds 20, W1, W0
+ sm3_8rounds 24, W0, W1
+ sm3_8rounds 28, W1, W0
+
+ // XOR in the previous state.
+ vxor.vv STATE, STATE, PREV_STATE
+
+ // Repeat if more blocks remain.
+ bnez NUM_BLOCKS, .Lnext_block
+
+ // Store the new state and return.
+ vrev8.v STATE, STATE
+ vse32.v STATE, (STATEP)
+ ret
+SYM_FUNC_END(sm3_transform_zvksh_zvkb)
--
GitLab
From b8d06352bbf397608a262c9d5f2b03ce32a3544a Mon Sep 17 00:00:00 2001
From: Jerry Shih <jerry.shih@sifive.com>
Date: Sun, 21 Jan 2024 16:19:21 -0800
Subject: [PATCH 0040/2686] crypto: riscv - add vector crypto accelerated SM4
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add an implementation of SM4 using the Zvksed extension. The assembly
code is derived from OpenSSL code (openssl/openssl#21923) that was
dual-licensed so that it could be reused in the kernel. Nevertheless,
the assembly has been significantly reworked for integration with the
kernel, for example by using a regular .S file instead of the so-called
perlasm, using the assembler instead of bare '.inst', and greatly
reducing code duplication.
Co-developed-by: Christoph Müllner <christoph.muellner@vrull.eu>
Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
Co-developed-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Signed-off-by: Jerry Shih <jerry.shih@sifive.com>
Co-developed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240122002024.27477-11-ebiggers@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/crypto/Kconfig | 17 +++
arch/riscv/crypto/Makefile | 3 +
arch/riscv/crypto/sm4-riscv64-glue.c | 107 ++++++++++++++++++
arch/riscv/crypto/sm4-riscv64-zvksed-zvkb.S | 117 ++++++++++++++++++++
4 files changed, 244 insertions(+)
create mode 100644 arch/riscv/crypto/sm4-riscv64-glue.c
create mode 100644 arch/riscv/crypto/sm4-riscv64-zvksed-zvkb.S
diff --git a/arch/riscv/crypto/Kconfig b/arch/riscv/crypto/Kconfig
index 179d09df8e0ca..2ad44e1d464af 100644
--- a/arch/riscv/crypto/Kconfig
+++ b/arch/riscv/crypto/Kconfig
@@ -73,4 +73,21 @@ config CRYPTO_SM3_RISCV64
- Zvksh vector crypto extension
- Zvkb vector crypto extension
+config CRYPTO_SM4_RISCV64
+ tristate "Ciphers: SM4 (ShangMi 4)"
+ depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
+ select CRYPTO_ALGAPI
+ select CRYPTO_SM4
+ help
+ SM4 block cipher algorithm (OSCCA GB/T 32907-2016,
+ ISO/IEC 18033-3:2010/Amd 1:2021)
+
+ SM4 (GBT.32907-2016) is a cryptographic standard issued by the
+ Organization of State Commercial Administration of China (OSCCA)
+ as an authorized cryptographic algorithm for use within China.
+
+ Architecture: riscv64 using:
+ - Zvksed vector crypto extension
+ - Zvkb vector crypto extension
+
endmenu
diff --git a/arch/riscv/crypto/Makefile b/arch/riscv/crypto/Makefile
index da48977e96f58..247c7bc7288ce 100644
--- a/arch/riscv/crypto/Makefile
+++ b/arch/riscv/crypto/Makefile
@@ -18,3 +18,6 @@ sha512-riscv64-y := sha512-riscv64-glue.o sha512-riscv64-zvknhb-zvkb.o
obj-$(CONFIG_CRYPTO_SM3_RISCV64) += sm3-riscv64.o
sm3-riscv64-y := sm3-riscv64-glue.o sm3-riscv64-zvksh-zvkb.o
+
+obj-$(CONFIG_CRYPTO_SM4_RISCV64) += sm4-riscv64.o
+sm4-riscv64-y := sm4-riscv64-glue.o sm4-riscv64-zvksed-zvkb.o
diff --git a/arch/riscv/crypto/sm4-riscv64-glue.c b/arch/riscv/crypto/sm4-riscv64-glue.c
new file mode 100644
index 0000000000000..47fb84ebe577d
--- /dev/null
+++ b/arch/riscv/crypto/sm4-riscv64-glue.c
@@ -0,0 +1,107 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * SM4 using the RISC-V vector crypto extensions
+ *
+ * Copyright (C) 2023 VRULL GmbH
+ * Author: Heiko Stuebner <heiko.stuebner@vrull.eu>
+ *
+ * Copyright (C) 2023 SiFive, Inc.
+ * Author: Jerry Shih <jerry.shih@sifive.com>
+ */
+
+#include <asm/simd.h>
+#include <asm/vector.h>
+#include <crypto/internal/cipher.h>
+#include <crypto/internal/simd.h>
+#include <crypto/sm4.h>
+#include <linux/linkage.h>
+#include <linux/module.h>
+
+asmlinkage void sm4_expandkey_zvksed_zvkb(const u8 user_key[SM4_KEY_SIZE],
+ u32 rkey_enc[SM4_RKEY_WORDS],
+ u32 rkey_dec[SM4_RKEY_WORDS]);
+asmlinkage void sm4_crypt_zvksed_zvkb(const u32 rkey[SM4_RKEY_WORDS],
+ const u8 in[SM4_BLOCK_SIZE],
+ u8 out[SM4_BLOCK_SIZE]);
+
+static int riscv64_sm4_setkey(struct crypto_tfm *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ struct sm4_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ if (crypto_simd_usable()) {
+ if (keylen != SM4_KEY_SIZE)
+ return -EINVAL;
+ kernel_vector_begin();
+ sm4_expandkey_zvksed_zvkb(key, ctx->rkey_enc, ctx->rkey_dec);
+ kernel_vector_end();
+ return 0;
+ }
+ return sm4_expandkey(ctx, key, keylen);
+}
+
+static void riscv64_sm4_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+ const struct sm4_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ if (crypto_simd_usable()) {
+ kernel_vector_begin();
+ sm4_crypt_zvksed_zvkb(ctx->rkey_enc, src, dst);
+ kernel_vector_end();
+ } else {
+ sm4_crypt_block(ctx->rkey_enc, dst, src);
+ }
+}
+
+static void riscv64_sm4_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+ const struct sm4_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ if (crypto_simd_usable()) {
+ kernel_vector_begin();
+ sm4_crypt_zvksed_zvkb(ctx->rkey_dec, src, dst);
+ kernel_vector_end();
+ } else {
+ sm4_crypt_block(ctx->rkey_dec, dst, src);
+ }
+}
+
+static struct crypto_alg riscv64_sm4_alg = {
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+ .cra_blocksize = SM4_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct sm4_ctx),
+ .cra_priority = 300,
+ .cra_name = "sm4",
+ .cra_driver_name = "sm4-riscv64-zvksed-zvkb",
+ .cra_cipher = {
+ .cia_min_keysize = SM4_KEY_SIZE,
+ .cia_max_keysize = SM4_KEY_SIZE,
+ .cia_setkey = riscv64_sm4_setkey,
+ .cia_encrypt = riscv64_sm4_encrypt,
+ .cia_decrypt = riscv64_sm4_decrypt,
+ },
+ .cra_module = THIS_MODULE,
+};
+
+static int __init riscv64_sm4_mod_init(void)
+{
+ if (riscv_isa_extension_available(NULL, ZVKSED) &&
+ riscv_isa_extension_available(NULL, ZVKB) &&
+ riscv_vector_vlen() >= 128)
+ return crypto_register_alg(&riscv64_sm4_alg);
+
+ return -ENODEV;
+}
+
+static void __exit riscv64_sm4_mod_exit(void)
+{
+ crypto_unregister_alg(&riscv64_sm4_alg);
+}
+
+module_init(riscv64_sm4_mod_init);
+module_exit(riscv64_sm4_mod_exit);
+
+MODULE_DESCRIPTION("SM4 (RISC-V accelerated)");
+MODULE_AUTHOR("Heiko Stuebner <heiko.stuebner@vrull.eu>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_CRYPTO("sm4");
diff --git a/arch/riscv/crypto/sm4-riscv64-zvksed-zvkb.S b/arch/riscv/crypto/sm4-riscv64-zvksed-zvkb.S
new file mode 100644
index 0000000000000..fae62179a4a3d
--- /dev/null
+++ b/arch/riscv/crypto/sm4-riscv64-zvksed-zvkb.S
@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause */
+//
+// This file is dual-licensed, meaning that you can use it under your
+// choice of either of the following two licenses:
+//
+// Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
+//
+// Licensed under the Apache License 2.0 (the "License"). You can obtain
+// a copy in the file LICENSE in the source distribution or at
+// https://www.openssl.org/source/license.html
+//
+// or
+//
+// Copyright (c) 2023, Christoph Müllner <christoph.muellner@vrull.eu>
+// Copyright (c) 2023, Jerry Shih <jerry.shih@sifive.com>
+// Copyright 2024 Google LLC
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// The generated code of this file depends on the following RISC-V extensions:
+// - RV64I
+// - RISC-V Vector ('V') with VLEN >= 128
+// - RISC-V Vector SM4 Block Cipher extension ('Zvksed')
+// - RISC-V Vector Cryptography Bit-manipulation extension ('Zvkb')
+
+#include <linux/linkage.h>
+
+.text
+.option arch, +zvksed, +zvkb
+
+// void sm4_expandkey_zksed_zvkb(const u8 user_key[16], u32 rkey_enc[32],
+// u32 rkey_dec[32]);
+SYM_FUNC_START(sm4_expandkey_zvksed_zvkb)
+ vsetivli zero, 4, e32, m1, ta, ma
+
+ // Load the user key.
+ vle32.v v1, (a0)
+ vrev8.v v1, v1
+
+ // XOR the user key with the family key.
+ la t0, FAMILY_KEY
+ vle32.v v2, (t0)
+ vxor.vv v1, v1, v2
+
+ // Compute the round keys. Store them in forwards order in rkey_enc
+ // and in reverse order in rkey_dec.
+ addi a2, a2, 31*4
+ li t0, -4
+ .set i, 0
+.rept 8
+ vsm4k.vi v1, v1, i
+ vse32.v v1, (a1) // Store to rkey_enc.
+ vsse32.v v1, (a2), t0 // Store to rkey_dec.
+.if i < 7
+ addi a1, a1, 16
+ addi a2, a2, -16
+.endif
+ .set i, i + 1
+.endr
+
+ ret
+SYM_FUNC_END(sm4_expandkey_zvksed_zvkb)
+
+// void sm4_crypt_zvksed_zvkb(const u32 rkey[32], const u8 in[16], u8 out[16]);
+SYM_FUNC_START(sm4_crypt_zvksed_zvkb)
+ vsetivli zero, 4, e32, m1, ta, ma
+
+ // Load the input data.
+ vle32.v v1, (a1)
+ vrev8.v v1, v1
+
+ // Do the 32 rounds of SM4, 4 at a time.
+ .set i, 0
+.rept 8
+ vle32.v v2, (a0)
+ vsm4r.vs v1, v2
+.if i < 7
+ addi a0, a0, 16
+.endif
+ .set i, i + 1
+.endr
+
+ // Store the output data (in reverse element order).
+ vrev8.v v1, v1
+ li t0, -4
+ addi a2, a2, 12
+ vsse32.v v1, (a2), t0
+
+ ret
+SYM_FUNC_END(sm4_crypt_zvksed_zvkb)
+
+.section ".rodata"
+.p2align 2
+.type FAMILY_KEY, @object
+FAMILY_KEY:
+ .word 0xA3B1BAC6, 0x56AA3350, 0x677D9197, 0xB27022DC
+.size FAMILY_KEY, . - FAMILY_KEY
--
GitLab
From d38e2e7bcb3e27d1d1433e5f7480f2a1ff6bcd98 Mon Sep 17 00:00:00 2001
From: Vincent Chen <vincent.chen@sifive.com>
Date: Tue, 5 Sep 2023 15:09:45 +0800
Subject: [PATCH 0041/2686] clocksource: extend the max_delta_ns of timer-riscv
and timer-clint to ULONG_MAX
When registering the riscv-timer or clint-timer as a clock_event device,
the driver needs to specify the value of max_delta_ticks. This value
directly influences the max_delta_ns, which represents the maximum time
interval for configuring subsequent clock events. Currently, both
riscv-timer and clint-timer are set with a max_delta_ticks value of
0x7fff_ffff. When the timer operates at a high frequency, this values
limists the system to sleep only for a short time. For the 1GHz case,
the sleep cannot exceed two seconds. To address this limitation, refer to
other timer implementations to extend it to 2^(bit-width of the timer) - 1.
Because the bit-width of $mtimecmp is 64bit, this value becomes ULONG_MAX
(0xffff_ffff_ffff_ffff).
Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
Link: https://lore.kernel.org/r/20230905070945.404653-1-vincent.chen@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
drivers/clocksource/timer-clint.c | 2 +-
drivers/clocksource/timer-riscv.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/clocksource/timer-clint.c b/drivers/clocksource/timer-clint.c
index 9a55e733ae995..09fd292eb83df 100644
--- a/drivers/clocksource/timer-clint.c
+++ b/drivers/clocksource/timer-clint.c
@@ -131,7 +131,7 @@ static int clint_timer_starting_cpu(unsigned int cpu)
struct clock_event_device *ce = per_cpu_ptr(&clint_clock_event, cpu);
ce->cpumask = cpumask_of(cpu);
- clockevents_config_and_register(ce, clint_timer_freq, 100, 0x7fffffff);
+ clockevents_config_and_register(ce, clint_timer_freq, 100, ULONG_MAX);
enable_percpu_irq(clint_timer_irq,
irq_get_trigger_type(clint_timer_irq));
diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c
index e66dcbd665665..87a7ac0ce6cec 100644
--- a/drivers/clocksource/timer-riscv.c
+++ b/drivers/clocksource/timer-riscv.c
@@ -114,7 +114,7 @@ static int riscv_timer_starting_cpu(unsigned int cpu)
ce->features |= CLOCK_EVT_FEAT_C3STOP;
if (static_branch_likely(&riscv_sstc_available))
ce->rating = 450;
- clockevents_config_and_register(ce, riscv_timebase, 100, 0x7fffffff);
+ clockevents_config_and_register(ce, riscv_timebase, 100, ULONG_MAX);
enable_percpu_irq(riscv_clock_event_irq,
irq_get_trigger_type(riscv_clock_event_irq));
--
GitLab
From dec6a613574cd3dea799170b7aaa8fd76e22f176 Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Thu, 11 Jan 2024 22:10:21 +0100
Subject: [PATCH 0042/2686] thunderbolt: Remove usage of the deprecated
ida_simple_xx() API
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
Note that the upper limit of ida_simple_get() is exclusive, but the one of
ida_alloc_range()/ida_alloc_max() is inclusive. So a -1 has been added
when needed.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/domain.c | 6 +++---
drivers/thunderbolt/nhi.c | 6 +++---
drivers/thunderbolt/nvm.c | 4 ++--
drivers/thunderbolt/switch.c | 6 +++---
drivers/thunderbolt/xdomain.c | 4 ++--
5 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/thunderbolt/domain.c b/drivers/thunderbolt/domain.c
index df0d845e069ac..ee8a894bd70d1 100644
--- a/drivers/thunderbolt/domain.c
+++ b/drivers/thunderbolt/domain.c
@@ -321,7 +321,7 @@ static void tb_domain_release(struct device *dev)
tb_ctl_free(tb->ctl);
destroy_workqueue(tb->wq);
- ida_simple_remove(&tb_domain_ida, tb->index);
+ ida_free(&tb_domain_ida, tb->index);
mutex_destroy(&tb->lock);
kfree(tb);
}
@@ -389,7 +389,7 @@ struct tb *tb_domain_alloc(struct tb_nhi *nhi, int timeout_msec, size_t privsize
tb->nhi = nhi;
mutex_init(&tb->lock);
- tb->index = ida_simple_get(&tb_domain_ida, 0, 0, GFP_KERNEL);
+ tb->index = ida_alloc(&tb_domain_ida, GFP_KERNEL);
if (tb->index < 0)
goto err_free;
@@ -413,7 +413,7 @@ struct tb *tb_domain_alloc(struct tb_nhi *nhi, int timeout_msec, size_t privsize
err_destroy_wq:
destroy_workqueue(tb->wq);
err_remove_ida:
- ida_simple_remove(&tb_domain_ida, tb->index);
+ ida_free(&tb_domain_ida, tb->index);
err_free:
kfree(tb);
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
index b22023fae60de..e8a4623dc5319 100644
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -465,7 +465,7 @@ static int ring_request_msix(struct tb_ring *ring, bool no_suspend)
if (!nhi->pdev->msix_enabled)
return 0;
- ret = ida_simple_get(&nhi->msix_ida, 0, MSIX_MAX_VECS, GFP_KERNEL);
+ ret = ida_alloc_max(&nhi->msix_ida, MSIX_MAX_VECS - 1, GFP_KERNEL);
if (ret < 0)
return ret;
@@ -485,7 +485,7 @@ static int ring_request_msix(struct tb_ring *ring, bool no_suspend)
return 0;
err_ida_remove:
- ida_simple_remove(&nhi->msix_ida, ring->vector);
+ ida_free(&nhi->msix_ida, ring->vector);
return ret;
}
@@ -496,7 +496,7 @@ static void ring_release_msix(struct tb_ring *ring)
return;
free_irq(ring->irq, ring);
- ida_simple_remove(&ring->nhi->msix_ida, ring->vector);
+ ida_free(&ring->nhi->msix_ida, ring->vector);
ring->vector = 0;
ring->irq = 0;
}
diff --git a/drivers/thunderbolt/nvm.c b/drivers/thunderbolt/nvm.c
index 69fb3b0fa34fa..8901db2de327c 100644
--- a/drivers/thunderbolt/nvm.c
+++ b/drivers/thunderbolt/nvm.c
@@ -330,7 +330,7 @@ struct tb_nvm *tb_nvm_alloc(struct device *dev)
if (!nvm)
return ERR_PTR(-ENOMEM);
- ret = ida_simple_get(&nvm_ida, 0, 0, GFP_KERNEL);
+ ret = ida_alloc(&nvm_ida, GFP_KERNEL);
if (ret < 0) {
kfree(nvm);
return ERR_PTR(ret);
@@ -528,7 +528,7 @@ void tb_nvm_free(struct tb_nvm *nvm)
nvmem_unregister(nvm->non_active);
nvmem_unregister(nvm->active);
vfree(nvm->buf);
- ida_simple_remove(&nvm_ida, nvm->id);
+ ida_free(&nvm_ida, nvm->id);
}
kfree(nvm);
}
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index bf1daf5165a4e..bca6f28c553b0 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -778,7 +778,7 @@ static int tb_port_alloc_hopid(struct tb_port *port, bool in, int min_hopid,
if (max_hopid < 0 || max_hopid > port_max_hopid)
max_hopid = port_max_hopid;
- return ida_simple_get(ida, min_hopid, max_hopid + 1, GFP_KERNEL);
+ return ida_alloc_range(ida, min_hopid, max_hopid, GFP_KERNEL);
}
/**
@@ -816,7 +816,7 @@ int tb_port_alloc_out_hopid(struct tb_port *port, int min_hopid, int max_hopid)
*/
void tb_port_release_in_hopid(struct tb_port *port, int hopid)
{
- ida_simple_remove(&port->in_hopids, hopid);
+ ida_free(&port->in_hopids, hopid);
}
/**
@@ -826,7 +826,7 @@ void tb_port_release_in_hopid(struct tb_port *port, int hopid)
*/
void tb_port_release_out_hopid(struct tb_port *port, int hopid)
{
- ida_simple_remove(&port->out_hopids, hopid);
+ ida_free(&port->out_hopids, hopid);
}
static inline bool tb_switch_is_reachable(const struct tb_switch *parent,
diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c
index 10693a3ac16dd..b48df88981bda 100644
--- a/drivers/thunderbolt/xdomain.c
+++ b/drivers/thunderbolt/xdomain.c
@@ -997,7 +997,7 @@ static void tb_service_release(struct device *dev)
struct tb_xdomain *xd = tb_service_parent(svc);
tb_service_debugfs_remove(svc);
- ida_simple_remove(&xd->service_ids, svc->id);
+ ida_free(&xd->service_ids, svc->id);
kfree(svc->key);
kfree(svc);
}
@@ -1099,7 +1099,7 @@ static void enumerate_services(struct tb_xdomain *xd)
break;
}
- id = ida_simple_get(&xd->service_ids, 0, 0, GFP_KERNEL);
+ id = ida_alloc(&xd->service_ids, GFP_KERNEL);
if (id < 0) {
kfree(svc->key);
kfree(svc);
--
GitLab
From e2d6b54b935a98c7d83f7e27597738be903d6703 Mon Sep 17 00:00:00 2001
From: Conor Dooley <conor.dooley@microchip.com>
Date: Wed, 2 Aug 2023 12:12:53 +0100
Subject: [PATCH 0043/2686] Revert "RISC-V: mark hibernation as nonportable"
Revert commit ed309ce52218 ("RISC-V: mark hibernation as nonportable")
as it appears the broken versions of OpenSBI have not made it to
production on any systems that support hibernation.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230802-chef-throng-d9de8b672a49@wendy
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/Kconfig | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 61826240926dc..a82bc8bed503c 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -1011,11 +1011,8 @@ menu "Power management options"
source "kernel/power/Kconfig"
-# Hibernation is only possible on systems where the SBI implementation has
-# marked its reserved memory as not accessible from, or does not run
-# from the same memory as, Linux
config ARCH_HIBERNATION_POSSIBLE
- def_bool NONPORTABLE
+ def_bool y
config ARCH_HIBERNATION_HEADER
def_bool HIBERNATION
--
GitLab
From 32381bbccba4c21145c571701f8f7fb1d9b3a92e Mon Sep 17 00:00:00 2001
From: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Date: Wed, 17 Jan 2024 14:53:11 +0100
Subject: [PATCH 0044/2686] remoteproc: stm32: Fix incorrect type in assignment
for va
The sparse tool complains about the attribute conversion between
a _iomem void * and a void *:
stm32_rproc.c:122:12: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *va @@ got void [noderef] __iomem * @@
stm32_rproc.c:122:12: sparse: expected void *va
stm32_rproc.c:122:12: sparse: got void [noderef] __iomem *
Add '__force' to explicitly specify that the cast is intentional.
This conversion is necessary to cast to virtual addresses pointer,used,
by the remoteproc core.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312150052.HCiNKlqB-lkp@intel.com/
Fixes: 13140de09cc2 ("remoteproc: stm32: add an ST stm32_rproc driver")
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Link: https://lore.kernel.org/r/20240117135312.3381936-2-arnaud.pouliquen@foss.st.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/stm32_rproc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 4f469f0bcf8b2..2c28635219ebf 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -120,7 +120,7 @@ static int stm32_rproc_mem_alloc(struct rproc *rproc,
void *va;
dev_dbg(dev, "map memory: %pad+%zx\n", &mem->dma, mem->len);
- va = ioremap_wc(mem->dma, mem->len);
+ va = (__force void *)ioremap_wc(mem->dma, mem->len);
if (IS_ERR_OR_NULL(va)) {
dev_err(dev, "Unable to map memory region: %pad+0x%zx\n",
&mem->dma, mem->len);
@@ -137,7 +137,7 @@ static int stm32_rproc_mem_release(struct rproc *rproc,
struct rproc_mem_entry *mem)
{
dev_dbg(rproc->dev.parent, "unmap memory: %pa\n", &mem->dma);
- iounmap(mem->va);
+ iounmap((__force __iomem void *)mem->va);
return 0;
}
--
GitLab
From c77b35ce66af25bdd6fde60b62e35b9b316ea5c2 Mon Sep 17 00:00:00 2001
From: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Date: Wed, 17 Jan 2024 14:53:12 +0100
Subject: [PATCH 0045/2686] remoteproc: stm32: Fix incorrect type assignment
returned by stm32_rproc_get_loaded_rsc_tablef
The sparse tool complains about the remove of the _iomem attribute.
stm32_rproc.c:660:17: warning: cast removes address space '__iomem' of expression
Add '__force' to explicitly specify that the cast is intentional.
This conversion is necessary to cast to addresses pointer,
which are then managed by the remoteproc core as a pointer to a
resource_table structure.
Fixes: 8a471396d21c ("remoteproc: stm32: Move resource table setup to rproc_ops")
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Link: https://lore.kernel.org/r/20240117135312.3381936-3-arnaud.pouliquen@foss.st.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/stm32_rproc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 2c28635219ebf..10b442c6f6323 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -657,7 +657,7 @@ stm32_rproc_get_loaded_rsc_table(struct rproc *rproc, size_t *table_sz)
* entire area by overwriting it with the initial values stored in rproc->clean_table.
*/
*table_sz = RSC_TBL_SIZE;
- return (struct resource_table *)ddata->rsc_va;
+ return (__force struct resource_table *)ddata->rsc_va;
}
static const struct rproc_ops st_rproc_ops = {
--
GitLab
From 9e65506ca9c7ff716c8441a33417820ad61d3a16 Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Fri, 29 Dec 2023 11:24:32 +0200
Subject: [PATCH 0046/2686] iio: pressure: mprls0025pa fix off-by-one enum
Fix off-by-one error in transfer-function property.
The honeywell,transfer-function property takes values between 1-3 so
make sure the proper enum gets used.
Fixes: 713337d9143ed ("iio: pressure: Honeywell mprls0025pa pressure sensor")
Co-developed-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20231229092445.30180-5-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/pressure/mprls0025pa.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/pressure/mprls0025pa.c b/drivers/iio/pressure/mprls0025pa.c
index 30fb2de368210..e3f0de020a40c 100644
--- a/drivers/iio/pressure/mprls0025pa.c
+++ b/drivers/iio/pressure/mprls0025pa.c
@@ -323,6 +323,7 @@ static int mpr_probe(struct i2c_client *client)
struct iio_dev *indio_dev;
struct device *dev = &client->dev;
s64 scale, offset;
+ u32 func;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_BYTE))
return dev_err_probe(dev, -EOPNOTSUPP,
@@ -362,10 +363,11 @@ static int mpr_probe(struct i2c_client *client)
return dev_err_probe(dev, ret,
"honeywell,pmax-pascal could not be read\n");
ret = device_property_read_u32(dev,
- "honeywell,transfer-function", &data->function);
+ "honeywell,transfer-function", &func);
if (ret)
return dev_err_probe(dev, ret,
"honeywell,transfer-function could not be read\n");
+ data->function = func - 1;
if (data->function > MPR_FUNCTION_C)
return dev_err_probe(dev, -EINVAL,
"honeywell,transfer-function %d invalid\n",
--
GitLab
From 0a0fb0e63e5178905e9fdba8195686b4e2de26c4 Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Fri, 29 Dec 2023 11:24:33 +0200
Subject: [PATCH 0047/2686] iio: pressure: mprls0025pa improve driver error
resilience
Improve driver error resilience by ignoring the measurement if any of
the 3 error flags gets set while interacting with the sensor.
Based on the datasheet, in table 14 on page 14, the status byte
contains:
bit 5 busy flag - 1 if device is busy
bit 2 memory integrity/error flag - 1 if integrity test failed
bit 0 math saturation - 1 if internal math saturation has occurred
Co-developed-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20231229092445.30180-6-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/pressure/mprls0025pa.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/pressure/mprls0025pa.c b/drivers/iio/pressure/mprls0025pa.c
index e3f0de020a40c..233cc1dc38ad5 100644
--- a/drivers/iio/pressure/mprls0025pa.c
+++ b/drivers/iio/pressure/mprls0025pa.c
@@ -39,6 +39,8 @@
#define MPR_I2C_MEMORY BIT(2) /* integrity test passed */
#define MPR_I2C_MATH BIT(0) /* internal math saturation */
+#define MPR_I2C_ERR_FLAG (MPR_I2C_BUSY | MPR_I2C_MEMORY | MPR_I2C_MATH)
+
/*
* support _RAW sysfs interface:
*
@@ -213,7 +215,7 @@ static int mpr_read_pressure(struct mpr_data *data, s32 *press)
status);
return status;
}
- if (!(status & MPR_I2C_BUSY))
+ if (!(status & MPR_I2C_ERR_FLAG))
break;
}
if (i == nloops) {
@@ -233,7 +235,7 @@ static int mpr_read_pressure(struct mpr_data *data, s32 *press)
return -EIO;
}
- if (buf[0] & MPR_I2C_BUSY) {
+ if (buf[0] & MPR_I2C_ERR_FLAG) {
/*
* it should never be the case that status still indicates
* business
--
GitLab
From b586b40e1952a343ae68142d16512f39596ca71b Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Fri, 29 Dec 2023 11:24:34 +0200
Subject: [PATCH 0048/2686] iio: pressure: mprls0025pa remove defaults
This driver supports 32*3 combinations of fixed ranges and transfer
functions, plus custom ranges.
So statistically a user has more than 99% chance that the provided
default configuration will generate invalid pressure readings if the
bindings are not initialized and the driver is instantiated via sysfs.
The current patch removes this loophole making sure the driver loads
only if the firmware properties are present.
Co-developed-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20231229092445.30180-7-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/pressure/mprls0025pa.c | 48 +++++++++++++-----------------
1 file changed, 20 insertions(+), 28 deletions(-)
diff --git a/drivers/iio/pressure/mprls0025pa.c b/drivers/iio/pressure/mprls0025pa.c
index 233cc1dc38ad5..e0a2a60c62452 100644
--- a/drivers/iio/pressure/mprls0025pa.c
+++ b/drivers/iio/pressure/mprls0025pa.c
@@ -353,34 +353,26 @@ static int mpr_probe(struct i2c_client *client)
return dev_err_probe(dev, ret,
"can't get and enable vdd supply\n");
- if (dev_fwnode(dev)) {
- ret = device_property_read_u32(dev, "honeywell,pmin-pascal",
- &data->pmin);
- if (ret)
- return dev_err_probe(dev, ret,
- "honeywell,pmin-pascal could not be read\n");
- ret = device_property_read_u32(dev, "honeywell,pmax-pascal",
- &data->pmax);
- if (ret)
- return dev_err_probe(dev, ret,
- "honeywell,pmax-pascal could not be read\n");
- ret = device_property_read_u32(dev,
- "honeywell,transfer-function", &func);
- if (ret)
- return dev_err_probe(dev, ret,
- "honeywell,transfer-function could not be read\n");
- data->function = func - 1;
- if (data->function > MPR_FUNCTION_C)
- return dev_err_probe(dev, -EINVAL,
- "honeywell,transfer-function %d invalid\n",
- data->function);
- } else {
- /* when loaded as i2c device we need to use default values */
- dev_notice(dev, "firmware node not found; using defaults\n");
- data->pmin = 0;
- data->pmax = 172369; /* 25 psi */
- data->function = MPR_FUNCTION_A;
- }
+ ret = device_property_read_u32(dev, "honeywell,pmin-pascal",
+ &data->pmin);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "honeywell,pmin-pascal could not be read\n");
+ ret = device_property_read_u32(dev, "honeywell,pmax-pascal",
+ &data->pmax);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "honeywell,pmax-pascal could not be read\n");
+ ret = device_property_read_u32(dev,
+ "honeywell,transfer-function", &func);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "honeywell,transfer-function could not be read\n");
+ data->function = func - 1;
+ if (data->function > MPR_FUNCTION_C)
+ return dev_err_probe(dev, -EINVAL,
+ "honeywell,transfer-function %d invalid\n",
+ data->function);
data->outmin = mpr_func_spec[data->function].output_min;
data->outmax = mpr_func_spec[data->function].output_max;
--
GitLab
From 369cc90a020f1cbc5c08bd53a23fb0c69c4ec3df Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Fri, 29 Dec 2023 11:24:35 +0200
Subject: [PATCH 0049/2686] iio: pressure: mprls0025pa whitespace cleanup
Fix indentation and whitespace in code that will not get refactored.
Make URL inside comment copy-paste friendly.
Co-developed-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20231229092445.30180-8-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/pressure/mprls0025pa.c | 35 +++++++++++++++---------------
1 file changed, 17 insertions(+), 18 deletions(-)
diff --git a/drivers/iio/pressure/mprls0025pa.c b/drivers/iio/pressure/mprls0025pa.c
index e0a2a60c62452..fef3ca69c4f0c 100644
--- a/drivers/iio/pressure/mprls0025pa.c
+++ b/drivers/iio/pressure/mprls0025pa.c
@@ -5,10 +5,7 @@
* Copyright (c) Andreas Klinger <ak@it-klinger.de>
*
* Data sheet:
- * https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/
- * products/sensors/pressure-sensors/board-mount-pressure-sensors/
- * micropressure-mpr-series/documents/
- * sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf
+ * https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/micropressure-mpr-series/documents/sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf
*
* 7-bit I2C default slave address: 0x18
*/
@@ -84,9 +81,9 @@ struct mpr_func_spec {
};
static const struct mpr_func_spec mpr_func_spec[] = {
- [MPR_FUNCTION_A] = {.output_min = 1677722, .output_max = 15099494},
- [MPR_FUNCTION_B] = {.output_min = 419430, .output_max = 3774874},
- [MPR_FUNCTION_C] = {.output_min = 3355443, .output_max = 13421773},
+ [MPR_FUNCTION_A] = { .output_min = 1677722, .output_max = 15099494 },
+ [MPR_FUNCTION_B] = { .output_min = 419430, .output_max = 3774874 },
+ [MPR_FUNCTION_C] = { .output_min = 3355443, .output_max = 13421773 },
};
struct mpr_chan {
@@ -273,7 +270,7 @@ static irqreturn_t mpr_trigger_handler(int irq, void *p)
goto err;
iio_push_to_buffers_with_timestamp(indio_dev, &data->chan,
- iio_get_time_ns(indio_dev));
+ iio_get_time_ns(indio_dev));
err:
mutex_unlock(&data->lock);
@@ -351,7 +348,7 @@ static int mpr_probe(struct i2c_client *client)
ret = devm_regulator_get_enable(dev, "vdd");
if (ret)
return dev_err_probe(dev, ret,
- "can't get and enable vdd supply\n");
+ "can't get and enable vdd supply\n");
ret = device_property_read_u32(dev, "honeywell,pmin-pascal",
&data->pmin);
@@ -379,42 +376,44 @@ static int mpr_probe(struct i2c_client *client)
/* use 64 bit calculation for preserving a reasonable precision */
scale = div_s64(((s64)(data->pmax - data->pmin)) * NANO,
- data->outmax - data->outmin);
+ data->outmax - data->outmin);
data->scale = div_s64_rem(scale, NANO, &data->scale2);
/*
* multiply with NANO before dividing by scale and later divide by NANO
* again.
*/
offset = ((-1LL) * (s64)data->outmin) * NANO -
- div_s64(div_s64((s64)data->pmin * NANO, scale), NANO);
+ div_s64(div_s64((s64)data->pmin * NANO, scale), NANO);
data->offset = div_s64_rem(offset, NANO, &data->offset2);
if (data->irq > 0) {
ret = devm_request_irq(dev, data->irq, mpr_eoc_handler,
- IRQF_TRIGGER_RISING, client->name, data);
+ IRQF_TRIGGER_RISING,
+ client->name,
+ data);
if (ret)
return dev_err_probe(dev, ret,
- "request irq %d failed\n", data->irq);
+ "request irq %d failed\n", data->irq);
}
data->gpiod_reset = devm_gpiod_get_optional(dev, "reset",
- GPIOD_OUT_HIGH);
+ GPIOD_OUT_HIGH);
if (IS_ERR(data->gpiod_reset))
return dev_err_probe(dev, PTR_ERR(data->gpiod_reset),
- "request reset-gpio failed\n");
+ "request reset-gpio failed\n");
mpr_reset(data);
ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL,
- mpr_trigger_handler, NULL);
+ mpr_trigger_handler, NULL);
if (ret)
return dev_err_probe(dev, ret,
- "iio triggered buffer setup failed\n");
+ "iio triggered buffer setup failed\n");
ret = devm_iio_device_register(dev, indio_dev);
if (ret)
return dev_err_probe(dev, ret,
- "unable to register iio device\n");
+ "unable to register iio device\n");
return 0;
}
--
GitLab
From 63cd31d320b50b7e004964c04ce3e73935cd3873 Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Fri, 29 Dec 2023 11:24:36 +0200
Subject: [PATCH 0050/2686] iio: pressure: mprls0025pa refactor to split core
and i2c parts.
Refactor driver by splitting the code into core and i2c.
Seemingly redundant read/write function parameters are required for
compatibility with the SPI driver.
Co-developed-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20231229092445.30180-9-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
MAINTAINERS | 3 +-
drivers/iio/pressure/Kconfig | 6 +
drivers/iio/pressure/Makefile | 1 +
drivers/iio/pressure/mprls0025pa.c | 185 +++++++------------------
drivers/iio/pressure/mprls0025pa.h | 102 ++++++++++++++
drivers/iio/pressure/mprls0025pa_i2c.c | 100 +++++++++++++
6 files changed, 264 insertions(+), 133 deletions(-)
create mode 100644 drivers/iio/pressure/mprls0025pa.h
create mode 100644 drivers/iio/pressure/mprls0025pa_i2c.c
diff --git a/MAINTAINERS b/MAINTAINERS
index 8d1052fa6a692..e7deb25d24a5b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9790,10 +9790,11 @@ F: drivers/iio/pressure/hsc030pa*
HONEYWELL MPRLS0025PA PRESSURE SENSOR SERIES IIO DRIVER
M: Andreas Klinger <ak@it-klinger.de>
+M: Petre Rodan <petre.rodan@subdimension.ro>
L: linux-iio@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
-F: drivers/iio/pressure/mprls0025pa.c
+F: drivers/iio/pressure/mprls0025pa*
HP BIOSCFG DRIVER
M: Jorge Lopez <jorge.lopez2@hp.com>
diff --git a/drivers/iio/pressure/Kconfig b/drivers/iio/pressure/Kconfig
index 79adfd059c3a7..f03007cfec85d 100644
--- a/drivers/iio/pressure/Kconfig
+++ b/drivers/iio/pressure/Kconfig
@@ -182,6 +182,7 @@ config MPL3115
config MPRLS0025PA
tristate "Honeywell MPRLS0025PA (MicroPressure sensors series)"
depends on I2C
+ select MPRLS0025PA_I2C if I2C
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help
@@ -192,6 +193,11 @@ config MPRLS0025PA
To compile this driver as a module, choose M here: the module will be
called mprls0025pa.
+config MPRLS0025PA_I2C
+ tristate
+ depends on MPRLS0025PA
+ depends on I2C
+
config MS5611
tristate "Measurement Specialties MS5611 pressure sensor driver"
select IIO_BUFFER
diff --git a/drivers/iio/pressure/Makefile b/drivers/iio/pressure/Makefile
index b0f8b94662f20..7754135e190cc 100644
--- a/drivers/iio/pressure/Makefile
+++ b/drivers/iio/pressure/Makefile
@@ -24,6 +24,7 @@ obj-$(CONFIG_MPL115_I2C) += mpl115_i2c.o
obj-$(CONFIG_MPL115_SPI) += mpl115_spi.o
obj-$(CONFIG_MPL3115) += mpl3115.o
obj-$(CONFIG_MPRLS0025PA) += mprls0025pa.o
+obj-$(CONFIG_MPRLS0025PA_I2C) += mprls0025pa_i2c.o
obj-$(CONFIG_MS5611) += ms5611_core.o
obj-$(CONFIG_MS5611_I2C) += ms5611_i2c.o
obj-$(CONFIG_MS5611_SPI) += ms5611_spi.o
diff --git a/drivers/iio/pressure/mprls0025pa.c b/drivers/iio/pressure/mprls0025pa.c
index fef3ca69c4f0c..ce20cf362facf 100644
--- a/drivers/iio/pressure/mprls0025pa.c
+++ b/drivers/iio/pressure/mprls0025pa.c
@@ -7,12 +7,11 @@
* Data sheet:
* https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/micropressure-mpr-series/documents/sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf
*
- * 7-bit I2C default slave address: 0x18
*/
-#include <linux/delay.h>
-#include <linux/device.h>
-#include <linux/i2c.h>
+#include <linux/array_size.h>
+#include <linux/bitfield.h>
+#include <linux/bits.h>
#include <linux/math64.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
@@ -22,7 +21,6 @@
#include <linux/gpio/consumer.h>
#include <linux/iio/buffer.h>
-#include <linux/iio/iio.h>
#include <linux/iio/trigger_consumer.h>
#include <linux/iio/triggered_buffer.h>
@@ -30,13 +28,15 @@
#include <asm/unaligned.h>
-/* bits in i2c status byte */
-#define MPR_I2C_POWER BIT(6) /* device is powered */
-#define MPR_I2C_BUSY BIT(5) /* device is busy */
-#define MPR_I2C_MEMORY BIT(2) /* integrity test passed */
-#define MPR_I2C_MATH BIT(0) /* internal math saturation */
+#include "mprls0025pa.h"
-#define MPR_I2C_ERR_FLAG (MPR_I2C_BUSY | MPR_I2C_MEMORY | MPR_I2C_MATH)
+/* bits in status byte */
+#define MPR_ST_POWER BIT(6) /* device is powered */
+#define MPR_ST_BUSY BIT(5) /* device is busy */
+#define MPR_ST_MEMORY BIT(2) /* integrity test passed */
+#define MPR_ST_MATH BIT(0) /* internal math saturation */
+
+#define MPR_ST_ERR_FLAG (MPR_ST_BUSY | MPR_ST_MEMORY | MPR_ST_MATH)
/*
* support _RAW sysfs interface:
@@ -69,12 +69,6 @@
* transfer function B: 2.5% to 22.5% of 2^24
* transfer function C: 20% to 80% of 2^24
*/
-enum mpr_func_id {
- MPR_FUNCTION_A,
- MPR_FUNCTION_B,
- MPR_FUNCTION_C,
-};
-
struct mpr_func_spec {
u32 output_min;
u32 output_max;
@@ -86,45 +80,6 @@ static const struct mpr_func_spec mpr_func_spec[] = {
[MPR_FUNCTION_C] = { .output_min = 3355443, .output_max = 13421773 },
};
-struct mpr_chan {
- s32 pres; /* pressure value */
- s64 ts; /* timestamp */
-};
-
-struct mpr_data {
- struct i2c_client *client;
- struct mutex lock; /*
- * access to device during read
- */
- u32 pmin; /* minimal pressure in pascal */
- u32 pmax; /* maximal pressure in pascal */
- enum mpr_func_id function; /* transfer function */
- u32 outmin; /*
- * minimal numerical range raw
- * value from sensor
- */
- u32 outmax; /*
- * maximal numerical range raw
- * value from sensor
- */
- int scale; /* int part of scale */
- int scale2; /* nano part of scale */
- int offset; /* int part of offset */
- int offset2; /* nano part of offset */
- struct gpio_desc *gpiod_reset; /* reset */
- int irq; /*
- * end of conversion irq;
- * used to distinguish between
- * irq mode and reading in a
- * loop until data is ready
- */
- struct completion completion; /* handshake from irq to read */
- struct mpr_chan chan; /*
- * channel values for buffered
- * mode
- */
-};
-
static const struct iio_chan_spec mpr_channels[] = {
{
.type = IIO_PRESSURE,
@@ -152,11 +107,11 @@ static void mpr_reset(struct mpr_data *data)
}
/**
- * mpr_read_pressure() - Read pressure value from sensor via I2C
+ * mpr_read_pressure() - Read pressure value from sensor
* @data: Pointer to private data struct.
* @press: Output value read from sensor.
*
- * Reading from the sensor by sending and receiving I2C telegrams.
+ * Reading from the sensor by sending and receiving telegrams.
*
* If there is an end of conversion (EOC) interrupt registered the function
* waits for a maximum of one second for the interrupt.
@@ -169,25 +124,17 @@ static void mpr_reset(struct mpr_data *data)
*/
static int mpr_read_pressure(struct mpr_data *data, s32 *press)
{
- struct device *dev = &data->client->dev;
+ struct device *dev = data->dev;
int ret, i;
- u8 wdata[] = {0xAA, 0x00, 0x00};
- s32 status;
int nloops = 10;
- u8 buf[4];
reinit_completion(&data->completion);
- ret = i2c_master_send(data->client, wdata, sizeof(wdata));
+ ret = data->ops->write(data, MPR_CMD_SYNC, MPR_PKT_SYNC_LEN);
if (ret < 0) {
dev_err(dev, "error while writing ret: %d\n", ret);
return ret;
}
- if (ret != sizeof(wdata)) {
- dev_err(dev, "received size doesn't fit - ret: %d / %u\n", ret,
- (u32)sizeof(wdata));
- return -EIO;
- }
if (data->irq > 0) {
ret = wait_for_completion_timeout(&data->completion, HZ);
@@ -205,14 +152,14 @@ static int mpr_read_pressure(struct mpr_data *data, s32 *press)
* quite long
*/
usleep_range(5000, 10000);
- status = i2c_smbus_read_byte(data->client);
- if (status < 0) {
+ ret = data->ops->read(data, MPR_CMD_NOP, 1);
+ if (ret < 0) {
dev_err(dev,
"error while reading, status: %d\n",
- status);
- return status;
+ ret);
+ return ret;
}
- if (!(status & MPR_I2C_ERR_FLAG))
+ if (!(data->buffer[0] & MPR_ST_ERR_FLAG))
break;
}
if (i == nloops) {
@@ -221,29 +168,19 @@ static int mpr_read_pressure(struct mpr_data *data, s32 *press)
}
}
- ret = i2c_master_recv(data->client, buf, sizeof(buf));
- if (ret < 0) {
- dev_err(dev, "error in i2c_master_recv ret: %d\n", ret);
+ ret = data->ops->read(data, MPR_CMD_NOP, MPR_PKT_NOP_LEN);
+ if (ret < 0)
return ret;
- }
- if (ret != sizeof(buf)) {
- dev_err(dev, "received size doesn't fit - ret: %d / %u\n", ret,
- (u32)sizeof(buf));
- return -EIO;
- }
- if (buf[0] & MPR_I2C_ERR_FLAG) {
- /*
- * it should never be the case that status still indicates
- * business
- */
- dev_err(dev, "data still not ready: %08x\n", buf[0]);
+ if (data->buffer[0] & MPR_ST_ERR_FLAG) {
+ dev_err(data->dev,
+ "unexpected status byte %02x\n", data->buffer[0]);
return -ETIMEDOUT;
}
- *press = get_unaligned_be24(&buf[1]);
+ *press = get_unaligned_be24(&data->buffer[1]);
- dev_dbg(dev, "received: %*ph cnt: %d\n", ret, buf, *press);
+ dev_dbg(dev, "received: %*ph cnt: %d\n", ret, data->buffer, *press);
return 0;
}
@@ -315,26 +252,22 @@ static const struct iio_info mpr_info = {
.read_raw = &mpr_read_raw,
};
-static int mpr_probe(struct i2c_client *client)
+int mpr_common_probe(struct device *dev, const struct mpr_ops *ops, int irq)
{
int ret;
struct mpr_data *data;
struct iio_dev *indio_dev;
- struct device *dev = &client->dev;
s64 scale, offset;
u32 func;
- if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_BYTE))
- return dev_err_probe(dev, -EOPNOTSUPP,
- "I2C functionality not supported\n");
-
indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
if (!indio_dev)
- return dev_err_probe(dev, -ENOMEM, "couldn't get iio_dev\n");
+ return -ENOMEM;
data = iio_priv(indio_dev);
- data->client = client;
- data->irq = client->irq;
+ data->dev = dev;
+ data->ops = ops;
+ data->irq = irq;
mutex_init(&data->lock);
init_completion(&data->completion);
@@ -350,16 +283,10 @@ static int mpr_probe(struct i2c_client *client)
return dev_err_probe(dev, ret,
"can't get and enable vdd supply\n");
- ret = device_property_read_u32(dev, "honeywell,pmin-pascal",
- &data->pmin);
+ ret = data->ops->init(data->dev);
if (ret)
- return dev_err_probe(dev, ret,
- "honeywell,pmin-pascal could not be read\n");
- ret = device_property_read_u32(dev, "honeywell,pmax-pascal",
- &data->pmax);
- if (ret)
- return dev_err_probe(dev, ret,
- "honeywell,pmax-pascal could not be read\n");
+ return ret;
+
ret = device_property_read_u32(dev,
"honeywell,transfer-function", &func);
if (ret)
@@ -371,6 +298,21 @@ static int mpr_probe(struct i2c_client *client)
"honeywell,transfer-function %d invalid\n",
data->function);
+ ret = device_property_read_u32(dev, "honeywell,pmin-pascal",
+ &data->pmin);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "honeywell,pmin-pascal could not be read\n");
+ ret = device_property_read_u32(dev, "honeywell,pmax-pascal",
+ &data->pmax);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "honeywell,pmax-pascal could not be read\n");
+
+ if (data->pmin >= data->pmax)
+ return dev_err_probe(dev, -EINVAL,
+ "pressure limits are invalid\n");
+
data->outmin = mpr_func_spec[data->function].output_min;
data->outmax = mpr_func_spec[data->function].output_max;
@@ -389,7 +331,7 @@ static int mpr_probe(struct i2c_client *client)
if (data->irq > 0) {
ret = devm_request_irq(dev, data->irq, mpr_eoc_handler,
IRQF_TRIGGER_RISING,
- client->name,
+ dev_name(dev),
data);
if (ret)
return dev_err_probe(dev, ret,
@@ -417,29 +359,8 @@ static int mpr_probe(struct i2c_client *client)
return 0;
}
-
-static const struct of_device_id mpr_matches[] = {
- { .compatible = "honeywell,mprls0025pa" },
- { }
-};
-MODULE_DEVICE_TABLE(of, mpr_matches);
-
-static const struct i2c_device_id mpr_id[] = {
- { "mprls0025pa" },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, mpr_id);
-
-static struct i2c_driver mpr_driver = {
- .probe = mpr_probe,
- .id_table = mpr_id,
- .driver = {
- .name = "mprls0025pa",
- .of_match_table = mpr_matches,
- },
-};
-module_i2c_driver(mpr_driver);
+EXPORT_SYMBOL_NS(mpr_common_probe, IIO_HONEYWELL_MPRLS0025PA);
MODULE_AUTHOR("Andreas Klinger <ak@it-klinger.de>");
-MODULE_DESCRIPTION("Honeywell MPRLS0025PA I2C driver");
+MODULE_DESCRIPTION("Honeywell MPR pressure sensor core driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/iio/pressure/mprls0025pa.h b/drivers/iio/pressure/mprls0025pa.h
new file mode 100644
index 0000000000000..9d5c30afa9d69
--- /dev/null
+++ b/drivers/iio/pressure/mprls0025pa.h
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * MPRLS0025PA - Honeywell MicroPressure pressure sensor series driver
+ *
+ * Copyright (c) Andreas Klinger <ak@it-klinger.de>
+ *
+ * Data sheet:
+ * https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/micropressure-mpr-series/documents/sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf
+ */
+
+#ifndef _MPRLS0025PA_H
+#define _MPRLS0025PA_H
+
+#include <linux/completion.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/mutex.h>
+#include <linux/stddef.h>
+#include <linux/types.h>
+
+#include <linux/iio/iio.h>
+
+#define MPR_MEASUREMENT_RD_SIZE 4
+#define MPR_CMD_NOP 0xf0
+#define MPR_CMD_SYNC 0xaa
+#define MPR_PKT_NOP_LEN MPR_MEASUREMENT_RD_SIZE
+#define MPR_PKT_SYNC_LEN 3
+
+struct device;
+
+struct iio_chan_spec;
+struct iio_dev;
+
+struct mpr_data;
+struct mpr_ops;
+
+/**
+ * struct mpr_chan
+ * @pres: pressure value
+ * @ts: timestamp
+ */
+struct mpr_chan {
+ s32 pres;
+ s64 ts;
+};
+
+enum mpr_func_id {
+ MPR_FUNCTION_A,
+ MPR_FUNCTION_B,
+ MPR_FUNCTION_C,
+};
+
+/**
+ * struct mpr_data
+ * @dev: current device structure
+ * @ops: functions that implement the sensor reads/writes, bus init
+ * @lock: access to device during read
+ * @pmin: minimal pressure in pascal
+ * @pmax: maximal pressure in pascal
+ * @function: transfer function
+ * @outmin: minimum raw pressure in counts (based on transfer function)
+ * @outmax: maximum raw pressure in counts (based on transfer function)
+ * @scale: pressure scale
+ * @scale2: pressure scale, decimal number
+ * @offset: pressure offset
+ * @offset2: pressure offset, decimal number
+ * @gpiod_reset: reset
+ * @irq: end of conversion irq. used to distinguish between irq mode and
+ * reading in a loop until data is ready
+ * @completion: handshake from irq to read
+ * @chan: channel values for buffered mode
+ * @buffer: raw conversion data
+ */
+struct mpr_data {
+ struct device *dev;
+ const struct mpr_ops *ops;
+ struct mutex lock;
+ u32 pmin;
+ u32 pmax;
+ enum mpr_func_id function;
+ u32 outmin;
+ u32 outmax;
+ int scale;
+ int scale2;
+ int offset;
+ int offset2;
+ struct gpio_desc *gpiod_reset;
+ int irq;
+ struct completion completion;
+ struct mpr_chan chan;
+ u8 buffer[MPR_MEASUREMENT_RD_SIZE] __aligned(IIO_DMA_MINALIGN);
+};
+
+struct mpr_ops {
+ int (*init)(struct device *dev);
+ int (*read)(struct mpr_data *data, const u8 cmd, const u8 cnt);
+ int (*write)(struct mpr_data *data, const u8 cmd, const u8 cnt);
+};
+
+int mpr_common_probe(struct device *dev, const struct mpr_ops *ops, int irq);
+
+#endif
diff --git a/drivers/iio/pressure/mprls0025pa_i2c.c b/drivers/iio/pressure/mprls0025pa_i2c.c
new file mode 100644
index 0000000000000..7a5c5aa2b456b
--- /dev/null
+++ b/drivers/iio/pressure/mprls0025pa_i2c.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * MPRLS0025PA - Honeywell MicroPressure pressure sensor series driver
+ *
+ * Copyright (c) Andreas Klinger <ak@it-klinger.de>
+ *
+ * Data sheet:
+ * https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/micropressure-mpr-series/documents/sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/i2c.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/types.h>
+
+#include "mprls0025pa.h"
+
+static int mpr_i2c_init(struct device *unused)
+{
+ return 0;
+}
+
+static int mpr_i2c_read(struct mpr_data *data, const u8 unused, const u8 cnt)
+{
+ int ret;
+ struct i2c_client *client = to_i2c_client(data->dev);
+
+ if (cnt > MPR_MEASUREMENT_RD_SIZE)
+ return -EOVERFLOW;
+
+ memset(data->buffer, 0, MPR_MEASUREMENT_RD_SIZE);
+ ret = i2c_master_recv(client, data->buffer, cnt);
+ if (ret < 0)
+ return ret;
+ else if (ret != cnt)
+ return -EIO;
+
+ return 0;
+}
+
+static int mpr_i2c_write(struct mpr_data *data, const u8 cmd, const u8 unused)
+{
+ int ret;
+ struct i2c_client *client = to_i2c_client(data->dev);
+ u8 wdata[MPR_PKT_SYNC_LEN];
+
+ memset(wdata, 0, sizeof(wdata));
+ wdata[0] = cmd;
+
+ ret = i2c_master_send(client, wdata, MPR_PKT_SYNC_LEN);
+ if (ret < 0)
+ return ret;
+ else if (ret != MPR_PKT_SYNC_LEN)
+ return -EIO;
+
+ return 0;
+}
+
+static const struct mpr_ops mpr_i2c_ops = {
+ .init = mpr_i2c_init,
+ .read = mpr_i2c_read,
+ .write = mpr_i2c_write,
+};
+
+static int mpr_i2c_probe(struct i2c_client *client)
+{
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_BYTE))
+ return -EOPNOTSUPP;
+
+ return mpr_common_probe(&client->dev, &mpr_i2c_ops, client->irq);
+}
+
+static const struct of_device_id mpr_i2c_match[] = {
+ { .compatible = "honeywell,mprls0025pa" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, mpr_i2c_match);
+
+static const struct i2c_device_id mpr_i2c_id[] = {
+ { "mprls0025pa" },
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, mpr_i2c_id);
+
+static struct i2c_driver mpr_i2c_driver = {
+ .probe = mpr_i2c_probe,
+ .id_table = mpr_i2c_id,
+ .driver = {
+ .name = "mprls0025pa",
+ .of_match_table = mpr_i2c_match,
+ },
+};
+module_i2c_driver(mpr_i2c_driver);
+
+MODULE_AUTHOR("Andreas Klinger <ak@it-klinger.de>");
+MODULE_DESCRIPTION("Honeywell MPR pressure sensor i2c driver");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_HONEYWELL_MPRLS0025PA);
--
GitLab
From d8fd0449e2208407a2f4b191b6d4161203c50f0c Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Fri, 29 Dec 2023 11:24:37 +0200
Subject: [PATCH 0051/2686] iio: pressure: mprls0025pa add triplet property
Add honeywell,pressure-triplet property that automatically initializes
pmin-pascal, pmax-pascal so that the user is not required to look-up
the chip in the datasheet and convert various units to pascals himself.
Co-developed-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20231229092445.30180-10-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/pressure/mprls0025pa.c | 105 ++++++++++++++++++++++++++---
1 file changed, 97 insertions(+), 8 deletions(-)
diff --git a/drivers/iio/pressure/mprls0025pa.c b/drivers/iio/pressure/mprls0025pa.c
index ce20cf362facf..33a15d4c642c0 100644
--- a/drivers/iio/pressure/mprls0025pa.c
+++ b/drivers/iio/pressure/mprls0025pa.c
@@ -80,6 +80,78 @@ static const struct mpr_func_spec mpr_func_spec[] = {
[MPR_FUNCTION_C] = { .output_min = 3355443, .output_max = 13421773 },
};
+enum mpr_variants {
+ MPR0001BA = 0x00, MPR01_6BA = 0x01, MPR02_5BA = 0x02, MPR0060MG = 0x03,
+ MPR0100MG = 0x04, MPR0160MG = 0x05, MPR0250MG = 0x06, MPR0400MG = 0x07,
+ MPR0600MG = 0x08, MPR0001BG = 0x09, MPR01_6BG = 0x0a, MPR02_5BG = 0x0b,
+ MPR0100KA = 0x0c, MPR0160KA = 0x0d, MPR0250KA = 0x0e, MPR0006KG = 0x0f,
+ MPR0010KG = 0x10, MPR0016KG = 0x11, MPR0025KG = 0x12, MPR0040KG = 0x13,
+ MPR0060KG = 0x14, MPR0100KG = 0x15, MPR0160KG = 0x16, MPR0250KG = 0x17,
+ MPR0015PA = 0x18, MPR0025PA = 0x19, MPR0030PA = 0x1a, MPR0001PG = 0x1b,
+ MPR0005PG = 0x1c, MPR0015PG = 0x1d, MPR0030PG = 0x1e, MPR0300YG = 0x1f,
+ MPR_VARIANTS_MAX
+};
+
+static const char * const mpr_triplet_variants[MPR_VARIANTS_MAX] = {
+ [MPR0001BA] = "0001BA", [MPR01_6BA] = "01.6BA", [MPR02_5BA] = "02.5BA",
+ [MPR0060MG] = "0060MG", [MPR0100MG] = "0100MG", [MPR0160MG] = "0160MG",
+ [MPR0250MG] = "0250MG", [MPR0400MG] = "0400MG", [MPR0600MG] = "0600MG",
+ [MPR0001BG] = "0001BG", [MPR01_6BG] = "01.6BG", [MPR02_5BG] = "02.5BG",
+ [MPR0100KA] = "0100KA", [MPR0160KA] = "0160KA", [MPR0250KA] = "0250KA",
+ [MPR0006KG] = "0006KG", [MPR0010KG] = "0010KG", [MPR0016KG] = "0016KG",
+ [MPR0025KG] = "0025KG", [MPR0040KG] = "0040KG", [MPR0060KG] = "0060KG",
+ [MPR0100KG] = "0100KG", [MPR0160KG] = "0160KG", [MPR0250KG] = "0250KG",
+ [MPR0015PA] = "0015PA", [MPR0025PA] = "0025PA", [MPR0030PA] = "0030PA",
+ [MPR0001PG] = "0001PG", [MPR0005PG] = "0005PG", [MPR0015PG] = "0015PG",
+ [MPR0030PG] = "0030PG", [MPR0300YG] = "0300YG"
+};
+
+/**
+ * struct mpr_range_config - list of pressure ranges based on nomenclature
+ * @pmin: lowest pressure that can be measured
+ * @pmax: highest pressure that can be measured
+ */
+struct mpr_range_config {
+ const s32 pmin;
+ const s32 pmax;
+};
+
+/* All min max limits have been converted to pascals */
+static const struct mpr_range_config mpr_range_config[MPR_VARIANTS_MAX] = {
+ [MPR0001BA] = { .pmin = 0, .pmax = 100000 },
+ [MPR01_6BA] = { .pmin = 0, .pmax = 160000 },
+ [MPR02_5BA] = { .pmin = 0, .pmax = 250000 },
+ [MPR0060MG] = { .pmin = 0, .pmax = 6000 },
+ [MPR0100MG] = { .pmin = 0, .pmax = 10000 },
+ [MPR0160MG] = { .pmin = 0, .pmax = 16000 },
+ [MPR0250MG] = { .pmin = 0, .pmax = 25000 },
+ [MPR0400MG] = { .pmin = 0, .pmax = 40000 },
+ [MPR0600MG] = { .pmin = 0, .pmax = 60000 },
+ [MPR0001BG] = { .pmin = 0, .pmax = 100000 },
+ [MPR01_6BG] = { .pmin = 0, .pmax = 160000 },
+ [MPR02_5BG] = { .pmin = 0, .pmax = 250000 },
+ [MPR0100KA] = { .pmin = 0, .pmax = 100000 },
+ [MPR0160KA] = { .pmin = 0, .pmax = 160000 },
+ [MPR0250KA] = { .pmin = 0, .pmax = 250000 },
+ [MPR0006KG] = { .pmin = 0, .pmax = 6000 },
+ [MPR0010KG] = { .pmin = 0, .pmax = 10000 },
+ [MPR0016KG] = { .pmin = 0, .pmax = 16000 },
+ [MPR0025KG] = { .pmin = 0, .pmax = 25000 },
+ [MPR0040KG] = { .pmin = 0, .pmax = 40000 },
+ [MPR0060KG] = { .pmin = 0, .pmax = 60000 },
+ [MPR0100KG] = { .pmin = 0, .pmax = 100000 },
+ [MPR0160KG] = { .pmin = 0, .pmax = 160000 },
+ [MPR0250KG] = { .pmin = 0, .pmax = 250000 },
+ [MPR0015PA] = { .pmin = 0, .pmax = 103421 },
+ [MPR0025PA] = { .pmin = 0, .pmax = 172369 },
+ [MPR0030PA] = { .pmin = 0, .pmax = 206843 },
+ [MPR0001PG] = { .pmin = 0, .pmax = 6895 },
+ [MPR0005PG] = { .pmin = 0, .pmax = 34474 },
+ [MPR0015PG] = { .pmin = 0, .pmax = 103421 },
+ [MPR0030PG] = { .pmin = 0, .pmax = 206843 },
+ [MPR0300YG] = { .pmin = 0, .pmax = 39997 }
+};
+
static const struct iio_chan_spec mpr_channels[] = {
{
.type = IIO_PRESSURE,
@@ -257,6 +329,7 @@ int mpr_common_probe(struct device *dev, const struct mpr_ops *ops, int irq)
int ret;
struct mpr_data *data;
struct iio_dev *indio_dev;
+ const char *triplet;
s64 scale, offset;
u32 func;
@@ -298,16 +371,32 @@ int mpr_common_probe(struct device *dev, const struct mpr_ops *ops, int irq)
"honeywell,transfer-function %d invalid\n",
data->function);
- ret = device_property_read_u32(dev, "honeywell,pmin-pascal",
- &data->pmin);
- if (ret)
- return dev_err_probe(dev, ret,
+ ret = device_property_read_string(dev, "honeywell,pressure-triplet",
+ &triplet);
+ if (ret) {
+ ret = device_property_read_u32(dev, "honeywell,pmin-pascal",
+ &data->pmin);
+ if (ret)
+ return dev_err_probe(dev, ret,
"honeywell,pmin-pascal could not be read\n");
- ret = device_property_read_u32(dev, "honeywell,pmax-pascal",
- &data->pmax);
- if (ret)
- return dev_err_probe(dev, ret,
+
+ ret = device_property_read_u32(dev, "honeywell,pmax-pascal",
+ &data->pmax);
+ if (ret)
+ return dev_err_probe(dev, ret,
"honeywell,pmax-pascal could not be read\n");
+ } else {
+ ret = device_property_match_property_string(dev,
+ "honeywell,pressure-triplet",
+ mpr_triplet_variants,
+ MPR_VARIANTS_MAX);
+ if (ret < 0)
+ return dev_err_probe(dev, -EINVAL,
+ "honeywell,pressure-triplet is invalid\n");
+
+ data->pmin = mpr_range_config[ret].pmin;
+ data->pmax = mpr_range_config[ret].pmax;
+ }
if (data->pmin >= data->pmax)
return dev_err_probe(dev, -EINVAL,
--
GitLab
From a0858f0cd28e822b91376ae288d5548bc1847531 Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Fri, 29 Dec 2023 11:24:38 +0200
Subject: [PATCH 0052/2686] iio: pressure: mprls0025pa add SPI driver
Add SPI component of the driver.
Tested-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20231229092445.30180-11-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/pressure/Kconfig | 8 ++-
drivers/iio/pressure/Makefile | 1 +
drivers/iio/pressure/mprls0025pa_spi.c | 92 ++++++++++++++++++++++++++
3 files changed, 100 insertions(+), 1 deletion(-)
create mode 100644 drivers/iio/pressure/mprls0025pa_spi.c
diff --git a/drivers/iio/pressure/Kconfig b/drivers/iio/pressure/Kconfig
index f03007cfec85d..5da7931dc537a 100644
--- a/drivers/iio/pressure/Kconfig
+++ b/drivers/iio/pressure/Kconfig
@@ -181,8 +181,9 @@ config MPL3115
config MPRLS0025PA
tristate "Honeywell MPRLS0025PA (MicroPressure sensors series)"
- depends on I2C
+ depends on (I2C || SPI_MASTER)
select MPRLS0025PA_I2C if I2C
+ select MPRLS0025PA_SPI if SPI_MASTER
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help
@@ -198,6 +199,11 @@ config MPRLS0025PA_I2C
depends on MPRLS0025PA
depends on I2C
+config MPRLS0025PA_SPI
+ tristate
+ depends on MPRLS0025PA
+ depends on SPI_MASTER
+
config MS5611
tristate "Measurement Specialties MS5611 pressure sensor driver"
select IIO_BUFFER
diff --git a/drivers/iio/pressure/Makefile b/drivers/iio/pressure/Makefile
index 7754135e190cc..a93709e357607 100644
--- a/drivers/iio/pressure/Makefile
+++ b/drivers/iio/pressure/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_MPL115_SPI) += mpl115_spi.o
obj-$(CONFIG_MPL3115) += mpl3115.o
obj-$(CONFIG_MPRLS0025PA) += mprls0025pa.o
obj-$(CONFIG_MPRLS0025PA_I2C) += mprls0025pa_i2c.o
+obj-$(CONFIG_MPRLS0025PA_SPI) += mprls0025pa_spi.o
obj-$(CONFIG_MS5611) += ms5611_core.o
obj-$(CONFIG_MS5611_I2C) += ms5611_i2c.o
obj-$(CONFIG_MS5611_SPI) += ms5611_spi.o
diff --git a/drivers/iio/pressure/mprls0025pa_spi.c b/drivers/iio/pressure/mprls0025pa_spi.c
new file mode 100644
index 0000000000000..3aed14cd95c5a
--- /dev/null
+++ b/drivers/iio/pressure/mprls0025pa_spi.c
@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * MPRLS0025PA - Honeywell MicroPressure MPR series SPI sensor driver
+ *
+ * Copyright (c) 2024 Petre Rodan <petre.rodan@subdimension.ro>
+ *
+ * Data sheet:
+ * https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/micropressure-mpr-series/documents/sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+#include <linux/stddef.h>
+#include <linux/types.h>
+
+#include "mprls0025pa.h"
+
+struct mpr_spi_buf {
+ u8 tx[MPR_MEASUREMENT_RD_SIZE] __aligned(IIO_DMA_MINALIGN);
+};
+
+static int mpr_spi_init(struct device *dev)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ struct mpr_spi_buf *buf;
+
+ buf = devm_kzalloc(dev, sizeof(*buf), GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ spi_set_drvdata(spi, buf);
+
+ return 0;
+}
+
+static int mpr_spi_xfer(struct mpr_data *data, const u8 cmd, const u8 pkt_len)
+{
+ struct spi_device *spi = to_spi_device(data->dev);
+ struct mpr_spi_buf *buf = spi_get_drvdata(spi);
+ struct spi_transfer xfer;
+
+ if (pkt_len > MPR_MEASUREMENT_RD_SIZE)
+ return -EOVERFLOW;
+
+ buf->tx[0] = cmd;
+ xfer.tx_buf = buf->tx;
+ xfer.rx_buf = data->buffer;
+ xfer.len = pkt_len;
+
+ return spi_sync_transfer(spi, &xfer, 1);
+}
+
+static const struct mpr_ops mpr_spi_ops = {
+ .init = mpr_spi_init,
+ .read = mpr_spi_xfer,
+ .write = mpr_spi_xfer,
+};
+
+static int mpr_spi_probe(struct spi_device *spi)
+{
+ return mpr_common_probe(&spi->dev, &mpr_spi_ops, spi->irq);
+}
+
+static const struct of_device_id mpr_spi_match[] = {
+ { .compatible = "honeywell,mprls0025pa" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, mpr_spi_match);
+
+static const struct spi_device_id mpr_spi_id[] = {
+ { "mprls0025pa" },
+ {}
+};
+MODULE_DEVICE_TABLE(spi, mpr_spi_id);
+
+static struct spi_driver mpr_spi_driver = {
+ .driver = {
+ .name = "mprls0025pa",
+ .of_match_table = mpr_spi_match,
+ },
+ .probe = mpr_spi_probe,
+ .id_table = mpr_spi_id,
+};
+module_spi_driver(mpr_spi_driver);
+
+MODULE_AUTHOR("Petre Rodan <petre.rodan@subdimension.ro>");
+MODULE_DESCRIPTION("Honeywell MPR pressure sensor spi driver");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_HONEYWELL_MPRLS0025PA);
--
GitLab
From e91847646081a4096173d43481577939ad054e88 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:34:51 +0000
Subject: [PATCH 0053/2686] iio: accel: da280: Stop using ACPI_PTR()
In general using ACPI_PTR() leads to more fragile code for a very
minor saving in storage in the case of !CONFIG_ACPI so in IIO we
prefer not to use it if the only ACPI specific code is the acpi_device_id
table.
In this case will also suppress a unused variable warning.
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202302142222.vVU0E4eu-lkp@intel.com/
Cc: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-2-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/da280.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/accel/da280.c b/drivers/iio/accel/da280.c
index 756e2ea7c0562..9922868288449 100644
--- a/drivers/iio/accel/da280.c
+++ b/drivers/iio/accel/da280.c
@@ -172,7 +172,7 @@ MODULE_DEVICE_TABLE(i2c, da280_i2c_id);
static struct i2c_driver da280_driver = {
.driver = {
.name = "da280",
- .acpi_match_table = ACPI_PTR(da280_acpi_match),
+ .acpi_match_table = da280_acpi_match,
.pm = pm_sleep_ptr(&da280_pm_ops),
},
.probe = da280_probe,
--
GitLab
From ab3764c77560a8cd1b2b22500494a7951f277522 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:34:52 +0000
Subject: [PATCH 0054/2686] iio: accel: kxcjk-1013: Move acpi_device_id table
under ifdef CONFIG_ACPI
This avoids a build warning due to the use of ACPI_PTR().
Given the driver already has APCI specific code under CONFIG_ACPI move
the table rather than removing the ACPI_PTR() call as we already
have the complexity of CONFIG_ACPI.
Dropped a pointless comma after {} terminator whilst moving the code.
Cc: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-3-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/kxcjk-1013.c | 33 +++++++++++++++++----------------
1 file changed, 17 insertions(+), 16 deletions(-)
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index 894709286b0cc..c5f5b1ce7954b 100644
--- a/drivers/iio/accel/kxcjk-1013.c
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -422,6 +422,23 @@ static int kiox010a_dsm(struct device *dev, int fn_index)
ACPI_FREE(obj);
return 0;
}
+
+static const struct acpi_device_id kx_acpi_match[] = {
+ {"KXCJ1013", KXCJK1013},
+ {"KXCJ1008", KXCJ91008},
+ {"KXCJ9000", KXCJ91008},
+ {"KIOX0008", KXCJ91008},
+ {"KIOX0009", KXTJ21009},
+ {"KIOX000A", KXCJ91008},
+ {"KIOX010A", KXCJ91008}, /* KXCJ91008 in the display of a yoga 2-in-1 */
+ {"KIOX020A", KXCJ91008}, /* KXCJ91008 in the base of a yoga 2-in-1 */
+ {"KXTJ1009", KXTJ21009},
+ {"KXJ2109", KXTJ21009},
+ {"SMO8500", KXCJ91008},
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, kx_acpi_match);
+
#endif
static int kxcjk1013_set_mode(struct kxcjk1013_data *data,
@@ -1687,22 +1704,6 @@ static const struct dev_pm_ops kxcjk1013_pm_ops = {
kxcjk1013_runtime_resume, NULL)
};
-static const struct acpi_device_id kx_acpi_match[] = {
- {"KXCJ1013", KXCJK1013},
- {"KXCJ1008", KXCJ91008},
- {"KXCJ9000", KXCJ91008},
- {"KIOX0008", KXCJ91008},
- {"KIOX0009", KXTJ21009},
- {"KIOX000A", KXCJ91008},
- {"KIOX010A", KXCJ91008}, /* KXCJ91008 in the display of a yoga 2-in-1 */
- {"KIOX020A", KXCJ91008}, /* KXCJ91008 in the base of a yoga 2-in-1 */
- {"KXTJ1009", KXTJ21009},
- {"KXJ2109", KXTJ21009},
- {"SMO8500", KXCJ91008},
- { },
-};
-MODULE_DEVICE_TABLE(acpi, kx_acpi_match);
-
static const struct i2c_device_id kxcjk1013_id[] = {
{"kxcjk1013", KXCJK1013},
{"kxcj91008", KXCJ91008},
--
GitLab
From 9b397c11e04adb86b8bbf2bd969ef6fad005f1ab Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:34:53 +0000
Subject: [PATCH 0055/2686] iio: accel: mma9551: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Whilst here tidy up a trivial bit of unusual indentation.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-4-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/mma9551.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/accel/mma9551.c b/drivers/iio/accel/mma9551.c
index d823f2edc6d42..083c08f65bafe 100644
--- a/drivers/iio/accel/mma9551.c
+++ b/drivers/iio/accel/mma9551.c
@@ -604,9 +604,9 @@ MODULE_DEVICE_TABLE(i2c, mma9551_id);
static struct i2c_driver mma9551_driver = {
.driver = {
.name = MMA9551_DRV_NAME,
- .acpi_match_table = ACPI_PTR(mma9551_acpi_match),
+ .acpi_match_table = mma9551_acpi_match,
.pm = pm_ptr(&mma9551_pm_ops),
- },
+ },
.probe = mma9551_probe,
.remove = mma9551_remove,
.id_table = mma9551_id,
--
GitLab
From 3572c3700ebd4e73da0ac236f573e53294414d31 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:34:54 +0000
Subject: [PATCH 0056/2686] iio: accel: mma9553: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Whilst here tidy up a trivial bit of unusual indentation.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-5-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/mma9553.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/accel/mma9553.c b/drivers/iio/accel/mma9553.c
index d01aba4aecba5..3cbd0fd4e6240 100644
--- a/drivers/iio/accel/mma9553.c
+++ b/drivers/iio/accel/mma9553.c
@@ -1243,9 +1243,9 @@ MODULE_DEVICE_TABLE(i2c, mma9553_id);
static struct i2c_driver mma9553_driver = {
.driver = {
.name = MMA9553_DRV_NAME,
- .acpi_match_table = ACPI_PTR(mma9553_acpi_match),
+ .acpi_match_table = mma9553_acpi_match,
.pm = pm_ptr(&mma9553_pm_ops),
- },
+ },
.probe = mma9553_probe,
.remove = mma9553_remove,
.id_table = mma9553_id,
--
GitLab
From a55c3fec3bf6710b0f43252c4954d2df3ecd48a6 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:34:55 +0000
Subject: [PATCH 0057/2686] iio: accel: mxc4005: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Switch include to mod_devicetable.h as that contains the only
ACPI specific definitions needed in this driver.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202311181952.1usxCcup-lkp@intel.com/
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-6-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/mxc4005.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/accel/mxc4005.c b/drivers/iio/accel/mxc4005.c
index 82e8d0b390495..8118cc13614a1 100644
--- a/drivers/iio/accel/mxc4005.c
+++ b/drivers/iio/accel/mxc4005.c
@@ -8,7 +8,7 @@
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/iio/iio.h>
-#include <linux/acpi.h>
+#include <linux/mod_devicetable.h>
#include <linux/regmap.h>
#include <linux/iio/sysfs.h>
#include <linux/iio/trigger.h>
@@ -493,7 +493,7 @@ MODULE_DEVICE_TABLE(i2c, mxc4005_id);
static struct i2c_driver mxc4005_driver = {
.driver = {
.name = MXC4005_DRV_NAME,
- .acpi_match_table = ACPI_PTR(mxc4005_acpi_match),
+ .acpi_match_table = mxc4005_acpi_match,
.of_match_table = mxc4005_of_match,
},
.probe = mxc4005_probe,
--
GitLab
From 39d76808a80a8b03a96151a9b7fddd76e386bbd9 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:34:56 +0000
Subject: [PATCH 0058/2686] iio: accel: mxc6255: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Switch include to mod_devicetable.h as that contains the only
ACPI specific definitions needed in this driver.
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-7-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/mxc6255.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/accel/mxc6255.c b/drivers/iio/accel/mxc6255.c
index 33c2253561e6b..ac228128c4f9e 100644
--- a/drivers/iio/accel/mxc6255.c
+++ b/drivers/iio/accel/mxc6255.c
@@ -12,7 +12,7 @@
#include <linux/init.h>
#include <linux/iio/iio.h>
#include <linux/delay.h>
-#include <linux/acpi.h>
+#include <linux/mod_devicetable.h>
#include <linux/regmap.h>
#include <linux/iio/sysfs.h>
@@ -181,7 +181,7 @@ MODULE_DEVICE_TABLE(i2c, mxc6255_id);
static struct i2c_driver mxc6255_driver = {
.driver = {
.name = MXC6255_DRV_NAME,
- .acpi_match_table = ACPI_PTR(mxc6255_acpi_match),
+ .acpi_match_table = mxc6255_acpi_match,
},
.probe = mxc6255_probe,
.id_table = mxc6255_id,
--
GitLab
From 095f3ed5833f55ae3f712b0dcc1bf58d2e03871d Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:34:57 +0000
Subject: [PATCH 0059/2686] iio: accel: stk8ba50: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Switch include to mod_devicetable.h as that contains the only
ACPI specific definitions needed in this driver.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-8-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/stk8ba50.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/accel/stk8ba50.c b/drivers/iio/accel/stk8ba50.c
index 3415ac1b44953..668edc88c89dc 100644
--- a/drivers/iio/accel/stk8ba50.c
+++ b/drivers/iio/accel/stk8ba50.c
@@ -7,11 +7,11 @@
* STK8BA50 7-bit I2C address: 0x18.
*/
-#include <linux/acpi.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/iio/buffer.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
@@ -541,7 +541,7 @@ static struct i2c_driver stk8ba50_driver = {
.driver = {
.name = "stk8ba50",
.pm = pm_sleep_ptr(&stk8ba50_pm_ops),
- .acpi_match_table = ACPI_PTR(stk8ba50_acpi_id),
+ .acpi_match_table = stk8ba50_acpi_id,
},
.probe = stk8ba50_probe,
.remove = stk8ba50_remove,
--
GitLab
From 3b63f5e8f78b0e7c1ebaf47ce192003a67d81c82 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:34:58 +0000
Subject: [PATCH 0060/2686] iio: accel: bmc150: Drop ACPI_PTR()
In general the complexity of avoiding maybe unused variable warnings is
not worth dealing with for the small amount of data saved. In thie
case, the i2c driver does include some other code under a CONFIG_ACPI
guard but remove the ACPI_PTR() usage anyway to bring keep it inline
with the spi driver.
Drop include of linux/acpi.h in the spi driver that doesn't need
it as struct acpi_device_id is defined in mod_devicetable.h which
is already included.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-9-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/bmc150-accel-i2c.c | 2 +-
drivers/iio/accel/bmc150-accel-spi.c | 3 +--
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/iio/accel/bmc150-accel-i2c.c b/drivers/iio/accel/bmc150-accel-i2c.c
index ee1ba134ad423..f08594b372cfc 100644
--- a/drivers/iio/accel/bmc150-accel-i2c.c
+++ b/drivers/iio/accel/bmc150-accel-i2c.c
@@ -266,7 +266,7 @@ static struct i2c_driver bmc150_accel_driver = {
.driver = {
.name = "bmc150_accel_i2c",
.of_match_table = bmc150_accel_of_match,
- .acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
+ .acpi_match_table = bmc150_accel_acpi_match,
.pm = &bmc150_accel_pm_ops,
},
.probe = bmc150_accel_probe,
diff --git a/drivers/iio/accel/bmc150-accel-spi.c b/drivers/iio/accel/bmc150-accel-spi.c
index 921fb46be0b8f..a6b9f599eb7bd 100644
--- a/drivers/iio/accel/bmc150-accel-spi.c
+++ b/drivers/iio/accel/bmc150-accel-spi.c
@@ -7,7 +7,6 @@
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
-#include <linux/acpi.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
@@ -70,7 +69,7 @@ MODULE_DEVICE_TABLE(spi, bmc150_accel_id);
static struct spi_driver bmc150_accel_driver = {
.driver = {
.name = "bmc150_accel_spi",
- .acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
+ .acpi_match_table = bmc150_accel_acpi_match,
.pm = &bmc150_accel_pm_ops,
},
.probe = bmc150_accel_probe,
--
GitLab
From fa9ab814e8e40cf9428d5ea46e2da09e3127561a Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:34:59 +0000
Subject: [PATCH 0061/2686] iio: gyro: bmg160: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Switch include to mod_devicetable.h as that contains the only
ACPI specific definitions needed in this driver.
Cc: Mike Looijmans <mike.looijmans@topic.nl>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-10-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/gyro/bmg160_i2c.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/gyro/bmg160_i2c.c b/drivers/iio/gyro/bmg160_i2c.c
index 2f9675596138b..9c8e20c25e96b 100644
--- a/drivers/iio/gyro/bmg160_i2c.c
+++ b/drivers/iio/gyro/bmg160_i2c.c
@@ -3,7 +3,7 @@
#include <linux/regmap.h>
#include <linux/iio/iio.h>
#include <linux/module.h>
-#include <linux/acpi.h>
+#include <linux/mod_devicetable.h>
#include "bmg160.h"
@@ -66,7 +66,7 @@ MODULE_DEVICE_TABLE(of, bmg160_of_match);
static struct i2c_driver bmg160_i2c_driver = {
.driver = {
.name = "bmg160_i2c",
- .acpi_match_table = ACPI_PTR(bmg160_acpi_match),
+ .acpi_match_table = bmg160_acpi_match,
.of_match_table = bmg160_of_match,
.pm = &bmg160_pm_ops,
},
--
GitLab
From 3049e64036d71f4e248beee94de26d47e64f05e6 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:00 +0000
Subject: [PATCH 0062/2686] iio: humidity: hts221: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Switch include to mod_devicetable.h as that contains the only
ACPI specific definitions needed in this driver.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-11-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/humidity/hts221_i2c.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/humidity/hts221_i2c.c b/drivers/iio/humidity/hts221_i2c.c
index 30f2068ea1566..5cb263e0ef5ac 100644
--- a/drivers/iio/humidity/hts221_i2c.c
+++ b/drivers/iio/humidity/hts221_i2c.c
@@ -9,7 +9,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/acpi.h>
+#include <linux/mod_devicetable.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/regmap.h>
@@ -63,7 +63,7 @@ static struct i2c_driver hts221_driver = {
.name = "hts221_i2c",
.pm = pm_sleep_ptr(&hts221_pm_ops),
.of_match_table = hts221_i2c_of_match,
- .acpi_match_table = ACPI_PTR(hts221_acpi_match),
+ .acpi_match_table = hts221_acpi_match,
},
.probe = hts221_i2c_probe,
.id_table = hts221_i2c_id_table,
--
GitLab
From 37b1ea30651ad80af158625250558851f4510f2e Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:01 +0000
Subject: [PATCH 0063/2686] iio: imu: fxos8700: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Drop unused acpi.h include.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202311231427.vEQAuxvI-lkp@intel.com/
Cc: Carlos Song <carlos.song@nxp.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-12-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/imu/fxos8700_i2c.c | 3 +--
drivers/iio/imu/fxos8700_spi.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/imu/fxos8700_i2c.c b/drivers/iio/imu/fxos8700_i2c.c
index 2ace306d0f9ab..e99677ad96a2f 100644
--- a/drivers/iio/imu/fxos8700_i2c.c
+++ b/drivers/iio/imu/fxos8700_i2c.c
@@ -10,7 +10,6 @@
* 1 | 0 | 0x1C
* 1 | 1 | 0x1F
*/
-#include <linux/acpi.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
@@ -57,7 +56,7 @@ MODULE_DEVICE_TABLE(of, fxos8700_of_match);
static struct i2c_driver fxos8700_i2c_driver = {
.driver = {
.name = "fxos8700_i2c",
- .acpi_match_table = ACPI_PTR(fxos8700_acpi_match),
+ .acpi_match_table = fxos8700_acpi_match,
.of_match_table = fxos8700_of_match,
},
.probe = fxos8700_i2c_probe,
diff --git a/drivers/iio/imu/fxos8700_spi.c b/drivers/iio/imu/fxos8700_spi.c
index 27e694cce173e..6b0dc7a776b9e 100644
--- a/drivers/iio/imu/fxos8700_spi.c
+++ b/drivers/iio/imu/fxos8700_spi.c
@@ -2,7 +2,6 @@
/*
* FXOS8700 - NXP IMU, SPI bits
*/
-#include <linux/acpi.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/regmap.h>
@@ -46,7 +45,7 @@ static struct spi_driver fxos8700_spi_driver = {
.probe = fxos8700_spi_probe,
.id_table = fxos8700_spi_id,
.driver = {
- .acpi_match_table = ACPI_PTR(fxos8700_acpi_match),
+ .acpi_match_table = fxos8700_acpi_match,
.of_match_table = fxos8700_of_match,
.name = "fxos8700_spi",
},
--
GitLab
From 3460cb9c6b86193b23f8bae4650f9fe9d0389f04 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:02 +0000
Subject: [PATCH 0064/2686] iio: imu: kmx61: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-13-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/imu/kmx61.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/imu/kmx61.c b/drivers/iio/imu/kmx61.c
index 958167b31241e..7d3e061f30463 100644
--- a/drivers/iio/imu/kmx61.c
+++ b/drivers/iio/imu/kmx61.c
@@ -1514,7 +1514,7 @@ MODULE_DEVICE_TABLE(i2c, kmx61_id);
static struct i2c_driver kmx61_driver = {
.driver = {
.name = KMX61_DRV_NAME,
- .acpi_match_table = ACPI_PTR(kmx61_acpi_match),
+ .acpi_match_table = kmx61_acpi_match,
.pm = pm_ptr(&kmx61_pm_ops),
},
.probe = kmx61_probe,
--
GitLab
From cc4ac27b4ac9076a384a78b773e75fc0c852bff9 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:03 +0000
Subject: [PATCH 0065/2686] iio: light: jsa1212: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Switch include from acpi.h to mod_devicetable.h which includes the
definition of struct acpi_device_id.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-14-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/jsa1212.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/light/jsa1212.c b/drivers/iio/light/jsa1212.c
index 37e2807041a1d..869196746045e 100644
--- a/drivers/iio/light/jsa1212.c
+++ b/drivers/iio/light/jsa1212.c
@@ -12,10 +12,10 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/mutex.h>
-#include <linux/acpi.h>
#include <linux/regmap.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
@@ -438,7 +438,7 @@ static struct i2c_driver jsa1212_driver = {
.driver = {
.name = JSA1212_DRIVER_NAME,
.pm = pm_sleep_ptr(&jsa1212_pm_ops),
- .acpi_match_table = ACPI_PTR(jsa1212_acpi_match),
+ .acpi_match_table = jsa1212_acpi_match,
},
.probe = jsa1212_probe,
.remove = jsa1212_remove,
--
GitLab
From 730697c1915ce2e58aa05ab4f87de73a404d9b65 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:04 +0000
Subject: [PATCH 0066/2686] iio: light: ltr501: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Include linux/mod_devicetable.h which includes the definition of
struct acpi_device_id (hence somewhat related to the main change)
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-15-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/ltr501.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c
index 061c122fdc5e7..8c516ede91161 100644
--- a/drivers/iio/light/ltr501.c
+++ b/drivers/iio/light/ltr501.c
@@ -10,6 +10,7 @@
*/
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/i2c.h>
#include <linux/err.h>
#include <linux/delay.h>
@@ -1639,7 +1640,7 @@ static struct i2c_driver ltr501_driver = {
.name = LTR501_DRV_NAME,
.of_match_table = ltr501_of_match,
.pm = pm_sleep_ptr(<r501_pm_ops),
- .acpi_match_table = ACPI_PTR(ltr_acpi_match),
+ .acpi_match_table = ltr_acpi_match,
},
.probe = ltr501_probe,
.remove = ltr501_remove,
--
GitLab
From 944ea6c36454c22f91e797f0f878776a4d7f8b43 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:05 +0000
Subject: [PATCH 0067/2686] iio: light: rpr0521: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Switch include from acpi.h to mod_devicetable.h which includes the
definition of struct acpi_device_id.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-16-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/rpr0521.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/light/rpr0521.c b/drivers/iio/light/rpr0521.c
index bbb8581622f29..40d5732b5e320 100644
--- a/drivers/iio/light/rpr0521.c
+++ b/drivers/iio/light/rpr0521.c
@@ -10,11 +10,11 @@
*/
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
#include <linux/delay.h>
-#include <linux/acpi.h>
#include <linux/iio/iio.h>
#include <linux/iio/buffer.h>
@@ -1119,7 +1119,7 @@ static struct i2c_driver rpr0521_driver = {
.driver = {
.name = RPR0521_DRV_NAME,
.pm = pm_ptr(&rpr0521_pm_ops),
- .acpi_match_table = ACPI_PTR(rpr0521_acpi_match),
+ .acpi_match_table = rpr0521_acpi_match,
},
.probe = rpr0521_probe,
.remove = rpr0521_remove,
--
GitLab
From 8b6522c614208e4b6201f373f55b7dd41bf3c5ea Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:06 +0000
Subject: [PATCH 0068/2686] iio: light: stk3310: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Switch include from acpi.h to mod_devicetable.h which includes the
definition of struct acpi_device_id.
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-17-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/stk3310.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c
index 72b08d870d337..7b71ad71d78de 100644
--- a/drivers/iio/light/stk3310.c
+++ b/drivers/iio/light/stk3310.c
@@ -7,11 +7,11 @@
* IIO driver for STK3310/STK3311. 7-bit I2C address: 0x48.
*/
-#include <linux/acpi.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/regmap.h>
#include <linux/iio/events.h>
#include <linux/iio/iio.h>
@@ -712,7 +712,7 @@ static struct i2c_driver stk3310_driver = {
.name = "stk3310",
.of_match_table = stk3310_of_match,
.pm = pm_sleep_ptr(&stk3310_pm_ops),
- .acpi_match_table = ACPI_PTR(stk3310_acpi_id),
+ .acpi_match_table = stk3310_acpi_id,
},
.probe = stk3310_probe,
.remove = stk3310_remove,
--
GitLab
From 92f82a9f2a8e1e4ad8893bd88d1ffb237237c6ea Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:07 +0000
Subject: [PATCH 0069/2686] iio: light: us5182d: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Switch include from acpi.h to mod_devicetable.h which includes the
definition of struct acpi_device_id.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202311190738.gldzuIXo-lkp@intel.com/
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-18-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/us5182d.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/light/us5182d.c b/drivers/iio/light/us5182d.c
index 61b3b2aea626f..9189a1d4d7e1a 100644
--- a/drivers/iio/light/us5182d.c
+++ b/drivers/iio/light/us5182d.c
@@ -9,7 +9,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/acpi.h>
+#include <linux/mod_devicetable.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/iio/events.h>
@@ -972,7 +972,7 @@ static struct i2c_driver us5182d_driver = {
.name = US5182D_DRV_NAME,
.pm = pm_ptr(&us5182d_pm_ops),
.of_match_table = us5182d_of_match,
- .acpi_match_table = ACPI_PTR(us5182d_acpi_match),
+ .acpi_match_table = us5182d_acpi_match,
},
.probe = us5182d_probe,
.remove = us5182d_remove,
--
GitLab
From e0d77ee640c3288edb6022971280f2a1ecd18a65 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:08 +0000
Subject: [PATCH 0070/2686] iio: magnetometer: bmc150: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Drop unused linux/acpi.h includes.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312040109.Csnmqnb2-lkp@intel.com/
Closes: https://lore.kernel.org/oe-kbuild-all/202311171116.47sUbZV5-lkp@intel.com/
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-19-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/magnetometer/bmc150_magn_i2c.c | 3 +--
drivers/iio/magnetometer/bmc150_magn_spi.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/magnetometer/bmc150_magn_i2c.c b/drivers/iio/magnetometer/bmc150_magn_i2c.c
index 281d1fa31c8e1..48d9c698f520e 100644
--- a/drivers/iio/magnetometer/bmc150_magn_i2c.c
+++ b/drivers/iio/magnetometer/bmc150_magn_i2c.c
@@ -11,7 +11,6 @@
#include <linux/mod_devicetable.h>
#include <linux/i2c.h>
#include <linux/module.h>
-#include <linux/acpi.h>
#include <linux/regmap.h>
#include "bmc150_magn.h"
@@ -68,7 +67,7 @@ static struct i2c_driver bmc150_magn_driver = {
.driver = {
.name = "bmc150_magn_i2c",
.of_match_table = bmc150_magn_of_match,
- .acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match),
+ .acpi_match_table = bmc150_magn_acpi_match,
.pm = &bmc150_magn_pm_ops,
},
.probe = bmc150_magn_i2c_probe,
diff --git a/drivers/iio/magnetometer/bmc150_magn_spi.c b/drivers/iio/magnetometer/bmc150_magn_spi.c
index 882987721071b..abc75a05c46af 100644
--- a/drivers/iio/magnetometer/bmc150_magn_spi.c
+++ b/drivers/iio/magnetometer/bmc150_magn_spi.c
@@ -10,7 +10,6 @@
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/spi/spi.h>
-#include <linux/acpi.h>
#include <linux/regmap.h>
#include "bmc150_magn.h"
@@ -55,7 +54,7 @@ static struct spi_driver bmc150_magn_spi_driver = {
.remove = bmc150_magn_spi_remove,
.id_table = bmc150_magn_spi_id,
.driver = {
- .acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match),
+ .acpi_match_table = bmc150_magn_acpi_match,
.name = "bmc150_magn_spi",
},
};
--
GitLab
From b87412052cbddf2d441dad93ea30296999600358 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:09 +0000
Subject: [PATCH 0071/2686] iio: magnetometer: mmc35240: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Switch include from acpi.h to mod_devicetable.h which includes the
definition of struct acpi_device_id.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-20-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/magnetometer/mmc35240.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/magnetometer/mmc35240.c b/drivers/iio/magnetometer/mmc35240.c
index b495b8a639284..6b9f4b0561912 100644
--- a/drivers/iio/magnetometer/mmc35240.c
+++ b/drivers/iio/magnetometer/mmc35240.c
@@ -10,11 +10,11 @@
*/
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/regmap.h>
-#include <linux/acpi.h>
#include <linux/pm.h>
#include <linux/iio/iio.h>
@@ -573,7 +573,7 @@ static struct i2c_driver mmc35240_driver = {
.name = MMC35240_DRV_NAME,
.of_match_table = mmc35240_of_match,
.pm = pm_sleep_ptr(&mmc35240_pm_ops),
- .acpi_match_table = ACPI_PTR(mmc35240_acpi_match),
+ .acpi_match_table = mmc35240_acpi_match,
},
.probe = mmc35240_probe,
.id_table = mmc35240_id,
--
GitLab
From 3c35281c8e7339ae9f6d452c4f32a2ac9a56a206 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:10 +0000
Subject: [PATCH 0072/2686] iio: potentiometer: max5487: Drop ACPI_PTR() usage
Avoiding unused variable warnings when using this macro adds
complexity that in simple cases like this one is not justified
for the small saving in data.
Switch include from acpi.h to mod_devicetable.h which includes the
definition of struct acpi_device_id.
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-21-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/potentiometer/max5487.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/potentiometer/max5487.c b/drivers/iio/potentiometer/max5487.c
index 42723c996c9f4..4838d2e72f53d 100644
--- a/drivers/iio/potentiometer/max5487.c
+++ b/drivers/iio/potentiometer/max5487.c
@@ -5,8 +5,8 @@
* Copyright (C) 2016 Cristina-Gabriela Moraru <cristina.moraru09@gmail.com>
*/
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/spi/spi.h>
-#include <linux/acpi.h>
#include <linux/iio/sysfs.h>
#include <linux/iio/iio.h>
@@ -144,7 +144,7 @@ MODULE_DEVICE_TABLE(acpi, max5487_acpi_match);
static struct spi_driver max5487_driver = {
.driver = {
.name = "max5487",
- .acpi_match_table = ACPI_PTR(max5487_acpi_match),
+ .acpi_match_table = max5487_acpi_match,
},
.id_table = max5487_id,
.probe = max5487_spi_probe,
--
GitLab
From 042ffa6daf6db36d387da66d49116557a93468e2 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:11 +0000
Subject: [PATCH 0073/2686] iio: st_sensors: drop ACPI_PTR() and CONFIG_ACPI
guards
The complexity of config guards needed for ACPI_PTR() is not worthwhile
for the small amount of saved data. This example was doing it correctly
but I am proposing dropping this so as to reduce chance of cut and paste
where it is done wrong. Also drop now unneeded linux/acpi.h include.
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Denis CIOCCA <denis.ciocca@st.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-22-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/st_accel_i2c.c | 5 +----
drivers/iio/pressure/st_pressure_i2c.c | 5 +----
2 files changed, 2 insertions(+), 8 deletions(-)
diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c
index 71ee861b29808..fd37498711215 100644
--- a/drivers/iio/accel/st_accel_i2c.c
+++ b/drivers/iio/accel/st_accel_i2c.c
@@ -10,7 +10,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
-#include <linux/acpi.h>
#include <linux/i2c.h>
#include <linux/iio/iio.h>
@@ -127,14 +126,12 @@ static const struct of_device_id st_accel_of_match[] = {
};
MODULE_DEVICE_TABLE(of, st_accel_of_match);
-#ifdef CONFIG_ACPI
static const struct acpi_device_id st_accel_acpi_match[] = {
{"SMO8840", (kernel_ulong_t)LIS2DH12_ACCEL_DEV_NAME},
{"SMO8A90", (kernel_ulong_t)LNG2DM_ACCEL_DEV_NAME},
{ },
};
MODULE_DEVICE_TABLE(acpi, st_accel_acpi_match);
-#endif
static const struct i2c_device_id st_accel_id_table[] = {
{ LSM303DLH_ACCEL_DEV_NAME },
@@ -204,7 +201,7 @@ static struct i2c_driver st_accel_driver = {
.driver = {
.name = "st-accel-i2c",
.of_match_table = st_accel_of_match,
- .acpi_match_table = ACPI_PTR(st_accel_acpi_match),
+ .acpi_match_table = st_accel_acpi_match,
},
.probe = st_accel_i2c_probe,
.id_table = st_accel_id_table,
diff --git a/drivers/iio/pressure/st_pressure_i2c.c b/drivers/iio/pressure/st_pressure_i2c.c
index 5101552e3f384..389523d6ae321 100644
--- a/drivers/iio/pressure/st_pressure_i2c.c
+++ b/drivers/iio/pressure/st_pressure_i2c.c
@@ -7,7 +7,6 @@
* Denis Ciocca <denis.ciocca@st.com>
*/
-#include <linux/acpi.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
@@ -55,13 +54,11 @@ static const struct of_device_id st_press_of_match[] = {
};
MODULE_DEVICE_TABLE(of, st_press_of_match);
-#ifdef CONFIG_ACPI
static const struct acpi_device_id st_press_acpi_match[] = {
{"SNO9210", LPS22HB},
{ },
};
MODULE_DEVICE_TABLE(acpi, st_press_acpi_match);
-#endif
static const struct i2c_device_id st_press_id_table[] = {
{ LPS001WP_PRESS_DEV_NAME, LPS001WP },
@@ -114,7 +111,7 @@ static struct i2c_driver st_press_driver = {
.driver = {
.name = "st-press-i2c",
.of_match_table = st_press_of_match,
- .acpi_match_table = ACPI_PTR(st_press_acpi_match),
+ .acpi_match_table = st_press_acpi_match,
},
.probe = st_press_i2c_probe,
.id_table = st_press_id_table,
--
GitLab
From 51feb3e35899837362f7a3864c198f9de52280e8 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:12 +0000
Subject: [PATCH 0074/2686] iio: pressure: hp206c: drop ACPI_PTR() and
CONFIG_ACPI guards
The complexity of config guards needed for ACPI_PTR() is not worthwhile
for the small amount of saved data. This example was doing it correctly
but I am proposing dropping this so as to reduce chance of cut and paste
where it is done wrong. Also drop now unneeded linux/acpi.h include and
added linux/mod_devicetable.h for struct acpi_device_id definition.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-23-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/pressure/hp206c.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/pressure/hp206c.c b/drivers/iio/pressure/hp206c.c
index a072de6cb59c7..261af1562827c 100644
--- a/drivers/iio/pressure/hp206c.c
+++ b/drivers/iio/pressure/hp206c.c
@@ -11,12 +11,12 @@
*/
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/i2c.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/delay.h>
#include <linux/util_macros.h>
-#include <linux/acpi.h>
#include <asm/unaligned.h>
@@ -400,20 +400,18 @@ static const struct i2c_device_id hp206c_id[] = {
};
MODULE_DEVICE_TABLE(i2c, hp206c_id);
-#ifdef CONFIG_ACPI
static const struct acpi_device_id hp206c_acpi_match[] = {
{"HOP206C", 0},
{ },
};
MODULE_DEVICE_TABLE(acpi, hp206c_acpi_match);
-#endif
static struct i2c_driver hp206c_driver = {
.probe = hp206c_probe,
.id_table = hp206c_id,
.driver = {
.name = "hp206c",
- .acpi_match_table = ACPI_PTR(hp206c_acpi_match),
+ .acpi_match_table = hp206c_acpi_match,
},
};
--
GitLab
From 5291fed7e324436a2119d4143fde0c07f1cd7a78 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:13 +0000
Subject: [PATCH 0075/2686] iio: light: max44000: drop ACPI_PTR() and
CONFIG_ACPI guards
The complexity of config guards needed for ACPI_PTR() is not worthwhile
for the small amount of saved data. This example was doing it correctly
but I am proposing dropping this so as to reduce chance of cut and paste
where it is done wrong. Also drop now unneeded linux/acpi.h include and
added linux/mod_devicetable.h for struct acpi_device_id definition.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-24-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/max44000.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/light/max44000.c b/drivers/iio/light/max44000.c
index db96c5b73100c..26b464b1b650e 100644
--- a/drivers/iio/light/max44000.c
+++ b/drivers/iio/light/max44000.c
@@ -10,6 +10,7 @@
*/
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
@@ -19,7 +20,6 @@
#include <linux/iio/buffer.h>
#include <linux/iio/trigger_consumer.h>
#include <linux/iio/triggered_buffer.h>
-#include <linux/acpi.h>
#define MAX44000_DRV_NAME "max44000"
@@ -603,18 +603,16 @@ static const struct i2c_device_id max44000_id[] = {
};
MODULE_DEVICE_TABLE(i2c, max44000_id);
-#ifdef CONFIG_ACPI
static const struct acpi_device_id max44000_acpi_match[] = {
{"MAX44000", 0},
{ }
};
MODULE_DEVICE_TABLE(acpi, max44000_acpi_match);
-#endif
static struct i2c_driver max44000_driver = {
.driver = {
.name = MAX44000_DRV_NAME,
- .acpi_match_table = ACPI_PTR(max44000_acpi_match),
+ .acpi_match_table = max44000_acpi_match,
},
.probe = max44000_probe,
.id_table = max44000_id,
--
GitLab
From 3ab574ee39f7acd34fa004e34b52588b53ccebda Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 31 Dec 2023 18:35:14 +0000
Subject: [PATCH 0076/2686] iio: adc: ti-adc109s102: drop ACPI_PTR() and
CONFIG_ACPI guards
The complexity of config guards needed for ACPI_PTR() is not worthwhile
for the small amount of saved data. This example was doing it correctly
but I am proposing dropping this so as to reduce chance of cut and paste
where it is done wrong.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231231183514.566609-25-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/ti-adc108s102.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/iio/adc/ti-adc108s102.c b/drivers/iio/adc/ti-adc108s102.c
index c82a161630e1d..69fcbbc7e418a 100644
--- a/drivers/iio/adc/ti-adc108s102.c
+++ b/drivers/iio/adc/ti-adc108s102.c
@@ -293,13 +293,11 @@ static const struct of_device_id adc108s102_of_match[] = {
};
MODULE_DEVICE_TABLE(of, adc108s102_of_match);
-#ifdef CONFIG_ACPI
static const struct acpi_device_id adc108s102_acpi_ids[] = {
{ "INT3495", 0 },
{ }
};
MODULE_DEVICE_TABLE(acpi, adc108s102_acpi_ids);
-#endif
static const struct spi_device_id adc108s102_id[] = {
{ "adc108s102", 0 },
@@ -311,7 +309,7 @@ static struct spi_driver adc108s102_driver = {
.driver = {
.name = "adc108s102",
.of_match_table = adc108s102_of_match,
- .acpi_match_table = ACPI_PTR(adc108s102_acpi_ids),
+ .acpi_match_table = adc108s102_acpi_ids,
},
.probe = adc108s102_probe,
.id_table = adc108s102_id,
--
GitLab
From b2463c49ab68376b20d5165400e47fc675976dd2 Mon Sep 17 00:00:00 2001
From: Jun Yan <jerrysteve1101@gmail.com>
Date: Tue, 19 Dec 2023 23:04:40 +0800
Subject: [PATCH 0077/2686] iio: accel: bmi088: add i2c support for bmi088
accel driver
The BMI088, BMI085 and BMI090L accelerometer also support
I2C protocol, so let's add the missing I2C support.
The I2C interface of the {BMI085,BMI088,BMI090L} is compatible with
the I2C Specification UM10204 Rev. 03 (19 June 2007), available at
http://www.nxp.com. The {BMI085,BMI088,BMI090L} supports I2C standard
mode and fast mode, only 7-bit address mode is supported.
Datasheet: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bmi085-ds001.pdf
Datasheet: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bmi088-ds001.pdf
Datasheet: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/4807/BST-BMI090L-DS000-00.pdf
Signed-off-by: Jun Yan <jerrysteve1101@gmail.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312191325.jfiyeL5F-lkp@intel.com/
Link: https://lore.kernel.org/r/20231219150440.264033-1-jerrysteve1101@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/Kconfig | 8 +++-
drivers/iio/accel/Makefile | 1 +
drivers/iio/accel/bmi088-accel-i2c.c | 70 ++++++++++++++++++++++++++++
3 files changed, 77 insertions(+), 2 deletions(-)
create mode 100644 drivers/iio/accel/bmi088-accel-i2c.c
diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig
index 91adcac875a41..dc92cf599acb0 100644
--- a/drivers/iio/accel/Kconfig
+++ b/drivers/iio/accel/Kconfig
@@ -254,11 +254,11 @@ config BMC150_ACCEL_SPI
config BMI088_ACCEL
tristate "Bosch BMI088 Accelerometer Driver"
- depends on SPI
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
select REGMAP
- select BMI088_ACCEL_SPI
+ select BMI088_ACCEL_SPI if SPI
+ select BMI088_ACCEL_I2C if I2C
help
Say yes here to build support for the following Bosch accelerometers:
BMI088, BMI085, BMI090L. Note that all of these are combo module that
@@ -267,6 +267,10 @@ config BMI088_ACCEL
This driver only implements the accelerometer part, which has its own
address and register map. BMG160 provides the gyroscope driver.
+config BMI088_ACCEL_I2C
+ tristate
+ select REGMAP_I2C
+
config BMI088_ACCEL_SPI
tristate
select REGMAP_SPI
diff --git a/drivers/iio/accel/Makefile b/drivers/iio/accel/Makefile
index 311ead9c3ef18..db90532ba24aa 100644
--- a/drivers/iio/accel/Makefile
+++ b/drivers/iio/accel/Makefile
@@ -30,6 +30,7 @@ obj-$(CONFIG_BMC150_ACCEL) += bmc150-accel-core.o
obj-$(CONFIG_BMC150_ACCEL_I2C) += bmc150-accel-i2c.o
obj-$(CONFIG_BMC150_ACCEL_SPI) += bmc150-accel-spi.o
obj-$(CONFIG_BMI088_ACCEL) += bmi088-accel-core.o
+obj-$(CONFIG_BMI088_ACCEL_I2C) += bmi088-accel-i2c.o
obj-$(CONFIG_BMI088_ACCEL_SPI) += bmi088-accel-spi.o
obj-$(CONFIG_DA280) += da280.o
obj-$(CONFIG_DA311) += da311.o
diff --git a/drivers/iio/accel/bmi088-accel-i2c.c b/drivers/iio/accel/bmi088-accel-i2c.c
new file mode 100644
index 0000000000000..17e9156bbe89e
--- /dev/null
+++ b/drivers/iio/accel/bmi088-accel-i2c.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * 3-axis accelerometer driver supporting following Bosch-Sensortec chips:
+ * - BMI088
+ * - BMI085
+ * - BMI090L
+ *
+ * Copyright 2023 Jun Yan <jerrysteve1101@gmail.com>
+ */
+
+#include <linux/i2c.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+#include "bmi088-accel.h"
+
+static int bmi088_accel_probe(struct i2c_client *i2c)
+{
+ struct regmap *regmap;
+ const struct i2c_device_id *id = i2c_client_get_device_id(i2c);
+
+ regmap = devm_regmap_init_i2c(i2c, &bmi088_regmap_conf);
+ if (IS_ERR(regmap)) {
+ dev_err(&i2c->dev, "Failed to initialize i2c regmap\n");
+ return PTR_ERR(regmap);
+ }
+
+ return bmi088_accel_core_probe(&i2c->dev, regmap, i2c->irq,
+ id->driver_data);
+}
+
+static void bmi088_accel_remove(struct i2c_client *i2c)
+{
+ bmi088_accel_core_remove(&i2c->dev);
+}
+
+static const struct of_device_id bmi088_of_match[] = {
+ { .compatible = "bosch,bmi085-accel" },
+ { .compatible = "bosch,bmi088-accel" },
+ { .compatible = "bosch,bmi090l-accel" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, bmi088_of_match);
+
+static const struct i2c_device_id bmi088_accel_id[] = {
+ { "bmi085-accel", BOSCH_BMI085 },
+ { "bmi088-accel", BOSCH_BMI088 },
+ { "bmi090l-accel", BOSCH_BMI090L },
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, bmi088_accel_id);
+
+static struct i2c_driver bmi088_accel_driver = {
+ .driver = {
+ .name = "bmi088_accel_i2c",
+ .pm = pm_ptr(&bmi088_accel_pm_ops),
+ .of_match_table = bmi088_of_match,
+ },
+ .probe = bmi088_accel_probe,
+ .remove = bmi088_accel_remove,
+ .id_table = bmi088_accel_id,
+};
+module_i2c_driver(bmi088_accel_driver);
+
+MODULE_AUTHOR("Jun Yan <jerrysteve1101@gmail.com>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("BMI088 accelerometer driver (I2C)");
+MODULE_IMPORT_NS(IIO_BMI088);
--
GitLab
From b58b13f156c00c2457035b7071eaaac105fe6836 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Sat, 6 Jan 2024 15:32:02 +0000
Subject: [PATCH 0078/2686] iio: invensense: remove redundant initialization of
variable period
The variable period is being initialized with a value that is never
read, it is being re-assigned a new value later on before it is read.
The initialization is redundant and can be removed.
Cleans up clang scan build warning:
Value stored to 'period' during its initialization is never
read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://lore.kernel.org/r/20240106153202.54861-1-colin.i.king@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/common/inv_sensors/inv_sensors_timestamp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c b/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c
index 03823ee57f598..3b0f9598a7c77 100644
--- a/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c
+++ b/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c
@@ -126,7 +126,7 @@ void inv_sensors_timestamp_interrupt(struct inv_sensors_timestamp *ts,
struct inv_sensors_timestamp_interval *it;
int64_t delta, interval;
const uint32_t fifo_mult = fifo_period / ts->chip.clock_period;
- uint32_t period = ts->period;
+ uint32_t period;
bool valid = false;
if (fifo_nb == 0)
--
GitLab
From 4e6500bfa053dc133021f9c144261b77b0ba7dc8 Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Mon, 8 Jan 2024 12:32:20 +0200
Subject: [PATCH 0079/2686] tools: iio: replace seekdir() in iio_generic_buffer
Replace seekdir() with rewinddir() in order to fix a localized glibc bug.
One of the glibc patches that stable Gentoo is using causes an improper
directory stream positioning bug on 32bit arm. That in turn ends up as a
floating point exception in iio_generic_buffer.
The attached patch provides a fix by using an equivalent function which
should not cause trouble for other distros and is easier to reason about
in general as it obviously always goes back to to the start.
https://sourceware.org/bugzilla/show_bug.cgi?id=31212
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20240108103224.3986-1-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
tools/iio/iio_utils.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/iio/iio_utils.c b/tools/iio/iio_utils.c
index 6a00a6eecaef0..c5c5082cb24e5 100644
--- a/tools/iio/iio_utils.c
+++ b/tools/iio/iio_utils.c
@@ -376,7 +376,7 @@ int build_channel_array(const char *device_dir, int buffer_idx,
goto error_close_dir;
}
- seekdir(dp, 0);
+ rewinddir(dp);
while (ent = readdir(dp), ent) {
if (strcmp(ent->d_name + strlen(ent->d_name) - strlen("_en"),
"_en") == 0) {
--
GitLab
From 66b5591697294171b7e574b7e253a0d7ecce99dd Mon Sep 17 00:00:00 2001
From: Amit Dhingra <mechanicalamit@gmail.com>
Date: Sat, 6 Jan 2024 12:08:35 -0800
Subject: [PATCH 0080/2686] MAINTAINERS: correct file entry for AD7091R
File entry has driver/iio/adc two times. Fix the file entry
Found by ./scripts/get_maintainer.pl --self-test=patterns
Signed-off-by: Amit Dhingra <mechanicalamit@gmail.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Link: https://lore.kernel.org/r/CAO=gReEUr4B+E2mQsSrncHf41f0A915SuoWgA522_2Ts-dZbSg@mail.gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
MAINTAINERS | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index e7deb25d24a5b..dcf99f9f5b840 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1144,7 +1144,7 @@ L: linux-iio@vger.kernel.org
S: Supported
W: http://ez.analog.com/community/linux-device-drivers
F: Documentation/devicetree/bindings/iio/adc/adi,ad7091r*
-F: drivers/iio/adc/drivers/iio/adc/ad7091r*
+F: drivers/iio/adc/ad7091r*
ANALOG DEVICES INC AD7192 DRIVER
M: Alexandru Tachici <alexandru.tachici@analog.com>
--
GitLab
From e7748c17bda04758a01f1241896b553f8b3873cc Mon Sep 17 00:00:00 2001
From: David Lechner <dlechner@baylibre.com>
Date: Mon, 8 Jan 2024 14:06:44 -0600
Subject: [PATCH 0081/2686] iio: core: use INDIO_ALL_BUFFER_MODES in
iio_buffer_enabled()
This replaces use of individual buffer mode flags with
INDIO_ALL_BUFFER_MODES in the iio_buffer_enabled() function.
This simplifies the code and makes it robust in case of the addition of
new buffer modes.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240108200647.3916681-1-dlechner@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/industrialio-core.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 9a85752124ddc..e8551a1636bac 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -213,9 +213,7 @@ bool iio_buffer_enabled(struct iio_dev *indio_dev)
{
struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev);
- return iio_dev_opaque->currentmode &
- (INDIO_BUFFER_HARDWARE | INDIO_BUFFER_SOFTWARE |
- INDIO_BUFFER_TRIGGERED);
+ return iio_dev_opaque->currentmode & INDIO_ALL_BUFFER_MODES;
}
EXPORT_SYMBOL_GPL(iio_buffer_enabled);
--
GitLab
From 82cc631881206827570d2d84e8a22524afe3638f Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Tue, 9 Jan 2024 15:03:16 +0100
Subject: [PATCH 0082/2686] iio: buffer-dmaengine: make use of the 'struct
device *' argument
Respect the @dev argument in devm_iio_dmaengine_buffer_setup() and bind the
IIO DMA buffer lifetime to that device.
For the only user of this function, the IIO parent device is the
struct device being passed to the API so no real fix in here (just
consistency with other IIO APIs).
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240109-dmaengine_use_device-v1-1-1cbdb7fe9f29@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/buffer/industrialio-buffer-dmaengine.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
index 5f85ba38e6f6e..45fe7d0d42ee0 100644
--- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c
+++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
@@ -279,8 +279,7 @@ int devm_iio_dmaengine_buffer_setup(struct device *dev,
{
struct iio_buffer *buffer;
- buffer = devm_iio_dmaengine_buffer_alloc(indio_dev->dev.parent,
- channel);
+ buffer = devm_iio_dmaengine_buffer_alloc(dev, channel);
if (IS_ERR(buffer))
return PTR_ERR(buffer);
--
GitLab
From 41b5684e58b1286ae0fa180bc50b661a27efee33 Mon Sep 17 00:00:00 2001
From: ChiYuan Huang <cy_huang@richtek.com>
Date: Mon, 8 Jan 2024 09:47:27 +0800
Subject: [PATCH 0083/2686] dt-bindings: iio: adc: rtq6056: add support for the
whole RTQ6056 family
Add compatible support for RTQ6053 and RTQ6059.
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/c1abb261bb00846f456eb8fe9b5919f59f287c24.1704676198.git.cy_huang@richtek.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../devicetree/bindings/iio/adc/richtek,rtq6056.yaml | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056.yaml b/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056.yaml
index 88e008629ea89..af2c3a67f8880 100644
--- a/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056.yaml
@@ -25,7 +25,14 @@ description: |
properties:
compatible:
- const: richtek,rtq6056
+ oneOf:
+ - enum:
+ - richtek,rtq6056
+ - richtek,rtq6059
+ - items:
+ - enum:
+ - richtek,rtq6053
+ - const: richtek,rtq6056
reg:
maxItems: 1
--
GitLab
From 89a1034cd84148d4040385386850377cdbfeb70c Mon Sep 17 00:00:00 2001
From: ChiYuan Huang <cy_huang@richtek.com>
Date: Mon, 8 Jan 2024 09:47:28 +0800
Subject: [PATCH 0084/2686] iio: adc: rtq6056: Add support for the whole
RTQ6056 family
RTQ6053 and RTQ6059 are the same series of RTQ6056.
The respective differences with RTQ6056 are listed below
RTQ6053
- chip package type
RTQ6059
- Reduce the pinout for vbus sensing pin
- Some internal ADC scaling change
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://lore.kernel.org/r/3541207c4727e3a76b9a3caf88ef812a4d47b764.1704676198.git.cy_huang@richtek.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/rtq6056.c | 275 +++++++++++++++++++++++++++++++++++---
1 file changed, 255 insertions(+), 20 deletions(-)
diff --git a/drivers/iio/adc/rtq6056.c b/drivers/iio/adc/rtq6056.c
index ad4cea6839b27..a5464737e527c 100644
--- a/drivers/iio/adc/rtq6056.c
+++ b/drivers/iio/adc/rtq6056.c
@@ -39,6 +39,10 @@
#define RTQ6056_DEFAULT_CONFIG 0x4127
#define RTQ6056_CONT_ALLON 7
+#define RTQ6059_DEFAULT_CONFIG 0x3C47
+#define RTQ6059_VBUS_LSB_OFFSET 3
+#define RTQ6059_AVG_BASE 8
+
enum {
RTQ6056_CH_VSHUNT = 0,
RTQ6056_CH_VBUS,
@@ -47,19 +51,46 @@ enum {
RTQ6056_MAX_CHANNEL
};
+/*
+ * The enum is to present the 0x00 CONFIG RG bitfield for the 16bit RG value
+ * field value order from LSB to MSB
+ * RTQ6053/6 is OPMODE->VSHUNTCT->VBUSCT->AVG->RESET
+ * RTQ6059 is OPMODE->SADC->BADC->PGA->RESET
+ */
enum {
F_OPMODE = 0,
F_VSHUNTCT,
+ F_RTQ6059_SADC = F_VSHUNTCT,
F_VBUSCT,
+ F_RTQ6059_BADC = F_VBUSCT,
F_AVG,
+ F_RTQ6059_PGA = F_AVG,
F_RESET,
F_MAX_FIELDS
};
+struct rtq6056_priv;
+
+struct richtek_dev_data {
+ bool fixed_samp_freq;
+ u8 vbus_offset;
+ int default_conv_time_us;
+ unsigned int default_config;
+ unsigned int calib_coefficient;
+ const int *avg_sample_list;
+ int avg_sample_list_length;
+ const struct reg_field *reg_fields;
+ const struct iio_chan_spec *channels;
+ int num_channels;
+ int (*read_scale)(struct iio_chan_spec const *ch, int *val, int *val2);
+ int (*set_average)(struct rtq6056_priv *priv, int val);
+};
+
struct rtq6056_priv {
struct device *dev;
struct regmap *regmap;
struct regmap_field *rm_fields[F_MAX_FIELDS];
+ const struct richtek_dev_data *devdata;
u32 shunt_resistor_uohm;
int vshuntct_us;
int vbusct_us;
@@ -74,6 +105,14 @@ static const struct reg_field rtq6056_reg_fields[F_MAX_FIELDS] = {
[F_RESET] = REG_FIELD(RTQ6056_REG_CONFIG, 15, 15),
};
+static const struct reg_field rtq6059_reg_fields[F_MAX_FIELDS] = {
+ [F_OPMODE] = REG_FIELD(RTQ6056_REG_CONFIG, 0, 2),
+ [F_RTQ6059_SADC] = REG_FIELD(RTQ6056_REG_CONFIG, 3, 6),
+ [F_RTQ6059_BADC] = REG_FIELD(RTQ6056_REG_CONFIG, 7, 10),
+ [F_RTQ6059_PGA] = REG_FIELD(RTQ6056_REG_CONFIG, 11, 12),
+ [F_RESET] = REG_FIELD(RTQ6056_REG_CONFIG, 15, 15),
+};
+
static const struct iio_chan_spec rtq6056_channels[RTQ6056_MAX_CHANNEL + 1] = {
{
.type = IIO_VOLTAGE,
@@ -151,10 +190,93 @@ static const struct iio_chan_spec rtq6056_channels[RTQ6056_MAX_CHANNEL + 1] = {
IIO_CHAN_SOFT_TIMESTAMP(RTQ6056_MAX_CHANNEL),
};
+/*
+ * Difference between RTQ6056 and RTQ6059
+ * - Fixed sampling conversion time
+ * - Average sample numbers
+ * - Channel scale
+ * - calibration coefficient
+ */
+static const struct iio_chan_spec rtq6059_channels[RTQ6056_MAX_CHANNEL + 1] = {
+ {
+ .type = IIO_VOLTAGE,
+ .indexed = 1,
+ .channel = 0,
+ .address = RTQ6056_REG_SHUNTVOLT,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE) |
+ BIT(IIO_CHAN_INFO_SAMP_FREQ),
+ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO),
+ .info_mask_shared_by_all_available = BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO),
+ .scan_index = 0,
+ .scan_type = {
+ .sign = 's',
+ .realbits = 16,
+ .storagebits = 16,
+ .endianness = IIO_CPU,
+ },
+ },
+ {
+ .type = IIO_VOLTAGE,
+ .indexed = 1,
+ .channel = 1,
+ .address = RTQ6056_REG_BUSVOLT,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE) |
+ BIT(IIO_CHAN_INFO_SAMP_FREQ),
+ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO),
+ .info_mask_shared_by_all_available = BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO),
+ .scan_index = 1,
+ .scan_type = {
+ .sign = 'u',
+ .realbits = 16,
+ .storagebits = 16,
+ .endianness = IIO_CPU,
+ },
+ },
+ {
+ .type = IIO_POWER,
+ .indexed = 1,
+ .channel = 2,
+ .address = RTQ6056_REG_POWER,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE) |
+ BIT(IIO_CHAN_INFO_SAMP_FREQ),
+ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO),
+ .info_mask_shared_by_all_available = BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO),
+ .scan_index = 2,
+ .scan_type = {
+ .sign = 'u',
+ .realbits = 16,
+ .storagebits = 16,
+ .endianness = IIO_CPU,
+ },
+ },
+ {
+ .type = IIO_CURRENT,
+ .indexed = 1,
+ .channel = 3,
+ .address = RTQ6056_REG_CURRENT,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SAMP_FREQ),
+ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO),
+ .info_mask_shared_by_all_available = BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO),
+ .scan_index = 3,
+ .scan_type = {
+ .sign = 's',
+ .realbits = 16,
+ .storagebits = 16,
+ .endianness = IIO_CPU,
+ },
+ },
+ IIO_CHAN_SOFT_TIMESTAMP(RTQ6056_MAX_CHANNEL),
+};
+
static int rtq6056_adc_read_channel(struct rtq6056_priv *priv,
struct iio_chan_spec const *ch,
int *val)
{
+ const struct richtek_dev_data *devdata = priv->devdata;
struct device *dev = priv->dev;
unsigned int addr = ch->address;
unsigned int regval;
@@ -168,12 +290,21 @@ static int rtq6056_adc_read_channel(struct rtq6056_priv *priv,
return ret;
/* Power and VBUS is unsigned 16-bit, others are signed 16-bit */
- if (addr == RTQ6056_REG_BUSVOLT || addr == RTQ6056_REG_POWER)
+ switch (addr) {
+ case RTQ6056_REG_BUSVOLT:
+ regval >>= devdata->vbus_offset;
*val = regval;
- else
+ return IIO_VAL_INT;
+ case RTQ6056_REG_POWER:
+ *val = regval;
+ return IIO_VAL_INT;
+ case RTQ6056_REG_SHUNTVOLT:
+ case RTQ6056_REG_CURRENT:
*val = sign_extend32(regval, 16);
-
- return IIO_VAL_INT;
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
}
static int rtq6056_adc_read_scale(struct iio_chan_spec const *ch, int *val,
@@ -199,6 +330,28 @@ static int rtq6056_adc_read_scale(struct iio_chan_spec const *ch, int *val,
}
}
+static int rtq6059_adc_read_scale(struct iio_chan_spec const *ch, int *val,
+ int *val2)
+{
+ switch (ch->address) {
+ case RTQ6056_REG_SHUNTVOLT:
+ /* VSHUNT lsb 10uV */
+ *val = 10000;
+ *val2 = 1000000;
+ return IIO_VAL_FRACTIONAL;
+ case RTQ6056_REG_BUSVOLT:
+ /* VBUS lsb 4mV */
+ *val = 4;
+ return IIO_VAL_INT;
+ case RTQ6056_REG_POWER:
+ /* Power lsb 20mW */
+ *val = 20;
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+}
+
/*
* Sample frequency for channel VSHUNT and VBUS. The indices correspond
* with the bit value expected by the chip. And it can be found at
@@ -248,6 +401,10 @@ static const int rtq6056_avg_sample_list[] = {
1, 4, 16, 64, 128, 256, 512, 1024,
};
+static const int rtq6059_avg_sample_list[] = {
+ 1, 2, 4, 8, 16, 32, 64, 128,
+};
+
static int rtq6056_adc_set_average(struct rtq6056_priv *priv, int val)
{
unsigned int selector;
@@ -268,6 +425,30 @@ static int rtq6056_adc_set_average(struct rtq6056_priv *priv, int val)
return 0;
}
+static int rtq6059_adc_set_average(struct rtq6056_priv *priv, int val)
+{
+ unsigned int selector;
+ int ret;
+
+ if (val > 128 || val < 1)
+ return -EINVAL;
+
+ /* The supported average sample is 2^x (x from 0 to 7) */
+ selector = fls(val) - 1;
+
+ ret = regmap_field_write(priv->rm_fields[F_RTQ6059_BADC],
+ RTQ6059_AVG_BASE + selector);
+ if (ret)
+ return ret;
+
+ ret = regmap_field_write(priv->rm_fields[F_RTQ6059_SADC],
+ RTQ6059_AVG_BASE + selector);
+
+ priv->avg_sample = BIT(selector);
+
+ return 0;
+}
+
static int rtq6056_adc_get_sample_freq(struct rtq6056_priv *priv,
struct iio_chan_spec const *ch, int *val)
{
@@ -292,12 +473,13 @@ static int rtq6056_adc_read_raw(struct iio_dev *indio_dev,
int *val2, long mask)
{
struct rtq6056_priv *priv = iio_priv(indio_dev);
+ const struct richtek_dev_data *devdata = priv->devdata;
switch (mask) {
case IIO_CHAN_INFO_RAW:
return rtq6056_adc_read_channel(priv, chan, val);
case IIO_CHAN_INFO_SCALE:
- return rtq6056_adc_read_scale(chan, val, val2);
+ return devdata->read_scale(chan, val, val2);
case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
*val = priv->avg_sample;
return IIO_VAL_INT;
@@ -313,6 +495,9 @@ static int rtq6056_adc_read_avail(struct iio_dev *indio_dev,
const int **vals, int *type, int *length,
long mask)
{
+ struct rtq6056_priv *priv = iio_priv(indio_dev);
+ const struct richtek_dev_data *devdata = priv->devdata;
+
switch (mask) {
case IIO_CHAN_INFO_SAMP_FREQ:
*vals = rtq6056_samp_freq_list;
@@ -320,9 +505,9 @@ static int rtq6056_adc_read_avail(struct iio_dev *indio_dev,
*length = ARRAY_SIZE(rtq6056_samp_freq_list);
return IIO_AVAIL_LIST;
case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
- *vals = rtq6056_avg_sample_list;
+ *vals = devdata->avg_sample_list;
+ *length = devdata->avg_sample_list_length;
*type = IIO_VAL_INT;
- *length = ARRAY_SIZE(rtq6056_avg_sample_list);
return IIO_AVAIL_LIST;
default:
return -EINVAL;
@@ -334,6 +519,7 @@ static int rtq6056_adc_write_raw(struct iio_dev *indio_dev,
int val2, long mask)
{
struct rtq6056_priv *priv = iio_priv(indio_dev);
+ const struct richtek_dev_data *devdata = priv->devdata;
int ret;
ret = iio_device_claim_direct_mode(indio_dev);
@@ -342,10 +528,15 @@ static int rtq6056_adc_write_raw(struct iio_dev *indio_dev,
switch (mask) {
case IIO_CHAN_INFO_SAMP_FREQ:
+ if (devdata->fixed_samp_freq) {
+ ret = -EINVAL;
+ break;
+ }
+
ret = rtq6056_adc_set_samp_freq(priv, chan, val);
break;
case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
- ret = rtq6056_adc_set_average(priv, val);
+ ret = devdata->set_average(priv, val);
break;
default:
ret = -EINVAL;
@@ -374,6 +565,7 @@ static int rtq6056_adc_read_label(struct iio_dev *indio_dev,
static int rtq6056_set_shunt_resistor(struct rtq6056_priv *priv,
int resistor_uohm)
{
+ const struct richtek_dev_data *devdata = priv->devdata;
unsigned int calib_val;
int ret;
@@ -382,8 +574,8 @@ static int rtq6056_set_shunt_resistor(struct rtq6056_priv *priv,
return -EINVAL;
}
- /* calibration = 5120000 / (Rshunt (uOhm) * current lsb (1mA)) */
- calib_val = 5120000 / resistor_uohm;
+ /* calibration = coefficient / (Rshunt (uOhm) * current lsb (1mA)) */
+ calib_val = devdata->calib_coefficient / resistor_uohm;
ret = regmap_write(priv->regmap, RTQ6056_REG_CALIBRATION, calib_val);
if (ret)
return ret;
@@ -450,6 +642,7 @@ static irqreturn_t rtq6056_buffer_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct rtq6056_priv *priv = iio_priv(indio_dev);
+ const struct richtek_dev_data *devdata = priv->devdata;
struct device *dev = priv->dev;
struct {
u16 vals[RTQ6056_MAX_CHANNEL];
@@ -469,6 +662,9 @@ static irqreturn_t rtq6056_buffer_trigger_handler(int irq, void *p)
if (ret)
goto out;
+ if (addr == RTQ6056_REG_BUSVOLT)
+ raw >>= devdata->vbus_offset;
+
data.vals[i++] = raw;
}
@@ -528,20 +724,26 @@ static int rtq6056_probe(struct i2c_client *i2c)
struct rtq6056_priv *priv;
struct device *dev = &i2c->dev;
struct regmap *regmap;
+ const struct richtek_dev_data *devdata;
unsigned int vendor_id, shunt_resistor_uohm;
int ret;
if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_WORD_DATA))
return -EOPNOTSUPP;
+ devdata = device_get_match_data(dev);
+ if (!devdata)
+ return dev_err_probe(dev, -EINVAL, "Invalid dev data\n");
+
indio_dev = devm_iio_device_alloc(dev, sizeof(*priv));
if (!indio_dev)
return -ENOMEM;
priv = iio_priv(indio_dev);
priv->dev = dev;
- priv->vshuntct_us = priv->vbusct_us = 1037;
+ priv->vshuntct_us = priv->vbusct_us = devdata->default_conv_time_us;
priv->avg_sample = 1;
+ priv->devdata = devdata;
i2c_set_clientdata(i2c, priv);
regmap = devm_regmap_init_i2c(i2c, &rtq6056_regmap_config);
@@ -561,15 +763,11 @@ static int rtq6056_probe(struct i2c_client *i2c)
"Invalid vendor id 0x%04x\n", vendor_id);
ret = devm_regmap_field_bulk_alloc(dev, regmap, priv->rm_fields,
- rtq6056_reg_fields, F_MAX_FIELDS);
+ devdata->reg_fields, F_MAX_FIELDS);
if (ret)
return dev_err_probe(dev, ret, "Failed to init regmap field\n");
- /*
- * By default, configure average sample as 1, bus and shunt conversion
- * time as 1037 microsecond, and operating mode to all on.
- */
- ret = regmap_write(regmap, RTQ6056_REG_CONFIG, RTQ6056_DEFAULT_CONFIG);
+ ret = regmap_write(regmap, RTQ6056_REG_CONFIG, devdata->default_config);
if (ret)
return dev_err_probe(dev, ret,
"Failed to enable continuous sensing\n");
@@ -598,8 +796,8 @@ static int rtq6056_probe(struct i2c_client *i2c)
indio_dev->name = "rtq6056";
indio_dev->modes = INDIO_DIRECT_MODE;
- indio_dev->channels = rtq6056_channels;
- indio_dev->num_channels = ARRAY_SIZE(rtq6056_channels);
+ indio_dev->channels = devdata->channels;
+ indio_dev->num_channels = devdata->num_channels;
indio_dev->info = &rtq6056_info;
ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL,
@@ -640,8 +838,45 @@ static int rtq6056_runtime_resume(struct device *dev)
static DEFINE_RUNTIME_DEV_PM_OPS(rtq6056_pm_ops, rtq6056_runtime_suspend,
rtq6056_runtime_resume, NULL);
+static const struct richtek_dev_data rtq6056_devdata = {
+ .default_conv_time_us = 1037,
+ .calib_coefficient = 5120000,
+ /*
+ * By default, configure average sample as 1, bus and shunt conversion
+ * time as 1037 microsecond, and operating mode to all on.
+ */
+ .default_config = RTQ6056_DEFAULT_CONFIG,
+ .avg_sample_list = rtq6056_avg_sample_list,
+ .avg_sample_list_length = ARRAY_SIZE(rtq6056_avg_sample_list),
+ .reg_fields = rtq6056_reg_fields,
+ .channels = rtq6056_channels,
+ .num_channels = ARRAY_SIZE(rtq6056_channels),
+ .read_scale = rtq6056_adc_read_scale,
+ .set_average = rtq6056_adc_set_average,
+};
+
+static const struct richtek_dev_data rtq6059_devdata = {
+ .fixed_samp_freq = true,
+ .vbus_offset = RTQ6059_VBUS_LSB_OFFSET,
+ .default_conv_time_us = 532,
+ .calib_coefficient = 40960000,
+ /*
+ * By default, configure average sample as 1, bus and shunt conversion
+ * time as 532 microsecond, and operating mode to all on.
+ */
+ .default_config = RTQ6059_DEFAULT_CONFIG,
+ .avg_sample_list = rtq6059_avg_sample_list,
+ .avg_sample_list_length = ARRAY_SIZE(rtq6059_avg_sample_list),
+ .reg_fields = rtq6059_reg_fields,
+ .channels = rtq6059_channels,
+ .num_channels = ARRAY_SIZE(rtq6059_channels),
+ .read_scale = rtq6059_adc_read_scale,
+ .set_average = rtq6059_adc_set_average,
+};
+
static const struct of_device_id rtq6056_device_match[] = {
- { .compatible = "richtek,rtq6056" },
+ { .compatible = "richtek,rtq6056", .data = &rtq6056_devdata },
+ { .compatible = "richtek,rtq6059", .data = &rtq6059_devdata },
{}
};
MODULE_DEVICE_TABLE(of, rtq6056_device_match);
--
GitLab
From 71a5849aedaa9ea028fc51ee74576cad61954743 Mon Sep 17 00:00:00 2001
From: Sami Tolvanen <samitolvanen@google.com>
Date: Fri, 29 Sep 2023 21:11:57 +0000
Subject: [PATCH 0085/2686] mm: Change mmap_rnd_bits_max to __ro_after_init
Allow mmap_rnd_bits_max to be updated on architectures that
determine virtual address space size at runtime instead of relying
on Kconfig options by changing it from const to __ro_after_init.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/r/20230929211155.3910949-5-samitolvanen@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
include/linux/mm.h | 2 +-
mm/mmap.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index f5a97dec51694..2488c0c5a2881 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -86,7 +86,7 @@ extern int sysctl_legacy_va_layout;
#ifdef CONFIG_HAVE_ARCH_MMAP_RND_BITS
extern const int mmap_rnd_bits_min;
-extern const int mmap_rnd_bits_max;
+extern int mmap_rnd_bits_max __ro_after_init;
extern int mmap_rnd_bits __read_mostly;
#endif
#ifdef CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS
diff --git a/mm/mmap.c b/mm/mmap.c
index b78e83d351d28..8f47011de22e4 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -64,7 +64,7 @@
#ifdef CONFIG_HAVE_ARCH_MMAP_RND_BITS
const int mmap_rnd_bits_min = CONFIG_ARCH_MMAP_RND_BITS_MIN;
-const int mmap_rnd_bits_max = CONFIG_ARCH_MMAP_RND_BITS_MAX;
+int mmap_rnd_bits_max __ro_after_init = CONFIG_ARCH_MMAP_RND_BITS_MAX;
int mmap_rnd_bits __read_mostly = CONFIG_ARCH_MMAP_RND_BITS;
#endif
#ifdef CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS
--
GitLab
From 7df1ff5a5cd615815bc6fb4a3a981e9746935e59 Mon Sep 17 00:00:00 2001
From: Sami Tolvanen <samitolvanen@google.com>
Date: Fri, 29 Sep 2023 21:11:58 +0000
Subject: [PATCH 0086/2686] riscv: mm: Update mmap_rnd_bits_max
ARCH_MMAP_RND_BITS_MAX is based on Sv39, which leaves a few
potential bits of mmap randomness on the table if we end up enabling
4/5-level paging. Update mmap_rnd_bits_max to take the final address
space size into account. This increases mmap_rnd_bits_max from 24 to
33 with Sv48/57.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/r/20230929211155.3910949-6-samitolvanen@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/mm/init.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 32cad6a65ccd2..c55915554836f 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -767,6 +767,11 @@ static int __init print_no5lvl(char *p)
}
early_param("no5lvl", print_no5lvl);
+static void __init set_mmap_rnd_bits_max(void)
+{
+ mmap_rnd_bits_max = MMAP_VA_BITS - PAGE_SHIFT - 3;
+}
+
/*
* There is a simple way to determine if 4-level is supported by the
* underlying hardware: establish 1:1 mapping in 4-level page table mode
@@ -1081,6 +1086,7 @@ asmlinkage void __init setup_vm(uintptr_t dtb_pa)
#if defined(CONFIG_64BIT) && !defined(CONFIG_XIP_KERNEL)
set_satp_mode(dtb_pa);
+ set_mmap_rnd_bits_max();
#endif
/*
--
GitLab
From 64af1ab93e315d462d4562907c3c6a0ed4282cde Mon Sep 17 00:00:00 2001
From: Michael Straube <straube.linux@gmail.com>
Date: Fri, 5 Jan 2024 10:32:16 +0100
Subject: [PATCH 0087/2686] staging: rtl8192e: remove return statement from
void function
Remove return statement from the void function _rtl92e_if_check_reset().
Found by checkpatch.
WARNING: void function return statements are not generally useful
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20240105093216.13981-1-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 6815d18a7919e..7b5d954acf6da 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -909,7 +909,6 @@ static void _rtl92e_if_check_reset(struct net_device *dev)
netdev_info(dev, "%s(): TxResetType is %d, RxResetType is %d\n",
__func__, TxResetType, RxResetType);
}
- return;
}
static void _rtl92e_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
--
GitLab
From d5cae945ebbf7f3f21cac467fc6cd6af72b92104 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:36 -0800
Subject: [PATCH 0088/2686] Staging: rtl8192e: Remove unnecessary parenthesis
in rtllib_softmac_new_net()
Remove parentheses to fix checkpatch Warning:
Unnecessary parentheses around ieee->current_network
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-2-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index b9278b26accd8..520b90abcde77 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1220,7 +1220,7 @@ inline void rtllib_softmac_new_net(struct rtllib_device *ieee,
if ((ieee->current_network.qos_data.supported == 1) &&
ieee->current_network.bssht.bd_support_ht)
ht_reset_self_and_save_peer_setting(ieee,
- &(ieee->current_network));
+ &ieee->current_network);
else
ieee->ht_info->current_ht_support = false;
--
GitLab
From 0f5986018bd5575434fef330eec585c1120b51dd Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:37 -0800
Subject: [PATCH 0089/2686] Staging: rtl8192e: Rename variable SlotIndex
Rename variable SlotIndex to slot_index to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-3-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 8 ++++----
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 8 ++++----
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
4 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index c7a2eae2fdb90..9b9d95ba06dfc 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1852,7 +1852,7 @@ bool rtl92e_is_rx_stuck(struct net_device *dev)
u16 RegRxCounter = rtl92e_readw(dev, 0x130);
bool bStuck = false;
static u8 rx_chk_cnt;
- u32 SlotIndex = 0, TotalRxStuckCount = 0;
+ u32 slot_index = 0, TotalRxStuckCount = 0;
u8 i;
u8 SilentResetRxSoltNum = 4;
@@ -1882,10 +1882,10 @@ bool rtl92e_is_rx_stuck(struct net_device *dev)
}
- SlotIndex = (priv->silent_reset_rx_slot_index++) % SilentResetRxSoltNum;
+ slot_index = (priv->silent_reset_rx_slot_index++) % SilentResetRxSoltNum;
if (priv->rx_ctr == RegRxCounter) {
- priv->silent_reset_rx_stuck_event[SlotIndex] = 1;
+ priv->silent_reset_rx_stuck_event[slot_index] = 1;
for (i = 0; i < SilentResetRxSoltNum; i++)
TotalRxStuckCount += priv->silent_reset_rx_stuck_event[i];
@@ -1897,7 +1897,7 @@ bool rtl92e_is_rx_stuck(struct net_device *dev)
priv->silent_reset_rx_stuck_event[i];
}
} else {
- priv->silent_reset_rx_stuck_event[SlotIndex] = 0;
+ priv->silent_reset_rx_stuck_event[slot_index] = 0;
}
priv->rx_ctr = RegRxCounter;
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 7b5d954acf6da..49c5d308097ae 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -914,17 +914,17 @@ static void _rtl92e_if_check_reset(struct net_device *dev)
static void _rtl92e_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
u32 *TotalRxDataNum)
{
- u16 SlotIndex;
+ u16 slot_index;
u8 i;
*TotalRxBcnNum = 0;
*TotalRxDataNum = 0;
- SlotIndex = (priv->rtllib->link_detect_info.SlotIndex++) %
+ slot_index = (priv->rtllib->link_detect_info.slot_index++) %
(priv->rtllib->link_detect_info.SlotNum);
- priv->rtllib->link_detect_info.RxBcnNum[SlotIndex] =
+ priv->rtllib->link_detect_info.RxBcnNum[slot_index] =
priv->rtllib->link_detect_info.NumRecvBcnInPeriod;
- priv->rtllib->link_detect_info.RxDataNum[SlotIndex] =
+ priv->rtllib->link_detect_info.RxDataNum[slot_index] =
priv->rtllib->link_detect_info.NumRecvDataInPeriod;
for (i = 0; i < priv->rtllib->link_detect_info.SlotNum; i++) {
*TotalRxBcnNum += priv->rtllib->link_detect_info.RxBcnNum[i];
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 7b39a1987fdd6..37bcd968a542d 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1116,7 +1116,7 @@ struct rt_link_detect {
u32 RxBcnNum[RT_MAX_LD_SLOT_NUM];
u32 RxDataNum[RT_MAX_LD_SLOT_NUM];
u16 SlotNum;
- u16 SlotIndex;
+ u16 slot_index;
u32 num_tx_ok_in_period;
u32 num_rx_ok_in_period;
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 520b90abcde77..1d490704389ee 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -2072,7 +2072,7 @@ int rtllib_softmac_init(struct rtllib_device *ieee)
for (i = 0; i < 5; i++)
ieee->seq_ctrl[i] = 0;
- ieee->link_detect_info.SlotIndex = 0;
+ ieee->link_detect_info.slot_index = 0;
ieee->link_detect_info.SlotNum = 2;
ieee->link_detect_info.NumRecvBcnInPeriod = 0;
ieee->link_detect_info.NumRecvDataInPeriod = 0;
--
GitLab
From 7fe65bc52d660309a8f51821e7ce3bce9042eac7 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:38 -0800
Subject: [PATCH 0090/2686] Staging: rtl8192e: Rename function
rtllib_MgntDisconnectAP()
Rename function rtllib_MgntDisconnectAP to rtllib_mgnt_disconnect_ap
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-4-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 1d490704389ee..6f730242728a7 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -2265,7 +2265,7 @@ static void rtllib_MlmeDisassociateRequest(struct rtllib_device *rtllib,
}
}
-static void rtllib_MgntDisconnectAP(struct rtllib_device *rtllib, u8 asRsn)
+static void rtllib_mgnt_disconnect_ap(struct rtllib_device *rtllib, u8 asRsn)
{
bool bFilterOutNonAssociatedBSSID = false;
@@ -2285,7 +2285,7 @@ bool rtllib_MgntDisconnect(struct rtllib_device *rtllib, u8 asRsn)
if (rtllib->link_state == MAC80211_LINKED) {
if (rtllib->iw_mode == IW_MODE_INFRA)
- rtllib_MgntDisconnectAP(rtllib, asRsn);
+ rtllib_mgnt_disconnect_ap(rtllib, asRsn);
}
return true;
--
GitLab
From 9ad8d831a08e28fa532d3fd0db359afdb1e3bab4 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:39 -0800
Subject: [PATCH 0091/2686] Staging: rtl8192e: Rename variable bMulticast
Rename variable bMulticast to multicast to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-5-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
drivers/staging/rtl8192e/rtllib_tx.c | 8 ++++----
3 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 37bcd968a542d..9d3c791055083 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -123,7 +123,7 @@ struct cb_desc {
u8 bPacketBW:1;
u8 bRTSUseShortPreamble:1;
u8 bRTSUseShortGI:1;
- u8 bMulticast:1;
+ u8 multicast:1;
u8 bBroadcast:1;
u8 drv_agg_enable:1;
u8 reserved2:1;
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 6f730242728a7..9db834f5d6372 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1816,7 +1816,7 @@ void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee)
/* update the tx status */
tcb_desc = (struct cb_desc *)(txb->fragments[0]->cb +
MAX_DEV_ADDR_SIZE);
- if (tcb_desc->bMulticast)
+ if (tcb_desc->multicast)
ieee->stats.multicast++;
/* if xmit available, just xmit it immediately, else just insert it to
diff --git a/drivers/staging/rtl8192e/rtllib_tx.c b/drivers/staging/rtl8192e/rtllib_tx.c
index f7098a2ba8b0b..f1e9a0390be0e 100644
--- a/drivers/staging/rtl8192e/rtllib_tx.c
+++ b/drivers/staging/rtl8192e/rtllib_tx.c
@@ -356,7 +356,7 @@ static void rtllib_query_BandwidthMode(struct rtllib_device *ieee,
if (!ht_info->current_ht_support || !ht_info->enable_ht)
return;
- if (tcb_desc->bMulticast || tcb_desc->bBroadcast)
+ if (tcb_desc->multicast || tcb_desc->bBroadcast)
return;
if ((tcb_desc->data_rate & 0x80) == 0)
@@ -378,7 +378,7 @@ static void rtllib_query_protectionmode(struct rtllib_device *ieee,
tcb_desc->RTSSC = 0;
tcb_desc->bRTSBW = false;
- if (tcb_desc->bBroadcast || tcb_desc->bMulticast)
+ if (tcb_desc->bBroadcast || tcb_desc->multicast)
return;
if (is_broadcast_ether_addr(skb->data + 16))
@@ -843,11 +843,11 @@ static int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev)
tcb_desc->tx_use_drv_assinged_rate = 1;
} else {
if (is_multicast_ether_addr(header.addr1))
- tcb_desc->bMulticast = 1;
+ tcb_desc->multicast = 1;
if (is_broadcast_ether_addr(header.addr1))
tcb_desc->bBroadcast = 1;
rtllib_txrate_selectmode(ieee, tcb_desc);
- if (tcb_desc->bMulticast || tcb_desc->bBroadcast)
+ if (tcb_desc->multicast || tcb_desc->bBroadcast)
tcb_desc->data_rate = ieee->basic_rate;
else
tcb_desc->data_rate = rtllib_current_rate(ieee);
--
GitLab
From 698888bdbde4c3e250f6f7f846db19d412db3f99 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:40 -0800
Subject: [PATCH 0092/2686] Staging: rtl8192e: Rename variable MaxPeriod
Rename variable MaxPeriod to max_period to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-6-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 9db834f5d6372..0d53e0a92a4cc 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1381,12 +1381,12 @@ static short rtllib_sta_ps_sleep(struct rtllib_device *ieee, u64 *time)
if (ieee->bAwakePktSent) {
psc->LPSAwakeIntvl = 1;
} else {
- u8 MaxPeriod = 5;
+ u8 max_period = 5;
if (psc->LPSAwakeIntvl == 0)
psc->LPSAwakeIntvl = 1;
psc->LPSAwakeIntvl = (psc->LPSAwakeIntvl >=
- MaxPeriod) ? MaxPeriod :
+ max_period) ? max_period :
(psc->LPSAwakeIntvl + 1);
}
{
--
GitLab
From eba9c98485df2d142af106e5ba4359ab3da6cb43 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:41 -0800
Subject: [PATCH 0093/2686] Staging: rtl8192e: Rename variable bAwakePktSent
Rename variable bAwakePktSent to awake_pkt_sent to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-7-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 2 +-
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 49c5d308097ae..d0898df6053d6 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -1256,7 +1256,7 @@ static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb)
int idx;
u32 fwinfo_size = 0;
- priv->rtllib->bAwakePktSent = true;
+ priv->rtllib->awake_pkt_sent = true;
fwinfo_size = sizeof(struct tx_fwinfo_8190pci);
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 9d3c791055083..9d6704fc86ffa 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1374,7 +1374,7 @@ struct rtllib_device {
/* for PS mode */
unsigned long last_rx_ps_time;
- bool bAwakePktSent;
+ bool awake_pkt_sent;
u8 LPSDelayCnt;
/* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 0d53e0a92a4cc..08ff55c2f1be3 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1378,7 +1378,7 @@ static short rtllib_sta_ps_sleep(struct rtllib_device *ieee, u64 *time)
return 0;
if (time) {
- if (ieee->bAwakePktSent) {
+ if (ieee->awake_pkt_sent) {
psc->LPSAwakeIntvl = 1;
} else {
u8 max_period = 5;
@@ -1461,7 +1461,7 @@ static inline void rtllib_sta_ps(struct work_struct *work)
spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
}
- ieee->bAwakePktSent = false;
+ ieee->awake_pkt_sent = false;
} else if (sleep == 2) {
spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
--
GitLab
From c7c4440d19623011ff72c966b5d0f1bb37479649 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:42 -0800
Subject: [PATCH 0094/2686] Staging: rtl8192e: Rename variable bSupportNmode
Rename variable bSupportNmode to support_nmode to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-8-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 08ff55c2f1be3..85e6e727bec77 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1648,7 +1648,7 @@ static void rtllib_rx_auth_resp(struct rtllib_device *ieee, struct sk_buff *skb)
int errcode;
u8 *challenge;
int chlen = 0;
- bool bSupportNmode = true, bHalfSupportNmode = false;
+ bool support_nmode = true, bHalfSupportNmode = false;
errcode = auth_parse(ieee->dev, skb, &challenge, &chlen);
@@ -1666,16 +1666,16 @@ static void rtllib_rx_auth_resp(struct rtllib_device *ieee, struct sk_buff *skb)
if (!(ieee->ht_info->iot_action & HT_IOT_ACT_PURE_N_MODE)) {
if (!ieee->GetNmodeSupportBySecCfg(ieee->dev)) {
if (is_ht_half_nmode_aps(ieee)) {
- bSupportNmode = true;
+ support_nmode = true;
bHalfSupportNmode = true;
} else {
- bSupportNmode = false;
+ support_nmode = false;
bHalfSupportNmode = false;
}
}
}
/* Dummy wirless mode setting to avoid encryption issue */
- if (bSupportNmode) {
+ if (support_nmode) {
ieee->set_wireless_mode(ieee->dev,
ieee->current_network.mode);
} else {
--
GitLab
From 6593d5bcf14a7988335e1635bc3e9e7d8f6b7137 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:43 -0800
Subject: [PATCH 0095/2686] Staging: rtl8192e: Rename variable bBusyTraffic
Rename variable bBusyTraffic to busy_traffic to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-9-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 6 +++---
drivers/staging/rtl8192e/rtl8192e/rtl_wx.c | 2 +-
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
4 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index d0898df6053d6..5d0b977b313b1 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -942,7 +942,7 @@ static void _rtl92e_watchdog_wq_cb(void *data)
unsigned long flags;
struct rt_pwr_save_ctrl *psc = (struct rt_pwr_save_ctrl *)
(&priv->rtllib->pwr_save_ctrl);
- bool bBusyTraffic = false;
+ bool busy_traffic = false;
bool bHigherBusyTraffic = false;
bool bHigherBusyRxTraffic = false;
bool bEnterPS = false;
@@ -972,7 +972,7 @@ static void _rtl92e_watchdog_wq_cb(void *data)
if ((ieee->link_state == MAC80211_LINKED) && (ieee->iw_mode == IW_MODE_INFRA)) {
if (ieee->link_detect_info.num_rx_ok_in_period > 100 ||
ieee->link_detect_info.num_tx_ok_in_period > 100)
- bBusyTraffic = true;
+ busy_traffic = true;
if (ieee->link_detect_info.num_rx_ok_in_period > 4000 ||
ieee->link_detect_info.num_tx_ok_in_period > 4000) {
@@ -1005,7 +1005,7 @@ static void _rtl92e_watchdog_wq_cb(void *data)
ieee->link_detect_info.num_rx_ok_in_period = 0;
ieee->link_detect_info.num_tx_ok_in_period = 0;
ieee->link_detect_info.NumRxUnicastOkInPeriod = 0;
- ieee->link_detect_info.bBusyTraffic = bBusyTraffic;
+ ieee->link_detect_info.busy_traffic = busy_traffic;
ieee->link_detect_info.bHigherBusyTraffic = bHigherBusyTraffic;
ieee->link_detect_info.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
index 4c884c5277f94..5fd44d0c4b1df 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
@@ -253,7 +253,7 @@ static int _rtl92e_wx_set_scan(struct net_device *dev,
rt_state = priv->rtllib->rf_power_state;
if (!priv->up)
return -ENETDOWN;
- if (priv->rtllib->link_detect_info.bBusyTraffic)
+ if (priv->rtllib->link_detect_info.busy_traffic)
return -EAGAIN;
if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 9d6704fc86ffa..d127528e79326 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1121,7 +1121,7 @@ struct rt_link_detect {
u32 num_tx_ok_in_period;
u32 num_rx_ok_in_period;
u32 NumRxUnicastOkInPeriod;
- bool bBusyTraffic;
+ bool busy_traffic;
bool bHigherBusyTraffic;
bool bHigherBusyRxTraffic;
};
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 85e6e727bec77..40d6ae15b246a 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1734,7 +1734,7 @@ rtllib_rx_deauth(struct rtllib_device *ieee, struct sk_buff *skb)
ieee->link_state = RTLLIB_ASSOCIATING;
ieee->softmac_stats.reassoc++;
ieee->is_roaming = true;
- ieee->link_detect_info.bBusyTraffic = false;
+ ieee->link_detect_info.busy_traffic = false;
rtllib_disassociate(ieee);
RemovePeerTS(ieee, header->addr2);
if (!(ieee->rtllib_ap_sec_type(ieee) &
--
GitLab
From 5d8fef84aa9a6c5eb16c076a99f2e454a5687bde Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:44 -0800
Subject: [PATCH 0096/2686] Staging: rtl8192e: Rename function
rtllib_MgntDisconnect()
Rename function rtllib_MgntDisconnect to rtllib_mgnt_disconnect fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-10-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 2 +-
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 5d0b977b313b1..d30a802c26502 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -172,7 +172,7 @@ bool rtl92e_set_rf_state(struct net_device *dev,
priv->blinked_ingpio = true;
else
priv->blinked_ingpio = false;
- rtllib_MgntDisconnect(priv->rtllib,
+ rtllib_mgnt_disconnect(priv->rtllib,
WLAN_REASON_DISASSOC_STA_HAS_LEFT);
}
}
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index d127528e79326..35c66ecd20e6e 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1805,7 +1805,7 @@ static inline const char *escape_essid(const char *essid, u8 essid_len)
}
/* fun with the built-in rtllib stack... */
-bool rtllib_MgntDisconnect(struct rtllib_device *rtllib, u8 asRsn);
+bool rtllib_mgnt_disconnect(struct rtllib_device *rtllib, u8 asRsn);
/* For the function is more related to hardware setting, it's better to use the
* ieee handler to refer to it.
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 40d6ae15b246a..3d7fad28c414f 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -2278,7 +2278,7 @@ static void rtllib_mgnt_disconnect_ap(struct rtllib_device *rtllib, u8 asRsn)
rtllib->link_state = MAC80211_NOLINK;
}
-bool rtllib_MgntDisconnect(struct rtllib_device *rtllib, u8 asRsn)
+bool rtllib_mgnt_disconnect(struct rtllib_device *rtllib, u8 asRsn)
{
if (rtllib->ps != RTLLIB_PS_DISABLED)
rtllib->sta_wake_up(rtllib->dev);
@@ -2290,7 +2290,7 @@ bool rtllib_MgntDisconnect(struct rtllib_device *rtllib, u8 asRsn)
return true;
}
-EXPORT_SYMBOL(rtllib_MgntDisconnect);
+EXPORT_SYMBOL(rtllib_mgnt_disconnect);
void notify_wx_assoc_event(struct rtllib_device *ieee)
{
--
GitLab
From e2bf5a27c0fb921d63798076d7b183c7d58b271f Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:45 -0800
Subject: [PATCH 0097/2686] Staging: rtl8192e: Rename variable
bFilterOutNonAssociatedBSSID
Rename variable bFilterOutNonAssociatedBSSID -> filter_out_nonassociated_bssid
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-11-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 3d7fad28c414f..98c1041214fb9 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -2267,11 +2267,11 @@ static void rtllib_MlmeDisassociateRequest(struct rtllib_device *rtllib,
static void rtllib_mgnt_disconnect_ap(struct rtllib_device *rtllib, u8 asRsn)
{
- bool bFilterOutNonAssociatedBSSID = false;
+ bool filter_out_nonassociated_bssid = false;
- bFilterOutNonAssociatedBSSID = false;
+ filter_out_nonassociated_bssid = false;
rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_CECHK_BSSID,
- (u8 *)(&bFilterOutNonAssociatedBSSID));
+ (u8 *)(&filter_out_nonassociated_bssid));
rtllib_MlmeDisassociateRequest(rtllib, rtllib->current_network.bssid,
asRsn);
--
GitLab
From a89dd127306ebf090607554f644fbf2b52a71884 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:46 -0800
Subject: [PATCH 0098/2686] Staging: rtl8192e: Rename variable array Bssid
Rename variable array Bssid -> bssid to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-12-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 35c66ecd20e6e..f379819287b4e 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1161,7 +1161,7 @@ struct rate_adaptive {
#define NUM_PMKID_CACHE 16
struct rt_pmkid_list {
- u8 Bssid[ETH_ALEN];
+ u8 bssid[ETH_ALEN];
u8 PMKID[16];
u8 SsidBuf[33];
u8 used;
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 98c1041214fb9..8fb69fa09cc24 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -671,7 +671,7 @@ static inline int SecIsInPMKIDList(struct rtllib_device *ieee, u8 *bssid)
do {
if ((ieee->PMKIDList[i].used) &&
- (memcmp(ieee->PMKIDList[i].Bssid, bssid, ETH_ALEN) == 0))
+ (memcmp(ieee->PMKIDList[i].bssid, bssid, ETH_ALEN) == 0))
break;
i++;
} while (i < NUM_PMKID_CACHE);
--
GitLab
From 124f2e444e6cfe518aea81bb9f92bb75179ca9f6 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:47 -0800
Subject: [PATCH 0099/2686] Staging: rtl8192e: Rename variable
NumRxUnicastOkInPeriod
Rename variable NumRxUnicastOkInPeriod to num_rx_unicast_ok_in_period
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-13-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 6 +++---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_rx.c | 6 +++---
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
4 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index d30a802c26502..5f19d62a92449 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -983,9 +983,9 @@ static void _rtl92e_watchdog_wq_cb(void *data)
bHigherBusyRxTraffic = false;
}
- if (((ieee->link_detect_info.NumRxUnicastOkInPeriod +
+ if (((ieee->link_detect_info.num_rx_unicast_ok_in_period +
ieee->link_detect_info.num_tx_ok_in_period) > 8) ||
- (ieee->link_detect_info.NumRxUnicastOkInPeriod > 2))
+ (ieee->link_detect_info.num_rx_unicast_ok_in_period > 2))
bEnterPS = false;
else
bEnterPS = true;
@@ -1004,7 +1004,7 @@ static void _rtl92e_watchdog_wq_cb(void *data)
ieee->link_detect_info.num_rx_ok_in_period = 0;
ieee->link_detect_info.num_tx_ok_in_period = 0;
- ieee->link_detect_info.NumRxUnicastOkInPeriod = 0;
+ ieee->link_detect_info.num_rx_unicast_ok_in_period = 0;
ieee->link_detect_info.busy_traffic = busy_traffic;
ieee->link_detect_info.bHigherBusyTraffic = bHigherBusyTraffic;
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index f379819287b4e..5cab1aa6455a2 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1120,7 +1120,7 @@ struct rt_link_detect {
u32 num_tx_ok_in_period;
u32 num_rx_ok_in_period;
- u32 NumRxUnicastOkInPeriod;
+ u32 num_rx_unicast_ok_in_period;
bool busy_traffic;
bool bHigherBusyTraffic;
bool bHigherBusyRxTraffic;
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index 4df20f4d6bf91..f777febcfe3bb 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -1149,9 +1149,9 @@ static void rtllib_rx_check_leave_lps(struct rtllib_device *ieee, u8 unicast,
{
if (unicast) {
if (ieee->link_state == MAC80211_LINKED) {
- if (((ieee->link_detect_info.NumRxUnicastOkInPeriod +
+ if (((ieee->link_detect_info.num_rx_unicast_ok_in_period +
ieee->link_detect_info.num_tx_ok_in_period) > 8) ||
- (ieee->link_detect_info.NumRxUnicastOkInPeriod > 2)) {
+ (ieee->link_detect_info.num_rx_unicast_ok_in_period > 2)) {
ieee->leisure_ps_leave(ieee->dev);
}
}
@@ -1363,7 +1363,7 @@ static int rtllib_rx_InfraAdhoc(struct rtllib_device *ieee, struct sk_buff *skb,
else
nr_subframes = 1;
if (unicast)
- ieee->link_detect_info.NumRxUnicastOkInPeriod += nr_subframes;
+ ieee->link_detect_info.num_rx_unicast_ok_in_period += nr_subframes;
rtllib_rx_check_leave_lps(ieee, unicast, nr_subframes);
/* Indicate packets to upper layer or Rx Reorder */
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 8fb69fa09cc24..9a9b8f63218be 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -2078,7 +2078,7 @@ int rtllib_softmac_init(struct rtllib_device *ieee)
ieee->link_detect_info.NumRecvDataInPeriod = 0;
ieee->link_detect_info.num_tx_ok_in_period = 0;
ieee->link_detect_info.num_rx_ok_in_period = 0;
- ieee->link_detect_info.NumRxUnicastOkInPeriod = 0;
+ ieee->link_detect_info.num_rx_unicast_ok_in_period = 0;
ieee->is_aggregate_frame = false;
ieee->assoc_id = 0;
ieee->queue_stop = 0;
--
GitLab
From 254c59bfdeaf7987d08317e08f55760ef857675f Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:48 -0800
Subject: [PATCH 0100/2686] Staging: rtl8192e: Rename variable SlotNum
Rename variable SlotNum to slot_num to fix checkpatch warning Avoid
CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-14-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 4 ++--
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
3 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 5f19d62a92449..bfba6d1a278bb 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -921,12 +921,12 @@ static void _rtl92e_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
*TotalRxDataNum = 0;
slot_index = (priv->rtllib->link_detect_info.slot_index++) %
- (priv->rtllib->link_detect_info.SlotNum);
+ (priv->rtllib->link_detect_info.slot_num);
priv->rtllib->link_detect_info.RxBcnNum[slot_index] =
priv->rtllib->link_detect_info.NumRecvBcnInPeriod;
priv->rtllib->link_detect_info.RxDataNum[slot_index] =
priv->rtllib->link_detect_info.NumRecvDataInPeriod;
- for (i = 0; i < priv->rtllib->link_detect_info.SlotNum; i++) {
+ for (i = 0; i < priv->rtllib->link_detect_info.slot_num; i++) {
*TotalRxBcnNum += priv->rtllib->link_detect_info.RxBcnNum[i];
*TotalRxDataNum += priv->rtllib->link_detect_info.RxDataNum[i];
}
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 5cab1aa6455a2..26ceb579afeb4 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1115,7 +1115,7 @@ struct rt_link_detect {
u32 RxBcnNum[RT_MAX_LD_SLOT_NUM];
u32 RxDataNum[RT_MAX_LD_SLOT_NUM];
- u16 SlotNum;
+ u16 slot_num;
u16 slot_index;
u32 num_tx_ok_in_period;
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 9a9b8f63218be..d7edfa1dca65d 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1072,7 +1072,7 @@ static void rtllib_associate_complete_wq(void *data)
ieee->ht_info->enable_ht);
memset(ieee->dot11ht_oper_rate_set, 0, 16);
}
- ieee->link_detect_info.SlotNum = 2 * (1 +
+ ieee->link_detect_info.slot_num = 2 * (1 +
ieee->current_network.beacon_interval /
500);
if (ieee->link_detect_info.NumRecvBcnInPeriod == 0 ||
@@ -2073,7 +2073,7 @@ int rtllib_softmac_init(struct rtllib_device *ieee)
ieee->seq_ctrl[i] = 0;
ieee->link_detect_info.slot_index = 0;
- ieee->link_detect_info.SlotNum = 2;
+ ieee->link_detect_info.slot_num = 2;
ieee->link_detect_info.NumRecvBcnInPeriod = 0;
ieee->link_detect_info.NumRecvDataInPeriod = 0;
ieee->link_detect_info.num_tx_ok_in_period = 0;
--
GitLab
From f70205ad3c2369d7c6c647f62c74c333e88cabf9 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:49 -0800
Subject: [PATCH 0101/2686] Staging: rtl8192e: Rename variable RemoveAllTS
Rename variable RemoveAllTS to remove_all_ts to fix checkpatch warning Avoid
CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-15-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_TSProc.c | 2 +-
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_TSProc.c b/drivers/staging/rtl8192e/rtl819x_TSProc.c
index 7e73d31dcccfc..48374cae816de 100644
--- a/drivers/staging/rtl8192e/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_TSProc.c
@@ -402,7 +402,7 @@ void RemovePeerTS(struct rtllib_device *ieee, u8 *addr)
}
EXPORT_SYMBOL(RemovePeerTS);
-void RemoveAllTS(struct rtllib_device *ieee)
+void remove_all_ts(struct rtllib_device *ieee)
{
struct ts_common_info *ts, *pTmpTS;
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 26ceb579afeb4..ed9ca77fbcb93 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1789,7 +1789,7 @@ void rtllib_ts_init(struct rtllib_device *ieee);
void TsStartAddBaProcess(struct rtllib_device *ieee,
struct tx_ts_record *pTxTS);
void RemovePeerTS(struct rtllib_device *ieee, u8 *addr);
-void RemoveAllTS(struct rtllib_device *ieee);
+void remove_all_ts(struct rtllib_device *ieee);
static inline const char *escape_essid(const char *essid, u8 essid_len)
{
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index d7edfa1dca65d..b9750c9b39522 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -2002,7 +2002,7 @@ void rtllib_stop_protocol(struct rtllib_device *ieee)
rtllib_disassociate(ieee);
}
- RemoveAllTS(ieee);
+ remove_all_ts(ieee);
ieee->proto_stoppping = 0;
kfree(ieee->assocreq_ies);
--
GitLab
From b7e6e1ef1960cb49113a85788ec4a9f6ae0523b7 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:50 -0800
Subject: [PATCH 0102/2686] Staging: rtl8192e: Rename function RemovePeerTS()
Rename function RemovePeerTS to remove_peer_ts to fix checkpatch warning Avoid
CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-16-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 2 +-
drivers/staging/rtl8192e/rtl819x_TSProc.c | 4 ++--
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
4 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index bfba6d1a278bb..3889443330cfd 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -1031,7 +1031,7 @@ static void _rtl92e_watchdog_wq_cb(void *data)
ieee->link_state = RTLLIB_ASSOCIATING;
- RemovePeerTS(priv->rtllib,
+ remove_peer_ts(priv->rtllib,
priv->rtllib->current_network.bssid);
ieee->is_roaming = true;
ieee->is_set_key = false;
diff --git a/drivers/staging/rtl8192e/rtl819x_TSProc.c b/drivers/staging/rtl8192e/rtl819x_TSProc.c
index 48374cae816de..e9a193b5ab10e 100644
--- a/drivers/staging/rtl8192e/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_TSProc.c
@@ -360,7 +360,7 @@ static void RemoveTsEntry(struct rtllib_device *ieee,
}
}
-void RemovePeerTS(struct rtllib_device *ieee, u8 *addr)
+void remove_peer_ts(struct rtllib_device *ieee, u8 *addr)
{
struct ts_common_info *ts, *pTmpTS;
@@ -400,7 +400,7 @@ void RemovePeerTS(struct rtllib_device *ieee, u8 *addr)
}
}
}
-EXPORT_SYMBOL(RemovePeerTS);
+EXPORT_SYMBOL(remove_peer_ts);
void remove_all_ts(struct rtllib_device *ieee)
{
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index ed9ca77fbcb93..d20a1809cffde 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1788,7 +1788,7 @@ bool rtllib_get_ts(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8
void rtllib_ts_init(struct rtllib_device *ieee);
void TsStartAddBaProcess(struct rtllib_device *ieee,
struct tx_ts_record *pTxTS);
-void RemovePeerTS(struct rtllib_device *ieee, u8 *addr);
+void remove_peer_ts(struct rtllib_device *ieee, u8 *addr);
void remove_all_ts(struct rtllib_device *ieee);
static inline const char *escape_essid(const char *essid, u8 essid_len)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index b9750c9b39522..ff43697768cbb 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1736,7 +1736,7 @@ rtllib_rx_deauth(struct rtllib_device *ieee, struct sk_buff *skb)
ieee->is_roaming = true;
ieee->link_detect_info.busy_traffic = false;
rtllib_disassociate(ieee);
- RemovePeerTS(ieee, header->addr2);
+ remove_peer_ts(ieee, header->addr2);
if (!(ieee->rtllib_ap_sec_type(ieee) &
(SEC_ALG_CCMP | SEC_ALG_TKIP)))
schedule_delayed_work(
@@ -2247,7 +2247,7 @@ static void rtllib_MlmeDisassociateRequest(struct rtllib_device *rtllib,
u8 i;
u8 op_mode;
- RemovePeerTS(rtllib, asSta);
+ remove_peer_ts(rtllib, asSta);
if (memcmp(rtllib->current_network.bssid, asSta, 6) == 0) {
rtllib->link_state = MAC80211_NOLINK;
--
GitLab
From 053e3b7c4d1d313c9ee47bd680621269c5db51dd Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:51 -0800
Subject: [PATCH 0103/2686] Staging: rtl8192e: Rename function
rtllib_MlmeDisassociateRequest()
Rename function rtllib_MlmeDisassociateRequest to
rtllib_mlme_disassociate_request to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-17-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index ff43697768cbb..7c5056f9f6f54 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -2241,7 +2241,7 @@ u8 rtllib_ap_sec_type(struct rtllib_device *ieee)
}
}
-static void rtllib_MlmeDisassociateRequest(struct rtllib_device *rtllib,
+static void rtllib_mlme_disassociate_request(struct rtllib_device *rtllib,
u8 *asSta, u8 asRsn)
{
u8 i;
@@ -2272,7 +2272,7 @@ static void rtllib_mgnt_disconnect_ap(struct rtllib_device *rtllib, u8 asRsn)
filter_out_nonassociated_bssid = false;
rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_CECHK_BSSID,
(u8 *)(&filter_out_nonassociated_bssid));
- rtllib_MlmeDisassociateRequest(rtllib, rtllib->current_network.bssid,
+ rtllib_mlme_disassociate_request(rtllib, rtllib->current_network.bssid,
asRsn);
rtllib->link_state = MAC80211_NOLINK;
--
GitLab
From c41616e98a00286ded2599348579cd016051a779 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:52 -0800
Subject: [PATCH 0104/2686] Staging: rtl8192e: Rename function
SendDisassociation()
Rename function SendDisassociation to send_disassociation to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-18-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
drivers/staging/rtl8192e/rtllib_wx.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index d20a1809cffde..c453af8dec47f 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1662,7 +1662,7 @@ int rtllib_rx_frame_softmac(struct rtllib_device *ieee, struct sk_buff *skb,
void rtllib_softmac_new_net(struct rtllib_device *ieee,
struct rtllib_network *net);
-void SendDisassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn);
+void send_disassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn);
void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee);
int rtllib_softmac_init(struct rtllib_device *ieee);
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 7c5056f9f6f54..b422ffbf0cbc0 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1998,7 +1998,7 @@ void rtllib_stop_protocol(struct rtllib_device *ieee)
if (ieee->link_state == MAC80211_LINKED) {
if (ieee->iw_mode == IW_MODE_INFRA)
- SendDisassociation(ieee, 1, WLAN_REASON_DEAUTH_LEAVING);
+ send_disassociation(ieee, 1, WLAN_REASON_DEAUTH_LEAVING);
rtllib_disassociate(ieee);
}
@@ -2199,7 +2199,7 @@ rtllib_disassociate_skb(struct rtllib_network *beacon,
return skb;
}
-void SendDisassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn)
+void send_disassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn)
{
struct rtllib_network *beacon = &ieee->current_network;
struct sk_buff *skb;
diff --git a/drivers/staging/rtl8192e/rtllib_wx.c b/drivers/staging/rtl8192e/rtllib_wx.c
index f92ec0faf4d56..55a3e4222cd67 100644
--- a/drivers/staging/rtl8192e/rtllib_wx.c
+++ b/drivers/staging/rtl8192e/rtllib_wx.c
@@ -636,7 +636,7 @@ int rtllib_wx_set_mlme(struct rtllib_device *ieee,
ieee->cannot_notify = true;
- SendDisassociation(ieee, deauth, mlme->reason_code);
+ send_disassociation(ieee, deauth, mlme->reason_code);
rtllib_disassociate(ieee);
ieee->wap_set = 0;
--
GitLab
From 64df2dccb87d180e403861cf80bfd3ea83456242 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:53 -0800
Subject: [PATCH 0105/2686] Staging: rtl8192e: Rename variable
bHalfSupportNmode
Rename variable bHalfSupportNmode to half_support_nmode to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-19-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index b422ffbf0cbc0..5305486c95946 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1648,7 +1648,7 @@ static void rtllib_rx_auth_resp(struct rtllib_device *ieee, struct sk_buff *skb)
int errcode;
u8 *challenge;
int chlen = 0;
- bool support_nmode = true, bHalfSupportNmode = false;
+ bool support_nmode = true, half_support_nmode = false;
errcode = auth_parse(ieee->dev, skb, &challenge, &chlen);
@@ -1667,10 +1667,10 @@ static void rtllib_rx_auth_resp(struct rtllib_device *ieee, struct sk_buff *skb)
if (!ieee->GetNmodeSupportBySecCfg(ieee->dev)) {
if (is_ht_half_nmode_aps(ieee)) {
support_nmode = true;
- bHalfSupportNmode = true;
+ half_support_nmode = true;
} else {
support_nmode = false;
- bHalfSupportNmode = false;
+ half_support_nmode = false;
}
}
}
@@ -1684,7 +1684,7 @@ static void rtllib_rx_auth_resp(struct rtllib_device *ieee, struct sk_buff *skb)
}
if ((ieee->current_network.mode == WIRELESS_MODE_N_24G) &&
- bHalfSupportNmode) {
+ half_support_nmode) {
netdev_info(ieee->dev, "======>enter half N mode\n");
ieee->bHalfWirelessN24GMode = true;
} else {
--
GitLab
From 7ee99ed399ff20fddad65ddc51821b8e859384ae Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:54 -0800
Subject: [PATCH 0106/2686] Staging: rtl8192e: Rename variable PMKCacheIdx
Rename variable PMKCacheIdx to pmk_cache_idx to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-20-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 5305486c95946..533af4b28aa74 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -700,7 +700,7 @@ rtllib_association_req(struct rtllib_network *beacon,
unsigned int cxvernum_ie_len = 0;
struct lib80211_crypt_data *crypt;
int encrypt;
- int PMKCacheIdx;
+ int pmk_cache_idx;
unsigned int rate_len = (beacon->rates_len ?
(beacon->rates_len + 2) : 0) +
@@ -748,8 +748,8 @@ rtllib_association_req(struct rtllib_network *beacon,
if (beacon->BssCcxVerNumber >= 2)
cxvernum_ie_len = 5 + 2;
- PMKCacheIdx = SecIsInPMKIDList(ieee, ieee->current_network.bssid);
- if (PMKCacheIdx >= 0) {
+ pmk_cache_idx = SecIsInPMKIDList(ieee, ieee->current_network.bssid);
+ if (pmk_cache_idx >= 0) {
wpa_ie_len += 18;
netdev_info(ieee->dev, "[PMK cache]: WPA2 IE length: %x\n",
wpa_ie_len);
@@ -878,11 +878,11 @@ rtllib_association_req(struct rtllib_network *beacon,
if (wpa_ie_len) {
skb_put_data(skb, ieee->wpa_ie, ieee->wpa_ie_len);
- if (PMKCacheIdx >= 0) {
+ if (pmk_cache_idx >= 0) {
tag = skb_put(skb, 18);
*tag = 1;
*(tag + 1) = 0;
- memcpy((tag + 2), &ieee->PMKIDList[PMKCacheIdx].PMKID,
+ memcpy((tag + 2), &ieee->PMKIDList[pmk_cache_idx].PMKID,
16);
}
}
--
GitLab
From c9f43ad42187652383f89df279a03a675a6b4362 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:55 -0800
Subject: [PATCH 0107/2686] Staging: rtl8192e: Rename function
GetNmodeSupportBySecCfg()
Rename function GetNmodeSupportBySecCfg to get_nmode_support_by_sec_cfg
fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-21-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 2 +-
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
drivers/staging/rtl8192e/rtllib_tx.c | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 3889443330cfd..32acba4ce3f74 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -656,7 +656,7 @@ static void _rtl92e_init_priv_handler(struct net_device *dev)
priv->rtllib->enter_sleep_state = rtl92e_enter_sleep;
priv->rtllib->ps_is_queue_empty = _rtl92e_is_tx_queue_empty;
- priv->rtllib->GetNmodeSupportBySecCfg = rtl92e_get_nmode_support_by_sec;
+ priv->rtllib->get_nmode_support_by_sec_cfg = rtl92e_get_nmode_support_by_sec;
priv->rtllib->GetHalfNmodeSupportByAPsHandler =
rtl92e_is_halfn_supported_by_ap;
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index c453af8dec47f..2d753a1593583 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1484,7 +1484,7 @@ struct rtllib_device {
void (*set_bw_mode_handler)(struct net_device *dev,
enum ht_channel_width bandwidth,
enum ht_extchnl_offset Offset);
- bool (*GetNmodeSupportBySecCfg)(struct net_device *dev);
+ bool (*get_nmode_support_by_sec_cfg)(struct net_device *dev);
void (*set_wireless_mode)(struct net_device *dev, u8 wireless_mode);
bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device *dev);
u8 (*rtllib_ap_sec_type)(struct rtllib_device *ieee);
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 533af4b28aa74..b9b79f6b0c082 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1664,7 +1664,7 @@ static void rtllib_rx_auth_resp(struct rtllib_device *ieee, struct sk_buff *skb)
ieee->link_state = RTLLIB_ASSOCIATING_AUTHENTICATED;
ieee->softmac_stats.rx_auth_rs_ok++;
if (!(ieee->ht_info->iot_action & HT_IOT_ACT_PURE_N_MODE)) {
- if (!ieee->GetNmodeSupportBySecCfg(ieee->dev)) {
+ if (!ieee->get_nmode_support_by_sec_cfg(ieee->dev)) {
if (is_ht_half_nmode_aps(ieee)) {
support_nmode = true;
half_support_nmode = true;
diff --git a/drivers/staging/rtl8192e/rtllib_tx.c b/drivers/staging/rtl8192e/rtllib_tx.c
index f1e9a0390be0e..b82f3415085bf 100644
--- a/drivers/staging/rtl8192e/rtllib_tx.c
+++ b/drivers/staging/rtl8192e/rtllib_tx.c
@@ -286,7 +286,7 @@ static void rtllib_tx_query_agg_cap(struct rtllib_device *ieee,
if (ht_info->iot_action & HT_IOT_ACT_TX_NO_AGGREGATION)
return;
- if (!ieee->GetNmodeSupportBySecCfg(ieee->dev))
+ if (!ieee->get_nmode_support_by_sec_cfg(ieee->dev))
return;
if (ht_info->current_ampdu_enable) {
if (!rtllib_get_ts(ieee, (struct ts_common_info **)(&ts), hdr->addr1,
--
GitLab
From 1cc357dd4e9563c9796f84f3777e4877e1f7ad86 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 5 Jan 2024 21:55:56 -0800
Subject: [PATCH 0108/2686] Staging: rtl8192e: Rename variable AsocRetryCount
Rename variable AsocRetryCount to asoc_retry_count to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240106055556.430948-22-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 8 ++++----
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 2d753a1593583..0fdc767d43e05 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1381,7 +1381,7 @@ struct rtllib_device {
struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
int mgmt_queue_head;
int mgmt_queue_tail;
- u8 AsocRetryCount;
+ u8 asoc_retry_count;
struct sk_buff_head skb_waitq[MAX_QUEUE_SIZE];
bool bdynamic_txpower_enable;
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index b9b79f6b0c082..9d1e9b780bc7f 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1216,7 +1216,7 @@ inline void rtllib_softmac_new_net(struct rtllib_device *ieee,
ieee->wmm_acm = 0;
if (ieee->iw_mode == IW_MODE_INFRA) {
/* Join the network for the first time */
- ieee->AsocRetryCount = 0;
+ ieee->asoc_retry_count = 0;
if ((ieee->current_network.qos_data.supported == 1) &&
ieee->current_network.bssht.bd_support_ht)
ht_reset_self_and_save_peer_setting(ieee,
@@ -1319,10 +1319,10 @@ static inline u16 assoc_parse(struct rtllib_device *ieee, struct sk_buff *skb,
status_code == WLAN_STATUS_CAPS_UNSUPPORTED) &&
((ieee->mode == WIRELESS_MODE_G) &&
(ieee->current_network.mode == WIRELESS_MODE_N_24G) &&
- (ieee->AsocRetryCount++ < (RT_ASOC_RETRY_LIMIT - 1)))) {
+ (ieee->asoc_retry_count++ < (RT_ASOC_RETRY_LIMIT - 1)))) {
ieee->ht_info->iot_action |= HT_IOT_ACT_PURE_N_MODE;
} else {
- ieee->AsocRetryCount = 0;
+ ieee->asoc_retry_count = 0;
}
return le16_to_cpu(response_head->status);
@@ -1634,7 +1634,7 @@ rtllib_rx_assoc_resp(struct rtllib_device *ieee, struct sk_buff *skb,
netdev_info(ieee->dev,
"Association response status code 0x%x\n",
errcode);
- if (ieee->AsocRetryCount < RT_ASOC_RETRY_LIMIT)
+ if (ieee->asoc_retry_count < RT_ASOC_RETRY_LIMIT)
schedule_delayed_work(&ieee->associate_procedure_wq, 0);
else
rtllib_associate_abort(ieee);
--
GitLab
From 9914cd29453564568668db8147973dba348c12ee Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Fri, 5 Jan 2024 11:38:08 +0100
Subject: [PATCH 0109/2686] staging: greybus: gbphy: make gbphy_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the gbphy_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Alex Elder <elder@kernel.org>
Cc: greybus-dev@lists.linaro.org
Cc: linux-staging@lists.linux.dev
Reviewed-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/2024010508-fossil-glove-c2c6@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/greybus/gbphy.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/greybus/gbphy.c b/drivers/staging/greybus/gbphy.c
index 6a7d8cf2a1ebc..1c41b008ba393 100644
--- a/drivers/staging/greybus/gbphy.c
+++ b/drivers/staging/greybus/gbphy.c
@@ -182,7 +182,7 @@ static void gbphy_dev_remove(struct device *dev)
pm_runtime_dont_use_autosuspend(dev);
}
-static struct bus_type gbphy_bus_type = {
+static const struct bus_type gbphy_bus_type = {
.name = "gbphy",
.match = gbphy_dev_match,
.probe = gbphy_dev_probe,
--
GitLab
From 11e922cf62ee8a61e807c6205fce8cce2d0e11eb Mon Sep 17 00:00:00 2001
From: Matthias Yee <mgyee9@gmail.com>
Date: Tue, 9 Jan 2024 23:23:05 -0800
Subject: [PATCH 0110/2686] staging: vt6655: fix open parentheses alignment
Adjusted whitespace to fix checkpatch warning Alignment Should Match
Open Parenthesis.
Signed-off-by: Matthias Yee <mgyee9@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/20240110072304.2226-1-mgyee9@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/vt6655/card.c | 74 +++++++++++++++++------------------
1 file changed, 37 insertions(+), 37 deletions(-)
diff --git a/drivers/staging/vt6655/card.c b/drivers/staging/vt6655/card.c
index 36183f2a64c11..688c870d89bc0 100644
--- a/drivers/staging/vt6655/card.c
+++ b/drivers/staging/vt6655/card.c
@@ -81,9 +81,9 @@ static void vt6655_mac_set_bb_type(void __iomem *iobase, u32 mask)
* Return Value: none
*/
static void calculate_ofdmr_parameter(unsigned char rate,
- u8 bb_type,
- unsigned char *tx_rate,
- unsigned char *rsv_time)
+ u8 bb_type,
+ unsigned char *tx_rate,
+ unsigned char *rsv_time)
{
switch (rate) {
case RATE_6M:
@@ -288,7 +288,7 @@ bool card_set_phy_parameter(struct vnt_private *priv, u8 bb_type)
* Return Value: none
*/
bool card_update_tsf(struct vnt_private *priv, unsigned char rx_rate,
- u64 bss_timestamp)
+ u64 bss_timestamp)
{
u64 local_tsf;
u64 tsf_offset = 0;
@@ -297,7 +297,7 @@ bool card_update_tsf(struct vnt_private *priv, unsigned char rx_rate,
if (bss_timestamp != local_tsf) {
tsf_offset = card_get_tsf_offset(rx_rate, bss_timestamp,
- local_tsf);
+ local_tsf);
/* adjust TSF, HW's TSF add TSF Offset reg */
tsf_offset = le64_to_cpu(tsf_offset);
iowrite32((u32)tsf_offset, priv->port_offset + MAC_REG_TSFOFST);
@@ -321,7 +321,7 @@ bool card_update_tsf(struct vnt_private *priv, unsigned char rx_rate,
* Return Value: true if succeed; otherwise false
*/
bool card_set_beacon_period(struct vnt_private *priv,
- unsigned short beacon_interval)
+ unsigned short beacon_interval)
{
u64 next_tbtt;
@@ -586,61 +586,61 @@ void card_set_rspinf(struct vnt_private *priv, u8 bb_type)
/* RSPINF_a_6 */
calculate_ofdmr_parameter(RATE_6M,
- bb_type,
- &byTxRate,
- &byRsvTime);
+ bb_type,
+ &byTxRate,
+ &byRsvTime);
iowrite16(MAKEWORD(byTxRate, byRsvTime), priv->port_offset + MAC_REG_RSPINF_A_6);
/* RSPINF_a_9 */
calculate_ofdmr_parameter(RATE_9M,
- bb_type,
- &byTxRate,
- &byRsvTime);
+ bb_type,
+ &byTxRate,
+ &byRsvTime);
iowrite16(MAKEWORD(byTxRate, byRsvTime), priv->port_offset + MAC_REG_RSPINF_A_9);
/* RSPINF_a_12 */
calculate_ofdmr_parameter(RATE_12M,
- bb_type,
- &byTxRate,
- &byRsvTime);
+ bb_type,
+ &byTxRate,
+ &byRsvTime);
iowrite16(MAKEWORD(byTxRate, byRsvTime), priv->port_offset + MAC_REG_RSPINF_A_12);
/* RSPINF_a_18 */
calculate_ofdmr_parameter(RATE_18M,
- bb_type,
- &byTxRate,
- &byRsvTime);
+ bb_type,
+ &byTxRate,
+ &byRsvTime);
iowrite16(MAKEWORD(byTxRate, byRsvTime), priv->port_offset + MAC_REG_RSPINF_A_18);
/* RSPINF_a_24 */
calculate_ofdmr_parameter(RATE_24M,
- bb_type,
- &byTxRate,
- &byRsvTime);
+ bb_type,
+ &byTxRate,
+ &byRsvTime);
iowrite16(MAKEWORD(byTxRate, byRsvTime), priv->port_offset + MAC_REG_RSPINF_A_24);
/* RSPINF_a_36 */
calculate_ofdmr_parameter(CARDwGetOFDMControlRate((void *)priv,
- RATE_36M),
- bb_type,
- &byTxRate,
- &byRsvTime);
+ RATE_36M),
+ bb_type,
+ &byTxRate,
+ &byRsvTime);
iowrite16(MAKEWORD(byTxRate, byRsvTime), priv->port_offset + MAC_REG_RSPINF_A_36);
/* RSPINF_a_48 */
calculate_ofdmr_parameter(CARDwGetOFDMControlRate((void *)priv,
- RATE_48M),
- bb_type,
- &byTxRate,
- &byRsvTime);
+ RATE_48M),
+ bb_type,
+ &byTxRate,
+ &byRsvTime);
iowrite16(MAKEWORD(byTxRate, byRsvTime), priv->port_offset + MAC_REG_RSPINF_A_48);
/* RSPINF_a_54 */
calculate_ofdmr_parameter(CARDwGetOFDMControlRate((void *)priv,
- RATE_54M),
- bb_type,
- &byTxRate,
- &byRsvTime);
+ RATE_54M),
+ bb_type,
+ &byTxRate,
+ &byRsvTime);
iowrite16(MAKEWORD(byTxRate, byRsvTime), priv->port_offset + MAC_REG_RSPINF_A_54);
/* RSPINF_a_72 */
calculate_ofdmr_parameter(CARDwGetOFDMControlRate((void *)priv,
- RATE_54M),
- bb_type,
- &byTxRate,
- &byRsvTime);
+ RATE_54M),
+ bb_type,
+ &byTxRate,
+ &byRsvTime);
iowrite16(MAKEWORD(byTxRate, byRsvTime), priv->port_offset + MAC_REG_RSPINF_A_72);
/* Set to Page0 */
VT6655_MAC_SELECT_PAGE0(priv->port_offset);
--
GitLab
From 5b5ea3124488129f63a5ac176707731931673180 Mon Sep 17 00:00:00 2001
From: Pranav Athreya <pranavsubbu@gmail.com>
Date: Fri, 12 Jan 2024 10:22:43 +0530
Subject: [PATCH 0111/2686] staging: vt6655: Remove extra blank lines between
code blocks
Adhere to Linux kernel coding style.
Reported by checkpatch:
drivers/staging/vt6655/rxtx.h:22: CHECK: Please don't use multiple blank lines
Signed-off-by: Pranav Athreya <pranavsubbu@gmail.com>
Link: https://lore.kernel.org/r/ZaDFm6XX7HiGWn58@pop-os
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/vt6655/rxtx.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/staging/vt6655/rxtx.h b/drivers/staging/vt6655/rxtx.h
index a67757c9bb5ca..be1e5180d57b8 100644
--- a/drivers/staging/vt6655/rxtx.h
+++ b/drivers/staging/vt6655/rxtx.h
@@ -19,7 +19,6 @@
#define DEFAULT_MSDU_LIFETIME_RES_64us 8000 /* 64us */
#define DEFAULT_MGN_LIFETIME_RES_64us 125 /* 64us */
-
/*--------------------- Export Definitions -------------------------*/
/*--------------------- Export Variables --------------------------*/
--
GitLab
From 5500382eeba89aa0d4e6d1b0a5b500e8ab9945cf Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Mon, 15 Jan 2024 21:22:29 +0100
Subject: [PATCH 0112/2686] staging: greybus: Remove usage of the deprecated
ida_simple_xx() API
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
Note that the upper limit of ida_simple_get() is exclusive, buInputt the one of
ida_alloc_range()/ida_alloc_max() is inclusive. So a -1 has been added when
needed.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/2e7bbdaf8a495bb1273396395b5c779363287581.1705350141.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/greybus/audio_manager.c | 8 ++++----
drivers/staging/greybus/authentication.c | 6 +++---
drivers/staging/greybus/fw-download.c | 7 +++----
drivers/staging/greybus/fw-management.c | 20 +++++++++-----------
drivers/staging/greybus/gbphy.c | 6 +++---
drivers/staging/greybus/loopback.c | 6 +++---
drivers/staging/greybus/raw.c | 6 +++---
drivers/staging/greybus/vibrator.c | 6 +++---
8 files changed, 31 insertions(+), 34 deletions(-)
diff --git a/drivers/staging/greybus/audio_manager.c b/drivers/staging/greybus/audio_manager.c
index 9a3f7c034ab49..fa43d35bbcece 100644
--- a/drivers/staging/greybus/audio_manager.c
+++ b/drivers/staging/greybus/audio_manager.c
@@ -44,14 +44,14 @@ int gb_audio_manager_add(struct gb_audio_manager_module_descriptor *desc)
int id;
int err;
- id = ida_simple_get(&module_id, 0, 0, GFP_KERNEL);
+ id = ida_alloc(&module_id, GFP_KERNEL);
if (id < 0)
return id;
err = gb_audio_manager_module_create(&module, manager_kset,
id, desc);
if (err) {
- ida_simple_remove(&module_id, id);
+ ida_free(&module_id, id);
return err;
}
@@ -78,7 +78,7 @@ int gb_audio_manager_remove(int id)
list_del(&module->list);
kobject_put(&module->kobj);
up_write(&modules_rwsem);
- ida_simple_remove(&module_id, id);
+ ida_free(&module_id, id);
return 0;
}
EXPORT_SYMBOL_GPL(gb_audio_manager_remove);
@@ -92,7 +92,7 @@ void gb_audio_manager_remove_all(void)
list_for_each_entry_safe(module, next, &modules_list, list) {
list_del(&module->list);
- ida_simple_remove(&module_id, module->id);
+ ida_free(&module_id, module->id);
kobject_put(&module->kobj);
}
diff --git a/drivers/staging/greybus/authentication.c b/drivers/staging/greybus/authentication.c
index b67315641d18e..d53e58f92e817 100644
--- a/drivers/staging/greybus/authentication.c
+++ b/drivers/staging/greybus/authentication.c
@@ -324,7 +324,7 @@ int gb_cap_connection_init(struct gb_connection *connection)
if (ret)
goto err_list_del;
- minor = ida_simple_get(&cap_minors_map, 0, NUM_MINORS, GFP_KERNEL);
+ minor = ida_alloc_max(&cap_minors_map, NUM_MINORS - 1, GFP_KERNEL);
if (minor < 0) {
ret = minor;
goto err_connection_disable;
@@ -351,7 +351,7 @@ int gb_cap_connection_init(struct gb_connection *connection)
err_del_cdev:
cdev_del(&cap->cdev);
err_remove_ida:
- ida_simple_remove(&cap_minors_map, minor);
+ ida_free(&cap_minors_map, minor);
err_connection_disable:
gb_connection_disable(connection);
err_list_del:
@@ -375,7 +375,7 @@ void gb_cap_connection_exit(struct gb_connection *connection)
device_destroy(&cap_class, cap->dev_num);
cdev_del(&cap->cdev);
- ida_simple_remove(&cap_minors_map, MINOR(cap->dev_num));
+ ida_free(&cap_minors_map, MINOR(cap->dev_num));
/*
* Disallow any new ioctl operations on the char device and wait for
diff --git a/drivers/staging/greybus/fw-download.c b/drivers/staging/greybus/fw-download.c
index 543692c567f92..2a5c6d1b049c8 100644
--- a/drivers/staging/greybus/fw-download.c
+++ b/drivers/staging/greybus/fw-download.c
@@ -63,8 +63,7 @@ static void fw_req_release(struct kref *kref)
* just hope that it never happens.
*/
if (!fw_req->timedout)
- ida_simple_remove(&fw_req->fw_download->id_map,
- fw_req->firmware_id);
+ ida_free(&fw_req->fw_download->id_map, fw_req->firmware_id);
kfree(fw_req);
}
@@ -171,7 +170,7 @@ static struct fw_request *find_firmware(struct fw_download *fw_download,
return ERR_PTR(-ENOMEM);
/* Allocate ids from 1 to 255 (u8-max), 0 is an invalid id */
- ret = ida_simple_get(&fw_download->id_map, 1, 256, GFP_KERNEL);
+ ret = ida_alloc_range(&fw_download->id_map, 1, 255, GFP_KERNEL);
if (ret < 0) {
dev_err(fw_download->parent,
"failed to allocate firmware id (%d)\n", ret);
@@ -212,7 +211,7 @@ static struct fw_request *find_firmware(struct fw_download *fw_download,
return fw_req;
err_free_id:
- ida_simple_remove(&fw_download->id_map, fw_req->firmware_id);
+ ida_free(&fw_download->id_map, fw_req->firmware_id);
err_free_req:
kfree(fw_req);
diff --git a/drivers/staging/greybus/fw-management.c b/drivers/staging/greybus/fw-management.c
index 93137a3c4907c..3054f084d777b 100644
--- a/drivers/staging/greybus/fw-management.c
+++ b/drivers/staging/greybus/fw-management.c
@@ -165,7 +165,7 @@ static int fw_mgmt_load_and_validate_operation(struct fw_mgmt *fw_mgmt,
}
/* Allocate ids from 1 to 255 (u8-max), 0 is an invalid id */
- ret = ida_simple_get(&fw_mgmt->id_map, 1, 256, GFP_KERNEL);
+ ret = ida_alloc_range(&fw_mgmt->id_map, 1, 255, GFP_KERNEL);
if (ret < 0) {
dev_err(fw_mgmt->parent, "failed to allocate request id (%d)\n",
ret);
@@ -180,8 +180,7 @@ static int fw_mgmt_load_and_validate_operation(struct fw_mgmt *fw_mgmt,
GB_FW_MGMT_TYPE_LOAD_AND_VALIDATE_FW, &request,
sizeof(request), NULL, 0);
if (ret) {
- ida_simple_remove(&fw_mgmt->id_map,
- fw_mgmt->intf_fw_request_id);
+ ida_free(&fw_mgmt->id_map, fw_mgmt->intf_fw_request_id);
fw_mgmt->intf_fw_request_id = 0;
dev_err(fw_mgmt->parent,
"load and validate firmware request failed (%d)\n",
@@ -220,7 +219,7 @@ static int fw_mgmt_interface_fw_loaded_operation(struct gb_operation *op)
return -ENODEV;
}
- ida_simple_remove(&fw_mgmt->id_map, fw_mgmt->intf_fw_request_id);
+ ida_free(&fw_mgmt->id_map, fw_mgmt->intf_fw_request_id);
fw_mgmt->intf_fw_request_id = 0;
fw_mgmt->intf_fw_status = request->status;
fw_mgmt->intf_fw_major = le16_to_cpu(request->major);
@@ -316,7 +315,7 @@ static int fw_mgmt_backend_fw_update_operation(struct fw_mgmt *fw_mgmt,
}
/* Allocate ids from 1 to 255 (u8-max), 0 is an invalid id */
- ret = ida_simple_get(&fw_mgmt->id_map, 1, 256, GFP_KERNEL);
+ ret = ida_alloc_range(&fw_mgmt->id_map, 1, 255, GFP_KERNEL);
if (ret < 0) {
dev_err(fw_mgmt->parent, "failed to allocate request id (%d)\n",
ret);
@@ -330,8 +329,7 @@ static int fw_mgmt_backend_fw_update_operation(struct fw_mgmt *fw_mgmt,
GB_FW_MGMT_TYPE_BACKEND_FW_UPDATE, &request,
sizeof(request), NULL, 0);
if (ret) {
- ida_simple_remove(&fw_mgmt->id_map,
- fw_mgmt->backend_fw_request_id);
+ ida_free(&fw_mgmt->id_map, fw_mgmt->backend_fw_request_id);
fw_mgmt->backend_fw_request_id = 0;
dev_err(fw_mgmt->parent,
"backend %s firmware update request failed (%d)\n", tag,
@@ -369,7 +367,7 @@ static int fw_mgmt_backend_fw_updated_operation(struct gb_operation *op)
return -ENODEV;
}
- ida_simple_remove(&fw_mgmt->id_map, fw_mgmt->backend_fw_request_id);
+ ida_free(&fw_mgmt->id_map, fw_mgmt->backend_fw_request_id);
fw_mgmt->backend_fw_request_id = 0;
fw_mgmt->backend_fw_status = request->status;
@@ -617,7 +615,7 @@ int gb_fw_mgmt_connection_init(struct gb_connection *connection)
if (ret)
goto err_list_del;
- minor = ida_simple_get(&fw_mgmt_minors_map, 0, NUM_MINORS, GFP_KERNEL);
+ minor = ida_alloc_max(&fw_mgmt_minors_map, NUM_MINORS - 1, GFP_KERNEL);
if (minor < 0) {
ret = minor;
goto err_connection_disable;
@@ -645,7 +643,7 @@ int gb_fw_mgmt_connection_init(struct gb_connection *connection)
err_del_cdev:
cdev_del(&fw_mgmt->cdev);
err_remove_ida:
- ida_simple_remove(&fw_mgmt_minors_map, minor);
+ ida_free(&fw_mgmt_minors_map, minor);
err_connection_disable:
gb_connection_disable(connection);
err_list_del:
@@ -669,7 +667,7 @@ void gb_fw_mgmt_connection_exit(struct gb_connection *connection)
device_destroy(&fw_mgmt_class, fw_mgmt->dev_num);
cdev_del(&fw_mgmt->cdev);
- ida_simple_remove(&fw_mgmt_minors_map, MINOR(fw_mgmt->dev_num));
+ ida_free(&fw_mgmt_minors_map, MINOR(fw_mgmt->dev_num));
/*
* Disallow any new ioctl operations on the char device and wait for
diff --git a/drivers/staging/greybus/gbphy.c b/drivers/staging/greybus/gbphy.c
index 1c41b008ba393..d827f03f52538 100644
--- a/drivers/staging/greybus/gbphy.c
+++ b/drivers/staging/greybus/gbphy.c
@@ -46,7 +46,7 @@ static void gbphy_dev_release(struct device *dev)
{
struct gbphy_device *gbphy_dev = to_gbphy_dev(dev);
- ida_simple_remove(&gbphy_id, gbphy_dev->id);
+ ida_free(&gbphy_id, gbphy_dev->id);
kfree(gbphy_dev);
}
@@ -225,13 +225,13 @@ static struct gbphy_device *gb_gbphy_create_dev(struct gb_bundle *bundle,
int retval;
int id;
- id = ida_simple_get(&gbphy_id, 1, 0, GFP_KERNEL);
+ id = ida_alloc_min(&gbphy_id, 1, GFP_KERNEL);
if (id < 0)
return ERR_PTR(id);
gbphy_dev = kzalloc(sizeof(*gbphy_dev), GFP_KERNEL);
if (!gbphy_dev) {
- ida_simple_remove(&gbphy_id, id);
+ ida_free(&gbphy_id, id);
return ERR_PTR(-ENOMEM);
}
diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c
index d7b39f3bb6525..bb33379b5297e 100644
--- a/drivers/staging/greybus/loopback.c
+++ b/drivers/staging/greybus/loopback.c
@@ -1028,7 +1028,7 @@ static int gb_loopback_probe(struct gb_bundle *bundle,
gb->file = debugfs_create_file(name, S_IFREG | 0444, gb_dev.root, gb,
&gb_loopback_dbgfs_latency_fops);
- gb->id = ida_simple_get(&loopback_ida, 0, 0, GFP_KERNEL);
+ gb->id = ida_alloc(&loopback_ida, GFP_KERNEL);
if (gb->id < 0) {
retval = gb->id;
goto out_debugfs_remove;
@@ -1079,7 +1079,7 @@ static int gb_loopback_probe(struct gb_bundle *bundle,
out_connection_disable:
gb_connection_disable(connection);
out_ida_remove:
- ida_simple_remove(&loopback_ida, gb->id);
+ ida_free(&loopback_ida, gb->id);
out_debugfs_remove:
debugfs_remove(gb->file);
out_connection_destroy:
@@ -1121,7 +1121,7 @@ static void gb_loopback_disconnect(struct gb_bundle *bundle)
spin_unlock_irqrestore(&gb_dev.lock, flags);
device_unregister(gb->dev);
- ida_simple_remove(&loopback_ida, gb->id);
+ ida_free(&loopback_ida, gb->id);
gb_connection_destroy(gb->connection);
kfree(gb);
diff --git a/drivers/staging/greybus/raw.c b/drivers/staging/greybus/raw.c
index b9c6eff7cdc11..836d35e5fa859 100644
--- a/drivers/staging/greybus/raw.c
+++ b/drivers/staging/greybus/raw.c
@@ -181,7 +181,7 @@ static int gb_raw_probe(struct gb_bundle *bundle,
raw->connection = connection;
greybus_set_drvdata(bundle, raw);
- minor = ida_simple_get(&minors, 0, 0, GFP_KERNEL);
+ minor = ida_alloc(&minors, GFP_KERNEL);
if (minor < 0) {
retval = minor;
goto error_connection_destroy;
@@ -214,7 +214,7 @@ static int gb_raw_probe(struct gb_bundle *bundle,
gb_connection_disable(connection);
error_remove_ida:
- ida_simple_remove(&minors, minor);
+ ida_free(&minors, minor);
error_connection_destroy:
gb_connection_destroy(connection);
@@ -235,7 +235,7 @@ static void gb_raw_disconnect(struct gb_bundle *bundle)
device_destroy(&raw_class, raw->dev);
cdev_del(&raw->cdev);
gb_connection_disable(connection);
- ida_simple_remove(&minors, MINOR(raw->dev));
+ ida_free(&minors, MINOR(raw->dev));
gb_connection_destroy(connection);
mutex_lock(&raw->list_lock);
diff --git a/drivers/staging/greybus/vibrator.c b/drivers/staging/greybus/vibrator.c
index 227e18d92a958..89bef80455496 100644
--- a/drivers/staging/greybus/vibrator.c
+++ b/drivers/staging/greybus/vibrator.c
@@ -153,7 +153,7 @@ static int gb_vibrator_probe(struct gb_bundle *bundle,
* there is a "real" device somewhere in the kernel for this, but I
* can't find it at the moment...
*/
- vib->minor = ida_simple_get(&minors, 0, 0, GFP_KERNEL);
+ vib->minor = ida_alloc(&minors, GFP_KERNEL);
if (vib->minor < 0) {
retval = vib->minor;
goto err_connection_disable;
@@ -173,7 +173,7 @@ static int gb_vibrator_probe(struct gb_bundle *bundle,
return 0;
err_ida_remove:
- ida_simple_remove(&minors, vib->minor);
+ ida_free(&minors, vib->minor);
err_connection_disable:
gb_connection_disable(connection);
err_connection_destroy:
@@ -197,7 +197,7 @@ static void gb_vibrator_disconnect(struct gb_bundle *bundle)
turn_off(vib);
device_unregister(vib->dev);
- ida_simple_remove(&minors, vib->minor);
+ ida_free(&minors, vib->minor);
gb_connection_disable(vib->connection);
gb_connection_destroy(vib->connection);
kfree(vib);
--
GitLab
From 5b4ee6d1e13d0b9df70fc437f50251ff1c034524 Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Sun, 14 Jan 2024 11:10:15 +0100
Subject: [PATCH 0113/2686] staging: fieldbus: Remove usage of the deprecated
ida_simple_xx() API
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
Note that the upper limit of ida_simple_get() is exclusive, but the one of
ida_alloc_max() is inclusive. So a -1 has been added when needed.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/d305b97b1064ba7e026232fb8c2a0783ba1b1098.1705227001.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/fieldbus/anybuss/arcx-anybus.c | 6 +++---
drivers/staging/fieldbus/dev_core.c | 6 +++---
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/fieldbus/anybuss/arcx-anybus.c b/drivers/staging/fieldbus/anybuss/arcx-anybus.c
index 34d18b09beddc..fcd3e3722ae01 100644
--- a/drivers/staging/fieldbus/anybuss/arcx-anybus.c
+++ b/drivers/staging/fieldbus/anybuss/arcx-anybus.c
@@ -285,7 +285,7 @@ static int controller_probe(struct platform_device *pdev)
}
}
- id = ida_simple_get(&controller_index_ida, 0, 0, GFP_KERNEL);
+ id = ida_alloc(&controller_index_ida, GFP_KERNEL);
if (id < 0) {
err = id;
goto out_reset;
@@ -318,7 +318,7 @@ static int controller_probe(struct platform_device *pdev)
out_dev:
put_device(cd->class_dev);
out_ida:
- ida_simple_remove(&controller_index_ida, id);
+ ida_free(&controller_index_ida, id);
out_reset:
gpiod_set_value_cansleep(cd->reset_gpiod, 1);
return err;
@@ -330,7 +330,7 @@ static void controller_remove(struct platform_device *pdev)
int id = cd->class_dev->id;
device_unregister(cd->class_dev);
- ida_simple_remove(&controller_index_ida, id);
+ ida_free(&controller_index_ida, id);
gpiod_set_value_cansleep(cd->reset_gpiod, 1);
}
diff --git a/drivers/staging/fieldbus/dev_core.c b/drivers/staging/fieldbus/dev_core.c
index bf1812d8924fa..370a229443a18 100644
--- a/drivers/staging/fieldbus/dev_core.c
+++ b/drivers/staging/fieldbus/dev_core.c
@@ -247,7 +247,7 @@ static void __fieldbus_dev_unregister(struct fieldbus_dev *fb)
return;
device_destroy(&fieldbus_class, fb->cdev.dev);
cdev_del(&fb->cdev);
- ida_simple_remove(&fieldbus_ida, fb->id);
+ ida_free(&fieldbus_ida, fb->id);
}
void fieldbus_dev_unregister(struct fieldbus_dev *fb)
@@ -267,7 +267,7 @@ static int __fieldbus_dev_register(struct fieldbus_dev *fb)
return -EINVAL;
if (!fb->read_area || !fb->write_area || !fb->fieldbus_id_get)
return -EINVAL;
- fb->id = ida_simple_get(&fieldbus_ida, 0, MAX_FIELDBUSES, GFP_KERNEL);
+ fb->id = ida_alloc_max(&fieldbus_ida, MAX_FIELDBUSES - 1, GFP_KERNEL);
if (fb->id < 0)
return fb->id;
devno = MKDEV(MAJOR(fieldbus_devt), fb->id);
@@ -290,7 +290,7 @@ static int __fieldbus_dev_register(struct fieldbus_dev *fb)
err_dev_create:
cdev_del(&fb->cdev);
err_cdev:
- ida_simple_remove(&fieldbus_ida, fb->id);
+ ida_free(&fieldbus_ida, fb->id);
return err;
}
--
GitLab
From cbfeaf08296a9eab0ed043f6ff4ad5519e3952b3 Mon Sep 17 00:00:00 2001
From: Meir Elisha <meir6264@gmail.com>
Date: Mon, 15 Jan 2024 10:34:38 +0200
Subject: [PATCH 0114/2686] Staging: rtl8723bs: rtw_ieee80211: Remove extra
space
Fix checkpatch warning: please, no space before tabs
Signed-off-by: Meir Elisha <meir6264@Gmail.com>
Link: https://lore.kernel.org/r/20240115083438.108901-1-meir6264@Gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8723bs/core/rtw_ieee80211.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
index 30e7457a9c312..b89e88d6a82d5 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
@@ -1035,8 +1035,8 @@ void rtw_get_bcn_info(struct wlan_network *pnetwork)
u16 wpa_len = 0, rsn_len = 0;
struct HT_info_element *pht_info = NULL;
struct ieee80211_ht_cap *pht_cap = NULL;
- unsigned int len;
- unsigned char *p;
+ unsigned int len;
+ unsigned char *p;
__le16 le_cap;
memcpy((u8 *)&le_cap, rtw_get_capability_from_ie(pnetwork->network.ies), 2);
--
GitLab
From f4b3422ca08159435eab0b2be445ffb39582968f Mon Sep 17 00:00:00 2001
From: Hoorad Farrokh <hourrad.f@gmail.com>
Date: Wed, 17 Jan 2024 22:00:33 +1300
Subject: [PATCH 0115/2686] staging: rtl8712: remove unnecessary braces in
while loop
Fixed a linux coding style.
Reported by checkpath:
WARNING: braces {} are not necessary for single statement blocks
Signed-off-by: Hoorad Farrokh <hourrad.f@gmail.com>
Link: https://lore.kernel.org/r/4vmxiuz5u2f2vehngdccj5q7bakpujagk72ty5ounfv2nfzxgr@lqkdn5fecc23
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8723bs/core/rtw_sta_mgt.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/staging/rtl8723bs/core/rtw_sta_mgt.c b/drivers/staging/rtl8723bs/core/rtw_sta_mgt.c
index 1593980d2c6a0..0145c4da5ac06 100644
--- a/drivers/staging/rtl8723bs/core/rtw_sta_mgt.c
+++ b/drivers/staging/rtl8723bs/core/rtw_sta_mgt.c
@@ -127,9 +127,8 @@ void kfree_all_stainfo(struct sta_priv *pstapriv)
phead = get_list_head(&pstapriv->free_sta_queue);
plist = get_next(phead);
- while (phead != plist) {
+ while (phead != plist)
plist = get_next(plist);
- }
spin_unlock_bh(&pstapriv->sta_hash_lock);
}
--
GitLab
From 58dc02750fcca1b16b7b1f3d305ae34ebeafebfd Mon Sep 17 00:00:00 2001
From: Erick Archer <erick.archer@gmx.com>
Date: Fri, 19 Jan 2024 18:39:00 +0100
Subject: [PATCH 0116/2686] staging: rtl8723bs: Use kcalloc() instead of
kzalloc()
As noted in the "Deprecated Interfaces, Language Features, Attributes,
and Conventions" documentation [1], size calculations (especially
multiplication) should not be performed in memory allocator (or similar)
function arguments due to the risk of them overflowing. This could lead
to values wrapping around and a smaller allocation being made than the
caller was expecting. Using those allocations could lead to linear
overflows of heap memory and other misbehaviors.
So, use the purpose specific kcalloc() function instead of the argument
count * size in the kzalloc() function.
Also, it is preferred to use sizeof(*pointer) instead of sizeof(type)
due to the type of the variable can change and one needs not change the
former (unlike the latter).
Link: https://www.kernel.org/doc/html/next/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments [1]
Link: https://github.com/KSPP/linux/issues/162
Signed-off-by: Erick Archer <erick.archer@gmx.com>
Reviewed-by: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20240119173900.11035-1-erick.archer@gmx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
index 1ff763c10064b..65a450fcdce77 100644
--- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
+++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
@@ -1259,8 +1259,7 @@ static int cfg80211_rtw_scan(struct wiphy *wiphy
goto check_need_indicate_scan_done;
}
- ssid = kzalloc(RTW_SSID_SCAN_AMOUNT * sizeof(struct ndis_802_11_ssid),
- GFP_KERNEL);
+ ssid = kcalloc(RTW_SSID_SCAN_AMOUNT, sizeof(*ssid), GFP_KERNEL);
if (!ssid) {
ret = -ENOMEM;
goto check_need_indicate_scan_done;
--
GitLab
From 4a46fffc210f246eb513f40a4bc3d4e33e2d23e2 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 22 Jan 2024 15:24:30 +0100
Subject: [PATCH 0117/2686] staging: emxx_udc: Remove EMMA Mobile USB Gadget
driver
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
No one stepped up to complete the EMMA Mobile USB Gadget driver, bring
it up to non-staging standards, and convert it to device tree.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Link: https://lore.kernel.org/r/c7bc2c95458f9710e043cbedee4270dd41fcae29.1705932585.git.geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/Kconfig | 2 -
drivers/staging/Makefile | 1 -
drivers/staging/emxx_udc/Kconfig | 11 -
drivers/staging/emxx_udc/Makefile | 2 -
drivers/staging/emxx_udc/TODO | 6 -
drivers/staging/emxx_udc/emxx_udc.c | 3223 ---------------------------
drivers/staging/emxx_udc/emxx_udc.h | 554 -----
7 files changed, 3799 deletions(-)
delete mode 100644 drivers/staging/emxx_udc/Kconfig
delete mode 100644 drivers/staging/emxx_udc/Makefile
delete mode 100644 drivers/staging/emxx_udc/TODO
delete mode 100644 drivers/staging/emxx_udc/emxx_udc.c
delete mode 100644 drivers/staging/emxx_udc/emxx_udc.h
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 784b9f673ead0..b8f777036bb22 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -46,8 +46,6 @@ source "drivers/staging/iio/Kconfig"
source "drivers/staging/sm750fb/Kconfig"
-source "drivers/staging/emxx_udc/Kconfig"
-
source "drivers/staging/nvec/Kconfig"
source "drivers/staging/media/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 2ea99c7b05d97..5bf357782d837 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -14,7 +14,6 @@ obj-$(CONFIG_VT6656) += vt6656/
obj-$(CONFIG_VME_BUS) += vme_user/
obj-$(CONFIG_IIO) += iio/
obj-$(CONFIG_FB_SM750) += sm750fb/
-obj-$(CONFIG_USB_EMXX) += emxx_udc/
obj-$(CONFIG_MFD_NVEC) += nvec/
obj-$(CONFIG_STAGING_BOARD) += board/
obj-$(CONFIG_LTE_GDM724X) += gdm724x/
diff --git a/drivers/staging/emxx_udc/Kconfig b/drivers/staging/emxx_udc/Kconfig
deleted file mode 100644
index e7a95b3b6a2f7..0000000000000
--- a/drivers/staging/emxx_udc/Kconfig
+++ /dev/null
@@ -1,11 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-config USB_EMXX
- tristate "EMXX USB Function Device Controller"
- depends on USB_GADGET && (ARCH_RENESAS || COMPILE_TEST)
- help
- The Emma Mobile series of SoCs from Renesas Electronics and
- former NEC Electronics include USB Function hardware.
-
- Say "y" to link the driver statically, or "m" to build a
- dynamically linked module called "emxx_udc" and force all
- gadget drivers to also be dynamically linked.
diff --git a/drivers/staging/emxx_udc/Makefile b/drivers/staging/emxx_udc/Makefile
deleted file mode 100644
index 569c5e9a9baef..0000000000000
--- a/drivers/staging/emxx_udc/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_USB_EMXX) := emxx_udc.o
diff --git a/drivers/staging/emxx_udc/TODO b/drivers/staging/emxx_udc/TODO
deleted file mode 100644
index 471529a470c70..0000000000000
--- a/drivers/staging/emxx_udc/TODO
+++ /dev/null
@@ -1,6 +0,0 @@
-* add clock framework support (platform device with CCF needs special care)
-* break out board-specific VBUS GPIO to work with multiplatform
-* convert VBUS GPIO to use GPIO descriptors from <linux/gpio/consumer.h>
- and stop using the old GPIO API
-* DT bindings
-* move driver into drivers/usb/gadget/
diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c
deleted file mode 100644
index eb63daaca702e..0000000000000
--- a/drivers/staging/emxx_udc/emxx_udc.c
+++ /dev/null
@@ -1,3223 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * drivers/usb/gadget/emxx_udc.c
- * EMXX FCD (Function Controller Driver) for USB.
- *
- * Copyright (C) 2010 Renesas Electronics Corporation
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/delay.h>
-#include <linux/ioport.h>
-#include <linux/slab.h>
-#include <linux/errno.h>
-#include <linux/list.h>
-#include <linux/interrupt.h>
-#include <linux/proc_fs.h>
-#include <linux/clk.h>
-#include <linux/ctype.h>
-#include <linux/string.h>
-#include <linux/dma-mapping.h>
-#include <linux/workqueue.h>
-#include <linux/device.h>
-
-#include <linux/usb/ch9.h>
-#include <linux/usb/gadget.h>
-
-#include <linux/irq.h>
-#include <linux/gpio/consumer.h>
-
-#include "emxx_udc.h"
-
-#define DRIVER_DESC "EMXX UDC driver"
-#define DMA_ADDR_INVALID (~(dma_addr_t)0)
-
-static struct gpio_desc *vbus_gpio;
-static int vbus_irq;
-
-static const char driver_name[] = "emxx_udc";
-
-/*===========================================================================*/
-/* Prototype */
-static void _nbu2ss_ep_dma_abort(struct nbu2ss_udc *, struct nbu2ss_ep *);
-static void _nbu2ss_ep0_enable(struct nbu2ss_udc *);
-/*static void _nbu2ss_ep0_disable(struct nbu2ss_udc *);*/
-static void _nbu2ss_ep_done(struct nbu2ss_ep *, struct nbu2ss_req *, int);
-static void _nbu2ss_set_test_mode(struct nbu2ss_udc *, u32 mode);
-static void _nbu2ss_endpoint_toggle_reset(struct nbu2ss_udc *udc, u8 ep_adrs);
-
-static int _nbu2ss_pullup(struct nbu2ss_udc *, int);
-static void _nbu2ss_fifo_flush(struct nbu2ss_udc *, struct nbu2ss_ep *);
-
-/*===========================================================================*/
-/* Macro */
-#define _nbu2ss_zero_len_pkt(udc, epnum) \
- _nbu2ss_ep_in_end(udc, epnum, 0, 0)
-
-/*===========================================================================*/
-/* Global */
-static struct nbu2ss_udc udc_controller;
-
-/*-------------------------------------------------------------------------*/
-/* Read */
-static inline u32 _nbu2ss_readl(void __iomem *address)
-{
- return __raw_readl(address);
-}
-
-/*-------------------------------------------------------------------------*/
-/* Write */
-static inline void _nbu2ss_writel(void __iomem *address, u32 udata)
-{
- __raw_writel(udata, address);
-}
-
-/*-------------------------------------------------------------------------*/
-/* Set Bit */
-static inline void _nbu2ss_bitset(void __iomem *address, u32 udata)
-{
- u32 reg_dt = __raw_readl(address) | (udata);
-
- __raw_writel(reg_dt, address);
-}
-
-/*-------------------------------------------------------------------------*/
-/* Clear Bit */
-static inline void _nbu2ss_bitclr(void __iomem *address, u32 udata)
-{
- u32 reg_dt = __raw_readl(address) & ~(udata);
-
- __raw_writel(reg_dt, address);
-}
-
-#ifdef UDC_DEBUG_DUMP
-/*-------------------------------------------------------------------------*/
-static void _nbu2ss_dump_register(struct nbu2ss_udc *udc)
-{
- int i;
- u32 reg_data;
-
- pr_info("=== %s()\n", __func__);
-
- if (!udc) {
- pr_err("%s udc == NULL\n", __func__);
- return;
- }
-
- spin_unlock(&udc->lock);
-
- dev_dbg(&udc->dev, "\n-USB REG-\n");
- for (i = 0x0 ; i < USB_BASE_SIZE ; i += 16) {
- reg_data = _nbu2ss_readl(IO_ADDRESS(USB_BASE_ADDRESS + i));
- dev_dbg(&udc->dev, "USB%04x =%08x", i, (int)reg_data);
-
- reg_data = _nbu2ss_readl(IO_ADDRESS(USB_BASE_ADDRESS + i + 4));
- dev_dbg(&udc->dev, " %08x", (int)reg_data);
-
- reg_data = _nbu2ss_readl(IO_ADDRESS(USB_BASE_ADDRESS + i + 8));
- dev_dbg(&udc->dev, " %08x", (int)reg_data);
-
- reg_data = _nbu2ss_readl(IO_ADDRESS(USB_BASE_ADDRESS + i + 12));
- dev_dbg(&udc->dev, " %08x\n", (int)reg_data);
- }
-
- spin_lock(&udc->lock);
-}
-#endif /* UDC_DEBUG_DUMP */
-
-/*-------------------------------------------------------------------------*/
-/* Endpoint 0 Callback (Complete) */
-static void _nbu2ss_ep0_complete(struct usb_ep *_ep, struct usb_request *_req)
-{
- u8 recipient;
- u16 selector;
- u16 wIndex;
- u32 test_mode;
- struct usb_ctrlrequest *p_ctrl;
- struct nbu2ss_udc *udc;
-
- if (!_ep || !_req)
- return;
-
- udc = (struct nbu2ss_udc *)_req->context;
- p_ctrl = &udc->ctrl;
- if ((p_ctrl->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) {
- if (p_ctrl->bRequest == USB_REQ_SET_FEATURE) {
- /*-------------------------------------------------*/
- /* SET_FEATURE */
- recipient = (u8)(p_ctrl->bRequestType & USB_RECIP_MASK);
- selector = le16_to_cpu(p_ctrl->wValue);
- if ((recipient == USB_RECIP_DEVICE) &&
- (selector == USB_DEVICE_TEST_MODE)) {
- wIndex = le16_to_cpu(p_ctrl->wIndex);
- test_mode = (u32)(wIndex >> 8);
- _nbu2ss_set_test_mode(udc, test_mode);
- }
- }
- }
-}
-
-/*-------------------------------------------------------------------------*/
-/* Initialization usb_request */
-static void _nbu2ss_create_ep0_packet(struct nbu2ss_udc *udc,
- void *p_buf, unsigned int length)
-{
- udc->ep0_req.req.buf = p_buf;
- udc->ep0_req.req.length = length;
- udc->ep0_req.req.dma = 0;
- udc->ep0_req.req.zero = true;
- udc->ep0_req.req.complete = _nbu2ss_ep0_complete;
- udc->ep0_req.req.status = -EINPROGRESS;
- udc->ep0_req.req.context = udc;
- udc->ep0_req.req.actual = 0;
-}
-
-/*-------------------------------------------------------------------------*/
-/* Acquisition of the first address of RAM(FIFO) */
-static u32 _nbu2ss_get_begin_ram_address(struct nbu2ss_udc *udc)
-{
- u32 num, buf_type;
- u32 data, last_ram_adr, use_ram_size;
-
- struct ep_regs __iomem *p_ep_regs;
-
- last_ram_adr = (D_RAM_SIZE_CTRL / sizeof(u32)) * 2;
- use_ram_size = 0;
-
- for (num = 0; num < NUM_ENDPOINTS - 1; num++) {
- p_ep_regs = &udc->p_regs->EP_REGS[num];
- data = _nbu2ss_readl(&p_ep_regs->EP_PCKT_ADRS);
- buf_type = _nbu2ss_readl(&p_ep_regs->EP_CONTROL) & EPN_BUF_TYPE;
- if (buf_type == 0) {
- /* Single Buffer */
- use_ram_size += (data & EPN_MPKT) / sizeof(u32);
- } else {
- /* Double Buffer */
- use_ram_size += ((data & EPN_MPKT) / sizeof(u32)) * 2;
- }
-
- if ((data >> 16) > last_ram_adr)
- last_ram_adr = data >> 16;
- }
-
- return last_ram_adr + use_ram_size;
-}
-
-/*-------------------------------------------------------------------------*/
-/* Construction of Endpoint */
-static int _nbu2ss_ep_init(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep)
-{
- u32 num;
- u32 data;
- u32 begin_adrs;
-
- if (ep->epnum == 0)
- return -EINVAL;
-
- num = ep->epnum - 1;
-
- /*-------------------------------------------------------------*/
- /* RAM Transfer Address */
- begin_adrs = _nbu2ss_get_begin_ram_address(udc);
- data = (begin_adrs << 16) | ep->ep.maxpacket;
- _nbu2ss_writel(&udc->p_regs->EP_REGS[num].EP_PCKT_ADRS, data);
-
- /*-------------------------------------------------------------*/
- /* Interrupt Enable */
- data = 1 << (ep->epnum + 8);
- _nbu2ss_bitset(&udc->p_regs->USB_INT_ENA, data);
-
- /*-------------------------------------------------------------*/
- /* Endpoint Type(Mode) */
- /* Bulk, Interrupt, ISO */
- switch (ep->ep_type) {
- case USB_ENDPOINT_XFER_BULK:
- data = EPN_BULK;
- break;
-
- case USB_ENDPOINT_XFER_INT:
- data = EPN_BUF_SINGLE | EPN_INTERRUPT;
- break;
-
- case USB_ENDPOINT_XFER_ISOC:
- data = EPN_ISO;
- break;
-
- default:
- data = 0;
- break;
- }
-
- _nbu2ss_bitset(&udc->p_regs->EP_REGS[num].EP_CONTROL, data);
- _nbu2ss_endpoint_toggle_reset(udc, (ep->epnum | ep->direct));
-
- if (ep->direct == USB_DIR_OUT) {
- /*---------------------------------------------------------*/
- /* OUT */
- data = EPN_EN | EPN_BCLR | EPN_DIR0;
- _nbu2ss_bitset(&udc->p_regs->EP_REGS[num].EP_CONTROL, data);
-
- data = EPN_ONAK | EPN_OSTL_EN | EPN_OSTL;
- _nbu2ss_bitclr(&udc->p_regs->EP_REGS[num].EP_CONTROL, data);
-
- data = EPN_OUT_EN | EPN_OUT_END_EN;
- _nbu2ss_bitset(&udc->p_regs->EP_REGS[num].EP_INT_ENA, data);
- } else {
- /*---------------------------------------------------------*/
- /* IN */
- data = EPN_EN | EPN_BCLR | EPN_AUTO;
- _nbu2ss_bitset(&udc->p_regs->EP_REGS[num].EP_CONTROL, data);
-
- data = EPN_ISTL;
- _nbu2ss_bitclr(&udc->p_regs->EP_REGS[num].EP_CONTROL, data);
-
- data = EPN_IN_EN | EPN_IN_END_EN;
- _nbu2ss_bitset(&udc->p_regs->EP_REGS[num].EP_INT_ENA, data);
- }
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-/* Release of Endpoint */
-static int _nbu2ss_epn_exit(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep)
-{
- u32 num;
- u32 data;
-
- if ((ep->epnum == 0) || (udc->vbus_active == 0))
- return -EINVAL;
-
- num = ep->epnum - 1;
-
- /*-------------------------------------------------------------*/
- /* RAM Transfer Address */
- _nbu2ss_writel(&udc->p_regs->EP_REGS[num].EP_PCKT_ADRS, 0);
-
- /*-------------------------------------------------------------*/
- /* Interrupt Disable */
- data = 1 << (ep->epnum + 8);
- _nbu2ss_bitclr(&udc->p_regs->USB_INT_ENA, data);
-
- if (ep->direct == USB_DIR_OUT) {
- /*---------------------------------------------------------*/
- /* OUT */
- data = EPN_ONAK | EPN_BCLR;
- _nbu2ss_bitset(&udc->p_regs->EP_REGS[num].EP_CONTROL, data);
-
- data = EPN_EN | EPN_DIR0;
- _nbu2ss_bitclr(&udc->p_regs->EP_REGS[num].EP_CONTROL, data);
-
- data = EPN_OUT_EN | EPN_OUT_END_EN;
- _nbu2ss_bitclr(&udc->p_regs->EP_REGS[num].EP_INT_ENA, data);
- } else {
- /*---------------------------------------------------------*/
- /* IN */
- data = EPN_BCLR;
- _nbu2ss_bitset(&udc->p_regs->EP_REGS[num].EP_CONTROL, data);
-
- data = EPN_EN | EPN_AUTO;
- _nbu2ss_bitclr(&udc->p_regs->EP_REGS[num].EP_CONTROL, data);
-
- data = EPN_IN_EN | EPN_IN_END_EN;
- _nbu2ss_bitclr(&udc->p_regs->EP_REGS[num].EP_INT_ENA, data);
- }
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-/* DMA setting (without Endpoint 0) */
-static void _nbu2ss_ep_dma_init(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep)
-{
- u32 num;
- u32 data;
-
- data = _nbu2ss_readl(&udc->p_regs->USBSSCONF);
- if (((ep->epnum == 0) || (data & (1 << ep->epnum)) == 0))
- return; /* Not Support DMA */
-
- num = ep->epnum - 1;
-
- if (ep->direct == USB_DIR_OUT) {
- /*---------------------------------------------------------*/
- /* OUT */
- data = ep->ep.maxpacket;
- _nbu2ss_writel(&udc->p_regs->EP_DCR[num].EP_DCR2, data);
-
- /*---------------------------------------------------------*/
- /* Transfer Direct */
- data = DCR1_EPN_DIR0;
- _nbu2ss_bitset(&udc->p_regs->EP_DCR[num].EP_DCR1, data);
-
- /*---------------------------------------------------------*/
- /* DMA Mode etc. */
- data = EPN_STOP_MODE | EPN_STOP_SET | EPN_DMAMODE0;
- _nbu2ss_writel(&udc->p_regs->EP_REGS[num].EP_DMA_CTRL, data);
- } else {
- /*---------------------------------------------------------*/
- /* IN */
- _nbu2ss_bitset(&udc->p_regs->EP_REGS[num].EP_CONTROL, EPN_AUTO);
-
- /*---------------------------------------------------------*/
- /* DMA Mode etc. */
- data = EPN_BURST_SET | EPN_DMAMODE0;
- _nbu2ss_writel(&udc->p_regs->EP_REGS[num].EP_DMA_CTRL, data);
- }
-}
-
-/*-------------------------------------------------------------------------*/
-/* DMA setting release */
-static void _nbu2ss_ep_dma_exit(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep)
-{
- u32 num;
- u32 data;
- struct fc_regs __iomem *preg = udc->p_regs;
-
- if (udc->vbus_active == 0)
- return; /* VBUS OFF */
-
- data = _nbu2ss_readl(&preg->USBSSCONF);
- if ((ep->epnum == 0) || ((data & (1 << ep->epnum)) == 0))
- return; /* Not Support DMA */
-
- num = ep->epnum - 1;
-
- _nbu2ss_ep_dma_abort(udc, ep);
-
- if (ep->direct == USB_DIR_OUT) {
- /*---------------------------------------------------------*/
- /* OUT */
- _nbu2ss_writel(&preg->EP_DCR[num].EP_DCR2, 0);
- _nbu2ss_bitclr(&preg->EP_DCR[num].EP_DCR1, DCR1_EPN_DIR0);
- _nbu2ss_writel(&preg->EP_REGS[num].EP_DMA_CTRL, 0);
- } else {
- /*---------------------------------------------------------*/
- /* IN */
- _nbu2ss_bitclr(&preg->EP_REGS[num].EP_CONTROL, EPN_AUTO);
- _nbu2ss_writel(&preg->EP_REGS[num].EP_DMA_CTRL, 0);
- }
-}
-
-/*-------------------------------------------------------------------------*/
-/* Abort DMA */
-static void _nbu2ss_ep_dma_abort(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep)
-{
- struct fc_regs __iomem *preg = udc->p_regs;
-
- _nbu2ss_bitclr(&preg->EP_DCR[ep->epnum - 1].EP_DCR1, DCR1_EPN_REQEN);
- mdelay(DMA_DISABLE_TIME); /* DCR1_EPN_REQEN Clear */
- _nbu2ss_bitclr(&preg->EP_REGS[ep->epnum - 1].EP_DMA_CTRL, EPN_DMA_EN);
-}
-
-/*-------------------------------------------------------------------------*/
-/* Start IN Transfer */
-static void _nbu2ss_ep_in_end(struct nbu2ss_udc *udc,
- u32 epnum, u32 data32, u32 length)
-{
- u32 data;
- u32 num;
- struct fc_regs __iomem *preg = udc->p_regs;
-
- if (length >= sizeof(u32))
- return;
-
- if (epnum == 0) {
- _nbu2ss_bitclr(&preg->EP0_CONTROL, EP0_AUTO);
-
- /* Writing of 1-4 bytes */
- if (length)
- _nbu2ss_writel(&preg->EP0_WRITE, data32);
-
- data = ((length << 5) & EP0_DW) | EP0_DEND;
- _nbu2ss_writel(&preg->EP0_CONTROL, data);
-
- _nbu2ss_bitset(&preg->EP0_CONTROL, EP0_AUTO);
- } else {
- num = epnum - 1;
-
- _nbu2ss_bitclr(&preg->EP_REGS[num].EP_CONTROL, EPN_AUTO);
-
- /* Writing of 1-4 bytes */
- if (length)
- _nbu2ss_writel(&preg->EP_REGS[num].EP_WRITE, data32);
-
- data = (((length) << 5) & EPN_DW) | EPN_DEND;
- _nbu2ss_bitset(&preg->EP_REGS[num].EP_CONTROL, data);
-
- _nbu2ss_bitset(&preg->EP_REGS[num].EP_CONTROL, EPN_AUTO);
- }
-}
-
-#ifdef USE_DMA
-/*-------------------------------------------------------------------------*/
-static void _nbu2ss_dma_map_single(struct nbu2ss_udc *udc,
- struct nbu2ss_ep *ep,
- struct nbu2ss_req *req, u8 direct)
-{
- if (req->req.dma == DMA_ADDR_INVALID) {
- if (req->unaligned) {
- req->req.dma = ep->phys_buf;
- } else {
- req->req.dma = dma_map_single(udc->gadget.dev.parent,
- req->req.buf,
- req->req.length,
- (direct == USB_DIR_IN)
- ? DMA_TO_DEVICE
- : DMA_FROM_DEVICE);
- }
- req->mapped = 1;
- } else {
- if (!req->unaligned)
- dma_sync_single_for_device(udc->gadget.dev.parent,
- req->req.dma,
- req->req.length,
- (direct == USB_DIR_IN)
- ? DMA_TO_DEVICE
- : DMA_FROM_DEVICE);
-
- req->mapped = 0;
- }
-}
-
-/*-------------------------------------------------------------------------*/
-static void _nbu2ss_dma_unmap_single(struct nbu2ss_udc *udc,
- struct nbu2ss_ep *ep,
- struct nbu2ss_req *req, u8 direct)
-{
- u8 data[4];
- u8 *p;
- u32 count = 0;
-
- if (direct == USB_DIR_OUT) {
- count = req->req.actual % 4;
- if (count) {
- p = req->req.buf;
- p += (req->req.actual - count);
- memcpy(data, p, count);
- }
- }
-
- if (req->mapped) {
- if (req->unaligned) {
- if (direct == USB_DIR_OUT)
- memcpy(req->req.buf, ep->virt_buf,
- req->req.actual & 0xfffffffc);
- } else {
- dma_unmap_single(udc->gadget.dev.parent,
- req->req.dma, req->req.length,
- (direct == USB_DIR_IN)
- ? DMA_TO_DEVICE
- : DMA_FROM_DEVICE);
- }
- req->req.dma = DMA_ADDR_INVALID;
- req->mapped = 0;
- } else {
- if (!req->unaligned)
- dma_sync_single_for_cpu(udc->gadget.dev.parent,
- req->req.dma, req->req.length,
- (direct == USB_DIR_IN)
- ? DMA_TO_DEVICE
- : DMA_FROM_DEVICE);
- }
-
- if (count) {
- p = req->req.buf;
- p += (req->req.actual - count);
- memcpy(p, data, count);
- }
-}
-#endif
-
-/*-------------------------------------------------------------------------*/
-/* Endpoint 0 OUT Transfer (PIO) */
-static int ep0_out_pio(struct nbu2ss_udc *udc, u8 *buf, u32 length)
-{
- u32 i;
- u32 numreads = length / sizeof(u32);
- union usb_reg_access *buf32 = (union usb_reg_access *)buf;
-
- if (!numreads)
- return 0;
-
- /* PIO Read */
- for (i = 0; i < numreads; i++) {
- buf32->dw = _nbu2ss_readl(&udc->p_regs->EP0_READ);
- buf32++;
- }
-
- return numreads * sizeof(u32);
-}
-
-/*-------------------------------------------------------------------------*/
-/* Endpoint 0 OUT Transfer (PIO, OverBytes) */
-static int ep0_out_overbytes(struct nbu2ss_udc *udc, u8 *p_buf, u32 length)
-{
- u32 i;
- u32 i_read_size = 0;
- union usb_reg_access temp_32;
- union usb_reg_access *p_buf_32 = (union usb_reg_access *)p_buf;
-
- if ((length > 0) && (length < sizeof(u32))) {
- temp_32.dw = _nbu2ss_readl(&udc->p_regs->EP0_READ);
- for (i = 0 ; i < length ; i++)
- p_buf_32->byte.DATA[i] = temp_32.byte.DATA[i];
- i_read_size += length;
- }
-
- return i_read_size;
-}
-
-/*-------------------------------------------------------------------------*/
-/* Endpoint 0 IN Transfer (PIO) */
-static int EP0_in_PIO(struct nbu2ss_udc *udc, u8 *p_buf, u32 length)
-{
- u32 i;
- u32 i_max_length = EP0_PACKETSIZE;
- u32 i_word_length = 0;
- u32 i_write_length = 0;
- union usb_reg_access *p_buf_32 = (union usb_reg_access *)p_buf;
-
- /*------------------------------------------------------------*/
- /* Transfer Length */
- if (i_max_length < length)
- i_word_length = i_max_length / sizeof(u32);
- else
- i_word_length = length / sizeof(u32);
-
- /*------------------------------------------------------------*/
- /* PIO */
- for (i = 0; i < i_word_length; i++) {
- _nbu2ss_writel(&udc->p_regs->EP0_WRITE, p_buf_32->dw);
- p_buf_32++;
- i_write_length += sizeof(u32);
- }
-
- return i_write_length;
-}
-
-/*-------------------------------------------------------------------------*/
-/* Endpoint 0 IN Transfer (PIO, OverBytes) */
-static int ep0_in_overbytes(struct nbu2ss_udc *udc,
- u8 *p_buf,
- u32 i_remain_size)
-{
- u32 i;
- union usb_reg_access temp_32;
- union usb_reg_access *p_buf_32 = (union usb_reg_access *)p_buf;
-
- if ((i_remain_size > 0) && (i_remain_size < sizeof(u32))) {
- for (i = 0 ; i < i_remain_size ; i++)
- temp_32.byte.DATA[i] = p_buf_32->byte.DATA[i];
- _nbu2ss_ep_in_end(udc, 0, temp_32.dw, i_remain_size);
-
- return i_remain_size;
- }
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-/* Transfer NULL Packet (Epndoint 0) */
-static int EP0_send_NULL(struct nbu2ss_udc *udc, bool pid_flag)
-{
- u32 data;
-
- data = _nbu2ss_readl(&udc->p_regs->EP0_CONTROL);
- data &= ~(u32)EP0_INAK;
-
- if (pid_flag)
- data |= (EP0_INAK_EN | EP0_PIDCLR | EP0_DEND);
- else
- data |= (EP0_INAK_EN | EP0_DEND);
-
- _nbu2ss_writel(&udc->p_regs->EP0_CONTROL, data);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-/* Receive NULL Packet (Endpoint 0) */
-static int EP0_receive_NULL(struct nbu2ss_udc *udc, bool pid_flag)
-{
- u32 data;
-
- data = _nbu2ss_readl(&udc->p_regs->EP0_CONTROL);
- data &= ~(u32)EP0_ONAK;
-
- if (pid_flag)
- data |= EP0_PIDCLR;
-
- _nbu2ss_writel(&udc->p_regs->EP0_CONTROL, data);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_ep0_in_transfer(struct nbu2ss_udc *udc,
- struct nbu2ss_req *req)
-{
- u8 *p_buffer; /* IN Data Buffer */
- u32 data;
- u32 i_remain_size = 0;
- int result = 0;
-
- /*-------------------------------------------------------------*/
- /* End confirmation */
- if (req->req.actual == req->req.length) {
- if ((req->req.actual % EP0_PACKETSIZE) == 0) {
- if (req->zero) {
- req->zero = false;
- EP0_send_NULL(udc, false);
- return 1;
- }
- }
-
- return 0; /* Transfer End */
- }
-
- /*-------------------------------------------------------------*/
- /* NAK release */
- data = _nbu2ss_readl(&udc->p_regs->EP0_CONTROL);
- data |= EP0_INAK_EN;
- data &= ~(u32)EP0_INAK;
- _nbu2ss_writel(&udc->p_regs->EP0_CONTROL, data);
-
- i_remain_size = req->req.length - req->req.actual;
- p_buffer = (u8 *)req->req.buf;
- p_buffer += req->req.actual;
-
- /*-------------------------------------------------------------*/
- /* Data transfer */
- result = EP0_in_PIO(udc, p_buffer, i_remain_size);
-
- req->div_len = result;
- i_remain_size -= result;
-
- if (i_remain_size == 0) {
- EP0_send_NULL(udc, false);
- return result;
- }
-
- if ((i_remain_size < sizeof(u32)) && (result != EP0_PACKETSIZE)) {
- p_buffer += result;
- result += ep0_in_overbytes(udc, p_buffer, i_remain_size);
- req->div_len = result;
- }
-
- return result;
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_ep0_out_transfer(struct nbu2ss_udc *udc,
- struct nbu2ss_req *req)
-{
- u8 *p_buffer;
- u32 i_remain_size;
- u32 i_recv_length;
- int result = 0;
- int f_rcv_zero;
-
- /*-------------------------------------------------------------*/
- /* Receive data confirmation */
- i_recv_length = _nbu2ss_readl(&udc->p_regs->EP0_LENGTH) & EP0_LDATA;
- if (i_recv_length != 0) {
- f_rcv_zero = 0;
-
- i_remain_size = req->req.length - req->req.actual;
- p_buffer = (u8 *)req->req.buf;
- p_buffer += req->req.actual;
-
- result = ep0_out_pio(udc, p_buffer
- , min(i_remain_size, i_recv_length));
- if (result < 0)
- return result;
-
- req->req.actual += result;
- i_recv_length -= result;
-
- if ((i_recv_length > 0) && (i_recv_length < sizeof(u32))) {
- p_buffer += result;
- i_remain_size -= result;
-
- result = ep0_out_overbytes(udc, p_buffer
- , min(i_remain_size, i_recv_length));
- req->req.actual += result;
- }
- } else {
- f_rcv_zero = 1;
- }
-
- /*-------------------------------------------------------------*/
- /* End confirmation */
- if (req->req.actual == req->req.length) {
- if ((req->req.actual % EP0_PACKETSIZE) == 0) {
- if (req->zero) {
- req->zero = false;
- EP0_receive_NULL(udc, false);
- return 1;
- }
- }
-
- return 0; /* Transfer End */
- }
-
- if ((req->req.actual % EP0_PACKETSIZE) != 0)
- return 0; /* Short Packet Transfer End */
-
- if (req->req.actual > req->req.length) {
- dev_err(udc->dev, " *** Overrun Error\n");
- return -EOVERFLOW;
- }
-
- if (f_rcv_zero != 0) {
- i_remain_size = _nbu2ss_readl(&udc->p_regs->EP0_CONTROL);
- if (i_remain_size & EP0_ONAK) {
- /*---------------------------------------------------*/
- /* NACK release */
- _nbu2ss_bitclr(&udc->p_regs->EP0_CONTROL, EP0_ONAK);
- }
- result = 1;
- }
-
- return result;
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_out_dma(struct nbu2ss_udc *udc, struct nbu2ss_req *req,
- u32 num, u32 length)
-{
- dma_addr_t p_buffer;
- u32 mpkt;
- u32 lmpkt;
- u32 dmacnt;
- u32 burst = 1;
- u32 data;
- int result;
- struct fc_regs __iomem *preg = udc->p_regs;
-
- if (req->dma_flag)
- return 1; /* DMA is forwarded */
-
- req->dma_flag = true;
- p_buffer = req->req.dma;
- p_buffer += req->req.actual;
-
- /* DMA Address */
- _nbu2ss_writel(&preg->EP_DCR[num].EP_TADR, (u32)p_buffer);
-
- /* Number of transfer packets */
- mpkt = _nbu2ss_readl(&preg->EP_REGS[num].EP_PCKT_ADRS) & EPN_MPKT;
- dmacnt = length / mpkt;
- lmpkt = (length % mpkt) & ~(u32)0x03;
-
- if (dmacnt > DMA_MAX_COUNT) {
- dmacnt = DMA_MAX_COUNT;
- lmpkt = 0;
- } else if (lmpkt != 0) {
- if (dmacnt == 0)
- burst = 0; /* Burst OFF */
- dmacnt++;
- }
-
- data = mpkt | (lmpkt << 16);
- _nbu2ss_writel(&preg->EP_DCR[num].EP_DCR2, data);
-
- data = ((dmacnt & 0xff) << 16) | DCR1_EPN_DIR0 | DCR1_EPN_REQEN;
- _nbu2ss_writel(&preg->EP_DCR[num].EP_DCR1, data);
-
- if (burst == 0) {
- _nbu2ss_writel(&preg->EP_REGS[num].EP_LEN_DCNT, 0);
- _nbu2ss_bitclr(&preg->EP_REGS[num].EP_DMA_CTRL, EPN_BURST_SET);
- } else {
- _nbu2ss_writel(&preg->EP_REGS[num].EP_LEN_DCNT
- , (dmacnt << 16));
- _nbu2ss_bitset(&preg->EP_REGS[num].EP_DMA_CTRL, EPN_BURST_SET);
- }
- _nbu2ss_bitset(&preg->EP_REGS[num].EP_DMA_CTRL, EPN_DMA_EN);
-
- result = length & ~(u32)0x03;
- req->div_len = result;
-
- return result;
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_epn_out_pio(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep,
- struct nbu2ss_req *req, u32 length)
-{
- u8 *p_buffer;
- u32 i;
- u32 data;
- u32 i_word_length;
- union usb_reg_access temp_32;
- union usb_reg_access *p_buf_32;
- int result = 0;
- struct fc_regs __iomem *preg = udc->p_regs;
-
- if (req->dma_flag)
- return 1; /* DMA is forwarded */
-
- if (length == 0)
- return 0;
-
- p_buffer = (u8 *)req->req.buf;
- p_buf_32 = (union usb_reg_access *)(p_buffer + req->req.actual);
-
- i_word_length = length / sizeof(u32);
- if (i_word_length > 0) {
- /*---------------------------------------------------------*/
- /* Copy of every four bytes */
- for (i = 0; i < i_word_length; i++) {
- p_buf_32->dw =
- _nbu2ss_readl(&preg->EP_REGS[ep->epnum - 1].EP_READ);
- p_buf_32++;
- }
- result = i_word_length * sizeof(u32);
- }
-
- data = length - result;
- if (data > 0) {
- /*---------------------------------------------------------*/
- /* Copy of fraction byte */
- temp_32.dw =
- _nbu2ss_readl(&preg->EP_REGS[ep->epnum - 1].EP_READ);
- for (i = 0 ; i < data ; i++)
- p_buf_32->byte.DATA[i] = temp_32.byte.DATA[i];
- result += data;
- }
-
- req->req.actual += result;
-
- if ((req->req.actual == req->req.length) ||
- ((req->req.actual % ep->ep.maxpacket) != 0)) {
- result = 0;
- }
-
- return result;
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_epn_out_data(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep,
- struct nbu2ss_req *req, u32 data_size)
-{
- u32 num;
- u32 i_buf_size;
- int nret = 1;
-
- if (ep->epnum == 0)
- return -EINVAL;
-
- num = ep->epnum - 1;
-
- i_buf_size = min((req->req.length - req->req.actual), data_size);
-
- if ((ep->ep_type != USB_ENDPOINT_XFER_INT) && (req->req.dma != 0) &&
- (i_buf_size >= sizeof(u32))) {
- nret = _nbu2ss_out_dma(udc, req, num, i_buf_size);
- } else {
- i_buf_size = min_t(u32, i_buf_size, ep->ep.maxpacket);
- nret = _nbu2ss_epn_out_pio(udc, ep, req, i_buf_size);
- }
-
- return nret;
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_epn_out_transfer(struct nbu2ss_udc *udc,
- struct nbu2ss_ep *ep,
- struct nbu2ss_req *req)
-{
- u32 num;
- u32 i_recv_length;
- int result = 1;
- struct fc_regs __iomem *preg = udc->p_regs;
-
- if (ep->epnum == 0)
- return -EINVAL;
-
- num = ep->epnum - 1;
-
- /*-------------------------------------------------------------*/
- /* Receive Length */
- i_recv_length =
- _nbu2ss_readl(&preg->EP_REGS[num].EP_LEN_DCNT) & EPN_LDATA;
-
- if (i_recv_length != 0) {
- result = _nbu2ss_epn_out_data(udc, ep, req, i_recv_length);
- if (i_recv_length < ep->ep.maxpacket) {
- if (i_recv_length == result) {
- req->req.actual += result;
- result = 0;
- }
- }
- } else {
- if ((req->req.actual == req->req.length) ||
- ((req->req.actual % ep->ep.maxpacket) != 0)) {
- result = 0;
- }
- }
-
- if (result == 0) {
- if ((req->req.actual % ep->ep.maxpacket) == 0) {
- if (req->zero) {
- req->zero = false;
- return 1;
- }
- }
- }
-
- if (req->req.actual > req->req.length) {
- dev_err(udc->dev, " Overrun Error\n");
- dev_err(udc->dev, " actual = %d, length = %d\n",
- req->req.actual, req->req.length);
- result = -EOVERFLOW;
- }
-
- return result;
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_in_dma(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep,
- struct nbu2ss_req *req, u32 num, u32 length)
-{
- dma_addr_t p_buffer;
- u32 mpkt; /* MaxPacketSize */
- u32 lmpkt; /* Last Packet Data Size */
- u32 dmacnt; /* IN Data Size */
- u32 i_write_length;
- u32 data;
- int result = -EINVAL;
- struct fc_regs __iomem *preg = udc->p_regs;
-
- if (req->dma_flag)
- return 1; /* DMA is forwarded */
-
-#ifdef USE_DMA
- if (req->req.actual == 0)
- _nbu2ss_dma_map_single(udc, ep, req, USB_DIR_IN);
-#endif
- req->dma_flag = true;
-
- /* MAX Packet Size */
- mpkt = _nbu2ss_readl(&preg->EP_REGS[num].EP_PCKT_ADRS) & EPN_MPKT;
-
- i_write_length = min(DMA_MAX_COUNT * mpkt, length);
-
- /*------------------------------------------------------------*/
- /* Number of transmission packets */
- if (mpkt < i_write_length) {
- dmacnt = i_write_length / mpkt;
- lmpkt = (i_write_length % mpkt) & ~(u32)0x3;
- if (lmpkt != 0)
- dmacnt++;
- else
- lmpkt = mpkt & ~(u32)0x3;
-
- } else {
- dmacnt = 1;
- lmpkt = i_write_length & ~(u32)0x3;
- }
-
- /* Packet setting */
- data = mpkt | (lmpkt << 16);
- _nbu2ss_writel(&preg->EP_DCR[num].EP_DCR2, data);
-
- /* Address setting */
- p_buffer = req->req.dma;
- p_buffer += req->req.actual;
- _nbu2ss_writel(&preg->EP_DCR[num].EP_TADR, (u32)p_buffer);
-
- /* Packet and DMA setting */
- data = ((dmacnt & 0xff) << 16) | DCR1_EPN_REQEN;
- _nbu2ss_writel(&preg->EP_DCR[num].EP_DCR1, data);
-
- /* Packet setting of EPC */
- data = dmacnt << 16;
- _nbu2ss_writel(&preg->EP_REGS[num].EP_LEN_DCNT, data);
-
- /*DMA setting of EPC */
- _nbu2ss_bitset(&preg->EP_REGS[num].EP_DMA_CTRL, EPN_DMA_EN);
-
- result = i_write_length & ~(u32)0x3;
- req->div_len = result;
-
- return result;
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_epn_in_pio(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep,
- struct nbu2ss_req *req, u32 length)
-{
- u8 *p_buffer;
- u32 i;
- u32 data;
- u32 i_word_length;
- union usb_reg_access temp_32;
- union usb_reg_access *p_buf_32 = NULL;
- int result = 0;
- struct fc_regs __iomem *preg = udc->p_regs;
-
- if (req->dma_flag)
- return 1; /* DMA is forwarded */
-
- if (length > 0) {
- p_buffer = (u8 *)req->req.buf;
- p_buf_32 = (union usb_reg_access *)(p_buffer + req->req.actual);
-
- i_word_length = length / sizeof(u32);
- if (i_word_length > 0) {
- for (i = 0; i < i_word_length; i++) {
- _nbu2ss_writel(&preg->EP_REGS[ep->epnum - 1].EP_WRITE,
- p_buf_32->dw);
-
- p_buf_32++;
- }
- result = i_word_length * sizeof(u32);
- }
- }
-
- if (result != ep->ep.maxpacket) {
- data = length - result;
- temp_32.dw = 0;
- for (i = 0 ; i < data ; i++)
- temp_32.byte.DATA[i] = p_buf_32->byte.DATA[i];
-
- _nbu2ss_ep_in_end(udc, ep->epnum, temp_32.dw, data);
- result += data;
- }
-
- req->div_len = result;
-
- return result;
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_epn_in_data(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep,
- struct nbu2ss_req *req, u32 data_size)
-{
- u32 num;
- int nret = 1;
-
- if (ep->epnum == 0)
- return -EINVAL;
-
- num = ep->epnum - 1;
-
- if ((ep->ep_type != USB_ENDPOINT_XFER_INT) && (req->req.dma != 0) &&
- (data_size >= sizeof(u32))) {
- nret = _nbu2ss_in_dma(udc, ep, req, num, data_size);
- } else {
- data_size = min_t(u32, data_size, ep->ep.maxpacket);
- nret = _nbu2ss_epn_in_pio(udc, ep, req, data_size);
- }
-
- return nret;
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_epn_in_transfer(struct nbu2ss_udc *udc,
- struct nbu2ss_ep *ep, struct nbu2ss_req *req)
-{
- u32 num;
- u32 i_buf_size;
- int result = 0;
- u32 status;
-
- if (ep->epnum == 0)
- return -EINVAL;
-
- num = ep->epnum - 1;
-
- status = _nbu2ss_readl(&udc->p_regs->EP_REGS[num].EP_STATUS);
-
- /*-------------------------------------------------------------*/
- /* State confirmation of FIFO */
- if (req->req.actual == 0) {
- if ((status & EPN_IN_EMPTY) == 0)
- return 1; /* Not Empty */
-
- } else {
- if ((status & EPN_IN_FULL) != 0)
- return 1; /* Not Empty */
- }
-
- /*-------------------------------------------------------------*/
- /* Start transfer */
- i_buf_size = req->req.length - req->req.actual;
- if (i_buf_size > 0)
- result = _nbu2ss_epn_in_data(udc, ep, req, i_buf_size);
- else if (req->req.length == 0)
- _nbu2ss_zero_len_pkt(udc, ep->epnum);
-
- return result;
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_start_transfer(struct nbu2ss_udc *udc,
- struct nbu2ss_ep *ep,
- struct nbu2ss_req *req,
- bool bflag)
-{
- int nret = -EINVAL;
-
- req->dma_flag = false;
- req->div_len = 0;
-
- if (req->req.length == 0) {
- req->zero = false;
- } else {
- if ((req->req.length % ep->ep.maxpacket) == 0)
- req->zero = req->req.zero;
- else
- req->zero = false;
- }
-
- if (ep->epnum == 0) {
- /* EP0 */
- switch (udc->ep0state) {
- case EP0_IN_DATA_PHASE:
- nret = _nbu2ss_ep0_in_transfer(udc, req);
- break;
-
- case EP0_OUT_DATA_PHASE:
- nret = _nbu2ss_ep0_out_transfer(udc, req);
- break;
-
- case EP0_IN_STATUS_PHASE:
- nret = EP0_send_NULL(udc, true);
- break;
-
- default:
- break;
- }
-
- } else {
- /* EPN */
- if (ep->direct == USB_DIR_OUT) {
- /* OUT */
- if (!bflag)
- nret = _nbu2ss_epn_out_transfer(udc, ep, req);
- } else {
- /* IN */
- nret = _nbu2ss_epn_in_transfer(udc, ep, req);
- }
- }
-
- return nret;
-}
-
-/*-------------------------------------------------------------------------*/
-static void _nbu2ss_restert_transfer(struct nbu2ss_ep *ep)
-{
- u32 length;
- bool bflag = false;
- struct nbu2ss_req *req;
-
- req = list_first_entry_or_null(&ep->queue, struct nbu2ss_req, queue);
- if (!req)
- return;
-
- if (ep->epnum > 0) {
- length = _nbu2ss_readl(&ep->udc->p_regs->EP_REGS[ep->epnum - 1].EP_LEN_DCNT);
-
- length &= EPN_LDATA;
- if (length < ep->ep.maxpacket)
- bflag = true;
- }
-
- _nbu2ss_start_transfer(ep->udc, ep, req, bflag);
-}
-
-/*-------------------------------------------------------------------------*/
-/* Endpoint Toggle Reset */
-static void _nbu2ss_endpoint_toggle_reset(struct nbu2ss_udc *udc, u8 ep_adrs)
-{
- u8 num;
- u32 data;
-
- if ((ep_adrs == 0) || (ep_adrs == 0x80))
- return;
-
- num = (ep_adrs & 0x7F) - 1;
-
- if (ep_adrs & USB_DIR_IN)
- data = EPN_IPIDCLR;
- else
- data = EPN_BCLR | EPN_OPIDCLR;
-
- _nbu2ss_bitset(&udc->p_regs->EP_REGS[num].EP_CONTROL, data);
-}
-
-/*-------------------------------------------------------------------------*/
-/* Endpoint STALL set */
-static void _nbu2ss_set_endpoint_stall(struct nbu2ss_udc *udc,
- u8 ep_adrs, bool bstall)
-{
- u8 num, epnum;
- u32 data;
- struct nbu2ss_ep *ep;
- struct fc_regs __iomem *preg = udc->p_regs;
-
- if ((ep_adrs == 0) || (ep_adrs == 0x80)) {
- if (bstall) {
- /* Set STALL */
- _nbu2ss_bitset(&preg->EP0_CONTROL, EP0_STL);
- } else {
- /* Clear STALL */
- _nbu2ss_bitclr(&preg->EP0_CONTROL, EP0_STL);
- }
- } else {
- epnum = ep_adrs & USB_ENDPOINT_NUMBER_MASK;
- num = epnum - 1;
- ep = &udc->ep[epnum];
-
- if (bstall) {
- /* Set STALL */
- ep->halted = true;
-
- if (ep_adrs & USB_DIR_IN)
- data = EPN_BCLR | EPN_ISTL;
- else
- data = EPN_OSTL_EN | EPN_OSTL;
-
- _nbu2ss_bitset(&preg->EP_REGS[num].EP_CONTROL, data);
- } else {
- if (ep_adrs & USB_DIR_IN) {
- _nbu2ss_bitclr(&preg->EP_REGS[num].EP_CONTROL
- , EPN_ISTL);
- } else {
- data =
- _nbu2ss_readl(&preg->EP_REGS[num].EP_CONTROL);
-
- data &= ~EPN_OSTL;
- data |= EPN_OSTL_EN;
-
- _nbu2ss_writel(&preg->EP_REGS[num].EP_CONTROL
- , data);
- }
-
- /* Clear STALL */
- ep->stalled = false;
- if (ep->halted) {
- ep->halted = false;
- _nbu2ss_restert_transfer(ep);
- }
- }
- }
-}
-
-/*-------------------------------------------------------------------------*/
-static void _nbu2ss_set_test_mode(struct nbu2ss_udc *udc, u32 mode)
-{
- u32 data;
-
- if (mode > MAX_TEST_MODE_NUM)
- return;
-
- dev_info(udc->dev, "SET FEATURE : test mode = %d\n", mode);
-
- data = _nbu2ss_readl(&udc->p_regs->USB_CONTROL);
- data &= ~TEST_FORCE_ENABLE;
- data |= mode << TEST_MODE_SHIFT;
-
- _nbu2ss_writel(&udc->p_regs->USB_CONTROL, data);
- _nbu2ss_bitset(&udc->p_regs->TEST_CONTROL, CS_TESTMODEEN);
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_set_feature_device(struct nbu2ss_udc *udc,
- u16 selector, u16 wIndex)
-{
- int result = -EOPNOTSUPP;
-
- switch (selector) {
- case USB_DEVICE_REMOTE_WAKEUP:
- if (wIndex == 0x0000) {
- udc->remote_wakeup = U2F_ENABLE;
- result = 0;
- }
- break;
-
- case USB_DEVICE_TEST_MODE:
- wIndex >>= 8;
- if (wIndex <= MAX_TEST_MODE_NUM)
- result = 0;
- break;
-
- default:
- break;
- }
-
- return result;
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_get_ep_stall(struct nbu2ss_udc *udc, u8 ep_adrs)
-{
- u8 epnum;
- u32 data = 0, bit_data;
- struct fc_regs __iomem *preg = udc->p_regs;
-
- epnum = ep_adrs & ~USB_ENDPOINT_DIR_MASK;
- if (epnum == 0) {
- data = _nbu2ss_readl(&preg->EP0_CONTROL);
- bit_data = EP0_STL;
-
- } else {
- data = _nbu2ss_readl(&preg->EP_REGS[epnum - 1].EP_CONTROL);
- if ((data & EPN_EN) == 0)
- return -1;
-
- if (ep_adrs & USB_ENDPOINT_DIR_MASK)
- bit_data = EPN_ISTL;
- else
- bit_data = EPN_OSTL;
- }
-
- if ((data & bit_data) == 0)
- return 0;
- return 1;
-}
-
-/*-------------------------------------------------------------------------*/
-static inline int _nbu2ss_req_feature(struct nbu2ss_udc *udc, bool bset)
-{
- u8 recipient = (u8)(udc->ctrl.bRequestType & USB_RECIP_MASK);
- u8 direction = (u8)(udc->ctrl.bRequestType & USB_DIR_IN);
- u16 selector = le16_to_cpu(udc->ctrl.wValue);
- u16 wIndex = le16_to_cpu(udc->ctrl.wIndex);
- u8 ep_adrs;
- int result = -EOPNOTSUPP;
-
- if ((udc->ctrl.wLength != 0x0000) ||
- (direction != USB_DIR_OUT)) {
- return -EINVAL;
- }
-
- switch (recipient) {
- case USB_RECIP_DEVICE:
- if (bset)
- result =
- _nbu2ss_set_feature_device(udc, selector, wIndex);
- break;
-
- case USB_RECIP_ENDPOINT:
- if (0x0000 == (wIndex & 0xFF70)) {
- if (selector == USB_ENDPOINT_HALT) {
- ep_adrs = wIndex & 0xFF;
- if (!bset) {
- _nbu2ss_endpoint_toggle_reset(udc,
- ep_adrs);
- }
-
- _nbu2ss_set_endpoint_stall(udc, ep_adrs, bset);
-
- result = 0;
- }
- }
- break;
-
- default:
- break;
- }
-
- if (result >= 0)
- _nbu2ss_create_ep0_packet(udc, udc->ep0_buf, 0);
-
- return result;
-}
-
-/*-------------------------------------------------------------------------*/
-static inline enum usb_device_speed _nbu2ss_get_speed(struct nbu2ss_udc *udc)
-{
- u32 data;
- enum usb_device_speed speed = USB_SPEED_FULL;
-
- data = _nbu2ss_readl(&udc->p_regs->USB_STATUS);
- if (data & HIGH_SPEED)
- speed = USB_SPEED_HIGH;
-
- return speed;
-}
-
-/*-------------------------------------------------------------------------*/
-static void _nbu2ss_epn_set_stall(struct nbu2ss_udc *udc,
- struct nbu2ss_ep *ep)
-{
- u8 ep_adrs;
- u32 regdata;
- int limit_cnt = 0;
-
- struct fc_regs __iomem *preg = udc->p_regs;
-
- if (ep->direct == USB_DIR_IN) {
- for (limit_cnt = 0
- ; limit_cnt < IN_DATA_EMPTY_COUNT
- ; limit_cnt++) {
- regdata = _nbu2ss_readl(&preg->EP_REGS[ep->epnum - 1].EP_STATUS);
-
- if ((regdata & EPN_IN_DATA) == 0)
- break;
-
- mdelay(1);
- }
- }
-
- ep_adrs = ep->epnum | ep->direct;
- _nbu2ss_set_endpoint_stall(udc, ep_adrs, 1);
-}
-
-/*-------------------------------------------------------------------------*/
-static int std_req_get_status(struct nbu2ss_udc *udc)
-{
- u32 length;
- u16 status_data = 0;
- u8 recipient = (u8)(udc->ctrl.bRequestType & USB_RECIP_MASK);
- u8 direction = (u8)(udc->ctrl.bRequestType & USB_DIR_IN);
- u8 ep_adrs;
- int result = -EINVAL;
-
- if ((udc->ctrl.wValue != 0x0000) || (direction != USB_DIR_IN))
- return result;
-
- length =
- min_t(u16, le16_to_cpu(udc->ctrl.wLength), sizeof(status_data));
- switch (recipient) {
- case USB_RECIP_DEVICE:
- if (udc->ctrl.wIndex == 0x0000) {
- if (udc->gadget.is_selfpowered)
- status_data |= BIT(USB_DEVICE_SELF_POWERED);
-
- if (udc->remote_wakeup)
- status_data |= BIT(USB_DEVICE_REMOTE_WAKEUP);
-
- result = 0;
- }
- break;
-
- case USB_RECIP_ENDPOINT:
- if (0x0000 == (le16_to_cpu(udc->ctrl.wIndex) & 0xFF70)) {
- ep_adrs = (u8)(le16_to_cpu(udc->ctrl.wIndex) & 0xFF);
- result = _nbu2ss_get_ep_stall(udc, ep_adrs);
-
- if (result > 0)
- status_data |= BIT(USB_ENDPOINT_HALT);
- }
- break;
-
- default:
- break;
- }
-
- if (result >= 0) {
- memcpy(udc->ep0_buf, &status_data, length);
- _nbu2ss_create_ep0_packet(udc, udc->ep0_buf, length);
- _nbu2ss_ep0_in_transfer(udc, &udc->ep0_req);
-
- } else {
- dev_err(udc->dev, " Error GET_STATUS\n");
- }
-
- return result;
-}
-
-/*-------------------------------------------------------------------------*/
-static int std_req_clear_feature(struct nbu2ss_udc *udc)
-{
- return _nbu2ss_req_feature(udc, false);
-}
-
-/*-------------------------------------------------------------------------*/
-static int std_req_set_feature(struct nbu2ss_udc *udc)
-{
- return _nbu2ss_req_feature(udc, true);
-}
-
-/*-------------------------------------------------------------------------*/
-static int std_req_set_address(struct nbu2ss_udc *udc)
-{
- int result = 0;
- u32 wValue = le16_to_cpu(udc->ctrl.wValue);
-
- if ((udc->ctrl.bRequestType != 0x00) ||
- (udc->ctrl.wIndex != 0x0000) ||
- (udc->ctrl.wLength != 0x0000)) {
- return -EINVAL;
- }
-
- if (wValue != (wValue & 0x007F))
- return -EINVAL;
-
- wValue <<= USB_ADRS_SHIFT;
-
- _nbu2ss_writel(&udc->p_regs->USB_ADDRESS, wValue);
- _nbu2ss_create_ep0_packet(udc, udc->ep0_buf, 0);
-
- return result;
-}
-
-/*-------------------------------------------------------------------------*/
-static int std_req_set_configuration(struct nbu2ss_udc *udc)
-{
- u32 config_value = (u32)(le16_to_cpu(udc->ctrl.wValue) & 0x00ff);
-
- if ((udc->ctrl.wIndex != 0x0000) ||
- (udc->ctrl.wLength != 0x0000) ||
- (udc->ctrl.bRequestType != 0x00)) {
- return -EINVAL;
- }
-
- udc->curr_config = config_value;
-
- if (config_value > 0) {
- _nbu2ss_bitset(&udc->p_regs->USB_CONTROL, CONF);
- udc->devstate = USB_STATE_CONFIGURED;
-
- } else {
- _nbu2ss_bitclr(&udc->p_regs->USB_CONTROL, CONF);
- udc->devstate = USB_STATE_ADDRESS;
- }
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static inline void _nbu2ss_read_request_data(struct nbu2ss_udc *udc, u32 *pdata)
-{
- *pdata = _nbu2ss_readl(&udc->p_regs->SETUP_DATA0);
- pdata++;
- *pdata = _nbu2ss_readl(&udc->p_regs->SETUP_DATA1);
-}
-
-/*-------------------------------------------------------------------------*/
-static inline int _nbu2ss_decode_request(struct nbu2ss_udc *udc)
-{
- bool bcall_back = true;
- int nret = -EINVAL;
- struct usb_ctrlrequest *p_ctrl;
-
- p_ctrl = &udc->ctrl;
- _nbu2ss_read_request_data(udc, (u32 *)p_ctrl);
-
- /* ep0 state control */
- if (p_ctrl->wLength == 0) {
- udc->ep0state = EP0_IN_STATUS_PHASE;
-
- } else {
- if (p_ctrl->bRequestType & USB_DIR_IN)
- udc->ep0state = EP0_IN_DATA_PHASE;
- else
- udc->ep0state = EP0_OUT_DATA_PHASE;
- }
-
- if ((p_ctrl->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) {
- switch (p_ctrl->bRequest) {
- case USB_REQ_GET_STATUS:
- nret = std_req_get_status(udc);
- bcall_back = false;
- break;
-
- case USB_REQ_CLEAR_FEATURE:
- nret = std_req_clear_feature(udc);
- bcall_back = false;
- break;
-
- case USB_REQ_SET_FEATURE:
- nret = std_req_set_feature(udc);
- bcall_back = false;
- break;
-
- case USB_REQ_SET_ADDRESS:
- nret = std_req_set_address(udc);
- bcall_back = false;
- break;
-
- case USB_REQ_SET_CONFIGURATION:
- nret = std_req_set_configuration(udc);
- break;
-
- default:
- break;
- }
- }
-
- if (!bcall_back) {
- if (udc->ep0state == EP0_IN_STATUS_PHASE) {
- if (nret >= 0) {
- /*--------------------------------------*/
- /* Status Stage */
- nret = EP0_send_NULL(udc, true);
- }
- }
-
- } else {
- spin_unlock(&udc->lock);
- nret = udc->driver->setup(&udc->gadget, &udc->ctrl);
- spin_lock(&udc->lock);
- }
-
- if (nret < 0)
- udc->ep0state = EP0_IDLE;
-
- return nret;
-}
-
-/*-------------------------------------------------------------------------*/
-static inline int _nbu2ss_ep0_in_data_stage(struct nbu2ss_udc *udc)
-{
- int nret;
- struct nbu2ss_req *req;
- struct nbu2ss_ep *ep = &udc->ep[0];
-
- req = list_first_entry_or_null(&ep->queue, struct nbu2ss_req, queue);
- if (!req)
- req = &udc->ep0_req;
-
- req->req.actual += req->div_len;
- req->div_len = 0;
-
- nret = _nbu2ss_ep0_in_transfer(udc, req);
- if (nret == 0) {
- udc->ep0state = EP0_OUT_STATUS_PAHSE;
- EP0_receive_NULL(udc, true);
- }
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static inline int _nbu2ss_ep0_out_data_stage(struct nbu2ss_udc *udc)
-{
- int nret;
- struct nbu2ss_req *req;
- struct nbu2ss_ep *ep = &udc->ep[0];
-
- req = list_first_entry_or_null(&ep->queue, struct nbu2ss_req, queue);
- if (!req)
- req = &udc->ep0_req;
-
- nret = _nbu2ss_ep0_out_transfer(udc, req);
- if (nret == 0) {
- udc->ep0state = EP0_IN_STATUS_PHASE;
- EP0_send_NULL(udc, true);
-
- } else if (nret < 0) {
- _nbu2ss_bitset(&udc->p_regs->EP0_CONTROL, EP0_BCLR);
- req->req.status = nret;
- }
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static inline int _nbu2ss_ep0_status_stage(struct nbu2ss_udc *udc)
-{
- struct nbu2ss_req *req;
- struct nbu2ss_ep *ep = &udc->ep[0];
-
- req = list_first_entry_or_null(&ep->queue, struct nbu2ss_req, queue);
- if (!req) {
- req = &udc->ep0_req;
- if (req->req.complete)
- req->req.complete(&ep->ep, &req->req);
-
- } else {
- if (req->req.complete)
- _nbu2ss_ep_done(ep, req, 0);
- }
-
- udc->ep0state = EP0_IDLE;
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static inline void _nbu2ss_ep0_int(struct nbu2ss_udc *udc)
-{
- int i;
- u32 status;
- u32 intr;
- int nret = -1;
-
- status = _nbu2ss_readl(&udc->p_regs->EP0_STATUS);
- intr = status & EP0_STATUS_RW_BIT;
- _nbu2ss_writel(&udc->p_regs->EP0_STATUS, ~intr);
-
- status &= (SETUP_INT | EP0_IN_INT | EP0_OUT_INT
- | STG_END_INT | EP0_OUT_NULL_INT);
-
- if (status == 0) {
- dev_info(udc->dev, "%s Not Decode Interrupt\n", __func__);
- dev_info(udc->dev, "EP0_STATUS = 0x%08x\n", intr);
- return;
- }
-
- if (udc->gadget.speed == USB_SPEED_UNKNOWN)
- udc->gadget.speed = _nbu2ss_get_speed(udc);
-
- for (i = 0; i < EP0_END_XFER; i++) {
- switch (udc->ep0state) {
- case EP0_IDLE:
- if (status & SETUP_INT) {
- status = 0;
- nret = _nbu2ss_decode_request(udc);
- }
- break;
-
- case EP0_IN_DATA_PHASE:
- if (status & EP0_IN_INT) {
- status &= ~EP0_IN_INT;
- nret = _nbu2ss_ep0_in_data_stage(udc);
- }
- break;
-
- case EP0_OUT_DATA_PHASE:
- if (status & EP0_OUT_INT) {
- status &= ~EP0_OUT_INT;
- nret = _nbu2ss_ep0_out_data_stage(udc);
- }
- break;
-
- case EP0_IN_STATUS_PHASE:
- if ((status & STG_END_INT) || (status & SETUP_INT)) {
- status &= ~(STG_END_INT | EP0_IN_INT);
- nret = _nbu2ss_ep0_status_stage(udc);
- }
- break;
-
- case EP0_OUT_STATUS_PAHSE:
- if ((status & STG_END_INT) || (status & SETUP_INT) ||
- (status & EP0_OUT_NULL_INT)) {
- status &= ~(STG_END_INT
- | EP0_OUT_INT
- | EP0_OUT_NULL_INT);
-
- nret = _nbu2ss_ep0_status_stage(udc);
- }
-
- break;
-
- default:
- status = 0;
- break;
- }
-
- if (status == 0)
- break;
- }
-
- if (nret < 0) {
- /* Send Stall */
- _nbu2ss_set_endpoint_stall(udc, 0, true);
- }
-}
-
-/*-------------------------------------------------------------------------*/
-static void _nbu2ss_ep_done(struct nbu2ss_ep *ep,
- struct nbu2ss_req *req,
- int status)
-{
- struct nbu2ss_udc *udc = ep->udc;
-
- list_del_init(&req->queue);
-
- if (status == -ECONNRESET)
- _nbu2ss_fifo_flush(udc, ep);
-
- if (likely(req->req.status == -EINPROGRESS))
- req->req.status = status;
-
- if (ep->stalled) {
- _nbu2ss_epn_set_stall(udc, ep);
- } else {
- if (!list_empty(&ep->queue))
- _nbu2ss_restert_transfer(ep);
- }
-
-#ifdef USE_DMA
- if ((ep->direct == USB_DIR_OUT) && (ep->epnum > 0) &&
- (req->req.dma != 0))
- _nbu2ss_dma_unmap_single(udc, ep, req, USB_DIR_OUT);
-#endif
-
- spin_unlock(&udc->lock);
- req->req.complete(&ep->ep, &req->req);
- spin_lock(&udc->lock);
-}
-
-/*-------------------------------------------------------------------------*/
-static inline void _nbu2ss_epn_in_int(struct nbu2ss_udc *udc,
- struct nbu2ss_ep *ep,
- struct nbu2ss_req *req)
-{
- int result = 0;
- u32 status;
-
- struct fc_regs __iomem *preg = udc->p_regs;
-
- if (req->dma_flag)
- return; /* DMA is forwarded */
-
- req->req.actual += req->div_len;
- req->div_len = 0;
-
- if (req->req.actual != req->req.length) {
- /*---------------------------------------------------------*/
- /* remainder of data */
- result = _nbu2ss_epn_in_transfer(udc, ep, req);
-
- } else {
- if (req->zero && ((req->req.actual % ep->ep.maxpacket) == 0)) {
- status =
- _nbu2ss_readl(&preg->EP_REGS[ep->epnum - 1].EP_STATUS);
-
- if ((status & EPN_IN_FULL) == 0) {
- /*-----------------------------------------*/
- /* 0 Length Packet */
- req->zero = false;
- _nbu2ss_zero_len_pkt(udc, ep->epnum);
- }
- return;
- }
- }
-
- if (result <= 0) {
- /*---------------------------------------------------------*/
- /* Complete */
- _nbu2ss_ep_done(ep, req, result);
- }
-}
-
-/*-------------------------------------------------------------------------*/
-static inline void _nbu2ss_epn_out_int(struct nbu2ss_udc *udc,
- struct nbu2ss_ep *ep,
- struct nbu2ss_req *req)
-{
- int result;
-
- result = _nbu2ss_epn_out_transfer(udc, ep, req);
- if (result <= 0)
- _nbu2ss_ep_done(ep, req, result);
-}
-
-/*-------------------------------------------------------------------------*/
-static inline void _nbu2ss_epn_in_dma_int(struct nbu2ss_udc *udc,
- struct nbu2ss_ep *ep,
- struct nbu2ss_req *req)
-{
- u32 mpkt;
- u32 size;
- struct usb_request *preq;
-
- preq = &req->req;
-
- if (!req->dma_flag)
- return;
-
- preq->actual += req->div_len;
- req->div_len = 0;
- req->dma_flag = false;
-
-#ifdef USE_DMA
- _nbu2ss_dma_unmap_single(udc, ep, req, USB_DIR_IN);
-#endif
-
- if (preq->actual != preq->length) {
- _nbu2ss_epn_in_transfer(udc, ep, req);
- } else {
- mpkt = ep->ep.maxpacket;
- size = preq->actual % mpkt;
- if (size > 0) {
- if (((preq->actual & 0x03) == 0) && (size < mpkt))
- _nbu2ss_ep_in_end(udc, ep->epnum, 0, 0);
- } else {
- _nbu2ss_epn_in_int(udc, ep, req);
- }
- }
-}
-
-/*-------------------------------------------------------------------------*/
-static inline void _nbu2ss_epn_out_dma_int(struct nbu2ss_udc *udc,
- struct nbu2ss_ep *ep,
- struct nbu2ss_req *req)
-{
- int i;
- u32 num;
- u32 dmacnt, ep_dmacnt;
- u32 mpkt;
- struct fc_regs __iomem *preg = udc->p_regs;
-
- num = ep->epnum - 1;
-
- if (req->req.actual == req->req.length) {
- if ((req->req.length % ep->ep.maxpacket) && !req->zero) {
- req->div_len = 0;
- req->dma_flag = false;
- _nbu2ss_ep_done(ep, req, 0);
- return;
- }
- }
-
- ep_dmacnt = _nbu2ss_readl(&preg->EP_REGS[num].EP_LEN_DCNT)
- & EPN_DMACNT;
- ep_dmacnt >>= 16;
-
- for (i = 0; i < EPC_PLL_LOCK_COUNT; i++) {
- dmacnt = _nbu2ss_readl(&preg->EP_DCR[num].EP_DCR1)
- & DCR1_EPN_DMACNT;
- dmacnt >>= 16;
- if (ep_dmacnt == dmacnt)
- break;
- }
-
- _nbu2ss_bitclr(&preg->EP_DCR[num].EP_DCR1, DCR1_EPN_REQEN);
-
- if (dmacnt != 0) {
- mpkt = ep->ep.maxpacket;
- if ((req->div_len % mpkt) == 0)
- req->div_len -= mpkt * dmacnt;
- }
-
- if ((req->req.actual % ep->ep.maxpacket) > 0) {
- if (req->req.actual == req->div_len) {
- req->div_len = 0;
- req->dma_flag = false;
- _nbu2ss_ep_done(ep, req, 0);
- return;
- }
- }
-
- req->req.actual += req->div_len;
- req->div_len = 0;
- req->dma_flag = false;
-
- _nbu2ss_epn_out_int(udc, ep, req);
-}
-
-/*-------------------------------------------------------------------------*/
-static inline void _nbu2ss_epn_int(struct nbu2ss_udc *udc, u32 epnum)
-{
- u32 num;
- u32 status;
-
- struct nbu2ss_req *req;
- struct nbu2ss_ep *ep = &udc->ep[epnum];
-
- num = epnum - 1;
-
- /* Interrupt Status */
- status = _nbu2ss_readl(&udc->p_regs->EP_REGS[num].EP_STATUS);
-
- /* Interrupt Clear */
- _nbu2ss_writel(&udc->p_regs->EP_REGS[num].EP_STATUS, ~status);
-
- req = list_first_entry_or_null(&ep->queue, struct nbu2ss_req, queue);
- if (!req) {
- /* pr_warn("=== %s(%d) req == NULL\n", __func__, epnum); */
- return;
- }
-
- if (status & EPN_OUT_END_INT) {
- status &= ~EPN_OUT_INT;
- _nbu2ss_epn_out_dma_int(udc, ep, req);
- }
-
- if (status & EPN_OUT_INT)
- _nbu2ss_epn_out_int(udc, ep, req);
-
- if (status & EPN_IN_END_INT) {
- status &= ~EPN_IN_INT;
- _nbu2ss_epn_in_dma_int(udc, ep, req);
- }
-
- if (status & EPN_IN_INT)
- _nbu2ss_epn_in_int(udc, ep, req);
-}
-
-/*-------------------------------------------------------------------------*/
-static inline void _nbu2ss_ep_int(struct nbu2ss_udc *udc, u32 epnum)
-{
- if (epnum == 0)
- _nbu2ss_ep0_int(udc);
- else
- _nbu2ss_epn_int(udc, epnum);
-}
-
-/*-------------------------------------------------------------------------*/
-static void _nbu2ss_ep0_enable(struct nbu2ss_udc *udc)
-{
- _nbu2ss_bitset(&udc->p_regs->EP0_CONTROL, (EP0_AUTO | EP0_BCLR));
- _nbu2ss_writel(&udc->p_regs->EP0_INT_ENA, EP0_INT_EN_BIT);
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_nuke(struct nbu2ss_udc *udc,
- struct nbu2ss_ep *ep,
- int status)
-{
- struct nbu2ss_req *req, *n;
-
- /* Endpoint Disable */
- _nbu2ss_epn_exit(udc, ep);
-
- /* DMA Disable */
- _nbu2ss_ep_dma_exit(udc, ep);
-
- if (list_empty(&ep->queue))
- return 0;
-
- /* called with irqs blocked */
- list_for_each_entry_safe(req, n, &ep->queue, queue) {
- _nbu2ss_ep_done(ep, req, status);
- }
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static void _nbu2ss_quiesce(struct nbu2ss_udc *udc)
-{
- struct nbu2ss_ep *ep;
-
- udc->gadget.speed = USB_SPEED_UNKNOWN;
-
- _nbu2ss_nuke(udc, &udc->ep[0], -ESHUTDOWN);
-
- /* Endpoint n */
- list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) {
- _nbu2ss_nuke(udc, ep, -ESHUTDOWN);
- }
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_pullup(struct nbu2ss_udc *udc, int is_on)
-{
- u32 reg_dt;
-
- if (udc->vbus_active == 0)
- return -ESHUTDOWN;
-
- if (is_on) {
- /* D+ Pullup */
- if (udc->driver) {
- reg_dt = (_nbu2ss_readl(&udc->p_regs->USB_CONTROL)
- | PUE2) & ~(u32)CONNECTB;
-
- _nbu2ss_writel(&udc->p_regs->USB_CONTROL, reg_dt);
- }
-
- } else {
- /* D+ Pulldown */
- reg_dt = (_nbu2ss_readl(&udc->p_regs->USB_CONTROL) | CONNECTB)
- & ~(u32)PUE2;
-
- _nbu2ss_writel(&udc->p_regs->USB_CONTROL, reg_dt);
- udc->gadget.speed = USB_SPEED_UNKNOWN;
- }
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static void _nbu2ss_fifo_flush(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep)
-{
- struct fc_regs __iomem *p = udc->p_regs;
-
- if (udc->vbus_active == 0)
- return;
-
- if (ep->epnum == 0) {
- /* EP0 */
- _nbu2ss_bitset(&p->EP0_CONTROL, EP0_BCLR);
-
- } else {
- /* EPN */
- _nbu2ss_ep_dma_abort(udc, ep);
- _nbu2ss_bitset(&p->EP_REGS[ep->epnum - 1].EP_CONTROL, EPN_BCLR);
- }
-}
-
-/*-------------------------------------------------------------------------*/
-static int _nbu2ss_enable_controller(struct nbu2ss_udc *udc)
-{
- int waitcnt = 0;
-
- if (udc->udc_enabled)
- return 0;
-
- /* Reset */
- _nbu2ss_bitset(&udc->p_regs->EPCTR, (DIRPD | EPC_RST));
- udelay(EPC_RST_DISABLE_TIME); /* 1us wait */
-
- _nbu2ss_bitclr(&udc->p_regs->EPCTR, DIRPD);
- mdelay(EPC_DIRPD_DISABLE_TIME); /* 1ms wait */
-
- _nbu2ss_bitclr(&udc->p_regs->EPCTR, EPC_RST);
-
- _nbu2ss_writel(&udc->p_regs->AHBSCTR, WAIT_MODE);
-
- _nbu2ss_writel(&udc->p_regs->AHBMCTR,
- HBUSREQ_MODE | HTRANS_MODE | WBURST_TYPE);
-
- while (!(_nbu2ss_readl(&udc->p_regs->EPCTR) & PLL_LOCK)) {
- waitcnt++;
- udelay(1); /* 1us wait */
- if (waitcnt == EPC_PLL_LOCK_COUNT) {
- dev_err(udc->dev, "*** Reset Cancel failed\n");
- return -EINVAL;
- }
- }
-
- _nbu2ss_bitset(&udc->p_regs->UTMI_CHARACTER_1, USB_SQUSET);
-
- _nbu2ss_bitset(&udc->p_regs->USB_CONTROL, (INT_SEL | SOF_RCV));
-
- /* EP0 */
- _nbu2ss_ep0_enable(udc);
-
- /* USB Interrupt Enable */
- _nbu2ss_bitset(&udc->p_regs->USB_INT_ENA, USB_INT_EN_BIT);
-
- udc->udc_enabled = true;
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static void _nbu2ss_reset_controller(struct nbu2ss_udc *udc)
-{
- _nbu2ss_bitset(&udc->p_regs->EPCTR, EPC_RST);
- _nbu2ss_bitclr(&udc->p_regs->EPCTR, EPC_RST);
-}
-
-/*-------------------------------------------------------------------------*/
-static void _nbu2ss_disable_controller(struct nbu2ss_udc *udc)
-{
- if (udc->udc_enabled) {
- udc->udc_enabled = false;
- _nbu2ss_reset_controller(udc);
- _nbu2ss_bitset(&udc->p_regs->EPCTR, (DIRPD | EPC_RST));
- }
-}
-
-/*-------------------------------------------------------------------------*/
-static inline void _nbu2ss_check_vbus(struct nbu2ss_udc *udc)
-{
- int nret;
- u32 reg_dt;
-
- /* chattering */
- mdelay(VBUS_CHATTERING_MDELAY); /* wait (ms) */
-
- /* VBUS ON Check*/
- reg_dt = gpiod_get_value(vbus_gpio);
- if (reg_dt == 0) {
- udc->linux_suspended = 0;
-
- _nbu2ss_reset_controller(udc);
- dev_info(udc->dev, " ----- VBUS OFF\n");
-
- if (udc->vbus_active == 1) {
- /* VBUS OFF */
- udc->vbus_active = 0;
- if (udc->usb_suspended) {
- udc->usb_suspended = 0;
- /* _nbu2ss_reset_controller(udc); */
- }
- udc->devstate = USB_STATE_NOTATTACHED;
-
- _nbu2ss_quiesce(udc);
- if (udc->driver) {
- spin_unlock(&udc->lock);
- udc->driver->disconnect(&udc->gadget);
- spin_lock(&udc->lock);
- }
-
- _nbu2ss_disable_controller(udc);
- }
- } else {
- mdelay(5); /* wait (5ms) */
- reg_dt = gpiod_get_value(vbus_gpio);
- if (reg_dt == 0)
- return;
-
- dev_info(udc->dev, " ----- VBUS ON\n");
-
- if (udc->linux_suspended)
- return;
-
- if (udc->vbus_active == 0) {
- /* VBUS ON */
- udc->vbus_active = 1;
- udc->devstate = USB_STATE_POWERED;
-
- nret = _nbu2ss_enable_controller(udc);
- if (nret < 0) {
- _nbu2ss_disable_controller(udc);
- udc->vbus_active = 0;
- return;
- }
-
- _nbu2ss_pullup(udc, 1);
-
-#ifdef UDC_DEBUG_DUMP
- _nbu2ss_dump_register(udc);
-#endif /* UDC_DEBUG_DUMP */
-
- } else {
- if (udc->devstate == USB_STATE_POWERED)
- _nbu2ss_pullup(udc, 1);
- }
- }
-}
-
-/*-------------------------------------------------------------------------*/
-static inline void _nbu2ss_int_bus_reset(struct nbu2ss_udc *udc)
-{
- udc->devstate = USB_STATE_DEFAULT;
- udc->remote_wakeup = 0;
-
- _nbu2ss_quiesce(udc);
-
- udc->ep0state = EP0_IDLE;
-}
-
-/*-------------------------------------------------------------------------*/
-static inline void _nbu2ss_int_usb_resume(struct nbu2ss_udc *udc)
-{
- if (udc->usb_suspended == 1) {
- udc->usb_suspended = 0;
- if (udc->driver && udc->driver->resume) {
- spin_unlock(&udc->lock);
- udc->driver->resume(&udc->gadget);
- spin_lock(&udc->lock);
- }
- }
-}
-
-/*-------------------------------------------------------------------------*/
-static inline void _nbu2ss_int_usb_suspend(struct nbu2ss_udc *udc)
-{
- u32 reg_dt;
-
- if (udc->usb_suspended == 0) {
- reg_dt = gpiod_get_value(vbus_gpio);
-
- if (reg_dt == 0)
- return;
-
- udc->usb_suspended = 1;
- if (udc->driver && udc->driver->suspend) {
- spin_unlock(&udc->lock);
- udc->driver->suspend(&udc->gadget);
- spin_lock(&udc->lock);
- }
-
- _nbu2ss_bitset(&udc->p_regs->USB_CONTROL, SUSPEND);
- }
-}
-
-/*-------------------------------------------------------------------------*/
-/* VBUS (GPIO153) Interrupt */
-static irqreturn_t _nbu2ss_vbus_irq(int irq, void *_udc)
-{
- struct nbu2ss_udc *udc = (struct nbu2ss_udc *)_udc;
-
- spin_lock(&udc->lock);
- _nbu2ss_check_vbus(udc);
- spin_unlock(&udc->lock);
-
- return IRQ_HANDLED;
-}
-
-/*-------------------------------------------------------------------------*/
-/* Interrupt (udc) */
-static irqreturn_t _nbu2ss_udc_irq(int irq, void *_udc)
-{
- u8 suspend_flag = 0;
- u32 status;
- u32 epnum, int_bit;
-
- struct nbu2ss_udc *udc = (struct nbu2ss_udc *)_udc;
- struct fc_regs __iomem *preg = udc->p_regs;
-
- if (gpiod_get_value(vbus_gpio) == 0) {
- _nbu2ss_writel(&preg->USB_INT_STA, ~USB_INT_STA_RW);
- _nbu2ss_writel(&preg->USB_INT_ENA, 0);
- return IRQ_HANDLED;
- }
-
- spin_lock(&udc->lock);
-
- for (;;) {
- if (gpiod_get_value(vbus_gpio) == 0) {
- _nbu2ss_writel(&preg->USB_INT_STA, ~USB_INT_STA_RW);
- _nbu2ss_writel(&preg->USB_INT_ENA, 0);
- status = 0;
- } else {
- status = _nbu2ss_readl(&preg->USB_INT_STA);
- }
-
- if (status == 0)
- break;
-
- _nbu2ss_writel(&preg->USB_INT_STA, ~(status & USB_INT_STA_RW));
-
- if (status & USB_RST_INT) {
- /* USB Reset */
- _nbu2ss_int_bus_reset(udc);
- }
-
- if (status & RSUM_INT) {
- /* Resume */
- _nbu2ss_int_usb_resume(udc);
- }
-
- if (status & SPND_INT) {
- /* Suspend */
- suspend_flag = 1;
- }
-
- if (status & EPN_INT) {
- /* EP INT */
- int_bit = status >> 8;
-
- for (epnum = 0; epnum < NUM_ENDPOINTS; epnum++) {
- if (0x01 & int_bit)
- _nbu2ss_ep_int(udc, epnum);
-
- int_bit >>= 1;
-
- if (int_bit == 0)
- break;
- }
- }
- }
-
- if (suspend_flag)
- _nbu2ss_int_usb_suspend(udc);
-
- spin_unlock(&udc->lock);
-
- return IRQ_HANDLED;
-}
-
-/*-------------------------------------------------------------------------*/
-/* usb_ep_ops */
-static int nbu2ss_ep_enable(struct usb_ep *_ep,
- const struct usb_endpoint_descriptor *desc)
-{
- u8 ep_type;
- unsigned long flags;
-
- struct nbu2ss_ep *ep;
- struct nbu2ss_udc *udc;
-
- if (!_ep || !desc) {
- pr_err(" *** %s, bad param\n", __func__);
- return -EINVAL;
- }
-
- ep = container_of(_ep, struct nbu2ss_ep, ep);
- if (!ep->udc) {
- pr_err(" *** %s, ep == NULL !!\n", __func__);
- return -EINVAL;
- }
-
- ep_type = usb_endpoint_type(desc);
- if ((ep_type == USB_ENDPOINT_XFER_CONTROL) ||
- (ep_type == USB_ENDPOINT_XFER_ISOC)) {
- pr_err(" *** %s, bat bmAttributes\n", __func__);
- return -EINVAL;
- }
-
- udc = ep->udc;
- if (udc->vbus_active == 0)
- return -ESHUTDOWN;
-
- if ((!udc->driver) || (udc->gadget.speed == USB_SPEED_UNKNOWN)) {
- dev_err(ep->udc->dev, " *** %s, udc !!\n", __func__);
- return -ESHUTDOWN;
- }
-
- spin_lock_irqsave(&udc->lock, flags);
-
- ep->desc = desc;
- ep->epnum = usb_endpoint_num(desc);
- ep->direct = desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK;
- ep->ep_type = ep_type;
- ep->wedged = 0;
- ep->halted = false;
- ep->stalled = false;
-
- ep->ep.maxpacket = le16_to_cpu(desc->wMaxPacketSize);
-
- /* DMA setting */
- _nbu2ss_ep_dma_init(udc, ep);
-
- /* Endpoint setting */
- _nbu2ss_ep_init(udc, ep);
-
- spin_unlock_irqrestore(&udc->lock, flags);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_ep_disable(struct usb_ep *_ep)
-{
- struct nbu2ss_ep *ep;
- struct nbu2ss_udc *udc;
- unsigned long flags;
-
- if (!_ep) {
- pr_err(" *** %s, bad param\n", __func__);
- return -EINVAL;
- }
-
- ep = container_of(_ep, struct nbu2ss_ep, ep);
- if (!ep->udc) {
- pr_err("udc: *** %s, ep == NULL !!\n", __func__);
- return -EINVAL;
- }
-
- udc = ep->udc;
- if (udc->vbus_active == 0)
- return -ESHUTDOWN;
-
- spin_lock_irqsave(&udc->lock, flags);
- _nbu2ss_nuke(udc, ep, -EINPROGRESS); /* dequeue request */
- spin_unlock_irqrestore(&udc->lock, flags);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static struct usb_request *nbu2ss_ep_alloc_request(struct usb_ep *ep,
- gfp_t gfp_flags)
-{
- struct nbu2ss_req *req;
-
- req = kzalloc(sizeof(*req), gfp_flags);
- if (!req)
- return NULL;
-
-#ifdef USE_DMA
- req->req.dma = DMA_ADDR_INVALID;
-#endif
- INIT_LIST_HEAD(&req->queue);
-
- return &req->req;
-}
-
-/*-------------------------------------------------------------------------*/
-static void nbu2ss_ep_free_request(struct usb_ep *_ep,
- struct usb_request *_req)
-{
- struct nbu2ss_req *req;
-
- if (_req) {
- req = container_of(_req, struct nbu2ss_req, req);
-
- kfree(req);
- }
-}
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_ep_queue(struct usb_ep *_ep,
- struct usb_request *_req, gfp_t gfp_flags)
-{
- struct nbu2ss_req *req;
- struct nbu2ss_ep *ep;
- struct nbu2ss_udc *udc;
- unsigned long flags;
- bool bflag;
- int result = -EINVAL;
-
- /* catch various bogus parameters */
- if (!_ep || !_req) {
- if (!_ep)
- pr_err("udc: %s --- _ep == NULL\n", __func__);
-
- if (!_req)
- pr_err("udc: %s --- _req == NULL\n", __func__);
-
- return -EINVAL;
- }
-
- req = container_of(_req, struct nbu2ss_req, req);
- if (unlikely(!_req->complete ||
- !_req->buf ||
- !list_empty(&req->queue))) {
- if (!_req->complete)
- pr_err("udc: %s --- !_req->complete\n", __func__);
-
- if (!_req->buf)
- pr_err("udc:%s --- !_req->buf\n", __func__);
-
- if (!list_empty(&req->queue))
- pr_err("%s --- !list_empty(&req->queue)\n", __func__);
-
- return -EINVAL;
- }
-
- ep = container_of(_ep, struct nbu2ss_ep, ep);
- udc = ep->udc;
-
- if (udc->vbus_active == 0) {
- dev_info(udc->dev, "Can't ep_queue (VBUS OFF)\n");
- return -ESHUTDOWN;
- }
-
- if (unlikely(!udc->driver)) {
- dev_err(udc->dev, "%s, bogus device state %p\n", __func__,
- udc->driver);
- return -ESHUTDOWN;
- }
-
- spin_lock_irqsave(&udc->lock, flags);
-
-#ifdef USE_DMA
- if ((uintptr_t)req->req.buf & 0x3)
- req->unaligned = true;
- else
- req->unaligned = false;
-
- if (req->unaligned) {
- if (!ep->virt_buf) {
- ep->virt_buf = dma_alloc_coherent(udc->dev, PAGE_SIZE,
- &ep->phys_buf,
- GFP_ATOMIC | GFP_DMA);
- if (!ep->virt_buf) {
- spin_unlock_irqrestore(&udc->lock, flags);
- return -ENOMEM;
- }
- }
- if (ep->epnum > 0) {
- if (ep->direct == USB_DIR_IN)
- memcpy(ep->virt_buf, req->req.buf,
- req->req.length);
- }
- }
-
- if ((ep->epnum > 0) && (ep->direct == USB_DIR_OUT) &&
- (req->req.dma != 0))
- _nbu2ss_dma_map_single(udc, ep, req, USB_DIR_OUT);
-#endif
-
- _req->status = -EINPROGRESS;
- _req->actual = 0;
-
- bflag = list_empty(&ep->queue);
- list_add_tail(&req->queue, &ep->queue);
-
- if (bflag && !ep->stalled) {
- result = _nbu2ss_start_transfer(udc, ep, req, false);
- if (result < 0) {
- dev_err(udc->dev, " *** %s, result = %d\n", __func__,
- result);
- list_del(&req->queue);
- } else if ((ep->epnum > 0) && (ep->direct == USB_DIR_OUT)) {
-#ifdef USE_DMA
- if (req->req.length < 4 &&
- req->req.length == req->req.actual)
-#else
- if (req->req.length == req->req.actual)
-#endif
- _nbu2ss_ep_done(ep, req, result);
- }
- }
-
- spin_unlock_irqrestore(&udc->lock, flags);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
-{
- struct nbu2ss_req *req;
- struct nbu2ss_ep *ep;
- struct nbu2ss_udc *udc;
- unsigned long flags;
-
- /* catch various bogus parameters */
- if (!_ep || !_req) {
- /* pr_err("%s, bad param(1)\n", __func__); */
- return -EINVAL;
- }
-
- ep = container_of(_ep, struct nbu2ss_ep, ep);
-
- udc = ep->udc;
- if (!udc)
- return -EINVAL;
-
- spin_lock_irqsave(&udc->lock, flags);
-
- /* make sure it's actually queued on this endpoint */
- list_for_each_entry(req, &ep->queue, queue) {
- if (&req->req == _req) {
- _nbu2ss_ep_done(ep, req, -ECONNRESET);
- spin_unlock_irqrestore(&udc->lock, flags);
- return 0;
- }
- }
-
- spin_unlock_irqrestore(&udc->lock, flags);
-
- pr_debug("%s no queue(EINVAL)\n", __func__);
-
- return -EINVAL;
-}
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_ep_set_halt(struct usb_ep *_ep, int value)
-{
- u8 ep_adrs;
- unsigned long flags;
-
- struct nbu2ss_ep *ep;
- struct nbu2ss_udc *udc;
-
- if (!_ep) {
- pr_err("%s, bad param\n", __func__);
- return -EINVAL;
- }
-
- ep = container_of(_ep, struct nbu2ss_ep, ep);
-
- udc = ep->udc;
- if (!udc) {
- dev_err(ep->udc->dev, " *** %s, bad udc\n", __func__);
- return -EINVAL;
- }
-
- spin_lock_irqsave(&udc->lock, flags);
-
- ep_adrs = ep->epnum | ep->direct;
- if (value == 0) {
- _nbu2ss_set_endpoint_stall(udc, ep_adrs, value);
- ep->stalled = false;
- } else {
- if (list_empty(&ep->queue))
- _nbu2ss_epn_set_stall(udc, ep);
- else
- ep->stalled = true;
- }
-
- if (value == 0)
- ep->wedged = 0;
-
- spin_unlock_irqrestore(&udc->lock, flags);
-
- return 0;
-}
-
-static int nbu2ss_ep_set_wedge(struct usb_ep *_ep)
-{
- return nbu2ss_ep_set_halt(_ep, 1);
-}
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_ep_fifo_status(struct usb_ep *_ep)
-{
- u32 data;
- struct nbu2ss_ep *ep;
- struct nbu2ss_udc *udc;
- unsigned long flags;
- struct fc_regs __iomem *preg;
-
- if (!_ep) {
- pr_err("%s, bad param\n", __func__);
- return -EINVAL;
- }
-
- ep = container_of(_ep, struct nbu2ss_ep, ep);
-
- udc = ep->udc;
- if (!udc) {
- dev_err(ep->udc->dev, "%s, bad udc\n", __func__);
- return -EINVAL;
- }
-
- preg = udc->p_regs;
-
- data = gpiod_get_value(vbus_gpio);
- if (data == 0)
- return -EINVAL;
-
- spin_lock_irqsave(&udc->lock, flags);
-
- if (ep->epnum == 0) {
- data = _nbu2ss_readl(&preg->EP0_LENGTH) & EP0_LDATA;
-
- } else {
- data = _nbu2ss_readl(&preg->EP_REGS[ep->epnum - 1].EP_LEN_DCNT)
- & EPN_LDATA;
- }
-
- spin_unlock_irqrestore(&udc->lock, flags);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static void nbu2ss_ep_fifo_flush(struct usb_ep *_ep)
-{
- u32 data;
- struct nbu2ss_ep *ep;
- struct nbu2ss_udc *udc;
- unsigned long flags;
-
- if (!_ep) {
- pr_err("udc: %s, bad param\n", __func__);
- return;
- }
-
- ep = container_of(_ep, struct nbu2ss_ep, ep);
-
- udc = ep->udc;
- if (!udc) {
- dev_err(ep->udc->dev, "%s, bad udc\n", __func__);
- return;
- }
-
- data = gpiod_get_value(vbus_gpio);
- if (data == 0)
- return;
-
- spin_lock_irqsave(&udc->lock, flags);
- _nbu2ss_fifo_flush(udc, ep);
- spin_unlock_irqrestore(&udc->lock, flags);
-}
-
-/*-------------------------------------------------------------------------*/
-static const struct usb_ep_ops nbu2ss_ep_ops = {
- .enable = nbu2ss_ep_enable,
- .disable = nbu2ss_ep_disable,
-
- .alloc_request = nbu2ss_ep_alloc_request,
- .free_request = nbu2ss_ep_free_request,
-
- .queue = nbu2ss_ep_queue,
- .dequeue = nbu2ss_ep_dequeue,
-
- .set_halt = nbu2ss_ep_set_halt,
- .set_wedge = nbu2ss_ep_set_wedge,
-
- .fifo_status = nbu2ss_ep_fifo_status,
- .fifo_flush = nbu2ss_ep_fifo_flush,
-};
-
-/*-------------------------------------------------------------------------*/
-/* usb_gadget_ops */
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_gad_get_frame(struct usb_gadget *pgadget)
-{
- u32 data;
- struct nbu2ss_udc *udc;
-
- if (!pgadget) {
- pr_err("udc: %s, bad param\n", __func__);
- return -EINVAL;
- }
-
- udc = container_of(pgadget, struct nbu2ss_udc, gadget);
- data = gpiod_get_value(vbus_gpio);
- if (data == 0)
- return -EINVAL;
-
- return _nbu2ss_readl(&udc->p_regs->USB_ADDRESS) & FRAME;
-}
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_gad_wakeup(struct usb_gadget *pgadget)
-{
- int i;
- u32 data;
-
- struct nbu2ss_udc *udc;
-
- if (!pgadget) {
- pr_err("%s, bad param\n", __func__);
- return -EINVAL;
- }
-
- udc = container_of(pgadget, struct nbu2ss_udc, gadget);
-
- data = gpiod_get_value(vbus_gpio);
- if (data == 0) {
- dev_warn(&pgadget->dev, "VBUS LEVEL = %d\n", data);
- return -EINVAL;
- }
-
- _nbu2ss_bitset(&udc->p_regs->EPCTR, PLL_RESUME);
-
- for (i = 0; i < EPC_PLL_LOCK_COUNT; i++) {
- data = _nbu2ss_readl(&udc->p_regs->EPCTR);
-
- if (data & PLL_LOCK)
- break;
- }
-
- _nbu2ss_bitclr(&udc->p_regs->EPCTR, PLL_RESUME);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_gad_set_selfpowered(struct usb_gadget *pgadget,
- int is_selfpowered)
-{
- struct nbu2ss_udc *udc;
- unsigned long flags;
-
- if (!pgadget) {
- pr_err("%s, bad param\n", __func__);
- return -EINVAL;
- }
-
- udc = container_of(pgadget, struct nbu2ss_udc, gadget);
-
- spin_lock_irqsave(&udc->lock, flags);
- pgadget->is_selfpowered = (is_selfpowered != 0);
- spin_unlock_irqrestore(&udc->lock, flags);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_gad_vbus_session(struct usb_gadget *pgadget, int is_active)
-{
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_gad_vbus_draw(struct usb_gadget *pgadget, unsigned int mA)
-{
- struct nbu2ss_udc *udc;
- unsigned long flags;
-
- if (!pgadget) {
- pr_err("%s, bad param\n", __func__);
- return -EINVAL;
- }
-
- udc = container_of(pgadget, struct nbu2ss_udc, gadget);
-
- spin_lock_irqsave(&udc->lock, flags);
- udc->mA = mA;
- spin_unlock_irqrestore(&udc->lock, flags);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_gad_pullup(struct usb_gadget *pgadget, int is_on)
-{
- struct nbu2ss_udc *udc;
- unsigned long flags;
-
- if (!pgadget) {
- pr_err("%s, bad param\n", __func__);
- return -EINVAL;
- }
-
- udc = container_of(pgadget, struct nbu2ss_udc, gadget);
-
- if (!udc->driver) {
- pr_warn("%s, Not Regist Driver\n", __func__);
- return -EINVAL;
- }
-
- if (udc->vbus_active == 0)
- return -ESHUTDOWN;
-
- spin_lock_irqsave(&udc->lock, flags);
- _nbu2ss_pullup(udc, is_on);
- spin_unlock_irqrestore(&udc->lock, flags);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_gad_ioctl(struct usb_gadget *pgadget,
- unsigned int code, unsigned long param)
-{
- return 0;
-}
-
-static const struct usb_gadget_ops nbu2ss_gadget_ops = {
- .get_frame = nbu2ss_gad_get_frame,
- .wakeup = nbu2ss_gad_wakeup,
- .set_selfpowered = nbu2ss_gad_set_selfpowered,
- .vbus_session = nbu2ss_gad_vbus_session,
- .vbus_draw = nbu2ss_gad_vbus_draw,
- .pullup = nbu2ss_gad_pullup,
- .ioctl = nbu2ss_gad_ioctl,
-};
-
-static const struct {
- const char *name;
- const struct usb_ep_caps caps;
-} ep_info[NUM_ENDPOINTS] = {
-#define EP_INFO(_name, _caps) \
- { \
- .name = _name, \
- .caps = _caps, \
- }
-
- EP_INFO("ep0",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)),
- EP_INFO("ep1-bulk",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_ALL)),
- EP_INFO("ep2-bulk",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_ALL)),
- EP_INFO("ep3in-int",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)),
- EP_INFO("ep4-iso",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_ALL)),
- EP_INFO("ep5-iso",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_ALL)),
- EP_INFO("ep6-bulk",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_ALL)),
- EP_INFO("ep7-bulk",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_ALL)),
- EP_INFO("ep8in-int",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)),
- EP_INFO("ep9-iso",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_ALL)),
- EP_INFO("epa-iso",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_ALL)),
- EP_INFO("epb-bulk",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_ALL)),
- EP_INFO("epc-bulk",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_ALL)),
- EP_INFO("epdin-int",
- USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)),
-
-#undef EP_INFO
-};
-
-/*-------------------------------------------------------------------------*/
-static void nbu2ss_drv_ep_init(struct nbu2ss_udc *udc)
-{
- int i;
-
- INIT_LIST_HEAD(&udc->gadget.ep_list);
- udc->gadget.ep0 = &udc->ep[0].ep;
-
- for (i = 0; i < NUM_ENDPOINTS; i++) {
- struct nbu2ss_ep *ep = &udc->ep[i];
-
- ep->udc = udc;
- ep->desc = NULL;
-
- ep->ep.driver_data = NULL;
- ep->ep.name = ep_info[i].name;
- ep->ep.caps = ep_info[i].caps;
- ep->ep.ops = &nbu2ss_ep_ops;
-
- usb_ep_set_maxpacket_limit(&ep->ep,
- i == 0 ? EP0_PACKETSIZE
- : EP_PACKETSIZE);
-
- list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list);
- INIT_LIST_HEAD(&ep->queue);
- }
-
- list_del_init(&udc->ep[0].ep.ep_list);
-}
-
-/*-------------------------------------------------------------------------*/
-/* platform_driver */
-static int nbu2ss_drv_contest_init(struct platform_device *pdev,
- struct nbu2ss_udc *udc)
-{
- spin_lock_init(&udc->lock);
- udc->dev = &pdev->dev;
-
- udc->gadget.is_selfpowered = 1;
- udc->devstate = USB_STATE_NOTATTACHED;
- udc->pdev = pdev;
- udc->mA = 0;
-
- udc->pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
-
- /* init Endpoint */
- nbu2ss_drv_ep_init(udc);
-
- /* init Gadget */
- udc->gadget.ops = &nbu2ss_gadget_ops;
- udc->gadget.ep0 = &udc->ep[0].ep;
- udc->gadget.speed = USB_SPEED_UNKNOWN;
- udc->gadget.name = driver_name;
- /* udc->gadget.is_dualspeed = 1; */
-
- device_initialize(&udc->gadget.dev);
-
- dev_set_name(&udc->gadget.dev, "gadget");
- udc->gadget.dev.parent = &pdev->dev;
- udc->gadget.dev.dma_mask = pdev->dev.dma_mask;
-
- return 0;
-}
-
-/*
- * probe - binds to the platform device
- */
-static int nbu2ss_drv_probe(struct platform_device *pdev)
-{
- int status;
- struct nbu2ss_udc *udc;
- int irq;
- void __iomem *mmio_base;
-
- udc = &udc_controller;
- memset(udc, 0, sizeof(struct nbu2ss_udc));
-
- platform_set_drvdata(pdev, udc);
-
- /* require I/O memory and IRQ to be provided as resources */
- mmio_base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(mmio_base))
- return PTR_ERR(mmio_base);
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
- status = devm_request_irq(&pdev->dev, irq, _nbu2ss_udc_irq,
- 0, driver_name, udc);
-
- /* IO Memory */
- udc->p_regs = (struct fc_regs __iomem *)mmio_base;
-
- /* USB Function Controller Interrupt */
- if (status != 0) {
- dev_err(udc->dev, "request_irq(USB_UDC_IRQ_1) failed\n");
- return status;
- }
-
- /* Driver Initialization */
- status = nbu2ss_drv_contest_init(pdev, udc);
- if (status < 0) {
- /* Error */
- return status;
- }
-
- /* VBUS Interrupt */
- vbus_irq = gpiod_to_irq(vbus_gpio);
- irq_set_irq_type(vbus_irq, IRQ_TYPE_EDGE_BOTH);
- status = request_irq(vbus_irq,
- _nbu2ss_vbus_irq, IRQF_SHARED, driver_name, udc);
-
- if (status != 0) {
- dev_err(udc->dev, "request_irq(vbus_irq) failed\n");
- return status;
- }
-
- return status;
-}
-
-/*-------------------------------------------------------------------------*/
-static void nbu2ss_drv_shutdown(struct platform_device *pdev)
-{
- struct nbu2ss_udc *udc;
-
- udc = platform_get_drvdata(pdev);
- if (!udc)
- return;
-
- _nbu2ss_disable_controller(udc);
-}
-
-/*-------------------------------------------------------------------------*/
-static void nbu2ss_drv_remove(struct platform_device *pdev)
-{
- struct nbu2ss_udc *udc;
- struct nbu2ss_ep *ep;
- int i;
-
- udc = &udc_controller;
-
- for (i = 0; i < NUM_ENDPOINTS; i++) {
- ep = &udc->ep[i];
- if (ep->virt_buf)
- dma_free_coherent(udc->dev, PAGE_SIZE, (void *)ep->virt_buf,
- ep->phys_buf);
- }
-
- /* Interrupt Handler - Release */
- free_irq(vbus_irq, udc);
-}
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_drv_suspend(struct platform_device *pdev, pm_message_t state)
-{
- struct nbu2ss_udc *udc;
-
- udc = platform_get_drvdata(pdev);
- if (!udc)
- return 0;
-
- if (udc->vbus_active) {
- udc->vbus_active = 0;
- udc->devstate = USB_STATE_NOTATTACHED;
- udc->linux_suspended = 1;
-
- if (udc->usb_suspended) {
- udc->usb_suspended = 0;
- _nbu2ss_reset_controller(udc);
- }
-
- _nbu2ss_quiesce(udc);
- }
- _nbu2ss_disable_controller(udc);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-static int nbu2ss_drv_resume(struct platform_device *pdev)
-{
- u32 data;
- struct nbu2ss_udc *udc;
-
- udc = platform_get_drvdata(pdev);
- if (!udc)
- return 0;
-
- data = gpiod_get_value(vbus_gpio);
- if (data) {
- udc->vbus_active = 1;
- udc->devstate = USB_STATE_POWERED;
- _nbu2ss_enable_controller(udc);
- _nbu2ss_pullup(udc, 1);
- }
-
- udc->linux_suspended = 0;
-
- return 0;
-}
-
-static struct platform_driver udc_driver = {
- .probe = nbu2ss_drv_probe,
- .shutdown = nbu2ss_drv_shutdown,
- .remove_new = nbu2ss_drv_remove,
- .suspend = nbu2ss_drv_suspend,
- .resume = nbu2ss_drv_resume,
- .driver = {
- .name = driver_name,
- },
-};
-
-module_platform_driver(udc_driver);
-
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_AUTHOR("Renesas Electronics Corporation");
-MODULE_LICENSE("GPL");
diff --git a/drivers/staging/emxx_udc/emxx_udc.h b/drivers/staging/emxx_udc/emxx_udc.h
deleted file mode 100644
index c9e37a1b8139c..0000000000000
--- a/drivers/staging/emxx_udc/emxx_udc.h
+++ /dev/null
@@ -1,554 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * EMXX FCD (Function Controller Driver) for USB.
- *
- * Copyright (C) 2010 Renesas Electronics Corporation
- */
-
-#ifndef _LINUX_EMXX_H
-#define _LINUX_EMXX_H
-
-/*---------------------------------------------------------------------------*/
-
-/*----------------- Default define */
-#define USE_DMA 1
-#define USE_SUSPEND_WAIT 1
-
-/*------------ Board dependence(Resource) */
-#define VBUS_VALUE GPIO_VBUS
-
-/* below hacked up for staging integration */
-#define GPIO_VBUS 0 /* GPIO_P153 on KZM9D */
-#define INT_VBUS 0 /* IRQ for GPIO_P153 */
-
-/*------------ Board dependence(Wait) */
-
-/* CHATTERING wait time ms */
-#define VBUS_CHATTERING_MDELAY 1
-/* DMA Abort wait time ms */
-#define DMA_DISABLE_TIME 10
-
-/*------------ Controller dependence */
-#define NUM_ENDPOINTS 14 /* Endpoint */
-#define REG_EP_NUM 15 /* Endpoint Register */
-#define DMA_MAX_COUNT 256 /* DMA Block */
-
-#define EPC_RST_DISABLE_TIME 1 /* 1 usec */
-#define EPC_DIRPD_DISABLE_TIME 1 /* 1 msec */
-#define EPC_PLL_LOCK_COUNT 1000 /* 1000 */
-#define IN_DATA_EMPTY_COUNT 1000 /* 1000 */
-
-#define CHATGER_TIME 700 /* 700msec */
-#define USB_SUSPEND_TIME 2000 /* 2 sec */
-
-/* U2F FLAG */
-#define U2F_ENABLE 1
-#define U2F_DISABLE 0
-
-#define TEST_FORCE_ENABLE (BIT(18) | BIT(16))
-
-#define INT_SEL BIT(10)
-#define CONSTFS BIT(9)
-#define SOF_RCV BIT(8)
-#define RSUM_IN BIT(7)
-#define SUSPEND BIT(6)
-#define CONF BIT(5)
-#define DEFAULT BIT(4)
-#define CONNECTB BIT(3)
-#define PUE2 BIT(2)
-
-#define MAX_TEST_MODE_NUM 0x05
-#define TEST_MODE_SHIFT 16
-
-/*------- (0x0004) USB Status Register */
-#define SPEED_MODE BIT(6)
-#define HIGH_SPEED BIT(6)
-
-#define CONF BIT(5)
-#define DEFAULT BIT(4)
-#define USB_RST BIT(3)
-#define SPND_OUT BIT(2)
-#define RSUM_OUT BIT(1)
-
-/*------- (0x0008) USB Address Register */
-#define USB_ADDR 0x007F0000
-#define SOF_STATUS BIT(15)
-#define UFRAME (BIT(14) | BIT(13) | BIT(12))
-#define FRAME 0x000007FF
-
-#define USB_ADRS_SHIFT 16
-
-/*------- (0x000C) UTMI Characteristic 1 Register */
-#define SQUSET (BIT(7) | BIT(6) | BIT(5) | BIT(4))
-
-#define USB_SQUSET (BIT(6) | BIT(5) | BIT(4))
-
-/*------- (0x0010) TEST Control Register */
-#define FORCEHS BIT(2)
-#define CS_TESTMODEEN BIT(1)
-#define LOOPBACK BIT(0)
-
-/*------- (0x0018) Setup Data 0 Register */
-/*------- (0x001C) Setup Data 1 Register */
-
-/*------- (0x0020) USB Interrupt Status Register */
-#define EPN_INT 0x00FFFF00
-#define EP15_INT BIT(23)
-#define EP14_INT BIT(22)
-#define EP13_INT BIT(21)
-#define EP12_INT BIT(20)
-#define EP11_INT BIT(19)
-#define EP10_INT BIT(18)
-#define EP9_INT BIT(17)
-#define EP8_INT BIT(16)
-#define EP7_INT BIT(15)
-#define EP6_INT BIT(14)
-#define EP5_INT BIT(13)
-#define EP4_INT BIT(12)
-#define EP3_INT BIT(11)
-#define EP2_INT BIT(10)
-#define EP1_INT BIT(9)
-#define EP0_INT BIT(8)
-#define SPEED_MODE_INT BIT(6)
-#define SOF_ERROR_INT BIT(5)
-#define SOF_INT BIT(4)
-#define USB_RST_INT BIT(3)
-#define SPND_INT BIT(2)
-#define RSUM_INT BIT(1)
-
-#define USB_INT_STA_RW 0x7E
-
-/*------- (0x0024) USB Interrupt Enable Register */
-#define EP15_0_EN 0x00FFFF00
-#define EP15_EN BIT(23)
-#define EP14_EN BIT(22)
-#define EP13_EN BIT(21)
-#define EP12_EN BIT(20)
-#define EP11_EN BIT(19)
-#define EP10_EN BIT(18)
-#define EP9_EN BIT(17)
-#define EP8_EN BIT(16)
-#define EP7_EN BIT(15)
-#define EP6_EN BIT(14)
-#define EP5_EN BIT(13)
-#define EP4_EN BIT(12)
-#define EP3_EN BIT(11)
-#define EP2_EN BIT(10)
-#define EP1_EN BIT(9)
-#define EP0_EN BIT(8)
-#define SPEED_MODE_EN BIT(6)
-#define SOF_ERROR_EN BIT(5)
-#define SOF_EN BIT(4)
-#define USB_RST_EN BIT(3)
-#define SPND_EN BIT(2)
-#define RSUM_EN BIT(1)
-
-#define USB_INT_EN_BIT \
- (EP0_EN | SPEED_MODE_EN | USB_RST_EN | SPND_EN | RSUM_EN)
-
-/*------- (0x0028) EP0 Control Register */
-#define EP0_STGSEL BIT(18)
-#define EP0_OVERSEL BIT(17)
-#define EP0_AUTO BIT(16)
-#define EP0_PIDCLR BIT(9)
-#define EP0_BCLR BIT(8)
-#define EP0_DEND BIT(7)
-#define EP0_DW (BIT(6) | BIT(5))
-#define EP0_DW4 0
-#define EP0_DW3 (BIT(6) | BIT(5))
-#define EP0_DW2 BIT(6)
-#define EP0_DW1 BIT(5)
-
-#define EP0_INAK_EN BIT(4)
-#define EP0_PERR_NAK_CLR BIT(3)
-#define EP0_STL BIT(2)
-#define EP0_INAK BIT(1)
-#define EP0_ONAK BIT(0)
-
-/*------- (0x002C) EP0 Status Register */
-#define EP0_PID BIT(18)
-#define EP0_PERR_NAK BIT(17)
-#define EP0_PERR_NAK_INT BIT(16)
-#define EP0_OUT_NAK_INT BIT(15)
-#define EP0_OUT_NULL BIT(14)
-#define EP0_OUT_FULL BIT(13)
-#define EP0_OUT_EMPTY BIT(12)
-#define EP0_IN_NAK_INT BIT(11)
-#define EP0_IN_DATA BIT(10)
-#define EP0_IN_FULL BIT(9)
-#define EP0_IN_EMPTY BIT(8)
-#define EP0_OUT_NULL_INT BIT(7)
-#define EP0_OUT_OR_INT BIT(6)
-#define EP0_OUT_INT BIT(5)
-#define EP0_IN_INT BIT(4)
-#define EP0_STALL_INT BIT(3)
-#define STG_END_INT BIT(2)
-#define STG_START_INT BIT(1)
-#define SETUP_INT BIT(0)
-
-#define EP0_STATUS_RW_BIT (BIT(16) | BIT(15) | BIT(11) | 0xFF)
-
-/*------- (0x0030) EP0 Interrupt Enable Register */
-#define EP0_PERR_NAK_EN BIT(16)
-#define EP0_OUT_NAK_EN BIT(15)
-
-#define EP0_IN_NAK_EN BIT(11)
-
-#define EP0_OUT_NULL_EN BIT(7)
-#define EP0_OUT_OR_EN BIT(6)
-#define EP0_OUT_EN BIT(5)
-#define EP0_IN_EN BIT(4)
-#define EP0_STALL_EN BIT(3)
-#define STG_END_EN BIT(2)
-#define STG_START_EN BIT(1)
-#define SETUP_EN BIT(0)
-
-#define EP0_INT_EN_BIT \
- (EP0_OUT_OR_EN | EP0_OUT_EN | EP0_IN_EN | STG_END_EN | SETUP_EN)
-
-/*------- (0x0034) EP0 Length Register */
-#define EP0_LDATA 0x0000007F
-
-/*------- (0x0038) EP0 Read Register */
-/*------- (0x003C) EP0 Write Register */
-
-/*------- (0x0040:) EPN Control Register */
-#define EPN_EN BIT(31)
-#define EPN_BUF_TYPE BIT(30)
-#define EPN_BUF_SINGLE BIT(30)
-
-#define EPN_DIR0 BIT(26)
-#define EPN_MODE (BIT(25) | BIT(24))
-#define EPN_BULK 0
-#define EPN_INTERRUPT BIT(24)
-#define EPN_ISO BIT(25)
-
-#define EPN_OVERSEL BIT(17)
-#define EPN_AUTO BIT(16)
-
-#define EPN_IPIDCLR BIT(11)
-#define EPN_OPIDCLR BIT(10)
-#define EPN_BCLR BIT(9)
-#define EPN_CBCLR BIT(8)
-#define EPN_DEND BIT(7)
-#define EPN_DW (BIT(6) | BIT(5))
-#define EPN_DW4 0
-#define EPN_DW3 (BIT(6) | BIT(5))
-#define EPN_DW2 BIT(6)
-#define EPN_DW1 BIT(5)
-
-#define EPN_OSTL_EN BIT(4)
-#define EPN_ISTL BIT(3)
-#define EPN_OSTL BIT(2)
-
-#define EPN_ONAK BIT(0)
-
-/*------- (0x0044:) EPN Status Register */
-#define EPN_ISO_PIDERR BIT(29) /* R */
-#define EPN_OPID BIT(28) /* R */
-#define EPN_OUT_NOTKN BIT(27) /* R */
-#define EPN_ISO_OR BIT(26) /* R */
-
-#define EPN_ISO_CRC BIT(24) /* R */
-#define EPN_OUT_END_INT BIT(23) /* RW */
-#define EPN_OUT_OR_INT BIT(22) /* RW */
-#define EPN_OUT_NAK_ERR_INT BIT(21) /* RW */
-#define EPN_OUT_STALL_INT BIT(20) /* RW */
-#define EPN_OUT_INT BIT(19) /* RW */
-#define EPN_OUT_NULL_INT BIT(18) /* RW */
-#define EPN_OUT_FULL BIT(17) /* R */
-#define EPN_OUT_EMPTY BIT(16) /* R */
-
-#define EPN_IPID BIT(10) /* R */
-#define EPN_IN_NOTKN BIT(9) /* R */
-#define EPN_ISO_UR BIT(8) /* R */
-#define EPN_IN_END_INT BIT(7) /* RW */
-
-#define EPN_IN_NAK_ERR_INT BIT(5) /* RW */
-#define EPN_IN_STALL_INT BIT(4) /* RW */
-#define EPN_IN_INT BIT(3) /* RW */
-#define EPN_IN_DATA BIT(2) /* R */
-#define EPN_IN_FULL BIT(1) /* R */
-#define EPN_IN_EMPTY BIT(0) /* R */
-
-#define EPN_INT_EN \
- (EPN_OUT_END_INT | EPN_OUT_INT | EPN_IN_END_INT | EPN_IN_INT)
-
-/*------- (0x0048:) EPN Interrupt Enable Register */
-#define EPN_OUT_END_EN BIT(23) /* RW */
-#define EPN_OUT_OR_EN BIT(22) /* RW */
-#define EPN_OUT_NAK_ERR_EN BIT(21) /* RW */
-#define EPN_OUT_STALL_EN BIT(20) /* RW */
-#define EPN_OUT_EN BIT(19) /* RW */
-#define EPN_OUT_NULL_EN BIT(18) /* RW */
-
-#define EPN_IN_END_EN BIT(7) /* RW */
-
-#define EPN_IN_NAK_ERR_EN BIT(5) /* RW */
-#define EPN_IN_STALL_EN BIT(4) /* RW */
-#define EPN_IN_EN BIT(3) /* RW */
-
-/*------- (0x004C:) EPN Interrupt Enable Register */
-#define EPN_STOP_MODE BIT(11)
-#define EPN_DEND_SET BIT(10)
-#define EPN_BURST_SET BIT(9)
-#define EPN_STOP_SET BIT(8)
-
-#define EPN_DMA_EN BIT(4)
-
-#define EPN_DMAMODE0 BIT(0)
-
-/*------- (0x0050:) EPN MaxPacket & BaseAddress Register */
-#define EPN_BASEAD 0x1FFF0000
-#define EPN_MPKT 0x000007FF
-
-/*------- (0x0054:) EPN Length & DMA Count Register */
-#define EPN_DMACNT 0x01FF0000
-#define EPN_LDATA 0x000007FF
-
-/*------- (0x0058:) EPN Read Register */
-/*------- (0x005C:) EPN Write Register */
-
-/*------- (0x1000) AHBSCTR Register */
-#define WAIT_MODE BIT(0)
-
-/*------- (0x1004) AHBMCTR Register */
-#define ARBITER_CTR BIT(31) /* RW */
-#define MCYCLE_RST BIT(12) /* RW */
-
-#define ENDIAN_CTR (BIT(9) | BIT(8)) /* RW */
-#define ENDIAN_BYTE_SWAP BIT(9)
-#define ENDIAN_HALF_WORD_SWAP ENDIAN_CTR
-
-#define HBUSREQ_MODE BIT(5) /* RW */
-#define HTRANS_MODE BIT(4) /* RW */
-
-#define WBURST_TYPE BIT(2) /* RW */
-#define BURST_TYPE (BIT(1) | BIT(0)) /* RW */
-#define BURST_MAX_16 0
-#define BURST_MAX_8 BIT(0)
-#define BURST_MAX_4 BIT(1)
-#define BURST_SINGLE BURST_TYPE
-
-/*------- (0x1008) AHBBINT Register */
-#define DMA_ENDINT 0xFFFE0000 /* RW */
-
-#define AHB_VBUS_INT BIT(13) /* RW */
-
-#define MBUS_ERRINT BIT(6) /* RW */
-
-#define SBUS_ERRINT0 BIT(4) /* RW */
-#define ERR_MASTER 0x0000000F /* R */
-
-/*------- (0x100C) AHBBINTEN Register */
-#define DMA_ENDINTEN 0xFFFE0000 /* RW */
-
-#define VBUS_INTEN BIT(13) /* RW */
-
-#define MBUS_ERRINTEN BIT(6) /* RW */
-
-#define SBUS_ERRINT0EN BIT(4) /* RW */
-
-/*------- (0x1010) EPCTR Register */
-#define DIRPD BIT(12) /* RW */
-
-#define VBUS_LEVEL BIT(8) /* R */
-
-#define PLL_RESUME BIT(5) /* RW */
-#define PLL_LOCK BIT(4) /* R */
-
-#define EPC_RST BIT(0) /* RW */
-
-/*------- (0x1014) USBF_EPTEST Register */
-#define LINESTATE (BIT(9) | BIT(8)) /* R */
-#define DM_LEVEL BIT(9) /* R */
-#define DP_LEVEL BIT(8) /* R */
-
-#define PHY_TST BIT(1) /* RW */
-#define PHY_TSTCLK BIT(0) /* RW */
-
-/*------- (0x1020) USBSSVER Register */
-#define AHBB_VER 0x00FF0000 /* R */
-#define EPC_VER 0x0000FF00 /* R */
-#define SS_VER 0x000000FF /* R */
-
-/*------- (0x1024) USBSSCONF Register */
-#define EP_AVAILABLE 0xFFFF0000 /* R */
-#define DMA_AVAILABLE 0x0000FFFF /* R */
-
-/*------- (0x1110:) EPNDCR1 Register */
-#define DCR1_EPN_DMACNT 0x00FF0000 /* RW */
-
-#define DCR1_EPN_DIR0 BIT(1) /* RW */
-#define DCR1_EPN_REQEN BIT(0) /* RW */
-
-/*------- (0x1114:) EPNDCR2 Register */
-#define DCR2_EPN_LMPKT 0x07FF0000 /* RW */
-
-#define DCR2_EPN_MPKT 0x000007FF /* RW */
-
-/*------- (0x1118:) EPNTADR Register */
-#define EPN_TADR 0xFFFFFFFF /* RW */
-
-/*===========================================================================*/
-/* Struct */
-/*------- ep_regs */
-struct ep_regs {
- u32 EP_CONTROL; /* EP Control */
- u32 EP_STATUS; /* EP Status */
- u32 EP_INT_ENA; /* EP Interrupt Enable */
- u32 EP_DMA_CTRL; /* EP DMA Control */
- u32 EP_PCKT_ADRS; /* EP Maxpacket & BaseAddress */
- u32 EP_LEN_DCNT; /* EP Length & DMA count */
- u32 EP_READ; /* EP Read */
- u32 EP_WRITE; /* EP Write */
-};
-
-/*------- ep_dcr */
-struct ep_dcr {
- u32 EP_DCR1; /* EP_DCR1 */
- u32 EP_DCR2; /* EP_DCR2 */
- u32 EP_TADR; /* EP_TADR */
- u32 Reserved; /* Reserved */
-};
-
-/*------- Function Registers */
-struct fc_regs {
- u32 USB_CONTROL; /* (0x0000) USB Control */
- u32 USB_STATUS; /* (0x0004) USB Status */
- u32 USB_ADDRESS; /* (0x0008) USB Address */
- u32 UTMI_CHARACTER_1; /* (0x000C) UTMI Setting */
- u32 TEST_CONTROL; /* (0x0010) TEST Control */
- u32 reserved_14; /* (0x0014) Reserved */
- u32 SETUP_DATA0; /* (0x0018) Setup Data0 */
- u32 SETUP_DATA1; /* (0x001C) Setup Data1 */
- u32 USB_INT_STA; /* (0x0020) USB Interrupt Status */
- u32 USB_INT_ENA; /* (0x0024) USB Interrupt Enable */
- u32 EP0_CONTROL; /* (0x0028) EP0 Control */
- u32 EP0_STATUS; /* (0x002C) EP0 Status */
- u32 EP0_INT_ENA; /* (0x0030) EP0 Interrupt Enable */
- u32 EP0_LENGTH; /* (0x0034) EP0 Length */
- u32 EP0_READ; /* (0x0038) EP0 Read */
- u32 EP0_WRITE; /* (0x003C) EP0 Write */
-
- struct ep_regs EP_REGS[REG_EP_NUM]; /* Endpoint Register */
-
- u8 reserved_220[0x1000 - 0x220]; /* (0x0220:0x0FFF) Reserved */
-
- u32 AHBSCTR; /* (0x1000) AHBSCTR */
- u32 AHBMCTR; /* (0x1004) AHBMCTR */
- u32 AHBBINT; /* (0x1008) AHBBINT */
- u32 AHBBINTEN; /* (0x100C) AHBBINTEN */
- u32 EPCTR; /* (0x1010) EPCTR */
- u32 USBF_EPTEST; /* (0x1014) USBF_EPTEST */
-
- u8 reserved_1018[0x20 - 0x18]; /* (0x1018:0x101F) Reserved */
-
- u32 USBSSVER; /* (0x1020) USBSSVER */
- u32 USBSSCONF; /* (0x1024) USBSSCONF */
-
- u8 reserved_1028[0x110 - 0x28]; /* (0x1028:0x110F) Reserved */
-
- struct ep_dcr EP_DCR[REG_EP_NUM]; /* */
-
- u8 reserved_1200[0x1000 - 0x200]; /* Reserved */
-} __aligned(32);
-
-#define EP0_PACKETSIZE 64
-#define EP_PACKETSIZE 1024
-
-/* EPN RAM SIZE */
-#define D_RAM_SIZE_CTRL 64
-
-/* EPN Bulk Endpoint Max Packet Size */
-#define D_FS_RAM_SIZE_BULK 64
-#define D_HS_RAM_SIZE_BULK 512
-
-struct nbu2ss_udc;
-
-enum ep0_state {
- EP0_IDLE,
- EP0_IN_DATA_PHASE,
- EP0_OUT_DATA_PHASE,
- EP0_IN_STATUS_PHASE,
- EP0_OUT_STATUS_PAHSE,
- EP0_END_XFER,
- EP0_SUSPEND,
- EP0_STALL,
-};
-
-struct nbu2ss_req {
- struct usb_request req;
- struct list_head queue;
-
- u32 div_len;
- bool dma_flag;
- bool zero;
-
- bool unaligned;
-
- unsigned mapped:1;
-};
-
-struct nbu2ss_ep {
- struct usb_ep ep;
- struct list_head queue;
-
- struct nbu2ss_udc *udc;
-
- const struct usb_endpoint_descriptor *desc;
-
- u8 epnum;
- u8 direct;
- u8 ep_type;
-
- unsigned wedged:1;
- unsigned halted:1;
- unsigned stalled:1;
-
- u8 *virt_buf;
- dma_addr_t phys_buf;
-};
-
-struct nbu2ss_udc {
- struct usb_gadget gadget;
- struct usb_gadget_driver *driver;
- struct platform_device *pdev;
- struct device *dev;
- spinlock_t lock; /* Protects nbu2ss_udc structure fields */
- struct completion *pdone;
-
- enum ep0_state ep0state;
- enum usb_device_state devstate;
- struct usb_ctrlrequest ctrl;
- struct nbu2ss_req ep0_req;
- u8 ep0_buf[EP0_PACKETSIZE];
-
- struct nbu2ss_ep ep[NUM_ENDPOINTS];
-
- unsigned softconnect:1;
- unsigned vbus_active:1;
- unsigned linux_suspended:1;
- unsigned linux_resume:1;
- unsigned usb_suspended:1;
- unsigned remote_wakeup:1;
- unsigned udc_enabled:1;
-
- unsigned int mA;
-
- u32 curr_config; /* Current Configuration Number */
-
- struct fc_regs __iomem *p_regs;
-};
-
-/* USB register access structure */
-union usb_reg_access {
- struct {
- unsigned char DATA[4];
- } byte;
- unsigned int dw;
-};
-
-/*-------------------------------------------------------------------------*/
-
-#endif /* _LINUX_EMXX_H */
--
GitLab
From cc13301acc39f04a8de0a58e6915731829f5e436 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 22 Jan 2024 15:24:31 +0100
Subject: [PATCH 0118/2686] staging: board: Remove KZM9D board staging code
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
With the EMMA Mobile USB Gadget staging driver removed, there is no
longer any use for the EMEV2 KZM9D board staging code.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Link: https://lore.kernel.org/r/f54fe56524e0266a3c705315f04870988912cfcf.1705932585.git.geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/board/Makefile | 1 -
drivers/staging/board/kzm9d.c | 26 --------------------------
2 files changed, 27 deletions(-)
delete mode 100644 drivers/staging/board/kzm9d.c
diff --git a/drivers/staging/board/Makefile b/drivers/staging/board/Makefile
index ed7839752e129..5db091b5ca015 100644
--- a/drivers/staging/board/Makefile
+++ b/drivers/staging/board/Makefile
@@ -1,4 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
obj-y := board.o
-obj-$(CONFIG_ARCH_EMEV2) += kzm9d.o
obj-$(CONFIG_ARCH_R8A7740) += armadillo800eva.o
diff --git a/drivers/staging/board/kzm9d.c b/drivers/staging/board/kzm9d.c
deleted file mode 100644
index d449a837414e6..0000000000000
--- a/drivers/staging/board/kzm9d.c
+++ /dev/null
@@ -1,26 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Staging board support for KZM9D. Enable not-yet-DT-capable devices here. */
-
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include "board.h"
-
-static struct resource usbs1_res[] __initdata = {
- DEFINE_RES_MEM(0xe2800000, 0x2000),
- DEFINE_RES_IRQ(159),
-};
-
-static void __init kzm9d_init(void)
-{
- board_staging_gic_setup_xlate("arm,pl390", 32);
-
- if (!board_staging_dt_node_available(usbs1_res,
- ARRAY_SIZE(usbs1_res))) {
- board_staging_gic_fixup_resources(usbs1_res,
- ARRAY_SIZE(usbs1_res));
- platform_device_register_simple("emxx_udc", -1, usbs1_res,
- ARRAY_SIZE(usbs1_res));
- }
-}
-
-board_staging("renesas,kzm9d", kzm9d_init);
--
GitLab
From f402f7a02af6956d3fd4ce17d6bd08054231f72d Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 22 Jan 2024 15:24:32 +0100
Subject: [PATCH 0119/2686] staging: board: Remove Armadillo-800-EVA board
staging code
Since commits 1399ebacbf590dfb ("drm: renesas: shmobile: Add DT
support"), 138588e9fa237f97 ("ARM: dts: renesas: r8a7740: Add LCDC
nodes"), and c9a0ed13382660c9 ("ARM: dts: renesas: armadillo800eva: Add
LCD panel"), there is no longer any use for the Atmark Techno
Armadillo-800-EVA board staging code.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/6d51e06a8586997b31eecead55a369f01c5696a7.1705932585.git.geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/board/Makefile | 1 -
drivers/staging/board/armadillo800eva.c | 88 -------------------------
2 files changed, 89 deletions(-)
delete mode 100644 drivers/staging/board/armadillo800eva.c
diff --git a/drivers/staging/board/Makefile b/drivers/staging/board/Makefile
index 5db091b5ca015..b6a00c93c2cc1 100644
--- a/drivers/staging/board/Makefile
+++ b/drivers/staging/board/Makefile
@@ -1,3 +1,2 @@
# SPDX-License-Identifier: GPL-2.0
obj-y := board.o
-obj-$(CONFIG_ARCH_R8A7740) += armadillo800eva.o
diff --git a/drivers/staging/board/armadillo800eva.c b/drivers/staging/board/armadillo800eva.c
deleted file mode 100644
index 0225234dd7aa6..0000000000000
--- a/drivers/staging/board/armadillo800eva.c
+++ /dev/null
@@ -1,88 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Staging board support for Armadillo 800 eva.
- * Enable not-yet-DT-capable devices here.
- *
- * Based on board-armadillo800eva.c
- *
- * Copyright (C) 2012 Renesas Solutions Corp.
- * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
- */
-
-#include <linux/dma-mapping.h>
-#include <linux/fb.h>
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/videodev2.h>
-
-#include <video/sh_mobile_lcdc.h>
-
-#include "board.h"
-
-static struct fb_videomode lcdc0_mode = {
- .name = "AMPIER/AM-800480",
- .xres = 800,
- .yres = 480,
- .left_margin = 88,
- .right_margin = 40,
- .hsync_len = 128,
- .upper_margin = 20,
- .lower_margin = 5,
- .vsync_len = 5,
- .sync = 0,
-};
-
-static struct sh_mobile_lcdc_info lcdc0_info = {
- .clock_source = LCDC_CLK_BUS,
- .ch[0] = {
- .chan = LCDC_CHAN_MAINLCD,
- .fourcc = V4L2_PIX_FMT_RGB565,
- .interface_type = RGB24,
- .clock_divider = 5,
- .flags = 0,
- .lcd_modes = &lcdc0_mode,
- .num_modes = 1,
- .panel_cfg = {
- .width = 111,
- .height = 68,
- },
- },
-};
-
-static struct resource lcdc0_resources[] = {
- DEFINE_RES_MEM_NAMED(0xfe940000, 0x4000, "LCD0"),
- DEFINE_RES_IRQ(177 + 32),
-};
-
-static struct platform_device lcdc0_device = {
- .name = "sh_mobile_lcdc_fb",
- .num_resources = ARRAY_SIZE(lcdc0_resources),
- .resource = lcdc0_resources,
- .id = 0,
- .dev = {
- .platform_data = &lcdc0_info,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
-};
-
-static const struct board_staging_clk lcdc0_clocks[] __initconst = {
- { "lcdc0", NULL, "sh_mobile_lcdc_fb.0" },
-};
-
-static const struct board_staging_dev armadillo800eva_devices[] __initconst = {
- {
- .pdev = &lcdc0_device,
- .clocks = lcdc0_clocks,
- .nclocks = ARRAY_SIZE(lcdc0_clocks),
- .domain = "/system-controller@e6180000/pm-domains/c5/a4lc@1"
- },
-};
-
-static void __init armadillo800eva_init(void)
-{
- board_staging_gic_setup_xlate("arm,pl390", 32);
- board_staging_register_devices(armadillo800eva_devices,
- ARRAY_SIZE(armadillo800eva_devices));
-}
-
-board_staging("renesas,armadillo800eva", armadillo800eva_init);
--
GitLab
From ce54e9342124ededf0a00ed4e8a8aee535bfbf00 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 22 Jan 2024 15:24:33 +0100
Subject: [PATCH 0120/2686] staging: Remove board staging code
There are no more users of the board staging code.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/eec1bfb2878237888a8c3bc866d18dc53900739f.1705932585.git.geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/Kconfig | 2 -
drivers/staging/Makefile | 1 -
drivers/staging/board/Kconfig | 12 --
drivers/staging/board/Makefile | 2 -
drivers/staging/board/TODO | 2 -
drivers/staging/board/board.c | 204 ---------------------------------
drivers/staging/board/board.h | 46 --------
7 files changed, 269 deletions(-)
delete mode 100644 drivers/staging/board/Kconfig
delete mode 100644 drivers/staging/board/Makefile
delete mode 100644 drivers/staging/board/TODO
delete mode 100644 drivers/staging/board/board.c
delete mode 100644 drivers/staging/board/board.h
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index b8f777036bb22..5175b1c4f1619 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -50,8 +50,6 @@ source "drivers/staging/nvec/Kconfig"
source "drivers/staging/media/Kconfig"
-source "drivers/staging/board/Kconfig"
-
source "drivers/staging/gdm724x/Kconfig"
source "drivers/staging/fbtft/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 5bf357782d837..67399c0ad8719 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -15,7 +15,6 @@ obj-$(CONFIG_VME_BUS) += vme_user/
obj-$(CONFIG_IIO) += iio/
obj-$(CONFIG_FB_SM750) += sm750fb/
obj-$(CONFIG_MFD_NVEC) += nvec/
-obj-$(CONFIG_STAGING_BOARD) += board/
obj-$(CONFIG_LTE_GDM724X) += gdm724x/
obj-$(CONFIG_FB_TFT) += fbtft/
obj-$(CONFIG_MOST) += most/
diff --git a/drivers/staging/board/Kconfig b/drivers/staging/board/Kconfig
deleted file mode 100644
index b49216768ef69..0000000000000
--- a/drivers/staging/board/Kconfig
+++ /dev/null
@@ -1,12 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-config STAGING_BOARD
- bool "Staging Board Support"
- depends on OF_ADDRESS && OF_IRQ && HAVE_CLK
- help
- Staging board base is to support continuous upstream
- in-tree development and integration of platform devices.
-
- Helps developers integrate devices as platform devices for
- device drivers that only provide platform device bindings.
- This in turn allows for incremental development of both
- hardware feature support and DT binding work in parallel.
diff --git a/drivers/staging/board/Makefile b/drivers/staging/board/Makefile
deleted file mode 100644
index b6a00c93c2cc1..0000000000000
--- a/drivers/staging/board/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-obj-y := board.o
diff --git a/drivers/staging/board/TODO b/drivers/staging/board/TODO
deleted file mode 100644
index 8db70e10aa674..0000000000000
--- a/drivers/staging/board/TODO
+++ /dev/null
@@ -1,2 +0,0 @@
-* replace platform device code with DT nodes once the driver supports DT
-* remove staging board code when no more platform devices are needed
diff --git a/drivers/staging/board/board.c b/drivers/staging/board/board.c
deleted file mode 100644
index f980af0373452..0000000000000
--- a/drivers/staging/board/board.c
+++ /dev/null
@@ -1,204 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2014 Magnus Damm
- * Copyright (C) 2015 Glider bvba
- */
-
-#define pr_fmt(fmt) "board_staging: " fmt
-
-#include <linux/clkdev.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-
-#include "board.h"
-
-static struct device_node *irqc_node __initdata;
-static unsigned int irqc_base __initdata;
-
-static bool find_by_address(u64 base_address)
-{
- struct device_node *dn = of_find_all_nodes(NULL);
- struct resource res;
-
- while (dn) {
- if (!of_address_to_resource(dn, 0, &res)) {
- if (res.start == base_address) {
- of_node_put(dn);
- return true;
- }
- }
- dn = of_find_all_nodes(dn);
- }
-
- return false;
-}
-
-bool __init board_staging_dt_node_available(const struct resource *resource,
- unsigned int num_resources)
-{
- unsigned int i;
-
- for (i = 0; i < num_resources; i++) {
- const struct resource *r = resource + i;
-
- if (resource_type(r) == IORESOURCE_MEM)
- if (find_by_address(r->start))
- return true; /* DT node available */
- }
-
- return false; /* Nothing found */
-}
-
-int __init board_staging_gic_setup_xlate(const char *gic_match,
- unsigned int base)
-{
- WARN_ON(irqc_node);
-
- irqc_node = of_find_compatible_node(NULL, NULL, gic_match);
-
- WARN_ON(!irqc_node);
- if (!irqc_node)
- return -ENOENT;
-
- irqc_base = base;
- return 0;
-}
-
-static void __init gic_fixup_resource(struct resource *res)
-{
- struct of_phandle_args irq_data;
- unsigned int hwirq = res->start;
- unsigned int virq;
-
- if (resource_type(res) != IORESOURCE_IRQ || !irqc_node)
- return;
-
- irq_data.np = irqc_node;
- irq_data.args_count = 3;
- irq_data.args[0] = 0;
- irq_data.args[1] = hwirq - irqc_base;
- switch (res->flags &
- (IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE |
- IORESOURCE_IRQ_LOWLEVEL | IORESOURCE_IRQ_HIGHLEVEL)) {
- case IORESOURCE_IRQ_LOWEDGE:
- irq_data.args[2] = IRQ_TYPE_EDGE_FALLING;
- break;
- case IORESOURCE_IRQ_HIGHEDGE:
- irq_data.args[2] = IRQ_TYPE_EDGE_RISING;
- break;
- case IORESOURCE_IRQ_LOWLEVEL:
- irq_data.args[2] = IRQ_TYPE_LEVEL_LOW;
- break;
- case IORESOURCE_IRQ_HIGHLEVEL:
- default:
- irq_data.args[2] = IRQ_TYPE_LEVEL_HIGH;
- break;
- }
-
- virq = irq_create_of_mapping(&irq_data);
- if (WARN_ON(!virq))
- return;
-
- pr_debug("hwirq %u -> virq %u\n", hwirq, virq);
- res->start = virq;
-}
-
-void __init board_staging_gic_fixup_resources(struct resource *res,
- unsigned int nres)
-{
- unsigned int i;
-
- for (i = 0; i < nres; i++)
- gic_fixup_resource(&res[i]);
-}
-
-int __init board_staging_register_clock(const struct board_staging_clk *bsc)
-{
- int error;
-
- pr_debug("Aliasing clock %s for con_id %s dev_id %s\n", bsc->clk,
- bsc->con_id, bsc->dev_id);
- error = clk_add_alias(bsc->con_id, bsc->dev_id, bsc->clk, NULL);
- if (error)
- pr_err("Failed to alias clock %s (%d)\n", bsc->clk, error);
-
- return error;
-}
-
-#ifdef CONFIG_PM_GENERIC_DOMAINS_OF
-static int board_staging_add_dev_domain(struct platform_device *pdev,
- const char *domain)
-{
- struct device *dev = &pdev->dev;
- struct of_phandle_args pd_args;
- struct device_node *np;
-
- np = of_find_node_by_path(domain);
- if (!np) {
- pr_err("Cannot find domain node %s\n", domain);
- return -ENOENT;
- }
-
- pd_args.np = np;
- pd_args.args_count = 0;
-
- /* Initialization similar to device_pm_init_common() */
- spin_lock_init(&dev->power.lock);
- dev->power.early_init = true;
-
- return of_genpd_add_device(&pd_args, dev);
-}
-#else
-static inline int board_staging_add_dev_domain(struct platform_device *pdev,
- const char *domain)
-{
- return 0;
-}
-#endif
-
-int __init board_staging_register_device(const struct board_staging_dev *dev)
-{
- struct platform_device *pdev = dev->pdev;
- unsigned int i;
- int error;
-
- pr_debug("Trying to register device %s\n", pdev->name);
- if (board_staging_dt_node_available(pdev->resource,
- pdev->num_resources)) {
- pr_warn("Skipping %s, already in DT\n", pdev->name);
- return -EEXIST;
- }
-
- board_staging_gic_fixup_resources(pdev->resource, pdev->num_resources);
-
- for (i = 0; i < dev->nclocks; i++)
- board_staging_register_clock(&dev->clocks[i]);
-
- if (dev->domain)
- board_staging_add_dev_domain(pdev, dev->domain);
-
- error = platform_device_register(pdev);
- if (error) {
- pr_err("Failed to register device %s (%d)\n", pdev->name,
- error);
- return error;
- }
-
- return error;
-}
-
-void __init board_staging_register_devices(const struct board_staging_dev *devs,
- unsigned int ndevs)
-{
- unsigned int i;
-
- for (i = 0; i < ndevs; i++)
- board_staging_register_device(&devs[i]);
-}
diff --git a/drivers/staging/board/board.h b/drivers/staging/board/board.h
deleted file mode 100644
index 5609daf4d8695..0000000000000
--- a/drivers/staging/board/board.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __BOARD_H__
-#define __BOARD_H__
-
-#include <linux/init.h>
-#include <linux/of.h>
-
-struct board_staging_clk {
- const char *clk;
- const char *con_id;
- const char *dev_id;
-};
-
-struct board_staging_dev {
- /* Platform Device */
- struct platform_device *pdev;
- /* Clocks (optional) */
- const struct board_staging_clk *clocks;
- unsigned int nclocks;
- /* Generic PM Domain (optional) */
- const char *domain;
-};
-
-struct resource;
-
-bool board_staging_dt_node_available(const struct resource *resource,
- unsigned int num_resources);
-int board_staging_gic_setup_xlate(const char *gic_match, unsigned int base);
-void board_staging_gic_fixup_resources(struct resource *res, unsigned int nres);
-int board_staging_register_clock(const struct board_staging_clk *bsc);
-int board_staging_register_device(const struct board_staging_dev *dev);
-void board_staging_register_devices(const struct board_staging_dev *devs,
- unsigned int ndevs);
-
-#define board_staging(str, fn) \
-static int __init runtime_board_check(void) \
-{ \
- if (of_machine_is_compatible(str)) \
- fn(); \
- \
- return 0; \
-} \
- \
-device_initcall(runtime_board_check)
-
-#endif /* __BOARD_H__ */
--
GitLab
From 40d1bb92a49313b3e0dc5513fdd2578362c40312 Mon Sep 17 00:00:00 2001
From: Jisheng Zhang <jszhang@kernel.org>
Date: Wed, 20 Dec 2023 01:50:44 +0800
Subject: [PATCH 0121/2686] riscv: tlb: convert __p*d_free_tlb() to inline
functions
This is to prepare for enabling MMU_GATHER_RCU_TABLE_FREE.
No functionality changes.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20231219175046.2496-3-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/pgalloc.h | 54 +++++++++++++++++++-------------
1 file changed, 32 insertions(+), 22 deletions(-)
diff --git a/arch/riscv/include/asm/pgalloc.h b/arch/riscv/include/asm/pgalloc.h
index c80bb9990d32e..3c5e3bd15f46e 100644
--- a/arch/riscv/include/asm/pgalloc.h
+++ b/arch/riscv/include/asm/pgalloc.h
@@ -95,13 +95,16 @@ static inline void pud_free(struct mm_struct *mm, pud_t *pud)
__pud_free(mm, pud);
}
-#define __pud_free_tlb(tlb, pud, addr) \
-do { \
- if (pgtable_l4_enabled) { \
- pagetable_pud_dtor(virt_to_ptdesc(pud)); \
- tlb_remove_page_ptdesc((tlb), virt_to_ptdesc(pud)); \
- } \
-} while (0)
+static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud,
+ unsigned long addr)
+{
+ if (pgtable_l4_enabled) {
+ struct ptdesc *ptdesc = virt_to_ptdesc(pud);
+
+ pagetable_pud_dtor(ptdesc);
+ tlb_remove_page_ptdesc(tlb, ptdesc);
+ }
+}
#define p4d_alloc_one p4d_alloc_one
static inline p4d_t *p4d_alloc_one(struct mm_struct *mm, unsigned long addr)
@@ -130,11 +133,12 @@ static inline void p4d_free(struct mm_struct *mm, p4d_t *p4d)
__p4d_free(mm, p4d);
}
-#define __p4d_free_tlb(tlb, p4d, addr) \
-do { \
- if (pgtable_l5_enabled) \
- tlb_remove_page_ptdesc((tlb), virt_to_ptdesc(p4d)); \
-} while (0)
+static inline void __p4d_free_tlb(struct mmu_gather *tlb, p4d_t *p4d,
+ unsigned long addr)
+{
+ if (pgtable_l5_enabled)
+ tlb_remove_page_ptdesc(tlb, virt_to_ptdesc(p4d));
+}
#endif /* __PAGETABLE_PMD_FOLDED */
static inline void sync_kernel_mappings(pgd_t *pgd)
@@ -159,19 +163,25 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
#ifndef __PAGETABLE_PMD_FOLDED
-#define __pmd_free_tlb(tlb, pmd, addr) \
-do { \
- pagetable_pmd_dtor(virt_to_ptdesc(pmd)); \
- tlb_remove_page_ptdesc((tlb), virt_to_ptdesc(pmd)); \
-} while (0)
+static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
+ unsigned long addr)
+{
+ struct ptdesc *ptdesc = virt_to_ptdesc(pmd);
+
+ pagetable_pmd_dtor(ptdesc);
+ tlb_remove_page_ptdesc(tlb, ptdesc);
+}
#endif /* __PAGETABLE_PMD_FOLDED */
-#define __pte_free_tlb(tlb, pte, buf) \
-do { \
- pagetable_pte_dtor(page_ptdesc(pte)); \
- tlb_remove_page_ptdesc((tlb), page_ptdesc(pte));\
-} while (0)
+static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
+ unsigned long addr)
+{
+ struct ptdesc *ptdesc = page_ptdesc(pte);
+
+ pagetable_pte_dtor(ptdesc);
+ tlb_remove_page_ptdesc(tlb, ptdesc);
+}
#endif /* CONFIG_MMU */
#endif /* _ASM_RISCV_PGALLOC_H */
--
GitLab
From 69be3fb111e73bd025ce6d2322371da5aa497c70 Mon Sep 17 00:00:00 2001
From: Jisheng Zhang <jszhang@kernel.org>
Date: Wed, 20 Dec 2023 01:50:45 +0800
Subject: [PATCH 0122/2686] riscv: enable MMU_GATHER_RCU_TABLE_FREE for SMP &&
MMU
In order to implement fast gup we need to ensure that the page
table walker is protected from page table pages being freed from
under it.
riscv situation is more complicated than other architectures: some
riscv platforms may use IPI to perform TLB shootdown, for example,
those platforms which support AIA, usually the riscv_ipi_for_rfence is
true on these platforms; some riscv platforms may rely on the SBI to
perform TLB shootdown, usually the riscv_ipi_for_rfence is false on
these platforms. To keep software pagetable walkers safe in this case
we switch to RCU based table free (MMU_GATHER_RCU_TABLE_FREE). See the
comment below 'ifdef CONFIG_MMU_GATHER_RCU_TABLE_FREE' in
include/asm-generic/tlb.h for more details.
This patch enables MMU_GATHER_RCU_TABLE_FREE, then use
*tlb_remove_page_ptdesc() for those platforms which use IPI to perform
TLB shootdown;
*tlb_remove_ptdesc() for those platforms which use SBI to perform TLB
shootdown;
Both case mean that disabling interrupts will block the free and
protect the fast gup page walker.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20231219175046.2496-4-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/Kconfig | 1 +
arch/riscv/include/asm/pgalloc.h | 23 ++++++++++++++++++-----
arch/riscv/include/asm/tlb.h | 18 ++++++++++++++++++
3 files changed, 37 insertions(+), 5 deletions(-)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 95a2a06acc6a6..a0d9b8f5371d9 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -147,6 +147,7 @@ config RISCV
select IRQ_FORCED_THREADING
select KASAN_VMALLOC if KASAN
select LOCK_MM_AND_FIND_VMA
+ select MMU_GATHER_RCU_TABLE_FREE if SMP && MMU
select MODULES_USE_ELF_RELA if MODULES
select MODULE_SECTIONS if MODULES
select OF
diff --git a/arch/riscv/include/asm/pgalloc.h b/arch/riscv/include/asm/pgalloc.h
index 3c5e3bd15f46e..deaf971253a20 100644
--- a/arch/riscv/include/asm/pgalloc.h
+++ b/arch/riscv/include/asm/pgalloc.h
@@ -102,7 +102,10 @@ static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud,
struct ptdesc *ptdesc = virt_to_ptdesc(pud);
pagetable_pud_dtor(ptdesc);
- tlb_remove_page_ptdesc(tlb, ptdesc);
+ if (riscv_use_ipi_for_rfence())
+ tlb_remove_page_ptdesc(tlb, ptdesc);
+ else
+ tlb_remove_ptdesc(tlb, ptdesc);
}
}
@@ -136,8 +139,12 @@ static inline void p4d_free(struct mm_struct *mm, p4d_t *p4d)
static inline void __p4d_free_tlb(struct mmu_gather *tlb, p4d_t *p4d,
unsigned long addr)
{
- if (pgtable_l5_enabled)
- tlb_remove_page_ptdesc(tlb, virt_to_ptdesc(p4d));
+ if (pgtable_l5_enabled) {
+ if (riscv_use_ipi_for_rfence())
+ tlb_remove_page_ptdesc(tlb, virt_to_ptdesc(p4d));
+ else
+ tlb_remove_ptdesc(tlb, virt_to_ptdesc(p4d));
+ }
}
#endif /* __PAGETABLE_PMD_FOLDED */
@@ -169,7 +176,10 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
struct ptdesc *ptdesc = virt_to_ptdesc(pmd);
pagetable_pmd_dtor(ptdesc);
- tlb_remove_page_ptdesc(tlb, ptdesc);
+ if (riscv_use_ipi_for_rfence())
+ tlb_remove_page_ptdesc(tlb, ptdesc);
+ else
+ tlb_remove_ptdesc(tlb, ptdesc);
}
#endif /* __PAGETABLE_PMD_FOLDED */
@@ -180,7 +190,10 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
struct ptdesc *ptdesc = page_ptdesc(pte);
pagetable_pte_dtor(ptdesc);
- tlb_remove_page_ptdesc(tlb, ptdesc);
+ if (riscv_use_ipi_for_rfence())
+ tlb_remove_page_ptdesc(tlb, ptdesc);
+ else
+ tlb_remove_ptdesc(tlb, ptdesc);
}
#endif /* CONFIG_MMU */
diff --git a/arch/riscv/include/asm/tlb.h b/arch/riscv/include/asm/tlb.h
index 1eb5682b2af60..a0b8b853503fe 100644
--- a/arch/riscv/include/asm/tlb.h
+++ b/arch/riscv/include/asm/tlb.h
@@ -10,6 +10,24 @@ struct mmu_gather;
static void tlb_flush(struct mmu_gather *tlb);
+#ifdef CONFIG_MMU
+#include <linux/swap.h>
+
+/*
+ * While riscv platforms with riscv_ipi_for_rfence as true require an IPI to
+ * perform TLB shootdown, some platforms with riscv_ipi_for_rfence as false use
+ * SBI to perform TLB shootdown. To keep software pagetable walkers safe in this
+ * case we switch to RCU based table free (MMU_GATHER_RCU_TABLE_FREE). See the
+ * comment below 'ifdef CONFIG_MMU_GATHER_RCU_TABLE_FREE' in include/asm-generic/tlb.h
+ * for more details.
+ */
+static inline void __tlb_remove_table(void *table)
+{
+ free_page_and_swap_cache(table);
+}
+
+#endif /* CONFIG_MMU */
+
#define tlb_flush tlb_flush
#include <asm-generic/tlb.h>
--
GitLab
From 3f910b7a522e064d7261f31a00d9c9dca31d902a Mon Sep 17 00:00:00 2001
From: Jisheng Zhang <jszhang@kernel.org>
Date: Wed, 20 Dec 2023 01:50:46 +0800
Subject: [PATCH 0123/2686] riscv: enable HAVE_FAST_GUP if MMU
Activate the fast gup for riscv mmu platforms. Here are some
GUP_FAST_BENCHMARK performance numbers:
Before the patch:
GUP_FAST_BENCHMARK: Time: get:53203 put:5085 us
After the patch:
GUP_FAST_BENCHMARK: Time: get:17711 put:5060 us
The get time is reduced by 66.7%! IOW, 3x get speed!
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20231219175046.2496-5-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/Kconfig | 1 +
arch/riscv/include/asm/pgtable.h | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index a0d9b8f5371d9..9e1e7c74b1f9e 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -119,6 +119,7 @@ config RISCV
select HAVE_FUNCTION_GRAPH_RETVAL if HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER if !XIP_KERNEL && !PREEMPTION
select HAVE_EBPF_JIT if MMU
+ select HAVE_FAST_GUP if MMU
select HAVE_FUNCTION_ARG_ACCESS_API
select HAVE_FUNCTION_ERROR_INJECTION
select HAVE_GCC_PLUGINS
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 294044429e8e1..a76e86e1cb4c7 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -673,6 +673,12 @@ static inline int pmd_write(pmd_t pmd)
return pte_write(pmd_pte(pmd));
}
+#define pud_write pud_write
+static inline int pud_write(pud_t pud)
+{
+ return pte_write(pud_pte(pud));
+}
+
static inline int pmd_dirty(pmd_t pmd)
{
return pte_dirty(pmd_pte(pmd));
--
GitLab
From 5014396af9bbac0f28d9afee7eae405206d01ee7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= <cleger@rivosinc.com>
Date: Wed, 4 Oct 2023 15:10:09 +0200
Subject: [PATCH 0124/2686] riscv: blacklist assembly symbols for kprobe
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Adding kprobes on some assembly functions (mainly exception handling)
will result in crashes (either recursive trap or panic). To avoid such
errors, add ASM_NOKPROBE() macro which allow adding specific symbols
into the __kprobe_blacklist section and use to blacklist the following
symbols that showed to be problematic:
- handle_exception()
- ret_from_exception()
- handle_kernel_stack_overflow()
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20231004131009.409193-1-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/asm.h | 10 ++++++++++
arch/riscv/kernel/entry.S | 3 +++
2 files changed, 13 insertions(+)
diff --git a/arch/riscv/include/asm/asm.h b/arch/riscv/include/asm/asm.h
index b0487b39e6747..776354895b81e 100644
--- a/arch/riscv/include/asm/asm.h
+++ b/arch/riscv/include/asm/asm.h
@@ -183,6 +183,16 @@
REG_L x31, PT_T6(sp)
.endm
+/* Annotate a function as being unsuitable for kprobes. */
+#ifdef CONFIG_KPROBES
+#define ASM_NOKPROBE(name) \
+ .pushsection "_kprobe_blacklist", "aw"; \
+ RISCV_PTR name; \
+ .popsection
+#else
+#define ASM_NOKPROBE(name)
+#endif
+
#endif /* __ASSEMBLY__ */
#endif /* _ASM_RISCV_ASM_H */
diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S
index 9d1a305d55087..68a24cf9481af 100644
--- a/arch/riscv/kernel/entry.S
+++ b/arch/riscv/kernel/entry.S
@@ -111,6 +111,7 @@ SYM_CODE_START(handle_exception)
1:
tail do_trap_unknown
SYM_CODE_END(handle_exception)
+ASM_NOKPROBE(handle_exception)
/*
* The ret_from_exception must be called with interrupt disabled. Here is the
@@ -184,6 +185,7 @@ SYM_CODE_START_NOALIGN(ret_from_exception)
sret
#endif
SYM_CODE_END(ret_from_exception)
+ASM_NOKPROBE(ret_from_exception)
#ifdef CONFIG_VMAP_STACK
SYM_CODE_START_LOCAL(handle_kernel_stack_overflow)
@@ -219,6 +221,7 @@ SYM_CODE_START_LOCAL(handle_kernel_stack_overflow)
move a0, sp
tail handle_bad_stack
SYM_CODE_END(handle_kernel_stack_overflow)
+ASM_NOKPROBE(handle_kernel_stack_overflow)
#endif
SYM_CODE_START(ret_from_fork)
--
GitLab
From dded618c07fd786f781c3f3529d8253e31e2c7d6 Mon Sep 17 00:00:00 2001
From: Yang Li <yang.lee@linux.alibaba.com>
Date: Tue, 31 Oct 2023 08:40:18 +0800
Subject: [PATCH 0125/2686] RISC-V: Remove duplicated include in smpboot.c
./arch/riscv/kernel/smpboot.c: asm/cpufeature.h is included more than once.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=7086
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20231031004018.45074-1-yang.lee@linux.alibaba.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/kernel/smpboot.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/riscv/kernel/smpboot.c b/arch/riscv/kernel/smpboot.c
index 519b6bd946e5d..cfbe4b840d422 100644
--- a/arch/riscv/kernel/smpboot.c
+++ b/arch/riscv/kernel/smpboot.c
@@ -28,7 +28,6 @@
#include <asm/cpufeature.h>
#include <asm/cpu_ops.h>
-#include <asm/cpufeature.h>
#include <asm/irq.h>
#include <asm/mmu_context.h>
#include <asm/numa.h>
--
GitLab
From 05d450aabd7386246c5aafc341fe9febe5855967 Mon Sep 17 00:00:00 2001
From: Song Shuai <songshuaishuai@tinylab.org>
Date: Thu, 9 Nov 2023 21:37:51 +0800
Subject: [PATCH 0126/2686] riscv: Support RANDOMIZE_KSTACK_OFFSET
Inspired from arm64's implement -- commit 70918779aec9
("arm64: entry: Enable random_kstack_offset support")
Add support of kernel stack offset randomization while handling syscall,
the offset is defaultly limited by KSTACK_OFFSET_MAX() (i.e. 10 bits).
In order to avoid trigger stack canaries (due to __builtin_alloca) and
slowing down the entry path, use __no_stack_protector attribute to
disable stack protector for do_trap_ecall_u() at the function level.
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Song Shuai <songshuaishuai@tinylab.org>
Link: https://lore.kernel.org/r/20231109133751.212079-1-songshuaishuai@tinylab.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/Kconfig | 1 +
arch/riscv/kernel/traps.c | 17 ++++++++++++++++-
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index cd9fc635857e3..b49016bb5077b 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -109,6 +109,7 @@ config RISCV
select HAVE_ARCH_KGDB_QXFER_PKT
select HAVE_ARCH_MMAP_RND_BITS if MMU
select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT
+ select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_THREAD_STRUCT_WHITELIST
select HAVE_ARCH_TRACEHOOK
diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c
index a1b9be3c4332d..868d6280cf667 100644
--- a/arch/riscv/kernel/traps.c
+++ b/arch/riscv/kernel/traps.c
@@ -6,6 +6,7 @@
#include <linux/cpu.h>
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/randomize_kstack.h>
#include <linux/sched.h>
#include <linux/sched/debug.h>
#include <linux/sched/signal.h>
@@ -310,7 +311,8 @@ asmlinkage __visible __trap_section void do_trap_break(struct pt_regs *regs)
}
}
-asmlinkage __visible __trap_section void do_trap_ecall_u(struct pt_regs *regs)
+asmlinkage __visible __trap_section __no_stack_protector
+void do_trap_ecall_u(struct pt_regs *regs)
{
if (user_mode(regs)) {
long syscall = regs->a7;
@@ -322,10 +324,23 @@ asmlinkage __visible __trap_section void do_trap_ecall_u(struct pt_regs *regs)
syscall = syscall_enter_from_user_mode(regs, syscall);
+ add_random_kstack_offset();
+
if (syscall >= 0 && syscall < NR_syscalls)
syscall_handler(regs, syscall);
else if (syscall != -1)
regs->a0 = -ENOSYS;
+ /*
+ * Ultimately, this value will get limited by KSTACK_OFFSET_MAX(),
+ * so the maximum stack offset is 1k bytes (10 bits).
+ *
+ * The actual entropy will be further reduced by the compiler when
+ * applying stack alignment constraints: 16-byte (i.e. 4-bit) aligned
+ * for RV32I or RV64I.
+ *
+ * The resulting 6 bits of entropy is seen in SP[9:4].
+ */
+ choose_random_kstack_offset(get_random_u16());
syscall_exit_to_user_mode(regs);
} else {
--
GitLab
From cb4ede926134a65bc3bf90ed58dace8451d7e759 Mon Sep 17 00:00:00 2001
From: Xiao Wang <xiao.w.wang@intel.com>
Date: Sun, 12 Nov 2023 17:44:21 +0800
Subject: [PATCH 0127/2686] riscv: Avoid code duplication with generic bitops
implementation
There's code duplication between the fallback implementation for bitops
__ffs/__fls/ffs/fls API and the generic C implementation in
include/asm-generic/bitops/. To avoid this duplication, this patch renames
the generic C implementation by adding a "generic_" prefix to them, then we
can use these generic APIs as fallback.
Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20231112094421.4014931-1-xiao.w.wang@intel.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/bitops.h | 138 +++++------------------------
include/asm-generic/bitops/__ffs.h | 8 +-
include/asm-generic/bitops/__fls.h | 8 +-
include/asm-generic/bitops/ffs.h | 8 +-
include/asm-generic/bitops/fls.h | 8 +-
5 files changed, 48 insertions(+), 122 deletions(-)
diff --git a/arch/riscv/include/asm/bitops.h b/arch/riscv/include/asm/bitops.h
index 9ffc355370248..c4c2173dfe996 100644
--- a/arch/riscv/include/asm/bitops.h
+++ b/arch/riscv/include/asm/bitops.h
@@ -22,6 +22,16 @@
#include <asm-generic/bitops/fls.h>
#else
+#define __HAVE_ARCH___FFS
+#define __HAVE_ARCH___FLS
+#define __HAVE_ARCH_FFS
+#define __HAVE_ARCH_FLS
+
+#include <asm-generic/bitops/__ffs.h>
+#include <asm-generic/bitops/__fls.h>
+#include <asm-generic/bitops/ffs.h>
+#include <asm-generic/bitops/fls.h>
+
#include <asm/alternative-macros.h>
#include <asm/hwcap.h>
@@ -37,8 +47,6 @@
static __always_inline unsigned long variable__ffs(unsigned long word)
{
- int num;
-
asm_volatile_goto(ALTERNATIVE("j %l[legacy]", "nop", 0,
RISCV_ISA_EXT_ZBB, 1)
: : : : legacy);
@@ -52,32 +60,7 @@ static __always_inline unsigned long variable__ffs(unsigned long word)
return word;
legacy:
- num = 0;
-#if BITS_PER_LONG == 64
- if ((word & 0xffffffff) == 0) {
- num += 32;
- word >>= 32;
- }
-#endif
- if ((word & 0xffff) == 0) {
- num += 16;
- word >>= 16;
- }
- if ((word & 0xff) == 0) {
- num += 8;
- word >>= 8;
- }
- if ((word & 0xf) == 0) {
- num += 4;
- word >>= 4;
- }
- if ((word & 0x3) == 0) {
- num += 2;
- word >>= 2;
- }
- if ((word & 0x1) == 0)
- num += 1;
- return num;
+ return generic___ffs(word);
}
/**
@@ -93,8 +76,6 @@ static __always_inline unsigned long variable__ffs(unsigned long word)
static __always_inline unsigned long variable__fls(unsigned long word)
{
- int num;
-
asm_volatile_goto(ALTERNATIVE("j %l[legacy]", "nop", 0,
RISCV_ISA_EXT_ZBB, 1)
: : : : legacy);
@@ -108,32 +89,7 @@ static __always_inline unsigned long variable__fls(unsigned long word)
return BITS_PER_LONG - 1 - word;
legacy:
- num = BITS_PER_LONG - 1;
-#if BITS_PER_LONG == 64
- if (!(word & (~0ul << 32))) {
- num -= 32;
- word <<= 32;
- }
-#endif
- if (!(word & (~0ul << (BITS_PER_LONG - 16)))) {
- num -= 16;
- word <<= 16;
- }
- if (!(word & (~0ul << (BITS_PER_LONG - 8)))) {
- num -= 8;
- word <<= 8;
- }
- if (!(word & (~0ul << (BITS_PER_LONG - 4)))) {
- num -= 4;
- word <<= 4;
- }
- if (!(word & (~0ul << (BITS_PER_LONG - 2)))) {
- num -= 2;
- word <<= 2;
- }
- if (!(word & (~0ul << (BITS_PER_LONG - 1))))
- num -= 1;
- return num;
+ return generic___fls(word);
}
/**
@@ -149,46 +105,23 @@ static __always_inline unsigned long variable__fls(unsigned long word)
static __always_inline int variable_ffs(int x)
{
- int r;
-
- if (!x)
- return 0;
-
asm_volatile_goto(ALTERNATIVE("j %l[legacy]", "nop", 0,
RISCV_ISA_EXT_ZBB, 1)
: : : : legacy);
+ if (!x)
+ return 0;
+
asm volatile (".option push\n"
".option arch,+zbb\n"
CTZW "%0, %1\n"
".option pop\n"
- : "=r" (r) : "r" (x) :);
+ : "=r" (x) : "r" (x) :);
- return r + 1;
+ return x + 1;
legacy:
- r = 1;
- if (!(x & 0xffff)) {
- x >>= 16;
- r += 16;
- }
- if (!(x & 0xff)) {
- x >>= 8;
- r += 8;
- }
- if (!(x & 0xf)) {
- x >>= 4;
- r += 4;
- }
- if (!(x & 3)) {
- x >>= 2;
- r += 2;
- }
- if (!(x & 1)) {
- x >>= 1;
- r += 1;
- }
- return r;
+ return generic_ffs(x);
}
/**
@@ -204,46 +137,23 @@ static __always_inline int variable_ffs(int x)
static __always_inline int variable_fls(unsigned int x)
{
- int r;
-
- if (!x)
- return 0;
-
asm_volatile_goto(ALTERNATIVE("j %l[legacy]", "nop", 0,
RISCV_ISA_EXT_ZBB, 1)
: : : : legacy);
+ if (!x)
+ return 0;
+
asm volatile (".option push\n"
".option arch,+zbb\n"
CLZW "%0, %1\n"
".option pop\n"
- : "=r" (r) : "r" (x) :);
+ : "=r" (x) : "r" (x) :);
- return 32 - r;
+ return 32 - x;
legacy:
- r = 32;
- if (!(x & 0xffff0000u)) {
- x <<= 16;
- r -= 16;
- }
- if (!(x & 0xff000000u)) {
- x <<= 8;
- r -= 8;
- }
- if (!(x & 0xf0000000u)) {
- x <<= 4;
- r -= 4;
- }
- if (!(x & 0xc0000000u)) {
- x <<= 2;
- r -= 2;
- }
- if (!(x & 0x80000000u)) {
- x <<= 1;
- r -= 1;
- }
- return r;
+ return generic_fls(x);
}
/**
diff --git a/include/asm-generic/bitops/__ffs.h b/include/asm-generic/bitops/__ffs.h
index 39e56e1c72032..446fea6dda78b 100644
--- a/include/asm-generic/bitops/__ffs.h
+++ b/include/asm-generic/bitops/__ffs.h
@@ -5,12 +5,12 @@
#include <asm/types.h>
/**
- * __ffs - find first bit in word.
+ * generic___ffs - find first bit in word.
* @word: The word to search
*
* Undefined if no bit exists, so code should check against 0 first.
*/
-static __always_inline unsigned long __ffs(unsigned long word)
+static __always_inline unsigned long generic___ffs(unsigned long word)
{
int num = 0;
@@ -41,4 +41,8 @@ static __always_inline unsigned long __ffs(unsigned long word)
return num;
}
+#ifndef __HAVE_ARCH___FFS
+#define __ffs(word) generic___ffs(word)
+#endif
+
#endif /* _ASM_GENERIC_BITOPS___FFS_H_ */
diff --git a/include/asm-generic/bitops/__fls.h b/include/asm-generic/bitops/__fls.h
index 03f721a8a2b19..54ccccf96e21e 100644
--- a/include/asm-generic/bitops/__fls.h
+++ b/include/asm-generic/bitops/__fls.h
@@ -5,12 +5,12 @@
#include <asm/types.h>
/**
- * __fls - find last (most-significant) set bit in a long word
+ * generic___fls - find last (most-significant) set bit in a long word
* @word: the word to search
*
* Undefined if no set bit exists, so code should check against 0 first.
*/
-static __always_inline unsigned long __fls(unsigned long word)
+static __always_inline unsigned long generic___fls(unsigned long word)
{
int num = BITS_PER_LONG - 1;
@@ -41,4 +41,8 @@ static __always_inline unsigned long __fls(unsigned long word)
return num;
}
+#ifndef __HAVE_ARCH___FLS
+#define __fls(word) generic___fls(word)
+#endif
+
#endif /* _ASM_GENERIC_BITOPS___FLS_H_ */
diff --git a/include/asm-generic/bitops/ffs.h b/include/asm-generic/bitops/ffs.h
index 323fd5d6ae263..4c43f242daeb1 100644
--- a/include/asm-generic/bitops/ffs.h
+++ b/include/asm-generic/bitops/ffs.h
@@ -3,14 +3,14 @@
#define _ASM_GENERIC_BITOPS_FFS_H_
/**
- * ffs - find first bit set
+ * generic_ffs - find first bit set
* @x: the word to search
*
* This is defined the same way as
* the libc and compiler builtin ffs routines, therefore
* differs in spirit from ffz (man ffs).
*/
-static inline int ffs(int x)
+static inline int generic_ffs(int x)
{
int r = 1;
@@ -39,4 +39,8 @@ static inline int ffs(int x)
return r;
}
+#ifndef __HAVE_ARCH_FFS
+#define ffs(x) generic_ffs(x)
+#endif
+
#endif /* _ASM_GENERIC_BITOPS_FFS_H_ */
diff --git a/include/asm-generic/bitops/fls.h b/include/asm-generic/bitops/fls.h
index b168bb10e1be1..26f3ce1dd6e44 100644
--- a/include/asm-generic/bitops/fls.h
+++ b/include/asm-generic/bitops/fls.h
@@ -3,14 +3,14 @@
#define _ASM_GENERIC_BITOPS_FLS_H_
/**
- * fls - find last (most-significant) bit set
+ * generic_fls - find last (most-significant) bit set
* @x: the word to search
*
* This is defined the same way as ffs.
* Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
*/
-static __always_inline int fls(unsigned int x)
+static __always_inline int generic_fls(unsigned int x)
{
int r = 32;
@@ -39,4 +39,8 @@ static __always_inline int fls(unsigned int x)
return r;
}
+#ifndef __HAVE_ARCH_FLS
+#define fls(x) generic_fls(x)
+#endif
+
#endif /* _ASM_GENERIC_BITOPS_FLS_H_ */
--
GitLab
From b558469580f82b925d6651ac8d7a01070402dbf8 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oneukum@suse.com>
Date: Thu, 18 Jan 2024 19:36:33 +0100
Subject: [PATCH 0128/2686] USB: uapi: OTG 3.0
Add attribute bits defined in version 3.0
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20240118183644.16125-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/uapi/linux/usb/ch9.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h
index 8a147abfc6806..44d73ba8788dc 100644
--- a/include/uapi/linux/usb/ch9.h
+++ b/include/uapi/linux/usb/ch9.h
@@ -763,6 +763,8 @@ struct usb_otg20_descriptor {
#define USB_OTG_SRP (1 << 0)
#define USB_OTG_HNP (1 << 1) /* swap host/device roles */
#define USB_OTG_ADP (1 << 2) /* support ADP */
+/* OTG 3.0 */
+#define USB_OTG_RSP (1 << 3) /* support RSP */
#define OTG_STS_SELECTOR 0xF000 /* OTG status selector */
/*-------------------------------------------------------------------------*/
--
GitLab
From 7626c52b6b461b44a46cea4d51b4cf749657f5a8 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oneukum@suse.com>
Date: Thu, 18 Jan 2024 21:22:55 +0100
Subject: [PATCH 0129/2686] usb: usb_autopm_get_interface use modern helper
PM core now gives us a primitive that does not touch
the counter in an error case. Use it.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20240118202300.1616-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/driver.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index e01b1913d02bf..e02ba15f6e34f 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1710,9 +1710,7 @@ int usb_autoresume_device(struct usb_device *udev)
{
int status;
- status = pm_runtime_get_sync(&udev->dev);
- if (status < 0)
- pm_runtime_put_sync(&udev->dev);
+ status = pm_runtime_resume_and_get(&udev->dev);
dev_vdbg(&udev->dev, "%s: cnt %d -> %d\n",
__func__, atomic_read(&udev->dev.power.usage_count),
status);
@@ -1818,9 +1816,7 @@ int usb_autopm_get_interface(struct usb_interface *intf)
{
int status;
- status = pm_runtime_get_sync(&intf->dev);
- if (status < 0)
- pm_runtime_put_sync(&intf->dev);
+ status = pm_runtime_resume_and_get(&intf->dev);
dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",
__func__, atomic_read(&intf->dev.power.usage_count),
status);
--
GitLab
From d6429a3555fb29f380c5841a12f5ac3f7444af03 Mon Sep 17 00:00:00 2001
From: Karina Yankevich <k.yankevich@omp.ru>
Date: Sun, 21 Jan 2024 20:29:55 +0300
Subject: [PATCH 0130/2686] usb: storage: sddr55: fix sloppy typing in
sddr55_{read|write}_data()
In sddr55_{read|write}_data(), the address variables are needlessly typed
as *unsigned long* -- which is 32-bit type on the 32-bit arches and 64-bit
type on the 64-bit arches; those variables' value should fit into just 3
command bytes and consists of 10-bit block # (or at least the max block #
seems to be 1023) and 4-/5-bit page # within a block, so 32-bit *unsigned*
*int* type should be more than enough...
Found by Linux Verification Center (linuxtesting.org) with the Svace static
analysis tool.
[Sergey: rewrote the patch subject/description]
Signed-off-by: Karina Yankevich <k.yankevich@omp.ru>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/4c9485f2-0bfc-591b-bfe7-2059289b554e@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/storage/sddr55.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/storage/sddr55.c b/drivers/usb/storage/sddr55.c
index 15dc25801cdcc..0aa079405d23c 100644
--- a/drivers/usb/storage/sddr55.c
+++ b/drivers/usb/storage/sddr55.c
@@ -196,7 +196,7 @@ static int sddr55_read_data(struct us_data *us,
unsigned char *buffer;
unsigned int pba;
- unsigned long address;
+ unsigned int address;
unsigned short pages;
unsigned int len, offset;
@@ -316,7 +316,7 @@ static int sddr55_write_data(struct us_data *us,
unsigned int pba;
unsigned int new_pba;
- unsigned long address;
+ unsigned int address;
unsigned short pages;
int i;
--
GitLab
From cde644ae1967d4fcb0fb27b47709654fd24208ae Mon Sep 17 00:00:00 2001
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: Mon, 22 Jan 2024 12:04:45 +0100
Subject: [PATCH 0131/2686] dt-bindings: usb: Introduce ITE IT5205 Alt. Mode
Passive MUX
Introduce a binding for the ITE IT5205 Alternate Mode Passive MUX,
used for connecting, disconnecting and switching orientation and
control the SBU signals for alternate modes on USB Type-C ports.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240122110446.140226-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../devicetree/bindings/usb/ite,it5205.yaml | 72 +++++++++++++++++++
1 file changed, 72 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/ite,it5205.yaml
diff --git a/Documentation/devicetree/bindings/usb/ite,it5205.yaml b/Documentation/devicetree/bindings/usb/ite,it5205.yaml
new file mode 100644
index 0000000000000..36ec4251b5f20
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/ite,it5205.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/ite,it5205.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ITE IT5202 Type-C USB Alternate Mode Passive MUX
+
+maintainers:
+ - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+ - Tianping Fang <tianping.fang@mediatek.com>
+
+properties:
+ compatible:
+ const: ite,it5205
+
+ reg:
+ maxItems: 1
+
+ vcc-supply:
+ description: Power supply for VCC pin (3.3V)
+
+ mode-switch:
+ description: Flag the port as possible handle of altmode switching
+ type: boolean
+
+ orientation-switch:
+ description: Flag the port as possible handler of orientation switching
+ type: boolean
+
+ ite,ovp-enable:
+ description: Enable Over Voltage Protection functionality
+ type: boolean
+
+ port:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ A port node to link the IT5205 to a TypeC controller for the purpose of
+ handling altmode muxing and orientation switching.
+
+required:
+ - compatible
+ - reg
+ - orientation-switch
+ - port
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ typec-mux@48 {
+ compatible = "ite,it5205";
+ reg = <0x48>;
+
+ mode-switch;
+ orientation-switch;
+
+ vcc-supply = <&mt6359_vibr_ldo_reg>;
+
+ port {
+ it5205_usbss_sbu: endpoint {
+ remote-endpoint = <&typec_controller>;
+ };
+ };
+ };
+ };
+...
--
GitLab
From 41fe9ea1696c85fdef1b0ea3f9184edb9ab7faba Mon Sep 17 00:00:00 2001
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: Mon, 22 Jan 2024 12:04:46 +0100
Subject: [PATCH 0132/2686] usb: typec: mux: Add ITE IT5205 Alternate Mode
Passive MUX driver
The ITE IT5202 is a USB Type-C Alternate Mode Passive MUX, used for
muxing the SBU lines of a Type-C port with DisplayPort altmode and
also providing an orientation switch.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240122110446.140226-3-angelogioacchino.delregno@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/mux/Kconfig | 10 ++
drivers/usb/typec/mux/Makefile | 1 +
drivers/usb/typec/mux/it5205.c | 294 +++++++++++++++++++++++++++++++++
3 files changed, 305 insertions(+)
create mode 100644 drivers/usb/typec/mux/it5205.c
diff --git a/drivers/usb/typec/mux/Kconfig b/drivers/usb/typec/mux/Kconfig
index d2cb5e733e573..399c7b0983df3 100644
--- a/drivers/usb/typec/mux/Kconfig
+++ b/drivers/usb/typec/mux/Kconfig
@@ -36,6 +36,16 @@ config TYPEC_MUX_INTEL_PMC
control the USB role switch and also the multiplexer/demultiplexer
switches used with USB Type-C Alternate Modes.
+config TYPEC_MUX_IT5205
+ tristate "ITE IT5205 Type-C USB Alt Mode Passive MUX driver"
+ depends on I2C
+ select REGMAP_I2C
+ help
+ Driver for the ITE IT5205 Type-C USB Alternate Mode Passive MUX
+ which provides support for muxing DisplayPort and sideband signals
+ on a common USB Type-C connector.
+ If compiled as a module, the module will be named it5205.
+
config TYPEC_MUX_NB7VPQ904M
tristate "On Semiconductor NB7VPQ904M Type-C redriver driver"
depends on I2C
diff --git a/drivers/usb/typec/mux/Makefile b/drivers/usb/typec/mux/Makefile
index 57dc9ac6f8dcf..bb96f30267af0 100644
--- a/drivers/usb/typec/mux/Makefile
+++ b/drivers/usb/typec/mux/Makefile
@@ -4,6 +4,7 @@ obj-$(CONFIG_TYPEC_MUX_FSA4480) += fsa4480.o
obj-$(CONFIG_TYPEC_MUX_GPIO_SBU) += gpio-sbu-mux.o
obj-$(CONFIG_TYPEC_MUX_PI3USB30532) += pi3usb30532.o
obj-$(CONFIG_TYPEC_MUX_INTEL_PMC) += intel_pmc_mux.o
+obj-$(CONFIG_TYPEC_MUX_IT5205) += it5205.o
obj-$(CONFIG_TYPEC_MUX_NB7VPQ904M) += nb7vpq904m.o
obj-$(CONFIG_TYPEC_MUX_PTN36502) += ptn36502.o
obj-$(CONFIG_TYPEC_MUX_WCD939X_USBSS) += wcd939x-usbss.o
diff --git a/drivers/usb/typec/mux/it5205.c b/drivers/usb/typec/mux/it5205.c
new file mode 100644
index 0000000000000..5535932e42cde
--- /dev/null
+++ b/drivers/usb/typec/mux/it5205.c
@@ -0,0 +1,294 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ITE IT5205 Type-C USB alternate mode passive mux
+ *
+ * Copyright (c) 2020 MediaTek Inc.
+ * Copyright (c) 2024 Collabora Ltd.
+ * AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/usb/tcpm.h>
+#include <linux/usb/typec.h>
+#include <linux/usb/typec_dp.h>
+#include <linux/usb/typec_mux.h>
+
+#define IT5205_REG_CHIP_ID(x) (0x4 + (x))
+#define IT5205FN_CHIP_ID 0x35323035 /* "5205" */
+
+/* MUX power down register */
+#define IT5205_REG_MUXPDR 0x10
+#define IT5205_MUX_POWER_DOWN BIT(0)
+
+/* MUX control register */
+#define IT5205_REG_MUXCR 0x11
+#define IT5205_POLARITY_INVERTED BIT(4)
+#define IT5205_DP_USB_CTRL_MASK GENMASK(3, 0)
+#define IT5205_DP 0x0f
+#define IT5205_DP_USB 0x03
+#define IT5205_USB 0x07
+
+/* Vref Select Register */
+#define IT5205_REG_VSR 0x10
+#define IT5205_VREF_SELECT_MASK GENMASK(5, 4)
+#define IT5205_VREF_SELECT_3_3V 0x00
+#define IT5205_VREF_SELECT_OFF 0x20
+
+/* CSBU Over Voltage Protection Register */
+#define IT5205_REG_CSBUOVPSR 0x1e
+#define IT5205_OVP_SELECT_MASK GENMASK(5, 4)
+#define IT5205_OVP_3_90V 0x00
+#define IT5205_OVP_3_68V 0x10
+#define IT5205_OVP_3_62V 0x20
+#define IT5205_OVP_3_57V 0x30
+
+/* CSBU Switch Register */
+#define IT5205_REG_CSBUSR 0x22
+#define IT5205_CSBUSR_SWITCH BIT(0)
+
+/* Interrupt Switch Register */
+#define IT5205_REG_ISR 0x25
+#define IT5205_ISR_CSBU_MASK BIT(4)
+#define IT5205_ISR_CSBU_OVP BIT(0)
+
+struct it5205 {
+ struct i2c_client *client;
+ struct regmap *regmap;
+ struct typec_switch_dev *sw;
+ struct typec_mux_dev *mux;
+};
+
+static int it5205_switch_set(struct typec_switch_dev *sw, enum typec_orientation orientation)
+{
+ struct it5205 *it = typec_switch_get_drvdata(sw);
+
+ switch (orientation) {
+ case TYPEC_ORIENTATION_NORMAL:
+ regmap_update_bits(it->regmap, IT5205_REG_MUXCR,
+ IT5205_POLARITY_INVERTED, 0);
+ break;
+ case TYPEC_ORIENTATION_REVERSE:
+ regmap_update_bits(it->regmap, IT5205_REG_MUXCR,
+ IT5205_POLARITY_INVERTED, IT5205_POLARITY_INVERTED);
+ break;
+ case TYPEC_ORIENTATION_NONE:
+ fallthrough;
+ default:
+ regmap_write(it->regmap, IT5205_REG_MUXCR, 0);
+ break;
+ }
+
+ return 0;
+}
+
+static int it5205_mux_set(struct typec_mux_dev *mux, struct typec_mux_state *state)
+{
+ struct it5205 *it = typec_mux_get_drvdata(mux);
+ u8 val;
+
+ if (state->mode >= TYPEC_STATE_MODAL &&
+ state->alt->svid != USB_TYPEC_DP_SID)
+ return -EINVAL;
+
+ switch (state->mode) {
+ case TYPEC_STATE_USB:
+ val = IT5205_USB;
+ break;
+ case TYPEC_DP_STATE_C:
+ fallthrough;
+ case TYPEC_DP_STATE_E:
+ val = IT5205_DP;
+ break;
+ case TYPEC_DP_STATE_D:
+ val = IT5205_DP_USB;
+ break;
+ case TYPEC_STATE_SAFE:
+ fallthrough;
+ default:
+ val = 0;
+ break;
+ }
+
+ return regmap_update_bits(it->regmap, IT5205_REG_MUXCR,
+ IT5205_DP_USB_CTRL_MASK, val);
+}
+
+static irqreturn_t it5205_irq_handler(int irq, void *data)
+{
+ struct it5205 *it = data;
+ int ret;
+ u32 val;
+
+ ret = regmap_read(it->regmap, IT5205_REG_ISR, &val);
+ if (ret)
+ return IRQ_NONE;
+
+ if (val & IT5205_ISR_CSBU_OVP) {
+ dev_warn(&it->client->dev, "Overvoltage detected!\n");
+
+ /* Reset CSBU */
+ regmap_update_bits(it->regmap, IT5205_REG_CSBUSR,
+ IT5205_CSBUSR_SWITCH, 0);
+ regmap_update_bits(it->regmap, IT5205_REG_CSBUSR,
+ IT5205_CSBUSR_SWITCH, IT5205_CSBUSR_SWITCH);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static void it5205_enable_ovp(struct it5205 *it)
+{
+ /* Select Vref 3.3v */
+ regmap_update_bits(it->regmap, IT5205_REG_VSR,
+ IT5205_VREF_SELECT_MASK, IT5205_VREF_SELECT_3_3V);
+
+ /* Trigger OVP at 3.68V */
+ regmap_update_bits(it->regmap, IT5205_REG_CSBUOVPSR,
+ IT5205_OVP_SELECT_MASK, IT5205_OVP_3_68V);
+
+ /* Unmask OVP interrupt */
+ regmap_update_bits(it->regmap, IT5205_REG_ISR,
+ IT5205_ISR_CSBU_MASK, 0);
+
+ /* Enable CSBU Interrupt */
+ regmap_update_bits(it->regmap, IT5205_REG_CSBUSR,
+ IT5205_CSBUSR_SWITCH, IT5205_CSBUSR_SWITCH);
+}
+
+static const struct regmap_config it5205_regmap = {
+ .max_register = 0x2f,
+ .reg_bits = 8,
+ .val_bits = 8,
+};
+
+static int it5205_probe(struct i2c_client *client)
+{
+ struct typec_switch_desc sw_desc = { };
+ struct typec_mux_desc mux_desc = { };
+ struct device *dev = &client->dev;
+ struct it5205 *it;
+ u32 val, chipid = 0;
+ int i, ret;
+
+ it = devm_kzalloc(dev, sizeof(*it), GFP_KERNEL);
+ if (!it)
+ return -ENOMEM;
+
+ ret = devm_regulator_get_enable(dev, "vcc");
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to get regulator\n");
+
+ it->client = client;
+
+ it->regmap = devm_regmap_init_i2c(client, &it5205_regmap);
+ if (IS_ERR(it->regmap))
+ return dev_err_probe(dev, PTR_ERR(it->regmap),
+ "Failed to init regmap\n");
+
+ /* IT5205 needs a long time to power up after enabling regulator */
+ msleep(50);
+
+ /* Unset poweroff bit */
+ ret = regmap_write(it->regmap, IT5205_REG_MUXPDR, 0);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to set power on\n");
+
+ /* Read the 32 bits ChipID */
+ for (i = 3; i >= 0; i--) {
+ ret = regmap_read(it->regmap, IT5205_REG_CHIP_ID(i), &val);
+ if (ret)
+ return ret;
+
+ chipid |= val << (i * 8);
+ }
+
+ if (chipid != IT5205FN_CHIP_ID)
+ return dev_err_probe(dev, -EINVAL,
+ "Unknown ChipID 0x%x\n", chipid);
+
+ /* Initialize as USB mode with default (non-inverted) polarity */
+ ret = regmap_write(it->regmap, IT5205_REG_MUXCR, IT5205_USB);
+ if (ret)
+ return dev_err_probe(dev, ret, "Cannot set mode to USB\n");
+
+ sw_desc.drvdata = it;
+ sw_desc.fwnode = dev_fwnode(dev);
+ sw_desc.set = it5205_switch_set;
+
+ it->sw = typec_switch_register(dev, &sw_desc);
+ if (IS_ERR(it->sw))
+ return dev_err_probe(dev, PTR_ERR(it->sw),
+ "failed to register typec switch\n");
+
+ mux_desc.drvdata = it;
+ mux_desc.fwnode = dev_fwnode(dev);
+ mux_desc.set = it5205_mux_set;
+
+ it->mux = typec_mux_register(dev, &mux_desc);
+ if (IS_ERR(it->mux)) {
+ typec_switch_unregister(it->sw);
+ return dev_err_probe(dev, PTR_ERR(it->mux),
+ "failed to register typec mux\n");
+ }
+
+ i2c_set_clientdata(client, it);
+
+ if (of_property_read_bool(dev->of_node, "ite,ovp-enable") && client->irq) {
+ it5205_enable_ovp(it);
+
+ ret = devm_request_threaded_irq(dev, client->irq, NULL,
+ it5205_irq_handler,
+ IRQF_ONESHOT, dev_name(dev), it);
+ if (ret) {
+ typec_mux_unregister(it->mux);
+ typec_switch_unregister(it->sw);
+ return dev_err_probe(dev, ret, "Failed to request irq\n");
+ }
+ }
+
+ return 0;
+}
+
+static void it5205_remove(struct i2c_client *client)
+{
+ struct it5205 *it = i2c_get_clientdata(client);
+
+ typec_mux_unregister(it->mux);
+ typec_switch_unregister(it->sw);
+}
+
+static const struct i2c_device_id it5205_table[] = {
+ { "it5205" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(i2c, it5205_table);
+
+static const struct of_device_id it5205_of_table[] = {
+ { .compatible = "ite,it5205" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, it5205_of_table);
+
+static struct i2c_driver it5205_driver = {
+ .driver = {
+ .name = "it5205",
+ .of_match_table = it5205_of_table,
+ },
+ .probe = it5205_probe,
+ .remove = it5205_remove,
+ .id_table = it5205_table,
+};
+module_i2c_driver(it5205_driver);
+
+MODULE_AUTHOR("Tianping Fang <tianping.fang@mediatek.com>");
+MODULE_AUTHOR("AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>");
+MODULE_DESCRIPTION("ITE IT5205 alternate mode passive MUX driver");
+MODULE_LICENSE("GPL");
--
GitLab
From 44481a0103443e465ea562b3d5f908051bfa932a Mon Sep 17 00:00:00 2001
From: Philipp Zabel <p.zabel@pengutronix.de>
Date: Thu, 25 Jan 2024 12:29:08 +0100
Subject: [PATCH 0133/2686] usb: dwc3-of-simple: Stop using
of_reset_control_array_get() directly
Use of_reset_control_array_get_optional_exclusive() instead, it is
implemented as:
static inline struct reset_control *
of_reset_control_array_get_optional_exclusive(struct device_node *node)
{
return of_reset_control_array_get(node, false, true, true);
}
This makes the code easier to understand and removes the last remaining
direct use of of_reset_control_array_get(). No functional changes.
This change was made possible by commit f4cc91ddd856 ("usb: dwc3:
of-simple: remove Amlogic GXL and AXG compatibles"), which made the
parameters passed to of_reset_control_array_get() constant.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20240125-dwc3-of-simple-reset-control-array-fix-v2-1-1ab6b52cad21@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/dwc3-of-simple.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c
index d1539fc9eabda..9cf9ee1b637b7 100644
--- a/drivers/usb/dwc3/dwc3-of-simple.c
+++ b/drivers/usb/dwc3/dwc3-of-simple.c
@@ -52,8 +52,7 @@ static int dwc3_of_simple_probe(struct platform_device *pdev)
if (of_device_is_compatible(np, "rockchip,rk3399-dwc3"))
simple->need_reset = true;
- simple->resets = of_reset_control_array_get(np, false, true,
- true);
+ simple->resets = of_reset_control_array_get_optional_exclusive(np);
if (IS_ERR(simple->resets)) {
ret = PTR_ERR(simple->resets);
dev_err(dev, "failed to get device resets, err=%d\n", ret);
--
GitLab
From 4ca79255101b9edd6ac874d39361fd2b52927af0 Mon Sep 17 00:00:00 2001
From: Alexander Tsoy <alexander@tsoy.me>
Date: Fri, 26 Jan 2024 00:16:35 +0300
Subject: [PATCH 0134/2686] usb: audio-v2: Correct comments for struct
uac_clock_selector_descriptor
This is likely a copy-paste error. Replace "Source" with "Selector" where
appropriate.
Fixes: 7e847894039d7 ("linux/usb/audio.h: split header")
Signed-off-by: Alexander Tsoy <alexander@tsoy.me>
Link: https://lore.kernel.org/r/20240125211635.30140-1-alexander@tsoy.me
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/usb/audio-v2.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h
index ca796dc1a984f..6e55556100100 100644
--- a/include/linux/usb/audio-v2.h
+++ b/include/linux/usb/audio-v2.h
@@ -82,7 +82,7 @@ struct uac_clock_source_descriptor {
#define UAC_CLOCK_SOURCE_TYPE_INT_PROG 0x3
#define UAC_CLOCK_SOURCE_SYNCED_TO_SOF (1 << 2)
-/* 4.7.2.2 Clock Source Descriptor */
+/* 4.7.2.2 Clock Selector Descriptor */
struct uac_clock_selector_descriptor {
__u8 bLength;
@@ -91,7 +91,7 @@ struct uac_clock_selector_descriptor {
__u8 bClockID;
__u8 bNrInPins;
__u8 baCSourceID[];
- /* bmControls and iClockSource omitted */
+ /* bmControls and iClockSelector omitted */
} __attribute__((packed));
/* 4.7.2.3 Clock Multiplier Descriptor */
--
GitLab
From 05d039e176cccc4c435c36ccd39170d218563a94 Mon Sep 17 00:00:00 2001
From: Haotien Hsu <haotienh@nvidia.com>
Date: Fri, 26 Jan 2024 11:01:15 +0800
Subject: [PATCH 0135/2686] ucsi_ccg: Refine the UCSI Interrupt handling
With the Cypress CCGx Type-C controller the following error is
sometimes observed on boot:
[ 16.087147] ucsi_ccg 1-0008: failed to reset PPM!
[ 16.087319] ucsi_ccg 1-0008: PPM init failed (-110)
When the above timeout occurs the following happens:
1. The function ucsi_reset_ppm() is called to reset UCSI controller.
This function performs an async write to start reset and then
polls for completion.
2. An interrupt occurs when the reset completes. In the interrupt
handler, the OPM field in the INTR_REG is cleared and this clears
the CCI data in the PPM. Hence, the reset completion status is
cleared.
3. The function ucsi_reset_ppm() continues to poll for the reset
completion, but has missed the reset completion event and
eventually timeouts.
In this patch, we store CCI when handling the interrupt and make
reading after async write gets the correct value.
To align with the CCGx UCSI interface guide, this patch updates the
driver to copy CCI and MESSAGE_IN before they are reset when UCSI
interrupt acknowledged.
When a new command is sent, the driver will clear the old CCI to avoid
ucsi_ccg_read() getting wrong CCI after ucsi_ccg_async_write() when
the UCSI interrupt is not handled.
Finally, acking the UCSI_READ_INT interrupt before calling complete()
in ISR to ensure that the ucsi_ccg_sync_write() would wait for the
interrupt handling to complete.
Signed-off-by: Sing-Han Chen <singhanc@nvidia.com>
Signed-off-by: Haotien Hsu <haotienh@nvidia.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240126030115.3791554-1-haotienh@nvidia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi_ccg.c | 92 ++++++++++++++++++++++++++++---
1 file changed, 84 insertions(+), 8 deletions(-)
diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c
index 449c125f6f870..dda7c7c94e08a 100644
--- a/drivers/usb/typec/ucsi/ucsi_ccg.c
+++ b/drivers/usb/typec/ucsi/ucsi_ccg.c
@@ -192,6 +192,12 @@ struct ucsi_ccg_altmode {
bool checked;
} __packed;
+#define CCGX_MESSAGE_IN_MAX 4
+struct op_region {
+ __le32 cci;
+ __le32 message_in[CCGX_MESSAGE_IN_MAX];
+};
+
struct ucsi_ccg {
struct device *dev;
struct ucsi *ucsi;
@@ -222,6 +228,13 @@ struct ucsi_ccg {
bool has_multiple_dp;
struct ucsi_ccg_altmode orig[UCSI_MAX_ALTMODES];
struct ucsi_ccg_altmode updated[UCSI_MAX_ALTMODES];
+
+ /*
+ * This spinlock protects op_data which includes CCI and MESSAGE_IN that
+ * will be updated in ISR
+ */
+ spinlock_t op_lock;
+ struct op_region op_data;
};
static int ccg_read(struct ucsi_ccg *uc, u16 rab, u8 *data, u32 len)
@@ -305,12 +318,42 @@ static int ccg_write(struct ucsi_ccg *uc, u16 rab, const u8 *data, u32 len)
return 0;
}
+static int ccg_op_region_update(struct ucsi_ccg *uc, u32 cci)
+{
+ u16 reg = CCGX_RAB_UCSI_DATA_BLOCK(UCSI_MESSAGE_IN);
+ struct op_region *data = &uc->op_data;
+ unsigned char *buf;
+ size_t size = sizeof(data->message_in);
+
+ buf = kzalloc(size, GFP_ATOMIC);
+ if (!buf)
+ return -ENOMEM;
+ if (UCSI_CCI_LENGTH(cci)) {
+ int ret = ccg_read(uc, reg, (void *)buf, size);
+
+ if (ret) {
+ kfree(buf);
+ return ret;
+ }
+ }
+
+ spin_lock(&uc->op_lock);
+ data->cci = cpu_to_le32(cci);
+ if (UCSI_CCI_LENGTH(cci))
+ memcpy(&data->message_in, buf, size);
+ spin_unlock(&uc->op_lock);
+ kfree(buf);
+ return 0;
+}
+
static int ucsi_ccg_init(struct ucsi_ccg *uc)
{
unsigned int count = 10;
u8 data;
int status;
+ spin_lock_init(&uc->op_lock);
+
data = CCGX_RAB_UCSI_CONTROL_STOP;
status = ccg_write(uc, CCGX_RAB_UCSI_CONTROL, &data, sizeof(data));
if (status < 0)
@@ -520,9 +563,20 @@ static int ucsi_ccg_read(struct ucsi *ucsi, unsigned int offset,
u16 reg = CCGX_RAB_UCSI_DATA_BLOCK(offset);
struct ucsi_capability *cap;
struct ucsi_altmode *alt;
- int ret;
+ int ret = 0;
+
+ if (offset == UCSI_CCI) {
+ spin_lock(&uc->op_lock);
+ memcpy(val, &(uc->op_data).cci, val_len);
+ spin_unlock(&uc->op_lock);
+ } else if (offset == UCSI_MESSAGE_IN) {
+ spin_lock(&uc->op_lock);
+ memcpy(val, &(uc->op_data).message_in, val_len);
+ spin_unlock(&uc->op_lock);
+ } else {
+ ret = ccg_read(uc, reg, val, val_len);
+ }
- ret = ccg_read(uc, reg, val, val_len);
if (ret)
return ret;
@@ -559,9 +613,18 @@ static int ucsi_ccg_read(struct ucsi *ucsi, unsigned int offset,
static int ucsi_ccg_async_write(struct ucsi *ucsi, unsigned int offset,
const void *val, size_t val_len)
{
+ struct ucsi_ccg *uc = ucsi_get_drvdata(ucsi);
u16 reg = CCGX_RAB_UCSI_DATA_BLOCK(offset);
- return ccg_write(ucsi_get_drvdata(ucsi), reg, val, val_len);
+ /*
+ * UCSI may read CCI instantly after async_write,
+ * clear CCI to avoid caller getting wrong data before we get CCI from ISR
+ */
+ spin_lock(&uc->op_lock);
+ uc->op_data.cci = 0;
+ spin_unlock(&uc->op_lock);
+
+ return ccg_write(uc, reg, val, val_len);
}
static int ucsi_ccg_sync_write(struct ucsi *ucsi, unsigned int offset,
@@ -615,13 +678,18 @@ static irqreturn_t ccg_irq_handler(int irq, void *data)
u16 reg = CCGX_RAB_UCSI_DATA_BLOCK(UCSI_CCI);
struct ucsi_ccg *uc = data;
u8 intr_reg;
- u32 cci;
- int ret;
+ u32 cci = 0;
+ int ret = 0;
ret = ccg_read(uc, CCGX_RAB_INTR_REG, &intr_reg, sizeof(intr_reg));
if (ret)
return ret;
+ if (!intr_reg)
+ return IRQ_HANDLED;
+ else if (!(intr_reg & UCSI_READ_INT))
+ goto err_clear_irq;
+
ret = ccg_read(uc, reg, (void *)&cci, sizeof(cci));
if (ret)
goto err_clear_irq;
@@ -629,13 +697,21 @@ static irqreturn_t ccg_irq_handler(int irq, void *data)
if (UCSI_CCI_CONNECTOR(cci))
ucsi_connector_change(uc->ucsi, UCSI_CCI_CONNECTOR(cci));
- if (test_bit(DEV_CMD_PENDING, &uc->flags) &&
- cci & (UCSI_CCI_ACK_COMPLETE | UCSI_CCI_COMMAND_COMPLETE))
- complete(&uc->complete);
+ /*
+ * As per CCGx UCSI interface guide, copy CCI and MESSAGE_IN
+ * to the OpRegion before clear the UCSI interrupt
+ */
+ ret = ccg_op_region_update(uc, cci);
+ if (ret)
+ goto err_clear_irq;
err_clear_irq:
ccg_write(uc, CCGX_RAB_INTR_REG, &intr_reg, sizeof(intr_reg));
+ if (!ret && test_bit(DEV_CMD_PENDING, &uc->flags) &&
+ cci & (UCSI_CCI_ACK_COMPLETE | UCSI_CCI_COMMAND_COMPLETE))
+ complete(&uc->complete);
+
return IRQ_HANDLED;
}
--
GitLab
From 2fa5c7e53112a5ffef385c587d7d5de96d0b2d08 Mon Sep 17 00:00:00 2001
From: Elad Nachman <enachman@marvell.com>
Date: Sun, 14 Jan 2024 19:21:53 +0200
Subject: [PATCH 0136/2686] dt-bindings: usb: Add Marvell ac5
Add Marvell ac5 device tree bindings to generic EHCI.
This compatible enables the Marvell Orion platform code
to properly configure the DMA mask for the Marvell AC5 SOC.
Signed-off-by: Elad Nachman <enachman@marvell.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240114172154.2622275-2-enachman@marvell.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/usb/generic-ehci.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
index 87986c45be88e..2ed178f16a782 100644
--- a/Documentation/devicetree/bindings/usb/generic-ehci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
@@ -77,6 +77,7 @@ properties:
- const: usb-ehci
- enum:
- generic-ehci
+ - marvell,ac5-ehci
- marvell,armada-3700-ehci
- marvell,orion-ehci
- nuvoton,npcm750-ehci
--
GitLab
From c63fe1cc70933ca667d834a8d836162d3bfc7b0a Mon Sep 17 00:00:00 2001
From: Elad Nachman <enachman@marvell.com>
Date: Sun, 14 Jan 2024 19:21:54 +0200
Subject: [PATCH 0137/2686] usb: host: Add ac5 to EHCI Orion
Add support for ac5 to the EHCI Orion platform driver.
The ac5 SOC has DDR starting at offset 0x2_0000_0000,
Hence it requires a larger than 32-bit DMA mask to operate.
Move the dma mask to be pointed by the OF match data, and
use that match data when initializng the DMA mask.
Signed-off-by: Elad Nachman <enachman@marvell.com>
Link: https://lore.kernel.org/r/20240114172154.2622275-3-enachman@marvell.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/ehci-orion.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index 6c47ab0a491d5..ad145a54ca74e 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -65,6 +65,15 @@ struct orion_ehci_hcd {
static struct hc_driver __read_mostly ehci_orion_hc_driver;
+/*
+ * Legacy DMA mask is 32 bit.
+ * AC5 has the DDR starting at 8GB, hence it requires
+ * a larger (34-bit) DMA mask, in order for DMA allocations
+ * to succeed:
+ */
+static const u64 dma_mask_orion = DMA_BIT_MASK(32);
+static const u64 dma_mask_ac5 = DMA_BIT_MASK(34);
+
/*
* Implement Orion USB controller specification guidelines
*/
@@ -211,6 +220,7 @@ static int ehci_orion_drv_probe(struct platform_device *pdev)
int irq, err;
enum orion_ehci_phy_ver phy_version;
struct orion_ehci_hcd *priv;
+ u64 *dma_mask_ptr;
if (usb_disabled())
return -ENODEV;
@@ -228,7 +238,8 @@ static int ehci_orion_drv_probe(struct platform_device *pdev)
* set. Since shared usb code relies on it, set it here for
* now. Once we have dma capability bindings this can go away.
*/
- err = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+ dma_mask_ptr = (u64 *)of_device_get_match_data(&pdev->dev);
+ err = dma_coerce_mask_and_coherent(&pdev->dev, *dma_mask_ptr);
if (err)
goto err;
@@ -332,8 +343,9 @@ static void ehci_orion_drv_remove(struct platform_device *pdev)
}
static const struct of_device_id ehci_orion_dt_ids[] = {
- { .compatible = "marvell,orion-ehci", },
- { .compatible = "marvell,armada-3700-ehci", },
+ { .compatible = "marvell,orion-ehci", .data = &dma_mask_orion},
+ { .compatible = "marvell,armada-3700-ehci", .data = &dma_mask_orion},
+ { .compatible = "marvell,ac5-ehci", .data = &dma_mask_ac5},
{},
};
MODULE_DEVICE_TABLE(of, ehci_orion_dt_ids);
--
GitLab
From aa6e11e9a792997a183d3b6936b01601233c570d Mon Sep 17 00:00:00 2001
From: Niko Mauno <niko.mauno@vaisala.com>
Date: Fri, 5 Jan 2024 13:49:55 +0200
Subject: [PATCH 0138/2686] usb: core: Amend initial authorized_default value
Since the wireless USB implementation has been removed and since the
behavior with authorized_default values -1 and 1 is now effectively
same, change the initial value to latter in order to stop using the
leftover value. The former value can still be passed as a module
parameter to retain backwards compatibility.
Signed-off-by: Niko Mauno <niko.mauno@vaisala.com>
Link: https://lore.kernel.org/r/20240105114956.30714-1-niko.mauno@vaisala.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/hcd.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 12b6dfeaf658c..9aa5e6bf9b9d9 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -357,12 +357,10 @@ static const u8 ss_rh_config_descriptor[] = {
#define USB_AUTHORIZE_ALL 1
#define USB_AUTHORIZE_INTERNAL 2
-static int authorized_default = USB_AUTHORIZE_WIRED;
+static int authorized_default = USB_AUTHORIZE_ALL;
module_param(authorized_default, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(authorized_default,
- "Default USB device authorization: 0 is not authorized, 1 is "
- "authorized, 2 is authorized for internal devices, -1 is "
- "authorized (default, same as 1)");
+ "Default USB device authorization: 0 is not authorized, 1 is authorized (default), 2 is authorized for internal devices, -1 is authorized (same as 1)");
/*-------------------------------------------------------------------------*/
/**
--
GitLab
From bec7e43b162c58798e6dc30d8e70d1e2318aaf2d Mon Sep 17 00:00:00 2001
From: Niko Mauno <niko.mauno@vaisala.com>
Date: Fri, 5 Jan 2024 13:49:56 +0200
Subject: [PATCH 0139/2686] usb: core: Make default authorization mode
configurable
Make the default USB device authorization mode configurable at build
time. This is useful for systems that require a mode that is stricter
than the standard setting, as it avoids relying on the kernel command
line being properly set.
Signed-off-by: Niko Mauno <niko.mauno@vaisala.com>
Link: https://lore.kernel.org/r/20240105114956.30714-2-niko.mauno@vaisala.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/Kconfig | 17 +++++++++++++++++
drivers/usb/core/hcd.c | 2 +-
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index 351ede4b5de20..f337aaea76042 100644
--- a/drivers/usb/core/Kconfig
+++ b/drivers/usb/core/Kconfig
@@ -116,3 +116,20 @@ config USB_AUTOSUSPEND_DELAY
The default value Linux has always had is 2 seconds. Change
this value if you want a different delay and cannot modify
the command line or module parameter.
+
+config USB_DEFAULT_AUTHORIZATION_MODE
+ int "Default authorization mode for USB devices"
+ range 0 2
+ default 1
+ depends on USB
+ help
+ Select the default USB device authorization mode. Can be overridden
+ with usbcore.authorized_default command line or module parameter.
+
+ The available values have the following meanings:
+ 0 is unauthorized for all devices
+ 1 is authorized for all devices (default)
+ 2 is authorized for internal devices
+
+ If the default value is too permissive but you are unsure which mode
+ to use, say 2.
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 9aa5e6bf9b9d9..d56597dc7d422 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -357,7 +357,7 @@ static const u8 ss_rh_config_descriptor[] = {
#define USB_AUTHORIZE_ALL 1
#define USB_AUTHORIZE_INTERNAL 2
-static int authorized_default = USB_AUTHORIZE_ALL;
+static int authorized_default = CONFIG_USB_DEFAULT_AUTHORIZATION_MODE;
module_param(authorized_default, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(authorized_default,
"Default USB device authorization: 0 is not authorized, 1 is authorized (default), 2 is authorized for internal devices, -1 is authorized (same as 1)");
--
GitLab
From 5de5f1e292e56fe4b8d28923d325f4c16f3766cf Mon Sep 17 00:00:00 2001
From: Stanley Chang <stanley_chang@realtek.com>
Date: Wed, 13 Dec 2023 11:10:06 +0800
Subject: [PATCH 0140/2686] phy: core: add notify_connect and notify_disconnect
callback
In Realtek SoC, the parameter of usb phy is designed to be able to
do dynamic tuning based in the port status. Therefore, add a notify
callback of phy driver when usb connection/disconnection change.
Signed-off-by: Stanley Chang <stanley_chang@realtek.com>
Link: https://lore.kernel.org/r/20231213031203.4911-1-stanley_chang@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/phy/phy-core.c | 47 +++++++++++++++++++++++++++++++++++++++++
include/linux/phy/phy.h | 21 ++++++++++++++++++
2 files changed, 68 insertions(+)
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index d9be6a4d53838..2e8b07eb637a9 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -489,6 +489,53 @@ int phy_calibrate(struct phy *phy)
}
EXPORT_SYMBOL_GPL(phy_calibrate);
+/**
+ * phy_notify_connect() - phy connect notification
+ * @phy: the phy returned by phy_get()
+ * @port: the port index for connect
+ *
+ * If the phy needs to get connection status, the callback can be used.
+ * Returns: %0 if successful, a negative error code otherwise
+ */
+int phy_notify_connect(struct phy *phy, int port)
+{
+ int ret;
+
+ if (!phy || !phy->ops->connect)
+ return 0;
+
+ mutex_lock(&phy->mutex);
+ ret = phy->ops->connect(phy, port);
+ mutex_unlock(&phy->mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(phy_notify_connect);
+
+/**
+ * phy_notify_disconnect() - phy disconnect notification
+ * @phy: the phy returned by phy_get()
+ * @port: the port index for disconnect
+ *
+ * If the phy needs to get connection status, the callback can be used.
+ *
+ * Returns: %0 if successful, a negative error code otherwise
+ */
+int phy_notify_disconnect(struct phy *phy, int port)
+{
+ int ret;
+
+ if (!phy || !phy->ops->disconnect)
+ return 0;
+
+ mutex_lock(&phy->mutex);
+ ret = phy->ops->disconnect(phy, port);
+ mutex_unlock(&phy->mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(phy_notify_disconnect);
+
/**
* phy_configure() - Changes the phy parameters
* @phy: the phy returned by phy_get()
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index f6d607ef0e801..aa76609ba2580 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -122,6 +122,11 @@ struct phy_ops {
union phy_configure_opts *opts);
int (*reset)(struct phy *phy);
int (*calibrate)(struct phy *phy);
+
+ /* notify phy connect status change */
+ int (*connect)(struct phy *phy, int port);
+ int (*disconnect)(struct phy *phy, int port);
+
void (*release)(struct phy *phy);
struct module *owner;
};
@@ -243,6 +248,8 @@ static inline enum phy_mode phy_get_mode(struct phy *phy)
}
int phy_reset(struct phy *phy);
int phy_calibrate(struct phy *phy);
+int phy_notify_connect(struct phy *phy, int port);
+int phy_notify_disconnect(struct phy *phy, int port);
static inline int phy_get_bus_width(struct phy *phy)
{
return phy->attrs.bus_width;
@@ -396,6 +403,20 @@ static inline int phy_calibrate(struct phy *phy)
return -ENOSYS;
}
+static inline int phy_notify_connect(struct phy *phy, int index)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
+static inline int phy_notify_disconnect(struct phy *phy, int index)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
static inline int phy_configure(struct phy *phy,
union phy_configure_opts *opts)
{
--
GitLab
From eeda494542e55b603c7b80e14bfc5ee4ab7f9814 Mon Sep 17 00:00:00 2001
From: Stanley Chang <stanley_chang@realtek.com>
Date: Wed, 13 Dec 2023 11:10:07 +0800
Subject: [PATCH 0141/2686] phy: realtek: usb: add new driver for the Realtek
RTD SoC USB 2.0 PHY
Realtek DHC (digital home center) RTD SoCs support DWC3 XHCI USB
controller. Added the driver to drive the USB 2.0 PHY transceivers.
Note: New driver,remove the port status notification on legacy USB PHY.
Use the generic PHY to notify the usb device connect and disconnect.
To avoid using these PHYs would require describing the very same
PHY using both the generic "phy" property and the deprecated "usb-phy"
property.
Signed-off-by: Stanley Chang <stanley_chang@realtek.com>
Link: https://lore.kernel.org/r/20231213031203.4911-2-stanley_chang@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/phy/Kconfig | 1 +
drivers/phy/Makefile | 1 +
drivers/phy/realtek/Kconfig | 20 +
drivers/phy/realtek/Makefile | 2 +
drivers/phy/realtek/phy-rtk-usb2.c | 1312 ++++++++++++++++++++++++++++
5 files changed, 1336 insertions(+)
create mode 100644 drivers/phy/realtek/Kconfig
create mode 100644 drivers/phy/realtek/Makefile
create mode 100644 drivers/phy/realtek/phy-rtk-usb2.c
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 4cef568231bf0..787354b849c75 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -87,6 +87,7 @@ source "drivers/phy/motorola/Kconfig"
source "drivers/phy/mscc/Kconfig"
source "drivers/phy/qualcomm/Kconfig"
source "drivers/phy/ralink/Kconfig"
+source "drivers/phy/realtek/Kconfig"
source "drivers/phy/renesas/Kconfig"
source "drivers/phy/rockchip/Kconfig"
source "drivers/phy/samsung/Kconfig"
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index fb3dc9de61115..868a220ed0f6d 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -26,6 +26,7 @@ obj-y += allwinner/ \
mscc/ \
qualcomm/ \
ralink/ \
+ realtek/ \
renesas/ \
rockchip/ \
samsung/ \
diff --git a/drivers/phy/realtek/Kconfig b/drivers/phy/realtek/Kconfig
new file mode 100644
index 0000000000000..7455877510709
--- /dev/null
+++ b/drivers/phy/realtek/Kconfig
@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Phy drivers for Realtek platforms
+#
+
+if ARCH_REALTEK || COMPILE_TEST
+
+config PHY_RTK_RTD_USB2PHY
+ tristate "Realtek RTD USB2 PHY Transceiver Driver"
+ depends on USB_SUPPORT
+ select GENERIC_PHY
+ select USB_PHY
+ select USB_COMMON
+ help
+ Enable this to support Realtek SoC USB2 phy transceiver.
+ The DHC (digital home center) RTD series SoCs used the Synopsys
+ DWC3 USB IP. This driver will do the PHY initialization
+ of the parameters.
+
+endif # ARCH_REALTEK || COMPILE_TEST
diff --git a/drivers/phy/realtek/Makefile b/drivers/phy/realtek/Makefile
new file mode 100644
index 0000000000000..cf5d440841a27
--- /dev/null
+++ b/drivers/phy/realtek/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_PHY_RTK_RTD_USB2PHY) += phy-rtk-usb2.o
diff --git a/drivers/phy/realtek/phy-rtk-usb2.c b/drivers/phy/realtek/phy-rtk-usb2.c
new file mode 100644
index 0000000000000..e3ad7cea51099
--- /dev/null
+++ b/drivers/phy/realtek/phy-rtk-usb2.c
@@ -0,0 +1,1312 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * phy-rtk-usb2.c RTK usb2.0 PHY driver
+ *
+ * Copyright (C) 2023 Realtek Semiconductor Corporation
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/uaccess.h>
+#include <linux/debugfs.h>
+#include <linux/nvmem-consumer.h>
+#include <linux/regmap.h>
+#include <linux/sys_soc.h>
+#include <linux/mfd/syscon.h>
+#include <linux/phy/phy.h>
+#include <linux/usb.h>
+
+/* GUSB2PHYACCn register */
+#define PHY_NEW_REG_REQ BIT(25)
+#define PHY_VSTS_BUSY BIT(23)
+#define PHY_VCTRL_SHIFT 8
+#define PHY_REG_DATA_MASK 0xff
+
+#define GET_LOW_NIBBLE(addr) ((addr) & 0x0f)
+#define GET_HIGH_NIBBLE(addr) (((addr) & 0xf0) >> 4)
+
+#define EFUS_USB_DC_CAL_RATE 2
+#define EFUS_USB_DC_CAL_MAX 7
+
+#define EFUS_USB_DC_DIS_RATE 1
+#define EFUS_USB_DC_DIS_MAX 7
+
+#define MAX_PHY_DATA_SIZE 20
+#define OFFEST_PHY_READ 0x20
+
+#define MAX_USB_PHY_NUM 4
+#define MAX_USB_PHY_PAGE0_DATA_SIZE 16
+#define MAX_USB_PHY_PAGE1_DATA_SIZE 16
+#define MAX_USB_PHY_PAGE2_DATA_SIZE 8
+
+#define SET_PAGE_OFFSET 0xf4
+#define SET_PAGE_0 0x9b
+#define SET_PAGE_1 0xbb
+#define SET_PAGE_2 0xdb
+
+#define PAGE_START 0xe0
+#define PAGE0_0XE4 0xe4
+#define PAGE0_0XE6 0xe6
+#define PAGE0_0XE7 0xe7
+#define PAGE1_0XE0 0xe0
+#define PAGE1_0XE2 0xe2
+
+#define SENSITIVITY_CTRL (BIT(4) | BIT(5) | BIT(6))
+#define ENABLE_AUTO_SENSITIVITY_CALIBRATION BIT(2)
+#define DEFAULT_DC_DRIVING_VALUE (0x8)
+#define DEFAULT_DC_DISCONNECTION_VALUE (0x6)
+#define HS_CLK_SELECT BIT(6)
+
+struct phy_reg {
+ void __iomem *reg_wrap_vstatus;
+ void __iomem *reg_gusb2phyacc0;
+ int vstatus_index;
+};
+
+struct phy_data {
+ u8 addr;
+ u8 data;
+};
+
+struct phy_cfg {
+ int page0_size;
+ struct phy_data page0[MAX_USB_PHY_PAGE0_DATA_SIZE];
+ int page1_size;
+ struct phy_data page1[MAX_USB_PHY_PAGE1_DATA_SIZE];
+ int page2_size;
+ struct phy_data page2[MAX_USB_PHY_PAGE2_DATA_SIZE];
+
+ int num_phy;
+
+ bool check_efuse;
+ int check_efuse_version;
+#define CHECK_EFUSE_V1 1
+#define CHECK_EFUSE_V2 2
+ int efuse_dc_driving_rate;
+ int efuse_dc_disconnect_rate;
+ int dc_driving_mask;
+ int dc_disconnect_mask;
+ bool usb_dc_disconnect_at_page0;
+ int driving_updated_for_dev_dis;
+
+ bool do_toggle;
+ bool do_toggle_driving;
+ bool use_default_parameter;
+ bool is_double_sensitivity_mode;
+};
+
+struct phy_parameter {
+ struct phy_reg phy_reg;
+
+ /* Get from efuse */
+ s8 efuse_usb_dc_cal;
+ s8 efuse_usb_dc_dis;
+
+ /* Get from dts */
+ bool inverse_hstx_sync_clock;
+ u32 driving_level;
+ s32 driving_level_compensate;
+ s32 disconnection_compensate;
+};
+
+struct rtk_phy {
+ struct device *dev;
+
+ struct phy_cfg *phy_cfg;
+ int num_phy;
+ struct phy_parameter *phy_parameter;
+
+ struct dentry *debug_dir;
+};
+
+/* mapping 0xE0 to 0 ... 0xE7 to 7, 0xF0 to 8 ,,, 0xF7 to 15 */
+static inline int page_addr_to_array_index(u8 addr)
+{
+ return (int)((((addr) - PAGE_START) & 0x7) +
+ ((((addr) - PAGE_START) & 0x10) >> 1));
+}
+
+static inline u8 array_index_to_page_addr(int index)
+{
+ return ((((index) + PAGE_START) & 0x7) +
+ ((((index) & 0x8) << 1) + PAGE_START));
+}
+
+#define PHY_IO_TIMEOUT_USEC (50000)
+#define PHY_IO_DELAY_US (100)
+
+static inline int utmi_wait_register(void __iomem *reg, u32 mask, u32 result)
+{
+ int ret;
+ unsigned int val;
+
+ ret = read_poll_timeout(readl, val, ((val & mask) == result),
+ PHY_IO_DELAY_US, PHY_IO_TIMEOUT_USEC, false, reg);
+ if (ret) {
+ pr_err("%s can't program USB phy\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static char rtk_phy_read(struct phy_reg *phy_reg, char addr)
+{
+ void __iomem *reg_gusb2phyacc0 = phy_reg->reg_gusb2phyacc0;
+ unsigned int val;
+ int ret = 0;
+
+ addr -= OFFEST_PHY_READ;
+
+ /* polling until VBusy == 0 */
+ ret = utmi_wait_register(reg_gusb2phyacc0, PHY_VSTS_BUSY, 0);
+ if (ret)
+ return (char)ret;
+
+ /* VCtrl = low nibble of addr, and set PHY_NEW_REG_REQ */
+ val = PHY_NEW_REG_REQ | (GET_LOW_NIBBLE(addr) << PHY_VCTRL_SHIFT);
+ writel(val, reg_gusb2phyacc0);
+ ret = utmi_wait_register(reg_gusb2phyacc0, PHY_VSTS_BUSY, 0);
+ if (ret)
+ return (char)ret;
+
+ /* VCtrl = high nibble of addr, and set PHY_NEW_REG_REQ */
+ val = PHY_NEW_REG_REQ | (GET_HIGH_NIBBLE(addr) << PHY_VCTRL_SHIFT);
+ writel(val, reg_gusb2phyacc0);
+ ret = utmi_wait_register(reg_gusb2phyacc0, PHY_VSTS_BUSY, 0);
+ if (ret)
+ return (char)ret;
+
+ val = readl(reg_gusb2phyacc0);
+
+ return (char)(val & PHY_REG_DATA_MASK);
+}
+
+static int rtk_phy_write(struct phy_reg *phy_reg, char addr, char data)
+{
+ unsigned int val;
+ void __iomem *reg_wrap_vstatus = phy_reg->reg_wrap_vstatus;
+ void __iomem *reg_gusb2phyacc0 = phy_reg->reg_gusb2phyacc0;
+ int shift_bits = phy_reg->vstatus_index * 8;
+ int ret = 0;
+
+ /* write data to VStatusOut2 (data output to phy) */
+ writel((u32)data << shift_bits, reg_wrap_vstatus);
+
+ ret = utmi_wait_register(reg_gusb2phyacc0, PHY_VSTS_BUSY, 0);
+ if (ret)
+ return ret;
+
+ /* VCtrl = low nibble of addr, set PHY_NEW_REG_REQ */
+ val = PHY_NEW_REG_REQ | (GET_LOW_NIBBLE(addr) << PHY_VCTRL_SHIFT);
+
+ writel(val, reg_gusb2phyacc0);
+ ret = utmi_wait_register(reg_gusb2phyacc0, PHY_VSTS_BUSY, 0);
+ if (ret)
+ return ret;
+
+ /* VCtrl = high nibble of addr, set PHY_NEW_REG_REQ */
+ val = PHY_NEW_REG_REQ | (GET_HIGH_NIBBLE(addr) << PHY_VCTRL_SHIFT);
+
+ writel(val, reg_gusb2phyacc0);
+ ret = utmi_wait_register(reg_gusb2phyacc0, PHY_VSTS_BUSY, 0);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int rtk_phy_set_page(struct phy_reg *phy_reg, int page)
+{
+ switch (page) {
+ case 0:
+ return rtk_phy_write(phy_reg, SET_PAGE_OFFSET, SET_PAGE_0);
+ case 1:
+ return rtk_phy_write(phy_reg, SET_PAGE_OFFSET, SET_PAGE_1);
+ case 2:
+ return rtk_phy_write(phy_reg, SET_PAGE_OFFSET, SET_PAGE_2);
+ default:
+ pr_err("%s error page=%d\n", __func__, page);
+ }
+
+ return -EINVAL;
+}
+
+static u8 __updated_dc_disconnect_level_page0_0xe4(struct phy_cfg *phy_cfg,
+ struct phy_parameter *phy_parameter, u8 data)
+{
+ u8 ret;
+ s32 val;
+ s32 dc_disconnect_mask = phy_cfg->dc_disconnect_mask;
+ int offset = 4;
+
+ val = (s32)((data >> offset) & dc_disconnect_mask)
+ + phy_parameter->efuse_usb_dc_dis
+ + phy_parameter->disconnection_compensate;
+
+ if (val > dc_disconnect_mask)
+ val = dc_disconnect_mask;
+ else if (val < 0)
+ val = 0;
+
+ ret = (data & (~(dc_disconnect_mask << offset))) |
+ (val & dc_disconnect_mask) << offset;
+
+ return ret;
+}
+
+/* updated disconnect level at page0 */
+static void update_dc_disconnect_level_at_page0(struct rtk_phy *rtk_phy,
+ struct phy_parameter *phy_parameter, bool update)
+{
+ struct phy_cfg *phy_cfg;
+ struct phy_reg *phy_reg;
+ struct phy_data *phy_data_page;
+ struct phy_data *phy_data;
+ u8 addr, data;
+ int offset = 4;
+ s32 dc_disconnect_mask;
+ int i;
+
+ phy_cfg = rtk_phy->phy_cfg;
+ phy_reg = &phy_parameter->phy_reg;
+
+ /* Set page 0 */
+ phy_data_page = phy_cfg->page0;
+ rtk_phy_set_page(phy_reg, 0);
+
+ i = page_addr_to_array_index(PAGE0_0XE4);
+ phy_data = phy_data_page + i;
+ if (!phy_data->addr) {
+ phy_data->addr = PAGE0_0XE4;
+ phy_data->data = rtk_phy_read(phy_reg, PAGE0_0XE4);
+ }
+
+ addr = phy_data->addr;
+ data = phy_data->data;
+ dc_disconnect_mask = phy_cfg->dc_disconnect_mask;
+
+ if (update)
+ data = __updated_dc_disconnect_level_page0_0xe4(phy_cfg, phy_parameter, data);
+ else
+ data = (data & ~(dc_disconnect_mask << offset)) |
+ (DEFAULT_DC_DISCONNECTION_VALUE << offset);
+
+ if (rtk_phy_write(phy_reg, addr, data))
+ dev_err(rtk_phy->dev,
+ "%s: Error to set page1 parameter addr=0x%x value=0x%x\n",
+ __func__, addr, data);
+}
+
+static u8 __updated_dc_disconnect_level_page1_0xe2(struct phy_cfg *phy_cfg,
+ struct phy_parameter *phy_parameter, u8 data)
+{
+ u8 ret;
+ s32 val;
+ s32 dc_disconnect_mask = phy_cfg->dc_disconnect_mask;
+
+ if (phy_cfg->check_efuse_version == CHECK_EFUSE_V1) {
+ val = (s32)(data & dc_disconnect_mask)
+ + phy_parameter->efuse_usb_dc_dis
+ + phy_parameter->disconnection_compensate;
+ } else { /* for CHECK_EFUSE_V2 or no efuse */
+ if (phy_parameter->efuse_usb_dc_dis)
+ val = (s32)(phy_parameter->efuse_usb_dc_dis +
+ phy_parameter->disconnection_compensate);
+ else
+ val = (s32)((data & dc_disconnect_mask) +
+ phy_parameter->disconnection_compensate);
+ }
+
+ if (val > dc_disconnect_mask)
+ val = dc_disconnect_mask;
+ else if (val < 0)
+ val = 0;
+
+ ret = (data & (~dc_disconnect_mask)) | (val & dc_disconnect_mask);
+
+ return ret;
+}
+
+/* updated disconnect level at page1 */
+static void update_dc_disconnect_level_at_page1(struct rtk_phy *rtk_phy,
+ struct phy_parameter *phy_parameter, bool update)
+{
+ struct phy_cfg *phy_cfg;
+ struct phy_data *phy_data_page;
+ struct phy_data *phy_data;
+ struct phy_reg *phy_reg;
+ u8 addr, data;
+ s32 dc_disconnect_mask;
+ int i;
+
+ phy_cfg = rtk_phy->phy_cfg;
+ phy_reg = &phy_parameter->phy_reg;
+
+ /* Set page 1 */
+ phy_data_page = phy_cfg->page1;
+ rtk_phy_set_page(phy_reg, 1);
+
+ i = page_addr_to_array_index(PAGE1_0XE2);
+ phy_data = phy_data_page + i;
+ if (!phy_data->addr) {
+ phy_data->addr = PAGE1_0XE2;
+ phy_data->data = rtk_phy_read(phy_reg, PAGE1_0XE2);
+ }
+
+ addr = phy_data->addr;
+ data = phy_data->data;
+ dc_disconnect_mask = phy_cfg->dc_disconnect_mask;
+
+ if (update)
+ data = __updated_dc_disconnect_level_page1_0xe2(phy_cfg, phy_parameter, data);
+ else
+ data = (data & ~dc_disconnect_mask) | DEFAULT_DC_DISCONNECTION_VALUE;
+
+ if (rtk_phy_write(phy_reg, addr, data))
+ dev_err(rtk_phy->dev,
+ "%s: Error to set page1 parameter addr=0x%x value=0x%x\n",
+ __func__, addr, data);
+}
+
+static void update_dc_disconnect_level(struct rtk_phy *rtk_phy,
+ struct phy_parameter *phy_parameter, bool update)
+{
+ struct phy_cfg *phy_cfg = rtk_phy->phy_cfg;
+
+ if (phy_cfg->usb_dc_disconnect_at_page0)
+ update_dc_disconnect_level_at_page0(rtk_phy, phy_parameter, update);
+ else
+ update_dc_disconnect_level_at_page1(rtk_phy, phy_parameter, update);
+}
+
+static u8 __update_dc_driving_page0_0xe4(struct phy_cfg *phy_cfg,
+ struct phy_parameter *phy_parameter, u8 data)
+{
+ s32 driving_level_compensate = phy_parameter->driving_level_compensate;
+ s32 dc_driving_mask = phy_cfg->dc_driving_mask;
+ s32 val;
+ u8 ret;
+
+ if (phy_cfg->check_efuse_version == CHECK_EFUSE_V1) {
+ val = (s32)(data & dc_driving_mask) + driving_level_compensate
+ + phy_parameter->efuse_usb_dc_cal;
+ } else { /* for CHECK_EFUSE_V2 or no efuse */
+ if (phy_parameter->efuse_usb_dc_cal)
+ val = (s32)((phy_parameter->efuse_usb_dc_cal & dc_driving_mask)
+ + driving_level_compensate);
+ else
+ val = (s32)(data & dc_driving_mask);
+ }
+
+ if (val > dc_driving_mask)
+ val = dc_driving_mask;
+ else if (val < 0)
+ val = 0;
+
+ ret = (data & (~dc_driving_mask)) | (val & dc_driving_mask);
+
+ return ret;
+}
+
+static void update_dc_driving_level(struct rtk_phy *rtk_phy,
+ struct phy_parameter *phy_parameter)
+{
+ struct phy_cfg *phy_cfg;
+ struct phy_reg *phy_reg;
+
+ phy_reg = &phy_parameter->phy_reg;
+ phy_cfg = rtk_phy->phy_cfg;
+ if (!phy_cfg->page0[4].addr) {
+ rtk_phy_set_page(phy_reg, 0);
+ phy_cfg->page0[4].addr = PAGE0_0XE4;
+ phy_cfg->page0[4].data = rtk_phy_read(phy_reg, PAGE0_0XE4);
+ }
+
+ if (phy_parameter->driving_level != DEFAULT_DC_DRIVING_VALUE) {
+ u32 dc_driving_mask;
+ u8 driving_level;
+ u8 data;
+
+ data = phy_cfg->page0[4].data;
+ dc_driving_mask = phy_cfg->dc_driving_mask;
+ driving_level = data & dc_driving_mask;
+
+ dev_dbg(rtk_phy->dev, "%s driving_level=%d => dts driving_level=%d\n",
+ __func__, driving_level, phy_parameter->driving_level);
+
+ phy_cfg->page0[4].data = (data & (~dc_driving_mask)) |
+ (phy_parameter->driving_level & dc_driving_mask);
+ }
+
+ phy_cfg->page0[4].data = __update_dc_driving_page0_0xe4(phy_cfg,
+ phy_parameter,
+ phy_cfg->page0[4].data);
+}
+
+static void update_hs_clk_select(struct rtk_phy *rtk_phy,
+ struct phy_parameter *phy_parameter)
+{
+ struct phy_cfg *phy_cfg;
+ struct phy_reg *phy_reg;
+
+ phy_cfg = rtk_phy->phy_cfg;
+ phy_reg = &phy_parameter->phy_reg;
+
+ if (phy_parameter->inverse_hstx_sync_clock) {
+ if (!phy_cfg->page0[6].addr) {
+ rtk_phy_set_page(phy_reg, 0);
+ phy_cfg->page0[6].addr = PAGE0_0XE6;
+ phy_cfg->page0[6].data = rtk_phy_read(phy_reg, PAGE0_0XE6);
+ }
+
+ phy_cfg->page0[6].data = phy_cfg->page0[6].data | HS_CLK_SELECT;
+ }
+}
+
+static void do_rtk_phy_toggle(struct rtk_phy *rtk_phy,
+ int index, bool connect)
+{
+ struct phy_parameter *phy_parameter;
+ struct phy_cfg *phy_cfg;
+ struct phy_reg *phy_reg;
+ struct phy_data *phy_data_page;
+ u8 addr, data;
+ int i;
+
+ phy_cfg = rtk_phy->phy_cfg;
+ phy_parameter = &((struct phy_parameter *)rtk_phy->phy_parameter)[index];
+ phy_reg = &phy_parameter->phy_reg;
+
+ if (!phy_cfg->do_toggle)
+ goto out;
+
+ if (phy_cfg->is_double_sensitivity_mode)
+ goto do_toggle_driving;
+
+ /* Set page 0 */
+ rtk_phy_set_page(phy_reg, 0);
+
+ addr = PAGE0_0XE7;
+ data = rtk_phy_read(phy_reg, addr);
+
+ if (connect)
+ rtk_phy_write(phy_reg, addr, data & (~SENSITIVITY_CTRL));
+ else
+ rtk_phy_write(phy_reg, addr, data | (SENSITIVITY_CTRL));
+
+do_toggle_driving:
+
+ if (!phy_cfg->do_toggle_driving)
+ goto do_toggle;
+
+ /* Page 0 addr 0xE4 driving capability */
+
+ /* Set page 0 */
+ phy_data_page = phy_cfg->page0;
+ rtk_phy_set_page(phy_reg, 0);
+
+ i = page_addr_to_array_index(PAGE0_0XE4);
+ addr = phy_data_page[i].addr;
+ data = phy_data_page[i].data;
+
+ if (connect) {
+ rtk_phy_write(phy_reg, addr, data);
+ } else {
+ u8 value;
+ s32 tmp;
+ s32 driving_updated =
+ phy_cfg->driving_updated_for_dev_dis;
+ s32 dc_driving_mask = phy_cfg->dc_driving_mask;
+
+ tmp = (s32)(data & dc_driving_mask) + driving_updated;
+
+ if (tmp > dc_driving_mask)
+ tmp = dc_driving_mask;
+ else if (tmp < 0)
+ tmp = 0;
+
+ value = (data & (~dc_driving_mask)) | (tmp & dc_driving_mask);
+
+ rtk_phy_write(phy_reg, addr, value);
+ }
+
+do_toggle:
+ /* restore dc disconnect level before toggle */
+ update_dc_disconnect_level(rtk_phy, phy_parameter, false);
+
+ /* Set page 1 */
+ rtk_phy_set_page(phy_reg, 1);
+
+ addr = PAGE1_0XE0;
+ data = rtk_phy_read(phy_reg, addr);
+
+ rtk_phy_write(phy_reg, addr, data &
+ (~ENABLE_AUTO_SENSITIVITY_CALIBRATION));
+ mdelay(1);
+ rtk_phy_write(phy_reg, addr, data |
+ (ENABLE_AUTO_SENSITIVITY_CALIBRATION));
+
+ /* update dc disconnect level after toggle */
+ update_dc_disconnect_level(rtk_phy, phy_parameter, true);
+
+out:
+ return;
+}
+
+static int do_rtk_phy_init(struct rtk_phy *rtk_phy, int index)
+{
+ struct phy_parameter *phy_parameter;
+ struct phy_cfg *phy_cfg;
+ struct phy_data *phy_data_page;
+ struct phy_reg *phy_reg;
+ int i;
+
+ phy_cfg = rtk_phy->phy_cfg;
+ phy_parameter = &((struct phy_parameter *)rtk_phy->phy_parameter)[index];
+ phy_reg = &phy_parameter->phy_reg;
+
+ if (phy_cfg->use_default_parameter) {
+ dev_dbg(rtk_phy->dev, "%s phy#%d use default parameter\n",
+ __func__, index);
+ goto do_toggle;
+ }
+
+ /* Set page 0 */
+ phy_data_page = phy_cfg->page0;
+ rtk_phy_set_page(phy_reg, 0);
+
+ for (i = 0; i < phy_cfg->page0_size; i++) {
+ struct phy_data *phy_data = phy_data_page + i;
+ u8 addr = phy_data->addr;
+ u8 data = phy_data->data;
+
+ if (!addr)
+ continue;
+
+ if (rtk_phy_write(phy_reg, addr, data)) {
+ dev_err(rtk_phy->dev,
+ "%s: Error to set page0 parameter addr=0x%x value=0x%x\n",
+ __func__, addr, data);
+ return -EINVAL;
+ }
+ }
+
+ /* Set page 1 */
+ phy_data_page = phy_cfg->page1;
+ rtk_phy_set_page(phy_reg, 1);
+
+ for (i = 0; i < phy_cfg->page1_size; i++) {
+ struct phy_data *phy_data = phy_data_page + i;
+ u8 addr = phy_data->addr;
+ u8 data = phy_data->data;
+
+ if (!addr)
+ continue;
+
+ if (rtk_phy_write(phy_reg, addr, data)) {
+ dev_err(rtk_phy->dev,
+ "%s: Error to set page1 parameter addr=0x%x value=0x%x\n",
+ __func__, addr, data);
+ return -EINVAL;
+ }
+ }
+
+ if (phy_cfg->page2_size == 0)
+ goto do_toggle;
+
+ /* Set page 2 */
+ phy_data_page = phy_cfg->page2;
+ rtk_phy_set_page(phy_reg, 2);
+
+ for (i = 0; i < phy_cfg->page2_size; i++) {
+ struct phy_data *phy_data = phy_data_page + i;
+ u8 addr = phy_data->addr;
+ u8 data = phy_data->data;
+
+ if (!addr)
+ continue;
+
+ if (rtk_phy_write(phy_reg, addr, data)) {
+ dev_err(rtk_phy->dev,
+ "%s: Error to set page2 parameter addr=0x%x value=0x%x\n",
+ __func__, addr, data);
+ return -EINVAL;
+ }
+ }
+
+do_toggle:
+ do_rtk_phy_toggle(rtk_phy, index, false);
+
+ return 0;
+}
+
+static int rtk_phy_init(struct phy *phy)
+{
+ struct rtk_phy *rtk_phy = phy_get_drvdata(phy);
+ unsigned long phy_init_time = jiffies;
+ int i, ret = 0;
+
+ if (!rtk_phy)
+ return -EINVAL;
+
+ for (i = 0; i < rtk_phy->num_phy; i++)
+ ret = do_rtk_phy_init(rtk_phy, i);
+
+ dev_dbg(rtk_phy->dev, "Initialized RTK USB 2.0 PHY (take %dms)\n",
+ jiffies_to_msecs(jiffies - phy_init_time));
+ return ret;
+}
+
+static int rtk_phy_exit(struct phy *phy)
+{
+ return 0;
+}
+
+static void rtk_phy_toggle(struct rtk_phy *rtk_phy, bool connect, int port)
+{
+ int index = port;
+
+ if (index > rtk_phy->num_phy) {
+ dev_err(rtk_phy->dev, "%s: The port=%d is not in usb phy (num_phy=%d)\n",
+ __func__, index, rtk_phy->num_phy);
+ return;
+ }
+
+ do_rtk_phy_toggle(rtk_phy, index, connect);
+}
+
+static int rtk_phy_connect(struct phy *phy, int port)
+{
+ struct rtk_phy *rtk_phy = phy_get_drvdata(phy);
+
+ dev_dbg(rtk_phy->dev, "%s port=%d\n", __func__, port);
+ rtk_phy_toggle(rtk_phy, true, port);
+
+ return 0;
+}
+
+static int rtk_phy_disconnect(struct phy *phy, int port)
+{
+ struct rtk_phy *rtk_phy = phy_get_drvdata(phy);
+
+ dev_dbg(rtk_phy->dev, "%s port=%d\n", __func__, port);
+ rtk_phy_toggle(rtk_phy, false, port);
+
+ return 0;
+}
+
+static const struct phy_ops ops = {
+ .init = rtk_phy_init,
+ .exit = rtk_phy_exit,
+ .connect = rtk_phy_connect,
+ .disconnect = rtk_phy_disconnect,
+ .owner = THIS_MODULE,
+};
+
+#ifdef CONFIG_DEBUG_FS
+static struct dentry *create_phy_debug_root(void)
+{
+ struct dentry *phy_debug_root;
+
+ phy_debug_root = debugfs_lookup("phy", usb_debug_root);
+ if (!phy_debug_root)
+ phy_debug_root = debugfs_create_dir("phy", usb_debug_root);
+
+ return phy_debug_root;
+}
+
+static int rtk_usb2_parameter_show(struct seq_file *s, void *unused)
+{
+ struct rtk_phy *rtk_phy = s->private;
+ struct phy_cfg *phy_cfg;
+ int i, index;
+
+ phy_cfg = rtk_phy->phy_cfg;
+
+ seq_puts(s, "Property:\n");
+ seq_printf(s, " check_efuse: %s\n",
+ phy_cfg->check_efuse ? "Enable" : "Disable");
+ seq_printf(s, " check_efuse_version: %d\n",
+ phy_cfg->check_efuse_version);
+ seq_printf(s, " efuse_dc_driving_rate: %d\n",
+ phy_cfg->efuse_dc_driving_rate);
+ seq_printf(s, " dc_driving_mask: 0x%x\n",
+ phy_cfg->dc_driving_mask);
+ seq_printf(s, " efuse_dc_disconnect_rate: %d\n",
+ phy_cfg->efuse_dc_disconnect_rate);
+ seq_printf(s, " dc_disconnect_mask: 0x%x\n",
+ phy_cfg->dc_disconnect_mask);
+ seq_printf(s, " usb_dc_disconnect_at_page0: %s\n",
+ phy_cfg->usb_dc_disconnect_at_page0 ? "true" : "false");
+ seq_printf(s, " do_toggle: %s\n",
+ phy_cfg->do_toggle ? "Enable" : "Disable");
+ seq_printf(s, " do_toggle_driving: %s\n",
+ phy_cfg->do_toggle_driving ? "Enable" : "Disable");
+ seq_printf(s, " driving_updated_for_dev_dis: 0x%x\n",
+ phy_cfg->driving_updated_for_dev_dis);
+ seq_printf(s, " use_default_parameter: %s\n",
+ phy_cfg->use_default_parameter ? "Enable" : "Disable");
+ seq_printf(s, " is_double_sensitivity_mode: %s\n",
+ phy_cfg->is_double_sensitivity_mode ? "Enable" : "Disable");
+
+ for (index = 0; index < rtk_phy->num_phy; index++) {
+ struct phy_parameter *phy_parameter;
+ struct phy_reg *phy_reg;
+ struct phy_data *phy_data_page;
+
+ phy_parameter = &((struct phy_parameter *)rtk_phy->phy_parameter)[index];
+ phy_reg = &phy_parameter->phy_reg;
+
+ seq_printf(s, "PHY %d:\n", index);
+
+ seq_puts(s, "Page 0:\n");
+ /* Set page 0 */
+ phy_data_page = phy_cfg->page0;
+ rtk_phy_set_page(phy_reg, 0);
+
+ for (i = 0; i < phy_cfg->page0_size; i++) {
+ struct phy_data *phy_data = phy_data_page + i;
+ u8 addr = array_index_to_page_addr(i);
+ u8 data = phy_data->data;
+ u8 value = rtk_phy_read(phy_reg, addr);
+
+ if (phy_data->addr)
+ seq_printf(s, " Page 0: addr=0x%x data=0x%02x ==> read value=0x%02x\n",
+ addr, data, value);
+ else
+ seq_printf(s, " Page 0: addr=0x%x data=none ==> read value=0x%02x\n",
+ addr, value);
+ }
+
+ seq_puts(s, "Page 1:\n");
+ /* Set page 1 */
+ phy_data_page = phy_cfg->page1;
+ rtk_phy_set_page(phy_reg, 1);
+
+ for (i = 0; i < phy_cfg->page1_size; i++) {
+ struct phy_data *phy_data = phy_data_page + i;
+ u8 addr = array_index_to_page_addr(i);
+ u8 data = phy_data->data;
+ u8 value = rtk_phy_read(phy_reg, addr);
+
+ if (phy_data->addr)
+ seq_printf(s, " Page 1: addr=0x%x data=0x%02x ==> read value=0x%02x\n",
+ addr, data, value);
+ else
+ seq_printf(s, " Page 1: addr=0x%x data=none ==> read value=0x%02x\n",
+ addr, value);
+ }
+
+ if (phy_cfg->page2_size == 0)
+ goto out;
+
+ seq_puts(s, "Page 2:\n");
+ /* Set page 2 */
+ phy_data_page = phy_cfg->page2;
+ rtk_phy_set_page(phy_reg, 2);
+
+ for (i = 0; i < phy_cfg->page2_size; i++) {
+ struct phy_data *phy_data = phy_data_page + i;
+ u8 addr = array_index_to_page_addr(i);
+ u8 data = phy_data->data;
+ u8 value = rtk_phy_read(phy_reg, addr);
+
+ if (phy_data->addr)
+ seq_printf(s, " Page 2: addr=0x%x data=0x%02x ==> read value=0x%02x\n",
+ addr, data, value);
+ else
+ seq_printf(s, " Page 2: addr=0x%x data=none ==> read value=0x%02x\n",
+ addr, value);
+ }
+
+out:
+ seq_puts(s, "PHY Property:\n");
+ seq_printf(s, " efuse_usb_dc_cal: %d\n",
+ (int)phy_parameter->efuse_usb_dc_cal);
+ seq_printf(s, " efuse_usb_dc_dis: %d\n",
+ (int)phy_parameter->efuse_usb_dc_dis);
+ seq_printf(s, " inverse_hstx_sync_clock: %s\n",
+ phy_parameter->inverse_hstx_sync_clock ? "Enable" : "Disable");
+ seq_printf(s, " driving_level: %d\n",
+ phy_parameter->driving_level);
+ seq_printf(s, " driving_level_compensate: %d\n",
+ phy_parameter->driving_level_compensate);
+ seq_printf(s, " disconnection_compensate: %d\n",
+ phy_parameter->disconnection_compensate);
+ }
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(rtk_usb2_parameter);
+
+static inline void create_debug_files(struct rtk_phy *rtk_phy)
+{
+ struct dentry *phy_debug_root = NULL;
+
+ phy_debug_root = create_phy_debug_root();
+ if (!phy_debug_root)
+ return;
+
+ rtk_phy->debug_dir = debugfs_create_dir(dev_name(rtk_phy->dev),
+ phy_debug_root);
+
+ debugfs_create_file("parameter", 0444, rtk_phy->debug_dir, rtk_phy,
+ &rtk_usb2_parameter_fops);
+}
+
+static inline void remove_debug_files(struct rtk_phy *rtk_phy)
+{
+ debugfs_remove_recursive(rtk_phy->debug_dir);
+}
+#else
+static inline void create_debug_files(struct rtk_phy *rtk_phy) { }
+static inline void remove_debug_files(struct rtk_phy *rtk_phy) { }
+#endif /* CONFIG_DEBUG_FS */
+
+static int get_phy_data_by_efuse(struct rtk_phy *rtk_phy,
+ struct phy_parameter *phy_parameter, int index)
+{
+ struct phy_cfg *phy_cfg = rtk_phy->phy_cfg;
+ u8 value = 0;
+ struct nvmem_cell *cell;
+ struct soc_device_attribute rtk_soc_groot[] = {
+ { .family = "Realtek Groot",},
+ { /* empty */ } };
+
+ if (!phy_cfg->check_efuse)
+ goto out;
+
+ /* Read efuse for usb dc cal */
+ cell = nvmem_cell_get(rtk_phy->dev, "usb-dc-cal");
+ if (IS_ERR(cell)) {
+ dev_dbg(rtk_phy->dev, "%s no usb-dc-cal: %ld\n",
+ __func__, PTR_ERR(cell));
+ } else {
+ unsigned char *buf;
+ size_t buf_size;
+
+ buf = nvmem_cell_read(cell, &buf_size);
+ if (!IS_ERR(buf)) {
+ value = buf[0] & phy_cfg->dc_driving_mask;
+ kfree(buf);
+ }
+ nvmem_cell_put(cell);
+ }
+
+ if (phy_cfg->check_efuse_version == CHECK_EFUSE_V1) {
+ int rate = phy_cfg->efuse_dc_driving_rate;
+
+ if (value <= EFUS_USB_DC_CAL_MAX)
+ phy_parameter->efuse_usb_dc_cal = (int8_t)(value * rate);
+ else
+ phy_parameter->efuse_usb_dc_cal = -(int8_t)
+ ((EFUS_USB_DC_CAL_MAX & value) * rate);
+
+ if (soc_device_match(rtk_soc_groot)) {
+ dev_dbg(rtk_phy->dev, "For groot IC we need a workaround to adjust efuse_usb_dc_cal\n");
+
+ /* We don't multiple dc_cal_rate=2 for positive dc cal compensate */
+ if (value <= EFUS_USB_DC_CAL_MAX)
+ phy_parameter->efuse_usb_dc_cal = (int8_t)(value);
+
+ /* We set max dc cal compensate is 0x8 if otp is 0x7 */
+ if (value == 0x7)
+ phy_parameter->efuse_usb_dc_cal = (int8_t)(value + 1);
+ }
+ } else { /* for CHECK_EFUSE_V2 */
+ phy_parameter->efuse_usb_dc_cal = value & phy_cfg->dc_driving_mask;
+ }
+
+ /* Read efuse for usb dc disconnect level */
+ value = 0;
+ cell = nvmem_cell_get(rtk_phy->dev, "usb-dc-dis");
+ if (IS_ERR(cell)) {
+ dev_dbg(rtk_phy->dev, "%s no usb-dc-dis: %ld\n",
+ __func__, PTR_ERR(cell));
+ } else {
+ unsigned char *buf;
+ size_t buf_size;
+
+ buf = nvmem_cell_read(cell, &buf_size);
+ if (!IS_ERR(buf)) {
+ value = buf[0] & phy_cfg->dc_disconnect_mask;
+ kfree(buf);
+ }
+ nvmem_cell_put(cell);
+ }
+
+ if (phy_cfg->check_efuse_version == CHECK_EFUSE_V1) {
+ int rate = phy_cfg->efuse_dc_disconnect_rate;
+
+ if (value <= EFUS_USB_DC_DIS_MAX)
+ phy_parameter->efuse_usb_dc_dis = (int8_t)(value * rate);
+ else
+ phy_parameter->efuse_usb_dc_dis = -(int8_t)
+ ((EFUS_USB_DC_DIS_MAX & value) * rate);
+ } else { /* for CHECK_EFUSE_V2 */
+ phy_parameter->efuse_usb_dc_dis = value & phy_cfg->dc_disconnect_mask;
+ }
+
+out:
+ return 0;
+}
+
+static int parse_phy_data(struct rtk_phy *rtk_phy)
+{
+ struct device *dev = rtk_phy->dev;
+ struct device_node *np = dev->of_node;
+ struct phy_parameter *phy_parameter;
+ int ret = 0;
+ int index;
+
+ rtk_phy->phy_parameter = devm_kzalloc(dev, sizeof(struct phy_parameter) *
+ rtk_phy->num_phy, GFP_KERNEL);
+ if (!rtk_phy->phy_parameter)
+ return -ENOMEM;
+
+ for (index = 0; index < rtk_phy->num_phy; index++) {
+ phy_parameter = &((struct phy_parameter *)rtk_phy->phy_parameter)[index];
+
+ phy_parameter->phy_reg.reg_wrap_vstatus = of_iomap(np, 0);
+ phy_parameter->phy_reg.reg_gusb2phyacc0 = of_iomap(np, 1) + index;
+ phy_parameter->phy_reg.vstatus_index = index;
+
+ if (of_property_read_bool(np, "realtek,inverse-hstx-sync-clock"))
+ phy_parameter->inverse_hstx_sync_clock = true;
+ else
+ phy_parameter->inverse_hstx_sync_clock = false;
+
+ if (of_property_read_u32_index(np, "realtek,driving-level",
+ index, &phy_parameter->driving_level))
+ phy_parameter->driving_level = DEFAULT_DC_DRIVING_VALUE;
+
+ if (of_property_read_u32_index(np, "realtek,driving-level-compensate",
+ index, &phy_parameter->driving_level_compensate))
+ phy_parameter->driving_level_compensate = 0;
+
+ if (of_property_read_u32_index(np, "realtek,disconnection-compensate",
+ index, &phy_parameter->disconnection_compensate))
+ phy_parameter->disconnection_compensate = 0;
+
+ get_phy_data_by_efuse(rtk_phy, phy_parameter, index);
+
+ update_dc_driving_level(rtk_phy, phy_parameter);
+
+ update_hs_clk_select(rtk_phy, phy_parameter);
+ }
+
+ return ret;
+}
+
+static int rtk_usb2phy_probe(struct platform_device *pdev)
+{
+ struct rtk_phy *rtk_phy;
+ struct device *dev = &pdev->dev;
+ struct phy *generic_phy;
+ struct phy_provider *phy_provider;
+ const struct phy_cfg *phy_cfg;
+ int ret = 0;
+
+ phy_cfg = of_device_get_match_data(dev);
+ if (!phy_cfg) {
+ dev_err(dev, "phy config are not assigned!\n");
+ return -EINVAL;
+ }
+
+ rtk_phy = devm_kzalloc(dev, sizeof(*rtk_phy), GFP_KERNEL);
+ if (!rtk_phy)
+ return -ENOMEM;
+
+ rtk_phy->dev = &pdev->dev;
+ rtk_phy->phy_cfg = devm_kzalloc(dev, sizeof(*phy_cfg), GFP_KERNEL);
+
+ memcpy(rtk_phy->phy_cfg, phy_cfg, sizeof(*phy_cfg));
+
+ rtk_phy->num_phy = phy_cfg->num_phy;
+
+ ret = parse_phy_data(rtk_phy);
+ if (ret)
+ goto err;
+
+ platform_set_drvdata(pdev, rtk_phy);
+
+ generic_phy = devm_phy_create(rtk_phy->dev, NULL, &ops);
+ if (IS_ERR(generic_phy))
+ return PTR_ERR(generic_phy);
+
+ phy_set_drvdata(generic_phy, rtk_phy);
+
+ phy_provider = devm_of_phy_provider_register(rtk_phy->dev,
+ of_phy_simple_xlate);
+ if (IS_ERR(phy_provider))
+ return PTR_ERR(phy_provider);
+
+ create_debug_files(rtk_phy);
+
+err:
+ return ret;
+}
+
+static void rtk_usb2phy_remove(struct platform_device *pdev)
+{
+ struct rtk_phy *rtk_phy = platform_get_drvdata(pdev);
+
+ remove_debug_files(rtk_phy);
+}
+
+static const struct phy_cfg rtd1295_phy_cfg = {
+ .page0_size = MAX_USB_PHY_PAGE0_DATA_SIZE,
+ .page0 = { [0] = {0xe0, 0x90},
+ [3] = {0xe3, 0x3a},
+ [4] = {0xe4, 0x68},
+ [6] = {0xe6, 0x91},
+ [13] = {0xf5, 0x81},
+ [15] = {0xf7, 0x02}, },
+ .page1_size = 8,
+ .page1 = { /* default parameter */ },
+ .page2_size = 0,
+ .page2 = { /* no parameter */ },
+ .num_phy = 1,
+ .check_efuse = false,
+ .check_efuse_version = CHECK_EFUSE_V1,
+ .efuse_dc_driving_rate = 1,
+ .dc_driving_mask = 0xf,
+ .efuse_dc_disconnect_rate = EFUS_USB_DC_DIS_RATE,
+ .dc_disconnect_mask = 0xf,
+ .usb_dc_disconnect_at_page0 = true,
+ .do_toggle = true,
+ .do_toggle_driving = false,
+ .driving_updated_for_dev_dis = 0xf,
+ .use_default_parameter = false,
+ .is_double_sensitivity_mode = false,
+};
+
+static const struct phy_cfg rtd1395_phy_cfg = {
+ .page0_size = MAX_USB_PHY_PAGE0_DATA_SIZE,
+ .page0 = { [4] = {0xe4, 0xac},
+ [13] = {0xf5, 0x00},
+ [15] = {0xf7, 0x02}, },
+ .page1_size = 8,
+ .page1 = { /* default parameter */ },
+ .page2_size = 0,
+ .page2 = { /* no parameter */ },
+ .num_phy = 1,
+ .check_efuse = false,
+ .check_efuse_version = CHECK_EFUSE_V1,
+ .efuse_dc_driving_rate = 1,
+ .dc_driving_mask = 0xf,
+ .efuse_dc_disconnect_rate = EFUS_USB_DC_DIS_RATE,
+ .dc_disconnect_mask = 0xf,
+ .usb_dc_disconnect_at_page0 = true,
+ .do_toggle = true,
+ .do_toggle_driving = false,
+ .driving_updated_for_dev_dis = 0xf,
+ .use_default_parameter = false,
+ .is_double_sensitivity_mode = false,
+};
+
+static const struct phy_cfg rtd1395_phy_cfg_2port = {
+ .page0_size = MAX_USB_PHY_PAGE0_DATA_SIZE,
+ .page0 = { [4] = {0xe4, 0xac},
+ [13] = {0xf5, 0x00},
+ [15] = {0xf7, 0x02}, },
+ .page1_size = 8,
+ .page1 = { /* default parameter */ },
+ .page2_size = 0,
+ .page2 = { /* no parameter */ },
+ .num_phy = 2,
+ .check_efuse = false,
+ .check_efuse_version = CHECK_EFUSE_V1,
+ .efuse_dc_driving_rate = 1,
+ .dc_driving_mask = 0xf,
+ .efuse_dc_disconnect_rate = EFUS_USB_DC_DIS_RATE,
+ .dc_disconnect_mask = 0xf,
+ .usb_dc_disconnect_at_page0 = true,
+ .do_toggle = true,
+ .do_toggle_driving = false,
+ .driving_updated_for_dev_dis = 0xf,
+ .use_default_parameter = false,
+ .is_double_sensitivity_mode = false,
+};
+
+static const struct phy_cfg rtd1619_phy_cfg = {
+ .page0_size = MAX_USB_PHY_PAGE0_DATA_SIZE,
+ .page0 = { [4] = {0xe4, 0x68}, },
+ .page1_size = 8,
+ .page1 = { /* default parameter */ },
+ .page2_size = 0,
+ .page2 = { /* no parameter */ },
+ .num_phy = 1,
+ .check_efuse = true,
+ .check_efuse_version = CHECK_EFUSE_V1,
+ .efuse_dc_driving_rate = 1,
+ .dc_driving_mask = 0xf,
+ .efuse_dc_disconnect_rate = EFUS_USB_DC_DIS_RATE,
+ .dc_disconnect_mask = 0xf,
+ .usb_dc_disconnect_at_page0 = true,
+ .do_toggle = true,
+ .do_toggle_driving = false,
+ .driving_updated_for_dev_dis = 0xf,
+ .use_default_parameter = false,
+ .is_double_sensitivity_mode = false,
+};
+
+static const struct phy_cfg rtd1319_phy_cfg = {
+ .page0_size = MAX_USB_PHY_PAGE0_DATA_SIZE,
+ .page0 = { [0] = {0xe0, 0x18},
+ [4] = {0xe4, 0x6a},
+ [7] = {0xe7, 0x71},
+ [13] = {0xf5, 0x15},
+ [15] = {0xf7, 0x32}, },
+ .page1_size = 8,
+ .page1 = { [3] = {0xe3, 0x44}, },
+ .page2_size = MAX_USB_PHY_PAGE2_DATA_SIZE,
+ .page2 = { [0] = {0xe0, 0x01}, },
+ .num_phy = 1,
+ .check_efuse = true,
+ .check_efuse_version = CHECK_EFUSE_V1,
+ .efuse_dc_driving_rate = 1,
+ .dc_driving_mask = 0xf,
+ .efuse_dc_disconnect_rate = EFUS_USB_DC_DIS_RATE,
+ .dc_disconnect_mask = 0xf,
+ .usb_dc_disconnect_at_page0 = true,
+ .do_toggle = true,
+ .do_toggle_driving = true,
+ .driving_updated_for_dev_dis = 0xf,
+ .use_default_parameter = false,
+ .is_double_sensitivity_mode = true,
+};
+
+static const struct phy_cfg rtd1312c_phy_cfg = {
+ .page0_size = MAX_USB_PHY_PAGE0_DATA_SIZE,
+ .page0 = { [0] = {0xe0, 0x14},
+ [4] = {0xe4, 0x67},
+ [5] = {0xe5, 0x55}, },
+ .page1_size = 8,
+ .page1 = { [3] = {0xe3, 0x23},
+ [6] = {0xe6, 0x58}, },
+ .page2_size = MAX_USB_PHY_PAGE2_DATA_SIZE,
+ .page2 = { /* default parameter */ },
+ .num_phy = 1,
+ .check_efuse = true,
+ .check_efuse_version = CHECK_EFUSE_V1,
+ .efuse_dc_driving_rate = 1,
+ .dc_driving_mask = 0xf,
+ .efuse_dc_disconnect_rate = EFUS_USB_DC_DIS_RATE,
+ .dc_disconnect_mask = 0xf,
+ .usb_dc_disconnect_at_page0 = true,
+ .do_toggle = true,
+ .do_toggle_driving = true,
+ .driving_updated_for_dev_dis = 0xf,
+ .use_default_parameter = false,
+ .is_double_sensitivity_mode = true,
+};
+
+static const struct phy_cfg rtd1619b_phy_cfg = {
+ .page0_size = MAX_USB_PHY_PAGE0_DATA_SIZE,
+ .page0 = { [0] = {0xe0, 0xa3},
+ [4] = {0xe4, 0xa8},
+ [5] = {0xe5, 0x4f},
+ [6] = {0xe6, 0x02}, },
+ .page1_size = 8,
+ .page1 = { [3] = {0xe3, 0x64}, },
+ .page2_size = MAX_USB_PHY_PAGE2_DATA_SIZE,
+ .page2 = { [7] = {0xe7, 0x45}, },
+ .num_phy = 1,
+ .check_efuse = true,
+ .check_efuse_version = CHECK_EFUSE_V1,
+ .efuse_dc_driving_rate = EFUS_USB_DC_CAL_RATE,
+ .dc_driving_mask = 0x1f,
+ .efuse_dc_disconnect_rate = EFUS_USB_DC_DIS_RATE,
+ .dc_disconnect_mask = 0xf,
+ .usb_dc_disconnect_at_page0 = false,
+ .do_toggle = true,
+ .do_toggle_driving = true,
+ .driving_updated_for_dev_dis = 0x8,
+ .use_default_parameter = false,
+ .is_double_sensitivity_mode = true,
+};
+
+static const struct phy_cfg rtd1319d_phy_cfg = {
+ .page0_size = MAX_USB_PHY_PAGE0_DATA_SIZE,
+ .page0 = { [0] = {0xe0, 0xa3},
+ [4] = {0xe4, 0x8e},
+ [5] = {0xe5, 0x4f},
+ [6] = {0xe6, 0x02}, },
+ .page1_size = MAX_USB_PHY_PAGE1_DATA_SIZE,
+ .page1 = { [14] = {0xf5, 0x1}, },
+ .page2_size = MAX_USB_PHY_PAGE2_DATA_SIZE,
+ .page2 = { [7] = {0xe7, 0x44}, },
+ .check_efuse = true,
+ .num_phy = 1,
+ .check_efuse_version = CHECK_EFUSE_V1,
+ .efuse_dc_driving_rate = EFUS_USB_DC_CAL_RATE,
+ .dc_driving_mask = 0x1f,
+ .efuse_dc_disconnect_rate = EFUS_USB_DC_DIS_RATE,
+ .dc_disconnect_mask = 0xf,
+ .usb_dc_disconnect_at_page0 = false,
+ .do_toggle = true,
+ .do_toggle_driving = false,
+ .driving_updated_for_dev_dis = 0x8,
+ .use_default_parameter = false,
+ .is_double_sensitivity_mode = true,
+};
+
+static const struct phy_cfg rtd1315e_phy_cfg = {
+ .page0_size = MAX_USB_PHY_PAGE0_DATA_SIZE,
+ .page0 = { [0] = {0xe0, 0xa3},
+ [4] = {0xe4, 0x8c},
+ [5] = {0xe5, 0x4f},
+ [6] = {0xe6, 0x02}, },
+ .page1_size = MAX_USB_PHY_PAGE1_DATA_SIZE,
+ .page1 = { [3] = {0xe3, 0x7f},
+ [14] = {0xf5, 0x01}, },
+ .page2_size = MAX_USB_PHY_PAGE2_DATA_SIZE,
+ .page2 = { [7] = {0xe7, 0x44}, },
+ .num_phy = 1,
+ .check_efuse = true,
+ .check_efuse_version = CHECK_EFUSE_V2,
+ .efuse_dc_driving_rate = EFUS_USB_DC_CAL_RATE,
+ .dc_driving_mask = 0x1f,
+ .efuse_dc_disconnect_rate = EFUS_USB_DC_DIS_RATE,
+ .dc_disconnect_mask = 0xf,
+ .usb_dc_disconnect_at_page0 = false,
+ .do_toggle = true,
+ .do_toggle_driving = false,
+ .driving_updated_for_dev_dis = 0x8,
+ .use_default_parameter = false,
+ .is_double_sensitivity_mode = true,
+};
+
+static const struct of_device_id usbphy_rtk_dt_match[] = {
+ { .compatible = "realtek,rtd1295-usb2phy", .data = &rtd1295_phy_cfg },
+ { .compatible = "realtek,rtd1312c-usb2phy", .data = &rtd1312c_phy_cfg },
+ { .compatible = "realtek,rtd1315e-usb2phy", .data = &rtd1315e_phy_cfg },
+ { .compatible = "realtek,rtd1319-usb2phy", .data = &rtd1319_phy_cfg },
+ { .compatible = "realtek,rtd1319d-usb2phy", .data = &rtd1319d_phy_cfg },
+ { .compatible = "realtek,rtd1395-usb2phy", .data = &rtd1395_phy_cfg },
+ { .compatible = "realtek,rtd1395-usb2phy-2port", .data = &rtd1395_phy_cfg_2port },
+ { .compatible = "realtek,rtd1619-usb2phy", .data = &rtd1619_phy_cfg },
+ { .compatible = "realtek,rtd1619b-usb2phy", .data = &rtd1619b_phy_cfg },
+ {},
+};
+MODULE_DEVICE_TABLE(of, usbphy_rtk_dt_match);
+
+static struct platform_driver rtk_usb2phy_driver = {
+ .probe = rtk_usb2phy_probe,
+ .remove_new = rtk_usb2phy_remove,
+ .driver = {
+ .name = "rtk-usb2phy",
+ .of_match_table = usbphy_rtk_dt_match,
+ },
+};
+
+module_platform_driver(rtk_usb2phy_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Stanley Chang <stanley_chang@realtek.com>");
+MODULE_DESCRIPTION("Realtek usb 2.0 phy driver");
--
GitLab
From b48415afe5fd7e6f5912d4c45720217b77d8e7ea Mon Sep 17 00:00:00 2001
From: Stanley Chang <stanley_chang@realtek.com>
Date: Wed, 13 Dec 2023 11:10:08 +0800
Subject: [PATCH 0142/2686] phy: realtek: usb: add new driver for the Realtek
RTD SoC USB 3.0 PHY
Realtek DHC (digital home center) RTD SoCs support DWC3 XHCI USB
controller. Added the driver to drive the USB 3.0 PHY transceivers.
Note: New driver, remove the port status notification on legacy USB PHY.
Use the generic PHY to notify the usb device connect and disconnect.
To avoid using these PHYs would require describing the very same
PHY using both the generic "phy" property and the deprecated "usb-phy"
property.
Signed-off-by: Stanley Chang <stanley_chang@realtek.com>
Link: https://lore.kernel.org/r/20231213031203.4911-3-stanley_chang@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/phy/realtek/Kconfig | 12 +
drivers/phy/realtek/Makefile | 1 +
drivers/phy/realtek/phy-rtk-usb3.c | 748 +++++++++++++++++++++++++++++
3 files changed, 761 insertions(+)
create mode 100644 drivers/phy/realtek/phy-rtk-usb3.c
diff --git a/drivers/phy/realtek/Kconfig b/drivers/phy/realtek/Kconfig
index 7455877510709..75ac7e7c31aec 100644
--- a/drivers/phy/realtek/Kconfig
+++ b/drivers/phy/realtek/Kconfig
@@ -17,4 +17,16 @@ config PHY_RTK_RTD_USB2PHY
DWC3 USB IP. This driver will do the PHY initialization
of the parameters.
+config PHY_RTK_RTD_USB3PHY
+ tristate "Realtek RTD USB3 PHY Transceiver Driver"
+ depends on USB_SUPPORT
+ select GENERIC_PHY
+ select USB_PHY
+ select USB_COMMON
+ help
+ Enable this to support Realtek SoC USB3 phy transceiver.
+ The DHC (digital home center) RTD series SoCs used the Synopsys
+ DWC3 USB IP. This driver will do the PHY initialization
+ of the parameters.
+
endif # ARCH_REALTEK || COMPILE_TEST
diff --git a/drivers/phy/realtek/Makefile b/drivers/phy/realtek/Makefile
index cf5d440841a27..ed7b47ff8a268 100644
--- a/drivers/phy/realtek/Makefile
+++ b/drivers/phy/realtek/Makefile
@@ -1,2 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_PHY_RTK_RTD_USB2PHY) += phy-rtk-usb2.o
+obj-$(CONFIG_PHY_RTK_RTD_USB3PHY) += phy-rtk-usb3.o
diff --git a/drivers/phy/realtek/phy-rtk-usb3.c b/drivers/phy/realtek/phy-rtk-usb3.c
new file mode 100644
index 0000000000000..dfcf4b921bba6
--- /dev/null
+++ b/drivers/phy/realtek/phy-rtk-usb3.c
@@ -0,0 +1,748 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * phy-rtk-usb3.c RTK usb3.0 phy driver
+ *
+ * copyright (c) 2023 realtek semiconductor corporation
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/uaccess.h>
+#include <linux/debugfs.h>
+#include <linux/nvmem-consumer.h>
+#include <linux/regmap.h>
+#include <linux/sys_soc.h>
+#include <linux/mfd/syscon.h>
+#include <linux/phy/phy.h>
+#include <linux/usb.h>
+
+#define USB_MDIO_CTRL_PHY_BUSY BIT(7)
+#define USB_MDIO_CTRL_PHY_WRITE BIT(0)
+#define USB_MDIO_CTRL_PHY_ADDR_SHIFT 8
+#define USB_MDIO_CTRL_PHY_DATA_SHIFT 16
+
+#define MAX_USB_PHY_DATA_SIZE 0x30
+#define PHY_ADDR_0X09 0x09
+#define PHY_ADDR_0X0B 0x0b
+#define PHY_ADDR_0X0D 0x0d
+#define PHY_ADDR_0X10 0x10
+#define PHY_ADDR_0X1F 0x1f
+#define PHY_ADDR_0X20 0x20
+#define PHY_ADDR_0X21 0x21
+#define PHY_ADDR_0X30 0x30
+
+#define REG_0X09_FORCE_CALIBRATION BIT(9)
+#define REG_0X0B_RX_OFFSET_RANGE_MASK 0xc
+#define REG_0X0D_RX_DEBUG_TEST_EN BIT(6)
+#define REG_0X10_DEBUG_MODE_SETTING 0x3c0
+#define REG_0X10_DEBUG_MODE_SETTING_MASK 0x3f8
+#define REG_0X1F_RX_OFFSET_CODE_MASK 0x1e
+
+#define USB_U3_TX_LFPS_SWING_TRIM_SHIFT 4
+#define USB_U3_TX_LFPS_SWING_TRIM_MASK 0xf
+#define AMPLITUDE_CONTROL_COARSE_MASK 0xff
+#define AMPLITUDE_CONTROL_FINE_MASK 0xffff
+#define AMPLITUDE_CONTROL_COARSE_DEFAULT 0xff
+#define AMPLITUDE_CONTROL_FINE_DEFAULT 0xffff
+
+#define PHY_ADDR_MAP_ARRAY_INDEX(addr) (addr)
+#define ARRAY_INDEX_MAP_PHY_ADDR(index) (index)
+
+struct phy_reg {
+ void __iomem *reg_mdio_ctl;
+};
+
+struct phy_data {
+ u8 addr;
+ u16 data;
+};
+
+struct phy_cfg {
+ int param_size;
+ struct phy_data param[MAX_USB_PHY_DATA_SIZE];
+
+ bool check_efuse;
+ bool do_toggle;
+ bool do_toggle_once;
+ bool use_default_parameter;
+ bool check_rx_front_end_offset;
+};
+
+struct phy_parameter {
+ struct phy_reg phy_reg;
+
+ /* Get from efuse */
+ u8 efuse_usb_u3_tx_lfps_swing_trim;
+
+ /* Get from dts */
+ u32 amplitude_control_coarse;
+ u32 amplitude_control_fine;
+};
+
+struct rtk_phy {
+ struct device *dev;
+
+ struct phy_cfg *phy_cfg;
+ int num_phy;
+ struct phy_parameter *phy_parameter;
+
+ struct dentry *debug_dir;
+};
+
+#define PHY_IO_TIMEOUT_USEC (50000)
+#define PHY_IO_DELAY_US (100)
+
+static inline int utmi_wait_register(void __iomem *reg, u32 mask, u32 result)
+{
+ int ret;
+ unsigned int val;
+
+ ret = read_poll_timeout(readl, val, ((val & mask) == result),
+ PHY_IO_DELAY_US, PHY_IO_TIMEOUT_USEC, false, reg);
+ if (ret) {
+ pr_err("%s can't program USB phy\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static int rtk_phy3_wait_vbusy(struct phy_reg *phy_reg)
+{
+ return utmi_wait_register(phy_reg->reg_mdio_ctl, USB_MDIO_CTRL_PHY_BUSY, 0);
+}
+
+static u16 rtk_phy_read(struct phy_reg *phy_reg, char addr)
+{
+ unsigned int tmp;
+ u32 value;
+
+ tmp = (addr << USB_MDIO_CTRL_PHY_ADDR_SHIFT);
+
+ writel(tmp, phy_reg->reg_mdio_ctl);
+
+ rtk_phy3_wait_vbusy(phy_reg);
+
+ value = readl(phy_reg->reg_mdio_ctl);
+ value = value >> USB_MDIO_CTRL_PHY_DATA_SHIFT;
+
+ return (u16)value;
+}
+
+static int rtk_phy_write(struct phy_reg *phy_reg, char addr, u16 data)
+{
+ unsigned int val;
+
+ val = USB_MDIO_CTRL_PHY_WRITE |
+ (addr << USB_MDIO_CTRL_PHY_ADDR_SHIFT) |
+ (data << USB_MDIO_CTRL_PHY_DATA_SHIFT);
+
+ writel(val, phy_reg->reg_mdio_ctl);
+
+ rtk_phy3_wait_vbusy(phy_reg);
+
+ return 0;
+}
+
+static void do_rtk_usb3_phy_toggle(struct rtk_phy *rtk_phy, int index, bool connect)
+{
+ struct phy_cfg *phy_cfg = rtk_phy->phy_cfg;
+ struct phy_reg *phy_reg;
+ struct phy_parameter *phy_parameter;
+ struct phy_data *phy_data;
+ u8 addr;
+ u16 data;
+ int i;
+
+ phy_parameter = &((struct phy_parameter *)rtk_phy->phy_parameter)[index];
+ phy_reg = &phy_parameter->phy_reg;
+
+ if (!phy_cfg->do_toggle)
+ return;
+
+ i = PHY_ADDR_MAP_ARRAY_INDEX(PHY_ADDR_0X09);
+ phy_data = phy_cfg->param + i;
+ addr = phy_data->addr;
+ data = phy_data->data;
+
+ if (!addr && !data) {
+ addr = PHY_ADDR_0X09;
+ data = rtk_phy_read(phy_reg, addr);
+ phy_data->addr = addr;
+ phy_data->data = data;
+ }
+
+ rtk_phy_write(phy_reg, addr, data & (~REG_0X09_FORCE_CALIBRATION));
+ mdelay(1);
+ rtk_phy_write(phy_reg, addr, data | REG_0X09_FORCE_CALIBRATION);
+}
+
+static int do_rtk_phy_init(struct rtk_phy *rtk_phy, int index)
+{
+ struct phy_cfg *phy_cfg;
+ struct phy_reg *phy_reg;
+ struct phy_parameter *phy_parameter;
+ int i = 0;
+
+ phy_cfg = rtk_phy->phy_cfg;
+ phy_parameter = &((struct phy_parameter *)rtk_phy->phy_parameter)[index];
+ phy_reg = &phy_parameter->phy_reg;
+
+ if (phy_cfg->use_default_parameter)
+ goto do_toggle;
+
+ for (i = 0; i < phy_cfg->param_size; i++) {
+ struct phy_data *phy_data = phy_cfg->param + i;
+ u8 addr = phy_data->addr;
+ u16 data = phy_data->data;
+
+ if (!addr && !data)
+ continue;
+
+ rtk_phy_write(phy_reg, addr, data);
+ }
+
+do_toggle:
+ if (phy_cfg->do_toggle_once)
+ phy_cfg->do_toggle = true;
+
+ do_rtk_usb3_phy_toggle(rtk_phy, index, false);
+
+ if (phy_cfg->do_toggle_once) {
+ u16 check_value = 0;
+ int count = 10;
+ u16 value_0x0d, value_0x10;
+
+ /* Enable Debug mode by set 0x0D and 0x10 */
+ value_0x0d = rtk_phy_read(phy_reg, PHY_ADDR_0X0D);
+ value_0x10 = rtk_phy_read(phy_reg, PHY_ADDR_0X10);
+
+ rtk_phy_write(phy_reg, PHY_ADDR_0X0D,
+ value_0x0d | REG_0X0D_RX_DEBUG_TEST_EN);
+ rtk_phy_write(phy_reg, PHY_ADDR_0X10,
+ (value_0x10 & ~REG_0X10_DEBUG_MODE_SETTING_MASK) |
+ REG_0X10_DEBUG_MODE_SETTING);
+
+ check_value = rtk_phy_read(phy_reg, PHY_ADDR_0X30);
+
+ while (!(check_value & BIT(15))) {
+ check_value = rtk_phy_read(phy_reg, PHY_ADDR_0X30);
+ mdelay(1);
+ if (count-- < 0)
+ break;
+ }
+
+ if (!(check_value & BIT(15)))
+ dev_info(rtk_phy->dev, "toggle fail addr=0x%02x, data=0x%04x\n",
+ PHY_ADDR_0X30, check_value);
+
+ /* Disable Debug mode by set 0x0D and 0x10 to default*/
+ rtk_phy_write(phy_reg, PHY_ADDR_0X0D, value_0x0d);
+ rtk_phy_write(phy_reg, PHY_ADDR_0X10, value_0x10);
+
+ phy_cfg->do_toggle = false;
+ }
+
+ if (phy_cfg->check_rx_front_end_offset) {
+ u16 rx_offset_code, rx_offset_range;
+ u16 code_mask = REG_0X1F_RX_OFFSET_CODE_MASK;
+ u16 range_mask = REG_0X0B_RX_OFFSET_RANGE_MASK;
+ bool do_update = false;
+
+ rx_offset_code = rtk_phy_read(phy_reg, PHY_ADDR_0X1F);
+ if (((rx_offset_code & code_mask) == 0x0) ||
+ ((rx_offset_code & code_mask) == code_mask))
+ do_update = true;
+
+ rx_offset_range = rtk_phy_read(phy_reg, PHY_ADDR_0X0B);
+ if (((rx_offset_range & range_mask) == range_mask) && do_update) {
+ dev_warn(rtk_phy->dev, "Don't update rx_offset_range (rx_offset_code=0x%x, rx_offset_range=0x%x)\n",
+ rx_offset_code, rx_offset_range);
+ do_update = false;
+ }
+
+ if (do_update) {
+ u16 tmp1, tmp2;
+
+ tmp1 = rx_offset_range & (~range_mask);
+ tmp2 = rx_offset_range & range_mask;
+ tmp2 += (1 << 2);
+ rx_offset_range = tmp1 | (tmp2 & range_mask);
+ rtk_phy_write(phy_reg, PHY_ADDR_0X0B, rx_offset_range);
+ goto do_toggle;
+ }
+ }
+
+ return 0;
+}
+
+static int rtk_phy_init(struct phy *phy)
+{
+ struct rtk_phy *rtk_phy = phy_get_drvdata(phy);
+ int ret = 0;
+ int i;
+ unsigned long phy_init_time = jiffies;
+
+ for (i = 0; i < rtk_phy->num_phy; i++)
+ ret = do_rtk_phy_init(rtk_phy, i);
+
+ dev_dbg(rtk_phy->dev, "Initialized RTK USB 3.0 PHY (take %dms)\n",
+ jiffies_to_msecs(jiffies - phy_init_time));
+
+ return ret;
+}
+
+static int rtk_phy_exit(struct phy *phy)
+{
+ return 0;
+}
+
+static void rtk_phy_toggle(struct rtk_phy *rtk_phy, bool connect, int port)
+{
+ int index = port;
+
+ if (index > rtk_phy->num_phy) {
+ dev_err(rtk_phy->dev, "%s: The port=%d is not in usb phy (num_phy=%d)\n",
+ __func__, index, rtk_phy->num_phy);
+ return;
+ }
+
+ do_rtk_usb3_phy_toggle(rtk_phy, index, connect);
+}
+
+static int rtk_phy_connect(struct phy *phy, int port)
+{
+ struct rtk_phy *rtk_phy = phy_get_drvdata(phy);
+
+ dev_dbg(rtk_phy->dev, "%s port=%d\n", __func__, port);
+ rtk_phy_toggle(rtk_phy, true, port);
+
+ return 0;
+}
+
+static int rtk_phy_disconnect(struct phy *phy, int port)
+{
+ struct rtk_phy *rtk_phy = phy_get_drvdata(phy);
+
+ dev_dbg(rtk_phy->dev, "%s port=%d\n", __func__, port);
+ rtk_phy_toggle(rtk_phy, false, port);
+
+ return 0;
+}
+
+static const struct phy_ops ops = {
+ .init = rtk_phy_init,
+ .exit = rtk_phy_exit,
+ .connect = rtk_phy_connect,
+ .disconnect = rtk_phy_disconnect,
+ .owner = THIS_MODULE,
+};
+
+#ifdef CONFIG_DEBUG_FS
+static struct dentry *create_phy_debug_root(void)
+{
+ struct dentry *phy_debug_root;
+
+ phy_debug_root = debugfs_lookup("phy", usb_debug_root);
+ if (!phy_debug_root)
+ phy_debug_root = debugfs_create_dir("phy", usb_debug_root);
+
+ return phy_debug_root;
+}
+
+static int rtk_usb3_parameter_show(struct seq_file *s, void *unused)
+{
+ struct rtk_phy *rtk_phy = s->private;
+ struct phy_cfg *phy_cfg;
+ int i, index;
+
+ phy_cfg = rtk_phy->phy_cfg;
+
+ seq_puts(s, "Property:\n");
+ seq_printf(s, " check_efuse: %s\n",
+ phy_cfg->check_efuse ? "Enable" : "Disable");
+ seq_printf(s, " do_toggle: %s\n",
+ phy_cfg->do_toggle ? "Enable" : "Disable");
+ seq_printf(s, " do_toggle_once: %s\n",
+ phy_cfg->do_toggle_once ? "Enable" : "Disable");
+ seq_printf(s, " use_default_parameter: %s\n",
+ phy_cfg->use_default_parameter ? "Enable" : "Disable");
+
+ for (index = 0; index < rtk_phy->num_phy; index++) {
+ struct phy_reg *phy_reg;
+ struct phy_parameter *phy_parameter;
+
+ phy_parameter = &((struct phy_parameter *)rtk_phy->phy_parameter)[index];
+ phy_reg = &phy_parameter->phy_reg;
+
+ seq_printf(s, "PHY %d:\n", index);
+
+ for (i = 0; i < phy_cfg->param_size; i++) {
+ struct phy_data *phy_data = phy_cfg->param + i;
+ u8 addr = ARRAY_INDEX_MAP_PHY_ADDR(i);
+ u16 data = phy_data->data;
+
+ if (!phy_data->addr && !data)
+ seq_printf(s, " addr = 0x%02x, data = none ==> read value = 0x%04x\n",
+ addr, rtk_phy_read(phy_reg, addr));
+ else
+ seq_printf(s, " addr = 0x%02x, data = 0x%04x ==> read value = 0x%04x\n",
+ addr, data, rtk_phy_read(phy_reg, addr));
+ }
+
+ seq_puts(s, "PHY Property:\n");
+ seq_printf(s, " efuse_usb_u3_tx_lfps_swing_trim: 0x%x\n",
+ (int)phy_parameter->efuse_usb_u3_tx_lfps_swing_trim);
+ seq_printf(s, " amplitude_control_coarse: 0x%x\n",
+ (int)phy_parameter->amplitude_control_coarse);
+ seq_printf(s, " amplitude_control_fine: 0x%x\n",
+ (int)phy_parameter->amplitude_control_fine);
+ }
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(rtk_usb3_parameter);
+
+static inline void create_debug_files(struct rtk_phy *rtk_phy)
+{
+ struct dentry *phy_debug_root = NULL;
+
+ phy_debug_root = create_phy_debug_root();
+
+ if (!phy_debug_root)
+ return;
+
+ rtk_phy->debug_dir = debugfs_create_dir(dev_name(rtk_phy->dev), phy_debug_root);
+
+ debugfs_create_file("parameter", 0444, rtk_phy->debug_dir, rtk_phy,
+ &rtk_usb3_parameter_fops);
+}
+
+static inline void remove_debug_files(struct rtk_phy *rtk_phy)
+{
+ debugfs_remove_recursive(rtk_phy->debug_dir);
+}
+#else
+static inline void create_debug_files(struct rtk_phy *rtk_phy) { }
+static inline void remove_debug_files(struct rtk_phy *rtk_phy) { }
+#endif /* CONFIG_DEBUG_FS */
+
+static int get_phy_data_by_efuse(struct rtk_phy *rtk_phy,
+ struct phy_parameter *phy_parameter, int index)
+{
+ struct phy_cfg *phy_cfg = rtk_phy->phy_cfg;
+ u8 value = 0;
+ struct nvmem_cell *cell;
+
+ if (!phy_cfg->check_efuse)
+ goto out;
+
+ cell = nvmem_cell_get(rtk_phy->dev, "usb_u3_tx_lfps_swing_trim");
+ if (IS_ERR(cell)) {
+ dev_dbg(rtk_phy->dev, "%s no usb_u3_tx_lfps_swing_trim: %ld\n",
+ __func__, PTR_ERR(cell));
+ } else {
+ unsigned char *buf;
+ size_t buf_size;
+
+ buf = nvmem_cell_read(cell, &buf_size);
+ if (!IS_ERR(buf)) {
+ value = buf[0] & USB_U3_TX_LFPS_SWING_TRIM_MASK;
+ kfree(buf);
+ }
+ nvmem_cell_put(cell);
+ }
+
+ if (value > 0 && value < 0x8)
+ phy_parameter->efuse_usb_u3_tx_lfps_swing_trim = 0x8;
+ else
+ phy_parameter->efuse_usb_u3_tx_lfps_swing_trim = (u8)value;
+
+out:
+ return 0;
+}
+
+static void update_amplitude_control_value(struct rtk_phy *rtk_phy,
+ struct phy_parameter *phy_parameter)
+{
+ struct phy_cfg *phy_cfg;
+ struct phy_reg *phy_reg;
+
+ phy_reg = &phy_parameter->phy_reg;
+ phy_cfg = rtk_phy->phy_cfg;
+
+ if (phy_parameter->amplitude_control_coarse != AMPLITUDE_CONTROL_COARSE_DEFAULT) {
+ u16 val_mask = AMPLITUDE_CONTROL_COARSE_MASK;
+ u16 data;
+
+ if (!phy_cfg->param[PHY_ADDR_0X20].addr && !phy_cfg->param[PHY_ADDR_0X20].data) {
+ phy_cfg->param[PHY_ADDR_0X20].addr = PHY_ADDR_0X20;
+ data = rtk_phy_read(phy_reg, PHY_ADDR_0X20);
+ } else {
+ data = phy_cfg->param[PHY_ADDR_0X20].data;
+ }
+
+ data &= (~val_mask);
+ data |= (phy_parameter->amplitude_control_coarse & val_mask);
+
+ phy_cfg->param[PHY_ADDR_0X20].data = data;
+ }
+
+ if (phy_parameter->efuse_usb_u3_tx_lfps_swing_trim) {
+ u8 efuse_val = phy_parameter->efuse_usb_u3_tx_lfps_swing_trim;
+ u16 val_mask = USB_U3_TX_LFPS_SWING_TRIM_MASK;
+ int val_shift = USB_U3_TX_LFPS_SWING_TRIM_SHIFT;
+ u16 data;
+
+ if (!phy_cfg->param[PHY_ADDR_0X20].addr && !phy_cfg->param[PHY_ADDR_0X20].data) {
+ phy_cfg->param[PHY_ADDR_0X20].addr = PHY_ADDR_0X20;
+ data = rtk_phy_read(phy_reg, PHY_ADDR_0X20);
+ } else {
+ data = phy_cfg->param[PHY_ADDR_0X20].data;
+ }
+
+ data &= ~(val_mask << val_shift);
+ data |= ((efuse_val & val_mask) << val_shift);
+
+ phy_cfg->param[PHY_ADDR_0X20].data = data;
+ }
+
+ if (phy_parameter->amplitude_control_fine != AMPLITUDE_CONTROL_FINE_DEFAULT) {
+ u16 val_mask = AMPLITUDE_CONTROL_FINE_MASK;
+
+ if (!phy_cfg->param[PHY_ADDR_0X21].addr && !phy_cfg->param[PHY_ADDR_0X21].data)
+ phy_cfg->param[PHY_ADDR_0X21].addr = PHY_ADDR_0X21;
+
+ phy_cfg->param[PHY_ADDR_0X21].data =
+ phy_parameter->amplitude_control_fine & val_mask;
+ }
+}
+
+static int parse_phy_data(struct rtk_phy *rtk_phy)
+{
+ struct device *dev = rtk_phy->dev;
+ struct phy_parameter *phy_parameter;
+ int ret = 0;
+ int index;
+
+ rtk_phy->phy_parameter = devm_kzalloc(dev, sizeof(struct phy_parameter) *
+ rtk_phy->num_phy, GFP_KERNEL);
+ if (!rtk_phy->phy_parameter)
+ return -ENOMEM;
+
+ for (index = 0; index < rtk_phy->num_phy; index++) {
+ phy_parameter = &((struct phy_parameter *)rtk_phy->phy_parameter)[index];
+
+ phy_parameter->phy_reg.reg_mdio_ctl = of_iomap(dev->of_node, 0) + index;
+
+ /* Amplitude control address 0x20 bit 0 to bit 7 */
+ if (of_property_read_u32(dev->of_node, "realtek,amplitude-control-coarse-tuning",
+ &phy_parameter->amplitude_control_coarse))
+ phy_parameter->amplitude_control_coarse = AMPLITUDE_CONTROL_COARSE_DEFAULT;
+
+ /* Amplitude control address 0x21 bit 0 to bit 16 */
+ if (of_property_read_u32(dev->of_node, "realtek,amplitude-control-fine-tuning",
+ &phy_parameter->amplitude_control_fine))
+ phy_parameter->amplitude_control_fine = AMPLITUDE_CONTROL_FINE_DEFAULT;
+
+ get_phy_data_by_efuse(rtk_phy, phy_parameter, index);
+
+ update_amplitude_control_value(rtk_phy, phy_parameter);
+ }
+
+ return ret;
+}
+
+static int rtk_usb3phy_probe(struct platform_device *pdev)
+{
+ struct rtk_phy *rtk_phy;
+ struct device *dev = &pdev->dev;
+ struct phy *generic_phy;
+ struct phy_provider *phy_provider;
+ const struct phy_cfg *phy_cfg;
+ int ret;
+
+ phy_cfg = of_device_get_match_data(dev);
+ if (!phy_cfg) {
+ dev_err(dev, "phy config are not assigned!\n");
+ return -EINVAL;
+ }
+
+ rtk_phy = devm_kzalloc(dev, sizeof(*rtk_phy), GFP_KERNEL);
+ if (!rtk_phy)
+ return -ENOMEM;
+
+ rtk_phy->dev = &pdev->dev;
+ rtk_phy->phy_cfg = devm_kzalloc(dev, sizeof(*phy_cfg), GFP_KERNEL);
+
+ memcpy(rtk_phy->phy_cfg, phy_cfg, sizeof(*phy_cfg));
+
+ rtk_phy->num_phy = 1;
+
+ ret = parse_phy_data(rtk_phy);
+ if (ret)
+ goto err;
+
+ platform_set_drvdata(pdev, rtk_phy);
+
+ generic_phy = devm_phy_create(rtk_phy->dev, NULL, &ops);
+ if (IS_ERR(generic_phy))
+ return PTR_ERR(generic_phy);
+
+ phy_set_drvdata(generic_phy, rtk_phy);
+
+ phy_provider = devm_of_phy_provider_register(rtk_phy->dev, of_phy_simple_xlate);
+ if (IS_ERR(phy_provider))
+ return PTR_ERR(phy_provider);
+
+ create_debug_files(rtk_phy);
+
+err:
+ return ret;
+}
+
+static void rtk_usb3phy_remove(struct platform_device *pdev)
+{
+ struct rtk_phy *rtk_phy = platform_get_drvdata(pdev);
+
+ remove_debug_files(rtk_phy);
+}
+
+static const struct phy_cfg rtd1295_phy_cfg = {
+ .param_size = MAX_USB_PHY_DATA_SIZE,
+ .param = { [0] = {0x01, 0x4008}, [1] = {0x01, 0xe046},
+ [2] = {0x02, 0x6046}, [3] = {0x03, 0x2779},
+ [4] = {0x04, 0x72f5}, [5] = {0x05, 0x2ad3},
+ [6] = {0x06, 0x000e}, [7] = {0x07, 0x2e00},
+ [8] = {0x08, 0x3591}, [9] = {0x09, 0x525c},
+ [10] = {0x0a, 0xa600}, [11] = {0x0b, 0xa904},
+ [12] = {0x0c, 0xc000}, [13] = {0x0d, 0xef1c},
+ [14] = {0x0e, 0x2000}, [15] = {0x0f, 0x0000},
+ [16] = {0x10, 0x000c}, [17] = {0x11, 0x4c00},
+ [18] = {0x12, 0xfc00}, [19] = {0x13, 0x0c81},
+ [20] = {0x14, 0xde01}, [21] = {0x15, 0x0000},
+ [22] = {0x16, 0x0000}, [23] = {0x17, 0x0000},
+ [24] = {0x18, 0x0000}, [25] = {0x19, 0x4004},
+ [26] = {0x1a, 0x1260}, [27] = {0x1b, 0xff00},
+ [28] = {0x1c, 0xcb00}, [29] = {0x1d, 0xa03f},
+ [30] = {0x1e, 0xc2e0}, [31] = {0x1f, 0x2807},
+ [32] = {0x20, 0x947a}, [33] = {0x21, 0x88aa},
+ [34] = {0x22, 0x0057}, [35] = {0x23, 0xab66},
+ [36] = {0x24, 0x0800}, [37] = {0x25, 0x0000},
+ [38] = {0x26, 0x040a}, [39] = {0x27, 0x01d6},
+ [40] = {0x28, 0xf8c2}, [41] = {0x29, 0x3080},
+ [42] = {0x2a, 0x3082}, [43] = {0x2b, 0x2078},
+ [44] = {0x2c, 0xffff}, [45] = {0x2d, 0xffff},
+ [46] = {0x2e, 0x0000}, [47] = {0x2f, 0x0040}, },
+ .check_efuse = false,
+ .do_toggle = true,
+ .do_toggle_once = false,
+ .use_default_parameter = false,
+ .check_rx_front_end_offset = false,
+};
+
+static const struct phy_cfg rtd1619_phy_cfg = {
+ .param_size = MAX_USB_PHY_DATA_SIZE,
+ .param = { [8] = {0x08, 0x3591},
+ [38] = {0x26, 0x840b},
+ [40] = {0x28, 0xf842}, },
+ .check_efuse = false,
+ .do_toggle = true,
+ .do_toggle_once = false,
+ .use_default_parameter = false,
+ .check_rx_front_end_offset = false,
+};
+
+static const struct phy_cfg rtd1319_phy_cfg = {
+ .param_size = MAX_USB_PHY_DATA_SIZE,
+ .param = { [1] = {0x01, 0xac86},
+ [6] = {0x06, 0x0003},
+ [9] = {0x09, 0x924c},
+ [10] = {0x0a, 0xa608},
+ [11] = {0x0b, 0xb905},
+ [14] = {0x0e, 0x2010},
+ [32] = {0x20, 0x705a},
+ [33] = {0x21, 0xf645},
+ [34] = {0x22, 0x0013},
+ [35] = {0x23, 0xcb66},
+ [41] = {0x29, 0xff00}, },
+ .check_efuse = true,
+ .do_toggle = true,
+ .do_toggle_once = false,
+ .use_default_parameter = false,
+ .check_rx_front_end_offset = false,
+};
+
+static const struct phy_cfg rtd1619b_phy_cfg = {
+ .param_size = MAX_USB_PHY_DATA_SIZE,
+ .param = { [1] = {0x01, 0xac8c},
+ [6] = {0x06, 0x0017},
+ [9] = {0x09, 0x724c},
+ [10] = {0x0a, 0xb610},
+ [11] = {0x0b, 0xb90d},
+ [13] = {0x0d, 0xef2a},
+ [15] = {0x0f, 0x9050},
+ [16] = {0x10, 0x000c},
+ [32] = {0x20, 0x70ff},
+ [34] = {0x22, 0x0013},
+ [35] = {0x23, 0xdb66},
+ [38] = {0x26, 0x8609},
+ [41] = {0x29, 0xff13},
+ [42] = {0x2a, 0x3070}, },
+ .check_efuse = true,
+ .do_toggle = false,
+ .do_toggle_once = true,
+ .use_default_parameter = false,
+ .check_rx_front_end_offset = false,
+};
+
+static const struct phy_cfg rtd1319d_phy_cfg = {
+ .param_size = MAX_USB_PHY_DATA_SIZE,
+ .param = { [1] = {0x01, 0xac89},
+ [4] = {0x04, 0xf2f5},
+ [6] = {0x06, 0x0017},
+ [9] = {0x09, 0x424c},
+ [10] = {0x0a, 0x9610},
+ [11] = {0x0b, 0x9901},
+ [12] = {0x0c, 0xf000},
+ [13] = {0x0d, 0xef2a},
+ [14] = {0x0e, 0x1000},
+ [15] = {0x0f, 0x9050},
+ [32] = {0x20, 0x7077},
+ [35] = {0x23, 0x0b62},
+ [37] = {0x25, 0x10ec},
+ [42] = {0x2a, 0x3070}, },
+ .check_efuse = true,
+ .do_toggle = false,
+ .do_toggle_once = true,
+ .use_default_parameter = false,
+ .check_rx_front_end_offset = true,
+};
+
+static const struct of_device_id usbphy_rtk_dt_match[] = {
+ { .compatible = "realtek,rtd1295-usb3phy", .data = &rtd1295_phy_cfg },
+ { .compatible = "realtek,rtd1319-usb3phy", .data = &rtd1319_phy_cfg },
+ { .compatible = "realtek,rtd1319d-usb3phy", .data = &rtd1319d_phy_cfg },
+ { .compatible = "realtek,rtd1619-usb3phy", .data = &rtd1619_phy_cfg },
+ { .compatible = "realtek,rtd1619b-usb3phy", .data = &rtd1619b_phy_cfg },
+ {},
+};
+MODULE_DEVICE_TABLE(of, usbphy_rtk_dt_match);
+
+static struct platform_driver rtk_usb3phy_driver = {
+ .probe = rtk_usb3phy_probe,
+ .remove_new = rtk_usb3phy_remove,
+ .driver = {
+ .name = "rtk-usb3phy",
+ .of_match_table = usbphy_rtk_dt_match,
+ },
+};
+
+module_platform_driver(rtk_usb3phy_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Stanley Chang <stanley_chang@realtek.com>");
+MODULE_DESCRIPTION("Realtek usb 3.0 phy driver");
--
GitLab
From 53a2d95df83688d0e160e3d55a925d85dbfd4809 Mon Sep 17 00:00:00 2001
From: Stanley Chang <stanley_chang@realtek.com>
Date: Wed, 13 Dec 2023 11:10:09 +0800
Subject: [PATCH 0143/2686] usb: core: add phy notify connect and disconnect
In Realtek SoC, the parameter of usb phy is designed to can dynamic
tuning base on port status. Therefore, add a notify callback of generic
phy driver when usb device connect and disconnect change.
The Realtek phy driver is designed to dynamically adjust disconnection
level and calibrate phy parameters. When the device connected bit changes
and when the disconnected bit changes, do connection change notification:
Check if portstatus is USB_PORT_STAT_CONNECTION and portchange is
USB_PORT_STAT_C_CONNECTION.
1. The device is connected, the driver lowers the disconnection level and
calibrates the phy parameters.
2. The device disconnects, the driver increases the disconnect level and
calibrates the phy parameters.
Generic phy driver in usb core framework does not support device connect
and disconnect notifications. Therefore, we add an api to notify phy
the connection changes.
Additionally, the generic phy only specifies primary_hcd in the original
design. Added specific "usb2-phy" on primary_hcd and "usb3-phy" on
shared_hcd.
Signed-off-by: Stanley Chang <stanley_chang@realtek.com>
Link: https://lore.kernel.org/r/20231213031203.4911-4-stanley_chang@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/hcd.c | 14 +++--
drivers/usb/core/hub.c | 29 ++++++++++
drivers/usb/core/phy.c | 120 +++++++++++++++++++++++++++++++++++++++++
drivers/usb/core/phy.h | 3 ++
4 files changed, 162 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index d56597dc7d422..14fc28c4cf485 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2792,10 +2792,16 @@ int usb_add_hcd(struct usb_hcd *hcd,
struct usb_device *rhdev;
struct usb_hcd *shared_hcd;
- if (!hcd->skip_phy_initialization && usb_hcd_is_primary_hcd(hcd)) {
- hcd->phy_roothub = usb_phy_roothub_alloc(hcd->self.sysdev);
- if (IS_ERR(hcd->phy_roothub))
- return PTR_ERR(hcd->phy_roothub);
+ if (!hcd->skip_phy_initialization) {
+ if (usb_hcd_is_primary_hcd(hcd)) {
+ hcd->phy_roothub = usb_phy_roothub_alloc(hcd->self.sysdev);
+ if (IS_ERR(hcd->phy_roothub))
+ return PTR_ERR(hcd->phy_roothub);
+ } else {
+ hcd->phy_roothub = usb_phy_roothub_alloc_usb3_phy(hcd->self.sysdev);
+ if (IS_ERR(hcd->phy_roothub))
+ return PTR_ERR(hcd->phy_roothub);
+ }
retval = usb_phy_roothub_init(hcd->phy_roothub);
if (retval)
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index ffd7c99e24a36..6f99557fa4bae 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -37,6 +37,7 @@
#include <asm/byteorder.h>
#include "hub.h"
+#include "phy.h"
#include "otg_productlist.h"
#define USB_VENDOR_GENESYS_LOGIC 0x05e3
@@ -634,6 +635,34 @@ static int hub_ext_port_status(struct usb_hub *hub, int port1, int type,
ret = 0;
}
mutex_unlock(&hub->status_mutex);
+
+ /*
+ * There is no need to lock status_mutex here, because status_mutex
+ * protects hub->status, and the phy driver only checks the port
+ * status without changing the status.
+ */
+ if (!ret) {
+ struct usb_device *hdev = hub->hdev;
+
+ /*
+ * Only roothub will be notified of connection changes,
+ * since the USB PHY only cares about changes at the next
+ * level.
+ */
+ if (is_root_hub(hdev)) {
+ struct usb_hcd *hcd = bus_to_hcd(hdev->bus);
+ bool connect;
+ bool connect_change;
+
+ connect_change = *change & USB_PORT_STAT_C_CONNECTION;
+ connect = *status & USB_PORT_STAT_CONNECTION;
+ if (connect_change && connect)
+ usb_phy_roothub_notify_connect(hcd->phy_roothub, port1 - 1);
+ else if (connect_change)
+ usb_phy_roothub_notify_disconnect(hcd->phy_roothub, port1 - 1);
+ }
+ }
+
return ret;
}
diff --git a/drivers/usb/core/phy.c b/drivers/usb/core/phy.c
index fb1588e7c2823..faa20054ad5a1 100644
--- a/drivers/usb/core/phy.c
+++ b/drivers/usb/core/phy.c
@@ -19,6 +19,30 @@ struct usb_phy_roothub {
struct list_head list;
};
+/* Allocate the roothub_entry by specific name of phy */
+static int usb_phy_roothub_add_phy_by_name(struct device *dev, const char *name,
+ struct list_head *list)
+{
+ struct usb_phy_roothub *roothub_entry;
+ struct phy *phy;
+
+ phy = devm_of_phy_get(dev, dev->of_node, name);
+ if (IS_ERR(phy))
+ return PTR_ERR(phy);
+
+ roothub_entry = devm_kzalloc(dev, sizeof(*roothub_entry), GFP_KERNEL);
+ if (!roothub_entry)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&roothub_entry->list);
+
+ roothub_entry->phy = phy;
+
+ list_add_tail(&roothub_entry->list, list);
+
+ return 0;
+}
+
static int usb_phy_roothub_add_phy(struct device *dev, int index,
struct list_head *list)
{
@@ -65,6 +89,9 @@ struct usb_phy_roothub *usb_phy_roothub_alloc(struct device *dev)
INIT_LIST_HEAD(&phy_roothub->list);
+ if (!usb_phy_roothub_add_phy_by_name(dev, "usb2-phy", &phy_roothub->list))
+ return phy_roothub;
+
for (i = 0; i < num_phys; i++) {
err = usb_phy_roothub_add_phy(dev, i, &phy_roothub->list);
if (err)
@@ -75,6 +102,41 @@ struct usb_phy_roothub *usb_phy_roothub_alloc(struct device *dev)
}
EXPORT_SYMBOL_GPL(usb_phy_roothub_alloc);
+/**
+ * usb_phy_roothub_alloc_usb3_phy - alloc the roothub
+ * @dev: the device of the host controller
+ *
+ * Allocate the usb phy roothub if the host use a generic usb3-phy.
+ *
+ * Return: On success, a pointer to the usb_phy_roothub. Otherwise,
+ * %NULL if no use usb3 phy or %-ENOMEM if out of memory.
+ */
+struct usb_phy_roothub *usb_phy_roothub_alloc_usb3_phy(struct device *dev)
+{
+ struct usb_phy_roothub *phy_roothub;
+ int num_phys;
+
+ if (!IS_ENABLED(CONFIG_GENERIC_PHY))
+ return NULL;
+
+ num_phys = of_count_phandle_with_args(dev->of_node, "phys",
+ "#phy-cells");
+ if (num_phys <= 0)
+ return NULL;
+
+ phy_roothub = devm_kzalloc(dev, sizeof(*phy_roothub), GFP_KERNEL);
+ if (!phy_roothub)
+ return ERR_PTR(-ENOMEM);
+
+ INIT_LIST_HEAD(&phy_roothub->list);
+
+ if (!usb_phy_roothub_add_phy_by_name(dev, "usb3-phy", &phy_roothub->list))
+ return phy_roothub;
+
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(usb_phy_roothub_alloc_usb3_phy);
+
int usb_phy_roothub_init(struct usb_phy_roothub *phy_roothub)
{
struct usb_phy_roothub *roothub_entry;
@@ -172,6 +234,64 @@ int usb_phy_roothub_calibrate(struct usb_phy_roothub *phy_roothub)
}
EXPORT_SYMBOL_GPL(usb_phy_roothub_calibrate);
+/**
+ * usb_phy_roothub_notify_connect() - connect notification
+ * @phy_roothub: the phy of roothub, if the host use a generic phy.
+ * @port: the port index for connect
+ *
+ * If the phy needs to get connection status, the callback can be used.
+ * Returns: %0 if successful, a negative error code otherwise
+ */
+int usb_phy_roothub_notify_connect(struct usb_phy_roothub *phy_roothub, int port)
+{
+ struct usb_phy_roothub *roothub_entry;
+ struct list_head *head;
+ int err;
+
+ if (!phy_roothub)
+ return 0;
+
+ head = &phy_roothub->list;
+
+ list_for_each_entry(roothub_entry, head, list) {
+ err = phy_notify_connect(roothub_entry->phy, port);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(usb_phy_roothub_notify_connect);
+
+/**
+ * usb_phy_roothub_notify_disconnect() - disconnect notification
+ * @phy_roothub: the phy of roothub, if the host use a generic phy.
+ * @port: the port index for disconnect
+ *
+ * If the phy needs to get connection status, the callback can be used.
+ * Returns: %0 if successful, a negative error code otherwise
+ */
+int usb_phy_roothub_notify_disconnect(struct usb_phy_roothub *phy_roothub, int port)
+{
+ struct usb_phy_roothub *roothub_entry;
+ struct list_head *head;
+ int err;
+
+ if (!phy_roothub)
+ return 0;
+
+ head = &phy_roothub->list;
+
+ list_for_each_entry(roothub_entry, head, list) {
+ err = phy_notify_disconnect(roothub_entry->phy, port);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(usb_phy_roothub_notify_disconnect);
+
int usb_phy_roothub_power_on(struct usb_phy_roothub *phy_roothub)
{
struct usb_phy_roothub *roothub_entry;
diff --git a/drivers/usb/core/phy.h b/drivers/usb/core/phy.h
index 20a267cd986b2..88b49c0ea6b58 100644
--- a/drivers/usb/core/phy.h
+++ b/drivers/usb/core/phy.h
@@ -12,6 +12,7 @@ struct device;
struct usb_phy_roothub;
struct usb_phy_roothub *usb_phy_roothub_alloc(struct device *dev);
+struct usb_phy_roothub *usb_phy_roothub_alloc_usb3_phy(struct device *dev);
int usb_phy_roothub_init(struct usb_phy_roothub *phy_roothub);
int usb_phy_roothub_exit(struct usb_phy_roothub *phy_roothub);
@@ -19,6 +20,8 @@ int usb_phy_roothub_exit(struct usb_phy_roothub *phy_roothub);
int usb_phy_roothub_set_mode(struct usb_phy_roothub *phy_roothub,
enum phy_mode mode);
int usb_phy_roothub_calibrate(struct usb_phy_roothub *phy_roothub);
+int usb_phy_roothub_notify_connect(struct usb_phy_roothub *phy_roothub, int port);
+int usb_phy_roothub_notify_disconnect(struct usb_phy_roothub *phy_roothub, int port);
int usb_phy_roothub_power_on(struct usb_phy_roothub *phy_roothub);
void usb_phy_roothub_power_off(struct usb_phy_roothub *phy_roothub);
--
GitLab
From fd2a052ccd69f3780b96291cacc21089e198d02c Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Mon, 22 Jan 2024 10:44:06 +0100
Subject: [PATCH 0144/2686] dt-bindings: usb: add common Type-C USB Switch
schema
Several bindings implement parts of Type-C USB orientation and mode
switching, and retiming. Keep definition of such properties in one
place, new usb-switch schema, to avoid duplicate defines.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240122094406.32198-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../devicetree/bindings/usb/fcs,fsa4480.yaml | 12 ++--
.../devicetree/bindings/usb/gpio-sbu-mux.yaml | 12 ++--
.../devicetree/bindings/usb/nxp,ptn36502.yaml | 12 ++--
.../bindings/usb/onnn,nb7vpq904m.yaml | 13 ++--
.../bindings/usb/qcom,wcd939x-usbss.yaml | 12 ++--
.../devicetree/bindings/usb/usb-switch.yaml | 67 +++++++++++++++++++
6 files changed, 92 insertions(+), 36 deletions(-)
create mode 100644 Documentation/devicetree/bindings/usb/usb-switch.yaml
diff --git a/Documentation/devicetree/bindings/usb/fcs,fsa4480.yaml b/Documentation/devicetree/bindings/usb/fcs,fsa4480.yaml
index f9410eb76a621..8b25b9a01ced3 100644
--- a/Documentation/devicetree/bindings/usb/fcs,fsa4480.yaml
+++ b/Documentation/devicetree/bindings/usb/fcs,fsa4480.yaml
@@ -27,13 +27,8 @@ properties:
vcc-supply:
description: power supply (2.7V-5.5V)
- mode-switch:
- description: Flag the port as possible handle of altmode switching
- type: boolean
-
- orientation-switch:
- description: Flag the port as possible handler of orientation switching
- type: boolean
+ mode-switch: true
+ orientation-switch: true
port:
$ref: /schemas/graph.yaml#/$defs/port-base
@@ -79,6 +74,9 @@ required:
- reg
- port
+allOf:
+ - $ref: usb-switch.yaml#
+
additionalProperties: false
examples:
diff --git a/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml b/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml
index d3b2b666ec2a4..88e1607cf053a 100644
--- a/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml
+++ b/Documentation/devicetree/bindings/usb/gpio-sbu-mux.yaml
@@ -33,13 +33,8 @@ properties:
vcc-supply:
description: power supply
- mode-switch:
- description: Flag the port as possible handle of altmode switching
- type: boolean
-
- orientation-switch:
- description: Flag the port as possible handler of orientation switching
- type: boolean
+ mode-switch: true
+ orientation-switch: true
port:
$ref: /schemas/graph.yaml#/properties/port
@@ -54,6 +49,9 @@ required:
- orientation-switch
- port
+allOf:
+ - $ref: usb-switch.yaml#
+
additionalProperties: false
examples:
diff --git a/Documentation/devicetree/bindings/usb/nxp,ptn36502.yaml b/Documentation/devicetree/bindings/usb/nxp,ptn36502.yaml
index eee548ac1abea..d805dde80796f 100644
--- a/Documentation/devicetree/bindings/usb/nxp,ptn36502.yaml
+++ b/Documentation/devicetree/bindings/usb/nxp,ptn36502.yaml
@@ -20,13 +20,8 @@ properties:
vdd18-supply:
description: Power supply for VDD18 pin
- retimer-switch:
- description: Flag the port as possible handle of SuperSpeed signals retiming
- type: boolean
-
- orientation-switch:
- description: Flag the port as possible handler of orientation switching
- type: boolean
+ orientation-switch: true
+ retimer-switch: true
ports:
$ref: /schemas/graph.yaml#/properties/ports
@@ -49,6 +44,9 @@ required:
- compatible
- reg
+allOf:
+ - $ref: usb-switch.yaml#
+
additionalProperties: false
examples:
diff --git a/Documentation/devicetree/bindings/usb/onnn,nb7vpq904m.yaml b/Documentation/devicetree/bindings/usb/onnn,nb7vpq904m.yaml
index c0201da002f62..589914d22bf25 100644
--- a/Documentation/devicetree/bindings/usb/onnn,nb7vpq904m.yaml
+++ b/Documentation/devicetree/bindings/usb/onnn,nb7vpq904m.yaml
@@ -21,14 +21,8 @@ properties:
description: power supply (1.8V)
enable-gpios: true
-
- retimer-switch:
- description: Flag the port as possible handle of SuperSpeed signals retiming
- type: boolean
-
- orientation-switch:
- description: Flag the port as possible handler of orientation switching
- type: boolean
+ orientation-switch: true
+ retimer-switch: true
ports:
$ref: /schemas/graph.yaml#/properties/ports
@@ -95,6 +89,9 @@ required:
- compatible
- reg
+allOf:
+ - $ref: usb-switch.yaml#
+
additionalProperties: false
examples:
diff --git a/Documentation/devicetree/bindings/usb/qcom,wcd939x-usbss.yaml b/Documentation/devicetree/bindings/usb/qcom,wcd939x-usbss.yaml
index 7ddfd3313a185..96346723f3e9c 100644
--- a/Documentation/devicetree/bindings/usb/qcom,wcd939x-usbss.yaml
+++ b/Documentation/devicetree/bindings/usb/qcom,wcd939x-usbss.yaml
@@ -35,13 +35,8 @@ properties:
vdd-supply:
description: USBSS VDD power supply
- mode-switch:
- description: Flag the port as possible handle of altmode switching
- type: boolean
-
- orientation-switch:
- description: Flag the port as possible handler of orientation switching
- type: boolean
+ mode-switch: true
+ orientation-switch: true
ports:
$ref: /schemas/graph.yaml#/properties/ports
@@ -63,6 +58,9 @@ required:
- reg
- ports
+allOf:
+ - $ref: usb-switch.yaml#
+
additionalProperties: false
examples:
diff --git a/Documentation/devicetree/bindings/usb/usb-switch.yaml b/Documentation/devicetree/bindings/usb/usb-switch.yaml
new file mode 100644
index 0000000000000..da76118e73a53
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/usb-switch.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/usb-switch.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: USB Orientation and Mode Switches Common Properties
+
+maintainers:
+ - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+description:
+ Common properties for devices handling USB mode and orientation switching.
+
+properties:
+ mode-switch:
+ description: Possible handler of altmode switching
+ type: boolean
+
+ orientation-switch:
+ description: Possible handler of orientation switching
+ type: boolean
+
+ retimer-switch:
+ description: Possible handler of SuperSpeed signals retiming
+ type: boolean
+
+ port:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ A port node to link the device to a TypeC controller for the purpose of
+ handling altmode muxing and orientation switching.
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Super Speed (SS) Output endpoint to the Type-C connector
+
+ port@1:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ description:
+ Super Speed (SS) Input endpoint from the Super-Speed PHY
+ unevaluatedProperties: false
+
+ properties:
+ endpoint:
+ $ref: /schemas/graph.yaml#/$defs/endpoint-base
+ unevaluatedProperties: false
+ properties:
+ data-lanes:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 8
+ uniqueItems: true
+ items:
+ maximum: 8
+
+oneOf:
+ - required:
+ - port
+ - required:
+ - ports
+
+additionalProperties: true
--
GitLab
From 665029ecd1e0e21718d284c4024add683c05e9f8 Mon Sep 17 00:00:00 2001
From: Rob Herring <robh@kernel.org>
Date: Wed, 24 Jan 2024 13:07:24 -0600
Subject: [PATCH 0145/2686] dt-bindings: usb: Clean-up "usb-phy" constraints
"usb-phy" has multiple type definitions. Unify the type with the looser
definition, phandle-array, as there are cases with multiple entries
(USB2 and USB3). However, the 'phandle-array' type alone is a bit
ambiguous. It can be either just an array of phandles or an array of
phandles plus args. "usb-phy" is the former and needs to constrain each
entry to a single phandle value.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240124190725.1554080-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml | 2 +-
Documentation/devicetree/bindings/usb/usb.yaml | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
index b7e664f7395b3..3b56e0edb1c67 100644
--- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
+++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.yaml
@@ -313,7 +313,7 @@ properties:
usb-phy:
description: phandle for the PHY device. Use "phys" instead.
- $ref: /schemas/types.yaml#/definitions/phandle
+ maxItems: 1
deprecated: true
fsl,usbphy:
diff --git a/Documentation/devicetree/bindings/usb/usb.yaml b/Documentation/devicetree/bindings/usb/usb.yaml
index 326b14f05d1c4..1761b7aa92f05 100644
--- a/Documentation/devicetree/bindings/usb/usb.yaml
+++ b/Documentation/devicetree/bindings/usb/usb.yaml
@@ -25,6 +25,8 @@ properties:
usb-phy:
$ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ maxItems: 1
description:
List of all the USB PHYs on this HCD to be accepted by the legacy USB
Physical Layer subsystem.
--
GitLab
From f99044cd1451d13f2d812ede24eb186ea6335a07 Mon Sep 17 00:00:00 2001
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: Mon, 22 Jan 2024 12:18:08 +0100
Subject: [PATCH 0146/2686] dt-bindings: usb: mtu3: Add MT8195 MTU3 ip-sleep
support
Of the four USB controllers present on the MediaTek MT8195 SoC, three
of them (0, 2 and 3) are behind MTU3: add wakeup controls for them.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240122111809.148546-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
index a59d91243ac83..d4e187c78a0b5 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
@@ -185,7 +185,10 @@ properties:
2 - used by mt2712 etc, revision 2 with following IPM rule;
101 - used by mt8183, specific 1.01;
102 - used by mt8192, specific 1.02;
- enum: [1, 2, 101, 102]
+ 103 - used by mt8195, IP0, specific 1.03;
+ 105 - used by mt8195, IP2, specific 1.05;
+ 106 - used by mt8195, IP3, specific 1.06;
+ enum: [1, 2, 101, 102, 103, 105, 106]
mediatek,u3p-dis-msk:
$ref: /schemas/types.yaml#/definitions/uint32
--
GitLab
From 4158af057c7f84790d7b04f589d5b8a93fddf469 Mon Sep 17 00:00:00 2001
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: Mon, 22 Jan 2024 12:18:09 +0100
Subject: [PATCH 0147/2686] usb: mtu3: Add MT8195 MTU3 ip-sleep wakeup support
Add support for the ip-sleep wakeup functionality on the three MTU3
controllers found on the MT8195 SoC.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20240122111809.148546-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/mtu3/mtu3_host.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c
index 9f2be22af8440..7c657ea2dabd1 100644
--- a/drivers/usb/mtu3/mtu3_host.c
+++ b/drivers/usb/mtu3/mtu3_host.c
@@ -34,6 +34,18 @@
#define WC0_SSUSB0_CDEN BIT(6)
#define WC0_IS_SPM_EN BIT(1)
+/* mt8195 */
+#define PERI_WK_CTRL0_8195 0x04
+#define WC0_IS_P_95 BIT(30) /* polarity */
+#define WC0_IS_C_95(x) ((u32)(((x) & 0x7) << 27))
+#define WC0_IS_EN_P3_95 BIT(26)
+#define WC0_IS_EN_P2_95 BIT(25)
+
+#define PERI_WK_CTRL1_8195 0x20
+#define WC1_IS_C_95(x) ((u32)(((x) & 0xf) << 28))
+#define WC1_IS_P_95 BIT(12)
+#define WC1_IS_EN_P0_95 BIT(6)
+
/* mt2712 etc */
#define PERI_SSUSB_SPM_CTRL 0x0
#define SSC_IP_SLEEP_EN BIT(4)
@@ -44,6 +56,9 @@ enum ssusb_uwk_vers {
SSUSB_UWK_V2,
SSUSB_UWK_V1_1 = 101, /* specific revision 1.01 */
SSUSB_UWK_V1_2, /* specific revision 1.02 */
+ SSUSB_UWK_V1_3, /* mt8195 IP0 */
+ SSUSB_UWK_V1_5 = 105, /* mt8195 IP2 */
+ SSUSB_UWK_V1_6, /* mt8195 IP3 */
};
/*
@@ -70,6 +85,21 @@ static void ssusb_wakeup_ip_sleep_set(struct ssusb_mtk *ssusb, bool enable)
msk = WC0_SSUSB0_CDEN | WC0_IS_SPM_EN;
val = enable ? msk : 0;
break;
+ case SSUSB_UWK_V1_3:
+ reg = ssusb->uwk_reg_base + PERI_WK_CTRL1_8195;
+ msk = WC1_IS_EN_P0_95 | WC1_IS_C_95(0xf) | WC1_IS_P_95;
+ val = enable ? (WC1_IS_EN_P0_95 | WC1_IS_C_95(0x1)) : 0;
+ break;
+ case SSUSB_UWK_V1_5:
+ reg = ssusb->uwk_reg_base + PERI_WK_CTRL0_8195;
+ msk = WC0_IS_EN_P2_95 | WC0_IS_C_95(0x7) | WC0_IS_P_95;
+ val = enable ? (WC0_IS_EN_P2_95 | WC0_IS_C_95(0x1)) : 0;
+ break;
+ case SSUSB_UWK_V1_6:
+ reg = ssusb->uwk_reg_base + PERI_WK_CTRL0_8195;
+ msk = WC0_IS_EN_P3_95 | WC0_IS_C_95(0x7) | WC0_IS_P_95;
+ val = enable ? (WC0_IS_EN_P3_95 | WC0_IS_C_95(0x1)) : 0;
+ break;
case SSUSB_UWK_V2:
reg = ssusb->uwk_reg_base + PERI_SSUSB_SPM_CTRL;
msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN;
--
GitLab
From c281d8a5a58a8c2dca797132ff48033d50fde742 Mon Sep 17 00:00:00 2001
From: Sean Anderson <sean.anderson@seco.com>
Date: Tue, 23 Jan 2024 17:51:08 -0500
Subject: [PATCH 0148/2686] dt-bindings: usb: usb-nop-xceiv: Repurpose
vbus-regulator
The vbus-regulator property was never actually read from the device tree.
Introduce a new property vbus-supply to represent the regulator powering
the VBUS when acting as an A-Device. This supply will be enabled and
disabled as necessary. Note that this is different from vbus-regulator,
which represented the available current available to draw from VBUS in
B-Device mode. Because no one was using vbus-regulator, remove it.
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240123225111.1629405-2-sean.anderson@seco.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../devicetree/bindings/usb/usb-nop-xceiv.yaml | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.yaml b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.yaml
index 6734f4d3aa789..9b3ea23654af6 100644
--- a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.yaml
@@ -37,10 +37,11 @@ properties:
description: Should specify the GPIO detecting a VBus insertion
maxItems: 1
- vbus-regulator:
- description: Should specify the regulator supplying current drawn from
- the VBus line.
- $ref: /schemas/types.yaml#/definitions/phandle
+ vbus-supply:
+ description: regulator supplying VBUS. It will be enabled and disabled
+ dynamically in OTG mode. If the regulator is controlled by a
+ GPIO line, this should be modeled as a regulator-fixed and
+ referenced by this supply.
wakeup-source:
description:
@@ -65,7 +66,7 @@ examples:
vcc-supply = <&hsusb1_vcc_regulator>;
reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
vbus-detect-gpio = <&gpio2 13 GPIO_ACTIVE_HIGH>;
- vbus-regulator = <&vbus_regulator>;
+ vbus-supply = <&vbus_regulator>;
#phy-cells = <0>;
};
--
GitLab
From 75fd6485cccef269ac9eb3b71cf56753341195ef Mon Sep 17 00:00:00 2001
From: Sean Anderson <sean.anderson@seco.com>
Date: Tue, 23 Jan 2024 17:51:09 -0500
Subject: [PATCH 0149/2686] usb: phy: generic: Get the vbus supply
While support for working with a vbus was added, the regulator was never
actually gotten (despite what was documented). Fix this by actually
getting the supply from the device tree.
Fixes: 7acc9973e3c4 ("usb: phy: generic: add vbus support")
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Link: https://lore.kernel.org/r/20240123225111.1629405-3-sean.anderson@seco.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/phy/phy-generic.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index 9ab50f26db607..16494030209ea 100644
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -274,6 +274,13 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop)
return dev_err_probe(dev, PTR_ERR(nop->vbus_draw),
"could not get vbus regulator\n");
+ nop->vbus_draw = devm_regulator_get_exclusive(dev, "vbus");
+ if (PTR_ERR(nop->vbus_draw) == -ENODEV)
+ nop->vbus_draw = NULL;
+ if (IS_ERR(nop->vbus_draw))
+ return dev_err_probe(dev, PTR_ERR(nop->vbus_draw),
+ "could not get vbus regulator\n");
+
nop->dev = dev;
nop->phy.dev = nop->dev;
nop->phy.label = "nop-xceiv";
--
GitLab
From 562898808cb17fdea92953e6a69c193b783d7b3f Mon Sep 17 00:00:00 2001
From: Sean Anderson <sean.anderson@seco.com>
Date: Tue, 23 Jan 2024 17:51:10 -0500
Subject: [PATCH 0150/2686] usb: phy: generic: Implement otg->set_vbus
Some USB controller drivers call otg_set_vbus when entering host or
device mode. Implement this callback so that VBUS can be turned on and
off automatically. This is especially useful when there is no property
for a VBUS supply in the controller's binding.
This results in a change in semantics of the vbus_draw regulator.
Whereas before it represented the VBUS supplied by an A-Device when we
acted as a B-Device, now it represents an internal VBUS source.
Accordingly, we no longer set the current limit or enable/disable the
bus from nop_gpio_vbus_thread. Because this supply was never initialized
before the previous commit, there should be no change in behavior.
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Link: https://lore.kernel.org/r/20240123225111.1629405-4-sean.anderson@seco.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/phy/phy-generic.c | 45 +++++++++++++----------------------
1 file changed, 17 insertions(+), 28 deletions(-)
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index 16494030209ea..f7db24b5ed5c0 100644
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -74,33 +74,26 @@ static void nop_reset(struct usb_phy_generic *nop)
}
/* interface to regulator framework */
-static void nop_set_vbus_draw(struct usb_phy_generic *nop, unsigned mA)
+static int nop_set_vbus(struct usb_otg *otg, bool enable)
{
- struct regulator *vbus_draw = nop->vbus_draw;
- int enabled;
- int ret;
+ int ret = 0;
+ struct usb_phy_generic *nop = dev_get_drvdata(otg->usb_phy->dev);
- if (!vbus_draw)
- return;
+ if (!nop->vbus_draw)
+ return 0;
- enabled = nop->vbus_draw_enabled;
- if (mA) {
- regulator_set_current_limit(vbus_draw, 0, 1000 * mA);
- if (!enabled) {
- ret = regulator_enable(vbus_draw);
- if (ret < 0)
- return;
- nop->vbus_draw_enabled = 1;
- }
- } else {
- if (enabled) {
- ret = regulator_disable(vbus_draw);
- if (ret < 0)
- return;
- nop->vbus_draw_enabled = 0;
- }
+ if (enable && !nop->vbus_draw_enabled) {
+ ret = regulator_enable(nop->vbus_draw);
+ if (ret)
+ nop->vbus_draw_enabled = false;
+ else
+ nop->vbus_draw_enabled = true;
+
+ } else if (!enable && nop->vbus_draw_enabled) {
+ ret = regulator_disable(nop->vbus_draw);
+ nop->vbus_draw_enabled = false;
}
- nop->mA = mA;
+ return ret;
}
@@ -120,14 +113,9 @@ static irqreturn_t nop_gpio_vbus_thread(int irq, void *data)
otg->state = OTG_STATE_B_PERIPHERAL;
nop->phy.last_event = status;
- /* drawing a "unit load" is *always* OK, except for OTG */
- nop_set_vbus_draw(nop, 100);
-
atomic_notifier_call_chain(&nop->phy.notifier, status,
otg->gadget);
} else {
- nop_set_vbus_draw(nop, 0);
-
status = USB_EVENT_NONE;
otg->state = OTG_STATE_B_IDLE;
nop->phy.last_event = status;
@@ -291,6 +279,7 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop)
nop->phy.otg->usb_phy = &nop->phy;
nop->phy.otg->set_host = nop_set_host;
nop->phy.otg->set_peripheral = nop_set_peripheral;
+ nop->phy.otg->set_vbus = nop_set_vbus;
return 0;
}
--
GitLab
From 9f60a0cfa8fb8aa66262638771e9e9804efa490e Mon Sep 17 00:00:00 2001
From: Sean Anderson <sean.anderson@seco.com>
Date: Tue, 23 Jan 2024 17:51:11 -0500
Subject: [PATCH 0151/2686] usb: phy: generic: Disable vbus on removal
If we enabled vbus, we need to balance that with a disable.
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Link: https://lore.kernel.org/r/20240123225111.1629405-5-sean.anderson@seco.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/phy/phy-generic.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index f7db24b5ed5c0..8f735a86cd197 100644
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -337,6 +337,9 @@ static void usb_phy_generic_remove(struct platform_device *pdev)
struct usb_phy_generic *nop = platform_get_drvdata(pdev);
usb_remove_phy(&nop->phy);
+
+ if (nop->vbus_draw && nop->vbus_draw_enabled)
+ regulator_disable(nop->vbus_draw);
}
static const struct of_device_id nop_xceiv_dt_ids[] = {
--
GitLab
From 7494d4bc8e32a9480fd56b018db8e404b54b24e6 Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Mon, 8 Jan 2024 19:16:14 +0000
Subject: [PATCH 0152/2686] usb: typec: altmodes: add typec_cable_ops to
typec_altmode
Add typec_cable_ops struct for enter, exit, and vdm. The struct is added
to typec_altmode so port alt modes can have access to partner and cable
specific callbacks, and alt mode drivers can specify operations over SOP'
and SOP'' without modifying the existing API.
typec_port_register_cable_ops is added as a new symbol for port drivers
to use to register cable operations to their registered port alt modes.
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240108191620.987785-15-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/bus.c | 102 ++++++++++++++++++++++++++++++
drivers/usb/typec/class.c | 19 ++++++
include/linux/usb/typec.h | 4 ++
include/linux/usb/typec_altmode.h | 20 ++++++
4 files changed, 145 insertions(+)
diff --git a/drivers/usb/typec/bus.c b/drivers/usb/typec/bus.c
index e95ec7e382bb7..6ea103e1abae9 100644
--- a/drivers/usb/typec/bus.c
+++ b/drivers/usb/typec/bus.c
@@ -244,6 +244,108 @@ typec_altmode_get_partner(struct typec_altmode *adev)
}
EXPORT_SYMBOL_GPL(typec_altmode_get_partner);
+/* -------------------------------------------------------------------------- */
+/* API for cable alternate modes */
+
+/**
+ * typec_cable_altmode_enter - Enter Mode
+ * @adev: The alternate mode
+ * @sop: Cable plug target for Enter Mode command
+ * @vdo: VDO for the Enter Mode command
+ *
+ * Alternate mode drivers use this function to enter mode on the cable plug.
+ * If the alternate mode does not require VDO, @vdo must be NULL.
+ */
+int typec_cable_altmode_enter(struct typec_altmode *adev, enum typec_plug_index sop, u32 *vdo)
+{
+ struct altmode *partner = to_altmode(adev)->partner;
+ struct typec_altmode *pdev;
+
+ if (!adev || adev->active)
+ return 0;
+
+ if (!partner)
+ return -ENODEV;
+
+ pdev = &partner->adev;
+
+ if (!pdev->active)
+ return -EPERM;
+
+ if (!pdev->cable_ops || !pdev->cable_ops->enter)
+ return -EOPNOTSUPP;
+
+ return pdev->cable_ops->enter(pdev, sop, vdo);
+}
+EXPORT_SYMBOL_GPL(typec_cable_altmode_enter);
+
+/**
+ * typec_cable_altmode_exit - Exit Mode
+ * @adev: The alternate mode
+ * @sop: Cable plug target for Exit Mode command
+ *
+ * The alternate mode drivers use this function to exit mode on the cable plug.
+ */
+int typec_cable_altmode_exit(struct typec_altmode *adev, enum typec_plug_index sop)
+{
+ struct altmode *partner = to_altmode(adev)->partner;
+ struct typec_altmode *pdev;
+
+ if (!adev || !adev->active)
+ return 0;
+
+ if (!partner)
+ return -ENODEV;
+
+ pdev = &partner->adev;
+
+ if (!pdev->cable_ops || !pdev->cable_ops->exit)
+ return -EOPNOTSUPP;
+
+ return pdev->cable_ops->exit(pdev, sop);
+}
+EXPORT_SYMBOL_GPL(typec_cable_altmode_exit);
+
+/**
+ * typec_cable_altmode_vdm - Send Vendor Defined Messages (VDM) between the cable plug and port.
+ * @adev: Alternate mode handle
+ * @sop: Cable plug target for VDM
+ * @header: VDM Header
+ * @vdo: Array of Vendor Defined Data Objects
+ * @count: Number of Data Objects
+ *
+ * The alternate mode drivers use this function for SVID specific communication
+ * with the cable plugs. The port drivers use it to deliver the Structured VDMs
+ * received from the cable plugs to the alternate mode drivers.
+ */
+int typec_cable_altmode_vdm(struct typec_altmode *adev, enum typec_plug_index sop,
+ const u32 header, const u32 *vdo, int count)
+{
+ struct altmode *altmode;
+ struct typec_altmode *pdev;
+
+ if (!adev)
+ return 0;
+
+ altmode = to_altmode(adev);
+
+ if (is_typec_plug(adev->dev.parent)) {
+ if (!altmode->partner)
+ return -ENODEV;
+ pdev = &altmode->partner->adev;
+ } else {
+ if (!altmode->plug[sop])
+ return -ENODEV;
+ pdev = &altmode->plug[sop]->adev;
+ }
+
+ if (!pdev->cable_ops || !pdev->cable_ops->vdm)
+ return -EOPNOTSUPP;
+
+ return pdev->cable_ops->vdm(pdev, sop, header, vdo, count);
+}
+EXPORT_SYMBOL_GPL(typec_cable_altmode_vdm);
+
/* -------------------------------------------------------------------------- */
/* API for the alternate mode drivers */
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index 015aa92533536..8fc9795d6bd4a 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -2280,6 +2280,25 @@ void typec_port_register_altmodes(struct typec_port *port,
}
EXPORT_SYMBOL_GPL(typec_port_register_altmodes);
+/**
+ * typec_port_register_cable_ops - Register typec_cable_ops to port altmodes
+ * @altmodes: USB Type-C Port's altmode vector
+ * @max_altmodes: The maximum number of alt modes supported by the port
+ * @ops: Cable alternate mode vector
+ */
+void typec_port_register_cable_ops(struct typec_altmode **altmodes, int max_altmodes,
+ const struct typec_cable_ops *ops)
+{
+ int i;
+
+ for (i = 0; i < max_altmodes; i++) {
+ if (!altmodes[i])
+ return;
+ altmodes[i]->cable_ops = ops;
+ }
+}
+EXPORT_SYMBOL_GPL(typec_port_register_cable_ops);
+
/**
* typec_register_port - Register a USB Type-C Port
* @parent: Parent device
diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h
index a05d6f6f25369..38f93d72fd1be 100644
--- a/include/linux/usb/typec.h
+++ b/include/linux/usb/typec.h
@@ -18,6 +18,7 @@ struct typec_cable;
struct typec_plug;
struct typec_port;
struct typec_altmode_ops;
+struct typec_cable_ops;
struct fwnode_handle;
struct device;
@@ -157,6 +158,9 @@ void typec_port_register_altmodes(struct typec_port *port,
const struct typec_altmode_ops *ops, void *drvdata,
struct typec_altmode **altmodes, size_t n);
+void typec_port_register_cable_ops(struct typec_altmode **altmodes, int max_altmodes,
+ const struct typec_cable_ops *ops);
+
void typec_unregister_altmode(struct typec_altmode *altmode);
struct typec_port *typec_altmode2port(struct typec_altmode *alt);
diff --git a/include/linux/usb/typec_altmode.h b/include/linux/usb/typec_altmode.h
index 28aeef8f9e7b5..72ec8058543ac 100644
--- a/include/linux/usb/typec_altmode.h
+++ b/include/linux/usb/typec_altmode.h
@@ -20,6 +20,7 @@ struct typec_altmode_ops;
* @active: Tells has the mode been entered or not
* @desc: Optional human readable description of the mode
* @ops: Operations vector from the driver
+ * @cable_ops: Cable operations vector from the driver.
*/
struct typec_altmode {
struct device dev;
@@ -30,6 +31,7 @@ struct typec_altmode {
char *desc;
const struct typec_altmode_ops *ops;
+ const struct typec_cable_ops *cable_ops;
};
#define to_typec_altmode(d) container_of(d, struct typec_altmode, dev)
@@ -75,6 +77,24 @@ int typec_altmode_notify(struct typec_altmode *altmode, unsigned long conf,
const struct typec_altmode *
typec_altmode_get_partner(struct typec_altmode *altmode);
+/**
+ * struct typec_cable_ops - Cable alternate mode operations vector
+ * @enter: Operations to be executed with Enter Mode Command
+ * @exit: Operations to be executed with Exit Mode Command
+ * @vdm: Callback for SVID specific commands
+ */
+struct typec_cable_ops {
+ int (*enter)(struct typec_altmode *altmode, enum typec_plug_index sop, u32 *vdo);
+ int (*exit)(struct typec_altmode *altmode, enum typec_plug_index sop);
+ int (*vdm)(struct typec_altmode *altmode, enum typec_plug_index sop,
+ const u32 hdr, const u32 *vdo, int cnt);
+};
+
+int typec_cable_altmode_enter(struct typec_altmode *altmode, enum typec_plug_index sop, u32 *vdo);
+int typec_cable_altmode_exit(struct typec_altmode *altmode, enum typec_plug_index sop);
+int typec_cable_altmode_vdm(struct typec_altmode *altmode, enum typec_plug_index sop,
+ const u32 header, const u32 *vdo, int count);
+
/*
* These are the connector states (USB, Safe and Alt Mode) defined in USB Type-C
* Specification. SVID specific connector states are expected to follow and
--
GitLab
From 231b7318413cef0f8e5c2ca8db1a95b666c25d70 Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Mon, 8 Jan 2024 19:16:15 +0000
Subject: [PATCH 0153/2686] usb: typec: altmodes: add svdm version info for
typec cables
Add typec_cable_set_svdm_version and typec_get_cable_svdm version symbols.
Cables can operate under a lower PD revision than the port partner, and the
max SVDM version is tied to the PD revision. So, typec_cable maintains its
own svdm_version.
Add typec_altmode_get_cable_svdm_version to return the cable's negotiated
svdm_version for altmode drivers to use.
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240108191620.987785-16-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/class.c | 40 +++++++++++++++++++++++++++++++
drivers/usb/typec/class.h | 1 +
include/linux/usb/typec.h | 3 +++
include/linux/usb/typec_altmode.h | 10 ++++++++
4 files changed, 54 insertions(+)
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index 8fc9795d6bd4a..caea2b8299800 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -2131,6 +2131,46 @@ int typec_get_negotiated_svdm_version(struct typec_port *port)
}
EXPORT_SYMBOL_GPL(typec_get_negotiated_svdm_version);
+/**
+ * typec_get_cable_svdm_version - Get cable negotiated SVDM Version
+ * @port: USB Type-C Port.
+ *
+ * Get the negotiated SVDM Version for the cable. The Version is set to the port
+ * default value based on the PD Revision during cable registration, and updated
+ * after a successful Discover Identity if the negotiated value is less than the
+ * default.
+ *
+ * Returns usb_pd_svdm_ver if the cable has been registered otherwise -ENODEV.
+ */
+int typec_get_cable_svdm_version(struct typec_port *port)
+{
+ enum usb_pd_svdm_ver svdm_version;
+ struct device *cable_dev;
+
+ cable_dev = device_find_child(&port->dev, NULL, cable_match);
+ if (!cable_dev)
+ return -ENODEV;
+
+ svdm_version = to_typec_cable(cable_dev)->svdm_version;
+ put_device(cable_dev);
+
+ return svdm_version;
+}
+EXPORT_SYMBOL_GPL(typec_get_cable_svdm_version);
+
+/**
+ * typec_cable_set_svdm_version - Set negotiated Structured VDM (SVDM) Version
+ * @cable: USB Type-C Active Cable that supports SVDM
+ * @svdm_version: Negotiated SVDM Version
+ *
+ * This routine is used to save the negotiated SVDM Version.
+ */
+void typec_cable_set_svdm_version(struct typec_cable *cable, enum usb_pd_svdm_ver svdm_version)
+{
+ cable->svdm_version = svdm_version;
+}
+EXPORT_SYMBOL_GPL(typec_cable_set_svdm_version);
+
/**
* typec_get_drvdata - Return private driver data pointer
* @port: USB Type-C port
diff --git a/drivers/usb/typec/class.h b/drivers/usb/typec/class.h
index c36761ba3f599..759b98355eeb9 100644
--- a/drivers/usb/typec/class.h
+++ b/drivers/usb/typec/class.h
@@ -23,6 +23,7 @@ struct typec_cable {
struct usb_pd_identity *identity;
unsigned int active:1;
u16 pd_revision; /* 0300H = "3.0" */
+ enum usb_pd_svdm_ver svdm_version;
};
struct typec_partner {
diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h
index 38f93d72fd1be..b35b427561ab5 100644
--- a/include/linux/usb/typec.h
+++ b/include/linux/usb/typec.h
@@ -337,6 +337,9 @@ void typec_partner_set_svdm_version(struct typec_partner *partner,
enum usb_pd_svdm_ver svdm_version);
int typec_get_negotiated_svdm_version(struct typec_port *port);
+int typec_get_cable_svdm_version(struct typec_port *port);
+void typec_cable_set_svdm_version(struct typec_cable *cable, enum usb_pd_svdm_ver svdm_version);
+
struct usb_power_delivery *typec_partner_usb_power_delivery_register(struct typec_partner *partner,
struct usb_power_delivery_desc *desc);
diff --git a/include/linux/usb/typec_altmode.h b/include/linux/usb/typec_altmode.h
index 72ec8058543ac..b3c0866ea70f9 100644
--- a/include/linux/usb/typec_altmode.h
+++ b/include/linux/usb/typec_altmode.h
@@ -95,6 +95,16 @@ int typec_cable_altmode_exit(struct typec_altmode *altmode, enum typec_plug_inde
int typec_cable_altmode_vdm(struct typec_altmode *altmode, enum typec_plug_index sop,
const u32 header, const u32 *vdo, int count);
+/**
+ * typec_altmode_get_cable_svdm_version - Get negotiated SVDM version for cable plug
+ * @altmode: Handle to the alternate mode
+ */
+static inline int
+typec_altmode_get_cable_svdm_version(struct typec_altmode *altmode)
+{
+ return typec_get_cable_svdm_version(typec_altmode2port(altmode));
+}
+
/*
* These are the connector states (USB, Safe and Alt Mode) defined in USB Type-C
* Specification. SVID specific connector states are expected to follow and
--
GitLab
From 59cd27a0cab1ceddcc4251309fd3643921ed9ab9 Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Mon, 8 Jan 2024 19:16:16 +0000
Subject: [PATCH 0154/2686] usb: typec: tcpci: add cable_comm_capable attribute
Add cable_comm_capable to tcpci_data for tcpci drivers to indicate that
the port tcpc is capable of communicating to cables over SOP. A
corresponding tcpci callback tcpci_cable_comm_capable returns this value.
The tcpm will primarily use this in later patches to determine if the port
can transmit and receive SOP' messages.
Maxim based tcpci drivers are capable of SOP' communication, so the
cable_comm_capable flag is set to true.
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240108191620.987785-17-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpci.c | 8 ++++++++
drivers/usb/typec/tcpm/tcpci_maxim_core.c | 1 +
include/linux/usb/tcpci.h | 3 +++
include/linux/usb/tcpm.h | 4 ++++
4 files changed, 16 insertions(+)
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index 0ee3e6e29bb17..1ededbcecc09c 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -584,6 +584,13 @@ static int tcpci_pd_transmit(struct tcpc_dev *tcpc, enum tcpm_transmit_type type
return 0;
}
+static bool tcpci_cable_comm_capable(struct tcpc_dev *tcpc)
+{
+ struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
+
+ return tcpci->data->cable_comm_capable;
+}
+
static int tcpci_init(struct tcpc_dev *tcpc)
{
struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
@@ -793,6 +800,7 @@ struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data)
tcpci->tcpc.enable_frs = tcpci_enable_frs;
tcpci->tcpc.frs_sourcing_vbus = tcpci_frs_sourcing_vbus;
tcpci->tcpc.set_partner_usb_comm_capable = tcpci_set_partner_usb_comm_capable;
+ tcpci->tcpc.cable_comm_capable = tcpci_cable_comm_capable;
if (tcpci->data->check_contaminant)
tcpci->tcpc.check_contaminant = tcpci_check_contaminant;
diff --git a/drivers/usb/typec/tcpm/tcpci_maxim_core.c b/drivers/usb/typec/tcpm/tcpci_maxim_core.c
index 7fb966fd639b3..7b2d4e6e52a20 100644
--- a/drivers/usb/typec/tcpm/tcpci_maxim_core.c
+++ b/drivers/usb/typec/tcpm/tcpci_maxim_core.c
@@ -478,6 +478,7 @@ static int max_tcpci_probe(struct i2c_client *client)
chip->data.vbus_vsafe0v = true;
chip->data.set_partner_usb_comm_capable = max_tcpci_set_partner_usb_comm_capable;
chip->data.check_contaminant = max_tcpci_check_contaminant;
+ chip->data.cable_comm_capable = true;
max_tcpci_init_regs(chip);
chip->tcpci = tcpci_register_port(chip->dev, &chip->data);
diff --git a/include/linux/usb/tcpci.h b/include/linux/usb/tcpci.h
index 467e8045e9f86..1d0b849defd07 100644
--- a/include/linux/usb/tcpci.h
+++ b/include/linux/usb/tcpci.h
@@ -198,12 +198,15 @@ struct tcpci;
* Chip level drivers are expected to check for contaminant and call
* tcpm_clean_port when the port is clean to put the port back into
* toggling state.
+ * @cable_comm_capable
+ * optional; Set when TCPC can communicate with cable plugs over SOP'
*/
struct tcpci_data {
struct regmap *regmap;
unsigned char TX_BUF_BYTE_x_hidden:1;
unsigned char auto_discharge_disconnect:1;
unsigned char vbus_vsafe0v:1;
+ unsigned char cable_comm_capable:1;
int (*init)(struct tcpci *tcpci, struct tcpci_data *data);
int (*set_vconn)(struct tcpci *tcpci, struct tcpci_data *data,
diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
index 65fac5e1f3178..430fa3ec69bb6 100644
--- a/include/linux/usb/tcpm.h
+++ b/include/linux/usb/tcpm.h
@@ -119,6 +119,9 @@ enum tcpm_transmit_type {
* at the end of the deboumce period or when the port is still
* toggling. Chip level drivers are expected to check for contaminant
* and call tcpm_clean_port when the port is clean.
+ * @cable_comm_capable
+ * Optional; Returns whether cable communication over SOP' is supported
+ * by the tcpc
*/
struct tcpc_dev {
struct fwnode_handle *fwnode;
@@ -154,6 +157,7 @@ struct tcpc_dev {
bool (*is_vbus_vsafe0v)(struct tcpc_dev *dev);
void (*set_partner_usb_comm_capable)(struct tcpc_dev *dev, bool enable);
void (*check_contaminant)(struct tcpc_dev *dev);
+ bool (*cable_comm_capable)(struct tcpc_dev *dev);
};
struct tcpm_port;
--
GitLab
From 3bbb9ba4f66006f27ad0d5ceaf2480117e16d489 Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Mon, 8 Jan 2024 19:16:17 +0000
Subject: [PATCH 0155/2686] usb: typec: tcpci: add tcpm_transmit_type to
tcpm_pd_receive
tcpm_pd_receive adds the SOP type as a parameter, and passes it within the
pd_rx_event struct for tcpm_pd_rx_handler to use. For now, the handler
drops all SOP' messages.
Maxim based tcpci drivers are capable of SOP' communication, so process_rx
now takes the SOP type into account and passes the value to
tcpm_pd_receive.
tcpci_set_pd_rx now utilizes the cable_comm_capable flag to determine if
TCPC_RX_DETECT_SOP1 should be added to the bitfield when enabling PD
message reception.
For all other consumers of tcpm_pd_receive, default the new field to
TCPC_TX_SOP.
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240108191620.987785-18-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/fusb302.c | 2 +-
.../typec/tcpm/qcom/qcom_pmic_typec_pdphy.c | 2 +-
drivers/usb/typec/tcpm/tcpci.c | 7 +++++--
drivers/usb/typec/tcpm/tcpci_maxim_core.c | 20 ++++++++++++++++---
drivers/usb/typec/tcpm/tcpm.c | 10 +++++++++-
drivers/usb/typec/tcpm/wcove.c | 2 +-
include/linux/usb/tcpci.h | 1 +
include/linux/usb/tcpm.h | 3 ++-
8 files changed, 37 insertions(+), 10 deletions(-)
diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c
index bc21006e979c6..ef18a448b7406 100644
--- a/drivers/usb/typec/tcpm/fusb302.c
+++ b/drivers/usb/typec/tcpm/fusb302.c
@@ -1467,7 +1467,7 @@ static int fusb302_pd_read_message(struct fusb302_chip *chip,
if ((!len) && (pd_header_type_le(msg->header) == PD_CTRL_GOOD_CRC))
tcpm_pd_transmit_complete(chip->tcpm_port, TCPC_TX_SUCCESS);
else
- tcpm_pd_receive(chip->tcpm_port, msg);
+ tcpm_pd_receive(chip->tcpm_port, msg, TCPC_TX_SOP);
return ret;
}
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c
index 52c81378e36ef..a3154085ae32e 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c
@@ -299,7 +299,7 @@ static void qcom_pmic_typec_pdphy_pd_receive(struct pmic_typec_pdphy *pmic_typec
if (!ret) {
dev_vdbg(dev, "pd_receive: handing %d bytes to tcpm\n", size);
- tcpm_pd_receive(pmic_typec_pdphy->tcpm_port, &msg);
+ tcpm_pd_receive(pmic_typec_pdphy->tcpm_port, &msg, TCPC_TX_SOP);
}
}
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index 1ededbcecc09c..8ea4ed159a134 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -445,8 +445,11 @@ static int tcpci_set_pd_rx(struct tcpc_dev *tcpc, bool enable)
unsigned int reg = 0;
int ret;
- if (enable)
+ if (enable) {
reg = TCPC_RX_DETECT_SOP | TCPC_RX_DETECT_HARD_RESET;
+ if (tcpci->data->cable_comm_capable)
+ reg |= TCPC_RX_DETECT_SOP1;
+ }
ret = regmap_write(tcpci->regmap, TCPC_RX_DETECT, reg);
if (ret < 0)
return ret;
@@ -719,7 +722,7 @@ irqreturn_t tcpci_irq(struct tcpci *tcpci)
/* Read complete, clear RX status alert bit */
tcpci_write16(tcpci, TCPC_ALERT, TCPC_ALERT_RX_STATUS);
- tcpm_pd_receive(tcpci->port, &msg);
+ tcpm_pd_receive(tcpci->port, &msg, TCPC_TX_SOP);
}
if (tcpci->data->vbus_vsafe0v && (status & TCPC_ALERT_EXTENDED_STATUS)) {
diff --git a/drivers/usb/typec/tcpm/tcpci_maxim_core.c b/drivers/usb/typec/tcpm/tcpci_maxim_core.c
index 7b2d4e6e52a20..f9f838df43f73 100644
--- a/drivers/usb/typec/tcpm/tcpci_maxim_core.c
+++ b/drivers/usb/typec/tcpm/tcpci_maxim_core.c
@@ -128,6 +128,7 @@ static void process_rx(struct max_tcpci_chip *chip, u16 status)
u8 count, frame_type, rx_buf[TCPC_RECEIVE_BUFFER_LEN];
int ret, payload_index;
u8 *rx_buf_ptr;
+ enum tcpm_transmit_type rx_type;
/*
* READABLE_BYTE_COUNT: Indicates the number of bytes in the RX_BUF_BYTE_x registers
@@ -143,10 +144,23 @@ static void process_rx(struct max_tcpci_chip *chip, u16 status)
count = rx_buf[TCPC_RECEIVE_BUFFER_COUNT_OFFSET];
frame_type = rx_buf[TCPC_RECEIVE_BUFFER_FRAME_TYPE_OFFSET];
- if (count == 0 || frame_type != TCPC_RX_BUF_FRAME_TYPE_SOP) {
+ switch (frame_type) {
+ case TCPC_RX_BUF_FRAME_TYPE_SOP1:
+ rx_type = TCPC_TX_SOP_PRIME;
+ break;
+ case TCPC_RX_BUF_FRAME_TYPE_SOP:
+ rx_type = TCPC_TX_SOP;
+ break;
+ default:
+ rx_type = TCPC_TX_SOP;
+ break;
+ }
+
+ if (count == 0 || (frame_type != TCPC_RX_BUF_FRAME_TYPE_SOP &&
+ frame_type != TCPC_RX_BUF_FRAME_TYPE_SOP1)) {
max_tcpci_write16(chip, TCPC_ALERT, TCPC_ALERT_RX_STATUS);
dev_err(chip->dev, "%s\n", count == 0 ? "error: count is 0" :
- "error frame_type is not SOP");
+ "error frame_type is not SOP/SOP'");
return;
}
@@ -183,7 +197,7 @@ static void process_rx(struct max_tcpci_chip *chip, u16 status)
if (ret < 0)
return;
- tcpm_pd_receive(chip->port, &msg);
+ tcpm_pd_receive(chip->port, &msg, rx_type);
}
static int max_tcpci_set_vbus(struct tcpci *tcpci, struct tcpci_data *tdata, bool source, bool sink)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 5945e3a2b0f78..ff0fcf560c883 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -518,6 +518,7 @@ struct pd_rx_event {
struct kthread_work work;
struct tcpm_port *port;
struct pd_message msg;
+ enum tcpm_transmit_type rx_sop_type;
};
static const char * const pd_rev[] = {
@@ -2981,12 +2982,17 @@ static void tcpm_pd_rx_handler(struct kthread_work *work)
const struct pd_message *msg = &event->msg;
unsigned int cnt = pd_header_cnt_le(msg->header);
struct tcpm_port *port = event->port;
+ enum tcpm_transmit_type rx_sop_type = event->rx_sop_type;
mutex_lock(&port->lock);
tcpm_log(port, "PD RX, header: %#x [%d]", le16_to_cpu(msg->header),
port->attached);
+ /* Ignore SOP' for now */
+ if (rx_sop_type == TCPC_TX_SOP_PRIME)
+ goto done;
+
if (port->attached) {
enum pd_ctrl_msg_type type = pd_header_type_le(msg->header);
unsigned int msgid = pd_header_msgid_le(msg->header);
@@ -3028,7 +3034,8 @@ static void tcpm_pd_rx_handler(struct kthread_work *work)
kfree(event);
}
-void tcpm_pd_receive(struct tcpm_port *port, const struct pd_message *msg)
+void tcpm_pd_receive(struct tcpm_port *port, const struct pd_message *msg,
+ enum tcpm_transmit_type rx_sop_type)
{
struct pd_rx_event *event;
@@ -3038,6 +3045,7 @@ void tcpm_pd_receive(struct tcpm_port *port, const struct pd_message *msg)
kthread_init_work(&event->work, tcpm_pd_rx_handler);
event->port = port;
+ event->rx_sop_type = rx_sop_type;
memcpy(&event->msg, msg, sizeof(*msg));
kthread_queue_work(port->wq, &event->work);
}
diff --git a/drivers/usb/typec/tcpm/wcove.c b/drivers/usb/typec/tcpm/wcove.c
index 87d4abde0ea27..cf719307b3f6b 100644
--- a/drivers/usb/typec/tcpm/wcove.c
+++ b/drivers/usb/typec/tcpm/wcove.c
@@ -535,7 +535,7 @@ static irqreturn_t wcove_typec_irq(int irq, void *data)
goto err;
}
- tcpm_pd_receive(wcove->tcpm, &msg);
+ tcpm_pd_receive(wcove->tcpm, &msg, TCPC_TX_SOP);
ret = regmap_read(wcove->regmap, USBC_RXSTATUS,
&status);
diff --git a/include/linux/usb/tcpci.h b/include/linux/usb/tcpci.h
index 1d0b849defd07..9ed6d62c9c5ff 100644
--- a/include/linux/usb/tcpci.h
+++ b/include/linux/usb/tcpci.h
@@ -145,6 +145,7 @@
#define TCPC_RX_BYTE_CNT 0x30
#define TCPC_RX_BUF_FRAME_TYPE 0x31
#define TCPC_RX_BUF_FRAME_TYPE_SOP 0
+#define TCPC_RX_BUF_FRAME_TYPE_SOP1 1
#define TCPC_RX_HDR 0x32
#define TCPC_RX_DATA 0x34 /* through 0x4f */
diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
index 430fa3ec69bb6..41d1ac9c8bbfc 100644
--- a/include/linux/usb/tcpm.h
+++ b/include/linux/usb/tcpm.h
@@ -170,7 +170,8 @@ void tcpm_cc_change(struct tcpm_port *port);
void tcpm_sink_frs(struct tcpm_port *port);
void tcpm_sourcing_vbus(struct tcpm_port *port);
void tcpm_pd_receive(struct tcpm_port *port,
- const struct pd_message *msg);
+ const struct pd_message *msg,
+ enum tcpm_transmit_type rx_sop_type);
void tcpm_pd_transmit_complete(struct tcpm_port *port,
enum tcpm_transmit_status status);
void tcpm_pd_hard_reset(struct tcpm_port *port);
--
GitLab
From e03f6fef5ea885f80dc6c7339a7f8aea1b0a609f Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Mon, 8 Jan 2024 19:16:18 +0000
Subject: [PATCH 0156/2686] usb: typec: tcpm: process receive and transmission
of sop' messages
Add negotiated revision and tx/rx message ids to tcpm_port specific to
SOP'. tx_sop_type is added to the tcpm_port to determine whether the
current constructed message will be sent over SOP or SOP' if not
sent immediately.
tcpm_pd_rx_handler updates the received message ids. SOP* messages are not
processed afterwards. The handler also calls tcpm_can_communicate_sop_prime
to determine if a SOP' message is directed towards the port, and drops SOP'
messages it should not respond to.
tcpm_can_communicate_sop_prime is added as a helper to determine whether
the port is capable of communicating over SOP' at a given moment. Being
the Vconn source is a requirement in Power Delivery 3.0 but only a
recommendation in Power Delviery 2.0. Because the port should ensure that
the cable is powered before communication, always enforce the port is the
Vconn source regardless of revision.
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240108191620.987785-19-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpm.c | 145 +++++++++++++++++++++++++++++++---
1 file changed, 134 insertions(+), 11 deletions(-)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index ff0fcf560c883..d2ca85c8fec6a 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -505,6 +505,35 @@ struct tcpm_port {
* transitions.
*/
bool potential_contaminant;
+
+ /* SOP* Related Fields */
+ /*
+ * tx_sop_type determines which SOP* a message is being sent on.
+ * For messages that are queued and not sent immediately such as in
+ * tcpm_queue_message or messages that send after state changes,
+ * the tx_sop_type is set accordingly.
+ */
+ enum tcpm_transmit_type tx_sop_type;
+ /*
+ * Prior to discovering the port partner's Specification Revision, the
+ * Vconn source and cable plug will use the lower of their two revisions.
+ *
+ * When the port partner's Specification Revision is discovered, the following
+ * rules are put in place.
+ * 1. If the cable revision (1) is lower than the revision negotiated
+ * between the port and partner (2), the port and partner will communicate
+ * on revision (2), but the port and cable will communicate on revision (1).
+ * 2. If the cable revision (1) is higher than the revision negotiated
+ * between the port and partner (2), the port and partner will communicate
+ * on revision (2), and the port and cable will communicate on revision (2)
+ * as well.
+ */
+ unsigned int negotiated_rev_prime;
+ /*
+ * Each SOP* type must maintain their own tx and rx message IDs
+ */
+ unsigned int message_id_prime;
+ unsigned int rx_msgid_prime;
#ifdef CONFIG_DEBUG_FS
struct dentry *dentry;
struct mutex logbuffer_lock; /* log buffer access lock */
@@ -894,19 +923,30 @@ static void tcpm_ams_finish(struct tcpm_port *port)
}
static int tcpm_pd_transmit(struct tcpm_port *port,
- enum tcpm_transmit_type type,
+ enum tcpm_transmit_type tx_sop_type,
const struct pd_message *msg)
{
unsigned long timeout;
int ret;
+ unsigned int negotiated_rev;
+
+ switch (tx_sop_type) {
+ case TCPC_TX_SOP_PRIME:
+ negotiated_rev = port->negotiated_rev_prime;
+ break;
+ case TCPC_TX_SOP:
+ default:
+ negotiated_rev = port->negotiated_rev;
+ break;
+ }
if (msg)
tcpm_log(port, "PD TX, header: %#x", le16_to_cpu(msg->header));
else
- tcpm_log(port, "PD TX, type: %#x", type);
+ tcpm_log(port, "PD TX, type: %#x", tx_sop_type);
reinit_completion(&port->tx_complete);
- ret = port->tcpc->pd_transmit(port->tcpc, type, msg, port->negotiated_rev);
+ ret = port->tcpc->pd_transmit(port->tcpc, tx_sop_type, msg, negotiated_rev);
if (ret < 0)
return ret;
@@ -919,7 +959,17 @@ static int tcpm_pd_transmit(struct tcpm_port *port,
switch (port->tx_status) {
case TCPC_TX_SUCCESS:
- port->message_id = (port->message_id + 1) & PD_HEADER_ID_MASK;
+ switch (tx_sop_type) {
+ case TCPC_TX_SOP_PRIME:
+ port->message_id_prime = (port->message_id_prime + 1) &
+ PD_HEADER_ID_MASK;
+ break;
+ case TCPC_TX_SOP:
+ default:
+ port->message_id = (port->message_id + 1) &
+ PD_HEADER_ID_MASK;
+ break;
+ }
/*
* USB PD rev 2.0, 8.3.2.2.1:
* USB PD rev 3.0, 8.3.2.1.3:
@@ -1604,6 +1654,57 @@ static void tcpm_register_partner_altmodes(struct tcpm_port *port)
#define supports_modal(port) PD_IDH_MODAL_SUPP((port)->partner_ident.id_header)
+/*
+ * Helper to determine whether the port is capable of SOP' communication at the
+ * current point in time.
+ */
+static bool tcpm_can_communicate_sop_prime(struct tcpm_port *port)
+{
+ /* Check to see if tcpc supports SOP' communication */
+ if (!port->tcpc->cable_comm_capable || !port->tcpc->cable_comm_capable(port->tcpc))
+ return false;
+ /*
+ * Power Delivery 2.0 Section 6.3.11
+ * Before communicating with a Cable Plug a Port Should ensure that it
+ * is the Vconn Source and that the Cable Plugs are powered by
+ * performing a Vconn swap if necessary. Since it cannot be guaranteed
+ * that the present Vconn Source is supplying Vconn, the only means to
+ * ensure that the Cable Plugs are powered is for a Port wishing to
+ * communicate with a Cable Plug is to become the Vconn Source.
+ *
+ * Power Delivery 3.0 Section 6.3.11
+ * Before communicating with a Cable Plug a Port Shall ensure that it
+ * is the Vconn source.
+ */
+ if (port->vconn_role != TYPEC_SOURCE)
+ return false;
+ /*
+ * Power Delivery 2.0 Section 2.4.4
+ * When no Contract or an Implicit Contract is in place the Source can
+ * communicate with a Cable Plug using SOP' packets in order to discover
+ * its characteristics.
+ *
+ * Power Delivery 3.0 Section 2.4.4
+ * When no Contract or an Implicit Contract is in place only the Source
+ * port that is supplying Vconn is allowed to send packets to a Cable
+ * Plug and is allowed to respond to packets from the Cable Plug.
+ */
+ if (!port->explicit_contract)
+ return port->pwr_role == TYPEC_SOURCE;
+ if (port->negotiated_rev == PD_REV30)
+ return true;
+ /*
+ * Power Delivery 2.0 Section 2.4.4
+ *
+ * When an Explicit Contract is in place the DFP (either the Source or
+ * the Sink) can communicate with the Cable Plug(s) using SOP’/SOPâ€
+ * Packets (see Figure 2-3).
+ */
+ if (port->negotiated_rev == PD_REV20)
+ return port->data_role == TYPEC_HOST;
+ return false;
+}
+
static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
const u32 *p, int cnt, u32 *response,
enum adev_actions *adev_action)
@@ -2989,14 +3090,18 @@ static void tcpm_pd_rx_handler(struct kthread_work *work)
tcpm_log(port, "PD RX, header: %#x [%d]", le16_to_cpu(msg->header),
port->attached);
- /* Ignore SOP' for now */
- if (rx_sop_type == TCPC_TX_SOP_PRIME)
- goto done;
-
if (port->attached) {
enum pd_ctrl_msg_type type = pd_header_type_le(msg->header);
unsigned int msgid = pd_header_msgid_le(msg->header);
+ /*
+ * Drop SOP' messages if cannot receive via
+ * tcpm_can_communicate_sop_prime
+ */
+ if (rx_sop_type == TCPC_TX_SOP_PRIME &&
+ !tcpm_can_communicate_sop_prime(port))
+ goto done;
+
/*
* USB PD standard, 6.6.1.2:
* "... if MessageID value in a received Message is the
@@ -3006,16 +3111,27 @@ static void tcpm_pd_rx_handler(struct kthread_work *work)
* Message). Note: this shall not apply to the Soft_Reset
* Message which always has a MessageID value of zero."
*/
- if (msgid == port->rx_msgid && type != PD_CTRL_SOFT_RESET)
+ switch (rx_sop_type) {
+ case TCPC_TX_SOP_PRIME:
+ if (msgid == port->rx_msgid_prime)
+ goto done;
+ port->rx_msgid_prime = msgid;
+ /* Ignore SOP' for now */
goto done;
- port->rx_msgid = msgid;
+ case TCPC_TX_SOP:
+ default:
+ if (msgid == port->rx_msgid && type != PD_CTRL_SOFT_RESET)
+ goto done;
+ port->rx_msgid = msgid;
+ break;
+ }
/*
* If both ends believe to be DFP/host, we have a data role
* mismatch.
*/
if (!!(le16_to_cpu(msg->header) & PD_HEADER_DATA_ROLE) ==
- (port->data_role == TYPEC_HOST)) {
+ (port->data_role == TYPEC_HOST) && rx_sop_type == TCPC_TX_SOP) {
tcpm_log(port,
"Data role mismatch, initiating error recovery");
tcpm_set_state(port, ERROR_RECOVERY, 0);
@@ -3720,6 +3836,7 @@ static void tcpm_reset_port(struct tcpm_port *port)
* we can check tcpm_pd_rx_handler() if we had seen it before.
*/
port->rx_msgid = -1;
+ port->rx_msgid_prime = -1;
port->tcpc->set_pd_rx(port->tcpc, false);
tcpm_init_vbus(port); /* also disables charging */
@@ -4034,8 +4151,11 @@ static void run_state_machine(struct tcpm_port *port)
port->pwr_opmode = TYPEC_PWR_MODE_USB;
port->caps_count = 0;
port->negotiated_rev = PD_MAX_REV;
+ port->negotiated_rev_prime = PD_MAX_REV;
port->message_id = 0;
+ port->message_id_prime = 0;
port->rx_msgid = -1;
+ port->rx_msgid_prime = -1;
port->explicit_contract = false;
/* SNK -> SRC POWER/FAST_ROLE_SWAP finished */
if (port->ams == POWER_ROLE_SWAP ||
@@ -4275,8 +4395,11 @@ static void run_state_machine(struct tcpm_port *port)
typec_set_pwr_opmode(port->typec_port, opmode);
port->pwr_opmode = TYPEC_PWR_MODE_USB;
port->negotiated_rev = PD_MAX_REV;
+ port->negotiated_rev_prime = PD_MAX_REV;
port->message_id = 0;
+ port->message_id_prime = 0;
port->rx_msgid = -1;
+ port->rx_msgid_prime = -1;
port->explicit_contract = false;
if (port->ams == POWER_ROLE_SWAP ||
--
GitLab
From 6bd181ba60e198fef6f750b543832f161fbd9f39 Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Mon, 8 Jan 2024 19:16:19 +0000
Subject: [PATCH 0157/2686] usb: typec: tcpm: add control message support to
sop'
Add tx_sop_type to tcpm_pd_send_control and rx_sop_type to
tcpm_pd_ctrl_request. TCPC_TX_SOP is added to all pd_send_control calls,
but TCPC_TX_SOP_PRIME is added to pd_send_control for a SOFT_RESET message
sent after a Vconn swap that makes the Port the Vconn source. Likewise,
tcpm_pd_ctrl_request resets the proper protocol layer depending on
rx_sop_type for SOFT_RESET.
VCONN_SWAP_TURN_ON_VCONN now moves to a new state,
VCONN_SWAP_SEND_SOFT_RESET. This state sends SOFT_RESET over SOP' before
transitioning to the ready state if applicable. It transitions after
PD_T_VCONN_STABLE, definied in pd.h as the time required for Vconn to be
on before transmitting messages.
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240108191620.987785-20-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpm.c | 159 ++++++++++++++++++++++++----------
include/linux/usb/pd.h | 1 +
2 files changed, 115 insertions(+), 45 deletions(-)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index d2ca85c8fec6a..a59927925714e 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -108,6 +108,7 @@
S(VCONN_SWAP_WAIT_FOR_VCONN), \
S(VCONN_SWAP_TURN_ON_VCONN), \
S(VCONN_SWAP_TURN_OFF_VCONN), \
+ S(VCONN_SWAP_SEND_SOFT_RESET), \
\
S(FR_SWAP_SEND), \
S(FR_SWAP_SEND_TIMEOUT), \
@@ -2395,7 +2396,8 @@ static inline enum tcpm_state ready_state(struct tcpm_port *port)
}
static int tcpm_pd_send_control(struct tcpm_port *port,
- enum pd_ctrl_msg_type type);
+ enum pd_ctrl_msg_type type,
+ enum tcpm_transmit_type tx_sop_type);
static void tcpm_handle_alert(struct tcpm_port *port, const __le32 *payload,
int cnt)
@@ -2749,10 +2751,12 @@ static void tcpm_pps_complete(struct tcpm_port *port, int result)
}
static void tcpm_pd_ctrl_request(struct tcpm_port *port,
- const struct pd_message *msg)
+ const struct pd_message *msg,
+ enum tcpm_transmit_type rx_sop_type)
{
enum pd_ctrl_msg_type type = pd_header_type_le(msg->header);
enum tcpm_state next_state;
+ unsigned int rev = pd_header_rev_le(msg->header);
/*
* Stop VDM state machine if interrupted by other Messages while NOT_SUPP is allowed in
@@ -2917,6 +2921,16 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port,
case SOFT_RESET_SEND:
if (port->ams == SOFT_RESET_AMS)
tcpm_ams_finish(port);
+ /*
+ * SOP' Soft Reset is done after Vconn Swap,
+ * which returns to ready state
+ */
+ if (rx_sop_type == TCPC_TX_SOP_PRIME) {
+ if (rev < port->negotiated_rev_prime)
+ port->negotiated_rev_prime = rev;
+ tcpm_set_state(port, ready_state(port), 0);
+ break;
+ }
if (port->pwr_role == TYPEC_SOURCE) {
port->upcoming_state = SRC_SEND_CAPABILITIES;
tcpm_ams_start(port, POWER_NEGOTIATION);
@@ -3116,8 +3130,7 @@ static void tcpm_pd_rx_handler(struct kthread_work *work)
if (msgid == port->rx_msgid_prime)
goto done;
port->rx_msgid_prime = msgid;
- /* Ignore SOP' for now */
- goto done;
+ break;
case TCPC_TX_SOP:
default:
if (msgid == port->rx_msgid && type != PD_CTRL_SOFT_RESET)
@@ -3141,7 +3154,7 @@ static void tcpm_pd_rx_handler(struct kthread_work *work)
else if (cnt)
tcpm_pd_data_request(port, msg);
else
- tcpm_pd_ctrl_request(port, msg);
+ tcpm_pd_ctrl_request(port, msg, rx_sop_type);
}
}
@@ -3168,17 +3181,40 @@ void tcpm_pd_receive(struct tcpm_port *port, const struct pd_message *msg,
EXPORT_SYMBOL_GPL(tcpm_pd_receive);
static int tcpm_pd_send_control(struct tcpm_port *port,
- enum pd_ctrl_msg_type type)
+ enum pd_ctrl_msg_type type,
+ enum tcpm_transmit_type tx_sop_type)
{
struct pd_message msg;
memset(&msg, 0, sizeof(msg));
- msg.header = PD_HEADER_LE(type, port->pwr_role,
- port->data_role,
- port->negotiated_rev,
- port->message_id, 0);
+ switch (tx_sop_type) {
+ case TCPC_TX_SOP_PRIME:
+ msg.header = PD_HEADER_LE(type,
+ 0, /* Cable Plug Indicator for DFP/UFP */
+ 0, /* Reserved */
+ port->negotiated_rev,
+ port->message_id_prime,
+ 0);
+ break;
+ case TCPC_TX_SOP:
+ msg.header = PD_HEADER_LE(type,
+ port->pwr_role,
+ port->data_role,
+ port->negotiated_rev,
+ port->message_id,
+ 0);
+ break;
+ default:
+ msg.header = PD_HEADER_LE(type,
+ port->pwr_role,
+ port->data_role,
+ port->negotiated_rev,
+ port->message_id,
+ 0);
+ break;
+ }
- return tcpm_pd_transmit(port, TCPC_TX_SOP, &msg);
+ return tcpm_pd_transmit(port, tx_sop_type, &msg);
}
/*
@@ -3197,13 +3233,13 @@ static bool tcpm_send_queued_message(struct tcpm_port *port)
switch (queued_message) {
case PD_MSG_CTRL_WAIT:
- tcpm_pd_send_control(port, PD_CTRL_WAIT);
+ tcpm_pd_send_control(port, PD_CTRL_WAIT, TCPC_TX_SOP);
break;
case PD_MSG_CTRL_REJECT:
- tcpm_pd_send_control(port, PD_CTRL_REJECT);
+ tcpm_pd_send_control(port, PD_CTRL_REJECT, TCPC_TX_SOP);
break;
case PD_MSG_CTRL_NOT_SUPP:
- tcpm_pd_send_control(port, PD_CTRL_NOT_SUPP);
+ tcpm_pd_send_control(port, PD_CTRL_NOT_SUPP, TCPC_TX_SOP);
break;
case PD_MSG_DATA_SINK_CAP:
ret = tcpm_pd_send_sink_caps(port);
@@ -4218,7 +4254,7 @@ static void run_state_machine(struct tcpm_port *port)
case SRC_NEGOTIATE_CAPABILITIES:
ret = tcpm_pd_check_request(port);
if (ret < 0) {
- tcpm_pd_send_control(port, PD_CTRL_REJECT);
+ tcpm_pd_send_control(port, PD_CTRL_REJECT, TCPC_TX_SOP);
if (!port->explicit_contract) {
tcpm_set_state(port,
SRC_WAIT_NEW_CAPABILITIES, 0);
@@ -4226,7 +4262,7 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_set_state(port, SRC_READY, 0);
}
} else {
- tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
+ tcpm_pd_send_control(port, PD_CTRL_ACCEPT, TCPC_TX_SOP);
tcpm_set_partner_usb_comm_capable(port,
!!(port->sink_request & RDO_USB_COMM));
tcpm_set_state(port, SRC_TRANSITION_SUPPLY,
@@ -4235,7 +4271,7 @@ static void run_state_machine(struct tcpm_port *port)
break;
case SRC_TRANSITION_SUPPLY:
/* XXX: regulator_set_voltage(vbus, ...) */
- tcpm_pd_send_control(port, PD_CTRL_PS_RDY);
+ tcpm_pd_send_control(port, PD_CTRL_PS_RDY, TCPC_TX_SOP);
port->explicit_contract = true;
typec_set_pwr_opmode(port->typec_port, TYPEC_PWR_MODE_PD);
port->pwr_opmode = TYPEC_PWR_MODE_PD;
@@ -4720,7 +4756,7 @@ static void run_state_machine(struct tcpm_port *port)
/* remove existing capabilities */
usb_power_delivery_unregister_capabilities(port->partner_source_caps);
port->partner_source_caps = NULL;
- tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
+ tcpm_pd_send_control(port, PD_CTRL_ACCEPT, TCPC_TX_SOP);
tcpm_ams_finish(port);
if (port->pwr_role == TYPEC_SOURCE) {
port->upcoming_state = SRC_SEND_CAPABILITIES;
@@ -4737,28 +4773,41 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_ams_start(port, SOFT_RESET_AMS);
break;
case SOFT_RESET_SEND:
- port->message_id = 0;
- port->rx_msgid = -1;
- /* remove existing capabilities */
- usb_power_delivery_unregister_capabilities(port->partner_source_caps);
- port->partner_source_caps = NULL;
- if (tcpm_pd_send_control(port, PD_CTRL_SOFT_RESET))
- tcpm_set_state_cond(port, hard_reset_state(port), 0);
- else
- tcpm_set_state_cond(port, hard_reset_state(port),
- PD_T_SENDER_RESPONSE);
+ /*
+ * Power Delivery 3.0 Section 6.3.13
+ *
+ * A Soft_Reset Message Shall be targeted at a specific entity
+ * depending on the type of SOP* packet used.
+ */
+ if (port->tx_sop_type == TCPC_TX_SOP_PRIME) {
+ port->message_id_prime = 0;
+ port->rx_msgid_prime = -1;
+ tcpm_pd_send_control(port, PD_CTRL_SOFT_RESET, TCPC_TX_SOP_PRIME);
+ tcpm_set_state_cond(port, ready_state(port), PD_T_SENDER_RESPONSE);
+ } else {
+ port->message_id = 0;
+ port->rx_msgid = -1;
+ /* remove existing capabilities */
+ usb_power_delivery_unregister_capabilities(port->partner_source_caps);
+ port->partner_source_caps = NULL;
+ if (tcpm_pd_send_control(port, PD_CTRL_SOFT_RESET, TCPC_TX_SOP))
+ tcpm_set_state_cond(port, hard_reset_state(port), 0);
+ else
+ tcpm_set_state_cond(port, hard_reset_state(port),
+ PD_T_SENDER_RESPONSE);
+ }
break;
/* DR_Swap states */
case DR_SWAP_SEND:
- tcpm_pd_send_control(port, PD_CTRL_DR_SWAP);
+ tcpm_pd_send_control(port, PD_CTRL_DR_SWAP, TCPC_TX_SOP);
if (port->data_role == TYPEC_DEVICE || port->negotiated_rev > PD_REV20)
port->send_discover = true;
tcpm_set_state_cond(port, DR_SWAP_SEND_TIMEOUT,
PD_T_SENDER_RESPONSE);
break;
case DR_SWAP_ACCEPT:
- tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
+ tcpm_pd_send_control(port, PD_CTRL_ACCEPT, TCPC_TX_SOP);
if (port->data_role == TYPEC_DEVICE || port->negotiated_rev > PD_REV20)
port->send_discover = true;
tcpm_set_state_cond(port, DR_SWAP_CHANGE_DR, 0);
@@ -4782,7 +4831,7 @@ static void run_state_machine(struct tcpm_port *port)
break;
case FR_SWAP_SEND:
- if (tcpm_pd_send_control(port, PD_CTRL_FR_SWAP)) {
+ if (tcpm_pd_send_control(port, PD_CTRL_FR_SWAP, TCPC_TX_SOP)) {
tcpm_set_state(port, ERROR_RECOVERY, 0);
break;
}
@@ -4802,7 +4851,7 @@ static void run_state_machine(struct tcpm_port *port)
break;
case FR_SWAP_SNK_SRC_SOURCE_VBUS_APPLIED:
tcpm_set_pwr_role(port, TYPEC_SOURCE);
- if (tcpm_pd_send_control(port, PD_CTRL_PS_RDY)) {
+ if (tcpm_pd_send_control(port, PD_CTRL_PS_RDY, TCPC_TX_SOP)) {
tcpm_set_state(port, ERROR_RECOVERY, 0);
break;
}
@@ -4812,11 +4861,11 @@ static void run_state_machine(struct tcpm_port *port)
/* PR_Swap states */
case PR_SWAP_ACCEPT:
- tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
+ tcpm_pd_send_control(port, PD_CTRL_ACCEPT, TCPC_TX_SOP);
tcpm_set_state(port, PR_SWAP_START, 0);
break;
case PR_SWAP_SEND:
- tcpm_pd_send_control(port, PD_CTRL_PR_SWAP);
+ tcpm_pd_send_control(port, PD_CTRL_PR_SWAP, TCPC_TX_SOP);
tcpm_set_state_cond(port, PR_SWAP_SEND_TIMEOUT,
PD_T_SENDER_RESPONSE);
break;
@@ -4858,7 +4907,7 @@ static void run_state_machine(struct tcpm_port *port)
* supply is turned off"
*/
tcpm_set_pwr_role(port, TYPEC_SINK);
- if (tcpm_pd_send_control(port, PD_CTRL_PS_RDY)) {
+ if (tcpm_pd_send_control(port, PD_CTRL_PS_RDY, TCPC_TX_SOP)) {
tcpm_set_state(port, ERROR_RECOVERY, 0);
break;
}
@@ -4905,17 +4954,17 @@ static void run_state_machine(struct tcpm_port *port)
* Source."
*/
tcpm_set_pwr_role(port, TYPEC_SOURCE);
- tcpm_pd_send_control(port, PD_CTRL_PS_RDY);
+ tcpm_pd_send_control(port, PD_CTRL_PS_RDY, TCPC_TX_SOP);
tcpm_set_state(port, SRC_STARTUP, PD_T_SWAP_SRC_START);
break;
case VCONN_SWAP_ACCEPT:
- tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
+ tcpm_pd_send_control(port, PD_CTRL_ACCEPT, TCPC_TX_SOP);
tcpm_ams_finish(port);
tcpm_set_state(port, VCONN_SWAP_START, 0);
break;
case VCONN_SWAP_SEND:
- tcpm_pd_send_control(port, PD_CTRL_VCONN_SWAP);
+ tcpm_pd_send_control(port, PD_CTRL_VCONN_SWAP, TCPC_TX_SOP);
tcpm_set_state(port, VCONN_SWAP_SEND_TIMEOUT,
PD_T_SENDER_RESPONSE);
break;
@@ -4934,14 +4983,34 @@ static void run_state_machine(struct tcpm_port *port)
PD_T_VCONN_SOURCE_ON);
break;
case VCONN_SWAP_TURN_ON_VCONN:
- tcpm_set_vconn(port, true);
- tcpm_pd_send_control(port, PD_CTRL_PS_RDY);
- tcpm_set_state(port, ready_state(port), 0);
+ ret = tcpm_set_vconn(port, true);
+ tcpm_pd_send_control(port, PD_CTRL_PS_RDY, TCPC_TX_SOP);
+ /*
+ * USB PD 3.0 Section 6.4.4.3.1
+ *
+ * Note that a Cable Plug or VPD will not be ready for PD
+ * Communication until tVCONNStable after VCONN has been applied
+ */
+ if (!ret)
+ tcpm_set_state(port, VCONN_SWAP_SEND_SOFT_RESET,
+ PD_T_VCONN_STABLE);
+ else
+ tcpm_set_state(port, ready_state(port), 0);
break;
case VCONN_SWAP_TURN_OFF_VCONN:
tcpm_set_vconn(port, false);
tcpm_set_state(port, ready_state(port), 0);
break;
+ case VCONN_SWAP_SEND_SOFT_RESET:
+ tcpm_swap_complete(port, port->swap_status);
+ if (tcpm_can_communicate_sop_prime(port)) {
+ port->tx_sop_type = TCPC_TX_SOP_PRIME;
+ port->upcoming_state = SOFT_RESET_SEND;
+ tcpm_ams_start(port, SOFT_RESET_AMS);
+ } else {
+ tcpm_set_state(port, ready_state(port), 0);
+ }
+ break;
case DR_SWAP_CANCEL:
case PR_SWAP_CANCEL:
@@ -4977,7 +5046,7 @@ static void run_state_machine(struct tcpm_port *port)
}
break;
case GET_STATUS_SEND:
- tcpm_pd_send_control(port, PD_CTRL_GET_STATUS);
+ tcpm_pd_send_control(port, PD_CTRL_GET_STATUS, TCPC_TX_SOP);
tcpm_set_state(port, GET_STATUS_SEND_TIMEOUT,
PD_T_SENDER_RESPONSE);
break;
@@ -4985,7 +5054,7 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_set_state(port, ready_state(port), 0);
break;
case GET_PPS_STATUS_SEND:
- tcpm_pd_send_control(port, PD_CTRL_GET_PPS_STATUS);
+ tcpm_pd_send_control(port, PD_CTRL_GET_PPS_STATUS, TCPC_TX_SOP);
tcpm_set_state(port, GET_PPS_STATUS_SEND_TIMEOUT,
PD_T_SENDER_RESPONSE);
break;
@@ -4993,7 +5062,7 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_set_state(port, ready_state(port), 0);
break;
case GET_SINK_CAP:
- tcpm_pd_send_control(port, PD_CTRL_GET_SINK_CAP);
+ tcpm_pd_send_control(port, PD_CTRL_GET_SINK_CAP, TCPC_TX_SOP);
tcpm_set_state(port, GET_SINK_CAP_TIMEOUT, PD_T_SENDER_RESPONSE);
break;
case GET_SINK_CAP_TIMEOUT:
@@ -5033,7 +5102,7 @@ static void run_state_machine(struct tcpm_port *port)
/* Chunk state */
case CHUNK_NOT_SUPP:
- tcpm_pd_send_control(port, PD_CTRL_NOT_SUPP);
+ tcpm_pd_send_control(port, PD_CTRL_NOT_SUPP, TCPC_TX_SOP);
tcpm_set_state(port, port->pwr_role == TYPEC_SOURCE ? SRC_READY : SNK_READY, 0);
break;
default:
diff --git a/include/linux/usb/pd.h b/include/linux/usb/pd.h
index eb626af0e4e7c..d50098fb16b5d 100644
--- a/include/linux/usb/pd.h
+++ b/include/linux/usb/pd.h
@@ -483,6 +483,7 @@ static inline unsigned int rdo_max_power(u32 rdo)
#define PD_T_BIST_CONT_MODE 50 /* 30 - 60 ms */
#define PD_T_SINK_TX 16 /* 16 - 20 ms */
#define PD_T_CHUNK_NOT_SUPP 42 /* 40 - 50 ms */
+#define PD_T_VCONN_STABLE 50
#define PD_T_DRP_TRY 100 /* 75 - 150 ms */
#define PD_T_DRP_TRYWAIT 600 /* 400 - 800 ms */
--
GitLab
From 030509ac473da439e3d5438b1cd3c5b899844046 Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Mon, 8 Jan 2024 19:16:20 +0000
Subject: [PATCH 0158/2686] usb: typec: tcpci: add attempt_vconn_swap_discovery
callback
Add attempt_vconn_swap_discovery callback to determine whether the TCPM
should perform a Vconn swap following Discover Identity on SOP. The tcpci
will return false unless chip level drivers implement the callback.
Maxim based TCPCs will return true unless the last connection resulted in
a Vconn Over Current Fault, which may be the result of the Vconn swap. In
addition to the port resetting, the TCPCI will veto the next Vconn swap
from occurring.
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240108191620.987785-21-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpci.c | 11 +++++++++++
drivers/usb/typec/tcpm/tcpci_maxim.h | 1 +
drivers/usb/typec/tcpm/tcpci_maxim_core.c | 17 ++++++++++++++++-
include/linux/usb/tcpci.h | 9 +++++++++
include/linux/usb/tcpm.h | 9 +++++++++
5 files changed, 46 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index 8ea4ed159a134..40c7b6224c74b 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -594,6 +594,16 @@ static bool tcpci_cable_comm_capable(struct tcpc_dev *tcpc)
return tcpci->data->cable_comm_capable;
}
+static bool tcpci_attempt_vconn_swap_discovery(struct tcpc_dev *tcpc)
+{
+ struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
+
+ if (tcpci->data->attempt_vconn_swap_discovery)
+ return tcpci->data->attempt_vconn_swap_discovery(tcpci, tcpci->data);
+
+ return false;
+}
+
static int tcpci_init(struct tcpc_dev *tcpc)
{
struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
@@ -804,6 +814,7 @@ struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data)
tcpci->tcpc.frs_sourcing_vbus = tcpci_frs_sourcing_vbus;
tcpci->tcpc.set_partner_usb_comm_capable = tcpci_set_partner_usb_comm_capable;
tcpci->tcpc.cable_comm_capable = tcpci_cable_comm_capable;
+ tcpci->tcpc.attempt_vconn_swap_discovery = tcpci_attempt_vconn_swap_discovery;
if (tcpci->data->check_contaminant)
tcpci->tcpc.check_contaminant = tcpci_check_contaminant;
diff --git a/drivers/usb/typec/tcpm/tcpci_maxim.h b/drivers/usb/typec/tcpm/tcpci_maxim.h
index 2c1c4d161b0dc..78ff3b73ee7e3 100644
--- a/drivers/usb/typec/tcpm/tcpci_maxim.h
+++ b/drivers/usb/typec/tcpm/tcpci_maxim.h
@@ -62,6 +62,7 @@ struct max_tcpci_chip {
struct i2c_client *client;
struct tcpm_port *port;
enum contamiant_state contaminant_state;
+ bool veto_vconn_swap;
};
static inline int max_tcpci_read16(struct max_tcpci_chip *chip, unsigned int reg, u16 *val)
diff --git a/drivers/usb/typec/tcpm/tcpci_maxim_core.c b/drivers/usb/typec/tcpm/tcpci_maxim_core.c
index f9f838df43f73..eec3bcec119c1 100644
--- a/drivers/usb/typec/tcpm/tcpci_maxim_core.c
+++ b/drivers/usb/typec/tcpm/tcpci_maxim_core.c
@@ -323,8 +323,10 @@ static irqreturn_t _max_tcpci_irq(struct max_tcpci_chip *chip, u16 status)
if (ret < 0)
return ret;
- if (reg_status & TCPC_FAULT_STATUS_VCONN_OC)
+ if (reg_status & TCPC_FAULT_STATUS_VCONN_OC) {
+ chip->veto_vconn_swap = true;
tcpm_port_error_recovery(chip->port);
+ }
}
if (status & TCPC_ALERT_EXTND) {
@@ -458,6 +460,18 @@ static void max_tcpci_check_contaminant(struct tcpci *tcpci, struct tcpci_data *
tcpm_port_clean(chip->port);
}
+static bool max_tcpci_attempt_vconn_swap_discovery(struct tcpci *tcpci, struct tcpci_data *tdata)
+{
+ struct max_tcpci_chip *chip = tdata_to_max_tcpci(tdata);
+
+ if (chip->veto_vconn_swap) {
+ chip->veto_vconn_swap = false;
+ return false;
+ }
+
+ return true;
+}
+
static int max_tcpci_probe(struct i2c_client *client)
{
int ret;
@@ -493,6 +507,7 @@ static int max_tcpci_probe(struct i2c_client *client)
chip->data.set_partner_usb_comm_capable = max_tcpci_set_partner_usb_comm_capable;
chip->data.check_contaminant = max_tcpci_check_contaminant;
chip->data.cable_comm_capable = true;
+ chip->data.attempt_vconn_swap_discovery = max_tcpci_attempt_vconn_swap_discovery;
max_tcpci_init_regs(chip);
chip->tcpci = tcpci_register_port(chip->dev, &chip->data);
diff --git a/include/linux/usb/tcpci.h b/include/linux/usb/tcpci.h
index 9ed6d62c9c5ff..47a86b8a4a507 100644
--- a/include/linux/usb/tcpci.h
+++ b/include/linux/usb/tcpci.h
@@ -201,6 +201,14 @@ struct tcpci;
* toggling state.
* @cable_comm_capable
* optional; Set when TCPC can communicate with cable plugs over SOP'
+ * @attempt_vconn_swap_discovery:
+ * Optional; The callback is called by the TCPM when the result of
+ * a Discover Identity request indicates that the port partner is
+ * a receptacle capable of modal operation. Chip level TCPCI drivers
+ * can implement their own policy to determine if and when a Vconn
+ * swap following Discover Identity on SOP' occurs.
+ * Return true when the TCPM is allowed to request a Vconn swap
+ * after Discovery Identity on SOP.
*/
struct tcpci_data {
struct regmap *regmap;
@@ -219,6 +227,7 @@ struct tcpci_data {
void (*set_partner_usb_comm_capable)(struct tcpci *tcpci, struct tcpci_data *data,
bool capable);
void (*check_contaminant)(struct tcpci *tcpci, struct tcpci_data *data);
+ bool (*attempt_vconn_swap_discovery)(struct tcpci *tcpci, struct tcpci_data *data);
};
struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data);
diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
index 41d1ac9c8bbfc..6671427f7eebb 100644
--- a/include/linux/usb/tcpm.h
+++ b/include/linux/usb/tcpm.h
@@ -122,6 +122,14 @@ enum tcpm_transmit_type {
* @cable_comm_capable
* Optional; Returns whether cable communication over SOP' is supported
* by the tcpc
+ * @attempt_vconn_swap_discovery:
+ * Optional; The callback is called by the TCPM when the result of
+ * a Discover Identity request indicates that the port partner is
+ * a receptacle capable of modal operation. Chip level TCPCI drivers
+ * can implement their own policy to determine if and when a Vconn
+ * swap following Discover Identity on SOP' occurs.
+ * Return true when the TCPM is allowed to request a Vconn swap
+ * after Discovery Identity on SOP.
*/
struct tcpc_dev {
struct fwnode_handle *fwnode;
@@ -158,6 +166,7 @@ struct tcpc_dev {
void (*set_partner_usb_comm_capable)(struct tcpc_dev *dev, bool enable);
void (*check_contaminant)(struct tcpc_dev *dev);
bool (*cable_comm_capable)(struct tcpc_dev *dev);
+ bool (*attempt_vconn_swap_discovery)(struct tcpc_dev *dev);
};
struct tcpm_port;
--
GitLab
From fb7ff25ae43332cb64c9e7bbbe36a6cc308d8de1 Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Mon, 8 Jan 2024 19:16:21 +0000
Subject: [PATCH 0159/2686] usb: typec: tcpm: add discover identity support for
SOP'
Add data message handling and Discover Identity SVDM over SOP'
This patch contains the following changes:
1. pd_vdo
Add VDO indices for active and passive cables, documentation to reflect
expected number of objects depending on PD Revision, and macro to indicate
port parter is data host capable.
2. tcpm
Add typec_cable and typec_plug to tcpm_port to maintain cable and plug
information. tcpm_port also adds send_discover_prime to indicate that
Discover Identity should be sent out of the ready state.
tcpm_queue_vdm and tcpm_send_vdm now take the SOP* type when transmitting
messages. tcpm_handle_vdm_request and tcpm_pd_svdm also use the SOP* type.
tcpm_pd_svdm handles Discover Identity messages for SOP and SOP'. In the
SOP case, the port uses tcpm_attempt_vconn_swap_discovery to determine if
a Vconn swap is needed for cable communication. Otherwise, the port will
send Discover Identity on SOP' if it can, or default to Discover SVIDs.
svdm_consume_identity_sop_prime consumes the result of Discover Identity
on SOP'. It fills out cable identity and description, and it registers
the cable. The SOP' plug is registered as well.
The VDM state machine is adjusted to construct messages based on the SOP*
type. If a transmission error occurs after the max number of retries for
Discover Identity over SOP', then the port will send Discover SVIDs over
SOP.
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240108191620.987785-22-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpm.c | 388 +++++++++++++++++++++++++++++-----
include/linux/usb/pd_vdo.h | 8 +-
2 files changed, 347 insertions(+), 49 deletions(-)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index a59927925714e..a870fbc6bc35c 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -328,6 +328,12 @@ struct tcpm_port {
struct typec_partner_desc partner_desc;
struct typec_partner *partner;
+ struct usb_pd_identity cable_ident;
+ struct typec_cable_desc cable_desc;
+ struct typec_cable *cable;
+ struct typec_plug_desc plug_prime_desc;
+ struct typec_plug *plug_prime;
+
enum typec_cc_status cc_req;
enum typec_cc_status src_rp; /* work only if pd_supported == false */
@@ -508,6 +514,12 @@ struct tcpm_port {
bool potential_contaminant;
/* SOP* Related Fields */
+ /*
+ * Flag to determine if SOP' Discover Identity is available. The flag
+ * is set if Discover Identity on SOP' does not immediately follow
+ * Discover Identity on SOP.
+ */
+ bool send_discover_prime;
/*
* tx_sop_type determines which SOP* a message is being sent on.
* For messages that are queued and not sent immediately such as in
@@ -1508,7 +1520,7 @@ static int tcpm_ams_start(struct tcpm_port *port, enum tcpm_ams ams)
* VDM/VDO handling functions
*/
static void tcpm_queue_vdm(struct tcpm_port *port, const u32 header,
- const u32 *data, int cnt)
+ const u32 *data, int cnt, enum tcpm_transmit_type tx_sop_type)
{
u32 vdo_hdr = port->vdo_data[0];
@@ -1516,7 +1528,10 @@ static void tcpm_queue_vdm(struct tcpm_port *port, const u32 header,
/* If is sending discover_identity, handle received message first */
if (PD_VDO_SVDM(vdo_hdr) && PD_VDO_CMD(vdo_hdr) == CMD_DISCOVER_IDENT) {
- port->send_discover = true;
+ if (tx_sop_type == TCPC_TX_SOP_PRIME)
+ port->send_discover_prime = true;
+ else
+ port->send_discover = true;
mod_send_discover_delayed_work(port, SEND_DISCOVER_RETRY_MS);
} else {
/* Make sure we are not still processing a previous VDM packet */
@@ -1531,6 +1546,8 @@ static void tcpm_queue_vdm(struct tcpm_port *port, const u32 header,
port->vdm_state = VDM_STATE_READY;
port->vdm_sm_running = true;
+ port->tx_sop_type = tx_sop_type;
+
mod_vdm_delayed_work(port, 0);
}
@@ -1538,7 +1555,7 @@ static void tcpm_queue_vdm_unlocked(struct tcpm_port *port, const u32 header,
const u32 *data, int cnt)
{
mutex_lock(&port->lock);
- tcpm_queue_vdm(port, header, data, cnt);
+ tcpm_queue_vdm(port, header, data, cnt, TCPC_TX_SOP);
mutex_unlock(&port->lock);
}
@@ -1560,6 +1577,63 @@ static void svdm_consume_identity(struct tcpm_port *port, const u32 *p, int cnt)
PD_PRODUCT_PID(product), product & 0xffff);
}
+static void svdm_consume_identity_sop_prime(struct tcpm_port *port, const u32 *p, int cnt)
+{
+ u32 idh = p[VDO_INDEX_IDH];
+ u32 product = p[VDO_INDEX_PRODUCT];
+ int svdm_version;
+
+ /*
+ * Attempt to consume identity only if cable currently is not set
+ */
+ if (!IS_ERR_OR_NULL(port->cable))
+ goto register_plug;
+
+ /* Reset cable identity */
+ memset(&port->cable_ident, 0, sizeof(port->cable_ident));
+
+ /* Fill out id header, cert, product, cable VDO 1 */
+ port->cable_ident.id_header = idh;
+ port->cable_ident.cert_stat = p[VDO_INDEX_CSTAT];
+ port->cable_ident.product = product;
+ port->cable_ident.vdo[0] = p[VDO_INDEX_CABLE_1];
+
+ /* Fill out cable desc, infer svdm_version from pd revision */
+ port->cable_desc.type = (enum typec_plug_type) (VDO_TYPEC_CABLE_TYPE(p[VDO_INDEX_CABLE_1]) +
+ USB_PLUG_TYPE_A);
+ port->cable_desc.active = PD_IDH_PTYPE(idh) == IDH_PTYPE_ACABLE ? 1 : 0;
+ /* Log PD Revision and additional cable VDO from negotiated revision */
+ switch (port->negotiated_rev_prime) {
+ case PD_REV30:
+ port->cable_desc.pd_revision = 0x0300;
+ if (port->cable_desc.active)
+ port->cable_ident.vdo[1] = p[VDO_INDEX_CABLE_2];
+ break;
+ case PD_REV20:
+ port->cable_desc.pd_revision = 0x0200;
+ break;
+ default:
+ port->cable_desc.pd_revision = 0x0200;
+ break;
+ }
+ port->cable_desc.identity = &port->cable_ident;
+ /* Register Cable, set identity and svdm_version */
+ port->cable = typec_register_cable(port->typec_port, &port->cable_desc);
+ if (IS_ERR_OR_NULL(port->cable))
+ return;
+ typec_cable_set_identity(port->cable);
+ /* Get SVDM version */
+ svdm_version = PD_VDO_SVDM_VER(p[VDO_INDEX_HDR]);
+ typec_cable_set_svdm_version(port->cable, svdm_version);
+
+register_plug:
+ if (IS_ERR_OR_NULL(port->plug_prime)) {
+ port->plug_prime_desc.index = TYPEC_PLUG_SOP_P;
+ port->plug_prime = typec_register_plug(port->cable,
+ &port->plug_prime_desc);
+ }
+}
+
static bool svdm_consume_svids(struct tcpm_port *port, const u32 *p, int cnt)
{
struct pd_mode_data *pmdata = &port->mode_data;
@@ -1654,6 +1728,7 @@ static void tcpm_register_partner_altmodes(struct tcpm_port *port)
}
#define supports_modal(port) PD_IDH_MODAL_SUPP((port)->partner_ident.id_header)
+#define supports_host(port) PD_IDH_HOST_SUPP((port->partner_ident.id_header))
/*
* Helper to determine whether the port is capable of SOP' communication at the
@@ -1706,9 +1781,35 @@ static bool tcpm_can_communicate_sop_prime(struct tcpm_port *port)
return false;
}
+static bool tcpm_attempt_vconn_swap_discovery(struct tcpm_port *port)
+{
+ if (!port->tcpc->attempt_vconn_swap_discovery)
+ return false;
+
+ /* Port is already source, no need to perform swap */
+ if (port->vconn_role == TYPEC_SOURCE)
+ return false;
+
+ /*
+ * Partner needs to support Alternate Modes with modal support. If
+ * partner is also capable of being a USB Host, it could be a device
+ * that supports Alternate Modes as the DFP.
+ */
+ if (!supports_modal(port) || supports_host(port))
+ return false;
+
+ if ((port->negotiated_rev == PD_REV20 && port->data_role == TYPEC_HOST) ||
+ port->negotiated_rev == PD_REV30)
+ return port->tcpc->attempt_vconn_swap_discovery(port->tcpc);
+
+ return false;
+}
+
static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
const u32 *p, int cnt, u32 *response,
- enum adev_actions *adev_action)
+ enum adev_actions *adev_action,
+ enum tcpm_transmit_type rx_sop_type,
+ enum tcpm_transmit_type *response_tx_sop_type)
{
struct typec_port *typec = port->typec_port;
struct typec_altmode *pdev;
@@ -1718,6 +1819,7 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
int cmd_type;
int cmd;
int i;
+ int ret;
cmd_type = PD_VDO_CMDT(p[0]);
cmd = PD_VDO_CMD(p[0]);
@@ -1730,9 +1832,25 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
pdev = typec_match_altmode(port->partner_altmode, ALTMODE_DISCOVERY_MAX,
PD_VDO_VID(p[0]), PD_VDO_OPOS(p[0]));
- svdm_version = typec_get_negotiated_svdm_version(typec);
- if (svdm_version < 0)
- return 0;
+ switch (rx_sop_type) {
+ case TCPC_TX_SOP_PRIME:
+ if (!IS_ERR_OR_NULL(port->cable)) {
+ svdm_version = typec_get_cable_svdm_version(typec);
+ if (PD_VDO_SVDM_VER(p[0]) < svdm_version)
+ typec_cable_set_svdm_version(port->cable, svdm_version);
+ }
+ break;
+ case TCPC_TX_SOP:
+ svdm_version = typec_get_negotiated_svdm_version(typec);
+ if (svdm_version < 0)
+ return 0;
+ break;
+ default:
+ svdm_version = typec_get_negotiated_svdm_version(typec);
+ if (svdm_version < 0)
+ return 0;
+ break;
+ }
switch (cmd_type) {
case CMDT_INIT:
@@ -1802,22 +1920,89 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
(VDO_SVDM_VERS(typec_get_negotiated_svdm_version(typec)));
break;
case CMDT_RSP_ACK:
- /* silently drop message if we are not connected */
- if (IS_ERR_OR_NULL(port->partner))
+ /*
+ * Silently drop message if we are not connected, but can process
+ * if SOP' Discover Identity prior to explicit contract.
+ */
+ if (IS_ERR_OR_NULL(port->partner) &&
+ !(rx_sop_type == TCPC_TX_SOP_PRIME && cmd == CMD_DISCOVER_IDENT))
break;
tcpm_ams_finish(port);
switch (cmd) {
+ /*
+ * SVDM Command Flow for SOP and SOP':
+ * SOP Discover Identity
+ * SOP' Discover Identity
+ * SOP Discover SVIDs
+ * Discover Modes
+ *
+ * Perform Discover SOP' if the port can communicate with cable
+ * plug.
+ */
case CMD_DISCOVER_IDENT:
- if (PD_VDO_SVDM_VER(p[0]) < svdm_version)
- typec_partner_set_svdm_version(port->partner,
- PD_VDO_SVDM_VER(p[0]));
- /* 6.4.4.3.1 */
- svdm_consume_identity(port, p, cnt);
- response[0] = VDO(USB_SID_PD, 1, typec_get_negotiated_svdm_version(typec),
- CMD_DISCOVER_SVID);
- rlen = 1;
+ switch (rx_sop_type) {
+ case TCPC_TX_SOP:
+ if (PD_VDO_SVDM_VER(p[0]) < svdm_version) {
+ typec_partner_set_svdm_version(port->partner,
+ PD_VDO_SVDM_VER(p[0]));
+ /* If cable is discovered before partner, downgrade svdm */
+ if (!IS_ERR_OR_NULL(port->cable) &&
+ (typec_get_cable_svdm_version(port->typec_port) >
+ svdm_version))
+ typec_cable_set_svdm_version(port->cable,
+ svdm_version);
+ }
+ /* 6.4.4.3.1 */
+ svdm_consume_identity(port, p, cnt);
+ /* Attempt Vconn swap, delay SOP' discovery if necessary */
+ if (tcpm_attempt_vconn_swap_discovery(port)) {
+ port->send_discover_prime = true;
+ port->upcoming_state = VCONN_SWAP_SEND;
+ ret = tcpm_ams_start(port, VCONN_SWAP);
+ if (!ret)
+ return 0;
+ port->upcoming_state = INVALID_STATE;
+ port->send_discover_prime = false;
+ }
+
+ /*
+ * Attempt Discover Identity on SOP' if the
+ * cable was not discovered previously, and use
+ * the SVDM version of the partner to probe.
+ */
+ if (IS_ERR_OR_NULL(port->cable) &&
+ tcpm_can_communicate_sop_prime(port)) {
+ *response_tx_sop_type = TCPC_TX_SOP_PRIME;
+ port->send_discover_prime = true;
+ response[0] = VDO(USB_SID_PD, 1,
+ typec_get_negotiated_svdm_version(typec),
+ CMD_DISCOVER_IDENT);
+ rlen = 1;
+ } else {
+ *response_tx_sop_type = TCPC_TX_SOP;
+ response[0] = VDO(USB_SID_PD, 1,
+ typec_get_negotiated_svdm_version(typec),
+ CMD_DISCOVER_SVID);
+ rlen = 1;
+ }
+ break;
+ case TCPC_TX_SOP_PRIME:
+ /*
+ * svdm_consume_identity_sop_prime will determine
+ * the svdm_version for the cable moving forward.
+ */
+ svdm_consume_identity_sop_prime(port, p, cnt);
+ *response_tx_sop_type = TCPC_TX_SOP;
+ response[0] = VDO(USB_SID_PD, 1,
+ typec_get_negotiated_svdm_version(typec),
+ CMD_DISCOVER_SVID);
+ rlen = 1;
+ break;
+ default:
+ return 0;
+ }
break;
case CMD_DISCOVER_SVID:
/* 6.4.4.3.2 */
@@ -1903,13 +2088,15 @@ static void tcpm_pd_handle_msg(struct tcpm_port *port,
enum tcpm_ams ams);
static void tcpm_handle_vdm_request(struct tcpm_port *port,
- const __le32 *payload, int cnt)
+ const __le32 *payload, int cnt,
+ enum tcpm_transmit_type rx_sop_type)
{
enum adev_actions adev_action = ADEV_NONE;
struct typec_altmode *adev;
u32 p[PD_MAX_PAYLOAD];
u32 response[8] = { };
int i, rlen = 0;
+ enum tcpm_transmit_type response_tx_sop_type = TCPC_TX_SOP;
for (i = 0; i < cnt; i++)
p[i] = le32_to_cpu(payload[i]);
@@ -1944,7 +2131,8 @@ static void tcpm_handle_vdm_request(struct tcpm_port *port,
* - We will send NAK and the flag will be cleared in the state machine.
*/
port->vdm_sm_running = true;
- rlen = tcpm_pd_svdm(port, adev, p, cnt, response, &adev_action);
+ rlen = tcpm_pd_svdm(port, adev, p, cnt, response, &adev_action,
+ rx_sop_type, &response_tx_sop_type);
} else {
if (port->negotiated_rev >= PD_REV30)
tcpm_pd_handle_msg(port, PD_MSG_CTRL_NOT_SUPP, NONE_AMS);
@@ -2012,19 +2200,38 @@ static void tcpm_handle_vdm_request(struct tcpm_port *port,
mutex_lock(&port->lock);
if (rlen > 0)
- tcpm_queue_vdm(port, response[0], &response[1], rlen - 1);
+ tcpm_queue_vdm(port, response[0], &response[1], rlen - 1, response_tx_sop_type);
else
port->vdm_sm_running = false;
}
static void tcpm_send_vdm(struct tcpm_port *port, u32 vid, int cmd,
- const u32 *data, int count)
+ const u32 *data, int count, enum tcpm_transmit_type tx_sop_type)
{
- int svdm_version = typec_get_negotiated_svdm_version(port->typec_port);
+ int svdm_version;
u32 header;
- if (svdm_version < 0)
- return;
+ switch (tx_sop_type) {
+ case TCPC_TX_SOP_PRIME:
+ /*
+ * If the port partner is discovered, then the port partner's
+ * SVDM Version will be returned
+ */
+ svdm_version = typec_get_cable_svdm_version(port->typec_port);
+ if (svdm_version < 0)
+ svdm_version = SVDM_VER_MAX;
+ break;
+ case TCPC_TX_SOP:
+ svdm_version = typec_get_negotiated_svdm_version(port->typec_port);
+ if (svdm_version < 0)
+ return;
+ break;
+ default:
+ svdm_version = typec_get_negotiated_svdm_version(port->typec_port);
+ if (svdm_version < 0)
+ return;
+ break;
+ }
if (WARN_ON(count > VDO_MAX_SIZE - 1))
count = VDO_MAX_SIZE - 1;
@@ -2033,7 +2240,7 @@ static void tcpm_send_vdm(struct tcpm_port *port, u32 vid, int cmd,
header = VDO(vid, ((vid & USB_SID_PD) == USB_SID_PD) ?
1 : (PD_VDO_CMD(cmd) <= CMD_ATTENTION),
svdm_version, cmd);
- tcpm_queue_vdm(port, header, data, count);
+ tcpm_queue_vdm(port, header, data, count, tx_sop_type);
}
static unsigned int vdm_ready_timeout(u32 vdm_hdr)
@@ -2067,6 +2274,7 @@ static void vdm_run_state_machine(struct tcpm_port *port)
struct pd_message msg;
int i, res = 0;
u32 vdo_hdr = port->vdo_data[0];
+ u32 response[8] = { };
switch (port->vdm_state) {
case VDM_STATE_READY:
@@ -2091,7 +2299,17 @@ static void vdm_run_state_machine(struct tcpm_port *port)
case CMD_DISCOVER_IDENT:
res = tcpm_ams_start(port, DISCOVER_IDENTITY);
if (res == 0) {
- port->send_discover = false;
+ switch (port->tx_sop_type) {
+ case TCPC_TX_SOP_PRIME:
+ port->send_discover_prime = false;
+ break;
+ case TCPC_TX_SOP:
+ port->send_discover = false;
+ break;
+ default:
+ port->send_discover = false;
+ break;
+ }
} else if (res == -EAGAIN) {
port->vdo_data[0] = 0;
mod_send_discover_delayed_work(port,
@@ -2160,19 +2378,49 @@ static void vdm_run_state_machine(struct tcpm_port *port)
tcpm_ams_finish(port);
} else {
tcpm_ams_finish(port);
+ if (port->tx_sop_type == TCPC_TX_SOP)
+ break;
+ /* Handle SOP' Transmission Errors */
+ switch (PD_VDO_CMD(vdo_hdr)) {
+ /*
+ * If Discover Identity fails on SOP', then resume
+ * discovery process on SOP only.
+ */
+ case CMD_DISCOVER_IDENT:
+ port->vdo_data[0] = 0;
+ response[0] = VDO(USB_SID_PD, 1,
+ typec_get_negotiated_svdm_version(
+ port->typec_port),
+ CMD_DISCOVER_SVID);
+ tcpm_queue_vdm(port, response[0], &response[1],
+ 0, TCPC_TX_SOP);
+ break;
+ default:
+ break;
+ }
}
break;
case VDM_STATE_SEND_MESSAGE:
/* Prepare and send VDM */
memset(&msg, 0, sizeof(msg));
- msg.header = PD_HEADER_LE(PD_DATA_VENDOR_DEF,
- port->pwr_role,
- port->data_role,
- port->negotiated_rev,
- port->message_id, port->vdo_count);
+ if (port->tx_sop_type == TCPC_TX_SOP_PRIME) {
+ msg.header = PD_HEADER_LE(PD_DATA_VENDOR_DEF,
+ 0, /* Cable Plug Indicator for DFP/UFP */
+ 0, /* Reserved */
+ port->negotiated_rev_prime,
+ port->message_id_prime,
+ port->vdo_count);
+ } else {
+ msg.header = PD_HEADER_LE(PD_DATA_VENDOR_DEF,
+ port->pwr_role,
+ port->data_role,
+ port->negotiated_rev,
+ port->message_id,
+ port->vdo_count);
+ }
for (i = 0; i < port->vdo_count; i++)
msg.payload[i] = cpu_to_le32(port->vdo_data[i]);
- res = tcpm_pd_transmit(port, TCPC_TX_SOP, &msg);
+ res = tcpm_pd_transmit(port, port->tx_sop_type, &msg);
if (res < 0) {
port->vdm_state = VDM_STATE_ERR_SEND;
} else {
@@ -2559,7 +2807,8 @@ static int tcpm_register_sink_caps(struct tcpm_port *port)
}
static void tcpm_pd_data_request(struct tcpm_port *port,
- const struct pd_message *msg)
+ const struct pd_message *msg,
+ enum tcpm_transmit_type rx_sop_type)
{
enum pd_data_msg_type type = pd_header_type_le(msg->header);
unsigned int cnt = pd_header_cnt_le(msg->header);
@@ -2600,8 +2849,11 @@ static void tcpm_pd_data_request(struct tcpm_port *port,
break;
}
- if (rev < PD_MAX_REV)
+ if (rev < PD_MAX_REV) {
port->negotiated_rev = rev;
+ if (port->negotiated_rev_prime > port->negotiated_rev)
+ port->negotiated_rev_prime = port->negotiated_rev;
+ }
if (port->pwr_role == TYPEC_SOURCE) {
if (port->ams == GET_SOURCE_CAPABILITIES)
@@ -2652,8 +2904,11 @@ static void tcpm_pd_data_request(struct tcpm_port *port,
break;
}
- if (rev < PD_MAX_REV)
+ if (rev < PD_MAX_REV) {
port->negotiated_rev = rev;
+ if (port->negotiated_rev_prime > port->negotiated_rev)
+ port->negotiated_rev_prime = port->negotiated_rev;
+ }
if (port->pwr_role != TYPEC_SOURCE || cnt != 1) {
tcpm_pd_handle_msg(port,
@@ -2709,7 +2964,7 @@ static void tcpm_pd_data_request(struct tcpm_port *port,
NONE_AMS);
break;
case PD_DATA_VENDOR_DEF:
- tcpm_handle_vdm_request(port, msg->payload, cnt);
+ tcpm_handle_vdm_request(port, msg->payload, cnt, rx_sop_type);
break;
case PD_DATA_BIST:
port->bist_request = le32_to_cpu(msg->payload[0]);
@@ -3152,7 +3407,7 @@ static void tcpm_pd_rx_handler(struct kthread_work *work)
if (le16_to_cpu(msg->header) & PD_HEADER_EXT_HDR)
tcpm_pd_ext_msg_request(port, msg);
else if (cnt)
- tcpm_pd_data_request(port, msg);
+ tcpm_pd_data_request(port, msg, rx_sop_type);
else
tcpm_pd_ctrl_request(port, msg, rx_sop_type);
}
@@ -3809,6 +4064,7 @@ static int tcpm_src_attach(struct tcpm_port *port)
port->attached = true;
port->send_discover = true;
+ port->send_discover_prime = false;
return 0;
@@ -3825,6 +4081,15 @@ static int tcpm_src_attach(struct tcpm_port *port)
static void tcpm_typec_disconnect(struct tcpm_port *port)
{
+ /*
+ * Unregister plug/cable outside of port->connected because cable can
+ * be discovered before SRC_READY/SNK_READY states where port->connected
+ * is set.
+ */
+ typec_unregister_plug(port->plug_prime);
+ typec_unregister_cable(port->cable);
+ port->plug_prime = NULL;
+ port->cable = NULL;
if (port->connected) {
typec_partner_set_usb_power_delivery(port->partner, NULL);
typec_unregister_partner(port->partner);
@@ -3947,6 +4212,7 @@ static int tcpm_snk_attach(struct tcpm_port *port)
port->attached = true;
port->send_discover = true;
+ port->send_discover_prime = false;
return 0;
}
@@ -4308,14 +4574,23 @@ static void run_state_machine(struct tcpm_port *port)
* 6.4.4.3.1 Discover Identity
* "The Discover Identity Command Shall only be sent to SOP when there is an
* Explicit Contract."
- * For now, this driver only supports SOP for DISCOVER_IDENTITY, thus using
- * port->explicit_contract to decide whether to send the command.
+ *
+ * Discover Identity on SOP' should be discovered prior to the
+ * ready state, but if done after a Vconn Swap following Discover
+ * Identity on SOP then the discovery process can be run here
+ * as well.
*/
if (port->explicit_contract) {
- tcpm_set_initial_svdm_version(port);
+ if (port->send_discover_prime) {
+ port->tx_sop_type = TCPC_TX_SOP_PRIME;
+ } else {
+ port->tx_sop_type = TCPC_TX_SOP;
+ tcpm_set_initial_svdm_version(port);
+ }
mod_send_discover_delayed_work(port, 0);
} else {
port->send_discover = false;
+ port->send_discover_prime = false;
}
/*
@@ -4607,14 +4882,23 @@ static void run_state_machine(struct tcpm_port *port)
* 6.4.4.3.1 Discover Identity
* "The Discover Identity Command Shall only be sent to SOP when there is an
* Explicit Contract."
- * For now, this driver only supports SOP for DISCOVER_IDENTITY, thus using
- * port->explicit_contract.
+ *
+ * Discover Identity on SOP' should be discovered prior to the
+ * ready state, but if done after a Vconn Swap following Discover
+ * Identity on SOP then the discovery process can be run here
+ * as well.
*/
if (port->explicit_contract) {
- tcpm_set_initial_svdm_version(port);
+ if (port->send_discover_prime) {
+ port->tx_sop_type = TCPC_TX_SOP_PRIME;
+ } else {
+ port->tx_sop_type = TCPC_TX_SOP;
+ tcpm_set_initial_svdm_version(port);
+ }
mod_send_discover_delayed_work(port, 0);
} else {
port->send_discover = false;
+ port->send_discover_prime = false;
}
power_supply_changed(port->psy);
@@ -4655,6 +4939,7 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_unregister_altmodes(port);
port->nr_sink_caps = 0;
port->send_discover = true;
+ port->send_discover_prime = false;
if (port->pwr_role == TYPEC_SOURCE)
tcpm_set_state(port, SRC_HARD_RESET_VBUS_OFF,
PD_T_PS_HARD_RESET);
@@ -4801,20 +5086,25 @@ static void run_state_machine(struct tcpm_port *port)
/* DR_Swap states */
case DR_SWAP_SEND:
tcpm_pd_send_control(port, PD_CTRL_DR_SWAP, TCPC_TX_SOP);
- if (port->data_role == TYPEC_DEVICE || port->negotiated_rev > PD_REV20)
+ if (port->data_role == TYPEC_DEVICE || port->negotiated_rev > PD_REV20) {
port->send_discover = true;
+ port->send_discover_prime = false;
+ }
tcpm_set_state_cond(port, DR_SWAP_SEND_TIMEOUT,
PD_T_SENDER_RESPONSE);
break;
case DR_SWAP_ACCEPT:
tcpm_pd_send_control(port, PD_CTRL_ACCEPT, TCPC_TX_SOP);
- if (port->data_role == TYPEC_DEVICE || port->negotiated_rev > PD_REV20)
+ if (port->data_role == TYPEC_DEVICE || port->negotiated_rev > PD_REV20) {
port->send_discover = true;
+ port->send_discover_prime = false;
+ }
tcpm_set_state_cond(port, DR_SWAP_CHANGE_DR, 0);
break;
case DR_SWAP_SEND_TIMEOUT:
tcpm_swap_complete(port, -ETIMEDOUT);
port->send_discover = false;
+ port->send_discover_prime = false;
tcpm_ams_finish(port);
tcpm_set_state(port, ready_state(port), 0);
break;
@@ -5796,7 +6086,8 @@ static void tcpm_enable_frs_work(struct kthread_work *work)
goto unlock;
/* Send when the state machine is idle */
- if (port->state != SNK_READY || port->vdm_sm_running || port->send_discover)
+ if (port->state != SNK_READY || port->vdm_sm_running || port->send_discover ||
+ port->send_discover_prime)
goto resched;
port->upcoming_state = GET_SINK_CAP;
@@ -5819,11 +6110,12 @@ static void tcpm_send_discover_work(struct kthread_work *work)
mutex_lock(&port->lock);
/* No need to send DISCOVER_IDENTITY anymore */
- if (!port->send_discover)
+ if (!port->send_discover && !port->send_discover_prime)
goto unlock;
if (port->data_role == TYPEC_DEVICE && port->negotiated_rev < PD_REV30) {
port->send_discover = false;
+ port->send_discover_prime = false;
goto unlock;
}
@@ -5833,7 +6125,7 @@ static void tcpm_send_discover_work(struct kthread_work *work)
goto unlock;
}
- tcpm_send_vdm(port, USB_SID_PD, CMD_DISCOVER_IDENT, NULL, 0);
+ tcpm_send_vdm(port, USB_SID_PD, CMD_DISCOVER_IDENT, NULL, 0, port->tx_sop_type);
unlock:
mutex_unlock(&port->lock);
diff --git a/include/linux/usb/pd_vdo.h b/include/linux/usb/pd_vdo.h
index 3a747938cdab4..c09c5a12e2734 100644
--- a/include/linux/usb/pd_vdo.h
+++ b/include/linux/usb/pd_vdo.h
@@ -86,12 +86,15 @@
*
* Request is simply properly formatted SVDM header
*
- * Response is 4 data objects:
+ * Response is 4 data objects for Power Delivery 2.0 and Passive Cables for
+ * Power Delivery 3.0. Active Cables in Power Delivery 3.0 have 5 data objects.
* [0] :: SVDM header
* [1] :: Identitiy header
* [2] :: Cert Stat VDO
* [3] :: (Product | Cable) VDO
+ * [4] :: Cable VDO 1
* [4] :: AMA VDO
+ * [5] :: Cable VDO 2
*
*/
#define VDO_INDEX_HDR 0
@@ -100,6 +103,8 @@
#define VDO_INDEX_CABLE 3
#define VDO_INDEX_PRODUCT 3
#define VDO_INDEX_AMA 4
+#define VDO_INDEX_CABLE_1 4
+#define VDO_INDEX_CABLE_2 5
/*
* SVDM Identity Header
@@ -150,6 +155,7 @@
#define PD_IDH_MODAL_SUPP(vdo) ((vdo) & (1 << 26))
#define PD_IDH_DFP_PTYPE(vdo) (((vdo) >> 23) & 0x7)
#define PD_IDH_CONN_TYPE(vdo) (((vdo) >> 21) & 0x3)
+#define PD_IDH_HOST_SUPP(vdo) ((vdo) & (1 << 31))
/*
* Cert Stat VDO
--
GitLab
From af8b627046bcb024e34923a8fa3903dcfc297dee Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Mon, 8 Jan 2024 19:16:22 +0000
Subject: [PATCH 0160/2686] usb: typec: tcpm: add state machine support for
SRC_VDM_IDENTITY_REQUEST
Add SRC_VDM_IDENTITY_REQUEST state which first enters after SRC_STARTUP.
The state sends Discover Identity on SOP' and transitions to
SRC_SEND_CAPABILITIES. SRC_SEND_CAPABILITIES will transition back into
SRC_VDM_IDENTITY_REQUEST instead of retrying immediately.
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240108191620.987785-23-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpm.c | 49 ++++++++++++++++++++++++++++++-----
1 file changed, 43 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index a870fbc6bc35c..1ce525c8f97ce 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -146,7 +146,9 @@
S(PORT_RESET_WAIT_OFF), \
\
S(AMS_START), \
- S(CHUNK_NOT_SUPP)
+ S(CHUNK_NOT_SUPP), \
+ \
+ S(SRC_VDM_IDENTITY_REQUEST)
#define FOREACH_AMS(S) \
S(NONE_AMS), \
@@ -1963,6 +1965,7 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
ret = tcpm_ams_start(port, VCONN_SWAP);
if (!ret)
return 0;
+ /* Cannot perform Vconn swap */
port->upcoming_state = INVALID_STATE;
port->send_discover_prime = false;
}
@@ -1994,6 +1997,16 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
* the svdm_version for the cable moving forward.
*/
svdm_consume_identity_sop_prime(port, p, cnt);
+
+ /*
+ * If received in SRC_VDM_IDENTITY_REQUEST, continue
+ * to SRC_SEND_CAPABILITIES
+ */
+ if (port->state == SRC_VDM_IDENTITY_REQUEST) {
+ tcpm_set_state(port, SRC_SEND_CAPABILITIES, 0);
+ return 0;
+ }
+
*response_tx_sop_type = TCPC_TX_SOP;
response[0] = VDO(USB_SID_PD, 1,
typec_get_negotiated_svdm_version(typec),
@@ -2288,7 +2301,8 @@ static void vdm_run_state_machine(struct tcpm_port *port)
* if there's traffic or we're not in PDO ready state don't send
* a VDM.
*/
- if (port->state != SRC_READY && port->state != SNK_READY) {
+ if (port->state != SRC_READY && port->state != SNK_READY &&
+ port->state != SRC_VDM_IDENTITY_REQUEST) {
port->vdm_sm_running = false;
break;
}
@@ -2364,13 +2378,22 @@ static void vdm_run_state_machine(struct tcpm_port *port)
tcpm_ams_finish(port);
break;
case VDM_STATE_ERR_SEND:
+ /*
+ * When sending Discover Identity to SOP' before establishing an
+ * explicit contract, do not retry. Instead, weave sending
+ * Source_Capabilities over SOP and Discover Identity over SOP'.
+ */
+ if (port->state == SRC_VDM_IDENTITY_REQUEST) {
+ tcpm_ams_finish(port);
+ port->vdm_state = VDM_STATE_DONE;
+ tcpm_set_state(port, SRC_SEND_CAPABILITIES, 0);
/*
* A partner which does not support USB PD will not reply,
* so this is not a fatal error. At the same time, some
* devices may not return GoodCRC under some circumstances,
* so we need to retry.
*/
- if (port->vdm_retries < 3) {
+ } else if (port->vdm_retries < 3) {
tcpm_log(port, "VDM Tx error, retry");
port->vdm_retries++;
port->vdm_state = VDM_STATE_READY;
@@ -4478,8 +4501,12 @@ static void run_state_machine(struct tcpm_port *port)
}
ret = tcpm_pd_send_source_caps(port);
if (ret < 0) {
- tcpm_set_state(port, SRC_SEND_CAPABILITIES,
- PD_T_SEND_SOURCE_CAP);
+ if (tcpm_can_communicate_sop_prime(port) &&
+ IS_ERR_OR_NULL(port->cable))
+ tcpm_set_state(port, SRC_VDM_IDENTITY_REQUEST, 0);
+ else
+ tcpm_set_state(port, SRC_SEND_CAPABILITIES,
+ PD_T_SEND_SOURCE_CAP);
} else {
/*
* Per standard, we should clear the reset counter here.
@@ -5395,6 +5422,15 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_pd_send_control(port, PD_CTRL_NOT_SUPP, TCPC_TX_SOP);
tcpm_set_state(port, port->pwr_role == TYPEC_SOURCE ? SRC_READY : SNK_READY, 0);
break;
+
+ /* Cable states */
+ case SRC_VDM_IDENTITY_REQUEST:
+ port->send_discover_prime = true;
+ port->tx_sop_type = TCPC_TX_SOP_PRIME;
+ mod_send_discover_delayed_work(port, 0);
+ port->upcoming_state = SRC_SEND_CAPABILITIES;
+ break;
+
default:
WARN(1, "Unexpected port state %d\n", port->state);
break;
@@ -6120,7 +6156,8 @@ static void tcpm_send_discover_work(struct kthread_work *work)
}
/* Retry if the port is not idle */
- if ((port->state != SRC_READY && port->state != SNK_READY) || port->vdm_sm_running) {
+ if ((port->state != SRC_READY && port->state != SNK_READY &&
+ port->state != SRC_VDM_IDENTITY_REQUEST) || port->vdm_sm_running) {
mod_send_discover_delayed_work(port, SEND_DISCOVER_RETRY_MS);
goto unlock;
}
--
GitLab
From 41d9d75344d900814b883ba85164645eebbaf846 Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Mon, 8 Jan 2024 19:16:23 +0000
Subject: [PATCH 0161/2686] usb: typec: tcpm: add discover svids and discover
modes support for sop'
Adds Discover SVIDs and Discover Modes support for SOP' and Alt Mode
SVDM support over SOP'. tcpm_port adds separate Alt Mode data for SOP'.
svdm_consume_svids and svdm_consume_modes take the received SVDM's SOP*
type to store svids/modes separately, and tcpm_register_plug_altmodes
registers the active cable's alt modes.
In tcpm_pd_svdm, the port will send Discover SVIDs to SOP' after Discover
Modes on SOP if the connected cable is an active cable. Discover Modes on
SOP' is sent following Discover SVIDs on SOP. Registering partner alt modes
is delayed when an active cable is present until Discover Modes completes
on SOP', or if the Discover SVIDs/Discover Modes request on SOP' encounters
a transmission error.
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240108191620.987785-24-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpm.c | 161 +++++++++++++++++++++++++++++-----
1 file changed, 140 insertions(+), 21 deletions(-)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 1ce525c8f97ce..d16edf1128581 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -477,7 +477,9 @@ struct tcpm_port {
/* Alternate mode data */
struct pd_mode_data mode_data;
+ struct pd_mode_data mode_data_prime;
struct typec_altmode *partner_altmode[ALTMODE_DISCOVERY_MAX];
+ struct typec_altmode *plug_prime_altmode[ALTMODE_DISCOVERY_MAX];
struct typec_altmode *port_altmode[ALTMODE_DISCOVERY_MAX];
/* Deadline in jiffies to exit src_try_wait state */
@@ -1636,9 +1638,11 @@ static void svdm_consume_identity_sop_prime(struct tcpm_port *port, const u32 *p
}
}
-static bool svdm_consume_svids(struct tcpm_port *port, const u32 *p, int cnt)
+static bool svdm_consume_svids(struct tcpm_port *port, const u32 *p, int cnt,
+ enum tcpm_transmit_type rx_sop_type)
{
- struct pd_mode_data *pmdata = &port->mode_data;
+ struct pd_mode_data *pmdata = rx_sop_type == TCPC_TX_SOP_PRIME ?
+ &port->mode_data_prime : &port->mode_data;
int i;
for (i = 1; i < cnt; i++) {
@@ -1684,14 +1688,29 @@ static bool svdm_consume_svids(struct tcpm_port *port, const u32 *p, int cnt)
return false;
}
-static void svdm_consume_modes(struct tcpm_port *port, const u32 *p, int cnt)
+static void svdm_consume_modes(struct tcpm_port *port, const u32 *p, int cnt,
+ enum tcpm_transmit_type rx_sop_type)
{
struct pd_mode_data *pmdata = &port->mode_data;
struct typec_altmode_desc *paltmode;
int i;
- if (pmdata->altmodes >= ARRAY_SIZE(port->partner_altmode)) {
- /* Already logged in svdm_consume_svids() */
+ switch (rx_sop_type) {
+ case TCPC_TX_SOP_PRIME:
+ pmdata = &port->mode_data_prime;
+ if (pmdata->altmodes >= ARRAY_SIZE(port->plug_prime_altmode)) {
+ /* Already logged in svdm_consume_svids() */
+ return;
+ }
+ break;
+ case TCPC_TX_SOP:
+ pmdata = &port->mode_data;
+ if (pmdata->altmodes >= ARRAY_SIZE(port->partner_altmode)) {
+ /* Already logged in svdm_consume_svids() */
+ return;
+ }
+ break;
+ default:
return;
}
@@ -1729,7 +1748,28 @@ static void tcpm_register_partner_altmodes(struct tcpm_port *port)
}
}
+static void tcpm_register_plug_altmodes(struct tcpm_port *port)
+{
+ struct pd_mode_data *modep = &port->mode_data_prime;
+ struct typec_altmode *altmode;
+ int i;
+
+ typec_plug_set_num_altmodes(port->plug_prime, modep->altmodes);
+
+ for (i = 0; i < modep->altmodes; i++) {
+ altmode = typec_plug_register_altmode(port->plug_prime,
+ &modep->altmode_desc[i]);
+ if (IS_ERR(altmode)) {
+ tcpm_log(port, "Failed to register plug SVID 0x%04x",
+ modep->altmode_desc[i].svid);
+ altmode = NULL;
+ }
+ port->plug_prime_altmode[i] = altmode;
+ }
+}
+
#define supports_modal(port) PD_IDH_MODAL_SUPP((port)->partner_ident.id_header)
+#define supports_modal_cable(port) PD_IDH_MODAL_SUPP((port)->cable_ident.id_header)
#define supports_host(port) PD_IDH_HOST_SUPP((port->partner_ident.id_header))
/*
@@ -1807,6 +1847,15 @@ static bool tcpm_attempt_vconn_swap_discovery(struct tcpm_port *port)
return false;
}
+
+static bool tcpm_cable_vdm_supported(struct tcpm_port *port)
+{
+ return !IS_ERR_OR_NULL(port->cable) &&
+ typec_cable_is_active(port->cable) &&
+ supports_modal_cable(port) &&
+ tcpm_can_communicate_sop_prime(port);
+}
+
static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
const u32 *p, int cnt, u32 *response,
enum adev_actions *adev_action,
@@ -1814,8 +1863,8 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
enum tcpm_transmit_type *response_tx_sop_type)
{
struct typec_port *typec = port->typec_port;
- struct typec_altmode *pdev;
- struct pd_mode_data *modep;
+ struct typec_altmode *pdev, *pdev_prime;
+ struct pd_mode_data *modep, *modep_prime;
int svdm_version;
int rlen = 0;
int cmd_type;
@@ -1836,6 +1885,11 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
switch (rx_sop_type) {
case TCPC_TX_SOP_PRIME:
+ modep_prime = &port->mode_data_prime;
+ pdev_prime = typec_match_altmode(port->plug_prime_altmode,
+ ALTMODE_DISCOVERY_MAX,
+ PD_VDO_VID(p[0]),
+ PD_VDO_OPOS(p[0]));
if (!IS_ERR_OR_NULL(port->cable)) {
svdm_version = typec_get_cable_svdm_version(typec);
if (PD_VDO_SVDM_VER(p[0]) < svdm_version)
@@ -1843,11 +1897,21 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
}
break;
case TCPC_TX_SOP:
+ modep = &port->mode_data;
+ pdev = typec_match_altmode(port->partner_altmode,
+ ALTMODE_DISCOVERY_MAX,
+ PD_VDO_VID(p[0]),
+ PD_VDO_OPOS(p[0]));
svdm_version = typec_get_negotiated_svdm_version(typec);
if (svdm_version < 0)
return 0;
break;
default:
+ modep = &port->mode_data;
+ pdev = typec_match_altmode(port->partner_altmode,
+ ALTMODE_DISCOVERY_MAX,
+ PD_VDO_VID(p[0]),
+ PD_VDO_OPOS(p[0]));
svdm_version = typec_get_negotiated_svdm_version(typec);
if (svdm_version < 0)
return 0;
@@ -1939,6 +2003,9 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
* SOP' Discover Identity
* SOP Discover SVIDs
* Discover Modes
+ * (Active Cables)
+ * SOP' Discover SVIDs
+ * Discover Modes
*
* Perform Discover SOP' if the port can communicate with cable
* plug.
@@ -2018,26 +2085,62 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
}
break;
case CMD_DISCOVER_SVID:
+ *response_tx_sop_type = rx_sop_type;
/* 6.4.4.3.2 */
- if (svdm_consume_svids(port, p, cnt)) {
+ if (svdm_consume_svids(port, p, cnt, rx_sop_type)) {
response[0] = VDO(USB_SID_PD, 1, svdm_version, CMD_DISCOVER_SVID);
rlen = 1;
- } else if (modep->nsvids && supports_modal(port)) {
- response[0] = VDO(modep->svids[0], 1, svdm_version,
- CMD_DISCOVER_MODES);
- rlen = 1;
+ } else {
+ if (rx_sop_type == TCPC_TX_SOP) {
+ if (modep->nsvids && supports_modal(port)) {
+ response[0] = VDO(modep->svids[0], 1, svdm_version,
+ CMD_DISCOVER_MODES);
+ rlen = 1;
+ }
+ } else if (rx_sop_type == TCPC_TX_SOP_PRIME) {
+ if (modep_prime->nsvids) {
+ response[0] = VDO(modep_prime->svids[0], 1,
+ svdm_version, CMD_DISCOVER_MODES);
+ rlen = 1;
+ }
+ }
}
break;
case CMD_DISCOVER_MODES:
- /* 6.4.4.3.3 */
- svdm_consume_modes(port, p, cnt);
- modep->svid_index++;
- if (modep->svid_index < modep->nsvids) {
- u16 svid = modep->svids[modep->svid_index];
- response[0] = VDO(svid, 1, svdm_version, CMD_DISCOVER_MODES);
- rlen = 1;
- } else {
- tcpm_register_partner_altmodes(port);
+ if (rx_sop_type == TCPC_TX_SOP) {
+ /* 6.4.4.3.3 */
+ svdm_consume_modes(port, p, cnt, rx_sop_type);
+ modep->svid_index++;
+ if (modep->svid_index < modep->nsvids) {
+ u16 svid = modep->svids[modep->svid_index];
+ *response_tx_sop_type = TCPC_TX_SOP;
+ response[0] = VDO(svid, 1, svdm_version,
+ CMD_DISCOVER_MODES);
+ rlen = 1;
+ } else if (tcpm_cable_vdm_supported(port)) {
+ *response_tx_sop_type = TCPC_TX_SOP_PRIME;
+ response[0] = VDO(USB_SID_PD, 1,
+ typec_get_cable_svdm_version(typec),
+ CMD_DISCOVER_SVID);
+ rlen = 1;
+ } else {
+ tcpm_register_partner_altmodes(port);
+ }
+ } else if (rx_sop_type == TCPC_TX_SOP_PRIME) {
+ /* 6.4.4.3.3 */
+ svdm_consume_modes(port, p, cnt, rx_sop_type);
+ modep_prime->svid_index++;
+ if (modep_prime->svid_index < modep_prime->nsvids) {
+ u16 svid = modep_prime->svids[modep_prime->svid_index];
+ *response_tx_sop_type = TCPC_TX_SOP_PRIME;
+ response[0] = VDO(svid, 1,
+ typec_get_cable_svdm_version(typec),
+ CMD_DISCOVER_MODES);
+ rlen = 1;
+ } else {
+ tcpm_register_plug_altmodes(port);
+ tcpm_register_partner_altmodes(port);
+ }
}
break;
case CMD_ENTER_MODE:
@@ -2418,6 +2521,16 @@ static void vdm_run_state_machine(struct tcpm_port *port)
tcpm_queue_vdm(port, response[0], &response[1],
0, TCPC_TX_SOP);
break;
+ /*
+ * If Discover SVIDs or Discover Modes fail, then
+ * proceed with Alt Mode discovery process on SOP.
+ */
+ case CMD_DISCOVER_SVID:
+ tcpm_register_partner_altmodes(port);
+ break;
+ case CMD_DISCOVER_MODES:
+ tcpm_register_partner_altmodes(port);
+ break;
default:
break;
}
@@ -4124,14 +4237,20 @@ static void tcpm_typec_disconnect(struct tcpm_port *port)
static void tcpm_unregister_altmodes(struct tcpm_port *port)
{
struct pd_mode_data *modep = &port->mode_data;
+ struct pd_mode_data *modep_prime = &port->mode_data_prime;
int i;
for (i = 0; i < modep->altmodes; i++) {
typec_unregister_altmode(port->partner_altmode[i]);
port->partner_altmode[i] = NULL;
}
+ for (i = 0; i < modep_prime->altmodes; i++) {
+ typec_unregister_altmode(port->plug_prime_altmode[i]);
+ port->plug_prime_altmode[i] = NULL;
+ }
memset(modep, 0, sizeof(*modep));
+ memset(modep_prime, 0, sizeof(*modep_prime));
}
static void tcpm_set_partner_usb_comm_capable(struct tcpm_port *port, bool capable)
--
GitLab
From 7e7877c55eb1e4dbf1ce11e40af9e1d6b2c83e5b Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Mon, 8 Jan 2024 19:16:24 +0000
Subject: [PATCH 0162/2686] usb: typec: tcpm: add alt mode enter/exit/vdm
support for sop'
Add tcpm_cable_ops for enter, exit, and vdm to the tcpm, which are
registered after registering port alt modes through
typec_port_register_cable_ops. Enter Mode on SOP' now sends Exit Mode upon
failure to report to the driver.
tcpm_queue_vdm_unlocked now takes sop type as input. Proper adev_actions
in tcpm_pd_svdm are selected for SOP' messages.
Signed-off-by: RD Babiera <rdbabiera@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240108191620.987785-25-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpm.c | 126 ++++++++++++++++++++++++++++------
1 file changed, 106 insertions(+), 20 deletions(-)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index d16edf1128581..86d9962961c2d 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -1556,7 +1556,7 @@ static void tcpm_queue_vdm(struct tcpm_port *port, const u32 header,
}
static void tcpm_queue_vdm_unlocked(struct tcpm_port *port, const u32 header,
- const u32 *data, int cnt)
+ const u32 *data, int cnt, enum tcpm_transmit_type tx_sop_type)
{
mutex_lock(&port->lock);
tcpm_queue_vdm(port, header, data, cnt, TCPC_TX_SOP);
@@ -2144,14 +2144,28 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
}
break;
case CMD_ENTER_MODE:
- if (adev && pdev)
- *adev_action = ADEV_QUEUE_VDM_SEND_EXIT_MODE_ON_FAIL;
+ *response_tx_sop_type = rx_sop_type;
+ if (rx_sop_type == TCPC_TX_SOP) {
+ if (adev && pdev) {
+ typec_altmode_update_active(pdev, true);
+ *adev_action = ADEV_QUEUE_VDM_SEND_EXIT_MODE_ON_FAIL;
+ }
+ } else if (rx_sop_type == TCPC_TX_SOP_PRIME) {
+ if (adev && pdev_prime) {
+ typec_altmode_update_active(pdev_prime, true);
+ *adev_action = ADEV_QUEUE_VDM_SEND_EXIT_MODE_ON_FAIL;
+ }
+ }
return 0;
case CMD_EXIT_MODE:
- if (adev && pdev) {
- /* Back to USB Operation */
- *adev_action = ADEV_NOTIFY_USB_AND_QUEUE_VDM;
- return 0;
+ *response_tx_sop_type = rx_sop_type;
+ if (rx_sop_type == TCPC_TX_SOP) {
+ if (adev && pdev) {
+ typec_altmode_update_active(pdev, false);
+ /* Back to USB Operation */
+ *adev_action = ADEV_NOTIFY_USB_AND_QUEUE_VDM;
+ return 0;
+ }
}
break;
case VDO_CMD_VENDOR(0) ... VDO_CMD_VENDOR(15):
@@ -2284,19 +2298,37 @@ static void tcpm_handle_vdm_request(struct tcpm_port *port,
typec_altmode_vdm(adev, p[0], &p[1], cnt);
break;
case ADEV_QUEUE_VDM:
- typec_altmode_vdm(adev, p[0], &p[1], cnt);
+ if (response_tx_sop_type == TCPC_TX_SOP_PRIME)
+ typec_cable_altmode_vdm(adev, TYPEC_PLUG_SOP_P, p[0], &p[1], cnt);
+ else
+ typec_altmode_vdm(adev, p[0], &p[1], cnt);
break;
case ADEV_QUEUE_VDM_SEND_EXIT_MODE_ON_FAIL:
- if (typec_altmode_vdm(adev, p[0], &p[1], cnt)) {
- int svdm_version = typec_get_negotiated_svdm_version(
- port->typec_port);
- if (svdm_version < 0)
- break;
+ if (response_tx_sop_type == TCPC_TX_SOP_PRIME) {
+ if (typec_cable_altmode_vdm(adev, TYPEC_PLUG_SOP_P,
+ p[0], &p[1], cnt)) {
+ int svdm_version = typec_get_cable_svdm_version(
+ port->typec_port);
+ if (svdm_version < 0)
+ break;
- response[0] = VDO(adev->svid, 1, svdm_version,
- CMD_EXIT_MODE);
- response[0] |= VDO_OPOS(adev->mode);
- rlen = 1;
+ response[0] = VDO(adev->svid, 1, svdm_version,
+ CMD_EXIT_MODE);
+ response[0] |= VDO_OPOS(adev->mode);
+ rlen = 1;
+ }
+ } else {
+ if (typec_altmode_vdm(adev, p[0], &p[1], cnt)) {
+ int svdm_version = typec_get_negotiated_svdm_version(
+ port->typec_port);
+ if (svdm_version < 0)
+ break;
+
+ response[0] = VDO(adev->svid, 1, svdm_version,
+ CMD_EXIT_MODE);
+ response[0] |= VDO_OPOS(adev->mode);
+ rlen = 1;
+ }
}
break;
case ADEV_ATTENTION:
@@ -2731,7 +2763,7 @@ static int tcpm_altmode_enter(struct typec_altmode *altmode, u32 *vdo)
header = VDO(altmode->svid, vdo ? 2 : 1, svdm_version, CMD_ENTER_MODE);
header |= VDO_OPOS(altmode->mode);
- tcpm_queue_vdm_unlocked(port, header, vdo, vdo ? 1 : 0);
+ tcpm_queue_vdm_unlocked(port, header, vdo, vdo ? 1 : 0, TCPC_TX_SOP);
return 0;
}
@@ -2748,7 +2780,7 @@ static int tcpm_altmode_exit(struct typec_altmode *altmode)
header = VDO(altmode->svid, 1, svdm_version, CMD_EXIT_MODE);
header |= VDO_OPOS(altmode->mode);
- tcpm_queue_vdm_unlocked(port, header, NULL, 0);
+ tcpm_queue_vdm_unlocked(port, header, NULL, 0, TCPC_TX_SOP);
return 0;
}
@@ -2757,7 +2789,7 @@ static int tcpm_altmode_vdm(struct typec_altmode *altmode,
{
struct tcpm_port *port = typec_altmode_get_drvdata(altmode);
- tcpm_queue_vdm_unlocked(port, header, data, count - 1);
+ tcpm_queue_vdm_unlocked(port, header, data, count - 1, TCPC_TX_SOP);
return 0;
}
@@ -2768,6 +2800,58 @@ static const struct typec_altmode_ops tcpm_altmode_ops = {
.vdm = tcpm_altmode_vdm,
};
+
+static int tcpm_cable_altmode_enter(struct typec_altmode *altmode, enum typec_plug_index sop,
+ u32 *vdo)
+{
+ struct tcpm_port *port = typec_altmode_get_drvdata(altmode);
+ int svdm_version;
+ u32 header;
+
+ svdm_version = typec_get_cable_svdm_version(port->typec_port);
+ if (svdm_version < 0)
+ return svdm_version;
+
+ header = VDO(altmode->svid, vdo ? 2 : 1, svdm_version, CMD_ENTER_MODE);
+ header |= VDO_OPOS(altmode->mode);
+
+ tcpm_queue_vdm_unlocked(port, header, vdo, vdo ? 1 : 0, TCPC_TX_SOP_PRIME);
+ return 0;
+}
+
+static int tcpm_cable_altmode_exit(struct typec_altmode *altmode, enum typec_plug_index sop)
+{
+ struct tcpm_port *port = typec_altmode_get_drvdata(altmode);
+ int svdm_version;
+ u32 header;
+
+ svdm_version = typec_get_cable_svdm_version(port->typec_port);
+ if (svdm_version < 0)
+ return svdm_version;
+
+ header = VDO(altmode->svid, 1, svdm_version, CMD_EXIT_MODE);
+ header |= VDO_OPOS(altmode->mode);
+
+ tcpm_queue_vdm_unlocked(port, header, NULL, 0, TCPC_TX_SOP_PRIME);
+ return 0;
+}
+
+static int tcpm_cable_altmode_vdm(struct typec_altmode *altmode, enum typec_plug_index sop,
+ u32 header, const u32 *data, int count)
+{
+ struct tcpm_port *port = typec_altmode_get_drvdata(altmode);
+
+ tcpm_queue_vdm_unlocked(port, header, data, count - 1, TCPC_TX_SOP_PRIME);
+
+ return 0;
+}
+
+static const struct typec_cable_ops tcpm_cable_ops = {
+ .enter = tcpm_cable_altmode_enter,
+ .exit = tcpm_cable_altmode_exit,
+ .vdm = tcpm_cable_altmode_vdm,
+};
+
/*
* PD (data, control) command handling functions
*/
@@ -7507,6 +7591,8 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
typec_port_register_altmodes(port->typec_port,
&tcpm_altmode_ops, port,
port->port_altmode, ALTMODE_DISCOVERY_MAX);
+ typec_port_register_cable_ops(port->port_altmode, ARRAY_SIZE(port->port_altmode),
+ &tcpm_cable_ops);
port->registered = true;
mutex_lock(&port->lock);
--
GitLab
From 71ba4fe566560d1d4740d8fbce5a71e16f2fc23e Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Mon, 8 Jan 2024 19:16:25 +0000
Subject: [PATCH 0163/2686] usb: typec: altmodes/displayport: add SOP' support
Implement active cable VDM support for SOP' according to the DisplayPort
Alt Mode 2.0 specification.
When probing the DisplayPort driver, the state machine will transition to
Enter Mode on SOP' if an active cable altmode is detected. The SVDM flow
is as followed:
(1) Enter Mode SOP'
(2) Enter Mode SOP
(3) Status Update SOP
(4) Configure SOP'
(5) Configure SOP
Status Update on SOP' after Enter Mode is optional and not implemented for
now. When exiting the alt mode, send Exit Mode over SOP' after SOP.
Should an altmode vdm fail on SOP', the DisplayPort driver will drop its
reference to the plug and attempt to continue in SOP operation.
Add new dp_state enums DP_STATE_ENTER_PRIME, DP_STATE_CONFIGURE_PRIME, and
DP_STATE_EXIT_PRIME. dp_altmode adds typec_displayport_data for the cable
plug to store the plug configuration and adds a typec_altmode reference
for the cable plug.
dp_altmode_configure takes the cable pin assignment capabilities into
account when deciding on pin configuration. dp_altmode_configure_vdm_cable
sends the configure message on SOP'.
dp_altmode_activate now attempts to enter on SOP' if applicable, and will
attempt to enter on SOP on failure.
dp_cable_altmode_vdm handles VDMs passed to the DisplayPort driver from
the tcpm.
Signed-off-by: RD Babiera <rdbabiera@google.com>
Link: https://lore.kernel.org/r/20240108191620.987785-26-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/altmodes/displayport.c | 162 ++++++++++++++++++++++-
1 file changed, 158 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
index f81bec0c7b864..5a80776c72557 100644
--- a/drivers/usb/typec/altmodes/displayport.c
+++ b/drivers/usb/typec/altmodes/displayport.c
@@ -50,13 +50,17 @@ enum {
enum dp_state {
DP_STATE_IDLE,
DP_STATE_ENTER,
+ DP_STATE_ENTER_PRIME,
DP_STATE_UPDATE,
DP_STATE_CONFIGURE,
+ DP_STATE_CONFIGURE_PRIME,
DP_STATE_EXIT,
+ DP_STATE_EXIT_PRIME,
};
struct dp_altmode {
struct typec_displayport_data data;
+ struct typec_displayport_data data_prime;
enum dp_state state;
bool hpd;
@@ -67,6 +71,7 @@ struct dp_altmode {
struct typec_altmode *alt;
const struct typec_altmode *port;
struct fwnode_handle *connector_fwnode;
+ struct typec_altmode *plug_prime;
};
static int dp_altmode_notify(struct dp_altmode *dp)
@@ -99,12 +104,18 @@ static int dp_altmode_configure(struct dp_altmode *dp, u8 con)
conf |= DP_CONF_UFP_U_AS_DFP_D;
pin_assign = DP_CAP_UFP_D_PIN_ASSIGN(dp->alt->vdo) &
DP_CAP_DFP_D_PIN_ASSIGN(dp->port->vdo);
+ /* Account for active cable capabilities */
+ if (dp->plug_prime)
+ pin_assign &= DP_CAP_DFP_D_PIN_ASSIGN(dp->plug_prime->vdo);
break;
case DP_STATUS_CON_UFP_D:
case DP_STATUS_CON_BOTH: /* NOTE: First acting as DP source */
conf |= DP_CONF_UFP_U_AS_UFP_D;
pin_assign = DP_CAP_PIN_ASSIGN_UFP_D(dp->alt->vdo) &
DP_CAP_PIN_ASSIGN_DFP_D(dp->port->vdo);
+ /* Account for active cable capabilities */
+ if (dp->plug_prime)
+ pin_assign &= DP_CAP_UFP_D_PIN_ASSIGN(dp->plug_prime->vdo);
break;
default:
break;
@@ -130,6 +141,8 @@ static int dp_altmode_configure(struct dp_altmode *dp, u8 con)
}
dp->data.conf = conf;
+ if (dp->plug_prime)
+ dp->data_prime.conf = conf;
return 0;
}
@@ -143,7 +156,9 @@ static int dp_altmode_status_update(struct dp_altmode *dp)
if (configured && (dp->data.status & DP_STATUS_SWITCH_TO_USB)) {
dp->data.conf = 0;
- dp->state = DP_STATE_CONFIGURE;
+ dp->data_prime.conf = 0;
+ dp->state = dp->plug_prime ? DP_STATE_CONFIGURE_PRIME :
+ DP_STATE_CONFIGURE;
} else if (dp->data.status & DP_STATUS_EXIT_DP_MODE) {
dp->state = DP_STATE_EXIT;
} else if (!(con & DP_CONF_CURRENTLY(dp->data.conf))) {
@@ -209,6 +224,19 @@ static int dp_altmode_configure_vdm(struct dp_altmode *dp, u32 conf)
return ret;
}
+static int dp_altmode_configure_vdm_cable(struct dp_altmode *dp, u32 conf)
+{
+ int svdm_version = typec_altmode_get_cable_svdm_version(dp->plug_prime);
+ u32 header;
+
+ if (svdm_version < 0)
+ return svdm_version;
+
+ header = DP_HEADER(dp, svdm_version, DP_CMD_CONFIGURE);
+
+ return typec_cable_altmode_vdm(dp->plug_prime, TYPEC_PLUG_SOP_P, header, &conf, 2);
+}
+
static void dp_altmode_work(struct work_struct *work)
{
struct dp_altmode *dp = container_of(work, struct dp_altmode, work);
@@ -225,6 +253,19 @@ static void dp_altmode_work(struct work_struct *work)
if (ret && ret != -EBUSY)
dev_err(&dp->alt->dev, "failed to enter mode\n");
break;
+ case DP_STATE_ENTER_PRIME:
+ ret = typec_cable_altmode_enter(dp->alt, TYPEC_PLUG_SOP_P, NULL);
+ /*
+ * If we fail to enter Alt Mode on SOP', then we should drop the
+ * plug from the driver and attempt to run the driver without
+ * it.
+ */
+ if (ret && ret != -EBUSY) {
+ dev_err(&dp->alt->dev, "plug failed to enter mode\n");
+ dp->state = DP_STATE_ENTER;
+ goto disable_prime;
+ }
+ break;
case DP_STATE_UPDATE:
svdm_version = typec_altmode_get_svdm_version(dp->alt);
if (svdm_version < 0)
@@ -243,10 +284,24 @@ static void dp_altmode_work(struct work_struct *work)
dev_err(&dp->alt->dev,
"unable to send Configure command (%d)\n", ret);
break;
+ case DP_STATE_CONFIGURE_PRIME:
+ ret = dp_altmode_configure_vdm_cable(dp, dp->data_prime.conf);
+ if (ret) {
+ dev_err(&dp->plug_prime->dev,
+ "unable to send Configure command (%d)\n",
+ ret);
+ dp->state = DP_STATE_CONFIGURE;
+ goto disable_prime;
+ }
+ break;
case DP_STATE_EXIT:
if (typec_altmode_exit(dp->alt))
dev_err(&dp->alt->dev, "Exit Mode Failed!\n");
break;
+ case DP_STATE_EXIT_PRIME:
+ if (typec_cable_altmode_exit(dp->plug_prime, TYPEC_PLUG_SOP_P))
+ dev_err(&dp->plug_prime->dev, "Exit Mode Failed!\n");
+ break;
default:
break;
}
@@ -254,6 +309,13 @@ static void dp_altmode_work(struct work_struct *work)
dp->state = DP_STATE_IDLE;
mutex_unlock(&dp->lock);
+ return;
+
+disable_prime:
+ typec_altmode_put_plug(dp->plug_prime);
+ dp->plug_prime = NULL;
+ schedule_work(&dp->work);
+ mutex_unlock(&dp->lock);
}
static void dp_altmode_attention(struct typec_altmode *alt, const u32 vdo)
@@ -314,6 +376,8 @@ static int dp_altmode_vdm(struct typec_altmode *alt,
dp->hpd = false;
sysfs_notify(&dp->alt->dev.kobj, "displayport", "hpd");
}
+ if (dp->plug_prime)
+ dp->state = DP_STATE_EXIT_PRIME;
break;
case DP_CMD_STATUS_UPDATE:
dp->data.status = *vdo;
@@ -348,10 +412,84 @@ static int dp_altmode_vdm(struct typec_altmode *alt,
return ret;
}
+static int dp_cable_altmode_vdm(struct typec_altmode *alt, enum typec_plug_index sop,
+ const u32 hdr, const u32 *vdo, int count)
+{
+ struct dp_altmode *dp = typec_altmode_get_drvdata(alt);
+ int cmd_type = PD_VDO_CMDT(hdr);
+ int cmd = PD_VDO_CMD(hdr);
+ int ret = 0;
+
+ mutex_lock(&dp->lock);
+
+ if (dp->state != DP_STATE_IDLE) {
+ ret = -EBUSY;
+ goto err_unlock;
+ }
+
+ switch (cmd_type) {
+ case CMDT_RSP_ACK:
+ switch (cmd) {
+ case CMD_ENTER_MODE:
+ typec_altmode_update_active(dp->plug_prime, true);
+ dp->state = DP_STATE_ENTER;
+ break;
+ case CMD_EXIT_MODE:
+ dp->data_prime.status = 0;
+ dp->data_prime.conf = 0;
+ typec_altmode_update_active(dp->plug_prime, false);
+ break;
+ case DP_CMD_CONFIGURE:
+ dp->state = DP_STATE_CONFIGURE;
+ break;
+ default:
+ break;
+ }
+ break;
+ case CMDT_RSP_NAK:
+ switch (cmd) {
+ case DP_CMD_CONFIGURE:
+ dp->data_prime.conf = 0;
+ /* Attempt to configure on SOP, drop plug */
+ typec_altmode_put_plug(dp->plug_prime);
+ dp->plug_prime = NULL;
+ dp->state = DP_STATE_CONFIGURE;
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ if (dp->state != DP_STATE_IDLE)
+ schedule_work(&dp->work);
+
+err_unlock:
+ mutex_unlock(&dp->lock);
+ return ret;
+}
+
static int dp_altmode_activate(struct typec_altmode *alt, int activate)
{
- return activate ? typec_altmode_enter(alt, NULL) :
- typec_altmode_exit(alt);
+ struct dp_altmode *dp = typec_altmode_get_drvdata(alt);
+ int ret;
+
+ if (activate) {
+ if (dp->plug_prime) {
+ ret = typec_cable_altmode_enter(alt, TYPEC_PLUG_SOP_P, NULL);
+ if (ret < 0) {
+ typec_altmode_put_plug(dp->plug_prime);
+ dp->plug_prime = NULL;
+ } else {
+ return ret;
+ }
+ }
+ return typec_altmode_enter(alt, NULL);
+ } else {
+ return typec_altmode_exit(alt);
+ }
}
static const struct typec_altmode_ops dp_altmode_ops = {
@@ -360,6 +498,10 @@ static const struct typec_altmode_ops dp_altmode_ops = {
.activate = dp_altmode_activate,
};
+static const struct typec_cable_ops dp_cable_ops = {
+ .vdm = dp_cable_altmode_vdm,
+};
+
static const char * const configurations[] = {
[DP_CONF_USB] = "USB",
[DP_CONF_DFP_D] = "source",
@@ -501,6 +643,7 @@ pin_assignment_store(struct device *dev, struct device_attribute *attr,
/* Only send Configure command if a configuration has been set */
if (dp->alt->active && DP_CONF_CURRENTLY(dp->data.conf)) {
+ /* todo: send manual configure over SOP'*/
ret = dp_altmode_configure_vdm(dp, conf);
if (ret)
goto out_unlock;
@@ -574,6 +717,7 @@ static const struct attribute_group dp_altmode_group = {
int dp_altmode_probe(struct typec_altmode *alt)
{
const struct typec_altmode *port = typec_altmode_get_partner(alt);
+ struct typec_altmode *plug = typec_altmode_get_plug(alt, TYPEC_PLUG_SOP_P);
struct fwnode_handle *fwnode;
struct dp_altmode *dp;
int ret;
@@ -603,6 +747,13 @@ int dp_altmode_probe(struct typec_altmode *alt)
alt->desc = "DisplayPort";
alt->ops = &dp_altmode_ops;
+ if (plug) {
+ plug->desc = "Displayport";
+ plug->cable_ops = &dp_cable_ops;
+ }
+
+ dp->plug_prime = plug;
+
fwnode = dev_fwnode(alt->dev.parent->parent); /* typec_port fwnode */
if (fwnode_property_present(fwnode, "displayport"))
dp->connector_fwnode = fwnode_find_reference(fwnode, "displayport", 0);
@@ -612,8 +763,10 @@ int dp_altmode_probe(struct typec_altmode *alt)
dp->connector_fwnode = NULL;
typec_altmode_set_drvdata(alt, dp);
+ if (plug)
+ typec_altmode_set_drvdata(plug, dp);
- dp->state = DP_STATE_ENTER;
+ dp->state = plug ? DP_STATE_ENTER_PRIME : DP_STATE_ENTER;
schedule_work(&dp->work);
return 0;
@@ -626,6 +779,7 @@ void dp_altmode_remove(struct typec_altmode *alt)
sysfs_remove_group(&alt->dev.kobj, &dp_altmode_group);
cancel_work_sync(&dp->work);
+ typec_altmode_put_plug(dp->plug_prime);
if (dp->connector_fwnode) {
drm_connector_oob_hotplug_event(dp->connector_fwnode,
--
GitLab
From dacf1d7a78bf8a131346c47bfba7fe1f3ff44beb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?=
<nfraprado@collabora.com>
Date: Mon, 22 Jan 2024 15:53:21 -0300
Subject: [PATCH 0164/2686] kselftest: Add test to verify probe of devices from
discoverable buses
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add a new test to verify that a list of expected devices from
discoverable buses (ie USB, PCI) have been successfully instantiated and
probed by a driver.
The per-platform list of expected devices is selected from the ones
under the boards/ directory based on the DT compatible or the DMI IDs.
Signed-off-by: "NÃcolas F. R. A. Prado" <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20240122-discoverable-devs-ksft-v4-1-d602e1df4aa2@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
tools/testing/selftests/Makefile | 1 +
tools/testing/selftests/devices/Makefile | 4 +
tools/testing/selftests/devices/ksft.py | 90 +++++
.../devices/test_discoverable_devices.py | 318 ++++++++++++++++++
4 files changed, 413 insertions(+)
create mode 100644 tools/testing/selftests/devices/Makefile
create mode 100644 tools/testing/selftests/devices/ksft.py
create mode 100755 tools/testing/selftests/devices/test_discoverable_devices.py
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index 15b6a111c3bea..a7858126c7c57 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -13,6 +13,7 @@ TARGETS += core
TARGETS += cpufreq
TARGETS += cpu-hotplug
TARGETS += damon
+TARGETS += devices
TARGETS += dmabuf-heaps
TARGETS += drivers/dma-buf
TARGETS += drivers/s390x/uvdevice
diff --git a/tools/testing/selftests/devices/Makefile b/tools/testing/selftests/devices/Makefile
new file mode 100644
index 0000000000000..ca29249b30c34
--- /dev/null
+++ b/tools/testing/selftests/devices/Makefile
@@ -0,0 +1,4 @@
+TEST_PROGS := test_discoverable_devices.py
+TEST_FILES := boards ksft.py
+
+include ../lib.mk
diff --git a/tools/testing/selftests/devices/ksft.py b/tools/testing/selftests/devices/ksft.py
new file mode 100644
index 0000000000000..cd89fb2bc10e7
--- /dev/null
+++ b/tools/testing/selftests/devices/ksft.py
@@ -0,0 +1,90 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (c) 2023 Collabora Ltd
+#
+# Kselftest helpers for outputting in KTAP format. Based on kselftest.h.
+#
+
+import sys
+
+ksft_cnt = {"pass": 0, "fail": 0, "skip": 0}
+ksft_num_tests = 0
+ksft_test_number = 1
+
+KSFT_PASS = 0
+KSFT_FAIL = 1
+KSFT_SKIP = 4
+
+
+def print_header():
+ print("TAP version 13")
+
+
+def set_plan(num_tests):
+ global ksft_num_tests
+ ksft_num_tests = num_tests
+ print("1..{}".format(num_tests))
+
+
+def print_cnts():
+ print(
+ f"# Totals: pass:{ksft_cnt['pass']} fail:{ksft_cnt['fail']} xfail:0 xpass:0 skip:{ksft_cnt['skip']} error:0"
+ )
+
+
+def print_msg(msg):
+ print(f"# {msg}")
+
+
+def _test_print(result, description, directive=None):
+ if directive:
+ directive_str = f"# {directive}"
+ else:
+ directive_str = ""
+
+ global ksft_test_number
+ print(f"{result} {ksft_test_number} {description} {directive_str}")
+ ksft_test_number += 1
+
+
+def test_result_pass(description):
+ _test_print("ok", description)
+ ksft_cnt["pass"] += 1
+
+
+def test_result_fail(description):
+ _test_print("not ok", description)
+ ksft_cnt["fail"] += 1
+
+
+def test_result_skip(description):
+ _test_print("ok", description, "SKIP")
+ ksft_cnt["skip"] += 1
+
+
+def test_result(condition, description=""):
+ if condition:
+ test_result_pass(description)
+ else:
+ test_result_fail(description)
+
+
+def finished():
+ if ksft_cnt["pass"] == ksft_num_tests:
+ exit_code = KSFT_PASS
+ else:
+ exit_code = KSFT_FAIL
+
+ print_cnts()
+
+ sys.exit(exit_code)
+
+
+def exit_fail():
+ print_cnts()
+ sys.exit(KSFT_FAIL)
+
+
+def exit_pass():
+ print_cnts()
+ sys.exit(KSFT_PASS)
diff --git a/tools/testing/selftests/devices/test_discoverable_devices.py b/tools/testing/selftests/devices/test_discoverable_devices.py
new file mode 100755
index 0000000000000..fbae8deb593d5
--- /dev/null
+++ b/tools/testing/selftests/devices/test_discoverable_devices.py
@@ -0,0 +1,318 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (c) 2023 Collabora Ltd
+#
+# This script tests for presence and driver binding of devices from discoverable
+# buses (ie USB, PCI).
+#
+# The per-platform YAML file defining the devices to be tested is stored inside
+# the boards/ directory and chosen based on DT compatible or DMI IDs (sys_vendor
+# and product_name).
+#
+# See boards/google,spherion.yaml and boards/'Dell Inc.,XPS 13 9300.yaml' for
+# the description and examples of the file structure and vocabulary.
+#
+
+import glob
+import ksft
+import os
+import re
+import sys
+import yaml
+
+pci_controllers = []
+usb_controllers = []
+
+sysfs_usb_devices = "/sys/bus/usb/devices/"
+
+
+def find_pci_controller_dirs():
+ sysfs_devices = "/sys/devices"
+ pci_controller_sysfs_dir = "pci[0-9a-f]{4}:[0-9a-f]{2}"
+
+ dir_regex = re.compile(pci_controller_sysfs_dir)
+ for path, dirs, _ in os.walk(sysfs_devices):
+ for d in dirs:
+ if dir_regex.match(d):
+ pci_controllers.append(os.path.join(path, d))
+
+
+def find_usb_controller_dirs():
+ usb_controller_sysfs_dir = "usb[\d]+"
+
+ dir_regex = re.compile(usb_controller_sysfs_dir)
+ for d in os.scandir(sysfs_usb_devices):
+ if dir_regex.match(d.name):
+ usb_controllers.append(os.path.realpath(d.path))
+
+
+def get_dt_mmio(sysfs_dev_dir):
+ re_dt_mmio = re.compile("OF_FULLNAME=.*@([0-9a-f]+)")
+ dt_mmio = None
+
+ # PCI controllers' sysfs don't have an of_node, so have to read it from the
+ # parent
+ while not dt_mmio:
+ try:
+ with open(os.path.join(sysfs_dev_dir, "uevent")) as f:
+ dt_mmio = re_dt_mmio.search(f.read()).group(1)
+ return dt_mmio
+ except:
+ pass
+ sysfs_dev_dir = os.path.dirname(sysfs_dev_dir)
+
+
+def get_acpi_uid(sysfs_dev_dir):
+ with open(os.path.join(sysfs_dev_dir, "firmware_node", "uid")) as f:
+ return f.read()
+
+
+def get_usb_version(sysfs_dev_dir):
+ re_usb_version = re.compile("PRODUCT=.*/(\d)/.*")
+ with open(os.path.join(sysfs_dev_dir, "uevent")) as f:
+ return int(re_usb_version.search(f.read()).group(1))
+
+
+def get_usb_busnum(sysfs_dev_dir):
+ re_busnum = re.compile("BUSNUM=(.*)")
+ with open(os.path.join(sysfs_dev_dir, "uevent")) as f:
+ return int(re_busnum.search(f.read()).group(1))
+
+
+def find_controller_in_sysfs(controller, parent_sysfs=None):
+ if controller["type"] == "pci-controller":
+ controllers = pci_controllers
+ elif controller["type"] == "usb-controller":
+ controllers = usb_controllers
+
+ result_controllers = []
+
+ for c in controllers:
+ if parent_sysfs and parent_sysfs not in c:
+ continue
+
+ if controller.get("dt-mmio"):
+ if str(controller["dt-mmio"]) != get_dt_mmio(c):
+ continue
+
+ if controller.get("usb-version"):
+ if controller["usb-version"] != get_usb_version(c):
+ continue
+
+ if controller.get("acpi-uid"):
+ if controller["acpi-uid"] != get_acpi_uid(c):
+ continue
+
+ result_controllers.append(c)
+
+ return result_controllers
+
+
+def is_controller(device):
+ return device.get("type") and "controller" in device.get("type")
+
+
+def path_to_dir(parent_sysfs, dev_type, path):
+ if dev_type == "usb-device":
+ usb_dev_sysfs_fmt = "{}-{}"
+ busnum = get_usb_busnum(parent_sysfs)
+ dirname = os.path.join(
+ sysfs_usb_devices, usb_dev_sysfs_fmt.format(busnum, path)
+ )
+ return [os.path.realpath(dirname)]
+ else:
+ pci_dev_sysfs_fmt = "????:??:{}"
+ path_glob = ""
+ for dev_func in path.split("/"):
+ dev_func = dev_func.zfill(4)
+ path_glob = os.path.join(path_glob, pci_dev_sysfs_fmt.format(dev_func))
+
+ dir_list = glob.glob(os.path.join(parent_sysfs, path_glob))
+
+ return dir_list
+
+
+def find_in_sysfs(device, parent_sysfs=None):
+ if parent_sysfs and device.get("path"):
+ pathdirs = path_to_dir(
+ parent_sysfs, device["meta"]["type"], str(device["path"])
+ )
+ if len(pathdirs) != 1:
+ # Early return to report error
+ return pathdirs
+ pathdir = pathdirs[0]
+ sysfs_path = os.path.join(parent_sysfs, pathdir)
+ else:
+ sysfs_path = parent_sysfs
+
+ if is_controller(device):
+ return find_controller_in_sysfs(device, sysfs_path)
+ else:
+ return [sysfs_path]
+
+
+def check_driver_presence(sysfs_dir, current_node):
+ if current_node["meta"]["type"] == "usb-device":
+ usb_intf_fmt = "*-*:*.{}"
+
+ interfaces = []
+ for i in current_node["interfaces"]:
+ interfaces.append((i, usb_intf_fmt.format(i)))
+
+ for intf_num, intf_dir_fmt in interfaces:
+ test_name = f"{current_node['meta']['pathname']}.{intf_num}.driver"
+
+ intf_dirs = glob.glob(os.path.join(sysfs_dir, intf_dir_fmt))
+ if len(intf_dirs) != 1:
+ ksft.test_result_fail(test_name)
+ continue
+ intf_dir = intf_dirs[0]
+
+ driver_link = os.path.join(sysfs_dir, intf_dir, "driver")
+ ksft.test_result(os.path.isdir(driver_link), test_name)
+ else:
+ driver_link = os.path.join(sysfs_dir, "driver")
+ test_name = current_node["meta"]["pathname"] + ".driver"
+ ksft.test_result(os.path.isdir(driver_link), test_name)
+
+
+def generate_pathname(device):
+ pathname = ""
+
+ if device.get("path"):
+ pathname = str(device["path"])
+
+ if device.get("type"):
+ dev_type = device["type"]
+ if device.get("usb-version"):
+ dev_type = dev_type.replace("usb", "usb" + str(device["usb-version"]))
+ if device.get("acpi-uid") is not None:
+ dev_type = dev_type.replace("pci", "pci" + str(device["acpi-uid"]))
+ pathname = pathname + "/" + dev_type
+
+ if device.get("dt-mmio"):
+ pathname += "@" + str(device["dt-mmio"])
+
+ if device.get("name"):
+ pathname = pathname + "/" + device["name"]
+
+ return pathname
+
+
+def fill_meta_keys(child, parent=None):
+ child["meta"] = {}
+
+ if parent:
+ child["meta"]["type"] = parent["type"].replace("controller", "device")
+
+ pathname = generate_pathname(child)
+ if parent:
+ pathname = parent["meta"]["pathname"] + "/" + pathname
+ child["meta"]["pathname"] = pathname
+
+
+def parse_device_tree_node(current_node, parent_sysfs=None):
+ if not parent_sysfs:
+ fill_meta_keys(current_node)
+
+ sysfs_dirs = find_in_sysfs(current_node, parent_sysfs)
+ if len(sysfs_dirs) != 1:
+ if len(sysfs_dirs) == 0:
+ ksft.test_result_fail(
+ f"Couldn't find in sysfs: {current_node['meta']['pathname']}"
+ )
+ else:
+ ksft.test_result_fail(
+ f"Found multiple sysfs entries for {current_node['meta']['pathname']}: {sysfs_dirs}"
+ )
+ return
+ sysfs_dir = sysfs_dirs[0]
+
+ if not is_controller(current_node):
+ ksft.test_result(
+ os.path.exists(sysfs_dir), current_node["meta"]["pathname"] + ".device"
+ )
+ check_driver_presence(sysfs_dir, current_node)
+ else:
+ for child_device in current_node["devices"]:
+ fill_meta_keys(child_device, current_node)
+ parse_device_tree_node(child_device, sysfs_dir)
+
+
+def count_tests(device_trees):
+ test_count = 0
+
+ def parse_node(device):
+ nonlocal test_count
+ if device.get("devices"):
+ for child in device["devices"]:
+ parse_node(child)
+ else:
+ if device.get("interfaces"):
+ test_count += len(device["interfaces"])
+ else:
+ test_count += 1
+ test_count += 1
+
+ for device_tree in device_trees:
+ parse_node(device_tree)
+
+ return test_count
+
+
+def get_board_filenames():
+ filenames = []
+
+ platform_compatible_file = "/proc/device-tree/compatible"
+ if os.path.exists(platform_compatible_file):
+ with open(platform_compatible_file) as f:
+ for line in f:
+ filenames.extend(line.split("\0"))
+ else:
+ dmi_id_dir = "/sys/devices/virtual/dmi/id"
+ vendor_dmi_file = os.path.join(dmi_id_dir, "sys_vendor")
+ product_dmi_file = os.path.join(dmi_id_dir, "product_name")
+
+ with open(vendor_dmi_file) as f:
+ vendor = f.read().replace("\n", "")
+ with open(product_dmi_file) as f:
+ product = f.read().replace("\n", "")
+
+ filenames = [vendor + "," + product]
+
+ return filenames
+
+
+def run_test(yaml_file):
+ ksft.print_msg(f"Using board file: {yaml_file}")
+
+ with open(yaml_file) as f:
+ device_trees = yaml.safe_load(f)
+
+ ksft.set_plan(count_tests(device_trees))
+
+ for device_tree in device_trees:
+ parse_device_tree_node(device_tree)
+
+
+find_pci_controller_dirs()
+find_usb_controller_dirs()
+
+ksft.print_header()
+
+board_file = ""
+for board_filename in get_board_filenames():
+ full_board_filename = os.path.join("boards", board_filename + ".yaml")
+
+ if os.path.exists(full_board_filename):
+ board_file = full_board_filename
+ break
+
+if not board_file:
+ ksft.print_msg("No matching board file found")
+ ksft.exit_fail()
+
+run_test(board_file)
+
+ksft.finished()
--
GitLab
From a1d086db92bdd200f564fe983f6a77aa8caacf77 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?=
<nfraprado@collabora.com>
Date: Mon, 22 Jan 2024 15:53:22 -0300
Subject: [PATCH 0165/2686] kselftest: devices: Add sample board file for
google,spherion
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add a sample board file describing the file's format and with the list
of devices expected to be probed on the google,spherion machine as an
example.
Test output:
TAP version 13
Using board file: boards/google,spherion.yaml
1..8
ok 1 /usb2-controller@11200000/1.4.1/camera.device
ok 2 /usb2-controller@11200000/1.4.1/camera.0.driver
ok 3 /usb2-controller@11200000/1.4.1/camera.1.driver
ok 4 /usb2-controller@11200000/1.4.2/bluetooth.device
ok 5 /usb2-controller@11200000/1.4.2/bluetooth.0.driver
ok 6 /usb2-controller@11200000/1.4.2/bluetooth.1.driver
ok 7 /pci-controller@11230000/0.0/0.0/wifi.device
ok 8 /pci-controller@11230000/0.0/0.0/wifi.driver
Totals: pass:8 fail:0 xfail:0 xpass:0 skip:0 error:0
Signed-off-by: "NÃcolas F. R. A. Prado" <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20240122-discoverable-devs-ksft-v4-2-d602e1df4aa2@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../devices/boards/google,spherion.yaml | 50 +++++++++++++++++++
1 file changed, 50 insertions(+)
create mode 100644 tools/testing/selftests/devices/boards/google,spherion.yaml
diff --git a/tools/testing/selftests/devices/boards/google,spherion.yaml b/tools/testing/selftests/devices/boards/google,spherion.yaml
new file mode 100644
index 0000000000000..17157ecd8c142
--- /dev/null
+++ b/tools/testing/selftests/devices/boards/google,spherion.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# This is the device definition for the Google Spherion Chromebook.
+# The filename "google,spherion" comes from the Devicetree compatible, so this
+# file will be automatically used when the test is run on that machine.
+#
+# The top-level is a list of controllers, either for USB or PCI(e).
+# Every controller needs to have a 'type' key set to either 'usb-controller' or
+# 'pci-controller'.
+# Every controller needs to be uniquely identified on the platform. To achieve
+# this, several optional keys can be used:
+# - dt-mmio: identify the MMIO address of the controller as defined in the
+# Devicetree.
+# - usb-version: for USB controllers to differentiate between USB3 and USB2
+# buses sharing the same controller.
+# - acpi-uid: _UID property of the controller as supplied by the ACPI. Useful to
+# distinguish between multiple PCI host controllers.
+#
+# The 'devices' key defines a list of devices that are accessible under that
+# controller. A device might be a leaf device or another controller (see
+# 'Dell Inc.,XPS 13 9300.yaml').
+#
+# The 'path' key is needed for every child device (that is, not top-level) to
+# define how to reach this device from the parent controller. For USB devices it
+# follows the format \d(.\d)* and denotes the port in the hub at each level in
+# the USB topology. For PCI devices it follows the format \d.\d(/\d.\d)*
+# denoting the device (identified by device-function pair) at each level in the
+# PCI topology.
+#
+# The 'name' key is used in the leaf devices to name the device for clarity in
+# the test output.
+#
+# For USB leaf devices, the 'interfaces' key should contain a list of the
+# interfaces in that device that should be bound to a driver.
+#
+- type: usb-controller
+ dt-mmio: 11200000
+ usb-version: 2
+ devices:
+ - path: 1.4.1
+ interfaces: [0, 1]
+ name: camera
+ - path: 1.4.2
+ interfaces: [0, 1]
+ name: bluetooth
+- type: pci-controller
+ dt-mmio: 11230000
+ devices:
+ - path: 0.0/0.0
+ name: wifi
--
GitLab
From 983d23e2938c1292ab5db02b98f3efe85b5e76c8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?=
<nfraprado@collabora.com>
Date: Mon, 22 Jan 2024 15:53:23 -0300
Subject: [PATCH 0166/2686] kselftest: devices: Add sample board file for XPS
13 9300
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add a sample board file describing the file's format and with the list
of devices expected to be probed on the XPS 13 9300 machine as an
example x86 platform.
Test output:
TAP version 13
Using board file: boards/Dell Inc.,XPS 13 9300.yaml
1..22
ok 1 /pci-controller/14.0/usb2-controller/9/camera.device
ok 2 /pci-controller/14.0/usb2-controller/9/camera.0.driver
ok 3 /pci-controller/14.0/usb2-controller/9/camera.1.driver
ok 4 /pci-controller/14.0/usb2-controller/9/camera.2.driver
ok 5 /pci-controller/14.0/usb2-controller/9/camera.3.driver
ok 6 /pci-controller/14.0/usb2-controller/10/bluetooth.device
ok 7 /pci-controller/14.0/usb2-controller/10/bluetooth.0.driver
ok 8 /pci-controller/14.0/usb2-controller/10/bluetooth.1.driver
ok 9 /pci-controller/2.0/gpu.device
ok 10 /pci-controller/2.0/gpu.driver
ok 11 /pci-controller/4.0/thermal.device
ok 12 /pci-controller/4.0/thermal.driver
ok 13 /pci-controller/12.0/sensors.device
ok 14 /pci-controller/12.0/sensors.driver
ok 15 /pci-controller/14.3/wifi.device
ok 16 /pci-controller/14.3/wifi.driver
ok 17 /pci-controller/1d.0/0.0/ssd.device
ok 18 /pci-controller/1d.0/0.0/ssd.driver
ok 19 /pci-controller/1d.7/0.0/sdcard-reader.device
ok 20 /pci-controller/1d.7/0.0/sdcard-reader.driver
ok 21 /pci-controller/1f.3/audio.device
ok 22 /pci-controller/1f.3/audio.driver
Totals: pass:22 fail:0 xfail:0 xpass:0 skip:0 error:0
Signed-off-by: "NÃcolas F. R. A. Prado" <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20240122-discoverable-devs-ksft-v4-3-d602e1df4aa2@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../devices/boards/Dell Inc.,XPS 13 9300.yaml | 40 +++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 tools/testing/selftests/devices/boards/Dell Inc.,XPS 13 9300.yaml
diff --git a/tools/testing/selftests/devices/boards/Dell Inc.,XPS 13 9300.yaml b/tools/testing/selftests/devices/boards/Dell Inc.,XPS 13 9300.yaml
new file mode 100644
index 0000000000000..ff932eb19f0b1
--- /dev/null
+++ b/tools/testing/selftests/devices/boards/Dell Inc.,XPS 13 9300.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# This is the device definition for the XPS 13 9300.
+# The filename "Dell Inc.,XPS 13 9300" was chosen following the format
+# "Vendor,Product", where Vendor comes from
+# /sys/devices/virtual/dmi/id/sys_vendor, and Product comes from
+# /sys/devices/virtual/dmi/id/product_name.
+#
+# See google,spherion.yaml for more information.
+#
+- type: pci-controller
+ # This machine has a single PCI host controller so it's valid to not have any
+ # key to identify the controller. If it had more than one controller, the UID
+ # of the controller from ACPI could be used to distinguish as follows:
+ #acpi-uid: 0
+ devices:
+ - path: 14.0
+ type: usb-controller
+ usb-version: 2
+ devices:
+ - path: 9
+ name: camera
+ interfaces: [0, 1, 2, 3]
+ - path: 10
+ name: bluetooth
+ interfaces: [0, 1]
+ - path: 2.0
+ name: gpu
+ - path: 4.0
+ name: thermal
+ - path: 12.0
+ name: sensors
+ - path: 14.3
+ name: wifi
+ - path: 1d.0/0.0
+ name: ssd
+ - path: 1d.7/0.0
+ name: sdcard-reader
+ - path: 1f.3
+ name: audio
--
GitLab
From c35ba0ac48355df1d11fcce85945f76c42d250ac Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@nxp.com>
Date: Wed, 24 Jan 2024 10:25:23 -0500
Subject: [PATCH 0167/2686] XHCI: Separate PORT and CAPs macros into dedicated
file
Split the PORT and CAPs macro definitions into a separate file to
facilitate sharing with other files without the need to include the entire
xhci.h.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20240124152525.3910311-2-Frank.Li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-caps.h | 85 ++++++++++++
drivers/usb/host/xhci-port.h | 176 +++++++++++++++++++++++
drivers/usb/host/xhci.h | 262 +----------------------------------
3 files changed, 264 insertions(+), 259 deletions(-)
create mode 100644 drivers/usb/host/xhci-caps.h
create mode 100644 drivers/usb/host/xhci-port.h
diff --git a/drivers/usb/host/xhci-caps.h b/drivers/usb/host/xhci-caps.h
new file mode 100644
index 0000000000000..9e94cebf4a56d
--- /dev/null
+++ b/drivers/usb/host/xhci-caps.h
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/* hc_capbase bitmasks */
+/* bits 7:0 - how long is the Capabilities register */
+#define HC_LENGTH(p) XHCI_HC_LENGTH(p)
+/* bits 31:16 */
+#define HC_VERSION(p) (((p) >> 16) & 0xffff)
+
+/* HCSPARAMS1 - hcs_params1 - bitmasks */
+/* bits 0:7, Max Device Slots */
+#define HCS_MAX_SLOTS(p) (((p) >> 0) & 0xff)
+#define HCS_SLOTS_MASK 0xff
+/* bits 8:18, Max Interrupters */
+#define HCS_MAX_INTRS(p) (((p) >> 8) & 0x7ff)
+/* bits 24:31, Max Ports - max value is 0x7F = 127 ports */
+#define HCS_MAX_PORTS(p) (((p) >> 24) & 0x7f)
+
+/* HCSPARAMS2 - hcs_params2 - bitmasks */
+/* bits 0:3, frames or uframes that SW needs to queue transactions
+ * ahead of the HW to meet periodic deadlines */
+#define HCS_IST(p) (((p) >> 0) & 0xf)
+/* bits 4:7, max number of Event Ring segments */
+#define HCS_ERST_MAX(p) (((p) >> 4) & 0xf)
+/* bits 21:25 Hi 5 bits of Scratchpad buffers SW must allocate for the HW */
+/* bit 26 Scratchpad restore - for save/restore HW state - not used yet */
+/* bits 27:31 Lo 5 bits of Scratchpad buffers SW must allocate for the HW */
+#define HCS_MAX_SCRATCHPAD(p) ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f))
+
+/* HCSPARAMS3 - hcs_params3 - bitmasks */
+/* bits 0:7, Max U1 to U0 latency for the roothub ports */
+#define HCS_U1_LATENCY(p) (((p) >> 0) & 0xff)
+/* bits 16:31, Max U2 to U0 latency for the roothub ports */
+#define HCS_U2_LATENCY(p) (((p) >> 16) & 0xffff)
+
+/* HCCPARAMS - hcc_params - bitmasks */
+/* true: HC can use 64-bit address pointers */
+#define HCC_64BIT_ADDR(p) ((p) & (1 << 0))
+/* true: HC can do bandwidth negotiation */
+#define HCC_BANDWIDTH_NEG(p) ((p) & (1 << 1))
+/* true: HC uses 64-byte Device Context structures
+ * FIXME 64-byte context structures aren't supported yet.
+ */
+#define HCC_64BYTE_CONTEXT(p) ((p) & (1 << 2))
+/* true: HC has port power switches */
+#define HCC_PPC(p) ((p) & (1 << 3))
+/* true: HC has port indicators */
+#define HCS_INDICATOR(p) ((p) & (1 << 4))
+/* true: HC has Light HC Reset Capability */
+#define HCC_LIGHT_RESET(p) ((p) & (1 << 5))
+/* true: HC supports latency tolerance messaging */
+#define HCC_LTC(p) ((p) & (1 << 6))
+/* true: no secondary Stream ID Support */
+#define HCC_NSS(p) ((p) & (1 << 7))
+/* true: HC supports Stopped - Short Packet */
+#define HCC_SPC(p) ((p) & (1 << 9))
+/* true: HC has Contiguous Frame ID Capability */
+#define HCC_CFC(p) ((p) & (1 << 11))
+/* Max size for Primary Stream Arrays - 2^(n+1), where n is bits 12:15 */
+#define HCC_MAX_PSA(p) (1 << ((((p) >> 12) & 0xf) + 1))
+/* Extended Capabilities pointer from PCI base - section 5.3.6 */
+#define HCC_EXT_CAPS(p) XHCI_HCC_EXT_CAPS(p)
+
+#define CTX_SIZE(_hcc) (HCC_64BYTE_CONTEXT(_hcc) ? 64 : 32)
+
+/* db_off bitmask - bits 0:1 reserved */
+#define DBOFF_MASK (~0x3)
+
+/* run_regs_off bitmask - bits 0:4 reserved */
+#define RTSOFF_MASK (~0x1f)
+
+/* HCCPARAMS2 - hcc_params2 - bitmasks */
+/* true: HC supports U3 entry Capability */
+#define HCC2_U3C(p) ((p) & (1 << 0))
+/* true: HC supports Configure endpoint command Max exit latency too large */
+#define HCC2_CMC(p) ((p) & (1 << 1))
+/* true: HC supports Force Save context Capability */
+#define HCC2_FSC(p) ((p) & (1 << 2))
+/* true: HC supports Compliance Transition Capability */
+#define HCC2_CTC(p) ((p) & (1 << 3))
+/* true: HC support Large ESIT payload Capability > 48k */
+#define HCC2_LEC(p) ((p) & (1 << 4))
+/* true: HC support Configuration Information Capability */
+#define HCC2_CIC(p) ((p) & (1 << 5))
+/* true: HC support Extended TBC Capability, Isoc burst count > 65535 */
+#define HCC2_ETC(p) ((p) & (1 << 6))
diff --git a/drivers/usb/host/xhci-port.h b/drivers/usb/host/xhci-port.h
new file mode 100644
index 0000000000000..f19efb966d180
--- /dev/null
+++ b/drivers/usb/host/xhci-port.h
@@ -0,0 +1,176 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/* PORTSC - Port Status and Control Register - port_status_base bitmasks */
+/* true: device connected */
+#define PORT_CONNECT (1 << 0)
+/* true: port enabled */
+#define PORT_PE (1 << 1)
+/* bit 2 reserved and zeroed */
+/* true: port has an over-current condition */
+#define PORT_OC (1 << 3)
+/* true: port reset signaling asserted */
+#define PORT_RESET (1 << 4)
+/* Port Link State - bits 5:8
+ * A read gives the current link PM state of the port,
+ * a write with Link State Write Strobe set sets the link state.
+ */
+#define PORT_PLS_MASK (0xf << 5)
+#define XDEV_U0 (0x0 << 5)
+#define XDEV_U1 (0x1 << 5)
+#define XDEV_U2 (0x2 << 5)
+#define XDEV_U3 (0x3 << 5)
+#define XDEV_DISABLED (0x4 << 5)
+#define XDEV_RXDETECT (0x5 << 5)
+#define XDEV_INACTIVE (0x6 << 5)
+#define XDEV_POLLING (0x7 << 5)
+#define XDEV_RECOVERY (0x8 << 5)
+#define XDEV_HOT_RESET (0x9 << 5)
+#define XDEV_COMP_MODE (0xa << 5)
+#define XDEV_TEST_MODE (0xb << 5)
+#define XDEV_RESUME (0xf << 5)
+
+/* true: port has power (see HCC_PPC) */
+#define PORT_POWER (1 << 9)
+/* bits 10:13 indicate device speed:
+ * 0 - undefined speed - port hasn't be initialized by a reset yet
+ * 1 - full speed
+ * 2 - low speed
+ * 3 - high speed
+ * 4 - super speed
+ * 5-15 reserved
+ */
+#define DEV_SPEED_MASK (0xf << 10)
+#define XDEV_FS (0x1 << 10)
+#define XDEV_LS (0x2 << 10)
+#define XDEV_HS (0x3 << 10)
+#define XDEV_SS (0x4 << 10)
+#define XDEV_SSP (0x5 << 10)
+#define DEV_UNDEFSPEED(p) (((p) & DEV_SPEED_MASK) == (0x0<<10))
+#define DEV_FULLSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_FS)
+#define DEV_LOWSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_LS)
+#define DEV_HIGHSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_HS)
+#define DEV_SUPERSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_SS)
+#define DEV_SUPERSPEEDPLUS(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP)
+#define DEV_SUPERSPEED_ANY(p) (((p) & DEV_SPEED_MASK) >= XDEV_SS)
+#define DEV_PORT_SPEED(p) (((p) >> 10) & 0x0f)
+
+/* Bits 20:23 in the Slot Context are the speed for the device */
+#define SLOT_SPEED_FS (XDEV_FS << 10)
+#define SLOT_SPEED_LS (XDEV_LS << 10)
+#define SLOT_SPEED_HS (XDEV_HS << 10)
+#define SLOT_SPEED_SS (XDEV_SS << 10)
+#define SLOT_SPEED_SSP (XDEV_SSP << 10)
+/* Port Indicator Control */
+#define PORT_LED_OFF (0 << 14)
+#define PORT_LED_AMBER (1 << 14)
+#define PORT_LED_GREEN (2 << 14)
+#define PORT_LED_MASK (3 << 14)
+/* Port Link State Write Strobe - set this when changing link state */
+#define PORT_LINK_STROBE (1 << 16)
+/* true: connect status change */
+#define PORT_CSC (1 << 17)
+/* true: port enable change */
+#define PORT_PEC (1 << 18)
+/* true: warm reset for a USB 3.0 device is done. A "hot" reset puts the port
+ * into an enabled state, and the device into the default state. A "warm" reset
+ * also resets the link, forcing the device through the link training sequence.
+ * SW can also look at the Port Reset register to see when warm reset is done.
+ */
+#define PORT_WRC (1 << 19)
+/* true: over-current change */
+#define PORT_OCC (1 << 20)
+/* true: reset change - 1 to 0 transition of PORT_RESET */
+#define PORT_RC (1 << 21)
+/* port link status change - set on some port link state transitions:
+ * Transition Reason
+ * ------------------------------------------------------------------------------
+ * - U3 to Resume Wakeup signaling from a device
+ * - Resume to Recovery to U0 USB 3.0 device resume
+ * - Resume to U0 USB 2.0 device resume
+ * - U3 to Recovery to U0 Software resume of USB 3.0 device complete
+ * - U3 to U0 Software resume of USB 2.0 device complete
+ * - U2 to U0 L1 resume of USB 2.1 device complete
+ * - U0 to U0 (???) L1 entry rejection by USB 2.1 device
+ * - U0 to disabled L1 entry error with USB 2.1 device
+ * - Any state to inactive Error on USB 3.0 port
+ */
+#define PORT_PLC (1 << 22)
+/* port configure error change - port failed to configure its link partner */
+#define PORT_CEC (1 << 23)
+#define PORT_CHANGE_MASK (PORT_CSC | PORT_PEC | PORT_WRC | PORT_OCC | \
+ PORT_RC | PORT_PLC | PORT_CEC)
+
+
+/* Cold Attach Status - xHC can set this bit to report device attached during
+ * Sx state. Warm port reset should be perfomed to clear this bit and move port
+ * to connected state.
+ */
+#define PORT_CAS (1 << 24)
+/* wake on connect (enable) */
+#define PORT_WKCONN_E (1 << 25)
+/* wake on disconnect (enable) */
+#define PORT_WKDISC_E (1 << 26)
+/* wake on over-current (enable) */
+#define PORT_WKOC_E (1 << 27)
+/* bits 28:29 reserved */
+/* true: device is non-removable - for USB 3.0 roothub emulation */
+#define PORT_DEV_REMOVE (1 << 30)
+/* Initiate a warm port reset - complete when PORT_WRC is '1' */
+#define PORT_WR (1 << 31)
+
+/* We mark duplicate entries with -1 */
+#define DUPLICATE_ENTRY ((u8)(-1))
+
+/* Port Power Management Status and Control - port_power_base bitmasks */
+/* Inactivity timer value for transitions into U1, in microseconds.
+ * Timeout can be up to 127us. 0xFF means an infinite timeout.
+ */
+#define PORT_U1_TIMEOUT(p) ((p) & 0xff)
+#define PORT_U1_TIMEOUT_MASK 0xff
+/* Inactivity timer value for transitions into U2 */
+#define PORT_U2_TIMEOUT(p) (((p) & 0xff) << 8)
+#define PORT_U2_TIMEOUT_MASK (0xff << 8)
+/* Bits 24:31 for port testing */
+
+/* USB2 Protocol PORTSPMSC */
+#define PORT_L1S_MASK 7
+#define PORT_L1S_SUCCESS 1
+#define PORT_RWE (1 << 3)
+#define PORT_HIRD(p) (((p) & 0xf) << 4)
+#define PORT_HIRD_MASK (0xf << 4)
+#define PORT_L1DS_MASK (0xff << 8)
+#define PORT_L1DS(p) (((p) & 0xff) << 8)
+#define PORT_HLE (1 << 16)
+#define PORT_TEST_MODE_SHIFT 28
+
+/* USB3 Protocol PORTLI Port Link Information */
+#define PORT_RX_LANES(p) (((p) >> 16) & 0xf)
+#define PORT_TX_LANES(p) (((p) >> 20) & 0xf)
+
+/* USB2 Protocol PORTHLPMC */
+#define PORT_HIRDM(p)((p) & 3)
+#define PORT_L1_TIMEOUT(p)(((p) & 0xff) << 2)
+#define PORT_BESLD(p)(((p) & 0xf) << 10)
+
+/* use 512 microseconds as USB2 LPM L1 default timeout. */
+#define XHCI_L1_TIMEOUT 512
+
+/* Set default HIRD/BESL value to 4 (350/400us) for USB2 L1 LPM resume latency.
+ * Safe to use with mixed HIRD and BESL systems (host and device) and is used
+ * by other operating systems.
+ *
+ * XHCI 1.0 errata 8/14/12 Table 13 notes:
+ * "Software should choose xHC BESL/BESLD field values that do not violate a
+ * device's resume latency requirements,
+ * e.g. not program values > '4' if BLC = '1' and a HIRD device is attached,
+ * or not program values < '4' if BLC = '0' and a BESL device is attached.
+ */
+#define XHCI_DEFAULT_BESL 4
+
+/*
+ * USB3 specification define a 360ms tPollingLFPSTiemout for USB3 ports
+ * to complete link training. usually link trainig completes much faster
+ * so check status 10 times with 36ms sleep in places we need to wait for
+ * polling to complete.
+ */
+#define XHCI_PORT_POLLING_LFPS_TIME 36
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index a5c72a634e6a9..c6349e7e1e957 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -22,6 +22,9 @@
#include "xhci-ext-caps.h"
#include "pci-quirks.h"
+#include "xhci-port.h"
+#include "xhci-caps.h"
+
/* max buffer size for trace and debug messages */
#define XHCI_MSG_MAX 500
@@ -62,90 +65,6 @@ struct xhci_cap_regs {
/* Reserved up to (CAPLENGTH - 0x1C) */
};
-/* hc_capbase bitmasks */
-/* bits 7:0 - how long is the Capabilities register */
-#define HC_LENGTH(p) XHCI_HC_LENGTH(p)
-/* bits 31:16 */
-#define HC_VERSION(p) (((p) >> 16) & 0xffff)
-
-/* HCSPARAMS1 - hcs_params1 - bitmasks */
-/* bits 0:7, Max Device Slots */
-#define HCS_MAX_SLOTS(p) (((p) >> 0) & 0xff)
-#define HCS_SLOTS_MASK 0xff
-/* bits 8:18, Max Interrupters */
-#define HCS_MAX_INTRS(p) (((p) >> 8) & 0x7ff)
-/* bits 24:31, Max Ports - max value is 0x7F = 127 ports */
-#define HCS_MAX_PORTS(p) (((p) >> 24) & 0x7f)
-
-/* HCSPARAMS2 - hcs_params2 - bitmasks */
-/* bits 0:3, frames or uframes that SW needs to queue transactions
- * ahead of the HW to meet periodic deadlines */
-#define HCS_IST(p) (((p) >> 0) & 0xf)
-/* bits 4:7, max number of Event Ring segments */
-#define HCS_ERST_MAX(p) (((p) >> 4) & 0xf)
-/* bits 21:25 Hi 5 bits of Scratchpad buffers SW must allocate for the HW */
-/* bit 26 Scratchpad restore - for save/restore HW state - not used yet */
-/* bits 27:31 Lo 5 bits of Scratchpad buffers SW must allocate for the HW */
-#define HCS_MAX_SCRATCHPAD(p) ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f))
-
-/* HCSPARAMS3 - hcs_params3 - bitmasks */
-/* bits 0:7, Max U1 to U0 latency for the roothub ports */
-#define HCS_U1_LATENCY(p) (((p) >> 0) & 0xff)
-/* bits 16:31, Max U2 to U0 latency for the roothub ports */
-#define HCS_U2_LATENCY(p) (((p) >> 16) & 0xffff)
-
-/* HCCPARAMS - hcc_params - bitmasks */
-/* true: HC can use 64-bit address pointers */
-#define HCC_64BIT_ADDR(p) ((p) & (1 << 0))
-/* true: HC can do bandwidth negotiation */
-#define HCC_BANDWIDTH_NEG(p) ((p) & (1 << 1))
-/* true: HC uses 64-byte Device Context structures
- * FIXME 64-byte context structures aren't supported yet.
- */
-#define HCC_64BYTE_CONTEXT(p) ((p) & (1 << 2))
-/* true: HC has port power switches */
-#define HCC_PPC(p) ((p) & (1 << 3))
-/* true: HC has port indicators */
-#define HCS_INDICATOR(p) ((p) & (1 << 4))
-/* true: HC has Light HC Reset Capability */
-#define HCC_LIGHT_RESET(p) ((p) & (1 << 5))
-/* true: HC supports latency tolerance messaging */
-#define HCC_LTC(p) ((p) & (1 << 6))
-/* true: no secondary Stream ID Support */
-#define HCC_NSS(p) ((p) & (1 << 7))
-/* true: HC supports Stopped - Short Packet */
-#define HCC_SPC(p) ((p) & (1 << 9))
-/* true: HC has Contiguous Frame ID Capability */
-#define HCC_CFC(p) ((p) & (1 << 11))
-/* Max size for Primary Stream Arrays - 2^(n+1), where n is bits 12:15 */
-#define HCC_MAX_PSA(p) (1 << ((((p) >> 12) & 0xf) + 1))
-/* Extended Capabilities pointer from PCI base - section 5.3.6 */
-#define HCC_EXT_CAPS(p) XHCI_HCC_EXT_CAPS(p)
-
-#define CTX_SIZE(_hcc) (HCC_64BYTE_CONTEXT(_hcc) ? 64 : 32)
-
-/* db_off bitmask - bits 0:1 reserved */
-#define DBOFF_MASK (~0x3)
-
-/* run_regs_off bitmask - bits 0:4 reserved */
-#define RTSOFF_MASK (~0x1f)
-
-/* HCCPARAMS2 - hcc_params2 - bitmasks */
-/* true: HC supports U3 entry Capability */
-#define HCC2_U3C(p) ((p) & (1 << 0))
-/* true: HC supports Configure endpoint command Max exit latency too large */
-#define HCC2_CMC(p) ((p) & (1 << 1))
-/* true: HC supports Force Save context Capability */
-#define HCC2_FSC(p) ((p) & (1 << 2))
-/* true: HC supports Compliance Transition Capability */
-#define HCC2_CTC(p) ((p) & (1 << 3))
-/* true: HC support Large ESIT payload Capability > 48k */
-#define HCC2_LEC(p) ((p) & (1 << 4))
-/* true: HC support Configuration Information Capability */
-#define HCC2_CIC(p) ((p) & (1 << 5))
-/* true: HC support Extended TBC Capability, Isoc burst count > 65535 */
-#define HCC2_ETC(p) ((p) & (1 << 6))
-
/* Number of registers per port */
#define NUM_PORT_REGS 4
@@ -291,181 +210,6 @@ struct xhci_op_regs {
#define CONFIG_CIE (1 << 9)
/* bits 10:31 - reserved and should be preserved */
-/* PORTSC - Port Status and Control Register - port_status_base bitmasks */
-/* true: device connected */
-#define PORT_CONNECT (1 << 0)
-/* true: port enabled */
-#define PORT_PE (1 << 1)
-/* bit 2 reserved and zeroed */
-/* true: port has an over-current condition */
-#define PORT_OC (1 << 3)
-/* true: port reset signaling asserted */
-#define PORT_RESET (1 << 4)
-/* Port Link State - bits 5:8
- * A read gives the current link PM state of the port,
- * a write with Link State Write Strobe set sets the link state.
- */
-#define PORT_PLS_MASK (0xf << 5)
-#define XDEV_U0 (0x0 << 5)
-#define XDEV_U1 (0x1 << 5)
-#define XDEV_U2 (0x2 << 5)
-#define XDEV_U3 (0x3 << 5)
-#define XDEV_DISABLED (0x4 << 5)
-#define XDEV_RXDETECT (0x5 << 5)
-#define XDEV_INACTIVE (0x6 << 5)
-#define XDEV_POLLING (0x7 << 5)
-#define XDEV_RECOVERY (0x8 << 5)
-#define XDEV_HOT_RESET (0x9 << 5)
-#define XDEV_COMP_MODE (0xa << 5)
-#define XDEV_TEST_MODE (0xb << 5)
-#define XDEV_RESUME (0xf << 5)
-
-/* true: port has power (see HCC_PPC) */
-#define PORT_POWER (1 << 9)
-/* bits 10:13 indicate device speed:
- * 0 - undefined speed - port hasn't be initialized by a reset yet
- * 1 - full speed
- * 2 - low speed
- * 3 - high speed
- * 4 - super speed
- * 5-15 reserved
- */
-#define DEV_SPEED_MASK (0xf << 10)
-#define XDEV_FS (0x1 << 10)
-#define XDEV_LS (0x2 << 10)
-#define XDEV_HS (0x3 << 10)
-#define XDEV_SS (0x4 << 10)
-#define XDEV_SSP (0x5 << 10)
-#define DEV_UNDEFSPEED(p) (((p) & DEV_SPEED_MASK) == (0x0<<10))
-#define DEV_FULLSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_FS)
-#define DEV_LOWSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_LS)
-#define DEV_HIGHSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_HS)
-#define DEV_SUPERSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_SS)
-#define DEV_SUPERSPEEDPLUS(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP)
-#define DEV_SUPERSPEED_ANY(p) (((p) & DEV_SPEED_MASK) >= XDEV_SS)
-#define DEV_PORT_SPEED(p) (((p) >> 10) & 0x0f)
-
-/* Bits 20:23 in the Slot Context are the speed for the device */
-#define SLOT_SPEED_FS (XDEV_FS << 10)
-#define SLOT_SPEED_LS (XDEV_LS << 10)
-#define SLOT_SPEED_HS (XDEV_HS << 10)
-#define SLOT_SPEED_SS (XDEV_SS << 10)
-#define SLOT_SPEED_SSP (XDEV_SSP << 10)
-/* Port Indicator Control */
-#define PORT_LED_OFF (0 << 14)
-#define PORT_LED_AMBER (1 << 14)
-#define PORT_LED_GREEN (2 << 14)
-#define PORT_LED_MASK (3 << 14)
-/* Port Link State Write Strobe - set this when changing link state */
-#define PORT_LINK_STROBE (1 << 16)
-/* true: connect status change */
-#define PORT_CSC (1 << 17)
-/* true: port enable change */
-#define PORT_PEC (1 << 18)
-/* true: warm reset for a USB 3.0 device is done. A "hot" reset puts the port
- * into an enabled state, and the device into the default state. A "warm" reset
- * also resets the link, forcing the device through the link training sequence.
- * SW can also look at the Port Reset register to see when warm reset is done.
- */
-#define PORT_WRC (1 << 19)
-/* true: over-current change */
-#define PORT_OCC (1 << 20)
-/* true: reset change - 1 to 0 transition of PORT_RESET */
-#define PORT_RC (1 << 21)
-/* port link status change - set on some port link state transitions:
- * Transition Reason
- * ------------------------------------------------------------------------------
- * - U3 to Resume Wakeup signaling from a device
- * - Resume to Recovery to U0 USB 3.0 device resume
- * - Resume to U0 USB 2.0 device resume
- * - U3 to Recovery to U0 Software resume of USB 3.0 device complete
- * - U3 to U0 Software resume of USB 2.0 device complete
- * - U2 to U0 L1 resume of USB 2.1 device complete
- * - U0 to U0 (???) L1 entry rejection by USB 2.1 device
- * - U0 to disabled L1 entry error with USB 2.1 device
- * - Any state to inactive Error on USB 3.0 port
- */
-#define PORT_PLC (1 << 22)
-/* port configure error change - port failed to configure its link partner */
-#define PORT_CEC (1 << 23)
-#define PORT_CHANGE_MASK (PORT_CSC | PORT_PEC | PORT_WRC | PORT_OCC | \
- PORT_RC | PORT_PLC | PORT_CEC)
-
-
-/* Cold Attach Status - xHC can set this bit to report device attached during
- * Sx state. Warm port reset should be perfomed to clear this bit and move port
- * to connected state.
- */
-#define PORT_CAS (1 << 24)
-/* wake on connect (enable) */
-#define PORT_WKCONN_E (1 << 25)
-/* wake on disconnect (enable) */
-#define PORT_WKDISC_E (1 << 26)
-/* wake on over-current (enable) */
-#define PORT_WKOC_E (1 << 27)
-/* bits 28:29 reserved */
-/* true: device is non-removable - for USB 3.0 roothub emulation */
-#define PORT_DEV_REMOVE (1 << 30)
-/* Initiate a warm port reset - complete when PORT_WRC is '1' */
-#define PORT_WR (1 << 31)
-
-/* We mark duplicate entries with -1 */
-#define DUPLICATE_ENTRY ((u8)(-1))
-
-/* Port Power Management Status and Control - port_power_base bitmasks */
-/* Inactivity timer value for transitions into U1, in microseconds.
- * Timeout can be up to 127us. 0xFF means an infinite timeout.
- */
-#define PORT_U1_TIMEOUT(p) ((p) & 0xff)
-#define PORT_U1_TIMEOUT_MASK 0xff
-/* Inactivity timer value for transitions into U2 */
-#define PORT_U2_TIMEOUT(p) (((p) & 0xff) << 8)
-#define PORT_U2_TIMEOUT_MASK (0xff << 8)
-/* Bits 24:31 for port testing */
-
-/* USB2 Protocol PORTSPMSC */
-#define PORT_L1S_MASK 7
-#define PORT_L1S_SUCCESS 1
-#define PORT_RWE (1 << 3)
-#define PORT_HIRD(p) (((p) & 0xf) << 4)
-#define PORT_HIRD_MASK (0xf << 4)
-#define PORT_L1DS_MASK (0xff << 8)
-#define PORT_L1DS(p) (((p) & 0xff) << 8)
-#define PORT_HLE (1 << 16)
-#define PORT_TEST_MODE_SHIFT 28
-
-/* USB3 Protocol PORTLI Port Link Information */
-#define PORT_RX_LANES(p) (((p) >> 16) & 0xf)
-#define PORT_TX_LANES(p) (((p) >> 20) & 0xf)
-
-/* USB2 Protocol PORTHLPMC */
-#define PORT_HIRDM(p)((p) & 3)
-#define PORT_L1_TIMEOUT(p)(((p) & 0xff) << 2)
-#define PORT_BESLD(p)(((p) & 0xf) << 10)
-
-/* use 512 microseconds as USB2 LPM L1 default timeout. */
-#define XHCI_L1_TIMEOUT 512
-
-/* Set default HIRD/BESL value to 4 (350/400us) for USB2 L1 LPM resume latency.
- * Safe to use with mixed HIRD and BESL systems (host and device) and is used
- * by other operating systems.
- *
- * XHCI 1.0 errata 8/14/12 Table 13 notes:
- * "Software should choose xHC BESL/BESLD field values that do not violate a
- * device's resume latency requirements,
- * e.g. not program values > '4' if BLC = '1' and a HIRD device is attached,
- * or not program values < '4' if BLC = '0' and a BESL device is attached.
- */
-#define XHCI_DEFAULT_BESL 4
-
-/*
- * USB3 specification define a 360ms tPollingLFPSTiemout for USB3 ports
- * to complete link training. usually link trainig completes much faster
- * so check status 10 times with 36ms sleep in places we need to wait for
- * polling to complete.
- */
-#define XHCI_PORT_POLLING_LFPS_TIME 36
-
/**
* struct xhci_intr_reg - Interrupt Register Set
* @irq_pending: IMAN - Interrupt Management Register. Used to enable
--
GitLab
From bc83a87759cabbf6f3366568e44bda088b315204 Mon Sep 17 00:00:00 2001
From: Ran Wang <ran.wang_1@nxp.com>
Date: Wed, 24 Jan 2024 10:25:24 -0500
Subject: [PATCH 0168/2686] dt-bindings: usb: dwc3: Add
snps,host-vbus-glitches-quirk avoid vbus glitch
When DWC3 is set to host mode by programming register DWC3_GCTL, VBUS
(or its control signal) will turn on immediately on related Root Hub
ports. Then the VBUS will be de-asserted for a little while during xhci
reset (conducted by xhci driver) for a little while and back to normal.
This VBUS glitch might cause some USB devices emuration fail if kernel
boot with them connected. One SW workaround which can fix this is to
program all PORTSC[PP] to 0 to turn off VBUS immediately after setting
host mode in DWC3 driver(per signal measurement result, it will be too
late to do it in xhci-plat.c or xhci.c).
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20240124152525.3910311-3-Frank.Li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
index 203a1eb66691f..8f5d250070c78 100644
--- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
@@ -273,6 +273,13 @@ properties:
with an external supply.
type: boolean
+ snps,host-vbus-glitches-quirk:
+ description:
+ When set, power off all Root Hub ports immediately after
+ setting host mode to avoid vbus (negative) glitch happen in later
+ xhci reset. And the vbus will back to 5V automatically when reset done.
+ type: boolean
+
snps,is-utmi-l1-suspend:
description:
True when DWC3 asserts output signal utmi_l1_suspend_n, false when
--
GitLab
From 2d2a3349521de1757b685b664af849b0824c205d Mon Sep 17 00:00:00 2001
From: Ran Wang <ran.wang_1@nxp.com>
Date: Wed, 24 Jan 2024 10:25:25 -0500
Subject: [PATCH 0169/2686] usb: dwc3: Add workaround for host mode VBUS glitch
when boot
When DWC3 is set to host mode by programming register DWC3_GCTL, VBUS
(or its control signal) will be turned on immediately on related Root Hub
ports. Then, the VBUS is turned off for a little while(15us) when do xhci
reset (conducted by xhci driver) and back to normal finally, we can
observe a negative glitch of related signal happen.
This VBUS glitch might cause some USB devices enumeration fail if kernel
boot with them connected. Such as LS1012AFWRY/LS1043ARDB/LX2160AQDS
/LS1088ARDB with Kingston 16GB USB2.0/Kingston USB3.0/JetFlash Transcend
4GB USB2.0 drives. The fail cases include enumerated as full-speed device
or report wrong device descriptor, etc.
One SW workaround which can fix this is by programing all xhci PORTSC[PP]
to 0 to turn off VBUS immediately after setting host mode in DWC3 driver
(per signal measurement result, it will be too late to do it in
xhci-plat.c or xhci.c). Then, after xhci reset complete in xhci driver,
PORTSC[PP]s' value will back to 1 automatically and VBUS on at that time,
no glitch happen and normal enumeration process has no impact.
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20240124152525.3910311-4-Frank.Li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/core.c | 3 +++
drivers/usb/dwc3/core.h | 2 ++
drivers/usb/dwc3/host.c | 51 +++++++++++++++++++++++++++++++++++++++++
3 files changed, 56 insertions(+)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 3e55838c00014..3b68e8e45b8b9 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1626,6 +1626,9 @@ static void dwc3_get_properties(struct dwc3 *dwc)
dwc->dis_split_quirk = device_property_read_bool(dev,
"snps,dis-split-quirk");
+ dwc->host_vbus_glitches_quirk = device_property_read_bool(dev,
+ "snps,host-vbus-glitches-quirk");
+
dwc->lpm_nyet_threshold = lpm_nyet_threshold;
dwc->tx_de_emphasis = tx_de_emphasis;
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index e3eea965e57bf..df544ec730d22 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -1132,6 +1132,7 @@ struct dwc3_scratchpad_array {
* 2 - No de-emphasis
* 3 - Reserved
* @dis_metastability_quirk: set to disable metastability quirk.
+ * @host_vbus_glitches_quirk: set to avoid vbus glitch during xhci reset.
* @dis_split_quirk: set to disable split boundary.
* @wakeup_configured: set if the device is configured for remote wakeup.
* @suspended: set to track suspend event due to U3/L2.
@@ -1353,6 +1354,7 @@ struct dwc3 {
unsigned tx_de_emphasis:2;
unsigned dis_metastability_quirk:1;
+ unsigned host_vbus_glitches_quirk:1;
unsigned dis_split_quirk:1;
unsigned async_callbacks:1;
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index 61f57fe5bb783..4957b9765dc56 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -11,8 +11,52 @@
#include <linux/of.h>
#include <linux/platform_device.h>
+#include "../host/xhci-port.h"
+#include "../host/xhci-ext-caps.h"
+#include "../host/xhci-caps.h"
#include "core.h"
+#define XHCI_HCSPARAMS1 0x4
+#define XHCI_PORTSC_BASE 0x400
+
+/**
+ * dwc3_power_off_all_roothub_ports - Power off all Root hub ports
+ * @dwc: Pointer to our controller context structure
+ */
+static void dwc3_power_off_all_roothub_ports(struct dwc3 *dwc)
+{
+ void __iomem *xhci_regs;
+ u32 op_regs_base;
+ int port_num;
+ u32 offset;
+ u32 reg;
+ int i;
+
+ /* xhci regs is not mapped yet, do it temperary here */
+ if (dwc->xhci_resources[0].start) {
+ xhci_regs = ioremap(dwc->xhci_resources[0].start, DWC3_XHCI_REGS_END);
+ if (IS_ERR(xhci_regs)) {
+ dev_err(dwc->dev, "Failed to ioremap xhci_regs\n");
+ return;
+ }
+
+ op_regs_base = HC_LENGTH(readl(xhci_regs));
+ reg = readl(xhci_regs + XHCI_HCSPARAMS1);
+ port_num = HCS_MAX_PORTS(reg);
+
+ for (i = 1; i <= port_num; i++) {
+ offset = op_regs_base + XHCI_PORTSC_BASE + 0x10 * (i - 1);
+ reg = readl(xhci_regs + offset);
+ reg &= ~PORT_POWER;
+ writel(reg, xhci_regs + offset);
+ }
+
+ iounmap(xhci_regs);
+ } else {
+ dev_err(dwc->dev, "xhci base reg invalid\n");
+ }
+}
+
static void dwc3_host_fill_xhci_irq_res(struct dwc3 *dwc,
int irq, char *name)
{
@@ -66,6 +110,13 @@ int dwc3_host_init(struct dwc3 *dwc)
int ret, irq;
int prop_idx = 0;
+ /*
+ * Some platforms need to power off all Root hub ports immediately after DWC3 set to host
+ * mode to avoid VBUS glitch happen when xhci get reset later.
+ */
+ if (dwc->host_vbus_glitches_quirk)
+ dwc3_power_off_all_roothub_ports(dwc);
+
irq = dwc3_host_get_irq(dwc);
if (irq < 0)
return irq;
--
GitLab
From 43a029724d1c8219cc4e58e9fafbeedd1bc283fa Mon Sep 17 00:00:00 2001
From: Peter Korsgaard <peter@korsgaard.com>
Date: Fri, 26 Jan 2024 21:32:08 +0100
Subject: [PATCH 0170/2686] usb: gadget: f_fs: expose ready state in configfs
When a USB gadget is configured through configfs with 1 or more f_fs
functions, then the logic setting up the gadget configuration has to wait
until the user space code (typically separate applications) responsible for
those functions have written their descriptors before the gadget can be
activated.
The f_fs instance already knows if this has been done, so expose it through
a "ready" attribute in configfs for easier synchronization.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Link: https://lore.kernel.org/r/20240126203208.2482573-1-peter@korsgaard.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../ABI/testing/configfs-usb-gadget-ffs | 12 +++++++++--
Documentation/usb/gadget-testing.rst | 8 ++++++++
drivers/usb/gadget/function/f_fs.c | 20 +++++++++++++++++++
3 files changed, 38 insertions(+), 2 deletions(-)
diff --git a/Documentation/ABI/testing/configfs-usb-gadget-ffs b/Documentation/ABI/testing/configfs-usb-gadget-ffs
index e39b27653c65c..bf8936ff6d38c 100644
--- a/Documentation/ABI/testing/configfs-usb-gadget-ffs
+++ b/Documentation/ABI/testing/configfs-usb-gadget-ffs
@@ -4,6 +4,14 @@ KernelVersion: 3.13
Description: The purpose of this directory is to create and remove it.
A corresponding USB function instance is created/removed.
- There are no attributes here.
- All parameters are set through FunctionFS.
+ All attributes are read only:
+
+ ============= ============================================
+ ready 1 if the function is ready to be used, E.G.
+ if userspace has written descriptors and
+ strings to ep0, so the gadget can be
+ enabled - 0 otherwise.
+ ============= ============================================
+
+ All other parameters are set through FunctionFS.
diff --git a/Documentation/usb/gadget-testing.rst b/Documentation/usb/gadget-testing.rst
index 8cd62c466d20a..4ec6b775ebbab 100644
--- a/Documentation/usb/gadget-testing.rst
+++ b/Documentation/usb/gadget-testing.rst
@@ -206,6 +206,14 @@ the standard procedure for using FunctionFS (mount it, run the userspace
process which implements the function proper). The gadget should be enabled
by writing a suitable string to usb_gadget/<gadget>/UDC.
+The FFS function provides just one attribute in its function directory:
+
+ ready
+
+The attribute is read-only and signals if the function is ready (1) to be
+used, E.G. if userspace has written descriptors and strings to ep0, so
+the gadget can be enabled.
+
Testing the FFS function
------------------------
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 6bff6cb937891..be3851cffb73d 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -3445,6 +3445,25 @@ static inline struct f_fs_opts *to_ffs_opts(struct config_item *item)
func_inst.group);
}
+static ssize_t f_fs_opts_ready_show(struct config_item *item, char *page)
+{
+ struct f_fs_opts *opts = to_ffs_opts(item);
+ int ready;
+
+ ffs_dev_lock();
+ ready = opts->dev->desc_ready;
+ ffs_dev_unlock();
+
+ return sprintf(page, "%d\n", ready);
+}
+
+CONFIGFS_ATTR_RO(f_fs_opts_, ready);
+
+static struct configfs_attribute *ffs_attrs[] = {
+ &f_fs_opts_attr_ready,
+ NULL,
+};
+
static void ffs_attr_release(struct config_item *item)
{
struct f_fs_opts *opts = to_ffs_opts(item);
@@ -3458,6 +3477,7 @@ static struct configfs_item_operations ffs_item_ops = {
static const struct config_item_type ffs_func_type = {
.ct_item_ops = &ffs_item_ops,
+ .ct_attrs = ffs_attrs,
.ct_owner = THIS_MODULE,
};
--
GitLab
From 65145a03d65be80d389bf24c1874c634527de849 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Sat, 13 Jan 2024 22:55:49 +0200
Subject: [PATCH 0171/2686] usb: typec: qcom-pmic-typec: fix arguments of
qcom_pmic_typec_pdphy_set_roles
The function qcom_pmic_typec_set_roles() passes enum values as boolean
values to qcom_pmic_typec_pdphy_set_roles(), which then interprets them
as bit values. Be more explicit about it, pass enum values directly and
compute corresponding bit masks in qcom_pmic_typec_pdphy_set_roles().
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20240113-pmi632-typec-v2-6-182d9aa0a5b3@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c | 2 +-
drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c | 8 +++++---
drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h | 3 ++-
3 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
index 1a2b4bddaa97e..a243648abb4a5 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
@@ -123,7 +123,7 @@ static int qcom_pmic_typec_set_roles(struct tcpc_dev *tcpc, bool attached,
struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
return qcom_pmic_typec_pdphy_set_roles(tcpm->pmic_typec_pdphy,
- data_role, power_role);
+ power_role, data_role);
}
static int qcom_pmic_typec_set_pd_rx(struct tcpc_dev *tcpc, bool on)
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c
index a3154085ae32e..e977f98b7d61b 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c
@@ -354,7 +354,8 @@ int qcom_pmic_typec_pdphy_set_pd_rx(struct pmic_typec_pdphy *pmic_typec_pdphy, b
}
int qcom_pmic_typec_pdphy_set_roles(struct pmic_typec_pdphy *pmic_typec_pdphy,
- bool data_role_host, bool power_role_src)
+ enum typec_role power_role,
+ enum typec_data_role data_role)
{
struct device *dev = pmic_typec_pdphy->dev;
unsigned long flags;
@@ -366,12 +367,13 @@ int qcom_pmic_typec_pdphy_set_roles(struct pmic_typec_pdphy *pmic_typec_pdphy,
pmic_typec_pdphy->base + USB_PDPHY_MSG_CONFIG_REG,
MSG_CONFIG_PORT_DATA_ROLE |
MSG_CONFIG_PORT_POWER_ROLE,
- data_role_host << 3 | power_role_src << 2);
+ (data_role == TYPEC_HOST ? MSG_CONFIG_PORT_DATA_ROLE : 0) |
+ (power_role == TYPEC_SOURCE ? MSG_CONFIG_PORT_POWER_ROLE : 0));
spin_unlock_irqrestore(&pmic_typec_pdphy->lock, flags);
dev_dbg(dev, "pdphy_set_roles: data_role_host=%d power_role_src=%d\n",
- data_role_host, power_role_src);
+ data_role, power_role);
return ret;
}
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h
index e67954e31b149..070822dc6f177 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h
@@ -107,7 +107,8 @@ int qcom_pmic_typec_pdphy_start(struct pmic_typec_pdphy *pmic_typec_pdphy,
void qcom_pmic_typec_pdphy_stop(struct pmic_typec_pdphy *pmic_typec_pdphy);
int qcom_pmic_typec_pdphy_set_roles(struct pmic_typec_pdphy *pmic_typec_pdphy,
- bool power_role_src, bool data_role_host);
+ enum typec_role power_role,
+ enum typec_data_role data_role);
int qcom_pmic_typec_pdphy_set_pd_rx(struct pmic_typec_pdphy *pmic_typec_pdphy, bool on);
--
GitLab
From d2f9b93de0fe71b5040be391afd3d065ab113fb7 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Sat, 13 Jan 2024 22:55:50 +0200
Subject: [PATCH 0172/2686] usb: typec: qcom-pmic-typec: allow different
implementations for the PD PHY
Rework Qualcomm PMIC TCPM driver to allow different platform-specific
implementations of the PD PHY interface. While majority of platforms
has the same of register for the PD PHY, some obscure ones (PMI632) do
not have real PD PHY support. Add proper interface between the main
module and the PD PHY backend to allow switching the PD PHY
implementation.
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Acked-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240113-pmi632-typec-v2-7-182d9aa0a5b3@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c | 91 +----------
drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.h | 25 +++
.../typec/tcpm/qcom/qcom_pmic_typec_pdphy.c | 153 +++++++++++++++---
.../typec/tcpm/qcom/qcom_pmic_typec_pdphy.h | 93 +----------
.../typec/tcpm/qcom/qcom_pmic_typec_port.h | 4 +-
5 files changed, 171 insertions(+), 195 deletions(-)
create mode 100644 drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.h
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
index a243648abb4a5..4c7c38c58a026 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
@@ -20,26 +20,15 @@
#include <drm/bridge/aux-bridge.h>
+#include "qcom_pmic_typec.h"
#include "qcom_pmic_typec_pdphy.h"
#include "qcom_pmic_typec_port.h"
struct pmic_typec_resources {
- struct pmic_typec_pdphy_resources *pdphy_res;
+ const struct pmic_typec_pdphy_resources *pdphy_res;
struct pmic_typec_port_resources *port_res;
};
-struct pmic_typec {
- struct device *dev;
- struct tcpm_port *tcpm_port;
- struct tcpc_dev tcpc;
- struct pmic_typec_pdphy *pmic_typec_pdphy;
- struct pmic_typec_port *pmic_typec_port;
- bool vbus_enabled;
- struct mutex lock; /* VBUS state serialization */
-};
-
-#define tcpc_to_tcpm(_tcpc_) container_of(_tcpc_, struct pmic_typec, tcpc)
-
static int qcom_pmic_typec_get_vbus(struct tcpc_dev *tcpc)
{
struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
@@ -116,34 +105,6 @@ static int qcom_pmic_typec_start_toggling(struct tcpc_dev *tcpc,
port_type, cc);
}
-static int qcom_pmic_typec_set_roles(struct tcpc_dev *tcpc, bool attached,
- enum typec_role power_role,
- enum typec_data_role data_role)
-{
- struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
-
- return qcom_pmic_typec_pdphy_set_roles(tcpm->pmic_typec_pdphy,
- power_role, data_role);
-}
-
-static int qcom_pmic_typec_set_pd_rx(struct tcpc_dev *tcpc, bool on)
-{
- struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
-
- return qcom_pmic_typec_pdphy_set_pd_rx(tcpm->pmic_typec_pdphy, on);
-}
-
-static int qcom_pmic_typec_pd_transmit(struct tcpc_dev *tcpc,
- enum tcpm_transmit_type type,
- const struct pd_message *msg,
- unsigned int negotiated_rev)
-{
- struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
-
- return qcom_pmic_typec_pdphy_pd_transmit(tcpm->pmic_typec_pdphy, type,
- msg, negotiated_rev);
-}
-
static int qcom_pmic_typec_init(struct tcpc_dev *tcpc)
{
return 0;
@@ -177,9 +138,6 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
tcpm->tcpc.set_polarity = qcom_pmic_typec_set_polarity;
tcpm->tcpc.set_vconn = qcom_pmic_typec_set_vconn;
tcpm->tcpc.start_toggling = qcom_pmic_typec_start_toggling;
- tcpm->tcpc.set_pd_rx = qcom_pmic_typec_set_pd_rx;
- tcpm->tcpc.set_roles = qcom_pmic_typec_set_roles;
- tcpm->tcpc.pd_transmit = qcom_pmic_typec_pd_transmit;
regmap = dev_get_regmap(dev->parent, NULL);
if (!regmap) {
@@ -195,16 +153,12 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
if (IS_ERR(tcpm->pmic_typec_port))
return PTR_ERR(tcpm->pmic_typec_port);
- tcpm->pmic_typec_pdphy = qcom_pmic_typec_pdphy_alloc(dev);
- if (IS_ERR(tcpm->pmic_typec_pdphy))
- return PTR_ERR(tcpm->pmic_typec_pdphy);
-
ret = qcom_pmic_typec_port_probe(pdev, tcpm->pmic_typec_port,
res->port_res, regmap, base[0]);
if (ret)
return ret;
- ret = qcom_pmic_typec_pdphy_probe(pdev, tcpm->pmic_typec_pdphy,
+ ret = qcom_pmic_typec_pdphy_probe(pdev, tcpm,
res->pdphy_res, regmap, base[1]);
if (ret)
return ret;
@@ -231,8 +185,7 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
if (ret)
goto fwnode_remove;
- ret = qcom_pmic_typec_pdphy_start(tcpm->pmic_typec_pdphy,
- tcpm->tcpm_port);
+ ret = tcpm->pdphy_start(tcpm, tcpm->tcpm_port);
if (ret)
goto fwnode_remove;
@@ -248,46 +201,12 @@ static void qcom_pmic_typec_remove(struct platform_device *pdev)
{
struct pmic_typec *tcpm = platform_get_drvdata(pdev);
- qcom_pmic_typec_pdphy_stop(tcpm->pmic_typec_pdphy);
+ tcpm->pdphy_stop(tcpm);
qcom_pmic_typec_port_stop(tcpm->pmic_typec_port);
tcpm_unregister_port(tcpm->tcpm_port);
fwnode_remove_software_node(tcpm->tcpc.fwnode);
}
-static struct pmic_typec_pdphy_resources pm8150b_pdphy_res = {
- .irq_params = {
- {
- .virq = PMIC_PDPHY_SIG_TX_IRQ,
- .irq_name = "sig-tx",
- },
- {
- .virq = PMIC_PDPHY_SIG_RX_IRQ,
- .irq_name = "sig-rx",
- },
- {
- .virq = PMIC_PDPHY_MSG_TX_IRQ,
- .irq_name = "msg-tx",
- },
- {
- .virq = PMIC_PDPHY_MSG_RX_IRQ,
- .irq_name = "msg-rx",
- },
- {
- .virq = PMIC_PDPHY_MSG_TX_FAIL_IRQ,
- .irq_name = "msg-tx-failed",
- },
- {
- .virq = PMIC_PDPHY_MSG_TX_DISCARD_IRQ,
- .irq_name = "msg-tx-discarded",
- },
- {
- .virq = PMIC_PDPHY_MSG_RX_DISCARD_IRQ,
- .irq_name = "msg-rx-discarded",
- },
- },
- .nr_irqs = 7,
-};
-
static struct pmic_typec_port_resources pm8150b_port_res = {
.irq_params = {
{
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.h b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.h
new file mode 100644
index 0000000000000..da035916c12a0
--- /dev/null
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.h
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2023, Linaro Ltd. All rights reserved.
+ */
+
+#ifndef __QCOM_PMIC_TYPEC_H__
+#define __QCOM_PMIC_TYPEC_H__
+
+struct pmic_typec {
+ struct device *dev;
+ struct tcpm_port *tcpm_port;
+ struct tcpc_dev tcpc;
+ struct pmic_typec_pdphy *pmic_typec_pdphy;
+ struct pmic_typec_port *pmic_typec_port;
+ bool vbus_enabled;
+ struct mutex lock; /* VBUS state serialization */
+
+ int (*pdphy_start)(struct pmic_typec *tcpm,
+ struct tcpm_port *tcpm_port);
+ void (*pdphy_stop)(struct pmic_typec *tcpm);
+};
+
+#define tcpc_to_tcpm(_tcpc_) container_of(_tcpc_, struct pmic_typec, tcpc)
+
+#endif
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c
index e977f98b7d61b..6560f4fc98d5a 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c
@@ -14,8 +14,74 @@
#include <linux/slab.h>
#include <linux/usb/pd.h>
#include <linux/usb/tcpm.h>
+#include "qcom_pmic_typec.h"
#include "qcom_pmic_typec_pdphy.h"
+/* PD PHY register offsets and bit fields */
+#define USB_PDPHY_MSG_CONFIG_REG 0x40
+#define MSG_CONFIG_PORT_DATA_ROLE BIT(3)
+#define MSG_CONFIG_PORT_POWER_ROLE BIT(2)
+#define MSG_CONFIG_SPEC_REV_MASK (BIT(1) | BIT(0))
+
+#define USB_PDPHY_EN_CONTROL_REG 0x46
+#define CONTROL_ENABLE BIT(0)
+
+#define USB_PDPHY_RX_STATUS_REG 0x4A
+#define RX_FRAME_TYPE (BIT(0) | BIT(1) | BIT(2))
+
+#define USB_PDPHY_FRAME_FILTER_REG 0x4C
+#define FRAME_FILTER_EN_HARD_RESET BIT(5)
+#define FRAME_FILTER_EN_SOP BIT(0)
+
+#define USB_PDPHY_TX_SIZE_REG 0x42
+#define TX_SIZE_MASK 0xF
+
+#define USB_PDPHY_TX_CONTROL_REG 0x44
+#define TX_CONTROL_RETRY_COUNT(n) (((n) & 0x3) << 5)
+#define TX_CONTROL_FRAME_TYPE(n) (((n) & 0x7) << 2)
+#define TX_CONTROL_FRAME_TYPE_CABLE_RESET (0x1 << 2)
+#define TX_CONTROL_SEND_SIGNAL BIT(1)
+#define TX_CONTROL_SEND_MSG BIT(0)
+
+#define USB_PDPHY_RX_SIZE_REG 0x48
+
+#define USB_PDPHY_RX_ACKNOWLEDGE_REG 0x4B
+#define RX_BUFFER_TOKEN BIT(0)
+
+#define USB_PDPHY_BIST_MODE_REG 0x4E
+#define BIST_MODE_MASK 0xF
+#define BIST_ENABLE BIT(7)
+#define PD_MSG_BIST 0x3
+#define PD_BIST_TEST_DATA_MODE 0x8
+
+#define USB_PDPHY_TX_BUFFER_HDR_REG 0x60
+#define USB_PDPHY_TX_BUFFER_DATA_REG 0x62
+
+#define USB_PDPHY_RX_BUFFER_REG 0x80
+
+/* VDD regulator */
+#define VDD_PDPHY_VOL_MIN 2800000 /* uV */
+#define VDD_PDPHY_VOL_MAX 3300000 /* uV */
+#define VDD_PDPHY_HPM_LOAD 3000 /* uA */
+
+/* Message Spec Rev field */
+#define PD_MSG_HDR_REV(hdr) (((hdr) >> 6) & 3)
+
+/* timers */
+#define RECEIVER_RESPONSE_TIME 15 /* tReceiverResponse */
+#define HARD_RESET_COMPLETE_TIME 5 /* tHardResetComplete */
+
+/* Interrupt numbers */
+#define PMIC_PDPHY_SIG_TX_IRQ 0x0
+#define PMIC_PDPHY_SIG_RX_IRQ 0x1
+#define PMIC_PDPHY_MSG_TX_IRQ 0x2
+#define PMIC_PDPHY_MSG_RX_IRQ 0x3
+#define PMIC_PDPHY_MSG_TX_FAIL_IRQ 0x4
+#define PMIC_PDPHY_MSG_TX_DISCARD_IRQ 0x5
+#define PMIC_PDPHY_MSG_RX_DISCARD_IRQ 0x6
+#define PMIC_PDPHY_FR_SWAP_IRQ 0x7
+
+
struct pmic_typec_pdphy_irq_data {
int virq;
int irq;
@@ -231,11 +297,13 @@ qcom_pmic_typec_pdphy_pd_transmit_payload(struct pmic_typec_pdphy *pmic_typec_pd
return ret;
}
-int qcom_pmic_typec_pdphy_pd_transmit(struct pmic_typec_pdphy *pmic_typec_pdphy,
- enum tcpm_transmit_type type,
- const struct pd_message *msg,
- unsigned int negotiated_rev)
+static int qcom_pmic_typec_pdphy_pd_transmit(struct tcpc_dev *tcpc,
+ enum tcpm_transmit_type type,
+ const struct pd_message *msg,
+ unsigned int negotiated_rev)
{
+ struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
+ struct pmic_typec_pdphy *pmic_typec_pdphy = tcpm->pmic_typec_pdphy;
struct device *dev = pmic_typec_pdphy->dev;
int ret;
@@ -336,8 +404,10 @@ static irqreturn_t qcom_pmic_typec_pdphy_isr(int irq, void *dev_id)
return IRQ_HANDLED;
}
-int qcom_pmic_typec_pdphy_set_pd_rx(struct pmic_typec_pdphy *pmic_typec_pdphy, bool on)
+static int qcom_pmic_typec_pdphy_set_pd_rx(struct tcpc_dev *tcpc, bool on)
{
+ struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
+ struct pmic_typec_pdphy *pmic_typec_pdphy = tcpm->pmic_typec_pdphy;
unsigned long flags;
int ret;
@@ -353,10 +423,12 @@ int qcom_pmic_typec_pdphy_set_pd_rx(struct pmic_typec_pdphy *pmic_typec_pdphy, b
return ret;
}
-int qcom_pmic_typec_pdphy_set_roles(struct pmic_typec_pdphy *pmic_typec_pdphy,
- enum typec_role power_role,
- enum typec_data_role data_role)
+static int qcom_pmic_typec_pdphy_set_roles(struct tcpc_dev *tcpc, bool attached,
+ enum typec_role power_role,
+ enum typec_data_role data_role)
{
+ struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
+ struct pmic_typec_pdphy *pmic_typec_pdphy = tcpm->pmic_typec_pdphy;
struct device *dev = pmic_typec_pdphy->dev;
unsigned long flags;
int ret;
@@ -437,9 +509,10 @@ static int pmic_typec_pdphy_reset(struct pmic_typec_pdphy *pmic_typec_pdphy)
return ret;
}
-int qcom_pmic_typec_pdphy_start(struct pmic_typec_pdphy *pmic_typec_pdphy,
- struct tcpm_port *tcpm_port)
+static int qcom_pmic_typec_pdphy_start(struct pmic_typec *tcpm,
+ struct tcpm_port *tcpm_port)
{
+ struct pmic_typec_pdphy *pmic_typec_pdphy = tcpm->pmic_typec_pdphy;
int i;
int ret;
@@ -459,8 +532,9 @@ int qcom_pmic_typec_pdphy_start(struct pmic_typec_pdphy *pmic_typec_pdphy,
return 0;
}
-void qcom_pmic_typec_pdphy_stop(struct pmic_typec_pdphy *pmic_typec_pdphy)
+static void qcom_pmic_typec_pdphy_stop(struct pmic_typec *tcpm)
{
+ struct pmic_typec_pdphy *pmic_typec_pdphy = tcpm->pmic_typec_pdphy;
int i;
for (i = 0; i < pmic_typec_pdphy->nr_irqs; i++)
@@ -471,21 +545,21 @@ void qcom_pmic_typec_pdphy_stop(struct pmic_typec_pdphy *pmic_typec_pdphy)
regulator_disable(pmic_typec_pdphy->vdd_pdphy);
}
-struct pmic_typec_pdphy *qcom_pmic_typec_pdphy_alloc(struct device *dev)
-{
- return devm_kzalloc(dev, sizeof(struct pmic_typec_pdphy), GFP_KERNEL);
-}
-
int qcom_pmic_typec_pdphy_probe(struct platform_device *pdev,
- struct pmic_typec_pdphy *pmic_typec_pdphy,
- struct pmic_typec_pdphy_resources *res,
+ struct pmic_typec *tcpm,
+ const struct pmic_typec_pdphy_resources *res,
struct regmap *regmap,
u32 base)
{
+ struct pmic_typec_pdphy *pmic_typec_pdphy;
struct device *dev = &pdev->dev;
struct pmic_typec_pdphy_irq_data *irq_data;
int i, ret, irq;
+ pmic_typec_pdphy = devm_kzalloc(dev, sizeof(*pmic_typec_pdphy), GFP_KERNEL);
+ if (!pmic_typec_pdphy)
+ return -ENOMEM;
+
if (!res->nr_irqs || res->nr_irqs > PMIC_PDPHY_MAX_IRQS)
return -EINVAL;
@@ -524,5 +598,48 @@ int qcom_pmic_typec_pdphy_probe(struct platform_device *pdev,
return ret;
}
+ tcpm->pmic_typec_pdphy = pmic_typec_pdphy;
+
+ tcpm->tcpc.set_pd_rx = qcom_pmic_typec_pdphy_set_pd_rx;
+ tcpm->tcpc.set_roles = qcom_pmic_typec_pdphy_set_roles;
+ tcpm->tcpc.pd_transmit = qcom_pmic_typec_pdphy_pd_transmit;
+
+ tcpm->pdphy_start = qcom_pmic_typec_pdphy_start;
+ tcpm->pdphy_stop = qcom_pmic_typec_pdphy_stop;
+
return 0;
}
+
+const struct pmic_typec_pdphy_resources pm8150b_pdphy_res = {
+ .irq_params = {
+ {
+ .virq = PMIC_PDPHY_SIG_TX_IRQ,
+ .irq_name = "sig-tx",
+ },
+ {
+ .virq = PMIC_PDPHY_SIG_RX_IRQ,
+ .irq_name = "sig-rx",
+ },
+ {
+ .virq = PMIC_PDPHY_MSG_TX_IRQ,
+ .irq_name = "msg-tx",
+ },
+ {
+ .virq = PMIC_PDPHY_MSG_RX_IRQ,
+ .irq_name = "msg-rx",
+ },
+ {
+ .virq = PMIC_PDPHY_MSG_TX_FAIL_IRQ,
+ .irq_name = "msg-tx-failed",
+ },
+ {
+ .virq = PMIC_PDPHY_MSG_TX_DISCARD_IRQ,
+ .irq_name = "msg-tx-discarded",
+ },
+ {
+ .virq = PMIC_PDPHY_MSG_RX_DISCARD_IRQ,
+ .irq_name = "msg-rx-discarded",
+ },
+ },
+ .nr_irqs = 7,
+};
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h
index 070822dc6f177..5f428e67ccfe2 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h
@@ -8,74 +8,6 @@
#include <linux/platform_device.h>
#include <linux/regmap.h>
-#include <linux/usb/tcpm.h>
-
-#define USB_PDPHY_MAX_DATA_OBJ_LEN 28
-#define USB_PDPHY_MSG_HDR_LEN 2
-
-/* PD PHY register offsets and bit fields */
-#define USB_PDPHY_MSG_CONFIG_REG 0x40
-#define MSG_CONFIG_PORT_DATA_ROLE BIT(3)
-#define MSG_CONFIG_PORT_POWER_ROLE BIT(2)
-#define MSG_CONFIG_SPEC_REV_MASK (BIT(1) | BIT(0))
-
-#define USB_PDPHY_EN_CONTROL_REG 0x46
-#define CONTROL_ENABLE BIT(0)
-
-#define USB_PDPHY_RX_STATUS_REG 0x4A
-#define RX_FRAME_TYPE (BIT(0) | BIT(1) | BIT(2))
-
-#define USB_PDPHY_FRAME_FILTER_REG 0x4C
-#define FRAME_FILTER_EN_HARD_RESET BIT(5)
-#define FRAME_FILTER_EN_SOP BIT(0)
-
-#define USB_PDPHY_TX_SIZE_REG 0x42
-#define TX_SIZE_MASK 0xF
-
-#define USB_PDPHY_TX_CONTROL_REG 0x44
-#define TX_CONTROL_RETRY_COUNT(n) (((n) & 0x3) << 5)
-#define TX_CONTROL_FRAME_TYPE(n) (((n) & 0x7) << 2)
-#define TX_CONTROL_FRAME_TYPE_CABLE_RESET (0x1 << 2)
-#define TX_CONTROL_SEND_SIGNAL BIT(1)
-#define TX_CONTROL_SEND_MSG BIT(0)
-
-#define USB_PDPHY_RX_SIZE_REG 0x48
-
-#define USB_PDPHY_RX_ACKNOWLEDGE_REG 0x4B
-#define RX_BUFFER_TOKEN BIT(0)
-
-#define USB_PDPHY_BIST_MODE_REG 0x4E
-#define BIST_MODE_MASK 0xF
-#define BIST_ENABLE BIT(7)
-#define PD_MSG_BIST 0x3
-#define PD_BIST_TEST_DATA_MODE 0x8
-
-#define USB_PDPHY_TX_BUFFER_HDR_REG 0x60
-#define USB_PDPHY_TX_BUFFER_DATA_REG 0x62
-
-#define USB_PDPHY_RX_BUFFER_REG 0x80
-
-/* VDD regulator */
-#define VDD_PDPHY_VOL_MIN 2800000 /* uV */
-#define VDD_PDPHY_VOL_MAX 3300000 /* uV */
-#define VDD_PDPHY_HPM_LOAD 3000 /* uA */
-
-/* Message Spec Rev field */
-#define PD_MSG_HDR_REV(hdr) (((hdr) >> 6) & 3)
-
-/* timers */
-#define RECEIVER_RESPONSE_TIME 15 /* tReceiverResponse */
-#define HARD_RESET_COMPLETE_TIME 5 /* tHardResetComplete */
-
-/* Interrupt numbers */
-#define PMIC_PDPHY_SIG_TX_IRQ 0x0
-#define PMIC_PDPHY_SIG_RX_IRQ 0x1
-#define PMIC_PDPHY_MSG_TX_IRQ 0x2
-#define PMIC_PDPHY_MSG_RX_IRQ 0x3
-#define PMIC_PDPHY_MSG_TX_FAIL_IRQ 0x4
-#define PMIC_PDPHY_MSG_TX_DISCARD_IRQ 0x5
-#define PMIC_PDPHY_MSG_RX_DISCARD_IRQ 0x6
-#define PMIC_PDPHY_FR_SWAP_IRQ 0x7
/* Resources */
#define PMIC_PDPHY_MAX_IRQS 0x08
@@ -87,34 +19,17 @@ struct pmic_typec_pdphy_irq_params {
struct pmic_typec_pdphy_resources {
unsigned int nr_irqs;
- struct pmic_typec_pdphy_irq_params irq_params[PMIC_PDPHY_MAX_IRQS];
+ const struct pmic_typec_pdphy_irq_params irq_params[PMIC_PDPHY_MAX_IRQS];
};
/* API */
struct pmic_typec_pdphy;
-struct pmic_typec_pdphy *qcom_pmic_typec_pdphy_alloc(struct device *dev);
-
+extern const struct pmic_typec_pdphy_resources pm8150b_pdphy_res;
int qcom_pmic_typec_pdphy_probe(struct platform_device *pdev,
- struct pmic_typec_pdphy *pmic_typec_pdphy,
- struct pmic_typec_pdphy_resources *res,
+ struct pmic_typec *tcpm,
+ const struct pmic_typec_pdphy_resources *res,
struct regmap *regmap,
u32 base);
-int qcom_pmic_typec_pdphy_start(struct pmic_typec_pdphy *pmic_typec_pdphy,
- struct tcpm_port *tcpm_port);
-
-void qcom_pmic_typec_pdphy_stop(struct pmic_typec_pdphy *pmic_typec_pdphy);
-
-int qcom_pmic_typec_pdphy_set_roles(struct pmic_typec_pdphy *pmic_typec_pdphy,
- enum typec_role power_role,
- enum typec_data_role data_role);
-
-int qcom_pmic_typec_pdphy_set_pd_rx(struct pmic_typec_pdphy *pmic_typec_pdphy, bool on);
-
-int qcom_pmic_typec_pdphy_pd_transmit(struct pmic_typec_pdphy *pmic_typec_pdphy,
- enum tcpm_transmit_type type,
- const struct pd_message *msg,
- unsigned int negotiated_rev);
-
#endif /* __QCOM_PMIC_TYPEC_PDPHY_H__ */
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.h b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.h
index d4d358c680b6b..4a892048908e7 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.h
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.h
@@ -3,8 +3,8 @@
* Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
* Copyright (c) 2023, Linaro Ltd. All rights reserved.
*/
-#ifndef __QCOM_PMIC_TYPEC_H__
-#define __QCOM_PMIC_TYPEC_H__
+#ifndef __QCOM_PMIC_TYPEC_PORT_H__
+#define __QCOM_PMIC_TYPEC_PORT_H__
#include <linux/platform_device.h>
#include <linux/usb/tcpm.h>
--
GitLab
From f1a27f081c1fa1eeebf38406e45f29636114470f Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Sat, 13 Jan 2024 22:55:51 +0200
Subject: [PATCH 0173/2686] usb: typec: qcom-pmic-typec: allow different
implementations for the port backend
Follow the PD PHY changes and rework Type-C port implementation to
become an encapsulated backend. While this is not required for the
PMI632, it will us later to enable Type-C handling on earlier platforms,
including, but not limited to SDM845, SDM660 and MSM8998.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Acked-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20240113-pmi632-typec-v2-8-182d9aa0a5b3@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c | 137 +--------
drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.h | 6 +-
.../typec/tcpm/qcom/qcom_pmic_typec_port.c | 290 ++++++++++++++++--
.../typec/tcpm/qcom/qcom_pmic_typec_port.h | 168 +---------
4 files changed, 282 insertions(+), 319 deletions(-)
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
index 4c7c38c58a026..82e3f59ea471b 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
@@ -26,85 +26,9 @@
struct pmic_typec_resources {
const struct pmic_typec_pdphy_resources *pdphy_res;
- struct pmic_typec_port_resources *port_res;
+ const struct pmic_typec_port_resources *port_res;
};
-static int qcom_pmic_typec_get_vbus(struct tcpc_dev *tcpc)
-{
- struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
- int ret;
-
- mutex_lock(&tcpm->lock);
- ret = tcpm->vbus_enabled || qcom_pmic_typec_port_get_vbus(tcpm->pmic_typec_port);
- mutex_unlock(&tcpm->lock);
-
- return ret;
-}
-
-static int qcom_pmic_typec_set_vbus(struct tcpc_dev *tcpc, bool on, bool sink)
-{
- struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
- int ret = 0;
-
- mutex_lock(&tcpm->lock);
- if (tcpm->vbus_enabled == on)
- goto done;
-
- ret = qcom_pmic_typec_port_set_vbus(tcpm->pmic_typec_port, on);
- if (ret)
- goto done;
-
- tcpm->vbus_enabled = on;
- tcpm_vbus_change(tcpm->tcpm_port);
-
-done:
- dev_dbg(tcpm->dev, "set_vbus set: %d result %d\n", on, ret);
- mutex_unlock(&tcpm->lock);
-
- return ret;
-}
-
-static int qcom_pmic_typec_set_vconn(struct tcpc_dev *tcpc, bool on)
-{
- struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
-
- return qcom_pmic_typec_port_set_vconn(tcpm->pmic_typec_port, on);
-}
-
-static int qcom_pmic_typec_get_cc(struct tcpc_dev *tcpc,
- enum typec_cc_status *cc1,
- enum typec_cc_status *cc2)
-{
- struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
-
- return qcom_pmic_typec_port_get_cc(tcpm->pmic_typec_port, cc1, cc2);
-}
-
-static int qcom_pmic_typec_set_cc(struct tcpc_dev *tcpc,
- enum typec_cc_status cc)
-{
- struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
-
- return qcom_pmic_typec_port_set_cc(tcpm->pmic_typec_port, cc);
-}
-
-static int qcom_pmic_typec_set_polarity(struct tcpc_dev *tcpc,
- enum typec_cc_polarity pol)
-{
- /* Polarity is set separately by phy-qcom-qmp.c */
- return 0;
-}
-
-static int qcom_pmic_typec_start_toggling(struct tcpc_dev *tcpc,
- enum typec_port_type port_type,
- enum typec_cc_status cc)
-{
- struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
-
- return qcom_pmic_typec_port_start_toggling(tcpm->pmic_typec_port,
- port_type, cc);
-}
-
static int qcom_pmic_typec_init(struct tcpc_dev *tcpc)
{
return 0;
@@ -131,13 +55,6 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
tcpm->dev = dev;
tcpm->tcpc.init = qcom_pmic_typec_init;
- tcpm->tcpc.get_vbus = qcom_pmic_typec_get_vbus;
- tcpm->tcpc.set_vbus = qcom_pmic_typec_set_vbus;
- tcpm->tcpc.set_cc = qcom_pmic_typec_set_cc;
- tcpm->tcpc.get_cc = qcom_pmic_typec_get_cc;
- tcpm->tcpc.set_polarity = qcom_pmic_typec_set_polarity;
- tcpm->tcpc.set_vconn = qcom_pmic_typec_set_vconn;
- tcpm->tcpc.start_toggling = qcom_pmic_typec_start_toggling;
regmap = dev_get_regmap(dev->parent, NULL);
if (!regmap) {
@@ -149,11 +66,7 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
if (ret)
return ret;
- tcpm->pmic_typec_port = qcom_pmic_typec_port_alloc(dev);
- if (IS_ERR(tcpm->pmic_typec_port))
- return PTR_ERR(tcpm->pmic_typec_port);
-
- ret = qcom_pmic_typec_port_probe(pdev, tcpm->pmic_typec_port,
+ ret = qcom_pmic_typec_port_probe(pdev, tcpm,
res->port_res, regmap, base[0]);
if (ret)
return ret;
@@ -163,7 +76,6 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
if (ret)
return ret;
- mutex_init(&tcpm->lock);
platform_set_drvdata(pdev, tcpm);
tcpm->tcpc.fwnode = device_get_named_child_node(tcpm->dev, "connector");
@@ -180,8 +92,7 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
goto fwnode_remove;
}
- ret = qcom_pmic_typec_port_start(tcpm->pmic_typec_port,
- tcpm->tcpm_port);
+ ret = tcpm->port_start(tcpm, tcpm->tcpm_port);
if (ret)
goto fwnode_remove;
@@ -202,50 +113,12 @@ static void qcom_pmic_typec_remove(struct platform_device *pdev)
struct pmic_typec *tcpm = platform_get_drvdata(pdev);
tcpm->pdphy_stop(tcpm);
- qcom_pmic_typec_port_stop(tcpm->pmic_typec_port);
+ tcpm->port_stop(tcpm);
tcpm_unregister_port(tcpm->tcpm_port);
fwnode_remove_software_node(tcpm->tcpc.fwnode);
}
-static struct pmic_typec_port_resources pm8150b_port_res = {
- .irq_params = {
- {
- .irq_name = "vpd-detect",
- .virq = PMIC_TYPEC_VPD_IRQ,
- },
-
- {
- .irq_name = "cc-state-change",
- .virq = PMIC_TYPEC_CC_STATE_IRQ,
- },
- {
- .irq_name = "vconn-oc",
- .virq = PMIC_TYPEC_VCONN_OC_IRQ,
- },
-
- {
- .irq_name = "vbus-change",
- .virq = PMIC_TYPEC_VBUS_IRQ,
- },
-
- {
- .irq_name = "attach-detach",
- .virq = PMIC_TYPEC_ATTACH_DETACH_IRQ,
- },
- {
- .irq_name = "legacy-cable-detect",
- .virq = PMIC_TYPEC_LEGACY_CABLE_IRQ,
- },
-
- {
- .irq_name = "try-snk-src-detect",
- .virq = PMIC_TYPEC_TRY_SNK_SRC_IRQ,
- },
- },
- .nr_irqs = 7,
-};
-
-static struct pmic_typec_resources pm8150b_typec_res = {
+static const struct pmic_typec_resources pm8150b_typec_res = {
.pdphy_res = &pm8150b_pdphy_res,
.port_res = &pm8150b_port_res,
};
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.h b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.h
index da035916c12a0..3c75820c91876 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.h
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.h
@@ -12,12 +12,14 @@ struct pmic_typec {
struct tcpc_dev tcpc;
struct pmic_typec_pdphy *pmic_typec_pdphy;
struct pmic_typec_port *pmic_typec_port;
- bool vbus_enabled;
- struct mutex lock; /* VBUS state serialization */
int (*pdphy_start)(struct pmic_typec *tcpm,
struct tcpm_port *tcpm_port);
void (*pdphy_stop)(struct pmic_typec *tcpm);
+
+ int (*port_start)(struct pmic_typec *tcpm,
+ struct tcpm_port *tcpm_port);
+ void (*port_stop)(struct pmic_typec *tcpm);
};
#define tcpc_to_tcpm(_tcpc_) container_of(_tcpc_, struct pmic_typec, tcpc)
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c
index a8f3f4d3a4509..a747baa297849 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c
@@ -16,8 +16,147 @@
#include <linux/usb/tcpm.h>
#include <linux/usb/typec_mux.h>
#include <linux/workqueue.h>
+
+#include "qcom_pmic_typec.h"
#include "qcom_pmic_typec_port.h"
+#define TYPEC_SNK_STATUS_REG 0x06
+#define DETECTED_SNK_TYPE_MASK GENMASK(6, 0)
+#define SNK_DAM_MASK GENMASK(6, 4)
+#define SNK_DAM_500MA BIT(6)
+#define SNK_DAM_1500MA BIT(5)
+#define SNK_DAM_3000MA BIT(4)
+#define SNK_RP_STD BIT(3)
+#define SNK_RP_1P5 BIT(2)
+#define SNK_RP_3P0 BIT(1)
+#define SNK_RP_SHORT BIT(0)
+
+#define TYPEC_SRC_STATUS_REG 0x08
+#define DETECTED_SRC_TYPE_MASK GENMASK(4, 0)
+#define SRC_HIGH_BATT BIT(5)
+#define SRC_DEBUG_ACCESS BIT(4)
+#define SRC_RD_OPEN BIT(3)
+#define SRC_RD_RA_VCONN BIT(2)
+#define SRC_RA_OPEN BIT(1)
+#define AUDIO_ACCESS_RA_RA BIT(0)
+
+#define TYPEC_STATE_MACHINE_STATUS_REG 0x09
+#define TYPEC_ATTACH_DETACH_STATE BIT(5)
+
+#define TYPEC_SM_STATUS_REG 0x0A
+#define TYPEC_SM_VBUS_VSAFE5V BIT(5)
+#define TYPEC_SM_VBUS_VSAFE0V BIT(6)
+#define TYPEC_SM_USBIN_LT_LV BIT(7)
+
+#define TYPEC_MISC_STATUS_REG 0x0B
+#define TYPEC_WATER_DETECTION_STATUS BIT(7)
+#define SNK_SRC_MODE BIT(6)
+#define TYPEC_VBUS_DETECT BIT(5)
+#define TYPEC_VBUS_ERROR_STATUS BIT(4)
+#define TYPEC_DEBOUNCE_DONE BIT(3)
+#define CC_ORIENTATION BIT(1)
+#define CC_ATTACHED BIT(0)
+
+#define LEGACY_CABLE_STATUS_REG 0x0D
+#define TYPEC_LEGACY_CABLE_STATUS BIT(1)
+#define TYPEC_NONCOMP_LEGACY_CABLE_STATUS BIT(0)
+
+#define TYPEC_U_USB_STATUS_REG 0x0F
+#define U_USB_GROUND_NOVBUS BIT(6)
+#define U_USB_GROUND BIT(4)
+#define U_USB_FMB1 BIT(3)
+#define U_USB_FLOAT1 BIT(2)
+#define U_USB_FMB2 BIT(1)
+#define U_USB_FLOAT2 BIT(0)
+
+#define TYPEC_MODE_CFG_REG 0x44
+#define TYPEC_TRY_MODE_MASK GENMASK(4, 3)
+#define EN_TRY_SNK BIT(4)
+#define EN_TRY_SRC BIT(3)
+#define TYPEC_POWER_ROLE_CMD_MASK GENMASK(2, 0)
+#define EN_SRC_ONLY BIT(2)
+#define EN_SNK_ONLY BIT(1)
+#define TYPEC_DISABLE_CMD BIT(0)
+
+#define TYPEC_VCONN_CONTROL_REG 0x46
+#define VCONN_EN_ORIENTATION BIT(2)
+#define VCONN_EN_VALUE BIT(1)
+#define VCONN_EN_SRC BIT(0)
+
+#define TYPEC_CCOUT_CONTROL_REG 0x48
+#define TYPEC_CCOUT_BUFFER_EN BIT(2)
+#define TYPEC_CCOUT_VALUE BIT(1)
+#define TYPEC_CCOUT_SRC BIT(0)
+
+#define DEBUG_ACCESS_SRC_CFG_REG 0x4C
+#define EN_UNORIENTED_DEBUG_ACCESS_SRC BIT(0)
+
+#define TYPE_C_CRUDE_SENSOR_CFG_REG 0x4e
+#define EN_SRC_CRUDE_SENSOR BIT(1)
+#define EN_SNK_CRUDE_SENSOR BIT(0)
+
+#define TYPEC_EXIT_STATE_CFG_REG 0x50
+#define BYPASS_VSAFE0V_DURING_ROLE_SWAP BIT(3)
+#define SEL_SRC_UPPER_REF BIT(2)
+#define USE_TPD_FOR_EXITING_ATTACHSRC BIT(1)
+#define EXIT_SNK_BASED_ON_CC BIT(0)
+
+#define TYPEC_CURRSRC_CFG_REG 0x52
+#define TYPEC_SRC_RP_SEL_330UA BIT(1)
+#define TYPEC_SRC_RP_SEL_180UA BIT(0)
+#define TYPEC_SRC_RP_SEL_80UA 0
+#define TYPEC_SRC_RP_SEL_MASK GENMASK(1, 0)
+
+#define TYPEC_INTERRUPT_EN_CFG_1_REG 0x5E
+#define TYPEC_LEGACY_CABLE_INT_EN BIT(7)
+#define TYPEC_NONCOMPLIANT_LEGACY_CABLE_INT_EN BIT(6)
+#define TYPEC_TRYSOURCE_DETECT_INT_EN BIT(5)
+#define TYPEC_TRYSINK_DETECT_INT_EN BIT(4)
+#define TYPEC_CCOUT_DETACH_INT_EN BIT(3)
+#define TYPEC_CCOUT_ATTACH_INT_EN BIT(2)
+#define TYPEC_VBUS_DEASSERT_INT_EN BIT(1)
+#define TYPEC_VBUS_ASSERT_INT_EN BIT(0)
+
+#define TYPEC_INTERRUPT_EN_CFG_2_REG 0x60
+#define TYPEC_SRC_BATT_HPWR_INT_EN BIT(6)
+#define MICRO_USB_STATE_CHANGE_INT_EN BIT(5)
+#define TYPEC_STATE_MACHINE_CHANGE_INT_EN BIT(4)
+#define TYPEC_DEBUG_ACCESS_DETECT_INT_EN BIT(3)
+#define TYPEC_WATER_DETECTION_INT_EN BIT(2)
+#define TYPEC_VBUS_ERROR_INT_EN BIT(1)
+#define TYPEC_DEBOUNCE_DONE_INT_EN BIT(0)
+
+#define TYPEC_DEBOUNCE_OPTION_REG 0x62
+#define REDUCE_TCCDEBOUNCE_TO_2MS BIT(2)
+
+#define TYPE_C_SBU_CFG_REG 0x6A
+#define SEL_SBU1_ISRC_VAL 0x04
+#define SEL_SBU2_ISRC_VAL 0x01
+
+#define TYPEC_U_USB_CFG_REG 0x70
+#define EN_MICRO_USB_FACTORY_MODE BIT(1)
+#define EN_MICRO_USB_MODE BIT(0)
+
+#define TYPEC_PMI632_U_USB_WATER_PROTECTION_CFG_REG 0x72
+
+#define TYPEC_U_USB_WATER_PROTECTION_CFG_REG 0x73
+#define EN_MICRO_USB_WATER_PROTECTION BIT(4)
+#define MICRO_USB_DETECTION_ON_TIME_CFG_MASK GENMASK(3, 2)
+#define MICRO_USB_DETECTION_PERIOD_CFG_MASK GENMASK(1, 0)
+
+#define TYPEC_PMI632_MICRO_USB_MODE_REG 0x73
+#define MICRO_USB_MODE_ONLY BIT(0)
+
+/* Interrupt numbers */
+#define PMIC_TYPEC_OR_RID_IRQ 0x0
+#define PMIC_TYPEC_VPD_IRQ 0x1
+#define PMIC_TYPEC_CC_STATE_IRQ 0x2
+#define PMIC_TYPEC_VCONN_OC_IRQ 0x3
+#define PMIC_TYPEC_VBUS_IRQ 0x4
+#define PMIC_TYPEC_ATTACH_DETACH_IRQ 0x5
+#define PMIC_TYPEC_LEGACY_CABLE_IRQ 0x6
+#define PMIC_TYPEC_TRY_SNK_SRC_IRQ 0x7
+
struct pmic_typec_port_irq_data {
int virq;
int irq;
@@ -33,6 +172,8 @@ struct pmic_typec_port {
struct pmic_typec_port_irq_data *irq_data;
struct regulator *vdd_vbus;
+ bool vbus_enabled;
+ struct mutex vbus_lock; /* VBUS state serialization */
int cc;
bool debouncing_cc;
@@ -131,7 +272,7 @@ static irqreturn_t pmic_typec_port_isr(int irq, void *dev_id)
return IRQ_HANDLED;
}
-int qcom_pmic_typec_port_get_vbus(struct pmic_typec_port *pmic_typec_port)
+static int qcom_pmic_typec_port_vbus_detect(struct pmic_typec_port *pmic_typec_port)
{
struct device *dev = pmic_typec_port->dev;
unsigned int misc;
@@ -148,7 +289,7 @@ int qcom_pmic_typec_port_get_vbus(struct pmic_typec_port *pmic_typec_port)
return !!(misc & TYPEC_VBUS_DETECT);
}
-int qcom_pmic_typec_port_set_vbus(struct pmic_typec_port *pmic_typec_port, bool on)
+static int qcom_pmic_typec_port_vbus_toggle(struct pmic_typec_port *pmic_typec_port, bool on)
{
u32 sm_stat;
u32 val;
@@ -179,10 +320,49 @@ int qcom_pmic_typec_port_set_vbus(struct pmic_typec_port *pmic_typec_port, bool
return 0;
}
-int qcom_pmic_typec_port_get_cc(struct pmic_typec_port *pmic_typec_port,
- enum typec_cc_status *cc1,
- enum typec_cc_status *cc2)
+static int qcom_pmic_typec_port_get_vbus(struct tcpc_dev *tcpc)
+{
+ struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
+ struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port;
+ int ret;
+
+ mutex_lock(&pmic_typec_port->vbus_lock);
+ ret = pmic_typec_port->vbus_enabled || qcom_pmic_typec_port_vbus_detect(pmic_typec_port);
+ mutex_unlock(&pmic_typec_port->vbus_lock);
+
+ return ret;
+}
+
+static int qcom_pmic_typec_port_set_vbus(struct tcpc_dev *tcpc, bool on, bool sink)
+{
+ struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
+ struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port;
+ int ret = 0;
+
+ mutex_lock(&pmic_typec_port->vbus_lock);
+ if (pmic_typec_port->vbus_enabled == on)
+ goto done;
+
+ ret = qcom_pmic_typec_port_vbus_toggle(pmic_typec_port, on);
+ if (ret)
+ goto done;
+
+ pmic_typec_port->vbus_enabled = on;
+ tcpm_vbus_change(tcpm->tcpm_port);
+
+done:
+ dev_dbg(tcpm->dev, "set_vbus set: %d result %d\n", on, ret);
+ mutex_unlock(&pmic_typec_port->vbus_lock);
+
+ return ret;
+}
+
+static int qcom_pmic_typec_port_get_cc(struct tcpc_dev *tcpc,
+ enum typec_cc_status *cc1,
+ enum typec_cc_status *cc2)
{
+ struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
+ struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port;
struct device *dev = pmic_typec_port->dev;
unsigned int misc, val;
bool attached;
@@ -275,9 +455,11 @@ static void qcom_pmic_set_cc_debounce(struct pmic_typec_port *pmic_typec_port)
msecs_to_jiffies(2));
}
-int qcom_pmic_typec_port_set_cc(struct pmic_typec_port *pmic_typec_port,
- enum typec_cc_status cc)
+static int qcom_pmic_typec_port_set_cc(struct tcpc_dev *tcpc,
+ enum typec_cc_status cc)
{
+ struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
+ struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port;
struct device *dev = pmic_typec_port->dev;
unsigned int mode, currsrc;
unsigned int misc;
@@ -341,8 +523,17 @@ int qcom_pmic_typec_port_set_cc(struct pmic_typec_port *pmic_typec_port,
return ret;
}
-int qcom_pmic_typec_port_set_vconn(struct pmic_typec_port *pmic_typec_port, bool on)
+static int qcom_pmic_typec_port_set_polarity(struct tcpc_dev *tcpc,
+ enum typec_cc_polarity pol)
+{
+ /* Polarity is set separately by phy-qcom-qmp.c */
+ return 0;
+}
+
+static int qcom_pmic_typec_port_set_vconn(struct tcpc_dev *tcpc, bool on)
{
+ struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
+ struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port;
struct device *dev = pmic_typec_port->dev;
unsigned int orientation, misc, mask, value;
unsigned long flags;
@@ -377,10 +568,12 @@ int qcom_pmic_typec_port_set_vconn(struct pmic_typec_port *pmic_typec_port, bool
return ret;
}
-int qcom_pmic_typec_port_start_toggling(struct pmic_typec_port *pmic_typec_port,
- enum typec_port_type port_type,
- enum typec_cc_status cc)
+static int qcom_pmic_typec_port_start_toggling(struct tcpc_dev *tcpc,
+ enum typec_port_type port_type,
+ enum typec_cc_status cc)
{
+ struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
+ struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port;
struct device *dev = pmic_typec_port->dev;
unsigned int misc;
u8 mode = 0;
@@ -441,9 +634,10 @@ int qcom_pmic_typec_port_start_toggling(struct pmic_typec_port *pmic_typec_port,
(TYPEC_STATE_MACHINE_CHANGE_INT_EN | TYPEC_VBUS_ERROR_INT_EN | \
TYPEC_DEBOUNCE_DONE_INT_EN)
-int qcom_pmic_typec_port_start(struct pmic_typec_port *pmic_typec_port,
- struct tcpm_port *tcpm_port)
+static int qcom_pmic_typec_port_start(struct pmic_typec *tcpm,
+ struct tcpm_port *tcpm_port)
{
+ struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port;
int i;
int mask;
int ret;
@@ -491,29 +685,30 @@ int qcom_pmic_typec_port_start(struct pmic_typec_port *pmic_typec_port,
return ret;
}
-void qcom_pmic_typec_port_stop(struct pmic_typec_port *pmic_typec_port)
+static void qcom_pmic_typec_port_stop(struct pmic_typec *tcpm)
{
+ struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port;
int i;
for (i = 0; i < pmic_typec_port->nr_irqs; i++)
disable_irq(pmic_typec_port->irq_data[i].irq);
}
-struct pmic_typec_port *qcom_pmic_typec_port_alloc(struct device *dev)
-{
- return devm_kzalloc(dev, sizeof(struct pmic_typec_port), GFP_KERNEL);
-}
-
int qcom_pmic_typec_port_probe(struct platform_device *pdev,
- struct pmic_typec_port *pmic_typec_port,
- struct pmic_typec_port_resources *res,
+ struct pmic_typec *tcpm,
+ const struct pmic_typec_port_resources *res,
struct regmap *regmap,
u32 base)
{
struct device *dev = &pdev->dev;
struct pmic_typec_port_irq_data *irq_data;
+ struct pmic_typec_port *pmic_typec_port;
int i, ret, irq;
+ pmic_typec_port = devm_kzalloc(dev, sizeof(*pmic_typec_port), GFP_KERNEL);
+ if (!pmic_typec_port)
+ return -ENOMEM;
+
if (!res->nr_irqs || res->nr_irqs > PMIC_TYPEC_MAX_IRQS)
return -EINVAL;
@@ -522,6 +717,8 @@ int qcom_pmic_typec_port_probe(struct platform_device *pdev,
if (!irq_data)
return -ENOMEM;
+ mutex_init(&pmic_typec_port->vbus_lock);
+
pmic_typec_port->vdd_vbus = devm_regulator_get(dev, "vdd-vbus");
if (IS_ERR(pmic_typec_port->vdd_vbus))
return PTR_ERR(pmic_typec_port->vdd_vbus);
@@ -556,5 +753,56 @@ int qcom_pmic_typec_port_probe(struct platform_device *pdev,
return ret;
}
+ tcpm->pmic_typec_port = pmic_typec_port;
+
+ tcpm->tcpc.get_vbus = qcom_pmic_typec_port_get_vbus;
+ tcpm->tcpc.set_vbus = qcom_pmic_typec_port_set_vbus;
+ tcpm->tcpc.set_cc = qcom_pmic_typec_port_set_cc;
+ tcpm->tcpc.get_cc = qcom_pmic_typec_port_get_cc;
+ tcpm->tcpc.set_polarity = qcom_pmic_typec_port_set_polarity;
+ tcpm->tcpc.set_vconn = qcom_pmic_typec_port_set_vconn;
+ tcpm->tcpc.start_toggling = qcom_pmic_typec_port_start_toggling;
+
+ tcpm->port_start = qcom_pmic_typec_port_start;
+ tcpm->port_stop = qcom_pmic_typec_port_stop;
+
return 0;
}
+
+const struct pmic_typec_port_resources pm8150b_port_res = {
+ .irq_params = {
+ {
+ .irq_name = "vpd-detect",
+ .virq = PMIC_TYPEC_VPD_IRQ,
+ },
+
+ {
+ .irq_name = "cc-state-change",
+ .virq = PMIC_TYPEC_CC_STATE_IRQ,
+ },
+ {
+ .irq_name = "vconn-oc",
+ .virq = PMIC_TYPEC_VCONN_OC_IRQ,
+ },
+
+ {
+ .irq_name = "vbus-change",
+ .virq = PMIC_TYPEC_VBUS_IRQ,
+ },
+
+ {
+ .irq_name = "attach-detach",
+ .virq = PMIC_TYPEC_ATTACH_DETACH_IRQ,
+ },
+ {
+ .irq_name = "legacy-cable-detect",
+ .virq = PMIC_TYPEC_LEGACY_CABLE_IRQ,
+ },
+
+ {
+ .irq_name = "try-snk-src-detect",
+ .virq = PMIC_TYPEC_TRY_SNK_SRC_IRQ,
+ },
+ },
+ .nr_irqs = 7,
+};
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.h b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.h
index 4a892048908e7..2ca83a46cf3b5 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.h
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.h
@@ -9,143 +9,6 @@
#include <linux/platform_device.h>
#include <linux/usb/tcpm.h>
-#define TYPEC_SNK_STATUS_REG 0x06
-#define DETECTED_SNK_TYPE_MASK GENMASK(6, 0)
-#define SNK_DAM_MASK GENMASK(6, 4)
-#define SNK_DAM_500MA BIT(6)
-#define SNK_DAM_1500MA BIT(5)
-#define SNK_DAM_3000MA BIT(4)
-#define SNK_RP_STD BIT(3)
-#define SNK_RP_1P5 BIT(2)
-#define SNK_RP_3P0 BIT(1)
-#define SNK_RP_SHORT BIT(0)
-
-#define TYPEC_SRC_STATUS_REG 0x08
-#define DETECTED_SRC_TYPE_MASK GENMASK(4, 0)
-#define SRC_HIGH_BATT BIT(5)
-#define SRC_DEBUG_ACCESS BIT(4)
-#define SRC_RD_OPEN BIT(3)
-#define SRC_RD_RA_VCONN BIT(2)
-#define SRC_RA_OPEN BIT(1)
-#define AUDIO_ACCESS_RA_RA BIT(0)
-
-#define TYPEC_STATE_MACHINE_STATUS_REG 0x09
-#define TYPEC_ATTACH_DETACH_STATE BIT(5)
-
-#define TYPEC_SM_STATUS_REG 0x0A
-#define TYPEC_SM_VBUS_VSAFE5V BIT(5)
-#define TYPEC_SM_VBUS_VSAFE0V BIT(6)
-#define TYPEC_SM_USBIN_LT_LV BIT(7)
-
-#define TYPEC_MISC_STATUS_REG 0x0B
-#define TYPEC_WATER_DETECTION_STATUS BIT(7)
-#define SNK_SRC_MODE BIT(6)
-#define TYPEC_VBUS_DETECT BIT(5)
-#define TYPEC_VBUS_ERROR_STATUS BIT(4)
-#define TYPEC_DEBOUNCE_DONE BIT(3)
-#define CC_ORIENTATION BIT(1)
-#define CC_ATTACHED BIT(0)
-
-#define LEGACY_CABLE_STATUS_REG 0x0D
-#define TYPEC_LEGACY_CABLE_STATUS BIT(1)
-#define TYPEC_NONCOMP_LEGACY_CABLE_STATUS BIT(0)
-
-#define TYPEC_U_USB_STATUS_REG 0x0F
-#define U_USB_GROUND_NOVBUS BIT(6)
-#define U_USB_GROUND BIT(4)
-#define U_USB_FMB1 BIT(3)
-#define U_USB_FLOAT1 BIT(2)
-#define U_USB_FMB2 BIT(1)
-#define U_USB_FLOAT2 BIT(0)
-
-#define TYPEC_MODE_CFG_REG 0x44
-#define TYPEC_TRY_MODE_MASK GENMASK(4, 3)
-#define EN_TRY_SNK BIT(4)
-#define EN_TRY_SRC BIT(3)
-#define TYPEC_POWER_ROLE_CMD_MASK GENMASK(2, 0)
-#define EN_SRC_ONLY BIT(2)
-#define EN_SNK_ONLY BIT(1)
-#define TYPEC_DISABLE_CMD BIT(0)
-
-#define TYPEC_VCONN_CONTROL_REG 0x46
-#define VCONN_EN_ORIENTATION BIT(2)
-#define VCONN_EN_VALUE BIT(1)
-#define VCONN_EN_SRC BIT(0)
-
-#define TYPEC_CCOUT_CONTROL_REG 0x48
-#define TYPEC_CCOUT_BUFFER_EN BIT(2)
-#define TYPEC_CCOUT_VALUE BIT(1)
-#define TYPEC_CCOUT_SRC BIT(0)
-
-#define DEBUG_ACCESS_SRC_CFG_REG 0x4C
-#define EN_UNORIENTED_DEBUG_ACCESS_SRC BIT(0)
-
-#define TYPE_C_CRUDE_SENSOR_CFG_REG 0x4e
-#define EN_SRC_CRUDE_SENSOR BIT(1)
-#define EN_SNK_CRUDE_SENSOR BIT(0)
-
-#define TYPEC_EXIT_STATE_CFG_REG 0x50
-#define BYPASS_VSAFE0V_DURING_ROLE_SWAP BIT(3)
-#define SEL_SRC_UPPER_REF BIT(2)
-#define USE_TPD_FOR_EXITING_ATTACHSRC BIT(1)
-#define EXIT_SNK_BASED_ON_CC BIT(0)
-
-#define TYPEC_CURRSRC_CFG_REG 0x52
-#define TYPEC_SRC_RP_SEL_330UA BIT(1)
-#define TYPEC_SRC_RP_SEL_180UA BIT(0)
-#define TYPEC_SRC_RP_SEL_80UA 0
-#define TYPEC_SRC_RP_SEL_MASK GENMASK(1, 0)
-
-#define TYPEC_INTERRUPT_EN_CFG_1_REG 0x5E
-#define TYPEC_LEGACY_CABLE_INT_EN BIT(7)
-#define TYPEC_NONCOMPLIANT_LEGACY_CABLE_INT_EN BIT(6)
-#define TYPEC_TRYSOURCE_DETECT_INT_EN BIT(5)
-#define TYPEC_TRYSINK_DETECT_INT_EN BIT(4)
-#define TYPEC_CCOUT_DETACH_INT_EN BIT(3)
-#define TYPEC_CCOUT_ATTACH_INT_EN BIT(2)
-#define TYPEC_VBUS_DEASSERT_INT_EN BIT(1)
-#define TYPEC_VBUS_ASSERT_INT_EN BIT(0)
-
-#define TYPEC_INTERRUPT_EN_CFG_2_REG 0x60
-#define TYPEC_SRC_BATT_HPWR_INT_EN BIT(6)
-#define MICRO_USB_STATE_CHANGE_INT_EN BIT(5)
-#define TYPEC_STATE_MACHINE_CHANGE_INT_EN BIT(4)
-#define TYPEC_DEBUG_ACCESS_DETECT_INT_EN BIT(3)
-#define TYPEC_WATER_DETECTION_INT_EN BIT(2)
-#define TYPEC_VBUS_ERROR_INT_EN BIT(1)
-#define TYPEC_DEBOUNCE_DONE_INT_EN BIT(0)
-
-#define TYPEC_DEBOUNCE_OPTION_REG 0x62
-#define REDUCE_TCCDEBOUNCE_TO_2MS BIT(2)
-
-#define TYPE_C_SBU_CFG_REG 0x6A
-#define SEL_SBU1_ISRC_VAL 0x04
-#define SEL_SBU2_ISRC_VAL 0x01
-
-#define TYPEC_U_USB_CFG_REG 0x70
-#define EN_MICRO_USB_FACTORY_MODE BIT(1)
-#define EN_MICRO_USB_MODE BIT(0)
-
-#define TYPEC_PMI632_U_USB_WATER_PROTECTION_CFG_REG 0x72
-
-#define TYPEC_U_USB_WATER_PROTECTION_CFG_REG 0x73
-#define EN_MICRO_USB_WATER_PROTECTION BIT(4)
-#define MICRO_USB_DETECTION_ON_TIME_CFG_MASK GENMASK(3, 2)
-#define MICRO_USB_DETECTION_PERIOD_CFG_MASK GENMASK(1, 0)
-
-#define TYPEC_PMI632_MICRO_USB_MODE_REG 0x73
-#define MICRO_USB_MODE_ONLY BIT(0)
-
-/* Interrupt numbers */
-#define PMIC_TYPEC_OR_RID_IRQ 0x0
-#define PMIC_TYPEC_VPD_IRQ 0x1
-#define PMIC_TYPEC_CC_STATE_IRQ 0x2
-#define PMIC_TYPEC_VCONN_OC_IRQ 0x3
-#define PMIC_TYPEC_VBUS_IRQ 0x4
-#define PMIC_TYPEC_ATTACH_DETACH_IRQ 0x5
-#define PMIC_TYPEC_LEGACY_CABLE_IRQ 0x6
-#define PMIC_TYPEC_TRY_SNK_SRC_IRQ 0x7
-
/* Resources */
#define PMIC_TYPEC_MAX_IRQS 0x08
@@ -156,40 +19,17 @@ struct pmic_typec_port_irq_params {
struct pmic_typec_port_resources {
unsigned int nr_irqs;
- struct pmic_typec_port_irq_params irq_params[PMIC_TYPEC_MAX_IRQS];
+ const struct pmic_typec_port_irq_params irq_params[PMIC_TYPEC_MAX_IRQS];
};
/* API */
-struct pmic_typec;
-struct pmic_typec_port *qcom_pmic_typec_port_alloc(struct device *dev);
+extern const struct pmic_typec_port_resources pm8150b_port_res;
int qcom_pmic_typec_port_probe(struct platform_device *pdev,
- struct pmic_typec_port *pmic_typec_port,
- struct pmic_typec_port_resources *res,
+ struct pmic_typec *tcpm,
+ const struct pmic_typec_port_resources *res,
struct regmap *regmap,
u32 base);
-int qcom_pmic_typec_port_start(struct pmic_typec_port *pmic_typec_port,
- struct tcpm_port *tcpm_port);
-
-void qcom_pmic_typec_port_stop(struct pmic_typec_port *pmic_typec_port);
-
-int qcom_pmic_typec_port_get_cc(struct pmic_typec_port *pmic_typec_port,
- enum typec_cc_status *cc1,
- enum typec_cc_status *cc2);
-
-int qcom_pmic_typec_port_set_cc(struct pmic_typec_port *pmic_typec_port,
- enum typec_cc_status cc);
-
-int qcom_pmic_typec_port_get_vbus(struct pmic_typec_port *pmic_typec_port);
-
-int qcom_pmic_typec_port_set_vconn(struct pmic_typec_port *pmic_typec_port, bool on);
-
-int qcom_pmic_typec_port_start_toggling(struct pmic_typec_port *pmic_typec_port,
- enum typec_port_type port_type,
- enum typec_cc_status cc);
-
-int qcom_pmic_typec_port_set_vbus(struct pmic_typec_port *pmic_typec_port, bool on);
-
#endif /* __QCOM_PMIC_TYPE_C_PORT_H__ */
--
GitLab
From 174657478cd8425288aeabf93b964b9387e096fa Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:15 +0100
Subject: [PATCH 0174/2686] vgacon: inline vc_scrolldelta_helper() into
vgacon_scrolldelta()
Since commit 74d58cd48a8f ("USB: sisusbvga: remove console support"),
vgacon_scrolldelta() is the only user of vc_scrolldelta_helper().
Inline the helper into vgacon_scrolldelta() and drop it.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-2-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 40 ----------------------------------
drivers/video/console/vgacon.c | 36 ++++++++++++++++++++++++++++--
include/linux/vt_kern.h | 3 ---
3 files changed, 34 insertions(+), 45 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 156efda7c80d6..3f3f7c2168193 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -4748,43 +4748,3 @@ void vcs_scr_updated(struct vc_data *vc)
{
notify_update(vc);
}
-
-void vc_scrolldelta_helper(struct vc_data *c, int lines,
- unsigned int rolled_over, void *base, unsigned int size)
-{
- unsigned long ubase = (unsigned long)base;
- ptrdiff_t scr_end = (void *)c->vc_scr_end - base;
- ptrdiff_t vorigin = (void *)c->vc_visible_origin - base;
- ptrdiff_t origin = (void *)c->vc_origin - base;
- int margin = c->vc_size_row * 4;
- int from, wrap, from_off, avail;
-
- /* Turn scrollback off */
- if (!lines) {
- c->vc_visible_origin = c->vc_origin;
- return;
- }
-
- /* Do we have already enough to allow jumping from 0 to the end? */
- if (rolled_over > scr_end + margin) {
- from = scr_end;
- wrap = rolled_over + c->vc_size_row;
- } else {
- from = 0;
- wrap = size;
- }
-
- from_off = (vorigin - from + wrap) % wrap + lines * c->vc_size_row;
- avail = (origin - from + wrap) % wrap;
-
- /* Only a little piece would be left? Show all incl. the piece! */
- if (avail < 2 * margin)
- margin = 0;
- if (from_off < margin)
- from_off = 0;
- if (from_off > avail - margin)
- from_off = avail;
-
- c->vc_visible_origin = ubase + (from + from_off) % wrap;
-}
-EXPORT_SYMBOL_GPL(vc_scrolldelta_helper);
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 8ef1579fa57fd..9176fff9ce6e5 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -138,8 +138,40 @@ static inline void vga_set_mem_top(struct vc_data *c)
static void vgacon_scrolldelta(struct vc_data *c, int lines)
{
- vc_scrolldelta_helper(c, lines, vga_rolled_over, (void *)vga_vram_base,
- vga_vram_size);
+ unsigned long scr_end = c->vc_scr_end - vga_vram_base;
+ unsigned long vorigin = c->vc_visible_origin - vga_vram_base;
+ unsigned long origin = c->vc_origin - vga_vram_base;
+ int margin = c->vc_size_row * 4;
+ int from, wrap, from_off, avail;
+
+ /* Turn scrollback off */
+ if (!lines) {
+ c->vc_visible_origin = c->vc_origin;
+ return;
+ }
+
+ /* Do we have already enough to allow jumping from 0 to the end? */
+ if (vga_rolled_over > scr_end + margin) {
+ from = scr_end;
+ wrap = vga_rolled_over + c->vc_size_row;
+ } else {
+ from = 0;
+ wrap = vga_vram_size;
+ }
+
+ from_off = (vorigin - from + wrap) % wrap + lines * c->vc_size_row;
+ avail = (origin - from + wrap) % wrap;
+
+ /* Only a little piece would be left? Show all incl. the piece! */
+ if (avail < 2 * margin)
+ margin = 0;
+ if (from_off < margin)
+ from_off = 0;
+ if (from_off > avail - margin)
+ from_off = avail;
+
+ c->vc_visible_origin = vga_vram_base + (from + from_off) % wrap;
+
vga_set_mem_top(c);
}
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index c1f5aebef1705..a789ea3ed2a07 100644
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -168,7 +168,4 @@ void vt_set_led_state(unsigned int console, int leds);
void vt_kbd_con_start(unsigned int console);
void vt_kbd_con_stop(unsigned int console);
-void vc_scrolldelta_helper(struct vc_data *c, int lines,
- unsigned int rolled_over, void *_base, unsigned int size);
-
#endif /* _VT_KERN_H */
--
GitLab
From b041c60590ddb891e361468494c5f6d10305d893 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:16 +0100
Subject: [PATCH 0175/2686] fbcon: make display_desc a static array in
fbcon_startup()
display_desc is a pointer to a RO string. Instead, switch display_desc
to a static array as we are used to. It BTW saves unnecessary 8B on the
stack.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-3-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/video/fbdev/core/fbcon.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 63af6ab034b5f..a8c32cb4c8780 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -921,7 +921,7 @@ static void display_to_var(struct fb_var_screeninfo *var,
static const char *fbcon_startup(void)
{
- const char *display_desc = "frame buffer device";
+ static const char display_desc[] = "frame buffer device";
struct fbcon_display *p = &fb_display[fg_console];
struct vc_data *vc = vc_cons[fg_console].d;
const struct font_desc *font = NULL;
--
GitLab
From 0e6a92f67c8a94707f7bb27ac29e2bdf3e7c167d Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:17 +0100
Subject: [PATCH 0176/2686] tty: vt: fix 20 vs 0x20 typo in EScsiignore
The if (c >= 20 && c <= 0x3f) test added in commit 7a99565f8732 is
wrong. 20 is DC4 in ascii and it makes no sense to consider that as the
bottom limit. Instead, it should be 0x20 as in the other test in
the commit above. This is supposed to NOT change anything as we handle
interesting 20-0x20 asciis far before this if.
So for sakeness, change to 0x20 (which is SPACE).
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Fixes: 7a99565f8732 ("vt: ignore csi sequences with intermediate characters.")
Cc: Martin Hostettler <textshell@uchuujin.de>
Link: https://lore.kernel.org/all/ZaP45QY2WEsDqoxg@neutronstar.dyndns.org/
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-4-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 3f3f7c2168193..55ce6cdecbca0 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2469,7 +2469,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
}
return;
case EScsiignore:
- if (c >= 20 && c <= 0x3f)
+ if (c >= 0x20 && c <= 0x3f)
return;
vc->vc_state = ESnormal;
return;
--
GitLab
From b3dd9bef75b626cebc3b4720df3c5c010d6a29aa Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:18 +0100
Subject: [PATCH 0177/2686] tty: vt: expect valid vc when in tty ops
At least since commits feebed6515a1 ("tty: shutdown method") and
bc1e99d93f09 ("TTY: vt, add ->install"), tty->driver_data in vc is
expected to be set since tty_operations::install() till ::cleanup().
So the checks of !tty->driver_data (aka !vc) in:
* vc_do_resize() by tty -> ioctl(TIOCSWINSZ) -> vt_resize()
* do_con_write() by tty -> tty_operations::write()/::put_char()
* con_flush_chars() by tty -> ::flush_chars()
are all superfluous. And also, holding a console lock is not needed to
fetch tty->driver_data.
Note there is even a stale comment in con_flush_chars() about a race
between that and con_close(). But con_close() does not set
tty->driver_data to NULL for years already.
Drop all these in a hope I am not terribly mistaken.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-5-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 19 +++----------------
1 file changed, 3 insertions(+), 16 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 55ce6cdecbca0..e131edea00daf 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1154,9 +1154,6 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
WARN_CONSOLE_UNLOCKED();
- if (!vc)
- return -ENXIO;
-
user = vc->vc_resize_user;
vc->vc_resize_user = 0;
@@ -2852,7 +2849,7 @@ static int do_con_write(struct tty_struct *tty, const u8 *buf, int count)
};
int c, tc, n = 0;
unsigned int currcons;
- struct vc_data *vc;
+ struct vc_data *vc = tty->driver_data;
struct vt_notifier_param param;
bool rescan;
@@ -2860,13 +2857,6 @@ static int do_con_write(struct tty_struct *tty, const u8 *buf, int count)
return count;
console_lock();
- vc = tty->driver_data;
- if (vc == NULL) {
- pr_err("vt: argh, driver_data is NULL !\n");
- console_unlock();
- return 0;
- }
-
currcons = vc->vc_num;
if (!vc_cons_allocated(currcons)) {
/* could this happen? */
@@ -3312,16 +3302,13 @@ static void con_start(struct tty_struct *tty)
static void con_flush_chars(struct tty_struct *tty)
{
- struct vc_data *vc;
+ struct vc_data *vc = tty->driver_data;
if (in_interrupt()) /* from flush_to_ldisc */
return;
- /* if we race with con_close(), vt may be null */
console_lock();
- vc = tty->driver_data;
- if (vc)
- set_cursor(vc);
+ set_cursor(vc);
console_unlock();
}
--
GitLab
From a0b8a1681254346010edd2f94e799fb6b6568cf1 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:19 +0100
Subject: [PATCH 0178/2686] tty: vt: pass proper pointers from tioclinux()
Pass proper types and proper pointers (the data with an offset) to the
TIOCL_* handlers. So that they need not to cast or add anything to the
passed pointer.
This makes obvious what is passed/consumed.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-6-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/selection.c | 8 ++++----
drivers/tty/vt/vt.c | 19 ++++++++++---------
include/linux/selection.h | 2 +-
3 files changed, 15 insertions(+), 14 deletions(-)
diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c
index 8967c3a0d9169..e172ede235a09 100644
--- a/drivers/tty/vt/selection.c
+++ b/drivers/tty/vt/selection.c
@@ -7,7 +7,7 @@
* 'int set_selection_kernel(struct tiocl_selection *, struct tty_struct *)'
* 'void clear_selection(void)'
* 'int paste_selection(struct tty_struct *)'
- * 'int sel_loadlut(char __user *)'
+ * 'int sel_loadlut(u32 __user *)'
*
* Now that /dev/vcs exists, most of this can disappear again.
*/
@@ -111,15 +111,15 @@ static inline int inword(const u32 c)
/**
* sel_loadlut() - load the LUT table
- * @p: user table
+ * @lut: user table
*
* Load the LUT table from user space. The caller must hold the console
* lock. Make a temporary copy so a partial update doesn't make a mess.
*/
-int sel_loadlut(char __user *p)
+int sel_loadlut(u32 __user *lut)
{
u32 tmplut[ARRAY_SIZE(inwordLut)];
- if (copy_from_user(tmplut, (u32 __user *)(p+4), sizeof(inwordLut)))
+ if (copy_from_user(tmplut, lut, sizeof(inwordLut)))
return -EFAULT;
memcpy(inwordLut, tmplut, sizeof(inwordLut));
return 0;
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index e131edea00daf..079dbff562fd2 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -145,7 +145,7 @@ static void gotoxy(struct vc_data *vc, int new_x, int new_y);
static void save_cur(struct vc_data *vc);
static void reset_terminal(struct vc_data *vc, int do_clear);
static void con_flush_chars(struct tty_struct *tty);
-static int set_vesa_blanking(char __user *p);
+static int set_vesa_blanking(u8 __user *mode);
static void set_cursor(struct vc_data *vc);
static void hide_cursor(struct vc_data *vc);
static void console_callback(struct work_struct *ignored);
@@ -3134,6 +3134,8 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
{
char type, data;
char __user *p = (char __user *)arg;
+ void __user *param_aligned32 = (u32 __user *)arg + 1;
+ void __user *param = (void __user *)arg + 1;
int lines;
int ret;
@@ -3147,8 +3149,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
case TIOCL_SETSEL:
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- return set_selection_user((struct tiocl_selection
- __user *)(p+1), tty);
+ return set_selection_user(param, tty);
case TIOCL_PASTESEL:
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -3162,7 +3163,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
console_lock();
- ret = sel_loadlut(p);
+ ret = sel_loadlut(param_aligned32);
console_unlock();
break;
case TIOCL_GETSHIFTSTATE:
@@ -3181,7 +3182,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
return put_user(data, p);
case TIOCL_SETVESABLANK:
console_lock();
- ret = set_vesa_blanking(p);
+ ret = set_vesa_blanking(param);
console_unlock();
break;
case TIOCL_GETKMSGREDIRECT:
@@ -3204,7 +3205,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
*/
return fg_console;
case TIOCL_SCROLLCONSOLE:
- if (get_user(lines, (s32 __user *)(p+4)))
+ if (get_user(lines, (s32 __user *)param_aligned32))
return -EFAULT;
/*
@@ -4262,11 +4263,11 @@ postcore_initcall(vtconsole_class_init);
* Screen blanking
*/
-static int set_vesa_blanking(char __user *p)
+static int set_vesa_blanking(u8 __user *mode_user)
{
- unsigned int mode;
+ u8 mode;
- if (get_user(mode, p + 1))
+ if (get_user(mode, mode_user))
return -EFAULT;
vesa_blank_mode = (mode < 4) ? mode : 0;
diff --git a/include/linux/selection.h b/include/linux/selection.h
index 170ef28ff26b9..b7cd23e56a2b2 100644
--- a/include/linux/selection.h
+++ b/include/linux/selection.h
@@ -20,7 +20,7 @@ extern int set_selection_user(const struct tiocl_selection __user *sel,
extern int set_selection_kernel(struct tiocl_selection *v,
struct tty_struct *tty);
extern int paste_selection(struct tty_struct *tty);
-extern int sel_loadlut(char __user *p);
+extern int sel_loadlut(u32 __user *lut);
extern int mouse_reporting(void);
extern void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry);
--
GitLab
From d321cd13f6dca3c1b0e9e9735901fb5eee7a501c Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:20 +0100
Subject: [PATCH 0179/2686] tty: vt: push console lock from tioclinux() down to
2 functions
Avoid costly user copies under the console lock. So push the lock down
from tioclinux() to sel_loadlut() and set_vesa_blanking().
It is now obvious what is actually protected.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-7-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/selection.c | 11 +++++++++--
drivers/tty/vt/vt.c | 13 +++++--------
2 files changed, 14 insertions(+), 10 deletions(-)
diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c
index e172ede235a09..91d789c025c6c 100644
--- a/drivers/tty/vt/selection.c
+++ b/drivers/tty/vt/selection.c
@@ -113,15 +113,22 @@ static inline int inword(const u32 c)
* sel_loadlut() - load the LUT table
* @lut: user table
*
- * Load the LUT table from user space. The caller must hold the console
- * lock. Make a temporary copy so a partial update doesn't make a mess.
+ * Load the LUT table from user space. Make a temporary copy so a partial
+ * update doesn't make a mess.
+ *
+ * Locking: The console lock is acquired.
*/
int sel_loadlut(u32 __user *lut)
{
u32 tmplut[ARRAY_SIZE(inwordLut)];
+
if (copy_from_user(tmplut, lut, sizeof(inwordLut)))
return -EFAULT;
+
+ console_lock();
memcpy(inwordLut, tmplut, sizeof(inwordLut));
+ console_unlock();
+
return 0;
}
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 079dbff562fd2..3a6f60ad2224c 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -3162,10 +3162,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
case TIOCL_SELLOADLUT:
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- console_lock();
- ret = sel_loadlut(param_aligned32);
- console_unlock();
- break;
+ return sel_loadlut(param_aligned32);
case TIOCL_GETSHIFTSTATE:
/*
* Make it possible to react to Shift+Mousebutton. Note that
@@ -3181,10 +3178,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
console_unlock();
return put_user(data, p);
case TIOCL_SETVESABLANK:
- console_lock();
- ret = set_vesa_blanking(param);
- console_unlock();
- break;
+ return set_vesa_blanking(param);
case TIOCL_GETKMSGREDIRECT:
data = vt_get_kmsg_redirect();
return put_user(data, p);
@@ -4270,7 +4264,10 @@ static int set_vesa_blanking(u8 __user *mode_user)
if (get_user(mode, mode_user))
return -EFAULT;
+ console_lock();
vesa_blank_mode = (mode < 4) ? mode : 0;
+ console_unlock();
+
return 0;
}
--
GitLab
From beccdcfa15666c442ce79a5f963fcb34ec28084e Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:21 +0100
Subject: [PATCH 0180/2686] tty: vt: pass vc_resize_user as a parameter
It is pretty unfortunate to set vc_data::vc_resize_user in two callers
of vc_do_resize(). vc_resize_user is immediately reset there (while
remembering it). So instead of this back and forth, pass 'from_user' as
a parameter.
Notes on 'int user':
* The name changes from 'user' to 'from_user' on some places to be
consistent.
* The type is bool now as 'int user' might evoke user's uid or whatever.
Provided vc_resize() is called on many places and they need not to care
about this parameter, its prototype is kept unchanged. Instead, it is
now an inline calling a new __vc_resize() which implements the above.
This patch makes the situation much more obvious.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-8-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 28 +++++++++++++---------------
drivers/tty/vt/vt_ioctl.c | 6 ++----
drivers/video/console/vgacon.c | 4 ++--
drivers/video/fbdev/core/fbcon.c | 2 +-
include/linux/console.h | 2 +-
include/linux/console_struct.h | 1 -
include/linux/vt_kern.h | 9 ++++++++-
7 files changed, 27 insertions(+), 25 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 3a6f60ad2224c..c878373060747 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1115,13 +1115,13 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */
}
static inline int resize_screen(struct vc_data *vc, int width, int height,
- int user)
+ bool from_user)
{
/* Resizes the resolution of the display adapater */
int err = 0;
if (vc->vc_sw->con_resize)
- err = vc->vc_sw->con_resize(vc, width, height, user);
+ err = vc->vc_sw->con_resize(vc, width, height, from_user);
return err;
}
@@ -1132,6 +1132,7 @@ static inline int resize_screen(struct vc_data *vc, int width, int height,
* @vc: virtual console private data
* @cols: columns
* @lines: lines
+ * @from_user: invoked by a user?
*
* Resize a virtual console, clipping according to the actual constraints.
* If the caller passes a tty structure then update the termios winsize
@@ -1142,21 +1143,17 @@ static inline int resize_screen(struct vc_data *vc, int width, int height,
*/
static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
- unsigned int cols, unsigned int lines)
+ unsigned int cols, unsigned int lines, bool from_user)
{
unsigned long old_origin, new_origin, new_scr_end, rlth, rrem, err = 0;
unsigned long end;
unsigned int old_rows, old_row_size, first_copied_row;
unsigned int new_cols, new_rows, new_row_size, new_screen_size;
- unsigned int user;
unsigned short *oldscreen, *newscreen;
u32 **new_uniscr = NULL;
WARN_CONSOLE_UNLOCKED();
- user = vc->vc_resize_user;
- vc->vc_resize_user = 0;
-
if (cols > VC_MAXCOL || lines > VC_MAXROW)
return -EINVAL;
@@ -1182,7 +1179,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
* to deal with possible errors from the code below, we call
* the resize_screen here as well.
*/
- return resize_screen(vc, new_cols, new_rows, user);
+ return resize_screen(vc, new_cols, new_rows, from_user);
}
if (new_screen_size > KMALLOC_MAX_SIZE || !new_screen_size)
@@ -1205,7 +1202,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
old_rows = vc->vc_rows;
old_row_size = vc->vc_size_row;
- err = resize_screen(vc, new_cols, new_rows, user);
+ err = resize_screen(vc, new_cols, new_rows, from_user);
if (err) {
kfree(newscreen);
vc_uniscr_free(new_uniscr);
@@ -1292,22 +1289,23 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
}
/**
- * vc_resize - resize a VT
+ * __vc_resize - resize a VT
* @vc: virtual console
* @cols: columns
* @rows: rows
+ * @from_user: invoked by a user?
*
* Resize a virtual console as seen from the console end of things. We
* use the common vc_do_resize methods to update the structures. The
* caller must hold the console sem to protect console internals and
* vc->port.tty
*/
-
-int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int rows)
+int __vc_resize(struct vc_data *vc, unsigned int cols, unsigned int rows,
+ bool from_user)
{
- return vc_do_resize(vc->port.tty, vc, cols, rows);
+ return vc_do_resize(vc->port.tty, vc, cols, rows, from_user);
}
-EXPORT_SYMBOL(vc_resize);
+EXPORT_SYMBOL(__vc_resize);
/**
* vt_resize - resize a VT
@@ -1327,7 +1325,7 @@ static int vt_resize(struct tty_struct *tty, struct winsize *ws)
int ret;
console_lock();
- ret = vc_do_resize(tty, vc, ws->ws_col, ws->ws_row);
+ ret = vc_do_resize(tty, vc, ws->ws_col, ws->ws_row, false);
console_unlock();
return ret;
}
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index 8c685b5014044..4b91072f3a4e9 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -714,8 +714,7 @@ static int vt_resizex(struct vc_data *vc, struct vt_consize __user *cs)
vcp->vc_scan_lines = v.v_vlin;
if (v.v_clin)
vcp->vc_cell_height = v.v_clin;
- vcp->vc_resize_user = 1;
- ret = vc_resize(vcp, v.v_cols, v.v_rows);
+ ret = __vc_resize(vcp, v.v_cols, v.v_rows, true);
if (ret) {
vcp->vc_scan_lines = save_scan_lines;
vcp->vc_cell_height = save_cell_height;
@@ -923,9 +922,8 @@ int vt_ioctl(struct tty_struct *tty,
vc = vc_cons[i].d;
if (vc) {
- vc->vc_resize_user = 1;
/* FIXME: review v tty lock */
- vc_resize(vc_cons[i].d, cc, ll);
+ __vc_resize(vc_cons[i].d, cc, ll, true);
}
}
console_unlock();
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 9176fff9ce6e5..0c76e2817b49d 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -1081,12 +1081,12 @@ static int vgacon_font_get(struct vc_data *c, struct console_font *font, unsigne
}
static int vgacon_resize(struct vc_data *c, unsigned int width,
- unsigned int height, unsigned int user)
+ unsigned int height, bool from_user)
{
if ((width << 1) * height > vga_vram_size)
return -EINVAL;
- if (user) {
+ if (from_user) {
/*
* Ho ho! Someone (svgatextmode, eh?) may have reprogrammed
* the video mode! Set the new defaults then and go away.
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index a8c32cb4c8780..dd2f4617485c5 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -1996,7 +1996,7 @@ static void updatescrollmode(struct fbcon_display *p,
#define CALC_FONTSZ(h, p, c) ((h) * (p) * (c)) /* size = height * pitch * charcount */
static int fbcon_resize(struct vc_data *vc, unsigned int width,
- unsigned int height, unsigned int user)
+ unsigned int height, bool from_user)
{
struct fb_info *info = fbcon_info_from_console(vc->vc_num);
struct fbcon_ops *ops = info->fbcon_par;
diff --git a/include/linux/console.h b/include/linux/console.h
index 779d388af8a0a..38b379d6c6244 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -66,7 +66,7 @@ struct consw {
int (*con_font_default)(struct vc_data *vc,
struct console_font *font, char *name);
int (*con_resize)(struct vc_data *vc, unsigned int width,
- unsigned int height, unsigned int user);
+ unsigned int height, bool from_user);
void (*con_set_palette)(struct vc_data *vc,
const unsigned char *table);
void (*con_scrolldelta)(struct vc_data *vc, int lines);
diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h
index 539f1cd453094..20f564e985523 100644
--- a/include/linux/console_struct.h
+++ b/include/linux/console_struct.h
@@ -151,7 +151,6 @@ struct vc_data {
DECLARE_BITMAP(vc_tab_stop, VC_TABSTOPS_COUNT); /* Tab stops. 256 columns. */
unsigned char vc_palette[16*3]; /* Colour palette for VGA+ */
unsigned short * vc_translate;
- unsigned int vc_resize_user; /* resize request from user */
unsigned int vc_bell_pitch; /* Console bell pitch */
unsigned int vc_bell_duration; /* Console bell duration */
unsigned short vc_cur_blink_ms; /* Cursor blink duration */
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index a789ea3ed2a07..d008c3d0a9bbf 100644
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -25,7 +25,8 @@ extern int fg_console, last_console, want_console;
int vc_allocate(unsigned int console);
int vc_cons_allocated(unsigned int console);
-int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines);
+int __vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines,
+ bool from_user);
struct vc_data *vc_deallocate(unsigned int console);
void reset_palette(struct vc_data *vc);
void do_blank_screen(int entering_gfx);
@@ -42,6 +43,12 @@ void redraw_screen(struct vc_data *vc, int is_switch);
#define update_screen(x) redraw_screen(x, 0)
#define switch_screen(x) redraw_screen(x, 1)
+static inline int vc_resize(struct vc_data *vc, unsigned int cols,
+ unsigned int lines)
+{
+ return __vc_resize(vc, cols, lines, false);
+}
+
struct tty_struct;
int tioclinux(struct tty_struct *tty, unsigned long arg);
--
GitLab
From d4c0c481e49fdf483c43e13e4a419ea19c045023 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:22 +0100
Subject: [PATCH 0181/2686] tty: vt: make vc_is_sel()'s vc const
It's only an aid to people reading the header and/or calling
vc_is_sel(). vc is only tested there, so having it const makes sense.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-9-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/selection.c | 2 +-
include/linux/selection.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c
index 91d789c025c6c..34ee09f5a8f45 100644
--- a/drivers/tty/vt/selection.c
+++ b/drivers/tty/vt/selection.c
@@ -88,7 +88,7 @@ void clear_selection(void)
}
EXPORT_SYMBOL_GPL(clear_selection);
-bool vc_is_sel(struct vc_data *vc)
+bool vc_is_sel(const struct vc_data *vc)
{
return vc == vc_sel.cons;
}
diff --git a/include/linux/selection.h b/include/linux/selection.h
index b7cd23e56a2b2..533509f6ba4fb 100644
--- a/include/linux/selection.h
+++ b/include/linux/selection.h
@@ -24,7 +24,7 @@ extern int sel_loadlut(u32 __user *lut);
extern int mouse_reporting(void);
extern void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry);
-bool vc_is_sel(struct vc_data *vc);
+bool vc_is_sel(const struct vc_data *vc);
extern int console_blanked;
--
GitLab
From 09e7f9f6c576bc5d7cc71c007379ca876db8c858 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:23 +0100
Subject: [PATCH 0182/2686] tty: vt: define an enum for CSI+m codes
It's always confusing to read all those case 0:, case 1: etc. in csi_*
handlers. Define enum entries for all those constants in CSI+m and use
them in csi_m().
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-10-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 98 +++++++++++++++++++++++++++++++--------------
1 file changed, 69 insertions(+), 29 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index c878373060747..b2ba1b943eb65 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1676,6 +1676,39 @@ static int vc_t416_color(struct vc_data *vc, int i,
return i;
}
+enum {
+ CSI_m_DEFAULT = 0,
+ CSI_m_BOLD = 1,
+ CSI_m_HALF_BRIGHT = 2,
+ CSI_m_ITALIC = 3,
+ CSI_m_UNDERLINE = 4,
+ CSI_m_BLINK = 5,
+ CSI_m_REVERSE = 7,
+ CSI_m_PRI_FONT = 10,
+ CSI_m_ALT_FONT1 = 11,
+ CSI_m_ALT_FONT2 = 12,
+ CSI_m_DOUBLE_UNDERLINE = 21,
+ CSI_m_NORMAL_INTENSITY = 22,
+ CSI_m_NO_ITALIC = 23,
+ CSI_m_NO_UNDERLINE = 24,
+ CSI_m_NO_BLINK = 25,
+ CSI_m_NO_REVERSE = 27,
+ CSI_m_FG_COLOR_BEG = 30,
+ CSI_m_FG_COLOR_END = 37,
+ CSI_m_FG_COLOR = 38,
+ CSI_m_DEFAULT_FG_COLOR = 39,
+ CSI_m_BG_COLOR_BEG = 40,
+ CSI_m_BG_COLOR_END = 47,
+ CSI_m_BG_COLOR = 48,
+ CSI_m_DEFAULT_BG_COLOR = 49,
+ CSI_m_BRIGHT_FG_COLOR_BEG = 90,
+ CSI_m_BRIGHT_FG_COLOR_END = 97,
+ CSI_m_BRIGHT_FG_COLOR_OFF = CSI_m_BRIGHT_FG_COLOR_BEG - CSI_m_FG_COLOR_BEG,
+ CSI_m_BRIGHT_BG_COLOR_BEG = 100,
+ CSI_m_BRIGHT_BG_COLOR_END = 107,
+ CSI_m_BRIGHT_BG_COLOR_OFF = CSI_m_BRIGHT_BG_COLOR_BEG - CSI_m_BG_COLOR_BEG,
+};
+
/* console_lock is held */
static void csi_m(struct vc_data *vc)
{
@@ -1683,33 +1716,33 @@ static void csi_m(struct vc_data *vc)
for (i = 0; i <= vc->vc_npar; i++)
switch (vc->vc_par[i]) {
- case 0: /* all attributes off */
+ case CSI_m_DEFAULT: /* all attributes off */
default_attr(vc);
break;
- case 1:
+ case CSI_m_BOLD:
vc->state.intensity = VCI_BOLD;
break;
- case 2:
+ case CSI_m_HALF_BRIGHT:
vc->state.intensity = VCI_HALF_BRIGHT;
break;
- case 3:
+ case CSI_m_ITALIC:
vc->state.italic = true;
break;
- case 21:
+ case CSI_m_DOUBLE_UNDERLINE:
/*
* No console drivers support double underline, so
* convert it to a single underline.
*/
- case 4:
+ case CSI_m_UNDERLINE:
vc->state.underline = true;
break;
- case 5:
+ case CSI_m_BLINK:
vc->state.blink = true;
break;
- case 7:
+ case CSI_m_REVERSE:
vc->state.reverse = true;
break;
- case 10: /* ANSI X3.64-1979 (SCO-ish?)
+ case CSI_m_PRI_FONT: /* ANSI X3.64-1979 (SCO-ish?)
* Select primary font, don't display control chars if
* defined, don't set bit 8 on output.
*/
@@ -1717,7 +1750,7 @@ static void csi_m(struct vc_data *vc)
vc->vc_disp_ctrl = 0;
vc->vc_toggle_meta = 0;
break;
- case 11: /* ANSI X3.64-1979 (SCO-ish?)
+ case CSI_m_ALT_FONT1: /* ANSI X3.64-1979 (SCO-ish?)
* Select first alternate font, lets chars < 32 be
* displayed as ROM chars.
*/
@@ -1725,7 +1758,7 @@ static void csi_m(struct vc_data *vc)
vc->vc_disp_ctrl = 1;
vc->vc_toggle_meta = 0;
break;
- case 12: /* ANSI X3.64-1979 (SCO-ish?)
+ case CSI_m_ALT_FONT2: /* ANSI X3.64-1979 (SCO-ish?)
* Select second alternate font, toggle high bit
* before displaying as ROM char.
*/
@@ -1733,47 +1766,54 @@ static void csi_m(struct vc_data *vc)
vc->vc_disp_ctrl = 1;
vc->vc_toggle_meta = 1;
break;
- case 22:
+ case CSI_m_NORMAL_INTENSITY:
vc->state.intensity = VCI_NORMAL;
break;
- case 23:
+ case CSI_m_NO_ITALIC:
vc->state.italic = false;
break;
- case 24:
+ case CSI_m_NO_UNDERLINE:
vc->state.underline = false;
break;
- case 25:
+ case CSI_m_NO_BLINK:
vc->state.blink = false;
break;
- case 27:
+ case CSI_m_NO_REVERSE:
vc->state.reverse = false;
break;
- case 38:
+ case CSI_m_FG_COLOR:
i = vc_t416_color(vc, i, rgb_foreground);
break;
- case 48:
+ case CSI_m_BG_COLOR:
i = vc_t416_color(vc, i, rgb_background);
break;
- case 39:
+ case CSI_m_DEFAULT_FG_COLOR:
vc->state.color = (vc->vc_def_color & 0x0f) |
(vc->state.color & 0xf0);
break;
- case 49:
+ case CSI_m_DEFAULT_BG_COLOR:
vc->state.color = (vc->vc_def_color & 0xf0) |
(vc->state.color & 0x0f);
break;
default:
- if (vc->vc_par[i] >= 90 && vc->vc_par[i] <= 107) {
- if (vc->vc_par[i] < 100)
+ if (vc->vc_par[i] >= CSI_m_BRIGHT_FG_COLOR_BEG &&
+ vc->vc_par[i] <= CSI_m_BRIGHT_BG_COLOR_END) {
+ if (vc->vc_par[i] < CSI_m_BRIGHT_BG_COLOR_BEG)
vc->state.intensity = VCI_BOLD;
- vc->vc_par[i] -= 60;
+ vc->vc_par[i] -= CSI_m_BRIGHT_FG_COLOR_OFF;
}
- if (vc->vc_par[i] >= 30 && vc->vc_par[i] <= 37)
- vc->state.color = color_table[vc->vc_par[i] - 30]
- | (vc->state.color & 0xf0);
- else if (vc->vc_par[i] >= 40 && vc->vc_par[i] <= 47)
- vc->state.color = (color_table[vc->vc_par[i] - 40] << 4)
- | (vc->state.color & 0x0f);
+ if (vc->vc_par[i] >= CSI_m_FG_COLOR_BEG &&
+ vc->vc_par[i] <= CSI_m_FG_COLOR_END) {
+ vc->vc_par[i] -= CSI_m_FG_COLOR_BEG;
+ vc->state.color = color_table[vc->vc_par[i]] |
+ (vc->state.color & 0xf0);
+ } else if (vc->vc_par[i] >= CSI_m_BG_COLOR_BEG &&
+ vc->vc_par[i] <= CSI_m_BG_COLOR_END) {
+ vc->vc_par[i] -= CSI_m_BG_COLOR_BEG;
+ vc->state.color = (color_table[vc->vc_par[i]] << 4) |
+ (vc->state.color & 0x0f);
+ }
+
break;
}
update_attr(vc);
--
GitLab
From 76ec3a7a51ea3bfcb57a2e736468fdd621c7c396 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:24 +0100
Subject: [PATCH 0183/2686] tty: vt: use case ranges for CSI+m fg/bg colors
Replacing the default case with the iffery by case ranges makes the code
more understandable at last.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-11-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 35 ++++++++++++++++-------------------
1 file changed, 16 insertions(+), 19 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index b2ba1b943eb65..66ebc90a9fe9a 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1795,25 +1795,22 @@ static void csi_m(struct vc_data *vc)
vc->state.color = (vc->vc_def_color & 0xf0) |
(vc->state.color & 0x0f);
break;
- default:
- if (vc->vc_par[i] >= CSI_m_BRIGHT_FG_COLOR_BEG &&
- vc->vc_par[i] <= CSI_m_BRIGHT_BG_COLOR_END) {
- if (vc->vc_par[i] < CSI_m_BRIGHT_BG_COLOR_BEG)
- vc->state.intensity = VCI_BOLD;
- vc->vc_par[i] -= CSI_m_BRIGHT_FG_COLOR_OFF;
- }
- if (vc->vc_par[i] >= CSI_m_FG_COLOR_BEG &&
- vc->vc_par[i] <= CSI_m_FG_COLOR_END) {
- vc->vc_par[i] -= CSI_m_FG_COLOR_BEG;
- vc->state.color = color_table[vc->vc_par[i]] |
- (vc->state.color & 0xf0);
- } else if (vc->vc_par[i] >= CSI_m_BG_COLOR_BEG &&
- vc->vc_par[i] <= CSI_m_BG_COLOR_END) {
- vc->vc_par[i] -= CSI_m_BG_COLOR_BEG;
- vc->state.color = (color_table[vc->vc_par[i]] << 4) |
- (vc->state.color & 0x0f);
- }
-
+ case CSI_m_BRIGHT_FG_COLOR_BEG ... CSI_m_BRIGHT_FG_COLOR_END:
+ vc->state.intensity = VCI_BOLD;
+ vc->vc_par[i] -= CSI_m_BRIGHT_FG_COLOR_OFF;
+ fallthrough;
+ case CSI_m_FG_COLOR_BEG ... CSI_m_FG_COLOR_END:
+ vc->vc_par[i] -= CSI_m_FG_COLOR_BEG;
+ vc->state.color = color_table[vc->vc_par[i]] |
+ (vc->state.color & 0xf0);
+ break;
+ case CSI_m_BRIGHT_BG_COLOR_BEG ... CSI_m_BRIGHT_BG_COLOR_END:
+ vc->vc_par[i] -= CSI_m_BRIGHT_BG_COLOR_OFF;
+ fallthrough;
+ case CSI_m_BG_COLOR_BEG ... CSI_m_BG_COLOR_END:
+ vc->vc_par[i] -= CSI_m_BG_COLOR_BEG;
+ vc->state.color = (color_table[vc->vc_par[i]] << 4) |
+ (vc->state.color & 0x0f);
break;
}
update_attr(vc);
--
GitLab
From 4b8f936185bd0ed319cc0dcedc7ef68cfaed04d3 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:25 +0100
Subject: [PATCH 0184/2686] tty: vt: define an enum for CSI+J codes
Decrypt the constant values by proper enum names. This time in csi_J().
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-12-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 23 +++++++++++++++--------
1 file changed, 15 insertions(+), 8 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 66ebc90a9fe9a..85e89fb9b2075 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1498,13 +1498,20 @@ static inline void del(struct vc_data *vc)
/* ignored */
}
-static void csi_J(struct vc_data *vc, int vpar)
+enum CSI_J {
+ CSI_J_CURSOR_TO_END = 0,
+ CSI_J_START_TO_CURSOR = 1,
+ CSI_J_VISIBLE = 2,
+ CSI_J_FULL = 3,
+};
+
+static void csi_J(struct vc_data *vc, enum CSI_J vpar)
{
unsigned int count;
unsigned short * start;
switch (vpar) {
- case 0: /* erase from cursor to end of display */
+ case CSI_J_CURSOR_TO_END:
vc_uniscr_clear_line(vc, vc->state.x,
vc->vc_cols - vc->state.x);
vc_uniscr_clear_lines(vc, vc->state.y + 1,
@@ -1512,16 +1519,16 @@ static void csi_J(struct vc_data *vc, int vpar)
count = (vc->vc_scr_end - vc->vc_pos) >> 1;
start = (unsigned short *)vc->vc_pos;
break;
- case 1: /* erase from start to cursor */
+ case CSI_J_START_TO_CURSOR:
vc_uniscr_clear_line(vc, 0, vc->state.x + 1);
vc_uniscr_clear_lines(vc, 0, vc->state.y);
count = ((vc->vc_pos - vc->vc_origin) >> 1) + 1;
start = (unsigned short *)vc->vc_origin;
break;
- case 3: /* include scrollback */
+ case CSI_J_FULL:
flush_scrollback(vc);
fallthrough;
- case 2: /* erase whole display */
+ case CSI_J_VISIBLE:
vc_uniscr_clear_lines(vc, 0, vc->vc_rows);
count = vc->vc_cols * vc->vc_rows;
start = (unsigned short *)vc->vc_origin;
@@ -2110,7 +2117,7 @@ static void reset_terminal(struct vc_data *vc, int do_clear)
gotoxy(vc, 0, 0);
save_cur(vc);
if (do_clear)
- csi_J(vc, 2);
+ csi_J(vc, CSI_J_VISIBLE);
}
static void vc_setGx(struct vc_data *vc, unsigned int which, int c)
@@ -2526,7 +2533,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
/* DEC screen alignment test. kludge :-) */
vc->vc_video_erase_char =
(vc->vc_video_erase_char & 0xff00) | 'E';
- csi_J(vc, 2);
+ csi_J(vc, CSI_J_VISIBLE);
vc->vc_video_erase_char =
(vc->vc_video_erase_char & 0xff00) | ' ';
do_update_region(vc, vc->vc_origin, vc->vc_screenbuf_size / 2);
@@ -3498,7 +3505,7 @@ static int __init con_init(void)
set_origin(vc);
save_screen(vc);
gotoxy(vc, vc->state.x, vc->state.y);
- csi_J(vc, 0);
+ csi_J(vc, CSI_J_CURSOR_TO_END);
update_screen(vc);
pr_info("Console: %s %s %dx%d\n",
vc->vc_can_do_color ? "colour" : "mono",
--
GitLab
From fe4f6beb59a95a051c226e70fafe87b3de9dd0d0 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:26 +0100
Subject: [PATCH 0185/2686] tty: vt: reflow csi_J()
Push cases one level left, according to coding style. And reorder local
variables.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-13-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 50 ++++++++++++++++++++++-----------------------
1 file changed, 25 insertions(+), 25 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 85e89fb9b2075..bf77d962eeb4a 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1507,34 +1507,34 @@ enum CSI_J {
static void csi_J(struct vc_data *vc, enum CSI_J vpar)
{
+ unsigned short *start;
unsigned int count;
- unsigned short * start;
switch (vpar) {
- case CSI_J_CURSOR_TO_END:
- vc_uniscr_clear_line(vc, vc->state.x,
- vc->vc_cols - vc->state.x);
- vc_uniscr_clear_lines(vc, vc->state.y + 1,
- vc->vc_rows - vc->state.y - 1);
- count = (vc->vc_scr_end - vc->vc_pos) >> 1;
- start = (unsigned short *)vc->vc_pos;
- break;
- case CSI_J_START_TO_CURSOR:
- vc_uniscr_clear_line(vc, 0, vc->state.x + 1);
- vc_uniscr_clear_lines(vc, 0, vc->state.y);
- count = ((vc->vc_pos - vc->vc_origin) >> 1) + 1;
- start = (unsigned short *)vc->vc_origin;
- break;
- case CSI_J_FULL:
- flush_scrollback(vc);
- fallthrough;
- case CSI_J_VISIBLE:
- vc_uniscr_clear_lines(vc, 0, vc->vc_rows);
- count = vc->vc_cols * vc->vc_rows;
- start = (unsigned short *)vc->vc_origin;
- break;
- default:
- return;
+ case CSI_J_CURSOR_TO_END:
+ vc_uniscr_clear_line(vc, vc->state.x,
+ vc->vc_cols - vc->state.x);
+ vc_uniscr_clear_lines(vc, vc->state.y + 1,
+ vc->vc_rows - vc->state.y - 1);
+ count = (vc->vc_scr_end - vc->vc_pos) >> 1;
+ start = (unsigned short *)vc->vc_pos;
+ break;
+ case CSI_J_START_TO_CURSOR:
+ vc_uniscr_clear_line(vc, 0, vc->state.x + 1);
+ vc_uniscr_clear_lines(vc, 0, vc->state.y);
+ count = ((vc->vc_pos - vc->vc_origin) >> 1) + 1;
+ start = (unsigned short *)vc->vc_origin;
+ break;
+ case CSI_J_FULL:
+ flush_scrollback(vc);
+ fallthrough;
+ case CSI_J_VISIBLE:
+ vc_uniscr_clear_lines(vc, 0, vc->vc_rows);
+ count = vc->vc_cols * vc->vc_rows;
+ start = (unsigned short *)vc->vc_origin;
+ break;
+ default:
+ return;
}
scr_memsetw(start, vc->vc_video_erase_char, 2 * count);
if (con_should_update(vc))
--
GitLab
From eb881ebab593fdf8325bb35143e5135dcd7a346b Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:27 +0100
Subject: [PATCH 0186/2686] use clamp() for counts in csi_?() handlers
The count to process is supposed to be between 1 and vc->vc_cols -
vc->state.x (or rows and .y). clamp() can be used exactly for this,
instead of ifs and min().
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-14-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 27 +++++----------------------
1 file changed, 5 insertions(+), 22 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index bf77d962eeb4a..05baf9ca23f24 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1574,12 +1574,7 @@ static void csi_K(struct vc_data *vc, int vpar)
/* erase the following vpar positions */
static void csi_X(struct vc_data *vc, unsigned int vpar)
{ /* not vt100? */
- unsigned int count;
-
- if (!vpar)
- vpar++;
-
- count = min(vpar, vc->vc_cols - vc->state.x);
+ unsigned int count = clamp(vpar, 1, vc->vc_cols - vc->state.x);
vc_uniscr_clear_line(vc, vc->state.x, count);
scr_memsetw((unsigned short *)vc->vc_pos, vc->vc_video_erase_char, 2 * count);
@@ -2010,20 +2005,14 @@ static void setterm_command(struct vc_data *vc)
/* console_lock is held */
static void csi_at(struct vc_data *vc, unsigned int nr)
{
- if (nr > vc->vc_cols - vc->state.x)
- nr = vc->vc_cols - vc->state.x;
- else if (!nr)
- nr = 1;
+ nr = clamp(nr, 1, vc->vc_cols - vc->state.x);
insert_char(vc, nr);
}
/* console_lock is held */
static void csi_L(struct vc_data *vc, unsigned int nr)
{
- if (nr > vc->vc_rows - vc->state.y)
- nr = vc->vc_rows - vc->state.y;
- else if (!nr)
- nr = 1;
+ nr = clamp(nr, 1, vc->vc_rows - vc->state.y);
con_scroll(vc, vc->state.y, vc->vc_bottom, SM_DOWN, nr);
vc->vc_need_wrap = 0;
}
@@ -2031,20 +2020,14 @@ static void csi_L(struct vc_data *vc, unsigned int nr)
/* console_lock is held */
static void csi_P(struct vc_data *vc, unsigned int nr)
{
- if (nr > vc->vc_cols - vc->state.x)
- nr = vc->vc_cols - vc->state.x;
- else if (!nr)
- nr = 1;
+ nr = clamp(nr, 1, vc->vc_cols - vc->state.x);
delete_char(vc, nr);
}
/* console_lock is held */
static void csi_M(struct vc_data *vc, unsigned int nr)
{
- if (nr > vc->vc_rows - vc->state.y)
- nr = vc->vc_rows - vc->state.y;
- else if (!nr)
- nr=1;
+ nr = clamp(nr, 1, vc->vc_rows - vc->state.y);
con_scroll(vc, vc->state.y, vc->vc_bottom, SM_UP, nr);
vc->vc_need_wrap = 0;
}
--
GitLab
From 8e6bd49a6132a6b95aa0bb7b705c9ab535396813 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:28 +0100
Subject: [PATCH 0187/2686] don't pass vc->vc_par[0] to csi_?() handlers
Fetch the value directly in the helpers instead.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-15-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 35 +++++++++++++++++++----------------
1 file changed, 19 insertions(+), 16 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 05baf9ca23f24..16ba3a3666ab8 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1542,13 +1542,13 @@ static void csi_J(struct vc_data *vc, enum CSI_J vpar)
vc->vc_need_wrap = 0;
}
-static void csi_K(struct vc_data *vc, int vpar)
+static void csi_K(struct vc_data *vc)
{
unsigned int count;
unsigned short *start = (unsigned short *)vc->vc_pos;
int offset;
- switch (vpar) {
+ switch (vc->vc_par[0]) {
case 0: /* erase from cursor to end of line */
offset = 0;
count = vc->vc_cols - vc->state.x;
@@ -1571,10 +1571,10 @@ static void csi_K(struct vc_data *vc, int vpar)
do_update_region(vc, (unsigned long)(start + offset), count);
}
-/* erase the following vpar positions */
-static void csi_X(struct vc_data *vc, unsigned int vpar)
+/* erase the following count positions */
+static void csi_X(struct vc_data *vc)
{ /* not vt100? */
- unsigned int count = clamp(vpar, 1, vc->vc_cols - vc->state.x);
+ unsigned int count = clamp(vc->vc_par[0], 1, vc->vc_cols - vc->state.x);
vc_uniscr_clear_line(vc, vc->state.x, count);
scr_memsetw((unsigned short *)vc->vc_pos, vc->vc_video_erase_char, 2 * count);
@@ -2010,24 +2010,27 @@ static void csi_at(struct vc_data *vc, unsigned int nr)
}
/* console_lock is held */
-static void csi_L(struct vc_data *vc, unsigned int nr)
+static void csi_L(struct vc_data *vc)
{
- nr = clamp(nr, 1, vc->vc_rows - vc->state.y);
+ unsigned int nr = clamp(vc->vc_par[0], 1, vc->vc_rows - vc->state.y);
+
con_scroll(vc, vc->state.y, vc->vc_bottom, SM_DOWN, nr);
vc->vc_need_wrap = 0;
}
/* console_lock is held */
-static void csi_P(struct vc_data *vc, unsigned int nr)
+static void csi_P(struct vc_data *vc)
{
- nr = clamp(nr, 1, vc->vc_cols - vc->state.x);
+ unsigned int nr = clamp(vc->vc_par[0], 1, vc->vc_cols - vc->state.x);
+
delete_char(vc, nr);
}
/* console_lock is held */
-static void csi_M(struct vc_data *vc, unsigned int nr)
+static void csi_M(struct vc_data *vc)
{
- nr = clamp(nr, 1, vc->vc_rows - vc->state.y);
+ unsigned int nr = clamp(vc->vc_par[0], 1, vc->vc_rows - vc->state.y);
+
con_scroll(vc, vc->state.y, vc->vc_bottom, SM_UP, nr);
vc->vc_need_wrap = 0;
}
@@ -2430,16 +2433,16 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
csi_J(vc, vc->vc_par[0]);
return;
case 'K':
- csi_K(vc, vc->vc_par[0]);
+ csi_K(vc);
return;
case 'L':
- csi_L(vc, vc->vc_par[0]);
+ csi_L(vc);
return;
case 'M':
- csi_M(vc, vc->vc_par[0]);
+ csi_M(vc);
return;
case 'P':
- csi_P(vc, vc->vc_par[0]);
+ csi_P(vc);
return;
case 'c':
if (!vc->vc_par[0])
@@ -2480,7 +2483,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
restore_cur(vc);
return;
case 'X':
- csi_X(vc, vc->vc_par[0]);
+ csi_X(vc);
return;
case '@':
csi_at(vc, vc->vc_par[0]);
--
GitLab
From 7eb38a765e347baa89a2e72050866ebdb4377cb9 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:29 +0100
Subject: [PATCH 0188/2686] tty: vt: define an enum for CSI+K codes
Decrypt the constant values by proper enum names. This time in csi_K().
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-16-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 16ba3a3666ab8..2f3f5e4817f69 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1542,6 +1542,12 @@ static void csi_J(struct vc_data *vc, enum CSI_J vpar)
vc->vc_need_wrap = 0;
}
+enum {
+ CSI_K_CURSOR_TO_LINEEND = 0,
+ CSI_K_LINESTART_TO_CURSOR = 1,
+ CSI_K_LINE = 2,
+};
+
static void csi_K(struct vc_data *vc)
{
unsigned int count;
@@ -1549,15 +1555,15 @@ static void csi_K(struct vc_data *vc)
int offset;
switch (vc->vc_par[0]) {
- case 0: /* erase from cursor to end of line */
+ case CSI_K_CURSOR_TO_LINEEND:
offset = 0;
count = vc->vc_cols - vc->state.x;
break;
- case 1: /* erase from start of line to cursor */
+ case CSI_K_LINESTART_TO_CURSOR:
offset = -vc->state.x;
count = vc->state.x + 1;
break;
- case 2: /* erase whole line */
+ case CSI_K_LINE:
offset = -vc->state.x;
count = vc->vc_cols;
break;
--
GitLab
From 23672a572f50f3027a5fed4ea7eac2e3ebfba50c Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:30 +0100
Subject: [PATCH 0189/2686] tty: vt: reflow csi_K()
Push cases one level left, according to coding style.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-17-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 2f3f5e4817f69..8d868aa337332 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1555,20 +1555,20 @@ static void csi_K(struct vc_data *vc)
int offset;
switch (vc->vc_par[0]) {
- case CSI_K_CURSOR_TO_LINEEND:
- offset = 0;
- count = vc->vc_cols - vc->state.x;
- break;
- case CSI_K_LINESTART_TO_CURSOR:
- offset = -vc->state.x;
- count = vc->state.x + 1;
- break;
- case CSI_K_LINE:
- offset = -vc->state.x;
- count = vc->vc_cols;
- break;
- default:
- return;
+ case CSI_K_CURSOR_TO_LINEEND:
+ offset = 0;
+ count = vc->vc_cols - vc->state.x;
+ break;
+ case CSI_K_LINESTART_TO_CURSOR:
+ offset = -vc->state.x;
+ count = vc->state.x + 1;
+ break;
+ case CSI_K_LINE:
+ offset = -vc->state.x;
+ count = vc->vc_cols;
+ break;
+ default:
+ return;
}
vc_uniscr_clear_line(vc, vc->state.x + offset, count);
scr_memsetw(start + offset, vc->vc_video_erase_char, 2 * count);
--
GitLab
From bf9e206b8ad95b0bd079eccb03c1859fb3ab9dd6 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:31 +0100
Subject: [PATCH 0190/2686] tty: vt: define an enum for ascii characters
I didn't find definitions for ascii in the kernel yet, so define it for
non-printable characters used here.
Note we use ' ' instead of 32 on one line too.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-18-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 62 ++++++++++++++++++++++++++++++++-------------
1 file changed, 44 insertions(+), 18 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 8d868aa337332..51a2787415dbf 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2143,6 +2143,28 @@ static bool ansi_control_string(unsigned int state)
return false;
}
+enum {
+ ASCII_NULL = 0,
+ ASCII_BELL = 7,
+ ASCII_BACKSPACE = 8,
+ ASCII_IGNORE_FIRST = ASCII_BACKSPACE,
+ ASCII_HTAB = 9,
+ ASCII_LINEFEED = 10,
+ ASCII_VTAB = 11,
+ ASCII_FORMFEED = 12,
+ ASCII_CAR_RET = 13,
+ ASCII_IGNORE_LAST = ASCII_CAR_RET,
+ ASCII_SHIFTOUT = 14,
+ ASCII_SHIFTIN = 15,
+ ASCII_CANCEL = 24,
+ ASCII_SUBSTITUTE = 26,
+ ASCII_ESCAPE = 27,
+ ASCII_CSI_IGNORE_FIRST = ' ', /* 0x2x, 0x3a and 0x3c - 0x3f */
+ ASCII_CSI_IGNORE_LAST = '?',
+ ASCII_DEL = 127,
+ ASCII_EXT_CSI = 128 + ASCII_ESCAPE,
+};
+
/* console_lock is held */
static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
{
@@ -2150,21 +2172,22 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
* Control characters can be used in the _middle_
* of an escape sequence, aside from ANSI control strings.
*/
- if (ansi_control_string(vc->vc_state) && c >= 8 && c <= 13)
+ if (ansi_control_string(vc->vc_state) && c >= ASCII_IGNORE_FIRST &&
+ c <= ASCII_IGNORE_LAST)
return;
switch (c) {
- case 0:
+ case ASCII_NULL:
return;
- case 7:
+ case ASCII_BELL:
if (ansi_control_string(vc->vc_state))
vc->vc_state = ESnormal;
else if (vc->vc_bell_duration)
kd_mksound(vc->vc_bell_pitch, vc->vc_bell_duration);
return;
- case 8:
+ case ASCII_BACKSPACE:
bs(vc);
return;
- case 9:
+ case ASCII_HTAB:
vc->vc_pos -= (vc->state.x << 1);
vc->state.x = find_next_bit(vc->vc_tab_stop,
@@ -2176,34 +2199,37 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
vc->vc_pos += (vc->state.x << 1);
notify_write(vc, '\t');
return;
- case 10: case 11: case 12:
+ case ASCII_LINEFEED:
+ case ASCII_VTAB:
+ case ASCII_FORMFEED:
lf(vc);
if (!is_kbd(vc, lnm))
return;
fallthrough;
- case 13:
+ case ASCII_CAR_RET:
cr(vc);
return;
- case 14:
+ case ASCII_SHIFTOUT:
vc->state.charset = 1;
vc->vc_translate = set_translate(vc->state.Gx_charset[1], vc);
vc->vc_disp_ctrl = 1;
return;
- case 15:
+ case ASCII_SHIFTIN:
vc->state.charset = 0;
vc->vc_translate = set_translate(vc->state.Gx_charset[0], vc);
vc->vc_disp_ctrl = 0;
return;
- case 24: case 26:
+ case ASCII_CANCEL:
+ case ASCII_SUBSTITUTE:
vc->vc_state = ESnormal;
return;
- case 27:
+ case ASCII_ESCAPE:
vc->vc_state = ESesc;
return;
- case 127:
+ case ASCII_DEL:
del(vc);
return;
- case 128+27:
+ case ASCII_EXT_CSI:
vc->vc_state = ESsquare;
return;
}
@@ -2338,7 +2364,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
vc->vc_par[vc->vc_npar] += c - '0';
return;
}
- if (c >= 0x20 && c <= 0x3f) { /* 0x2x, 0x3a and 0x3c - 0x3f */
+ if (c >= ASCII_CSI_IGNORE_FIRST && c <= ASCII_CSI_IGNORE_LAST) {
vc->vc_state = EScsiignore;
return;
}
@@ -2500,7 +2526,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
}
return;
case EScsiignore:
- if (c >= 0x20 && c <= 0x3f)
+ if (c >= ASCII_CSI_IGNORE_FIRST && c <= ASCII_CSI_IGNORE_LAST)
return;
vc->vc_state = ESnormal;
return;
@@ -2761,17 +2787,17 @@ static bool vc_is_control(struct vc_data *vc, int tc, int c)
* useless without them; to display an arbitrary font position use the
* direct-to-font zone in UTF-8 mode.
*/
- if (c < 32) {
+ if (c < ' ') {
if (vc->vc_disp_ctrl)
return CTRL_ALWAYS & BIT(c);
else
return vc->vc_utf || (CTRL_ACTION & BIT(c));
}
- if (c == 127 && !vc->vc_disp_ctrl)
+ if (c == ASCII_DEL && !vc->vc_disp_ctrl)
return true;
- if (c == 128 + 27)
+ if (c == ASCII_EXT_CSI)
return true;
return false;
--
GitLab
From 649f6fbe6abe0c7749120067058709d41111f655 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:32 +0100
Subject: [PATCH 0191/2686] tty: vt: remove extern from functions in
selection.h
Remove unneeded 'extern' keyword from function prototypes in
selection.h. This makes it more readable as no more wrapping is needed
on many places.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-19-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/selection.h | 52 ++++++++++++++++++---------------------
1 file changed, 24 insertions(+), 28 deletions(-)
diff --git a/include/linux/selection.h b/include/linux/selection.h
index 533509f6ba4fb..bab7d30d34462 100644
--- a/include/linux/selection.h
+++ b/include/linux/selection.h
@@ -14,15 +14,14 @@
struct tty_struct;
struct vc_data;
-extern void clear_selection(void);
-extern int set_selection_user(const struct tiocl_selection __user *sel,
- struct tty_struct *tty);
-extern int set_selection_kernel(struct tiocl_selection *v,
- struct tty_struct *tty);
-extern int paste_selection(struct tty_struct *tty);
-extern int sel_loadlut(u32 __user *lut);
-extern int mouse_reporting(void);
-extern void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry);
+void clear_selection(void);
+int set_selection_user(const struct tiocl_selection __user *sel,
+ struct tty_struct *tty);
+int set_selection_kernel(struct tiocl_selection *v, struct tty_struct *tty);
+int paste_selection(struct tty_struct *tty);
+int sel_loadlut(u32 __user *lut);
+int mouse_reporting(void);
+void mouse_report(struct tty_struct *tty, int butt, int mrx, int mry);
bool vc_is_sel(const struct vc_data *vc);
@@ -33,24 +32,21 @@ extern unsigned char default_red[];
extern unsigned char default_grn[];
extern unsigned char default_blu[];
-extern unsigned short *screen_pos(const struct vc_data *vc, int w_offset,
- bool viewed);
-extern u16 screen_glyph(const struct vc_data *vc, int offset);
-extern u32 screen_glyph_unicode(const struct vc_data *vc, int offset);
-extern void complement_pos(struct vc_data *vc, int offset);
-extern void invert_screen(struct vc_data *vc, int offset, int count, bool viewed);
-
-extern void getconsxy(const struct vc_data *vc, unsigned char xy[static 2]);
-extern void putconsxy(struct vc_data *vc, unsigned char xy[static const 2]);
-
-extern u16 vcs_scr_readw(const struct vc_data *vc, const u16 *org);
-extern void vcs_scr_writew(struct vc_data *vc, u16 val, u16 *org);
-extern void vcs_scr_updated(struct vc_data *vc);
-
-extern int vc_uniscr_check(struct vc_data *vc);
-extern void vc_uniscr_copy_line(const struct vc_data *vc, void *dest,
- bool viewed,
- unsigned int row, unsigned int col,
- unsigned int nr);
+unsigned short *screen_pos(const struct vc_data *vc, int w_offset, bool viewed);
+u16 screen_glyph(const struct vc_data *vc, int offset);
+u32 screen_glyph_unicode(const struct vc_data *vc, int offset);
+void complement_pos(struct vc_data *vc, int offset);
+void invert_screen(struct vc_data *vc, int offset, int count, bool viewed);
+
+void getconsxy(const struct vc_data *vc, unsigned char xy[static 2]);
+void putconsxy(struct vc_data *vc, unsigned char xy[static const 2]);
+
+u16 vcs_scr_readw(const struct vc_data *vc, const u16 *org);
+void vcs_scr_writew(struct vc_data *vc, u16 val, u16 *org);
+void vcs_scr_updated(struct vc_data *vc);
+
+int vc_uniscr_check(struct vc_data *vc);
+void vc_uniscr_copy_line(const struct vc_data *vc, void *dest, bool viewed,
+ unsigned int row, unsigned int col, unsigned int nr);
#endif
--
GitLab
From 7995c30d8d771c8410d7f2ba5b9d42b69e0074c8 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:33 +0100
Subject: [PATCH 0192/2686] tty: vt: make consw::con_debug_*() return void
The return value of con_debug_enter() and con_debug_leave() is ignored
on many fronts. So just don't propagate errors (the current
implementations return 0 anyway) and make the return type a void.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-20-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 21 ++++-----------------
drivers/video/fbdev/core/fbcon.c | 6 ++----
include/linux/console.h | 18 ++++++------------
3 files changed, 12 insertions(+), 33 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 51a2787415dbf..bbfda0d33ca13 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -4012,15 +4012,9 @@ EXPORT_SYMBOL(con_is_visible);
* Called when the console is taken over by the kernel debugger, this
* function needs to save the current console state, then put the console
* into a state suitable for the kernel debugger.
- *
- * RETURNS:
- * Zero on success, nonzero if a failure occurred when trying to prepare
- * the console for the debugger.
*/
-int con_debug_enter(struct vc_data *vc)
+void con_debug_enter(struct vc_data *vc)
{
- int ret = 0;
-
saved_fg_console = fg_console;
saved_last_console = last_console;
saved_want_console = want_console;
@@ -4029,7 +4023,7 @@ int con_debug_enter(struct vc_data *vc)
vc->vc_mode = KD_TEXT;
console_blanked = 0;
if (vc->vc_sw->con_debug_enter)
- ret = vc->vc_sw->con_debug_enter(vc);
+ vc->vc_sw->con_debug_enter(vc);
#ifdef CONFIG_KGDB_KDB
/* Set the initial LINES variable if it is not already set */
if (vc->vc_rows < 999) {
@@ -4059,7 +4053,6 @@ int con_debug_enter(struct vc_data *vc)
}
}
#endif /* CONFIG_KGDB_KDB */
- return ret;
}
EXPORT_SYMBOL_GPL(con_debug_enter);
@@ -4068,15 +4061,10 @@ EXPORT_SYMBOL_GPL(con_debug_enter);
*
* Restore the console state to what it was before the kernel debugger
* was invoked.
- *
- * RETURNS:
- * Zero on success, nonzero if a failure occurred when trying to restore
- * the console.
*/
-int con_debug_leave(void)
+void con_debug_leave(void)
{
struct vc_data *vc;
- int ret = 0;
fg_console = saved_fg_console;
last_console = saved_last_console;
@@ -4086,8 +4074,7 @@ int con_debug_leave(void)
vc = vc_cons[fg_console].d;
if (vc->vc_sw->con_debug_leave)
- ret = vc->vc_sw->con_debug_leave(vc);
- return ret;
+ vc->vc_sw->con_debug_leave(vc);
}
EXPORT_SYMBOL_GPL(con_debug_leave);
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index dd2f4617485c5..d3fb98084eda4 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2243,7 +2243,7 @@ static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)
return 0;
}
-static int fbcon_debug_enter(struct vc_data *vc)
+static void fbcon_debug_enter(struct vc_data *vc)
{
struct fb_info *info = fbcon_info_from_console(vc->vc_num);
struct fbcon_ops *ops = info->fbcon_par;
@@ -2253,10 +2253,9 @@ static int fbcon_debug_enter(struct vc_data *vc)
if (info->fbops->fb_debug_enter)
info->fbops->fb_debug_enter(info);
fbcon_set_palette(vc, color_table);
- return 0;
}
-static int fbcon_debug_leave(struct vc_data *vc)
+static void fbcon_debug_leave(struct vc_data *vc)
{
struct fb_info *info = fbcon_info_from_console(vc->vc_num);
struct fbcon_ops *ops = info->fbcon_par;
@@ -2264,7 +2263,6 @@ static int fbcon_debug_leave(struct vc_data *vc)
ops->graphics = ops->save_graphics;
if (info->fbops->fb_debug_leave)
info->fbops->fb_debug_leave(info);
- return 0;
}
static int fbcon_get_font(struct vc_data *vc, struct console_font *font, unsigned int vpitch)
diff --git a/include/linux/console.h b/include/linux/console.h
index 38b379d6c6244..93a1db5bf3b58 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -88,11 +88,11 @@ struct consw {
* limited to, unblanking the console, loading an appropriate
* palette, and allowing debugger generated output.
*/
- int (*con_debug_enter)(struct vc_data *vc);
+ void (*con_debug_enter)(struct vc_data *vc);
/*
* Restore the console to its pre-debug state as closely as possible.
*/
- int (*con_debug_leave)(struct vc_data *vc);
+ void (*con_debug_leave)(struct vc_data *vc);
};
extern const struct consw *conswitchp;
@@ -113,17 +113,11 @@ int do_unregister_con_driver(const struct consw *csw);
int do_take_over_console(const struct consw *sw, int first, int last, int deflt);
void give_up_console(const struct consw *sw);
#ifdef CONFIG_HW_CONSOLE
-int con_debug_enter(struct vc_data *vc);
-int con_debug_leave(void);
+void con_debug_enter(struct vc_data *vc);
+void con_debug_leave(void);
#else
-static inline int con_debug_enter(struct vc_data *vc)
-{
- return 0;
-}
-static inline int con_debug_leave(void)
-{
- return 0;
-}
+static inline void con_debug_enter(struct vc_data *vc) { }
+static inline void con_debug_leave(void) { }
#endif
/* cursor */
--
GitLab
From dae3e6b6180f1a2394b984c596d39ed2c57d25fe Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:34 +0100
Subject: [PATCH 0193/2686] tty: vt: make init parameter of consw::con_init() a
bool
The 'init' parameter of consw::con_init() is true for the first call of
the hook on a particular console. So make the parameter a bool.
And document the hook.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-21-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 8 ++++----
drivers/video/console/dummycon.c | 2 +-
drivers/video/console/mdacon.c | 2 +-
drivers/video/console/newport_con.c | 2 +-
drivers/video/console/sticon.c | 2 +-
drivers/video/console/vgacon.c | 4 ++--
drivers/video/fbdev/core/fbcon.c | 2 +-
include/linux/console.h | 4 +++-
8 files changed, 14 insertions(+), 12 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index bbfda0d33ca13..fcb41c8724f39 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -999,7 +999,7 @@ int vc_cons_allocated(unsigned int i)
return (i < MAX_NR_CONSOLES && vc_cons[i].d);
}
-static void visual_init(struct vc_data *vc, int num, int init)
+static void visual_init(struct vc_data *vc, int num, bool init)
{
/* ++Geert: vc->vc_sw->con_init determines console size */
if (vc->vc_sw)
@@ -1083,7 +1083,7 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */
vc->port.ops = &vc_port_ops;
INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK);
- visual_init(vc, currcons, 1);
+ visual_init(vc, currcons, true);
if (!*vc->uni_pagedict_loc)
con_set_default_unimap(vc);
@@ -3513,7 +3513,7 @@ static int __init con_init(void)
vc_cons[currcons].d = vc = kzalloc(sizeof(struct vc_data), GFP_NOWAIT);
INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK);
tty_port_init(&vc->port);
- visual_init(vc, currcons, 1);
+ visual_init(vc, currcons, true);
/* Assuming vc->vc_{cols,rows,screenbuf_size} are sane here. */
vc->vc_screenbuf = kzalloc(vc->vc_screenbuf_size, GFP_NOWAIT);
vc_init(vc, currcons || !vc->vc_sw->con_save_screen);
@@ -3682,7 +3682,7 @@ static int do_bind_con_driver(const struct consw *csw, int first, int last,
old_was_color = vc->vc_can_do_color;
vc->vc_sw->con_deinit(vc);
vc->vc_origin = (unsigned long)vc->vc_screenbuf;
- visual_init(vc, i, 0);
+ visual_init(vc, i, false);
set_origin(vc);
update_attr(vc);
diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c
index 14af5d9e13b00..f2cef9d9a4b50 100644
--- a/drivers/video/console/dummycon.c
+++ b/drivers/video/console/dummycon.c
@@ -98,7 +98,7 @@ static const char *dummycon_startup(void)
return "dummy device";
}
-static void dummycon_init(struct vc_data *vc, int init)
+static void dummycon_init(struct vc_data *vc, bool init)
{
vc->vc_can_do_color = 1;
if (init) {
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index ef29b321967f0..c5b255c968794 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -352,7 +352,7 @@ static const char *mdacon_startup(void)
return "MDA-2";
}
-static void mdacon_init(struct vc_data *c, int init)
+static void mdacon_init(struct vc_data *c, bool init)
{
c->vc_complement_mask = 0x0800; /* reverse video */
c->vc_display_fg = &mda_display_fg;
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index e8e4f82cd4a1b..12c64ef470877 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -324,7 +324,7 @@ static const char *newport_startup(void)
return NULL;
}
-static void newport_init(struct vc_data *vc, int init)
+static void newport_init(struct vc_data *vc, bool init)
{
int cols, rows;
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index 992a4fa431aaa..0bfeabc3f7c72 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -273,7 +273,7 @@ static int sticon_font_set(struct vc_data *vc, struct console_font *font,
return sticon_set_font(vc, font, vpitch);
}
-static void sticon_init(struct vc_data *c, int init)
+static void sticon_init(struct vc_data *c, bool init)
{
struct sti_struct *sti = sticon_sti;
int vc_cols, vc_rows;
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 0c76e2817b49d..5d523753def87 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -367,7 +367,7 @@ static const char *vgacon_startup(void)
return display_desc;
}
-static void vgacon_init(struct vc_data *c, int init)
+static void vgacon_init(struct vc_data *c, bool init)
{
struct uni_pagedict *p;
@@ -384,7 +384,7 @@ static void vgacon_init(struct vc_data *c, int init)
c->vc_scan_lines = vga_scan_lines;
c->vc_font.height = c->vc_cell_height = vga_video_font_height;
- /* set dimensions manually if init != 0 since vc_resize() will fail */
+ /* set dimensions manually if init is true since vc_resize() will fail */
if (init) {
c->vc_cols = vga_video_num_columns;
c->vc_rows = vga_video_num_lines;
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index d3fb98084eda4..939c5d893dfbe 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -988,7 +988,7 @@ static const char *fbcon_startup(void)
return display_desc;
}
-static void fbcon_init(struct vc_data *vc, int init)
+static void fbcon_init(struct vc_data *vc, bool init)
{
struct fb_info *info;
struct fbcon_ops *ops;
diff --git a/include/linux/console.h b/include/linux/console.h
index 93a1db5bf3b58..fc9450e0c78ff 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -36,6 +36,8 @@ enum vc_intensity;
/**
* struct consw - callbacks for consoles
*
+ * @con_init: initialize the console on @vc. @init is true for the very first
+ * call on this @vc.
* @con_scroll: move lines from @top to @bottom in direction @dir by @lines.
* Return true if no generic handling should be done.
* Invoked by csi_M and printing to the console.
@@ -46,7 +48,7 @@ enum vc_intensity;
struct consw {
struct module *owner;
const char *(*con_startup)(void);
- void (*con_init)(struct vc_data *vc, int init);
+ void (*con_init)(struct vc_data *vc, bool init);
void (*con_deinit)(struct vc_data *vc);
void (*con_clear)(struct vc_data *vc, int sy, int sx, int height,
int width);
--
GitLab
From 559f01a0ee6d924c6fec3eaf6a5b078b15e71070 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:35 +0100
Subject: [PATCH 0194/2686] tty: vt: sanitize arguments of consw::con_clear()
In consw::con_clear():
* Height is always 1, so drop it.
* Offsets and width are always unsigned values, so re-type them as such.
This needs a new __fbcon_clear() in the fbcon code to still handle
height which might not be 1 when called internally.
Note that tests for negative count/width are left in place -- they are
taken care of in the next patches.
And document the hook.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-22-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 2 +-
drivers/video/console/dummycon.c | 4 ++--
drivers/video/console/mdacon.c | 15 +++++---------
drivers/video/console/newport_con.c | 6 +++---
drivers/video/console/sticon.c | 8 ++++----
drivers/video/console/vgacon.c | 4 ++--
drivers/video/fbdev/core/fbcon.c | 32 +++++++++++++++++------------
include/linux/console.h | 5 +++--
8 files changed, 39 insertions(+), 37 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index fcb41c8724f39..b6f1449421bc3 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1585,7 +1585,7 @@ static void csi_X(struct vc_data *vc)
vc_uniscr_clear_line(vc, vc->state.x, count);
scr_memsetw((unsigned short *)vc->vc_pos, vc->vc_video_erase_char, 2 * count);
if (con_should_update(vc))
- vc->vc_sw->con_clear(vc, vc->state.y, vc->state.x, 1, count);
+ vc->vc_sw->con_clear(vc, vc->state.y, vc->state.x, count);
vc->vc_need_wrap = 0;
}
diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c
index f2cef9d9a4b50..0a69d5c216ee0 100644
--- a/drivers/video/console/dummycon.c
+++ b/drivers/video/console/dummycon.c
@@ -109,8 +109,8 @@ static void dummycon_init(struct vc_data *vc, bool init)
}
static void dummycon_deinit(struct vc_data *vc) { }
-static void dummycon_clear(struct vc_data *vc, int sy, int sx, int height,
- int width) { }
+static void dummycon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+ unsigned int width) { }
static void dummycon_cursor(struct vc_data *vc, int mode) { }
static bool dummycon_scroll(struct vc_data *vc, unsigned int top,
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index c5b255c968794..1ddbb6cd5b0ca 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -442,23 +442,18 @@ static void mdacon_putcs(struct vc_data *c, const unsigned short *s,
}
}
-static void mdacon_clear(struct vc_data *c, int y, int x,
- int height, int width)
+static void mdacon_clear(struct vc_data *c, unsigned int y, unsigned int x,
+ unsigned int width)
{
u16 *dest = mda_addr(x, y);
u16 eattr = mda_convert_attr(c->vc_video_erase_char);
- if (width <= 0 || height <= 0)
+ if (width <= 0)
return;
- if (x==0 && width==mda_num_columns) {
- scr_memsetw(dest, eattr, height*width*2);
- } else {
- for (; height > 0; height--, dest+=mda_num_columns)
- scr_memsetw(dest, eattr, width*2);
- }
+ scr_memsetw(dest, eattr, width * 2);
}
-
+
static int mdacon_switch(struct vc_data *c)
{
return 1; /* redrawing needed */
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index 12c64ef470877..55c6106b3507b 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -346,12 +346,12 @@ static void newport_deinit(struct vc_data *c)
}
}
-static void newport_clear(struct vc_data *vc, int sy, int sx, int height,
- int width)
+static void newport_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+ unsigned int width)
{
int xend = ((sx + width) << 3) - 1;
int ystart = ((sy << 4) + topscan) & 0x3ff;
- int yend = (((sy + height) << 4) + topscan - 1) & 0x3ff;
+ int yend = (((sy + 1) << 4) + topscan - 1) & 0x3ff;
if (logo_active)
return;
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index 0bfeabc3f7c72..d99c2a659bfd4 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -300,13 +300,13 @@ static void sticon_deinit(struct vc_data *c)
sticon_set_def_font(i);
}
-static void sticon_clear(struct vc_data *conp, int sy, int sx, int height,
- int width)
+static void sticon_clear(struct vc_data *conp, unsigned int sy, unsigned int sx,
+ unsigned int width)
{
- if (!height || !width)
+ if (!width)
return;
- sti_clear(sticon_sti, sy, sx, height, width,
+ sti_clear(sticon_sti, sy, sx, 1, width,
conp->vc_video_erase_char, font_data[conp->vc_num]);
}
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 5d523753def87..85f29dec2c3d4 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -1191,8 +1191,8 @@ static bool vgacon_scroll(struct vc_data *c, unsigned int t, unsigned int b,
* The console `switch' structure for the VGA based console
*/
-static void vgacon_clear(struct vc_data *vc, int sy, int sx, int height,
- int width) { }
+static void vgacon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+ unsigned int width) { }
static void vgacon_putc(struct vc_data *vc, int c, int ypos, int xpos) { }
static void vgacon_putcs(struct vc_data *vc, const unsigned short *s,
int count, int ypos, int xpos) { }
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 939c5d893dfbe..8a31a36483ea6 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -1235,8 +1235,8 @@ static void fbcon_deinit(struct vc_data *vc)
* restriction is simplicity & efficiency at the moment.
*/
-static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height,
- int width)
+static void __fbcon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+ unsigned int height, unsigned int width)
{
struct fb_info *info = fbcon_info_from_console(vc->vc_num);
struct fbcon_ops *ops = info->fbcon_par;
@@ -1273,6 +1273,12 @@ static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height,
ops->clear(vc, info, real_y(p, sy), sx, height, width);
}
+static void fbcon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+ unsigned int width)
+{
+ __fbcon_clear(vc, sy, sx, 1, width);
+}
+
static void fbcon_putcs(struct vc_data *vc, const unsigned short *s,
int count, int ypos, int xpos)
{
@@ -1760,7 +1766,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
case SCROLL_MOVE:
fbcon_redraw_blit(vc, info, p, t, b - t - count,
count);
- fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
scr_memsetw((unsigned short *) (vc->vc_origin +
vc->vc_size_row *
(b - count)),
@@ -1783,7 +1789,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
b - t - count, vc->vc_cols);
else
goto redraw_up;
- fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
break;
case SCROLL_PAN_REDRAW:
@@ -1801,7 +1807,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
vc->vc_rows - b, b);
} else
fbcon_redraw_move(vc, p, t + count, b - t - count, t);
- fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
break;
case SCROLL_PAN_MOVE:
@@ -1824,14 +1830,14 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
b - t - count, vc->vc_cols);
else
goto redraw_up;
- fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
break;
case SCROLL_REDRAW:
redraw_up:
fbcon_redraw(vc, t, b - t - count,
count * vc->vc_cols);
- fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
scr_memsetw((unsigned short *) (vc->vc_origin +
vc->vc_size_row *
(b - count)),
@@ -1848,7 +1854,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
case SCROLL_MOVE:
fbcon_redraw_blit(vc, info, p, b - 1, b - t - count,
-count);
- fbcon_clear(vc, t, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, t, 0, count, vc->vc_cols);
scr_memsetw((unsigned short *) (vc->vc_origin +
vc->vc_size_row *
t),
@@ -1871,7 +1877,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
b - t - count, vc->vc_cols);
else
goto redraw_down;
- fbcon_clear(vc, t, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, t, 0, count, vc->vc_cols);
break;
case SCROLL_PAN_MOVE:
@@ -1893,7 +1899,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
b - t - count, vc->vc_cols);
else
goto redraw_down;
- fbcon_clear(vc, t, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, t, 0, count, vc->vc_cols);
break;
case SCROLL_PAN_REDRAW:
@@ -1910,14 +1916,14 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
fbcon_redraw_move(vc, p, count, t, 0);
} else
fbcon_redraw_move(vc, p, t, b - t - count, t + count);
- fbcon_clear(vc, t, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, t, 0, count, vc->vc_cols);
break;
case SCROLL_REDRAW:
redraw_down:
fbcon_redraw(vc, b - 1, b - t - count,
-count * vc->vc_cols);
- fbcon_clear(vc, t, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, t, 0, count, vc->vc_cols);
scr_memsetw((unsigned short *) (vc->vc_origin +
vc->vc_size_row *
t),
@@ -2196,7 +2202,7 @@ static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info,
oldc = vc->vc_video_erase_char;
vc->vc_video_erase_char &= charmask;
- fbcon_clear(vc, 0, 0, vc->vc_rows, vc->vc_cols);
+ __fbcon_clear(vc, 0, 0, vc->vc_rows, vc->vc_cols);
vc->vc_video_erase_char = oldc;
}
}
diff --git a/include/linux/console.h b/include/linux/console.h
index fc9450e0c78ff..8fd96a5fca5f7 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -38,6 +38,7 @@ enum vc_intensity;
*
* @con_init: initialize the console on @vc. @init is true for the very first
* call on this @vc.
+ * @con_clear: erase @count characters at [@x, @y] on @vc. @count >= 1.
* @con_scroll: move lines from @top to @bottom in direction @dir by @lines.
* Return true if no generic handling should be done.
* Invoked by csi_M and printing to the console.
@@ -50,8 +51,8 @@ struct consw {
const char *(*con_startup)(void);
void (*con_init)(struct vc_data *vc, bool init);
void (*con_deinit)(struct vc_data *vc);
- void (*con_clear)(struct vc_data *vc, int sy, int sx, int height,
- int width);
+ void (*con_clear)(struct vc_data *vc, unsigned int y,
+ unsigned int x, unsigned int count);
void (*con_putc)(struct vc_data *vc, int c, int ypos, int xpos);
void (*con_putcs)(struct vc_data *vc, const unsigned short *s,
int count, int ypos, int xpos);
--
GitLab
From 3ab8a651934f7b18b6716765df3c32391549cf01 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:36 +0100
Subject: [PATCH 0195/2686] tty: vt: remove checks for count in
consw::con_clear() implementations
'count' in consw::con_clear() is guaranteed to be positive. csi_X() (the
only caller) takes the minimum of the vc parameter (which is at least 1)
and count of characters till the end of the line. The latter is computed
as a subtraction of vc->vc_cols (count) and vc->state.x (offset). So for
the worst case, full line, it is 1.
Therefore, there is no point in checking zero or negative values (width
is now unsigned anyway).
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-23-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/video/console/mdacon.c | 3 ---
drivers/video/console/sticon.c | 3 ---
2 files changed, 6 deletions(-)
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index 1ddbb6cd5b0ca..2ff2c9394d409 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -448,9 +448,6 @@ static void mdacon_clear(struct vc_data *c, unsigned int y, unsigned int x,
u16 *dest = mda_addr(x, y);
u16 eattr = mda_convert_attr(c->vc_video_erase_char);
- if (width <= 0)
- return;
-
scr_memsetw(dest, eattr, width * 2);
}
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index d99c2a659bfd4..b1d972d9a31c8 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -303,9 +303,6 @@ static void sticon_deinit(struct vc_data *c)
static void sticon_clear(struct vc_data *conp, unsigned int sy, unsigned int sx,
unsigned int width)
{
- if (!width)
- return;
-
sti_clear(sticon_sti, sy, sx, 1, width,
conp->vc_video_erase_char, font_data[conp->vc_num]);
}
--
GitLab
From 387ccbdb634fc6572b02dc38ef0d1c8a80606314 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:37 +0100
Subject: [PATCH 0196/2686] tty: vt: add con_putc() helper
And let it call consw::con_putc() if it exists, otherwise
consw::con_putcs(). This is similar to tty_put_char().
It supports dropping unneeded duplication of code like sticon_putc() is
(see the next patch).
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-24-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index b6f1449421bc3..6091ffcf93d86 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -300,6 +300,14 @@ static inline unsigned short *screenpos(const struct vc_data *vc, int offset,
return p;
}
+static void con_putc(struct vc_data *vc, u16 ca, unsigned int y, unsigned int x)
+{
+ if (vc->vc_sw->con_putc)
+ vc->vc_sw->con_putc(vc, ca, y, x);
+ else
+ vc->vc_sw->con_putcs(vc, &ca, 1, y, x);
+}
+
/* Called from the keyboard irq path.. */
static inline void scrolldelta(int lines)
{
@@ -762,7 +770,7 @@ void complement_pos(struct vc_data *vc, int offset)
old_offset < vc->vc_screenbuf_size) {
scr_writew(old, screenpos(vc, old_offset, true));
if (con_should_update(vc))
- vc->vc_sw->con_putc(vc, old, oldy, oldx);
+ con_putc(vc, old, oldy, oldx);
notify_update(vc);
}
@@ -779,7 +787,7 @@ void complement_pos(struct vc_data *vc, int offset)
if (con_should_update(vc)) {
oldx = (offset >> 1) % vc->vc_cols;
oldy = (offset >> 1) / vc->vc_cols;
- vc->vc_sw->con_putc(vc, new, oldy, oldx);
+ con_putc(vc, new, oldy, oldx);
}
notify_update(vc);
}
@@ -833,7 +841,7 @@ static void add_softcursor(struct vc_data *vc)
i ^= CUR_FG;
scr_writew(i, (u16 *)vc->vc_pos);
if (con_should_update(vc))
- vc->vc_sw->con_putc(vc, i, vc->state.y, vc->state.x);
+ con_putc(vc, i, vc->state.y, vc->state.x);
}
static void hide_softcursor(struct vc_data *vc)
@@ -841,8 +849,8 @@ static void hide_softcursor(struct vc_data *vc)
if (softcursor_original != -1) {
scr_writew(softcursor_original, (u16 *)vc->vc_pos);
if (con_should_update(vc))
- vc->vc_sw->con_putc(vc, softcursor_original,
- vc->state.y, vc->state.x);
+ con_putc(vc, softcursor_original, vc->state.y,
+ vc->state.x);
softcursor_original = -1;
}
}
--
GitLab
From 8bc03a30093024c68f10fb9033ca28f925074c52 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:38 +0100
Subject: [PATCH 0197/2686] tty: vt: eliminate unneeded consw::con_putc()
implementations
All these consw::con_putc() implementations do the same as
consw::con_putcs() (only for one charattr) or even call
consw::con_putcs() on their own.
Drop them, as thanks to the new con_putc() helper in the previous patch,
the console code performs this already -- exactly if consw::con_putc()
is missing (NULL).
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-25-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/video/console/mdacon.c | 6 ------
drivers/video/console/sticon.c | 12 ------------
drivers/video/console/vgacon.c | 2 --
drivers/video/fbdev/core/fbcon.c | 9 ---------
4 files changed, 29 deletions(-)
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index 2ff2c9394d409..01e779943c002 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -427,11 +427,6 @@ static inline u16 *mda_addr(unsigned int x, unsigned int y)
return mda_vram_base + y * mda_num_columns + x;
}
-static void mdacon_putc(struct vc_data *c, int ch, int y, int x)
-{
- scr_writew(mda_convert_attr(ch), mda_addr(x, y));
-}
-
static void mdacon_putcs(struct vc_data *c, const unsigned short *s,
int count, int y, int x)
{
@@ -536,7 +531,6 @@ static const struct consw mda_con = {
.con_init = mdacon_init,
.con_deinit = mdacon_deinit,
.con_clear = mdacon_clear,
- .con_putc = mdacon_putc,
.con_putcs = mdacon_putcs,
.con_cursor = mdacon_cursor,
.con_scroll = mdacon_scroll,
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index b1d972d9a31c8..2f87b5909d0d1 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -71,17 +71,6 @@ static const char *sticon_startup(void)
return "STI console";
}
-static void sticon_putc(struct vc_data *conp, int c, int ypos, int xpos)
-{
- if (vga_is_gfx || console_blanked)
- return;
-
- if (conp->vc_mode != KD_TEXT)
- return;
-
- sti_putc(sticon_sti, c, ypos, xpos, font_data[conp->vc_num]);
-}
-
static void sticon_putcs(struct vc_data *conp, const unsigned short *s,
int count, int ypos, int xpos)
{
@@ -362,7 +351,6 @@ static const struct consw sti_con = {
.con_init = sticon_init,
.con_deinit = sticon_deinit,
.con_clear = sticon_clear,
- .con_putc = sticon_putc,
.con_putcs = sticon_putcs,
.con_cursor = sticon_cursor,
.con_scroll = sticon_scroll,
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 85f29dec2c3d4..4beab11f87eb4 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -1193,7 +1193,6 @@ static bool vgacon_scroll(struct vc_data *c, unsigned int t, unsigned int b,
static void vgacon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
unsigned int width) { }
-static void vgacon_putc(struct vc_data *vc, int c, int ypos, int xpos) { }
static void vgacon_putcs(struct vc_data *vc, const unsigned short *s,
int count, int ypos, int xpos) { }
@@ -1203,7 +1202,6 @@ const struct consw vga_con = {
.con_init = vgacon_init,
.con_deinit = vgacon_deinit,
.con_clear = vgacon_clear,
- .con_putc = vgacon_putc,
.con_putcs = vgacon_putcs,
.con_cursor = vgacon_cursor,
.con_scroll = vgacon_scroll,
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 8a31a36483ea6..38de0f8723aa0 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -1292,14 +1292,6 @@ static void fbcon_putcs(struct vc_data *vc, const unsigned short *s,
get_color(vc, info, scr_readw(s), 0));
}
-static void fbcon_putc(struct vc_data *vc, int c, int ypos, int xpos)
-{
- unsigned short chr;
-
- scr_writew(c, &chr);
- fbcon_putcs(vc, &chr, 1, ypos, xpos);
-}
-
static void fbcon_clear_margins(struct vc_data *vc, int bottom_only)
{
struct fb_info *info = fbcon_info_from_console(vc->vc_num);
@@ -3159,7 +3151,6 @@ static const struct consw fb_con = {
.con_init = fbcon_init,
.con_deinit = fbcon_deinit,
.con_clear = fbcon_clear,
- .con_putc = fbcon_putc,
.con_putcs = fbcon_putcs,
.con_cursor = fbcon_cursor,
.con_scroll = fbcon_scroll,
--
GitLab
From 338c28107b51083846afdc5fe8f7830cc8abd893 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:39 +0100
Subject: [PATCH 0198/2686] tty: vt: sanitize consw::con_putc() parameters
Make parameters of consw::con_putc() saner:
* x and y are unsigned now, as they cannot be negative, and
* ca is made u16, as it is composed of two 8bit values (character and
attribute). See the con_putcs() hook, u16/ushort is worked on there.
And document the hook.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-26-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/video/console/dummycon.c | 6 ++++--
drivers/video/console/newport_con.c | 4 ++--
include/linux/console.h | 5 ++++-
3 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c
index 0a69d5c216ee0..1874beed03259 100644
--- a/drivers/video/console/dummycon.c
+++ b/drivers/video/console/dummycon.c
@@ -50,7 +50,8 @@ void dummycon_unregister_output_notifier(struct notifier_block *nb)
raw_notifier_chain_unregister(&dummycon_output_nh, nb);
}
-static void dummycon_putc(struct vc_data *vc, int c, int ypos, int xpos)
+static void dummycon_putc(struct vc_data *vc, u16 c, unsigned int y,
+ unsigned int x)
{
WARN_CONSOLE_UNLOCKED();
@@ -84,7 +85,8 @@ static int dummycon_blank(struct vc_data *vc, int blank, int mode_switch)
return 1;
}
#else
-static void dummycon_putc(struct vc_data *vc, int c, int ypos, int xpos) { }
+static void dummycon_putc(struct vc_data *vc, u16 c, unsigned int y,
+ unsigned int x) { }
static void dummycon_putcs(struct vc_data *vc, const unsigned short *s,
int count, int ypos, int xpos) { }
static int dummycon_blank(struct vc_data *vc, int blank, int mode_switch)
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index 55c6106b3507b..9b5c0118873ee 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -367,8 +367,8 @@ static void newport_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
}
}
-static void newport_putc(struct vc_data *vc, int charattr, int ypos,
- int xpos)
+static void newport_putc(struct vc_data *vc, u16 charattr, unsigned int ypos,
+ unsigned int xpos)
{
unsigned char *p;
diff --git a/include/linux/console.h b/include/linux/console.h
index 8fd96a5fca5f7..92d57e5b30097 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -39,6 +39,8 @@ enum vc_intensity;
* @con_init: initialize the console on @vc. @init is true for the very first
* call on this @vc.
* @con_clear: erase @count characters at [@x, @y] on @vc. @count >= 1.
+ * @con_putc: emit one character with attributes @ca to [@x, @y] on @vc.
+ * (optional -- @con_putcs would be called instead)
* @con_scroll: move lines from @top to @bottom in direction @dir by @lines.
* Return true if no generic handling should be done.
* Invoked by csi_M and printing to the console.
@@ -53,7 +55,8 @@ struct consw {
void (*con_deinit)(struct vc_data *vc);
void (*con_clear)(struct vc_data *vc, unsigned int y,
unsigned int x, unsigned int count);
- void (*con_putc)(struct vc_data *vc, int c, int ypos, int xpos);
+ void (*con_putc)(struct vc_data *vc, u16 ca, unsigned int y,
+ unsigned int x);
void (*con_putcs)(struct vc_data *vc, const unsigned short *s,
int count, int ypos, int xpos);
void (*con_cursor)(struct vc_data *vc, int mode);
--
GitLab
From bfd7de49d7444ce46a48e92ce7cb11266ce79905 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:40 +0100
Subject: [PATCH 0199/2686] tty: vt: sanitize consw::con_putcs() parameters
Similar to con_putc() in the previous patch:
* make the pointer to charattr a pointer to u16, and
* make x, y, and count unsigned as they are strictly non-negative.
And again, document that hook.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-27-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/video/console/dummycon.c | 10 +++++-----
drivers/video/console/mdacon.c | 4 ++--
drivers/video/console/newport_con.c | 9 +++++----
drivers/video/console/sticon.c | 4 ++--
drivers/video/console/vgacon.c | 4 ++--
drivers/video/fbdev/core/fbcon.c | 4 ++--
include/linux/console.h | 6 ++++--
7 files changed, 22 insertions(+), 19 deletions(-)
diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c
index 1874beed03259..188d9f3e201c4 100644
--- a/drivers/video/console/dummycon.c
+++ b/drivers/video/console/dummycon.c
@@ -59,10 +59,10 @@ static void dummycon_putc(struct vc_data *vc, u16 c, unsigned int y,
raw_notifier_call_chain(&dummycon_output_nh, 0, NULL);
}
-static void dummycon_putcs(struct vc_data *vc, const unsigned short *s,
- int count, int ypos, int xpos)
+static void dummycon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
+ unsigned int ypos, unsigned int xpos)
{
- int i;
+ unsigned int i;
if (!dummycon_putc_called) {
/* Ignore erases */
@@ -87,8 +87,8 @@ static int dummycon_blank(struct vc_data *vc, int blank, int mode_switch)
#else
static void dummycon_putc(struct vc_data *vc, u16 c, unsigned int y,
unsigned int x) { }
-static void dummycon_putcs(struct vc_data *vc, const unsigned short *s,
- int count, int ypos, int xpos) { }
+static void dummycon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
+ unsigned int ypos, unsigned int xpos) { }
static int dummycon_blank(struct vc_data *vc, int blank, int mode_switch)
{
return 0;
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index 01e779943c002..b8822b615b2ff 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -427,8 +427,8 @@ static inline u16 *mda_addr(unsigned int x, unsigned int y)
return mda_vram_base + y * mda_num_columns + x;
}
-static void mdacon_putcs(struct vc_data *c, const unsigned short *s,
- int count, int y, int x)
+static void mdacon_putcs(struct vc_data *c, const u16 *s, unsigned int count,
+ unsigned int y, unsigned int x)
{
u16 *dest = mda_addr(x, y);
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index 9b5c0118873ee..5e65ee0b7c077 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -396,12 +396,13 @@ static void newport_putc(struct vc_data *vc, u16 charattr, unsigned int ypos,
RENDER(npregs, p);
}
-static void newport_putcs(struct vc_data *vc, const unsigned short *s,
- int count, int ypos, int xpos)
+static void newport_putcs(struct vc_data *vc, const u16 *s,
+ unsigned int count, unsigned int ypos,
+ unsigned int xpos)
{
- int i;
- int charattr;
unsigned char *p;
+ unsigned int i;
+ u16 charattr;
charattr = (scr_readw(s) >> 8) & 0xff;
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index 2f87b5909d0d1..906da1fde7c81 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -71,8 +71,8 @@ static const char *sticon_startup(void)
return "STI console";
}
-static void sticon_putcs(struct vc_data *conp, const unsigned short *s,
- int count, int ypos, int xpos)
+static void sticon_putcs(struct vc_data *conp, const u16 *s, unsigned int count,
+ unsigned int ypos, unsigned int xpos)
{
if (vga_is_gfx || console_blanked)
return;
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 4beab11f87eb4..aa0589085847a 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -1193,8 +1193,8 @@ static bool vgacon_scroll(struct vc_data *c, unsigned int t, unsigned int b,
static void vgacon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
unsigned int width) { }
-static void vgacon_putcs(struct vc_data *vc, const unsigned short *s,
- int count, int ypos, int xpos) { }
+static void vgacon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
+ unsigned int ypos, unsigned int xpos) { }
const struct consw vga_con = {
.owner = THIS_MODULE,
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 38de0f8723aa0..7a7b2ac0d7a9f 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -1279,8 +1279,8 @@ static void fbcon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
__fbcon_clear(vc, sy, sx, 1, width);
}
-static void fbcon_putcs(struct vc_data *vc, const unsigned short *s,
- int count, int ypos, int xpos)
+static void fbcon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
+ unsigned int ypos, unsigned int xpos)
{
struct fb_info *info = fbcon_info_from_console(vc->vc_num);
struct fbcon_display *p = &fb_display[vc->vc_num];
diff --git a/include/linux/console.h b/include/linux/console.h
index 92d57e5b30097..82d55764a66f8 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -41,6 +41,7 @@ enum vc_intensity;
* @con_clear: erase @count characters at [@x, @y] on @vc. @count >= 1.
* @con_putc: emit one character with attributes @ca to [@x, @y] on @vc.
* (optional -- @con_putcs would be called instead)
+ * @con_putcs: emit @count characters with attributes @s to [@x, @y] on @vc.
* @con_scroll: move lines from @top to @bottom in direction @dir by @lines.
* Return true if no generic handling should be done.
* Invoked by csi_M and printing to the console.
@@ -57,8 +58,9 @@ struct consw {
unsigned int x, unsigned int count);
void (*con_putc)(struct vc_data *vc, u16 ca, unsigned int y,
unsigned int x);
- void (*con_putcs)(struct vc_data *vc, const unsigned short *s,
- int count, int ypos, int xpos);
+ void (*con_putcs)(struct vc_data *vc, const u16 *s,
+ unsigned int count, unsigned int ypos,
+ unsigned int xpos);
void (*con_cursor)(struct vc_data *vc, int mode);
bool (*con_scroll)(struct vc_data *vc, unsigned int top,
unsigned int bottom, enum con_scroll dir,
--
GitLab
From 7c5337c9ead8099e310ae38738f956adef41146e Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:41 +0100
Subject: [PATCH 0200/2686] consoles: use if instead of switch-case in
consw::con_cursor()
This is only a preparation for the following cleanup patch to make it
easier. Provided CM_ERASE is the only different, use 'if' instead of
'switch+case' in all those.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-28-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/video/console/newport_con.c | 26 +++++-------
drivers/video/console/sticon.c | 27 ++++++------
drivers/video/console/vgacon.c | 66 +++++++++++++----------------
3 files changed, 53 insertions(+), 66 deletions(-)
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index 5e65ee0b7c077..f852717b88f0e 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -443,24 +443,20 @@ static void newport_cursor(struct vc_data *vc, int mode)
unsigned short treg;
int xcurs, ycurs;
- switch (mode) {
- case CM_ERASE:
- treg = newport_vc2_get(npregs, VC2_IREG_CONTROL);
- newport_vc2_set(npregs, VC2_IREG_CONTROL,
- (treg & ~(VC2_CTRL_ECDISP)));
- break;
+ treg = newport_vc2_get(npregs, VC2_IREG_CONTROL);
- case CM_MOVE:
- case CM_DRAW:
- treg = newport_vc2_get(npregs, VC2_IREG_CONTROL);
+ if (mode == CM_ERASE) {
newport_vc2_set(npregs, VC2_IREG_CONTROL,
- (treg | VC2_CTRL_ECDISP));
- xcurs = (vc->vc_pos - vc->vc_visible_origin) / 2;
- ycurs = ((xcurs / vc->vc_cols) << 4) + 31;
- xcurs = ((xcurs % vc->vc_cols) << 3) + xcurs_correction;
- newport_vc2_set(npregs, VC2_IREG_CURSX, xcurs);
- newport_vc2_set(npregs, VC2_IREG_CURSY, ycurs);
+ (treg & ~(VC2_CTRL_ECDISP)));
+ return;
}
+
+ newport_vc2_set(npregs, VC2_IREG_CONTROL, (treg | VC2_CTRL_ECDISP));
+ xcurs = (vc->vc_pos - vc->vc_visible_origin) / 2;
+ ycurs = ((xcurs / vc->vc_cols) << 4) + 31;
+ xcurs = ((xcurs % vc->vc_cols) << 3) + xcurs_correction;
+ newport_vc2_set(npregs, VC2_IREG_CURSX, xcurs);
+ newport_vc2_set(npregs, VC2_IREG_CURSY, ycurs);
}
static int newport_switch(struct vc_data *vc)
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index 906da1fde7c81..42480874db001 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -95,23 +95,20 @@ static void sticon_cursor(struct vc_data *conp, int mode)
return;
car1 = conp->vc_screenbuf[conp->state.x + conp->state.y * conp->vc_cols];
- switch (mode) {
- case CM_ERASE:
+ if (mode == CM_ERASE) {
sti_putc(sticon_sti, car1, conp->state.y, conp->state.x,
font_data[conp->vc_num]);
- break;
- case CM_MOVE:
- case CM_DRAW:
- switch (CUR_SIZE(conp->vc_cursor_type)) {
- case CUR_UNDERLINE:
- case CUR_LOWER_THIRD:
- case CUR_LOWER_HALF:
- case CUR_TWO_THIRDS:
- case CUR_BLOCK:
- sti_putc(sticon_sti, (car1 & 255) + (0 << 8) + (7 << 11),
- conp->state.y, conp->state.x, font_data[conp->vc_num]);
- break;
- }
+ return;
+ }
+
+ switch (CUR_SIZE(conp->vc_cursor_type)) {
+ case CUR_UNDERLINE:
+ case CUR_LOWER_THIRD:
+ case CUR_LOWER_HALF:
+ case CUR_TWO_THIRDS:
+ case CUR_BLOCK:
+ sti_putc(sticon_sti, (car1 & 255) + (0 << 8) + (7 << 11),
+ conp->state.y, conp->state.x, font_data[conp->vc_num]);
break;
}
}
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index aa0589085847a..82d01a9ccd6dd 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -514,47 +514,41 @@ static void vgacon_cursor(struct vc_data *c, int mode)
c_height = c->vc_cell_height;
- switch (mode) {
- case CM_ERASE:
- write_vga(14, (c->vc_pos - vga_vram_base) / 2);
+ write_vga(14, (c->vc_pos - vga_vram_base) / 2);
+
+ if (mode == CM_ERASE) {
if (vga_video_type >= VIDEO_TYPE_VGAC)
vgacon_set_cursor_size(31, 30);
else
vgacon_set_cursor_size(31, 31);
- break;
+ return;
+ }
- case CM_MOVE:
- case CM_DRAW:
- write_vga(14, (c->vc_pos - vga_vram_base) / 2);
- switch (CUR_SIZE(c->vc_cursor_type)) {
- case CUR_UNDERLINE:
- vgacon_set_cursor_size(c_height -
- (c_height < 10 ? 2 : 3),
- c_height -
- (c_height < 10 ? 1 : 2));
- break;
- case CUR_TWO_THIRDS:
- vgacon_set_cursor_size(c_height / 3, c_height -
- (c_height < 10 ? 1 : 2));
- break;
- case CUR_LOWER_THIRD:
- vgacon_set_cursor_size(c_height * 2 / 3, c_height -
- (c_height < 10 ? 1 : 2));
- break;
- case CUR_LOWER_HALF:
- vgacon_set_cursor_size(c_height / 2, c_height -
- (c_height < 10 ? 1 : 2));
- break;
- case CUR_NONE:
- if (vga_video_type >= VIDEO_TYPE_VGAC)
- vgacon_set_cursor_size(31, 30);
- else
- vgacon_set_cursor_size(31, 31);
- break;
- default:
- vgacon_set_cursor_size(1, c_height);
- break;
- }
+ switch (CUR_SIZE(c->vc_cursor_type)) {
+ case CUR_UNDERLINE:
+ vgacon_set_cursor_size(c_height - (c_height < 10 ? 2 : 3),
+ c_height - (c_height < 10 ? 1 : 2));
+ break;
+ case CUR_TWO_THIRDS:
+ vgacon_set_cursor_size(c_height / 3,
+ c_height - (c_height < 10 ? 1 : 2));
+ break;
+ case CUR_LOWER_THIRD:
+ vgacon_set_cursor_size(c_height * 2 / 3,
+ c_height - (c_height < 10 ? 1 : 2));
+ break;
+ case CUR_LOWER_HALF:
+ vgacon_set_cursor_size(c_height / 2,
+ c_height - (c_height < 10 ? 1 : 2));
+ break;
+ case CUR_NONE:
+ if (vga_video_type >= VIDEO_TYPE_VGAC)
+ vgacon_set_cursor_size(31, 30);
+ else
+ vgacon_set_cursor_size(31, 31);
+ break;
+ default:
+ vgacon_set_cursor_size(1, c_height);
break;
}
}
--
GitLab
From 9aefbaeb30abc3fc8c456920464ddbdd5d0a5786 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:42 +0100
Subject: [PATCH 0201/2686] fbdev/core: simplify cursor_state setting in
fbcon_ops::cursor()
There is a switch decicing if cursor should be drawn or not. The whole
switch can be simplified to one line. Do this cleanup as a preparatory
work for the next patch. There, all the CM_* constants are removed.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-29-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/video/fbdev/core/bitblit.c | 11 +----------
drivers/video/fbdev/core/fbcon_ccw.c | 11 +----------
drivers/video/fbdev/core/fbcon_cw.c | 11 +----------
drivers/video/fbdev/core/fbcon_ud.c | 11 +----------
4 files changed, 4 insertions(+), 40 deletions(-)
diff --git a/drivers/video/fbdev/core/bitblit.c b/drivers/video/fbdev/core/bitblit.c
index 8587c9da06700..daff152f4c224 100644
--- a/drivers/video/fbdev/core/bitblit.c
+++ b/drivers/video/fbdev/core/bitblit.c
@@ -348,16 +348,7 @@ static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode,
mask[i++] = msk;
}
- switch (mode) {
- case CM_ERASE:
- ops->cursor_state.enable = 0;
- break;
- case CM_DRAW:
- case CM_MOVE:
- default:
- ops->cursor_state.enable = (use_sw) ? 0 : 1;
- break;
- }
+ ops->cursor_state.enable = (mode != CM_ERASE) && !use_sw;
cursor.image.data = src;
cursor.image.fg_color = ops->cursor_state.image.fg_color;
diff --git a/drivers/video/fbdev/core/fbcon_ccw.c b/drivers/video/fbdev/core/fbcon_ccw.c
index 2789ace796342..889423d580bc8 100644
--- a/drivers/video/fbdev/core/fbcon_ccw.c
+++ b/drivers/video/fbdev/core/fbcon_ccw.c
@@ -349,16 +349,7 @@ static void ccw_cursor(struct vc_data *vc, struct fb_info *info, int mode,
kfree(tmp);
}
- switch (mode) {
- case CM_ERASE:
- ops->cursor_state.enable = 0;
- break;
- case CM_DRAW:
- case CM_MOVE:
- default:
- ops->cursor_state.enable = (use_sw) ? 0 : 1;
- break;
- }
+ ops->cursor_state.enable = (mode != CM_ERASE) && !use_sw;
cursor.image.data = src;
cursor.image.fg_color = ops->cursor_state.image.fg_color;
diff --git a/drivers/video/fbdev/core/fbcon_cw.c b/drivers/video/fbdev/core/fbcon_cw.c
index 86a254c1b2b7b..a306ca5802e8c 100644
--- a/drivers/video/fbdev/core/fbcon_cw.c
+++ b/drivers/video/fbdev/core/fbcon_cw.c
@@ -332,16 +332,7 @@ static void cw_cursor(struct vc_data *vc, struct fb_info *info, int mode,
kfree(tmp);
}
- switch (mode) {
- case CM_ERASE:
- ops->cursor_state.enable = 0;
- break;
- case CM_DRAW:
- case CM_MOVE:
- default:
- ops->cursor_state.enable = (use_sw) ? 0 : 1;
- break;
- }
+ ops->cursor_state.enable = (mode != CM_ERASE) && !use_sw;
cursor.image.data = src;
cursor.image.fg_color = ops->cursor_state.image.fg_color;
diff --git a/drivers/video/fbdev/core/fbcon_ud.c b/drivers/video/fbdev/core/fbcon_ud.c
index 23bc045769d08..f6fc458b46c7b 100644
--- a/drivers/video/fbdev/core/fbcon_ud.c
+++ b/drivers/video/fbdev/core/fbcon_ud.c
@@ -372,16 +372,7 @@ static void ud_cursor(struct vc_data *vc, struct fb_info *info, int mode,
mask[i++] = ~msk;
}
- switch (mode) {
- case CM_ERASE:
- ops->cursor_state.enable = 0;
- break;
- case CM_DRAW:
- case CM_MOVE:
- default:
- ops->cursor_state.enable = (use_sw) ? 0 : 1;
- break;
- }
+ ops->cursor_state.enable = (mode != CM_ERASE) && !use_sw;
cursor.image.data = src;
cursor.image.fg_color = ops->cursor_state.image.fg_color;
--
GitLab
From a292e3fc94cb9795bbba4ddac075a9055cd58a5e Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:43 +0100
Subject: [PATCH 0202/2686] tty: vt: remove CM_* constants
There is no difference between CM_MOVE and CM_DRAW. Either of them
enables the cursor. CM_ERASE then disables cursor.
So get rid of all of them and use simple "bool enable".
Note that this propagates down to the fbcon code.
And document the hook.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-30-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 4 ++--
drivers/video/console/dummycon.c | 2 +-
drivers/video/console/mdacon.c | 4 ++--
drivers/video/console/newport_con.c | 4 ++--
drivers/video/console/sticon.c | 6 +++---
drivers/video/console/vgacon.c | 6 +++---
drivers/video/fbdev/core/bitblit.c | 4 ++--
drivers/video/fbdev/core/fbcon.c | 19 +++++++++----------
drivers/video/fbdev/core/fbcon.h | 4 ++--
drivers/video/fbdev/core/fbcon_ccw.c | 4 ++--
drivers/video/fbdev/core/fbcon_cw.c | 4 ++--
drivers/video/fbdev/core/fbcon_ud.c | 4 ++--
drivers/video/fbdev/core/tileblit.c | 4 ++--
include/linux/console.h | 8 ++------
14 files changed, 36 insertions(+), 41 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 6091ffcf93d86..e4edcaf9d0a36 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -860,7 +860,7 @@ static void hide_cursor(struct vc_data *vc)
if (vc_is_sel(vc))
clear_selection();
- vc->vc_sw->con_cursor(vc, CM_ERASE);
+ vc->vc_sw->con_cursor(vc, false);
hide_softcursor(vc);
}
@@ -873,7 +873,7 @@ static void set_cursor(struct vc_data *vc)
clear_selection();
add_softcursor(vc);
if (CUR_SIZE(vc->vc_cursor_type) != CUR_NONE)
- vc->vc_sw->con_cursor(vc, CM_DRAW);
+ vc->vc_sw->con_cursor(vc, true);
} else
hide_cursor(vc);
}
diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c
index 188d9f3e201c4..1171e27edef7f 100644
--- a/drivers/video/console/dummycon.c
+++ b/drivers/video/console/dummycon.c
@@ -113,7 +113,7 @@ static void dummycon_init(struct vc_data *vc, bool init)
static void dummycon_deinit(struct vc_data *vc) { }
static void dummycon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
unsigned int width) { }
-static void dummycon_cursor(struct vc_data *vc, int mode) { }
+static void dummycon_cursor(struct vc_data *vc, bool enable) { }
static bool dummycon_scroll(struct vc_data *vc, unsigned int top,
unsigned int bottom, enum con_scroll dir,
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index b8822b615b2ff..bc851a1d9f4d1 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -470,9 +470,9 @@ static int mdacon_blank(struct vc_data *c, int blank, int mode_switch)
}
}
-static void mdacon_cursor(struct vc_data *c, int mode)
+static void mdacon_cursor(struct vc_data *c, bool enable)
{
- if (mode == CM_ERASE) {
+ if (!enable) {
mda_set_cursor(mda_vram_len - 1);
return;
}
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index f852717b88f0e..e35406dea7c7b 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -438,14 +438,14 @@ static void newport_putcs(struct vc_data *vc, const u16 *s,
}
}
-static void newport_cursor(struct vc_data *vc, int mode)
+static void newport_cursor(struct vc_data *vc, bool enable)
{
unsigned short treg;
int xcurs, ycurs;
treg = newport_vc2_get(npregs, VC2_IREG_CONTROL);
- if (mode == CM_ERASE) {
+ if (!enable) {
newport_vc2_set(npregs, VC2_IREG_CONTROL,
(treg & ~(VC2_CTRL_ECDISP)));
return;
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index 42480874db001..786e1b3a98eae 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -86,7 +86,7 @@ static void sticon_putcs(struct vc_data *conp, const u16 *s, unsigned int count,
}
}
-static void sticon_cursor(struct vc_data *conp, int mode)
+static void sticon_cursor(struct vc_data *conp, bool enable)
{
unsigned short car1;
@@ -95,7 +95,7 @@ static void sticon_cursor(struct vc_data *conp, int mode)
return;
car1 = conp->vc_screenbuf[conp->state.x + conp->state.y * conp->vc_cols];
- if (mode == CM_ERASE) {
+ if (!enable) {
sti_putc(sticon_sti, car1, conp->state.y, conp->state.x,
font_data[conp->vc_num]);
return;
@@ -121,7 +121,7 @@ static bool sticon_scroll(struct vc_data *conp, unsigned int t,
if (vga_is_gfx)
return false;
- sticon_cursor(conp, CM_ERASE);
+ sticon_cursor(conp, false);
switch (dir) {
case SM_UP:
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 82d01a9ccd6dd..d93eb15da4353 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -503,7 +503,7 @@ static void vgacon_set_cursor_size(int from, int to)
raw_spin_unlock_irqrestore(&vga_lock, flags);
}
-static void vgacon_cursor(struct vc_data *c, int mode)
+static void vgacon_cursor(struct vc_data *c, bool enable)
{
unsigned int c_height;
@@ -516,7 +516,7 @@ static void vgacon_cursor(struct vc_data *c, int mode)
write_vga(14, (c->vc_pos - vga_vram_base) / 2);
- if (mode == CM_ERASE) {
+ if (!enable) {
if (vga_video_type >= VIDEO_TYPE_VGAC)
vgacon_set_cursor_size(31, 30);
else
@@ -1030,7 +1030,7 @@ static int vgacon_adjust_height(struct vc_data *vc, unsigned fontheight)
/* void size to cause regs to be rewritten */
cursor_size_lastfrom = 0;
cursor_size_lastto = 0;
- c->vc_sw->con_cursor(c, CM_DRAW);
+ c->vc_sw->con_cursor(c, true);
}
c->vc_font.height = c->vc_cell_height = fontheight;
vc_resize(c, 0, rows); /* Adjust console size */
diff --git a/drivers/video/fbdev/core/bitblit.c b/drivers/video/fbdev/core/bitblit.c
index daff152f4c224..3ff1b2a8659e8 100644
--- a/drivers/video/fbdev/core/bitblit.c
+++ b/drivers/video/fbdev/core/bitblit.c
@@ -233,7 +233,7 @@ static void bit_clear_margins(struct vc_data *vc, struct fb_info *info,
}
}
-static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode,
+static void bit_cursor(struct vc_data *vc, struct fb_info *info, bool enable,
int fg, int bg)
{
struct fb_cursor cursor;
@@ -348,7 +348,7 @@ static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode,
mask[i++] = msk;
}
- ops->cursor_state.enable = (mode != CM_ERASE) && !use_sw;
+ ops->cursor_state.enable = enable && !use_sw;
cursor.image.data = src;
cursor.image.fg_color = ops->cursor_state.image.fg_color;
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 7a7b2ac0d7a9f..c1765a6ef490e 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -351,7 +351,7 @@ static void fb_flashcursor(struct work_struct *work)
struct fb_info *info;
struct vc_data *vc = NULL;
int c;
- int mode;
+ bool enable;
int ret;
/* FIXME: we should sort out the unbind locking instead */
@@ -375,9 +375,8 @@ static void fb_flashcursor(struct work_struct *work)
}
c = scr_readw((u16 *) vc->vc_pos);
- mode = (!ops->cursor_flash || ops->cursor_state.enable) ?
- CM_ERASE : CM_DRAW;
- ops->cursor(vc, info, mode, get_color(vc, info, c, 1),
+ enable = ops->cursor_flash && !ops->cursor_state.enable;
+ ops->cursor(vc, info, enable, get_color(vc, info, c, 1),
get_color(vc, info, c, 0));
console_unlock();
@@ -1301,7 +1300,7 @@ static void fbcon_clear_margins(struct vc_data *vc, int bottom_only)
ops->clear_margins(vc, info, margin_color, bottom_only);
}
-static void fbcon_cursor(struct vc_data *vc, int mode)
+static void fbcon_cursor(struct vc_data *vc, bool enable)
{
struct fb_info *info = fbcon_info_from_console(vc->vc_num);
struct fbcon_ops *ops = info->fbcon_par;
@@ -1317,12 +1316,12 @@ static void fbcon_cursor(struct vc_data *vc, int mode)
else
fbcon_add_cursor_work(info);
- ops->cursor_flash = (mode == CM_ERASE) ? 0 : 1;
+ ops->cursor_flash = enable;
if (!ops->cursor)
return;
- ops->cursor(vc, info, mode, get_color(vc, info, c, 1),
+ ops->cursor(vc, info, enable, get_color(vc, info, c, 1),
get_color(vc, info, c, 0));
}
@@ -1742,7 +1741,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
if (fbcon_is_inactive(vc, info))
return true;
- fbcon_cursor(vc, CM_ERASE);
+ fbcon_cursor(vc, false);
/*
* ++Geert: Only use ywrap/ypan if the console is in text mode
@@ -2221,7 +2220,7 @@ static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)
if (!fbcon_is_inactive(vc, info)) {
if (ops->blank_state != blank) {
ops->blank_state = blank;
- fbcon_cursor(vc, blank ? CM_ERASE : CM_DRAW);
+ fbcon_cursor(vc, !blank);
ops->cursor_flash = (!blank);
if (fb_blank(info, blank))
@@ -2649,7 +2648,7 @@ void fbcon_suspended(struct fb_info *info)
vc = vc_cons[ops->currcon].d;
/* Clear cursor, restore saved data */
- fbcon_cursor(vc, CM_ERASE);
+ fbcon_cursor(vc, false);
}
void fbcon_resumed(struct fb_info *info)
diff --git a/drivers/video/fbdev/core/fbcon.h b/drivers/video/fbdev/core/fbcon.h
index 0eaf54a211516..df70ea5ec5b37 100644
--- a/drivers/video/fbdev/core/fbcon.h
+++ b/drivers/video/fbdev/core/fbcon.h
@@ -61,8 +61,8 @@ struct fbcon_ops {
int fg, int bg);
void (*clear_margins)(struct vc_data *vc, struct fb_info *info,
int color, int bottom_only);
- void (*cursor)(struct vc_data *vc, struct fb_info *info, int mode,
- int fg, int bg);
+ void (*cursor)(struct vc_data *vc, struct fb_info *info,
+ bool enable, int fg, int bg);
int (*update_start)(struct fb_info *info);
int (*rotate_font)(struct fb_info *info, struct vc_data *vc);
struct fb_var_screeninfo var; /* copy of the current fb_var_screeninfo */
diff --git a/drivers/video/fbdev/core/fbcon_ccw.c b/drivers/video/fbdev/core/fbcon_ccw.c
index 889423d580bc8..f9b794ff7d396 100644
--- a/drivers/video/fbdev/core/fbcon_ccw.c
+++ b/drivers/video/fbdev/core/fbcon_ccw.c
@@ -218,7 +218,7 @@ static void ccw_clear_margins(struct vc_data *vc, struct fb_info *info,
}
}
-static void ccw_cursor(struct vc_data *vc, struct fb_info *info, int mode,
+static void ccw_cursor(struct vc_data *vc, struct fb_info *info, bool enable,
int fg, int bg)
{
struct fb_cursor cursor;
@@ -349,7 +349,7 @@ static void ccw_cursor(struct vc_data *vc, struct fb_info *info, int mode,
kfree(tmp);
}
- ops->cursor_state.enable = (mode != CM_ERASE) && !use_sw;
+ ops->cursor_state.enable = enable && !use_sw;
cursor.image.data = src;
cursor.image.fg_color = ops->cursor_state.image.fg_color;
diff --git a/drivers/video/fbdev/core/fbcon_cw.c b/drivers/video/fbdev/core/fbcon_cw.c
index a306ca5802e8c..903f6fc174e14 100644
--- a/drivers/video/fbdev/core/fbcon_cw.c
+++ b/drivers/video/fbdev/core/fbcon_cw.c
@@ -201,7 +201,7 @@ static void cw_clear_margins(struct vc_data *vc, struct fb_info *info,
}
}
-static void cw_cursor(struct vc_data *vc, struct fb_info *info, int mode,
+static void cw_cursor(struct vc_data *vc, struct fb_info *info, bool enable,
int fg, int bg)
{
struct fb_cursor cursor;
@@ -332,7 +332,7 @@ static void cw_cursor(struct vc_data *vc, struct fb_info *info, int mode,
kfree(tmp);
}
- ops->cursor_state.enable = (mode != CM_ERASE) && !use_sw;
+ ops->cursor_state.enable = enable && !use_sw;
cursor.image.data = src;
cursor.image.fg_color = ops->cursor_state.image.fg_color;
diff --git a/drivers/video/fbdev/core/fbcon_ud.c b/drivers/video/fbdev/core/fbcon_ud.c
index f6fc458b46c7b..594331936fd3c 100644
--- a/drivers/video/fbdev/core/fbcon_ud.c
+++ b/drivers/video/fbdev/core/fbcon_ud.c
@@ -248,7 +248,7 @@ static void ud_clear_margins(struct vc_data *vc, struct fb_info *info,
}
}
-static void ud_cursor(struct vc_data *vc, struct fb_info *info, int mode,
+static void ud_cursor(struct vc_data *vc, struct fb_info *info, bool enable,
int fg, int bg)
{
struct fb_cursor cursor;
@@ -372,7 +372,7 @@ static void ud_cursor(struct vc_data *vc, struct fb_info *info, int mode,
mask[i++] = ~msk;
}
- ops->cursor_state.enable = (mode != CM_ERASE) && !use_sw;
+ ops->cursor_state.enable = enable && !use_sw;
cursor.image.data = src;
cursor.image.fg_color = ops->cursor_state.image.fg_color;
diff --git a/drivers/video/fbdev/core/tileblit.c b/drivers/video/fbdev/core/tileblit.c
index 2768eff247ba4..eff7ec4da1671 100644
--- a/drivers/video/fbdev/core/tileblit.c
+++ b/drivers/video/fbdev/core/tileblit.c
@@ -79,7 +79,7 @@ static void tile_clear_margins(struct vc_data *vc, struct fb_info *info,
return;
}
-static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode,
+static void tile_cursor(struct vc_data *vc, struct fb_info *info, bool enable,
int fg, int bg)
{
struct fb_tilecursor cursor;
@@ -87,7 +87,7 @@ static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode,
cursor.sx = vc->state.x;
cursor.sy = vc->state.y;
- cursor.mode = (mode == CM_ERASE || use_sw) ? 0 : 1;
+ cursor.mode = enable && !use_sw;
cursor.fg = fg;
cursor.bg = bg;
diff --git a/include/linux/console.h b/include/linux/console.h
index 82d55764a66f8..a6a46b5efd661 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -42,6 +42,7 @@ enum vc_intensity;
* @con_putc: emit one character with attributes @ca to [@x, @y] on @vc.
* (optional -- @con_putcs would be called instead)
* @con_putcs: emit @count characters with attributes @s to [@x, @y] on @vc.
+ * @con_cursor: enable/disable cursor depending on @enable
* @con_scroll: move lines from @top to @bottom in direction @dir by @lines.
* Return true if no generic handling should be done.
* Invoked by csi_M and printing to the console.
@@ -61,7 +62,7 @@ struct consw {
void (*con_putcs)(struct vc_data *vc, const u16 *s,
unsigned int count, unsigned int ypos,
unsigned int xpos);
- void (*con_cursor)(struct vc_data *vc, int mode);
+ void (*con_cursor)(struct vc_data *vc, bool enable);
bool (*con_scroll)(struct vc_data *vc, unsigned int top,
unsigned int bottom, enum con_scroll dir,
unsigned int lines);
@@ -128,11 +129,6 @@ static inline void con_debug_enter(struct vc_data *vc) { }
static inline void con_debug_leave(void) { }
#endif
-/* cursor */
-#define CM_DRAW (1)
-#define CM_ERASE (2)
-#define CM_MOVE (3)
-
/*
* The interface for a console, or any other device that wants to capture
* console messages (printer driver?)
--
GitLab
From 8d5cc8eed738e3202379722295c626cba0849785 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:44 +0100
Subject: [PATCH 0203/2686] tty: vt: make consw::con_switch() return a bool
The non-zero (true) return value from consw::con_switch() means a redraw
is needed. So make this return type a bool explicitly instead of int.
The latter might imply that -Eerrors are expected. They are not.
And document the hook.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-31-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 2 +-
drivers/video/console/dummycon.c | 4 ++--
drivers/video/console/mdacon.c | 4 ++--
drivers/video/console/newport_con.c | 4 ++--
drivers/video/console/sticon.c | 4 ++--
drivers/video/console/vgacon.c | 4 ++--
drivers/video/fbdev/core/fbcon.c | 6 +++---
include/linux/console.h | 4 +++-
8 files changed, 17 insertions(+), 15 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index e4edcaf9d0a36..fd868046f586f 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -970,7 +970,7 @@ void redraw_screen(struct vc_data *vc, int is_switch)
}
if (redraw) {
- int update;
+ bool update;
int old_was_color = vc->vc_can_do_color;
set_origin(vc);
diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c
index 1171e27edef7f..c8d5aa0e3ed0a 100644
--- a/drivers/video/console/dummycon.c
+++ b/drivers/video/console/dummycon.c
@@ -122,9 +122,9 @@ static bool dummycon_scroll(struct vc_data *vc, unsigned int top,
return false;
}
-static int dummycon_switch(struct vc_data *vc)
+static bool dummycon_switch(struct vc_data *vc)
{
- return 0;
+ return false;
}
/*
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index bc851a1d9f4d1..4485ef923bb33 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -446,9 +446,9 @@ static void mdacon_clear(struct vc_data *c, unsigned int y, unsigned int x,
scr_memsetw(dest, eattr, width * 2);
}
-static int mdacon_switch(struct vc_data *c)
+static bool mdacon_switch(struct vc_data *c)
{
- return 1; /* redrawing needed */
+ return true; /* redrawing needed */
}
static int mdacon_blank(struct vc_data *c, int blank, int mode_switch)
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index e35406dea7c7b..039d1c9937d22 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -459,7 +459,7 @@ static void newport_cursor(struct vc_data *vc, bool enable)
newport_vc2_set(npregs, VC2_IREG_CURSY, ycurs);
}
-static int newport_switch(struct vc_data *vc)
+static bool newport_switch(struct vc_data *vc)
{
static int logo_drawn = 0;
@@ -473,7 +473,7 @@ static int newport_switch(struct vc_data *vc)
}
}
- return 1;
+ return true;
}
static int newport_blank(struct vc_data *c, int blank, int mode_switch)
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index 786e1b3a98eae..f3bb48a0e9801 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -293,9 +293,9 @@ static void sticon_clear(struct vc_data *conp, unsigned int sy, unsigned int sx,
conp->vc_video_erase_char, font_data[conp->vc_num]);
}
-static int sticon_switch(struct vc_data *conp)
+static bool sticon_switch(struct vc_data *conp)
{
- return 1; /* needs refreshing */
+ return true; /* needs refreshing */
}
static int sticon_blank(struct vc_data *c, int blank, int mode_switch)
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index d93eb15da4353..f89eb53c0b79e 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -614,7 +614,7 @@ static void vgacon_doresize(struct vc_data *c,
raw_spin_unlock_irqrestore(&vga_lock, flags);
}
-static int vgacon_switch(struct vc_data *c)
+static bool vgacon_switch(struct vc_data *c)
{
int x = c->vc_cols * VGA_FONTWIDTH;
int y = c->vc_rows * c->vc_cell_height;
@@ -643,7 +643,7 @@ static int vgacon_switch(struct vc_data *c)
vgacon_doresize(c, c->vc_cols, c->vc_rows);
}
- return 0; /* Redrawing not needed */
+ return false; /* Redrawing not needed */
}
static void vga_set_palette(struct vc_data *vc, const unsigned char *table)
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index c1765a6ef490e..d5d924225209a 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2056,7 +2056,7 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width,
return 0;
}
-static int fbcon_switch(struct vc_data *vc)
+static bool fbcon_switch(struct vc_data *vc)
{
struct fb_info *info, *old_info = NULL;
struct fbcon_ops *ops;
@@ -2178,9 +2178,9 @@ static int fbcon_switch(struct vc_data *vc)
vc->vc_origin + vc->vc_size_row * vc->vc_top,
vc->vc_size_row * (vc->vc_bottom -
vc->vc_top) / 2);
- return 0;
+ return false;
}
- return 1;
+ return true;
}
static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info,
diff --git a/include/linux/console.h b/include/linux/console.h
index a6a46b5efd661..f7c6b5fc3a368 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -46,6 +46,8 @@ enum vc_intensity;
* @con_scroll: move lines from @top to @bottom in direction @dir by @lines.
* Return true if no generic handling should be done.
* Invoked by csi_M and printing to the console.
+ * @con_switch: notifier about the console switch; it is supposed to return
+ * true if a redraw is needed.
* @con_set_palette: sets the palette of the console to @table (optional)
* @con_scrolldelta: the contents of the console should be scrolled by @lines.
* Invoked by user. (optional)
@@ -66,7 +68,7 @@ struct consw {
bool (*con_scroll)(struct vc_data *vc, unsigned int top,
unsigned int bottom, enum con_scroll dir,
unsigned int lines);
- int (*con_switch)(struct vc_data *vc);
+ bool (*con_switch)(struct vc_data *vc);
int (*con_blank)(struct vc_data *vc, int blank, int mode_switch);
int (*con_font_set)(struct vc_data *vc, struct console_font *font,
unsigned int vpitch, unsigned int flags);
--
GitLab
From 735a51943f5626f2b8729e43cc528341f04c8dee Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:45 +0100
Subject: [PATCH 0204/2686] tty: vt: stop using -1 for blank mode in
consw::con_blank()
-1 is the same as VESA_VSYNC_SUSPEND in all con_blank() implementations.
So we can remove this special case from vgacon now too.
Despite con_blank() of fbcon looks complicated, the "if
(!fbcon_is_inactive(vc, info))" branch is not taken as we set
"ops->graphics = 1;" few lines above. So what matters there (as in all
other blank implementations except vgacon) is if 'blank' is zero or not.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-32-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 2 +-
drivers/video/console/vgacon.c | 1 -
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index fd868046f586f..13be125a06aaf 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -4347,7 +4347,7 @@ void do_blank_screen(int entering_gfx)
if (entering_gfx) {
hide_cursor(vc);
save_screen(vc);
- vc->vc_sw->con_blank(vc, -1, 1);
+ vc->vc_sw->con_blank(vc, 1, 1);
console_blanked = fg_console + 1;
blank_state = blank_off;
set_origin(vc);
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index f89eb53c0b79e..804b6a180b604 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -814,7 +814,6 @@ static int vgacon_blank(struct vc_data *c, int blank, int mode_switch)
/* Tell console.c that it has to restore the screen itself */
return 1;
case 1: /* Normal blanking */
- case -1: /* Obsolete */
if (!mode_switch && vga_video_type == VIDEO_TYPE_VGAC) {
vga_pal_blank(&vgastate);
vga_palette_blanked = true;
--
GitLab
From ace4ebf9b70a7daea12102c09ba5ef6bb73223aa Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:46 +0100
Subject: [PATCH 0205/2686] tty: vt: define a common enum for VESA blanking
constants
There are currently two places with VESA blanking constants definitions:
fb.h and console.h. Extract/unify the two to a separate header (vesa.h).
Given the fb's is in an uapi header, create the common header in uapi
too.
Note that instead of macros, an enum (vesa_blank_mode) is created. But
the macros are kept too (they now expand to the enum constants), just in
case someone in userspace performs some #ifdeffery.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-kernel@vger.kernel.org
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-33-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/console.h | 7 +------
include/uapi/linux/fb.h | 8 +-------
include/uapi/linux/vesa.h | 18 ++++++++++++++++++
3 files changed, 20 insertions(+), 13 deletions(-)
create mode 100644 include/uapi/linux/vesa.h
diff --git a/include/linux/console.h b/include/linux/console.h
index f7c6b5fc3a368..860f82756c9c9 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -18,6 +18,7 @@
#include <linux/bits.h>
#include <linux/rculist.h>
#include <linux/types.h>
+#include <linux/vesa.h>
struct vc_data;
struct console_font_op;
@@ -520,12 +521,6 @@ void vcs_remove_sysfs(int index);
*/
extern atomic_t ignore_console_lock_warning;
-/* VESA Blanking Levels */
-#define VESA_NO_BLANKING 0
-#define VESA_VSYNC_SUSPEND 1
-#define VESA_HSYNC_SUSPEND 2
-#define VESA_POWERDOWN 3
-
extern void console_init(void);
/* For deferred console takeover */
diff --git a/include/uapi/linux/fb.h b/include/uapi/linux/fb.h
index 3a49913d006c9..cde8f173f566b 100644
--- a/include/uapi/linux/fb.h
+++ b/include/uapi/linux/fb.h
@@ -4,6 +4,7 @@
#include <linux/types.h>
#include <linux/i2c.h>
+#include <linux/vesa.h>
/* Definitions of frame buffers */
@@ -293,13 +294,6 @@ struct fb_con2fbmap {
__u32 framebuffer;
};
-/* VESA Blanking Levels */
-#define VESA_NO_BLANKING 0
-#define VESA_VSYNC_SUSPEND 1
-#define VESA_HSYNC_SUSPEND 2
-#define VESA_POWERDOWN 3
-
-
enum {
/* screen: unblanked, hsync: on, vsync: on */
FB_BLANK_UNBLANK = VESA_NO_BLANKING,
diff --git a/include/uapi/linux/vesa.h b/include/uapi/linux/vesa.h
new file mode 100644
index 0000000000000..81947f5088cdf
--- /dev/null
+++ b/include/uapi/linux/vesa.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _UAPI_LINUX_VESA_H
+#define _UAPI_LINUX_VESA_H
+
+/* VESA Blanking Levels */
+enum vesa_blank_mode {
+ VESA_NO_BLANKING = 0,
+#define VESA_NO_BLANKING VESA_NO_BLANKING
+ VESA_VSYNC_SUSPEND = 1,
+#define VESA_VSYNC_SUSPEND VESA_VSYNC_SUSPEND
+ VESA_HSYNC_SUSPEND = 2,
+#define VESA_HSYNC_SUSPEND VESA_HSYNC_SUSPEND
+ VESA_POWERDOWN = VESA_VSYNC_SUSPEND | VESA_HSYNC_SUSPEND,
+#define VESA_POWERDOWN VESA_POWERDOWN
+ VESA_BLANK_MAX = VESA_POWERDOWN,
+};
+
+#endif
--
GitLab
From 15d0fff7d688b9b2a975a17308e4d7c6be75aa8f Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:47 +0100
Subject: [PATCH 0206/2686] tty: vt: use VESA blanking constants
There are VESA blanking constants defined in vesa.h. So use them in the
console code instead of constant values.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-34-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 9 +++++----
drivers/video/console/newport_con.c | 2 +-
drivers/video/console/sticon.c | 2 +-
drivers/video/console/vgacon.c | 6 +++---
4 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 13be125a06aaf..0d5d7b5074a43 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -4320,7 +4320,7 @@ static int set_vesa_blanking(u8 __user *mode_user)
return -EFAULT;
console_lock();
- vesa_blank_mode = (mode < 4) ? mode : 0;
+ vesa_blank_mode = (mode < 4) ? mode : VESA_NO_BLANKING;
console_unlock();
return 0;
@@ -4347,7 +4347,7 @@ void do_blank_screen(int entering_gfx)
if (entering_gfx) {
hide_cursor(vc);
save_screen(vc);
- vc->vc_sw->con_blank(vc, 1, 1);
+ vc->vc_sw->con_blank(vc, VESA_VSYNC_SUSPEND, 1);
console_blanked = fg_console + 1;
blank_state = blank_off;
set_origin(vc);
@@ -4368,7 +4368,8 @@ void do_blank_screen(int entering_gfx)
save_screen(vc);
/* In case we need to reset origin, blanking hook returns 1 */
- i = vc->vc_sw->con_blank(vc, vesa_off_interval ? 1 : (vesa_blank_mode + 1), 0);
+ i = vc->vc_sw->con_blank(vc, vesa_off_interval ? VESA_VSYNC_SUSPEND :
+ (vesa_blank_mode + 1), 0);
console_blanked = fg_console + 1;
if (i)
set_origin(vc);
@@ -4419,7 +4420,7 @@ void do_unblank_screen(int leaving_gfx)
}
console_blanked = 0;
- if (vc->vc_sw->con_blank(vc, 0, leaving_gfx))
+ if (vc->vc_sw->con_blank(vc, VESA_NO_BLANKING, leaving_gfx))
/* Low-level driver cannot restore -> do it ourselves */
update_screen(vc);
if (console_blank_hook)
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index 039d1c9937d22..ad3a09142770e 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -480,7 +480,7 @@ static int newport_blank(struct vc_data *c, int blank, int mode_switch)
{
unsigned short treg;
- if (blank == 0) {
+ if (blank == VESA_NO_BLANKING) {
/* unblank console */
treg = newport_vc2_get(npregs, VC2_IREG_CONTROL);
newport_vc2_set(npregs, VC2_IREG_CONTROL,
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index f3bb48a0e9801..817b89c45e816 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -300,7 +300,7 @@ static bool sticon_switch(struct vc_data *conp)
static int sticon_blank(struct vc_data *c, int blank, int mode_switch)
{
- if (blank == 0) {
+ if (blank == VESA_NO_BLANKING) {
if (mode_switch)
vga_is_gfx = 0;
return 1;
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 804b6a180b604..02eccd9b3542c 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -800,10 +800,10 @@ static void vga_pal_blank(struct vgastate *state)
static int vgacon_blank(struct vc_data *c, int blank, int mode_switch)
{
switch (blank) {
- case 0: /* Unblank */
+ case VESA_NO_BLANKING: /* Unblank */
if (vga_vesa_blanked) {
vga_vesa_unblank(&vgastate);
- vga_vesa_blanked = 0;
+ vga_vesa_blanked = VESA_NO_BLANKING;
}
if (vga_palette_blanked) {
vga_set_palette(c, color_table);
@@ -813,7 +813,7 @@ static int vgacon_blank(struct vc_data *c, int blank, int mode_switch)
vga_is_gfx = false;
/* Tell console.c that it has to restore the screen itself */
return 1;
- case 1: /* Normal blanking */
+ case VESA_VSYNC_SUSPEND: /* Normal blanking */
if (!mode_switch && vga_video_type == VIDEO_TYPE_VGAC) {
vga_pal_blank(&vgastate);
vga_palette_blanked = true;
--
GitLab
From 0a58d83dfb14ac30126c37b18d4578e5b261459d Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:48 +0100
Subject: [PATCH 0207/2686] tty: vt: use enum constants for VESA blanking modes
Use the new enum for VESA constants. This improves type checking in
consw::con_blank().
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-35-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 4 ++--
drivers/video/console/dummycon.c | 6 ++++--
drivers/video/console/mdacon.c | 3 ++-
drivers/video/console/newport_con.c | 3 ++-
drivers/video/console/sticon.c | 3 ++-
drivers/video/console/vgacon.c | 7 ++++---
drivers/video/fbdev/core/fbcon.c | 3 ++-
include/linux/console.h | 3 ++-
8 files changed, 20 insertions(+), 12 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 0d5d7b5074a43..de9148094c2dd 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -175,7 +175,7 @@ int do_poke_blanked_console;
int console_blanked;
EXPORT_SYMBOL(console_blanked);
-static int vesa_blank_mode; /* 0:none 1:suspendV 2:suspendH 3:powerdown */
+static enum vesa_blank_mode vesa_blank_mode;
static int vesa_off_interval;
static int blankinterval;
core_param(consoleblank, blankinterval, int, 0444);
@@ -4320,7 +4320,7 @@ static int set_vesa_blanking(u8 __user *mode_user)
return -EFAULT;
console_lock();
- vesa_blank_mode = (mode < 4) ? mode : VESA_NO_BLANKING;
+ vesa_blank_mode = (mode <= VESA_BLANK_MAX) ? mode : VESA_NO_BLANKING;
console_unlock();
return 0;
diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c
index c8d5aa0e3ed0a..d86c1d7986907 100644
--- a/drivers/video/console/dummycon.c
+++ b/drivers/video/console/dummycon.c
@@ -79,7 +79,8 @@ static void dummycon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
raw_notifier_call_chain(&dummycon_output_nh, 0, NULL);
}
-static int dummycon_blank(struct vc_data *vc, int blank, int mode_switch)
+static int dummycon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
+ int mode_switch)
{
/* Redraw, so that we get putc(s) for output done while blanked */
return 1;
@@ -89,7 +90,8 @@ static void dummycon_putc(struct vc_data *vc, u16 c, unsigned int y,
unsigned int x) { }
static void dummycon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
unsigned int ypos, unsigned int xpos) { }
-static int dummycon_blank(struct vc_data *vc, int blank, int mode_switch)
+static int dummycon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
+ int mode_switch)
{
return 0;
}
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index 4485ef923bb33..63e3ce678aabf 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -451,7 +451,8 @@ static bool mdacon_switch(struct vc_data *c)
return true; /* redrawing needed */
}
-static int mdacon_blank(struct vc_data *c, int blank, int mode_switch)
+static int mdacon_blank(struct vc_data *c, enum vesa_blank_mode blank,
+ int mode_switch)
{
if (mda_type == TYPE_MDA) {
if (blank)
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index ad3a09142770e..38437a53b7f11 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -476,7 +476,8 @@ static bool newport_switch(struct vc_data *vc)
return true;
}
-static int newport_blank(struct vc_data *c, int blank, int mode_switch)
+static int newport_blank(struct vc_data *c, enum vesa_blank_mode blank,
+ int mode_switch)
{
unsigned short treg;
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index 817b89c45e816..e9d5d1f928835 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -298,7 +298,8 @@ static bool sticon_switch(struct vc_data *conp)
return true; /* needs refreshing */
}
-static int sticon_blank(struct vc_data *c, int blank, int mode_switch)
+static int sticon_blank(struct vc_data *c, enum vesa_blank_mode blank,
+ int mode_switch)
{
if (blank == VESA_NO_BLANKING) {
if (mode_switch)
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 02eccd9b3542c..84f3682704c7c 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -81,7 +81,7 @@ static unsigned int vga_video_num_lines; /* Number of text lines */
static bool vga_can_do_color; /* Do we support colors? */
static unsigned int vga_default_font_height __read_mostly; /* Height of default screen font */
static unsigned char vga_video_type __read_mostly; /* Card type */
-static int vga_vesa_blanked;
+static enum vesa_blank_mode vga_vesa_blanked;
static bool vga_palette_blanked;
static bool vga_is_gfx;
static bool vga_512_chars;
@@ -683,7 +683,7 @@ static struct {
unsigned char ClockingMode; /* Seq-Controller:01h */
} vga_state;
-static void vga_vesa_blank(struct vgastate *state, int mode)
+static void vga_vesa_blank(struct vgastate *state, enum vesa_blank_mode mode)
{
/* save original values of VGA controller registers */
if (!vga_vesa_blanked) {
@@ -797,7 +797,8 @@ static void vga_pal_blank(struct vgastate *state)
}
}
-static int vgacon_blank(struct vc_data *c, int blank, int mode_switch)
+static int vgacon_blank(struct vc_data *c, enum vesa_blank_mode blank,
+ int mode_switch)
{
switch (blank) {
case VESA_NO_BLANKING: /* Unblank */
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index d5d924225209a..69be5f2106bc6 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2198,7 +2198,8 @@ static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info,
}
}
-static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)
+static int fbcon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
+ int mode_switch)
{
struct fb_info *info = fbcon_info_from_console(vc->vc_num);
struct fbcon_ops *ops = info->fbcon_par;
diff --git a/include/linux/console.h b/include/linux/console.h
index 860f82756c9c9..69040d7c8f974 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -70,7 +70,8 @@ struct consw {
unsigned int bottom, enum con_scroll dir,
unsigned int lines);
bool (*con_switch)(struct vc_data *vc);
- int (*con_blank)(struct vc_data *vc, int blank, int mode_switch);
+ int (*con_blank)(struct vc_data *vc, enum vesa_blank_mode blank,
+ int mode_switch);
int (*con_font_set)(struct vc_data *vc, struct console_font *font,
unsigned int vpitch, unsigned int flags);
int (*con_font_get)(struct vc_data *vc, struct console_font *font,
--
GitLab
From 77e110936a42b212c0fb576356ed274eb1d90c54 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:49 +0100
Subject: [PATCH 0208/2686] tty: vt: make types around consw::con_blank() bool
Both the mode_switch parameter and the return value (a redraw needed)
are true/false. So switch them to bool, so that users won't return
-Eerrors or anything else.
And document the hook.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-36-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/video/console/dummycon.c | 12 ++++++------
drivers/video/console/mdacon.c | 8 ++++----
drivers/video/console/newport_con.c | 7 ++++---
drivers/video/console/sticon.c | 9 +++++----
drivers/video/console/vgacon.c | 4 ++--
drivers/video/fbdev/core/fbcon.c | 6 +++---
include/linux/console.h | 7 +++++--
7 files changed, 29 insertions(+), 24 deletions(-)
diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c
index d86c1d7986907..139049368fdcf 100644
--- a/drivers/video/console/dummycon.c
+++ b/drivers/video/console/dummycon.c
@@ -79,21 +79,21 @@ static void dummycon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
raw_notifier_call_chain(&dummycon_output_nh, 0, NULL);
}
-static int dummycon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
- int mode_switch)
+static bool dummycon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
+ bool mode_switch)
{
/* Redraw, so that we get putc(s) for output done while blanked */
- return 1;
+ return true;
}
#else
static void dummycon_putc(struct vc_data *vc, u16 c, unsigned int y,
unsigned int x) { }
static void dummycon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
unsigned int ypos, unsigned int xpos) { }
-static int dummycon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
- int mode_switch)
+static bool dummycon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
+ bool mode_switch)
{
- return 0;
+ return false;
}
#endif
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index 63e3ce678aabf..c0e1f4554a44b 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -451,8 +451,8 @@ static bool mdacon_switch(struct vc_data *c)
return true; /* redrawing needed */
}
-static int mdacon_blank(struct vc_data *c, enum vesa_blank_mode blank,
- int mode_switch)
+static bool mdacon_blank(struct vc_data *c, enum vesa_blank_mode blank,
+ bool mode_switch)
{
if (mda_type == TYPE_MDA) {
if (blank)
@@ -460,14 +460,14 @@ static int mdacon_blank(struct vc_data *c, enum vesa_blank_mode blank,
mda_convert_attr(c->vc_video_erase_char),
c->vc_screenbuf_size);
/* Tell console.c that it has to restore the screen itself */
- return 1;
+ return true;
} else {
if (blank)
outb_p(0x00, mda_mode_port); /* disable video */
else
outb_p(MDA_MODE_VIDEO_EN | MDA_MODE_BLINK_EN,
mda_mode_port);
- return 0;
+ return false;
}
}
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index 38437a53b7f11..dbb31bf87bf1c 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -476,8 +476,8 @@ static bool newport_switch(struct vc_data *vc)
return true;
}
-static int newport_blank(struct vc_data *c, enum vesa_blank_mode blank,
- int mode_switch)
+static bool newport_blank(struct vc_data *c, enum vesa_blank_mode blank,
+ bool mode_switch)
{
unsigned short treg;
@@ -492,7 +492,8 @@ static int newport_blank(struct vc_data *c, enum vesa_blank_mode blank,
newport_vc2_set(npregs, VC2_IREG_CONTROL,
(treg & ~(VC2_CTRL_EDISP)));
}
- return 1;
+
+ return true;
}
static int newport_set_font(int unit, struct console_font *op, unsigned int vpitch)
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index e9d5d1f928835..cbb9ef438214f 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -298,19 +298,20 @@ static bool sticon_switch(struct vc_data *conp)
return true; /* needs refreshing */
}
-static int sticon_blank(struct vc_data *c, enum vesa_blank_mode blank,
- int mode_switch)
+static bool sticon_blank(struct vc_data *c, enum vesa_blank_mode blank,
+ bool mode_switch)
{
if (blank == VESA_NO_BLANKING) {
if (mode_switch)
vga_is_gfx = 0;
- return 1;
+ return true;
}
sti_clear(sticon_sti, 0, 0, c->vc_rows, c->vc_cols, BLANK,
font_data[c->vc_num]);
if (mode_switch)
vga_is_gfx = 1;
- return 1;
+
+ return true;
}
static u8 sticon_build_attr(struct vc_data *conp, u8 color,
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 84f3682704c7c..c9a22118102f3 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -797,8 +797,8 @@ static void vga_pal_blank(struct vgastate *state)
}
}
-static int vgacon_blank(struct vc_data *c, enum vesa_blank_mode blank,
- int mode_switch)
+static bool vgacon_blank(struct vc_data *c, enum vesa_blank_mode blank,
+ bool mode_switch)
{
switch (blank) {
case VESA_NO_BLANKING: /* Unblank */
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 69be5f2106bc6..eee2adf5c682b 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2198,8 +2198,8 @@ static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info,
}
}
-static int fbcon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
- int mode_switch)
+static bool fbcon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
+ bool mode_switch)
{
struct fb_info *info = fbcon_info_from_console(vc->vc_num);
struct fbcon_ops *ops = info->fbcon_par;
@@ -2238,7 +2238,7 @@ static int fbcon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
else
fbcon_add_cursor_work(info);
- return 0;
+ return false;
}
static void fbcon_debug_enter(struct vc_data *vc)
diff --git a/include/linux/console.h b/include/linux/console.h
index 69040d7c8f974..6392bcd2fe7cb 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -49,6 +49,9 @@ enum vc_intensity;
* Invoked by csi_M and printing to the console.
* @con_switch: notifier about the console switch; it is supposed to return
* true if a redraw is needed.
+ * @con_blank: blank/unblank the console. The target mode is passed in @blank.
+ * @mode_switch is set if changing from/to text/graphics. The hook
+ * is supposed to return true if a redraw is needed.
* @con_set_palette: sets the palette of the console to @table (optional)
* @con_scrolldelta: the contents of the console should be scrolled by @lines.
* Invoked by user. (optional)
@@ -70,8 +73,8 @@ struct consw {
unsigned int bottom, enum con_scroll dir,
unsigned int lines);
bool (*con_switch)(struct vc_data *vc);
- int (*con_blank)(struct vc_data *vc, enum vesa_blank_mode blank,
- int mode_switch);
+ bool (*con_blank)(struct vc_data *vc, enum vesa_blank_mode blank,
+ bool mode_switch);
int (*con_font_set)(struct vc_data *vc, struct console_font *font,
unsigned int vpitch, unsigned int flags);
int (*con_font_get)(struct vc_data *vc, struct console_font *font,
--
GitLab
From fd0f631fffa87f1c26045c3c88c0c4a7706d14de Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:50 +0100
Subject: [PATCH 0209/2686] tty: vt: make font of consw::con_font_set() const
Provided the font parameter of consw::con_font_set() is not supposed to
be changed, make it const.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-37-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 2 +-
drivers/video/console/newport_con.c | 5 +++--
drivers/video/console/sticon.c | 4 ++--
drivers/video/console/vgacon.c | 2 +-
drivers/video/fbdev/core/fbcon.c | 2 +-
include/linux/console.h | 5 +++--
6 files changed, 11 insertions(+), 9 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index de9148094c2dd..0ac537f82f7ad 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -4625,7 +4625,7 @@ static int con_font_get(struct vc_data *vc, struct console_font_op *op)
return rc;
}
-static int con_font_set(struct vc_data *vc, struct console_font_op *op)
+static int con_font_set(struct vc_data *vc, const struct console_font_op *op)
{
struct console_font font;
int rc = -EINVAL;
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index dbb31bf87bf1c..4203bd5fd0a11 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -496,7 +496,8 @@ static bool newport_blank(struct vc_data *c, enum vesa_blank_mode blank,
return true;
}
-static int newport_set_font(int unit, struct console_font *op, unsigned int vpitch)
+static int newport_set_font(int unit, const struct console_font *op,
+ unsigned int vpitch)
{
int w = op->width;
int h = op->height;
@@ -568,7 +569,7 @@ static int newport_font_default(struct vc_data *vc, struct console_font *op, cha
return newport_set_def_font(vc->vc_num, op);
}
-static int newport_font_set(struct vc_data *vc, struct console_font *font,
+static int newport_font_set(struct vc_data *vc, const struct console_font *font,
unsigned int vpitch, unsigned int flags)
{
return newport_set_font(vc->vc_num, font, vpitch);
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index cbb9ef438214f..710201fb8ce41 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -153,7 +153,7 @@ static void sticon_set_def_font(int unit)
}
}
-static int sticon_set_font(struct vc_data *vc, struct console_font *op,
+static int sticon_set_font(struct vc_data *vc, const struct console_font *op,
unsigned int vpitch)
{
struct sti_struct *sti = sticon_sti;
@@ -253,7 +253,7 @@ static int sticon_font_default(struct vc_data *vc, struct console_font *op, char
return 0;
}
-static int sticon_font_set(struct vc_data *vc, struct console_font *font,
+static int sticon_font_set(struct vc_data *vc, const struct console_font *font,
unsigned int vpitch, unsigned int flags)
{
return sticon_set_font(vc, font, vpitch);
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index c9a22118102f3..4d1c8f5863afd 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -1039,7 +1039,7 @@ static int vgacon_adjust_height(struct vc_data *vc, unsigned fontheight)
return 0;
}
-static int vgacon_font_set(struct vc_data *c, struct console_font *font,
+static int vgacon_font_set(struct vc_data *c, const struct console_font *font,
unsigned int vpitch, unsigned int flags)
{
unsigned charcount = font->charcount;
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index eee2adf5c682b..62474630c4d48 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2460,7 +2460,7 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h, int charcount,
* but lets not assume that, since charcount of 512 is small for unicode support.
*/
-static int fbcon_set_font(struct vc_data *vc, struct console_font *font,
+static int fbcon_set_font(struct vc_data *vc, const struct console_font *font,
unsigned int vpitch, unsigned int flags)
{
struct fb_info *info = fbcon_info_from_console(vc->vc_num);
diff --git a/include/linux/console.h b/include/linux/console.h
index 6392bcd2fe7cb..0a9f4cbdde83f 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -75,8 +75,9 @@ struct consw {
bool (*con_switch)(struct vc_data *vc);
bool (*con_blank)(struct vc_data *vc, enum vesa_blank_mode blank,
bool mode_switch);
- int (*con_font_set)(struct vc_data *vc, struct console_font *font,
- unsigned int vpitch, unsigned int flags);
+ int (*con_font_set)(struct vc_data *vc,
+ const struct console_font *font,
+ unsigned int vpitch, unsigned int flags);
int (*con_font_get)(struct vc_data *vc, struct console_font *font,
unsigned int vpitch);
int (*con_font_default)(struct vc_data *vc,
--
GitLab
From 4f59617065592c446cd8450e9e6bac229cbc1383 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:51 +0100
Subject: [PATCH 0210/2686] tty: vt: make consw::con_font_default()'s name
const
It's a name after all and that is not supposed to be changed. So make it
const to make this obvious.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-38-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/video/console/newport_con.c | 3 ++-
drivers/video/console/sticon.c | 3 ++-
drivers/video/fbdev/core/fbcon.c | 3 ++-
include/linux/console.h | 2 +-
4 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index 4203bd5fd0a11..a51cfc1d560e7 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -564,7 +564,8 @@ static int newport_set_def_font(int unit, struct console_font *op)
return 0;
}
-static int newport_font_default(struct vc_data *vc, struct console_font *op, char *name)
+static int newport_font_default(struct vc_data *vc, struct console_font *op,
+ const char *name)
{
return newport_set_def_font(vc->vc_num, op);
}
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index 710201fb8ce41..4c7b4959a1aab 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -246,7 +246,8 @@ static int sticon_set_font(struct vc_data *vc, const struct console_font *op,
return 0;
}
-static int sticon_font_default(struct vc_data *vc, struct console_font *op, char *name)
+static int sticon_font_default(struct vc_data *vc, struct console_font *op,
+ const char *name)
{
sticon_set_def_font(vc->vc_num);
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 62474630c4d48..657160eec0a52 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2533,7 +2533,8 @@ static int fbcon_set_font(struct vc_data *vc, const struct console_font *font,
return fbcon_do_set_font(vc, font->width, font->height, charcount, new_data, 1);
}
-static int fbcon_set_def_font(struct vc_data *vc, struct console_font *font, char *name)
+static int fbcon_set_def_font(struct vc_data *vc, struct console_font *font,
+ const char *name)
{
struct fb_info *info = fbcon_info_from_console(vc->vc_num);
const struct font_desc *f;
diff --git a/include/linux/console.h b/include/linux/console.h
index 0a9f4cbdde83f..6bb7e5e37ae4a 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -81,7 +81,7 @@ struct consw {
int (*con_font_get)(struct vc_data *vc, struct console_font *font,
unsigned int vpitch);
int (*con_font_default)(struct vc_data *vc,
- struct console_font *font, char *name);
+ struct console_font *font, const char *name);
int (*con_resize)(struct vc_data *vc, unsigned int width,
unsigned int height, bool from_user);
void (*con_set_palette)(struct vc_data *vc,
--
GitLab
From 42822fabfc24f4fc8d5404d9359fa17a0bcfcea8 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:52 +0100
Subject: [PATCH 0211/2686] tty: vt: change consw::con_set_origin() return type
The return value of consw::con_set_origin() is only true/false, meaining
if vc->vc_origin is set to vc->vc_screenbuf or not.
So switch the type and returned values accordingly.
And document the hook.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-39-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/video/console/vgacon.c | 8 ++++----
include/linux/console.h | 5 ++++-
2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 4d1c8f5863afd..7597f04b0dc77 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -65,7 +65,7 @@ static struct vgastate vgastate;
* Interface used by the world
*/
-static int vgacon_set_origin(struct vc_data *c);
+static bool vgacon_set_origin(struct vc_data *c);
static struct uni_pagedict *vgacon_uni_pagedir;
static int vgacon_refcount;
@@ -1100,15 +1100,15 @@ static int vgacon_resize(struct vc_data *c, unsigned int width,
return 0;
}
-static int vgacon_set_origin(struct vc_data *c)
+static bool vgacon_set_origin(struct vc_data *c)
{
if (vga_is_gfx || /* We don't play origin tricks in graphic modes */
(console_blanked && !vga_palette_blanked)) /* Nor we write to blanked screens */
- return 0;
+ return false;
c->vc_origin = c->vc_visible_origin = vga_vram_base;
vga_set_mem_top(c);
vga_rolled_over = 0;
- return 1;
+ return true;
}
static void vgacon_save_screen(struct vc_data *c)
diff --git a/include/linux/console.h b/include/linux/console.h
index 6bb7e5e37ae4a..82e4b554a801f 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -55,6 +55,9 @@ enum vc_intensity;
* @con_set_palette: sets the palette of the console to @table (optional)
* @con_scrolldelta: the contents of the console should be scrolled by @lines.
* Invoked by user. (optional)
+ * @con_set_origin: set origin (see &vc_data::vc_origin) of the @vc. If not
+ * provided or returns false, the origin is set to
+ * @vc->vc_screenbuf. (optional)
*/
struct consw {
struct module *owner;
@@ -87,7 +90,7 @@ struct consw {
void (*con_set_palette)(struct vc_data *vc,
const unsigned char *table);
void (*con_scrolldelta)(struct vc_data *vc, int lines);
- int (*con_set_origin)(struct vc_data *vc);
+ bool (*con_set_origin)(struct vc_data *vc);
void (*con_save_screen)(struct vc_data *vc);
u8 (*con_build_attr)(struct vc_data *vc, u8 color,
enum vc_intensity intensity,
--
GitLab
From d62808ba9ebca537607678207d2deb25d949d923 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:53 +0100
Subject: [PATCH 0212/2686] fbcon: remove consw::con_screen_pos()
fbcon_screen_pos() performs the same as the default implementation. The
only difference in the default implementation is that is considers both
vc->vc_origin and vc->vc_visible_origin. But given fbcon's softscroll
code was already removed in commit 50145474f6ef (fbcon: remove soft
scrollback code), both are always the same.
So remove fbcon_screen_pos() too.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-40-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/video/fbdev/core/fbcon.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 657160eec0a52..2166ea1a5430d 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2593,11 +2593,6 @@ static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table)
fb_set_cmap(&palette_cmap, info);
}
-static u16 *fbcon_screen_pos(const struct vc_data *vc, int offset)
-{
- return (u16 *) (vc->vc_origin + offset);
-}
-
static unsigned long fbcon_getxy(struct vc_data *vc, unsigned long pos,
int *px, int *py)
{
@@ -3162,7 +3157,6 @@ static const struct consw fb_con = {
.con_font_default = fbcon_set_def_font,
.con_set_palette = fbcon_set_palette,
.con_invert_region = fbcon_invert_region,
- .con_screen_pos = fbcon_screen_pos,
.con_getxy = fbcon_getxy,
.con_resize = fbcon_resize,
.con_debug_enter = fbcon_debug_enter,
--
GitLab
From 7cf01c92addb73c3055ff0fc596441c80ce82113 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:54 +0100
Subject: [PATCH 0213/2686] tty: vt: remove consw::con_screen_pos()
After the previous patch, nobody sets that hook. So drop it completely.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-41-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 12 +++---------
include/linux/console.h | 1 -
2 files changed, 3 insertions(+), 10 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 0ac537f82f7ad..4e9d689143e0d 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -289,15 +289,9 @@ static inline bool con_should_update(const struct vc_data *vc)
static inline unsigned short *screenpos(const struct vc_data *vc, int offset,
bool viewed)
{
- unsigned short *p;
-
- if (!viewed)
- p = (unsigned short *)(vc->vc_origin + offset);
- else if (!vc->vc_sw->con_screen_pos)
- p = (unsigned short *)(vc->vc_visible_origin + offset);
- else
- p = vc->vc_sw->con_screen_pos(vc, offset);
- return p;
+ unsigned long origin = viewed ? vc->vc_visible_origin : vc->vc_origin;
+
+ return (unsigned short *)(origin + offset);
}
static void con_putc(struct vc_data *vc, u16 ca, unsigned int y, unsigned int x)
diff --git a/include/linux/console.h b/include/linux/console.h
index 82e4b554a801f..b2d8621cea575 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -96,7 +96,6 @@ struct consw {
enum vc_intensity intensity,
bool blink, bool underline, bool reverse, bool italic);
void (*con_invert_region)(struct vc_data *vc, u16 *p, int count);
- u16 *(*con_screen_pos)(const struct vc_data *vc, int offset);
unsigned long (*con_getxy)(struct vc_data *vc, unsigned long position,
int *px, int *py);
/*
--
GitLab
From fd1ca819710a435cf14988caa7f0d984464015b6 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:55 +0100
Subject: [PATCH 0214/2686] tty: vt: make types of screenpos() more consistent
* parameter offset: it is expected to be non-negative, so switch to
unsigned
* return type: switch from ushort to explicit u16. This is expected on
most places. And fix the remaining two places too.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-42-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 4e9d689143e0d..f6fa76c0eb5b9 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -286,12 +286,12 @@ static inline bool con_should_update(const struct vc_data *vc)
return con_is_visible(vc) && !console_blanked;
}
-static inline unsigned short *screenpos(const struct vc_data *vc, int offset,
- bool viewed)
+static inline u16 *screenpos(const struct vc_data *vc, unsigned int offset,
+ bool viewed)
{
unsigned long origin = viewed ? vc->vc_visible_origin : vc->vc_origin;
- return (unsigned short *)(origin + offset);
+ return (u16 *)(origin + offset);
}
static void con_putc(struct vc_data *vc, u16 ca, unsigned int y, unsigned int x)
@@ -705,7 +705,7 @@ static void update_attr(struct vc_data *vc)
/* Note: inverting the screen twice should revert to the original state */
void invert_screen(struct vc_data *vc, int offset, int count, bool viewed)
{
- unsigned short *p;
+ u16 *p;
WARN_CONSOLE_UNLOCKED();
@@ -773,8 +773,7 @@ void complement_pos(struct vc_data *vc, int offset)
if (offset != -1 && offset >= 0 &&
offset < vc->vc_screenbuf_size) {
unsigned short new;
- unsigned short *p;
- p = screenpos(vc, offset, true);
+ u16 *p = screenpos(vc, offset, true);
old = scr_readw(p);
new = old ^ vc->vc_complement_mask;
scr_writew(new, p);
--
GitLab
From af757ca6b274bc3db025617a7f8960166734cf9e Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:56 +0100
Subject: [PATCH 0215/2686] fbcon: remove fbcon_getxy()
Again, fbcon_getxy() is the same as the default implementation since the
softscroll removal in commit 50145474f6ef (fbcon: remove soft scrollback
code). Drop that.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-43-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/video/fbdev/core/fbcon.c | 25 -------------------------
1 file changed, 25 deletions(-)
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 2166ea1a5430d..9c2962900d13b 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2593,30 +2593,6 @@ static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table)
fb_set_cmap(&palette_cmap, info);
}
-static unsigned long fbcon_getxy(struct vc_data *vc, unsigned long pos,
- int *px, int *py)
-{
- unsigned long ret;
- int x, y;
-
- if (pos >= vc->vc_origin && pos < vc->vc_scr_end) {
- unsigned long offset = (pos - vc->vc_origin) / 2;
-
- x = offset % vc->vc_cols;
- y = offset / vc->vc_cols;
- ret = pos + (vc->vc_cols - x) * 2;
- } else {
- /* Should not happen */
- x = y = 0;
- ret = vc->vc_origin;
- }
- if (px)
- *px = x;
- if (py)
- *py = y;
- return ret;
-}
-
/* As we might be inside of softback, we may work with non-contiguous buffer,
that's why we have to use a separate routine. */
static void fbcon_invert_region(struct vc_data *vc, u16 * p, int cnt)
@@ -3157,7 +3133,6 @@ static const struct consw fb_con = {
.con_font_default = fbcon_set_def_font,
.con_set_palette = fbcon_set_palette,
.con_invert_region = fbcon_invert_region,
- .con_getxy = fbcon_getxy,
.con_resize = fbcon_resize,
.con_debug_enter = fbcon_debug_enter,
.con_debug_leave = fbcon_debug_leave,
--
GitLab
From f441aa3b441306e35e8fcbec5ac13c68b5f48245 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:57 +0100
Subject: [PATCH 0216/2686] tty: vt: remove consw::con_getxy()
After the previous patch, nobody sets that hook. So drop it completely.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-44-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 20 +++++---------------
include/linux/console.h | 2 --
2 files changed, 5 insertions(+), 17 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index f6fa76c0eb5b9..cbe1a1106d531 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -593,18 +593,12 @@ static void con_scroll(struct vc_data *vc, unsigned int top,
static void do_update_region(struct vc_data *vc, unsigned long start, int count)
{
unsigned int xx, yy, offset;
- u16 *p;
+ u16 *p = (u16 *)start;
+
+ offset = (start - vc->vc_origin) / 2;
+ xx = offset % vc->vc_cols;
+ yy = offset / vc->vc_cols;
- p = (u16 *) start;
- if (!vc->vc_sw->con_getxy) {
- offset = (start - vc->vc_origin) / 2;
- xx = offset % vc->vc_cols;
- yy = offset / vc->vc_cols;
- } else {
- int nxx, nyy;
- start = vc->vc_sw->con_getxy(vc, start, &nxx, &nyy);
- xx = nxx; yy = nyy;
- }
for(;;) {
u16 attrib = scr_readw(p) & 0xff00;
int startx = xx;
@@ -627,10 +621,6 @@ static void do_update_region(struct vc_data *vc, unsigned long start, int count)
break;
xx = 0;
yy++;
- if (vc->vc_sw->con_getxy) {
- p = (u16 *)start;
- start = vc->vc_sw->con_getxy(vc, start, NULL, NULL);
- }
}
}
diff --git a/include/linux/console.h b/include/linux/console.h
index b2d8621cea575..fa2cd81102b88 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -96,8 +96,6 @@ struct consw {
enum vc_intensity intensity,
bool blink, bool underline, bool reverse, bool italic);
void (*con_invert_region)(struct vc_data *vc, u16 *p, int count);
- unsigned long (*con_getxy)(struct vc_data *vc, unsigned long position,
- int *px, int *py);
/*
* Flush the video console driver's scrollback buffer
*/
--
GitLab
From b23bf1a43bdbce1a281f11169dd9d426018b00c9 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:58 +0100
Subject: [PATCH 0217/2686] tty: vt: remove unused
consw::con_flush_scrollback()
consw::con_flush_scrollback() is unused since commit 973c096f6a85
(vgacon: remove software scrollback support). Drop it.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-45-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 27 ++++++++++++---------------
include/linux/console.h | 4 ----
2 files changed, 12 insertions(+), 19 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index cbe1a1106d531..bfe51af9a0f32 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -888,21 +888,18 @@ static void flush_scrollback(struct vc_data *vc)
WARN_CONSOLE_UNLOCKED();
set_origin(vc);
- if (vc->vc_sw->con_flush_scrollback) {
- vc->vc_sw->con_flush_scrollback(vc);
- } else if (con_is_visible(vc)) {
- /*
- * When no con_flush_scrollback method is provided then the
- * legacy way for flushing the scrollback buffer is to use
- * a side effect of the con_switch method. We do it only on
- * the foreground console as background consoles have no
- * scrollback buffers in that case and we obviously don't
- * want to switch to them.
- */
- hide_cursor(vc);
- vc->vc_sw->con_switch(vc);
- set_cursor(vc);
- }
+ if (!con_is_visible(vc))
+ return;
+
+ /*
+ * The legacy way for flushing the scrollback buffer is to use a side
+ * effect of the con_switch method. We do it only on the foreground
+ * console as background consoles have no scrollback buffers in that
+ * case and we obviously don't want to switch to them.
+ */
+ hide_cursor(vc);
+ vc->vc_sw->con_switch(vc);
+ set_cursor(vc);
}
/*
diff --git a/include/linux/console.h b/include/linux/console.h
index fa2cd81102b88..1eac3e6e32a2c 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -96,10 +96,6 @@ struct consw {
enum vc_intensity intensity,
bool blink, bool underline, bool reverse, bool italic);
void (*con_invert_region)(struct vc_data *vc, u16 *p, int count);
- /*
- * Flush the video console driver's scrollback buffer
- */
- void (*con_flush_scrollback)(struct vc_data *vc);
/*
* Prepare the console for the debugger. This includes, but is not
* limited to, unblanking the console, loading an appropriate
--
GitLab
From d1e2221644c490a73d2968fe316f0af170e0ebcf Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:03:59 +0100
Subject: [PATCH 0218/2686] tty: vt: document the rest of struct consw
There are still members of struct consw which are not documented yet.
Fix that up, so we can generate kernel-doc for that struct.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-46-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/console.h | 34 +++++++++++++++++++++++++---------
1 file changed, 25 insertions(+), 9 deletions(-)
diff --git a/include/linux/console.h b/include/linux/console.h
index 1eac3e6e32a2c..f1a334ad268d7 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -37,8 +37,11 @@ enum vc_intensity;
/**
* struct consw - callbacks for consoles
*
+ * @owner: the module to get references of when this console is used
+ * @con_startup: set up the console and return its name (like VGA, EGA, ...)
* @con_init: initialize the console on @vc. @init is true for the very first
* call on this @vc.
+ * @con_deinit: deinitialize the console from @vc.
* @con_clear: erase @count characters at [@x, @y] on @vc. @count >= 1.
* @con_putc: emit one character with attributes @ca to [@x, @y] on @vc.
* (optional -- @con_putcs would be called instead)
@@ -52,12 +55,33 @@ enum vc_intensity;
* @con_blank: blank/unblank the console. The target mode is passed in @blank.
* @mode_switch is set if changing from/to text/graphics. The hook
* is supposed to return true if a redraw is needed.
- * @con_set_palette: sets the palette of the console to @table (optional)
+ * @con_font_set: set console @vc font to @font with height @vpitch. @flags can
+ * be %KD_FONT_FLAG_DONT_RECALC. (optional)
+ * @con_font_get: fetch the current font on @vc of height @vpitch into @font.
+ * (optional)
+ * @con_font_default: set default font on @vc. @name can be %NULL or font name
+ * to search for. @font can be filled back. (optional)
+ * @con_resize: resize the @vc console to @width x @height. @from_user is true
+ * when this change comes from the user space.
+ * @con_set_palette: sets the palette of the console @vc to @table (optional)
* @con_scrolldelta: the contents of the console should be scrolled by @lines.
* Invoked by user. (optional)
* @con_set_origin: set origin (see &vc_data::vc_origin) of the @vc. If not
* provided or returns false, the origin is set to
* @vc->vc_screenbuf. (optional)
+ * @con_save_screen: save screen content into @vc->vc_screenbuf. Called e.g.
+ * upon entering graphics. (optional)
+ * @con_build_attr: build attributes based on @color, @intensity and other
+ * parameters. The result is used for both normal and erase
+ * characters. (optional)
+ * @con_invert_region: invert a region of length @count on @vc starting at @p.
+ * (optional)
+ * @con_debug_enter: prepare the console for the debugger. This includes, but
+ * is not limited to, unblanking the console, loading an
+ * appropriate palette, and allowing debugger generated output.
+ * (optional)
+ * @con_debug_leave: restore the console to its pre-debug state as closely as
+ * possible. (optional)
*/
struct consw {
struct module *owner;
@@ -96,15 +120,7 @@ struct consw {
enum vc_intensity intensity,
bool blink, bool underline, bool reverse, bool italic);
void (*con_invert_region)(struct vc_data *vc, u16 *p, int count);
- /*
- * Prepare the console for the debugger. This includes, but is not
- * limited to, unblanking the console, loading an appropriate
- * palette, and allowing debugger generated output.
- */
void (*con_debug_enter)(struct vc_data *vc);
- /*
- * Restore the console to its pre-debug state as closely as possible.
- */
void (*con_debug_leave)(struct vc_data *vc);
};
--
GitLab
From 60234365aee22c9ac576491f787f20a17279d28e Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:04:00 +0100
Subject: [PATCH 0219/2686] tty: vt: fix up kernel-doc
selection.c and vt.c still uses tabs in the kernel-doc. This misrenders the
functions in the output -- sphinx misinterprets the description. So
remove these tabs, incl. those around dashes.
'enum' keyword is needed before enum names. Fix that.
Superfluous \n after the comments are also removed. They are not
completely faulty, but this unifies all the kernel-doc in the files.
Finally fix up the cross references.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-47-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/selection.c | 30 ++++++-------
drivers/tty/vt/vt.c | 86 +++++++++++++++++++-------------------
include/linux/console.h | 6 +--
3 files changed, 62 insertions(+), 60 deletions(-)
diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c
index 34ee09f5a8f45..564341f1a74f3 100644
--- a/drivers/tty/vt/selection.c
+++ b/drivers/tty/vt/selection.c
@@ -73,10 +73,12 @@ sel_pos(int n, bool unicode)
}
/**
- * clear_selection - remove current selection
+ * clear_selection - remove current selection
*
- * Remove the current selection highlight, if any from the console
- * holding the selection. The caller must hold the console lock.
+ * Remove the current selection highlight, if any from the console holding the
+ * selection.
+ *
+ * Locking: The caller must hold the console lock.
*/
void clear_selection(void)
{
@@ -110,13 +112,13 @@ static inline int inword(const u32 c)
}
/**
- * sel_loadlut() - load the LUT table
- * @lut: user table
+ * sel_loadlut() - load the LUT table
+ * @lut: user table
*
- * Load the LUT table from user space. Make a temporary copy so a partial
- * update doesn't make a mess.
+ * Load the LUT table from user space. Make a temporary copy so a partial
+ * update doesn't make a mess.
*
- * Locking: The console lock is acquired.
+ * Locking: The console lock is acquired.
*/
int sel_loadlut(u32 __user *lut)
{
@@ -173,14 +175,14 @@ static int store_utf8(u32 c, char *p)
}
/**
- * set_selection_user - set the current selection.
- * @sel: user selection info
- * @tty: the console tty
+ * set_selection_user - set the current selection.
+ * @sel: user selection info
+ * @tty: the console tty
*
- * Invoked by the ioctl handle for the vt layer.
+ * Invoked by the ioctl handle for the vt layer.
*
- * The entire selection process is managed under the console_lock. It's
- * a lot under the lock but its hardly a performance path
+ * Locking: The entire selection process is managed under the console_lock.
+ * It's a lot under the lock but its hardly a performance path.
*/
int set_selection_user(const struct tiocl_selection __user *sel,
struct tty_struct *tty)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index bfe51af9a0f32..e9cdcf40fe149 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1115,21 +1115,20 @@ static inline int resize_screen(struct vc_data *vc, int width, int height,
}
/**
- * vc_do_resize - resizing method for the tty
- * @tty: tty being resized
- * @vc: virtual console private data
- * @cols: columns
- * @lines: lines
- * @from_user: invoked by a user?
+ * vc_do_resize - resizing method for the tty
+ * @tty: tty being resized
+ * @vc: virtual console private data
+ * @cols: columns
+ * @lines: lines
+ * @from_user: invoked by a user?
*
- * Resize a virtual console, clipping according to the actual constraints.
- * If the caller passes a tty structure then update the termios winsize
- * information and perform any necessary signal handling.
+ * Resize a virtual console, clipping according to the actual constraints. If
+ * the caller passes a tty structure then update the termios winsize
+ * information and perform any necessary signal handling.
*
- * Caller must hold the console semaphore. Takes the termios rwsem and
- * ctrl.lock of the tty IFF a tty is passed.
+ * Locking: Caller must hold the console semaphore. Takes the termios rwsem and
+ * ctrl.lock of the tty IFF a tty is passed.
*/
-
static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
unsigned int cols, unsigned int lines, bool from_user)
{
@@ -1277,16 +1276,17 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
}
/**
- * __vc_resize - resize a VT
- * @vc: virtual console
- * @cols: columns
- * @rows: rows
- * @from_user: invoked by a user?
+ * __vc_resize - resize a VT
+ * @vc: virtual console
+ * @cols: columns
+ * @rows: rows
+ * @from_user: invoked by a user?
+ *
+ * Resize a virtual console as seen from the console end of things. We use the
+ * common vc_do_resize() method to update the structures.
*
- * Resize a virtual console as seen from the console end of things. We
- * use the common vc_do_resize methods to update the structures. The
- * caller must hold the console sem to protect console internals and
- * vc->port.tty
+ * Locking: The caller must hold the console sem to protect console internals
+ * and @vc->port.tty.
*/
int __vc_resize(struct vc_data *vc, unsigned int cols, unsigned int rows,
bool from_user)
@@ -1296,16 +1296,15 @@ int __vc_resize(struct vc_data *vc, unsigned int cols, unsigned int rows,
EXPORT_SYMBOL(__vc_resize);
/**
- * vt_resize - resize a VT
- * @tty: tty to resize
- * @ws: winsize attributes
+ * vt_resize - resize a VT
+ * @tty: tty to resize
+ * @ws: winsize attributes
*
- * Resize a virtual terminal. This is called by the tty layer as we
- * register our own handler for resizing. The mutual helper does all
- * the actual work.
+ * Resize a virtual terminal. This is called by the tty layer as we register
+ * our own handler for resizing. The mutual helper does all the actual work.
*
- * Takes the console sem and the called methods then take the tty
- * termios_rwsem and the tty ctrl.lock in that order.
+ * Locking: Takes the console sem and the called methods then take the tty
+ * termios_rwsem and the tty ctrl.lock in that order.
*/
static int vt_resize(struct tty_struct *tty, struct winsize *ws)
{
@@ -2633,8 +2632,8 @@ static inline int vc_translate_ascii(const struct vc_data *vc, int c)
/**
- * vc_sanitize_unicode - Replace invalid Unicode code points with U+FFFD
- * @c: the received character, or U+FFFD for invalid sequences.
+ * vc_sanitize_unicode - Replace invalid Unicode code points with ``U+FFFD``
+ * @c: the received character, or ``U+FFFD`` for invalid sequences.
*/
static inline int vc_sanitize_unicode(const int c)
{
@@ -2645,14 +2644,15 @@ static inline int vc_sanitize_unicode(const int c)
}
/**
- * vc_translate_unicode - Combine UTF-8 into Unicode in @vc_utf_char
+ * vc_translate_unicode - Combine UTF-8 into Unicode in &vc_data.vc_utf_char
* @vc: virtual console
* @c: character to translate
* @rescan: we return true if we need more (continuation) data
*
- * @vc_utf_char is the being-constructed unicode character.
- * @vc_utf_count is the number of continuation bytes still expected to arrive.
- * @vc_npar is the number of continuation bytes arrived so far.
+ * * &vc_data.vc_utf_char is the being-constructed unicode character.
+ * * &vc_data.vc_utf_count is the number of continuation bytes still expected to
+ * arrive.
+ * * &vc_data.vc_npar is the number of continuation bytes arrived so far.
*/
static int vc_translate_unicode(struct vc_data *vc, int c, bool *rescan)
{
@@ -3030,16 +3030,16 @@ struct tty_driver *console_driver;
#ifdef CONFIG_VT_CONSOLE
/**
- * vt_kmsg_redirect() - Sets/gets the kernel message console
- * @new: The new virtual terminal number or -1 if the console should stay
- * unchanged
+ * vt_kmsg_redirect() - sets/gets the kernel message console
+ * @new: the new virtual terminal number or -1 if the console should stay
+ * unchanged
*
* By default, the kernel messages are always printed on the current virtual
* console. However, the user may modify that default with the
- * TIOCL_SETKMSGREDIRECT ioctl call.
+ * %TIOCL_SETKMSGREDIRECT ioctl call.
*
* This function sets the kernel message console to be @new. It returns the old
- * virtual console number. The virtual terminal number 0 (both as parameter and
+ * virtual console number. The virtual terminal number %0 (both as parameter and
* return value) means no redirection (i.e. always printed on the currently
* active console).
*
@@ -3047,8 +3047,8 @@ struct tty_driver *console_driver;
* value is not modified. You may use the macro vt_get_kmsg_redirect() in that
* case to make the code more understandable.
*
- * When the kernel is compiled without CONFIG_VT_CONSOLE, this function ignores
- * the parameter and always returns 0.
+ * When the kernel is compiled without %CONFIG_VT_CONSOLE, this function ignores
+ * the parameter and always returns %0.
*/
int vt_kmsg_redirect(int new)
{
@@ -3960,7 +3960,7 @@ static void vtconsole_deinit_device(struct con_driver *con)
* RETURNS: zero if unbound, nonzero if bound
*
* Drivers can call this and if zero, they should release
- * all resources allocated on con_startup()
+ * all resources allocated on &consw.con_startup()
*/
int con_is_bound(const struct consw *csw)
{
diff --git a/include/linux/console.h b/include/linux/console.h
index f1a334ad268d7..d6d8b7e6b93b4 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -155,7 +155,7 @@ static inline void con_debug_leave(void) { }
*/
/**
- * cons_flags - General console flags
+ * enum cons_flags - General console flags
* @CON_PRINTBUFFER: Used by newly registered consoles to avoid duplicate
* output of messages that were already shown by boot
* consoles or read by userspace via syslog() syscall.
@@ -236,7 +236,7 @@ struct nbcon_state {
static_assert(sizeof(struct nbcon_state) <= sizeof(int));
/**
- * nbcon_prio - console owner priority for nbcon consoles
+ * enum nbcon_prio - console owner priority for nbcon consoles
* @NBCON_PRIO_NONE: Unused
* @NBCON_PRIO_NORMAL: Normal (non-emergency) usage
* @NBCON_PRIO_EMERGENCY: Emergency output (WARN/OOPS...)
@@ -468,7 +468,7 @@ static inline bool console_is_registered(const struct console *con)
* for_each_console() - Iterator over registered consoles
* @con: struct console pointer used as loop cursor
*
- * The console list and the console->flags are immutable while iterating.
+ * The console list and the &console.flags are immutable while iterating.
*
* Requires console_list_lock to be held.
*/
--
GitLab
From cf066f9334b9632ca1a8185118083a9218504e0a Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Mon, 22 Jan 2024 12:04:01 +0100
Subject: [PATCH 0220/2686] Documentation: add console.rst
Now, that the console kernel-doc is in better shape, include it in the
tty/ docs.
It's not supernice, but it is what it is. At least for the beginning.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-48-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/driver-api/tty/console.rst | 45 ++++++++++++++++++++++++
Documentation/driver-api/tty/index.rst | 1 +
2 files changed, 46 insertions(+)
create mode 100644 Documentation/driver-api/tty/console.rst
diff --git a/Documentation/driver-api/tty/console.rst b/Documentation/driver-api/tty/console.rst
new file mode 100644
index 0000000000000..4348e36cd33b3
--- /dev/null
+++ b/Documentation/driver-api/tty/console.rst
@@ -0,0 +1,45 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=======
+Console
+=======
+
+.. contents:: :local:
+
+Struct Console
+==============
+
+.. kernel-doc:: include/linux/console.h
+ :identifiers: console cons_flags
+
+Internals
+---------
+
+.. kernel-doc:: include/linux/console.h
+ :identifiers: nbcon_state nbcon_prio nbcon_context nbcon_write_context
+
+Struct Consw
+============
+
+.. kernel-doc:: include/linux/console.h
+ :identifiers: consw
+
+Console functions
+=================
+
+.. kernel-doc:: include/linux/console.h
+ :identifiers: console_srcu_read_flags console_srcu_write_flags
+ console_is_registered for_each_console_srcu for_each_console
+
+.. kernel-doc:: drivers/tty/vt/selection.c
+ :export:
+.. kernel-doc:: drivers/tty/vt/vt.c
+ :export:
+
+Internals
+---------
+
+.. kernel-doc:: drivers/tty/vt/selection.c
+ :internal:
+.. kernel-doc:: drivers/tty/vt/vt.c
+ :internal:
diff --git a/Documentation/driver-api/tty/index.rst b/Documentation/driver-api/tty/index.rst
index b490da11f257f..c1ffe3d1ec469 100644
--- a/Documentation/driver-api/tty/index.rst
+++ b/Documentation/driver-api/tty/index.rst
@@ -38,6 +38,7 @@ In-detail description of the named TTY structures is in separate documents:
tty_buffer
tty_ioctl
tty_internals
+ console
Writing TTY Driver
==================
--
GitLab
From fed99212acae832607817b24fa589f8aaf03103f Mon Sep 17 00:00:00 2001
From: Francesco Dolcini <francesco.dolcini@toradex.com>
Date: Mon, 22 Jan 2024 19:05:51 +0100
Subject: [PATCH 0221/2686] treewide, serdev: change receive_buf() return type
to size_t
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
receive_buf() is called from ttyport_receive_buf() that expects values
">= 0" from serdev_controller_receive_buf(), change its return type from
ssize_t to size_t.
The need for this clean-up was noticed while fixing a warning, see
commit 94d053942544 ("Bluetooth: btnxpuart: fix recv_buf() return value").
Changing the callback prototype to return an unsigned seems the best way
to document the API and ensure that is properly used.
GNSS drivers implementation of serdev receive_buf() callback return
directly the return value of gnss_insert_raw(). gnss_insert_raw()
returns a signed int, however this is not an issue since the value
returned is always positive, because of the kfifo_in() implementation.
gnss_insert_raw() could be changed to return also an unsigned, however
this is not implemented here as request by the GNSS maintainer Johan
Hovold.
Suggested-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/all/087be419-ec6b-47ad-851a-5e1e3ea5cfcc@kernel.org/
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for-iio
Reviewed-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Acked-by: Maximilian Luz <luzmaximilian@gmail.com> # for platform/surface
Acked-by: Lee Jones <lee@kernel.org>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240122180551.34429-1-francesco@dolcini.it
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/bluetooth/btmtkuart.c | 4 ++--
drivers/bluetooth/btnxpuart.c | 4 ++--
drivers/bluetooth/hci_serdev.c | 4 ++--
drivers/gnss/serial.c | 2 +-
drivers/gnss/sirf.c | 2 +-
drivers/greybus/gb-beagleplay.c | 6 +++---
drivers/iio/chemical/pms7003.c | 4 ++--
drivers/iio/chemical/scd30_serial.c | 4 ++--
drivers/iio/chemical/sps30_serial.c | 4 ++--
drivers/iio/imu/bno055/bno055_ser_core.c | 4 ++--
drivers/mfd/rave-sp.c | 4 ++--
drivers/net/ethernet/qualcomm/qca_uart.c | 2 +-
drivers/nfc/pn533/uart.c | 4 ++--
drivers/nfc/s3fwrn5/uart.c | 4 ++--
drivers/platform/chrome/cros_ec_uart.c | 4 ++--
drivers/platform/surface/aggregator/core.c | 4 ++--
drivers/tty/serdev/serdev-ttyport.c | 10 ++++------
include/linux/serdev.h | 8 ++++----
sound/drivers/serial-generic.c | 4 ++--
19 files changed, 40 insertions(+), 42 deletions(-)
diff --git a/drivers/bluetooth/btmtkuart.c b/drivers/bluetooth/btmtkuart.c
index 3c84fcbda01aa..e6bc4a73c9fc3 100644
--- a/drivers/bluetooth/btmtkuart.c
+++ b/drivers/bluetooth/btmtkuart.c
@@ -383,8 +383,8 @@ static void btmtkuart_recv(struct hci_dev *hdev, const u8 *data, size_t count)
}
}
-static ssize_t btmtkuart_receive_buf(struct serdev_device *serdev,
- const u8 *data, size_t count)
+static size_t btmtkuart_receive_buf(struct serdev_device *serdev,
+ const u8 *data, size_t count)
{
struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev);
diff --git a/drivers/bluetooth/btnxpuart.c b/drivers/bluetooth/btnxpuart.c
index 1d592ac413d1f..056bef5b29191 100644
--- a/drivers/bluetooth/btnxpuart.c
+++ b/drivers/bluetooth/btnxpuart.c
@@ -1264,8 +1264,8 @@ static const struct h4_recv_pkt nxp_recv_pkts[] = {
{ NXP_RECV_FW_REQ_V3, .recv = nxp_recv_fw_req_v3 },
};
-static ssize_t btnxpuart_receive_buf(struct serdev_device *serdev,
- const u8 *data, size_t count)
+static size_t btnxpuart_receive_buf(struct serdev_device *serdev,
+ const u8 *data, size_t count)
{
struct btnxpuart_dev *nxpdev = serdev_device_get_drvdata(serdev);
diff --git a/drivers/bluetooth/hci_serdev.c b/drivers/bluetooth/hci_serdev.c
index 39c8b567da3c0..a3c3beb2806d0 100644
--- a/drivers/bluetooth/hci_serdev.c
+++ b/drivers/bluetooth/hci_serdev.c
@@ -271,8 +271,8 @@ static void hci_uart_write_wakeup(struct serdev_device *serdev)
*
* Return: number of processed bytes
*/
-static ssize_t hci_uart_receive_buf(struct serdev_device *serdev,
- const u8 *data, size_t count)
+static size_t hci_uart_receive_buf(struct serdev_device *serdev,
+ const u8 *data, size_t count)
{
struct hci_uart *hu = serdev_device_get_drvdata(serdev);
diff --git a/drivers/gnss/serial.c b/drivers/gnss/serial.c
index baa956494e79f..0e43bf6294f87 100644
--- a/drivers/gnss/serial.c
+++ b/drivers/gnss/serial.c
@@ -80,7 +80,7 @@ static const struct gnss_operations gnss_serial_gnss_ops = {
.write_raw = gnss_serial_write_raw,
};
-static ssize_t gnss_serial_receive_buf(struct serdev_device *serdev,
+static size_t gnss_serial_receive_buf(struct serdev_device *serdev,
const u8 *buf, size_t count)
{
struct gnss_serial *gserial = serdev_device_get_drvdata(serdev);
diff --git a/drivers/gnss/sirf.c b/drivers/gnss/sirf.c
index 6801a8fb20401..79375d14bbb67 100644
--- a/drivers/gnss/sirf.c
+++ b/drivers/gnss/sirf.c
@@ -160,7 +160,7 @@ static const struct gnss_operations sirf_gnss_ops = {
.write_raw = sirf_write_raw,
};
-static ssize_t sirf_receive_buf(struct serdev_device *serdev,
+static size_t sirf_receive_buf(struct serdev_device *serdev,
const u8 *buf, size_t count)
{
struct sirf_data *data = serdev_device_get_drvdata(serdev);
diff --git a/drivers/greybus/gb-beagleplay.c b/drivers/greybus/gb-beagleplay.c
index c3e90025064bd..33f8fad70260a 100644
--- a/drivers/greybus/gb-beagleplay.c
+++ b/drivers/greybus/gb-beagleplay.c
@@ -271,7 +271,7 @@ static void hdlc_rx_frame(struct gb_beagleplay *bg)
}
}
-static ssize_t hdlc_rx(struct gb_beagleplay *bg, const u8 *data, size_t count)
+static size_t hdlc_rx(struct gb_beagleplay *bg, const u8 *data, size_t count)
{
size_t i;
u8 c;
@@ -331,8 +331,8 @@ static void hdlc_deinit(struct gb_beagleplay *bg)
flush_work(&bg->tx_work);
}
-static ssize_t gb_tty_receive(struct serdev_device *sd, const u8 *data,
- size_t count)
+static size_t gb_tty_receive(struct serdev_device *sd, const u8 *data,
+ size_t count)
{
struct gb_beagleplay *bg = serdev_device_get_drvdata(sd);
diff --git a/drivers/iio/chemical/pms7003.c b/drivers/iio/chemical/pms7003.c
index b5cf15a515d25..43025866d5b79 100644
--- a/drivers/iio/chemical/pms7003.c
+++ b/drivers/iio/chemical/pms7003.c
@@ -211,8 +211,8 @@ static bool pms7003_frame_is_okay(struct pms7003_frame *frame)
return checksum == pms7003_calc_checksum(frame);
}
-static ssize_t pms7003_receive_buf(struct serdev_device *serdev, const u8 *buf,
- size_t size)
+static size_t pms7003_receive_buf(struct serdev_device *serdev, const u8 *buf,
+ size_t size)
{
struct iio_dev *indio_dev = serdev_device_get_drvdata(serdev);
struct pms7003_state *state = iio_priv(indio_dev);
diff --git a/drivers/iio/chemical/scd30_serial.c b/drivers/iio/chemical/scd30_serial.c
index a47654591e555..2adb76dbb0209 100644
--- a/drivers/iio/chemical/scd30_serial.c
+++ b/drivers/iio/chemical/scd30_serial.c
@@ -174,8 +174,8 @@ static int scd30_serdev_command(struct scd30_state *state, enum scd30_cmd cmd, u
return 0;
}
-static ssize_t scd30_serdev_receive_buf(struct serdev_device *serdev,
- const u8 *buf, size_t size)
+static size_t scd30_serdev_receive_buf(struct serdev_device *serdev,
+ const u8 *buf, size_t size)
{
struct iio_dev *indio_dev = serdev_device_get_drvdata(serdev);
struct scd30_serdev_priv *priv;
diff --git a/drivers/iio/chemical/sps30_serial.c b/drivers/iio/chemical/sps30_serial.c
index 3afa89f8acc32..a6dfbe28c914c 100644
--- a/drivers/iio/chemical/sps30_serial.c
+++ b/drivers/iio/chemical/sps30_serial.c
@@ -210,8 +210,8 @@ static int sps30_serial_command(struct sps30_state *state, unsigned char cmd,
return rsp_size;
}
-static ssize_t sps30_serial_receive_buf(struct serdev_device *serdev,
- const u8 *buf, size_t size)
+static size_t sps30_serial_receive_buf(struct serdev_device *serdev,
+ const u8 *buf, size_t size)
{
struct iio_dev *indio_dev = dev_get_drvdata(&serdev->dev);
struct sps30_serial_priv *priv;
diff --git a/drivers/iio/imu/bno055/bno055_ser_core.c b/drivers/iio/imu/bno055/bno055_ser_core.c
index 5677bdf4f846e..694ff14a3aa27 100644
--- a/drivers/iio/imu/bno055/bno055_ser_core.c
+++ b/drivers/iio/imu/bno055/bno055_ser_core.c
@@ -378,8 +378,8 @@ static void bno055_ser_handle_rx(struct bno055_ser_priv *priv, int status)
* Also, we assume to RX one pkt per time (i.e. the HW doesn't send anything
* unless we require to AND we don't queue more than one request per time).
*/
-static ssize_t bno055_ser_receive_buf(struct serdev_device *serdev,
- const u8 *buf, size_t size)
+static size_t bno055_ser_receive_buf(struct serdev_device *serdev,
+ const u8 *buf, size_t size)
{
int status;
struct bno055_ser_priv *priv = serdev_device_get_drvdata(serdev);
diff --git a/drivers/mfd/rave-sp.c b/drivers/mfd/rave-sp.c
index 6ff84b2600c54..62a6613fb0700 100644
--- a/drivers/mfd/rave-sp.c
+++ b/drivers/mfd/rave-sp.c
@@ -471,8 +471,8 @@ static void rave_sp_receive_frame(struct rave_sp *sp,
rave_sp_receive_reply(sp, data, length);
}
-static ssize_t rave_sp_receive_buf(struct serdev_device *serdev,
- const u8 *buf, size_t size)
+static size_t rave_sp_receive_buf(struct serdev_device *serdev,
+ const u8 *buf, size_t size)
{
struct device *dev = &serdev->dev;
struct rave_sp *sp = dev_get_drvdata(dev);
diff --git a/drivers/net/ethernet/qualcomm/qca_uart.c b/drivers/net/ethernet/qualcomm/qca_uart.c
index 223321897b961..20f50bde82acd 100644
--- a/drivers/net/ethernet/qualcomm/qca_uart.c
+++ b/drivers/net/ethernet/qualcomm/qca_uart.c
@@ -58,7 +58,7 @@ struct qcauart {
unsigned char *tx_buffer;
};
-static ssize_t
+static size_t
qca_tty_receive(struct serdev_device *serdev, const u8 *data, size_t count)
{
struct qcauart *qca = serdev_device_get_drvdata(serdev);
diff --git a/drivers/nfc/pn533/uart.c b/drivers/nfc/pn533/uart.c
index 2eb5978bd79e1..cfbbe0713317f 100644
--- a/drivers/nfc/pn533/uart.c
+++ b/drivers/nfc/pn533/uart.c
@@ -203,8 +203,8 @@ static int pn532_uart_rx_is_frame(struct sk_buff *skb)
return 0;
}
-static ssize_t pn532_receive_buf(struct serdev_device *serdev,
- const u8 *data, size_t count)
+static size_t pn532_receive_buf(struct serdev_device *serdev,
+ const u8 *data, size_t count)
{
struct pn532_uart_phy *dev = serdev_device_get_drvdata(serdev);
size_t i;
diff --git a/drivers/nfc/s3fwrn5/uart.c b/drivers/nfc/s3fwrn5/uart.c
index 456d3947116c1..9c09c10c2a464 100644
--- a/drivers/nfc/s3fwrn5/uart.c
+++ b/drivers/nfc/s3fwrn5/uart.c
@@ -51,8 +51,8 @@ static const struct s3fwrn5_phy_ops uart_phy_ops = {
.write = s3fwrn82_uart_write,
};
-static ssize_t s3fwrn82_uart_read(struct serdev_device *serdev,
- const u8 *data, size_t count)
+static size_t s3fwrn82_uart_read(struct serdev_device *serdev,
+ const u8 *data, size_t count)
{
struct s3fwrn82_uart_phy *phy = serdev_device_get_drvdata(serdev);
size_t i;
diff --git a/drivers/platform/chrome/cros_ec_uart.c b/drivers/platform/chrome/cros_ec_uart.c
index 68d80559fddc2..8ea867c2a01a3 100644
--- a/drivers/platform/chrome/cros_ec_uart.c
+++ b/drivers/platform/chrome/cros_ec_uart.c
@@ -81,8 +81,8 @@ struct cros_ec_uart {
struct response_info response;
};
-static ssize_t cros_ec_uart_rx_bytes(struct serdev_device *serdev,
- const u8 *data, size_t count)
+static size_t cros_ec_uart_rx_bytes(struct serdev_device *serdev,
+ const u8 *data, size_t count)
{
struct ec_host_response *host_response;
struct cros_ec_device *ec_dev = serdev_device_get_drvdata(serdev);
diff --git a/drivers/platform/surface/aggregator/core.c b/drivers/platform/surface/aggregator/core.c
index 9591a28bc38a9..ba550eaa06fcf 100644
--- a/drivers/platform/surface/aggregator/core.c
+++ b/drivers/platform/surface/aggregator/core.c
@@ -227,8 +227,8 @@ EXPORT_SYMBOL_GPL(ssam_client_bind);
/* -- Glue layer (serdev_device -> ssam_controller). ------------------------ */
-static ssize_t ssam_receive_buf(struct serdev_device *dev, const u8 *buf,
- size_t n)
+static size_t ssam_receive_buf(struct serdev_device *dev, const u8 *buf,
+ size_t n)
{
struct ssam_controller *ctrl;
int ret;
diff --git a/drivers/tty/serdev/serdev-ttyport.c b/drivers/tty/serdev/serdev-ttyport.c
index e94e090cf0a1a..3d7ae7fa50186 100644
--- a/drivers/tty/serdev/serdev-ttyport.c
+++ b/drivers/tty/serdev/serdev-ttyport.c
@@ -27,19 +27,17 @@ static size_t ttyport_receive_buf(struct tty_port *port, const u8 *cp,
{
struct serdev_controller *ctrl = port->client_data;
struct serport *serport = serdev_controller_get_drvdata(ctrl);
- int ret;
+ size_t ret;
if (!test_bit(SERPORT_ACTIVE, &serport->flags))
return 0;
ret = serdev_controller_receive_buf(ctrl, cp, count);
- dev_WARN_ONCE(&ctrl->dev, ret < 0 || ret > count,
- "receive_buf returns %d (count = %zu)\n",
+ dev_WARN_ONCE(&ctrl->dev, ret > count,
+ "receive_buf returns %zu (count = %zu)\n",
ret, count);
- if (ret < 0)
- return 0;
- else if (ret > count)
+ if (ret > count)
return count;
return ret;
diff --git a/include/linux/serdev.h b/include/linux/serdev.h
index 3fab88ba265ee..ff78efc1f60df 100644
--- a/include/linux/serdev.h
+++ b/include/linux/serdev.h
@@ -27,7 +27,7 @@ struct serdev_device;
* not sleep.
*/
struct serdev_device_ops {
- ssize_t (*receive_buf)(struct serdev_device *, const u8 *, size_t);
+ size_t (*receive_buf)(struct serdev_device *, const u8 *, size_t);
void (*write_wakeup)(struct serdev_device *);
};
@@ -185,9 +185,9 @@ static inline void serdev_controller_write_wakeup(struct serdev_controller *ctrl
serdev->ops->write_wakeup(serdev);
}
-static inline ssize_t serdev_controller_receive_buf(struct serdev_controller *ctrl,
- const u8 *data,
- size_t count)
+static inline size_t serdev_controller_receive_buf(struct serdev_controller *ctrl,
+ const u8 *data,
+ size_t count)
{
struct serdev_device *serdev = ctrl->serdev;
diff --git a/sound/drivers/serial-generic.c b/sound/drivers/serial-generic.c
index d6e5aafd697c7..36409a56c675e 100644
--- a/sound/drivers/serial-generic.c
+++ b/sound/drivers/serial-generic.c
@@ -100,8 +100,8 @@ static void snd_serial_generic_write_wakeup(struct serdev_device *serdev)
snd_serial_generic_tx_wakeup(drvdata);
}
-static ssize_t snd_serial_generic_receive_buf(struct serdev_device *serdev,
- const u8 *buf, size_t count)
+static size_t snd_serial_generic_receive_buf(struct serdev_device *serdev,
+ const u8 *buf, size_t count)
{
int ret;
struct snd_serial_generic *drvdata = serdev_device_get_drvdata(serdev);
--
GitLab
From e9e873eadced9389b819685a762c9892500f12d0 Mon Sep 17 00:00:00 2001
From: Lizhe <sensor1010@163.com>
Date: Fri, 12 Jan 2024 05:39:23 -0800
Subject: [PATCH 0222/2686] serial: linflexuart: Remove redundant uart type
assignment
In linflex_config_port() the member variable type will be
assigned again. Remove redundant uart type assignment from
linflex_probe().
Signed-off-by: Lizhe <sensor1010@163.com>
Link: https://lore.kernel.org/r/20240112133923.190852-1-sensor1010@163.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/fsl_linflexuart.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/tty/serial/fsl_linflexuart.c b/drivers/tty/serial/fsl_linflexuart.c
index 52c87876a88de..5426322b5f0ca 100644
--- a/drivers/tty/serial/fsl_linflexuart.c
+++ b/drivers/tty/serial/fsl_linflexuart.c
@@ -837,7 +837,6 @@ static int linflex_probe(struct platform_device *pdev)
return ret;
sport->dev = &pdev->dev;
- sport->type = PORT_LINFLEXUART;
sport->iotype = UPIO_MEM;
sport->irq = ret;
sport->ops = &linflex_pops;
--
GitLab
From c01e71b49c37e3b9c9652d28c42a88197a9d7f02 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Roman=20=C5=BDilka?= <roman.zilka@gmail.com>
Date: Tue, 9 Jan 2024 11:43:46 +0100
Subject: [PATCH 0223/2686] tty/vt: UTF-8 parsing update according to RFC 3629,
modern Unicode
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
vc_translate_unicode() and vc_sanitize_unicode() parse input to the
UTF-8-enabled console, marking invalid byte sequences and producing Unicode
codepoints. The current algorithm follows ancient Unicode and may accept
invalid byte sequences, pass on non-existent codepoints and reject valid
sequences.
The patch restores the functions' compliance with modern Unicode (v15.1 [1]
+ many previous versions) as well as RFC 3629 [2].
1. Codepoint space is limited to 0x10FFFF.
2. "Noncharacters", such as U+FFFE, U+FFFF, are no longer invalid in
Unicode and will be accepted. Another option was to complete the set of
noncharacters (used to be just those two, now there's more) and preserve
the rejection step. This is indeed what Unicode suggests ([1] chap.
23.7) (not requires), but most codepoints are !iswprint(), so selecting
just the noncharacters seemed arbitrary and futile (and unnecessary).
This is not a security patch. I'm not aware of any present security
implications of the old code.
[1] https://www.unicode.org/versions/Unicode15.1.0
[2] https://datatracker.ietf.org/doc/html/rfc3629
Signed-off-by: Roman Žilka <roman.zilka@gmail.com>
Link: https://lore.kernel.org/r/598ab459-6ba9-4a17-b4a1-08f26a356fc0@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index e9cdcf40fe149..65cd40cac96bb 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2637,7 +2637,7 @@ static inline int vc_translate_ascii(const struct vc_data *vc, int c)
*/
static inline int vc_sanitize_unicode(const int c)
{
- if ((c >= 0xd800 && c <= 0xdfff) || c == 0xfffe || c == 0xffff)
+ if (c >= 0xd800 && c <= 0xdfff)
return 0xfffd;
return c;
@@ -2656,10 +2656,7 @@ static inline int vc_sanitize_unicode(const int c)
*/
static int vc_translate_unicode(struct vc_data *vc, int c, bool *rescan)
{
- static const u32 utf8_length_changes[] = {
- 0x0000007f, 0x000007ff, 0x0000ffff,
- 0x001fffff, 0x03ffffff, 0x7fffffff
- };
+ static const u32 utf8_length_changes[] = {0x7f, 0x7ff, 0xffff, 0x10ffff};
/* Continuation byte received */
if ((c & 0xc0) == 0x80) {
@@ -2705,14 +2702,7 @@ static int vc_translate_unicode(struct vc_data *vc, int c, bool *rescan)
} else if ((c & 0xf8) == 0xf0) {
vc->vc_utf_count = 3;
vc->vc_utf_char = (c & 0x07);
- } else if ((c & 0xfc) == 0xf8) {
- vc->vc_utf_count = 4;
- vc->vc_utf_char = (c & 0x03);
- } else if ((c & 0xfe) == 0xfc) {
- vc->vc_utf_count = 5;
- vc->vc_utf_char = (c & 0x01);
} else {
- /* 254 and 255 are invalid */
return 0xfffd;
}
--
GitLab
From 85725449f3e5faf385210d535f266430be71cebb Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Wed, 10 Jan 2024 14:21:46 +0100
Subject: [PATCH 0224/2686] serial: 8250: Move hp300_setup_serial_console() to
<linux/serial_8250.h>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
If CONFIG_SERIAL_8250_HP300=y and CONFIG_SERIAL_8250_CONSOLE=y (e.g.
m68k/allyesconfig):
drivers/tty/serial/8250/8250_hp300.c:91:12: error: no previous prototype for ‘hp300_setup_serial_console’ [-Werror=missing-prototypes]
91 | int __init hp300_setup_serial_console(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
Fix this by moving the existing prototype in arch/m68k/hp300/config.c to
<linux/serial_8250.h>, so it is visible to both caller and implementor.
While at it, provide a dummy in case CONFIG_SERIAL_8250_CONSOLE is not
enabled, to reduce #ifdef clutter in the caller.
Exposed by commit 0fcb70851fbfea17 ("Makefile.extrawarn: turn on
missing-prototypes globally").
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/c17469f8e47b2ef49234a85a7a14882ddf374e41.1704892597.git.geert@linux-m68k.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/m68k/hp300/config.c | 6 +-----
include/linux/serial_8250.h | 6 ++++++
2 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/arch/m68k/hp300/config.c b/arch/m68k/hp300/config.c
index e4bd6913f50e9..1a27398523517 100644
--- a/arch/m68k/hp300/config.c
+++ b/arch/m68k/hp300/config.c
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/serial_8250.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/console.h>
@@ -67,9 +68,6 @@ static char *hp300_models[] __initdata = {
static char hp300_model_name[13] = "HP9000/";
extern void hp300_reset(void);
-#ifdef CONFIG_SERIAL_8250_CONSOLE
-extern int hp300_setup_serial_console(void) __init;
-#endif
int __init hp300_parse_bootinfo(const struct bi_record *record)
{
@@ -263,7 +261,5 @@ void __init config_hp300(void)
} else {
panic("Unknown HP9000 Model");
}
-#ifdef CONFIG_SERIAL_8250_CONSOLE
hp300_setup_serial_console();
-#endif
}
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index be65de65fe612..fd59ed2cca53e 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -210,6 +210,12 @@ int serial8250_console_exit(struct uart_port *port);
void serial8250_set_isa_configurator(void (*v)(int port, struct uart_port *up,
u32 *capabilities));
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+extern int hp300_setup_serial_console(void) __init;
+#else
+static inline int hp300_setup_serial_console(void) { return 0; }
+#endif
+
#ifdef CONFIG_SERIAL_8250_RT288X
int rt288x_setup(struct uart_port *p);
int au_platform_setup(struct plat_serial8250_port *p);
--
GitLab
From 486676116f4852d4198690c2c98af060cd96ab83 Mon Sep 17 00:00:00 2001
From: Douglas Anderson <dianders@chromium.org>
Date: Fri, 12 Jan 2024 15:03:07 -0800
Subject: [PATCH 0225/2686] soc: qcom: geni-se: Add M_TX_FIFO_NOT_EMPTY bit
definition
According to the docs I have, bit 21 of the status register is
asserted when the FIFO is _not_ empty. Add the definition.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240112150307.1.I7dc0993c1e758a1efedd651e7e1670deb1b430fb@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/soc/qcom/geni-se.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/soc/qcom/geni-se.h b/include/linux/soc/qcom/geni-se.h
index 29e06905bc1f0..0f038a1a03309 100644
--- a/include/linux/soc/qcom/geni-se.h
+++ b/include/linux/soc/qcom/geni-se.h
@@ -178,6 +178,7 @@ struct geni_se {
#define M_GP_IRQ_3_EN BIT(12)
#define M_GP_IRQ_4_EN BIT(13)
#define M_GP_IRQ_5_EN BIT(14)
+#define M_TX_FIFO_NOT_EMPTY_EN BIT(21)
#define M_IO_DATA_DEASSERT_EN BIT(22)
#define M_IO_DATA_ASSERT_EN BIT(23)
#define M_RX_FIFO_RD_ERR_EN BIT(24)
--
GitLab
From 9e957a155005b16af057e86c6bcc1197cd70a6af Mon Sep 17 00:00:00 2001
From: Douglas Anderson <dianders@chromium.org>
Date: Fri, 12 Jan 2024 15:03:08 -0800
Subject: [PATCH 0226/2686] serial: qcom-geni: Don't cancel/abort if we can't
get the port lock
As of commit d7402513c935 ("arm64: smp: IPI_CPU_STOP and
IPI_CPU_CRASH_STOP should try for NMI"), if we've got pseudo-NMI
enabled then we'll use it to stop CPUs at panic time. This is nice,
but it does mean that there's a pretty good chance that we'll end up
stopping a CPU while it holds the port lock for the console
UART. Specifically, I see a CPU get stopped while holding the port
lock nearly 100% of the time on my sc7180-trogdor based Chromebook by
enabling the "buddy" hardlockup detector and then doing:
sysctl -w kernel.hardlockup_all_cpu_backtrace=1
sysctl -w kernel.hardlockup_panic=1
echo HARDLOCKUP > /sys/kernel/debug/provoke-crash/DIRECT
UART drivers are _supposed_ to handle this case OK and this is why
UART drivers check "oops_in_progress" and only do a "trylock" in that
case. However, before we enabled pseudo-NMI to stop CPUs it wasn't a
very well-tested situation.
Now that we're testing the situation a lot, it can be seen that the
Qualcomm GENI UART driver is pretty broken. Specifically, when I run
my test case and look at the console output I just see a bunch of
garbled output like:
[ 201.069084] NMI backtrace[ 201.069084] NM[ 201.069087] CPU: 6
PID: 10296 Comm: dnsproxyd Not tainted 6.7.0-06265-gb13e8c0ede12
#1 01112b9f14923cbd0b[ 201.069090] Hardware name: Google Lazor
([ 201.069092] pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DI[
201.069095] pc : smp_call_function_man[ 201.069099]
That's obviously not so great. This happens because each call to the
console driver exits after the data has been written to the FIFO but
before it's actually been flushed out of the serial port. When we have
multiple calls into the console one after the other then (if we can't
get the lock) each call tells the UART to throw away any data in the
FIFO that hadn't been transferred yet.
I've posted up a patch to change the arm64 core to avoid this
situation most of the time [1] much like x86 seems to do, but even if
that patch lands the GENI driver should still be fixed.
>From testing, it appears that we can just delete the cancel/abort in
the case where we weren't able to get the UART lock and the output
looks good. It makes sense that we'd be able to do this since that
means we'll just call into __qcom_geni_serial_console_write() and
__qcom_geni_serial_console_write() looks much like
qcom_geni_serial_poll_put_char() but with a loop. However, it seems
safest to poll the FIFO and make sure it's empty before our
transfer. This should reliably make sure that we're not
interrupting/clobbering any existing transfers.
As part of this change, we'll also avoid re-setting up a TX at the end
of the console write function if we weren't able to get the lock,
since accessing "port->tx_remaining" without the lock is not
safe. This is only needed to re-start userspace initiated transfers.
[1] https://lore.kernel.org/r/20231207170251.1.Id4817adef610302554b8aa42b090d57270dc119c@changeid
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20240112150307.2.Idb1553d1d22123c377f31eacb4486432f6c9ac8d@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/qcom_geni_serial.c | 27 +++++++++++++--------------
1 file changed, 13 insertions(+), 14 deletions(-)
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index e63a8fbe63bdb..fdc75bb26c693 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -488,18 +488,16 @@ static void qcom_geni_serial_console_write(struct console *co, const char *s,
geni_status = readl(uport->membase + SE_GENI_STATUS);
- /* Cancel the current write to log the fault */
if (!locked) {
- geni_se_cancel_m_cmd(&port->se);
- if (!qcom_geni_serial_poll_bit(uport, SE_GENI_M_IRQ_STATUS,
- M_CMD_CANCEL_EN, true)) {
- geni_se_abort_m_cmd(&port->se);
- qcom_geni_serial_poll_bit(uport, SE_GENI_M_IRQ_STATUS,
- M_CMD_ABORT_EN, true);
- writel(M_CMD_ABORT_EN, uport->membase +
- SE_GENI_M_IRQ_CLEAR);
- }
- writel(M_CMD_CANCEL_EN, uport->membase + SE_GENI_M_IRQ_CLEAR);
+ /*
+ * We can only get here if an oops is in progress then we were
+ * unable to get the lock. This means we can't safely access
+ * our state variables like tx_remaining. About the best we
+ * can do is wait for the FIFO to be empty before we start our
+ * transfer, so we'll do that.
+ */
+ qcom_geni_serial_poll_bit(uport, SE_GENI_M_IRQ_STATUS,
+ M_TX_FIFO_NOT_EMPTY_EN, false);
} else if ((geni_status & M_GENI_CMD_ACTIVE) && !port->tx_remaining) {
/*
* It seems we can't interrupt existing transfers if all data
@@ -516,11 +514,12 @@ static void qcom_geni_serial_console_write(struct console *co, const char *s,
__qcom_geni_serial_console_write(uport, s, count);
- if (port->tx_remaining)
- qcom_geni_serial_setup_tx(uport, port->tx_remaining);
- if (locked)
+ if (locked) {
+ if (port->tx_remaining)
+ qcom_geni_serial_setup_tx(uport, port->tx_remaining);
uart_port_unlock_irqrestore(uport, flags);
+ }
}
static void handle_rx_console(struct uart_port *uport, u32 bytes, bool drop)
--
GitLab
From 5c49b6a4a4bcf368f85cfe7a0e5ac3a7016f30fd Mon Sep 17 00:00:00 2001
From: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Date: Mon, 8 Jan 2024 14:41:02 +0100
Subject: [PATCH 0227/2686] vt: remove superfluous CONFIG_HW_CONSOLE
The config HW_CONSOLE is always identical to the config VT and is not
visible in the kernel's build menuconfig. So, CONFIG_HW_CONSOLE is
redundant.
Replace all references to CONFIG_HW_CONSOLE with CONFIG_VT and remove
CONFIG_HW_CONSOLE.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20240108134102.601-1-lukas.bulwahn@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/m68k/amiga/config.c | 2 +-
drivers/input/keyboard/amikbd.c | 6 +++---
drivers/tty/Kconfig | 7 +------
drivers/tty/vt/Makefile | 4 ++--
drivers/video/fbdev/tgafb.c | 2 +-
include/linux/console.h | 2 +-
lib/Kconfig.kgdb | 2 +-
7 files changed, 10 insertions(+), 15 deletions(-)
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index 7791673e547bf..99718f3dc6867 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -846,6 +846,6 @@ static void amiga_get_hardware_list(struct seq_file *m)
* The Amiga keyboard driver needs key_maps, but we cannot export it in
* drivers/char/defkeymap.c, as it is autogenerated
*/
-#ifdef CONFIG_HW_CONSOLE
+#ifdef CONFIG_VT
EXPORT_SYMBOL_GPL(key_maps);
#endif
diff --git a/drivers/input/keyboard/amikbd.c b/drivers/input/keyboard/amikbd.c
index e305c44cd0aa9..ecfae0b0b6aa2 100644
--- a/drivers/input/keyboard/amikbd.c
+++ b/drivers/input/keyboard/amikbd.c
@@ -26,7 +26,7 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Amiga keyboard driver");
MODULE_LICENSE("GPL");
-#ifdef CONFIG_HW_CONSOLE
+#ifdef CONFIG_VT
static unsigned char amikbd_keycode[0x78] __initdata = {
[0] = KEY_GRAVE,
[1] = KEY_1,
@@ -148,9 +148,9 @@ static void __init amikbd_init_console_keymaps(void)
memcpy(key_maps[i], temp_map, sizeof(temp_map));
}
}
-#else /* !CONFIG_HW_CONSOLE */
+#else /* !CONFIG_VT */
static inline void amikbd_init_console_keymaps(void) {}
-#endif /* !CONFIG_HW_CONSOLE */
+#endif /* !CONFIG_VT */
static const char *amikbd_messages[8] = {
[0] = KERN_ALERT "amikbd: Ctrl-Amiga-Amiga reset warning!!\n",
diff --git a/drivers/tty/Kconfig b/drivers/tty/Kconfig
index 5646dc6242cd9..a45d423ad10f0 100644
--- a/drivers/tty/Kconfig
+++ b/drivers/tty/Kconfig
@@ -75,14 +75,9 @@ config VT_CONSOLE_SLEEP
def_bool y
depends on VT_CONSOLE && PM_SLEEP
-config HW_CONSOLE
- bool
- depends on VT
- default y
-
config VT_HW_CONSOLE_BINDING
bool "Support for binding and unbinding console drivers"
- depends on HW_CONSOLE
+ depends on VT
help
The virtual terminal is the device that interacts with the physical
terminal through console drivers. On these systems, at least one
diff --git a/drivers/tty/vt/Makefile b/drivers/tty/vt/Makefile
index b3dfe9d5717e3..2c8ce8b592ed2 100644
--- a/drivers/tty/vt/Makefile
+++ b/drivers/tty/vt/Makefile
@@ -5,9 +5,9 @@
FONTMAPFILE = cp437.uni
obj-$(CONFIG_VT) += vt_ioctl.o vc_screen.o \
- selection.o keyboard.o
+ selection.o keyboard.o \
+ vt.o defkeymap.o
obj-$(CONFIG_CONSOLE_TRANSLATIONS) += consolemap.o consolemap_deftbl.o
-obj-$(CONFIG_HW_CONSOLE) += vt.o defkeymap.o
# Files generated that shall be removed upon make clean
clean-files := consolemap_deftbl.c defkeymap.c
diff --git a/drivers/video/fbdev/tgafb.c b/drivers/video/fbdev/tgafb.c
index ca43774f3156e..dccfc38cfbd52 100644
--- a/drivers/video/fbdev/tgafb.c
+++ b/drivers/video/fbdev/tgafb.c
@@ -380,7 +380,7 @@ tgafb_set_par(struct fb_info *info)
BT463_LOAD_ADDR(par, 0x0000);
TGA_WRITE_REG(par, BT463_PALETTE << 2, TGA_RAMDAC_SETUP_REG);
-#ifdef CONFIG_HW_CONSOLE
+#ifdef CONFIG_VT
for (i = 0; i < 16; i++) {
int j = color_table[i];
diff --git a/include/linux/console.h b/include/linux/console.h
index d6d8b7e6b93b4..31a8f5b85f5d7 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -141,7 +141,7 @@ int con_is_bound(const struct consw *csw);
int do_unregister_con_driver(const struct consw *csw);
int do_take_over_console(const struct consw *sw, int first, int last, int deflt);
void give_up_console(const struct consw *sw);
-#ifdef CONFIG_HW_CONSOLE
+#ifdef CONFIG_VT
void con_debug_enter(struct vc_data *vc);
void con_debug_leave(void);
#else
diff --git a/lib/Kconfig.kgdb b/lib/Kconfig.kgdb
index 3b9a440084332..b5c0e6576749d 100644
--- a/lib/Kconfig.kgdb
+++ b/lib/Kconfig.kgdb
@@ -43,7 +43,7 @@ config KGDB_SERIAL_CONSOLE
tristate "KGDB: use kgdb over the serial console"
select CONSOLE_POLL
select MAGIC_SYSRQ
- depends on TTY && HW_CONSOLE
+ depends on TTY && VT
default y
help
Share a serial console with kgdb. Sysrq-g must be used
--
GitLab
From ec240f88934f6ecda5cd21514cc6f30e0ec5d955 Mon Sep 17 00:00:00 2001
From: Valentin Caron <valentin.caron@foss.st.com>
Date: Fri, 12 Jan 2024 10:52:57 +0100
Subject: [PATCH 0228/2686] serial: stm32: implement prescaler tuning to
compute low baudrate
In the case of high USART input clock and low baud rate, BRR value
is not enough to get correct baud rate. So here we use USART prescaler to
divide USART input clock to get the correct baud rate.
PRESC register is only available since stm32h7.
Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Link: https://lore.kernel.org/r/20240112095300.2004878-2-valentin.caron@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/stm32-usart.c | 71 ++++++++++++++++++++++----------
drivers/tty/serial/stm32-usart.h | 6 +++
2 files changed, 56 insertions(+), 21 deletions(-)
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 794b775127403..19a45e1b7102f 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -9,6 +9,7 @@
* Inspired by st-asc.c from STMicroelectronics (c)
*/
+#include <linux/bitfield.h>
#include <linux/clk.h>
#include <linux/console.h>
#include <linux/delay.h>
@@ -50,6 +51,7 @@ static struct stm32_usart_info __maybe_unused stm32f4_info = {
.rtor = UNDEF_REG,
.rqr = UNDEF_REG,
.icr = UNDEF_REG,
+ .presc = UNDEF_REG,
},
.cfg = {
.uart_enable_bit = 13,
@@ -71,6 +73,7 @@ static struct stm32_usart_info __maybe_unused stm32f7_info = {
.icr = 0x20,
.rdr = 0x24,
.tdr = 0x28,
+ .presc = UNDEF_REG,
},
.cfg = {
.uart_enable_bit = 0,
@@ -93,6 +96,7 @@ static struct stm32_usart_info __maybe_unused stm32h7_info = {
.icr = 0x20,
.rdr = 0x24,
.tdr = 0x28,
+ .presc = 0x2c,
},
.cfg = {
.uart_enable_bit = 0,
@@ -1145,6 +1149,8 @@ static void stm32_usart_shutdown(struct uart_port *port)
free_irq(port->irq, port);
}
+static const unsigned int stm32_usart_presc_val[] = {1, 2, 4, 6, 8, 10, 12, 16, 32, 64, 128, 256};
+
static void stm32_usart_set_termios(struct uart_port *port,
struct ktermios *termios,
const struct ktermios *old)
@@ -1153,17 +1159,19 @@ static void stm32_usart_set_termios(struct uart_port *port,
const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;
const struct stm32_usart_config *cfg = &stm32_port->info->cfg;
struct serial_rs485 *rs485conf = &port->rs485;
- unsigned int baud, bits;
+ unsigned int baud, bits, uart_clk, uart_clk_pres;
u32 usartdiv, mantissa, fraction, oversampling;
tcflag_t cflag = termios->c_cflag;
- u32 cr1, cr2, cr3, isr;
+ u32 cr1, cr2, cr3, isr, brr, presc;
unsigned long flags;
int ret;
if (!stm32_port->hw_flow_control)
cflag &= ~CRTSCTS;
- baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk / 8);
+ uart_clk = clk_get_rate(stm32_port->clk);
+
+ baud = uart_get_baud_rate(port, termios, old, 0, uart_clk / 8);
uart_port_lock_irqsave(port, &flags);
@@ -1265,27 +1273,48 @@ static void stm32_usart_set_termios(struct uart_port *port,
cr3 |= USART_CR3_CTSE | USART_CR3_RTSE;
}
- usartdiv = DIV_ROUND_CLOSEST(port->uartclk, baud);
+ for (presc = 0; presc <= USART_PRESC_MAX; presc++) {
+ uart_clk_pres = DIV_ROUND_CLOSEST(uart_clk, stm32_usart_presc_val[presc]);
+ usartdiv = DIV_ROUND_CLOSEST(uart_clk_pres, baud);
- /*
- * The USART supports 16 or 8 times oversampling.
- * By default we prefer 16 times oversampling, so that the receiver
- * has a better tolerance to clock deviations.
- * 8 times oversampling is only used to achieve higher speeds.
- */
- if (usartdiv < 16) {
- oversampling = 8;
- cr1 |= USART_CR1_OVER8;
- stm32_usart_set_bits(port, ofs->cr1, USART_CR1_OVER8);
- } else {
- oversampling = 16;
- cr1 &= ~USART_CR1_OVER8;
- stm32_usart_clr_bits(port, ofs->cr1, USART_CR1_OVER8);
+ /*
+ * The USART supports 16 or 8 times oversampling.
+ * By default we prefer 16 times oversampling, so that the receiver
+ * has a better tolerance to clock deviations.
+ * 8 times oversampling is only used to achieve higher speeds.
+ */
+ if (usartdiv < 16) {
+ oversampling = 8;
+ cr1 |= USART_CR1_OVER8;
+ stm32_usart_set_bits(port, ofs->cr1, USART_CR1_OVER8);
+ } else {
+ oversampling = 16;
+ cr1 &= ~USART_CR1_OVER8;
+ stm32_usart_clr_bits(port, ofs->cr1, USART_CR1_OVER8);
+ }
+
+ mantissa = (usartdiv / oversampling) << USART_BRR_DIV_M_SHIFT;
+ fraction = usartdiv % oversampling;
+ brr = mantissa | fraction;
+
+ if (FIELD_FIT(USART_BRR_MASK, brr)) {
+ if (ofs->presc != UNDEF_REG) {
+ port->uartclk = uart_clk_pres;
+ writel_relaxed(presc, port->membase + ofs->presc);
+ } else if (presc) {
+ /* We need a prescaler but we don't have it (STM32F4, STM32F7) */
+ dev_err(port->dev,
+ "unable to set baudrate, input clock is too high");
+ }
+ break;
+ } else if (presc == USART_PRESC_MAX) {
+ /* Even with prescaler and brr at max value we can't set baudrate */
+ dev_err(port->dev, "unable to set baudrate, input clock is too high");
+ break;
+ }
}
- mantissa = (usartdiv / oversampling) << USART_BRR_DIV_M_SHIFT;
- fraction = usartdiv % oversampling;
- writel_relaxed(mantissa | fraction, port->membase + ofs->brr);
+ writel_relaxed(brr, port->membase + ofs->brr);
uart_update_timeout(port, cflag, baud);
diff --git a/drivers/tty/serial/stm32-usart.h b/drivers/tty/serial/stm32-usart.h
index f59f831b2a10c..8cecfdce9386b 100644
--- a/drivers/tty/serial/stm32-usart.h
+++ b/drivers/tty/serial/stm32-usart.h
@@ -20,6 +20,7 @@ struct stm32_usart_offsets {
u8 icr;
u8 rdr;
u8 tdr;
+ u8 presc;
};
struct stm32_usart_config {
@@ -71,6 +72,7 @@ struct stm32_usart_info {
#define USART_BRR_DIV_M_MASK GENMASK(15, 4)
#define USART_BRR_DIV_M_SHIFT 4
#define USART_BRR_04_R_SHIFT 1
+#define USART_BRR_MASK (USART_BRR_DIV_M_MASK | USART_BRR_DIV_F_MASK)
/* USART_CR1 */
#define USART_CR1_SBK BIT(0)
@@ -176,6 +178,10 @@ struct stm32_usart_info {
#define USART_ICR_CMCF BIT(17) /* F7 */
#define USART_ICR_WUCF BIT(20) /* H7 */
+/* USART_PRESC */
+#define USART_PRESC GENMASK(3, 0) /* H7 */
+#define USART_PRESC_MAX 0b1011
+
#define STM32_SERIAL_NAME "ttySTM"
#define STM32_MAX_PORTS 8
--
GitLab
From 7316888fa44f48bd00070290d2eb229f44a55135 Mon Sep 17 00:00:00 2001
From: Valentin Caron <valentin.caron@foss.st.com>
Date: Fri, 12 Jan 2024 10:52:58 +0100
Subject: [PATCH 0229/2686] serial: stm32: extend max number of U(S)ART to 9
STM32MP25x got 9 instances of U(S)ART. So extend STM32_MAX_PORTS to 9, in
order to handle all instances.
Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Link: https://lore.kernel.org/r/20240112095300.2004878-3-valentin.caron@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/stm32-usart.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/stm32-usart.h b/drivers/tty/serial/stm32-usart.h
index 8cecfdce9386b..5ce1d3aae07e7 100644
--- a/drivers/tty/serial/stm32-usart.h
+++ b/drivers/tty/serial/stm32-usart.h
@@ -183,7 +183,7 @@ struct stm32_usart_info {
#define USART_PRESC_MAX 0b1011
#define STM32_SERIAL_NAME "ttySTM"
-#define STM32_MAX_PORTS 8
+#define STM32_MAX_PORTS 9
#define RX_BUF_L 4096 /* dma rx buffer length */
#define RX_BUF_P (RX_BUF_L / 2) /* dma rx buffer period */
--
GitLab
From 7be985bd7cd5c6c605ec710e691620b8afb983fd Mon Sep 17 00:00:00 2001
From: Valentin Caron <valentin.caron@foss.st.com>
Date: Fri, 12 Jan 2024 10:52:59 +0100
Subject: [PATCH 0230/2686] serial: stm32: change register's offset type from
u8 to u16
USART has registers above 0xff offset, so extend variable type to u16.
And change UNDEF_REG to 0xffff.
Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Link: https://lore.kernel.org/r/20240112095300.2004878-4-valentin.caron@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/stm32-usart.h | 26 +++++++++++++-------------
1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/tty/serial/stm32-usart.h b/drivers/tty/serial/stm32-usart.h
index 5ce1d3aae07e7..bf3720948704e 100644
--- a/drivers/tty/serial/stm32-usart.h
+++ b/drivers/tty/serial/stm32-usart.h
@@ -9,18 +9,18 @@
#define DRIVER_NAME "stm32-usart"
struct stm32_usart_offsets {
- u8 cr1;
- u8 cr2;
- u8 cr3;
- u8 brr;
- u8 gtpr;
- u8 rtor;
- u8 rqr;
- u8 isr;
- u8 icr;
- u8 rdr;
- u8 tdr;
- u8 presc;
+ u16 cr1;
+ u16 cr2;
+ u16 cr3;
+ u16 brr;
+ u16 gtpr;
+ u16 rtor;
+ u16 rqr;
+ u16 isr;
+ u16 icr;
+ u16 rdr;
+ u16 tdr;
+ u16 presc;
};
struct stm32_usart_config {
@@ -37,7 +37,7 @@ struct stm32_usart_info {
struct stm32_usart_config cfg;
};
-#define UNDEF_REG 0xff
+#define UNDEF_REG 0xffff
/* USART_SR (F4) / USART_ISR (F7) */
#define USART_SR_PE BIT(0)
--
GitLab
From 5d207f62cec8d6e6f0fb6f35495723bf3960daf7 Mon Sep 17 00:00:00 2001
From: Valentin Caron <valentin.caron@foss.st.com>
Date: Fri, 12 Jan 2024 10:53:00 +0100
Subject: [PATCH 0231/2686] serial: stm32: get FIFO size from hwcfg register
Since STM32MP25, FIFO size could vary regarding the STM32MPxx version.
So we get this size from "hwcfgr1" register and compute threshold values
corresponding to the ratio given by reference manual.
As STM32MP1x, STM32MP25 and STM32H7 share the same compatible and STM32H7
doesn't have a register to get FIFO size, we force FIFO size to 16 in case
of zero read from hwcfgr1 register.
Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Link: https://lore.kernel.org/r/20240112095300.2004878-5-valentin.caron@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/stm32-usart.c | 158 +++++++++++++++++--------------
drivers/tty/serial/stm32-usart.h | 6 +-
2 files changed, 94 insertions(+), 70 deletions(-)
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 19a45e1b7102f..3cbb498c6ea68 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -40,63 +40,64 @@
/* Register offsets */
static struct stm32_usart_info __maybe_unused stm32f4_info = {
.ofs = {
- .isr = 0x00,
- .rdr = 0x04,
- .tdr = 0x04,
- .brr = 0x08,
- .cr1 = 0x0c,
- .cr2 = 0x10,
- .cr3 = 0x14,
- .gtpr = 0x18,
- .rtor = UNDEF_REG,
- .rqr = UNDEF_REG,
- .icr = UNDEF_REG,
- .presc = UNDEF_REG,
+ .isr = 0x00,
+ .rdr = 0x04,
+ .tdr = 0x04,
+ .brr = 0x08,
+ .cr1 = 0x0c,
+ .cr2 = 0x10,
+ .cr3 = 0x14,
+ .gtpr = 0x18,
+ .rtor = UNDEF_REG,
+ .rqr = UNDEF_REG,
+ .icr = UNDEF_REG,
+ .presc = UNDEF_REG,
+ .hwcfgr1 = UNDEF_REG,
},
.cfg = {
.uart_enable_bit = 13,
.has_7bits_data = false,
- .fifosize = 1,
}
};
static struct stm32_usart_info __maybe_unused stm32f7_info = {
.ofs = {
- .cr1 = 0x00,
- .cr2 = 0x04,
- .cr3 = 0x08,
- .brr = 0x0c,
- .gtpr = 0x10,
- .rtor = 0x14,
- .rqr = 0x18,
- .isr = 0x1c,
- .icr = 0x20,
- .rdr = 0x24,
- .tdr = 0x28,
- .presc = UNDEF_REG,
+ .cr1 = 0x00,
+ .cr2 = 0x04,
+ .cr3 = 0x08,
+ .brr = 0x0c,
+ .gtpr = 0x10,
+ .rtor = 0x14,
+ .rqr = 0x18,
+ .isr = 0x1c,
+ .icr = 0x20,
+ .rdr = 0x24,
+ .tdr = 0x28,
+ .presc = UNDEF_REG,
+ .hwcfgr1 = UNDEF_REG,
},
.cfg = {
.uart_enable_bit = 0,
.has_7bits_data = true,
.has_swap = true,
- .fifosize = 1,
}
};
static struct stm32_usart_info __maybe_unused stm32h7_info = {
.ofs = {
- .cr1 = 0x00,
- .cr2 = 0x04,
- .cr3 = 0x08,
- .brr = 0x0c,
- .gtpr = 0x10,
- .rtor = 0x14,
- .rqr = 0x18,
- .isr = 0x1c,
- .icr = 0x20,
- .rdr = 0x24,
- .tdr = 0x28,
- .presc = 0x2c,
+ .cr1 = 0x00,
+ .cr2 = 0x04,
+ .cr3 = 0x08,
+ .brr = 0x0c,
+ .gtpr = 0x10,
+ .rtor = 0x14,
+ .rqr = 0x18,
+ .isr = 0x1c,
+ .icr = 0x20,
+ .rdr = 0x24,
+ .tdr = 0x28,
+ .presc = 0x2c,
+ .hwcfgr1 = 0x3f0,
},
.cfg = {
.uart_enable_bit = 0,
@@ -104,7 +105,6 @@ static struct stm32_usart_info __maybe_unused stm32h7_info = {
.has_swap = true,
.has_wakeup = true,
.has_fifo = true,
- .fifosize = 16,
}
};
@@ -1498,37 +1498,57 @@ static const struct uart_ops stm32_uart_ops = {
#endif /* CONFIG_CONSOLE_POLL */
};
-/*
- * STM32H7 RX & TX FIFO threshold configuration (CR3 RXFTCFG / TXFTCFG)
- * Note: 1 isn't a valid value in RXFTCFG / TXFTCFG. In this case,
- * RXNEIE / TXEIE can be used instead of threshold irqs: RXFTIE / TXFTIE.
- * So, RXFTCFG / TXFTCFG bitfields values are encoded as array index + 1.
- */
-static const u32 stm32h7_usart_fifo_thresh_cfg[] = { 1, 2, 4, 8, 12, 14, 16 };
+struct stm32_usart_thresh_ratio {
+ int mul;
+ int div;
+};
+
+static const struct stm32_usart_thresh_ratio stm32h7_usart_fifo_thresh_cfg[] = {
+ {1, 8}, {1, 4}, {1, 2}, {3, 4}, {7, 8}, {1, 1} };
-static void stm32_usart_get_ftcfg(struct platform_device *pdev, const char *p,
- int *ftcfg)
+static int stm32_usart_get_thresh_value(u32 fifo_size, int index)
{
- u32 bytes, i;
+ return fifo_size * stm32h7_usart_fifo_thresh_cfg[index].mul /
+ stm32h7_usart_fifo_thresh_cfg[index].div;
+}
- /* DT option to get RX & TX FIFO threshold (default to 8 bytes) */
+static int stm32_usart_get_ftcfg(struct platform_device *pdev, struct stm32_port *stm32port,
+ const char *p, int *ftcfg)
+{
+ const struct stm32_usart_offsets *ofs = &stm32port->info->ofs;
+ u32 bytes, i, cfg8;
+ int fifo_size;
+
+ if (WARN_ON(ofs->hwcfgr1 == UNDEF_REG))
+ return 1;
+
+ cfg8 = FIELD_GET(USART_HWCFGR1_CFG8,
+ readl_relaxed(stm32port->port.membase + ofs->hwcfgr1));
+
+ /* On STM32H7, hwcfgr is not present, so returned value will be 0 */
+ fifo_size = cfg8 ? 1 << cfg8 : STM32H7_USART_FIFO_SIZE;
+
+ /* DT option to get RX & TX FIFO threshold (default to half fifo size) */
if (of_property_read_u32(pdev->dev.of_node, p, &bytes))
- bytes = 8;
+ bytes = fifo_size / 2;
+
+ if (bytes < stm32_usart_get_thresh_value(fifo_size, 0)) {
+ *ftcfg = -EINVAL;
+ return fifo_size;
+ }
- for (i = 0; i < ARRAY_SIZE(stm32h7_usart_fifo_thresh_cfg); i++)
- if (stm32h7_usart_fifo_thresh_cfg[i] >= bytes)
+ for (i = 0; i < ARRAY_SIZE(stm32h7_usart_fifo_thresh_cfg); i++) {
+ if (stm32_usart_get_thresh_value(fifo_size, i) >= bytes)
break;
+ }
if (i >= ARRAY_SIZE(stm32h7_usart_fifo_thresh_cfg))
i = ARRAY_SIZE(stm32h7_usart_fifo_thresh_cfg) - 1;
- dev_dbg(&pdev->dev, "%s set to %d bytes\n", p,
- stm32h7_usart_fifo_thresh_cfg[i]);
+ dev_dbg(&pdev->dev, "%s set to %d/%d bytes\n", p,
+ stm32_usart_get_thresh_value(fifo_size, i), fifo_size);
- /* Provide FIFO threshold ftcfg (1 is invalid: threshold irq unused) */
- if (i)
- *ftcfg = i - 1;
- else
- *ftcfg = -EINVAL;
+ *ftcfg = i;
+ return fifo_size;
}
static void stm32_usart_deinit_port(struct stm32_port *stm32port)
@@ -1558,7 +1578,6 @@ static int stm32_usart_init_port(struct stm32_port *stm32port,
port->flags = UPF_BOOT_AUTOCONF;
port->ops = &stm32_uart_ops;
port->dev = &pdev->dev;
- port->fifosize = stm32port->info->cfg.fifosize;
port->has_sysrq = IS_ENABLED(CONFIG_SERIAL_STM32_CONSOLE);
port->irq = irq;
port->rs485_config = stm32_usart_config_rs485;
@@ -1574,14 +1593,6 @@ static int stm32_usart_init_port(struct stm32_port *stm32port,
stm32port->swap = stm32port->info->cfg.has_swap &&
of_property_read_bool(pdev->dev.of_node, "rx-tx-swap");
- stm32port->fifoen = stm32port->info->cfg.has_fifo;
- if (stm32port->fifoen) {
- stm32_usart_get_ftcfg(pdev, "rx-threshold",
- &stm32port->rxftcfg);
- stm32_usart_get_ftcfg(pdev, "tx-threshold",
- &stm32port->txftcfg);
- }
-
port->membase = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(port->membase))
return PTR_ERR(port->membase);
@@ -1604,6 +1615,15 @@ static int stm32_usart_init_port(struct stm32_port *stm32port,
goto err_clk;
}
+ stm32port->fifoen = stm32port->info->cfg.has_fifo;
+ if (stm32port->fifoen) {
+ stm32_usart_get_ftcfg(pdev, stm32port, "rx-threshold", &stm32port->rxftcfg);
+ port->fifosize = stm32_usart_get_ftcfg(pdev, stm32port, "tx-threshold",
+ &stm32port->txftcfg);
+ } else {
+ port->fifosize = 1;
+ }
+
stm32port->gpios = mctrl_gpio_init(&stm32port->port, 0);
if (IS_ERR(stm32port->gpios)) {
ret = PTR_ERR(stm32port->gpios);
diff --git a/drivers/tty/serial/stm32-usart.h b/drivers/tty/serial/stm32-usart.h
index bf3720948704e..af20258ccc7a0 100644
--- a/drivers/tty/serial/stm32-usart.h
+++ b/drivers/tty/serial/stm32-usart.h
@@ -21,6 +21,7 @@ struct stm32_usart_offsets {
u16 rdr;
u16 tdr;
u16 presc;
+ u16 hwcfgr1;
};
struct stm32_usart_config {
@@ -29,7 +30,6 @@ struct stm32_usart_config {
bool has_swap;
bool has_wakeup;
bool has_fifo;
- int fifosize;
};
struct stm32_usart_info {
@@ -182,8 +182,12 @@ struct stm32_usart_info {
#define USART_PRESC GENMASK(3, 0) /* H7 */
#define USART_PRESC_MAX 0b1011
+/* USART_HWCFCR1 */
+#define USART_HWCFGR1_CFG8 GENMASK(31, 28) /* MP1 */
+
#define STM32_SERIAL_NAME "ttySTM"
#define STM32_MAX_PORTS 9
+#define STM32H7_USART_FIFO_SIZE 16
#define RX_BUF_L 4096 /* dma rx buffer length */
#define RX_BUF_P (RX_BUF_L / 2) /* dma rx buffer period */
--
GitLab
From 0d27056c24efd3d63a03f3edfbcfc4827086b110 Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:21:57 -0500
Subject: [PATCH 0232/2686] serial: max310x: fix NULL pointer dereference in
I2C instantiation
When trying to instantiate a max14830 device from userspace:
echo max14830 0x60 > /sys/bus/i2c/devices/i2c-2/new_device
we get the following error:
Unable to handle kernel NULL pointer dereference at virtual address...
...
Call trace:
max310x_i2c_probe+0x48/0x170 [max310x]
i2c_device_probe+0x150/0x2a0
...
Add check for validity of devtype to prevent the error, and abort probe
with a meaningful error message.
Fixes: 2e1f2d9a9bdb ("serial: max310x: implement I2C support")
Cc: stable@vger.kernel.org
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-2-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index f3a99daebdaa0..4a33fd950ed2b 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1602,13 +1602,16 @@ static unsigned short max310x_i2c_slave_addr(unsigned short addr,
static int max310x_i2c_probe(struct i2c_client *client)
{
- const struct max310x_devtype *devtype =
- device_get_match_data(&client->dev);
+ const struct max310x_devtype *devtype;
struct i2c_client *port_client;
struct regmap *regmaps[4];
unsigned int i;
u8 port_addr;
+ devtype = device_get_match_data(&client->dev);
+ if (!devtype)
+ return dev_err_probe(&client->dev, -ENODEV, "Failed to match device\n");
+
if (client->addr < devtype->slave_addr.min ||
client->addr > devtype->slave_addr.max)
return dev_err_probe(&client->dev, -EINVAL,
--
GitLab
From 60a389a5c82bc75894cb5568fdb5feb138b91c73 Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:21:58 -0500
Subject: [PATCH 0233/2686] serial: max310x: add I2C device table for
instantiation from userspace
This allows to instantiate a max14830 I2C device from userspace.
Helpful when testing driver with i2c-stub.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-3-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 4a33fd950ed2b..053cf2458264e 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1639,6 +1639,15 @@ static void max310x_i2c_remove(struct i2c_client *client)
max310x_remove(&client->dev);
}
+static const struct i2c_device_id max310x_i2c_id_table[] = {
+ { "max3107", (kernel_ulong_t)&max3107_devtype, },
+ { "max3108", (kernel_ulong_t)&max3108_devtype, },
+ { "max3109", (kernel_ulong_t)&max3109_devtype, },
+ { "max14830", (kernel_ulong_t)&max14830_devtype, },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, max310x_i2c_id_table);
+
static struct i2c_driver max310x_i2c_driver = {
.driver = {
.name = MAX310X_NAME,
@@ -1647,6 +1656,7 @@ static struct i2c_driver max310x_i2c_driver = {
},
.probe = max310x_i2c_probe,
.remove = max310x_i2c_remove,
+ .id_table = max310x_i2c_id_table,
};
#endif
--
GitLab
From 754500bf73e351e5ba29560d3e8fc7931f8d3a1d Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:21:59 -0500
Subject: [PATCH 0234/2686] serial: max310x: use i2c_get_match_data()
Use preferred i2c_get_match_data() instead of device_get_match_data()
to get the driver match data.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-4-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 053cf2458264e..a051bc773c4b0 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1608,7 +1608,7 @@ static int max310x_i2c_probe(struct i2c_client *client)
unsigned int i;
u8 port_addr;
- devtype = device_get_match_data(&client->dev);
+ devtype = i2c_get_match_data(client);
if (!devtype)
return dev_err_probe(&client->dev, -ENODEV, "Failed to match device\n");
--
GitLab
From fc7c3921074cd1166703bb1bda19b1800aa95674 Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:00 -0500
Subject: [PATCH 0235/2686] serial: max310x: use spi_get_device_match_data()
Use preferred spi_get_device_match_data() instead of
device_get_match_data() and spi_get_device_id() to get the driver match
data.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-5-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index a051bc773c4b0..2314ec2afd3f8 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1514,9 +1514,9 @@ static int max310x_spi_probe(struct spi_device *spi)
if (ret)
return ret;
- devtype = device_get_match_data(&spi->dev);
+ devtype = spi_get_device_match_data(spi);
if (!devtype)
- devtype = (struct max310x_devtype *)spi_get_device_id(spi)->driver_data;
+ return dev_err_probe(&spi->dev, -ENODEV, "Failed to match device\n");
for (i = 0; i < devtype->nr; i++) {
u8 port_mask = i * 0x20;
--
GitLab
From 8ede8c6f474255b2213cccd7997b993272a8e2f9 Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:01 -0500
Subject: [PATCH 0236/2686] serial: max310x: fix syntax error in IRQ error
message
Replace g with q.
Helpful when grepping thru source code or logs for
"request" keyword.
Fixes: f65444187a66 ("serial: New serial driver MAX310X")
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-6-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 2314ec2afd3f8..27c8ec9566917 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1428,7 +1428,7 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty
if (!ret)
return 0;
- dev_err(dev, "Unable to reguest IRQ %i\n", irq);
+ dev_err(dev, "Unable to request IRQ %i\n", irq);
out_uart:
for (i = 0; i < devtype->nr; i++) {
--
GitLab
From eaf29135abb1c152a05572a5454c61dcd65bdeea Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:02 -0500
Subject: [PATCH 0237/2686] serial: max310x: remove holes in struct
max310x_devtype
Running pahole shows that there are some holes within the
max310x_devtype structure.
Remove holes and optimize alignment by reorganizing structure members.
This can also lead to data structure size reduction for some CPUs.
On 64-bit CPU (arm64):
Before:
/* size: 40, cachelines: 1, members: 6 */
/* sum members: 34, holes: 2, sum holes: 6 */
/* last cacheline: 40 bytes */
After:
/* size: 40, cachelines: 1, members: 6 */
/* padding: 6 */
/* last cacheline: 40 bytes */
On 32-bit CPU (i386):
Before:
/* size: 32, cachelines: 1, members: 6 */
/* sum members: 26, holes: 2, sum holes: 6 */
/* last cacheline: 32 bytes */
After:
/* size: 24, cachelines: 1, members: 8 */
/* padding: 2 */
/* last cacheline: 24 bytes */
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-7-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 27c8ec9566917..21f2fa3a91e5b 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -258,11 +258,11 @@ struct max310x_devtype {
unsigned short min;
unsigned short max;
} slave_addr;
- char name[9];
int nr;
- u8 mode1;
int (*detect)(struct device *);
void (*power)(struct uart_port *, int);
+ char name[9];
+ u8 mode1;
};
struct max310x_one {
--
GitLab
From dbaa0083896cb44d2b9023c04fc15d1324c88d10 Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:03 -0500
Subject: [PATCH 0238/2686] serial: max310x: add macro for max number of ports
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add macro to hold the maximum number of UART ports per IC/device.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Tested-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Link: https://lore.kernel.org/all/ddbc67dd-f8a3-4a6a-954a-bee49260ecab@cesnet.cz/
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-8-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 21f2fa3a91e5b..6549eee4f6a61 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -30,6 +30,7 @@
#define MAX310X_MAJOR 204
#define MAX310X_MINOR 209
#define MAX310X_UART_NRMAX 16
+#define MAX310X_MAX_PORTS 4 /* Maximum number of UART ports per IC. */
/* MAX310X register definitions */
#define MAX310X_RHR_REG (0x00) /* RX FIFO */
@@ -1502,7 +1503,7 @@ static const struct max310x_if_cfg __maybe_unused max310x_spi_if_cfg = {
static int max310x_spi_probe(struct spi_device *spi)
{
const struct max310x_devtype *devtype;
- struct regmap *regmaps[4];
+ struct regmap *regmaps[MAX310X_MAX_PORTS];
unsigned int i;
int ret;
@@ -1604,7 +1605,7 @@ static int max310x_i2c_probe(struct i2c_client *client)
{
const struct max310x_devtype *devtype;
struct i2c_client *port_client;
- struct regmap *regmaps[4];
+ struct regmap *regmaps[MAX310X_MAX_PORTS];
unsigned int i;
u8 port_addr;
--
GitLab
From 609aabb259d497578ffa2d66ced57c22044f821c Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:04 -0500
Subject: [PATCH 0239/2686] serial: max310x: use separate regmap name for each
port
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Use a separate regmap name for each port so they can each have their own
debugfs entry, allowing to access each port registers independently.
For example, a four channels/ports device like the MAX14830 will have four
entries in its regmap debugfs:
$ find /sys/kernel/debug/regmap -type d | grep spi0.0
/sys/kernel/debug/regmap/spi0.0-port0
/sys/kernel/debug/regmap/spi0.0-port1
/sys/kernel/debug/regmap/spi0.0-port2
/sys/kernel/debug/regmap/spi0.0-port3
Cc: Jan Kundrát <jan.kundrat@cesnet.cz>
Link: https://lore.kernel.org/all/77f101f1-897d-4e6d-a8fd-27b818caf768@cesnet.cz/
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-9-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 6549eee4f6a61..d6219077d23c9 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1486,6 +1486,19 @@ static struct regmap_config regcfg = {
.max_raw_write = MAX310X_FIFO_SIZE,
};
+static const char *max310x_regmap_name(u8 port_id)
+{
+ switch (port_id) {
+ case 0: return "port0";
+ case 1: return "port1";
+ case 2: return "port2";
+ case 3: return "port3";
+ default:
+ WARN_ON(true);
+ return NULL;
+ }
+}
+
#ifdef CONFIG_SPI_MASTER
static int max310x_spi_extended_reg_enable(struct device *dev, bool enable)
{
@@ -1521,6 +1534,8 @@ static int max310x_spi_probe(struct spi_device *spi)
for (i = 0; i < devtype->nr; i++) {
u8 port_mask = i * 0x20;
+
+ regcfg.name = max310x_regmap_name(i);
regcfg.read_flag_mask = port_mask;
regcfg.write_flag_mask = port_mask | MAX310X_WRITE_BIT;
regmaps[i] = devm_regmap_init_spi(spi, ®cfg);
@@ -1620,6 +1635,7 @@ static int max310x_i2c_probe(struct i2c_client *client)
client->addr, devtype->slave_addr.min,
devtype->slave_addr.max);
+ regcfg_i2c.name = max310x_regmap_name(0);
regmaps[0] = devm_regmap_init_i2c(client, ®cfg_i2c);
for (i = 1; i < devtype->nr; i++) {
@@ -1628,6 +1644,7 @@ static int max310x_i2c_probe(struct i2c_client *client)
client->adapter,
port_addr);
+ regcfg_i2c.name = max310x_regmap_name(i);
regmaps[i] = devm_regmap_init_i2c(port_client, ®cfg_i2c);
}
--
GitLab
From 5d888f1c32e2281843d58eef963e3ebd625b77a9 Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:05 -0500
Subject: [PATCH 0240/2686] serial: max310x: simplify probe() and remove()
error handling
Simplify error handling and only call uart_remove_one_port() if line bit
is set, instead of having to manually set s->p[i].port.dev to NULL.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-10-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index d6219077d23c9..9ef146f09d5b2 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1395,10 +1395,9 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty
/* Register port */
ret = uart_add_one_port(&max310x_uart, &s->p[i].port);
- if (ret) {
- s->p[i].port.dev = NULL;
+ if (ret)
goto out_uart;
- }
+
set_bit(line, max310x_lines);
/* Go to suspend mode */
@@ -1433,10 +1432,8 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty
out_uart:
for (i = 0; i < devtype->nr; i++) {
- if (s->p[i].port.dev) {
+ if (test_and_clear_bit(s->p[i].port.line, max310x_lines))
uart_remove_one_port(&max310x_uart, &s->p[i].port);
- clear_bit(s->p[i].port.line, max310x_lines);
- }
}
out_clk:
@@ -1454,8 +1451,10 @@ static void max310x_remove(struct device *dev)
cancel_work_sync(&s->p[i].tx_work);
cancel_work_sync(&s->p[i].md_work);
cancel_work_sync(&s->p[i].rs_work);
- uart_remove_one_port(&max310x_uart, &s->p[i].port);
- clear_bit(s->p[i].port.line, max310x_lines);
+
+ if (test_and_clear_bit(s->p[i].port.line, max310x_lines))
+ uart_remove_one_port(&max310x_uart, &s->p[i].port);
+
s->devtype->power(&s->p[i].port, 0);
}
--
GitLab
From d5dd265cda8083ce63d49232e8957d9702e48a55 Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:06 -0500
Subject: [PATCH 0241/2686] serial: max310x: add explicit return for some
switch default cases
Allows to simplify code by removing the break statement in the default
switch/case in some functions.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-11-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 9ef146f09d5b2..048ae432ba484 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -483,10 +483,8 @@ static bool max310x_reg_writeable(struct device *dev, unsigned int reg)
case MAX310X_RXFIFOLVL_REG:
return false;
default:
- break;
+ return true;
}
-
- return true;
}
static bool max310x_reg_volatile(struct device *dev, unsigned int reg)
@@ -505,10 +503,8 @@ static bool max310x_reg_volatile(struct device *dev, unsigned int reg)
case MAX310X_REG_1F:
return true;
default:
- break;
+ return false;
}
-
- return false;
}
static bool max310x_reg_precious(struct device *dev, unsigned int reg)
@@ -520,10 +516,8 @@ static bool max310x_reg_precious(struct device *dev, unsigned int reg)
case MAX310X_STS_IRQSTS_REG:
return true;
default:
- break;
+ return false;
}
-
- return false;
}
static bool max310x_reg_noinc(struct device *dev, unsigned int reg)
--
GitLab
From e16b9c8ca378e44b92edd95743f6f0160ce616e7 Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:07 -0500
Subject: [PATCH 0242/2686] serial: max310x: use dev_err_probe() instead of
dev_err()
Replace dev_err() with dev_err_probe().
This helps in simplifing code and standardizing the error output.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-12-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 048ae432ba484..701bf54e40843 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1275,10 +1275,9 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty
/* Alloc port structure */
s = devm_kzalloc(dev, struct_size(s, p, devtype->nr), GFP_KERNEL);
- if (!s) {
- dev_err(dev, "Error allocating port structure\n");
- return -ENOMEM;
- }
+ if (!s)
+ return dev_err_probe(dev, -ENOMEM,
+ "Error allocating port structure\n");
/* Always ask for fixed clock rate from a property. */
device_property_read_u32(dev, "clock-frequency", &uartclk);
@@ -1299,8 +1298,7 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty
if (freq == 0)
freq = uartclk;
if (freq == 0) {
- dev_err(dev, "Cannot get clock rate\n");
- ret = -EINVAL;
+ ret = dev_err_probe(dev, -EINVAL, "Cannot get clock rate\n");
goto out_clk;
}
--
GitLab
From 08ad4824f74dd64bde06f8530505ae2b663953c2 Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:08 -0500
Subject: [PATCH 0243/2686] serial: max310x: replace hardcoded masks with
preferred GENMASK()
GENMASK() is preferred when defining bitmasks.
Of all the masks changed, only MAX310x_REV_MASK is actually used.
No functional change.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-13-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 701bf54e40843..c93b326faf89b 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -161,14 +161,14 @@
#define MAX310X_IRDA_SIR_BIT (1 << 1) /* SIR mode enable */
/* Flow control trigger level register masks */
-#define MAX310X_FLOWLVL_HALT_MASK (0x000f) /* Flow control halt level */
-#define MAX310X_FLOWLVL_RES_MASK (0x00f0) /* Flow control resume level */
+#define MAX310X_FLOWLVL_HALT_MASK GENMASK(3, 0) /* Flow control halt level */
+#define MAX310X_FLOWLVL_RES_MASK GENMASK(7, 4) /* Flow control resume level */
#define MAX310X_FLOWLVL_HALT(words) ((words / 8) & 0x0f)
#define MAX310X_FLOWLVL_RES(words) (((words / 8) & 0x0f) << 4)
/* FIFO interrupt trigger level register masks */
-#define MAX310X_FIFOTRIGLVL_TX_MASK (0x0f) /* TX FIFO trigger level */
-#define MAX310X_FIFOTRIGLVL_RX_MASK (0xf0) /* RX FIFO trigger level */
+#define MAX310X_FIFOTRIGLVL_TX_MASK GENMASK(3, 0) /* TX FIFO trigger level */
+#define MAX310X_FIFOTRIGLVL_RX_MASK GENMASK(7, 4) /* RX FIFO trigger level */
#define MAX310X_FIFOTRIGLVL_TX(words) ((words / 8) & 0x0f)
#define MAX310X_FIFOTRIGLVL_RX(words) (((words / 8) & 0x0f) << 4)
@@ -215,8 +215,8 @@
*/
/* PLL configuration register masks */
-#define MAX310X_PLLCFG_PREDIV_MASK (0x3f) /* PLL predivision value */
-#define MAX310X_PLLCFG_PLLFACTOR_MASK (0xc0) /* PLL multiplication factor */
+#define MAX310X_PLLCFG_PREDIV_MASK GENMASK(5, 0) /* PLL predivision value */
+#define MAX310X_PLLCFG_PLLFACTOR_MASK GENMASK(7, 6) /* PLL multiplication factor */
/* Baud rate generator configuration register bits */
#define MAX310X_BRGCFG_2XMODE_BIT (1 << 4) /* Double baud rate */
@@ -235,7 +235,7 @@
/* Misc definitions */
#define MAX310X_FIFO_SIZE (128)
-#define MAX310x_REV_MASK (0xf8)
+#define MAX310x_REV_MASK GENMASK(7, 3)
#define MAX310X_WRITE_BIT 0x80
/* MAX3107 specific */
--
GitLab
From 74fe93eae5389c96d4cfd4bc0cc5a547373ab96a Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:09 -0500
Subject: [PATCH 0244/2686] serial: max310x: use common detect function for all
variants
Simplify driver by defining a common function to handle the detection
of all variants.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-14-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 134 ++++++++++++++---------------------
1 file changed, 54 insertions(+), 80 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index c93b326faf89b..83beaab3a0c57 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -67,6 +67,7 @@
#define MAX310X_BRGDIVMSB_REG (0x1d) /* Baud rate divisor MSB */
#define MAX310X_CLKSRC_REG (0x1e) /* Clock source */
#define MAX310X_REG_1F (0x1f)
+#define MAX310X_EXTREG_START (0x20) /* Only relevant in SPI mode. */
#define MAX310X_REVID_REG MAX310X_REG_1F /* Revision ID */
@@ -74,9 +75,9 @@
#define MAX310X_GLOBALCMD_REG MAX310X_REG_1F /* Global Command (WO) */
/* Extended registers */
-#define MAX310X_SPI_REVID_EXTREG MAX310X_REG_05 /* Revision ID */
-#define MAX310X_I2C_REVID_EXTREG (0x25) /* Revision ID */
-
+#define MAX310X_REVID_EXTREG (0x25) /* Revision ID
+ * (extended addressing space)
+ */
/* IRQ register bits */
#define MAX310X_IRQ_LSR_BIT (1 << 0) /* LSR interrupt */
#define MAX310X_IRQ_SPCHR_BIT (1 << 1) /* Special char interrupt */
@@ -250,8 +251,7 @@
struct max310x_if_cfg {
int (*extended_reg_enable)(struct device *dev, bool enable);
-
- unsigned int rev_id_reg;
+ u8 rev_id_offset;
};
struct max310x_devtype {
@@ -260,10 +260,11 @@ struct max310x_devtype {
unsigned short max;
} slave_addr;
int nr;
- int (*detect)(struct device *);
void (*power)(struct uart_port *, int);
char name[9];
u8 mode1;
+ u8 rev_id_val;
+ u8 rev_id_reg; /* Relevant only if rev_id_val is defined. */
};
struct max310x_one {
@@ -324,62 +325,52 @@ static void max310x_port_update(struct uart_port *port, u8 reg, u8 mask, u8 val)
regmap_update_bits(one->regmap, reg, mask, val);
}
-static int max3107_detect(struct device *dev)
+static int max310x_detect(struct device *dev)
{
struct max310x_port *s = dev_get_drvdata(dev);
unsigned int val = 0;
int ret;
- ret = regmap_read(s->regmap, MAX310X_REVID_REG, &val);
- if (ret)
- return ret;
-
- if (((val & MAX310x_REV_MASK) != MAX3107_REV_ID)) {
- dev_err(dev,
- "%s ID 0x%02x does not match\n", s->devtype->name, val);
- return -ENODEV;
- }
+ /* Check if variant supports REV ID register: */
+ if (s->devtype->rev_id_val) {
+ u8 rev_id_reg = s->devtype->rev_id_reg;
- return 0;
-}
+ /* Check if REV ID is in extended addressing space: */
+ if (s->devtype->rev_id_reg >= MAX310X_EXTREG_START) {
+ ret = s->if_cfg->extended_reg_enable(dev, true);
+ if (ret)
+ return ret;
-static int max3108_detect(struct device *dev)
-{
- struct max310x_port *s = dev_get_drvdata(dev);
- unsigned int val = 0;
- int ret;
-
- /* MAX3108 have not REV ID register, we just check default value
- * from clocksource register to make sure everything works.
- */
- ret = regmap_read(s->regmap, MAX310X_CLKSRC_REG, &val);
- if (ret)
- return ret;
-
- if (val != (MAX310X_CLKSRC_EXTCLK_BIT | MAX310X_CLKSRC_PLLBYP_BIT)) {
- dev_err(dev, "%s not present\n", s->devtype->name);
- return -ENODEV;
- }
+ /* Adjust REV ID extended addressing space address: */
+ if (s->if_cfg->rev_id_offset)
+ rev_id_reg -= s->if_cfg->rev_id_offset;
+ }
- return 0;
-}
+ regmap_read(s->regmap, rev_id_reg, &val);
-static int max3109_detect(struct device *dev)
-{
- struct max310x_port *s = dev_get_drvdata(dev);
- unsigned int val = 0;
- int ret;
+ if (s->devtype->rev_id_reg >= MAX310X_EXTREG_START) {
+ ret = s->if_cfg->extended_reg_enable(dev, false);
+ if (ret)
+ return ret;
+ }
- ret = s->if_cfg->extended_reg_enable(dev, true);
- if (ret)
- return ret;
+ if (((val & MAX310x_REV_MASK) != s->devtype->rev_id_val))
+ return dev_err_probe(dev, -ENODEV,
+ "%s ID 0x%02x does not match\n",
+ s->devtype->name, val);
+ } else {
+ /*
+ * For variant without REV ID register, just check default value
+ * from clocksource register to make sure everything works.
+ */
+ ret = regmap_read(s->regmap, MAX310X_CLKSRC_REG, &val);
+ if (ret)
+ return ret;
- regmap_read(s->regmap, s->if_cfg->rev_id_reg, &val);
- s->if_cfg->extended_reg_enable(dev, false);
- if (((val & MAX310x_REV_MASK) != MAX3109_REV_ID)) {
- dev_err(dev,
- "%s ID 0x%02x does not match\n", s->devtype->name, val);
- return -ENODEV;
+ if (val != (MAX310X_CLKSRC_EXTCLK_BIT | MAX310X_CLKSRC_PLLBYP_BIT))
+ return dev_err_probe(dev, -ENODEV,
+ "%s not present\n",
+ s->devtype->name);
}
return 0;
@@ -394,27 +385,6 @@ static void max310x_power(struct uart_port *port, int on)
msleep(50);
}
-static int max14830_detect(struct device *dev)
-{
- struct max310x_port *s = dev_get_drvdata(dev);
- unsigned int val = 0;
- int ret;
-
- ret = s->if_cfg->extended_reg_enable(dev, true);
- if (ret)
- return ret;
-
- regmap_read(s->regmap, s->if_cfg->rev_id_reg, &val);
- s->if_cfg->extended_reg_enable(dev, false);
- if (((val & MAX310x_REV_MASK) != MAX14830_REV_ID)) {
- dev_err(dev,
- "%s ID 0x%02x does not match\n", s->devtype->name, val);
- return -ENODEV;
- }
-
- return 0;
-}
-
static void max14830_power(struct uart_port *port, int on)
{
max310x_port_update(port, MAX310X_BRGCFG_REG,
@@ -428,7 +398,8 @@ static const struct max310x_devtype max3107_devtype = {
.name = "MAX3107",
.nr = 1,
.mode1 = MAX310X_MODE1_AUTOSLEEP_BIT | MAX310X_MODE1_IRQSEL_BIT,
- .detect = max3107_detect,
+ .rev_id_val = MAX3107_REV_ID,
+ .rev_id_reg = MAX310X_REVID_REG,
.power = max310x_power,
.slave_addr = {
.min = 0x2c,
@@ -440,7 +411,8 @@ static const struct max310x_devtype max3108_devtype = {
.name = "MAX3108",
.nr = 1,
.mode1 = MAX310X_MODE1_AUTOSLEEP_BIT,
- .detect = max3108_detect,
+ .rev_id_val = 0, /* Unsupported. */
+ .rev_id_reg = 0, /* Irrelevant when rev_id_val is not defined. */
.power = max310x_power,
.slave_addr = {
.min = 0x60,
@@ -452,7 +424,8 @@ static const struct max310x_devtype max3109_devtype = {
.name = "MAX3109",
.nr = 2,
.mode1 = MAX310X_MODE1_AUTOSLEEP_BIT,
- .detect = max3109_detect,
+ .rev_id_val = MAX3109_REV_ID,
+ .rev_id_reg = MAX310X_REVID_EXTREG,
.power = max310x_power,
.slave_addr = {
.min = 0x60,
@@ -464,7 +437,8 @@ static const struct max310x_devtype max14830_devtype = {
.name = "MAX14830",
.nr = 4,
.mode1 = MAX310X_MODE1_IRQSEL_BIT,
- .detect = max14830_detect,
+ .rev_id_val = MAX14830_REV_ID,
+ .rev_id_reg = MAX310X_REVID_EXTREG,
.power = max14830_power,
.slave_addr = {
.min = 0x60,
@@ -1322,7 +1296,7 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty
dev_set_drvdata(dev, s);
/* Check device to ensure we are talking to what we expect */
- ret = devtype->detect(dev);
+ ret = max310x_detect(dev);
if (ret)
goto out_clk;
@@ -1501,7 +1475,7 @@ static int max310x_spi_extended_reg_enable(struct device *dev, bool enable)
static const struct max310x_if_cfg __maybe_unused max310x_spi_if_cfg = {
.extended_reg_enable = max310x_spi_extended_reg_enable,
- .rev_id_reg = MAX310X_SPI_REVID_EXTREG,
+ .rev_id_offset = MAX310X_EXTREG_START,
};
static int max310x_spi_probe(struct spi_device *spi)
@@ -1574,7 +1548,7 @@ static struct regmap_config regcfg_i2c = {
.writeable_reg = max310x_reg_writeable,
.volatile_reg = max310x_reg_volatile,
.precious_reg = max310x_reg_precious,
- .max_register = MAX310X_I2C_REVID_EXTREG,
+ .max_register = MAX310X_REVID_EXTREG,
.writeable_noinc_reg = max310x_reg_noinc,
.readable_noinc_reg = max310x_reg_noinc,
.max_raw_read = MAX310X_FIFO_SIZE,
@@ -1583,7 +1557,7 @@ static struct regmap_config regcfg_i2c = {
static const struct max310x_if_cfg max310x_i2c_if_cfg = {
.extended_reg_enable = max310x_i2c_extended_reg_enable,
- .rev_id_reg = MAX310X_I2C_REVID_EXTREG,
+ .rev_id_offset = 0, /* No offset in I2C mode. */
};
static unsigned short max310x_i2c_slave_addr(unsigned short addr,
--
GitLab
From 9464833a765f66a9fbc0b972e89c1e1a13f4d3a0 Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:10 -0500
Subject: [PATCH 0245/2686] serial: max310x: use common power function for all
variants
Simplify driver by defining a common function to handle the power
control of all variants.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-15-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 44 ++++++++++++++++--------------------
1 file changed, 19 insertions(+), 25 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 83beaab3a0c57..e39d8ea51e4ee 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -260,11 +260,12 @@ struct max310x_devtype {
unsigned short max;
} slave_addr;
int nr;
- void (*power)(struct uart_port *, int);
char name[9];
u8 mode1;
u8 rev_id_val;
u8 rev_id_reg; /* Relevant only if rev_id_val is defined. */
+ u8 power_reg; /* Register address for power/sleep control. */
+ u8 power_bit; /* Bit for sleep or power-off mode (active high). */
};
struct max310x_one {
@@ -378,18 +379,10 @@ static int max310x_detect(struct device *dev)
static void max310x_power(struct uart_port *port, int on)
{
- max310x_port_update(port, MAX310X_MODE1_REG,
- MAX310X_MODE1_FORCESLEEP_BIT,
- on ? 0 : MAX310X_MODE1_FORCESLEEP_BIT);
- if (on)
- msleep(50);
-}
+ struct max310x_port *s = dev_get_drvdata(port->dev);
-static void max14830_power(struct uart_port *port, int on)
-{
- max310x_port_update(port, MAX310X_BRGCFG_REG,
- MAX14830_BRGCFG_CLKDIS_BIT,
- on ? 0 : MAX14830_BRGCFG_CLKDIS_BIT);
+ max310x_port_update(port, s->devtype->power_reg, s->devtype->power_bit,
+ on ? 0 : s->devtype->power_bit);
if (on)
msleep(50);
}
@@ -400,7 +393,8 @@ static const struct max310x_devtype max3107_devtype = {
.mode1 = MAX310X_MODE1_AUTOSLEEP_BIT | MAX310X_MODE1_IRQSEL_BIT,
.rev_id_val = MAX3107_REV_ID,
.rev_id_reg = MAX310X_REVID_REG,
- .power = max310x_power,
+ .power_reg = MAX310X_MODE1_REG,
+ .power_bit = MAX310X_MODE1_FORCESLEEP_BIT,
.slave_addr = {
.min = 0x2c,
.max = 0x2f,
@@ -413,7 +407,8 @@ static const struct max310x_devtype max3108_devtype = {
.mode1 = MAX310X_MODE1_AUTOSLEEP_BIT,
.rev_id_val = 0, /* Unsupported. */
.rev_id_reg = 0, /* Irrelevant when rev_id_val is not defined. */
- .power = max310x_power,
+ .power_reg = MAX310X_MODE1_REG,
+ .power_bit = MAX310X_MODE1_FORCESLEEP_BIT,
.slave_addr = {
.min = 0x60,
.max = 0x6f,
@@ -426,7 +421,8 @@ static const struct max310x_devtype max3109_devtype = {
.mode1 = MAX310X_MODE1_AUTOSLEEP_BIT,
.rev_id_val = MAX3109_REV_ID,
.rev_id_reg = MAX310X_REVID_EXTREG,
- .power = max310x_power,
+ .power_reg = MAX310X_MODE1_REG,
+ .power_bit = MAX310X_MODE1_FORCESLEEP_BIT,
.slave_addr = {
.min = 0x60,
.max = 0x6f,
@@ -439,7 +435,8 @@ static const struct max310x_devtype max14830_devtype = {
.mode1 = MAX310X_MODE1_IRQSEL_BIT,
.rev_id_val = MAX14830_REV_ID,
.rev_id_reg = MAX310X_REVID_EXTREG,
- .power = max14830_power,
+ .power_reg = MAX310X_BRGCFG_REG,
+ .power_bit = MAX14830_BRGCFG_CLKDIS_BIT,
.slave_addr = {
.min = 0x60,
.max = 0x6f,
@@ -1025,10 +1022,9 @@ static int max310x_rs485_config(struct uart_port *port, struct ktermios *termios
static int max310x_startup(struct uart_port *port)
{
- struct max310x_port *s = dev_get_drvdata(port->dev);
unsigned int val;
- s->devtype->power(port, 1);
+ max310x_power(port, 1);
/* Configure MODE1 register */
max310x_port_update(port, MAX310X_MODE1_REG,
@@ -1073,12 +1069,10 @@ static int max310x_startup(struct uart_port *port)
static void max310x_shutdown(struct uart_port *port)
{
- struct max310x_port *s = dev_get_drvdata(port->dev);
-
/* Disable all interrupts */
max310x_port_write(port, MAX310X_IRQEN_REG, 0);
- s->devtype->power(port, 0);
+ max310x_power(port, 0);
}
static const char *max310x_type(struct uart_port *port)
@@ -1140,7 +1134,7 @@ static int __maybe_unused max310x_suspend(struct device *dev)
for (i = 0; i < s->devtype->nr; i++) {
uart_suspend_port(&max310x_uart, &s->p[i].port);
- s->devtype->power(&s->p[i].port, 0);
+ max310x_power(&s->p[i].port, 0);
}
return 0;
@@ -1152,7 +1146,7 @@ static int __maybe_unused max310x_resume(struct device *dev)
int i;
for (i = 0; i < s->devtype->nr; i++) {
- s->devtype->power(&s->p[i].port, 1);
+ max310x_power(&s->p[i].port, 1);
uart_resume_port(&max310x_uart, &s->p[i].port);
}
@@ -1367,7 +1361,7 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty
set_bit(line, max310x_lines);
/* Go to suspend mode */
- devtype->power(&s->p[i].port, 0);
+ max310x_power(&s->p[i].port, 0);
}
#ifdef CONFIG_GPIOLIB
@@ -1421,7 +1415,7 @@ static void max310x_remove(struct device *dev)
if (test_and_clear_bit(s->p[i].port.line, max310x_lines))
uart_remove_one_port(&max310x_uart, &s->p[i].port);
- s->devtype->power(&s->p[i].port, 0);
+ max310x_power(&s->p[i].port, 0);
}
clk_disable_unprepare(s->clk);
--
GitLab
From 79b69eb09cf5b6a77e621b2838b7e0d38113debb Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:11 -0500
Subject: [PATCH 0246/2686] serial: max310x: replace bare use of 'unsigned'
with 'unsigned int' (checkpatch)
Fixes the following checkpatch warnings:
WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
With this change, the affected functions now match the prototypes in
struct gpio_chip.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-16-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index e39d8ea51e4ee..9faea1224a585 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1156,7 +1156,7 @@ static int __maybe_unused max310x_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(max310x_pm_ops, max310x_suspend, max310x_resume);
#ifdef CONFIG_GPIOLIB
-static int max310x_gpio_get(struct gpio_chip *chip, unsigned offset)
+static int max310x_gpio_get(struct gpio_chip *chip, unsigned int offset)
{
unsigned int val;
struct max310x_port *s = gpiochip_get_data(chip);
@@ -1167,7 +1167,7 @@ static int max310x_gpio_get(struct gpio_chip *chip, unsigned offset)
return !!((val >> 4) & (1 << (offset % 4)));
}
-static void max310x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+static void max310x_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
{
struct max310x_port *s = gpiochip_get_data(chip);
struct uart_port *port = &s->p[offset / 4].port;
@@ -1176,7 +1176,7 @@ static void max310x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
value ? 1 << (offset % 4) : 0);
}
-static int max310x_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
+static int max310x_gpio_direction_input(struct gpio_chip *chip, unsigned int offset)
{
struct max310x_port *s = gpiochip_get_data(chip);
struct uart_port *port = &s->p[offset / 4].port;
@@ -1187,7 +1187,7 @@ static int max310x_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
}
static int max310x_gpio_direction_output(struct gpio_chip *chip,
- unsigned offset, int value)
+ unsigned int offset, int value)
{
struct max310x_port *s = gpiochip_get_data(chip);
struct uart_port *port = &s->p[offset / 4].port;
--
GitLab
From 9d9b9f5ac2f8120f73d9f3ca3fe2f0e51aa5f335 Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:12 -0500
Subject: [PATCH 0247/2686] serial: max310x: reformat and improve comments
Add comments about I2C slave address structure, and reformat to
improve readability.
Also reformat some comments according to kernel coding style.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-17-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 40 ++++++++++++++++++++++--------------
1 file changed, 25 insertions(+), 15 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 9faea1224a585..37007b25fbee2 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -179,7 +179,8 @@
#define MAX310X_FLOWCTRL_GPIADDR_BIT (1 << 2) /* Enables that GPIO inputs
* are used in conjunction with
* XOFF2 for definition of
- * special character */
+ * special character
+ */
#define MAX310X_FLOWCTRL_SWFLOWEN_BIT (1 << 3) /* Auto SW flow ctrl enable */
#define MAX310X_FLOWCTRL_SWFLOW0_BIT (1 << 4) /* SWFLOW bit 0 */
#define MAX310X_FLOWCTRL_SWFLOW1_BIT (1 << 5) /* SWFLOW bit 1
@@ -258,7 +259,7 @@ struct max310x_devtype {
struct {
unsigned short min;
unsigned short max;
- } slave_addr;
+ } slave_addr; /* Relevant only in I2C mode. */
int nr;
char name[9];
u8 mode1;
@@ -639,7 +640,8 @@ static void max310x_handle_rx(struct uart_port *port, unsigned int rxlen)
u8 ch, flag;
if (port->read_status_mask == MAX310X_LSR_RXOVR_BIT) {
- /* We are just reading, happily ignoring any error conditions.
+ /*
+ * We are just reading, happily ignoring any error conditions.
* Break condition, parity checking, framing errors -- they
* are all ignored. That means that we can do a batch-read.
*
@@ -648,7 +650,7 @@ static void max310x_handle_rx(struct uart_port *port, unsigned int rxlen)
* that the LSR register applies to the "current" character.
* That's also the reason why we cannot do batched reads when
* asked to check the individual statuses.
- * */
+ */
sts = max310x_port_read(port, MAX310X_LSR_IRQSTS_REG);
max310x_batch_read(port, one->rx_buf, rxlen);
@@ -752,8 +754,10 @@ static void max310x_handle_tx(struct uart_port *port)
to_send = (to_send > txlen) ? txlen : to_send;
if (until_end < to_send) {
- /* It's a circ buffer -- wrap around.
- * We could do that in one SPI transaction, but meh. */
+ /*
+ * It's a circ buffer -- wrap around.
+ * We could do that in one SPI transaction, but meh.
+ */
max310x_batch_write(port, xmit->buf + xmit->tail, until_end);
max310x_batch_write(port, xmit->buf, to_send - until_end);
} else {
@@ -842,7 +846,8 @@ static unsigned int max310x_tx_empty(struct uart_port *port)
static unsigned int max310x_get_mctrl(struct uart_port *port)
{
- /* DCD and DSR are not wired and CTS/RTS is handled automatically
+ /*
+ * DCD and DSR are not wired and CTS/RTS is handled automatically
* so just indicate DSR and CAR asserted
*/
return TIOCM_DSR | TIOCM_CAR;
@@ -934,7 +939,8 @@ static void max310x_set_termios(struct uart_port *port,
max310x_port_write(port, MAX310X_XON1_REG, termios->c_cc[VSTART]);
max310x_port_write(port, MAX310X_XOFF1_REG, termios->c_cc[VSTOP]);
- /* Disable transmitter before enabling AutoCTS or auto transmitter
+ /*
+ * Disable transmitter before enabling AutoCTS or auto transmitter
* flow control
*/
if (termios->c_cflag & CRTSCTS || termios->c_iflag & IXOFF) {
@@ -961,7 +967,8 @@ static void max310x_set_termios(struct uart_port *port,
}
max310x_port_write(port, MAX310X_FLOWCTRL_REG, flow);
- /* Enable transmitter after disabling AutoCTS and auto transmitter
+ /*
+ * Enable transmitter after disabling AutoCTS and auto transmitter
* flow control
*/
if (!(termios->c_cflag & CRTSCTS) && !(termios->c_iflag & IXOFF)) {
@@ -1052,8 +1059,11 @@ static int max310x_startup(struct uart_port *port)
MAX310X_MODE2_ECHOSUPR_BIT);
}
- /* Configure flow control levels */
- /* Flow control halt level 96, resume level 48 */
+ /*
+ * Configure flow control levels:
+ * resume: 48
+ * halt: 96
+ */
max310x_port_write(port, MAX310X_FLOWLVL_REG,
MAX310X_FLOWLVL_RES(48) | MAX310X_FLOWLVL_HALT(96));
@@ -1561,10 +1571,10 @@ static unsigned short max310x_i2c_slave_addr(unsigned short addr,
* For MAX14830 and MAX3109, the slave address depends on what the
* A0 and A1 pins are tied to.
* See Table I2C Address Map of the datasheet.
- * Based on that table, the following formulas were determined.
- * UART1 - UART0 = 0x10
- * UART2 - UART1 = 0x20 + 0x10
- * UART3 - UART2 = 0x10
+ * Based on that table, the following formulas were determined:
+ * UART1 - UART0 = 0x10
+ * UART2 - UART1 = 0x20 + 0x10
+ * UART3 - UART2 = 0x10
*/
addr -= nr * 0x10;
--
GitLab
From 248bd076a70ccd6e30f766350b8844060366a7da Mon Sep 17 00:00:00 2001
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Thu, 18 Jan 2024 10:22:13 -0500
Subject: [PATCH 0248/2686] serial: max310x: fix indentation
Fix indentation and add line after do/while() block.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-18-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/max310x.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 37007b25fbee2..0065e17572be6 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -802,6 +802,7 @@ static irqreturn_t max310x_port_irq(struct max310x_port *s, int portno)
if (ists & MAX310X_IRQ_TXEMPTY_BIT)
max310x_start_tx(port);
} while (1);
+
return res;
}
@@ -1598,7 +1599,7 @@ static int max310x_i2c_probe(struct i2c_client *client)
return dev_err_probe(&client->dev, -ENODEV, "Failed to match device\n");
if (client->addr < devtype->slave_addr.min ||
- client->addr > devtype->slave_addr.max)
+ client->addr > devtype->slave_addr.max)
return dev_err_probe(&client->dev, -EINVAL,
"Slave addr 0x%x outside of range [0x%x, 0x%x]\n",
client->addr, devtype->slave_addr.min,
--
GitLab
From 314c2b399288f0058a8c5b6683292cbde5f1531b Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:08 +0000
Subject: [PATCH 0249/2686] tty: serial: samsung: fix tx_empty() to return
TIOCSER_TEMT
The core expects for tx_empty() either TIOCSER_TEMT when the tx is
empty or 0 otherwise. s3c24xx_serial_txempty_nofifo() might return
0x4, and at least uart_get_lsr_info() tries to clear exactly
TIOCSER_TEMT (BIT(1)). Fix tx_empty() to return TIOCSER_TEMT.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-2-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 71d17d804fdab..6fdb32b833466 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -987,11 +987,10 @@ static unsigned int s3c24xx_serial_tx_empty(struct uart_port *port)
if ((ufstat & info->tx_fifomask) != 0 ||
(ufstat & info->tx_fifofull))
return 0;
-
- return 1;
+ return TIOCSER_TEMT;
}
- return s3c24xx_serial_txempty_nofifo(port);
+ return s3c24xx_serial_txempty_nofifo(port) ? TIOCSER_TEMT : 0;
}
/* no modem control lines */
--
GitLab
From 1d3f02abd551c69c6a82b9f22430b497b0bf7c55 Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:09 +0000
Subject: [PATCH 0250/2686] dt-bindings: serial: samsung: do not allow
reg-io-width for gs101
All gs101 serial ports are restricted to 32-bit register accesses.
This requirement will be inferred from the compatible. Do not allow
the reg-io-width property for the google,gs101-uart compatible.
Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-3-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/serial/samsung_uart.yaml | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
index 133259ed3a34c..0f0131026911c 100644
--- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml
+++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
@@ -143,6 +143,8 @@ allOf:
then:
required:
- samsung,uart-fifosize
+ properties:
+ reg-io-width: false
unevaluatedProperties: false
--
GitLab
From 4f6f9a3f8fc70c2497b30f190702b8321aae16fe Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:10 +0000
Subject: [PATCH 0251/2686] tty: serial: samsung: prepare for different IO
types
GS101's Connectivity Peripheral blocks (peric0/1 blocks) which
include the I3C and USI (I2C, SPI, UART) only allow 32-bit
register accesses. If using 8-bit register accesses, a SError
Interrupt is raised causing the system unusable.
Instead of specifying the reg-io-width = 4 everywhere, for each node,
the requirement should be deduced from the compatible.
Prepare the samsung tty driver to allow IO types different than
UPIO_MEM. ``struct uart_port::iotype`` is an unsigned char where all
its 8 bits are exposed to uapi. We can't make NULL checks on it to
verify if it's set, thus always set it from the driver's data.
Use u8 for the ``iotype`` member of ``struct s3c24xx_uart_info`` to
emphasize that the iotype is an 8 bit mask.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-4-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 6fdb32b833466..9d3767021f9c8 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -84,6 +84,7 @@ struct s3c24xx_uart_info {
unsigned long clksel_mask;
unsigned long clksel_shift;
unsigned long ucon_mask;
+ u8 iotype;
/* uart port features */
@@ -1741,7 +1742,6 @@ static void s3c24xx_serial_init_port_default(int index) {
spin_lock_init(&port->lock);
- port->iotype = UPIO_MEM;
port->uartclk = 0;
port->fifosize = 16;
port->flags = UPF_BOOT_AUTOCONF;
@@ -1988,6 +1988,8 @@ static int s3c24xx_serial_probe(struct platform_device *pdev)
break;
}
+ ourport->port.iotype = ourport->info->iotype;
+
if (np) {
of_property_read_u32(np,
"samsung,uart-fifosize", &ourport->port.fifosize);
@@ -2398,6 +2400,7 @@ static const struct s3c24xx_serial_drv_data s3c6400_serial_drv_data = {
.name = "Samsung S3C6400 UART",
.type = TYPE_S3C6400,
.port_type = PORT_S3C6400,
+ .iotype = UPIO_MEM,
.fifosize = 64,
.has_divslot = 1,
.rx_fifomask = S3C2440_UFSTAT_RXMASK,
@@ -2427,6 +2430,7 @@ static const struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = {
.name = "Samsung S5PV210 UART",
.type = TYPE_S3C6400,
.port_type = PORT_S3C6400,
+ .iotype = UPIO_MEM,
.has_divslot = 1,
.rx_fifomask = S5PV210_UFSTAT_RXMASK,
.rx_fifoshift = S5PV210_UFSTAT_RXSHIFT,
@@ -2456,6 +2460,7 @@ static const struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = {
.name = "Samsung Exynos UART", \
.type = TYPE_S3C6400, \
.port_type = PORT_S3C6400, \
+ .iotype = UPIO_MEM, \
.has_divslot = 1, \
.rx_fifomask = S5PV210_UFSTAT_RXMASK, \
.rx_fifoshift = S5PV210_UFSTAT_RXSHIFT, \
@@ -2516,6 +2521,7 @@ static const struct s3c24xx_serial_drv_data s5l_serial_drv_data = {
.name = "Apple S5L UART",
.type = TYPE_APPLE_S5L,
.port_type = PORT_8250,
+ .iotype = UPIO_MEM,
.fifosize = 16,
.rx_fifomask = S3C2410_UFSTAT_RXMASK,
.rx_fifoshift = S3C2410_UFSTAT_RXSHIFT,
@@ -2545,6 +2551,7 @@ static const struct s3c24xx_serial_drv_data artpec8_serial_drv_data = {
.name = "Axis ARTPEC-8 UART",
.type = TYPE_S3C6400,
.port_type = PORT_S3C6400,
+ .iotype = UPIO_MEM,
.fifosize = 64,
.has_divslot = 1,
.rx_fifomask = S5PV210_UFSTAT_RXMASK,
--
GitLab
From 0b87a9fd670abe939f6ffae7d4ab4af2c1ca6996 Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:11 +0000
Subject: [PATCH 0252/2686] tty: serial: samsung: set UPIO_MEM32 iotype for
gs101
GS101's Connectivity Peripheral blocks (peric0/1 blocks) which
include the I3C and USI (I2C, SPI, UART) only allow 32-bit
register accesses.
Instead of specifying the reg-io-width = 4 everywhere, for each node,
the requirement should be deduced from the compatible.
Infer UPIO_MEM32 iotype from the "google,gs101-uart" compatible.
Update the uart info name to be GS101 specific in order to
differentiate from the other exynos platforms. All the other settings
are not changed.
exynos_fifoszdt_serial_drv_data was replaced by gs101_serial_drv_data
because the iotype restriction is gs101 specific and there was no other
user of exynos_fifoszdt_serial_drv_data.
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-5-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 38 +++++++++++++++++++++++---------
1 file changed, 28 insertions(+), 10 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 9d3767021f9c8..7a1b1ca82511c 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -2494,25 +2494,43 @@ static const struct s3c24xx_serial_drv_data exynos850_serial_drv_data = {
.fifosize = { 256, 64, 64, 64 },
};
-/*
- * Common drv_data struct for platforms that specify samsung,uart-fifosize in
- * device tree.
- */
-static const struct s3c24xx_serial_drv_data exynos_fifoszdt_serial_drv_data = {
- EXYNOS_COMMON_SERIAL_DRV_DATA(),
+static const struct s3c24xx_serial_drv_data gs101_serial_drv_data = {
+ .info = {
+ .name = "Google GS101 UART",
+ .type = TYPE_S3C6400,
+ .port_type = PORT_S3C6400,
+ .iotype = UPIO_MEM32,
+ .has_divslot = 1,
+ .rx_fifomask = S5PV210_UFSTAT_RXMASK,
+ .rx_fifoshift = S5PV210_UFSTAT_RXSHIFT,
+ .rx_fifofull = S5PV210_UFSTAT_RXFULL,
+ .tx_fifofull = S5PV210_UFSTAT_TXFULL,
+ .tx_fifomask = S5PV210_UFSTAT_TXMASK,
+ .tx_fifoshift = S5PV210_UFSTAT_TXSHIFT,
+ .def_clk_sel = S3C2410_UCON_CLKSEL0,
+ .num_clks = 1,
+ .clksel_mask = 0,
+ .clksel_shift = 0,
+ },
+ .def_cfg = {
+ .ucon = S5PV210_UCON_DEFAULT,
+ .ufcon = S5PV210_UFCON_DEFAULT,
+ .has_fracval = 1,
+ },
+ /* samsung,uart-fifosize must be specified in the device tree. */
.fifosize = { 0 },
};
#define EXYNOS4210_SERIAL_DRV_DATA (&exynos4210_serial_drv_data)
#define EXYNOS5433_SERIAL_DRV_DATA (&exynos5433_serial_drv_data)
#define EXYNOS850_SERIAL_DRV_DATA (&exynos850_serial_drv_data)
-#define EXYNOS_FIFOSZDT_DRV_DATA (&exynos_fifoszdt_serial_drv_data)
+#define GS101_SERIAL_DRV_DATA (&gs101_serial_drv_data)
#else
#define EXYNOS4210_SERIAL_DRV_DATA NULL
#define EXYNOS5433_SERIAL_DRV_DATA NULL
#define EXYNOS850_SERIAL_DRV_DATA NULL
-#define EXYNOS_FIFOSZDT_DRV_DATA NULL
+#define GS101_SERIAL_DRV_DATA NULL
#endif
#ifdef CONFIG_ARCH_APPLE
@@ -2600,7 +2618,7 @@ static const struct platform_device_id s3c24xx_serial_driver_ids[] = {
.driver_data = (kernel_ulong_t)ARTPEC8_SERIAL_DRV_DATA,
}, {
.name = "gs101-uart",
- .driver_data = (kernel_ulong_t)EXYNOS_FIFOSZDT_DRV_DATA,
+ .driver_data = (kernel_ulong_t)GS101_SERIAL_DRV_DATA,
},
{ },
};
@@ -2623,7 +2641,7 @@ static const struct of_device_id s3c24xx_uart_dt_match[] = {
{ .compatible = "axis,artpec8-uart",
.data = ARTPEC8_SERIAL_DRV_DATA },
{ .compatible = "google,gs101-uart",
- .data = EXYNOS_FIFOSZDT_DRV_DATA },
+ .data = GS101_SERIAL_DRV_DATA },
{},
};
MODULE_DEVICE_TABLE(of, s3c24xx_uart_dt_match);
--
GitLab
From 5887cab232f7abf4ff2e7701dec38b8f0feb4cff Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:12 +0000
Subject: [PATCH 0253/2686] tty: serial: samsung: add gs101 earlycon support
The entire bus (PERIC) on which the GS101 serial resides only allows
32-bit register accesses. The reg-io-width dt property is disallowed
for the "google,gs101-uart" compatible and instead the iotype is
inferred from the compatible. Always set UPIO_MEM32 iotype for the
gs101 earlycon.
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-6-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 7a1b1ca82511c..80b8fcf9e0259 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -2809,6 +2809,17 @@ OF_EARLYCON_DECLARE(exynos4210, "samsung,exynos4210-uart",
OF_EARLYCON_DECLARE(artpec8, "axis,artpec8-uart",
s5pv210_early_console_setup);
+static int __init gs101_early_console_setup(struct earlycon_device *device,
+ const char *opt)
+{
+ /* gs101 always expects MMIO32 register accesses. */
+ device->port.iotype = UPIO_MEM32;
+
+ return s5pv210_early_console_setup(device, opt);
+}
+
+OF_EARLYCON_DECLARE(gs101, "google,gs101-uart", gs101_early_console_setup);
+
/* Apple S5L */
static int __init apple_s5l_early_console_setup(struct earlycon_device *device,
const char *opt)
--
GitLab
From 1f42ff30ba52f57fcd1c8fdeb65a5e8e6f3f5ada Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:13 +0000
Subject: [PATCH 0254/2686] tty: serial: samsung: sort headers alphabetically
Sorting headers alphabetically helps locating duplicates,
and makes it easier to figure out where to insert new headers.
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-7-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 27 ++++++++++++++-------------
1 file changed, 14 insertions(+), 13 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 80b8fcf9e0259..bd9064d4efe7b 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -21,26 +21,27 @@
* BJD, 04-Nov-2004
*/
-#include <linux/dmaengine.h>
+#include <linux/console.h>
+#include <linux/clk.h>
+#include <linux/cpufreq.h>
+#include <linux/delay.h>
#include <linux/dma-mapping.h>
-#include <linux/slab.h>
+#include <linux/dmaengine.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
#include <linux/math.h>
#include <linux/module.h>
-#include <linux/ioport.h>
-#include <linux/io.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
-#include <linux/init.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/serial_s3c.h>
+#include <linux/slab.h>
#include <linux/sysrq.h>
-#include <linux/console.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
-#include <linux/serial_core.h>
-#include <linux/serial.h>
-#include <linux/serial_s3c.h>
-#include <linux/delay.h>
-#include <linux/clk.h>
-#include <linux/cpufreq.h>
-#include <linux/of.h>
+
#include <asm/irq.h>
/* UART name and device definitions */
--
GitLab
From e88538e3c5e135ea9e3014f14962f0ab911c98d6 Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:14 +0000
Subject: [PATCH 0255/2686] tty: serial: samsung: explicitly include
<linux/types.h>
samsung_tty.c uses u32 and relies on <linux/console.h> to include
<linux/types.h>. Explicitly include <linux/types.h>. We shall aim to
have the driver self contained.
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-8-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index bd9064d4efe7b..b9b91ff6a1d70 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -41,6 +41,7 @@
#include <linux/sysrq.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
+#include <linux/types.h>
#include <asm/irq.h>
--
GitLab
From 032a725c16add79332d774348d7ad7d0d4b86479 Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:15 +0000
Subject: [PATCH 0256/2686] tty: serial: samsung: use u32 for register
interactions
All registers of the IP have 32 bits. Use u32 variables when reading
or writing from/to the registers. The purpose of those variables becomes
clearer.
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-9-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 79 ++++++++++++++++----------------
1 file changed, 39 insertions(+), 40 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index b9b91ff6a1d70..8b396c950933f 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -199,7 +199,7 @@ static void wr_reg(const struct uart_port *port, u32 reg, u32 val)
/* Byte-order aware bit setting/clearing functions. */
static inline void s3c24xx_set_bit(const struct uart_port *port, int idx,
- unsigned int reg)
+ u32 reg)
{
unsigned long flags;
u32 val;
@@ -212,7 +212,7 @@ static inline void s3c24xx_set_bit(const struct uart_port *port, int idx,
}
static inline void s3c24xx_clear_bit(const struct uart_port *port, int idx,
- unsigned int reg)
+ u32 reg)
{
unsigned long flags;
u32 val;
@@ -245,8 +245,8 @@ static void s3c24xx_serial_rx_enable(struct uart_port *port)
{
struct s3c24xx_uart_port *ourport = to_ourport(port);
unsigned long flags;
- unsigned int ucon, ufcon;
int count = 10000;
+ u32 ucon, ufcon;
uart_port_lock_irqsave(port, &flags);
@@ -269,7 +269,7 @@ static void s3c24xx_serial_rx_disable(struct uart_port *port)
{
struct s3c24xx_uart_port *ourport = to_ourport(port);
unsigned long flags;
- unsigned int ucon;
+ u32 ucon;
uart_port_lock_irqsave(port, &flags);
@@ -591,7 +591,7 @@ static inline const struct s3c2410_uartcfg
}
static int s3c24xx_serial_rx_fifocnt(const struct s3c24xx_uart_port *ourport,
- unsigned long ufstat)
+ u32 ufstat)
{
const struct s3c24xx_uart_info *info = ourport->info;
@@ -663,7 +663,7 @@ static void s3c64xx_start_rx_dma(struct s3c24xx_uart_port *ourport)
static void enable_rx_dma(struct s3c24xx_uart_port *ourport)
{
struct uart_port *port = &ourport->port;
- unsigned int ucon;
+ u32 ucon;
/* set Rx mode to DMA mode */
ucon = rd_regl(port, S3C2410_UCON);
@@ -686,7 +686,7 @@ static void enable_rx_dma(struct s3c24xx_uart_port *ourport)
static void enable_rx_pio(struct s3c24xx_uart_port *ourport)
{
struct uart_port *port = &ourport->port;
- unsigned int ucon;
+ u32 ucon;
/* set Rx mode to DMA mode */
ucon = rd_regl(port, S3C2410_UCON);
@@ -711,13 +711,14 @@ static void s3c24xx_serial_rx_drain_fifo(struct s3c24xx_uart_port *ourport);
static irqreturn_t s3c24xx_serial_rx_chars_dma(void *dev_id)
{
- unsigned int utrstat, received;
struct s3c24xx_uart_port *ourport = dev_id;
struct uart_port *port = &ourport->port;
struct s3c24xx_uart_dma *dma = ourport->dma;
struct tty_struct *tty = tty_port_tty_get(&ourport->port.state->port);
struct tty_port *t = &port->state->port;
struct dma_tx_state state;
+ unsigned int received;
+ u32 utrstat;
utrstat = rd_regl(port, S3C2410_UTRSTAT);
rd_regl(port, S3C2410_UFSTAT);
@@ -759,9 +760,9 @@ static irqreturn_t s3c24xx_serial_rx_chars_dma(void *dev_id)
static void s3c24xx_serial_rx_drain_fifo(struct s3c24xx_uart_port *ourport)
{
struct uart_port *port = &ourport->port;
- unsigned int ufcon, ufstat, uerstat;
unsigned int fifocnt = 0;
int max_count = port->fifosize;
+ u32 ufcon, ufstat, uerstat;
u8 ch, flag;
while (max_count-- > 0) {
@@ -945,7 +946,7 @@ static irqreturn_t s3c64xx_serial_handle_irq(int irq, void *id)
{
const struct s3c24xx_uart_port *ourport = id;
const struct uart_port *port = &ourport->port;
- unsigned int pend = rd_regl(port, S3C64XX_UINTP);
+ u32 pend = rd_regl(port, S3C64XX_UINTP);
irqreturn_t ret = IRQ_HANDLED;
if (pend & S3C64XX_UINTM_RXD_MSK) {
@@ -964,7 +965,7 @@ static irqreturn_t apple_serial_handle_irq(int irq, void *id)
{
const struct s3c24xx_uart_port *ourport = id;
const struct uart_port *port = &ourport->port;
- unsigned int pend = rd_regl(port, S3C2410_UTRSTAT);
+ u32 pend = rd_regl(port, S3C2410_UTRSTAT);
irqreturn_t ret = IRQ_NONE;
if (pend & (APPLE_S5L_UTRSTAT_RXTHRESH | APPLE_S5L_UTRSTAT_RXTO)) {
@@ -983,8 +984,8 @@ static irqreturn_t apple_serial_handle_irq(int irq, void *id)
static unsigned int s3c24xx_serial_tx_empty(struct uart_port *port)
{
const struct s3c24xx_uart_info *info = s3c24xx_port_to_info(port);
- unsigned long ufstat = rd_regl(port, S3C2410_UFSTAT);
- unsigned long ufcon = rd_regl(port, S3C2410_UFCON);
+ u32 ufstat = rd_regl(port, S3C2410_UFSTAT);
+ u32 ufcon = rd_regl(port, S3C2410_UFCON);
if (ufcon & S3C2410_UFCON_FIFOMODE) {
if ((ufstat & info->tx_fifomask) != 0 ||
@@ -999,7 +1000,7 @@ static unsigned int s3c24xx_serial_tx_empty(struct uart_port *port)
/* no modem control lines */
static unsigned int s3c24xx_serial_get_mctrl(struct uart_port *port)
{
- unsigned int umstat = rd_reg(port, S3C2410_UMSTAT);
+ u32 umstat = rd_reg(port, S3C2410_UMSTAT);
if (umstat & S3C2410_UMSTAT_CTS)
return TIOCM_CAR | TIOCM_DSR | TIOCM_CTS;
@@ -1009,8 +1010,8 @@ static unsigned int s3c24xx_serial_get_mctrl(struct uart_port *port)
static void s3c24xx_serial_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
- unsigned int umcon = rd_regl(port, S3C2410_UMCON);
- unsigned int ucon = rd_regl(port, S3C2410_UCON);
+ u32 umcon = rd_regl(port, S3C2410_UMCON);
+ u32 ucon = rd_regl(port, S3C2410_UCON);
if (mctrl & TIOCM_RTS)
umcon |= S3C2410_UMCOM_RTS_LOW;
@@ -1030,7 +1031,7 @@ static void s3c24xx_serial_set_mctrl(struct uart_port *port, unsigned int mctrl)
static void s3c24xx_serial_break_ctl(struct uart_port *port, int break_state)
{
unsigned long flags;
- unsigned int ucon;
+ u32 ucon;
uart_port_lock_irqsave(port, &flags);
@@ -1188,7 +1189,7 @@ static void apple_s5l_serial_shutdown(struct uart_port *port)
{
struct s3c24xx_uart_port *ourport = to_ourport(port);
- unsigned int ucon;
+ u32 ucon;
ucon = rd_regl(port, S3C2410_UCON);
ucon &= ~(APPLE_S5L_UCON_TXTHRESH_ENA_MSK |
@@ -1214,7 +1215,7 @@ static int s3c64xx_serial_startup(struct uart_port *port)
{
struct s3c24xx_uart_port *ourport = to_ourport(port);
unsigned long flags;
- unsigned int ufcon;
+ u32 ufcon;
int ret;
wr_regl(port, S3C64XX_UINTM, 0xf);
@@ -1259,7 +1260,7 @@ static int apple_s5l_serial_startup(struct uart_port *port)
{
struct s3c24xx_uart_port *ourport = to_ourport(port);
unsigned long flags;
- unsigned int ufcon;
+ u32 ufcon;
int ret;
wr_regl(port, S3C2410_UTRSTAT, APPLE_S5L_UTRSTAT_ALL_FLAGS);
@@ -1344,7 +1345,7 @@ static void s3c24xx_serial_pm(struct uart_port *port, unsigned int level,
static inline int s3c24xx_serial_getsource(struct uart_port *port)
{
const struct s3c24xx_uart_info *info = s3c24xx_port_to_info(port);
- unsigned int ucon;
+ u32 ucon;
if (info->num_clks == 1)
return 0;
@@ -1358,7 +1359,7 @@ static void s3c24xx_serial_setsource(struct uart_port *port,
unsigned int clk_sel)
{
const struct s3c24xx_uart_info *info = s3c24xx_port_to_info(port);
- unsigned int ucon;
+ u32 ucon;
if (info->num_clks == 1)
return;
@@ -1475,9 +1476,8 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
struct clk *clk = ERR_PTR(-EINVAL);
unsigned long flags;
unsigned int baud, quot, clk_sel = 0;
- unsigned int ulcon;
- unsigned int umcon;
unsigned int udivslot = 0;
+ u32 ulcon, umcon;
/*
* We don't support modem control lines.
@@ -1759,7 +1759,7 @@ static void s3c24xx_serial_resetport(struct uart_port *port,
const struct s3c2410_uartcfg *cfg)
{
const struct s3c24xx_uart_info *info = s3c24xx_port_to_info(port);
- unsigned long ucon = rd_regl(port, S3C2410_UCON);
+ u32 ucon = rd_regl(port, S3C2410_UCON);
ucon &= (info->clksel_mask | info->ucon_mask);
wr_regl(port, S3C2410_UCON, ucon | cfg->ucon);
@@ -1905,7 +1905,7 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
wr_regl(port, S3C64XX_UINTSP, 0xf);
break;
case TYPE_APPLE_S5L: {
- unsigned int ucon;
+ u32 ucon;
ucon = rd_regl(port, S3C2410_UCON);
ucon &= ~(APPLE_S5L_UCON_TXTHRESH_ENA_MSK |
@@ -2109,7 +2109,7 @@ static int s3c24xx_serial_resume_noirq(struct device *dev)
/* restore IRQ mask */
switch (ourport->info->type) {
case TYPE_S3C6400: {
- unsigned int uintm = 0xf;
+ u32 uintm = 0xf;
if (ourport->tx_enabled)
uintm &= ~S3C64XX_UINTM_TXD_MSK;
@@ -2125,7 +2125,7 @@ static int s3c24xx_serial_resume_noirq(struct device *dev)
break;
}
case TYPE_APPLE_S5L: {
- unsigned int ucon;
+ u32 ucon;
int ret;
ret = clk_prepare_enable(ourport->clk);
@@ -2187,10 +2187,10 @@ static const struct dev_pm_ops s3c24xx_serial_pm_ops = {
static struct uart_port *cons_uart;
static int
-s3c24xx_serial_console_txrdy(struct uart_port *port, unsigned int ufcon)
+s3c24xx_serial_console_txrdy(struct uart_port *port, u32 ufcon)
{
const struct s3c24xx_uart_info *info = s3c24xx_port_to_info(port);
- unsigned long ufstat, utrstat;
+ u32 ufstat, utrstat;
if (ufcon & S3C2410_UFCON_FIFOMODE) {
/* fifo mode - check amount of data in fifo registers... */
@@ -2206,7 +2206,7 @@ s3c24xx_serial_console_txrdy(struct uart_port *port, unsigned int ufcon)
}
static bool
-s3c24xx_port_configured(unsigned int ucon)
+s3c24xx_port_configured(u32 ucon)
{
/* consider the serial port configured if the tx/rx mode set */
return (ucon & 0xf) != 0;
@@ -2221,7 +2221,7 @@ s3c24xx_port_configured(unsigned int ucon)
static int s3c24xx_serial_get_poll_char(struct uart_port *port)
{
const struct s3c24xx_uart_port *ourport = to_ourport(port);
- unsigned int ufstat;
+ u32 ufstat;
ufstat = rd_regl(port, S3C2410_UFSTAT);
if (s3c24xx_serial_rx_fifocnt(ourport, ufstat) == 0)
@@ -2233,8 +2233,8 @@ static int s3c24xx_serial_get_poll_char(struct uart_port *port)
static void s3c24xx_serial_put_poll_char(struct uart_port *port,
unsigned char c)
{
- unsigned int ufcon = rd_regl(port, S3C2410_UFCON);
- unsigned int ucon = rd_regl(port, S3C2410_UCON);
+ u32 ufcon = rd_regl(port, S3C2410_UFCON);
+ u32 ucon = rd_regl(port, S3C2410_UCON);
/* not possible to xmit on unconfigured port */
if (!s3c24xx_port_configured(ucon))
@@ -2250,7 +2250,7 @@ static void s3c24xx_serial_put_poll_char(struct uart_port *port,
static void
s3c24xx_serial_console_putchar(struct uart_port *port, unsigned char ch)
{
- unsigned int ufcon = rd_regl(port, S3C2410_UFCON);
+ u32 ufcon = rd_regl(port, S3C2410_UFCON);
while (!s3c24xx_serial_console_txrdy(port, ufcon))
cpu_relax();
@@ -2261,7 +2261,7 @@ static void
s3c24xx_serial_console_write(struct console *co, const char *s,
unsigned int count)
{
- unsigned int ucon = rd_regl(cons_uart, S3C2410_UCON);
+ u32 ucon = rd_regl(cons_uart, S3C2410_UCON);
unsigned long flags;
bool locked = true;
@@ -2288,11 +2288,9 @@ s3c24xx_serial_get_options(struct uart_port *port, int *baud,
int *parity, int *bits)
{
struct clk *clk;
- unsigned int ulcon;
- unsigned int ucon;
- unsigned int ubrdiv;
unsigned long rate;
unsigned int clk_sel;
+ u32 ulcon, ucon, ubrdiv;
char clk_name[MAX_CLK_NAME_LENGTH];
ulcon = rd_regl(port, S3C2410_ULCON);
@@ -2742,7 +2740,8 @@ static int samsung_early_read(struct console *con, char *s, unsigned int n)
{
struct earlycon_device *dev = con->data;
const struct samsung_early_console_data *data = dev->port.private_data;
- int ch, ufstat, num_read = 0;
+ int num_read = 0;
+ u32 ch, ufstat;
while (num_read < n) {
ufstat = rd_regl(&dev->port, S3C2410_UFSTAT);
--
GitLab
From b1617c7888476e69e5b03b89eedef2bd2c60901e Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:16 +0000
Subject: [PATCH 0257/2686] tty: serial: samsung: remove braces on single
statement block
Braces {} are not necessary for single statement blocks.
Remove braces on single statement block.
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-10-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 8b396c950933f..303b67498c65e 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -2061,9 +2061,8 @@ static void s3c24xx_serial_remove(struct platform_device *dev)
{
struct uart_port *port = s3c24xx_dev_to_port(&dev->dev);
- if (port) {
+ if (port)
uart_remove_one_port(&s3c24xx_uart_drv, port);
- }
uart_unregister_driver(&s3c24xx_uart_drv);
}
--
GitLab
From 048dc68709a0c7ed80f327d4b7ff5af7461107e3 Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:17 +0000
Subject: [PATCH 0258/2686] tty: serial: samsung: move open brace '{' on the
next line
Move open brace '{' following function definition on the next line.
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-11-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 303b67498c65e..b6d34c9f46eac 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -1739,7 +1739,8 @@ static struct uart_driver s3c24xx_uart_drv = {
static struct s3c24xx_uart_port s3c24xx_serial_ports[UART_NR];
-static void s3c24xx_serial_init_port_default(int index) {
+static void s3c24xx_serial_init_port_default(int index)
+{
struct uart_port *port = &s3c24xx_serial_ports[index].port;
spin_lock_init(&port->lock);
--
GitLab
From 16db7adb77643c735fc521aecddd1e51ae4534b5 Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:18 +0000
Subject: [PATCH 0259/2686] tty: serial: samsung: drop superfluous comment
The comment brings no benefit as we can already see from the method's
name, ``s3c24xx_serial_pm``, that it deals with power management.
Drop the superfluous comment.
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-12-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index b6d34c9f46eac..4bb75b1eceef3 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -1295,8 +1295,6 @@ static int apple_s5l_serial_startup(struct uart_port *port)
return ret;
}
-/* power power management control */
-
static void s3c24xx_serial_pm(struct uart_port *port, unsigned int level,
unsigned int old)
{
--
GitLab
From b3296e7681d80c95432ad04263ac24ad61664b9a Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:19 +0000
Subject: [PATCH 0260/2686] tty: serial: samsung: make max_count unsigned int
``max_count`` negative values are not used. Since ``port->fifosize``
is an unsigned int, make ``max_count`` the same.
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-13-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 4bb75b1eceef3..f8a8b459a86b6 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -760,8 +760,8 @@ static irqreturn_t s3c24xx_serial_rx_chars_dma(void *dev_id)
static void s3c24xx_serial_rx_drain_fifo(struct s3c24xx_uart_port *ourport)
{
struct uart_port *port = &ourport->port;
+ unsigned int max_count = port->fifosize;
unsigned int fifocnt = 0;
- int max_count = port->fifosize;
u32 ufcon, ufstat, uerstat;
u8 ch, flag;
--
GitLab
From ece5cc2ac1e665d936d3c795bab55aeee743bca6 Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:20 +0000
Subject: [PATCH 0261/2686] tty: serial: samsung: don't compare with zero an if
(bitwise expression)
The bitwise AND with the fifo mask is used to check if the fifo is empty
or not, it doesn't care about the length, thus the comparison with zero
is implicit. Rely on the implicit comparison instead.
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-14-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index f8a8b459a86b6..333ffa3a76a3f 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -988,7 +988,7 @@ static unsigned int s3c24xx_serial_tx_empty(struct uart_port *port)
u32 ufcon = rd_regl(port, S3C2410_UFCON);
if (ufcon & S3C2410_UFCON_FIFOMODE) {
- if ((ufstat & info->tx_fifomask) != 0 ||
+ if ((ufstat & info->tx_fifomask) ||
(ufstat & info->tx_fifofull))
return 0;
return TIOCSER_TEMT;
--
GitLab
From f09e8da69bb47c5e9b0c46af641fa0b6c0b12f94 Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:21 +0000
Subject: [PATCH 0262/2686] tty: serial: samsung: return bool for
s3c24xx_serial_txempty_nofifo()
s3c24xx_serial_txempty_nofifo() returned either 0 or BIT(2), which is
counterintuitive. Make the method return bool, and return true when TX
is empty and false otherwise.
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-15-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 333ffa3a76a3f..90d697def5c72 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -236,7 +236,7 @@ static inline const char *s3c24xx_serial_portname(const struct uart_port *port)
return to_platform_device(port->dev)->name;
}
-static int s3c24xx_serial_txempty_nofifo(const struct uart_port *port)
+static bool s3c24xx_serial_txempty_nofifo(const struct uart_port *port)
{
return rd_regl(port, S3C2410_UTRSTAT) & S3C2410_UTRSTAT_TXE;
}
@@ -782,7 +782,7 @@ static void s3c24xx_serial_rx_drain_fifo(struct s3c24xx_uart_port *ourport)
ch = rd_reg(port, S3C2410_URXH);
if (port->flags & UPF_CONS_FLOW) {
- int txe = s3c24xx_serial_txempty_nofifo(port);
+ bool txe = s3c24xx_serial_txempty_nofifo(port);
if (ourport->rx_enabled) {
if (!txe) {
--
GitLab
From be96d89451040d58bbaf81f1c48c5c836cf6d520 Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:22 +0000
Subject: [PATCH 0263/2686] tty: serial: samsung: return bool for
s3c24xx_serial_console_txrdy()
s3c24xx_serial_console_txrdy() returned just 0 or 1 to indicate whether
the TX is empty or not. Change its return type to bool.
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-16-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 90d697def5c72..bdc81ab4af917 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -2184,7 +2184,7 @@ static const struct dev_pm_ops s3c24xx_serial_pm_ops = {
static struct uart_port *cons_uart;
-static int
+static bool
s3c24xx_serial_console_txrdy(struct uart_port *port, u32 ufcon)
{
const struct s3c24xx_uart_info *info = s3c24xx_port_to_info(port);
@@ -2194,13 +2194,13 @@ s3c24xx_serial_console_txrdy(struct uart_port *port, u32 ufcon)
/* fifo mode - check amount of data in fifo registers... */
ufstat = rd_regl(port, S3C2410_UFSTAT);
- return (ufstat & info->tx_fifofull) ? 0 : 1;
+ return !(ufstat & info->tx_fifofull);
}
/* in non-fifo mode, we go and use the tx buffer empty */
utrstat = rd_regl(port, S3C2410_UTRSTAT);
- return (utrstat & S3C2410_UTRSTAT_TXE) ? 1 : 0;
+ return utrstat & S3C2410_UTRSTAT_TXE;
}
static bool
--
GitLab
From 92e32ed303a6c4dc5a5ad9ec54785a6245bcd8fa Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:23 +0000
Subject: [PATCH 0264/2686] tty: serial: samsung: change return type for
s3c24xx_serial_rx_fifocnt()
Change the return type of the s3c24xx_serial_rx_fifocnt() method to
``unsigned int`` as the method only returns the fifo size and does not
handle error codes.
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-17-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index bdc81ab4af917..149f618e22ceb 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -590,8 +590,8 @@ static inline const struct s3c2410_uartcfg
return ourport->cfg;
}
-static int s3c24xx_serial_rx_fifocnt(const struct s3c24xx_uart_port *ourport,
- u32 ufstat)
+static unsigned int
+s3c24xx_serial_rx_fifocnt(const struct s3c24xx_uart_port *ourport, u32 ufstat)
{
const struct s3c24xx_uart_info *info = ourport->info;
--
GitLab
From 6e1e48b6ef2613ff4c28a34f7a57c29a4367ad87 Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:24 +0000
Subject: [PATCH 0265/2686] tty: serial: samsung: shrink the clock selection to
8 clocks
<linux/serial_s3c.h> provides a clock selection pool of maximum 4 clocks.
Update the driver to consider a pool selection of maximum 8 clocks.
u8 is large enough to allow more clocks than are supported by the driver
now, and not too big to cause spanning of ``struct s3c24xx_uart_info``
through 2 cachelines when compiled for arm64. The goal is to reduce the
memory footprint of ``struct s3c24xx_uart_info``.
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-18-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 149f618e22ceb..c429029c0207b 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -81,11 +81,11 @@ struct s3c24xx_uart_info {
unsigned long tx_fifomask;
unsigned long tx_fifoshift;
unsigned long tx_fifofull;
- unsigned int def_clk_sel;
- unsigned long num_clks;
unsigned long clksel_mask;
unsigned long clksel_shift;
unsigned long ucon_mask;
+ u8 def_clk_sel;
+ u8 num_clks;
u8 iotype;
/* uart port features */
@@ -1340,7 +1340,7 @@ static void s3c24xx_serial_pm(struct uart_port *port, unsigned int level,
#define MAX_CLK_NAME_LENGTH 15
-static inline int s3c24xx_serial_getsource(struct uart_port *port)
+static inline u8 s3c24xx_serial_getsource(struct uart_port *port)
{
const struct s3c24xx_uart_info *info = s3c24xx_port_to_info(port);
u32 ucon;
@@ -1353,8 +1353,7 @@ static inline int s3c24xx_serial_getsource(struct uart_port *port)
return ucon >> info->clksel_shift;
}
-static void s3c24xx_serial_setsource(struct uart_port *port,
- unsigned int clk_sel)
+static void s3c24xx_serial_setsource(struct uart_port *port, u8 clk_sel)
{
const struct s3c24xx_uart_info *info = s3c24xx_port_to_info(port);
u32 ucon;
@@ -1373,14 +1372,15 @@ static void s3c24xx_serial_setsource(struct uart_port *port,
static unsigned int s3c24xx_serial_getclk(struct s3c24xx_uart_port *ourport,
unsigned int req_baud, struct clk **best_clk,
- unsigned int *clk_num)
+ u8 *clk_num)
{
const struct s3c24xx_uart_info *info = ourport->info;
struct clk *clk;
unsigned long rate;
- unsigned int cnt, baud, quot, best_quot = 0;
+ unsigned int baud, quot, best_quot = 0;
char clkname[MAX_CLK_NAME_LENGTH];
int calc_deviation, deviation = (1 << 30) - 1;
+ u8 cnt;
for (cnt = 0; cnt < info->num_clks; cnt++) {
/* Keep selected clock if provided */
@@ -1473,9 +1473,10 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
struct s3c24xx_uart_port *ourport = to_ourport(port);
struct clk *clk = ERR_PTR(-EINVAL);
unsigned long flags;
- unsigned int baud, quot, clk_sel = 0;
+ unsigned int baud, quot;
unsigned int udivslot = 0;
u32 ulcon, umcon;
+ u8 clk_sel = 0;
/*
* We don't support modem control lines.
@@ -1776,10 +1777,9 @@ static int s3c24xx_serial_enable_baudclk(struct s3c24xx_uart_port *ourport)
struct device *dev = ourport->port.dev;
const struct s3c24xx_uart_info *info = ourport->info;
char clk_name[MAX_CLK_NAME_LENGTH];
- unsigned int clk_sel;
struct clk *clk;
- int clk_num;
int ret;
+ u8 clk_sel, clk_num;
clk_sel = ourport->cfg->clk_sel ? : info->def_clk_sel;
for (clk_num = 0; clk_num < info->num_clks; clk_num++) {
@@ -2287,9 +2287,9 @@ s3c24xx_serial_get_options(struct uart_port *port, int *baud,
{
struct clk *clk;
unsigned long rate;
- unsigned int clk_sel;
u32 ulcon, ucon, ubrdiv;
char clk_name[MAX_CLK_NAME_LENGTH];
+ u8 clk_sel;
ulcon = rd_regl(port, S3C2410_ULCON);
ucon = rd_regl(port, S3C2410_UCON);
--
GitLab
From 4d0cfff7df32d8d126b547f61505473a91c6e797 Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:25 +0000
Subject: [PATCH 0266/2686] tty: serial: samsung: change has_divslot type to
bool
Since the driver was introduced the port features flags never extended.
As we don't expect more flags soon that would bypass the first
cacheline of ``struct s3c24xx_uart_info``, change the type of
``has_divslot`` to bool. Bitfields operations incur performance penalty
when set or read as compared to direct types.
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-19-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index c429029c0207b..0a03df44211d2 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -89,8 +89,7 @@ struct s3c24xx_uart_info {
u8 iotype;
/* uart port features */
-
- unsigned int has_divslot:1;
+ bool has_divslot;
};
struct s3c24xx_serial_drv_data {
@@ -2400,7 +2399,7 @@ static const struct s3c24xx_serial_drv_data s3c6400_serial_drv_data = {
.port_type = PORT_S3C6400,
.iotype = UPIO_MEM,
.fifosize = 64,
- .has_divslot = 1,
+ .has_divslot = true,
.rx_fifomask = S3C2440_UFSTAT_RXMASK,
.rx_fifoshift = S3C2440_UFSTAT_RXSHIFT,
.rx_fifofull = S3C2440_UFSTAT_RXFULL,
@@ -2429,7 +2428,7 @@ static const struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = {
.type = TYPE_S3C6400,
.port_type = PORT_S3C6400,
.iotype = UPIO_MEM,
- .has_divslot = 1,
+ .has_divslot = true,
.rx_fifomask = S5PV210_UFSTAT_RXMASK,
.rx_fifoshift = S5PV210_UFSTAT_RXSHIFT,
.rx_fifofull = S5PV210_UFSTAT_RXFULL,
@@ -2459,7 +2458,7 @@ static const struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = {
.type = TYPE_S3C6400, \
.port_type = PORT_S3C6400, \
.iotype = UPIO_MEM, \
- .has_divslot = 1, \
+ .has_divslot = true, \
.rx_fifomask = S5PV210_UFSTAT_RXMASK, \
.rx_fifoshift = S5PV210_UFSTAT_RXSHIFT, \
.rx_fifofull = S5PV210_UFSTAT_RXFULL, \
@@ -2498,7 +2497,7 @@ static const struct s3c24xx_serial_drv_data gs101_serial_drv_data = {
.type = TYPE_S3C6400,
.port_type = PORT_S3C6400,
.iotype = UPIO_MEM32,
- .has_divslot = 1,
+ .has_divslot = true,
.rx_fifomask = S5PV210_UFSTAT_RXMASK,
.rx_fifoshift = S5PV210_UFSTAT_RXSHIFT,
.rx_fifofull = S5PV210_UFSTAT_RXFULL,
@@ -2569,7 +2568,7 @@ static const struct s3c24xx_serial_drv_data artpec8_serial_drv_data = {
.port_type = PORT_S3C6400,
.iotype = UPIO_MEM,
.fifosize = 64,
- .has_divslot = 1,
+ .has_divslot = true,
.rx_fifomask = S5PV210_UFSTAT_RXMASK,
.rx_fifoshift = S5PV210_UFSTAT_RXSHIFT,
.rx_fifofull = S5PV210_UFSTAT_RXFULL,
--
GitLab
From 79821c8a45807655c25d6bae2b13a3f98a5c01cd Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@linaro.org>
Date: Fri, 19 Jan 2024 10:45:26 +0000
Subject: [PATCH 0267/2686] tty: serial: samsung: shrink memory footprint of
``struct s3c24xx_uart_info``
Use u32 for the members of ``struct s3c24xx_uart_info`` that are used
for register interactions. The purpose of these members becomes clearer.
The greater benefit of this change is that it also reduces the memory
footprint of the struct, allowing 64-bit architectures to use a
single cacheline for the entire struct.
struct s3c24xx_uart_info {
const char * name; /* 0 8 */
enum s3c24xx_port_type type; /* 8 4 */
unsigned int port_type; /* 12 4 */
unsigned int fifosize; /* 16 4 */
u32 rx_fifomask; /* 20 4 */
u32 rx_fifoshift; /* 24 4 */
u32 rx_fifofull; /* 28 4 */
u32 tx_fifomask; /* 32 4 */
u32 tx_fifoshift; /* 36 4 */
u32 tx_fifofull; /* 40 4 */
u32 clksel_mask; /* 44 4 */
u32 clksel_shift; /* 48 4 */
u32 ucon_mask; /* 52 4 */
u8 def_clk_sel; /* 56 1 */
u8 num_clks; /* 57 1 */
u8 iotype; /* 58 1 */
bool has_divslot; /* 59 1 */
/* size: 64, cachelines: 1, members: 17 */
/* padding: 4 */
};
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-20-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 0a03df44211d2..fcc675603b141 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -75,15 +75,15 @@ struct s3c24xx_uart_info {
enum s3c24xx_port_type type;
unsigned int port_type;
unsigned int fifosize;
- unsigned long rx_fifomask;
- unsigned long rx_fifoshift;
- unsigned long rx_fifofull;
- unsigned long tx_fifomask;
- unsigned long tx_fifoshift;
- unsigned long tx_fifofull;
- unsigned long clksel_mask;
- unsigned long clksel_shift;
- unsigned long ucon_mask;
+ u32 rx_fifomask;
+ u32 rx_fifoshift;
+ u32 rx_fifofull;
+ u32 tx_fifomask;
+ u32 tx_fifoshift;
+ u32 tx_fifofull;
+ u32 clksel_mask;
+ u32 clksel_shift;
+ u32 ucon_mask;
u8 def_clk_sel;
u8 num_clks;
u8 iotype;
--
GitLab
From 09aec324b60f4309eeba8d2d5c897e882cce23bc Mon Sep 17 00:00:00 2001
From: Peng Fan <peng.fan@nxp.com>
Date: Sun, 21 Jan 2024 19:53:01 +0800
Subject: [PATCH 0268/2686] dt-bindings: serial: fsl-lpuart: support i.MX95
Add i.MX95 compatible string. Same as i.MX93, it is compatible
with i.MX8ULP.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240121115301.1420502-1-peng.fan@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/serial/fsl-lpuart.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
index 3a5b59f5d3e35..3f9ace89dee90 100644
--- a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
+++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
@@ -30,6 +30,7 @@ properties:
- items:
- enum:
- fsl,imx93-lpuart
+ - fsl,imx95-lpuart
- const: fsl,imx8ulp-lpuart
- const: fsl,imx7ulp-lpuart
- items:
--
GitLab
From 196f34af2bf4c87ac4299a9775503d81b446980c Mon Sep 17 00:00:00 2001
From: Konrad Dybcio <konrad.dybcio@linaro.org>
Date: Mon, 22 Jan 2024 15:27:20 +0100
Subject: [PATCH 0269/2686] tty: serial: amba-pl011: Remove QDF2xxx workarounds
This SoC family was destined for server use, featuring Qualcomm's very
interesting Kryo cores (before "Kryo" became a marketing term for Arm
cores with small modifications). It did however not leave the labs of
Qualcomm and presumably some partners, nor was it ever productized.
Remove the workarounds, as they are long obsolete.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240122-topic-qdf_cleanup_tty-v1-1-0415503184be@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/amba-pl011.c | 82 ---------------------------------
1 file changed, 82 deletions(-)
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index fccec1698a541..c4df9cbc264ba 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -152,23 +152,6 @@ static const struct vendor_data vendor_sbsa = {
.fixed_options = true,
};
-#ifdef CONFIG_ACPI_SPCR_TABLE
-static const struct vendor_data vendor_qdt_qdf2400_e44 = {
- .reg_offset = pl011_std_offsets,
- .fr_busy = UART011_FR_TXFE,
- .fr_dsr = UART01x_FR_DSR,
- .fr_cts = UART01x_FR_CTS,
- .fr_ri = UART011_FR_RI,
- .inv_fr = UART011_FR_TXFE,
- .access_32b = true,
- .oversampling = false,
- .dma_threshold = false,
- .cts_event_workaround = false,
- .always_enabled = true,
- .fixed_options = true,
-};
-#endif
-
static u16 pl011_st_offsets[REG_ARRAY_SIZE] = {
[REG_DR] = UART01x_DR,
[REG_ST_DMAWM] = ST_UART011_DMAWM,
@@ -2468,15 +2451,6 @@ static int pl011_console_match(struct console *co, char *name, int idx,
resource_size_t addr;
int i;
- /*
- * Systems affected by the Qualcomm Technologies QDF2400 E44 erratum
- * have a distinct console name, so make sure we check for that.
- * The actual implementation of the erratum occurs in the probe
- * function.
- */
- if ((strcmp(name, "qdf2400_e44") != 0) && (strcmp(name, "pl011") != 0))
- return -ENODEV;
-
if (uart_parse_earlycon(options, &iotype, &addr, &options))
return -ENODEV;
@@ -2517,22 +2491,6 @@ static struct console amba_console = {
#define AMBA_CONSOLE (&amba_console)
-static void qdf2400_e44_putc(struct uart_port *port, unsigned char c)
-{
- while (readl(port->membase + UART01x_FR) & UART01x_FR_TXFF)
- cpu_relax();
- writel(c, port->membase + UART01x_DR);
- while (!(readl(port->membase + UART01x_FR) & UART011_FR_TXFE))
- cpu_relax();
-}
-
-static void qdf2400_e44_early_write(struct console *con, const char *s, unsigned int n)
-{
- struct earlycon_device *dev = con->data;
-
- uart_console_write(&dev->port, s, n, qdf2400_e44_putc);
-}
-
static void pl011_putc(struct uart_port *port, unsigned char c)
{
while (readl(port->membase + UART01x_FR) & UART01x_FR_TXFF)
@@ -2611,29 +2569,6 @@ OF_EARLYCON_DECLARE(pl011, "arm,pl011", pl011_early_console_setup);
OF_EARLYCON_DECLARE(pl011, "arm,sbsa-uart", pl011_early_console_setup);
-/*
- * On Qualcomm Datacenter Technologies QDF2400 SOCs affected by
- * Erratum 44, traditional earlycon can be enabled by specifying
- * "earlycon=qdf2400_e44,<address>". Any options are ignored.
- *
- * Alternatively, you can just specify "earlycon", and the early console
- * will be enabled with the information from the SPCR table. In this
- * case, the SPCR code will detect the need for the E44 work-around,
- * and set the console name to "qdf2400_e44".
- */
-static int __init
-qdf2400_e44_early_console_setup(struct earlycon_device *device,
- const char *opt)
-{
- if (!device->port.membase)
- return -ENODEV;
-
- device->con->write = qdf2400_e44_early_write;
- return 0;
-}
-
-EARLYCON_DECLARE(qdf2400_e44, qdf2400_e44_early_console_setup);
-
#else
#define AMBA_CONSOLE NULL
#endif
@@ -2869,22 +2804,6 @@ static int pl011_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(pl011_dev_pm_ops, pl011_suspend, pl011_resume);
-#ifdef CONFIG_ACPI_SPCR_TABLE
-static void qpdf2400_erratum44_workaround(struct device *dev,
- struct uart_amba_port *uap)
-{
- if (!qdf2400_e44_present)
- return;
-
- dev_info(dev, "working around QDF2400 SoC erratum 44\n");
- uap->vendor = &vendor_qdt_qdf2400_e44;
-}
-#else
-static void qpdf2400_erratum44_workaround(struct device *dev,
- struct uart_amba_port *uap)
-{ /* empty */ }
-#endif
-
static int sbsa_uart_probe(struct platform_device *pdev)
{
struct uart_amba_port *uap;
@@ -2921,7 +2840,6 @@ static int sbsa_uart_probe(struct platform_device *pdev)
uap->port.irq = ret;
uap->vendor = &vendor_sbsa;
- qpdf2400_erratum44_workaround(&pdev->dev, uap);
uap->reg_offset = uap->vendor->reg_offset;
uap->fifosize = 32;
--
GitLab
From 59fdea965eee9908d904b94828c69f641f1e92fa Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Tue, 23 Jan 2024 21:09:15 +0100
Subject: [PATCH 0270/2686] serial: txx9: Add missing #include
<asm/txx9/generic.h>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
drivers/tty/serial/serial_txx9.c:933:12: error: no previous prototype for ‘early_serial_txx9_setup’ [-Werror=missing-prototypes]
933 | int __init early_serial_txx9_setup(struct uart_port *port)
| ^~~~~~~~~~~~~~~~~~~~~~~
This function is called from arch/mips/txx9/generic/setup.c, and does
have a forward declaration in arch/mips/include/asm/txx9/generic.h.
As the TXX9 serial driver does not support compile-testing, and thus can
only be built on MIPS, fix this by including the MIPS-only header file.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/818be2380061c19fe65819f7b7f10ab6e7aaa082.1706040343.git.geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/serial_txx9.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c
index e1897894a4ef5..abba397229581 100644
--- a/drivers/tty/serial/serial_txx9.c
+++ b/drivers/tty/serial/serial_txx9.c
@@ -23,9 +23,10 @@
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
-
#include <linux/io.h>
+#include <asm/txx9/generic.h>
+
#define PASS_LIMIT 256
#if !defined(CONFIG_SERIAL_TXX9_STDSERIAL)
--
GitLab
From d2a2a5602cfe7fed309c81135b5ecb62556ce89b Mon Sep 17 00:00:00 2001
From: Nghia Nguyen <nghia.nguyen.jg@renesas.com>
Date: Wed, 24 Jan 2024 12:27:15 +0100
Subject: [PATCH 0271/2686] dt-bindings: serial: renesas,hscif: Document
r8a779h0 bindings
The R-Car V4M (R8A779H0) SoC has R-Car Gen4 compatible HSCIF ports, so
document the SoC-specific bindings.
Signed-off-by: Nghia Nguyen <nghia.nguyen.jg@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/55b458e0ba9824e1246e556075bf882032c37279.1706095578.git.geert@linux-m68k.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/serial/renesas,hscif.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/serial/renesas,hscif.yaml b/Documentation/devicetree/bindings/serial/renesas,hscif.yaml
index 2046e2dc0a3d1..9480ed30915c9 100644
--- a/Documentation/devicetree/bindings/serial/renesas,hscif.yaml
+++ b/Documentation/devicetree/bindings/serial/renesas,hscif.yaml
@@ -59,6 +59,7 @@ properties:
- renesas,hscif-r8a779a0 # R-Car V3U
- renesas,hscif-r8a779f0 # R-Car S4-8
- renesas,hscif-r8a779g0 # R-Car V4H
+ - renesas,hscif-r8a779h0 # R-Car V4M
- const: renesas,rcar-gen4-hscif # R-Car Gen4
- const: renesas,hscif # generic HSCIF compatible UART
--
GitLab
From 90d051b63519b0e653432168ecee8a4c0abc24dd Mon Sep 17 00:00:00 2001
From: Rengarajan S <rengarajan.s@microchip.com>
Date: Thu, 25 Jan 2024 15:30:06 +0530
Subject: [PATCH 0272/2686] 8250: microchip: pci1xxxx: Add Burst mode
transmission support in uart driver for reading from FIFO
pci1xxxx_handle_irq reads the burst status and checks if the FIFO
is empty and is ready to accept the incoming data. The handling is
done in pci1xxxx_tx_burst where each transaction processes data in
block of DWORDs, while any remaining bytes are processed individually,
one byte at a time.
Signed-off-by: Rengarajan S <rengarajan.s@microchip.com>
Link: https://lore.kernel.org/r/20240125100006.153342-1-rengarajan.s@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_pci1xxxx.c | 106 ++++++++++++++++++++++++
1 file changed, 106 insertions(+)
diff --git a/drivers/tty/serial/8250/8250_pci1xxxx.c b/drivers/tty/serial/8250/8250_pci1xxxx.c
index 558c4c7f3104e..d53605bf908d6 100644
--- a/drivers/tty/serial/8250/8250_pci1xxxx.c
+++ b/drivers/tty/serial/8250/8250_pci1xxxx.c
@@ -67,6 +67,7 @@
#define SYSLOCK_RETRY_CNT 1000
#define UART_RX_BYTE_FIFO 0x00
+#define UART_TX_BYTE_FIFO 0x00
#define UART_FIFO_CTL 0x02
#define UART_ACTV_REG 0x11
@@ -100,6 +101,7 @@
#define UART_RESET_D3_RESET_DISABLE BIT(16)
#define UART_BURST_STATUS_REG 0x9C
+#define UART_TX_BURST_FIFO 0xA0
#define UART_RX_BURST_FIFO 0xA4
#define MAX_PORTS 4
@@ -109,6 +111,7 @@
#define UART_BURST_SIZE 4
#define UART_BST_STAT_RX_COUNT_MASK 0x00FF
+#define UART_BST_STAT_TX_COUNT_MASK 0xFF00
#define UART_BST_STAT_IIR_INT_PEND 0x100000
#define UART_LSR_OVERRUN_ERR_CLR 0x43
#define UART_BST_STAT_LSR_RX_MASK 0x9F000000
@@ -116,6 +119,7 @@
#define UART_BST_STAT_LSR_OVERRUN_ERR 0x2000000
#define UART_BST_STAT_LSR_PARITY_ERR 0x4000000
#define UART_BST_STAT_LSR_FRAME_ERR 0x8000000
+#define UART_BST_STAT_LSR_THRE 0x20000000
struct pci1xxxx_8250 {
unsigned int nr;
@@ -344,6 +348,105 @@ static void pci1xxxx_rx_burst(struct uart_port *port, u32 uart_status)
}
}
+static void pci1xxxx_process_write_data(struct uart_port *port,
+ struct circ_buf *xmit,
+ int *data_empty_count,
+ u32 *valid_byte_count)
+{
+ u32 valid_burst_count = *valid_byte_count / UART_BURST_SIZE;
+
+ /*
+ * Each transaction transfers data in DWORDs. If there are less than
+ * four remaining valid_byte_count to transfer or if the circular
+ * buffer has insufficient space for a DWORD, the data is transferred
+ * one byte at a time.
+ */
+ while (valid_burst_count) {
+ if (*data_empty_count - UART_BURST_SIZE < 0)
+ break;
+ if (xmit->tail > (UART_XMIT_SIZE - UART_BURST_SIZE))
+ break;
+ writel(*(unsigned int *)&xmit->buf[xmit->tail],
+ port->membase + UART_TX_BURST_FIFO);
+ *valid_byte_count -= UART_BURST_SIZE;
+ *data_empty_count -= UART_BURST_SIZE;
+ valid_burst_count -= UART_BYTE_SIZE;
+
+ xmit->tail = (xmit->tail + UART_BURST_SIZE) &
+ (UART_XMIT_SIZE - 1);
+ }
+
+ while (*valid_byte_count) {
+ if (*data_empty_count - UART_BYTE_SIZE < 0)
+ break;
+ writeb(xmit->buf[xmit->tail], port->membase +
+ UART_TX_BYTE_FIFO);
+ *data_empty_count -= UART_BYTE_SIZE;
+ *valid_byte_count -= UART_BYTE_SIZE;
+
+ /*
+ * When the tail of the circular buffer is reached, the next
+ * byte is transferred to the beginning of the buffer.
+ */
+ xmit->tail = (xmit->tail + UART_BYTE_SIZE) &
+ (UART_XMIT_SIZE - 1);
+
+ /*
+ * If there are any pending burst count, data is handled by
+ * transmitting DWORDs at a time.
+ */
+ if (valid_burst_count && (xmit->tail <
+ (UART_XMIT_SIZE - UART_BURST_SIZE)))
+ break;
+ }
+}
+
+static void pci1xxxx_tx_burst(struct uart_port *port, u32 uart_status)
+{
+ struct uart_8250_port *up = up_to_u8250p(port);
+ u32 valid_byte_count;
+ int data_empty_count;
+ struct circ_buf *xmit;
+
+ xmit = &port->state->xmit;
+
+ if (port->x_char) {
+ writeb(port->x_char, port->membase + UART_TX);
+ port->icount.tx++;
+ port->x_char = 0;
+ return;
+ }
+
+ if ((uart_tx_stopped(port)) || (uart_circ_empty(xmit))) {
+ port->ops->stop_tx(port);
+ } else {
+ data_empty_count = (pci1xxxx_read_burst_status(port) &
+ UART_BST_STAT_TX_COUNT_MASK) >> 8;
+ do {
+ valid_byte_count = uart_circ_chars_pending(xmit);
+
+ pci1xxxx_process_write_data(port, xmit,
+ &data_empty_count,
+ &valid_byte_count);
+
+ port->icount.tx++;
+ if (uart_circ_empty(xmit))
+ break;
+ } while (data_empty_count && valid_byte_count);
+ }
+
+ if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+ uart_write_wakeup(port);
+
+ /*
+ * With RPM enabled, we have to wait until the FIFO is empty before
+ * the HW can go idle. So we get here once again with empty FIFO and
+ * disable the interrupt and RPM in __stop_tx()
+ */
+ if (uart_circ_empty(xmit) && !(up->capabilities & UART_CAP_RPM))
+ port->ops->stop_tx(port);
+}
+
static int pci1xxxx_handle_irq(struct uart_port *port)
{
unsigned long flags;
@@ -359,6 +462,9 @@ static int pci1xxxx_handle_irq(struct uart_port *port)
if (status & UART_BST_STAT_LSR_RX_MASK)
pci1xxxx_rx_burst(port, status);
+ if (status & UART_BST_STAT_LSR_THRE)
+ pci1xxxx_tx_burst(port, status);
+
spin_unlock_irqrestore(&port->lock, flags);
return 1;
--
GitLab
From 1ed67ecd13490daaac0b56891bbe1c1666c8cee3 Mon Sep 17 00:00:00 2001
From: Rengarajan S <rengarajan.s@microchip.com>
Date: Thu, 25 Jan 2024 15:36:19 +0530
Subject: [PATCH 0273/2686] 8250: microchip: Add 4 Mbps support in PCI1XXXX
UART
The current clock input is set to 62.5 MHz for supporting fractional
divider, which enables generation of an acceptable baud rate from any
frequency. With the current clock input the baud rate range is limited
to 3.9 Mbps. Hence, the current range is extended to support 4 Mbps
with Burst mode operation. Divisor calculation for a given baud rate is
updated as the sampling rate is reduced from 16 to 8 for 4 Mbps.
Signed-off-by: Rengarajan S <rengarajan.s@microchip.com>
Link: https://lore.kernel.org/r/20240125100619.154873-1-rengarajan.s@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_pci1xxxx.c | 34 +++++++++++++++++++++----
drivers/tty/serial/8250/8250_port.c | 7 +++++
2 files changed, 36 insertions(+), 5 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_pci1xxxx.c b/drivers/tty/serial/8250/8250_pci1xxxx.c
index d53605bf908d6..6cfeba058dba7 100644
--- a/drivers/tty/serial/8250/8250_pci1xxxx.c
+++ b/drivers/tty/serial/8250/8250_pci1xxxx.c
@@ -82,7 +82,8 @@
#define ADCL_CFG_PIN_SEL BIT(1)
#define ADCL_CFG_EN BIT(0)
-#define UART_BIT_SAMPLE_CNT 16
+#define UART_BIT_SAMPLE_CNT_8 8
+#define UART_BIT_SAMPLE_CNT_16 16
#define BAUD_CLOCK_DIV_INT_MSK GENMASK(31, 8)
#define ADCL_CFG_RTS_DELAY_MASK GENMASK(11, 8)
#define UART_CLOCK_DEFAULT (62500 * HZ_PER_KHZ)
@@ -96,6 +97,7 @@
(UART_WAKE_N_PIN | UART_WAKE_NCTS | UART_WAKE_INT)
#define UART_BAUD_CLK_DIVISOR_REG 0x54
+#define FRAC_DIV_CFG_REG 0x58
#define UART_RESET_REG 0x94
#define UART_RESET_D3_RESET_DISABLE BIT(16)
@@ -104,6 +106,10 @@
#define UART_TX_BURST_FIFO 0xA0
#define UART_RX_BURST_FIFO 0xA4
+#define UART_BIT_DIVISOR_8 0x26731000
+#define UART_BIT_DIVISOR_16 0x6ef71000
+#define UART_BAUD_4MBPS 4000000
+
#define MAX_PORTS 4
#define PORT_OFFSET 0x100
#define RX_BUF_SIZE 512
@@ -210,15 +216,24 @@ static int pci1xxxx_get_num_ports(struct pci_dev *dev)
static unsigned int pci1xxxx_get_divisor(struct uart_port *port,
unsigned int baud, unsigned int *frac)
{
+ unsigned int uart_sample_cnt;
unsigned int quot;
+ if (baud >= UART_BAUD_4MBPS) {
+ uart_sample_cnt = UART_BIT_SAMPLE_CNT_8;
+ writel(UART_BIT_DIVISOR_8, (port->membase + FRAC_DIV_CFG_REG));
+ } else {
+ uart_sample_cnt = UART_BIT_SAMPLE_CNT_16;
+ writel(UART_BIT_DIVISOR_16, (port->membase + FRAC_DIV_CFG_REG));
+ }
+
/*
* Calculate baud rate sampling period in nanoseconds.
* Fractional part x denotes x/255 parts of a nanosecond.
*/
- quot = NSEC_PER_SEC / (baud * UART_BIT_SAMPLE_CNT);
- *frac = (NSEC_PER_SEC - quot * baud * UART_BIT_SAMPLE_CNT) *
- 255 / UART_BIT_SAMPLE_CNT / baud;
+ quot = NSEC_PER_SEC / (baud * uart_sample_cnt);
+ *frac = (NSEC_PER_SEC - quot * baud * uart_sample_cnt) *
+ 255 / uart_sample_cnt / baud;
return quot;
}
@@ -237,7 +252,16 @@ static int pci1xxxx_rs485_config(struct uart_port *port,
u32 delay_in_baud_periods;
u32 baud_period_in_ns;
u32 mode_cfg = 0;
+ u32 sample_cnt;
u32 clock_div;
+ u32 frac_div;
+
+ frac_div = readl(port->membase + FRAC_DIV_CFG_REG);
+
+ if (frac_div == UART_BIT_DIVISOR_16)
+ sample_cnt = UART_BIT_SAMPLE_CNT_16;
+ else
+ sample_cnt = UART_BIT_SAMPLE_CNT_8;
/*
* pci1xxxx's uart hardware supports only RTS delay after
@@ -253,7 +277,7 @@ static int pci1xxxx_rs485_config(struct uart_port *port,
clock_div = readl(port->membase + UART_BAUD_CLK_DIVISOR_REG);
baud_period_in_ns =
FIELD_GET(BAUD_CLOCK_DIV_INT_MSK, clock_div) *
- UART_BIT_SAMPLE_CNT;
+ sample_cnt;
delay_in_baud_periods =
rs485->delay_rts_after_send * NSEC_PER_MSEC /
baud_period_in_ns;
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 8ca061d3bbb92..c37905ea3cae6 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -2681,6 +2681,7 @@ static unsigned int serial8250_get_baud_rate(struct uart_port *port,
struct ktermios *termios,
const struct ktermios *old)
{
+ struct uart_8250_port *up = up_to_u8250p(port);
unsigned int tolerance = port->uartclk / 100;
unsigned int min;
unsigned int max;
@@ -2698,6 +2699,12 @@ static unsigned int serial8250_get_baud_rate(struct uart_port *port,
max = (port->uartclk + tolerance) / 16;
}
+ /*
+ * Microchip PCI1XXXX UART supports maximum baud rate up to 4 Mbps
+ */
+ if (up->port.type == PORT_MCHP16550A)
+ max = 4000000;
+
/*
* Ask the core to calculate the divisor for us.
* Allow 1% tolerance at the upper limit so uart clks marginally
--
GitLab
From 32152467ffac3b79eae7313959c310946b0e6072 Mon Sep 17 00:00:00 2001
From: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
Date: Tue, 23 Jan 2024 11:46:53 +0530
Subject: [PATCH 0274/2686] dt-bindings: Add reference to rs485.yaml
Xilinx/AMD Kria SOM KD240 board has a rs485 compatible peripheral.
Update the binding to have rs485 support.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
Link: https://lore.kernel.org/r/20240123061655.2150946-2-manikanta.guntupalli@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/serial/cdns,uart.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.yaml b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
index e35ad1109efc8..2129247d7c816 100644
--- a/Documentation/devicetree/bindings/serial/cdns,uart.yaml
+++ b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
@@ -55,6 +55,7 @@ required:
allOf:
- $ref: serial.yaml#
+ - $ref: rs485.yaml#
- if:
properties:
compatible:
--
GitLab
From 74231ab6cc2d02303ddf1fabd878756c52f788a5 Mon Sep 17 00:00:00 2001
From: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
Date: Tue, 23 Jan 2024 11:46:54 +0530
Subject: [PATCH 0275/2686] tty: serial: uartps: Relocate cdns_uart_tx_empty to
facilitate rs485
Relocate cdns_uart_tx_empty function to avoid prototype statement in
rs485 changes.
Update return check with uart_tx_stopped() in cdns_uart_handle_tx().
Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
Link: https://lore.kernel.org/r/20240123061655.2150946-3-manikanta.guntupalli@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/xilinx_uartps.c | 36 ++++++++++++++++--------------
1 file changed, 19 insertions(+), 17 deletions(-)
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 920762d7b4a4b..765a6e174052a 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -306,7 +306,22 @@ static void cdns_uart_handle_rx(void *dev_id, unsigned int isrstatus)
}
/**
- * cdns_uart_handle_tx - Handle the bytes to be Txed.
+ * cdns_uart_tx_empty - Check whether TX is empty
+ * @port: Handle to the uart port structure
+ *
+ * Return: TIOCSER_TEMT on success, 0 otherwise
+ */
+static unsigned int cdns_uart_tx_empty(struct uart_port *port)
+{
+ unsigned int status;
+
+ status = readl(port->membase + CDNS_UART_SR);
+ status &= (CDNS_UART_SR_TXEMPTY | CDNS_UART_SR_TACTIVE);
+ return (status == CDNS_UART_SR_TXEMPTY) ? TIOCSER_TEMT : 0;
+}
+
+/**
+ * cdns_uart_handle_tx - Handle the bytes to be transmitted.
* @dev_id: Id of the UART port
* Return: None
*/
@@ -316,7 +331,8 @@ static void cdns_uart_handle_tx(void *dev_id)
struct circ_buf *xmit = &port->state->xmit;
unsigned int numbytes;
- if (uart_circ_empty(xmit)) {
+ if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
+ /* Disable the TX Empty interrupt */
writel(CDNS_UART_IXR_TXEMPTY, port->membase + CDNS_UART_IDR);
return;
}
@@ -587,6 +603,7 @@ static void cdns_uart_start_tx(struct uart_port *port)
if (uart_circ_empty(&port->state->xmit))
return;
+ /* Clear the TX Empty interrupt */
writel(CDNS_UART_IXR_TXEMPTY, port->membase + CDNS_UART_ISR);
cdns_uart_handle_tx(port);
@@ -626,21 +643,6 @@ static void cdns_uart_stop_rx(struct uart_port *port)
writel(regval, port->membase + CDNS_UART_CR);
}
-/**
- * cdns_uart_tx_empty - Check whether TX is empty
- * @port: Handle to the uart port structure
- *
- * Return: TIOCSER_TEMT on success, 0 otherwise
- */
-static unsigned int cdns_uart_tx_empty(struct uart_port *port)
-{
- unsigned int status;
-
- status = readl(port->membase + CDNS_UART_SR) &
- (CDNS_UART_SR_TXEMPTY | CDNS_UART_SR_TACTIVE);
- return (status == CDNS_UART_SR_TXEMPTY) ? TIOCSER_TEMT : 0;
-}
-
/**
* cdns_uart_break_ctl - Based on the input ctl we have to start or stop
* transmitting char breaks
--
GitLab
From fccc9d9233f918ee50cf2955ae7134a7f3418351 Mon Sep 17 00:00:00 2001
From: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
Date: Tue, 23 Jan 2024 11:46:55 +0530
Subject: [PATCH 0276/2686] tty: serial: uartps: Add rs485 support to uartps
driver
Add rs485 support to uartps driver. Use either rts-gpios or RTS
to control RS485 phy as driver or a receiver.
Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
Link: https://lore.kernel.org/r/20240123061655.2150946-4-manikanta.guntupalli@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/xilinx_uartps.c | 200 ++++++++++++++++++++++++++++-
1 file changed, 196 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 765a6e174052a..5f48ec37cb25f 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -22,7 +22,9 @@
#include <linux/of.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
-#include <linux/iopoll.h>
+#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
+#include <linux/delay.h>
#define CDNS_UART_TTY_NAME "ttyPS"
#define CDNS_UART_NAME "xuartps"
@@ -193,6 +195,9 @@ MODULE_PARM_DESC(rx_timeout, "Rx timeout, 1-255");
* @clk_rate_change_nb: Notifier block for clock changes
* @quirks: Flags for RXBS support.
* @cts_override: Modem control state override
+ * @gpiod_rts: Pointer to the gpio descriptor
+ * @rs485_tx_started: RS485 tx state
+ * @tx_timer: Timer for tx
*/
struct cdns_uart {
struct uart_port *port;
@@ -203,10 +208,21 @@ struct cdns_uart {
struct notifier_block clk_rate_change_nb;
u32 quirks;
bool cts_override;
+ struct gpio_desc *gpiod_rts;
+ bool rs485_tx_started;
+ struct hrtimer tx_timer;
};
struct cdns_platform_data {
u32 quirks;
};
+
+struct serial_rs485 cdns_rs485_supported = {
+ .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND |
+ SER_RS485_RTS_AFTER_SEND,
+ .delay_rts_before_send = 1,
+ .delay_rts_after_send = 1,
+};
+
#define to_cdns_uart(_nb) container_of(_nb, struct cdns_uart, \
clk_rate_change_nb)
@@ -305,6 +321,55 @@ static void cdns_uart_handle_rx(void *dev_id, unsigned int isrstatus)
tty_flip_buffer_push(&port->state->port);
}
+/**
+ * cdns_rts_gpio_enable - Configure RTS/GPIO to high/low
+ * @cdns_uart: Handle to the cdns_uart
+ * @enable: Value to be set to RTS/GPIO
+ */
+static void cdns_rts_gpio_enable(struct cdns_uart *cdns_uart, bool enable)
+{
+ u32 val;
+
+ if (cdns_uart->gpiod_rts) {
+ gpiod_set_value(cdns_uart->gpiod_rts, enable);
+ } else {
+ val = readl(cdns_uart->port->membase + CDNS_UART_MODEMCR);
+ if (enable)
+ val |= CDNS_UART_MODEMCR_RTS;
+ else
+ val &= ~CDNS_UART_MODEMCR_RTS;
+ writel(val, cdns_uart->port->membase + CDNS_UART_MODEMCR);
+ }
+}
+
+/**
+ * cdns_rs485_tx_setup - Tx setup specific to rs485
+ * @cdns_uart: Handle to the cdns_uart
+ */
+static void cdns_rs485_tx_setup(struct cdns_uart *cdns_uart)
+{
+ bool enable;
+
+ enable = cdns_uart->port->rs485.flags & SER_RS485_RTS_ON_SEND;
+ cdns_rts_gpio_enable(cdns_uart, enable);
+
+ cdns_uart->rs485_tx_started = true;
+}
+
+/**
+ * cdns_rs485_rx_setup - Rx setup specific to rs485
+ * @cdns_uart: Handle to the cdns_uart
+ */
+static void cdns_rs485_rx_setup(struct cdns_uart *cdns_uart)
+{
+ bool enable;
+
+ enable = cdns_uart->port->rs485.flags & SER_RS485_RTS_AFTER_SEND;
+ cdns_rts_gpio_enable(cdns_uart, enable);
+
+ cdns_uart->rs485_tx_started = false;
+}
+
/**
* cdns_uart_tx_empty - Check whether TX is empty
* @port: Handle to the uart port structure
@@ -320,6 +385,37 @@ static unsigned int cdns_uart_tx_empty(struct uart_port *port)
return (status == CDNS_UART_SR_TXEMPTY) ? TIOCSER_TEMT : 0;
}
+/**
+ * cdns_rs485_rx_callback - Timer rx callback handler for rs485.
+ * @t: Handle to the hrtimer structure
+ */
+static enum hrtimer_restart cdns_rs485_rx_callback(struct hrtimer *t)
+{
+ struct cdns_uart *cdns_uart = container_of(t, struct cdns_uart, tx_timer);
+
+ /*
+ * Default Rx should be setup, because Rx signaling path
+ * need to enable to receive data.
+ */
+ cdns_rs485_rx_setup(cdns_uart);
+
+ return HRTIMER_NORESTART;
+}
+
+/**
+ * cdns_calc_after_tx_delay - calculate delay required for after tx.
+ * @cdns_uart: Handle to the cdns_uart
+ */
+static u64 cdns_calc_after_tx_delay(struct cdns_uart *cdns_uart)
+{
+ /*
+ * Frame time + stop bit time + rs485.delay_rts_after_send
+ */
+ return cdns_uart->port->frame_time
+ + DIV_ROUND_UP(cdns_uart->port->frame_time, 7)
+ + (u64)cdns_uart->port->rs485.delay_rts_after_send * NSEC_PER_MSEC;
+}
+
/**
* cdns_uart_handle_tx - Handle the bytes to be transmitted.
* @dev_id: Id of the UART port
@@ -328,6 +424,7 @@ static unsigned int cdns_uart_tx_empty(struct uart_port *port)
static void cdns_uart_handle_tx(void *dev_id)
{
struct uart_port *port = (struct uart_port *)dev_id;
+ struct cdns_uart *cdns_uart = port->private_data;
struct circ_buf *xmit = &port->state->xmit;
unsigned int numbytes;
@@ -348,6 +445,16 @@ static void cdns_uart_handle_tx(void *dev_id)
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(port);
+
+ /* Enable the TX Empty interrupt */
+ writel(CDNS_UART_IXR_TXEMPTY, cdns_uart->port->membase + CDNS_UART_IER);
+
+ if (cdns_uart->port->rs485.flags & SER_RS485_ENABLED &&
+ (uart_circ_empty(xmit) || uart_tx_stopped(port))) {
+ cdns_uart->tx_timer.function = &cdns_rs485_rx_callback;
+ hrtimer_start(&cdns_uart->tx_timer,
+ ns_to_ktime(cdns_calc_after_tx_delay(cdns_uart)), HRTIMER_MODE_REL);
+ }
}
/**
@@ -580,6 +687,21 @@ static int cdns_uart_clk_notifier_cb(struct notifier_block *nb,
}
#endif
+/**
+ * cdns_rs485_tx_callback - Timer tx callback handler for rs485.
+ * @t: Handle to the hrtimer structure
+ */
+static enum hrtimer_restart cdns_rs485_tx_callback(struct hrtimer *t)
+{
+ struct cdns_uart *cdns_uart = container_of(t, struct cdns_uart, tx_timer);
+
+ uart_port_lock(cdns_uart->port);
+ cdns_uart_handle_tx(cdns_uart->port);
+ uart_port_unlock(cdns_uart->port);
+
+ return HRTIMER_NORESTART;
+}
+
/**
* cdns_uart_start_tx - Start transmitting bytes
* @port: Handle to the uart port structure
@@ -587,6 +709,7 @@ static int cdns_uart_clk_notifier_cb(struct notifier_block *nb,
static void cdns_uart_start_tx(struct uart_port *port)
{
unsigned int status;
+ struct cdns_uart *cdns_uart = port->private_data;
if (uart_tx_stopped(port))
return;
@@ -606,10 +729,16 @@ static void cdns_uart_start_tx(struct uart_port *port)
/* Clear the TX Empty interrupt */
writel(CDNS_UART_IXR_TXEMPTY, port->membase + CDNS_UART_ISR);
+ if (cdns_uart->port->rs485.flags & SER_RS485_ENABLED) {
+ if (!cdns_uart->rs485_tx_started) {
+ cdns_uart->tx_timer.function = &cdns_rs485_tx_callback;
+ cdns_rs485_tx_setup(cdns_uart);
+ return hrtimer_start(&cdns_uart->tx_timer,
+ ms_to_ktime(port->rs485.delay_rts_before_send),
+ HRTIMER_MODE_REL);
+ }
+ }
cdns_uart_handle_tx(port);
-
- /* Enable the TX Empty interrupt */
- writel(CDNS_UART_IXR_TXEMPTY, port->membase + CDNS_UART_IER);
}
/**
@@ -619,6 +748,10 @@ static void cdns_uart_start_tx(struct uart_port *port)
static void cdns_uart_stop_tx(struct uart_port *port)
{
unsigned int regval;
+ struct cdns_uart *cdns_uart = port->private_data;
+
+ if (cdns_uart->port->rs485.flags & SER_RS485_ENABLED)
+ cdns_rs485_rx_setup(cdns_uart);
regval = readl(port->membase + CDNS_UART_CR);
regval |= CDNS_UART_CR_TX_DIS;
@@ -831,6 +964,9 @@ static int cdns_uart_startup(struct uart_port *port)
(CDNS_UART_CR_TXRST | CDNS_UART_CR_RXRST))
cpu_relax();
+ if (cdns_uart->port->rs485.flags & SER_RS485_ENABLED)
+ cdns_rs485_rx_setup(cdns_uart);
+
/*
* Clear the RX disable bit and then set the RX enable bit to enable
* the receiver.
@@ -890,6 +1026,10 @@ static void cdns_uart_shutdown(struct uart_port *port)
{
int status;
unsigned long flags;
+ struct cdns_uart *cdns_uart = port->private_data;
+
+ if (cdns_uart->port->rs485.flags & SER_RS485_ENABLED)
+ hrtimer_cancel(&cdns_uart->tx_timer);
uart_port_lock_irqsave(port, &flags);
@@ -1035,6 +1175,8 @@ static void cdns_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)
if (mctrl & TIOCM_RTS)
val |= CDNS_UART_MODEMCR_RTS;
+ if (cdns_uart_data->gpiod_rts)
+ gpiod_set_value(cdns_uart_data->gpiod_rts, !(mctrl & TIOCM_RTS));
if (mctrl & TIOCM_DTR)
val |= CDNS_UART_MODEMCR_DTR;
if (mctrl & TIOCM_LOOP)
@@ -1457,6 +1599,39 @@ MODULE_DEVICE_TABLE(of, cdns_uart_of_match);
/* Temporary variable for storing number of instances */
static int instances;
+/**
+ * cdns_rs485_config - Called when an application calls TIOCSRS485 ioctl.
+ * @port: Pointer to the uart_port structure
+ * @termios: Pointer to the ktermios structure
+ * @rs485: Pointer to the serial_rs485 structure
+ *
+ * Return: 0
+ */
+static int cdns_rs485_config(struct uart_port *port, struct ktermios *termios,
+ struct serial_rs485 *rs485)
+{
+ u32 val;
+ struct cdns_uart *cdns_uart = port->private_data;
+
+ if (rs485->flags & SER_RS485_ENABLED) {
+ dev_dbg(port->dev, "Setting UART to RS485\n");
+ /* Make sure auto RTS is disabled */
+ val = readl(port->membase + CDNS_UART_MODEMCR);
+ val &= ~CDNS_UART_MODEMCR_FCM;
+ writel(val, port->membase + CDNS_UART_MODEMCR);
+
+ /* Timer setup */
+ hrtimer_init(&cdns_uart->tx_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+ cdns_uart->tx_timer.function = &cdns_rs485_tx_callback;
+
+ /* Disable transmitter and make Rx setup*/
+ cdns_uart_stop_tx(port);
+ } else {
+ hrtimer_cancel(&cdns_uart->tx_timer);
+ }
+ return 0;
+}
+
/**
* cdns_uart_probe - Platform driver probe
* @pdev: Pointer to the platform device structure
@@ -1599,9 +1774,23 @@ static int cdns_uart_probe(struct platform_device *pdev)
port->private_data = cdns_uart_data;
port->read_status_mask = CDNS_UART_IXR_TXEMPTY | CDNS_UART_IXR_RXTRIG |
CDNS_UART_IXR_OVERRUN | CDNS_UART_IXR_TOUT;
+ port->rs485_config = cdns_rs485_config;
+ port->rs485_supported = cdns_rs485_supported;
cdns_uart_data->port = port;
platform_set_drvdata(pdev, port);
+ rc = uart_get_rs485_mode(port);
+ if (rc)
+ goto err_out_clk_notifier;
+
+ cdns_uart_data->gpiod_rts = devm_gpiod_get_optional(&pdev->dev, "rts",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(cdns_uart_data->gpiod_rts)) {
+ rc = PTR_ERR(cdns_uart_data->gpiod_rts);
+ dev_err(port->dev, "xuartps: devm_gpiod_get_optional failed\n");
+ goto err_out_clk_notifier;
+ }
+
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, UART_AUTOSUSPEND_TIMEOUT);
pm_runtime_set_active(&pdev->dev);
@@ -1620,6 +1809,8 @@ static int cdns_uart_probe(struct platform_device *pdev)
console_port = port;
}
#endif
+ if (cdns_uart_data->port->rs485.flags & SER_RS485_ENABLED)
+ cdns_rs485_rx_setup(cdns_uart_data);
rc = uart_add_one_port(&cdns_uart_uart_driver, port);
if (rc) {
@@ -1648,6 +1839,7 @@ static int cdns_uart_probe(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
pm_runtime_dont_use_autosuspend(&pdev->dev);
+err_out_clk_notifier:
#ifdef CONFIG_COMMON_CLK
clk_notifier_unregister(cdns_uart_data->uartclk,
&cdns_uart_data->clk_rate_change_nb);
--
GitLab
From bce3f770684cc1d91ff9edab431b71ac991faf29 Mon Sep 17 00:00:00 2001
From: Jeffrey Hugo <quic_jhugo@quicinc.com>
Date: Fri, 12 Jan 2024 11:08:00 -0700
Subject: [PATCH 0277/2686] bus: mhi: host: Add MHI_PM_SYS_ERR_FAIL state
When processing a SYSERR, if the device does not respond to the MHI_RESET
from the host, the host will be stuck in a difficult to recover state.
The host will remain in MHI_PM_SYS_ERR_PROCESS and not clean up the host
channels. Clients will not be notified of the SYSERR via the destruction
of their channel devices, which means clients may think that the device is
still up. Subsequent SYSERR events such as a device fatal error will not
be processed as the state machine cannot transition from PROCESS back to
DETECT. The only way to recover from this is to unload the mhi module
(wipe the state machine state) or for the mhi controller to initiate
SHUTDOWN.
This issue was discovered by stress testing soc_reset events on AIC100
via the sysfs node.
soc_reset is processed entirely in hardware. When the register write
hits the endpoint hardware, it causes the soc to reset without firmware
involvement. In stress testing, there is a rare race where soc_reset N
will cause the soc to reset and PBL to signal SYSERR (fatal error). If
soc_reset N+1 is triggered before PBL can process the MHI_RESET from the
host, then the soc will reset again, and re-run PBL from the beginning.
This will cause PBL to lose all state. PBL will be waiting for the host
to respond to the new syserr, but host will be stuck expecting the
previous MHI_RESET to be processed.
Additionally, the AMSS EE firmware (QSM) was hacked to synthetically
reproduce the issue by simulating a FW hang after the QSM issued a
SYSERR. In this case, soc_reset would not recover the device.
For this failure case, to recover the device, we need a state similar to
PROCESS, but can transition to DETECT. There is not a viable existing
state to use. POR has the needed transitions, but assumes the device is
in a good state and could allow the host to attempt to use the device.
Allowing PROCESS to transition to DETECT invites the possibility of
parallel SYSERR processing which could get the host and device out of
sync.
Thus, invent a new state - MHI_PM_SYS_ERR_FAIL
This essentially a holding state. It allows us to clean up the host
elements that are based on the old state of the device (channels), but
does not allow us to directly advance back to an operational state. It
does allow the detection and processing of another SYSERR which may
recover the device, or allows the controller to do a clean shutdown.
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240112180800.536733-1-quic_jhugo@quicinc.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
drivers/bus/mhi/host/init.c | 1 +
drivers/bus/mhi/host/internal.h | 9 ++++++---
drivers/bus/mhi/host/pm.c | 20 +++++++++++++++++---
3 files changed, 24 insertions(+), 6 deletions(-)
diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c
index 65ceac1837f9a..8e5ec1a409b80 100644
--- a/drivers/bus/mhi/host/init.c
+++ b/drivers/bus/mhi/host/init.c
@@ -62,6 +62,7 @@ static const char * const mhi_pm_state_str[] = {
[MHI_PM_STATE_FW_DL_ERR] = "Firmware Download Error",
[MHI_PM_STATE_SYS_ERR_DETECT] = "SYS ERROR Detect",
[MHI_PM_STATE_SYS_ERR_PROCESS] = "SYS ERROR Process",
+ [MHI_PM_STATE_SYS_ERR_FAIL] = "SYS ERROR Failure",
[MHI_PM_STATE_SHUTDOWN_PROCESS] = "SHUTDOWN Process",
[MHI_PM_STATE_LD_ERR_FATAL_DETECT] = "Linkdown or Error Fatal Detect",
};
diff --git a/drivers/bus/mhi/host/internal.h b/drivers/bus/mhi/host/internal.h
index 30ac415a3000f..4b6deea17bcd2 100644
--- a/drivers/bus/mhi/host/internal.h
+++ b/drivers/bus/mhi/host/internal.h
@@ -88,6 +88,7 @@ enum mhi_pm_state {
MHI_PM_STATE_FW_DL_ERR,
MHI_PM_STATE_SYS_ERR_DETECT,
MHI_PM_STATE_SYS_ERR_PROCESS,
+ MHI_PM_STATE_SYS_ERR_FAIL,
MHI_PM_STATE_SHUTDOWN_PROCESS,
MHI_PM_STATE_LD_ERR_FATAL_DETECT,
MHI_PM_STATE_MAX
@@ -104,14 +105,16 @@ enum mhi_pm_state {
#define MHI_PM_FW_DL_ERR BIT(7)
#define MHI_PM_SYS_ERR_DETECT BIT(8)
#define MHI_PM_SYS_ERR_PROCESS BIT(9)
-#define MHI_PM_SHUTDOWN_PROCESS BIT(10)
+#define MHI_PM_SYS_ERR_FAIL BIT(10)
+#define MHI_PM_SHUTDOWN_PROCESS BIT(11)
/* link not accessible */
-#define MHI_PM_LD_ERR_FATAL_DETECT BIT(11)
+#define MHI_PM_LD_ERR_FATAL_DETECT BIT(12)
#define MHI_REG_ACCESS_VALID(pm_state) ((pm_state & (MHI_PM_POR | MHI_PM_M0 | \
MHI_PM_M2 | MHI_PM_M3_ENTER | MHI_PM_M3_EXIT | \
MHI_PM_SYS_ERR_DETECT | MHI_PM_SYS_ERR_PROCESS | \
- MHI_PM_SHUTDOWN_PROCESS | MHI_PM_FW_DL_ERR)))
+ MHI_PM_SYS_ERR_FAIL | MHI_PM_SHUTDOWN_PROCESS | \
+ MHI_PM_FW_DL_ERR)))
#define MHI_PM_IN_ERROR_STATE(pm_state) (pm_state >= MHI_PM_FW_DL_ERR)
#define MHI_PM_IN_FATAL_STATE(pm_state) (pm_state == MHI_PM_LD_ERR_FATAL_DETECT)
#define MHI_DB_ACCESS_VALID(mhi_cntrl) (mhi_cntrl->pm_state & mhi_cntrl->db_access)
diff --git a/drivers/bus/mhi/host/pm.c b/drivers/bus/mhi/host/pm.c
index a2f2feef14768..d0d033ce9984b 100644
--- a/drivers/bus/mhi/host/pm.c
+++ b/drivers/bus/mhi/host/pm.c
@@ -36,7 +36,10 @@
* M0 <--> M0
* M0 -> FW_DL_ERR
* M0 -> M3_ENTER -> M3 -> M3_EXIT --> M0
- * L1: SYS_ERR_DETECT -> SYS_ERR_PROCESS --> POR
+ * L1: SYS_ERR_DETECT -> SYS_ERR_PROCESS
+ * SYS_ERR_PROCESS -> SYS_ERR_FAIL
+ * SYS_ERR_FAIL -> SYS_ERR_DETECT
+ * SYS_ERR_PROCESS --> POR
* L2: SHUTDOWN_PROCESS -> LD_ERR_FATAL_DETECT
* SHUTDOWN_PROCESS -> DISABLE
* L3: LD_ERR_FATAL_DETECT <--> LD_ERR_FATAL_DETECT
@@ -93,7 +96,12 @@ static const struct mhi_pm_transitions dev_state_transitions[] = {
},
{
MHI_PM_SYS_ERR_PROCESS,
- MHI_PM_POR | MHI_PM_SHUTDOWN_PROCESS |
+ MHI_PM_POR | MHI_PM_SYS_ERR_FAIL | MHI_PM_SHUTDOWN_PROCESS |
+ MHI_PM_LD_ERR_FATAL_DETECT
+ },
+ {
+ MHI_PM_SYS_ERR_FAIL,
+ MHI_PM_SYS_ERR_DETECT | MHI_PM_SHUTDOWN_PROCESS |
MHI_PM_LD_ERR_FATAL_DETECT
},
/* L2 States */
@@ -629,7 +637,13 @@ static void mhi_pm_sys_error_transition(struct mhi_controller *mhi_cntrl)
!in_reset, timeout);
if (!ret || in_reset) {
dev_err(dev, "Device failed to exit MHI Reset state\n");
- goto exit_sys_error_transition;
+ write_lock_irq(&mhi_cntrl->pm_lock);
+ cur_state = mhi_tryset_pm_state(mhi_cntrl,
+ MHI_PM_SYS_ERR_FAIL);
+ write_unlock_irq(&mhi_cntrl->pm_lock);
+ /* Shutdown may have occurred, otherwise cleanup now */
+ if (cur_state != MHI_PM_SYS_ERR_FAIL)
+ goto exit_sys_error_transition;
}
/*
--
GitLab
From 8ddf54a32111f6dbe06cd318af443c6545a6c037 Mon Sep 17 00:00:00 2001
From: Jeffrey Hugo <quic_jhugo@quicinc.com>
Date: Fri, 5 Jan 2024 10:42:53 -0700
Subject: [PATCH 0278/2686] bus: mhi: host: Read PK HASH dynamically
The OEM PK HASH registers in the BHI region are read once during firmware
load (boot), cached, and displayed on demand via sysfs. This has a few
problems - if firmware load is skipped, the registers will not be read and
if the register values change over the life of the device the local cache
will be out of sync.
Qualcomm Cloud AI 100 can expose both these problems. It is possible for
mhi_async_power_up() to be invoked while the device is in AMSS EE, which
would bypass firmware loading. Also, Qualcomm Cloud AI 100 has 5 PK HASH
slots which can be dynamically provisioned while the device is active,
which would result in the values changing and users may want to know what
keys are active.
Address these concerns by reading the PK HASH registers on-demand during
the sysfs read. This will result in showing the most current information.
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240105174253.863388-1-quic_jhugo@quicinc.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
drivers/bus/mhi/host/boot.c | 11 +----------
drivers/bus/mhi/host/init.c | 16 ++++++++++++----
include/linux/mhi.h | 2 --
3 files changed, 13 insertions(+), 16 deletions(-)
diff --git a/drivers/bus/mhi/host/boot.c b/drivers/bus/mhi/host/boot.c
index edc0ec5a09339..dedd29ca8db35 100644
--- a/drivers/bus/mhi/host/boot.c
+++ b/drivers/bus/mhi/host/boot.c
@@ -395,7 +395,7 @@ void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl)
void *buf;
dma_addr_t dma_addr;
size_t size, fw_sz;
- int i, ret;
+ int ret;
if (MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state)) {
dev_err(dev, "Device MHI is not in valid state\n");
@@ -408,15 +408,6 @@ void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl)
if (ret)
dev_err(dev, "Could not capture serial number via BHI\n");
- for (i = 0; i < ARRAY_SIZE(mhi_cntrl->oem_pk_hash); i++) {
- ret = mhi_read_reg(mhi_cntrl, mhi_cntrl->bhi, BHI_OEMPKHASH(i),
- &mhi_cntrl->oem_pk_hash[i]);
- if (ret) {
- dev_err(dev, "Could not capture OEM PK HASH via BHI\n");
- break;
- }
- }
-
/* wait for ready on pass through or any other execution environment */
if (!MHI_FW_LOAD_CAPABLE(mhi_cntrl->ee))
goto fw_load_ready_state;
diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c
index 8e5ec1a409b80..6d3b045ab2590 100644
--- a/drivers/bus/mhi/host/init.c
+++ b/drivers/bus/mhi/host/init.c
@@ -98,11 +98,19 @@ static ssize_t oem_pk_hash_show(struct device *dev,
{
struct mhi_device *mhi_dev = to_mhi_device(dev);
struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl;
- int i, cnt = 0;
+ u32 hash_segment[MHI_MAX_OEM_PK_HASH_SEGMENTS];
+ int i, cnt = 0, ret;
- for (i = 0; i < ARRAY_SIZE(mhi_cntrl->oem_pk_hash); i++)
- cnt += sysfs_emit_at(buf, cnt, "OEMPKHASH[%d]: 0x%x\n",
- i, mhi_cntrl->oem_pk_hash[i]);
+ for (i = 0; i < MHI_MAX_OEM_PK_HASH_SEGMENTS; i++) {
+ ret = mhi_read_reg(mhi_cntrl, mhi_cntrl->bhi, BHI_OEMPKHASH(i), &hash_segment[i]);
+ if (ret) {
+ dev_err(dev, "Could not capture OEM PK HASH\n");
+ return ret;
+ }
+ }
+
+ for (i = 0; i < MHI_MAX_OEM_PK_HASH_SEGMENTS; i++)
+ cnt += sysfs_emit_at(buf, cnt, "OEMPKHASH[%d]: 0x%x\n", i, hash_segment[i]);
return cnt;
}
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index d0f9b522f328b..474d32cb05200 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -325,7 +325,6 @@ struct mhi_controller_config {
* @major_version: MHI controller major revision number
* @minor_version: MHI controller minor revision number
* @serial_number: MHI controller serial number obtained from BHI
- * @oem_pk_hash: MHI controller OEM PK Hash obtained from BHI
* @mhi_event: MHI event ring configurations table
* @mhi_cmd: MHI command ring configurations table
* @mhi_ctxt: MHI device context, shared memory between host and device
@@ -413,7 +412,6 @@ struct mhi_controller {
u32 major_version;
u32 minor_version;
u32 serial_number;
- u32 oem_pk_hash[MHI_MAX_OEM_PK_HASH_SEGMENTS];
struct mhi_event *mhi_event;
struct mhi_cmd *mhi_cmd;
--
GitLab
From 1c9f2c7606afe149800986182638f636646dd824 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 10 Jan 2024 08:28:16 -1000
Subject: [PATCH 0279/2686] kernfs: Rearrange kernfs_node fields to reduce its
size on 64bit
Moving .flags and .mode right below .hash makes kernfs_node smaller by 8
bytes on 64bit. To avoid creating a hole from 8 bytes alignment on 32bit
archs, .priv is moved below so that there are two 32bit pointers after the
64bit .id field.
v2: Updated to avoid size increase on 32bit noticed by Geert.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/ZZ7hwA18nfmFjYpj@slm.duckdns.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/kernfs.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 99aaa050ccb76..82e1ce79a70c3 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -206,22 +206,22 @@ struct kernfs_node {
const void *ns; /* namespace tag */
unsigned int hash; /* ns + name hash */
+ unsigned short flags;
+ umode_t mode;
+
union {
struct kernfs_elem_dir dir;
struct kernfs_elem_symlink symlink;
struct kernfs_elem_attr attr;
};
- void *priv;
-
/*
* 64bit unique ID. On 64bit ino setups, id is the ino. On 32bit,
* the low 32bits are ino and upper generation.
*/
u64 id;
- unsigned short flags;
- umode_t mode;
+ void *priv;
struct kernfs_iattrs *iattr;
};
--
GitLab
From 4207b556e62f0a8915afc5da4c5d5ad915a253a5 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Tue, 9 Jan 2024 11:48:04 -1000
Subject: [PATCH 0280/2686] kernfs: RCU protect kernfs_nodes and avoid
kernfs_idr_lock in kernfs_find_and_get_node_by_id()
The BPF helper bpf_cgroup_from_id() calls kernfs_find_and_get_node_by_id()
which acquires kernfs_idr_lock, which is an non-raw non-IRQ-safe lock. This
can lead to deadlocks as bpf_cgroup_from_id() can be called from any BPF
programs including e.g. the ones that attach to functions which are holding
the scheduler rq lock.
Consider the following BPF program:
SEC("fentry/__set_cpus_allowed_ptr_locked")
int BPF_PROG(__set_cpus_allowed_ptr_locked, struct task_struct *p,
struct affinity_context *affn_ctx, struct rq *rq, struct rq_flags *rf)
{
struct cgroup *cgrp = bpf_cgroup_from_id(p->cgroups->dfl_cgrp->kn->id);
if (cgrp) {
bpf_printk("%d[%s] in %s", p->pid, p->comm, cgrp->kn->name);
bpf_cgroup_release(cgrp);
}
return 0;
}
__set_cpus_allowed_ptr_locked() is called with rq lock held and the above
BPF program calls bpf_cgroup_from_id() within leading to the following
lockdep warning:
=====================================================
WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected
6.7.0-rc3-work-00053-g07124366a1d7-dirty #147 Not tainted
-----------------------------------------------------
repro/1620 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
ffffffff833b3688 (kernfs_idr_lock){+.+.}-{2:2}, at: kernfs_find_and_get_node_by_id+0x1e/0x70
and this task is already holding:
ffff888237ced698 (&rq->__lock){-.-.}-{2:2}, at: task_rq_lock+0x4e/0xf0
which would create a new lock dependency:
(&rq->__lock){-.-.}-{2:2} -> (kernfs_idr_lock){+.+.}-{2:2}
...
Possible interrupt unsafe locking scenario:
CPU0 CPU1
---- ----
lock(kernfs_idr_lock);
local_irq_disable();
lock(&rq->__lock);
lock(kernfs_idr_lock);
<Interrupt>
lock(&rq->__lock);
*** DEADLOCK ***
...
Call Trace:
dump_stack_lvl+0x55/0x70
dump_stack+0x10/0x20
__lock_acquire+0x781/0x2a40
lock_acquire+0xbf/0x1f0
_raw_spin_lock+0x2f/0x40
kernfs_find_and_get_node_by_id+0x1e/0x70
cgroup_get_from_id+0x21/0x240
bpf_cgroup_from_id+0xe/0x20
bpf_prog_98652316e9337a5a___set_cpus_allowed_ptr_locked+0x96/0x11a
bpf_trampoline_6442545632+0x4f/0x1000
__set_cpus_allowed_ptr_locked+0x5/0x5a0
sched_setaffinity+0x1b3/0x290
__x64_sys_sched_setaffinity+0x4f/0x60
do_syscall_64+0x40/0xe0
entry_SYSCALL_64_after_hwframe+0x46/0x4e
Let's fix it by protecting kernfs_node and kernfs_root with RCU and making
kernfs_find_and_get_node_by_id() acquire rcu_read_lock() instead of
kernfs_idr_lock.
This adds an rcu_head to kernfs_node making it larger by 16 bytes on 64bit.
Combined with the preceding rearrange patch, the net increase is 8 bytes.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Andrea Righi <andrea.righi@canonical.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20240109214828.252092-4-tj@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/kernfs/dir.c | 31 ++++++++++++++++++++-----------
fs/kernfs/kernfs-internal.h | 2 ++
include/linux/kernfs.h | 2 ++
3 files changed, 24 insertions(+), 11 deletions(-)
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index bce1d7ac95caa..458519e416fe7 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -529,6 +529,20 @@ void kernfs_get(struct kernfs_node *kn)
}
EXPORT_SYMBOL_GPL(kernfs_get);
+static void kernfs_free_rcu(struct rcu_head *rcu)
+{
+ struct kernfs_node *kn = container_of(rcu, struct kernfs_node, rcu);
+
+ kfree_const(kn->name);
+
+ if (kn->iattr) {
+ simple_xattrs_free(&kn->iattr->xattrs, NULL);
+ kmem_cache_free(kernfs_iattrs_cache, kn->iattr);
+ }
+
+ kmem_cache_free(kernfs_node_cache, kn);
+}
+
/**
* kernfs_put - put a reference count on a kernfs_node
* @kn: the target kernfs_node
@@ -557,16 +571,11 @@ void kernfs_put(struct kernfs_node *kn)
if (kernfs_type(kn) == KERNFS_LINK)
kernfs_put(kn->symlink.target_kn);
- kfree_const(kn->name);
-
- if (kn->iattr) {
- simple_xattrs_free(&kn->iattr->xattrs, NULL);
- kmem_cache_free(kernfs_iattrs_cache, kn->iattr);
- }
spin_lock(&kernfs_idr_lock);
idr_remove(&root->ino_idr, (u32)kernfs_ino(kn));
spin_unlock(&kernfs_idr_lock);
- kmem_cache_free(kernfs_node_cache, kn);
+
+ call_rcu(&kn->rcu, kernfs_free_rcu);
kn = parent;
if (kn) {
@@ -575,7 +584,7 @@ void kernfs_put(struct kernfs_node *kn)
} else {
/* just released the root kn, free @root too */
idr_destroy(&root->ino_idr);
- kfree(root);
+ kfree_rcu(root, rcu);
}
}
EXPORT_SYMBOL_GPL(kernfs_put);
@@ -715,7 +724,7 @@ struct kernfs_node *kernfs_find_and_get_node_by_id(struct kernfs_root *root,
ino_t ino = kernfs_id_ino(id);
u32 gen = kernfs_id_gen(id);
- spin_lock(&kernfs_idr_lock);
+ rcu_read_lock();
kn = idr_find(&root->ino_idr, (u32)ino);
if (!kn)
@@ -739,10 +748,10 @@ struct kernfs_node *kernfs_find_and_get_node_by_id(struct kernfs_root *root,
if (unlikely(!__kernfs_active(kn) || !atomic_inc_not_zero(&kn->count)))
goto err_unlock;
- spin_unlock(&kernfs_idr_lock);
+ rcu_read_unlock();
return kn;
err_unlock:
- spin_unlock(&kernfs_idr_lock);
+ rcu_read_unlock();
return NULL;
}
diff --git a/fs/kernfs/kernfs-internal.h b/fs/kernfs/kernfs-internal.h
index 237f2764b9412..b42ee6547cdc1 100644
--- a/fs/kernfs/kernfs-internal.h
+++ b/fs/kernfs/kernfs-internal.h
@@ -49,6 +49,8 @@ struct kernfs_root {
struct rw_semaphore kernfs_rwsem;
struct rw_semaphore kernfs_iattr_rwsem;
struct rw_semaphore kernfs_supers_rwsem;
+
+ struct rcu_head rcu;
};
/* +1 to avoid triggering overflow warning when negating it */
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 82e1ce79a70c3..87c79d076d6d7 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -223,6 +223,8 @@ struct kernfs_node {
void *priv;
struct kernfs_iattrs *iattr;
+
+ struct rcu_head rcu;
};
/*
--
GitLab
From 05d8f255867e3196565bb31a911a437697fab094 Mon Sep 17 00:00:00 2001
From: Neel Natu <neelnatu@google.com>
Date: Sat, 27 Jan 2024 15:46:36 -0800
Subject: [PATCH 0281/2686] kernfs: fix false-positive WARN(nr_mmapped) in
kernfs_drain_open_files
Prior to this change 'on->nr_mmapped' tracked the total number of
mmaps across all of its associated open files via kernfs_fop_mmap().
Thus if the file descriptor associated with a kernfs_open_file was
mmapped 10 times then we would have: 'of->mmapped = true' and
'of_on(of)->nr_mmapped = 10'.
The problem is that closing or draining a 'of->mmapped' file would
only decrement one from the 'of_on(of)->nr_mmapped' counter.
For e.g. we have this from kernfs_unlink_open_file():
if (of->mmapped)
on->nr_mmapped--;
The WARN_ON_ONCE(on->nr_mmapped) in kernfs_drain_open_files() is
easy to reproduce by:
1. opening a (mmap-able) kernfs file.
2. mmap-ing that file more than once (mapping just once masks the issue).
3. trigger a drain of that kernfs file.
Modulo out-of-tree patches I was able to trigger this reliably by
identifying pci device nodes in sysfs that have resource regions
that are mmap-able and that don't have any driver attached to them
(steps 1 and 2). For step 3 we can "echo 1 > remove" to trigger a
kernfs_drain.
Signed-off-by: Neel Natu <neelnatu@google.com>
Link: https://lore.kernel.org/r/20240127234636.609265-1-neelnatu@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/kernfs/file.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c
index ffa4565c275a7..e9df2f87072c6 100644
--- a/fs/kernfs/file.c
+++ b/fs/kernfs/file.c
@@ -483,9 +483,11 @@ static int kernfs_fop_mmap(struct file *file, struct vm_area_struct *vma)
goto out_put;
rc = 0;
- of->mmapped = true;
- of_on(of)->nr_mmapped++;
- of->vm_ops = vma->vm_ops;
+ if (!of->mmapped) {
+ of->mmapped = true;
+ of_on(of)->nr_mmapped++;
+ of->vm_ops = vma->vm_ops;
+ }
vma->vm_ops = &kernfs_vm_ops;
out_put:
kernfs_put_active(of->kn);
--
GitLab
From 3a480d4bb5b1e1f09426223e68acaa90da32e384 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Fri, 5 Jan 2024 11:26:48 +0100
Subject: [PATCH 0282/2686] driver core: cpu: make cpu_subsys const
Now that the driver core can properly handle constant struct bus_type,
move the cpu_subsys variable to be a constant structure as well, placing
it into read-only memory which can not be modified at runtime.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/2024010548-crane-snooze-a871@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/cpu.c | 2 +-
include/linux/cpu.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 47de0f140ba65..ac84854c85d7b 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -366,7 +366,7 @@ static int cpu_uevent(const struct device *dev, struct kobj_uevent_env *env)
}
#endif
-struct bus_type cpu_subsys = {
+const struct bus_type cpu_subsys = {
.name = "cpu",
.dev_name = "cpu",
.match = cpu_subsys_match,
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index dcb89c9871640..0b993a1409467 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -128,7 +128,7 @@ static inline void cpu_maps_update_done(void)
static inline int add_cpu(unsigned int cpu) { return 0;}
#endif /* CONFIG_SMP */
-extern struct bus_type cpu_subsys;
+extern const struct bus_type cpu_subsys;
extern int lockdep_is_cpus_held(void);
--
GitLab
From f297a3844aa059c53be3f69be85ebc071b8a6d16 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sat, 6 Jan 2024 21:57:50 -0800
Subject: [PATCH 0283/2686] driver core: component: fix spellos
Correct spelling mistakes reported by codespell.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: dri-devel@lists.freedesktop.org
Link: https://lore.kernel.org/r/20240107055750.22441-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/component.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/base/component.c b/drivers/base/component.c
index 7dbf14a1d9157..741497324d78a 100644
--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -751,7 +751,7 @@ static int __component_add(struct device *dev, const struct component_ops *ops,
* component_bind_all(). See also &struct component_ops.
*
* @subcomponent must be nonzero and is used to differentiate between multiple
- * components registerd on the same device @dev. These components are match
+ * components registered on the same device @dev. These components are match
* using component_match_add_typed().
*
* The component needs to be unregistered at driver unload/disconnect by
@@ -781,7 +781,7 @@ EXPORT_SYMBOL_GPL(component_add_typed);
* The component needs to be unregistered at driver unload/disconnect by
* calling component_del().
*
- * See also component_add_typed() for a variant that allows multipled different
+ * See also component_add_typed() for a variant that allows multiple different
* components on the same device.
*/
int component_add(struct device *dev, const struct component_ops *ops)
--
GitLab
From 1c9a697bc9b2f77bf6b9efef63d49a72580990e9 Mon Sep 17 00:00:00 2001
From: Ian Abbott <abbotti@mev.co.uk>
Date: Fri, 19 Jan 2024 13:20:17 +0000
Subject: [PATCH 0284/2686] misc: hpilo: fix inconsistent device numbers
Each iLO device is allocated `max_ccb` minor device numbers (one for
each channel). When `ilo_probe()` calls `device_create()` in a loop,
the minor device numbers passed to `device_create()` start at 0. For
consistency with the call to `cdev_add()`, and for consistency with the
calls to `device_destroy()` from `ilo_remove()`, the minor device
numbers passed to `device_create()` should start at the value in the
variable `start`. Fix it.
This is a logical bug rather than an actual bug, because the number of
supported devices is `MAX_ILO_DEV` which is defined as `1`.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20240119132032.106053-2-abbotti@mev.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/hpilo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/hpilo.c b/drivers/misc/hpilo.c
index f1b74d3f89586..3428a0bd55505 100644
--- a/drivers/misc/hpilo.c
+++ b/drivers/misc/hpilo.c
@@ -842,7 +842,7 @@ static int ilo_probe(struct pci_dev *pdev,
for (minor = 0 ; minor < max_ccb; minor++) {
struct device *dev;
dev = device_create(&ilo_class, &pdev->dev,
- MKDEV(ilo_major, minor), NULL,
+ MKDEV(ilo_major, start + minor), NULL,
"hpilo!d%dccb%d", devnum, minor);
if (IS_ERR(dev))
dev_err(&pdev->dev, "Could not create files\n");
--
GitLab
From 9d5043d93d2e27413b84c7909a6fa8565f1a84dd Mon Sep 17 00:00:00 2001
From: Ian Abbott <abbotti@mev.co.uk>
Date: Fri, 19 Jan 2024 13:20:18 +0000
Subject: [PATCH 0285/2686] misc: hpilo: rename device creation loop variable
In `ilo_probe()`, the loop variable `minor` isn't really the minor
device number, it's the channel or slot number. Rename it to `slot` for
consistency.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20240119132032.106053-3-abbotti@mev.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/hpilo.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/misc/hpilo.c b/drivers/misc/hpilo.c
index 3428a0bd55505..04bd34c8c5069 100644
--- a/drivers/misc/hpilo.c
+++ b/drivers/misc/hpilo.c
@@ -770,7 +770,7 @@ static void ilo_remove(struct pci_dev *pdev)
static int ilo_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
- int devnum, minor, start, error = 0;
+ int devnum, slot, start, error = 0;
struct ilo_hwinfo *ilo_hw;
if (pci_match_id(ilo_blacklist, pdev)) {
@@ -839,11 +839,11 @@ static int ilo_probe(struct pci_dev *pdev,
goto remove_isr;
}
- for (minor = 0 ; minor < max_ccb; minor++) {
+ for (slot = 0; slot < max_ccb; slot++) {
struct device *dev;
dev = device_create(&ilo_class, &pdev->dev,
- MKDEV(ilo_major, start + minor), NULL,
- "hpilo!d%dccb%d", devnum, minor);
+ MKDEV(ilo_major, start + slot), NULL,
+ "hpilo!d%dccb%d", devnum, slot);
if (IS_ERR(dev))
dev_err(&pdev->dev, "Could not create files\n");
}
--
GitLab
From 0e59f01d7c6820957d28ca252f8da4041d12b6da Mon Sep 17 00:00:00 2001
From: Vitaly Lubart <vitaly.lubart@intel.com>
Date: Tue, 23 Jan 2024 12:16:21 +0200
Subject: [PATCH 0286/2686] mei: gsc: add support for auxiliary device created
by Xe driver
Add support for gsc mei auxiliary device created by Xe driver
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Vitaly Lubart <vitaly.lubart@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20240123101625.220365-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/gsc-me.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/misc/mei/gsc-me.c b/drivers/misc/mei/gsc-me.c
index 6be8f1cc052c1..9e558ec2ea1d5 100644
--- a/drivers/misc/mei/gsc-me.c
+++ b/drivers/misc/mei/gsc-me.c
@@ -292,6 +292,10 @@ static const struct auxiliary_device_id mei_gsc_id_table[] = {
.name = "i915.mei-gscfi",
.driver_data = MEI_ME_GSCFI_CFG,
},
+ {
+ .name = "xe.mei-gscfi",
+ .driver_data = MEI_ME_GSCFI_CFG,
+ },
{
/* sentinel */
}
@@ -312,5 +316,6 @@ module_auxiliary_driver(mei_gsc_driver);
MODULE_AUTHOR("Intel Corporation");
MODULE_ALIAS("auxiliary:i915.mei-gsc");
MODULE_ALIAS("auxiliary:i915.mei-gscfi");
+MODULE_ALIAS("auxiliary:xe.mei-gscfi");
MODULE_DESCRIPTION("Intel(R) Graphics System Controller");
MODULE_LICENSE("GPL");
--
GitLab
From 6244a8b6e3fc39f6d78911b4e8e0f595be1101b4 Mon Sep 17 00:00:00 2001
From: Alexander Usyskin <alexander.usyskin@intel.com>
Date: Tue, 23 Jan 2024 12:16:22 +0200
Subject: [PATCH 0287/2686] mei: hdcp: match without driver name
Xe driver uses this component too, but current match function
matches by i915 driver name.
Remove dependency on i915 driver name in component_match function.
Use PCI header information to match Intel graphics device.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20240123101625.220365-2-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/hdcp/mei_hdcp.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c
index 51359cc5ece9a..f8759a6c9ed33 100644
--- a/drivers/misc/mei/hdcp/mei_hdcp.c
+++ b/drivers/misc/mei/hdcp/mei_hdcp.c
@@ -17,6 +17,7 @@
*/
#include <linux/module.h>
+#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/mei.h>
#include <linux/mei_cl_bus.h>
@@ -781,9 +782,18 @@ static int mei_hdcp_component_match(struct device *dev, int subcomponent,
void *data)
{
struct device *base = data;
+ struct pci_dev *pdev;
- if (!dev->driver || strcmp(dev->driver->name, "i915") ||
- subcomponent != I915_COMPONENT_HDCP)
+ if (!dev_is_pci(dev))
+ return 0;
+
+ pdev = to_pci_dev(dev);
+
+ if (pdev->class != (PCI_CLASS_DISPLAY_VGA << 8) ||
+ pdev->vendor != PCI_VENDOR_ID_INTEL)
+ return 0;
+
+ if (subcomponent != I915_COMPONENT_HDCP)
return 0;
base = base->parent;
--
GitLab
From ceeedd951f8a70c43a486a21149fa9268746567b Mon Sep 17 00:00:00 2001
From: Alexander Usyskin <alexander.usyskin@intel.com>
Date: Tue, 23 Jan 2024 12:16:23 +0200
Subject: [PATCH 0288/2686] mei: pxp: match without driver name
Xe driver uses this component too, but current match function
matches by i915 driver name.
Remove dependency on i915 driver name in component_match function.
Use PCI header information to match Intel graphics device.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20240123101625.220365-3-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/pxp/mei_pxp.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/mei/pxp/mei_pxp.c b/drivers/misc/mei/pxp/mei_pxp.c
index 787c6a27a4be6..b1e4c23b31a32 100644
--- a/drivers/misc/mei/pxp/mei_pxp.c
+++ b/drivers/misc/mei/pxp/mei_pxp.c
@@ -13,6 +13,7 @@
#include <linux/delay.h>
#include <linux/module.h>
+#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/mei.h>
#include <linux/mei_cl_bus.h>
@@ -225,12 +226,21 @@ static int mei_pxp_component_match(struct device *dev, int subcomponent,
void *data)
{
struct device *base = data;
+ struct pci_dev *pdev;
if (!dev)
return 0;
- if (!dev->driver || strcmp(dev->driver->name, "i915") ||
- subcomponent != I915_COMPONENT_PXP)
+ if (!dev_is_pci(dev))
+ return 0;
+
+ pdev = to_pci_dev(dev);
+
+ if (pdev->class != (PCI_CLASS_DISPLAY_VGA << 8) ||
+ pdev->vendor != PCI_VENDOR_ID_INTEL)
+ return 0;
+
+ if (subcomponent != I915_COMPONENT_PXP)
return 0;
base = base->parent;
--
GitLab
From d35e28b565692ad05640f664687af59cc52ed435 Mon Sep 17 00:00:00 2001
From: Alexander Usyskin <alexander.usyskin@intel.com>
Date: Tue, 23 Jan 2024 12:16:24 +0200
Subject: [PATCH 0289/2686] mei: hdcp: add dependency on Xe driver
Optionally depend on either i915 or Xe drivers.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20240123101625.220365-4-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/hdcp/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/mei/hdcp/Kconfig b/drivers/misc/mei/hdcp/Kconfig
index 9be312ec798de..631dd9651d7c9 100644
--- a/drivers/misc/mei/hdcp/Kconfig
+++ b/drivers/misc/mei/hdcp/Kconfig
@@ -4,7 +4,7 @@
config INTEL_MEI_HDCP
tristate "Intel HDCP2.2 services of ME Interface"
depends on INTEL_MEI_ME
- depends on DRM_I915
+ depends on DRM_I915 || DRM_XE
help
MEI Support for HDCP2.2 Services on Intel platforms.
--
GitLab
From 390b60f7638a8755beee22f83a5fbe54fdc9831d Mon Sep 17 00:00:00 2001
From: Alexander Usyskin <alexander.usyskin@intel.com>
Date: Tue, 23 Jan 2024 12:16:25 +0200
Subject: [PATCH 0290/2686] mei: pxp: add dependency on Xe driver
Optionally depend on either i915 or Xe drivers.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20240123101625.220365-5-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/pxp/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/mei/pxp/Kconfig b/drivers/misc/mei/pxp/Kconfig
index e9219b61cd92f..aa2dece4a927a 100644
--- a/drivers/misc/mei/pxp/Kconfig
+++ b/drivers/misc/mei/pxp/Kconfig
@@ -4,7 +4,7 @@
config INTEL_MEI_PXP
tristate "Intel PXP services of ME Interface"
depends on INTEL_MEI_ME
- depends on DRM_I915
+ depends on DRM_I915 || DRM_XE
help
MEI Support for PXP Services on Intel platforms.
--
GitLab
From 47878b451216cf5e5a23bb3f931a9f932464e93d Mon Sep 17 00:00:00 2001
From: Adam Skladowski <a39.skl@gmail.com>
Date: Wed, 20 Dec 2023 11:38:49 +0100
Subject: [PATCH 0291/2686] dt-bindings: interconnect: Add Qualcomm MSM8909 DT
bindings
Add bindings for Qualcomm MSM8909 Network-On-Chip interconnect devices.
[Stephan: Drop separate mm-snoc that exists downstream since it's
actually the same NoC as SNoC in hardware]
Signed-off-by: Adam Skladowski <a39.skl@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com>
Link: https://lore.kernel.org/r/20231220-icc-msm8909-v2-1-3b68bbed2891@kernkonzept.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
.../bindings/interconnect/qcom,rpm.yaml | 3 +
.../dt-bindings/interconnect/qcom,msm8909.h | 93 +++++++++++++++++++
2 files changed, 96 insertions(+)
create mode 100644 include/dt-bindings/interconnect/qcom,msm8909.h
diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml
index 08c1c6b9d7cf8..5aaa92a7cef7c 100644
--- a/Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml
+++ b/Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml
@@ -23,6 +23,9 @@ properties:
compatible:
enum:
+ - qcom,msm8909-bimc
+ - qcom,msm8909-pcnoc
+ - qcom,msm8909-snoc
- qcom,msm8916-bimc
- qcom,msm8916-pcnoc
- qcom,msm8916-snoc
diff --git a/include/dt-bindings/interconnect/qcom,msm8909.h b/include/dt-bindings/interconnect/qcom,msm8909.h
new file mode 100644
index 0000000000000..76365d8aec217
--- /dev/null
+++ b/include/dt-bindings/interconnect/qcom,msm8909.h
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Qualcomm MSM8909 interconnect IDs
+ */
+
+#ifndef __DT_BINDINGS_INTERCONNECT_QCOM_MSM8909_H
+#define __DT_BINDINGS_INTERCONNECT_QCOM_MSM8909_H
+
+/* BIMC fabric */
+#define MAS_APPS_PROC 0
+#define MAS_OXILI 1
+#define MAS_SNOC_BIMC_0 2
+#define MAS_SNOC_BIMC_1 3
+#define MAS_TCU_0 4
+#define MAS_TCU_1 5
+#define SLV_EBI 6
+#define SLV_BIMC_SNOC 7
+
+/* PCNOC fabric */
+#define MAS_AUDIO 0
+#define MAS_SPDM 1
+#define MAS_DEHR 2
+#define MAS_QPIC 3
+#define MAS_BLSP_1 4
+#define MAS_USB_HS 5
+#define MAS_CRYPTO 6
+#define MAS_SDCC_1 7
+#define MAS_SDCC_2 8
+#define MAS_SNOC_PCNOC 9
+#define PCNOC_M_0 10
+#define PCNOC_M_1 11
+#define PCNOC_INT_0 12
+#define PCNOC_INT_1 13
+#define PCNOC_S_0 14
+#define PCNOC_S_1 15
+#define PCNOC_S_2 16
+#define PCNOC_S_3 17
+#define PCNOC_S_4 18
+#define PCNOC_S_5 19
+#define PCNOC_S_7 20
+#define SLV_TCSR 21
+#define SLV_SDCC_1 22
+#define SLV_BLSP_1 23
+#define SLV_CRYPTO_0_CFG 24
+#define SLV_MESSAGE_RAM 25
+#define SLV_PDM 26
+#define SLV_PRNG 27
+#define SLV_USB_HS 28
+#define SLV_QPIC 29
+#define SLV_SPDM 30
+#define SLV_SDCC_2 31
+#define SLV_AUDIO 32
+#define SLV_DEHR_CFG 33
+#define SLV_SNOC_CFG 34
+#define SLV_QDSS_CFG 35
+#define SLV_USB_PHY 36
+#define SLV_CAMERA_SS_CFG 37
+#define SLV_DISP_SS_CFG 38
+#define SLV_VENUS_CFG 39
+#define SLV_TLMM 40
+#define SLV_GPU_CFG 41
+#define SLV_IMEM_CFG 42
+#define SLV_BIMC_CFG 43
+#define SLV_PMIC_ARB 44
+#define SLV_TCU 45
+#define SLV_PCNOC_SNOC 46
+
+/* SNOC fabric */
+#define MAS_QDSS_BAM 0
+#define MAS_BIMC_SNOC 1
+#define MAS_MDP 2
+#define MAS_PCNOC_SNOC 3
+#define MAS_VENUS 4
+#define MAS_VFE 5
+#define MAS_QDSS_ETR 6
+#define MM_INT_0 7
+#define MM_INT_1 8
+#define MM_INT_2 9
+#define MM_INT_BIMC 10
+#define QDSS_INT 11
+#define SNOC_INT_0 12
+#define SNOC_INT_1 13
+#define SNOC_INT_BIMC 14
+#define SLV_KPSS_AHB 15
+#define SLV_SNOC_BIMC_0 16
+#define SLV_SNOC_BIMC_1 17
+#define SLV_IMEM 18
+#define SLV_SNOC_PCNOC 19
+#define SLV_QDSS_STM 20
+#define SLV_CATS_0 21
+#define SLV_CATS_1 22
+
+#endif /* __DT_BINDINGS_INTERCONNECT_QCOM_MSM8909_H */
--
GitLab
From 1cef9f2d1ef8ccdf7414a39e054852b66376b631 Mon Sep 17 00:00:00 2001
From: Adam Skladowski <a39.skl@gmail.com>
Date: Wed, 20 Dec 2023 11:38:50 +0100
Subject: [PATCH 0292/2686] interconnect: qcom: Add MSM8909 interconnect
provider driver
Add driver for interconnect busses found in MSM8909 based platforms.
The topology consists of three NoCs that are partially controlled by
a RPM processor.
In the downstream/vendor kernel from Qualcomm there is an additional
"mm-snoc". However, it actually ends up using the same RPM "snoc_clk"
as the normal "snoc". It looks like this is actually the same NoC
in hardware and the "mm-snoc" was only defined to assign a different
"qcom,util-fact" to increase bandwidth requests by a static margin.
In mainline we can represent this by assigning the equivalent "ab_coeff"
to all the nodes that are part of "mm-snoc" downstream.
Signed-off-by: Adam Skladowski <a39.skl@gmail.com>
[Stephan: Drop separate mm-snoc that exists downstream since it's
actually the same NoC as SNoC in hardware, add qos_offset for BIMC,
add ab_coeff for mm-snoc nodes and BIMC]
Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231220-icc-msm8909-v2-2-3b68bbed2891@kernkonzept.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
drivers/interconnect/qcom/Kconfig | 9 +
drivers/interconnect/qcom/Makefile | 2 +
drivers/interconnect/qcom/msm8909.c | 1329 +++++++++++++++++++++++++++
3 files changed, 1340 insertions(+)
create mode 100644 drivers/interconnect/qcom/msm8909.c
diff --git a/drivers/interconnect/qcom/Kconfig b/drivers/interconnect/qcom/Kconfig
index 697f96c49f6f4..48b1d5434cd03 100644
--- a/drivers/interconnect/qcom/Kconfig
+++ b/drivers/interconnect/qcom/Kconfig
@@ -8,6 +8,15 @@ config INTERCONNECT_QCOM
config INTERCONNECT_QCOM_BCM_VOTER
tristate
+config INTERCONNECT_QCOM_MSM8909
+ tristate "Qualcomm MSM8909 interconnect driver"
+ depends on INTERCONNECT_QCOM
+ depends on QCOM_SMD_RPM
+ select INTERCONNECT_QCOM_SMD_RPM
+ help
+ This is a driver for the Qualcomm Network-on-Chip on msm8909-based
+ platforms.
+
config INTERCONNECT_QCOM_MSM8916
tristate "Qualcomm MSM8916 interconnect driver"
depends on INTERCONNECT_QCOM
diff --git a/drivers/interconnect/qcom/Makefile b/drivers/interconnect/qcom/Makefile
index 7048461650221..83a3c1fc8155b 100644
--- a/drivers/interconnect/qcom/Makefile
+++ b/drivers/interconnect/qcom/Makefile
@@ -4,6 +4,7 @@ obj-$(CONFIG_INTERCONNECT_QCOM) += interconnect_qcom.o
interconnect_qcom-y := icc-common.o
icc-bcm-voter-objs := bcm-voter.o
+qnoc-msm8909-objs := msm8909.o
qnoc-msm8916-objs := msm8916.o
qnoc-msm8939-objs := msm8939.o
qnoc-msm8974-objs := msm8974.o
@@ -36,6 +37,7 @@ qnoc-x1e80100-objs := x1e80100.o
icc-smd-rpm-objs := smd-rpm.o icc-rpm.o icc-rpm-clocks.o
obj-$(CONFIG_INTERCONNECT_QCOM_BCM_VOTER) += icc-bcm-voter.o
+obj-$(CONFIG_INTERCONNECT_QCOM_MSM8909) += qnoc-msm8909.o
obj-$(CONFIG_INTERCONNECT_QCOM_MSM8916) += qnoc-msm8916.o
obj-$(CONFIG_INTERCONNECT_QCOM_MSM8939) += qnoc-msm8939.o
obj-$(CONFIG_INTERCONNECT_QCOM_MSM8974) += qnoc-msm8974.o
diff --git a/drivers/interconnect/qcom/msm8909.c b/drivers/interconnect/qcom/msm8909.c
new file mode 100644
index 0000000000000..23b1a818d7747
--- /dev/null
+++ b/drivers/interconnect/qcom/msm8909.c
@@ -0,0 +1,1329 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Based on data from msm8909-bus.dtsi in Qualcomm's msm-3.18 release:
+ * Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/device.h>
+#include <linux/interconnect-provider.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/interconnect/qcom,msm8909.h>
+
+#include "icc-rpm.h"
+
+enum {
+ QNOC_MASTER_AMPSS_M0 = 1,
+ QNOC_MASTER_GRAPHICS_3D,
+ QNOC_SNOC_BIMC_0_MAS,
+ QNOC_SNOC_BIMC_1_MAS,
+ QNOC_MASTER_TCU_0,
+ QNOC_MASTER_TCU_1,
+ QNOC_MASTER_AUDIO,
+ QNOC_MASTER_SPDM,
+ QNOC_MASTER_DEHR,
+ QNOC_MASTER_QPIC,
+ QNOC_MASTER_BLSP_1,
+ QNOC_MASTER_USB_HS,
+ QNOC_MASTER_CRYPTO_CORE0,
+ QNOC_MASTER_SDCC_1,
+ QNOC_MASTER_SDCC_2,
+ QNOC_SNOC_PNOC_MAS,
+ QNOC_MASTER_QDSS_BAM,
+ QNOC_BIMC_SNOC_MAS,
+ QNOC_MASTER_MDP_PORT0,
+ QNOC_PNOC_SNOC_MAS,
+ QNOC_MASTER_VIDEO_P0,
+ QNOC_MASTER_VFE,
+ QNOC_MASTER_QDSS_ETR,
+ QNOC_PNOC_M_0,
+ QNOC_PNOC_M_1,
+ QNOC_PNOC_INT_0,
+ QNOC_PNOC_INT_1,
+ QNOC_PNOC_SLV_0,
+ QNOC_PNOC_SLV_1,
+ QNOC_PNOC_SLV_2,
+ QNOC_PNOC_SLV_3,
+ QNOC_PNOC_SLV_4,
+ QNOC_PNOC_SLV_5,
+ QNOC_PNOC_SLV_7,
+ QNOC_SNOC_MM_INT_0,
+ QNOC_SNOC_MM_INT_1,
+ QNOC_SNOC_MM_INT_2,
+ QNOC_SNOC_MM_INT_BIMC,
+ QNOC_SNOC_QDSS_INT,
+ QNOC_SNOC_INT_0,
+ QNOC_SNOC_INT_1,
+ QNOC_SNOC_INT_BIMC,
+ QNOC_SLAVE_EBI_CH0,
+ QNOC_BIMC_SNOC_SLV,
+ QNOC_SLAVE_TCSR,
+ QNOC_SLAVE_SDCC_1,
+ QNOC_SLAVE_BLSP_1,
+ QNOC_SLAVE_CRYPTO_0_CFG,
+ QNOC_SLAVE_MESSAGE_RAM,
+ QNOC_SLAVE_PDM,
+ QNOC_SLAVE_PRNG,
+ QNOC_SLAVE_USB_HS,
+ QNOC_SLAVE_QPIC,
+ QNOC_SLAVE_SPDM,
+ QNOC_SLAVE_SDCC_2,
+ QNOC_SLAVE_AUDIO,
+ QNOC_SLAVE_DEHR_CFG,
+ QNOC_SLAVE_SNOC_CFG,
+ QNOC_SLAVE_QDSS_CFG,
+ QNOC_SLAVE_USB_PHYS_CFG,
+ QNOC_SLAVE_CAMERA_CFG,
+ QNOC_SLAVE_DISPLAY_CFG,
+ QNOC_SLAVE_VENUS_CFG,
+ QNOC_SLAVE_TLMM,
+ QNOC_SLAVE_GRAPHICS_3D_CFG,
+ QNOC_SLAVE_IMEM_CFG,
+ QNOC_SLAVE_BIMC_CFG,
+ QNOC_SLAVE_PMIC_ARB,
+ QNOC_SLAVE_TCU,
+ QNOC_PNOC_SNOC_SLV,
+ QNOC_SLAVE_APPSS,
+ QNOC_SNOC_BIMC_0_SLV,
+ QNOC_SNOC_BIMC_1_SLV,
+ QNOC_SLAVE_SYSTEM_IMEM,
+ QNOC_SNOC_PNOC_SLV,
+ QNOC_SLAVE_QDSS_STM,
+ QNOC_SLAVE_CATS_128,
+ QNOC_SLAVE_OCMEM_64,
+};
+
+static const u16 mas_apps_proc_links[] = {
+ QNOC_BIMC_SNOC_SLV,
+ QNOC_SLAVE_EBI_CH0
+};
+
+static struct qcom_icc_node mas_apps_proc = {
+ .name = "mas_apps_proc",
+ .id = QNOC_MASTER_AMPSS_M0,
+ .buswidth = 8,
+ .mas_rpm_id = 0,
+ .slv_rpm_id = -1,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_FIXED,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 0,
+ .num_links = ARRAY_SIZE(mas_apps_proc_links),
+ .links = mas_apps_proc_links,
+};
+
+static const u16 mas_oxili_links[] = {
+ QNOC_BIMC_SNOC_SLV,
+ QNOC_SLAVE_EBI_CH0
+};
+
+static struct qcom_icc_node mas_oxili = {
+ .name = "mas_oxili",
+ .id = QNOC_MASTER_GRAPHICS_3D,
+ .buswidth = 8,
+ .mas_rpm_id = 6,
+ .slv_rpm_id = -1,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_FIXED,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 2,
+ .num_links = ARRAY_SIZE(mas_oxili_links),
+ .links = mas_oxili_links,
+};
+
+static const u16 mas_snoc_bimc_0_links[] = {
+ QNOC_SLAVE_EBI_CH0
+};
+
+static struct qcom_icc_node mas_snoc_bimc_0 = {
+ .name = "mas_snoc_bimc_0",
+ .id = QNOC_SNOC_BIMC_0_MAS,
+ .buswidth = 8,
+ .mas_rpm_id = 3,
+ .slv_rpm_id = -1,
+ .qos.qos_mode = NOC_QOS_MODE_BYPASS,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 3,
+ .num_links = ARRAY_SIZE(mas_snoc_bimc_0_links),
+ .links = mas_snoc_bimc_0_links,
+};
+
+static const u16 mas_snoc_bimc_1_links[] = {
+ QNOC_SLAVE_EBI_CH0
+};
+
+static struct qcom_icc_node mas_snoc_bimc_1 = {
+ .name = "mas_snoc_bimc_1",
+ .id = QNOC_SNOC_BIMC_1_MAS,
+ .buswidth = 8,
+ .mas_rpm_id = 76,
+ .slv_rpm_id = -1,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_BYPASS,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 4,
+ .num_links = ARRAY_SIZE(mas_snoc_bimc_1_links),
+ .links = mas_snoc_bimc_1_links,
+};
+
+static const u16 mas_tcu_0_links[] = {
+ QNOC_BIMC_SNOC_SLV,
+ QNOC_SLAVE_EBI_CH0
+};
+
+static struct qcom_icc_node mas_tcu_0 = {
+ .name = "mas_tcu_0",
+ .id = QNOC_MASTER_TCU_0,
+ .buswidth = 8,
+ .mas_rpm_id = 102,
+ .slv_rpm_id = -1,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_FIXED,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 2,
+ .qos.qos_port = 5,
+ .num_links = ARRAY_SIZE(mas_tcu_0_links),
+ .links = mas_tcu_0_links,
+};
+
+static const u16 mas_tcu_1_links[] = {
+ QNOC_BIMC_SNOC_SLV,
+ QNOC_SLAVE_EBI_CH0
+};
+
+static struct qcom_icc_node mas_tcu_1 = {
+ .name = "mas_tcu_1",
+ .id = QNOC_MASTER_TCU_1,
+ .buswidth = 8,
+ .mas_rpm_id = 103,
+ .slv_rpm_id = -1,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_FIXED,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 2,
+ .qos.qos_port = 6,
+ .num_links = ARRAY_SIZE(mas_tcu_1_links),
+ .links = mas_tcu_1_links,
+};
+
+static const u16 mas_audio_links[] = {
+ QNOC_PNOC_M_0
+};
+
+static struct qcom_icc_node mas_audio = {
+ .name = "mas_audio",
+ .id = QNOC_MASTER_AUDIO,
+ .buswidth = 4,
+ .mas_rpm_id = 78,
+ .slv_rpm_id = -1,
+ .num_links = ARRAY_SIZE(mas_audio_links),
+ .links = mas_audio_links,
+};
+
+static const u16 mas_spdm_links[] = {
+ QNOC_PNOC_M_0
+};
+
+static struct qcom_icc_node mas_spdm = {
+ .name = "mas_spdm",
+ .id = QNOC_MASTER_SPDM,
+ .buswidth = 4,
+ .mas_rpm_id = 50,
+ .slv_rpm_id = -1,
+ .num_links = ARRAY_SIZE(mas_spdm_links),
+ .links = mas_spdm_links,
+};
+
+static const u16 mas_dehr_links[] = {
+ QNOC_PNOC_M_0
+};
+
+static struct qcom_icc_node mas_dehr = {
+ .name = "mas_dehr",
+ .id = QNOC_MASTER_DEHR,
+ .buswidth = 4,
+ .mas_rpm_id = 48,
+ .slv_rpm_id = -1,
+ .num_links = ARRAY_SIZE(mas_dehr_links),
+ .links = mas_dehr_links,
+};
+
+static const u16 mas_qpic_links[] = {
+ QNOC_PNOC_M_0
+};
+
+static struct qcom_icc_node mas_qpic = {
+ .name = "mas_qpic",
+ .id = QNOC_MASTER_QPIC,
+ .buswidth = 4,
+ .mas_rpm_id = 58,
+ .slv_rpm_id = -1,
+ .num_links = ARRAY_SIZE(mas_qpic_links),
+ .links = mas_qpic_links,
+};
+
+static const u16 mas_blsp_1_links[] = {
+ QNOC_PNOC_M_1
+};
+
+static struct qcom_icc_node mas_blsp_1 = {
+ .name = "mas_blsp_1",
+ .id = QNOC_MASTER_BLSP_1,
+ .buswidth = 4,
+ .mas_rpm_id = 41,
+ .slv_rpm_id = -1,
+ .num_links = ARRAY_SIZE(mas_blsp_1_links),
+ .links = mas_blsp_1_links,
+};
+
+static const u16 mas_usb_hs_links[] = {
+ QNOC_PNOC_M_1
+};
+
+static struct qcom_icc_node mas_usb_hs = {
+ .name = "mas_usb_hs",
+ .id = QNOC_MASTER_USB_HS,
+ .buswidth = 4,
+ .mas_rpm_id = 42,
+ .slv_rpm_id = -1,
+ .num_links = ARRAY_SIZE(mas_usb_hs_links),
+ .links = mas_usb_hs_links,
+};
+
+static const u16 mas_crypto_links[] = {
+ QNOC_PNOC_INT_1
+};
+
+static struct qcom_icc_node mas_crypto = {
+ .name = "mas_crypto",
+ .id = QNOC_MASTER_CRYPTO_CORE0,
+ .buswidth = 8,
+ .mas_rpm_id = 23,
+ .slv_rpm_id = -1,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_FIXED,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 0,
+ .num_links = ARRAY_SIZE(mas_crypto_links),
+ .links = mas_crypto_links,
+};
+
+static const u16 mas_sdcc_1_links[] = {
+ QNOC_PNOC_INT_1
+};
+
+static struct qcom_icc_node mas_sdcc_1 = {
+ .name = "mas_sdcc_1",
+ .id = QNOC_MASTER_SDCC_1,
+ .buswidth = 8,
+ .mas_rpm_id = 33,
+ .slv_rpm_id = -1,
+ .qos.qos_mode = NOC_QOS_MODE_FIXED,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 7,
+ .num_links = ARRAY_SIZE(mas_sdcc_1_links),
+ .links = mas_sdcc_1_links,
+};
+
+static const u16 mas_sdcc_2_links[] = {
+ QNOC_PNOC_INT_1
+};
+
+static struct qcom_icc_node mas_sdcc_2 = {
+ .name = "mas_sdcc_2",
+ .id = QNOC_MASTER_SDCC_2,
+ .buswidth = 8,
+ .mas_rpm_id = 35,
+ .slv_rpm_id = -1,
+ .qos.qos_mode = NOC_QOS_MODE_FIXED,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 8,
+ .num_links = ARRAY_SIZE(mas_sdcc_2_links),
+ .links = mas_sdcc_2_links,
+};
+
+static const u16 mas_snoc_pcnoc_links[] = {
+ QNOC_PNOC_INT_0
+};
+
+static struct qcom_icc_node mas_snoc_pcnoc = {
+ .name = "mas_snoc_pcnoc",
+ .id = QNOC_SNOC_PNOC_MAS,
+ .buswidth = 8,
+ .mas_rpm_id = 77,
+ .slv_rpm_id = -1,
+ .qos.qos_mode = NOC_QOS_MODE_FIXED,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 9,
+ .num_links = ARRAY_SIZE(mas_snoc_pcnoc_links),
+ .links = mas_snoc_pcnoc_links,
+};
+
+static const u16 mas_qdss_bam_links[] = {
+ QNOC_SNOC_QDSS_INT
+};
+
+static struct qcom_icc_node mas_qdss_bam = {
+ .name = "mas_qdss_bam",
+ .id = QNOC_MASTER_QDSS_BAM,
+ .buswidth = 4,
+ .mas_rpm_id = 19,
+ .slv_rpm_id = -1,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_FIXED,
+ .qos.areq_prio = 1,
+ .qos.prio_level = 1,
+ .qos.qos_port = 11,
+ .num_links = ARRAY_SIZE(mas_qdss_bam_links),
+ .links = mas_qdss_bam_links,
+};
+
+static const u16 mas_bimc_snoc_links[] = {
+ QNOC_SNOC_INT_0,
+ QNOC_SNOC_INT_1
+};
+
+static struct qcom_icc_node mas_bimc_snoc = {
+ .name = "mas_bimc_snoc",
+ .id = QNOC_BIMC_SNOC_MAS,
+ .buswidth = 8,
+ .mas_rpm_id = 21,
+ .slv_rpm_id = -1,
+ .num_links = ARRAY_SIZE(mas_bimc_snoc_links),
+ .links = mas_bimc_snoc_links,
+};
+
+static const u16 mas_mdp_links[] = {
+ QNOC_SNOC_MM_INT_1,
+ QNOC_SNOC_MM_INT_2
+};
+
+static struct qcom_icc_node mas_mdp = {
+ .name = "mas_mdp",
+ .id = QNOC_MASTER_MDP_PORT0,
+ .buswidth = 16,
+ .mas_rpm_id = 8,
+ .slv_rpm_id = -1,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_BYPASS,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 7,
+ .num_links = ARRAY_SIZE(mas_mdp_links),
+ .links = mas_mdp_links,
+ .ab_coeff = 167,
+};
+
+static const u16 mas_pcnoc_snoc_links[] = {
+ QNOC_SNOC_INT_0,
+ QNOC_SNOC_INT_1,
+ QNOC_SNOC_INT_BIMC
+};
+
+static struct qcom_icc_node mas_pcnoc_snoc = {
+ .name = "mas_pcnoc_snoc",
+ .id = QNOC_PNOC_SNOC_MAS,
+ .buswidth = 8,
+ .mas_rpm_id = 29,
+ .slv_rpm_id = -1,
+ .qos.qos_mode = NOC_QOS_MODE_FIXED,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 5,
+ .num_links = ARRAY_SIZE(mas_pcnoc_snoc_links),
+ .links = mas_pcnoc_snoc_links,
+};
+
+static const u16 mas_venus_links[] = {
+ QNOC_SNOC_MM_INT_0,
+ QNOC_SNOC_MM_INT_2
+};
+
+static struct qcom_icc_node mas_venus = {
+ .name = "mas_venus",
+ .id = QNOC_MASTER_VIDEO_P0,
+ .buswidth = 16,
+ .mas_rpm_id = 9,
+ .slv_rpm_id = -1,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_BYPASS,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 8,
+ .num_links = ARRAY_SIZE(mas_venus_links),
+ .links = mas_venus_links,
+ .ab_coeff = 167,
+};
+
+static const u16 mas_vfe_links[] = {
+ QNOC_SNOC_MM_INT_1,
+ QNOC_SNOC_MM_INT_2
+};
+
+static struct qcom_icc_node mas_vfe = {
+ .name = "mas_vfe",
+ .id = QNOC_MASTER_VFE,
+ .buswidth = 16,
+ .mas_rpm_id = 11,
+ .slv_rpm_id = -1,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_BYPASS,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 9,
+ .num_links = ARRAY_SIZE(mas_vfe_links),
+ .links = mas_vfe_links,
+ .ab_coeff = 167,
+};
+
+static const u16 mas_qdss_etr_links[] = {
+ QNOC_SNOC_QDSS_INT
+};
+
+static struct qcom_icc_node mas_qdss_etr = {
+ .name = "mas_qdss_etr",
+ .id = QNOC_MASTER_QDSS_ETR,
+ .buswidth = 8,
+ .mas_rpm_id = 31,
+ .slv_rpm_id = -1,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_FIXED,
+ .qos.areq_prio = 1,
+ .qos.prio_level = 1,
+ .qos.qos_port = 10,
+ .num_links = ARRAY_SIZE(mas_qdss_etr_links),
+ .links = mas_qdss_etr_links,
+};
+
+static const u16 pcnoc_m_0_links[] = {
+ QNOC_PNOC_SNOC_SLV
+};
+
+static struct qcom_icc_node pcnoc_m_0 = {
+ .name = "pcnoc_m_0",
+ .id = QNOC_PNOC_M_0,
+ .buswidth = 8,
+ .mas_rpm_id = 87,
+ .slv_rpm_id = 116,
+ .qos.qos_mode = NOC_QOS_MODE_BYPASS,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 5,
+ .num_links = ARRAY_SIZE(pcnoc_m_0_links),
+ .links = pcnoc_m_0_links,
+};
+
+static const u16 pcnoc_m_1_links[] = {
+ QNOC_PNOC_SNOC_SLV
+};
+
+static struct qcom_icc_node pcnoc_m_1 = {
+ .name = "pcnoc_m_1",
+ .id = QNOC_PNOC_M_1,
+ .buswidth = 8,
+ .mas_rpm_id = 88,
+ .slv_rpm_id = 117,
+ .qos.qos_mode = NOC_QOS_MODE_FIXED,
+ .qos.areq_prio = 0,
+ .qos.prio_level = 0,
+ .qos.qos_port = 6,
+ .num_links = ARRAY_SIZE(pcnoc_m_1_links),
+ .links = pcnoc_m_1_links,
+};
+
+static const u16 pcnoc_int_0_links[] = {
+ QNOC_PNOC_SLV_3,
+ QNOC_PNOC_SLV_2,
+ QNOC_PNOC_SLV_1,
+ QNOC_PNOC_SLV_0,
+ QNOC_PNOC_SLV_7,
+ QNOC_PNOC_SLV_5,
+ QNOC_PNOC_SLV_4,
+ QNOC_SLAVE_TCU
+};
+
+static struct qcom_icc_node pcnoc_int_0 = {
+ .name = "pcnoc_int_0",
+ .id = QNOC_PNOC_INT_0,
+ .buswidth = 8,
+ .mas_rpm_id = 85,
+ .slv_rpm_id = 114,
+ .num_links = ARRAY_SIZE(pcnoc_int_0_links),
+ .links = pcnoc_int_0_links,
+};
+
+static const u16 pcnoc_int_1_links[] = {
+ QNOC_PNOC_SNOC_SLV
+};
+
+static struct qcom_icc_node pcnoc_int_1 = {
+ .name = "pcnoc_int_1",
+ .id = QNOC_PNOC_INT_1,
+ .buswidth = 8,
+ .mas_rpm_id = 86,
+ .slv_rpm_id = 115,
+ .num_links = ARRAY_SIZE(pcnoc_int_1_links),
+ .links = pcnoc_int_1_links,
+};
+
+static const u16 pcnoc_s_0_links[] = {
+ QNOC_SLAVE_SDCC_1,
+ QNOC_SLAVE_TCSR,
+ QNOC_SLAVE_BLSP_1
+};
+
+static struct qcom_icc_node pcnoc_s_0 = {
+ .name = "pcnoc_s_0",
+ .id = QNOC_PNOC_SLV_0,
+ .buswidth = 4,
+ .mas_rpm_id = 89,
+ .slv_rpm_id = 118,
+ .num_links = ARRAY_SIZE(pcnoc_s_0_links),
+ .links = pcnoc_s_0_links,
+};
+
+static const u16 pcnoc_s_1_links[] = {
+ QNOC_SLAVE_MESSAGE_RAM,
+ QNOC_SLAVE_CRYPTO_0_CFG,
+ QNOC_SLAVE_USB_HS,
+ QNOC_SLAVE_PDM,
+ QNOC_SLAVE_PRNG,
+ QNOC_SLAVE_QPIC
+};
+
+static struct qcom_icc_node pcnoc_s_1 = {
+ .name = "pcnoc_s_1",
+ .id = QNOC_PNOC_SLV_1,
+ .buswidth = 4,
+ .mas_rpm_id = 90,
+ .slv_rpm_id = 119,
+ .num_links = ARRAY_SIZE(pcnoc_s_1_links),
+ .links = pcnoc_s_1_links,
+};
+
+static const u16 pcnoc_s_2_links[] = {
+ QNOC_SLAVE_SPDM,
+ QNOC_SLAVE_SDCC_2,
+ QNOC_SLAVE_AUDIO,
+ QNOC_SLAVE_DEHR_CFG
+};
+
+static struct qcom_icc_node pcnoc_s_2 = {
+ .name = "pcnoc_s_2",
+ .id = QNOC_PNOC_SLV_2,
+ .buswidth = 4,
+ .mas_rpm_id = 91,
+ .slv_rpm_id = 120,
+ .num_links = ARRAY_SIZE(pcnoc_s_2_links),
+ .links = pcnoc_s_2_links,
+};
+
+static const u16 pcnoc_s_3_links[] = {
+ QNOC_SLAVE_QDSS_CFG,
+ QNOC_SLAVE_USB_PHYS_CFG,
+ QNOC_SLAVE_SNOC_CFG
+};
+
+static struct qcom_icc_node pcnoc_s_3 = {
+ .name = "pcnoc_s_3",
+ .id = QNOC_PNOC_SLV_3,
+ .buswidth = 4,
+ .mas_rpm_id = 92,
+ .slv_rpm_id = 121,
+ .num_links = ARRAY_SIZE(pcnoc_s_3_links),
+ .links = pcnoc_s_3_links,
+};
+
+static const u16 pcnoc_s_4_links[] = {
+ QNOC_SLAVE_CAMERA_CFG,
+ QNOC_SLAVE_DISPLAY_CFG,
+ QNOC_SLAVE_VENUS_CFG
+};
+
+static struct qcom_icc_node pcnoc_s_4 = {
+ .name = "pcnoc_s_4",
+ .id = QNOC_PNOC_SLV_4,
+ .buswidth = 4,
+ .mas_rpm_id = 93,
+ .slv_rpm_id = 122,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+ .num_links = ARRAY_SIZE(pcnoc_s_4_links),
+ .links = pcnoc_s_4_links,
+};
+
+static const u16 pcnoc_s_5_links[] = {
+ QNOC_SLAVE_TLMM
+};
+
+static struct qcom_icc_node pcnoc_s_5 = {
+ .name = "pcnoc_s_5",
+ .id = QNOC_PNOC_SLV_5,
+ .buswidth = 4,
+ .mas_rpm_id = 129,
+ .slv_rpm_id = 189,
+ .num_links = ARRAY_SIZE(pcnoc_s_5_links),
+ .links = pcnoc_s_5_links,
+};
+
+static const u16 pcnoc_s_7_links[] = {
+ QNOC_SLAVE_GRAPHICS_3D_CFG,
+ QNOC_SLAVE_IMEM_CFG,
+ QNOC_SLAVE_BIMC_CFG,
+ QNOC_SLAVE_PMIC_ARB
+};
+
+static struct qcom_icc_node pcnoc_s_7 = {
+ .name = "pcnoc_s_7",
+ .id = QNOC_PNOC_SLV_7,
+ .buswidth = 4,
+ .mas_rpm_id = 95,
+ .slv_rpm_id = 124,
+ .num_links = ARRAY_SIZE(pcnoc_s_7_links),
+ .links = pcnoc_s_7_links,
+};
+
+static const u16 mm_int_0_links[] = {
+ QNOC_SNOC_MM_INT_BIMC
+};
+
+static struct qcom_icc_node mm_int_0 = {
+ .name = "mm_int_0",
+ .id = QNOC_SNOC_MM_INT_0,
+ .buswidth = 16,
+ .mas_rpm_id = 79,
+ .slv_rpm_id = 108,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+ .num_links = ARRAY_SIZE(mm_int_0_links),
+ .links = mm_int_0_links,
+ .ab_coeff = 167,
+};
+
+static const u16 mm_int_1_links[] = {
+ QNOC_SNOC_MM_INT_BIMC
+};
+
+static struct qcom_icc_node mm_int_1 = {
+ .name = "mm_int_1",
+ .id = QNOC_SNOC_MM_INT_1,
+ .buswidth = 16,
+ .mas_rpm_id = 80,
+ .slv_rpm_id = 109,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+ .num_links = ARRAY_SIZE(mm_int_1_links),
+ .links = mm_int_1_links,
+ .ab_coeff = 167,
+};
+
+static const u16 mm_int_2_links[] = {
+ QNOC_SNOC_INT_0
+};
+
+static struct qcom_icc_node mm_int_2 = {
+ .name = "mm_int_2",
+ .id = QNOC_SNOC_MM_INT_2,
+ .buswidth = 16,
+ .mas_rpm_id = 81,
+ .slv_rpm_id = 110,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+ .num_links = ARRAY_SIZE(mm_int_2_links),
+ .links = mm_int_2_links,
+ .ab_coeff = 167,
+};
+
+static const u16 mm_int_bimc_links[] = {
+ QNOC_SNOC_BIMC_1_SLV
+};
+
+static struct qcom_icc_node mm_int_bimc = {
+ .name = "mm_int_bimc",
+ .id = QNOC_SNOC_MM_INT_BIMC,
+ .buswidth = 16,
+ .mas_rpm_id = 82,
+ .slv_rpm_id = 111,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+ .num_links = ARRAY_SIZE(mm_int_bimc_links),
+ .links = mm_int_bimc_links,
+ .ab_coeff = 167,
+};
+
+static const u16 qdss_int_links[] = {
+ QNOC_SNOC_INT_0,
+ QNOC_SNOC_INT_BIMC
+};
+
+static struct qcom_icc_node qdss_int = {
+ .name = "qdss_int",
+ .id = QNOC_SNOC_QDSS_INT,
+ .buswidth = 8,
+ .mas_rpm_id = 98,
+ .slv_rpm_id = 128,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+ .num_links = ARRAY_SIZE(qdss_int_links),
+ .links = qdss_int_links,
+};
+
+static const u16 snoc_int_0_links[] = {
+ QNOC_SLAVE_SYSTEM_IMEM,
+ QNOC_SLAVE_QDSS_STM,
+ QNOC_SNOC_PNOC_SLV
+};
+
+static struct qcom_icc_node snoc_int_0 = {
+ .name = "snoc_int_0",
+ .id = QNOC_SNOC_INT_0,
+ .buswidth = 8,
+ .mas_rpm_id = 99,
+ .slv_rpm_id = 130,
+ .num_links = ARRAY_SIZE(snoc_int_0_links),
+ .links = snoc_int_0_links,
+};
+
+static const u16 snoc_int_1_links[] = {
+ QNOC_SLAVE_CATS_128,
+ QNOC_SLAVE_APPSS,
+ QNOC_SLAVE_OCMEM_64
+};
+
+static struct qcom_icc_node snoc_int_1 = {
+ .name = "snoc_int_1",
+ .id = QNOC_SNOC_INT_1,
+ .buswidth = 8,
+ .mas_rpm_id = 100,
+ .slv_rpm_id = 131,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+ .num_links = ARRAY_SIZE(snoc_int_1_links),
+ .links = snoc_int_1_links,
+};
+
+static const u16 snoc_int_bimc_links[] = {
+ QNOC_SNOC_BIMC_0_SLV
+};
+
+static struct qcom_icc_node snoc_int_bimc = {
+ .name = "snoc_int_bimc",
+ .id = QNOC_SNOC_INT_BIMC,
+ .buswidth = 8,
+ .mas_rpm_id = 101,
+ .slv_rpm_id = 132,
+ .num_links = ARRAY_SIZE(snoc_int_bimc_links),
+ .links = snoc_int_bimc_links,
+};
+
+static struct qcom_icc_node slv_ebi = {
+ .name = "slv_ebi",
+ .id = QNOC_SLAVE_EBI_CH0,
+ .buswidth = 8,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 0,
+};
+
+static const u16 slv_bimc_snoc_links[] = {
+ QNOC_BIMC_SNOC_MAS
+};
+
+static struct qcom_icc_node slv_bimc_snoc = {
+ .name = "slv_bimc_snoc",
+ .id = QNOC_BIMC_SNOC_SLV,
+ .buswidth = 8,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 2,
+ .num_links = ARRAY_SIZE(slv_bimc_snoc_links),
+ .links = slv_bimc_snoc_links,
+};
+
+static struct qcom_icc_node slv_tcsr = {
+ .name = "slv_tcsr",
+ .id = QNOC_SLAVE_TCSR,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 50,
+};
+
+static struct qcom_icc_node slv_sdcc_1 = {
+ .name = "slv_sdcc_1",
+ .id = QNOC_SLAVE_SDCC_1,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 31,
+};
+
+static struct qcom_icc_node slv_blsp_1 = {
+ .name = "slv_blsp_1",
+ .id = QNOC_SLAVE_BLSP_1,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 39,
+};
+
+static struct qcom_icc_node slv_crypto_0_cfg = {
+ .name = "slv_crypto_0_cfg",
+ .id = QNOC_SLAVE_CRYPTO_0_CFG,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 52,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+};
+
+static struct qcom_icc_node slv_message_ram = {
+ .name = "slv_message_ram",
+ .id = QNOC_SLAVE_MESSAGE_RAM,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 55,
+};
+
+static struct qcom_icc_node slv_pdm = {
+ .name = "slv_pdm",
+ .id = QNOC_SLAVE_PDM,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 41,
+};
+
+static struct qcom_icc_node slv_prng = {
+ .name = "slv_prng",
+ .id = QNOC_SLAVE_PRNG,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 44,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+};
+
+static struct qcom_icc_node slv_usb_hs = {
+ .name = "slv_usb_hs",
+ .id = QNOC_SLAVE_USB_HS,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 40,
+};
+
+static struct qcom_icc_node slv_qpic = {
+ .name = "slv_qpic",
+ .id = QNOC_SLAVE_QPIC,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 80,
+};
+
+static struct qcom_icc_node slv_spdm = {
+ .name = "slv_spdm",
+ .id = QNOC_SLAVE_SPDM,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 60,
+};
+
+static struct qcom_icc_node slv_sdcc_2 = {
+ .name = "slv_sdcc_2",
+ .id = QNOC_SLAVE_SDCC_2,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 33,
+};
+
+static struct qcom_icc_node slv_audio = {
+ .name = "slv_audio",
+ .id = QNOC_SLAVE_AUDIO,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 105,
+};
+
+static struct qcom_icc_node slv_dehr_cfg = {
+ .name = "slv_dehr_cfg",
+ .id = QNOC_SLAVE_DEHR_CFG,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 61,
+};
+
+static struct qcom_icc_node slv_snoc_cfg = {
+ .name = "slv_snoc_cfg",
+ .id = QNOC_SLAVE_SNOC_CFG,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 70,
+};
+
+static struct qcom_icc_node slv_qdss_cfg = {
+ .name = "slv_qdss_cfg",
+ .id = QNOC_SLAVE_QDSS_CFG,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 63,
+};
+
+static struct qcom_icc_node slv_usb_phy = {
+ .name = "slv_usb_phy",
+ .id = QNOC_SLAVE_USB_PHYS_CFG,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 95,
+};
+
+static struct qcom_icc_node slv_camera_ss_cfg = {
+ .name = "slv_camera_ss_cfg",
+ .id = QNOC_SLAVE_CAMERA_CFG,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 3,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+};
+
+static struct qcom_icc_node slv_disp_ss_cfg = {
+ .name = "slv_disp_ss_cfg",
+ .id = QNOC_SLAVE_DISPLAY_CFG,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 4,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+};
+
+static struct qcom_icc_node slv_venus_cfg = {
+ .name = "slv_venus_cfg",
+ .id = QNOC_SLAVE_VENUS_CFG,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 10,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+};
+
+static struct qcom_icc_node slv_tlmm = {
+ .name = "slv_tlmm",
+ .id = QNOC_SLAVE_TLMM,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 51,
+};
+
+static struct qcom_icc_node slv_gpu_cfg = {
+ .name = "slv_gpu_cfg",
+ .id = QNOC_SLAVE_GRAPHICS_3D_CFG,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 11,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+};
+
+static struct qcom_icc_node slv_imem_cfg = {
+ .name = "slv_imem_cfg",
+ .id = QNOC_SLAVE_IMEM_CFG,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 54,
+};
+
+static struct qcom_icc_node slv_bimc_cfg = {
+ .name = "slv_bimc_cfg",
+ .id = QNOC_SLAVE_BIMC_CFG,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 56,
+};
+
+static struct qcom_icc_node slv_pmic_arb = {
+ .name = "slv_pmic_arb",
+ .id = QNOC_SLAVE_PMIC_ARB,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 59,
+};
+
+static struct qcom_icc_node slv_tcu = {
+ .name = "slv_tcu",
+ .id = QNOC_SLAVE_TCU,
+ .buswidth = 8,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 133,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+};
+
+static const u16 slv_pcnoc_snoc_links[] = {
+ QNOC_PNOC_SNOC_MAS
+};
+
+static struct qcom_icc_node slv_pcnoc_snoc = {
+ .name = "slv_pcnoc_snoc",
+ .id = QNOC_PNOC_SNOC_SLV,
+ .buswidth = 8,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 45,
+ .num_links = ARRAY_SIZE(slv_pcnoc_snoc_links),
+ .links = slv_pcnoc_snoc_links,
+};
+
+static struct qcom_icc_node slv_kpss_ahb = {
+ .name = "slv_kpss_ahb",
+ .id = QNOC_SLAVE_APPSS,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 20,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+};
+
+static const u16 slv_snoc_bimc_0_links[] = {
+ QNOC_SNOC_BIMC_0_MAS
+};
+
+static struct qcom_icc_node slv_snoc_bimc_0 = {
+ .name = "slv_snoc_bimc_0",
+ .id = QNOC_SNOC_BIMC_0_SLV,
+ .buswidth = 8,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 24,
+ .num_links = ARRAY_SIZE(slv_snoc_bimc_0_links),
+ .links = slv_snoc_bimc_0_links,
+};
+
+static const u16 slv_snoc_bimc_1_links[] = {
+ QNOC_SNOC_BIMC_1_MAS
+};
+
+static struct qcom_icc_node slv_snoc_bimc_1 = {
+ .name = "slv_snoc_bimc_1",
+ .id = QNOC_SNOC_BIMC_1_SLV,
+ .buswidth = 16,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 104,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+ .num_links = ARRAY_SIZE(slv_snoc_bimc_1_links),
+ .links = slv_snoc_bimc_1_links,
+};
+
+static struct qcom_icc_node slv_imem = {
+ .name = "slv_imem",
+ .id = QNOC_SLAVE_SYSTEM_IMEM,
+ .buswidth = 8,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 26,
+};
+
+static const u16 slv_snoc_pcnoc_links[] = {
+ QNOC_SNOC_PNOC_MAS
+};
+
+static struct qcom_icc_node slv_snoc_pcnoc = {
+ .name = "slv_snoc_pcnoc",
+ .id = QNOC_SNOC_PNOC_SLV,
+ .buswidth = 8,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 28,
+ .num_links = ARRAY_SIZE(slv_snoc_pcnoc_links),
+ .links = slv_snoc_pcnoc_links,
+};
+
+static struct qcom_icc_node slv_qdss_stm = {
+ .name = "slv_qdss_stm",
+ .id = QNOC_SLAVE_QDSS_STM,
+ .buswidth = 4,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 30,
+};
+
+static struct qcom_icc_node slv_cats_0 = {
+ .name = "slv_cats_0",
+ .id = QNOC_SLAVE_CATS_128,
+ .buswidth = 16,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 106,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+};
+
+static struct qcom_icc_node slv_cats_1 = {
+ .name = "slv_cats_1",
+ .id = QNOC_SLAVE_OCMEM_64,
+ .buswidth = 8,
+ .mas_rpm_id = -1,
+ .slv_rpm_id = 107,
+ .qos.ap_owned = true,
+ .qos.qos_mode = NOC_QOS_MODE_INVALID,
+};
+
+static struct qcom_icc_node *msm8909_bimc_nodes[] = {
+ [MAS_APPS_PROC] = &mas_apps_proc,
+ [MAS_OXILI] = &mas_oxili,
+ [MAS_SNOC_BIMC_0] = &mas_snoc_bimc_0,
+ [MAS_SNOC_BIMC_1] = &mas_snoc_bimc_1,
+ [MAS_TCU_0] = &mas_tcu_0,
+ [MAS_TCU_1] = &mas_tcu_1,
+ [SLV_EBI] = &slv_ebi,
+ [SLV_BIMC_SNOC] = &slv_bimc_snoc,
+};
+
+static const struct regmap_config msm8909_bimc_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x62000,
+ .fast_io = true,
+};
+
+static const struct qcom_icc_desc msm8909_bimc = {
+ .type = QCOM_ICC_BIMC,
+ .nodes = msm8909_bimc_nodes,
+ .num_nodes = ARRAY_SIZE(msm8909_bimc_nodes),
+ .bus_clk_desc = &bimc_clk,
+ .regmap_cfg = &msm8909_bimc_regmap_config,
+ .qos_offset = 0x8000,
+ .ab_coeff = 154,
+};
+
+static struct qcom_icc_node *msm8909_pcnoc_nodes[] = {
+ [MAS_AUDIO] = &mas_audio,
+ [MAS_SPDM] = &mas_spdm,
+ [MAS_DEHR] = &mas_dehr,
+ [MAS_QPIC] = &mas_qpic,
+ [MAS_BLSP_1] = &mas_blsp_1,
+ [MAS_USB_HS] = &mas_usb_hs,
+ [MAS_CRYPTO] = &mas_crypto,
+ [MAS_SDCC_1] = &mas_sdcc_1,
+ [MAS_SDCC_2] = &mas_sdcc_2,
+ [MAS_SNOC_PCNOC] = &mas_snoc_pcnoc,
+ [PCNOC_M_0] = &pcnoc_m_0,
+ [PCNOC_M_1] = &pcnoc_m_1,
+ [PCNOC_INT_0] = &pcnoc_int_0,
+ [PCNOC_INT_1] = &pcnoc_int_1,
+ [PCNOC_S_0] = &pcnoc_s_0,
+ [PCNOC_S_1] = &pcnoc_s_1,
+ [PCNOC_S_2] = &pcnoc_s_2,
+ [PCNOC_S_3] = &pcnoc_s_3,
+ [PCNOC_S_4] = &pcnoc_s_4,
+ [PCNOC_S_5] = &pcnoc_s_5,
+ [PCNOC_S_7] = &pcnoc_s_7,
+ [SLV_TCSR] = &slv_tcsr,
+ [SLV_SDCC_1] = &slv_sdcc_1,
+ [SLV_BLSP_1] = &slv_blsp_1,
+ [SLV_CRYPTO_0_CFG] = &slv_crypto_0_cfg,
+ [SLV_MESSAGE_RAM] = &slv_message_ram,
+ [SLV_PDM] = &slv_pdm,
+ [SLV_PRNG] = &slv_prng,
+ [SLV_USB_HS] = &slv_usb_hs,
+ [SLV_QPIC] = &slv_qpic,
+ [SLV_SPDM] = &slv_spdm,
+ [SLV_SDCC_2] = &slv_sdcc_2,
+ [SLV_AUDIO] = &slv_audio,
+ [SLV_DEHR_CFG] = &slv_dehr_cfg,
+ [SLV_SNOC_CFG] = &slv_snoc_cfg,
+ [SLV_QDSS_CFG] = &slv_qdss_cfg,
+ [SLV_USB_PHY] = &slv_usb_phy,
+ [SLV_CAMERA_SS_CFG] = &slv_camera_ss_cfg,
+ [SLV_DISP_SS_CFG] = &slv_disp_ss_cfg,
+ [SLV_VENUS_CFG] = &slv_venus_cfg,
+ [SLV_TLMM] = &slv_tlmm,
+ [SLV_GPU_CFG] = &slv_gpu_cfg,
+ [SLV_IMEM_CFG] = &slv_imem_cfg,
+ [SLV_BIMC_CFG] = &slv_bimc_cfg,
+ [SLV_PMIC_ARB] = &slv_pmic_arb,
+ [SLV_TCU] = &slv_tcu,
+ [SLV_PCNOC_SNOC] = &slv_pcnoc_snoc,
+};
+
+static const struct regmap_config msm8909_pcnoc_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x11000,
+ .fast_io = true,
+};
+
+static const struct qcom_icc_desc msm8909_pcnoc = {
+ .type = QCOM_ICC_NOC,
+ .nodes = msm8909_pcnoc_nodes,
+ .num_nodes = ARRAY_SIZE(msm8909_pcnoc_nodes),
+ .bus_clk_desc = &bus_0_clk,
+ .regmap_cfg = &msm8909_pcnoc_regmap_config,
+ .qos_offset = 0x7000,
+};
+
+static struct qcom_icc_node *msm8909_snoc_nodes[] = {
+ [MAS_QDSS_BAM] = &mas_qdss_bam,
+ [MAS_BIMC_SNOC] = &mas_bimc_snoc,
+ [MAS_MDP] = &mas_mdp,
+ [MAS_PCNOC_SNOC] = &mas_pcnoc_snoc,
+ [MAS_VENUS] = &mas_venus,
+ [MAS_VFE] = &mas_vfe,
+ [MAS_QDSS_ETR] = &mas_qdss_etr,
+ [MM_INT_0] = &mm_int_0,
+ [MM_INT_1] = &mm_int_1,
+ [MM_INT_2] = &mm_int_2,
+ [MM_INT_BIMC] = &mm_int_bimc,
+ [QDSS_INT] = &qdss_int,
+ [SNOC_INT_0] = &snoc_int_0,
+ [SNOC_INT_1] = &snoc_int_1,
+ [SNOC_INT_BIMC] = &snoc_int_bimc,
+ [SLV_KPSS_AHB] = &slv_kpss_ahb,
+ [SLV_SNOC_BIMC_0] = &slv_snoc_bimc_0,
+ [SLV_SNOC_BIMC_1] = &slv_snoc_bimc_1,
+ [SLV_IMEM] = &slv_imem,
+ [SLV_SNOC_PCNOC] = &slv_snoc_pcnoc,
+ [SLV_QDSS_STM] = &slv_qdss_stm,
+ [SLV_CATS_0] = &slv_cats_0,
+ [SLV_CATS_1] = &slv_cats_1,
+};
+
+static const struct regmap_config msm8909_snoc_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x13000,
+ .fast_io = true,
+};
+
+static const struct qcom_icc_desc msm8909_snoc = {
+ .type = QCOM_ICC_NOC,
+ .nodes = msm8909_snoc_nodes,
+ .num_nodes = ARRAY_SIZE(msm8909_snoc_nodes),
+ .bus_clk_desc = &bus_1_clk,
+ .regmap_cfg = &msm8909_snoc_regmap_config,
+ .qos_offset = 0x7000,
+};
+
+static const struct of_device_id msm8909_noc_of_match[] = {
+ { .compatible = "qcom,msm8909-bimc", .data = &msm8909_bimc },
+ { .compatible = "qcom,msm8909-pcnoc", .data = &msm8909_pcnoc },
+ { .compatible = "qcom,msm8909-snoc", .data = &msm8909_snoc },
+ { }
+};
+MODULE_DEVICE_TABLE(of, msm8909_noc_of_match);
+
+static struct platform_driver msm8909_noc_driver = {
+ .probe = qnoc_probe,
+ .remove_new = qnoc_remove,
+ .driver = {
+ .name = "qnoc-msm8909",
+ .of_match_table = msm8909_noc_of_match,
+ .sync_state = icc_sync_state,
+ },
+};
+module_platform_driver(msm8909_noc_driver);
+
+MODULE_DESCRIPTION("Qualcomm MSM8909 NoC driver");
+MODULE_LICENSE("GPL");
--
GitLab
From c32e00d90904d3e01e09d074ae31d3a1051122e9 Mon Sep 17 00:00:00 2001
From: Konrad Dybcio <konrad.dybcio@linaro.org>
Date: Wed, 10 Jan 2024 15:16:26 +0200
Subject: [PATCH 0293/2686] interconnect: qcom: sm8550: Remove bogus per-RSC
BCMs and nodes
The downstream kernel has infrastructure for passing votes from different
interconnect nodes onto different RPMh RSCs. This neither implemented, not
is going to be implemented upstream (in favor of a different solution
using ICC tags through the same node).
Unfortunately, as it happens, meaningless (in the upstream context) parts
of the vendor driver were copied, ending up causing havoc - since all
"per-RSC" (in quotes because they all point to the main APPS one) BCMs
defined within the driver overwrite the value in RPMh on every
aggregation.
To both avoid keeping bogus code around and possibly introducing
impossible-to-track-down bugs (busses shutting down for no reason), get
rid of the duplicated BCMs and their associated ICC nodes.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20231218-topic-8550_fixes-v1-1-ce1272d77540@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
drivers/interconnect/qcom/sm8550.c | 574 -----------------------------
drivers/interconnect/qcom/sm8550.h | 284 ++++++--------
2 files changed, 122 insertions(+), 736 deletions(-)
diff --git a/drivers/interconnect/qcom/sm8550.c b/drivers/interconnect/qcom/sm8550.c
index 629faa4c9aaee..abc52ad3d1f2c 100644
--- a/drivers/interconnect/qcom/sm8550.c
+++ b/drivers/interconnect/qcom/sm8550.c
@@ -524,231 +524,6 @@ static struct qcom_icc_node xm_gic = {
.links = { SM8550_SLAVE_SNOC_GEM_NOC_GC },
};
-static struct qcom_icc_node qnm_mnoc_hf_disp = {
- .name = "qnm_mnoc_hf_disp",
- .id = SM8550_MASTER_MNOC_HF_MEM_NOC_DISP,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_LLCC_DISP },
-};
-
-static struct qcom_icc_node qnm_pcie_disp = {
- .name = "qnm_pcie_disp",
- .id = SM8550_MASTER_ANOC_PCIE_GEM_NOC_DISP,
- .channels = 1,
- .buswidth = 16,
- .num_links = 1,
- .links = { SM8550_SLAVE_LLCC_DISP },
-};
-
-static struct qcom_icc_node llcc_mc_disp = {
- .name = "llcc_mc_disp",
- .id = SM8550_MASTER_LLCC_DISP,
- .channels = 4,
- .buswidth = 4,
- .num_links = 1,
- .links = { SM8550_SLAVE_EBI1_DISP },
-};
-
-static struct qcom_icc_node qnm_mdp_disp = {
- .name = "qnm_mdp_disp",
- .id = SM8550_MASTER_MDP_DISP,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_MNOC_HF_MEM_NOC_DISP },
-};
-
-static struct qcom_icc_node qnm_mnoc_hf_cam_ife_0 = {
- .name = "qnm_mnoc_hf_cam_ife_0",
- .id = SM8550_MASTER_MNOC_HF_MEM_NOC_CAM_IFE_0,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_LLCC_CAM_IFE_0 },
-};
-
-static struct qcom_icc_node qnm_mnoc_sf_cam_ife_0 = {
- .name = "qnm_mnoc_sf_cam_ife_0",
- .id = SM8550_MASTER_MNOC_SF_MEM_NOC_CAM_IFE_0,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_LLCC_CAM_IFE_0 },
-};
-
-static struct qcom_icc_node qnm_pcie_cam_ife_0 = {
- .name = "qnm_pcie_cam_ife_0",
- .id = SM8550_MASTER_ANOC_PCIE_GEM_NOC_CAM_IFE_0,
- .channels = 1,
- .buswidth = 16,
- .num_links = 1,
- .links = { SM8550_SLAVE_LLCC_CAM_IFE_0 },
-};
-
-static struct qcom_icc_node llcc_mc_cam_ife_0 = {
- .name = "llcc_mc_cam_ife_0",
- .id = SM8550_MASTER_LLCC_CAM_IFE_0,
- .channels = 4,
- .buswidth = 4,
- .num_links = 1,
- .links = { SM8550_SLAVE_EBI1_CAM_IFE_0 },
-};
-
-static struct qcom_icc_node qnm_camnoc_hf_cam_ife_0 = {
- .name = "qnm_camnoc_hf_cam_ife_0",
- .id = SM8550_MASTER_CAMNOC_HF_CAM_IFE_0,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_MNOC_HF_MEM_NOC_CAM_IFE_0 },
-};
-
-static struct qcom_icc_node qnm_camnoc_icp_cam_ife_0 = {
- .name = "qnm_camnoc_icp_cam_ife_0",
- .id = SM8550_MASTER_CAMNOC_ICP_CAM_IFE_0,
- .channels = 1,
- .buswidth = 8,
- .num_links = 1,
- .links = { SM8550_SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_0 },
-};
-
-static struct qcom_icc_node qnm_camnoc_sf_cam_ife_0 = {
- .name = "qnm_camnoc_sf_cam_ife_0",
- .id = SM8550_MASTER_CAMNOC_SF_CAM_IFE_0,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_0 },
-};
-
-static struct qcom_icc_node qnm_mnoc_hf_cam_ife_1 = {
- .name = "qnm_mnoc_hf_cam_ife_1",
- .id = SM8550_MASTER_MNOC_HF_MEM_NOC_CAM_IFE_1,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_LLCC_CAM_IFE_1 },
-};
-
-static struct qcom_icc_node qnm_mnoc_sf_cam_ife_1 = {
- .name = "qnm_mnoc_sf_cam_ife_1",
- .id = SM8550_MASTER_MNOC_SF_MEM_NOC_CAM_IFE_1,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_LLCC_CAM_IFE_1 },
-};
-
-static struct qcom_icc_node qnm_pcie_cam_ife_1 = {
- .name = "qnm_pcie_cam_ife_1",
- .id = SM8550_MASTER_ANOC_PCIE_GEM_NOC_CAM_IFE_1,
- .channels = 1,
- .buswidth = 16,
- .num_links = 1,
- .links = { SM8550_SLAVE_LLCC_CAM_IFE_1 },
-};
-
-static struct qcom_icc_node llcc_mc_cam_ife_1 = {
- .name = "llcc_mc_cam_ife_1",
- .id = SM8550_MASTER_LLCC_CAM_IFE_1,
- .channels = 4,
- .buswidth = 4,
- .num_links = 1,
- .links = { SM8550_SLAVE_EBI1_CAM_IFE_1 },
-};
-
-static struct qcom_icc_node qnm_camnoc_hf_cam_ife_1 = {
- .name = "qnm_camnoc_hf_cam_ife_1",
- .id = SM8550_MASTER_CAMNOC_HF_CAM_IFE_1,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_MNOC_HF_MEM_NOC_CAM_IFE_1 },
-};
-
-static struct qcom_icc_node qnm_camnoc_icp_cam_ife_1 = {
- .name = "qnm_camnoc_icp_cam_ife_1",
- .id = SM8550_MASTER_CAMNOC_ICP_CAM_IFE_1,
- .channels = 1,
- .buswidth = 8,
- .num_links = 1,
- .links = { SM8550_SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_1 },
-};
-
-static struct qcom_icc_node qnm_camnoc_sf_cam_ife_1 = {
- .name = "qnm_camnoc_sf_cam_ife_1",
- .id = SM8550_MASTER_CAMNOC_SF_CAM_IFE_1,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_1 },
-};
-
-static struct qcom_icc_node qnm_mnoc_hf_cam_ife_2 = {
- .name = "qnm_mnoc_hf_cam_ife_2",
- .id = SM8550_MASTER_MNOC_HF_MEM_NOC_CAM_IFE_2,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_LLCC_CAM_IFE_2 },
-};
-
-static struct qcom_icc_node qnm_mnoc_sf_cam_ife_2 = {
- .name = "qnm_mnoc_sf_cam_ife_2",
- .id = SM8550_MASTER_MNOC_SF_MEM_NOC_CAM_IFE_2,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_LLCC_CAM_IFE_2 },
-};
-
-static struct qcom_icc_node qnm_pcie_cam_ife_2 = {
- .name = "qnm_pcie_cam_ife_2",
- .id = SM8550_MASTER_ANOC_PCIE_GEM_NOC_CAM_IFE_2,
- .channels = 1,
- .buswidth = 16,
- .num_links = 1,
- .links = { SM8550_SLAVE_LLCC_CAM_IFE_2 },
-};
-
-static struct qcom_icc_node llcc_mc_cam_ife_2 = {
- .name = "llcc_mc_cam_ife_2",
- .id = SM8550_MASTER_LLCC_CAM_IFE_2,
- .channels = 4,
- .buswidth = 4,
- .num_links = 1,
- .links = { SM8550_SLAVE_EBI1_CAM_IFE_2 },
-};
-
-static struct qcom_icc_node qnm_camnoc_hf_cam_ife_2 = {
- .name = "qnm_camnoc_hf_cam_ife_2",
- .id = SM8550_MASTER_CAMNOC_HF_CAM_IFE_2,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_MNOC_HF_MEM_NOC_CAM_IFE_2 },
-};
-
-static struct qcom_icc_node qnm_camnoc_icp_cam_ife_2 = {
- .name = "qnm_camnoc_icp_cam_ife_2",
- .id = SM8550_MASTER_CAMNOC_ICP_CAM_IFE_2,
- .channels = 1,
- .buswidth = 8,
- .num_links = 1,
- .links = { SM8550_SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_2 },
-};
-
-static struct qcom_icc_node qnm_camnoc_sf_cam_ife_2 = {
- .name = "qnm_camnoc_sf_cam_ife_2",
- .id = SM8550_MASTER_CAMNOC_SF_CAM_IFE_2,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_2 },
-};
-
static struct qcom_icc_node qns_a1noc_snoc = {
.name = "qns_a1noc_snoc",
.id = SM8550_SLAVE_A1NOC_SNOC,
@@ -1342,137 +1117,6 @@ static struct qcom_icc_node qns_gemnoc_sf = {
.links = { SM8550_MASTER_SNOC_SF_MEM_NOC },
};
-static struct qcom_icc_node qns_llcc_disp = {
- .name = "qns_llcc_disp",
- .id = SM8550_SLAVE_LLCC_DISP,
- .channels = 4,
- .buswidth = 16,
- .num_links = 1,
- .links = { SM8550_MASTER_LLCC_DISP },
-};
-
-static struct qcom_icc_node ebi_disp = {
- .name = "ebi_disp",
- .id = SM8550_SLAVE_EBI1_DISP,
- .channels = 4,
- .buswidth = 4,
- .num_links = 0,
-};
-
-static struct qcom_icc_node qns_mem_noc_hf_disp = {
- .name = "qns_mem_noc_hf_disp",
- .id = SM8550_SLAVE_MNOC_HF_MEM_NOC_DISP,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_MASTER_MNOC_HF_MEM_NOC_DISP },
-};
-
-static struct qcom_icc_node qns_llcc_cam_ife_0 = {
- .name = "qns_llcc_cam_ife_0",
- .id = SM8550_SLAVE_LLCC_CAM_IFE_0,
- .channels = 4,
- .buswidth = 16,
- .num_links = 1,
- .links = { SM8550_MASTER_LLCC_CAM_IFE_0 },
-};
-
-static struct qcom_icc_node ebi_cam_ife_0 = {
- .name = "ebi_cam_ife_0",
- .id = SM8550_SLAVE_EBI1_CAM_IFE_0,
- .channels = 4,
- .buswidth = 4,
- .num_links = 0,
-};
-
-static struct qcom_icc_node qns_mem_noc_hf_cam_ife_0 = {
- .name = "qns_mem_noc_hf_cam_ife_0",
- .id = SM8550_SLAVE_MNOC_HF_MEM_NOC_CAM_IFE_0,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_MASTER_MNOC_HF_MEM_NOC_CAM_IFE_0 },
-};
-
-static struct qcom_icc_node qns_mem_noc_sf_cam_ife_0 = {
- .name = "qns_mem_noc_sf_cam_ife_0",
- .id = SM8550_SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_0,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_MASTER_MNOC_SF_MEM_NOC_CAM_IFE_0 },
-};
-
-static struct qcom_icc_node qns_llcc_cam_ife_1 = {
- .name = "qns_llcc_cam_ife_1",
- .id = SM8550_SLAVE_LLCC_CAM_IFE_1,
- .channels = 4,
- .buswidth = 16,
- .num_links = 1,
- .links = { SM8550_MASTER_LLCC_CAM_IFE_1 },
-};
-
-static struct qcom_icc_node ebi_cam_ife_1 = {
- .name = "ebi_cam_ife_1",
- .id = SM8550_SLAVE_EBI1_CAM_IFE_1,
- .channels = 4,
- .buswidth = 4,
- .num_links = 0,
-};
-
-static struct qcom_icc_node qns_mem_noc_hf_cam_ife_1 = {
- .name = "qns_mem_noc_hf_cam_ife_1",
- .id = SM8550_SLAVE_MNOC_HF_MEM_NOC_CAM_IFE_1,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_MASTER_MNOC_HF_MEM_NOC_CAM_IFE_1 },
-};
-
-static struct qcom_icc_node qns_mem_noc_sf_cam_ife_1 = {
- .name = "qns_mem_noc_sf_cam_ife_1",
- .id = SM8550_SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_1,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_MASTER_MNOC_SF_MEM_NOC_CAM_IFE_1 },
-};
-
-static struct qcom_icc_node qns_llcc_cam_ife_2 = {
- .name = "qns_llcc_cam_ife_2",
- .id = SM8550_SLAVE_LLCC_CAM_IFE_2,
- .channels = 4,
- .buswidth = 16,
- .num_links = 1,
- .links = { SM8550_MASTER_LLCC_CAM_IFE_2 },
-};
-
-static struct qcom_icc_node ebi_cam_ife_2 = {
- .name = "ebi_cam_ife_2",
- .id = SM8550_SLAVE_EBI1_CAM_IFE_2,
- .channels = 4,
- .buswidth = 4,
- .num_links = 0,
-};
-
-static struct qcom_icc_node qns_mem_noc_hf_cam_ife_2 = {
- .name = "qns_mem_noc_hf_cam_ife_2",
- .id = SM8550_SLAVE_MNOC_HF_MEM_NOC_CAM_IFE_2,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_MASTER_MNOC_HF_MEM_NOC_CAM_IFE_2 },
-};
-
-static struct qcom_icc_node qns_mem_noc_sf_cam_ife_2 = {
- .name = "qns_mem_noc_sf_cam_ife_2",
- .id = SM8550_SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_2,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { SM8550_MASTER_MNOC_SF_MEM_NOC_CAM_IFE_2 },
-};
-
static struct qcom_icc_bcm bcm_acv = {
.name = "ACV",
.enable_mask = 0x8,
@@ -1639,161 +1283,6 @@ static struct qcom_icc_bcm bcm_sn7 = {
.nodes = { &qns_pcie_mem_noc },
};
-static struct qcom_icc_bcm bcm_acv_disp = {
- .name = "ACV",
- .enable_mask = 0x1,
- .num_nodes = 1,
- .nodes = { &ebi_disp },
-};
-
-static struct qcom_icc_bcm bcm_mc0_disp = {
- .name = "MC0",
- .num_nodes = 1,
- .nodes = { &ebi_disp },
-};
-
-static struct qcom_icc_bcm bcm_mm0_disp = {
- .name = "MM0",
- .num_nodes = 1,
- .nodes = { &qns_mem_noc_hf_disp },
-};
-
-static struct qcom_icc_bcm bcm_sh0_disp = {
- .name = "SH0",
- .num_nodes = 1,
- .nodes = { &qns_llcc_disp },
-};
-
-static struct qcom_icc_bcm bcm_sh1_disp = {
- .name = "SH1",
- .enable_mask = 0x1,
- .num_nodes = 2,
- .nodes = { &qnm_mnoc_hf_disp, &qnm_pcie_disp },
-};
-
-static struct qcom_icc_bcm bcm_acv_cam_ife_0 = {
- .name = "ACV",
- .enable_mask = 0x0,
- .num_nodes = 1,
- .nodes = { &ebi_cam_ife_0 },
-};
-
-static struct qcom_icc_bcm bcm_mc0_cam_ife_0 = {
- .name = "MC0",
- .num_nodes = 1,
- .nodes = { &ebi_cam_ife_0 },
-};
-
-static struct qcom_icc_bcm bcm_mm0_cam_ife_0 = {
- .name = "MM0",
- .num_nodes = 1,
- .nodes = { &qns_mem_noc_hf_cam_ife_0 },
-};
-
-static struct qcom_icc_bcm bcm_mm1_cam_ife_0 = {
- .name = "MM1",
- .enable_mask = 0x1,
- .num_nodes = 4,
- .nodes = { &qnm_camnoc_hf_cam_ife_0, &qnm_camnoc_icp_cam_ife_0,
- &qnm_camnoc_sf_cam_ife_0, &qns_mem_noc_sf_cam_ife_0 },
-};
-
-static struct qcom_icc_bcm bcm_sh0_cam_ife_0 = {
- .name = "SH0",
- .num_nodes = 1,
- .nodes = { &qns_llcc_cam_ife_0 },
-};
-
-static struct qcom_icc_bcm bcm_sh1_cam_ife_0 = {
- .name = "SH1",
- .enable_mask = 0x1,
- .num_nodes = 3,
- .nodes = { &qnm_mnoc_hf_cam_ife_0, &qnm_mnoc_sf_cam_ife_0,
- &qnm_pcie_cam_ife_0 },
-};
-
-static struct qcom_icc_bcm bcm_acv_cam_ife_1 = {
- .name = "ACV",
- .enable_mask = 0x0,
- .num_nodes = 1,
- .nodes = { &ebi_cam_ife_1 },
-};
-
-static struct qcom_icc_bcm bcm_mc0_cam_ife_1 = {
- .name = "MC0",
- .num_nodes = 1,
- .nodes = { &ebi_cam_ife_1 },
-};
-
-static struct qcom_icc_bcm bcm_mm0_cam_ife_1 = {
- .name = "MM0",
- .num_nodes = 1,
- .nodes = { &qns_mem_noc_hf_cam_ife_1 },
-};
-
-static struct qcom_icc_bcm bcm_mm1_cam_ife_1 = {
- .name = "MM1",
- .enable_mask = 0x1,
- .num_nodes = 4,
- .nodes = { &qnm_camnoc_hf_cam_ife_1, &qnm_camnoc_icp_cam_ife_1,
- &qnm_camnoc_sf_cam_ife_1, &qns_mem_noc_sf_cam_ife_1 },
-};
-
-static struct qcom_icc_bcm bcm_sh0_cam_ife_1 = {
- .name = "SH0",
- .num_nodes = 1,
- .nodes = { &qns_llcc_cam_ife_1 },
-};
-
-static struct qcom_icc_bcm bcm_sh1_cam_ife_1 = {
- .name = "SH1",
- .enable_mask = 0x1,
- .num_nodes = 3,
- .nodes = { &qnm_mnoc_hf_cam_ife_1, &qnm_mnoc_sf_cam_ife_1,
- &qnm_pcie_cam_ife_1 },
-};
-
-static struct qcom_icc_bcm bcm_acv_cam_ife_2 = {
- .name = "ACV",
- .enable_mask = 0x0,
- .num_nodes = 1,
- .nodes = { &ebi_cam_ife_2 },
-};
-
-static struct qcom_icc_bcm bcm_mc0_cam_ife_2 = {
- .name = "MC0",
- .num_nodes = 1,
- .nodes = { &ebi_cam_ife_2 },
-};
-
-static struct qcom_icc_bcm bcm_mm0_cam_ife_2 = {
- .name = "MM0",
- .num_nodes = 1,
- .nodes = { &qns_mem_noc_hf_cam_ife_2 },
-};
-
-static struct qcom_icc_bcm bcm_mm1_cam_ife_2 = {
- .name = "MM1",
- .enable_mask = 0x1,
- .num_nodes = 4,
- .nodes = { &qnm_camnoc_hf_cam_ife_2, &qnm_camnoc_icp_cam_ife_2,
- &qnm_camnoc_sf_cam_ife_2, &qns_mem_noc_sf_cam_ife_2 },
-};
-
-static struct qcom_icc_bcm bcm_sh0_cam_ife_2 = {
- .name = "SH0",
- .num_nodes = 1,
- .nodes = { &qns_llcc_cam_ife_2 },
-};
-
-static struct qcom_icc_bcm bcm_sh1_cam_ife_2 = {
- .name = "SH1",
- .enable_mask = 0x1,
- .num_nodes = 3,
- .nodes = { &qnm_mnoc_hf_cam_ife_2, &qnm_mnoc_sf_cam_ife_2,
- &qnm_pcie_cam_ife_2 },
-};
-
static struct qcom_icc_bcm * const aggre1_noc_bcms[] = {
};
@@ -1945,14 +1434,6 @@ static const struct qcom_icc_desc sm8550_cnoc_main = {
static struct qcom_icc_bcm * const gem_noc_bcms[] = {
&bcm_sh0,
&bcm_sh1,
- &bcm_sh0_disp,
- &bcm_sh1_disp,
- &bcm_sh0_cam_ife_0,
- &bcm_sh1_cam_ife_0,
- &bcm_sh0_cam_ife_1,
- &bcm_sh1_cam_ife_1,
- &bcm_sh0_cam_ife_2,
- &bcm_sh1_cam_ife_2,
};
static struct qcom_icc_node * const gem_noc_nodes[] = {
@@ -1971,21 +1452,6 @@ static struct qcom_icc_node * const gem_noc_nodes[] = {
[SLAVE_GEM_NOC_CNOC] = &qns_gem_noc_cnoc,
[SLAVE_LLCC] = &qns_llcc,
[SLAVE_MEM_NOC_PCIE_SNOC] = &qns_pcie,
- [MASTER_MNOC_HF_MEM_NOC_DISP] = &qnm_mnoc_hf_disp,
- [MASTER_ANOC_PCIE_GEM_NOC_DISP] = &qnm_pcie_disp,
- [SLAVE_LLCC_DISP] = &qns_llcc_disp,
- [MASTER_MNOC_HF_MEM_NOC_CAM_IFE_0] = &qnm_mnoc_hf_cam_ife_0,
- [MASTER_MNOC_SF_MEM_NOC_CAM_IFE_0] = &qnm_mnoc_sf_cam_ife_0,
- [MASTER_ANOC_PCIE_GEM_NOC_CAM_IFE_0] = &qnm_pcie_cam_ife_0,
- [SLAVE_LLCC_CAM_IFE_0] = &qns_llcc_cam_ife_0,
- [MASTER_MNOC_HF_MEM_NOC_CAM_IFE_1] = &qnm_mnoc_hf_cam_ife_1,
- [MASTER_MNOC_SF_MEM_NOC_CAM_IFE_1] = &qnm_mnoc_sf_cam_ife_1,
- [MASTER_ANOC_PCIE_GEM_NOC_CAM_IFE_1] = &qnm_pcie_cam_ife_1,
- [SLAVE_LLCC_CAM_IFE_1] = &qns_llcc_cam_ife_1,
- [MASTER_MNOC_HF_MEM_NOC_CAM_IFE_2] = &qnm_mnoc_hf_cam_ife_2,
- [MASTER_MNOC_SF_MEM_NOC_CAM_IFE_2] = &qnm_mnoc_sf_cam_ife_2,
- [MASTER_ANOC_PCIE_GEM_NOC_CAM_IFE_2] = &qnm_pcie_cam_ife_2,
- [SLAVE_LLCC_CAM_IFE_2] = &qns_llcc_cam_ife_2,
};
static const struct qcom_icc_desc sm8550_gem_noc = {
@@ -2044,27 +1510,11 @@ static const struct qcom_icc_desc sm8550_lpass_lpicx_noc = {
static struct qcom_icc_bcm * const mc_virt_bcms[] = {
&bcm_acv,
&bcm_mc0,
- &bcm_acv_disp,
- &bcm_mc0_disp,
- &bcm_acv_cam_ife_0,
- &bcm_mc0_cam_ife_0,
- &bcm_acv_cam_ife_1,
- &bcm_mc0_cam_ife_1,
- &bcm_acv_cam_ife_2,
- &bcm_mc0_cam_ife_2,
};
static struct qcom_icc_node * const mc_virt_nodes[] = {
[MASTER_LLCC] = &llcc_mc,
[SLAVE_EBI1] = &ebi,
- [MASTER_LLCC_DISP] = &llcc_mc_disp,
- [SLAVE_EBI1_DISP] = &ebi_disp,
- [MASTER_LLCC_CAM_IFE_0] = &llcc_mc_cam_ife_0,
- [SLAVE_EBI1_CAM_IFE_0] = &ebi_cam_ife_0,
- [MASTER_LLCC_CAM_IFE_1] = &llcc_mc_cam_ife_1,
- [SLAVE_EBI1_CAM_IFE_1] = &ebi_cam_ife_1,
- [MASTER_LLCC_CAM_IFE_2] = &llcc_mc_cam_ife_2,
- [SLAVE_EBI1_CAM_IFE_2] = &ebi_cam_ife_2,
};
static const struct qcom_icc_desc sm8550_mc_virt = {
@@ -2077,13 +1527,6 @@ static const struct qcom_icc_desc sm8550_mc_virt = {
static struct qcom_icc_bcm * const mmss_noc_bcms[] = {
&bcm_mm0,
&bcm_mm1,
- &bcm_mm0_disp,
- &bcm_mm0_cam_ife_0,
- &bcm_mm1_cam_ife_0,
- &bcm_mm0_cam_ife_1,
- &bcm_mm1_cam_ife_1,
- &bcm_mm0_cam_ife_2,
- &bcm_mm1_cam_ife_2,
};
static struct qcom_icc_node * const mmss_noc_nodes[] = {
@@ -2100,23 +1543,6 @@ static struct qcom_icc_node * const mmss_noc_nodes[] = {
[SLAVE_MNOC_HF_MEM_NOC] = &qns_mem_noc_hf,
[SLAVE_MNOC_SF_MEM_NOC] = &qns_mem_noc_sf,
[SLAVE_SERVICE_MNOC] = &srvc_mnoc,
- [MASTER_MDP_DISP] = &qnm_mdp_disp,
- [SLAVE_MNOC_HF_MEM_NOC_DISP] = &qns_mem_noc_hf_disp,
- [MASTER_CAMNOC_HF_CAM_IFE_0] = &qnm_camnoc_hf_cam_ife_0,
- [MASTER_CAMNOC_ICP_CAM_IFE_0] = &qnm_camnoc_icp_cam_ife_0,
- [MASTER_CAMNOC_SF_CAM_IFE_0] = &qnm_camnoc_sf_cam_ife_0,
- [SLAVE_MNOC_HF_MEM_NOC_CAM_IFE_0] = &qns_mem_noc_hf_cam_ife_0,
- [SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_0] = &qns_mem_noc_sf_cam_ife_0,
- [MASTER_CAMNOC_HF_CAM_IFE_1] = &qnm_camnoc_hf_cam_ife_1,
- [MASTER_CAMNOC_ICP_CAM_IFE_1] = &qnm_camnoc_icp_cam_ife_1,
- [MASTER_CAMNOC_SF_CAM_IFE_1] = &qnm_camnoc_sf_cam_ife_1,
- [SLAVE_MNOC_HF_MEM_NOC_CAM_IFE_1] = &qns_mem_noc_hf_cam_ife_1,
- [SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_1] = &qns_mem_noc_sf_cam_ife_1,
- [MASTER_CAMNOC_HF_CAM_IFE_2] = &qnm_camnoc_hf_cam_ife_2,
- [MASTER_CAMNOC_ICP_CAM_IFE_2] = &qnm_camnoc_icp_cam_ife_2,
- [MASTER_CAMNOC_SF_CAM_IFE_2] = &qnm_camnoc_sf_cam_ife_2,
- [SLAVE_MNOC_HF_MEM_NOC_CAM_IFE_2] = &qns_mem_noc_hf_cam_ife_2,
- [SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_2] = &qns_mem_noc_sf_cam_ife_2,
};
static const struct qcom_icc_desc sm8550_mmss_noc = {
diff --git a/drivers/interconnect/qcom/sm8550.h b/drivers/interconnect/qcom/sm8550.h
index 8d5862c04bca2..c9b2986e12933 100644
--- a/drivers/interconnect/qcom/sm8550.h
+++ b/drivers/interconnect/qcom/sm8550.h
@@ -12,167 +12,127 @@
#define SM8550_MASTER_A1NOC_SNOC 0
#define SM8550_MASTER_A2NOC_SNOC 1
#define SM8550_MASTER_ANOC_PCIE_GEM_NOC 2
-#define SM8550_MASTER_ANOC_PCIE_GEM_NOC_CAM_IFE_0 3
-#define SM8550_MASTER_ANOC_PCIE_GEM_NOC_CAM_IFE_1 4
-#define SM8550_MASTER_ANOC_PCIE_GEM_NOC_CAM_IFE_2 5
-#define SM8550_MASTER_ANOC_PCIE_GEM_NOC_DISP 6
-#define SM8550_MASTER_APPSS_PROC 7
-#define SM8550_MASTER_CAMNOC_HF 8
-#define SM8550_MASTER_CAMNOC_HF_CAM_IFE_0 9
-#define SM8550_MASTER_CAMNOC_HF_CAM_IFE_1 10
-#define SM8550_MASTER_CAMNOC_HF_CAM_IFE_2 11
-#define SM8550_MASTER_CAMNOC_ICP 12
-#define SM8550_MASTER_CAMNOC_ICP_CAM_IFE_0 13
-#define SM8550_MASTER_CAMNOC_ICP_CAM_IFE_1 14
-#define SM8550_MASTER_CAMNOC_ICP_CAM_IFE_2 15
-#define SM8550_MASTER_CAMNOC_SF 16
-#define SM8550_MASTER_CAMNOC_SF_CAM_IFE_0 17
-#define SM8550_MASTER_CAMNOC_SF_CAM_IFE_1 18
-#define SM8550_MASTER_CAMNOC_SF_CAM_IFE_2 19
-#define SM8550_MASTER_CDSP_HCP 20
-#define SM8550_MASTER_CDSP_PROC 21
-#define SM8550_MASTER_CNOC_CFG 22
-#define SM8550_MASTER_CNOC_MNOC_CFG 23
-#define SM8550_MASTER_COMPUTE_NOC 24
-#define SM8550_MASTER_CRYPTO 25
-#define SM8550_MASTER_GEM_NOC_CNOC 26
-#define SM8550_MASTER_GEM_NOC_PCIE_SNOC 27
-#define SM8550_MASTER_GFX3D 28
-#define SM8550_MASTER_GIC 29
-#define SM8550_MASTER_GIC_AHB 30
-#define SM8550_MASTER_GPU_TCU 31
-#define SM8550_MASTER_IPA 32
-#define SM8550_MASTER_LLCC 33
-#define SM8550_MASTER_LLCC_CAM_IFE_0 34
-#define SM8550_MASTER_LLCC_CAM_IFE_1 35
-#define SM8550_MASTER_LLCC_CAM_IFE_2 36
-#define SM8550_MASTER_LLCC_DISP 37
-#define SM8550_MASTER_LPASS_GEM_NOC 38
-#define SM8550_MASTER_LPASS_LPINOC 39
-#define SM8550_MASTER_LPASS_PROC 40
-#define SM8550_MASTER_LPIAON_NOC 41
-#define SM8550_MASTER_MDP 42
-#define SM8550_MASTER_MDP_DISP 43
-#define SM8550_MASTER_MNOC_HF_MEM_NOC 44
-#define SM8550_MASTER_MNOC_HF_MEM_NOC_CAM_IFE_0 45
-#define SM8550_MASTER_MNOC_HF_MEM_NOC_CAM_IFE_1 46
-#define SM8550_MASTER_MNOC_HF_MEM_NOC_CAM_IFE_2 47
-#define SM8550_MASTER_MNOC_HF_MEM_NOC_DISP 48
-#define SM8550_MASTER_MNOC_SF_MEM_NOC 49
-#define SM8550_MASTER_MNOC_SF_MEM_NOC_CAM_IFE_0 50
-#define SM8550_MASTER_MNOC_SF_MEM_NOC_CAM_IFE_1 51
-#define SM8550_MASTER_MNOC_SF_MEM_NOC_CAM_IFE_2 52
-#define SM8550_MASTER_MSS_PROC 53
-#define SM8550_MASTER_PCIE_0 54
-#define SM8550_MASTER_PCIE_1 55
-#define SM8550_MASTER_PCIE_ANOC_CFG 56
-#define SM8550_MASTER_QDSS_BAM 57
-#define SM8550_MASTER_QDSS_ETR 58
-#define SM8550_MASTER_QDSS_ETR_1 59
-#define SM8550_MASTER_QSPI_0 60
-#define SM8550_MASTER_QUP_1 61
-#define SM8550_MASTER_QUP_2 62
-#define SM8550_MASTER_QUP_CORE_0 63
-#define SM8550_MASTER_QUP_CORE_1 64
-#define SM8550_MASTER_QUP_CORE_2 65
-#define SM8550_MASTER_SDCC_2 66
-#define SM8550_MASTER_SDCC_4 67
-#define SM8550_MASTER_SNOC_GC_MEM_NOC 68
-#define SM8550_MASTER_SNOC_SF_MEM_NOC 69
-#define SM8550_MASTER_SP 70
-#define SM8550_MASTER_SYS_TCU 71
-#define SM8550_MASTER_UFS_MEM 72
-#define SM8550_MASTER_USB3_0 73
-#define SM8550_MASTER_VIDEO 74
-#define SM8550_MASTER_VIDEO_CV_PROC 75
-#define SM8550_MASTER_VIDEO_PROC 76
-#define SM8550_MASTER_VIDEO_V_PROC 77
-#define SM8550_SLAVE_A1NOC_SNOC 78
-#define SM8550_SLAVE_A2NOC_SNOC 79
-#define SM8550_SLAVE_AHB2PHY_NORTH 80
-#define SM8550_SLAVE_AHB2PHY_SOUTH 81
-#define SM8550_SLAVE_ANOC_PCIE_GEM_NOC 82
-#define SM8550_SLAVE_AOSS 83
-#define SM8550_SLAVE_APPSS 84
-#define SM8550_SLAVE_BOOT_IMEM 85
-#define SM8550_SLAVE_CAMERA_CFG 86
-#define SM8550_SLAVE_CDSP_MEM_NOC 87
-#define SM8550_SLAVE_CLK_CTL 88
-#define SM8550_SLAVE_CNOC_CFG 89
-#define SM8550_SLAVE_CNOC_MNOC_CFG 90
-#define SM8550_SLAVE_CNOC_MSS 91
-#define SM8550_SLAVE_CPR_NSPCX 92
-#define SM8550_SLAVE_CRYPTO_0_CFG 93
-#define SM8550_SLAVE_CX_RDPM 94
-#define SM8550_SLAVE_DDRSS_CFG 95
-#define SM8550_SLAVE_DISPLAY_CFG 96
-#define SM8550_SLAVE_EBI1 97
-#define SM8550_SLAVE_EBI1_CAM_IFE_0 98
-#define SM8550_SLAVE_EBI1_CAM_IFE_1 99
-#define SM8550_SLAVE_EBI1_CAM_IFE_2 100
-#define SM8550_SLAVE_EBI1_DISP 101
-#define SM8550_SLAVE_GEM_NOC_CNOC 102
-#define SM8550_SLAVE_GFX3D_CFG 103
-#define SM8550_SLAVE_I2C 104
-#define SM8550_SLAVE_IMEM 105
-#define SM8550_SLAVE_IMEM_CFG 106
-#define SM8550_SLAVE_IPA_CFG 107
-#define SM8550_SLAVE_IPC_ROUTER_CFG 108
-#define SM8550_SLAVE_LLCC 109
-#define SM8550_SLAVE_LLCC_CAM_IFE_0 110
-#define SM8550_SLAVE_LLCC_CAM_IFE_1 111
-#define SM8550_SLAVE_LLCC_CAM_IFE_2 112
-#define SM8550_SLAVE_LLCC_DISP 113
-#define SM8550_SLAVE_LPASS_GEM_NOC 114
-#define SM8550_SLAVE_LPASS_QTB_CFG 115
-#define SM8550_SLAVE_LPIAON_NOC_LPASS_AG_NOC 116
-#define SM8550_SLAVE_LPICX_NOC_LPIAON_NOC 117
-#define SM8550_SLAVE_MEM_NOC_PCIE_SNOC 118
-#define SM8550_SLAVE_MNOC_HF_MEM_NOC 119
-#define SM8550_SLAVE_MNOC_HF_MEM_NOC_CAM_IFE_0 120
-#define SM8550_SLAVE_MNOC_HF_MEM_NOC_CAM_IFE_1 121
-#define SM8550_SLAVE_MNOC_HF_MEM_NOC_CAM_IFE_2 122
-#define SM8550_SLAVE_MNOC_HF_MEM_NOC_DISP 123
-#define SM8550_SLAVE_MNOC_SF_MEM_NOC 124
-#define SM8550_SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_0 125
-#define SM8550_SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_1 126
-#define SM8550_SLAVE_MNOC_SF_MEM_NOC_CAM_IFE_2 127
-#define SM8550_SLAVE_MX_RDPM 128
-#define SM8550_SLAVE_NSP_QTB_CFG 129
-#define SM8550_SLAVE_PCIE_0 130
-#define SM8550_SLAVE_PCIE_0_CFG 131
-#define SM8550_SLAVE_PCIE_1 132
-#define SM8550_SLAVE_PCIE_1_CFG 133
-#define SM8550_SLAVE_PCIE_ANOC_CFG 134
-#define SM8550_SLAVE_PDM 135
-#define SM8550_SLAVE_PIMEM_CFG 136
-#define SM8550_SLAVE_PRNG 137
-#define SM8550_SLAVE_QDSS_CFG 138
-#define SM8550_SLAVE_QDSS_STM 139
-#define SM8550_SLAVE_QSPI_0 140
-#define SM8550_SLAVE_QUP_1 141
-#define SM8550_SLAVE_QUP_2 142
-#define SM8550_SLAVE_QUP_CORE_0 143
-#define SM8550_SLAVE_QUP_CORE_1 144
-#define SM8550_SLAVE_QUP_CORE_2 145
-#define SM8550_SLAVE_RBCPR_CX_CFG 146
-#define SM8550_SLAVE_RBCPR_MMCX_CFG 147
-#define SM8550_SLAVE_RBCPR_MXA_CFG 148
-#define SM8550_SLAVE_RBCPR_MXC_CFG 149
-#define SM8550_SLAVE_SDCC_2 150
-#define SM8550_SLAVE_SDCC_4 151
-#define SM8550_SLAVE_SERVICE_MNOC 152
-#define SM8550_SLAVE_SERVICE_PCIE_ANOC 153
-#define SM8550_SLAVE_SNOC_GEM_NOC_GC 154
-#define SM8550_SLAVE_SNOC_GEM_NOC_SF 155
-#define SM8550_SLAVE_SPSS_CFG 156
-#define SM8550_SLAVE_TCSR 157
-#define SM8550_SLAVE_TCU 158
-#define SM8550_SLAVE_TLMM 159
-#define SM8550_SLAVE_TME_CFG 160
-#define SM8550_SLAVE_UFS_MEM_CFG 161
-#define SM8550_SLAVE_USB3_0 162
-#define SM8550_SLAVE_VENUS_CFG 163
-#define SM8550_SLAVE_VSENSE_CTRL_CFG 164
+#define SM8550_MASTER_APPSS_PROC 3
+#define SM8550_MASTER_CAMNOC_HF 4
+#define SM8550_MASTER_CAMNOC_ICP 5
+#define SM8550_MASTER_CAMNOC_SF 6
+#define SM8550_MASTER_CDSP_HCP 7
+#define SM8550_MASTER_CDSP_PROC 8
+#define SM8550_MASTER_CNOC_CFG 9
+#define SM8550_MASTER_CNOC_MNOC_CFG 10
+#define SM8550_MASTER_COMPUTE_NOC 11
+#define SM8550_MASTER_CRYPTO 12
+#define SM8550_MASTER_GEM_NOC_CNOC 13
+#define SM8550_MASTER_GEM_NOC_PCIE_SNOC 14
+#define SM8550_MASTER_GFX3D 15
+#define SM8550_MASTER_GIC 16
+#define SM8550_MASTER_GIC_AHB 17
+#define SM8550_MASTER_GPU_TCU 18
+#define SM8550_MASTER_IPA 19
+#define SM8550_MASTER_LLCC 20
+#define SM8550_MASTER_LPASS_GEM_NOC 21
+#define SM8550_MASTER_LPASS_LPINOC 22
+#define SM8550_MASTER_LPASS_PROC 23
+#define SM8550_MASTER_LPIAON_NOC 24
+#define SM8550_MASTER_MDP 25
+#define SM8550_MASTER_MNOC_HF_MEM_NOC 26
+#define SM8550_MASTER_MNOC_SF_MEM_NOC 27
+#define SM8550_MASTER_MSS_PROC 28
+#define SM8550_MASTER_PCIE_0 29
+#define SM8550_MASTER_PCIE_1 30
+#define SM8550_MASTER_PCIE_ANOC_CFG 31
+#define SM8550_MASTER_QDSS_BAM 32
+#define SM8550_MASTER_QDSS_ETR 33
+#define SM8550_MASTER_QDSS_ETR_1 34
+#define SM8550_MASTER_QSPI_0 35
+#define SM8550_MASTER_QUP_1 36
+#define SM8550_MASTER_QUP_2 37
+#define SM8550_MASTER_QUP_CORE_0 38
+#define SM8550_MASTER_QUP_CORE_1 39
+#define SM8550_MASTER_QUP_CORE_2 40
+#define SM8550_MASTER_SDCC_2 41
+#define SM8550_MASTER_SDCC_4 42
+#define SM8550_MASTER_SNOC_GC_MEM_NOC 43
+#define SM8550_MASTER_SNOC_SF_MEM_NOC 44
+#define SM8550_MASTER_SP 45
+#define SM8550_MASTER_SYS_TCU 46
+#define SM8550_MASTER_UFS_MEM 47
+#define SM8550_MASTER_USB3_0 48
+#define SM8550_MASTER_VIDEO 49
+#define SM8550_MASTER_VIDEO_CV_PROC 50
+#define SM8550_MASTER_VIDEO_PROC 51
+#define SM8550_MASTER_VIDEO_V_PROC 52
+#define SM8550_SLAVE_A1NOC_SNOC 53
+#define SM8550_SLAVE_A2NOC_SNOC 54
+#define SM8550_SLAVE_AHB2PHY_NORTH 55
+#define SM8550_SLAVE_AHB2PHY_SOUTH 56
+#define SM8550_SLAVE_ANOC_PCIE_GEM_NOC 57
+#define SM8550_SLAVE_AOSS 58
+#define SM8550_SLAVE_APPSS 59
+#define SM8550_SLAVE_BOOT_IMEM 60
+#define SM8550_SLAVE_CAMERA_CFG 61
+#define SM8550_SLAVE_CDSP_MEM_NOC 62
+#define SM8550_SLAVE_CLK_CTL 63
+#define SM8550_SLAVE_CNOC_CFG 64
+#define SM8550_SLAVE_CNOC_MNOC_CFG 65
+#define SM8550_SLAVE_CNOC_MSS 66
+#define SM8550_SLAVE_CPR_NSPCX 67
+#define SM8550_SLAVE_CRYPTO_0_CFG 68
+#define SM8550_SLAVE_CX_RDPM 69
+#define SM8550_SLAVE_DDRSS_CFG 70
+#define SM8550_SLAVE_DISPLAY_CFG 71
+#define SM8550_SLAVE_EBI1 72
+#define SM8550_SLAVE_GEM_NOC_CNOC 73
+#define SM8550_SLAVE_GFX3D_CFG 74
+#define SM8550_SLAVE_I2C 75
+#define SM8550_SLAVE_IMEM 76
+#define SM8550_SLAVE_IMEM_CFG 77
+#define SM8550_SLAVE_IPA_CFG 78
+#define SM8550_SLAVE_IPC_ROUTER_CFG 79
+#define SM8550_SLAVE_LLCC 80
+#define SM8550_SLAVE_LPASS_GEM_NOC 81
+#define SM8550_SLAVE_LPASS_QTB_CFG 82
+#define SM8550_SLAVE_LPIAON_NOC_LPASS_AG_NOC 83
+#define SM8550_SLAVE_LPICX_NOC_LPIAON_NOC 84
+#define SM8550_SLAVE_MEM_NOC_PCIE_SNOC 85
+#define SM8550_SLAVE_MNOC_HF_MEM_NOC 86
+#define SM8550_SLAVE_MNOC_SF_MEM_NOC 87
+#define SM8550_SLAVE_MX_RDPM 88
+#define SM8550_SLAVE_NSP_QTB_CFG 89
+#define SM8550_SLAVE_PCIE_0 90
+#define SM8550_SLAVE_PCIE_0_CFG 91
+#define SM8550_SLAVE_PCIE_1 92
+#define SM8550_SLAVE_PCIE_1_CFG 93
+#define SM8550_SLAVE_PCIE_ANOC_CFG 94
+#define SM8550_SLAVE_PDM 95
+#define SM8550_SLAVE_PIMEM_CFG 96
+#define SM8550_SLAVE_PRNG 97
+#define SM8550_SLAVE_QDSS_CFG 98
+#define SM8550_SLAVE_QDSS_STM 99
+#define SM8550_SLAVE_QSPI_0 100
+#define SM8550_SLAVE_QUP_1 101
+#define SM8550_SLAVE_QUP_2 102
+#define SM8550_SLAVE_QUP_CORE_0 103
+#define SM8550_SLAVE_QUP_CORE_1 104
+#define SM8550_SLAVE_QUP_CORE_2 105
+#define SM8550_SLAVE_RBCPR_CX_CFG 106
+#define SM8550_SLAVE_RBCPR_MMCX_CFG 107
+#define SM8550_SLAVE_RBCPR_MXA_CFG 108
+#define SM8550_SLAVE_RBCPR_MXC_CFG 109
+#define SM8550_SLAVE_SDCC_2 110
+#define SM8550_SLAVE_SDCC_4 111
+#define SM8550_SLAVE_SERVICE_MNOC 112
+#define SM8550_SLAVE_SERVICE_PCIE_ANOC 113
+#define SM8550_SLAVE_SNOC_GEM_NOC_GC 114
+#define SM8550_SLAVE_SNOC_GEM_NOC_SF 115
+#define SM8550_SLAVE_SPSS_CFG 116
+#define SM8550_SLAVE_TCSR 117
+#define SM8550_SLAVE_TCU 118
+#define SM8550_SLAVE_TLMM 119
+#define SM8550_SLAVE_TME_CFG 120
+#define SM8550_SLAVE_UFS_MEM_CFG 121
+#define SM8550_SLAVE_USB3_0 122
+#define SM8550_SLAVE_VENUS_CFG 123
+#define SM8550_SLAVE_VSENSE_CTRL_CFG 124
#endif
--
GitLab
From e92c9326743776ee2ffc6b933b7905c439872571 Mon Sep 17 00:00:00 2001
From: Konrad Dybcio <konrad.dybcio@linaro.org>
Date: Wed, 10 Jan 2024 15:16:26 +0200
Subject: [PATCH 0294/2686] dt-bindings: interconnect: Remove bogus
interconnect nodes
The downstream kernel has infrastructure for passing votes from different
interconnect nodes onto different RPMh RSCs. This neither implemented, not
is going to be implemented upstream (in favor of a different solution
using ICC tags through the same node).
Unfortunately, as it happens, meaningless (in the upstream context) parts
of the vendor driver were copied, ending up causing havoc - since all
"per-RSC" (in quotes because they all point to the main APPS one) BCMs
defined within the driver overwrite the value in RPMh on every
aggregation.
To both avoid keeping bogus code around and possibly introducing
impossible-to-track-down bugs (busses shutting down for no reason), get
rid of the duplicated ICC node definitions.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240102-topic-x1e_fixes-v1-2-70723e08d5f6@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
.../interconnect/qcom,x1e80100-rpmh.h | 24 -------------------
1 file changed, 24 deletions(-)
diff --git a/include/dt-bindings/interconnect/qcom,x1e80100-rpmh.h b/include/dt-bindings/interconnect/qcom,x1e80100-rpmh.h
index a38c3472698aa..7d97108811490 100644
--- a/include/dt-bindings/interconnect/qcom,x1e80100-rpmh.h
+++ b/include/dt-bindings/interconnect/qcom,x1e80100-rpmh.h
@@ -112,11 +112,6 @@
#define SLAVE_GEM_NOC_CNOC 12
#define SLAVE_LLCC 13
#define SLAVE_MEM_NOC_PCIE_SNOC 14
-#define MASTER_MNOC_HF_MEM_NOC_DISP 15
-#define MASTER_ANOC_PCIE_GEM_NOC_DISP 16
-#define SLAVE_LLCC_DISP 17
-#define MASTER_ANOC_PCIE_GEM_NOC_PCIE 18
-#define SLAVE_LLCC_PCIE 19
#define MASTER_LPIAON_NOC 0
#define SLAVE_LPASS_GEM_NOC 1
@@ -129,10 +124,6 @@
#define MASTER_LLCC 0
#define SLAVE_EBI1 1
-#define MASTER_LLCC_DISP 2
-#define SLAVE_EBI1_DISP 3
-#define MASTER_LLCC_PCIE 4
-#define SLAVE_EBI1_PCIE 5
#define MASTER_AV1_ENC 0
#define MASTER_CAMNOC_HF 1
@@ -147,8 +138,6 @@
#define SLAVE_MNOC_HF_MEM_NOC 10
#define SLAVE_MNOC_SF_MEM_NOC 11
#define SLAVE_SERVICE_MNOC 12
-#define MASTER_MDP_DISP 13
-#define SLAVE_MNOC_HF_MEM_NOC_DISP 14
#define MASTER_CDSP_PROC 0
#define SLAVE_CDSP_MEM_NOC 1
@@ -156,18 +145,11 @@
#define MASTER_PCIE_NORTH 0
#define MASTER_PCIE_SOUTH 1
#define SLAVE_ANOC_PCIE_GEM_NOC 2
-#define MASTER_PCIE_NORTH_PCIE 3
-#define MASTER_PCIE_SOUTH_PCIE 4
-#define SLAVE_ANOC_PCIE_GEM_NOC_PCIE 5
#define MASTER_PCIE_3 0
#define MASTER_PCIE_4 1
#define MASTER_PCIE_5 2
#define SLAVE_PCIE_NORTH 3
-#define MASTER_PCIE_3_PCIE 4
-#define MASTER_PCIE_4_PCIE 5
-#define MASTER_PCIE_5_PCIE 6
-#define SLAVE_PCIE_NORTH_PCIE 7
#define MASTER_PCIE_0 0
#define MASTER_PCIE_1 1
@@ -175,12 +157,6 @@
#define MASTER_PCIE_6A 3
#define MASTER_PCIE_6B 4
#define SLAVE_PCIE_SOUTH 5
-#define MASTER_PCIE_0_PCIE 6
-#define MASTER_PCIE_1_PCIE 7
-#define MASTER_PCIE_2_PCIE 8
-#define MASTER_PCIE_6A_PCIE 9
-#define MASTER_PCIE_6B_PCIE 10
-#define SLAVE_PCIE_SOUTH_PCIE 11
#define MASTER_A1NOC_SNOC 0
#define MASTER_A2NOC_SNOC 1
--
GitLab
From a3973318e7eb82bee0a69381206ac724eeda2ad8 Mon Sep 17 00:00:00 2001
From: Konrad Dybcio <konrad.dybcio@linaro.org>
Date: Wed, 10 Jan 2024 15:16:26 +0200
Subject: [PATCH 0295/2686] interconnect: qcom: x1e80100: Remove bogus per-RSC
BCMs and nodes
The downstream kernel has infrastructure for passing votes from different
interconnect nodes onto different RPMh RSCs. This neither implemented, not
is going to be implemented upstream (in favor of a different solution
using ICC tags through the same node).
Unfortunately, as it happens, meaningless (in the upstream context) parts
of the vendor driver were copied, ending up causing havoc - since all
"per-RSC" (in quotes because they all point to the main APPS one) BCMs
defined within the driver overwrite the value in RPMh on every
aggregation.
To both avoid keeping bogus code around and possibly introducing
impossible-to-track-down bugs (busses shutting down for no reason), get
rid of the duplicated BCMs and their associated ICC nodes.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Link: https://lore.kernel.org/r/20240102-topic-x1e_fixes-v1-1-70723e08d5f6@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
drivers/interconnect/qcom/x1e80100.c | 315 ---------------------------
1 file changed, 315 deletions(-)
diff --git a/drivers/interconnect/qcom/x1e80100.c b/drivers/interconnect/qcom/x1e80100.c
index d19501d913b39..5b2de9c3a1d62 100644
--- a/drivers/interconnect/qcom/x1e80100.c
+++ b/drivers/interconnect/qcom/x1e80100.c
@@ -670,150 +670,6 @@ static struct qcom_icc_node xm_usb4_2 = {
.links = { X1E80100_SLAVE_AGGRE_USB_SOUTH },
};
-static struct qcom_icc_node qnm_mnoc_hf_disp = {
- .name = "qnm_mnoc_hf_disp",
- .id = X1E80100_MASTER_MNOC_HF_MEM_NOC_DISP,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { X1E80100_SLAVE_LLCC_DISP },
-};
-
-static struct qcom_icc_node qnm_pcie_disp = {
- .name = "qnm_pcie_disp",
- .id = X1E80100_MASTER_ANOC_PCIE_GEM_NOC_DISP,
- .channels = 1,
- .buswidth = 64,
- .num_links = 1,
- .links = { X1E80100_SLAVE_LLCC_DISP },
-};
-
-static struct qcom_icc_node llcc_mc_disp = {
- .name = "llcc_mc_disp",
- .id = X1E80100_MASTER_LLCC_DISP,
- .channels = 8,
- .buswidth = 4,
- .num_links = 1,
- .links = { X1E80100_SLAVE_EBI1_DISP },
-};
-
-static struct qcom_icc_node qnm_mdp_disp = {
- .name = "qnm_mdp_disp",
- .id = X1E80100_MASTER_MDP_DISP,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { X1E80100_SLAVE_MNOC_HF_MEM_NOC_DISP },
-};
-
-static struct qcom_icc_node qnm_pcie_pcie = {
- .name = "qnm_pcie_pcie",
- .id = X1E80100_MASTER_ANOC_PCIE_GEM_NOC_PCIE,
- .channels = 1,
- .buswidth = 64,
- .num_links = 1,
- .links = { X1E80100_SLAVE_LLCC_PCIE },
-};
-
-static struct qcom_icc_node llcc_mc_pcie = {
- .name = "llcc_mc_pcie",
- .id = X1E80100_MASTER_LLCC_PCIE,
- .channels = 8,
- .buswidth = 4,
- .num_links = 1,
- .links = { X1E80100_SLAVE_EBI1_PCIE },
-};
-
-static struct qcom_icc_node qnm_pcie_north_gem_noc_pcie = {
- .name = "qnm_pcie_north_gem_noc_pcie",
- .id = X1E80100_MASTER_PCIE_NORTH_PCIE,
- .channels = 1,
- .buswidth = 64,
- .num_links = 1,
- .links = { X1E80100_SLAVE_ANOC_PCIE_GEM_NOC_PCIE },
-};
-
-static struct qcom_icc_node qnm_pcie_south_gem_noc_pcie = {
- .name = "qnm_pcie_south_gem_noc_pcie",
- .id = X1E80100_MASTER_PCIE_SOUTH_PCIE,
- .channels = 1,
- .buswidth = 64,
- .num_links = 1,
- .links = { X1E80100_SLAVE_ANOC_PCIE_GEM_NOC_PCIE },
-};
-
-static struct qcom_icc_node xm_pcie_3_pcie = {
- .name = "xm_pcie_3_pcie",
- .id = X1E80100_MASTER_PCIE_3_PCIE,
- .channels = 1,
- .buswidth = 64,
- .num_links = 1,
- .links = { X1E80100_SLAVE_PCIE_NORTH_PCIE },
-};
-
-static struct qcom_icc_node xm_pcie_4_pcie = {
- .name = "xm_pcie_4_pcie",
- .id = X1E80100_MASTER_PCIE_4_PCIE,
- .channels = 1,
- .buswidth = 8,
- .num_links = 1,
- .links = { X1E80100_SLAVE_PCIE_NORTH_PCIE },
-};
-
-static struct qcom_icc_node xm_pcie_5_pcie = {
- .name = "xm_pcie_5_pcie",
- .id = X1E80100_MASTER_PCIE_5_PCIE,
- .channels = 1,
- .buswidth = 8,
- .num_links = 1,
- .links = { X1E80100_SLAVE_PCIE_NORTH_PCIE },
-};
-
-static struct qcom_icc_node xm_pcie_0_pcie = {
- .name = "xm_pcie_0_pcie",
- .id = X1E80100_MASTER_PCIE_0_PCIE,
- .channels = 1,
- .buswidth = 16,
- .num_links = 1,
- .links = { X1E80100_SLAVE_PCIE_SOUTH_PCIE },
-};
-
-static struct qcom_icc_node xm_pcie_1_pcie = {
- .name = "xm_pcie_1_pcie",
- .id = X1E80100_MASTER_PCIE_1_PCIE,
- .channels = 1,
- .buswidth = 16,
- .num_links = 1,
- .links = { X1E80100_SLAVE_PCIE_SOUTH_PCIE },
-};
-
-static struct qcom_icc_node xm_pcie_2_pcie = {
- .name = "xm_pcie_2_pcie",
- .id = X1E80100_MASTER_PCIE_2_PCIE,
- .channels = 1,
- .buswidth = 16,
- .num_links = 1,
- .links = { X1E80100_SLAVE_PCIE_SOUTH_PCIE },
-};
-
-static struct qcom_icc_node xm_pcie_6a_pcie = {
- .name = "xm_pcie_6a_pcie",
- .id = X1E80100_MASTER_PCIE_6A_PCIE,
- .channels = 1,
- .buswidth = 32,
- .num_links = 1,
- .links = { X1E80100_SLAVE_PCIE_SOUTH_PCIE },
-};
-
-static struct qcom_icc_node xm_pcie_6b_pcie = {
- .name = "xm_pcie_6b_pcie",
- .id = X1E80100_MASTER_PCIE_6B_PCIE,
- .channels = 1,
- .buswidth = 16,
- .num_links = 1,
- .links = { X1E80100_SLAVE_PCIE_SOUTH_PCIE },
-};
-
static struct qcom_icc_node qns_a1noc_snoc = {
.name = "qns_a1noc_snoc",
.id = X1E80100_SLAVE_A1NOC_SNOC,
@@ -1514,76 +1370,6 @@ static struct qcom_icc_node qns_aggre_usb_south_snoc = {
.links = { X1E80100_MASTER_AGGRE_USB_SOUTH },
};
-static struct qcom_icc_node qns_llcc_disp = {
- .name = "qns_llcc_disp",
- .id = X1E80100_SLAVE_LLCC_DISP,
- .channels = 8,
- .buswidth = 16,
- .num_links = 1,
- .links = { X1E80100_MASTER_LLCC_DISP },
-};
-
-static struct qcom_icc_node ebi_disp = {
- .name = "ebi_disp",
- .id = X1E80100_SLAVE_EBI1_DISP,
- .channels = 8,
- .buswidth = 4,
- .num_links = 0,
-};
-
-static struct qcom_icc_node qns_mem_noc_hf_disp = {
- .name = "qns_mem_noc_hf_disp",
- .id = X1E80100_SLAVE_MNOC_HF_MEM_NOC_DISP,
- .channels = 2,
- .buswidth = 32,
- .num_links = 1,
- .links = { X1E80100_MASTER_MNOC_HF_MEM_NOC_DISP },
-};
-
-static struct qcom_icc_node qns_llcc_pcie = {
- .name = "qns_llcc_pcie",
- .id = X1E80100_SLAVE_LLCC_PCIE,
- .channels = 8,
- .buswidth = 16,
- .num_links = 1,
- .links = { X1E80100_MASTER_LLCC_PCIE },
-};
-
-static struct qcom_icc_node ebi_pcie = {
- .name = "ebi_pcie",
- .id = X1E80100_SLAVE_EBI1_PCIE,
- .channels = 8,
- .buswidth = 4,
- .num_links = 0,
-};
-
-static struct qcom_icc_node qns_pcie_mem_noc_pcie = {
- .name = "qns_pcie_mem_noc_pcie",
- .id = X1E80100_SLAVE_ANOC_PCIE_GEM_NOC_PCIE,
- .channels = 1,
- .buswidth = 64,
- .num_links = 1,
- .links = { X1E80100_MASTER_ANOC_PCIE_GEM_NOC_PCIE },
-};
-
-static struct qcom_icc_node qns_pcie_north_gem_noc_pcie = {
- .name = "qns_pcie_north_gem_noc_pcie",
- .id = X1E80100_SLAVE_PCIE_NORTH_PCIE,
- .channels = 1,
- .buswidth = 64,
- .num_links = 1,
- .links = { X1E80100_MASTER_PCIE_NORTH_PCIE },
-};
-
-static struct qcom_icc_node qns_pcie_south_gem_noc_pcie = {
- .name = "qns_pcie_south_gem_noc_pcie",
- .id = X1E80100_SLAVE_PCIE_SOUTH_PCIE,
- .channels = 1,
- .buswidth = 64,
- .num_links = 1,
- .links = { X1E80100_MASTER_PCIE_SOUTH_PCIE },
-};
-
static struct qcom_icc_bcm bcm_acv = {
.name = "ACV",
.num_nodes = 1,
@@ -1755,72 +1541,6 @@ static struct qcom_icc_bcm bcm_sn4 = {
.nodes = { &qnm_usb_anoc },
};
-static struct qcom_icc_bcm bcm_acv_disp = {
- .name = "ACV",
- .num_nodes = 1,
- .nodes = { &ebi_disp },
-};
-
-static struct qcom_icc_bcm bcm_mc0_disp = {
- .name = "MC0",
- .num_nodes = 1,
- .nodes = { &ebi_disp },
-};
-
-static struct qcom_icc_bcm bcm_mm0_disp = {
- .name = "MM0",
- .num_nodes = 1,
- .nodes = { &qns_mem_noc_hf_disp },
-};
-
-static struct qcom_icc_bcm bcm_mm1_disp = {
- .name = "MM1",
- .num_nodes = 1,
- .nodes = { &qnm_mdp_disp },
-};
-
-static struct qcom_icc_bcm bcm_sh0_disp = {
- .name = "SH0",
- .num_nodes = 1,
- .nodes = { &qns_llcc_disp },
-};
-
-static struct qcom_icc_bcm bcm_sh1_disp = {
- .name = "SH1",
- .num_nodes = 2,
- .nodes = { &qnm_mnoc_hf_disp, &qnm_pcie_disp },
-};
-
-static struct qcom_icc_bcm bcm_acv_pcie = {
- .name = "ACV",
- .num_nodes = 1,
- .nodes = { &ebi_pcie },
-};
-
-static struct qcom_icc_bcm bcm_mc0_pcie = {
- .name = "MC0",
- .num_nodes = 1,
- .nodes = { &ebi_pcie },
-};
-
-static struct qcom_icc_bcm bcm_pc0_pcie = {
- .name = "PC0",
- .num_nodes = 1,
- .nodes = { &qns_pcie_mem_noc_pcie },
-};
-
-static struct qcom_icc_bcm bcm_sh0_pcie = {
- .name = "SH0",
- .num_nodes = 1,
- .nodes = { &qns_llcc_pcie },
-};
-
-static struct qcom_icc_bcm bcm_sh1_pcie = {
- .name = "SH1",
- .num_nodes = 1,
- .nodes = { &qnm_pcie_pcie },
-};
-
static struct qcom_icc_bcm *aggre1_noc_bcms[] = {
};
@@ -1982,10 +1702,6 @@ static const struct qcom_icc_desc x1e80100_cnoc_main = {
static struct qcom_icc_bcm * const gem_noc_bcms[] = {
&bcm_sh0,
&bcm_sh1,
- &bcm_sh0_disp,
- &bcm_sh1_disp,
- &bcm_sh0_pcie,
- &bcm_sh1_pcie,
};
static struct qcom_icc_node * const gem_noc_nodes[] = {
@@ -2004,11 +1720,6 @@ static struct qcom_icc_node * const gem_noc_nodes[] = {
[SLAVE_GEM_NOC_CNOC] = &qns_gem_noc_cnoc,
[SLAVE_LLCC] = &qns_llcc,
[SLAVE_MEM_NOC_PCIE_SNOC] = &qns_pcie,
- [MASTER_MNOC_HF_MEM_NOC_DISP] = &qnm_mnoc_hf_disp,
- [MASTER_ANOC_PCIE_GEM_NOC_DISP] = &qnm_pcie_disp,
- [SLAVE_LLCC_DISP] = &qns_llcc_disp,
- [MASTER_ANOC_PCIE_GEM_NOC_PCIE] = &qnm_pcie_pcie,
- [SLAVE_LLCC_PCIE] = &qns_llcc_pcie,
};
static const struct qcom_icc_desc x1e80100_gem_noc = {
@@ -2067,19 +1778,11 @@ static const struct qcom_icc_desc x1e80100_lpass_lpicx_noc = {
static struct qcom_icc_bcm * const mc_virt_bcms[] = {
&bcm_acv,
&bcm_mc0,
- &bcm_acv_disp,
- &bcm_mc0_disp,
- &bcm_acv_pcie,
- &bcm_mc0_pcie,
};
static struct qcom_icc_node * const mc_virt_nodes[] = {
[MASTER_LLCC] = &llcc_mc,
[SLAVE_EBI1] = &ebi,
- [MASTER_LLCC_DISP] = &llcc_mc_disp,
- [SLAVE_EBI1_DISP] = &ebi_disp,
- [MASTER_LLCC_PCIE] = &llcc_mc_pcie,
- [SLAVE_EBI1_PCIE] = &ebi_pcie,
};
static const struct qcom_icc_desc x1e80100_mc_virt = {
@@ -2092,8 +1795,6 @@ static const struct qcom_icc_desc x1e80100_mc_virt = {
static struct qcom_icc_bcm * const mmss_noc_bcms[] = {
&bcm_mm0,
&bcm_mm1,
- &bcm_mm0_disp,
- &bcm_mm1_disp,
};
static struct qcom_icc_node * const mmss_noc_nodes[] = {
@@ -2110,8 +1811,6 @@ static struct qcom_icc_node * const mmss_noc_nodes[] = {
[SLAVE_MNOC_HF_MEM_NOC] = &qns_mem_noc_hf,
[SLAVE_MNOC_SF_MEM_NOC] = &qns_mem_noc_sf,
[SLAVE_SERVICE_MNOC] = &srvc_mnoc,
- [MASTER_MDP_DISP] = &qnm_mdp_disp,
- [SLAVE_MNOC_HF_MEM_NOC_DISP] = &qns_mem_noc_hf_disp,
};
static const struct qcom_icc_desc x1e80100_mmss_noc = {
@@ -2139,16 +1838,12 @@ static const struct qcom_icc_desc x1e80100_nsp_noc = {
static struct qcom_icc_bcm * const pcie_center_anoc_bcms[] = {
&bcm_pc0,
- &bcm_pc0_pcie,
};
static struct qcom_icc_node * const pcie_center_anoc_nodes[] = {
[MASTER_PCIE_NORTH] = &qnm_pcie_north_gem_noc,
[MASTER_PCIE_SOUTH] = &qnm_pcie_south_gem_noc,
[SLAVE_ANOC_PCIE_GEM_NOC] = &qns_pcie_mem_noc,
- [MASTER_PCIE_NORTH_PCIE] = &qnm_pcie_north_gem_noc_pcie,
- [MASTER_PCIE_SOUTH_PCIE] = &qnm_pcie_south_gem_noc_pcie,
- [SLAVE_ANOC_PCIE_GEM_NOC_PCIE] = &qns_pcie_mem_noc_pcie,
};
static const struct qcom_icc_desc x1e80100_pcie_center_anoc = {
@@ -2166,10 +1861,6 @@ static struct qcom_icc_node * const pcie_north_anoc_nodes[] = {
[MASTER_PCIE_4] = &xm_pcie_4,
[MASTER_PCIE_5] = &xm_pcie_5,
[SLAVE_PCIE_NORTH] = &qns_pcie_north_gem_noc,
- [MASTER_PCIE_3_PCIE] = &xm_pcie_3_pcie,
- [MASTER_PCIE_4_PCIE] = &xm_pcie_4_pcie,
- [MASTER_PCIE_5_PCIE] = &xm_pcie_5_pcie,
- [SLAVE_PCIE_NORTH_PCIE] = &qns_pcie_north_gem_noc_pcie,
};
static const struct qcom_icc_desc x1e80100_pcie_north_anoc = {
@@ -2189,12 +1880,6 @@ static struct qcom_icc_node * const pcie_south_anoc_nodes[] = {
[MASTER_PCIE_6A] = &xm_pcie_6a,
[MASTER_PCIE_6B] = &xm_pcie_6b,
[SLAVE_PCIE_SOUTH] = &qns_pcie_south_gem_noc,
- [MASTER_PCIE_0_PCIE] = &xm_pcie_0_pcie,
- [MASTER_PCIE_1_PCIE] = &xm_pcie_1_pcie,
- [MASTER_PCIE_2_PCIE] = &xm_pcie_2_pcie,
- [MASTER_PCIE_6A_PCIE] = &xm_pcie_6a_pcie,
- [MASTER_PCIE_6B_PCIE] = &xm_pcie_6b_pcie,
- [SLAVE_PCIE_SOUTH_PCIE] = &qns_pcie_south_gem_noc_pcie,
};
static const struct qcom_icc_desc x1e80100_pcie_south_anoc = {
--
GitLab
From 72fee6b0a3a4ad6c5131d4c20e8ab7253b16e38b Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Wed, 31 Jan 2024 17:08:23 +0100
Subject: [PATCH 0296/2686] fbdev: Restrict FB_SH_MOBILE_LCDC to SuperH
Since commit f402f7a02af6956d ("staging: board: Remove Armadillo-800-EVA
board staging code"), there are no more users of the legacy SuperH
Mobile LCDC framebuffer driver on Renesas ARM platforms. All former
users on these platforms have been converted to the SH-Mobile DRM
driver, using DT.
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Helge Deller <deller@gmx.de>
---
drivers/video/fbdev/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index 2d0bcc1d786e5..b688900bb67ee 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -1554,7 +1554,7 @@ config FB_FSL_DIU
config FB_SH_MOBILE_LCDC
tristate "SuperH Mobile LCDC framebuffer support"
depends on FB && HAVE_CLK && HAS_IOMEM
- depends on SUPERH || ARCH_RENESAS || COMPILE_TEST
+ depends on SUPERH || COMPILE_TEST
depends on FB_DEVICE
select FB_BACKLIGHT
select FB_DEFERRED_IO
--
GitLab
From 0076a37a426b6c850a0b41b814952760e4a70fcf Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Wed, 31 Jan 2024 17:11:45 +0100
Subject: [PATCH 0297/2686] dt-bindings: timer: renesas,tmu: Document input
capture interrupt
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Some Timer Unit (TMU) instances with 3 channels support a fourth
interrupt: an input capture interrupt for the third channel.
While at it, document the meaning of the four interrupts, and add
"interrupt-names" for clarity.
Update the example to match reality.
Inspired by a patch by Yoshinori Sato for SH.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/8cb38b5236213a467c6c0073f97ccc4bfd5a39ff.1706717378.git.geert+renesas@glider.be
---
.../devicetree/bindings/timer/renesas,tmu.yaml | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/timer/renesas,tmu.yaml b/Documentation/devicetree/bindings/timer/renesas,tmu.yaml
index a67e427a9e7e2..84bbe15028a1d 100644
--- a/Documentation/devicetree/bindings/timer/renesas,tmu.yaml
+++ b/Documentation/devicetree/bindings/timer/renesas,tmu.yaml
@@ -46,7 +46,19 @@ properties:
interrupts:
minItems: 2
- maxItems: 3
+ items:
+ - description: Underflow interrupt, channel 0
+ - description: Underflow interrupt, channel 1
+ - description: Underflow interrupt, channel 2
+ - description: Input capture interrupt, channel 2
+
+ interrupt-names:
+ minItems: 2
+ items:
+ - const: tuni0
+ - const: tuni1
+ - const: tuni2
+ - const: ticpi2
clocks:
maxItems: 1
@@ -100,7 +112,9 @@ examples:
reg = <0xffd80000 0x30>;
interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+ <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "tuni0", "tuni1", "tuni2", "ticpi2";
clocks = <&mstp0_clks R8A7779_CLK_TMU0>;
clock-names = "fck";
power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
--
GitLab
From 64e17ec2504a542acd239f91589927ed266bca13 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 12:49:06 -0600
Subject: [PATCH 0298/2686] remoteproc: k3-dsp: Use devm_rproc_alloc() helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184913.725435-1-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/ti_k3_dsp_remoteproc.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index ab882e3b7130b..93fbc89307d6a 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -690,8 +690,8 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
if (ret)
return dev_err_probe(dev, ret, "failed to parse firmware-name property\n");
- rproc = rproc_alloc(dev, dev_name(dev), &k3_dsp_rproc_ops, fw_name,
- sizeof(*kproc));
+ rproc = devm_rproc_alloc(dev, dev_name(dev), &k3_dsp_rproc_ops,
+ fw_name, sizeof(*kproc));
if (!rproc)
return -ENOMEM;
@@ -707,12 +707,9 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
kproc->data = data;
kproc->ti_sci = ti_sci_get_by_phandle(np, "ti,sci");
- if (IS_ERR(kproc->ti_sci)) {
- ret = dev_err_probe(dev, PTR_ERR(kproc->ti_sci),
- "failed to get ti-sci handle\n");
- kproc->ti_sci = NULL;
- goto free_rproc;
- }
+ if (IS_ERR(kproc->ti_sci))
+ return dev_err_probe(dev, PTR_ERR(kproc->ti_sci),
+ "failed to get ti-sci handle\n");
ret = of_property_read_u32(np, "ti,sci-dev-id", &kproc->ti_sci_id);
if (ret) {
@@ -810,8 +807,6 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
ret1 = ti_sci_put_handle(kproc->ti_sci);
if (ret1)
dev_err(dev, "failed to put ti_sci handle (%pe)\n", ERR_PTR(ret1));
-free_rproc:
- rproc_free(rproc);
return ret;
}
@@ -844,7 +839,6 @@ static void k3_dsp_rproc_remove(struct platform_device *pdev)
dev_err(dev, "failed to put ti_sci handle (%pe)\n", ERR_PTR(ret));
k3_dsp_reserved_mem_exit(kproc);
- rproc_free(kproc->rproc);
}
static const struct k3_dsp_mem_data c66_mems[] = {
--
GitLab
From 961a919a6dbd24b670766ae0613085d63e9c79e3 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 12:49:07 -0600
Subject: [PATCH 0299/2686] remoteproc: k3-dsp: Add devm action to release
reserved memory
Use a device lifecycle managed action to release reserved memory. This
helps prevent mistakes like releasing out of order in cleanup functions
and forgetting to release on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184913.725435-2-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/ti_k3_dsp_remoteproc.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index 93fbc89307d6a..0cb00146fe977 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -550,6 +550,13 @@ static int k3_dsp_rproc_of_get_memories(struct platform_device *pdev,
return 0;
}
+static void k3_dsp_mem_release(void *data)
+{
+ struct device *dev = data;
+
+ of_reserved_mem_device_release(dev);
+}
+
static int k3_dsp_reserved_mem_init(struct k3_dsp_rproc *kproc)
{
struct device *dev = kproc->dev;
@@ -579,13 +586,14 @@ static int k3_dsp_reserved_mem_init(struct k3_dsp_rproc *kproc)
ERR_PTR(ret));
return ret;
}
+ ret = devm_add_action_or_reset(dev, k3_dsp_mem_release, dev);
+ if (ret)
+ return ret;
num_rmems--;
kproc->rmem = kcalloc(num_rmems, sizeof(*kproc->rmem), GFP_KERNEL);
- if (!kproc->rmem) {
- ret = -ENOMEM;
- goto release_rmem;
- }
+ if (!kproc->rmem)
+ return -ENOMEM;
/* use remaining reserved memory regions for static carveouts */
for (i = 0; i < num_rmems; i++) {
@@ -628,8 +636,6 @@ static int k3_dsp_reserved_mem_init(struct k3_dsp_rproc *kproc)
for (i--; i >= 0; i--)
iounmap(kproc->rmem[i].cpu_addr);
kfree(kproc->rmem);
-release_rmem:
- of_reserved_mem_device_release(kproc->dev);
return ret;
}
@@ -640,8 +646,6 @@ static void k3_dsp_reserved_mem_exit(struct k3_dsp_rproc *kproc)
for (i = 0; i < kproc->num_rmems; i++)
iounmap(kproc->rmem[i].cpu_addr);
kfree(kproc->rmem);
-
- of_reserved_mem_device_release(kproc->dev);
}
static
--
GitLab
From 92a0915ac3eb571fc014c249c66db802be7fdac9 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 12:49:08 -0600
Subject: [PATCH 0300/2686] remoteproc: k3-dsp: Use devm_kcalloc() helper
Use a device lifecycle managed action to free memory. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184913.725435-3-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/ti_k3_dsp_remoteproc.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index 0cb00146fe977..a13552c71f440 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -591,7 +591,7 @@ static int k3_dsp_reserved_mem_init(struct k3_dsp_rproc *kproc)
return ret;
num_rmems--;
- kproc->rmem = kcalloc(num_rmems, sizeof(*kproc->rmem), GFP_KERNEL);
+ kproc->rmem = devm_kcalloc(dev, num_rmems, sizeof(*kproc->rmem), GFP_KERNEL);
if (!kproc->rmem)
return -ENOMEM;
@@ -635,7 +635,6 @@ static int k3_dsp_reserved_mem_init(struct k3_dsp_rproc *kproc)
unmap_rmem:
for (i--; i >= 0; i--)
iounmap(kproc->rmem[i].cpu_addr);
- kfree(kproc->rmem);
return ret;
}
@@ -645,7 +644,6 @@ static void k3_dsp_reserved_mem_exit(struct k3_dsp_rproc *kproc)
for (i = 0; i < kproc->num_rmems; i++)
iounmap(kproc->rmem[i].cpu_addr);
- kfree(kproc->rmem);
}
static
--
GitLab
From 8f12de7913af990230d0a97f996a4e51f05fea9b Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 12:46:24 -0600
Subject: [PATCH 0301/2686] remoteproc: imx_dsp_rproc: Use devm_rproc_alloc()
helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-1-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/imx_dsp_rproc.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c
index a1c62d15f16c6..56a799cb8b363 100644
--- a/drivers/remoteproc/imx_dsp_rproc.c
+++ b/drivers/remoteproc/imx_dsp_rproc.c
@@ -1104,8 +1104,8 @@ static int imx_dsp_rproc_probe(struct platform_device *pdev)
return ret;
}
- rproc = rproc_alloc(dev, "imx-dsp-rproc", &imx_dsp_rproc_ops, fw_name,
- sizeof(*priv));
+ rproc = devm_rproc_alloc(dev, "imx-dsp-rproc", &imx_dsp_rproc_ops,
+ fw_name, sizeof(*priv));
if (!rproc)
return -ENOMEM;
@@ -1125,14 +1125,14 @@ static int imx_dsp_rproc_probe(struct platform_device *pdev)
ret = imx_dsp_rproc_detect_mode(priv);
if (ret) {
dev_err(dev, "failed on imx_dsp_rproc_detect_mode\n");
- goto err_put_rproc;
+ return ret;
}
/* There are multiple power domains required by DSP on some platform */
ret = imx_dsp_attach_pm_domains(priv);
if (ret) {
dev_err(dev, "failed on imx_dsp_attach_pm_domains\n");
- goto err_put_rproc;
+ return ret;
}
/* Get clocks */
ret = imx_dsp_rproc_clk_get(priv);
@@ -1155,8 +1155,6 @@ static int imx_dsp_rproc_probe(struct platform_device *pdev)
err_detach_domains:
imx_dsp_detach_pm_domains(priv);
-err_put_rproc:
- rproc_free(rproc);
return ret;
}
@@ -1169,7 +1167,6 @@ static void imx_dsp_rproc_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
rproc_del(rproc);
imx_dsp_detach_pm_domains(priv);
- rproc_free(rproc);
}
/* pm runtime functions */
--
GitLab
From f1e05cc10a3e129c669c169b88fb935e7d3c64ec Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 12:46:25 -0600
Subject: [PATCH 0302/2686] remoteproc: imx_rproc: Use devm_rproc_alloc()
helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-2-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/imx_rproc.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 8bb293b9f327c..55ecce3ab5f75 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -1104,16 +1104,14 @@ static int imx_rproc_probe(struct platform_device *pdev)
int ret;
/* set some other name then imx */
- rproc = rproc_alloc(dev, "imx-rproc", &imx_rproc_ops,
- NULL, sizeof(*priv));
+ rproc = devm_rproc_alloc(dev, "imx-rproc", &imx_rproc_ops,
+ NULL, sizeof(*priv));
if (!rproc)
return -ENOMEM;
dcfg = of_device_get_match_data(dev);
- if (!dcfg) {
- ret = -EINVAL;
- goto err_put_rproc;
- }
+ if (!dcfg)
+ return -EINVAL;
priv = rproc->priv;
priv->rproc = rproc;
@@ -1124,8 +1122,7 @@ static int imx_rproc_probe(struct platform_device *pdev)
priv->workqueue = create_workqueue(dev_name(dev));
if (!priv->workqueue) {
dev_err(dev, "cannot create workqueue\n");
- ret = -ENOMEM;
- goto err_put_rproc;
+ return -ENOMEM;
}
ret = imx_rproc_xtr_mbox_init(rproc);
@@ -1167,8 +1164,6 @@ static int imx_rproc_probe(struct platform_device *pdev)
imx_rproc_free_mbox(rproc);
err_put_wkq:
destroy_workqueue(priv->workqueue);
-err_put_rproc:
- rproc_free(rproc);
return ret;
}
@@ -1183,7 +1178,6 @@ static void imx_rproc_remove(struct platform_device *pdev)
imx_rproc_put_scu(rproc);
imx_rproc_free_mbox(rproc);
destroy_workqueue(priv->workqueue);
- rproc_free(rproc);
}
static const struct of_device_id imx_rproc_of_match[] = {
--
GitLab
From 173d2c6326e39a9d87cadab179e2177a1d76294e Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 12:46:31 -0600
Subject: [PATCH 0303/2686] remoteproc: st: Use devm_rproc_alloc() helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-8-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/st_remoteproc.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)
diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c
index cb163766c56d5..1340be9d01101 100644
--- a/drivers/remoteproc/st_remoteproc.c
+++ b/drivers/remoteproc/st_remoteproc.c
@@ -347,23 +347,21 @@ static int st_rproc_probe(struct platform_device *pdev)
int enabled;
int ret, i;
- rproc = rproc_alloc(dev, np->name, &st_rproc_ops, NULL, sizeof(*ddata));
+ rproc = devm_rproc_alloc(dev, np->name, &st_rproc_ops, NULL, sizeof(*ddata));
if (!rproc)
return -ENOMEM;
rproc->has_iommu = false;
ddata = rproc->priv;
ddata->config = (struct st_rproc_config *)device_get_match_data(dev);
- if (!ddata->config) {
- ret = -ENODEV;
- goto free_rproc;
- }
+ if (!ddata->config)
+ return -ENODEV;
platform_set_drvdata(pdev, rproc);
ret = st_rproc_parse_dt(pdev);
if (ret)
- goto free_rproc;
+ return ret;
enabled = st_rproc_state(pdev);
if (enabled < 0) {
@@ -439,8 +437,7 @@ static int st_rproc_probe(struct platform_device *pdev)
mbox_free_channel(ddata->mbox_chan[i]);
free_clk:
clk_unprepare(ddata->clk);
-free_rproc:
- rproc_free(rproc);
+
return ret;
}
@@ -456,8 +453,6 @@ static void st_rproc_remove(struct platform_device *pdev)
for (i = 0; i < ST_RPROC_MAX_VRING * MBOX_MAX; i++)
mbox_free_channel(ddata->mbox_chan[i]);
-
- rproc_free(rproc);
}
static struct platform_driver st_rproc_driver = {
--
GitLab
From e160d811c5603f6205fd260cb6f5a4a22e84b80f Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 12:46:32 -0600
Subject: [PATCH 0304/2686] remoteproc: stm32: Use devm_rproc_alloc() helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-9-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/stm32_rproc.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 10b442c6f6323..88623df7d0c35 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -843,7 +843,7 @@ static int stm32_rproc_probe(struct platform_device *pdev)
if (ret)
return ret;
- rproc = rproc_alloc(dev, np->name, &st_rproc_ops, NULL, sizeof(*ddata));
+ rproc = devm_rproc_alloc(dev, np->name, &st_rproc_ops, NULL, sizeof(*ddata));
if (!rproc)
return -ENOMEM;
@@ -897,7 +897,6 @@ static int stm32_rproc_probe(struct platform_device *pdev)
dev_pm_clear_wake_irq(dev);
device_init_wakeup(dev, false);
}
- rproc_free(rproc);
return ret;
}
@@ -918,7 +917,6 @@ static void stm32_rproc_remove(struct platform_device *pdev)
dev_pm_clear_wake_irq(dev);
device_init_wakeup(dev, false);
}
- rproc_free(rproc);
}
static int stm32_rproc_suspend(struct device *dev)
--
GitLab
From ae1d892d518af5c092f2b1f8e6921996c6a95cb3 Mon Sep 17 00:00:00 2001
From: Erick Archer <erick.archer@gmx.com>
Date: Sun, 28 Jan 2024 12:27:22 +0100
Subject: [PATCH 0305/2686] bus: mhi: ep: Use kcalloc() instead of kzalloc()
This is an effort to get rid of all multiplications from allocation
functions in order to prevent integer overflows [1].
Here the multiplication is obviously safe because the "event_rings"
member never can have a value greater than 255 (8 bits). This member
is set twice using always FIELD_GET:
mhi_cntrl->event_rings = FIELD_GET(MHICFG_NER_MASK, regval);
mhi_cntrl->event_rings = FIELD_GET(MHICFG_NER_MASK, regval);
And the MHICFG_NER_MASK macro defines the 8 bits mask that guarantees
a maximum value of 255.
However, using kcalloc() is more appropriate [1] and improves
readability. This patch has no effect on runtime behavior.
Link: https://github.com/KSPP/linux/issues/162 [1]
Link: https://www.kernel.org/doc/html/next/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments [1]
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Erick Archer <erick.archer@gmx.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240128112722.4334-1-erick.archer@gmx.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
drivers/bus/mhi/ep/main.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/bus/mhi/ep/main.c b/drivers/bus/mhi/ep/main.c
index 65fc1d738bec2..8d7a4102bdb78 100644
--- a/drivers/bus/mhi/ep/main.c
+++ b/drivers/bus/mhi/ep/main.c
@@ -1149,8 +1149,9 @@ int mhi_ep_power_up(struct mhi_ep_cntrl *mhi_cntrl)
mhi_ep_mmio_mask_interrupts(mhi_cntrl);
mhi_ep_mmio_init(mhi_cntrl);
- mhi_cntrl->mhi_event = kzalloc(mhi_cntrl->event_rings * (sizeof(*mhi_cntrl->mhi_event)),
- GFP_KERNEL);
+ mhi_cntrl->mhi_event = kcalloc(mhi_cntrl->event_rings,
+ sizeof(*mhi_cntrl->mhi_event),
+ GFP_KERNEL);
if (!mhi_cntrl->mhi_event)
return -ENOMEM;
--
GitLab
From 48f9a0858bfc502767206cca1d465b173cc0d650 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Mon, 5 Feb 2024 12:27:49 -0600
Subject: [PATCH 0306/2686] remoteproc: k3-dsp: Use
devm_ti_sci_get_by_phandle() helper
Use the device lifecycle managed TI-SCI get() function. This helps prevent
mistakes like not put()'ing in the wrong order in cleanup functions and
forgetting to put() on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240205182753.36978-2-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/ti_k3_dsp_remoteproc.c | 32 +++++++----------------
1 file changed, 9 insertions(+), 23 deletions(-)
diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index a13552c71f440..64ec5759c4ec1 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -708,30 +708,24 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
kproc->dev = dev;
kproc->data = data;
- kproc->ti_sci = ti_sci_get_by_phandle(np, "ti,sci");
+ kproc->ti_sci = devm_ti_sci_get_by_phandle(dev, "ti,sci");
if (IS_ERR(kproc->ti_sci))
return dev_err_probe(dev, PTR_ERR(kproc->ti_sci),
"failed to get ti-sci handle\n");
ret = of_property_read_u32(np, "ti,sci-dev-id", &kproc->ti_sci_id);
- if (ret) {
- dev_err_probe(dev, ret, "missing 'ti,sci-dev-id' property\n");
- goto put_sci;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "missing 'ti,sci-dev-id' property\n");
kproc->reset = devm_reset_control_get_exclusive(dev, NULL);
- if (IS_ERR(kproc->reset)) {
- ret = dev_err_probe(dev, PTR_ERR(kproc->reset),
- "failed to get reset\n");
- goto put_sci;
- }
+ if (IS_ERR(kproc->reset))
+ return dev_err_probe(dev, PTR_ERR(kproc->reset),
+ "failed to get reset\n");
kproc->tsp = k3_dsp_rproc_of_get_tsp(dev, kproc->ti_sci);
- if (IS_ERR(kproc->tsp)) {
- ret = dev_err_probe(dev, PTR_ERR(kproc->tsp),
- "failed to construct ti-sci proc control\n");
- goto put_sci;
- }
+ if (IS_ERR(kproc->tsp))
+ return dev_err_probe(dev, PTR_ERR(kproc->tsp),
+ "failed to construct ti-sci proc control\n");
ret = ti_sci_proc_request(kproc->tsp);
if (ret < 0) {
@@ -805,10 +799,6 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
dev_err(dev, "failed to release proc (%pe)\n", ERR_PTR(ret1));
free_tsp:
kfree(kproc->tsp);
-put_sci:
- ret1 = ti_sci_put_handle(kproc->ti_sci);
- if (ret1)
- dev_err(dev, "failed to put ti_sci handle (%pe)\n", ERR_PTR(ret1));
return ret;
}
@@ -836,10 +826,6 @@ static void k3_dsp_rproc_remove(struct platform_device *pdev)
kfree(kproc->tsp);
- ret = ti_sci_put_handle(kproc->ti_sci);
- if (ret)
- dev_err(dev, "failed to put ti_sci handle (%pe)\n", ERR_PTR(ret));
-
k3_dsp_reserved_mem_exit(kproc);
}
--
GitLab
From 585fc027a7f4fc38b6862eeb614c7446f2d5db4a Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Mon, 5 Feb 2024 12:27:50 -0600
Subject: [PATCH 0307/2686] remoteproc: k3-dsp: Use devm_kzalloc() helper
Use device lifecycle managed devm_kzalloc() helper function. This helps
prevent mistakes like freeing out of order in cleanup functions and
forgetting to free on all error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240205182753.36978-3-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/ti_k3_dsp_remoteproc.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index 64ec5759c4ec1..b9332c66a52ab 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -659,7 +659,7 @@ struct ti_sci_proc *k3_dsp_rproc_of_get_tsp(struct device *dev,
if (ret < 0)
return ERR_PTR(ret);
- tsp = kzalloc(sizeof(*tsp), GFP_KERNEL);
+ tsp = devm_kzalloc(dev, sizeof(*tsp), GFP_KERNEL);
if (!tsp)
return ERR_PTR(-ENOMEM);
@@ -730,7 +730,7 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
ret = ti_sci_proc_request(kproc->tsp);
if (ret < 0) {
dev_err_probe(dev, ret, "ti_sci_proc_request failed\n");
- goto free_tsp;
+ return ret;
}
ret = k3_dsp_rproc_of_get_memories(pdev, kproc);
@@ -797,8 +797,6 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
ret1 = ti_sci_proc_release(kproc->tsp);
if (ret1)
dev_err(dev, "failed to release proc (%pe)\n", ERR_PTR(ret1));
-free_tsp:
- kfree(kproc->tsp);
return ret;
}
@@ -824,8 +822,6 @@ static void k3_dsp_rproc_remove(struct platform_device *pdev)
if (ret)
dev_err(dev, "failed to release proc (%pe)\n", ERR_PTR(ret));
- kfree(kproc->tsp);
-
k3_dsp_reserved_mem_exit(kproc);
}
--
GitLab
From 57ec3c126889604f1323acfadf768c113d9858d8 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Mon, 5 Feb 2024 12:27:51 -0600
Subject: [PATCH 0308/2686] remoteproc: k3-dsp: Add devm action to release tsp
Use a device lifecycle managed action to release tps ti_sci_proc handle.
This helps prevent mistakes like releasing out of order in cleanup
functions and forgetting to release on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240205182753.36978-4-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/ti_k3_dsp_remoteproc.c | 27 +++++++++++------------
1 file changed, 13 insertions(+), 14 deletions(-)
diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index b9332c66a52ab..800c8c6767086 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -646,6 +646,13 @@ static void k3_dsp_reserved_mem_exit(struct k3_dsp_rproc *kproc)
iounmap(kproc->rmem[i].cpu_addr);
}
+static void k3_dsp_release_tsp(void *data)
+{
+ struct ti_sci_proc *tsp = data;
+
+ ti_sci_proc_release(tsp);
+}
+
static
struct ti_sci_proc *k3_dsp_rproc_of_get_tsp(struct device *dev,
const struct ti_sci_handle *sci)
@@ -682,7 +689,6 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
const char *fw_name;
bool p_state = false;
int ret = 0;
- int ret1;
data = of_device_get_match_data(dev);
if (!data)
@@ -732,16 +738,17 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
dev_err_probe(dev, ret, "ti_sci_proc_request failed\n");
return ret;
}
+ ret = devm_add_action_or_reset(dev, k3_dsp_release_tsp, kproc->tsp);
+ if (ret)
+ return ret;
ret = k3_dsp_rproc_of_get_memories(pdev, kproc);
if (ret)
- goto release_tsp;
+ return ret;
ret = k3_dsp_reserved_mem_init(kproc);
- if (ret) {
- dev_err_probe(dev, ret, "reserved memory init failed\n");
- goto release_tsp;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "reserved memory init failed\n");
ret = kproc->ti_sci->ops.dev_ops.is_on(kproc->ti_sci, kproc->ti_sci_id,
NULL, &p_state);
@@ -793,10 +800,6 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
release_mem:
k3_dsp_reserved_mem_exit(kproc);
-release_tsp:
- ret1 = ti_sci_proc_release(kproc->tsp);
- if (ret1)
- dev_err(dev, "failed to release proc (%pe)\n", ERR_PTR(ret1));
return ret;
}
@@ -818,10 +821,6 @@ static void k3_dsp_rproc_remove(struct platform_device *pdev)
rproc_del(kproc->rproc);
- ret = ti_sci_proc_release(kproc->tsp);
- if (ret)
- dev_err(dev, "failed to release proc (%pe)\n", ERR_PTR(ret));
-
k3_dsp_reserved_mem_exit(kproc);
}
--
GitLab
From 8a5d6899e9a5377e8f3e95bf0a64a6d331876b6c Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Mon, 5 Feb 2024 12:27:52 -0600
Subject: [PATCH 0309/2686] remoteproc: k3-dsp: Use devm_ioremap_wc() helper
Use a device lifecycle managed ioremap helper function. This helps prevent
mistakes like unmapping out of order in cleanup functions and forgetting
to unmap on all error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240205182753.36978-5-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/ti_k3_dsp_remoteproc.c | 48 +++++------------------
1 file changed, 10 insertions(+), 38 deletions(-)
diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index 800c8c6767086..f799f74734b4a 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -598,16 +598,13 @@ static int k3_dsp_reserved_mem_init(struct k3_dsp_rproc *kproc)
/* use remaining reserved memory regions for static carveouts */
for (i = 0; i < num_rmems; i++) {
rmem_np = of_parse_phandle(np, "memory-region", i + 1);
- if (!rmem_np) {
- ret = -EINVAL;
- goto unmap_rmem;
- }
+ if (!rmem_np)
+ return -EINVAL;
rmem = of_reserved_mem_lookup(rmem_np);
if (!rmem) {
of_node_put(rmem_np);
- ret = -EINVAL;
- goto unmap_rmem;
+ return -EINVAL;
}
of_node_put(rmem_np);
@@ -615,12 +612,11 @@ static int k3_dsp_reserved_mem_init(struct k3_dsp_rproc *kproc)
/* 64-bit address regions currently not supported */
kproc->rmem[i].dev_addr = (u32)rmem->base;
kproc->rmem[i].size = rmem->size;
- kproc->rmem[i].cpu_addr = ioremap_wc(rmem->base, rmem->size);
+ kproc->rmem[i].cpu_addr = devm_ioremap_wc(dev, rmem->base, rmem->size);
if (!kproc->rmem[i].cpu_addr) {
dev_err(dev, "failed to map reserved memory#%d at %pa of size %pa\n",
i + 1, &rmem->base, &rmem->size);
- ret = -ENOMEM;
- goto unmap_rmem;
+ return -ENOMEM;
}
dev_dbg(dev, "reserved memory%d: bus addr %pa size 0x%zx va %pK da 0x%x\n",
@@ -631,19 +627,6 @@ static int k3_dsp_reserved_mem_init(struct k3_dsp_rproc *kproc)
kproc->num_rmems = num_rmems;
return 0;
-
-unmap_rmem:
- for (i--; i >= 0; i--)
- iounmap(kproc->rmem[i].cpu_addr);
- return ret;
-}
-
-static void k3_dsp_reserved_mem_exit(struct k3_dsp_rproc *kproc)
-{
- int i;
-
- for (i = 0; i < kproc->num_rmems; i++)
- iounmap(kproc->rmem[i].cpu_addr);
}
static void k3_dsp_release_tsp(void *data)
@@ -752,10 +735,8 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
ret = kproc->ti_sci->ops.dev_ops.is_on(kproc->ti_sci, kproc->ti_sci_id,
NULL, &p_state);
- if (ret) {
- dev_err_probe(dev, ret, "failed to get initial state, mode cannot be determined\n");
- goto release_mem;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to get initial state, mode cannot be determined\n");
/* configure J721E devices for either remoteproc or IPC-only mode */
if (p_state) {
@@ -779,8 +760,7 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
if (data->uses_lreset) {
ret = reset_control_status(kproc->reset);
if (ret < 0) {
- dev_err_probe(dev, ret, "failed to get reset status\n");
- goto release_mem;
+ return dev_err_probe(dev, ret, "failed to get reset status\n");
} else if (ret == 0) {
dev_warn(dev, "local reset is deasserted for device\n");
k3_dsp_rproc_reset(kproc);
@@ -789,18 +769,12 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
}
ret = rproc_add(rproc);
- if (ret) {
- dev_err_probe(dev, ret, "failed to add register device with remoteproc core\n");
- goto release_mem;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to add register device with remoteproc core\n");
platform_set_drvdata(pdev, kproc);
return 0;
-
-release_mem:
- k3_dsp_reserved_mem_exit(kproc);
- return ret;
}
static void k3_dsp_rproc_remove(struct platform_device *pdev)
@@ -820,8 +794,6 @@ static void k3_dsp_rproc_remove(struct platform_device *pdev)
}
rproc_del(kproc->rproc);
-
- k3_dsp_reserved_mem_exit(kproc);
}
static const struct k3_dsp_mem_data c66_mems[] = {
--
GitLab
From 456a75ab51967c4c594519795a9f49c40662c291 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Mon, 5 Feb 2024 12:27:53 -0600
Subject: [PATCH 0310/2686] remoteproc: k3-dsp: Use devm_rproc_add() helper
Use device lifecycle managed devm_rproc_add() helper function. This helps
prevent mistakes like deleting out of order in cleanup functions and
forgetting to delete on all error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240205182753.36978-6-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/remoteproc/ti_k3_dsp_remoteproc.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index f799f74734b4a..3555b535b1683 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -768,7 +768,7 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
}
}
- ret = rproc_add(rproc);
+ ret = devm_rproc_add(dev, rproc);
if (ret)
return dev_err_probe(dev, ret, "failed to add register device with remoteproc core\n");
@@ -786,14 +786,9 @@ static void k3_dsp_rproc_remove(struct platform_device *pdev)
if (rproc->state == RPROC_ATTACHED) {
ret = rproc_detach(rproc);
- if (ret) {
- /* Note this error path leaks resources */
+ if (ret)
dev_err(dev, "failed to detach proc (%pe)\n", ERR_PTR(ret));
- return;
- }
}
-
- rproc_del(kproc->rproc);
}
static const struct k3_dsp_mem_data c66_mems[] = {
--
GitLab
From b03aa6d4e9a74c4289929b6cf3c6bcc80270682d Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sun, 4 Feb 2024 17:32:05 -0300
Subject: [PATCH 0311/2686] rpmsg: core: Make rpmsg_bus const
Now that the driver core can properly handle constant struct bus_type,
move the rpmsg_bus variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-rpmsg-v1-1-1703508c23b7@marliere.net
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
drivers/rpmsg/rpmsg_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index 8abc7d022ff71..4295c01a2861b 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -605,7 +605,7 @@ static void rpmsg_dev_remove(struct device *dev)
rpmsg_destroy_ept(rpdev->ept);
}
-static struct bus_type rpmsg_bus = {
+static const struct bus_type rpmsg_bus = {
.name = "rpmsg",
.match = rpmsg_dev_match,
.dev_groups = rpmsg_dev_groups,
--
GitLab
From ceeb64f41fe6a1eb9fc56d583983a81f8f3dd058 Mon Sep 17 00:00:00 2001
From: Krishna chaitanya chundru <quic_krichai@quicinc.com>
Date: Tue, 6 Feb 2024 10:02:05 +0530
Subject: [PATCH 0312/2686] bus: mhi: host: Add tracing support
This change adds ftrace support for following functions which
helps in debugging the issues when there is Channel state & MHI
state change and also when we receive data and control events:
1. mhi_intvec_mhi_states
2. mhi_process_data_event_ring
3. mhi_process_ctrl_ev_ring
4. mhi_gen_tre
5. mhi_update_channel_state
6. mhi_tryset_pm_state
7. mhi_pm_st_worker
Change the implementation of the arrays which has enum to strings mapping
to make it consistent in both trace header file and other files.
Where ever the trace events are added, debug messages are removed.
Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/20240206-ftrace_support-v11-1-3f71dc187544@quicinc.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
drivers/bus/mhi/common.h | 38 ++---
drivers/bus/mhi/host/init.c | 64 ++++----
drivers/bus/mhi/host/internal.h | 41 +++++
drivers/bus/mhi/host/main.c | 19 +--
drivers/bus/mhi/host/pm.c | 7 +-
drivers/bus/mhi/host/trace.h | 280 ++++++++++++++++++++++++++++++++
6 files changed, 384 insertions(+), 65 deletions(-)
create mode 100644 drivers/bus/mhi/host/trace.h
diff --git a/drivers/bus/mhi/common.h b/drivers/bus/mhi/common.h
index f794b9c8049e2..dda340aaed95a 100644
--- a/drivers/bus/mhi/common.h
+++ b/drivers/bus/mhi/common.h
@@ -297,30 +297,30 @@ struct mhi_ring_element {
__le32 dword[2];
};
+#define MHI_STATE_LIST \
+ mhi_state(RESET, "RESET") \
+ mhi_state(READY, "READY") \
+ mhi_state(M0, "M0") \
+ mhi_state(M1, "M1") \
+ mhi_state(M2, "M2") \
+ mhi_state(M3, "M3") \
+ mhi_state(M3_FAST, "M3_FAST") \
+ mhi_state(BHI, "BHI") \
+ mhi_state_end(SYS_ERR, "SYS ERROR")
+
+#undef mhi_state
+#undef mhi_state_end
+
+#define mhi_state(a, b) case MHI_STATE_##a: return b;
+#define mhi_state_end(a, b) case MHI_STATE_##a: return b;
+
static inline const char *mhi_state_str(enum mhi_state state)
{
switch (state) {
- case MHI_STATE_RESET:
- return "RESET";
- case MHI_STATE_READY:
- return "READY";
- case MHI_STATE_M0:
- return "M0";
- case MHI_STATE_M1:
- return "M1";
- case MHI_STATE_M2:
- return "M2";
- case MHI_STATE_M3:
- return "M3";
- case MHI_STATE_M3_FAST:
- return "M3 FAST";
- case MHI_STATE_BHI:
- return "BHI";
- case MHI_STATE_SYS_ERR:
- return "SYS ERROR";
+ MHI_STATE_LIST
default:
return "Unknown state";
}
-};
+}
#endif /* _MHI_COMMON_H */
diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c
index 6d3b045ab2590..944da46e6f11a 100644
--- a/drivers/bus/mhi/host/init.c
+++ b/drivers/bus/mhi/host/init.c
@@ -20,51 +20,49 @@
#include <linux/wait.h>
#include "internal.h"
+#define CREATE_TRACE_POINTS
+#include "trace.h"
+
static DEFINE_IDA(mhi_controller_ida);
+#undef mhi_ee
+#undef mhi_ee_end
+
+#define mhi_ee(a, b) [MHI_EE_##a] = b,
+#define mhi_ee_end(a, b) [MHI_EE_##a] = b,
+
const char * const mhi_ee_str[MHI_EE_MAX] = {
- [MHI_EE_PBL] = "PRIMARY BOOTLOADER",
- [MHI_EE_SBL] = "SECONDARY BOOTLOADER",
- [MHI_EE_AMSS] = "MISSION MODE",
- [MHI_EE_RDDM] = "RAMDUMP DOWNLOAD MODE",
- [MHI_EE_WFW] = "WLAN FIRMWARE",
- [MHI_EE_PTHRU] = "PASS THROUGH",
- [MHI_EE_EDL] = "EMERGENCY DOWNLOAD",
- [MHI_EE_FP] = "FLASH PROGRAMMER",
- [MHI_EE_DISABLE_TRANSITION] = "DISABLE",
- [MHI_EE_NOT_SUPPORTED] = "NOT SUPPORTED",
+ MHI_EE_LIST
};
+#undef dev_st_trans
+#undef dev_st_trans_end
+
+#define dev_st_trans(a, b) [DEV_ST_TRANSITION_##a] = b,
+#define dev_st_trans_end(a, b) [DEV_ST_TRANSITION_##a] = b,
+
const char * const dev_state_tran_str[DEV_ST_TRANSITION_MAX] = {
- [DEV_ST_TRANSITION_PBL] = "PBL",
- [DEV_ST_TRANSITION_READY] = "READY",
- [DEV_ST_TRANSITION_SBL] = "SBL",
- [DEV_ST_TRANSITION_MISSION_MODE] = "MISSION MODE",
- [DEV_ST_TRANSITION_FP] = "FLASH PROGRAMMER",
- [DEV_ST_TRANSITION_SYS_ERR] = "SYS ERROR",
- [DEV_ST_TRANSITION_DISABLE] = "DISABLE",
+ DEV_ST_TRANSITION_LIST
};
+#undef ch_state_type
+#undef ch_state_type_end
+
+#define ch_state_type(a, b) [MHI_CH_STATE_TYPE_##a] = b,
+#define ch_state_type_end(a, b) [MHI_CH_STATE_TYPE_##a] = b,
+
const char * const mhi_ch_state_type_str[MHI_CH_STATE_TYPE_MAX] = {
- [MHI_CH_STATE_TYPE_RESET] = "RESET",
- [MHI_CH_STATE_TYPE_STOP] = "STOP",
- [MHI_CH_STATE_TYPE_START] = "START",
+ MHI_CH_STATE_TYPE_LIST
};
+#undef mhi_pm_state
+#undef mhi_pm_state_end
+
+#define mhi_pm_state(a, b) [MHI_PM_STATE_##a] = b,
+#define mhi_pm_state_end(a, b) [MHI_PM_STATE_##a] = b,
+
static const char * const mhi_pm_state_str[] = {
- [MHI_PM_STATE_DISABLE] = "DISABLE",
- [MHI_PM_STATE_POR] = "POWER ON RESET",
- [MHI_PM_STATE_M0] = "M0",
- [MHI_PM_STATE_M2] = "M2",
- [MHI_PM_STATE_M3_ENTER] = "M?->M3",
- [MHI_PM_STATE_M3] = "M3",
- [MHI_PM_STATE_M3_EXIT] = "M3->M0",
- [MHI_PM_STATE_FW_DL_ERR] = "Firmware Download Error",
- [MHI_PM_STATE_SYS_ERR_DETECT] = "SYS ERROR Detect",
- [MHI_PM_STATE_SYS_ERR_PROCESS] = "SYS ERROR Process",
- [MHI_PM_STATE_SYS_ERR_FAIL] = "SYS ERROR Failure",
- [MHI_PM_STATE_SHUTDOWN_PROCESS] = "SHUTDOWN Process",
- [MHI_PM_STATE_LD_ERR_FATAL_DETECT] = "Linkdown or Error Fatal Detect",
+ MHI_PM_STATE_LIST
};
const char *to_mhi_pm_state_str(u32 state)
diff --git a/drivers/bus/mhi/host/internal.h b/drivers/bus/mhi/host/internal.h
index 4b6deea17bcd2..091244cf17c68 100644
--- a/drivers/bus/mhi/host/internal.h
+++ b/drivers/bus/mhi/host/internal.h
@@ -42,6 +42,11 @@ enum mhi_ch_state_type {
MHI_CH_STATE_TYPE_MAX,
};
+#define MHI_CH_STATE_TYPE_LIST \
+ ch_state_type(RESET, "RESET") \
+ ch_state_type(STOP, "STOP") \
+ ch_state_type_end(START, "START")
+
extern const char * const mhi_ch_state_type_str[MHI_CH_STATE_TYPE_MAX];
#define TO_CH_STATE_TYPE_STR(state) (((state) >= MHI_CH_STATE_TYPE_MAX) ? \
"INVALID_STATE" : \
@@ -50,6 +55,18 @@ extern const char * const mhi_ch_state_type_str[MHI_CH_STATE_TYPE_MAX];
#define MHI_INVALID_BRSTMODE(mode) (mode != MHI_DB_BRST_DISABLE && \
mode != MHI_DB_BRST_ENABLE)
+#define MHI_EE_LIST \
+ mhi_ee(PBL, "PRIMARY BOOTLOADER") \
+ mhi_ee(SBL, "SECONDARY BOOTLOADER") \
+ mhi_ee(AMSS, "MISSION MODE") \
+ mhi_ee(RDDM, "RAMDUMP DOWNLOAD MODE")\
+ mhi_ee(WFW, "WLAN FIRMWARE") \
+ mhi_ee(PTHRU, "PASS THROUGH") \
+ mhi_ee(EDL, "EMERGENCY DOWNLOAD") \
+ mhi_ee(FP, "FLASH PROGRAMMER") \
+ mhi_ee(DISABLE_TRANSITION, "DISABLE") \
+ mhi_ee_end(NOT_SUPPORTED, "NOT SUPPORTED")
+
extern const char * const mhi_ee_str[MHI_EE_MAX];
#define TO_MHI_EXEC_STR(ee) (((ee) >= MHI_EE_MAX) ? \
"INVALID_EE" : mhi_ee_str[ee])
@@ -72,6 +89,15 @@ enum dev_st_transition {
DEV_ST_TRANSITION_MAX,
};
+#define DEV_ST_TRANSITION_LIST \
+ dev_st_trans(PBL, "PBL") \
+ dev_st_trans(READY, "READY") \
+ dev_st_trans(SBL, "SBL") \
+ dev_st_trans(MISSION_MODE, "MISSION MODE") \
+ dev_st_trans(FP, "FLASH PROGRAMMER") \
+ dev_st_trans(SYS_ERR, "SYS ERROR") \
+ dev_st_trans_end(DISABLE, "DISABLE")
+
extern const char * const dev_state_tran_str[DEV_ST_TRANSITION_MAX];
#define TO_DEV_STATE_TRANS_STR(state) (((state) >= DEV_ST_TRANSITION_MAX) ? \
"INVALID_STATE" : dev_state_tran_str[state])
@@ -94,6 +120,21 @@ enum mhi_pm_state {
MHI_PM_STATE_MAX
};
+#define MHI_PM_STATE_LIST \
+ mhi_pm_state(DISABLE, "DISABLE") \
+ mhi_pm_state(POR, "POWER ON RESET") \
+ mhi_pm_state(M0, "M0") \
+ mhi_pm_state(M2, "M2") \
+ mhi_pm_state(M3_ENTER, "M?->M3") \
+ mhi_pm_state(M3, "M3") \
+ mhi_pm_state(M3_EXIT, "M3->M0") \
+ mhi_pm_state(FW_DL_ERR, "Firmware Download Error") \
+ mhi_pm_state(SYS_ERR_DETECT, "SYS ERROR Detect") \
+ mhi_pm_state(SYS_ERR_PROCESS, "SYS ERROR Process") \
+ mhi_pm_state(SYS_ERR_FAIL, "SYS ERROR Failure") \
+ mhi_pm_state(SHUTDOWN_PROCESS, "SHUTDOWN Process") \
+ mhi_pm_state_end(LD_ERR_FATAL_DETECT, "Linkdown or Error Fatal Detect")
+
#define MHI_PM_DISABLE BIT(0)
#define MHI_PM_POR BIT(1)
#define MHI_PM_M0 BIT(2)
diff --git a/drivers/bus/mhi/host/main.c b/drivers/bus/mhi/host/main.c
index abb561db9ae1d..2d38f6005da65 100644
--- a/drivers/bus/mhi/host/main.c
+++ b/drivers/bus/mhi/host/main.c
@@ -15,6 +15,7 @@
#include <linux/skbuff.h>
#include <linux/slab.h>
#include "internal.h"
+#include "trace.h"
int __must_check mhi_read_reg(struct mhi_controller *mhi_cntrl,
void __iomem *base, u32 offset, u32 *out)
@@ -493,11 +494,8 @@ irqreturn_t mhi_intvec_threaded_handler(int irq_number, void *priv)
state = mhi_get_mhi_state(mhi_cntrl);
ee = mhi_get_exec_env(mhi_cntrl);
- dev_dbg(dev, "local ee: %s state: %s device ee: %s state: %s\n",
- TO_MHI_EXEC_STR(mhi_cntrl->ee),
- mhi_state_str(mhi_cntrl->dev_state),
- TO_MHI_EXEC_STR(ee), mhi_state_str(state));
+ trace_mhi_intvec_states(mhi_cntrl, ee, state);
if (state == MHI_STATE_SYS_ERR) {
dev_dbg(dev, "System error detected\n");
pm_state = mhi_tryset_pm_state(mhi_cntrl,
@@ -838,6 +836,8 @@ int mhi_process_ctrl_ev_ring(struct mhi_controller *mhi_cntrl,
while (dev_rp != local_rp) {
enum mhi_pkt_type type = MHI_TRE_GET_EV_TYPE(local_rp);
+ trace_mhi_ctrl_event(mhi_cntrl, local_rp);
+
switch (type) {
case MHI_PKT_TYPE_BW_REQ_EVENT:
{
@@ -1003,6 +1003,8 @@ int mhi_process_data_event_ring(struct mhi_controller *mhi_cntrl,
while (dev_rp != local_rp && event_quota > 0) {
enum mhi_pkt_type type = MHI_TRE_GET_EV_TYPE(local_rp);
+ trace_mhi_data_event(mhi_cntrl, local_rp);
+
chan = MHI_TRE_GET_EV_CHID(local_rp);
WARN_ON(chan >= mhi_cntrl->max_chan);
@@ -1243,6 +1245,7 @@ int mhi_gen_tre(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan,
mhi_tre->dword[0] = MHI_TRE_DATA_DWORD0(info->len);
mhi_tre->dword[1] = MHI_TRE_DATA_DWORD1(bei, eot, eob, chain);
+ trace_mhi_gen_tre(mhi_cntrl, mhi_chan, mhi_tre);
/* increment WP */
mhi_add_ring_element(mhi_cntrl, tre_ring);
mhi_add_ring_element(mhi_cntrl, buf_ring);
@@ -1337,9 +1340,7 @@ static int mhi_update_channel_state(struct mhi_controller *mhi_cntrl,
enum mhi_cmd_type cmd = MHI_CMD_NOP;
int ret;
- dev_dbg(dev, "%d: Updating channel state to: %s\n", mhi_chan->chan,
- TO_CH_STATE_TYPE_STR(to_state));
-
+ trace_mhi_channel_command_start(mhi_cntrl, mhi_chan, to_state, "Updating");
switch (to_state) {
case MHI_CH_STATE_TYPE_RESET:
write_lock_irq(&mhi_chan->lock);
@@ -1406,9 +1407,7 @@ static int mhi_update_channel_state(struct mhi_controller *mhi_cntrl,
write_unlock_irq(&mhi_chan->lock);
}
- dev_dbg(dev, "%d: Channel state change to %s successful\n",
- mhi_chan->chan, TO_CH_STATE_TYPE_STR(to_state));
-
+ trace_mhi_channel_command_end(mhi_cntrl, mhi_chan, to_state, "Updated");
exit_channel_update:
mhi_cntrl->runtime_put(mhi_cntrl);
mhi_device_put(mhi_cntrl->mhi_dev);
diff --git a/drivers/bus/mhi/host/pm.c b/drivers/bus/mhi/host/pm.c
index d0d033ce9984b..8b40d3f01accd 100644
--- a/drivers/bus/mhi/host/pm.c
+++ b/drivers/bus/mhi/host/pm.c
@@ -15,6 +15,7 @@
#include <linux/slab.h>
#include <linux/wait.h>
#include "internal.h"
+#include "trace.h"
/*
* Not all MHI state transitions are synchronous. Transitions like Linkdown,
@@ -131,6 +132,7 @@ enum mhi_pm_state __must_check mhi_tryset_pm_state(struct mhi_controller *mhi_cn
if (unlikely(!(dev_state_transitions[index].to_states & state)))
return cur_state;
+ trace_mhi_tryset_pm_state(mhi_cntrl, state);
mhi_cntrl->pm_state = state;
return mhi_cntrl->pm_state;
}
@@ -772,7 +774,6 @@ void mhi_pm_st_worker(struct work_struct *work)
struct mhi_controller *mhi_cntrl = container_of(work,
struct mhi_controller,
st_worker);
- struct device *dev = &mhi_cntrl->mhi_dev->dev;
spin_lock_irq(&mhi_cntrl->transition_lock);
list_splice_tail_init(&mhi_cntrl->transition_list, &head);
@@ -780,8 +781,8 @@ void mhi_pm_st_worker(struct work_struct *work)
list_for_each_entry_safe(itr, tmp, &head, node) {
list_del(&itr->node);
- dev_dbg(dev, "Handling state transition: %s\n",
- TO_DEV_STATE_TRANS_STR(itr->state));
+
+ trace_mhi_pm_st_transition(mhi_cntrl, itr->state);
switch (itr->state) {
case DEV_ST_TRANSITION_PBL:
diff --git a/drivers/bus/mhi/host/trace.h b/drivers/bus/mhi/host/trace.h
new file mode 100644
index 0000000000000..d12a98d442728
--- /dev/null
+++ b/drivers/bus/mhi/host/trace.h
@@ -0,0 +1,280 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mhi_host
+
+#if !defined(_TRACE_EVENT_MHI_HOST_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_EVENT_MHI_HOST_H
+
+#include <linux/tracepoint.h>
+#include <linux/trace_seq.h>
+#include "../common.h"
+#include "internal.h"
+
+#undef mhi_state
+#undef mhi_state_end
+
+#define mhi_state(a, b) TRACE_DEFINE_ENUM(MHI_STATE_##a);
+#define mhi_state_end(a, b) TRACE_DEFINE_ENUM(MHI_STATE_##a);
+
+MHI_STATE_LIST
+
+#undef mhi_state
+#undef mhi_state_end
+
+#define mhi_state(a, b) { MHI_STATE_##a, b },
+#define mhi_state_end(a, b) { MHI_STATE_##a, b }
+
+#undef mhi_pm_state
+#undef mhi_pm_state_end
+
+#define mhi_pm_state(a, b) TRACE_DEFINE_ENUM(MHI_PM_STATE_##a);
+#define mhi_pm_state_end(a, b) TRACE_DEFINE_ENUM(MHI_PM_STATE_##a);
+
+MHI_PM_STATE_LIST
+
+#undef mhi_pm_state
+#undef mhi_pm_state_end
+
+#define mhi_pm_state(a, b) { MHI_PM_STATE_##a, b },
+#define mhi_pm_state_end(a, b) { MHI_PM_STATE_##a, b }
+
+#undef mhi_ee
+#undef mhi_ee_end
+
+#define mhi_ee(a, b) TRACE_DEFINE_ENUM(MHI_EE_##a);
+#define mhi_ee_end(a, b) TRACE_DEFINE_ENUM(MHI_EE_##a);
+
+MHI_EE_LIST
+
+#undef mhi_ee
+#undef mhi_ee_end
+
+#define mhi_ee(a, b) { MHI_EE_##a, b },
+#define mhi_ee_end(a, b) { MHI_EE_##a, b }
+
+#undef ch_state_type
+#undef ch_state_type_end
+
+#define ch_state_type(a, b) TRACE_DEFINE_ENUM(MHI_CH_STATE_TYPE_##a);
+#define ch_state_type_end(a, b) TRACE_DEFINE_ENUM(MHI_CH_STATE_TYPE_##a);
+
+MHI_CH_STATE_TYPE_LIST
+
+#undef ch_state_type
+#undef ch_state_type_end
+
+#define ch_state_type(a, b) { MHI_CH_STATE_TYPE_##a, b },
+#define ch_state_type_end(a, b) { MHI_CH_STATE_TYPE_##a, b }
+
+#undef dev_st_trans
+#undef dev_st_trans_end
+
+#define dev_st_trans(a, b) TRACE_DEFINE_ENUM(DEV_ST_TRANSITION_##a);
+#define dev_st_trans_end(a, b) TRACE_DEFINE_ENUM(DEV_ST_TRANSITION_##a);
+
+DEV_ST_TRANSITION_LIST
+
+#undef dev_st_trans
+#undef dev_st_trans_end
+
+#define dev_st_trans(a, b) { DEV_ST_TRANSITION_##a, b },
+#define dev_st_trans_end(a, b) { DEV_ST_TRANSITION_##a, b }
+
+TRACE_EVENT(mhi_gen_tre,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan,
+ struct mhi_ring_element *mhi_tre),
+
+ TP_ARGS(mhi_cntrl, mhi_chan, mhi_tre),
+
+ TP_STRUCT__entry(
+ __string(name, mhi_cntrl->mhi_dev->name)
+ __field(int, ch_num)
+ __field(void *, wp)
+ __field(__le64, tre_ptr)
+ __field(__le32, dword0)
+ __field(__le32, dword1)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, mhi_cntrl->mhi_dev->name);
+ __entry->ch_num = mhi_chan->chan;
+ __entry->wp = mhi_tre;
+ __entry->tre_ptr = mhi_tre->ptr;
+ __entry->dword0 = mhi_tre->dword[0];
+ __entry->dword1 = mhi_tre->dword[1];
+ ),
+
+ TP_printk("%s: Chan: %d TRE: 0x%p TRE buf: 0x%llx DWORD0: 0x%08x DWORD1: 0x%08x\n",
+ __get_str(name), __entry->ch_num, __entry->wp, __entry->tre_ptr,
+ __entry->dword0, __entry->dword1)
+);
+
+TRACE_EVENT(mhi_intvec_states,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, int dev_ee, int dev_state),
+
+ TP_ARGS(mhi_cntrl, dev_ee, dev_state),
+
+ TP_STRUCT__entry(
+ __string(name, mhi_cntrl->mhi_dev->name)
+ __field(int, local_ee)
+ __field(int, state)
+ __field(int, dev_ee)
+ __field(int, dev_state)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, mhi_cntrl->mhi_dev->name);
+ __entry->local_ee = mhi_cntrl->ee;
+ __entry->state = mhi_cntrl->dev_state;
+ __entry->dev_ee = dev_ee;
+ __entry->dev_state = dev_state;
+ ),
+
+ TP_printk("%s: Local EE: %s State: %s Device EE: %s Dev State: %s\n",
+ __get_str(name),
+ __print_symbolic(__entry->local_ee, MHI_EE_LIST),
+ __print_symbolic(__entry->state, MHI_STATE_LIST),
+ __print_symbolic(__entry->dev_ee, MHI_EE_LIST),
+ __print_symbolic(__entry->dev_state, MHI_STATE_LIST))
+);
+
+TRACE_EVENT(mhi_tryset_pm_state,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, int pm_state),
+
+ TP_ARGS(mhi_cntrl, pm_state),
+
+ TP_STRUCT__entry(
+ __string(name, mhi_cntrl->mhi_dev->name)
+ __field(int, pm_state)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, mhi_cntrl->mhi_dev->name);
+ if (pm_state)
+ pm_state = __fls(pm_state);
+ __entry->pm_state = pm_state;
+ ),
+
+ TP_printk("%s: PM state: %s\n", __get_str(name),
+ __print_symbolic(__entry->pm_state, MHI_PM_STATE_LIST))
+);
+
+DECLARE_EVENT_CLASS(mhi_process_event_ring,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_ring_element *rp),
+
+ TP_ARGS(mhi_cntrl, rp),
+
+ TP_STRUCT__entry(
+ __string(name, mhi_cntrl->mhi_dev->name)
+ __field(__le32, dword0)
+ __field(__le32, dword1)
+ __field(int, state)
+ __field(__le64, ptr)
+ __field(void *, rp)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, mhi_cntrl->mhi_dev->name);
+ __entry->rp = rp;
+ __entry->ptr = rp->ptr;
+ __entry->dword0 = rp->dword[0];
+ __entry->dword1 = rp->dword[1];
+ __entry->state = MHI_TRE_GET_EV_STATE(rp);
+ ),
+
+ TP_printk("%s: TRE: 0x%p TRE buf: 0x%llx DWORD0: 0x%08x DWORD1: 0x%08x State: %s\n",
+ __get_str(name), __entry->rp, __entry->ptr, __entry->dword0,
+ __entry->dword1, __print_symbolic(__entry->state, MHI_STATE_LIST))
+);
+
+DEFINE_EVENT(mhi_process_event_ring, mhi_data_event,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_ring_element *rp),
+
+ TP_ARGS(mhi_cntrl, rp)
+);
+
+DEFINE_EVENT(mhi_process_event_ring, mhi_ctrl_event,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_ring_element *rp),
+
+ TP_ARGS(mhi_cntrl, rp)
+);
+
+DECLARE_EVENT_CLASS(mhi_update_channel_state,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan, int state,
+ const char *reason),
+
+ TP_ARGS(mhi_cntrl, mhi_chan, state, reason),
+
+ TP_STRUCT__entry(
+ __string(name, mhi_cntrl->mhi_dev->name)
+ __field(int, ch_num)
+ __field(int, state)
+ __field(const char *, reason)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, mhi_cntrl->mhi_dev->name);
+ __entry->ch_num = mhi_chan->chan;
+ __entry->state = state;
+ __entry->reason = reason;
+ ),
+
+ TP_printk("%s: chan%d: %s state to: %s\n",
+ __get_str(name), __entry->ch_num, __entry->reason,
+ __print_symbolic(__entry->state, MHI_CH_STATE_TYPE_LIST))
+);
+
+DEFINE_EVENT(mhi_update_channel_state, mhi_channel_command_start,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan, int state,
+ const char *reason),
+
+ TP_ARGS(mhi_cntrl, mhi_chan, state, reason)
+);
+
+DEFINE_EVENT(mhi_update_channel_state, mhi_channel_command_end,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan, int state,
+ const char *reason),
+
+ TP_ARGS(mhi_cntrl, mhi_chan, state, reason)
+);
+
+TRACE_EVENT(mhi_pm_st_transition,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, int state),
+
+ TP_ARGS(mhi_cntrl, state),
+
+ TP_STRUCT__entry(
+ __string(name, mhi_cntrl->mhi_dev->name)
+ __field(int, state)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, mhi_cntrl->mhi_dev->name);
+ __entry->state = state;
+ ),
+
+ TP_printk("%s: Handling state transition: %s\n", __get_str(name),
+ __print_symbolic(__entry->state, DEV_ST_TRANSITION_LIST))
+);
+
+#endif
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH ../../drivers/bus/mhi/host
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+
+#include <trace/define_trace.h>
--
GitLab
From 52b56990d214c7403b20f691ac61861a37c0f0db Mon Sep 17 00:00:00 2001
From: Konrad Dybcio <konrad.dybcio@linaro.org>
Date: Thu, 1 Feb 2024 18:01:12 +0100
Subject: [PATCH 0313/2686] Revert "tty: serial: amba-pl011: Remove QDF2xxx
workarounds"
The original commit assumed this hardware is long rotting in the
junkyards, but apparently Qualcomm is still using some of these old
servers internally and the thing can still run upstream.
Adding insult to injury, I apparently managed to overdelete code and broke
non-QDF2xxx platforms [1].
Revert the removal to keep things going, at least for now.
This reverts commit 196f34af2bf4c87ac4299a9775503d81b446980c.
[1] https://lore.kernel.org/lkml/20240131213543.958051-1-m.szyprowski@samsung.com/
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Tested-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240201-topic-qdf24xx_is_back_apparently-v1-1-edb112a2ef90@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/amba-pl011.c | 82 +++++++++++++++++++++++++++++++++
1 file changed, 82 insertions(+)
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index c4df9cbc264ba..fccec1698a541 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -152,6 +152,23 @@ static const struct vendor_data vendor_sbsa = {
.fixed_options = true,
};
+#ifdef CONFIG_ACPI_SPCR_TABLE
+static const struct vendor_data vendor_qdt_qdf2400_e44 = {
+ .reg_offset = pl011_std_offsets,
+ .fr_busy = UART011_FR_TXFE,
+ .fr_dsr = UART01x_FR_DSR,
+ .fr_cts = UART01x_FR_CTS,
+ .fr_ri = UART011_FR_RI,
+ .inv_fr = UART011_FR_TXFE,
+ .access_32b = true,
+ .oversampling = false,
+ .dma_threshold = false,
+ .cts_event_workaround = false,
+ .always_enabled = true,
+ .fixed_options = true,
+};
+#endif
+
static u16 pl011_st_offsets[REG_ARRAY_SIZE] = {
[REG_DR] = UART01x_DR,
[REG_ST_DMAWM] = ST_UART011_DMAWM,
@@ -2451,6 +2468,15 @@ static int pl011_console_match(struct console *co, char *name, int idx,
resource_size_t addr;
int i;
+ /*
+ * Systems affected by the Qualcomm Technologies QDF2400 E44 erratum
+ * have a distinct console name, so make sure we check for that.
+ * The actual implementation of the erratum occurs in the probe
+ * function.
+ */
+ if ((strcmp(name, "qdf2400_e44") != 0) && (strcmp(name, "pl011") != 0))
+ return -ENODEV;
+
if (uart_parse_earlycon(options, &iotype, &addr, &options))
return -ENODEV;
@@ -2491,6 +2517,22 @@ static struct console amba_console = {
#define AMBA_CONSOLE (&amba_console)
+static void qdf2400_e44_putc(struct uart_port *port, unsigned char c)
+{
+ while (readl(port->membase + UART01x_FR) & UART01x_FR_TXFF)
+ cpu_relax();
+ writel(c, port->membase + UART01x_DR);
+ while (!(readl(port->membase + UART01x_FR) & UART011_FR_TXFE))
+ cpu_relax();
+}
+
+static void qdf2400_e44_early_write(struct console *con, const char *s, unsigned int n)
+{
+ struct earlycon_device *dev = con->data;
+
+ uart_console_write(&dev->port, s, n, qdf2400_e44_putc);
+}
+
static void pl011_putc(struct uart_port *port, unsigned char c)
{
while (readl(port->membase + UART01x_FR) & UART01x_FR_TXFF)
@@ -2569,6 +2611,29 @@ OF_EARLYCON_DECLARE(pl011, "arm,pl011", pl011_early_console_setup);
OF_EARLYCON_DECLARE(pl011, "arm,sbsa-uart", pl011_early_console_setup);
+/*
+ * On Qualcomm Datacenter Technologies QDF2400 SOCs affected by
+ * Erratum 44, traditional earlycon can be enabled by specifying
+ * "earlycon=qdf2400_e44,<address>". Any options are ignored.
+ *
+ * Alternatively, you can just specify "earlycon", and the early console
+ * will be enabled with the information from the SPCR table. In this
+ * case, the SPCR code will detect the need for the E44 work-around,
+ * and set the console name to "qdf2400_e44".
+ */
+static int __init
+qdf2400_e44_early_console_setup(struct earlycon_device *device,
+ const char *opt)
+{
+ if (!device->port.membase)
+ return -ENODEV;
+
+ device->con->write = qdf2400_e44_early_write;
+ return 0;
+}
+
+EARLYCON_DECLARE(qdf2400_e44, qdf2400_e44_early_console_setup);
+
#else
#define AMBA_CONSOLE NULL
#endif
@@ -2804,6 +2869,22 @@ static int pl011_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(pl011_dev_pm_ops, pl011_suspend, pl011_resume);
+#ifdef CONFIG_ACPI_SPCR_TABLE
+static void qpdf2400_erratum44_workaround(struct device *dev,
+ struct uart_amba_port *uap)
+{
+ if (!qdf2400_e44_present)
+ return;
+
+ dev_info(dev, "working around QDF2400 SoC erratum 44\n");
+ uap->vendor = &vendor_qdt_qdf2400_e44;
+}
+#else
+static void qpdf2400_erratum44_workaround(struct device *dev,
+ struct uart_amba_port *uap)
+{ /* empty */ }
+#endif
+
static int sbsa_uart_probe(struct platform_device *pdev)
{
struct uart_amba_port *uap;
@@ -2840,6 +2921,7 @@ static int sbsa_uart_probe(struct platform_device *pdev)
uap->port.irq = ret;
uap->vendor = &vendor_sbsa;
+ qpdf2400_erratum44_workaround(&pdev->dev, uap);
uap->reg_offset = uap->vendor->reg_offset;
uap->fifosize = 32;
--
GitLab
From 2e71508bbf57e349e0bf7bd070ba1ef2510ee168 Mon Sep 17 00:00:00 2001
From: Sam Protsenko <semen.protsenko@linaro.org>
Date: Thu, 1 Feb 2024 19:05:07 -0600
Subject: [PATCH 0314/2686] tty: serial: samsung: Remove superfluous braces in
macro
Commit 59f37b7370ef ("tty: serial: samsung: Remove USI initialization")
removes parameters from EXYNOS_COMMON_SERIAL_DRV_DATA() macro, but
leaves unnecessary empty braces. Remove those to fix the style. No
functional change.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240202010507.22638-1-semen.protsenko@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index fcc675603b141..23cabdab44ffc 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -2452,7 +2452,7 @@ static const struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = {
#endif
#if defined(CONFIG_ARCH_EXYNOS)
-#define EXYNOS_COMMON_SERIAL_DRV_DATA() \
+#define EXYNOS_COMMON_SERIAL_DRV_DATA \
.info = { \
.name = "Samsung Exynos UART", \
.type = TYPE_S3C6400, \
@@ -2477,17 +2477,17 @@ static const struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = {
} \
static const struct s3c24xx_serial_drv_data exynos4210_serial_drv_data = {
- EXYNOS_COMMON_SERIAL_DRV_DATA(),
+ EXYNOS_COMMON_SERIAL_DRV_DATA,
.fifosize = { 256, 64, 16, 16 },
};
static const struct s3c24xx_serial_drv_data exynos5433_serial_drv_data = {
- EXYNOS_COMMON_SERIAL_DRV_DATA(),
+ EXYNOS_COMMON_SERIAL_DRV_DATA,
.fifosize = { 64, 256, 16, 256 },
};
static const struct s3c24xx_serial_drv_data exynos850_serial_drv_data = {
- EXYNOS_COMMON_SERIAL_DRV_DATA(),
+ EXYNOS_COMMON_SERIAL_DRV_DATA,
.fifosize = { 256, 64, 64, 64 },
};
--
GitLab
From 88cddfb7bf23b06876da6c3e9f296e666d0f6332 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sat, 3 Feb 2024 16:14:50 -0300
Subject: [PATCH 0315/2686] serdev: make serdev_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the serdev_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-tty-v1-1-86b698c82efe@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serdev/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c
index 822a5cd055666..613cb356b918d 100644
--- a/drivers/tty/serdev/core.c
+++ b/drivers/tty/serdev/core.c
@@ -431,7 +431,7 @@ static void serdev_drv_remove(struct device *dev)
dev_pm_domain_detach(dev, true);
}
-static struct bus_type serdev_bus_type = {
+static const struct bus_type serdev_bus_type = {
.name = "serial",
.match = serdev_device_match,
.probe = serdev_drv_probe,
--
GitLab
From f60ce0e4bbf385a938e89b6dcead1eea89b83741 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sat, 3 Feb 2024 16:14:51 -0300
Subject: [PATCH 0316/2686] serial: core: make serial_base_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the serial_base_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-tty-v1-2-86b698c82efe@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/serial_base_bus.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/serial_base_bus.c b/drivers/tty/serial/serial_base_bus.c
index 3dfcf20c4eb68..4df2a4b10445a 100644
--- a/drivers/tty/serial/serial_base_bus.c
+++ b/drivers/tty/serial/serial_base_bus.c
@@ -41,7 +41,7 @@ static int serial_base_match(struct device *dev, struct device_driver *drv)
return 0;
}
-static struct bus_type serial_base_bus_type = {
+static const struct bus_type serial_base_bus_type = {
.name = "serial-base",
.match = serial_base_match,
};
--
GitLab
From fb8fa9093a4d2b5be4516a66c64b10cc35458333 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:55:47 +0100
Subject: [PATCH 0317/2686] tty: vt: make rgb_from_256() slighly more
comprehensible
* make the parameter unsigned, as it is expected to be unsigned,
* make the computation easier to follow -- step-by-step, and
* don't use 85 / 2 which is only a reduced form of 255 / 6 (by a factor
3). Unlike the former, the latter can be understood.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-2-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 65cd40cac96bb..7d42f148559ae 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1588,7 +1588,7 @@ static void default_attr(struct vc_data *vc)
struct rgb { u8 r; u8 g; u8 b; };
-static void rgb_from_256(int i, struct rgb *c)
+static void rgb_from_256(unsigned int i, struct rgb *c)
{
if (i < 8) { /* Standard colours. */
c->r = i&1 ? 0xaa : 0x00;
@@ -1599,9 +1599,12 @@ static void rgb_from_256(int i, struct rgb *c)
c->g = i&2 ? 0xff : 0x55;
c->b = i&4 ? 0xff : 0x55;
} else if (i < 232) { /* 6x6x6 colour cube. */
- c->r = (i - 16) / 36 * 85 / 2;
- c->g = (i - 16) / 6 % 6 * 85 / 2;
- c->b = (i - 16) % 6 * 85 / 2;
+ i -= 16;
+ c->b = i % 6 * 255 / 6;
+ i /= 6;
+ c->g = i % 6 * 255 / 6;
+ i /= 6;
+ c->r = i * 255 / 6;
} else /* Grayscale ramp. */
c->r = c->g = c->b = i * 10 - 2312;
}
--
GitLab
From 608053e1944edce7e301112457de89025efa9db1 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:55:48 +0100
Subject: [PATCH 0318/2686] tty: vt: define enums for CSI+h/l codes
Decrypt the constant values by proper enum names. This time in
set_mode().
Define two of them as DEC ('CSI ?') is about to be split away in the
next patches.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-3-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 42 ++++++++++++++++++++++++++++++------------
1 file changed, 30 insertions(+), 12 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 7d42f148559ae..7b55d87248f8b 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1862,6 +1862,24 @@ int mouse_reporting(void)
return vc_cons[fg_console].d->vc_report_mouse;
}
+enum {
+ CSI_DEC_hl_CURSOR_KEYS = 1, /* CKM: cursor keys send ^[Ox/^[[x */
+ CSI_DEC_hl_132_COLUMNS = 3, /* COLM: 80/132 mode switch */
+ CSI_DEC_hl_REVERSE_VIDEO = 5, /* SCNM */
+ CSI_DEC_hl_ORIGIN_MODE = 6, /* OM: origin relative/absolute */
+ CSI_DEC_hl_AUTOWRAP = 7, /* AWM */
+ CSI_DEC_hl_AUTOREPEAT = 8, /* ARM */
+ CSI_DEC_hl_MOUSE_X10 = 9,
+ CSI_DEC_hl_SHOW_CURSOR = 25, /* TCEM */
+ CSI_DEC_hl_MOUSE_VT200 = 1000,
+};
+
+enum {
+ CSI_hl_DISPLAY_CTRL = 3, /* handle ansi control chars */
+ CSI_hl_INSERT = 4, /* IRM: insert/replace */
+ CSI_hl_AUTO_NL = 20, /* LNM: Enter == CrLf/Lf */
+};
+
/* console_lock is held */
static void set_mode(struct vc_data *vc, int on_off)
{
@@ -1870,20 +1888,20 @@ static void set_mode(struct vc_data *vc, int on_off)
for (i = 0; i <= vc->vc_npar; i++)
if (vc->vc_priv == EPdec) {
switch(vc->vc_par[i]) { /* DEC private modes set/reset */
- case 1: /* Cursor keys send ^[Ox/^[[x */
+ case CSI_DEC_hl_CURSOR_KEYS:
if (on_off)
set_kbd(vc, decckm);
else
clr_kbd(vc, decckm);
break;
- case 3: /* 80/132 mode switch unimplemented */
+ case CSI_DEC_hl_132_COLUMNS: /* unimplemented */
#if 0
vc_resize(deccolm ? 132 : 80, vc->vc_rows);
/* this alone does not suffice; some user mode
utility has to change the hardware regs */
#endif
break;
- case 5: /* Inverted screen on/off */
+ case CSI_DEC_hl_REVERSE_VIDEO:
if (vc->vc_decscnm != on_off) {
vc->vc_decscnm = on_off;
invert_screen(vc, 0,
@@ -1892,38 +1910,38 @@ static void set_mode(struct vc_data *vc, int on_off)
update_attr(vc);
}
break;
- case 6: /* Origin relative/absolute */
+ case CSI_DEC_hl_ORIGIN_MODE:
vc->vc_decom = on_off;
gotoxay(vc, 0, 0);
break;
- case 7: /* Autowrap on/off */
+ case CSI_DEC_hl_AUTOWRAP:
vc->vc_decawm = on_off;
break;
- case 8: /* Autorepeat on/off */
+ case CSI_DEC_hl_AUTOREPEAT:
if (on_off)
set_kbd(vc, decarm);
else
clr_kbd(vc, decarm);
break;
- case 9:
+ case CSI_DEC_hl_MOUSE_X10:
vc->vc_report_mouse = on_off ? 1 : 0;
break;
- case 25: /* Cursor on/off */
+ case CSI_DEC_hl_SHOW_CURSOR:
vc->vc_deccm = on_off;
break;
- case 1000:
+ case CSI_DEC_hl_MOUSE_VT200:
vc->vc_report_mouse = on_off ? 2 : 0;
break;
}
} else {
switch(vc->vc_par[i]) { /* ANSI modes set/reset */
- case 3: /* Monitor (display ctrls) */
+ case CSI_hl_DISPLAY_CTRL:
vc->vc_disp_ctrl = on_off;
break;
- case 4: /* Insert Mode on/off */
+ case CSI_hl_INSERT:
vc->vc_decim = on_off;
break;
- case 20: /* Lf, Enter == CrLf/Lf */
+ case CSI_hl_AUTO_NL:
if (on_off)
set_kbd(vc, lnm);
else
--
GitLab
From 69b2c2693ad83be07863102b12e7a36711e3e678 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:55:49 +0100
Subject: [PATCH 0319/2686] tty: vt: rename set_mode() to csi_hl()
It's how the other CSI handling functions are named, so unify to that.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-4-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 7b55d87248f8b..ae333f49790a5 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1881,7 +1881,7 @@ enum {
};
/* console_lock is held */
-static void set_mode(struct vc_data *vc, int on_off)
+static void csi_hl(struct vc_data *vc, bool on_off)
{
int i;
@@ -2380,11 +2380,11 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
switch(c) {
case 'h':
if (vc->vc_priv <= EPdec)
- set_mode(vc, 1);
+ csi_hl(vc, true);
return;
case 'l':
if (vc->vc_priv <= EPdec)
- set_mode(vc, 0);
+ csi_hl(vc, false);
return;
case 'c':
if (vc->vc_priv == EPdec) {
--
GitLab
From 58d1af93199334f235be345f6470bdcb9cc4b25d Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:55:50 +0100
Subject: [PATCH 0320/2686] tty: vt: split DEC CSI+h/l handling into
csi_DEC_hl()
The DEC and ECMA handling of CSI+h/l is needlessly complicated. Split
these two, so that DEC is handled when the state is EPdec ('CSI ?' was
seen) and ECMA is handled in the EPecma state (no '?').
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-5-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 144 +++++++++++++++++++++++---------------------
1 file changed, 77 insertions(+), 67 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index ae333f49790a5..d04dbafc05173 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1874,6 +1874,59 @@ enum {
CSI_DEC_hl_MOUSE_VT200 = 1000,
};
+/* console_lock is held */
+static void csi_DEC_hl(struct vc_data *vc, bool on_off)
+{
+ unsigned int i;
+
+ for (i = 0; i <= vc->vc_npar; i++)
+ switch (vc->vc_par[i]) {
+ case CSI_DEC_hl_CURSOR_KEYS:
+ if (on_off)
+ set_kbd(vc, decckm);
+ else
+ clr_kbd(vc, decckm);
+ break;
+ case CSI_DEC_hl_132_COLUMNS: /* unimplemented */
+#if 0
+ vc_resize(deccolm ? 132 : 80, vc->vc_rows);
+ /* this alone does not suffice; some user mode
+ utility has to change the hardware regs */
+#endif
+ break;
+ case CSI_DEC_hl_REVERSE_VIDEO:
+ if (vc->vc_decscnm != on_off) {
+ vc->vc_decscnm = on_off;
+ invert_screen(vc, 0, vc->vc_screenbuf_size,
+ false);
+ update_attr(vc);
+ }
+ break;
+ case CSI_DEC_hl_ORIGIN_MODE:
+ vc->vc_decom = on_off;
+ gotoxay(vc, 0, 0);
+ break;
+ case CSI_DEC_hl_AUTOWRAP:
+ vc->vc_decawm = on_off;
+ break;
+ case CSI_DEC_hl_AUTOREPEAT:
+ if (on_off)
+ set_kbd(vc, decarm);
+ else
+ clr_kbd(vc, decarm);
+ break;
+ case CSI_DEC_hl_MOUSE_X10:
+ vc->vc_report_mouse = on_off ? 1 : 0;
+ break;
+ case CSI_DEC_hl_SHOW_CURSOR:
+ vc->vc_deccm = on_off;
+ break;
+ case CSI_DEC_hl_MOUSE_VT200:
+ vc->vc_report_mouse = on_off ? 2 : 0;
+ break;
+ }
+}
+
enum {
CSI_hl_DISPLAY_CTRL = 3, /* handle ansi control chars */
CSI_hl_INSERT = 4, /* IRM: insert/replace */
@@ -1883,71 +1936,22 @@ enum {
/* console_lock is held */
static void csi_hl(struct vc_data *vc, bool on_off)
{
- int i;
+ unsigned int i;
for (i = 0; i <= vc->vc_npar; i++)
- if (vc->vc_priv == EPdec) {
- switch(vc->vc_par[i]) { /* DEC private modes set/reset */
- case CSI_DEC_hl_CURSOR_KEYS:
- if (on_off)
- set_kbd(vc, decckm);
- else
- clr_kbd(vc, decckm);
- break;
- case CSI_DEC_hl_132_COLUMNS: /* unimplemented */
-#if 0
- vc_resize(deccolm ? 132 : 80, vc->vc_rows);
- /* this alone does not suffice; some user mode
- utility has to change the hardware regs */
-#endif
- break;
- case CSI_DEC_hl_REVERSE_VIDEO:
- if (vc->vc_decscnm != on_off) {
- vc->vc_decscnm = on_off;
- invert_screen(vc, 0,
- vc->vc_screenbuf_size,
- false);
- update_attr(vc);
- }
- break;
- case CSI_DEC_hl_ORIGIN_MODE:
- vc->vc_decom = on_off;
- gotoxay(vc, 0, 0);
- break;
- case CSI_DEC_hl_AUTOWRAP:
- vc->vc_decawm = on_off;
- break;
- case CSI_DEC_hl_AUTOREPEAT:
- if (on_off)
- set_kbd(vc, decarm);
- else
- clr_kbd(vc, decarm);
- break;
- case CSI_DEC_hl_MOUSE_X10:
- vc->vc_report_mouse = on_off ? 1 : 0;
- break;
- case CSI_DEC_hl_SHOW_CURSOR:
- vc->vc_deccm = on_off;
- break;
- case CSI_DEC_hl_MOUSE_VT200:
- vc->vc_report_mouse = on_off ? 2 : 0;
- break;
- }
- } else {
- switch(vc->vc_par[i]) { /* ANSI modes set/reset */
- case CSI_hl_DISPLAY_CTRL:
- vc->vc_disp_ctrl = on_off;
- break;
- case CSI_hl_INSERT:
- vc->vc_decim = on_off;
- break;
- case CSI_hl_AUTO_NL:
- if (on_off)
- set_kbd(vc, lnm);
- else
- clr_kbd(vc, lnm);
- break;
- }
+ switch (vc->vc_par[i]) { /* ANSI modes set/reset */
+ case CSI_hl_DISPLAY_CTRL:
+ vc->vc_disp_ctrl = on_off;
+ break;
+ case CSI_hl_INSERT:
+ vc->vc_decim = on_off;
+ break;
+ case CSI_hl_AUTO_NL:
+ if (on_off)
+ set_kbd(vc, lnm);
+ else
+ clr_kbd(vc, lnm);
+ break;
}
}
@@ -2379,12 +2383,12 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
vc->vc_state = ESnormal;
switch(c) {
case 'h':
- if (vc->vc_priv <= EPdec)
- csi_hl(vc, true);
+ if (vc->vc_priv == EPdec)
+ csi_DEC_hl(vc, true);
return;
case 'l':
- if (vc->vc_priv <= EPdec)
- csi_hl(vc, false);
+ if (vc->vc_priv == EPdec)
+ csi_DEC_hl(vc, false);
return;
case 'c':
if (vc->vc_priv == EPdec) {
@@ -2494,6 +2498,12 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
else if (vc->vc_par[0] == 3)
bitmap_zero(vc->vc_tab_stop, VC_TABSTOPS_COUNT);
return;
+ case 'h':
+ csi_hl(vc, true);
+ return;
+ case 'l':
+ csi_hl(vc, false);
+ return;
case 'm':
csi_m(vc);
return;
--
GitLab
From 9abe9bf5741932a4bb7d4959d1bc53715248686c Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:55:51 +0100
Subject: [PATCH 0321/2686] tty: vt: remove unneeded assignment of EPecma to
vc_priv
vc_data::vc_priv is _always_ assigned before the ESgetpars case is
entered (in ESsquare). Therefore, there is no need to reset it when
leaving the ESgetpars case. Note the state is set to ESnormal few lines
above, so ESgetpars is entered only by the next CSI.
Therefore, this obfuscation can be removed.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-6-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index d04dbafc05173..69ebce0878f24 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2421,10 +2421,9 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
}
return;
}
- if (vc->vc_priv != EPecma) {
- vc->vc_priv = EPecma;
+ if (vc->vc_priv != EPecma)
return;
- }
+
switch(c) {
case 'G': case '`':
if (vc->vc_par[0])
--
GitLab
From 0afaeb78d1286002310c190a2cf1c9e5c882bfad Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:55:52 +0100
Subject: [PATCH 0322/2686] tty: vt: move CSI+n handling along to other ECMA
CSIs
CSIs without [<=>?] modifiers (ECMA) are handled in the switch-case
below this DEC switch+case handler. So move this ECMA CSI+n there too as
it fits there better.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-7-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 69ebce0878f24..04d109464994a 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2412,14 +2412,6 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
return;
}
break;
- case 'n':
- if (vc->vc_priv == EPecma) {
- if (vc->vc_par[0] == 5)
- status_report(tty);
- else if (vc->vc_par[0] == 6)
- cursor_report(vc, tty);
- }
- return;
}
if (vc->vc_priv != EPecma)
return;
@@ -2506,6 +2498,12 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
case 'm':
csi_m(vc);
return;
+ case 'n':
+ if (vc->vc_par[0] == 5)
+ status_report(tty);
+ else if (vc->vc_par[0] == 6)
+ cursor_report(vc, tty);
+ return;
case 'q': /* DECLL - but only 3 leds */
/* map 0,1,2,3 to 0,1,2,4 */
if (vc->vc_par[0] < 4)
--
GitLab
From f9ac8d4e9f42cb0356ea530fdb31b0cb445a1c30 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:55:53 +0100
Subject: [PATCH 0323/2686] tty: vt: define an enum for CSI+] codes
Decrypt the constant values by proper enum names. This time in
setterm_command() (to be renamed to csi_RSB() in the next patches).
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-8-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 36 +++++++++++++++++++++++++-----------
1 file changed, 25 insertions(+), 11 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 04d109464994a..9db545f305dc3 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1955,62 +1955,76 @@ static void csi_hl(struct vc_data *vc, bool on_off)
}
}
+enum CSI_right_square_bracket {
+ CSI_RSB_COLOR_FOR_UNDERLINE = 1,
+ CSI_RSB_COLOR_FOR_HALF_BRIGHT = 2,
+ CSI_RSB_MAKE_CUR_COLOR_DEFAULT = 8,
+ CSI_RSB_BLANKING_INTERVAL = 9,
+ CSI_RSB_BELL_FREQUENCY = 10,
+ CSI_RSB_BELL_DURATION = 11,
+ CSI_RSB_BRING_CONSOLE_TO_FRONT = 12,
+ CSI_RSB_UNBLANK = 13,
+ CSI_RSB_VESA_OFF_INTERVAL = 14,
+ CSI_RSB_BRING_PREV_CONSOLE_TO_FRONT = 15,
+ CSI_RSB_CURSOR_BLINK_INTERVAL = 16,
+};
+
/* console_lock is held */
static void setterm_command(struct vc_data *vc)
{
switch (vc->vc_par[0]) {
- case 1: /* set color for underline mode */
+ case CSI_RSB_COLOR_FOR_UNDERLINE:
if (vc->vc_can_do_color && vc->vc_par[1] < 16) {
vc->vc_ulcolor = color_table[vc->vc_par[1]];
if (vc->state.underline)
update_attr(vc);
}
break;
- case 2: /* set color for half intensity mode */
+ case CSI_RSB_COLOR_FOR_HALF_BRIGHT:
if (vc->vc_can_do_color && vc->vc_par[1] < 16) {
vc->vc_halfcolor = color_table[vc->vc_par[1]];
if (vc->state.intensity == VCI_HALF_BRIGHT)
update_attr(vc);
}
break;
- case 8: /* store colors as defaults */
+ case CSI_RSB_MAKE_CUR_COLOR_DEFAULT:
vc->vc_def_color = vc->vc_attr;
if (vc->vc_hi_font_mask == 0x100)
vc->vc_def_color >>= 1;
default_attr(vc);
update_attr(vc);
break;
- case 9: /* set blanking interval */
+ case CSI_RSB_BLANKING_INTERVAL:
blankinterval = min(vc->vc_par[1], 60U) * 60;
poke_blanked_console();
break;
- case 10: /* set bell frequency in Hz */
+ case CSI_RSB_BELL_FREQUENCY:
if (vc->vc_npar >= 1)
vc->vc_bell_pitch = vc->vc_par[1];
else
vc->vc_bell_pitch = DEFAULT_BELL_PITCH;
break;
- case 11: /* set bell duration in msec */
+ case CSI_RSB_BELL_DURATION:
if (vc->vc_npar >= 1)
vc->vc_bell_duration = (vc->vc_par[1] < 2000) ?
msecs_to_jiffies(vc->vc_par[1]) : 0;
else
vc->vc_bell_duration = DEFAULT_BELL_DURATION;
break;
- case 12: /* bring specified console to the front */
+ case CSI_RSB_BRING_CONSOLE_TO_FRONT:
if (vc->vc_par[1] >= 1 && vc_cons_allocated(vc->vc_par[1] - 1))
set_console(vc->vc_par[1] - 1);
break;
- case 13: /* unblank the screen */
+ case CSI_RSB_UNBLANK:
poke_blanked_console();
break;
- case 14: /* set vesa powerdown interval */
+ case CSI_RSB_VESA_OFF_INTERVAL:
vesa_off_interval = min(vc->vc_par[1], 60U) * 60 * HZ;
break;
- case 15: /* activate the previous console */
+ case CSI_RSB_BRING_PREV_CONSOLE_TO_FRONT:
set_console(last_console);
break;
- case 16: /* set cursor blink duration in msec */
+ case CSI_RSB_CURSOR_BLINK_INTERVAL:
if (vc->vc_npar >= 1 && vc->vc_par[1] >= 50 &&
vc->vc_par[1] <= USHRT_MAX)
vc->vc_cur_blink_ms = vc->vc_par[1];
--
GitLab
From cc8539cab4a2094ab1a841af6c67e54be41b2c49 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:55:54 +0100
Subject: [PATCH 0324/2686] tty: vt: rename setterm_command() to csi_RSB()
It follows naming of other similar functions. RSB stands here for Right
Square Bracket as (obviously) ']' cannot be in the function name.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-9-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 9db545f305dc3..c072007807e13 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1969,8 +1969,14 @@ enum CSI_right_square_bracket {
CSI_RSB_CURSOR_BLINK_INTERVAL = 16,
};
-/* console_lock is held */
-static void setterm_command(struct vc_data *vc)
+/*
+ * csi_RSB - csi+] (Right Square Bracket) handler
+ *
+ * These are linux console private sequences.
+ *
+ * console_lock is held
+ */
+static void csi_RSB(struct vc_data *vc)
{
switch (vc->vc_par[0]) {
case CSI_RSB_COLOR_FOR_UNDERLINE:
@@ -2549,8 +2555,8 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
case '@':
csi_at(vc, vc->vc_par[0]);
return;
- case ']': /* setterm functions */
- setterm_command(vc);
+ case ']':
+ csi_RSB(vc);
return;
}
return;
--
GitLab
From 9156792bcf941d445c3c3045bb289e09f070adba Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:55:55 +0100
Subject: [PATCH 0325/2686] tty: vt: put cases on separate lines
Some cases of the CSI switch are stuffed on one line. Put them all to a
separate line as is dictated by the coding style (and for better
readability).
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-10-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index c072007807e13..42bc0957a654d 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2437,7 +2437,8 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
return;
switch(c) {
- case 'G': case '`':
+ case 'G':
+ case '`':
if (vc->vc_par[0])
vc->vc_par[0]--;
gotoxy(vc, vc->vc_par[0], vc->state.y);
@@ -2447,12 +2448,14 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
vc->vc_par[0]++;
gotoxy(vc, vc->state.x, vc->state.y - vc->vc_par[0]);
return;
- case 'B': case 'e':
+ case 'B':
+ case 'e':
if (!vc->vc_par[0])
vc->vc_par[0]++;
gotoxy(vc, vc->state.x, vc->state.y + vc->vc_par[0]);
return;
- case 'C': case 'a':
+ case 'C':
+ case 'a':
if (!vc->vc_par[0])
vc->vc_par[0]++;
gotoxy(vc, vc->state.x + vc->vc_par[0], vc->state.y);
@@ -2477,7 +2480,8 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
vc->vc_par[0]--;
gotoxay(vc, vc->state.x ,vc->vc_par[0]);
return;
- case 'H': case 'f':
+ case 'H':
+ case 'f':
if (vc->vc_par[0])
vc->vc_par[0]--;
if (vc->vc_par[1])
--
GitLab
From a8ccce55a8d87df4013ac277ed382e8cbf672a96 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:55:56 +0100
Subject: [PATCH 0326/2686] tty: vt: accept u8 in do_con_trol() and vc_setGx()
These functions expect u8 as the control character. Switch the type from
'int' appropriately. The caller passing the value (do_con_write()) is
fixed as well.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-11-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 42bc0957a654d..451a852ed2345 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2144,7 +2144,7 @@ static void reset_terminal(struct vc_data *vc, int do_clear)
csi_J(vc, CSI_J_VISIBLE);
}
-static void vc_setGx(struct vc_data *vc, unsigned int which, int c)
+static void vc_setGx(struct vc_data *vc, unsigned int which, u8 c)
{
unsigned char *charset = &vc->state.Gx_charset[which];
@@ -2198,7 +2198,7 @@ enum {
};
/* console_lock is held */
-static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
+static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
{
/*
* Control characters can be used in the _middle_
@@ -2963,7 +2963,7 @@ static int do_con_write(struct tty_struct *tty, const u8 *buf, int count)
param.vc = vc;
while (!tty->flow.stopped && count) {
- int orig = *buf;
+ u8 orig = *buf;
buf++;
n++;
count--;
--
GitLab
From ce66f8e387cda44e01a0db4d506b1d0a130d5005 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:55:57 +0100
Subject: [PATCH 0327/2686] tty: vt: extract ascii handling to handle_ascii()
To make the do_con_trol() a bit more understandable, extract the ASCII
handling (the switch-case) to a separate function.
Other nested switch-cases will follow in the next patches.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-12-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 58 +++++++++++++++++++++++++++++----------------
1 file changed, 37 insertions(+), 21 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 451a852ed2345..7cda1a958c5e7 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2197,28 +2197,26 @@ enum {
ASCII_EXT_CSI = 128 + ASCII_ESCAPE,
};
-/* console_lock is held */
-static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
+/*
+ * Handle ascii characters in control sequences and change states accordingly.
+ * E.g. ESC sets the state of vc to ESesc.
+ *
+ * Returns: true if @c handled.
+ */
+static bool handle_ascii(struct tty_struct *tty, struct vc_data *vc, u8 c)
{
- /*
- * Control characters can be used in the _middle_
- * of an escape sequence, aside from ANSI control strings.
- */
- if (ansi_control_string(vc->vc_state) && c >= ASCII_IGNORE_FIRST &&
- c <= ASCII_IGNORE_LAST)
- return;
switch (c) {
case ASCII_NULL:
- return;
+ return true;
case ASCII_BELL:
if (ansi_control_string(vc->vc_state))
vc->vc_state = ESnormal;
else if (vc->vc_bell_duration)
kd_mksound(vc->vc_bell_pitch, vc->vc_bell_duration);
- return;
+ return true;
case ASCII_BACKSPACE:
bs(vc);
- return;
+ return true;
case ASCII_HTAB:
vc->vc_pos -= (vc->state.x << 1);
@@ -2230,41 +2228,59 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
vc->vc_pos += (vc->state.x << 1);
notify_write(vc, '\t');
- return;
+ return true;
case ASCII_LINEFEED:
case ASCII_VTAB:
case ASCII_FORMFEED:
lf(vc);
if (!is_kbd(vc, lnm))
- return;
+ return true;
fallthrough;
case ASCII_CAR_RET:
cr(vc);
- return;
+ return true;
case ASCII_SHIFTOUT:
vc->state.charset = 1;
vc->vc_translate = set_translate(vc->state.Gx_charset[1], vc);
vc->vc_disp_ctrl = 1;
- return;
+ return true;
case ASCII_SHIFTIN:
vc->state.charset = 0;
vc->vc_translate = set_translate(vc->state.Gx_charset[0], vc);
vc->vc_disp_ctrl = 0;
- return;
+ return true;
case ASCII_CANCEL:
case ASCII_SUBSTITUTE:
vc->vc_state = ESnormal;
- return;
+ return true;
case ASCII_ESCAPE:
vc->vc_state = ESesc;
- return;
+ return true;
case ASCII_DEL:
del(vc);
- return;
+ return true;
case ASCII_EXT_CSI:
vc->vc_state = ESsquare;
- return;
+ return true;
}
+
+ return false;
+}
+
+/* console_lock is held */
+static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
+{
+ /*
+ * Control characters can be used in the _middle_
+ * of an escape sequence, aside from ANSI control strings.
+ */
+ if (ansi_control_string(vc->vc_state) && c >= ASCII_IGNORE_FIRST &&
+ c <= ASCII_IGNORE_LAST)
+ return;
+
+ if (handle_ascii(tty, vc, c))
+ return;
+
switch(vc->vc_state) {
case ESesc:
vc->vc_state = ESnormal;
--
GitLab
From a9ffb2234773b39c5de7b09506a467663d6bc2f7 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:55:58 +0100
Subject: [PATCH 0328/2686] tty: vt: separate ESesc state handling into
handle_esc()
Similar to the ASCII handling, the ESC handling can be easily moved away
from do_con_trol(). So create a new handle_esc() for that.
And add a comment with an example.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-13-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 134 ++++++++++++++++++++++++--------------------
1 file changed, 72 insertions(+), 62 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 7cda1a958c5e7..3dddb7128234a 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2267,6 +2267,77 @@ static bool handle_ascii(struct tty_struct *tty, struct vc_data *vc, u8 c)
return false;
}
+/*
+ * Handle a character (@c) following an ESC (when @vc is in the ESesc state).
+ * E.g. previous ESC with @c == '[' here yields the ESsquare state (that is:
+ * CSI).
+ */
+static void handle_esc(struct tty_struct *tty, struct vc_data *vc, u8 c)
+{
+ vc->vc_state = ESnormal;
+ switch (c) {
+ case '[':
+ vc->vc_state = ESsquare;
+ break;
+ case ']':
+ vc->vc_state = ESnonstd;
+ break;
+ case '_':
+ vc->vc_state = ESapc;
+ break;
+ case '^':
+ vc->vc_state = ESpm;
+ break;
+ case '%':
+ vc->vc_state = ESpercent;
+ break;
+ case 'E':
+ cr(vc);
+ lf(vc);
+ break;
+ case 'M':
+ ri(vc);
+ break;
+ case 'D':
+ lf(vc);
+ break;
+ case 'H':
+ if (vc->state.x < VC_TABSTOPS_COUNT)
+ set_bit(vc->state.x, vc->vc_tab_stop);
+ break;
+ case 'P':
+ vc->vc_state = ESdcs;
+ break;
+ case 'Z':
+ respond_ID(tty);
+ break;
+ case '7':
+ save_cur(vc);
+ break;
+ case '8':
+ restore_cur(vc);
+ break;
+ case '(':
+ vc->vc_state = ESsetG0;
+ break;
+ case ')':
+ vc->vc_state = ESsetG1;
+ break;
+ case '#':
+ vc->vc_state = EShash;
+ break;
+ case 'c':
+ reset_terminal(vc, 1);
+ break;
+ case '>': /* Numeric keypad */
+ clr_kbd(vc, kbdapplic);
+ break;
+ case '=': /* Appl. keypad */
+ set_kbd(vc, kbdapplic);
+ break;
+ }
+}
+
/* console_lock is held */
static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
{
@@ -2283,68 +2354,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
switch(vc->vc_state) {
case ESesc:
- vc->vc_state = ESnormal;
- switch (c) {
- case '[':
- vc->vc_state = ESsquare;
- return;
- case ']':
- vc->vc_state = ESnonstd;
- return;
- case '_':
- vc->vc_state = ESapc;
- return;
- case '^':
- vc->vc_state = ESpm;
- return;
- case '%':
- vc->vc_state = ESpercent;
- return;
- case 'E':
- cr(vc);
- lf(vc);
- return;
- case 'M':
- ri(vc);
- return;
- case 'D':
- lf(vc);
- return;
- case 'H':
- if (vc->state.x < VC_TABSTOPS_COUNT)
- set_bit(vc->state.x, vc->vc_tab_stop);
- return;
- case 'P':
- vc->vc_state = ESdcs;
- return;
- case 'Z':
- respond_ID(tty);
- return;
- case '7':
- save_cur(vc);
- return;
- case '8':
- restore_cur(vc);
- return;
- case '(':
- vc->vc_state = ESsetG0;
- return;
- case ')':
- vc->vc_state = ESsetG1;
- return;
- case '#':
- vc->vc_state = EShash;
- return;
- case 'c':
- reset_terminal(vc, 1);
- return;
- case '>': /* Numeric keypad */
- clr_kbd(vc, kbdapplic);
- return;
- case '=': /* Appl. keypad */
- set_kbd(vc, kbdapplic);
- return;
- }
+ handle_esc(tty, vc, c);
return;
case ESnonstd:
if (c=='P') { /* palette escape sequence */
--
GitLab
From de0f61f342078aff5bbaf69bd749e91b324128df Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:55:59 +0100
Subject: [PATCH 0329/2686] tty: vt: move CSI DEC handling to a separate
function
The handling of "CSI ? ..." (i.e. vc_priv == EPdec) can be easily moved
out of do_con_trol() into a separate function. This again increases
readability of do_con_trol().
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-14-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 75 ++++++++++++++++++++++++++-------------------
1 file changed, 44 insertions(+), 31 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 3dddb7128234a..7cdd0eb1e423b 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2338,6 +2338,43 @@ static void handle_esc(struct tty_struct *tty, struct vc_data *vc, u8 c)
}
}
+/*
+ * Handle special DEC control sequences ("ESC [ ? parameters char"). Parameters
+ * are in @vc->vc_par and the char is in @c here.
+ */
+static void csi_DEC(struct tty_struct *tty, struct vc_data *vc, u8 c)
+{
+ switch (c) {
+ case 'h':
+ csi_DEC_hl(vc, true);
+ break;
+ case 'l':
+ csi_DEC_hl(vc, false);
+ break;
+ case 'c':
+ if (vc->vc_par[0])
+ vc->vc_cursor_type = CUR_MAKE(vc->vc_par[0],
+ vc->vc_par[1],
+ vc->vc_par[2]);
+ else
+ vc->vc_cursor_type = cur_default;
+ break;
+ case 'm':
+ clear_selection();
+ if (vc->vc_par[0])
+ vc->vc_complement_mask = vc->vc_par[0] << 8 | vc->vc_par[1];
+ else
+ vc->vc_complement_mask = vc->vc_s_complement_mask;
+ break;
+ case 'n':
+ if (vc->vc_par[0] == 5)
+ status_report(tty);
+ else if (vc->vc_par[0] == 6)
+ cursor_report(vc, tty);
+ break;
+ }
+}
+
/* console_lock is held */
static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
{
@@ -2427,40 +2464,16 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
return;
}
vc->vc_state = ESnormal;
- switch(c) {
- case 'h':
- if (vc->vc_priv == EPdec)
- csi_DEC_hl(vc, true);
- return;
- case 'l':
- if (vc->vc_priv == EPdec)
- csi_DEC_hl(vc, false);
+
+ switch (vc->vc_priv) {
+ case EPdec:
+ csi_DEC(tty, vc, c);
return;
- case 'c':
- if (vc->vc_priv == EPdec) {
- if (vc->vc_par[0])
- vc->vc_cursor_type =
- CUR_MAKE(vc->vc_par[0],
- vc->vc_par[1],
- vc->vc_par[2]);
- else
- vc->vc_cursor_type = cur_default;
- return;
- }
+ case EPecma:
break;
- case 'm':
- if (vc->vc_priv == EPdec) {
- clear_selection();
- if (vc->vc_par[0])
- vc->vc_complement_mask = vc->vc_par[0] << 8 | vc->vc_par[1];
- else
- vc->vc_complement_mask = vc->vc_s_complement_mask;
- return;
- }
- break;
- }
- if (vc->vc_priv != EPecma)
+ default:
return;
+ }
switch(c) {
case 'G':
--
GitLab
From 7c1c9c14944730219b14732018829acac89ee550 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:56:00 +0100
Subject: [PATCH 0330/2686] tty: vt: move CSI ECMA handling to a separate
function
Similar to previous moves, move also "CSI ..." (i.e. vc_priv == EPecma)
handling to a separate function.
This is the last large move of code out of do_con_trol(). And despite it
is still 151 lines of code (down from 407!), it is now quite easy to
folllow the transitions of the state machine in there. ESnonstd and
ESpalette handling still can be moved away, but it won't improve that
much.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-15-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 269 +++++++++++++++++++++++---------------------
1 file changed, 139 insertions(+), 130 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 7cdd0eb1e423b..1c832d04c0dc7 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2375,6 +2375,143 @@ static void csi_DEC(struct tty_struct *tty, struct vc_data *vc, u8 c)
}
}
+/*
+ * Handle Control Sequence Introducer control characters. That is
+ * "ESC [ parameters char". Parameters are in @vc->vc_par and the char is in
+ * @c here.
+ */
+static void csi_ECMA(struct tty_struct *tty, struct vc_data *vc, u8 c)
+{
+ switch (c) {
+ case 'G':
+ case '`':
+ if (vc->vc_par[0])
+ vc->vc_par[0]--;
+ gotoxy(vc, vc->vc_par[0], vc->state.y);
+ break;
+ case 'A':
+ if (!vc->vc_par[0])
+ vc->vc_par[0]++;
+ gotoxy(vc, vc->state.x, vc->state.y - vc->vc_par[0]);
+ break;
+ case 'B':
+ case 'e':
+ if (!vc->vc_par[0])
+ vc->vc_par[0]++;
+ gotoxy(vc, vc->state.x, vc->state.y + vc->vc_par[0]);
+ break;
+ case 'C':
+ case 'a':
+ if (!vc->vc_par[0])
+ vc->vc_par[0]++;
+ gotoxy(vc, vc->state.x + vc->vc_par[0], vc->state.y);
+ break;
+ case 'D':
+ if (!vc->vc_par[0])
+ vc->vc_par[0]++;
+ gotoxy(vc, vc->state.x - vc->vc_par[0], vc->state.y);
+ break;
+ case 'E':
+ if (!vc->vc_par[0])
+ vc->vc_par[0]++;
+ gotoxy(vc, 0, vc->state.y + vc->vc_par[0]);
+ break;
+ case 'F':
+ if (!vc->vc_par[0])
+ vc->vc_par[0]++;
+ gotoxy(vc, 0, vc->state.y - vc->vc_par[0]);
+ break;
+ case 'd':
+ if (vc->vc_par[0])
+ vc->vc_par[0]--;
+ gotoxay(vc, vc->state.x ,vc->vc_par[0]);
+ break;
+ case 'H':
+ case 'f':
+ if (vc->vc_par[0])
+ vc->vc_par[0]--;
+ if (vc->vc_par[1])
+ vc->vc_par[1]--;
+ gotoxay(vc, vc->vc_par[1], vc->vc_par[0]);
+ break;
+ case 'J':
+ csi_J(vc, vc->vc_par[0]);
+ break;
+ case 'K':
+ csi_K(vc);
+ break;
+ case 'L':
+ csi_L(vc);
+ break;
+ case 'M':
+ csi_M(vc);
+ break;
+ case 'P':
+ csi_P(vc);
+ break;
+ case 'c':
+ if (!vc->vc_par[0])
+ respond_ID(tty);
+ break;
+ case 'g':
+ if (!vc->vc_par[0] && vc->state.x < VC_TABSTOPS_COUNT)
+ set_bit(vc->state.x, vc->vc_tab_stop);
+ else if (vc->vc_par[0] == 3)
+ bitmap_zero(vc->vc_tab_stop, VC_TABSTOPS_COUNT);
+ break;
+ case 'h':
+ csi_hl(vc, true);
+ break;
+ case 'l':
+ csi_hl(vc, false);
+ break;
+ case 'm':
+ csi_m(vc);
+ break;
+ case 'n':
+ if (vc->vc_par[0] == 5)
+ status_report(tty);
+ else if (vc->vc_par[0] == 6)
+ cursor_report(vc, tty);
+ break;
+ case 'q': /* DECLL - but only 3 leds */
+ /* map 0,1,2,3 to 0,1,2,4 */
+ if (vc->vc_par[0] < 4)
+ vt_set_led_state(vc->vc_num,
+ (vc->vc_par[0] < 3) ? vc->vc_par[0] : 4);
+ break;
+ case 'r':
+ if (!vc->vc_par[0])
+ vc->vc_par[0]++;
+ if (!vc->vc_par[1])
+ vc->vc_par[1] = vc->vc_rows;
+ /* Minimum allowed region is 2 lines */
+ if (vc->vc_par[0] < vc->vc_par[1] &&
+ vc->vc_par[1] <= vc->vc_rows) {
+ vc->vc_top = vc->vc_par[0] - 1;
+ vc->vc_bottom = vc->vc_par[1];
+ gotoxay(vc, 0, 0);
+ }
+ break;
+ case 's':
+ save_cur(vc);
+ break;
+ case 'u':
+ restore_cur(vc);
+ break;
+ case 'X':
+ csi_X(vc);
+ break;
+ case '@':
+ csi_at(vc, vc->vc_par[0]);
+ break;
+ case ']':
+ csi_RSB(vc);
+ break;
+ }
+
+}
+
/* console_lock is held */
static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
{
@@ -2470,139 +2607,11 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
csi_DEC(tty, vc, c);
return;
case EPecma:
- break;
- default:
- return;
- }
-
- switch(c) {
- case 'G':
- case '`':
- if (vc->vc_par[0])
- vc->vc_par[0]--;
- gotoxy(vc, vc->vc_par[0], vc->state.y);
- return;
- case 'A':
- if (!vc->vc_par[0])
- vc->vc_par[0]++;
- gotoxy(vc, vc->state.x, vc->state.y - vc->vc_par[0]);
- return;
- case 'B':
- case 'e':
- if (!vc->vc_par[0])
- vc->vc_par[0]++;
- gotoxy(vc, vc->state.x, vc->state.y + vc->vc_par[0]);
- return;
- case 'C':
- case 'a':
- if (!vc->vc_par[0])
- vc->vc_par[0]++;
- gotoxy(vc, vc->state.x + vc->vc_par[0], vc->state.y);
- return;
- case 'D':
- if (!vc->vc_par[0])
- vc->vc_par[0]++;
- gotoxy(vc, vc->state.x - vc->vc_par[0], vc->state.y);
- return;
- case 'E':
- if (!vc->vc_par[0])
- vc->vc_par[0]++;
- gotoxy(vc, 0, vc->state.y + vc->vc_par[0]);
+ csi_ECMA(tty, vc, c);
return;
- case 'F':
- if (!vc->vc_par[0])
- vc->vc_par[0]++;
- gotoxy(vc, 0, vc->state.y - vc->vc_par[0]);
- return;
- case 'd':
- if (vc->vc_par[0])
- vc->vc_par[0]--;
- gotoxay(vc, vc->state.x ,vc->vc_par[0]);
- return;
- case 'H':
- case 'f':
- if (vc->vc_par[0])
- vc->vc_par[0]--;
- if (vc->vc_par[1])
- vc->vc_par[1]--;
- gotoxay(vc, vc->vc_par[1], vc->vc_par[0]);
- return;
- case 'J':
- csi_J(vc, vc->vc_par[0]);
- return;
- case 'K':
- csi_K(vc);
- return;
- case 'L':
- csi_L(vc);
- return;
- case 'M':
- csi_M(vc);
- return;
- case 'P':
- csi_P(vc);
- return;
- case 'c':
- if (!vc->vc_par[0])
- respond_ID(tty);
- return;
- case 'g':
- if (!vc->vc_par[0] && vc->state.x < VC_TABSTOPS_COUNT)
- set_bit(vc->state.x, vc->vc_tab_stop);
- else if (vc->vc_par[0] == 3)
- bitmap_zero(vc->vc_tab_stop, VC_TABSTOPS_COUNT);
- return;
- case 'h':
- csi_hl(vc, true);
- return;
- case 'l':
- csi_hl(vc, false);
- return;
- case 'm':
- csi_m(vc);
- return;
- case 'n':
- if (vc->vc_par[0] == 5)
- status_report(tty);
- else if (vc->vc_par[0] == 6)
- cursor_report(vc, tty);
- return;
- case 'q': /* DECLL - but only 3 leds */
- /* map 0,1,2,3 to 0,1,2,4 */
- if (vc->vc_par[0] < 4)
- vt_set_led_state(vc->vc_num,
- (vc->vc_par[0] < 3) ? vc->vc_par[0] : 4);
- return;
- case 'r':
- if (!vc->vc_par[0])
- vc->vc_par[0]++;
- if (!vc->vc_par[1])
- vc->vc_par[1] = vc->vc_rows;
- /* Minimum allowed region is 2 lines */
- if (vc->vc_par[0] < vc->vc_par[1] &&
- vc->vc_par[1] <= vc->vc_rows) {
- vc->vc_top = vc->vc_par[0] - 1;
- vc->vc_bottom = vc->vc_par[1];
- gotoxay(vc, 0, 0);
- }
- return;
- case 's':
- save_cur(vc);
- return;
- case 'u':
- restore_cur(vc);
- return;
- case 'X':
- csi_X(vc);
- return;
- case '@':
- csi_at(vc, vc->vc_par[0]);
- return;
- case ']':
- csi_RSB(vc);
+ default:
return;
}
- return;
case EScsiignore:
if (c >= ASCII_CSI_IGNORE_FIRST && c <= ASCII_CSI_IGNORE_LAST)
return;
--
GitLab
From 22795b3c4738849283c63274c6af98b9d28c4c3c Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:56:01 +0100
Subject: [PATCH 0331/2686] tty: vt: name, reflow and document enum
vc_ctl_state
The enum for states is currently compact and undocumented. Put each
definition on a separate line and document them all using kernel-doc.
Document the same on the use sites.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-16-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 72 ++++++++++++++++++++++++++++++++++-----------
1 file changed, 55 insertions(+), 17 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 1c832d04c0dc7..6d08290fdfdf0 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2091,9 +2091,44 @@ static void restore_cur(struct vc_data *vc)
vc->vc_need_wrap = 0;
}
-enum { ESnormal, ESesc, ESsquare, ESgetpars, ESfunckey,
- EShash, ESsetG0, ESsetG1, ESpercent, EScsiignore, ESnonstd,
- ESpalette, ESosc, ESapc, ESpm, ESdcs };
+/**
+ * enum vc_ctl_state - control characters state of a vt
+ *
+ * @ESnormal: initial state, no control characters parsed
+ * @ESesc: ESC parsed
+ * @ESsquare: CSI parsed -- modifiers/parameters/ctrl chars expected
+ * @ESgetpars: CSI parsed -- parameters/ctrl chars expected
+ * @ESfunckey: CSI [ parsed
+ * @EShash: ESC # parsed
+ * @ESsetG0: ESC ( parsed
+ * @ESsetG1: ESC ) parsed
+ * @ESpercent: ESC % parsed
+ * @EScsiignore: CSI [0x20-0x3f] parsed
+ * @ESnonstd: OSC parsed
+ * @ESpalette: OSC P parsed
+ * @ESosc: OSC [0-9] parsed
+ * @ESapc: ESC _ parsed
+ * @ESpm: ESC ^ parsed
+ * @ESdcs: ESC P parsed
+ */
+enum vc_ctl_state {
+ ESnormal,
+ ESesc,
+ ESsquare,
+ ESgetpars,
+ ESfunckey,
+ EShash,
+ ESsetG0,
+ ESsetG1,
+ ESpercent,
+ EScsiignore,
+ ESnonstd,
+ ESpalette,
+ ESosc,
+ ESapc,
+ ESpm,
+ ESdcs,
+};
/* console_lock is held (except via vc_init()) */
static void reset_terminal(struct vc_data *vc, int do_clear)
@@ -2527,10 +2562,10 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
return;
switch(vc->vc_state) {
- case ESesc:
+ case ESesc: /* ESC */
handle_esc(tty, vc, c);
return;
- case ESnonstd:
+ case ESnonstd: /* ESC ] aka OSC */
if (c=='P') { /* palette escape sequence */
for (vc->vc_npar = 0; vc->vc_npar < NPAR; vc->vc_npar++)
vc->vc_par[vc->vc_npar] = 0;
@@ -2545,7 +2580,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
else
vc->vc_state = ESnormal;
return;
- case ESpalette:
+ case ESpalette: /* ESC ] P aka OSC P */
if (isxdigit(c)) {
vc->vc_par[vc->vc_npar++] = hex_to_bin(c);
if (vc->vc_npar == 7) {
@@ -2562,7 +2597,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
} else
vc->vc_state = ESnormal;
return;
- case ESsquare:
+ case ESsquare: /* ESC [ aka CSI, parameters or modifiers expected */
for (vc->vc_npar = 0; vc->vc_npar < NPAR; vc->vc_npar++)
vc->vc_par[vc->vc_npar] = 0;
vc->vc_npar = 0;
@@ -2587,7 +2622,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
}
vc->vc_priv = EPecma;
fallthrough;
- case ESgetpars:
+ case ESgetpars: /* ESC [ aka CSI, parameters expected */
if (c == ';' && vc->vc_npar < NPAR - 1) {
vc->vc_npar++;
return;
@@ -2600,6 +2635,9 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
vc->vc_state = EScsiignore;
return;
}
+
+ /* parameters done, handle the control char @c */
+
vc->vc_state = ESnormal;
switch (vc->vc_priv) {
@@ -2617,7 +2655,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
return;
vc->vc_state = ESnormal;
return;
- case ESpercent:
+ case ESpercent: /* ESC % */
vc->vc_state = ESnormal;
switch (c) {
case '@': /* defined in ISO 2022 */
@@ -2629,10 +2667,10 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
return;
}
return;
- case ESfunckey:
+ case ESfunckey: /* ESC [ [ aka CSI [ */
vc->vc_state = ESnormal;
return;
- case EShash:
+ case EShash: /* ESC # */
vc->vc_state = ESnormal;
if (c == '8') {
/* DEC screen alignment test. kludge :-) */
@@ -2644,21 +2682,21 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
do_update_region(vc, vc->vc_origin, vc->vc_screenbuf_size / 2);
}
return;
- case ESsetG0:
+ case ESsetG0: /* ESC ( */
vc_setGx(vc, 0, c);
vc->vc_state = ESnormal;
return;
- case ESsetG1:
+ case ESsetG1: /* ESC ) */
vc_setGx(vc, 1, c);
vc->vc_state = ESnormal;
return;
- case ESapc:
+ case ESapc: /* ESC _ */
return;
- case ESosc:
+ case ESosc: /* ESC ] [0-9] aka OSC [0-9] */
return;
- case ESpm:
+ case ESpm: /* ESC ^ */
return;
- case ESdcs:
+ case ESdcs: /* ESC P */
return;
default:
vc->vc_state = ESnormal;
--
GitLab
From fd5b40251a02f7652adba88bc09802fcff004a7f Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:56:02 +0100
Subject: [PATCH 0332/2686] tty: vt: simplify ansi_control_string()
Given all the ANSI control states are sequential in the vc_ctl_state
enum, we can define first/last constants and use them in
ansi_control_string(). It makes the test simple and allows for removal
of the 'if' (which was unnecessary at all -- the 'return' should have
returned the 'if' content directly anyway).
And remove the useless comment -- it's clear from the function
prototype.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-17-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 6d08290fdfdf0..e1cbe966bc84e 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2107,9 +2107,11 @@ static void restore_cur(struct vc_data *vc)
* @ESnonstd: OSC parsed
* @ESpalette: OSC P parsed
* @ESosc: OSC [0-9] parsed
+ * @ESANSI_first: first state for ignoring ansi control sequences
* @ESapc: ESC _ parsed
* @ESpm: ESC ^ parsed
* @ESdcs: ESC P parsed
+ * @ESANSI_last: last state for ignoring ansi control sequences
*/
enum vc_ctl_state {
ESnormal,
@@ -2125,9 +2127,11 @@ enum vc_ctl_state {
ESnonstd,
ESpalette,
ESosc,
+ ESANSI_first = ESosc,
ESapc,
ESpm,
ESdcs,
+ ESANSI_last = ESdcs,
};
/* console_lock is held (except via vc_init()) */
@@ -2202,12 +2206,9 @@ static void vc_setGx(struct vc_data *vc, unsigned int which, u8 c)
vc->vc_translate = set_translate(*charset, vc);
}
-/* is this state an ANSI control string? */
-static bool ansi_control_string(unsigned int state)
+static bool ansi_control_string(enum vc_ctl_state state)
{
- if (state == ESosc || state == ESapc || state == ESpm || state == ESdcs)
- return true;
- return false;
+ return state >= ESANSI_first && state <= ESANSI_last;
}
enum {
--
GitLab
From bc9d077a8d171765b11f3b2fc52ba483bc1a31f6 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:56:03 +0100
Subject: [PATCH 0333/2686] tty: vt: handle CSI+[ inside preexisting
switch-case
In do_con_trol()'s ESsquare case, there is already a switch (c). It is
preceded by an 'if (c == '[')'. Despite this 'if' handles a state
transition and not a modifier, move it as one of the switch cases. This
makes all the 'c' decision making more obvious there.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-18-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index e1cbe966bc84e..4d020a9967a29 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2603,11 +2603,10 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
vc->vc_par[vc->vc_npar] = 0;
vc->vc_npar = 0;
vc->vc_state = ESgetpars;
- if (c == '[') { /* Function key */
- vc->vc_state=ESfunckey;
- return;
- }
switch (c) {
+ case '[': /* Function key */
+ vc->vc_state = ESfunckey;
+ return;
case '?':
vc->vc_priv = EPdec;
return;
--
GitLab
From 798d8b1cfecc45ede0d32ee1375bae3c39649d7d Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:56:04 +0100
Subject: [PATCH 0334/2686] tty: vt: add new helper for reseting vc parameters
The code to reset the vc parameter parsing is repeated on two locations.
Create a helper vc_reset_params() and use it on both of them.
And instead of a 'for' loop to clear the array of parameters, use
simpler memset().
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-19-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 4d020a9967a29..b0f691d79bf26 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2548,6 +2548,12 @@ static void csi_ECMA(struct tty_struct *tty, struct vc_data *vc, u8 c)
}
+static void vc_reset_params(struct vc_data *vc)
+{
+ memset(vc->vc_par, 0, sizeof(vc->vc_par));
+ vc->vc_npar = 0;
+}
+
/* console_lock is held */
static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
{
@@ -2568,9 +2574,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
return;
case ESnonstd: /* ESC ] aka OSC */
if (c=='P') { /* palette escape sequence */
- for (vc->vc_npar = 0; vc->vc_npar < NPAR; vc->vc_npar++)
- vc->vc_par[vc->vc_npar] = 0;
- vc->vc_npar = 0;
+ vc_reset_params(vc);
vc->vc_state = ESpalette;
return;
} else if (c=='R') { /* reset palette */
@@ -2599,9 +2603,8 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
vc->vc_state = ESnormal;
return;
case ESsquare: /* ESC [ aka CSI, parameters or modifiers expected */
- for (vc->vc_npar = 0; vc->vc_npar < NPAR; vc->vc_npar++)
- vc->vc_par[vc->vc_npar] = 0;
- vc->vc_npar = 0;
+ vc_reset_params(vc);
+
vc->vc_state = ESgetpars;
switch (c) {
case '[': /* Function key */
--
GitLab
From 3d5f5b9711e46800d7e602e95f26698cc6ff2ed3 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:56:05 +0100
Subject: [PATCH 0335/2686] tty: vt: use switch+case in the ESnonstd case
To be uniform in the 'c' handling, use switch-case (with ranges) even in
the ESnonstd case in do_con_trol().
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-20-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index b0f691d79bf26..b5fc3b896e26f 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2573,17 +2573,19 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
handle_esc(tty, vc, c);
return;
case ESnonstd: /* ESC ] aka OSC */
- if (c=='P') { /* palette escape sequence */
+ switch (c) {
+ case 'P': /* palette escape sequence */
vc_reset_params(vc);
vc->vc_state = ESpalette;
return;
- } else if (c=='R') { /* reset palette */
+ case 'R': /* reset palette */
reset_palette(vc);
- vc->vc_state = ESnormal;
- } else if (c>='0' && c<='9')
+ break;
+ case '0' ... '9':
vc->vc_state = ESosc;
- else
- vc->vc_state = ESnormal;
+ return;
+ }
+ vc->vc_state = ESnormal;
return;
case ESpalette: /* ESC ] P aka OSC P */
if (isxdigit(c)) {
--
GitLab
From 137eb9ad22bf2b2e0e613afc076e5f51390954ad Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:56:06 +0100
Subject: [PATCH 0336/2686] tty: vt: use switch+case in the ESgetpars case
To be uniform in the 'c' handling, use switch-case (with ranges) even in
the ESgetpars case in do_con_trol().
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-21-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index b5fc3b896e26f..b3c61ec92df99 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2628,10 +2628,14 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, u8 c)
vc->vc_priv = EPecma;
fallthrough;
case ESgetpars: /* ESC [ aka CSI, parameters expected */
- if (c == ';' && vc->vc_npar < NPAR - 1) {
- vc->vc_npar++;
- return;
- } else if (c>='0' && c<='9') {
+ switch (c) {
+ case ';':
+ if (vc->vc_npar < NPAR - 1) {
+ vc->vc_npar++;
+ return;
+ }
+ break;
+ case '0' ... '9':
vc->vc_par[vc->vc_npar] *= 10;
vc->vc_par[vc->vc_npar] += c - '0';
return;
--
GitLab
From 3701400a39d5964be767f9c085dffb9dd21c7f59 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:56:07 +0100
Subject: [PATCH 0337/2686] tty: vt: use ASCII enum constants in
vt_console_print()
There are still numbers used for ASCII characters in vt_console_print().
As we have an ASCII enum now, use the constant names from the enum
instead.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-22-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index b3c61ec92df99..e35f7a31a7bd5 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -3240,22 +3240,23 @@ static void vt_console_print(struct console *co, const char *b, unsigned count)
cnt = 0;
while (count--) {
c = *b++;
- if (c == 10 || c == 13 || c == 8 || vc->vc_need_wrap) {
+ if (c == ASCII_LINEFEED || c == ASCII_CAR_RET ||
+ c == ASCII_BACKSPACE || vc->vc_need_wrap) {
if (cnt && con_is_visible(vc))
vc->vc_sw->con_putcs(vc, start, cnt, vc->state.y, start_x);
cnt = 0;
- if (c == 8) { /* backspace */
+ if (c == ASCII_BACKSPACE) {
bs(vc);
start = (ushort *)vc->vc_pos;
start_x = vc->state.x;
continue;
}
- if (c != 13)
+ if (c != ASCII_CAR_RET)
lf(vc);
cr(vc);
start = (ushort *)vc->vc_pos;
start_x = vc->state.x;
- if (c == 10 || c == 13)
+ if (c == ASCII_LINEFEED || c == ASCII_CAR_RET)
continue;
}
vc_uniscr_putc(vc, c);
--
GitLab
From 6cc3028f797a549f256d593867a769ab6a8265f2 Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Fri, 2 Feb 2024 07:56:08 +0100
Subject: [PATCH 0338/2686] tty: vt: decrypt magic constants in vc_is_control()
0x0d00ff81 and 0x0800f501 are bitmasks of ASCII characters. Spell them
explicitly using BIT() + ASCII constants. GENMASK() is used for the
9-bit range in CTRL_ACTION.
This also modifies the 'if' checking if the masks should be applied.
>From a "random" ' ' to the actual size of the bitmasks' type.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240202065608.14019-23-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index e35f7a31a7bd5..463be4e48dc8f 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2893,9 +2893,13 @@ static bool vc_is_control(struct vc_data *vc, int tc, int c)
* as cursor movement) and should not be displayed as a glyph unless
* the disp_ctrl mode is explicitly enabled.
*/
- static const u32 CTRL_ACTION = 0x0d00ff81;
+ static const u32 CTRL_ACTION = BIT(ASCII_NULL) |
+ GENMASK(ASCII_SHIFTIN, ASCII_BELL) | BIT(ASCII_CANCEL) |
+ BIT(ASCII_SUBSTITUTE) | BIT(ASCII_ESCAPE);
/* Cannot be overridden by disp_ctrl */
- static const u32 CTRL_ALWAYS = 0x0800f501;
+ static const u32 CTRL_ALWAYS = BIT(ASCII_NULL) | BIT(ASCII_BACKSPACE) |
+ BIT(ASCII_LINEFEED) | BIT(ASCII_SHIFTIN) | BIT(ASCII_SHIFTOUT) |
+ BIT(ASCII_CAR_RET) | BIT(ASCII_FORMFEED) | BIT(ASCII_ESCAPE);
if (vc->vc_state != ESnormal)
return true;
@@ -2912,7 +2916,7 @@ static bool vc_is_control(struct vc_data *vc, int tc, int c)
* useless without them; to display an arbitrary font position use the
* direct-to-font zone in UTF-8 mode.
*/
- if (c < ' ') {
+ if (c < BITS_PER_TYPE(CTRL_ALWAYS)) {
if (vc->vc_disp_ctrl)
return CTRL_ALWAYS & BIT(c);
else
--
GitLab
From ccb2280ec2f9e805d70f57a3a1c5deff0d532cb3 Mon Sep 17 00:00:00 2001
From: Xiaoyao Li <xiaoyao.li@intel.com>
Date: Wed, 25 Oct 2023 01:59:13 -0400
Subject: [PATCH 0339/2686] x86/kvm: Use separate percpu variable to track the
enabling of asyncpf
Refer to commit fd10cde9294f ("KVM paravirt: Add async PF initialization
to PV guest") and commit 344d9588a9df ("KVM: Add PV MSR to enable
asynchronous page faults delivery"). It turns out that at the time when
asyncpf was introduced, the purpose was defining the shared PV data 'struct
kvm_vcpu_pv_apf_data' with the size of 64 bytes. However, it made a mistake
and defined the size to 68 bytes, which failed to make fit in a cache line
and made the code inconsistent with the documentation.
Below justification quoted from Sean[*]
KVM (the host side) has *never* read kvm_vcpu_pv_apf_data.enabled, and
the documentation clearly states that enabling is based solely on the
bit in the synthetic MSR.
So rather than update the documentation, fix the goof by removing the
enabled filed and use the separate percpu variable instread.
KVM-as-a-host obviously doesn't enforce anything or consume the size,
and changing the header will only affect guests that are rebuilt against
the new header, so there's no chance of ABI breakage between KVM and its
guests. The only possible breakage is if some other hypervisor is
emulating KVM's async #PF (LOL) and relies on the guest to set
kvm_vcpu_pv_apf_data.enabled. But (a) I highly doubt such a hypervisor
exists, (b) that would arguably be a violation of KVM's "spec", and
(c) the worst case scenario is that the guest would simply lose async
#PF functionality.
[*] https://lore.kernel.org/all/ZS7ERnnRqs8Fl0ZF@google.com/T/#u
Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20231025055914.1201792-2-xiaoyao.li@intel.com
[sean: use true/false instead of 1/0 for booleans]
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
Documentation/virt/kvm/x86/msr.rst | 1 -
arch/x86/include/uapi/asm/kvm_para.h | 1 -
arch/x86/kernel/kvm.c | 11 ++++++-----
3 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/Documentation/virt/kvm/x86/msr.rst b/Documentation/virt/kvm/x86/msr.rst
index 9315fc385fb0b..f6d70f99a1a73 100644
--- a/Documentation/virt/kvm/x86/msr.rst
+++ b/Documentation/virt/kvm/x86/msr.rst
@@ -204,7 +204,6 @@ data:
__u32 token;
__u8 pad[56];
- __u32 enabled;
};
Bits 5-4 of the MSR are reserved and should be zero. Bit 0 is set to 1
diff --git a/arch/x86/include/uapi/asm/kvm_para.h b/arch/x86/include/uapi/asm/kvm_para.h
index 6e64b27b2c1ee..605899594ebb8 100644
--- a/arch/x86/include/uapi/asm/kvm_para.h
+++ b/arch/x86/include/uapi/asm/kvm_para.h
@@ -142,7 +142,6 @@ struct kvm_vcpu_pv_apf_data {
__u32 token;
__u8 pad[56];
- __u32 enabled;
};
#define KVM_PV_EOI_BIT 0
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index dfe9945b9bece..e34f985c9a6fd 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -65,6 +65,7 @@ static int __init parse_no_stealacc(char *arg)
early_param("no-steal-acc", parse_no_stealacc);
+static DEFINE_PER_CPU_READ_MOSTLY(bool, async_pf_enabled);
static DEFINE_PER_CPU_DECRYPTED(struct kvm_vcpu_pv_apf_data, apf_reason) __aligned(64);
DEFINE_PER_CPU_DECRYPTED(struct kvm_steal_time, steal_time) __aligned(64) __visible;
static int has_steal_clock = 0;
@@ -244,7 +245,7 @@ noinstr u32 kvm_read_and_reset_apf_flags(void)
{
u32 flags = 0;
- if (__this_cpu_read(apf_reason.enabled)) {
+ if (__this_cpu_read(async_pf_enabled)) {
flags = __this_cpu_read(apf_reason.flags);
__this_cpu_write(apf_reason.flags, 0);
}
@@ -295,7 +296,7 @@ DEFINE_IDTENTRY_SYSVEC(sysvec_kvm_asyncpf_interrupt)
inc_irq_stat(irq_hv_callback_count);
- if (__this_cpu_read(apf_reason.enabled)) {
+ if (__this_cpu_read(async_pf_enabled)) {
token = __this_cpu_read(apf_reason.token);
kvm_async_pf_task_wake(token);
__this_cpu_write(apf_reason.token, 0);
@@ -362,7 +363,7 @@ static void kvm_guest_cpu_init(void)
wrmsrl(MSR_KVM_ASYNC_PF_INT, HYPERVISOR_CALLBACK_VECTOR);
wrmsrl(MSR_KVM_ASYNC_PF_EN, pa);
- __this_cpu_write(apf_reason.enabled, 1);
+ __this_cpu_write(async_pf_enabled, true);
pr_debug("setup async PF for cpu %d\n", smp_processor_id());
}
@@ -383,11 +384,11 @@ static void kvm_guest_cpu_init(void)
static void kvm_pv_disable_apf(void)
{
- if (!__this_cpu_read(apf_reason.enabled))
+ if (!__this_cpu_read(async_pf_enabled))
return;
wrmsrl(MSR_KVM_ASYNC_PF_EN, 0);
- __this_cpu_write(apf_reason.enabled, 0);
+ __this_cpu_write(async_pf_enabled, false);
pr_debug("disable async PF for cpu %d\n", smp_processor_id());
}
--
GitLab
From df01f0a1165c35e95b5f52c7ba25c19020352ff9 Mon Sep 17 00:00:00 2001
From: Xiaoyao Li <xiaoyao.li@intel.com>
Date: Wed, 25 Oct 2023 01:59:14 -0400
Subject: [PATCH 0340/2686] KVM: x86: Improve documentation of
MSR_KVM_ASYNC_PF_EN
Fix some incorrect statement of MSR_KVM_ASYNC_PF_EN documentation and
state clearly the token in 'struct kvm_vcpu_pv_apf_data' of 'page ready'
event is matchted with the token in CR2 in 'page not present' event.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20231025055914.1201792-3-xiaoyao.li@intel.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
Documentation/virt/kvm/x86/msr.rst | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/Documentation/virt/kvm/x86/msr.rst b/Documentation/virt/kvm/x86/msr.rst
index f6d70f99a1a73..3aecf2a70e7b4 100644
--- a/Documentation/virt/kvm/x86/msr.rst
+++ b/Documentation/virt/kvm/x86/msr.rst
@@ -193,8 +193,8 @@ data:
Asynchronous page fault (APF) control MSR.
Bits 63-6 hold 64-byte aligned physical address of a 64 byte memory area
- which must be in guest RAM and must be zeroed. This memory is expected
- to hold a copy of the following structure::
+ which must be in guest RAM. This memory is expected to hold the
+ following structure::
struct kvm_vcpu_pv_apf_data {
/* Used for 'page not present' events delivered via #PF */
@@ -231,14 +231,14 @@ data:
as regular page fault, guest must reset 'flags' to '0' before it does
something that can generate normal page fault.
- Bytes 5-7 of 64 byte memory location ('token') will be written to by the
+ Bytes 4-7 of 64 byte memory location ('token') will be written to by the
hypervisor at the time of APF 'page ready' event injection. The content
- of these bytes is a token which was previously delivered as 'page not
- present' event. The event indicates the page in now available. Guest is
- supposed to write '0' to 'token' when it is done handling 'page ready'
- event and to write 1' to MSR_KVM_ASYNC_PF_ACK after clearing the location;
- writing to the MSR forces KVM to re-scan its queue and deliver the next
- pending notification.
+ of these bytes is a token which was previously delivered in CR2 as
+ 'page not present' event. The event indicates the page is now available.
+ Guest is supposed to write '0' to 'token' when it is done handling
+ 'page ready' event and to write '1' to MSR_KVM_ASYNC_PF_ACK after
+ clearing the location; writing to the MSR forces KVM to re-scan its
+ queue and deliver the next pending notification.
Note, MSR_KVM_ASYNC_PF_INT MSR specifying the interrupt vector for 'page
ready' APF delivery needs to be written to before enabling APF mechanism
--
GitLab
From cc4ce37bed85989daf8f38bf19ea591f3b36fb0c Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Wed, 31 Jan 2024 15:56:06 -0800
Subject: [PATCH 0341/2686] KVM: SVM: Set sev->asid in sev_asid_new() instead
of overloading the return
Explicitly set sev->asid in sev_asid_new() when a new ASID is successfully
allocated, and return '0' to indicate success instead of overloading the
return value to multiplex the ASID with error codes. There is exactly one
caller of sev_asid_new(), and sev_asid_free() already consumes sev->asid,
i.e. returning the ASID isn't necessary for flexibility, nor does it
provide symmetry between related APIs.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240131235609.4161407-2-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/svm/sev.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index f760106c31f8a..7c000088bca61 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -179,7 +179,8 @@ static int sev_asid_new(struct kvm_sev_info *sev)
mutex_unlock(&sev_bitmap_lock);
- return asid;
+ sev->asid = asid;
+ return 0;
e_uncharge:
sev_misc_cg_uncharge(sev);
put_misc_cg(sev->misc_cg);
@@ -246,7 +247,7 @@ static void sev_unbind_asid(struct kvm *kvm, unsigned int handle)
static int sev_guest_init(struct kvm *kvm, struct kvm_sev_cmd *argp)
{
struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info;
- int asid, ret;
+ int ret;
if (kvm->created_vcpus)
return -EINVAL;
@@ -257,10 +258,9 @@ static int sev_guest_init(struct kvm *kvm, struct kvm_sev_cmd *argp)
sev->active = true;
sev->es_active = argp->id == KVM_SEV_ES_INIT;
- asid = sev_asid_new(sev);
- if (asid < 0)
+ ret = sev_asid_new(sev);
+ if (ret)
goto e_no_asid;
- sev->asid = asid;
ret = sev_platform_init(&argp->error);
if (ret)
--
GitLab
From 466eec4a22a76c462781bf6d45cb02cbedf21a61 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Wed, 31 Jan 2024 15:56:07 -0800
Subject: [PATCH 0342/2686] KVM: SVM: Use unsigned integers when dealing with
ASIDs
Convert all local ASID variables and parameters throughout the SEV code
from signed integers to unsigned integers. As ASIDs are fundamentally
unsigned values, and the global min/max variables are appropriately
unsigned integers, too.
Functionally, this is a glorified nop as KVM guarantees min_sev_asid is
non-zero, and no CPU supports -1u as the _only_ asid, i.e. the signed vs.
unsigned goof won't cause problems in practice.
Opportunistically use sev_get_asid() in sev_flush_encrypted_page() instead
of open coding an equivalent.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240131235609.4161407-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/svm/sev.c | 18 ++++++++++--------
arch/x86/kvm/trace.h | 10 +++++-----
2 files changed, 15 insertions(+), 13 deletions(-)
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 7c000088bca61..eeef43c795d8d 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -84,9 +84,10 @@ struct enc_region {
};
/* Called with the sev_bitmap_lock held, or on shutdown */
-static int sev_flush_asids(int min_asid, int max_asid)
+static int sev_flush_asids(unsigned int min_asid, unsigned int max_asid)
{
- int ret, asid, error = 0;
+ int ret, error = 0;
+ unsigned int asid;
/* Check if there are any ASIDs to reclaim before performing a flush */
asid = find_next_bit(sev_reclaim_asid_bitmap, nr_asids, min_asid);
@@ -116,7 +117,7 @@ static inline bool is_mirroring_enc_context(struct kvm *kvm)
}
/* Must be called with the sev_bitmap_lock held */
-static bool __sev_recycle_asids(int min_asid, int max_asid)
+static bool __sev_recycle_asids(unsigned int min_asid, unsigned int max_asid)
{
if (sev_flush_asids(min_asid, max_asid))
return false;
@@ -143,8 +144,9 @@ static void sev_misc_cg_uncharge(struct kvm_sev_info *sev)
static int sev_asid_new(struct kvm_sev_info *sev)
{
- int asid, min_asid, max_asid, ret;
+ unsigned int asid, min_asid, max_asid;
bool retry = true;
+ int ret;
WARN_ON(sev->misc_cg);
sev->misc_cg = get_current_misc_cg();
@@ -188,7 +190,7 @@ static int sev_asid_new(struct kvm_sev_info *sev)
return ret;
}
-static int sev_get_asid(struct kvm *kvm)
+static unsigned int sev_get_asid(struct kvm *kvm)
{
struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info;
@@ -284,8 +286,8 @@ static int sev_guest_init(struct kvm *kvm, struct kvm_sev_cmd *argp)
static int sev_bind_asid(struct kvm *kvm, unsigned int handle, int *error)
{
+ unsigned int asid = sev_get_asid(kvm);
struct sev_data_activate activate;
- int asid = sev_get_asid(kvm);
int ret;
/* activate ASID on the given handle */
@@ -2312,7 +2314,7 @@ int sev_cpu_init(struct svm_cpu_data *sd)
*/
static void sev_flush_encrypted_page(struct kvm_vcpu *vcpu, void *va)
{
- int asid = to_kvm_svm(vcpu->kvm)->sev_info.asid;
+ unsigned int asid = sev_get_asid(vcpu->kvm);
/*
* Note! The address must be a kernel address, as regular page walk
@@ -2630,7 +2632,7 @@ void sev_es_unmap_ghcb(struct vcpu_svm *svm)
void pre_sev_run(struct vcpu_svm *svm, int cpu)
{
struct svm_cpu_data *sd = per_cpu_ptr(&svm_data, cpu);
- int asid = sev_get_asid(svm->vcpu.kvm);
+ unsigned int asid = sev_get_asid(svm->vcpu.kvm);
/* Assign the asid allocated with this SEV guest */
svm->asid = asid;
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 83843379813ee..b82e6ed4f0241 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -732,13 +732,13 @@ TRACE_EVENT(kvm_nested_intr_vmexit,
* Tracepoint for nested #vmexit because of interrupt pending
*/
TRACE_EVENT(kvm_invlpga,
- TP_PROTO(__u64 rip, int asid, u64 address),
+ TP_PROTO(__u64 rip, unsigned int asid, u64 address),
TP_ARGS(rip, asid, address),
TP_STRUCT__entry(
- __field( __u64, rip )
- __field( int, asid )
- __field( __u64, address )
+ __field( __u64, rip )
+ __field( unsigned int, asid )
+ __field( __u64, address )
),
TP_fast_assign(
@@ -747,7 +747,7 @@ TRACE_EVENT(kvm_invlpga,
__entry->address = address;
),
- TP_printk("rip: 0x%016llx asid: %d address: 0x%016llx",
+ TP_printk("rip: 0x%016llx asid: %u address: 0x%016llx",
__entry->rip, __entry->asid, __entry->address)
);
--
GitLab
From 0aa6b90ef9d75b4bd7b6d106d85f2a3437697f91 Mon Sep 17 00:00:00 2001
From: Ashish Kalra <ashish.kalra@amd.com>
Date: Wed, 31 Jan 2024 15:56:08 -0800
Subject: [PATCH 0343/2686] KVM: SVM: Add support for allowing zero SEV ASIDs
Some BIOSes allow the end user to set the minimum SEV ASID value
(CPUID 0x8000001F_EDX) to be greater than the maximum number of
encrypted guests, or maximum SEV ASID value (CPUID 0x8000001F_ECX)
in order to dedicate all the SEV ASIDs to SEV-ES or SEV-SNP.
The SEV support, as coded, does not handle the case where the minimum
SEV ASID value can be greater than the maximum SEV ASID value.
As a result, the following confusing message is issued:
[ 30.715724] kvm_amd: SEV enabled (ASIDs 1007 - 1006)
Fix the support to properly handle this case.
Fixes: 916391a2d1dc ("KVM: SVM: Add support for SEV-ES capability in KVM")
Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240104190520.62510-1-Ashish.Kalra@amd.com
Link: https://lore.kernel.org/r/20240131235609.4161407-4-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/svm/sev.c | 29 +++++++++++++++++++----------
1 file changed, 19 insertions(+), 10 deletions(-)
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index eeef43c795d8d..5f8312edee36b 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -144,10 +144,21 @@ static void sev_misc_cg_uncharge(struct kvm_sev_info *sev)
static int sev_asid_new(struct kvm_sev_info *sev)
{
- unsigned int asid, min_asid, max_asid;
+ /*
+ * SEV-enabled guests must use asid from min_sev_asid to max_sev_asid.
+ * SEV-ES-enabled guest can use from 1 to min_sev_asid - 1.
+ * Note: min ASID can end up larger than the max if basic SEV support is
+ * effectively disabled by disallowing use of ASIDs for SEV guests.
+ */
+ unsigned int min_asid = sev->es_active ? 1 : min_sev_asid;
+ unsigned int max_asid = sev->es_active ? min_sev_asid - 1 : max_sev_asid;
+ unsigned int asid;
bool retry = true;
int ret;
+ if (min_asid > max_asid)
+ return -ENOTTY;
+
WARN_ON(sev->misc_cg);
sev->misc_cg = get_current_misc_cg();
ret = sev_misc_cg_try_charge(sev);
@@ -159,12 +170,6 @@ static int sev_asid_new(struct kvm_sev_info *sev)
mutex_lock(&sev_bitmap_lock);
- /*
- * SEV-enabled guests must use asid from min_sev_asid to max_sev_asid.
- * SEV-ES-enabled guest can use from 1 to min_sev_asid - 1.
- */
- min_asid = sev->es_active ? 1 : min_sev_asid;
- max_asid = sev->es_active ? min_sev_asid - 1 : max_sev_asid;
again:
asid = find_next_zero_bit(sev_asid_bitmap, max_asid + 1, min_asid);
if (asid > max_asid) {
@@ -2234,8 +2239,10 @@ void __init sev_hardware_setup(void)
goto out;
}
- sev_asid_count = max_sev_asid - min_sev_asid + 1;
- WARN_ON_ONCE(misc_cg_set_capacity(MISC_CG_RES_SEV, sev_asid_count));
+ if (min_sev_asid <= max_sev_asid) {
+ sev_asid_count = max_sev_asid - min_sev_asid + 1;
+ WARN_ON_ONCE(misc_cg_set_capacity(MISC_CG_RES_SEV, sev_asid_count));
+ }
sev_supported = true;
/* SEV-ES support requested? */
@@ -2266,7 +2273,9 @@ void __init sev_hardware_setup(void)
out:
if (boot_cpu_has(X86_FEATURE_SEV))
pr_info("SEV %s (ASIDs %u - %u)\n",
- sev_supported ? "enabled" : "disabled",
+ sev_supported ? min_sev_asid <= max_sev_asid ? "enabled" :
+ "unusable" :
+ "disabled",
min_sev_asid, max_sev_asid);
if (boot_cpu_has(X86_FEATURE_SEV_ES))
pr_info("SEV-ES %s (ASIDs %u - %u)\n",
--
GitLab
From fdd58834d132046149699b88a27a0db26829f4fb Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Wed, 31 Jan 2024 15:56:09 -0800
Subject: [PATCH 0344/2686] KVM: SVM: Return -EINVAL instead of -EBUSY on
attempt to re-init SEV/SEV-ES
Return -EINVAL instead of -EBUSY if userspace attempts KVM_SEV{,ES}_INIT
on a VM that already has SEV active. Returning -EBUSY is nonsencial as
it's impossible to deactivate SEV without destroying the VM, i.e. the VM
isn't "busy" in any sane sense of the word, and the odds of any userspace
wanting exactly -EBUSY on a userspace bug are minuscule.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240131235609.4161407-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/svm/sev.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 5f8312edee36b..f06f9e51ad9db 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -259,9 +259,8 @@ static int sev_guest_init(struct kvm *kvm, struct kvm_sev_cmd *argp)
if (kvm->created_vcpus)
return -EINVAL;
- ret = -EBUSY;
if (unlikely(sev->active))
- return ret;
+ return -EINVAL;
sev->active = true;
sev->es_active = argp->id == KVM_SEV_ES_INIT;
--
GitLab
From 3c28bf48065b38b3551b1944c0b5d37529e98ff2 Mon Sep 17 00:00:00 2001
From: Neil Armstrong <neil.armstrong@linaro.org>
Date: Tue, 23 Jan 2024 09:51:02 +0100
Subject: [PATCH 0345/2686] dt-bindings: remoteproc: qcom,sm8550-pas: document
the SM8650 PAS
Document the DSP Peripheral Authentication Service on the SM8650 Platform.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240123-topic-sm8650-upstream-remoteproc-v7-1-61283f50162f@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
.../bindings/remoteproc/qcom,sm8550-pas.yaml | 45 ++++++++++++++++++-
1 file changed, 44 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
index 58120829fb06f..5f63b6b9a8f5a 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
@@ -19,6 +19,9 @@ properties:
- qcom,sm8550-adsp-pas
- qcom,sm8550-cdsp-pas
- qcom,sm8550-mpss-pas
+ - qcom,sm8650-adsp-pas
+ - qcom,sm8650-cdsp-pas
+ - qcom,sm8650-mpss-pas
reg:
maxItems: 1
@@ -49,6 +52,8 @@ properties:
- description: Memory region for main Firmware authentication
- description: Memory region for Devicetree Firmware authentication
- description: DSM Memory region
+ - description: DSM Memory region 2
+ - description: Memory region for Qlink Logging
required:
- compatible
@@ -63,6 +68,7 @@ allOf:
enum:
- qcom,sm8550-adsp-pas
- qcom,sm8550-cdsp-pas
+ - qcom,sm8650-adsp-pas
then:
properties:
interrupts:
@@ -71,7 +77,26 @@ allOf:
maxItems: 5
memory-region:
maxItems: 2
- else:
+ - if:
+ properties:
+ compatible:
+ enum:
+ - qcom,sm8650-cdsp-pas
+ then:
+ properties:
+ interrupts:
+ maxItems: 5
+ interrupt-names:
+ maxItems: 5
+ memory-region:
+ minItems: 3
+ maxItems: 3
+ - if:
+ properties:
+ compatible:
+ enum:
+ - qcom,sm8550-mpss-pas
+ then:
properties:
interrupts:
minItems: 6
@@ -79,12 +104,28 @@ allOf:
minItems: 6
memory-region:
minItems: 3
+ maxItems: 3
+ - if:
+ properties:
+ compatible:
+ enum:
+ - qcom,sm8650-mpss-pas
+ then:
+ properties:
+ interrupts:
+ minItems: 6
+ interrupt-names:
+ minItems: 6
+ memory-region:
+ minItems: 5
+ maxItems: 5
- if:
properties:
compatible:
enum:
- qcom,sm8550-adsp-pas
+ - qcom,sm8650-adsp-pas
then:
properties:
power-domains:
@@ -101,6 +142,7 @@ allOf:
compatible:
enum:
- qcom,sm8550-mpss-pas
+ - qcom,sm8650-mpss-pas
then:
properties:
power-domains:
@@ -116,6 +158,7 @@ allOf:
compatible:
enum:
- qcom,sm8550-cdsp-pas
+ - qcom,sm8650-cdsp-pas
then:
properties:
power-domains:
--
GitLab
From 1abd3130cf55c206689c76fee41299dbf58577bc Mon Sep 17 00:00:00 2001
From: Neil Armstrong <neil.armstrong@linaro.org>
Date: Tue, 23 Jan 2024 09:51:03 +0100
Subject: [PATCH 0346/2686] remoteproc: qcom: pas: make region assign more
generic
The current memory region assign only supports a single
memory region.
But new platforms introduces more regions to make the
memory requirements more flexible for various use cases.
Those new platforms also shares the memory region between the
DSP and HLOS.
To handle this, make the region assign more generic in order
to support more than a single memory region and also permit
setting the regions permissions as shared.
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240123-topic-sm8650-upstream-remoteproc-v7-2-61283f50162f@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/remoteproc/qcom_q6v5_pas.c | 100 +++++++++++++++++++----------
1 file changed, 66 insertions(+), 34 deletions(-)
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index a9dd58608052c..09e8ad9f08c42 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -33,6 +33,8 @@
#define ADSP_DECRYPT_SHUTDOWN_DELAY_MS 100
+#define MAX_ASSIGN_COUNT 3
+
struct adsp_data {
int crash_reason_smem;
const char *firmware_name;
@@ -51,6 +53,9 @@ struct adsp_data {
int ssctl_id;
int region_assign_idx;
+ int region_assign_count;
+ bool region_assign_shared;
+ int region_assign_vmid;
};
struct qcom_adsp {
@@ -87,15 +92,18 @@ struct qcom_adsp {
phys_addr_t dtb_mem_phys;
phys_addr_t mem_reloc;
phys_addr_t dtb_mem_reloc;
- phys_addr_t region_assign_phys;
+ phys_addr_t region_assign_phys[MAX_ASSIGN_COUNT];
void *mem_region;
void *dtb_mem_region;
size_t mem_size;
size_t dtb_mem_size;
- size_t region_assign_size;
+ size_t region_assign_size[MAX_ASSIGN_COUNT];
int region_assign_idx;
- u64 region_assign_perms;
+ int region_assign_count;
+ bool region_assign_shared;
+ int region_assign_vmid;
+ u64 region_assign_owners[MAX_ASSIGN_COUNT];
struct qcom_rproc_glink glink_subdev;
struct qcom_rproc_subdev smd_subdev;
@@ -590,37 +598,53 @@ static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
static int adsp_assign_memory_region(struct qcom_adsp *adsp)
{
- struct reserved_mem *rmem = NULL;
- struct qcom_scm_vmperm perm;
+ struct qcom_scm_vmperm perm[MAX_ASSIGN_COUNT];
struct device_node *node;
+ unsigned int perm_size;
+ int offset;
int ret;
if (!adsp->region_assign_idx)
return 0;
- node = of_parse_phandle(adsp->dev->of_node, "memory-region", adsp->region_assign_idx);
- if (node)
- rmem = of_reserved_mem_lookup(node);
- of_node_put(node);
- if (!rmem) {
- dev_err(adsp->dev, "unable to resolve shareable memory-region\n");
- return -EINVAL;
- }
+ for (offset = 0; offset < adsp->region_assign_count; ++offset) {
+ struct reserved_mem *rmem = NULL;
+
+ node = of_parse_phandle(adsp->dev->of_node, "memory-region",
+ adsp->region_assign_idx + offset);
+ if (node)
+ rmem = of_reserved_mem_lookup(node);
+ of_node_put(node);
+ if (!rmem) {
+ dev_err(adsp->dev, "unable to resolve shareable memory-region index %d\n",
+ offset);
+ return -EINVAL;
+ }
- perm.vmid = QCOM_SCM_VMID_MSS_MSA;
- perm.perm = QCOM_SCM_PERM_RW;
+ if (adsp->region_assign_shared) {
+ perm[0].vmid = QCOM_SCM_VMID_HLOS;
+ perm[0].perm = QCOM_SCM_PERM_RW;
+ perm[1].vmid = adsp->region_assign_vmid;
+ perm[1].perm = QCOM_SCM_PERM_RW;
+ perm_size = 2;
+ } else {
+ perm[0].vmid = adsp->region_assign_vmid;
+ perm[0].perm = QCOM_SCM_PERM_RW;
+ perm_size = 1;
+ }
- adsp->region_assign_phys = rmem->base;
- adsp->region_assign_size = rmem->size;
- adsp->region_assign_perms = BIT(QCOM_SCM_VMID_HLOS);
+ adsp->region_assign_phys[offset] = rmem->base;
+ adsp->region_assign_size[offset] = rmem->size;
+ adsp->region_assign_owners[offset] = BIT(QCOM_SCM_VMID_HLOS);
- ret = qcom_scm_assign_mem(adsp->region_assign_phys,
- adsp->region_assign_size,
- &adsp->region_assign_perms,
- &perm, 1);
- if (ret < 0) {
- dev_err(adsp->dev, "assign memory failed\n");
- return ret;
+ ret = qcom_scm_assign_mem(adsp->region_assign_phys[offset],
+ adsp->region_assign_size[offset],
+ &adsp->region_assign_owners[offset],
+ perm, perm_size);
+ if (ret < 0) {
+ dev_err(adsp->dev, "assign memory %d failed\n", offset);
+ return ret;
+ }
}
return 0;
@@ -629,20 +653,23 @@ static int adsp_assign_memory_region(struct qcom_adsp *adsp)
static void adsp_unassign_memory_region(struct qcom_adsp *adsp)
{
struct qcom_scm_vmperm perm;
+ int offset;
int ret;
- if (!adsp->region_assign_idx)
+ if (!adsp->region_assign_idx || adsp->region_assign_shared)
return;
- perm.vmid = QCOM_SCM_VMID_HLOS;
- perm.perm = QCOM_SCM_PERM_RW;
+ for (offset = 0; offset < adsp->region_assign_count; ++offset) {
+ perm.vmid = QCOM_SCM_VMID_HLOS;
+ perm.perm = QCOM_SCM_PERM_RW;
- ret = qcom_scm_assign_mem(adsp->region_assign_phys,
- adsp->region_assign_size,
- &adsp->region_assign_perms,
- &perm, 1);
- if (ret < 0)
- dev_err(adsp->dev, "unassign memory failed\n");
+ ret = qcom_scm_assign_mem(adsp->region_assign_phys[offset],
+ adsp->region_assign_size[offset],
+ &adsp->region_assign_owners[offset],
+ &perm, 1);
+ if (ret < 0)
+ dev_err(adsp->dev, "unassign memory %d failed\n", offset);
+ }
}
static int adsp_probe(struct platform_device *pdev)
@@ -696,6 +723,9 @@ static int adsp_probe(struct platform_device *pdev)
adsp->info_name = desc->sysmon_name;
adsp->decrypt_shutdown = desc->decrypt_shutdown;
adsp->region_assign_idx = desc->region_assign_idx;
+ adsp->region_assign_count = min_t(int, MAX_ASSIGN_COUNT, desc->region_assign_count);
+ adsp->region_assign_vmid = desc->region_assign_vmid;
+ adsp->region_assign_shared = desc->region_assign_shared;
if (dtb_fw_name) {
adsp->dtb_firmware_name = dtb_fw_name;
adsp->dtb_pas_id = desc->dtb_pas_id;
@@ -1163,6 +1193,8 @@ static const struct adsp_data sm8550_mpss_resource = {
.sysmon_name = "modem",
.ssctl_id = 0x12,
.region_assign_idx = 2,
+ .region_assign_count = 1,
+ .region_assign_vmid = QCOM_SCM_VMID_MSS_MSA,
};
static const struct adsp_data sc7280_wpss_resource = {
--
GitLab
From a3dd84d308c561f5600c8e2260f693857022a2c4 Mon Sep 17 00:00:00 2001
From: Neil Armstrong <neil.armstrong@linaro.org>
Date: Tue, 23 Jan 2024 09:51:04 +0100
Subject: [PATCH 0347/2686] remoteproc: qcom: pas: Add SM8650 remoteproc
support
Add DSP Peripheral Authentication Service support for the SM8650 platform.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Mukesh Ojha <quic_mojha@quicinc.com>
Link: https://lore.kernel.org/r/20240123-topic-sm8650-upstream-remoteproc-v7-3-61283f50162f@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/remoteproc/qcom_q6v5_pas.c | 50 ++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 09e8ad9f08c42..d0b1f0f38347b 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -1213,6 +1213,53 @@ static const struct adsp_data sc7280_wpss_resource = {
.ssctl_id = 0x19,
};
+static const struct adsp_data sm8650_cdsp_resource = {
+ .crash_reason_smem = 601,
+ .firmware_name = "cdsp.mdt",
+ .dtb_firmware_name = "cdsp_dtb.mdt",
+ .pas_id = 18,
+ .dtb_pas_id = 0x25,
+ .minidump_id = 7,
+ .auto_boot = true,
+ .proxy_pd_names = (char*[]){
+ "cx",
+ "mxc",
+ "nsp",
+ NULL
+ },
+ .load_state = "cdsp",
+ .ssr_name = "cdsp",
+ .sysmon_name = "cdsp",
+ .ssctl_id = 0x17,
+ .region_assign_idx = 2,
+ .region_assign_count = 1,
+ .region_assign_shared = true,
+ .region_assign_vmid = QCOM_SCM_VMID_CDSP,
+};
+
+static const struct adsp_data sm8650_mpss_resource = {
+ .crash_reason_smem = 421,
+ .firmware_name = "modem.mdt",
+ .dtb_firmware_name = "modem_dtb.mdt",
+ .pas_id = 4,
+ .dtb_pas_id = 0x26,
+ .minidump_id = 3,
+ .auto_boot = false,
+ .decrypt_shutdown = true,
+ .proxy_pd_names = (char*[]){
+ "cx",
+ "mss",
+ NULL
+ },
+ .load_state = "modem",
+ .ssr_name = "mpss",
+ .sysmon_name = "modem",
+ .ssctl_id = 0x12,
+ .region_assign_idx = 2,
+ .region_assign_count = 3,
+ .region_assign_vmid = QCOM_SCM_VMID_MSS_MSA,
+};
+
static const struct of_device_id adsp_of_match[] = {
{ .compatible = "qcom,msm8226-adsp-pil", .data = &adsp_resource_init},
{ .compatible = "qcom,msm8953-adsp-pil", .data = &msm8996_adsp_resource},
@@ -1268,6 +1315,9 @@ static const struct of_device_id adsp_of_match[] = {
{ .compatible = "qcom,sm8550-adsp-pas", .data = &sm8550_adsp_resource},
{ .compatible = "qcom,sm8550-cdsp-pas", .data = &sm8550_cdsp_resource},
{ .compatible = "qcom,sm8550-mpss-pas", .data = &sm8550_mpss_resource},
+ { .compatible = "qcom,sm8650-adsp-pas", .data = &sm8550_adsp_resource},
+ { .compatible = "qcom,sm8650-cdsp-pas", .data = &sm8650_cdsp_resource},
+ { .compatible = "qcom,sm8650-mpss-pas", .data = &sm8650_mpss_resource},
{ },
};
MODULE_DEVICE_TABLE(of, adsp_of_match);
--
GitLab
From 8b46dc5cfa5ffea279aed0fc05dc4b1c39a51517 Mon Sep 17 00:00:00 2001
From: Mathieu Poirier <mathieu.poirier@linaro.org>
Date: Tue, 30 Jan 2024 07:48:49 -0800
Subject: [PATCH 0348/2686] remoteproc: Make rproc_get_by_phandle() work for
clusters
Multi-cluster remoteproc designs typically have the following DT
declaration:
remoteproc-cluster {
compatible = "soc,remoteproc-cluster";
core0: core0 {
compatible = "soc,remoteproc-core"
memory-region;
sram;
};
core1: core1 {
compatible = "soc,remoteproc-core"
memory-region;
sram;
}
};
A driver exists for the cluster rather than the individual cores
themselves so that operation mode and HW specific configurations
applicable to the cluster can be made.
Because the driver exists at the cluster level and not the individual
core level, function rproc_get_by_phandle() fails to return the
remoteproc associated with the phandled it is called for.
This patch enhances rproc_get_by_phandle() by looking for the cluster's
driver when the driver for the immediate remoteproc's parent is not
found.
Reported-by: Ben Levinsky <ben.levinsky@xilinx.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Co-developed-by: Tarak Reddy <tarak.reddy@amd.com>
Signed-off-by: Tarak Reddy <tarak.reddy@amd.com>
Co-developed-by: Tanmay Shah <tanmay.shah@amd.com>
Signed-off-by: Tanmay Shah <tanmay.shah@amd.com>
Link: https://lore.kernel.org/r/20240130154849.1018666-1-tanmay.shah@amd.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/remoteproc/remoteproc_core.c | 29 ++++++++++++++++++++++++++--
1 file changed, 27 insertions(+), 2 deletions(-)
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 695cce218e8c6..f276956f2c5ce 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -33,6 +33,7 @@
#include <linux/idr.h>
#include <linux/elf.h>
#include <linux/crc32.h>
+#include <linux/of_platform.h>
#include <linux/of_reserved_mem.h>
#include <linux/virtio_ids.h>
#include <linux/virtio_ring.h>
@@ -2112,6 +2113,7 @@ EXPORT_SYMBOL(rproc_detach);
struct rproc *rproc_get_by_phandle(phandle phandle)
{
struct rproc *rproc = NULL, *r;
+ struct device_driver *driver;
struct device_node *np;
np = of_find_node_by_phandle(phandle);
@@ -2122,7 +2124,26 @@ struct rproc *rproc_get_by_phandle(phandle phandle)
list_for_each_entry_rcu(r, &rproc_list, node) {
if (r->dev.parent && device_match_of_node(r->dev.parent, np)) {
/* prevent underlying implementation from being removed */
- if (!try_module_get(r->dev.parent->driver->owner)) {
+
+ /*
+ * If the remoteproc's parent has a driver, the
+ * remoteproc is not part of a cluster and we can use
+ * that driver.
+ */
+ driver = r->dev.parent->driver;
+
+ /*
+ * If the remoteproc's parent does not have a driver,
+ * look for the driver associated with the cluster.
+ */
+ if (!driver) {
+ if (r->dev.parent->parent)
+ driver = r->dev.parent->parent->driver;
+ if (!driver)
+ break;
+ }
+
+ if (!try_module_get(driver->owner)) {
dev_err(&r->dev, "can't get owner\n");
break;
}
@@ -2533,7 +2554,11 @@ EXPORT_SYMBOL(rproc_free);
*/
void rproc_put(struct rproc *rproc)
{
- module_put(rproc->dev.parent->driver->owner);
+ if (rproc->dev.parent->driver)
+ module_put(rproc->dev.parent->driver->owner);
+ else
+ module_put(rproc->dev.parent->parent->driver->owner);
+
put_device(&rproc->dev);
}
EXPORT_SYMBOL(rproc_put);
--
GitLab
From 6677138d7310697b69f8842f95c1d8c06da2b689 Mon Sep 17 00:00:00 2001
From: Luca Weiss <luca.weiss@fairphone.com>
Date: Thu, 8 Feb 2024 10:52:32 +0100
Subject: [PATCH 0349/2686] dt-bindings: soc: qcom: qcom,pmic-glink: document
QCM6490 compatible
Document the QCM6490 compatible used to describe the pmic glink on this
platform.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20240208-fp5-pmic-glink-v2-1-4837d4abd5a4@fairphone.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml
index 61df97ffe1e40..101c09554b805 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml
@@ -23,6 +23,7 @@ properties:
oneOf:
- items:
- enum:
+ - qcom,qcm6490-pmic-glink
- qcom,sc8180x-pmic-glink
- qcom,sc8280xp-pmic-glink
- qcom,sm8350-pmic-glink
--
GitLab
From 88bae831f3810e02c9c951233c7ee662aa13dc2c Mon Sep 17 00:00:00 2001
From: Luca Weiss <luca.weiss@fairphone.com>
Date: Thu, 8 Feb 2024 10:52:33 +0100
Subject: [PATCH 0350/2686] usb: typec: ucsi: Add qcm6490-pmic-glink as needing
PDOS quirk
The QCM6490 Linux Android firmware needs this workaround as well. Add it
to the list.
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20240208-fp5-pmic-glink-v2-2-4837d4abd5a4@fairphone.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi_glink.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/typec/ucsi/ucsi_glink.c b/drivers/usb/typec/ucsi/ucsi_glink.c
index 53a7ede8556df..0bd3f6dee678c 100644
--- a/drivers/usb/typec/ucsi/ucsi_glink.c
+++ b/drivers/usb/typec/ucsi/ucsi_glink.c
@@ -298,6 +298,7 @@ static void pmic_glink_ucsi_destroy(void *data)
}
static const struct of_device_id pmic_glink_ucsi_of_quirks[] = {
+ { .compatible = "qcom,qcm6490-pmic-glink", .data = (void *)UCSI_NO_PARTNER_PDOS, },
{ .compatible = "qcom,sc8180x-pmic-glink", .data = (void *)UCSI_NO_PARTNER_PDOS, },
{ .compatible = "qcom,sc8280xp-pmic-glink", .data = (void *)UCSI_NO_PARTNER_PDOS, },
{ .compatible = "qcom,sm8350-pmic-glink", .data = (void *)UCSI_NO_PARTNER_PDOS, },
--
GitLab
From 5df9197edd731a44682444631d68c2384f381bf1 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Tue, 6 Feb 2024 15:05:06 -0300
Subject: [PATCH 0351/2686] workqueue: make wq_subsys const
Now that the driver core can properly handle constant struct bus_type,
move the wq_subsys variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Cc: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20240206-bus_cleanup-workqueue-v1-1-72b10d282d58@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/workqueue.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 76e60faed8923..f1e062acd0916 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -6157,7 +6157,7 @@ static struct device_attribute wq_sysfs_unbound_attrs[] = {
__ATTR_NULL,
};
-static struct bus_type wq_subsys = {
+static const struct bus_type wq_subsys = {
.name = "workqueue",
.dev_groups = wq_sysfs_groups,
};
--
GitLab
From 5f1b39718d38276d7e4c65282dae480f6b2e1976 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Thu, 8 Feb 2024 11:50:51 +0100
Subject: [PATCH 0352/2686] interconnect: qcom: msm8909: constify pointer to
qcom_icc_node
Pointers to struct qcom_icc_node are const.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240208105056.128448-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
drivers/interconnect/qcom/msm8909.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/interconnect/qcom/msm8909.c b/drivers/interconnect/qcom/msm8909.c
index 23b1a818d7747..0d0cd7282f5b7 100644
--- a/drivers/interconnect/qcom/msm8909.c
+++ b/drivers/interconnect/qcom/msm8909.c
@@ -1167,7 +1167,7 @@ static struct qcom_icc_node slv_cats_1 = {
.qos.qos_mode = NOC_QOS_MODE_INVALID,
};
-static struct qcom_icc_node *msm8909_bimc_nodes[] = {
+static struct qcom_icc_node * const msm8909_bimc_nodes[] = {
[MAS_APPS_PROC] = &mas_apps_proc,
[MAS_OXILI] = &mas_oxili,
[MAS_SNOC_BIMC_0] = &mas_snoc_bimc_0,
@@ -1196,7 +1196,7 @@ static const struct qcom_icc_desc msm8909_bimc = {
.ab_coeff = 154,
};
-static struct qcom_icc_node *msm8909_pcnoc_nodes[] = {
+static struct qcom_icc_node * const msm8909_pcnoc_nodes[] = {
[MAS_AUDIO] = &mas_audio,
[MAS_SPDM] = &mas_spdm,
[MAS_DEHR] = &mas_dehr,
@@ -1263,7 +1263,7 @@ static const struct qcom_icc_desc msm8909_pcnoc = {
.qos_offset = 0x7000,
};
-static struct qcom_icc_node *msm8909_snoc_nodes[] = {
+static struct qcom_icc_node * const msm8909_snoc_nodes[] = {
[MAS_QDSS_BAM] = &mas_qdss_bam,
[MAS_BIMC_SNOC] = &mas_bimc_snoc,
[MAS_MDP] = &mas_mdp,
--
GitLab
From 79144087d9d165a65106ca90468c122184bab070 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Thu, 8 Feb 2024 11:50:52 +0100
Subject: [PATCH 0353/2686] interconnect: qcom: sa8775p: constify pointer to
qcom_icc_node
Pointers to struct qcom_icc_node are const.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240208105056.128448-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
drivers/interconnect/qcom/sa8775p.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/interconnect/qcom/sa8775p.c b/drivers/interconnect/qcom/sa8775p.c
index dd6281db08adf..fe1b11041e6af 100644
--- a/drivers/interconnect/qcom/sa8775p.c
+++ b/drivers/interconnect/qcom/sa8775p.c
@@ -2096,7 +2096,7 @@ static struct qcom_icc_bcm *aggre1_noc_bcms[] = {
&bcm_sn3,
};
-static struct qcom_icc_node *aggre1_noc_nodes[] = {
+static struct qcom_icc_node * const aggre1_noc_nodes[] = {
[MASTER_QUP_3] = &qxm_qup3,
[MASTER_EMAC] = &xm_emac_0,
[MASTER_EMAC_1] = &xm_emac_1,
@@ -2120,7 +2120,7 @@ static struct qcom_icc_bcm *aggre2_noc_bcms[] = {
&bcm_sn4,
};
-static struct qcom_icc_node *aggre2_noc_nodes[] = {
+static struct qcom_icc_node * const aggre2_noc_nodes[] = {
[MASTER_QDSS_BAM] = &qhm_qdss_bam,
[MASTER_QUP_0] = &qhm_qup0,
[MASTER_QUP_1] = &qhm_qup1,
@@ -2148,7 +2148,7 @@ static struct qcom_icc_bcm *clk_virt_bcms[] = {
&bcm_qup2,
};
-static struct qcom_icc_node *clk_virt_nodes[] = {
+static struct qcom_icc_node * const clk_virt_nodes[] = {
[MASTER_QUP_CORE_0] = &qup0_core_master,
[MASTER_QUP_CORE_1] = &qup1_core_master,
[MASTER_QUP_CORE_2] = &qup2_core_master,
@@ -2175,7 +2175,7 @@ static struct qcom_icc_bcm *config_noc_bcms[] = {
&bcm_sn10,
};
-static struct qcom_icc_node *config_noc_nodes[] = {
+static struct qcom_icc_node * const config_noc_nodes[] = {
[MASTER_GEM_NOC_CNOC] = &qnm_gemnoc_cnoc,
[MASTER_GEM_NOC_PCIE_SNOC] = &qnm_gemnoc_pcie,
[SLAVE_AHB2PHY_0] = &qhs_ahb2phy0,
@@ -2274,7 +2274,7 @@ static const struct qcom_icc_desc sa8775p_config_noc = {
static struct qcom_icc_bcm *dc_noc_bcms[] = {
};
-static struct qcom_icc_node *dc_noc_nodes[] = {
+static struct qcom_icc_node * const dc_noc_nodes[] = {
[MASTER_CNOC_DC_NOC] = &qnm_cnoc_dc_noc,
[SLAVE_LLCC_CFG] = &qhs_llcc,
[SLAVE_GEM_NOC_CFG] = &qns_gemnoc,
@@ -2292,7 +2292,7 @@ static struct qcom_icc_bcm *gem_noc_bcms[] = {
&bcm_sh2,
};
-static struct qcom_icc_node *gem_noc_nodes[] = {
+static struct qcom_icc_node * const gem_noc_nodes[] = {
[MASTER_GPU_TCU] = &alm_gpu_tcu,
[MASTER_PCIE_TCU] = &alm_pcie_tcu,
[MASTER_SYS_TCU] = &alm_sys_tcu,
@@ -2328,7 +2328,7 @@ static struct qcom_icc_bcm *gpdsp_anoc_bcms[] = {
&bcm_gnb0,
};
-static struct qcom_icc_node *gpdsp_anoc_nodes[] = {
+static struct qcom_icc_node * const gpdsp_anoc_nodes[] = {
[MASTER_DSP0] = &qxm_dsp0,
[MASTER_DSP1] = &qxm_dsp1,
[SLAVE_GP_DSP_SAIL_NOC] = &qns_gp_dsp_sail_noc,
@@ -2345,7 +2345,7 @@ static struct qcom_icc_bcm *lpass_ag_noc_bcms[] = {
&bcm_sn9,
};
-static struct qcom_icc_node *lpass_ag_noc_nodes[] = {
+static struct qcom_icc_node * const lpass_ag_noc_nodes[] = {
[MASTER_CNOC_LPASS_AG_NOC] = &qhm_config_noc,
[MASTER_LPASS_PROC] = &qxm_lpass_dsp,
[SLAVE_LPASS_CORE_CFG] = &qhs_lpass_core,
@@ -2369,7 +2369,7 @@ static struct qcom_icc_bcm *mc_virt_bcms[] = {
&bcm_mc0,
};
-static struct qcom_icc_node *mc_virt_nodes[] = {
+static struct qcom_icc_node * const mc_virt_nodes[] = {
[MASTER_LLCC] = &llcc_mc,
[SLAVE_EBI1] = &ebi,
};
@@ -2386,7 +2386,7 @@ static struct qcom_icc_bcm *mmss_noc_bcms[] = {
&bcm_mm1,
};
-static struct qcom_icc_node *mmss_noc_nodes[] = {
+static struct qcom_icc_node * const mmss_noc_nodes[] = {
[MASTER_CAMNOC_HF] = &qnm_camnoc_hf,
[MASTER_CAMNOC_ICP] = &qnm_camnoc_icp,
[MASTER_CAMNOC_SF] = &qnm_camnoc_sf,
@@ -2418,7 +2418,7 @@ static struct qcom_icc_bcm *nspa_noc_bcms[] = {
&bcm_nsa1,
};
-static struct qcom_icc_node *nspa_noc_nodes[] = {
+static struct qcom_icc_node * const nspa_noc_nodes[] = {
[MASTER_CDSP_NOC_CFG] = &qhm_nsp_noc_config,
[MASTER_CDSP_PROC] = &qxm_nsp,
[SLAVE_HCP_A] = &qns_hcp,
@@ -2438,7 +2438,7 @@ static struct qcom_icc_bcm *nspb_noc_bcms[] = {
&bcm_nsb1,
};
-static struct qcom_icc_node *nspb_noc_nodes[] = {
+static struct qcom_icc_node * const nspb_noc_nodes[] = {
[MASTER_CDSPB_NOC_CFG] = &qhm_nspb_noc_config,
[MASTER_CDSP_PROC_B] = &qxm_nspb,
[SLAVE_CDSPB_MEM_NOC] = &qns_nspb_gemnoc,
@@ -2457,7 +2457,7 @@ static struct qcom_icc_bcm *pcie_anoc_bcms[] = {
&bcm_pci0,
};
-static struct qcom_icc_node *pcie_anoc_nodes[] = {
+static struct qcom_icc_node * const pcie_anoc_nodes[] = {
[MASTER_PCIE_0] = &xm_pcie3_0,
[MASTER_PCIE_1] = &xm_pcie3_1,
[SLAVE_ANOC_PCIE_GEM_NOC] = &qns_pcie_mem_noc,
@@ -2478,7 +2478,7 @@ static struct qcom_icc_bcm *system_noc_bcms[] = {
&bcm_sn9,
};
-static struct qcom_icc_node *system_noc_nodes[] = {
+static struct qcom_icc_node * const system_noc_nodes[] = {
[MASTER_GIC_AHB] = &qhm_gic,
[MASTER_A1NOC_SNOC] = &qnm_aggre1_noc,
[MASTER_A2NOC_SNOC] = &qnm_aggre2_noc,
--
GitLab
From bf6c62fb80d67cf00635d4d2fec6f8d9aad517cf Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Thu, 8 Feb 2024 11:50:53 +0100
Subject: [PATCH 0354/2686] interconnect: qcom: sm8250: constify pointer to
qcom_icc_node
Pointers to struct qcom_icc_node are const.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240208105056.128448-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
drivers/interconnect/qcom/sm8250.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/interconnect/qcom/sm8250.c b/drivers/interconnect/qcom/sm8250.c
index 02d40eea0d696..1879fa15761f5 100644
--- a/drivers/interconnect/qcom/sm8250.c
+++ b/drivers/interconnect/qcom/sm8250.c
@@ -1673,7 +1673,7 @@ static struct qcom_icc_bcm * const qup_virt_bcms[] = {
&bcm_qup0,
};
-static struct qcom_icc_node *qup_virt_nodes[] = {
+static struct qcom_icc_node * const qup_virt_nodes[] = {
[MASTER_QUP_CORE_0] = &qup0_core_master,
[MASTER_QUP_CORE_1] = &qup1_core_master,
[MASTER_QUP_CORE_2] = &qup2_core_master,
--
GitLab
From 57d6c77e02b7f381d3c5e83154fa69b6c060d222 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Thu, 8 Feb 2024 11:50:54 +0100
Subject: [PATCH 0355/2686] interconnect: qcom: sm6115: constify pointer to
qcom_icc_node
Pointers to struct qcom_icc_node are const.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240208105056.128448-5-krzysztof.kozlowski@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
drivers/interconnect/qcom/sm6115.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/interconnect/qcom/sm6115.c b/drivers/interconnect/qcom/sm6115.c
index 88b67634aa2f1..7e15ddf0a80a9 100644
--- a/drivers/interconnect/qcom/sm6115.c
+++ b/drivers/interconnect/qcom/sm6115.c
@@ -1193,7 +1193,7 @@ static struct qcom_icc_node slv_anoc_snoc = {
.links = slv_anoc_snoc_links,
};
-static struct qcom_icc_node *bimc_nodes[] = {
+static struct qcom_icc_node * const bimc_nodes[] = {
[MASTER_AMPSS_M0] = &apps_proc,
[MASTER_SNOC_BIMC_RT] = &mas_snoc_bimc_rt,
[MASTER_SNOC_BIMC_NRT] = &mas_snoc_bimc_nrt,
@@ -1223,7 +1223,7 @@ static const struct qcom_icc_desc sm6115_bimc = {
.ab_coeff = 153,
};
-static struct qcom_icc_node *config_noc_nodes[] = {
+static struct qcom_icc_node * const config_noc_nodes[] = {
[SNOC_CNOC_MAS] = &mas_snoc_cnoc,
[MASTER_QDSS_DAP] = &xm_dap,
[SLAVE_AHB2PHY_USB] = &qhs_ahb2phy_usb,
@@ -1294,7 +1294,7 @@ static const struct qcom_icc_desc sm6115_config_noc = {
.keep_alive = true,
};
-static struct qcom_icc_node *sys_noc_nodes[] = {
+static struct qcom_icc_node * const sys_noc_nodes[] = {
[MASTER_CRYPTO_CORE0] = &crypto_c0,
[MASTER_SNOC_CFG] = &qhm_snoc_cfg,
[MASTER_TIC] = &qhm_tic,
@@ -1339,7 +1339,7 @@ static const struct qcom_icc_desc sm6115_sys_noc = {
.keep_alive = true,
};
-static struct qcom_icc_node *clk_virt_nodes[] = {
+static struct qcom_icc_node * const clk_virt_nodes[] = {
[MASTER_QUP_CORE_0] = &qup0_core_master,
[SLAVE_QUP_CORE_0] = &qup0_core_slave,
};
@@ -1353,7 +1353,7 @@ static const struct qcom_icc_desc sm6115_clk_virt = {
.keep_alive = true,
};
-static struct qcom_icc_node *mmnrt_virt_nodes[] = {
+static struct qcom_icc_node * const mmnrt_virt_nodes[] = {
[MASTER_CAMNOC_SF] = &qnm_camera_nrt,
[MASTER_VIDEO_P0] = &qxm_venus0,
[MASTER_VIDEO_PROC] = &qxm_venus_cpu,
@@ -1370,7 +1370,7 @@ static const struct qcom_icc_desc sm6115_mmnrt_virt = {
.ab_coeff = 142,
};
-static struct qcom_icc_node *mmrt_virt_nodes[] = {
+static struct qcom_icc_node * const mmrt_virt_nodes[] = {
[MASTER_CAMNOC_HF] = &qnm_camera_rt,
[MASTER_MDP_PORT0] = &qxm_mdp0,
[SLAVE_SNOC_BIMC_RT] = &slv_snoc_bimc_rt,
--
GitLab
From e6e1bf1359df11382ab07a9468d82f3c1ed8e17e Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Thu, 8 Feb 2024 11:50:55 +0100
Subject: [PATCH 0356/2686] interconnect: qcom: sa8775p: constify pointer to
qcom_icc_bcm
Pointers to struct qcom_icc_bcm are const.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240208105056.128448-6-krzysztof.kozlowski@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
drivers/interconnect/qcom/sa8775p.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/interconnect/qcom/sa8775p.c b/drivers/interconnect/qcom/sa8775p.c
index fe1b11041e6af..a729775c2aa45 100644
--- a/drivers/interconnect/qcom/sa8775p.c
+++ b/drivers/interconnect/qcom/sa8775p.c
@@ -2092,7 +2092,7 @@ static struct qcom_icc_bcm bcm_sn10 = {
.nodes = { &xs_qdss_stm },
};
-static struct qcom_icc_bcm *aggre1_noc_bcms[] = {
+static struct qcom_icc_bcm * const aggre1_noc_bcms[] = {
&bcm_sn3,
};
@@ -2115,7 +2115,7 @@ static const struct qcom_icc_desc sa8775p_aggre1_noc = {
.num_bcms = ARRAY_SIZE(aggre1_noc_bcms),
};
-static struct qcom_icc_bcm *aggre2_noc_bcms[] = {
+static struct qcom_icc_bcm * const aggre2_noc_bcms[] = {
&bcm_ce0,
&bcm_sn4,
};
@@ -2142,7 +2142,7 @@ static const struct qcom_icc_desc sa8775p_aggre2_noc = {
.num_bcms = ARRAY_SIZE(aggre2_noc_bcms),
};
-static struct qcom_icc_bcm *clk_virt_bcms[] = {
+static struct qcom_icc_bcm * const clk_virt_bcms[] = {
&bcm_qup0,
&bcm_qup1,
&bcm_qup2,
@@ -2166,7 +2166,7 @@ static const struct qcom_icc_desc sa8775p_clk_virt = {
.num_bcms = ARRAY_SIZE(clk_virt_bcms),
};
-static struct qcom_icc_bcm *config_noc_bcms[] = {
+static struct qcom_icc_bcm * const config_noc_bcms[] = {
&bcm_cn0,
&bcm_cn1,
&bcm_cn2,
@@ -2271,7 +2271,7 @@ static const struct qcom_icc_desc sa8775p_config_noc = {
.num_bcms = ARRAY_SIZE(config_noc_bcms),
};
-static struct qcom_icc_bcm *dc_noc_bcms[] = {
+static struct qcom_icc_bcm * const dc_noc_bcms[] = {
};
static struct qcom_icc_node * const dc_noc_nodes[] = {
@@ -2287,7 +2287,7 @@ static const struct qcom_icc_desc sa8775p_dc_noc = {
.num_bcms = ARRAY_SIZE(dc_noc_bcms),
};
-static struct qcom_icc_bcm *gem_noc_bcms[] = {
+static struct qcom_icc_bcm * const gem_noc_bcms[] = {
&bcm_sh0,
&bcm_sh2,
};
@@ -2323,7 +2323,7 @@ static const struct qcom_icc_desc sa8775p_gem_noc = {
.num_bcms = ARRAY_SIZE(gem_noc_bcms),
};
-static struct qcom_icc_bcm *gpdsp_anoc_bcms[] = {
+static struct qcom_icc_bcm * const gpdsp_anoc_bcms[] = {
&bcm_gna0,
&bcm_gnb0,
};
@@ -2341,7 +2341,7 @@ static const struct qcom_icc_desc sa8775p_gpdsp_anoc = {
.num_bcms = ARRAY_SIZE(gpdsp_anoc_bcms),
};
-static struct qcom_icc_bcm *lpass_ag_noc_bcms[] = {
+static struct qcom_icc_bcm * const lpass_ag_noc_bcms[] = {
&bcm_sn9,
};
@@ -2364,7 +2364,7 @@ static const struct qcom_icc_desc sa8775p_lpass_ag_noc = {
.num_bcms = ARRAY_SIZE(lpass_ag_noc_bcms),
};
-static struct qcom_icc_bcm *mc_virt_bcms[] = {
+static struct qcom_icc_bcm * const mc_virt_bcms[] = {
&bcm_acv,
&bcm_mc0,
};
@@ -2381,7 +2381,7 @@ static const struct qcom_icc_desc sa8775p_mc_virt = {
.num_bcms = ARRAY_SIZE(mc_virt_bcms),
};
-static struct qcom_icc_bcm *mmss_noc_bcms[] = {
+static struct qcom_icc_bcm * const mmss_noc_bcms[] = {
&bcm_mm0,
&bcm_mm1,
};
@@ -2413,7 +2413,7 @@ static const struct qcom_icc_desc sa8775p_mmss_noc = {
.num_bcms = ARRAY_SIZE(mmss_noc_bcms),
};
-static struct qcom_icc_bcm *nspa_noc_bcms[] = {
+static struct qcom_icc_bcm * const nspa_noc_bcms[] = {
&bcm_nsa0,
&bcm_nsa1,
};
@@ -2433,7 +2433,7 @@ static const struct qcom_icc_desc sa8775p_nspa_noc = {
.num_bcms = ARRAY_SIZE(nspa_noc_bcms),
};
-static struct qcom_icc_bcm *nspb_noc_bcms[] = {
+static struct qcom_icc_bcm * const nspb_noc_bcms[] = {
&bcm_nsb0,
&bcm_nsb1,
};
@@ -2453,7 +2453,7 @@ static const struct qcom_icc_desc sa8775p_nspb_noc = {
.num_bcms = ARRAY_SIZE(nspb_noc_bcms),
};
-static struct qcom_icc_bcm *pcie_anoc_bcms[] = {
+static struct qcom_icc_bcm * const pcie_anoc_bcms[] = {
&bcm_pci0,
};
@@ -2470,7 +2470,7 @@ static const struct qcom_icc_desc sa8775p_pcie_anoc = {
.num_bcms = ARRAY_SIZE(pcie_anoc_bcms),
};
-static struct qcom_icc_bcm *system_noc_bcms[] = {
+static struct qcom_icc_bcm * const system_noc_bcms[] = {
&bcm_sn0,
&bcm_sn1,
&bcm_sn3,
--
GitLab
From a804adfb753ef3fa87e0e1336aa6987617e5945a Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Thu, 8 Feb 2024 11:50:56 +0100
Subject: [PATCH 0357/2686] interconnect: qcom: x1e80100: constify pointer to
qcom_icc_bcm
Pointers to struct qcom_icc_bcm are const.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240208105056.128448-7-krzysztof.kozlowski@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
drivers/interconnect/qcom/x1e80100.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/interconnect/qcom/x1e80100.c b/drivers/interconnect/qcom/x1e80100.c
index 5b2de9c3a1d62..27a438d0505d0 100644
--- a/drivers/interconnect/qcom/x1e80100.c
+++ b/drivers/interconnect/qcom/x1e80100.c
@@ -1541,7 +1541,7 @@ static struct qcom_icc_bcm bcm_sn4 = {
.nodes = { &qnm_usb_anoc },
};
-static struct qcom_icc_bcm *aggre1_noc_bcms[] = {
+static struct qcom_icc_bcm * const aggre1_noc_bcms[] = {
};
static struct qcom_icc_node * const aggre1_noc_nodes[] = {
@@ -1729,7 +1729,7 @@ static const struct qcom_icc_desc x1e80100_gem_noc = {
.num_bcms = ARRAY_SIZE(gem_noc_bcms),
};
-static struct qcom_icc_bcm *lpass_ag_noc_bcms[] = {
+static struct qcom_icc_bcm * const lpass_ag_noc_bcms[] = {
};
static struct qcom_icc_node * const lpass_ag_noc_nodes[] = {
@@ -1870,7 +1870,7 @@ static const struct qcom_icc_desc x1e80100_pcie_north_anoc = {
.num_bcms = ARRAY_SIZE(pcie_north_anoc_bcms),
};
-static struct qcom_icc_bcm *pcie_south_anoc_bcms[] = {
+static struct qcom_icc_bcm * const pcie_south_anoc_bcms[] = {
};
static struct qcom_icc_node * const pcie_south_anoc_nodes[] = {
@@ -1889,7 +1889,7 @@ static const struct qcom_icc_desc x1e80100_pcie_south_anoc = {
.num_bcms = ARRAY_SIZE(pcie_south_anoc_bcms),
};
-static struct qcom_icc_bcm *system_noc_bcms[] = {
+static struct qcom_icc_bcm * const system_noc_bcms[] = {
&bcm_sn0,
&bcm_sn2,
&bcm_sn3,
@@ -1927,7 +1927,7 @@ static const struct qcom_icc_desc x1e80100_usb_center_anoc = {
.num_bcms = ARRAY_SIZE(usb_center_anoc_bcms),
};
-static struct qcom_icc_bcm *usb_north_anoc_bcms[] = {
+static struct qcom_icc_bcm * const usb_north_anoc_bcms[] = {
};
static struct qcom_icc_node * const usb_north_anoc_nodes[] = {
@@ -1943,7 +1943,7 @@ static const struct qcom_icc_desc x1e80100_usb_north_anoc = {
.num_bcms = ARRAY_SIZE(usb_north_anoc_bcms),
};
-static struct qcom_icc_bcm *usb_south_anoc_bcms[] = {
+static struct qcom_icc_bcm * const usb_south_anoc_bcms[] = {
};
static struct qcom_icc_node * const usb_south_anoc_nodes[] = {
--
GitLab
From 8a519235c3c37663e54e37a89d05a86c0a2c90c8 Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Thu, 23 Nov 2023 12:04:56 +0000
Subject: [PATCH 0358/2686] coresight: Fix uninitialized struct warnings
These warnings would be hit with the following W=1 build change so
initialize all structs properly.
Signed-off-by: James Clark <james.clark@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20231123120459.287578-2-james.clark@arm.com
---
drivers/hwtracing/coresight/coresight-cti-core.c | 2 +-
drivers/hwtracing/coresight/coresight-etb10.c | 2 +-
drivers/hwtracing/coresight/coresight-etm3x-core.c | 2 +-
drivers/hwtracing/coresight/coresight-etm4x-core.c | 2 +-
drivers/hwtracing/coresight/coresight-funnel.c | 4 ++--
drivers/hwtracing/coresight/coresight-replicator.c | 2 +-
drivers/hwtracing/coresight/coresight-stm.c | 2 +-
drivers/hwtracing/coresight/coresight-tmc-core.c | 2 +-
drivers/hwtracing/coresight/coresight-tpda.c | 2 +-
drivers/hwtracing/coresight/coresight-tpdm.c | 2 +-
drivers/hwtracing/coresight/coresight-tpiu.c | 2 +-
drivers/hwtracing/coresight/ultrasoc-smb.c | 2 +-
12 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-cti-core.c b/drivers/hwtracing/coresight/coresight-cti-core.c
index 3999d0a2cb602..e805617020d06 100644
--- a/drivers/hwtracing/coresight/coresight-cti-core.c
+++ b/drivers/hwtracing/coresight/coresight-cti-core.c
@@ -974,7 +974,7 @@ static const struct amba_id cti_ids[] = {
CS_AMBA_ID(0x000bb9aa), /* CTI - C-A73 */
CS_AMBA_UCI_ID(0x000bb9da, uci_id_cti), /* CTI - C-A35 */
CS_AMBA_UCI_ID(0x000bb9ed, uci_id_cti), /* Coresight CTI (SoC 600) */
- { 0, 0},
+ { 0, 0, NULL },
};
MODULE_DEVICE_TABLE(amba, cti_ids);
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index fa80039e0821f..05e21cffd33bd 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -837,7 +837,7 @@ static const struct amba_id etb_ids[] = {
.id = 0x000bb907,
.mask = 0x000fffff,
},
- { 0, 0},
+ { 0, 0, NULL },
};
MODULE_DEVICE_TABLE(amba, etb_ids);
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-core.c b/drivers/hwtracing/coresight/coresight-etm3x-core.c
index 116a91d90ac20..8da1622e0837a 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-core.c
@@ -1003,7 +1003,7 @@ static const struct amba_id etm_ids[] = {
CS_AMBA_ID_DATA(0x000bb95f, "PTM 1.1"),
/* PTM 1.1 Qualcomm */
CS_AMBA_ID_DATA(0x000b006f, "PTM 1.1"),
- { 0, 0},
+ { 0, 0, NULL},
};
MODULE_DEVICE_TABLE(amba, etm_ids);
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index ce1995a2827f0..c5ea808ea6623 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -2390,7 +2390,7 @@ static const struct of_device_id etm4_sysreg_match[] = {
#ifdef CONFIG_ACPI
static const struct acpi_device_id etm4x_acpi_ids[] = {
- {"ARMHC500", 0}, /* ARM CoreSight ETM4x */
+ {"ARMHC500", 0, 0, 0}, /* ARM CoreSight ETM4x */
{}
};
MODULE_DEVICE_TABLE(acpi, etm4x_acpi_ids);
diff --git a/drivers/hwtracing/coresight/coresight-funnel.c b/drivers/hwtracing/coresight/coresight-funnel.c
index a5b1fc787766a..ef1a0abfee4e9 100644
--- a/drivers/hwtracing/coresight/coresight-funnel.c
+++ b/drivers/hwtracing/coresight/coresight-funnel.c
@@ -350,7 +350,7 @@ MODULE_DEVICE_TABLE(of, static_funnel_match);
#ifdef CONFIG_ACPI
static const struct acpi_device_id static_funnel_ids[] = {
- {"ARMHC9FE", 0},
+ {"ARMHC9FE", 0, 0, 0},
{},
};
@@ -391,7 +391,7 @@ static const struct amba_id dynamic_funnel_ids[] = {
.id = 0x000bb9eb,
.mask = 0x000fffff,
},
- { 0, 0},
+ { 0, 0, NULL },
};
MODULE_DEVICE_TABLE(amba, dynamic_funnel_ids);
diff --git a/drivers/hwtracing/coresight/coresight-replicator.c b/drivers/hwtracing/coresight/coresight-replicator.c
index 91d93060dda53..73452d9dc13b2 100644
--- a/drivers/hwtracing/coresight/coresight-replicator.c
+++ b/drivers/hwtracing/coresight/coresight-replicator.c
@@ -363,7 +363,7 @@ MODULE_DEVICE_TABLE(of, static_replicator_match);
#ifdef CONFIG_ACPI
static const struct acpi_device_id static_replicator_acpi_ids[] = {
- {"ARMHC985", 0}, /* ARM CoreSight Static Replicator */
+ {"ARMHC985", 0, 0, 0}, /* ARM CoreSight Static Replicator */
{}
};
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
index a1c27c901ad17..891ee64efed87 100644
--- a/drivers/hwtracing/coresight/coresight-stm.c
+++ b/drivers/hwtracing/coresight/coresight-stm.c
@@ -950,7 +950,7 @@ static const struct dev_pm_ops stm_dev_pm_ops = {
static const struct amba_id stm_ids[] = {
CS_AMBA_ID_DATA(0x000bb962, "STM32"),
CS_AMBA_ID_DATA(0x000bb963, "STM500"),
- { 0, 0},
+ { 0, 0, NULL },
};
MODULE_DEVICE_TABLE(amba, stm_ids);
diff --git a/drivers/hwtracing/coresight/coresight-tmc-core.c b/drivers/hwtracing/coresight/coresight-tmc-core.c
index 7ec5365e2b642..39bae35d4ffd3 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-core.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-core.c
@@ -594,7 +594,7 @@ static const struct amba_id tmc_ids[] = {
CS_AMBA_ID(0x000bb9e9),
/* Coresight SoC 600 TMC-ETF */
CS_AMBA_ID(0x000bb9ea),
- { 0, 0},
+ { 0, 0, NULL },
};
MODULE_DEVICE_TABLE(amba, tmc_ids);
diff --git a/drivers/hwtracing/coresight/coresight-tpda.c b/drivers/hwtracing/coresight/coresight-tpda.c
index 5f82737c37bba..4ac954f4bc136 100644
--- a/drivers/hwtracing/coresight/coresight-tpda.c
+++ b/drivers/hwtracing/coresight/coresight-tpda.c
@@ -300,7 +300,7 @@ static struct amba_id tpda_ids[] = {
.id = 0x000f0f00,
.mask = 0x000fff00,
},
- { 0, 0},
+ { 0, 0, NULL },
};
static struct amba_driver tpda_driver = {
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c
index 97654aa4b772a..bd13a548375ca 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.c
+++ b/drivers/hwtracing/coresight/coresight-tpdm.c
@@ -933,7 +933,7 @@ static struct amba_id tpdm_ids[] = {
.id = 0x000f0e00,
.mask = 0x000fff00,
},
- { 0, 0},
+ { 0, 0, NULL },
};
static struct amba_driver tpdm_driver = {
diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtracing/coresight/coresight-tpiu.c
index 59eac93fd6bb9..7e69048ac9449 100644
--- a/drivers/hwtracing/coresight/coresight-tpiu.c
+++ b/drivers/hwtracing/coresight/coresight-tpiu.c
@@ -218,7 +218,7 @@ static const struct amba_id tpiu_ids[] = {
.id = 0x000bb9e7,
.mask = 0x000fffff,
},
- { 0, 0},
+ { 0, 0, NULL },
};
MODULE_DEVICE_TABLE(amba, tpiu_ids);
diff --git a/drivers/hwtracing/coresight/ultrasoc-smb.c b/drivers/hwtracing/coresight/ultrasoc-smb.c
index 10e886455b8b7..f0b6806202d19 100644
--- a/drivers/hwtracing/coresight/ultrasoc-smb.c
+++ b/drivers/hwtracing/coresight/ultrasoc-smb.c
@@ -586,7 +586,7 @@ static void smb_remove(struct platform_device *pdev)
#ifdef CONFIG_ACPI
static const struct acpi_device_id ultrasoc_smb_acpi_match[] = {
- {"HISI03A1", 0},
+ {"HISI03A1", 0, 0, 0},
{}
};
MODULE_DEVICE_TABLE(acpi, ultrasoc_smb_acpi_match);
--
GitLab
From 54daf07e63321d98473777527ce4853fa8eac33d Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Thu, 23 Nov 2023 12:04:57 +0000
Subject: [PATCH 0359/2686] coresight: etm3x: Fix build warning
The missing * in the comment block causes the following warning, so fix
it:
hwtracing/coresight/coresight-etm3x-core.c:118: warning: bad line:
Signed-off-by: James Clark <james.clark@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20231123120459.287578-3-james.clark@arm.com
---
drivers/hwtracing/coresight/coresight-etm3x-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-core.c b/drivers/hwtracing/coresight/coresight-etm3x-core.c
index 8da1622e0837a..74ae26911b8a8 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-core.c
@@ -115,7 +115,7 @@ static void etm_clr_pwrup(struct etm_drvdata *drvdata)
*
* Basically the same as @coresight_timeout except for the register access
* method where we have to account for CP14 configurations.
-
+ *
* Return: 0 as soon as the bit has taken the desired state or -EAGAIN if
* TIMEOUT_US has elapsed, which ever happens first.
*/
--
GitLab
From a7195f3f93836f518e07da11d0b068e71149d17e Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Thu, 23 Nov 2023 12:04:58 +0000
Subject: [PATCH 0360/2686] coresight: Fix undeclared variable warnings from
sparse checker
Including the header with the declarations fixes the following warning
with a C=1 build:
coresight-cfg-afdo.c:102:27: warning: symbol 'strobe_etm4x' was not declared. Should it be static?
coresight-cfg-afdo.c:141:26: warning: symbol 'afdo_etm4x' was not declared. Should it be static?
Signed-off-by: James Clark <james.clark@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20231123120459.287578-4-james.clark@arm.com
---
drivers/hwtracing/coresight/coresight-cfg-afdo.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/hwtracing/coresight/coresight-cfg-afdo.c b/drivers/hwtracing/coresight/coresight-cfg-afdo.c
index 84b31184252bb..e794f2e145fad 100644
--- a/drivers/hwtracing/coresight/coresight-cfg-afdo.c
+++ b/drivers/hwtracing/coresight/coresight-cfg-afdo.c
@@ -9,6 +9,7 @@
/* ETMv4 includes and features */
#if IS_ENABLED(CONFIG_CORESIGHT_SOURCE_ETM4X)
#include "coresight-etm4x-cfg.h"
+#include "coresight-cfg-preload.h"
/* preload configurations and features */
--
GitLab
From d999c7dd52790e294d78d06e6535e318275c1ea5 Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Thu, 23 Nov 2023 12:04:59 +0000
Subject: [PATCH 0361/2686] coresight: Make current W=1 warnings default
Similarly to drivers/gpu/drm/amd/amdgpu/Makefile and
fs/btrfs/Makefile, copy the current set of W=1 warnings from
Makefile.extrawarn to the coresight makefile to make them default.
Unfortunately there is no easy way to do this without copying.
In addition to the default set of warnings, add -Wno-sign-compare to
disable that warning. That's because Makefile.extrawarn does some extra
steps to disable some -Wextra warnings unless W=2 or W=3 are used.
That's the only one that's needed for Coresight, so disable it.
Signed-off-by: James Clark <james.clark@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20231123120459.287578-5-james.clark@arm.com
---
drivers/hwtracing/coresight/Makefile | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/hwtracing/coresight/Makefile b/drivers/hwtracing/coresight/Makefile
index 995d3b2c76df2..4ba478211b318 100644
--- a/drivers/hwtracing/coresight/Makefile
+++ b/drivers/hwtracing/coresight/Makefile
@@ -2,6 +2,26 @@
#
# Makefile for CoreSight drivers.
#
+
+# Current W=1 warnings
+subdir-ccflags-y += -Wextra -Wunused -Wno-unused-parameter
+subdir-ccflags-y += -Wmissing-declarations
+subdir-ccflags-y += -Wmissing-format-attribute
+subdir-ccflags-y += -Wmissing-prototypes
+subdir-ccflags-y += -Wold-style-definition
+subdir-ccflags-y += -Wmissing-include-dirs
+subdir-ccflags-y += -Wno-sign-compare
+condflags := \
+ $(call cc-option, -Wrestrict) \
+ $(call cc-option, -Wunused-but-set-variable) \
+ $(call cc-option, -Wunused-const-variable) \
+ $(call cc-option, -Wpacked-not-aligned) \
+ $(call cc-option, -Wformat-overflow) \
+ $(call cc-option, -Wformat-truncation) \
+ $(call cc-option, -Wstringop-overflow) \
+ $(call cc-option, -Wstringop-truncation)
+subdir-ccflags-y += $(condflags)
+
obj-$(CONFIG_CORESIGHT) += coresight.o
coresight-y := coresight-core.o coresight-etm-perf.o coresight-platform.o \
coresight-sysfs.o coresight-syscfg.o coresight-config.o \
--
GitLab
From dd95255d44c05c9977f962bf0f2afe5e11f8ab3e Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Fri, 5 Jan 2024 13:33:32 +0100
Subject: [PATCH 0362/2686] coresight: make coresight_bustype const
Now that the driver core can properly handle constant struct bus_type,
move the coresight_bustype variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: James Clark <james.clark@arm.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/2024010531-tinfoil-avert-4a57@gregkh
---
drivers/hwtracing/coresight/coresight-core.c | 2 +-
include/linux/coresight.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index d7f0e231feb99..5dde597403b37 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -1799,7 +1799,7 @@ char *coresight_alloc_device_name(struct coresight_dev_list *dict,
}
EXPORT_SYMBOL_GPL(coresight_alloc_device_name);
-struct bus_type coresight_bustype = {
+const struct bus_type coresight_bustype = {
.name = "coresight",
};
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index a4cb7dd6ca237..e8b6e388218cb 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -35,7 +35,7 @@
#define CORESIGHT_UNLOCK 0xc5acce55
-extern struct bus_type coresight_bustype;
+extern const struct bus_type coresight_bustype;
enum coresight_dev_type {
CORESIGHT_DEV_TYPE_SINK,
--
GitLab
From f68bbe4dcfa303164922bc331d2e8d38ed2d4f23 Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Mon, 29 Jan 2024 15:40:32 +0000
Subject: [PATCH 0363/2686] coresight: Fix issue where a source device's
helpers aren't disabled
The linked commit reverts the change that accidentally used some sysfs
enable/disable functions from Perf which broke the refcounting, but it
also removes the fact that the sysfs disable function disabled the
helpers.
Add a new wrapper function that does both which is used by both Perf and
sysfs, and label the sysfs disable function appropriately. The naming of
all of the functions will be tidied up later to avoid this happening
again.
Fixes: 287e82cf69aa ("coresight: Fix crash when Perf and sysfs modes are used concurrently")
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-2-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-core.c | 30 ++++++++++++++-----
.../hwtracing/coresight/coresight-etm-perf.c | 2 +-
drivers/hwtracing/coresight/coresight-priv.h | 2 +-
3 files changed, 25 insertions(+), 9 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index 5dde597403b37..1dd3cd46fda48 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -441,8 +441,26 @@ static void coresight_disable_helpers(struct coresight_device *csdev)
}
}
+/*
+ * Helper function to call source_ops(csdev)->disable and also disable the
+ * helpers.
+ *
+ * There is an imbalance between coresight_enable_path() and
+ * coresight_disable_path(). Enabling also enables the source's helpers as part
+ * of the path, but disabling always skips the first item in the path (which is
+ * the source), so sources and their helpers don't get disabled as part of that
+ * function and we need the extra step here.
+ */
+void coresight_disable_source(struct coresight_device *csdev, void *data)
+{
+ if (source_ops(csdev)->disable)
+ source_ops(csdev)->disable(csdev, data);
+ coresight_disable_helpers(csdev);
+}
+EXPORT_SYMBOL_GPL(coresight_disable_source);
+
/**
- * coresight_disable_source - Drop the reference count by 1 and disable
+ * coresight_disable_source_sysfs - Drop the reference count by 1 and disable
* the device if there are no users left.
*
* @csdev: The coresight device to disable
@@ -451,17 +469,15 @@ static void coresight_disable_helpers(struct coresight_device *csdev)
*
* Returns true if the device has been disabled.
*/
-bool coresight_disable_source(struct coresight_device *csdev, void *data)
+static bool coresight_disable_source_sysfs(struct coresight_device *csdev,
+ void *data)
{
if (atomic_dec_return(&csdev->refcnt) == 0) {
- if (source_ops(csdev)->disable)
- source_ops(csdev)->disable(csdev, data);
- coresight_disable_helpers(csdev);
+ coresight_disable_source(csdev, data);
csdev->enable = false;
}
return !csdev->enable;
}
-EXPORT_SYMBOL_GPL(coresight_disable_source);
/*
* coresight_disable_path_from : Disable components in the given path beyond
@@ -1204,7 +1220,7 @@ void coresight_disable(struct coresight_device *csdev)
if (ret)
goto out;
- if (!csdev->enable || !coresight_disable_source(csdev, NULL))
+ if (!csdev->enable || !coresight_disable_source_sysfs(csdev, NULL))
goto out;
switch (csdev->subtype.source_subtype) {
diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c
index a52cfcce25d6d..c0c60e6a1703e 100644
--- a/drivers/hwtracing/coresight/coresight-etm-perf.c
+++ b/drivers/hwtracing/coresight/coresight-etm-perf.c
@@ -589,7 +589,7 @@ static void etm_event_stop(struct perf_event *event, int mode)
return;
/* stop tracer */
- source_ops(csdev)->disable(csdev, event);
+ coresight_disable_source(csdev, event);
/* tell the core */
event->hw.state = PERF_HES_STOPPED;
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index 767076e079701..30c051055e54b 100644
--- a/drivers/hwtracing/coresight/coresight-priv.h
+++ b/drivers/hwtracing/coresight/coresight-priv.h
@@ -233,6 +233,6 @@ void coresight_set_percpu_sink(int cpu, struct coresight_device *csdev);
struct coresight_device *coresight_get_percpu_sink(int cpu);
int coresight_enable_source(struct coresight_device *csdev, enum cs_mode mode,
void *data);
-bool coresight_disable_source(struct coresight_device *csdev, void *data);
+void coresight_disable_source(struct coresight_device *csdev, void *data);
#endif
--
GitLab
From a0fef3f05cf36338d471e8f35a9ced88a054d583 Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Mon, 29 Jan 2024 15:40:33 +0000
Subject: [PATCH 0364/2686] coresight: Make language around "activated" sinks
consistent
Activated has the specific meaning of a sink that's selected for use by
the user via sysfs. But comments in some code that's shared by Perf use
the same word, so in those cases change them to just say "selected"
instead. With selected implying either via Perf or "activated" via
sysfs.
coresight_get_enabled_sink() doesn't actually get an enabled sink, it
only gets an activated one, so change that too.
And change the activated variable name to include "sysfs" so it can't
be confused as a general status.
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-3-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-core.c | 51 ++++++++------------
drivers/hwtracing/coresight/coresight-priv.h | 2 -
include/linux/coresight.h | 14 +++---
3 files changed, 27 insertions(+), 40 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index 1dd3cd46fda48..37e59052e8777 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -500,7 +500,7 @@ static void coresight_disable_path_from(struct list_head *path,
/*
* ETF devices are tricky... They can be a link or a sink,
* depending on how they are configured. If an ETF has been
- * "activated" it will be configured as a sink, otherwise
+ * selected as a sink it will be configured as a sink, otherwise
* go ahead with the link configuration.
*/
if (type == CORESIGHT_DEV_TYPE_LINKSINK)
@@ -578,7 +578,7 @@ int coresight_enable_path(struct list_head *path, enum cs_mode mode,
/*
* ETF devices are tricky... They can be a link or a sink,
* depending on how they are configured. If an ETF has been
- * "activated" it will be configured as a sink, otherwise
+ * selected as a sink it will be configured as a sink, otherwise
* go ahead with the link configuration.
*/
if (type == CORESIGHT_DEV_TYPE_LINKSINK)
@@ -635,15 +635,21 @@ struct coresight_device *coresight_get_sink(struct list_head *path)
return csdev;
}
+/**
+ * coresight_find_activated_sysfs_sink - returns the first sink activated via
+ * sysfs using connection based search starting from the source reference.
+ *
+ * @csdev: Coresight source device reference
+ */
static struct coresight_device *
-coresight_find_enabled_sink(struct coresight_device *csdev)
+coresight_find_activated_sysfs_sink(struct coresight_device *csdev)
{
int i;
struct coresight_device *sink = NULL;
if ((csdev->type == CORESIGHT_DEV_TYPE_SINK ||
csdev->type == CORESIGHT_DEV_TYPE_LINKSINK) &&
- csdev->activated)
+ csdev->sysfs_sink_activated)
return csdev;
/*
@@ -654,7 +660,7 @@ coresight_find_enabled_sink(struct coresight_device *csdev)
child_dev = csdev->pdata->out_conns[i]->dest_dev;
if (child_dev)
- sink = coresight_find_enabled_sink(child_dev);
+ sink = coresight_find_activated_sysfs_sink(child_dev);
if (sink)
return sink;
}
@@ -662,21 +668,6 @@ coresight_find_enabled_sink(struct coresight_device *csdev)
return NULL;
}
-/**
- * coresight_get_enabled_sink - returns the first enabled sink using
- * connection based search starting from the source reference
- *
- * @source: Coresight source device reference
- */
-struct coresight_device *
-coresight_get_enabled_sink(struct coresight_device *source)
-{
- if (!source)
- return NULL;
-
- return coresight_find_enabled_sink(source);
-}
-
static int coresight_sink_by_id(struct device *dev, const void *data)
{
struct coresight_device *csdev = to_coresight_device(dev);
@@ -810,11 +801,10 @@ static void coresight_drop_device(struct coresight_device *csdev)
* @sink: The final sink we want in this path.
* @path: The list to add devices to.
*
- * The tree of Coresight device is traversed until an activated sink is
- * found. From there the sink is added to the list along with all the
- * devices that led to that point - the end result is a list from source
- * to sink. In that list the source is the first device and the sink the
- * last one.
+ * The tree of Coresight device is traversed until @sink is found.
+ * From there the sink is added to the list along with all the devices that led
+ * to that point - the end result is a list from source to sink. In that list
+ * the source is the first device and the sink the last one.
*/
static int _coresight_build_path(struct coresight_device *csdev,
struct coresight_device *sink,
@@ -824,7 +814,7 @@ static int _coresight_build_path(struct coresight_device *csdev,
bool found = false;
struct coresight_node *node;
- /* An activated sink has been found. Enqueue the element */
+ /* The sink has been found. Enqueue the element */
if (csdev == sink)
goto out;
@@ -1145,7 +1135,7 @@ int coresight_enable(struct coresight_device *csdev)
goto out;
}
- sink = coresight_get_enabled_sink(csdev);
+ sink = coresight_find_activated_sysfs_sink(csdev);
if (!sink) {
ret = -EINVAL;
goto out;
@@ -1259,7 +1249,7 @@ static ssize_t enable_sink_show(struct device *dev,
{
struct coresight_device *csdev = to_coresight_device(dev);
- return scnprintf(buf, PAGE_SIZE, "%u\n", csdev->activated);
+ return scnprintf(buf, PAGE_SIZE, "%u\n", csdev->sysfs_sink_activated);
}
static ssize_t enable_sink_store(struct device *dev,
@@ -1274,10 +1264,7 @@ static ssize_t enable_sink_store(struct device *dev,
if (ret)
return ret;
- if (val)
- csdev->activated = true;
- else
- csdev->activated = false;
+ csdev->sysfs_sink_activated = !!val;
return size;
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index 30c051055e54b..ced5be05a527e 100644
--- a/drivers/hwtracing/coresight/coresight-priv.h
+++ b/drivers/hwtracing/coresight/coresight-priv.h
@@ -130,8 +130,6 @@ void coresight_disable_path(struct list_head *path);
int coresight_enable_path(struct list_head *path, enum cs_mode mode,
void *sink_data);
struct coresight_device *coresight_get_sink(struct list_head *path);
-struct coresight_device *
-coresight_get_enabled_sink(struct coresight_device *source);
struct coresight_device *coresight_get_sink_by_id(u32 id);
struct coresight_device *
coresight_find_default_sink(struct coresight_device *csdev);
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index e8b6e388218cb..516ab45ff3c28 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -229,10 +229,12 @@ struct coresight_sysfs_link {
* @refcnt: keep track of what is in use.
* @orphan: true if the component has connections that haven't been linked.
* @enable: 'true' if component is currently part of an active path.
- * @activated: 'true' only if a _sink_ has been activated. A sink can be
- * activated but not yet enabled. Enabling for a _sink_
- * happens when a source has been selected and a path is enabled
- * from source to that sink.
+ * @sysfs_sink_activated: 'true' when a sink has been selected for use via sysfs
+ * by writing a 1 to the 'enable_sink' file. A sink can be
+ * activated but not yet enabled. Enabling for a _sink_ happens
+ * when a source has been selected and a path is enabled from
+ * source to that sink. A sink can also become enabled but not
+ * activated if it's used via Perf.
* @ea: Device attribute for sink representation under PMU directory.
* @def_sink: cached reference to default sink found for this device.
* @nr_links: number of sysfs links created to other components from this
@@ -252,9 +254,9 @@ struct coresight_device {
struct device dev;
atomic_t refcnt;
bool orphan;
- bool enable; /* true only if configured as part of a path */
+ bool enable;
/* sink specific fields */
- bool activated; /* true only if a sink is part of a path */
+ bool sysfs_sink_activated;
struct dev_ext_attribute *ea;
struct coresight_device *def_sink;
/* sysfs links between components */
--
GitLab
From a11ebe138b8ddb119b1b75c143429f64d605a54e Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Mon, 29 Jan 2024 15:40:34 +0000
Subject: [PATCH 0365/2686] coresight: Remove ops callback checks
The check for the existence of callbacks before using them implies that
this happens and is supported. There are no devices without
enable/disable callbacks, and it wouldn't be possible to add a new
working device without adding them either, so just remove them.
Furthermore, there are more callbacks than just enable and disable that
are already used unguarded in other places.
The comment about new session compatibility doesn't seem to match up to
the line of code that it's on so remove it. I think it's alluding to the
fact that sinks will check if they were already enabled via sysfs or
Perf and fail the enable. But there are more detailed comments at those
places, and this one isn't very useful.
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-4-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-core.c | 51 +++++---------------
1 file changed, 12 insertions(+), 39 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index 37e59052e8777..5e93b52df105a 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -279,16 +279,8 @@ EXPORT_SYMBOL_GPL(coresight_add_helper);
static int coresight_enable_sink(struct coresight_device *csdev,
enum cs_mode mode, void *data)
{
- int ret;
-
- /*
- * We need to make sure the "new" session is compatible with the
- * existing "mode" of operation.
- */
- if (!sink_ops(csdev)->enable)
- return -EINVAL;
+ int ret = sink_ops(csdev)->enable(csdev, mode, data);
- ret = sink_ops(csdev)->enable(csdev, mode, data);
if (ret)
return ret;
@@ -299,12 +291,7 @@ static int coresight_enable_sink(struct coresight_device *csdev,
static void coresight_disable_sink(struct coresight_device *csdev)
{
- int ret;
-
- if (!sink_ops(csdev)->disable)
- return;
-
- ret = sink_ops(csdev)->disable(csdev);
+ int ret = sink_ops(csdev)->disable(csdev);
if (ret)
return;
csdev->enable = false;
@@ -330,11 +317,9 @@ static int coresight_enable_link(struct coresight_device *csdev,
if (link_subtype == CORESIGHT_DEV_SUBTYPE_LINK_SPLIT && IS_ERR(outconn))
return PTR_ERR(outconn);
- if (link_ops(csdev)->enable) {
- ret = link_ops(csdev)->enable(csdev, inconn, outconn);
- if (!ret)
- csdev->enable = true;
- }
+ ret = link_ops(csdev)->enable(csdev, inconn, outconn);
+ if (!ret)
+ csdev->enable = true;
return ret;
}
@@ -354,9 +339,7 @@ static void coresight_disable_link(struct coresight_device *csdev,
outconn = coresight_find_out_connection(csdev, child);
link_subtype = csdev->subtype.link_subtype;
- if (link_ops(csdev)->disable) {
- link_ops(csdev)->disable(csdev, inconn, outconn);
- }
+ link_ops(csdev)->disable(csdev, inconn, outconn);
if (link_subtype == CORESIGHT_DEV_SUBTYPE_LINK_MERG) {
for (i = 0; i < csdev->pdata->nr_inconns; i++)
@@ -382,11 +365,9 @@ int coresight_enable_source(struct coresight_device *csdev, enum cs_mode mode,
int ret;
if (!csdev->enable) {
- if (source_ops(csdev)->enable) {
- ret = source_ops(csdev)->enable(csdev, data, mode);
- if (ret)
- return ret;
- }
+ ret = source_ops(csdev)->enable(csdev, data, mode);
+ if (ret)
+ return ret;
csdev->enable = true;
}
@@ -404,11 +385,8 @@ static bool coresight_is_helper(struct coresight_device *csdev)
static int coresight_enable_helper(struct coresight_device *csdev,
enum cs_mode mode, void *data)
{
- int ret;
+ int ret = helper_ops(csdev)->enable(csdev, mode, data);
- if (!helper_ops(csdev)->enable)
- return 0;
- ret = helper_ops(csdev)->enable(csdev, mode, data);
if (ret)
return ret;
@@ -418,12 +396,8 @@ static int coresight_enable_helper(struct coresight_device *csdev,
static void coresight_disable_helper(struct coresight_device *csdev)
{
- int ret;
-
- if (!helper_ops(csdev)->disable)
- return;
+ int ret = helper_ops(csdev)->disable(csdev, NULL);
- ret = helper_ops(csdev)->disable(csdev, NULL);
if (ret)
return;
csdev->enable = false;
@@ -453,8 +427,7 @@ static void coresight_disable_helpers(struct coresight_device *csdev)
*/
void coresight_disable_source(struct coresight_device *csdev, void *data)
{
- if (source_ops(csdev)->disable)
- source_ops(csdev)->disable(csdev, data);
+ source_ops(csdev)->disable(csdev, data);
coresight_disable_helpers(csdev);
}
EXPORT_SYMBOL_GPL(coresight_disable_source);
--
GitLab
From 9cae77cf23e317f31de036ced7ad2c261317dc76 Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Mon, 29 Jan 2024 15:40:35 +0000
Subject: [PATCH 0366/2686] coresight: Move mode to struct coresight_device
Most devices use mode, so move the mode definition out of the individual
devices and up to the Coresight device. This will allow the core code to
also know the mode which will be useful in a later commit.
This also fixes the inconsistency of the documentation of the mode field
on the individual device types. For example ETB10 had "this ETB is being
used".
Two devices didn't require an atomic mode type, so these usages have
been converted to atomic_get() and atomic_set() only to make it compile,
but the documentation of the field in struct coresight_device explains
this type of usage.
In the future, manipulation of the mode could be completely moved out of
the individual devices and into the core code because it's almost all
duplicate code, and this change is a step towards that.
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-5-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-etb10.c | 18 ++++++-------
drivers/hwtracing/coresight/coresight-etm.h | 2 --
.../coresight/coresight-etm3x-core.c | 13 +++++-----
.../coresight/coresight-etm3x-sysfs.c | 4 +--
.../coresight/coresight-etm4x-core.c | 16 +++++-------
drivers/hwtracing/coresight/coresight-etm4x.h | 1 -
drivers/hwtracing/coresight/coresight-stm.c | 20 +++++++-------
.../hwtracing/coresight/coresight-tmc-core.c | 2 +-
.../hwtracing/coresight/coresight-tmc-etf.c | 26 +++++++++----------
.../hwtracing/coresight/coresight-tmc-etr.c | 20 +++++++-------
drivers/hwtracing/coresight/coresight-tmc.h | 2 --
drivers/hwtracing/coresight/ultrasoc-smb.c | 13 +++++-----
drivers/hwtracing/coresight/ultrasoc-smb.h | 2 --
include/linux/coresight.h | 6 +++++
14 files changed, 69 insertions(+), 76 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index 05e21cffd33bd..145fb815ec1cf 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -76,7 +76,6 @@ DEFINE_CORESIGHT_DEVLIST(etb_devs, "etb");
* @pid: Process ID of the process being monitored by the session
* that is using this component.
* @buf: area of memory where ETB buffer content gets sent.
- * @mode: this ETB is being used.
* @buffer_depth: size of @buf.
* @trigger_cntr: amount of words to store after a trigger.
*/
@@ -89,7 +88,6 @@ struct etb_drvdata {
local_t reading;
pid_t pid;
u8 *buf;
- u32 mode;
u32 buffer_depth;
u32 trigger_cntr;
};
@@ -150,17 +148,17 @@ static int etb_enable_sysfs(struct coresight_device *csdev)
spin_lock_irqsave(&drvdata->spinlock, flags);
/* Don't messup with perf sessions. */
- if (drvdata->mode == CS_MODE_PERF) {
+ if (local_read(&csdev->mode) == CS_MODE_PERF) {
ret = -EBUSY;
goto out;
}
- if (drvdata->mode == CS_MODE_DISABLED) {
+ if (local_read(&csdev->mode) == CS_MODE_DISABLED) {
ret = etb_enable_hw(drvdata);
if (ret)
goto out;
- drvdata->mode = CS_MODE_SYSFS;
+ local_set(&csdev->mode, CS_MODE_SYSFS);
}
atomic_inc(&csdev->refcnt);
@@ -181,7 +179,7 @@ static int etb_enable_perf(struct coresight_device *csdev, void *data)
spin_lock_irqsave(&drvdata->spinlock, flags);
/* No need to continue if the component is already in used by sysFS. */
- if (drvdata->mode == CS_MODE_SYSFS) {
+ if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS) {
ret = -EBUSY;
goto out;
}
@@ -216,7 +214,7 @@ static int etb_enable_perf(struct coresight_device *csdev, void *data)
if (!ret) {
/* Associate with monitored process. */
drvdata->pid = pid;
- drvdata->mode = CS_MODE_PERF;
+ local_set(&drvdata->csdev->mode, CS_MODE_PERF);
atomic_inc(&csdev->refcnt);
}
@@ -362,11 +360,11 @@ static int etb_disable(struct coresight_device *csdev)
}
/* Complain if we (somehow) got out of sync */
- WARN_ON_ONCE(drvdata->mode == CS_MODE_DISABLED);
+ WARN_ON_ONCE(local_read(&csdev->mode) == CS_MODE_DISABLED);
etb_disable_hw(drvdata);
/* Dissociate from monitored process. */
drvdata->pid = -1;
- drvdata->mode = CS_MODE_DISABLED;
+ local_set(&csdev->mode, CS_MODE_DISABLED);
spin_unlock_irqrestore(&drvdata->spinlock, flags);
dev_dbg(&csdev->dev, "ETB disabled\n");
@@ -589,7 +587,7 @@ static void etb_dump(struct etb_drvdata *drvdata)
unsigned long flags;
spin_lock_irqsave(&drvdata->spinlock, flags);
- if (drvdata->mode == CS_MODE_SYSFS) {
+ if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS) {
__etb_disable_hw(drvdata);
etb_dump_hw(drvdata);
__etb_enable_hw(drvdata);
diff --git a/drivers/hwtracing/coresight/coresight-etm.h b/drivers/hwtracing/coresight/coresight-etm.h
index 9a0d08b092ae7..e02c3ea972c92 100644
--- a/drivers/hwtracing/coresight/coresight-etm.h
+++ b/drivers/hwtracing/coresight/coresight-etm.h
@@ -215,7 +215,6 @@ struct etm_config {
* @port_size: port size as reported by ETMCR bit 4-6 and 21.
* @arch: ETM/PTM version number.
* @use_cpu14: true if management registers need to be accessed via CP14.
- * @mode: this tracer's mode, i.e sysFS, Perf or disabled.
* @sticky_enable: true if ETM base configuration has been done.
* @boot_enable:true if we should start tracing at boot time.
* @os_unlock: true if access to management registers is allowed.
@@ -238,7 +237,6 @@ struct etm_drvdata {
int port_size;
u8 arch;
bool use_cp14;
- local_t mode;
bool sticky_enable;
bool boot_enable;
bool os_unlock;
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-core.c b/drivers/hwtracing/coresight/coresight-etm3x-core.c
index 74ae26911b8a8..333d0a32c95c8 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-core.c
@@ -559,7 +559,7 @@ static int etm_enable(struct coresight_device *csdev, struct perf_event *event,
u32 val;
struct etm_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
- val = local_cmpxchg(&drvdata->mode, CS_MODE_DISABLED, mode);
+ val = local_cmpxchg(&drvdata->csdev->mode, CS_MODE_DISABLED, mode);
/* Someone is already using the tracer */
if (val)
@@ -578,7 +578,7 @@ static int etm_enable(struct coresight_device *csdev, struct perf_event *event,
/* The tracer didn't start */
if (ret)
- local_set(&drvdata->mode, CS_MODE_DISABLED);
+ local_set(&drvdata->csdev->mode, CS_MODE_DISABLED);
return ret;
}
@@ -672,14 +672,13 @@ static void etm_disable(struct coresight_device *csdev,
struct perf_event *event)
{
enum cs_mode mode;
- struct etm_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
/*
* For as long as the tracer isn't disabled another entity can't
* change its status. As such we can read the status here without
* fearing it will change under us.
*/
- mode = local_read(&drvdata->mode);
+ mode = local_read(&csdev->mode);
switch (mode) {
case CS_MODE_DISABLED:
@@ -696,7 +695,7 @@ static void etm_disable(struct coresight_device *csdev,
}
if (mode)
- local_set(&drvdata->mode, CS_MODE_DISABLED);
+ local_set(&csdev->mode, CS_MODE_DISABLED);
}
static const struct coresight_ops_source etm_source_ops = {
@@ -730,7 +729,7 @@ static int etm_starting_cpu(unsigned int cpu)
etmdrvdata[cpu]->os_unlock = true;
}
- if (local_read(&etmdrvdata[cpu]->mode))
+ if (local_read(&etmdrvdata[cpu]->csdev->mode))
etm_enable_hw(etmdrvdata[cpu]);
spin_unlock(&etmdrvdata[cpu]->spinlock);
return 0;
@@ -742,7 +741,7 @@ static int etm_dying_cpu(unsigned int cpu)
return 0;
spin_lock(&etmdrvdata[cpu]->spinlock);
- if (local_read(&etmdrvdata[cpu]->mode))
+ if (local_read(&etmdrvdata[cpu]->csdev->mode))
etm_disable_hw(etmdrvdata[cpu]);
spin_unlock(&etmdrvdata[cpu]->spinlock);
return 0;
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
index 2f271b7fb048c..6c8429c980b14 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
@@ -722,7 +722,7 @@ static ssize_t cntr_val_show(struct device *dev,
struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent);
struct etm_config *config = &drvdata->config;
- if (!local_read(&drvdata->mode)) {
+ if (!local_read(&drvdata->csdev->mode)) {
spin_lock(&drvdata->spinlock);
for (i = 0; i < drvdata->nr_cntr; i++)
ret += sprintf(buf, "counter %d: %x\n",
@@ -941,7 +941,7 @@ static ssize_t seq_curr_state_show(struct device *dev,
struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent);
struct etm_config *config = &drvdata->config;
- if (!local_read(&drvdata->mode)) {
+ if (!local_read(&drvdata->csdev->mode)) {
val = config->seq_curr_state;
goto out;
}
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index c5ea808ea6623..7ceff627cd958 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -841,9 +841,8 @@ static int etm4_enable(struct coresight_device *csdev, struct perf_event *event,
{
int ret;
u32 val;
- struct etmv4_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
- val = local_cmpxchg(&drvdata->mode, CS_MODE_DISABLED, mode);
+ val = local_cmpxchg(&csdev->mode, CS_MODE_DISABLED, mode);
/* Someone is already using the tracer */
if (val)
@@ -862,7 +861,7 @@ static int etm4_enable(struct coresight_device *csdev, struct perf_event *event,
/* The tracer didn't start */
if (ret)
- local_set(&drvdata->mode, CS_MODE_DISABLED);
+ local_set(&csdev->mode, CS_MODE_DISABLED);
return ret;
}
@@ -1004,14 +1003,13 @@ static void etm4_disable(struct coresight_device *csdev,
struct perf_event *event)
{
enum cs_mode mode;
- struct etmv4_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
/*
* For as long as the tracer isn't disabled another entity can't
* change its status. As such we can read the status here without
* fearing it will change under us.
*/
- mode = local_read(&drvdata->mode);
+ mode = local_read(&csdev->mode);
switch (mode) {
case CS_MODE_DISABLED:
@@ -1025,7 +1023,7 @@ static void etm4_disable(struct coresight_device *csdev,
}
if (mode)
- local_set(&drvdata->mode, CS_MODE_DISABLED);
+ local_set(&csdev->mode, CS_MODE_DISABLED);
}
static const struct coresight_ops_source etm4_source_ops = {
@@ -1663,7 +1661,7 @@ static int etm4_starting_cpu(unsigned int cpu)
if (!etmdrvdata[cpu]->os_unlock)
etm4_os_unlock(etmdrvdata[cpu]);
- if (local_read(&etmdrvdata[cpu]->mode))
+ if (local_read(&etmdrvdata[cpu]->csdev->mode))
etm4_enable_hw(etmdrvdata[cpu]);
spin_unlock(&etmdrvdata[cpu]->spinlock);
return 0;
@@ -1675,7 +1673,7 @@ static int etm4_dying_cpu(unsigned int cpu)
return 0;
spin_lock(&etmdrvdata[cpu]->spinlock);
- if (local_read(&etmdrvdata[cpu]->mode))
+ if (local_read(&etmdrvdata[cpu]->csdev->mode))
etm4_disable_hw(etmdrvdata[cpu]);
spin_unlock(&etmdrvdata[cpu]->spinlock);
return 0;
@@ -1833,7 +1831,7 @@ static int etm4_cpu_save(struct etmv4_drvdata *drvdata)
* Save and restore the ETM Trace registers only if
* the ETM is active.
*/
- if (local_read(&drvdata->mode) && drvdata->save_state)
+ if (local_read(&drvdata->csdev->mode) && drvdata->save_state)
ret = __etm4_cpu_save(drvdata);
return ret;
}
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h
index da17b6c49b0f1..9ea678bc2e8e5 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.h
+++ b/drivers/hwtracing/coresight/coresight-etm4x.h
@@ -1016,7 +1016,6 @@ struct etmv4_drvdata {
void __iomem *base;
struct coresight_device *csdev;
spinlock_t spinlock;
- local_t mode;
int cpu;
u8 arch;
u8 nr_pe;
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
index 891ee64efed87..f7fc645ea7a48 100644
--- a/drivers/hwtracing/coresight/coresight-stm.c
+++ b/drivers/hwtracing/coresight/coresight-stm.c
@@ -119,7 +119,6 @@ DEFINE_CORESIGHT_DEVLIST(stm_devs, "stm");
* @spinlock: only one at a time pls.
* @chs: the channels accociated to this STM.
* @stm: structure associated to the generic STM interface.
- * @mode: this tracer's mode (enum cs_mode), i.e sysFS, or disabled.
* @traceid: value of the current ID for this component.
* @write_bytes: Maximus bytes this STM can write at a time.
* @stmsper: settings for register STMSPER.
@@ -136,7 +135,6 @@ struct stm_drvdata {
spinlock_t spinlock;
struct channel_space chs;
struct stm_data stm;
- local_t mode;
u8 traceid;
u32 write_bytes;
u32 stmsper;
@@ -201,7 +199,7 @@ static int stm_enable(struct coresight_device *csdev, struct perf_event *event,
if (mode != CS_MODE_SYSFS)
return -EINVAL;
- val = local_cmpxchg(&drvdata->mode, CS_MODE_DISABLED, mode);
+ val = local_cmpxchg(&csdev->mode, CS_MODE_DISABLED, mode);
/* Someone is already using the tracer */
if (val)
@@ -266,7 +264,7 @@ static void stm_disable(struct coresight_device *csdev,
* change its status. As such we can read the status here without
* fearing it will change under us.
*/
- if (local_read(&drvdata->mode) == CS_MODE_SYSFS) {
+ if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
spin_lock(&drvdata->spinlock);
stm_disable_hw(drvdata);
spin_unlock(&drvdata->spinlock);
@@ -276,7 +274,7 @@ static void stm_disable(struct coresight_device *csdev,
pm_runtime_put(csdev->dev.parent);
- local_set(&drvdata->mode, CS_MODE_DISABLED);
+ local_set(&csdev->mode, CS_MODE_DISABLED);
dev_dbg(&csdev->dev, "STM tracing disabled\n");
}
}
@@ -373,7 +371,7 @@ static long stm_generic_set_options(struct stm_data *stm_data,
{
struct stm_drvdata *drvdata = container_of(stm_data,
struct stm_drvdata, stm);
- if (!(drvdata && local_read(&drvdata->mode)))
+ if (!(drvdata && local_read(&drvdata->csdev->mode)))
return -EINVAL;
if (channel >= drvdata->numsp)
@@ -408,7 +406,7 @@ static ssize_t notrace stm_generic_packet(struct stm_data *stm_data,
struct stm_drvdata, stm);
unsigned int stm_flags;
- if (!(drvdata && local_read(&drvdata->mode)))
+ if (!(drvdata && local_read(&drvdata->csdev->mode)))
return -EACCES;
if (channel >= drvdata->numsp)
@@ -515,7 +513,7 @@ static ssize_t port_select_show(struct device *dev,
struct stm_drvdata *drvdata = dev_get_drvdata(dev->parent);
unsigned long val;
- if (!local_read(&drvdata->mode)) {
+ if (!local_read(&drvdata->csdev->mode)) {
val = drvdata->stmspscr;
} else {
spin_lock(&drvdata->spinlock);
@@ -541,7 +539,7 @@ static ssize_t port_select_store(struct device *dev,
spin_lock(&drvdata->spinlock);
drvdata->stmspscr = val;
- if (local_read(&drvdata->mode)) {
+ if (local_read(&drvdata->csdev->mode)) {
CS_UNLOCK(drvdata->base);
/* Process as per ARM's TRM recommendation */
stmsper = readl_relaxed(drvdata->base + STMSPER);
@@ -562,7 +560,7 @@ static ssize_t port_enable_show(struct device *dev,
struct stm_drvdata *drvdata = dev_get_drvdata(dev->parent);
unsigned long val;
- if (!local_read(&drvdata->mode)) {
+ if (!local_read(&drvdata->csdev->mode)) {
val = drvdata->stmsper;
} else {
spin_lock(&drvdata->spinlock);
@@ -588,7 +586,7 @@ static ssize_t port_enable_store(struct device *dev,
spin_lock(&drvdata->spinlock);
drvdata->stmsper = val;
- if (local_read(&drvdata->mode)) {
+ if (local_read(&drvdata->csdev->mode)) {
CS_UNLOCK(drvdata->base);
writel_relaxed(drvdata->stmsper, drvdata->base + STMSPER);
CS_LOCK(drvdata->base);
diff --git a/drivers/hwtracing/coresight/coresight-tmc-core.c b/drivers/hwtracing/coresight/coresight-tmc-core.c
index 39bae35d4ffd3..e8b2bbed047f1 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-core.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-core.c
@@ -558,7 +558,7 @@ static void tmc_shutdown(struct amba_device *adev)
spin_lock_irqsave(&drvdata->spinlock, flags);
- if (drvdata->mode == CS_MODE_DISABLED)
+ if (local_read(&drvdata->csdev->mode) == CS_MODE_DISABLED)
goto out;
if (drvdata->config_type == TMC_CONFIG_TYPE_ETR)
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c
index 7406b65e2cdda..2a7e516052a29 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etf.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c
@@ -89,7 +89,7 @@ static void __tmc_etb_disable_hw(struct tmc_drvdata *drvdata)
* When operating in sysFS mode the content of the buffer needs to be
* read before the TMC is disabled.
*/
- if (drvdata->mode == CS_MODE_SYSFS)
+ if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS)
tmc_etb_dump_hw(drvdata);
tmc_disable_hw(drvdata);
@@ -205,7 +205,7 @@ static int tmc_enable_etf_sink_sysfs(struct coresight_device *csdev)
* sink is already enabled no memory is needed and the HW need not be
* touched.
*/
- if (drvdata->mode == CS_MODE_SYSFS) {
+ if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
atomic_inc(&csdev->refcnt);
goto out;
}
@@ -228,7 +228,7 @@ static int tmc_enable_etf_sink_sysfs(struct coresight_device *csdev)
ret = tmc_etb_enable_hw(drvdata);
if (!ret) {
- drvdata->mode = CS_MODE_SYSFS;
+ local_set(&csdev->mode, CS_MODE_SYSFS);
atomic_inc(&csdev->refcnt);
} else {
/* Free up the buffer if we failed to enable */
@@ -262,7 +262,7 @@ static int tmc_enable_etf_sink_perf(struct coresight_device *csdev, void *data)
* No need to continue if the ETB/ETF is already operated
* from sysFS.
*/
- if (drvdata->mode == CS_MODE_SYSFS) {
+ if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
ret = -EBUSY;
break;
}
@@ -292,7 +292,7 @@ static int tmc_enable_etf_sink_perf(struct coresight_device *csdev, void *data)
if (!ret) {
/* Associate with monitored process. */
drvdata->pid = pid;
- drvdata->mode = CS_MODE_PERF;
+ local_set(&csdev->mode, CS_MODE_PERF);
atomic_inc(&csdev->refcnt);
}
} while (0);
@@ -344,11 +344,11 @@ static int tmc_disable_etf_sink(struct coresight_device *csdev)
}
/* Complain if we (somehow) got out of sync */
- WARN_ON_ONCE(drvdata->mode == CS_MODE_DISABLED);
+ WARN_ON_ONCE(local_read(&csdev->mode) == CS_MODE_DISABLED);
tmc_etb_disable_hw(drvdata);
/* Dissociate from monitored process. */
drvdata->pid = -1;
- drvdata->mode = CS_MODE_DISABLED;
+ local_set(&csdev->mode, CS_MODE_DISABLED);
spin_unlock_irqrestore(&drvdata->spinlock, flags);
@@ -374,7 +374,7 @@ static int tmc_enable_etf_link(struct coresight_device *csdev,
if (atomic_read(&csdev->refcnt) == 0) {
ret = tmc_etf_enable_hw(drvdata);
if (!ret) {
- drvdata->mode = CS_MODE_SYSFS;
+ local_set(&csdev->mode, CS_MODE_SYSFS);
first_enable = true;
}
}
@@ -403,7 +403,7 @@ static void tmc_disable_etf_link(struct coresight_device *csdev,
if (atomic_dec_return(&csdev->refcnt) == 0) {
tmc_etf_disable_hw(drvdata);
- drvdata->mode = CS_MODE_DISABLED;
+ local_set(&csdev->mode, CS_MODE_DISABLED);
last_disable = true;
}
spin_unlock_irqrestore(&drvdata->spinlock, flags);
@@ -483,7 +483,7 @@ static unsigned long tmc_update_etf_buffer(struct coresight_device *csdev,
return 0;
/* This shouldn't happen */
- if (WARN_ON_ONCE(drvdata->mode != CS_MODE_PERF))
+ if (WARN_ON_ONCE(local_read(&csdev->mode) != CS_MODE_PERF))
return 0;
spin_lock_irqsave(&drvdata->spinlock, flags);
@@ -629,7 +629,7 @@ int tmc_read_prepare_etb(struct tmc_drvdata *drvdata)
}
/* Don't interfere if operated from Perf */
- if (drvdata->mode == CS_MODE_PERF) {
+ if (local_read(&drvdata->csdev->mode) == CS_MODE_PERF) {
ret = -EINVAL;
goto out;
}
@@ -641,7 +641,7 @@ int tmc_read_prepare_etb(struct tmc_drvdata *drvdata)
}
/* Disable the TMC if need be */
- if (drvdata->mode == CS_MODE_SYSFS) {
+ if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS) {
/* There is no point in reading a TMC in HW FIFO mode */
mode = readl_relaxed(drvdata->base + TMC_MODE);
if (mode != TMC_MODE_CIRCULAR_BUFFER) {
@@ -673,7 +673,7 @@ int tmc_read_unprepare_etb(struct tmc_drvdata *drvdata)
spin_lock_irqsave(&drvdata->spinlock, flags);
/* Re-enable the TMC if need be */
- if (drvdata->mode == CS_MODE_SYSFS) {
+ if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS) {
/* There is no point in reading a TMC in HW FIFO mode */
mode = readl_relaxed(drvdata->base + TMC_MODE);
if (mode != TMC_MODE_CIRCULAR_BUFFER) {
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c
index af02ba5d5f15d..3dc989d4fcabc 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etr.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c
@@ -1143,7 +1143,7 @@ static void __tmc_etr_disable_hw(struct tmc_drvdata *drvdata)
* When operating in sysFS mode the content of the buffer needs to be
* read before the TMC is disabled.
*/
- if (drvdata->mode == CS_MODE_SYSFS)
+ if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS)
tmc_etr_sync_sysfs_buf(drvdata);
tmc_disable_hw(drvdata);
@@ -1189,7 +1189,7 @@ static struct etr_buf *tmc_etr_get_sysfs_buffer(struct coresight_device *csdev)
spin_lock_irqsave(&drvdata->spinlock, flags);
}
- if (drvdata->reading || drvdata->mode == CS_MODE_PERF) {
+ if (drvdata->reading || local_read(&csdev->mode) == CS_MODE_PERF) {
ret = -EBUSY;
goto out;
}
@@ -1230,14 +1230,14 @@ static int tmc_enable_etr_sink_sysfs(struct coresight_device *csdev)
* sink is already enabled no memory is needed and the HW need not be
* touched, even if the buffer size has changed.
*/
- if (drvdata->mode == CS_MODE_SYSFS) {
+ if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
atomic_inc(&csdev->refcnt);
goto out;
}
ret = tmc_etr_enable_hw(drvdata, sysfs_buf);
if (!ret) {
- drvdata->mode = CS_MODE_SYSFS;
+ local_set(&csdev->mode, CS_MODE_SYSFS);
atomic_inc(&csdev->refcnt);
}
@@ -1652,7 +1652,7 @@ static int tmc_enable_etr_sink_perf(struct coresight_device *csdev, void *data)
spin_lock_irqsave(&drvdata->spinlock, flags);
/* Don't use this sink if it is already claimed by sysFS */
- if (drvdata->mode == CS_MODE_SYSFS) {
+ if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
rc = -EBUSY;
goto unlock_out;
}
@@ -1684,7 +1684,7 @@ static int tmc_enable_etr_sink_perf(struct coresight_device *csdev, void *data)
if (!rc) {
/* Associate with monitored process. */
drvdata->pid = pid;
- drvdata->mode = CS_MODE_PERF;
+ local_set(&csdev->mode, CS_MODE_PERF);
drvdata->perf_buf = etr_perf->etr_buf;
atomic_inc(&csdev->refcnt);
}
@@ -1725,11 +1725,11 @@ static int tmc_disable_etr_sink(struct coresight_device *csdev)
}
/* Complain if we (somehow) got out of sync */
- WARN_ON_ONCE(drvdata->mode == CS_MODE_DISABLED);
+ WARN_ON_ONCE(local_read(&csdev->mode) == CS_MODE_DISABLED);
tmc_etr_disable_hw(drvdata);
/* Dissociate from monitored process. */
drvdata->pid = -1;
- drvdata->mode = CS_MODE_DISABLED;
+ local_set(&csdev->mode, CS_MODE_DISABLED);
/* Reset perf specific data */
drvdata->perf_buf = NULL;
@@ -1777,7 +1777,7 @@ int tmc_read_prepare_etr(struct tmc_drvdata *drvdata)
}
/* Disable the TMC if we are trying to read from a running session. */
- if (drvdata->mode == CS_MODE_SYSFS)
+ if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS)
__tmc_etr_disable_hw(drvdata);
drvdata->reading = true;
@@ -1799,7 +1799,7 @@ int tmc_read_unprepare_etr(struct tmc_drvdata *drvdata)
spin_lock_irqsave(&drvdata->spinlock, flags);
/* RE-enable the TMC if need be */
- if (drvdata->mode == CS_MODE_SYSFS) {
+ if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS) {
/*
* The trace run will continue with the same allocated trace
* buffer. Since the tracer is still enabled drvdata::buf can't
diff --git a/drivers/hwtracing/coresight/coresight-tmc.h b/drivers/hwtracing/coresight/coresight-tmc.h
index 8dcb426ac3e7a..cef979c897e62 100644
--- a/drivers/hwtracing/coresight/coresight-tmc.h
+++ b/drivers/hwtracing/coresight/coresight-tmc.h
@@ -178,7 +178,6 @@ struct etr_buf {
* @size: trace buffer size for this TMC (common for all modes).
* @max_burst_size: The maximum burst size that can be initiated by
* TMC-ETR on AXI bus.
- * @mode: how this TMC is being used.
* @config_type: TMC variant, must be of type @tmc_config_type.
* @memwidth: width of the memory interface databus, in bytes.
* @trigger_cntr: amount of words to store after a trigger.
@@ -203,7 +202,6 @@ struct tmc_drvdata {
u32 len;
u32 size;
u32 max_burst_size;
- u32 mode;
enum tmc_config_type config_type;
enum tmc_mem_intf_width memwidth;
u32 trigger_cntr;
diff --git a/drivers/hwtracing/coresight/ultrasoc-smb.c b/drivers/hwtracing/coresight/ultrasoc-smb.c
index f0b6806202d19..bef633960173e 100644
--- a/drivers/hwtracing/coresight/ultrasoc-smb.c
+++ b/drivers/hwtracing/coresight/ultrasoc-smb.c
@@ -207,11 +207,11 @@ static void smb_enable_sysfs(struct coresight_device *csdev)
{
struct smb_drv_data *drvdata = dev_get_drvdata(csdev->dev.parent);
- if (drvdata->mode != CS_MODE_DISABLED)
+ if (local_read(&csdev->mode) != CS_MODE_DISABLED)
return;
smb_enable_hw(drvdata);
- drvdata->mode = CS_MODE_SYSFS;
+ local_set(&csdev->mode, CS_MODE_SYSFS);
}
static int smb_enable_perf(struct coresight_device *csdev, void *data)
@@ -234,7 +234,7 @@ static int smb_enable_perf(struct coresight_device *csdev, void *data)
if (drvdata->pid == -1) {
smb_enable_hw(drvdata);
drvdata->pid = pid;
- drvdata->mode = CS_MODE_PERF;
+ local_set(&csdev->mode, CS_MODE_PERF);
}
return 0;
@@ -253,7 +253,8 @@ static int smb_enable(struct coresight_device *csdev, enum cs_mode mode,
return -EBUSY;
/* Do nothing, the SMB is already enabled as other mode */
- if (drvdata->mode != CS_MODE_DISABLED && drvdata->mode != mode)
+ if (local_read(&csdev->mode) != CS_MODE_DISABLED &&
+ local_read(&csdev->mode) != mode)
return -EBUSY;
switch (mode) {
@@ -289,13 +290,13 @@ static int smb_disable(struct coresight_device *csdev)
return -EBUSY;
/* Complain if we (somehow) got out of sync */
- WARN_ON_ONCE(drvdata->mode == CS_MODE_DISABLED);
+ WARN_ON_ONCE(local_read(&csdev->mode) == CS_MODE_DISABLED);
smb_disable_hw(drvdata);
/* Dissociate from the target process. */
drvdata->pid = -1;
- drvdata->mode = CS_MODE_DISABLED;
+ local_set(&csdev->mode, CS_MODE_DISABLED);
dev_dbg(&csdev->dev, "Ultrasoc SMB disabled\n");
return 0;
diff --git a/drivers/hwtracing/coresight/ultrasoc-smb.h b/drivers/hwtracing/coresight/ultrasoc-smb.h
index 82a44c14a8829..a91d39cfccb8f 100644
--- a/drivers/hwtracing/coresight/ultrasoc-smb.h
+++ b/drivers/hwtracing/coresight/ultrasoc-smb.h
@@ -109,7 +109,6 @@ struct smb_data_buffer {
* @reading: Synchronise user space access to SMB buffer.
* @pid: Process ID of the process being monitored by the
* session that is using this component.
- * @mode: How this SMB is being used, perf mode or sysfs mode.
*/
struct smb_drv_data {
void __iomem *base;
@@ -119,7 +118,6 @@ struct smb_drv_data {
spinlock_t spinlock;
bool reading;
pid_t pid;
- enum cs_mode mode;
};
#endif
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 516ab45ff3c28..01f67862ea2f1 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -226,6 +226,11 @@ struct coresight_sysfs_link {
* by @coresight_ops.
* @access: Device i/o access abstraction for this device.
* @dev: The device entity associated to this component.
+ * @mode: This tracer's mode, i.e sysFS, Perf or disabled. This is
+ * actually an 'enum cs_mode', but is stored in an atomic type.
+ * This is always accessed through local_read() and local_set(),
+ * but wherever it's done from within the Coresight device's lock,
+ * a non-atomic read would also work.
* @refcnt: keep track of what is in use.
* @orphan: true if the component has connections that haven't been linked.
* @enable: 'true' if component is currently part of an active path.
@@ -252,6 +257,7 @@ struct coresight_device {
const struct coresight_ops *ops;
struct csdev_access access;
struct device dev;
+ local_t mode;
atomic_t refcnt;
bool orphan;
bool enable;
--
GitLab
From d5e83f97eb5669bfdd894ec980083f65517df2fb Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Mon, 29 Jan 2024 15:40:36 +0000
Subject: [PATCH 0367/2686] coresight: Remove the 'enable' field.
'enable', which probably should have been 'enabled', is only ever read
in the core code in relation to controlling sources, and specifically
only sources in sysfs mode. Confusingly it's not labelled as such and
relying on it can be a source of bugs like the one fixed by
commit 078dbba3f0c9 ("coresight: Fix crash when Perf and sysfs modes are
used concurrently").
Most importantly, it can only be used when the coresight_mutex is held
which is only done when enabling and disabling paths in sysfs mode, and
not Perf mode. So to prevent its usage spreading and leaking out to
other devices, remove it.
It's use is equivalent to checking if the mode is currently sysfs, as
due to the coresight_mutex lock, mode == CS_MODE_SYSFS can only become
true or untrue when that lock is held, and when mode == CS_MODE_SYSFS
the device is both enabled and in sysfs mode.
The one place it was used outside of the core code is in TPDA, but that
pattern is more appropriately represented using refcounts inside the
device's own spinlock.
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-6-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-core.c | 86 +++++++-------------
drivers/hwtracing/coresight/coresight-tpda.c | 12 ++-
include/linux/coresight.h | 2 -
3 files changed, 38 insertions(+), 62 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index 5e93b52df105a..b8d6520d47c94 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -279,29 +279,18 @@ EXPORT_SYMBOL_GPL(coresight_add_helper);
static int coresight_enable_sink(struct coresight_device *csdev,
enum cs_mode mode, void *data)
{
- int ret = sink_ops(csdev)->enable(csdev, mode, data);
-
- if (ret)
- return ret;
-
- csdev->enable = true;
-
- return 0;
+ return sink_ops(csdev)->enable(csdev, mode, data);
}
static void coresight_disable_sink(struct coresight_device *csdev)
{
- int ret = sink_ops(csdev)->disable(csdev);
- if (ret)
- return;
- csdev->enable = false;
+ sink_ops(csdev)->disable(csdev);
}
static int coresight_enable_link(struct coresight_device *csdev,
struct coresight_device *parent,
struct coresight_device *child)
{
- int ret = 0;
int link_subtype;
struct coresight_connection *inconn, *outconn;
@@ -317,19 +306,13 @@ static int coresight_enable_link(struct coresight_device *csdev,
if (link_subtype == CORESIGHT_DEV_SUBTYPE_LINK_SPLIT && IS_ERR(outconn))
return PTR_ERR(outconn);
- ret = link_ops(csdev)->enable(csdev, inconn, outconn);
- if (!ret)
- csdev->enable = true;
-
- return ret;
+ return link_ops(csdev)->enable(csdev, inconn, outconn);
}
static void coresight_disable_link(struct coresight_device *csdev,
struct coresight_device *parent,
struct coresight_device *child)
{
- int i;
- int link_subtype;
struct coresight_connection *inconn, *outconn;
if (!parent || !child)
@@ -337,26 +320,8 @@ static void coresight_disable_link(struct coresight_device *csdev,
inconn = coresight_find_out_connection(parent, csdev);
outconn = coresight_find_out_connection(csdev, child);
- link_subtype = csdev->subtype.link_subtype;
link_ops(csdev)->disable(csdev, inconn, outconn);
-
- if (link_subtype == CORESIGHT_DEV_SUBTYPE_LINK_MERG) {
- for (i = 0; i < csdev->pdata->nr_inconns; i++)
- if (atomic_read(&csdev->pdata->in_conns[i]->dest_refcnt) !=
- 0)
- return;
- } else if (link_subtype == CORESIGHT_DEV_SUBTYPE_LINK_SPLIT) {
- for (i = 0; i < csdev->pdata->nr_outconns; i++)
- if (atomic_read(&csdev->pdata->out_conns[i]->src_refcnt) !=
- 0)
- return;
- } else {
- if (atomic_read(&csdev->refcnt) != 0)
- return;
- }
-
- csdev->enable = false;
}
int coresight_enable_source(struct coresight_device *csdev, enum cs_mode mode,
@@ -364,11 +329,16 @@ int coresight_enable_source(struct coresight_device *csdev, enum cs_mode mode,
{
int ret;
- if (!csdev->enable) {
+ /*
+ * Comparison with CS_MODE_SYSFS works without taking any device
+ * specific spinlock because the truthyness of that comparison can only
+ * change with coresight_mutex held, which we already have here.
+ */
+ lockdep_assert_held(&coresight_mutex);
+ if (local_read(&csdev->mode) != CS_MODE_SYSFS) {
ret = source_ops(csdev)->enable(csdev, data, mode);
if (ret)
return ret;
- csdev->enable = true;
}
atomic_inc(&csdev->refcnt);
@@ -385,22 +355,12 @@ static bool coresight_is_helper(struct coresight_device *csdev)
static int coresight_enable_helper(struct coresight_device *csdev,
enum cs_mode mode, void *data)
{
- int ret = helper_ops(csdev)->enable(csdev, mode, data);
-
- if (ret)
- return ret;
-
- csdev->enable = true;
- return 0;
+ return helper_ops(csdev)->enable(csdev, mode, data);
}
static void coresight_disable_helper(struct coresight_device *csdev)
{
- int ret = helper_ops(csdev)->disable(csdev, NULL);
-
- if (ret)
- return;
- csdev->enable = false;
+ helper_ops(csdev)->disable(csdev, NULL);
}
static void coresight_disable_helpers(struct coresight_device *csdev)
@@ -445,11 +405,15 @@ EXPORT_SYMBOL_GPL(coresight_disable_source);
static bool coresight_disable_source_sysfs(struct coresight_device *csdev,
void *data)
{
+ lockdep_assert_held(&coresight_mutex);
+ if (local_read(&csdev->mode) != CS_MODE_SYSFS)
+ return false;
+
if (atomic_dec_return(&csdev->refcnt) == 0) {
coresight_disable_source(csdev, data);
- csdev->enable = false;
+ return true;
}
- return !csdev->enable;
+ return false;
}
/*
@@ -1097,7 +1061,13 @@ int coresight_enable(struct coresight_device *csdev)
if (ret)
goto out;
- if (csdev->enable) {
+ /*
+ * mode == SYSFS implies that it's already enabled. Don't look at the
+ * refcount to determine this because we don't claim the source until
+ * coresight_enable_source() so can still race with Perf mode which
+ * doesn't hold coresight_mutex.
+ */
+ if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
/*
* There could be multiple applications driving the software
* source. So keep the refcount for each such user when the
@@ -1183,7 +1153,7 @@ void coresight_disable(struct coresight_device *csdev)
if (ret)
goto out;
- if (!csdev->enable || !coresight_disable_source_sysfs(csdev, NULL))
+ if (!coresight_disable_source_sysfs(csdev, NULL))
goto out;
switch (csdev->subtype.source_subtype) {
@@ -1249,7 +1219,9 @@ static ssize_t enable_source_show(struct device *dev,
{
struct coresight_device *csdev = to_coresight_device(dev);
- return scnprintf(buf, PAGE_SIZE, "%u\n", csdev->enable);
+ guard(mutex)(&coresight_mutex);
+ return scnprintf(buf, PAGE_SIZE, "%u\n",
+ local_read(&csdev->mode) == CS_MODE_SYSFS);
}
static ssize_t enable_source_store(struct device *dev,
diff --git a/drivers/hwtracing/coresight/coresight-tpda.c b/drivers/hwtracing/coresight/coresight-tpda.c
index 4ac954f4bc136..c813ec427b8db 100644
--- a/drivers/hwtracing/coresight/coresight-tpda.c
+++ b/drivers/hwtracing/coresight/coresight-tpda.c
@@ -148,7 +148,11 @@ static int __tpda_enable(struct tpda_drvdata *drvdata, int port)
CS_UNLOCK(drvdata->base);
- if (!drvdata->csdev->enable)
+ /*
+ * Only do pre-port enable for first port that calls enable when the
+ * device's main refcount is still 0
+ */
+ if (!atomic_read(&drvdata->csdev->refcnt))
tpda_enable_pre_port(drvdata);
ret = tpda_enable_port(drvdata, port);
@@ -169,6 +173,7 @@ static int tpda_enable(struct coresight_device *csdev,
ret = __tpda_enable(drvdata, in->dest_port);
if (!ret) {
atomic_inc(&in->dest_refcnt);
+ atomic_inc(&csdev->refcnt);
dev_dbg(drvdata->dev, "TPDA inport %d enabled.\n", in->dest_port);
}
}
@@ -197,9 +202,10 @@ static void tpda_disable(struct coresight_device *csdev,
struct tpda_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
spin_lock(&drvdata->spinlock);
- if (atomic_dec_return(&in->dest_refcnt) == 0)
+ if (atomic_dec_return(&in->dest_refcnt) == 0) {
__tpda_disable(drvdata, in->dest_port);
-
+ atomic_dec(&csdev->refcnt);
+ }
spin_unlock(&drvdata->spinlock);
dev_dbg(drvdata->dev, "TPDA inport %d disabled\n", in->dest_port);
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 01f67862ea2f1..d1fd7070099c4 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -233,7 +233,6 @@ struct coresight_sysfs_link {
* a non-atomic read would also work.
* @refcnt: keep track of what is in use.
* @orphan: true if the component has connections that haven't been linked.
- * @enable: 'true' if component is currently part of an active path.
* @sysfs_sink_activated: 'true' when a sink has been selected for use via sysfs
* by writing a 1 to the 'enable_sink' file. A sink can be
* activated but not yet enabled. Enabling for a _sink_ happens
@@ -260,7 +259,6 @@ struct coresight_device {
local_t mode;
atomic_t refcnt;
bool orphan;
- bool enable;
/* sink specific fields */
bool sysfs_sink_activated;
struct dev_ext_attribute *ea;
--
GitLab
From 1f5149c7751c50aba1a871143ffa6cb36af3fb49 Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Mon, 29 Jan 2024 15:40:37 +0000
Subject: [PATCH 0368/2686] coresight: Move all sysfs code to sysfs file
At the moment the core file contains both sysfs functionality and
core functionality, while the Perf mode is in a separate file in
coresight-etm-perf.c
Many of the functions have ambiguous names like
coresight_enable_source() which actually only work in relation to the
sysfs mode. To avoid further confusion, move everything that isn't core
functionality into the sysfs file and append _sysfs to the ambiguous
functions.
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-7-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-core.c | 394 +-----------------
.../coresight/coresight-etm3x-core.c | 4 +-
.../coresight/coresight-etm4x-core.c | 4 +-
drivers/hwtracing/coresight/coresight-priv.h | 5 +-
drivers/hwtracing/coresight/coresight-stm.c | 4 +-
drivers/hwtracing/coresight/coresight-sysfs.c | 390 +++++++++++++++++
include/linux/coresight.h | 8 +-
7 files changed, 407 insertions(+), 402 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index b8d6520d47c94..b83613e342891 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -9,7 +9,6 @@
#include <linux/types.h>
#include <linux/device.h>
#include <linux/io.h>
-#include <linux/idr.h>
#include <linux/err.h>
#include <linux/export.h>
#include <linux/slab.h>
@@ -25,15 +24,12 @@
#include "coresight-priv.h"
#include "coresight-syscfg.h"
-static DEFINE_MUTEX(coresight_mutex);
-static DEFINE_PER_CPU(struct coresight_device *, csdev_sink);
-
/*
- * Use IDR to map the hash of the source's device name
- * to the pointer of path for the source. The idr is for
- * the sources which aren't associated with CPU.
+ * Mutex used to lock all sysfs enable and disable actions and loading and
+ * unloading devices by the Coresight core.
*/
-static DEFINE_IDR(path_idr);
+DEFINE_MUTEX(coresight_mutex);
+static DEFINE_PER_CPU(struct coresight_device *, csdev_sink);
/**
* struct coresight_node - elements of a path, from source to sink
@@ -45,12 +41,6 @@ struct coresight_node {
struct list_head link;
};
-/*
- * When operating Coresight drivers from the sysFS interface, only a single
- * path can exist from a tracer (associated to a CPU) to a sink.
- */
-static DEFINE_PER_CPU(struct list_head *, tracer_path);
-
/*
* When losing synchronisation a new barrier packet needs to be inserted at the
* beginning of the data collected in a buffer. That way the decoder knows that
@@ -61,34 +51,6 @@ EXPORT_SYMBOL_GPL(coresight_barrier_pkt);
static const struct cti_assoc_op *cti_assoc_ops;
-ssize_t coresight_simple_show_pair(struct device *_dev,
- struct device_attribute *attr, char *buf)
-{
- struct coresight_device *csdev = container_of(_dev, struct coresight_device, dev);
- struct cs_pair_attribute *cs_attr = container_of(attr, struct cs_pair_attribute, attr);
- u64 val;
-
- pm_runtime_get_sync(_dev->parent);
- val = csdev_access_relaxed_read_pair(&csdev->access, cs_attr->lo_off, cs_attr->hi_off);
- pm_runtime_put_sync(_dev->parent);
- return sysfs_emit(buf, "0x%llx\n", val);
-}
-EXPORT_SYMBOL_GPL(coresight_simple_show_pair);
-
-ssize_t coresight_simple_show32(struct device *_dev,
- struct device_attribute *attr, char *buf)
-{
- struct coresight_device *csdev = container_of(_dev, struct coresight_device, dev);
- struct cs_off_attribute *cs_attr = container_of(attr, struct cs_off_attribute, attr);
- u64 val;
-
- pm_runtime_get_sync(_dev->parent);
- val = csdev_access_relaxed_read32(&csdev->access, cs_attr->off);
- pm_runtime_put_sync(_dev->parent);
- return sysfs_emit(buf, "0x%llx\n", val);
-}
-EXPORT_SYMBOL_GPL(coresight_simple_show32);
-
void coresight_set_cti_ops(const struct cti_assoc_op *cti_op)
{
cti_assoc_ops = cti_op;
@@ -324,29 +286,6 @@ static void coresight_disable_link(struct coresight_device *csdev,
link_ops(csdev)->disable(csdev, inconn, outconn);
}
-int coresight_enable_source(struct coresight_device *csdev, enum cs_mode mode,
- void *data)
-{
- int ret;
-
- /*
- * Comparison with CS_MODE_SYSFS works without taking any device
- * specific spinlock because the truthyness of that comparison can only
- * change with coresight_mutex held, which we already have here.
- */
- lockdep_assert_held(&coresight_mutex);
- if (local_read(&csdev->mode) != CS_MODE_SYSFS) {
- ret = source_ops(csdev)->enable(csdev, data, mode);
- if (ret)
- return ret;
- }
-
- atomic_inc(&csdev->refcnt);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(coresight_enable_source);
-
static bool coresight_is_helper(struct coresight_device *csdev)
{
return csdev->type == CORESIGHT_DEV_TYPE_HELPER;
@@ -392,30 +331,6 @@ void coresight_disable_source(struct coresight_device *csdev, void *data)
}
EXPORT_SYMBOL_GPL(coresight_disable_source);
-/**
- * coresight_disable_source_sysfs - Drop the reference count by 1 and disable
- * the device if there are no users left.
- *
- * @csdev: The coresight device to disable
- * @data: Opaque data to pass on to the disable function of the source device.
- * For example in perf mode this is a pointer to the struct perf_event.
- *
- * Returns true if the device has been disabled.
- */
-static bool coresight_disable_source_sysfs(struct coresight_device *csdev,
- void *data)
-{
- lockdep_assert_held(&coresight_mutex);
- if (local_read(&csdev->mode) != CS_MODE_SYSFS)
- return false;
-
- if (atomic_dec_return(&csdev->refcnt) == 0) {
- coresight_disable_source(csdev, data);
- return true;
- }
- return false;
-}
-
/*
* coresight_disable_path_from : Disable components in the given path beyond
* @nd in the list. If @nd is NULL, all the components, except the SOURCE are
@@ -572,39 +487,6 @@ struct coresight_device *coresight_get_sink(struct list_head *path)
return csdev;
}
-/**
- * coresight_find_activated_sysfs_sink - returns the first sink activated via
- * sysfs using connection based search starting from the source reference.
- *
- * @csdev: Coresight source device reference
- */
-static struct coresight_device *
-coresight_find_activated_sysfs_sink(struct coresight_device *csdev)
-{
- int i;
- struct coresight_device *sink = NULL;
-
- if ((csdev->type == CORESIGHT_DEV_TYPE_SINK ||
- csdev->type == CORESIGHT_DEV_TYPE_LINKSINK) &&
- csdev->sysfs_sink_activated)
- return csdev;
-
- /*
- * Recursively explore each port found on this element.
- */
- for (i = 0; i < csdev->pdata->nr_outconns; i++) {
- struct coresight_device *child_dev;
-
- child_dev = csdev->pdata->out_conns[i]->dest_dev;
- if (child_dev)
- sink = coresight_find_activated_sysfs_sink(child_dev);
- if (sink)
- return sink;
- }
-
- return NULL;
-}
-
static int coresight_sink_by_id(struct device *dev, const void *data)
{
struct coresight_device *csdev = to_coresight_device(dev);
@@ -1015,274 +897,6 @@ static void coresight_clear_default_sink(struct coresight_device *csdev)
}
}
-/** coresight_validate_source - make sure a source has the right credentials
- * @csdev: the device structure for a source.
- * @function: the function this was called from.
- *
- * Assumes the coresight_mutex is held.
- */
-static int coresight_validate_source(struct coresight_device *csdev,
- const char *function)
-{
- u32 type, subtype;
-
- type = csdev->type;
- subtype = csdev->subtype.source_subtype;
-
- if (type != CORESIGHT_DEV_TYPE_SOURCE) {
- dev_err(&csdev->dev, "wrong device type in %s\n", function);
- return -EINVAL;
- }
-
- if (subtype != CORESIGHT_DEV_SUBTYPE_SOURCE_PROC &&
- subtype != CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE &&
- subtype != CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM &&
- subtype != CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS) {
- dev_err(&csdev->dev, "wrong device subtype in %s\n", function);
- return -EINVAL;
- }
-
- return 0;
-}
-
-int coresight_enable(struct coresight_device *csdev)
-{
- int cpu, ret = 0;
- struct coresight_device *sink;
- struct list_head *path;
- enum coresight_dev_subtype_source subtype;
- u32 hash;
-
- subtype = csdev->subtype.source_subtype;
-
- mutex_lock(&coresight_mutex);
-
- ret = coresight_validate_source(csdev, __func__);
- if (ret)
- goto out;
-
- /*
- * mode == SYSFS implies that it's already enabled. Don't look at the
- * refcount to determine this because we don't claim the source until
- * coresight_enable_source() so can still race with Perf mode which
- * doesn't hold coresight_mutex.
- */
- if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
- /*
- * There could be multiple applications driving the software
- * source. So keep the refcount for each such user when the
- * source is already enabled.
- */
- if (subtype == CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE)
- atomic_inc(&csdev->refcnt);
- goto out;
- }
-
- sink = coresight_find_activated_sysfs_sink(csdev);
- if (!sink) {
- ret = -EINVAL;
- goto out;
- }
-
- path = coresight_build_path(csdev, sink);
- if (IS_ERR(path)) {
- pr_err("building path(s) failed\n");
- ret = PTR_ERR(path);
- goto out;
- }
-
- ret = coresight_enable_path(path, CS_MODE_SYSFS, NULL);
- if (ret)
- goto err_path;
-
- ret = coresight_enable_source(csdev, CS_MODE_SYSFS, NULL);
- if (ret)
- goto err_source;
-
- switch (subtype) {
- case CORESIGHT_DEV_SUBTYPE_SOURCE_PROC:
- /*
- * When working from sysFS it is important to keep track
- * of the paths that were created so that they can be
- * undone in 'coresight_disable()'. Since there can only
- * be a single session per tracer (when working from sysFS)
- * a per-cpu variable will do just fine.
- */
- cpu = source_ops(csdev)->cpu_id(csdev);
- per_cpu(tracer_path, cpu) = path;
- break;
- case CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE:
- case CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM:
- case CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS:
- /*
- * Use the hash of source's device name as ID
- * and map the ID to the pointer of the path.
- */
- hash = hashlen_hash(hashlen_string(NULL, dev_name(&csdev->dev)));
- ret = idr_alloc_u32(&path_idr, path, &hash, hash, GFP_KERNEL);
- if (ret)
- goto err_source;
- break;
- default:
- /* We can't be here */
- break;
- }
-
-out:
- mutex_unlock(&coresight_mutex);
- return ret;
-
-err_source:
- coresight_disable_path(path);
-
-err_path:
- coresight_release_path(path);
- goto out;
-}
-EXPORT_SYMBOL_GPL(coresight_enable);
-
-void coresight_disable(struct coresight_device *csdev)
-{
- int cpu, ret;
- struct list_head *path = NULL;
- u32 hash;
-
- mutex_lock(&coresight_mutex);
-
- ret = coresight_validate_source(csdev, __func__);
- if (ret)
- goto out;
-
- if (!coresight_disable_source_sysfs(csdev, NULL))
- goto out;
-
- switch (csdev->subtype.source_subtype) {
- case CORESIGHT_DEV_SUBTYPE_SOURCE_PROC:
- cpu = source_ops(csdev)->cpu_id(csdev);
- path = per_cpu(tracer_path, cpu);
- per_cpu(tracer_path, cpu) = NULL;
- break;
- case CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE:
- case CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM:
- case CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS:
- hash = hashlen_hash(hashlen_string(NULL, dev_name(&csdev->dev)));
- /* Find the path by the hash. */
- path = idr_find(&path_idr, hash);
- if (path == NULL) {
- pr_err("Path is not found for %s\n", dev_name(&csdev->dev));
- goto out;
- }
- idr_remove(&path_idr, hash);
- break;
- default:
- /* We can't be here */
- break;
- }
-
- coresight_disable_path(path);
- coresight_release_path(path);
-
-out:
- mutex_unlock(&coresight_mutex);
-}
-EXPORT_SYMBOL_GPL(coresight_disable);
-
-static ssize_t enable_sink_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct coresight_device *csdev = to_coresight_device(dev);
-
- return scnprintf(buf, PAGE_SIZE, "%u\n", csdev->sysfs_sink_activated);
-}
-
-static ssize_t enable_sink_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t size)
-{
- int ret;
- unsigned long val;
- struct coresight_device *csdev = to_coresight_device(dev);
-
- ret = kstrtoul(buf, 10, &val);
- if (ret)
- return ret;
-
- csdev->sysfs_sink_activated = !!val;
-
- return size;
-
-}
-static DEVICE_ATTR_RW(enable_sink);
-
-static ssize_t enable_source_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct coresight_device *csdev = to_coresight_device(dev);
-
- guard(mutex)(&coresight_mutex);
- return scnprintf(buf, PAGE_SIZE, "%u\n",
- local_read(&csdev->mode) == CS_MODE_SYSFS);
-}
-
-static ssize_t enable_source_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t size)
-{
- int ret = 0;
- unsigned long val;
- struct coresight_device *csdev = to_coresight_device(dev);
-
- ret = kstrtoul(buf, 10, &val);
- if (ret)
- return ret;
-
- if (val) {
- ret = coresight_enable(csdev);
- if (ret)
- return ret;
- } else {
- coresight_disable(csdev);
- }
-
- return size;
-}
-static DEVICE_ATTR_RW(enable_source);
-
-static struct attribute *coresight_sink_attrs[] = {
- &dev_attr_enable_sink.attr,
- NULL,
-};
-ATTRIBUTE_GROUPS(coresight_sink);
-
-static struct attribute *coresight_source_attrs[] = {
- &dev_attr_enable_source.attr,
- NULL,
-};
-ATTRIBUTE_GROUPS(coresight_source);
-
-static struct device_type coresight_dev_type[] = {
- {
- .name = "sink",
- .groups = coresight_sink_groups,
- },
- {
- .name = "link",
- },
- {
- .name = "linksink",
- .groups = coresight_sink_groups,
- },
- {
- .name = "source",
- .groups = coresight_source_groups,
- },
- {
- .name = "helper",
- }
-};
-/* Ensure the enum matches the names and groups */
-static_assert(ARRAY_SIZE(coresight_dev_type) == CORESIGHT_DEV_TYPE_MAX);
-
static void coresight_device_release(struct device *dev)
{
struct coresight_device *csdev = to_coresight_device(dev);
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-core.c b/drivers/hwtracing/coresight/coresight-etm3x-core.c
index 333d0a32c95c8..de53c3e8db291 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-core.c
@@ -714,7 +714,7 @@ static int etm_online_cpu(unsigned int cpu)
return 0;
if (etmdrvdata[cpu]->boot_enable && !etmdrvdata[cpu]->sticky_enable)
- coresight_enable(etmdrvdata[cpu]->csdev);
+ coresight_enable_sysfs(etmdrvdata[cpu]->csdev);
return 0;
}
@@ -924,7 +924,7 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id)
dev_info(&drvdata->csdev->dev,
"%s initialized\n", (char *)coresight_get_uci_data(id));
if (boot_enable) {
- coresight_enable(drvdata->csdev);
+ coresight_enable_sysfs(drvdata->csdev);
drvdata->boot_enable = true;
}
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index 7ceff627cd958..1c64b54459d7e 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -1648,7 +1648,7 @@ static int etm4_online_cpu(unsigned int cpu)
return etm4_probe_cpu(cpu);
if (etmdrvdata[cpu]->boot_enable && !etmdrvdata[cpu]->sticky_enable)
- coresight_enable(etmdrvdata[cpu]->csdev);
+ coresight_enable_sysfs(etmdrvdata[cpu]->csdev);
return 0;
}
@@ -2096,7 +2096,7 @@ static int etm4_add_coresight_dev(struct etm4_init_arg *init_arg)
drvdata->cpu, type_name, major, minor);
if (boot_enable) {
- coresight_enable(drvdata->csdev);
+ coresight_enable_sysfs(drvdata->csdev);
drvdata->boot_enable = true;
}
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index ced5be05a527e..eb365236f9a97 100644
--- a/drivers/hwtracing/coresight/coresight-priv.h
+++ b/drivers/hwtracing/coresight/coresight-priv.h
@@ -12,6 +12,9 @@
#include <linux/coresight.h>
#include <linux/pm_runtime.h>
+extern struct mutex coresight_mutex;
+extern struct device_type coresight_dev_type[];
+
/*
* Coresight management registers (0xf00-0xfcc)
* 0xfa0 - 0xfa4: Management registers in PFTv1.0
@@ -229,8 +232,6 @@ void coresight_add_helper(struct coresight_device *csdev,
void coresight_set_percpu_sink(int cpu, struct coresight_device *csdev);
struct coresight_device *coresight_get_percpu_sink(int cpu);
-int coresight_enable_source(struct coresight_device *csdev, enum cs_mode mode,
- void *data);
void coresight_disable_source(struct coresight_device *csdev, void *data);
#endif
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
index f7fc645ea7a48..b2ccbe989ff81 100644
--- a/drivers/hwtracing/coresight/coresight-stm.c
+++ b/drivers/hwtracing/coresight/coresight-stm.c
@@ -332,7 +332,7 @@ static int stm_generic_link(struct stm_data *stm_data,
if (!drvdata || !drvdata->csdev)
return -EINVAL;
- return coresight_enable(drvdata->csdev);
+ return coresight_enable_sysfs(drvdata->csdev);
}
static void stm_generic_unlink(struct stm_data *stm_data,
@@ -343,7 +343,7 @@ static void stm_generic_unlink(struct stm_data *stm_data,
if (!drvdata || !drvdata->csdev)
return;
- coresight_disable(drvdata->csdev);
+ coresight_disable_sysfs(drvdata->csdev);
}
static phys_addr_t
diff --git a/drivers/hwtracing/coresight/coresight-sysfs.c b/drivers/hwtracing/coresight/coresight-sysfs.c
index dd78e9fcfc4dc..92cdf8139f23f 100644
--- a/drivers/hwtracing/coresight/coresight-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-sysfs.c
@@ -5,10 +5,400 @@
*/
#include <linux/device.h>
+#include <linux/idr.h>
#include <linux/kernel.h>
#include "coresight-priv.h"
+/*
+ * Use IDR to map the hash of the source's device name
+ * to the pointer of path for the source. The idr is for
+ * the sources which aren't associated with CPU.
+ */
+static DEFINE_IDR(path_idr);
+
+/*
+ * When operating Coresight drivers from the sysFS interface, only a single
+ * path can exist from a tracer (associated to a CPU) to a sink.
+ */
+static DEFINE_PER_CPU(struct list_head *, tracer_path);
+
+ssize_t coresight_simple_show_pair(struct device *_dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct coresight_device *csdev = container_of(_dev, struct coresight_device, dev);
+ struct cs_pair_attribute *cs_attr = container_of(attr, struct cs_pair_attribute, attr);
+ u64 val;
+
+ pm_runtime_get_sync(_dev->parent);
+ val = csdev_access_relaxed_read_pair(&csdev->access, cs_attr->lo_off, cs_attr->hi_off);
+ pm_runtime_put_sync(_dev->parent);
+ return sysfs_emit(buf, "0x%llx\n", val);
+}
+EXPORT_SYMBOL_GPL(coresight_simple_show_pair);
+
+ssize_t coresight_simple_show32(struct device *_dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct coresight_device *csdev = container_of(_dev, struct coresight_device, dev);
+ struct cs_off_attribute *cs_attr = container_of(attr, struct cs_off_attribute, attr);
+ u64 val;
+
+ pm_runtime_get_sync(_dev->parent);
+ val = csdev_access_relaxed_read32(&csdev->access, cs_attr->off);
+ pm_runtime_put_sync(_dev->parent);
+ return sysfs_emit(buf, "0x%llx\n", val);
+}
+EXPORT_SYMBOL_GPL(coresight_simple_show32);
+
+static int coresight_enable_source_sysfs(struct coresight_device *csdev,
+ enum cs_mode mode, void *data)
+{
+ int ret;
+
+ /*
+ * Comparison with CS_MODE_SYSFS works without taking any device
+ * specific spinlock because the truthyness of that comparison can only
+ * change with coresight_mutex held, which we already have here.
+ */
+ lockdep_assert_held(&coresight_mutex);
+ if (local_read(&csdev->mode) != CS_MODE_SYSFS) {
+ ret = source_ops(csdev)->enable(csdev, data, mode);
+ if (ret)
+ return ret;
+ }
+
+ atomic_inc(&csdev->refcnt);
+
+ return 0;
+}
+
+/**
+ * coresight_disable_source_sysfs - Drop the reference count by 1 and disable
+ * the device if there are no users left.
+ *
+ * @csdev: The coresight device to disable
+ * @data: Opaque data to pass on to the disable function of the source device.
+ * For example in perf mode this is a pointer to the struct perf_event.
+ *
+ * Returns true if the device has been disabled.
+ */
+static bool coresight_disable_source_sysfs(struct coresight_device *csdev,
+ void *data)
+{
+ lockdep_assert_held(&coresight_mutex);
+ if (local_read(&csdev->mode) != CS_MODE_SYSFS)
+ return false;
+
+ if (atomic_dec_return(&csdev->refcnt) == 0) {
+ coresight_disable_source(csdev, data);
+ return true;
+ }
+ return false;
+}
+
+/**
+ * coresight_find_activated_sysfs_sink - returns the first sink activated via
+ * sysfs using connection based search starting from the source reference.
+ *
+ * @csdev: Coresight source device reference
+ */
+static struct coresight_device *
+coresight_find_activated_sysfs_sink(struct coresight_device *csdev)
+{
+ int i;
+ struct coresight_device *sink = NULL;
+
+ if ((csdev->type == CORESIGHT_DEV_TYPE_SINK ||
+ csdev->type == CORESIGHT_DEV_TYPE_LINKSINK) &&
+ csdev->sysfs_sink_activated)
+ return csdev;
+
+ /*
+ * Recursively explore each port found on this element.
+ */
+ for (i = 0; i < csdev->pdata->nr_outconns; i++) {
+ struct coresight_device *child_dev;
+
+ child_dev = csdev->pdata->out_conns[i]->dest_dev;
+ if (child_dev)
+ sink = coresight_find_activated_sysfs_sink(child_dev);
+ if (sink)
+ return sink;
+ }
+
+ return NULL;
+}
+
+/** coresight_validate_source - make sure a source has the right credentials to
+ * be used via sysfs.
+ * @csdev: the device structure for a source.
+ * @function: the function this was called from.
+ *
+ * Assumes the coresight_mutex is held.
+ */
+static int coresight_validate_source_sysfs(struct coresight_device *csdev,
+ const char *function)
+{
+ u32 type, subtype;
+
+ type = csdev->type;
+ subtype = csdev->subtype.source_subtype;
+
+ if (type != CORESIGHT_DEV_TYPE_SOURCE) {
+ dev_err(&csdev->dev, "wrong device type in %s\n", function);
+ return -EINVAL;
+ }
+
+ if (subtype != CORESIGHT_DEV_SUBTYPE_SOURCE_PROC &&
+ subtype != CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE &&
+ subtype != CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM &&
+ subtype != CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS) {
+ dev_err(&csdev->dev, "wrong device subtype in %s\n", function);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int coresight_enable_sysfs(struct coresight_device *csdev)
+{
+ int cpu, ret = 0;
+ struct coresight_device *sink;
+ struct list_head *path;
+ enum coresight_dev_subtype_source subtype;
+ u32 hash;
+
+ subtype = csdev->subtype.source_subtype;
+
+ mutex_lock(&coresight_mutex);
+
+ ret = coresight_validate_source_sysfs(csdev, __func__);
+ if (ret)
+ goto out;
+
+ /*
+ * mode == SYSFS implies that it's already enabled. Don't look at the
+ * refcount to determine this because we don't claim the source until
+ * coresight_enable_source() so can still race with Perf mode which
+ * doesn't hold coresight_mutex.
+ */
+ if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
+ /*
+ * There could be multiple applications driving the software
+ * source. So keep the refcount for each such user when the
+ * source is already enabled.
+ */
+ if (subtype == CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE)
+ atomic_inc(&csdev->refcnt);
+ goto out;
+ }
+
+ sink = coresight_find_activated_sysfs_sink(csdev);
+ if (!sink) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ path = coresight_build_path(csdev, sink);
+ if (IS_ERR(path)) {
+ pr_err("building path(s) failed\n");
+ ret = PTR_ERR(path);
+ goto out;
+ }
+
+ ret = coresight_enable_path(path, CS_MODE_SYSFS, NULL);
+ if (ret)
+ goto err_path;
+
+ ret = coresight_enable_source_sysfs(csdev, CS_MODE_SYSFS, NULL);
+ if (ret)
+ goto err_source;
+
+ switch (subtype) {
+ case CORESIGHT_DEV_SUBTYPE_SOURCE_PROC:
+ /*
+ * When working from sysFS it is important to keep track
+ * of the paths that were created so that they can be
+ * undone in 'coresight_disable()'. Since there can only
+ * be a single session per tracer (when working from sysFS)
+ * a per-cpu variable will do just fine.
+ */
+ cpu = source_ops(csdev)->cpu_id(csdev);
+ per_cpu(tracer_path, cpu) = path;
+ break;
+ case CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE:
+ case CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM:
+ case CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS:
+ /*
+ * Use the hash of source's device name as ID
+ * and map the ID to the pointer of the path.
+ */
+ hash = hashlen_hash(hashlen_string(NULL, dev_name(&csdev->dev)));
+ ret = idr_alloc_u32(&path_idr, path, &hash, hash, GFP_KERNEL);
+ if (ret)
+ goto err_source;
+ break;
+ default:
+ /* We can't be here */
+ break;
+ }
+
+out:
+ mutex_unlock(&coresight_mutex);
+ return ret;
+
+err_source:
+ coresight_disable_path(path);
+
+err_path:
+ coresight_release_path(path);
+ goto out;
+}
+EXPORT_SYMBOL_GPL(coresight_enable_sysfs);
+
+void coresight_disable_sysfs(struct coresight_device *csdev)
+{
+ int cpu, ret;
+ struct list_head *path = NULL;
+ u32 hash;
+
+ mutex_lock(&coresight_mutex);
+
+ ret = coresight_validate_source_sysfs(csdev, __func__);
+ if (ret)
+ goto out;
+
+ if (!coresight_disable_source_sysfs(csdev, NULL))
+ goto out;
+
+ switch (csdev->subtype.source_subtype) {
+ case CORESIGHT_DEV_SUBTYPE_SOURCE_PROC:
+ cpu = source_ops(csdev)->cpu_id(csdev);
+ path = per_cpu(tracer_path, cpu);
+ per_cpu(tracer_path, cpu) = NULL;
+ break;
+ case CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE:
+ case CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM:
+ case CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS:
+ hash = hashlen_hash(hashlen_string(NULL, dev_name(&csdev->dev)));
+ /* Find the path by the hash. */
+ path = idr_find(&path_idr, hash);
+ if (path == NULL) {
+ pr_err("Path is not found for %s\n", dev_name(&csdev->dev));
+ goto out;
+ }
+ idr_remove(&path_idr, hash);
+ break;
+ default:
+ /* We can't be here */
+ break;
+ }
+
+ coresight_disable_path(path);
+ coresight_release_path(path);
+
+out:
+ mutex_unlock(&coresight_mutex);
+}
+EXPORT_SYMBOL_GPL(coresight_disable_sysfs);
+
+static ssize_t enable_sink_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct coresight_device *csdev = to_coresight_device(dev);
+
+ return scnprintf(buf, PAGE_SIZE, "%u\n", csdev->sysfs_sink_activated);
+}
+
+static ssize_t enable_sink_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t size)
+{
+ int ret;
+ unsigned long val;
+ struct coresight_device *csdev = to_coresight_device(dev);
+
+ ret = kstrtoul(buf, 10, &val);
+ if (ret)
+ return ret;
+
+ csdev->sysfs_sink_activated = !!val;
+
+ return size;
+
+}
+static DEVICE_ATTR_RW(enable_sink);
+
+static ssize_t enable_source_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct coresight_device *csdev = to_coresight_device(dev);
+
+ guard(mutex)(&coresight_mutex);
+ return scnprintf(buf, PAGE_SIZE, "%u\n",
+ local_read(&csdev->mode) == CS_MODE_SYSFS);
+}
+
+static ssize_t enable_source_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t size)
+{
+ int ret = 0;
+ unsigned long val;
+ struct coresight_device *csdev = to_coresight_device(dev);
+
+ ret = kstrtoul(buf, 10, &val);
+ if (ret)
+ return ret;
+
+ if (val) {
+ ret = coresight_enable_sysfs(csdev);
+ if (ret)
+ return ret;
+ } else {
+ coresight_disable_sysfs(csdev);
+ }
+
+ return size;
+}
+static DEVICE_ATTR_RW(enable_source);
+
+static struct attribute *coresight_sink_attrs[] = {
+ &dev_attr_enable_sink.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(coresight_sink);
+
+static struct attribute *coresight_source_attrs[] = {
+ &dev_attr_enable_source.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(coresight_source);
+
+struct device_type coresight_dev_type[] = {
+ {
+ .name = "sink",
+ .groups = coresight_sink_groups,
+ },
+ {
+ .name = "link",
+ },
+ {
+ .name = "linksink",
+ .groups = coresight_sink_groups,
+ },
+ {
+ .name = "source",
+ .groups = coresight_source_groups,
+ },
+ {
+ .name = "helper",
+ }
+};
+/* Ensure the enum matches the names and groups */
+static_assert(ARRAY_SIZE(coresight_dev_type) == CORESIGHT_DEV_TYPE_MAX);
+
/*
* Connections group - links attribute.
* Count of created links between coresight components in the group.
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index d1fd7070099c4..365b28022c5b8 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -578,8 +578,8 @@ static inline bool coresight_is_percpu_sink(struct coresight_device *csdev)
extern struct coresight_device *
coresight_register(struct coresight_desc *desc);
extern void coresight_unregister(struct coresight_device *csdev);
-extern int coresight_enable(struct coresight_device *csdev);
-extern void coresight_disable(struct coresight_device *csdev);
+extern int coresight_enable_sysfs(struct coresight_device *csdev);
+extern void coresight_disable_sysfs(struct coresight_device *csdev);
extern int coresight_timeout(struct csdev_access *csa, u32 offset,
int position, int value);
@@ -609,8 +609,8 @@ static inline struct coresight_device *
coresight_register(struct coresight_desc *desc) { return NULL; }
static inline void coresight_unregister(struct coresight_device *csdev) {}
static inline int
-coresight_enable(struct coresight_device *csdev) { return -ENOSYS; }
-static inline void coresight_disable(struct coresight_device *csdev) {}
+coresight_enable_sysfs(struct coresight_device *csdev) { return -ENOSYS; }
+static inline void coresight_disable_sysfs(struct coresight_device *csdev) {}
static inline int coresight_timeout(struct csdev_access *csa, u32 offset,
int position, int value)
--
GitLab
From 4545b38ef004a586295750ea49a505b6396a7c90 Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Mon, 29 Jan 2024 15:40:38 +0000
Subject: [PATCH 0369/2686] coresight: Remove atomic type from refcnt
Refcnt is only ever accessed from either inside the coresight_mutex, or
the device's spinlock, making the atomic type and atomic_dec_return()
calls confusing and unnecessary. The only point of synchronisation
outside of these two types of locks is already done with a compare and
swap on 'mode', which a comment has been added for.
There was one instance of refcnt being used outside of a lock in TPIU,
but that can easily be fixed by making it the same as all the other
devices and adding a spinlock. Potentially in the future all the
refcounting and locking can be moved up into the core code, and all the
mostly duplicate code from the individual devices can be removed.
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-8-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-etb10.c | 11 +++++-----
drivers/hwtracing/coresight/coresight-sysfs.c | 7 ++++---
.../hwtracing/coresight/coresight-tmc-etf.c | 20 ++++++++++---------
.../hwtracing/coresight/coresight-tmc-etr.c | 13 ++++++------
drivers/hwtracing/coresight/coresight-tpda.c | 7 ++++---
drivers/hwtracing/coresight/coresight-tpiu.c | 14 +++++++++++--
drivers/hwtracing/coresight/ultrasoc-smb.c | 9 +++++----
include/linux/coresight.h | 13 +++++++++---
8 files changed, 59 insertions(+), 35 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index 145fb815ec1cf..306d2af47d632 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -161,7 +161,7 @@ static int etb_enable_sysfs(struct coresight_device *csdev)
local_set(&csdev->mode, CS_MODE_SYSFS);
}
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
out:
spin_unlock_irqrestore(&drvdata->spinlock, flags);
return ret;
@@ -197,7 +197,7 @@ static int etb_enable_perf(struct coresight_device *csdev, void *data)
* use for this session.
*/
if (drvdata->pid == pid) {
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
goto out;
}
@@ -215,7 +215,7 @@ static int etb_enable_perf(struct coresight_device *csdev, void *data)
/* Associate with monitored process. */
drvdata->pid = pid;
local_set(&drvdata->csdev->mode, CS_MODE_PERF);
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
}
out:
@@ -354,7 +354,8 @@ static int etb_disable(struct coresight_device *csdev)
spin_lock_irqsave(&drvdata->spinlock, flags);
- if (atomic_dec_return(&csdev->refcnt)) {
+ csdev->refcnt--;
+ if (csdev->refcnt) {
spin_unlock_irqrestore(&drvdata->spinlock, flags);
return -EBUSY;
}
@@ -445,7 +446,7 @@ static unsigned long etb_update_buffer(struct coresight_device *csdev,
spin_lock_irqsave(&drvdata->spinlock, flags);
/* Don't do anything if another tracer is using this sink */
- if (atomic_read(&csdev->refcnt) != 1)
+ if (csdev->refcnt != 1)
goto out;
__etb_disable_hw(drvdata);
diff --git a/drivers/hwtracing/coresight/coresight-sysfs.c b/drivers/hwtracing/coresight/coresight-sysfs.c
index 92cdf8139f23f..5992f2c2200a4 100644
--- a/drivers/hwtracing/coresight/coresight-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-sysfs.c
@@ -68,7 +68,7 @@ static int coresight_enable_source_sysfs(struct coresight_device *csdev,
return ret;
}
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
return 0;
}
@@ -90,7 +90,8 @@ static bool coresight_disable_source_sysfs(struct coresight_device *csdev,
if (local_read(&csdev->mode) != CS_MODE_SYSFS)
return false;
- if (atomic_dec_return(&csdev->refcnt) == 0) {
+ csdev->refcnt--;
+ if (csdev->refcnt == 0) {
coresight_disable_source(csdev, data);
return true;
}
@@ -190,7 +191,7 @@ int coresight_enable_sysfs(struct coresight_device *csdev)
* source is already enabled.
*/
if (subtype == CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE)
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
goto out;
}
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c
index 2a7e516052a29..f3281c958a570 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etf.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c
@@ -206,7 +206,7 @@ static int tmc_enable_etf_sink_sysfs(struct coresight_device *csdev)
* touched.
*/
if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
goto out;
}
@@ -229,7 +229,7 @@ static int tmc_enable_etf_sink_sysfs(struct coresight_device *csdev)
ret = tmc_etb_enable_hw(drvdata);
if (!ret) {
local_set(&csdev->mode, CS_MODE_SYSFS);
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
} else {
/* Free up the buffer if we failed to enable */
used = false;
@@ -284,7 +284,7 @@ static int tmc_enable_etf_sink_perf(struct coresight_device *csdev, void *data)
* use for this session.
*/
if (drvdata->pid == pid) {
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
break;
}
@@ -293,7 +293,7 @@ static int tmc_enable_etf_sink_perf(struct coresight_device *csdev, void *data)
/* Associate with monitored process. */
drvdata->pid = pid;
local_set(&csdev->mode, CS_MODE_PERF);
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
}
} while (0);
spin_unlock_irqrestore(&drvdata->spinlock, flags);
@@ -338,7 +338,8 @@ static int tmc_disable_etf_sink(struct coresight_device *csdev)
return -EBUSY;
}
- if (atomic_dec_return(&csdev->refcnt)) {
+ csdev->refcnt--;
+ if (csdev->refcnt) {
spin_unlock_irqrestore(&drvdata->spinlock, flags);
return -EBUSY;
}
@@ -371,7 +372,7 @@ static int tmc_enable_etf_link(struct coresight_device *csdev,
return -EBUSY;
}
- if (atomic_read(&csdev->refcnt) == 0) {
+ if (csdev->refcnt == 0) {
ret = tmc_etf_enable_hw(drvdata);
if (!ret) {
local_set(&csdev->mode, CS_MODE_SYSFS);
@@ -379,7 +380,7 @@ static int tmc_enable_etf_link(struct coresight_device *csdev,
}
}
if (!ret)
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
spin_unlock_irqrestore(&drvdata->spinlock, flags);
if (first_enable)
@@ -401,7 +402,8 @@ static void tmc_disable_etf_link(struct coresight_device *csdev,
return;
}
- if (atomic_dec_return(&csdev->refcnt) == 0) {
+ csdev->refcnt--;
+ if (csdev->refcnt == 0) {
tmc_etf_disable_hw(drvdata);
local_set(&csdev->mode, CS_MODE_DISABLED);
last_disable = true;
@@ -489,7 +491,7 @@ static unsigned long tmc_update_etf_buffer(struct coresight_device *csdev,
spin_lock_irqsave(&drvdata->spinlock, flags);
/* Don't do anything if another tracer is using this sink */
- if (atomic_read(&csdev->refcnt) != 1)
+ if (csdev->refcnt != 1)
goto out;
CS_UNLOCK(drvdata->base);
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c
index 3dc989d4fcabc..88a0fc375b4db 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etr.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c
@@ -1231,14 +1231,14 @@ static int tmc_enable_etr_sink_sysfs(struct coresight_device *csdev)
* touched, even if the buffer size has changed.
*/
if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
goto out;
}
ret = tmc_etr_enable_hw(drvdata, sysfs_buf);
if (!ret) {
local_set(&csdev->mode, CS_MODE_SYSFS);
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
}
out:
@@ -1564,7 +1564,7 @@ tmc_update_etr_buffer(struct coresight_device *csdev,
spin_lock_irqsave(&drvdata->spinlock, flags);
/* Don't do anything if another tracer is using this sink */
- if (atomic_read(&csdev->refcnt) != 1) {
+ if (csdev->refcnt != 1) {
spin_unlock_irqrestore(&drvdata->spinlock, flags);
goto out;
}
@@ -1676,7 +1676,7 @@ static int tmc_enable_etr_sink_perf(struct coresight_device *csdev, void *data)
* use for this session.
*/
if (drvdata->pid == pid) {
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
goto unlock_out;
}
@@ -1686,7 +1686,7 @@ static int tmc_enable_etr_sink_perf(struct coresight_device *csdev, void *data)
drvdata->pid = pid;
local_set(&csdev->mode, CS_MODE_PERF);
drvdata->perf_buf = etr_perf->etr_buf;
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
}
unlock_out:
@@ -1719,7 +1719,8 @@ static int tmc_disable_etr_sink(struct coresight_device *csdev)
return -EBUSY;
}
- if (atomic_dec_return(&csdev->refcnt)) {
+ csdev->refcnt--;
+ if (csdev->refcnt) {
spin_unlock_irqrestore(&drvdata->spinlock, flags);
return -EBUSY;
}
diff --git a/drivers/hwtracing/coresight/coresight-tpda.c b/drivers/hwtracing/coresight/coresight-tpda.c
index c813ec427b8db..f8f6413cc7116 100644
--- a/drivers/hwtracing/coresight/coresight-tpda.c
+++ b/drivers/hwtracing/coresight/coresight-tpda.c
@@ -152,7 +152,8 @@ static int __tpda_enable(struct tpda_drvdata *drvdata, int port)
* Only do pre-port enable for first port that calls enable when the
* device's main refcount is still 0
*/
- if (!atomic_read(&drvdata->csdev->refcnt))
+ lockdep_assert_held(&drvdata->spinlock);
+ if (!drvdata->csdev->refcnt)
tpda_enable_pre_port(drvdata);
ret = tpda_enable_port(drvdata, port);
@@ -173,7 +174,7 @@ static int tpda_enable(struct coresight_device *csdev,
ret = __tpda_enable(drvdata, in->dest_port);
if (!ret) {
atomic_inc(&in->dest_refcnt);
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
dev_dbg(drvdata->dev, "TPDA inport %d enabled.\n", in->dest_port);
}
}
@@ -204,7 +205,7 @@ static void tpda_disable(struct coresight_device *csdev,
spin_lock(&drvdata->spinlock);
if (atomic_dec_return(&in->dest_refcnt) == 0) {
__tpda_disable(drvdata, in->dest_port);
- atomic_dec(&csdev->refcnt);
+ csdev->refcnt--;
}
spin_unlock(&drvdata->spinlock);
diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtracing/coresight/coresight-tpiu.c
index 7e69048ac9449..29024f880fda7 100644
--- a/drivers/hwtracing/coresight/coresight-tpiu.c
+++ b/drivers/hwtracing/coresight/coresight-tpiu.c
@@ -58,6 +58,7 @@ struct tpiu_drvdata {
void __iomem *base;
struct clk *atclk;
struct coresight_device *csdev;
+ spinlock_t spinlock;
};
static void tpiu_enable_hw(struct csdev_access *csa)
@@ -72,8 +73,11 @@ static void tpiu_enable_hw(struct csdev_access *csa)
static int tpiu_enable(struct coresight_device *csdev, enum cs_mode mode,
void *__unused)
{
+ struct tpiu_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+
+ guard(spinlock)(&drvdata->spinlock);
tpiu_enable_hw(&csdev->access);
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
dev_dbg(&csdev->dev, "TPIU enabled\n");
return 0;
}
@@ -96,7 +100,11 @@ static void tpiu_disable_hw(struct csdev_access *csa)
static int tpiu_disable(struct coresight_device *csdev)
{
- if (atomic_dec_return(&csdev->refcnt))
+ struct tpiu_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+
+ guard(spinlock)(&drvdata->spinlock);
+ csdev->refcnt--;
+ if (csdev->refcnt)
return -EBUSY;
tpiu_disable_hw(&csdev->access);
@@ -132,6 +140,8 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id)
if (!drvdata)
return -ENOMEM;
+ spin_lock_init(&drvdata->spinlock);
+
drvdata->atclk = devm_clk_get(&adev->dev, "atclk"); /* optional */
if (!IS_ERR(drvdata->atclk)) {
ret = clk_prepare_enable(drvdata->atclk);
diff --git a/drivers/hwtracing/coresight/ultrasoc-smb.c b/drivers/hwtracing/coresight/ultrasoc-smb.c
index bef633960173e..a92c5b750f81e 100644
--- a/drivers/hwtracing/coresight/ultrasoc-smb.c
+++ b/drivers/hwtracing/coresight/ultrasoc-smb.c
@@ -103,7 +103,7 @@ static int smb_open(struct inode *inode, struct file *file)
if (drvdata->reading)
return -EBUSY;
- if (atomic_read(&drvdata->csdev->refcnt))
+ if (drvdata->csdev->refcnt)
return -EBUSY;
smb_update_data_size(drvdata);
@@ -271,7 +271,7 @@ static int smb_enable(struct coresight_device *csdev, enum cs_mode mode,
if (ret)
return ret;
- atomic_inc(&csdev->refcnt);
+ csdev->refcnt++;
dev_dbg(&csdev->dev, "Ultrasoc SMB enabled\n");
return ret;
@@ -286,7 +286,8 @@ static int smb_disable(struct coresight_device *csdev)
if (drvdata->reading)
return -EBUSY;
- if (atomic_dec_return(&csdev->refcnt))
+ csdev->refcnt--;
+ if (csdev->refcnt)
return -EBUSY;
/* Complain if we (somehow) got out of sync */
@@ -381,7 +382,7 @@ static unsigned long smb_update_buffer(struct coresight_device *csdev,
guard(spinlock)(&drvdata->spinlock);
/* Don't do anything if another tracer is using this sink. */
- if (atomic_read(&csdev->refcnt) != 1)
+ if (csdev->refcnt != 1)
return 0;
smb_disable_hw(drvdata);
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 365b28022c5b8..74bcec526aa91 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -230,8 +230,15 @@ struct coresight_sysfs_link {
* actually an 'enum cs_mode', but is stored in an atomic type.
* This is always accessed through local_read() and local_set(),
* but wherever it's done from within the Coresight device's lock,
- * a non-atomic read would also work.
- * @refcnt: keep track of what is in use.
+ * a non-atomic read would also work. This is the main point of
+ * synchronisation between code happening inside the sysfs mode's
+ * coresight_mutex and outside when running in Perf mode. A compare
+ * and exchange swap is done to atomically claim one mode or the
+ * other.
+ * @refcnt: keep track of what is in use. Only access this outside of the
+ * device's spinlock when the coresight_mutex held and mode ==
+ * CS_MODE_SYSFS. Otherwise it must be accessed from inside the
+ * spinlock.
* @orphan: true if the component has connections that haven't been linked.
* @sysfs_sink_activated: 'true' when a sink has been selected for use via sysfs
* by writing a 1 to the 'enable_sink' file. A sink can be
@@ -257,7 +264,7 @@ struct coresight_device {
struct csdev_access access;
struct device dev;
local_t mode;
- atomic_t refcnt;
+ int refcnt;
bool orphan;
/* sink specific fields */
bool sysfs_sink_activated;
--
GitLab
From 053ad9ad1d13f253605d7644de3aa20d958569ef Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Mon, 29 Jan 2024 15:40:39 +0000
Subject: [PATCH 0370/2686] coresight: Remove unused stubs
These are a bit annoying to keep up to date when the function signatures
change. But if CONFIG_CORESIGHT isn't enabled, then they're not used
anyway so just delete them.
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-9-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
include/linux/coresight.h | 79 ---------------------------------------
1 file changed, 79 deletions(-)
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 74bcec526aa91..ecf4b8aecca8a 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -391,8 +391,6 @@ struct coresight_ops {
const struct coresight_ops_helper *helper_ops;
};
-#if IS_ENABLED(CONFIG_CORESIGHT)
-
static inline u32 csdev_access_relaxed_read32(struct csdev_access *csa,
u32 offset)
{
@@ -611,83 +609,6 @@ void coresight_relaxed_write64(struct coresight_device *csdev,
u64 val, u32 offset);
void coresight_write64(struct coresight_device *csdev, u64 val, u32 offset);
-#else
-static inline struct coresight_device *
-coresight_register(struct coresight_desc *desc) { return NULL; }
-static inline void coresight_unregister(struct coresight_device *csdev) {}
-static inline int
-coresight_enable_sysfs(struct coresight_device *csdev) { return -ENOSYS; }
-static inline void coresight_disable_sysfs(struct coresight_device *csdev) {}
-
-static inline int coresight_timeout(struct csdev_access *csa, u32 offset,
- int position, int value)
-{
- return 1;
-}
-
-static inline int coresight_claim_device_unlocked(struct coresight_device *csdev)
-{
- return -EINVAL;
-}
-
-static inline int coresight_claim_device(struct coresight_device *csdev)
-{
- return -EINVAL;
-}
-
-static inline void coresight_disclaim_device(struct coresight_device *csdev) {}
-static inline void coresight_disclaim_device_unlocked(struct coresight_device *csdev) {}
-
-static inline bool coresight_loses_context_with_cpu(struct device *dev)
-{
- return false;
-}
-
-static inline u32 coresight_relaxed_read32(struct coresight_device *csdev, u32 offset)
-{
- WARN_ON_ONCE(1);
- return 0;
-}
-
-static inline u32 coresight_read32(struct coresight_device *csdev, u32 offset)
-{
- WARN_ON_ONCE(1);
- return 0;
-}
-
-static inline void coresight_write32(struct coresight_device *csdev, u32 val, u32 offset)
-{
-}
-
-static inline void coresight_relaxed_write32(struct coresight_device *csdev,
- u32 val, u32 offset)
-{
-}
-
-static inline u64 coresight_relaxed_read64(struct coresight_device *csdev,
- u32 offset)
-{
- WARN_ON_ONCE(1);
- return 0;
-}
-
-static inline u64 coresight_read64(struct coresight_device *csdev, u32 offset)
-{
- WARN_ON_ONCE(1);
- return 0;
-}
-
-static inline void coresight_relaxed_write64(struct coresight_device *csdev,
- u64 val, u32 offset)
-{
-}
-
-static inline void coresight_write64(struct coresight_device *csdev, u64 val, u32 offset)
-{
-}
-
-#endif /* IS_ENABLED(CONFIG_CORESIGHT) */
-
extern int coresight_get_cpu(struct device *dev);
struct coresight_platform_data *coresight_get_platform_data(struct device *dev);
--
GitLab
From 812265e26ed3ac76d3a131709d8755bafcf31b58 Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Mon, 29 Jan 2024 15:40:40 +0000
Subject: [PATCH 0371/2686] coresight: Add explicit member initializers to
coresight_dev_type
These could potentially become wrong silently if the enum is changed,
so explicitly initialize them.
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-10-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-sysfs.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-sysfs.c b/drivers/hwtracing/coresight/coresight-sysfs.c
index 5992f2c2200a4..fa52297c73d2f 100644
--- a/drivers/hwtracing/coresight/coresight-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-sysfs.c
@@ -378,22 +378,22 @@ static struct attribute *coresight_source_attrs[] = {
ATTRIBUTE_GROUPS(coresight_source);
struct device_type coresight_dev_type[] = {
- {
+ [CORESIGHT_DEV_TYPE_SINK] = {
.name = "sink",
.groups = coresight_sink_groups,
},
- {
+ [CORESIGHT_DEV_TYPE_LINK] = {
.name = "link",
},
- {
+ [CORESIGHT_DEV_TYPE_LINKSINK] = {
.name = "linksink",
.groups = coresight_sink_groups,
},
- {
+ [CORESIGHT_DEV_TYPE_SOURCE] = {
.name = "source",
.groups = coresight_source_groups,
},
- {
+ [CORESIGHT_DEV_TYPE_HELPER] = {
.name = "helper",
}
};
--
GitLab
From d724f65218b994da234081df5dfe417c23802a65 Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Mon, 29 Jan 2024 15:40:41 +0000
Subject: [PATCH 0372/2686] coresight: Add helper for atomically taking the
device
Now that mode is in struct coresight_device, this pattern can be wrapped
in a helper.
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-11-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-etm3x-core.c | 8 +++-----
drivers/hwtracing/coresight/coresight-etm4x-core.c | 8 +++-----
drivers/hwtracing/coresight/coresight-stm.c | 8 +++-----
include/linux/coresight.h | 11 +++++++++++
4 files changed, 20 insertions(+), 15 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-core.c b/drivers/hwtracing/coresight/coresight-etm3x-core.c
index de53c3e8db291..c301f6a5f0658 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-core.c
@@ -556,14 +556,12 @@ static int etm_enable(struct coresight_device *csdev, struct perf_event *event,
enum cs_mode mode)
{
int ret;
- u32 val;
struct etm_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
- val = local_cmpxchg(&drvdata->csdev->mode, CS_MODE_DISABLED, mode);
-
- /* Someone is already using the tracer */
- if (val)
+ if (!coresight_take_mode(csdev, mode)) {
+ /* Someone is already using the tracer */
return -EBUSY;
+ }
switch (mode) {
case CS_MODE_SYSFS:
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index 1c64b54459d7e..572ac4a5e4ff9 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -840,13 +840,11 @@ static int etm4_enable(struct coresight_device *csdev, struct perf_event *event,
enum cs_mode mode)
{
int ret;
- u32 val;
- val = local_cmpxchg(&csdev->mode, CS_MODE_DISABLED, mode);
-
- /* Someone is already using the tracer */
- if (val)
+ if (!coresight_take_mode(csdev, mode)) {
+ /* Someone is already using the tracer */
return -EBUSY;
+ }
switch (mode) {
case CS_MODE_SYSFS:
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
index b2ccbe989ff81..ff578762f6bf3 100644
--- a/drivers/hwtracing/coresight/coresight-stm.c
+++ b/drivers/hwtracing/coresight/coresight-stm.c
@@ -193,17 +193,15 @@ static void stm_enable_hw(struct stm_drvdata *drvdata)
static int stm_enable(struct coresight_device *csdev, struct perf_event *event,
enum cs_mode mode)
{
- u32 val;
struct stm_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
if (mode != CS_MODE_SYSFS)
return -EINVAL;
- val = local_cmpxchg(&csdev->mode, CS_MODE_DISABLED, mode);
-
- /* Someone is already using the tracer */
- if (val)
+ if (!coresight_take_mode(csdev, mode)) {
+ /* Someone is already using the tracer */
return -EBUSY;
+ }
pm_runtime_get_sync(csdev->dev.parent);
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index ecf4b8aecca8a..414bcbbdaf62e 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -580,6 +580,17 @@ static inline bool coresight_is_percpu_sink(struct coresight_device *csdev)
(csdev->subtype.sink_subtype == CORESIGHT_DEV_SUBTYPE_SINK_PERCPU_SYSMEM);
}
+/*
+ * Atomically try to take the device and set a new mode. Returns true on
+ * success, false if the device is already taken by someone else.
+ */
+static inline bool coresight_take_mode(struct coresight_device *csdev,
+ enum cs_mode new_mode)
+{
+ return local_cmpxchg(&csdev->mode, CS_MODE_DISABLED, new_mode) ==
+ CS_MODE_DISABLED;
+}
+
extern struct coresight_device *
coresight_register(struct coresight_desc *desc);
extern void coresight_unregister(struct coresight_device *csdev);
--
GitLab
From c95c2733e5feb1f6848923f166849b2d1c7bf682 Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Mon, 29 Jan 2024 15:40:42 +0000
Subject: [PATCH 0373/2686] coresight: Add a helper for getting csdev->mode
Now that mode is in struct coresight_device accesses can be wrapped.
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-12-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-etb10.c | 10 +++++-----
.../hwtracing/coresight/coresight-etm3x-core.c | 6 +++---
.../hwtracing/coresight/coresight-etm3x-sysfs.c | 4 ++--
.../hwtracing/coresight/coresight-etm4x-core.c | 8 ++++----
drivers/hwtracing/coresight/coresight-stm.c | 14 +++++++-------
drivers/hwtracing/coresight/coresight-sysfs.c | 8 ++++----
drivers/hwtracing/coresight/coresight-tmc-core.c | 2 +-
drivers/hwtracing/coresight/coresight-tmc-etf.c | 16 ++++++++--------
drivers/hwtracing/coresight/coresight-tmc-etr.c | 14 +++++++-------
drivers/hwtracing/coresight/ultrasoc-smb.c | 8 ++++----
include/linux/coresight.h | 5 +++++
11 files changed, 50 insertions(+), 45 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index 306d2af47d632..e3a54f7038ad4 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -148,12 +148,12 @@ static int etb_enable_sysfs(struct coresight_device *csdev)
spin_lock_irqsave(&drvdata->spinlock, flags);
/* Don't messup with perf sessions. */
- if (local_read(&csdev->mode) == CS_MODE_PERF) {
+ if (coresight_get_mode(csdev) == CS_MODE_PERF) {
ret = -EBUSY;
goto out;
}
- if (local_read(&csdev->mode) == CS_MODE_DISABLED) {
+ if (coresight_get_mode(csdev) == CS_MODE_DISABLED) {
ret = etb_enable_hw(drvdata);
if (ret)
goto out;
@@ -179,7 +179,7 @@ static int etb_enable_perf(struct coresight_device *csdev, void *data)
spin_lock_irqsave(&drvdata->spinlock, flags);
/* No need to continue if the component is already in used by sysFS. */
- if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS) {
+ if (coresight_get_mode(drvdata->csdev) == CS_MODE_SYSFS) {
ret = -EBUSY;
goto out;
}
@@ -361,7 +361,7 @@ static int etb_disable(struct coresight_device *csdev)
}
/* Complain if we (somehow) got out of sync */
- WARN_ON_ONCE(local_read(&csdev->mode) == CS_MODE_DISABLED);
+ WARN_ON_ONCE(coresight_get_mode(csdev) == CS_MODE_DISABLED);
etb_disable_hw(drvdata);
/* Dissociate from monitored process. */
drvdata->pid = -1;
@@ -588,7 +588,7 @@ static void etb_dump(struct etb_drvdata *drvdata)
unsigned long flags;
spin_lock_irqsave(&drvdata->spinlock, flags);
- if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS) {
+ if (coresight_get_mode(drvdata->csdev) == CS_MODE_SYSFS) {
__etb_disable_hw(drvdata);
etb_dump_hw(drvdata);
__etb_enable_hw(drvdata);
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-core.c b/drivers/hwtracing/coresight/coresight-etm3x-core.c
index c301f6a5f0658..64ff53887ef58 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-core.c
@@ -676,7 +676,7 @@ static void etm_disable(struct coresight_device *csdev,
* change its status. As such we can read the status here without
* fearing it will change under us.
*/
- mode = local_read(&csdev->mode);
+ mode = coresight_get_mode(csdev);
switch (mode) {
case CS_MODE_DISABLED:
@@ -727,7 +727,7 @@ static int etm_starting_cpu(unsigned int cpu)
etmdrvdata[cpu]->os_unlock = true;
}
- if (local_read(&etmdrvdata[cpu]->csdev->mode))
+ if (coresight_get_mode(etmdrvdata[cpu]->csdev))
etm_enable_hw(etmdrvdata[cpu]);
spin_unlock(&etmdrvdata[cpu]->spinlock);
return 0;
@@ -739,7 +739,7 @@ static int etm_dying_cpu(unsigned int cpu)
return 0;
spin_lock(&etmdrvdata[cpu]->spinlock);
- if (local_read(&etmdrvdata[cpu]->csdev->mode))
+ if (coresight_get_mode(etmdrvdata[cpu]->csdev))
etm_disable_hw(etmdrvdata[cpu]);
spin_unlock(&etmdrvdata[cpu]->spinlock);
return 0;
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
index 6c8429c980b14..68c644be9813b 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
@@ -722,7 +722,7 @@ static ssize_t cntr_val_show(struct device *dev,
struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent);
struct etm_config *config = &drvdata->config;
- if (!local_read(&drvdata->csdev->mode)) {
+ if (!coresight_get_mode(drvdata->csdev)) {
spin_lock(&drvdata->spinlock);
for (i = 0; i < drvdata->nr_cntr; i++)
ret += sprintf(buf, "counter %d: %x\n",
@@ -941,7 +941,7 @@ static ssize_t seq_curr_state_show(struct device *dev,
struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent);
struct etm_config *config = &drvdata->config;
- if (!local_read(&drvdata->csdev->mode)) {
+ if (!coresight_get_mode(drvdata->csdev)) {
val = config->seq_curr_state;
goto out;
}
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index 572ac4a5e4ff9..e65232e982a78 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -1007,7 +1007,7 @@ static void etm4_disable(struct coresight_device *csdev,
* change its status. As such we can read the status here without
* fearing it will change under us.
*/
- mode = local_read(&csdev->mode);
+ mode = coresight_get_mode(csdev);
switch (mode) {
case CS_MODE_DISABLED:
@@ -1659,7 +1659,7 @@ static int etm4_starting_cpu(unsigned int cpu)
if (!etmdrvdata[cpu]->os_unlock)
etm4_os_unlock(etmdrvdata[cpu]);
- if (local_read(&etmdrvdata[cpu]->csdev->mode))
+ if (coresight_get_mode(etmdrvdata[cpu]->csdev))
etm4_enable_hw(etmdrvdata[cpu]);
spin_unlock(&etmdrvdata[cpu]->spinlock);
return 0;
@@ -1671,7 +1671,7 @@ static int etm4_dying_cpu(unsigned int cpu)
return 0;
spin_lock(&etmdrvdata[cpu]->spinlock);
- if (local_read(&etmdrvdata[cpu]->csdev->mode))
+ if (coresight_get_mode(etmdrvdata[cpu]->csdev))
etm4_disable_hw(etmdrvdata[cpu]);
spin_unlock(&etmdrvdata[cpu]->spinlock);
return 0;
@@ -1829,7 +1829,7 @@ static int etm4_cpu_save(struct etmv4_drvdata *drvdata)
* Save and restore the ETM Trace registers only if
* the ETM is active.
*/
- if (local_read(&drvdata->csdev->mode) && drvdata->save_state)
+ if (coresight_get_mode(drvdata->csdev) && drvdata->save_state)
ret = __etm4_cpu_save(drvdata);
return ret;
}
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
index ff578762f6bf3..1d02d42bea83f 100644
--- a/drivers/hwtracing/coresight/coresight-stm.c
+++ b/drivers/hwtracing/coresight/coresight-stm.c
@@ -262,7 +262,7 @@ static void stm_disable(struct coresight_device *csdev,
* change its status. As such we can read the status here without
* fearing it will change under us.
*/
- if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
+ if (coresight_get_mode(csdev) == CS_MODE_SYSFS) {
spin_lock(&drvdata->spinlock);
stm_disable_hw(drvdata);
spin_unlock(&drvdata->spinlock);
@@ -369,7 +369,7 @@ static long stm_generic_set_options(struct stm_data *stm_data,
{
struct stm_drvdata *drvdata = container_of(stm_data,
struct stm_drvdata, stm);
- if (!(drvdata && local_read(&drvdata->csdev->mode)))
+ if (!(drvdata && coresight_get_mode(drvdata->csdev)))
return -EINVAL;
if (channel >= drvdata->numsp)
@@ -404,7 +404,7 @@ static ssize_t notrace stm_generic_packet(struct stm_data *stm_data,
struct stm_drvdata, stm);
unsigned int stm_flags;
- if (!(drvdata && local_read(&drvdata->csdev->mode)))
+ if (!(drvdata && coresight_get_mode(drvdata->csdev)))
return -EACCES;
if (channel >= drvdata->numsp)
@@ -511,7 +511,7 @@ static ssize_t port_select_show(struct device *dev,
struct stm_drvdata *drvdata = dev_get_drvdata(dev->parent);
unsigned long val;
- if (!local_read(&drvdata->csdev->mode)) {
+ if (!coresight_get_mode(drvdata->csdev)) {
val = drvdata->stmspscr;
} else {
spin_lock(&drvdata->spinlock);
@@ -537,7 +537,7 @@ static ssize_t port_select_store(struct device *dev,
spin_lock(&drvdata->spinlock);
drvdata->stmspscr = val;
- if (local_read(&drvdata->csdev->mode)) {
+ if (coresight_get_mode(drvdata->csdev)) {
CS_UNLOCK(drvdata->base);
/* Process as per ARM's TRM recommendation */
stmsper = readl_relaxed(drvdata->base + STMSPER);
@@ -558,7 +558,7 @@ static ssize_t port_enable_show(struct device *dev,
struct stm_drvdata *drvdata = dev_get_drvdata(dev->parent);
unsigned long val;
- if (!local_read(&drvdata->csdev->mode)) {
+ if (!coresight_get_mode(drvdata->csdev)) {
val = drvdata->stmsper;
} else {
spin_lock(&drvdata->spinlock);
@@ -584,7 +584,7 @@ static ssize_t port_enable_store(struct device *dev,
spin_lock(&drvdata->spinlock);
drvdata->stmsper = val;
- if (local_read(&drvdata->csdev->mode)) {
+ if (coresight_get_mode(drvdata->csdev)) {
CS_UNLOCK(drvdata->base);
writel_relaxed(drvdata->stmsper, drvdata->base + STMSPER);
CS_LOCK(drvdata->base);
diff --git a/drivers/hwtracing/coresight/coresight-sysfs.c b/drivers/hwtracing/coresight/coresight-sysfs.c
index fa52297c73d2f..f9444e2cb1d9f 100644
--- a/drivers/hwtracing/coresight/coresight-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-sysfs.c
@@ -62,7 +62,7 @@ static int coresight_enable_source_sysfs(struct coresight_device *csdev,
* change with coresight_mutex held, which we already have here.
*/
lockdep_assert_held(&coresight_mutex);
- if (local_read(&csdev->mode) != CS_MODE_SYSFS) {
+ if (coresight_get_mode(csdev) != CS_MODE_SYSFS) {
ret = source_ops(csdev)->enable(csdev, data, mode);
if (ret)
return ret;
@@ -87,7 +87,7 @@ static bool coresight_disable_source_sysfs(struct coresight_device *csdev,
void *data)
{
lockdep_assert_held(&coresight_mutex);
- if (local_read(&csdev->mode) != CS_MODE_SYSFS)
+ if (coresight_get_mode(csdev) != CS_MODE_SYSFS)
return false;
csdev->refcnt--;
@@ -184,7 +184,7 @@ int coresight_enable_sysfs(struct coresight_device *csdev)
* coresight_enable_source() so can still race with Perf mode which
* doesn't hold coresight_mutex.
*/
- if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
+ if (coresight_get_mode(csdev) == CS_MODE_SYSFS) {
/*
* There could be multiple applications driving the software
* source. So keep the refcount for each such user when the
@@ -338,7 +338,7 @@ static ssize_t enable_source_show(struct device *dev,
guard(mutex)(&coresight_mutex);
return scnprintf(buf, PAGE_SIZE, "%u\n",
- local_read(&csdev->mode) == CS_MODE_SYSFS);
+ coresight_get_mode(csdev) == CS_MODE_SYSFS);
}
static ssize_t enable_source_store(struct device *dev,
diff --git a/drivers/hwtracing/coresight/coresight-tmc-core.c b/drivers/hwtracing/coresight/coresight-tmc-core.c
index e8b2bbed047f1..72005b0c633e5 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-core.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-core.c
@@ -558,7 +558,7 @@ static void tmc_shutdown(struct amba_device *adev)
spin_lock_irqsave(&drvdata->spinlock, flags);
- if (local_read(&drvdata->csdev->mode) == CS_MODE_DISABLED)
+ if (coresight_get_mode(drvdata->csdev) == CS_MODE_DISABLED)
goto out;
if (drvdata->config_type == TMC_CONFIG_TYPE_ETR)
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c
index f3281c958a570..77ef67c976e92 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etf.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c
@@ -89,7 +89,7 @@ static void __tmc_etb_disable_hw(struct tmc_drvdata *drvdata)
* When operating in sysFS mode the content of the buffer needs to be
* read before the TMC is disabled.
*/
- if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS)
+ if (coresight_get_mode(drvdata->csdev) == CS_MODE_SYSFS)
tmc_etb_dump_hw(drvdata);
tmc_disable_hw(drvdata);
@@ -205,7 +205,7 @@ static int tmc_enable_etf_sink_sysfs(struct coresight_device *csdev)
* sink is already enabled no memory is needed and the HW need not be
* touched.
*/
- if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
+ if (coresight_get_mode(csdev) == CS_MODE_SYSFS) {
csdev->refcnt++;
goto out;
}
@@ -262,7 +262,7 @@ static int tmc_enable_etf_sink_perf(struct coresight_device *csdev, void *data)
* No need to continue if the ETB/ETF is already operated
* from sysFS.
*/
- if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
+ if (coresight_get_mode(csdev) == CS_MODE_SYSFS) {
ret = -EBUSY;
break;
}
@@ -345,7 +345,7 @@ static int tmc_disable_etf_sink(struct coresight_device *csdev)
}
/* Complain if we (somehow) got out of sync */
- WARN_ON_ONCE(local_read(&csdev->mode) == CS_MODE_DISABLED);
+ WARN_ON_ONCE(coresight_get_mode(csdev) == CS_MODE_DISABLED);
tmc_etb_disable_hw(drvdata);
/* Dissociate from monitored process. */
drvdata->pid = -1;
@@ -485,7 +485,7 @@ static unsigned long tmc_update_etf_buffer(struct coresight_device *csdev,
return 0;
/* This shouldn't happen */
- if (WARN_ON_ONCE(local_read(&csdev->mode) != CS_MODE_PERF))
+ if (WARN_ON_ONCE(coresight_get_mode(csdev) != CS_MODE_PERF))
return 0;
spin_lock_irqsave(&drvdata->spinlock, flags);
@@ -631,7 +631,7 @@ int tmc_read_prepare_etb(struct tmc_drvdata *drvdata)
}
/* Don't interfere if operated from Perf */
- if (local_read(&drvdata->csdev->mode) == CS_MODE_PERF) {
+ if (coresight_get_mode(drvdata->csdev) == CS_MODE_PERF) {
ret = -EINVAL;
goto out;
}
@@ -643,7 +643,7 @@ int tmc_read_prepare_etb(struct tmc_drvdata *drvdata)
}
/* Disable the TMC if need be */
- if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS) {
+ if (coresight_get_mode(drvdata->csdev) == CS_MODE_SYSFS) {
/* There is no point in reading a TMC in HW FIFO mode */
mode = readl_relaxed(drvdata->base + TMC_MODE);
if (mode != TMC_MODE_CIRCULAR_BUFFER) {
@@ -675,7 +675,7 @@ int tmc_read_unprepare_etb(struct tmc_drvdata *drvdata)
spin_lock_irqsave(&drvdata->spinlock, flags);
/* Re-enable the TMC if need be */
- if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS) {
+ if (coresight_get_mode(drvdata->csdev) == CS_MODE_SYSFS) {
/* There is no point in reading a TMC in HW FIFO mode */
mode = readl_relaxed(drvdata->base + TMC_MODE);
if (mode != TMC_MODE_CIRCULAR_BUFFER) {
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c
index 88a0fc375b4db..383cb8647589d 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etr.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c
@@ -1143,7 +1143,7 @@ static void __tmc_etr_disable_hw(struct tmc_drvdata *drvdata)
* When operating in sysFS mode the content of the buffer needs to be
* read before the TMC is disabled.
*/
- if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS)
+ if (coresight_get_mode(drvdata->csdev) == CS_MODE_SYSFS)
tmc_etr_sync_sysfs_buf(drvdata);
tmc_disable_hw(drvdata);
@@ -1189,7 +1189,7 @@ static struct etr_buf *tmc_etr_get_sysfs_buffer(struct coresight_device *csdev)
spin_lock_irqsave(&drvdata->spinlock, flags);
}
- if (drvdata->reading || local_read(&csdev->mode) == CS_MODE_PERF) {
+ if (drvdata->reading || coresight_get_mode(csdev) == CS_MODE_PERF) {
ret = -EBUSY;
goto out;
}
@@ -1230,7 +1230,7 @@ static int tmc_enable_etr_sink_sysfs(struct coresight_device *csdev)
* sink is already enabled no memory is needed and the HW need not be
* touched, even if the buffer size has changed.
*/
- if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
+ if (coresight_get_mode(csdev) == CS_MODE_SYSFS) {
csdev->refcnt++;
goto out;
}
@@ -1652,7 +1652,7 @@ static int tmc_enable_etr_sink_perf(struct coresight_device *csdev, void *data)
spin_lock_irqsave(&drvdata->spinlock, flags);
/* Don't use this sink if it is already claimed by sysFS */
- if (local_read(&csdev->mode) == CS_MODE_SYSFS) {
+ if (coresight_get_mode(csdev) == CS_MODE_SYSFS) {
rc = -EBUSY;
goto unlock_out;
}
@@ -1726,7 +1726,7 @@ static int tmc_disable_etr_sink(struct coresight_device *csdev)
}
/* Complain if we (somehow) got out of sync */
- WARN_ON_ONCE(local_read(&csdev->mode) == CS_MODE_DISABLED);
+ WARN_ON_ONCE(coresight_get_mode(csdev) == CS_MODE_DISABLED);
tmc_etr_disable_hw(drvdata);
/* Dissociate from monitored process. */
drvdata->pid = -1;
@@ -1778,7 +1778,7 @@ int tmc_read_prepare_etr(struct tmc_drvdata *drvdata)
}
/* Disable the TMC if we are trying to read from a running session. */
- if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS)
+ if (coresight_get_mode(drvdata->csdev) == CS_MODE_SYSFS)
__tmc_etr_disable_hw(drvdata);
drvdata->reading = true;
@@ -1800,7 +1800,7 @@ int tmc_read_unprepare_etr(struct tmc_drvdata *drvdata)
spin_lock_irqsave(&drvdata->spinlock, flags);
/* RE-enable the TMC if need be */
- if (local_read(&drvdata->csdev->mode) == CS_MODE_SYSFS) {
+ if (coresight_get_mode(drvdata->csdev) == CS_MODE_SYSFS) {
/*
* The trace run will continue with the same allocated trace
* buffer. Since the tracer is still enabled drvdata::buf can't
diff --git a/drivers/hwtracing/coresight/ultrasoc-smb.c b/drivers/hwtracing/coresight/ultrasoc-smb.c
index a92c5b750f81e..903cfffe0bcd7 100644
--- a/drivers/hwtracing/coresight/ultrasoc-smb.c
+++ b/drivers/hwtracing/coresight/ultrasoc-smb.c
@@ -207,7 +207,7 @@ static void smb_enable_sysfs(struct coresight_device *csdev)
{
struct smb_drv_data *drvdata = dev_get_drvdata(csdev->dev.parent);
- if (local_read(&csdev->mode) != CS_MODE_DISABLED)
+ if (coresight_get_mode(csdev) != CS_MODE_DISABLED)
return;
smb_enable_hw(drvdata);
@@ -253,8 +253,8 @@ static int smb_enable(struct coresight_device *csdev, enum cs_mode mode,
return -EBUSY;
/* Do nothing, the SMB is already enabled as other mode */
- if (local_read(&csdev->mode) != CS_MODE_DISABLED &&
- local_read(&csdev->mode) != mode)
+ if (coresight_get_mode(csdev) != CS_MODE_DISABLED &&
+ coresight_get_mode(csdev) != mode)
return -EBUSY;
switch (mode) {
@@ -291,7 +291,7 @@ static int smb_disable(struct coresight_device *csdev)
return -EBUSY;
/* Complain if we (somehow) got out of sync */
- WARN_ON_ONCE(local_read(&csdev->mode) == CS_MODE_DISABLED);
+ WARN_ON_ONCE(coresight_get_mode(csdev) == CS_MODE_DISABLED);
smb_disable_hw(drvdata);
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 414bcbbdaf62e..a49e4e20e8998 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -591,6 +591,11 @@ static inline bool coresight_take_mode(struct coresight_device *csdev,
CS_MODE_DISABLED;
}
+static inline enum cs_mode coresight_get_mode(struct coresight_device *csdev)
+{
+ return local_read(&csdev->mode);
+}
+
extern struct coresight_device *
coresight_register(struct coresight_desc *desc);
extern void coresight_unregister(struct coresight_device *csdev);
--
GitLab
From bcaabb95f0c9883fb8e1112bd13eaba9cfd62c15 Mon Sep 17 00:00:00 2001
From: James Clark <james.clark@arm.com>
Date: Mon, 29 Jan 2024 15:40:43 +0000
Subject: [PATCH 0374/2686] coresight: Add helper for setting csdev->mode
Now that mode is in struct coresight_device, sets can be wrapped. This
also allows us to add a sanity check that there have been no concurrent
modifications of mode. Currently all usages of local_set() were inside
the device's spin locks so this new warning shouldn't be triggered.
coresight_take_mode() could maybe have been used in place of adding
the warning, but there may be use cases which set the mode to the same
mode which are valid but would fail in coresight_take_mode() because
it requires the device to only be in the disabled state.
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-13-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-etb10.c | 6 +++---
.../hwtracing/coresight/coresight-etm3x-core.c | 4 ++--
.../hwtracing/coresight/coresight-etm4x-core.c | 4 ++--
drivers/hwtracing/coresight/coresight-stm.c | 2 +-
drivers/hwtracing/coresight/coresight-tmc-etf.c | 10 +++++-----
drivers/hwtracing/coresight/coresight-tmc-etr.c | 6 +++---
drivers/hwtracing/coresight/ultrasoc-smb.c | 6 +++---
include/linux/coresight.h | 16 ++++++++++++++++
8 files changed, 35 insertions(+), 19 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index e3a54f7038ad4..3aab182b562f1 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -158,7 +158,7 @@ static int etb_enable_sysfs(struct coresight_device *csdev)
if (ret)
goto out;
- local_set(&csdev->mode, CS_MODE_SYSFS);
+ coresight_set_mode(csdev, CS_MODE_SYSFS);
}
csdev->refcnt++;
@@ -214,7 +214,7 @@ static int etb_enable_perf(struct coresight_device *csdev, void *data)
if (!ret) {
/* Associate with monitored process. */
drvdata->pid = pid;
- local_set(&drvdata->csdev->mode, CS_MODE_PERF);
+ coresight_set_mode(drvdata->csdev, CS_MODE_PERF);
csdev->refcnt++;
}
@@ -365,7 +365,7 @@ static int etb_disable(struct coresight_device *csdev)
etb_disable_hw(drvdata);
/* Dissociate from monitored process. */
drvdata->pid = -1;
- local_set(&csdev->mode, CS_MODE_DISABLED);
+ coresight_set_mode(csdev, CS_MODE_DISABLED);
spin_unlock_irqrestore(&drvdata->spinlock, flags);
dev_dbg(&csdev->dev, "ETB disabled\n");
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-core.c b/drivers/hwtracing/coresight/coresight-etm3x-core.c
index 64ff53887ef58..9d5c1391ffb12 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-core.c
@@ -576,7 +576,7 @@ static int etm_enable(struct coresight_device *csdev, struct perf_event *event,
/* The tracer didn't start */
if (ret)
- local_set(&drvdata->csdev->mode, CS_MODE_DISABLED);
+ coresight_set_mode(drvdata->csdev, CS_MODE_DISABLED);
return ret;
}
@@ -693,7 +693,7 @@ static void etm_disable(struct coresight_device *csdev,
}
if (mode)
- local_set(&csdev->mode, CS_MODE_DISABLED);
+ coresight_set_mode(csdev, CS_MODE_DISABLED);
}
static const struct coresight_ops_source etm_source_ops = {
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index e65232e982a78..f087bc8d1da6b 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -859,7 +859,7 @@ static int etm4_enable(struct coresight_device *csdev, struct perf_event *event,
/* The tracer didn't start */
if (ret)
- local_set(&csdev->mode, CS_MODE_DISABLED);
+ coresight_set_mode(csdev, CS_MODE_DISABLED);
return ret;
}
@@ -1021,7 +1021,7 @@ static void etm4_disable(struct coresight_device *csdev,
}
if (mode)
- local_set(&csdev->mode, CS_MODE_DISABLED);
+ coresight_set_mode(csdev, CS_MODE_DISABLED);
}
static const struct coresight_ops_source etm4_source_ops = {
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
index 1d02d42bea83f..974d37e5f94c0 100644
--- a/drivers/hwtracing/coresight/coresight-stm.c
+++ b/drivers/hwtracing/coresight/coresight-stm.c
@@ -272,7 +272,7 @@ static void stm_disable(struct coresight_device *csdev,
pm_runtime_put(csdev->dev.parent);
- local_set(&csdev->mode, CS_MODE_DISABLED);
+ coresight_set_mode(csdev, CS_MODE_DISABLED);
dev_dbg(&csdev->dev, "STM tracing disabled\n");
}
}
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c
index 77ef67c976e92..d4f641cd9de69 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etf.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c
@@ -228,7 +228,7 @@ static int tmc_enable_etf_sink_sysfs(struct coresight_device *csdev)
ret = tmc_etb_enable_hw(drvdata);
if (!ret) {
- local_set(&csdev->mode, CS_MODE_SYSFS);
+ coresight_set_mode(csdev, CS_MODE_SYSFS);
csdev->refcnt++;
} else {
/* Free up the buffer if we failed to enable */
@@ -292,7 +292,7 @@ static int tmc_enable_etf_sink_perf(struct coresight_device *csdev, void *data)
if (!ret) {
/* Associate with monitored process. */
drvdata->pid = pid;
- local_set(&csdev->mode, CS_MODE_PERF);
+ coresight_set_mode(csdev, CS_MODE_PERF);
csdev->refcnt++;
}
} while (0);
@@ -349,7 +349,7 @@ static int tmc_disable_etf_sink(struct coresight_device *csdev)
tmc_etb_disable_hw(drvdata);
/* Dissociate from monitored process. */
drvdata->pid = -1;
- local_set(&csdev->mode, CS_MODE_DISABLED);
+ coresight_set_mode(csdev, CS_MODE_DISABLED);
spin_unlock_irqrestore(&drvdata->spinlock, flags);
@@ -375,7 +375,7 @@ static int tmc_enable_etf_link(struct coresight_device *csdev,
if (csdev->refcnt == 0) {
ret = tmc_etf_enable_hw(drvdata);
if (!ret) {
- local_set(&csdev->mode, CS_MODE_SYSFS);
+ coresight_set_mode(csdev, CS_MODE_SYSFS);
first_enable = true;
}
}
@@ -405,7 +405,7 @@ static void tmc_disable_etf_link(struct coresight_device *csdev,
csdev->refcnt--;
if (csdev->refcnt == 0) {
tmc_etf_disable_hw(drvdata);
- local_set(&csdev->mode, CS_MODE_DISABLED);
+ coresight_set_mode(csdev, CS_MODE_DISABLED);
last_disable = true;
}
spin_unlock_irqrestore(&drvdata->spinlock, flags);
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c
index 383cb8647589d..e75428fa1592a 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etr.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c
@@ -1237,7 +1237,7 @@ static int tmc_enable_etr_sink_sysfs(struct coresight_device *csdev)
ret = tmc_etr_enable_hw(drvdata, sysfs_buf);
if (!ret) {
- local_set(&csdev->mode, CS_MODE_SYSFS);
+ coresight_set_mode(csdev, CS_MODE_SYSFS);
csdev->refcnt++;
}
@@ -1684,7 +1684,7 @@ static int tmc_enable_etr_sink_perf(struct coresight_device *csdev, void *data)
if (!rc) {
/* Associate with monitored process. */
drvdata->pid = pid;
- local_set(&csdev->mode, CS_MODE_PERF);
+ coresight_set_mode(csdev, CS_MODE_PERF);
drvdata->perf_buf = etr_perf->etr_buf;
csdev->refcnt++;
}
@@ -1730,7 +1730,7 @@ static int tmc_disable_etr_sink(struct coresight_device *csdev)
tmc_etr_disable_hw(drvdata);
/* Dissociate from monitored process. */
drvdata->pid = -1;
- local_set(&csdev->mode, CS_MODE_DISABLED);
+ coresight_set_mode(csdev, CS_MODE_DISABLED);
/* Reset perf specific data */
drvdata->perf_buf = NULL;
diff --git a/drivers/hwtracing/coresight/ultrasoc-smb.c b/drivers/hwtracing/coresight/ultrasoc-smb.c
index 903cfffe0bcd7..f9ebf20c91e63 100644
--- a/drivers/hwtracing/coresight/ultrasoc-smb.c
+++ b/drivers/hwtracing/coresight/ultrasoc-smb.c
@@ -211,7 +211,7 @@ static void smb_enable_sysfs(struct coresight_device *csdev)
return;
smb_enable_hw(drvdata);
- local_set(&csdev->mode, CS_MODE_SYSFS);
+ coresight_set_mode(csdev, CS_MODE_SYSFS);
}
static int smb_enable_perf(struct coresight_device *csdev, void *data)
@@ -234,7 +234,7 @@ static int smb_enable_perf(struct coresight_device *csdev, void *data)
if (drvdata->pid == -1) {
smb_enable_hw(drvdata);
drvdata->pid = pid;
- local_set(&csdev->mode, CS_MODE_PERF);
+ coresight_set_mode(csdev, CS_MODE_PERF);
}
return 0;
@@ -297,7 +297,7 @@ static int smb_disable(struct coresight_device *csdev)
/* Dissociate from the target process. */
drvdata->pid = -1;
- local_set(&csdev->mode, CS_MODE_DISABLED);
+ coresight_set_mode(csdev, CS_MODE_DISABLED);
dev_dbg(&csdev->dev, "Ultrasoc SMB disabled\n");
return 0;
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index a49e4e20e8998..5f288d475490c 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -596,6 +596,22 @@ static inline enum cs_mode coresight_get_mode(struct coresight_device *csdev)
return local_read(&csdev->mode);
}
+static inline void coresight_set_mode(struct coresight_device *csdev,
+ enum cs_mode new_mode)
+{
+ enum cs_mode current_mode = coresight_get_mode(csdev);
+
+ /*
+ * Changing to a new mode must be done from an already disabled state
+ * unless it's synchronized with coresight_take_mode(). Otherwise the
+ * device is already in use and signifies a locking issue.
+ */
+ WARN(new_mode != CS_MODE_DISABLED && current_mode != CS_MODE_DISABLED &&
+ current_mode != new_mode, "Device already in use\n");
+
+ local_set(&csdev->mode, new_mode);
+}
+
extern struct coresight_device *
coresight_register(struct coresight_desc *desc);
extern void coresight_unregister(struct coresight_device *csdev);
--
GitLab
From 9f0ea8e8344b8549af404f2f1ddb25e22d6b09e1 Mon Sep 17 00:00:00 2001
From: Tao Zhang <quic_taozha@quicinc.com>
Date: Sun, 4 Feb 2024 13:30:32 +0800
Subject: [PATCH 0375/2686] coresight-tpdm: Optimize the store function of tpdm
simple dataset
Replace spin lock/unlock to avoid forgetting to unlock when the
function exits. And refine methods for handling various conditions.
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-2-git-send-email-quic_taozha@quicinc.com
---
drivers/hwtracing/coresight/coresight-tpdm.c | 39 ++++++++++----------
1 file changed, 19 insertions(+), 20 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c
index bd13a548375ca..0427c0fc0bf33 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.c
+++ b/drivers/hwtracing/coresight/coresight-tpdm.c
@@ -77,51 +77,50 @@ static ssize_t tpdm_simple_dataset_store(struct device *dev,
size_t size)
{
unsigned long val;
- ssize_t ret = size;
+ ssize_t ret = -EINVAL;
struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);
struct tpdm_dataset_attribute *tpdm_attr =
container_of(attr, struct tpdm_dataset_attribute, attr);
if (kstrtoul(buf, 0, &val))
- return -EINVAL;
+ return ret;
- spin_lock(&drvdata->spinlock);
+ guard(spinlock)(&drvdata->spinlock);
switch (tpdm_attr->mem) {
case DSB_TRIG_PATT:
- if (tpdm_attr->idx < TPDM_DSB_MAX_PATT)
+ if (tpdm_attr->idx < TPDM_DSB_MAX_PATT) {
drvdata->dsb->trig_patt[tpdm_attr->idx] = val;
- else
- ret = -EINVAL;
+ ret = size;
+ }
break;
case DSB_TRIG_PATT_MASK:
- if (tpdm_attr->idx < TPDM_DSB_MAX_PATT)
+ if (tpdm_attr->idx < TPDM_DSB_MAX_PATT) {
drvdata->dsb->trig_patt_mask[tpdm_attr->idx] = val;
- else
- ret = -EINVAL;
+ ret = size;
+ }
break;
case DSB_PATT:
- if (tpdm_attr->idx < TPDM_DSB_MAX_PATT)
+ if (tpdm_attr->idx < TPDM_DSB_MAX_PATT) {
drvdata->dsb->patt_val[tpdm_attr->idx] = val;
- else
- ret = -EINVAL;
+ ret = size;
+ }
break;
case DSB_PATT_MASK:
- if (tpdm_attr->idx < TPDM_DSB_MAX_PATT)
+ if (tpdm_attr->idx < TPDM_DSB_MAX_PATT) {
drvdata->dsb->patt_mask[tpdm_attr->idx] = val;
- else
- ret = -EINVAL;
+ ret = size;
+ }
break;
case DSB_MSR:
- if (tpdm_attr->idx < drvdata->dsb_msr_num)
+ if (tpdm_attr->idx < drvdata->dsb_msr_num) {
drvdata->dsb->msr[tpdm_attr->idx] = val;
- else
- ret = -EINVAL;
+ ret = size;
+ }
break;
default:
- ret = -EINVAL;
+ break;
}
- spin_unlock(&drvdata->spinlock);
return ret;
}
--
GitLab
From f021801c418e7a81455a410a5b195961349d8e93 Mon Sep 17 00:00:00 2001
From: Tao Zhang <quic_taozha@quicinc.com>
Date: Sun, 4 Feb 2024 13:30:33 +0800
Subject: [PATCH 0376/2686] coresight-tpdm: Optimize the useage of
tpdm_has_dsb_dataset
Since the function tpdm_has_dsb_dataset will be called by TPDA
driver in subsequent patches, it is moved to the header file.
And move this judgement form the function __tpdm_{enable/disable}
to the beginning of the function tpdm_{enable/disable}_dsb.
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-3-git-send-email-quic_taozha@quicinc.com
---
drivers/hwtracing/coresight/coresight-tpdm.c | 30 +++++++++-----------
drivers/hwtracing/coresight/coresight-tpdm.h | 4 +++
2 files changed, 18 insertions(+), 16 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c
index 0427c0fc0bf33..4b1296d11360b 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.c
+++ b/drivers/hwtracing/coresight/coresight-tpdm.c
@@ -125,11 +125,6 @@ static ssize_t tpdm_simple_dataset_store(struct device *dev,
return ret;
}
-static bool tpdm_has_dsb_dataset(struct tpdm_drvdata *drvdata)
-{
- return (drvdata->datasets & TPDM_PIDR0_DS_DSB);
-}
-
static umode_t tpdm_dsb_is_visible(struct kobject *kobj,
struct attribute *attr, int n)
{
@@ -232,25 +227,27 @@ static void tpdm_enable_dsb(struct tpdm_drvdata *drvdata)
{
u32 val, i;
+ if (!tpdm_has_dsb_dataset(drvdata))
+ return;
+
for (i = 0; i < TPDM_DSB_MAX_EDCR; i++)
writel_relaxed(drvdata->dsb->edge_ctrl[i],
- drvdata->base + TPDM_DSB_EDCR(i));
+ drvdata->base + TPDM_DSB_EDCR(i));
for (i = 0; i < TPDM_DSB_MAX_EDCMR; i++)
writel_relaxed(drvdata->dsb->edge_ctrl_mask[i],
- drvdata->base + TPDM_DSB_EDCMR(i));
+ drvdata->base + TPDM_DSB_EDCMR(i));
for (i = 0; i < TPDM_DSB_MAX_PATT; i++) {
writel_relaxed(drvdata->dsb->patt_val[i],
- drvdata->base + TPDM_DSB_TPR(i));
+ drvdata->base + TPDM_DSB_TPR(i));
writel_relaxed(drvdata->dsb->patt_mask[i],
- drvdata->base + TPDM_DSB_TPMR(i));
+ drvdata->base + TPDM_DSB_TPMR(i));
writel_relaxed(drvdata->dsb->trig_patt[i],
- drvdata->base + TPDM_DSB_XPR(i));
+ drvdata->base + TPDM_DSB_XPR(i));
writel_relaxed(drvdata->dsb->trig_patt_mask[i],
- drvdata->base + TPDM_DSB_XPMR(i));
+ drvdata->base + TPDM_DSB_XPMR(i));
}
set_dsb_tier(drvdata);
-
set_dsb_msr(drvdata);
val = readl_relaxed(drvdata->base + TPDM_DSB_CR);
@@ -278,8 +275,7 @@ static void __tpdm_enable(struct tpdm_drvdata *drvdata)
{
CS_UNLOCK(drvdata->base);
- if (tpdm_has_dsb_dataset(drvdata))
- tpdm_enable_dsb(drvdata);
+ tpdm_enable_dsb(drvdata);
CS_LOCK(drvdata->base);
}
@@ -307,6 +303,9 @@ static void tpdm_disable_dsb(struct tpdm_drvdata *drvdata)
{
u32 val;
+ if (!tpdm_has_dsb_dataset(drvdata))
+ return;
+
/* Set the enable bit of DSB control register to 0 */
val = readl_relaxed(drvdata->base + TPDM_DSB_CR);
val &= ~TPDM_DSB_CR_ENA;
@@ -318,8 +317,7 @@ static void __tpdm_disable(struct tpdm_drvdata *drvdata)
{
CS_UNLOCK(drvdata->base);
- if (tpdm_has_dsb_dataset(drvdata))
- tpdm_disable_dsb(drvdata);
+ tpdm_disable_dsb(drvdata);
CS_LOCK(drvdata->base);
}
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.h b/drivers/hwtracing/coresight/coresight-tpdm.h
index 4115b2a17b8d8..ddaf333fa1c25 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.h
+++ b/drivers/hwtracing/coresight/coresight-tpdm.h
@@ -220,4 +220,8 @@ struct tpdm_dataset_attribute {
u32 idx;
};
+static bool tpdm_has_dsb_dataset(struct tpdm_drvdata *drvdata)
+{
+ return (drvdata->datasets & TPDM_PIDR0_DS_DSB);
+}
#endif /* _CORESIGHT_CORESIGHT_TPDM_H */
--
GitLab
From 4ed57f75898ce466ed60ce3c146290742985aa95 Mon Sep 17 00:00:00 2001
From: Tao Zhang <quic_taozha@quicinc.com>
Date: Sun, 4 Feb 2024 13:30:34 +0800
Subject: [PATCH 0377/2686] dt-bindings: arm: qcom,coresight-tpdm: Add support
for CMB element size
Add property "qcom,cmb-elem-bits" to support CMB(Continuous
Multi-Bit) element for TPDM. The associated aggregator will read
this size before it is enabled. CMB element size currently only
supports 8-bit, 32-bit and 64-bit. Because the existing example
tpdm "tpdm@684c000" which only supports dsb sub-unit, I introduce
a new example "tpdm@6c29000" to describe the usage of this new
property.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-4-git-send-email-quic_taozha@quicinc.com
---
.../bindings/arm/qcom,coresight-tpdm.yaml | 25 +++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
index 61ddc3b5b247b..2320b54459006 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
@@ -52,6 +52,14 @@ properties:
$ref: /schemas/types.yaml#/definitions/uint8
enum: [32, 64]
+ qcom,cmb-element-bits:
+ description:
+ Specifies the CMB(Continuous Multi-Bit) element size supported by
+ the monitor. The associated aggregator will read this size before it
+ is enabled. CMB element size currently only supports 8-bit, 32-bit
+ and 64-bit.
+ enum: [8, 32, 64]
+
qcom,dsb-msrs-num:
description:
Specifies the number of DSB(Discrete Single Bit) MSR(mux select register)
@@ -110,4 +118,21 @@ examples:
};
};
+ tpdm@6c29000 {
+ compatible = "qcom,coresight-tpdm", "arm,primecell";
+ reg = <0x06c29000 0x1000>;
+
+ qcom,cmb-element-bits = <64>;
+
+ clocks = <&aoss_qmp>;
+ clock-names = "apb_pclk";
+
+ out-ports {
+ port {
+ tpdm_ipcc_out_funnel_center: endpoint {
+ remote-endpoint = <&funnel_center_in_tpdm_ipcc>;
+ };
+ };
+ };
+ };
...
--
GitLab
From a1705ffcce5268eb95a5e716ee32c9d181b8c228 Mon Sep 17 00:00:00 2001
From: Tao Zhang <quic_taozha@quicinc.com>
Date: Sun, 4 Feb 2024 13:30:35 +0800
Subject: [PATCH 0378/2686] coresight-tpdm: Add CMB dataset support
CMB (continuous multi-bit) is one of TPDM's dataset type. CMB subunit
can be enabled for data collection by writing 1 to the first bit of
CMB_CR register. This change is to add enable/disable function for
CMB dataset by writing CMB_CR register.
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Jinlong Mao <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-5-git-send-email-quic_taozha@quicinc.com
---
drivers/hwtracing/coresight/coresight-tpdm.c | 28 ++++++++++++++++++++
drivers/hwtracing/coresight/coresight-tpdm.h | 13 +++++++++
2 files changed, 41 insertions(+)
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c
index 4b1296d11360b..1bb1d8e83501a 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.c
+++ b/drivers/hwtracing/coresight/coresight-tpdm.c
@@ -263,6 +263,19 @@ static void tpdm_enable_dsb(struct tpdm_drvdata *drvdata)
writel_relaxed(val, drvdata->base + TPDM_DSB_CR);
}
+static void tpdm_enable_cmb(struct tpdm_drvdata *drvdata)
+{
+ u32 val;
+
+ if (!tpdm_has_cmb_dataset(drvdata))
+ return;
+
+ val = readl_relaxed(drvdata->base + TPDM_CMB_CR);
+ /* Set the enable bit of CMB control register to 1 */
+ val |= TPDM_CMB_CR_ENA;
+ writel_relaxed(val, drvdata->base + TPDM_CMB_CR);
+}
+
/*
* TPDM enable operations
* The TPDM or Monitor serves as data collection component for various
@@ -276,6 +289,7 @@ static void __tpdm_enable(struct tpdm_drvdata *drvdata)
CS_UNLOCK(drvdata->base);
tpdm_enable_dsb(drvdata);
+ tpdm_enable_cmb(drvdata);
CS_LOCK(drvdata->base);
}
@@ -312,12 +326,26 @@ static void tpdm_disable_dsb(struct tpdm_drvdata *drvdata)
writel_relaxed(val, drvdata->base + TPDM_DSB_CR);
}
+static void tpdm_disable_cmb(struct tpdm_drvdata *drvdata)
+{
+ u32 val;
+
+ if (!tpdm_has_cmb_dataset(drvdata))
+ return;
+
+ val = readl_relaxed(drvdata->base + TPDM_CMB_CR);
+ /* Set the enable bit of CMB control register to 0 */
+ val &= ~TPDM_CMB_CR_ENA;
+ writel_relaxed(val, drvdata->base + TPDM_CMB_CR);
+}
+
/* TPDM disable operations */
static void __tpdm_disable(struct tpdm_drvdata *drvdata)
{
CS_UNLOCK(drvdata->base);
tpdm_disable_dsb(drvdata);
+ tpdm_disable_cmb(drvdata);
CS_LOCK(drvdata->base);
}
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.h b/drivers/hwtracing/coresight/coresight-tpdm.h
index ddaf333fa1c25..a442d9c6e4ac4 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.h
+++ b/drivers/hwtracing/coresight/coresight-tpdm.h
@@ -9,6 +9,12 @@
/* The max number of the datasets that TPDM supports */
#define TPDM_DATASETS 7
+/* CMB Subunit Registers */
+#define TPDM_CMB_CR (0xA00)
+
+/* Enable bit for CMB subunit */
+#define TPDM_CMB_CR_ENA BIT(0)
+
/* DSB Subunit Registers */
#define TPDM_DSB_CR (0x780)
#define TPDM_DSB_TIER (0x784)
@@ -79,10 +85,12 @@
*
* PERIPHIDR0[0] : Fix to 1 if ImplDef subunit present, else 0
* PERIPHIDR0[1] : Fix to 1 if DSB subunit present, else 0
+ * PERIPHIDR0[2] : Fix to 1 if CMB subunit present, else 0
*/
#define TPDM_PIDR0_DS_IMPDEF BIT(0)
#define TPDM_PIDR0_DS_DSB BIT(1)
+#define TPDM_PIDR0_DS_CMB BIT(2)
#define TPDM_DSB_MAX_LINES 256
/* MAX number of EDCR registers */
@@ -224,4 +232,9 @@ static bool tpdm_has_dsb_dataset(struct tpdm_drvdata *drvdata)
{
return (drvdata->datasets & TPDM_PIDR0_DS_DSB);
}
+
+static bool tpdm_has_cmb_dataset(struct tpdm_drvdata *drvdata)
+{
+ return (drvdata->datasets & TPDM_PIDR0_DS_CMB);
+}
#endif /* _CORESIGHT_CORESIGHT_TPDM_H */
--
GitLab
From e6d7f5252f73cf21d3676de794916204524f51b5 Mon Sep 17 00:00:00 2001
From: Tao Zhang <quic_taozha@quicinc.com>
Date: Sun, 4 Feb 2024 13:30:36 +0800
Subject: [PATCH 0379/2686] coresight-tpda: Add support to configure CMB
element
Read the CMB element size from the device tree. Set the register
bit that controls the CMB element size of the corresponding port.
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-6-git-send-email-quic_taozha@quicinc.com
---
drivers/hwtracing/coresight/coresight-tpda.c | 130 +++++++++++--------
drivers/hwtracing/coresight/coresight-tpda.h | 6 +
2 files changed, 81 insertions(+), 55 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-tpda.c b/drivers/hwtracing/coresight/coresight-tpda.c
index f8f6413cc7116..6863afe7ca940 100644
--- a/drivers/hwtracing/coresight/coresight-tpda.c
+++ b/drivers/hwtracing/coresight/coresight-tpda.c
@@ -18,6 +18,7 @@
#include "coresight-priv.h"
#include "coresight-tpda.h"
#include "coresight-trace-id.h"
+#include "coresight-tpdm.h"
DEFINE_CORESIGHT_DEVLIST(tpda_devs, "tpda");
@@ -28,24 +29,59 @@ static bool coresight_device_is_tpdm(struct coresight_device *csdev)
CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM);
}
+static void tpda_clear_element_size(struct coresight_device *csdev)
+{
+ struct tpda_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+
+ drvdata->dsb_esize = 0;
+ drvdata->cmb_esize = 0;
+}
+
+static void tpda_set_element_size(struct tpda_drvdata *drvdata, u32 *val)
+{
+ /* Clear all relevant fields */
+ *val &= ~(TPDA_Pn_CR_DSBSIZE | TPDA_Pn_CR_CMBSIZE);
+
+ if (drvdata->dsb_esize == 64)
+ *val |= TPDA_Pn_CR_DSBSIZE;
+ else if (drvdata->dsb_esize == 32)
+ *val &= ~TPDA_Pn_CR_DSBSIZE;
+
+ if (drvdata->cmb_esize == 64)
+ *val |= FIELD_PREP(TPDA_Pn_CR_CMBSIZE, 0x2);
+ else if (drvdata->cmb_esize == 32)
+ *val |= FIELD_PREP(TPDA_Pn_CR_CMBSIZE, 0x1);
+ else if (drvdata->cmb_esize == 8)
+ *val &= ~TPDA_Pn_CR_CMBSIZE;
+}
+
/*
- * Read the DSB element size from the TPDM device
+ * Read the element size from the TPDM device. One TPDM must have at least one of the
+ * element size property.
* Returns
- * The dsb element size read from the devicetree if available.
- * 0 - Otherwise, with a warning once.
+ * 0 - The element size property is read
+ * Others - Cannot read the property of the element size
*/
-static int tpdm_read_dsb_element_size(struct coresight_device *csdev)
+static int tpdm_read_element_size(struct tpda_drvdata *drvdata,
+ struct coresight_device *csdev)
{
- int rc = 0;
- u8 size = 0;
+ int rc = -EINVAL;
+ struct tpdm_drvdata *tpdm_data = dev_get_drvdata(csdev->dev.parent);
+
+ if (tpdm_has_dsb_dataset(tpdm_data)) {
+ rc = fwnode_property_read_u8(dev_fwnode(csdev->dev.parent),
+ "qcom,dsb-element-size", &drvdata->dsb_esize);
+ }
+ if (tpdm_has_cmb_dataset(tpdm_data)) {
+ rc = fwnode_property_read_u32(dev_fwnode(csdev->dev.parent),
+ "qcom,cmb-element-bits", &drvdata->cmb_esize);
+ }
- rc = fwnode_property_read_u8(dev_fwnode(csdev->dev.parent),
- "qcom,dsb-element-size", &size);
if (rc)
dev_warn_once(&csdev->dev,
- "Failed to read TPDM DSB Element size: %d\n", rc);
+ "Failed to read TPDM Element size: %d\n", rc);
- return size;
+ return rc;
}
/*
@@ -56,11 +92,12 @@ static int tpdm_read_dsb_element_size(struct coresight_device *csdev)
* Parameter "inport" is used to pass in the input port number
* of TPDA, and it is set to -1 in the recursize call.
*/
-static int tpda_get_element_size(struct coresight_device *csdev,
+static int tpda_get_element_size(struct tpda_drvdata *drvdata,
+ struct coresight_device *csdev,
int inport)
{
- int dsb_size = -ENOENT;
- int i, size;
+ int rc = 0;
+ int i;
struct coresight_device *in;
for (i = 0; i < csdev->pdata->nr_inconns; i++) {
@@ -69,30 +106,26 @@ static int tpda_get_element_size(struct coresight_device *csdev,
continue;
/* Ignore the paths that do not match port */
- if (inport > 0 &&
+ if (inport >= 0 &&
csdev->pdata->in_conns[i]->dest_port != inport)
continue;
if (coresight_device_is_tpdm(in)) {
- size = tpdm_read_dsb_element_size(in);
+ if (drvdata->dsb_esize || drvdata->cmb_esize)
+ return -EEXIST;
+ rc = tpdm_read_element_size(drvdata, in);
+ if (rc)
+ return rc;
} else {
/* Recurse down the path */
- size = tpda_get_element_size(in, -1);
- }
-
- if (size < 0)
- return size;
-
- if (dsb_size < 0) {
- /* Found a size, save it. */
- dsb_size = size;
- } else {
- /* Found duplicate TPDMs */
- return -EEXIST;
+ rc = tpda_get_element_size(drvdata, in, -1);
+ if (rc)
+ return rc;
}
}
- return dsb_size;
+
+ return rc;
}
/* Settings pre enabling port control register */
@@ -109,37 +142,24 @@ static void tpda_enable_pre_port(struct tpda_drvdata *drvdata)
static int tpda_enable_port(struct tpda_drvdata *drvdata, int port)
{
u32 val;
- int size;
+ int rc;
val = readl_relaxed(drvdata->base + TPDA_Pn_CR(port));
- /*
- * Configure aggregator port n DSB data set element size
- * Set the bit to 0 if the size is 32
- * Set the bit to 1 if the size is 64
- */
- size = tpda_get_element_size(drvdata->csdev, port);
- switch (size) {
- case 32:
- val &= ~TPDA_Pn_CR_DSBSIZE;
- break;
- case 64:
- val |= TPDA_Pn_CR_DSBSIZE;
- break;
- case 0:
- return -EEXIST;
- case -EEXIST:
+ tpda_clear_element_size(drvdata->csdev);
+ rc = tpda_get_element_size(drvdata, drvdata->csdev, port);
+ if (!rc && (drvdata->dsb_esize || drvdata->cmb_esize)) {
+ tpda_set_element_size(drvdata, &val);
+ /* Enable the port */
+ val |= TPDA_Pn_CR_ENA;
+ writel_relaxed(val, drvdata->base + TPDA_Pn_CR(port));
+ } else if (rc == -EEXIST)
dev_warn_once(&drvdata->csdev->dev,
- "Detected multiple TPDMs on port %d", -EEXIST);
- return -EEXIST;
- default:
- return -EINVAL;
- }
-
- /* Enable the port */
- val |= TPDA_Pn_CR_ENA;
- writel_relaxed(val, drvdata->base + TPDA_Pn_CR(port));
+ "Detected multiple TPDMs on port %d", port);
+ else
+ dev_warn_once(&drvdata->csdev->dev,
+ "Didn't find TPDM element size");
- return 0;
+ return rc;
}
static int __tpda_enable(struct tpda_drvdata *drvdata, int port)
diff --git a/drivers/hwtracing/coresight/coresight-tpda.h b/drivers/hwtracing/coresight/coresight-tpda.h
index b3b38fd41b64b..19af64120fcfb 100644
--- a/drivers/hwtracing/coresight/coresight-tpda.h
+++ b/drivers/hwtracing/coresight/coresight-tpda.h
@@ -10,6 +10,8 @@
#define TPDA_Pn_CR(n) (0x004 + (n * 4))
/* Aggregator port enable bit */
#define TPDA_Pn_CR_ENA BIT(0)
+/* Aggregator port CMB data set element size bit */
+#define TPDA_Pn_CR_CMBSIZE GENMASK(7, 6)
/* Aggregator port DSB data set element size bit */
#define TPDA_Pn_CR_DSBSIZE BIT(8)
@@ -25,6 +27,8 @@
* @csdev: component vitals needed by the framework.
* @spinlock: lock for the drvdata value.
* @enable: enable status of the component.
+ * @dsb_esize Record the DSB element size.
+ * @cmb_esize Record the CMB element size.
*/
struct tpda_drvdata {
void __iomem *base;
@@ -32,6 +36,8 @@ struct tpda_drvdata {
struct coresight_device *csdev;
spinlock_t spinlock;
u8 atid;
+ u8 dsb_esize;
+ u32 cmb_esize;
};
#endif /* _CORESIGHT_CORESIGHT_TPDA_H */
--
GitLab
From 2d9ab11c262e39f3bc829d0679257ab942d5878f Mon Sep 17 00:00:00 2001
From: Tao Zhang <quic_taozha@quicinc.com>
Date: Sun, 4 Feb 2024 13:30:37 +0800
Subject: [PATCH 0380/2686] coresight-tpdm: Add support to configure CMB
TPDM CMB subunits support two forms of CMB data set element creation:
continuous and trace-on-change collection mode. Continuous change
creates CMB data set elements on every CMBCLK edge. Trace-on-change
creates CMB data set elements only when a new data set element differs
in value from the previous element in a CMB data set. Set CMB_CR.MODE
to 0 for continuous CMB collection mode. Set CMB_CR.MODE to 1 for
trace-on-change CMB collection mode.
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Jinlong Mao <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-7-git-send-email-quic_taozha@quicinc.com
---
.../testing/sysfs-bus-coresight-devices-tpdm | 14 +++++
drivers/hwtracing/coresight/coresight-tpdm.c | 60 +++++++++++++++++++
drivers/hwtracing/coresight/coresight-tpdm.h | 12 ++++
3 files changed, 86 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
index 4dd49b159543b..6dfb18d6d64ae 100644
--- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
@@ -170,3 +170,17 @@ Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_t
Description:
(RW) Set/Get the MSR(mux select register) for the DSB subunit
TPDM.
+
+What: /sys/bus/coresight/devices/<tpdm-name>/cmb_mode
+Date: January 2024
+KernelVersion 6.9
+Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Description: (Write) Set the data collection mode of CMB tpdm. Continuous
+ change creates CMB data set elements on every CMBCLK edge.
+ Trace-on-change creates CMB data set elements only when a new
+ data set element differs in value from the previous element
+ in a CMB data set.
+
+ Accepts only one of the 2 values - 0 or 1.
+ 0 : Continuous CMB collection mode.
+ 1 : Trace-on-change CMB collection mode.
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c
index 1bb1d8e83501a..b200714603754 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.c
+++ b/drivers/hwtracing/coresight/coresight-tpdm.c
@@ -137,6 +137,18 @@ static umode_t tpdm_dsb_is_visible(struct kobject *kobj,
return 0;
}
+static umode_t tpdm_cmb_is_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);
+
+ if (drvdata && tpdm_has_cmb_dataset(drvdata))
+ return attr->mode;
+
+ return 0;
+}
+
static umode_t tpdm_dsb_msr_is_visible(struct kobject *kobj,
struct attribute *attr, int n)
{
@@ -161,6 +173,9 @@ static void tpdm_reset_datasets(struct tpdm_drvdata *drvdata)
drvdata->dsb->trig_ts = true;
drvdata->dsb->trig_type = false;
}
+
+ if (drvdata->cmb)
+ memset(drvdata->cmb, 0, sizeof(struct cmb_dataset));
}
static void set_dsb_mode(struct tpdm_drvdata *drvdata, u32 *val)
@@ -391,6 +406,12 @@ static int tpdm_datasets_setup(struct tpdm_drvdata *drvdata)
if (!drvdata->dsb)
return -ENOMEM;
}
+ if (tpdm_has_cmb_dataset(drvdata) && (!drvdata->cmb)) {
+ drvdata->cmb = devm_kzalloc(drvdata->dev,
+ sizeof(*drvdata->cmb), GFP_KERNEL);
+ if (!drvdata->cmb)
+ return -ENOMEM;
+ }
tpdm_reset_datasets(drvdata);
return 0;
@@ -729,6 +750,34 @@ static ssize_t dsb_trig_ts_store(struct device *dev,
}
static DEVICE_ATTR_RW(dsb_trig_ts);
+static ssize_t cmb_mode_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);
+
+ return sysfs_emit(buf, "%x\n", drvdata->cmb->trace_mode);
+
+}
+
+static ssize_t cmb_mode_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t size)
+{
+ struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);
+ unsigned long trace_mode;
+
+ if (kstrtoul(buf, 0, &trace_mode) || (trace_mode & ~1UL))
+ return -EINVAL;
+
+ spin_lock(&drvdata->spinlock);
+ drvdata->cmb->trace_mode = trace_mode;
+ spin_unlock(&drvdata->spinlock);
+ return size;
+}
+static DEVICE_ATTR_RW(cmb_mode);
+
static struct attribute *tpdm_dsb_edge_attrs[] = {
&dev_attr_ctrl_idx.attr,
&dev_attr_ctrl_val.attr,
@@ -845,6 +894,11 @@ static struct attribute *tpdm_dsb_attrs[] = {
NULL,
};
+static struct attribute *tpdm_cmb_attrs[] = {
+ &dev_attr_cmb_mode.attr,
+ NULL,
+};
+
static struct attribute_group tpdm_dsb_attr_grp = {
.attrs = tpdm_dsb_attrs,
.is_visible = tpdm_dsb_is_visible,
@@ -874,6 +928,11 @@ static struct attribute_group tpdm_dsb_msr_grp = {
.name = "dsb_msr",
};
+static struct attribute_group tpdm_cmb_attr_grp = {
+ .attrs = tpdm_cmb_attrs,
+ .is_visible = tpdm_cmb_is_visible,
+};
+
static const struct attribute_group *tpdm_attr_grps[] = {
&tpdm_attr_grp,
&tpdm_dsb_attr_grp,
@@ -881,6 +940,7 @@ static const struct attribute_group *tpdm_attr_grps[] = {
&tpdm_dsb_trig_patt_grp,
&tpdm_dsb_patt_grp,
&tpdm_dsb_msr_grp,
+ &tpdm_cmb_attr_grp,
NULL,
};
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.h b/drivers/hwtracing/coresight/coresight-tpdm.h
index a442d9c6e4ac4..2af92c270ed12 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.h
+++ b/drivers/hwtracing/coresight/coresight-tpdm.h
@@ -14,6 +14,8 @@
/* Enable bit for CMB subunit */
#define TPDM_CMB_CR_ENA BIT(0)
+/* Trace collection mode for CMB subunit */
+#define TPDM_CMB_CR_MODE BIT(1)
/* DSB Subunit Registers */
#define TPDM_DSB_CR (0x780)
@@ -181,6 +183,14 @@ struct dsb_dataset {
bool trig_type;
};
+/**
+ * struct cmb_dataset
+ * @trace_mode: Dataset collection mode
+ */
+struct cmb_dataset {
+ u32 trace_mode;
+};
+
/**
* struct tpdm_drvdata - specifics associated to an TPDM component
* @base: memory mapped base address for this component.
@@ -190,6 +200,7 @@ struct dsb_dataset {
* @enable: enable status of the component.
* @datasets: The datasets types present of the TPDM.
* @dsb Specifics associated to TPDM DSB.
+ * @cmb Specifics associated to TPDM CMB.
* @dsb_msr_num Number of MSR supported by DSB TPDM
*/
@@ -201,6 +212,7 @@ struct tpdm_drvdata {
bool enable;
unsigned long datasets;
struct dsb_dataset *dsb;
+ struct cmb_dataset *cmb;
u32 dsb_msr_num;
};
--
GitLab
From 53d4a017a52458d835a1f9524df09c65c2208400 Mon Sep 17 00:00:00 2001
From: Tao Zhang <quic_taozha@quicinc.com>
Date: Sun, 4 Feb 2024 13:30:38 +0800
Subject: [PATCH 0381/2686] coresight-tpdm: Add pattern registers support for
CMB
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Timestamps are requested if the monitor’s CMB data set unit input
data matches the value in the Monitor CMB timestamp pattern and mask
registers (M_CMB_TPR and M_CMB_TPMR) when CMB timestamp enabled
via the timestamp insertion enable register bit(CMB_TIER.PATT_TSENAB).
The pattern match trigger output is achieved via setting values into
the CMB trigger pattern and mask registers (CMB_XPR and CMB_XPMR).
After configuring a pattern through these registers, the TPDM subunit
will assert an output trigger every time it receives new input data
that matches the configured pattern value. Values in a given bit
number of the mask register correspond to the same bit number in
the corresponding pattern register.
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Jinlong Mao <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-8-git-send-email-quic_taozha@quicinc.com
---
.../testing/sysfs-bus-coresight-devices-tpdm | 30 ++++++
drivers/hwtracing/coresight/coresight-tpdm.c | 96 ++++++++++++++++++-
drivers/hwtracing/coresight/coresight-tpdm.h | 39 ++++++++
3 files changed, 164 insertions(+), 1 deletion(-)
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
index 6dfb18d6d64ae..b6cf050861edf 100644
--- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
@@ -184,3 +184,33 @@ Description: (Write) Set the data collection mode of CMB tpdm. Continuous
Accepts only one of the 2 values - 0 or 1.
0 : Continuous CMB collection mode.
1 : Trace-on-change CMB collection mode.
+
+What: /sys/bus/coresight/devices/<tpdm-name>/cmb_trig_patt/xpr[0:1]
+Date: January 2024
+KernelVersion 6.9
+Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Description:
+ (RW) Set/Get the value of the trigger pattern for the CMB
+ subunit TPDM.
+
+What: /sys/bus/coresight/devices/<tpdm-name>/cmb_trig_patt/xpmr[0:1]
+Date: January 2024
+KernelVersion 6.9
+Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Description:
+ (RW) Set/Get the mask of the trigger pattern for the CMB
+ subunit TPDM.
+
+What: /sys/bus/coresight/devices/<tpdm-name>/dsb_patt/tpr[0:1]
+Date: January 2024
+KernelVersion 6.9
+Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Description:
+ (RW) Set/Get the value of the pattern for the CMB subunit TPDM.
+
+What: /sys/bus/coresight/devices/<tpdm-name>/dsb_patt/tpmr[0:1]
+Date: January 2024
+KernelVersion 6.9
+Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Description:
+ (RW) Set/Get the mask of the pattern for the CMB subunit TPDM.
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c
index b200714603754..07587287d9fac 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.c
+++ b/drivers/hwtracing/coresight/coresight-tpdm.c
@@ -66,6 +66,26 @@ static ssize_t tpdm_simple_dataset_show(struct device *dev,
return -EINVAL;
return sysfs_emit(buf, "0x%x\n",
drvdata->dsb->msr[tpdm_attr->idx]);
+ case CMB_TRIG_PATT:
+ if (tpdm_attr->idx >= TPDM_CMB_MAX_PATT)
+ return -EINVAL;
+ return sysfs_emit(buf, "0x%x\n",
+ drvdata->cmb->trig_patt[tpdm_attr->idx]);
+ case CMB_TRIG_PATT_MASK:
+ if (tpdm_attr->idx >= TPDM_CMB_MAX_PATT)
+ return -EINVAL;
+ return sysfs_emit(buf, "0x%x\n",
+ drvdata->cmb->trig_patt_mask[tpdm_attr->idx]);
+ case CMB_PATT:
+ if (tpdm_attr->idx >= TPDM_CMB_MAX_PATT)
+ return -EINVAL;
+ return sysfs_emit(buf, "0x%x\n",
+ drvdata->cmb->patt_val[tpdm_attr->idx]);
+ case CMB_PATT_MASK:
+ if (tpdm_attr->idx >= TPDM_CMB_MAX_PATT)
+ return -EINVAL;
+ return sysfs_emit(buf, "0x%x\n",
+ drvdata->cmb->patt_mask[tpdm_attr->idx]);
}
return -EINVAL;
}
@@ -118,6 +138,30 @@ static ssize_t tpdm_simple_dataset_store(struct device *dev,
ret = size;
}
break;
+ case CMB_TRIG_PATT:
+ if (tpdm_attr->idx < TPDM_CMB_MAX_PATT) {
+ drvdata->cmb->trig_patt[tpdm_attr->idx] = val;
+ ret = size;
+ }
+ break;
+ case CMB_TRIG_PATT_MASK:
+ if (tpdm_attr->idx < TPDM_CMB_MAX_PATT) {
+ drvdata->cmb->trig_patt_mask[tpdm_attr->idx] = val;
+ ret = size;
+ }
+ break;
+ case CMB_PATT:
+ if (tpdm_attr->idx < TPDM_CMB_MAX_PATT) {
+ drvdata->cmb->patt_val[tpdm_attr->idx] = val;
+ ret = size;
+ }
+ break;
+ case CMB_PATT_MASK:
+ if (tpdm_attr->idx < TPDM_CMB_MAX_PATT) {
+ drvdata->cmb->patt_mask[tpdm_attr->idx] = val;
+ ret = size;
+ }
+ break;
default:
break;
}
@@ -280,12 +324,32 @@ static void tpdm_enable_dsb(struct tpdm_drvdata *drvdata)
static void tpdm_enable_cmb(struct tpdm_drvdata *drvdata)
{
- u32 val;
+ u32 val, i;
if (!tpdm_has_cmb_dataset(drvdata))
return;
+ /* Configure pattern registers */
+ for (i = 0; i < TPDM_CMB_MAX_PATT; i++) {
+ writel_relaxed(drvdata->cmb->patt_val[i],
+ drvdata->base + TPDM_CMB_TPR(i));
+ writel_relaxed(drvdata->cmb->patt_mask[i],
+ drvdata->base + TPDM_CMB_TPMR(i));
+ writel_relaxed(drvdata->cmb->trig_patt[i],
+ drvdata->base + TPDM_CMB_XPR(i));
+ writel_relaxed(drvdata->cmb->trig_patt_mask[i],
+ drvdata->base + TPDM_CMB_XPMR(i));
+ }
+
val = readl_relaxed(drvdata->base + TPDM_CMB_CR);
+ /*
+ * Set to 0 for continuous CMB collection mode,
+ * 1 for trace-on-change CMB collection mode.
+ */
+ if (drvdata->cmb->trace_mode)
+ val |= TPDM_CMB_CR_MODE;
+ else
+ val &= ~TPDM_CMB_CR_MODE;
/* Set the enable bit of CMB control register to 1 */
val |= TPDM_CMB_CR_ENA;
writel_relaxed(val, drvdata->base + TPDM_CMB_CR);
@@ -887,6 +951,22 @@ static struct attribute *tpdm_dsb_msr_attrs[] = {
NULL,
};
+static struct attribute *tpdm_cmb_trig_patt_attrs[] = {
+ CMB_TRIG_PATT_ATTR(0),
+ CMB_TRIG_PATT_ATTR(1),
+ CMB_TRIG_PATT_MASK_ATTR(0),
+ CMB_TRIG_PATT_MASK_ATTR(1),
+ NULL,
+};
+
+static struct attribute *tpdm_cmb_patt_attrs[] = {
+ CMB_PATT_ATTR(0),
+ CMB_PATT_ATTR(1),
+ CMB_PATT_MASK_ATTR(0),
+ CMB_PATT_MASK_ATTR(1),
+ NULL,
+};
+
static struct attribute *tpdm_dsb_attrs[] = {
&dev_attr_dsb_mode.attr,
&dev_attr_dsb_trig_ts.attr,
@@ -933,6 +1013,18 @@ static struct attribute_group tpdm_cmb_attr_grp = {
.is_visible = tpdm_cmb_is_visible,
};
+static struct attribute_group tpdm_cmb_trig_patt_grp = {
+ .attrs = tpdm_cmb_trig_patt_attrs,
+ .is_visible = tpdm_cmb_is_visible,
+ .name = "cmb_trig_patt",
+};
+
+static struct attribute_group tpdm_cmb_patt_grp = {
+ .attrs = tpdm_cmb_patt_attrs,
+ .is_visible = tpdm_cmb_is_visible,
+ .name = "cmb_patt",
+};
+
static const struct attribute_group *tpdm_attr_grps[] = {
&tpdm_attr_grp,
&tpdm_dsb_attr_grp,
@@ -941,6 +1033,8 @@ static const struct attribute_group *tpdm_attr_grps[] = {
&tpdm_dsb_patt_grp,
&tpdm_dsb_msr_grp,
&tpdm_cmb_attr_grp,
+ &tpdm_cmb_trig_patt_grp,
+ &tpdm_cmb_patt_grp,
NULL,
};
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.h b/drivers/hwtracing/coresight/coresight-tpdm.h
index 2af92c270ed12..e5d4c22cd38c3 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.h
+++ b/drivers/hwtracing/coresight/coresight-tpdm.h
@@ -11,12 +11,23 @@
/* CMB Subunit Registers */
#define TPDM_CMB_CR (0xA00)
+/* CMB subunit timestamp pattern registers */
+#define TPDM_CMB_TPR(n) (0xA08 + (n * 4))
+/* CMB subunit timestamp pattern mask registers */
+#define TPDM_CMB_TPMR(n) (0xA10 + (n * 4))
+/* CMB subunit trigger pattern registers */
+#define TPDM_CMB_XPR(n) (0xA18 + (n * 4))
+/* CMB subunit trigger pattern mask registers */
+#define TPDM_CMB_XPMR(n) (0xA20 + (n * 4))
/* Enable bit for CMB subunit */
#define TPDM_CMB_CR_ENA BIT(0)
/* Trace collection mode for CMB subunit */
#define TPDM_CMB_CR_MODE BIT(1)
+/* Patten register number */
+#define TPDM_CMB_MAX_PATT 2
+
/* DSB Subunit Registers */
#define TPDM_DSB_CR (0x780)
#define TPDM_DSB_TIER (0x784)
@@ -151,6 +162,22 @@
tpdm_simple_dataset_rw(msr##nr, \
DSB_MSR, nr)
+#define CMB_TRIG_PATT_ATTR(nr) \
+ tpdm_simple_dataset_rw(xpr##nr, \
+ CMB_TRIG_PATT, nr)
+
+#define CMB_TRIG_PATT_MASK_ATTR(nr) \
+ tpdm_simple_dataset_rw(xpmr##nr, \
+ CMB_TRIG_PATT_MASK, nr)
+
+#define CMB_PATT_ATTR(nr) \
+ tpdm_simple_dataset_rw(tpr##nr, \
+ CMB_PATT, nr)
+
+#define CMB_PATT_MASK_ATTR(nr) \
+ tpdm_simple_dataset_rw(tpmr##nr, \
+ CMB_PATT_MASK, nr)
+
/**
* struct dsb_dataset - specifics associated to dsb dataset
* @mode: DSB programming mode
@@ -186,9 +213,17 @@ struct dsb_dataset {
/**
* struct cmb_dataset
* @trace_mode: Dataset collection mode
+ * @patt_val: Save value for pattern
+ * @patt_mask: Save value for pattern mask
+ * @trig_patt: Save value for trigger pattern
+ * @trig_patt_mask: Save value for trigger pattern mask
*/
struct cmb_dataset {
u32 trace_mode;
+ u32 patt_val[TPDM_CMB_MAX_PATT];
+ u32 patt_mask[TPDM_CMB_MAX_PATT];
+ u32 trig_patt[TPDM_CMB_MAX_PATT];
+ u32 trig_patt_mask[TPDM_CMB_MAX_PATT];
};
/**
@@ -225,6 +260,10 @@ enum dataset_mem {
DSB_PATT,
DSB_PATT_MASK,
DSB_MSR,
+ CMB_TRIG_PATT,
+ CMB_TRIG_PATT_MASK,
+ CMB_PATT,
+ CMB_PATT_MASK
};
/**
--
GitLab
From dc6ce57e2aa0b10b0b78517245ea0ba47eed75b1 Mon Sep 17 00:00:00 2001
From: Tao Zhang <quic_taozha@quicinc.com>
Date: Sun, 4 Feb 2024 13:30:39 +0800
Subject: [PATCH 0382/2686] coresight-tpdm: Add timestamp control register
support for the CMB
CMB_TIER register is CMB subunit timestamp insertion enable register.
Bit 0 is PATT_TSENAB bit. Set this bit to 1 to request a timestamp
following a CMB interface pattern match. Bit 1 is XTRIG_TSENAB bit.
Set this bit to 1 to request a timestamp following a CMB CTI timestamp
request. Bit 2 is TS_ALL bit. Set this bit to 1 to request timestamp
for all packets.
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Jinlong Mao <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-9-git-send-email-quic_taozha@quicinc.com
---
.../testing/sysfs-bus-coresight-devices-tpdm | 35 +++++
drivers/hwtracing/coresight/coresight-tpdm.c | 121 +++++++++++++++++-
drivers/hwtracing/coresight/coresight-tpdm.h | 31 +++++
3 files changed, 180 insertions(+), 7 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
index b6cf050861edf..e8c76ce4dd155 100644
--- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
@@ -214,3 +214,38 @@ KernelVersion 6.9
Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
Description:
(RW) Set/Get the mask of the pattern for the CMB subunit TPDM.
+
+What: /sys/bus/coresight/devices/<tpdm-name>/cmb_patt/enable_ts
+Date: January 2024
+KernelVersion 6.9
+Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Description:
+ (Write) Set the pattern timestamp of CMB tpdm. Read
+ the pattern timestamp of CMB tpdm.
+
+ Accepts only one of the 2 values - 0 or 1.
+ 0 : Disable CMB pattern timestamp.
+ 1 : Enable CMB pattern timestamp.
+
+What: /sys/bus/coresight/devices/<tpdm-name>/cmb_trig_ts
+Date: January 2024
+KernelVersion 6.9
+Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Description:
+ (RW) Set/Get the trigger timestamp of the CMB for tpdm.
+
+ Accepts only one of the 2 values - 0 or 1.
+ 0 : Set the CMB trigger type to false
+ 1 : Set the CMB trigger type to true
+
+What: /sys/bus/coresight/devices/<tpdm-name>/cmb_ts_all
+Date: January 2024
+KernelVersion 6.9
+Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Description:
+ (RW) Read or write the status of timestamp upon all interface.
+ Only value 0 and 1 can be written to this node. Set this node to 1 to requeset
+ timestamp to all trace packet.
+ Accepts only one of the 2 values - 0 or 1.
+ 0 : Disable the timestamp of all trace packets.
+ 1 : Enable the timestamp of all trace packets.
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c
index 07587287d9fac..22966d541230a 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.c
+++ b/drivers/hwtracing/coresight/coresight-tpdm.c
@@ -322,6 +322,31 @@ static void tpdm_enable_dsb(struct tpdm_drvdata *drvdata)
writel_relaxed(val, drvdata->base + TPDM_DSB_CR);
}
+static void set_cmb_tier(struct tpdm_drvdata *drvdata)
+{
+ u32 val;
+
+ val = readl_relaxed(drvdata->base + TPDM_CMB_TIER);
+
+ /* Clear all relevant fields */
+ val &= ~(TPDM_CMB_TIER_PATT_TSENAB | TPDM_CMB_TIER_TS_ALL |
+ TPDM_CMB_TIER_XTRIG_TSENAB);
+
+ /* Set pattern timestamp type and enablement */
+ if (drvdata->cmb->patt_ts)
+ val |= TPDM_CMB_TIER_PATT_TSENAB;
+
+ /* Set trigger timestamp */
+ if (drvdata->cmb->trig_ts)
+ val |= TPDM_CMB_TIER_XTRIG_TSENAB;
+
+ /* Set all timestamp enablement*/
+ if (drvdata->cmb->ts_all)
+ val |= TPDM_CMB_TIER_TS_ALL;
+
+ writel_relaxed(val, drvdata->base + TPDM_CMB_TIER);
+}
+
static void tpdm_enable_cmb(struct tpdm_drvdata *drvdata)
{
u32 val, i;
@@ -341,6 +366,8 @@ static void tpdm_enable_cmb(struct tpdm_drvdata *drvdata)
drvdata->base + TPDM_CMB_XPMR(i));
}
+ set_cmb_tier(drvdata);
+
val = readl_relaxed(drvdata->base + TPDM_CMB_CR);
/*
* Set to 0 for continuous CMB collection mode,
@@ -687,9 +714,18 @@ static ssize_t enable_ts_show(struct device *dev,
char *buf)
{
struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);
+ struct tpdm_dataset_attribute *tpdm_attr =
+ container_of(attr, struct tpdm_dataset_attribute, attr);
+ ssize_t size = -EINVAL;
- return sysfs_emit(buf, "%u\n",
- (unsigned int)drvdata->dsb->patt_ts);
+ if (tpdm_attr->mem == DSB_PATT)
+ size = sysfs_emit(buf, "%u\n",
+ (unsigned int)drvdata->dsb->patt_ts);
+ else if (tpdm_attr->mem == CMB_PATT)
+ size = sysfs_emit(buf, "%u\n",
+ (unsigned int)drvdata->cmb->patt_ts);
+
+ return size;
}
/*
@@ -701,17 +737,23 @@ static ssize_t enable_ts_store(struct device *dev,
size_t size)
{
struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);
+ struct tpdm_dataset_attribute *tpdm_attr =
+ container_of(attr, struct tpdm_dataset_attribute, attr);
unsigned long val;
if ((kstrtoul(buf, 0, &val)) || (val & ~1UL))
return -EINVAL;
- spin_lock(&drvdata->spinlock);
- drvdata->dsb->patt_ts = !!val;
- spin_unlock(&drvdata->spinlock);
+ guard(spinlock)(&drvdata->spinlock);
+ if (tpdm_attr->mem == DSB_PATT)
+ drvdata->dsb->patt_ts = !!val;
+ else if (tpdm_attr->mem == CMB_PATT)
+ drvdata->cmb->patt_ts = !!val;
+ else
+ return -EINVAL;
+
return size;
}
-static DEVICE_ATTR_RW(enable_ts);
static ssize_t set_type_show(struct device *dev,
struct device_attribute *attr,
@@ -842,6 +884,68 @@ static ssize_t cmb_mode_store(struct device *dev,
}
static DEVICE_ATTR_RW(cmb_mode);
+static ssize_t cmb_ts_all_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);
+
+ return sysfs_emit(buf, "%u\n",
+ (unsigned int)drvdata->cmb->ts_all);
+}
+
+static ssize_t cmb_ts_all_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t size)
+{
+ struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);
+ unsigned long val;
+
+ if ((kstrtoul(buf, 0, &val)) || (val & ~1UL))
+ return -EINVAL;
+
+ guard(spinlock)(&drvdata->spinlock);
+ if (val)
+ drvdata->cmb->ts_all = true;
+ else
+ drvdata->cmb->ts_all = false;
+
+ return size;
+}
+static DEVICE_ATTR_RW(cmb_ts_all);
+
+static ssize_t cmb_trig_ts_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);
+
+ return sysfs_emit(buf, "%u\n",
+ (unsigned int)drvdata->cmb->trig_ts);
+}
+
+static ssize_t cmb_trig_ts_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t size)
+{
+ struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);
+ unsigned long val;
+
+ if ((kstrtoul(buf, 0, &val)) || (val & ~1UL))
+ return -EINVAL;
+
+ guard(spinlock)(&drvdata->spinlock);
+ if (val)
+ drvdata->cmb->trig_ts = true;
+ else
+ drvdata->cmb->trig_ts = false;
+
+ return size;
+}
+static DEVICE_ATTR_RW(cmb_trig_ts);
+
static struct attribute *tpdm_dsb_edge_attrs[] = {
&dev_attr_ctrl_idx.attr,
&dev_attr_ctrl_val.attr,
@@ -910,7 +1014,7 @@ static struct attribute *tpdm_dsb_patt_attrs[] = {
DSB_PATT_MASK_ATTR(5),
DSB_PATT_MASK_ATTR(6),
DSB_PATT_MASK_ATTR(7),
- &dev_attr_enable_ts.attr,
+ DSB_PATT_ENABLE_TS,
&dev_attr_set_type.attr,
NULL,
};
@@ -964,6 +1068,7 @@ static struct attribute *tpdm_cmb_patt_attrs[] = {
CMB_PATT_ATTR(1),
CMB_PATT_MASK_ATTR(0),
CMB_PATT_MASK_ATTR(1),
+ CMB_PATT_ENABLE_TS,
NULL,
};
@@ -976,6 +1081,8 @@ static struct attribute *tpdm_dsb_attrs[] = {
static struct attribute *tpdm_cmb_attrs[] = {
&dev_attr_cmb_mode.attr,
+ &dev_attr_cmb_ts_all.attr,
+ &dev_attr_cmb_trig_ts.attr,
NULL,
};
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.h b/drivers/hwtracing/coresight/coresight-tpdm.h
index e5d4c22cd38c3..6d1fe4aed7d03 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.h
+++ b/drivers/hwtracing/coresight/coresight-tpdm.h
@@ -11,6 +11,8 @@
/* CMB Subunit Registers */
#define TPDM_CMB_CR (0xA00)
+/* CMB subunit timestamp insertion enable register */
+#define TPDM_CMB_TIER (0xA04)
/* CMB subunit timestamp pattern registers */
#define TPDM_CMB_TPR(n) (0xA08 + (n * 4))
/* CMB subunit timestamp pattern mask registers */
@@ -24,6 +26,12 @@
#define TPDM_CMB_CR_ENA BIT(0)
/* Trace collection mode for CMB subunit */
#define TPDM_CMB_CR_MODE BIT(1)
+/* Timestamp control for pattern match */
+#define TPDM_CMB_TIER_PATT_TSENAB BIT(0)
+/* CMB CTI timestamp request */
+#define TPDM_CMB_TIER_XTRIG_TSENAB BIT(1)
+/* For timestamp fo all trace */
+#define TPDM_CMB_TIER_TS_ALL BIT(2)
/* Patten register number */
#define TPDM_CMB_MAX_PATT 2
@@ -134,6 +142,15 @@
} \
})[0].attr.attr)
+#define tpdm_patt_enable_ts(name, mem) \
+ (&((struct tpdm_dataset_attribute[]) { \
+ { \
+ __ATTR(name, 0644, enable_ts_show, \
+ enable_ts_store), \
+ mem, \
+ } \
+ })[0].attr.attr)
+
#define DSB_EDGE_CTRL_ATTR(nr) \
tpdm_simple_dataset_ro(edcr##nr, \
DSB_EDGE_CTRL, nr)
@@ -158,6 +175,10 @@
tpdm_simple_dataset_rw(tpmr##nr, \
DSB_PATT_MASK, nr)
+#define DSB_PATT_ENABLE_TS \
+ tpdm_patt_enable_ts(enable_ts, \
+ DSB_PATT)
+
#define DSB_MSR_ATTR(nr) \
tpdm_simple_dataset_rw(msr##nr, \
DSB_MSR, nr)
@@ -178,6 +199,10 @@
tpdm_simple_dataset_rw(tpmr##nr, \
CMB_PATT_MASK, nr)
+#define CMB_PATT_ENABLE_TS \
+ tpdm_patt_enable_ts(enable_ts, \
+ CMB_PATT)
+
/**
* struct dsb_dataset - specifics associated to dsb dataset
* @mode: DSB programming mode
@@ -217,6 +242,9 @@ struct dsb_dataset {
* @patt_mask: Save value for pattern mask
* @trig_patt: Save value for trigger pattern
* @trig_patt_mask: Save value for trigger pattern mask
+ * @patt_ts: Indicates if pattern match for timestamp is enabled.
+ * @trig_ts: Indicates if CTI trigger for timestamp is enabled.
+ * @ts_all: Indicates if timestamp is enabled for all packets.
*/
struct cmb_dataset {
u32 trace_mode;
@@ -224,6 +252,9 @@ struct cmb_dataset {
u32 patt_mask[TPDM_CMB_MAX_PATT];
u32 trig_patt[TPDM_CMB_MAX_PATT];
u32 trig_patt_mask[TPDM_CMB_MAX_PATT];
+ bool patt_ts;
+ bool trig_ts;
+ bool ts_all;
};
/**
--
GitLab
From 19bfaff3845727f354079a140f092336d97e5c1e Mon Sep 17 00:00:00 2001
From: Tao Zhang <quic_taozha@quicinc.com>
Date: Sun, 4 Feb 2024 13:30:40 +0800
Subject: [PATCH 0383/2686] dt-bindings: arm: qcom,coresight-tpdm: Add support
for TPDM CMB MSR register
Add property "qcom,cmb_msr_num" to support CMB MSR(mux select register)
for TPDM. It specifies the number of CMB MSR registers supported by
the TDPM.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-10-git-send-email-quic_taozha@quicinc.com
---
.../devicetree/bindings/arm/qcom,coresight-tpdm.yaml | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
index 2320b54459006..d0647ffaed71e 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
@@ -69,6 +69,15 @@ properties:
minimum: 0
maximum: 32
+ qcom,cmb-msrs-num:
+ description:
+ Specifies the number of CMB MSR(mux select register) registers supported
+ by the monitor. If this property is not configured or set to 0, it means
+ this TPDM doesn't support CMB MSR.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 32
+
clocks:
maxItems: 1
@@ -123,6 +132,7 @@ examples:
reg = <0x06c29000 0x1000>;
qcom,cmb-element-bits = <64>;
+ qcom,cmb-msrs-num = <32>;
clocks = <&aoss_qmp>;
clock-names = "apb_pclk";
--
GitLab
From 8e8804145a46e092c5207bb1258d29236a2cbcaa Mon Sep 17 00:00:00 2001
From: Tao Zhang <quic_taozha@quicinc.com>
Date: Sun, 4 Feb 2024 13:30:41 +0800
Subject: [PATCH 0384/2686] coresight-tpdm: Add msr register support for CMB
Add the nodes for CMB subunit MSR(mux select register) support.
CMB MSRs(mux select registers) is to separate mux, arbitration,
interleaving,data packing control from stream filtering control.
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-11-git-send-email-quic_taozha@quicinc.com
---
.../testing/sysfs-bus-coresight-devices-tpdm | 8 ++
drivers/hwtracing/coresight/coresight-tpdm.c | 85 +++++++++++++++++++
drivers/hwtracing/coresight/coresight-tpdm.h | 16 +++-
3 files changed, 108 insertions(+), 1 deletion(-)
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
index e8c76ce4dd155..b4d0fc8d319df 100644
--- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
@@ -249,3 +249,11 @@ Description:
Accepts only one of the 2 values - 0 or 1.
0 : Disable the timestamp of all trace packets.
1 : Enable the timestamp of all trace packets.
+
+What: /sys/bus/coresight/devices/<tpdm-name>/cmb_msr/msr[0:31]
+Date: January 2024
+KernelVersion 6.9
+Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Description:
+ (RW) Set/Get the MSR(mux select register) for the CMB subunit
+ TPDM.
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c
index 22966d541230a..a9708ab0d4886 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.c
+++ b/drivers/hwtracing/coresight/coresight-tpdm.c
@@ -86,6 +86,11 @@ static ssize_t tpdm_simple_dataset_show(struct device *dev,
return -EINVAL;
return sysfs_emit(buf, "0x%x\n",
drvdata->cmb->patt_mask[tpdm_attr->idx]);
+ case CMB_MSR:
+ if (tpdm_attr->idx >= drvdata->cmb_msr_num)
+ return -EINVAL;
+ return sysfs_emit(buf, "0x%x\n",
+ drvdata->cmb->msr[tpdm_attr->idx]);
}
return -EINVAL;
}
@@ -162,6 +167,12 @@ static ssize_t tpdm_simple_dataset_store(struct device *dev,
ret = size;
}
break;
+ case CMB_MSR:
+ if (tpdm_attr->idx < drvdata->cmb_msr_num) {
+ drvdata->cmb->msr[tpdm_attr->idx] = val;
+ ret = size;
+ }
+ break;
default:
break;
}
@@ -209,6 +220,23 @@ static umode_t tpdm_dsb_msr_is_visible(struct kobject *kobj,
return 0;
}
+static umode_t tpdm_cmb_msr_is_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);
+
+ struct device_attribute *dev_attr =
+ container_of(attr, struct device_attribute, attr);
+ struct tpdm_dataset_attribute *tpdm_attr =
+ container_of(dev_attr, struct tpdm_dataset_attribute, attr);
+
+ if (tpdm_attr->idx < drvdata->cmb_msr_num)
+ return attr->mode;
+
+ return 0;
+}
+
static void tpdm_reset_datasets(struct tpdm_drvdata *drvdata)
{
if (tpdm_has_dsb_dataset(drvdata)) {
@@ -347,6 +375,15 @@ static void set_cmb_tier(struct tpdm_drvdata *drvdata)
writel_relaxed(val, drvdata->base + TPDM_CMB_TIER);
}
+static void set_cmb_msr(struct tpdm_drvdata *drvdata)
+{
+ int i;
+
+ for (i = 0; i < drvdata->cmb_msr_num; i++)
+ writel_relaxed(drvdata->cmb->msr[i],
+ drvdata->base + TPDM_CMB_MSR(i));
+}
+
static void tpdm_enable_cmb(struct tpdm_drvdata *drvdata)
{
u32 val, i;
@@ -367,6 +404,7 @@ static void tpdm_enable_cmb(struct tpdm_drvdata *drvdata)
}
set_cmb_tier(drvdata);
+ set_cmb_msr(drvdata);
val = readl_relaxed(drvdata->base + TPDM_CMB_CR);
/*
@@ -1072,6 +1110,42 @@ static struct attribute *tpdm_cmb_patt_attrs[] = {
NULL,
};
+static struct attribute *tpdm_cmb_msr_attrs[] = {
+ CMB_MSR_ATTR(0),
+ CMB_MSR_ATTR(1),
+ CMB_MSR_ATTR(2),
+ CMB_MSR_ATTR(3),
+ CMB_MSR_ATTR(4),
+ CMB_MSR_ATTR(5),
+ CMB_MSR_ATTR(6),
+ CMB_MSR_ATTR(7),
+ CMB_MSR_ATTR(8),
+ CMB_MSR_ATTR(9),
+ CMB_MSR_ATTR(10),
+ CMB_MSR_ATTR(11),
+ CMB_MSR_ATTR(12),
+ CMB_MSR_ATTR(13),
+ CMB_MSR_ATTR(14),
+ CMB_MSR_ATTR(15),
+ CMB_MSR_ATTR(16),
+ CMB_MSR_ATTR(17),
+ CMB_MSR_ATTR(18),
+ CMB_MSR_ATTR(19),
+ CMB_MSR_ATTR(20),
+ CMB_MSR_ATTR(21),
+ CMB_MSR_ATTR(22),
+ CMB_MSR_ATTR(23),
+ CMB_MSR_ATTR(24),
+ CMB_MSR_ATTR(25),
+ CMB_MSR_ATTR(26),
+ CMB_MSR_ATTR(27),
+ CMB_MSR_ATTR(28),
+ CMB_MSR_ATTR(29),
+ CMB_MSR_ATTR(30),
+ CMB_MSR_ATTR(31),
+ NULL,
+};
+
static struct attribute *tpdm_dsb_attrs[] = {
&dev_attr_dsb_mode.attr,
&dev_attr_dsb_trig_ts.attr,
@@ -1132,6 +1206,12 @@ static struct attribute_group tpdm_cmb_patt_grp = {
.name = "cmb_patt",
};
+static struct attribute_group tpdm_cmb_msr_grp = {
+ .attrs = tpdm_cmb_msr_attrs,
+ .is_visible = tpdm_cmb_msr_is_visible,
+ .name = "cmb_msr",
+};
+
static const struct attribute_group *tpdm_attr_grps[] = {
&tpdm_attr_grp,
&tpdm_dsb_attr_grp,
@@ -1142,6 +1222,7 @@ static const struct attribute_group *tpdm_attr_grps[] = {
&tpdm_cmb_attr_grp,
&tpdm_cmb_trig_patt_grp,
&tpdm_cmb_patt_grp,
+ &tpdm_cmb_msr_grp,
NULL,
};
@@ -1180,6 +1261,10 @@ static int tpdm_probe(struct amba_device *adev, const struct amba_id *id)
of_property_read_u32(drvdata->dev->of_node,
"qcom,dsb-msrs-num", &drvdata->dsb_msr_num);
+ if (drvdata && tpdm_has_cmb_dataset(drvdata))
+ of_property_read_u32(drvdata->dev->of_node,
+ "qcom,cmb-msrs-num", &drvdata->cmb_msr_num);
+
/* Set up coresight component description */
desc.name = coresight_alloc_device_name(&tpdm_devs, dev);
if (!desc.name)
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.h b/drivers/hwtracing/coresight/coresight-tpdm.h
index 6d1fe4aed7d03..f3a8f56d0fe76 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.h
+++ b/drivers/hwtracing/coresight/coresight-tpdm.h
@@ -21,6 +21,8 @@
#define TPDM_CMB_XPR(n) (0xA18 + (n * 4))
/* CMB subunit trigger pattern mask registers */
#define TPDM_CMB_XPMR(n) (0xA20 + (n * 4))
+/* CMB MSR register */
+#define TPDM_CMB_MSR(n) (0xA80 + (n * 4))
/* Enable bit for CMB subunit */
#define TPDM_CMB_CR_ENA BIT(0)
@@ -36,6 +38,9 @@
/* Patten register number */
#define TPDM_CMB_MAX_PATT 2
+/* MAX number of DSB MSR */
+#define TPDM_CMB_MAX_MSR 32
+
/* DSB Subunit Registers */
#define TPDM_DSB_CR (0x780)
#define TPDM_DSB_TIER (0x784)
@@ -203,6 +208,10 @@
tpdm_patt_enable_ts(enable_ts, \
CMB_PATT)
+#define CMB_MSR_ATTR(nr) \
+ tpdm_simple_dataset_rw(msr##nr, \
+ CMB_MSR, nr)
+
/**
* struct dsb_dataset - specifics associated to dsb dataset
* @mode: DSB programming mode
@@ -242,6 +251,7 @@ struct dsb_dataset {
* @patt_mask: Save value for pattern mask
* @trig_patt: Save value for trigger pattern
* @trig_patt_mask: Save value for trigger pattern mask
+ * @msr Save value for MSR
* @patt_ts: Indicates if pattern match for timestamp is enabled.
* @trig_ts: Indicates if CTI trigger for timestamp is enabled.
* @ts_all: Indicates if timestamp is enabled for all packets.
@@ -252,6 +262,7 @@ struct cmb_dataset {
u32 patt_mask[TPDM_CMB_MAX_PATT];
u32 trig_patt[TPDM_CMB_MAX_PATT];
u32 trig_patt_mask[TPDM_CMB_MAX_PATT];
+ u32 msr[TPDM_CMB_MAX_MSR];
bool patt_ts;
bool trig_ts;
bool ts_all;
@@ -268,6 +279,7 @@ struct cmb_dataset {
* @dsb Specifics associated to TPDM DSB.
* @cmb Specifics associated to TPDM CMB.
* @dsb_msr_num Number of MSR supported by DSB TPDM
+ * @cmb_msr_num Number of MSR supported by CMB TPDM
*/
struct tpdm_drvdata {
@@ -280,6 +292,7 @@ struct tpdm_drvdata {
struct dsb_dataset *dsb;
struct cmb_dataset *cmb;
u32 dsb_msr_num;
+ u32 cmb_msr_num;
};
/* Enumerate members of various datasets */
@@ -294,7 +307,8 @@ enum dataset_mem {
CMB_TRIG_PATT,
CMB_TRIG_PATT_MASK,
CMB_PATT,
- CMB_PATT_MASK
+ CMB_PATT_MASK,
+ CMB_MSR
};
/**
--
GitLab
From 1bbe0a247e5d72f723daeecf41596bfa99e199f1 Mon Sep 17 00:00:00 2001
From: Mao Jinlong <quic_jinlmao@quicinc.com>
Date: Wed, 31 Jan 2024 02:54:19 -0800
Subject: [PATCH 0385/2686] coresight: etm4x: Set skip_power_up in
etm4_init_arch_data function
skip_power_up is used in etm4_init_arch_data when set lpoverride. So
need to set the value of it before calling using it.
Fixes: 5214b563588e ("coresight: etm4x: Add support for sysreg only devices")
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20240131105423.9519-1-quic_jinlmao@quicinc.com
---
drivers/hwtracing/coresight/coresight-etm4x-core.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index f087bc8d1da6b..c2ca4a02dfce1 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -1196,6 +1196,7 @@ static void etm4_init_arch_data(void *info)
struct etm4_init_arg *init_arg = info;
struct etmv4_drvdata *drvdata;
struct csdev_access *csa;
+ struct device *dev = init_arg->dev;
int i;
drvdata = dev_get_drvdata(init_arg->dev);
@@ -1209,6 +1210,10 @@ static void etm4_init_arch_data(void *info)
if (!etm4_init_csdev_access(drvdata, csa))
return;
+ if (!csa->io_mem ||
+ fwnode_property_present(dev_fwnode(dev), "qcom,skip-power-up"))
+ drvdata->skip_power_up = true;
+
/* Detect the support for OS Lock before we actually use it */
etm_detect_os_lock(drvdata, csa);
@@ -2036,11 +2041,6 @@ static int etm4_add_coresight_dev(struct etm4_init_arg *init_arg)
if (!drvdata->arch)
return -EINVAL;
- /* TRCPDCR is not accessible with system instructions. */
- if (!desc.access.io_mem ||
- fwnode_property_present(dev_fwnode(dev), "qcom,skip-power-up"))
- drvdata->skip_power_up = true;
-
major = ETM_ARCH_MAJOR_VERSION(drvdata->arch);
minor = ETM_ARCH_MINOR_VERSION(drvdata->arch);
--
GitLab
From 7013482ff5945aee7390c55ababcb390de1a4aad Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sun, 11 Feb 2024 20:33:41 -0800
Subject: [PATCH 0386/2686] 9p/trans_fd: remove Excess kernel-doc comment
Remove the "@req" kernel-doc description since there is not 'req'
member in the struct p9_conn.
Fixes one kernel-doc warning:
trans_fd.c:133: warning: Excess struct member 'req' description in 'p9_conn'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Cc: Dominique Martinet <asmadeus@codewreck.org>
Cc: v9fs@lists.linux.dev
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: netdev@vger.kernel.org
Reviewed-by: Simon Horman <horms@kernel.org>
Message-ID: <20240212043341.4631-1-rdunlap@infradead.org>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
---
net/9p/trans_fd.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 1a3948b8c493e..196060dc6138a 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -95,7 +95,6 @@ struct p9_poll_wait {
* @unsent_req_list: accounting for requests that haven't been sent
* @rreq: read request
* @wreq: write request
- * @req: current request being processed (if any)
* @tmp_buf: temporary buffer to read in header
* @rc: temporary fcall for reading current frame
* @wpos: write position for current frame
--
GitLab
From be3193e58ec210b2a72fb1134c2a0695088a911d Mon Sep 17 00:00:00 2001
From: Dominique Martinet <asmadeus@codewreck.org>
Date: Tue, 9 Jan 2024 12:39:03 +0900
Subject: [PATCH 0387/2686] 9p: Fix read/write debug statements to report
server reply
Previous conversion to iov missed these debug statements which would now
always print the requested size instead of the actual server reply.
Write also added a loop in a much older commit but we didn't report
these, while reads do report each iteration -- it's more coherent to
keep reporting all requests to server so move that at the same time.
Fixes: 7f02464739da ("9p: convert to advancing variant of iov_iter_get_pages_alloc()")
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
Message-ID: <20240109-9p-rw-trace-v1-1-327178114257@codewreck.org>
---
net/9p/client.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/net/9p/client.c b/net/9p/client.c
index e265a0ca6bddd..f7e90b4769bba 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1583,7 +1583,7 @@ p9_client_read_once(struct p9_fid *fid, u64 offset, struct iov_iter *to,
received = rsize;
}
- p9_debug(P9_DEBUG_9P, "<<< RREAD count %d\n", count);
+ p9_debug(P9_DEBUG_9P, "<<< RREAD count %d\n", received);
if (non_zc) {
int n = copy_to_iter(dataptr, received, to);
@@ -1609,9 +1609,6 @@ p9_client_write(struct p9_fid *fid, u64 offset, struct iov_iter *from, int *err)
int total = 0;
*err = 0;
- p9_debug(P9_DEBUG_9P, ">>> TWRITE fid %d offset %llu count %zd\n",
- fid->fid, offset, iov_iter_count(from));
-
while (iov_iter_count(from)) {
int count = iov_iter_count(from);
int rsize = fid->iounit;
@@ -1623,6 +1620,9 @@ p9_client_write(struct p9_fid *fid, u64 offset, struct iov_iter *from, int *err)
if (count < rsize)
rsize = count;
+ p9_debug(P9_DEBUG_9P, ">>> TWRITE fid %d offset %llu count %d (/%d)\n",
+ fid->fid, offset, rsize, count);
+
/* Don't bother zerocopy for small IO (< 1024) */
if (clnt->trans_mod->zc_request && rsize > 1024) {
req = p9_client_zc_rpc(clnt, P9_TWRITE, NULL, from, 0,
@@ -1650,7 +1650,7 @@ p9_client_write(struct p9_fid *fid, u64 offset, struct iov_iter *from, int *err)
written = rsize;
}
- p9_debug(P9_DEBUG_9P, "<<< RWRITE count %d\n", count);
+ p9_debug(P9_DEBUG_9P, "<<< RWRITE count %d\n", written);
p9_req_put(clnt, req);
iov_iter_revert(from, count - written - iov_iter_count(from));
--
GitLab
From 8cf9926c537ce8b0c7783afebe752e084765d553 Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Wed, 31 Jan 2024 11:12:59 +0200
Subject: [PATCH 0388/2686] thunderbolt: Reset only non-USB4 host routers in
resume
There is no need to reset the USB4 host routers on resume because they
are reset already and this may cause problems if the link does not come
up soon enough. For this reason limit this to happen in non-USB4 host
routers only (that's Apple systems with Intel Thunderbolt controllers).
Fixes: 59a54c5f3dbd ("thunderbolt: Reset topology created by the boot firmware")
Cc: Sanath S <Sanath.S@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/tb.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 9a261560d0f4c..f127088b6ebd1 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -2710,8 +2710,12 @@ static int tb_resume_noirq(struct tb *tb)
tb_dbg(tb, "resuming...\n");
- /* remove any pci devices the firmware might have setup */
- tb_switch_reset(tb->root_switch);
+ /*
+ * For non-USB4 hosts (Apple systems) remove any PCIe devices
+ * the firmware might have setup.
+ */
+ if (!tb_switch_is_usb4(tb->root_switch))
+ tb_switch_reset(tb->root_switch);
tb_switch_resume(tb->root_switch);
tb_free_invalid_tunnels(tb);
--
GitLab
From 6faa39eea95372e9f235ab8280fa512618655f26 Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Fri, 2 Feb 2024 16:38:19 +0200
Subject: [PATCH 0389/2686] thunderbolt: Skip discovery also in USB4 v2 host
If the host router is reset, there is no point running discovery as the
links are down. Furthermore this prevents CL-state enabling. For this
reason skip discovery in USB4 v2 host the same way we do with USB4 v1.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/nhi.c | 20 ++++++--------------
drivers/thunderbolt/tb.c | 11 ++++++++---
2 files changed, 14 insertions(+), 17 deletions(-)
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
index e8a4623dc5319..91e26b982b0bf 100644
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -1221,7 +1221,7 @@ static void nhi_check_iommu(struct tb_nhi *nhi)
str_enabled_disabled(port_ok));
}
-static bool nhi_reset(struct tb_nhi *nhi)
+static void nhi_reset(struct tb_nhi *nhi)
{
ktime_t timeout;
u32 val;
@@ -1229,11 +1229,11 @@ static bool nhi_reset(struct tb_nhi *nhi)
val = ioread32(nhi->iobase + REG_CAPS);
/* Reset only v2 and later routers */
if (FIELD_GET(REG_CAPS_VERSION_MASK, val) < REG_CAPS_VERSION_2)
- return false;
+ return;
if (!host_reset) {
dev_dbg(&nhi->pdev->dev, "skipping host router reset\n");
- return false;
+ return;
}
iowrite32(REG_RESET_HRR, nhi->iobase + REG_RESET);
@@ -1244,14 +1244,12 @@ static bool nhi_reset(struct tb_nhi *nhi)
val = ioread32(nhi->iobase + REG_RESET);
if (!(val & REG_RESET_HRR)) {
dev_warn(&nhi->pdev->dev, "host router reset successful\n");
- return true;
+ return;
}
usleep_range(10, 20);
} while (ktime_before(ktime_get(), timeout));
dev_warn(&nhi->pdev->dev, "timeout resetting host router\n");
-
- return false;
}
static int nhi_init_msi(struct tb_nhi *nhi)
@@ -1333,7 +1331,6 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
struct device *dev = &pdev->dev;
struct tb_nhi *nhi;
struct tb *tb;
- bool reset;
int res;
if (!nhi_imr_valid(pdev))
@@ -1367,12 +1364,7 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
nhi_check_quirks(nhi);
nhi_check_iommu(nhi);
-
- /*
- * Only USB4 v2 hosts support host reset so if we already did
- * that then don't do it again when the domain is initialized.
- */
- reset = nhi_reset(nhi) ? false : host_reset;
+ nhi_reset(nhi);
res = nhi_init_msi(nhi);
if (res)
@@ -1399,7 +1391,7 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
dev_dbg(dev, "NHI initialized, starting thunderbolt\n");
- res = tb_domain_add(tb, reset);
+ res = tb_domain_add(tb, host_reset);
if (res) {
/*
* At this point the RX/TX rings might already have been
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index f127088b6ebd1..64dd22e1f5b29 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -2584,6 +2584,7 @@ static int tb_scan_finalize_switch(struct device *dev, void *data)
static int tb_start(struct tb *tb, bool reset)
{
struct tb_cm *tcm = tb_priv(tb);
+ bool discover = true;
int ret;
tb->root_switch = tb_switch_alloc(tb, &tb->dev, 0);
@@ -2629,9 +2630,13 @@ static int tb_start(struct tb *tb, bool reset)
* reset the ports to handle it as new hotplug for USB4 v1
* routers (for USB4 v2 and beyond we already do host reset).
*/
- if (reset && usb4_switch_version(tb->root_switch) == 1) {
- tb_switch_reset(tb->root_switch);
- } else {
+ if (reset && tb_switch_is_usb4(tb->root_switch)) {
+ discover = false;
+ if (usb4_switch_version(tb->root_switch) == 1)
+ tb_switch_reset(tb->root_switch);
+ }
+
+ if (discover) {
/* Full scan to discover devices added before the driver was loaded. */
tb_scan_switch(tb->root_switch);
/* Find out tunnels created by the boot firmware */
--
GitLab
From e96efb1191de1b5955deab065ae3775a8033dc0f Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Fri, 2 Feb 2024 14:44:54 +0200
Subject: [PATCH 0390/2686] thunderbolt: Correct typo in host_reset parameter
It should say USB4 now since we reset by default all USB4 host routers.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/nhi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
index 91e26b982b0bf..7af2642b97cb8 100644
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -48,7 +48,7 @@
static bool host_reset = true;
module_param(host_reset, bool, 0444);
-MODULE_PARM_DESC(host_reset, "reset USBv2 host router (default: true)");
+MODULE_PARM_DESC(host_reset, "reset USB4 host router (default: true)");
static int ring_interrupt_index(const struct tb_ring *ring)
{
--
GitLab
From c099fdd218a0fedfe87e0b88d2ba0667eab3b3c8 Mon Sep 17 00:00:00 2001
From: Suzuki K Poulose <suzuki.poulose@arm.com>
Date: Tue, 13 Feb 2024 10:12:46 +0000
Subject: [PATCH 0391/2686] coresight: tpdm: Fix build break due to
uninitialised field
{CMB/DSB}_PATT_ENABLE_TS attributes do not use an "idx" field and never sets it.
But, since have full blown warning enabled in coresight, it triggerst the warning
on some of the newer compiler versions:
drivers/hwtracing/coresight/coresight-tpdm.c:1055:2: error: missing field 'idx' initializer [-Werror,-Wmissing-field-initializers]
1055 | DSB_PATT_ENABLE_TS,
| ^
drivers/hwtracing/coresight/coresight-tpdm.h:184:3: note: expanded from macro 'DSB_PATT_ENABLE_TS'
184 | tpdm_patt_enable_ts(enable_ts, \
| ^
drivers/hwtracing/coresight/coresight-tpdm.h:156:5: note: expanded from macro 'tpdm_patt_enable_ts'
156 | } \
| ^
drivers/hwtracing/coresight/coresight-tpdm.c:1109:2: error: missing field 'idx' initializer [-Werror,-Wmissing-field-initializers]
1109 | CMB_PATT_ENABLE_TS,
| ^
drivers/hwtracing/coresight/coresight-tpdm.h:208:3: note: expanded from macro 'CMB_PATT_ENABLE_TS'
208 | tpdm_patt_enable_ts(enable_ts, \
| ^
drivers/hwtracing/coresight/coresight-tpdm.h:156:5: note: expanded from macro 'tpdm_patt_enable_ts'
156 | } \
| ^
Make sure we initialise this.
Fixes: dc6ce57e2aa0 ("coresight-tpdm: Add timestamp control register support for the CMB")
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Cc: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-tpdm.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/hwtracing/coresight/coresight-tpdm.h b/drivers/hwtracing/coresight/coresight-tpdm.h
index f3a8f56d0fe76..e08d212642e35 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.h
+++ b/drivers/hwtracing/coresight/coresight-tpdm.h
@@ -153,6 +153,7 @@
__ATTR(name, 0644, enable_ts_show, \
enable_ts_store), \
mem, \
+ 0, \
} \
})[0].attr.attr)
--
GitLab
From 69518264da6298fb1a490ca8adcfcb798c16e15c Mon Sep 17 00:00:00 2001
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Wed, 15 Nov 2023 21:29:08 +0000
Subject: [PATCH 0392/2686] dt-bindings: timer: renesas: ostm: Document RZ/Five
SoC
The OSTM block on the RZ/Five SoC is identical to one found on the RZ/G2UL
SoC. "renesas,r9a07g043-ostm" compatible string will be used on the RZ/Five
SoC so to make this clear and to keep this file consistent, update the
comment to include RZ/Five SoC.
No driver changes are required as generic compatible string "renesas,ostm"
will be used as a fallback on RZ/Five SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20231115212908.33131-1-prabhakar.mahadev-lad.rj@bp.renesas.com
---
Documentation/devicetree/bindings/timer/renesas,ostm.yaml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/timer/renesas,ostm.yaml b/Documentation/devicetree/bindings/timer/renesas,ostm.yaml
index 7207929e5cd6a..8b06a681764e3 100644
--- a/Documentation/devicetree/bindings/timer/renesas,ostm.yaml
+++ b/Documentation/devicetree/bindings/timer/renesas,ostm.yaml
@@ -23,7 +23,7 @@ properties:
- enum:
- renesas,r7s72100-ostm # RZ/A1H
- renesas,r7s9210-ostm # RZ/A2M
- - renesas,r9a07g043-ostm # RZ/G2UL
+ - renesas,r9a07g043-ostm # RZ/G2UL and RZ/Five
- renesas,r9a07g044-ostm # RZ/G2{L,LC}
- renesas,r9a07g054-ostm # RZ/V2L
- const: renesas,ostm # Generic
--
GitLab
From a5251cd9614cf2ac24a513359b5265b44605cf82 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sun, 4 Feb 2024 17:55:22 -0300
Subject: [PATCH 0393/2686] w1: make w1_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the w1_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-w1-v1-1-a0f4c84d7db3@marliere.net
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
drivers/w1/w1.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 5353cbd75126c..afb1cc4606c52 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -167,7 +167,7 @@ static struct w1_family w1_default_family = {
static int w1_uevent(const struct device *dev, struct kobj_uevent_env *env);
-static struct bus_type w1_bus_type = {
+static const struct bus_type w1_bus_type = {
.name = "w1",
.uevent = w1_uevent,
};
--
GitLab
From 12d2a81c57042337b68ef7d1b400a6f2b707dc94 Mon Sep 17 00:00:00 2001
From: Christoph Winklhofer <cj.winklhofer@gmail.com>
Date: Fri, 9 Feb 2024 07:22:37 +0100
Subject: [PATCH 0394/2686] dt-bindings: serial: allow onewire as child node
The UART 1-Wire bus utilizes the Serial Device Bus to create the 1-wire
timing patterns.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Christoph Winklhofer <cj.winklhofer@gmail.com>
Link: https://lore.kernel.org/r/20240209-w1-uart-v6-1-3e753c149196@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
Documentation/devicetree/bindings/serial/serial.yaml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/serial/serial.yaml b/Documentation/devicetree/bindings/serial/serial.yaml
index 65804ca274ae7..ffc9198ae2146 100644
--- a/Documentation/devicetree/bindings/serial/serial.yaml
+++ b/Documentation/devicetree/bindings/serial/serial.yaml
@@ -88,7 +88,7 @@ properties:
TX FIFO threshold configuration (in bytes).
patternProperties:
- "^(bluetooth|bluetooth-gnss|gnss|gps|mcu)$":
+ "^(bluetooth|bluetooth-gnss|gnss|gps|mcu|onewire)$":
if:
type: object
then:
--
GitLab
From 23b333375317f6c2866e1ede7e7c4a726fc22aa8 Mon Sep 17 00:00:00 2001
From: Christoph Winklhofer <cj.winklhofer@gmail.com>
Date: Fri, 9 Feb 2024 07:22:38 +0100
Subject: [PATCH 0395/2686] dt-bindings: w1: UART 1-Wire bus
Add device tree binding for UART 1-Wire bus.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Christoph Winklhofer <cj.winklhofer@gmail.com>
Link: https://lore.kernel.org/r/20240209-w1-uart-v6-2-3e753c149196@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
.../devicetree/bindings/w1/w1-uart.yaml | 59 +++++++++++++++++++
1 file changed, 59 insertions(+)
create mode 100644 Documentation/devicetree/bindings/w1/w1-uart.yaml
diff --git a/Documentation/devicetree/bindings/w1/w1-uart.yaml b/Documentation/devicetree/bindings/w1/w1-uart.yaml
new file mode 100644
index 0000000000000..bd7c62d780b82
--- /dev/null
+++ b/Documentation/devicetree/bindings/w1/w1-uart.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/w1/w1-uart.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: UART 1-Wire Bus
+
+maintainers:
+ - Christoph Winklhofer <cj.winklhofer@gmail.com>
+
+description: |
+ UART 1-wire bus. Utilizes the UART interface via the Serial Device Bus
+ to create the 1-Wire timing patterns.
+
+ The UART peripheral must support full-duplex and operate in open-drain
+ mode. The timing patterns are generated by a specific combination of
+ baud-rate and transmitted byte, which corresponds to a 1-Wire read bit,
+ write bit or reset pulse.
+
+ The default baud-rate for reset and presence detection is 9600 and for
+ a 1-Wire read or write operation 115200. In case the actual baud-rate
+ is different from the requested one, the transmitted byte is adapted
+ to generate the 1-Wire timing patterns.
+
+ https://www.analog.com/en/technical-articles/using-a-uart-to-implement-a-1wire-bus-master.html
+
+properties:
+ compatible:
+ const: w1-uart
+
+ reset-bps:
+ default: 9600
+ description:
+ The baud rate for the 1-Wire reset and presence detect.
+
+ write-0-bps:
+ default: 115200
+ description:
+ The baud rate for the 1-Wire write-0 cycle.
+
+ write-1-bps:
+ default: 115200
+ description:
+ The baud rate for the 1-Wire write-1 and read cycle.
+
+required:
+ - compatible
+
+additionalProperties:
+ type: object
+
+examples:
+ - |
+ serial {
+ onewire {
+ compatible = "w1-uart";
+ };
+ };
--
GitLab
From a3c08804364e80328a9ffdac59bb26676b938195 Mon Sep 17 00:00:00 2001
From: Christoph Winklhofer <cj.winklhofer@gmail.com>
Date: Wed, 14 Feb 2024 07:36:15 +0100
Subject: [PATCH 0396/2686] w1: add UART w1 bus driver
Add a UART 1-Wire bus driver. The driver utilizes the UART interface via
the Serial Device Bus to create the 1-Wire timing patterns. The driver
was tested on a "Raspberry Pi 3B" with a DS18B20 and on a "Variscite
DART-6UL" with a DS18S20 temperature sensor.
The 1-Wire timing pattern and the corresponding UART baud-rate with the
interpretation of the transferred bytes are described in the document:
Link: https://www.analog.com/en/technical-articles/using-a-uart-to-implement-a-1wire-bus-master.html
In short, the UART peripheral must support full-duplex and operate in
open-drain mode. The timing patterns are generated by a specific
combination of baud-rate and transmitted byte, which corresponds to a
1-Wire read bit, write bit or reset.
Signed-off-by: Christoph Winklhofer <cj.winklhofer@gmail.com>
Link: https://lore.kernel.org/r/20240214-w1-uart-v7-3-6e21fa24e066@gmail.com
[krzysztof: w1_uart_serdev_receive_buf() return type fixup]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
Documentation/w1/masters/index.rst | 1 +
Documentation/w1/masters/w1-uart.rst | 54 ++++
drivers/w1/masters/Kconfig | 10 +
drivers/w1/masters/Makefile | 1 +
drivers/w1/masters/w1-uart.c | 415 +++++++++++++++++++++++++++
5 files changed, 481 insertions(+)
create mode 100644 Documentation/w1/masters/w1-uart.rst
create mode 100644 drivers/w1/masters/w1-uart.c
diff --git a/Documentation/w1/masters/index.rst b/Documentation/w1/masters/index.rst
index 4442a98850adf..cc40189909fd1 100644
--- a/Documentation/w1/masters/index.rst
+++ b/Documentation/w1/masters/index.rst
@@ -12,3 +12,4 @@
mxc-w1
omap-hdq
w1-gpio
+ w1-uart
diff --git a/Documentation/w1/masters/w1-uart.rst b/Documentation/w1/masters/w1-uart.rst
new file mode 100644
index 0000000000000..8d0f122178d4d
--- /dev/null
+++ b/Documentation/w1/masters/w1-uart.rst
@@ -0,0 +1,54 @@
+.. SPDX-License-Identifier: GPL-2.0-or-later
+
+=====================
+Kernel driver w1-uart
+=====================
+
+Author: Christoph Winklhofer <cj.winklhofer@gmail.com>
+
+
+Description
+-----------
+
+UART 1-Wire bus driver. The driver utilizes the UART interface via the
+Serial Device Bus to create the 1-Wire timing patterns as described in
+the document `"Using a UART to Implement a 1-Wire Bus Master"`_.
+
+.. _"Using a UART to Implement a 1-Wire Bus Master": https://www.analog.com/en/technical-articles/using-a-uart-to-implement-a-1wire-bus-master.html
+
+In short, the UART peripheral must support full-duplex and operate in
+open-drain mode. The timing patterns are generated by a specific
+combination of baud-rate and transmitted byte, which corresponds to a
+1-Wire read bit, write bit or reset pulse.
+
+For instance the timing pattern for a 1-Wire reset and presence detect uses
+the baud-rate 9600, i.e. 104.2 us per bit. The transmitted byte 0xf0 over
+UART (least significant bit first, start-bit low) sets the reset low time
+for 1-Wire to 521 us. A present 1-Wire device changes the received byte by
+pulling the line low, which is used by the driver to evaluate the result of
+the 1-Wire operation.
+
+Similar for a 1-Wire read bit or write bit, which uses the baud-rate
+115200, i.e. 8.7 us per bit. The transmitted byte 0x80 is used for a
+Write-0 operation (low time 69.6us) and the byte 0xff for Read-0, Read-1
+and Write-1 (low time 8.7us).
+
+The default baud-rate for reset and presence detection is 9600 and for
+a 1-Wire read or write operation 115200. In case the actual baud-rate
+is different from the requested one, the transmitted byte is adapted
+to generate the 1-Wire timing patterns.
+
+
+Usage
+-----
+
+Specify the UART 1-wire bus in the device tree by adding the single child
+onewire to the serial node (e.g. uart0). For example:
+::
+
+ @uart0 {
+ ...
+ onewire {
+ compatible = "w1-uart";
+ };
+ };
diff --git a/drivers/w1/masters/Kconfig b/drivers/w1/masters/Kconfig
index 513c0b114337c..e6049a75b35b8 100644
--- a/drivers/w1/masters/Kconfig
+++ b/drivers/w1/masters/Kconfig
@@ -78,5 +78,15 @@ config W1_MASTER_SGI
This support is also available as a module. If so, the module
will be called sgi_w1.
+config W1_MASTER_UART
+ tristate "UART 1-wire driver"
+ depends on SERIAL_DEV_BUS
+ help
+ Say Y here if you want to communicate with your 1-wire devices using
+ UART interface.
+
+ This support is also available as a module. If so, the module
+ will be called w1-uart.
+
endmenu
diff --git a/drivers/w1/masters/Makefile b/drivers/w1/masters/Makefile
index 6c5a21f9b88ce..227f80987e698 100644
--- a/drivers/w1/masters/Makefile
+++ b/drivers/w1/masters/Makefile
@@ -12,3 +12,4 @@ obj-$(CONFIG_W1_MASTER_MXC) += mxc_w1.o
obj-$(CONFIG_W1_MASTER_GPIO) += w1-gpio.o
obj-$(CONFIG_HDQ_MASTER_OMAP) += omap_hdq.o
obj-$(CONFIG_W1_MASTER_SGI) += sgi_w1.o
+obj-$(CONFIG_W1_MASTER_UART) += w1-uart.o
diff --git a/drivers/w1/masters/w1-uart.c b/drivers/w1/masters/w1-uart.c
new file mode 100644
index 0000000000000..a31782e56ba75
--- /dev/null
+++ b/drivers/w1/masters/w1-uart.c
@@ -0,0 +1,415 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * w1-uart - UART 1-Wire bus driver
+ *
+ * Uses the UART interface (via Serial Device Bus) to create the 1-Wire
+ * timing patterns. Implements the following 1-Wire master interface:
+ *
+ * - reset_bus: requests baud-rate 9600
+ *
+ * - touch_bit: requests baud-rate 115200
+ *
+ * Author: Christoph Winklhofer <cj.winklhofer@gmail.com>
+ */
+
+#include <linux/completion.h>
+#include <linux/delay.h>
+#include <linux/jiffies.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+#include <linux/serdev.h>
+#include <linux/w1.h>
+
+/* UART packet contains start and stop bit */
+#define W1_UART_BITS_PER_PACKET (BITS_PER_BYTE + 2)
+
+/* Timeout to wait for completion of serdev-receive */
+#define W1_UART_TIMEOUT msecs_to_jiffies(500)
+
+/**
+ * struct w1_uart_config - configuration for 1-Wire operation
+ * @baudrate: baud-rate returned from serdev
+ * @delay_us: delay to complete a 1-Wire cycle (in us)
+ * @tx_byte: byte to generate 1-Wire timing pattern
+ */
+struct w1_uart_config {
+ unsigned int baudrate;
+ unsigned int delay_us;
+ u8 tx_byte;
+};
+
+/**
+ * struct w1_uart_device - 1-Wire UART device structure
+ * @serdev: serial device
+ * @bus: w1-bus master
+ * @cfg_reset: config for 1-Wire reset
+ * @cfg_touch_0: config for 1-Wire write-0 cycle
+ * @cfg_touch_1: config for 1-Wire write-1 and read cycle
+ * @rx_byte_received: completion for serdev receive
+ * @rx_mutex: mutex to protect rx_err and rx_byte
+ * @rx_err: indicates an error in serdev-receive
+ * @rx_byte: result byte from serdev-receive
+ */
+struct w1_uart_device {
+ struct serdev_device *serdev;
+ struct w1_bus_master bus;
+
+ struct w1_uart_config cfg_reset;
+ struct w1_uart_config cfg_touch_0;
+ struct w1_uart_config cfg_touch_1;
+
+ struct completion rx_byte_received;
+ /*
+ * protect rx_err and rx_byte from concurrent access in
+ * w1-callbacks and serdev-receive.
+ */
+ struct mutex rx_mutex;
+ int rx_err;
+ u8 rx_byte;
+};
+
+/**
+ * struct w1_uart_limits - limits for 1-Wire operations
+ * @baudrate: Requested baud-rate to create 1-Wire timing pattern
+ * @bit_min_us: minimum time for a bit (in us)
+ * @bit_max_us: maximum time for a bit (in us)
+ * @sample_us: timespan to sample 1-Wire response
+ * @cycle_us: duration of the 1-Wire cycle
+ */
+struct w1_uart_limits {
+ unsigned int baudrate;
+ unsigned int bit_min_us;
+ unsigned int bit_max_us;
+ unsigned int sample_us;
+ unsigned int cycle_us;
+};
+
+static inline unsigned int baud_to_bit_ns(unsigned int baud)
+{
+ return NSEC_PER_SEC / baud;
+}
+
+static inline unsigned int to_ns(unsigned int us)
+{
+ return us * NSEC_PER_USEC;
+}
+
+/*
+ * Set baud-rate, delay and tx-byte to create a 1-Wire pulse and adapt
+ * the tx-byte according to the actual baud-rate.
+ *
+ * Reject when:
+ * - time for a bit outside min/max range
+ * - a 1-Wire response is not detectable for sent byte
+ */
+static int w1_uart_set_config(struct serdev_device *serdev,
+ const struct w1_uart_limits *limits,
+ struct w1_uart_config *w1cfg)
+{
+ unsigned int packet_ns;
+ unsigned int bits_low;
+ unsigned int bit_ns;
+ unsigned int low_ns;
+
+ w1cfg->baudrate = serdev_device_set_baudrate(serdev, limits->baudrate);
+ if (w1cfg->baudrate == 0)
+ return -EINVAL;
+
+ /* Compute in nanoseconds for accuracy */
+ bit_ns = baud_to_bit_ns(w1cfg->baudrate);
+ bits_low = to_ns(limits->bit_min_us) / bit_ns;
+ /* start bit is always low */
+ low_ns = bit_ns * (bits_low + 1);
+
+ if (low_ns < to_ns(limits->bit_min_us))
+ return -EINVAL;
+
+ if (low_ns > to_ns(limits->bit_max_us))
+ return -EINVAL;
+
+ /* 1-Wire response detectable for sent byte */
+ if (limits->sample_us > 0 &&
+ bit_ns * BITS_PER_BYTE < low_ns + to_ns(limits->sample_us))
+ return -EINVAL;
+
+ /* delay: 1-Wire cycle takes longer than the UART packet */
+ packet_ns = bit_ns * W1_UART_BITS_PER_PACKET;
+ w1cfg->delay_us = 0;
+ if (to_ns(limits->cycle_us) > packet_ns)
+ w1cfg->delay_us =
+ (to_ns(limits->cycle_us) - packet_ns) / NSEC_PER_USEC;
+
+ /* byte to create 1-Wire pulse */
+ w1cfg->tx_byte = 0xff << bits_low;
+
+ return 0;
+}
+
+/*
+ * Configuration for reset and presence detect
+ * - bit_min_us is 480us, add margin and use 485us
+ * - limits for sample time 60us-75us, use 65us
+ */
+static int w1_uart_set_config_reset(struct w1_uart_device *w1dev)
+{
+ struct serdev_device *serdev = w1dev->serdev;
+ struct device_node *np = serdev->dev.of_node;
+
+ struct w1_uart_limits limits = { .baudrate = 9600,
+ .bit_min_us = 485,
+ .bit_max_us = 640,
+ .sample_us = 65,
+ .cycle_us = 960 };
+
+ of_property_read_u32(np, "reset-bps", &limits.baudrate);
+
+ return w1_uart_set_config(serdev, &limits, &w1dev->cfg_reset);
+}
+
+/*
+ * Configuration for write-0 cycle (touch bit 0)
+ * - bit_min_us is 60us, add margin and use 65us
+ * - no sampling required, sample_us = 0
+ */
+static int w1_uart_set_config_touch_0(struct w1_uart_device *w1dev)
+{
+ struct serdev_device *serdev = w1dev->serdev;
+ struct device_node *np = serdev->dev.of_node;
+
+ struct w1_uart_limits limits = { .baudrate = 115200,
+ .bit_min_us = 65,
+ .bit_max_us = 120,
+ .sample_us = 0,
+ .cycle_us = 70 };
+
+ of_property_read_u32(np, "write-0-bps", &limits.baudrate);
+
+ return w1_uart_set_config(serdev, &limits, &w1dev->cfg_touch_0);
+}
+
+/*
+ * Configuration for write-1 and read cycle (touch bit 1)
+ * - bit_min_us is 5us, add margin and use 6us
+ * - limits for sample time 5us-15us, use 15us
+ */
+static int w1_uart_set_config_touch_1(struct w1_uart_device *w1dev)
+{
+ struct serdev_device *serdev = w1dev->serdev;
+ struct device_node *np = serdev->dev.of_node;
+
+ struct w1_uart_limits limits = { .baudrate = 115200,
+ .bit_min_us = 6,
+ .bit_max_us = 15,
+ .sample_us = 15,
+ .cycle_us = 70 };
+
+ of_property_read_u32(np, "write-1-bps", &limits.baudrate);
+
+ return w1_uart_set_config(serdev, &limits, &w1dev->cfg_touch_1);
+}
+
+/*
+ * Configure and open the serial device
+ */
+static int w1_uart_serdev_open(struct w1_uart_device *w1dev)
+{
+ struct serdev_device *serdev = w1dev->serdev;
+ struct device *dev = &serdev->dev;
+ int ret;
+
+ ret = devm_serdev_device_open(dev, serdev);
+ if (ret < 0)
+ return ret;
+
+ ret = serdev_device_set_parity(serdev, SERDEV_PARITY_NONE);
+ if (ret < 0) {
+ dev_err(dev, "set parity failed\n");
+ return ret;
+ }
+
+ ret = w1_uart_set_config_reset(w1dev);
+ if (ret < 0) {
+ dev_err(dev, "config for reset failed\n");
+ return ret;
+ }
+
+ ret = w1_uart_set_config_touch_0(w1dev);
+ if (ret < 0) {
+ dev_err(dev, "config for touch-0 failed\n");
+ return ret;
+ }
+
+ ret = w1_uart_set_config_touch_1(w1dev);
+ if (ret < 0) {
+ dev_err(dev, "config for touch-1 failed\n");
+ return ret;
+ }
+
+ serdev_device_set_flow_control(serdev, false);
+
+ return 0;
+}
+
+/*
+ * Send one byte (tx_byte) and read one byte (rx_byte) via serdev.
+ */
+static int w1_uart_serdev_tx_rx(struct w1_uart_device *w1dev,
+ const struct w1_uart_config *w1cfg, u8 *rx_byte)
+{
+ struct serdev_device *serdev = w1dev->serdev;
+ int ret;
+
+ serdev_device_write_flush(serdev);
+ serdev_device_set_baudrate(serdev, w1cfg->baudrate);
+
+ /* write and immediately read one byte */
+ reinit_completion(&w1dev->rx_byte_received);
+ ret = serdev_device_write_buf(serdev, &w1cfg->tx_byte, 1);
+ if (ret != 1)
+ return -EIO;
+ ret = wait_for_completion_interruptible_timeout(
+ &w1dev->rx_byte_received, W1_UART_TIMEOUT);
+ if (ret <= 0)
+ return -EIO;
+
+ /* locking could fail when serdev is unexpectedly receiving. */
+ if (!mutex_trylock(&w1dev->rx_mutex))
+ return -EIO;
+
+ ret = w1dev->rx_err;
+ if (ret == 0)
+ *rx_byte = w1dev->rx_byte;
+
+ mutex_unlock(&w1dev->rx_mutex);
+
+ if (w1cfg->delay_us > 0)
+ fsleep(w1cfg->delay_us);
+
+ return ret;
+}
+
+static size_t w1_uart_serdev_receive_buf(struct serdev_device *serdev,
+ const u8 *buf, size_t count)
+{
+ struct w1_uart_device *w1dev = serdev_device_get_drvdata(serdev);
+
+ mutex_lock(&w1dev->rx_mutex);
+
+ /* sent a single byte and receive one single byte */
+ if (count == 1) {
+ w1dev->rx_byte = buf[0];
+ w1dev->rx_err = 0;
+ } else {
+ w1dev->rx_err = -EIO;
+ }
+
+ mutex_unlock(&w1dev->rx_mutex);
+ complete(&w1dev->rx_byte_received);
+
+ return count;
+}
+
+static const struct serdev_device_ops w1_uart_serdev_ops = {
+ .receive_buf = w1_uart_serdev_receive_buf,
+ .write_wakeup = serdev_device_write_wakeup,
+};
+
+/*
+ * 1-wire reset and presence detect: A present slave will manipulate
+ * the received byte by pulling the 1-Wire low.
+ */
+static u8 w1_uart_reset_bus(void *data)
+{
+ struct w1_uart_device *w1dev = data;
+ const struct w1_uart_config *w1cfg = &w1dev->cfg_reset;
+ int ret;
+ u8 val;
+
+ ret = w1_uart_serdev_tx_rx(w1dev, w1cfg, &val);
+ if (ret < 0)
+ return -1;
+
+ /* Device present (0) or no device (1) */
+ return val != w1cfg->tx_byte ? 0 : 1;
+}
+
+/*
+ * 1-Wire read and write cycle: Only the read-0 manipulates the
+ * received byte, all others left the line untouched.
+ */
+static u8 w1_uart_touch_bit(void *data, u8 bit)
+{
+ struct w1_uart_device *w1dev = data;
+ const struct w1_uart_config *w1cfg = bit ? &w1dev->cfg_touch_1 :
+ &w1dev->cfg_touch_0;
+ int ret;
+ u8 val;
+
+ ret = w1_uart_serdev_tx_rx(w1dev, w1cfg, &val);
+
+ /* return inactive bus state on error */
+ if (ret < 0)
+ return 1;
+
+ return val == w1cfg->tx_byte ? 1 : 0;
+}
+
+static int w1_uart_probe(struct serdev_device *serdev)
+{
+ struct device *dev = &serdev->dev;
+ struct w1_uart_device *w1dev;
+ int ret;
+
+ w1dev = devm_kzalloc(dev, sizeof(*w1dev), GFP_KERNEL);
+ if (!w1dev)
+ return -ENOMEM;
+ w1dev->bus.data = w1dev;
+ w1dev->bus.reset_bus = w1_uart_reset_bus;
+ w1dev->bus.touch_bit = w1_uart_touch_bit;
+ w1dev->serdev = serdev;
+
+ init_completion(&w1dev->rx_byte_received);
+ mutex_init(&w1dev->rx_mutex);
+
+ ret = w1_uart_serdev_open(w1dev);
+ if (ret < 0)
+ return ret;
+ serdev_device_set_drvdata(serdev, w1dev);
+ serdev_device_set_client_ops(serdev, &w1_uart_serdev_ops);
+
+ return w1_add_master_device(&w1dev->bus);
+}
+
+static void w1_uart_remove(struct serdev_device *serdev)
+{
+ struct w1_uart_device *w1dev = serdev_device_get_drvdata(serdev);
+
+ /*
+ * Waits until w1-uart callbacks are finished, serdev is closed
+ * and its device data released automatically by devres (waits
+ * until serdev-receive is finished).
+ */
+ w1_remove_master_device(&w1dev->bus);
+}
+
+static const struct of_device_id w1_uart_of_match[] = {
+ { .compatible = "w1-uart" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, w1_uart_of_match);
+
+static struct serdev_device_driver w1_uart_driver = {
+ .driver = {
+ .name = "w1-uart",
+ .of_match_table = w1_uart_of_match,
+ },
+ .probe = w1_uart_probe,
+ .remove = w1_uart_remove,
+};
+
+module_serdev_device_driver(w1_uart_driver);
+
+MODULE_DESCRIPTION("UART w1 bus driver");
+MODULE_AUTHOR("Christoph Winklhofer <cj.winklhofer@gmail.com>");
+MODULE_LICENSE("GPL");
--
GitLab
From d6cfd1770f20392d7009ae1fdb04733794514fa9 Mon Sep 17 00:00:00 2001
From: Andrea Parri <parri.andrea@gmail.com>
Date: Wed, 31 Jan 2024 15:49:33 +0100
Subject: [PATCH 0397/2686] membarrier: riscv: Add full memory barrier in
switch_mm()
The membarrier system call requires a full memory barrier after storing
to rq->curr, before going back to user-space. The barrier is only
needed when switching between processes: the barrier is implied by
mmdrop() when switching from kernel to userspace, and it's not needed
when switching from userspace to kernel.
Rely on the feature/mechanism ARCH_HAS_MEMBARRIER_CALLBACKS and on the
primitive membarrier_arch_switch_mm(), already adopted by the PowerPC
architecture, to insert the required barrier.
Fixes: fab957c11efe2f ("RISC-V: Atomic and Locking Code")
Signed-off-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/r/20240131144936.29190-2-parri.andrea@gmail.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
MAINTAINERS | 2 +-
arch/riscv/Kconfig | 1 +
arch/riscv/include/asm/membarrier.h | 31 +++++++++++++++++++++++++++++
arch/riscv/mm/context.c | 2 ++
kernel/sched/core.c | 5 +++--
5 files changed, 38 insertions(+), 3 deletions(-)
create mode 100644 arch/riscv/include/asm/membarrier.h
diff --git a/MAINTAINERS b/MAINTAINERS
index 8d1052fa6a692..2450e88d3e2c2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14039,7 +14039,7 @@ M: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
M: "Paul E. McKenney" <paulmck@kernel.org>
L: linux-kernel@vger.kernel.org
S: Supported
-F: arch/powerpc/include/asm/membarrier.h
+F: arch/*/include/asm/membarrier.h
F: include/uapi/linux/membarrier.h
F: kernel/sched/membarrier.c
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index bffbd869a0682..087abf9e51c69 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -27,6 +27,7 @@ config RISCV
select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_HAS_GIGANTIC_PAGE
select ARCH_HAS_KCOV
+ select ARCH_HAS_MEMBARRIER_CALLBACKS
select ARCH_HAS_MMIOWB
select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
select ARCH_HAS_PMEM_API
diff --git a/arch/riscv/include/asm/membarrier.h b/arch/riscv/include/asm/membarrier.h
new file mode 100644
index 0000000000000..6c016ebb5020a
--- /dev/null
+++ b/arch/riscv/include/asm/membarrier.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_RISCV_MEMBARRIER_H
+#define _ASM_RISCV_MEMBARRIER_H
+
+static inline void membarrier_arch_switch_mm(struct mm_struct *prev,
+ struct mm_struct *next,
+ struct task_struct *tsk)
+{
+ /*
+ * Only need the full barrier when switching between processes.
+ * Barrier when switching from kernel to userspace is not
+ * required here, given that it is implied by mmdrop(). Barrier
+ * when switching from userspace to kernel is not needed after
+ * store to rq->curr.
+ */
+ if (IS_ENABLED(CONFIG_SMP) &&
+ likely(!(atomic_read(&next->membarrier_state) &
+ (MEMBARRIER_STATE_PRIVATE_EXPEDITED |
+ MEMBARRIER_STATE_GLOBAL_EXPEDITED)) || !prev))
+ return;
+
+ /*
+ * The membarrier system call requires a full memory barrier
+ * after storing to rq->curr, before going back to user-space.
+ * Matches a full barrier in the proximity of the membarrier
+ * system call entry.
+ */
+ smp_mb();
+}
+
+#endif /* _ASM_RISCV_MEMBARRIER_H */
diff --git a/arch/riscv/mm/context.c b/arch/riscv/mm/context.c
index 217fd4de61342..ba8eb3944687c 100644
--- a/arch/riscv/mm/context.c
+++ b/arch/riscv/mm/context.c
@@ -323,6 +323,8 @@ void switch_mm(struct mm_struct *prev, struct mm_struct *next,
if (unlikely(prev == next))
return;
+ membarrier_arch_switch_mm(prev, next, task);
+
/*
* Mark the current MM context as inactive, and the next as
* active. This is at least used by the icache flushing
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 9116bcc903467..c4ca8085885a3 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6709,8 +6709,9 @@ static void __sched notrace __schedule(unsigned int sched_mode)
*
* Here are the schemes providing that barrier on the
* various architectures:
- * - mm ? switch_mm() : mmdrop() for x86, s390, sparc, PowerPC.
- * switch_mm() rely on membarrier_arch_switch_mm() on PowerPC.
+ * - mm ? switch_mm() : mmdrop() for x86, s390, sparc, PowerPC,
+ * RISC-V. switch_mm() relies on membarrier_arch_switch_mm()
+ * on PowerPC and on RISC-V.
* - finish_lock_switch() for weakly-ordered
* architectures where spin_unlock is a full barrier,
* - switch_to() for arm64 (weakly-ordered, spin_unlock
--
GitLab
From a14d11a0f5f4105e0df96811dfa81dc5f79fecba Mon Sep 17 00:00:00 2001
From: Andrea Parri <parri.andrea@gmail.com>
Date: Wed, 31 Jan 2024 15:49:34 +0100
Subject: [PATCH 0398/2686] membarrier: Create
Documentation/scheduler/membarrier.rst
To gather the architecture requirements of the "private/global
expedited" membarrier commands. The file will be expanded to
integrate further information about the membarrier syscall (as
needed/desired in the future). While at it, amend some related
inline comments in the membarrier codebase.
Suggested-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/r/20240131144936.29190-3-parri.andrea@gmail.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
Documentation/scheduler/index.rst | 1 +
Documentation/scheduler/membarrier.rst | 39 ++++++++++++++++++++++++++
MAINTAINERS | 1 +
kernel/sched/core.c | 7 ++++-
kernel/sched/membarrier.c | 8 +++---
5 files changed, 51 insertions(+), 5 deletions(-)
create mode 100644 Documentation/scheduler/membarrier.rst
diff --git a/Documentation/scheduler/index.rst b/Documentation/scheduler/index.rst
index 3170747226f6d..43bd8a145b7a9 100644
--- a/Documentation/scheduler/index.rst
+++ b/Documentation/scheduler/index.rst
@@ -7,6 +7,7 @@ Scheduler
completion
+ membarrier
sched-arch
sched-bwc
sched-deadline
diff --git a/Documentation/scheduler/membarrier.rst b/Documentation/scheduler/membarrier.rst
new file mode 100644
index 0000000000000..2387804b1c633
--- /dev/null
+++ b/Documentation/scheduler/membarrier.rst
@@ -0,0 +1,39 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+========================
+membarrier() System Call
+========================
+
+MEMBARRIER_CMD_{PRIVATE,GLOBAL}_EXPEDITED - Architecture requirements
+=====================================================================
+
+Memory barriers before updating rq->curr
+----------------------------------------
+
+The commands MEMBARRIER_CMD_PRIVATE_EXPEDITED and MEMBARRIER_CMD_GLOBAL_EXPEDITED
+require each architecture to have a full memory barrier after coming from
+user-space, before updating rq->curr. This barrier is implied by the sequence
+rq_lock(); smp_mb__after_spinlock() in __schedule(). The barrier matches a full
+barrier in the proximity of the membarrier system call exit, cf.
+membarrier_{private,global}_expedited().
+
+Memory barriers after updating rq->curr
+---------------------------------------
+
+The commands MEMBARRIER_CMD_PRIVATE_EXPEDITED and MEMBARRIER_CMD_GLOBAL_EXPEDITED
+require each architecture to have a full memory barrier after updating rq->curr,
+before returning to user-space. The schemes providing this barrier on the various
+architectures are as follows.
+
+ - alpha, arc, arm, hexagon, mips rely on the full barrier implied by
+ spin_unlock() in finish_lock_switch().
+
+ - arm64 relies on the full barrier implied by switch_to().
+
+ - powerpc, riscv, s390, sparc, x86 rely on the full barrier implied by
+ switch_mm(), if mm is not NULL; they rely on the full barrier implied
+ by mmdrop(), otherwise. On powerpc and riscv, switch_mm() relies on
+ membarrier_arch_switch_mm().
+
+The barrier matches a full barrier in the proximity of the membarrier system call
+entry, cf. membarrier_{private,global}_expedited().
diff --git a/MAINTAINERS b/MAINTAINERS
index 2450e88d3e2c2..78c835cc69c9a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14039,6 +14039,7 @@ M: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
M: "Paul E. McKenney" <paulmck@kernel.org>
L: linux-kernel@vger.kernel.org
S: Supported
+F: Documentation/scheduler/membarrier.rst
F: arch/*/include/asm/membarrier.h
F: include/uapi/linux/membarrier.h
F: kernel/sched/membarrier.c
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index c4ca8085885a3..a972628e77567 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6638,7 +6638,9 @@ static void __sched notrace __schedule(unsigned int sched_mode)
* if (signal_pending_state()) if (p->state & @state)
*
* Also, the membarrier system call requires a full memory barrier
- * after coming from user-space, before storing to rq->curr.
+ * after coming from user-space, before storing to rq->curr; this
+ * barrier matches a full barrier in the proximity of the membarrier
+ * system call exit.
*/
rq_lock(rq, &rf);
smp_mb__after_spinlock();
@@ -6716,6 +6718,9 @@ static void __sched notrace __schedule(unsigned int sched_mode)
* architectures where spin_unlock is a full barrier,
* - switch_to() for arm64 (weakly-ordered, spin_unlock
* is a RELEASE barrier),
+ *
+ * The barrier matches a full barrier in the proximity of
+ * the membarrier system call entry.
*/
++*switch_count;
diff --git a/kernel/sched/membarrier.c b/kernel/sched/membarrier.c
index 2ad881d07752c..f3d91628d6b8a 100644
--- a/kernel/sched/membarrier.c
+++ b/kernel/sched/membarrier.c
@@ -251,7 +251,7 @@ static int membarrier_global_expedited(void)
return 0;
/*
- * Matches memory barriers around rq->curr modification in
+ * Matches memory barriers after rq->curr modification in
* scheduler.
*/
smp_mb(); /* system call entry is not a mb. */
@@ -300,7 +300,7 @@ static int membarrier_global_expedited(void)
/*
* Memory barrier on the caller thread _after_ we finished
- * waiting for the last IPI. Matches memory barriers around
+ * waiting for the last IPI. Matches memory barriers before
* rq->curr modification in scheduler.
*/
smp_mb(); /* exit from system call is not a mb */
@@ -339,7 +339,7 @@ static int membarrier_private_expedited(int flags, int cpu_id)
return 0;
/*
- * Matches memory barriers around rq->curr modification in
+ * Matches memory barriers after rq->curr modification in
* scheduler.
*/
smp_mb(); /* system call entry is not a mb. */
@@ -415,7 +415,7 @@ static int membarrier_private_expedited(int flags, int cpu_id)
/*
* Memory barrier on the caller thread _after_ we finished
- * waiting for the last IPI. Matches memory barriers around
+ * waiting for the last IPI. Matches memory barriers before
* rq->curr modification in scheduler.
*/
smp_mb(); /* exit from system call is not a mb */
--
GitLab
From 4ff4c745a16c4c151a71863420811e7f406c3ec2 Mon Sep 17 00:00:00 2001
From: Andrea Parri <parri.andrea@gmail.com>
Date: Wed, 31 Jan 2024 15:49:35 +0100
Subject: [PATCH 0399/2686] locking: Introduce prepare_sync_core_cmd()
Introduce an architecture function that architectures can use to set
up ("prepare") SYNC_CORE commands.
The function will be used by RISC-V to update its "deferred icache-
flush" data structures (icache_stale_mask).
Architectures defining prepare_sync_core_cmd() static inline need to
select ARCH_HAS_PREPARE_SYNC_CORE_CMD.
Suggested-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/r/20240131144936.29190-4-parri.andrea@gmail.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
include/linux/sync_core.h | 16 +++++++++++++++-
init/Kconfig | 3 +++
kernel/sched/membarrier.c | 1 +
3 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/include/linux/sync_core.h b/include/linux/sync_core.h
index 013da4b8b3272..67bb9794b8758 100644
--- a/include/linux/sync_core.h
+++ b/include/linux/sync_core.h
@@ -17,5 +17,19 @@ static inline void sync_core_before_usermode(void)
}
#endif
-#endif /* _LINUX_SYNC_CORE_H */
+#ifdef CONFIG_ARCH_HAS_PREPARE_SYNC_CORE_CMD
+#include <asm/sync_core.h>
+#else
+/*
+ * This is a dummy prepare_sync_core_cmd() implementation that can be used on
+ * all architectures which provide unconditional core serializing instructions
+ * in switch_mm().
+ * If your architecture doesn't provide such core serializing instructions in
+ * switch_mm(), you may need to write your own functions.
+ */
+static inline void prepare_sync_core_cmd(struct mm_struct *mm)
+{
+}
+#endif
+#endif /* _LINUX_SYNC_CORE_H */
diff --git a/init/Kconfig b/init/Kconfig
index 8df18f3a97484..c3994b92333de 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1970,6 +1970,9 @@ source "kernel/Kconfig.locks"
config ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
bool
+config ARCH_HAS_PREPARE_SYNC_CORE_CMD
+ bool
+
config ARCH_HAS_SYNC_CORE_BEFORE_USERMODE
bool
diff --git a/kernel/sched/membarrier.c b/kernel/sched/membarrier.c
index f3d91628d6b8a..6d1f31b3a967b 100644
--- a/kernel/sched/membarrier.c
+++ b/kernel/sched/membarrier.c
@@ -320,6 +320,7 @@ static int membarrier_private_expedited(int flags, int cpu_id)
MEMBARRIER_STATE_PRIVATE_EXPEDITED_SYNC_CORE_READY))
return -EPERM;
ipi_func = ipi_sync_core;
+ prepare_sync_core_cmd(mm);
} else if (flags == MEMBARRIER_FLAG_RSEQ) {
if (!IS_ENABLED(CONFIG_RSEQ))
return -EINVAL;
--
GitLab
From cd9b29014dc69609489261efe351d0c7709ae8bf Mon Sep 17 00:00:00 2001
From: Andrea Parri <parri.andrea@gmail.com>
Date: Wed, 31 Jan 2024 15:49:36 +0100
Subject: [PATCH 0400/2686] membarrier: riscv: Provide core serializing command
RISC-V uses xRET instructions on return from interrupt and to go back
to user-space; the xRET instruction is not core serializing.
Use FENCE.I for providing core serialization as follows:
- by calling sync_core_before_usermode() on return from interrupt (cf.
ipi_sync_core()),
- via switch_mm() and sync_core_before_usermode() (respectively, for
uthread->uthread and kthread->uthread transitions) before returning
to user-space.
On RISC-V, the serialization in switch_mm() is activated by resetting
the icache_stale_mask of the mm at prepare_sync_core_cmd().
Suggested-by: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/r/20240131144936.29190-5-parri.andrea@gmail.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
.../membarrier-sync-core/arch-support.txt | 18 +++++++++++-
MAINTAINERS | 1 +
arch/riscv/Kconfig | 3 ++
arch/riscv/include/asm/membarrier.h | 19 ++++++++++++
arch/riscv/include/asm/sync_core.h | 29 +++++++++++++++++++
kernel/sched/core.c | 4 +++
kernel/sched/membarrier.c | 4 +++
7 files changed, 77 insertions(+), 1 deletion(-)
create mode 100644 arch/riscv/include/asm/sync_core.h
diff --git a/Documentation/features/sched/membarrier-sync-core/arch-support.txt b/Documentation/features/sched/membarrier-sync-core/arch-support.txt
index d96b778b87ed8..7425d2b994a39 100644
--- a/Documentation/features/sched/membarrier-sync-core/arch-support.txt
+++ b/Documentation/features/sched/membarrier-sync-core/arch-support.txt
@@ -10,6 +10,22 @@
# Rely on implicit context synchronization as a result of exception return
# when returning from IPI handler, and when returning to user-space.
#
+# * riscv
+#
+# riscv uses xRET as return from interrupt and to return to user-space.
+#
+# Given that xRET is not core serializing, we rely on FENCE.I for providing
+# core serialization:
+#
+# - by calling sync_core_before_usermode() on return from interrupt (cf.
+# ipi_sync_core()),
+#
+# - via switch_mm() and sync_core_before_usermode() (respectively, for
+# uthread->uthread and kthread->uthread transitions) before returning
+# to user-space.
+#
+# The serialization in switch_mm() is activated by prepare_sync_core_cmd().
+#
# * x86
#
# x86-32 uses IRET as return from interrupt, which takes care of the IPI.
@@ -43,7 +59,7 @@
| openrisc: | TODO |
| parisc: | TODO |
| powerpc: | ok |
- | riscv: | TODO |
+ | riscv: | ok |
| s390: | ok |
| sh: | TODO |
| sparc: | TODO |
diff --git a/MAINTAINERS b/MAINTAINERS
index 78c835cc69c9a..cc80968ec355d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14041,6 +14041,7 @@ L: linux-kernel@vger.kernel.org
S: Supported
F: Documentation/scheduler/membarrier.rst
F: arch/*/include/asm/membarrier.h
+F: arch/*/include/asm/sync_core.h
F: include/uapi/linux/membarrier.h
F: kernel/sched/membarrier.c
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 087abf9e51c69..70836381b9482 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -28,14 +28,17 @@ config RISCV
select ARCH_HAS_GIGANTIC_PAGE
select ARCH_HAS_KCOV
select ARCH_HAS_MEMBARRIER_CALLBACKS
+ select ARCH_HAS_MEMBARRIER_SYNC_CORE
select ARCH_HAS_MMIOWB
select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
select ARCH_HAS_PMEM_API
+ select ARCH_HAS_PREPARE_SYNC_CORE_CMD
select ARCH_HAS_PTE_SPECIAL
select ARCH_HAS_SET_DIRECT_MAP if MMU
select ARCH_HAS_SET_MEMORY if MMU
select ARCH_HAS_STRICT_KERNEL_RWX if MMU && !XIP_KERNEL
select ARCH_HAS_STRICT_MODULE_RWX if MMU && !XIP_KERNEL
+ select ARCH_HAS_SYNC_CORE_BEFORE_USERMODE
select ARCH_HAS_SYSCALL_WRAPPER
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UBSAN_SANITIZE_ALL
diff --git a/arch/riscv/include/asm/membarrier.h b/arch/riscv/include/asm/membarrier.h
index 6c016ebb5020a..47b240d0d596a 100644
--- a/arch/riscv/include/asm/membarrier.h
+++ b/arch/riscv/include/asm/membarrier.h
@@ -22,6 +22,25 @@ static inline void membarrier_arch_switch_mm(struct mm_struct *prev,
/*
* The membarrier system call requires a full memory barrier
* after storing to rq->curr, before going back to user-space.
+ *
+ * This barrier is also needed for the SYNC_CORE command when
+ * switching between processes; in particular, on a transition
+ * from a thread belonging to another mm to a thread belonging
+ * to the mm for which a membarrier SYNC_CORE is done on CPU0:
+ *
+ * - [CPU0] sets all bits in the mm icache_stale_mask (in
+ * prepare_sync_core_cmd());
+ *
+ * - [CPU1] stores to rq->curr (by the scheduler);
+ *
+ * - [CPU0] loads rq->curr within membarrier and observes
+ * cpu_rq(1)->curr->mm != mm, so the IPI is skipped on
+ * CPU1; this means membarrier relies on switch_mm() to
+ * issue the sync-core;
+ *
+ * - [CPU1] switch_mm() loads icache_stale_mask; if the bit
+ * is zero, switch_mm() may incorrectly skip the sync-core.
+ *
* Matches a full barrier in the proximity of the membarrier
* system call entry.
*/
diff --git a/arch/riscv/include/asm/sync_core.h b/arch/riscv/include/asm/sync_core.h
new file mode 100644
index 0000000000000..9153016da8f14
--- /dev/null
+++ b/arch/riscv/include/asm/sync_core.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_RISCV_SYNC_CORE_H
+#define _ASM_RISCV_SYNC_CORE_H
+
+/*
+ * RISC-V implements return to user-space through an xRET instruction,
+ * which is not core serializing.
+ */
+static inline void sync_core_before_usermode(void)
+{
+ asm volatile ("fence.i" ::: "memory");
+}
+
+#ifdef CONFIG_SMP
+/*
+ * Ensure the next switch_mm() on every CPU issues a core serializing
+ * instruction for the given @mm.
+ */
+static inline void prepare_sync_core_cmd(struct mm_struct *mm)
+{
+ cpumask_setall(&mm->context.icache_stale_mask);
+}
+#else
+static inline void prepare_sync_core_cmd(struct mm_struct *mm)
+{
+}
+#endif /* CONFIG_SMP */
+
+#endif /* _ASM_RISCV_SYNC_CORE_H */
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index a972628e77567..e4a87bcf28d40 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6721,6 +6721,10 @@ static void __sched notrace __schedule(unsigned int sched_mode)
*
* The barrier matches a full barrier in the proximity of
* the membarrier system call entry.
+ *
+ * On RISC-V, this barrier pairing is also needed for the
+ * SYNC_CORE command when switching between processes, cf.
+ * the inline comments in membarrier_arch_switch_mm().
*/
++*switch_count;
diff --git a/kernel/sched/membarrier.c b/kernel/sched/membarrier.c
index 6d1f31b3a967b..703e8d80a576d 100644
--- a/kernel/sched/membarrier.c
+++ b/kernel/sched/membarrier.c
@@ -342,6 +342,10 @@ static int membarrier_private_expedited(int flags, int cpu_id)
/*
* Matches memory barriers after rq->curr modification in
* scheduler.
+ *
+ * On RISC-V, this barrier pairing is also needed for the
+ * SYNC_CORE command when switching between processes, cf.
+ * the inline comments in membarrier_arch_switch_mm().
*/
smp_mb(); /* system call entry is not a mb. */
--
GitLab
From d32b8d7e3d207bf4d5ae06b1e0fca27fd7639371 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sun, 4 Feb 2024 12:15:09 -0300
Subject: [PATCH 0401/2686] sh: dma-sysfs: Make dma_subsys const
Now that the driver core can properly handle constant struct bus_type,
move the dma_subsys variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-sh-v1-1-44ced951bb16@marliere.net
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
---
arch/sh/drivers/dma/dma-sysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/drivers/dma/dma-sysfs.c b/arch/sh/drivers/dma/dma-sysfs.c
index 431bc18f0a411..9f666280d80cc 100644
--- a/arch/sh/drivers/dma/dma-sysfs.c
+++ b/arch/sh/drivers/dma/dma-sysfs.c
@@ -15,7 +15,7 @@
#include <linux/string.h>
#include <asm/dma.h>
-static struct bus_type dma_subsys = {
+static const struct bus_type dma_subsys = {
.name = "dma",
.dev_name = "dma",
};
--
GitLab
From ad4acb2ec205464e5c352c0466603174aecb3a38 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Thu, 8 Feb 2024 16:56:52 -0300
Subject: [PATCH 0402/2686] sh: intc: Make intc_subsys const
Now that the driver core can properly handle constant struct bus_type,
move the make intc_subsys variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20240208-bus_cleanup-sh2-v1-1-729277400893@marliere.net
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
---
drivers/sh/intc/core.c | 2 +-
drivers/sh/intc/internals.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index ca4f4ca413f11..74350b5871dc8 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -455,7 +455,7 @@ struct syscore_ops intc_syscore_ops = {
.resume = intc_resume,
};
-struct bus_type intc_subsys = {
+const struct bus_type intc_subsys = {
.name = "intc",
.dev_name = "intc",
};
diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h
index fa73c173b56a6..9b6cd1bebb4e3 100644
--- a/drivers/sh/intc/internals.h
+++ b/drivers/sh/intc/internals.h
@@ -160,7 +160,7 @@ void _intc_enable(struct irq_data *data, unsigned long handle);
/* core.c */
extern struct list_head intc_list;
extern raw_spinlock_t intc_big_lock;
-extern struct bus_type intc_subsys;
+extern const struct bus_type intc_subsys;
unsigned int intc_get_dfl_prio_level(void);
unsigned int intc_get_prio_level(unsigned int irq);
--
GitLab
From 7b5e0bfc03cb904638200444264cfb20f7f6bea7 Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Mon, 11 Dec 2023 13:50:22 +0200
Subject: [PATCH 0403/2686] thunderbolt: Use DP_LOCAL_CAP for maximum bandwidth
calculation
The DisplayPort IN adapter DP_LOCAL_CAP holds the aggregated
capabilities and gets updated after graphics side does the DPRX
capabilities read so we should use this to figure out the maximum
possible bandwidth for the DisplayPort tunnel.
While there make the variable name to match better what it is used for
and add kernel-doc comment to the function.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/tunnel.c | 57 ++++++++++++++++--------------------
1 file changed, 25 insertions(+), 32 deletions(-)
diff --git a/drivers/thunderbolt/tunnel.c b/drivers/thunderbolt/tunnel.c
index 6fffb2c82d3d1..a766ab2970645 100644
--- a/drivers/thunderbolt/tunnel.c
+++ b/drivers/thunderbolt/tunnel.c
@@ -926,12 +926,18 @@ static int tb_dp_activate(struct tb_tunnel *tunnel, bool active)
return 0;
}
-/* max_bw is rounded up to next granularity */
+/**
+ * tb_dp_bandwidth_mode_maximum_bandwidth() - Maximum possible bandwidth
+ * @tunnel: DP tunnel to check
+ * @max_bw_rounded: Maximum bandwidth in Mb/s rounded up to the next granularity
+ *
+ * Returns maximum possible bandwidth for this tunnel in Mb/s.
+ */
static int tb_dp_bandwidth_mode_maximum_bandwidth(struct tb_tunnel *tunnel,
- int *max_bw)
+ int *max_bw_rounded)
{
struct tb_port *in = tunnel->src_port;
- int ret, rate, lanes, nrd_bw;
+ int ret, rate, lanes, max_bw;
u32 cap;
/*
@@ -947,32 +953,18 @@ static int tb_dp_bandwidth_mode_maximum_bandwidth(struct tb_tunnel *tunnel,
return ret;
rate = tb_dp_cap_get_rate_ext(cap);
- if (tb_dp_is_uhbr_rate(rate)) {
- /*
- * When UHBR is used there is no reduction in lanes so
- * we can use this directly.
- */
- lanes = tb_dp_cap_get_lanes(cap);
- } else {
- /*
- * If there is no UHBR supported then check the
- * non-reduced rate and lanes.
- */
- ret = usb4_dp_port_nrd(in, &rate, &lanes);
- if (ret)
- return ret;
- }
+ lanes = tb_dp_cap_get_lanes(cap);
- nrd_bw = tb_dp_bandwidth(rate, lanes);
+ max_bw = tb_dp_bandwidth(rate, lanes);
- if (max_bw) {
+ if (max_bw_rounded) {
ret = usb4_dp_port_granularity(in);
if (ret < 0)
return ret;
- *max_bw = roundup(nrd_bw, ret);
+ *max_bw_rounded = roundup(max_bw, ret);
}
- return nrd_bw;
+ return max_bw;
}
static int tb_dp_bandwidth_mode_consumed_bandwidth(struct tb_tunnel *tunnel,
@@ -981,7 +973,7 @@ static int tb_dp_bandwidth_mode_consumed_bandwidth(struct tb_tunnel *tunnel,
{
struct tb_port *out = tunnel->dst_port;
struct tb_port *in = tunnel->src_port;
- int ret, allocated_bw, max_bw;
+ int ret, allocated_bw, max_bw_rounded;
if (!usb4_dp_port_bandwidth_mode_enabled(in))
return -EOPNOTSUPP;
@@ -995,10 +987,10 @@ static int tb_dp_bandwidth_mode_consumed_bandwidth(struct tb_tunnel *tunnel,
return ret;
allocated_bw = ret;
- ret = tb_dp_bandwidth_mode_maximum_bandwidth(tunnel, &max_bw);
+ ret = tb_dp_bandwidth_mode_maximum_bandwidth(tunnel, &max_bw_rounded);
if (ret < 0)
return ret;
- if (allocated_bw == max_bw)
+ if (allocated_bw == max_bw_rounded)
allocated_bw = ret;
if (tb_port_path_direction_downstream(in, out)) {
@@ -1023,17 +1015,18 @@ static int tb_dp_allocated_bandwidth(struct tb_tunnel *tunnel, int *allocated_up
* Otherwise we read it from the DPRX.
*/
if (usb4_dp_port_bandwidth_mode_enabled(in) && tunnel->bw_mode) {
- int ret, allocated_bw, max_bw;
+ int ret, allocated_bw, max_bw_rounded;
ret = usb4_dp_port_allocated_bandwidth(in);
if (ret < 0)
return ret;
allocated_bw = ret;
- ret = tb_dp_bandwidth_mode_maximum_bandwidth(tunnel, &max_bw);
+ ret = tb_dp_bandwidth_mode_maximum_bandwidth(tunnel,
+ &max_bw_rounded);
if (ret < 0)
return ret;
- if (allocated_bw == max_bw)
+ if (allocated_bw == max_bw_rounded)
allocated_bw = ret;
if (tb_port_path_direction_downstream(in, out)) {
@@ -1055,24 +1048,24 @@ static int tb_dp_alloc_bandwidth(struct tb_tunnel *tunnel, int *alloc_up,
{
struct tb_port *out = tunnel->dst_port;
struct tb_port *in = tunnel->src_port;
- int max_bw, ret, tmp;
+ int max_bw_rounded, ret, tmp;
if (!usb4_dp_port_bandwidth_mode_enabled(in))
return -EOPNOTSUPP;
- ret = tb_dp_bandwidth_mode_maximum_bandwidth(tunnel, &max_bw);
+ ret = tb_dp_bandwidth_mode_maximum_bandwidth(tunnel, &max_bw_rounded);
if (ret < 0)
return ret;
if (tb_port_path_direction_downstream(in, out)) {
- tmp = min(*alloc_down, max_bw);
+ tmp = min(*alloc_down, max_bw_rounded);
ret = usb4_dp_port_allocate_bandwidth(in, tmp);
if (ret)
return ret;
*alloc_down = tmp;
*alloc_up = 0;
} else {
- tmp = min(*alloc_up, max_bw);
+ tmp = min(*alloc_up, max_bw_rounded);
ret = usb4_dp_port_allocate_bandwidth(in, tmp);
if (ret)
return ret;
--
GitLab
From d44b9827e7f460c7555800065de81b75f4967145 Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Mon, 11 Dec 2023 13:45:37 +0200
Subject: [PATCH 0404/2686] thunderbolt: Re-calculate estimated bandwidth when
allocation mode is enabled
When we program the initial bandwidth estimation the DPTX (graphics
driver) has not yet read the capabilities of the monitor so the values
used are the highest possible of the involved DisplayPort IN and OUT
adapters, not the actual monitor capabilities. To allow the graphics
more accurate bandwidth estimation re-calculate it once we receive the
bandwidth allocation mode enabled notification.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/tb.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 64dd22e1f5b29..5b0434c140f93 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -2413,10 +2413,19 @@ static void tb_handle_dp_bandwidth_request(struct work_struct *work)
ret = usb4_dp_port_requested_bandwidth(in);
if (ret < 0) {
- if (ret == -ENODATA)
- tb_port_dbg(in, "no bandwidth request active\n");
- else
+ if (ret == -ENODATA) {
+ /*
+ * There is no request active so this means the
+ * BW allocation mode was enabled from graphics
+ * side. At this point we know that the graphics
+ * driver has read the DRPX capabilities so we
+ * can offer an better bandwidth estimatation.
+ */
+ tb_port_dbg(in, "DPTX enabled bandwidth allocation mode, updating estimated bandwidth\n");
+ tb_recalc_estimated_bandwidth(tb);
+ } else {
tb_port_warn(in, "failed to read requested bandwidth\n");
+ }
goto put_sw;
}
requested_bw = ret;
--
GitLab
From c7857ee68e1b9b805430f365392b6d40f75a48fc Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Thu, 28 Dec 2023 16:47:39 +0200
Subject: [PATCH 0405/2686] thunderbolt: Handle bandwidth allocation mode
disable request
Graphics can disable DisplayPort bandwidth allocation mode as well so if
this make sure to reset the tunnel state accordingly.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/tb.c | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 5b0434c140f93..abd86fd8d71fe 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -2406,8 +2406,23 @@ static void tb_handle_dp_bandwidth_request(struct work_struct *work)
tb_port_dbg(in, "handling bandwidth allocation request\n");
+ tunnel = tb_find_tunnel(tb, TB_TUNNEL_DP, in, NULL);
+ if (!tunnel) {
+ tb_port_warn(in, "failed to find tunnel\n");
+ goto put_sw;
+ }
+
if (!usb4_dp_port_bandwidth_mode_enabled(in)) {
- tb_port_warn(in, "bandwidth allocation mode not enabled\n");
+ if (tunnel->bw_mode) {
+ /*
+ * Reset the tunnel back to use the legacy
+ * allocation.
+ */
+ tunnel->bw_mode = false;
+ tb_port_dbg(in, "DPTX disabled bandwidth allocation mode\n");
+ } else {
+ tb_port_warn(in, "bandwidth allocation mode not enabled\n");
+ }
goto put_sw;
}
@@ -2432,11 +2447,6 @@ static void tb_handle_dp_bandwidth_request(struct work_struct *work)
tb_port_dbg(in, "requested bandwidth %d Mb/s\n", requested_bw);
- tunnel = tb_find_tunnel(tb, TB_TUNNEL_DP, in, NULL);
- if (!tunnel) {
- tb_port_warn(in, "failed to find tunnel\n");
- goto put_sw;
- }
out = tunnel->dst_port;
--
GitLab
From 2ec67a48cf8f18b8c6cecc70dcd5d52cbf8eba7e Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Thu, 28 Dec 2023 16:49:45 +0200
Subject: [PATCH 0406/2686] thunderbolt: Log an error if DPTX request is not
cleared
This helps debugging issues around DisplayPort bandwidth allocation
mode.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/usb4.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c
index 4b35898aa2166..f4fba144105d0 100644
--- a/drivers/thunderbolt/usb4.c
+++ b/drivers/thunderbolt/usb4.c
@@ -2858,8 +2858,10 @@ static int usb4_dp_port_wait_and_clear_cm_ack(struct tb_port *port,
usleep_range(50, 100);
} while (ktime_before(ktime_get(), end));
- if (val & ADP_DP_CS_8_DR)
+ if (val & ADP_DP_CS_8_DR) {
+ tb_port_warn(port, "timeout waiting for DPTX request to clear\n");
return -ETIMEDOUT;
+ }
ret = tb_port_read(port, &val, TB_CFG_PORT,
port->cap_adap + ADP_DP_CS_2, 1);
--
GitLab
From 37f49727cc53b1987859fc767ac637078d351c4d Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Tue, 9 Jan 2024 17:53:53 +0200
Subject: [PATCH 0407/2686] thunderbolt: Fail the failed bandwidth request
properly
The USB4 spec says that if the Connection Manager writes Allocated_BW
that is smaller than Requested_BW, the DisplayPort IN adapter signals
this failure back to the DPTX (graphics driver). Implement this by
rewriting the same allocated bandwidth values back.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/tb.c | 23 ++++++++++++++++++-----
1 file changed, 18 insertions(+), 5 deletions(-)
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index abd86fd8d71fe..9dbdf2770f0b1 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -2270,11 +2270,11 @@ static int tb_alloc_dp_bandwidth(struct tb_tunnel *tunnel, int *requested_up,
*/
ret = tb_tunnel_maximum_bandwidth(tunnel, &max_up, &max_down);
if (ret)
- return ret;
+ goto fail;
ret = usb4_dp_port_granularity(in);
if (ret < 0)
- return ret;
+ goto fail;
granularity = ret;
max_up_rounded = roundup(max_up, granularity);
@@ -2304,7 +2304,8 @@ static int tb_alloc_dp_bandwidth(struct tb_tunnel *tunnel, int *requested_up,
"bandwidth request too high (%d/%d Mb/s > %d/%d Mb/s)\n",
requested_up_corrected, requested_down_corrected,
max_up_rounded, max_down_rounded);
- return -ENOBUFS;
+ ret = -ENOBUFS;
+ goto fail;
}
if ((*requested_up >= 0 && requested_up_corrected <= allocated_up) ||
@@ -2332,7 +2333,7 @@ static int tb_alloc_dp_bandwidth(struct tb_tunnel *tunnel, int *requested_up,
*/
ret = tb_release_unused_usb3_bandwidth(tb, in, out);
if (ret)
- return ret;
+ goto fail;
/*
* Then go over all tunnels that cross the same USB4 ports (they
@@ -2357,7 +2358,7 @@ static int tb_alloc_dp_bandwidth(struct tb_tunnel *tunnel, int *requested_up,
*requested_down);
if (ret) {
tb_configure_sym(tb, in, out, 0, 0, true);
- return ret;
+ goto fail;
}
ret = tb_tunnel_alloc_bandwidth(tunnel, requested_up,
@@ -2372,6 +2373,18 @@ static int tb_alloc_dp_bandwidth(struct tb_tunnel *tunnel, int *requested_up,
reclaim:
tb_reclaim_usb3_bandwidth(tb, in, out);
+fail:
+ if (ret && ret != -ENODEV) {
+ /*
+ * Write back the same allocated (so no change), this
+ * makes the DPTX request fail on graphics side.
+ */
+ tb_tunnel_dbg(tunnel,
+ "failing the request by rewriting allocated %d/%d Mb/s\n",
+ allocated_up, allocated_down);
+ tb_tunnel_alloc_bandwidth(tunnel, &allocated_up, &allocated_down);
+ }
+
return ret;
}
--
GitLab
From fca0f40ac7ff1213ffc1757b9cd4d126c69d3931 Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Mon, 29 Jan 2024 13:23:54 +0200
Subject: [PATCH 0408/2686] thunderbolt: Re-order bandwidth group functions
This is needed by the following patches so that we do not have to add
forward declaratations for any of these. Separating the move and the
actual changes also makes it easier to review the code.
No functional changes.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/tb.c | 454 +++++++++++++++++++--------------------
1 file changed, 225 insertions(+), 229 deletions(-)
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 9dbdf2770f0b1..d23a80339a8de 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -75,112 +75,6 @@ struct tb_hotplug_event {
bool unplug;
};
-static void tb_init_bandwidth_groups(struct tb_cm *tcm)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(tcm->groups); i++) {
- struct tb_bandwidth_group *group = &tcm->groups[i];
-
- group->tb = tcm_to_tb(tcm);
- group->index = i + 1;
- INIT_LIST_HEAD(&group->ports);
- }
-}
-
-static void tb_bandwidth_group_attach_port(struct tb_bandwidth_group *group,
- struct tb_port *in)
-{
- if (!group || WARN_ON(in->group))
- return;
-
- in->group = group;
- list_add_tail(&in->group_list, &group->ports);
-
- tb_port_dbg(in, "attached to bandwidth group %d\n", group->index);
-}
-
-static struct tb_bandwidth_group *tb_find_free_bandwidth_group(struct tb_cm *tcm)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(tcm->groups); i++) {
- struct tb_bandwidth_group *group = &tcm->groups[i];
-
- if (list_empty(&group->ports))
- return group;
- }
-
- return NULL;
-}
-
-static struct tb_bandwidth_group *
-tb_attach_bandwidth_group(struct tb_cm *tcm, struct tb_port *in,
- struct tb_port *out)
-{
- struct tb_bandwidth_group *group;
- struct tb_tunnel *tunnel;
-
- /*
- * Find all DP tunnels that go through all the same USB4 links
- * as this one. Because we always setup tunnels the same way we
- * can just check for the routers at both ends of the tunnels
- * and if they are the same we have a match.
- */
- list_for_each_entry(tunnel, &tcm->tunnel_list, list) {
- if (!tb_tunnel_is_dp(tunnel))
- continue;
-
- if (tunnel->src_port->sw == in->sw &&
- tunnel->dst_port->sw == out->sw) {
- group = tunnel->src_port->group;
- if (group) {
- tb_bandwidth_group_attach_port(group, in);
- return group;
- }
- }
- }
-
- /* Pick up next available group then */
- group = tb_find_free_bandwidth_group(tcm);
- if (group)
- tb_bandwidth_group_attach_port(group, in);
- else
- tb_port_warn(in, "no available bandwidth groups\n");
-
- return group;
-}
-
-static void tb_discover_bandwidth_group(struct tb_cm *tcm, struct tb_port *in,
- struct tb_port *out)
-{
- if (usb4_dp_port_bandwidth_mode_enabled(in)) {
- int index, i;
-
- index = usb4_dp_port_group_id(in);
- for (i = 0; i < ARRAY_SIZE(tcm->groups); i++) {
- if (tcm->groups[i].index == index) {
- tb_bandwidth_group_attach_port(&tcm->groups[i], in);
- return;
- }
- }
- }
-
- tb_attach_bandwidth_group(tcm, in, out);
-}
-
-static void tb_detach_bandwidth_group(struct tb_port *in)
-{
- struct tb_bandwidth_group *group = in->group;
-
- if (group) {
- in->group = NULL;
- list_del_init(&in->group_list);
-
- tb_port_dbg(in, "detached from bandwidth group %d\n", group->index);
- }
-}
-
static void tb_handle_hotplug(struct work_struct *work);
static void tb_queue_hotplug(struct tb *tb, u64 route, u8 port, bool unplug)
@@ -472,34 +366,6 @@ static void tb_switch_discover_tunnels(struct tb_switch *sw,
}
}
-static void tb_discover_tunnels(struct tb *tb)
-{
- struct tb_cm *tcm = tb_priv(tb);
- struct tb_tunnel *tunnel;
-
- tb_switch_discover_tunnels(tb->root_switch, &tcm->tunnel_list, true);
-
- list_for_each_entry(tunnel, &tcm->tunnel_list, list) {
- if (tb_tunnel_is_pci(tunnel)) {
- struct tb_switch *parent = tunnel->dst_port->sw;
-
- while (parent != tunnel->src_port->sw) {
- parent->boot = true;
- parent = tb_switch_parent(parent);
- }
- } else if (tb_tunnel_is_dp(tunnel)) {
- struct tb_port *in = tunnel->src_port;
- struct tb_port *out = tunnel->dst_port;
-
- /* Keep the domain from powering down */
- pm_runtime_get_sync(&in->sw->dev);
- pm_runtime_get_sync(&out->sw->dev);
-
- tb_discover_bandwidth_group(tcm, in, out);
- }
- }
-}
-
static int tb_port_configure_xdomain(struct tb_port *port, struct tb_xdomain *xd)
{
if (tb_switch_is_usb4(port->sw))
@@ -1464,6 +1330,231 @@ static void tb_scan_port(struct tb_port *port)
}
}
+static void
+tb_recalc_estimated_bandwidth_for_group(struct tb_bandwidth_group *group)
+{
+ struct tb_tunnel *first_tunnel;
+ struct tb *tb = group->tb;
+ struct tb_port *in;
+ int ret;
+
+ tb_dbg(tb, "re-calculating bandwidth estimation for group %u\n",
+ group->index);
+
+ first_tunnel = NULL;
+ list_for_each_entry(in, &group->ports, group_list) {
+ int estimated_bw, estimated_up, estimated_down;
+ struct tb_tunnel *tunnel;
+ struct tb_port *out;
+
+ if (!usb4_dp_port_bandwidth_mode_enabled(in))
+ continue;
+
+ tunnel = tb_find_tunnel(tb, TB_TUNNEL_DP, in, NULL);
+ if (WARN_ON(!tunnel))
+ break;
+
+ if (!first_tunnel) {
+ /*
+ * Since USB3 bandwidth is shared by all DP
+ * tunnels under the host router USB4 port, even
+ * if they do not begin from the host router, we
+ * can release USB3 bandwidth just once and not
+ * for each tunnel separately.
+ */
+ first_tunnel = tunnel;
+ ret = tb_release_unused_usb3_bandwidth(tb,
+ first_tunnel->src_port, first_tunnel->dst_port);
+ if (ret) {
+ tb_tunnel_warn(tunnel,
+ "failed to release unused bandwidth\n");
+ break;
+ }
+ }
+
+ out = tunnel->dst_port;
+ ret = tb_available_bandwidth(tb, in, out, &estimated_up,
+ &estimated_down, true);
+ if (ret) {
+ tb_tunnel_warn(tunnel,
+ "failed to re-calculate estimated bandwidth\n");
+ break;
+ }
+
+ /*
+ * Estimated bandwidth includes:
+ * - already allocated bandwidth for the DP tunnel
+ * - available bandwidth along the path
+ * - bandwidth allocated for USB 3.x but not used.
+ */
+ if (tb_port_path_direction_downstream(in, out))
+ estimated_bw = estimated_down;
+ else
+ estimated_bw = estimated_up;
+
+ if (usb4_dp_port_set_estimated_bandwidth(in, estimated_bw))
+ tb_tunnel_warn(tunnel,
+ "failed to update estimated bandwidth\n");
+ }
+
+ if (first_tunnel)
+ tb_reclaim_usb3_bandwidth(tb, first_tunnel->src_port,
+ first_tunnel->dst_port);
+
+ tb_dbg(tb, "bandwidth estimation for group %u done\n", group->index);
+}
+
+static void tb_recalc_estimated_bandwidth(struct tb *tb)
+{
+ struct tb_cm *tcm = tb_priv(tb);
+ int i;
+
+ tb_dbg(tb, "bandwidth consumption changed, re-calculating estimated bandwidth\n");
+
+ for (i = 0; i < ARRAY_SIZE(tcm->groups); i++) {
+ struct tb_bandwidth_group *group = &tcm->groups[i];
+
+ if (!list_empty(&group->ports))
+ tb_recalc_estimated_bandwidth_for_group(group);
+ }
+
+ tb_dbg(tb, "bandwidth re-calculation done\n");
+}
+
+static void tb_init_bandwidth_groups(struct tb_cm *tcm)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(tcm->groups); i++) {
+ struct tb_bandwidth_group *group = &tcm->groups[i];
+
+ group->tb = tcm_to_tb(tcm);
+ group->index = i + 1;
+ INIT_LIST_HEAD(&group->ports);
+ }
+}
+
+static void tb_bandwidth_group_attach_port(struct tb_bandwidth_group *group,
+ struct tb_port *in)
+{
+ if (!group || WARN_ON(in->group))
+ return;
+
+ in->group = group;
+ list_add_tail(&in->group_list, &group->ports);
+
+ tb_port_dbg(in, "attached to bandwidth group %d\n", group->index);
+}
+
+static struct tb_bandwidth_group *tb_find_free_bandwidth_group(struct tb_cm *tcm)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(tcm->groups); i++) {
+ struct tb_bandwidth_group *group = &tcm->groups[i];
+
+ if (list_empty(&group->ports))
+ return group;
+ }
+
+ return NULL;
+}
+
+static struct tb_bandwidth_group *
+tb_attach_bandwidth_group(struct tb_cm *tcm, struct tb_port *in,
+ struct tb_port *out)
+{
+ struct tb_bandwidth_group *group;
+ struct tb_tunnel *tunnel;
+
+ /*
+ * Find all DP tunnels that go through all the same USB4 links
+ * as this one. Because we always setup tunnels the same way we
+ * can just check for the routers at both ends of the tunnels
+ * and if they are the same we have a match.
+ */
+ list_for_each_entry(tunnel, &tcm->tunnel_list, list) {
+ if (!tb_tunnel_is_dp(tunnel))
+ continue;
+
+ if (tunnel->src_port->sw == in->sw &&
+ tunnel->dst_port->sw == out->sw) {
+ group = tunnel->src_port->group;
+ if (group) {
+ tb_bandwidth_group_attach_port(group, in);
+ return group;
+ }
+ }
+ }
+
+ /* Pick up next available group then */
+ group = tb_find_free_bandwidth_group(tcm);
+ if (group)
+ tb_bandwidth_group_attach_port(group, in);
+ else
+ tb_port_warn(in, "no available bandwidth groups\n");
+
+ return group;
+}
+
+static void tb_discover_bandwidth_group(struct tb_cm *tcm, struct tb_port *in,
+ struct tb_port *out)
+{
+ if (usb4_dp_port_bandwidth_mode_enabled(in)) {
+ int index, i;
+
+ index = usb4_dp_port_group_id(in);
+ for (i = 0; i < ARRAY_SIZE(tcm->groups); i++) {
+ if (tcm->groups[i].index == index) {
+ tb_bandwidth_group_attach_port(&tcm->groups[i], in);
+ return;
+ }
+ }
+ }
+
+ tb_attach_bandwidth_group(tcm, in, out);
+}
+
+static void tb_detach_bandwidth_group(struct tb_port *in)
+{
+ struct tb_bandwidth_group *group = in->group;
+
+ if (group) {
+ in->group = NULL;
+ list_del_init(&in->group_list);
+
+ tb_port_dbg(in, "detached from bandwidth group %d\n", group->index);
+ }
+}
+
+static void tb_discover_tunnels(struct tb *tb)
+{
+ struct tb_cm *tcm = tb_priv(tb);
+ struct tb_tunnel *tunnel;
+
+ tb_switch_discover_tunnels(tb->root_switch, &tcm->tunnel_list, true);
+
+ list_for_each_entry(tunnel, &tcm->tunnel_list, list) {
+ if (tb_tunnel_is_pci(tunnel)) {
+ struct tb_switch *parent = tunnel->dst_port->sw;
+
+ while (parent != tunnel->src_port->sw) {
+ parent->boot = true;
+ parent = tb_switch_parent(parent);
+ }
+ } else if (tb_tunnel_is_dp(tunnel)) {
+ struct tb_port *in = tunnel->src_port;
+ struct tb_port *out = tunnel->dst_port;
+
+ /* Keep the domain from powering down */
+ pm_runtime_get_sync(&in->sw->dev);
+ pm_runtime_get_sync(&out->sw->dev);
+
+ tb_discover_bandwidth_group(tcm, in, out);
+ }
+ }
+}
+
static void tb_deactivate_and_free_tunnel(struct tb_tunnel *tunnel)
{
struct tb_port *src_port, *dst_port;
@@ -1605,101 +1696,6 @@ static struct tb_port *tb_find_pcie_down(struct tb_switch *sw,
return tb_find_unused_port(sw, TB_TYPE_PCIE_DOWN);
}
-static void
-tb_recalc_estimated_bandwidth_for_group(struct tb_bandwidth_group *group)
-{
- struct tb_tunnel *first_tunnel;
- struct tb *tb = group->tb;
- struct tb_port *in;
- int ret;
-
- tb_dbg(tb, "re-calculating bandwidth estimation for group %u\n",
- group->index);
-
- first_tunnel = NULL;
- list_for_each_entry(in, &group->ports, group_list) {
- int estimated_bw, estimated_up, estimated_down;
- struct tb_tunnel *tunnel;
- struct tb_port *out;
-
- if (!usb4_dp_port_bandwidth_mode_enabled(in))
- continue;
-
- tunnel = tb_find_tunnel(tb, TB_TUNNEL_DP, in, NULL);
- if (WARN_ON(!tunnel))
- break;
-
- if (!first_tunnel) {
- /*
- * Since USB3 bandwidth is shared by all DP
- * tunnels under the host router USB4 port, even
- * if they do not begin from the host router, we
- * can release USB3 bandwidth just once and not
- * for each tunnel separately.
- */
- first_tunnel = tunnel;
- ret = tb_release_unused_usb3_bandwidth(tb,
- first_tunnel->src_port, first_tunnel->dst_port);
- if (ret) {
- tb_tunnel_warn(tunnel,
- "failed to release unused bandwidth\n");
- break;
- }
- }
-
- out = tunnel->dst_port;
- ret = tb_available_bandwidth(tb, in, out, &estimated_up,
- &estimated_down, true);
- if (ret) {
- tb_tunnel_warn(tunnel,
- "failed to re-calculate estimated bandwidth\n");
- break;
- }
-
- /*
- * Estimated bandwidth includes:
- * - already allocated bandwidth for the DP tunnel
- * - available bandwidth along the path
- * - bandwidth allocated for USB 3.x but not used.
- */
- tb_tunnel_dbg(tunnel,
- "re-calculated estimated bandwidth %u/%u Mb/s\n",
- estimated_up, estimated_down);
-
- if (tb_port_path_direction_downstream(in, out))
- estimated_bw = estimated_down;
- else
- estimated_bw = estimated_up;
-
- if (usb4_dp_port_set_estimated_bandwidth(in, estimated_bw))
- tb_tunnel_warn(tunnel,
- "failed to update estimated bandwidth\n");
- }
-
- if (first_tunnel)
- tb_reclaim_usb3_bandwidth(tb, first_tunnel->src_port,
- first_tunnel->dst_port);
-
- tb_dbg(tb, "bandwidth estimation for group %u done\n", group->index);
-}
-
-static void tb_recalc_estimated_bandwidth(struct tb *tb)
-{
- struct tb_cm *tcm = tb_priv(tb);
- int i;
-
- tb_dbg(tb, "bandwidth consumption changed, re-calculating estimated bandwidth\n");
-
- for (i = 0; i < ARRAY_SIZE(tcm->groups); i++) {
- struct tb_bandwidth_group *group = &tcm->groups[i];
-
- if (!list_empty(&group->ports))
- tb_recalc_estimated_bandwidth_for_group(group);
- }
-
- tb_dbg(tb, "bandwidth re-calculation done\n");
-}
-
static struct tb_port *tb_find_dp_out(struct tb *tb, struct tb_port *in)
{
struct tb_port *host_port, *port;
--
GitLab
From 769da9708ae62f3c0a491b67c9514a53e5769feb Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Tue, 9 Jan 2024 17:48:34 +0200
Subject: [PATCH 0409/2686] thunderbolt: Introduce
tb_tunnel_direction_downstream()
This helper takes tunnel as parameter. Convert existing code to call
this where possible.
No functional changes.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/tb.c | 9 +++------
drivers/thunderbolt/tunnel.c | 23 +++++++++--------------
drivers/thunderbolt/tunnel.h | 6 ++++++
3 files changed, 18 insertions(+), 20 deletions(-)
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index d23a80339a8de..e664045ad41c7 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -1387,7 +1387,7 @@ tb_recalc_estimated_bandwidth_for_group(struct tb_bandwidth_group *group)
* - available bandwidth along the path
* - bandwidth allocated for USB 3.x but not used.
*/
- if (tb_port_path_direction_downstream(in, out))
+ if (tb_tunnel_direction_downstream(tunnel))
estimated_bw = estimated_down;
else
estimated_bw = estimated_up;
@@ -2388,11 +2388,11 @@ static void tb_handle_dp_bandwidth_request(struct work_struct *work)
{
struct tb_hotplug_event *ev = container_of(work, typeof(*ev), work);
int requested_bw, requested_up, requested_down, ret;
- struct tb_port *in, *out;
struct tb_tunnel *tunnel;
struct tb *tb = ev->tb;
struct tb_cm *tcm = tb_priv(tb);
struct tb_switch *sw;
+ struct tb_port *in;
pm_runtime_get_sync(&tb->dev);
@@ -2456,10 +2456,7 @@ static void tb_handle_dp_bandwidth_request(struct work_struct *work)
tb_port_dbg(in, "requested bandwidth %d Mb/s\n", requested_bw);
-
- out = tunnel->dst_port;
-
- if (tb_port_path_direction_downstream(in, out)) {
+ if (tb_tunnel_direction_downstream(tunnel)) {
requested_up = -1;
requested_down = requested_bw;
} else {
diff --git a/drivers/thunderbolt/tunnel.c b/drivers/thunderbolt/tunnel.c
index a766ab2970645..e02b34654d296 100644
--- a/drivers/thunderbolt/tunnel.c
+++ b/drivers/thunderbolt/tunnel.c
@@ -706,7 +706,7 @@ static int tb_dp_xchg_caps(struct tb_tunnel *tunnel)
"DP OUT maximum supported bandwidth %u Mb/s x%u = %u Mb/s\n",
out_rate, out_lanes, bw);
- if (tb_port_path_direction_downstream(in, out))
+ if (tb_tunnel_direction_downstream(tunnel))
max_bw = tunnel->max_down;
else
max_bw = tunnel->max_up;
@@ -831,7 +831,7 @@ static int tb_dp_bandwidth_alloc_mode_enable(struct tb_tunnel *tunnel)
* max_up/down fields. For discovery we just read what the
* estimation was set to.
*/
- if (tb_port_path_direction_downstream(in, out))
+ if (tb_tunnel_direction_downstream(tunnel))
estimated_bw = tunnel->max_down;
else
estimated_bw = tunnel->max_up;
@@ -971,7 +971,6 @@ static int tb_dp_bandwidth_mode_consumed_bandwidth(struct tb_tunnel *tunnel,
int *consumed_up,
int *consumed_down)
{
- struct tb_port *out = tunnel->dst_port;
struct tb_port *in = tunnel->src_port;
int ret, allocated_bw, max_bw_rounded;
@@ -993,7 +992,7 @@ static int tb_dp_bandwidth_mode_consumed_bandwidth(struct tb_tunnel *tunnel,
if (allocated_bw == max_bw_rounded)
allocated_bw = ret;
- if (tb_port_path_direction_downstream(in, out)) {
+ if (tb_tunnel_direction_downstream(tunnel)) {
*consumed_up = 0;
*consumed_down = allocated_bw;
} else {
@@ -1007,7 +1006,6 @@ static int tb_dp_bandwidth_mode_consumed_bandwidth(struct tb_tunnel *tunnel,
static int tb_dp_allocated_bandwidth(struct tb_tunnel *tunnel, int *allocated_up,
int *allocated_down)
{
- struct tb_port *out = tunnel->dst_port;
struct tb_port *in = tunnel->src_port;
/*
@@ -1029,7 +1027,7 @@ static int tb_dp_allocated_bandwidth(struct tb_tunnel *tunnel, int *allocated_up
if (allocated_bw == max_bw_rounded)
allocated_bw = ret;
- if (tb_port_path_direction_downstream(in, out)) {
+ if (tb_tunnel_direction_downstream(tunnel)) {
*allocated_up = 0;
*allocated_down = allocated_bw;
} else {
@@ -1046,7 +1044,6 @@ static int tb_dp_allocated_bandwidth(struct tb_tunnel *tunnel, int *allocated_up
static int tb_dp_alloc_bandwidth(struct tb_tunnel *tunnel, int *alloc_up,
int *alloc_down)
{
- struct tb_port *out = tunnel->dst_port;
struct tb_port *in = tunnel->src_port;
int max_bw_rounded, ret, tmp;
@@ -1057,7 +1054,7 @@ static int tb_dp_alloc_bandwidth(struct tb_tunnel *tunnel, int *alloc_up,
if (ret < 0)
return ret;
- if (tb_port_path_direction_downstream(in, out)) {
+ if (tb_tunnel_direction_downstream(tunnel)) {
tmp = min(*alloc_down, max_bw_rounded);
ret = usb4_dp_port_allocate_bandwidth(in, tmp);
if (ret)
@@ -1143,17 +1140,16 @@ static int tb_dp_read_cap(struct tb_tunnel *tunnel, unsigned int cap, u32 *rate,
static int tb_dp_maximum_bandwidth(struct tb_tunnel *tunnel, int *max_up,
int *max_down)
{
- struct tb_port *in = tunnel->src_port;
int ret;
- if (!usb4_dp_port_bandwidth_mode_enabled(in))
+ if (!usb4_dp_port_bandwidth_mode_enabled(tunnel->src_port))
return -EOPNOTSUPP;
ret = tb_dp_bandwidth_mode_maximum_bandwidth(tunnel, NULL);
if (ret < 0)
return ret;
- if (tb_port_path_direction_downstream(in, tunnel->dst_port)) {
+ if (tb_tunnel_direction_downstream(tunnel)) {
*max_up = 0;
*max_down = ret;
} else {
@@ -1167,8 +1163,7 @@ static int tb_dp_maximum_bandwidth(struct tb_tunnel *tunnel, int *max_up,
static int tb_dp_consumed_bandwidth(struct tb_tunnel *tunnel, int *consumed_up,
int *consumed_down)
{
- struct tb_port *in = tunnel->src_port;
- const struct tb_switch *sw = in->sw;
+ const struct tb_switch *sw = tunnel->src_port->sw;
u32 rate = 0, lanes = 0;
int ret;
@@ -1214,7 +1209,7 @@ static int tb_dp_consumed_bandwidth(struct tb_tunnel *tunnel, int *consumed_up,
return 0;
}
- if (tb_port_path_direction_downstream(in, tunnel->dst_port)) {
+ if (tb_tunnel_direction_downstream(tunnel)) {
*consumed_up = 0;
*consumed_down = tb_dp_bandwidth(rate, lanes);
} else {
diff --git a/drivers/thunderbolt/tunnel.h b/drivers/thunderbolt/tunnel.h
index b4cff5482112d..1a27ccd08b861 100644
--- a/drivers/thunderbolt/tunnel.h
+++ b/drivers/thunderbolt/tunnel.h
@@ -139,6 +139,12 @@ static inline bool tb_tunnel_is_usb3(const struct tb_tunnel *tunnel)
return tunnel->type == TB_TUNNEL_USB3;
}
+static inline bool tb_tunnel_direction_downstream(const struct tb_tunnel *tunnel)
+{
+ return tb_port_path_direction_downstream(tunnel->src_port,
+ tunnel->dst_port);
+}
+
const char *tb_tunnel_type_name(const struct tb_tunnel *tunnel);
#define __TB_TUNNEL_PRINT(level, tunnel, fmt, arg...) \
--
GitLab
From 52a4490e89d7c4effe613d8dffd2ac0a2a786bd7 Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Tue, 9 Jan 2024 17:57:10 +0200
Subject: [PATCH 0410/2686] thunderbolt: Reserve released DisplayPort bandwidth
for a group for 10 seconds
The USB4 spec says that the Connection Manager should reserve the
bandwidth that is released in the same group for 10 seconds before it
can be shared with other groups. Add support for this. We also delay the
symmetric transition by that same 10 seconds to avoid any unnecessary
transitions (i.e if the released bandwidth is used by another
DisplayPort tunnel in the same group the link can stay asymmetric the
whole time).
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/domain.c | 4 +
drivers/thunderbolt/tb.c | 199 ++++++++++++++++++++++++++++++-----
drivers/thunderbolt/tb.h | 10 ++
3 files changed, 184 insertions(+), 29 deletions(-)
diff --git a/drivers/thunderbolt/domain.c b/drivers/thunderbolt/domain.c
index ee8a894bd70d1..d7abb8c445aa2 100644
--- a/drivers/thunderbolt/domain.c
+++ b/drivers/thunderbolt/domain.c
@@ -506,6 +506,10 @@ void tb_domain_remove(struct tb *tb)
mutex_unlock(&tb->lock);
flush_workqueue(tb->wq);
+
+ if (tb->cm_ops->deinit)
+ tb->cm_ops->deinit(tb);
+
device_unregister(&tb->dev);
}
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index e664045ad41c7..eda53567fa4a3 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -17,6 +17,7 @@
#include "tunnel.h"
#define TB_TIMEOUT 100 /* ms */
+#define TB_RELEASE_BW_TIMEOUT 10000 /* ms */
/*
* Minimum bandwidth (in Mb/s) that is needed in the single transmitter/receiver
@@ -547,6 +548,10 @@ static int tb_consumed_usb3_pcie_bandwidth(struct tb *tb,
* Calculates consumed DP bandwidth at @port between path from @src_port
* to @dst_port. Does not take tunnel starting from @src_port and ending
* from @src_port into account.
+ *
+ * If there is bandwidth reserved for any of the groups between
+ * @src_port and @dst_port (but not yet used) that is also taken into
+ * account in the returned consumed bandwidth.
*/
static int tb_consumed_dp_bandwidth(struct tb *tb,
struct tb_port *src_port,
@@ -555,9 +560,11 @@ static int tb_consumed_dp_bandwidth(struct tb *tb,
int *consumed_up,
int *consumed_down)
{
+ int group_reserved[MAX_GROUPS] = {};
struct tb_cm *tcm = tb_priv(tb);
struct tb_tunnel *tunnel;
- int ret;
+ bool downstream;
+ int i, ret;
*consumed_up = *consumed_down = 0;
@@ -566,6 +573,7 @@ static int tb_consumed_dp_bandwidth(struct tb *tb,
* their consumed bandwidth from the available.
*/
list_for_each_entry(tunnel, &tcm->tunnel_list, list) {
+ const struct tb_bandwidth_group *group;
int dp_consumed_up, dp_consumed_down;
if (tb_tunnel_is_invalid(tunnel))
@@ -577,6 +585,15 @@ static int tb_consumed_dp_bandwidth(struct tb *tb,
if (!tb_tunnel_port_on_path(tunnel, port))
continue;
+ /*
+ * Calculate what is reserved for groups crossing the
+ * same ports only once (as that is reserved for all the
+ * tunnels in the group).
+ */
+ group = tunnel->src_port->group;
+ if (group && group->reserved && !group_reserved[group->index])
+ group_reserved[group->index] = group->reserved;
+
/*
* Ignore the DP tunnel between src_port and dst_port
* because it is the same tunnel and we may be
@@ -595,6 +612,14 @@ static int tb_consumed_dp_bandwidth(struct tb *tb,
*consumed_down += dp_consumed_down;
}
+ downstream = tb_port_path_direction_downstream(src_port, dst_port);
+ for (i = 0; i < ARRAY_SIZE(group_reserved); i++) {
+ if (downstream)
+ *consumed_down += group_reserved[i];
+ else
+ *consumed_up += group_reserved[i];
+ }
+
return 0;
}
@@ -1047,8 +1072,6 @@ static int tb_configure_asym(struct tb *tb, struct tb_port *src_port,
* @tb: Domain structure
* @src_port: Source adapter to start the transition
* @dst_port: Destination adapter
- * @requested_up: New lower bandwidth request upstream (Mb/s)
- * @requested_down: New lower bandwidth request downstream (Mb/s)
* @keep_asym: Keep asymmetric link if preferred
*
* Goes over each link from @src_port to @dst_port and tries to
@@ -1056,8 +1079,7 @@ static int tb_configure_asym(struct tb *tb, struct tb_port *src_port,
* allows and link asymmetric preference is ignored (if @keep_asym is %false).
*/
static int tb_configure_sym(struct tb *tb, struct tb_port *src_port,
- struct tb_port *dst_port, int requested_up,
- int requested_down, bool keep_asym)
+ struct tb_port *dst_port, bool keep_asym)
{
bool clx = false, clx_disabled = false, downstream;
struct tb_switch *sw;
@@ -1096,10 +1118,10 @@ static int tb_configure_sym(struct tb *tb, struct tb_port *src_port,
* guard band 10%) as the link was configured asymmetric
* already.
*/
- if (consumed_down + requested_down >= asym_threshold)
+ if (consumed_down >= asym_threshold)
continue;
} else {
- if (consumed_up + requested_up >= asym_threshold)
+ if (consumed_up >= asym_threshold)
continue;
}
@@ -1172,7 +1194,7 @@ static void tb_configure_link(struct tb_port *down, struct tb_port *up,
struct tb_port *host_port;
host_port = tb_port_at(tb_route(sw), tb->root_switch);
- tb_configure_sym(tb, host_port, up, 0, 0, false);
+ tb_configure_sym(tb, host_port, up, false);
}
/* Set the link configured */
@@ -1392,7 +1414,17 @@ tb_recalc_estimated_bandwidth_for_group(struct tb_bandwidth_group *group)
else
estimated_bw = estimated_up;
- if (usb4_dp_port_set_estimated_bandwidth(in, estimated_bw))
+ /*
+ * If there is reserved bandwidth for the group that is
+ * not yet released we report that too.
+ */
+ tb_tunnel_dbg(tunnel,
+ "re-calculated estimated bandwidth %u (+ %u reserved) = %u Mb/s\n",
+ estimated_bw, group->reserved,
+ estimated_bw + group->reserved);
+
+ if (usb4_dp_port_set_estimated_bandwidth(in,
+ estimated_bw + group->reserved))
tb_tunnel_warn(tunnel,
"failed to update estimated bandwidth\n");
}
@@ -1421,6 +1453,54 @@ static void tb_recalc_estimated_bandwidth(struct tb *tb)
tb_dbg(tb, "bandwidth re-calculation done\n");
}
+static bool __release_group_bandwidth(struct tb_bandwidth_group *group)
+{
+ if (group->reserved) {
+ tb_dbg(group->tb, "group %d released total %d Mb/s\n", group->index,
+ group->reserved);
+ group->reserved = 0;
+ return true;
+ }
+ return false;
+}
+
+static void __configure_group_sym(struct tb_bandwidth_group *group)
+{
+ struct tb_tunnel *tunnel;
+ struct tb_port *in;
+
+ if (list_empty(&group->ports))
+ return;
+
+ /*
+ * All the tunnels in the group go through the same USB4 links
+ * so we find the first one here and pass the IN and OUT
+ * adapters to tb_configure_sym() which now transitions the
+ * links back to symmetric if bandwidth requirement < asym_threshold.
+ *
+ * We do this here to avoid unnecessary transitions (for example
+ * if the graphics released bandwidth for other tunnel in the
+ * same group).
+ */
+ in = list_first_entry(&group->ports, struct tb_port, group_list);
+ tunnel = tb_find_tunnel(group->tb, TB_TUNNEL_DP, in, NULL);
+ if (tunnel)
+ tb_configure_sym(group->tb, in, tunnel->dst_port, true);
+}
+
+static void tb_bandwidth_group_release_work(struct work_struct *work)
+{
+ struct tb_bandwidth_group *group =
+ container_of(work, typeof(*group), release_work.work);
+ struct tb *tb = group->tb;
+
+ mutex_lock(&tb->lock);
+ if (__release_group_bandwidth(group))
+ tb_recalc_estimated_bandwidth(tb);
+ __configure_group_sym(group);
+ mutex_unlock(&tb->lock);
+}
+
static void tb_init_bandwidth_groups(struct tb_cm *tcm)
{
int i;
@@ -1431,6 +1511,8 @@ static void tb_init_bandwidth_groups(struct tb_cm *tcm)
group->tb = tcm_to_tb(tcm);
group->index = i + 1;
INIT_LIST_HEAD(&group->ports);
+ INIT_DELAYED_WORK(&group->release_work,
+ tb_bandwidth_group_release_work);
}
}
@@ -1524,6 +1606,12 @@ static void tb_detach_bandwidth_group(struct tb_port *in)
list_del_init(&in->group_list);
tb_port_dbg(in, "detached from bandwidth group %d\n", group->index);
+
+ /* No more tunnels so release the reserved bandwidth if any */
+ if (list_empty(&group->ports)) {
+ cancel_delayed_work(&group->release_work);
+ __release_group_bandwidth(group);
+ }
}
}
@@ -1582,7 +1670,7 @@ static void tb_deactivate_and_free_tunnel(struct tb_tunnel *tunnel)
* If bandwidth on a link is < asym_threshold
* transition the link to symmetric.
*/
- tb_configure_sym(tb, src_port, dst_port, 0, 0, true);
+ tb_configure_sym(tb, src_port, dst_port, true);
/* Now we can allow the domain to runtime suspend again */
pm_runtime_mark_last_busy(&dst_port->sw->dev);
pm_runtime_put_autosuspend(&dst_port->sw->dev);
@@ -2239,8 +2327,10 @@ static int tb_alloc_dp_bandwidth(struct tb_tunnel *tunnel, int *requested_up,
int allocated_up, allocated_down, available_up, available_down, ret;
int requested_up_corrected, requested_down_corrected, granularity;
int max_up, max_down, max_up_rounded, max_down_rounded;
+ struct tb_bandwidth_group *group;
struct tb *tb = tunnel->tb;
struct tb_port *in, *out;
+ bool downstream;
ret = tb_tunnel_allocated_bandwidth(tunnel, &allocated_up, &allocated_down);
if (ret)
@@ -2304,21 +2394,44 @@ static int tb_alloc_dp_bandwidth(struct tb_tunnel *tunnel, int *requested_up,
goto fail;
}
+ downstream = tb_tunnel_direction_downstream(tunnel);
+ group = in->group;
+
if ((*requested_up >= 0 && requested_up_corrected <= allocated_up) ||
(*requested_down >= 0 && requested_down_corrected <= allocated_down)) {
- /*
- * If bandwidth on a link is < asym_threshold transition
- * the link to symmetric.
- */
- tb_configure_sym(tb, in, out, *requested_up, *requested_down, true);
- /*
- * If requested bandwidth is less or equal than what is
- * currently allocated to that tunnel we simply change
- * the reservation of the tunnel. Since all the tunnels
- * going out from the same USB4 port are in the same
- * group the released bandwidth will be taken into
- * account for the other tunnels automatically below.
- */
+ if (tunnel->bw_mode) {
+ int reserved;
+ /*
+ * If requested bandwidth is less or equal than
+ * what is currently allocated to that tunnel we
+ * simply change the reservation of the tunnel
+ * and add the released bandwidth for the group
+ * for the next 10s. Then we release it for
+ * others to use.
+ */
+ if (downstream)
+ reserved = allocated_down - *requested_down;
+ else
+ reserved = allocated_up - *requested_up;
+
+ if (reserved > 0) {
+ group->reserved += reserved;
+ tb_dbg(tb, "group %d reserved %d total %d Mb/s\n",
+ group->index, reserved, group->reserved);
+
+ /*
+ * If it was not already pending,
+ * schedule release now. If it is then
+ * postpone it for the next 10s (unless
+ * it is already running in which case
+ * the 10s already expired and we should
+ * give the reserved back to others).
+ */
+ mod_delayed_work(system_wq, &group->release_work,
+ msecs_to_jiffies(TB_RELEASE_BW_TIMEOUT));
+ }
+ }
+
return tb_tunnel_alloc_bandwidth(tunnel, requested_up,
requested_down);
}
@@ -2341,11 +2454,15 @@ static int tb_alloc_dp_bandwidth(struct tb_tunnel *tunnel, int *requested_up,
if (ret)
goto reclaim;
- tb_tunnel_dbg(tunnel, "bandwidth available for allocation %d/%d Mb/s\n",
- available_up, available_down);
+ tb_tunnel_dbg(tunnel, "bandwidth available for allocation %d/%d (+ %u reserved) Mb/s\n",
+ available_up, available_down, group->reserved);
+
+ if ((*requested_up >= 0 &&
+ available_up + group->reserved >= requested_up_corrected) ||
+ (*requested_down >= 0 &&
+ available_down + group->reserved >= requested_down_corrected)) {
+ int released = 0;
- if ((*requested_up >= 0 && available_up >= requested_up_corrected) ||
- (*requested_down >= 0 && available_down >= requested_down_corrected)) {
/*
* If bandwidth on a link is >= asym_threshold
* transition the link to asymmetric.
@@ -2353,7 +2470,7 @@ static int tb_alloc_dp_bandwidth(struct tb_tunnel *tunnel, int *requested_up,
ret = tb_configure_asym(tb, in, out, *requested_up,
*requested_down);
if (ret) {
- tb_configure_sym(tb, in, out, 0, 0, true);
+ tb_configure_sym(tb, in, out, true);
goto fail;
}
@@ -2361,7 +2478,20 @@ static int tb_alloc_dp_bandwidth(struct tb_tunnel *tunnel, int *requested_up,
requested_down);
if (ret) {
tb_tunnel_warn(tunnel, "failed to allocate bandwidth\n");
- tb_configure_sym(tb, in, out, 0, 0, true);
+ tb_configure_sym(tb, in, out, true);
+ }
+
+ if (downstream) {
+ if (*requested_down > available_down)
+ released = *requested_down - available_down;
+ } else {
+ if (*requested_up > available_up)
+ released = *requested_up - available_up;
+ }
+ if (released) {
+ group->reserved -= released;
+ tb_dbg(tb, "group %d released %d total %d Mb/s\n",
+ group->index, released, group->reserved);
}
} else {
ret = -ENOBUFS;
@@ -2585,6 +2715,16 @@ static void tb_stop(struct tb *tb)
tcm->hotplug_active = false; /* signal tb_handle_hotplug to quit */
}
+static void tb_deinit(struct tb *tb)
+{
+ struct tb_cm *tcm = tb_priv(tb);
+ int i;
+
+ /* Cancel all the release bandwidth workers */
+ for (i = 0; i < ARRAY_SIZE(tcm->groups); i++)
+ cancel_delayed_work_sync(&tcm->groups[i].release_work);
+}
+
static int tb_scan_finalize_switch(struct device *dev, void *data)
{
if (tb_is_switch(dev)) {
@@ -2893,6 +3033,7 @@ static int tb_runtime_resume(struct tb *tb)
static const struct tb_cm_ops tb_cm_ops = {
.start = tb_start,
.stop = tb_stop,
+ .deinit = tb_deinit,
.suspend_noirq = tb_suspend_noirq,
.resume_noirq = tb_resume_noirq,
.freeze_noirq = tb_freeze_noirq,
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index d0dfbf040356d..1bbbeb034e0ec 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -217,6 +217,11 @@ struct tb_switch {
* @tb: Pointer to the domain the group belongs to
* @index: Index of the group (aka Group_ID). Valid values %1-%7
* @ports: DP IN adapters belonging to this group are linked here
+ * @reserved: Bandwidth released by one tunnel in the group, available
+ * to others. This is reported as part of estimated_bw for
+ * the group.
+ * @release_work: Worker to release the @reserved if it is not used by
+ * any of the tunnels.
*
* Any tunnel that requires isochronous bandwidth (that's DP for now) is
* attached to a bandwidth group. All tunnels going through the same
@@ -227,6 +232,8 @@ struct tb_bandwidth_group {
struct tb *tb;
int index;
struct list_head ports;
+ int reserved;
+ struct delayed_work release_work;
};
/**
@@ -452,6 +459,8 @@ struct tb_path {
* ICM to send driver ready message to the firmware.
* @start: Starts the domain
* @stop: Stops the domain
+ * @deinit: Perform any cleanup after the domain is stopped but before
+ * it is unregistered. Called without @tb->lock taken. Optional.
* @suspend_noirq: Connection manager specific suspend_noirq
* @resume_noirq: Connection manager specific resume_noirq
* @suspend: Connection manager specific suspend
@@ -485,6 +494,7 @@ struct tb_cm_ops {
int (*driver_ready)(struct tb *tb);
int (*start)(struct tb *tb, bool reset);
void (*stop)(struct tb *tb);
+ void (*deinit)(struct tb *tb);
int (*suspend_noirq)(struct tb *tb);
int (*resume_noirq)(struct tb *tb);
int (*suspend)(struct tb *tb);
--
GitLab
From ccd845021147dc8257a05ed8f5a7f9c61a9101e3 Mon Sep 17 00:00:00 2001
From: Gil Fine <gil.fine@linux.intel.com>
Date: Tue, 23 Jan 2024 15:56:42 +0200
Subject: [PATCH 0411/2686] thunderbolt: Calculate DisplayPort tunnel bandwidth
after DPRX capabilities read
According to USB4 Connection Manager guide, after DisplayPort tunnel was
setup, the DPRX capabilities read is performed by the DPTX. According to
VESA spec, this shall be completed within 5 seconds after the DisplayPort
tunnel was setup. Hence, if the bit: DPRX Capabilities Read Done, was
not set to '1' by this time, we timeout and fail calculating DisplayPort
tunnel consumed bandwidth.
Signed-off-by: Gil Fine <gil.fine@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/tunnel.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/thunderbolt/tunnel.c b/drivers/thunderbolt/tunnel.c
index e02b34654d296..cb6609a56a03f 100644
--- a/drivers/thunderbolt/tunnel.c
+++ b/drivers/thunderbolt/tunnel.c
@@ -1184,17 +1184,13 @@ static int tb_dp_consumed_bandwidth(struct tb_tunnel *tunnel, int *consumed_up,
/*
* Then see if the DPRX negotiation is ready and if yes
* return that bandwidth (it may be smaller than the
- * reduced one). Otherwise return the remote (possibly
- * reduced) caps.
+ * reduced one). According to VESA spec, the DPRX
+ * negotiation shall compete in 5 seconds after tunnel
+ * established. We give it 100ms extra just in case.
*/
- ret = tb_dp_wait_dprx(tunnel, 150);
- if (ret) {
- if (ret == -ETIMEDOUT)
- ret = tb_dp_read_cap(tunnel, DP_REMOTE_CAP,
- &rate, &lanes);
- if (ret)
- return ret;
- }
+ ret = tb_dp_wait_dprx(tunnel, 5100);
+ if (ret)
+ return ret;
ret = tb_dp_read_cap(tunnel, DP_COMMON_CAP, &rate, &lanes);
if (ret)
return ret;
--
GitLab
From b4734507ac55cc7ea1380e20e83f60fcd7031955 Mon Sep 17 00:00:00 2001
From: Gil Fine <gil.fine@linux.intel.com>
Date: Wed, 15 Nov 2023 12:09:55 +0200
Subject: [PATCH 0412/2686] thunderbolt: Improve DisplayPort tunnel setup
process to be more robust
After DisplayPort tunnel setup, we add verification that the DPRX
capabilities read process completed. Otherwise, we bail out, teardown
the tunnel, and try setup another DisplayPort tunnel using next
available DP IN adapter. We do so till all DP IN adapters tried. This
way, we avoid allocating DP IN adapter and (bandwidth for it) for
unusable tunnel.
Signed-off-by: Gil Fine <gil.fine@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/tb.c | 84 ++++++++++++++++++++--------------------
1 file changed, 43 insertions(+), 41 deletions(-)
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index eda53567fa4a3..306c62c35a058 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -1821,48 +1821,14 @@ static struct tb_port *tb_find_dp_out(struct tb *tb, struct tb_port *in)
return NULL;
}
-static bool tb_tunnel_one_dp(struct tb *tb)
+static bool tb_tunnel_one_dp(struct tb *tb, struct tb_port *in,
+ struct tb_port *out)
{
int available_up, available_down, ret, link_nr;
struct tb_cm *tcm = tb_priv(tb);
- struct tb_port *port, *in, *out;
int consumed_up, consumed_down;
struct tb_tunnel *tunnel;
- /*
- * Find pair of inactive DP IN and DP OUT adapters and then
- * establish a DP tunnel between them.
- */
- tb_dbg(tb, "looking for DP IN <-> DP OUT pairs:\n");
-
- in = NULL;
- out = NULL;
- list_for_each_entry(port, &tcm->dp_resources, list) {
- if (!tb_port_is_dpin(port))
- continue;
-
- if (tb_port_is_enabled(port)) {
- tb_port_dbg(port, "DP IN in use\n");
- continue;
- }
-
- in = port;
- tb_port_dbg(in, "DP IN available\n");
-
- out = tb_find_dp_out(tb, port);
- if (out)
- break;
- }
-
- if (!in) {
- tb_dbg(tb, "no suitable DP IN adapter available, not tunneling\n");
- return false;
- }
- if (!out) {
- tb_dbg(tb, "no suitable DP OUT adapter available, not tunneling\n");
- return false;
- }
-
/*
* This is only applicable to links that are not bonded (so
* when Thunderbolt 1 hardware is involved somewhere in the
@@ -1923,15 +1889,19 @@ static bool tb_tunnel_one_dp(struct tb *tb)
goto err_free;
}
+ /* If fail reading tunnel's consumed bandwidth, tear it down */
+ ret = tb_tunnel_consumed_bandwidth(tunnel, &consumed_up, &consumed_down);
+ if (ret)
+ goto err_deactivate;
+
list_add_tail(&tunnel->list, &tcm->tunnel_list);
- tb_reclaim_usb3_bandwidth(tb, in, out);
+ tb_reclaim_usb3_bandwidth(tb, in, out);
/*
* Transition the links to asymmetric if the consumption exceeds
* the threshold.
*/
- if (!tb_tunnel_consumed_bandwidth(tunnel, &consumed_up, &consumed_down))
- tb_configure_asym(tb, in, out, consumed_up, consumed_down);
+ tb_configure_asym(tb, in, out, consumed_up, consumed_down);
/* Update the domain with the new bandwidth estimation */
tb_recalc_estimated_bandwidth(tb);
@@ -1943,6 +1913,8 @@ static bool tb_tunnel_one_dp(struct tb *tb)
tb_increase_tmu_accuracy(tunnel);
return true;
+err_deactivate:
+ tb_tunnel_deactivate(tunnel);
err_free:
tb_tunnel_free(tunnel);
err_reclaim_usb:
@@ -1962,13 +1934,43 @@ static bool tb_tunnel_one_dp(struct tb *tb)
static void tb_tunnel_dp(struct tb *tb)
{
+ struct tb_cm *tcm = tb_priv(tb);
+ struct tb_port *port, *in, *out;
+
if (!tb_acpi_may_tunnel_dp()) {
tb_dbg(tb, "DP tunneling disabled, not creating tunnel\n");
return;
}
- while (tb_tunnel_one_dp(tb))
- ;
+ /*
+ * Find pair of inactive DP IN and DP OUT adapters and then
+ * establish a DP tunnel between them.
+ */
+ tb_dbg(tb, "looking for DP IN <-> DP OUT pairs:\n");
+
+ in = NULL;
+ out = NULL;
+ list_for_each_entry(port, &tcm->dp_resources, list) {
+ if (!tb_port_is_dpin(port))
+ continue;
+
+ if (tb_port_is_enabled(port)) {
+ tb_port_dbg(port, "DP IN in use\n");
+ continue;
+ }
+
+ in = port;
+ tb_port_dbg(in, "DP IN available\n");
+
+ out = tb_find_dp_out(tb, port);
+ if (out)
+ tb_tunnel_one_dp(tb, in, out);
+ else
+ tb_port_dbg(in, "no suitable DP OUT adapter available, not tunneling\n");
+ }
+
+ if (!in)
+ tb_dbg(tb, "no suitable DP IN adapter available, not tunneling\n");
}
static void tb_dp_resource_unavailable(struct tb *tb, struct tb_port *port)
--
GitLab
From 45e0b0fd6dc574101825ac2738b890da024e4cda Mon Sep 17 00:00:00 2001
From: Drew Fustini <dfustini@baylibre.com>
Date: Wed, 6 Dec 2023 00:09:21 -0800
Subject: [PATCH 0413/2686] riscv: defconfig: Enable mmc and dma drivers for
T-Head TH1520
Enable the mmc controller driver and dma controller driver needed for
T-Head TH1520 based boards, like the LicheePi 4A and BeagleV-Ahead, to
boot from eMMC storage.
Reviewed-by: Guo Ren <guoren@kernel.org>
Signed-off-by: Drew Fustini <dfustini@baylibre.com>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Reviewed-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://lore.kernel.org/r/20231206-th1520_mmc_dts-v8-1-69220e373e8f@baylibre.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/configs/defconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
index eaf34e871e308..89a009a580fe6 100644
--- a/arch/riscv/configs/defconfig
+++ b/arch/riscv/configs/defconfig
@@ -215,6 +215,7 @@ CONFIG_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_SDHCI_CADENCE=y
+CONFIG_MMC_SDHCI_OF_DWCMSHC=y
CONFIG_MMC_SPI=y
CONFIG_MMC_DW=y
CONFIG_MMC_DW_STARFIVE=y
@@ -224,6 +225,7 @@ CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_SUN6I=y
CONFIG_DMADEVICES=y
CONFIG_DMA_SUN6I=m
+CONFIG_DW_AXI_DMAC=y
CONFIG_RZ_DMAC=y
CONFIG_VIRTIO_PCI=y
CONFIG_VIRTIO_BALLOON=y
--
GitLab
From 2444a80c1cc2c4240f60f2162abef3797c1803de Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Wed, 14 Feb 2024 08:48:28 +0000
Subject: [PATCH 0414/2686] kobject: make uevent_seqnum atomic
We will soon no longer acquire uevent_sock_mutex
for most kobject_uevent_net_broadcast() calls,
and also while calling uevent_net_broadcast().
Make uevent_seqnum an atomic64_t to get its own protection.
This fixes a race while reading /sys/kernel/uevent_seqnum.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Christian Brauner <brauner@kernel.org>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Link: https://lore.kernel.org/r/20240214084829.684541-2-edumazet@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/kobject.h | 2 +-
kernel/ksysfs.c | 2 +-
lib/kobject_uevent.c | 17 +++++++++--------
3 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index c30affcc43b44..c8219505a79f9 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -38,7 +38,7 @@ extern char uevent_helper[];
#endif
/* counter to tag the uevent, read only except for the kobject core */
-extern u64 uevent_seqnum;
+extern atomic64_t uevent_seqnum;
/*
* The actions here must match the index to the string array
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 1d4bc493b2f4b..32ae7fa74a9c0 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -39,7 +39,7 @@ static struct kobj_attribute _name##_attr = __ATTR_RW(_name)
static ssize_t uevent_seqnum_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
- return sysfs_emit(buf, "%llu\n", (unsigned long long)uevent_seqnum);
+ return sysfs_emit(buf, "%llu\n", (u64)atomic64_read(&uevent_seqnum));
}
KERNEL_ATTR_RO(uevent_seqnum);
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index fb9a2f06dd1e7..9cb1a7fdaeba4 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -30,7 +30,7 @@
#include <net/net_namespace.h>
-u64 uevent_seqnum;
+atomic64_t uevent_seqnum;
#ifdef CONFIG_UEVENT_HELPER
char uevent_helper[UEVENT_HELPER_PATH_LEN] = CONFIG_UEVENT_HELPER_PATH;
#endif
@@ -44,7 +44,7 @@ struct uevent_sock {
static LIST_HEAD(uevent_sock_list);
#endif
-/* This lock protects uevent_seqnum and uevent_sock_list */
+/* This lock protects uevent_sock_list */
static DEFINE_MUTEX(uevent_sock_mutex);
/* the strings here must match the enum in include/linux/kobject.h */
@@ -583,13 +583,13 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
break;
}
- mutex_lock(&uevent_sock_mutex);
/* we will send an event, so request a new sequence number */
- retval = add_uevent_var(env, "SEQNUM=%llu", ++uevent_seqnum);
- if (retval) {
- mutex_unlock(&uevent_sock_mutex);
+ retval = add_uevent_var(env, "SEQNUM=%llu",
+ atomic64_inc_return(&uevent_seqnum));
+ if (retval)
goto exit;
- }
+
+ mutex_lock(&uevent_sock_mutex);
retval = kobject_uevent_net_broadcast(kobj, env, action_string,
devpath);
mutex_unlock(&uevent_sock_mutex);
@@ -688,7 +688,8 @@ static int uevent_net_broadcast(struct sock *usk, struct sk_buff *skb,
int ret;
/* bump and prepare sequence number */
- ret = snprintf(buf, sizeof(buf), "SEQNUM=%llu", ++uevent_seqnum);
+ ret = snprintf(buf, sizeof(buf), "SEQNUM=%llu",
+ atomic64_inc_return(&uevent_seqnum));
if (ret < 0 || (size_t)ret >= sizeof(buf))
return -ENOMEM;
ret++;
--
GitLab
From 5c0941c55e5f681ffb05f395222ac673460bb3d0 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Wed, 14 Feb 2024 08:48:29 +0000
Subject: [PATCH 0415/2686] kobject: reduce uevent_sock_mutex scope
This is a followup of commit a3498436b3a0 ("netns: restrict uevents")
- uevent_sock_mutex no longer protects uevent_seqnum thanks
to prior patch in the series.
- uevent_net_broadcast() can run without holding uevent_sock_mutex.
- Instead of grabbing uevent_sock_mutex before calling
kobject_uevent_net_broadcast(), we can move the
mutex_lock(&uevent_sock_mutex) to the place we iterate over
uevent_sock_list : uevent_net_broadcast_untagged().
After this patch, typical netdevice creations and destructions
calling uevent_net_broadcast_tagged() no longer need to acquire
uevent_sock_mutex.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Christian Brauner <brauner@kernel.org>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Link: https://lore.kernel.org/r/20240214084829.684541-3-edumazet@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
lib/kobject_uevent.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 9cb1a7fdaeba4..03b427e2707e3 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -42,10 +42,9 @@ struct uevent_sock {
#ifdef CONFIG_NET
static LIST_HEAD(uevent_sock_list);
-#endif
-
/* This lock protects uevent_sock_list */
static DEFINE_MUTEX(uevent_sock_mutex);
+#endif
/* the strings here must match the enum in include/linux/kobject.h */
static const char *kobject_actions[] = {
@@ -315,6 +314,7 @@ static int uevent_net_broadcast_untagged(struct kobj_uevent_env *env,
int retval = 0;
/* send netlink message */
+ mutex_lock(&uevent_sock_mutex);
list_for_each_entry(ue_sk, &uevent_sock_list, list) {
struct sock *uevent_sock = ue_sk->sk;
@@ -334,6 +334,7 @@ static int uevent_net_broadcast_untagged(struct kobj_uevent_env *env,
if (retval == -ENOBUFS || retval == -ESRCH)
retval = 0;
}
+ mutex_unlock(&uevent_sock_mutex);
consume_skb(skb);
return retval;
@@ -589,10 +590,8 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
if (retval)
goto exit;
- mutex_lock(&uevent_sock_mutex);
retval = kobject_uevent_net_broadcast(kobj, env, action_string,
devpath);
- mutex_unlock(&uevent_sock_mutex);
#ifdef CONFIG_UEVENT_HELPER
/* call uevent_helper, usually only enabled during early boot */
@@ -743,9 +742,7 @@ static int uevent_net_rcv_skb(struct sk_buff *skb, struct nlmsghdr *nlh,
return -EPERM;
}
- mutex_lock(&uevent_sock_mutex);
ret = uevent_net_broadcast(net->uevent_sock->sk, skb, extack);
- mutex_unlock(&uevent_sock_mutex);
return ret;
}
--
GitLab
From 4f022aad80dc8b175e309197720f4fca8004fb2e Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Fri, 16 Feb 2024 16:09:27 -0800
Subject: [PATCH 0416/2686] xhci: Add interrupt pending autoclear flag to each
interrupter
Each interrupter has an interrupt pending (IP) bit that should be cleared
in the interrupt handler. This is done automatically for systems using
MSI/MSI-X interrupts.
Secondary interrupters used by audio offload may not actually trigger
MSI/MSI-X messages, so driver may need to clear the IP bit manually for
these, even if the primary interrupter IP is cleared automatically.
Add an ip_autoclear flag to each interrupter that driver can configure
when requesting an interrupt for that xHC interrupter, and move
the interrupt pending clearing code to its own helper function.
Use this ip_autoclear flag instead of the current hcd->msi_enabled
to check if IP flag is cleared by software.
[Moved ip_autoclear into xhci and set based on msi_enabled -wcheng]
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240217001017.29969-2-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-ring.c | 21 +++++++++++++++------
drivers/usb/host/xhci.c | 3 +++
drivers/usb/host/xhci.h | 1 +
3 files changed, 19 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index f0d8a607ff214..3d9ec78bfb9f7 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3063,6 +3063,19 @@ static void xhci_update_erst_dequeue(struct xhci_hcd *xhci,
xhci_write_64(xhci, temp_64, &ir->ir_set->erst_dequeue);
}
+/* Clear the interrupt pending bit for a specific interrupter. */
+static void xhci_clear_interrupt_pending(struct xhci_hcd *xhci,
+ struct xhci_interrupter *ir)
+{
+ if (!ir->ip_autoclear) {
+ u32 irq_pending;
+
+ irq_pending = readl(&ir->ir_set->irq_pending);
+ irq_pending |= IMAN_IP;
+ writel(irq_pending, &ir->ir_set->irq_pending);
+ }
+}
+
/*
* xHCI spec says we can get an interrupt, and if the HC has an error condition,
* we might get bad data out of the event ring. Section 4.10.2.7 has a list of
@@ -3112,12 +3125,8 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
/* This is the handler of the primary interrupter */
ir = xhci->interrupters[0];
- if (!hcd->msi_enabled) {
- u32 irq_pending;
- irq_pending = readl(&ir->ir_set->irq_pending);
- irq_pending |= IMAN_IP;
- writel(irq_pending, &ir->ir_set->irq_pending);
- }
+
+ xhci_clear_interrupt_pending(xhci, ir);
if (xhci->xhc_state & XHCI_STATE_DYING ||
xhci->xhc_state & XHCI_STATE_HALTED) {
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index c057c42c36f4c..0886829d53e51 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -538,6 +538,9 @@ int xhci_run(struct usb_hcd *hcd)
*/
hcd->uses_new_polling = 1;
+ if (hcd->msi_enabled)
+ ir->ip_autoclear = true;
+
if (!usb_hcd_is_primary_hcd(hcd))
return xhci_run_finished(xhci);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 32d27134cc48a..36c3ba64da515 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1432,6 +1432,7 @@ struct xhci_interrupter {
struct xhci_erst erst;
struct xhci_intr_reg __iomem *ir_set;
unsigned int intr_num;
+ bool ip_autoclear;
/* For interrupter registers save and restore over suspend/resume */
u32 s3_irq_pending;
u32 s3_irq_control;
--
GitLab
From ace21625878f78708b75b7a872ec7a0e2ed15ca4 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Fri, 16 Feb 2024 16:09:28 -0800
Subject: [PATCH 0417/2686] xhci: Add helper to set an interrupters interrupt
moderation interval
Add a helper to set the interrupt moderation interval for an interrupter.
Each interrupter can have its own moderation value.
Hardware has a 16bit register for the moderation value, each step is 250ns.
Helper function imod_interval argument is in nanoseconds.
Values from 0 to 16383750 (250 x 0xffff) are accepted.
0 means no interrupt throttling.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240217001017.29969-3-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci.c | 25 ++++++++++++++++++-------
1 file changed, 18 insertions(+), 7 deletions(-)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 0886829d53e51..b405b8236134c 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -346,6 +346,23 @@ static int xhci_disable_interrupter(struct xhci_interrupter *ir)
return 0;
}
+/* interrupt moderation interval imod_interval in nanoseconds */
+static int xhci_set_interrupter_moderation(struct xhci_interrupter *ir,
+ u32 imod_interval)
+{
+ u32 imod;
+
+ if (!ir || !ir->ir_set || imod_interval > U16_MAX * 250)
+ return -EINVAL;
+
+ imod = readl(&ir->ir_set->irq_control);
+ imod &= ~ER_IRQ_INTERVAL_MASK;
+ imod |= (imod_interval / 250) & ER_IRQ_INTERVAL_MASK;
+ writel(imod, &ir->ir_set->irq_control);
+
+ return 0;
+}
+
static void compliance_mode_recovery(struct timer_list *t)
{
struct xhci_hcd *xhci;
@@ -528,7 +545,6 @@ static int xhci_run_finished(struct xhci_hcd *xhci)
*/
int xhci_run(struct usb_hcd *hcd)
{
- u32 temp;
u64 temp_64;
int ret;
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
@@ -551,12 +567,7 @@ int xhci_run(struct usb_hcd *hcd)
xhci_dbg_trace(xhci, trace_xhci_dbg_init,
"ERST deq = 64'h%0lx", (long unsigned int) temp_64);
- xhci_dbg_trace(xhci, trace_xhci_dbg_init,
- "// Set the interrupt modulation register");
- temp = readl(&ir->ir_set->irq_control);
- temp &= ~ER_IRQ_INTERVAL_MASK;
- temp |= (xhci->imod_interval / 250) & ER_IRQ_INTERVAL_MASK;
- writel(temp, &ir->ir_set->irq_control);
+ xhci_set_interrupter_moderation(ir, xhci->imod_interval);
if (xhci->quirks & XHCI_NEC_HOST) {
struct xhci_command *command;
--
GitLab
From becbd202af8425e336b1c25e9254616a5c03d819 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Fri, 16 Feb 2024 16:09:29 -0800
Subject: [PATCH 0418/2686] xhci: make isoc_bei_interval variable interrupter
specific.
isoc_bei_interval is used to balance how often completed isochronous
events cause interrupts. If interval is too large then the event ring
may fill up before the completed isoc TRBs are handled.
isoc_bei_interval is tuned based on how full the event ring is.
isoc_bei_interval variable needs to be per interrupter as
with several interrupters each one has its own event ring.
move isoc_bei_interval variable to the interrupter structure.
if a secondary interrupter does not care about this feature then
keep isoc_bei_interval 0.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240217001017.29969-4-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-mem.c | 2 +-
drivers/usb/host/xhci-ring.c | 15 +++++++++------
drivers/usb/host/xhci.h | 2 +-
3 files changed, 11 insertions(+), 8 deletions(-)
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index a7716202a8dd5..450adaca68eeb 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -2533,7 +2533,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
if (xhci_add_interrupter(xhci, ir, 0))
goto fail;
- xhci->isoc_bei_interval = AVOID_BEI_INTERVAL_MAX;
+ ir->isoc_bei_interval = AVOID_BEI_INTERVAL_MAX;
/*
* XXX: Might need to set the Interrupter Moderation Register to
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 3d9ec78bfb9f7..49f10dc255163 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3153,8 +3153,8 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
event_ring_deq = ir->event_ring->dequeue;
/* ring is half-full, force isoc trbs to interrupt more often */
- if (xhci->isoc_bei_interval > AVOID_BEI_INTERVAL_MIN)
- xhci->isoc_bei_interval = xhci->isoc_bei_interval / 2;
+ if (ir->isoc_bei_interval > AVOID_BEI_INTERVAL_MIN)
+ ir->isoc_bei_interval = ir->isoc_bei_interval / 2;
event_loop = 0;
}
@@ -4022,7 +4022,8 @@ static int xhci_get_isoc_frame_id(struct xhci_hcd *xhci,
}
/* Check if we should generate event interrupt for a TD in an isoc URB */
-static bool trb_block_event_intr(struct xhci_hcd *xhci, int num_tds, int i)
+static bool trb_block_event_intr(struct xhci_hcd *xhci, int num_tds, int i,
+ struct xhci_interrupter *ir)
{
if (xhci->hci_version < 0x100)
return false;
@@ -4033,8 +4034,8 @@ static bool trb_block_event_intr(struct xhci_hcd *xhci, int num_tds, int i)
* If AVOID_BEI is set the host handles full event rings poorly,
* generate an event at least every 8th TD to clear the event ring
*/
- if (i && xhci->quirks & XHCI_AVOID_BEI)
- return !!(i % xhci->isoc_bei_interval);
+ if (i && ir->isoc_bei_interval && xhci->quirks & XHCI_AVOID_BEI)
+ return !!(i % ir->isoc_bei_interval);
return true;
}
@@ -4043,6 +4044,7 @@ static bool trb_block_event_intr(struct xhci_hcd *xhci, int num_tds, int i)
static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
struct urb *urb, int slot_id, unsigned int ep_index)
{
+ struct xhci_interrupter *ir;
struct xhci_ring *ep_ring;
struct urb_priv *urb_priv;
struct xhci_td *td;
@@ -4060,6 +4062,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
xep = &xhci->devs[slot_id]->eps[ep_index];
ep_ring = xhci->devs[slot_id]->eps[ep_index].ring;
+ ir = xhci->interrupters[0];
num_tds = urb->number_of_packets;
if (num_tds < 1) {
@@ -4147,7 +4150,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
td->last_trb = ep_ring->enqueue;
td->last_trb_seg = ep_ring->enq_seg;
field |= TRB_IOC;
- if (trb_block_event_intr(xhci, num_tds, i))
+ if (trb_block_event_intr(xhci, num_tds, i, ir))
field |= TRB_BEI;
}
/* Calculate TRB length */
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 36c3ba64da515..6e09b9130fae0 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1433,6 +1433,7 @@ struct xhci_interrupter {
struct xhci_intr_reg __iomem *ir_set;
unsigned int intr_num;
bool ip_autoclear;
+ u32 isoc_bei_interval;
/* For interrupter registers save and restore over suspend/resume */
u32 s3_irq_pending;
u32 s3_irq_control;
@@ -1505,7 +1506,6 @@ struct xhci_hcd {
u8 isoc_threshold;
/* imod_interval in ns (I * 250ns) */
u32 imod_interval;
- u32 isoc_bei_interval;
int event_ring_max;
/* 4KB min, 128MB max */
int page_size;
--
GitLab
From 143e64df1bda33310c30ba5e15f72022e6135939 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Fri, 16 Feb 2024 16:09:30 -0800
Subject: [PATCH 0419/2686] xhci: remove unnecessary event_ring_deq parameter
from xhci_handle_event()
The event_ring_deq parameter is used to check if the event ring dequeue
position is updated while calling by xhci_handle_event(), meaning there was
an actual event on the ring to handle. In this case the driver needs to
inform hardware about the updated dequeue position.
Basically event_ring_deq just stores the old event ring dequeue position
before calling the event handler.
Keeping track of software event dequeue updates this way is no longer
useful as driver anyways reads the current hardware dequeue position
within the handle event, and checks if it needs to be updated.
The driver might anyway need to modify the EHB (event handler busy) bit in
the same register as the dequeue pointer even if the actual dequeue
position did not change.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240217001017.29969-5-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-ring.c | 37 +++++++++++++++---------------------
1 file changed, 15 insertions(+), 22 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 49f10dc255163..1136c6170b1af 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3032,30 +3032,26 @@ static int xhci_handle_event(struct xhci_hcd *xhci, struct xhci_interrupter *ir)
*/
static void xhci_update_erst_dequeue(struct xhci_hcd *xhci,
struct xhci_interrupter *ir,
- union xhci_trb *event_ring_deq,
bool clear_ehb)
{
u64 temp_64;
dma_addr_t deq;
temp_64 = xhci_read_64(xhci, &ir->ir_set->erst_dequeue);
- /* If necessary, update the HW's version of the event ring deq ptr. */
- if (event_ring_deq != ir->event_ring->dequeue) {
- deq = xhci_trb_virt_to_dma(ir->event_ring->deq_seg,
- ir->event_ring->dequeue);
- if (deq == 0)
- xhci_warn(xhci, "WARN something wrong with SW event ring dequeue ptr\n");
- /*
- * Per 4.9.4, Software writes to the ERDP register shall
- * always advance the Event Ring Dequeue Pointer value.
- */
- if ((temp_64 & ERST_PTR_MASK) == (deq & ERST_PTR_MASK))
- return;
+ deq = xhci_trb_virt_to_dma(ir->event_ring->deq_seg,
+ ir->event_ring->dequeue);
+ if (deq == 0)
+ xhci_warn(xhci, "WARN something wrong with SW event ring dequeue ptr\n");
+ /*
+ * Per 4.9.4, Software writes to the ERDP register shall always advance
+ * the Event Ring Dequeue Pointer value.
+ */
+ if ((temp_64 & ERST_PTR_MASK) == (deq & ERST_PTR_MASK) && !clear_ehb)
+ return;
- /* Update HC event ring dequeue pointer */
- temp_64 = ir->event_ring->deq_seg->num & ERST_DESI_MASK;
- temp_64 |= deq & ERST_PTR_MASK;
- }
+ /* Update HC event ring dequeue pointer */
+ temp_64 = ir->event_ring->deq_seg->num & ERST_DESI_MASK;
+ temp_64 |= deq & ERST_PTR_MASK;
/* Clear the event handler busy flag (RW1C) */
if (clear_ehb)
@@ -3084,7 +3080,6 @@ static void xhci_clear_interrupt_pending(struct xhci_hcd *xhci,
irqreturn_t xhci_irq(struct usb_hcd *hcd)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- union xhci_trb *event_ring_deq;
struct xhci_interrupter *ir;
irqreturn_t ret = IRQ_NONE;
u64 temp_64;
@@ -3142,15 +3137,13 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
goto out;
}
- event_ring_deq = ir->event_ring->dequeue;
/* FIXME this should be a delayed service routine
* that clears the EHB.
*/
while (xhci_handle_event(xhci, ir) > 0) {
if (event_loop++ < TRBS_PER_SEGMENT / 2)
continue;
- xhci_update_erst_dequeue(xhci, ir, event_ring_deq, false);
- event_ring_deq = ir->event_ring->dequeue;
+ xhci_update_erst_dequeue(xhci, ir, false);
/* ring is half-full, force isoc trbs to interrupt more often */
if (ir->isoc_bei_interval > AVOID_BEI_INTERVAL_MIN)
@@ -3159,7 +3152,7 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
event_loop = 0;
}
- xhci_update_erst_dequeue(xhci, ir, event_ring_deq, true);
+ xhci_update_erst_dequeue(xhci, ir, true);
ret = IRQ_HANDLED;
out:
--
GitLab
From e30e9ad9ed66c049f32ab2ffe38f0b576bebdd2c Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Fri, 16 Feb 2024 16:09:31 -0800
Subject: [PATCH 0420/2686] xhci: update event ring dequeue pointer position to
controller correctly
The event ring dequeue pointer field (ERDP) in xHC hardware is used to
inform controller how far the driver has processed events on the event
ring.
In the case all events are handled and event ring is empty then the
address of the TRB after the last processed one should be written.
This TRB is both the enqueue and dequeue pointer.
But in case we are writing the ERDP in the middle of processing
several events then ERDP field should be written with the "up to and
including" address of the last handled event TRB.
Currenly each ERDP write by driver is done as if all events are handled
and ring is empty.
Fix this by adjusting the order when software dequeue "inc_deq()"
is called and hardware dequeue "xhci_update_erst_dequeue()" is updated.
Details in xhci 1.2 specification section 4.9.4:
"System software shall write the Event Ring Dequeue Pointer (ERDP)
register to inform the xHC that it has completed the processing of Event
TRBs up to and including the Event TRB referenced by the ERDP.
The detection of a Cycle bit mismatch in an Event TRB processed by
software indicates the location of the xHC Event Ring Enqueue Pointer
and that the Event Ring is empty. Software shall write the ERDP with
the address of this TRB to indicate that it has processed all Events
in the ring"
This change depends on fixes made to relocate inc_deq() calls captured
in the below commits:
commit 3321f84bfae0 ("xhci: simplify event ring dequeue tracking for
transfer events")
commit d1830364e963 ("xhci: Simplify event ring dequeue pointer update
for port change events")
Fixes: dc0ffbea5729 ("usb: host: xhci: update event ring dequeue pointer on purpose")
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240217001017.29969-6-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-ring.c | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 1136c6170b1af..62bde16f435ec 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3016,9 +3016,6 @@ static int xhci_handle_event(struct xhci_hcd *xhci, struct xhci_interrupter *ir)
return 0;
}
- /* Update SW event ring dequeue pointer */
- inc_deq(xhci, ir->event_ring);
-
/* Are there more items on the event ring? Caller will call us again to
* check.
*/
@@ -3141,15 +3138,21 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
* that clears the EHB.
*/
while (xhci_handle_event(xhci, ir) > 0) {
- if (event_loop++ < TRBS_PER_SEGMENT / 2)
- continue;
- xhci_update_erst_dequeue(xhci, ir, false);
+ /*
+ * If half a segment of events have been handled in one go then
+ * update ERDP, and force isoc trbs to interrupt more often
+ */
+ if (event_loop++ > TRBS_PER_SEGMENT / 2) {
+ xhci_update_erst_dequeue(xhci, ir, false);
+
+ if (ir->isoc_bei_interval > AVOID_BEI_INTERVAL_MIN)
+ ir->isoc_bei_interval = ir->isoc_bei_interval / 2;
- /* ring is half-full, force isoc trbs to interrupt more often */
- if (ir->isoc_bei_interval > AVOID_BEI_INTERVAL_MIN)
- ir->isoc_bei_interval = ir->isoc_bei_interval / 2;
+ event_loop = 0;
+ }
- event_loop = 0;
+ /* Update SW event ring dequeue pointer */
+ inc_deq(xhci, ir->event_ring);
}
xhci_update_erst_dequeue(xhci, ir, true);
--
GitLab
From 84ac5e4fa517f5d1da0054547a82ce905678dc08 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Fri, 16 Feb 2024 16:09:32 -0800
Subject: [PATCH 0421/2686] xhci: move event processing for one interrupter to
a separate function
Split the main XHCI interrupt handler into a different API, so that other
potential interrupters can utilize similar event ring handling. A scenario
would be if a secondary interrupter required to skip pending events in the
event ring, which would warrant a similar set of operations.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240217001017.29969-7-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-ring.c | 87 +++++++++++++++++-------------------
1 file changed, 42 insertions(+), 45 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 62bde16f435ec..ad008a5abc811 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3069,6 +3069,46 @@ static void xhci_clear_interrupt_pending(struct xhci_hcd *xhci,
}
}
+static int xhci_handle_events(struct xhci_hcd *xhci, struct xhci_interrupter *ir)
+{
+ int event_loop = 0;
+ u64 temp;
+
+ xhci_clear_interrupt_pending(xhci, ir);
+
+ if (xhci->xhc_state & XHCI_STATE_DYING ||
+ xhci->xhc_state & XHCI_STATE_HALTED) {
+ xhci_dbg(xhci, "xHCI dying, ignoring interrupt. Shouldn't IRQs be disabled?\n");
+
+ /* Clear the event handler busy flag (RW1C) */
+ temp = xhci_read_64(xhci, &ir->ir_set->erst_dequeue);
+ xhci_write_64(xhci, temp | ERST_EHB, &ir->ir_set->erst_dequeue);
+ return -ENODEV;
+ }
+
+ while (xhci_handle_event(xhci, ir) > 0) {
+ /*
+ * If half a segment of events have been handled in one go then
+ * update ERDP, and force isoc trbs to interrupt more often
+ */
+ if (event_loop++ > TRBS_PER_SEGMENT / 2) {
+ xhci_update_erst_dequeue(xhci, ir, false);
+
+ if (ir->isoc_bei_interval > AVOID_BEI_INTERVAL_MIN)
+ ir->isoc_bei_interval = ir->isoc_bei_interval / 2;
+
+ event_loop = 0;
+ }
+
+ /* Update SW event ring dequeue pointer */
+ inc_deq(xhci, ir->event_ring);
+ }
+
+ xhci_update_erst_dequeue(xhci, ir, true);
+
+ return 0;
+}
+
/*
* xHCI spec says we can get an interrupt, and if the HC has an error condition,
* we might get bad data out of the event ring. Section 4.10.2.7 has a list of
@@ -3077,11 +3117,8 @@ static void xhci_clear_interrupt_pending(struct xhci_hcd *xhci,
irqreturn_t xhci_irq(struct usb_hcd *hcd)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- struct xhci_interrupter *ir;
irqreturn_t ret = IRQ_NONE;
- u64 temp_64;
u32 status;
- int event_loop = 0;
spin_lock(&xhci->lock);
/* Check if the xHC generated the interrupt, or the irq is shared */
@@ -3114,50 +3151,10 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
*/
status |= STS_EINT;
writel(status, &xhci->op_regs->status);
-
- /* This is the handler of the primary interrupter */
- ir = xhci->interrupters[0];
-
- xhci_clear_interrupt_pending(xhci, ir);
-
- if (xhci->xhc_state & XHCI_STATE_DYING ||
- xhci->xhc_state & XHCI_STATE_HALTED) {
- xhci_dbg(xhci, "xHCI dying, ignoring interrupt. "
- "Shouldn't IRQs be disabled?\n");
- /* Clear the event handler busy flag (RW1C);
- * the event ring should be empty.
- */
- temp_64 = xhci_read_64(xhci, &ir->ir_set->erst_dequeue);
- xhci_write_64(xhci, temp_64 | ERST_EHB,
- &ir->ir_set->erst_dequeue);
- ret = IRQ_HANDLED;
- goto out;
- }
-
- /* FIXME this should be a delayed service routine
- * that clears the EHB.
- */
- while (xhci_handle_event(xhci, ir) > 0) {
- /*
- * If half a segment of events have been handled in one go then
- * update ERDP, and force isoc trbs to interrupt more often
- */
- if (event_loop++ > TRBS_PER_SEGMENT / 2) {
- xhci_update_erst_dequeue(xhci, ir, false);
-
- if (ir->isoc_bei_interval > AVOID_BEI_INTERVAL_MIN)
- ir->isoc_bei_interval = ir->isoc_bei_interval / 2;
-
- event_loop = 0;
- }
-
- /* Update SW event ring dequeue pointer */
- inc_deq(xhci, ir->event_ring);
- }
-
- xhci_update_erst_dequeue(xhci, ir, true);
ret = IRQ_HANDLED;
+ /* This is the handler of the primary interrupter */
+ xhci_handle_events(xhci, xhci->interrupters[0]);
out:
spin_unlock(&xhci->lock);
--
GitLab
From fbaf1889a30f8564f1450acec8e48f5b967fb184 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Fri, 16 Feb 2024 16:09:33 -0800
Subject: [PATCH 0422/2686] xhci: add helper that checks for unhandled events
on a event ring
Add unhandled_event_trb() that returns true in case xHC hardware has
written new event trbs to the event ring that driver has not yet handled.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240217001017.29969-8-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-ring.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index ad008a5abc811..275164dc449d7 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -113,6 +113,12 @@ static bool last_td_in_urb(struct xhci_td *td)
return urb_priv->num_tds_done == urb_priv->num_tds;
}
+static bool unhandled_event_trb(struct xhci_ring *ring)
+{
+ return ((le32_to_cpu(ring->dequeue->event_cmd.flags) & TRB_CYCLE) ==
+ ring->cycle_state);
+}
+
static void inc_td_cnt(struct urb *urb)
{
struct urb_priv *urb_priv = urb->hcpriv;
@@ -2973,9 +2979,8 @@ static int xhci_handle_event(struct xhci_hcd *xhci, struct xhci_interrupter *ir)
}
event = ir->event_ring->dequeue;
- /* Does the HC or OS own the TRB? */
- if ((le32_to_cpu(event->event_cmd.flags) & TRB_CYCLE) !=
- ir->event_ring->cycle_state)
+
+ if (!unhandled_event_trb(ir->event_ring))
return 0;
trace_xhci_handle_event(ir->event_ring, &event->generic);
--
GitLab
From 84008be8adb091d419659dda8e655b1956d3c230 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Fri, 16 Feb 2024 16:09:34 -0800
Subject: [PATCH 0423/2686] xhci: Don't check if the event ring is valid before
every event TRB
Check if the event ring exists and is valid once when the event handler
is called, not before every individual event TRB.
At this point the interrupter is valid, so no need to check that.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240217001017.29969-9-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-ring.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 275164dc449d7..d31599d46b928 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2972,12 +2972,6 @@ static int xhci_handle_event(struct xhci_hcd *xhci, struct xhci_interrupter *ir)
union xhci_trb *event;
u32 trb_type;
- /* Event ring hasn't been allocated yet. */
- if (!ir || !ir->event_ring || !ir->event_ring->dequeue) {
- xhci_err(xhci, "ERROR interrupter not ready\n");
- return -ENOMEM;
- }
-
event = ir->event_ring->dequeue;
if (!unhandled_event_trb(ir->event_ring))
@@ -3081,6 +3075,12 @@ static int xhci_handle_events(struct xhci_hcd *xhci, struct xhci_interrupter *ir
xhci_clear_interrupt_pending(xhci, ir);
+ /* Event ring hasn't been allocated yet. */
+ if (!ir->event_ring || !ir->event_ring->dequeue) {
+ xhci_err(xhci, "ERROR interrupter event ring not ready\n");
+ return -ENOMEM;
+ }
+
if (xhci->xhc_state & XHCI_STATE_DYING ||
xhci->xhc_state & XHCI_STATE_HALTED) {
xhci_dbg(xhci, "xHCI dying, ignoring interrupt. Shouldn't IRQs be disabled?\n");
--
GitLab
From edc47759bbc7bf5902676bac441c195a4c7e4180 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Fri, 16 Feb 2024 16:09:35 -0800
Subject: [PATCH 0424/2686] xhci: Decouple handling an event from checking for
unhandled events
Some sequences, will require traversing through the entire event ring
without handling the event TRB. This is ideal for when secondary
interrupters that are utilized by external entities need to clean up the
interrupter's event rings during halting of the XHCI HCD.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240217001017.29969-10-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-ring.c | 38 ++++++++++++++++++------------------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index d31599d46b928..d4a28ac4967fb 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2962,25 +2962,18 @@ static int handle_tx_event(struct xhci_hcd *xhci,
}
/*
- * This function handles all OS-owned events on the event ring. It may drop
+ * This function handles one OS-owned event on the event ring. It may drop
* xhci->lock between event processing (e.g. to pass up port status changes).
- * Returns >0 for "possibly more events to process" (caller should call again),
- * otherwise 0 if done. In future, <0 returns should indicate error code.
*/
-static int xhci_handle_event(struct xhci_hcd *xhci, struct xhci_interrupter *ir)
+static int xhci_handle_event_trb(struct xhci_hcd *xhci, struct xhci_interrupter *ir,
+ union xhci_trb *event)
{
- union xhci_trb *event;
u32 trb_type;
- event = ir->event_ring->dequeue;
-
- if (!unhandled_event_trb(ir->event_ring))
- return 0;
-
trace_xhci_handle_event(ir->event_ring, &event->generic);
/*
- * Barrier between reading the TRB_CYCLE (valid) flag above and any
+ * Barrier between reading the TRB_CYCLE (valid) flag before, and any
* speculative reads of the event's flags/data below.
*/
rmb();
@@ -3010,15 +3003,11 @@ static int xhci_handle_event(struct xhci_hcd *xhci, struct xhci_interrupter *ir)
* to make sure a watchdog timer didn't mark the host as non-responsive.
*/
if (xhci->xhc_state & XHCI_STATE_DYING) {
- xhci_dbg(xhci, "xHCI host dying, returning from "
- "event handler.\n");
- return 0;
+ xhci_dbg(xhci, "xHCI host dying, returning from event handler.\n");
+ return -ENODEV;
}
- /* Are there more items on the event ring? Caller will call us again to
- * check.
- */
- return 1;
+ return 0;
}
/*
@@ -3068,9 +3057,14 @@ static void xhci_clear_interrupt_pending(struct xhci_hcd *xhci,
}
}
+/*
+ * Handle all OS-owned events on an interrupter event ring. It may drop
+ * and reaquire xhci->lock between event processing.
+ */
static int xhci_handle_events(struct xhci_hcd *xhci, struct xhci_interrupter *ir)
{
int event_loop = 0;
+ int err;
u64 temp;
xhci_clear_interrupt_pending(xhci, ir);
@@ -3091,7 +3085,10 @@ static int xhci_handle_events(struct xhci_hcd *xhci, struct xhci_interrupter *ir
return -ENODEV;
}
- while (xhci_handle_event(xhci, ir) > 0) {
+ /* Process all OS owned event TRBs on this event ring */
+ while (unhandled_event_trb(ir->event_ring)) {
+ err = xhci_handle_event_trb(xhci, ir, ir->event_ring->dequeue);
+
/*
* If half a segment of events have been handled in one go then
* update ERDP, and force isoc trbs to interrupt more often
@@ -3107,6 +3104,9 @@ static int xhci_handle_events(struct xhci_hcd *xhci, struct xhci_interrupter *ir
/* Update SW event ring dequeue pointer */
inc_deq(xhci, ir->event_ring);
+
+ if (err)
+ break;
}
xhci_update_erst_dequeue(xhci, ir, true);
--
GitLab
From 9affb1d9a9d9918adff519a129daba5e369dd741 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Fri, 16 Feb 2024 16:09:36 -0800
Subject: [PATCH 0425/2686] xhci: add helper to stop endpoint and wait for
completion
Expose xhci_stop_endpoint_sync() which is a synchronous variant of
xhci_queue_stop_endpoint(). This is useful for client drivers that are
using the secondary interrupters, and need to stop/clean up the current
session. The stop endpoint command handler will also take care of cleaning
up the ring.
Modifications to repurpose the new API into existing stop endpoint
sequences was implemented by Wesley Cheng.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Co-developed-by: Wesley Cheng <quic_wcheng@quicinc.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240217001017.29969-11-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci.c | 62 ++++++++++++++++++++++++++++++-----------
drivers/usb/host/xhci.h | 2 ++
2 files changed, 48 insertions(+), 16 deletions(-)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index b405b8236134c..872ce8c1a5ba5 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -2796,6 +2796,48 @@ static int xhci_reserve_bandwidth(struct xhci_hcd *xhci,
return -ENOMEM;
}
+/*
+ * Synchronous XHCI stop endpoint helper. Issues the stop endpoint command and
+ * waits for the command completion before returning.
+ */
+int xhci_stop_endpoint_sync(struct xhci_hcd *xhci, struct xhci_virt_ep *ep, int suspend,
+ gfp_t gfp_flags)
+{
+ struct xhci_command *command;
+ unsigned long flags;
+ int ret;
+
+ command = xhci_alloc_command(xhci, true, gfp_flags);
+ if (!command)
+ return -ENOMEM;
+
+ spin_lock_irqsave(&xhci->lock, flags);
+ ret = xhci_queue_stop_endpoint(xhci, command, ep->vdev->slot_id,
+ ep->ep_index, suspend);
+ if (ret < 0) {
+ spin_unlock_irqrestore(&xhci->lock, flags);
+ goto out;
+ }
+
+ xhci_ring_cmd_db(xhci);
+ spin_unlock_irqrestore(&xhci->lock, flags);
+
+ ret = wait_for_completion_timeout(command->completion, msecs_to_jiffies(3000));
+ if (!ret)
+ xhci_warn(xhci, "%s: Unable to stop endpoint.\n",
+ __func__);
+
+ if (command->status == COMP_COMMAND_ABORTED ||
+ command->status == COMP_COMMAND_RING_STOPPED) {
+ xhci_warn(xhci, "Timeout while waiting for stop endpoint command\n");
+ ret = -ETIME;
+ }
+out:
+ xhci_free_command(xhci, command);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(xhci_stop_endpoint_sync);
/* Issue a configure endpoint command or evaluate context command
* and wait for it to finish.
@@ -3119,7 +3161,7 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd,
struct xhci_virt_device *vdev;
struct xhci_virt_ep *ep;
struct xhci_input_control_ctx *ctrl_ctx;
- struct xhci_command *stop_cmd, *cfg_cmd;
+ struct xhci_command *cfg_cmd;
unsigned int ep_index;
unsigned long flags;
u32 ep_flag;
@@ -3177,10 +3219,6 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd,
if (ep_flag == SLOT_FLAG || ep_flag == EP0_FLAG)
return;
- stop_cmd = xhci_alloc_command(xhci, true, GFP_NOWAIT);
- if (!stop_cmd)
- return;
-
cfg_cmd = xhci_alloc_command_with_ctx(xhci, true, GFP_NOWAIT);
if (!cfg_cmd)
goto cleanup;
@@ -3203,23 +3241,16 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd,
goto cleanup;
}
- err = xhci_queue_stop_endpoint(xhci, stop_cmd, udev->slot_id,
- ep_index, 0);
+ spin_unlock_irqrestore(&xhci->lock, flags);
+
+ err = xhci_stop_endpoint_sync(xhci, ep, 0, GFP_NOWAIT);
if (err < 0) {
- spin_unlock_irqrestore(&xhci->lock, flags);
- xhci_free_command(xhci, cfg_cmd);
xhci_dbg(xhci, "%s: Failed to queue stop ep command, %d ",
__func__, err);
goto cleanup;
}
- xhci_ring_cmd_db(xhci);
- spin_unlock_irqrestore(&xhci->lock, flags);
-
- wait_for_completion(stop_cmd->completion);
-
spin_lock_irqsave(&xhci->lock, flags);
-
/* config ep command clears toggle if add and drop ep flags are set */
ctrl_ctx = xhci_get_input_control_ctx(cfg_cmd->in_ctx);
if (!ctrl_ctx) {
@@ -3251,7 +3282,6 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd,
xhci_free_command(xhci, cfg_cmd);
cleanup:
- xhci_free_command(xhci, stop_cmd);
spin_lock_irqsave(&xhci->lock, flags);
if (ep->ep_state & EP_SOFT_CLEAR_TOGGLE)
ep->ep_state &= ~EP_SOFT_CLEAR_TOGGLE;
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 6e09b9130fae0..4f5e5187ea46c 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1920,6 +1920,8 @@ void xhci_ring_doorbell_for_active_rings(struct xhci_hcd *xhci,
void xhci_cleanup_command_queue(struct xhci_hcd *xhci);
void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring);
unsigned int count_trbs(u64 addr, u64 len);
+int xhci_stop_endpoint_sync(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
+ int suspend, gfp_t gfp_flags);
/* xHCI roothub code */
void xhci_set_link_state(struct xhci_hcd *xhci, struct xhci_port *port,
--
GitLab
From 58c7ea6a3df80af54f4c8ebc0b74c178790fe42a Mon Sep 17 00:00:00 2001
From: Wesley Cheng <quic_wcheng@quicinc.com>
Date: Fri, 16 Feb 2024 16:10:01 -0800
Subject: [PATCH 0426/2686] ASoC: dt-bindings: Add Q6USB backend
Add a dt-binding to describe the definition of enabling the Q6 USB backend
device for audio offloading. The node carries information, which is passed
along to the QC USB SND class driver counterpart. These parameters will be
utilized during QMI stream enable requests.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240217001017.29969-36-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../devicetree/bindings/sound/qcom,q6usb.yaml | 55 +++++++++++++++++++
1 file changed, 55 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6usb.yaml
diff --git a/Documentation/devicetree/bindings/sound/qcom,q6usb.yaml b/Documentation/devicetree/bindings/sound/qcom,q6usb.yaml
new file mode 100644
index 0000000000000..37161d2aa96e1
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,q6usb.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,q6usb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm ASoC DPCM USB backend DAI
+
+maintainers:
+ - Wesley Cheng <quic_wcheng@quicinc.com>
+
+description:
+ The USB port is a supported AFE path on the Q6 DSP. This ASoC DPCM
+ backend DAI will communicate the required settings to initialize the
+ XHCI host controller properly for enabling the offloaded audio stream.
+ Parameters defined under this node will carry settings, which will be
+ passed along during the QMI stream enable request and configuration of
+ the XHCI host controller.
+
+allOf:
+ - $ref: dai-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ - qcom,q6usb
+
+ iommus:
+ maxItems: 1
+
+ "#sound-dai-cells":
+ const: 1
+
+ qcom,usb-audio-intr-idx:
+ description:
+ Desired XHCI interrupter number to use. Depending on the audio DSP
+ on the platform, it will operate on a specific XHCI interrupter.
+ $ref: /schemas/types.yaml#/definitions/uint16
+ maximum: 8
+
+required:
+ - compatible
+ - "#sound-dai-cells"
+ - qcom,usb-audio-intr-idx
+
+additionalProperties: false
+
+examples:
+ - |
+ dais {
+ compatible = "qcom,q6usb";
+ #sound-dai-cells = <1>;
+ iommus = <&apps_smmu 0x180f 0x0>;
+ qcom,usb-audio-intr-idx = /bits/ 16 <2>;
+ };
--
GitLab
From a9c83252bff616cf3a38d55b7c6a6ad63667f2dd Mon Sep 17 00:00:00 2001
From: Wesley Cheng <quic_wcheng@quicinc.com>
Date: Fri, 16 Feb 2024 16:10:02 -0800
Subject: [PATCH 0427/2686] ASoC: dt-bindings: Update example for enabling USB
offload on SM8250
Add an example on enabling of USB offload for the Q6DSP. The routing can
be done by the mixer, which can pass the multimedia stream to the USB
backend.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240217001017.29969-37-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../devicetree/bindings/sound/qcom,sm8250.yaml | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
index 6f419747273e3..e78b8b660fcea 100644
--- a/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
+++ b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
@@ -227,6 +227,21 @@ examples:
sound-dai = <&vamacro 0>;
};
};
+
+ usb-dai-link {
+ link-name = "USB Playback";
+ cpu {
+ sound-dai = <&q6afedai USB_RX>;
+ };
+
+ codec {
+ sound-dai = <&usbdai USB_RX>;
+ };
+
+ platform {
+ sound-dai = <&q6routing>;
+ };
+ };
};
- |
--
GitLab
From d4718efff71dbacb935fdfafb0591b3d7ebdd14a Mon Sep 17 00:00:00 2001
From: Niko Mauno <niko.mauno@vaisala.com>
Date: Tue, 13 Feb 2024 14:45:18 +0200
Subject: [PATCH 0428/2686] usb: core: Kconfig: Improve USB authorization mode
help
Update the default USB device authorization mode help text so that the
meaning of the option and it's available values are described more
accurately.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Closes: https://lore.kernel.org/linux-usb/CAMuHMdUy793gzDVR0jfNnx5TUdJ_2MKH5NPGSgHkytAhArtqmw@mail.gmail.com/
Signed-off-by: Niko Mauno <niko.mauno@vaisala.com>
Link: https://lore.kernel.org/r/20240213124518.20231-1-niko.mauno@vaisala.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/Kconfig | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index f337aaea76042..58e3ca7e47939 100644
--- a/drivers/usb/core/Kconfig
+++ b/drivers/usb/core/Kconfig
@@ -126,10 +126,20 @@ config USB_DEFAULT_AUTHORIZATION_MODE
Select the default USB device authorization mode. Can be overridden
with usbcore.authorized_default command line or module parameter.
- The available values have the following meanings:
- 0 is unauthorized for all devices
- 1 is authorized for all devices (default)
- 2 is authorized for internal devices
+ This option allows you to choose whether USB devices that are
+ connected to the system can be used by default, or if they are
+ locked down.
- If the default value is too permissive but you are unsure which mode
- to use, say 2.
+ With value 0 all connected USB devices with the exception of root
+ hub require user space authorization before they can be used.
+
+ With value 1 (default) no user space authorization is required to
+ use connected USB devices.
+
+ With value 2 all connected USB devices with exception of internal
+ USB devices require user space authorization before they can be
+ used. Note that in this mode the differentiation between internal
+ and external USB devices relies on ACPI, and on systems without
+ ACPI selecting value 2 is analogous to selecting value 0.
+
+ If unsure, keep the default value.
--
GitLab
From b311048c174da893f47fc09439bc1f6fa2a29589 Mon Sep 17 00:00:00 2001
From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Date: Thu, 1 Feb 2024 02:26:53 +0000
Subject: [PATCH 0429/2686] usb: dwc3: gadget: Rewrite endpoint allocation flow
The driver dwc3 deviates from the programming guide in regard to
endpoint configuration. It does this command sequence:
DEPSTARTCFG -> DEPXFERCFG -> DEPCFG
Instead of the suggested flow:
DEPSTARTCFG -> DEPCFG -> DEPXFERCFG
The reasons for this deviation were as follow, quoted:
1) The databook says to do %DWC3_DEPCMD_DEPSTARTCFG for every
%USB_REQ_SET_CONFIGURATION and %USB_REQ_SET_INTERFACE
(8.1.5). This is incorrect in the scenario of multiple
interfaces.
2) The databook does not mention doing more
%DWC3_DEPCMD_DEPXFERCFG for new endpoint on alt setting
(8.1.6).
Regarding 1), DEPSTARTCFG resets the endpoints' resource and can be a
problem if used with SET_INTERFACE request of a multiple interface
configuration. But we can still satisfy the programming guide
requirement by assigning the endpoint resource as part of
usb_ep_enable(). We will only reset endpoint resources on controller
initialization and SET_CONFIGURATION request.
Regarding 2), the later versions of the programming guide were updated
to clarify this flow (see "Alternate Initialization on SetInterface
Request" of the programming guide). As long as the platform has enough
physical endpoints, we can assign resource to a new endpoint.
The order of the command sequence will not be a problem to most
platforms for the current implementation of the dwc3 driver. However,
this order is required in different scenarios (such as initialization
during controller's hibernation restore). Let's keep the flow consistent
and follow the programming guide.
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/c143583a5afb087deb8c3aa5eb227ee23515f272.1706754219.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/core.h | 1 +
drivers/usb/dwc3/ep0.c | 1 +
drivers/usb/dwc3/gadget.c | 89 +++++++++++++++++----------------------
drivers/usb/dwc3/gadget.h | 1 +
4 files changed, 41 insertions(+), 51 deletions(-)
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index df544ec730d22..4e628a9a60a5c 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -756,6 +756,7 @@ struct dwc3_ep {
#define DWC3_EP_PENDING_CLEAR_STALL BIT(11)
#define DWC3_EP_TXFIFO_RESIZED BIT(12)
#define DWC3_EP_DELAY_STOP BIT(13)
+#define DWC3_EP_RESOURCE_ALLOCATED BIT(14)
/* This last one is specific to EP0 */
#define DWC3_EP0_DIR_IN BIT(31)
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 6ae8a36f21cf6..72bb722da2f25 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -646,6 +646,7 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
return -EINVAL;
case USB_STATE_ADDRESS:
+ dwc3_gadget_start_config(dwc, 2);
dwc3_gadget_clear_tx_fifos(dwc);
ret = dwc3_ep0_delegate_req(dwc, ctrl);
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 564976b3e2b91..76d6011c8ebdb 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -519,77 +519,56 @@ static void dwc3_free_trb_pool(struct dwc3_ep *dep)
static int dwc3_gadget_set_xfer_resource(struct dwc3_ep *dep)
{
struct dwc3_gadget_ep_cmd_params params;
+ int ret;
+
+ if (dep->flags & DWC3_EP_RESOURCE_ALLOCATED)
+ return 0;
memset(¶ms, 0x00, sizeof(params));
params.param0 = DWC3_DEPXFERCFG_NUM_XFER_RES(1);
- return dwc3_send_gadget_ep_cmd(dep, DWC3_DEPCMD_SETTRANSFRESOURCE,
+ ret = dwc3_send_gadget_ep_cmd(dep, DWC3_DEPCMD_SETTRANSFRESOURCE,
¶ms);
+ if (ret)
+ return ret;
+
+ dep->flags |= DWC3_EP_RESOURCE_ALLOCATED;
+ return 0;
}
/**
- * dwc3_gadget_start_config - configure ep resources
- * @dep: endpoint that is being enabled
- *
- * Issue a %DWC3_DEPCMD_DEPSTARTCFG command to @dep. After the command's
- * completion, it will set Transfer Resource for all available endpoints.
- *
- * The assignment of transfer resources cannot perfectly follow the data book
- * due to the fact that the controller driver does not have all knowledge of the
- * configuration in advance. It is given this information piecemeal by the
- * composite gadget framework after every SET_CONFIGURATION and
- * SET_INTERFACE. Trying to follow the databook programming model in this
- * scenario can cause errors. For two reasons:
- *
- * 1) The databook says to do %DWC3_DEPCMD_DEPSTARTCFG for every
- * %USB_REQ_SET_CONFIGURATION and %USB_REQ_SET_INTERFACE (8.1.5). This is
- * incorrect in the scenario of multiple interfaces.
- *
- * 2) The databook does not mention doing more %DWC3_DEPCMD_DEPXFERCFG for new
- * endpoint on alt setting (8.1.6).
- *
- * The following simplified method is used instead:
+ * dwc3_gadget_start_config - reset endpoint resources
+ * @dwc: pointer to the DWC3 context
+ * @resource_index: DEPSTARTCFG.XferRscIdx value (must be 0 or 2)
*
- * All hardware endpoints can be assigned a transfer resource and this setting
- * will stay persistent until either a core reset or hibernation. So whenever we
- * do a %DWC3_DEPCMD_DEPSTARTCFG(0) we can go ahead and do
- * %DWC3_DEPCMD_DEPXFERCFG for every hardware endpoint as well. We are
- * guaranteed that there are as many transfer resources as endpoints.
+ * Set resource_index=0 to reset all endpoints' resources allocation. Do this as
+ * part of the power-on/soft-reset initialization.
*
- * This function is called for each endpoint when it is being enabled but is
- * triggered only when called for EP0-out, which always happens first, and which
- * should only happen in one of the above conditions.
+ * Set resource_index=2 to reset only non-control endpoints' resources. Do this
+ * on receiving the SET_CONFIGURATION request or hibernation resume.
*/
-static int dwc3_gadget_start_config(struct dwc3_ep *dep)
+int dwc3_gadget_start_config(struct dwc3 *dwc, unsigned int resource_index)
{
struct dwc3_gadget_ep_cmd_params params;
- struct dwc3 *dwc;
u32 cmd;
int i;
int ret;
- if (dep->number)
- return 0;
+ if (resource_index != 0 && resource_index != 2)
+ return -EINVAL;
memset(¶ms, 0x00, sizeof(params));
cmd = DWC3_DEPCMD_DEPSTARTCFG;
- dwc = dep->dwc;
+ cmd |= DWC3_DEPCMD_PARAM(resource_index);
- ret = dwc3_send_gadget_ep_cmd(dep, cmd, ¶ms);
+ ret = dwc3_send_gadget_ep_cmd(dwc->eps[0], cmd, ¶ms);
if (ret)
return ret;
- for (i = 0; i < DWC3_ENDPOINTS_NUM; i++) {
- struct dwc3_ep *dep = dwc->eps[i];
-
- if (!dep)
- continue;
-
- ret = dwc3_gadget_set_xfer_resource(dep);
- if (ret)
- return ret;
- }
+ /* Reset resource allocation flags */
+ for (i = resource_index; i < dwc->num_eps && dwc->eps[i]; i++)
+ dwc->eps[i]->flags &= ~DWC3_EP_RESOURCE_ALLOCATED;
return 0;
}
@@ -890,16 +869,18 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, unsigned int action)
ret = dwc3_gadget_resize_tx_fifos(dep);
if (ret)
return ret;
-
- ret = dwc3_gadget_start_config(dep);
- if (ret)
- return ret;
}
ret = dwc3_gadget_set_ep_config(dep, action);
if (ret)
return ret;
+ if (!(dep->flags & DWC3_EP_RESOURCE_ALLOCATED)) {
+ ret = dwc3_gadget_set_xfer_resource(dep);
+ if (ret)
+ return ret;
+ }
+
if (!(dep->flags & DWC3_EP_ENABLED)) {
struct dwc3_trb *trb_st_hw;
struct dwc3_trb *trb_link;
@@ -1053,7 +1034,7 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep)
dep->stream_capable = false;
dep->type = 0;
- mask = DWC3_EP_TXFIFO_RESIZED;
+ mask = DWC3_EP_TXFIFO_RESIZED | DWC3_EP_RESOURCE_ALLOCATED;
/*
* dwc3_remove_requests() can exit early if DWC3 EP delayed stop is
* set. Do not clear DEP flags, so that the end transfer command will
@@ -2914,6 +2895,12 @@ static int __dwc3_gadget_start(struct dwc3 *dwc)
/* Start with SuperSpeed Default */
dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512);
+ ret = dwc3_gadget_start_config(dwc, 0);
+ if (ret) {
+ dev_err(dwc->dev, "failed to config endpoints\n");
+ return ret;
+ }
+
dep = dwc->eps[0];
dep->flags = 0;
ret = __dwc3_gadget_ep_enable(dep, DWC3_DEPCFG_ACTION_INIT);
diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h
index fd7a4e94397e6..6d91a3f22e383 100644
--- a/drivers/usb/dwc3/gadget.h
+++ b/drivers/usb/dwc3/gadget.h
@@ -121,6 +121,7 @@ int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol);
void dwc3_ep0_send_delayed_status(struct dwc3 *dwc);
void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool interrupt);
+int dwc3_gadget_start_config(struct dwc3 *dwc, unsigned int resource_index);
/**
* dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW
--
GitLab
From 50c72a46eb41404d6b019532469639a8c26ca026 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Wed, 7 Feb 2024 12:03:19 +0000
Subject: [PATCH 0430/2686] usb: dwc3: gadget: Remove redundant assignment to
pointer trb
The pointer trb is being assigned a value that is not being
read afterwards, it is being re-assigned later inside a for_each_sg
loop. The assignment is redundant and can be removed.
Cleans up clang scan warning:
drivers/usb/dwc3/gadget.c:3432:19: warning: Value stored to 'trb'
during its initialization is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240207120319.2445123-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/gadget.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 76d6011c8ebdb..3a8c4c28573e2 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -3416,7 +3416,7 @@ static int dwc3_gadget_ep_reclaim_trb_sg(struct dwc3_ep *dep,
struct dwc3_request *req, const struct dwc3_event_depevt *event,
int status)
{
- struct dwc3_trb *trb = &dep->trb_pool[dep->trb_dequeue];
+ struct dwc3_trb *trb;
struct scatterlist *sg = req->sg;
struct scatterlist *s;
unsigned int num_queued = req->num_queued_sgs;
--
GitLab
From b65bdf7fd605ebd652a8d44304bafe753f44f160 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Wed, 31 Jan 2024 10:10:27 +0300
Subject: [PATCH 0431/2686] usb: dwc3: Fix an IS_ERR() vs NULL check in
dwc3_power_off_all_roothub_ports()
The ioremap() function doesn't return error pointers, it returns NULL on
error. Update the check.
Fixes: 2d2a3349521d ("usb: dwc3: Add workaround for host mode VBUS glitch when boot")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/71499112-4ed3-489a-9a56-b4a8ab89cd05@moroto.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/host.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index ae189b7a4f8b8..4e6239d3a0ac2 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -35,7 +35,7 @@ static void dwc3_power_off_all_roothub_ports(struct dwc3 *dwc)
/* xhci regs is not mapped yet, do it temperary here */
if (dwc->xhci_resources[0].start) {
xhci_regs = ioremap(dwc->xhci_resources[0].start, DWC3_XHCI_REGS_END);
- if (IS_ERR(xhci_regs)) {
+ if (!xhci_regs) {
dev_err(dwc->dev, "Failed to ioremap xhci_regs\n");
return;
}
--
GitLab
From 8c1b6b74d464ecdc6f64167e7fc555ec634f5d47 Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@nxp.com>
Date: Mon, 12 Feb 2024 11:19:07 -0500
Subject: [PATCH 0432/2686] dt-bindings: usb: dwc3: drop
'snps,host-vbus-glitches-quirk'
Drop 'snps,host-vbus-glitches-quirk'. It is safer to keep vbus disabled
before handing over to xhci driver. Needn't this property to control enable
workaround. Apply workaround unconditional.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240212-vbus-glitch-v2-1-d71b73a82de1@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 7 -------
1 file changed, 7 deletions(-)
diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
index 8f5d250070c78..203a1eb66691f 100644
--- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
@@ -273,13 +273,6 @@ properties:
with an external supply.
type: boolean
- snps,host-vbus-glitches-quirk:
- description:
- When set, power off all Root Hub ports immediately after
- setting host mode to avoid vbus (negative) glitch happen in later
- xhci reset. And the vbus will back to 5V automatically when reset done.
- type: boolean
-
snps,is-utmi-l1-suspend:
description:
True when DWC3 asserts output signal utmi_l1_suspend_n, false when
--
GitLab
From a6ba1e453174f11e25dd3cdcf289b4b34ddfa28d Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@nxp.com>
Date: Mon, 12 Feb 2024 11:19:08 -0500
Subject: [PATCH 0433/2686] usb: dwc3: apply snps,host-vbus-glitches workaround
unconditionally
Remove 'snps,host-vbus-glitches-quirk' and apply workaround
unconditionally.
It is safer to keep vbus disabled before handing over to xhci driver. So
needn't 'snps,host-vbus-glitches' property to enable it and apply it
unconditionally.
Remove all host_vbus_glitches variable and call
dwc3_power_off_all_roothub_ports() directly.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240212-vbus-glitch-v2-2-d71b73a82de1@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/core.c | 3 ---
drivers/usb/dwc3/core.h | 2 --
drivers/usb/dwc3/host.c | 3 +--
3 files changed, 1 insertion(+), 7 deletions(-)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 3b68e8e45b8b9..3e55838c00014 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1626,9 +1626,6 @@ static void dwc3_get_properties(struct dwc3 *dwc)
dwc->dis_split_quirk = device_property_read_bool(dev,
"snps,dis-split-quirk");
- dwc->host_vbus_glitches_quirk = device_property_read_bool(dev,
- "snps,host-vbus-glitches-quirk");
-
dwc->lpm_nyet_threshold = lpm_nyet_threshold;
dwc->tx_de_emphasis = tx_de_emphasis;
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 4e628a9a60a5c..aeb2c1f4c7c70 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -1133,7 +1133,6 @@ struct dwc3_scratchpad_array {
* 2 - No de-emphasis
* 3 - Reserved
* @dis_metastability_quirk: set to disable metastability quirk.
- * @host_vbus_glitches_quirk: set to avoid vbus glitch during xhci reset.
* @dis_split_quirk: set to disable split boundary.
* @wakeup_configured: set if the device is configured for remote wakeup.
* @suspended: set to track suspend event due to U3/L2.
@@ -1355,7 +1354,6 @@ struct dwc3 {
unsigned tx_de_emphasis:2;
unsigned dis_metastability_quirk:1;
- unsigned host_vbus_glitches_quirk:1;
unsigned dis_split_quirk:1;
unsigned async_callbacks:1;
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index 4e6239d3a0ac2..5a5cb6ce9946d 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -114,8 +114,7 @@ int dwc3_host_init(struct dwc3 *dwc)
* Some platforms need to power off all Root hub ports immediately after DWC3 set to host
* mode to avoid VBUS glitch happen when xhci get reset later.
*/
- if (dwc->host_vbus_glitches_quirk)
- dwc3_power_off_all_roothub_ports(dwc);
+ dwc3_power_off_all_roothub_ports(dwc);
irq = dwc3_host_get_irq(dwc);
if (irq < 0)
--
GitLab
From 7ad818eef647fa5d4614a335107ce28cbf1c13c3 Mon Sep 17 00:00:00 2001
From: Luca Weiss <luca.weiss@fairphone.com>
Date: Wed, 20 Dec 2023 11:02:58 +0100
Subject: [PATCH 0434/2686] arm64: dts: qcom: qcm6490-fairphone-fp5: Add PMIC
GLINK
Via the PMIC GLINK driver we can get info about fuel gauge, charger and
USB connector events. Add the node to the dts and configure USB so that
role switching works.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20231220-fp5-pmic-glink-v1-3-2a1f8e3c661c@fairphone.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../boot/dts/qcom/qcm6490-fairphone-fp5.dts | 46 ++++++++++++++++++-
arch/arm64/boot/dts/qcom/sc7280.dtsi | 19 ++++++++
2 files changed, 64 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
index 176898c9dbbd7..e9076d92ebd1d 100644
--- a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
+++ b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
@@ -71,6 +71,41 @@ event-hall-sensor {
};
};
+ pmic-glink {
+ compatible = "qcom,qcm6490-pmic-glink", "qcom,pmic-glink";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ connector@0 {
+ compatible = "usb-c-connector";
+ reg = <0>;
+ power-role = "dual";
+ data-role = "dual";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ pmic_glink_hs_in: endpoint {
+ remote-endpoint = <&usb_1_dwc3_hs>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ pmic_glink_ss_in: endpoint {
+ remote-endpoint = <&usb_1_dwc3_ss>;
+ };
+ };
+ };
+ };
+ };
+
reserved-memory {
cont_splash_mem: cont-splash@e1000000 {
reg = <0x0 0xe1000000 0x0 0x2300000>;
@@ -886,7 +921,16 @@ &usb_1 {
};
&usb_1_dwc3 {
- dr_mode = "peripheral";
+ dr_mode = "otg";
+ usb-role-switch;
+};
+
+&usb_1_dwc3_hs {
+ remote-endpoint = <&pmic_glink_hs_in>;
+};
+
+&usb_1_dwc3_ss {
+ remote-endpoint = <&pmic_glink_ss_in>;
};
&usb_1_hsphy {
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 83b5b76ba1794..f5ca69dd7eeb3 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -4065,6 +4065,25 @@ usb_1_dwc3: usb@a600000 {
phys = <&usb_1_hsphy>, <&usb_1_qmpphy QMP_USB43DP_USB3_PHY>;
phy-names = "usb2-phy", "usb3-phy";
maximum-speed = "super-speed";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ usb_1_dwc3_hs: endpoint {
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ usb_1_dwc3_ss: endpoint {
+ };
+ };
+ };
};
};
--
GitLab
From 99f638dd49ca80538addec6b3733ddb5784c9373 Mon Sep 17 00:00:00 2001
From: Paul Cercueil <paul@crapouillou.net>
Date: Tue, 30 Jan 2024 13:23:37 +0100
Subject: [PATCH 0435/2686] usb: gadget: Support already-mapped DMA SGs
Add a new 'sg_was_mapped' field to the struct usb_request. This field
can be used to indicate that the scatterlist associated to the USB
transfer has already been mapped into the DMA space, and it does not
have to be done internally.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20240130122340.54813-2-paul@crapouillou.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/udc/core.c | 7 ++++++-
include/linux/usb/gadget.h | 2 ++
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index d59f94464b870..9d4150124fdb8 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -903,6 +903,11 @@ int usb_gadget_map_request_by_dev(struct device *dev,
if (req->length == 0)
return 0;
+ if (req->sg_was_mapped) {
+ req->num_mapped_sgs = req->num_sgs;
+ return 0;
+ }
+
if (req->num_sgs) {
int mapped;
@@ -948,7 +953,7 @@ EXPORT_SYMBOL_GPL(usb_gadget_map_request);
void usb_gadget_unmap_request_by_dev(struct device *dev,
struct usb_request *req, int is_in)
{
- if (req->length == 0)
+ if (req->length == 0 || req->sg_was_mapped)
return;
if (req->num_mapped_sgs) {
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index a771ccc038ac9..c529e4e069975 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -52,6 +52,7 @@ struct usb_ep;
* @short_not_ok: When reading data, makes short packets be
* treated as errors (queue stops advancing till cleanup).
* @dma_mapped: Indicates if request has been mapped to DMA (internal)
+ * @sg_was_mapped: Set if the scatterlist has been mapped before the request
* @complete: Function called when request completes, so this request and
* its buffer may be re-used. The function will always be called with
* interrupts disabled, and it must not sleep.
@@ -111,6 +112,7 @@ struct usb_request {
unsigned zero:1;
unsigned short_not_ok:1;
unsigned dma_mapped:1;
+ unsigned sg_was_mapped:1;
void (*complete)(struct usb_ep *ep,
struct usb_request *req);
--
GitLab
From 799970a5b15deec8bbcb098b11a73d8acc55d075 Mon Sep 17 00:00:00 2001
From: Paul Cercueil <paul@crapouillou.net>
Date: Tue, 30 Jan 2024 13:23:38 +0100
Subject: [PATCH 0436/2686] usb: gadget: functionfs: Factorize
wait-for-endpoint code
This exact same code was duplicated in two different places.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20240130122340.54813-3-paul@crapouillou.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/f_fs.c | 48 +++++++++++++++++-------------
1 file changed, 27 insertions(+), 21 deletions(-)
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index be3851cffb73d..491a1e0f4fa3d 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -934,31 +934,44 @@ static ssize_t __ffs_epfile_read_data(struct ffs_epfile *epfile,
return ret;
}
-static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
+static struct ffs_ep *ffs_epfile_wait_ep(struct file *file)
{
struct ffs_epfile *epfile = file->private_data;
- struct usb_request *req;
struct ffs_ep *ep;
- char *data = NULL;
- ssize_t ret, data_len = -EINVAL;
- int halt;
-
- /* Are we still active? */
- if (WARN_ON(epfile->ffs->state != FFS_ACTIVE))
- return -ENODEV;
+ int ret;
/* Wait for endpoint to be enabled */
ep = epfile->ep;
if (!ep) {
if (file->f_flags & O_NONBLOCK)
- return -EAGAIN;
+ return ERR_PTR(-EAGAIN);
ret = wait_event_interruptible(
epfile->ffs->wait, (ep = epfile->ep));
if (ret)
- return -EINTR;
+ return ERR_PTR(-EINTR);
}
+ return ep;
+}
+
+static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
+{
+ struct ffs_epfile *epfile = file->private_data;
+ struct usb_request *req;
+ struct ffs_ep *ep;
+ char *data = NULL;
+ ssize_t ret, data_len = -EINVAL;
+ int halt;
+
+ /* Are we still active? */
+ if (WARN_ON(epfile->ffs->state != FFS_ACTIVE))
+ return -ENODEV;
+
+ ep = ffs_epfile_wait_ep(file);
+ if (IS_ERR(ep))
+ return PTR_ERR(ep);
+
/* Do we halt? */
halt = (!io_data->read == !epfile->in);
if (halt && epfile->isoc)
@@ -1280,16 +1293,9 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code,
return -ENODEV;
/* Wait for endpoint to be enabled */
- ep = epfile->ep;
- if (!ep) {
- if (file->f_flags & O_NONBLOCK)
- return -EAGAIN;
-
- ret = wait_event_interruptible(
- epfile->ffs->wait, (ep = epfile->ep));
- if (ret)
- return -EINTR;
- }
+ ep = ffs_epfile_wait_ep(file);
+ if (IS_ERR(ep))
+ return PTR_ERR(ep);
spin_lock_irq(&epfile->ffs->eps_lock);
--
GitLab
From 7b07a2a7ca02a20124b552be96c5a56910795488 Mon Sep 17 00:00:00 2001
From: Paul Cercueil <paul@crapouillou.net>
Date: Tue, 30 Jan 2024 13:23:39 +0100
Subject: [PATCH 0437/2686] usb: gadget: functionfs: Add DMABUF import
interface
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This patch introduces three new ioctls. They all should be called on a
data endpoint (ie. not ep0). They are:
- FUNCTIONFS_DMABUF_ATTACH, which takes the file descriptor of a DMABUF
object to attach to the endpoint.
- FUNCTIONFS_DMABUF_DETACH, which takes the file descriptor of the
DMABUF to detach from the endpoint. Note that closing the endpoint's
file descriptor will automatically detach all attached DMABUFs.
- FUNCTIONFS_DMABUF_TRANSFER, which requests a data transfer from / to
the given DMABUF. Its argument is a structure that packs the DMABUF's
file descriptor, the size in bytes to transfer (which should generally
be set to the size of the DMABUF), and a 'flags' field which is unused
for now.
Before this ioctl can be used, the related DMABUF must be attached
with FUNCTIONFS_DMABUF_ATTACH.
These three ioctls enable the FunctionFS code to transfer data between
the USB stack and a DMABUF object, which can be provided by a driver
from a completely different subsystem, in a zero-copy fashion.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/r/20240130122340.54813-4-paul@crapouillou.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/Kconfig | 1 +
drivers/usb/gadget/function/f_fs.c | 467 ++++++++++++++++++++++++++++
include/uapi/linux/usb/functionfs.h | 41 +++
3 files changed, 509 insertions(+)
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index b3592bcb0f966..566ff0b1282a8 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -190,6 +190,7 @@ config USB_F_MASS_STORAGE
tristate
config USB_F_FS
+ select DMA_SHARED_BUFFER
tristate
config USB_F_UAC1
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 491a1e0f4fa3d..bffbc1dc651f9 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -15,6 +15,9 @@
/* #define VERBOSE_DEBUG */
#include <linux/blkdev.h>
+#include <linux/dma-buf.h>
+#include <linux/dma-fence.h>
+#include <linux/dma-resv.h>
#include <linux/pagemap.h>
#include <linux/export.h>
#include <linux/fs_parser.h>
@@ -43,6 +46,8 @@
#define FUNCTIONFS_MAGIC 0xa647361 /* Chosen by a honest dice roll ;) */
+MODULE_IMPORT_NS(DMA_BUF);
+
/* Reference counter handling */
static void ffs_data_get(struct ffs_data *ffs);
static void ffs_data_put(struct ffs_data *ffs);
@@ -124,6 +129,25 @@ struct ffs_ep {
u8 num;
};
+struct ffs_dmabuf_priv {
+ struct list_head entry;
+ struct kref ref;
+ struct ffs_data *ffs;
+ struct dma_buf_attachment *attach;
+ struct sg_table *sgt;
+ enum dma_data_direction dir;
+ spinlock_t lock;
+ u64 context;
+ struct usb_request *req; /* P: ffs->eps_lock */
+ struct usb_ep *ep; /* P: ffs->eps_lock */
+};
+
+struct ffs_dma_fence {
+ struct dma_fence base;
+ struct ffs_dmabuf_priv *priv;
+ struct work_struct work;
+};
+
struct ffs_epfile {
/* Protects ep->ep and ep->req. */
struct mutex mutex;
@@ -197,6 +221,11 @@ struct ffs_epfile {
unsigned char isoc; /* P: ffs->eps_lock */
unsigned char _pad;
+
+ /* Protects dmabufs */
+ struct mutex dmabufs_mutex;
+ struct list_head dmabufs; /* P: dmabufs_mutex */
+ atomic_t seqno;
};
struct ffs_buffer {
@@ -1271,10 +1300,58 @@ static ssize_t ffs_epfile_read_iter(struct kiocb *kiocb, struct iov_iter *to)
return res;
}
+static void ffs_dmabuf_release(struct kref *ref)
+{
+ struct ffs_dmabuf_priv *priv = container_of(ref, struct ffs_dmabuf_priv, ref);
+ struct dma_buf_attachment *attach = priv->attach;
+ struct dma_buf *dmabuf = attach->dmabuf;
+
+ pr_vdebug("FFS DMABUF release\n");
+ dma_resv_lock(dmabuf->resv, NULL);
+ dma_buf_unmap_attachment(attach, priv->sgt, priv->dir);
+ dma_resv_unlock(dmabuf->resv);
+
+ dma_buf_detach(attach->dmabuf, attach);
+ dma_buf_put(dmabuf);
+ kfree(priv);
+}
+
+static void ffs_dmabuf_get(struct dma_buf_attachment *attach)
+{
+ struct ffs_dmabuf_priv *priv = attach->importer_priv;
+
+ kref_get(&priv->ref);
+}
+
+static void ffs_dmabuf_put(struct dma_buf_attachment *attach)
+{
+ struct ffs_dmabuf_priv *priv = attach->importer_priv;
+
+ kref_put(&priv->ref, ffs_dmabuf_release);
+}
+
static int
ffs_epfile_release(struct inode *inode, struct file *file)
{
struct ffs_epfile *epfile = inode->i_private;
+ struct ffs_dmabuf_priv *priv, *tmp;
+ struct ffs_data *ffs = epfile->ffs;
+
+ mutex_lock(&epfile->dmabufs_mutex);
+
+ /* Close all attached DMABUFs */
+ list_for_each_entry_safe(priv, tmp, &epfile->dmabufs, entry) {
+ /* Cancel any pending transfer */
+ spin_lock_irq(&ffs->eps_lock);
+ if (priv->ep && priv->req)
+ usb_ep_dequeue(priv->ep, priv->req);
+ spin_unlock_irq(&ffs->eps_lock);
+
+ list_del(&priv->entry);
+ ffs_dmabuf_put(priv->attach);
+ }
+
+ mutex_unlock(&epfile->dmabufs_mutex);
__ffs_epfile_read_buffer_free(epfile);
ffs_data_closed(epfile->ffs);
@@ -1282,6 +1359,356 @@ ffs_epfile_release(struct inode *inode, struct file *file)
return 0;
}
+static void ffs_dmabuf_cleanup(struct work_struct *work)
+{
+ struct ffs_dma_fence *dma_fence =
+ container_of(work, struct ffs_dma_fence, work);
+ struct ffs_dmabuf_priv *priv = dma_fence->priv;
+ struct dma_buf_attachment *attach = priv->attach;
+ struct dma_fence *fence = &dma_fence->base;
+
+ ffs_dmabuf_put(attach);
+ dma_fence_put(fence);
+}
+
+static void ffs_dmabuf_signal_done(struct ffs_dma_fence *dma_fence, int ret)
+{
+ struct ffs_dmabuf_priv *priv = dma_fence->priv;
+ struct dma_fence *fence = &dma_fence->base;
+ bool cookie = dma_fence_begin_signalling();
+
+ dma_fence_get(fence);
+ fence->error = ret;
+ dma_fence_signal(fence);
+ dma_fence_end_signalling(cookie);
+
+ /*
+ * The fence will be unref'd in ffs_dmabuf_cleanup.
+ * It can't be done here, as the unref functions might try to lock
+ * the resv object, which would deadlock.
+ */
+ INIT_WORK(&dma_fence->work, ffs_dmabuf_cleanup);
+ queue_work(priv->ffs->io_completion_wq, &dma_fence->work);
+}
+
+static void ffs_epfile_dmabuf_io_complete(struct usb_ep *ep,
+ struct usb_request *req)
+{
+ pr_vdebug("FFS: DMABUF transfer complete, status=%d\n", req->status);
+ ffs_dmabuf_signal_done(req->context, req->status);
+ usb_ep_free_request(ep, req);
+}
+
+static const char *ffs_dmabuf_get_driver_name(struct dma_fence *fence)
+{
+ return "functionfs";
+}
+
+static const char *ffs_dmabuf_get_timeline_name(struct dma_fence *fence)
+{
+ return "";
+}
+
+static void ffs_dmabuf_fence_release(struct dma_fence *fence)
+{
+ struct ffs_dma_fence *dma_fence =
+ container_of(fence, struct ffs_dma_fence, base);
+
+ kfree(dma_fence);
+}
+
+static const struct dma_fence_ops ffs_dmabuf_fence_ops = {
+ .get_driver_name = ffs_dmabuf_get_driver_name,
+ .get_timeline_name = ffs_dmabuf_get_timeline_name,
+ .release = ffs_dmabuf_fence_release,
+};
+
+static int ffs_dma_resv_lock(struct dma_buf *dmabuf, bool nonblock)
+{
+ if (!nonblock)
+ return dma_resv_lock_interruptible(dmabuf->resv, NULL);
+
+ if (!dma_resv_trylock(dmabuf->resv))
+ return -EBUSY;
+
+ return 0;
+}
+
+static struct dma_buf_attachment *
+ffs_dmabuf_find_attachment(struct ffs_epfile *epfile, struct dma_buf *dmabuf)
+{
+ struct device *dev = epfile->ffs->gadget->dev.parent;
+ struct dma_buf_attachment *attach = NULL;
+ struct ffs_dmabuf_priv *priv;
+
+ mutex_lock(&epfile->dmabufs_mutex);
+
+ list_for_each_entry(priv, &epfile->dmabufs, entry) {
+ if (priv->attach->dev == dev
+ && priv->attach->dmabuf == dmabuf) {
+ attach = priv->attach;
+ break;
+ }
+ }
+
+ if (attach)
+ ffs_dmabuf_get(attach);
+
+ mutex_unlock(&epfile->dmabufs_mutex);
+
+ return attach ?: ERR_PTR(-EPERM);
+}
+
+static int ffs_dmabuf_attach(struct file *file, int fd)
+{
+ bool nonblock = file->f_flags & O_NONBLOCK;
+ struct ffs_epfile *epfile = file->private_data;
+ struct usb_gadget *gadget = epfile->ffs->gadget;
+ struct dma_buf_attachment *attach;
+ struct ffs_dmabuf_priv *priv;
+ enum dma_data_direction dir;
+ struct sg_table *sg_table;
+ struct dma_buf *dmabuf;
+ int err;
+
+ if (!gadget || !gadget->sg_supported)
+ return -EPERM;
+
+ dmabuf = dma_buf_get(fd);
+ if (IS_ERR(dmabuf))
+ return PTR_ERR(dmabuf);
+
+ attach = dma_buf_attach(dmabuf, gadget->dev.parent);
+ if (IS_ERR(attach)) {
+ err = PTR_ERR(attach);
+ goto err_dmabuf_put;
+ }
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv) {
+ err = -ENOMEM;
+ goto err_dmabuf_detach;
+ }
+
+ dir = epfile->in ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
+
+ err = ffs_dma_resv_lock(dmabuf, nonblock);
+ if (err)
+ goto err_free_priv;
+
+ sg_table = dma_buf_map_attachment(attach, dir);
+ dma_resv_unlock(dmabuf->resv);
+
+ if (IS_ERR(sg_table)) {
+ err = PTR_ERR(sg_table);
+ goto err_free_priv;
+ }
+
+ attach->importer_priv = priv;
+
+ priv->sgt = sg_table;
+ priv->dir = dir;
+ priv->ffs = epfile->ffs;
+ priv->attach = attach;
+ spin_lock_init(&priv->lock);
+ kref_init(&priv->ref);
+ priv->context = dma_fence_context_alloc(1);
+
+ mutex_lock(&epfile->dmabufs_mutex);
+ list_add(&priv->entry, &epfile->dmabufs);
+ mutex_unlock(&epfile->dmabufs_mutex);
+
+ return 0;
+
+err_free_priv:
+ kfree(priv);
+err_dmabuf_detach:
+ dma_buf_detach(dmabuf, attach);
+err_dmabuf_put:
+ dma_buf_put(dmabuf);
+
+ return err;
+}
+
+static int ffs_dmabuf_detach(struct file *file, int fd)
+{
+ struct ffs_epfile *epfile = file->private_data;
+ struct ffs_data *ffs = epfile->ffs;
+ struct device *dev = ffs->gadget->dev.parent;
+ struct ffs_dmabuf_priv *priv, *tmp;
+ struct dma_buf *dmabuf;
+ int ret = -EPERM;
+
+ dmabuf = dma_buf_get(fd);
+ if (IS_ERR(dmabuf))
+ return PTR_ERR(dmabuf);
+
+ mutex_lock(&epfile->dmabufs_mutex);
+
+ list_for_each_entry_safe(priv, tmp, &epfile->dmabufs, entry) {
+ if (priv->attach->dev == dev
+ && priv->attach->dmabuf == dmabuf) {
+ /* Cancel any pending transfer */
+ spin_lock_irq(&ffs->eps_lock);
+ if (priv->ep && priv->req)
+ usb_ep_dequeue(priv->ep, priv->req);
+ spin_unlock_irq(&ffs->eps_lock);
+
+ list_del(&priv->entry);
+
+ /* Unref the reference from ffs_dmabuf_attach() */
+ ffs_dmabuf_put(priv->attach);
+ ret = 0;
+ break;
+ }
+ }
+
+ mutex_unlock(&epfile->dmabufs_mutex);
+ dma_buf_put(dmabuf);
+
+ return ret;
+}
+
+static int ffs_dmabuf_transfer(struct file *file,
+ const struct usb_ffs_dmabuf_transfer_req *req)
+{
+ bool nonblock = file->f_flags & O_NONBLOCK;
+ struct ffs_epfile *epfile = file->private_data;
+ struct dma_buf_attachment *attach;
+ struct ffs_dmabuf_priv *priv;
+ struct ffs_dma_fence *fence;
+ struct usb_request *usb_req;
+ struct dma_buf *dmabuf;
+ struct ffs_ep *ep;
+ bool cookie;
+ u32 seqno;
+ int ret;
+
+ if (req->flags & ~USB_FFS_DMABUF_TRANSFER_MASK)
+ return -EINVAL;
+
+ dmabuf = dma_buf_get(req->fd);
+ if (IS_ERR(dmabuf))
+ return PTR_ERR(dmabuf);
+
+ if (req->length > dmabuf->size || req->length == 0) {
+ ret = -EINVAL;
+ goto err_dmabuf_put;
+ }
+
+ attach = ffs_dmabuf_find_attachment(epfile, dmabuf);
+ if (IS_ERR(attach)) {
+ ret = PTR_ERR(attach);
+ goto err_dmabuf_put;
+ }
+
+ priv = attach->importer_priv;
+
+ ep = ffs_epfile_wait_ep(file);
+ if (IS_ERR(ep)) {
+ ret = PTR_ERR(ep);
+ goto err_attachment_put;
+ }
+
+ ret = ffs_dma_resv_lock(dmabuf, nonblock);
+ if (ret)
+ goto err_attachment_put;
+
+ /* Make sure we don't have writers */
+ if (!dma_resv_test_signaled(dmabuf->resv, DMA_RESV_USAGE_WRITE)) {
+ pr_vdebug("FFS WRITE fence is not signaled\n");
+ ret = -EBUSY;
+ goto err_resv_unlock;
+ }
+
+ /* If we're writing to the DMABUF, make sure we don't have readers */
+ if (epfile->in &&
+ !dma_resv_test_signaled(dmabuf->resv, DMA_RESV_USAGE_READ)) {
+ pr_vdebug("FFS READ fence is not signaled\n");
+ ret = -EBUSY;
+ goto err_resv_unlock;
+ }
+
+ ret = dma_resv_reserve_fences(dmabuf->resv, 1);
+ if (ret)
+ goto err_resv_unlock;
+
+ fence = kmalloc(sizeof(*fence), GFP_KERNEL);
+ if (!fence) {
+ ret = -ENOMEM;
+ goto err_resv_unlock;
+ }
+
+ fence->priv = priv;
+
+ spin_lock_irq(&epfile->ffs->eps_lock);
+
+ /* In the meantime, endpoint got disabled or changed. */
+ if (epfile->ep != ep) {
+ ret = -ESHUTDOWN;
+ goto err_fence_put;
+ }
+
+ usb_req = usb_ep_alloc_request(ep->ep, GFP_ATOMIC);
+ if (!usb_req) {
+ ret = -ENOMEM;
+ goto err_fence_put;
+ }
+
+ /*
+ * usb_ep_queue() guarantees that all transfers are processed in the
+ * order they are enqueued, so we can use a simple incrementing
+ * sequence number for the dma_fence.
+ */
+ seqno = atomic_add_return(1, &epfile->seqno);
+
+ dma_fence_init(&fence->base, &ffs_dmabuf_fence_ops,
+ &priv->lock, priv->context, seqno);
+
+ dma_resv_add_fence(dmabuf->resv, &fence->base,
+ dma_resv_usage_rw(epfile->in));
+ dma_resv_unlock(dmabuf->resv);
+
+ /* Now that the dma_fence is in place, queue the transfer. */
+
+ usb_req->length = req->length;
+ usb_req->buf = NULL;
+ usb_req->sg = priv->sgt->sgl;
+ usb_req->num_sgs = sg_nents_for_len(priv->sgt->sgl, req->length);
+ usb_req->sg_was_mapped = true;
+ usb_req->context = fence;
+ usb_req->complete = ffs_epfile_dmabuf_io_complete;
+
+ cookie = dma_fence_begin_signalling();
+ ret = usb_ep_queue(ep->ep, usb_req, GFP_ATOMIC);
+ dma_fence_end_signalling(cookie);
+ if (!ret) {
+ priv->req = usb_req;
+ priv->ep = ep->ep;
+ } else {
+ pr_warn("FFS: Failed to queue DMABUF: %d\n", ret);
+ ffs_dmabuf_signal_done(fence, ret);
+ usb_ep_free_request(ep->ep, usb_req);
+ }
+
+ spin_unlock_irq(&epfile->ffs->eps_lock);
+ dma_buf_put(dmabuf);
+
+ return ret;
+
+err_fence_put:
+ spin_unlock_irq(&epfile->ffs->eps_lock);
+ dma_fence_put(&fence->base);
+err_resv_unlock:
+ dma_resv_unlock(dmabuf->resv);
+err_attachment_put:
+ ffs_dmabuf_put(attach);
+err_dmabuf_put:
+ dma_buf_put(dmabuf);
+
+ return ret;
+}
+
static long ffs_epfile_ioctl(struct file *file, unsigned code,
unsigned long value)
{
@@ -1292,6 +1719,44 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code,
if (WARN_ON(epfile->ffs->state != FFS_ACTIVE))
return -ENODEV;
+ switch (code) {
+ case FUNCTIONFS_DMABUF_ATTACH:
+ {
+ int fd;
+
+ if (copy_from_user(&fd, (void __user *)value, sizeof(fd))) {
+ ret = -EFAULT;
+ break;
+ }
+
+ return ffs_dmabuf_attach(file, fd);
+ }
+ case FUNCTIONFS_DMABUF_DETACH:
+ {
+ int fd;
+
+ if (copy_from_user(&fd, (void __user *)value, sizeof(fd))) {
+ ret = -EFAULT;
+ break;
+ }
+
+ return ffs_dmabuf_detach(file, fd);
+ }
+ case FUNCTIONFS_DMABUF_TRANSFER:
+ {
+ struct usb_ffs_dmabuf_transfer_req req;
+
+ if (copy_from_user(&req, (void __user *)value, sizeof(req))) {
+ ret = -EFAULT;
+ break;
+ }
+
+ return ffs_dmabuf_transfer(file, &req);
+ }
+ default:
+ break;
+ }
+
/* Wait for endpoint to be enabled */
ep = ffs_epfile_wait_ep(file);
if (IS_ERR(ep))
@@ -1869,6 +2334,8 @@ static int ffs_epfiles_create(struct ffs_data *ffs)
for (i = 1; i <= count; ++i, ++epfile) {
epfile->ffs = ffs;
mutex_init(&epfile->mutex);
+ mutex_init(&epfile->dmabufs_mutex);
+ INIT_LIST_HEAD(&epfile->dmabufs);
if (ffs->user_flags & FUNCTIONFS_VIRTUAL_ADDR)
sprintf(epfile->name, "ep%02x", ffs->eps_addrmap[i]);
else
diff --git a/include/uapi/linux/usb/functionfs.h b/include/uapi/linux/usb/functionfs.h
index 078098e73fd3e..9f88de9c3d660 100644
--- a/include/uapi/linux/usb/functionfs.h
+++ b/include/uapi/linux/usb/functionfs.h
@@ -86,6 +86,22 @@ struct usb_ext_prop_desc {
__le16 wPropertyNameLength;
} __attribute__((packed));
+/* Flags for usb_ffs_dmabuf_transfer_req->flags (none for now) */
+#define USB_FFS_DMABUF_TRANSFER_MASK 0x0
+
+/**
+ * struct usb_ffs_dmabuf_transfer_req - Transfer request for a DMABUF object
+ * @fd: file descriptor of the DMABUF object
+ * @flags: one or more USB_FFS_DMABUF_TRANSFER_* flags
+ * @length: number of bytes used in this DMABUF for the data transfer.
+ * Should generally be set to the DMABUF's size.
+ */
+struct usb_ffs_dmabuf_transfer_req {
+ int fd;
+ __u32 flags;
+ __u64 length;
+} __attribute__((packed));
+
#ifndef __KERNEL__
/*
@@ -290,6 +306,31 @@ struct usb_functionfs_event {
#define FUNCTIONFS_ENDPOINT_DESC _IOR('g', 130, \
struct usb_endpoint_descriptor)
+/*
+ * Attach the DMABUF object, identified by its file descriptor, to the
+ * data endpoint. Returns zero on success, and a negative errno value
+ * on error.
+ */
+#define FUNCTIONFS_DMABUF_ATTACH _IOW('g', 131, int)
+
+/*
+ * Detach the given DMABUF object, identified by its file descriptor,
+ * from the data endpoint. Returns zero on success, and a negative
+ * errno value on error. Note that closing the endpoint's file
+ * descriptor will automatically detach all attached DMABUFs.
+ */
+#define FUNCTIONFS_DMABUF_DETACH _IOW('g', 132, int)
+
+/*
+ * Enqueue the previously attached DMABUF to the transfer queue.
+ * The argument is a structure that packs the DMABUF's file descriptor,
+ * the size in bytes to transfer (which should generally correspond to
+ * the size of the DMABUF), and a 'flags' field which is unused
+ * for now. Returns zero on success, and a negative errno value on
+ * error.
+ */
+#define FUNCTIONFS_DMABUF_TRANSFER _IOW('g', 133, \
+ struct usb_ffs_dmabuf_transfer_req)
#endif /* _UAPI__LINUX_FUNCTIONFS_H__ */
--
GitLab
From d2f4831eafbaba63dc79c4f0512f11822b24c3e7 Mon Sep 17 00:00:00 2001
From: Paul Cercueil <paul@crapouillou.net>
Date: Tue, 30 Jan 2024 13:23:40 +0100
Subject: [PATCH 0438/2686] Documentation: usb: Document FunctionFS DMABUF API
Add documentation for the three ioctls used to attach or detach
externally-created DMABUFs, and to request transfers from/to previously
attached DMABUFs.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20240130122340.54813-5-paul@crapouillou.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/usb/functionfs.rst | 36 ++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/Documentation/usb/functionfs.rst b/Documentation/usb/functionfs.rst
index a3054bea38f3c..d05a775bc45bc 100644
--- a/Documentation/usb/functionfs.rst
+++ b/Documentation/usb/functionfs.rst
@@ -2,6 +2,9 @@
How FunctionFS works
====================
+Overview
+========
+
From kernel point of view it is just a composite function with some
unique behaviour. It may be added to an USB configuration only after
the user space driver has registered by writing descriptors and
@@ -66,3 +69,36 @@ have been written to their ep0's.
Conversely, the gadget is unregistered after the first USB function
closes its endpoints.
+
+DMABUF interface
+================
+
+FunctionFS additionally supports a DMABUF based interface, where the
+userspace can attach DMABUF objects (externally created) to an endpoint,
+and subsequently use them for data transfers.
+
+A userspace application can then use this interface to share DMABUF
+objects between several interfaces, allowing it to transfer data in a
+zero-copy fashion, for instance between IIO and the USB stack.
+
+As part of this interface, three new IOCTLs have been added. These three
+IOCTLs have to be performed on a data endpoint (ie. not ep0). They are:
+
+ ``FUNCTIONFS_DMABUF_ATTACH(int)``
+ Attach the DMABUF object, identified by its file descriptor, to the
+ data endpoint. Returns zero on success, and a negative errno value
+ on error.
+
+ ``FUNCTIONFS_DMABUF_DETACH(int)``
+ Detach the given DMABUF object, identified by its file descriptor,
+ from the data endpoint. Returns zero on success, and a negative
+ errno value on error. Note that closing the endpoint's file
+ descriptor will automatically detach all attached DMABUFs.
+
+ ``FUNCTIONFS_DMABUF_TRANSFER(struct usb_ffs_dmabuf_transfer_req *)``
+ Enqueue the previously attached DMABUF to the transfer queue.
+ The argument is a structure that packs the DMABUF's file descriptor,
+ the size in bytes to transfer (which should generally correspond to
+ the size of the DMABUF), and a 'flags' field which is unused
+ for now. Returns zero on success, and a negative errno value on
+ error.
--
GitLab
From 136a73da8e3d771567a0a78e0af867d3f9cf63eb Mon Sep 17 00:00:00 2001
From: Guan-Yu Lin <guanyulin@google.com>
Date: Fri, 2 Feb 2024 03:00:42 +0000
Subject: [PATCH 0439/2686] usb: sysfs: use kstrtobool() if possible
Replace the self-rolled implementations with kstrtobool(). This reduces
the maintenance efforts in the future.
Signed-off-by: Guan-Yu Lin <guanyulin@google.com>
Link: https://lore.kernel.org/r/20240202030301.2396374-1-guanyulin@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/sysfs.c | 22 ++++++++++++----------
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 5d21718afb05c..e67826ec053e1 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -273,9 +273,10 @@ static ssize_t avoid_reset_quirk_store(struct device *dev,
const char *buf, size_t count)
{
struct usb_device *udev = to_usb_device(dev);
- int val, rc;
+ bool val;
+ int rc;
- if (sscanf(buf, "%d", &val) != 1 || val < 0 || val > 1)
+ if (kstrtobool(buf, &val) != 0)
return -EINVAL;
rc = usb_lock_device_interruptible(udev);
if (rc < 0)
@@ -322,13 +323,14 @@ static ssize_t persist_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct usb_device *udev = to_usb_device(dev);
- int value, rc;
+ bool value;
+ int rc;
/* Hubs are always enabled for USB_PERSIST */
if (udev->descriptor.bDeviceClass == USB_CLASS_HUB)
return -EPERM;
- if (sscanf(buf, "%d", &value) != 1)
+ if (kstrtobool(buf, &value) != 0)
return -EINVAL;
rc = usb_lock_device_interruptible(udev);
@@ -739,14 +741,14 @@ static ssize_t authorized_store(struct device *dev,
{
ssize_t result;
struct usb_device *usb_dev = to_usb_device(dev);
- unsigned val;
- result = sscanf(buf, "%u\n", &val);
- if (result != 1)
+ bool val;
+
+ if (kstrtobool(buf, &val) != 0)
result = -EINVAL;
- else if (val == 0)
- result = usb_deauthorize_device(usb_dev);
- else
+ else if (val)
result = usb_authorize_device(usb_dev);
+ else
+ result = usb_deauthorize_device(usb_dev);
return result < 0 ? result : size;
}
static DEVICE_ATTR_IGNORE_LOCKDEP(authorized, S_IRUGO | S_IWUSR,
--
GitLab
From ae28fd06b3a830aae34f1a3f3d7fbc2a5b59043a Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Wed, 7 Feb 2024 11:22:08 +0000
Subject: [PATCH 0440/2686] usb: storage: freecom: Remove redundant assignment
to variable offset
The variable offset is being assigned a value that is not being read
afterwards, the assignment is redundant and can be removed.
Cleans up clang scan warning:
drivers/usb/storage/freecom.c:537:2: warning: Value stored to 'offset'
is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240207112208.2443237-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/storage/freecom.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/usb/storage/freecom.c b/drivers/usb/storage/freecom.c
index 2b098b55c4cbb..c3ce51c2dabde 100644
--- a/drivers/usb/storage/freecom.c
+++ b/drivers/usb/storage/freecom.c
@@ -534,7 +534,6 @@ static void pdump(struct us_data *us, void *ibuffer, int length)
}
line[offset] = 0;
usb_stor_dbg(us, "%s\n", line);
- offset = 0;
}
#endif
--
GitLab
From c89d32cabcd38d776331431066cf4da3fb120d54 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Wed, 7 Feb 2024 11:37:30 +0000
Subject: [PATCH 0441/2686] usb: image: mdc800: Remove redundant assignment to
variable retval
The variable retval is being assigned a value that is not being read
and is being re-assigned a new value a couple of statements later.
The assignment is redundant and can be removed.
Cleans up clang scan warning:
drivers/usb/image/mdc800.c:634:2: warning: Value stored to 'retval'
is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240207113730.2444296-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/image/mdc800.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c
index 67f098579fb45..7b7e1554ea20e 100644
--- a/drivers/usb/image/mdc800.c
+++ b/drivers/usb/image/mdc800.c
@@ -631,7 +631,6 @@ static int mdc800_device_open (struct inode* inode, struct file *file)
mdc800->camera_busy=0;
mdc800->camera_request_ready=0;
- retval=0;
mdc800->irq_urb->dev = mdc800->dev;
retval = usb_submit_urb (mdc800->irq_urb, GFP_KERNEL);
if (retval) {
--
GitLab
From ba9d3cd71f153f87d8f0610d1e7cccc50b39e234 Mon Sep 17 00:00:00 2001
From: Stefan Eichenberger <stefan.eichenberger@toradex.com>
Date: Tue, 30 Jan 2024 08:35:05 +0100
Subject: [PATCH 0442/2686] dt-bindings: usb: microchip,usb5744: Remove
peer-hub as requirement
The peer-hub is used to model the relationship between the USB 2 and USB
3 hub. However, it is possible to only connect USB 2 without having
USB 3. Therefore, the peer-hub property should not be marked as required.
Signed-off-by: Stefan Eichenberger <stefan.eichenberger@toradex.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20240130073505.8916-1-eichest@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/usb/microchip,usb5744.yaml | 2 --
1 file changed, 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/usb/microchip,usb5744.yaml b/Documentation/devicetree/bindings/usb/microchip,usb5744.yaml
index 6d4cfd943f584..14dbb70b08fad 100644
--- a/Documentation/devicetree/bindings/usb/microchip,usb5744.yaml
+++ b/Documentation/devicetree/bindings/usb/microchip,usb5744.yaml
@@ -71,8 +71,6 @@ allOf:
i2c-bus: false
else:
$ref: /schemas/usb/usb-device.yaml
- required:
- - peer-hub
additionalProperties: false
--
GitLab
From 503d6ed00ff744ae5c55d84e30a6c622c445fff6 Mon Sep 17 00:00:00 2001
From: Roger Quadros <rogerq@kernel.org>
Date: Wed, 14 Feb 2024 11:46:48 +0200
Subject: [PATCH 0443/2686] dt-bindings: usb/ti,am62-usb.yaml: Add PHY2
register space
Add PHY2 register space to DT binding documentation.
We use minItems: 1 as DT update will come later and we don't
want warnings for existing DTs.
So far this register space was not required but due to the
newly identified Errata i2409 [1] we need to poke this
register space.
[1] https://www.ti.com/lit/er/sprz487d/sprz487d.pdf
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240214-for-v6-9-am62-usb-errata-3-0-v3-4-147ec5eae18c@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/usb/ti,am62-usb.yaml | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml b/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
index fec5651f56029..f6e6d084d1c5a 100644
--- a/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
+++ b/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
@@ -14,7 +14,10 @@ properties:
const: ti,am62-usb
reg:
- maxItems: 1
+ minItems: 1
+ items:
+ - description: USB CFG register space
+ - description: USB PHY2 register space
ranges: true
@@ -82,7 +85,8 @@ examples:
usbss1: usb@f910000 {
compatible = "ti,am62-usb";
- reg = <0x00 0x0f910000 0x00 0x800>;
+ reg = <0x00 0x0f910000 0x00 0x800>,
+ <0x00 0x0f918000 0x00 0x400>;
clocks = <&k3_clks 162 3>;
clock-names = "ref";
ti,syscon-phy-pll-refclk = <&wkup_conf 0x4018>;
--
GitLab
From 9a270ec7bfb0b928ff7c11a4b1f8a026cd20e6b4 Mon Sep 17 00:00:00 2001
From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Date: Tue, 13 Feb 2024 15:00:17 +0200
Subject: [PATCH 0444/2686] usb: roles: Link the switch to its connector
This is probable useful information to have in user space in
general, but it's primarily needed for the xHCI DbC (Debug
Capability). When xHCI DbC is being used, the USB port needs
to be muxed to the xHCI even in device role. In xHCI DbC mode,
the xHCI is the USB device controller.
Tested-by: Uday Bhat <uday.m.bhat@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20240213130018.3029991-2-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../ABI/testing/sysfs-class-usb_role | 6 +++
drivers/usb/roles/class.c | 40 ++++++++++++++++++-
2 files changed, 44 insertions(+), 2 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-class-usb_role b/Documentation/ABI/testing/sysfs-class-usb_role
index 3b810a425a52c..9fab3f06679e2 100644
--- a/Documentation/ABI/testing/sysfs-class-usb_role
+++ b/Documentation/ABI/testing/sysfs-class-usb_role
@@ -19,3 +19,9 @@ Description:
- none
- host
- device
+
+What: /sys/class/usb_role/<switch>/connector
+Date: Feb 2024
+Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
+Description:
+ Optional symlink to the USB Type-C connector.
diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c
index ae41578bd0149..4ad03c93c17f1 100644
--- a/drivers/usb/roles/class.c
+++ b/drivers/usb/roles/class.c
@@ -7,6 +7,7 @@
* Hans de Goede <hdegoede@redhat.com>
*/
+#include <linux/component.h>
#include <linux/usb/role.h>
#include <linux/property.h>
#include <linux/device.h>
@@ -34,6 +35,32 @@ struct usb_role_switch {
#define to_role_switch(d) container_of(d, struct usb_role_switch, dev)
+static int connector_bind(struct device *dev, struct device *connector, void *data)
+{
+ int ret;
+
+ ret = sysfs_create_link(&dev->kobj, &connector->kobj, "connector");
+ if (ret)
+ return ret;
+
+ ret = sysfs_create_link(&connector->kobj, &dev->kobj, "usb-role-switch");
+ if (ret)
+ sysfs_remove_link(&dev->kobj, "connector");
+
+ return ret;
+}
+
+static void connector_unbind(struct device *dev, struct device *connector, void *data)
+{
+ sysfs_remove_link(&connector->kobj, "usb-role-switch");
+ sysfs_remove_link(&dev->kobj, "connector");
+}
+
+static const struct component_ops connector_ops = {
+ .bind = connector_bind,
+ .unbind = connector_unbind,
+};
+
/**
* usb_role_switch_set_role - Set USB role for a switch
* @sw: USB role switch
@@ -352,6 +379,12 @@ usb_role_switch_register(struct device *parent,
return ERR_PTR(ret);
}
+ if (dev_fwnode(&sw->dev)) {
+ ret = component_add(&sw->dev, &connector_ops);
+ if (ret)
+ dev_warn(&sw->dev, "failed to add component\n");
+ }
+
/* TODO: Symlinks for the host port and the device controller. */
return sw;
@@ -366,8 +399,11 @@ EXPORT_SYMBOL_GPL(usb_role_switch_register);
*/
void usb_role_switch_unregister(struct usb_role_switch *sw)
{
- if (!IS_ERR_OR_NULL(sw))
- device_unregister(&sw->dev);
+ if (IS_ERR_OR_NULL(sw))
+ return;
+ if (dev_fwnode(&sw->dev))
+ component_del(&sw->dev, &connector_ops);
+ device_unregister(&sw->dev);
}
EXPORT_SYMBOL_GPL(usb_role_switch_unregister);
--
GitLab
From 56403220577b95276b8080e8480adc7e1f9d43ec Mon Sep 17 00:00:00 2001
From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Date: Tue, 13 Feb 2024 15:00:18 +0200
Subject: [PATCH 0445/2686] platform/chrome: cros_ec_typec: Make sure the USB
role switch has PLD
The USB role switch does not always have the _PLD (Physical
Location of Device) in ACPI tables. If it's missing,
assigning the PLD hash of the port to the switch. That
should guarantee that the USB Type-C port mapping code is
always able to find the connection between the two (the port
and the switch).
Tested-by: Uday Bhat <uday.m.bhat@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240213130018.3029991-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/platform/chrome/cros_ec_typec.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index 2b2f14a1b7119..4d305876ec08f 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -24,6 +24,23 @@
#define DP_PORT_VDO (DP_CONF_SET_PIN_ASSIGN(BIT(DP_PIN_ASSIGN_C) | BIT(DP_PIN_ASSIGN_D)) | \
DP_CAP_DFP_D | DP_CAP_RECEPTACLE)
+static void cros_typec_role_switch_quirk(struct fwnode_handle *fwnode)
+{
+#ifdef CONFIG_ACPI
+ struct fwnode_handle *switch_fwnode;
+
+ /* Supply the USB role switch with the correct pld_crc if it's missing. */
+ switch_fwnode = fwnode_find_reference(fwnode, "usb-role-switch", 0);
+ if (!IS_ERR_OR_NULL(switch_fwnode)) {
+ struct acpi_device *adev = to_acpi_device_node(switch_fwnode);
+
+ if (adev && !adev->pld_crc)
+ adev->pld_crc = to_acpi_device_node(fwnode)->pld_crc;
+ fwnode_handle_put(switch_fwnode);
+ }
+#endif
+}
+
static int cros_typec_parse_port_props(struct typec_capability *cap,
struct fwnode_handle *fwnode,
struct device *dev)
@@ -66,6 +83,8 @@ static int cros_typec_parse_port_props(struct typec_capability *cap,
cap->prefer_role = ret;
}
+ cros_typec_role_switch_quirk(fwnode);
+
cap->fwnode = fwnode;
return 0;
--
GitLab
From ed6cbac8ba2dd01aa12283b19243da8b66396f86 Mon Sep 17 00:00:00 2001
From: Michael Grzeschik <m.grzeschik@pengutronix.de>
Date: Wed, 14 Feb 2024 00:28:00 +0100
Subject: [PATCH 0446/2686] usb: gadget: uvc: drop unnecessary check for always
set req
The pump function is running in an while(1) loop. The only case this
loop will be escaped is the two breaks. In both cases the req is valid.
Therefor the check for an not set req can be dropped and setting the req
to NULL does also has never any effect.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20240214-uvc-gadget-cleanup-v1-1-de6d78780459@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/uvc_video.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index dd3241fc6939d..b17c61c932652 100644
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -623,14 +623,7 @@ static void uvcg_video_pump(struct work_struct *work)
uvcg_queue_cancel(queue, 0);
break;
}
-
- /* The request is owned by the endpoint / ready list. */
- req = NULL;
}
-
- if (!req)
- return;
-
spin_lock_irqsave(&video->req_lock, flags);
if (video->is_enabled)
list_add_tail(&req->list, &video->req_free);
--
GitLab
From 5e7ea65daf13a95a6cc63d1377e4c500e4e1340f Mon Sep 17 00:00:00 2001
From: Michael Grzeschik <m.grzeschik@pengutronix.de>
Date: Wed, 14 Feb 2024 00:28:01 +0100
Subject: [PATCH 0447/2686] usb: gadget: uvc: refactor the check for a valid
buffer in the pump worker
By toggling the condition check for a valid buffer, the else path
can be completely avoided.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20240214-uvc-gadget-cleanup-v1-2-de6d78780459@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/uvc_video.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index b17c61c932652..b4f3b3c784218 100644
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -594,10 +594,7 @@ static void uvcg_video_pump(struct work_struct *work)
*/
spin_lock_irqsave(&queue->irqlock, flags);
buf = uvcg_queue_head(queue);
-
- if (buf != NULL) {
- video->encode(req, video, buf);
- } else {
+ if (!buf) {
/*
* Either the queue has been disconnected or no video buffer
* available for bulk transfer. Either way, stop processing
@@ -607,6 +604,8 @@ static void uvcg_video_pump(struct work_struct *work)
break;
}
+ video->encode(req, video, buf);
+
spin_unlock_irqrestore(&queue->irqlock, flags);
spin_lock_irqsave(&video->req_lock, flags);
--
GitLab
From 58da4e57cb2980c9405575c8de937ebe4ed02202 Mon Sep 17 00:00:00 2001
From: Michael Grzeschik <m.grzeschik@pengutronix.de>
Date: Wed, 14 Feb 2024 00:28:02 +0100
Subject: [PATCH 0448/2686] usb: gadget: uvc: rework complete handler
We refactor the complete handler since the return path with the
locking are really difficult to follow. Just simplify the function by
switching the logic return it on an disabled endpoint early. This way
the second level of indentation can be removed.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20240214-uvc-gadget-cleanup-v1-3-de6d78780459@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/uvc_video.c | 95 +++++++++++++------------
1 file changed, 48 insertions(+), 47 deletions(-)
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index b4f3b3c784218..ff7c1fa5c48f3 100644
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -370,6 +370,7 @@ uvc_video_complete(struct usb_ep *ep, struct usb_request *req)
struct uvc_video *video = ureq->video;
struct uvc_video_queue *queue = &video->queue;
struct uvc_buffer *last_buf;
+ struct usb_request *to_queue = req;
unsigned long flags;
bool is_bulk = video->max_payload_size;
int ret = 0;
@@ -425,59 +426,59 @@ uvc_video_complete(struct usb_ep *ep, struct usb_request *req)
* we're still streaming before queueing the usb_request
* back to req_free
*/
- if (video->is_enabled) {
+ if (!video->is_enabled) {
+ uvc_video_free_request(ureq, ep);
+ spin_unlock_irqrestore(&video->req_lock, flags);
+ uvcg_queue_cancel(queue, 0);
+
+ return;
+ }
+
+ /*
+ * Here we check whether any request is available in the ready
+ * list. If it is, queue it to the ep and add the current
+ * usb_request to the req_free list - for video_pump to fill in.
+ * Otherwise, just use the current usb_request to queue a 0
+ * length request to the ep. Since we always add to the req_free
+ * list if we dequeue from the ready list, there will never
+ * be a situation where the req_free list is completely out of
+ * requests and cannot recover.
+ */
+ to_queue->length = 0;
+ if (!list_empty(&video->req_ready)) {
+ to_queue = list_first_entry(&video->req_ready,
+ struct usb_request, list);
+ list_del(&to_queue->list);
+ list_add_tail(&req->list, &video->req_free);
/*
- * Here we check whether any request is available in the ready
- * list. If it is, queue it to the ep and add the current
- * usb_request to the req_free list - for video_pump to fill in.
- * Otherwise, just use the current usb_request to queue a 0
- * length request to the ep. Since we always add to the req_free
- * list if we dequeue from the ready list, there will never
- * be a situation where the req_free list is completely out of
- * requests and cannot recover.
+ * Queue work to the wq as well since it is possible that a
+ * buffer may not have been completely encoded with the set of
+ * in-flight usb requests for whih the complete callbacks are
+ * firing.
+ * In that case, if we do not queue work to the worker thread,
+ * the buffer will never be marked as complete - and therefore
+ * not be returned to userpsace. As a result,
+ * dequeue -> queue -> dequeue flow of uvc buffers will not
+ * happen.
*/
- struct usb_request *to_queue = req;
-
- to_queue->length = 0;
- if (!list_empty(&video->req_ready)) {
- to_queue = list_first_entry(&video->req_ready,
- struct usb_request, list);
- list_del(&to_queue->list);
- list_add_tail(&req->list, &video->req_free);
- /*
- * Queue work to the wq as well since it is possible that a
- * buffer may not have been completely encoded with the set of
- * in-flight usb requests for whih the complete callbacks are
- * firing.
- * In that case, if we do not queue work to the worker thread,
- * the buffer will never be marked as complete - and therefore
- * not be returned to userpsace. As a result,
- * dequeue -> queue -> dequeue flow of uvc buffers will not
- * happen.
- */
- queue_work(video->async_wq, &video->pump);
- }
+ queue_work(video->async_wq, &video->pump);
+ }
+ /*
+ * Queue to the endpoint. The actual queueing to ep will
+ * only happen on one thread - the async_wq for bulk endpoints
+ * and this thread for isoc endpoints.
+ */
+ ret = uvcg_video_usb_req_queue(video, to_queue, !is_bulk);
+ if (ret < 0) {
/*
- * Queue to the endpoint. The actual queueing to ep will
- * only happen on one thread - the async_wq for bulk endpoints
- * and this thread for isoc endpoints.
+ * Endpoint error, but the stream is still enabled.
+ * Put request back in req_free for it to be cleaned
+ * up later.
*/
- ret = uvcg_video_usb_req_queue(video, to_queue, !is_bulk);
- if (ret < 0) {
- /*
- * Endpoint error, but the stream is still enabled.
- * Put request back in req_free for it to be cleaned
- * up later.
- */
- list_add_tail(&to_queue->list, &video->req_free);
- }
- } else {
- uvc_video_free_request(ureq, ep);
- ret = 0;
+ list_add_tail(&to_queue->list, &video->req_free);
}
+
spin_unlock_irqrestore(&video->req_lock, flags);
- if (ret < 0)
- uvcg_queue_cancel(queue, 0);
}
static int
--
GitLab
From ab9ffa51d5a2f3145839ca59354b3f74d18f7e85 Mon Sep 17 00:00:00 2001
From: Michael Grzeschik <m.grzeschik@pengutronix.de>
Date: Wed, 14 Feb 2024 00:37:54 +0100
Subject: [PATCH 0449/2686] usb: gadget: uvc: dont drop frames if zero length
packages are late
If the request that was missed was zero bytes long, it
is likely that the overall transferred frame was not affected.
So don't flag the frame incomplete in that case.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20240214-uvc-error-tag-v1-1-37659a3877fe@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/uvc_video.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index ff7c1fa5c48f3..d677d7daa1878 100644
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -398,7 +398,8 @@ uvc_video_complete(struct usb_ep *ep, struct usb_request *req)
case -EXDEV:
uvcg_dbg(&video->uvc->func, "VS request missed xfer.\n");
- queue->flags |= UVC_QUEUE_DROP_INCOMPLETE;
+ if (req->length != 0)
+ queue->flags |= UVC_QUEUE_DROP_INCOMPLETE;
break;
case -ESHUTDOWN: /* disconnect from host. */
--
GitLab
From 2a3b7af120477d0571b815ccb8600cafd5ebf02f Mon Sep 17 00:00:00 2001
From: Michael Grzeschik <m.grzeschik@pengutronix.de>
Date: Wed, 14 Feb 2024 00:37:55 +0100
Subject: [PATCH 0450/2686] usb: gadget: uvc: mark incomplete frames with
UVC_STREAM_ERR
If an frame was transmitted incomplete to the host, we set the
UVC_STREAM_ERR bit in the header for the last request that is going
to be queued. This way the host will know that it should drop the
frame instead of trying to display the corrupted content.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20240214-uvc-error-tag-v1-2-37659a3877fe@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/uvc_video.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index d677d7daa1878..d41f5f31dadd5 100644
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -35,6 +35,9 @@ uvc_video_encode_header(struct uvc_video *video, struct uvc_buffer *buf,
data[1] = UVC_STREAM_EOH | video->fid;
+ if (video->queue.flags & UVC_QUEUE_DROP_INCOMPLETE)
+ data[1] |= UVC_STREAM_ERR;
+
if (video->queue.buf_used == 0 && ts.tv_sec) {
/* dwClockFrequency is 48 MHz */
u32 pts = ((u64)ts.tv_sec * USEC_PER_SEC + ts.tv_nsec / NSEC_PER_USEC) * 48;
--
GitLab
From 680ce1d3a3dc63234406231c1f7c40e4f8ed0878 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sat, 20 Jan 2024 21:50:05 -0800
Subject: [PATCH 0451/2686] iio: dummy_evgen: remove Excess kernel-doc comments
Drop kernel-doc comments for struct fields that were removed to
prevent kernel-doc warnings:
iio_dummy_evgen.c:43: warning: Excess struct member 'irq_sim' description in 'iio_dummy_eventgen'
iio_dummy_evgen.c:43: warning: Excess struct member 'base' description in 'iio_dummy_eventgen'
Fixes: 337cbeb2c13e ("genirq/irq_sim: Simplify the API")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20240121055005.20042-1-rdunlap@infradead.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/dummy/iio_dummy_evgen.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/iio/dummy/iio_dummy_evgen.c b/drivers/iio/dummy/iio_dummy_evgen.c
index 5a0072727ba4b..16d3f144dda04 100644
--- a/drivers/iio/dummy/iio_dummy_evgen.c
+++ b/drivers/iio/dummy/iio_dummy_evgen.c
@@ -31,8 +31,6 @@
* @regs: irq regs we are faking
* @lock: protect the evgen state
* @inuse: mask of which irqs are connected
- * @irq_sim: interrupt simulator
- * @base: base of irq range
* @irq_sim_domain: irq simulator domain
*/
struct iio_dummy_eventgen {
--
GitLab
From 689c0953b97724d802608f604b19d557277ef05a Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Wed, 17 Jan 2024 14:10:50 +0100
Subject: [PATCH 0452/2686] iio: imu: adis16475: make use of
irq_get_trigger_type()
There's no need to call both irq_get_irq_data() and
irqd_get_trigger_type() as we already have an helper for that. This
allows for code simplification.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240117-adis-improv-v1-2-7f90e9fad200@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/imu/adis16475.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/drivers/iio/imu/adis16475.c b/drivers/iio/imu/adis16475.c
index 64be656f0b805..01f55cc902faa 100644
--- a/drivers/iio/imu/adis16475.c
+++ b/drivers/iio/imu/adis16475.c
@@ -1363,22 +1363,16 @@ static int adis16475_config_sync_mode(struct adis16475 *st)
static int adis16475_config_irq_pin(struct adis16475 *st)
{
int ret;
- struct irq_data *desc;
u32 irq_type;
u16 val = 0;
u8 polarity;
struct spi_device *spi = st->adis.spi;
- desc = irq_get_irq_data(spi->irq);
- if (!desc) {
- dev_err(&spi->dev, "Could not find IRQ %d\n", spi->irq);
- return -EINVAL;
- }
/*
* It is possible to configure the data ready polarity. Furthermore, we
* need to update the adis struct if we want data ready as active low.
*/
- irq_type = irqd_get_trigger_type(desc);
+ irq_type = irq_get_trigger_type(spi->irq);
if (irq_type == IRQ_TYPE_EDGE_RISING) {
polarity = 1;
st->adis.irq_flag = IRQF_TRIGGER_RISING;
--
GitLab
From 32f28e19ff27a1292351f579f44086dfea82c131 Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Wed, 17 Jan 2024 14:10:51 +0100
Subject: [PATCH 0453/2686] iio: imu: adis16480: make use of
irq_get_trigger_type()
There's no need to call both irq_get_irq_data() and
irqd_get_trigger_type() as we already have an helper for that. This
allows for code simplification.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240117-adis-improv-v1-3-7f90e9fad200@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/imu/adis16480.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c
index fe520194a8371..b40a55bba30c1 100644
--- a/drivers/iio/imu/adis16480.c
+++ b/drivers/iio/imu/adis16480.c
@@ -1246,18 +1246,11 @@ static int adis16480_config_irq_pin(struct adis16480 *st)
{
struct device *dev = &st->adis.spi->dev;
struct fwnode_handle *fwnode = dev_fwnode(dev);
- struct irq_data *desc;
enum adis16480_int_pin pin;
unsigned int irq_type;
uint16_t val;
int i, irq = 0;
- desc = irq_get_irq_data(st->adis.spi->irq);
- if (!desc) {
- dev_err(dev, "Could not find IRQ %d\n", irq);
- return -EINVAL;
- }
-
/* Disable data ready since the default after reset is on */
val = ADIS16480_DRDY_EN(0);
@@ -1285,7 +1278,7 @@ static int adis16480_config_irq_pin(struct adis16480 *st)
* configured as positive or negative, corresponding to
* IRQ_TYPE_EDGE_RISING or IRQ_TYPE_EDGE_FALLING respectively.
*/
- irq_type = irqd_get_trigger_type(desc);
+ irq_type = irq_get_trigger_type(st->adis.spi->irq);
if (irq_type == IRQ_TYPE_EDGE_RISING) { /* Default */
val |= ADIS16480_DRDY_POL(1);
} else if (irq_type == IRQ_TYPE_EDGE_FALLING) {
--
GitLab
From 1ca53b5df113bd008f5fd7ecdf108872f1cf7508 Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Wed, 17 Jan 2024 13:41:04 +0100
Subject: [PATCH 0454/2686] iio: adc: ad_sigma_delta: allow overwriting the IRQ
flags
Make sure we can specify the IRQ trigger type from firmware and drivers
won't ignore it. In fact, this how it should be done but since someone
might be already depending on the driver to hardcode the trigger type
(and not specifying it in firmware), let's do it like this so there's
no possible breakage.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240117-dev_sigma_delta_no_irq_flags-v1-2-db39261592cf@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/ad_sigma_delta.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c
index 7e21928707437..fbba3f4a11898 100644
--- a/drivers/iio/adc/ad_sigma_delta.c
+++ b/drivers/iio/adc/ad_sigma_delta.c
@@ -568,6 +568,7 @@ EXPORT_SYMBOL_NS_GPL(ad_sd_validate_trigger, IIO_AD_SIGMA_DELTA);
static int devm_ad_sd_probe_trigger(struct device *dev, struct iio_dev *indio_dev)
{
struct ad_sigma_delta *sigma_delta = iio_device_get_drvdata(indio_dev);
+ unsigned long irq_flags = irq_get_trigger_type(sigma_delta->spi->irq);
int ret;
if (dev != &sigma_delta->spi->dev) {
@@ -588,9 +589,13 @@ static int devm_ad_sd_probe_trigger(struct device *dev, struct iio_dev *indio_de
/* the IRQ core clears IRQ_DISABLE_UNLAZY flag when freeing an IRQ */
irq_set_status_flags(sigma_delta->spi->irq, IRQ_DISABLE_UNLAZY);
+ /* Allow overwriting the flags from firmware */
+ if (!irq_flags)
+ irq_flags = sigma_delta->info->irq_flags;
+
ret = devm_request_irq(dev, sigma_delta->spi->irq,
ad_sd_data_rdy_trig_poll,
- sigma_delta->info->irq_flags | IRQF_NO_AUTOEN,
+ irq_flags | IRQF_NO_AUTOEN,
indio_dev->name,
sigma_delta);
if (ret)
--
GitLab
From 44b90383453c6664b119ec985e70f87c90e050f1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A5rten=20Lindahl?= <marten.lindahl@axis.com>
Date: Mon, 15 Jan 2024 12:44:36 +0100
Subject: [PATCH 0455/2686] iio: light: vcnl4000: Set ps high definition for
4040/4200
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The vcnl4040/vcnl4200 proximity sensor defaults to 12 bit data
resolution, but the chip also supports 16 bit data resolution, which is
called proximity high definition (PS_HD).
Make the vcnl4040/vcnl4200 proximity sensor use the high definition for
all data readings. Please note that in order to preserve the 12 bit
integer part of the in_proximity_raw output, the format is changed from
integer to fixed point.
Signed-off-by: MÃ¥rten Lindahl <marten.lindahl@axis.com>
Link: https://lore.kernel.org/r/20231221-vcnl4000-ps-hd-v3-1-6dcc889372be@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/vcnl4000.c | 36 +++++++++++++++++++++++++++++++++++-
1 file changed, 35 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c
index fdf763a04b0bf..4e3641ff2ed44 100644
--- a/drivers/iio/light/vcnl4000.c
+++ b/drivers/iio/light/vcnl4000.c
@@ -90,6 +90,7 @@
#define VCNL4040_PS_CONF1_PS_SHUTDOWN BIT(0)
#define VCNL4040_PS_CONF2_PS_IT GENMASK(3, 1) /* Proximity integration time */
#define VCNL4040_CONF1_PS_PERS GENMASK(5, 4) /* Proximity interrupt persistence setting */
+#define VCNL4040_PS_CONF2_PS_HD BIT(11) /* Proximity high definition */
#define VCNL4040_PS_CONF2_PS_INT GENMASK(9, 8) /* Proximity interrupt mode */
#define VCNL4040_PS_CONF3_MPS GENMASK(6, 5) /* Proximity multi pulse number */
#define VCNL4040_PS_MS_LED_I GENMASK(10, 8) /* Proximity current */
@@ -114,6 +115,13 @@
#define VCNL4010_INT_DRDY \
(BIT(VCNL4010_INT_PROXIMITY) | BIT(VCNL4010_INT_ALS))
+#define VCNL4040_CONF3_PS_MPS_16BITS 3 /* 8 multi pulses */
+#define VCNL4040_CONF3_PS_LED_I_16BITS 3 /* 120 mA */
+
+#define VCNL4040_CONF3_PS_SAMPLE_16BITS \
+ (FIELD_PREP(VCNL4040_PS_CONF3_MPS, VCNL4040_CONF3_PS_MPS_16BITS) | \
+ FIELD_PREP(VCNL4040_PS_MS_LED_I, VCNL4040_CONF3_PS_LED_I_16BITS))
+
static const int vcnl4010_prox_sampling_frequency[][2] = {
{1, 950000},
{3, 906250},
@@ -195,6 +203,7 @@ struct vcnl4000_data {
enum vcnl4000_device_ids id;
int rev;
int al_scale;
+ int ps_scale;
u8 ps_int; /* proximity interrupt mode */
u8 als_int; /* ambient light interrupt mode*/
const struct vcnl4000_chip_spec *chip_spec;
@@ -345,6 +354,7 @@ static int vcnl4200_set_power_state(struct vcnl4000_data *data, bool on)
static int vcnl4200_init(struct vcnl4000_data *data)
{
int ret, id;
+ u16 regval;
ret = i2c_smbus_read_word_data(data->client, VCNL4200_DEV_ID);
if (ret < 0)
@@ -386,9 +396,32 @@ static int vcnl4200_init(struct vcnl4000_data *data)
break;
}
data->al_scale = data->chip_spec->ulux_step;
+ data->ps_scale = 16;
mutex_init(&data->vcnl4200_al.lock);
mutex_init(&data->vcnl4200_ps.lock);
+ /* Use 16 bits proximity sensor readings */
+ ret = i2c_smbus_read_word_data(data->client, VCNL4200_PS_CONF1);
+ if (ret < 0)
+ return ret;
+
+ regval = ret | VCNL4040_PS_CONF2_PS_HD;
+ ret = i2c_smbus_write_word_data(data->client, VCNL4200_PS_CONF1,
+ regval);
+ if (ret < 0)
+ return ret;
+
+ /* Align proximity sensor sample rate to 16 bits data width */
+ ret = i2c_smbus_read_word_data(data->client, VCNL4200_PS_CONF3);
+ if (ret < 0)
+ return ret;
+
+ regval = ret | VCNL4040_CONF3_PS_SAMPLE_16BITS;
+ ret = i2c_smbus_write_word_data(data->client, VCNL4200_PS_CONF3,
+ regval);
+ if (ret < 0)
+ return ret;
+
ret = data->chip_spec->set_power_state(data, true);
if (ret < 0)
return ret;
@@ -901,8 +934,9 @@ static int vcnl4000_read_raw(struct iio_dev *indio_dev,
break;
case IIO_PROXIMITY:
ret = data->chip_spec->measure_proximity(data, val);
+ *val2 = data->ps_scale;
if (!ret)
- ret = IIO_VAL_INT;
+ ret = IIO_VAL_FRACTIONAL;
break;
default:
ret = -EINVAL;
--
GitLab
From cf996f039679e6ebb9eefce28afe465482f4fc3a Mon Sep 17 00:00:00 2001
From: Matti Vaittinen <mazziesaccount@gmail.com>
Date: Mon, 15 Jan 2024 16:26:07 +0200
Subject: [PATCH 0456/2686] iio: test: test gain-time-scale helpers
Some light sensors can adjust both the HW-gain and integration time.
There are cases where adjusting the integration time has similar impact
to the scale of the reported values as gain setting has.
IIO users do typically expect to handle scale by a single writable 'scale'
entry. Driver should then adjust the gain/time accordingly.
It however is difficult for a driver to know whether it should change
gain or integration time to meet the requested scale. Usually it is
preferred to have longer integration time which usually improves
accuracy, but there may be use-cases where long measurement times can be
an issue. Thus it can be preferable to allow also changing the
integration time - but mitigate the scale impact by also changing the gain
underneath. Eg, if integration time change doubles the measured values,
the driver can reduce the HW-gain to half.
The theory of the computations of gain-time-scale is simple. However,
some people (undersigned) got that implemented wrong for more than once.
Hence some gain-time-scale helpers were introduced.
Add some simple tests to verify the most hairy functions.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/0f7505b43f91394dc3bb636369489c897b7e01a7.1705328293.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/test/Kconfig | 14 +
drivers/iio/test/Makefile | 1 +
drivers/iio/test/iio-test-gts.c | 513 ++++++++++++++++++++++++++++++++
3 files changed, 528 insertions(+)
create mode 100644 drivers/iio/test/iio-test-gts.c
diff --git a/drivers/iio/test/Kconfig b/drivers/iio/test/Kconfig
index 0b6e4e278a2f6..33cca49c8058a 100644
--- a/drivers/iio/test/Kconfig
+++ b/drivers/iio/test/Kconfig
@@ -4,6 +4,20 @@
#
# Keep in alphabetical order
+config IIO_GTS_KUNIT_TEST
+ tristate "Test IIO formatting functions" if !KUNIT_ALL_TESTS
+ depends on KUNIT
+ select IIO_GTS_HELPER
+ select TEST_KUNIT_DEVICE_HELPERS
+ default KUNIT_ALL_TESTS
+ help
+ build unit tests for the IIO light sensor gain-time-scale helpers.
+
+ For more information on KUnit and unit tests in general, please refer
+ to the KUnit documentation in Documentation/dev-tools/kunit/.
+
+ If unsure, say N. Keep in alphabetical order
+
config IIO_RESCALE_KUNIT_TEST
tristate "Test IIO rescale conversion functions" if !KUNIT_ALL_TESTS
depends on KUNIT && IIO_RESCALE
diff --git a/drivers/iio/test/Makefile b/drivers/iio/test/Makefile
index d76eaf36da820..e9a4cf1ff57f0 100644
--- a/drivers/iio/test/Makefile
+++ b/drivers/iio/test/Makefile
@@ -6,4 +6,5 @@
# Keep in alphabetical order
obj-$(CONFIG_IIO_RESCALE_KUNIT_TEST) += iio-test-rescale.o
obj-$(CONFIG_IIO_FORMAT_KUNIT_TEST) += iio-test-format.o
+obj-$(CONFIG_IIO_GTS_KUNIT_TEST) += iio-test-gts.o
CFLAGS_iio-test-format.o += $(DISABLE_STRUCTLEAK_PLUGIN)
diff --git a/drivers/iio/test/iio-test-gts.c b/drivers/iio/test/iio-test-gts.c
new file mode 100644
index 0000000000000..cf7ab773ea0b1
--- /dev/null
+++ b/drivers/iio/test/iio-test-gts.c
@@ -0,0 +1,513 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Unit tests for IIO light sensor gain-time-scale helpers
+ *
+ * Copyright (c) 2023 Matti Vaittinen <mazziesaccount@gmail.com>
+ */
+
+#include <kunit/device.h>
+#include <kunit/test.h>
+#include <linux/device.h>
+#include <linux/iio/iio-gts-helper.h>
+#include <linux/iio/types.h>
+
+/*
+ * Please, read the "rant" from the top of the lib/test_linear_ranges.c if
+ * you see a line of helper code which is not being tested.
+ *
+ * Then, please look at the line which is not being tested. Is this line
+ * somehow unusually complex? If answer is "no", then chances are that the
+ * "development inertia" caused by adding a test exceeds the benefits.
+ *
+ * If yes, then adding a test is probably a good idea but please stop for a
+ * moment and consider the effort of changing all the tests when code gets
+ * refactored. Eventually it neeeds to be.
+ */
+
+#define TEST_TSEL_50 1
+#define TEST_TSEL_X_MIN TEST_TSEL_50
+#define TEST_TSEL_100 0
+#define TEST_TSEL_200 2
+#define TEST_TSEL_400 4
+#define TEST_TSEL_X_MAX TEST_TSEL_400
+
+#define TEST_GSEL_1 0x00
+#define TEST_GSEL_X_MIN TEST_GSEL_1
+#define TEST_GSEL_4 0x08
+#define TEST_GSEL_16 0x0a
+#define TEST_GSEL_32 0x0b
+#define TEST_GSEL_64 0x0c
+#define TEST_GSEL_256 0x18
+#define TEST_GSEL_512 0x19
+#define TEST_GSEL_1024 0x1a
+#define TEST_GSEL_2048 0x1b
+#define TEST_GSEL_4096 0x1c
+#define TEST_GSEL_X_MAX TEST_GSEL_4096
+
+#define TEST_SCALE_1X 64
+#define TEST_SCALE_MIN_X TEST_SCALE_1X
+#define TEST_SCALE_2X 32
+#define TEST_SCALE_4X 16
+#define TEST_SCALE_8X 8
+#define TEST_SCALE_16X 4
+#define TEST_SCALE_32X 2
+#define TEST_SCALE_64X 1
+
+#define TEST_SCALE_NANO_128X 500000000
+#define TEST_SCALE_NANO_256X 250000000
+#define TEST_SCALE_NANO_512X 125000000
+#define TEST_SCALE_NANO_1024X 62500000
+#define TEST_SCALE_NANO_2048X 31250000
+#define TEST_SCALE_NANO_4096X 15625000
+#define TEST_SCALE_NANO_4096X2 7812500
+#define TEST_SCALE_NANO_4096X4 3906250
+#define TEST_SCALE_NANO_4096X8 1953125
+
+#define TEST_SCALE_NANO_MAX_X TEST_SCALE_NANO_4096X8
+
+/*
+ * Can't have this allocated from stack because the kunit clean-up will
+ * happen only after the test function has already gone
+ */
+static struct iio_gts gts;
+
+static const struct iio_gain_sel_pair gts_test_gains[] = {
+ GAIN_SCALE_GAIN(1, TEST_GSEL_1),
+ GAIN_SCALE_GAIN(4, TEST_GSEL_4),
+ GAIN_SCALE_GAIN(16, TEST_GSEL_16),
+ GAIN_SCALE_GAIN(32, TEST_GSEL_32),
+ GAIN_SCALE_GAIN(64, TEST_GSEL_64),
+ GAIN_SCALE_GAIN(256, TEST_GSEL_256),
+ GAIN_SCALE_GAIN(512, TEST_GSEL_512),
+ GAIN_SCALE_GAIN(1024, TEST_GSEL_1024),
+ GAIN_SCALE_GAIN(2048, TEST_GSEL_2048),
+ GAIN_SCALE_GAIN(4096, TEST_GSEL_4096),
+#define HWGAIN_MAX 4096
+};
+
+static const struct iio_itime_sel_mul gts_test_itimes[] = {
+ GAIN_SCALE_ITIME_US(400 * 1000, TEST_TSEL_400, 8),
+ GAIN_SCALE_ITIME_US(200 * 1000, TEST_TSEL_200, 4),
+ GAIN_SCALE_ITIME_US(100 * 1000, TEST_TSEL_100, 2),
+ GAIN_SCALE_ITIME_US(50 * 1000, TEST_TSEL_50, 1),
+#define TIMEGAIN_MAX 8
+};
+#define TOTAL_GAIN_MAX (HWGAIN_MAX * TIMEGAIN_MAX)
+#define IIO_GTS_TEST_DEV "iio-gts-test-dev"
+
+static struct device *__test_init_iio_gain_scale(struct kunit *test,
+ struct iio_gts *gts, const struct iio_gain_sel_pair *g_table,
+ int num_g, const struct iio_itime_sel_mul *i_table, int num_i)
+{
+ struct device *dev;
+ int ret;
+
+ dev = kunit_device_register(test, IIO_GTS_TEST_DEV);
+
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, dev);
+ if (IS_ERR_OR_NULL(dev))
+ return NULL;
+
+ ret = devm_iio_init_iio_gts(dev, TEST_SCALE_1X, 0, g_table, num_g,
+ i_table, num_i, gts);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ if (ret)
+ return NULL;
+
+ return dev;
+}
+
+#define test_init_iio_gain_scale(test, gts) \
+ __test_init_iio_gain_scale(test, gts, gts_test_gains, \
+ ARRAY_SIZE(gts_test_gains), gts_test_itimes, \
+ ARRAY_SIZE(gts_test_itimes))
+
+static void test_init_iio_gts_invalid(struct kunit *test)
+{
+ struct device *dev;
+ int ret;
+ const struct iio_itime_sel_mul itimes_neg[] = {
+ GAIN_SCALE_ITIME_US(-10, TEST_TSEL_400, 8),
+ GAIN_SCALE_ITIME_US(200 * 1000, TEST_TSEL_200, 4),
+ };
+ const struct iio_gain_sel_pair gains_neg[] = {
+ GAIN_SCALE_GAIN(1, TEST_GSEL_1),
+ GAIN_SCALE_GAIN(2, TEST_GSEL_4),
+ GAIN_SCALE_GAIN(-2, TEST_GSEL_16),
+ };
+ /* 55555 * 38656 = 2147534080 => overflows 32bit int */
+ const struct iio_itime_sel_mul itimes_overflow[] = {
+ GAIN_SCALE_ITIME_US(400 * 1000, TEST_TSEL_400, 55555),
+ GAIN_SCALE_ITIME_US(200 * 1000, TEST_TSEL_200, 4),
+ };
+ const struct iio_gain_sel_pair gains_overflow[] = {
+ GAIN_SCALE_GAIN(1, TEST_GSEL_1),
+ GAIN_SCALE_GAIN(2, TEST_GSEL_4),
+ GAIN_SCALE_GAIN(38656, TEST_GSEL_16),
+ };
+
+ dev = kunit_device_register(test, IIO_GTS_TEST_DEV);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, dev);
+ if (!dev)
+ return;
+
+ /* Ok gains, negative time */
+ ret = devm_iio_init_iio_gts(dev, TEST_SCALE_1X, 0, gts_test_gains,
+ ARRAY_SIZE(gts_test_gains), itimes_neg,
+ ARRAY_SIZE(itimes_neg), >s);
+ KUNIT_EXPECT_EQ(test, -EINVAL, ret);
+
+ /* Ok times, negative gain */
+ ret = devm_iio_init_iio_gts(dev, TEST_SCALE_1X, 0, gains_neg,
+ ARRAY_SIZE(gains_neg), gts_test_itimes,
+ ARRAY_SIZE(gts_test_itimes), >s);
+ KUNIT_EXPECT_EQ(test, -EINVAL, ret);
+
+ /* gain * time overflow int */
+ ret = devm_iio_init_iio_gts(dev, TEST_SCALE_1X, 0, gains_overflow,
+ ARRAY_SIZE(gains_overflow), itimes_overflow,
+ ARRAY_SIZE(itimes_overflow), >s);
+ KUNIT_EXPECT_EQ(test, -EOVERFLOW, ret);
+}
+
+static void test_iio_gts_find_gain_for_scale_using_time(struct kunit *test)
+{
+ struct device *dev;
+ int ret, gain_sel;
+
+ dev = test_init_iio_gain_scale(test, >s);
+ if (!dev)
+ return;
+
+ ret = iio_gts_find_gain_sel_for_scale_using_time(>s, TEST_TSEL_100,
+ TEST_SCALE_8X, 0, &gain_sel);
+ /*
+ * Meas time 100 => gain by time 2x
+ * TEST_SCALE_8X matches total gain 8x
+ * => required HWGAIN 4x
+ */
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_EQ(test, TEST_GSEL_4, gain_sel);
+
+ ret = iio_gts_find_gain_sel_for_scale_using_time(>s, TEST_TSEL_200, 0,
+ TEST_SCALE_NANO_256X, &gain_sel);
+ /*
+ * Meas time 200 => gain by time 4x
+ * TEST_SCALE_256X matches total gain 256x
+ * => required HWGAIN 256/4 => 64x
+ */
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_EQ(test, TEST_GSEL_64, gain_sel);
+
+ /* Min time, Min gain */
+ ret = iio_gts_find_gain_sel_for_scale_using_time(>s, TEST_TSEL_X_MIN,
+ TEST_SCALE_MIN_X, 0, &gain_sel);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_EQ(test, TEST_GSEL_1, gain_sel);
+
+ /* Max time, Max gain */
+ ret = iio_gts_find_gain_sel_for_scale_using_time(>s, TEST_TSEL_X_MAX,
+ 0, TEST_SCALE_NANO_MAX_X, &gain_sel);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_EQ(test, TEST_GSEL_4096, gain_sel);
+
+ ret = iio_gts_find_gain_sel_for_scale_using_time(>s, TEST_TSEL_100, 0,
+ TEST_SCALE_NANO_256X, &gain_sel);
+ /*
+ * Meas time 100 => gain by time 2x
+ * TEST_SCALE_256X matches total gain 256x
+ * => required HWGAIN 256/2 => 128x (not in gain-table - unsupported)
+ */
+ KUNIT_EXPECT_NE(test, 0, ret);
+
+ ret = iio_gts_find_gain_sel_for_scale_using_time(>s, TEST_TSEL_200, 0,
+ TEST_SCALE_NANO_MAX_X, &gain_sel);
+ /* We can't reach the max gain with integration time smaller than MAX */
+ KUNIT_EXPECT_NE(test, 0, ret);
+
+ ret = iio_gts_find_gain_sel_for_scale_using_time(>s, TEST_TSEL_50, 0,
+ TEST_SCALE_NANO_MAX_X, &gain_sel);
+ /* We can't reach the max gain with integration time smaller than MAX */
+ KUNIT_EXPECT_NE(test, 0, ret);
+}
+
+static void test_iio_gts_find_new_gain_sel_by_old_gain_time(struct kunit *test)
+{
+ struct device *dev;
+ int ret, old_gain, new_gain, old_time_sel, new_time_sel;
+
+ dev = test_init_iio_gain_scale(test, >s);
+ if (!dev)
+ return;
+
+ old_gain = 32;
+ old_time_sel = TEST_TSEL_200;
+ new_time_sel = TEST_TSEL_400;
+
+ ret = iio_gts_find_new_gain_sel_by_old_gain_time(>s, old_gain,
+ old_time_sel, new_time_sel, &new_gain);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ /*
+ * Doubling the integration time doubles the total gain - so old
+ * (hw)gain must be divided by two to compensate. => 32 / 2 => 16
+ */
+ KUNIT_EXPECT_EQ(test, 16, new_gain);
+
+ old_gain = 4;
+ old_time_sel = TEST_TSEL_50;
+ new_time_sel = TEST_TSEL_200;
+ ret = iio_gts_find_new_gain_sel_by_old_gain_time(>s, old_gain,
+ old_time_sel, new_time_sel, &new_gain);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ /*
+ * gain by time 1x => 4x - (hw)gain 4x => 1x
+ */
+ KUNIT_EXPECT_EQ(test, 1, new_gain);
+
+ old_gain = 512;
+ old_time_sel = TEST_TSEL_400;
+ new_time_sel = TEST_TSEL_50;
+ ret = iio_gts_find_new_gain_sel_by_old_gain_time(>s, old_gain,
+ old_time_sel, new_time_sel, &new_gain);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ /*
+ * gain by time 8x => 1x - (hw)gain 512x => 4096x)
+ */
+ KUNIT_EXPECT_EQ(test, 4096, new_gain);
+
+ /* Unsupported gain 2x */
+ old_gain = 4;
+ old_time_sel = TEST_TSEL_200;
+ new_time_sel = TEST_TSEL_400;
+ ret = iio_gts_find_new_gain_sel_by_old_gain_time(>s, old_gain,
+ old_time_sel, new_time_sel, &new_gain);
+ KUNIT_EXPECT_NE(test, 0, ret);
+
+ /* Too small gain */
+ old_gain = 4;
+ old_time_sel = TEST_TSEL_50;
+ new_time_sel = TEST_TSEL_400;
+ ret = iio_gts_find_new_gain_sel_by_old_gain_time(>s, old_gain,
+ old_time_sel, new_time_sel, &new_gain);
+ KUNIT_EXPECT_NE(test, 0, ret);
+
+ /* Too big gain */
+ old_gain = 1024;
+ old_time_sel = TEST_TSEL_400;
+ new_time_sel = TEST_TSEL_50;
+ ret = iio_gts_find_new_gain_sel_by_old_gain_time(>s, old_gain,
+ old_time_sel, new_time_sel, &new_gain);
+ KUNIT_EXPECT_NE(test, 0, ret);
+
+}
+
+static void test_iio_find_closest_gain_low(struct kunit *test)
+{
+ struct device *dev;
+ bool in_range;
+ int ret;
+
+ const struct iio_gain_sel_pair gts_test_gains_gain_low[] = {
+ GAIN_SCALE_GAIN(4, TEST_GSEL_4),
+ GAIN_SCALE_GAIN(16, TEST_GSEL_16),
+ GAIN_SCALE_GAIN(32, TEST_GSEL_32),
+ };
+
+ dev = test_init_iio_gain_scale(test, >s);
+ if (!dev)
+ return;
+
+ ret = iio_find_closest_gain_low(>s, 2, &in_range);
+ KUNIT_EXPECT_EQ(test, 1, ret);
+ KUNIT_EXPECT_EQ(test, true, in_range);
+
+ ret = iio_find_closest_gain_low(>s, 1, &in_range);
+ KUNIT_EXPECT_EQ(test, 1, ret);
+ KUNIT_EXPECT_EQ(test, true, in_range);
+
+ ret = iio_find_closest_gain_low(>s, 4095, &in_range);
+ KUNIT_EXPECT_EQ(test, 2048, ret);
+ KUNIT_EXPECT_EQ(test, true, in_range);
+
+ ret = iio_find_closest_gain_low(>s, 4097, &in_range);
+ KUNIT_EXPECT_EQ(test, 4096, ret);
+ KUNIT_EXPECT_EQ(test, false, in_range);
+
+ kunit_device_unregister(test, dev);
+
+ dev = __test_init_iio_gain_scale(test, >s, gts_test_gains_gain_low,
+ ARRAY_SIZE(gts_test_gains_gain_low),
+ gts_test_itimes, ARRAY_SIZE(gts_test_itimes));
+ if (!dev)
+ return;
+
+ ret = iio_find_closest_gain_low(>s, 3, &in_range);
+ KUNIT_EXPECT_EQ(test, -EINVAL, ret);
+ KUNIT_EXPECT_EQ(test, false, in_range);
+}
+
+static void test_iio_gts_total_gain_to_scale(struct kunit *test)
+{
+ struct device *dev;
+ int ret, scale_int, scale_nano;
+
+ dev = test_init_iio_gain_scale(test, >s);
+ if (!dev)
+ return;
+
+ ret = iio_gts_total_gain_to_scale(>s, 1, &scale_int, &scale_nano);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_EQ(test, TEST_SCALE_1X, scale_int);
+ KUNIT_EXPECT_EQ(test, 0, scale_nano);
+
+ ret = iio_gts_total_gain_to_scale(>s, 1, &scale_int, &scale_nano);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_EQ(test, TEST_SCALE_1X, scale_int);
+ KUNIT_EXPECT_EQ(test, 0, scale_nano);
+
+ ret = iio_gts_total_gain_to_scale(>s, 4096 * 8, &scale_int,
+ &scale_nano);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_EQ(test, 0, scale_int);
+ KUNIT_EXPECT_EQ(test, TEST_SCALE_NANO_4096X8, scale_nano);
+}
+
+static void test_iio_gts_chk_times(struct kunit *test, const int *vals)
+{
+ static const int expected[] = {0, 50000, 0, 100000, 0, 200000, 0, 400000};
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(expected); i++)
+ KUNIT_EXPECT_EQ(test, expected[i], vals[i]);
+}
+
+static void test_iio_gts_chk_scales_all(struct kunit *test, struct iio_gts *gts,
+ const int *vals, int len)
+{
+ static const int gains[] = {1, 2, 4, 8, 16, 32, 64, 128, 256, 512,
+ 1024, 2048, 4096, 4096 * 2, 4096 * 4,
+ 4096 * 8};
+ int expected[ARRAY_SIZE(gains) * 2];
+ int i, ret;
+ int exp_len = ARRAY_SIZE(gains) * 2;
+
+ KUNIT_EXPECT_EQ(test, exp_len, len);
+ if (len != exp_len)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(gains); i++) {
+ ret = iio_gts_total_gain_to_scale(gts, gains[i],
+ &expected[2 * i],
+ &expected[2 * i + 1]);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ if (ret)
+ return;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(expected); i++)
+ KUNIT_EXPECT_EQ(test, expected[i], vals[i]);
+}
+
+static void test_iio_gts_chk_scales_t200(struct kunit *test, struct iio_gts *gts,
+ const int *vals, int len)
+{
+ /* The gain caused by time 200 is 4x */
+ static const int gains[] = {
+ 1 * 4,
+ 4 * 4,
+ 16 * 4,
+ 32 * 4,
+ 64 * 4,
+ 256 * 4,
+ 512 * 4,
+ 1024 * 4,
+ 2048 * 4,
+ 4096 * 4
+ };
+ int expected[ARRAY_SIZE(gains) * 2];
+ int i, ret;
+
+ KUNIT_EXPECT_EQ(test, 2 * ARRAY_SIZE(gains), len);
+ if (len < 2 * ARRAY_SIZE(gains))
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(gains); i++) {
+ ret = iio_gts_total_gain_to_scale(gts, gains[i],
+ &expected[2 * i],
+ &expected[2 * i + 1]);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ if (ret)
+ return;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(expected); i++)
+ KUNIT_EXPECT_EQ(test, expected[i], vals[i]);
+}
+
+static void test_iio_gts_avail_test(struct kunit *test)
+{
+ struct device *dev;
+ int ret;
+ int type, len;
+ const int *vals;
+
+ dev = test_init_iio_gain_scale(test, >s);
+ if (!dev)
+ return;
+
+ /* test table building for times and iio_gts_avail_times() */
+ ret = iio_gts_avail_times(>s, &vals, &type, &len);
+ KUNIT_EXPECT_EQ(test, IIO_AVAIL_LIST, ret);
+ if (ret)
+ return;
+
+ KUNIT_EXPECT_EQ(test, IIO_VAL_INT_PLUS_MICRO, type);
+ KUNIT_EXPECT_EQ(test, 8, len);
+ if (len < 8)
+ return;
+
+ test_iio_gts_chk_times(test, vals);
+
+ /* Test table building for all scales and iio_gts_all_avail_scales() */
+ ret = iio_gts_all_avail_scales(>s, &vals, &type, &len);
+ KUNIT_EXPECT_EQ(test, IIO_AVAIL_LIST, ret);
+ if (ret)
+ return;
+
+ KUNIT_EXPECT_EQ(test, IIO_VAL_INT_PLUS_NANO, type);
+
+ test_iio_gts_chk_scales_all(test, >s, vals, len);
+
+ /*
+ * Test table building for scales/time and
+ * iio_gts_avail_scales_for_time()
+ */
+ ret = iio_gts_avail_scales_for_time(>s, 200000, &vals, &type, &len);
+ KUNIT_EXPECT_EQ(test, IIO_AVAIL_LIST, ret);
+ if (ret)
+ return;
+
+ KUNIT_EXPECT_EQ(test, IIO_VAL_INT_PLUS_NANO, type);
+ test_iio_gts_chk_scales_t200(test, >s, vals, len);
+}
+
+static struct kunit_case iio_gts_test_cases[] = {
+ KUNIT_CASE(test_init_iio_gts_invalid),
+ KUNIT_CASE(test_iio_gts_find_gain_for_scale_using_time),
+ KUNIT_CASE(test_iio_gts_find_new_gain_sel_by_old_gain_time),
+ KUNIT_CASE(test_iio_find_closest_gain_low),
+ KUNIT_CASE(test_iio_gts_total_gain_to_scale),
+ KUNIT_CASE(test_iio_gts_avail_test),
+ {}
+};
+
+static struct kunit_suite iio_gts_test_suite = {
+ .name = "iio-gain-time-scale",
+ .test_cases = iio_gts_test_cases,
+};
+
+kunit_test_suite(iio_gts_test_suite);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Matti Vaittinen <mazziesaccount@gmail.com>");
+MODULE_DESCRIPTION("Test IIO light sensor gain-time-scale helpers");
+MODULE_IMPORT_NS(IIO_GTS_HELPER);
--
GitLab
From e21b4321f965d684d1b2d5dfb1ec0d5c3c71892b Mon Sep 17 00:00:00 2001
From: Matti Vaittinen <mazziesaccount@gmail.com>
Date: Mon, 15 Jan 2024 16:26:33 +0200
Subject: [PATCH 0457/2686] MAINTAINERS: add IIO GTS tests
Add undersigned as a maintainer for IIO GTS helper's KUnit tests.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/52c66fe2798192529738ac2ab98a27230a6ad8cd.1705328293.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
MAINTAINERS | 1 +
1 file changed, 1 insertion(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index dcf99f9f5b840..421520e192fc7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10405,6 +10405,7 @@ L: linux-iio@vger.kernel.org
S: Maintained
F: drivers/iio/industrialio-gts-helper.c
F: include/linux/iio/iio-gts-helper.h
+F: drivers/iio/test/iio-test-gts.c
IIO MULTIPLEXER
M: Peter Rosin <peda@axentia.se>
--
GitLab
From eeb4c24a5c909be376675963767fbcd36072fc6a Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 08:09:15 -0600
Subject: [PATCH 0458/2686] iio: health: afe4403: Use devm action helper for
regulator disable
Use a device lifecycle managed action for regulator disable function.
This helps prevent mistakes like unregistering out of order in cleanup
functions and forgetting to unregister on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123140918.215818-1-afd@ti.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/health/afe4403.c | 27 ++++++++++++++++-----------
1 file changed, 16 insertions(+), 11 deletions(-)
diff --git a/drivers/iio/health/afe4403.c b/drivers/iio/health/afe4403.c
index df3bc5c3d3786..9e9d6de2a7c83 100644
--- a/drivers/iio/health/afe4403.c
+++ b/drivers/iio/health/afe4403.c
@@ -346,6 +346,13 @@ static irqreturn_t afe4403_trigger_handler(int irq, void *private)
return IRQ_HANDLED;
}
+static void afe4403_regulator_disable(void *data)
+{
+ struct regulator *regulator = data;
+
+ regulator_disable(regulator);
+}
+
#define AFE4403_TIMING_PAIRS \
{ AFE440X_LED2STC, 0x000050 }, \
{ AFE440X_LED2ENDC, 0x0003e7 }, \
@@ -495,19 +502,24 @@ static int afe4403_probe(struct spi_device *spi)
dev_err(afe->dev, "Unable to enable regulator\n");
return ret;
}
+ ret = devm_add_action_or_reset(afe->dev, afe4403_regulator_disable, afe->regulator);
+ if (ret) {
+ dev_err(afe->dev, "Unable to add regulator disable action\n");
+ return ret;
+ }
ret = regmap_write(afe->regmap, AFE440X_CONTROL0,
AFE440X_CONTROL0_SW_RESET);
if (ret) {
dev_err(afe->dev, "Unable to reset device\n");
- goto err_disable_reg;
+ return ret;
}
ret = regmap_multi_reg_write(afe->regmap, afe4403_reg_sequences,
ARRAY_SIZE(afe4403_reg_sequences));
if (ret) {
dev_err(afe->dev, "Unable to set register defaults\n");
- goto err_disable_reg;
+ return ret;
}
indio_dev->modes = INDIO_DIRECT_MODE;
@@ -523,8 +535,7 @@ static int afe4403_probe(struct spi_device *spi)
iio_device_id(indio_dev));
if (!afe->trig) {
dev_err(afe->dev, "Unable to allocate IIO trigger\n");
- ret = -ENOMEM;
- goto err_disable_reg;
+ return -ENOMEM;
}
iio_trigger_set_drvdata(afe->trig, indio_dev);
@@ -532,7 +543,7 @@ static int afe4403_probe(struct spi_device *spi)
ret = iio_trigger_register(afe->trig);
if (ret) {
dev_err(afe->dev, "Unable to register IIO trigger\n");
- goto err_disable_reg;
+ return ret;
}
ret = devm_request_threaded_irq(afe->dev, afe->irq,
@@ -566,8 +577,6 @@ static int afe4403_probe(struct spi_device *spi)
err_trig:
if (afe->irq > 0)
iio_trigger_unregister(afe->trig);
-err_disable_reg:
- regulator_disable(afe->regulator);
return ret;
}
@@ -584,10 +593,6 @@ static void afe4403_remove(struct spi_device *spi)
if (afe->irq > 0)
iio_trigger_unregister(afe->trig);
-
- ret = regulator_disable(afe->regulator);
- if (ret)
- dev_warn(afe->dev, "Unable to disable regulator\n");
}
static const struct spi_device_id afe4403_ids[] = {
--
GitLab
From e73a640fe3149cfa4677cefa34247350e322b563 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 08:09:16 -0600
Subject: [PATCH 0459/2686] iio: health: afe4403: Use devm IIO helpers
Use a device lifecycle managed IIO helper functions. This helps prevent
mistakes like unregistering and freeing out of order in cleanup functions
and forgetting to unregister and free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123140918.215818-2-afd@ti.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/health/afe4403.c | 38 ++++++++----------------------------
1 file changed, 8 insertions(+), 30 deletions(-)
diff --git a/drivers/iio/health/afe4403.c b/drivers/iio/health/afe4403.c
index 9e9d6de2a7c83..1dbe48dae74ee 100644
--- a/drivers/iio/health/afe4403.c
+++ b/drivers/iio/health/afe4403.c
@@ -540,7 +540,7 @@ static int afe4403_probe(struct spi_device *spi)
iio_trigger_set_drvdata(afe->trig, indio_dev);
- ret = iio_trigger_register(afe->trig);
+ ret = devm_iio_trigger_register(afe->dev, afe->trig);
if (ret) {
dev_err(afe->dev, "Unable to register IIO trigger\n");
return ret;
@@ -553,46 +553,25 @@ static int afe4403_probe(struct spi_device *spi)
afe->trig);
if (ret) {
dev_err(afe->dev, "Unable to request IRQ\n");
- goto err_trig;
+ return ret;
}
}
- ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,
- afe4403_trigger_handler, NULL);
+ ret = devm_iio_triggered_buffer_setup(afe->dev, indio_dev,
+ &iio_pollfunc_store_time,
+ afe4403_trigger_handler, NULL);
if (ret) {
dev_err(afe->dev, "Unable to setup buffer\n");
- goto err_trig;
+ return ret;
}
- ret = iio_device_register(indio_dev);
+ ret = devm_iio_device_register(afe->dev, indio_dev);
if (ret) {
dev_err(afe->dev, "Unable to register IIO device\n");
- goto err_buff;
+ return ret;
}
return 0;
-
-err_buff:
- iio_triggered_buffer_cleanup(indio_dev);
-err_trig:
- if (afe->irq > 0)
- iio_trigger_unregister(afe->trig);
-
- return ret;
-}
-
-static void afe4403_remove(struct spi_device *spi)
-{
- struct iio_dev *indio_dev = spi_get_drvdata(spi);
- struct afe4403_data *afe = iio_priv(indio_dev);
- int ret;
-
- iio_device_unregister(indio_dev);
-
- iio_triggered_buffer_cleanup(indio_dev);
-
- if (afe->irq > 0)
- iio_trigger_unregister(afe->trig);
}
static const struct spi_device_id afe4403_ids[] = {
@@ -608,7 +587,6 @@ static struct spi_driver afe4403_spi_driver = {
.pm = pm_sleep_ptr(&afe4403_pm_ops),
},
.probe = afe4403_probe,
- .remove = afe4403_remove,
.id_table = afe4403_ids,
};
module_spi_driver(afe4403_spi_driver);
--
GitLab
From 5ff7ea503cd40776b741a33de762cc3f71c3fc1a Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 08:09:17 -0600
Subject: [PATCH 0460/2686] iio: health: afe4404: Use devm action helper for
regulator disable
Use a device lifecycle managed action for regulator disable function.
This helps prevent mistakes like unregistering out of order in cleanup
functions and forgetting to unregister on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123140918.215818-3-afd@ti.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/health/afe4404.c | 29 +++++++++++++++++------------
1 file changed, 17 insertions(+), 12 deletions(-)
diff --git a/drivers/iio/health/afe4404.c b/drivers/iio/health/afe4404.c
index ede1e82013118..75a513a92242c 100644
--- a/drivers/iio/health/afe4404.c
+++ b/drivers/iio/health/afe4404.c
@@ -349,6 +349,13 @@ static irqreturn_t afe4404_trigger_handler(int irq, void *private)
return IRQ_HANDLED;
}
+static void afe4404_regulator_disable(void *data)
+{
+ struct regulator *regulator = data;
+
+ regulator_disable(regulator);
+}
+
/* Default timings from data-sheet */
#define AFE4404_TIMING_PAIRS \
{ AFE440X_PRPCOUNT, 39999 }, \
@@ -502,19 +509,24 @@ static int afe4404_probe(struct i2c_client *client)
dev_err(afe->dev, "Unable to enable regulator\n");
return ret;
}
+ ret = devm_add_action_or_reset(afe->dev, afe4404_regulator_disable, afe->regulator);
+ if (ret) {
+ dev_err(afe->dev, "Unable to enable regulator\n");
+ return ret;
+ }
ret = regmap_write(afe->regmap, AFE440X_CONTROL0,
AFE440X_CONTROL0_SW_RESET);
if (ret) {
dev_err(afe->dev, "Unable to reset device\n");
- goto disable_reg;
+ return ret;
}
ret = regmap_multi_reg_write(afe->regmap, afe4404_reg_sequences,
ARRAY_SIZE(afe4404_reg_sequences));
if (ret) {
dev_err(afe->dev, "Unable to set register defaults\n");
- goto disable_reg;
+ return ret;
}
indio_dev->modes = INDIO_DIRECT_MODE;
@@ -530,8 +542,7 @@ static int afe4404_probe(struct i2c_client *client)
iio_device_id(indio_dev));
if (!afe->trig) {
dev_err(afe->dev, "Unable to allocate IIO trigger\n");
- ret = -ENOMEM;
- goto disable_reg;
+ return -ENOMEM;
}
iio_trigger_set_drvdata(afe->trig, indio_dev);
@@ -539,7 +550,7 @@ static int afe4404_probe(struct i2c_client *client)
ret = iio_trigger_register(afe->trig);
if (ret) {
dev_err(afe->dev, "Unable to register IIO trigger\n");
- goto disable_reg;
+ return ret;
}
ret = devm_request_threaded_irq(afe->dev, afe->irq,
@@ -549,7 +560,7 @@ static int afe4404_probe(struct i2c_client *client)
afe->trig);
if (ret) {
dev_err(afe->dev, "Unable to request IRQ\n");
- goto disable_reg;
+ return ret;
}
}
@@ -573,8 +584,6 @@ static int afe4404_probe(struct i2c_client *client)
unregister_trigger:
if (afe->irq > 0)
iio_trigger_unregister(afe->trig);
-disable_reg:
- regulator_disable(afe->regulator);
return ret;
}
@@ -591,10 +600,6 @@ static void afe4404_remove(struct i2c_client *client)
if (afe->irq > 0)
iio_trigger_unregister(afe->trig);
-
- ret = regulator_disable(afe->regulator);
- if (ret)
- dev_err(afe->dev, "Unable to disable regulator\n");
}
static const struct i2c_device_id afe4404_ids[] = {
--
GitLab
From 044b432392f827f39c1523bc67a62209d2d7760e Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 08:09:18 -0600
Subject: [PATCH 0461/2686] iio: health: afe4404: Use devm IIO helpers
Use a device lifecycle managed IIO helper functions. This helps prevent
mistakes like unregistering and freeing out of order in cleanup functions
and forgetting to unregister and free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123140918.215818-4-afd@ti.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/health/afe4404.c | 36 +++++++-----------------------------
1 file changed, 7 insertions(+), 29 deletions(-)
diff --git a/drivers/iio/health/afe4404.c b/drivers/iio/health/afe4404.c
index 75a513a92242c..7768b07ef7a6f 100644
--- a/drivers/iio/health/afe4404.c
+++ b/drivers/iio/health/afe4404.c
@@ -547,7 +547,7 @@ static int afe4404_probe(struct i2c_client *client)
iio_trigger_set_drvdata(afe->trig, indio_dev);
- ret = iio_trigger_register(afe->trig);
+ ret = devm_iio_trigger_register(afe->dev, afe->trig);
if (ret) {
dev_err(afe->dev, "Unable to register IIO trigger\n");
return ret;
@@ -564,42 +564,21 @@ static int afe4404_probe(struct i2c_client *client)
}
}
- ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,
- afe4404_trigger_handler, NULL);
+ ret = devm_iio_triggered_buffer_setup(afe->dev, indio_dev,
+ &iio_pollfunc_store_time,
+ afe4404_trigger_handler, NULL);
if (ret) {
dev_err(afe->dev, "Unable to setup buffer\n");
- goto unregister_trigger;
+ return ret;
}
- ret = iio_device_register(indio_dev);
+ ret = devm_iio_device_register(afe->dev, indio_dev);
if (ret) {
dev_err(afe->dev, "Unable to register IIO device\n");
- goto unregister_triggered_buffer;
+ return ret;
}
return 0;
-
-unregister_triggered_buffer:
- iio_triggered_buffer_cleanup(indio_dev);
-unregister_trigger:
- if (afe->irq > 0)
- iio_trigger_unregister(afe->trig);
-
- return ret;
-}
-
-static void afe4404_remove(struct i2c_client *client)
-{
- struct iio_dev *indio_dev = i2c_get_clientdata(client);
- struct afe4404_data *afe = iio_priv(indio_dev);
- int ret;
-
- iio_device_unregister(indio_dev);
-
- iio_triggered_buffer_cleanup(indio_dev);
-
- if (afe->irq > 0)
- iio_trigger_unregister(afe->trig);
}
static const struct i2c_device_id afe4404_ids[] = {
@@ -615,7 +594,6 @@ static struct i2c_driver afe4404_i2c_driver = {
.pm = pm_sleep_ptr(&afe4404_pm_ops),
},
.probe = afe4404_probe,
- .remove = afe4404_remove,
.id_table = afe4404_ids,
};
module_i2c_driver(afe4404_i2c_driver);
--
GitLab
From 7b5f651127550f2506aae7aac6b78ff6568f5725 Mon Sep 17 00:00:00 2001
From: Kim Seer Paller <kimseer.paller@analog.com>
Date: Tue, 23 Jan 2024 16:10:58 +0800
Subject: [PATCH 0462/2686] dt-bindings: iio: frequency: add admfm2000
Dual microwave down converter module with input RF and LO frequency
ranges from 0.5 to 32 GHz and an output IF frequency range from 0.1 to
8 GHz. It consists of a LNA, mixer, IF filter, DSA, and IF amplifier
for each down conversion path.
Signed-off-by: Kim Seer Paller <kimseer.paller@analog.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240123081059.5746-1-kimseer.paller@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../bindings/iio/frequency/adi,admfm2000.yaml | 127 ++++++++++++++++++
MAINTAINERS | 7 +
2 files changed, 134 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml
diff --git a/Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml b/Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml
new file mode 100644
index 0000000000000..2bcf4bbc12e41
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml
@@ -0,0 +1,127 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2024 Analog Devices Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/frequency/adi,admfm2000.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ADMFM2000 Dual Microwave Down Converter
+
+maintainers:
+ - Kim Seer Paller <kimseer.paller@analog.com>
+
+description:
+ Dual microwave down converter module with input RF and LO frequency ranges
+ from 0.5 to 32 GHz and an output IF frequency range from 0.1 to 8 GHz.
+ It consists of a LNA, mixer, IF filter, DSA, and IF amplifier for each down
+ conversion path.
+
+properties:
+ compatible:
+ enum:
+ - adi,admfm2000
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+patternProperties:
+ "^channel@[0-1]$":
+ type: object
+ description: Represents a channel of the device.
+
+ additionalProperties: false
+
+ properties:
+ reg:
+ description:
+ The channel number.
+ minimum: 0
+ maximum: 1
+
+ adi,mixer-mode:
+ description:
+ Enable mixer mode for the channel. It downconverts RF between 5 GHz
+ and 32 GHz to IF between 0.5 GHz and 8 GHz. If not present, the channel
+ is in direct IF mode which bypasses the mixer and downconverts RF
+ between 2 GHz and 8 GHz to IF between 0.5 GHz and 8 GHz.
+ type: boolean
+
+ switch-gpios:
+ description: |
+ GPIOs to select the RF path for the channel. The same state of CTRL-A
+ and CTRL-B GPIOs is not permitted.
+ CTRL-A CTRL-B CH1 Status CH2 Status
+ 1 0 Direct IF mode Mixer mode
+ 0 1 Mixer mode Direct IF mode
+
+ items:
+ - description: CTRL-A GPIO
+ - description: CTRL-B GPIO
+
+ attenuation-gpios:
+ description: |
+ Choice of attenuation:
+ DSA-V4 DSA-V3 DSA-V2 DSA-V1 DSA-V0
+ 1 1 1 1 1 0 dB
+ 1 1 1 1 0 -1 dB
+ 1 1 1 0 1 -2 dB
+ 1 1 0 1 1 -4 dB
+ 1 0 1 1 1 -8 dB
+ 0 1 1 1 1 -16 dB
+ 0 0 0 0 0 -31 dB
+
+ items:
+ - description: DSA-V0 GPIO
+ - description: DSA-V1 GPIO
+ - description: DSA-V2 GPIO
+ - description: DSA-V3 GPIO
+ - description: DSA-V4 GPIO
+
+ required:
+ - reg
+ - switch-gpios
+ - attenuation-gpios
+
+required:
+ - compatible
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ converter {
+ compatible = "adi,admfm2000";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ channel@0 {
+ reg = <0>;
+ switch-gpios = <&gpio 1 GPIO_ACTIVE_LOW>,
+ <&gpio 2 GPIO_ACTIVE_HIGH>;
+
+ attenuation-gpios = <&gpio 17 GPIO_ACTIVE_LOW>,
+ <&gpio 22 GPIO_ACTIVE_LOW>,
+ <&gpio 23 GPIO_ACTIVE_LOW>,
+ <&gpio 24 GPIO_ACTIVE_LOW>,
+ <&gpio 25 GPIO_ACTIVE_LOW>;
+ };
+
+ channel@1 {
+ reg = <1>;
+ adi,mixer-mode;
+ switch-gpios = <&gpio 3 GPIO_ACTIVE_LOW>,
+ <&gpio 4 GPIO_ACTIVE_HIGH>;
+
+ attenuation-gpios = <&gpio 0 GPIO_ACTIVE_LOW>,
+ <&gpio 5 GPIO_ACTIVE_LOW>,
+ <&gpio 6 GPIO_ACTIVE_LOW>,
+ <&gpio 16 GPIO_ACTIVE_LOW>,
+ <&gpio 26 GPIO_ACTIVE_LOW>;
+ };
+ };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 421520e192fc7..e650f65996c08 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1267,6 +1267,13 @@ W: https://ez.analog.com/linux-software-drivers
F: Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml
F: drivers/hwmon/adm1177.c
+ANALOG DEVICES INC ADMFM2000 DRIVER
+M: Kim Seer Paller <kimseer.paller@analog.com>
+L: linux-iio@vger.kernel.org
+S: Supported
+W: https://ez.analog.com/linux-software-drivers
+F: Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml
+
ANALOG DEVICES INC ADMV1013 DRIVER
M: Antoniu Miclaus <antoniu.miclaus@analog.com>
L: linux-iio@vger.kernel.org
--
GitLab
From 5659785a329edaca710ada74e62ce2c24cce6cfa Mon Sep 17 00:00:00 2001
From: Kim Seer Paller <kimseer.paller@analog.com>
Date: Tue, 23 Jan 2024 16:10:59 +0800
Subject: [PATCH 0463/2686] iio: frequency: admfm2000: New driver
Dual microwave down converter module with input RF and LO frequency
ranges from 0.5 to 32 GHz and an output IF frequency range from 0.1 to
8 GHz. It consists of a LNA, mixer, IF filter, DSA, and IF amplifier
for each down conversion path.
Signed-off-by: Kim Seer Paller <kimseer.paller@analog.com>
Link: https://lore.kernel.org/r/20240123081059.5746-2-kimseer.paller@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
MAINTAINERS | 1 +
drivers/iio/frequency/Kconfig | 10 ++
drivers/iio/frequency/Makefile | 1 +
drivers/iio/frequency/admfm2000.c | 282 ++++++++++++++++++++++++++++++
4 files changed, 294 insertions(+)
create mode 100644 drivers/iio/frequency/admfm2000.c
diff --git a/MAINTAINERS b/MAINTAINERS
index e650f65996c08..bc1e236f21840 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1273,6 +1273,7 @@ L: linux-iio@vger.kernel.org
S: Supported
W: https://ez.analog.com/linux-software-drivers
F: Documentation/devicetree/bindings/iio/frequency/adi,admfm2000.yaml
+F: drivers/iio/frequency/admfm2000.c
ANALOG DEVICES INC ADMV1013 DRIVER
M: Antoniu Miclaus <antoniu.miclaus@analog.com>
diff --git a/drivers/iio/frequency/Kconfig b/drivers/iio/frequency/Kconfig
index 9e85dfa585081..c455be7d4a1c8 100644
--- a/drivers/iio/frequency/Kconfig
+++ b/drivers/iio/frequency/Kconfig
@@ -60,6 +60,16 @@ config ADF4377
To compile this driver as a module, choose M here: the
module will be called adf4377.
+config ADMFM2000
+ tristate "Analog Devices ADMFM2000 Dual Microwave Down Converter"
+ depends on GPIOLIB
+ help
+ Say yes here to build support for Analog Devices ADMFM2000 Dual
+ Microwave Down Converter.
+
+ To compile this driver as a module, choose M here: the
+ module will be called admfm2000.
+
config ADMV1013
tristate "Analog Devices ADMV1013 Microwave Upconverter"
depends on SPI && COMMON_CLK
diff --git a/drivers/iio/frequency/Makefile b/drivers/iio/frequency/Makefile
index b616c29b4a087..70d0e0b70e802 100644
--- a/drivers/iio/frequency/Makefile
+++ b/drivers/iio/frequency/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_AD9523) += ad9523.o
obj-$(CONFIG_ADF4350) += adf4350.o
obj-$(CONFIG_ADF4371) += adf4371.o
obj-$(CONFIG_ADF4377) += adf4377.o
+obj-$(CONFIG_ADMFM2000) += admfm2000.o
obj-$(CONFIG_ADMV1013) += admv1013.o
obj-$(CONFIG_ADMV1014) += admv1014.o
obj-$(CONFIG_ADMV4420) += admv4420.o
diff --git a/drivers/iio/frequency/admfm2000.c b/drivers/iio/frequency/admfm2000.c
new file mode 100644
index 0000000000000..c34d79e55a7c5
--- /dev/null
+++ b/drivers/iio/frequency/admfm2000.c
@@ -0,0 +1,282 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ADMFM2000 Dual Microwave Down Converter
+ *
+ * Copyright 2024 Analog Devices Inc.
+ */
+
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/gpio/consumer.h>
+#include <linux/iio/iio.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/platform_device.h>
+#include <linux/property.h>
+
+#define ADMFM2000_MIXER_MODE 0
+#define ADMFM2000_DIRECT_IF_MODE 1
+#define ADMFM2000_DSA_GPIOS 5
+#define ADMFM2000_MODE_GPIOS 2
+#define ADMFM2000_MAX_GAIN 0
+#define ADMFM2000_MIN_GAIN -31000
+#define ADMFM2000_DEFAULT_GAIN -0x20
+
+struct admfm2000_state {
+ struct mutex lock; /* protect sensor state */
+ struct gpio_desc *sw1_ch[2];
+ struct gpio_desc *sw2_ch[2];
+ struct gpio_desc *dsa1_gpios[5];
+ struct gpio_desc *dsa2_gpios[5];
+ u32 gain[2];
+};
+
+static int admfm2000_mode(struct iio_dev *indio_dev, u32 chan, u32 mode)
+{
+ struct admfm2000_state *st = iio_priv(indio_dev);
+ int i;
+
+ switch (mode) {
+ case ADMFM2000_MIXER_MODE:
+ for (i = 0; i < ADMFM2000_MODE_GPIOS; i++) {
+ gpiod_set_value_cansleep(st->sw1_ch[i], (chan == 0) ? 1 : 0);
+ gpiod_set_value_cansleep(st->sw2_ch[i], (chan == 0) ? 0 : 1);
+ }
+ return 0;
+ case ADMFM2000_DIRECT_IF_MODE:
+ for (i = 0; i < ADMFM2000_MODE_GPIOS; i++) {
+ gpiod_set_value_cansleep(st->sw1_ch[i], (chan == 0) ? 0 : 1);
+ gpiod_set_value_cansleep(st->sw2_ch[i], (chan == 0) ? 1 : 0);
+ }
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int admfm2000_attenuation(struct iio_dev *indio_dev, u32 chan, u32 value)
+{
+ struct admfm2000_state *st = iio_priv(indio_dev);
+ int i;
+
+ switch (chan) {
+ case 0:
+ for (i = 0; i < ADMFM2000_DSA_GPIOS; i++)
+ gpiod_set_value_cansleep(st->dsa1_gpios[i], value & (1 << i));
+ return 0;
+ case 1:
+ for (i = 0; i < ADMFM2000_DSA_GPIOS; i++)
+ gpiod_set_value_cansleep(st->dsa2_gpios[i], value & (1 << i));
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int admfm2000_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan, int *val,
+ int *val2, long mask)
+{
+ struct admfm2000_state *st = iio_priv(indio_dev);
+ int gain;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_HARDWAREGAIN:
+ mutex_lock(&st->lock);
+ gain = ~(st->gain[chan->channel]) * -1000;
+ *val = gain / 1000;
+ *val2 = (gain % 1000) * 1000;
+ mutex_unlock(&st->lock);
+
+ return IIO_VAL_INT_PLUS_MICRO_DB;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int admfm2000_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan, int val,
+ int val2, long mask)
+{
+ struct admfm2000_state *st = iio_priv(indio_dev);
+ int gain, ret;
+
+ if (val < 0)
+ gain = (val * 1000) - (val2 / 1000);
+ else
+ gain = (val * 1000) + (val2 / 1000);
+
+ if (gain > ADMFM2000_MAX_GAIN || gain < ADMFM2000_MIN_GAIN)
+ return -EINVAL;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_HARDWAREGAIN:
+ mutex_lock(&st->lock);
+ st->gain[chan->channel] = ~((abs(gain) / 1000) & 0x1F);
+
+ ret = admfm2000_attenuation(indio_dev, chan->channel,
+ st->gain[chan->channel]);
+ mutex_unlock(&st->lock);
+ return ret;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int admfm2000_write_raw_get_fmt(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ long mask)
+{
+ switch (mask) {
+ case IIO_CHAN_INFO_HARDWAREGAIN:
+ return IIO_VAL_INT_PLUS_MICRO_DB;
+ default:
+ return -EINVAL;
+ }
+}
+
+static const struct iio_info admfm2000_info = {
+ .read_raw = &admfm2000_read_raw,
+ .write_raw = &admfm2000_write_raw,
+ .write_raw_get_fmt = &admfm2000_write_raw_get_fmt,
+};
+
+#define ADMFM2000_CHAN(_channel) { \
+ .type = IIO_VOLTAGE, \
+ .output = 1, \
+ .indexed = 1, \
+ .channel = _channel, \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_HARDWAREGAIN), \
+}
+
+static const struct iio_chan_spec admfm2000_channels[] = {
+ ADMFM2000_CHAN(0),
+ ADMFM2000_CHAN(1),
+};
+
+static int admfm2000_channel_config(struct admfm2000_state *st,
+ struct iio_dev *indio_dev)
+{
+ struct platform_device *pdev = to_platform_device(indio_dev->dev.parent);
+ struct device *dev = &pdev->dev;
+ struct fwnode_handle *child;
+ struct gpio_desc **dsa;
+ struct gpio_desc **sw;
+ int ret, i;
+ bool mode;
+ u32 reg;
+
+ device_for_each_child_node(dev, child) {
+ ret = fwnode_property_read_u32(child, "reg", ®);
+ if (ret) {
+ fwnode_handle_put(child);
+ return dev_err_probe(dev, ret,
+ "Failed to get reg property\n");
+ }
+
+ if (reg >= indio_dev->num_channels) {
+ fwnode_handle_put(child);
+ return dev_err_probe(dev, -EINVAL, "reg bigger than: %d\n",
+ indio_dev->num_channels);
+ }
+
+ if (fwnode_property_present(child, "adi,mixer-mode"))
+ mode = ADMFM2000_MIXER_MODE;
+ else
+ mode = ADMFM2000_DIRECT_IF_MODE;
+
+ switch (reg) {
+ case 0:
+ sw = st->sw1_ch;
+ dsa = st->dsa1_gpios;
+ break;
+ case 1:
+ sw = st->sw2_ch;
+ dsa = st->dsa2_gpios;
+ break;
+ default:
+ fwnode_handle_put(child);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < ADMFM2000_MODE_GPIOS; i++) {
+ sw[i] = devm_fwnode_gpiod_get_index(dev, child, "switch",
+ i, GPIOD_OUT_LOW, NULL);
+ if (IS_ERR(sw[i])) {
+ fwnode_handle_put(child);
+ return dev_err_probe(dev, PTR_ERR(sw[i]),
+ "Failed to get gpios\n");
+ }
+ }
+
+ for (i = 0; i < ADMFM2000_DSA_GPIOS; i++) {
+ dsa[i] = devm_fwnode_gpiod_get_index(dev, child,
+ "attenuation", i,
+ GPIOD_OUT_LOW, NULL);
+ if (IS_ERR(dsa[i])) {
+ fwnode_handle_put(child);
+ return dev_err_probe(dev, PTR_ERR(dsa[i]),
+ "Failed to get gpios\n");
+ }
+ }
+
+ ret = admfm2000_mode(indio_dev, reg, mode);
+ if (ret) {
+ fwnode_handle_put(child);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int admfm2000_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct admfm2000_state *st;
+ struct iio_dev *indio_dev;
+ int ret;
+
+ indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ st = iio_priv(indio_dev);
+
+ indio_dev->name = "admfm2000";
+ indio_dev->num_channels = ARRAY_SIZE(admfm2000_channels);
+ indio_dev->channels = admfm2000_channels;
+ indio_dev->info = &admfm2000_info;
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ st->gain[0] = ADMFM2000_DEFAULT_GAIN;
+ st->gain[1] = ADMFM2000_DEFAULT_GAIN;
+
+ mutex_init(&st->lock);
+
+ ret = admfm2000_channel_config(st, indio_dev);
+ if (ret)
+ return ret;
+
+ return devm_iio_device_register(dev, indio_dev);
+}
+
+static const struct of_device_id admfm2000_of_match[] = {
+ { .compatible = "adi,admfm2000" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, admfm2000_of_match);
+
+static struct platform_driver admfm2000_driver = {
+ .driver = {
+ .name = "admfm2000",
+ .of_match_table = admfm2000_of_match,
+ },
+ .probe = admfm2000_probe,
+};
+module_platform_driver(admfm2000_driver);
+
+MODULE_AUTHOR("Kim Seer Paller <kimseer.paller@analog.com>");
+MODULE_DESCRIPTION("ADMFM2000 Dual Microwave Down Converter");
+MODULE_LICENSE("GPL");
--
GitLab
From c8f883a78fa27c3bff3130b1abb37902a1fd3563 Mon Sep 17 00:00:00 2001
From: Nikita Mikhailevich <ermyril@gmail.com>
Date: Thu, 1 Feb 2024 16:18:48 +0100
Subject: [PATCH 0464/2686] iio: accel: mxc4005: new ACPI ID for the MXC6655
accelerometer
New ID was introduced by Chuwi on Minibook X 2023.
Signed-off-by: Nikita Mikhailevich <ermyril@gmail.com>
Link: https://lore.kernel.org/r/20240201151848.1666245-1-ermyril@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/mxc4005.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/iio/accel/mxc4005.c b/drivers/iio/accel/mxc4005.c
index 8118cc13614a1..61839be501c21 100644
--- a/drivers/iio/accel/mxc4005.c
+++ b/drivers/iio/accel/mxc4005.c
@@ -472,6 +472,7 @@ static int mxc4005_probe(struct i2c_client *client)
static const struct acpi_device_id mxc4005_acpi_match[] = {
{"MXC4005", 0},
{"MXC6655", 0},
+ {"MDA6655", 0},
{ },
};
MODULE_DEVICE_TABLE(acpi, mxc4005_acpi_match);
--
GitLab
From f7b6443f347dd5fdbee15a15f457db83f1426328 Mon Sep 17 00:00:00 2001
From: Justin Stitt <justinstitt@google.com>
Date: Thu, 1 Feb 2024 18:55:03 +0000
Subject: [PATCH 0465/2686] iio: sx9324: avoid copying property strings
We're doing some needless string copies when trying to assign the proper
`prop` string. We can make `prop` a const char* and simply assign to
string literals.
For the case where a format string is used, let's extract the parsing
logic out into sx9324_parse_phase_prop(). We no longer need to create
copies or allocate new memory.
sx9324_parse_phase_prop() will simply return the default def value if it
fails.
This also cleans up some deprecated strncpy() uses [1].
Furthermore, let's clean up this code further by removing some unused
defines:
| #define SX9324_PIN_DEF "semtech,ph0-pin"
| #define SX9324_RESOLUTION_DEF "semtech,ph01-resolution"
| #define SX9324_PROXRAW_DEF "semtech,ph01-proxraw-strength"
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Justin Stitt <justinstitt@google.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20240201-strncpy-drivers-iio-proximity-sx9324-c-v5-1-78dde23553bc@google.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/proximity/sx9324.c | 69 ++++++++++++++++++++--------------
1 file changed, 40 insertions(+), 29 deletions(-)
diff --git a/drivers/iio/proximity/sx9324.c b/drivers/iio/proximity/sx9324.c
index ac2ed2da21ccc..b0403fc7906ba 100644
--- a/drivers/iio/proximity/sx9324.c
+++ b/drivers/iio/proximity/sx9324.c
@@ -873,6 +873,29 @@ static int sx9324_init_compensation(struct iio_dev *indio_dev)
20000, 2000000);
}
+static u8 sx9324_parse_phase_prop(struct device *dev,
+ struct sx_common_reg_default *reg_def,
+ const char *prop)
+{
+ unsigned int pin_defs[SX9324_NUM_PINS];
+ int count, ret, pin;
+ u32 raw = 0;
+
+ count = device_property_count_u32(dev, prop);
+ if (count != ARRAY_SIZE(pin_defs))
+ return reg_def->def;
+ ret = device_property_read_u32_array(dev, prop, pin_defs,
+ ARRAY_SIZE(pin_defs));
+ if (ret)
+ return reg_def->def;
+
+ for (pin = 0; pin < SX9324_NUM_PINS; pin++)
+ raw |= (pin_defs[pin] << (2 * pin)) &
+ SX9324_REG_AFE_PH0_PIN_MASK(pin);
+
+ return raw;
+}
+
static const struct sx_common_reg_default *
sx9324_get_default_reg(struct device *dev, int idx,
struct sx_common_reg_default *reg_def)
@@ -881,37 +904,29 @@ sx9324_get_default_reg(struct device *dev, int idx,
"highest" };
static const char * const sx9324_csidle[] = { "hi-z", "hi-z", "gnd",
"vdd" };
-#define SX9324_PIN_DEF "semtech,ph0-pin"
-#define SX9324_RESOLUTION_DEF "semtech,ph01-resolution"
-#define SX9324_PROXRAW_DEF "semtech,ph01-proxraw-strength"
- unsigned int pin_defs[SX9324_NUM_PINS];
- char prop[] = SX9324_PROXRAW_DEF;
u32 start = 0, raw = 0, pos = 0;
- int ret, count, ph, pin;
+ const char *prop;
+ int ret;
memcpy(reg_def, &sx9324_default_regs[idx], sizeof(*reg_def));
sx_common_get_raw_register_config(dev, reg_def);
switch (reg_def->reg) {
case SX9324_REG_AFE_PH0:
+ reg_def->def = sx9324_parse_phase_prop(dev, reg_def,
+ "semtech,ph0-pin");
+ break;
case SX9324_REG_AFE_PH1:
+ reg_def->def = sx9324_parse_phase_prop(dev, reg_def,
+ "semtech,ph1-pin");
+ break;
case SX9324_REG_AFE_PH2:
+ reg_def->def = sx9324_parse_phase_prop(dev, reg_def,
+ "semtech,ph2-pin");
+ break;
case SX9324_REG_AFE_PH3:
- ph = reg_def->reg - SX9324_REG_AFE_PH0;
- snprintf(prop, ARRAY_SIZE(prop), "semtech,ph%d-pin", ph);
-
- count = device_property_count_u32(dev, prop);
- if (count != ARRAY_SIZE(pin_defs))
- break;
- ret = device_property_read_u32_array(dev, prop, pin_defs,
- ARRAY_SIZE(pin_defs));
- if (ret)
- break;
-
- for (pin = 0; pin < SX9324_NUM_PINS; pin++)
- raw |= (pin_defs[pin] << (2 * pin)) &
- SX9324_REG_AFE_PH0_PIN_MASK(pin);
- reg_def->def = raw;
+ reg_def->def = sx9324_parse_phase_prop(dev, reg_def,
+ "semtech,ph3-pin");
break;
case SX9324_REG_AFE_CTRL0:
ret = device_property_match_property_string(dev, "semtech,cs-idle-sleep",
@@ -933,11 +948,9 @@ sx9324_get_default_reg(struct device *dev, int idx,
case SX9324_REG_AFE_CTRL4:
case SX9324_REG_AFE_CTRL7:
if (reg_def->reg == SX9324_REG_AFE_CTRL4)
- strncpy(prop, "semtech,ph01-resolution",
- ARRAY_SIZE(prop));
+ prop = "semtech,ph01-resolution";
else
- strncpy(prop, "semtech,ph23-resolution",
- ARRAY_SIZE(prop));
+ prop = "semtech,ph23-resolution";
ret = device_property_read_u32(dev, prop, &raw);
if (ret)
@@ -1008,11 +1021,9 @@ sx9324_get_default_reg(struct device *dev, int idx,
case SX9324_REG_PROX_CTRL0:
case SX9324_REG_PROX_CTRL1:
if (reg_def->reg == SX9324_REG_PROX_CTRL0)
- strncpy(prop, "semtech,ph01-proxraw-strength",
- ARRAY_SIZE(prop));
+ prop = "semtech,ph01-proxraw-strength";
else
- strncpy(prop, "semtech,ph23-proxraw-strength",
- ARRAY_SIZE(prop));
+ prop = "semtech,ph23-proxraw-strength";
ret = device_property_read_u32(dev, prop, &raw);
if (ret)
break;
--
GitLab
From 1dae0cb79ceacbdc7495c5f83ca71e1c12a24d7c Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 28 Jan 2024 15:05:28 +0000
Subject: [PATCH 0466/2686] iio: locking: introduce __cleanup() based direct
mode claiming infrastructure
Allows use of:
iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
}
to automatically call iio_device_release_direct_mode() based on scope.
Typically seen in combination with local device specific locks which
are already have automated cleanup options via guard(mutex)(&st->lock)
and scoped_guard(). Using both together allows most error handling to
be automated.
Reviewed-by: Nuno Sa <nuno.a@analog.com>
Link: https://lore.kernel.org/r/20240128150537.44592-2-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
include/linux/iio/iio.h | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index c5b36d2c1e735..4f89279e531cd 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -9,6 +9,7 @@
#include <linux/device.h>
#include <linux/cdev.h>
+#include <linux/cleanup.h>
#include <linux/slab.h>
#include <linux/iio/types.h>
/* IIO TODO LIST */
@@ -638,6 +639,33 @@ int __devm_iio_device_register(struct device *dev, struct iio_dev *indio_dev,
int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp);
int iio_device_claim_direct_mode(struct iio_dev *indio_dev);
void iio_device_release_direct_mode(struct iio_dev *indio_dev);
+
+/*
+ * This autocleanup logic is normally used via
+ * iio_device_claim_direct_scoped().
+ */
+DEFINE_GUARD(iio_claim_direct, struct iio_dev *, iio_device_claim_direct_mode(_T),
+ iio_device_release_direct_mode(_T))
+
+DEFINE_GUARD_COND(iio_claim_direct, _try, ({
+ struct iio_dev *dev;
+ int d = iio_device_claim_direct_mode(_T);
+
+ if (d < 0)
+ dev = NULL;
+ else
+ dev = _T;
+ dev;
+ }))
+
+/**
+ * iio_device_claim_direct_scoped() - Scoped call to iio_device_claim_direct.
+ * @fail: What to do on failure to claim device.
+ * @iio_dev: Pointer to the IIO devices structure
+ */
+#define iio_device_claim_direct_scoped(fail, iio_dev) \
+ scoped_cond_guard(iio_claim_direct_try, fail, iio_dev)
+
int iio_device_claim_buffer_mode(struct iio_dev *indio_dev);
void iio_device_release_buffer_mode(struct iio_dev *indio_dev);
--
GitLab
From 366328e5ac47a763d77b9dd85172d3eb3735568e Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 28 Jan 2024 15:05:29 +0000
Subject: [PATCH 0467/2686] iio: dummy: Use automatic lock and direct mode
cleanup.
Given we now have iio_device_claim_direct_scoped() to perform automatic
releasing of direct mode at exit from the scope that follows it, this can
be used in conjunction with guard(mutex) etc remove a lot of special case
handling.
Note that in this particular example code, there is no real reason you can't
read channels via sysfs at the same time as filling the software buffer.
To make it look more like a real driver constrain raw and processed
channel reads from occurring whilst the buffer is in use.
Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Nuno Sa <nuno.a@analog.com>
Link: https://lore.kernel.org/r/20240128150537.44592-3-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/dummy/iio_simple_dummy.c | 185 +++++++++++++--------------
1 file changed, 89 insertions(+), 96 deletions(-)
diff --git a/drivers/iio/dummy/iio_simple_dummy.c b/drivers/iio/dummy/iio_simple_dummy.c
index c24f609c2ade6..09efacaf8f78d 100644
--- a/drivers/iio/dummy/iio_simple_dummy.c
+++ b/drivers/iio/dummy/iio_simple_dummy.c
@@ -283,65 +283,63 @@ static int iio_dummy_read_raw(struct iio_dev *indio_dev,
long mask)
{
struct iio_dummy_state *st = iio_priv(indio_dev);
- int ret = -EINVAL;
- mutex_lock(&st->lock);
switch (mask) {
case IIO_CHAN_INFO_RAW: /* magic value - channel value read */
- switch (chan->type) {
- case IIO_VOLTAGE:
- if (chan->output) {
- /* Set integer part to cached value */
- *val = st->dac_val;
- ret = IIO_VAL_INT;
- } else if (chan->differential) {
- if (chan->channel == 1)
- *val = st->differential_adc_val[0];
- else
- *val = st->differential_adc_val[1];
- ret = IIO_VAL_INT;
- } else {
- *val = st->single_ended_adc_val;
- ret = IIO_VAL_INT;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
+ guard(mutex)(&st->lock);
+ switch (chan->type) {
+ case IIO_VOLTAGE:
+ if (chan->output) {
+ /* Set integer part to cached value */
+ *val = st->dac_val;
+ return IIO_VAL_INT;
+ } else if (chan->differential) {
+ if (chan->channel == 1)
+ *val = st->differential_adc_val[0];
+ else
+ *val = st->differential_adc_val[1];
+ return IIO_VAL_INT;
+ } else {
+ *val = st->single_ended_adc_val;
+ return IIO_VAL_INT;
+ }
+
+ case IIO_ACCEL:
+ *val = st->accel_val;
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
}
- break;
- case IIO_ACCEL:
- *val = st->accel_val;
- ret = IIO_VAL_INT;
- break;
- default:
- break;
}
- break;
+ unreachable();
case IIO_CHAN_INFO_PROCESSED:
- switch (chan->type) {
- case IIO_STEPS:
- *val = st->steps;
- ret = IIO_VAL_INT;
- break;
- case IIO_ACTIVITY:
- switch (chan->channel2) {
- case IIO_MOD_RUNNING:
- *val = st->activity_running;
- ret = IIO_VAL_INT;
- break;
- case IIO_MOD_WALKING:
- *val = st->activity_walking;
- ret = IIO_VAL_INT;
- break;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
+ guard(mutex)(&st->lock);
+ switch (chan->type) {
+ case IIO_STEPS:
+ *val = st->steps;
+ return IIO_VAL_INT;
+ case IIO_ACTIVITY:
+ switch (chan->channel2) {
+ case IIO_MOD_RUNNING:
+ *val = st->activity_running;
+ return IIO_VAL_INT;
+ case IIO_MOD_WALKING:
+ *val = st->activity_walking;
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
default:
- break;
+ return -EINVAL;
}
- break;
- default:
- break;
}
- break;
+ unreachable();
case IIO_CHAN_INFO_OFFSET:
/* only single ended adc -> 7 */
*val = 7;
- ret = IIO_VAL_INT;
- break;
+ return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
switch (chan->type) {
case IIO_VOLTAGE:
@@ -350,60 +348,57 @@ static int iio_dummy_read_raw(struct iio_dev *indio_dev,
/* only single ended adc -> 0.001333 */
*val = 0;
*val2 = 1333;
- ret = IIO_VAL_INT_PLUS_MICRO;
- break;
+ return IIO_VAL_INT_PLUS_MICRO;
case 1:
/* all differential adc -> 0.000001344 */
*val = 0;
*val2 = 1344;
- ret = IIO_VAL_INT_PLUS_NANO;
+ return IIO_VAL_INT_PLUS_NANO;
+ default:
+ return -EINVAL;
}
- break;
default:
- break;
+ return -EINVAL;
}
- break;
- case IIO_CHAN_INFO_CALIBBIAS:
+ case IIO_CHAN_INFO_CALIBBIAS: {
+ guard(mutex)(&st->lock);
/* only the acceleration axis - read from cache */
*val = st->accel_calibbias;
- ret = IIO_VAL_INT;
- break;
- case IIO_CHAN_INFO_CALIBSCALE:
+ return IIO_VAL_INT;
+ }
+ case IIO_CHAN_INFO_CALIBSCALE: {
+ guard(mutex)(&st->lock);
*val = st->accel_calibscale->val;
*val2 = st->accel_calibscale->val2;
- ret = IIO_VAL_INT_PLUS_MICRO;
- break;
+ return IIO_VAL_INT_PLUS_MICRO;
+ }
case IIO_CHAN_INFO_SAMP_FREQ:
*val = 3;
*val2 = 33;
- ret = IIO_VAL_INT_PLUS_NANO;
- break;
- case IIO_CHAN_INFO_ENABLE:
+ return IIO_VAL_INT_PLUS_NANO;
+ case IIO_CHAN_INFO_ENABLE: {
+ guard(mutex)(&st->lock);
switch (chan->type) {
case IIO_STEPS:
*val = st->steps_enabled;
- ret = IIO_VAL_INT;
- break;
+ return IIO_VAL_INT;
default:
- break;
+ return -EINVAL;
}
- break;
- case IIO_CHAN_INFO_CALIBHEIGHT:
+ }
+ case IIO_CHAN_INFO_CALIBHEIGHT: {
+ guard(mutex)(&st->lock);
switch (chan->type) {
case IIO_STEPS:
*val = st->height;
- ret = IIO_VAL_INT;
- break;
+ return IIO_VAL_INT;
default:
- break;
+ return -EINVAL;
}
- break;
-
+ }
default:
- break;
+ return -EINVAL;
}
- mutex_unlock(&st->lock);
- return ret;
}
/**
@@ -426,7 +421,6 @@ static int iio_dummy_write_raw(struct iio_dev *indio_dev,
long mask)
{
int i;
- int ret = 0;
struct iio_dummy_state *st = iio_priv(indio_dev);
switch (mask) {
@@ -436,10 +430,10 @@ static int iio_dummy_write_raw(struct iio_dev *indio_dev,
if (chan->output == 0)
return -EINVAL;
- /* Locking not required as writing single value */
- mutex_lock(&st->lock);
- st->dac_val = val;
- mutex_unlock(&st->lock);
+ scoped_guard(mutex, &st->lock) {
+ /* Locking not required as writing single value */
+ st->dac_val = val;
+ }
return 0;
default:
return -EINVAL;
@@ -447,9 +441,9 @@ static int iio_dummy_write_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_PROCESSED:
switch (chan->type) {
case IIO_STEPS:
- mutex_lock(&st->lock);
- st->steps = val;
- mutex_unlock(&st->lock);
+ scoped_guard(mutex, &st->lock) {
+ st->steps = val;
+ }
return 0;
case IIO_ACTIVITY:
if (val < 0)
@@ -470,30 +464,29 @@ static int iio_dummy_write_raw(struct iio_dev *indio_dev,
default:
return -EINVAL;
}
- case IIO_CHAN_INFO_CALIBSCALE:
- mutex_lock(&st->lock);
+ case IIO_CHAN_INFO_CALIBSCALE: {
+ guard(mutex)(&st->lock);
/* Compare against table - hard matching here */
for (i = 0; i < ARRAY_SIZE(dummy_scales); i++)
if (val == dummy_scales[i].val &&
val2 == dummy_scales[i].val2)
break;
if (i == ARRAY_SIZE(dummy_scales))
- ret = -EINVAL;
- else
- st->accel_calibscale = &dummy_scales[i];
- mutex_unlock(&st->lock);
- return ret;
+ return -EINVAL;
+ st->accel_calibscale = &dummy_scales[i];
+ return 0;
+ }
case IIO_CHAN_INFO_CALIBBIAS:
- mutex_lock(&st->lock);
- st->accel_calibbias = val;
- mutex_unlock(&st->lock);
+ scoped_guard(mutex, &st->lock) {
+ st->accel_calibbias = val;
+ }
return 0;
case IIO_CHAN_INFO_ENABLE:
switch (chan->type) {
case IIO_STEPS:
- mutex_lock(&st->lock);
- st->steps_enabled = val;
- mutex_unlock(&st->lock);
+ scoped_guard(mutex, &st->lock) {
+ st->steps_enabled = val;
+ }
return 0;
default:
return -EINVAL;
--
GitLab
From eabc6b08476f18de5e0d7fc02aa92f4896f2fc63 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 28 Jan 2024 15:05:30 +0000
Subject: [PATCH 0468/2686] iio: accel: adxl367: Use automated cleanup for
locks and iio direct mode.
Switching to the iio_device_claim_direct_scoped() for state
and to guard() based unlocking of mutexes simplifies error handling
by allowing direct returns when an error is encountered.
Reviewed-by: Nuno Sa <nuno.a@analog.com>
Link: https://lore.kernel.org/r/20240128150537.44592-4-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/adxl367.c | 297 ++++++++++++++----------------------
1 file changed, 118 insertions(+), 179 deletions(-)
diff --git a/drivers/iio/accel/adxl367.c b/drivers/iio/accel/adxl367.c
index 90b7ae6d42b77..834ee6d639478 100644
--- a/drivers/iio/accel/adxl367.c
+++ b/drivers/iio/accel/adxl367.c
@@ -339,22 +339,17 @@ static int adxl367_set_act_threshold(struct adxl367_state *st,
{
int ret;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
ret = adxl367_set_measure_en(st, false);
if (ret)
- goto out;
+ return ret;
ret = _adxl367_set_act_threshold(st, act, threshold);
if (ret)
- goto out;
-
- ret = adxl367_set_measure_en(st, true);
-
-out:
- mutex_unlock(&st->lock);
+ return ret;
- return ret;
+ return adxl367_set_measure_en(st, true);
}
static int adxl367_set_act_proc_mode(struct adxl367_state *st,
@@ -482,51 +477,45 @@ static int adxl367_set_fifo_watermark(struct adxl367_state *st,
static int adxl367_set_range(struct iio_dev *indio_dev,
enum adxl367_range range)
{
- struct adxl367_state *st = iio_priv(indio_dev);
- int ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
+ struct adxl367_state *st = iio_priv(indio_dev);
+ int ret;
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
-
- mutex_lock(&st->lock);
-
- ret = adxl367_set_measure_en(st, false);
- if (ret)
- goto out;
+ guard(mutex)(&st->lock);
- ret = regmap_update_bits(st->regmap, ADXL367_REG_FILTER_CTL,
- ADXL367_FILTER_CTL_RANGE_MASK,
- FIELD_PREP(ADXL367_FILTER_CTL_RANGE_MASK,
- range));
- if (ret)
- goto out;
+ ret = adxl367_set_measure_en(st, false);
+ if (ret)
+ return ret;
- adxl367_scale_act_thresholds(st, st->range, range);
+ ret = regmap_update_bits(st->regmap, ADXL367_REG_FILTER_CTL,
+ ADXL367_FILTER_CTL_RANGE_MASK,
+ FIELD_PREP(ADXL367_FILTER_CTL_RANGE_MASK,
+ range));
+ if (ret)
+ return ret;
- /* Activity thresholds depend on range */
- ret = _adxl367_set_act_threshold(st, ADXL367_ACTIVITY,
- st->act_threshold);
- if (ret)
- goto out;
+ adxl367_scale_act_thresholds(st, st->range, range);
- ret = _adxl367_set_act_threshold(st, ADXL367_INACTIVITY,
- st->inact_threshold);
- if (ret)
- goto out;
-
- ret = adxl367_set_measure_en(st, true);
- if (ret)
- goto out;
+ /* Activity thresholds depend on range */
+ ret = _adxl367_set_act_threshold(st, ADXL367_ACTIVITY,
+ st->act_threshold);
+ if (ret)
+ return ret;
- st->range = range;
+ ret = _adxl367_set_act_threshold(st, ADXL367_INACTIVITY,
+ st->inact_threshold);
+ if (ret)
+ return ret;
-out:
- mutex_unlock(&st->lock);
+ ret = adxl367_set_measure_en(st, true);
+ if (ret)
+ return ret;
- iio_device_release_direct_mode(indio_dev);
+ st->range = range;
- return ret;
+ return 0;
+ }
+ unreachable();
}
static int adxl367_time_ms_to_samples(struct adxl367_state *st, unsigned int ms)
@@ -587,11 +576,11 @@ static int adxl367_set_act_time_ms(struct adxl367_state *st,
{
int ret;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
ret = adxl367_set_measure_en(st, false);
if (ret)
- goto out;
+ return ret;
if (act == ADXL367_ACTIVITY)
ret = _adxl367_set_act_time_ms(st, ms);
@@ -599,14 +588,9 @@ static int adxl367_set_act_time_ms(struct adxl367_state *st,
ret = _adxl367_set_inact_time_ms(st, ms);
if (ret)
- goto out;
-
- ret = adxl367_set_measure_en(st, true);
-
-out:
- mutex_unlock(&st->lock);
+ return ret;
- return ret;
+ return adxl367_set_measure_en(st, true);
}
static int _adxl367_set_odr(struct adxl367_state *st, enum adxl367_odr odr)
@@ -636,31 +620,23 @@ static int _adxl367_set_odr(struct adxl367_state *st, enum adxl367_odr odr)
static int adxl367_set_odr(struct iio_dev *indio_dev, enum adxl367_odr odr)
{
- struct adxl367_state *st = iio_priv(indio_dev);
- int ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
+ struct adxl367_state *st = iio_priv(indio_dev);;
+ int ret;
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
+ guard(mutex)(&st->lock);
- mutex_lock(&st->lock);
-
- ret = adxl367_set_measure_en(st, false);
- if (ret)
- goto out;
-
- ret = _adxl367_set_odr(st, odr);
- if (ret)
- goto out;
-
- ret = adxl367_set_measure_en(st, true);
-
-out:
- mutex_unlock(&st->lock);
+ ret = adxl367_set_measure_en(st, false);
+ if (ret)
+ return ret;
- iio_device_release_direct_mode(indio_dev);
+ ret = _adxl367_set_odr(st, odr);
+ if (ret)
+ return ret;
- return ret;
+ return adxl367_set_measure_en(st, true);
+ }
+ unreachable();
}
static int adxl367_set_temp_adc_en(struct adxl367_state *st, unsigned int reg,
@@ -749,36 +725,32 @@ static int adxl367_read_sample(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val)
{
- struct adxl367_state *st = iio_priv(indio_dev);
- u16 sample;
- int ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
+ struct adxl367_state *st = iio_priv(indio_dev);
+ u16 sample;
+ int ret;
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
+ guard(mutex)(&st->lock);
- mutex_lock(&st->lock);
-
- ret = adxl367_set_temp_adc_reg_en(st, chan->address, true);
- if (ret)
- goto out;
-
- ret = regmap_bulk_read(st->regmap, chan->address, &st->sample_buf,
- sizeof(st->sample_buf));
- if (ret)
- goto out;
-
- sample = FIELD_GET(ADXL367_DATA_MASK, be16_to_cpu(st->sample_buf));
- *val = sign_extend32(sample, chan->scan_type.realbits - 1);
+ ret = adxl367_set_temp_adc_reg_en(st, chan->address, true);
+ if (ret)
+ return ret;
- ret = adxl367_set_temp_adc_reg_en(st, chan->address, false);
+ ret = regmap_bulk_read(st->regmap, chan->address, &st->sample_buf,
+ sizeof(st->sample_buf));
+ if (ret)
+ return ret;
-out:
- mutex_unlock(&st->lock);
+ sample = FIELD_GET(ADXL367_DATA_MASK, be16_to_cpu(st->sample_buf));
+ *val = sign_extend32(sample, chan->scan_type.realbits - 1);
- iio_device_release_direct_mode(indio_dev);
+ ret = adxl367_set_temp_adc_reg_en(st, chan->address, false);
+ if (ret)
+ return ret;
- return ret ?: IIO_VAL_INT;
+ return IIO_VAL_INT;
+ }
+ unreachable();
}
static int adxl367_get_status(struct adxl367_state *st, u8 *status,
@@ -886,12 +858,12 @@ static int adxl367_read_raw(struct iio_dev *indio_dev,
return adxl367_read_sample(indio_dev, chan, val);
case IIO_CHAN_INFO_SCALE:
switch (chan->type) {
- case IIO_ACCEL:
- mutex_lock(&st->lock);
+ case IIO_ACCEL: {
+ guard(mutex)(&st->lock);
*val = adxl367_range_scale_tbl[st->range][0];
*val2 = adxl367_range_scale_tbl[st->range][1];
- mutex_unlock(&st->lock);
return IIO_VAL_INT_PLUS_NANO;
+ }
case IIO_TEMP:
*val = 1000;
*val2 = ADXL367_TEMP_PER_C;
@@ -914,12 +886,12 @@ static int adxl367_read_raw(struct iio_dev *indio_dev,
default:
return -EINVAL;
}
- case IIO_CHAN_INFO_SAMP_FREQ:
- mutex_lock(&st->lock);
+ case IIO_CHAN_INFO_SAMP_FREQ: {
+ guard(mutex)(&st->lock);
*val = adxl367_samp_freq_tbl[st->odr][0];
*val2 = adxl367_samp_freq_tbl[st->odr][1];
- mutex_unlock(&st->lock);
return IIO_VAL_INT_PLUS_MICRO;
+ }
default:
return -EINVAL;
}
@@ -1004,18 +976,15 @@ static int adxl367_read_event_value(struct iio_dev *indio_dev,
{
struct adxl367_state *st = iio_priv(indio_dev);
+ guard(mutex)(&st->lock);
switch (info) {
case IIO_EV_INFO_VALUE: {
switch (dir) {
case IIO_EV_DIR_RISING:
- mutex_lock(&st->lock);
*val = st->act_threshold;
- mutex_unlock(&st->lock);
return IIO_VAL_INT;
case IIO_EV_DIR_FALLING:
- mutex_lock(&st->lock);
*val = st->inact_threshold;
- mutex_unlock(&st->lock);
return IIO_VAL_INT;
default:
return -EINVAL;
@@ -1024,15 +993,11 @@ static int adxl367_read_event_value(struct iio_dev *indio_dev,
case IIO_EV_INFO_PERIOD:
switch (dir) {
case IIO_EV_DIR_RISING:
- mutex_lock(&st->lock);
*val = st->act_time_ms;
- mutex_unlock(&st->lock);
*val2 = 1000;
return IIO_VAL_FRACTIONAL;
case IIO_EV_DIR_FALLING:
- mutex_lock(&st->lock);
*val = st->inact_time_ms;
- mutex_unlock(&st->lock);
*val2 = 1000;
return IIO_VAL_FRACTIONAL;
default:
@@ -1110,9 +1075,7 @@ static int adxl367_write_event_config(struct iio_dev *indio_dev,
enum iio_event_direction dir,
int state)
{
- struct adxl367_state *st = iio_priv(indio_dev);
enum adxl367_activity_type act;
- int ret;
switch (dir) {
case IIO_EV_DIR_RISING:
@@ -1125,33 +1088,28 @@ static int adxl367_write_event_config(struct iio_dev *indio_dev,
return -EINVAL;
}
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
-
- mutex_lock(&st->lock);
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
+ struct adxl367_state *st = iio_priv(indio_dev);
+ int ret;
- ret = adxl367_set_measure_en(st, false);
- if (ret)
- goto out;
+ guard(mutex)(&st->lock);
- ret = adxl367_set_act_interrupt_en(st, act, state);
- if (ret)
- goto out;
-
- ret = adxl367_set_act_en(st, act, state ? ADCL367_ACT_REF_ENABLED
- : ADXL367_ACT_DISABLED);
- if (ret)
- goto out;
-
- ret = adxl367_set_measure_en(st, true);
+ ret = adxl367_set_measure_en(st, false);
+ if (ret)
+ return ret;
-out:
- mutex_unlock(&st->lock);
+ ret = adxl367_set_act_interrupt_en(st, act, state);
+ if (ret)
+ return ret;
- iio_device_release_direct_mode(indio_dev);
+ ret = adxl367_set_act_en(st, act, state ? ADCL367_ACT_REF_ENABLED
+ : ADXL367_ACT_DISABLED);
+ if (ret)
+ return ret;
- return ret;
+ return adxl367_set_measure_en(st, true);
+ }
+ unreachable();
}
static ssize_t adxl367_get_fifo_enabled(struct device *dev,
@@ -1176,9 +1134,8 @@ static ssize_t adxl367_get_fifo_watermark(struct device *dev,
struct adxl367_state *st = iio_priv(dev_to_iio_dev(dev));
unsigned int fifo_watermark;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
fifo_watermark = st->fifo_watermark;
- mutex_unlock(&st->lock);
return sysfs_emit(buf, "%d\n", fifo_watermark);
}
@@ -1207,22 +1164,17 @@ static int adxl367_set_watermark(struct iio_dev *indio_dev, unsigned int val)
if (val > ADXL367_FIFO_MAX_WATERMARK)
return -EINVAL;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
ret = adxl367_set_measure_en(st, false);
if (ret)
- goto out;
+ return ret;
ret = adxl367_set_fifo_watermark(st, val);
if (ret)
- goto out;
-
- ret = adxl367_set_measure_en(st, true);
-
-out:
- mutex_unlock(&st->lock);
+ return ret;
- return ret;
+ return adxl367_set_measure_en(st, true);
}
static bool adxl367_find_mask_fifo_format(const unsigned long *scan_mask,
@@ -1253,27 +1205,24 @@ static int adxl367_update_scan_mode(struct iio_dev *indio_dev,
if (!adxl367_find_mask_fifo_format(active_scan_mask, &fifo_format))
return -EINVAL;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
ret = adxl367_set_measure_en(st, false);
if (ret)
- goto out;
+ return ret;
ret = adxl367_set_fifo_format(st, fifo_format);
if (ret)
- goto out;
+ return ret;
ret = adxl367_set_measure_en(st, true);
if (ret)
- goto out;
+ return ret;
st->fifo_set_size = bitmap_weight(active_scan_mask,
indio_dev->masklength);
-out:
- mutex_unlock(&st->lock);
-
- return ret;
+ return 0;
}
static int adxl367_buffer_postenable(struct iio_dev *indio_dev)
@@ -1281,31 +1230,26 @@ static int adxl367_buffer_postenable(struct iio_dev *indio_dev)
struct adxl367_state *st = iio_priv(indio_dev);
int ret;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
ret = adxl367_set_temp_adc_mask_en(st, indio_dev->active_scan_mask,
true);
if (ret)
- goto out;
+ return ret;
ret = adxl367_set_measure_en(st, false);
if (ret)
- goto out;
+ return ret;
ret = adxl367_set_fifo_watermark_interrupt_en(st, true);
if (ret)
- goto out;
+ return ret;
ret = adxl367_set_fifo_mode(st, ADXL367_FIFO_MODE_STREAM);
if (ret)
- goto out;
-
- ret = adxl367_set_measure_en(st, true);
-
-out:
- mutex_unlock(&st->lock);
+ return ret;
- return ret;
+ return adxl367_set_measure_en(st, true);
}
static int adxl367_buffer_predisable(struct iio_dev *indio_dev)
@@ -1313,31 +1257,26 @@ static int adxl367_buffer_predisable(struct iio_dev *indio_dev)
struct adxl367_state *st = iio_priv(indio_dev);
int ret;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
ret = adxl367_set_measure_en(st, false);
if (ret)
- goto out;
+ return ret;
ret = adxl367_set_fifo_mode(st, ADXL367_FIFO_MODE_DISABLED);
if (ret)
- goto out;
+ return ret;
ret = adxl367_set_fifo_watermark_interrupt_en(st, false);
if (ret)
- goto out;
+ return ret;
ret = adxl367_set_measure_en(st, true);
if (ret)
- goto out;
-
- ret = adxl367_set_temp_adc_mask_en(st, indio_dev->active_scan_mask,
- false);
-
-out:
- mutex_unlock(&st->lock);
+ return ret;
- return ret;
+ return adxl367_set_temp_adc_mask_en(st, indio_dev->active_scan_mask,
+ false);
}
static const struct iio_buffer_setup_ops adxl367_buffer_ops = {
--
GitLab
From b6dde1092395088aff1263738c40233d04a7d897 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 28 Jan 2024 15:05:31 +0000
Subject: [PATCH 0469/2686] iio: imu: bmi323: Use cleanup handling for
iio_device_claim_direct_mode()
Similar to existing use of guard() in this driver,
iio_device_claim_direct_scoped() will ensure that scope based cleanup
occurs.
Reviewed-by: Nuno Sa <nuno.a@analog.com>
Link: https://lore.kernel.org/r/20240128150537.44592-5-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/imu/bmi323/bmi323_core.c | 78 +++++++++++-----------------
1 file changed, 31 insertions(+), 47 deletions(-)
diff --git a/drivers/iio/imu/bmi323/bmi323_core.c b/drivers/iio/imu/bmi323/bmi323_core.c
index 183af482828f8..5d42ab9b176a3 100644
--- a/drivers/iio/imu/bmi323/bmi323_core.c
+++ b/drivers/iio/imu/bmi323/bmi323_core.c
@@ -1668,52 +1668,41 @@ static int bmi323_write_raw(struct iio_dev *indio_dev,
int val2, long mask)
{
struct bmi323_data *data = iio_priv(indio_dev);
- int ret;
switch (mask) {
case IIO_CHAN_INFO_SAMP_FREQ:
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
-
- ret = bmi323_set_odr(data, bmi323_iio_to_sensor(chan->type),
- val, val2);
- iio_device_release_direct_mode(indio_dev);
- return ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev)
+ return bmi323_set_odr(data,
+ bmi323_iio_to_sensor(chan->type),
+ val, val2);
+ unreachable();
case IIO_CHAN_INFO_SCALE:
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
-
- ret = bmi323_set_scale(data, bmi323_iio_to_sensor(chan->type),
- val, val2);
- iio_device_release_direct_mode(indio_dev);
- return ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev)
+ return bmi323_set_scale(data,
+ bmi323_iio_to_sensor(chan->type),
+ val, val2);
+ unreachable();
case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
-
- ret = bmi323_set_average(data, bmi323_iio_to_sensor(chan->type),
- val);
-
- iio_device_release_direct_mode(indio_dev);
- return ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev)
+ return bmi323_set_average(data,
+ bmi323_iio_to_sensor(chan->type),
+ val);
+ unreachable();
case IIO_CHAN_INFO_ENABLE:
return bmi323_enable_steps(data, val);
- case IIO_CHAN_INFO_PROCESSED:
- scoped_guard(mutex, &data->mutex) {
- if (val || !FIELD_GET(BMI323_FEAT_IO0_STP_CNT_MSK,
- data->feature_events))
- return -EINVAL;
+ case IIO_CHAN_INFO_PROCESSED: {
+ guard(mutex)(&data->mutex);
- /* Clear step counter value */
- ret = bmi323_update_ext_reg(data, BMI323_STEP_SC1_REG,
- BMI323_STEP_SC1_RST_CNT_MSK,
- FIELD_PREP(BMI323_STEP_SC1_RST_CNT_MSK,
- 1));
- }
- return ret;
+ if (val || !FIELD_GET(BMI323_FEAT_IO0_STP_CNT_MSK,
+ data->feature_events))
+ return -EINVAL;
+
+ /* Clear step counter value */
+ return bmi323_update_ext_reg(data, BMI323_STEP_SC1_REG,
+ BMI323_STEP_SC1_RST_CNT_MSK,
+ FIELD_PREP(BMI323_STEP_SC1_RST_CNT_MSK,
+ 1));
+ }
default:
return -EINVAL;
}
@@ -1724,7 +1713,6 @@ static int bmi323_read_raw(struct iio_dev *indio_dev,
int *val2, long mask)
{
struct bmi323_data *data = iio_priv(indio_dev);
- int ret;
switch (mask) {
case IIO_CHAN_INFO_PROCESSED:
@@ -1733,14 +1721,10 @@ static int bmi323_read_raw(struct iio_dev *indio_dev,
switch (chan->type) {
case IIO_ACCEL:
case IIO_ANGL_VEL:
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
-
- ret = bmi323_read_axis(data, chan, val);
-
- iio_device_release_direct_mode(indio_dev);
- return ret;
+ iio_device_claim_direct_scoped(return -EBUSY,
+ indio_dev)
+ return bmi323_read_axis(data, chan, val);
+ unreachable();
case IIO_TEMP:
return bmi323_get_temp_data(data, val);
default:
--
GitLab
From 3d329bcd48699eb8b0af67f461af7442ac0fb730 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 28 Jan 2024 15:05:32 +0000
Subject: [PATCH 0470/2686] iio: adc: max1363: Use automatic cleanup for locks
and iio mode claiming.
This simplifies error return paths.
Reviewed-by: Nuno Sa <nuno.a@analog.com>
Link: https://lore.kernel.org/r/20240128150537.44592-6-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/max1363.c | 171 ++++++++++++++++++--------------------
1 file changed, 79 insertions(+), 92 deletions(-)
diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c
index 7c2a98b8c3a96..8b5bc96cb9fbf 100644
--- a/drivers/iio/adc/max1363.c
+++ b/drivers/iio/adc/max1363.c
@@ -357,62 +357,55 @@ static int max1363_read_single_chan(struct iio_dev *indio_dev,
int *val,
long m)
{
- int ret = 0;
- s32 data;
- u8 rxbuf[2];
- struct max1363_state *st = iio_priv(indio_dev);
- struct i2c_client *client = st->client;
-
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
- mutex_lock(&st->lock);
-
- /*
- * If monitor mode is enabled, the method for reading a single
- * channel will have to be rather different and has not yet
- * been implemented.
- *
- * Also, cannot read directly if buffered capture enabled.
- */
- if (st->monitor_on) {
- ret = -EBUSY;
- goto error_ret;
- }
-
- /* Check to see if current scan mode is correct */
- if (st->current_mode != &max1363_mode_table[chan->address]) {
- /* Update scan mode if needed */
- st->current_mode = &max1363_mode_table[chan->address];
- ret = max1363_set_scan_mode(st);
- if (ret < 0)
- goto error_ret;
- }
- if (st->chip_info->bits != 8) {
- /* Get reading */
- data = st->recv(client, rxbuf, 2);
- if (data < 0) {
- ret = data;
- goto error_ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
+ s32 data;
+ u8 rxbuf[2];
+ struct max1363_state *st = iio_priv(indio_dev);
+ struct i2c_client *client = st->client;
+
+ guard(mutex)(&st->lock);
+
+ /*
+ * If monitor mode is enabled, the method for reading a single
+ * channel will have to be rather different and has not yet
+ * been implemented.
+ *
+ * Also, cannot read directly if buffered capture enabled.
+ */
+ if (st->monitor_on)
+ return -EBUSY;
+
+ /* Check to see if current scan mode is correct */
+ if (st->current_mode != &max1363_mode_table[chan->address]) {
+ int ret;
+
+ /* Update scan mode if needed */
+ st->current_mode = &max1363_mode_table[chan->address];
+ ret = max1363_set_scan_mode(st);
+ if (ret < 0)
+ return ret;
}
- data = (rxbuf[1] | rxbuf[0] << 8) &
- ((1 << st->chip_info->bits) - 1);
- } else {
- /* Get reading */
- data = st->recv(client, rxbuf, 1);
- if (data < 0) {
- ret = data;
- goto error_ret;
+ if (st->chip_info->bits != 8) {
+ /* Get reading */
+ data = st->recv(client, rxbuf, 2);
+ if (data < 0)
+ return data;
+
+ data = (rxbuf[1] | rxbuf[0] << 8) &
+ ((1 << st->chip_info->bits) - 1);
+ } else {
+ /* Get reading */
+ data = st->recv(client, rxbuf, 1);
+ if (data < 0)
+ return data;
+
+ data = rxbuf[0];
}
- data = rxbuf[0];
- }
- *val = data;
-
-error_ret:
- mutex_unlock(&st->lock);
- iio_device_release_direct_mode(indio_dev);
- return ret;
+ *val = data;
+ return 0;
+ }
+ unreachable();
}
static int max1363_read_raw(struct iio_dev *indio_dev,
@@ -710,9 +703,8 @@ static ssize_t max1363_monitor_store_freq(struct device *dev,
if (!found)
return -EINVAL;
- mutex_lock(&st->lock);
- st->monitor_speed = i;
- mutex_unlock(&st->lock);
+ scoped_guard(mutex, &st->lock)
+ st->monitor_speed = i;
return 0;
}
@@ -815,12 +807,11 @@ static int max1363_read_event_config(struct iio_dev *indio_dev,
int val;
int number = chan->channel;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
if (dir == IIO_EV_DIR_FALLING)
val = (1 << number) & st->mask_low;
else
val = (1 << number) & st->mask_high;
- mutex_unlock(&st->lock);
return val;
}
@@ -962,46 +953,42 @@ static int max1363_write_event_config(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan, enum iio_event_type type,
enum iio_event_direction dir, int state)
{
- int ret = 0;
struct max1363_state *st = iio_priv(indio_dev);
- u16 unifiedmask;
- int number = chan->channel;
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
- mutex_lock(&st->lock);
-
- unifiedmask = st->mask_low | st->mask_high;
- if (dir == IIO_EV_DIR_FALLING) {
-
- if (state == 0)
- st->mask_low &= ~(1 << number);
- else {
- ret = __max1363_check_event_mask((1 << number),
- unifiedmask);
- if (ret)
- goto error_ret;
- st->mask_low |= (1 << number);
- }
- } else {
- if (state == 0)
- st->mask_high &= ~(1 << number);
- else {
- ret = __max1363_check_event_mask((1 << number),
- unifiedmask);
- if (ret)
- goto error_ret;
- st->mask_high |= (1 << number);
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
+ int number = chan->channel;
+ u16 unifiedmask;
+ int ret;
+
+ guard(mutex)(&st->lock);
+
+ unifiedmask = st->mask_low | st->mask_high;
+ if (dir == IIO_EV_DIR_FALLING) {
+
+ if (state == 0)
+ st->mask_low &= ~(1 << number);
+ else {
+ ret = __max1363_check_event_mask((1 << number),
+ unifiedmask);
+ if (ret)
+ return ret;
+ st->mask_low |= (1 << number);
+ }
+ } else {
+ if (state == 0)
+ st->mask_high &= ~(1 << number);
+ else {
+ ret = __max1363_check_event_mask((1 << number),
+ unifiedmask);
+ if (ret)
+ return ret;
+ st->mask_high |= (1 << number);
+ }
}
}
-
max1363_monitor_mode_update(st, !!(st->mask_high | st->mask_low));
-error_ret:
- mutex_unlock(&st->lock);
- iio_device_release_direct_mode(indio_dev);
- return ret;
+ return 0;
}
/*
--
GitLab
From fba730dd8ad14770a35400d61b09d1f5197c162a Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 28 Jan 2024 15:05:33 +0000
Subject: [PATCH 0471/2686] iio: proximity: sx9360: Use automated cleanup for
locks and IIO mode claiming.
This simplifies error handling paths and generallly removes a bunch
of boilerplate.
Reviewed-by: Nuno Sa <nuno.a@analog.com>
Link: https://lore.kernel.org/r/20240128150537.44592-7-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/proximity/sx9360.c | 115 +++++++++++----------------------
1 file changed, 39 insertions(+), 76 deletions(-)
diff --git a/drivers/iio/proximity/sx9360.c b/drivers/iio/proximity/sx9360.c
index 2c4e14a4fe9fb..75a1c29f14ebe 100644
--- a/drivers/iio/proximity/sx9360.c
+++ b/drivers/iio/proximity/sx9360.c
@@ -322,25 +322,16 @@ static int sx9360_read_raw(struct iio_dev *indio_dev,
int *val, int *val2, long mask)
{
struct sx_common_data *data = iio_priv(indio_dev);
- int ret;
switch (mask) {
case IIO_CHAN_INFO_RAW:
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
-
- ret = sx_common_read_proximity(data, chan, val);
- iio_device_release_direct_mode(indio_dev);
- return ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev)
+ return sx_common_read_proximity(data, chan, val);
+ unreachable();
case IIO_CHAN_INFO_HARDWAREGAIN:
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
-
- ret = sx9360_read_gain(data, chan, val);
- iio_device_release_direct_mode(indio_dev);
- return ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev)
+ return sx9360_read_gain(data, chan, val);
+ unreachable();
case IIO_CHAN_INFO_SAMP_FREQ:
return sx9360_read_samp_freq(data, val, val2);
default:
@@ -387,19 +378,15 @@ static int sx9360_read_avail(struct iio_dev *indio_dev,
static int sx9360_set_samp_freq(struct sx_common_data *data,
int val, int val2)
{
- int ret, reg;
+ int reg;
__be16 buf;
reg = val * 8192 / SX9360_FOSC_HZ + val2 * 8192 / (SX9360_FOSC_MHZ);
buf = cpu_to_be16(reg);
- mutex_lock(&data->mutex);
-
- ret = regmap_bulk_write(data->regmap, SX9360_REG_GNRL_CTRL1, &buf,
- sizeof(buf));
+ guard(mutex)(&data->mutex);
- mutex_unlock(&data->mutex);
-
- return ret;
+ return regmap_bulk_write(data->regmap, SX9360_REG_GNRL_CTRL1, &buf,
+ sizeof(buf));
}
static int sx9360_read_thresh(struct sx_common_data *data, int *val)
@@ -510,7 +497,6 @@ static int sx9360_read_event_val(struct iio_dev *indio_dev,
static int sx9360_write_thresh(struct sx_common_data *data, int _val)
{
unsigned int val = _val;
- int ret;
if (val >= 1)
val = int_sqrt(2 * val);
@@ -518,11 +504,8 @@ static int sx9360_write_thresh(struct sx_common_data *data, int _val)
if (val > 0xff)
return -EINVAL;
- mutex_lock(&data->mutex);
- ret = regmap_write(data->regmap, SX9360_REG_PROX_CTRL5, val);
- mutex_unlock(&data->mutex);
-
- return ret;
+ guard(mutex)(&data->mutex);
+ return regmap_write(data->regmap, SX9360_REG_PROX_CTRL5, val);
}
static int sx9360_write_hysteresis(struct sx_common_data *data, int _val)
@@ -546,18 +529,14 @@ static int sx9360_write_hysteresis(struct sx_common_data *data, int _val)
return -EINVAL;
hyst = FIELD_PREP(SX9360_REG_PROX_CTRL4_HYST_MASK, hyst);
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, SX9360_REG_PROX_CTRL4,
- SX9360_REG_PROX_CTRL4_HYST_MASK, hyst);
- mutex_unlock(&data->mutex);
-
- return ret;
+ guard(mutex)(&data->mutex);
+ return regmap_update_bits(data->regmap, SX9360_REG_PROX_CTRL4,
+ SX9360_REG_PROX_CTRL4_HYST_MASK, hyst);
}
static int sx9360_write_far_debounce(struct sx_common_data *data, int _val)
{
unsigned int regval, val = _val;
- int ret;
if (val > 0)
val = ilog2(val);
@@ -566,19 +545,15 @@ static int sx9360_write_far_debounce(struct sx_common_data *data, int _val)
regval = FIELD_PREP(SX9360_REG_PROX_CTRL4_FAR_DEBOUNCE_MASK, val);
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, SX9360_REG_PROX_CTRL4,
- SX9360_REG_PROX_CTRL4_FAR_DEBOUNCE_MASK,
- regval);
- mutex_unlock(&data->mutex);
-
- return ret;
+ guard(mutex)(&data->mutex);
+ return regmap_update_bits(data->regmap, SX9360_REG_PROX_CTRL4,
+ SX9360_REG_PROX_CTRL4_FAR_DEBOUNCE_MASK,
+ regval);
}
static int sx9360_write_close_debounce(struct sx_common_data *data, int _val)
{
unsigned int regval, val = _val;
- int ret;
if (val > 0)
val = ilog2(val);
@@ -587,13 +562,10 @@ static int sx9360_write_close_debounce(struct sx_common_data *data, int _val)
regval = FIELD_PREP(SX9360_REG_PROX_CTRL4_CLOSE_DEBOUNCE_MASK, val);
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, SX9360_REG_PROX_CTRL4,
- SX9360_REG_PROX_CTRL4_CLOSE_DEBOUNCE_MASK,
- regval);
- mutex_unlock(&data->mutex);
-
- return ret;
+ guard(mutex)(&data->mutex);
+ return regmap_update_bits(data->regmap, SX9360_REG_PROX_CTRL4,
+ SX9360_REG_PROX_CTRL4_CLOSE_DEBOUNCE_MASK,
+ regval);
}
static int sx9360_write_event_val(struct iio_dev *indio_dev,
@@ -630,19 +602,15 @@ static int sx9360_write_gain(struct sx_common_data *data,
const struct iio_chan_spec *chan, int val)
{
unsigned int gain, reg;
- int ret;
gain = ilog2(val);
reg = SX9360_REG_PROX_CTRL0_PHR + chan->channel;
gain = FIELD_PREP(SX9360_REG_PROX_CTRL0_GAIN_MASK, gain);
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, reg,
- SX9360_REG_PROX_CTRL0_GAIN_MASK,
- gain);
- mutex_unlock(&data->mutex);
-
- return ret;
+ guard(mutex)(&data->mutex);
+ return regmap_update_bits(data->regmap, reg,
+ SX9360_REG_PROX_CTRL0_GAIN_MASK,
+ gain);
}
static int sx9360_write_raw(struct iio_dev *indio_dev,
@@ -827,36 +795,31 @@ static int sx9360_suspend(struct device *dev)
disable_irq_nosync(data->client->irq);
- mutex_lock(&data->mutex);
+ guard(mutex)(&data->mutex);
ret = regmap_read(data->regmap, SX9360_REG_GNRL_CTRL0, ®val);
+ if (ret < 0)
+ return ret;
data->suspend_ctrl =
FIELD_GET(SX9360_REG_GNRL_CTRL0_PHEN_MASK, regval);
- if (ret < 0)
- goto out;
/* Disable all phases, send the device to sleep. */
- ret = regmap_write(data->regmap, SX9360_REG_GNRL_CTRL0, 0);
-
-out:
- mutex_unlock(&data->mutex);
- return ret;
+ return regmap_write(data->regmap, SX9360_REG_GNRL_CTRL0, 0);
}
static int sx9360_resume(struct device *dev)
{
struct sx_common_data *data = iio_priv(dev_get_drvdata(dev));
- int ret;
-
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, SX9360_REG_GNRL_CTRL0,
- SX9360_REG_GNRL_CTRL0_PHEN_MASK,
- data->suspend_ctrl);
- mutex_unlock(&data->mutex);
- if (ret)
- return ret;
+ scoped_guard(mutex, &data->mutex) {
+ int ret = regmap_update_bits(data->regmap,
+ SX9360_REG_GNRL_CTRL0,
+ SX9360_REG_GNRL_CTRL0_PHEN_MASK,
+ data->suspend_ctrl);
+ if (ret)
+ return ret;
+ }
enable_irq(data->client->irq);
return 0;
}
--
GitLab
From d62f68c13f3151e33a3d13cd94ba42f474dc3cce Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 28 Jan 2024 15:05:34 +0000
Subject: [PATCH 0472/2686] iio: proximity: sx9324: Use automated cleanup for
locks and IIO mode claiming.
This simplifies error handling paths and generallly removes a bunch
of boilerplate.
Reviewed-by: Nuno Sa <nuno.a@analog.com>
Link: https://lore.kernel.org/r/20240128150537.44592-8-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/proximity/sx9324.c | 109 ++++++++++++---------------------
1 file changed, 39 insertions(+), 70 deletions(-)
diff --git a/drivers/iio/proximity/sx9324.c b/drivers/iio/proximity/sx9324.c
index b0403fc7906ba..aa0d14a49d5e0 100644
--- a/drivers/iio/proximity/sx9324.c
+++ b/drivers/iio/proximity/sx9324.c
@@ -429,25 +429,16 @@ static int sx9324_read_raw(struct iio_dev *indio_dev,
int *val, int *val2, long mask)
{
struct sx_common_data *data = iio_priv(indio_dev);
- int ret;
switch (mask) {
case IIO_CHAN_INFO_RAW:
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
-
- ret = sx_common_read_proximity(data, chan, val);
- iio_device_release_direct_mode(indio_dev);
- return ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev)
+ return sx_common_read_proximity(data, chan, val);
+ unreachable();
case IIO_CHAN_INFO_HARDWAREGAIN:
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
-
- ret = sx9324_read_gain(data, chan, val);
- iio_device_release_direct_mode(indio_dev);
- return ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev)
+ return sx9324_read_gain(data, chan, val);
+ unreachable();
case IIO_CHAN_INFO_SAMP_FREQ:
return sx9324_read_samp_freq(data, val, val2);
default:
@@ -484,7 +475,7 @@ static int sx9324_read_avail(struct iio_dev *indio_dev,
static int sx9324_set_samp_freq(struct sx_common_data *data,
int val, int val2)
{
- int i, ret;
+ int i;
for (i = 0; i < ARRAY_SIZE(sx9324_samp_freq_table); i++)
if (val == sx9324_samp_freq_table[i].val &&
@@ -494,15 +485,11 @@ static int sx9324_set_samp_freq(struct sx_common_data *data,
if (i == ARRAY_SIZE(sx9324_samp_freq_table))
return -EINVAL;
- mutex_lock(&data->mutex);
-
- ret = regmap_update_bits(data->regmap,
- SX9324_REG_GNRL_CTRL0,
- SX9324_REG_GNRL_CTRL0_SCANPERIOD_MASK, i);
+ guard(mutex)(&data->mutex);
- mutex_unlock(&data->mutex);
-
- return ret;
+ return regmap_update_bits(data->regmap,
+ SX9324_REG_GNRL_CTRL0,
+ SX9324_REG_GNRL_CTRL0_SCANPERIOD_MASK, i);
}
static int sx9324_read_thresh(struct sx_common_data *data,
@@ -623,7 +610,6 @@ static int sx9324_write_thresh(struct sx_common_data *data,
const struct iio_chan_spec *chan, int _val)
{
unsigned int reg, val = _val;
- int ret;
reg = SX9324_REG_PROX_CTRL6 + chan->channel / 2;
@@ -633,11 +619,9 @@ static int sx9324_write_thresh(struct sx_common_data *data,
if (val > 0xff)
return -EINVAL;
- mutex_lock(&data->mutex);
- ret = regmap_write(data->regmap, reg, val);
- mutex_unlock(&data->mutex);
+ guard(mutex)(&data->mutex);
- return ret;
+ return regmap_write(data->regmap, reg, val);
}
static int sx9324_write_hysteresis(struct sx_common_data *data,
@@ -662,18 +646,15 @@ static int sx9324_write_hysteresis(struct sx_common_data *data,
return -EINVAL;
hyst = FIELD_PREP(SX9324_REG_PROX_CTRL5_HYST_MASK, hyst);
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, SX9324_REG_PROX_CTRL5,
- SX9324_REG_PROX_CTRL5_HYST_MASK, hyst);
- mutex_unlock(&data->mutex);
+ guard(mutex)(&data->mutex);
- return ret;
+ return regmap_update_bits(data->regmap, SX9324_REG_PROX_CTRL5,
+ SX9324_REG_PROX_CTRL5_HYST_MASK, hyst);
}
static int sx9324_write_far_debounce(struct sx_common_data *data, int _val)
{
unsigned int regval, val = _val;
- int ret;
if (val > 0)
val = ilog2(val);
@@ -682,19 +663,16 @@ static int sx9324_write_far_debounce(struct sx_common_data *data, int _val)
regval = FIELD_PREP(SX9324_REG_PROX_CTRL5_FAR_DEBOUNCE_MASK, val);
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, SX9324_REG_PROX_CTRL5,
- SX9324_REG_PROX_CTRL5_FAR_DEBOUNCE_MASK,
- regval);
- mutex_unlock(&data->mutex);
+ guard(mutex)(&data->mutex);
- return ret;
+ return regmap_update_bits(data->regmap, SX9324_REG_PROX_CTRL5,
+ SX9324_REG_PROX_CTRL5_FAR_DEBOUNCE_MASK,
+ regval);
}
static int sx9324_write_close_debounce(struct sx_common_data *data, int _val)
{
unsigned int regval, val = _val;
- int ret;
if (val > 0)
val = ilog2(val);
@@ -703,13 +681,11 @@ static int sx9324_write_close_debounce(struct sx_common_data *data, int _val)
regval = FIELD_PREP(SX9324_REG_PROX_CTRL5_CLOSE_DEBOUNCE_MASK, val);
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, SX9324_REG_PROX_CTRL5,
- SX9324_REG_PROX_CTRL5_CLOSE_DEBOUNCE_MASK,
- regval);
- mutex_unlock(&data->mutex);
+ guard(mutex)(&data->mutex);
- return ret;
+ return regmap_update_bits(data->regmap, SX9324_REG_PROX_CTRL5,
+ SX9324_REG_PROX_CTRL5_CLOSE_DEBOUNCE_MASK,
+ regval);
}
static int sx9324_write_event_val(struct iio_dev *indio_dev,
@@ -746,7 +722,6 @@ static int sx9324_write_gain(struct sx_common_data *data,
const struct iio_chan_spec *chan, int val)
{
unsigned int gain, reg;
- int ret;
reg = SX9324_REG_PROX_CTRL0 + chan->channel / 2;
@@ -756,13 +731,11 @@ static int sx9324_write_gain(struct sx_common_data *data,
gain = FIELD_PREP(SX9324_REG_PROX_CTRL0_GAIN_MASK, gain);
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, reg,
- SX9324_REG_PROX_CTRL0_GAIN_MASK,
- gain);
- mutex_unlock(&data->mutex);
+ guard(mutex)(&data->mutex);
- return ret;
+ return regmap_update_bits(data->regmap, reg,
+ SX9324_REG_PROX_CTRL0_GAIN_MASK,
+ gain);
}
static int sx9324_write_raw(struct iio_dev *indio_dev,
@@ -1092,34 +1065,30 @@ static int sx9324_suspend(struct device *dev)
disable_irq_nosync(data->client->irq);
- mutex_lock(&data->mutex);
+ guard(mutex)(&data->mutex);
ret = regmap_read(data->regmap, SX9324_REG_GNRL_CTRL1, ®val);
+ if (ret < 0)
+ return ret;
data->suspend_ctrl =
FIELD_GET(SX9324_REG_GNRL_CTRL1_PHEN_MASK, regval);
- if (ret < 0)
- goto out;
/* Disable all phases, send the device to sleep. */
- ret = regmap_write(data->regmap, SX9324_REG_GNRL_CTRL1, 0);
-
-out:
- mutex_unlock(&data->mutex);
- return ret;
+ return regmap_write(data->regmap, SX9324_REG_GNRL_CTRL1, 0);
}
static int sx9324_resume(struct device *dev)
{
struct sx_common_data *data = iio_priv(dev_get_drvdata(dev));
- int ret;
- mutex_lock(&data->mutex);
- ret = regmap_write(data->regmap, SX9324_REG_GNRL_CTRL1,
- data->suspend_ctrl | SX9324_REG_GNRL_CTRL1_PAUSECTRL);
- mutex_unlock(&data->mutex);
- if (ret)
- return ret;
+ scoped_guard(mutex, &data->mutex) {
+ int ret = regmap_write(data->regmap, SX9324_REG_GNRL_CTRL1,
+ data->suspend_ctrl |
+ SX9324_REG_GNRL_CTRL1_PAUSECTRL);
+ if (ret)
+ return ret;
+ }
enable_irq(data->client->irq);
return 0;
--
GitLab
From fb1f19713d4134436398c9201460cba204a6fb51 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 28 Jan 2024 15:05:35 +0000
Subject: [PATCH 0473/2686] iio: proximity: sx9310: Use automated cleanup for
locks and IIO mode claiming.
This simplifies error handling paths and generallly removes a bunch
of boilerplate.
Reviewed-by: Nuno Sa <nuno.a@analog.com>
Link: https://lore.kernel.org/r/20240128150537.44592-9-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/proximity/sx9310.c | 114 +++++++++++----------------------
1 file changed, 39 insertions(+), 75 deletions(-)
diff --git a/drivers/iio/proximity/sx9310.c b/drivers/iio/proximity/sx9310.c
index 0d230a0dff567..427c9343d6d16 100644
--- a/drivers/iio/proximity/sx9310.c
+++ b/drivers/iio/proximity/sx9310.c
@@ -337,28 +337,19 @@ static int sx9310_read_raw(struct iio_dev *indio_dev,
int *val2, long mask)
{
struct sx_common_data *data = iio_priv(indio_dev);
- int ret;
if (chan->type != IIO_PROXIMITY)
return -EINVAL;
switch (mask) {
case IIO_CHAN_INFO_RAW:
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
-
- ret = sx_common_read_proximity(data, chan, val);
- iio_device_release_direct_mode(indio_dev);
- return ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev)
+ return sx_common_read_proximity(data, chan, val);
+ unreachable();
case IIO_CHAN_INFO_HARDWAREGAIN:
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
-
- ret = sx9310_read_gain(data, chan, val);
- iio_device_release_direct_mode(indio_dev);
- return ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev)
+ return sx9310_read_gain(data, chan, val);
+ unreachable();
case IIO_CHAN_INFO_SAMP_FREQ:
return sx9310_read_samp_freq(data, val, val2);
default:
@@ -546,12 +537,10 @@ static int sx9310_write_thresh(struct sx_common_data *data,
return -EINVAL;
regval = FIELD_PREP(SX9310_REG_PROX_CTRL8_9_PTHRESH_MASK, regval);
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, reg,
- SX9310_REG_PROX_CTRL8_9_PTHRESH_MASK, regval);
- mutex_unlock(&data->mutex);
- return ret;
+ guard(mutex)(&data->mutex);
+ return regmap_update_bits(data->regmap, reg,
+ SX9310_REG_PROX_CTRL8_9_PTHRESH_MASK, regval);
}
static int sx9310_write_hysteresis(struct sx_common_data *data,
@@ -576,17 +565,14 @@ static int sx9310_write_hysteresis(struct sx_common_data *data,
return -EINVAL;
hyst = FIELD_PREP(SX9310_REG_PROX_CTRL10_HYST_MASK, hyst);
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, SX9310_REG_PROX_CTRL10,
- SX9310_REG_PROX_CTRL10_HYST_MASK, hyst);
- mutex_unlock(&data->mutex);
- return ret;
+ guard(mutex)(&data->mutex);
+ return regmap_update_bits(data->regmap, SX9310_REG_PROX_CTRL10,
+ SX9310_REG_PROX_CTRL10_HYST_MASK, hyst);
}
static int sx9310_write_far_debounce(struct sx_common_data *data, int val)
{
- int ret;
unsigned int regval;
if (val > 0)
@@ -596,18 +582,14 @@ static int sx9310_write_far_debounce(struct sx_common_data *data, int val)
regval = FIELD_PREP(SX9310_REG_PROX_CTRL10_FAR_DEBOUNCE_MASK, val);
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, SX9310_REG_PROX_CTRL10,
- SX9310_REG_PROX_CTRL10_FAR_DEBOUNCE_MASK,
- regval);
- mutex_unlock(&data->mutex);
-
- return ret;
+ guard(mutex)(&data->mutex);
+ return regmap_update_bits(data->regmap, SX9310_REG_PROX_CTRL10,
+ SX9310_REG_PROX_CTRL10_FAR_DEBOUNCE_MASK,
+ regval);
}
static int sx9310_write_close_debounce(struct sx_common_data *data, int val)
{
- int ret;
unsigned int regval;
if (val > 0)
@@ -617,13 +599,10 @@ static int sx9310_write_close_debounce(struct sx_common_data *data, int val)
regval = FIELD_PREP(SX9310_REG_PROX_CTRL10_CLOSE_DEBOUNCE_MASK, val);
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, SX9310_REG_PROX_CTRL10,
- SX9310_REG_PROX_CTRL10_CLOSE_DEBOUNCE_MASK,
- regval);
- mutex_unlock(&data->mutex);
-
- return ret;
+ guard(mutex)(&data->mutex);
+ return regmap_update_bits(data->regmap, SX9310_REG_PROX_CTRL10,
+ SX9310_REG_PROX_CTRL10_CLOSE_DEBOUNCE_MASK,
+ regval);
}
static int sx9310_write_event_val(struct iio_dev *indio_dev,
@@ -658,7 +637,7 @@ static int sx9310_write_event_val(struct iio_dev *indio_dev,
static int sx9310_set_samp_freq(struct sx_common_data *data, int val, int val2)
{
- int i, ret;
+ int i;
for (i = 0; i < ARRAY_SIZE(sx9310_samp_freq_table); i++)
if (val == sx9310_samp_freq_table[i].val &&
@@ -668,23 +647,17 @@ static int sx9310_set_samp_freq(struct sx_common_data *data, int val, int val2)
if (i == ARRAY_SIZE(sx9310_samp_freq_table))
return -EINVAL;
- mutex_lock(&data->mutex);
-
- ret = regmap_update_bits(
+ guard(mutex)(&data->mutex);
+ return regmap_update_bits(
data->regmap, SX9310_REG_PROX_CTRL0,
SX9310_REG_PROX_CTRL0_SCANPERIOD_MASK,
FIELD_PREP(SX9310_REG_PROX_CTRL0_SCANPERIOD_MASK, i));
-
- mutex_unlock(&data->mutex);
-
- return ret;
}
static int sx9310_write_gain(struct sx_common_data *data,
const struct iio_chan_spec *chan, int val)
{
unsigned int gain, mask;
- int ret;
gain = ilog2(val);
@@ -703,12 +676,9 @@ static int sx9310_write_gain(struct sx_common_data *data,
return -EINVAL;
}
- mutex_lock(&data->mutex);
- ret = regmap_update_bits(data->regmap, SX9310_REG_PROX_CTRL3, mask,
- gain);
- mutex_unlock(&data->mutex);
-
- return ret;
+ guard(mutex)(&data->mutex);
+ return regmap_update_bits(data->regmap, SX9310_REG_PROX_CTRL3, mask,
+ gain);
}
static int sx9310_write_raw(struct iio_dev *indio_dev,
@@ -969,22 +939,18 @@ static int sx9310_suspend(struct device *dev)
disable_irq_nosync(data->client->irq);
- mutex_lock(&data->mutex);
+ guard(mutex)(&data->mutex);
ret = regmap_read(data->regmap, SX9310_REG_PROX_CTRL0,
&data->suspend_ctrl);
if (ret)
- goto out;
+ return ret;
ctrl0 = data->suspend_ctrl & ~SX9310_REG_PROX_CTRL0_SENSOREN_MASK;
ret = regmap_write(data->regmap, SX9310_REG_PROX_CTRL0, ctrl0);
if (ret)
- goto out;
-
- ret = regmap_write(data->regmap, SX9310_REG_PAUSE, 0);
+ return ret;
-out:
- mutex_unlock(&data->mutex);
- return ret;
+ return regmap_write(data->regmap, SX9310_REG_PAUSE, 0);
}
static int sx9310_resume(struct device *dev)
@@ -992,18 +958,16 @@ static int sx9310_resume(struct device *dev)
struct sx_common_data *data = iio_priv(dev_get_drvdata(dev));
int ret;
- mutex_lock(&data->mutex);
- ret = regmap_write(data->regmap, SX9310_REG_PAUSE, 1);
- if (ret)
- goto out;
-
- ret = regmap_write(data->regmap, SX9310_REG_PROX_CTRL0,
- data->suspend_ctrl);
+ scoped_guard(mutex, &data->mutex) {
+ ret = regmap_write(data->regmap, SX9310_REG_PAUSE, 1);
+ if (ret)
+ return ret;
-out:
- mutex_unlock(&data->mutex);
- if (ret)
- return ret;
+ ret = regmap_write(data->regmap, SX9310_REG_PROX_CTRL0,
+ data->suspend_ctrl);
+ if (ret)
+ return ret;
+ }
enable_irq(data->client->irq);
return 0;
--
GitLab
From 1fa220ec61ffbcf4aec524c3b477f362d40e918b Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 28 Jan 2024 15:05:36 +0000
Subject: [PATCH 0474/2686] iio: adc: ad4130: Use automatic cleanup of locks
and direct mode.
Reduces boilerplate and allows for simpler to follow direct returns.
Reviewed-by: Nuno Sa <nuno.a@analog.com>
Link: https://lore.kernel.org/r/20240128150537.44592-10-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/ad4130.c | 131 ++++++++++++++++-----------------------
1 file changed, 52 insertions(+), 79 deletions(-)
diff --git a/drivers/iio/adc/ad4130.c b/drivers/iio/adc/ad4130.c
index feb86fe6c422d..53e19a8631986 100644
--- a/drivers/iio/adc/ad4130.c
+++ b/drivers/iio/adc/ad4130.c
@@ -887,9 +887,9 @@ static int ad4130_set_filter_mode(struct iio_dev *indio_dev,
unsigned int old_fs;
int ret = 0;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
if (setup_info->filter_mode == val)
- goto out;
+ return 0;
old_fs = setup_info->fs;
old_filter_mode = setup_info->filter_mode;
@@ -911,12 +911,10 @@ static int ad4130_set_filter_mode(struct iio_dev *indio_dev,
if (ret) {
setup_info->fs = old_fs;
setup_info->filter_mode = old_filter_mode;
+ return ret;
}
- out:
- mutex_unlock(&st->lock);
-
- return ret;
+ return 0;
}
static int ad4130_get_filter_mode(struct iio_dev *indio_dev,
@@ -927,9 +925,8 @@ static int ad4130_get_filter_mode(struct iio_dev *indio_dev,
struct ad4130_setup_info *setup_info = &st->chans_info[channel].setup;
enum ad4130_filter_mode filter_mode;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
filter_mode = setup_info->filter_mode;
- mutex_unlock(&st->lock);
return filter_mode;
}
@@ -971,7 +968,7 @@ static int ad4130_set_channel_pga(struct ad4130_state *st, unsigned int channel,
struct ad4130_chan_info *chan_info = &st->chans_info[channel];
struct ad4130_setup_info *setup_info = &chan_info->setup;
unsigned int pga, old_pga;
- int ret = 0;
+ int ret;
for (pga = 0; pga < AD4130_MAX_PGA; pga++)
if (val == st->scale_tbls[setup_info->ref_sel][pga][0] &&
@@ -981,21 +978,20 @@ static int ad4130_set_channel_pga(struct ad4130_state *st, unsigned int channel,
if (pga == AD4130_MAX_PGA)
return -EINVAL;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
if (pga == setup_info->pga)
- goto out;
+ return 0;
old_pga = setup_info->pga;
setup_info->pga = pga;
ret = ad4130_write_channel_setup(st, channel, false);
- if (ret)
+ if (ret) {
setup_info->pga = old_pga;
+ return ret;
+ }
-out:
- mutex_unlock(&st->lock);
-
- return ret;
+ return 0;
}
static int ad4130_set_channel_freq(struct ad4130_state *st,
@@ -1004,26 +1000,25 @@ static int ad4130_set_channel_freq(struct ad4130_state *st,
struct ad4130_chan_info *chan_info = &st->chans_info[channel];
struct ad4130_setup_info *setup_info = &chan_info->setup;
unsigned int fs, old_fs;
- int ret = 0;
+ int ret;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
old_fs = setup_info->fs;
ad4130_freq_to_fs(setup_info->filter_mode, val, val2, &fs);
if (fs == setup_info->fs)
- goto out;
+ return 0;
setup_info->fs = fs;
ret = ad4130_write_channel_setup(st, channel, false);
- if (ret)
+ if (ret) {
setup_info->fs = old_fs;
+ return ret;
+ }
-out:
- mutex_unlock(&st->lock);
-
- return ret;
+ return 0;
}
static int _ad4130_read_sample(struct iio_dev *indio_dev, unsigned int channel,
@@ -1065,20 +1060,13 @@ static int _ad4130_read_sample(struct iio_dev *indio_dev, unsigned int channel,
static int ad4130_read_sample(struct iio_dev *indio_dev, unsigned int channel,
int *val)
{
- struct ad4130_state *st = iio_priv(indio_dev);
- int ret;
-
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
+ struct ad4130_state *st = iio_priv(indio_dev);
- mutex_lock(&st->lock);
- ret = _ad4130_read_sample(indio_dev, channel, val);
- mutex_unlock(&st->lock);
-
- iio_device_release_direct_mode(indio_dev);
-
- return ret;
+ guard(mutex)(&st->lock);
+ return _ad4130_read_sample(indio_dev, channel, val);
+ }
+ unreachable();
}
static int ad4130_read_raw(struct iio_dev *indio_dev,
@@ -1092,24 +1080,24 @@ static int ad4130_read_raw(struct iio_dev *indio_dev,
switch (info) {
case IIO_CHAN_INFO_RAW:
return ad4130_read_sample(indio_dev, channel, val);
- case IIO_CHAN_INFO_SCALE:
- mutex_lock(&st->lock);
+ case IIO_CHAN_INFO_SCALE: {
+ guard(mutex)(&st->lock);
*val = st->scale_tbls[setup_info->ref_sel][setup_info->pga][0];
*val2 = st->scale_tbls[setup_info->ref_sel][setup_info->pga][1];
- mutex_unlock(&st->lock);
return IIO_VAL_INT_PLUS_NANO;
+ }
case IIO_CHAN_INFO_OFFSET:
*val = st->bipolar ? -BIT(chan->scan_type.realbits - 1) : 0;
return IIO_VAL_INT;
- case IIO_CHAN_INFO_SAMP_FREQ:
- mutex_lock(&st->lock);
+ case IIO_CHAN_INFO_SAMP_FREQ: {
+ guard(mutex)(&st->lock);
ad4130_fs_to_freq(setup_info->filter_mode, setup_info->fs,
val, val2);
- mutex_unlock(&st->lock);
return IIO_VAL_INT_PLUS_NANO;
+ }
default:
return -EINVAL;
}
@@ -1134,9 +1122,9 @@ static int ad4130_read_avail(struct iio_dev *indio_dev,
return IIO_AVAIL_LIST;
case IIO_CHAN_INFO_SAMP_FREQ:
- mutex_lock(&st->lock);
- filter_config = &ad4130_filter_configs[setup_info->filter_mode];
- mutex_unlock(&st->lock);
+ scoped_guard(mutex, &st->lock) {
+ filter_config = &ad4130_filter_configs[setup_info->filter_mode];
+ }
*vals = (int *)filter_config->samp_freq_avail;
*length = filter_config->samp_freq_avail_len * 2;
@@ -1197,21 +1185,18 @@ static int ad4130_update_scan_mode(struct iio_dev *indio_dev,
unsigned int val = 0;
int ret;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
for_each_set_bit(channel, scan_mask, indio_dev->num_channels) {
ret = ad4130_set_channel_enable(st, channel, true);
if (ret)
- goto out;
+ return ret;
val++;
}
st->num_enabled_channels = val;
-out:
- mutex_unlock(&st->lock);
-
return 0;
}
@@ -1232,22 +1217,19 @@ static int ad4130_set_fifo_watermark(struct iio_dev *indio_dev, unsigned int val
*/
eff = rounddown(AD4130_FIFO_SIZE, st->num_enabled_channels);
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
ret = regmap_update_bits(st->regmap, AD4130_FIFO_CONTROL_REG,
AD4130_FIFO_CONTROL_WM_MASK,
FIELD_PREP(AD4130_FIFO_CONTROL_WM_MASK,
ad4130_watermark_reg_val(eff)));
if (ret)
- goto out;
+ return ret;
st->effective_watermark = eff;
st->watermark = val;
-out:
- mutex_unlock(&st->lock);
-
- return ret;
+ return 0;
}
static const struct iio_info ad4130_info = {
@@ -1265,26 +1247,21 @@ static int ad4130_buffer_postenable(struct iio_dev *indio_dev)
struct ad4130_state *st = iio_priv(indio_dev);
int ret;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
ret = ad4130_set_watermark_interrupt_en(st, true);
if (ret)
- goto out;
+ return ret;
ret = irq_set_irq_type(st->spi->irq, st->inv_irq_trigger);
if (ret)
- goto out;
+ return ret;
ret = ad4130_set_fifo_mode(st, AD4130_FIFO_MODE_WM);
if (ret)
- goto out;
-
- ret = ad4130_set_mode(st, AD4130_MODE_CONTINUOUS);
-
-out:
- mutex_unlock(&st->lock);
+ return ret;
- return ret;
+ return ad4130_set_mode(st, AD4130_MODE_CONTINUOUS);
}
static int ad4130_buffer_predisable(struct iio_dev *indio_dev)
@@ -1293,23 +1270,23 @@ static int ad4130_buffer_predisable(struct iio_dev *indio_dev)
unsigned int i;
int ret;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
ret = ad4130_set_mode(st, AD4130_MODE_IDLE);
if (ret)
- goto out;
+ return ret;
ret = irq_set_irq_type(st->spi->irq, st->irq_trigger);
if (ret)
- goto out;
+ return ret;
ret = ad4130_set_fifo_mode(st, AD4130_FIFO_MODE_DISABLED);
if (ret)
- goto out;
+ return ret;
ret = ad4130_set_watermark_interrupt_en(st, false);
if (ret)
- goto out;
+ return ret;
/*
* update_scan_mode() is not called in the disable path, disable all
@@ -1318,13 +1295,10 @@ static int ad4130_buffer_predisable(struct iio_dev *indio_dev)
for (i = 0; i < indio_dev->num_channels; i++) {
ret = ad4130_set_channel_enable(st, i, false);
if (ret)
- goto out;
+ return ret;
}
-out:
- mutex_unlock(&st->lock);
-
- return ret;
+ return 0;
}
static const struct iio_buffer_setup_ops ad4130_buffer_ops = {
@@ -1338,9 +1312,8 @@ static ssize_t hwfifo_watermark_show(struct device *dev,
struct ad4130_state *st = iio_priv(dev_to_iio_dev(dev));
unsigned int val;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
val = st->watermark;
- mutex_unlock(&st->lock);
return sysfs_emit(buf, "%d\n", val);
}
--
GitLab
From 129e8619fccb82a3cf0e096f145d277552690de7 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 28 Jan 2024 15:05:37 +0000
Subject: [PATCH 0475/2686] iio: adc: ad7091r-base: Use auto cleanup of locks.
Done to reduce boilerplate and simplify code flow by allowing early
returns with the lock automatically released.
Reviewed-by: Nuno Sa <nuno.a@analog.com>
Link: https://lore.kernel.org/r/20240128150537.44592-11-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/ad7091r-base.c | 25 ++++++++-----------------
1 file changed, 8 insertions(+), 17 deletions(-)
diff --git a/drivers/iio/adc/ad7091r-base.c b/drivers/iio/adc/ad7091r-base.c
index f4255b91acfc9..d6876259ad144 100644
--- a/drivers/iio/adc/ad7091r-base.c
+++ b/drivers/iio/adc/ad7091r-base.c
@@ -86,28 +86,25 @@ static int ad7091r_read_raw(struct iio_dev *iio_dev,
unsigned int read_val;
int ret;
- mutex_lock(&st->lock);
+ guard(mutex)(&st->lock);
switch (m) {
case IIO_CHAN_INFO_RAW:
- if (st->mode != AD7091R_MODE_COMMAND) {
- ret = -EBUSY;
- goto unlock;
- }
+ if (st->mode != AD7091R_MODE_COMMAND)
+ return -EBUSY;
ret = ad7091r_read_one(iio_dev, chan->channel, &read_val);
if (ret)
- goto unlock;
+ return ret;
*val = read_val;
- ret = IIO_VAL_INT;
- break;
+ return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
if (st->vref) {
ret = regulator_get_voltage(st->vref);
if (ret < 0)
- goto unlock;
+ return ret;
*val = ret / 1000;
} else {
@@ -115,17 +112,11 @@ static int ad7091r_read_raw(struct iio_dev *iio_dev,
}
*val2 = chan->scan_type.realbits;
- ret = IIO_VAL_FRACTIONAL_LOG2;
- break;
+ return IIO_VAL_FRACTIONAL_LOG2;
default:
- ret = -EINVAL;
- break;
+ return -EINVAL;
}
-
-unlock:
- mutex_unlock(&st->lock);
- return ret;
}
static int ad7091r_read_event_config(struct iio_dev *indio_dev,
--
GitLab
From 0e2bf22aede4c6d7a0494aa2df636ff16bab41eb Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Sat, 3 Feb 2024 13:01:36 +0100
Subject: [PATCH 0476/2686] iio: imu: st_lsm6dsx: improve kernel docs and
comments
Improve kernel docs and comments reporting supported sensors in a list in
order to make more easy to add new devices in the future.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/d365d048253d2ff9ee0092d391bbaa9cf0737cff.1706961432.git.lorenzo@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/imu/st_lsm6dsx/Kconfig | 30 +++++++++++++++----
.../iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 27 +++++++++++++++--
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 28 +++++++++++++----
3 files changed, 71 insertions(+), 14 deletions(-)
diff --git a/drivers/iio/imu/st_lsm6dsx/Kconfig b/drivers/iio/imu/st_lsm6dsx/Kconfig
index 5865a295a4df3..24914946f9148 100644
--- a/drivers/iio/imu/st_lsm6dsx/Kconfig
+++ b/drivers/iio/imu/st_lsm6dsx/Kconfig
@@ -11,11 +11,31 @@ config IIO_ST_LSM6DSX
select IIO_ST_LSM6DSX_I3C if (I3C)
help
Say yes here to build support for STMicroelectronics LSM6DSx imu
- sensor. Supported devices: lsm6ds3, lsm6ds3h, lsm6dsl, lsm6dsm,
- ism330dlc, lsm6dso, lsm6dsox, asm330lhh, asm330lhhx, lsm6dsr,
- lsm6ds3tr-c, ism330dhcx, lsm6dsrx, lsm6ds0, lsm6dsop, lsm6dstx,
- lsm6dsv, lsm6dsv16x, lsm6dso16is, ism330is, asm330lhb, lsm6dst
- and the accelerometer/gyroscope of lsm9ds1.
+ sensor.
+ Supported devices:
+ - asm330lhb
+ - asm330lhh
+ - asm330lhhx
+ - ism330dhcx
+ - ism330dlc
+ - ism330is
+ - lsm6ds0
+ - lsm6ds3
+ - lsm6ds3h
+ - lsm6ds3tr-c
+ - lsm6dsl
+ - lsm6dsm
+ - lsm6dso
+ - lsm6dso16is
+ - lsm6dsop
+ - lsm6dsox
+ - lsm6dsr
+ - lsm6dsrx
+ - lsm6dst
+ - lsm6dstx
+ - lsm6dsv
+ - lsm6dsv16x
+ - lsm9ds1
To compile this driver as a module, choose M here: the module
will be called st_lsm6dsx.
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
index 066fe561c5e88..154f92fa9a87d 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
@@ -2,7 +2,7 @@
/*
* STMicroelectronics st_lsm6dsx FIFO buffer library driver
*
- * LSM6DS3/LSM6DS3H/LSM6DSL/LSM6DSM/ISM330DLC/LSM6DS3TR-C:
+ * Pattern FIFO:
* The FIFO buffer can be configured to store data from gyroscope and
* accelerometer. Samples are queued without any tag according to a
* specific pattern based on 'FIFO data sets' (6 bytes each):
@@ -14,12 +14,33 @@
* (e.g. Gx, Gy, Gz, Ax, Ay, Az), then data are repeated depending on the
* value of the decimation factor and ODR set for each FIFO data set.
*
- * LSM6DSO/LSM6DSOX/ASM330LHH/ASM330LHHX/LSM6DSR/LSM6DSRX/ISM330DHCX/
- * LSM6DST/LSM6DSOP/LSM6DSTX/LSM6DSV/ASM330LHB:
+ * Supported devices:
+ * - ISM330DLC
+ * - LSM6DS3
+ * - LSM6DS3H
+ * - LSM6DS3TR-C
+ * - LSM6DSL
+ * - LSM6DSM
+ *
+ * Tagged FIFO:
* The FIFO buffer can be configured to store data from gyroscope and
* accelerometer. Each sample is queued with a tag (1B) indicating data
* source (gyroscope, accelerometer, hw timer).
*
+ * Supported devices:
+ * - ASM330LHB
+ * - ASM330LHH
+ * - ASM330LHHX
+ * - ISM330DHCX
+ * - LSM6DSO
+ * - LSM6DSOP
+ * - LSM6DSOX
+ * - LSM6DSR
+ * - LSM6DSRX
+ * - LSM6DST
+ * - LSM6DSTX
+ * - LSM6DSV
+ *
* FIFO supported modes:
* - BYPASS: FIFO disabled
* - CONTINUOUS: FIFO enabled. When the buffer is full, the FIFO index
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index b6e6b1df8a618..01ef9d38aaddb 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -14,34 +14,50 @@
* by a different driver.
*
* Supported sensors:
- * - LSM6DS3:
+ *
+ * - LSM6DS3
* - Accelerometer/Gyroscope supported ODR [Hz]: 12.5, 26, 52, 104, 208, 416
* - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
* - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
* - FIFO size: 8KB
*
- * - LSM6DS3H/LSM6DSL/LSM6DSM/ISM330DLC/LSM6DS3TR-C:
+ * - ISM330DLC
+ * - LSM6DS3H
+ * - LSM6DS3TR-C
+ * - LSM6DSL
+ * - LSM6DSM
* - Accelerometer/Gyroscope supported ODR [Hz]: 12.5, 26, 52, 104, 208, 416
* - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
* - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
* - FIFO size: 4KB
*
- * - LSM6DSO/LSM6DSOX/ASM330LHH/ASM330LHHX/LSM6DSR/ISM330DHCX/LSM6DST/LSM6DSOP/
- * LSM6DSTX/LSM6DSO16IS/ISM330IS:
+ * - ASM330LHH
+ * - ASM330LHHX
+ * - ISM330DHCX
+ * - ISM330IS
+ * - LSM6DSO
+ * - LSM6DSO16IS
+ * - LSM6DSOP
+ * - LSM6DSOX
+ * - LSM6DSR
+ * - LSM6DST
+ * - LSM6DSTX
* - Accelerometer/Gyroscope supported ODR [Hz]: 12.5, 26, 52, 104, 208, 416,
* 833
* - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
* - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
* - FIFO size: 3KB
*
- * - LSM6DSV/LSM6DSV16X:
+ * - LSM6DSV
+ * - LSM6DSV16X
* - Accelerometer/Gyroscope supported ODR [Hz]: 7.5, 15, 30, 60, 120, 240,
* 480, 960
* - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
* - Gyroscope supported full-scale [dps]: +-125/+-250/+-500/+-1000/+-2000
* - FIFO size: 3KB
*
- * - LSM9DS1/LSM6DS0:
+ * - LSM6DS0
+ * - LSM9DS1
* - Accelerometer supported ODR [Hz]: 10, 50, 119, 238, 476, 952
* - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
* - Gyroscope supported ODR [Hz]: 15, 60, 119, 238, 476, 952
--
GitLab
From 16ac43a1b18cb07d2c1c72f81027968315a8bb53 Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Sat, 3 Feb 2024 13:01:37 +0100
Subject: [PATCH 0477/2686] iio: imu: st_lsm6dsx: add support to ASM330LHHXG1
Add support to STM ASM330LHHXG1 (accelerometer and gyroscope) Mems
sensor.
The ASM330LHHXG1 sensor can use LSM6DSR as fallback device since LSM6DSR
implements all the ASM330LHHXG1 features currently implemented in
st_lsm6dsx.
Link: https://www.st.com/resource/en/datasheet/asm330lhhxg1.pdf
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/e3dbe4720cdf407d0152e93b1331306a8c7f5df3.1706961432.git.lorenzo@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/imu/st_lsm6dsx/Kconfig | 1 +
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h | 2 ++
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 1 +
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 5 +++++
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c | 5 +++++
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c | 5 +++++
6 files changed, 19 insertions(+)
diff --git a/drivers/iio/imu/st_lsm6dsx/Kconfig b/drivers/iio/imu/st_lsm6dsx/Kconfig
index 24914946f9148..89d687ec3099c 100644
--- a/drivers/iio/imu/st_lsm6dsx/Kconfig
+++ b/drivers/iio/imu/st_lsm6dsx/Kconfig
@@ -16,6 +16,7 @@ config IIO_ST_LSM6DSX
- asm330lhb
- asm330lhh
- asm330lhhx
+ - asm330lhhxg1
- ism330dhcx
- ism330dlc
- ism330is
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
index c19237717e812..a3b93566533bc 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
@@ -38,6 +38,7 @@
#define ST_LSM6DSO16IS_DEV_NAME "lsm6dso16is"
#define ST_ISM330IS_DEV_NAME "ism330is"
#define ST_ASM330LHB_DEV_NAME "asm330lhb"
+#define ST_ASM330LHHXG1_DEV_NAME "asm330lhhxg1"
enum st_lsm6dsx_hw_id {
ST_LSM6DS3_ID = 1,
@@ -63,6 +64,7 @@ enum st_lsm6dsx_hw_id {
ST_LSM6DSO16IS_ID,
ST_ISM330IS_ID,
ST_ASM330LHB_ID,
+ ST_ASM330LHHXG1_ID,
ST_LSM6DSX_MAX_ID,
};
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
index 154f92fa9a87d..0a7cd8c1aa331 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
@@ -31,6 +31,7 @@
* - ASM330LHB
* - ASM330LHH
* - ASM330LHHX
+ * - ASM330LHHXG1
* - ISM330DHCX
* - LSM6DSO
* - LSM6DSOP
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index 01ef9d38aaddb..0716986f98129 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -33,6 +33,7 @@
*
* - ASM330LHH
* - ASM330LHHX
+ * - ASM330LHHXG1
* - ISM330DHCX
* - ISM330IS
* - LSM6DSO
@@ -836,6 +837,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.hw_id = ST_ASM330LHHX_ID,
.name = ST_ASM330LHHX_DEV_NAME,
.wai = 0x6b,
+ }, {
+ .hw_id = ST_ASM330LHHXG1_ID,
+ .name = ST_ASM330LHHXG1_DEV_NAME,
+ .wai = 0x6b,
}, {
.hw_id = ST_LSM6DSTX_ID,
.name = ST_LSM6DSTX_DEV_NAME,
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
index 911444ec57c01..cddf41cc0ca97 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
@@ -134,6 +134,10 @@ static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {
.compatible = "st,asm330lhb",
.data = (void *)ST_ASM330LHB_ID,
},
+ {
+ .compatible = "st,asm330lhhxg1",
+ .data = (void *)ST_ASM330LHHXG1_ID,
+ },
{},
};
MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match);
@@ -168,6 +172,7 @@ static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = {
{ ST_LSM6DSO16IS_DEV_NAME, ST_LSM6DSO16IS_ID },
{ ST_ISM330IS_DEV_NAME, ST_ISM330IS_ID },
{ ST_ASM330LHB_DEV_NAME, ST_ASM330LHB_ID },
+ { ST_ASM330LHHXG1_DEV_NAME, ST_ASM330LHHXG1_ID },
{},
};
MODULE_DEVICE_TABLE(i2c, st_lsm6dsx_i2c_id_table);
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
index f56c170c41a9d..c122c8831365a 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
@@ -129,6 +129,10 @@ static const struct of_device_id st_lsm6dsx_spi_of_match[] = {
.compatible = "st,asm330lhb",
.data = (void *)ST_ASM330LHB_ID,
},
+ {
+ .compatible = "st,asm330lhhxg1",
+ .data = (void *)ST_ASM330LHHXG1_ID,
+ },
{},
};
MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
@@ -157,6 +161,7 @@ static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
{ ST_LSM6DSO16IS_DEV_NAME, ST_LSM6DSO16IS_ID },
{ ST_ISM330IS_DEV_NAME, ST_ISM330IS_ID },
{ ST_ASM330LHB_DEV_NAME, ST_ASM330LHB_ID },
+ { ST_ASM330LHHXG1_DEV_NAME, ST_ASM330LHHXG1_ID },
{},
};
MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table);
--
GitLab
From 7c28226cd03746c7e87409ee75d45e42f1687d89 Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Sat, 3 Feb 2024 13:01:38 +0100
Subject: [PATCH 0478/2686] dt-bindings: iio: imu: st_lsm6dsx: add asm330lhhxg1
Add device bindings for asm330lhhxg1 IMU sensor.
The lsm6dsr supports the features and functionality provided by
the asm330lhhxg1 via identical interfaces and so is a suitable
fallback compatible.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/942452ec9626bc1166501cec0fa88c369e28ec6f.1706961432.git.lorenzo@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml b/Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml
index 28b667a9cb76b..c48a96d17f511 100644
--- a/Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml
+++ b/Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml
@@ -35,7 +35,9 @@ properties:
- st,lsm6dsv
- st,lsm6dso16is
- items:
- - const: st,asm330lhhx
+ - enum:
+ - st,asm330lhhx
+ - st,asm330lhhxg1
- const: st,lsm6dsr
- items:
- const: st,lsm6dstx
--
GitLab
From 89b1b86fc77367fac470258acdf470ffe2edc8d4 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Thu, 8 Feb 2024 16:37:19 -0300
Subject: [PATCH 0479/2686] iio: core: make iio_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the iio_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Acked-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240208-bus_cleanup-iio-v1-1-4a167c3b5fb3@marliere.net
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/industrialio-core.c | 2 +-
include/linux/iio/iio.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index e8551a1636bac..9b2877fe86898 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -42,7 +42,7 @@ static DEFINE_IDA(iio_ida);
static dev_t iio_devt;
#define IIO_DEV_MAX 256
-struct bus_type iio_bus_type = {
+const struct bus_type iio_bus_type = {
.name = "iio",
};
EXPORT_SYMBOL(iio_bus_type);
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 4f89279e531cd..e370a7bb3300b 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -669,7 +669,7 @@ DEFINE_GUARD_COND(iio_claim_direct, _try, ({
int iio_device_claim_buffer_mode(struct iio_dev *indio_dev);
void iio_device_release_buffer_mode(struct iio_dev *indio_dev);
-extern struct bus_type iio_bus_type;
+extern const struct bus_type iio_bus_type;
/**
* iio_device_put() - reference counted deallocation of struct device
--
GitLab
From ca2f16c315683d9922445b59a738f6e4c168d54d Mon Sep 17 00:00:00 2001
From: Jesus Gonzalez <jesusmgh@gmail.com>
Date: Wed, 7 Feb 2024 20:55:50 +0100
Subject: [PATCH 0480/2686] Add 10EC5280 to bmi160_i2c ACPI IDs to allow
binding on some devices
"10EC5280" is used by several manufacturers like Lenovo, GPD, or AYA (and
probably others) in their ACPI table as the ID for the bmi160 IMU. This
means the bmi160_i2c driver won't bind to it, and the IMU is unavailable
to the user. Manufacturers have been approached on several occasions to
try getting a BIOS with a fixed ID, mostly without actual positive
results, and since affected devices are already a few years old, this is
not expected to change. This patch enables using the bmi160_i2c driver for
the bmi160 IMU on these devices.
Here is the relevant extract from the DSDT of a GPD Win Max 2 (AMD 6800U
model) with the latest firmware 1.05 installed. GPD sees this as WONTFIX
with the argument of the device working with the Windows drivers.
Device (BMA2)
{
Name (_ADR, Zero) // _ADR: Address
Name (_HID, "10EC5280") // _HID: Hardware ID
Name (_CID, "10EC5280") // _CID: Compatible ID
Name (_DDN, "Accelerometer") // _DDN: DOS Device Name
Name (_UID, One) // _UID: Unique ID
Method (_CRS, 0, NotSerialized) // _CRS: Current Resource Settings
{
Name (RBUF, ResourceTemplate ()
{
I2cSerialBusV2 (0x0069, ControllerInitiated, 0x00061A80,
AddressingMode7Bit, "\\_SB.I2CC",
0x00, ResourceConsumer, , Exclusive,
)
})
Return (RBUF) /* \_SB_.I2CC.BMA2._CRS.RBUF */
}
...
}
Signed-off-by: Jesus Gonzalez <jesusmgh@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240207195549.37994-2-jesusmgh@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/imu/bmi160/bmi160_i2c.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/iio/imu/bmi160/bmi160_i2c.c b/drivers/iio/imu/bmi160/bmi160_i2c.c
index 81652c08e6441..a081305254dbb 100644
--- a/drivers/iio/imu/bmi160/bmi160_i2c.c
+++ b/drivers/iio/imu/bmi160/bmi160_i2c.c
@@ -43,6 +43,15 @@ static const struct i2c_device_id bmi160_i2c_id[] = {
MODULE_DEVICE_TABLE(i2c, bmi160_i2c_id);
static const struct acpi_device_id bmi160_acpi_match[] = {
+ /*
+ * FIRMWARE BUG WORKAROUND
+ * Some manufacturers like GPD, Lenovo or Aya used the incorrect
+ * ID "10EC5280" for bmi160 in their DSDT. A fixed firmware is not
+ * available as of Feb 2024 after trying to work with OEMs, and
+ * this is not expected to change anymore since at least some of
+ * the affected devices are from 2021/2022.
+ */
+ {"10EC5280", 0},
{"BMI0160", 0},
{ },
};
--
GitLab
From f2a71ebdf2312a07824fb8445267e62bc0074e56 Mon Sep 17 00:00:00 2001
From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Date: Mon, 5 Feb 2024 10:59:23 -0800
Subject: [PATCH 0481/2686] iio: hid-sensor-als: Assign channels dynamically
Instead of assuming that every channel defined statically by
als_channels[] is present, assign dynamically based on presence of the
respective usage id in the descriptor. This will allow to register ALS
with limited channel support. Append the timestamp as the last channel.
Update available_scan_mask to specify all channels which are present.
There is no intentional function changes done.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240205185926.3030521-2-srinivas.pandruvada@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/hid-sensor-als.c | 51 ++++++++++++++++++++----------
1 file changed, 35 insertions(+), 16 deletions(-)
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index 5cd27f04b45e6..b900b6ef8a9dc 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -25,6 +25,7 @@ struct als_state {
struct hid_sensor_hub_callbacks callbacks;
struct hid_sensor_common common_attributes;
struct hid_sensor_hub_attribute_info als[CHANNEL_SCAN_INDEX_MAX];
+ struct iio_chan_spec channels[CHANNEL_SCAN_INDEX_MAX + 1];
struct {
u32 illum[CHANNEL_SCAN_INDEX_MAX];
u64 timestamp __aligned(8);
@@ -33,7 +34,15 @@ struct als_state {
int scale_post_decml;
int scale_precision;
int value_offset;
+ int num_channels;
s64 timestamp;
+ unsigned long als_scan_mask[2];
+};
+
+/* The order of usage ids must match scan index starting from CHANNEL_SCAN_INDEX_INTENSITY */
+static const u32 als_usage_ids[] = {
+ HID_USAGE_SENSOR_LIGHT_ILLUM,
+ HID_USAGE_SENSOR_LIGHT_ILLUM,
};
static const u32 als_sensitivity_addresses[] = {
@@ -237,27 +246,38 @@ static int als_capture_sample(struct hid_sensor_hub_device *hsdev,
/* Parse report which is specific to an usage id*/
static int als_parse_report(struct platform_device *pdev,
struct hid_sensor_hub_device *hsdev,
- struct iio_chan_spec *channels,
unsigned usage_id,
struct als_state *st)
{
- int ret;
+ struct iio_chan_spec *channels;
+ int ret, index = 0;
int i;
- for (i = 0; i <= CHANNEL_SCAN_INDEX_ILLUM; ++i) {
+ channels = st->channels;
+
+ for (i = 0; i < CHANNEL_SCAN_INDEX_MAX; ++i) {
ret = sensor_hub_input_get_attribute_info(hsdev,
HID_INPUT_REPORT,
usage_id,
- HID_USAGE_SENSOR_LIGHT_ILLUM,
+ als_usage_ids[i],
&st->als[i]);
if (ret < 0)
- return ret;
- als_adjust_channel_bit_mask(channels, i, st->als[i].size);
+ continue;
+
+ channels[index] = als_channels[i];
+ st->als_scan_mask[0] |= BIT(i);
+ als_adjust_channel_bit_mask(channels, index, st->als[i].size);
+ ++index;
dev_dbg(&pdev->dev, "als %x:%x\n", st->als[i].index,
st->als[i].report_id);
}
+ st->num_channels = index;
+ /* Return success even if one usage id is present */
+ if (index)
+ ret = 0;
+
st->scale_precision = hid_sensor_format_scale(usage_id,
&st->als[CHANNEL_SCAN_INDEX_INTENSITY],
&st->scale_pre_decml, &st->scale_post_decml);
@@ -293,15 +313,7 @@ static int hid_als_probe(struct platform_device *pdev)
return ret;
}
- indio_dev->channels = devm_kmemdup(&pdev->dev, als_channels,
- sizeof(als_channels), GFP_KERNEL);
- if (!indio_dev->channels) {
- dev_err(&pdev->dev, "failed to duplicate channels\n");
- return -ENOMEM;
- }
-
ret = als_parse_report(pdev, hsdev,
- (struct iio_chan_spec *)indio_dev->channels,
hsdev->usage,
als_state);
if (ret) {
@@ -309,8 +321,15 @@ static int hid_als_probe(struct platform_device *pdev)
return ret;
}
- indio_dev->num_channels =
- ARRAY_SIZE(als_channels);
+ /* Add timestamp channel */
+ als_state->channels[als_state->num_channels] = als_channels[CHANNEL_SCAN_INDEX_TIMESTAMP];
+
+ /* +1 for adding timestamp channel */
+ indio_dev->num_channels = als_state->num_channels + 1;
+
+ indio_dev->channels = als_state->channels;
+ indio_dev->available_scan_masks = als_state->als_scan_mask;
+
indio_dev->info = &als_info;
indio_dev->name = name;
indio_dev->modes = INDIO_DIRECT_MODE;
--
GitLab
From 00c45c9ef9b243cd0d48ae2bd0b8d908a9e04b2d Mon Sep 17 00:00:00 2001
From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Date: Mon, 5 Feb 2024 10:59:24 -0800
Subject: [PATCH 0482/2686] iio: hid-sensor-als: Remove hardcoding of values
for enums
Remove hardcoding of values for enum CHANNEL_SCAN_INDEX_INTENSITY and
CHANNEL_SCAN_INDEX_ILLUM.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240205185926.3030521-3-srinivas.pandruvada@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/hid-sensor-als.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index b900b6ef8a9dc..bd4cb08831210 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -14,8 +14,8 @@
#include "../common/hid-sensors/hid-sensor-trigger.h"
enum {
- CHANNEL_SCAN_INDEX_INTENSITY = 0,
- CHANNEL_SCAN_INDEX_ILLUM = 1,
+ CHANNEL_SCAN_INDEX_INTENSITY,
+ CHANNEL_SCAN_INDEX_ILLUM,
CHANNEL_SCAN_INDEX_MAX
};
--
GitLab
From 3765d426fe864e109d00aeb48f22413b896b2eb9 Mon Sep 17 00:00:00 2001
From: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Date: Mon, 5 Feb 2024 10:59:25 -0800
Subject: [PATCH 0483/2686] iio: hid-sensor-als: Add light color temperature
support
On some platforms, ambient color sensors also support light color
temperature. Add support of light color temperature.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240205185926.3030521-4-srinivas.pandruvada@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/hid-sensor-als.c | 21 +++++++++++++++++++++
include/linux/hid-sensor-ids.h | 1 +
2 files changed, 22 insertions(+)
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index bd4cb08831210..f9d0071d9fa93 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -16,6 +16,7 @@
enum {
CHANNEL_SCAN_INDEX_INTENSITY,
CHANNEL_SCAN_INDEX_ILLUM,
+ CHANNEL_SCAN_INDEX_COLOR_TEMP,
CHANNEL_SCAN_INDEX_MAX
};
@@ -43,6 +44,7 @@ struct als_state {
static const u32 als_usage_ids[] = {
HID_USAGE_SENSOR_LIGHT_ILLUM,
HID_USAGE_SENSOR_LIGHT_ILLUM,
+ HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE,
};
static const u32 als_sensitivity_addresses[] = {
@@ -74,6 +76,16 @@ static const struct iio_chan_spec als_channels[] = {
BIT(IIO_CHAN_INFO_HYSTERESIS_RELATIVE),
.scan_index = CHANNEL_SCAN_INDEX_ILLUM,
},
+ {
+ .type = IIO_COLORTEMP,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) |
+ BIT(IIO_CHAN_INFO_SCALE) |
+ BIT(IIO_CHAN_INFO_SAMP_FREQ) |
+ BIT(IIO_CHAN_INFO_HYSTERESIS) |
+ BIT(IIO_CHAN_INFO_HYSTERESIS_RELATIVE),
+ .scan_index = CHANNEL_SCAN_INDEX_COLOR_TEMP,
+ },
IIO_CHAN_SOFT_TIMESTAMP(CHANNEL_SCAN_INDEX_TIMESTAMP)
};
@@ -112,6 +124,11 @@ static int als_read_raw(struct iio_dev *indio_dev,
min = als_state->als[chan->scan_index].logical_minimum;
address = HID_USAGE_SENSOR_LIGHT_ILLUM;
break;
+ case CHANNEL_SCAN_INDEX_COLOR_TEMP:
+ report_id = als_state->als[chan->scan_index].report_id;
+ min = als_state->als[chan->scan_index].logical_minimum;
+ address = HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE;
+ break;
default:
report_id = -1;
break;
@@ -232,6 +249,10 @@ static int als_capture_sample(struct hid_sensor_hub_device *hsdev,
als_state->scan.illum[CHANNEL_SCAN_INDEX_ILLUM] = sample_data;
ret = 0;
break;
+ case HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE:
+ als_state->scan.illum[CHANNEL_SCAN_INDEX_COLOR_TEMP] = sample_data;
+ ret = 0;
+ break;
case HID_USAGE_SENSOR_TIME_TIMESTAMP:
als_state->timestamp = hid_sensor_convert_timestamp(&als_state->common_attributes,
*(s64 *)raw_data);
diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h
index 13b1e65fbdccb..8af4fb3e0254e 100644
--- a/include/linux/hid-sensor-ids.h
+++ b/include/linux/hid-sensor-ids.h
@@ -21,6 +21,7 @@
#define HID_USAGE_SENSOR_ALS 0x200041
#define HID_USAGE_SENSOR_DATA_LIGHT 0x2004d0
#define HID_USAGE_SENSOR_LIGHT_ILLUM 0x2004d1
+#define HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE 0x2004d2
/* PROX (200011) */
#define HID_USAGE_SENSOR_PROX 0x200011
--
GitLab
From 2ec17b1950bb824f9a8d5f055e466d02c40eb64c Mon Sep 17 00:00:00 2001
From: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Date: Mon, 5 Feb 2024 10:59:26 -0800
Subject: [PATCH 0484/2686] iio: hid-sensor-als: Add light chromaticity support
On some platforms, ambient color sensors also support the x and y light
colors, which represent the coordinates on the CIE 1931 chromaticity
diagram. Add light chromaticity x and y.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240205185926.3030521-5-srinivas.pandruvada@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/hid-sensor-als.c | 46 ++++++++++++++++++++++++++++++
include/linux/hid-sensor-ids.h | 3 ++
2 files changed, 49 insertions(+)
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index f9d0071d9fa93..06580dfdfab6c 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -17,6 +17,8 @@ enum {
CHANNEL_SCAN_INDEX_INTENSITY,
CHANNEL_SCAN_INDEX_ILLUM,
CHANNEL_SCAN_INDEX_COLOR_TEMP,
+ CHANNEL_SCAN_INDEX_CHROMATICITY_X,
+ CHANNEL_SCAN_INDEX_CHROMATICITY_Y,
CHANNEL_SCAN_INDEX_MAX
};
@@ -45,6 +47,8 @@ static const u32 als_usage_ids[] = {
HID_USAGE_SENSOR_LIGHT_ILLUM,
HID_USAGE_SENSOR_LIGHT_ILLUM,
HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE,
+ HID_USAGE_SENSOR_LIGHT_CHROMATICITY_X,
+ HID_USAGE_SENSOR_LIGHT_CHROMATICITY_Y,
};
static const u32 als_sensitivity_addresses[] = {
@@ -86,6 +90,30 @@ static const struct iio_chan_spec als_channels[] = {
BIT(IIO_CHAN_INFO_HYSTERESIS_RELATIVE),
.scan_index = CHANNEL_SCAN_INDEX_COLOR_TEMP,
},
+ {
+ .type = IIO_CHROMATICITY,
+ .modified = 1,
+ .channel2 = IIO_MOD_X,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) |
+ BIT(IIO_CHAN_INFO_SCALE) |
+ BIT(IIO_CHAN_INFO_SAMP_FREQ) |
+ BIT(IIO_CHAN_INFO_HYSTERESIS) |
+ BIT(IIO_CHAN_INFO_HYSTERESIS_RELATIVE),
+ .scan_index = CHANNEL_SCAN_INDEX_CHROMATICITY_X,
+ },
+ {
+ .type = IIO_CHROMATICITY,
+ .modified = 1,
+ .channel2 = IIO_MOD_Y,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) |
+ BIT(IIO_CHAN_INFO_SCALE) |
+ BIT(IIO_CHAN_INFO_SAMP_FREQ) |
+ BIT(IIO_CHAN_INFO_HYSTERESIS) |
+ BIT(IIO_CHAN_INFO_HYSTERESIS_RELATIVE),
+ .scan_index = CHANNEL_SCAN_INDEX_CHROMATICITY_Y,
+ },
IIO_CHAN_SOFT_TIMESTAMP(CHANNEL_SCAN_INDEX_TIMESTAMP)
};
@@ -129,6 +157,16 @@ static int als_read_raw(struct iio_dev *indio_dev,
min = als_state->als[chan->scan_index].logical_minimum;
address = HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE;
break;
+ case CHANNEL_SCAN_INDEX_CHROMATICITY_X:
+ report_id = als_state->als[chan->scan_index].report_id;
+ min = als_state->als[chan->scan_index].logical_minimum;
+ address = HID_USAGE_SENSOR_LIGHT_CHROMATICITY_X;
+ break;
+ case CHANNEL_SCAN_INDEX_CHROMATICITY_Y:
+ report_id = als_state->als[chan->scan_index].report_id;
+ min = als_state->als[chan->scan_index].logical_minimum;
+ address = HID_USAGE_SENSOR_LIGHT_CHROMATICITY_Y;
+ break;
default:
report_id = -1;
break;
@@ -253,6 +291,14 @@ static int als_capture_sample(struct hid_sensor_hub_device *hsdev,
als_state->scan.illum[CHANNEL_SCAN_INDEX_COLOR_TEMP] = sample_data;
ret = 0;
break;
+ case HID_USAGE_SENSOR_LIGHT_CHROMATICITY_X:
+ als_state->scan.illum[CHANNEL_SCAN_INDEX_CHROMATICITY_X] = sample_data;
+ ret = 0;
+ break;
+ case HID_USAGE_SENSOR_LIGHT_CHROMATICITY_Y:
+ als_state->scan.illum[CHANNEL_SCAN_INDEX_CHROMATICITY_Y] = sample_data;
+ ret = 0;
+ break;
case HID_USAGE_SENSOR_TIME_TIMESTAMP:
als_state->timestamp = hid_sensor_convert_timestamp(&als_state->common_attributes,
*(s64 *)raw_data);
diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h
index 8af4fb3e0254e..6730ee900ee1c 100644
--- a/include/linux/hid-sensor-ids.h
+++ b/include/linux/hid-sensor-ids.h
@@ -22,6 +22,9 @@
#define HID_USAGE_SENSOR_DATA_LIGHT 0x2004d0
#define HID_USAGE_SENSOR_LIGHT_ILLUM 0x2004d1
#define HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE 0x2004d2
+#define HID_USAGE_SENSOR_LIGHT_CHROMATICITY 0x2004d3
+#define HID_USAGE_SENSOR_LIGHT_CHROMATICITY_X 0x2004d4
+#define HID_USAGE_SENSOR_LIGHT_CHROMATICITY_Y 0x2004d5
/* PROX (200011) */
#define HID_USAGE_SENSOR_PROX 0x200011
--
GitLab
From f1f99fcbf997b50a32844c31523ed41da0428f08 Mon Sep 17 00:00:00 2001
From: Naresh Solanki <naresh.solanki@9elements.com>
Date: Tue, 6 Feb 2024 16:25:01 +0530
Subject: [PATCH 0485/2686] dt-bindings: iio: afe: voltage-divider: Add
io-channel-cells
Enable the voltage divider to both receive and provide measurement
services by adding #io-channel-cells.
This is especially valuable in scenarios where an ADC has an analog
frontend, like a voltage divider, and obtaining its raw value isn't
interesting. It is desired to get the real voltage before the voltage
divider.
Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240206105502.648255-1-naresh.solanki@9elements.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../devicetree/bindings/iio/afe/voltage-divider.yaml | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml b/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml
index dddf97b50549f..4151f99b42aa7 100644
--- a/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml
+++ b/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml
@@ -39,6 +39,17 @@ properties:
description: |
Channel node of a voltage io-channel.
+ '#io-channel-cells':
+ description:
+ In addition to consuming the measurement services of a voltage
+ output channel, the voltage divider can act as a provider of
+ measurement services to other devices. This is particularly
+ useful in scenarios wherein an ADC has an analog frontend,
+ such as a voltage divider, and then consuming its raw value
+ isn't interesting. In this case, the voltage before the divider
+ is desired.
+ const: 1
+
output-ohms:
description:
Resistance Rout over which the output voltage is measured. See full-ohms.
--
GitLab
From 52882c6fb16ff406b7f5330958523328ce40f248 Mon Sep 17 00:00:00 2001
From: Dimitri Fedrau <dima.fedrau@gmail.com>
Date: Wed, 14 Feb 2024 09:53:43 +0100
Subject: [PATCH 0486/2686] iio: humidity: hdc3020: switch to 16bit register
defines
Switch to 16bit register defines and drop the const u8 register pairs.
By doing so we change the parameter of functions for reading and writing
to the device. Additionally create helper functions that are aware of the
new register format and apply them wherever possible.
Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com>
Link: https://lore.kernel.org/r/20240214085350.19382-2-dima.fedrau@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/humidity/hdc3020.c | 200 +++++++++++----------------------
1 file changed, 63 insertions(+), 137 deletions(-)
diff --git a/drivers/iio/humidity/hdc3020.c b/drivers/iio/humidity/hdc3020.c
index 4e3311170725b..e42efe666e226 100644
--- a/drivers/iio/humidity/hdc3020.c
+++ b/drivers/iio/humidity/hdc3020.c
@@ -21,26 +21,22 @@
#include <linux/iio/iio.h>
-#define HDC3020_HEATER_CMD_MSB 0x30 /* shared by all heater commands */
-#define HDC3020_HEATER_ENABLE 0x6D
-#define HDC3020_HEATER_DISABLE 0x66
-#define HDC3020_HEATER_CONFIG 0x6E
+#define HDC3020_S_AUTO_10HZ_MOD0 0x2737
+#define HDC3020_HEATER_DISABLE 0x3066
+#define HDC3020_HEATER_ENABLE 0x306D
+#define HDC3020_HEATER_CONFIG 0x306E
+#define HDC3020_EXIT_AUTO 0x3093
+#define HDC3020_R_T_RH_AUTO 0xE000
+#define HDC3020_R_T_LOW_AUTO 0xE002
+#define HDC3020_R_T_HIGH_AUTO 0xE003
+#define HDC3020_R_RH_LOW_AUTO 0xE004
+#define HDC3020_R_RH_HIGH_AUTO 0xE005
#define HDC3020_READ_RETRY_TIMES 10
#define HDC3020_BUSY_DELAY_MS 10
#define HDC3020_CRC8_POLYNOMIAL 0x31
-static const u8 HDC3020_S_AUTO_10HZ_MOD0[2] = { 0x27, 0x37 };
-
-static const u8 HDC3020_EXIT_AUTO[2] = { 0x30, 0x93 };
-
-static const u8 HDC3020_R_T_RH_AUTO[2] = { 0xE0, 0x00 };
-static const u8 HDC3020_R_T_LOW_AUTO[2] = { 0xE0, 0x02 };
-static const u8 HDC3020_R_T_HIGH_AUTO[2] = { 0xE0, 0x03 };
-static const u8 HDC3020_R_RH_LOW_AUTO[2] = { 0xE0, 0x04 };
-static const u8 HDC3020_R_RH_HIGH_AUTO[2] = { 0xE0, 0x05 };
-
struct hdc3020_data {
struct i2c_client *client;
/*
@@ -82,7 +78,7 @@ static const struct iio_chan_spec hdc3020_channels[] = {
DECLARE_CRC8_TABLE(hdc3020_crc8_table);
-static int hdc3020_write_bytes(struct hdc3020_data *data, const u8 *buf, u8 len)
+static int hdc3020_write_bytes(struct hdc3020_data *data, u8 *buf, u8 len)
{
struct i2c_client *client = data->client;
struct i2c_msg msg;
@@ -90,7 +86,7 @@ static int hdc3020_write_bytes(struct hdc3020_data *data, const u8 *buf, u8 len)
msg.addr = client->addr;
msg.flags = 0;
- msg.buf = (char *)buf;
+ msg.buf = buf;
msg.len = len;
/*
@@ -109,26 +105,28 @@ static int hdc3020_write_bytes(struct hdc3020_data *data, const u8 *buf, u8 len)
return -ETIMEDOUT;
}
-static int hdc3020_read_bytes(struct hdc3020_data *data, const u8 *buf,
- void *val, int len)
+static
+int hdc3020_read_bytes(struct hdc3020_data *data, u16 reg, u8 *buf, int len)
{
+ u8 reg_buf[2];
int ret, cnt;
struct i2c_client *client = data->client;
struct i2c_msg msg[2] = {
[0] = {
.addr = client->addr,
.flags = 0,
- .buf = (char *)buf,
+ .buf = reg_buf,
.len = 2,
},
[1] = {
.addr = client->addr,
.flags = I2C_M_RD,
- .buf = val,
+ .buf = buf,
.len = len,
},
};
+ put_unaligned_be16(reg, reg_buf);
/*
* During the measurement process, HDC3020 will not return data.
* So wait for a while and try again
@@ -145,48 +143,12 @@ static int hdc3020_read_bytes(struct hdc3020_data *data, const u8 *buf,
return -ETIMEDOUT;
}
-static int hdc3020_read_measurement(struct hdc3020_data *data,
- enum iio_chan_type type, int *val)
-{
- u8 crc, buf[6];
- int ret;
-
- ret = hdc3020_read_bytes(data, HDC3020_R_T_RH_AUTO, buf, 6);
- if (ret < 0)
- return ret;
-
- /* CRC check of the temperature measurement */
- crc = crc8(hdc3020_crc8_table, buf, 2, CRC8_INIT_VALUE);
- if (crc != buf[2])
- return -EINVAL;
-
- /* CRC check of the relative humidity measurement */
- crc = crc8(hdc3020_crc8_table, buf + 3, 2, CRC8_INIT_VALUE);
- if (crc != buf[5])
- return -EINVAL;
-
- if (type == IIO_TEMP)
- *val = get_unaligned_be16(buf);
- else if (type == IIO_HUMIDITYRELATIVE)
- *val = get_unaligned_be16(&buf[3]);
- else
- return -EINVAL;
-
- return 0;
-}
-
-/*
- * After exiting the automatic measurement mode or resetting, the peak
- * value will be reset to the default value
- * This method is used to get the highest temp measured during automatic
- * measurement
- */
-static int hdc3020_read_high_peak_t(struct hdc3020_data *data, int *val)
+static int hdc3020_read_be16(struct hdc3020_data *data, u16 reg)
{
u8 crc, buf[3];
int ret;
- ret = hdc3020_read_bytes(data, HDC3020_R_T_HIGH_AUTO, buf, 3);
+ ret = hdc3020_read_bytes(data, reg, buf, 3);
if (ret < 0)
return ret;
@@ -194,73 +156,43 @@ static int hdc3020_read_high_peak_t(struct hdc3020_data *data, int *val)
if (crc != buf[2])
return -EINVAL;
- *val = get_unaligned_be16(buf);
-
- return 0;
+ return get_unaligned_be16(buf);
}
-/*
- * This method is used to get the lowest temp measured during automatic
- * measurement
- */
-static int hdc3020_read_low_peak_t(struct hdc3020_data *data, int *val)
+static int hdc3020_exec_cmd(struct hdc3020_data *data, u16 reg)
{
- u8 crc, buf[3];
- int ret;
-
- ret = hdc3020_read_bytes(data, HDC3020_R_T_LOW_AUTO, buf, 3);
- if (ret < 0)
- return ret;
-
- crc = crc8(hdc3020_crc8_table, buf, 2, CRC8_INIT_VALUE);
- if (crc != buf[2])
- return -EINVAL;
-
- *val = get_unaligned_be16(buf);
+ u8 reg_buf[2];
- return 0;
+ put_unaligned_be16(reg, reg_buf);
+ return hdc3020_write_bytes(data, reg_buf, 2);
}
-/*
- * This method is used to get the highest humidity measured during automatic
- * measurement
- */
-static int hdc3020_read_high_peak_rh(struct hdc3020_data *data, int *val)
+static int hdc3020_read_measurement(struct hdc3020_data *data,
+ enum iio_chan_type type, int *val)
{
- u8 crc, buf[3];
+ u8 crc, buf[6];
int ret;
- ret = hdc3020_read_bytes(data, HDC3020_R_RH_HIGH_AUTO, buf, 3);
+ ret = hdc3020_read_bytes(data, HDC3020_R_T_RH_AUTO, buf, 6);
if (ret < 0)
return ret;
+ /* CRC check of the temperature measurement */
crc = crc8(hdc3020_crc8_table, buf, 2, CRC8_INIT_VALUE);
if (crc != buf[2])
return -EINVAL;
- *val = get_unaligned_be16(buf);
-
- return 0;
-}
-
-/*
- * This method is used to get the lowest humidity measured during automatic
- * measurement
- */
-static int hdc3020_read_low_peak_rh(struct hdc3020_data *data, int *val)
-{
- u8 crc, buf[3];
- int ret;
-
- ret = hdc3020_read_bytes(data, HDC3020_R_RH_LOW_AUTO, buf, 3);
- if (ret < 0)
- return ret;
-
- crc = crc8(hdc3020_crc8_table, buf, 2, CRC8_INIT_VALUE);
- if (crc != buf[2])
+ /* CRC check of the relative humidity measurement */
+ crc = crc8(hdc3020_crc8_table, buf + 3, 2, CRC8_INIT_VALUE);
+ if (crc != buf[5])
return -EINVAL;
- *val = get_unaligned_be16(buf);
+ if (type == IIO_TEMP)
+ *val = get_unaligned_be16(buf);
+ else if (type == IIO_HUMIDITYRELATIVE)
+ *val = get_unaligned_be16(&buf[3]);
+ else
+ return -EINVAL;
return 0;
}
@@ -286,28 +218,28 @@ static int hdc3020_read_raw(struct iio_dev *indio_dev,
}
case IIO_CHAN_INFO_PEAK: {
guard(mutex)(&data->lock);
- if (chan->type == IIO_TEMP) {
- ret = hdc3020_read_high_peak_t(data, val);
- if (ret < 0)
- return ret;
- } else {
- ret = hdc3020_read_high_peak_rh(data, val);
- if (ret < 0)
- return ret;
- }
+ if (chan->type == IIO_TEMP)
+ ret = hdc3020_read_be16(data, HDC3020_R_T_HIGH_AUTO);
+ else
+ ret = hdc3020_read_be16(data, HDC3020_R_RH_HIGH_AUTO);
+
+ if (ret < 0)
+ return ret;
+
+ *val = ret;
return IIO_VAL_INT;
}
case IIO_CHAN_INFO_TROUGH: {
guard(mutex)(&data->lock);
- if (chan->type == IIO_TEMP) {
- ret = hdc3020_read_low_peak_t(data, val);
- if (ret < 0)
- return ret;
- } else {
- ret = hdc3020_read_low_peak_rh(data, val);
- if (ret < 0)
- return ret;
- }
+ if (chan->type == IIO_TEMP)
+ ret = hdc3020_read_be16(data, HDC3020_R_T_LOW_AUTO);
+ else
+ ret = hdc3020_read_be16(data, HDC3020_R_RH_LOW_AUTO);
+
+ if (ret < 0)
+ return ret;
+
+ *val = ret;
return IIO_VAL_INT;
}
case IIO_CHAN_INFO_SCALE:
@@ -352,23 +284,17 @@ static int hdc3020_update_heater(struct hdc3020_data *data, int val)
if (val < hdc3020_heater_vals[0] || val > hdc3020_heater_vals[2])
return -EINVAL;
- buf[0] = HDC3020_HEATER_CMD_MSB;
+ if (!val)
+ hdc3020_exec_cmd(data, HDC3020_HEATER_DISABLE);
- if (!val) {
- buf[1] = HDC3020_HEATER_DISABLE;
- return hdc3020_write_bytes(data, buf, 2);
- }
-
- buf[1] = HDC3020_HEATER_CONFIG;
+ put_unaligned_be16(HDC3020_HEATER_CONFIG, buf);
put_unaligned_be16(val & GENMASK(13, 0), &buf[2]);
buf[4] = crc8(hdc3020_crc8_table, buf + 2, 2, CRC8_INIT_VALUE);
ret = hdc3020_write_bytes(data, buf, 5);
if (ret < 0)
return ret;
- buf[1] = HDC3020_HEATER_ENABLE;
-
- return hdc3020_write_bytes(data, buf, 2);
+ return hdc3020_exec_cmd(data, HDC3020_HEATER_ENABLE);
}
static int hdc3020_write_raw(struct iio_dev *indio_dev,
@@ -397,7 +323,7 @@ static const struct iio_info hdc3020_info = {
static void hdc3020_stop(void *data)
{
- hdc3020_write_bytes((struct hdc3020_data *)data, HDC3020_EXIT_AUTO, 2);
+ hdc3020_exec_cmd((struct hdc3020_data *)data, HDC3020_EXIT_AUTO);
}
static int hdc3020_probe(struct i2c_client *client)
@@ -425,7 +351,7 @@ static int hdc3020_probe(struct i2c_client *client)
indio_dev->channels = hdc3020_channels;
indio_dev->num_channels = ARRAY_SIZE(hdc3020_channels);
- ret = hdc3020_write_bytes(data, HDC3020_S_AUTO_10HZ_MOD0, 2);
+ ret = hdc3020_exec_cmd(data, HDC3020_S_AUTO_10HZ_MOD0);
if (ret)
return dev_err_probe(&client->dev, ret,
"Unable to set up measurement\n");
--
GitLab
From 9f9bfae410e6cdfa454e779c9ef3b737a213ce2c Mon Sep 17 00:00:00 2001
From: Dimitri Fedrau <dima.fedrau@gmail.com>
Date: Wed, 14 Feb 2024 09:53:44 +0100
Subject: [PATCH 0487/2686] dt-bindings: iio: humidity: hdc3020: add interrupt
bindings in example
Add interrupt bindings in example.
Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240214085350.19382-3-dima.fedrau@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
Documentation/devicetree/bindings/iio/humidity/ti,hdc3020.yaml | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/humidity/ti,hdc3020.yaml b/Documentation/devicetree/bindings/iio/humidity/ti,hdc3020.yaml
index 7f6d0f9edc75e..8b5dedd1a598c 100644
--- a/Documentation/devicetree/bindings/iio/humidity/ti,hdc3020.yaml
+++ b/Documentation/devicetree/bindings/iio/humidity/ti,hdc3020.yaml
@@ -43,6 +43,7 @@ additionalProperties: false
examples:
- |
+ #include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
@@ -51,5 +52,7 @@ examples:
compatible = "ti,hdc3021", "ti,hdc3020";
reg = <0x47>;
vdd-supply = <&vcc_3v3>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <23 IRQ_TYPE_EDGE_RISING>;
};
};
--
GitLab
From 3ad0e7e5f0cb4d1cb1f1fb687d10e45cabf1928c Mon Sep 17 00:00:00 2001
From: Dimitri Fedrau <dima.fedrau@gmail.com>
Date: Wed, 14 Feb 2024 09:53:45 +0100
Subject: [PATCH 0488/2686] iio: humidity: hdc3020: add threshold events
support
Add threshold events support for temperature and relative humidity. To
enable them the higher and lower threshold registers must be programmed
and the higher threshold must be greater then or equal to the lower
threshold. Otherwise the event is disabled. Invalid hysteresis values
are ignored by the device. There is no further configuration possible.
Tested by setting thresholds/hysteresis and turning the heater on/off.
Used iio_event_monitor in tools/iio to catch events while constantly
displaying temperature and humidity values.
Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com>
Tested-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240214085350.19382-4-dima.fedrau@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/humidity/hdc3020.c | 247 +++++++++++++++++++++++++++++++++
1 file changed, 247 insertions(+)
diff --git a/drivers/iio/humidity/hdc3020.c b/drivers/iio/humidity/hdc3020.c
index e42efe666e226..11ede97a31d79 100644
--- a/drivers/iio/humidity/hdc3020.c
+++ b/drivers/iio/humidity/hdc3020.c
@@ -5,38 +5,67 @@
*
* Copyright (C) 2023
*
+ * Copyright (C) 2024 Liebherr-Electronics and Drives GmbH
+ *
* Datasheet: https://www.ti.com/lit/ds/symlink/hdc3020.pdf
*/
+#include <linux/bitfield.h>
#include <linux/bitops.h>
#include <linux/cleanup.h>
#include <linux/crc8.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/init.h>
+#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/mutex.h>
+#include <linux/units.h>
#include <asm/unaligned.h>
+#include <linux/iio/events.h>
#include <linux/iio/iio.h>
#define HDC3020_S_AUTO_10HZ_MOD0 0x2737
+#define HDC3020_S_STATUS 0x3041
#define HDC3020_HEATER_DISABLE 0x3066
#define HDC3020_HEATER_ENABLE 0x306D
#define HDC3020_HEATER_CONFIG 0x306E
#define HDC3020_EXIT_AUTO 0x3093
+#define HDC3020_S_T_RH_THRESH_LOW 0x6100
+#define HDC3020_S_T_RH_THRESH_LOW_CLR 0x610B
+#define HDC3020_S_T_RH_THRESH_HIGH_CLR 0x6116
+#define HDC3020_S_T_RH_THRESH_HIGH 0x611D
#define HDC3020_R_T_RH_AUTO 0xE000
#define HDC3020_R_T_LOW_AUTO 0xE002
#define HDC3020_R_T_HIGH_AUTO 0xE003
#define HDC3020_R_RH_LOW_AUTO 0xE004
#define HDC3020_R_RH_HIGH_AUTO 0xE005
+#define HDC3020_R_T_RH_THRESH_LOW 0xE102
+#define HDC3020_R_T_RH_THRESH_LOW_CLR 0xE109
+#define HDC3020_R_T_RH_THRESH_HIGH_CLR 0xE114
+#define HDC3020_R_T_RH_THRESH_HIGH 0xE11F
+#define HDC3020_R_STATUS 0xF32D
+
+#define HDC3020_THRESH_TEMP_MASK GENMASK(8, 0)
+#define HDC3020_THRESH_TEMP_TRUNC_SHIFT 7
+#define HDC3020_THRESH_HUM_MASK GENMASK(15, 9)
+#define HDC3020_THRESH_HUM_TRUNC_SHIFT 9
+
+#define HDC3020_STATUS_T_LOW_ALERT BIT(6)
+#define HDC3020_STATUS_T_HIGH_ALERT BIT(7)
+#define HDC3020_STATUS_RH_LOW_ALERT BIT(8)
+#define HDC3020_STATUS_RH_HIGH_ALERT BIT(9)
#define HDC3020_READ_RETRY_TIMES 10
#define HDC3020_BUSY_DELAY_MS 10
#define HDC3020_CRC8_POLYNOMIAL 0x31
+#define HDC3020_MIN_TEMP -40
+#define HDC3020_MAX_TEMP 125
+
struct hdc3020_data {
struct i2c_client *client;
/*
@@ -50,18 +79,37 @@ struct hdc3020_data {
static const int hdc3020_heater_vals[] = {0, 1, 0x3FFF};
+static const struct iio_event_spec hdc3020_t_rh_event[] = {
+ {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_RISING,
+ .mask_separate = BIT(IIO_EV_INFO_VALUE) |
+ BIT(IIO_EV_INFO_HYSTERESIS),
+ },
+ {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_FALLING,
+ .mask_separate = BIT(IIO_EV_INFO_VALUE) |
+ BIT(IIO_EV_INFO_HYSTERESIS),
+ },
+};
+
static const struct iio_chan_spec hdc3020_channels[] = {
{
.type = IIO_TEMP,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_PEAK) |
BIT(IIO_CHAN_INFO_TROUGH) | BIT(IIO_CHAN_INFO_OFFSET),
+ .event_spec = hdc3020_t_rh_event,
+ .num_event_specs = ARRAY_SIZE(hdc3020_t_rh_event),
},
{
.type = IIO_HUMIDITYRELATIVE,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_PEAK) |
BIT(IIO_CHAN_INFO_TROUGH),
+ .event_spec = hdc3020_t_rh_event,
+ .num_event_specs = ARRAY_SIZE(hdc3020_t_rh_event),
},
{
/*
@@ -315,10 +363,192 @@ static int hdc3020_write_raw(struct iio_dev *indio_dev,
return -EINVAL;
}
+static int hdc3020_write_thresh(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ enum iio_event_info info,
+ int val, int val2)
+{
+ struct hdc3020_data *data = iio_priv(indio_dev);
+ u8 buf[5];
+ u64 tmp;
+ u16 reg;
+ int ret;
+
+ /* Supported temperature range is from –40 to 125 degree celsius */
+ if (val < HDC3020_MIN_TEMP || val > HDC3020_MAX_TEMP)
+ return -EINVAL;
+
+ /* Select threshold register */
+ if (info == IIO_EV_INFO_VALUE) {
+ if (dir == IIO_EV_DIR_RISING)
+ reg = HDC3020_S_T_RH_THRESH_HIGH;
+ else
+ reg = HDC3020_S_T_RH_THRESH_LOW;
+ } else {
+ if (dir == IIO_EV_DIR_RISING)
+ reg = HDC3020_S_T_RH_THRESH_HIGH_CLR;
+ else
+ reg = HDC3020_S_T_RH_THRESH_LOW_CLR;
+ }
+
+ guard(mutex)(&data->lock);
+ ret = hdc3020_read_be16(data, reg);
+ if (ret < 0)
+ return ret;
+
+ switch (chan->type) {
+ case IIO_TEMP:
+ /*
+ * Calculate temperature threshold, shift it down to get the
+ * truncated threshold representation in the 9LSBs while keeping
+ * the current humidity threshold in the 7 MSBs.
+ */
+ tmp = ((u64)(((val + 45) * MICRO) + val2)) * 65535ULL;
+ tmp = div_u64(tmp, MICRO * 175);
+ val = tmp >> HDC3020_THRESH_TEMP_TRUNC_SHIFT;
+ val = FIELD_PREP(HDC3020_THRESH_TEMP_MASK, val);
+ val |= (FIELD_GET(HDC3020_THRESH_HUM_MASK, ret) <<
+ HDC3020_THRESH_HUM_TRUNC_SHIFT);
+ break;
+ case IIO_HUMIDITYRELATIVE:
+ /*
+ * Calculate humidity threshold, shift it down and up to get the
+ * truncated threshold representation in the 7MSBs while keeping
+ * the current temperature threshold in the 9 LSBs.
+ */
+ tmp = ((u64)((val * MICRO) + val2)) * 65535ULL;
+ tmp = div_u64(tmp, MICRO * 100);
+ val = tmp >> HDC3020_THRESH_HUM_TRUNC_SHIFT;
+ val = FIELD_PREP(HDC3020_THRESH_HUM_MASK, val);
+ val |= FIELD_GET(HDC3020_THRESH_TEMP_MASK, ret);
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ put_unaligned_be16(reg, buf);
+ put_unaligned_be16(val, buf + 2);
+ buf[4] = crc8(hdc3020_crc8_table, buf + 2, 2, CRC8_INIT_VALUE);
+ return hdc3020_write_bytes(data, buf, 5);
+}
+
+static int hdc3020_read_thresh(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ enum iio_event_info info,
+ int *val, int *val2)
+{
+ struct hdc3020_data *data = iio_priv(indio_dev);
+ u16 reg;
+ int ret;
+
+ /* Select threshold register */
+ if (info == IIO_EV_INFO_VALUE) {
+ if (dir == IIO_EV_DIR_RISING)
+ reg = HDC3020_R_T_RH_THRESH_HIGH;
+ else
+ reg = HDC3020_R_T_RH_THRESH_LOW;
+ } else {
+ if (dir == IIO_EV_DIR_RISING)
+ reg = HDC3020_R_T_RH_THRESH_HIGH_CLR;
+ else
+ reg = HDC3020_R_T_RH_THRESH_LOW_CLR;
+ }
+
+ guard(mutex)(&data->lock);
+ ret = hdc3020_read_be16(data, reg);
+ if (ret < 0)
+ return ret;
+
+ switch (chan->type) {
+ case IIO_TEMP:
+ /*
+ * Get the temperature threshold from 9 LSBs, shift them to get
+ * the truncated temperature threshold representation and
+ * calculate the threshold according to the formula in the
+ * datasheet.
+ */
+ *val = FIELD_GET(HDC3020_THRESH_TEMP_MASK, ret);
+ *val = *val << HDC3020_THRESH_TEMP_TRUNC_SHIFT;
+ *val = -2949075 + (175 * (*val));
+ *val2 = 65535;
+ return IIO_VAL_FRACTIONAL;
+ case IIO_HUMIDITYRELATIVE:
+ /*
+ * Get the humidity threshold from 7 MSBs, shift them to get the
+ * truncated humidity threshold representation and calculate the
+ * threshold according to the formula in the datasheet.
+ */
+ *val = FIELD_GET(HDC3020_THRESH_HUM_MASK, ret);
+ *val = (*val << HDC3020_THRESH_HUM_TRUNC_SHIFT) * 100;
+ *val2 = 65535;
+ return IIO_VAL_FRACTIONAL;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static irqreturn_t hdc3020_interrupt_handler(int irq, void *private)
+{
+ struct iio_dev *indio_dev = private;
+ struct hdc3020_data *data;
+ s64 time;
+ int ret;
+
+ data = iio_priv(indio_dev);
+ ret = hdc3020_read_be16(data, HDC3020_R_STATUS);
+ if (ret < 0)
+ return IRQ_HANDLED;
+
+ if (!(ret & (HDC3020_STATUS_T_HIGH_ALERT | HDC3020_STATUS_T_LOW_ALERT |
+ HDC3020_STATUS_RH_HIGH_ALERT | HDC3020_STATUS_RH_LOW_ALERT)))
+ return IRQ_NONE;
+
+ time = iio_get_time_ns(indio_dev);
+ if (ret & HDC3020_STATUS_T_HIGH_ALERT)
+ iio_push_event(indio_dev,
+ IIO_MOD_EVENT_CODE(IIO_TEMP, 0,
+ IIO_NO_MOD,
+ IIO_EV_TYPE_THRESH,
+ IIO_EV_DIR_RISING),
+ time);
+
+ if (ret & HDC3020_STATUS_T_LOW_ALERT)
+ iio_push_event(indio_dev,
+ IIO_MOD_EVENT_CODE(IIO_TEMP, 0,
+ IIO_NO_MOD,
+ IIO_EV_TYPE_THRESH,
+ IIO_EV_DIR_FALLING),
+ time);
+
+ if (ret & HDC3020_STATUS_RH_HIGH_ALERT)
+ iio_push_event(indio_dev,
+ IIO_MOD_EVENT_CODE(IIO_HUMIDITYRELATIVE, 0,
+ IIO_NO_MOD,
+ IIO_EV_TYPE_THRESH,
+ IIO_EV_DIR_RISING),
+ time);
+
+ if (ret & HDC3020_STATUS_RH_LOW_ALERT)
+ iio_push_event(indio_dev,
+ IIO_MOD_EVENT_CODE(IIO_HUMIDITYRELATIVE, 0,
+ IIO_NO_MOD,
+ IIO_EV_TYPE_THRESH,
+ IIO_EV_DIR_FALLING),
+ time);
+
+ return IRQ_HANDLED;
+}
+
static const struct iio_info hdc3020_info = {
.read_raw = hdc3020_read_raw,
.write_raw = hdc3020_write_raw,
.read_avail = hdc3020_read_available,
+ .read_event_value = hdc3020_read_thresh,
+ .write_event_value = hdc3020_write_thresh,
};
static void hdc3020_stop(void *data)
@@ -350,6 +580,23 @@ static int hdc3020_probe(struct i2c_client *client)
indio_dev->info = &hdc3020_info;
indio_dev->channels = hdc3020_channels;
indio_dev->num_channels = ARRAY_SIZE(hdc3020_channels);
+ if (client->irq) {
+ ret = devm_request_threaded_irq(&client->dev, client->irq,
+ NULL, hdc3020_interrupt_handler,
+ IRQF_ONESHOT, "hdc3020",
+ indio_dev);
+ if (ret)
+ return dev_err_probe(&client->dev, ret,
+ "Failed to request IRQ\n");
+
+ /*
+ * The alert output is activated by default upon power up,
+ * hardware reset, and soft reset. Clear the status register.
+ */
+ ret = hdc3020_exec_cmd(data, HDC3020_S_STATUS);
+ if (ret)
+ return ret;
+ }
ret = hdc3020_exec_cmd(data, HDC3020_S_AUTO_10HZ_MOD0);
if (ret)
--
GitLab
From dfc5660b2438e2c89c43b8cb4303531a05cc3d49 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:30:49 -0800
Subject: [PATCH 0489/2686] Staging: rtl8192e: Rename variable FirstIe_InScan
Rename variable FirstIe_InScan to first_ie_in_scan to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-2-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_wx.c | 2 +-
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
index 5fd44d0c4b1df..d131ef525f463 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
@@ -269,7 +269,7 @@ static int _rtl92e_wx_set_scan(struct net_device *dev,
mutex_lock(&priv->wx_mutex);
- priv->rtllib->FirstIe_InScan = true;
+ priv->rtllib->first_ie_in_scan = true;
if (priv->rtllib->link_state != MAC80211_LINKED) {
if (rt_state == rf_off) {
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 0fdc767d43e05..13a901c0db1d6 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1201,7 +1201,7 @@ struct rtllib_device {
bool cannot_notify;
bool bSupportRemoteWakeUp;
bool actscanning;
- bool FirstIe_InScan;
+ bool first_ie_in_scan;
bool be_scan_inprogress;
bool beinretry;
enum rt_rf_power_state rf_power_state;
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 9d1e9b780bc7f..44b36cc867d98 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -2101,7 +2101,7 @@ int rtllib_softmac_init(struct rtllib_device *ieee)
ieee->reg_dot11tx_ht_oper_rate_set[1] = 0xff;
ieee->reg_dot11tx_ht_oper_rate_set[4] = 0x01;
- ieee->FirstIe_InScan = false;
+ ieee->first_ie_in_scan = false;
ieee->actscanning = false;
ieee->beinretry = false;
ieee->is_set_key = false;
--
GitLab
From a372b8023741783d7753b8993538084b033a45ac Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:30:50 -0800
Subject: [PATCH 0490/2686] Staging: rtl8192e: Rename function
rtllib_rx_ADDBARsp()
Rename function rtllib_rx_ADDBARsp to rtllib_rx_add_ba_rsp to
fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-3-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_BAProc.c | 2 +-
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c
index ee9ce392155c3..da7319c124e77 100644
--- a/drivers/staging/rtl8192e/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c
@@ -300,7 +300,7 @@ int rtllib_rx_ADDBAReq(struct rtllib_device *ieee, struct sk_buff *skb)
}
}
-int rtllib_rx_ADDBARsp(struct rtllib_device *ieee, struct sk_buff *skb)
+int rtllib_rx_add_ba_rsp(struct rtllib_device *ieee, struct sk_buff *skb)
{
struct ieee80211_hdr_3addr *rsp = NULL;
struct ba_record *pending_ba, *admitted_ba;
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 13a901c0db1d6..94f370b40378a 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1772,7 +1772,7 @@ void ht_reset_iot_setting(struct rt_hi_throughput *ht_info);
bool is_ht_half_nmode_aps(struct rtllib_device *ieee);
u16 tx_count_to_data_rate(struct rtllib_device *ieee, u8 nDataRate);
int rtllib_rx_ADDBAReq(struct rtllib_device *ieee, struct sk_buff *skb);
-int rtllib_rx_ADDBARsp(struct rtllib_device *ieee, struct sk_buff *skb);
+int rtllib_rx_add_ba_rsp(struct rtllib_device *ieee, struct sk_buff *skb);
int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb);
void rtllib_ts_init_add_ba(struct rtllib_device *ieee, struct tx_ts_record *ts,
u8 policy, u8 overwrite_pending);
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 44b36cc867d98..cf855ba39c106 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1556,7 +1556,7 @@ static void rtllib_process_action(struct rtllib_device *ieee,
rtllib_rx_ADDBAReq(ieee, skb);
break;
case ACT_ADDBARSP:
- rtllib_rx_ADDBARsp(ieee, skb);
+ rtllib_rx_add_ba_rsp(ieee, skb);
break;
case ACT_DELBA:
rtllib_rx_DELBA(ieee, skb);
--
GitLab
From 808f35c4e635e54c4b3e205cb5b54bd1ed47cdc9 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:30:51 -0800
Subject: [PATCH 0491/2686] Staging: rtl8192e: Rename variable
LPSAwakeIntvl_tmp
Rename variable LPSAwakeIntvl_tmp to lps_awake_intvl_tmp to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-4-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index cf855ba39c106..8a60bf3b70792 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1390,33 +1390,33 @@ static short rtllib_sta_ps_sleep(struct rtllib_device *ieee, u64 *time)
(psc->LPSAwakeIntvl + 1);
}
{
- u8 LPSAwakeIntvl_tmp = 0;
+ u8 lps_awake_intvl_tmp = 0;
u8 period = ieee->current_network.dtim_period;
u8 count = ieee->current_network.tim.tim_count;
if (count == 0) {
if (psc->LPSAwakeIntvl > period)
- LPSAwakeIntvl_tmp = period +
+ lps_awake_intvl_tmp = period +
(psc->LPSAwakeIntvl -
period) -
((psc->LPSAwakeIntvl - period) %
period);
else
- LPSAwakeIntvl_tmp = psc->LPSAwakeIntvl;
+ lps_awake_intvl_tmp = psc->LPSAwakeIntvl;
} else {
if (psc->LPSAwakeIntvl >
ieee->current_network.tim.tim_count)
- LPSAwakeIntvl_tmp = count +
+ lps_awake_intvl_tmp = count +
(psc->LPSAwakeIntvl - count) -
((psc->LPSAwakeIntvl - count) % period);
else
- LPSAwakeIntvl_tmp = psc->LPSAwakeIntvl;
+ lps_awake_intvl_tmp = psc->LPSAwakeIntvl;
}
*time = ieee->current_network.last_dtim_sta_time
+ msecs_to_jiffies(ieee->current_network.beacon_interval *
- LPSAwakeIntvl_tmp);
+ lps_awake_intvl_tmp);
}
}
--
GitLab
From 6b7a8b468befd36890e6d333c85d200c610f8121 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:30:52 -0800
Subject: [PATCH 0492/2686] Staging: rtl8192e: Rename variable LPSDelayCnt
Rename variable LPSDelayCnt to lps_delay_cnt to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-5-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 2 +-
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
drivers/staging/rtl8192e/rtllib_tx.c | 4 ++--
4 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 32acba4ce3f74..a527d7f61eef4 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -705,7 +705,7 @@ static void _rtl92e_init_priv_variable(struct net_device *dev)
priv->hw_rf_off_action = 0;
priv->set_rf_pwr_state_in_progress = false;
priv->rtllib->pwr_save_ctrl.bLeisurePs = true;
- priv->rtllib->LPSDelayCnt = 0;
+ priv->rtllib->lps_delay_cnt = 0;
priv->rtllib->sta_sleep = LPS_IS_WAKE;
priv->rtllib->rf_power_state = rf_on;
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 94f370b40378a..0a366874a827e 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1375,7 +1375,7 @@ struct rtllib_device {
/* for PS mode */
unsigned long last_rx_ps_time;
bool awake_pkt_sent;
- u8 LPSDelayCnt;
+ u8 lps_delay_cnt;
/* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */
struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM];
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 8a60bf3b70792..b5cd030f28c87 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1351,8 +1351,8 @@ static short rtllib_sta_ps_sleep(struct rtllib_device *ieee, u64 *time)
u8 dtim;
struct rt_pwr_save_ctrl *psc = &ieee->pwr_save_ctrl;
- if (ieee->LPSDelayCnt) {
- ieee->LPSDelayCnt--;
+ if (ieee->lps_delay_cnt) {
+ ieee->lps_delay_cnt--;
return 0;
}
diff --git a/drivers/staging/rtl8192e/rtllib_tx.c b/drivers/staging/rtl8192e/rtllib_tx.c
index b82f3415085bf..e61eb6e87ab43 100644
--- a/drivers/staging/rtl8192e/rtllib_tx.c
+++ b/drivers/staging/rtl8192e/rtllib_tx.c
@@ -595,14 +595,14 @@ static int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev)
((((u8 *)udp)[1] == 67) &&
(((u8 *)udp)[3] == 68))) {
bdhcp = true;
- ieee->LPSDelayCnt = 200;
+ ieee->lps_delay_cnt = 200;
}
}
} else if (ether_type == ETH_P_ARP) {
netdev_info(ieee->dev,
"=================>DHCP Protocol start tx ARP pkt!!\n");
bdhcp = true;
- ieee->LPSDelayCnt =
+ ieee->lps_delay_cnt =
ieee->current_network.tim.tim_count;
}
}
--
GitLab
From 583b7e3b93f584549379c2e204181fbb92fabdc9 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:30:53 -0800
Subject: [PATCH 0493/2686] Staging: rtl8192e: Rename function pointer
SetHwRegHandler()
Rename function pointer SetHwRegHandler to set_hw_reg_handler to fix
checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-6-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 4 ++--
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 12 ++++++------
drivers/staging/rtl8192e/rtl8192e/rtl_dm.c | 6 +++---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 6 +++---
5 files changed, 15 insertions(+), 15 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index 9b9d95ba06dfc..4cd3d7b7c31c7 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -164,7 +164,7 @@ void rtl92e_set_reg(struct net_device *dev, u8 variable, u8 *val)
eACI);
break;
}
- priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACM_CTRL,
+ priv->rtllib->set_hw_reg_handler(dev, HW_VAR_ACM_CTRL,
&pAcParam);
break;
}
@@ -1698,7 +1698,7 @@ void rtl92e_stop_adapter(struct net_device *dev, bool reset)
u32 ulRegRead;
op_mode = RT_OP_MODE_NO_LINK;
- priv->rtllib->SetHwRegHandler(dev, HW_VAR_MEDIA_STATUS, &op_mode);
+ priv->rtllib->set_hw_reg_handler(dev, HW_VAR_MEDIA_STATUS, &op_mode);
if (!priv->rtllib->bSupportRemoteWakeUp) {
u1bTmp = 0x0;
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index a527d7f61eef4..6bfc0485d4fc8 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -236,14 +236,14 @@ static void _rtl92e_update_cap(struct net_device *dev, u16 cap)
if (priv->dot11_current_preamble_mode != PREAMBLE_SHORT) {
ShortPreamble = true;
priv->dot11_current_preamble_mode = PREAMBLE_SHORT;
- priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
+ priv->rtllib->set_hw_reg_handler(dev, HW_VAR_ACK_PREAMBLE,
(unsigned char *)&ShortPreamble);
}
} else {
if (priv->dot11_current_preamble_mode != PREAMBLE_LONG) {
ShortPreamble = false;
priv->dot11_current_preamble_mode = PREAMBLE_LONG;
- priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
+ priv->rtllib->set_hw_reg_handler(dev, HW_VAR_ACK_PREAMBLE,
(unsigned char *)&ShortPreamble);
}
}
@@ -256,13 +256,13 @@ static void _rtl92e_update_cap(struct net_device *dev, u16 cap)
(!priv->rtllib->ht_info->current_rt2rt_long_slot_time)) {
if (cur_slot_time != SHORT_SLOT_TIME) {
slot_time_val = SHORT_SLOT_TIME;
- priv->rtllib->SetHwRegHandler(dev,
+ priv->rtllib->set_hw_reg_handler(dev,
HW_VAR_SLOT_TIME, &slot_time_val);
}
} else {
if (cur_slot_time != NON_SHORT_SLOT_TIME) {
slot_time_val = NON_SHORT_SLOT_TIME;
- priv->rtllib->SetHwRegHandler(dev,
+ priv->rtllib->set_hw_reg_handler(dev,
HW_VAR_SLOT_TIME, &slot_time_val);
}
}
@@ -301,7 +301,7 @@ static void _rtl92e_qos_activate(void *data)
goto success;
for (i = 0; i < QOS_QUEUE_NUM; i++)
- priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8 *)(&i));
+ priv->rtllib->set_hw_reg_handler(dev, HW_VAR_AC_PARAM, (u8 *)(&i));
success:
mutex_unlock(&priv->mutex);
@@ -660,7 +660,7 @@ static void _rtl92e_init_priv_handler(struct net_device *dev)
priv->rtllib->GetHalfNmodeSupportByAPsHandler =
rtl92e_is_halfn_supported_by_ap;
- priv->rtllib->SetHwRegHandler = rtl92e_set_reg;
+ priv->rtllib->set_hw_reg_handler = rtl92e_set_reg;
priv->rtllib->AllowAllDestAddrHandler = rtl92e_set_monitor_mode;
priv->rtllib->init_gain_handler = rtl92e_init_gain;
priv->rtllib->rtllib_ips_leave_wq = rtl92e_rtllib_ips_leave_wq;
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
index 92143c50c149a..57e1a361a7c9f 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
@@ -1185,7 +1185,7 @@ static void _rtl92e_dm_check_edca_turbo(struct net_device *dev)
if (priv->bcurrent_turbo_EDCA) {
u8 tmp = AC0_BE;
- priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM,
+ priv->rtllib->set_hw_reg_handler(dev, HW_VAR_AC_PARAM,
(u8 *)(&tmp));
priv->bcurrent_turbo_EDCA = false;
}
@@ -1636,7 +1636,7 @@ static void _rtl92e_dm_start_hw_fsync(struct net_device *dev)
struct r8192_priv *priv = rtllib_priv(dev);
rtl92e_writel(dev, rOFDM0_RxDetector2, 0x465c12cf);
- priv->rtllib->SetHwRegHandler(dev, HW_VAR_RF_TIMING,
+ priv->rtllib->set_hw_reg_handler(dev, HW_VAR_RF_TIMING,
(u8 *)(&rf_timing));
rtl92e_writeb(dev, 0xc3b, 0x41);
}
@@ -1647,7 +1647,7 @@ static void _rtl92e_dm_end_hw_fsync(struct net_device *dev)
struct r8192_priv *priv = rtllib_priv(dev);
rtl92e_writel(dev, rOFDM0_RxDetector2, 0x465c52cd);
- priv->rtllib->SetHwRegHandler(dev, HW_VAR_RF_TIMING, (u8 *)
+ priv->rtllib->set_hw_reg_handler(dev, HW_VAR_RF_TIMING, (u8 *)
(&rf_timing));
rtl92e_writeb(dev, 0xc3b, 0x49);
}
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 0a366874a827e..cd45a9c46a94b 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1491,7 +1491,7 @@ struct rtllib_device {
void (*init_gain_handler)(struct net_device *dev, u8 Operation);
void (*ScanOperationBackupHandler)(struct net_device *dev,
u8 Operation);
- void (*SetHwRegHandler)(struct net_device *dev, u8 variable, u8 *val);
+ void (*set_hw_reg_handler)(struct net_device *dev, u8 variable, u8 *val);
void (*AllowAllDestAddrHandler)(struct net_device *dev,
bool bAllowAllDA, bool WriteIntoReg);
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index b5cd030f28c87..b5fe471f765bd 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -2256,11 +2256,11 @@ static void rtllib_mlme_disassociate_request(struct rtllib_device *rtllib,
rtllib->current_network.bssid[i] = 0x22;
op_mode = RT_OP_MODE_NO_LINK;
rtllib->op_mode = RT_OP_MODE_NO_LINK;
- rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_MEDIA_STATUS,
+ rtllib->set_hw_reg_handler(rtllib->dev, HW_VAR_MEDIA_STATUS,
(u8 *)(&op_mode));
rtllib_disassociate(rtllib);
- rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_BSSID,
+ rtllib->set_hw_reg_handler(rtllib->dev, HW_VAR_BSSID,
rtllib->current_network.bssid);
}
}
@@ -2270,7 +2270,7 @@ static void rtllib_mgnt_disconnect_ap(struct rtllib_device *rtllib, u8 asRsn)
bool filter_out_nonassociated_bssid = false;
filter_out_nonassociated_bssid = false;
- rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_CECHK_BSSID,
+ rtllib->set_hw_reg_handler(rtllib->dev, HW_VAR_CECHK_BSSID,
(u8 *)(&filter_out_nonassociated_bssid));
rtllib_mlme_disassociate_request(rtllib, rtllib->current_network.bssid,
asRsn);
--
GitLab
From e51e94692d5952dc24f16831a3a6c4363c703ea0 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:30:54 -0800
Subject: [PATCH 0494/2686] Staging: rtl8192e: Rename function
MgntQuery_TxRateExcludeCCKRates()
Rename function MgntQuery_TxRateExcludeCCKRates to
mgnt_query_tx_rate_exclude_cck_rates to fix checkpatch warning Avoid
CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-7-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
drivers/staging/rtl8192e/rtllib_tx.c | 4 ++--
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index cd45a9c46a94b..c380d1c3e9b6a 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1821,6 +1821,6 @@ int rtllib_parse_info_param(struct rtllib_device *ieee,
void rtllib_indicate_packets(struct rtllib_device *ieee,
struct rtllib_rxb **prxbIndicateArray, u8 index);
#define RT_ASOC_RETRY_LIMIT 5
-u8 MgntQuery_TxRateExcludeCCKRates(struct rtllib_device *ieee);
+u8 mgnt_query_tx_rate_exclude_cck_rates(struct rtllib_device *ieee);
#endif /* RTLLIB_H */
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index b5fe471f765bd..c231e7acd6064 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -138,7 +138,7 @@ static void init_mgmt_queue(struct rtllib_device *ieee)
ieee->mgmt_queue_head = 0;
}
-u8 MgntQuery_TxRateExcludeCCKRates(struct rtllib_device *ieee)
+u8 mgnt_query_tx_rate_exclude_cck_rates(struct rtllib_device *ieee)
{
u16 i;
u8 query_rate = 0;
diff --git a/drivers/staging/rtl8192e/rtllib_tx.c b/drivers/staging/rtl8192e/rtllib_tx.c
index e61eb6e87ab43..54100dd81505b 100644
--- a/drivers/staging/rtl8192e/rtllib_tx.c
+++ b/drivers/staging/rtl8192e/rtllib_tx.c
@@ -832,7 +832,7 @@ static int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev)
if (ieee->ht_info->iot_action &
HT_IOT_ACT_WA_IOT_Broadcom) {
tcb_desc->data_rate =
- MgntQuery_TxRateExcludeCCKRates(ieee);
+ mgnt_query_tx_rate_exclude_cck_rates(ieee);
tcb_desc->tx_dis_rate_fallback = false;
} else {
tcb_desc->data_rate = ieee->basic_rate;
@@ -856,7 +856,7 @@ static int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev)
if (ieee->ht_info->iot_action &
HT_IOT_ACT_WA_IOT_Broadcom) {
tcb_desc->data_rate =
- MgntQuery_TxRateExcludeCCKRates(ieee);
+ mgnt_query_tx_rate_exclude_cck_rates(ieee);
tcb_desc->tx_dis_rate_fallback = false;
} else {
tcb_desc->data_rate = MGN_1M;
--
GitLab
From 05ee6e2ffc959af78155367c7f3256b690e95693 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:30:55 -0800
Subject: [PATCH 0495/2686] Staging: rtl8192e: Rename variable PeerHTCapBuf
Rename variable PeerHTCapBuf to peer_ht_cap_buf to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-8-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_HT.h | 2 +-
drivers/staging/rtl8192e/rtl819x_HTProc.c | 14 +++++++-------
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
3 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_HT.h b/drivers/staging/rtl8192e/rtl819x_HT.h
index 68577bffb936d..29e1206078fe6 100644
--- a/drivers/staging/rtl8192e/rtl819x_HT.h
+++ b/drivers/staging/rtl8192e/rtl819x_HT.h
@@ -99,7 +99,7 @@ struct rt_hi_throughput {
u8 cur_short_gi_20mhz;
enum ht_spec_ver peer_ht_spec_ver;
struct ht_capab_ele SelfHTCap;
- u8 PeerHTCapBuf[32];
+ u8 peer_ht_cap_buf[32];
u8 PeerHTInfoBuf[32];
u8 ampdu_enable;
u8 current_ampdu_enable;
diff --git a/drivers/staging/rtl8192e/rtl819x_HTProc.c b/drivers/staging/rtl8192e/rtl819x_HTProc.c
index 6d0912f90198f..cea3284dd7873 100644
--- a/drivers/staging/rtl8192e/rtl819x_HTProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_HTProc.c
@@ -437,10 +437,10 @@ void ht_on_assoc_rsp(struct rtllib_device *ieee)
}
netdev_dbg(ieee->dev, "%s(): HT_ENABLE\n", __func__);
- if (!memcmp(ht_info->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap)))
- pPeerHTCap = (struct ht_capab_ele *)(&ht_info->PeerHTCapBuf[4]);
+ if (!memcmp(ht_info->peer_ht_cap_buf, EWC11NHTCap, sizeof(EWC11NHTCap)))
+ pPeerHTCap = (struct ht_capab_ele *)(&ht_info->peer_ht_cap_buf[4]);
else
- pPeerHTCap = (struct ht_capab_ele *)(ht_info->PeerHTCapBuf);
+ pPeerHTCap = (struct ht_capab_ele *)(ht_info->peer_ht_cap_buf);
if (!memcmp(ht_info->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
pPeerHTInfo = (struct ht_info_ele *)
@@ -518,8 +518,8 @@ void ht_initialize_ht_info(struct rtllib_device *ieee)
memset((void *)(&ht_info->SelfHTCap), 0,
sizeof(ht_info->SelfHTCap));
- memset((void *)(&ht_info->PeerHTCapBuf), 0,
- sizeof(ht_info->PeerHTCapBuf));
+ memset((void *)(&ht_info->peer_ht_cap_buf), 0,
+ sizeof(ht_info->peer_ht_cap_buf));
memset((void *)(&ht_info->PeerHTInfoBuf), 0,
sizeof(ht_info->PeerHTInfoBuf));
@@ -572,8 +572,8 @@ void ht_reset_self_and_save_peer_setting(struct rtllib_device *ieee,
ht_info->peer_ht_spec_ver = pNetwork->bssht.bd_ht_spec_ver;
if (pNetwork->bssht.bd_ht_cap_len > 0 &&
- pNetwork->bssht.bd_ht_cap_len <= sizeof(ht_info->PeerHTCapBuf))
- memcpy(ht_info->PeerHTCapBuf,
+ pNetwork->bssht.bd_ht_cap_len <= sizeof(ht_info->peer_ht_cap_buf))
+ memcpy(ht_info->peer_ht_cap_buf,
pNetwork->bssht.bd_ht_cap_buf,
pNetwork->bssht.bd_ht_cap_len);
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index c231e7acd6064..aa98d22db90af 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1606,7 +1606,7 @@ rtllib_rx_assoc_resp(struct rtllib_device *ieee, struct sk_buff *skb,
kfree(network);
return 1;
}
- memcpy(ieee->ht_info->PeerHTCapBuf,
+ memcpy(ieee->ht_info->peer_ht_cap_buf,
network->bssht.bd_ht_cap_buf,
network->bssht.bd_ht_cap_len);
memcpy(ieee->ht_info->PeerHTInfoBuf,
--
GitLab
From 332fe0ec286427713607064021b712914bef701c Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:30:56 -0800
Subject: [PATCH 0496/2686] Staging: rtl8192e: Rename variable PeerHTInfoBuf
Rename variable PeerHTInfoBuf to peer_ht_info_buf to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-9-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_HT.h | 2 +-
drivers/staging/rtl8192e/rtl819x_HTProc.c | 14 +++++++-------
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
3 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_HT.h b/drivers/staging/rtl8192e/rtl819x_HT.h
index 29e1206078fe6..18dab893270ff 100644
--- a/drivers/staging/rtl8192e/rtl819x_HT.h
+++ b/drivers/staging/rtl8192e/rtl819x_HT.h
@@ -100,7 +100,7 @@ struct rt_hi_throughput {
enum ht_spec_ver peer_ht_spec_ver;
struct ht_capab_ele SelfHTCap;
u8 peer_ht_cap_buf[32];
- u8 PeerHTInfoBuf[32];
+ u8 peer_ht_info_buf[32];
u8 ampdu_enable;
u8 current_ampdu_enable;
u8 ampdu_factor;
diff --git a/drivers/staging/rtl8192e/rtl819x_HTProc.c b/drivers/staging/rtl8192e/rtl819x_HTProc.c
index cea3284dd7873..98f0ac80f1fd8 100644
--- a/drivers/staging/rtl8192e/rtl819x_HTProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_HTProc.c
@@ -442,11 +442,11 @@ void ht_on_assoc_rsp(struct rtllib_device *ieee)
else
pPeerHTCap = (struct ht_capab_ele *)(ht_info->peer_ht_cap_buf);
- if (!memcmp(ht_info->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
+ if (!memcmp(ht_info->peer_ht_info_buf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
pPeerHTInfo = (struct ht_info_ele *)
- (&ht_info->PeerHTInfoBuf[4]);
+ (&ht_info->peer_ht_info_buf[4]);
else
- pPeerHTInfo = (struct ht_info_ele *)(ht_info->PeerHTInfoBuf);
+ pPeerHTInfo = (struct ht_info_ele *)(ht_info->peer_ht_info_buf);
#ifdef VERBOSE_DEBUG
print_hex_dump_bytes("%s: ", __func__, DUMP_PREFIX_NONE,
@@ -520,8 +520,8 @@ void ht_initialize_ht_info(struct rtllib_device *ieee)
sizeof(ht_info->SelfHTCap));
memset((void *)(&ht_info->peer_ht_cap_buf), 0,
sizeof(ht_info->peer_ht_cap_buf));
- memset((void *)(&ht_info->PeerHTInfoBuf), 0,
- sizeof(ht_info->PeerHTInfoBuf));
+ memset((void *)(&ht_info->peer_ht_info_buf), 0,
+ sizeof(ht_info->peer_ht_info_buf));
ht_info->sw_bw_in_progress = false;
@@ -579,8 +579,8 @@ void ht_reset_self_and_save_peer_setting(struct rtllib_device *ieee,
if (pNetwork->bssht.bd_ht_info_len > 0 &&
pNetwork->bssht.bd_ht_info_len <=
- sizeof(ht_info->PeerHTInfoBuf))
- memcpy(ht_info->PeerHTInfoBuf,
+ sizeof(ht_info->peer_ht_info_buf))
+ memcpy(ht_info->peer_ht_info_buf,
pNetwork->bssht.bd_ht_info_buf,
pNetwork->bssht.bd_ht_info_len);
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index aa98d22db90af..9ee6364f7b001 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1609,7 +1609,7 @@ rtllib_rx_assoc_resp(struct rtllib_device *ieee, struct sk_buff *skb,
memcpy(ieee->ht_info->peer_ht_cap_buf,
network->bssht.bd_ht_cap_buf,
network->bssht.bd_ht_cap_len);
- memcpy(ieee->ht_info->PeerHTInfoBuf,
+ memcpy(ieee->ht_info->peer_ht_info_buf,
network->bssht.bd_ht_info_buf,
network->bssht.bd_ht_info_len);
ieee->handle_assoc_response(ieee->dev,
--
GitLab
From a9055dc8e5cad4a47c2101db9ef10de7ca55461a Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:30:57 -0800
Subject: [PATCH 0497/2686] Staging: rtl8192e: Rename variable LPSAwakeIntvl
Rename variable LPSAwakeIntvl to lps_awake_intvl to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-10-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 26 +++++++++++------------
2 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index c380d1c3e9b6a..8de46b61416b3 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1072,7 +1072,7 @@ struct rt_pwr_save_ctrl {
bool bLeisurePs;
u8 LpsIdleCount;
- u8 LPSAwakeIntvl;
+ u8 lps_awake_intvl;
u32 CurPsLevel;
};
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 9ee6364f7b001..545f79387991f 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1379,15 +1379,15 @@ static short rtllib_sta_ps_sleep(struct rtllib_device *ieee, u64 *time)
if (time) {
if (ieee->awake_pkt_sent) {
- psc->LPSAwakeIntvl = 1;
+ psc->lps_awake_intvl = 1;
} else {
u8 max_period = 5;
- if (psc->LPSAwakeIntvl == 0)
- psc->LPSAwakeIntvl = 1;
- psc->LPSAwakeIntvl = (psc->LPSAwakeIntvl >=
+ if (psc->lps_awake_intvl == 0)
+ psc->lps_awake_intvl = 1;
+ psc->lps_awake_intvl = (psc->lps_awake_intvl >=
max_period) ? max_period :
- (psc->LPSAwakeIntvl + 1);
+ (psc->lps_awake_intvl + 1);
}
{
u8 lps_awake_intvl_tmp = 0;
@@ -1395,23 +1395,23 @@ static short rtllib_sta_ps_sleep(struct rtllib_device *ieee, u64 *time)
u8 count = ieee->current_network.tim.tim_count;
if (count == 0) {
- if (psc->LPSAwakeIntvl > period)
+ if (psc->lps_awake_intvl > period)
lps_awake_intvl_tmp = period +
- (psc->LPSAwakeIntvl -
+ (psc->lps_awake_intvl -
period) -
- ((psc->LPSAwakeIntvl - period) %
+ ((psc->lps_awake_intvl - period) %
period);
else
- lps_awake_intvl_tmp = psc->LPSAwakeIntvl;
+ lps_awake_intvl_tmp = psc->lps_awake_intvl;
} else {
- if (psc->LPSAwakeIntvl >
+ if (psc->lps_awake_intvl >
ieee->current_network.tim.tim_count)
lps_awake_intvl_tmp = count +
- (psc->LPSAwakeIntvl - count) -
- ((psc->LPSAwakeIntvl - count) % period);
+ (psc->lps_awake_intvl - count) -
+ ((psc->lps_awake_intvl - count) % period);
else
- lps_awake_intvl_tmp = psc->LPSAwakeIntvl;
+ lps_awake_intvl_tmp = psc->lps_awake_intvl;
}
*time = ieee->current_network.last_dtim_sta_time
--
GitLab
From 0efe628a94b6503d0152b88db4a71f064c3334fc Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:30:58 -0800
Subject: [PATCH 0498/2686] Staging: rtl8192e: Rename variable SelfHTCap
Rename variable SelfHTCap to self_ht_cap to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-11-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_HT.h | 2 +-
drivers/staging/rtl8192e/rtl819x_HTProc.c | 4 ++--
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
3 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_HT.h b/drivers/staging/rtl8192e/rtl819x_HT.h
index 18dab893270ff..a4580445305d9 100644
--- a/drivers/staging/rtl8192e/rtl819x_HT.h
+++ b/drivers/staging/rtl8192e/rtl819x_HT.h
@@ -98,7 +98,7 @@ struct rt_hi_throughput {
u8 cur_short_gi_40mhz;
u8 cur_short_gi_20mhz;
enum ht_spec_ver peer_ht_spec_ver;
- struct ht_capab_ele SelfHTCap;
+ struct ht_capab_ele self_ht_cap;
u8 peer_ht_cap_buf[32];
u8 peer_ht_info_buf[32];
u8 ampdu_enable;
diff --git a/drivers/staging/rtl8192e/rtl819x_HTProc.c b/drivers/staging/rtl8192e/rtl819x_HTProc.c
index 98f0ac80f1fd8..76f115f56680a 100644
--- a/drivers/staging/rtl8192e/rtl819x_HTProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_HTProc.c
@@ -516,8 +516,8 @@ void ht_initialize_ht_info(struct rtllib_device *ieee)
ht_info->current_mpdu_density = 0;
ht_info->CurrentAMPDUFactor = ht_info->ampdu_factor;
- memset((void *)(&ht_info->SelfHTCap), 0,
- sizeof(ht_info->SelfHTCap));
+ memset((void *)(&ht_info->self_ht_cap), 0,
+ sizeof(ht_info->self_ht_cap));
memset((void *)(&ht_info->peer_ht_cap_buf), 0,
sizeof(ht_info->peer_ht_cap_buf));
memset((void *)(&ht_info->peer_ht_info_buf), 0,
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 545f79387991f..60598b41fb9fa 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -728,8 +728,8 @@ rtllib_association_req(struct rtllib_network *beacon,
}
if (ieee->ht_info->current_ht_support && ieee->ht_info->enable_ht) {
- ht_cap_buf = (u8 *)&ieee->ht_info->SelfHTCap;
- ht_cap_len = sizeof(ieee->ht_info->SelfHTCap);
+ ht_cap_buf = (u8 *)&ieee->ht_info->self_ht_cap;
+ ht_cap_len = sizeof(ieee->ht_info->self_ht_cap);
ht_construct_capability_element(ieee, ht_cap_buf, &ht_cap_len,
encrypt, true);
if (ieee->ht_info->current_rt2rt_aggregation) {
--
GitLab
From 459a6c2b25806214d0f41dc539561a66954f9194 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:30:59 -0800
Subject: [PATCH 0499/2686] Staging: rtl8192e: Fix paren alignment for
rtllib_disable_net_monitor_mode()
Join 2 lines to fix Warning: Alignment should match open parenthesis
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-12-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 60598b41fb9fa..538689fb55803 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -361,8 +361,7 @@ void rtllib_enable_net_monitor_mode(struct net_device *dev,
/* Disables network monitor mode. Only packets destinated to
* us will be received.
*/
-void rtllib_disable_net_monitor_mode(struct net_device *dev,
- bool init_state)
+void rtllib_disable_net_monitor_mode(struct net_device *dev, bool init_state)
{
struct rtllib_device *ieee = netdev_priv_rsl(dev);
--
GitLab
From 9842cb03969ec55eee44ffed2ad938e80b5d3844 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:31:00 -0800
Subject: [PATCH 0500/2686] Staging: rtl8192e: Fixup if statement broken across
multiple lines.
Join broken lines across if statement to fix checkpatch warning:
Lines should not end with a '('
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-13-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 538689fb55803..ab41632def7ab 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1736,10 +1736,8 @@ rtllib_rx_deauth(struct rtllib_device *ieee, struct sk_buff *skb)
ieee->link_detect_info.busy_traffic = false;
rtllib_disassociate(ieee);
remove_peer_ts(ieee, header->addr2);
- if (!(ieee->rtllib_ap_sec_type(ieee) &
- (SEC_ALG_CCMP | SEC_ALG_TKIP)))
- schedule_delayed_work(
- &ieee->associate_procedure_wq, 5);
+ if (!(ieee->rtllib_ap_sec_type(ieee) & (SEC_ALG_CCMP | SEC_ALG_TKIP)))
+ schedule_delayed_work(&ieee->associate_procedure_wq, 5);
}
return 0;
}
--
GitLab
From c64b64c98bc714db87bd062fbb936c88a0832970 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:31:01 -0800
Subject: [PATCH 0501/2686] Staging: rtl8192e: Remove unnecessary blank line
Remove blank line to fix checkpatch warning:
Blank lines aren't necessary before a close brace '}'
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-14-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index ab41632def7ab..dc91e59f1bc28 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1081,7 +1081,6 @@ static void rtllib_associate_complete_wq(void *data)
}
psc->LpsIdleCount = 0;
ieee->link_change(ieee->dev);
-
}
static void rtllib_sta_send_associnfo(struct rtllib_device *ieee)
--
GitLab
From 3f3dd0a07c8a7646c1e1038ca611c7b7a3cbde3f Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:31:02 -0800
Subject: [PATCH 0502/2686] Staging: rtl8192e: Fix if statement alignment with
open parenthesis
Add a space in front of statement to fix checkpatch warning:
Alignment should match open parenthesis
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-15-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index dc91e59f1bc28..5281138ad468b 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1207,7 +1207,7 @@ inline void rtllib_softmac_new_net(struct rtllib_device *ieee,
ieee->current_network.flags);
if ((rtllib_act_scanning(ieee, false)) &&
- !(ieee->softmac_features & IEEE_SOFTMAC_SCAN))
+ !(ieee->softmac_features & IEEE_SOFTMAC_SCAN))
rtllib_stop_scan_syncro(ieee);
ht_reset_iot_setting(ieee->ht_info);
--
GitLab
From 1650401eac5ff0f90f9ac717183cf8c2fa5c1dca Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:31:03 -0800
Subject: [PATCH 0503/2686] Staging: rtl8192e: Rename variable Octet
Rename variable Octet to octet to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-16-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_Qos.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 16 ++++++++--------
2 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_Qos.h b/drivers/staging/rtl8192e/rtl819x_Qos.h
index 50e01ca49a4ce..dc991100742f4 100644
--- a/drivers/staging/rtl8192e/rtl819x_Qos.h
+++ b/drivers/staging/rtl8192e/rtl819x_Qos.h
@@ -13,7 +13,7 @@ struct qos_tsinfo {
};
struct octet_string {
- u8 *Octet;
+ u8 *octet;
u16 Length;
};
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 5281138ad468b..e472924555850 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -823,17 +823,17 @@ rtllib_association_req(struct rtllib_network *beacon,
struct octet_string osCcxAironetIE;
memset(CcxAironetBuf, 0, 30);
- osCcxAironetIE.Octet = CcxAironetBuf;
+ osCcxAironetIE.octet = CcxAironetBuf;
osCcxAironetIE.Length = sizeof(CcxAironetBuf);
- memcpy(osCcxAironetIE.Octet, AironetIeOui,
+ memcpy(osCcxAironetIE.octet, AironetIeOui,
sizeof(AironetIeOui));
- osCcxAironetIE.Octet[IE_CISCO_FLAG_POSITION] |=
+ osCcxAironetIE.octet[IE_CISCO_FLAG_POSITION] |=
(SUPPORT_CKIP_PK | SUPPORT_CKIP_MIC);
tag = skb_put(skb, ckip_ie_len);
*tag++ = MFIE_TYPE_AIRONET;
*tag++ = osCcxAironetIE.Length;
- memcpy(tag, osCcxAironetIE.Octet, osCcxAironetIE.Length);
+ memcpy(tag, osCcxAironetIE.octet, osCcxAironetIE.Length);
tag += osCcxAironetIE.Length;
}
@@ -842,12 +842,12 @@ rtllib_association_req(struct rtllib_network *beacon,
0x00};
struct octet_string osCcxRmCap;
- osCcxRmCap.Octet = (u8 *)CcxRmCapBuf;
+ osCcxRmCap.octet = (u8 *)CcxRmCapBuf;
osCcxRmCap.Length = sizeof(CcxRmCapBuf);
tag = skb_put(skb, ccxrm_ie_len);
*tag++ = MFIE_TYPE_GENERIC;
*tag++ = osCcxRmCap.Length;
- memcpy(tag, osCcxRmCap.Octet, osCcxRmCap.Length);
+ memcpy(tag, osCcxRmCap.octet, osCcxRmCap.Length);
tag += osCcxRmCap.Length;
}
@@ -856,12 +856,12 @@ rtllib_association_req(struct rtllib_network *beacon,
struct octet_string osCcxVerNum;
CcxVerNumBuf[4] = beacon->BssCcxVerNumber;
- osCcxVerNum.Octet = CcxVerNumBuf;
+ osCcxVerNum.octet = CcxVerNumBuf;
osCcxVerNum.Length = sizeof(CcxVerNumBuf);
tag = skb_put(skb, cxvernum_ie_len);
*tag++ = MFIE_TYPE_GENERIC;
*tag++ = osCcxVerNum.Length;
- memcpy(tag, osCcxVerNum.Octet, osCcxVerNum.Length);
+ memcpy(tag, osCcxVerNum.octet, osCcxVerNum.Length);
tag += osCcxVerNum.Length;
}
if (ieee->ht_info->current_ht_support && ieee->ht_info->enable_ht) {
--
GitLab
From 0dd08a4b53de1f6b5af0eb52c8b3db38a8d98e54 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:31:04 -0800
Subject: [PATCH 0504/2686] Staging: rtl8192e: Rename variable LpsIdleCount
Rename variable LpsIdleCount to lps_idle_count to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-17-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_ps.c | 4 ++--
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
index 44a9fe8318497..5aac9110bff68 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
@@ -208,12 +208,12 @@ void rtl92e_leisure_ps_enter(struct net_device *dev)
return;
if (psc->bLeisurePs) {
- if (psc->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) {
+ if (psc->lps_idle_count >= RT_CHECK_FOR_HANG_PERIOD) {
if (priv->rtllib->ps == RTLLIB_PS_DISABLED)
_rtl92e_ps_set_mode(dev, RTLLIB_PS_MBCAST | RTLLIB_PS_UNICAST);
} else {
- psc->LpsIdleCount++;
+ psc->lps_idle_count++;
}
}
}
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 8de46b61416b3..0ca38ca4d3afd 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1071,7 +1071,7 @@ struct rt_pwr_save_ctrl {
enum ips_callback_function ReturnPoint;
bool bLeisurePs;
- u8 LpsIdleCount;
+ u8 lps_idle_count;
u8 lps_awake_intvl;
u32 CurPsLevel;
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index e472924555850..a7e7a0b0214fe 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1079,7 +1079,7 @@ static void rtllib_associate_complete_wq(void *data)
ieee->link_detect_info.NumRecvBcnInPeriod = 1;
ieee->link_detect_info.NumRecvDataInPeriod = 1;
}
- psc->LpsIdleCount = 0;
+ psc->lps_idle_count = 0;
ieee->link_change(ieee->dev);
}
--
GitLab
From 34eb6bea1ffb8fd9dff2a7174651e6aaac4b3b7e Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:31:05 -0800
Subject: [PATCH 0505/2686] Staging: rtl8192e: Rename variable
NumRecvBcnInPeriod
Rename variable NumRecvBcnInPeriod to num_recv_bcn_in_period to fix
checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-18-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 4 ++--
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_rx.c | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 6 +++---
drivers/staging/rtl8192e/rtllib_softmac_wx.c | 4 ++--
5 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 6bfc0485d4fc8..bf1c8bd8ecc8d 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -923,7 +923,7 @@ static void _rtl92e_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
slot_index = (priv->rtllib->link_detect_info.slot_index++) %
(priv->rtllib->link_detect_info.slot_num);
priv->rtllib->link_detect_info.RxBcnNum[slot_index] =
- priv->rtllib->link_detect_info.NumRecvBcnInPeriod;
+ priv->rtllib->link_detect_info.num_recv_bcn_in_period;
priv->rtllib->link_detect_info.RxDataNum[slot_index] =
priv->rtllib->link_detect_info.NumRecvDataInPeriod;
for (i = 0; i < priv->rtllib->link_detect_info.slot_num; i++) {
@@ -1045,7 +1045,7 @@ static void _rtl92e_watchdog_wq_cb(void *data)
priv->check_roaming_cnt = 0;
}
- ieee->link_detect_info.NumRecvBcnInPeriod = 0;
+ ieee->link_detect_info.num_recv_bcn_in_period = 0;
ieee->link_detect_info.NumRecvDataInPeriod = 0;
}
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 0ca38ca4d3afd..07a89d1af86d7 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1110,7 +1110,7 @@ enum scan_op_backup_opt {
#define RT_MAX_LD_SLOT_NUM 10
struct rt_link_detect {
- u32 NumRecvBcnInPeriod;
+ u32 num_recv_bcn_in_period;
u32 NumRecvDataInPeriod;
u32 RxBcnNum[RT_MAX_LD_SLOT_NUM];
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index f777febcfe3bb..e6be6dbe2bb5b 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -2470,7 +2470,7 @@ static inline void rtllib_process_probe_response(
}
if (ieee80211_is_beacon(frame_ctl)) {
if (ieee->link_state >= MAC80211_LINKED)
- ieee->link_detect_info.NumRecvBcnInPeriod++;
+ ieee->link_detect_info.num_recv_bcn_in_period++;
}
}
list_for_each_entry(target, &ieee->network_list, list) {
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index a7e7a0b0214fe..ba35714f83af4 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1074,9 +1074,9 @@ static void rtllib_associate_complete_wq(void *data)
ieee->link_detect_info.slot_num = 2 * (1 +
ieee->current_network.beacon_interval /
500);
- if (ieee->link_detect_info.NumRecvBcnInPeriod == 0 ||
+ if (ieee->link_detect_info.num_recv_bcn_in_period == 0 ||
ieee->link_detect_info.NumRecvDataInPeriod == 0) {
- ieee->link_detect_info.NumRecvBcnInPeriod = 1;
+ ieee->link_detect_info.num_recv_bcn_in_period = 1;
ieee->link_detect_info.NumRecvDataInPeriod = 1;
}
psc->lps_idle_count = 0;
@@ -2070,7 +2070,7 @@ int rtllib_softmac_init(struct rtllib_device *ieee)
ieee->link_detect_info.slot_index = 0;
ieee->link_detect_info.slot_num = 2;
- ieee->link_detect_info.NumRecvBcnInPeriod = 0;
+ ieee->link_detect_info.num_recv_bcn_in_period = 0;
ieee->link_detect_info.NumRecvDataInPeriod = 0;
ieee->link_detect_info.num_tx_ok_in_period = 0;
ieee->link_detect_info.num_rx_ok_in_period = 0;
diff --git a/drivers/staging/rtl8192e/rtllib_softmac_wx.c b/drivers/staging/rtl8192e/rtllib_softmac_wx.c
index 2afa701e5445b..4102c2d4f8dd5 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac_wx.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac_wx.c
@@ -347,9 +347,9 @@ void rtllib_wx_sync_scan_wq(void *data)
/* Notify AP that I wake up again */
rtllib_sta_ps_send_null_frame(ieee, 0);
- if (ieee->link_detect_info.NumRecvBcnInPeriod == 0 ||
+ if (ieee->link_detect_info.num_recv_bcn_in_period == 0 ||
ieee->link_detect_info.NumRecvDataInPeriod == 0) {
- ieee->link_detect_info.NumRecvBcnInPeriod = 1;
+ ieee->link_detect_info.num_recv_bcn_in_period = 1;
ieee->link_detect_info.NumRecvDataInPeriod = 1;
}
rtllib_wake_all_queues(ieee);
--
GitLab
From b4a89adc2ff369f825c3427e9bb5c9cac096dc65 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Fri, 26 Jan 2024 14:31:06 -0800
Subject: [PATCH 0506/2686] Staging: rtl8192e: Rename variable bForcedBgMode
Rename variable bForcedBgMode to forced_bg_mode to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Link: https://lore.kernel.org/r/20240126223106.986093-19-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 07a89d1af86d7..348644998744f 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1193,7 +1193,7 @@ struct rtllib_device {
u8 *assocreq_ies, *assocresp_ies;
size_t assocreq_ies_len, assocresp_ies_len;
- bool bForcedBgMode;
+ bool forced_bg_mode;
u8 hwsec_active;
bool is_roaming;
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index ba35714f83af4..2545ac8963c42 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -721,7 +721,7 @@ rtllib_association_req(struct rtllib_network *beacon,
if ((ieee->rtllib_ap_sec_type &&
(ieee->rtllib_ap_sec_type(ieee) & SEC_ALG_TKIP)) ||
- ieee->bForcedBgMode) {
+ ieee->forced_bg_mode) {
ieee->ht_info->enable_ht = 0;
ieee->mode = WIRELESS_MODE_G;
}
--
GitLab
From 0ef4a26928d7d7efd052b044d0583ddbb9eab33f Mon Sep 17 00:00:00 2001
From: Michael Straube <straube.linux@gmail.com>
Date: Thu, 1 Feb 2024 09:18:22 +0100
Subject: [PATCH 0507/2686] staging: rtl8192e: remove braces from single
statement blocks
Remove braces from single statement blocks to clear some checkpatch
warnings.
WARNING: braces {} are not necessary for single statement blocks
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240201081824.6998-2-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 5 ++---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 3 +--
drivers/staging/rtl8192e/rtl819x_HTProc.c | 4 ++--
3 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index 4cd3d7b7c31c7..59110da6c4f36 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -693,11 +693,10 @@ void rtl92e_link_change(struct net_device *dev)
u32 reg;
reg = rtl92e_readl(dev, RCR);
- if (priv->rtllib->link_state == MAC80211_LINKED) {
+ if (priv->rtllib->link_state == MAC80211_LINKED)
priv->receive_config = reg |= RCR_CBSSID;
- } else {
+ else
priv->receive_config = reg &= ~RCR_CBSSID;
- }
rtl92e_writel(dev, RCR, reg);
}
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index bf1c8bd8ecc8d..705b94f0911e4 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -964,9 +964,8 @@ static void _rtl92e_watchdog_wq_cb(void *data)
MAC80211_NOLINK) &&
(ieee->rf_power_state == rf_on) && !ieee->is_set_key &&
(!ieee->proto_stoppping) && !ieee->wx_set_enc) {
- if (ieee->pwr_save_ctrl.ReturnPoint == IPS_CALLBACK_NONE) {
+ if (ieee->pwr_save_ctrl.ReturnPoint == IPS_CALLBACK_NONE)
rtl92e_ips_enter(dev);
- }
}
}
if ((ieee->link_state == MAC80211_LINKED) && (ieee->iw_mode == IW_MODE_INFRA)) {
diff --git a/drivers/staging/rtl8192e/rtl819x_HTProc.c b/drivers/staging/rtl8192e/rtl819x_HTProc.c
index 76f115f56680a..abc21ae49ff72 100644
--- a/drivers/staging/rtl8192e/rtl819x_HTProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_HTProc.c
@@ -480,9 +480,9 @@ void ht_on_assoc_rsp(struct rtllib_device *ieee)
}
ht_info->current_mpdu_density = pPeerHTCap->MPDUDensity;
- if (ht_info->iot_action & HT_IOT_ACT_TX_USE_AMSDU_8K) {
+ if (ht_info->iot_action & HT_IOT_ACT_TX_USE_AMSDU_8K)
ht_info->current_ampdu_enable = false;
- }
+
ht_info->cur_rx_reorder_enable = 1;
if (pPeerHTCap->MCS[0] == 0)
--
GitLab
From 2025908b8e3ab4318295c3dfc4c2781157a266f0 Mon Sep 17 00:00:00 2001
From: Michael Straube <straube.linux@gmail.com>
Date: Thu, 1 Feb 2024 09:18:23 +0100
Subject: [PATCH 0508/2686] staging: rtl8192e: remove return from void function
rtl92e_set_channel
Remove return from the void function rtl92e_set_channel.
Found by checkpatch.
WARNING: void function return statements are not generally useful
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240201081824.6998-3-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c
index e1bd4d67e862b..18b948d4d86d3 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c
@@ -714,7 +714,6 @@ void rtl92e_set_channel(struct net_device *dev, u8 channel)
if (priv->up)
_rtl92e_phy_switch_channel_work_item(dev);
priv->sw_chnl_in_progress = false;
- return;
}
static void _rtl92e_cck_tx_power_track_bw_switch_tssi(struct net_device *dev)
--
GitLab
From 72c068a1c71ffac8d522ad50beda775b45cd5953 Mon Sep 17 00:00:00 2001
From: Michael Straube <straube.linux@gmail.com>
Date: Thu, 1 Feb 2024 09:18:24 +0100
Subject: [PATCH 0509/2686] staging: rtl8192e: initialize variables at
declaration
Initialize two variables at declaration instead of first declare
and then initialize them. This saves a line of code and clears a
checkpatch warning.
WARNING: Missing a blank line after declarations
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240201081824.6998-4-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_rx.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index e6be6dbe2bb5b..29bdaff4cbab9 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -943,10 +943,9 @@ static void rtllib_rx_extract_addr(struct rtllib_device *ieee,
static int rtllib_rx_data_filter(struct rtllib_device *ieee, struct ieee80211_hdr *hdr,
u8 *dst, u8 *src, u8 *bssid, u8 *addr2)
{
- u8 type, stype;
u16 fc = le16_to_cpu(hdr->frame_control);
- type = WLAN_FC_GET_TYPE(fc);
- stype = WLAN_FC_GET_STYPE(fc);
+ u8 type = WLAN_FC_GET_TYPE(fc);
+ u8 stype = WLAN_FC_GET_STYPE(fc);
/* Filter frames from different BSS */
if (ieee80211_has_a4(hdr->frame_control) &&
--
GitLab
From cfd87832dfa1b69069d3e6c598044a5568e1a1ef Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Sun, 11 Feb 2024 13:27:10 +0100
Subject: [PATCH 0510/2686] staging: axis-fifo: Use sysfs_emit()
sysfs_read() is anly called from _show() functions declared by
DEVICE_ATTR_RW().
Using sysfs_emit() is the preferred style and here, it saves a useless
copy and a temporary buffer in the stack.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/588327734f374b5f5cb5c4d5725d884fdc83663e.1707654406.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/axis-fifo/axis-fifo.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/staging/axis-fifo/axis-fifo.c b/drivers/staging/axis-fifo/axis-fifo.c
index 727b956aa2317..c51818c56dd21 100644
--- a/drivers/staging/axis-fifo/axis-fifo.c
+++ b/drivers/staging/axis-fifo/axis-fifo.c
@@ -165,14 +165,9 @@ static ssize_t sysfs_read(struct device *dev, char *buf,
{
struct axis_fifo *fifo = dev_get_drvdata(dev);
unsigned int read_val;
- unsigned int len;
- char tmp[32];
read_val = ioread32(fifo->base_addr + addr_offset);
- len = snprintf(tmp, sizeof(tmp), "0x%x\n", read_val);
- memcpy(buf, tmp, len);
-
- return len;
+ return sysfs_emit(buf, "0x%x\n", read_val);
}
static ssize_t isr_store(struct device *dev, struct device_attribute *attr,
--
GitLab
From e1f97d7ef608962de2206a8899c6f18dc4f36fdc Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sat, 3 Feb 2024 15:11:35 -0300
Subject: [PATCH 0511/2686] staging: fieldbus: make anybus_bus const
Now that the driver core can properly handle constant struct bus_type,
move the anybus_bus variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-staging-v1-1-a13448ddb4c7@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/fieldbus/anybuss/host.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/fieldbus/anybuss/host.c b/drivers/staging/fieldbus/anybuss/host.c
index cd86b9c9e3458..410e6f8073c0b 100644
--- a/drivers/staging/fieldbus/anybuss/host.c
+++ b/drivers/staging/fieldbus/anybuss/host.c
@@ -1195,7 +1195,7 @@ static void anybus_bus_remove(struct device *dev)
adrv->remove(to_anybuss_client(dev));
}
-static struct bus_type anybus_bus = {
+static const struct bus_type anybus_bus = {
.name = "anybuss",
.match = anybus_bus_match,
.probe = anybus_bus_probe,
--
GitLab
From 869eb452aed66ac74c0ee7ecd6f9d545b975c676 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Thu, 8 Feb 2024 16:17:51 -0300
Subject: [PATCH 0512/2686] staging: vc04_services: vchiq_arm: make
vchiq_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the vchiq_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240208-bus_cleanup-staging2-v1-1-cfe906133a2c@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.c | 2 +-
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.c
index 933027e0011ec..68f830d755310 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.c
@@ -37,7 +37,7 @@ static int vchiq_bus_probe(struct device *dev)
return driver->probe(device);
}
-struct bus_type vchiq_bus_type = {
+const struct bus_type vchiq_bus_type = {
.name = "vchiq-bus",
.match = vchiq_bus_type_match,
.uevent = vchiq_bus_uevent,
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.h
index caa6fdf25bb1d..4db86e76edbd4 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.h
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.h
@@ -34,7 +34,7 @@ static inline struct vchiq_driver *to_vchiq_driver(struct device_driver *d)
return container_of(d, struct vchiq_driver, driver);
}
-extern struct bus_type vchiq_bus_type;
+extern const struct bus_type vchiq_bus_type;
struct vchiq_device *
vchiq_device_register(struct device *parent, const char *name);
--
GitLab
From 133951fda02c5440cf7048d9886a226bbc7504a2 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Thu, 8 Feb 2024 16:17:52 -0300
Subject: [PATCH 0513/2686] staging: vme: make vme_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the vme_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240208-bus_cleanup-staging2-v1-2-cfe906133a2c@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/vme_user/vme.c | 2 +-
drivers/staging/vme_user/vme.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/vme_user/vme.c b/drivers/staging/vme_user/vme.c
index e9461a7a7ab8b..0cd370ab10088 100644
--- a/drivers/staging/vme_user/vme.c
+++ b/drivers/staging/vme_user/vme.c
@@ -1970,7 +1970,7 @@ static void vme_bus_remove(struct device *dev)
driver->remove(vdev);
}
-struct bus_type vme_bus_type = {
+const struct bus_type vme_bus_type = {
.name = "vme",
.match = vme_bus_match,
.probe = vme_bus_probe,
diff --git a/drivers/staging/vme_user/vme.h b/drivers/staging/vme_user/vme.h
index 06504dccd5ff0..26aa40f78a74f 100644
--- a/drivers/staging/vme_user/vme.h
+++ b/drivers/staging/vme_user/vme.h
@@ -81,7 +81,7 @@ struct vme_resource {
struct list_head *entry;
};
-extern struct bus_type vme_bus_type;
+extern const struct bus_type vme_bus_type;
/* Number of VME interrupt vectors */
#define VME_NUM_STATUSID 256
--
GitLab
From 455c5e12a3b7d08c2ab47b7dd54944901c69cdcd Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sat, 17 Feb 2024 08:45:56 -0300
Subject: [PATCH 0514/2686] staging: gdm724x: constantify the struct
device_type usage
Since commit aed65af1cc2f ("drivers: make device_type const"), the
driver core can properly handle constant struct device_type. Move the
wwan_type variable to be a constant structure as well, placing it into
read-only memory which can not be modified at runtime.
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240217-device_cleanup-staging-v1-1-286479d9a3f0@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/gdm724x/gdm_lte.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/gdm724x/gdm_lte.c b/drivers/staging/gdm724x/gdm_lte.c
index 5703a9ddb6d0d..eb754b231429b 100644
--- a/drivers/staging/gdm724x/gdm_lte.c
+++ b/drivers/staging/gdm724x/gdm_lte.c
@@ -43,7 +43,7 @@ static struct {
struct sock *sock;
} lte_event;
-static struct device_type wwan_type = {
+static const struct device_type wwan_type = {
.name = "wwan",
};
--
GitLab
From 8524788abf564fb7927873ff3fbc8056c6f02195 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Roman=20=C5=BDilka?= <roman.zilka@gmail.com>
Date: Sun, 11 Feb 2024 16:51:04 +0100
Subject: [PATCH 0515/2686] tty/vt: Corrected doc of vc_sanitize_unicode(),
vc_translate_unicode()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Corrected the doc of vc_sanitize_unicode() and vc_translate_unicode(),
tightly coupled functions which parse UTF-8 byte sequences.
1. Desc. of @rescan corresponded to the meaning of the return value -1.
Corrected + added "Return:" section.
2. Replaced the ambiguous "character" with "code point" or "byte".
Signed-off-by: Roman Žilka <roman.zilka@gmail.com>
Link: https://lore.kernel.org/r/bee9faa8-0ea7-4411-bf77-3cb2e06385c7@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/vt/vt.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 463be4e48dc8f..4342c47285fe8 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2780,7 +2780,7 @@ static inline int vc_translate_ascii(const struct vc_data *vc, int c)
/**
* vc_sanitize_unicode - Replace invalid Unicode code points with ``U+FFFD``
- * @c: the received character, or ``U+FFFD`` for invalid sequences.
+ * @c: the received code point
*/
static inline int vc_sanitize_unicode(const int c)
{
@@ -2793,13 +2793,21 @@ static inline int vc_sanitize_unicode(const int c)
/**
* vc_translate_unicode - Combine UTF-8 into Unicode in &vc_data.vc_utf_char
* @vc: virtual console
- * @c: character to translate
- * @rescan: we return true if we need more (continuation) data
+ * @c: UTF-8 byte to translate
+ * @rescan: set to true iff @c wasn't consumed here and needs to be re-processed
*
- * * &vc_data.vc_utf_char is the being-constructed unicode character.
+ * * &vc_data.vc_utf_char is the being-constructed Unicode code point.
* * &vc_data.vc_utf_count is the number of continuation bytes still expected to
* arrive.
* * &vc_data.vc_npar is the number of continuation bytes arrived so far.
+ *
+ * Return:
+ * * %-1 - Input OK so far, @c consumed, further bytes expected.
+ * * %0xFFFD - Possibility 1: input invalid, @c may have been consumed (see
+ * desc. of @rescan). Possibility 2: input OK, @c consumed,
+ * ``U+FFFD`` is the resulting code point. ``U+FFFD`` is valid,
+ * ``REPLACEMENT CHARACTER``.
+ * * otherwise - Input OK, @c consumed, resulting code point returned.
*/
static int vc_translate_unicode(struct vc_data *vc, int c, bool *rescan)
{
--
GitLab
From 42af6bcbc351d544889fcbcfc9c3d4bd39191b7d Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 13 Feb 2024 11:17:49 +0100
Subject: [PATCH 0516/2686] tty: hvc-iucv: fix function pointer casts
clang warns about explicitly casting between incompatible function
pointers:
drivers/tty/hvc/hvc_iucv.c:1100:23: error: cast from 'void (*)(const void *)' to 'void (*)(struct device *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
1100 | priv->dev->release = (void (*)(struct device *)) kfree;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Add a separate function to handle this correctly.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240213101756.461701-1-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/hvc/hvc_iucv.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/hvc/hvc_iucv.c b/drivers/tty/hvc/hvc_iucv.c
index fdecc0d63731a..b1149bc62ca1f 100644
--- a/drivers/tty/hvc/hvc_iucv.c
+++ b/drivers/tty/hvc/hvc_iucv.c
@@ -1035,6 +1035,10 @@ static const struct attribute_group *hvc_iucv_dev_attr_groups[] = {
NULL,
};
+static void hvc_iucv_free(struct device *data)
+{
+ kfree(data);
+}
/**
* hvc_iucv_alloc() - Allocates a new struct hvc_iucv_private instance
@@ -1097,7 +1101,7 @@ static int __init hvc_iucv_alloc(int id, unsigned int is_console)
priv->dev->bus = &iucv_bus;
priv->dev->parent = iucv_root;
priv->dev->groups = hvc_iucv_dev_attr_groups;
- priv->dev->release = (void (*)(struct device *)) kfree;
+ priv->dev->release = hvc_iucv_free;
rc = device_register(priv->dev);
if (rc) {
put_device(priv->dev);
--
GitLab
From 394e3dbac214e6144a4a0fd27cfd5e5164daea3d Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Tue, 13 Feb 2024 21:38:27 +0200
Subject: [PATCH 0517/2686] serial: 8250_pci1xxxx: Don't use "proxy" headers
Update header inclusions to follow IWYU (Include What You Use)
principle.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20240213193827.3207353-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_pci1xxxx.c | 20 ++++++++++++++------
1 file changed, 14 insertions(+), 6 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_pci1xxxx.c b/drivers/tty/serial/8250/8250_pci1xxxx.c
index 5cf0580f21cd5..2181eda41d9f0 100644
--- a/drivers/tty/serial/8250/8250_pci1xxxx.c
+++ b/drivers/tty/serial/8250/8250_pci1xxxx.c
@@ -7,23 +7,31 @@
* Copyright (C) 2022 Microchip Technology Inc., All Rights Reserved.
*/
+#include <linux/array_size.h>
#include <linux/bitfield.h>
-#include <linux/bitops.h>
-#include <linux/delay.h>
+#include <linux/bits.h>
+#include <linux/circ_buf.h>
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/gfp_types.h>
#include <linux/io.h>
#include <linux/iopoll.h>
-#include <linux/kernel.h>
+#include <linux/minmax.h>
#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/overflow.h>
#include <linux/pci.h>
+#include <linux/pm.h>
#include <linux/serial_core.h>
#include <linux/serial_reg.h>
#include <linux/serial_8250.h>
-#include <linux/slab.h>
+#include <linux/spinlock.h>
#include <linux/string.h>
-#include <linux/units.h>
+#include <linux/time.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
-#include <linux/8250_pci.h>
+#include <linux/types.h>
+#include <linux/units.h>
#include <asm/byteorder.h>
--
GitLab
From b3db266fb031fba88c423d4bb8983a73a3db6527 Mon Sep 17 00:00:00 2001
From: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Date: Fri, 9 Feb 2024 14:37:30 -0800
Subject: [PATCH 0518/2686] usb: typec: ucsi: Limit read size on v1.2
Between UCSI 1.2 and UCSI 2.0, the size of the MESSAGE_IN region was
increased from 16 to 256. In order to avoid overflowing reads for older
systems, add a mechanism to use the read UCSI version to truncate read
sizes on UCSI v1.2.
Tested-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Link: https://lore.kernel.org/r/20240209143723.v5.1.Iacf5570a66b82b73ef03daa6557e2fc0db10266a@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi.c | 26 ++++++++++++++++++++++++--
drivers/usb/typec/ucsi/ucsi.h | 11 +++++++++++
2 files changed, 35 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 14f5a7bfae2e9..7c5cecdd93d66 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -36,6 +36,19 @@
*/
#define UCSI_SWAP_TIMEOUT_MS 5000
+static int ucsi_read_message_in(struct ucsi *ucsi, void *buf,
+ size_t buf_size)
+{
+ /*
+ * Below UCSI 2.0, MESSAGE_IN was limited to 16 bytes. Truncate the
+ * reads here.
+ */
+ if (ucsi->version <= UCSI_VERSION_1_2)
+ buf_size = clamp(buf_size, 0, 16);
+
+ return ucsi->ops->read(ucsi, UCSI_MESSAGE_IN, buf, buf_size);
+}
+
static int ucsi_acknowledge_command(struct ucsi *ucsi)
{
u64 ctrl;
@@ -72,7 +85,7 @@ static int ucsi_read_error(struct ucsi *ucsi)
if (ret < 0)
return ret;
- ret = ucsi->ops->read(ucsi, UCSI_MESSAGE_IN, &error, sizeof(error));
+ ret = ucsi_read_message_in(ucsi, &error, sizeof(error));
if (ret)
return ret;
@@ -170,7 +183,7 @@ int ucsi_send_command(struct ucsi *ucsi, u64 command,
length = ret;
if (data) {
- ret = ucsi->ops->read(ucsi, UCSI_MESSAGE_IN, data, size);
+ ret = ucsi_read_message_in(ucsi, data, size);
if (ret)
goto out;
}
@@ -1558,6 +1571,15 @@ int ucsi_register(struct ucsi *ucsi)
if (!ucsi->version)
return -ENODEV;
+ /*
+ * Version format is JJ.M.N (JJ = Major version, M = Minor version,
+ * N = sub-minor version).
+ */
+ dev_dbg(ucsi->dev, "Registered UCSI interface with version %x.%x.%x",
+ UCSI_BCD_GET_MAJOR(ucsi->version),
+ UCSI_BCD_GET_MINOR(ucsi->version),
+ UCSI_BCD_GET_SUBMINOR(ucsi->version));
+
queue_delayed_work(system_long_wq, &ucsi->work, 0);
ucsi_debugfs_register(ucsi);
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index 6478016d5cb8b..bec920fa6b8ae 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -23,6 +23,17 @@ struct dentry;
#define UCSI_CONTROL 8
#define UCSI_MESSAGE_IN 16
#define UCSI_MESSAGE_OUT 32
+#define UCSIv2_MESSAGE_OUT 272
+
+/* UCSI versions */
+#define UCSI_VERSION_1_2 0x0120
+#define UCSI_VERSION_2_0 0x0200
+#define UCSI_VERSION_2_1 0x0210
+#define UCSI_VERSION_3_0 0x0300
+
+#define UCSI_BCD_GET_MAJOR(_v_) (((_v_) >> 8) & 0xFF)
+#define UCSI_BCD_GET_MINOR(_v_) (((_v_) >> 4) & 0x0F)
+#define UCSI_BCD_GET_SUBMINOR(_v_) ((_v_) & 0x0F)
/* Command Status and Connector Change Indication (CCI) bits */
#define UCSI_CCI_CONNECTOR(_c_) (((_c_) & GENMASK(7, 1)) >> 1)
--
GitLab
From 335e3eff220b4bf4ce4049ba64b392f06bccef77 Mon Sep 17 00:00:00 2001
From: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Date: Fri, 9 Feb 2024 14:37:31 -0800
Subject: [PATCH 0519/2686] usb: typec: ucsi: Update connector cap and status
Update the data structures for ucsi_connector_capability and
ucsi_connector_status to UCSIv3.
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Link: https://lore.kernel.org/r/20240209143723.v5.2.I3d909e3c9a200621e3034686f068a3307945fd87@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi.h | 56 ++++++++++++++++++++++++++++++++---
1 file changed, 52 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index bec920fa6b8ae..7e35ffbe0a6f2 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -10,6 +10,7 @@
#include <linux/usb/typec.h>
#include <linux/usb/pd.h>
#include <linux/usb/role.h>
+#include <asm/unaligned.h>
/* -------------------------------------------------------------------------- */
@@ -35,6 +36,12 @@ struct dentry;
#define UCSI_BCD_GET_MINOR(_v_) (((_v_) >> 4) & 0x0F)
#define UCSI_BCD_GET_SUBMINOR(_v_) ((_v_) & 0x0F)
+/*
+ * Per USB PD 3.2, Section 6.2.1.1.5, the spec revision is represented by 2 bits
+ * 0b00 = 1.0, 0b01 = 2.0, 0b10 = 3.0, 0b11 = Reserved, Shall NOT be used.
+ */
+#define UCSI_SPEC_REVISION_TO_BCD(_v_) (((_v_) + 1) << 8)
+
/* Command Status and Connector Change Indication (CCI) bits */
#define UCSI_CCI_CONNECTOR(_c_) (((_c_) & GENMASK(7, 1)) >> 1)
#define UCSI_CCI_LENGTH(_c_) (((_c_) & GENMASK(15, 8)) >> 8)
@@ -214,9 +221,29 @@ struct ucsi_connector_capability {
#define UCSI_CONCAP_OPMODE_USB2 BIT(5)
#define UCSI_CONCAP_OPMODE_USB3 BIT(6)
#define UCSI_CONCAP_OPMODE_ALT_MODE BIT(7)
- u8 flags;
+ u32 flags;
#define UCSI_CONCAP_FLAG_PROVIDER BIT(0)
#define UCSI_CONCAP_FLAG_CONSUMER BIT(1)
+#define UCSI_CONCAP_FLAG_SWAP_TO_DFP BIT(2)
+#define UCSI_CONCAP_FLAG_SWAP_TO_UFP BIT(3)
+#define UCSI_CONCAP_FLAG_SWAP_TO_SRC BIT(4)
+#define UCSI_CONCAP_FLAG_SWAP_TO_SINK BIT(5)
+#define UCSI_CONCAP_FLAG_EX_OP_MODE(_f_) \
+ (((_f_) & GENMASK(13, 6)) >> 6)
+#define UCSI_CONCAP_EX_OP_MODE_USB4_GEN2 BIT(0)
+#define UCSI_CONCAP_EX_OP_MODE_EPR_SRC BIT(1)
+#define UCSI_CONCAP_EX_OP_MODE_EPR_SINK BIT(2)
+#define UCSI_CONCAP_EX_OP_MODE_USB4_GEN3 BIT(3)
+#define UCSI_CONCAP_EX_OP_MODE_USB4_GEN4 BIT(4)
+#define UCSI_CONCAP_FLAG_MISC_CAPS(_f_) \
+ (((_f_) & GENMASK(17, 14)) >> 14)
+#define UCSI_CONCAP_MISC_CAP_FW_UPDATE BIT(0)
+#define UCSI_CONCAP_MISC_CAP_SECURITY BIT(1)
+#define UCSI_CONCAP_FLAG_REV_CURR_PROT_SUPPORT BIT(18)
+#define UCSI_CONCAP_FLAG_PARTNER_PD_MAJOR_REV(_f_) \
+ (((_f_) & GENMASK(20, 19)) >> 19)
+#define UCSI_CONCAP_FLAG_PARTNER_PD_MAJOR_REV_AS_BCD(_f_) \
+ UCSI_SPEC_REVISION_TO_BCD(UCSI_CONCAP_FLAG_PARTNER_PD_MAJOR_REV(_f_))
} __packed;
struct ucsi_altmode {
@@ -276,15 +303,36 @@ struct ucsi_connector_status {
#define UCSI_CONSTAT_PARTNER_TYPE_DEBUG 5
#define UCSI_CONSTAT_PARTNER_TYPE_AUDIO 6
u32 request_data_obj;
- u8 pwr_status;
-#define UCSI_CONSTAT_BC_STATUS(_p_) ((_p_) & GENMASK(2, 0))
+
+ u8 pwr_status[3];
+#define UCSI_CONSTAT_BC_STATUS(_p_) ((_p_[0]) & GENMASK(1, 0))
#define UCSI_CONSTAT_BC_NOT_CHARGING 0
#define UCSI_CONSTAT_BC_NOMINAL_CHARGING 1
#define UCSI_CONSTAT_BC_SLOW_CHARGING 2
#define UCSI_CONSTAT_BC_TRICKLE_CHARGING 3
-#define UCSI_CONSTAT_PROVIDER_CAP_LIMIT(_p_) (((_p_) & GENMASK(6, 3)) >> 3)
+#define UCSI_CONSTAT_PROVIDER_CAP_LIMIT(_p_) (((_p_[0]) & GENMASK(5, 2)) >> 2)
#define UCSI_CONSTAT_CAP_PWR_LOWERED 0
#define UCSI_CONSTAT_CAP_PWR_BUDGET_LIMIT 1
+#define UCSI_CONSTAT_PROVIDER_PD_VERSION_OPER_MODE(_p_) \
+ ((get_unaligned_le32(_p_) & GENMASK(21, 6)) >> 6)
+#define UCSI_CONSTAT_ORIENTATION(_p_) (((_p_[2]) & GENMASK(6, 6)) >> 6)
+#define UCSI_CONSTAT_ORIENTATION_DIRECT 0
+#define UCSI_CONSTAT_ORIENTATION_FLIPPED 1
+#define UCSI_CONSTAT_SINK_PATH_STATUS(_p_) (((_p_[2]) & GENMASK(7, 7)) >> 7)
+#define UCSI_CONSTAT_SINK_PATH_DISABLED 0
+#define UCSI_CONSTAT_SINK_PATH_ENABLED 1
+ u8 pwr_readings[9];
+#define UCSI_CONSTAT_REV_CURR_PROT_STATUS(_p_) ((_p_[0]) & 0x1)
+#define UCSI_CONSTAT_PWR_READING_VALID(_p_) (((_p_[0]) & GENMASK(1, 1)) >> 1)
+#define UCSI_CONSTAT_CURRENT_SCALE(_p_) (((_p_[0]) & GENMASK(4, 2)) >> 2)
+#define UCSI_CONSTAT_PEAK_CURRENT(_p_) \
+ ((get_unaligned_le32(_p_) & GENMASK(20, 5)) >> 5)
+#define UCSI_CONSTAT_AVG_CURRENT(_p_) \
+ ((get_unaligned_le32(&(_p_)[2]) & GENMASK(20, 5)) >> 5)
+#define UCSI_CONSTAT_VOLTAGE_SCALE(_p_) \
+ ((get_unaligned_le16(&(_p_)[4]) & GENMASK(8, 5)) >> 5)
+#define UCSI_CONSTAT_VOLTAGE_READING(_p_) \
+ ((get_unaligned_le32(&(_p_)[5]) & GENMASK(16, 1)) >> 1)
} __packed;
/* -------------------------------------------------------------------------- */
--
GitLab
From b9fccfdb4ebb1e172aa7e6fd4b02d01c818e4794 Mon Sep 17 00:00:00 2001
From: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Date: Fri, 9 Feb 2024 14:37:32 -0800
Subject: [PATCH 0520/2686] usb: typec: ucsi: Get PD revision for partner
PD major revision for the port partner is described in
GET_CONNECTOR_CAPABILITY and is only valid on UCSI 2.0 and newer. Update
the pd_revision on the partner if the UCSI version is 2.0 or newer.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Link: https://lore.kernel.org/r/20240209143723.v5.3.Idf7d373c3cbb54058403cb951d644f1f09973d15@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 7c5cecdd93d66..ae105383e69e7 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -782,6 +782,7 @@ static int ucsi_register_partner(struct ucsi_connector *con)
}
desc.usb_pd = pwr_opmode == UCSI_CONSTAT_PWR_OPMODE_PD;
+ desc.pd_revision = UCSI_CONCAP_FLAG_PARTNER_PD_MAJOR_REV_AS_BCD(con->cap.flags);
partner = typec_register_partner(con->port, &desc);
if (IS_ERR(partner)) {
@@ -856,6 +857,27 @@ static void ucsi_partner_change(struct ucsi_connector *con)
con->num, u_role);
}
+static int ucsi_check_connector_capability(struct ucsi_connector *con)
+{
+ u64 command;
+ int ret;
+
+ if (!con->partner || con->ucsi->version < UCSI_VERSION_2_0)
+ return 0;
+
+ command = UCSI_GET_CONNECTOR_CAPABILITY | UCSI_CONNECTOR_NUMBER(con->num);
+ ret = ucsi_send_command(con->ucsi, command, &con->cap, sizeof(con->cap));
+ if (ret < 0) {
+ dev_err(con->ucsi->dev, "GET_CONNECTOR_CAPABILITY failed (%d)\n", ret);
+ return ret;
+ }
+
+ typec_partner_set_pd_revision(con->partner,
+ UCSI_CONCAP_FLAG_PARTNER_PD_MAJOR_REV_AS_BCD(con->cap.flags));
+
+ return ret;
+}
+
static int ucsi_check_connection(struct ucsi_connector *con)
{
u8 prev_flags = con->status.flags;
@@ -925,6 +947,7 @@ static void ucsi_handle_connector_change(struct work_struct *work)
if (con->status.flags & UCSI_CONSTAT_CONNECTED) {
ucsi_register_partner(con);
ucsi_partner_task(con, ucsi_check_connection, 1, HZ);
+ ucsi_partner_task(con, ucsi_check_connector_capability, 1, HZ);
if (UCSI_CONSTAT_PWR_OPMODE(con->status.flags) ==
UCSI_CONSTAT_PWR_OPMODE_PD)
--
GitLab
From ef6035d2f1f4f31453c76763c2cc50e9526bbffa Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Tue, 30 Jan 2024 21:32:54 +0200
Subject: [PATCH 0521/2686] dt-bindings: regulator: qcom,usb-vbus-regulator:
add support for PMI632
The VBUS register block on the PMI632 PMIC shares the design with the
PM8150B one. Define corresponding compatible string, having the
qcom,pm8150b-vbus-reg as a fallback.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: Luca Weiss <luca.weiss@fairphone.com> # sdm632-fairphone-fp3
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240130-pmi632-typec-v3-1-b05fe44f0a51@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../bindings/regulator/qcom,usb-vbus-regulator.yaml | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml b/Documentation/devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml
index 534f87e987163..66dcd5ce03e6c 100644
--- a/Documentation/devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml
@@ -19,8 +19,13 @@ allOf:
properties:
compatible:
- enum:
- - qcom,pm8150b-vbus-reg
+ oneOf:
+ - enum:
+ - qcom,pm8150b-vbus-reg
+ - items:
+ - enum:
+ - qcom,pmi632-vbus-reg
+ - const: qcom,pm8150b-vbus-reg
reg:
maxItems: 1
--
GitLab
From f637c0c6dd811d2e28320a6ced4363186f8a89c6 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Tue, 30 Jan 2024 21:32:55 +0200
Subject: [PATCH 0522/2686] dt-bindings: usb: qcom,pmic-typec: add support for
the PMI632 block
The PMI632 PMIC has the same Type-C register block as the PM8150B.
However this PMIC doesn't support USB Power Delivery. As such it doesn't
have the second region used by the existing pm8150b bindings. Add if
clauses to handle the PMI632 usecase.
Tested-by: Luca Weiss <luca.weiss@fairphone.com> # sdm632-fairphone-fp3
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240130-pmi632-typec-v3-2-b05fe44f0a51@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../bindings/usb/qcom,pmic-typec.yaml | 32 ++++++++++++++++++-
1 file changed, 31 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml b/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml
index 55df3129a0bc7..6c0c6b3376930 100644
--- a/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml
+++ b/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml
@@ -15,6 +15,7 @@ description:
properties:
compatible:
enum:
+ - qcom,pmi632-typec
- qcom,pm8150b-typec
connector:
@@ -24,9 +25,11 @@ properties:
reg:
description: Type-C port and pdphy SPMI register base offsets
+ minItems: 1
maxItems: 2
interrupts:
+ minItems: 8
items:
- description: Type-C CC attach notification, VBUS error, tCCDebounce done
- description: Type-C VCONN powered
@@ -46,6 +49,7 @@ properties:
- description: Power Domain Fast Role Swap event
interrupt-names:
+ minItems: 8
items:
- const: or-rid-detect-change
- const: vpd-detect
@@ -81,7 +85,33 @@ required:
- interrupts
- interrupt-names
- vdd-vbus-supply
- - vdd-pdphy-supply
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,pmi632-typec
+ then:
+ properties:
+ reg:
+ maxItems: 1
+ interrupts:
+ maxItems: 8
+ interrupt-names:
+ maxItems: 8
+ vdd-pdphy-supply: false
+ else:
+ properties:
+ reg:
+ maxItems: 2
+ interrupts:
+ minItems: 16
+ interrupt-names:
+ maxItems: 16
+ required:
+ - vdd-pdphy-supply
additionalProperties: false
--
GitLab
From cf92b9df3dcf45eab0fe3fcf9e97ce55c31c48c0 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Tue, 30 Jan 2024 21:32:56 +0200
Subject: [PATCH 0523/2686] usb: typec: qcom-pmic-typec: add support for PMI632
PMIC
The PMI632 PMIC support Type-C port handling, but lacks USB
PowerDelivery support. The TCPM requires all callbacks to be provided
by the implementation. Implement a special, 'stub' Qcom PD PHY
implementation to enable the PMI632 support.
Acked-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Luca Weiss <luca.weiss@fairphone.com> # sdm632-fairphone-fp3
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240130-pmi632-typec-v3-3-b05fe44f0a51@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/qcom/Makefile | 3 +-
drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c | 30 +++++--
.../typec/tcpm/qcom/qcom_pmic_typec_pdphy.h | 2 +
.../tcpm/qcom/qcom_pmic_typec_pdphy_stub.c | 80 +++++++++++++++++++
4 files changed, 107 insertions(+), 8 deletions(-)
create mode 100644 drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy_stub.c
diff --git a/drivers/usb/typec/tcpm/qcom/Makefile b/drivers/usb/typec/tcpm/qcom/Makefile
index dc1e8832e197a..cc23042b94878 100644
--- a/drivers/usb/typec/tcpm/qcom/Makefile
+++ b/drivers/usb/typec/tcpm/qcom/Makefile
@@ -3,4 +3,5 @@
obj-$(CONFIG_TYPEC_QCOM_PMIC) += qcom_pmic_tcpm.o
qcom_pmic_tcpm-y += qcom_pmic_typec.o \
qcom_pmic_typec_port.o \
- qcom_pmic_typec_pdphy.o
+ qcom_pmic_typec_pdphy.o \
+ qcom_pmic_typec_pdphy_stub.o \
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
index 82e3f59ea471b..e48412cdcb0fb 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
@@ -42,7 +42,7 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
const struct pmic_typec_resources *res;
struct regmap *regmap;
struct device *bridge_dev;
- u32 base[2];
+ u32 base;
int ret;
res = of_device_get_match_data(dev);
@@ -62,19 +62,29 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
return -ENODEV;
}
- ret = of_property_read_u32_array(np, "reg", base, 2);
+ ret = of_property_read_u32_index(np, "reg", 0, &base);
if (ret)
return ret;
ret = qcom_pmic_typec_port_probe(pdev, tcpm,
- res->port_res, regmap, base[0]);
+ res->port_res, regmap, base);
if (ret)
return ret;
- ret = qcom_pmic_typec_pdphy_probe(pdev, tcpm,
- res->pdphy_res, regmap, base[1]);
- if (ret)
- return ret;
+ if (res->pdphy_res) {
+ ret = of_property_read_u32_index(np, "reg", 1, &base);
+ if (ret)
+ return ret;
+
+ ret = qcom_pmic_typec_pdphy_probe(pdev, tcpm,
+ res->pdphy_res, regmap, base);
+ if (ret)
+ return ret;
+ } else {
+ ret = qcom_pmic_typec_pdphy_stub_probe(pdev, tcpm);
+ if (ret)
+ return ret;
+ }
platform_set_drvdata(pdev, tcpm);
@@ -123,8 +133,14 @@ static const struct pmic_typec_resources pm8150b_typec_res = {
.port_res = &pm8150b_port_res,
};
+static const struct pmic_typec_resources pmi632_typec_res = {
+ /* PD PHY not present */
+ .port_res = &pm8150b_port_res,
+};
+
static const struct of_device_id qcom_pmic_typec_table[] = {
{ .compatible = "qcom,pm8150b-typec", .data = &pm8150b_typec_res },
+ { .compatible = "qcom,pmi632-typec", .data = &pmi632_typec_res },
{ }
};
MODULE_DEVICE_TABLE(of, qcom_pmic_typec_table);
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h
index 5f428e67ccfe2..04dee20293cfa 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.h
@@ -31,5 +31,7 @@ int qcom_pmic_typec_pdphy_probe(struct platform_device *pdev,
const struct pmic_typec_pdphy_resources *res,
struct regmap *regmap,
u32 base);
+int qcom_pmic_typec_pdphy_stub_probe(struct platform_device *pdev,
+ struct pmic_typec *tcpm);
#endif /* __QCOM_PMIC_TYPEC_PDPHY_H__ */
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy_stub.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy_stub.c
new file mode 100644
index 0000000000000..df79059cda675
--- /dev/null
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy_stub.c
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2024, Linaro Ltd. All rights reserved.
+ */
+
+#include <linux/err.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/slab.h>
+#include <linux/usb/pd.h>
+#include <linux/usb/tcpm.h>
+#include "qcom_pmic_typec.h"
+#include "qcom_pmic_typec_pdphy.h"
+
+static int qcom_pmic_typec_pdphy_stub_pd_transmit(struct tcpc_dev *tcpc,
+ enum tcpm_transmit_type type,
+ const struct pd_message *msg,
+ unsigned int negotiated_rev)
+{
+ struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
+ struct device *dev = tcpm->dev;
+
+ dev_dbg(dev, "pdphy_transmit: type=%d\n", type);
+
+ tcpm_pd_transmit_complete(tcpm->tcpm_port,
+ TCPC_TX_SUCCESS);
+
+ return 0;
+}
+
+static int qcom_pmic_typec_pdphy_stub_set_pd_rx(struct tcpc_dev *tcpc, bool on)
+{
+ struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
+ struct device *dev = tcpm->dev;
+
+ dev_dbg(dev, "set_pd_rx: %s\n", on ? "on" : "off");
+
+ return 0;
+}
+
+static int qcom_pmic_typec_pdphy_stub_set_roles(struct tcpc_dev *tcpc, bool attached,
+ enum typec_role power_role,
+ enum typec_data_role data_role)
+{
+ struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc);
+ struct device *dev = tcpm->dev;
+
+ dev_dbg(dev, "pdphy_set_roles: data_role_host=%d power_role_src=%d\n",
+ data_role, power_role);
+
+ return 0;
+}
+
+static int qcom_pmic_typec_pdphy_stub_start(struct pmic_typec *tcpm,
+ struct tcpm_port *tcpm_port)
+{
+ return 0;
+}
+
+static void qcom_pmic_typec_pdphy_stub_stop(struct pmic_typec *tcpm)
+{
+}
+
+int qcom_pmic_typec_pdphy_stub_probe(struct platform_device *pdev,
+ struct pmic_typec *tcpm)
+{
+ tcpm->tcpc.set_pd_rx = qcom_pmic_typec_pdphy_stub_set_pd_rx;
+ tcpm->tcpc.set_roles = qcom_pmic_typec_pdphy_stub_set_roles;
+ tcpm->tcpc.pd_transmit = qcom_pmic_typec_pdphy_stub_pd_transmit;
+
+ tcpm->pdphy_start = qcom_pmic_typec_pdphy_stub_start;
+ tcpm->pdphy_stop = qcom_pmic_typec_pdphy_stub_stop;
+
+ return 0;
+}
--
GitLab
From 173f6cd384ae27bb57af8cc5201b4f4a137d6e55 Mon Sep 17 00:00:00 2001
From: Li Zhijian <lizhijian@fujitsu.com>
Date: Sun, 18 Feb 2024 16:00:54 +0800
Subject: [PATCH 0524/2686] coccinelle: device_attr_show: Remove useless
expression STR
Commit ff82e84e80fc ("coccinelle: device_attr_show: simplify patch case")
simplifies the patch case, as a result, STR is no longer needed.
This also helps to fix below coccicheck warning:
> warning: rp: metavariable STR not used in the - or context code
CC: Julia Lawall <Julia.Lawall@inria.fr>
CC: Nicolas Palix <nicolas.palix@imag.fr>
CC: cocci@inria.fr
Fixes: ff82e84e80fc ("coccinelle: device_attr_show: simplify patch case")
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
---
scripts/coccinelle/api/device_attr_show.cocci | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/coccinelle/api/device_attr_show.cocci b/scripts/coccinelle/api/device_attr_show.cocci
index 550d1d2fc02a9..dfcf9304195f3 100644
--- a/scripts/coccinelle/api/device_attr_show.cocci
+++ b/scripts/coccinelle/api/device_attr_show.cocci
@@ -28,7 +28,7 @@ ssize_t show(struct device *dev, struct device_attribute *attr, char *buf)
@rp depends on patch@
identifier show, dev, attr, buf;
-expression BUF, SZ, FORMAT, STR;
+expression BUF, SZ, FORMAT;
@@
ssize_t show(struct device *dev, struct device_attribute *attr, char *buf)
--
GitLab
From 8ec11bd89e15f7858359f2c4c9eed1d7de739c3c Mon Sep 17 00:00:00 2001
From: Peng Fan <peng.fan@nxp.com>
Date: Mon, 5 Feb 2024 11:17:57 +0800
Subject: [PATCH 0525/2686] dt-bindings: timer: nxp,sysctr-timer: support
i.MX95
Add i.MX95 System counter module compatible string, the SCMI
firmware blocks access to control register, so should not
add "nxp,sysctr-timer" as fallback.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240205-imx-sysctr-v4-1-ca5a6e1552e7@nxp.com
---
Documentation/devicetree/bindings/timer/nxp,sysctr-timer.yaml | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.yaml b/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.yaml
index 2b9653dafab8f..891cca0095281 100644
--- a/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.yaml
+++ b/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.yaml
@@ -18,7 +18,9 @@ description: |
properties:
compatible:
- const: nxp,sysctr-timer
+ enum:
+ - nxp,imx95-sysctr-timer
+ - nxp,sysctr-timer
reg:
maxItems: 1
--
GitLab
From 418062b548b138a1e6a9fde3a8ddf7fa77c44c9e Mon Sep 17 00:00:00 2001
From: Peng Fan <peng.fan@nxp.com>
Date: Mon, 5 Feb 2024 11:17:58 +0800
Subject: [PATCH 0526/2686] clocksource/drivers/imx-sysctr: Drop use global
variables
Clean up code to not use global variables and introduce sysctr_private
structure to prepare the support for i.MX95.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240205-imx-sysctr-v4-2-ca5a6e1552e7@nxp.com
---
drivers/clocksource/timer-imx-sysctr.c | 76 +++++++++++++++-----------
1 file changed, 44 insertions(+), 32 deletions(-)
diff --git a/drivers/clocksource/timer-imx-sysctr.c b/drivers/clocksource/timer-imx-sysctr.c
index 5a7a951c4efcd..c075ea89a214f 100644
--- a/drivers/clocksource/timer-imx-sysctr.c
+++ b/drivers/clocksource/timer-imx-sysctr.c
@@ -4,6 +4,7 @@
#include <linux/interrupt.h>
#include <linux/clockchips.h>
+#include <linux/slab.h>
#include "timer-of.h"
@@ -20,32 +21,39 @@
#define SYS_CTR_CLK_DIV 0x3
-static void __iomem *sys_ctr_base __ro_after_init;
-static u32 cmpcr __ro_after_init;
+struct sysctr_private {
+ u32 cmpcr;
+};
-static void sysctr_timer_enable(bool enable)
+static void sysctr_timer_enable(struct clock_event_device *evt, bool enable)
{
- writel(enable ? cmpcr | SYS_CTR_EN : cmpcr, sys_ctr_base + CMPCR);
+ struct timer_of *to = to_timer_of(evt);
+ struct sysctr_private *priv = to->private_data;
+ void __iomem *base = timer_of_base(to);
+
+ writel(enable ? priv->cmpcr | SYS_CTR_EN : priv->cmpcr, base + CMPCR);
}
-static void sysctr_irq_acknowledge(void)
+static void sysctr_irq_acknowledge(struct clock_event_device *evt)
{
/*
* clear the enable bit(EN =0) will clear
* the status bit(ISTAT = 0), then the interrupt
* signal will be negated(acknowledged).
*/
- sysctr_timer_enable(false);
+ sysctr_timer_enable(evt, false);
}
-static inline u64 sysctr_read_counter(void)
+static inline u64 sysctr_read_counter(struct clock_event_device *evt)
{
+ struct timer_of *to = to_timer_of(evt);
+ void __iomem *base = timer_of_base(to);
u32 cnt_hi, tmp_hi, cnt_lo;
do {
- cnt_hi = readl_relaxed(sys_ctr_base + CNTCV_HI);
- cnt_lo = readl_relaxed(sys_ctr_base + CNTCV_LO);
- tmp_hi = readl_relaxed(sys_ctr_base + CNTCV_HI);
+ cnt_hi = readl_relaxed(base + CNTCV_HI);
+ cnt_lo = readl_relaxed(base + CNTCV_LO);
+ tmp_hi = readl_relaxed(base + CNTCV_HI);
} while (tmp_hi != cnt_hi);
return ((u64) cnt_hi << 32) | cnt_lo;
@@ -54,22 +62,24 @@ static inline u64 sysctr_read_counter(void)
static int sysctr_set_next_event(unsigned long delta,
struct clock_event_device *evt)
{
+ struct timer_of *to = to_timer_of(evt);
+ void __iomem *base = timer_of_base(to);
u32 cmp_hi, cmp_lo;
u64 next;
- sysctr_timer_enable(false);
+ sysctr_timer_enable(evt, false);
- next = sysctr_read_counter();
+ next = sysctr_read_counter(evt);
next += delta;
cmp_hi = (next >> 32) & 0x00fffff;
cmp_lo = next & 0xffffffff;
- writel_relaxed(cmp_hi, sys_ctr_base + CMPCV_HI);
- writel_relaxed(cmp_lo, sys_ctr_base + CMPCV_LO);
+ writel_relaxed(cmp_hi, base + CMPCV_HI);
+ writel_relaxed(cmp_lo, base + CMPCV_LO);
- sysctr_timer_enable(true);
+ sysctr_timer_enable(evt, true);
return 0;
}
@@ -81,7 +91,7 @@ static int sysctr_set_state_oneshot(struct clock_event_device *evt)
static int sysctr_set_state_shutdown(struct clock_event_device *evt)
{
- sysctr_timer_enable(false);
+ sysctr_timer_enable(evt, false);
return 0;
}
@@ -90,7 +100,7 @@ static irqreturn_t sysctr_timer_interrupt(int irq, void *dev_id)
{
struct clock_event_device *evt = dev_id;
- sysctr_irq_acknowledge();
+ sysctr_irq_acknowledge(evt);
evt->event_handler(evt);
@@ -117,34 +127,36 @@ static struct timer_of to_sysctr = {
},
};
-static void __init sysctr_clockevent_init(void)
-{
- to_sysctr.clkevt.cpumask = cpu_possible_mask;
-
- clockevents_config_and_register(&to_sysctr.clkevt,
- timer_of_rate(&to_sysctr),
- 0xff, 0x7fffffff);
-}
-
static int __init sysctr_timer_init(struct device_node *np)
{
- int ret = 0;
+ struct sysctr_private *priv;
+ void __iomem *base;
+ int ret;
+
+ priv = kzalloc(sizeof(struct sysctr_private), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
ret = timer_of_init(np, &to_sysctr);
- if (ret)
+ if (ret) {
+ kfree(priv);
return ret;
+ }
if (!of_property_read_bool(np, "nxp,no-divider")) {
/* system counter clock is divided by 3 internally */
to_sysctr.of_clk.rate /= SYS_CTR_CLK_DIV;
}
- sys_ctr_base = timer_of_base(&to_sysctr);
- cmpcr = readl(sys_ctr_base + CMPCR);
- cmpcr &= ~SYS_CTR_EN;
+ to_sysctr.clkevt.cpumask = cpu_possible_mask;
+ to_sysctr.private_data = priv;
- sysctr_clockevent_init();
+ base = timer_of_base(&to_sysctr);
+ priv->cmpcr = readl(base + CMPCR) & ~SYS_CTR_EN;
+ clockevents_config_and_register(&to_sysctr.clkevt,
+ timer_of_rate(&to_sysctr),
+ 0xff, 0x7fffffff);
return 0;
}
TIMER_OF_DECLARE(sysctr_timer, "nxp,sysctr-timer", sysctr_timer_init);
--
GitLab
From b67686e971b06eee1be363b89863bd1217f65190 Mon Sep 17 00:00:00 2001
From: Peng Fan <peng.fan@nxp.com>
Date: Mon, 5 Feb 2024 11:17:59 +0800
Subject: [PATCH 0527/2686] clocksource/drivers/imx-sysctr: Add i.MX95 support
To i.MX95 System counter module, we use Read register space to get
the counter, not the Control register space to get the counter, because
System Manager firmware not allow Linux to read Control register space,
so add a new TIMER_OF_DECLARE entry for i.MX95.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240205-imx-sysctr-v4-3-ca5a6e1552e7@nxp.com
---
drivers/clocksource/timer-imx-sysctr.c | 53 ++++++++++++++++++++++++--
1 file changed, 49 insertions(+), 4 deletions(-)
diff --git a/drivers/clocksource/timer-imx-sysctr.c b/drivers/clocksource/timer-imx-sysctr.c
index c075ea89a214f..44525813be1e2 100644
--- a/drivers/clocksource/timer-imx-sysctr.c
+++ b/drivers/clocksource/timer-imx-sysctr.c
@@ -9,12 +9,15 @@
#include "timer-of.h"
#define CMP_OFFSET 0x10000
+#define RD_OFFSET 0x20000
#define CNTCV_LO 0x8
#define CNTCV_HI 0xc
#define CMPCV_LO (CMP_OFFSET + 0x20)
#define CMPCV_HI (CMP_OFFSET + 0x24)
#define CMPCR (CMP_OFFSET + 0x2c)
+#define CNTCV_LO_IMX95 (RD_OFFSET + 0x8)
+#define CNTCV_HI_IMX95 (RD_OFFSET + 0xc)
#define SYS_CTR_EN 0x1
#define SYS_CTR_IRQ_MASK 0x2
@@ -23,6 +26,8 @@
struct sysctr_private {
u32 cmpcr;
+ u32 lo_off;
+ u32 hi_off;
};
static void sysctr_timer_enable(struct clock_event_device *evt, bool enable)
@@ -47,13 +52,14 @@ static void sysctr_irq_acknowledge(struct clock_event_device *evt)
static inline u64 sysctr_read_counter(struct clock_event_device *evt)
{
struct timer_of *to = to_timer_of(evt);
+ struct sysctr_private *priv = to->private_data;
void __iomem *base = timer_of_base(to);
u32 cnt_hi, tmp_hi, cnt_lo;
do {
- cnt_hi = readl_relaxed(base + CNTCV_HI);
- cnt_lo = readl_relaxed(base + CNTCV_LO);
- tmp_hi = readl_relaxed(base + CNTCV_HI);
+ cnt_hi = readl_relaxed(base + priv->hi_off);
+ cnt_lo = readl_relaxed(base + priv->lo_off);
+ tmp_hi = readl_relaxed(base + priv->hi_off);
} while (tmp_hi != cnt_hi);
return ((u64) cnt_hi << 32) | cnt_lo;
@@ -127,7 +133,7 @@ static struct timer_of to_sysctr = {
},
};
-static int __init sysctr_timer_init(struct device_node *np)
+static int __init __sysctr_timer_init(struct device_node *np)
{
struct sysctr_private *priv;
void __iomem *base;
@@ -154,9 +160,48 @@ static int __init sysctr_timer_init(struct device_node *np)
base = timer_of_base(&to_sysctr);
priv->cmpcr = readl(base + CMPCR) & ~SYS_CTR_EN;
+ return 0;
+}
+
+static int __init sysctr_timer_init(struct device_node *np)
+{
+ struct sysctr_private *priv;
+ int ret;
+
+ ret = __sysctr_timer_init(np);
+ if (ret)
+ return ret;
+
+ priv = to_sysctr.private_data;
+ priv->lo_off = CNTCV_LO;
+ priv->hi_off = CNTCV_HI;
+
clockevents_config_and_register(&to_sysctr.clkevt,
timer_of_rate(&to_sysctr),
0xff, 0x7fffffff);
+
return 0;
}
+
+static int __init sysctr_timer_imx95_init(struct device_node *np)
+{
+ struct sysctr_private *priv;
+ int ret;
+
+ ret = __sysctr_timer_init(np);
+ if (ret)
+ return ret;
+
+ priv = to_sysctr.private_data;
+ priv->lo_off = CNTCV_LO_IMX95;
+ priv->hi_off = CNTCV_HI_IMX95;
+
+ clockevents_config_and_register(&to_sysctr.clkevt,
+ timer_of_rate(&to_sysctr),
+ 0xff, 0x7fffffff);
+
+ return 0;
+}
+
TIMER_OF_DECLARE(sysctr_timer, "nxp,sysctr-timer", sysctr_timer_init);
+TIMER_OF_DECLARE(sysctr_timer_imx95, "nxp,imx95-sysctr-timer", sysctr_timer_imx95_init);
--
GitLab
From c20445be92f79bf1abd2a8c31d566697de9e68b0 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sun, 4 Feb 2024 13:14:05 -0300
Subject: [PATCH 0528/2686] fpga: dfl: make dfl_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the dfl_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-fpga-v1-1-dae8b5bf7220@marliere.net
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
---
drivers/fpga/dfl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
index e6d12fbab653f..094ee97ea26cb 100644
--- a/drivers/fpga/dfl.c
+++ b/drivers/fpga/dfl.c
@@ -327,7 +327,7 @@ static struct attribute *dfl_dev_attrs[] = {
};
ATTRIBUTE_GROUPS(dfl_dev);
-static struct bus_type dfl_bus_type = {
+static const struct bus_type dfl_bus_type = {
.name = "dfl",
.match = dfl_bus_match,
.probe = dfl_bus_probe,
--
GitLab
From b1a91ca25f15b6d7b311de4465854a5981dee3d3 Mon Sep 17 00:00:00 2001
From: Marco Pagani <marpagan@redhat.com>
Date: Thu, 1 Feb 2024 16:57:12 +0100
Subject: [PATCH 0529/2686] fpga: remove redundant checks for bridge ops
Commit 0d70af3c2530 ("fpga: bridge: Use standard dev_release for class
driver") introduced a check in fpga_bridge_register() that prevents
registering a bridge without ops, making checking on every call
redundant.
Signed-off-by: Marco Pagani <marpagan@redhat.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20240201155713.82898-1-marpagan@redhat.com
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
---
drivers/fpga/fpga-bridge.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/fpga/fpga-bridge.c b/drivers/fpga/fpga-bridge.c
index a024be2b84e29..79c473b3c7c3d 100644
--- a/drivers/fpga/fpga-bridge.c
+++ b/drivers/fpga/fpga-bridge.c
@@ -30,7 +30,7 @@ int fpga_bridge_enable(struct fpga_bridge *bridge)
{
dev_dbg(&bridge->dev, "enable\n");
- if (bridge->br_ops && bridge->br_ops->enable_set)
+ if (bridge->br_ops->enable_set)
return bridge->br_ops->enable_set(bridge, 1);
return 0;
@@ -48,7 +48,7 @@ int fpga_bridge_disable(struct fpga_bridge *bridge)
{
dev_dbg(&bridge->dev, "disable\n");
- if (bridge->br_ops && bridge->br_ops->enable_set)
+ if (bridge->br_ops->enable_set)
return bridge->br_ops->enable_set(bridge, 0);
return 0;
@@ -296,7 +296,7 @@ static ssize_t state_show(struct device *dev,
struct fpga_bridge *bridge = to_fpga_bridge(dev);
int state = 1;
- if (bridge->br_ops && bridge->br_ops->enable_show) {
+ if (bridge->br_ops->enable_show) {
state = bridge->br_ops->enable_show(bridge);
if (state < 0)
return state;
@@ -401,7 +401,7 @@ void fpga_bridge_unregister(struct fpga_bridge *bridge)
* If the low level driver provides a method for putting bridge into
* a desired state upon unregister, do it.
*/
- if (bridge->br_ops && bridge->br_ops->fpga_bridge_remove)
+ if (bridge->br_ops->fpga_bridge_remove)
bridge->br_ops->fpga_bridge_remove(bridge);
device_unregister(&bridge->dev);
--
GitLab
From 0b38539633dbe1c9b88741c9b96a92135c42a369 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu, 15 Feb 2024 18:02:34 +0200
Subject: [PATCH 0530/2686] serial: 8250_bcm7271: Replace custom unit
definitions
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Replace custom unit definitions that are available via units.h.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240215160234.653305-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_bcm7271.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_bcm7271.c b/drivers/tty/serial/8250/8250_bcm7271.c
index 504c4c0208577..1532fa2e8ec4f 100644
--- a/drivers/tty/serial/8250/8250_bcm7271.c
+++ b/drivers/tty/serial/8250/8250_bcm7271.c
@@ -22,6 +22,7 @@
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/debugfs.h>
+#include <linux/units.h>
#include "8250.h"
@@ -187,21 +188,19 @@
#define TX_BUF_SIZE 4096
#define RX_BUF_SIZE 4096
#define RX_BUFS_COUNT 2
-#define KHZ 1000
-#define MHZ(x) ((x) * KHZ * KHZ)
static const u32 brcmstb_rate_table[] = {
- MHZ(81),
- MHZ(108),
- MHZ(64), /* Actually 64285715 for some chips */
- MHZ(48),
+ 81 * HZ_PER_MHZ,
+ 108 * HZ_PER_MHZ,
+ 64 * HZ_PER_MHZ, /* Actually 64285715 for some chips */
+ 48 * HZ_PER_MHZ,
};
static const u32 brcmstb_rate_table_7278[] = {
- MHZ(81),
- MHZ(108),
+ 81 * HZ_PER_MHZ,
+ 108 * HZ_PER_MHZ,
0,
- MHZ(48),
+ 48 * HZ_PER_MHZ,
};
struct brcmuart_priv {
--
GitLab
From 1364ea8a561356760c86a38c76ddb553bb17c646 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Thu, 15 Feb 2024 23:29:44 +0000
Subject: [PATCH 0531/2686] serial: lpc32xx_hs: remove redundant check and
assignment of hsu_rate
Variable hsu_rate is being checked for an upper limit and is assigned
a value that is never read. The if statement and assignment are
redundant and can be removed.
Cleans up clang scan build warning:
drivers/tty/serial/lpc32xx_hs.c:237:3: warning: Value stored
to 'hsu_rate' is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240215232944.2075789-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/lpc32xx_hs.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/tty/serial/lpc32xx_hs.c b/drivers/tty/serial/lpc32xx_hs.c
index ec20329f06036..269efc5e2d51f 100644
--- a/drivers/tty/serial/lpc32xx_hs.c
+++ b/drivers/tty/serial/lpc32xx_hs.c
@@ -233,8 +233,6 @@ static unsigned int __serial_get_clock_div(unsigned long uartclk,
hsu_rate++;
}
- if (hsu_rate > 0xFF)
- hsu_rate = 0xFF;
return goodrate;
}
--
GitLab
From 5fcd6e71e8c5ac9091933dc44997f9ed68d9384a Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Fri, 16 Feb 2024 12:17:32 +0000
Subject: [PATCH 0532/2686] tty: jsm: Remove redundant assignment to variable
linestatus
The variable linestate being assigned a value that is never read, the
following continue statement jumps to the end of the while-loop and then
it is re-assigned a new value. The assignment is redundant and can be
removed.
Cleans up clang scan build warning:
drivers/tty/serial/jsm/jsm_cls.c:398:4: warning: Value stored
to 'linestatus' is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240216121732.2106445-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/jsm/jsm_cls.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/tty/serial/jsm/jsm_cls.c b/drivers/tty/serial/jsm/jsm_cls.c
index 1eda48964c0b6..ddbd42c09637c 100644
--- a/drivers/tty/serial/jsm/jsm_cls.c
+++ b/drivers/tty/serial/jsm/jsm_cls.c
@@ -395,7 +395,6 @@ static void cls_copy_data_from_uart_to_queue(struct jsm_channel *ch)
* which in this case is the break signal.
*/
if (linestatus & error_mask) {
- linestatus = 0;
readb(&ch->ch_cls_uart->txrx);
continue;
}
--
GitLab
From cd0eb354d441488feed6685adbeb1acd45db1b8d Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu, 15 Feb 2024 16:50:08 +0200
Subject: [PATCH 0533/2686] serial: 8250_of: Drop quirk fot NPCM from 8250_port
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
We are not supposed to spread quirks in 8250_port module especially
when we have a separate driver for the hardware in question.
Move quirk from generic module to the driver that uses it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240215145029.581389-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_of.c | 44 +++++++++++++++++++++++++++--
drivers/tty/serial/8250/8250_port.c | 24 ----------------
2 files changed, 42 insertions(+), 26 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c
index 34f17a9785e79..9dcc17e332690 100644
--- a/drivers/tty/serial/8250/8250_of.c
+++ b/drivers/tty/serial/8250/8250_of.c
@@ -4,7 +4,10 @@
*
* Copyright (C) 2006 Arnd Bergmann <arnd@arndb.de>, IBM Corp.
*/
+
+#include <linux/bits.h>
#include <linux/console.h>
+#include <linux/math.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/serial_core.h>
@@ -25,6 +28,36 @@ struct of_serial_info {
int line;
};
+/* Nuvoton NPCM timeout register */
+#define UART_NPCM_TOR 7
+#define UART_NPCM_TOIE BIT(7) /* Timeout Interrupt Enable */
+
+static int npcm_startup(struct uart_port *port)
+{
+ /*
+ * Nuvoton calls the scratch register 'UART_TOR' (timeout
+ * register). Enable it, and set TIOC (timeout interrupt
+ * comparator) to be 0x20 for correct operation.
+ */
+ serial_port_out(port, UART_NPCM_TOR, UART_NPCM_TOIE | 0x20);
+
+ return serial8250_do_startup(port);
+}
+
+/* Nuvoton NPCM UARTs have a custom divisor calculation */
+static unsigned int npcm_get_divisor(struct uart_port *port, unsigned int baud,
+ unsigned int *frac)
+{
+ return DIV_ROUND_CLOSEST(port->uartclk, 16 * baud + 2) - 2;
+}
+
+static int npcm_setup(struct uart_port *port)
+{
+ port->get_divisor = npcm_get_divisor;
+ port->startup = npcm_startup;
+ return 0;
+}
+
/*
* Fill a struct uart_port for a given device node
*/
@@ -164,10 +197,17 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
switch (type) {
case PORT_RT2880:
ret = rt288x_setup(port);
- if (ret)
- goto err_pmruntime;
+ break;
+ case PORT_NPCM:
+ ret = npcm_setup(port);
+ break;
+ default:
+ /* Nothing to do */
+ ret = 0;
break;
}
+ if (ret)
+ goto err_pmruntime;
if (IS_REACHABLE(CONFIG_SERIAL_8250_FSL) &&
(of_device_is_compatible(np, "fsl,ns16550") ||
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index c37905ea3cae6..d9e886f2424e6 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -38,10 +38,6 @@
#include "8250.h"
-/* Nuvoton NPCM timeout register */
-#define UART_NPCM_TOR 7
-#define UART_NPCM_TOIE BIT(7) /* Timeout Interrupt Enable */
-
/*
* Debugging.
*/
@@ -2235,15 +2231,6 @@ int serial8250_do_startup(struct uart_port *port)
UART_DA830_PWREMU_MGMT_FREE);
}
- if (port->type == PORT_NPCM) {
- /*
- * Nuvoton calls the scratch register 'UART_TOR' (timeout
- * register). Enable it, and set TIOC (timeout interrupt
- * comparator) to be 0x20 for correct operation.
- */
- serial_port_out(port, UART_NPCM_TOR, UART_NPCM_TOIE | 0x20);
- }
-
#ifdef CONFIG_SERIAL_8250_RSA
/*
* If this is an RSA port, see if we can kick it up to the
@@ -2545,15 +2532,6 @@ static void serial8250_shutdown(struct uart_port *port)
serial8250_do_shutdown(port);
}
-/* Nuvoton NPCM UARTs have a custom divisor calculation */
-static unsigned int npcm_get_divisor(struct uart_8250_port *up,
- unsigned int baud)
-{
- struct uart_port *port = &up->port;
-
- return DIV_ROUND_CLOSEST(port->uartclk, 16 * baud + 2) - 2;
-}
-
static unsigned int serial8250_do_get_divisor(struct uart_port *port,
unsigned int baud,
unsigned int *frac)
@@ -2598,8 +2576,6 @@ static unsigned int serial8250_do_get_divisor(struct uart_port *port,
quot = 0x8001;
else if (magic_multiplier && baud >= port->uartclk / 12)
quot = 0x8002;
- else if (up->port.type == PORT_NPCM)
- quot = npcm_get_divisor(up, baud);
else
quot = uart_get_divisor(port, baud);
--
GitLab
From 548fcf037b3f8592e9fe41469110453a777416d6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>
Date: Thu, 15 Feb 2024 13:15:38 +0200
Subject: [PATCH 0534/2686] tty: Don't include tty_buffer.h in tty.h
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
There's no need to include linux/tty_buffer.h in linux/tty.h.
Move the include into tty_buffer.c that is actually using it.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240215111538.1920-1-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/tty_buffer.c | 1 +
include/linux/tty.h | 1 -
2 files changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index f8883afbeeba6..79f0ff94ce00d 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -7,6 +7,7 @@
#include <linux/errno.h>
#include <linux/minmax.h>
#include <linux/tty.h>
+#include <linux/tty_buffer.h>
#include <linux/tty_driver.h>
#include <linux/tty_flip.h>
#include <linux/timer.h>
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 8c76fd97d4adc..2b2e6f0a54d6e 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -6,7 +6,6 @@
#include <linux/major.h>
#include <linux/termios.h>
#include <linux/workqueue.h>
-#include <linux/tty_buffer.h>
#include <linux/tty_driver.h>
#include <linux/tty_ldisc.h>
#include <linux/tty_port.h>
--
GitLab
From 57a9e5053c7c51c0fbf152b36ca74b997da2f77f Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Mon, 5 Feb 2024 18:04:36 +0000
Subject: [PATCH 0535/2686] comedi: remove redundant assignment to variable
range
The variable range is being initialized with a value that is never
read, it is being re-assigned later on. The initialization is
redundant and can be removed.
Cleans up clang scan build warning:
drivers/comedi/drivers/das08.c:180:2: warning: Value stored
to 'range' is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20240205180436.1841706-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/comedi/drivers/das08.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/comedi/drivers/das08.c b/drivers/comedi/drivers/das08.c
index 5d5b9174f88a9..49944ce1f8135 100644
--- a/drivers/comedi/drivers/das08.c
+++ b/drivers/comedi/drivers/das08.c
@@ -177,7 +177,6 @@ static int das08_ai_insn_read(struct comedi_device *dev,
int ret;
chan = CR_CHAN(insn->chanspec);
- range = CR_RANGE(insn->chanspec);
/* clear crap */
inb(dev->iobase + DAS08_AI_LSB_REG);
--
GitLab
From d0fc93f462b93983b73815e30c478a8d64d0ef68 Mon Sep 17 00:00:00 2001
From: Dawei Li <dawei.li@shingroup.cn>
Date: Wed, 31 Jan 2024 11:30:28 +0800
Subject: [PATCH 0536/2686] misc: eeprom/idt_89hpesx: Convert data structures
to LE explicitly
Kernel test robot reports following sparse warnings:
>> drivers/misc/eeprom/idt_89hpesx.c:599:31: sparse: sparse:
incorrect type in assignment (different base types) @@
expected unsigned short [addressable] [assigned] [usertype]
memaddr @@ got restricted __le16 [usertype] @@
drivers/misc/eeprom/idt_89hpesx.c:599:31: sparse:
expected unsigned short [addressable] [assigned] [usertype]
memaddr
drivers/misc/eeprom/idt_89hpesx.c:599:31: sparse:
restricted __le16 [usertype]
.....
For data structures needs cpu_to_le* conversion, their prototype need
to be declared with __le* explicitly.
Declare data structures to __le* explicitly to address the issue:
- struct idt_eeprom_seq::memaddr
- struct idt_csr_seq::csraddr
- struct idt_csr_seq::data
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202401261250.b07Yt30Z-lkp@intel.com/
Signed-off-by: Dawei Li <dawei.li@shingroup.cn>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240131033028.3099156-1-dawei.li@shingroup.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/eeprom/idt_89hpesx.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/eeprom/idt_89hpesx.c b/drivers/misc/eeprom/idt_89hpesx.c
index d807d08e26144..327afb866b218 100644
--- a/drivers/misc/eeprom/idt_89hpesx.c
+++ b/drivers/misc/eeprom/idt_89hpesx.c
@@ -129,7 +129,7 @@ struct idt_smb_seq {
struct idt_eeprom_seq {
u8 cmd;
u8 eeaddr;
- u16 memaddr;
+ __le16 memaddr;
u8 data;
} __packed;
@@ -141,8 +141,8 @@ struct idt_eeprom_seq {
*/
struct idt_csr_seq {
u8 cmd;
- u16 csraddr;
- u32 data;
+ __le16 csraddr;
+ __le32 data;
} __packed;
/*
--
GitLab
From b34b9547cee41575a4fddf390f615570759dc999 Mon Sep 17 00:00:00 2001
From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date: Sun, 18 Feb 2024 18:41:37 +0100
Subject: [PATCH 0537/2686] clocksource/drivers/arm_global_timer: Fix maximum
prescaler value
The prescaler in the "Global Timer Control Register bit assignments" is
documented to use bits [15:8], which means that the maximum prescaler
register value is 0xff.
Fixes: 171b45a4a70e ("clocksource/drivers/arm_global_timer: Implement rate compensation whenever source clock changes")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240218174138.1942418-2-martin.blumenstingl@googlemail.com
---
drivers/clocksource/arm_global_timer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c
index 44a61dc6f9320..e1c773bb55359 100644
--- a/drivers/clocksource/arm_global_timer.c
+++ b/drivers/clocksource/arm_global_timer.c
@@ -32,7 +32,7 @@
#define GT_CONTROL_IRQ_ENABLE BIT(2) /* banked */
#define GT_CONTROL_AUTO_INC BIT(3) /* banked */
#define GT_CONTROL_PRESCALER_SHIFT 8
-#define GT_CONTROL_PRESCALER_MAX 0xF
+#define GT_CONTROL_PRESCALER_MAX 0xFF
#define GT_CONTROL_PRESCALER_MASK (GT_CONTROL_PRESCALER_MAX << \
GT_CONTROL_PRESCALER_SHIFT)
--
GitLab
From 9256cec7b4f3293c11585326401325b1f81670e1 Mon Sep 17 00:00:00 2001
From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date: Sun, 18 Feb 2024 18:41:38 +0100
Subject: [PATCH 0538/2686] clocksource/drivers/arm_global_timer: Remove stray
tab
Remove a stray tab in global_timer_of_register() which is different from
the coding style in the rest of the driver.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240218174138.1942418-3-martin.blumenstingl@googlemail.com
---
drivers/clocksource/arm_global_timer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c
index e1c773bb55359..8dd1e46b7176d 100644
--- a/drivers/clocksource/arm_global_timer.c
+++ b/drivers/clocksource/arm_global_timer.c
@@ -411,7 +411,7 @@ static int __init global_timer_of_register(struct device_node *np)
err = gt_clocksource_init();
if (err)
goto out_irq;
-
+
err = cpuhp_setup_state(CPUHP_AP_ARM_GLOBAL_TIMER_STARTING,
"clockevents/arm/global_timer:starting",
gt_starting_cpu, gt_dying_cpu);
--
GitLab
From d87c295f599cab2ab3b3df53a9098adba4a6002b Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Tue, 30 Jan 2024 10:46:27 -0800
Subject: [PATCH 0539/2686] sysfs: Introduce a mechanism to hide static
attribute_groups
Add a mechanism for named attribute_groups to hide their directory at
sysfs_update_group() time, or otherwise skip emitting the group
directory when the group is first registered. It piggybacks on
is_visible() in a similar manner as SYSFS_PREALLOC, i.e. special flags
in the upper bits of the returned mode. To use it, specify a symbol
prefix to DEFINE_SYSFS_GROUP_VISIBLE(), and then pass that same prefix
to SYSFS_GROUP_VISIBLE() when assigning the @is_visible() callback:
DEFINE_SYSFS_GROUP_VISIBLE($prefix)
struct attribute_group $prefix_group = {
.name = $name,
.is_visible = SYSFS_GROUP_VISIBLE($prefix),
};
SYSFS_GROUP_VISIBLE() expects a definition of $prefix_group_visible()
and $prefix_attr_visible(), where $prefix_group_visible() just returns
true / false and $prefix_attr_visible() behaves as normal.
The motivation for this capability is to centralize PCI device
authentication in the PCI core with a named sysfs group while keeping
that group hidden for devices and platforms that do not meet the
requirements. In a PCI topology, most devices will not support
authentication, a small subset will support just PCI CMA (Component
Measurement and Authentication), a smaller subset will support PCI CMA +
PCIe IDE (Link Integrity and Encryption), and only next generation
server hosts will start to include a platform TSM (TEE Security
Manager).
Without this capability the alternatives are:
* Check if all attributes are invisible and if so, hide the directory.
Beyond trouble getting this to work [1], this is an ABI change for
scenarios if userspace happens to depend on group visibility absent any
attributes. I.e. this new capability avoids regression since it does
not retroactively apply to existing cases.
* Publish an empty /sys/bus/pci/devices/$pdev/tsm/ directory for all PCI
devices (i.e. for the case when TSM platform support is present, but
device support is absent). Unfortunate that this will be a vestigial
empty directory in the vast majority of cases.
* Reintroduce usage of runtime calls to sysfs_{create,remove}_group()
in the PCI core. Bjorn has already indicated that he does not want to
see any growth of pci_sysfs_init() [2].
* Drop the named group and simulate a directory by prefixing all
TSM-related attributes with "tsm_". Unfortunate to not use the naming
capability of a sysfs group as intended.
In comparison, there is a small potential for regression if for some
reason an @is_visible() callback had dependencies on how many times it
was called. Additionally, it is no longer an error to update a group
that does not have its directory already present, and it is no longer a
WARN() to remove a group that was never visible.
Link: https://lore.kernel.org/all/2024012321-envious-procedure-4a58@gregkh/ [1]
Link: https://lore.kernel.org/linux-pci/20231019200110.GA1410324@bhelgaas/ [2]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/2024013028-deflator-flaring-ec62@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/sysfs/group.c | 45 ++++++++++++++++++++++++-------
include/linux/sysfs.h | 63 ++++++++++++++++++++++++++++++++++---------
2 files changed, 87 insertions(+), 21 deletions(-)
diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c
index 138676463336c..ccb275cdabcb6 100644
--- a/fs/sysfs/group.c
+++ b/fs/sysfs/group.c
@@ -31,6 +31,17 @@ static void remove_files(struct kernfs_node *parent,
kernfs_remove_by_name(parent, (*bin_attr)->attr.name);
}
+static umode_t __first_visible(const struct attribute_group *grp, struct kobject *kobj)
+{
+ if (grp->attrs && grp->is_visible)
+ return grp->is_visible(kobj, grp->attrs[0], 0);
+
+ if (grp->bin_attrs && grp->is_bin_visible)
+ return grp->is_bin_visible(kobj, grp->bin_attrs[0], 0);
+
+ return 0;
+}
+
static int create_files(struct kernfs_node *parent, struct kobject *kobj,
kuid_t uid, kgid_t gid,
const struct attribute_group *grp, int update)
@@ -52,6 +63,7 @@ static int create_files(struct kernfs_node *parent, struct kobject *kobj,
kernfs_remove_by_name(parent, (*attr)->name);
if (grp->is_visible) {
mode = grp->is_visible(kobj, *attr, i);
+ mode &= ~SYSFS_GROUP_INVISIBLE;
if (!mode)
continue;
}
@@ -81,6 +93,7 @@ static int create_files(struct kernfs_node *parent, struct kobject *kobj,
(*bin_attr)->attr.name);
if (grp->is_bin_visible) {
mode = grp->is_bin_visible(kobj, *bin_attr, i);
+ mode &= ~SYSFS_GROUP_INVISIBLE;
if (!mode)
continue;
}
@@ -127,16 +140,31 @@ static int internal_create_group(struct kobject *kobj, int update,
kobject_get_ownership(kobj, &uid, &gid);
if (grp->name) {
+ umode_t mode = __first_visible(grp, kobj);
+
+ if (mode & SYSFS_GROUP_INVISIBLE)
+ mode = 0;
+ else
+ mode = S_IRWXU | S_IRUGO | S_IXUGO;
+
if (update) {
kn = kernfs_find_and_get(kobj->sd, grp->name);
if (!kn) {
- pr_warn("Can't update unknown attr grp name: %s/%s\n",
- kobj->name, grp->name);
- return -EINVAL;
+ pr_debug("attr grp %s/%s not created yet\n",
+ kobj->name, grp->name);
+ /* may have been invisible prior to this update */
+ update = 0;
+ } else if (!mode) {
+ sysfs_remove_group(kobj, grp);
+ kernfs_put(kn);
+ return 0;
}
- } else {
- kn = kernfs_create_dir_ns(kobj->sd, grp->name,
- S_IRWXU | S_IRUGO | S_IXUGO,
+ }
+
+ if (!update) {
+ if (!mode)
+ return 0;
+ kn = kernfs_create_dir_ns(kobj->sd, grp->name, mode,
uid, gid, kobj, NULL);
if (IS_ERR(kn)) {
if (PTR_ERR(kn) == -EEXIST)
@@ -279,9 +307,8 @@ void sysfs_remove_group(struct kobject *kobj,
if (grp->name) {
kn = kernfs_find_and_get(parent, grp->name);
if (!kn) {
- WARN(!kn, KERN_WARNING
- "sysfs group '%s' not found for kobject '%s'\n",
- grp->name, kobject_name(kobj));
+ pr_debug("sysfs group '%s' not found for kobject '%s'\n",
+ grp->name, kobject_name(kobj));
return;
}
} else {
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index b717a70219f65..a42642b277dd0 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -61,22 +61,32 @@ do { \
/**
* struct attribute_group - data structure used to declare an attribute group.
* @name: Optional: Attribute group name
- * If specified, the attribute group will be created in
- * a new subdirectory with this name.
+ * If specified, the attribute group will be created in a
+ * new subdirectory with this name. Additionally when a
+ * group is named, @is_visible and @is_bin_visible may
+ * return SYSFS_GROUP_INVISIBLE to control visibility of
+ * the directory itself.
* @is_visible: Optional: Function to return permissions associated with an
- * attribute of the group. Will be called repeatedly for each
- * non-binary attribute in the group. Only read/write
+ * attribute of the group. Will be called repeatedly for
+ * each non-binary attribute in the group. Only read/write
* permissions as well as SYSFS_PREALLOC are accepted. Must
- * return 0 if an attribute is not visible. The returned value
- * will replace static permissions defined in struct attribute.
+ * return 0 if an attribute is not visible. The returned
+ * value will replace static permissions defined in struct
+ * attribute. Use SYSFS_GROUP_VISIBLE() when assigning this
+ * callback to specify separate _group_visible() and
+ * _attr_visible() handlers.
* @is_bin_visible:
* Optional: Function to return permissions associated with a
* binary attribute of the group. Will be called repeatedly
* for each binary attribute in the group. Only read/write
- * permissions as well as SYSFS_PREALLOC are accepted. Must
- * return 0 if a binary attribute is not visible. The returned
- * value will replace static permissions defined in
- * struct bin_attribute.
+ * permissions as well as SYSFS_PREALLOC (and the
+ * visibility flags for named groups) are accepted. Must
+ * return 0 if a binary attribute is not visible. The
+ * returned value will replace static permissions defined
+ * in struct bin_attribute. If @is_visible is not set, Use
+ * SYSFS_GROUP_VISIBLE() when assigning this callback to
+ * specify separate _group_visible() and _attr_visible()
+ * handlers.
* @attrs: Pointer to NULL terminated list of attributes.
* @bin_attrs: Pointer to NULL terminated list of binary attributes.
* Either attrs or bin_attrs or both must be provided.
@@ -91,13 +101,42 @@ struct attribute_group {
struct bin_attribute **bin_attrs;
};
+#define SYSFS_PREALLOC 010000
+#define SYSFS_GROUP_INVISIBLE 020000
+
+/*
+ * The first call to is_visible() in the create / update path may
+ * indicate visibility for the entire group
+ */
+#define DEFINE_SYSFS_GROUP_VISIBLE(name) \
+ static inline umode_t sysfs_group_visible_##name( \
+ struct kobject *kobj, struct attribute *attr, int n) \
+ { \
+ if (n == 0 && !name##_group_visible(kobj)) \
+ return SYSFS_GROUP_INVISIBLE; \
+ return name##_attr_visible(kobj, attr, n); \
+ }
+
+/*
+ * Same as DEFINE_SYSFS_GROUP_VISIBLE, but for groups with only binary
+ * attributes
+ */
+#define DEFINE_SYSFS_BIN_GROUP_VISIBLE(name) \
+ static inline umode_t sysfs_group_visible_##name( \
+ struct kobject *kobj, struct bin_attribute *attr, int n) \
+ { \
+ if (n == 0 && !name##_group_visible(kobj)) \
+ return SYSFS_GROUP_INVISIBLE; \
+ return name##_attr_visible(kobj, attr, n); \
+ }
+
+#define SYSFS_GROUP_VISIBLE(fn) sysfs_group_visible_##fn
+
/*
* Use these macros to make defining attributes easier.
* See include/linux/device.h for examples..
*/
-#define SYSFS_PREALLOC 010000
-
#define __ATTR(_name, _mode, _show, _store) { \
.attr = {.name = __stringify(_name), \
.mode = VERIFY_OCTAL_PERMISSIONS(_mode) }, \
--
GitLab
From 64eec95820c19d5e1dbb65913d3473b3cf679940 Mon Sep 17 00:00:00 2001
From: Jeffrey Hugo <quic_jhugo@quicinc.com>
Date: Mon, 19 Feb 2024 10:16:28 +0200
Subject: [PATCH 0540/2686] dt-bindings: interconnect: qcom,rpmh: Fix bouncing
@codeaurora address
The servers for the @codeaurora domain have long been retired and any
messages sent there will bounce. Fix Odelu's address in the binding to
match the .mailmap entry so that folks see the correct address when
looking at the documentation.
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240202181748.4124411-1-quic_jhugo@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
index 74ab080249ff8..9318b845ec359 100644
--- a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
+++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
@@ -8,7 +8,7 @@ title: Qualcomm RPMh Network-On-Chip Interconnect
maintainers:
- Georgi Djakov <georgi.djakov@linaro.org>
- - Odelu Kukatla <okukatla@codeaurora.org>
+ - Odelu Kukatla <quic_okukatla@quicinc.com>
description: |
RPMh interconnect providers support system bandwidth requirements through
--
GitLab
From 146bb64e49393317418630c85d0e1dbdf7e996e2 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sun, 18 Feb 2024 16:18:09 -0300
Subject: [PATCH 0541/2686] usb: typec: constify the struct device_type usage
Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move all the
device_type variables in use by the driver to be constant structures as
well, placing it into read-only memory which can not be modified at
runtime.
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240218-device_cleanup-usb-v1-1-77423c4da262@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/pd.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)
diff --git a/drivers/usb/typec/pd.c b/drivers/usb/typec/pd.c
index b9cca2be76fce..d78c04a421bc2 100644
--- a/drivers/usb/typec/pd.c
+++ b/drivers/usb/typec/pd.c
@@ -157,7 +157,7 @@ static const struct attribute_group source_fixed_supply_group = {
};
__ATTRIBUTE_GROUPS(source_fixed_supply);
-static struct device_type source_fixed_supply_type = {
+static const struct device_type source_fixed_supply_type = {
.name = "pdo",
.release = pdo_release,
.groups = source_fixed_supply_groups,
@@ -182,7 +182,7 @@ static const struct attribute_group sink_fixed_supply_group = {
};
__ATTRIBUTE_GROUPS(sink_fixed_supply);
-static struct device_type sink_fixed_supply_type = {
+static const struct device_type sink_fixed_supply_type = {
.name = "pdo",
.release = pdo_release,
.groups = sink_fixed_supply_groups,
@@ -213,7 +213,7 @@ static struct attribute *source_variable_supply_attrs[] = {
};
ATTRIBUTE_GROUPS(source_variable_supply);
-static struct device_type source_variable_supply_type = {
+static const struct device_type source_variable_supply_type = {
.name = "pdo",
.release = pdo_release,
.groups = source_variable_supply_groups,
@@ -227,7 +227,7 @@ static struct attribute *sink_variable_supply_attrs[] = {
};
ATTRIBUTE_GROUPS(sink_variable_supply);
-static struct device_type sink_variable_supply_type = {
+static const struct device_type sink_variable_supply_type = {
.name = "pdo",
.release = pdo_release,
.groups = sink_variable_supply_groups,
@@ -258,7 +258,7 @@ static struct attribute *source_battery_attrs[] = {
};
ATTRIBUTE_GROUPS(source_battery);
-static struct device_type source_battery_type = {
+static const struct device_type source_battery_type = {
.name = "pdo",
.release = pdo_release,
.groups = source_battery_groups,
@@ -272,7 +272,7 @@ static struct attribute *sink_battery_attrs[] = {
};
ATTRIBUTE_GROUPS(sink_battery);
-static struct device_type sink_battery_type = {
+static const struct device_type sink_battery_type = {
.name = "pdo",
.release = pdo_release,
.groups = sink_battery_groups,
@@ -339,7 +339,7 @@ static struct attribute *source_pps_attrs[] = {
};
ATTRIBUTE_GROUPS(source_pps);
-static struct device_type source_pps_type = {
+static const struct device_type source_pps_type = {
.name = "pdo",
.release = pdo_release,
.groups = source_pps_groups,
@@ -353,7 +353,7 @@ static struct attribute *sink_pps_attrs[] = {
};
ATTRIBUTE_GROUPS(sink_pps);
-static struct device_type sink_pps_type = {
+static const struct device_type sink_pps_type = {
.name = "pdo",
.release = pdo_release,
.groups = sink_pps_groups,
@@ -371,30 +371,30 @@ static const char * const apdo_supply_name[] = {
[APDO_TYPE_PPS] = "programmable_supply",
};
-static struct device_type *source_type[] = {
+static const struct device_type *source_type[] = {
[PDO_TYPE_FIXED] = &source_fixed_supply_type,
[PDO_TYPE_BATT] = &source_battery_type,
[PDO_TYPE_VAR] = &source_variable_supply_type,
};
-static struct device_type *source_apdo_type[] = {
+static const struct device_type *source_apdo_type[] = {
[APDO_TYPE_PPS] = &source_pps_type,
};
-static struct device_type *sink_type[] = {
+static const struct device_type *sink_type[] = {
[PDO_TYPE_FIXED] = &sink_fixed_supply_type,
[PDO_TYPE_BATT] = &sink_battery_type,
[PDO_TYPE_VAR] = &sink_variable_supply_type,
};
-static struct device_type *sink_apdo_type[] = {
+static const struct device_type *sink_apdo_type[] = {
[APDO_TYPE_PPS] = &sink_pps_type,
};
/* REVISIT: Export when EPR_*_Capabilities need to be supported. */
static int add_pdo(struct usb_power_delivery_capabilities *cap, u32 pdo, int position)
{
- struct device_type *type;
+ const struct device_type *type;
const char *name;
struct pdo *p;
int ret;
@@ -460,7 +460,7 @@ static void pd_capabilities_release(struct device *dev)
kfree(to_usb_power_delivery_capabilities(dev));
}
-static struct device_type pd_capabilities_type = {
+static const struct device_type pd_capabilities_type = {
.name = "capabilities",
.release = pd_capabilities_release,
};
@@ -575,7 +575,7 @@ static void pd_release(struct device *dev)
kfree(pd);
}
-static struct device_type pd_type = {
+static const struct device_type pd_type = {
.name = "usb_power_delivery",
.release = pd_release,
.groups = pd_groups,
--
GitLab
From df097bf988c082726d1b35d7132a915db2110a43 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sun, 18 Feb 2024 16:18:10 -0300
Subject: [PATCH 0542/2686] usb: phy: constify the struct device_type usage
Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the
usb_phy_dev_type variable to be a constant structure as well, placing it
into read-only memory which can not be modified at runtime.
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240218-device_cleanup-usb-v1-2-77423c4da262@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/phy/phy.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index 4b468bde19cfb..06e0fb23566ce 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -699,7 +699,7 @@ int usb_add_phy(struct usb_phy *x, enum usb_phy_type type)
}
EXPORT_SYMBOL_GPL(usb_add_phy);
-static struct device_type usb_phy_dev_type = {
+static const struct device_type usb_phy_dev_type = {
.name = "usb_phy",
.uevent = usb_phy_uevent,
};
--
GitLab
From 3e383260dfd406d8bb09a64cadeafb5cd71a7e0c Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sun, 18 Feb 2024 16:18:11 -0300
Subject: [PATCH 0543/2686] usb: gadget: constify the struct device_type usage
Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the gadget_type
variable to be a constant structure as well, placing it into read-only
memory which can not be modified at runtime.
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240218-device_cleanup-usb-v1-3-77423c4da262@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/u_ether.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c
index 3c5a6f6ac3414..444212c0b5a98 100644
--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -718,7 +718,7 @@ static const struct net_device_ops eth_netdev_ops = {
.ndo_validate_addr = eth_validate_addr,
};
-static struct device_type gadget_type = {
+static const struct device_type gadget_type = {
.name = "gadget",
};
--
GitLab
From 1ab40abcdbb2c409372223060078cc2347df2721 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sun, 18 Feb 2024 16:18:12 -0300
Subject: [PATCH 0544/2686] usb: core: constify the struct device_type usage
Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the
usb_device_type, usb_if_device_type, usb_ep_device_type and
usb_port_device_type variables to be constant structures as well, placing
it into read-only memory which can not be modified at runtime.
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240218-device_cleanup-usb-v1-4-77423c4da262@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/endpoint.c | 2 +-
drivers/usb/core/message.c | 2 +-
drivers/usb/core/port.c | 2 +-
drivers/usb/core/usb.c | 2 +-
drivers/usb/core/usb.h | 8 ++++----
5 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c
index a2530811cf7de..4b38b87a13438 100644
--- a/drivers/usb/core/endpoint.c
+++ b/drivers/usb/core/endpoint.c
@@ -141,7 +141,7 @@ static void ep_device_release(struct device *dev)
kfree(ep_dev);
}
-struct device_type usb_ep_device_type = {
+const struct device_type usb_ep_device_type = {
.name = "usb_endpoint",
.release = ep_device_release,
};
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 077dfe48d01c1..67316d271596d 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1849,7 +1849,7 @@ static int usb_if_uevent(const struct device *dev, struct kobj_uevent_env *env)
return 0;
}
-struct device_type usb_if_device_type = {
+const struct device_type usb_if_device_type = {
.name = "usb_interface",
.release = usb_release_interface,
.uevent = usb_if_uevent,
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index c628c1abc9071..84d36172b0402 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -429,7 +429,7 @@ static const struct dev_pm_ops usb_port_pm_ops = {
#endif
};
-struct device_type usb_port_device_type = {
+const struct device_type usb_port_device_type = {
.name = "usb_port",
.release = usb_port_device_release,
.pm = &usb_port_pm_ops,
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index dc8d9228a5e75..a0c432b14b20b 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -592,7 +592,7 @@ static char *usb_devnode(const struct device *dev,
usb_dev->bus->busnum, usb_dev->devnum);
}
-struct device_type usb_device_type = {
+const struct device_type usb_device_type = {
.name = "usb_device",
.release = usb_release_dev,
.uevent = usb_dev_uevent,
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index bfecb50773b6b..b8324ea05b20f 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -144,10 +144,10 @@ static inline int usb_disable_usb2_hardware_lpm(struct usb_device *udev)
extern const struct class usbmisc_class;
extern const struct bus_type usb_bus_type;
extern struct mutex usb_port_peer_mutex;
-extern struct device_type usb_device_type;
-extern struct device_type usb_if_device_type;
-extern struct device_type usb_ep_device_type;
-extern struct device_type usb_port_device_type;
+extern const struct device_type usb_device_type;
+extern const struct device_type usb_if_device_type;
+extern const struct device_type usb_ep_device_type;
+extern const struct device_type usb_port_device_type;
extern struct usb_device_driver usb_generic_driver;
static inline int is_usb_device(const struct device *dev)
--
GitLab
From d4c22ec3fc7c6692273945925cd4bbf8f7888a54 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Sun, 18 Feb 2024 09:53:54 +0100
Subject: [PATCH 0545/2686] tty: amiserial: Convert to platform remove callback
returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/f2ad92c97086c42dab23cdb165d9f978bbf3d3b5.1708246007.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/amiserial.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
index 7716ce0d35bc2..e27360652d9b6 100644
--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -1566,7 +1566,7 @@ static int __init amiga_serial_probe(struct platform_device *pdev)
return error;
}
-static int __exit amiga_serial_remove(struct platform_device *pdev)
+static void __exit amiga_serial_remove(struct platform_device *pdev)
{
struct serial_state *state = platform_get_drvdata(pdev);
@@ -1576,12 +1576,10 @@ static int __exit amiga_serial_remove(struct platform_device *pdev)
free_irq(IRQ_AMIGA_TBE, state);
free_irq(IRQ_AMIGA_RBF, state);
-
- return 0;
}
static struct platform_driver amiga_serial_driver = {
- .remove = __exit_p(amiga_serial_remove),
+ .remove_new = __exit_p(amiga_serial_remove),
.driver = {
.name = "amiga-serial",
},
--
GitLab
From 138ab8af698d0139c6d73694128605c384e6c2c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Sun, 18 Feb 2024 09:53:55 +0100
Subject: [PATCH 0546/2686] tty: goldfish: Convert to platform remove callback
returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/60d0657daf8f4f9e2e3e282941ba542f08dc7f96.1708246007.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/goldfish.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c
index d27979eabfdfb..34421ec06a69e 100644
--- a/drivers/tty/goldfish.c
+++ b/drivers/tty/goldfish.c
@@ -408,7 +408,7 @@ static int goldfish_tty_probe(struct platform_device *pdev)
return ret;
}
-static int goldfish_tty_remove(struct platform_device *pdev)
+static void goldfish_tty_remove(struct platform_device *pdev)
{
struct goldfish_tty *qtty = platform_get_drvdata(pdev);
@@ -424,7 +424,6 @@ static int goldfish_tty_remove(struct platform_device *pdev)
if (goldfish_tty_current_line_count == 0)
goldfish_tty_delete_driver();
mutex_unlock(&goldfish_tty_lock);
- return 0;
}
#ifdef CONFIG_GOLDFISH_TTY_EARLY_CONSOLE
@@ -462,7 +461,7 @@ MODULE_DEVICE_TABLE(of, goldfish_tty_of_match);
static struct platform_driver goldfish_tty_platform_driver = {
.probe = goldfish_tty_probe,
- .remove = goldfish_tty_remove,
+ .remove_new = goldfish_tty_remove,
.driver = {
.name = "goldfish_tty",
.of_match_table = goldfish_tty_of_match,
--
GitLab
From 1643281347f80116a500e6a17726351a7265a55c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Sun, 18 Feb 2024 09:53:56 +0100
Subject: [PATCH 0547/2686] serial: pmac_zilog: Convert to platform remove
callback returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Note that pmz_detach() is only called once pmz_attach() was successfully
called. In that case platform_set_drvdata() was called and so
platform_get_drvdata() won't return NULL. This allows to drop the
respective check and so get rid of the only error path in pmz_detach().
After that the driver can be trivially converted from always returning
zero in the remove callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/90b9a65ad8800b4d047aa5219959008a01588a94.1708246007.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/pmac_zilog.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index c8bf08c19c647..05b5b3b456ac8 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -1717,18 +1717,13 @@ static int __init pmz_attach(struct platform_device *pdev)
return uart_add_one_port(&pmz_uart_reg, &uap->port);
}
-static int __exit pmz_detach(struct platform_device *pdev)
+static void __exit pmz_detach(struct platform_device *pdev)
{
struct uart_pmac_port *uap = platform_get_drvdata(pdev);
- if (!uap)
- return -ENODEV;
-
uart_remove_one_port(&pmz_uart_reg, &uap->port);
uap->port.dev = NULL;
-
- return 0;
}
#endif /* !CONFIG_PPC_PMAC */
@@ -1797,7 +1792,7 @@ static struct macio_driver pmz_driver = {
#else
static struct platform_driver pmz_driver = {
- .remove = __exit_p(pmz_detach),
+ .remove_new = __exit_p(pmz_detach),
.driver = {
.name = "scc",
},
--
GitLab
From 6dde7d5fbdc3ad2c03c8c0fe3f2ed229fa31d1e5 Mon Sep 17 00:00:00 2001
From: Marc Dietrich <marvin24@gmx.de>
Date: Sun, 18 Feb 2024 22:25:56 +0100
Subject: [PATCH 0548/2686] staging/nvec: update comment regarding udelay in
the isr
Update the comment before the udelay on how to replace it.
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Link: https://lore.kernel.org/r/20240218212557.22836-1-marvin24@gmx.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/nvec/nvec.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c
index 2823cacde1309..282a664c91763 100644
--- a/drivers/staging/nvec/nvec.c
+++ b/drivers/staging/nvec/nvec.c
@@ -709,10 +709,11 @@ static irqreturn_t nvec_interrupt(int irq, void *dev)
status & RNW ? " RNW" : "");
/*
- * TODO: A correct fix needs to be found for this.
+ * TODO: replace the udelay with a read back after each writel above
+ * in order to work around a hardware issue, see i2c-tegra.c
*
- * We experience less incomplete messages with this delay than without
- * it, but we don't know why. Help is appreciated.
+ * Unfortunately, this change causes an intialisation issue with the
+ * touchpad, which needs to be fixed first.
*/
udelay(100);
--
GitLab
From 673f605ea73f1658cea26bfcdfbffd54c34b7828 Mon Sep 17 00:00:00 2001
From: Marc Dietrich <marvin24@gmx.de>
Date: Sun, 18 Feb 2024 22:25:57 +0100
Subject: [PATCH 0549/2686] staging/nvec: update TODO
replace old/implemented items with new todo list
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Link: https://lore.kernel.org/r/20240218212557.22836-2-marvin24@gmx.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/nvec/TODO | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/nvec/TODO b/drivers/staging/nvec/TODO
index e4d85d9b46817..8afde3ccc960e 100644
--- a/drivers/staging/nvec/TODO
+++ b/drivers/staging/nvec/TODO
@@ -1,6 +1,5 @@
ToDo list (incomplete, unordered)
- - add compile as module support
- - move half of the nvec init stuff to i2c-tegra.c
- - move event handling to nvec_events
+ - move the driver to the new i2c slave framework
- finish suspend/resume support
- - add support for more device implementations
+ - fix udelay in the isr
+ - add atomic ops in order to fix shutoff/reboot problems
--
GitLab
From 12e3342fc7b0ec7fcb03f41bb49a1a6e3dcc0663 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 7 Jan 2024 22:19:47 +0900
Subject: [PATCH 0550/2686] kconfig: remove unneeded buffer allocation in
zconf_initscan()
In Kconfig, there is a stack to save the lexer state for each inclusion
level.
Currently, it operates as an empty stack, with the 'current_buf' always
pointing to an empty buffer. There is no need to preallocate the buffer.
Change it to a full stack.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/lexer.l | 29 +++++++++++++----------------
1 file changed, 13 insertions(+), 16 deletions(-)
diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index cc386e4436834..d75423ec4eae1 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -391,9 +391,6 @@ void zconf_initscan(const char *name)
exit(1);
}
- current_buf = xmalloc(sizeof(*current_buf));
- memset(current_buf, 0, sizeof(*current_buf));
-
current_file = file_lookup(name);
yylineno = 1;
}
@@ -403,9 +400,10 @@ void zconf_nextfile(const char *name)
struct file *iter;
struct file *file = file_lookup(name);
struct buffer *buf = xmalloc(sizeof(*buf));
- memset(buf, 0, sizeof(*buf));
- current_buf->state = YY_CURRENT_BUFFER;
+ buf->state = YY_CURRENT_BUFFER;
+ buf->parent = current_buf;
+ current_buf = buf;
yyin = zconf_fopen(file->name);
if (!yyin) {
fprintf(stderr, "%s:%d: can't open file \"%s\"\n",
@@ -413,8 +411,6 @@ void zconf_nextfile(const char *name)
exit(1);
}
yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
- buf->parent = current_buf;
- current_buf = buf;
current_file->lineno = yylineno;
file->parent = current_file;
@@ -441,20 +437,21 @@ void zconf_nextfile(const char *name)
static void zconf_endfile(void)
{
- struct buffer *parent;
+ struct buffer *tmp;
current_file = current_file->parent;
if (current_file)
yylineno = current_file->lineno;
- parent = current_buf->parent;
- if (parent) {
- fclose(yyin);
- yy_delete_buffer(YY_CURRENT_BUFFER);
- yy_switch_to_buffer(parent->state);
- }
- free(current_buf);
- current_buf = parent;
+ if (!current_buf)
+ return;
+
+ fclose(yyin);
+ yy_delete_buffer(YY_CURRENT_BUFFER);
+ yy_switch_to_buffer(current_buf->state);
+ tmp = current_buf;
+ current_buf = current_buf->parent;
+ free(tmp);
}
int zconf_lineno(void)
--
GitLab
From 93c432e8c974dfd609a9c7777f731073e4de0c8e Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 7 Jan 2024 22:19:48 +0900
Subject: [PATCH 0551/2686] kconfig: fix line number in recursive inclusion
detection
The error message shows a wrong line number if the 'source' directive
is wrapped to the following line.
[Test Code]
source \
"Kconfig"
This results in the following error message:
Recursive inclusion detected.
Inclusion path:
current file : Kconfig
included from: Kconfig:2
The correct message should be as follows:
Recursive inclusion detected.
Inclusion path:
current file : Kconfig
included from: Kconfig:1
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/lexer.l | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index d75423ec4eae1..f93b535a080c0 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -33,6 +33,7 @@ static int text_size, text_asize;
struct buffer {
struct buffer *parent;
YY_BUFFER_STATE state;
+ int yylineno;
};
static struct buffer *current_buf;
@@ -402,6 +403,7 @@ void zconf_nextfile(const char *name)
struct buffer *buf = xmalloc(sizeof(*buf));
buf->state = YY_CURRENT_BUFFER;
+ buf->yylineno = yylineno;
buf->parent = current_buf;
current_buf = buf;
yyin = zconf_fopen(file->name);
@@ -412,7 +414,7 @@ void zconf_nextfile(const char *name)
}
yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
- current_file->lineno = yylineno;
+ current_file->lineno = zconf_lineno();
file->parent = current_file;
for (iter = current_file; iter; iter = iter->parent) {
@@ -425,7 +427,7 @@ void zconf_nextfile(const char *name)
do {
iter = iter->parent;
fprintf(stderr, " included from: %s:%d\n",
- iter->name, iter->lineno - 1);
+ iter->name, iter->lineno);
} while (strcmp(iter->name, file->name));
exit(1);
}
@@ -440,8 +442,6 @@ static void zconf_endfile(void)
struct buffer *tmp;
current_file = current_file->parent;
- if (current_file)
- yylineno = current_file->lineno;
if (!current_buf)
return;
@@ -449,6 +449,7 @@ static void zconf_endfile(void)
fclose(yyin);
yy_delete_buffer(YY_CURRENT_BUFFER);
yy_switch_to_buffer(current_buf->state);
+ yylineno = current_buf->yylineno;
tmp = current_buf;
current_buf = current_buf->parent;
free(tmp);
--
GitLab
From f6314b76d826e58ca394c944e22a39855a995096 Mon Sep 17 00:00:00 2001
From: Vegard Nossum <vegard.nossum@oracle.com>
Date: Fri, 12 Jan 2024 13:58:30 +0100
Subject: [PATCH 0552/2686] docs: kbuild/kconfig: reformat/cleanup
This document was using headings in an odd way, causing the sidebar to be
quite messy. I've adding new headings and turned some of the old headings
into description lists.
The indentation was a mix of spaces and tabs; I've turned them all into
4 spaces so it always reads correctly regardless of tab settings.
Also use ``...`` instead of `...`; the difference is that `` is meant
for "inline literals" (and renders in a monospace font) while ` is for
"interpreted text" (and renders with italics).
Also changed the title of the document to be more descriptive.
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
Documentation/kbuild/kconfig.rst | 363 ++++++++++++++-----------------
1 file changed, 166 insertions(+), 197 deletions(-)
diff --git a/Documentation/kbuild/kconfig.rst b/Documentation/kbuild/kconfig.rst
index c946eb44bd138..fc4e845bc249b 100644
--- a/Documentation/kbuild/kconfig.rst
+++ b/Documentation/kbuild/kconfig.rst
@@ -1,10 +1,10 @@
-===================
-Kconfig make config
-===================
+=================================
+Configuration targets and editors
+=================================
-This file contains some assistance for using `make *config`.
+This file contains some assistance for using ``make *config``.
-Use "make help" to list all of the possible configuration targets.
+Use ``make help`` to list all of the possible configuration targets.
The xconfig ('qconf'), menuconfig ('mconf'), and nconfig ('nconf')
programs also have embedded help text. Be sure to check that for
@@ -12,8 +12,9 @@ navigation, search, and other general help text.
The gconfig ('gconf') program has limited help text.
+
General
--------
+=======
New kernel releases often introduce new config symbols. Often more
important, new kernel releases may rename config symbols. When
@@ -24,118 +25,102 @@ symbols have been introduced.
To see a list of new config symbols, use::
- cp user/some/old.config .config
- make listnewconfig
+ cp user/some/old.config .config
+ make listnewconfig
and the config program will list any new symbols, one per line.
Alternatively, you can use the brute force method::
- make oldconfig
- scripts/diffconfig .config.old .config | less
-
-----------------------------------------------------------------------
-
-Environment variables for `*config`
+ make oldconfig
+ scripts/diffconfig .config.old .config | less
-KCONFIG_CONFIG
---------------
-This environment variable can be used to specify a default kernel config
-file name to override the default name of ".config".
-KCONFIG_DEFCONFIG_LIST
-----------------------
+Environment variables
+=====================
-This environment variable specifies a list of config files which can be used
-as a base configuration in case the .config does not exist yet. Entries in
-the list are separated with whitespaces to each other, and the first one
-that exists is used.
+Environment variables for ``*config``:
-KCONFIG_OVERWRITECONFIG
------------------------
-If you set KCONFIG_OVERWRITECONFIG in the environment, Kconfig will not
-break symlinks when .config is a symlink to somewhere else.
+``KCONFIG_CONFIG``
+ This environment variable can be used to specify a default kernel config
+ file name to override the default name of ".config".
-KCONFIG_WARN_UNKNOWN_SYMBOLS
-----------------------------
-This environment variable makes Kconfig warn about all unrecognized
-symbols in the config input.
+``KCONFIG_DEFCONFIG_LIST``
+ This environment variable specifies a list of config files which can be
+ used as a base configuration in case the .config does not exist yet.
+ Entries in the list are separated with whitespaces to each other, and
+ the first one that exists is used.
-KCONFIG_WERROR
---------------
-If set, Kconfig treats warnings as errors.
+``KCONFIG_OVERWRITECONFIG``
+ If you set KCONFIG_OVERWRITECONFIG in the environment, Kconfig will not
+ break symlinks when .config is a symlink to somewhere else.
-`CONFIG_`
----------
-If you set `CONFIG_` in the environment, Kconfig will prefix all symbols
-with its value when saving the configuration, instead of using the default,
-`CONFIG_`.
+``KCONFIG_WARN_UNKNOWN_SYMBOLS``
+ This environment variable makes Kconfig warn about all unrecognized
+ symbols in the config input.
-----------------------------------------------------------------------
+``KCONFIG_WERROR``
+ If set, Kconfig treats warnings as errors.
-Environment variables for '{allyes/allmod/allno/rand}config'
+``CONFIG_``
+ If you set ``CONFIG_`` in the environment, Kconfig will prefix all symbols
+ with its value when saving the configuration, instead of using the
+ default, ``CONFIG_``.
-KCONFIG_ALLCONFIG
------------------
-(partially based on lkml email from/by Rob Landley, re: miniconfig)
+Environment variables for ``{allyes/allmod/allno/rand}config``:
---------------------------------------------------
+``KCONFIG_ALLCONFIG``
+ The allyesconfig/allmodconfig/allnoconfig/randconfig variants can also
+ use the environment variable KCONFIG_ALLCONFIG as a flag or a filename
+ that contains config symbols that the user requires to be set to a
+ specific value. If KCONFIG_ALLCONFIG is used without a filename where
+ KCONFIG_ALLCONFIG == "" or KCONFIG_ALLCONFIG == "1", ``make *config``
+ checks for a file named "all{yes/mod/no/def/random}.config"
+ (corresponding to the ``*config`` command that was used) for symbol values
+ that are to be forced. If this file is not found, it checks for a
+ file named "all.config" to contain forced values.
-The allyesconfig/allmodconfig/allnoconfig/randconfig variants can also
-use the environment variable KCONFIG_ALLCONFIG as a flag or a filename
-that contains config symbols that the user requires to be set to a
-specific value. If KCONFIG_ALLCONFIG is used without a filename where
-KCONFIG_ALLCONFIG == "" or KCONFIG_ALLCONFIG == "1", `make *config`
-checks for a file named "all{yes/mod/no/def/random}.config"
-(corresponding to the `*config` command that was used) for symbol values
-that are to be forced. If this file is not found, it checks for a
-file named "all.config" to contain forced values.
+ This enables you to create "miniature" config (miniconfig) or custom
+ config files containing just the config symbols that you are interested
+ in. Then the kernel config system generates the full .config file,
+ including symbols of your miniconfig file.
-This enables you to create "miniature" config (miniconfig) or custom
-config files containing just the config symbols that you are interested
-in. Then the kernel config system generates the full .config file,
-including symbols of your miniconfig file.
-
-This 'KCONFIG_ALLCONFIG' file is a config file which contains
-(usually a subset of all) preset config symbols. These variable
-settings are still subject to normal dependency checks.
-
-Examples::
+ This ``KCONFIG_ALLCONFIG`` file is a config file which contains
+ (usually a subset of all) preset config symbols. These variable
+ settings are still subject to normal dependency checks.
- KCONFIG_ALLCONFIG=custom-notebook.config make allnoconfig
+ Examples::
-or::
+ KCONFIG_ALLCONFIG=custom-notebook.config make allnoconfig
- KCONFIG_ALLCONFIG=mini.config make allnoconfig
+ or::
-or::
+ KCONFIG_ALLCONFIG=mini.config make allnoconfig
- make KCONFIG_ALLCONFIG=mini.config allnoconfig
+ or::
-These examples will disable most options (allnoconfig) but enable or
-disable the options that are explicitly listed in the specified
-mini-config files.
+ make KCONFIG_ALLCONFIG=mini.config allnoconfig
-----------------------------------------------------------------------
+ These examples will disable most options (allnoconfig) but enable or
+ disable the options that are explicitly listed in the specified
+ mini-config files.
-Environment variables for 'randconfig'
+Environment variables for ``randconfig``:
-KCONFIG_SEED
-------------
-You can set this to the integer value used to seed the RNG, if you want
-to somehow debug the behaviour of the kconfig parser/frontends.
-If not set, the current time will be used.
+``KCONFIG_SEED``
+ You can set this to the integer value used to seed the RNG, if you want
+ to somehow debug the behaviour of the kconfig parser/frontends.
+ If not set, the current time will be used.
-KCONFIG_PROBABILITY
--------------------
-This variable can be used to skew the probabilities. This variable can
-be unset or empty, or set to three different formats:
+``KCONFIG_PROBABILITY``
+ This variable can be used to skew the probabilities. This variable can
+ be unset or empty, or set to three different formats:
======================= ================== =====================
- KCONFIG_PROBABILITY y:n split y:m:n split
+ KCONFIG_PROBABILITY y:n split y:m:n split
======================= ================== =====================
- unset or empty 50 : 50 33 : 33 : 34
- N N : 100-N N/2 : N/2 : 100-N
+ unset or empty 50 : 50 33 : 33 : 34
+ N N : 100-N N/2 : N/2 : 100-N
[1] N:M N+M : 100-(N+M) N : M : 100-(N+M)
[2] N:M:L N : 100-N M : L : 100-(M+L)
======================= ================== =====================
@@ -149,112 +134,98 @@ that:
Examples::
- KCONFIG_PROBABILITY=10
- 10% of booleans will be set to 'y', 90% to 'n'
- 5% of tristates will be set to 'y', 5% to 'm', 90% to 'n'
- KCONFIG_PROBABILITY=15:25
- 40% of booleans will be set to 'y', 60% to 'n'
- 15% of tristates will be set to 'y', 25% to 'm', 60% to 'n'
- KCONFIG_PROBABILITY=10:15:15
- 10% of booleans will be set to 'y', 90% to 'n'
- 15% of tristates will be set to 'y', 15% to 'm', 70% to 'n'
+ KCONFIG_PROBABILITY=10
+ 10% of booleans will be set to 'y', 90% to 'n'
+ 5% of tristates will be set to 'y', 5% to 'm', 90% to 'n'
+ KCONFIG_PROBABILITY=15:25
+ 40% of booleans will be set to 'y', 60% to 'n'
+ 15% of tristates will be set to 'y', 25% to 'm', 60% to 'n'
+ KCONFIG_PROBABILITY=10:15:15
+ 10% of booleans will be set to 'y', 90% to 'n'
+ 15% of tristates will be set to 'y', 15% to 'm', 70% to 'n'
-----------------------------------------------------------------------
+Environment variables for ``syncconfig``:
-Environment variables for 'syncconfig'
+``KCONFIG_NOSILENTUPDATE``
+ If this variable has a non-blank value, it prevents silent kernel
+ config updates (requires explicit updates).
-KCONFIG_NOSILENTUPDATE
-----------------------
-If this variable has a non-blank value, it prevents silent kernel
-config updates (requires explicit updates).
+``KCONFIG_AUTOCONFIG``
+ This environment variable can be set to specify the path & name of the
+ "auto.conf" file. Its default value is "include/config/auto.conf".
-KCONFIG_AUTOCONFIG
-------------------
-This environment variable can be set to specify the path & name of the
-"auto.conf" file. Its default value is "include/config/auto.conf".
+``KCONFIG_AUTOHEADER``
+ This environment variable can be set to specify the path & name of the
+ "autoconf.h" (header) file.
+ Its default value is "include/generated/autoconf.h".
-KCONFIG_AUTOHEADER
-------------------
-This environment variable can be set to specify the path & name of the
-"autoconf.h" (header) file.
-Its default value is "include/generated/autoconf.h".
-
-
-----------------------------------------------------------------------
menuconfig
-----------
-
-SEARCHING for CONFIG symbols
+==========
Searching in menuconfig:
- The Search function searches for kernel configuration symbol
- names, so you have to know something close to what you are
- looking for.
+ The Search function searches for kernel configuration symbol
+ names, so you have to know something close to what you are
+ looking for.
- Example::
+ Example::
- /hotplug
- This lists all config symbols that contain "hotplug",
- e.g., HOTPLUG_CPU, MEMORY_HOTPLUG.
+ /hotplug
+ This lists all config symbols that contain "hotplug",
+ e.g., HOTPLUG_CPU, MEMORY_HOTPLUG.
- For search help, enter / followed by TAB-TAB (to highlight
- <Help>) and Enter. This will tell you that you can also use
- regular expressions (regexes) in the search string, so if you
- are not interested in MEMORY_HOTPLUG, you could try::
+ For search help, enter / followed by TAB-TAB (to highlight
+ <Help>) and Enter. This will tell you that you can also use
+ regular expressions (regexes) in the search string, so if you
+ are not interested in MEMORY_HOTPLUG, you could try::
- /^hotplug
+ /^hotplug
- When searching, symbols are sorted thus:
+ When searching, symbols are sorted thus:
- - first, exact matches, sorted alphabetically (an exact match
- is when the search matches the complete symbol name);
- - then, other matches, sorted alphabetically.
+ - first, exact matches, sorted alphabetically (an exact match
+ is when the search matches the complete symbol name);
+ - then, other matches, sorted alphabetically.
- For example: ^ATH.K matches:
+ For example, ^ATH.K matches:
- ATH5K ATH9K ATH5K_AHB ATH5K_DEBUG [...] ATH6KL ATH6KL_DEBUG
- [...] ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_COMMON [...]
+ ATH5K ATH9K ATH5K_AHB ATH5K_DEBUG [...] ATH6KL ATH6KL_DEBUG
+ [...] ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_COMMON [...]
- of which only ATH5K and ATH9K match exactly and so are sorted
- first (and in alphabetical order), then come all other symbols,
- sorted in alphabetical order.
+ of which only ATH5K and ATH9K match exactly and so are sorted
+ first (and in alphabetical order), then come all other symbols,
+ sorted in alphabetical order.
- In this menu, pressing the key in the (#) prefix will jump
- directly to that location. You will be returned to the current
- search results after exiting this new menu.
+ In this menu, pressing the key in the (#) prefix will jump
+ directly to that location. You will be returned to the current
+ search results after exiting this new menu.
-----------------------------------------------------------------------
+User interface options for 'menuconfig':
-User interface options for 'menuconfig'
+``MENUCONFIG_COLOR``
+ It is possible to select different color themes using the variable
+ MENUCONFIG_COLOR. To select a theme use::
-MENUCONFIG_COLOR
-----------------
-It is possible to select different color themes using the variable
-MENUCONFIG_COLOR. To select a theme use::
+ make MENUCONFIG_COLOR=<theme> menuconfig
- make MENUCONFIG_COLOR=<theme> menuconfig
+ Available themes are::
-Available themes are::
+ - mono => selects colors suitable for monochrome displays
+ - blackbg => selects a color scheme with black background
+ - classic => theme with blue background. The classic look
+ - bluetitle => a LCD friendly version of classic. (default)
- - mono => selects colors suitable for monochrome displays
- - blackbg => selects a color scheme with black background
- - classic => theme with blue background. The classic look
- - bluetitle => a LCD friendly version of classic. (default)
+``MENUCONFIG_MODE``
+ This mode shows all sub-menus in one large tree.
-MENUCONFIG_MODE
----------------
-This mode shows all sub-menus in one large tree.
+ Example::
-Example::
+ make MENUCONFIG_MODE=single_menu menuconfig
- make MENUCONFIG_MODE=single_menu menuconfig
-
-----------------------------------------------------------------------
nconfig
--------
+=======
nconfig is an alternate text-based configurator. It lists function
keys across the bottom of the terminal (window) that execute commands.
@@ -266,61 +237,59 @@ Use F1 for Global help or F3 for the Short help menu.
Searching in nconfig:
- You can search either in the menu entry "prompt" strings
- or in the configuration symbols.
+ You can search either in the menu entry "prompt" strings
+ or in the configuration symbols.
+
+ Use / to begin a search through the menu entries. This does
+ not support regular expressions. Use <Down> or <Up> for
+ Next hit and Previous hit, respectively. Use <Esc> to
+ terminate the search mode.
- Use / to begin a search through the menu entries. This does
- not support regular expressions. Use <Down> or <Up> for
- Next hit and Previous hit, respectively. Use <Esc> to
- terminate the search mode.
+ F8 (SymSearch) searches the configuration symbols for the
+ given string or regular expression (regex).
- F8 (SymSearch) searches the configuration symbols for the
- given string or regular expression (regex).
+ In the SymSearch, pressing the key in the (#) prefix will
+ jump directly to that location. You will be returned to the
+ current search results after exiting this new menu.
- In the SymSearch, pressing the key in the (#) prefix will
- jump directly to that location. You will be returned to the
- current search results after exiting this new menu.
+Environment variables:
-NCONFIG_MODE
-------------
-This mode shows all sub-menus in one large tree.
+``NCONFIG_MODE``
+ This mode shows all sub-menus in one large tree.
-Example::
+ Example::
- make NCONFIG_MODE=single_menu nconfig
+ make NCONFIG_MODE=single_menu nconfig
-----------------------------------------------------------------------
xconfig
--------
+=======
Searching in xconfig:
- The Search function searches for kernel configuration symbol
- names, so you have to know something close to what you are
- looking for.
-
- Example::
+ The Search function searches for kernel configuration symbol
+ names, so you have to know something close to what you are
+ looking for.
- Ctrl-F hotplug
+ Example::
- or::
+ Ctrl-F hotplug
- Menu: File, Search, hotplug
+ or::
- lists all config symbol entries that contain "hotplug" in
- the symbol name. In this Search dialog, you may change the
- config setting for any of the entries that are not grayed out.
- You can also enter a different search string without having
- to return to the main menu.
+ Menu: File, Search, hotplug
+ lists all config symbol entries that contain "hotplug" in
+ the symbol name. In this Search dialog, you may change the
+ config setting for any of the entries that are not grayed out.
+ You can also enter a different search string without having
+ to return to the main menu.
-----------------------------------------------------------------------
gconfig
--------
+=======
Searching in gconfig:
- There is no search command in gconfig. However, gconfig does
- have several different viewing choices, modes, and options.
+ There is no search command in gconfig. However, gconfig does
+ have several different viewing choices, modes, and options.
--
GitLab
From 24507871c3c6ae4f6b460b016da7ff434cd34149 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Tue, 9 Jan 2024 21:07:34 +0900
Subject: [PATCH 0553/2686] kbuild: create a list of all built DTB files
It is useful to have a list of all *.dtb and *.dtbo files generated
from the current build.
With this commit, 'make dtbs' creates arch/*/boot/dts/dtbs-list, which
lists the dtb(o) files created in the current build. It maintains the
order of the dtb-y additions in Makefiles although the order is not
important for DTBs. It is a (good) side effect through the reuse of the
modules.order rule.
Please note this list only includes the files directly added to dtb-y.
For example, consider this case:
foo-dtbs := foo_base.dtb foo_overlay.dtbo
dtb-y := foo.dtb
In this example, the list will include foo.dtb, but not foo_base.dtb
or foo_overlay.dtbo.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
.gitignore | 1 +
Makefile | 4 ++--
scripts/Makefile.build | 20 ++++++++++++--------
scripts/Makefile.lib | 6 ++++++
4 files changed, 21 insertions(+), 10 deletions(-)
diff --git a/.gitignore b/.gitignore
index 689a4fa3f5477..c59dc60ba62ef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,6 +52,7 @@
*.xz
*.zst
Module.symvers
+dtbs-list
modules.order
#
diff --git a/Makefile b/Makefile
index 41fa8a2565f54..f5755b81591b2 100644
--- a/Makefile
+++ b/Makefile
@@ -1393,7 +1393,7 @@ ifneq ($(dtstree),)
PHONY += dtbs dtbs_prepare dtbs_install dtbs_check
dtbs: dtbs_prepare
- $(Q)$(MAKE) $(build)=$(dtstree)
+ $(Q)$(MAKE) $(build)=$(dtstree) need-dtbslist=1
# include/config/kernel.release is actually needed when installing DTBs because
# INSTALL_DTBS_PATH contains $(KERNELRELEASE). However, we do not want to make
@@ -1932,7 +1932,7 @@ clean: $(clean-dirs)
-o -name '*.ko.*' \
-o -name '*.dtb' -o -name '*.dtbo' \
-o -name '*.dtb.S' -o -name '*.dtbo.S' \
- -o -name '*.dt.yaml' \
+ -o -name '*.dt.yaml' -o -name 'dtbs-list' \
-o -name '*.dwo' -o -name '*.lst' \
-o -name '*.su' -o -name '*.mod' \
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index dae447a1ad30c..4971f54c855e9 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -71,6 +71,7 @@ endif
# subdir-builtin and subdir-modorder may contain duplications. Use $(sort ...)
subdir-builtin := $(sort $(filter %/built-in.a, $(real-obj-y)))
subdir-modorder := $(sort $(filter %/modules.order, $(obj-m)))
+subdir-dtbslist := $(sort $(filter %/dtbs-list, $(dtb-y)))
targets-for-builtin := $(extra-y)
@@ -388,6 +389,7 @@ $(obj)/%.asn1.c $(obj)/%.asn1.h: $(src)/%.asn1 $(objtree)/scripts/asn1_compiler
# To build objects in subdirs, we need to descend into the directories
$(subdir-builtin): $(obj)/%/built-in.a: $(obj)/% ;
$(subdir-modorder): $(obj)/%/modules.order: $(obj)/% ;
+$(subdir-dtbslist): $(obj)/%/dtbs-list: $(obj)/% ;
#
# Rule to compile a set of .o files into one .a file (without symbol table)
@@ -404,19 +406,21 @@ $(obj)/built-in.a: $(real-obj-y) FORCE
$(call if_changed,ar_builtin)
#
-# Rule to create modules.order file
+# Rule to create modules.order and dtbs-list
#
-# Create commands to either record .ko file or cat modules.order from
-# a subdirectory
-# Add $(obj-m) as the prerequisite to avoid updating the timestamp of
-# modules.order unless contained modules are updated.
+# This is a list of build artifacts (module or dtb) from the current Makefile
+# and its sub-directories. The timestamp should be updated when any of the
+# member files.
-cmd_modules_order = { $(foreach m, $(real-prereqs), \
- $(if $(filter %/modules.order, $m), cat $m, echo $m);) :; } \
+cmd_gen_order = { $(foreach m, $(real-prereqs), \
+ $(if $(filter %/$(notdir $@), $m), cat $m, echo $m);) :; } \
> $@
$(obj)/modules.order: $(obj-m) FORCE
- $(call if_changed,modules_order)
+ $(call if_changed,gen_order)
+
+$(obj)/dtbs-list: $(dtb-y) FORCE
+ $(call if_changed,gen_order)
#
# Rule to compile a set of .o files into one .a file (with symbol table)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index cd5b181060f15..b35d39022a30a 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -45,6 +45,11 @@ else
obj-y := $(filter-out %/, $(obj-y))
endif
+ifdef need-dtbslist
+dtb-y += $(addsuffix /dtbs-list, $(subdir-ym))
+always-y += dtbs-list
+endif
+
# Expand $(foo-objs) $(foo-y) etc. by replacing their individuals
suffix-search = $(strip $(foreach s, $3, $($(1:%$(strip $2)=%$s))))
# List composite targets that are constructed by combining other targets
@@ -99,6 +104,7 @@ lib-y := $(addprefix $(obj)/,$(lib-y))
real-obj-y := $(addprefix $(obj)/,$(real-obj-y))
real-obj-m := $(addprefix $(obj)/,$(real-obj-m))
multi-obj-m := $(addprefix $(obj)/, $(multi-obj-m))
+dtb-y := $(addprefix $(obj)/, $(dtb-y))
multi-dtb-y := $(addprefix $(obj)/, $(multi-dtb-y))
real-dtb-y := $(addprefix $(obj)/, $(real-dtb-y))
subdir-ym := $(addprefix $(obj)/,$(subdir-ym))
--
GitLab
From 8f66864cee447835889ec0d91d52ff39bf2deabc Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Tue, 9 Jan 2024 21:07:35 +0900
Subject: [PATCH 0554/2686] kbuild: simplify dtbs_install by reading the list
of compiled DTBs
Retrieve the list of *.dtb(o) files from arch/*/boot/dts/dtbs-list
instead of traversing the directory tree again.
Please note that 'make dtbs_install' installs *.dtb(o) files directly
added to dtb-y because scripts/Makefile.dtbinst installs $(dtb-y)
without expanding the -dtbs suffix.
This commit preserves this behavior.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
Makefile | 2 +-
scripts/Kbuild.include | 6 ------
scripts/Makefile.dtbinst | 32 ++++++++++++++++++--------------
3 files changed, 19 insertions(+), 21 deletions(-)
diff --git a/Makefile b/Makefile
index f5755b81591b2..bc54a6cc8dc5f 100644
--- a/Makefile
+++ b/Makefile
@@ -1411,7 +1411,7 @@ endif
dtbs_check: dtbs
dtbs_install:
- $(Q)$(MAKE) $(dtbinst)=$(dtstree) dst=$(INSTALL_DTBS_PATH)
+ $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.dtbinst obj=$(dtstree)
ifdef CONFIG_OF_EARLY_FLATTREE
all: dtbs
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 7778cc97a4e04..2f331879816b8 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -113,12 +113,6 @@ endef
# $(Q)$(MAKE) $(build)=dir
build := -f $(srctree)/scripts/Makefile.build obj
-###
-# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.dtbinst obj=
-# Usage:
-# $(Q)$(MAKE) $(dtbinst)=dir
-dtbinst := -f $(srctree)/scripts/Makefile.dtbinst obj
-
###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=
# Usage:
diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
index 4405d5b67578d..67956f6496a5c 100644
--- a/scripts/Makefile.dtbinst
+++ b/scripts/Makefile.dtbinst
@@ -8,32 +8,36 @@
# $INSTALL_PATH/dtbs/$KERNELRELEASE
# ==========================================================================
-src := $(obj)
-
PHONY := __dtbs_install
__dtbs_install:
include include/config/auto.conf
include $(srctree)/scripts/Kbuild.include
-include $(kbuild-file)
-
-dtbs := $(addprefix $(dst)/, $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS),$(dtb-)))
-subdirs := $(addprefix $(obj)/, $(subdir-y) $(subdir-m))
-__dtbs_install: $(dtbs) $(subdirs)
- @:
+dst := $(INSTALL_DTBS_PATH)
quiet_cmd_dtb_install = INSTALL $@
cmd_dtb_install = install -D $< $@
-$(dst)/%.dtb: $(obj)/%.dtb
+$(dst)/%: $(obj)/%
$(call cmd,dtb_install)
-$(dst)/%.dtbo: $(obj)/%.dtbo
- $(call cmd,dtb_install)
+dtbs := $(patsubst $(obj)/%,%,$(call read-file, $(obj)/dtbs-list))
+
+ifdef CONFIG_ARCH_WANT_FLAT_DTB_INSTALL
-PHONY += $(subdirs)
-$(subdirs):
- $(Q)$(MAKE) $(dtbinst)=$@ dst=$(if $(CONFIG_ARCH_WANT_FLAT_DTB_INSTALL),$(dst),$(patsubst $(obj)/%,$(dst)/%,$@))
+define gen_install_rules
+$(dst)/%: $(obj)/$(1)%
+ $$(call cmd,dtb_install)
+endef
+
+$(foreach d, $(sort $(dir $(dtbs))), $(eval $(call gen_install_rules,$(d))))
+
+dtbs := $(notdir $(dtbs))
+
+endif # CONFIG_ARCH_WANT_FLAT_DTB_INSTALL
+
+__dtbs_install: $(addprefix $(dst)/, $(dtbs))
+ @:
.PHONY: $(PHONY)
--
GitLab
From cc3df32c9f3a99f715c551f76b040fcf2e5050a5 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 13 Jan 2024 19:43:36 +0900
Subject: [PATCH 0555/2686] kbuild: deb-pkg: show verbose log for direct
package builds
When the Debian package build is initiated by Kbuild ('make deb-pkg'
or 'make bindeb-pkg'), the log messages are displayed in the short
form, which is the Kbuild default.
Otherwise, let's show verbose messages (unless the 'terse' tag is set
in DEB_BUILD_OPTION), as suggested by Debian Policy: "The package build
should be as verbose as reasonably possible, except where the terse tag
is included in DEB_BUILD_OPTIONS." [1]
This is what the Debian kernel also does. [2]
[1]: https://www.debian.org/doc/debian-policy/ch-source.html#main-building-script-debian-rules
[2]: https://salsa.debian.org/kernel-team/linux/-/blob/debian/6.7-1_exp1/debian/rules.real#L36
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
---
scripts/package/debian/rules | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/scripts/package/debian/rules b/scripts/package/debian/rules
index 0983077800622..697fbfa7595f7 100755
--- a/scripts/package/debian/rules
+++ b/scripts/package/debian/rules
@@ -11,6 +11,14 @@ ifneq (,$(filter-out parallel=1,$(filter parallel=%,$(DEB_BUILD_OPTIONS))))
MAKEFLAGS += -j$(NUMJOBS)
endif
+# When KBUILD_VERBOSE is undefined (presumably you are directly working with
+# the debianized tree), show verbose logs unless DEB_BUILD_OPTION=terse is set.
+ifeq ($(origin KBUILD_VERBOSE),undefined)
+ ifeq (,$(filter terse,$(DEB_BUILD_OPTIONS)))
+ export KBUILD_VERBOSE := 1
+ endif
+endif
+
revision = $(lastword $(subst -, ,$(shell dpkg-parsechangelog -S Version)))
CROSS_COMPILE ?= $(filter-out $(DEB_BUILD_GNU_TYPE)-, $(DEB_HOST_GNU_TYPE)-)
make-opts = ARCH=$(ARCH) KERNELRELEASE=$(KERNELRELEASE) KBUILD_BUILD_VERSION=$(revision) $(addprefix CROSS_COMPILE=,$(CROSS_COMPILE))
--
GitLab
From caf400c8b68af29568e39ef99b12d25966c3e76b Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 13 Jan 2024 19:43:37 +0900
Subject: [PATCH 0556/2686] kbuild: deb-pkg: make debian/rules quiet for 'make
deb-pkg'
Add $(Q) to the commands in debian/rules to make them quiet when the
package built is initiated by 'make deb-pkg' or when the 'terse' tag
is set to DEB_BUILD_OPTIONS.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
---
scripts/package/debian/rules | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/scripts/package/debian/rules b/scripts/package/debian/rules
index 697fbfa7595f7..a183e95886e61 100755
--- a/scripts/package/debian/rules
+++ b/scripts/package/debian/rules
@@ -16,6 +16,8 @@ endif
ifeq ($(origin KBUILD_VERBOSE),undefined)
ifeq (,$(filter terse,$(DEB_BUILD_OPTIONS)))
export KBUILD_VERBOSE := 1
+ else
+ Q := @
endif
endif
@@ -27,20 +29,20 @@ make-opts = ARCH=$(ARCH) KERNELRELEASE=$(KERNELRELEASE) KBUILD_BUILD_VERSION=$(r
binary: binary-arch binary-indep
binary-indep: build-indep
binary-arch: build-arch
- $(MAKE) $(make-opts) \
+ $(Q)$(MAKE) $(make-opts) \
run-command KBUILD_RUN_COMMAND='+$$(srctree)/scripts/package/builddeb'
.PHONY: build build-indep build-arch
build: build-arch build-indep
build-indep:
build-arch:
- $(MAKE) $(make-opts) olddefconfig
- $(MAKE) $(make-opts) $(if $(filter um,$(ARCH)),,headers) all
+ $(Q)$(MAKE) $(make-opts) olddefconfig
+ $(Q)$(MAKE) $(make-opts) $(if $(filter um,$(ARCH)),,headers) all
.PHONY: clean
clean:
- rm -rf debian/files debian/linux-* debian/deb-env.vars*
- $(MAKE) ARCH=$(ARCH) clean
+ $(Q)rm -rf debian/files debian/linux-* debian/deb-env.vars*
+ $(Q)$(MAKE) ARCH=$(ARCH) clean
# If DEB_HOST_ARCH is empty, it is likely that debian/rules was executed
# directly. Run 'dpkg-architecture --print-set --print-format=make' to
@@ -49,6 +51,6 @@ ifndef DEB_HOST_ARCH
include debian/deb-env.vars
debian/deb-env.vars:
- dpkg-architecture -a$$(cat debian/arch) --print-set --print-format=make > $@.tmp
- mv $@.tmp $@
+ $(Q)dpkg-architecture -a$$(cat debian/arch) --print-set --print-format=make > $@.tmp
+ $(Q)mv $@.tmp $@
endif
--
GitLab
From 1d7bae8f8c85ddf153f302cd8d2f33d34762b0fd Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 13 Jan 2024 19:43:38 +0900
Subject: [PATCH 0557/2686] kbuild: deb-pkg: build binary-arch in parallel
'make deb-pkg' builds build-arch in parallel, but binary-arch serially.
Given that all binary packages are independent of one another, they can
be built in parallel.
I am uncertain whether debian/files is robust against a race condition.
Just in case, make dh_gencontrol (dpkg-gencontrol) output to separate
debian/*.files, which are then concatenated into debian/files.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
---
scripts/package/builddeb | 42 +++++++++++-------------------------
scripts/package/debian/rules | 39 +++++++++++++++++++++++++++++----
2 files changed, 47 insertions(+), 34 deletions(-)
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index bf96a3c246081..d31b16afe0db8 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -24,18 +24,6 @@ if_enabled_echo() {
fi
}
-create_package() {
- export DH_OPTIONS="-p${1}"
-
- dh_installdocs
- dh_installchangelogs
- dh_compress
- dh_fixperms
- dh_gencontrol
- dh_md5sums
- dh_builddeb -- ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS}
-}
-
install_linux_image () {
pname=$1
pdir=debian/$1
@@ -161,21 +149,15 @@ install_libc_headers () {
mv "$pdir/usr/include/asm" "$pdir/usr/include/${DEB_HOST_MULTIARCH}"
}
-rm -f debian/files
-
-packages_enabled=$(dh_listpackages)
-
-for package in ${packages_enabled}
-do
- case ${package} in
- *-dbg)
- install_linux_image_dbg "${package}";;
- linux-image-*|user-mode-linux-*)
- install_linux_image "${package}";;
- linux-libc-dev)
- install_libc_headers "${package}";;
- linux-headers-*)
- install_kernel_headers "${package}";;
- esac
- create_package "${package}"
-done
+package=$1
+
+case "${package}" in
+*-dbg)
+ install_linux_image_dbg "${package}";;
+linux-image-*|user-mode-linux-*)
+ install_linux_image "${package}";;
+linux-libc-dev)
+ install_libc_headers "${package}";;
+linux-headers-*)
+ install_kernel_headers "${package}";;
+esac
diff --git a/scripts/package/debian/rules b/scripts/package/debian/rules
index a183e95886e61..57f1cf7c6b32f 100755
--- a/scripts/package/debian/rules
+++ b/scripts/package/debian/rules
@@ -25,12 +25,43 @@ revision = $(lastword $(subst -, ,$(shell dpkg-parsechangelog -S Version)))
CROSS_COMPILE ?= $(filter-out $(DEB_BUILD_GNU_TYPE)-, $(DEB_HOST_GNU_TYPE)-)
make-opts = ARCH=$(ARCH) KERNELRELEASE=$(KERNELRELEASE) KBUILD_BUILD_VERSION=$(revision) $(addprefix CROSS_COMPILE=,$(CROSS_COMPILE))
+binary-targets := $(addprefix binary-, image image-dbg headers libc-dev)
+
+all-packages = $(shell dh_listpackages)
+image-package = $(filter linux-image-% user-%, $(filter-out %-dbg, $(all-packages)))
+image-dbg-package = $(filter %-dbg, $(all-packages))
+libc-dev-package = $(filter linux-libc-dev, $(all-packages))
+headers-package = $(filter linux-headers-%, $(all-packages))
+
+mk-files = $(patsubst binary-%,debian/%.files,$1)
+package = $($(@:binary-%=%-package))
+
+# DH_OPTION is an environment variable common for all debhelper commands.
+# We could 'export' it, but here it is passed from the command line to clarify
+# which package is being processed in the build log.
+DH_OPTIONS = -p$(package)
+
+define binary
+ $(Q)+$(MAKE) $(make-opts) run-command KBUILD_RUN_COMMAND='+$$(srctree)/scripts/package/builddeb $(package)'
+ $(Q)dh_installdocs $(DH_OPTIONS)
+ $(Q)dh_installchangelogs $(DH_OPTIONS)
+ $(Q)dh_compress $(DH_OPTIONS)
+ $(Q)dh_fixperms $(DH_OPTIONS)
+ $(Q)dh_gencontrol $(DH_OPTIONS) -- -f$(call mk-files,$@)
+ $(Q)dh_md5sums $(DH_OPTIONS)
+ $(Q)dh_builddeb $(DH_OPTIONS) -- $(addprefix -Z,$(KDEB_COMPRESS))
+endef
+
+.PHONY: $(binary-targets)
+$(binary-targets): build-arch
+ $(Q)truncate -s0 $(call mk-files,$@)
+ $(if $(package),$(binary))
+
.PHONY: binary binary-indep binary-arch
binary: binary-arch binary-indep
binary-indep: build-indep
-binary-arch: build-arch
- $(Q)$(MAKE) $(make-opts) \
- run-command KBUILD_RUN_COMMAND='+$$(srctree)/scripts/package/builddeb'
+binary-arch: $(binary-targets)
+ $(Q)cat $(call mk-files,$^) > debian/files
.PHONY: build build-indep build-arch
build: build-arch build-indep
@@ -41,7 +72,7 @@ build-arch:
.PHONY: clean
clean:
- $(Q)rm -rf debian/files debian/linux-* debian/deb-env.vars*
+ $(Q)rm -rf debian/files debian/linux-* debian/deb-env.vars* debian/*.files
$(Q)$(MAKE) ARCH=$(ARCH) clean
# If DEB_HOST_ARCH is empty, it is likely that debian/rules was executed
--
GitLab
From f96beb84eff698aefde7cea2bbf1de4f688c4750 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 13 Jan 2024 19:43:39 +0900
Subject: [PATCH 0558/2686] kbuild: deb-pkg: call more misc debhelper commands
Use dh_prep instead of removing old build directories manually.
Use dh_clean instead of removing build directories and debian/files
manually.
Call dh_testdir and dh_testroot for preliminary checks.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
---
scripts/package/builddeb | 8 --------
scripts/package/debian/rules | 6 +++++-
2 files changed, 5 insertions(+), 9 deletions(-)
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index d31b16afe0db8..e797ad360f7a5 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -28,8 +28,6 @@ install_linux_image () {
pname=$1
pdir=debian/$1
- rm -rf ${pdir}
-
# Only some architectures with OF support have this target
if is_enabled CONFIG_OF_EARLY_FLATTREE && [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then
${MAKE} -f ${srctree}/Makefile INSTALL_DTBS_PATH="${pdir}/usr/lib/linux-image-${KERNELRELEASE}" dtbs_install
@@ -97,8 +95,6 @@ install_linux_image () {
install_linux_image_dbg () {
pdir=debian/$1
- rm -rf ${pdir}
-
# Parse modules.order directly because 'make modules_install' may sign,
# compress modules, and then run unneeded depmod.
while read -r mod; do
@@ -128,8 +124,6 @@ install_kernel_headers () {
pdir=debian/$1
version=${1#linux-headers-}
- rm -rf $pdir
-
"${srctree}/scripts/package/install-extmod-build" "${pdir}/usr/src/linux-headers-${version}"
mkdir -p $pdir/lib/modules/$version/
@@ -139,8 +133,6 @@ install_kernel_headers () {
install_libc_headers () {
pdir=debian/$1
- rm -rf $pdir
-
$MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH=$pdir/usr
# move asm headers to /usr/include/<libc-machine>/asm to match the structure
diff --git a/scripts/package/debian/rules b/scripts/package/debian/rules
index 57f1cf7c6b32f..ca07243bd5cdf 100755
--- a/scripts/package/debian/rules
+++ b/scripts/package/debian/rules
@@ -42,6 +42,9 @@ package = $($(@:binary-%=%-package))
DH_OPTIONS = -p$(package)
define binary
+ $(Q)dh_testdir $(DH_OPTIONS)
+ $(Q)dh_testroot $(DH_OPTIONS)
+ $(Q)dh_prep $(DH_OPTIONS)
$(Q)+$(MAKE) $(make-opts) run-command KBUILD_RUN_COMMAND='+$$(srctree)/scripts/package/builddeb $(package)'
$(Q)dh_installdocs $(DH_OPTIONS)
$(Q)dh_installchangelogs $(DH_OPTIONS)
@@ -72,7 +75,8 @@ build-arch:
.PHONY: clean
clean:
- $(Q)rm -rf debian/files debian/linux-* debian/deb-env.vars* debian/*.files
+ $(Q)dh_clean
+ $(Q)rm -rf debian/deb-env.vars* debian/*.files
$(Q)$(MAKE) ARCH=$(ARCH) clean
# If DEB_HOST_ARCH is empty, it is likely that debian/rules was executed
--
GitLab
From 615b3a3d2d41bf897168210a092811872561259f Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Fri, 2 Feb 2024 22:35:17 +0900
Subject: [PATCH 0559/2686] kbuild: rpm-pkg: do not include depmod-generated
files
Installing the kernel package is fine, but when uninstalling it, the
following warnings are shown:
warning: file modules.symbols.bin: remove failed: No such file or directory
warning: file modules.symbols: remove failed: No such file or directory
warning: file modules.softdep: remove failed: No such file or directory
warning: file modules.devname: remove failed: No such file or directory
warning: file modules.dep.bin: remove failed: No such file or directory
warning: file modules.dep: remove failed: No such file or directory
warning: file modules.builtin.bin: remove failed: No such file or directory
warning: file modules.builtin.alias.bin: remove failed: No such file or directory
warning: file modules.alias.bin: remove failed: No such file or directory
warning: file modules.alias: remove failed: No such file or directory
The %preun scriptlet runs 'kernel-install remove', which in turn invokes
/usr/lib/kernel/install.d/50-depmod.install to remove those files before
the actual package removal.
RPM-based distributions do not ship files generated by depmod. Mark them
as %ghost in order to exclude them from the package, but still claim the
ownership on them.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
---
scripts/package/kernel.spec | 22 +++++++++++++++++++---
1 file changed, 19 insertions(+), 3 deletions(-)
diff --git a/scripts/package/kernel.spec b/scripts/package/kernel.spec
index f58726671fb37..aaedb6d1b26fa 100644
--- a/scripts/package/kernel.spec
+++ b/scripts/package/kernel.spec
@@ -66,6 +66,20 @@ ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEA
%{make} %{makeflags} run-command KBUILD_RUN_COMMAND='${srctree}/scripts/package/install-extmod-build %{buildroot}/usr/src/kernels/%{KERNELRELEASE}'
%endif
+{
+ for x in System.map config kernel modules.builtin \
+ modules.builtin.modinfo modules.order vmlinuz; do
+ echo "/lib/modules/%{KERNELRELEASE}/${x}"
+ done
+
+ for x in alias alias.bin builtin.alias.bin builtin.bin dep dep.bin \
+ devname softdep symbols symbols.bin; do
+ echo "%ghost /lib/modules/%{KERNELRELEASE}/modules.${x}"
+ done
+
+ echo "%exclude /lib/modules/%{KERNELRELEASE}/build"
+} > %{buildroot}/kernel.list
+
%clean
rm -rf %{buildroot}
@@ -78,6 +92,9 @@ for file in vmlinuz System.map config; do
cp "/lib/modules/%{KERNELRELEASE}/${file}" "/boot/${file}-%{KERNELRELEASE}"
fi
done
+if [ ! -e "/lib/modules/%{KERNELRELEASE}/modules.dep" ]; then
+ /usr/sbin/depmod %{KERNELRELEASE}
+fi
%preun
if [ -x /sbin/new-kernel-pkg ]; then
@@ -91,10 +108,9 @@ if [ -x /sbin/update-bootloader ]; then
/sbin/update-bootloader --remove %{KERNELRELEASE}
fi
-%files
+%files -f %{buildroot}/kernel.list
%defattr (-, root, root)
-/lib/modules/%{KERNELRELEASE}
-%exclude /lib/modules/%{KERNELRELEASE}/build
+%exclude /kernel.list
%files headers
%defattr (-, root, root)
--
GitLab
From bca17edb24cb0e9ebc9269a77fc0a15f4b526f65 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Fri, 2 Feb 2024 22:35:18 +0900
Subject: [PATCH 0560/2686] kbuild: rpm-pkg: mark installed files in /boot as
%ghost
Mark the files installed to /boot as %ghost to make sure they will be
removed when the package is uninstalled.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
---
scripts/package/kernel.spec | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/scripts/package/kernel.spec b/scripts/package/kernel.spec
index aaedb6d1b26fa..ecedcfc11e737 100644
--- a/scripts/package/kernel.spec
+++ b/scripts/package/kernel.spec
@@ -77,6 +77,10 @@ ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEA
echo "%ghost /lib/modules/%{KERNELRELEASE}/modules.${x}"
done
+ for x in System.map config vmlinuz; do
+ echo "%ghost /boot/${x}-%{KERNELRELEASE}"
+ done
+
echo "%exclude /lib/modules/%{KERNELRELEASE}/build"
} > %{buildroot}/kernel.list
--
GitLab
From 435e86998edf2a2308e7917c6368427f89664c61 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Fri, 2 Feb 2024 22:35:19 +0900
Subject: [PATCH 0561/2686] Revert "kbuild/mkspec: support
'update-bootloader'-based systems"
This reverts commit 27c3bffd230abd0a598586aed0fe0ba7b61e0e2e.
If this is still needed, we can bring it back.
However, I'd like to understand why 'update-bootloader --remove' is
needed for uninstallation, while 'update-bootloader --add' was not
called during the installation.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/package/kernel.spec | 5 -----
1 file changed, 5 deletions(-)
diff --git a/scripts/package/kernel.spec b/scripts/package/kernel.spec
index ecedcfc11e737..c1b745967f649 100644
--- a/scripts/package/kernel.spec
+++ b/scripts/package/kernel.spec
@@ -107,11 +107,6 @@ elif [ -x /usr/bin/kernel-install ]; then
kernel-install remove %{KERNELRELEASE}
fi
-%postun
-if [ -x /sbin/update-bootloader ]; then
-/sbin/update-bootloader --remove %{KERNELRELEASE}
-fi
-
%files -f %{buildroot}/kernel.list
%defattr (-, root, root)
%exclude /kernel.list
--
GitLab
From fee9b6d14acde447805d14c0a0a926ced18aa8fa Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Fri, 2 Feb 2024 22:35:20 +0900
Subject: [PATCH 0562/2686] Revert "kbuild/mkspec: clean boot loader
configuration on rpm removal"
This reverts commit 6ef41e22a320d95a246d45b673aa7247cc1bbf7b.
If this is still needed, we can bring it back.
However, I'd like to understand why 'new-kernel-pkg --remove' is
needed for uninstallation, while 'new-kernel-pkg --install' was not
called during the installation.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/package/kernel.spec | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/scripts/package/kernel.spec b/scripts/package/kernel.spec
index c1b745967f649..c256b73cca3ec 100644
--- a/scripts/package/kernel.spec
+++ b/scripts/package/kernel.spec
@@ -101,9 +101,7 @@ if [ ! -e "/lib/modules/%{KERNELRELEASE}/modules.dep" ]; then
fi
%preun
-if [ -x /sbin/new-kernel-pkg ]; then
-new-kernel-pkg --remove %{KERNELRELEASE} --rminitrd --initrdfile=/boot/initramfs-%{KERNELRELEASE}.img
-elif [ -x /usr/bin/kernel-install ]; then
+if [ -x /usr/bin/kernel-install ]; then
kernel-install remove %{KERNELRELEASE}
fi
--
GitLab
From af8bbce92044dc58e4cc039ab94ee5d470a621f5 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:57:59 +0900
Subject: [PATCH 0563/2686] kconfig: fix infinite loop when expanding a macro
at the end of file
A macro placed at the end of a file with no newline causes an infinite
loop.
[Test Kconfig]
$(info,hello)
\ No newline at end of file
I realized that flex-provided input() returns 0 instead of EOF when it
reaches the end of a file.
Fixes: 104daea149c4 ("kconfig: reference environment variables directly and remove 'option env='")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/lexer.l | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index f93b535a080c0..5f1bc33203073 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -303,8 +303,11 @@ static char *expand_token(const char *in, size_t n)
new_string();
append_string(in, n);
- /* get the whole line because we do not know the end of token. */
- while ((c = input()) != EOF) {
+ /*
+ * get the whole line because we do not know the end of token.
+ * input() returns 0 (not EOF!) when it reachs the end of file.
+ */
+ while ((c = input()) != 0) {
if (c == '\n') {
unput(c);
break;
--
GitLab
From 313c6cd3c2d538073b71f15a46c2cbcde5712f46 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:00 +0900
Subject: [PATCH 0564/2686] kconfig: fix off-by-one in zconf_error()
yyerror() reports the line number of the next line.
This +1 adjustment was introduced more than 20 years ago [1]. At that
time, the line number was decremented then incremented back and forth.
The line number management was refactored in a more maintainable way.
Such compensation is no longer needed.
[1]: https://git.kernel.org/pub/scm/linux/kernel/git/history/history.git/commit/?id=d4f8a4530eb07a1385fd17b0e62a7dce97486f49
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/parser.y | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index 2af7ce4e15315..5ab2e3f7ca331 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -557,7 +557,7 @@ static void zconf_error(const char *err, ...)
static void yyerror(const char *err)
{
- fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
+ fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno(), err);
}
static void print_quoted_string(FILE *out, const char *str)
--
GitLab
From 17787468d4e73dc478738a4e6d2809d907c50c25 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:01 +0900
Subject: [PATCH 0565/2686] kconfig: remove orphan lookup_file() declaration
There is no definition, no caller for lookup_file().
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/expr.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 4a9a23b1b7e1f..e0d8665691550 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -279,7 +279,6 @@ struct jump_key {
extern struct file *file_list;
extern struct file *current_file;
-struct file *lookup_file(const char *name);
extern struct symbol symbol_yes, symbol_no, symbol_mod;
extern struct symbol *modules_sym;
--
GitLab
From aa8427fb130f323e5e27dfe25dee9b514462dde7 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:02 +0900
Subject: [PATCH 0566/2686] kconfig: remove compat_getline()
Commit 1a7a8c6fd8ca ("kconfig: allow long lines in config file") added
a self-implemented getline() for better portability.
However, getline() is standardized [1] and already used in other programs
such as scripts/kallsyms.c.
Use getline() provided by libc.
[1]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getdelim.html
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/confdata.c | 53 +-------------------------------------
1 file changed, 1 insertion(+), 52 deletions(-)
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index f53dcdd445976..7f0aa39b68c1e 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -293,63 +293,12 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
return 0;
}
-#define LINE_GROWTH 16
-static int add_byte(int c, char **lineptr, size_t slen, size_t *n)
-{
- size_t new_size = slen + 1;
-
- if (new_size > *n) {
- new_size += LINE_GROWTH - 1;
- new_size *= 2;
- *lineptr = xrealloc(*lineptr, new_size);
- *n = new_size;
- }
-
- (*lineptr)[slen] = c;
-
- return 0;
-}
-
-static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream)
-{
- char *line = *lineptr;
- size_t slen = 0;
-
- for (;;) {
- int c = getc(stream);
-
- switch (c) {
- case '\n':
- if (add_byte(c, &line, slen, n) < 0)
- goto e_out;
- slen++;
- /* fall through */
- case EOF:
- if (add_byte('\0', &line, slen, n) < 0)
- goto e_out;
- *lineptr = line;
- if (slen == 0)
- return -1;
- return slen;
- default:
- if (add_byte(c, &line, slen, n) < 0)
- goto e_out;
- slen++;
- }
- }
-
-e_out:
- line[slen-1] = '\0';
- *lineptr = line;
- return -1;
-}
-
/* like getline(), but the newline character is stripped away */
static ssize_t getline_stripped(char **lineptr, size_t *n, FILE *stream)
{
ssize_t len;
- len = compat_getline(lineptr, n, stream);
+ len = getline(lineptr, n, stream);
if (len > 0 && (*lineptr)[len - 1] == '\n') {
len--;
--
GitLab
From 73a6afc5a541f74ca84c72aad017866dfcf43680 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:03 +0900
Subject: [PATCH 0567/2686] kconfig: remove unneeded sym_find() call in
conf_parse()
sym_find("n") is equivalent to &symbol_no.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/parser.y | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index 5ab2e3f7ca331..625224973c511 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -494,7 +494,7 @@ void conf_parse(const char *name)
if (yynerrs)
exit(1);
if (!modules_sym)
- modules_sym = sym_find( "n" );
+ modules_sym = &symbol_no;
if (!menu_has_prompt(&rootmenu)) {
current_entry = &rootmenu;
--
GitLab
From 526396b723a38dbeed35cb9e80814084b9f56329 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:04 +0900
Subject: [PATCH 0568/2686] kconfig: write Kconfig files to autoconf.cmd in
order
Currently, include/config/autoconf.cmd saves included Kconfig files in
reverse order. While this is not a big deal, it is inconsistent with
other *.cmd files generated by fixdep.
Output the included Kconfig files in the included order.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/confdata.c | 7 +++----
scripts/kconfig/lkc.h | 1 +
scripts/kconfig/parser.y | 4 ++++
scripts/kconfig/util.c | 3 +++
4 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 7f0aa39b68c1e..f6a96fdddb7ed 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -20,6 +20,8 @@
#include "lkc.h"
+struct gstr autoconf_cmd;
+
/* return true if 'path' exists, false otherwise */
static bool is_present(const char *path)
{
@@ -972,7 +974,6 @@ int conf_write(const char *name)
static int conf_write_autoconf_cmd(const char *autoconf_name)
{
char name[PATH_MAX], tmp[PATH_MAX];
- struct file *file;
FILE *out;
int ret;
@@ -993,9 +994,7 @@ static int conf_write_autoconf_cmd(const char *autoconf_name)
return -1;
}
- fprintf(out, "deps_config := \\\n");
- for (file = file_list; file; file = file->next)
- fprintf(out, "\t%s \\\n", file->name);
+ fputs(str_get(&autoconf_cmd), out);
fprintf(out, "\n%s: $(deps_config)\n\n", autoconf_name);
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 5cdc8f5e6446a..8616ad83be6da 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -40,6 +40,7 @@ int zconf_lineno(void);
const char *zconf_curname(void);
/* confdata.c */
+extern struct gstr autoconf_cmd;
const char *conf_get_configname(void);
void set_all_choice_values(struct symbol *csym);
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index 625224973c511..611038c502fc9 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -480,6 +480,10 @@ void conf_parse(const char *name)
struct symbol *sym;
int i;
+ autoconf_cmd = str_new();
+
+ str_printf(&autoconf_cmd, "deps_config := \\\n");
+
zconf_initscan(name);
_menu_init();
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index 92e5b2b9761d7..958543bb0a37a 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -25,6 +25,9 @@ struct file *file_lookup(const char *name)
file->name = xstrdup(name);
file->next = file_list;
file_list = file;
+
+ str_printf(&autoconf_cmd, "\t%s \\\n", name);
+
return file;
}
--
GitLab
From 56e634b06fd554b819ac9c45fc77a41500861ced Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:05 +0900
Subject: [PATCH 0569/2686] kconfig: call env_write_dep() right after yyparse()
This allows preprocess.c to free up all of its resources when the parse
stage is finished. It also ensures conf_write_autoconf_cmd() produces
consistent results even if called multiple times for any reason.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/confdata.c | 8 ++------
scripts/kconfig/lkc_proto.h | 2 +-
scripts/kconfig/parser.y | 9 ++++++++-
scripts/kconfig/preprocess.c | 11 +++++++----
4 files changed, 18 insertions(+), 12 deletions(-)
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index f6a96fdddb7ed..dafc572e7b7e3 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -994,13 +994,9 @@ static int conf_write_autoconf_cmd(const char *autoconf_name)
return -1;
}
- fputs(str_get(&autoconf_cmd), out);
-
- fprintf(out, "\n%s: $(deps_config)\n\n", autoconf_name);
+ fprintf(out, "autoconfig := %s\n", autoconf_name);
- env_write_dep(out, autoconf_name);
-
- fprintf(out, "\n$(deps_config): ;\n");
+ fputs(str_get(&autoconf_cmd), out);
fflush(out);
ret = ferror(out); /* error check for all fprintf() calls */
diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
index a4ae5e9eadadb..85491d74a0942 100644
--- a/scripts/kconfig/lkc_proto.h
+++ b/scripts/kconfig/lkc_proto.h
@@ -46,7 +46,7 @@ enum variable_flavor {
VAR_RECURSIVE,
VAR_APPEND,
};
-void env_write_dep(FILE *f, const char *auto_conf_name);
+void env_write_dep(struct gstr *gs);
void variable_add(const char *name, const char *value,
enum variable_flavor flavor);
void variable_all_del(void);
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index 611038c502fc9..cfb82ba09037d 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -482,7 +482,7 @@ void conf_parse(const char *name)
autoconf_cmd = str_new();
- str_printf(&autoconf_cmd, "deps_config := \\\n");
+ str_printf(&autoconf_cmd, "\ndeps_config := \\\n");
zconf_initscan(name);
@@ -492,6 +492,13 @@ void conf_parse(const char *name)
yydebug = 1;
yyparse();
+ str_printf(&autoconf_cmd,
+ "\n"
+ "$(autoconfig): $(deps_config)\n"
+ "$(deps_config): ;\n");
+
+ env_write_dep(&autoconf_cmd);
+
/* Variables are expanded in the parse phase. We can free them here. */
variable_all_del();
diff --git a/scripts/kconfig/preprocess.c b/scripts/kconfig/preprocess.c
index d1f5bcff4b62d..b9853d4a891c8 100644
--- a/scripts/kconfig/preprocess.c
+++ b/scripts/kconfig/preprocess.c
@@ -87,14 +87,17 @@ static char *env_expand(const char *name)
return xstrdup(value);
}
-void env_write_dep(FILE *f, const char *autoconfig_name)
+void env_write_dep(struct gstr *s)
{
struct env *e, *tmp;
list_for_each_entry_safe(e, tmp, &env_list, node) {
- fprintf(f, "ifneq \"$(%s)\" \"%s\"\n", e->name, e->value);
- fprintf(f, "%s: FORCE\n", autoconfig_name);
- fprintf(f, "endif\n");
+ str_printf(s,
+ "\n"
+ "ifneq \"$(%s)\" \"%s\"\n"
+ "$(autoconfig): FORCE\n"
+ "endif\n",
+ e->name, e->value);
env_del(e);
}
}
--
GitLab
From d3d16228a520ce49884d3bb90b67c12726c63020 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:06 +0900
Subject: [PATCH 0570/2686] kconfig: split preprocessor prototypes into
preprocess.h
These are needed only for the parse stage. Move the prototypes into
a separate header to make sure they are not used after that.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/lexer.l | 2 ++
scripts/kconfig/lkc_proto.h | 13 -------------
scripts/kconfig/parser.y | 1 +
scripts/kconfig/preprocess.c | 1 +
scripts/kconfig/preprocess.h | 19 +++++++++++++++++++
5 files changed, 23 insertions(+), 13 deletions(-)
create mode 100644 scripts/kconfig/preprocess.h
diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index 5f1bc33203073..1bb372868ecf1 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -14,6 +14,8 @@
#include <string.h>
#include "lkc.h"
+#include "preprocess.h"
+
#include "parser.tab.h"
#define YY_DECL static int yylex1(void)
diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
index 85491d74a0942..94299e42402fa 100644
--- a/scripts/kconfig/lkc_proto.h
+++ b/scripts/kconfig/lkc_proto.h
@@ -40,19 +40,6 @@ const char * sym_get_string_value(struct symbol *sym);
const char * prop_get_type_name(enum prop_type type);
-/* preprocess.c */
-enum variable_flavor {
- VAR_SIMPLE,
- VAR_RECURSIVE,
- VAR_APPEND,
-};
-void env_write_dep(struct gstr *gs);
-void variable_add(const char *name, const char *value,
- enum variable_flavor flavor);
-void variable_all_del(void);
-char *expand_dollar(const char **str);
-char *expand_one_token(const char **str);
-
/* expr.c */
void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken);
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index cfb82ba09037d..ff68def09a2bf 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -13,6 +13,7 @@
#include "lkc.h"
#include "internal.h"
+#include "preprocess.h"
#define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
diff --git a/scripts/kconfig/preprocess.c b/scripts/kconfig/preprocess.c
index b9853d4a891c8..12665b981c3e5 100644
--- a/scripts/kconfig/preprocess.c
+++ b/scripts/kconfig/preprocess.c
@@ -11,6 +11,7 @@
#include "list.h"
#include "lkc.h"
+#include "preprocess.h"
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
diff --git a/scripts/kconfig/preprocess.h b/scripts/kconfig/preprocess.h
new file mode 100644
index 0000000000000..a7e4a550638c0
--- /dev/null
+++ b/scripts/kconfig/preprocess.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef PREPROCESS_H
+#define PREPROCESS_H
+
+enum variable_flavor {
+ VAR_SIMPLE,
+ VAR_RECURSIVE,
+ VAR_APPEND,
+};
+
+struct gstr;
+void env_write_dep(struct gstr *gs);
+void variable_add(const char *name, const char *value,
+ enum variable_flavor flavor);
+void variable_all_del(void);
+char *expand_dollar(const char **str);
+char *expand_one_token(const char **str);
+
+#endif /* PREPROCESS_H */
--
GitLab
From 52907c07c49b7b820924773d596c5eec5eaf7469 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:07 +0900
Subject: [PATCH 0571/2686] kconfig: replace current_pos with separate
cur_{filename,lineno}
Replace current_pos with separate variables representing the file name
and the line number, respectively.
No functional change is intended.
By the way, you might wonder why the "<none>" fallback exists in
zconf_curname(). menu_add_symbol() saves the current file and the line
number. It is intended to be called only during the yyparse() time.
However, menu_finalize() calls it, where there is no file being parsed.
This is a long-standing hack that should be fixed later. I left a FIXME
comment.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/lexer.l | 25 +++++++++++++++++--------
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index 1bb372868ecf1..540098435a3b1 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -22,10 +22,14 @@
#define START_STRSIZE 16
-static struct {
- struct file *file;
- int lineno;
-} current_pos;
+/* The Kconfig file currently being parsed. */
+static const char *cur_filename;
+
+/*
+ * The line number of the current statement. This does not match yylineno.
+ * yylineno is used by the lexer, while cur_lineno is used by the parser.
+ */
+static int cur_lineno;
static int prev_prev_token = T_EOL;
static int prev_token = T_EOL;
@@ -279,9 +283,14 @@ repeat:
* of each statement. Generally, \n is a statement
* terminator in Kconfig, but it is not always true
* because \n could be escaped by a backslash.
+ *
+ * FIXME:
+ * cur_filename and cur_lineno are used even after
+ * yyparse(); menu_finalize() calls menu_add_symbol().
+ * This should be fixed.
*/
- current_pos.file = current_file;
- current_pos.lineno = yylineno;
+ cur_filename = current_file ? current_file->name : "<none>";
+ cur_lineno = yylineno;
}
}
@@ -462,10 +471,10 @@ static void zconf_endfile(void)
int zconf_lineno(void)
{
- return current_pos.lineno;
+ return cur_lineno;
}
const char *zconf_curname(void)
{
- return current_pos.file ? current_pos.file->name : "<none>";
+ return cur_filename;
}
--
GitLab
From 1d7c4f10baacbc658918f7ddec31e1d1962df6fc Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:08 +0900
Subject: [PATCH 0572/2686] kconfig: remove zconf_curname() and zconf_lineno()
Now zconf_curname() and zconf_lineno() are so simple that they just
return cur_filename, cur_lineno, respectively.
Remove these functions, and then use cur_filename and cur_lineno
directly.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/internal.h | 3 ++
scripts/kconfig/lexer.l | 20 ++++---------
scripts/kconfig/lkc.h | 2 --
scripts/kconfig/menu.c | 4 +--
scripts/kconfig/parser.y | 59 +++++++++++++++++---------------------
5 files changed, 37 insertions(+), 51 deletions(-)
diff --git a/scripts/kconfig/internal.h b/scripts/kconfig/internal.h
index 2f7298c21b64d..788401cd5d6fc 100644
--- a/scripts/kconfig/internal.h
+++ b/scripts/kconfig/internal.h
@@ -6,4 +6,7 @@ struct menu;
extern struct menu *current_menu, *current_entry;
+extern const char *cur_filename;
+extern int cur_lineno;
+
#endif /* INTERNAL_H */
diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index 540098435a3b1..3b3893f673dc9 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -23,13 +23,13 @@
#define START_STRSIZE 16
/* The Kconfig file currently being parsed. */
-static const char *cur_filename;
+const char *cur_filename;
/*
* The line number of the current statement. This does not match yylineno.
* yylineno is used by the lexer, while cur_lineno is used by the parser.
*/
-static int cur_lineno;
+int cur_lineno;
static int prev_prev_token = T_EOL;
static int prev_token = T_EOL;
@@ -187,7 +187,7 @@ n [A-Za-z0-9_-]
\n {
fprintf(stderr,
"%s:%d:warning: multi-line strings not supported\n",
- zconf_curname(), zconf_lineno());
+ cur_filename, cur_lineno);
unput('\n');
BEGIN(INITIAL);
yylval.string = text;
@@ -423,12 +423,12 @@ void zconf_nextfile(const char *name)
yyin = zconf_fopen(file->name);
if (!yyin) {
fprintf(stderr, "%s:%d: can't open file \"%s\"\n",
- zconf_curname(), zconf_lineno(), file->name);
+ cur_filename, cur_lineno, file->name);
exit(1);
}
yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
- current_file->lineno = zconf_lineno();
+ current_file->lineno = cur_lineno;
file->parent = current_file;
for (iter = current_file; iter; iter = iter->parent) {
@@ -468,13 +468,3 @@ static void zconf_endfile(void)
current_buf = current_buf->parent;
free(tmp);
}
-
-int zconf_lineno(void)
-{
- return cur_lineno;
-}
-
-const char *zconf_curname(void)
-{
- return cur_filename;
-}
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 8616ad83be6da..d8249052f2e3d 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -36,8 +36,6 @@ void zconf_starthelp(void);
FILE *zconf_fopen(const char *name);
void zconf_initscan(const char *name);
void zconf_nextfile(const char *name);
-int zconf_lineno(void);
-const char *zconf_curname(void);
/* confdata.c */
extern struct gstr autoconf_cmd;
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 2cce8b651f615..ddca95879631b 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -54,7 +54,7 @@ void menu_add_entry(struct symbol *sym)
menu->sym = sym;
menu->parent = current_menu;
menu->file = current_file;
- menu->lineno = zconf_lineno();
+ menu->lineno = cur_lineno;
*last_entry_ptr = menu;
last_entry_ptr = &menu->next;
@@ -135,7 +135,7 @@ static struct property *menu_add_prop(enum prop_type type, struct expr *expr,
memset(prop, 0, sizeof(*prop));
prop->type = type;
prop->file = current_file;
- prop->lineno = zconf_lineno();
+ prop->lineno = cur_lineno;
prop->menu = current_entry;
prop->expr = expr;
prop->visible.expr = dep;
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index ff68def09a2bf..b9d7e26fc1607 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -144,19 +144,19 @@ config_entry_start: T_CONFIG nonconst_symbol T_EOL
{
$2->flags |= SYMBOL_OPTIONAL;
menu_add_entry($2);
- printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2->name);
+ printd(DEBUG_PARSE, "%s:%d:config %s\n", cur_filename, cur_lineno, $2->name);
};
config_stmt: config_entry_start config_option_list
{
- printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:endconfig\n", cur_filename, cur_lineno);
};
menuconfig_entry_start: T_MENUCONFIG nonconst_symbol T_EOL
{
$2->flags |= SYMBOL_OPTIONAL;
menu_add_entry($2);
- printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2->name);
+ printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", cur_filename, cur_lineno, $2->name);
};
menuconfig_stmt: menuconfig_entry_start config_option_list
@@ -165,7 +165,7 @@ menuconfig_stmt: menuconfig_entry_start config_option_list
current_entry->prompt->type = P_MENU;
else
zconfprint("warning: menuconfig statement without prompt");
- printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:endconfig\n", cur_filename, cur_lineno);
};
config_option_list:
@@ -178,15 +178,13 @@ config_option_list:
config_option: type prompt_stmt_opt T_EOL
{
menu_set_type($1);
- printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
- zconf_curname(), zconf_lineno(),
- $1);
+ printd(DEBUG_PARSE, "%s:%d:type(%u)\n", cur_filename, cur_lineno, $1);
};
config_option: T_PROMPT T_WORD_QUOTE if_expr T_EOL
{
menu_add_prompt(P_PROMPT, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:prompt\n", cur_filename, cur_lineno);
};
config_option: default expr if_expr T_EOL
@@ -194,27 +192,26 @@ config_option: default expr if_expr T_EOL
menu_add_expr(P_DEFAULT, $2, $3);
if ($1 != S_UNKNOWN)
menu_set_type($1);
- printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
- zconf_curname(), zconf_lineno(),
+ printd(DEBUG_PARSE, "%s:%d:default(%u)\n", cur_filename, cur_lineno,
$1);
};
config_option: T_SELECT nonconst_symbol if_expr T_EOL
{
menu_add_symbol(P_SELECT, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:select\n", cur_filename, cur_lineno);
};
config_option: T_IMPLY nonconst_symbol if_expr T_EOL
{
menu_add_symbol(P_IMPLY, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:imply\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:imply\n", cur_filename, cur_lineno);
};
config_option: T_RANGE symbol symbol if_expr T_EOL
{
menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
- printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:range\n", cur_filename, cur_lineno);
};
config_option: T_MODULES T_EOL
@@ -234,7 +231,7 @@ choice: T_CHOICE word_opt T_EOL
menu_add_entry(sym);
menu_add_expr(P_CHOICE, NULL, NULL);
free($2);
- printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:choice\n", cur_filename, cur_lineno);
};
choice_entry: choice choice_option_list
@@ -246,7 +243,7 @@ choice_end: end
{
if (zconf_endtoken($1, "choice")) {
menu_end_menu();
- printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:endchoice\n", cur_filename, cur_lineno);
}
};
@@ -263,27 +260,25 @@ choice_option_list:
choice_option: T_PROMPT T_WORD_QUOTE if_expr T_EOL
{
menu_add_prompt(P_PROMPT, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:prompt\n", cur_filename, cur_lineno);
};
choice_option: logic_type prompt_stmt_opt T_EOL
{
menu_set_type($1);
- printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
- zconf_curname(), zconf_lineno(), $1);
+ printd(DEBUG_PARSE, "%s:%d:type(%u)\n", cur_filename, cur_lineno, $1);
};
choice_option: T_OPTIONAL T_EOL
{
current_entry->sym->flags |= SYMBOL_OPTIONAL;
- printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:optional\n", cur_filename, cur_lineno);
};
choice_option: T_DEFAULT nonconst_symbol if_expr T_EOL
{
menu_add_symbol(P_DEFAULT, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:default\n",
- zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:default\n", cur_filename, cur_lineno);
};
type:
@@ -305,7 +300,7 @@ default:
if_entry: T_IF expr T_EOL
{
- printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:if\n", cur_filename, cur_lineno);
menu_add_entry(NULL);
menu_add_dep($2);
$$ = menu_add_menu();
@@ -315,7 +310,7 @@ if_end: end
{
if (zconf_endtoken($1, "if")) {
menu_end_menu();
- printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:endif\n", cur_filename, cur_lineno);
}
};
@@ -331,7 +326,7 @@ menu: T_MENU T_WORD_QUOTE T_EOL
{
menu_add_entry(NULL);
menu_add_prompt(P_MENU, $2, NULL);
- printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:menu\n", cur_filename, cur_lineno);
};
menu_entry: menu menu_option_list
@@ -343,7 +338,7 @@ menu_end: end
{
if (zconf_endtoken($1, "menu")) {
menu_end_menu();
- printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:endmenu\n", cur_filename, cur_lineno);
}
};
@@ -358,7 +353,7 @@ menu_option_list:
source_stmt: T_SOURCE T_WORD_QUOTE T_EOL
{
- printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
+ printd(DEBUG_PARSE, "%s:%d:source %s\n", cur_filename, cur_lineno, $2);
zconf_nextfile($2);
free($2);
};
@@ -369,7 +364,7 @@ comment: T_COMMENT T_WORD_QUOTE T_EOL
{
menu_add_entry(NULL);
menu_add_prompt(P_COMMENT, $2, NULL);
- printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:comment\n", cur_filename, cur_lineno);
};
comment_stmt: comment comment_option_list
@@ -384,7 +379,7 @@ comment_option_list:
help_start: T_HELP T_EOL
{
- printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:help\n", cur_filename, cur_lineno);
zconf_starthelp();
};
@@ -409,7 +404,7 @@ help: help_start T_HELPTEXT
depends: T_DEPENDS T_ON expr T_EOL
{
menu_add_dep($3);
- printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:depends on\n", cur_filename, cur_lineno);
};
/* visibility option */
@@ -548,7 +543,7 @@ static void zconfprint(const char *err, ...)
{
va_list ap;
- fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
+ fprintf(stderr, "%s:%d: ", cur_filename, cur_lineno);
va_start(ap, err);
vfprintf(stderr, err, ap);
va_end(ap);
@@ -560,7 +555,7 @@ static void zconf_error(const char *err, ...)
va_list ap;
yynerrs++;
- fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
+ fprintf(stderr, "%s:%d: ", cur_filename, cur_lineno);
va_start(ap, err);
vfprintf(stderr, err, ap);
va_end(ap);
@@ -569,7 +564,7 @@ static void zconf_error(const char *err, ...)
static void yyerror(const char *err)
{
- fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno(), err);
+ fprintf(stderr, "%s:%d: %s\n", cur_filename, cur_lineno, err);
}
static void print_quoted_string(FILE *out, const char *str)
--
GitLab
From 40bab83a6595b3ab8afcfdb57903470f64fdbdb9 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:09 +0900
Subject: [PATCH 0573/2686] kconfig: associate struct menu with file name
directly
struct menu is linked to struct file for diagnostic purposes.
It is always used to retrieve the file name through menu->file->name.
Associate struct menu with the file name directly.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/expr.h | 2 +-
scripts/kconfig/menu.c | 6 +++---
scripts/kconfig/parser.y | 6 +++---
scripts/kconfig/qconf.cc | 2 +-
scripts/kconfig/symbol.c | 4 ++--
5 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index e0d8665691550..e8fc85d98cdd6 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -256,7 +256,7 @@ struct menu {
char *help;
/* The location where the menu node appears in the Kconfig files */
- struct file *file;
+ const char *filename;
int lineno;
/* For use by front ends that need to store auxiliary data */
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index ddca95879631b..5ad4d2b9fb828 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -23,7 +23,7 @@ void menu_warn(struct menu *menu, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
- fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno);
+ fprintf(stderr, "%s:%d:warning: ", menu->filename, menu->lineno);
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
va_end(ap);
@@ -53,7 +53,7 @@ void menu_add_entry(struct symbol *sym)
memset(menu, 0, sizeof(*menu));
menu->sym = sym;
menu->parent = current_menu;
- menu->file = current_file;
+ menu->filename = cur_filename;
menu->lineno = cur_lineno;
*last_entry_ptr = menu;
@@ -676,7 +676,7 @@ struct menu *menu_get_parent_menu(struct menu *menu)
static void get_def_str(struct gstr *r, struct menu *menu)
{
str_printf(r, "Defined at %s:%d\n",
- menu->file->name, menu->lineno);
+ menu->filename, menu->lineno);
}
static void get_dep_str(struct gstr *r, struct expr *expr, const char *prefix)
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index b9d7e26fc1607..d1d05c8cd89db 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -101,7 +101,7 @@ struct menu *current_menu, *current_entry;
%destructor {
fprintf(stderr, "%s:%d: missing end statement for this entry\n",
- $$->file->name, $$->lineno);
+ $$->filename, $$->lineno);
if (current_menu == $$)
menu_end_menu();
} if_entry menu_entry choice_entry
@@ -527,11 +527,11 @@ static bool zconf_endtoken(const char *tokenname,
yynerrs++;
return false;
}
- if (current_menu->file != current_file) {
+ if (strcmp(current_menu->filename, cur_filename)) {
zconf_error("'%s' in different file than '%s'",
tokenname, expected_tokenname);
fprintf(stderr, "%s:%d: location of the '%s'\n",
- current_menu->file->name, current_menu->lineno,
+ current_menu->filename, current_menu->lineno,
expected_tokenname);
yynerrs++;
return false;
diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index 620a3527c767a..c6c42c0f4e5d5 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -1058,7 +1058,7 @@ void ConfigInfoView::menuInfo(void)
stream << "<br><br>";
}
- stream << "defined at " << _menu->file->name << ":"
+ stream << "defined at " << _menu->filename << ":"
<< _menu->lineno << "<br><br>";
}
}
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index e9e9fb8d86746..7647e3e87cd5f 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -1045,12 +1045,12 @@ static void sym_check_print_recursive(struct symbol *last_sym)
if (sym_is_choice(sym)) {
fprintf(stderr, "%s:%d:\tchoice %s contains symbol %s\n",
- menu->file->name, menu->lineno,
+ menu->filename, menu->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
} else if (sym_is_choice_value(sym)) {
fprintf(stderr, "%s:%d:\tsymbol %s is part of choice %s\n",
- menu->file->name, menu->lineno,
+ menu->filename, menu->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
} else if (stack->expr == &sym->dir_dep.expr) {
--
GitLab
From 1a90b0cdc02a9efba97a2ea49e4b851958137053 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:10 +0900
Subject: [PATCH 0574/2686] kconfig: associate struct property with file name
directly
struct property is linked to struct file for diagnostic purposes.
It is always used to retrieve the file name through prop->file->name.
Associate struct property with the file name directly.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/expr.h | 2 +-
scripts/kconfig/menu.c | 4 ++--
scripts/kconfig/symbol.c | 12 ++++++------
3 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index e8fc85d98cdd6..037db39c5bf01 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -195,7 +195,7 @@ struct property {
struct menu *menu; /* the menu the property are associated with
* valid for: P_SELECT, P_RANGE, P_CHOICE,
* P_PROMPT, P_DEFAULT, P_MENU, P_COMMENT */
- struct file *file; /* what file was this property defined */
+ const char *filename; /* what file was this property defined */
int lineno; /* what lineno was this property defined */
};
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 5ad4d2b9fb828..0ded0b1830d0e 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -33,7 +33,7 @@ static void prop_warn(struct property *prop, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
- fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno);
+ fprintf(stderr, "%s:%d:warning: ", prop->filename, prop->lineno);
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
va_end(ap);
@@ -134,7 +134,7 @@ static struct property *menu_add_prop(enum prop_type type, struct expr *expr,
prop = xmalloc(sizeof(*prop));
memset(prop, 0, sizeof(*prop));
prop->type = type;
- prop->file = current_file;
+ prop->filename = cur_filename;
prop->lineno = cur_lineno;
prop->menu = current_entry;
prop->expr = expr;
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 7647e3e87cd5f..dae630a74e50e 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -1041,7 +1041,7 @@ static void sym_check_print_recursive(struct symbol *last_sym)
}
if (stack->sym == last_sym)
fprintf(stderr, "%s:%d:error: recursive dependency detected!\n",
- prop->file->name, prop->lineno);
+ prop->filename, prop->lineno);
if (sym_is_choice(sym)) {
fprintf(stderr, "%s:%d:\tchoice %s contains symbol %s\n",
@@ -1055,28 +1055,28 @@ static void sym_check_print_recursive(struct symbol *last_sym)
next_sym->name ? next_sym->name : "<choice>");
} else if (stack->expr == &sym->dir_dep.expr) {
fprintf(stderr, "%s:%d:\tsymbol %s depends on %s\n",
- prop->file->name, prop->lineno,
+ prop->filename, prop->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
} else if (stack->expr == &sym->rev_dep.expr) {
fprintf(stderr, "%s:%d:\tsymbol %s is selected by %s\n",
- prop->file->name, prop->lineno,
+ prop->filename, prop->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
} else if (stack->expr == &sym->implied.expr) {
fprintf(stderr, "%s:%d:\tsymbol %s is implied by %s\n",
- prop->file->name, prop->lineno,
+ prop->filename, prop->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
} else if (stack->expr) {
fprintf(stderr, "%s:%d:\tsymbol %s %s value contains %s\n",
- prop->file->name, prop->lineno,
+ prop->filename, prop->lineno,
sym->name ? sym->name : "<choice>",
prop_get_type_name(prop->type),
next_sym->name ? next_sym->name : "<choice>");
} else {
fprintf(stderr, "%s:%d:\tsymbol %s %s is visible depending on %s\n",
- prop->file->name, prop->lineno,
+ prop->filename, prop->lineno,
sym->name ? sym->name : "<choice>",
prop_get_type_name(prop->type),
next_sym->name ? next_sym->name : "<choice>");
--
GitLab
From fe273c6fc318da07bdbb42d26d8e6e150aa947af Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:11 +0900
Subject: [PATCH 0575/2686] kconfig: replace file->name with name in
zconf_nextfile()
The 'file->name' and 'name' are the same in this function.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/lexer.l | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index 3b3893f673dc9..35ad1b2564707 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -420,10 +420,10 @@ void zconf_nextfile(const char *name)
buf->yylineno = yylineno;
buf->parent = current_buf;
current_buf = buf;
- yyin = zconf_fopen(file->name);
+ yyin = zconf_fopen(name);
if (!yyin) {
fprintf(stderr, "%s:%d: can't open file \"%s\"\n",
- cur_filename, cur_lineno, file->name);
+ cur_filename, cur_lineno, name);
exit(1);
}
yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
@@ -432,17 +432,17 @@ void zconf_nextfile(const char *name)
file->parent = current_file;
for (iter = current_file; iter; iter = iter->parent) {
- if (!strcmp(iter->name, file->name)) {
+ if (!strcmp(iter->name, name)) {
fprintf(stderr,
"Recursive inclusion detected.\n"
"Inclusion path:\n"
- " current file : %s\n", file->name);
+ " current file : %s\n", name);
iter = file;
do {
iter = iter->parent;
fprintf(stderr, " included from: %s:%d\n",
iter->name, iter->lineno);
- } while (strcmp(iter->name, file->name));
+ } while (strcmp(iter->name, name));
exit(1);
}
}
--
GitLab
From d3e4a68fe20f3c05de77f5e300e3d76a9f68d942 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:12 +0900
Subject: [PATCH 0576/2686] kconfig: do not delay the cur_filename update
Currently, cur_filename is updated at the first token of each statement.
However, this seems unnecessary based on my understanding; the parser
can use the same variable as the lexer tracks.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/lexer.l | 17 +++++++----------
scripts/kconfig/parser.y | 8 ++++++++
2 files changed, 15 insertions(+), 10 deletions(-)
diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index 35ad1b2564707..28e279cd5a224 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -274,24 +274,17 @@ repeat:
token = yylex1();
if (prev_token == T_EOL || prev_token == T_HELPTEXT) {
- if (token == T_EOL) {
+ if (token == T_EOL)
/* Do not pass unneeded T_EOL to the parser. */
goto repeat;
- } else {
+ else
/*
- * For the parser, update file/lineno at the first token
+ * For the parser, update lineno at the first token
* of each statement. Generally, \n is a statement
* terminator in Kconfig, but it is not always true
* because \n could be escaped by a backslash.
- *
- * FIXME:
- * cur_filename and cur_lineno are used even after
- * yyparse(); menu_finalize() calls menu_add_symbol().
- * This should be fixed.
*/
- cur_filename = current_file ? current_file->name : "<none>";
cur_lineno = yylineno;
- }
}
if (prev_prev_token == T_EOL && prev_token == T_WORD &&
@@ -407,6 +400,7 @@ void zconf_initscan(const char *name)
}
current_file = file_lookup(name);
+ cur_filename = current_file->name;
yylineno = 1;
}
@@ -448,6 +442,7 @@ void zconf_nextfile(const char *name)
}
yylineno = 1;
+ cur_filename = file->name;
current_file = file;
}
@@ -456,6 +451,8 @@ static void zconf_endfile(void)
struct buffer *tmp;
current_file = current_file->parent;
+ if (current_file)
+ cur_filename = current_file->name;
if (!current_buf)
return;
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index d1d05c8cd89db..e58c24d2e5abe 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -488,6 +488,14 @@ void conf_parse(const char *name)
yydebug = 1;
yyparse();
+ /*
+ * FIXME:
+ * cur_filename and cur_lineno are used even after yyparse();
+ * menu_finalize() calls menu_add_symbol(). This should be fixed.
+ */
+ cur_filename = "<none>";
+ cur_lineno = 0;
+
str_printf(&autoconf_cmd,
"\n"
"$(autoconfig): $(deps_config)\n"
--
GitLab
From 4ff7ceae83bea6afcd0325b88e3f3d9f168cc432 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:13 +0900
Subject: [PATCH 0577/2686] kconfig: replace remaining current_file->name with
cur_filename
Replace the remaining current_file->name in the lexer context.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/lexer.l | 4 ++--
scripts/kconfig/preprocess.c | 8 ++++----
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index 28e279cd5a224..db2397c4e3437 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -84,7 +84,7 @@ static void warn_ignored_character(char chr)
{
fprintf(stderr,
"%s:%d:warning: ignoring unsupported character '%c'\n",
- current_file->name, yylineno, chr);
+ cur_filename, yylineno, chr);
}
%}
@@ -253,7 +253,7 @@ n [A-Za-z0-9_-]
if (prev_token != T_EOL && prev_token != T_HELPTEXT)
fprintf(stderr, "%s:%d:warning: no new line at end of file\n",
- current_file->name, yylineno);
+ cur_filename, yylineno);
if (current_file) {
zconf_endfile();
diff --git a/scripts/kconfig/preprocess.c b/scripts/kconfig/preprocess.c
index 12665b981c3e5..69b806a6d8b7c 100644
--- a/scripts/kconfig/preprocess.c
+++ b/scripts/kconfig/preprocess.c
@@ -9,6 +9,7 @@
#include <stdlib.h>
#include <string.h>
+#include "internal.h"
#include "list.h"
#include "lkc.h"
#include "preprocess.h"
@@ -22,7 +23,7 @@ static void __attribute__((noreturn)) pperror(const char *format, ...)
{
va_list ap;
- fprintf(stderr, "%s:%d: ", current_file->name, yylineno);
+ fprintf(stderr, "%s:%d: ", cur_filename, yylineno);
va_start(ap, format);
vfprintf(stderr, format, ap);
va_end(ap);
@@ -123,7 +124,7 @@ static char *do_error_if(int argc, char *argv[])
static char *do_filename(int argc, char *argv[])
{
- return xstrdup(current_file->name);
+ return xstrdup(cur_filename);
}
static char *do_info(int argc, char *argv[])
@@ -185,8 +186,7 @@ static char *do_shell(int argc, char *argv[])
static char *do_warning_if(int argc, char *argv[])
{
if (!strcmp(argv[0], "y"))
- fprintf(stderr, "%s:%d: %s\n",
- current_file->name, yylineno, argv[1]);
+ fprintf(stderr, "%s:%d: %s\n", cur_filename, yylineno, argv[1]);
return xstrdup("");
}
--
GitLab
From 8facc5f31954d5fddc2759de474eb6fae1135ced Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:14 +0900
Subject: [PATCH 0578/2686] kconfig: move the file and lineno in struct file to
struct buffer
struct file has two link nodes, 'next' and 'parent'.
The former is used to link files in the 'file_list' linked list,
which manages the list of Kconfig files seen so far.
The latter is used to link files in the 'current_file' linked list,
which manages the inclusion ("source") tree.
The latter should be tracked together with the lexer state.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/expr.h | 3 ---
scripts/kconfig/lexer.l | 52 ++++++++++++++++++-----------------------
scripts/kconfig/menu.c | 1 -
3 files changed, 23 insertions(+), 33 deletions(-)
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 037db39c5bf01..85e0d1ab3c8ad 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -19,9 +19,7 @@ extern "C" {
struct file {
struct file *next;
- struct file *parent;
const char *name;
- int lineno;
};
typedef enum tristate {
@@ -278,7 +276,6 @@ struct jump_key {
};
extern struct file *file_list;
-extern struct file *current_file;
extern struct symbol symbol_yes, symbol_no, symbol_mod;
extern struct symbol *modules_sym;
diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index db2397c4e3437..71f651bb82bae 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -40,6 +40,8 @@ struct buffer {
struct buffer *parent;
YY_BUFFER_STATE state;
int yylineno;
+ const char *filename;
+ int source_lineno;
};
static struct buffer *current_buf;
@@ -255,7 +257,7 @@ n [A-Za-z0-9_-]
fprintf(stderr, "%s:%d:warning: no new line at end of file\n",
cur_filename, yylineno);
- if (current_file) {
+ if (current_buf) {
zconf_endfile();
return T_EOL;
}
@@ -399,19 +401,20 @@ void zconf_initscan(const char *name)
exit(1);
}
- current_file = file_lookup(name);
- cur_filename = current_file->name;
+ cur_filename = file_lookup(name)->name;
yylineno = 1;
}
void zconf_nextfile(const char *name)
{
- struct file *iter;
struct file *file = file_lookup(name);
struct buffer *buf = xmalloc(sizeof(*buf));
+ bool recur_include = false;
buf->state = YY_CURRENT_BUFFER;
buf->yylineno = yylineno;
+ buf->filename = cur_filename;
+ buf->source_lineno = cur_lineno;
buf->parent = current_buf;
current_buf = buf;
yyin = zconf_fopen(name);
@@ -422,45 +425,36 @@ void zconf_nextfile(const char *name)
}
yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
- current_file->lineno = cur_lineno;
- file->parent = current_file;
-
- for (iter = current_file; iter; iter = iter->parent) {
- if (!strcmp(iter->name, name)) {
- fprintf(stderr,
- "Recursive inclusion detected.\n"
- "Inclusion path:\n"
- " current file : %s\n", name);
- iter = file;
- do {
- iter = iter->parent;
- fprintf(stderr, " included from: %s:%d\n",
- iter->name, iter->lineno);
- } while (strcmp(iter->name, name));
- exit(1);
- }
+ for (buf = current_buf; buf; buf = buf->parent) {
+ if (!strcmp(buf->filename, name))
+ recur_include = true;
+ }
+
+ if (recur_include) {
+ fprintf(stderr,
+ "Recursive inclusion detected.\n"
+ "Inclusion path:\n"
+ " current file : %s\n", name);
+
+ for (buf = current_buf; buf; buf = buf->parent)
+ fprintf(stderr, " included from: %s:%d\n",
+ buf->filename, buf->source_lineno);
+ exit(1);
}
yylineno = 1;
cur_filename = file->name;
- current_file = file;
}
static void zconf_endfile(void)
{
struct buffer *tmp;
- current_file = current_file->parent;
- if (current_file)
- cur_filename = current_file->name;
-
- if (!current_buf)
- return;
-
fclose(yyin);
yy_delete_buffer(YY_CURRENT_BUFFER);
yy_switch_to_buffer(current_buf->state);
yylineno = current_buf->yylineno;
+ cur_filename = current_buf->filename;
tmp = current_buf;
current_buf = current_buf->parent;
free(tmp);
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 0ded0b1830d0e..b879576d1ab4a 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -17,7 +17,6 @@ struct menu rootmenu;
static struct menu **last_entry_ptr;
struct file *file_list;
-struct file *current_file;
void menu_warn(struct menu *menu, const char *fmt, ...)
{
--
GitLab
From 6676c5bc15e66268c9c9669d5852aa779689c74e Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:15 +0900
Subject: [PATCH 0579/2686] kconfig: make file::name a flexible array member
Call malloc() just once to allocate needed memory.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/expr.h | 2 +-
scripts/kconfig/util.c | 7 +++++--
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 85e0d1ab3c8ad..760b1e681b433 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -19,7 +19,7 @@ extern "C" {
struct file {
struct file *next;
- const char *name;
+ char name[];
};
typedef enum tristate {
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index 958543bb0a37a..2636dccea0c9a 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -13,6 +13,7 @@
struct file *file_lookup(const char *name)
{
struct file *file;
+ size_t len;
for (file = file_list; file; file = file->next) {
if (!strcmp(name, file->name)) {
@@ -20,9 +21,11 @@ struct file *file_lookup(const char *name)
}
}
- file = xmalloc(sizeof(*file));
+ len = strlen(name);
+ file = xmalloc(sizeof(*file) + len + 1);
memset(file, 0, sizeof(*file));
- file->name = xstrdup(name);
+ memcpy(file->name, name, len);
+ file->name[len] = '\0';
file->next = file_list;
file_list = file;
--
GitLab
From 5b058034e3aa600802ab609e8264dc2ca1300ebe Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:16 +0900
Subject: [PATCH 0580/2686] kconfig: change file_lookup() to return the file
name
Currently, file_lookup() returns a pointer to (struct file), but the
callers use only file->name.
Make it return the ->name member directly.
This adjustment encapsulates struct file and file_list as internal
implementation.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/expr.h | 7 -------
scripts/kconfig/lexer.l | 5 ++---
scripts/kconfig/lkc.h | 2 +-
scripts/kconfig/menu.c | 2 --
scripts/kconfig/util.c | 13 ++++++++++---
5 files changed, 13 insertions(+), 16 deletions(-)
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 760b1e681b433..d667f9aa041e7 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -17,11 +17,6 @@ extern "C" {
#include <stdbool.h>
#endif
-struct file {
- struct file *next;
- char name[];
-};
-
typedef enum tristate {
no, mod, yes
} tristate;
@@ -275,8 +270,6 @@ struct jump_key {
struct menu *target;
};
-extern struct file *file_list;
-
extern struct symbol symbol_yes, symbol_no, symbol_mod;
extern struct symbol *modules_sym;
extern int cdebug;
diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index 71f651bb82bae..89544c3a1a299 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -401,13 +401,12 @@ void zconf_initscan(const char *name)
exit(1);
}
- cur_filename = file_lookup(name)->name;
+ cur_filename = file_lookup(name);
yylineno = 1;
}
void zconf_nextfile(const char *name)
{
- struct file *file = file_lookup(name);
struct buffer *buf = xmalloc(sizeof(*buf));
bool recur_include = false;
@@ -443,7 +442,7 @@ void zconf_nextfile(const char *name)
}
yylineno = 1;
- cur_filename = file->name;
+ cur_filename = file_lookup(name);
}
static void zconf_endfile(void)
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index d8249052f2e3d..71afcbd562739 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -52,7 +52,7 @@ static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
}
/* util.c */
-struct file *file_lookup(const char *name);
+const char *file_lookup(const char *name);
void *xmalloc(size_t size);
void *xcalloc(size_t nmemb, size_t size);
void *xrealloc(void *p, size_t size);
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index b879576d1ab4a..f701382f8a692 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -16,8 +16,6 @@ static const char nohelp_text[] = "There is no help available for this option.";
struct menu rootmenu;
static struct menu **last_entry_ptr;
-struct file *file_list;
-
void menu_warn(struct menu *menu, const char *fmt, ...)
{
va_list ap;
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index 2636dccea0c9a..610d64c01479b 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -9,15 +9,22 @@
#include <string.h>
#include "lkc.h"
+struct file {
+ struct file *next;
+ char name[];
+};
+
+static struct file *file_list;
+
/* file already present in list? If not add it */
-struct file *file_lookup(const char *name)
+const char *file_lookup(const char *name)
{
struct file *file;
size_t len;
for (file = file_list; file; file = file->next) {
if (!strcmp(name, file->name)) {
- return file;
+ return file->name;
}
}
@@ -31,7 +38,7 @@ struct file *file_lookup(const char *name)
str_printf(&autoconf_cmd, "\t%s \\\n", name);
- return file;
+ return file->name;
}
/* Allocate initial growable string */
--
GitLab
From 4dae9cf5cbb863c7ca23899446885dbc457f81ae Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:17 +0900
Subject: [PATCH 0581/2686] kconfig: split list_head into a separate header
The struct list_head is often embedded in other structures, while other
code is used in C functions.
By separating struct list_head into its own header, other headers are no
longer required to include the entire list.h.
This is similar to the kernel space, where struct list_head is defined
in <linux/types.h> instead of <linux/list.h>.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/expr.h | 2 +-
scripts/kconfig/list.h | 8 ++------
scripts/kconfig/list_types.h | 9 +++++++++
scripts/kconfig/mconf.c | 1 +
scripts/kconfig/menu.c | 1 +
scripts/kconfig/nconf.c | 1 +
6 files changed, 15 insertions(+), 7 deletions(-)
create mode 100644 scripts/kconfig/list_types.h
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index d667f9aa041e7..dd3350aed302c 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -12,7 +12,7 @@ extern "C" {
#include <assert.h>
#include <stdio.h>
-#include "list.h"
+#include "list_types.h"
#ifndef __cplusplus
#include <stdbool.h>
#endif
diff --git a/scripts/kconfig/list.h b/scripts/kconfig/list.h
index 45cb237ab7ef7..babed0baf4ae8 100644
--- a/scripts/kconfig/list.h
+++ b/scripts/kconfig/list.h
@@ -2,6 +2,8 @@
#ifndef LIST_H
#define LIST_H
+#include "list_types.h"
+
/*
* Copied from include/linux/...
*/
@@ -20,12 +22,6 @@
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
-
-struct list_head {
- struct list_head *next, *prev;
-};
-
-
#define LIST_HEAD_INIT(name) { &(name), &(name) }
#define LIST_HEAD(name) \
diff --git a/scripts/kconfig/list_types.h b/scripts/kconfig/list_types.h
new file mode 100644
index 0000000000000..32899f424983e
--- /dev/null
+++ b/scripts/kconfig/list_types.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef LIST_TYPES_H
+#define LIST_TYPES_H
+
+struct list_head {
+ struct list_head *next, *prev;
+};
+
+#endif /* LIST_TYPES_H */
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index 5df32148a8695..f4bb391d50cf9 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -19,6 +19,7 @@
#include <signal.h>
#include <unistd.h>
+#include "list.h"
#include "lkc.h"
#include "lxdialog/dialog.h"
#include "mnconf-common.h"
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index f701382f8a692..696803d944e01 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -10,6 +10,7 @@
#include "lkc.h"
#include "internal.h"
+#include "list.h"
static const char nohelp_text[] = "There is no help available for this option.";
diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c
index 1148163cfa7e7..9d22b0f3197b8 100644
--- a/scripts/kconfig/nconf.c
+++ b/scripts/kconfig/nconf.c
@@ -11,6 +11,7 @@
#include <strings.h>
#include <stdlib.h>
+#include "list.h"
#include "lkc.h"
#include "mnconf-common.h"
#include "nconf.h"
--
GitLab
From 55f649b73de1585de8608ad5afa764cd7646f9c2 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:18 +0900
Subject: [PATCH 0582/2686] kconfig: resync list.h
Update the existing macros and inline functions based on
include/linux/list.h.
The variable name '_new' can be reverted to 'new' because this header
is no longer included from the C++ file, scripts/kconfig/qconf.cc.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/list.h | 183 +++++++++++++++++++++++++++--------------
1 file changed, 121 insertions(+), 62 deletions(-)
diff --git a/scripts/kconfig/list.h b/scripts/kconfig/list.h
index babed0baf4ae8..2bce2b8f21d13 100644
--- a/scripts/kconfig/list.h
+++ b/scripts/kconfig/list.h
@@ -2,71 +2,56 @@
#ifndef LIST_H
#define LIST_H
-#include "list_types.h"
+#include <stddef.h>
-/*
- * Copied from include/linux/...
- */
+#include "list_types.h"
-#undef offsetof
-#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+/* Are two types/vars the same type (ignoring qualifiers)? */
+#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
/**
* container_of - cast a member of a structure out to the containing structure
- * @ptr: the pointer to the member.
- * @type: the type of the container struct this is embedded in.
- * @member: the name of the member within the struct.
+ * @ptr: the pointer to the member.
+ * @type: the type of the container struct this is embedded in.
+ * @member: the name of the member within the struct.
*
*/
-#define container_of(ptr, type, member) ({ \
- const typeof( ((type *)0)->member ) *__mptr = (ptr); \
- (type *)( (char *)__mptr - offsetof(type,member) );})
-
-#define LIST_HEAD_INIT(name) { &(name), &(name) }
+#define container_of(ptr, type, member) ({ \
+ void *__mptr = (void *)(ptr); \
+ _Static_assert(__same_type(*(ptr), ((type *)0)->member) || \
+ __same_type(*(ptr), void), \
+ "pointer type mismatch in container_of()"); \
+ ((type *)(__mptr - offsetof(type, member))); })
-#define LIST_HEAD(name) \
- struct list_head name = LIST_HEAD_INIT(name)
+#define LIST_POISON1 ((void *) 0x100)
+#define LIST_POISON2 ((void *) 0x122)
-/**
- * list_entry - get the struct for this entry
- * @ptr: the &struct list_head pointer.
- * @type: the type of the struct this is embedded in.
- * @member: the name of the list_head within the struct.
+/*
+ * Circular doubly linked list implementation.
+ *
+ * Some of the internal functions ("__xxx") are useful when
+ * manipulating whole lists rather than single entries, as
+ * sometimes we already know the next/prev entries and we can
+ * generate better code by using them directly rather than
+ * using the generic single-entry routines.
*/
-#define list_entry(ptr, type, member) \
- container_of(ptr, type, member)
-/**
- * list_for_each_entry - iterate over list of given type
- * @pos: the type * to use as a loop cursor.
- * @head: the head for your list.
- * @member: the name of the list_head within the struct.
- */
-#define list_for_each_entry(pos, head, member) \
- for (pos = list_entry((head)->next, typeof(*pos), member); \
- &pos->member != (head); \
- pos = list_entry(pos->member.next, typeof(*pos), member))
+#define LIST_HEAD_INIT(name) { &(name), &(name) }
-/**
- * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
- * @pos: the type * to use as a loop cursor.
- * @n: another type * to use as temporary storage
- * @head: the head for your list.
- * @member: the name of the list_head within the struct.
- */
-#define list_for_each_entry_safe(pos, n, head, member) \
- for (pos = list_entry((head)->next, typeof(*pos), member), \
- n = list_entry(pos->member.next, typeof(*pos), member); \
- &pos->member != (head); \
- pos = n, n = list_entry(n->member.next, typeof(*n), member))
+#define LIST_HEAD(name) \
+ struct list_head name = LIST_HEAD_INIT(name)
/**
- * list_empty - tests whether a list is empty
- * @head: the list to test.
+ * INIT_LIST_HEAD - Initialize a list_head structure
+ * @list: list_head structure to be initialized.
+ *
+ * Initializes the list_head to point to itself. If it is a list header,
+ * the result is an empty list.
*/
-static inline int list_empty(const struct list_head *head)
+static inline void INIT_LIST_HEAD(struct list_head *list)
{
- return head->next == head;
+ list->next = list;
+ list->prev = list;
}
/*
@@ -75,14 +60,14 @@ static inline int list_empty(const struct list_head *head)
* This is only for internal list manipulation where we know
* the prev/next entries already!
*/
-static inline void __list_add(struct list_head *_new,
+static inline void __list_add(struct list_head *new,
struct list_head *prev,
struct list_head *next)
{
- next->prev = _new;
- _new->next = next;
- _new->prev = prev;
- prev->next = _new;
+ next->prev = new;
+ new->next = next;
+ new->prev = prev;
+ prev->next = new;
}
/**
@@ -93,9 +78,9 @@ static inline void __list_add(struct list_head *_new,
* Insert a new entry before the specified head.
* This is useful for implementing queues.
*/
-static inline void list_add_tail(struct list_head *_new, struct list_head *head)
+static inline void list_add_tail(struct list_head *new, struct list_head *head)
{
- __list_add(_new, head->prev, head);
+ __list_add(new, head->prev, head);
}
/*
@@ -111,8 +96,11 @@ static inline void __list_del(struct list_head *prev, struct list_head *next)
prev->next = next;
}
-#define LIST_POISON1 ((void *) 0x00100100)
-#define LIST_POISON2 ((void *) 0x00200200)
+static inline void __list_del_entry(struct list_head *entry)
+{
+ __list_del(entry->prev, entry->next);
+}
+
/**
* list_del - deletes entry from list.
* @entry: the element to delete from the list.
@@ -121,8 +109,79 @@ static inline void __list_del(struct list_head *prev, struct list_head *next)
*/
static inline void list_del(struct list_head *entry)
{
- __list_del(entry->prev, entry->next);
- entry->next = (struct list_head*)LIST_POISON1;
- entry->prev = (struct list_head*)LIST_POISON2;
+ __list_del_entry(entry);
+ entry->next = LIST_POISON1;
+ entry->prev = LIST_POISON2;
+}
+
+/**
+ * list_empty - tests whether a list is empty
+ * @head: the list to test.
+ */
+static inline int list_empty(const struct list_head *head)
+{
+ return head->next == head;
}
-#endif
+
+/**
+ * list_entry - get the struct for this entry
+ * @ptr: the &struct list_head pointer.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_head within the struct.
+ */
+#define list_entry(ptr, type, member) \
+ container_of(ptr, type, member)
+
+/**
+ * list_first_entry - get the first element from a list
+ * @ptr: the list head to take the element from.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_head within the struct.
+ *
+ * Note, that list is expected to be not empty.
+ */
+#define list_first_entry(ptr, type, member) \
+ list_entry((ptr)->next, type, member)
+
+/**
+ * list_next_entry - get the next element in list
+ * @pos: the type * to cursor
+ * @member: the name of the list_head within the struct.
+ */
+#define list_next_entry(pos, member) \
+ list_entry((pos)->member.next, typeof(*(pos)), member)
+
+/**
+ * list_entry_is_head - test if the entry points to the head of the list
+ * @pos: the type * to cursor
+ * @head: the head for your list.
+ * @member: the name of the list_head within the struct.
+ */
+#define list_entry_is_head(pos, head, member) \
+ (&pos->member == (head))
+
+/**
+ * list_for_each_entry - iterate over list of given type
+ * @pos: the type * to use as a loop cursor.
+ * @head: the head for your list.
+ * @member: the name of the list_head within the struct.
+ */
+#define list_for_each_entry(pos, head, member) \
+ for (pos = list_first_entry(head, typeof(*pos), member); \
+ !list_entry_is_head(pos, head, member); \
+ pos = list_next_entry(pos, member))
+
+/**
+ * list_for_each_entry_safe - iterate over list of given type. Safe against removal of list entry
+ * @pos: the type * to use as a loop cursor.
+ * @n: another type * to use as temporary storage
+ * @head: the head for your list.
+ * @member: the name of the list_head within the struct.
+ */
+#define list_for_each_entry_safe(pos, n, head, member) \
+ for (pos = list_first_entry(head, typeof(*pos), member), \
+ n = list_next_entry(pos, member); \
+ !list_entry_is_head(pos, head, member); \
+ pos = n, n = list_next_entry(n, member))
+
+#endif /* LIST_H */
--
GitLab
From 5e3cf304a0bdc7a3d7ba4805bb2bb05c5e6916ff Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:19 +0900
Subject: [PATCH 0583/2686] kconfig: import more list macros and inline
functions
Import more macros and inline functions from include/linux/list.h
and include/linux/types.h.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/list.h | 69 ++++++++++++++++++++++++++++++++++++
scripts/kconfig/list_types.h | 8 +++++
2 files changed, 77 insertions(+)
diff --git a/scripts/kconfig/list.h b/scripts/kconfig/list.h
index 2bce2b8f21d13..882859ddf9f4f 100644
--- a/scripts/kconfig/list.h
+++ b/scripts/kconfig/list.h
@@ -70,6 +70,19 @@ static inline void __list_add(struct list_head *new,
prev->next = new;
}
+/**
+ * list_add - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it after
+ *
+ * Insert a new entry after the specified head.
+ * This is good for implementing stacks.
+ */
+static inline void list_add(struct list_head *new, struct list_head *head)
+{
+ __list_add(new, head, head->next);
+}
+
/**
* list_add_tail - add a new entry
* @new: new entry to be added
@@ -114,6 +127,16 @@ static inline void list_del(struct list_head *entry)
entry->prev = LIST_POISON2;
}
+/**
+ * list_is_head - tests whether @list is the list @head
+ * @list: the entry to test
+ * @head: the head of the list
+ */
+static inline int list_is_head(const struct list_head *list, const struct list_head *head)
+{
+ return list == head;
+}
+
/**
* list_empty - tests whether a list is empty
* @head: the list to test.
@@ -184,4 +207,50 @@ static inline int list_empty(const struct list_head *head)
!list_entry_is_head(pos, head, member); \
pos = n, n = list_next_entry(n, member))
+/*
+ * Double linked lists with a single pointer list head.
+ * Mostly useful for hash tables where the two pointer list head is
+ * too wasteful.
+ * You lose the ability to access the tail in O(1).
+ */
+
+#define HLIST_HEAD_INIT { .first = NULL }
+
+/**
+ * hlist_add_head - add a new entry at the beginning of the hlist
+ * @n: new entry to be added
+ * @h: hlist head to add it after
+ *
+ * Insert a new entry after the specified head.
+ * This is good for implementing stacks.
+ */
+static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
+{
+ struct hlist_node *first = h->first;
+
+ n->next = first;
+ if (first)
+ first->pprev = &n->next;
+ h->first = n;
+ n->pprev = &h->first;
+}
+
+#define hlist_entry(ptr, type, member) container_of(ptr, type, member)
+
+#define hlist_entry_safe(ptr, type, member) \
+ ({ typeof(ptr) ____ptr = (ptr); \
+ ____ptr ? hlist_entry(____ptr, type, member) : NULL; \
+ })
+
+/**
+ * hlist_for_each_entry - iterate over list of given type
+ * @pos: the type * to use as a loop cursor.
+ * @head: the head for your list.
+ * @member: the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry(pos, head, member) \
+ for (pos = hlist_entry_safe((head)->first, typeof(*(pos)), member);\
+ pos; \
+ pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member))
+
#endif /* LIST_H */
diff --git a/scripts/kconfig/list_types.h b/scripts/kconfig/list_types.h
index 32899f424983e..d935b7c5aa813 100644
--- a/scripts/kconfig/list_types.h
+++ b/scripts/kconfig/list_types.h
@@ -6,4 +6,12 @@ struct list_head {
struct list_head *next, *prev;
};
+struct hlist_head {
+ struct hlist_node *first;
+};
+
+struct hlist_node {
+ struct hlist_node *next, **pprev;
+};
+
#endif /* LIST_TYPES_H */
--
GitLab
From 0a3128e75108cc23401aa5059b851ed047bfff0e Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:20 +0900
Subject: [PATCH 0584/2686] kconfig: add macros useful for hashtable
This is similar to include/linux/hashtable.h, but the implementation
has been simplified.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/hashtable.h | 48 +++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
create mode 100644 scripts/kconfig/hashtable.h
diff --git a/scripts/kconfig/hashtable.h b/scripts/kconfig/hashtable.h
new file mode 100644
index 0000000000000..a0a2c8f5f6397
--- /dev/null
+++ b/scripts/kconfig/hashtable.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef HASHTABLE_H
+#define HASHTABLE_H
+
+#include "array_size.h"
+#include "list.h"
+
+#define HASH_SIZE(name) (ARRAY_SIZE(name))
+
+#define HASHTABLE_DECLARE(name, size) struct hlist_head name[size]
+
+#define HASHTABLE_DEFINE(name, size) \
+ HASHTABLE_DECLARE(name, size) = \
+ { [0 ... ((size) - 1)] = HLIST_HEAD_INIT }
+
+#define hash_head(table, key) (&(table)[(key) % HASH_SIZE(table)])
+
+/**
+ * hash_add - add an object to a hashtable
+ * @table: hashtable to add to
+ * @node: the &struct hlist_node of the object to be added
+ * @key: the key of the object to be added
+ */
+#define hash_add(table, node, key) \
+ hlist_add_head(node, hash_head(table, key))
+
+/**
+ * hash_for_each - iterate over a hashtable
+ * @table: hashtable to iterate
+ * @obj: the type * to use as a loop cursor for each entry
+ * @member: the name of the hlist_node within the struct
+ */
+#define hash_for_each(table, obj, member) \
+ for (int _bkt = 0; _bkt < HASH_SIZE(table); _bkt++) \
+ hlist_for_each_entry(obj, &table[_bkt], member)
+
+/**
+ * hash_for_each_possible - iterate over all possible objects hashing to the
+ * same bucket
+ * @table: hashtable to iterate
+ * @obj: the type * to use as a loop cursor for each entry
+ * @member: the name of the hlist_node within the struct
+ * @key: the key of the objects to iterate over
+ */
+#define hash_for_each_possible(table, obj, member, key) \
+ hlist_for_each_entry(obj, hash_head(table, key), member)
+
+#endif /* HASHTABLE_H */
--
GitLab
From a6dac4002b88f0ad242ac20d9de86d11321ecf84 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:21 +0900
Subject: [PATCH 0585/2686] kconfig: move ARRAY_SIZE to a header
To use ARRAY_SIZE from other files, move it to its own header,
just like include/linux/array_size.h.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/array_size.h | 11 +++++++++++
scripts/kconfig/preprocess.c | 3 +--
2 files changed, 12 insertions(+), 2 deletions(-)
create mode 100644 scripts/kconfig/array_size.h
diff --git a/scripts/kconfig/array_size.h b/scripts/kconfig/array_size.h
new file mode 100644
index 0000000000000..26ba78d867d16
--- /dev/null
+++ b/scripts/kconfig/array_size.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ARRAY_SIZE_H
+#define ARRAY_SIZE_H
+
+/**
+ * ARRAY_SIZE - get the number of elements in array @arr
+ * @arr: array to be sized
+ */
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+#endif /* ARRAY_SIZE_H */
diff --git a/scripts/kconfig/preprocess.c b/scripts/kconfig/preprocess.c
index 69b806a6d8b7c..f0a4a218c4a51 100644
--- a/scripts/kconfig/preprocess.c
+++ b/scripts/kconfig/preprocess.c
@@ -9,13 +9,12 @@
#include <stdlib.h>
#include <string.h>
+#include "array_size.h"
#include "internal.h"
#include "list.h"
#include "lkc.h"
#include "preprocess.h"
-#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
-
static char *expand_string_with_args(const char *in, int argc, char *argv[]);
static char *expand_string(const char *in);
--
GitLab
From bb76cc45dcdfcd962a5994b8fe19ab74fc6c3c3a Mon Sep 17 00:00:00 2001
From: Matti Vaittinen <mazziesaccount@gmail.com>
Date: Mon, 12 Feb 2024 13:20:09 +0200
Subject: [PATCH 0586/2686] iio: gts-helper: Fix division loop
The loop based 64bit division may run for a long time when dividend is a
lot bigger than the divider. Replace the division loop by the
div64_u64() which implementation may be significantly faster.
Tested-by: Subhajit Ghosh <subhajit.ghosh@tweaklogic.com>
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Fixes: 38416c28e168 ("iio: light: Add gain-time-scale helpers")
Link: https://lore.kernel.org/r/Zcn-6e-0-nh2WcfU@drtxq0yyyyyyyyyyyyyby-3.rev.dnainternet.fi
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/industrialio-gts-helper.c | 15 +--------------
1 file changed, 1 insertion(+), 14 deletions(-)
diff --git a/drivers/iio/industrialio-gts-helper.c b/drivers/iio/industrialio-gts-helper.c
index 7653261d2dc2b..b51eb6cb766f3 100644
--- a/drivers/iio/industrialio-gts-helper.c
+++ b/drivers/iio/industrialio-gts-helper.c
@@ -34,24 +34,11 @@
static int iio_gts_get_gain(const u64 max, const u64 scale)
{
u64 full = max;
- int tmp = 1;
if (scale > full || !scale)
return -EINVAL;
- if (U64_MAX - full < scale) {
- /* Risk of overflow */
- if (full - scale < scale)
- return 1;
-
- full -= scale;
- tmp++;
- }
-
- while (full > scale * (u64)tmp)
- tmp++;
-
- return tmp;
+ return div64_u64(full, scale);
}
/**
--
GitLab
From 49bb3839e0153b1f48aaa8dd502ea66b8b56db8a Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Sat, 10 Feb 2024 21:57:13 +0100
Subject: [PATCH 0587/2686] dt-bindings: adc: ad9467: add new io-backend
property
The ad9467 will make use of the new IIO backend framework which is a
provider - consumer interface where IIO backends provide services to
consumers. As such, and being this device a consumer, add the new
generic io-backend property to the bindings.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240210-iio-backend-v11-1-f5242a5fb42a@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
Documentation/devicetree/bindings/iio/adc/adi,ad9467.yaml | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad9467.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad9467.yaml
index 7aa748d6b7a02..eecd5fbab6958 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad9467.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad9467.yaml
@@ -44,6 +44,9 @@ properties:
Pin that controls the powerdown mode of the device.
maxItems: 1
+ io-backends:
+ maxItems: 1
+
reset-gpios:
description:
Reset pin for the device.
@@ -68,6 +71,7 @@ examples:
reg = <0>;
clocks = <&adc_clk>;
clock-names = "adc-clk";
+ io-backends = <&iio_backend>;
};
};
...
--
GitLab
From a032b921bdeba2274866daafc8e791edd609eb13 Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Sat, 10 Feb 2024 21:57:14 +0100
Subject: [PATCH 0588/2686] dt-bindings: adc: axi-adc: update bindings for
backend framework
'adi,adc-dev' is now deprecated and must not be used anymore. Hence,
also remove it from being required.
The reason why it's being deprecated is because the axi-adc CORE is now
an IIO service provider hardware (IIO backends) for consumers to make use
of. Before, the logic with 'adi,adc-dev' was the opposite (it was kind
of consumer referencing other nodes/devices) and that proved to be wrong
and to not scale.
Now, IIO consumers of this hardware are expected to reference it using the
io-backends property. Hence, the new '#io-backend-cells' is being added
so the device is easily identified as a provider.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240210-iio-backend-v11-2-f5242a5fb42a@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../devicetree/bindings/iio/adc/adi,axi-adc.yaml | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml b/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml
index 9996dd93f84b2..3d49d21ad33df 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml
@@ -39,12 +39,15 @@ properties:
$ref: /schemas/types.yaml#/definitions/phandle
description:
A reference to a the actual ADC to which this FPGA ADC interfaces to.
+ deprecated: true
+
+ '#io-backend-cells':
+ const: 0
required:
- compatible
- dmas
- reg
- - adi,adc-dev
additionalProperties: false
@@ -55,7 +58,6 @@ examples:
reg = <0x44a00000 0x10000>;
dmas = <&rx_dma 0>;
dma-names = "rx";
-
- adi,adc-dev = <&spi_adc>;
+ #io-backend-cells = <0>;
};
...
--
GitLab
From 4b0b159a194f6f2dd967532951474c0b6bb2b456 Mon Sep 17 00:00:00 2001
From: Olivier Moysan <olivier.moysan@foss.st.com>
Date: Sat, 10 Feb 2024 21:57:15 +0100
Subject: [PATCH 0589/2686] of: property: add device link support for
io-backends
Add support for creating device links out of more DT properties.
Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240210-iio-backend-v11-3-f5242a5fb42a@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/of/property.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/of/property.c b/drivers/of/property.c
index 641a40cf5cf34..ec914e4516d7f 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1245,6 +1245,7 @@ DEFINE_SIMPLE_PROP(interconnects, "interconnects", "#interconnect-cells")
DEFINE_SIMPLE_PROP(iommus, "iommus", "#iommu-cells")
DEFINE_SIMPLE_PROP(mboxes, "mboxes", "#mbox-cells")
DEFINE_SIMPLE_PROP(io_channels, "io-channel", "#io-channel-cells")
+DEFINE_SIMPLE_PROP(io_backends, "io-backends", "#io-backend-cells")
DEFINE_SIMPLE_PROP(interrupt_parent, "interrupt-parent", NULL)
DEFINE_SIMPLE_PROP(dmas, "dmas", "#dma-cells")
DEFINE_SIMPLE_PROP(power_domains, "power-domains", "#power-domain-cells")
@@ -1335,6 +1336,7 @@ static const struct supplier_bindings of_supplier_bindings[] = {
{ .parse_prop = parse_iommu_maps, .optional = true, },
{ .parse_prop = parse_mboxes, },
{ .parse_prop = parse_io_channels, },
+ { .parse_prop = parse_io_backends, },
{ .parse_prop = parse_interrupt_parent, },
{ .parse_prop = parse_dmas, .optional = true, },
{ .parse_prop = parse_power_domains, },
--
GitLab
From 9c446288d7b31402adb454535cb2c3cbdb55bb88 Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Sat, 10 Feb 2024 21:57:16 +0100
Subject: [PATCH 0590/2686] iio: buffer-dmaengine: export buffer alloc and free
functions
Export iio_dmaengine_buffer_free() and iio_dmaengine_buffer_alloc().
This is in preparation of introducing IIO backends support. This will
allow us to allocate a buffer and control it's lifetime from a device
different from the one holding the DMA firmware properties. Effectively,
in this case the struct device holding the firmware information about
the DMA channels is not the same as iio_dev->dev.parent (typical case).
While at it, namespace the buffer-dmaengine exports and update the
current user of these buffers.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240210-iio-backend-v11-4-f5242a5fb42a@analog.com
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/adi-axi-adc.c | 1 +
drivers/iio/buffer/industrialio-buffer-dmaengine.c | 8 +++++---
include/linux/iio/buffer-dmaengine.h | 3 +++
3 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c
index c247ff1541d28..0f21d1d98b9fa 100644
--- a/drivers/iio/adc/adi-axi-adc.c
+++ b/drivers/iio/adc/adi-axi-adc.c
@@ -447,3 +447,4 @@ module_platform_driver(adi_axi_adc_driver);
MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
MODULE_DESCRIPTION("Analog Devices Generic AXI ADC IP core driver");
MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_DMAENGINE_BUFFER);
diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
index 45fe7d0d42ee0..a18c1da292af2 100644
--- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c
+++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
@@ -159,7 +159,7 @@ static const struct iio_dev_attr *iio_dmaengine_buffer_attrs[] = {
* Once done using the buffer iio_dmaengine_buffer_free() should be used to
* release it.
*/
-static struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
+struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
const char *channel)
{
struct dmaengine_buffer *dmaengine_buffer;
@@ -210,6 +210,7 @@ static struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
kfree(dmaengine_buffer);
return ERR_PTR(ret);
}
+EXPORT_SYMBOL_NS_GPL(iio_dmaengine_buffer_alloc, IIO_DMAENGINE_BUFFER);
/**
* iio_dmaengine_buffer_free() - Free dmaengine buffer
@@ -217,7 +218,7 @@ static struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
*
* Frees a buffer previously allocated with iio_dmaengine_buffer_alloc().
*/
-static void iio_dmaengine_buffer_free(struct iio_buffer *buffer)
+void iio_dmaengine_buffer_free(struct iio_buffer *buffer)
{
struct dmaengine_buffer *dmaengine_buffer =
iio_buffer_to_dmaengine_buffer(buffer);
@@ -227,6 +228,7 @@ static void iio_dmaengine_buffer_free(struct iio_buffer *buffer)
iio_buffer_put(buffer);
}
+EXPORT_SYMBOL_NS_GPL(iio_dmaengine_buffer_free, IIO_DMAENGINE_BUFFER);
static void __devm_iio_dmaengine_buffer_free(void *buffer)
{
@@ -287,7 +289,7 @@ int devm_iio_dmaengine_buffer_setup(struct device *dev,
return iio_device_attach_buffer(indio_dev, buffer);
}
-EXPORT_SYMBOL_GPL(devm_iio_dmaengine_buffer_setup);
+EXPORT_SYMBOL_NS_GPL(devm_iio_dmaengine_buffer_setup, IIO_DMAENGINE_BUFFER);
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_DESCRIPTION("DMA buffer for the IIO framework");
diff --git a/include/linux/iio/buffer-dmaengine.h b/include/linux/iio/buffer-dmaengine.h
index 5c355be898149..cbb8ba957fade 100644
--- a/include/linux/iio/buffer-dmaengine.h
+++ b/include/linux/iio/buffer-dmaengine.h
@@ -10,6 +10,9 @@
struct iio_dev;
struct device;
+struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
+ const char *channel);
+void iio_dmaengine_buffer_free(struct iio_buffer *buffer);
int devm_iio_dmaengine_buffer_setup(struct device *dev,
struct iio_dev *indio_dev,
const char *channel);
--
GitLab
From 1a97905d3e48ebe79a06d16143fbfa427c56ce5f Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Sat, 10 Feb 2024 21:57:17 +0100
Subject: [PATCH 0591/2686] iio: add the IIO backend framework
This is a Framework to handle complex IIO aggregate devices.
The typical architecture is to have one device as the frontend device which
can be "linked" against one or multiple backend devices. All the IIO and
userspace interface is expected to be registers/managed by the frontend
device which will callback into the backends when needed (to get/set
some configuration that it does not directly control).
The basic framework interface is pretty simple:
- Backends should register themselves with @devm_iio_backend_register()
- Frontend devices should get backends with @devm_iio_backend_get()
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240210-iio-backend-v11-5-f5242a5fb42a@analog.com
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
MAINTAINERS | 8 +
drivers/iio/Kconfig | 9 +
drivers/iio/Makefile | 1 +
drivers/iio/industrialio-backend.c | 418 +++++++++++++++++++++++++++++
include/linux/iio/backend.h | 72 +++++
5 files changed, 508 insertions(+)
create mode 100644 drivers/iio/industrialio-backend.c
create mode 100644 include/linux/iio/backend.h
diff --git a/MAINTAINERS b/MAINTAINERS
index bc1e236f21840..6add3fde252df 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10391,6 +10391,14 @@ L: linux-media@vger.kernel.org
S: Maintained
F: drivers/media/rc/iguanair.c
+IIO BACKEND FRAMEWORK
+M: Nuno Sa <nuno.sa@analog.com>
+R: Olivier Moysan <olivier.moysan@foss.st.com>
+L: linux-iio@vger.kernel.org
+S: Maintained
+F: drivers/iio/industrialio-backend.c
+F: include/linux/iio/backend.h
+
IIO DIGITAL POTENTIOMETER DAC
M: Peter Rosin <peda@axentia.se>
L: linux-iio@vger.kernel.org
diff --git a/drivers/iio/Kconfig b/drivers/iio/Kconfig
index 52eb46ef84c1b..9c351ffc7bed6 100644
--- a/drivers/iio/Kconfig
+++ b/drivers/iio/Kconfig
@@ -71,6 +71,15 @@ config IIO_TRIGGERED_EVENT
help
Provides helper functions for setting up triggered events.
+config IIO_BACKEND
+ tristate
+ help
+ Framework to handle complex IIO aggregate devices. The typical
+ architecture that can make use of this framework is to have one
+ device as the frontend device which can be "linked" against one or
+ multiple backend devices. The framework then makes it easy to get
+ and control such backend devices.
+
source "drivers/iio/accel/Kconfig"
source "drivers/iio/adc/Kconfig"
source "drivers/iio/addac/Kconfig"
diff --git a/drivers/iio/Makefile b/drivers/iio/Makefile
index 9622347a1c1be..0ba0e1521ba4f 100644
--- a/drivers/iio/Makefile
+++ b/drivers/iio/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_IIO_GTS_HELPER) += industrialio-gts-helper.o
obj-$(CONFIG_IIO_SW_DEVICE) += industrialio-sw-device.o
obj-$(CONFIG_IIO_SW_TRIGGER) += industrialio-sw-trigger.o
obj-$(CONFIG_IIO_TRIGGERED_EVENT) += industrialio-triggered-event.o
+obj-$(CONFIG_IIO_BACKEND) += industrialio-backend.o
obj-y += accel/
obj-y += adc/
diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-backend.c
new file mode 100644
index 0000000000000..2fea2bbbe47fd
--- /dev/null
+++ b/drivers/iio/industrialio-backend.c
@@ -0,0 +1,418 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Framework to handle complex IIO aggregate devices.
+ *
+ * The typical architecture is to have one device as the frontend device which
+ * can be "linked" against one or multiple backend devices. All the IIO and
+ * userspace interface is expected to be registers/managed by the frontend
+ * device which will callback into the backends when needed (to get/set some
+ * configuration that it does not directly control).
+ *
+ * -------------------------------------------------------
+ * ------------------ | ------------ ------------ ------- FPGA|
+ * | ADC |------------------------| | ADC CORE |---------| DMA CORE |------| RAM | |
+ * | (Frontend/IIO) | Serial Data (eg: LVDS) | |(backend) |---------| |------| | |
+ * | |------------------------| ------------ ------------ ------- |
+ * ------------------ -------------------------------------------------------
+ *
+ * The framework interface is pretty simple:
+ * - Backends should register themselves with devm_iio_backend_register()
+ * - Frontend devices should get backends with devm_iio_backend_get()
+ *
+ * Also to note that the primary target for this framework are converters like
+ * ADC/DACs so iio_backend_ops will have some operations typical of converter
+ * devices. On top of that, this is "generic" for all IIO which means any kind
+ * of device can make use of the framework. That said, If the iio_backend_ops
+ * struct begins to grow out of control, we can always refactor things so that
+ * the industrialio-backend.c is only left with the really generic stuff. Then,
+ * we can build on top of it depending on the needs.
+ *
+ * Copyright (C) 2023-2024 Analog Devices Inc.
+ */
+#define dev_fmt(fmt) "iio-backend: " fmt
+
+#include <linux/cleanup.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/property.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#include <linux/iio/backend.h>
+
+struct iio_backend {
+ struct list_head entry;
+ const struct iio_backend_ops *ops;
+ struct device *dev;
+ struct module *owner;
+ void *priv;
+};
+
+/*
+ * Helper struct for requesting buffers. This ensures that we have all data
+ * that we need to free the buffer in a device managed action.
+ */
+struct iio_backend_buffer_pair {
+ struct iio_backend *back;
+ struct iio_buffer *buffer;
+};
+
+static LIST_HEAD(iio_back_list);
+static DEFINE_MUTEX(iio_back_lock);
+
+/*
+ * Helper macros to call backend ops. Makes sure the option is supported.
+ */
+#define iio_backend_check_op(back, op) ({ \
+ struct iio_backend *____back = back; \
+ int ____ret = 0; \
+ \
+ if (!____back->ops->op) \
+ ____ret = -EOPNOTSUPP; \
+ \
+ ____ret; \
+})
+
+#define iio_backend_op_call(back, op, args...) ({ \
+ struct iio_backend *__back = back; \
+ int __ret; \
+ \
+ __ret = iio_backend_check_op(__back, op); \
+ if (!__ret) \
+ __ret = __back->ops->op(__back, ##args); \
+ \
+ __ret; \
+})
+
+#define iio_backend_ptr_op_call(back, op, args...) ({ \
+ struct iio_backend *__back = back; \
+ void *ptr_err; \
+ int __ret; \
+ \
+ __ret = iio_backend_check_op(__back, op); \
+ if (__ret) \
+ ptr_err = ERR_PTR(__ret); \
+ else \
+ ptr_err = __back->ops->op(__back, ##args); \
+ \
+ ptr_err; \
+})
+
+#define iio_backend_void_op_call(back, op, args...) { \
+ struct iio_backend *__back = back; \
+ int __ret; \
+ \
+ __ret = iio_backend_check_op(__back, op); \
+ if (!__ret) \
+ __back->ops->op(__back, ##args); \
+}
+
+/**
+ * iio_backend_chan_enable - Enable a backend channel
+ * @back: Backend device
+ * @chan: Channel number
+ *
+ * RETURNS:
+ * 0 on success, negative error number on failure.
+ */
+int iio_backend_chan_enable(struct iio_backend *back, unsigned int chan)
+{
+ return iio_backend_op_call(back, chan_enable, chan);
+}
+EXPORT_SYMBOL_NS_GPL(iio_backend_chan_enable, IIO_BACKEND);
+
+/**
+ * iio_backend_chan_disable - Disable a backend channel
+ * @back: Backend device
+ * @chan: Channel number
+ *
+ * RETURNS:
+ * 0 on success, negative error number on failure.
+ */
+int iio_backend_chan_disable(struct iio_backend *back, unsigned int chan)
+{
+ return iio_backend_op_call(back, chan_disable, chan);
+}
+EXPORT_SYMBOL_NS_GPL(iio_backend_chan_disable, IIO_BACKEND);
+
+static void __iio_backend_disable(void *back)
+{
+ iio_backend_void_op_call(back, disable);
+}
+
+/**
+ * devm_iio_backend_enable - Device managed backend enable
+ * @dev: Consumer device for the backend
+ * @back: Backend device
+ *
+ * RETURNS:
+ * 0 on success, negative error number on failure.
+ */
+int devm_iio_backend_enable(struct device *dev, struct iio_backend *back)
+{
+ int ret;
+
+ ret = iio_backend_op_call(back, enable);
+ if (ret)
+ return ret;
+
+ return devm_add_action_or_reset(dev, __iio_backend_disable, back);
+}
+EXPORT_SYMBOL_NS_GPL(devm_iio_backend_enable, IIO_BACKEND);
+
+/**
+ * iio_backend_data_format_set - Configure the channel data format
+ * @back: Backend device
+ * @chan: Channel number
+ * @data: Data format
+ *
+ * Properly configure a channel with respect to the expected data format. A
+ * @struct iio_backend_data_fmt must be passed with the settings.
+ *
+ * RETURNS:
+ * 0 on success, negative error number on failure.
+ */
+int iio_backend_data_format_set(struct iio_backend *back, unsigned int chan,
+ const struct iio_backend_data_fmt *data)
+{
+ if (!data || data->type >= IIO_BACKEND_DATA_TYPE_MAX)
+ return -EINVAL;
+
+ return iio_backend_op_call(back, data_format_set, chan, data);
+}
+EXPORT_SYMBOL_NS_GPL(iio_backend_data_format_set, IIO_BACKEND);
+
+static void iio_backend_free_buffer(void *arg)
+{
+ struct iio_backend_buffer_pair *pair = arg;
+
+ iio_backend_void_op_call(pair->back, free_buffer, pair->buffer);
+}
+
+/**
+ * devm_iio_backend_request_buffer - Device managed buffer request
+ * @dev: Consumer device for the backend
+ * @back: Backend device
+ * @indio_dev: IIO device
+ *
+ * Request an IIO buffer from the backend. The type of the buffer (typically
+ * INDIO_BUFFER_HARDWARE) is up to the backend to decide. This is because,
+ * normally, the backend dictates what kind of buffering we can get.
+ *
+ * The backend .free_buffer() hooks is automatically called on @dev detach.
+ *
+ * RETURNS:
+ * 0 on success, negative error number on failure.
+ */
+int devm_iio_backend_request_buffer(struct device *dev,
+ struct iio_backend *back,
+ struct iio_dev *indio_dev)
+{
+ struct iio_backend_buffer_pair *pair;
+ struct iio_buffer *buffer;
+
+ pair = devm_kzalloc(dev, sizeof(*pair), GFP_KERNEL);
+ if (!pair)
+ return -ENOMEM;
+
+ buffer = iio_backend_ptr_op_call(back, request_buffer, indio_dev);
+ if (IS_ERR(buffer))
+ return PTR_ERR(buffer);
+
+ /* weak reference should be all what we need */
+ pair->back = back;
+ pair->buffer = buffer;
+
+ return devm_add_action_or_reset(dev, iio_backend_free_buffer, pair);
+}
+EXPORT_SYMBOL_NS_GPL(devm_iio_backend_request_buffer, IIO_BACKEND);
+
+static void iio_backend_release(void *arg)
+{
+ struct iio_backend *back = arg;
+
+ module_put(back->owner);
+}
+
+static int __devm_iio_backend_get(struct device *dev, struct iio_backend *back)
+{
+ struct device_link *link;
+ int ret;
+
+ /*
+ * Make sure the provider cannot be unloaded before the consumer module.
+ * Note that device_links would still guarantee that nothing is
+ * accessible (and breaks) but this makes it explicit that the consumer
+ * module must be also unloaded.
+ */
+ if (!try_module_get(back->owner))
+ return dev_err_probe(dev, -ENODEV,
+ "Cannot get module reference\n");
+
+ ret = devm_add_action_or_reset(dev, iio_backend_release, back);
+ if (ret)
+ return ret;
+
+ link = device_link_add(dev, back->dev, DL_FLAG_AUTOREMOVE_CONSUMER);
+ if (!link)
+ return dev_err_probe(dev, -EINVAL,
+ "Could not link to supplier(%s)\n",
+ dev_name(back->dev));
+
+ dev_dbg(dev, "Found backend(%s) device\n", dev_name(back->dev));
+
+ return 0;
+}
+
+/**
+ * devm_iio_backend_get - Device managed backend device get
+ * @dev: Consumer device for the backend
+ * @name: Backend name
+ *
+ * Get's the backend associated with @dev.
+ *
+ * RETURNS:
+ * A backend pointer, negative error pointer otherwise.
+ */
+struct iio_backend *devm_iio_backend_get(struct device *dev, const char *name)
+{
+ struct fwnode_handle *fwnode;
+ struct iio_backend *back;
+ unsigned int index;
+ int ret;
+
+ if (name) {
+ ret = device_property_match_string(dev, "io-backend-names",
+ name);
+ if (ret < 0)
+ return ERR_PTR(ret);
+ index = ret;
+ } else {
+ index = 0;
+ }
+
+ fwnode = fwnode_find_reference(dev_fwnode(dev), "io-backends", index);
+ if (IS_ERR(fwnode)) {
+ dev_err_probe(dev, PTR_ERR(fwnode),
+ "Cannot get Firmware reference\n");
+ return ERR_CAST(fwnode);
+ }
+
+ guard(mutex)(&iio_back_lock);
+ list_for_each_entry(back, &iio_back_list, entry) {
+ if (!device_match_fwnode(back->dev, fwnode))
+ continue;
+
+ fwnode_handle_put(fwnode);
+ ret = __devm_iio_backend_get(dev, back);
+ if (ret)
+ return ERR_PTR(ret);
+
+ return back;
+ }
+
+ fwnode_handle_put(fwnode);
+ return ERR_PTR(-EPROBE_DEFER);
+}
+EXPORT_SYMBOL_NS_GPL(devm_iio_backend_get, IIO_BACKEND);
+
+/**
+ * __devm_iio_backend_get_from_fwnode_lookup - Device managed fwnode backend device get
+ * @dev: Consumer device for the backend
+ * @fwnode: Firmware node of the backend device
+ *
+ * Search the backend list for a device matching @fwnode.
+ * This API should not be used and it's only present for preventing the first
+ * user of this framework to break it's DT ABI.
+ *
+ * RETURNS:
+ * A backend pointer, negative error pointer otherwise.
+ */
+struct iio_backend *
+__devm_iio_backend_get_from_fwnode_lookup(struct device *dev,
+ struct fwnode_handle *fwnode)
+{
+ struct iio_backend *back;
+ int ret;
+
+ guard(mutex)(&iio_back_lock);
+ list_for_each_entry(back, &iio_back_list, entry) {
+ if (!device_match_fwnode(back->dev, fwnode))
+ continue;
+
+ ret = __devm_iio_backend_get(dev, back);
+ if (ret)
+ return ERR_PTR(ret);
+
+ return back;
+ }
+
+ return ERR_PTR(-EPROBE_DEFER);
+}
+EXPORT_SYMBOL_NS_GPL(__devm_iio_backend_get_from_fwnode_lookup, IIO_BACKEND);
+
+/**
+ * iio_backend_get_priv - Get driver private data
+ * @back: Backend device
+ */
+void *iio_backend_get_priv(const struct iio_backend *back)
+{
+ return back->priv;
+}
+EXPORT_SYMBOL_NS_GPL(iio_backend_get_priv, IIO_BACKEND);
+
+static void iio_backend_unregister(void *arg)
+{
+ struct iio_backend *back = arg;
+
+ guard(mutex)(&iio_back_lock);
+ list_del(&back->entry);
+}
+
+/**
+ * devm_iio_backend_register - Device managed backend device register
+ * @dev: Backend device being registered
+ * @ops: Backend ops
+ * @priv: Device private data
+ *
+ * @ops is mandatory. Not providing it results in -EINVAL.
+ *
+ * RETURNS:
+ * 0 on success, negative error number on failure.
+ */
+int devm_iio_backend_register(struct device *dev,
+ const struct iio_backend_ops *ops, void *priv)
+{
+ struct iio_backend *back;
+
+ if (!ops)
+ return dev_err_probe(dev, -EINVAL, "No backend ops given\n");
+
+ /*
+ * Through device_links, we guarantee that a frontend device cannot be
+ * bound/exist if the backend driver is not around. Hence, we can bind
+ * the backend object lifetime with the device being passed since
+ * removing it will tear the frontend/consumer down.
+ */
+ back = devm_kzalloc(dev, sizeof(*back), GFP_KERNEL);
+ if (!back)
+ return -ENOMEM;
+
+ back->ops = ops;
+ back->owner = dev->driver->owner;
+ back->dev = dev;
+ back->priv = priv;
+ scoped_guard(mutex, &iio_back_lock)
+ list_add(&back->entry, &iio_back_list);
+
+ return devm_add_action_or_reset(dev, iio_backend_unregister, back);
+}
+EXPORT_SYMBOL_NS_GPL(devm_iio_backend_register, IIO_BACKEND);
+
+MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>");
+MODULE_DESCRIPTION("Framework to handle complex IIO aggregate devices");
+MODULE_LICENSE("GPL");
diff --git a/include/linux/iio/backend.h b/include/linux/iio/backend.h
new file mode 100644
index 0000000000000..a6d79381866ec
--- /dev/null
+++ b/include/linux/iio/backend.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _IIO_BACKEND_H_
+#define _IIO_BACKEND_H_
+
+#include <linux/types.h>
+
+struct fwnode_handle;
+struct iio_backend;
+struct device;
+struct iio_dev;
+
+enum iio_backend_data_type {
+ IIO_BACKEND_TWOS_COMPLEMENT,
+ IIO_BACKEND_OFFSET_BINARY,
+ IIO_BACKEND_DATA_TYPE_MAX
+};
+
+/**
+ * struct iio_backend_data_fmt - Backend data format
+ * @type: Data type.
+ * @sign_extend: Bool to tell if the data is sign extended.
+ * @enable: Enable/Disable the data format module. If disabled,
+ * not formatting will happen.
+ */
+struct iio_backend_data_fmt {
+ enum iio_backend_data_type type;
+ bool sign_extend;
+ bool enable;
+};
+
+/**
+ * struct iio_backend_ops - operations structure for an iio_backend
+ * @enable: Enable backend.
+ * @disable: Disable backend.
+ * @chan_enable: Enable one channel.
+ * @chan_disable: Disable one channel.
+ * @data_format_set: Configure the data format for a specific channel.
+ * @request_buffer: Request an IIO buffer.
+ * @free_buffer: Free an IIO buffer.
+ **/
+struct iio_backend_ops {
+ int (*enable)(struct iio_backend *back);
+ void (*disable)(struct iio_backend *back);
+ int (*chan_enable)(struct iio_backend *back, unsigned int chan);
+ int (*chan_disable)(struct iio_backend *back, unsigned int chan);
+ int (*data_format_set)(struct iio_backend *back, unsigned int chan,
+ const struct iio_backend_data_fmt *data);
+ struct iio_buffer *(*request_buffer)(struct iio_backend *back,
+ struct iio_dev *indio_dev);
+ void (*free_buffer)(struct iio_backend *back,
+ struct iio_buffer *buffer);
+};
+
+int iio_backend_chan_enable(struct iio_backend *back, unsigned int chan);
+int iio_backend_chan_disable(struct iio_backend *back, unsigned int chan);
+int devm_iio_backend_enable(struct device *dev, struct iio_backend *back);
+int iio_backend_data_format_set(struct iio_backend *back, unsigned int chan,
+ const struct iio_backend_data_fmt *data);
+int devm_iio_backend_request_buffer(struct device *dev,
+ struct iio_backend *back,
+ struct iio_dev *indio_dev);
+
+void *iio_backend_get_priv(const struct iio_backend *conv);
+struct iio_backend *devm_iio_backend_get(struct device *dev, const char *name);
+struct iio_backend *
+__devm_iio_backend_get_from_fwnode_lookup(struct device *dev,
+ struct fwnode_handle *fwnode);
+
+int devm_iio_backend_register(struct device *dev,
+ const struct iio_backend_ops *ops, void *priv);
+
+#endif
--
GitLab
From bb42191f85c389bf816373d25c3e4c94045cf4ff Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Sat, 10 Feb 2024 21:57:18 +0100
Subject: [PATCH 0592/2686] iio: adc: ad9467: convert to backend framework
Convert the driver to use the new IIO backend framework. The device
functionality is expected to be the same (meaning no added or removed
features).
Also note this patch effectively breaks ABI and that's needed so we can
properly support this device and add needed features making use of the
new IIO framework.
Given the lack of features (and devices supported) in the ad9467 driver
compared with the ADI out of tree version, we don't expect any user of
the upstream driver so no one should notice the ABI breakage. However,
if someone is affected by this, ADI will happily support transitioning
to the backend framework.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240210-iio-backend-v11-6-f5242a5fb42a@analog.com
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/Kconfig | 2 +-
drivers/iio/adc/ad9467.c | 267 ++++++++++++++++++++++++++-------------
2 files changed, 178 insertions(+), 91 deletions(-)
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 3b73c509bd68e..6793faacb4dca 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -291,7 +291,7 @@ config AD799X
config AD9467
tristate "Analog Devices AD9467 High Speed ADC driver"
depends on SPI
- depends on ADI_AXI_ADC
+ select IIO_BACKEND
help
Say yes here to build support for Analog Devices:
* AD9467 16-Bit, 200 MSPS/250 MSPS Analog-to-Digital Converter
diff --git a/drivers/iio/adc/ad9467.c b/drivers/iio/adc/ad9467.c
index 6581fce4ba959..7475ec2a56c72 100644
--- a/drivers/iio/adc/ad9467.c
+++ b/drivers/iio/adc/ad9467.c
@@ -17,13 +17,12 @@
#include <linux/of.h>
+#include <linux/iio/backend.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/clk.h>
-#include <linux/iio/adc/adi-axi-adc.h>
-
/*
* ADI High-Speed ADC common spi interface registers
* See Application-Note AN-877:
@@ -102,15 +101,20 @@
#define AD9467_REG_VREF_MASK 0x0F
struct ad9467_chip_info {
- struct adi_axi_adc_chip_info axi_adc_info;
- unsigned int default_output_mode;
- unsigned int vref_mask;
+ const char *name;
+ unsigned int id;
+ const struct iio_chan_spec *channels;
+ unsigned int num_channels;
+ const unsigned int (*scale_table)[2];
+ int num_scales;
+ unsigned long max_rate;
+ unsigned int default_output_mode;
+ unsigned int vref_mask;
};
-#define to_ad9467_chip_info(_info) \
- container_of(_info, struct ad9467_chip_info, axi_adc_info)
-
struct ad9467_state {
+ const struct ad9467_chip_info *info;
+ struct iio_backend *back;
struct spi_device *spi;
struct clk *clk;
unsigned int output_mode;
@@ -151,10 +155,10 @@ static int ad9467_spi_write(struct spi_device *spi, unsigned int reg,
return spi_write(spi, buf, ARRAY_SIZE(buf));
}
-static int ad9467_reg_access(struct adi_axi_adc_conv *conv, unsigned int reg,
+static int ad9467_reg_access(struct iio_dev *indio_dev, unsigned int reg,
unsigned int writeval, unsigned int *readval)
{
- struct ad9467_state *st = adi_axi_adc_conv_priv(conv);
+ struct ad9467_state *st = iio_priv(indio_dev);
struct spi_device *spi = st->spi;
int ret;
@@ -191,10 +195,10 @@ static const unsigned int ad9467_scale_table[][2] = {
{2300, 8}, {2400, 9}, {2500, 10},
};
-static void __ad9467_get_scale(struct adi_axi_adc_conv *conv, int index,
+static void __ad9467_get_scale(struct ad9467_state *st, int index,
unsigned int *val, unsigned int *val2)
{
- const struct adi_axi_adc_chip_info *info = conv->chip_info;
+ const struct ad9467_chip_info *info = st->info;
const struct iio_chan_spec *chan = &info->channels[0];
unsigned int tmp;
@@ -229,52 +233,44 @@ static const struct iio_chan_spec ad9467_channels[] = {
};
static const struct ad9467_chip_info ad9467_chip_tbl = {
- .axi_adc_info = {
- .name = "ad9467",
- .id = CHIPID_AD9467,
- .max_rate = 250000000UL,
- .scale_table = ad9467_scale_table,
- .num_scales = ARRAY_SIZE(ad9467_scale_table),
- .channels = ad9467_channels,
- .num_channels = ARRAY_SIZE(ad9467_channels),
- },
+ .name = "ad9467",
+ .id = CHIPID_AD9467,
+ .max_rate = 250000000UL,
+ .scale_table = ad9467_scale_table,
+ .num_scales = ARRAY_SIZE(ad9467_scale_table),
+ .channels = ad9467_channels,
+ .num_channels = ARRAY_SIZE(ad9467_channels),
.default_output_mode = AD9467_DEF_OUTPUT_MODE,
.vref_mask = AD9467_REG_VREF_MASK,
};
static const struct ad9467_chip_info ad9434_chip_tbl = {
- .axi_adc_info = {
- .name = "ad9434",
- .id = CHIPID_AD9434,
- .max_rate = 500000000UL,
- .scale_table = ad9434_scale_table,
- .num_scales = ARRAY_SIZE(ad9434_scale_table),
- .channels = ad9434_channels,
- .num_channels = ARRAY_SIZE(ad9434_channels),
- },
+ .name = "ad9434",
+ .id = CHIPID_AD9434,
+ .max_rate = 500000000UL,
+ .scale_table = ad9434_scale_table,
+ .num_scales = ARRAY_SIZE(ad9434_scale_table),
+ .channels = ad9434_channels,
+ .num_channels = ARRAY_SIZE(ad9434_channels),
.default_output_mode = AD9434_DEF_OUTPUT_MODE,
.vref_mask = AD9434_REG_VREF_MASK,
};
static const struct ad9467_chip_info ad9265_chip_tbl = {
- .axi_adc_info = {
- .name = "ad9265",
- .id = CHIPID_AD9265,
- .max_rate = 125000000UL,
- .scale_table = ad9265_scale_table,
- .num_scales = ARRAY_SIZE(ad9265_scale_table),
- .channels = ad9467_channels,
- .num_channels = ARRAY_SIZE(ad9467_channels),
- },
+ .name = "ad9265",
+ .id = CHIPID_AD9265,
+ .max_rate = 125000000UL,
+ .scale_table = ad9265_scale_table,
+ .num_scales = ARRAY_SIZE(ad9265_scale_table),
+ .channels = ad9467_channels,
+ .num_channels = ARRAY_SIZE(ad9467_channels),
.default_output_mode = AD9265_DEF_OUTPUT_MODE,
.vref_mask = AD9265_REG_VREF_MASK,
};
-static int ad9467_get_scale(struct adi_axi_adc_conv *conv, int *val, int *val2)
+static int ad9467_get_scale(struct ad9467_state *st, int *val, int *val2)
{
- const struct adi_axi_adc_chip_info *info = conv->chip_info;
- const struct ad9467_chip_info *info1 = to_ad9467_chip_info(info);
- struct ad9467_state *st = adi_axi_adc_conv_priv(conv);
+ const struct ad9467_chip_info *info = st->info;
unsigned int i, vref_val;
int ret;
@@ -282,7 +278,7 @@ static int ad9467_get_scale(struct adi_axi_adc_conv *conv, int *val, int *val2)
if (ret < 0)
return ret;
- vref_val = ret & info1->vref_mask;
+ vref_val = ret & info->vref_mask;
for (i = 0; i < info->num_scales; i++) {
if (vref_val == info->scale_table[i][1])
@@ -292,15 +288,14 @@ static int ad9467_get_scale(struct adi_axi_adc_conv *conv, int *val, int *val2)
if (i == info->num_scales)
return -ERANGE;
- __ad9467_get_scale(conv, i, val, val2);
+ __ad9467_get_scale(st, i, val, val2);
return IIO_VAL_INT_PLUS_MICRO;
}
-static int ad9467_set_scale(struct adi_axi_adc_conv *conv, int val, int val2)
+static int ad9467_set_scale(struct ad9467_state *st, int val, int val2)
{
- const struct adi_axi_adc_chip_info *info = conv->chip_info;
- struct ad9467_state *st = adi_axi_adc_conv_priv(conv);
+ const struct ad9467_chip_info *info = st->info;
unsigned int scale_val[2];
unsigned int i;
int ret;
@@ -309,7 +304,7 @@ static int ad9467_set_scale(struct adi_axi_adc_conv *conv, int val, int val2)
return -EINVAL;
for (i = 0; i < info->num_scales; i++) {
- __ad9467_get_scale(conv, i, &scale_val[0], &scale_val[1]);
+ __ad9467_get_scale(st, i, &scale_val[0], &scale_val[1]);
if (scale_val[0] != val || scale_val[1] != val2)
continue;
@@ -326,15 +321,15 @@ static int ad9467_set_scale(struct adi_axi_adc_conv *conv, int val, int val2)
return -EINVAL;
}
-static int ad9467_read_raw(struct adi_axi_adc_conv *conv,
+static int ad9467_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val, int *val2, long m)
{
- struct ad9467_state *st = adi_axi_adc_conv_priv(conv);
+ struct ad9467_state *st = iio_priv(indio_dev);
switch (m) {
case IIO_CHAN_INFO_SCALE:
- return ad9467_get_scale(conv, val, val2);
+ return ad9467_get_scale(st, val, val2);
case IIO_CHAN_INFO_SAMP_FREQ:
*val = clk_get_rate(st->clk);
@@ -344,17 +339,17 @@ static int ad9467_read_raw(struct adi_axi_adc_conv *conv,
}
}
-static int ad9467_write_raw(struct adi_axi_adc_conv *conv,
+static int ad9467_write_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int val, int val2, long mask)
{
- const struct adi_axi_adc_chip_info *info = conv->chip_info;
- struct ad9467_state *st = adi_axi_adc_conv_priv(conv);
+ struct ad9467_state *st = iio_priv(indio_dev);
+ const struct ad9467_chip_info *info = st->info;
long r_clk;
switch (mask) {
case IIO_CHAN_INFO_SCALE:
- return ad9467_set_scale(conv, val, val2);
+ return ad9467_set_scale(st, val, val2);
case IIO_CHAN_INFO_SAMP_FREQ:
r_clk = clk_round_rate(st->clk, val);
if (r_clk < 0 || r_clk > info->max_rate) {
@@ -369,13 +364,13 @@ static int ad9467_write_raw(struct adi_axi_adc_conv *conv,
}
}
-static int ad9467_read_avail(struct adi_axi_adc_conv *conv,
+static int ad9467_read_avail(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
const int **vals, int *type, int *length,
long mask)
{
- const struct adi_axi_adc_chip_info *info = conv->chip_info;
- struct ad9467_state *st = adi_axi_adc_conv_priv(conv);
+ struct ad9467_state *st = iio_priv(indio_dev);
+ const struct ad9467_chip_info *info = st->info;
switch (mask) {
case IIO_CHAN_INFO_SCALE:
@@ -389,6 +384,33 @@ static int ad9467_read_avail(struct adi_axi_adc_conv *conv,
}
}
+static int ad9467_update_scan_mode(struct iio_dev *indio_dev,
+ const unsigned long *scan_mask)
+{
+ struct ad9467_state *st = iio_priv(indio_dev);
+ unsigned int c;
+ int ret;
+
+ for (c = 0; c < st->info->num_channels; c++) {
+ if (test_bit(c, scan_mask))
+ ret = iio_backend_chan_enable(st->back, c);
+ else
+ ret = iio_backend_chan_disable(st->back, c);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct iio_info ad9467_info = {
+ .read_raw = ad9467_read_raw,
+ .write_raw = ad9467_write_raw,
+ .update_scan_mode = ad9467_update_scan_mode,
+ .debugfs_reg_access = ad9467_reg_access,
+ .read_avail = ad9467_read_avail,
+};
+
static int ad9467_outputmode_set(struct spi_device *spi, unsigned int mode)
{
int ret;
@@ -401,10 +423,9 @@ static int ad9467_outputmode_set(struct spi_device *spi, unsigned int mode)
AN877_ADC_TRANSFER_SYNC);
}
-static int ad9467_scale_fill(struct adi_axi_adc_conv *conv)
+static int ad9467_scale_fill(struct ad9467_state *st)
{
- const struct adi_axi_adc_chip_info *info = conv->chip_info;
- struct ad9467_state *st = adi_axi_adc_conv_priv(conv);
+ const struct ad9467_chip_info *info = st->info;
unsigned int i, val1, val2;
st->scales = devm_kmalloc_array(&st->spi->dev, info->num_scales,
@@ -413,7 +434,7 @@ static int ad9467_scale_fill(struct adi_axi_adc_conv *conv)
return -ENOMEM;
for (i = 0; i < info->num_scales; i++) {
- __ad9467_get_scale(conv, i, &val1, &val2);
+ __ad9467_get_scale(st, i, &val1, &val2);
st->scales[i][0] = val1;
st->scales[i][1] = val2;
}
@@ -421,11 +442,27 @@ static int ad9467_scale_fill(struct adi_axi_adc_conv *conv)
return 0;
}
-static int ad9467_preenable_setup(struct adi_axi_adc_conv *conv)
+static int ad9467_setup(struct ad9467_state *st)
{
- struct ad9467_state *st = adi_axi_adc_conv_priv(conv);
+ struct iio_backend_data_fmt data = {
+ .sign_extend = true,
+ .enable = true,
+ };
+ unsigned int c, mode;
+ int ret;
+
+ mode = st->info->default_output_mode | AN877_ADC_OUTPUT_MODE_TWOS_COMPLEMENT;
+ ret = ad9467_outputmode_set(st->spi, mode);
+ if (ret)
+ return ret;
- return ad9467_outputmode_set(st->spi, st->output_mode);
+ for (c = 0; c < st->info->num_channels; c++) {
+ ret = iio_backend_data_format_set(st->back, c, &data);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
}
static int ad9467_reset(struct device *dev)
@@ -443,25 +480,65 @@ static int ad9467_reset(struct device *dev)
return 0;
}
+static int ad9467_iio_backend_get(struct ad9467_state *st)
+{
+ struct device *dev = &st->spi->dev;
+ struct device_node *__back;
+
+ st->back = devm_iio_backend_get(dev, NULL);
+ if (!IS_ERR(st->back))
+ return 0;
+ /* If not found, don't error out as we might have legacy DT property */
+ if (PTR_ERR(st->back) != -ENOENT)
+ return PTR_ERR(st->back);
+
+ /*
+ * if we don't get the backend using the normal API's, use the legacy
+ * 'adi,adc-dev' property. So we get all nodes with that property, and
+ * look for the one pointing at us. Then we directly lookup that fwnode
+ * on the backend list of registered devices. This is done so we don't
+ * make io-backends mandatory which would break DT ABI.
+ */
+ for_each_node_with_property(__back, "adi,adc-dev") {
+ struct device_node *__me;
+
+ __me = of_parse_phandle(__back, "adi,adc-dev", 0);
+ if (!__me)
+ continue;
+
+ if (!device_match_of_node(dev, __me)) {
+ of_node_put(__me);
+ continue;
+ }
+
+ of_node_put(__me);
+ st->back = __devm_iio_backend_get_from_fwnode_lookup(dev,
+ of_fwnode_handle(__back));
+ of_node_put(__back);
+ return PTR_ERR_OR_ZERO(st->back);
+ }
+
+ return -ENODEV;
+}
+
static int ad9467_probe(struct spi_device *spi)
{
- const struct ad9467_chip_info *info;
- struct adi_axi_adc_conv *conv;
+ struct iio_dev *indio_dev;
struct ad9467_state *st;
unsigned int id;
int ret;
- info = spi_get_device_match_data(spi);
- if (!info)
- return -ENODEV;
-
- conv = devm_adi_axi_adc_conv_register(&spi->dev, sizeof(*st));
- if (IS_ERR(conv))
- return PTR_ERR(conv);
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+ if (!indio_dev)
+ return -ENOMEM;
- st = adi_axi_adc_conv_priv(conv);
+ st = iio_priv(indio_dev);
st->spi = spi;
+ st->info = spi_get_device_match_data(spi);
+ if (!st->info)
+ return -ENODEV;
+
st->clk = devm_clk_get_enabled(&spi->dev, "adc-clk");
if (IS_ERR(st->clk))
return PTR_ERR(st->clk);
@@ -475,29 +552,39 @@ static int ad9467_probe(struct spi_device *spi)
if (ret)
return ret;
- conv->chip_info = &info->axi_adc_info;
-
- ret = ad9467_scale_fill(conv);
+ ret = ad9467_scale_fill(st);
if (ret)
return ret;
id = ad9467_spi_read(spi, AN877_ADC_REG_CHIP_ID);
- if (id != conv->chip_info->id) {
+ if (id != st->info->id) {
dev_err(&spi->dev, "Mismatch CHIP_ID, got 0x%X, expected 0x%X\n",
- id, conv->chip_info->id);
+ id, st->info->id);
return -ENODEV;
}
- conv->reg_access = ad9467_reg_access;
- conv->write_raw = ad9467_write_raw;
- conv->read_raw = ad9467_read_raw;
- conv->read_avail = ad9467_read_avail;
- conv->preenable_setup = ad9467_preenable_setup;
+ indio_dev->name = st->info->name;
+ indio_dev->channels = st->info->channels;
+ indio_dev->num_channels = st->info->num_channels;
+ indio_dev->info = &ad9467_info;
- st->output_mode = info->default_output_mode |
- AN877_ADC_OUTPUT_MODE_TWOS_COMPLEMENT;
+ ret = ad9467_iio_backend_get(st);
+ if (ret)
+ return ret;
- return 0;
+ ret = devm_iio_backend_request_buffer(&spi->dev, st->back, indio_dev);
+ if (ret)
+ return ret;
+
+ ret = devm_iio_backend_enable(&spi->dev, st->back);
+ if (ret)
+ return ret;
+
+ ret = ad9467_setup(st);
+ if (ret)
+ return ret;
+
+ return devm_iio_device_register(&spi->dev, indio_dev);
}
static const struct of_device_id ad9467_of_match[] = {
@@ -529,4 +616,4 @@ module_spi_driver(ad9467_driver);
MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
MODULE_DESCRIPTION("Analog Devices AD9467 ADC driver");
MODULE_LICENSE("GPL v2");
-MODULE_IMPORT_NS(IIO_ADI_AXI);
+MODULE_IMPORT_NS(IIO_BACKEND);
--
GitLab
From 794ef0e57854d794173c8ab6bcce3285032dcd95 Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Sat, 10 Feb 2024 21:57:19 +0100
Subject: [PATCH 0593/2686] iio: adc: adi-axi-adc: move to backend framework
Move to the IIO backend framework. Devices supported by adi-axi-adc now
register themselves as backend devices.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240210-iio-backend-v11-7-f5242a5fb42a@analog.com
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/Kconfig | 2 +-
drivers/iio/adc/adi-axi-adc.c | 384 +++++++---------------------
include/linux/iio/adc/adi-axi-adc.h | 68 -----
3 files changed, 96 insertions(+), 358 deletions(-)
delete mode 100644 include/linux/iio/adc/adi-axi-adc.h
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 6793faacb4dca..02a55809cb6ab 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -309,7 +309,7 @@ config ADI_AXI_ADC
select IIO_BUFFER_HW_CONSUMER
select IIO_BUFFER_DMAENGINE
select REGMAP_MMIO
- depends on OF
+ select IIO_BACKEND
help
Say yes here to build support for Analog Devices Generic
AXI ADC IP core. The IP core is used for interfacing with
diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c
index 0f21d1d98b9fa..4156639b3c8bd 100644
--- a/drivers/iio/adc/adi-axi-adc.c
+++ b/drivers/iio/adc/adi-axi-adc.c
@@ -8,6 +8,7 @@
#include <linux/bitfield.h>
#include <linux/clk.h>
+#include <linux/err.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/module.h>
@@ -17,13 +18,12 @@
#include <linux/regmap.h>
#include <linux/slab.h>
-#include <linux/iio/iio.h>
-#include <linux/iio/sysfs.h>
-#include <linux/iio/buffer.h>
-#include <linux/iio/buffer-dmaengine.h>
-
#include <linux/fpga/adi-axi-common.h>
-#include <linux/iio/adc/adi-axi-adc.h>
+
+#include <linux/iio/backend.h>
+#include <linux/iio/buffer-dmaengine.h>
+#include <linux/iio/buffer.h>
+#include <linux/iio/iio.h>
/*
* Register definitions:
@@ -44,6 +44,7 @@
#define ADI_AXI_REG_CHAN_CTRL_PN_SEL_OWR BIT(10)
#define ADI_AXI_REG_CHAN_CTRL_IQCOR_EN BIT(9)
#define ADI_AXI_REG_CHAN_CTRL_DCFILT_EN BIT(8)
+#define ADI_AXI_REG_CHAN_CTRL_FMT_MASK GENMASK(6, 4)
#define ADI_AXI_REG_CHAN_CTRL_FMT_SIGNEXT BIT(6)
#define ADI_AXI_REG_CHAN_CTRL_FMT_TYPE BIT(5)
#define ADI_AXI_REG_CHAN_CTRL_FMT_EN BIT(4)
@@ -55,286 +56,100 @@
ADI_AXI_REG_CHAN_CTRL_FMT_EN | \
ADI_AXI_REG_CHAN_CTRL_ENABLE)
-struct adi_axi_adc_core_info {
- unsigned int version;
-};
-
struct adi_axi_adc_state {
- struct mutex lock;
-
- struct adi_axi_adc_client *client;
struct regmap *regmap;
-};
-
-struct adi_axi_adc_client {
- struct list_head entry;
- struct adi_axi_adc_conv conv;
- struct adi_axi_adc_state *state;
struct device *dev;
- const struct adi_axi_adc_core_info *info;
};
-static LIST_HEAD(registered_clients);
-static DEFINE_MUTEX(registered_clients_lock);
-
-static struct adi_axi_adc_client *conv_to_client(struct adi_axi_adc_conv *conv)
-{
- return container_of(conv, struct adi_axi_adc_client, conv);
-}
-
-void *adi_axi_adc_conv_priv(struct adi_axi_adc_conv *conv)
-{
- struct adi_axi_adc_client *cl = conv_to_client(conv);
-
- return (char *)cl + ALIGN(sizeof(struct adi_axi_adc_client),
- IIO_DMA_MINALIGN);
-}
-EXPORT_SYMBOL_NS_GPL(adi_axi_adc_conv_priv, IIO_ADI_AXI);
-
-static int adi_axi_adc_config_dma_buffer(struct device *dev,
- struct iio_dev *indio_dev)
-{
- const char *dma_name;
-
- if (!device_property_present(dev, "dmas"))
- return 0;
-
- if (device_property_read_string(dev, "dma-names", &dma_name))
- dma_name = "rx";
-
- return devm_iio_dmaengine_buffer_setup(indio_dev->dev.parent,
- indio_dev, dma_name);
-}
-
-static int adi_axi_adc_read_raw(struct iio_dev *indio_dev,
- struct iio_chan_spec const *chan,
- int *val, int *val2, long mask)
-{
- struct adi_axi_adc_state *st = iio_priv(indio_dev);
- struct adi_axi_adc_conv *conv = &st->client->conv;
-
- if (!conv->read_raw)
- return -EOPNOTSUPP;
-
- return conv->read_raw(conv, chan, val, val2, mask);
-}
-
-static int adi_axi_adc_write_raw(struct iio_dev *indio_dev,
- struct iio_chan_spec const *chan,
- int val, int val2, long mask)
-{
- struct adi_axi_adc_state *st = iio_priv(indio_dev);
- struct adi_axi_adc_conv *conv = &st->client->conv;
-
- if (!conv->write_raw)
- return -EOPNOTSUPP;
-
- return conv->write_raw(conv, chan, val, val2, mask);
-}
-
-static int adi_axi_adc_read_avail(struct iio_dev *indio_dev,
- struct iio_chan_spec const *chan,
- const int **vals, int *type, int *length,
- long mask)
-{
- struct adi_axi_adc_state *st = iio_priv(indio_dev);
- struct adi_axi_adc_conv *conv = &st->client->conv;
-
- if (!conv->read_avail)
- return -EOPNOTSUPP;
-
- return conv->read_avail(conv, chan, vals, type, length, mask);
-}
-
-static int adi_axi_adc_update_scan_mode(struct iio_dev *indio_dev,
- const unsigned long *scan_mask)
+static int axi_adc_enable(struct iio_backend *back)
{
- struct adi_axi_adc_state *st = iio_priv(indio_dev);
- struct adi_axi_adc_conv *conv = &st->client->conv;
- unsigned int i;
+ struct adi_axi_adc_state *st = iio_backend_get_priv(back);
int ret;
- for (i = 0; i < conv->chip_info->num_channels; i++) {
- if (test_bit(i, scan_mask))
- ret = regmap_set_bits(st->regmap,
- ADI_AXI_REG_CHAN_CTRL(i),
- ADI_AXI_REG_CHAN_CTRL_ENABLE);
- else
- ret = regmap_clear_bits(st->regmap,
- ADI_AXI_REG_CHAN_CTRL(i),
- ADI_AXI_REG_CHAN_CTRL_ENABLE);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-static struct adi_axi_adc_conv *adi_axi_adc_conv_register(struct device *dev,
- size_t sizeof_priv)
-{
- struct adi_axi_adc_client *cl;
- size_t alloc_size;
-
- alloc_size = ALIGN(sizeof(struct adi_axi_adc_client), IIO_DMA_MINALIGN);
- if (sizeof_priv)
- alloc_size += ALIGN(sizeof_priv, IIO_DMA_MINALIGN);
-
- cl = kzalloc(alloc_size, GFP_KERNEL);
- if (!cl)
- return ERR_PTR(-ENOMEM);
-
- mutex_lock(®istered_clients_lock);
-
- cl->dev = get_device(dev);
-
- list_add_tail(&cl->entry, ®istered_clients);
-
- mutex_unlock(®istered_clients_lock);
+ ret = regmap_set_bits(st->regmap, ADI_AXI_REG_RSTN,
+ ADI_AXI_REG_RSTN_MMCM_RSTN);
+ if (ret)
+ return ret;
- return &cl->conv;
+ fsleep(10000);
+ return regmap_set_bits(st->regmap, ADI_AXI_REG_RSTN,
+ ADI_AXI_REG_RSTN_RSTN | ADI_AXI_REG_RSTN_MMCM_RSTN);
}
-static void adi_axi_adc_conv_unregister(struct adi_axi_adc_conv *conv)
+static void axi_adc_disable(struct iio_backend *back)
{
- struct adi_axi_adc_client *cl = conv_to_client(conv);
-
- mutex_lock(®istered_clients_lock);
-
- list_del(&cl->entry);
- put_device(cl->dev);
+ struct adi_axi_adc_state *st = iio_backend_get_priv(back);
- mutex_unlock(®istered_clients_lock);
-
- kfree(cl);
+ regmap_write(st->regmap, ADI_AXI_REG_RSTN, 0);
}
-static void devm_adi_axi_adc_conv_release(void *conv)
+static int axi_adc_data_format_set(struct iio_backend *back, unsigned int chan,
+ const struct iio_backend_data_fmt *data)
{
- adi_axi_adc_conv_unregister(conv);
+ struct adi_axi_adc_state *st = iio_backend_get_priv(back);
+ u32 val;
+
+ if (!data->enable)
+ return regmap_clear_bits(st->regmap,
+ ADI_AXI_REG_CHAN_CTRL(chan),
+ ADI_AXI_REG_CHAN_CTRL_FMT_EN);
+
+ val = FIELD_PREP(ADI_AXI_REG_CHAN_CTRL_FMT_EN, true);
+ if (data->sign_extend)
+ val |= FIELD_PREP(ADI_AXI_REG_CHAN_CTRL_FMT_SIGNEXT, true);
+ if (data->type == IIO_BACKEND_OFFSET_BINARY)
+ val |= FIELD_PREP(ADI_AXI_REG_CHAN_CTRL_FMT_TYPE, true);
+
+ return regmap_update_bits(st->regmap, ADI_AXI_REG_CHAN_CTRL(chan),
+ ADI_AXI_REG_CHAN_CTRL_FMT_MASK, val);
}
-struct adi_axi_adc_conv *devm_adi_axi_adc_conv_register(struct device *dev,
- size_t sizeof_priv)
+static int axi_adc_chan_enable(struct iio_backend *back, unsigned int chan)
{
- struct adi_axi_adc_conv *conv;
- int ret;
-
- conv = adi_axi_adc_conv_register(dev, sizeof_priv);
- if (IS_ERR(conv))
- return conv;
+ struct adi_axi_adc_state *st = iio_backend_get_priv(back);
- ret = devm_add_action_or_reset(dev, devm_adi_axi_adc_conv_release,
- conv);
- if (ret)
- return ERR_PTR(ret);
-
- return conv;
+ return regmap_set_bits(st->regmap, ADI_AXI_REG_CHAN_CTRL(chan),
+ ADI_AXI_REG_CHAN_CTRL_ENABLE);
}
-EXPORT_SYMBOL_NS_GPL(devm_adi_axi_adc_conv_register, IIO_ADI_AXI);
-
-static const struct iio_info adi_axi_adc_info = {
- .read_raw = &adi_axi_adc_read_raw,
- .write_raw = &adi_axi_adc_write_raw,
- .update_scan_mode = &adi_axi_adc_update_scan_mode,
- .read_avail = &adi_axi_adc_read_avail,
-};
-
-static const struct adi_axi_adc_core_info adi_axi_adc_10_0_a_info = {
- .version = ADI_AXI_PCORE_VER(10, 0, 'a'),
-};
-static struct adi_axi_adc_client *adi_axi_adc_attach_client(struct device *dev)
+static int axi_adc_chan_disable(struct iio_backend *back, unsigned int chan)
{
- const struct adi_axi_adc_core_info *info;
- struct adi_axi_adc_client *cl;
- struct device_node *cln;
-
- info = of_device_get_match_data(dev);
- if (!info)
- return ERR_PTR(-ENODEV);
-
- cln = of_parse_phandle(dev->of_node, "adi,adc-dev", 0);
- if (!cln) {
- dev_err(dev, "No 'adi,adc-dev' node defined\n");
- return ERR_PTR(-ENODEV);
- }
-
- mutex_lock(®istered_clients_lock);
-
- list_for_each_entry(cl, ®istered_clients, entry) {
- if (!cl->dev)
- continue;
-
- if (cl->dev->of_node != cln)
- continue;
-
- if (!try_module_get(cl->dev->driver->owner)) {
- mutex_unlock(®istered_clients_lock);
- of_node_put(cln);
- return ERR_PTR(-ENODEV);
- }
-
- get_device(cl->dev);
- cl->info = info;
- mutex_unlock(®istered_clients_lock);
- of_node_put(cln);
- return cl;
- }
+ struct adi_axi_adc_state *st = iio_backend_get_priv(back);
- mutex_unlock(®istered_clients_lock);
- of_node_put(cln);
-
- return ERR_PTR(-EPROBE_DEFER);
+ return regmap_clear_bits(st->regmap, ADI_AXI_REG_CHAN_CTRL(chan),
+ ADI_AXI_REG_CHAN_CTRL_ENABLE);
}
-static int adi_axi_adc_setup_channels(struct device *dev,
- struct adi_axi_adc_state *st)
+static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back,
+ struct iio_dev *indio_dev)
{
- struct adi_axi_adc_conv *conv = &st->client->conv;
- int i, ret;
+ struct adi_axi_adc_state *st = iio_backend_get_priv(back);
+ struct iio_buffer *buffer;
+ const char *dma_name;
+ int ret;
- if (conv->preenable_setup) {
- ret = conv->preenable_setup(conv);
- if (ret)
- return ret;
- }
+ if (device_property_read_string(st->dev, "dma-names", &dma_name))
+ dma_name = "rx";
- for (i = 0; i < conv->chip_info->num_channels; i++) {
- ret = regmap_write(st->regmap, ADI_AXI_REG_CHAN_CTRL(i),
- ADI_AXI_REG_CHAN_CTRL_DEFAULTS);
- if (ret)
- return ret;
+ buffer = iio_dmaengine_buffer_alloc(st->dev, dma_name);
+ if (IS_ERR(buffer)) {
+ dev_err(st->dev, "Could not get DMA buffer, %ld\n",
+ PTR_ERR(buffer));
+ return ERR_CAST(buffer);
}
- return 0;
-}
-
-static int axi_adc_reset(struct adi_axi_adc_state *st)
-{
- int ret;
-
- ret = regmap_write(st->regmap, ADI_AXI_REG_RSTN, 0);
- if (ret)
- return ret;
-
- mdelay(10);
- ret = regmap_write(st->regmap, ADI_AXI_REG_RSTN,
- ADI_AXI_REG_RSTN_MMCM_RSTN);
+ indio_dev->modes |= INDIO_BUFFER_HARDWARE;
+ ret = iio_device_attach_buffer(indio_dev, buffer);
if (ret)
- return ret;
+ return ERR_PTR(ret);
- mdelay(10);
- return regmap_write(st->regmap, ADI_AXI_REG_RSTN,
- ADI_AXI_REG_RSTN_RSTN | ADI_AXI_REG_RSTN_MMCM_RSTN);
+ return buffer;
}
-static void adi_axi_adc_cleanup(void *data)
+static void axi_adc_free_buffer(struct iio_backend *back,
+ struct iio_buffer *buffer)
{
- struct adi_axi_adc_client *cl = data;
-
- put_device(cl->dev);
- module_put(cl->dev->driver->owner);
+ iio_dmaengine_buffer_free(buffer);
}
static const struct regmap_config axi_adc_regmap_config = {
@@ -344,45 +159,47 @@ static const struct regmap_config axi_adc_regmap_config = {
.max_register = 0x0800,
};
+static const struct iio_backend_ops adi_axi_adc_generic = {
+ .enable = axi_adc_enable,
+ .disable = axi_adc_disable,
+ .data_format_set = axi_adc_data_format_set,
+ .chan_enable = axi_adc_chan_enable,
+ .chan_disable = axi_adc_chan_disable,
+ .request_buffer = axi_adc_request_buffer,
+ .free_buffer = axi_adc_free_buffer,
+};
+
static int adi_axi_adc_probe(struct platform_device *pdev)
{
- struct adi_axi_adc_conv *conv;
- struct iio_dev *indio_dev;
- struct adi_axi_adc_client *cl;
+ const unsigned int *expected_ver;
struct adi_axi_adc_state *st;
void __iomem *base;
unsigned int ver;
int ret;
- cl = adi_axi_adc_attach_client(&pdev->dev);
- if (IS_ERR(cl))
- return PTR_ERR(cl);
-
- ret = devm_add_action_or_reset(&pdev->dev, adi_axi_adc_cleanup, cl);
- if (ret)
- return ret;
-
- indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*st));
- if (indio_dev == NULL)
+ st = devm_kzalloc(&pdev->dev, sizeof(*st), GFP_KERNEL);
+ if (!st)
return -ENOMEM;
- st = iio_priv(indio_dev);
- st->client = cl;
- cl->state = st;
- mutex_init(&st->lock);
-
base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base))
return PTR_ERR(base);
+ st->dev = &pdev->dev;
st->regmap = devm_regmap_init_mmio(&pdev->dev, base,
&axi_adc_regmap_config);
if (IS_ERR(st->regmap))
return PTR_ERR(st->regmap);
- conv = &st->client->conv;
+ expected_ver = device_get_match_data(&pdev->dev);
+ if (!expected_ver)
+ return -ENODEV;
- ret = axi_adc_reset(st);
+ /*
+ * Force disable the core. Up to the frontend to enable us. And we can
+ * still read/write registers...
+ */
+ ret = regmap_write(st->regmap, ADI_AXI_REG_RSTN, 0);
if (ret)
return ret;
@@ -390,33 +207,19 @@ static int adi_axi_adc_probe(struct platform_device *pdev)
if (ret)
return ret;
- if (cl->info->version > ver) {
+ if (*expected_ver > ver) {
dev_err(&pdev->dev,
"IP core version is too old. Expected %d.%.2d.%c, Reported %d.%.2d.%c\n",
- ADI_AXI_PCORE_VER_MAJOR(cl->info->version),
- ADI_AXI_PCORE_VER_MINOR(cl->info->version),
- ADI_AXI_PCORE_VER_PATCH(cl->info->version),
+ ADI_AXI_PCORE_VER_MAJOR(*expected_ver),
+ ADI_AXI_PCORE_VER_MINOR(*expected_ver),
+ ADI_AXI_PCORE_VER_PATCH(*expected_ver),
ADI_AXI_PCORE_VER_MAJOR(ver),
ADI_AXI_PCORE_VER_MINOR(ver),
ADI_AXI_PCORE_VER_PATCH(ver));
return -ENODEV;
}
- indio_dev->info = &adi_axi_adc_info;
- indio_dev->name = "adi-axi-adc";
- indio_dev->modes = INDIO_DIRECT_MODE;
- indio_dev->num_channels = conv->chip_info->num_channels;
- indio_dev->channels = conv->chip_info->channels;
-
- ret = adi_axi_adc_config_dma_buffer(&pdev->dev, indio_dev);
- if (ret)
- return ret;
-
- ret = adi_axi_adc_setup_channels(&pdev->dev, st);
- if (ret)
- return ret;
-
- ret = devm_iio_device_register(&pdev->dev, indio_dev);
+ ret = devm_iio_backend_register(&pdev->dev, &adi_axi_adc_generic, st);
if (ret)
return ret;
@@ -428,6 +231,8 @@ static int adi_axi_adc_probe(struct platform_device *pdev)
return 0;
}
+static unsigned int adi_axi_adc_10_0_a_info = ADI_AXI_PCORE_VER(10, 0, 'a');
+
/* Match table for of_platform binding */
static const struct of_device_id adi_axi_adc_of_match[] = {
{ .compatible = "adi,axi-adc-10.0.a", .data = &adi_axi_adc_10_0_a_info },
@@ -448,3 +253,4 @@ MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
MODULE_DESCRIPTION("Analog Devices Generic AXI ADC IP core driver");
MODULE_LICENSE("GPL v2");
MODULE_IMPORT_NS(IIO_DMAENGINE_BUFFER);
+MODULE_IMPORT_NS(IIO_BACKEND);
diff --git a/include/linux/iio/adc/adi-axi-adc.h b/include/linux/iio/adc/adi-axi-adc.h
deleted file mode 100644
index b7904992d5619..0000000000000
--- a/include/linux/iio/adc/adi-axi-adc.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Analog Devices Generic AXI ADC IP core driver/library
- * Link: https://wiki.analog.com/resources/fpga/docs/axi_adc_ip
- *
- * Copyright 2012-2020 Analog Devices Inc.
- */
-#ifndef __ADI_AXI_ADC_H__
-#define __ADI_AXI_ADC_H__
-
-struct device;
-struct iio_chan_spec;
-
-/**
- * struct adi_axi_adc_chip_info - Chip specific information
- * @name Chip name
- * @id Chip ID (usually product ID)
- * @channels Channel specifications of type @struct iio_chan_spec
- * @num_channels Number of @channels
- * @scale_table Supported scales by the chip; tuples of 2 ints
- * @num_scales Number of scales in the table
- * @max_rate Maximum sampling rate supported by the device
- */
-struct adi_axi_adc_chip_info {
- const char *name;
- unsigned int id;
-
- const struct iio_chan_spec *channels;
- unsigned int num_channels;
-
- const unsigned int (*scale_table)[2];
- int num_scales;
-
- unsigned long max_rate;
-};
-
-/**
- * struct adi_axi_adc_conv - data of the ADC attached to the AXI ADC
- * @chip_info chip info details for the client ADC
- * @preenable_setup op to run in the client before enabling the AXI ADC
- * @reg_access IIO debugfs_reg_access hook for the client ADC
- * @read_raw IIO read_raw hook for the client ADC
- * @write_raw IIO write_raw hook for the client ADC
- * @read_avail IIO read_avail hook for the client ADC
- */
-struct adi_axi_adc_conv {
- const struct adi_axi_adc_chip_info *chip_info;
-
- int (*preenable_setup)(struct adi_axi_adc_conv *conv);
- int (*reg_access)(struct adi_axi_adc_conv *conv, unsigned int reg,
- unsigned int writeval, unsigned int *readval);
- int (*read_raw)(struct adi_axi_adc_conv *conv,
- struct iio_chan_spec const *chan,
- int *val, int *val2, long mask);
- int (*write_raw)(struct adi_axi_adc_conv *conv,
- struct iio_chan_spec const *chan,
- int val, int val2, long mask);
- int (*read_avail)(struct adi_axi_adc_conv *conv,
- struct iio_chan_spec const *chan,
- const int **val, int *type, int *length, long mask);
-};
-
-struct adi_axi_adc_conv *devm_adi_axi_adc_conv_register(struct device *dev,
- size_t sizeof_priv);
-
-void *adi_axi_adc_conv_priv(struct adi_axi_adc_conv *conv);
-
-#endif
--
GitLab
From ac73e222e37d1fa158c19adeb7bf037782c4c99d Mon Sep 17 00:00:00 2001
From: "andy.shevchenko@gmail.com" <andy.shevchenko@gmail.com>
Date: Sun, 11 Feb 2024 22:14:32 +0200
Subject: [PATCH 0594/2686] iio: st_sensors: lsm9ds0: Use dev_err_probe()
everywhere
Use dev_err_probe() everywhere where it is appropriate.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240211201526.1518165-2-andy.shevchenko@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)
diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c
index e887b45cdbcd7..7b9dc849f010f 100644
--- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c
+++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c
@@ -25,10 +25,9 @@ static int st_lsm9ds0_probe_accel(struct st_lsm9ds0 *lsm9ds0, struct regmap *reg
struct st_sensor_data *data;
settings = st_accel_get_settings(lsm9ds0->name);
- if (!settings) {
- dev_err(dev, "device name %s not recognized.\n", lsm9ds0->name);
- return -ENODEV;
- }
+ if (!settings)
+ return dev_err_probe(dev, -ENODEV, "device name %s not recognized.\n",
+ lsm9ds0->name);
lsm9ds0->accel = devm_iio_device_alloc(dev, sizeof(*data));
if (!lsm9ds0->accel)
@@ -51,10 +50,9 @@ static int st_lsm9ds0_probe_magn(struct st_lsm9ds0 *lsm9ds0, struct regmap *regm
struct st_sensor_data *data;
settings = st_magn_get_settings(lsm9ds0->name);
- if (!settings) {
- dev_err(dev, "device name %s not recognized.\n", lsm9ds0->name);
- return -ENODEV;
- }
+ if (!settings)
+ return dev_err_probe(dev, -ENODEV, "device name %s not recognized.\n",
+ lsm9ds0->name);
lsm9ds0->magn = devm_iio_device_alloc(dev, sizeof(*data));
if (!lsm9ds0->magn)
@@ -80,8 +78,7 @@ int st_lsm9ds0_probe(struct st_lsm9ds0 *lsm9ds0, struct regmap *regmap)
ret = devm_regulator_bulk_get_enable(dev, ARRAY_SIZE(regulator_names),
regulator_names);
if (ret)
- return dev_err_probe(dev, ret,
- "unable to enable Vdd supply\n");
+ return dev_err_probe(dev, ret, "unable to enable Vdd supply\n");
/* Setup accelerometer device */
ret = st_lsm9ds0_probe_accel(lsm9ds0, regmap);
--
GitLab
From 07d6a5a4820972a11ee1d34b7fe95ddc58a4a473 Mon Sep 17 00:00:00 2001
From: "andy.shevchenko@gmail.com" <andy.shevchenko@gmail.com>
Date: Sun, 11 Feb 2024 22:14:33 +0200
Subject: [PATCH 0595/2686] iio: st_sensors: lsm9ds0: Don't use "proxy" headers
Update header inclusions to follow IWYU (Include What You Use)
principle.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240211201526.1518165-3-andy.shevchenko@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/imu/st_lsm9ds0/st_lsm9ds0.h | 5 ++++-
drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c | 4 ++--
drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c | 4 +++-
drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c | 4 +++-
4 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0.h b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0.h
index 76678cdefb074..e67d31b484418 100644
--- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0.h
+++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0.h
@@ -4,9 +4,12 @@
#ifndef ST_LSM9DS0_H
#define ST_LSM9DS0_H
-struct iio_dev;
+struct device;
+struct regmap;
struct regulator;
+struct iio_dev;
+
struct st_lsm9ds0 {
struct device *dev;
const char *name;
diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c
index 7b9dc849f010f..10c1b2ba7a3d9 100644
--- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c
+++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c
@@ -7,10 +7,10 @@
* Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
*/
-#include <linux/device.h>
+#include <linux/array_size.h>
+#include <linux/dev_printk.h>
#include <linux/err.h>
#include <linux/module.h>
-#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/iio/common/st_sensors.h>
diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c
index 61d855083aa01..ab8504286ba4c 100644
--- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c
+++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c
@@ -7,8 +7,10 @@
* Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
*/
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/gfp_types.h>
#include <linux/i2c.h>
-#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/regmap.h>
diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c
index 8cc041d56cf76..69e9135795a37 100644
--- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c
+++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c
@@ -7,7 +7,9 @@
* Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
*/
-#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/gfp_types.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/regmap.h>
--
GitLab
From 8655d0e378bcba53c670c5a55f11c1debb20b681 Mon Sep 17 00:00:00 2001
From: "andy.shevchenko@gmail.com" <andy.shevchenko@gmail.com>
Date: Sun, 11 Feb 2024 22:14:34 +0200
Subject: [PATCH 0596/2686] iio: st_sensors: lsm9ds0: Use common style for
terminator in ID tables
Use common style for a terminator entry in the ID tables.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240211201526.1518165-4-andy.shevchenko@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c
index ab8504286ba4c..d03cec3b24fed 100644
--- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c
+++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c
@@ -41,7 +41,7 @@ MODULE_DEVICE_TABLE(i2c, st_lsm9ds0_id_table);
static const struct acpi_device_id st_lsm9ds0_acpi_match[] = {
{"ACCL0001", (kernel_ulong_t)LSM303D_IMU_DEV_NAME},
- { },
+ {}
};
MODULE_DEVICE_TABLE(acpi, st_lsm9ds0_acpi_match);
--
GitLab
From 158b48c8648b105577179122734280e2c3abe6e1 Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Sun, 11 Feb 2024 09:56:32 +0200
Subject: [PATCH 0597/2686] dt-bindings: iio: pressure: honeywell,hsc030pa.yaml
add spi props
Add spi-peripheral-props.yaml requirement needed by the
spi-max-frequency property.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20240211075645.28777-2-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../devicetree/bindings/iio/pressure/honeywell,hsc030pa.yaml | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/pressure/honeywell,hsc030pa.yaml b/Documentation/devicetree/bindings/iio/pressure/honeywell,hsc030pa.yaml
index 65a24ed67b3cc..89977b9f01cfe 100644
--- a/Documentation/devicetree/bindings/iio/pressure/honeywell,hsc030pa.yaml
+++ b/Documentation/devicetree/bindings/iio/pressure/honeywell,hsc030pa.yaml
@@ -99,6 +99,9 @@ required:
- honeywell,transfer-function
- honeywell,pressure-triplet
+allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml
+
additionalProperties: false
dependentSchemas:
--
GitLab
From 66b53cb790e794b180cbd4d6bffa34dadbc7ab3d Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Sun, 11 Feb 2024 09:56:33 +0200
Subject: [PATCH 0598/2686] iio: pressure: hsc030pa: use signed type to hold
div_64() result
Use signed type to variable holding the result given by div_s64().
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20240211075645.28777-3-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/pressure/hsc030pa.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/pressure/hsc030pa.c b/drivers/iio/pressure/hsc030pa.c
index d6a51f0c335fa..7e3f74d53b471 100644
--- a/drivers/iio/pressure/hsc030pa.c
+++ b/drivers/iio/pressure/hsc030pa.c
@@ -406,7 +406,7 @@ int hsc_common_probe(struct device *dev, hsc_recv_fn recv)
struct hsc_data *hsc;
struct iio_dev *indio_dev;
const char *triplet;
- u64 tmp;
+ s64 tmp;
int ret;
indio_dev = devm_iio_device_alloc(dev, sizeof(*hsc));
--
GitLab
From aaafb989ab7ba9c68e08241baad851144f7793b5 Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Sun, 11 Feb 2024 09:56:34 +0200
Subject: [PATCH 0599/2686] iio: pressure: hsc030pa: include cleanup
Add includes based on prior reviews from Andy.
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20240211075645.28777-4-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/pressure/hsc030pa.h | 2 ++
drivers/iio/pressure/hsc030pa_i2c.c | 2 ++
drivers/iio/pressure/hsc030pa_spi.c | 2 ++
3 files changed, 6 insertions(+)
diff --git a/drivers/iio/pressure/hsc030pa.h b/drivers/iio/pressure/hsc030pa.h
index d20420dba4f6b..f1079a70799fa 100644
--- a/drivers/iio/pressure/hsc030pa.h
+++ b/drivers/iio/pressure/hsc030pa.h
@@ -10,6 +10,8 @@
#include <linux/types.h>
+#include <linux/iio/iio.h>
+
#define HSC_REG_MEASUREMENT_RD_SIZE 4
struct device;
diff --git a/drivers/iio/pressure/hsc030pa_i2c.c b/drivers/iio/pressure/hsc030pa_i2c.c
index e2b524b364170..b0c47f863afb5 100644
--- a/drivers/iio/pressure/hsc030pa_i2c.c
+++ b/drivers/iio/pressure/hsc030pa_i2c.c
@@ -8,10 +8,12 @@
* Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/common/documents/sps-siot-i2c-comms-digital-output-pressure-sensors-tn-008201-3-en-ciid-45841.pdf [i2c related]
*/
+#include <linux/device.h>
#include <linux/errno.h>
#include <linux/i2c.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
+#include <linux/types.h>
#include <linux/iio/iio.h>
diff --git a/drivers/iio/pressure/hsc030pa_spi.c b/drivers/iio/pressure/hsc030pa_spi.c
index a719bade83266..f6da49cdb5e5f 100644
--- a/drivers/iio/pressure/hsc030pa_spi.c
+++ b/drivers/iio/pressure/hsc030pa_spi.c
@@ -7,10 +7,12 @@
* Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/trustability-hsc-series/documents/sps-siot-trustability-hsc-series-high-accuracy-board-mount-pressure-sensors-50099148-a-en-ciid-151133.pdf
*/
+#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/spi/spi.h>
#include <linux/stddef.h>
+#include <linux/types.h>
#include <linux/iio/iio.h>
--
GitLab
From b0e42c9e932323d340d9ec000c2ee06610386a80 Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Sun, 11 Feb 2024 09:56:35 +0200
Subject: [PATCH 0600/2686] iio: pressure: hsc030pa: update datasheet URLs
Provide bus-specific technical datasheet in the _i2c.c _spi.c headers
instead of the generic one.
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20240211075645.28777-5-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/pressure/hsc030pa_i2c.c | 4 ++--
drivers/iio/pressure/hsc030pa_spi.c | 3 ++-
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/iio/pressure/hsc030pa_i2c.c b/drivers/iio/pressure/hsc030pa_i2c.c
index b0c47f863afb5..b5810bafef40f 100644
--- a/drivers/iio/pressure/hsc030pa_i2c.c
+++ b/drivers/iio/pressure/hsc030pa_i2c.c
@@ -4,8 +4,8 @@
*
* Copyright (c) 2023 Petre Rodan <petre.rodan@subdimension.ro>
*
- * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/trustability-hsc-series/documents/sps-siot-trustability-hsc-series-high-accuracy-board-mount-pressure-sensors-50099148-a-en-ciid-151133.pdf [hsc]
- * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/common/documents/sps-siot-i2c-comms-digital-output-pressure-sensors-tn-008201-3-en-ciid-45841.pdf [i2c related]
+ * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/common/documents/sps-siot-i2c-comms-digital-output-pressure-sensors-tn-008201-3-en-ciid-45841.pdf
+ * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/common/documents/sps-siot-sleep-mode-technical-note-008286-1-en-ciid-155793.pdf
*/
#include <linux/device.h>
diff --git a/drivers/iio/pressure/hsc030pa_spi.c b/drivers/iio/pressure/hsc030pa_spi.c
index f6da49cdb5e5f..8d3441f1dcf96 100644
--- a/drivers/iio/pressure/hsc030pa_spi.c
+++ b/drivers/iio/pressure/hsc030pa_spi.c
@@ -4,7 +4,8 @@
*
* Copyright (c) 2023 Petre Rodan <petre.rodan@subdimension.ro>
*
- * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/trustability-hsc-series/documents/sps-siot-trustability-hsc-series-high-accuracy-board-mount-pressure-sensors-50099148-a-en-ciid-151133.pdf
+ * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/common/documents/sps-siot-spi-comms-digital-ouptu-pressure-sensors-tn-008202-3-en-ciid-45843.pdf
+ * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/common/documents/sps-siot-sleep-mode-technical-note-008286-1-en-ciid-155793.pdf
*/
#include <linux/device.h>
--
GitLab
From df3186e829c33e3c577e00e8b3faa25763a44bb0 Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Sun, 11 Feb 2024 09:56:36 +0200
Subject: [PATCH 0601/2686] iio: pressure: hsc030pa add mandatory delay
Add a mandatory 2ms delay between consecutive chip reads.
A Technical Note pdf specifies that the measurement cycle in these
chips takes around 1.26ms. By adding this 2ms delay we make sure that
we never get stale measurements.
For more details, please see "Figure 1" in the pdf below:
https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/common/documents/sps-siot-sleep-mode-technical-note-008286-1-en-ciid-155793.pdf
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20240211075645.28777-6-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/pressure/hsc030pa.h | 1 +
drivers/iio/pressure/hsc030pa_i2c.c | 3 +++
drivers/iio/pressure/hsc030pa_spi.c | 2 ++
3 files changed, 6 insertions(+)
diff --git a/drivers/iio/pressure/hsc030pa.h b/drivers/iio/pressure/hsc030pa.h
index f1079a70799fa..56dc8e88194bc 100644
--- a/drivers/iio/pressure/hsc030pa.h
+++ b/drivers/iio/pressure/hsc030pa.h
@@ -13,6 +13,7 @@
#include <linux/iio/iio.h>
#define HSC_REG_MEASUREMENT_RD_SIZE 4
+#define HSC_RESP_TIME_MS 2
struct device;
diff --git a/drivers/iio/pressure/hsc030pa_i2c.c b/drivers/iio/pressure/hsc030pa_i2c.c
index b5810bafef40f..b3fd230e71da1 100644
--- a/drivers/iio/pressure/hsc030pa_i2c.c
+++ b/drivers/iio/pressure/hsc030pa_i2c.c
@@ -8,6 +8,7 @@
* Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/common/documents/sps-siot-sleep-mode-technical-note-008286-1-en-ciid-155793.pdf
*/
+#include <linux/delay.h>
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/i2c.h>
@@ -25,6 +26,8 @@ static int hsc_i2c_recv(struct hsc_data *data)
struct i2c_msg msg;
int ret;
+ msleep_interruptible(HSC_RESP_TIME_MS);
+
msg.addr = client->addr;
msg.flags = client->flags | I2C_M_RD;
msg.len = HSC_REG_MEASUREMENT_RD_SIZE;
diff --git a/drivers/iio/pressure/hsc030pa_spi.c b/drivers/iio/pressure/hsc030pa_spi.c
index 8d3441f1dcf96..818fa63034545 100644
--- a/drivers/iio/pressure/hsc030pa_spi.c
+++ b/drivers/iio/pressure/hsc030pa_spi.c
@@ -8,6 +8,7 @@
* Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/common/documents/sps-siot-sleep-mode-technical-note-008286-1-en-ciid-155793.pdf
*/
+#include <linux/delay.h>
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
@@ -28,6 +29,7 @@ static int hsc_spi_recv(struct hsc_data *data)
.len = HSC_REG_MEASUREMENT_RD_SIZE,
};
+ msleep_interruptible(HSC_RESP_TIME_MS);
return spi_sync_transfer(spi, &xfer, 1);
}
--
GitLab
From 05f5d78834a118b06b0292beb20891f45415d07b Mon Sep 17 00:00:00 2001
From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Sun, 11 Feb 2024 09:56:37 +0200
Subject: [PATCH 0602/2686] iio: pressure: hsc030pa add triggered buffer
Add triggered buffer feature.
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20240211075645.28777-7-petre.rodan@subdimension.ro
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/pressure/Kconfig | 2 ++
drivers/iio/pressure/hsc030pa.c | 47 +++++++++++++++++++++++++++++++++
drivers/iio/pressure/hsc030pa.h | 4 +++
3 files changed, 53 insertions(+)
diff --git a/drivers/iio/pressure/Kconfig b/drivers/iio/pressure/Kconfig
index 5da7931dc537a..3ad38506028ef 100644
--- a/drivers/iio/pressure/Kconfig
+++ b/drivers/iio/pressure/Kconfig
@@ -114,6 +114,8 @@ config HSC030PA
depends on (I2C || SPI_MASTER)
select HSC030PA_I2C if I2C
select HSC030PA_SPI if SPI_MASTER
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
Say Y here to build support for the Honeywell TruStability
HSC and SSC pressure and temperature sensor series.
diff --git a/drivers/iio/pressure/hsc030pa.c b/drivers/iio/pressure/hsc030pa.c
index 7e3f74d53b471..1682b90d4557c 100644
--- a/drivers/iio/pressure/hsc030pa.c
+++ b/drivers/iio/pressure/hsc030pa.c
@@ -22,8 +22,11 @@
#include <linux/types.h>
#include <linux/units.h>
+#include <linux/iio/buffer.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
+#include <linux/iio/trigger_consumer.h>
+#include <linux/iio/triggered_buffer.h>
#include <asm/unaligned.h>
@@ -297,6 +300,29 @@ static int hsc_get_measurement(struct hsc_data *data)
return 0;
}
+static irqreturn_t hsc_trigger_handler(int irq, void *private)
+{
+ struct iio_poll_func *pf = private;
+ struct iio_dev *indio_dev = pf->indio_dev;
+ struct hsc_data *data = iio_priv(indio_dev);
+ int ret;
+
+ ret = hsc_get_measurement(data);
+ if (ret)
+ goto error;
+
+ memcpy(&data->scan.chan[0], &data->buffer[0], 2);
+ memcpy(&data->scan.chan[1], &data->buffer[2], 2);
+
+ iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
+ iio_get_time_ns(indio_dev));
+
+error:
+ iio_trigger_notify_done(indio_dev->trig);
+
+ return IRQ_HANDLED;
+}
+
/*
* IIO ABI expects
* value = (conv + offset) * scale
@@ -382,13 +408,29 @@ static const struct iio_chan_spec hsc_channels[] = {
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
BIT(IIO_CHAN_INFO_SCALE) |
BIT(IIO_CHAN_INFO_OFFSET),
+ .scan_index = 0,
+ .scan_type = {
+ .sign = 'u',
+ .realbits = 14,
+ .storagebits = 16,
+ .endianness = IIO_BE,
+ },
},
{
.type = IIO_TEMP,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
BIT(IIO_CHAN_INFO_SCALE) |
BIT(IIO_CHAN_INFO_OFFSET),
+ .scan_index = 1,
+ .scan_type = {
+ .sign = 'u',
+ .realbits = 11,
+ .storagebits = 16,
+ .shift = 5,
+ .endianness = IIO_BE,
+ },
},
+ IIO_CHAN_SOFT_TIMESTAMP(2),
};
static const struct iio_info hsc_info = {
@@ -485,6 +527,11 @@ int hsc_common_probe(struct device *dev, hsc_recv_fn recv)
indio_dev->channels = hsc->chip->channels;
indio_dev->num_channels = hsc->chip->num_channels;
+ ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL,
+ hsc_trigger_handler, NULL);
+ if (ret)
+ return ret;
+
return devm_iio_device_register(dev, indio_dev);
}
EXPORT_SYMBOL_NS(hsc_common_probe, IIO_HONEYWELL_HSC030PA);
diff --git a/drivers/iio/pressure/hsc030pa.h b/drivers/iio/pressure/hsc030pa.h
index 56dc8e88194bc..9b40f46f575ff 100644
--- a/drivers/iio/pressure/hsc030pa.h
+++ b/drivers/iio/pressure/hsc030pa.h
@@ -56,6 +56,10 @@ struct hsc_data {
s32 p_scale_dec;
s64 p_offset;
s32 p_offset_dec;
+ struct {
+ __be16 chan[2];
+ s64 timestamp __aligned(8);
+ } scan;
u8 buffer[HSC_REG_MEASUREMENT_RD_SIZE] __aligned(IIO_DMA_MINALIGN);
};
--
GitLab
From bc4d251ee8442fa23758bf13de0bda603da01e22 Mon Sep 17 00:00:00 2001
From: Mike Looijmans <mike.looijmans@topic.nl>
Date: Fri, 16 Feb 2024 16:30:19 +0100
Subject: [PATCH 0603/2686] dt-bindings: iio: adc: ti-ads1298: Add bindings
Bindings for the TI ADS1298 medical ADC. This device is
typically used for ECG and similar measurements. Supports data
acquisition at configurable scale and sampling frequency.
The device has so many options for connecting stuff, at this
point the bindings aren't nearly complete but partial bindings
are better than no bindings at all.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240216153020.485201-1-mike.looijmans@topic.nl
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../bindings/iio/adc/ti,ads1298.yaml | 80 +++++++++++++++++++
1 file changed, 80 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,ads1298.yaml
diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads1298.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads1298.yaml
new file mode 100644
index 0000000000000..bf5a43a81d59c
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ti,ads1298.yaml
@@ -0,0 +1,80 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/ti,ads1298.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments' ads1298 medical ADC chips
+
+description: |
+ Datasheet at: https://www.ti.com/product/ADS1298
+ Bindings for this chip aren't complete.
+
+maintainers:
+ - Mike Looijmans <mike.looijmans@topic.nl>
+
+properties:
+ compatible:
+ enum:
+ - ti,ads1298
+
+ reg:
+ maxItems: 1
+
+ spi-cpha: true
+
+ reset-gpios:
+ maxItems: 1
+
+ avdd-supply:
+ description:
+ Analog power supply, voltage between AVDD and AVSS. When providing a
+ symmetric +/- 2.5V, the regulator should report 5V.
+
+ vref-supply:
+ description:
+ Optional reference voltage. If omitted, internal reference is used,
+ which is 2.4V when analog supply is below 4.4V, 4V otherwise.
+
+ clocks:
+ description: Optional 2.048 MHz external source clock on CLK pin
+ maxItems: 1
+
+ interrupts:
+ description: Interrupt on DRDY pin, triggers on falling edge
+ maxItems: 1
+
+ label: true
+
+required:
+ - compatible
+ - reg
+ - avdd-supply
+ - interrupts
+
+allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ adc@1 {
+ reg = <1>;
+ compatible = "ti,ads1298";
+ label = "ads1298-1-ecg";
+ avdd-supply = <®_iso_5v_a>;
+ clocks = <&clk_ads1298>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <78 IRQ_TYPE_EDGE_FALLING>;
+ spi-max-frequency = <20000000>;
+ spi-cpha;
+ };
+ };
+...
--
GitLab
From 00ef7708fa6073a84f6898fdcdfe965d903b0378 Mon Sep 17 00:00:00 2001
From: Mike Looijmans <mike.looijmans@topic.nl>
Date: Fri, 16 Feb 2024 16:30:20 +0100
Subject: [PATCH 0604/2686] iio: adc: ti-ads1298: Add driver
Skeleton driver for the TI ADS1298 medical ADC. This device is
typically used for ECG and similar measurements. Supports data
acquisition at configurable scale and sampling frequency.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Link: https://lore.kernel.org/r/20240216153020.485201-2-mike.looijmans@topic.nl
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/Kconfig | 11 +
drivers/iio/adc/Makefile | 1 +
drivers/iio/adc/ti-ads1298.c | 769 +++++++++++++++++++++++++++++++++++
3 files changed, 781 insertions(+)
create mode 100644 drivers/iio/adc/ti-ads1298.c
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 02a55809cb6ab..d4462c202784c 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -1312,6 +1312,17 @@ config TI_ADS1100
This driver can also be built as a module. If so, the module will be
called ti-ads1100.
+config TI_ADS1298
+ tristate "Texas Instruments ADS1298"
+ depends on SPI
+ select IIO_BUFFER
+ help
+ If you say yes here you get support for Texas Instruments ADS1298
+ medical ADC chips
+
+ This driver can also be built as a module. If so, the module will be
+ called ti-ads1298.
+
config TI_ADS7950
tristate "Texas Instruments ADS7950 ADC driver"
depends on SPI && GPIOLIB
diff --git a/drivers/iio/adc/Makefile b/drivers/iio/adc/Makefile
index d2fda54a3259c..a64326f40fcbe 100644
--- a/drivers/iio/adc/Makefile
+++ b/drivers/iio/adc/Makefile
@@ -116,6 +116,7 @@ obj-$(CONFIG_TI_ADC128S052) += ti-adc128s052.o
obj-$(CONFIG_TI_ADC161S626) += ti-adc161s626.o
obj-$(CONFIG_TI_ADS1015) += ti-ads1015.o
obj-$(CONFIG_TI_ADS1100) += ti-ads1100.o
+obj-$(CONFIG_TI_ADS1298) += ti-ads1298.o
obj-$(CONFIG_TI_ADS7924) += ti-ads7924.o
obj-$(CONFIG_TI_ADS7950) += ti-ads7950.o
obj-$(CONFIG_TI_ADS8344) += ti-ads8344.o
diff --git a/drivers/iio/adc/ti-ads1298.c b/drivers/iio/adc/ti-ads1298.c
new file mode 100644
index 0000000000000..ed895a30beedc
--- /dev/null
+++ b/drivers/iio/adc/ti-ads1298.c
@@ -0,0 +1,769 @@
+// SPDX-License-Identifier: GPL-2.0
+/* TI ADS1298 chip family driver
+ * Copyright (C) 2023 - 2024 Topic Embedded Products
+ */
+
+#include <linux/bitfield.h>
+#include <linux/cleanup.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/gpio/consumer.h>
+#include <linux/log2.h>
+#include <linux/math.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/slab.h>
+#include <linux/spi/spi.h>
+#include <linux/units.h>
+
+#include <linux/iio/iio.h>
+#include <linux/iio/buffer.h>
+#include <linux/iio/kfifo_buf.h>
+
+#include <asm/unaligned.h>
+
+/* Commands */
+#define ADS1298_CMD_WAKEUP 0x02
+#define ADS1298_CMD_STANDBY 0x04
+#define ADS1298_CMD_RESET 0x06
+#define ADS1298_CMD_START 0x08
+#define ADS1298_CMD_STOP 0x0a
+#define ADS1298_CMD_RDATAC 0x10
+#define ADS1298_CMD_SDATAC 0x11
+#define ADS1298_CMD_RDATA 0x12
+#define ADS1298_CMD_RREG 0x20
+#define ADS1298_CMD_WREG 0x40
+
+/* Registers */
+#define ADS1298_REG_ID 0x00
+#define ADS1298_MASK_ID_FAMILY GENMASK(7, 3)
+#define ADS1298_MASK_ID_CHANNELS GENMASK(2, 0)
+#define ADS1298_ID_FAMILY_ADS129X 0x90
+#define ADS1298_ID_FAMILY_ADS129XR 0xd0
+
+#define ADS1298_REG_CONFIG1 0x01
+#define ADS1298_MASK_CONFIG1_HR BIT(7)
+#define ADS1298_MASK_CONFIG1_DR GENMASK(2, 0)
+#define ADS1298_SHIFT_DR_HR 6
+#define ADS1298_SHIFT_DR_LP 7
+#define ADS1298_LOWEST_DR 0x06
+
+#define ADS1298_REG_CONFIG2 0x02
+#define ADS1298_MASK_CONFIG2_RESERVED BIT(6)
+#define ADS1298_MASK_CONFIG2_WCT_CHOP BIT(5)
+#define ADS1298_MASK_CONFIG2_INT_TEST BIT(4)
+#define ADS1298_MASK_CONFIG2_TEST_AMP BIT(2)
+#define ADS1298_MASK_CONFIG2_TEST_FREQ_DC GENMASK(1, 0)
+#define ADS1298_MASK_CONFIG2_TEST_FREQ_SLOW 0
+#define ADS1298_MASK_CONFIG2_TEST_FREQ_FAST BIT(0)
+
+#define ADS1298_REG_CONFIG3 0x03
+#define ADS1298_MASK_CONFIG3_PWR_REFBUF BIT(7)
+#define ADS1298_MASK_CONFIG3_RESERVED BIT(6)
+#define ADS1298_MASK_CONFIG3_VREF_4V BIT(5)
+
+#define ADS1298_REG_LOFF 0x04
+#define ADS1298_REG_CHnSET(n) (0x05 + n)
+#define ADS1298_MASK_CH_PD BIT(7)
+#define ADS1298_MASK_CH_PGA GENMASK(6, 4)
+#define ADS1298_MASK_CH_MUX GENMASK(2, 0)
+
+#define ADS1298_REG_LOFF_STATP 0x12
+#define ADS1298_REG_LOFF_STATN 0x13
+#define ADS1298_REG_CONFIG4 0x17
+#define ADS1298_MASK_CONFIG4_SINGLE_SHOT BIT(3)
+
+#define ADS1298_REG_WCT1 0x18
+#define ADS1298_REG_WCT2 0x19
+
+#define ADS1298_MAX_CHANNELS 8
+#define ADS1298_BITS_PER_SAMPLE 24
+#define ADS1298_CLK_RATE_HZ 2048000
+#define ADS1298_CLOCKS_TO_USECS(x) \
+ (DIV_ROUND_UP((x) * MICROHZ_PER_HZ, ADS1298_CLK_RATE_HZ))
+/*
+ * Read/write register commands require 4 clocks to decode, for speeds above
+ * 2x the clock rate, this would require extra time between the command byte and
+ * the data. Much simpler is to just limit the SPI transfer speed while doing
+ * register access.
+ */
+#define ADS1298_SPI_BUS_SPEED_SLOW ADS1298_CLK_RATE_HZ
+/* For reading and writing registers, we need a 3-byte buffer */
+#define ADS1298_SPI_CMD_BUFFER_SIZE 3
+/* Outputs status word and 'n' 24-bit samples, plus the command byte */
+#define ADS1298_SPI_RDATA_BUFFER_SIZE(n) (((n) + 1) * 3 + 1)
+#define ADS1298_SPI_RDATA_BUFFER_SIZE_MAX \
+ ADS1298_SPI_RDATA_BUFFER_SIZE(ADS1298_MAX_CHANNELS)
+
+struct ads1298_private {
+ const struct ads1298_chip_info *chip_info;
+ struct spi_device *spi;
+ struct regulator *reg_avdd;
+ struct regulator *reg_vref;
+ struct clk *clk;
+ struct regmap *regmap;
+ struct completion completion;
+ struct iio_trigger *trig;
+ struct spi_transfer rdata_xfer;
+ struct spi_message rdata_msg;
+ spinlock_t irq_busy_lock; /* Handshake between SPI and DRDY irqs */
+ /*
+ * rdata_xfer_busy increments when a DRDY occurs and decrements when SPI
+ * completion is reported. Hence its meaning is:
+ * 0 = Waiting for DRDY interrupt
+ * 1 = SPI transfer in progress
+ * 2 = DRDY during SPI transfer, start another transfer on completion
+ * >2 = Multiple DRDY during transfer, lost rdata_xfer_busy - 2 samples
+ */
+ unsigned int rdata_xfer_busy;
+
+ /* Temporary storage for demuxing data after SPI transfer */
+ u32 bounce_buffer[ADS1298_MAX_CHANNELS];
+
+ /* For synchronous SPI exchanges (read/write registers) */
+ u8 cmd_buffer[ADS1298_SPI_CMD_BUFFER_SIZE] __aligned(IIO_DMA_MINALIGN);
+
+ /* Buffer used for incoming SPI data */
+ u8 rx_buffer[ADS1298_SPI_RDATA_BUFFER_SIZE_MAX];
+ /* Contains the RDATA command and zeroes to clock out */
+ u8 tx_buffer[ADS1298_SPI_RDATA_BUFFER_SIZE_MAX];
+};
+
+/* Three bytes per sample in RX buffer, starting at offset 4 */
+#define ADS1298_OFFSET_IN_RX_BUFFER(index) (3 * (index) + 4)
+
+#define ADS1298_CHAN(index) \
+{ \
+ .type = IIO_VOLTAGE, \
+ .indexed = 1, \
+ .channel = index, \
+ .address = ADS1298_OFFSET_IN_RX_BUFFER(index), \
+ .info_mask_separate = \
+ BIT(IIO_CHAN_INFO_RAW) | \
+ BIT(IIO_CHAN_INFO_SCALE), \
+ .info_mask_shared_by_all = \
+ BIT(IIO_CHAN_INFO_SAMP_FREQ) | \
+ BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), \
+ .scan_index = index, \
+ .scan_type = { \
+ .sign = 's', \
+ .realbits = ADS1298_BITS_PER_SAMPLE, \
+ .storagebits = 32, \
+ .endianness = IIO_CPU, \
+ }, \
+}
+
+static const struct iio_chan_spec ads1298_channels[] = {
+ ADS1298_CHAN(0),
+ ADS1298_CHAN(1),
+ ADS1298_CHAN(2),
+ ADS1298_CHAN(3),
+ ADS1298_CHAN(4),
+ ADS1298_CHAN(5),
+ ADS1298_CHAN(6),
+ ADS1298_CHAN(7),
+};
+
+static int ads1298_write_cmd(struct ads1298_private *priv, u8 command)
+{
+ struct spi_transfer xfer = {
+ .tx_buf = priv->cmd_buffer,
+ .rx_buf = priv->cmd_buffer,
+ .len = 1,
+ .speed_hz = ADS1298_SPI_BUS_SPEED_SLOW,
+ .delay = {
+ .value = 2,
+ .unit = SPI_DELAY_UNIT_USECS,
+ },
+ };
+
+ priv->cmd_buffer[0] = command;
+
+ return spi_sync_transfer(priv->spi, &xfer, 1);
+}
+
+static int ads1298_read_one(struct ads1298_private *priv, int chan_index)
+{
+ int ret;
+
+ /* Enable the channel */
+ ret = regmap_update_bits(priv->regmap, ADS1298_REG_CHnSET(chan_index),
+ ADS1298_MASK_CH_PD, 0);
+ if (ret)
+ return ret;
+
+ /* Enable single-shot mode, so we don't need to send a STOP */
+ ret = regmap_update_bits(priv->regmap, ADS1298_REG_CONFIG4,
+ ADS1298_MASK_CONFIG4_SINGLE_SHOT,
+ ADS1298_MASK_CONFIG4_SINGLE_SHOT);
+ if (ret)
+ return ret;
+
+ reinit_completion(&priv->completion);
+
+ ret = ads1298_write_cmd(priv, ADS1298_CMD_START);
+ if (ret < 0) {
+ dev_err(&priv->spi->dev, "CMD_START error: %d\n", ret);
+ return ret;
+ }
+
+ /* Cannot take longer than 40ms (250Hz) */
+ ret = wait_for_completion_timeout(&priv->completion, msecs_to_jiffies(50));
+ if (!ret)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
+static int ads1298_get_samp_freq(struct ads1298_private *priv, int *val)
+{
+ unsigned long rate;
+ unsigned int cfg;
+ int ret;
+
+ ret = regmap_read(priv->regmap, ADS1298_REG_CONFIG1, &cfg);
+ if (ret)
+ return ret;
+
+ if (priv->clk)
+ rate = clk_get_rate(priv->clk);
+ else
+ rate = ADS1298_CLK_RATE_HZ;
+ if (!rate)
+ return -EINVAL;
+
+ /* Data rate shift depends on HR/LP mode */
+ if (cfg & ADS1298_MASK_CONFIG1_HR)
+ rate >>= ADS1298_SHIFT_DR_HR;
+ else
+ rate >>= ADS1298_SHIFT_DR_LP;
+
+ *val = rate >> (cfg & ADS1298_MASK_CONFIG1_DR);
+
+ return IIO_VAL_INT;
+}
+
+static int ads1298_set_samp_freq(struct ads1298_private *priv, int val)
+{
+ unsigned long rate;
+ unsigned int factor;
+ unsigned int cfg;
+
+ if (priv->clk)
+ rate = clk_get_rate(priv->clk);
+ else
+ rate = ADS1298_CLK_RATE_HZ;
+ if (!rate)
+ return -EINVAL;
+
+ factor = (rate >> ADS1298_SHIFT_DR_HR) / val;
+ if (factor >= BIT(ADS1298_SHIFT_DR_LP))
+ cfg = ADS1298_LOWEST_DR;
+ else if (factor)
+ cfg = ADS1298_MASK_CONFIG1_HR | ilog2(factor); /* Use HR mode */
+ else
+ cfg = ADS1298_MASK_CONFIG1_HR; /* Fastest possible */
+
+ return regmap_update_bits(priv->regmap, ADS1298_REG_CONFIG1,
+ ADS1298_MASK_CONFIG1_HR | ADS1298_MASK_CONFIG1_DR,
+ cfg);
+}
+
+static const u8 ads1298_pga_settings[] = { 6, 1, 2, 3, 4, 8, 12 };
+
+static int ads1298_get_scale(struct ads1298_private *priv,
+ int channel, int *val, int *val2)
+{
+ int ret;
+ unsigned int regval;
+ u8 gain;
+
+ if (priv->reg_vref) {
+ ret = regulator_get_voltage(priv->reg_vref);
+ if (ret < 0)
+ return ret;
+
+ *val = ret / MILLI; /* Convert to millivolts */
+ } else {
+ ret = regmap_read(priv->regmap, ADS1298_REG_CONFIG3, ®val);
+ if (ret)
+ return ret;
+
+ /* Refererence in millivolts */
+ *val = regval & ADS1298_MASK_CONFIG3_VREF_4V ? 4000 : 2400;
+ }
+
+ ret = regmap_read(priv->regmap, ADS1298_REG_CHnSET(channel), ®val);
+ if (ret)
+ return ret;
+
+ gain = ads1298_pga_settings[FIELD_GET(ADS1298_MASK_CH_PGA, regval)];
+ *val /= gain; /* Full scale is VREF / gain */
+
+ *val2 = ADS1298_BITS_PER_SAMPLE - 1; /* Signed, hence the -1 */
+
+ return IIO_VAL_FRACTIONAL_LOG2;
+}
+
+static int ads1298_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int *val, int *val2, long mask)
+{
+ struct ads1298_private *priv = iio_priv(indio_dev);
+ int ret;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ ret = iio_device_claim_direct_mode(indio_dev);
+ if (ret)
+ return ret;
+
+ ret = ads1298_read_one(priv, chan->scan_index);
+
+ iio_device_release_direct_mode(indio_dev);
+
+ if (ret)
+ return ret;
+
+ *val = sign_extend32(get_unaligned_be24(priv->rx_buffer + chan->address),
+ ADS1298_BITS_PER_SAMPLE - 1);
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_SCALE:
+ return ads1298_get_scale(priv, chan->channel, val, val2);
+ case IIO_CHAN_INFO_SAMP_FREQ:
+ return ads1298_get_samp_freq(priv, val);
+ case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
+ ret = regmap_read(priv->regmap, ADS1298_REG_CONFIG1, val);
+ if (ret)
+ return ret;
+
+ *val = 16 << (*val & ADS1298_MASK_CONFIG1_DR);
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int ads1298_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan, int val,
+ int val2, long mask)
+{
+ struct ads1298_private *priv = iio_priv(indio_dev);
+
+ switch (mask) {
+ case IIO_CHAN_INFO_SAMP_FREQ:
+ return ads1298_set_samp_freq(priv, val);
+ default:
+ return -EINVAL;
+ }
+}
+
+static int ads1298_reg_write(void *context, unsigned int reg, unsigned int val)
+{
+ struct ads1298_private *priv = context;
+ struct spi_transfer reg_write_xfer = {
+ .tx_buf = priv->cmd_buffer,
+ .rx_buf = priv->cmd_buffer,
+ .len = 3,
+ .speed_hz = ADS1298_SPI_BUS_SPEED_SLOW,
+ .delay = {
+ .value = 2,
+ .unit = SPI_DELAY_UNIT_USECS,
+ },
+ };
+
+ priv->cmd_buffer[0] = ADS1298_CMD_WREG | reg;
+ priv->cmd_buffer[1] = 0; /* Number of registers to be written - 1 */
+ priv->cmd_buffer[2] = val;
+
+ return spi_sync_transfer(priv->spi, ®_write_xfer, 1);
+}
+
+static int ads1298_reg_read(void *context, unsigned int reg, unsigned int *val)
+{
+ struct ads1298_private *priv = context;
+ struct spi_transfer reg_read_xfer = {
+ .tx_buf = priv->cmd_buffer,
+ .rx_buf = priv->cmd_buffer,
+ .len = 3,
+ .speed_hz = ADS1298_SPI_BUS_SPEED_SLOW,
+ .delay = {
+ .value = 2,
+ .unit = SPI_DELAY_UNIT_USECS,
+ },
+ };
+ int ret;
+
+ priv->cmd_buffer[0] = ADS1298_CMD_RREG | reg;
+ priv->cmd_buffer[1] = 0; /* Number of registers to be read - 1 */
+ priv->cmd_buffer[2] = 0;
+
+ ret = spi_sync_transfer(priv->spi, ®_read_xfer, 1);
+ if (ret)
+ return ret;
+
+ *val = priv->cmd_buffer[2];
+
+ return 0;
+}
+
+static int ads1298_reg_access(struct iio_dev *indio_dev, unsigned int reg,
+ unsigned int writeval, unsigned int *readval)
+{
+ struct ads1298_private *priv = iio_priv(indio_dev);
+
+ if (readval)
+ return regmap_read(priv->regmap, reg, readval);
+
+ return regmap_write(priv->regmap, reg, writeval);
+}
+
+static void ads1298_rdata_unmark_busy(struct ads1298_private *priv)
+{
+ /* Notify we're no longer waiting for the SPI transfer to complete */
+ guard(spinlock_irqsave)(&priv->irq_busy_lock);
+ priv->rdata_xfer_busy = 0;
+}
+
+static int ads1298_update_scan_mode(struct iio_dev *indio_dev,
+ const unsigned long *scan_mask)
+{
+ struct ads1298_private *priv = iio_priv(indio_dev);
+ unsigned int val;
+ int ret;
+ int i;
+
+ /* Make the interrupt routines start with a clean slate */
+ ads1298_rdata_unmark_busy(priv);
+
+ /* Configure power-down bits to match scan mask */
+ for (i = 0; i < indio_dev->num_channels; i++) {
+ val = test_bit(i, scan_mask) ? 0 : ADS1298_MASK_CH_PD;
+ ret = regmap_update_bits(priv->regmap, ADS1298_REG_CHnSET(i),
+ ADS1298_MASK_CH_PD, val);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct iio_info ads1298_info = {
+ .read_raw = &ads1298_read_raw,
+ .write_raw = &ads1298_write_raw,
+ .update_scan_mode = &ads1298_update_scan_mode,
+ .debugfs_reg_access = &ads1298_reg_access,
+};
+
+static void ads1298_rdata_release_busy_or_restart(struct ads1298_private *priv)
+{
+ guard(spinlock_irqsave)(&priv->irq_busy_lock);
+
+ if (priv->rdata_xfer_busy > 1) {
+ /*
+ * DRDY interrupt occurred before SPI completion. Start a new
+ * SPI transaction now to retrieve the data that wasn't latched
+ * into the ADS1298 chip's transfer buffer yet.
+ */
+ spi_async(priv->spi, &priv->rdata_msg);
+ /*
+ * If more than one DRDY took place, there was an overrun. Since
+ * the sample is already lost, reset the counter to 1 so that
+ * we will wait for a DRDY interrupt after this SPI transaction.
+ */
+ priv->rdata_xfer_busy = 1;
+ } else {
+ /* No pending data, wait for DRDY */
+ priv->rdata_xfer_busy = 0;
+ }
+}
+
+/* Called from SPI completion interrupt handler */
+static void ads1298_rdata_complete(void *context)
+{
+ struct iio_dev *indio_dev = context;
+ struct ads1298_private *priv = iio_priv(indio_dev);
+ int scan_index;
+ u32 *bounce = priv->bounce_buffer;
+
+ if (!iio_buffer_enabled(indio_dev)) {
+ /*
+ * for a single transfer mode we're kept in direct_mode until
+ * completion, avoiding a race with buffered IO.
+ */
+ ads1298_rdata_unmark_busy(priv);
+ complete(&priv->completion);
+ return;
+ }
+
+ /* Demux the channel data into our bounce buffer */
+ for_each_set_bit(scan_index, indio_dev->active_scan_mask,
+ indio_dev->masklength) {
+ const struct iio_chan_spec *scan_chan =
+ &indio_dev->channels[scan_index];
+ const u8 *data = priv->rx_buffer + scan_chan->address;
+
+ *bounce++ = get_unaligned_be24(data);
+ }
+
+ /* rx_buffer can be overwritten from this point on */
+ ads1298_rdata_release_busy_or_restart(priv);
+
+ iio_push_to_buffers(indio_dev, priv->bounce_buffer);
+}
+
+static irqreturn_t ads1298_interrupt(int irq, void *dev_id)
+{
+ struct iio_dev *indio_dev = dev_id;
+ struct ads1298_private *priv = iio_priv(indio_dev);
+ unsigned int wasbusy;
+
+ guard(spinlock_irqsave)(&priv->irq_busy_lock);
+
+ wasbusy = priv->rdata_xfer_busy++;
+ /* When no SPI transfer in transit, start one now */
+ if (!wasbusy)
+ spi_async(priv->spi, &priv->rdata_msg);
+
+ return IRQ_HANDLED;
+};
+
+static int ads1298_buffer_postenable(struct iio_dev *indio_dev)
+{
+ struct ads1298_private *priv = iio_priv(indio_dev);
+ int ret;
+
+ /* Disable single-shot mode */
+ ret = regmap_update_bits(priv->regmap, ADS1298_REG_CONFIG4,
+ ADS1298_MASK_CONFIG4_SINGLE_SHOT, 0);
+ if (ret)
+ return ret;
+
+ return ads1298_write_cmd(priv, ADS1298_CMD_START);
+}
+
+static int ads1298_buffer_predisable(struct iio_dev *indio_dev)
+{
+ struct ads1298_private *priv = iio_priv(indio_dev);
+
+ return ads1298_write_cmd(priv, ADS1298_CMD_STOP);
+}
+
+static const struct iio_buffer_setup_ops ads1298_setup_ops = {
+ .postenable = &ads1298_buffer_postenable,
+ .predisable = &ads1298_buffer_predisable,
+};
+
+static void ads1298_reg_disable(void *reg)
+{
+ regulator_disable(reg);
+}
+
+static const struct regmap_range ads1298_regmap_volatile_range[] = {
+ regmap_reg_range(ADS1298_REG_LOFF_STATP, ADS1298_REG_LOFF_STATN),
+};
+
+static const struct regmap_access_table ads1298_regmap_volatile = {
+ .yes_ranges = ads1298_regmap_volatile_range,
+ .n_yes_ranges = ARRAY_SIZE(ads1298_regmap_volatile_range),
+};
+
+static const struct regmap_config ads1298_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .reg_read = ads1298_reg_read,
+ .reg_write = ads1298_reg_write,
+ .max_register = ADS1298_REG_WCT2,
+ .volatile_table = &ads1298_regmap_volatile,
+ .cache_type = REGCACHE_MAPLE,
+};
+
+static int ads1298_init(struct iio_dev *indio_dev)
+{
+ struct ads1298_private *priv = iio_priv(indio_dev);
+ struct device *dev = &priv->spi->dev;
+ const char *suffix;
+ unsigned int val;
+ int ret;
+
+ /* Device initializes into RDATAC mode, which we don't want */
+ ret = ads1298_write_cmd(priv, ADS1298_CMD_SDATAC);
+ if (ret)
+ return ret;
+
+ ret = regmap_read(priv->regmap, ADS1298_REG_ID, &val);
+ if (ret)
+ return ret;
+
+ /* Fill in name and channel count based on what the chip told us */
+ indio_dev->num_channels = 4 + 2 * (val & ADS1298_MASK_ID_CHANNELS);
+ switch (val & ADS1298_MASK_ID_FAMILY) {
+ case ADS1298_ID_FAMILY_ADS129X:
+ suffix = "";
+ break;
+ case ADS1298_ID_FAMILY_ADS129XR:
+ suffix = "r";
+ break;
+ default:
+ return dev_err_probe(dev, -ENODEV, "Unknown ID: 0x%x\n", val);
+ }
+ indio_dev->name = devm_kasprintf(dev, GFP_KERNEL, "ads129%u%s",
+ indio_dev->num_channels, suffix);
+
+ /* Enable internal test signal, double amplitude, double frequency */
+ ret = regmap_write(priv->regmap, ADS1298_REG_CONFIG2,
+ ADS1298_MASK_CONFIG2_RESERVED |
+ ADS1298_MASK_CONFIG2_INT_TEST |
+ ADS1298_MASK_CONFIG2_TEST_AMP |
+ ADS1298_MASK_CONFIG2_TEST_FREQ_FAST);
+ if (ret)
+ return ret;
+
+ val = ADS1298_MASK_CONFIG3_RESERVED; /* Must write 1 always */
+ if (!priv->reg_vref) {
+ /* Enable internal reference */
+ val |= ADS1298_MASK_CONFIG3_PWR_REFBUF;
+ /* Use 4V VREF when power supply is at least 4.4V */
+ if (regulator_get_voltage(priv->reg_avdd) >= 4400000)
+ val |= ADS1298_MASK_CONFIG3_VREF_4V;
+ }
+ return regmap_write(priv->regmap, ADS1298_REG_CONFIG3, val);
+}
+
+static int ads1298_probe(struct spi_device *spi)
+{
+ struct ads1298_private *priv;
+ struct iio_dev *indio_dev;
+ struct device *dev = &spi->dev;
+ struct gpio_desc *reset_gpio;
+ int ret;
+
+ indio_dev = devm_iio_device_alloc(dev, sizeof(*priv));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ priv = iio_priv(indio_dev);
+
+ /* Reset to be asserted before enabling clock and power */
+ reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(reset_gpio),
+ "Cannot get reset GPIO\n");
+
+ /* VREF can be supplied externally, otherwise use internal reference */
+ priv->reg_vref = devm_regulator_get_optional(dev, "vref");
+ if (IS_ERR(priv->reg_vref)) {
+ if (PTR_ERR(priv->reg_vref) != -ENODEV)
+ return dev_err_probe(dev, PTR_ERR(priv->reg_avdd),
+ "Failed to get vref regulator\n");
+
+ priv->reg_vref = NULL;
+ } else {
+ ret = regulator_enable(priv->reg_vref);
+ if (ret)
+ return ret;
+
+ ret = devm_add_action_or_reset(dev, ads1298_reg_disable, priv->reg_vref);
+ if (ret)
+ return ret;
+ }
+
+ priv->clk = devm_clk_get_optional_enabled(dev, "clk");
+ if (IS_ERR(priv->clk))
+ return dev_err_probe(dev, PTR_ERR(priv->clk), "Failed to get clk\n");
+
+ priv->reg_avdd = devm_regulator_get(dev, "avdd");
+ if (IS_ERR(priv->reg_avdd))
+ return dev_err_probe(dev, PTR_ERR(priv->reg_avdd),
+ "Failed to get avdd regulator\n");
+
+ ret = regulator_enable(priv->reg_avdd);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to enable avdd regulator\n");
+
+ ret = devm_add_action_or_reset(dev, ads1298_reg_disable, priv->reg_avdd);
+ if (ret)
+ return ret;
+
+ priv->spi = spi;
+ init_completion(&priv->completion);
+ spin_lock_init(&priv->irq_busy_lock);
+ priv->regmap = devm_regmap_init(dev, NULL, priv, &ads1298_regmap_config);
+ if (IS_ERR(priv->regmap))
+ return PTR_ERR(priv->regmap);
+
+ indio_dev->modes = INDIO_DIRECT_MODE | INDIO_BUFFER_SOFTWARE;
+ indio_dev->channels = ads1298_channels;
+ indio_dev->info = &ads1298_info;
+
+ if (reset_gpio) {
+ /*
+ * Deassert reset now that clock and power are active.
+ * Minimum reset pulsewidth is 2 clock cycles.
+ */
+ fsleep(ADS1298_CLOCKS_TO_USECS(2));
+ gpiod_set_value_cansleep(reset_gpio, 0);
+ } else {
+ ret = ads1298_write_cmd(priv, ADS1298_CMD_RESET);
+ if (ret)
+ return dev_err_probe(dev, ret, "RESET failed\n");
+ }
+ /* Wait 18 clock cycles for reset command to complete */
+ fsleep(ADS1298_CLOCKS_TO_USECS(18));
+
+ ret = ads1298_init(indio_dev);
+ if (ret)
+ return dev_err_probe(dev, ret, "Init failed\n");
+
+ priv->tx_buffer[0] = ADS1298_CMD_RDATA;
+ priv->rdata_xfer.tx_buf = priv->tx_buffer;
+ priv->rdata_xfer.rx_buf = priv->rx_buffer;
+ priv->rdata_xfer.len = ADS1298_SPI_RDATA_BUFFER_SIZE(indio_dev->num_channels);
+ /* Must keep CS low for 4 clocks */
+ priv->rdata_xfer.delay.value = 2;
+ priv->rdata_xfer.delay.unit = SPI_DELAY_UNIT_USECS;
+ spi_message_init_with_transfers(&priv->rdata_msg, &priv->rdata_xfer, 1);
+ priv->rdata_msg.complete = &ads1298_rdata_complete;
+ priv->rdata_msg.context = indio_dev;
+
+ ret = devm_request_irq(dev, spi->irq, &ads1298_interrupt,
+ IRQF_TRIGGER_FALLING, indio_dev->name,
+ indio_dev);
+ if (ret)
+ return ret;
+
+ ret = devm_iio_kfifo_buffer_setup(dev, indio_dev, &ads1298_setup_ops);
+ if (ret)
+ return ret;
+
+ return devm_iio_device_register(dev, indio_dev);
+}
+
+static const struct spi_device_id ads1298_id[] = {
+ { "ads1298" },
+ { }
+};
+MODULE_DEVICE_TABLE(spi, ads1298_id);
+
+static const struct of_device_id ads1298_of_table[] = {
+ { .compatible = "ti,ads1298" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ads1298_of_table);
+
+static struct spi_driver ads1298_driver = {
+ .driver = {
+ .name = "ads1298",
+ .of_match_table = ads1298_of_table,
+ },
+ .probe = ads1298_probe,
+ .id_table = ads1298_id,
+};
+module_spi_driver(ads1298_driver);
+
+MODULE_AUTHOR("Mike Looijmans <mike.looijmans@topic.nl>");
+MODULE_DESCRIPTION("TI ADS1298 ADC");
+MODULE_LICENSE("GPL");
--
GitLab
From 5a01e812a6fe8e1541e84f897c8b74ebfef1df7c Mon Sep 17 00:00:00 2001
From: Jonathan LoBue <jlobue10@gmail.com>
Date: Fri, 16 Feb 2024 10:22:53 -0800
Subject: [PATCH 0605/2686] iio: accel: bmc150: Document duplicate ACPI entries
with bmi323 driver
Adds a description of the duplicate ACPI identifier issue
between devices using bmc150 and bmi323.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Co-developed-by: Luke D. Jones <luke@ljones.dev>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Co-developed-by: Denis Benato <benato.denis96@gmail.com>
Signed-off-by: Denis Benato <benato.denis96@gmail.com>
Co-developed-by: Antheas Kapenekakis <lkml@antheas.dev>
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Signed-off-by: Jonathan LoBue <jlobue10@gmail.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240216182253.27069-1-jlobue10@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/bmc150-accel-i2c.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/iio/accel/bmc150-accel-i2c.c b/drivers/iio/accel/bmc150-accel-i2c.c
index f08594b372cfc..1c2e40369839a 100644
--- a/drivers/iio/accel/bmc150-accel-i2c.c
+++ b/drivers/iio/accel/bmc150-accel-i2c.c
@@ -224,6 +224,19 @@ static const struct acpi_device_id bmc150_accel_acpi_match[] = {
{"BMA250E"},
{"BMC150A"},
{"BMI055A"},
+ /*
+ * The "BOSC0200" identifier used here is not unique to devices using
+ * bmc150. The same "BOSC0200" identifier is found in the ACPI tables
+ * of the ASUS ROG ALLY and Ayaneo AIR Plus which both use a Bosch
+ * BMI323 chip. This creates a conflict with duplicate ACPI identifiers
+ * which multiple drivers want to use. Fortunately, when the bmc150
+ * driver starts to load on the ASUS ROG ALLY, the chip ID check
+ * portion fails (correctly) because the chip IDs received (via i2c)
+ * are unique between bmc150 and bmi323 and a dmesg output similar to
+ * this: "bmc150_accel_i2c i2c-BOSC0200:00: Invalid chip 0" can be
+ * seen. This allows the bmi323 driver to take over for ASUS ROG ALLY,
+ * and other devices using the bmi323 chip.
+ */
{"BOSC0200"},
{"BSBA0150"},
{"DUAL250E"},
--
GitLab
From 3cc5ebd3a2d6247aeba81873d6b040d5d87f7db1 Mon Sep 17 00:00:00 2001
From: Jonathan LoBue <jlobue10@gmail.com>
Date: Fri, 16 Feb 2024 10:23:08 -0800
Subject: [PATCH 0606/2686] iio: imu: bmi323: Add ACPI Match Table
Adds the ACPI match table for ASUS ROG ALLY to load the bmi323
driver with an ACPI match of "BOSC0200", and a comment about duplicate
ACPI identifiers between devices using the bmc150 and bmi323 chips.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Co-developed-by: Luke D. Jones <luke@ljones.dev>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Co-developed-by: Denis Benato <benato.denis96@gmail.com>
Signed-off-by: Denis Benato <benato.denis96@gmail.com>
Co-developed-by: Antheas Kapenekakis <lkml@antheas.dev>
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Signed-off-by: Jonathan LoBue <jlobue10@gmail.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240216182308.27125-1-jlobue10@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/imu/bmi323/bmi323_i2c.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/iio/imu/bmi323/bmi323_i2c.c b/drivers/iio/imu/bmi323/bmi323_i2c.c
index 20a8001b9956a..52140bf057658 100644
--- a/drivers/iio/imu/bmi323/bmi323_i2c.c
+++ b/drivers/iio/imu/bmi323/bmi323_i2c.c
@@ -93,6 +93,26 @@ static int bmi323_i2c_probe(struct i2c_client *i2c)
return bmi323_core_probe(dev);
}
+static const struct acpi_device_id bmi323_acpi_match[] = {
+ /*
+ * The "BOSC0200" identifier used here is not unique to bmi323 devices.
+ * The same "BOSC0200" identifier is found in the ACPI tables of devices
+ * using the bmc150 chip. This creates a conflict with duplicate ACPI
+ * identifiers which multiple drivers want to use. If a non-bmi323
+ * device starts to load with this "BOSC0200" ACPI match here, then the
+ * chip ID check portion should fail because the chip IDs received (via
+ * i2c) are unique between bmc150 and bmi323 and the driver should
+ * relinquish the device. If and when a different driver (such as
+ * bmc150) starts to load with the "BOSC0200" ACPI match, a short reset
+ * should ensure that the device is not in a bad state during that
+ * driver initialization. This device reset does occur in both the
+ * bmi323 and bmc150 init sequences.
+ */
+ { "BOSC0200" },
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, bmi323_acpi_match);
+
static const struct i2c_device_id bmi323_i2c_ids[] = {
{ "bmi323" },
{ }
@@ -109,6 +129,7 @@ static struct i2c_driver bmi323_i2c_driver = {
.driver = {
.name = "bmi323",
.of_match_table = bmi323_of_i2c_match,
+ .acpi_match_table = bmi323_acpi_match,
},
.probe = bmi323_i2c_probe,
.id_table = bmi323_i2c_ids,
--
GitLab
From 3bf0514dc6f36f81ee11b1becd977cb87b4c90c6 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Mon, 19 Feb 2024 20:59:52 +0100
Subject: [PATCH 0607/2686] Revert "xhci: add helper to stop endpoint and wait
for completion"
This reverts commit 9affb1d9a9d9918adff519a129daba5e369dd741.
It's not ready to be merged, based on reviews.
Reported-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/96ab6033-2cb9-daa7-ddad-090138896739@linux.intel.com
Cc: Wesley Cheng <quic_wcheng@quicinc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci.c | 62 +++++++++++------------------------------
drivers/usb/host/xhci.h | 2 --
2 files changed, 16 insertions(+), 48 deletions(-)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 872ce8c1a5ba5..b405b8236134c 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -2796,48 +2796,6 @@ static int xhci_reserve_bandwidth(struct xhci_hcd *xhci,
return -ENOMEM;
}
-/*
- * Synchronous XHCI stop endpoint helper. Issues the stop endpoint command and
- * waits for the command completion before returning.
- */
-int xhci_stop_endpoint_sync(struct xhci_hcd *xhci, struct xhci_virt_ep *ep, int suspend,
- gfp_t gfp_flags)
-{
- struct xhci_command *command;
- unsigned long flags;
- int ret;
-
- command = xhci_alloc_command(xhci, true, gfp_flags);
- if (!command)
- return -ENOMEM;
-
- spin_lock_irqsave(&xhci->lock, flags);
- ret = xhci_queue_stop_endpoint(xhci, command, ep->vdev->slot_id,
- ep->ep_index, suspend);
- if (ret < 0) {
- spin_unlock_irqrestore(&xhci->lock, flags);
- goto out;
- }
-
- xhci_ring_cmd_db(xhci);
- spin_unlock_irqrestore(&xhci->lock, flags);
-
- ret = wait_for_completion_timeout(command->completion, msecs_to_jiffies(3000));
- if (!ret)
- xhci_warn(xhci, "%s: Unable to stop endpoint.\n",
- __func__);
-
- if (command->status == COMP_COMMAND_ABORTED ||
- command->status == COMP_COMMAND_RING_STOPPED) {
- xhci_warn(xhci, "Timeout while waiting for stop endpoint command\n");
- ret = -ETIME;
- }
-out:
- xhci_free_command(xhci, command);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(xhci_stop_endpoint_sync);
/* Issue a configure endpoint command or evaluate context command
* and wait for it to finish.
@@ -3161,7 +3119,7 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd,
struct xhci_virt_device *vdev;
struct xhci_virt_ep *ep;
struct xhci_input_control_ctx *ctrl_ctx;
- struct xhci_command *cfg_cmd;
+ struct xhci_command *stop_cmd, *cfg_cmd;
unsigned int ep_index;
unsigned long flags;
u32 ep_flag;
@@ -3219,6 +3177,10 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd,
if (ep_flag == SLOT_FLAG || ep_flag == EP0_FLAG)
return;
+ stop_cmd = xhci_alloc_command(xhci, true, GFP_NOWAIT);
+ if (!stop_cmd)
+ return;
+
cfg_cmd = xhci_alloc_command_with_ctx(xhci, true, GFP_NOWAIT);
if (!cfg_cmd)
goto cleanup;
@@ -3241,16 +3203,23 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd,
goto cleanup;
}
- spin_unlock_irqrestore(&xhci->lock, flags);
-
- err = xhci_stop_endpoint_sync(xhci, ep, 0, GFP_NOWAIT);
+ err = xhci_queue_stop_endpoint(xhci, stop_cmd, udev->slot_id,
+ ep_index, 0);
if (err < 0) {
+ spin_unlock_irqrestore(&xhci->lock, flags);
+ xhci_free_command(xhci, cfg_cmd);
xhci_dbg(xhci, "%s: Failed to queue stop ep command, %d ",
__func__, err);
goto cleanup;
}
+ xhci_ring_cmd_db(xhci);
+ spin_unlock_irqrestore(&xhci->lock, flags);
+
+ wait_for_completion(stop_cmd->completion);
+
spin_lock_irqsave(&xhci->lock, flags);
+
/* config ep command clears toggle if add and drop ep flags are set */
ctrl_ctx = xhci_get_input_control_ctx(cfg_cmd->in_ctx);
if (!ctrl_ctx) {
@@ -3282,6 +3251,7 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd,
xhci_free_command(xhci, cfg_cmd);
cleanup:
+ xhci_free_command(xhci, stop_cmd);
spin_lock_irqsave(&xhci->lock, flags);
if (ep->ep_state & EP_SOFT_CLEAR_TOGGLE)
ep->ep_state &= ~EP_SOFT_CLEAR_TOGGLE;
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 4f5e5187ea46c..6e09b9130fae0 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1920,8 +1920,6 @@ void xhci_ring_doorbell_for_active_rings(struct xhci_hcd *xhci,
void xhci_cleanup_command_queue(struct xhci_hcd *xhci);
void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring);
unsigned int count_trbs(u64 addr, u64 len);
-int xhci_stop_endpoint_sync(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
- int suspend, gfp_t gfp_flags);
/* xHCI roothub code */
void xhci_set_link_state(struct xhci_hcd *xhci, struct xhci_port *port,
--
GitLab
From 70317fd24b419091aa0a6dc3ea3ec7bb50c37c32 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Tue, 30 Jan 2024 10:46:27 -0800
Subject: [PATCH 0608/2686] sysfs: Introduce a mechanism to hide static
attribute_groups
Add a mechanism for named attribute_groups to hide their directory at
sysfs_update_group() time, or otherwise skip emitting the group
directory when the group is first registered. It piggybacks on
is_visible() in a similar manner as SYSFS_PREALLOC, i.e. special flags
in the upper bits of the returned mode. To use it, specify a symbol
prefix to DEFINE_SYSFS_GROUP_VISIBLE(), and then pass that same prefix
to SYSFS_GROUP_VISIBLE() when assigning the @is_visible() callback:
DEFINE_SYSFS_GROUP_VISIBLE($prefix)
struct attribute_group $prefix_group = {
.name = $name,
.is_visible = SYSFS_GROUP_VISIBLE($prefix),
};
SYSFS_GROUP_VISIBLE() expects a definition of $prefix_group_visible()
and $prefix_attr_visible(), where $prefix_group_visible() just returns
true / false and $prefix_attr_visible() behaves as normal.
The motivation for this capability is to centralize PCI device
authentication in the PCI core with a named sysfs group while keeping
that group hidden for devices and platforms that do not meet the
requirements. In a PCI topology, most devices will not support
authentication, a small subset will support just PCI CMA (Component
Measurement and Authentication), a smaller subset will support PCI CMA +
PCIe IDE (Link Integrity and Encryption), and only next generation
server hosts will start to include a platform TSM (TEE Security
Manager).
Without this capability the alternatives are:
* Check if all attributes are invisible and if so, hide the directory.
Beyond trouble getting this to work [1], this is an ABI change for
scenarios if userspace happens to depend on group visibility absent any
attributes. I.e. this new capability avoids regression since it does
not retroactively apply to existing cases.
* Publish an empty /sys/bus/pci/devices/$pdev/tsm/ directory for all PCI
devices (i.e. for the case when TSM platform support is present, but
device support is absent). Unfortunate that this will be a vestigial
empty directory in the vast majority of cases.
* Reintroduce usage of runtime calls to sysfs_{create,remove}_group()
in the PCI core. Bjorn has already indicated that he does not want to
see any growth of pci_sysfs_init() [2].
* Drop the named group and simulate a directory by prefixing all
TSM-related attributes with "tsm_". Unfortunate to not use the naming
capability of a sysfs group as intended.
In comparison, there is a small potential for regression if for some
reason an @is_visible() callback had dependencies on how many times it
was called. Additionally, it is no longer an error to update a group
that does not have its directory already present, and it is no longer a
WARN() to remove a group that was never visible.
Link: https://lore.kernel.org/all/2024012321-envious-procedure-4a58@gregkh/ [1]
Link: https://lore.kernel.org/linux-pci/20231019200110.GA1410324@bhelgaas/ [2]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/2024013028-deflator-flaring-ec62@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/sysfs/group.c | 45 ++++++++++++++++++++++++-------
include/linux/sysfs.h | 63 ++++++++++++++++++++++++++++++++++---------
2 files changed, 87 insertions(+), 21 deletions(-)
diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c
index 138676463336c..ccb275cdabcb6 100644
--- a/fs/sysfs/group.c
+++ b/fs/sysfs/group.c
@@ -31,6 +31,17 @@ static void remove_files(struct kernfs_node *parent,
kernfs_remove_by_name(parent, (*bin_attr)->attr.name);
}
+static umode_t __first_visible(const struct attribute_group *grp, struct kobject *kobj)
+{
+ if (grp->attrs && grp->is_visible)
+ return grp->is_visible(kobj, grp->attrs[0], 0);
+
+ if (grp->bin_attrs && grp->is_bin_visible)
+ return grp->is_bin_visible(kobj, grp->bin_attrs[0], 0);
+
+ return 0;
+}
+
static int create_files(struct kernfs_node *parent, struct kobject *kobj,
kuid_t uid, kgid_t gid,
const struct attribute_group *grp, int update)
@@ -52,6 +63,7 @@ static int create_files(struct kernfs_node *parent, struct kobject *kobj,
kernfs_remove_by_name(parent, (*attr)->name);
if (grp->is_visible) {
mode = grp->is_visible(kobj, *attr, i);
+ mode &= ~SYSFS_GROUP_INVISIBLE;
if (!mode)
continue;
}
@@ -81,6 +93,7 @@ static int create_files(struct kernfs_node *parent, struct kobject *kobj,
(*bin_attr)->attr.name);
if (grp->is_bin_visible) {
mode = grp->is_bin_visible(kobj, *bin_attr, i);
+ mode &= ~SYSFS_GROUP_INVISIBLE;
if (!mode)
continue;
}
@@ -127,16 +140,31 @@ static int internal_create_group(struct kobject *kobj, int update,
kobject_get_ownership(kobj, &uid, &gid);
if (grp->name) {
+ umode_t mode = __first_visible(grp, kobj);
+
+ if (mode & SYSFS_GROUP_INVISIBLE)
+ mode = 0;
+ else
+ mode = S_IRWXU | S_IRUGO | S_IXUGO;
+
if (update) {
kn = kernfs_find_and_get(kobj->sd, grp->name);
if (!kn) {
- pr_warn("Can't update unknown attr grp name: %s/%s\n",
- kobj->name, grp->name);
- return -EINVAL;
+ pr_debug("attr grp %s/%s not created yet\n",
+ kobj->name, grp->name);
+ /* may have been invisible prior to this update */
+ update = 0;
+ } else if (!mode) {
+ sysfs_remove_group(kobj, grp);
+ kernfs_put(kn);
+ return 0;
}
- } else {
- kn = kernfs_create_dir_ns(kobj->sd, grp->name,
- S_IRWXU | S_IRUGO | S_IXUGO,
+ }
+
+ if (!update) {
+ if (!mode)
+ return 0;
+ kn = kernfs_create_dir_ns(kobj->sd, grp->name, mode,
uid, gid, kobj, NULL);
if (IS_ERR(kn)) {
if (PTR_ERR(kn) == -EEXIST)
@@ -279,9 +307,8 @@ void sysfs_remove_group(struct kobject *kobj,
if (grp->name) {
kn = kernfs_find_and_get(parent, grp->name);
if (!kn) {
- WARN(!kn, KERN_WARNING
- "sysfs group '%s' not found for kobject '%s'\n",
- grp->name, kobject_name(kobj));
+ pr_debug("sysfs group '%s' not found for kobject '%s'\n",
+ grp->name, kobject_name(kobj));
return;
}
} else {
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index b717a70219f65..a42642b277dd0 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -61,22 +61,32 @@ do { \
/**
* struct attribute_group - data structure used to declare an attribute group.
* @name: Optional: Attribute group name
- * If specified, the attribute group will be created in
- * a new subdirectory with this name.
+ * If specified, the attribute group will be created in a
+ * new subdirectory with this name. Additionally when a
+ * group is named, @is_visible and @is_bin_visible may
+ * return SYSFS_GROUP_INVISIBLE to control visibility of
+ * the directory itself.
* @is_visible: Optional: Function to return permissions associated with an
- * attribute of the group. Will be called repeatedly for each
- * non-binary attribute in the group. Only read/write
+ * attribute of the group. Will be called repeatedly for
+ * each non-binary attribute in the group. Only read/write
* permissions as well as SYSFS_PREALLOC are accepted. Must
- * return 0 if an attribute is not visible. The returned value
- * will replace static permissions defined in struct attribute.
+ * return 0 if an attribute is not visible. The returned
+ * value will replace static permissions defined in struct
+ * attribute. Use SYSFS_GROUP_VISIBLE() when assigning this
+ * callback to specify separate _group_visible() and
+ * _attr_visible() handlers.
* @is_bin_visible:
* Optional: Function to return permissions associated with a
* binary attribute of the group. Will be called repeatedly
* for each binary attribute in the group. Only read/write
- * permissions as well as SYSFS_PREALLOC are accepted. Must
- * return 0 if a binary attribute is not visible. The returned
- * value will replace static permissions defined in
- * struct bin_attribute.
+ * permissions as well as SYSFS_PREALLOC (and the
+ * visibility flags for named groups) are accepted. Must
+ * return 0 if a binary attribute is not visible. The
+ * returned value will replace static permissions defined
+ * in struct bin_attribute. If @is_visible is not set, Use
+ * SYSFS_GROUP_VISIBLE() when assigning this callback to
+ * specify separate _group_visible() and _attr_visible()
+ * handlers.
* @attrs: Pointer to NULL terminated list of attributes.
* @bin_attrs: Pointer to NULL terminated list of binary attributes.
* Either attrs or bin_attrs or both must be provided.
@@ -91,13 +101,42 @@ struct attribute_group {
struct bin_attribute **bin_attrs;
};
+#define SYSFS_PREALLOC 010000
+#define SYSFS_GROUP_INVISIBLE 020000
+
+/*
+ * The first call to is_visible() in the create / update path may
+ * indicate visibility for the entire group
+ */
+#define DEFINE_SYSFS_GROUP_VISIBLE(name) \
+ static inline umode_t sysfs_group_visible_##name( \
+ struct kobject *kobj, struct attribute *attr, int n) \
+ { \
+ if (n == 0 && !name##_group_visible(kobj)) \
+ return SYSFS_GROUP_INVISIBLE; \
+ return name##_attr_visible(kobj, attr, n); \
+ }
+
+/*
+ * Same as DEFINE_SYSFS_GROUP_VISIBLE, but for groups with only binary
+ * attributes
+ */
+#define DEFINE_SYSFS_BIN_GROUP_VISIBLE(name) \
+ static inline umode_t sysfs_group_visible_##name( \
+ struct kobject *kobj, struct bin_attribute *attr, int n) \
+ { \
+ if (n == 0 && !name##_group_visible(kobj)) \
+ return SYSFS_GROUP_INVISIBLE; \
+ return name##_attr_visible(kobj, attr, n); \
+ }
+
+#define SYSFS_GROUP_VISIBLE(fn) sysfs_group_visible_##fn
+
/*
* Use these macros to make defining attributes easier.
* See include/linux/device.h for examples..
*/
-#define SYSFS_PREALLOC 010000
-
#define __ATTR(_name, _mode, _show, _store) { \
.attr = {.name = __stringify(_name), \
.mode = VERIFY_OCTAL_PERMISSIONS(_mode) }, \
--
GitLab
From 63724bbfb1e6b5e202f9393da4b25d4e7a46f5ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 19 Feb 2024 21:28:35 +0100
Subject: [PATCH 0609/2686] w1: mxc_w1: Convert to platform remove callback
returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/d805f3ccc5bc59584c2575b7b33a56a33f6812c7.1708340114.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
drivers/w1/masters/mxc_w1.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c
index 090cbbf9e1e22..ba1d0866d1c40 100644
--- a/drivers/w1/masters/mxc_w1.c
+++ b/drivers/w1/masters/mxc_w1.c
@@ -151,15 +151,13 @@ static int mxc_w1_probe(struct platform_device *pdev)
/*
* disassociate the w1 device from the driver
*/
-static int mxc_w1_remove(struct platform_device *pdev)
+static void mxc_w1_remove(struct platform_device *pdev)
{
struct mxc_w1_device *mdev = platform_get_drvdata(pdev);
w1_remove_master_device(&mdev->bus_master);
clk_disable_unprepare(mdev->clk);
-
- return 0;
}
static const struct of_device_id mxc_w1_dt_ids[] = {
@@ -174,7 +172,7 @@ static struct platform_driver mxc_w1_driver = {
.of_match_table = mxc_w1_dt_ids,
},
.probe = mxc_w1_probe,
- .remove = mxc_w1_remove,
+ .remove_new = mxc_w1_remove,
};
module_platform_driver(mxc_w1_driver);
--
GitLab
From aa68465cf3d39996b291fb2080946c2e4d7cc100 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 19 Feb 2024 11:59:28 +0100
Subject: [PATCH 0610/2686] w1: omap_hdq: Convert to platform remove callback
returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/f3a7eaee59020bf879249304eaaf9839c7e17222.1708340114.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
drivers/w1/masters/omap_hdq.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c
index 6a39b71eb7184..d1cb5190445a9 100644
--- a/drivers/w1/masters/omap_hdq.c
+++ b/drivers/w1/masters/omap_hdq.c
@@ -647,7 +647,7 @@ static int omap_hdq_probe(struct platform_device *pdev)
return ret;
}
-static int omap_hdq_remove(struct platform_device *pdev)
+static void omap_hdq_remove(struct platform_device *pdev)
{
int active;
@@ -661,8 +661,6 @@ static int omap_hdq_remove(struct platform_device *pdev)
if (active >= 0)
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
-
- return 0;
}
static const struct of_device_id omap_hdq_dt_ids[] = {
@@ -674,7 +672,7 @@ MODULE_DEVICE_TABLE(of, omap_hdq_dt_ids);
static struct platform_driver omap_hdq_driver = {
.probe = omap_hdq_probe,
- .remove = omap_hdq_remove,
+ .remove_new = omap_hdq_remove,
.driver = {
.name = "omap_hdq",
.of_match_table = omap_hdq_dt_ids,
--
GitLab
From d7516044f167b219dae13010e6ff790e3fc96ef5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 19 Feb 2024 21:28:36 +0100
Subject: [PATCH 0611/2686] w1: sgi_w1: Convert to platform remove callback
returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/68632fffa01f69eeaddfc0ad9de8f067b164e4fb.1708340114.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
drivers/w1/masters/sgi_w1.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/w1/masters/sgi_w1.c b/drivers/w1/masters/sgi_w1.c
index d7fbc3c146e1c..7bb7876aa70e6 100644
--- a/drivers/w1/masters/sgi_w1.c
+++ b/drivers/w1/masters/sgi_w1.c
@@ -105,13 +105,11 @@ static int sgi_w1_probe(struct platform_device *pdev)
/*
* disassociate the w1 device from the driver
*/
-static int sgi_w1_remove(struct platform_device *pdev)
+static void sgi_w1_remove(struct platform_device *pdev)
{
struct sgi_w1_device *sdev = platform_get_drvdata(pdev);
w1_remove_master_device(&sdev->bus_master);
-
- return 0;
}
static struct platform_driver sgi_w1_driver = {
@@ -119,7 +117,7 @@ static struct platform_driver sgi_w1_driver = {
.name = "sgi_w1",
},
.probe = sgi_w1_probe,
- .remove = sgi_w1_remove,
+ .remove_new = sgi_w1_remove,
};
module_platform_driver(sgi_w1_driver);
--
GitLab
From d97d263132a69a0bda54efce3df04e55fa6341f7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 19 Feb 2024 11:59:30 +0100
Subject: [PATCH 0612/2686] w1: w1-gpio: Convert to platform remove callback
returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/bd69ccde7395cf4bf63765e29c1ce83834d3669b.1708340114.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
drivers/w1/masters/w1-gpio.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c
index 05c67038ed20c..34128e6bbbfaf 100644
--- a/drivers/w1/masters/w1-gpio.c
+++ b/drivers/w1/masters/w1-gpio.c
@@ -141,7 +141,7 @@ static int w1_gpio_probe(struct platform_device *pdev)
return 0;
}
-static int w1_gpio_remove(struct platform_device *pdev)
+static void w1_gpio_remove(struct platform_device *pdev)
{
struct w1_bus_master *master = platform_get_drvdata(pdev);
struct w1_gpio_ddata *ddata = master->data;
@@ -150,8 +150,6 @@ static int w1_gpio_remove(struct platform_device *pdev)
gpiod_set_value(ddata->pullup_gpiod, 0);
w1_remove_master_device(master);
-
- return 0;
}
static struct platform_driver w1_gpio_driver = {
@@ -160,7 +158,7 @@ static struct platform_driver w1_gpio_driver = {
.of_match_table = of_match_ptr(w1_gpio_dt_ids),
},
.probe = w1_gpio_probe,
- .remove = w1_gpio_remove,
+ .remove_new = w1_gpio_remove,
};
module_platform_driver(w1_gpio_driver);
--
GitLab
From 7c4aa901bd9d7e95be95a5c888d026b3214bae05 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:22 +0900
Subject: [PATCH 0613/2686] kconfig: move strhash() to util.c as a global
function
Remove the 'static' qualifier from strhash() so that it can be accessed
from other files. Move it to util.c, which is a more appropriate location.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/lkc.h | 1 +
scripts/kconfig/symbol.c | 9 ---------
scripts/kconfig/util.c | 10 ++++++++++
3 files changed, 11 insertions(+), 9 deletions(-)
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 71afcbd562739..e69d7c59d9302 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -52,6 +52,7 @@ static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
}
/* util.c */
+unsigned int strhash(const char *s);
const char *file_lookup(const char *name);
void *xmalloc(size_t size);
void *xcalloc(size_t nmemb, size_t size);
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index dae630a74e50e..3dbe3a19622ba 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -803,15 +803,6 @@ bool sym_is_changeable(struct symbol *sym)
return sym->visible > sym->rev_dep.tri;
}
-static unsigned strhash(const char *s)
-{
- /* fnv32 hash */
- unsigned hash = 2166136261U;
- for (; *s; s++)
- hash = (hash ^ *s) * 0x01000193;
- return hash;
-}
-
struct symbol *sym_lookup(const char *name, int flags)
{
struct symbol *symbol;
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index 610d64c01479b..d6172f2f64c99 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -9,6 +9,16 @@
#include <string.h>
#include "lkc.h"
+unsigned int strhash(const char *s)
+{
+ /* fnv32 hash */
+ unsigned int hash = 2166136261U;
+
+ for (; *s; s++)
+ hash = (hash ^ *s) * 0x01000193;
+ return hash;
+}
+
struct file {
struct file *next;
char name[];
--
GitLab
From 980c9e198f1c5563380bed2a2672e592edf9efaa Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:23 +0900
Subject: [PATCH 0614/2686] kconfig: convert linked list of files to hash table
Currently, a linked list is used to keep track of all the Kconfig
files that have ever been parsed. Every time the "source" statement
is encountered, the linked list is traversed to check if the file has
been opened before. This prevents the same file from being recorded
in include/config/auto.conf.cmd again.
Given 1500+ Kconfig files parsed, a hashtable is now a more optimal
data structure.
By the way, you may wonder why we check this in the first place.
It matters only when the same file is included multiple times.
In old days, such a use case was forbidden, but commit f094f8a1b273
("kconfig: allow multiple inclusion of the same file") provided a bit
more flexibility. Of course, it is almost hypothetical...
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/util.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index d6172f2f64c99..439c131b424e7 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -7,6 +7,8 @@
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
+
+#include "hashtable.h"
#include "lkc.h"
unsigned int strhash(const char *s)
@@ -19,32 +21,32 @@ unsigned int strhash(const char *s)
return hash;
}
+/* hash table of all parsed Kconfig files */
+static HASHTABLE_DEFINE(file_hashtable, 1U << 11);
+
struct file {
- struct file *next;
+ struct hlist_node node;
char name[];
};
-static struct file *file_list;
-
/* file already present in list? If not add it */
const char *file_lookup(const char *name)
{
struct file *file;
size_t len;
+ int hash = strhash(name);
- for (file = file_list; file; file = file->next) {
- if (!strcmp(name, file->name)) {
+ hash_for_each_possible(file_hashtable, file, node, hash)
+ if (!strcmp(name, file->name))
return file->name;
- }
- }
len = strlen(name);
file = xmalloc(sizeof(*file) + len + 1);
memset(file, 0, sizeof(*file));
memcpy(file->name, name, len);
file->name[len] = '\0';
- file->next = file_list;
- file_list = file;
+
+ hash_add(file_hashtable, &file->node, hash);
str_printf(&autoconf_cmd, "\t%s \\\n", name);
--
GitLab
From 7d5f52a4334c5227408b14c2e76d8840aa26f132 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 3 Feb 2024 00:58:25 +0900
Subject: [PATCH 0615/2686] kconfig: do not imply the type of choice value
Do not feed back the choice type to choice values.
Each choice value should explicitly specify 'bool' or 'tristate',
as all the Kconfig files already do. If the type were missing,
"config symbol defined without type" would be shown.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/menu.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 696803d944e01..44465945d6b12 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -305,12 +305,6 @@ void menu_finalize(struct menu *parent)
}
}
}
- /* set the type of the remaining choice values */
- for (menu = parent->list; menu; menu = menu->next) {
- current_entry = menu;
- if (menu->sym && menu->sym->type == S_UNKNOWN)
- menu_set_type(sym->type);
- }
/*
* Use the choice itself as the parent dependency of
--
GitLab
From cc25cfc563adc48c84f1eec6432b369bcab73ca6 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 11 Feb 2024 21:41:04 +0900
Subject: [PATCH 0616/2686] kconfig: print recursive dependency errors in the
parsed order
for_all_symbols() iterates in the symbol hash table. The order of
iteration depends on the hash table implementation.
If you use it for printing errors, they are shown in random order.
For example, the order of following test input and the corresponding
error do not match:
- scripts/kconfig/tests/err_recursive_dep/Kconfig
- scripts/kconfig/tests/err_recursive_dep/expected_stderr
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/parser.y | 20 +++++++++++++----
.../tests/err_recursive_dep/expected_stderr | 22 +++++++++----------
2 files changed, 27 insertions(+), 15 deletions(-)
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index e58c24d2e5abe..efd0e234e0d28 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -473,8 +473,7 @@ assign_val:
void conf_parse(const char *name)
{
- struct symbol *sym;
- int i;
+ struct menu *menu;
autoconf_cmd = str_new();
@@ -517,10 +516,23 @@ void conf_parse(const char *name)
}
menu_finalize(&rootmenu);
- for_all_symbols(i, sym) {
- if (sym_check_deps(sym))
+
+ menu = &rootmenu;
+ while (menu) {
+ if (menu->sym && sym_check_deps(menu->sym))
yynerrs++;
+
+ if (menu->list) {
+ menu = menu->list;
+ continue;
+ }
+
+ while (!menu->next && menu->parent)
+ menu = menu->parent;
+
+ menu = menu->next;
}
+
if (yynerrs)
exit(1);
conf_set_changed(true);
diff --git a/scripts/kconfig/tests/err_recursive_dep/expected_stderr b/scripts/kconfig/tests/err_recursive_dep/expected_stderr
index c9f4abf9a7916..05d4ced703206 100644
--- a/scripts/kconfig/tests/err_recursive_dep/expected_stderr
+++ b/scripts/kconfig/tests/err_recursive_dep/expected_stderr
@@ -1,10 +1,10 @@
-Kconfig:11:error: recursive dependency detected!
-Kconfig:11: symbol B is selected by B
+Kconfig:5:error: recursive dependency detected!
+Kconfig:5: symbol A depends on A
For a resolution refer to Documentation/kbuild/kconfig-language.rst
subsection "Kconfig recursive dependency limitations"
-Kconfig:5:error: recursive dependency detected!
-Kconfig:5: symbol A depends on A
+Kconfig:11:error: recursive dependency detected!
+Kconfig:11: symbol B is selected by B
For a resolution refer to Documentation/kbuild/kconfig-language.rst
subsection "Kconfig recursive dependency limitations"
@@ -14,9 +14,9 @@ Kconfig:21: symbol C2 depends on C1
For a resolution refer to Documentation/kbuild/kconfig-language.rst
subsection "Kconfig recursive dependency limitations"
-Kconfig:32:error: recursive dependency detected!
-Kconfig:32: symbol D2 is selected by D1
+Kconfig:27:error: recursive dependency detected!
Kconfig:27: symbol D1 depends on D2
+Kconfig:32: symbol D2 is selected by D1
For a resolution refer to Documentation/kbuild/kconfig-language.rst
subsection "Kconfig recursive dependency limitations"
@@ -26,13 +26,13 @@ Kconfig:42: symbol E2 is implied by E1
For a resolution refer to Documentation/kbuild/kconfig-language.rst
subsection "Kconfig recursive dependency limitations"
-Kconfig:60:error: recursive dependency detected!
-Kconfig:60: symbol G depends on G
+Kconfig:49:error: recursive dependency detected!
+Kconfig:49: symbol F1 default value contains F2
+Kconfig:51: symbol F2 depends on F1
For a resolution refer to Documentation/kbuild/kconfig-language.rst
subsection "Kconfig recursive dependency limitations"
-Kconfig:51:error: recursive dependency detected!
-Kconfig:51: symbol F2 depends on F1
-Kconfig:49: symbol F1 default value contains F2
+Kconfig:60:error: recursive dependency detected!
+Kconfig:60: symbol G depends on G
For a resolution refer to Documentation/kbuild/kconfig-language.rst
subsection "Kconfig recursive dependency limitations"
--
GitLab
From 91b69454f93d1c905f3a56bb39856db9a220c791 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 11 Feb 2024 21:41:05 +0900
Subject: [PATCH 0617/2686] kconfig: use generic macros to implement symbol
hashtable
Use helper macros in hashtable.h for generic hashtable implementation.
We can git rid of the hash head index of for_all_symbols().
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/conf.c | 12 ++++++------
scripts/kconfig/confdata.c | 25 ++++++++++++-------------
scripts/kconfig/expr.h | 9 ++++-----
scripts/kconfig/internal.h | 9 +++++++++
scripts/kconfig/lkc_proto.h | 2 --
scripts/kconfig/parser.y | 2 --
scripts/kconfig/symbol.c | 22 +++++++++++-----------
7 files changed, 42 insertions(+), 39 deletions(-)
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 662a5e7c37c28..b5730061872ba 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -14,6 +14,7 @@
#include <sys/time.h>
#include <errno.h>
+#include "internal.h"
#include "lkc.h"
static void conf(struct menu *menu);
@@ -171,7 +172,7 @@ enum conf_def_mode {
static bool conf_set_all_new_symbols(enum conf_def_mode mode)
{
struct symbol *sym, *csym;
- int i, cnt;
+ int cnt;
/*
* can't go as the default in switch-case below, otherwise gcc whines
* about -Wmaybe-uninitialized
@@ -226,7 +227,7 @@ static bool conf_set_all_new_symbols(enum conf_def_mode mode)
}
}
- for_all_symbols(i, sym) {
+ for_all_symbols(sym) {
if (sym_has_value(sym) || sym->flags & SYMBOL_VALID)
continue;
switch (sym_get_type(sym)) {
@@ -278,14 +279,14 @@ static bool conf_set_all_new_symbols(enum conf_def_mode mode)
* and the rest to no.
*/
if (mode != def_random) {
- for_all_symbols(i, csym) {
+ for_all_symbols(csym) {
if ((sym_is_choice(csym) && !sym_has_value(csym)) ||
sym_is_choice_value(csym))
csym->flags |= SYMBOL_NEED_SET_CHOICE_VALUES;
}
}
- for_all_symbols(i, csym) {
+ for_all_symbols(csym) {
if (sym_has_value(csym) || !sym_is_choice(csym))
continue;
@@ -304,9 +305,8 @@ static bool conf_set_all_new_symbols(enum conf_def_mode mode)
static void conf_rewrite_tristates(tristate old_val, tristate new_val)
{
struct symbol *sym;
- int i;
- for_all_symbols(i, sym) {
+ for_all_symbols(sym) {
if (sym_get_type(sym) == S_TRISTATE &&
sym->def[S_DEF_USER].tri == old_val)
sym->def[S_DEF_USER].tri = new_val;
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index dafc572e7b7e3..c5b6487d68ac4 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -18,6 +18,7 @@
#include <time.h>
#include <unistd.h>
+#include "internal.h"
#include "lkc.h"
struct gstr autoconf_cmd;
@@ -322,7 +323,7 @@ int conf_read_simple(const char *name, int def)
size_t line_asize = 0;
char *p, *val;
struct symbol *sym;
- int i, def_flags;
+ int def_flags;
const char *warn_unknown, *sym_name;
warn_unknown = getenv("KCONFIG_WARN_UNKNOWN_SYMBOLS");
@@ -380,7 +381,7 @@ int conf_read_simple(const char *name, int def)
conf_warnings = 0;
def_flags = SYMBOL_DEF << def;
- for_all_symbols(i, sym) {
+ for_all_symbols(sym) {
sym->flags |= SYMBOL_CHANGED;
sym->flags &= ~(def_flags|SYMBOL_VALID);
if (sym_is_choice(sym))
@@ -489,7 +490,6 @@ int conf_read(const char *name)
{
struct symbol *sym;
int conf_unsaved = 0;
- int i;
conf_set_changed(false);
@@ -500,7 +500,7 @@ int conf_read(const char *name)
sym_calc_value(modules_sym);
- for_all_symbols(i, sym) {
+ for_all_symbols(sym) {
sym_calc_value(sym);
if (sym_is_choice(sym) || (sym->flags & SYMBOL_NO_WRITE))
continue;
@@ -524,7 +524,7 @@ int conf_read(const char *name)
/* maybe print value in verbose mode... */
}
- for_all_symbols(i, sym) {
+ for_all_symbols(sym) {
if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
/* Reset values of generates values, so they'll appear
* as new, if they should become visible, but that
@@ -862,7 +862,6 @@ int conf_write(const char *name)
const char *str;
char tmpname[PATH_MAX + 1], oldname[PATH_MAX + 1];
char *env;
- int i;
bool need_newline = false;
if (!name)
@@ -946,7 +945,7 @@ int conf_write(const char *name)
}
fclose(out);
- for_all_symbols(i, sym)
+ for_all_symbols(sym)
sym->flags &= ~SYMBOL_WRITTEN;
if (*tmpname) {
@@ -1016,7 +1015,7 @@ static int conf_touch_deps(void)
{
const char *name, *tmp;
struct symbol *sym;
- int res, i;
+ int res;
name = conf_get_autoconfig_name();
tmp = strrchr(name, '/');
@@ -1030,7 +1029,7 @@ static int conf_touch_deps(void)
conf_read_simple(name, S_DEF_AUTO);
sym_calc_value(modules_sym);
- for_all_symbols(i, sym) {
+ for_all_symbols(sym) {
sym_calc_value(sym);
if ((sym->flags & SYMBOL_NO_WRITE) || !sym->name)
continue;
@@ -1096,7 +1095,7 @@ static int __conf_write_autoconf(const char *filename,
char tmp[PATH_MAX];
FILE *file;
struct symbol *sym;
- int ret, i;
+ int ret;
if (make_parent_dir(filename))
return -1;
@@ -1113,7 +1112,7 @@ static int __conf_write_autoconf(const char *filename,
conf_write_heading(file, comment_style);
- for_all_symbols(i, sym)
+ for_all_symbols(sym)
if ((sym->flags & SYMBOL_WRITE) && sym->name)
print_symbol(file, sym);
@@ -1136,7 +1135,7 @@ int conf_write_autoconf(int overwrite)
{
struct symbol *sym;
const char *autoconf_name = conf_get_autoconfig_name();
- int ret, i;
+ int ret;
if (!overwrite && is_present(autoconf_name))
return 0;
@@ -1148,7 +1147,7 @@ int conf_write_autoconf(int overwrite)
if (conf_touch_deps())
return 1;
- for_all_symbols(i, sym)
+ for_all_symbols(sym)
sym_calc_value(sym);
ret = __conf_write_autoconf(conf_get_autoheader_name(),
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index dd3350aed302c..3bc375f1a1cdb 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -17,6 +17,8 @@ extern "C" {
#include <stdbool.h>
#endif
+#include "list_types.h"
+
typedef enum tristate {
no, mod, yes
} tristate;
@@ -74,8 +76,8 @@ enum {
* SYMBOL_CHOICE bit set in 'flags'.
*/
struct symbol {
- /* The next symbol in the same bucket in the symbol hash table */
- struct symbol *next;
+ /* link node for the hash table */
+ struct hlist_node node;
/* The name of the symbol, e.g. "FOO" for 'config FOO' */
char *name;
@@ -124,8 +126,6 @@ struct symbol {
struct expr_value implied;
};
-#define for_all_symbols(i, sym) for (i = 0; i < SYMBOL_HASHSIZE; i++) for (sym = symbol_hash[i]; sym; sym = sym->next)
-
#define SYMBOL_CONST 0x0001 /* symbol is const */
#define SYMBOL_CHECK 0x0008 /* used during dependency checking */
#define SYMBOL_CHOICE 0x0010 /* start of a choice block (null name) */
@@ -150,7 +150,6 @@ struct symbol {
#define SYMBOL_NEED_SET_CHOICE_VALUES 0x100000
#define SYMBOL_MAXLENGTH 256
-#define SYMBOL_HASHSIZE 9973
/* A property represent the config options that can be associated
* with a config "symbol".
diff --git a/scripts/kconfig/internal.h b/scripts/kconfig/internal.h
index 788401cd5d6fc..6c721c4cfd72b 100644
--- a/scripts/kconfig/internal.h
+++ b/scripts/kconfig/internal.h
@@ -2,6 +2,15 @@
#ifndef INTERNAL_H
#define INTERNAL_H
+#include "hashtable.h"
+
+#define SYMBOL_HASHSIZE (1U << 14)
+
+extern HASHTABLE_DECLARE(sym_hashtable, SYMBOL_HASHSIZE);
+
+#define for_all_symbols(sym) \
+ hash_for_each(sym_hashtable, sym, node)
+
struct menu;
extern struct menu *current_menu, *current_entry;
diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
index 94299e42402fa..2807fa584c2b0 100644
--- a/scripts/kconfig/lkc_proto.h
+++ b/scripts/kconfig/lkc_proto.h
@@ -18,8 +18,6 @@ void conf_set_message_callback(void (*fn)(const char *s));
bool conf_errors(void);
/* symbol.c */
-extern struct symbol * symbol_hash[SYMBOL_HASHSIZE];
-
struct symbol * sym_lookup(const char *name, int flags);
struct symbol * sym_find(const char *name);
void print_symbol_for_listconfig(struct symbol *sym);
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index efd0e234e0d28..b505e43e0d025 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -28,8 +28,6 @@ static void zconf_error(const char *err, ...);
static bool zconf_endtoken(const char *tokenname,
const char *expected_tokenname);
-struct symbol *symbol_hash[SYMBOL_HASHSIZE];
-
struct menu *current_menu, *current_entry;
%}
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 3dbe3a19622ba..dd5cf9727a9ae 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -9,6 +9,7 @@
#include <string.h>
#include <regex.h>
+#include "internal.h"
#include "lkc.h"
struct symbol symbol_yes = {
@@ -160,9 +161,8 @@ static void sym_set_changed(struct symbol *sym)
static void sym_set_all_changed(void)
{
struct symbol *sym;
- int i;
- for_all_symbols(i, sym)
+ for_all_symbols(sym)
sym_set_changed(sym);
}
@@ -475,9 +475,8 @@ void sym_calc_value(struct symbol *sym)
void sym_clear_all_valid(void)
{
struct symbol *sym;
- int i;
- for_all_symbols(i, sym)
+ for_all_symbols(sym)
sym->flags &= ~SYMBOL_VALID;
conf_set_changed(true);
sym_calc_value(modules_sym);
@@ -803,6 +802,8 @@ bool sym_is_changeable(struct symbol *sym)
return sym->visible > sym->rev_dep.tri;
}
+HASHTABLE_DEFINE(sym_hashtable, SYMBOL_HASHSIZE);
+
struct symbol *sym_lookup(const char *name, int flags)
{
struct symbol *symbol;
@@ -817,9 +818,9 @@ struct symbol *sym_lookup(const char *name, int flags)
case 'n': return &symbol_no;
}
}
- hash = strhash(name) % SYMBOL_HASHSIZE;
+ hash = strhash(name);
- for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) {
+ hash_for_each_possible(sym_hashtable, symbol, node, hash) {
if (symbol->name &&
!strcmp(symbol->name, name) &&
(flags ? symbol->flags & flags
@@ -838,8 +839,7 @@ struct symbol *sym_lookup(const char *name, int flags)
symbol->type = S_UNKNOWN;
symbol->flags = flags;
- symbol->next = symbol_hash[hash];
- symbol_hash[hash] = symbol;
+ hash_add(sym_hashtable, &symbol->node, hash);
return symbol;
}
@@ -859,9 +859,9 @@ struct symbol *sym_find(const char *name)
case 'n': return &symbol_no;
}
}
- hash = strhash(name) % SYMBOL_HASHSIZE;
+ hash = strhash(name);
- for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) {
+ hash_for_each_possible(sym_hashtable, symbol, node, hash) {
if (symbol->name &&
!strcmp(symbol->name, name) &&
!(symbol->flags & SYMBOL_CONST))
@@ -921,7 +921,7 @@ struct symbol **sym_re_search(const char *pattern)
if (regcomp(&re, pattern, REG_EXTENDED|REG_ICASE))
return NULL;
- for_all_symbols(i, sym) {
+ for_all_symbols(sym) {
if (sym->flags & SYMBOL_CONST || !sym->name)
continue;
if (regexec(&re, sym->name, 1, match, 0))
--
GitLab
From cd14b01846612f3f3277e97bfbecba4c8cee5ce9 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 11 Feb 2024 21:48:08 +0900
Subject: [PATCH 0618/2686] treewide: replace or remove redundant def_bool in
Kconfig files
'def_bool X' is a shorthand for 'bool' plus 'default X'.
'def_bool' is redundant where 'bool' is already present, so 'def_bool X'
can be replaced with 'default X', or removed if X is 'n'.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
arch/parisc/Kconfig | 4 ++--
arch/riscv/kernel/tests/Kconfig.debug | 2 +-
arch/x86/kvm/Kconfig | 2 +-
arch/x86/xen/Kconfig | 1 -
drivers/acpi/Kconfig | 1 -
drivers/iommu/intel/Kconfig | 2 +-
drivers/md/Kconfig | 1 -
init/Kconfig | 2 +-
lib/Kconfig.debug | 2 +-
mm/Kconfig | 7 +++----
net/dccp/ccids/Kconfig | 2 +-
11 files changed, 11 insertions(+), 15 deletions(-)
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 5c845e8d59d92..03ce7e1859353 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -237,9 +237,9 @@ config PARISC_HUGE_KERNEL
def_bool y if !MODULES || UBSAN || FTRACE || COMPILE_TEST
config MLONGCALLS
- def_bool y if PARISC_HUGE_KERNEL
bool "Enable the -mlong-calls compiler option for big kernels" if !PARISC_HUGE_KERNEL
depends on PA8X00
+ default PARISC_HUGE_KERNEL
help
If you configure the kernel to include many drivers built-in instead
as modules, the kernel executable may become too big, so that the
@@ -254,9 +254,9 @@ config MLONGCALLS
Enabling this option will probably slow down your kernel.
config 64BIT
- def_bool y if "$(ARCH)" = "parisc64"
bool "64-bit kernel" if "$(ARCH)" = "parisc"
depends on PA8X00
+ default "$(ARCH)" = "parisc64"
help
Enable this if you want to support 64bit kernel on PA-RISC platform.
diff --git a/arch/riscv/kernel/tests/Kconfig.debug b/arch/riscv/kernel/tests/Kconfig.debug
index 5dba64e8e977c..78cea5d2c2702 100644
--- a/arch/riscv/kernel/tests/Kconfig.debug
+++ b/arch/riscv/kernel/tests/Kconfig.debug
@@ -6,7 +6,7 @@ config AS_HAS_ULEB128
menuconfig RUNTIME_KERNEL_TESTING_MENU
bool "arch/riscv/kernel runtime Testing"
- def_bool y
+ default y
help
Enable riscv kernel runtime testing.
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 87e3da7b04397..d72be552c86dc 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -119,8 +119,8 @@ config KVM_AMD
will be called kvm-amd.
config KVM_AMD_SEV
- def_bool y
bool "AMD Secure Encrypted Virtualization (SEV) support"
+ default y
depends on KVM_AMD && X86_64
depends on CRYPTO_DEV_SP_PSP && !(KVM_AMD=y && CRYPTO_DEV_CCP_DD=m)
help
diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index a65fc2ae15b49..77e788e928cd4 100644
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -81,7 +81,6 @@ config XEN_PVH
bool "Xen PVH guest support"
depends on XEN && XEN_PVHVM && ACPI
select PVH
- def_bool n
help
Support for running as a Xen PVH guest.
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 3c3f8037ebedd..8ce591679d50e 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -474,7 +474,6 @@ config ACPI_BGRT
config ACPI_REDUCED_HARDWARE_ONLY
bool "Hardware-reduced ACPI support only" if EXPERT
- def_bool n
help
This config item changes the way the ACPI code is built. When this
option is selected, the kernel will use a specialized version of
diff --git a/drivers/iommu/intel/Kconfig b/drivers/iommu/intel/Kconfig
index 012cd2541a68a..95d9f4e1a1762 100644
--- a/drivers/iommu/intel/Kconfig
+++ b/drivers/iommu/intel/Kconfig
@@ -97,8 +97,8 @@ config INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON
the default value.
config INTEL_IOMMU_PERF_EVENTS
- def_bool y
bool "Intel IOMMU performance events"
+ default y
depends on INTEL_IOMMU && PERF_EVENTS
help
Selecting this option will enable the performance monitoring
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index a743e2c572fc8..0392154bbcab8 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -519,7 +519,6 @@ config DM_VERITY
If unsure, say N.
config DM_VERITY_VERIFY_ROOTHASH_SIG
- def_bool n
bool "Verity data device root hash signature verification support"
depends on DM_VERITY
select SYSTEM_DATA_VERIFICATION
diff --git a/init/Kconfig b/init/Kconfig
index 8426d59cc634d..a4b80754e5807 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1504,7 +1504,7 @@ config MULTIUSER
config SGETMASK_SYSCALL
bool "sgetmask/ssetmask syscalls support" if EXPERT
- def_bool PARISC || M68K || PPC || MIPS || X86 || SPARC || MICROBLAZE || SUPERH
+ default PARISC || M68K || PPC || MIPS || X86 || SPARC || MICROBLAZE || SUPERH
help
sys_sgetmask and sys_ssetmask are obsolete system calls
no longer supported in libc but still enabled by default in some
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 975a07f9f1cc0..e9b3b9543661f 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2127,7 +2127,7 @@ config KCOV_IRQ_AREA_SIZE
menuconfig RUNTIME_TESTING_MENU
bool "Runtime Testing"
- def_bool y
+ default y
if RUNTIME_TESTING_MENU
diff --git a/mm/Kconfig b/mm/Kconfig
index ffc3a2ba3a8cd..4914eb3216fcc 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -599,7 +599,7 @@ config MEMORY_BALLOON
# support for memory balloon compaction
config BALLOON_COMPACTION
bool "Allow for balloon memory compaction/migration"
- def_bool y
+ default y
depends on COMPACTION && MEMORY_BALLOON
help
Memory fragmentation introduced by ballooning might reduce
@@ -614,7 +614,7 @@ config BALLOON_COMPACTION
# support for memory compaction
config COMPACTION
bool "Allow for memory compaction"
- def_bool y
+ default y
select MIGRATION
depends on MMU
help
@@ -637,7 +637,6 @@ config COMPACT_UNEVICTABLE_DEFAULT
# support for free page reporting
config PAGE_REPORTING
bool "Free page reporting"
- def_bool n
help
Free page reporting allows for the incremental acquisition of
free pages from the buddy allocator for the purpose of reporting
@@ -649,7 +648,7 @@ config PAGE_REPORTING
#
config MIGRATION
bool "Page migration"
- def_bool y
+ default y
depends on (NUMA || ARCH_ENABLE_MEMORY_HOTREMOVE || COMPACTION || CMA) && MMU
help
Allows the migration of the physical location of pages of processes
diff --git a/net/dccp/ccids/Kconfig b/net/dccp/ccids/Kconfig
index a3eeb84d16f9c..e3d388c33d256 100644
--- a/net/dccp/ccids/Kconfig
+++ b/net/dccp/ccids/Kconfig
@@ -13,7 +13,7 @@ config IP_DCCP_CCID2_DEBUG
config IP_DCCP_CCID3
bool "CCID-3 (TCP-Friendly)"
- def_bool y if (IP_DCCP = y || IP_DCCP = m)
+ default IP_DCCP = y || IP_DCCP = m
help
CCID-3 denotes TCP-Friendly Rate Control (TFRC), an equation-based
rate-controlled congestion control mechanism. TFRC is designed to
--
GitLab
From 6b1c2a19cb30563c11c6d2dd0b6fc7af6a8e4455 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Thu, 15 Feb 2024 23:07:02 +0900
Subject: [PATCH 0619/2686] hexagon: select FRAME_POINTER instead of redefining
it
Because FRAME_POINTER is defined in lib/Kconfig.debug, the arch Kconfig
should select it.
Add 'select FRAME_POINTER' to HEXAGON. ARCH_WANT_FRAME_POINTERS must
also be selected to avoid the unmet dependency warning.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Brian Cain <bcain@quicinc.com>
---
arch/hexagon/Kconfig | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index a880ee067d2ec..e922026fef099 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -7,7 +7,9 @@ config HEXAGON
select ARCH_32BIT_OFF_T
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
select ARCH_NO_PREEMPT
+ select ARCH_WANT_FRAME_POINTERS
select DMA_GLOBAL_POOL
+ select FRAME_POINTER
# Other pending projects/to-do items.
# select HAVE_REGS_AND_STACK_ACCESS_API
# select HAVE_HW_BREAKPOINT if PERF_EVENTS
@@ -43,9 +45,6 @@ config HEXAGON_PHYS_OFFSET
help
Platforms that don't load the kernel at zero set this.
-config FRAME_POINTER
- def_bool y
-
config LOCKDEP_SUPPORT
def_bool y
--
GitLab
From ec923eaa1d3ff7a544eeb0fa282daeaeaa911cbf Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Thu, 15 Feb 2024 23:08:19 +0900
Subject: [PATCH 0620/2686] hexagon: select GENERIC_IRQ_PROBE instead of
redefining it
Select GENERIC_IRQ_PROBE, as the other architectures do.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Brian Cain <bcain@quicinc.com>
---
arch/hexagon/Kconfig | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index e922026fef099..89672ef0666fa 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -21,6 +21,7 @@ config HEXAGON
select HAVE_PERF_EVENTS
# GENERIC_ALLOCATOR is used by dma_alloc_coherent()
select GENERIC_ALLOCATOR
+ select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
select HAVE_ARCH_KGDB
select HAVE_ARCH_TRACEHOOK
@@ -57,12 +58,6 @@ config MMU
config GENERIC_CSUM
def_bool y
-#
-# Use the generic interrupt handling code in kernel/irq/:
-#
-config GENERIC_IRQ_PROBE
- def_bool y
-
config GENERIC_HWEIGHT
def_bool y
--
GitLab
From d2d5cba5d92c4ed23caa86228a1bc31b07e90fe9 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Thu, 15 Feb 2024 23:15:01 +0900
Subject: [PATCH 0621/2686] kbuild: remove EXPERT and !COMPILE_TEST guarding
from TRIM_UNUSED_KSYMS
This reverts the following two commits:
- a555bdd0c58c ("Kbuild: enable TRIM_UNUSED_KSYMS again, with some guarding")
- 5cf0fd591f2e ("Kbuild: disable TRIM_UNUSED_KSYMS option")
Commit 5e9e95cc9148 ("kbuild: implement CONFIG_TRIM_UNUSED_KSYMS without
recursion") solved the build time issue.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
kernel/module/Kconfig | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/module/Kconfig b/kernel/module/Kconfig
index 0ea1b2970a23b..c3ced519e14ba 100644
--- a/kernel/module/Kconfig
+++ b/kernel/module/Kconfig
@@ -362,8 +362,7 @@ config MODPROBE_PATH
userspace can still load modules explicitly).
config TRIM_UNUSED_KSYMS
- bool "Trim unused exported kernel symbols" if EXPERT
- depends on !COMPILE_TEST
+ bool "Trim unused exported kernel symbols"
help
The kernel and some modules make many symbols available for
other modules to use via EXPORT_SYMBOL() and variants. Depending
--
GitLab
From ba3b759fb688c09cd9b09852d2728b012cf040ba Mon Sep 17 00:00:00 2001
From: Matthew Bystrin <dev.mbstr@gmail.com>
Date: Fri, 16 Feb 2024 17:10:14 +0300
Subject: [PATCH 0622/2686] kconfig: lxdialog: fix cursor render in checklist
When a checklist is opened, the cursor is rendered in a wrong position
(after the last list element on the screen). You can observe it by
opening any checklist in menuconfig.
Added wmove() to set the cursor in the proper position, just like in
menubox.c. Removed wnoutrefresh(dialog) because dialog window has
already been updated in print_buttons(). Replaced wnoutrefresh(list) and
doupdate() calls with one wrefresh(list) call.
Signed-off-by: Matthew Bystrin <dev.mbstr@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/lxdialog/checklist.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/scripts/kconfig/lxdialog/checklist.c b/scripts/kconfig/lxdialog/checklist.c
index fd161cfff121f..31d0a89fbeb7a 100644
--- a/scripts/kconfig/lxdialog/checklist.c
+++ b/scripts/kconfig/lxdialog/checklist.c
@@ -188,9 +188,8 @@ int dialog_checklist(const char *title, const char *prompt, int height,
print_buttons(dialog, height, width, 0);
- wnoutrefresh(dialog);
- wnoutrefresh(list);
- doupdate();
+ wmove(list, choice, check_x + 1);
+ wrefresh(list);
while (key != KEY_ESC) {
key = wgetch(dialog);
--
GitLab
From f0397e27d1204a7e6581d140c2de7fd11383c6ba Mon Sep 17 00:00:00 2001
From: Jeffrey Hugo <quic_jhugo@quicinc.com>
Date: Mon, 19 Feb 2024 11:07:48 -0700
Subject: [PATCH 0623/2686] Revert "bus: mhi: core: Add support for reading MHI
info from device"
This reverts commit 3316ab2b45f6bf4797d8d65b22fda3cc13318890.
The MHI spec owner pointed out that the SOC_HW_VERSION register is part
of the BHIe segment, and only valid on devices which implement BHIe.
Only a small subset of MHI devices implement BHIe so blindly accessing
the register for all devices is not correct. Also, since the BHIe
segment offset is not used when accessing the register, any
implementation which moves the BHIe segment will result in accessing
some other register. We've seen that accessing this register on AIC100
which does not support BHIe can result in initialization failures.
We could try to put checks into the code to address these issues, but in
the roughly 4 years this functionality has existed, no one has used it.
Easier to drop this dead code and address the issues if anyone comes up
with a real world use for it.
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240219180748.1591527-1-quic_jhugo@quicinc.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
drivers/bus/mhi/host/init.c | 12 ------------
drivers/bus/mhi/host/internal.h | 6 ------
include/linux/mhi.h | 17 -----------------
3 files changed, 35 deletions(-)
diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c
index 944da46e6f11a..44f934981de82 100644
--- a/drivers/bus/mhi/host/init.c
+++ b/drivers/bus/mhi/host/init.c
@@ -914,7 +914,6 @@ int mhi_register_controller(struct mhi_controller *mhi_cntrl,
struct mhi_chan *mhi_chan;
struct mhi_cmd *mhi_cmd;
struct mhi_device *mhi_dev;
- u32 soc_info;
int ret, i;
if (!mhi_cntrl || !mhi_cntrl->cntrl_dev || !mhi_cntrl->regs ||
@@ -989,17 +988,6 @@ int mhi_register_controller(struct mhi_controller *mhi_cntrl,
mhi_cntrl->unmap_single = mhi_unmap_single_no_bb;
}
- /* Read the MHI device info */
- ret = mhi_read_reg(mhi_cntrl, mhi_cntrl->regs,
- SOC_HW_VERSION_OFFS, &soc_info);
- if (ret)
- goto err_destroy_wq;
-
- mhi_cntrl->family_number = FIELD_GET(SOC_HW_VERSION_FAM_NUM_BMSK, soc_info);
- mhi_cntrl->device_number = FIELD_GET(SOC_HW_VERSION_DEV_NUM_BMSK, soc_info);
- mhi_cntrl->major_version = FIELD_GET(SOC_HW_VERSION_MAJOR_VER_BMSK, soc_info);
- mhi_cntrl->minor_version = FIELD_GET(SOC_HW_VERSION_MINOR_VER_BMSK, soc_info);
-
mhi_cntrl->index = ida_alloc(&mhi_controller_ida, GFP_KERNEL);
if (mhi_cntrl->index < 0) {
ret = mhi_cntrl->index;
diff --git a/drivers/bus/mhi/host/internal.h b/drivers/bus/mhi/host/internal.h
index 091244cf17c68..5fe49311b8eb4 100644
--- a/drivers/bus/mhi/host/internal.h
+++ b/drivers/bus/mhi/host/internal.h
@@ -15,12 +15,6 @@ extern struct bus_type mhi_bus_type;
#define MHI_SOC_RESET_REQ_OFFSET 0xb0
#define MHI_SOC_RESET_REQ BIT(0)
-#define SOC_HW_VERSION_OFFS 0x224
-#define SOC_HW_VERSION_FAM_NUM_BMSK GENMASK(31, 28)
-#define SOC_HW_VERSION_DEV_NUM_BMSK GENMASK(27, 16)
-#define SOC_HW_VERSION_MAJOR_VER_BMSK GENMASK(15, 8)
-#define SOC_HW_VERSION_MINOR_VER_BMSK GENMASK(7, 0)
-
struct mhi_ctxt {
struct mhi_event_ctxt *er_ctxt;
struct mhi_chan_ctxt *chan_ctxt;
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index 474d32cb05200..77b8c0a26674f 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -320,10 +320,6 @@ struct mhi_controller_config {
* @hw_ev_rings: Number of hardware event rings
* @sw_ev_rings: Number of software event rings
* @nr_irqs: Number of IRQ allocated by bus master (required)
- * @family_number: MHI controller family number
- * @device_number: MHI controller device number
- * @major_version: MHI controller major revision number
- * @minor_version: MHI controller minor revision number
* @serial_number: MHI controller serial number obtained from BHI
* @mhi_event: MHI event ring configurations table
* @mhi_cmd: MHI command ring configurations table
@@ -368,15 +364,6 @@ struct mhi_controller_config {
* Fields marked as (required) need to be populated by the controller driver
* before calling mhi_register_controller(). For the fields marked as (optional)
* they can be populated depending on the usecase.
- *
- * The following fields are present for the purpose of implementing any device
- * specific quirks or customizations for specific MHI revisions used in device
- * by the controller drivers. The MHI stack will just populate these fields
- * during mhi_register_controller():
- * family_number
- * device_number
- * major_version
- * minor_version
*/
struct mhi_controller {
struct device *cntrl_dev;
@@ -407,10 +394,6 @@ struct mhi_controller {
u32 hw_ev_rings;
u32 sw_ev_rings;
u32 nr_irqs;
- u32 family_number;
- u32 device_number;
- u32 major_version;
- u32 minor_version;
u32 serial_number;
struct mhi_event *mhi_event;
--
GitLab
From 27711860c54ccb5e80719df684f49f0bf3f8fb51 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Wed, 21 Feb 2024 09:20:19 +0300
Subject: [PATCH 0624/2686] bus: mhi: ep: check the correct variable in
mhi_ep_register_controller()
There is a copy and paste bug here so it checks "ev_ring_el_cache" instead
of "ring_item_cache".
Fixes: 62210a26cd4f ("bus: mhi: ep: Use slab allocator where applicable")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/bebcd822-d465-45da-adae-5435ec93e6d4@moroto.mountain
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
drivers/bus/mhi/ep/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/bus/mhi/ep/main.c b/drivers/bus/mhi/ep/main.c
index 8d7a4102bdb78..f8f674adf1d40 100644
--- a/drivers/bus/mhi/ep/main.c
+++ b/drivers/bus/mhi/ep/main.c
@@ -1497,7 +1497,7 @@ int mhi_ep_register_controller(struct mhi_ep_cntrl *mhi_cntrl,
mhi_cntrl->ring_item_cache = kmem_cache_create("mhi_ep_ring_item",
sizeof(struct mhi_ep_ring_item), 0,
0, NULL);
- if (!mhi_cntrl->ev_ring_el_cache) {
+ if (!mhi_cntrl->ring_item_cache) {
ret = -ENOMEM;
goto err_destroy_tre_buf_cache;
}
--
GitLab
From 97454a65d56b240013ed8d396427b85e34384238 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sun, 14 Jan 2024 21:36:41 -0800
Subject: [PATCH 0625/2686] clocksource: arm_global_timer: fix non-kernel-doc
comment
Use a common C comment "/*" instead of a kernel-doc marker "/**"
to prevent kernel-doc warnings:
arm_global_timer.c:92: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* To ensure that updates to comparator value register do not set the
arm_global_timer.c:92: warning: missing initial short description on line:
* To ensure that updates to comparator value register do not set the
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240115053641.29129-1-rdunlap@infradead.org
---
drivers/clocksource/arm_global_timer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c
index 8dd1e46b7176d..d749dee1d41dd 100644
--- a/drivers/clocksource/arm_global_timer.c
+++ b/drivers/clocksource/arm_global_timer.c
@@ -88,7 +88,7 @@ static u64 gt_counter_read(void)
return _gt_counter_read();
}
-/**
+/*
* To ensure that updates to comparator value register do not set the
* Interrupt Status Register proceed as follows:
* 1. Clear the Comp Enable bit in the Timer Control Register.
--
GitLab
From a52354173bea2224009d52ed4439932260d389fb Mon Sep 17 00:00:00 2001
From: Krishna chaitanya chundru <quic_krichai@quicinc.com>
Date: Sun, 18 Feb 2024 14:13:39 +0530
Subject: [PATCH 0626/2686] bus: mhi: host: Change the trace string for the
userspace tools mapping
User space tools can't map strings if we use directly, as the string
address is internal to kernel.
So add trace point strings for the user space tools to map strings
properly.
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240218-ftrace_string-v1-1-27da85c1f844@quicinc.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
drivers/bus/mhi/host/main.c | 4 ++--
drivers/bus/mhi/host/trace.h | 2 ++
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/bus/mhi/host/main.c b/drivers/bus/mhi/host/main.c
index 2d38f6005da65..15d657af9b5b8 100644
--- a/drivers/bus/mhi/host/main.c
+++ b/drivers/bus/mhi/host/main.c
@@ -1340,7 +1340,7 @@ static int mhi_update_channel_state(struct mhi_controller *mhi_cntrl,
enum mhi_cmd_type cmd = MHI_CMD_NOP;
int ret;
- trace_mhi_channel_command_start(mhi_cntrl, mhi_chan, to_state, "Updating");
+ trace_mhi_channel_command_start(mhi_cntrl, mhi_chan, to_state, TPS("Updating"));
switch (to_state) {
case MHI_CH_STATE_TYPE_RESET:
write_lock_irq(&mhi_chan->lock);
@@ -1407,7 +1407,7 @@ static int mhi_update_channel_state(struct mhi_controller *mhi_cntrl,
write_unlock_irq(&mhi_chan->lock);
}
- trace_mhi_channel_command_end(mhi_cntrl, mhi_chan, to_state, "Updated");
+ trace_mhi_channel_command_end(mhi_cntrl, mhi_chan, to_state, TPS("Updated"));
exit_channel_update:
mhi_cntrl->runtime_put(mhi_cntrl);
mhi_device_put(mhi_cntrl->mhi_dev);
diff --git a/drivers/bus/mhi/host/trace.h b/drivers/bus/mhi/host/trace.h
index d12a98d442728..368515dcb22d1 100644
--- a/drivers/bus/mhi/host/trace.h
+++ b/drivers/bus/mhi/host/trace.h
@@ -84,6 +84,8 @@ DEV_ST_TRANSITION_LIST
#define dev_st_trans(a, b) { DEV_ST_TRANSITION_##a, b },
#define dev_st_trans_end(a, b) { DEV_ST_TRANSITION_##a, b }
+#define TPS(x) tracepoint_string(x)
+
TRACE_EVENT(mhi_gen_tre,
TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan,
--
GitLab
From fd8ed16c2419e23b7496e008e5f7be98da7fe2d5 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Fri, 22 Dec 2023 16:04:02 +0200
Subject: [PATCH 0627/2686] bitmap: Step down as a reviewer
Too many things are going on, and reviewing BITMAP related code
seems not the best I can do, hence step down as a reviewer of
the BITMAP library.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
---
MAINTAINERS | 1 -
1 file changed, 1 deletion(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 788be9ab5b733..51983ed2d4e48 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3553,7 +3553,6 @@ F: include/uapi/linux/bfs_fs.h
BITMAP API
M: Yury Norov <yury.norov@gmail.com>
-R: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
R: Rasmus Villemoes <linux@rasmusvillemoes.dk>
S: Maintained
F: include/linux/bitfield.h
--
GitLab
From e89fbb5bc21a10a0de2bb878d4df09f538dc523b Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Thu, 22 Feb 2024 17:32:04 +0100
Subject: [PATCH 0628/2686] ASoC: Revert "ASoC: dt-bindings: Update example for
enabling USB offload on SM8250"
This reverts commit a9c83252bff616cf3a38d55b7c6a6ad63667f2dd from USB
tree, because it depends on other DT bindings changes which were not
applied. This commit alone causes dt_binding_check failures:
Documentation/devicetree/bindings/sound/qcom,sm8250.example.dts:97.44-45 syntax error
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240222163204.65468-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../devicetree/bindings/sound/qcom,sm8250.yaml | 15 ---------------
1 file changed, 15 deletions(-)
diff --git a/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
index e78b8b660fcea..6f419747273e3 100644
--- a/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
+++ b/Documentation/devicetree/bindings/sound/qcom,sm8250.yaml
@@ -227,21 +227,6 @@ examples:
sound-dai = <&vamacro 0>;
};
};
-
- usb-dai-link {
- link-name = "USB Playback";
- cpu {
- sound-dai = <&q6afedai USB_RX>;
- };
-
- codec {
- sound-dai = <&usbdai USB_RX>;
- };
-
- platform {
- sound-dai = <&q6routing>;
- };
- };
};
- |
--
GitLab
From cd69fedf58f8ab1ab511f7c6ac1969cebf1c935f Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Thu, 22 Feb 2024 12:40:54 -0800
Subject: [PATCH 0629/2686] sysfs: Fix crash on empty group attributes array
It turns out that arch/x86/events/intel/core.c makes use of "empty"
attributes.
static struct attribute *empty_attrs;
__init int intel_pmu_init(void)
{
struct attribute **extra_skl_attr = &empty_attrs;
struct attribute **extra_attr = &empty_attrs;
struct attribute **td_attr = &empty_attrs;
struct attribute **mem_attr = &empty_attrs;
struct attribute **tsx_attr = &empty_attrs;
...
That breaks the assumption __first_visible() that expects that if
grp->attrs is set then grp->attrs[0] must also be set and results in
backtraces like:
BUG: kernel NULL pointer dereference, address: 00rnel mode
#PF: error_code(0x0000) - not-present ] PREEMPT SMP NOPTI
CPU: 1 PID: 1 Comm: swapper/IP: 0010:exra_is_visible+0x14/0x20
? exc_page_fault+0x68/0x190
internal_create_groups+0x42/0xa0
pmu_dev_alloc+0xc0/0xe0
perf_event_sysfs_init+0x580000000000 ]---
RIP: 0010:exra_is_visible+0x14/0
Check for non-empty attributes array before calling is_visible().
Reported-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Closes: https://github.com/thesofproject/linux/pull/4799#issuecomment-1958537212
Fixes: 70317fd24b41 ("sysfs: Introduce a mechanism to hide static attribute_groups")
Cc: Marc Herbert <marc.herbert@intel.com>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Marc Herbert <marc.herbert@intel.com>
Link: https://lore.kernel.org/r/170863445442.1479840.1818801787239831650.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/sysfs/group.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c
index ccb275cdabcb6..8c63ba3cfc474 100644
--- a/fs/sysfs/group.c
+++ b/fs/sysfs/group.c
@@ -33,10 +33,10 @@ static void remove_files(struct kernfs_node *parent,
static umode_t __first_visible(const struct attribute_group *grp, struct kobject *kobj)
{
- if (grp->attrs && grp->is_visible)
+ if (grp->attrs && grp->attrs[0] && grp->is_visible)
return grp->is_visible(kobj, grp->attrs[0], 0);
- if (grp->bin_attrs && grp->is_bin_visible)
+ if (grp->bin_attrs && grp->bin_attrs[0] && grp->is_bin_visible)
return grp->is_bin_visible(kobj, grp->bin_attrs[0], 0);
return 0;
--
GitLab
From aa3c88990f77bb9acb3d445337bc088031ac63f9 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Thu, 22 Feb 2024 12:41:00 -0800
Subject: [PATCH 0630/2686] sysfs: Document new "group visible" helpers
Add documentation and examples for how to use
DEFINE_SYSFS_GROUP_VISIBLE() and SYSFS_GROUP_VISIBLE(). Recall that the
motivation for this work is that it is easier to reason about the
lifetime of statically defined sysfs attributes that become visible at
device_add() time rather than dynamically adding them later.
DEFINE_SYSFS_GROUP_VISIBLE() tackles one of the reasons to opt for
dynamically created attributes which did not have a facility for hiding
empty directories.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/170863446065.1479840.10697164014098377292.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/sysfs.h | 42 +++++++++++++++++++++++++++++++++++++++---
1 file changed, 39 insertions(+), 3 deletions(-)
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index a42642b277dd0..dabf7f4f35810 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -105,8 +105,42 @@ struct attribute_group {
#define SYSFS_GROUP_INVISIBLE 020000
/*
- * The first call to is_visible() in the create / update path may
- * indicate visibility for the entire group
+ * DEFINE_SYSFS_GROUP_VISIBLE(name):
+ * A helper macro to pair with the assignment of ".is_visible =
+ * SYSFS_GROUP_VISIBLE(name)", that arranges for the directory
+ * associated with a named attribute_group to optionally be hidden.
+ * This allows for static declaration of attribute_groups, and the
+ * simplification of attribute visibility lifetime that implies,
+ * without polluting sysfs with empty attribute directories.
+ * Ex.
+ *
+ * static umode_t example_attr_visible(struct kobject *kobj,
+ * struct attribute *attr, int n)
+ * {
+ * if (example_attr_condition)
+ * return 0;
+ * else if (ro_attr_condition)
+ * return 0444;
+ * return a->mode;
+ * }
+ *
+ * static bool example_group_visible(struct kobject *kobj)
+ * {
+ * if (example_group_condition)
+ * return false;
+ * return true;
+ * }
+ *
+ * DEFINE_SYSFS_GROUP_VISIBLE(example);
+ *
+ * static struct attribute_group example_group = {
+ * .name = "example",
+ * .is_visible = SYSFS_GROUP_VISIBLE(example),
+ * .attrs = &example_attrs,
+ * };
+ *
+ * Note that it expects <name>_attr_visible and <name>_group_visible to
+ * be defined.
*/
#define DEFINE_SYSFS_GROUP_VISIBLE(name) \
static inline umode_t sysfs_group_visible_##name( \
@@ -119,7 +153,9 @@ struct attribute_group {
/*
* Same as DEFINE_SYSFS_GROUP_VISIBLE, but for groups with only binary
- * attributes
+ * attributes. If an attribute_group defines both text and binary
+ * attributes, the group visibility is determined by the function
+ * specified to is_visible() not is_bin_visible()
*/
#define DEFINE_SYSFS_BIN_GROUP_VISIBLE(name) \
static inline umode_t sysfs_group_visible_##name( \
--
GitLab
From 04edfa7fa059ba50d3236b55ba0ae23b1721e868 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Thu, 22 Feb 2024 12:41:06 -0800
Subject: [PATCH 0631/2686] sysfs: Introduce
DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE()
One of the first users of DEFINE_SYSFS_GROUP_VISIBLE() did this:
static umode_t dp0_attr_visible(struct kobject *kobj,
struct attribute *attr,
int n)
{
struct sdw_slave *slave = dev_to_sdw_dev(kobj_to_dev(kobj));
if (slave->prop.dp0_prop)
return attr->mode;
return 0;
}
static bool dp0_group_visible(struct kobject *kobj)
{
struct sdw_slave *slave = dev_to_sdw_dev(kobj_to_dev(kobj));
if (slave->prop.dp0_prop)
return true;
return false;
}
DEFINE_SYSFS_GROUP_VISIBLE(dp0);
...i.e. the _group_visible() helper is identical to the _attr_visible()
helper. Use the "simple" helper to reduce that to:
static bool dp0_group_visible(struct kobject *kobj)
{
struct sdw_slave *slave = dev_to_sdw_dev(kobj_to_dev(kobj));
if (slave->prop.dp0_prop)
return true;
return false;
}
DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE(dp0);
Remove the need to specify per attribute visibility if the goal is to
hide the entire group.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/170863446625.1479840.10593839479268727913.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/sysfs.h | 45 ++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 44 insertions(+), 1 deletion(-)
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index dabf7f4f35810..326341c623857 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -140,7 +140,9 @@ struct attribute_group {
* };
*
* Note that it expects <name>_attr_visible and <name>_group_visible to
- * be defined.
+ * be defined. For cases where individual attributes do not need
+ * separate visibility consideration, only entire group visibility at
+ * once, see DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE().
*/
#define DEFINE_SYSFS_GROUP_VISIBLE(name) \
static inline umode_t sysfs_group_visible_##name( \
@@ -151,6 +153,38 @@ struct attribute_group {
return name##_attr_visible(kobj, attr, n); \
}
+/*
+ * DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE(name):
+ * A helper macro to pair with SYSFS_GROUP_VISIBLE() that like
+ * DEFINE_SYSFS_GROUP_VISIBLE() controls group visibility, but does
+ * not require the implementation of a per-attribute visibility
+ * callback.
+ * Ex.
+ *
+ * static bool example_group_visible(struct kobject *kobj)
+ * {
+ * if (example_group_condition)
+ * return false;
+ * return true;
+ * }
+ *
+ * DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE(example);
+ *
+ * static struct attribute_group example_group = {
+ * .name = "example",
+ * .is_visible = SYSFS_GROUP_VISIBLE(example),
+ * .attrs = &example_attrs,
+ * };
+ */
+#define DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE(name) \
+ static inline umode_t sysfs_group_visible_##name( \
+ struct kobject *kobj, struct attribute *a, int n) \
+ { \
+ if (n == 0 && !name##_group_visible(kobj)) \
+ return SYSFS_GROUP_INVISIBLE; \
+ return a->mode; \
+ }
+
/*
* Same as DEFINE_SYSFS_GROUP_VISIBLE, but for groups with only binary
* attributes. If an attribute_group defines both text and binary
@@ -166,6 +200,15 @@ struct attribute_group {
return name##_attr_visible(kobj, attr, n); \
}
+#define DEFINE_SIMPLE_SYSFS_BIN_GROUP_VISIBLE(name) \
+ static inline umode_t sysfs_group_visible_##name( \
+ struct kobject *kobj, struct bin_attribute *a, int n) \
+ { \
+ if (n == 0 && !name##_group_visible(kobj)) \
+ return SYSFS_GROUP_INVISIBLE; \
+ return a->mode; \
+ }
+
#define SYSFS_GROUP_VISIBLE(fn) sysfs_group_visible_##fn
/*
--
GitLab
From bf48d9b756b91e3c656511fa8b63eaba1f50dbd0 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 17 Feb 2024 14:55:03 +0900
Subject: [PATCH 0632/2686] kbuild: change tool coverage variables to take the
path relative to $(obj)
Commit 54b8ae66ae1a ("kbuild: change *FLAGS_<basetarget>.o to take the
path relative to $(obj)") changed the syntax of per-file compiler flags.
The situation is the same for the following variables:
OBJECT_FILES_NON_STANDARD_<basetarget>.o
GCOV_PROFILE_<basetarget>.o
KASAN_SANITIZE_<basetarget>.o
KMSAN_SANITIZE_<basetarget>.o
KMSAN_ENABLE_CHECKS_<basetarget>.o
UBSAN_SANITIZE_<basetarget>.o
KCOV_INSTRUMENT_<basetarget>.o
KCSAN_SANITIZE_<basetarget>.o
KCSAN_INSTRUMENT_BARRIERS_<basetarget>.o
The <basetarget> is the filename of the target with its directory and
suffix stripped.
This syntax comes into a trouble when two files with the same basename
appear in one Makefile, for example:
obj-y += dir1/foo.o
obj-y += dir2/foo.o
OBJECT_FILES_NON_STANDARD_foo.o := y
OBJECT_FILES_NON_STANDARD_foo.o is applied to both dir1/foo.o and
dir2/foo.o. This syntax is not flexbile enough to handle cases where
one of them is a standard object, but the other is not.
It is more sensible to use the relative path to the Makefile, like this:
obj-y += dir1/foo.o
OBJECT_FILES_NON_STANDARD_dir1/foo.o := y
obj-y += dir2/foo.o
OBJECT_FILES_NON_STANDARD_dir2/foo.o := y
To maintain the current behavior, I made adjustments to the following two
Makefiles:
- arch/x86/entry/vdso/Makefile, which compiles vclock_gettime.o, vgetcpu.o,
and their vdso32 variants.
- arch/x86/kvm/Makefile, which compiles vmx/vmenter.o and svm/vmenter.o
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
Acked-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/entry/vdso/Makefile | 2 ++
arch/x86/kvm/Makefile | 3 ++-
scripts/Makefile.build | 2 +-
scripts/Makefile.lib | 16 ++++++++--------
4 files changed, 13 insertions(+), 10 deletions(-)
diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index b1b8dd1608f7e..fa0a275036067 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -9,7 +9,9 @@ include $(srctree)/lib/vdso/Makefile
# Sanitizer runtimes are unavailable and cannot be linked here.
KASAN_SANITIZE := n
KMSAN_SANITIZE_vclock_gettime.o := n
+KMSAN_SANITIZE_vdso32/vclock_gettime.o := n
KMSAN_SANITIZE_vgetcpu.o := n
+KMSAN_SANITIZE_vdso32/vgetcpu.o := n
UBSAN_SANITIZE := n
KCSAN_SANITIZE := n
diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile
index 475b5fa917a62..a88bb14266b69 100644
--- a/arch/x86/kvm/Makefile
+++ b/arch/x86/kvm/Makefile
@@ -4,7 +4,8 @@ ccflags-y += -I $(srctree)/arch/x86/kvm
ccflags-$(CONFIG_KVM_WERROR) += -Werror
ifeq ($(CONFIG_FRAME_POINTER),y)
-OBJECT_FILES_NON_STANDARD_vmenter.o := y
+OBJECT_FILES_NON_STANDARD_vmx/vmenter.o := y
+OBJECT_FILES_NON_STANDARD_svm/vmenter.o := y
endif
include $(srctree)/virt/kvm/Makefile.kvm
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 4971f54c855e9..256db2a0e9847 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -214,7 +214,7 @@ endif # CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
# 'OBJECT_FILES_NON_STANDARD_foo.o := 'y': skip objtool checking for a file
# 'OBJECT_FILES_NON_STANDARD_foo.o := 'n': override directory skip for a file
-is-standard-object = $(if $(filter-out y%, $(OBJECT_FILES_NON_STANDARD_$(basetarget).o)$(OBJECT_FILES_NON_STANDARD)n),y)
+is-standard-object = $(if $(filter-out y%, $(OBJECT_FILES_NON_STANDARD_$(target-stem).o)$(OBJECT_FILES_NON_STANDARD)n),y)
$(obj)/%.o: objtool-enabled = $(if $(is-standard-object),$(if $(delay-objtool),$(is-single-obj-m),y))
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index b35d39022a30a..328c0d77ed480 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -154,7 +154,7 @@ _cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(target-stem).lds)
#
ifeq ($(CONFIG_GCOV_KERNEL),y)
_c_flags += $(if $(patsubst n%,, \
- $(GCOV_PROFILE_$(basetarget).o)$(GCOV_PROFILE)$(CONFIG_GCOV_PROFILE_ALL)), \
+ $(GCOV_PROFILE_$(target-stem).o)$(GCOV_PROFILE)$(CONFIG_GCOV_PROFILE_ALL)), \
$(CFLAGS_GCOV))
endif
@@ -165,29 +165,29 @@ endif
ifeq ($(CONFIG_KASAN),y)
ifneq ($(CONFIG_KASAN_HW_TAGS),y)
_c_flags += $(if $(patsubst n%,, \
- $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \
+ $(KASAN_SANITIZE_$(target-stem).o)$(KASAN_SANITIZE)y), \
$(CFLAGS_KASAN), $(CFLAGS_KASAN_NOSANITIZE))
endif
endif
ifeq ($(CONFIG_KMSAN),y)
_c_flags += $(if $(patsubst n%,, \
- $(KMSAN_SANITIZE_$(basetarget).o)$(KMSAN_SANITIZE)y), \
+ $(KMSAN_SANITIZE_$(target-stem).o)$(KMSAN_SANITIZE)y), \
$(CFLAGS_KMSAN))
_c_flags += $(if $(patsubst n%,, \
- $(KMSAN_ENABLE_CHECKS_$(basetarget).o)$(KMSAN_ENABLE_CHECKS)y), \
+ $(KMSAN_ENABLE_CHECKS_$(target-stem).o)$(KMSAN_ENABLE_CHECKS)y), \
, -mllvm -msan-disable-checks=1)
endif
ifeq ($(CONFIG_UBSAN),y)
_c_flags += $(if $(patsubst n%,, \
- $(UBSAN_SANITIZE_$(basetarget).o)$(UBSAN_SANITIZE)$(CONFIG_UBSAN_SANITIZE_ALL)), \
+ $(UBSAN_SANITIZE_$(target-stem).o)$(UBSAN_SANITIZE)$(CONFIG_UBSAN_SANITIZE_ALL)), \
$(CFLAGS_UBSAN))
endif
ifeq ($(CONFIG_KCOV),y)
_c_flags += $(if $(patsubst n%,, \
- $(KCOV_INSTRUMENT_$(basetarget).o)$(KCOV_INSTRUMENT)$(CONFIG_KCOV_INSTRUMENT_ALL)), \
+ $(KCOV_INSTRUMENT_$(target-stem).o)$(KCOV_INSTRUMENT)$(CONFIG_KCOV_INSTRUMENT_ALL)), \
$(CFLAGS_KCOV))
endif
@@ -197,12 +197,12 @@ endif
#
ifeq ($(CONFIG_KCSAN),y)
_c_flags += $(if $(patsubst n%,, \
- $(KCSAN_SANITIZE_$(basetarget).o)$(KCSAN_SANITIZE)y), \
+ $(KCSAN_SANITIZE_$(target-stem).o)$(KCSAN_SANITIZE)y), \
$(CFLAGS_KCSAN))
# Some uninstrumented files provide implied barriers required to avoid false
# positives: set KCSAN_INSTRUMENT_BARRIERS for barrier instrumentation only.
_c_flags += $(if $(patsubst n%,, \
- $(KCSAN_INSTRUMENT_BARRIERS_$(basetarget).o)$(KCSAN_INSTRUMENT_BARRIERS)n), \
+ $(KCSAN_INSTRUMENT_BARRIERS_$(target-stem).o)$(KCSAN_INSTRUMENT_BARRIERS)n), \
-D__KCSAN_INSTRUMENT_BARRIERS__)
endif
--
GitLab
From 223390b1c4d266c3b684b99d0a1980c49ebccf0d Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 17 Feb 2024 14:55:04 +0900
Subject: [PATCH 0633/2686] kbuild: change DTC_FLAGS_<basetarget>.o to take the
path relative to $(obj)
For the same rationale as commit 54b8ae66ae1a ("kbuild: change
*FLAGS_<basetarget>.o to take the path relative to $(obj)").
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
---
scripts/Makefile.lib | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 328c0d77ed480..56f7fe2b476d5 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -368,7 +368,7 @@ DTC_FLAGS += -Wnode_name_chars_strict \
-Wunique_unit_address
endif
-DTC_FLAGS += $(DTC_FLAGS_$(basetarget))
+DTC_FLAGS += $(DTC_FLAGS_$(target-stem))
# Set -@ if the target is a base DTB that overlay is applied onto
DTC_FLAGS += $(if $(filter $(patsubst $(obj)/%,%,$@), $(base-dtb-y)), -@)
--
GitLab
From 403198019890f2fdf8ad1cd2acb25a490e94da6b Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Wed, 21 Feb 2024 23:01:44 +0900
Subject: [PATCH 0634/2686] alpha: merge two entries for CONFIG_ALPHA_EV4
There are two entries for CONFIG_ALPHA_EV4, on line 337 and line 368.
Merge them together.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
arch/alpha/Kconfig | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index d6968d090d49a..70e8343d00ba4 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -338,6 +338,7 @@ config ALPHA_EV4
bool
depends on ALPHA_JENSEN || (ALPHA_SABLE && !ALPHA_GAMMA) || ALPHA_LYNX || ALPHA_NORITAKE && !ALPHA_PRIMO || ALPHA_MIKASA && !ALPHA_PRIMO || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL || ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
default y if !ALPHA_LYNX
+ default y if !ALPHA_EV5
config ALPHA_LCA
bool
@@ -365,10 +366,6 @@ config ALPHA_EV5
bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
default y if ALPHA_RX164 || ALPHA_RAWHIDE || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_SABLE && ALPHA_GAMMA || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
-config ALPHA_EV4
- bool
- default y if ALPHA_LYNX && !ALPHA_EV5
-
config ALPHA_CIA
bool
depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
--
GitLab
From c31f96a00f652a96a1a097b0c6a333509560900f Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Wed, 21 Feb 2024 23:01:45 +0900
Subject: [PATCH 0635/2686] alpha: merge two entries for CONFIG_ALPHA_GAMMA
There are two entries for CONFIG_ALPHA_GAMMA, with the second one
7 lines below. Merge them together.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
arch/alpha/Kconfig | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 70e8343d00ba4..fe5ae3aea9995 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -390,16 +390,12 @@ config ALPHA_PRIMO
Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
config ALPHA_GAMMA
- bool "EV5 CPU(s) (model 5/xxx)?"
- depends on ALPHA_SABLE
+ bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_SABLE
+ depends on ALPHA_SABLE || ALPHA_LYNX
+ default ALPHA_LYNX
help
Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
-config ALPHA_GAMMA
- bool
- depends on ALPHA_LYNX
- default y
-
config ALPHA_T2
bool
depends on ALPHA_SABLE || ALPHA_LYNX
--
GitLab
From ec64db6955c5ad7e8fd03f7a52f8df84f943a9b8 Mon Sep 17 00:00:00 2001
From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Date: Tue, 12 Dec 2023 10:34:43 +0100
Subject: [PATCH 0636/2686] dt-bindings: timer: add Ralink SoCs system tick
counter
Add YAML doc for the system tick counter which is present on Ralink SoCs.
cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20231212093443.1898591-1-sergio.paracuellos@gmail.com
---
.../bindings/timer/ralink,cevt-systick.yaml | 38 +++++++++++++++++++
1 file changed, 38 insertions(+)
create mode 100644 Documentation/devicetree/bindings/timer/ralink,cevt-systick.yaml
diff --git a/Documentation/devicetree/bindings/timer/ralink,cevt-systick.yaml b/Documentation/devicetree/bindings/timer/ralink,cevt-systick.yaml
new file mode 100644
index 0000000000000..59d97feddf4e5
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/ralink,cevt-systick.yaml
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/ralink,cevt-systick.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: System tick counter present in Ralink family SoCs
+
+maintainers:
+ - Sergio Paracuellos <sergio.paracuellos@gmail.com>
+
+properties:
+ compatible:
+ const: ralink,cevt-systick
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ systick@d00 {
+ compatible = "ralink,cevt-systick";
+ reg = <0xd00 0x10>;
+
+ interrupt-parent = <&cpuintc>;
+ interrupts = <7>;
+ };
+...
--
GitLab
From 154c56d80b8f64da92f10d94531edcd070b1af72 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sun, 14 Jan 2024 06:30:34 +0100
Subject: [PATCH 0637/2686] ARM: 9334/1: mm: init: remove misuse of kernel-doc
comment
Change the "/**" beginning of comment to the common "/*" comment
since the comment is not in kernel-doc format. This prevents a
kernel-doc warning:
arch/arm/mm/init.c:422: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* update_sections_early intended to be called only through stop_machine
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: patches@armlinux.org.uk
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
arch/arm/mm/init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index a42e4cd11db29..4634db84c5af4 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -418,7 +418,7 @@ static void set_section_perms(struct section_perm *perms, int n, bool set,
}
-/**
+/*
* update_sections_early intended to be called only through stop_machine
* framework and executed by only one CPU while all other CPUs will spin and
* wait, so no locking is required in this function.
--
GitLab
From daa559570d4b81e98e5a77a5c0f2a88879a9f245 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Thu, 1 Feb 2024 18:28:06 +0100
Subject: [PATCH 0638/2686] ARM: 9349/1: unwind: Add missing "Call trace:" line
Every other architecture in Linux includes the line "Call trace:" before
backtraces. In some cases ARM would print "Backtrace:", but this was
only via 1 specific call path, and wasn't included in CPU Oops nor things
like KASAN, UBSAN, etc that called dump_stack(). Regularize this line
so CI systems and other things (like LKDTM) that depend on parsing
"Call trace:" out of dmesg will see it for ARM.
Before this patch:
UBSAN: array-index-out-of-bounds in ../drivers/misc/lkdtm/bugs.c:376:16
index 8 is out of range for type 'char [8]'
CPU: 0 PID: 1402 Comm: cat Not tainted 6.7.0-rc2 #1
Hardware name: Generic DT based system
dump_backtrace from show_stack+0x20/0x24
r7:00000042 r6:00000000 r5:60070013 r4:80cf5d7c
show_stack from dump_stack_lvl+0x88/0x98
dump_stack_lvl from dump_stack+0x18/0x1c
r7:00000042 r6:00000008 r5:00000008 r4:80fab118
dump_stack from ubsan_epilogue+0x10/0x3c
ubsan_epilogue from __ubsan_handle_out_of_bounds+0x80/0x84
...
After this patch:
UBSAN: array-index-out-of-bounds in ../drivers/misc/lkdtm/bugs.c:376:16
index 8 is out of range for type 'char [8]'
CPU: 0 PID: 1402 Comm: cat Not tainted 6.7.0-rc2 #1
Hardware name: Generic DT based system
Call trace:
dump_backtrace from show_stack+0x20/0x24
r7:00000042 r6:00000000 r5:60070013 r4:80cf5d7c
show_stack from dump_stack_lvl+0x88/0x98
dump_stack_lvl from dump_stack+0x18/0x1c
r7:00000042 r6:00000008 r5:00000008 r4:80fab118
dump_stack from ubsan_epilogue+0x10/0x3c
ubsan_epilogue from __ubsan_handle_out_of_bounds+0x80/0x84
...
Link: https://lore.kernel.org/r/20240110215554.work.460-kees@kernel.org
Reported-by: Mark Brown <broonie@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Vladimir Murzin <vladimir.murzin@arm.com>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Cc: Keith Packard <keithpac@amazon.com>
Cc: Haibo Li <haibo.li@mediatek.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
arch/arm/kernel/traps.c | 2 +-
arch/arm/kernel/unwind.c | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 3bad79db5d6e8..72c82a4d63ac2 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -220,7 +220,7 @@ void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk,
unsigned int fp, mode;
int ok = 1;
- printk("%sBacktrace: ", loglvl);
+ printk("%sCall trace: ", loglvl);
if (!tsk)
tsk = current;
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index 9d2192156087b..f60547dadc939 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -524,6 +524,8 @@ void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk,
{
struct stackframe frame;
+ printk("%sCall trace: ", loglvl);
+
pr_debug("%s(regs = %p tsk = %p)\n", __func__, regs, tsk);
if (!tsk)
--
GitLab
From 169f9102f9198b04afffa6164372a4ba4070f412 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Thu, 1 Feb 2024 18:32:58 +0100
Subject: [PATCH 0639/2686] ARM: 9350/1: fault: Implement
copy_from_kernel_nofault_allowed()
Under PAN emulation when dumping backtraces from things like the
LKDTM EXEC_USERSPACE test[1], a double fault (which would hang a CPU)
would happen because of dump_instr() attempting to read a userspace
address. Make sure copy_from_kernel_nofault() does not attempt this
any more.
Closes: https://lava.sirena.org.uk/scheduler/job/497571
Link: https://lore.kernel.org/all/202401181125.D48DCB4C@keescook/ [1]
Reported-by: Mark Brown <broonie@kernel.org>
Suggested-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Mark Brown <broonie@kernel.org>
Cc: Wang Kefeng <wangkefeng.wang@huawei.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
arch/arm/mm/fault.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index e96fb40b9cc32..ec16907a551c4 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -25,6 +25,13 @@
#include "fault.h"
+bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size)
+{
+ unsigned long addr = (unsigned long)unsafe_src;
+
+ return addr >= TASK_SIZE && ULONG_MAX - addr >= size;
+}
+
#ifdef CONFIG_MMU
/*
--
GitLab
From 8f09b8b4fa58e99cbfd9a650b31d65cdbd8e4276 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Thu, 1 Feb 2024 18:32:23 +0100
Subject: [PATCH 0640/2686] ARM: 9351/1: fault: Add "cut here" line for
prefetch aborts
The common pattern in arm is to emit a "8<--- cut here ---" line for
faults, but it was missing for do_PrefetchAbort(). Add it.
Cc: Wang Kefeng <wangkefeng.wang@huawei.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
arch/arm/mm/fault.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index ec16907a551c4..bc5b959b6f90b 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -593,6 +593,7 @@ do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs)
if (!inf->fn(addr, ifsr | FSR_LNX_PF, regs))
return;
+ pr_alert("8<--- cut here ---\n");
pr_alert("Unhandled prefetch abort: %s (0x%03x) at 0x%08lx\n",
inf->name, ifsr, addr);
--
GitLab
From c8c178e0aef1eb16c267500f702675a46ab2aace Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Thu, 15 Feb 2024 14:55:25 +0100
Subject: [PATCH 0641/2686] ARM: 9353/1: remove unneeded entry for
CONFIG_FRAME_POINTER
This is no-op.
FRAME_POINTER is defined in lib/Kconfig.debug.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
arch/arm/Kconfig.debug | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 5fbbac1b708b0..7374483591f6a 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -90,9 +90,6 @@ config BACKTRACE_VERBOSE
In most cases, say N here, unless you are intending to debug the
kernel and have access to the kernel binary image.
-config FRAME_POINTER
- bool
-
config DEBUG_USER
bool "Verbose user fault messages"
help
--
GitLab
From 5270316c9fec8cc99aa0e0a258509c5c7f789d12 Mon Sep 17 00:00:00 2001
From: Petr Pavlu <petr.pavlu@suse.com>
Date: Thu, 22 Feb 2024 14:35:00 +0100
Subject: [PATCH 0642/2686] kbuild: Use -fmin-function-alignment when available
GCC recently added option -fmin-function-alignment, which should appear
in GCC 14. Unlike -falign-functions, this option causes all functions to
be aligned at the specified value, including the cold ones.
In particular, when an arm64 kernel is built with
DYNAMIC_FTRACE_WITH_CALL_OPS=y, the 8-byte function alignment is
required for correct functionality. This was done by -falign-functions=8
and having workarounds in the kernel to force the compiler to follow
this alignment. The new -fmin-function-alignment option directly
guarantees it.
Detect availability of -fmin-function-alignment and use it instead of
-falign-functions when present. Introduce CC_HAS_SANE_FUNCTION_ALIGNMENT
and enable __cold to work as expected when it is set.
Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
Makefile | 7 +++++++
arch/Kconfig | 12 ++++++++++++
include/linux/compiler_types.h | 10 +++++-----
3 files changed, 24 insertions(+), 5 deletions(-)
diff --git a/Makefile b/Makefile
index bc54a6cc8dc5f..d84c0fb215fda 100644
--- a/Makefile
+++ b/Makefile
@@ -974,8 +974,15 @@ export CC_FLAGS_CFI
endif
ifneq ($(CONFIG_FUNCTION_ALIGNMENT),0)
+# Set the minimal function alignment. Use the newer GCC option
+# -fmin-function-alignment if it is available, or fall back to -falign-funtions.
+# See also CONFIG_CC_HAS_SANE_FUNCTION_ALIGNMENT.
+ifdef CONFIG_CC_HAS_MIN_FUNCTION_ALIGNMENT
+KBUILD_CFLAGS += -fmin-function-alignment=$(CONFIG_FUNCTION_ALIGNMENT)
+else
KBUILD_CFLAGS += -falign-functions=$(CONFIG_FUNCTION_ALIGNMENT)
endif
+endif
# arch Makefile may override CC so keep this after arch Makefile is included
NOSTDINC_FLAGS += -nostdinc
diff --git a/arch/Kconfig b/arch/Kconfig
index a5af0edd3eb8f..bd6c6335efac8 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -1507,4 +1507,16 @@ config FUNCTION_ALIGNMENT
default 4 if FUNCTION_ALIGNMENT_4B
default 0
+config CC_HAS_MIN_FUNCTION_ALIGNMENT
+ # Detect availability of the GCC option -fmin-function-alignment which
+ # guarantees minimal alignment for all functions, unlike
+ # -falign-functions which the compiler ignores for cold functions.
+ def_bool $(cc-option, -fmin-function-alignment=8)
+
+config CC_HAS_SANE_FUNCTION_ALIGNMENT
+ # Set if the guaranteed alignment with -fmin-function-alignment is
+ # available or extra care is required in the kernel. Clang provides
+ # strict alignment always, even with -falign-functions.
+ def_bool CC_HAS_MIN_FUNCTION_ALIGNMENT || CC_IS_CLANG
+
endmenu
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index 0caf354cb94b5..fb8888678687c 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -99,17 +99,17 @@ static inline void __chk_io_ptr(const volatile void __iomem *ptr) { }
* gcc: https://gcc.gnu.org/onlinedocs/gcc/Label-Attributes.html#index-cold-label-attribute
*
* When -falign-functions=N is in use, we must avoid the cold attribute as
- * contemporary versions of GCC drop the alignment for cold functions. Worse,
- * GCC can implicitly mark callees of cold functions as cold themselves, so
- * it's not sufficient to add __function_aligned here as that will not ensure
- * that callees are correctly aligned.
+ * GCC drops the alignment for cold functions. Worse, GCC can implicitly mark
+ * callees of cold functions as cold themselves, so it's not sufficient to add
+ * __function_aligned here as that will not ensure that callees are correctly
+ * aligned.
*
* See:
*
* https://lore.kernel.org/lkml/Y77%2FqVgvaJidFpYt@FVFF77S0Q05N
* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88345#c9
*/
-#if !defined(CONFIG_CC_IS_GCC) || (CONFIG_FUNCTION_ALIGNMENT == 0)
+#if defined(CONFIG_CC_HAS_SANE_FUNCTION_ALIGNMENT) || (CONFIG_FUNCTION_ALIGNMENT == 0)
#define __cold __attribute__((__cold__))
#else
#define __cold
--
GitLab
From 723012cab779eee8228376754e22c6594229bf8f Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:44 +0000
Subject: [PATCH 0643/2686] ubifs: Set page uptodate in the correct place
Page cache reads are lockless, so setting the freshly allocated page
uptodate before we've overwritten it with the data it's supposed to have
in it will allow a simultaneous reader to see old data. Move the call
to SetPageUptodate into ubifs_write_end(), which is after we copied the
new data into the page.
Fixes: 1e51764a3c2a ("UBIFS: add new flash file system")
Cc: stable@vger.kernel.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 5029eb3390a56..d0694b83dd02c 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -261,9 +261,6 @@ static int write_begin_slow(struct address_space *mapping,
return err;
}
}
-
- SetPageUptodate(page);
- ClearPageError(page);
}
if (PagePrivate(page))
@@ -463,9 +460,6 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
return err;
}
}
-
- SetPageUptodate(page);
- ClearPageError(page);
}
err = allocate_budget(c, page, ui, appending);
@@ -475,10 +469,8 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
* If we skipped reading the page because we were going to
* write all of it, then it is not up to date.
*/
- if (skipped_read) {
+ if (skipped_read)
ClearPageChecked(page);
- ClearPageUptodate(page);
- }
/*
* Budgeting failed which means it would have to force
* write-back but didn't, because we set the @fast flag in the
@@ -569,6 +561,9 @@ static int ubifs_write_end(struct file *file, struct address_space *mapping,
goto out;
}
+ if (len == PAGE_SIZE)
+ SetPageUptodate(page);
+
if (!PagePrivate(page)) {
attach_page_private(page, (void *)1);
atomic_long_inc(&c->dirty_pg_cnt);
--
GitLab
From 0df030d082d5b226984733b2e7386fa9760a7ca1 Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:45 +0000
Subject: [PATCH 0644/2686] ubifs: Convert from writepage to writepages
This is a simplistic conversion to separate out any effects of
no longer having a writepage method.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index d0694b83dd02c..2022a31006df5 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1001,8 +1001,10 @@ static int do_writepage(struct page *page, int len)
* on the page lock and it would not write the truncated inode node to the
* journal before we have finished.
*/
-static int ubifs_writepage(struct page *page, struct writeback_control *wbc)
+static int ubifs_writepage(struct folio *folio, struct writeback_control *wbc,
+ void *data)
{
+ struct page *page = &folio->page;
struct inode *inode = page->mapping->host;
struct ubifs_info *c = inode->i_sb->s_fs_info;
struct ubifs_inode *ui = ubifs_inode(inode);
@@ -1074,6 +1076,12 @@ static int ubifs_writepage(struct page *page, struct writeback_control *wbc)
return err;
}
+static int ubifs_writepages(struct address_space *mapping,
+ struct writeback_control *wbc)
+{
+ return write_cache_pages(mapping, wbc, ubifs_writepage, NULL);
+}
+
/**
* do_attr_changes - change inode attributes.
* @inode: inode to change attributes for
@@ -1643,7 +1651,7 @@ static int ubifs_symlink_getattr(struct mnt_idmap *idmap,
const struct address_space_operations ubifs_file_address_operations = {
.read_folio = ubifs_read_folio,
- .writepage = ubifs_writepage,
+ .writepages = ubifs_writepages,
.write_begin = ubifs_write_begin,
.write_end = ubifs_write_end,
.invalidate_folio = ubifs_invalidate_folio,
--
GitLab
From c35acef383f4a2f2cfc30a5d8d3b0d49a86a1f7f Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:46 +0000
Subject: [PATCH 0645/2686] ubifs: Convert ubifs_writepage to use a folio
We still pass the page down to do_writepage(), but ubifs_writepage()
itself is now large folio safe. It also contains far fewer hidden calls
to compound_head().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 39 +++++++++++++++++----------------------
1 file changed, 17 insertions(+), 22 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 2022a31006df5..a4e8bec6c03c6 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1004,21 +1004,18 @@ static int do_writepage(struct page *page, int len)
static int ubifs_writepage(struct folio *folio, struct writeback_control *wbc,
void *data)
{
- struct page *page = &folio->page;
- struct inode *inode = page->mapping->host;
+ struct inode *inode = folio->mapping->host;
struct ubifs_info *c = inode->i_sb->s_fs_info;
struct ubifs_inode *ui = ubifs_inode(inode);
loff_t i_size = i_size_read(inode), synced_i_size;
- pgoff_t end_index = i_size >> PAGE_SHIFT;
- int err, len = i_size & (PAGE_SIZE - 1);
- void *kaddr;
+ int err, len = folio_size(folio);
dbg_gen("ino %lu, pg %lu, pg flags %#lx",
- inode->i_ino, page->index, page->flags);
- ubifs_assert(c, PagePrivate(page));
+ inode->i_ino, folio->index, folio->flags);
+ ubifs_assert(c, folio->private != NULL);
- /* Is the page fully outside @i_size? (truncate in progress) */
- if (page->index > end_index || (page->index == end_index && !len)) {
+ /* Is the folio fully outside @i_size? (truncate in progress) */
+ if (folio_pos(folio) >= i_size) {
err = 0;
goto out_unlock;
}
@@ -1027,9 +1024,9 @@ static int ubifs_writepage(struct folio *folio, struct writeback_control *wbc,
synced_i_size = ui->synced_i_size;
spin_unlock(&ui->ui_lock);
- /* Is the page fully inside @i_size? */
- if (page->index < end_index) {
- if (page->index >= synced_i_size >> PAGE_SHIFT) {
+ /* Is the folio fully inside i_size? */
+ if (folio_pos(folio) + len <= i_size) {
+ if (folio_pos(folio) >= synced_i_size) {
err = inode->i_sb->s_op->write_inode(inode, NULL);
if (err)
goto out_redirty;
@@ -1042,20 +1039,18 @@ static int ubifs_writepage(struct folio *folio, struct writeback_control *wbc,
* with this.
*/
}
- return do_writepage(page, PAGE_SIZE);
+ return do_writepage(&folio->page, len);
}
/*
- * The page straddles @i_size. It must be zeroed out on each and every
+ * The folio straddles @i_size. It must be zeroed out on each and every
* writepage invocation because it may be mmapped. "A file is mapped
* in multiples of the page size. For a file that is not a multiple of
* the page size, the remaining memory is zeroed when mapped, and
* writes to that region are not written out to the file."
*/
- kaddr = kmap_atomic(page);
- memset(kaddr + len, 0, PAGE_SIZE - len);
- flush_dcache_page(page);
- kunmap_atomic(kaddr);
+ len = i_size - folio_pos(folio);
+ folio_zero_segment(folio, len, folio_size(folio));
if (i_size > synced_i_size) {
err = inode->i_sb->s_op->write_inode(inode, NULL);
@@ -1063,16 +1058,16 @@ static int ubifs_writepage(struct folio *folio, struct writeback_control *wbc,
goto out_redirty;
}
- return do_writepage(page, len);
+ return do_writepage(&folio->page, len);
out_redirty:
/*
- * redirty_page_for_writepage() won't call ubifs_dirty_inode() because
+ * folio_redirty_for_writepage() won't call ubifs_dirty_inode() because
* it passes I_DIRTY_PAGES flag while calling __mark_inode_dirty(), so
* there is no need to do space budget for dirty inode.
*/
- redirty_page_for_writepage(wbc, page);
+ folio_redirty_for_writepage(wbc, folio);
out_unlock:
- unlock_page(page);
+ folio_unlock(folio);
return err;
}
--
GitLab
From 783d074167711d8109131b66dd0b70743bfc2918 Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:47 +0000
Subject: [PATCH 0646/2686] ubifs: Use a folio in do_truncation()
Convert from the old page APIs to the new folio APIs which saves
a few hidden calls to compound_head().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index a4e8bec6c03c6..7039c9006f24a 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1153,11 +1153,11 @@ static int do_truncation(struct ubifs_info *c, struct inode *inode,
if (offset) {
pgoff_t index = new_size >> PAGE_SHIFT;
- struct page *page;
+ struct folio *folio;
- page = find_lock_page(inode->i_mapping, index);
- if (page) {
- if (PageDirty(page)) {
+ folio = filemap_lock_folio(inode->i_mapping, index);
+ if (!IS_ERR(folio)) {
+ if (folio_test_dirty(folio)) {
/*
* 'ubifs_jnl_truncate()' will try to truncate
* the last data node, but it contains
@@ -1166,14 +1166,14 @@ static int do_truncation(struct ubifs_info *c, struct inode *inode,
* 'ubifs_jnl_truncate()' will see an already
* truncated (and up to date) data node.
*/
- ubifs_assert(c, PagePrivate(page));
+ ubifs_assert(c, folio->private != NULL);
- clear_page_dirty_for_io(page);
+ folio_clear_dirty_for_io(folio);
if (UBIFS_BLOCKS_PER_PAGE_SHIFT)
- offset = new_size &
- (PAGE_SIZE - 1);
- err = do_writepage(page, offset);
- put_page(page);
+ offset = offset_in_folio(folio,
+ new_size);
+ err = do_writepage(&folio->page, offset);
+ folio_put(folio);
if (err)
goto out_budg;
/*
@@ -1186,8 +1186,8 @@ static int do_truncation(struct ubifs_info *c, struct inode *inode,
* to 'ubifs_jnl_truncate()' to save it from
* having to read it.
*/
- unlock_page(page);
- put_page(page);
+ folio_unlock(folio);
+ folio_put(folio);
}
}
}
--
GitLab
From 0c2d140c1f73f610c7e3f71888e1a50d770117e0 Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:48 +0000
Subject: [PATCH 0647/2686] ubifs: Convert do_writepage() to take a folio
Replace the call to SetPageError() with a call to mapping_set_error().
Support large folios by using kmap_local_folio() and remapping each time
we cross a page boundary. Saves a lot of hidden calls to compound_head().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 56 ++++++++++++++++++++++++++-----------------------
1 file changed, 30 insertions(+), 26 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 7039c9006f24a..70d391b72897d 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -898,60 +898,64 @@ static int ubifs_read_folio(struct file *file, struct folio *folio)
return 0;
}
-static int do_writepage(struct page *page, int len)
+static int do_writepage(struct folio *folio, size_t len)
{
- int err = 0, i, blen;
+ int err = 0, blen;
unsigned int block;
void *addr;
+ size_t offset = 0;
union ubifs_key key;
- struct inode *inode = page->mapping->host;
+ struct inode *inode = folio->mapping->host;
struct ubifs_info *c = inode->i_sb->s_fs_info;
#ifdef UBIFS_DEBUG
struct ubifs_inode *ui = ubifs_inode(inode);
spin_lock(&ui->ui_lock);
- ubifs_assert(c, page->index <= ui->synced_i_size >> PAGE_SHIFT);
+ ubifs_assert(c, folio->index <= ui->synced_i_size >> PAGE_SHIFT);
spin_unlock(&ui->ui_lock);
#endif
- /* Update radix tree tags */
- set_page_writeback(page);
+ folio_start_writeback(folio);
- addr = kmap(page);
- block = page->index << UBIFS_BLOCKS_PER_PAGE_SHIFT;
- i = 0;
- while (len) {
- blen = min_t(int, len, UBIFS_BLOCK_SIZE);
+ addr = kmap_local_folio(folio, offset);
+ block = folio->index << UBIFS_BLOCKS_PER_PAGE_SHIFT;
+ for (;;) {
+ blen = min_t(size_t, len, UBIFS_BLOCK_SIZE);
data_key_init(c, &key, inode->i_ino, block);
err = ubifs_jnl_write_data(c, inode, &key, addr, blen);
if (err)
break;
- if (++i >= UBIFS_BLOCKS_PER_PAGE)
+ len -= blen;
+ if (!len)
break;
block += 1;
addr += blen;
- len -= blen;
+ if (folio_test_highmem(folio) && !offset_in_page(addr)) {
+ kunmap_local(addr - blen);
+ offset += PAGE_SIZE;
+ addr = kmap_local_folio(folio, offset);
+ }
}
+ kunmap_local(addr);
if (err) {
- SetPageError(page);
- ubifs_err(c, "cannot write page %lu of inode %lu, error %d",
- page->index, inode->i_ino, err);
+ mapping_set_error(folio->mapping, err);
+ ubifs_err(c, "cannot write folio %lu of inode %lu, error %d",
+ folio->index, inode->i_ino, err);
ubifs_ro_mode(c, err);
}
- ubifs_assert(c, PagePrivate(page));
- if (PageChecked(page))
+ ubifs_assert(c, folio->private != NULL);
+ if (folio_test_checked(folio))
release_new_page_budget(c);
else
release_existing_page_budget(c);
atomic_long_dec(&c->dirty_pg_cnt);
- detach_page_private(page);
- ClearPageChecked(page);
+ folio_detach_private(folio);
+ folio_clear_checked(folio);
- kunmap(page);
- unlock_page(page);
- end_page_writeback(page);
+ folio_unlock(folio);
+ folio_end_writeback(folio);
return err;
}
@@ -1039,7 +1043,7 @@ static int ubifs_writepage(struct folio *folio, struct writeback_control *wbc,
* with this.
*/
}
- return do_writepage(&folio->page, len);
+ return do_writepage(folio, len);
}
/*
@@ -1058,7 +1062,7 @@ static int ubifs_writepage(struct folio *folio, struct writeback_control *wbc,
goto out_redirty;
}
- return do_writepage(&folio->page, len);
+ return do_writepage(folio, len);
out_redirty:
/*
* folio_redirty_for_writepage() won't call ubifs_dirty_inode() because
@@ -1172,7 +1176,7 @@ static int do_truncation(struct ubifs_info *c, struct inode *inode,
if (UBIFS_BLOCKS_PER_PAGE_SHIFT)
offset = offset_in_folio(folio,
new_size);
- err = do_writepage(&folio->page, offset);
+ err = do_writepage(folio, offset);
folio_put(folio);
if (err)
goto out_budg;
--
GitLab
From 85ffbf555794c2484b9ab440d3bc23638a0cb315 Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:49 +0000
Subject: [PATCH 0648/2686] ubifs: Convert ubifs_vm_page_mkwrite() to use a
folio
Replace six implicit calls to compound_head() with one.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
Documentation/mm/page_cache.rst | 10 +++++++++
fs/ubifs/file.c | 36 ++++++++++++++++-----------------
2 files changed, 28 insertions(+), 18 deletions(-)
diff --git a/Documentation/mm/page_cache.rst b/Documentation/mm/page_cache.rst
index 75eba7c431b2f..138d61f869df0 100644
--- a/Documentation/mm/page_cache.rst
+++ b/Documentation/mm/page_cache.rst
@@ -3,3 +3,13 @@
==========
Page Cache
==========
+
+The page cache is the primary way that the user and the rest of the kernel
+interact with filesystems. It can be bypassed (e.g. with O_DIRECT),
+but normal reads, writes and mmaps go through the page cache.
+
+Folios
+======
+
+The folio is the unit of memory management within the page cache.
+Operations
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 70d391b72897d..3c4a98476c232 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1514,14 +1514,14 @@ static bool ubifs_release_folio(struct folio *folio, gfp_t unused_gfp_flags)
*/
static vm_fault_t ubifs_vm_page_mkwrite(struct vm_fault *vmf)
{
- struct page *page = vmf->page;
+ struct folio *folio = page_folio(vmf->page);
struct inode *inode = file_inode(vmf->vma->vm_file);
struct ubifs_info *c = inode->i_sb->s_fs_info;
struct timespec64 now = current_time(inode);
struct ubifs_budget_req req = { .new_page = 1 };
int err, update_time;
- dbg_gen("ino %lu, pg %lu, i_size %lld", inode->i_ino, page->index,
+ dbg_gen("ino %lu, pg %lu, i_size %lld", inode->i_ino, folio->index,
i_size_read(inode));
ubifs_assert(c, !c->ro_media && !c->ro_mount);
@@ -1529,17 +1529,17 @@ static vm_fault_t ubifs_vm_page_mkwrite(struct vm_fault *vmf)
return VM_FAULT_SIGBUS; /* -EROFS */
/*
- * We have not locked @page so far so we may budget for changing the
- * page. Note, we cannot do this after we locked the page, because
+ * We have not locked @folio so far so we may budget for changing the
+ * folio. Note, we cannot do this after we locked the folio, because
* budgeting may cause write-back which would cause deadlock.
*
- * At the moment we do not know whether the page is dirty or not, so we
- * assume that it is not and budget for a new page. We could look at
+ * At the moment we do not know whether the folio is dirty or not, so we
+ * assume that it is not and budget for a new folio. We could look at
* the @PG_private flag and figure this out, but we may race with write
- * back and the page state may change by the time we lock it, so this
+ * back and the folio state may change by the time we lock it, so this
* would need additional care. We do not bother with this at the
* moment, although it might be good idea to do. Instead, we allocate
- * budget for a new page and amend it later on if the page was in fact
+ * budget for a new folio and amend it later on if the folio was in fact
* dirty.
*
* The budgeting-related logic of this function is similar to what we
@@ -1562,21 +1562,21 @@ static vm_fault_t ubifs_vm_page_mkwrite(struct vm_fault *vmf)
return VM_FAULT_SIGBUS;
}
- lock_page(page);
- if (unlikely(page->mapping != inode->i_mapping ||
- page_offset(page) > i_size_read(inode))) {
- /* Page got truncated out from underneath us */
+ folio_lock(folio);
+ if (unlikely(folio->mapping != inode->i_mapping ||
+ folio_pos(folio) >= i_size_read(inode))) {
+ /* Folio got truncated out from underneath us */
goto sigbus;
}
- if (PagePrivate(page))
+ if (folio->private)
release_new_page_budget(c);
else {
- if (!PageChecked(page))
+ if (!folio_test_checked(folio))
ubifs_convert_page_budget(c);
- attach_page_private(page, (void *)1);
+ folio_attach_private(folio, (void *)1);
atomic_long_inc(&c->dirty_pg_cnt);
- __set_page_dirty_nobuffers(page);
+ filemap_dirty_folio(folio->mapping, folio);
}
if (update_time) {
@@ -1592,11 +1592,11 @@ static vm_fault_t ubifs_vm_page_mkwrite(struct vm_fault *vmf)
ubifs_release_dirty_inode_budget(c, ui);
}
- wait_for_stable_page(page);
+ folio_wait_stable(folio);
return VM_FAULT_LOCKED;
sigbus:
- unlock_page(page);
+ folio_unlock(folio);
ubifs_release_budget(c, &req);
return VM_FAULT_SIGBUS;
}
--
GitLab
From 2ec718435abb42901c83fbf62fc4d638d4078c27 Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:50 +0000
Subject: [PATCH 0649/2686] ubifs: Convert write_begin_slow() to use a folio
Update to new APIs, removing several calls to compound_head() and
including support for large folios.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 45 +++++++++++++++++++++++----------------------
1 file changed, 23 insertions(+), 22 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 3c4a98476c232..cc4d2ec95b70a 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -222,16 +222,16 @@ static int write_begin_slow(struct address_space *mapping,
pgoff_t index = pos >> PAGE_SHIFT;
struct ubifs_budget_req req = { .new_page = 1 };
int err, appending = !!(pos + len > inode->i_size);
- struct page *page;
+ struct folio *folio;
dbg_gen("ino %lu, pos %llu, len %u, i_size %lld",
inode->i_ino, pos, len, inode->i_size);
/*
- * At the slow path we have to budget before locking the page, because
- * budgeting may force write-back, which would wait on locked pages and
- * deadlock if we had the page locked. At this point we do not know
- * anything about the page, so assume that this is a new page which is
+ * At the slow path we have to budget before locking the folio, because
+ * budgeting may force write-back, which would wait on locked folios and
+ * deadlock if we had the folio locked. At this point we do not know
+ * anything about the folio, so assume that this is a new folio which is
* written to a hole. This corresponds to largest budget. Later the
* budget will be amended if this is not true.
*/
@@ -243,42 +243,43 @@ static int write_begin_slow(struct address_space *mapping,
if (unlikely(err))
return err;
- page = grab_cache_page_write_begin(mapping, index);
- if (unlikely(!page)) {
+ folio = __filemap_get_folio(mapping, index, FGP_WRITEBEGIN,
+ mapping_gfp_mask(mapping));
+ if (IS_ERR(folio)) {
ubifs_release_budget(c, &req);
- return -ENOMEM;
+ return PTR_ERR(folio);
}
- if (!PageUptodate(page)) {
- if (!(pos & ~PAGE_MASK) && len == PAGE_SIZE)
- SetPageChecked(page);
+ if (!folio_test_uptodate(folio)) {
+ if (pos == folio_pos(folio) && len >= folio_size(folio))
+ folio_set_checked(folio);
else {
- err = do_readpage(page);
+ err = do_readpage(&folio->page);
if (err) {
- unlock_page(page);
- put_page(page);
+ folio_unlock(folio);
+ folio_put(folio);
ubifs_release_budget(c, &req);
return err;
}
}
}
- if (PagePrivate(page))
+ if (folio->private)
/*
- * The page is dirty, which means it was budgeted twice:
+ * The folio is dirty, which means it was budgeted twice:
* o first time the budget was allocated by the task which
- * made the page dirty and set the PG_private flag;
+ * made the folio dirty and set the private field;
* o and then we budgeted for it for the second time at the
* very beginning of this function.
*
- * So what we have to do is to release the page budget we
+ * So what we have to do is to release the folio budget we
* allocated.
*/
release_new_page_budget(c);
- else if (!PageChecked(page))
+ else if (!folio_test_checked(folio))
/*
- * We are changing a page which already exists on the media.
- * This means that changing the page does not make the amount
+ * We are changing a folio which already exists on the media.
+ * This means that changing the folio does not make the amount
* of indexing information larger, and this part of the budget
* which we have already acquired may be released.
*/
@@ -301,7 +302,7 @@ static int write_begin_slow(struct address_space *mapping,
ubifs_release_dirty_inode_budget(c, ui);
}
- *pagep = page;
+ *pagep = &folio->page;
return 0;
}
--
GitLab
From f60d356e6c5f966af5ab86701c93eb2028a66b31 Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:51 +0000
Subject: [PATCH 0650/2686] ubifs: Convert ubifs_write_begin() to use a folio
Save eight calls to compound_head() by using the new folio API.
Remove a few assumptions that would break with large folios.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index cc4d2ec95b70a..13c078bdf156e 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -426,7 +426,7 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
pgoff_t index = pos >> PAGE_SHIFT;
int err, appending = !!(pos + len > inode->i_size);
int skipped_read = 0;
- struct page *page;
+ struct folio *folio;
ubifs_assert(c, ubifs_inode(inode)->ui_size == inode->i_size);
ubifs_assert(c, !c->ro_media && !c->ro_mount);
@@ -435,13 +435,14 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
return -EROFS;
/* Try out the fast-path part first */
- page = grab_cache_page_write_begin(mapping, index);
- if (unlikely(!page))
- return -ENOMEM;
+ folio = __filemap_get_folio(mapping, index, FGP_WRITEBEGIN,
+ mapping_gfp_mask(mapping));
+ if (IS_ERR(folio))
+ return PTR_ERR(folio);
- if (!PageUptodate(page)) {
+ if (!folio_test_uptodate(folio)) {
/* The page is not loaded from the flash */
- if (!(pos & ~PAGE_MASK) && len == PAGE_SIZE) {
+ if (pos == folio_pos(folio) && len >= folio_size(folio)) {
/*
* We change whole page so no need to load it. But we
* do not know whether this page exists on the media or
@@ -451,19 +452,19 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
* media. Thus, we are setting the @PG_checked flag
* here.
*/
- SetPageChecked(page);
+ folio_set_checked(folio);
skipped_read = 1;
} else {
- err = do_readpage(page);
+ err = do_readpage(&folio->page);
if (err) {
- unlock_page(page);
- put_page(page);
+ folio_unlock(folio);
+ folio_put(folio);
return err;
}
}
}
- err = allocate_budget(c, page, ui, appending);
+ err = allocate_budget(c, &folio->page, ui, appending);
if (unlikely(err)) {
ubifs_assert(c, err == -ENOSPC);
/*
@@ -471,7 +472,7 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
* write all of it, then it is not up to date.
*/
if (skipped_read)
- ClearPageChecked(page);
+ folio_clear_checked(folio);
/*
* Budgeting failed which means it would have to force
* write-back but didn't, because we set the @fast flag in the
@@ -483,8 +484,8 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
ubifs_assert(c, mutex_is_locked(&ui->ui_mutex));
mutex_unlock(&ui->ui_mutex);
}
- unlock_page(page);
- put_page(page);
+ folio_unlock(folio);
+ folio_put(folio);
return write_begin_slow(mapping, pos, len, pagep);
}
@@ -495,9 +496,8 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
* with @ui->ui_mutex locked if we are appending pages, and unlocked
* otherwise. This is an optimization (slightly hacky though).
*/
- *pagep = page;
+ *pagep = &folio->page;
return 0;
-
}
/**
--
GitLab
From ffdff813d5b1fa738b5433c5698108c69cd4b71f Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:52 +0000
Subject: [PATCH 0651/2686] ubifs: Convert ubifs_write_end() to use a folio
Convert the incoming page pointer to a folio and use it throughout,
saving several calls to compound_head(). Also remove some PAGE_SIZE
assumptions.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 41 +++++++++++++++++++++--------------------
1 file changed, 21 insertions(+), 20 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 13c078bdf156e..feab95b59b05e 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -530,6 +530,7 @@ static int ubifs_write_end(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned copied,
struct page *page, void *fsdata)
{
+ struct folio *folio = page_folio(page);
struct inode *inode = mapping->host;
struct ubifs_inode *ui = ubifs_inode(inode);
struct ubifs_info *c = inode->i_sb->s_fs_info;
@@ -537,47 +538,47 @@ static int ubifs_write_end(struct file *file, struct address_space *mapping,
int appending = !!(end_pos > inode->i_size);
dbg_gen("ino %lu, pos %llu, pg %lu, len %u, copied %d, i_size %lld",
- inode->i_ino, pos, page->index, len, copied, inode->i_size);
+ inode->i_ino, pos, folio->index, len, copied, inode->i_size);
- if (unlikely(copied < len && len == PAGE_SIZE)) {
+ if (unlikely(copied < len && !folio_test_uptodate(folio))) {
/*
- * VFS copied less data to the page that it intended and
+ * VFS copied less data to the folio than it intended and
* declared in its '->write_begin()' call via the @len
- * argument. If the page was not up-to-date, and @len was
- * @PAGE_SIZE, the 'ubifs_write_begin()' function did
+ * argument. If the folio was not up-to-date,
+ * the 'ubifs_write_begin()' function did
* not load it from the media (for optimization reasons). This
- * means that part of the page contains garbage. So read the
- * page now.
+ * means that part of the folio contains garbage. So read the
+ * folio now.
*/
dbg_gen("copied %d instead of %d, read page and repeat",
copied, len);
- cancel_budget(c, page, ui, appending);
- ClearPageChecked(page);
+ cancel_budget(c, &folio->page, ui, appending);
+ folio_clear_checked(folio);
/*
* Return 0 to force VFS to repeat the whole operation, or the
* error code if 'do_readpage()' fails.
*/
- copied = do_readpage(page);
+ copied = do_readpage(&folio->page);
goto out;
}
- if (len == PAGE_SIZE)
- SetPageUptodate(page);
+ if (len == folio_size(folio))
+ folio_mark_uptodate(folio);
- if (!PagePrivate(page)) {
- attach_page_private(page, (void *)1);
+ if (!folio->private) {
+ folio_attach_private(folio, (void *)1);
atomic_long_inc(&c->dirty_pg_cnt);
- __set_page_dirty_nobuffers(page);
+ filemap_dirty_folio(mapping, folio);
}
if (appending) {
i_size_write(inode, end_pos);
ui->ui_size = end_pos;
/*
- * Note, we do not set @I_DIRTY_PAGES (which means that the
- * inode has dirty pages), this has been done in
- * '__set_page_dirty_nobuffers()'.
+ * We do not set @I_DIRTY_PAGES (which means that
+ * the inode has dirty pages), this was done in
+ * filemap_dirty_folio().
*/
__mark_inode_dirty(inode, I_DIRTY_DATASYNC);
ubifs_assert(c, mutex_is_locked(&ui->ui_mutex));
@@ -585,8 +586,8 @@ static int ubifs_write_end(struct file *file, struct address_space *mapping,
}
out:
- unlock_page(page);
- put_page(page);
+ folio_unlock(folio);
+ folio_put(folio);
return copied;
}
--
GitLab
From b96af1fdb47cf85eaddc3c82413b580b75aae2d2 Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:53 +0000
Subject: [PATCH 0652/2686] ubifs: Convert do_readpage() to take a folio
All the callers now have a folio, so pass it in, and convert do_readpage()
to us folios directly. Includes unifying the exit paths from this
function and using kmap_local instead of plain kmap. This function
should now work with large folios, but this is not tested.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 64 +++++++++++++++++++++++--------------------------
1 file changed, 30 insertions(+), 34 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index feab95b59b05e..654af636b11d4 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -96,36 +96,36 @@ static int read_block(struct inode *inode, void *addr, unsigned int block,
return -EINVAL;
}
-static int do_readpage(struct page *page)
+static int do_readpage(struct folio *folio)
{
void *addr;
int err = 0, i;
unsigned int block, beyond;
- struct ubifs_data_node *dn;
- struct inode *inode = page->mapping->host;
+ struct ubifs_data_node *dn = NULL;
+ struct inode *inode = folio->mapping->host;
struct ubifs_info *c = inode->i_sb->s_fs_info;
loff_t i_size = i_size_read(inode);
dbg_gen("ino %lu, pg %lu, i_size %lld, flags %#lx",
- inode->i_ino, page->index, i_size, page->flags);
- ubifs_assert(c, !PageChecked(page));
- ubifs_assert(c, !PagePrivate(page));
+ inode->i_ino, folio->index, i_size, folio->flags);
+ ubifs_assert(c, !folio_test_checked(folio));
+ ubifs_assert(c, !folio->private);
- addr = kmap(page);
+ addr = kmap_local_folio(folio, 0);
- block = page->index << UBIFS_BLOCKS_PER_PAGE_SHIFT;
+ block = folio->index << UBIFS_BLOCKS_PER_PAGE_SHIFT;
beyond = (i_size + UBIFS_BLOCK_SIZE - 1) >> UBIFS_BLOCK_SHIFT;
if (block >= beyond) {
/* Reading beyond inode */
- SetPageChecked(page);
- memset(addr, 0, PAGE_SIZE);
+ folio_set_checked(folio);
+ addr = folio_zero_tail(folio, 0, addr);
goto out;
}
dn = kmalloc(UBIFS_MAX_DATA_NODE_SZ, GFP_NOFS);
if (!dn) {
err = -ENOMEM;
- goto error;
+ goto out;
}
i = 0;
@@ -150,39 +150,35 @@ static int do_readpage(struct page *page)
memset(addr + ilen, 0, dlen - ilen);
}
}
- if (++i >= UBIFS_BLOCKS_PER_PAGE)
+ if (++i >= (UBIFS_BLOCKS_PER_PAGE << folio_order(folio)))
break;
block += 1;
addr += UBIFS_BLOCK_SIZE;
+ if (folio_test_highmem(folio) && (offset_in_page(addr) == 0)) {
+ kunmap_local(addr - UBIFS_BLOCK_SIZE);
+ addr = kmap_local_folio(folio, i * UBIFS_BLOCK_SIZE);
+ }
}
+
if (err) {
struct ubifs_info *c = inode->i_sb->s_fs_info;
if (err == -ENOENT) {
/* Not found, so it must be a hole */
- SetPageChecked(page);
+ folio_set_checked(folio);
dbg_gen("hole");
- goto out_free;
+ err = 0;
+ } else {
+ ubifs_err(c, "cannot read page %lu of inode %lu, error %d",
+ folio->index, inode->i_ino, err);
}
- ubifs_err(c, "cannot read page %lu of inode %lu, error %d",
- page->index, inode->i_ino, err);
- goto error;
}
-out_free:
- kfree(dn);
out:
- SetPageUptodate(page);
- ClearPageError(page);
- flush_dcache_page(page);
- kunmap(page);
- return 0;
-
-error:
kfree(dn);
- ClearPageUptodate(page);
- SetPageError(page);
- flush_dcache_page(page);
- kunmap(page);
+ if (!err)
+ folio_mark_uptodate(folio);
+ flush_dcache_folio(folio);
+ kunmap_local(addr);
return err;
}
@@ -254,7 +250,7 @@ static int write_begin_slow(struct address_space *mapping,
if (pos == folio_pos(folio) && len >= folio_size(folio))
folio_set_checked(folio);
else {
- err = do_readpage(&folio->page);
+ err = do_readpage(folio);
if (err) {
folio_unlock(folio);
folio_put(folio);
@@ -455,7 +451,7 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
folio_set_checked(folio);
skipped_read = 1;
} else {
- err = do_readpage(&folio->page);
+ err = do_readpage(folio);
if (err) {
folio_unlock(folio);
folio_put(folio);
@@ -559,7 +555,7 @@ static int ubifs_write_end(struct file *file, struct address_space *mapping,
* Return 0 to force VFS to repeat the whole operation, or the
* error code if 'do_readpage()' fails.
*/
- copied = do_readpage(&folio->page);
+ copied = do_readpage(folio);
goto out;
}
@@ -895,7 +891,7 @@ static int ubifs_read_folio(struct file *file, struct folio *folio)
if (ubifs_bulk_read(page))
return 0;
- do_readpage(page);
+ do_readpage(folio);
folio_unlock(folio);
return 0;
}
--
GitLab
From a3c2f196cdfc21404e9678204f55ad7be8e7226e Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:54 +0000
Subject: [PATCH 0653/2686] ubifs: Convert allocate_budget() to work on a folio
The one caller has a folio, so pass it in instead of the page.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 654af636b11d4..5542d73db7179 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -305,7 +305,7 @@ static int write_begin_slow(struct address_space *mapping,
/**
* allocate_budget - allocate budget for 'ubifs_write_begin()'.
* @c: UBIFS file-system description object
- * @page: page to allocate budget for
+ * @folio: folio to allocate budget for
* @ui: UBIFS inode object the page belongs to
* @appending: non-zero if the page is appended
*
@@ -316,15 +316,15 @@ static int write_begin_slow(struct address_space *mapping,
*
* Returns: %0 in case of success and %-ENOSPC in case of failure.
*/
-static int allocate_budget(struct ubifs_info *c, struct page *page,
+static int allocate_budget(struct ubifs_info *c, struct folio *folio,
struct ubifs_inode *ui, int appending)
{
struct ubifs_budget_req req = { .fast = 1 };
- if (PagePrivate(page)) {
+ if (folio->private) {
if (!appending)
/*
- * The page is dirty and we are not appending, which
+ * The folio is dirty and we are not appending, which
* means no budget is needed at all.
*/
return 0;
@@ -348,11 +348,11 @@ static int allocate_budget(struct ubifs_info *c, struct page *page,
*/
req.dirtied_ino = 1;
} else {
- if (PageChecked(page))
+ if (folio_test_checked(folio))
/*
* The page corresponds to a hole and does not
* exist on the media. So changing it makes
- * make the amount of indexing information
+ * the amount of indexing information
* larger, and we have to budget for a new
* page.
*/
@@ -460,7 +460,7 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
}
}
- err = allocate_budget(c, &folio->page, ui, appending);
+ err = allocate_budget(c, folio, ui, appending);
if (unlikely(err)) {
ubifs_assert(c, err == -ENOSPC);
/*
--
GitLab
From 45d76698d119fffcd4d39d1cfcbfe30a87a7df77 Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:55 +0000
Subject: [PATCH 0654/2686] ubifs: Convert cancel_budget() to take a folio
The one caller already has a folio, so pass it in instead of the page.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 5542d73db7179..9cd2e6d37c5d1 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -499,14 +499,14 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping,
/**
* cancel_budget - cancel budget.
* @c: UBIFS file-system description object
- * @page: page to cancel budget for
+ * @folio: folio to cancel budget for
* @ui: UBIFS inode object the page belongs to
* @appending: non-zero if the page is appended
*
* This is a helper function for a page write operation. It unlocks the
* @ui->ui_mutex in case of appending.
*/
-static void cancel_budget(struct ubifs_info *c, struct page *page,
+static void cancel_budget(struct ubifs_info *c, struct folio *folio,
struct ubifs_inode *ui, int appending)
{
if (appending) {
@@ -514,8 +514,8 @@ static void cancel_budget(struct ubifs_info *c, struct page *page,
ubifs_release_dirty_inode_budget(c, ui);
mutex_unlock(&ui->ui_mutex);
}
- if (!PagePrivate(page)) {
- if (PageChecked(page))
+ if (!folio->private) {
+ if (folio_test_checked(folio))
release_new_page_budget(c);
else
release_existing_page_budget(c);
@@ -548,7 +548,7 @@ static int ubifs_write_end(struct file *file, struct address_space *mapping,
*/
dbg_gen("copied %d instead of %d, read page and repeat",
copied, len);
- cancel_budget(c, &folio->page, ui, appending);
+ cancel_budget(c, folio, ui, appending);
folio_clear_checked(folio);
/*
--
GitLab
From 7f348f8ce51c963d99a66d00ab73717f35dd27e1 Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:56 +0000
Subject: [PATCH 0655/2686] ubifs: Pass a folio into ubifs_bulk_read() and
ubifs_do_bulk_read()
This saves a single call to compound_head().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 28 +++++++++++++---------------
1 file changed, 13 insertions(+), 15 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 9cd2e6d37c5d1..f481fca7f53dc 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -703,15 +703,15 @@ static int populate_page(struct ubifs_info *c, struct page *page,
* ubifs_do_bulk_read - do bulk-read.
* @c: UBIFS file-system description object
* @bu: bulk-read information
- * @page1: first page to read
+ * @folio1: first folio to read
*
* Returns: %1 if the bulk-read is done, otherwise %0 is returned.
*/
static int ubifs_do_bulk_read(struct ubifs_info *c, struct bu_info *bu,
- struct page *page1)
+ struct folio *folio1)
{
- pgoff_t offset = page1->index, end_index;
- struct address_space *mapping = page1->mapping;
+ pgoff_t offset = folio1->index, end_index;
+ struct address_space *mapping = folio1->mapping;
struct inode *inode = mapping->host;
struct ubifs_inode *ui = ubifs_inode(inode);
int err, page_idx, page_cnt, ret = 0, n = 0;
@@ -761,11 +761,11 @@ static int ubifs_do_bulk_read(struct ubifs_info *c, struct bu_info *bu,
goto out_warn;
}
- err = populate_page(c, page1, bu, &n);
+ err = populate_page(c, &folio1->page, bu, &n);
if (err)
goto out_warn;
- unlock_page(page1);
+ folio_unlock(folio1);
ret = 1;
isize = i_size_read(inode);
@@ -810,7 +810,7 @@ static int ubifs_do_bulk_read(struct ubifs_info *c, struct bu_info *bu,
/**
* ubifs_bulk_read - determine whether to bulk-read and, if so, do it.
- * @page: page from which to start bulk-read.
+ * @folio: folio from which to start bulk-read.
*
* Some flash media are capable of reading sequentially at faster rates. UBIFS
* bulk-read facility is designed to take advantage of that, by reading in one
@@ -819,12 +819,12 @@ static int ubifs_do_bulk_read(struct ubifs_info *c, struct bu_info *bu,
*
* Returns: %1 if a bulk-read is done and %0 otherwise.
*/
-static int ubifs_bulk_read(struct page *page)
+static int ubifs_bulk_read(struct folio *folio)
{
- struct inode *inode = page->mapping->host;
+ struct inode *inode = folio->mapping->host;
struct ubifs_info *c = inode->i_sb->s_fs_info;
struct ubifs_inode *ui = ubifs_inode(inode);
- pgoff_t index = page->index, last_page_read = ui->last_page_read;
+ pgoff_t index = folio->index, last_page_read = ui->last_page_read;
struct bu_info *bu;
int err = 0, allocated = 0;
@@ -872,8 +872,8 @@ static int ubifs_bulk_read(struct page *page)
bu->buf_len = c->max_bu_buf_len;
data_key_init(c, &bu->key, inode->i_ino,
- page->index << UBIFS_BLOCKS_PER_PAGE_SHIFT);
- err = ubifs_do_bulk_read(c, bu, page);
+ folio->index << UBIFS_BLOCKS_PER_PAGE_SHIFT);
+ err = ubifs_do_bulk_read(c, bu, folio);
if (!allocated)
mutex_unlock(&c->bu_mutex);
@@ -887,9 +887,7 @@ static int ubifs_bulk_read(struct page *page)
static int ubifs_read_folio(struct file *file, struct folio *folio)
{
- struct page *page = &folio->page;
-
- if (ubifs_bulk_read(page))
+ if (ubifs_bulk_read(folio))
return 0;
do_readpage(folio);
folio_unlock(folio);
--
GitLab
From d06192731c335cb7b62ad0dd211de26e03d56f3f Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:57 +0000
Subject: [PATCH 0656/2686] ubifs: Use a folio in ubifs_do_bulk_read()
When looking in the page cache, retrieve a folio instead of a page.
This would need some work to make it safe for large folios.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index f481fca7f53dc..11bf9f8cca6c4 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -775,19 +775,19 @@ static int ubifs_do_bulk_read(struct ubifs_info *c, struct bu_info *bu,
for (page_idx = 1; page_idx < page_cnt; page_idx++) {
pgoff_t page_offset = offset + page_idx;
- struct page *page;
+ struct folio *folio;
if (page_offset > end_index)
break;
- page = pagecache_get_page(mapping, page_offset,
+ folio = __filemap_get_folio(mapping, page_offset,
FGP_LOCK|FGP_ACCESSED|FGP_CREAT|FGP_NOWAIT,
ra_gfp_mask);
- if (!page)
+ if (IS_ERR(folio))
break;
- if (!PageUptodate(page))
- err = populate_page(c, page, bu, &n);
- unlock_page(page);
- put_page(page);
+ if (!folio_test_uptodate(folio))
+ err = populate_page(c, &folio->page, bu, &n);
+ folio_unlock(folio);
+ folio_put(folio);
if (err)
break;
}
--
GitLab
From a16bfab367c60f1a66be03676a374451dc022b37 Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Wed, 24 Jan 2024 17:52:58 +0000
Subject: [PATCH 0657/2686] ubifs: Convert populate_page() to take a folio
Both callers now have a folio, so pass it in. This function contains
several assumptions that folios are not large.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/file.c | 41 +++++++++++++++++++++--------------------
1 file changed, 21 insertions(+), 20 deletions(-)
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 11bf9f8cca6c4..a1f46919934c7 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -590,35 +590,35 @@ static int ubifs_write_end(struct file *file, struct address_space *mapping,
/**
* populate_page - copy data nodes into a page for bulk-read.
* @c: UBIFS file-system description object
- * @page: page
+ * @folio: folio
* @bu: bulk-read information
* @n: next zbranch slot
*
* Returns: %0 on success and a negative error code on failure.
*/
-static int populate_page(struct ubifs_info *c, struct page *page,
+static int populate_page(struct ubifs_info *c, struct folio *folio,
struct bu_info *bu, int *n)
{
int i = 0, nn = *n, offs = bu->zbranch[0].offs, hole = 0, read = 0;
- struct inode *inode = page->mapping->host;
+ struct inode *inode = folio->mapping->host;
loff_t i_size = i_size_read(inode);
unsigned int page_block;
void *addr, *zaddr;
pgoff_t end_index;
dbg_gen("ino %lu, pg %lu, i_size %lld, flags %#lx",
- inode->i_ino, page->index, i_size, page->flags);
+ inode->i_ino, folio->index, i_size, folio->flags);
- addr = zaddr = kmap(page);
+ addr = zaddr = kmap_local_folio(folio, 0);
end_index = (i_size - 1) >> PAGE_SHIFT;
- if (!i_size || page->index > end_index) {
+ if (!i_size || folio->index > end_index) {
hole = 1;
- memset(addr, 0, PAGE_SIZE);
+ addr = folio_zero_tail(folio, 0, addr);
goto out_hole;
}
- page_block = page->index << UBIFS_BLOCKS_PER_PAGE_SHIFT;
+ page_block = folio->index << UBIFS_BLOCKS_PER_PAGE_SHIFT;
while (1) {
int err, len, out_len, dlen;
@@ -667,9 +667,13 @@ static int populate_page(struct ubifs_info *c, struct page *page,
break;
addr += UBIFS_BLOCK_SIZE;
page_block += 1;
+ if (folio_test_highmem(folio) && (offset_in_page(addr) == 0)) {
+ kunmap_local(addr - UBIFS_BLOCK_SIZE);
+ addr = kmap_local_folio(folio, i * UBIFS_BLOCK_SIZE);
+ }
}
- if (end_index == page->index) {
+ if (end_index == folio->index) {
int len = i_size & (PAGE_SIZE - 1);
if (len && len < read)
@@ -678,22 +682,19 @@ static int populate_page(struct ubifs_info *c, struct page *page,
out_hole:
if (hole) {
- SetPageChecked(page);
+ folio_set_checked(folio);
dbg_gen("hole");
}
- SetPageUptodate(page);
- ClearPageError(page);
- flush_dcache_page(page);
- kunmap(page);
+ folio_mark_uptodate(folio);
+ flush_dcache_folio(folio);
+ kunmap_local(addr);
*n = nn;
return 0;
out_err:
- ClearPageUptodate(page);
- SetPageError(page);
- flush_dcache_page(page);
- kunmap(page);
+ flush_dcache_folio(folio);
+ kunmap_local(addr);
ubifs_err(c, "bad data node (block %u, inode %lu)",
page_block, inode->i_ino);
return -EINVAL;
@@ -761,7 +762,7 @@ static int ubifs_do_bulk_read(struct ubifs_info *c, struct bu_info *bu,
goto out_warn;
}
- err = populate_page(c, &folio1->page, bu, &n);
+ err = populate_page(c, folio1, bu, &n);
if (err)
goto out_warn;
@@ -785,7 +786,7 @@ static int ubifs_do_bulk_read(struct ubifs_info *c, struct bu_info *bu,
if (IS_ERR(folio))
break;
if (!folio_test_uptodate(folio))
- err = populate_page(c, &folio->page, bu, &n);
+ err = populate_page(c, folio, bu, &n);
folio_unlock(folio);
folio_put(folio);
if (err)
--
GitLab
From eb54235315f4577b035c89a10ca3eb48caab0445 Mon Sep 17 00:00:00 2001
From: Richard Weinberger <richard@nod.at>
Date: Wed, 24 Jan 2024 10:22:46 +0100
Subject: [PATCH 0658/2686] MAINTAINERS: Add Zhihao Cheng as UBI/UBIFS reviewer
Recognizing Zhihao Cheng's valuable contributions,
let's officially appoint him as a UBI/UBIFS reviewer.
His demonstrated expertise and assistance make him a valuable
addition to the MTD community.
Cc: Zhihao Cheng <chengzhihao1@huawei.com>
Acked-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
MAINTAINERS | 2 ++
1 file changed, 2 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 9ed4d38685394..94ff0f30130b6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -22471,6 +22471,7 @@ F: include/uapi/misc/uacce/
UBI FILE SYSTEM (UBIFS)
M: Richard Weinberger <richard@nod.at>
+R: Zhihao Cheng <chengzhihao1@huawei.com>
L: linux-mtd@lists.infradead.org
S: Supported
W: http://www.linux-mtd.infradead.org/doc/ubifs.html
@@ -22599,6 +22600,7 @@ F: drivers/ufs/host/ufs-renesas.c
UNSORTED BLOCK IMAGES (UBI)
M: Richard Weinberger <richard@nod.at>
+R: Zhihao Cheng <chengzhihao1@huawei.com>
L: linux-mtd@lists.infradead.org
S: Supported
W: http://www.linux-mtd.infradead.org/
--
GitLab
From 68a24aba7c593eafa8fd00f2f76407b9b32b47a9 Mon Sep 17 00:00:00 2001
From: Richard Weinberger <richard@nod.at>
Date: Wed, 24 Jan 2024 07:37:02 +0100
Subject: [PATCH 0659/2686] ubi: Check for too small LEB size in VTBL code
If the LEB size is smaller than a volume table record we cannot
have volumes.
In this case abort attaching.
Cc: Chenyuan Yang <cy54@illinois.edu>
Cc: stable@vger.kernel.org
Fixes: 801c135ce73d ("UBI: Unsorted Block Images")
Reported-by: Chenyuan Yang <cy54@illinois.edu>
Closes: https://lore.kernel.org/linux-mtd/1433EB7A-FC89-47D6-8F47-23BE41B263B3@illinois.edu/
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
---
drivers/mtd/ubi/vtbl.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index f700f0e4f2ec4..6e5489e233dd2 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -791,6 +791,12 @@ int ubi_read_volume_table(struct ubi_device *ubi, struct ubi_attach_info *ai)
* The number of supported volumes is limited by the eraseblock size
* and by the UBI_MAX_VOLUMES constant.
*/
+
+ if (ubi->leb_size < UBI_VTBL_RECORD_SIZE) {
+ ubi_err(ubi, "LEB size too small for a volume record");
+ return -EINVAL;
+ }
+
ubi->vtbl_slots = ubi->leb_size / UBI_VTBL_RECORD_SIZE;
if (ubi->vtbl_slots > UBI_MAX_VOLUMES)
ubi->vtbl_slots = UBI_MAX_VOLUMES;
--
GitLab
From 60f16e912a53ad78306ca7cf0c95913293042411 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 13 Feb 2024 10:54:07 +0100
Subject: [PATCH 0660/2686] ubifs: fix sort function prototype
The global sort() function expects a callback pointer to a function with two
void* arguments, but ubifs has a function with specific object types, which
causes a warning in clang-16 and higher:
fs/ubifs/lprops.c:1272:9: error: cast from 'int (*)(struct ubifs_info *, const struct ubifs_lprops *, int, struct ubifs_lp_stats *)' to 'ubifs_lpt_scan_callback' (aka 'int (*)(struct ubifs_info *, const struct ubifs_lprops *, int, void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
1272 | (ubifs_lpt_scan_callback)scan_check_cb,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Change the prototype to the regular one and cast the object pointers
locally instead.
Fixes: 1e51764a3c2a ("UBIFS: add new flash file system")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/find.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c
index 873e6e1c92b5c..1cb79b167a4f8 100644
--- a/fs/ubifs/find.c
+++ b/fs/ubifs/find.c
@@ -726,11 +726,10 @@ int ubifs_find_free_leb_for_idx(struct ubifs_info *c)
return err;
}
-static int cmp_dirty_idx(const struct ubifs_lprops **a,
- const struct ubifs_lprops **b)
+static int cmp_dirty_idx(const void *a, const void *b)
{
- const struct ubifs_lprops *lpa = *a;
- const struct ubifs_lprops *lpb = *b;
+ const struct ubifs_lprops *lpa = *(const struct ubifs_lprops **)a;
+ const struct ubifs_lprops *lpb = *(const struct ubifs_lprops **)b;
return lpa->dirty + lpa->free - lpb->dirty - lpb->free;
}
@@ -754,7 +753,7 @@ int ubifs_save_dirty_idx_lnums(struct ubifs_info *c)
sizeof(void *) * c->dirty_idx.cnt);
/* Sort it so that the dirtiest is now at the end */
sort(c->dirty_idx.arr, c->dirty_idx.cnt, sizeof(void *),
- (int (*)(const void *, const void *))cmp_dirty_idx, NULL);
+ cmp_dirty_idx, NULL);
dbg_find("found %d dirty index LEBs", c->dirty_idx.cnt);
if (c->dirty_idx.cnt)
dbg_find("dirtiest index LEB is %d with dirty %d and free %d",
--
GitLab
From ec724e534dfdd592abc5ac066be77ef15c455ccc Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 13 Feb 2024 10:54:08 +0100
Subject: [PATCH 0661/2686] ubifs: fix function pointer cast warnings
ubifs has a number of callback functions for ubifs_lpt_scan_nolock() using
two different prototypes, either passing a struct scan_data or
a struct ubifs_lp_stats, but the caller expects a void pointer instead.
clang-16 now warns about this:
fs/ubifs/find.c:170:9: error: cast from 'int (*)(struct ubifs_info *, const struct ubifs_lprops *, int, struct scan_data *)' to 'ubifs_lpt_scan_callback' (aka 'int (*)(struct ubifs_info *, const struct ubifs_lprops *, int, void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
170 | (ubifs_lpt_scan_callback)scan_for_dirty_cb,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fs/ubifs/find.c:449:9: error: cast from 'int (*)(struct ubifs_info *, const struct ubifs_lprops *, int, struct scan_data *)' to 'ubifs_lpt_scan_callback' (aka 'int (*)(struct ubifs_info *, const struct ubifs_lprops *, int, void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
449 | (ubifs_lpt_scan_callback)scan_for_free_cb,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Change all of these callback functions to actually take the void * argument
that is passed by their caller.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/find.c | 23 ++++++++++++-----------
fs/ubifs/lprops.c | 6 +++---
2 files changed, 15 insertions(+), 14 deletions(-)
diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c
index 1cb79b167a4f8..6ebf3c04ac5fe 100644
--- a/fs/ubifs/find.c
+++ b/fs/ubifs/find.c
@@ -82,8 +82,9 @@ static int valuable(struct ubifs_info *c, const struct ubifs_lprops *lprops)
*/
static int scan_for_dirty_cb(struct ubifs_info *c,
const struct ubifs_lprops *lprops, int in_tree,
- struct scan_data *data)
+ void *arg)
{
+ struct scan_data *data = arg;
int ret = LPT_SCAN_CONTINUE;
/* Exclude LEBs that are currently in use */
@@ -166,8 +167,7 @@ static const struct ubifs_lprops *scan_for_dirty(struct ubifs_info *c,
data.pick_free = pick_free;
data.lnum = -1;
data.exclude_index = exclude_index;
- err = ubifs_lpt_scan_nolock(c, -1, c->lscan_lnum,
- (ubifs_lpt_scan_callback)scan_for_dirty_cb,
+ err = ubifs_lpt_scan_nolock(c, -1, c->lscan_lnum, scan_for_dirty_cb,
&data);
if (err)
return ERR_PTR(err);
@@ -349,8 +349,9 @@ int ubifs_find_dirty_leb(struct ubifs_info *c, struct ubifs_lprops *ret_lp,
*/
static int scan_for_free_cb(struct ubifs_info *c,
const struct ubifs_lprops *lprops, int in_tree,
- struct scan_data *data)
+ void *arg)
{
+ struct scan_data *data = arg;
int ret = LPT_SCAN_CONTINUE;
/* Exclude LEBs that are currently in use */
@@ -446,7 +447,7 @@ const struct ubifs_lprops *do_find_free_space(struct ubifs_info *c,
data.pick_free = pick_free;
data.lnum = -1;
err = ubifs_lpt_scan_nolock(c, -1, c->lscan_lnum,
- (ubifs_lpt_scan_callback)scan_for_free_cb,
+ scan_for_free_cb,
&data);
if (err)
return ERR_PTR(err);
@@ -589,8 +590,9 @@ int ubifs_find_free_space(struct ubifs_info *c, int min_space, int *offs,
*/
static int scan_for_idx_cb(struct ubifs_info *c,
const struct ubifs_lprops *lprops, int in_tree,
- struct scan_data *data)
+ void *arg)
{
+ struct scan_data *data = arg;
int ret = LPT_SCAN_CONTINUE;
/* Exclude LEBs that are currently in use */
@@ -625,8 +627,7 @@ static const struct ubifs_lprops *scan_for_leb_for_idx(struct ubifs_info *c)
int err;
data.lnum = -1;
- err = ubifs_lpt_scan_nolock(c, -1, c->lscan_lnum,
- (ubifs_lpt_scan_callback)scan_for_idx_cb,
+ err = ubifs_lpt_scan_nolock(c, -1, c->lscan_lnum, scan_for_idx_cb,
&data);
if (err)
return ERR_PTR(err);
@@ -781,8 +782,9 @@ int ubifs_save_dirty_idx_lnums(struct ubifs_info *c)
*/
static int scan_dirty_idx_cb(struct ubifs_info *c,
const struct ubifs_lprops *lprops, int in_tree,
- struct scan_data *data)
+ void *arg)
{
+ struct scan_data *data = arg;
int ret = LPT_SCAN_CONTINUE;
/* Exclude LEBs that are currently in use */
@@ -841,8 +843,7 @@ static int find_dirty_idx_leb(struct ubifs_info *c)
if (c->pnodes_have >= c->pnode_cnt)
/* All pnodes are in memory, so skip scan */
return -ENOSPC;
- err = ubifs_lpt_scan_nolock(c, -1, c->lscan_lnum,
- (ubifs_lpt_scan_callback)scan_dirty_idx_cb,
+ err = ubifs_lpt_scan_nolock(c, -1, c->lscan_lnum, scan_dirty_idx_cb,
&data);
if (err)
return err;
diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c
index 6d6cd85c2b4ca..a11c3dab7e168 100644
--- a/fs/ubifs/lprops.c
+++ b/fs/ubifs/lprops.c
@@ -1014,8 +1014,9 @@ void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat,
*/
static int scan_check_cb(struct ubifs_info *c,
const struct ubifs_lprops *lp, int in_tree,
- struct ubifs_lp_stats *lst)
+ void *arg)
{
+ struct ubifs_lp_stats *lst = arg;
struct ubifs_scan_leb *sleb;
struct ubifs_scan_node *snod;
int cat, lnum = lp->lnum, is_idx = 0, used = 0, free, dirty, ret;
@@ -1269,8 +1270,7 @@ int dbg_check_lprops(struct ubifs_info *c)
memset(&lst, 0, sizeof(struct ubifs_lp_stats));
err = ubifs_lpt_scan_nolock(c, c->main_first, c->leb_cnt - 1,
- (ubifs_lpt_scan_callback)scan_check_cb,
- &lst);
+ scan_check_cb, &lst);
if (err && err != -ENOSPC)
goto out;
--
GitLab
From 788cd161f99638db81b4c9ce836dbdf9a65c7701 Mon Sep 17 00:00:00 2001
From: Kunwu Chan <chentao@kylinos.cn>
Date: Thu, 11 Jan 2024 14:36:56 +0800
Subject: [PATCH 0662/2686] ubifs: Remove unreachable code in
dbg_check_ltab_lnum
Because there is no break statement in the dead loop above,it is
impossible to execute the 'err=0' statement.Delete the code that
will never execute.
Fixes: 6fb324a4b0c3 ("UBIFS: allocate ltab checking buffer on demand")
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Cc: Kunwu Chan <kunwu.chan@hotmail.com>
Suggested-by: Richard Weinberger <richard.weinberger@gmail.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/lpt_commit.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index c4d079328b929..07351fdce7223 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -1646,7 +1646,6 @@ static int dbg_check_ltab_lnum(struct ubifs_info *c, int lnum)
len -= node_len;
}
- err = 0;
out:
vfree(buf);
return err;
--
GitLab
From 7f174ae4f39e8475adcc09d26c5a43394689ad6c Mon Sep 17 00:00:00 2001
From: Zhang Yi <yi.zhang@huawei.com>
Date: Tue, 20 Feb 2024 10:49:03 +0800
Subject: [PATCH 0663/2686] ubi: correct the calculation of fastmap size
Now that the calculation of fastmap size in ubi_calc_fm_size() is
incorrect since it miss each user volume's ubi_fm_eba structure and the
Internal UBI volume info. Let's correct the calculation.
Cc: stable@vger.kernel.org
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/ubi/fastmap.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 2a728c31e6b85..9a4940874be5b 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -85,9 +85,10 @@ size_t ubi_calc_fm_size(struct ubi_device *ubi)
sizeof(struct ubi_fm_scan_pool) +
sizeof(struct ubi_fm_scan_pool) +
(ubi->peb_count * sizeof(struct ubi_fm_ec)) +
- (sizeof(struct ubi_fm_eba) +
- (ubi->peb_count * sizeof(__be32))) +
- sizeof(struct ubi_fm_volhdr) * UBI_MAX_VOLUMES;
+ ((sizeof(struct ubi_fm_eba) +
+ sizeof(struct ubi_fm_volhdr)) *
+ (UBI_MAX_VOLUMES + UBI_INT_VOL_COUNT)) +
+ (ubi->peb_count * sizeof(__be32));
return roundup(size, ubi->leb_size);
}
--
GitLab
From fbed4baed046a2815889810c396e333820b164b6 Mon Sep 17 00:00:00 2001
From: Guo Xuenan <guoxuenan@huawei.com>
Date: Sat, 13 Jan 2024 21:06:00 +0800
Subject: [PATCH 0664/2686] ubi: fix slab-out-of-bounds in
ubi_eba_get_ldesc+0xfb/0x130
When using the ioctl interface to resize a UBI volume, `ubi_resize_volume`
resizes the EBA table first but does not change `vol->reserved_pebs` in
the same atomic context, which may cause concurrent access to the EBA table.
For example, when a user shrinks UBI volume A by calling `ubi_resize_volume`,
while another thread is writing to volume B and triggering wear-leveling,
which may call `ubi_write_fastmap`, under these circumstances, KASAN may
report a slab-out-of-bounds error in `ubi_eba_get_ldesc+0xfb/0x130`.
This patch fixes race conditions in `ubi_resize_volume` and
`ubi_update_fastmap` to avoid out-of-bounds reads of `eba_tbl`. First,
it ensures that updates to `eba_tbl` and `reserved_pebs` are protected
by `vol->volumes_lock`. Second, it implements a rollback mechanism in case
of resize failure. It is also worth mentioning that for volume shrinkage
failures, since part of the volume has already been shrunk and unmapped,
there is no need to recover `{rsvd/avail}_pebs`.
==================================================================
BUG: KASAN: slab-out-of-bounds in ubi_eba_get_ldesc+0xfb/0x130 [ubi]
Read of size 4 at addr ffff88800f43f570 by task kworker/u16:0/7
CPU: 0 PID: 7 Comm: kworker/u16:0 Not tainted 5.16.0-rc7 #3
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
Workqueue: writeback wb_workfn (flush-ubifs_0_0)
Call Trace:
<TASK>
dump_stack_lvl+0x4d/0x66
print_address_description.constprop.0+0x41/0x60
kasan_report.cold+0x83/0xdf
ubi_eba_get_ldesc+0xfb/0x130 [ubi]
ubi_update_fastmap.cold+0x60f/0xc7d [ubi]
ubi_wl_get_peb+0x25b/0x4f0 [ubi]
try_write_vid_and_data+0x9a/0x4d0 [ubi]
ubi_eba_write_leb+0x7e4/0x17d0 [ubi]
ubi_leb_map+0x1a0/0x2c0 [ubi]
ubifs_leb_map+0x139/0x270 [ubifs]
ubifs_add_bud_to_log+0xb40/0xf30 [ubifs]
make_reservation+0x86e/0xb00 [ubifs]
ubifs_jnl_write_data+0x430/0x9d0 [ubifs]
do_writepage+0x1d1/0x550 [ubifs]
ubifs_writepage+0x37c/0x670 [ubifs]
__writepage+0x67/0x170
write_cache_pages+0x259/0xa90
do_writepages+0x277/0x5d0
__writeback_single_inode+0xb8/0x850
writeback_sb_inodes+0x4b3/0xb20
__writeback_inodes_wb+0xc1/0x220
wb_writeback+0x59f/0x740
wb_workfn+0x6d0/0xca0
process_one_work+0x711/0xfc0
worker_thread+0x95/0xd00
kthread+0x3a6/0x490
ret_from_fork+0x1f/0x30
</TASK>
Allocated by task 711:
kasan_save_stack+0x1e/0x50
__kasan_kmalloc+0x81/0xa0
ubi_eba_create_table+0x88/0x1a0 [ubi]
ubi_resize_volume.cold+0x175/0xae7 [ubi]
ubi_cdev_ioctl+0x57f/0x1a60 [ubi]
__x64_sys_ioctl+0x13a/0x1c0
do_syscall_64+0x35/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
Last potentially related work creation:
kasan_save_stack+0x1e/0x50
__kasan_record_aux_stack+0xb7/0xc0
call_rcu+0xd6/0x1000
blk_stat_free_callback+0x28/0x30
blk_release_queue+0x8a/0x2e0
kobject_put+0x186/0x4c0
scsi_device_dev_release_usercontext+0x620/0xbd0
execute_in_process_context+0x2f/0x120
device_release+0xa4/0x240
kobject_put+0x186/0x4c0
put_device+0x20/0x30
__scsi_remove_device+0x1c3/0x300
scsi_probe_and_add_lun+0x2140/0x2eb0
__scsi_scan_target+0x1f2/0xbb0
scsi_scan_channel+0x11b/0x1a0
scsi_scan_host_selected+0x24c/0x310
do_scsi_scan_host+0x1e0/0x250
do_scan_async+0x45/0x490
async_run_entry_fn+0xa2/0x530
process_one_work+0x711/0xfc0
worker_thread+0x95/0xd00
kthread+0x3a6/0x490
ret_from_fork+0x1f/0x30
The buggy address belongs to the object at ffff88800f43f500
which belongs to the cache kmalloc-128 of size 128
The buggy address is located 112 bytes inside of
128-byte region [ffff88800f43f500, ffff88800f43f580)
The buggy address belongs to the page:
page:ffffea00003d0f00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xf43c
head:ffffea00003d0f00 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x1fffff80010200(slab|head|node=0|zone=1|lastcpupid=0x1fffff)
raw: 001fffff80010200 ffffea000046ba08 ffffea0000457208 ffff88810004d1c0
raw: 0000000000000000 0000000000190019 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff88800f43f400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88800f43f480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> ffff88800f43f500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
^
ffff88800f43f580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88800f43f600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
The following steps can used to reproduce:
Process 1: write and trigger ubi wear-leveling
ubimkvol /dev/ubi0 -s 5000MiB -N v1
ubimkvol /dev/ubi0 -s 2000MiB -N v2
ubimkvol /dev/ubi0 -s 10MiB -N v3
mount -t ubifs /dev/ubi0_0 /mnt/ubifs
while true;
do
filename=/mnt/ubifs/$((RANDOM))
dd if=/dev/random of=${filename} bs=1M count=$((RANDOM % 1000))
rm -rf ${filename}
sync /mnt/ubifs/
done
Process 2: do random resize
struct ubi_rsvol_req req;
req.vol_id = 1;
req.bytes = (rand() % 50) * 512KB;
ioctl(fd, UBI_IOCRSVOL, &req);
V3:
- Fix the commit message error.
V2:
- Add volumes_lock in ubi_eba_copy_leb() to avoid race caused by
updating eba_tbl.
V1:
- Rebase the patch on the latest mainline.
Signed-off-by: Guo Xuenan <guoxuenan@huawei.com>
Signed-off-by: ZhaoLong Wang <wangzhaolong1@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/ubi/eba.c | 7 +++++++
drivers/mtd/ubi/vmt.c | 24 +++++++++++++++++-------
2 files changed, 24 insertions(+), 7 deletions(-)
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 8d1f0e05892c1..e5ac3cd0bbae6 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -1456,7 +1456,14 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to,
}
ubi_assert(vol->eba_tbl->entries[lnum].pnum == from);
+
+ /**
+ * The volumes_lock lock is needed here to prevent the expired old eba_tbl
+ * being updated when the eba_tbl is copied in the ubi_resize_volume() process.
+ */
+ spin_lock(&ubi->volumes_lock);
vol->eba_tbl->entries[lnum].pnum = to;
+ spin_unlock(&ubi->volumes_lock);
out_unlock_buf:
mutex_unlock(&ubi->buf_mutex);
diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index 2c867d16f89f7..97294def01eb4 100644
--- a/drivers/mtd/ubi/vmt.c
+++ b/drivers/mtd/ubi/vmt.c
@@ -408,6 +408,7 @@ int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs)
struct ubi_device *ubi = vol->ubi;
struct ubi_vtbl_record vtbl_rec;
struct ubi_eba_table *new_eba_tbl = NULL;
+ struct ubi_eba_table *old_eba_tbl = NULL;
int vol_id = vol->vol_id;
if (ubi->ro_mode)
@@ -453,10 +454,13 @@ int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs)
err = -ENOSPC;
goto out_free;
}
+
ubi->avail_pebs -= pebs;
ubi->rsvd_pebs += pebs;
ubi_eba_copy_table(vol, new_eba_tbl, vol->reserved_pebs);
- ubi_eba_replace_table(vol, new_eba_tbl);
+ old_eba_tbl = vol->eba_tbl;
+ vol->eba_tbl = new_eba_tbl;
+ vol->reserved_pebs = reserved_pebs;
spin_unlock(&ubi->volumes_lock);
}
@@ -471,7 +475,9 @@ int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs)
ubi->avail_pebs -= pebs;
ubi_update_reserved(ubi);
ubi_eba_copy_table(vol, new_eba_tbl, reserved_pebs);
- ubi_eba_replace_table(vol, new_eba_tbl);
+ old_eba_tbl = vol->eba_tbl;
+ vol->eba_tbl = new_eba_tbl;
+ vol->reserved_pebs = reserved_pebs;
spin_unlock(&ubi->volumes_lock);
}
@@ -493,7 +499,6 @@ int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs)
if (err)
goto out_acc;
- vol->reserved_pebs = reserved_pebs;
if (vol->vol_type == UBI_DYNAMIC_VOLUME) {
vol->used_ebs = reserved_pebs;
vol->last_eb_bytes = vol->usable_leb_size;
@@ -501,19 +506,24 @@ int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs)
(long long)vol->used_ebs * vol->usable_leb_size;
}
+ /* destroy old table */
+ ubi_eba_destroy_table(old_eba_tbl);
ubi_volume_notify(ubi, vol, UBI_VOLUME_RESIZED);
self_check_volumes(ubi);
return err;
out_acc:
+ spin_lock(&ubi->volumes_lock);
+ vol->reserved_pebs = reserved_pebs - pebs;
if (pebs > 0) {
- spin_lock(&ubi->volumes_lock);
ubi->rsvd_pebs -= pebs;
ubi->avail_pebs += pebs;
- spin_unlock(&ubi->volumes_lock);
+ ubi_eba_copy_table(vol, old_eba_tbl, vol->reserved_pebs);
+ } else {
+ ubi_eba_copy_table(vol, old_eba_tbl, reserved_pebs);
}
- return err;
-
+ vol->eba_tbl = old_eba_tbl;
+ spin_unlock(&ubi->volumes_lock);
out_free:
ubi_eba_destroy_table(new_eba_tbl);
return err;
--
GitLab
From 9277b3a64953c09e88a33adf59fb085e0a87d357 Mon Sep 17 00:00:00 2001
From: ZhaoLong Wang <wangzhaolong1@huawei.com>
Date: Sat, 13 Jan 2024 21:06:01 +0800
Subject: [PATCH 0665/2686] ubi: Correct the number of PEBs after a volume
resize failure
In the error handling path `out_acc` of `ubi_resize_volume()`,
when `pebs < 0`, it indicates that the volume table record failed to
update when the volume was shrunk. In this case, the number of `ubi->avail_pebs`
and `ubi->rsvd_pebs` should be restored to their previous values to prevent
the UBI layer from reporting an incorrect number of available PEBs.
Signed-off-by: ZhaoLong Wang <wangzhaolong1@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/ubi/vmt.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index 97294def01eb4..990571287e848 100644
--- a/drivers/mtd/ubi/vmt.c
+++ b/drivers/mtd/ubi/vmt.c
@@ -515,13 +515,12 @@ int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs)
out_acc:
spin_lock(&ubi->volumes_lock);
vol->reserved_pebs = reserved_pebs - pebs;
- if (pebs > 0) {
- ubi->rsvd_pebs -= pebs;
- ubi->avail_pebs += pebs;
+ ubi->rsvd_pebs -= pebs;
+ ubi->avail_pebs += pebs;
+ if (pebs > 0)
ubi_eba_copy_table(vol, old_eba_tbl, vol->reserved_pebs);
- } else {
+ else
ubi_eba_copy_table(vol, old_eba_tbl, reserved_pebs);
- }
vol->eba_tbl = old_eba_tbl;
spin_unlock(&ubi->volumes_lock);
out_free:
--
GitLab
From 31a9d5f3290c5483d41c6b5c8ebc0add130da770 Mon Sep 17 00:00:00 2001
From: Zhihao Cheng <chengzhihao1@huawei.com>
Date: Mon, 8 Jan 2024 10:41:04 +0800
Subject: [PATCH 0666/2686] ubifs: dbg_check_idx_size: Fix kmemleak if loading
znode failed
If function dbg_check_idx_size() failed by loading znode in mounting
process, there are two problems:
1. Allocated znodes won't be freed, which causes kmemleak in kernel:
ubifs_mount
dbg_check_idx_size
dbg_walk_index
c->zroot.znode = ubifs_load_znode
child = ubifs_load_znode // failed
// Loaded znodes won't be freed in error handling path.
2. Global variable ubifs_clean_zn_cnt is not decreased, because
ubifs_tnc_close() is not invoked in error handling path, which
triggers a warning in ubifs_exit():
WARNING: CPU: 1 PID: 1576 at fs/ubifs/super.c:2486 ubifs_exit
Modules linked in: zstd ubifs(-) ubi nandsim
CPU: 1 PID: 1576 Comm: rmmod Not tainted 6.7.0-rc6
Call Trace:
ubifs_exit+0xca/0xc70 [ubifs]
__do_sys_delete_module+0x29a/0x4a0
do_syscall_64+0x6f/0x140
Fix it by adding error handling path in dbg_check_idx_size() to release
tnc tree.
Fixes: 1e51764a3c2a ("UBIFS: add new flash file system")
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Suggested-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/debug.c | 9 +++++++--
fs/ubifs/tnc.c | 9 +--------
fs/ubifs/tnc_misc.c | 22 ++++++++++++++++++++++
fs/ubifs/ubifs.h | 1 +
4 files changed, 31 insertions(+), 10 deletions(-)
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index d013c5b3f1eda..ac77ac1fd73e3 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -1742,17 +1742,22 @@ int dbg_check_idx_size(struct ubifs_info *c, long long idx_size)
err = dbg_walk_index(c, NULL, add_size, &calc);
if (err) {
ubifs_err(c, "error %d while walking the index", err);
- return err;
+ goto out_err;
}
if (calc != idx_size) {
ubifs_err(c, "index size check failed: calculated size is %lld, should be %lld",
calc, idx_size);
dump_stack();
- return -EINVAL;
+ err = -EINVAL;
+ goto out_err;
}
return 0;
+
+out_err:
+ ubifs_destroy_tnc_tree(c);
+ return err;
}
/**
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index f4728e65d1bda..45cacdcd4746b 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -3116,14 +3116,7 @@ static void tnc_destroy_cnext(struct ubifs_info *c)
void ubifs_tnc_close(struct ubifs_info *c)
{
tnc_destroy_cnext(c);
- if (c->zroot.znode) {
- long n, freed;
-
- n = atomic_long_read(&c->clean_zn_cnt);
- freed = ubifs_destroy_tnc_subtree(c, c->zroot.znode);
- ubifs_assert(c, freed == n);
- atomic_long_sub(n, &ubifs_clean_zn_cnt);
- }
+ ubifs_destroy_tnc_tree(c);
kfree(c->gap_lebs);
kfree(c->ilebs);
destroy_old_idx(c);
diff --git a/fs/ubifs/tnc_misc.c b/fs/ubifs/tnc_misc.c
index 4d686e34e64d9..d3f8a6aa1f49d 100644
--- a/fs/ubifs/tnc_misc.c
+++ b/fs/ubifs/tnc_misc.c
@@ -250,6 +250,28 @@ long ubifs_destroy_tnc_subtree(const struct ubifs_info *c,
}
}
+/**
+ * ubifs_destroy_tnc_tree - destroy all znodes connected to the TNC tree.
+ * @c: UBIFS file-system description object
+ *
+ * This function destroys the whole TNC tree and updates clean global znode
+ * count.
+ */
+void ubifs_destroy_tnc_tree(struct ubifs_info *c)
+{
+ long n, freed;
+
+ if (!c->zroot.znode)
+ return;
+
+ n = atomic_long_read(&c->clean_zn_cnt);
+ freed = ubifs_destroy_tnc_subtree(c, c->zroot.znode);
+ ubifs_assert(c, freed == n);
+ atomic_long_sub(n, &ubifs_clean_zn_cnt);
+
+ c->zroot.znode = NULL;
+}
+
/**
* read_znode - read an indexing node from flash and fill znode.
* @c: UBIFS file-system description object
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 3916dc4f30caa..6eba287ae66c4 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -1903,6 +1903,7 @@ struct ubifs_znode *ubifs_tnc_postorder_next(const struct ubifs_info *c,
struct ubifs_znode *znode);
long ubifs_destroy_tnc_subtree(const struct ubifs_info *c,
struct ubifs_znode *zr);
+void ubifs_destroy_tnc_tree(struct ubifs_info *c);
struct ubifs_znode *ubifs_load_znode(struct ubifs_info *c,
struct ubifs_zbranch *zbr,
struct ubifs_znode *parent, int iip);
--
GitLab
From 6379b44cdcd67f5f5d986b73953e99700591edfa Mon Sep 17 00:00:00 2001
From: Zhihao Cheng <chengzhihao1@huawei.com>
Date: Mon, 8 Jan 2024 10:41:05 +0800
Subject: [PATCH 0667/2686] ubifs: ubifs_symlink: Fix memleak of inode->i_link
in error path
For error handling path in ubifs_symlink(), inode will be marked as
bad first, then iput() is invoked. If inode->i_link is initialized by
fscrypt_encrypt_symlink() in encryption scenario, inode->i_link won't
be freed by callchain ubifs_free_inode -> fscrypt_free_inode in error
handling path, because make_bad_inode() has changed 'inode->i_mode' as
'S_IFREG'.
Following kmemleak is easy to be reproduced by injecting error in
ubifs_jnl_update() when doing symlink in encryption scenario:
unreferenced object 0xffff888103da3d98 (size 8):
comm "ln", pid 1692, jiffies 4294914701 (age 12.045s)
backtrace:
kmemdup+0x32/0x70
__fscrypt_encrypt_symlink+0xed/0x1c0
ubifs_symlink+0x210/0x300 [ubifs]
vfs_symlink+0x216/0x360
do_symlinkat+0x11a/0x190
do_syscall_64+0x3b/0xe0
There are two ways fixing it:
1. Remove make_bad_inode() in error handling path. We can do that
because ubifs_evict_inode() will do same processes for good
symlink inode and bad symlink inode, for inode->i_nlink checking
is before is_bad_inode().
2. Free inode->i_link before marking inode bad.
Method 2 is picked, it has less influence, personally, I think.
Cc: stable@vger.kernel.org
Fixes: 2c58d548f570 ("fscrypt: cache decrypted symlink target in ->i_link")
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Suggested-by: Eric Biggers <ebiggers@kernel.org>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/dir.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index e413a9cf8ee38..6b3db00d9b121 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -1134,6 +1134,8 @@ static int ubifs_mknod(struct mnt_idmap *idmap, struct inode *dir,
dir_ui->ui_size = dir->i_size;
mutex_unlock(&dir_ui->ui_mutex);
out_inode:
+ /* Free inode->i_link before inode is marked as bad. */
+ fscrypt_free_inode(inode);
make_bad_inode(inode);
iput(inode);
out_fname:
--
GitLab
From 556c19f563b64dd5463b0030d19c8681f4f7446e Mon Sep 17 00:00:00 2001
From: Zhihao Cheng <chengzhihao1@huawei.com>
Date: Mon, 22 Jan 2024 14:31:03 +0800
Subject: [PATCH 0668/2686] ubifs: Queue up space reservation tasks if retrying
many times
Recently we catched ENOSPC returned by make_reservation() while doing
fsstress on UBIFS, we got following information when it occurred (See
details in Link):
UBIFS error (ubi0:0 pid 3640152): make_reservation [ubifs]: cannot
reserve 112 bytes in jhead 2, error -28
CPU: 2 PID: 3640152 Comm: kworker/u16:2 Tainted: G B W
Hardware name: Hisilicon PhosphorHi1230 EMU (DT)
Workqueue: writeback wb_workfn (flush-ubifs_0_0)
Call trace:
dump_stack+0x114/0x198
make_reservation+0x564/0x610 [ubifs]
ubifs_jnl_write_data+0x328/0x48c [ubifs]
do_writepage+0x2a8/0x3e4 [ubifs]
ubifs_writepage+0x16c/0x374 [ubifs]
generic_writepages+0xb4/0x114
do_writepages+0xcc/0x11c
writeback_sb_inodes+0x2d0/0x564
wb_writeback+0x20c/0x2b4
wb_workfn+0x404/0x510
process_one_work+0x304/0x4ac
worker_thread+0x31c/0x4e4
kthread+0x23c/0x290
Budgeting info: data budget sum 17576, total budget sum 17768
budg_data_growth 4144, budg_dd_growth 13432, budg_idx_growth 192
min_idx_lebs 13, old_idx_sz 988640, uncommitted_idx 0
page_budget 4144, inode_budget 160, dent_budget 312
nospace 0, nospace_rp 0
dark_wm 8192, dead_wm 4096, max_idx_node_sz 192
freeable_cnt 0, calc_idx_sz 988640, idx_gc_cnt 0
dirty_pg_cnt 4, dirty_zn_cnt 0, clean_zn_cnt 4811
gc_lnum 21, ihead_lnum 14
jhead 0 (GC) LEB 16
jhead 1 (base) LEB 34
jhead 2 (data) LEB 23
bud LEB 16
bud LEB 23
bud LEB 34
old bud LEB 33
old bud LEB 31
old bud LEB 15
commit state 4
Budgeting predictions:
available: 33832, outstanding 17576, free 15356
(pid 3640152) start dumping LEB properties
(pid 3640152) Lprops statistics: empty_lebs 3, idx_lebs 11
taken_empty_lebs 1, total_free 1253376, total_dirty 2445736
total_used 3438712, total_dark 65536, total_dead 17248
LEB 15 free 0 dirty 248000 used 5952 (taken)
LEB 16 free 110592 dirty 896 used 142464 (taken, jhead 0 (GC))
LEB 21 free 253952 dirty 0 used 0 (taken, GC LEB)
LEB 23 free 0 dirty 248104 used 5848 (taken, jhead 2 (data))
LEB 29 free 253952 dirty 0 used 0 (empty)
LEB 33 free 0 dirty 253952 used 0 (taken)
LEB 34 free 217088 dirty 36544 used 320 (taken, jhead 1 (base))
LEB 37 free 253952 dirty 0 used 0 (empty)
OTHERS: index lebs, zero-available non-index lebs
According to the budget algorithm, there are 5 LEBs reserved for budget:
three journal heads(16,23,34), 1 GC LEB(21) and 1 deletion LEB(can be
used in make_reservation()). There are 2 empty LEBs used for index nodes,
which is calculated as min_idx_lebs - idx_lebs = 2. In theory, LEB 15
and 33 should be reclaimed as free state after committing, but it is now
in taken state. After looking the realization of reserve_space(), there's
a possible situation:
LEB 15: free 2000 dirty 248000 used 3952 (jhead 2)
LEB 23: free 2000 dirty 248104 used 3848 (bud, taken)
LEB 33: free 2000 dirty 251952 used 0 (bud, taken)
wb_workfn wb_workfn_2
do_writepage // write 3000 bytes
ubifs_jnl_write_data
make_reservation
reserve_space
ubifs_garbage_collect
ubifs_find_dirty_leb // ret ENOSPC, dirty LEBs are taken
nospc_retries++ // 1
ubifs_run_commit
do_commit
LEB 15: free 2000 dirty 248000 used 3952 (jhead 2)
LEB 23: free 2000 dirty 248104 used 3848 (dirty)
LEB 33: free 2000 dirty 251952 used 0 (dirty)
do_writepage // write 2000 bytes for 3 times
ubifs_jnl_write_data
// grabs 15\23\33
LEB 15: free 0 dirty 248000 used 5952 (bud, taken)
LEB 23: free 0 dirty 248104 used 5848 (jhead 2)
LEB 33: free 0 dirty 253952 used 0 (bud, taken)
reserve_space
ubifs_garbage_collect
ubifs_find_dirty_leb // ret ENOSPC, dirty LEBs are taken
if (nospc_retries++ < 2) // false
ubifs_ro_mode !
Fetch a reproducer in Link.
The dirty LEBs could be grabbed by other threads, which fails finding dirty
LEBs of GC in current thread, so make_reservation() could try many times to
invoke GC&&committing, but current realization limits the times of retrying
as 'nospc_retries'(twice).
Fix it by adding a wait queue, start queuing up space reservation tasks
when someone task has retried gc + commit for many times. Then there is
only one task making space reservation at any time, and it can always make
success under the premise of correct budgeting.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218164
Fixes: 1e51764a3c2a ("UBIFS: add new flash file system")
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/journal.c | 171 +++++++++++++++++++++++++++++++++++++++------
fs/ubifs/super.c | 2 +
fs/ubifs/ubifs.h | 4 ++
3 files changed, 155 insertions(+), 22 deletions(-)
diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index f0a5538c84b0f..74aee92433d75 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -292,6 +292,96 @@ static int write_head(struct ubifs_info *c, int jhead, void *buf, int len,
return err;
}
+/**
+ * __queue_and_wait - queue a task and wait until the task is waked up.
+ * @c: UBIFS file-system description object
+ *
+ * This function adds current task in queue and waits until the task is waked
+ * up. This function should be called with @c->reserve_space_wq locked.
+ */
+static void __queue_and_wait(struct ubifs_info *c)
+{
+ DEFINE_WAIT(wait);
+
+ __add_wait_queue_entry_tail_exclusive(&c->reserve_space_wq, &wait);
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ spin_unlock(&c->reserve_space_wq.lock);
+
+ schedule();
+ finish_wait(&c->reserve_space_wq, &wait);
+}
+
+/**
+ * wait_for_reservation - try queuing current task to wait until waked up.
+ * @c: UBIFS file-system description object
+ *
+ * This function queues current task to wait until waked up, if queuing is
+ * started(@c->need_wait_space is not %0). Returns %true if current task is
+ * added in queue, otherwise %false is returned.
+ */
+static bool wait_for_reservation(struct ubifs_info *c)
+{
+ if (likely(atomic_read(&c->need_wait_space) == 0))
+ /* Quick path to check whether queuing is started. */
+ return false;
+
+ spin_lock(&c->reserve_space_wq.lock);
+ if (atomic_read(&c->need_wait_space) == 0) {
+ /* Queuing is not started, don't queue current task. */
+ spin_unlock(&c->reserve_space_wq.lock);
+ return false;
+ }
+
+ __queue_and_wait(c);
+ return true;
+}
+
+/**
+ * wake_up_reservation - wake up first task in queue or stop queuing.
+ * @c: UBIFS file-system description object
+ *
+ * This function wakes up the first task in queue if it exists, or stops
+ * queuing if no tasks in queue.
+ */
+static void wake_up_reservation(struct ubifs_info *c)
+{
+ spin_lock(&c->reserve_space_wq.lock);
+ if (waitqueue_active(&c->reserve_space_wq))
+ wake_up_locked(&c->reserve_space_wq);
+ else
+ /*
+ * Compared with wait_for_reservation(), set @c->need_wait_space
+ * under the protection of wait queue lock, which can avoid that
+ * @c->need_wait_space is set to 0 after new task queued.
+ */
+ atomic_set(&c->need_wait_space, 0);
+ spin_unlock(&c->reserve_space_wq.lock);
+}
+
+/**
+ * wake_up_reservation - add current task in queue or start queuing.
+ * @c: UBIFS file-system description object
+ *
+ * This function starts queuing if queuing is not started, otherwise adds
+ * current task in queue.
+ */
+static void add_or_start_queue(struct ubifs_info *c)
+{
+ spin_lock(&c->reserve_space_wq.lock);
+ if (atomic_cmpxchg(&c->need_wait_space, 0, 1) == 0) {
+ /* Starts queuing, task can go on directly. */
+ spin_unlock(&c->reserve_space_wq.lock);
+ return;
+ }
+
+ /*
+ * There are at least two tasks have retried more than 32 times
+ * at certain point, first task has started queuing, just queue
+ * the left tasks.
+ */
+ __queue_and_wait(c);
+}
+
/**
* make_reservation - reserve journal space.
* @c: UBIFS file-system description object
@@ -311,33 +401,27 @@ static int write_head(struct ubifs_info *c, int jhead, void *buf, int len,
static int make_reservation(struct ubifs_info *c, int jhead, int len)
{
int err, cmt_retries = 0, nospc_retries = 0;
+ bool blocked = wait_for_reservation(c);
again:
down_read(&c->commit_sem);
err = reserve_space(c, jhead, len);
- if (!err)
+ if (!err) {
/* c->commit_sem will get released via finish_reservation(). */
- return 0;
+ goto out_wake_up;
+ }
up_read(&c->commit_sem);
if (err == -ENOSPC) {
/*
* GC could not make any progress. We should try to commit
- * once because it could make some dirty space and GC would
- * make progress, so make the error -EAGAIN so that the below
+ * because it could make some dirty space and GC would make
+ * progress, so make the error -EAGAIN so that the below
* will commit and re-try.
*/
- if (nospc_retries++ < 2) {
- dbg_jnl("no space, retry");
- err = -EAGAIN;
- }
-
- /*
- * This means that the budgeting is incorrect. We always have
- * to be able to write to the media, because all operations are
- * budgeted. Deletions are not budgeted, though, but we reserve
- * an extra LEB for them.
- */
+ nospc_retries++;
+ dbg_jnl("no space, retry");
+ err = -EAGAIN;
}
if (err != -EAGAIN)
@@ -349,15 +433,37 @@ static int make_reservation(struct ubifs_info *c, int jhead, int len)
*/
if (cmt_retries > 128) {
/*
- * This should not happen unless the journal size limitations
- * are too tough.
+ * This should not happen unless:
+ * 1. The journal size limitations are too tough.
+ * 2. The budgeting is incorrect. We always have to be able to
+ * write to the media, because all operations are budgeted.
+ * Deletions are not budgeted, though, but we reserve an
+ * extra LEB for them.
*/
- ubifs_err(c, "stuck in space allocation");
+ ubifs_err(c, "stuck in space allocation, nospc_retries %d",
+ nospc_retries);
err = -ENOSPC;
goto out;
- } else if (cmt_retries > 32)
- ubifs_warn(c, "too many space allocation re-tries (%d)",
- cmt_retries);
+ } else if (cmt_retries > 32) {
+ /*
+ * It's almost impossible to happen, unless there are many tasks
+ * making reservation concurrently and someone task has retried
+ * gc + commit for many times, generated available space during
+ * this period are grabbed by other tasks.
+ * But if it happens, start queuing up all tasks that will make
+ * space reservation, then there is only one task making space
+ * reservation at any time, and it can always make success under
+ * the premise of correct budgeting.
+ */
+ ubifs_warn(c, "too many space allocation cmt_retries (%d) "
+ "nospc_retries (%d), start queuing tasks",
+ cmt_retries, nospc_retries);
+
+ if (!blocked) {
+ blocked = true;
+ add_or_start_queue(c);
+ }
+ }
dbg_jnl("-EAGAIN, commit and retry (retried %d times)",
cmt_retries);
@@ -365,7 +471,7 @@ static int make_reservation(struct ubifs_info *c, int jhead, int len)
err = ubifs_run_commit(c);
if (err)
- return err;
+ goto out_wake_up;
goto again;
out:
@@ -380,6 +486,27 @@ static int make_reservation(struct ubifs_info *c, int jhead, int len)
cmt_retries = dbg_check_lprops(c);
up_write(&c->commit_sem);
}
+out_wake_up:
+ if (blocked) {
+ /*
+ * Only tasks that have ever started queuing or ever been queued
+ * can wake up other queued tasks, which can make sure that
+ * there is only one task waked up to make space reservation.
+ * For example:
+ * task A task B task C
+ * make_reservation make_reservation
+ * reserve_space // 0
+ * wake_up_reservation
+ * atomic_cmpxchg // 0, start queuing
+ * reserve_space
+ * wait_for_reservation
+ * __queue_and_wait
+ * add_wait_queue
+ * if (blocked) // false
+ * // So that task C won't be waked up to race with task B
+ */
+ wake_up_reservation(c);
+ }
return err;
}
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 09e270d6ed025..571c9dc92b94a 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -2151,6 +2151,8 @@ static struct ubifs_info *alloc_ubifs_info(struct ubi_volume_desc *ubi)
mutex_init(&c->bu_mutex);
mutex_init(&c->write_reserve_mutex);
init_waitqueue_head(&c->cmt_wq);
+ init_waitqueue_head(&c->reserve_space_wq);
+ atomic_set(&c->need_wait_space, 0);
c->buds = RB_ROOT;
c->old_idx = RB_ROOT;
c->size_tree = RB_ROOT;
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 6eba287ae66c4..1f3ea879d93af 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -1047,6 +1047,8 @@ struct ubifs_debug_info;
* @bg_bud_bytes: number of bud bytes when background commit is initiated
* @old_buds: buds to be released after commit ends
* @max_bud_cnt: maximum number of buds
+ * @need_wait_space: Non %0 means space reservation tasks need to wait in queue
+ * @reserve_space_wq: wait queue to sleep on if @need_wait_space is not %0
*
* @commit_sem: synchronizes committer with other processes
* @cmt_state: commit state
@@ -1305,6 +1307,8 @@ struct ubifs_info {
long long bg_bud_bytes;
struct list_head old_buds;
int max_bud_cnt;
+ atomic_t need_wait_space;
+ wait_queue_head_t reserve_space_wq;
struct rw_semaphore commit_sem;
int cmt_state;
--
GitLab
From e17f38b736691de1cf9e842c748e2960341c9870 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Tue, 19 Dec 2023 02:32:00 +0000
Subject: [PATCH 0669/2686] dt-bindings: mtd: add basic bindings for UBI
Add basic bindings for UBI devices and volumes.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
.../bindings/mtd/partitions/linux,ubi.yaml | 65 +++++++++++++++++++
.../bindings/mtd/partitions/ubi-volume.yaml | 35 ++++++++++
2 files changed, 100 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
create mode 100644 Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
diff --git a/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml b/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
new file mode 100644
index 0000000000000..7084a1945b310
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/partitions/linux,ubi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Unsorted Block Images
+
+description: |
+ UBI ("Unsorted Block Images") is a volume management system for raw
+ flash devices which manages multiple logical volumes on a single
+ physical flash device and spreads the I/O load (i.e wear-leveling)
+ across the whole flash chip.
+
+maintainers:
+ - Daniel Golle <daniel@makrotopia.org>
+
+allOf:
+ - $ref: partition.yaml#
+
+properties:
+ compatible:
+ const: linux,ubi
+
+ volumes:
+ type: object
+ description: UBI Volumes
+
+ patternProperties:
+ "^ubi-volume-.*$":
+ $ref: /schemas/mtd/partitions/ubi-volume.yaml#
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ reg = <0x0 0x100000>;
+ label = "bootloader";
+ read-only;
+ };
+
+ partition@100000 {
+ reg = <0x100000 0x1ff00000>;
+ label = "ubi";
+ compatible = "linux,ubi";
+
+ volumes {
+ ubi-volume-caldata {
+ volid = <2>;
+ volname = "rf";
+ };
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml b/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
new file mode 100644
index 0000000000000..1e3f04dedc01d
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/partitions/ubi-volume.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: UBI volume
+
+description: |
+ This binding describes a single UBI volume. Volumes can be matches either
+ by their ID or their name, or both.
+
+maintainers:
+ - Daniel Golle <daniel@makrotopia.org>
+
+properties:
+ volid:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Match UBI volume ID
+
+ volname:
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ Match UBI volume ID
+
+anyOf:
+ - required:
+ - volid
+
+ - required:
+ - volname
+
+# This is a generic file other binding inherit from and extend
+additionalProperties: true
--
GitLab
From a1de28dd203176bb9cf62576a90d761aa57fe924 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Tue, 19 Dec 2023 02:32:11 +0000
Subject: [PATCH 0670/2686] dt-bindings: mtd: ubi-volume: allow UBI volumes to
provide NVMEM
UBI volumes may be used to contain NVMEM bits, typically device MAC
addresses or wireless radio calibration data.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
.../devicetree/bindings/mtd/partitions/linux,ubi.yaml | 10 ++++++++++
.../devicetree/bindings/mtd/partitions/ubi-volume.yaml | 5 +++++
2 files changed, 15 insertions(+)
diff --git a/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml b/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
index 7084a1945b310..27e1ac1f252e4 100644
--- a/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
+++ b/Documentation/devicetree/bindings/mtd/partitions/linux,ubi.yaml
@@ -59,6 +59,16 @@ examples:
ubi-volume-caldata {
volid = <2>;
volname = "rf";
+
+ nvmem-layout {
+ compatible = "fixed-layout";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ eeprom@0 {
+ reg = <0x0 0x1000>;
+ };
+ };
};
};
};
diff --git a/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml b/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
index 1e3f04dedc01d..19736b26056b2 100644
--- a/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
+++ b/Documentation/devicetree/bindings/mtd/partitions/ubi-volume.yaml
@@ -24,6 +24,11 @@ properties:
description:
Match UBI volume ID
+ nvmem-layout:
+ $ref: /schemas/nvmem/layouts/nvmem-layout.yaml#
+ description:
+ This container may reference an NVMEM layout parser.
+
anyOf:
- required:
- volid
--
GitLab
From 762d73cd930e3073e927b2ec0811519bde2c8fb4 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Tue, 19 Dec 2023 02:32:35 +0000
Subject: [PATCH 0671/2686] mtd: ubi: block: use notifier to create ubiblock
from parameter
Use UBI_VOLUME_ADDED notification to create ubiblock device specified
on kernel cmdline or module parameter.
This makes thing more simple and has the advantage that ubiblock devices
on volumes which are not present at the time the ubi module is probed
will still be created.
Suggested-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/ubi/block.c | 136 ++++++++++++++++++++--------------------
drivers/mtd/ubi/kapi.c | 54 +++++++++++-----
drivers/mtd/ubi/ubi.h | 1 +
3 files changed, 106 insertions(+), 85 deletions(-)
diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
index 654bd7372cd8c..b52ff32f624a3 100644
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
@@ -65,10 +65,10 @@ struct ubiblock_pdu {
};
/* Numbers of elements set in the @ubiblock_param array */
-static int ubiblock_devs __initdata;
+static int ubiblock_devs;
/* MTD devices specification parameters */
-static struct ubiblock_param ubiblock_param[UBIBLOCK_MAX_DEVICES] __initdata;
+static struct ubiblock_param ubiblock_param[UBIBLOCK_MAX_DEVICES];
struct ubiblock {
struct ubi_volume_desc *desc;
@@ -534,6 +534,70 @@ static int ubiblock_resize(struct ubi_volume_info *vi)
return 0;
}
+static bool
+match_volume_desc(struct ubi_volume_info *vi, const char *name, int ubi_num, int vol_id)
+{
+ int err, len, cur_ubi_num, cur_vol_id;
+
+ if (ubi_num == -1) {
+ /* No ubi num, name must be a vol device path */
+ err = ubi_get_num_by_path(name, &cur_ubi_num, &cur_vol_id);
+ if (err || vi->ubi_num != cur_ubi_num || vi->vol_id != cur_vol_id)
+ return false;
+
+ return true;
+ }
+
+ if (vol_id == -1) {
+ /* Got ubi_num, but no vol_id, name must be volume name */
+ if (vi->ubi_num != ubi_num)
+ return false;
+
+ len = strnlen(name, UBI_VOL_NAME_MAX + 1);
+ if (len < 1 || vi->name_len != len)
+ return false;
+
+ if (strcmp(name, vi->name))
+ return false;
+
+ return true;
+ }
+
+ if (vi->ubi_num != ubi_num)
+ return false;
+
+ if (vi->vol_id != vol_id)
+ return false;
+
+ return true;
+}
+
+static void
+ubiblock_create_from_param(struct ubi_volume_info *vi)
+{
+ int i, ret = 0;
+ struct ubiblock_param *p;
+
+ /*
+ * Iterate over ubiblock cmdline parameters. If a parameter matches the
+ * newly added volume create the ubiblock device for it.
+ */
+ for (i = 0; i < ubiblock_devs; i++) {
+ p = &ubiblock_param[i];
+
+ if (!match_volume_desc(vi, p->name, p->ubi_num, p->vol_id))
+ continue;
+
+ ret = ubiblock_create(vi);
+ if (ret) {
+ pr_err(
+ "UBI: block: can't add '%s' volume on ubi%d_%d, err=%d\n",
+ vi->name, p->ubi_num, p->vol_id, ret);
+ }
+ break;
+ }
+}
+
static int ubiblock_notify(struct notifier_block *nb,
unsigned long notification_type, void *ns_ptr)
{
@@ -541,10 +605,7 @@ static int ubiblock_notify(struct notifier_block *nb,
switch (notification_type) {
case UBI_VOLUME_ADDED:
- /*
- * We want to enforce explicit block device creation for
- * volumes, so when a volume is added we do nothing.
- */
+ ubiblock_create_from_param(&nt->vi);
break;
case UBI_VOLUME_REMOVED:
ubiblock_remove(&nt->vi);
@@ -570,56 +631,6 @@ static struct notifier_block ubiblock_notifier = {
.notifier_call = ubiblock_notify,
};
-static struct ubi_volume_desc * __init
-open_volume_desc(const char *name, int ubi_num, int vol_id)
-{
- if (ubi_num == -1)
- /* No ubi num, name must be a vol device path */
- return ubi_open_volume_path(name, UBI_READONLY);
- else if (vol_id == -1)
- /* No vol_id, must be vol_name */
- return ubi_open_volume_nm(ubi_num, name, UBI_READONLY);
- else
- return ubi_open_volume(ubi_num, vol_id, UBI_READONLY);
-}
-
-static void __init ubiblock_create_from_param(void)
-{
- int i, ret = 0;
- struct ubiblock_param *p;
- struct ubi_volume_desc *desc;
- struct ubi_volume_info vi;
-
- /*
- * If there is an error creating one of the ubiblocks, continue on to
- * create the following ubiblocks. This helps in a circumstance where
- * the kernel command-line specifies multiple block devices and some
- * may be broken, but we still want the working ones to come up.
- */
- for (i = 0; i < ubiblock_devs; i++) {
- p = &ubiblock_param[i];
-
- desc = open_volume_desc(p->name, p->ubi_num, p->vol_id);
- if (IS_ERR(desc)) {
- pr_err(
- "UBI: block: can't open volume on ubi%d_%d, err=%ld\n",
- p->ubi_num, p->vol_id, PTR_ERR(desc));
- continue;
- }
-
- ubi_get_volume_info(desc, &vi);
- ubi_close_volume(desc);
-
- ret = ubiblock_create(&vi);
- if (ret) {
- pr_err(
- "UBI: block: can't add '%s' volume on ubi%d_%d, err=%d\n",
- vi.name, p->ubi_num, p->vol_id, ret);
- continue;
- }
- }
-}
-
static void ubiblock_remove_all(void)
{
struct ubiblock *next;
@@ -645,18 +656,7 @@ int __init ubiblock_init(void)
if (ubiblock_major < 0)
return ubiblock_major;
- /*
- * Attach block devices from 'block=' module param.
- * Even if one block device in the param list fails to come up,
- * still allow the module to load and leave any others up.
- */
- ubiblock_create_from_param();
-
- /*
- * Block devices are only created upon user requests, so we ignore
- * existing volumes.
- */
- ret = ubi_register_volume_notifier(&ubiblock_notifier, 1);
+ ret = ubi_register_volume_notifier(&ubiblock_notifier, 0);
if (ret)
goto err_unreg;
return 0;
diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c
index 5db653eacbd45..fbf3a7fe2af79 100644
--- a/drivers/mtd/ubi/kapi.c
+++ b/drivers/mtd/ubi/kapi.c
@@ -279,6 +279,41 @@ struct ubi_volume_desc *ubi_open_volume_nm(int ubi_num, const char *name,
}
EXPORT_SYMBOL_GPL(ubi_open_volume_nm);
+/**
+ * ubi_get_num_by_path - get UBI device and volume number from device path
+ * @pathname: volume character device node path
+ * @ubi_num: pointer to UBI device number to be set
+ * @vol_id: pointer to UBI volume ID to be set
+ *
+ * Returns 0 on success and sets ubi_num and vol_id, returns error otherwise.
+ */
+int ubi_get_num_by_path(const char *pathname, int *ubi_num, int *vol_id)
+{
+ int error;
+ struct path path;
+ struct kstat stat;
+
+ error = kern_path(pathname, LOOKUP_FOLLOW, &path);
+ if (error)
+ return error;
+
+ error = vfs_getattr(&path, &stat, STATX_TYPE, AT_STATX_SYNC_AS_STAT);
+ path_put(&path);
+ if (error)
+ return error;
+
+ if (!S_ISCHR(stat.mode))
+ return -EINVAL;
+
+ *ubi_num = ubi_major2num(MAJOR(stat.rdev));
+ *vol_id = MINOR(stat.rdev) - 1;
+
+ if (*vol_id < 0 || *ubi_num < 0)
+ return -ENODEV;
+
+ return 0;
+}
+
/**
* ubi_open_volume_path - open UBI volume by its character device node path.
* @pathname: volume character device node path
@@ -290,32 +325,17 @@ EXPORT_SYMBOL_GPL(ubi_open_volume_nm);
struct ubi_volume_desc *ubi_open_volume_path(const char *pathname, int mode)
{
int error, ubi_num, vol_id;
- struct path path;
- struct kstat stat;
dbg_gen("open volume %s, mode %d", pathname, mode);
if (!pathname || !*pathname)
return ERR_PTR(-EINVAL);
- error = kern_path(pathname, LOOKUP_FOLLOW, &path);
- if (error)
- return ERR_PTR(error);
-
- error = vfs_getattr(&path, &stat, STATX_TYPE, AT_STATX_SYNC_AS_STAT);
- path_put(&path);
+ error = ubi_get_num_by_path(pathname, &ubi_num, &vol_id);
if (error)
return ERR_PTR(error);
- if (!S_ISCHR(stat.mode))
- return ERR_PTR(-EINVAL);
-
- ubi_num = ubi_major2num(MAJOR(stat.rdev));
- vol_id = MINOR(stat.rdev) - 1;
-
- if (vol_id >= 0 && ubi_num >= 0)
- return ubi_open_volume(ubi_num, vol_id, mode);
- return ERR_PTR(-ENODEV);
+ return ubi_open_volume(ubi_num, vol_id, mode);
}
EXPORT_SYMBOL_GPL(ubi_open_volume_path);
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index 0b42bb45dd840..a588381c50adc 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -955,6 +955,7 @@ void ubi_free_internal_volumes(struct ubi_device *ubi);
void ubi_do_get_device_info(struct ubi_device *ubi, struct ubi_device_info *di);
void ubi_do_get_volume_info(struct ubi_device *ubi, struct ubi_volume *vol,
struct ubi_volume_info *vi);
+int ubi_get_num_by_path(const char *pathname, int *ubi_num, int *vol_id);
/* scan.c */
int ubi_compare_lebs(struct ubi_device *ubi, const struct ubi_ainf_peb *aeb,
int pnum, const struct ubi_vid_hdr *vid_hdr);
--
GitLab
From 927c145208b04490fb40c5c88a1086b592bfac25 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Tue, 19 Dec 2023 02:33:14 +0000
Subject: [PATCH 0672/2686] mtd: ubi: attach from device tree
Introduce device tree compatible 'linux,ubi' and attach compatible MTD
devices using the MTD add notifier. This is needed for a UBI device to
be available early at boot (and not only after late_initcall), so
volumes on them can be used eg. as NVMEM providers for other drivers.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/ubi/build.c | 135 ++++++++++++++++++++++++++++------------
1 file changed, 96 insertions(+), 39 deletions(-)
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 7d4ff1193db6f..8c3f763e4ddb8 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -27,6 +27,7 @@
#include <linux/log2.h>
#include <linux/kthread.h>
#include <linux/kernel.h>
+#include <linux/of.h>
#include <linux/slab.h>
#include <linux/major.h>
#include "ubi.h"
@@ -1219,43 +1220,43 @@ static struct mtd_info * __init open_mtd_device(const char *mtd_dev)
return mtd;
}
-static int __init ubi_init(void)
+static void ubi_notify_add(struct mtd_info *mtd)
{
- int err, i, k;
+ struct device_node *np = mtd_get_of_node(mtd);
+ int err;
- /* Ensure that EC and VID headers have correct size */
- BUILD_BUG_ON(sizeof(struct ubi_ec_hdr) != 64);
- BUILD_BUG_ON(sizeof(struct ubi_vid_hdr) != 64);
+ if (!of_device_is_compatible(np, "linux,ubi"))
+ return;
- if (mtd_devs > UBI_MAX_DEVICES) {
- pr_err("UBI error: too many MTD devices, maximum is %d\n",
- UBI_MAX_DEVICES);
- return -EINVAL;
- }
+ /*
+ * we are already holding &mtd_table_mutex, but still need
+ * to bump refcount
+ */
+ err = __get_mtd_device(mtd);
+ if (err)
+ return;
- /* Create base sysfs directory and sysfs files */
- err = class_register(&ubi_class);
+ /* called while holding mtd_table_mutex */
+ mutex_lock_nested(&ubi_devices_mutex, SINGLE_DEPTH_NESTING);
+ err = ubi_attach_mtd_dev(mtd, UBI_DEV_NUM_AUTO, 0, 0, false, false);
+ mutex_unlock(&ubi_devices_mutex);
if (err < 0)
- return err;
-
- err = misc_register(&ubi_ctrl_cdev);
- if (err) {
- pr_err("UBI error: cannot register device\n");
- goto out;
- }
+ __put_mtd_device(mtd);
+}
- ubi_wl_entry_slab = kmem_cache_create("ubi_wl_entry_slab",
- sizeof(struct ubi_wl_entry),
- 0, 0, NULL);
- if (!ubi_wl_entry_slab) {
- err = -ENOMEM;
- goto out_dev_unreg;
- }
+static void ubi_notify_remove(struct mtd_info *mtd)
+{
+ /* do nothing for now */
+}
- err = ubi_debugfs_init();
- if (err)
- goto out_slab;
+static struct mtd_notifier ubi_mtd_notifier = {
+ .add = ubi_notify_add,
+ .remove = ubi_notify_remove,
+};
+static int __init ubi_init_attach(void)
+{
+ int err, i, k;
/* Attach MTD devices */
for (i = 0; i < mtd_devs; i++) {
@@ -1304,25 +1305,79 @@ static int __init ubi_init(void)
}
}
+ return 0;
+
+out_detach:
+ for (k = 0; k < i; k++)
+ if (ubi_devices[k]) {
+ mutex_lock(&ubi_devices_mutex);
+ ubi_detach_mtd_dev(ubi_devices[k]->ubi_num, 1);
+ mutex_unlock(&ubi_devices_mutex);
+ }
+ return err;
+}
+#ifndef CONFIG_MTD_UBI_MODULE
+late_initcall(ubi_init_attach);
+#endif
+
+static int __init ubi_init(void)
+{
+ int err;
+
+ /* Ensure that EC and VID headers have correct size */
+ BUILD_BUG_ON(sizeof(struct ubi_ec_hdr) != 64);
+ BUILD_BUG_ON(sizeof(struct ubi_vid_hdr) != 64);
+
+ if (mtd_devs > UBI_MAX_DEVICES) {
+ pr_err("UBI error: too many MTD devices, maximum is %d\n",
+ UBI_MAX_DEVICES);
+ return -EINVAL;
+ }
+
+ /* Create base sysfs directory and sysfs files */
+ err = class_register(&ubi_class);
+ if (err < 0)
+ return err;
+
+ err = misc_register(&ubi_ctrl_cdev);
+ if (err) {
+ pr_err("UBI error: cannot register device\n");
+ goto out;
+ }
+
+ ubi_wl_entry_slab = kmem_cache_create("ubi_wl_entry_slab",
+ sizeof(struct ubi_wl_entry),
+ 0, 0, NULL);
+ if (!ubi_wl_entry_slab) {
+ err = -ENOMEM;
+ goto out_dev_unreg;
+ }
+
+ err = ubi_debugfs_init();
+ if (err)
+ goto out_slab;
+
err = ubiblock_init();
if (err) {
pr_err("UBI error: block: cannot initialize, error %d\n", err);
/* See comment above re-ubi_is_module(). */
if (ubi_is_module())
- goto out_detach;
+ goto out_slab;
+ }
+
+ register_mtd_user(&ubi_mtd_notifier);
+
+ if (ubi_is_module()) {
+ err = ubi_init_attach();
+ if (err)
+ goto out_mtd_notifier;
}
return 0;
-out_detach:
- for (k = 0; k < i; k++)
- if (ubi_devices[k]) {
- mutex_lock(&ubi_devices_mutex);
- ubi_detach_mtd_dev(ubi_devices[k]->ubi_num, 1);
- mutex_unlock(&ubi_devices_mutex);
- }
- ubi_debugfs_exit();
+out_mtd_notifier:
+ unregister_mtd_user(&ubi_mtd_notifier);
out_slab:
kmem_cache_destroy(ubi_wl_entry_slab);
out_dev_unreg:
@@ -1332,13 +1387,15 @@ static int __init ubi_init(void)
pr_err("UBI error: cannot initialize UBI, error %d\n", err);
return err;
}
-late_initcall(ubi_init);
+device_initcall(ubi_init);
+
static void __exit ubi_exit(void)
{
int i;
ubiblock_exit();
+ unregister_mtd_user(&ubi_mtd_notifier);
for (i = 0; i < UBI_MAX_DEVICES; i++)
if (ubi_devices[i]) {
--
GitLab
From 7e84c961b2eb062d2f47037dcca52dcd1d3615b5 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Tue, 19 Dec 2023 02:33:24 +0000
Subject: [PATCH 0673/2686] mtd: ubi: introduce pre-removal notification for
UBI volumes
Introduce a new notification type UBI_VOLUME_SHUTDOWN to inform users
that a volume is just about to be removed.
This is needed because users (such as the NVMEM subsystem) expect that
at the time their removal function is called, the parenting device is
still available (for removal of sysfs nodes, for example, in case of
NVMEM which otherwise WARNs on volume removal).
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/ubi/build.c | 19 ++++++++++++++-----
drivers/mtd/ubi/kapi.c | 2 +-
drivers/mtd/ubi/ubi.h | 2 ++
drivers/mtd/ubi/vmt.c | 17 +++++++++++++++--
include/linux/mtd/ubi.h | 2 ++
5 files changed, 34 insertions(+), 8 deletions(-)
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 8c3f763e4ddb8..a7e3a6246c0e9 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -93,7 +93,7 @@ static struct ubi_device *ubi_devices[UBI_MAX_DEVICES];
/* Serializes UBI devices creations and removals */
DEFINE_MUTEX(ubi_devices_mutex);
-/* Protects @ubi_devices and @ubi->ref_count */
+/* Protects @ubi_devices, @ubi->ref_count and @ubi->is_dead */
static DEFINE_SPINLOCK(ubi_devices_lock);
/* "Show" method for files in '/<sysfs>/class/ubi/' */
@@ -261,6 +261,9 @@ struct ubi_device *ubi_get_device(int ubi_num)
spin_lock(&ubi_devices_lock);
ubi = ubi_devices[ubi_num];
+ if (ubi && ubi->is_dead)
+ ubi = NULL;
+
if (ubi) {
ubi_assert(ubi->ref_count >= 0);
ubi->ref_count += 1;
@@ -298,7 +301,7 @@ struct ubi_device *ubi_get_by_major(int major)
spin_lock(&ubi_devices_lock);
for (i = 0; i < UBI_MAX_DEVICES; i++) {
ubi = ubi_devices[i];
- if (ubi && MAJOR(ubi->cdev.dev) == major) {
+ if (ubi && !ubi->is_dead && MAJOR(ubi->cdev.dev) == major) {
ubi_assert(ubi->ref_count >= 0);
ubi->ref_count += 1;
get_device(&ubi->dev);
@@ -327,7 +330,7 @@ int ubi_major2num(int major)
for (i = 0; i < UBI_MAX_DEVICES; i++) {
struct ubi_device *ubi = ubi_devices[i];
- if (ubi && MAJOR(ubi->cdev.dev) == major) {
+ if (ubi && !ubi->is_dead && MAJOR(ubi->cdev.dev) == major) {
ubi_num = ubi->ubi_num;
break;
}
@@ -514,7 +517,7 @@ static void ubi_free_volumes_from(struct ubi_device *ubi, int from)
int i;
for (i = from; i < ubi->vtbl_slots + UBI_INT_VOL_COUNT; i++) {
- if (!ubi->volumes[i])
+ if (!ubi->volumes[i] || ubi->volumes[i]->is_dead)
continue;
ubi_eba_replace_table(ubi->volumes[i], NULL);
ubi_fastmap_destroy_checkmap(ubi->volumes[i]);
@@ -1099,7 +1102,6 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway)
return -EINVAL;
spin_lock(&ubi_devices_lock);
- put_device(&ubi->dev);
ubi->ref_count -= 1;
if (ubi->ref_count) {
if (!anyway) {
@@ -1110,6 +1112,13 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway)
ubi_err(ubi, "%s reference count %d, destroy anyway",
ubi->ubi_name, ubi->ref_count);
}
+ ubi->is_dead = true;
+ spin_unlock(&ubi_devices_lock);
+
+ ubi_notify_all(ubi, UBI_VOLUME_SHUTDOWN, NULL);
+
+ spin_lock(&ubi_devices_lock);
+ put_device(&ubi->dev);
ubi_devices[ubi_num] = NULL;
spin_unlock(&ubi_devices_lock);
diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c
index fbf3a7fe2af79..f1ea8677467fb 100644
--- a/drivers/mtd/ubi/kapi.c
+++ b/drivers/mtd/ubi/kapi.c
@@ -152,7 +152,7 @@ struct ubi_volume_desc *ubi_open_volume(int ubi_num, int vol_id, int mode)
spin_lock(&ubi->volumes_lock);
vol = ubi->volumes[vol_id];
- if (!vol)
+ if (!vol || vol->is_dead)
goto out_unlock;
err = -EBUSY;
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index a588381c50adc..32009a24869e7 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -337,6 +337,7 @@ struct ubi_volume {
int writers;
int exclusive;
int metaonly;
+ bool is_dead;
int reserved_pebs;
int vol_type;
@@ -561,6 +562,7 @@ struct ubi_device {
spinlock_t volumes_lock;
int ref_count;
int image_seq;
+ bool is_dead;
int rsvd_pebs;
int avail_pebs;
diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index 990571287e848..eaf8328f6fc38 100644
--- a/drivers/mtd/ubi/vmt.c
+++ b/drivers/mtd/ubi/vmt.c
@@ -59,7 +59,7 @@ static ssize_t vol_attribute_show(struct device *dev,
struct ubi_device *ubi = vol->ubi;
spin_lock(&ubi->volumes_lock);
- if (!ubi->volumes[vol->vol_id]) {
+ if (!ubi->volumes[vol->vol_id] || ubi->volumes[vol->vol_id]->is_dead) {
spin_unlock(&ubi->volumes_lock);
return -ENODEV;
}
@@ -189,7 +189,7 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
/* Ensure that the name is unique */
for (i = 0; i < ubi->vtbl_slots; i++)
- if (ubi->volumes[i] &&
+ if (ubi->volumes[i] && !ubi->volumes[i]->is_dead &&
ubi->volumes[i]->name_len == req->name_len &&
!strcmp(ubi->volumes[i]->name, req->name)) {
ubi_err(ubi, "volume \"%s\" exists (ID %d)",
@@ -352,6 +352,19 @@ int ubi_remove_volume(struct ubi_volume_desc *desc, int no_vtbl)
err = -EBUSY;
goto out_unlock;
}
+
+ /*
+ * Mark volume as dead at this point to prevent that anyone
+ * can take a reference to the volume from now on.
+ * This is necessary as we have to release the spinlock before
+ * calling ubi_volume_notify.
+ */
+ vol->is_dead = true;
+ spin_unlock(&ubi->volumes_lock);
+
+ ubi_volume_notify(ubi, vol, UBI_VOLUME_SHUTDOWN);
+
+ spin_lock(&ubi->volumes_lock);
ubi->volumes[vol_id] = NULL;
spin_unlock(&ubi->volumes_lock);
diff --git a/include/linux/mtd/ubi.h b/include/linux/mtd/ubi.h
index a529347fd75b2..562f92504f2b7 100644
--- a/include/linux/mtd/ubi.h
+++ b/include/linux/mtd/ubi.h
@@ -192,6 +192,7 @@ struct ubi_device_info {
* or a volume was removed)
* @UBI_VOLUME_RESIZED: a volume has been re-sized
* @UBI_VOLUME_RENAMED: a volume has been re-named
+ * @UBI_VOLUME_SHUTDOWN: a volume is going to removed, shutdown users
* @UBI_VOLUME_UPDATED: data has been written to a volume
*
* These constants define which type of event has happened when a volume
@@ -202,6 +203,7 @@ enum {
UBI_VOLUME_REMOVED,
UBI_VOLUME_RESIZED,
UBI_VOLUME_RENAMED,
+ UBI_VOLUME_SHUTDOWN,
UBI_VOLUME_UPDATED,
};
--
GitLab
From 51932f9fc4871619e93abf4de6f1282ec23d936c Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Tue, 19 Dec 2023 02:33:38 +0000
Subject: [PATCH 0674/2686] mtd: ubi: populate ubi volume fwnode
Look for the 'volumes' subnode of an MTD partition attached to a UBI
device and attach matching child nodes to UBI volumes.
This allows UBI volumes to be referenced in device tree, e.g. for use
as NVMEM providers.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/ubi/vmt.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index eaf8328f6fc38..5a3558bbb9035 100644
--- a/drivers/mtd/ubi/vmt.c
+++ b/drivers/mtd/ubi/vmt.c
@@ -124,6 +124,31 @@ static void vol_release(struct device *dev)
kfree(vol);
}
+static struct fwnode_handle *find_volume_fwnode(struct ubi_volume *vol)
+{
+ struct fwnode_handle *fw_vols, *fw_vol;
+ const char *volname;
+ u32 volid;
+
+ fw_vols = device_get_named_child_node(vol->dev.parent->parent, "volumes");
+ if (!fw_vols)
+ return NULL;
+
+ fwnode_for_each_child_node(fw_vols, fw_vol) {
+ if (!fwnode_property_read_string(fw_vol, "volname", &volname) &&
+ strncmp(volname, vol->name, vol->name_len))
+ continue;
+
+ if (!fwnode_property_read_u32(fw_vol, "volid", &volid) &&
+ vol->vol_id != volid)
+ continue;
+
+ return fw_vol;
+ }
+
+ return NULL;
+}
+
/**
* ubi_create_volume - create volume.
* @ubi: UBI device description object
@@ -223,6 +248,7 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
vol->name_len = req->name_len;
memcpy(vol->name, req->name, vol->name_len);
vol->ubi = ubi;
+ device_set_node(&vol->dev, find_volume_fwnode(vol));
/*
* Finish all pending erases because there may be some LEBs belonging
@@ -614,6 +640,7 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol)
vol->dev.class = &ubi_class;
vol->dev.groups = volume_dev_groups;
dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id);
+ device_set_node(&vol->dev, find_volume_fwnode(vol));
err = device_register(&vol->dev);
if (err) {
cdev_del(&vol->cdev);
--
GitLab
From 3ce485803da1b79b2692b6d0c2792829292ad838 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Tue, 19 Dec 2023 02:33:48 +0000
Subject: [PATCH 0675/2686] mtd: ubi: provide NVMEM layer over UBI volumes
In an ideal world we would like UBI to be used where ever possible on a
NAND chip. And with UBI support in ARM Trusted Firmware and U-Boot it
is possible to achieve an (almost-)all-UBI flash layout. Hence the need
for a way to also use UBI volumes to store board-level constants, such
as MAC addresses and calibration data of wireless interfaces.
Add UBI volume NVMEM driver module exposing UBI volumes as NVMEM
providers. Allow UBI devices to have a "volumes" firmware subnode with
volumes which may be compatible with "nvmem-cells".
Access to UBI volumes via the NVMEM interface at this point is
read-only, and it is slow, opening and closing the UBI volume for each
access due to limitations of the NVMEM provider API.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/ubi/Kconfig | 13 +++
drivers/mtd/ubi/Makefile | 1 +
drivers/mtd/ubi/nvmem.c | 188 +++++++++++++++++++++++++++++++++++++++
3 files changed, 202 insertions(+)
create mode 100644 drivers/mtd/ubi/nvmem.c
diff --git a/drivers/mtd/ubi/Kconfig b/drivers/mtd/ubi/Kconfig
index 7499a540121e8..e28a3af83c0eb 100644
--- a/drivers/mtd/ubi/Kconfig
+++ b/drivers/mtd/ubi/Kconfig
@@ -113,4 +113,17 @@ config MTD_UBI_FAULT_INJECTION
testing purposes.
If in doubt, say "N".
+
+config MTD_UBI_NVMEM
+ tristate "UBI virtual NVMEM"
+ default n
+ depends on NVMEM
+ help
+ This option enabled an additional driver exposing UBI volumes as NVMEM
+ providers, intended for platforms where UBI is part of the firmware
+ specification and used to store also e.g. MAC addresses or board-
+ specific Wi-Fi calibration data.
+
+ If in doubt, say "N".
+
endif # MTD_UBI
diff --git a/drivers/mtd/ubi/Makefile b/drivers/mtd/ubi/Makefile
index 543673605ca72..4b51aaf00d1a2 100644
--- a/drivers/mtd/ubi/Makefile
+++ b/drivers/mtd/ubi/Makefile
@@ -7,3 +7,4 @@ ubi-$(CONFIG_MTD_UBI_FASTMAP) += fastmap.o
ubi-$(CONFIG_MTD_UBI_BLOCK) += block.o
obj-$(CONFIG_MTD_UBI_GLUEBI) += gluebi.o
+obj-$(CONFIG_MTD_UBI_NVMEM) += nvmem.o
diff --git a/drivers/mtd/ubi/nvmem.c b/drivers/mtd/ubi/nvmem.c
new file mode 100644
index 0000000000000..b7a93c495d172
--- /dev/null
+++ b/drivers/mtd/ubi/nvmem.c
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2023 Daniel Golle <daniel@makrotopia.org>
+ */
+
+/* UBI NVMEM provider */
+#include "ubi.h"
+#include <linux/nvmem-provider.h>
+#include <asm/div64.h>
+
+/* List of all NVMEM devices */
+static LIST_HEAD(nvmem_devices);
+static DEFINE_MUTEX(devices_mutex);
+
+struct ubi_nvmem {
+ struct nvmem_device *nvmem;
+ int ubi_num;
+ int vol_id;
+ int usable_leb_size;
+ struct list_head list;
+};
+
+static int ubi_nvmem_reg_read(void *priv, unsigned int from,
+ void *val, size_t bytes)
+{
+ int err = 0, lnum = from, offs, bytes_left = bytes, to_read;
+ struct ubi_nvmem *unv = priv;
+ struct ubi_volume_desc *desc;
+
+ desc = ubi_open_volume(unv->ubi_num, unv->vol_id, UBI_READONLY);
+ if (IS_ERR(desc))
+ return PTR_ERR(desc);
+
+ offs = do_div(lnum, unv->usable_leb_size);
+ while (bytes_left) {
+ to_read = unv->usable_leb_size - offs;
+
+ if (to_read > bytes_left)
+ to_read = bytes_left;
+
+ err = ubi_read(desc, lnum, val, offs, to_read);
+ if (err)
+ break;
+
+ lnum += 1;
+ offs = 0;
+ bytes_left -= to_read;
+ val += to_read;
+ }
+ ubi_close_volume(desc);
+
+ if (err)
+ return err;
+
+ return bytes_left == 0 ? 0 : -EIO;
+}
+
+static int ubi_nvmem_add(struct ubi_volume_info *vi)
+{
+ struct device_node *np = dev_of_node(vi->dev);
+ struct nvmem_config config = {};
+ struct ubi_nvmem *unv;
+ int ret;
+
+ if (!np)
+ return 0;
+
+ if (!of_get_child_by_name(np, "nvmem-layout"))
+ return 0;
+
+ if (WARN_ON_ONCE(vi->usable_leb_size <= 0) ||
+ WARN_ON_ONCE(vi->size <= 0))
+ return -EINVAL;
+
+ unv = kzalloc(sizeof(struct ubi_nvmem), GFP_KERNEL);
+ if (!unv)
+ return -ENOMEM;
+
+ config.id = NVMEM_DEVID_NONE;
+ config.dev = vi->dev;
+ config.name = dev_name(vi->dev);
+ config.owner = THIS_MODULE;
+ config.priv = unv;
+ config.reg_read = ubi_nvmem_reg_read;
+ config.size = vi->usable_leb_size * vi->size;
+ config.word_size = 1;
+ config.stride = 1;
+ config.read_only = true;
+ config.root_only = true;
+ config.ignore_wp = true;
+ config.of_node = np;
+
+ unv->ubi_num = vi->ubi_num;
+ unv->vol_id = vi->vol_id;
+ unv->usable_leb_size = vi->usable_leb_size;
+ unv->nvmem = nvmem_register(&config);
+ if (IS_ERR(unv->nvmem)) {
+ ret = dev_err_probe(vi->dev, PTR_ERR(unv->nvmem),
+ "Failed to register NVMEM device\n");
+ kfree(unv);
+ return ret;
+ }
+
+ mutex_lock(&devices_mutex);
+ list_add_tail(&unv->list, &nvmem_devices);
+ mutex_unlock(&devices_mutex);
+
+ return 0;
+}
+
+static void ubi_nvmem_remove(struct ubi_volume_info *vi)
+{
+ struct ubi_nvmem *unv_c, *unv = NULL;
+
+ mutex_lock(&devices_mutex);
+ list_for_each_entry(unv_c, &nvmem_devices, list)
+ if (unv_c->ubi_num == vi->ubi_num && unv_c->vol_id == vi->vol_id) {
+ unv = unv_c;
+ break;
+ }
+
+ if (!unv) {
+ mutex_unlock(&devices_mutex);
+ return;
+ }
+
+ list_del(&unv->list);
+ mutex_unlock(&devices_mutex);
+ nvmem_unregister(unv->nvmem);
+ kfree(unv);
+}
+
+/**
+ * nvmem_notify - UBI notification handler.
+ * @nb: registered notifier block
+ * @l: notification type
+ * @ns_ptr: pointer to the &struct ubi_notification object
+ */
+static int nvmem_notify(struct notifier_block *nb, unsigned long l,
+ void *ns_ptr)
+{
+ struct ubi_notification *nt = ns_ptr;
+
+ switch (l) {
+ case UBI_VOLUME_RESIZED:
+ ubi_nvmem_remove(&nt->vi);
+ fallthrough;
+ case UBI_VOLUME_ADDED:
+ ubi_nvmem_add(&nt->vi);
+ break;
+ case UBI_VOLUME_SHUTDOWN:
+ ubi_nvmem_remove(&nt->vi);
+ break;
+ default:
+ break;
+ }
+ return NOTIFY_OK;
+}
+
+static struct notifier_block nvmem_notifier = {
+ .notifier_call = nvmem_notify,
+};
+
+static int __init ubi_nvmem_init(void)
+{
+ return ubi_register_volume_notifier(&nvmem_notifier, 0);
+}
+
+static void __exit ubi_nvmem_exit(void)
+{
+ struct ubi_nvmem *unv, *tmp;
+
+ mutex_lock(&devices_mutex);
+ list_for_each_entry_safe(unv, tmp, &nvmem_devices, list) {
+ nvmem_unregister(unv->nvmem);
+ list_del(&unv->list);
+ kfree(unv);
+ }
+ mutex_unlock(&devices_mutex);
+
+ ubi_unregister_volume_notifier(&nvmem_notifier);
+}
+
+module_init(ubi_nvmem_init);
+module_exit(ubi_nvmem_exit);
+MODULE_DESCRIPTION("NVMEM layer over UBI volumes");
+MODULE_AUTHOR("Daniel Golle");
+MODULE_LICENSE("GPL");
--
GitLab
From 0dc5b8abfa03e8720cb341699e3ece194058bb03 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Tue, 20 Feb 2024 08:22:13 +0100
Subject: [PATCH 0676/2686] interconnect: constify of_phandle_args in xlate
The xlate callbacks are supposed to translate of_phandle_args to proper
provider without modifying the of_phandle_args. Make the argument
pointer to const for code safety and readability.
Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Acked-by: Thierry Reding <treding@nvidia.com> # Tegra
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Alim Akhtar <alim.akhtar@samsung.com> # Samsung
Link: https://lore.kernel.org/r/20240220072213.35779-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
drivers/interconnect/core.c | 4 ++--
drivers/interconnect/qcom/icc-common.c | 3 ++-
drivers/interconnect/qcom/icc-common.h | 3 ++-
drivers/interconnect/samsung/exynos.c | 2 +-
drivers/memory/tegra/mc.c | 2 +-
drivers/memory/tegra/tegra124-emc.c | 2 +-
drivers/memory/tegra/tegra124.c | 2 +-
drivers/memory/tegra/tegra186-emc.c | 2 +-
drivers/memory/tegra/tegra20-emc.c | 2 +-
drivers/memory/tegra/tegra20.c | 2 +-
drivers/memory/tegra/tegra30-emc.c | 2 +-
drivers/memory/tegra/tegra30.c | 2 +-
include/linux/interconnect-provider.h | 11 ++++++-----
include/soc/tegra/mc.h | 7 ++++---
14 files changed, 25 insertions(+), 21 deletions(-)
diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
index 50bac2d79d9b5..5d1010cafed8d 100644
--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -343,7 +343,7 @@ EXPORT_SYMBOL_GPL(icc_std_aggregate);
* an array of icc nodes specified in the icc_onecell_data struct when
* registering the provider.
*/
-struct icc_node *of_icc_xlate_onecell(struct of_phandle_args *spec,
+struct icc_node *of_icc_xlate_onecell(const struct of_phandle_args *spec,
void *data)
{
struct icc_onecell_data *icc_data = data;
@@ -368,7 +368,7 @@ EXPORT_SYMBOL_GPL(of_icc_xlate_onecell);
* Returns a valid pointer to struct icc_node_data on success or ERR_PTR()
* on failure.
*/
-struct icc_node_data *of_icc_get_from_provider(struct of_phandle_args *spec)
+struct icc_node_data *of_icc_get_from_provider(const struct of_phandle_args *spec)
{
struct icc_node *node = ERR_PTR(-EPROBE_DEFER);
struct icc_node_data *data = NULL;
diff --git a/drivers/interconnect/qcom/icc-common.c b/drivers/interconnect/qcom/icc-common.c
index f27f4fdc45317..9b9ee113f1727 100644
--- a/drivers/interconnect/qcom/icc-common.c
+++ b/drivers/interconnect/qcom/icc-common.c
@@ -9,7 +9,8 @@
#include "icc-common.h"
-struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data)
+struct icc_node_data *qcom_icc_xlate_extended(const struct of_phandle_args *spec,
+ void *data)
{
struct icc_node_data *ndata;
struct icc_node *node;
diff --git a/drivers/interconnect/qcom/icc-common.h b/drivers/interconnect/qcom/icc-common.h
index 33bb2c38dff33..21c39b1639486 100644
--- a/drivers/interconnect/qcom/icc-common.h
+++ b/drivers/interconnect/qcom/icc-common.h
@@ -8,6 +8,7 @@
#include <linux/interconnect-provider.h>
-struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data);
+struct icc_node_data *qcom_icc_xlate_extended(const struct of_phandle_args *spec,
+ void *data);
#endif
diff --git a/drivers/interconnect/samsung/exynos.c b/drivers/interconnect/samsung/exynos.c
index 1ba14cb45d5a2..c9e5361e17c5b 100644
--- a/drivers/interconnect/samsung/exynos.c
+++ b/drivers/interconnect/samsung/exynos.c
@@ -82,7 +82,7 @@ static int exynos_generic_icc_set(struct icc_node *src, struct icc_node *dst)
return 0;
}
-static struct icc_node *exynos_generic_icc_xlate(struct of_phandle_args *spec,
+static struct icc_node *exynos_generic_icc_xlate(const struct of_phandle_args *spec,
void *data)
{
struct exynos_icc_priv *priv = data;
diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c
index a083921a8968b..224b488794e5b 100644
--- a/drivers/memory/tegra/mc.c
+++ b/drivers/memory/tegra/mc.c
@@ -755,7 +755,7 @@ const char *const tegra_mc_error_names[8] = {
[6] = "SMMU translation error",
};
-struct icc_node *tegra_mc_icc_xlate(struct of_phandle_args *spec, void *data)
+struct icc_node *tegra_mc_icc_xlate(const struct of_phandle_args *spec, void *data)
{
struct tegra_mc *mc = icc_provider_to_tegra_mc(data);
struct icc_node *node;
diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c
index 00ed2b6a0d1b2..47c0c19e13fd5 100644
--- a/drivers/memory/tegra/tegra124-emc.c
+++ b/drivers/memory/tegra/tegra124-emc.c
@@ -1285,7 +1285,7 @@ to_tegra_emc_provider(struct icc_provider *provider)
}
static struct icc_node_data *
-emc_of_icc_xlate_extended(struct of_phandle_args *spec, void *data)
+emc_of_icc_xlate_extended(const struct of_phandle_args *spec, void *data)
{
struct icc_provider *provider = data;
struct icc_node_data *ndata;
diff --git a/drivers/memory/tegra/tegra124.c b/drivers/memory/tegra/tegra124.c
index 470b7dbab2c2f..9d7393e19f125 100644
--- a/drivers/memory/tegra/tegra124.c
+++ b/drivers/memory/tegra/tegra124.c
@@ -1170,7 +1170,7 @@ static int tegra124_mc_icc_aggreate(struct icc_node *node, u32 tag, u32 avg_bw,
}
static struct icc_node_data *
-tegra124_mc_of_icc_xlate_extended(struct of_phandle_args *spec, void *data)
+tegra124_mc_of_icc_xlate_extended(const struct of_phandle_args *spec, void *data)
{
struct tegra_mc *mc = icc_provider_to_tegra_mc(data);
const struct tegra_mc_client *client;
diff --git a/drivers/memory/tegra/tegra186-emc.c b/drivers/memory/tegra/tegra186-emc.c
index fcd4aea48bda9..57d9ae12fcfe1 100644
--- a/drivers/memory/tegra/tegra186-emc.c
+++ b/drivers/memory/tegra/tegra186-emc.c
@@ -236,7 +236,7 @@ static int tegra_emc_icc_set_bw(struct icc_node *src, struct icc_node *dst)
}
static struct icc_node *
-tegra_emc_of_icc_xlate(struct of_phandle_args *spec, void *data)
+tegra_emc_of_icc_xlate(const struct of_phandle_args *spec, void *data)
{
struct icc_provider *provider = data;
struct icc_node *node;
diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c
index fd595c851a278..97cf59523b0b1 100644
--- a/drivers/memory/tegra/tegra20-emc.c
+++ b/drivers/memory/tegra/tegra20-emc.c
@@ -950,7 +950,7 @@ to_tegra_emc_provider(struct icc_provider *provider)
}
static struct icc_node_data *
-emc_of_icc_xlate_extended(struct of_phandle_args *spec, void *data)
+emc_of_icc_xlate_extended(const struct of_phandle_args *spec, void *data)
{
struct icc_provider *provider = data;
struct icc_node_data *ndata;
diff --git a/drivers/memory/tegra/tegra20.c b/drivers/memory/tegra/tegra20.c
index aa4b97d5e7323..a3022e715deef 100644
--- a/drivers/memory/tegra/tegra20.c
+++ b/drivers/memory/tegra/tegra20.c
@@ -390,7 +390,7 @@ static int tegra20_mc_icc_aggreate(struct icc_node *node, u32 tag, u32 avg_bw,
}
static struct icc_node_data *
-tegra20_mc_of_icc_xlate_extended(struct of_phandle_args *spec, void *data)
+tegra20_mc_of_icc_xlate_extended(const struct of_phandle_args *spec, void *data)
{
struct tegra_mc *mc = icc_provider_to_tegra_mc(data);
unsigned int i, idx = spec->args[0];
diff --git a/drivers/memory/tegra/tegra30-emc.c b/drivers/memory/tegra/tegra30-emc.c
index 9eae25c57ec6e..d7b0a23c2d7db 100644
--- a/drivers/memory/tegra/tegra30-emc.c
+++ b/drivers/memory/tegra/tegra30-emc.c
@@ -1468,7 +1468,7 @@ to_tegra_emc_provider(struct icc_provider *provider)
}
static struct icc_node_data *
-emc_of_icc_xlate_extended(struct of_phandle_args *spec, void *data)
+emc_of_icc_xlate_extended(const struct of_phandle_args *spec, void *data)
{
struct icc_provider *provider = data;
struct icc_node_data *ndata;
diff --git a/drivers/memory/tegra/tegra30.c b/drivers/memory/tegra/tegra30.c
index 06f8b35e0a149..d3e685c8431ff 100644
--- a/drivers/memory/tegra/tegra30.c
+++ b/drivers/memory/tegra/tegra30.c
@@ -1332,7 +1332,7 @@ static int tegra30_mc_icc_aggreate(struct icc_node *node, u32 tag, u32 avg_bw,
}
static struct icc_node_data *
-tegra30_mc_of_icc_xlate_extended(struct of_phandle_args *spec, void *data)
+tegra30_mc_of_icc_xlate_extended(const struct of_phandle_args *spec, void *data)
{
struct tegra_mc *mc = icc_provider_to_tegra_mc(data);
const struct tegra_mc_client *client;
diff --git a/include/linux/interconnect-provider.h b/include/linux/interconnect-provider.h
index 7ba183f221f18..f5aef87846921 100644
--- a/include/linux/interconnect-provider.h
+++ b/include/linux/interconnect-provider.h
@@ -36,7 +36,7 @@ struct icc_onecell_data {
struct icc_node *nodes[] __counted_by(num_nodes);
};
-struct icc_node *of_icc_xlate_onecell(struct of_phandle_args *spec,
+struct icc_node *of_icc_xlate_onecell(const struct of_phandle_args *spec,
void *data);
/**
@@ -65,8 +65,9 @@ struct icc_provider {
u32 peak_bw, u32 *agg_avg, u32 *agg_peak);
void (*pre_aggregate)(struct icc_node *node);
int (*get_bw)(struct icc_node *node, u32 *avg, u32 *peak);
- struct icc_node* (*xlate)(struct of_phandle_args *spec, void *data);
- struct icc_node_data* (*xlate_extended)(struct of_phandle_args *spec, void *data);
+ struct icc_node* (*xlate)(const struct of_phandle_args *spec, void *data);
+ struct icc_node_data* (*xlate_extended)(const struct of_phandle_args *spec,
+ void *data);
struct device *dev;
int users;
bool inter_set;
@@ -124,7 +125,7 @@ int icc_nodes_remove(struct icc_provider *provider);
void icc_provider_init(struct icc_provider *provider);
int icc_provider_register(struct icc_provider *provider);
void icc_provider_deregister(struct icc_provider *provider);
-struct icc_node_data *of_icc_get_from_provider(struct of_phandle_args *spec);
+struct icc_node_data *of_icc_get_from_provider(const struct of_phandle_args *spec);
void icc_sync_state(struct device *dev);
#else
@@ -171,7 +172,7 @@ static inline int icc_provider_register(struct icc_provider *provider)
static inline void icc_provider_deregister(struct icc_provider *provider) { }
-static inline struct icc_node_data *of_icc_get_from_provider(struct of_phandle_args *spec)
+static inline struct icc_node_data *of_icc_get_from_provider(const struct of_phandle_args *spec)
{
return ERR_PTR(-ENOTSUPP);
}
diff --git a/include/soc/tegra/mc.h b/include/soc/tegra/mc.h
index af1d73a7f0cd1..6ee4c59db6201 100644
--- a/include/soc/tegra/mc.h
+++ b/include/soc/tegra/mc.h
@@ -146,13 +146,14 @@ struct tegra_mc_icc_ops {
int (*set)(struct icc_node *src, struct icc_node *dst);
int (*aggregate)(struct icc_node *node, u32 tag, u32 avg_bw,
u32 peak_bw, u32 *agg_avg, u32 *agg_peak);
- struct icc_node* (*xlate)(struct of_phandle_args *spec, void *data);
- struct icc_node_data *(*xlate_extended)(struct of_phandle_args *spec,
+ struct icc_node* (*xlate)(const struct of_phandle_args *spec, void *data);
+ struct icc_node_data *(*xlate_extended)(const struct of_phandle_args *spec,
void *data);
int (*get_bw)(struct icc_node *node, u32 *avg, u32 *peak);
};
-struct icc_node *tegra_mc_icc_xlate(struct of_phandle_args *spec, void *data);
+struct icc_node *tegra_mc_icc_xlate(const struct of_phandle_args *spec,
+ void *data);
extern const struct tegra_mc_icc_ops tegra_mc_icc_ops;
struct tegra_mc_ops {
--
GitLab
From a75e0684efe567ae5f6a8e91a8360c4c1773cf3a Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Fri, 26 Jan 2024 15:55:55 +0200
Subject: [PATCH 0677/2686] thunderbolt: Keep the domain powered when USB4 port
is in redrive mode
If a DiplayPort cable is directly connected to the host routers USB4
port, there is no tunnel involved but the port is in "redrive" mode
meaning that it is re-driving the DisplayPort signals from its
DisplayPort source. In this case we need to keep the domain powered on
otherwise once the domain enters D3cold the connected monitor blanks
too.
Since this happens only on Intel Barlow Ridge add a quirk that takes
runtime PM reference if we detect that the USB4 port entered redrive
mode (and release it once it exits the mode).
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/quirks.c | 14 +++++++++++
drivers/thunderbolt/tb.c | 49 +++++++++++++++++++++++++++++++++++-
drivers/thunderbolt/tb.h | 4 +++
3 files changed, 66 insertions(+), 1 deletion(-)
diff --git a/drivers/thunderbolt/quirks.c b/drivers/thunderbolt/quirks.c
index e6bfa63b40aee..e81de9c30eac9 100644
--- a/drivers/thunderbolt/quirks.c
+++ b/drivers/thunderbolt/quirks.c
@@ -43,6 +43,12 @@ static void quirk_usb3_maximum_bandwidth(struct tb_switch *sw)
}
}
+static void quirk_block_rpm_in_redrive(struct tb_switch *sw)
+{
+ sw->quirks |= QUIRK_KEEP_POWER_IN_DP_REDRIVE;
+ tb_sw_dbg(sw, "preventing runtime PM in DP redrive mode\n");
+}
+
struct tb_quirk {
u16 hw_vendor_id;
u16 hw_device_id;
@@ -86,6 +92,14 @@ static const struct tb_quirk tb_quirks[] = {
quirk_usb3_maximum_bandwidth },
{ 0x8087, PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HUB_40G_BRIDGE, 0x0000, 0x0000,
quirk_usb3_maximum_bandwidth },
+ /*
+ * Block Runtime PM in DP redrive mode for Intel Barlow Ridge host
+ * controllers.
+ */
+ { 0x8087, PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HOST_80G_NHI, 0x0000, 0x0000,
+ quirk_block_rpm_in_redrive },
+ { 0x8087, PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HOST_40G_NHI, 0x0000, 0x0000,
+ quirk_block_rpm_in_redrive },
/*
* CLx is not supported on AMD USB4 Yellow Carp and Pink Sardine platforms.
*/
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 306c62c35a058..c5ce7a694b27d 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -1973,6 +1973,49 @@ static void tb_tunnel_dp(struct tb *tb)
tb_dbg(tb, "no suitable DP IN adapter available, not tunneling\n");
}
+static void tb_enter_redrive(struct tb_port *port)
+{
+ struct tb_switch *sw = port->sw;
+
+ if (!(sw->quirks & QUIRK_KEEP_POWER_IN_DP_REDRIVE))
+ return;
+
+ /*
+ * If we get hot-unplug for the DP IN port of the host router
+ * and the DP resource is not available anymore it means there
+ * is a monitor connected directly to the Type-C port and we are
+ * in "redrive" mode. For this to work we cannot enter RTD3 so
+ * we bump up the runtime PM reference count here.
+ */
+ if (!tb_port_is_dpin(port))
+ return;
+ if (tb_route(sw))
+ return;
+ if (!tb_switch_query_dp_resource(sw, port)) {
+ port->redrive = true;
+ pm_runtime_get(&sw->dev);
+ tb_port_dbg(port, "enter redrive mode, keeping powered\n");
+ }
+}
+
+static void tb_exit_redrive(struct tb_port *port)
+{
+ struct tb_switch *sw = port->sw;
+
+ if (!(sw->quirks & QUIRK_KEEP_POWER_IN_DP_REDRIVE))
+ return;
+
+ if (!tb_port_is_dpin(port))
+ return;
+ if (tb_route(sw))
+ return;
+ if (port->redrive && tb_switch_query_dp_resource(sw, port)) {
+ port->redrive = false;
+ pm_runtime_put(&sw->dev);
+ tb_port_dbg(port, "exit redrive mode\n");
+ }
+}
+
static void tb_dp_resource_unavailable(struct tb *tb, struct tb_port *port)
{
struct tb_port *in, *out;
@@ -1989,7 +2032,10 @@ static void tb_dp_resource_unavailable(struct tb *tb, struct tb_port *port)
}
tunnel = tb_find_tunnel(tb, TB_TUNNEL_DP, in, out);
- tb_deactivate_and_free_tunnel(tunnel);
+ if (tunnel)
+ tb_deactivate_and_free_tunnel(tunnel);
+ else
+ tb_enter_redrive(port);
list_del_init(&port->list);
/*
@@ -2016,6 +2062,7 @@ static void tb_dp_resource_available(struct tb *tb, struct tb_port *port)
tb_port_dbg(port, "DP %s resource available after hotplug\n",
tb_port_is_dpin(port) ? "IN" : "OUT");
list_add_tail(&port->list, &tcm->dp_resources);
+ tb_exit_redrive(port);
/* Look for suitable DP IN <-> DP OUT pairs now */
tb_tunnel_dp(tb);
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 1bbbeb034e0ec..8e87d1a0005c7 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -23,6 +23,8 @@
#define QUIRK_FORCE_POWER_LINK_CONTROLLER BIT(0)
/* Disable CLx if not supported */
#define QUIRK_NO_CLX BIT(1)
+/* Need to keep power on while USB4 port is in redrive mode */
+#define QUIRK_KEEP_POWER_IN_DP_REDRIVE BIT(2)
/**
* struct tb_nvm - Structure holding NVM information
@@ -265,6 +267,7 @@ struct tb_bandwidth_group {
* @group_list: The adapter is linked to the group's list of ports through this
* @max_bw: Maximum possible bandwidth through this adapter if set to
* non-zero.
+ * @redrive: For DP IN, if true the adapter is in redrive mode.
*
* In USB4 terminology this structure represents an adapter (protocol or
* lane adapter).
@@ -293,6 +296,7 @@ struct tb_port {
struct tb_bandwidth_group *group;
struct list_head group_list;
unsigned int max_bw;
+ bool redrive;
};
/**
--
GitLab
From a0c45b0b6ce23bc1cd6737ecd34df6c4a422a3ae Mon Sep 17 00:00:00 2001
From: Gil Fine <gil.fine@linux.intel.com>
Date: Mon, 13 Feb 2023 00:45:21 +0200
Subject: [PATCH 0678/2686] thunderbolt: Add trace events support for the
control channel
Sometimes it is useful to see the traffic happening inside the control
channel, especially when debugging a possible problem. This adds
tracepoints close to the hardware which can be enabled dynamically as
needed using the standard Linux trace events facility.
Signed-off-by: Gil Fine <gil.fine@linux.intel.com>
Co-developed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/Makefile | 1 +
drivers/thunderbolt/ctl.c | 19 +++-
drivers/thunderbolt/ctl.h | 4 +-
drivers/thunderbolt/domain.c | 2 +-
drivers/thunderbolt/trace.h | 188 +++++++++++++++++++++++++++++++++++
5 files changed, 209 insertions(+), 5 deletions(-)
create mode 100644 drivers/thunderbolt/trace.h
diff --git a/drivers/thunderbolt/Makefile b/drivers/thunderbolt/Makefile
index c8b3d7b780982..b44b32dcb8322 100644
--- a/drivers/thunderbolt/Makefile
+++ b/drivers/thunderbolt/Makefile
@@ -1,4 +1,5 @@
# SPDX-License-Identifier: GPL-2.0-only
+ccflags-y := -I$(src)
obj-${CONFIG_USB4} := thunderbolt.o
thunderbolt-objs := nhi.o nhi_ops.o ctl.o tb.o switch.o cap.o path.o tunnel.o eeprom.o
thunderbolt-objs += domain.o dma_port.o icm.o property.o xdomain.o lc.o tmu.o usb4.o
diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index d997a4c545f79..4bdb2d45e0bff 100644
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -15,6 +15,8 @@
#include "ctl.h"
+#define CREATE_TRACE_POINTS
+#include "trace.h"
#define TB_CTL_RX_PKG_COUNT 10
#define TB_CTL_RETRIES 4
@@ -32,6 +34,7 @@
* @timeout_msec: Default timeout for non-raw control messages
* @callback: Callback called when hotplug message is received
* @callback_data: Data passed to @callback
+ * @index: Domain number. This will be output with the trace record.
*/
struct tb_ctl {
struct tb_nhi *nhi;
@@ -47,6 +50,8 @@ struct tb_ctl {
int timeout_msec;
event_cb callback;
void *callback_data;
+
+ int index;
};
@@ -369,6 +374,9 @@ static int tb_ctl_tx(struct tb_ctl *ctl, const void *data, size_t len,
pkg->frame.size = len + 4;
pkg->frame.sof = type;
pkg->frame.eof = type;
+
+ trace_tb_tx(ctl->index, type, data, len);
+
cpu_to_be32_array(pkg->buffer, data, len / 4);
*(__be32 *) (pkg->buffer + len) = tb_crc(pkg->buffer, len);
@@ -384,6 +392,7 @@ static int tb_ctl_tx(struct tb_ctl *ctl, const void *data, size_t len,
static bool tb_ctl_handle_event(struct tb_ctl *ctl, enum tb_cfg_pkg_type type,
struct ctl_pkg *pkg, size_t size)
{
+ trace_tb_event(ctl->index, type, pkg->buffer, size);
return ctl->callback(ctl->callback_data, type, pkg->buffer, size);
}
@@ -489,6 +498,9 @@ static void tb_ctl_rx_callback(struct tb_ring *ring, struct ring_frame *frame,
* triggered from messing with the active requests.
*/
req = tb_cfg_request_find(pkg->ctl, pkg);
+
+ trace_tb_rx(pkg->ctl->index, frame->eof, pkg->buffer, frame->size, !req);
+
if (req) {
if (req->copy(req, pkg))
schedule_work(&req->work);
@@ -614,6 +626,7 @@ struct tb_cfg_result tb_cfg_request_sync(struct tb_ctl *ctl,
/**
* tb_ctl_alloc() - allocate a control channel
* @nhi: Pointer to NHI
+ * @index: Domain number
* @timeout_msec: Default timeout used with non-raw control messages
* @cb: Callback called for plug events
* @cb_data: Data passed to @cb
@@ -622,14 +635,16 @@ struct tb_cfg_result tb_cfg_request_sync(struct tb_ctl *ctl,
*
* Return: Returns a pointer on success or NULL on failure.
*/
-struct tb_ctl *tb_ctl_alloc(struct tb_nhi *nhi, int timeout_msec, event_cb cb,
- void *cb_data)
+struct tb_ctl *tb_ctl_alloc(struct tb_nhi *nhi, int index, int timeout_msec,
+ event_cb cb, void *cb_data)
{
int i;
struct tb_ctl *ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
if (!ctl)
return NULL;
+
ctl->nhi = nhi;
+ ctl->index = index;
ctl->timeout_msec = timeout_msec;
ctl->callback = cb;
ctl->callback_data = cb_data;
diff --git a/drivers/thunderbolt/ctl.h b/drivers/thunderbolt/ctl.h
index eec5c953c743c..bf930a1914723 100644
--- a/drivers/thunderbolt/ctl.h
+++ b/drivers/thunderbolt/ctl.h
@@ -21,8 +21,8 @@ struct tb_ctl;
typedef bool (*event_cb)(void *data, enum tb_cfg_pkg_type type,
const void *buf, size_t size);
-struct tb_ctl *tb_ctl_alloc(struct tb_nhi *nhi, int timeout_msec, event_cb cb,
- void *cb_data);
+struct tb_ctl *tb_ctl_alloc(struct tb_nhi *nhi, int index, int timeout_msec,
+ event_cb cb, void *cb_data);
void tb_ctl_start(struct tb_ctl *ctl);
void tb_ctl_stop(struct tb_ctl *ctl);
void tb_ctl_free(struct tb_ctl *ctl);
diff --git a/drivers/thunderbolt/domain.c b/drivers/thunderbolt/domain.c
index d7abb8c445aa2..1d915a6c61a4a 100644
--- a/drivers/thunderbolt/domain.c
+++ b/drivers/thunderbolt/domain.c
@@ -397,7 +397,7 @@ struct tb *tb_domain_alloc(struct tb_nhi *nhi, int timeout_msec, size_t privsize
if (!tb->wq)
goto err_remove_ida;
- tb->ctl = tb_ctl_alloc(nhi, timeout_msec, tb_domain_event_cb, tb);
+ tb->ctl = tb_ctl_alloc(nhi, tb->index, timeout_msec, tb_domain_event_cb, tb);
if (!tb->ctl)
goto err_destroy_wq;
diff --git a/drivers/thunderbolt/trace.h b/drivers/thunderbolt/trace.h
new file mode 100644
index 0000000000000..4dccfcf7af6a3
--- /dev/null
+++ b/drivers/thunderbolt/trace.h
@@ -0,0 +1,188 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Thunderbolt tracing support
+ *
+ * Copyright (C) 2024, Intel Corporation
+ * Author: Mika Westerberg <mika.westerberg@linux.intel.com>
+ * Gil Fine <gil.fine@intel.com>
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM thunderbolt
+
+#if !defined(TB_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
+#define TB_TRACE_H_
+
+#include <linux/trace_seq.h>
+#include <linux/tracepoint.h>
+
+#include "tb_msgs.h"
+
+#define tb_cfg_type_name(type) { type, #type }
+#define show_type_name(val) \
+ __print_symbolic(val, \
+ tb_cfg_type_name(TB_CFG_PKG_READ), \
+ tb_cfg_type_name(TB_CFG_PKG_WRITE), \
+ tb_cfg_type_name(TB_CFG_PKG_ERROR), \
+ tb_cfg_type_name(TB_CFG_PKG_NOTIFY_ACK), \
+ tb_cfg_type_name(TB_CFG_PKG_EVENT), \
+ tb_cfg_type_name(TB_CFG_PKG_XDOMAIN_REQ), \
+ tb_cfg_type_name(TB_CFG_PKG_XDOMAIN_RESP), \
+ tb_cfg_type_name(TB_CFG_PKG_OVERRIDE), \
+ tb_cfg_type_name(TB_CFG_PKG_RESET), \
+ tb_cfg_type_name(TB_CFG_PKG_ICM_EVENT), \
+ tb_cfg_type_name(TB_CFG_PKG_ICM_CMD), \
+ tb_cfg_type_name(TB_CFG_PKG_ICM_RESP))
+
+#ifndef TB_TRACE_HELPERS
+#define TB_TRACE_HELPERS
+static inline const char *show_data_read_write(struct trace_seq *p,
+ const u32 *data)
+{
+ const struct cfg_read_pkg *msg = (const struct cfg_read_pkg *)data;
+ const char *ret = trace_seq_buffer_ptr(p);
+
+ trace_seq_printf(p, "offset=%#x, len=%u, port=%d, config=%#x, seq=%d, ",
+ msg->addr.offset, msg->addr.length, msg->addr.port,
+ msg->addr.space, msg->addr.seq);
+
+ return ret;
+}
+
+static inline const char *show_data_error(struct trace_seq *p, const u32 *data)
+{
+ const struct cfg_error_pkg *msg = (const struct cfg_error_pkg *)data;
+ const char *ret = trace_seq_buffer_ptr(p);
+
+ trace_seq_printf(p, "error=%#x, port=%d, plug=%#x, ", msg->error,
+ msg->port, msg->pg);
+
+ return ret;
+}
+
+static inline const char *show_data_event(struct trace_seq *p, const u32 *data)
+{
+ const struct cfg_event_pkg *msg = (const struct cfg_event_pkg *)data;
+ const char *ret = trace_seq_buffer_ptr(p);
+
+ trace_seq_printf(p, "port=%d, unplug=%#x, ", msg->port, msg->unplug);
+
+ return ret;
+}
+
+static inline const char *show_route(struct trace_seq *p, const u32 *data)
+{
+ const struct tb_cfg_header *header = (const struct tb_cfg_header *)data;
+ const char *ret = trace_seq_buffer_ptr(p);
+
+ trace_seq_printf(p, "route=%llx, ", tb_cfg_get_route(header));
+
+ return ret;
+}
+
+static inline const char *show_data(struct trace_seq *p, u8 type,
+ const u32 *data, u32 length)
+{
+ const char *ret = trace_seq_buffer_ptr(p);
+ const char *prefix = "";
+ int i;
+
+ show_route(p, data);
+
+ switch (type) {
+ case TB_CFG_PKG_READ:
+ case TB_CFG_PKG_WRITE:
+ show_data_read_write(p, data);
+ break;
+
+ case TB_CFG_PKG_ERROR:
+ show_data_error(p, data);
+ break;
+
+ case TB_CFG_PKG_EVENT:
+ show_data_event(p, data);
+ break;
+
+ default:
+ break;
+ }
+
+ trace_seq_printf(p, "data=[");
+ for (i = 0; i < length; i++) {
+ trace_seq_printf(p, "%s0x%08x", prefix, data[i]);
+ prefix = ", ";
+ }
+ trace_seq_printf(p, "]");
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+#endif
+
+DECLARE_EVENT_CLASS(tb_raw,
+ TP_PROTO(int index, u8 type, const void *data, size_t size),
+ TP_ARGS(index, type, data, size),
+ TP_STRUCT__entry(
+ __field(int, index)
+ __field(u8, type)
+ __field(size_t, size)
+ __dynamic_array(u32, data, size / 4)
+ ),
+ TP_fast_assign(
+ __entry->index = index;
+ __entry->type = type;
+ __entry->size = size / 4;
+ memcpy(__get_dynamic_array(data), data, size);
+ ),
+ TP_printk("type=%s, size=%zd, domain=%d, %s",
+ show_type_name(__entry->type), __entry->size, __entry->index,
+ show_data(p, __entry->type, __get_dynamic_array(data),
+ __entry->size)
+ )
+);
+
+DEFINE_EVENT(tb_raw, tb_tx,
+ TP_PROTO(int index, u8 type, const void *data, size_t size),
+ TP_ARGS(index, type, data, size)
+);
+
+DEFINE_EVENT(tb_raw, tb_event,
+ TP_PROTO(int index, u8 type, const void *data, size_t size),
+ TP_ARGS(index, type, data, size)
+);
+
+TRACE_EVENT(tb_rx,
+ TP_PROTO(int index, u8 type, const void *data, size_t size, bool dropped),
+ TP_ARGS(index, type, data, size, dropped),
+ TP_STRUCT__entry(
+ __field(int, index)
+ __field(u8, type)
+ __field(size_t, size)
+ __dynamic_array(u32, data, size / 4)
+ __field(bool, dropped)
+ ),
+ TP_fast_assign(
+ __entry->index = index;
+ __entry->type = type;
+ __entry->size = size / 4;
+ memcpy(__get_dynamic_array(data), data, size);
+ __entry->dropped = dropped;
+ ),
+ TP_printk("type=%s, dropped=%u, size=%zd, domain=%d, %s",
+ show_type_name(__entry->type), __entry->dropped,
+ __entry->size, __entry->index,
+ show_data(p, __entry->type, __get_dynamic_array(data),
+ __entry->size)
+ )
+);
+
+#endif /* TB_TRACE_H_ */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
--
GitLab
From b8a730836c6b1788ca2fbd6bcc2ac99e97ef7de9 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Mon, 19 Feb 2024 09:45:50 -0300
Subject: [PATCH 0679/2686] thunderbolt: Constify the struct device_type usage
Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the
tb_domain_type, tb_retimer_type, tb_switch_type, usb4_port_device_type,
tb_service_type and tb_xdomain_type variables to be constant structures as
well, placing it into read-only memory which can not be modified at
runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/domain.c | 2 +-
drivers/thunderbolt/retimer.c | 2 +-
drivers/thunderbolt/switch.c | 2 +-
drivers/thunderbolt/tb.h | 8 ++++----
drivers/thunderbolt/usb4_port.c | 2 +-
drivers/thunderbolt/xdomain.c | 4 ++--
include/linux/thunderbolt.h | 4 ++--
7 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/thunderbolt/domain.c b/drivers/thunderbolt/domain.c
index 1d915a6c61a4a..0023017299f76 100644
--- a/drivers/thunderbolt/domain.c
+++ b/drivers/thunderbolt/domain.c
@@ -326,7 +326,7 @@ static void tb_domain_release(struct device *dev)
kfree(tb);
}
-struct device_type tb_domain_type = {
+const struct device_type tb_domain_type = {
.name = "thunderbolt_domain",
.release = tb_domain_release,
};
diff --git a/drivers/thunderbolt/retimer.c b/drivers/thunderbolt/retimer.c
index d49d6628dbf29..6bb49bdcd6c18 100644
--- a/drivers/thunderbolt/retimer.c
+++ b/drivers/thunderbolt/retimer.c
@@ -356,7 +356,7 @@ static void tb_retimer_release(struct device *dev)
kfree(rt);
}
-struct device_type tb_retimer_type = {
+const struct device_type tb_retimer_type = {
.name = "thunderbolt_retimer",
.groups = retimer_groups,
.release = tb_retimer_release,
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index bca6f28c553b0..5a617ea285a72 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -2327,7 +2327,7 @@ static const struct dev_pm_ops tb_switch_pm_ops = {
NULL)
};
-struct device_type tb_switch_type = {
+const struct device_type tb_switch_type = {
.name = "thunderbolt_device",
.release = tb_switch_release,
.uevent = tb_switch_uevent,
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 8e87d1a0005c7..feed8ecaf712e 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -749,10 +749,10 @@ static inline int tb_port_write(struct tb_port *port, const void *buffer,
struct tb *icm_probe(struct tb_nhi *nhi);
struct tb *tb_probe(struct tb_nhi *nhi);
-extern struct device_type tb_domain_type;
-extern struct device_type tb_retimer_type;
-extern struct device_type tb_switch_type;
-extern struct device_type usb4_port_device_type;
+extern const struct device_type tb_domain_type;
+extern const struct device_type tb_retimer_type;
+extern const struct device_type tb_switch_type;
+extern const struct device_type usb4_port_device_type;
int tb_domain_init(void);
void tb_domain_exit(void);
diff --git a/drivers/thunderbolt/usb4_port.c b/drivers/thunderbolt/usb4_port.c
index e355bfd6343ff..5150879888cac 100644
--- a/drivers/thunderbolt/usb4_port.c
+++ b/drivers/thunderbolt/usb4_port.c
@@ -243,7 +243,7 @@ static void usb4_port_device_release(struct device *dev)
kfree(usb4);
}
-struct device_type usb4_port_device_type = {
+const struct device_type usb4_port_device_type = {
.name = "usb4_port",
.groups = usb4_port_device_groups,
.release = usb4_port_device_release,
diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c
index b48df88981bda..940ae97987ff3 100644
--- a/drivers/thunderbolt/xdomain.c
+++ b/drivers/thunderbolt/xdomain.c
@@ -1002,7 +1002,7 @@ static void tb_service_release(struct device *dev)
kfree(svc);
}
-struct device_type tb_service_type = {
+const struct device_type tb_service_type = {
.name = "thunderbolt_service",
.groups = tb_service_attr_groups,
.uevent = tb_service_uevent,
@@ -1893,7 +1893,7 @@ static const struct dev_pm_ops tb_xdomain_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(tb_xdomain_suspend, tb_xdomain_resume)
};
-struct device_type tb_xdomain_type = {
+const struct device_type tb_xdomain_type = {
.name = "thunderbolt_xdomain",
.release = tb_xdomain_release,
.pm = &tb_xdomain_pm_ops,
diff --git a/include/linux/thunderbolt.h b/include/linux/thunderbolt.h
index 2c835e5c41f63..4338ea9ac4fd9 100644
--- a/include/linux/thunderbolt.h
+++ b/include/linux/thunderbolt.h
@@ -87,8 +87,8 @@ struct tb {
};
extern const struct bus_type tb_bus_type;
-extern struct device_type tb_service_type;
-extern struct device_type tb_xdomain_type;
+extern const struct device_type tb_service_type;
+extern const struct device_type tb_xdomain_type;
#define TB_LINKS_PER_PHY_PORT 2
--
GitLab
From f31c204850f9d93906b5ac8c203b2066524ff245 Mon Sep 17 00:00:00 2001
From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date: Sun, 25 Feb 2024 16:13:34 +0100
Subject: [PATCH 0680/2686] clocksource/drivers/arm_global_timer: Make
gt_target_rate unsigned long
Change the data type of gt_target_rate to unsigned long as this is what
we get back from clk_get_rate().
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240225151336.2728533-2-martin.blumenstingl@googlemail.com
---
drivers/clocksource/arm_global_timer.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c
index d749dee1d41dd..fd39cfabe5263 100644
--- a/drivers/clocksource/arm_global_timer.c
+++ b/drivers/clocksource/arm_global_timer.c
@@ -52,7 +52,8 @@
*/
static void __iomem *gt_base;
static struct notifier_block gt_clk_rate_change_nb;
-static u32 gt_psv_new, gt_psv_bck, gt_target_rate;
+static u32 gt_psv_new, gt_psv_bck;
+static unsigned long gt_target_rate;
static int gt_ppi;
static struct clock_event_device __percpu *gt_evt;
--
GitLab
From e651f2fae33634175fae956d896277cf916f5d09 Mon Sep 17 00:00:00 2001
From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date: Sun, 25 Feb 2024 16:13:35 +0100
Subject: [PATCH 0681/2686] clocksource/drivers/arm_global_timer: Guard against
division by zero
The result of the division of new_rate by gt_target_rate can be zero (if
new_rate is smaller than gt_target_rate). Using that result as divisor
without checking can result in a division by zero error. Guard against
this by checking for a zero value earlier.
While here, also change the psv variable to an unsigned long to make
sure we don't overflow the datatype as all other types involved are also
unsiged long.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240225151336.2728533-3-martin.blumenstingl@googlemail.com
---
drivers/clocksource/arm_global_timer.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c
index fd39cfabe5263..4726a15b0afc1 100644
--- a/drivers/clocksource/arm_global_timer.c
+++ b/drivers/clocksource/arm_global_timer.c
@@ -291,18 +291,17 @@ static int gt_clk_rate_change_cb(struct notifier_block *nb,
switch (event) {
case PRE_RATE_CHANGE:
{
- int psv;
+ unsigned long psv;
- psv = DIV_ROUND_CLOSEST(ndata->new_rate,
- gt_target_rate);
-
- if (abs(gt_target_rate - (ndata->new_rate / psv)) > MAX_F_ERR)
+ psv = DIV_ROUND_CLOSEST(ndata->new_rate, gt_target_rate);
+ if (!psv ||
+ abs(gt_target_rate - (ndata->new_rate / psv)) > MAX_F_ERR)
return NOTIFY_BAD;
psv--;
/* prescaler within legal range? */
- if (psv < 0 || psv > GT_CONTROL_PRESCALER_MAX)
+ if (psv > GT_CONTROL_PRESCALER_MAX)
return NOTIFY_BAD;
/*
--
GitLab
From 755350bcfb4ac8cbbb62bd7ee6be8271d4b2a88a Mon Sep 17 00:00:00 2001
From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date: Sun, 25 Feb 2024 16:13:36 +0100
Subject: [PATCH 0682/2686] clocksource/drivers/arm_global_timer: Simplify
prescaler register access
Use GENMASK() to define the prescaler mask and make the whole driver use
the mask (together with helpers such as FIELD_{GET,PREP,FIT}) instead of
needing an additional shift and max value constant.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240225151336.2728533-4-martin.blumenstingl@googlemail.com
---
drivers/clocksource/arm_global_timer.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c
index 4726a15b0afc1..ab1c8c2b66b88 100644
--- a/drivers/clocksource/arm_global_timer.c
+++ b/drivers/clocksource/arm_global_timer.c
@@ -9,6 +9,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/bitfield.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <linux/cpu.h>
@@ -31,10 +32,7 @@
#define GT_CONTROL_COMP_ENABLE BIT(1) /* banked */
#define GT_CONTROL_IRQ_ENABLE BIT(2) /* banked */
#define GT_CONTROL_AUTO_INC BIT(3) /* banked */
-#define GT_CONTROL_PRESCALER_SHIFT 8
-#define GT_CONTROL_PRESCALER_MAX 0xFF
-#define GT_CONTROL_PRESCALER_MASK (GT_CONTROL_PRESCALER_MAX << \
- GT_CONTROL_PRESCALER_SHIFT)
+#define GT_CONTROL_PRESCALER_MASK GENMASK(15, 8)
#define GT_INT_STATUS 0x0c
#define GT_INT_STATUS_EVENT_FLAG BIT(0)
@@ -248,7 +246,7 @@ static void gt_write_presc(u32 psv)
reg = readl(gt_base + GT_CONTROL);
reg &= ~GT_CONTROL_PRESCALER_MASK;
- reg |= psv << GT_CONTROL_PRESCALER_SHIFT;
+ reg |= FIELD_PREP(GT_CONTROL_PRESCALER_MASK, psv);
writel(reg, gt_base + GT_CONTROL);
}
@@ -257,8 +255,7 @@ static u32 gt_read_presc(void)
u32 reg;
reg = readl(gt_base + GT_CONTROL);
- reg &= GT_CONTROL_PRESCALER_MASK;
- return reg >> GT_CONTROL_PRESCALER_SHIFT;
+ return FIELD_GET(GT_CONTROL_PRESCALER_MASK, reg);
}
static void __init gt_delay_timer_init(void)
@@ -273,9 +270,9 @@ static int __init gt_clocksource_init(void)
writel(0, gt_base + GT_COUNTER0);
writel(0, gt_base + GT_COUNTER1);
/* set prescaler and enable timer on all the cores */
- writel(((CONFIG_ARM_GT_INITIAL_PRESCALER_VAL - 1) <<
- GT_CONTROL_PRESCALER_SHIFT)
- | GT_CONTROL_TIMER_ENABLE, gt_base + GT_CONTROL);
+ writel(FIELD_PREP(GT_CONTROL_PRESCALER_MASK,
+ CONFIG_ARM_GT_INITIAL_PRESCALER_VAL - 1) |
+ GT_CONTROL_TIMER_ENABLE, gt_base + GT_CONTROL);
#ifdef CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
sched_clock_register(gt_sched_clock_read, 64, gt_target_rate);
@@ -301,7 +298,7 @@ static int gt_clk_rate_change_cb(struct notifier_block *nb,
psv--;
/* prescaler within legal range? */
- if (psv > GT_CONTROL_PRESCALER_MAX)
+ if (!FIELD_FIT(GT_CONTROL_PRESCALER_MASK, psv))
return NOTIFY_BAD;
/*
--
GitLab
From 06226d120a28f146abd3637799958a4dc4dbb7a1 Mon Sep 17 00:00:00 2001
From: Yang Jihong <yangjihong1@huawei.com>
Date: Mon, 8 Jan 2024 12:19:06 +0000
Subject: [PATCH 0683/2686] hwtracing: hisi_ptt: Move type check to the
beginning of hisi_ptt_pmu_event_init()
When perf_init_event() calls perf_try_init_event() to init pmu driver,
searches for the next pmu driver only when the return value is -ENOENT.
Therefore, hisi_ptt_pmu_event_init() needs to check the type at the
beginning of the function.
Otherwise, in the case of perf-task mode, perf_try_init_event() returns
-EOPNOTSUPP and skips subsequent pmu drivers, causes perf_init_event() to
fail.
Fixes: ff0de066b463 ("hwtracing: hisi_ptt: Add trace function support for HiSilicon PCIe Tune and Trace device")
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Reviewed-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20240108121906.3514820-1-yangjihong1@huawei.com
---
drivers/hwtracing/ptt/hisi_ptt.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/hwtracing/ptt/hisi_ptt.c b/drivers/hwtracing/ptt/hisi_ptt.c
index c1b5fd2b89741..4bf04a9778407 100644
--- a/drivers/hwtracing/ptt/hisi_ptt.c
+++ b/drivers/hwtracing/ptt/hisi_ptt.c
@@ -998,6 +998,9 @@ static int hisi_ptt_pmu_event_init(struct perf_event *event)
int ret;
u32 val;
+ if (event->attr.type != hisi_ptt->hisi_ptt_pmu.type)
+ return -ENOENT;
+
if (event->cpu < 0) {
dev_dbg(event->pmu->dev, "Per-task mode not supported\n");
return -EOPNOTSUPP;
@@ -1006,9 +1009,6 @@ static int hisi_ptt_pmu_event_init(struct perf_event *event)
if (event->attach_state & PERF_ATTACH_TASK)
return -EOPNOTSUPP;
- if (event->attr.type != hisi_ptt->hisi_ptt_pmu.type)
- return -ENOENT;
-
ret = hisi_ptt_trace_valid_filter(hisi_ptt, event->attr.config);
if (ret < 0)
return ret;
--
GitLab
From b9920fdd5a751df129808e7fa512e9928223ee05 Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ardb@kernel.org>
Date: Wed, 14 Feb 2024 08:03:24 +0100
Subject: [PATCH 0684/2686] ARM: 9352/1: iwmmxt: Remove support for PJ4/PJ4B
cores
PJ4 is a v7 core that incorporates a iWMMXt coprocessor. However, GCC
does not support this combination (its iWMMXt configuration always
implies v5te), and so there is no v6/v7 user space that actually makes
use of this, beyond generic support for things like setjmp() that
preserve/restore the iWMMXt register file using generic LDC/STC
instructions emitted in assembler. As [0] appears to imply, this logic
is triggered for the init process at boot, and so most user threads will
have a iWMMXt register context associated with it, even though it is
never used.
At this point, it is highly unlikely that such GCC support will ever
materialize (and Clang does not implement support for iWMMXt to begin
with).
This means that advertising iWMMXt support on these cores results in
context switch overhead without any associated benefit, and so it is
better to simply ignore the iWMMXt unit on these systems. So rip out the
support. Doing so also fixes the issue reported in [0] related to UNDEF
handling of co-processor #0/#1 instructions issued from user space
running in Thumb2 mode.
The PJ4 cores are used in four platforms: Armada 370/xp, Dove (Cubox,
d2plug), MMP2 (xo-1.75) and Berlin (Google TV). Out of these, only the
first is still widely used, but that one actually doesn't have iWMMXt
but instead has only VFPV3-D16, and so it is not impacted by this
change.
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218427 [0]
Fixes: 8bcba70cb5c22 ("ARM: entry: Disregard Thumb undef exception ...")
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Reviewed-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
arch/arm/Kconfig | 4 +-
arch/arm/kernel/Makefile | 2 -
arch/arm/kernel/iwmmxt.S | 51 ++++----------
arch/arm/kernel/pj4-cp0.c | 135 --------------------------------------
4 files changed, 15 insertions(+), 177 deletions(-)
delete mode 100644 arch/arm/kernel/pj4-cp0.c
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 0af6709570d14..0d4e316a389e0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -503,8 +503,8 @@ source "arch/arm/mm/Kconfig"
config IWMMXT
bool "Enable iWMMXt support"
- depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 || CPU_PJ4B
- default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4 || CPU_PJ4B
+ depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK
+ default y if PXA27x || PXA3xx || ARCH_MMP
help
Enable support for iWMMXt context switching at run time if
running on a CPU that supports it.
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index 771264d4726a7..ae2f2b2b4e5ab 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -75,8 +75,6 @@ obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
obj-$(CONFIG_CPU_XSCALE) += xscale-cp0.o
obj-$(CONFIG_CPU_XSC3) += xscale-cp0.o
obj-$(CONFIG_CPU_MOHAWK) += xscale-cp0.o
-obj-$(CONFIG_CPU_PJ4) += pj4-cp0.o
-obj-$(CONFIG_CPU_PJ4B) += pj4-cp0.o
obj-$(CONFIG_IWMMXT) += iwmmxt.o
obj-$(CONFIG_PERF_EVENTS) += perf_regs.o perf_callchain.o
obj-$(CONFIG_HW_PERF_EVENTS) += perf_event_xscale.o perf_event_v6.o \
diff --git a/arch/arm/kernel/iwmmxt.S b/arch/arm/kernel/iwmmxt.S
index a0218c4867b9b..4a335d3c59690 100644
--- a/arch/arm/kernel/iwmmxt.S
+++ b/arch/arm/kernel/iwmmxt.S
@@ -18,18 +18,6 @@
#include <asm/assembler.h>
#include "iwmmxt.h"
-#if defined(CONFIG_CPU_PJ4) || defined(CONFIG_CPU_PJ4B)
-#define PJ4(code...) code
-#define XSC(code...)
-#elif defined(CONFIG_CPU_MOHAWK) || \
- defined(CONFIG_CPU_XSC3) || \
- defined(CONFIG_CPU_XSCALE)
-#define PJ4(code...)
-#define XSC(code...) code
-#else
-#error "Unsupported iWMMXt architecture"
-#endif
-
#define MMX_WR0 (0x00)
#define MMX_WR1 (0x08)
#define MMX_WR2 (0x10)
@@ -81,17 +69,13 @@ ENDPROC(iwmmxt_undef_handler)
ENTRY(iwmmxt_task_enable)
inc_preempt_count r10, r3
- XSC(mrc p15, 0, r2, c15, c1, 0)
- PJ4(mrc p15, 0, r2, c1, c0, 2)
+ mrc p15, 0, r2, c15, c1, 0
@ CP0 and CP1 accessible?
- XSC(tst r2, #0x3)
- PJ4(tst r2, #0xf)
+ tst r2, #0x3
bne 4f @ if so no business here
@ enable access to CP0 and CP1
- XSC(orr r2, r2, #0x3)
- XSC(mcr p15, 0, r2, c15, c1, 0)
- PJ4(orr r2, r2, #0xf)
- PJ4(mcr p15, 0, r2, c1, c0, 2)
+ orr r2, r2, #0x3
+ mcr p15, 0, r2, c15, c1, 0
ldr r3, =concan_owner
ldr r2, [r0, #S_PC] @ current task pc value
@@ -218,12 +202,9 @@ ENTRY(iwmmxt_task_disable)
bne 1f @ no: quit
@ enable access to CP0 and CP1
- XSC(mrc p15, 0, r4, c15, c1, 0)
- XSC(orr r4, r4, #0x3)
- XSC(mcr p15, 0, r4, c15, c1, 0)
- PJ4(mrc p15, 0, r4, c1, c0, 2)
- PJ4(orr r4, r4, #0xf)
- PJ4(mcr p15, 0, r4, c1, c0, 2)
+ mrc p15, 0, r4, c15, c1, 0
+ orr r4, r4, #0x3
+ mcr p15, 0, r4, c15, c1, 0
mov r0, #0 @ nothing to load
str r0, [r3] @ no more current owner
@@ -232,10 +213,8 @@ ENTRY(iwmmxt_task_disable)
bl concan_save
@ disable access to CP0 and CP1
- XSC(bic r4, r4, #0x3)
- XSC(mcr p15, 0, r4, c15, c1, 0)
- PJ4(bic r4, r4, #0xf)
- PJ4(mcr p15, 0, r4, c1, c0, 2)
+ bic r4, r4, #0x3
+ mcr p15, 0, r4, c15, c1, 0
mrc p15, 0, r2, c2, c0, 0
mov r2, r2 @ cpwait
@@ -330,11 +309,9 @@ ENDPROC(iwmmxt_task_restore)
*/
ENTRY(iwmmxt_task_switch)
- XSC(mrc p15, 0, r1, c15, c1, 0)
- PJ4(mrc p15, 0, r1, c1, c0, 2)
+ mrc p15, 0, r1, c15, c1, 0
@ CP0 and CP1 accessible?
- XSC(tst r1, #0x3)
- PJ4(tst r1, #0xf)
+ tst r1, #0x3
bne 1f @ yes: block them for next task
ldr r2, =concan_owner
@@ -344,10 +321,8 @@ ENTRY(iwmmxt_task_switch)
retne lr @ no: leave Concan disabled
1: @ flip Concan access
- XSC(eor r1, r1, #0x3)
- XSC(mcr p15, 0, r1, c15, c1, 0)
- PJ4(eor r1, r1, #0xf)
- PJ4(mcr p15, 0, r1, c1, c0, 2)
+ eor r1, r1, #0x3
+ mcr p15, 0, r1, c15, c1, 0
mrc p15, 0, r1, c2, c0, 0
sub pc, lr, r1, lsr #32 @ cpwait and return
diff --git a/arch/arm/kernel/pj4-cp0.c b/arch/arm/kernel/pj4-cp0.c
deleted file mode 100644
index 4bca8098c4ff5..0000000000000
--- a/arch/arm/kernel/pj4-cp0.c
+++ /dev/null
@@ -1,135 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * linux/arch/arm/kernel/pj4-cp0.c
- *
- * PJ4 iWMMXt coprocessor context switching and handling
- *
- * Copyright (c) 2010 Marvell International Inc.
- */
-
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <asm/thread_notify.h>
-#include <asm/cputype.h>
-
-static int iwmmxt_do(struct notifier_block *self, unsigned long cmd, void *t)
-{
- struct thread_info *thread = t;
-
- switch (cmd) {
- case THREAD_NOTIFY_FLUSH:
- /*
- * flush_thread() zeroes thread->fpstate, so no need
- * to do anything here.
- *
- * FALLTHROUGH: Ensure we don't try to overwrite our newly
- * initialised state information on the first fault.
- */
-
- case THREAD_NOTIFY_EXIT:
- iwmmxt_task_release(thread);
- break;
-
- case THREAD_NOTIFY_SWITCH:
- iwmmxt_task_switch(thread);
- break;
- }
-
- return NOTIFY_DONE;
-}
-
-static struct notifier_block __maybe_unused iwmmxt_notifier_block = {
- .notifier_call = iwmmxt_do,
-};
-
-
-static u32 __init pj4_cp_access_read(void)
-{
- u32 value;
-
- __asm__ __volatile__ (
- "mrc p15, 0, %0, c1, c0, 2\n\t"
- : "=r" (value));
- return value;
-}
-
-static void __init pj4_cp_access_write(u32 value)
-{
- u32 temp;
-
- __asm__ __volatile__ (
- "mcr p15, 0, %1, c1, c0, 2\n\t"
-#ifdef CONFIG_THUMB2_KERNEL
- "isb\n\t"
-#else
- "mrc p15, 0, %0, c1, c0, 2\n\t"
- "mov %0, %0\n\t"
- "sub pc, pc, #4\n\t"
-#endif
- : "=r" (temp) : "r" (value));
-}
-
-static int __init pj4_get_iwmmxt_version(void)
-{
- u32 cp_access, wcid;
-
- cp_access = pj4_cp_access_read();
- pj4_cp_access_write(cp_access | 0xf);
-
- /* check if coprocessor 0 and 1 are available */
- if ((pj4_cp_access_read() & 0xf) != 0xf) {
- pj4_cp_access_write(cp_access);
- return -ENODEV;
- }
-
- /* read iWMMXt coprocessor id register p1, c0 */
- __asm__ __volatile__ ("mrc p1, 0, %0, c0, c0, 0\n" : "=r" (wcid));
-
- pj4_cp_access_write(cp_access);
-
- /* iWMMXt v1 */
- if ((wcid & 0xffffff00) == 0x56051000)
- return 1;
- /* iWMMXt v2 */
- if ((wcid & 0xffffff00) == 0x56052000)
- return 2;
-
- return -EINVAL;
-}
-
-/*
- * Disable CP0/CP1 on boot, and let call_fpe() and the iWMMXt lazy
- * switch code handle iWMMXt context switching.
- */
-static int __init pj4_cp0_init(void)
-{
- u32 __maybe_unused cp_access;
- int vers;
-
- if (!cpu_is_pj4())
- return 0;
-
- vers = pj4_get_iwmmxt_version();
- if (vers < 0)
- return 0;
-
-#ifndef CONFIG_IWMMXT
- pr_info("PJ4 iWMMXt coprocessor detected, but kernel support is missing.\n");
-#else
- cp_access = pj4_cp_access_read() & ~0xf;
- pj4_cp_access_write(cp_access);
-
- pr_info("PJ4 iWMMXt v%d coprocessor enabled.\n", vers);
- elf_hwcap |= HWCAP_IWMMXT;
- thread_register_notifier(&iwmmxt_notifier_block);
- register_iwmmxt_undef_handler();
-#endif
-
- return 0;
-}
-
-late_initcall(pj4_cp0_init);
--
GitLab
From 2ec11b5d6d900b17c7d001fbee4751fd2aa58917 Mon Sep 17 00:00:00 2001
From: Jeff Johnson <quic_jjohnson@quicinc.com>
Date: Thu, 22 Feb 2024 18:00:23 -0800
Subject: [PATCH 0685/2686] bus: mhi: host: pci_generic: constify
modem_telit_fn980_hw_v1_config
MHI expects the controller configs to be const, and all of the other ones
in this file already are, so constify modem_telit_fn980_hw_v1_config.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240222-mhi-const-bus-mhi-host-pci_generic-v1-1-d4c9b0b0a7a5@quicinc.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
drivers/bus/mhi/host/pci_generic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
index cd6cd14b3d29b..51639bfcfec70 100644
--- a/drivers/bus/mhi/host/pci_generic.c
+++ b/drivers/bus/mhi/host/pci_generic.c
@@ -538,7 +538,7 @@ static struct mhi_event_config mhi_telit_fn980_hw_v1_events[] = {
MHI_EVENT_CONFIG_HW_DATA(2, 2048, 101)
};
-static struct mhi_controller_config modem_telit_fn980_hw_v1_config = {
+static const struct mhi_controller_config modem_telit_fn980_hw_v1_config = {
.max_channels = 128,
.timeout_ms = 20000,
.num_channels = ARRAY_SIZE(mhi_telit_fn980_hw_v1_channels),
--
GitLab
From c819dbd078321f948101ef7a19f1e171164bb3cf Mon Sep 17 00:00:00 2001
From: Mubin Sayyed <mubin.sayyed@amd.com>
Date: Mon, 26 Feb 2024 15:03:33 +0530
Subject: [PATCH 0686/2686] dt-bindings: timer: Add support for cadence TTC PWM
Cadence TTC can act as PWM device, it will be supported through
separate PWM framework based driver. Decision to configure
specific TTC device as PWM or clocksource/clockevent would
be done based on presence of "#pwm-cells" property.
Also, interrupt property is not required for TTC PWM driver.
Update bindings to support TTC PWM configuration.
Signed-off-by: Mubin Sayyed <mubin.sayyed@amd.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240226093333.2581092-1-mubin.sayyed@amd.com
---
.../devicetree/bindings/timer/cdns,ttc.yaml | 22 ++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/timer/cdns,ttc.yaml b/Documentation/devicetree/bindings/timer/cdns,ttc.yaml
index dbba780c9b021..da342464d32ed 100644
--- a/Documentation/devicetree/bindings/timer/cdns,ttc.yaml
+++ b/Documentation/devicetree/bindings/timer/cdns,ttc.yaml
@@ -32,12 +32,23 @@ properties:
description: |
Bit width of the timer, necessary if not 16.
+ "#pwm-cells":
+ const: 3
+
required:
- compatible
- reg
- - interrupts
- clocks
+allOf:
+ - if:
+ not:
+ required:
+ - "#pwm-cells"
+ then:
+ required:
+ - interrupts
+
additionalProperties: false
examples:
@@ -50,3 +61,12 @@ examples:
clocks = <&cpu_clk 3>;
timer-width = <32>;
};
+
+ - |
+ pwm: pwm@f8002000 {
+ compatible = "cdns,ttc";
+ reg = <0xf8002000 0x1000>;
+ clocks = <&cpu_clk 3>;
+ timer-width = <32>;
+ #pwm-cells = <3>;
+ };
--
GitLab
From 96b171d6dba6a66c63312f35e3ac6465b2c2ca94 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 30 Jan 2024 13:48:35 -0800
Subject: [PATCH 0687/2686] scsi: core: Query the Block Limits Extension VPD
page
Parse the Reduced Stream Control Supported (RSCS) bit from the block limits
extension VPD page. The RSCS bit is defined in SBC-5 r05
(https://www.t10.org/cgi-bin/ac.pl?t=f&f=sbc5r05.pdf).
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Daejun Park <daejun7.park@samsung.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240130214911.1863909-10-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/scsi.c | 2 ++
drivers/scsi/scsi_sysfs.c | 10 ++++++++++
drivers/scsi/sd.c | 13 +++++++++++++
drivers/scsi/sd.h | 1 +
include/scsi/scsi_device.h | 1 +
5 files changed, 27 insertions(+)
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 76d369343c7a9..74cc3369dd8de 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -499,6 +499,8 @@ void scsi_attach_vpd(struct scsi_device *sdev)
scsi_update_vpd_page(sdev, 0xb1, &sdev->vpd_pgb1);
if (vpd_buf->data[i] == 0xb2)
scsi_update_vpd_page(sdev, 0xb2, &sdev->vpd_pgb2);
+ if (vpd_buf->data[i] == 0xb7)
+ scsi_update_vpd_page(sdev, 0xb7, &sdev->vpd_pgb7);
}
kfree(vpd_buf);
}
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 24f6eefb68030..93652a786a469 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -449,6 +449,7 @@ static void scsi_device_dev_release(struct device *dev)
struct scsi_vpd *vpd_pg80 = NULL, *vpd_pg83 = NULL;
struct scsi_vpd *vpd_pg0 = NULL, *vpd_pg89 = NULL;
struct scsi_vpd *vpd_pgb0 = NULL, *vpd_pgb1 = NULL, *vpd_pgb2 = NULL;
+ struct scsi_vpd *vpd_pgb7 = NULL;
unsigned long flags;
might_sleep();
@@ -494,6 +495,8 @@ static void scsi_device_dev_release(struct device *dev)
lockdep_is_held(&sdev->inquiry_mutex));
vpd_pgb2 = rcu_replace_pointer(sdev->vpd_pgb2, vpd_pgb2,
lockdep_is_held(&sdev->inquiry_mutex));
+ vpd_pgb7 = rcu_replace_pointer(sdev->vpd_pgb7, vpd_pgb7,
+ lockdep_is_held(&sdev->inquiry_mutex));
mutex_unlock(&sdev->inquiry_mutex);
if (vpd_pg0)
@@ -510,6 +513,8 @@ static void scsi_device_dev_release(struct device *dev)
kfree_rcu(vpd_pgb1, rcu);
if (vpd_pgb2)
kfree_rcu(vpd_pgb2, rcu);
+ if (vpd_pgb7)
+ kfree_rcu(vpd_pgb7, rcu);
kfree(sdev->inquiry);
kfree(sdev);
@@ -921,6 +926,7 @@ sdev_vpd_pg_attr(pg89);
sdev_vpd_pg_attr(pgb0);
sdev_vpd_pg_attr(pgb1);
sdev_vpd_pg_attr(pgb2);
+sdev_vpd_pg_attr(pgb7);
sdev_vpd_pg_attr(pg0);
static ssize_t show_inquiry(struct file *filep, struct kobject *kobj,
@@ -1295,6 +1301,9 @@ static umode_t scsi_sdev_bin_attr_is_visible(struct kobject *kobj,
if (attr == &dev_attr_vpd_pgb2 && !sdev->vpd_pgb2)
return 0;
+ if (attr == &dev_attr_vpd_pgb7 && !sdev->vpd_pgb7)
+ return 0;
+
return S_IRUGO;
}
@@ -1347,6 +1356,7 @@ static struct bin_attribute *scsi_sdev_bin_attrs[] = {
&dev_attr_vpd_pgb0,
&dev_attr_vpd_pgb1,
&dev_attr_vpd_pgb2,
+ &dev_attr_vpd_pgb7,
&dev_attr_inquiry,
NULL
};
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 0833b3e6aa6e8..86b819fa04d90 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3108,6 +3108,18 @@ static void sd_read_block_limits(struct scsi_disk *sdkp)
rcu_read_unlock();
}
+/* Parse the Block Limits Extension VPD page (0xb7) */
+static void sd_read_block_limits_ext(struct scsi_disk *sdkp)
+{
+ struct scsi_vpd *vpd;
+
+ rcu_read_lock();
+ vpd = rcu_dereference(sdkp->device->vpd_pgb7);
+ if (vpd && vpd->len >= 2)
+ sdkp->rscs = vpd->data[5] & 1;
+ rcu_read_unlock();
+}
+
/**
* sd_read_block_characteristics - Query block dev. characteristics
* @sdkp: disk to query
@@ -3459,6 +3471,7 @@ static int sd_revalidate_disk(struct gendisk *disk)
if (scsi_device_supports_vpd(sdp)) {
sd_read_block_provisioning(sdkp);
sd_read_block_limits(sdkp);
+ sd_read_block_limits_ext(sdkp);
sd_read_block_characteristics(sdkp);
sd_zbc_read_zones(sdkp, buffer);
sd_read_cpr(sdkp);
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 409dda5350d10..e4539122f2a24 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -151,6 +151,7 @@ struct scsi_disk {
unsigned urswrz : 1;
unsigned security : 1;
unsigned ignore_medium_access_errors : 1;
+ bool rscs : 1; /* reduced stream control support */
};
#define to_scsi_disk(obj) container_of(obj, struct scsi_disk, disk_dev)
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 5ec1e71a09de7..f670b55d803aa 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -153,6 +153,7 @@ struct scsi_device {
struct scsi_vpd __rcu *vpd_pgb0;
struct scsi_vpd __rcu *vpd_pgb1;
struct scsi_vpd __rcu *vpd_pgb2;
+ struct scsi_vpd __rcu *vpd_pgb7;
struct scsi_target *sdev_target;
--
GitLab
From 4977c0f4523e1d6c87df4eedceb33d38f055c5fb Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 30 Jan 2024 13:48:36 -0800
Subject: [PATCH 0688/2686] scsi: scsi_proto: Add structures and constants
related to I/O groups and streams
Prepare for adding code that will query the I/O advice hints group
descriptors and for adding code that will retrieve the stream status.
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240130214911.1863909-11-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/Kconfig | 5 +++
drivers/scsi/Makefile | 2 +
drivers/scsi/scsi_proto_test.c | 56 ++++++++++++++++++++++++
include/scsi/scsi_proto.h | 78 ++++++++++++++++++++++++++++++++++
4 files changed, 141 insertions(+)
create mode 100644 drivers/scsi/scsi_proto_test.c
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index addac7fbe37b9..83b542abfc29b 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -232,6 +232,11 @@ config SCSI_SCAN_ASYNC
Note that this setting also affects whether resuming from
system suspend will be performed asynchronously.
+config SCSI_PROTO_TEST
+ tristate "scsi_proto.h unit tests" if !KUNIT_ALL_TESTS
+ depends on SCSI && KUNIT
+ default KUNIT_ALL_TESTS
+
menu "SCSI Transports"
depends on SCSI
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index f055bfd54a683..1313ddf2fd1a1 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -24,6 +24,8 @@ obj-$(CONFIG_SCSI_COMMON) += scsi_common.o
obj-$(CONFIG_RAID_ATTRS) += raid_class.o
+obj-$(CONFIG_SCSI_PROTO_TEST) += scsi_proto_test.o
+
# --- NOTE ORDERING HERE ---
# For kernel non-modular link, transport attributes need to
# be initialised before drivers
diff --git a/drivers/scsi/scsi_proto_test.c b/drivers/scsi/scsi_proto_test.c
new file mode 100644
index 0000000000000..7fa0a78a2ad16
--- /dev/null
+++ b/drivers/scsi/scsi_proto_test.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2023 Google LLC
+ */
+#include <kunit/test.h>
+#include <asm-generic/unaligned.h>
+#include <scsi/scsi_proto.h>
+
+static void test_scsi_proto(struct kunit *test)
+{
+ static const union {
+ struct scsi_io_group_descriptor desc;
+ u8 arr[sizeof(struct scsi_io_group_descriptor)];
+ } d = { .arr = { 0x45, 0, 0, 0, 0xb0, 0xe4, 0xe3 } };
+ KUNIT_EXPECT_EQ(test, d.desc.io_advice_hints_mode + 0, 1);
+ KUNIT_EXPECT_EQ(test, d.desc.st_enble + 0, 1);
+ KUNIT_EXPECT_EQ(test, d.desc.cs_enble + 0, 0);
+ KUNIT_EXPECT_EQ(test, d.desc.ic_enable + 0, 1);
+ KUNIT_EXPECT_EQ(test, d.desc.acdlu + 0, 1);
+ KUNIT_EXPECT_EQ(test, d.desc.rlbsr + 0, 3);
+ KUNIT_EXPECT_EQ(test, d.desc.lbm_descriptor_type + 0, 0);
+ KUNIT_EXPECT_EQ(test, d.desc.params[0] + 0, 0xe4);
+ KUNIT_EXPECT_EQ(test, d.desc.params[1] + 0, 0xe3);
+
+ static const union {
+ struct scsi_stream_status s;
+ u8 arr[sizeof(struct scsi_stream_status)];
+ } ss = { .arr = { 0x80, 0, 0x12, 0x34, 0x3f } };
+ KUNIT_EXPECT_EQ(test, ss.s.perm + 0, 1);
+ KUNIT_EXPECT_EQ(test, get_unaligned_be16(&ss.s.stream_identifier),
+ 0x1234);
+ KUNIT_EXPECT_EQ(test, ss.s.rel_lifetime + 0, 0x3f);
+
+ static const union {
+ struct scsi_stream_status_header h;
+ u8 arr[sizeof(struct scsi_stream_status_header)];
+ } sh = { .arr = { 1, 2, 3, 4, 0, 0, 5, 6 } };
+ KUNIT_EXPECT_EQ(test, get_unaligned_be32(&sh.h.len), 0x1020304);
+ KUNIT_EXPECT_EQ(test, get_unaligned_be16(&sh.h.number_of_open_streams),
+ 0x506);
+}
+
+static struct kunit_case scsi_proto_test_cases[] = {
+ KUNIT_CASE(test_scsi_proto),
+ {}
+};
+
+static struct kunit_suite scsi_proto_test_suite = {
+ .name = "scsi_proto",
+ .test_cases = scsi_proto_test_cases,
+};
+kunit_test_suite(scsi_proto_test_suite);
+
+MODULE_DESCRIPTION("<scsi/scsi_proto.h> unit tests");
+MODULE_AUTHOR("Bart Van Assche");
+MODULE_LICENSE("GPL");
diff --git a/include/scsi/scsi_proto.h b/include/scsi/scsi_proto.h
index 07d65c1f59db3..843106e1109f4 100644
--- a/include/scsi/scsi_proto.h
+++ b/include/scsi/scsi_proto.h
@@ -10,6 +10,7 @@
#ifndef _SCSI_PROTO_H_
#define _SCSI_PROTO_H_
+#include <linux/build_bug.h>
#include <linux/types.h>
/*
@@ -126,6 +127,7 @@
#define SAI_READ_CAPACITY_16 0x10
#define SAI_GET_LBA_STATUS 0x12
#define SAI_REPORT_REFERRALS 0x13
+#define SAI_GET_STREAM_STATUS 0x16
/* values for maintenance in */
#define MI_REPORT_IDENTIFYING_INFORMATION 0x05
#define MI_REPORT_TARGET_PGS 0x0a
@@ -275,6 +277,82 @@ struct scsi_lun {
__u8 scsi_lun[8];
};
+/* SBC-5 IO advice hints group descriptor */
+struct scsi_io_group_descriptor {
+#if defined(__BIG_ENDIAN)
+ u8 io_advice_hints_mode: 2;
+ u8 reserved1: 3;
+ u8 st_enble: 1;
+ u8 cs_enble: 1;
+ u8 ic_enable: 1;
+#elif defined(__LITTLE_ENDIAN)
+ u8 ic_enable: 1;
+ u8 cs_enble: 1;
+ u8 st_enble: 1;
+ u8 reserved1: 3;
+ u8 io_advice_hints_mode: 2;
+#else
+#error
+#endif
+ u8 reserved2[3];
+ /* Logical block markup descriptor */
+#if defined(__BIG_ENDIAN)
+ u8 acdlu: 1;
+ u8 reserved3: 1;
+ u8 rlbsr: 2;
+ u8 lbm_descriptor_type: 4;
+#elif defined(__LITTLE_ENDIAN)
+ u8 lbm_descriptor_type: 4;
+ u8 rlbsr: 2;
+ u8 reserved3: 1;
+ u8 acdlu: 1;
+#else
+#error
+#endif
+ u8 params[2];
+ u8 reserved4;
+ u8 reserved5[8];
+};
+
+static_assert(sizeof(struct scsi_io_group_descriptor) == 16);
+
+/* SCSI stream status descriptor */
+struct scsi_stream_status {
+#if defined(__BIG_ENDIAN)
+ u8 perm: 1;
+ u8 reserved1: 7;
+#elif defined(__LITTLE_ENDIAN)
+ u8 reserved1: 7;
+ u8 perm: 1;
+#else
+#error
+#endif
+ u8 reserved2;
+ __be16 stream_identifier;
+#if defined(__BIG_ENDIAN)
+ u8 reserved3: 2;
+ u8 rel_lifetime: 6;
+#elif defined(__LITTLE_ENDIAN)
+ u8 rel_lifetime: 6;
+ u8 reserved3: 2;
+#else
+#error
+#endif
+ u8 reserved4[3];
+};
+
+static_assert(sizeof(struct scsi_stream_status) == 8);
+
+/* GET STREAM STATUS parameter data */
+struct scsi_stream_status_header {
+ __be32 len; /* length in bytes of stream_status[] array. */
+ u16 reserved;
+ __be16 number_of_open_streams;
+ DECLARE_FLEX_ARRAY(struct scsi_stream_status, stream_status);
+};
+
+static_assert(sizeof(struct scsi_stream_status_header) == 8);
+
/* SPC asymmetric access states */
#define SCSI_ACCESS_STATE_OPTIMAL 0x00
#define SCSI_ACCESS_STATE_ACTIVE 0x01
--
GitLab
From 4f53138fffc2b18396859aa4ff3e7ef2b0839c2b Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 30 Jan 2024 13:48:37 -0800
Subject: [PATCH 0689/2686] scsi: sd: Translate data lifetime information
Recently T10 standardized SBC constrained streams. This mechanism allows to
pass data lifetime information to SCSI devices in the group number field.
Add support for translating write hint information into a permanent stream
number in the sd driver. Use WRITE(10) instead of WRITE(6) if data lifetime
information is present because the WRITE(6) command does not have a GROUP
NUMBER field.
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240130214911.1863909-12-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/sd.c | 98 +++++++++++++++++++++++++++++++++++++++++++++--
drivers/scsi/sd.h | 4 +-
2 files changed, 98 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 86b819fa04d90..bce5b13b020b5 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -47,6 +47,7 @@
#include <linux/blkpg.h>
#include <linux/blk-pm.h>
#include <linux/delay.h>
+#include <linux/rw_hint.h>
#include <linux/major.h>
#include <linux/mutex.h>
#include <linux/string_helpers.h>
@@ -1080,12 +1081,38 @@ static blk_status_t sd_setup_flush_cmnd(struct scsi_cmnd *cmd)
return BLK_STS_OK;
}
+/**
+ * sd_group_number() - Compute the GROUP NUMBER field
+ * @cmd: SCSI command for which to compute the value of the six-bit GROUP NUMBER
+ * field.
+ *
+ * From SBC-5 r05 (https://www.t10.org/cgi-bin/ac.pl?t=f&f=sbc5r05.pdf):
+ * 0: no relative lifetime.
+ * 1: shortest relative lifetime.
+ * 2: second shortest relative lifetime.
+ * 3 - 0x3d: intermediate relative lifetimes.
+ * 0x3e: second longest relative lifetime.
+ * 0x3f: longest relative lifetime.
+ */
+static u8 sd_group_number(struct scsi_cmnd *cmd)
+{
+ const struct request *rq = scsi_cmd_to_rq(cmd);
+ struct scsi_disk *sdkp = scsi_disk(rq->q->disk);
+
+ if (!sdkp->rscs)
+ return 0;
+
+ return min3((u32)rq->write_hint, (u32)sdkp->permanent_stream_count,
+ 0x3fu);
+}
+
static blk_status_t sd_setup_rw32_cmnd(struct scsi_cmnd *cmd, bool write,
sector_t lba, unsigned int nr_blocks,
unsigned char flags, unsigned int dld)
{
cmd->cmd_len = SD_EXT_CDB_SIZE;
cmd->cmnd[0] = VARIABLE_LENGTH_CMD;
+ cmd->cmnd[6] = sd_group_number(cmd);
cmd->cmnd[7] = 0x18; /* Additional CDB len */
cmd->cmnd[9] = write ? WRITE_32 : READ_32;
cmd->cmnd[10] = flags;
@@ -1104,7 +1131,7 @@ static blk_status_t sd_setup_rw16_cmnd(struct scsi_cmnd *cmd, bool write,
cmd->cmd_len = 16;
cmd->cmnd[0] = write ? WRITE_16 : READ_16;
cmd->cmnd[1] = flags | ((dld >> 2) & 0x01);
- cmd->cmnd[14] = (dld & 0x03) << 6;
+ cmd->cmnd[14] = ((dld & 0x03) << 6) | sd_group_number(cmd);
cmd->cmnd[15] = 0;
put_unaligned_be64(lba, &cmd->cmnd[2]);
put_unaligned_be32(nr_blocks, &cmd->cmnd[10]);
@@ -1119,7 +1146,7 @@ static blk_status_t sd_setup_rw10_cmnd(struct scsi_cmnd *cmd, bool write,
cmd->cmd_len = 10;
cmd->cmnd[0] = write ? WRITE_10 : READ_10;
cmd->cmnd[1] = flags;
- cmd->cmnd[6] = 0;
+ cmd->cmnd[6] = sd_group_number(cmd);
cmd->cmnd[9] = 0;
put_unaligned_be32(lba, &cmd->cmnd[2]);
put_unaligned_be16(nr_blocks, &cmd->cmnd[7]);
@@ -1256,7 +1283,7 @@ static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *cmd)
ret = sd_setup_rw16_cmnd(cmd, write, lba, nr_blocks,
protect | fua, dld);
} else if ((nr_blocks > 0xff) || (lba > 0x1fffff) ||
- sdp->use_10_for_rw || protect) {
+ sdp->use_10_for_rw || protect || rq->write_hint) {
ret = sd_setup_rw10_cmnd(cmd, write, lba, nr_blocks,
protect | fua);
} else {
@@ -3001,6 +3028,70 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer)
sdkp->DPOFUA = 0;
}
+static bool sd_is_perm_stream(struct scsi_disk *sdkp, unsigned int stream_id)
+{
+ u8 cdb[16] = { SERVICE_ACTION_IN_16, SAI_GET_STREAM_STATUS };
+ struct {
+ struct scsi_stream_status_header h;
+ struct scsi_stream_status s;
+ } buf;
+ struct scsi_device *sdev = sdkp->device;
+ struct scsi_sense_hdr sshdr;
+ const struct scsi_exec_args exec_args = {
+ .sshdr = &sshdr,
+ };
+ int res;
+
+ put_unaligned_be16(stream_id, &cdb[4]);
+ put_unaligned_be32(sizeof(buf), &cdb[10]);
+
+ res = scsi_execute_cmd(sdev, cdb, REQ_OP_DRV_IN, &buf, sizeof(buf),
+ SD_TIMEOUT, sdkp->max_retries, &exec_args);
+ if (res < 0)
+ return false;
+ if (scsi_status_is_check_condition(res) && scsi_sense_valid(&sshdr))
+ sd_print_sense_hdr(sdkp, &sshdr);
+ if (res)
+ return false;
+ if (get_unaligned_be32(&buf.h.len) < sizeof(struct scsi_stream_status))
+ return false;
+ return buf.h.stream_status[0].perm;
+}
+
+static void sd_read_io_hints(struct scsi_disk *sdkp, unsigned char *buffer)
+{
+ struct scsi_device *sdp = sdkp->device;
+ const struct scsi_io_group_descriptor *desc, *start, *end;
+ struct scsi_sense_hdr sshdr;
+ struct scsi_mode_data data;
+ int res;
+
+ res = scsi_mode_sense(sdp, /*dbd=*/0x8, /*modepage=*/0x0a,
+ /*subpage=*/0x05, buffer, SD_BUF_SIZE, SD_TIMEOUT,
+ sdkp->max_retries, &data, &sshdr);
+ if (res < 0)
+ return;
+ start = (void *)buffer + data.header_length + 16;
+ end = (void *)buffer + ALIGN_DOWN(data.header_length + data.length,
+ sizeof(*end));
+ /*
+ * From "SBC-5 Constrained Streams with Data Lifetimes": Device severs
+ * should assign the lowest numbered stream identifiers to permanent
+ * streams.
+ */
+ for (desc = start; desc < end; desc++)
+ if (!desc->st_enble || !sd_is_perm_stream(sdkp, desc - start))
+ break;
+ sdkp->permanent_stream_count = desc - start;
+ if (sdkp->rscs && sdkp->permanent_stream_count < 2)
+ sd_printk(KERN_INFO, sdkp,
+ "Unexpected: RSCS has been set and the permanent stream count is %u\n",
+ sdkp->permanent_stream_count);
+ else if (sdkp->permanent_stream_count)
+ sd_printk(KERN_INFO, sdkp, "permanent stream count = %d\n",
+ sdkp->permanent_stream_count);
+}
+
/*
* The ATO bit indicates whether the DIF application tag is available
* for use by the operating system.
@@ -3481,6 +3572,7 @@ static int sd_revalidate_disk(struct gendisk *disk)
sd_read_write_protect_flag(sdkp, buffer);
sd_read_cache_type(sdkp, buffer);
+ sd_read_io_hints(sdkp, buffer);
sd_read_app_tag_own(sdkp, buffer);
sd_read_write_same(sdkp, buffer);
sd_read_security(sdkp, buffer);
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index e4539122f2a24..5c4285a582b22 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -125,6 +125,8 @@ struct scsi_disk {
unsigned int physical_block_size;
unsigned int max_medium_access_timeouts;
unsigned int medium_access_timed_out;
+ /* number of permanent streams */
+ u16 permanent_stream_count;
u8 media_present;
u8 write_prot;
u8 protection_type;/* Data Integrity Field */
@@ -151,7 +153,7 @@ struct scsi_disk {
unsigned urswrz : 1;
unsigned security : 1;
unsigned ignore_medium_access_errors : 1;
- bool rscs : 1; /* reduced stream control support */
+ unsigned rscs : 1; /* reduced stream control support */
};
#define to_scsi_disk(obj) container_of(obj, struct scsi_disk, disk_dev)
--
GitLab
From a5fe98eb8f630f3ad3d1d5c16374621e8c0cd702 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 30 Jan 2024 13:48:38 -0800
Subject: [PATCH 0690/2686] scsi: scsi_debug: Reduce code duplication
All VPD pages have the page code in byte one. Reduce code duplication by
storing the VPD page code once.
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240130214911.1863909-13-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/scsi_debug.c | 16 ++--------------
1 file changed, 2 insertions(+), 14 deletions(-)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index d03d66f114930..994a2b829b944 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -1903,7 +1903,8 @@ static int resp_inquiry(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
u32 len;
char lu_id_str[6];
int host_no = devip->sdbg_host->shost->host_no;
-
+
+ arr[1] = cmd[2];
port_group_id = (((host_no + 1) & 0x7f) << 8) +
(devip->channel & 0x7f);
if (sdebug_vpd_use_hostno == 0)
@@ -1914,7 +1915,6 @@ static int resp_inquiry(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
(devip->target * 1000) - 3;
len = scnprintf(lu_id_str, 6, "%d", lu_id_num);
if (0 == cmd[2]) { /* supported vital product data pages */
- arr[1] = cmd[2]; /*sanity */
n = 4;
arr[n++] = 0x0; /* this page */
arr[n++] = 0x80; /* unit serial number */
@@ -1935,23 +1935,18 @@ static int resp_inquiry(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
}
arr[3] = n - 4; /* number of supported VPD pages */
} else if (0x80 == cmd[2]) { /* unit serial number */
- arr[1] = cmd[2]; /*sanity */
arr[3] = len;
memcpy(&arr[4], lu_id_str, len);
} else if (0x83 == cmd[2]) { /* device identification */
- arr[1] = cmd[2]; /*sanity */
arr[3] = inquiry_vpd_83(&arr[4], port_group_id,
target_dev_id, lu_id_num,
lu_id_str, len,
&devip->lu_name);
} else if (0x84 == cmd[2]) { /* Software interface ident. */
- arr[1] = cmd[2]; /*sanity */
arr[3] = inquiry_vpd_84(&arr[4]);
} else if (0x85 == cmd[2]) { /* Management network addresses */
- arr[1] = cmd[2]; /*sanity */
arr[3] = inquiry_vpd_85(&arr[4]);
} else if (0x86 == cmd[2]) { /* extended inquiry */
- arr[1] = cmd[2]; /*sanity */
arr[3] = 0x3c; /* number of following entries */
if (sdebug_dif == T10_PI_TYPE3_PROTECTION)
arr[4] = 0x4; /* SPT: GRD_CHK:1 */
@@ -1961,30 +1956,23 @@ static int resp_inquiry(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
arr[4] = 0x0; /* no protection stuff */
arr[5] = 0x7; /* head of q, ordered + simple q's */
} else if (0x87 == cmd[2]) { /* mode page policy */
- arr[1] = cmd[2]; /*sanity */
arr[3] = 0x8; /* number of following entries */
arr[4] = 0x2; /* disconnect-reconnect mp */
arr[6] = 0x80; /* mlus, shared */
arr[8] = 0x18; /* protocol specific lu */
arr[10] = 0x82; /* mlus, per initiator port */
} else if (0x88 == cmd[2]) { /* SCSI Ports */
- arr[1] = cmd[2]; /*sanity */
arr[3] = inquiry_vpd_88(&arr[4], target_dev_id);
} else if (is_disk_zbc && 0x89 == cmd[2]) { /* ATA info */
- arr[1] = cmd[2]; /*sanity */
n = inquiry_vpd_89(&arr[4]);
put_unaligned_be16(n, arr + 2);
} else if (is_disk_zbc && 0xb0 == cmd[2]) { /* Block limits */
- arr[1] = cmd[2]; /*sanity */
arr[3] = inquiry_vpd_b0(&arr[4]);
} else if (is_disk_zbc && 0xb1 == cmd[2]) { /* Block char. */
- arr[1] = cmd[2]; /*sanity */
arr[3] = inquiry_vpd_b1(devip, &arr[4]);
} else if (is_disk && 0xb2 == cmd[2]) { /* LB Prov. */
- arr[1] = cmd[2]; /*sanity */
arr[3] = inquiry_vpd_b2(&arr[4]);
} else if (is_zbc && cmd[2] == 0xb6) { /* ZB dev. charact. */
- arr[1] = cmd[2]; /*sanity */
arr[3] = inquiry_vpd_b6(devip, &arr[4]);
} else {
mk_sense_invalid_fld(scp, SDEB_IN_CDB, 2, -1);
--
GitLab
From b1e5c0b34db8e7dac04af618e53c64e70c86aac8 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 30 Jan 2024 13:48:39 -0800
Subject: [PATCH 0691/2686] scsi: scsi_debug: Support the block limits
extension VPD page
>From SBC-5 r05:
"Reduced stream control:
a) reduces the maximum number of streams that the device server supports;
and
b) increases the number of write commands that are able to specify a stream
to be written in any write command that contains the GROUP NUMBER field
in its CDB.
If the RSCS bit (see 6.6.5) is set to one, then the device server shall:
a) support per group stream identifier usage as described in 4.32.2;
b) support the IO Advice Hints Grouping mode page (see 6.5.7); and
c) set the MAXIMUM NUMBER OF STREAMS field (see 6.6.5) to a value that is
less than 64.
Device servers that set the RSCS bit to one may support other features
(e.g., permanent streams (see 4.32.4)).
4.32.4 Permanent streams
A permanent stream is a stream for which the device server does not allow
closing or otherwise modifying the configuration of that stream. The PERM
bit (see 5.9.2.3) indicates whether a stream is a permanent stream. If a
STREAM CONTROL command (see 5.32) specifies the closing of a permanent
stream, the device server terminates that command with CHECK CONDITION
status instead of closing the specified stream. A permanent stream is always
an open stream. Device severs should assign the lowest numbered stream
identifiers to permanent streams."
Report that reduced stream control is supported.
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240130214911.1863909-14-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/scsi_debug.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 994a2b829b944..8dba838ef983f 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -1867,6 +1867,19 @@ static int inquiry_vpd_b6(struct sdebug_dev_info *devip, unsigned char *arr)
return 0x3c;
}
+#define SDEBUG_BLE_LEN_AFTER_B4 28 /* thus vpage 32 bytes long */
+
+enum { MAXIMUM_NUMBER_OF_STREAMS = 6, PERMANENT_STREAM_COUNT = 5 };
+
+/* Block limits extension VPD page (SBC-4) */
+static int inquiry_vpd_b7(unsigned char *arrb4)
+{
+ memset(arrb4, 0, SDEBUG_BLE_LEN_AFTER_B4);
+ arrb4[1] = 1; /* Reduced stream control support (RSCS) */
+ put_unaligned_be16(MAXIMUM_NUMBER_OF_STREAMS, &arrb4[2]);
+ return SDEBUG_BLE_LEN_AFTER_B4;
+}
+
#define SDEBUG_LONG_INQ_SZ 96
#define SDEBUG_MAX_INQ_ARR_SZ 584
@@ -1932,6 +1945,7 @@ static int resp_inquiry(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
arr[n++] = 0xb2; /* LB Provisioning */
if (is_zbc)
arr[n++] = 0xb6; /* ZB dev. char. */
+ arr[n++] = 0xb7; /* Block limits extension */
}
arr[3] = n - 4; /* number of supported VPD pages */
} else if (0x80 == cmd[2]) { /* unit serial number */
@@ -1974,6 +1988,8 @@ static int resp_inquiry(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
arr[3] = inquiry_vpd_b2(&arr[4]);
} else if (is_zbc && cmd[2] == 0xb6) { /* ZB dev. charact. */
arr[3] = inquiry_vpd_b6(devip, &arr[4]);
+ } else if (cmd[2] == 0xb7) { /* block limits extension page */
+ arr[3] = inquiry_vpd_b7(&arr[4]);
} else {
mk_sense_invalid_fld(scp, SDEB_IN_CDB, 2, -1);
kfree(arr);
--
GitLab
From b2f860903fe9774f755a917edc674ba6e879fa55 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 30 Jan 2024 13:48:40 -0800
Subject: [PATCH 0692/2686] scsi: scsi_debug: Rework page code error handling
Instead of tracking whether or not the page code is valid in a boolean
variable, jump to error handling code if an unsupported page code is
encountered.
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240130214911.1863909-15-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/scsi_debug.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 8dba838ef983f..ba0a29e6a86df 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -2644,7 +2644,7 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
unsigned char *ap;
unsigned char arr[SDEBUG_MAX_MSENSE_SZ];
unsigned char *cmd = scp->cmnd;
- bool dbd, llbaa, msense_6, is_disk, is_zbc, bad_pcode;
+ bool dbd, llbaa, msense_6, is_disk, is_zbc;
dbd = !!(cmd[1] & 0x8); /* disable block descriptors */
pcontrol = (cmd[2] & 0xc0) >> 6;
@@ -2708,7 +2708,6 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
mk_sense_invalid_fld(scp, SDEB_IN_CDB, 3, -1);
return check_condition_result;
}
- bad_pcode = false;
switch (pcode) {
case 0x1: /* Read-Write error recovery page, direct access */
@@ -2723,15 +2722,17 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
if (is_disk) {
len = resp_format_pg(ap, pcontrol, target);
offset += len;
- } else
- bad_pcode = true;
+ } else {
+ goto bad_pcode;
+ }
break;
case 0x8: /* Caching page, direct access */
if (is_disk || is_zbc) {
len = resp_caching_pg(ap, pcontrol, target);
offset += len;
- } else
- bad_pcode = true;
+ } else {
+ goto bad_pcode;
+ }
break;
case 0xa: /* Control Mode page, all devices */
len = resp_ctrl_m_pg(ap, pcontrol, target);
@@ -2784,18 +2785,17 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
}
break;
default:
- bad_pcode = true;
- break;
- }
- if (bad_pcode) {
- mk_sense_invalid_fld(scp, SDEB_IN_CDB, 2, 5);
- return check_condition_result;
+ goto bad_pcode;
}
if (msense_6)
arr[0] = offset - 1;
else
put_unaligned_be16((offset - 2), arr + 0);
return fill_from_dev_buffer(scp, arr, min_t(u32, alloc_len, offset));
+
+bad_pcode:
+ mk_sense_invalid_fld(scp, SDEB_IN_CDB, 2, 5);
+ return check_condition_result;
}
#define SDEBUG_MAX_MSELECT_SZ 512
--
GitLab
From f19c3e4fe2542d7b145d294386666958c9fabe17 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 30 Jan 2024 13:48:41 -0800
Subject: [PATCH 0693/2686] scsi: scsi_debug: Rework subpage code error
handling
Move the subpage code checks into the switch statement to make it easier
to add support for new page code / subpage code combinations.
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240130214911.1863909-16-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/scsi_debug.c | 70 ++++++++++++++++++++-------------------
1 file changed, 36 insertions(+), 34 deletions(-)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index ba0a29e6a86df..67a8e6243e5e2 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -2703,22 +2703,22 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
ap = arr + offset;
}
- if ((subpcode > 0x0) && (subpcode < 0xff) && (0x19 != pcode)) {
- /* TODO: Control Extension page */
- mk_sense_invalid_fld(scp, SDEB_IN_CDB, 3, -1);
- return check_condition_result;
- }
-
switch (pcode) {
case 0x1: /* Read-Write error recovery page, direct access */
+ if (subpcode > 0x0 && subpcode < 0xff)
+ goto bad_subpcode;
len = resp_err_recov_pg(ap, pcontrol, target);
offset += len;
break;
case 0x2: /* Disconnect-Reconnect page, all devices */
+ if (subpcode > 0x0 && subpcode < 0xff)
+ goto bad_subpcode;
len = resp_disconnect_pg(ap, pcontrol, target);
offset += len;
break;
case 0x3: /* Format device page, direct access */
+ if (subpcode > 0x0 && subpcode < 0xff)
+ goto bad_subpcode;
if (is_disk) {
len = resp_format_pg(ap, pcontrol, target);
offset += len;
@@ -2727,6 +2727,8 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
}
break;
case 0x8: /* Caching page, direct access */
+ if (subpcode > 0x0 && subpcode < 0xff)
+ goto bad_subpcode;
if (is_disk || is_zbc) {
len = resp_caching_pg(ap, pcontrol, target);
offset += len;
@@ -2735,14 +2737,14 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
}
break;
case 0xa: /* Control Mode page, all devices */
+ if (subpcode > 0x0 && subpcode < 0xff)
+ goto bad_subpcode;
len = resp_ctrl_m_pg(ap, pcontrol, target);
offset += len;
break;
case 0x19: /* if spc==1 then sas phy, control+discover */
- if ((subpcode > 0x2) && (subpcode < 0xff)) {
- mk_sense_invalid_fld(scp, SDEB_IN_CDB, 3, -1);
- return check_condition_result;
- }
+ if (subpcode > 0x2 && subpcode < 0xff)
+ goto bad_subpcode;
len = 0;
if ((0x0 == subpcode) || (0xff == subpcode))
len += resp_sas_sf_m_pg(ap + len, pcontrol, target);
@@ -2754,35 +2756,31 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
offset += len;
break;
case 0x1c: /* Informational Exceptions Mode page, all devices */
+ if (subpcode > 0x0 && subpcode < 0xff)
+ goto bad_subpcode;
len = resp_iec_m_pg(ap, pcontrol, target);
offset += len;
break;
case 0x3f: /* Read all Mode pages */
- if ((0 == subpcode) || (0xff == subpcode)) {
- len = resp_err_recov_pg(ap, pcontrol, target);
- len += resp_disconnect_pg(ap + len, pcontrol, target);
- if (is_disk) {
- len += resp_format_pg(ap + len, pcontrol,
- target);
- len += resp_caching_pg(ap + len, pcontrol,
- target);
- } else if (is_zbc) {
- len += resp_caching_pg(ap + len, pcontrol,
- target);
- }
- len += resp_ctrl_m_pg(ap + len, pcontrol, target);
- len += resp_sas_sf_m_pg(ap + len, pcontrol, target);
- if (0xff == subpcode) {
- len += resp_sas_pcd_m_spg(ap + len, pcontrol,
- target, target_dev_id);
- len += resp_sas_sha_m_spg(ap + len, pcontrol);
- }
- len += resp_iec_m_pg(ap + len, pcontrol, target);
- offset += len;
- } else {
- mk_sense_invalid_fld(scp, SDEB_IN_CDB, 3, -1);
- return check_condition_result;
+ if (subpcode > 0x0 && subpcode < 0xff)
+ goto bad_subpcode;
+ len = resp_err_recov_pg(ap, pcontrol, target);
+ len += resp_disconnect_pg(ap + len, pcontrol, target);
+ if (is_disk) {
+ len += resp_format_pg(ap + len, pcontrol, target);
+ len += resp_caching_pg(ap + len, pcontrol, target);
+ } else if (is_zbc) {
+ len += resp_caching_pg(ap + len, pcontrol, target);
+ }
+ len += resp_ctrl_m_pg(ap + len, pcontrol, target);
+ len += resp_sas_sf_m_pg(ap + len, pcontrol, target);
+ if (0xff == subpcode) {
+ len += resp_sas_pcd_m_spg(ap + len, pcontrol, target,
+ target_dev_id);
+ len += resp_sas_sha_m_spg(ap + len, pcontrol);
}
+ len += resp_iec_m_pg(ap + len, pcontrol, target);
+ offset += len;
break;
default:
goto bad_pcode;
@@ -2796,6 +2794,10 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
bad_pcode:
mk_sense_invalid_fld(scp, SDEB_IN_CDB, 2, 5);
return check_condition_result;
+
+bad_subpcode:
+ mk_sense_invalid_fld(scp, SDEB_IN_CDB, 3, -1);
+ return check_condition_result;
}
#define SDEBUG_MAX_MSELECT_SZ 512
--
GitLab
From b952eb270df38bc0d930a1ef965666ecf54a2097 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 30 Jan 2024 13:48:42 -0800
Subject: [PATCH 0694/2686] scsi: scsi_debug: Allocate the MODE SENSE response
from the heap
Make the MODE SENSE response buffer larger and allocate it from the heap.
This patch prepares for adding support for the IO Advice Hints Grouping
mode page.
Suggested-by: Douglas Gilbert <dgilbert@interlog.com>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240130214911.1863909-17-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/scsi_debug.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 67a8e6243e5e2..b544498324f6c 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -43,6 +43,7 @@
#include <linux/prefetch.h>
#include <linux/debugfs.h>
#include <linux/async.h>
+#include <linux/cleanup.h>
#include <net/checksum.h>
@@ -2631,7 +2632,8 @@ static int resp_sas_sha_m_spg(unsigned char *p, int pcontrol)
return sizeof(sas_sha_m_pg);
}
-#define SDEBUG_MAX_MSENSE_SZ 256
+/* PAGE_SIZE is more than necessary but provides room for future expansion. */
+#define SDEBUG_MAX_MSENSE_SZ PAGE_SIZE
static int resp_mode_sense(struct scsi_cmnd *scp,
struct sdebug_dev_info *devip)
@@ -2642,10 +2644,13 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
int target_dev_id;
int target = scp->device->id;
unsigned char *ap;
- unsigned char arr[SDEBUG_MAX_MSENSE_SZ];
+ unsigned char *arr __free(kfree);
unsigned char *cmd = scp->cmnd;
bool dbd, llbaa, msense_6, is_disk, is_zbc;
+ arr = kzalloc(SDEBUG_MAX_MSENSE_SZ, GFP_ATOMIC);
+ if (!arr)
+ return -ENOMEM;
dbd = !!(cmd[1] & 0x8); /* disable block descriptors */
pcontrol = (cmd[2] & 0xc0) >> 6;
pcode = cmd[2] & 0x3f;
--
GitLab
From f8ab2710177a762ce0f9b8426f9fc292394949df Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 30 Jan 2024 13:48:43 -0800
Subject: [PATCH 0695/2686] scsi: scsi_debug: Implement the IO Advice Hints
Grouping mode page
Implement an IO Advice Hints Grouping mode page with three permanent
streams. A permanent stream is a stream for which the device server does
not allow closing or otherwise modifying the configuration of that
stream. The stream identifier enable (ST_ENBLE) bit specifies whether
the stream identifier may be used in the GROUP NUMBER field of SCSI
WRITE commands.
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240130214911.1863909-18-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/scsi_debug.c | 61 +++++++++++++++++++++++++++++++++++++--
1 file changed, 58 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index b544498324f6c..ccf59b3e76021 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -1969,7 +1969,11 @@ static int resp_inquiry(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
arr[4] = 0x5; /* SPT: GRD_CHK:1, REF_CHK:1 */
else
arr[4] = 0x0; /* no protection stuff */
- arr[5] = 0x7; /* head of q, ordered + simple q's */
+ /*
+ * GROUP_SUP=1; HEADSUP=1 (HEAD OF QUEUE); ORDSUP=1
+ * (ORDERED queuing); SIMPSUP=1 (SIMPLE queuing).
+ */
+ arr[5] = 0x17;
} else if (0x87 == cmd[2]) { /* mode page policy */
arr[3] = 0x8; /* number of following entries */
arr[4] = 0x2; /* disconnect-reconnect mp */
@@ -2559,6 +2563,40 @@ static int resp_ctrl_m_pg(unsigned char *p, int pcontrol, int target)
return sizeof(ctrl_m_pg);
}
+/* IO Advice Hints Grouping mode page */
+static int resp_grouping_m_pg(unsigned char *p, int pcontrol, int target)
+{
+ /* IO Advice Hints Grouping mode page */
+ struct grouping_m_pg {
+ u8 page_code; /* OR 0x40 when subpage_code > 0 */
+ u8 subpage_code;
+ __be16 page_length;
+ u8 reserved[12];
+ struct scsi_io_group_descriptor descr[MAXIMUM_NUMBER_OF_STREAMS];
+ };
+ static const struct grouping_m_pg gr_m_pg = {
+ .page_code = 0xa | 0x40,
+ .subpage_code = 5,
+ .page_length = cpu_to_be16(sizeof(gr_m_pg) - 4),
+ .descr = {
+ { .st_enble = 1 },
+ { .st_enble = 1 },
+ { .st_enble = 1 },
+ { .st_enble = 1 },
+ { .st_enble = 1 },
+ { .st_enble = 0 },
+ }
+ };
+
+ BUILD_BUG_ON(sizeof(struct grouping_m_pg) !=
+ 16 + MAXIMUM_NUMBER_OF_STREAMS * 16);
+ memcpy(p, &gr_m_pg, sizeof(gr_m_pg));
+ if (1 == pcontrol) {
+ /* There are no changeable values so clear from byte 4 on. */
+ memset(p + 4, 0, sizeof(gr_m_pg) - 4);
+ }
+ return sizeof(gr_m_pg);
+}
static int resp_iec_m_pg(unsigned char *p, int pcontrol, int target)
{ /* Informational Exceptions control mode page for mode_sense */
@@ -2708,6 +2746,10 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
ap = arr + offset;
}
+ /*
+ * N.B. If len>0 before resp_*_pg() call, then form of that call should be:
+ * len += resp_*_pg(ap + len, pcontrol, target);
+ */
switch (pcode) {
case 0x1: /* Read-Write error recovery page, direct access */
if (subpcode > 0x0 && subpcode < 0xff)
@@ -2742,9 +2784,20 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
}
break;
case 0xa: /* Control Mode page, all devices */
- if (subpcode > 0x0 && subpcode < 0xff)
+ switch (subpcode) {
+ case 0:
+ len = resp_ctrl_m_pg(ap, pcontrol, target);
+ break;
+ case 0x05:
+ len = resp_grouping_m_pg(ap, pcontrol, target);
+ break;
+ case 0xff:
+ len = resp_ctrl_m_pg(ap, pcontrol, target);
+ len += resp_grouping_m_pg(ap + len, pcontrol, target);
+ break;
+ default:
goto bad_subpcode;
- len = resp_ctrl_m_pg(ap, pcontrol, target);
+ }
offset += len;
break;
case 0x19: /* if spc==1 then sas phy, control+discover */
@@ -2778,6 +2831,8 @@ static int resp_mode_sense(struct scsi_cmnd *scp,
len += resp_caching_pg(ap + len, pcontrol, target);
}
len += resp_ctrl_m_pg(ap + len, pcontrol, target);
+ if (0xff == subpcode)
+ len += resp_grouping_m_pg(ap + len, pcontrol, target);
len += resp_sas_sf_m_pg(ap + len, pcontrol, target);
if (0xff == subpcode) {
len += resp_sas_pcd_m_spg(ap + len, pcontrol, target,
--
GitLab
From ad620becda436fc02e50e5f6fe01de1d1f3794c9 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 30 Jan 2024 13:48:44 -0800
Subject: [PATCH 0696/2686] scsi: scsi_debug: Implement GET STREAM STATUS
Implement the GET STREAM STATUS SCSI command. Report that the first
five stream indexes correspond to permanent streams.
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240130214911.1863909-19-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/scsi_debug.c | 50 +++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index ccf59b3e76021..497045e54300e 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -533,6 +533,8 @@ static int resp_write_scat(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_start_stop(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_readcap16(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_get_lba_status(struct scsi_cmnd *, struct sdebug_dev_info *);
+static int resp_get_stream_status(struct scsi_cmnd *scp,
+ struct sdebug_dev_info *devip);
static int resp_report_tgtpgs(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_unmap(struct scsi_cmnd *, struct sdebug_dev_info *);
static int resp_rsup_opcodes(struct scsi_cmnd *, struct sdebug_dev_info *);
@@ -607,6 +609,9 @@ static const struct opcode_info_t sa_in_16_iarr[] = {
{0, 0x9e, 0x12, F_SA_LOW | F_D_IN, resp_get_lba_status, NULL,
{16, 0x12, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0, 0xc7} }, /* GET LBA STATUS(16) */
+ {0, 0x9e, 0x16, F_SA_LOW | F_D_IN, resp_get_stream_status, NULL,
+ {16, 0x16, 0, 0, 0xff, 0xff, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff,
+ 0, 0} }, /* GET STREAM STATUS */
};
static const struct opcode_info_t vl_iarr[] = { /* VARIABLE LENGTH */
@@ -4573,6 +4578,51 @@ static int resp_get_lba_status(struct scsi_cmnd *scp,
return fill_from_dev_buffer(scp, arr, SDEBUG_GET_LBA_STATUS_LEN);
}
+static int resp_get_stream_status(struct scsi_cmnd *scp,
+ struct sdebug_dev_info *devip)
+{
+ u16 starting_stream_id, stream_id;
+ const u8 *cmd = scp->cmnd;
+ u32 alloc_len, offset;
+ u8 arr[256] = {};
+ struct scsi_stream_status_header *h = (void *)arr;
+
+ starting_stream_id = get_unaligned_be16(cmd + 4);
+ alloc_len = get_unaligned_be32(cmd + 10);
+
+ if (alloc_len < 8) {
+ mk_sense_invalid_fld(scp, SDEB_IN_CDB, 10, -1);
+ return check_condition_result;
+ }
+
+ if (starting_stream_id >= MAXIMUM_NUMBER_OF_STREAMS) {
+ mk_sense_invalid_fld(scp, SDEB_IN_CDB, 4, -1);
+ return check_condition_result;
+ }
+
+ /*
+ * The GET STREAM STATUS command only reports status information
+ * about open streams. Treat the non-permanent stream as open.
+ */
+ put_unaligned_be16(MAXIMUM_NUMBER_OF_STREAMS,
+ &h->number_of_open_streams);
+
+ for (offset = 8, stream_id = starting_stream_id;
+ offset + 8 <= min_t(u32, alloc_len, sizeof(arr)) &&
+ stream_id < MAXIMUM_NUMBER_OF_STREAMS;
+ offset += 8, stream_id++) {
+ struct scsi_stream_status *stream_status = (void *)arr + offset;
+
+ stream_status->perm = stream_id < PERMANENT_STREAM_COUNT;
+ put_unaligned_be16(stream_id,
+ &stream_status->stream_identifier);
+ stream_status->rel_lifetime = stream_id + 1;
+ }
+ put_unaligned_be32(offset - 8, &h->len); /* PARAMETER DATA LENGTH */
+
+ return fill_from_dev_buffer(scp, arr, min(offset, alloc_len));
+}
+
static int resp_sync_cache(struct scsi_cmnd *scp,
struct sdebug_dev_info *devip)
{
--
GitLab
From af180c0880f9df14be31807f0bb0fa6f0d34a943 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 30 Jan 2024 13:48:45 -0800
Subject: [PATCH 0697/2686] scsi: scsi_debug: Maintain write statistics per
group number
Track per GROUP NUMBER how many write commands have been processed. Make
this information available in sysfs. Reset these statistics if any data
is written into the sysfs attribute.
Note: SCSI devices should only interpret the information in the GROUP
NUMBER field as a stream identifier if the ST_ENBLE bit has been set to
one. This patch follows a simpler approach: count the number of writes
per GROUP NUMBER whether or not the group number represents a stream
identifier.
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240130214911.1863909-20-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/scsi_debug.c | 49 +++++++++++++++++++++++++++++++++++----
1 file changed, 45 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 497045e54300e..ce52d580d1aa7 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -902,6 +902,8 @@ static int sdeb_zbc_nr_conv = DEF_ZBC_NR_CONV_ZONES;
static int submit_queues = DEF_SUBMIT_QUEUES; /* > 1 for multi-queue (mq) */
static int poll_queues; /* iouring iopoll interface.*/
+static atomic_long_t writes_by_group_number[64];
+
static char sdebug_proc_name[] = MY_NAME;
static const char *my_name = MY_NAME;
@@ -3377,7 +3379,8 @@ static inline struct sdeb_store_info *devip2sip(struct sdebug_dev_info *devip,
/* Returns number of bytes copied or -1 if error. */
static int do_device_access(struct sdeb_store_info *sip, struct scsi_cmnd *scp,
- u32 sg_skip, u64 lba, u32 num, bool do_write)
+ u32 sg_skip, u64 lba, u32 num, bool do_write,
+ u8 group_number)
{
int ret;
u64 block, rest = 0;
@@ -3396,6 +3399,10 @@ static int do_device_access(struct sdeb_store_info *sip, struct scsi_cmnd *scp,
return 0;
if (scp->sc_data_direction != dir)
return -1;
+
+ if (do_write && group_number < ARRAY_SIZE(writes_by_group_number))
+ atomic_long_inc(&writes_by_group_number[group_number]);
+
fsp = sip->storep;
block = do_div(lba, sdebug_store_sectors);
@@ -3769,7 +3776,7 @@ static int resp_read_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
}
}
- ret = do_device_access(sip, scp, 0, lba, num, false);
+ ret = do_device_access(sip, scp, 0, lba, num, false, 0);
sdeb_read_unlock(sip);
if (unlikely(ret == -1))
return DID_ERROR << 16;
@@ -3954,6 +3961,7 @@ static int resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
{
bool check_prot;
u32 num;
+ u8 group = 0;
u32 ei_lba;
int ret;
u64 lba;
@@ -3965,11 +3973,13 @@ static int resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
ei_lba = 0;
lba = get_unaligned_be64(cmd + 2);
num = get_unaligned_be32(cmd + 10);
+ group = cmd[14] & 0x3f;
check_prot = true;
break;
case WRITE_10:
ei_lba = 0;
lba = get_unaligned_be32(cmd + 2);
+ group = cmd[6] & 0x3f;
num = get_unaligned_be16(cmd + 7);
check_prot = true;
break;
@@ -3984,15 +3994,18 @@ static int resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
ei_lba = 0;
lba = get_unaligned_be32(cmd + 2);
num = get_unaligned_be32(cmd + 6);
+ group = cmd[6] & 0x3f;
check_prot = true;
break;
case 0x53: /* XDWRITEREAD(10) */
ei_lba = 0;
lba = get_unaligned_be32(cmd + 2);
+ group = cmd[6] & 0x1f;
num = get_unaligned_be16(cmd + 7);
check_prot = false;
break;
default: /* assume WRITE(32) */
+ group = cmd[6] & 0x3f;
lba = get_unaligned_be64(cmd + 12);
ei_lba = get_unaligned_be32(cmd + 20);
num = get_unaligned_be32(cmd + 28);
@@ -4047,7 +4060,7 @@ static int resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
}
}
- ret = do_device_access(sip, scp, 0, lba, num, true);
+ ret = do_device_access(sip, scp, 0, lba, num, true, group);
if (unlikely(scsi_debug_lbp()))
map_region(sip, lba, num);
/* If ZBC zone then bump its write pointer */
@@ -4099,12 +4112,14 @@ static int resp_write_scat(struct scsi_cmnd *scp,
u32 lb_size = sdebug_sector_size;
u32 ei_lba;
u64 lba;
+ u8 group;
int ret, res;
bool is_16;
static const u32 lrd_size = 32; /* + parameter list header size */
if (cmd[0] == VARIABLE_LENGTH_CMD) {
is_16 = false;
+ group = cmd[6] & 0x3f;
wrprotect = (cmd[10] >> 5) & 0x7;
lbdof = get_unaligned_be16(cmd + 12);
num_lrd = get_unaligned_be16(cmd + 16);
@@ -4115,6 +4130,7 @@ static int resp_write_scat(struct scsi_cmnd *scp,
lbdof = get_unaligned_be16(cmd + 4);
num_lrd = get_unaligned_be16(cmd + 8);
bt_len = get_unaligned_be32(cmd + 10);
+ group = cmd[14] & 0x3f;
if (unlikely(have_dif_prot)) {
if (sdebug_dif == T10_PI_TYPE2_PROTECTION &&
wrprotect) {
@@ -4203,7 +4219,7 @@ static int resp_write_scat(struct scsi_cmnd *scp,
}
}
- ret = do_device_access(sip, scp, sg_off, lba, num, true);
+ ret = do_device_access(sip, scp, sg_off, lba, num, true, group);
/* If ZBC zone then bump its write pointer */
if (sdebug_dev_is_zoned(devip))
zbc_inc_wp(devip, lba, num);
@@ -7298,6 +7314,30 @@ static ssize_t tur_ms_to_ready_show(struct device_driver *ddp, char *buf)
}
static DRIVER_ATTR_RO(tur_ms_to_ready);
+static ssize_t group_number_stats_show(struct device_driver *ddp, char *buf)
+{
+ char *p = buf, *end = buf + PAGE_SIZE;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(writes_by_group_number); i++)
+ p += scnprintf(p, end - p, "%d %ld\n", i,
+ atomic_long_read(&writes_by_group_number[i]));
+
+ return p - buf;
+}
+
+static ssize_t group_number_stats_store(struct device_driver *ddp,
+ const char *buf, size_t count)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(writes_by_group_number); i++)
+ atomic_long_set(&writes_by_group_number[i], 0);
+
+ return count;
+}
+static DRIVER_ATTR_RW(group_number_stats);
+
/* Note: The following array creates attribute files in the
/sys/bus/pseudo/drivers/scsi_debug directory. The advantage of these
files (over those found in the /sys/module/scsi_debug/parameters
@@ -7344,6 +7384,7 @@ static struct attribute *sdebug_drv_attrs[] = {
&driver_attr_cdb_len.attr,
&driver_attr_tur_ms_to_ready.attr,
&driver_attr_zbc.attr,
+ &driver_attr_group_number_stats.attr,
NULL,
};
ATTRIBUTE_GROUPS(sdebug_drv);
--
GitLab
From 7f6860e856062fc927127fa731288b909af797bc Mon Sep 17 00:00:00 2001
From: Mao Jinlong <quic_jinlmao@quicinc.com>
Date: Sun, 18 Feb 2024 01:43:19 -0800
Subject: [PATCH 0698/2686] dt-bindings: arm: qcom,coresight-tpdm: Rename
qcom,dsb-element-size
The unit for TPDM DSB element size is bits. So rename the property:
qcom,dsb-element-size => qcom,dsb-element-bits
This also makes it consistent with the naming for the CMB element
size property.
There is no tpdm node in any DT as of now. Make this change before
any tpdm node is added to DT.
Fixes: 2a8d9b371566 ("dt-bindings: arm: Add support for DSB element size")
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240218094322.22470-2-quic_jinlmao@quicinc.com
[ Reworded commit description to explain why we change this ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
.../devicetree/bindings/arm/qcom,coresight-tpdm.yaml | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
index d0647ffaed71e..8eec07d9d4542 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
@@ -44,12 +44,11 @@ properties:
minItems: 1
maxItems: 2
- qcom,dsb-element-size:
+ qcom,dsb-element-bits:
description:
Specifies the DSB(Discrete Single Bit) element size supported by
the monitor. The associated aggregator will read this size before it
is enabled. DSB element size currently only supports 32-bit and 64-bit.
- $ref: /schemas/types.yaml#/definitions/uint8
enum: [32, 64]
qcom,cmb-element-bits:
@@ -111,7 +110,7 @@ examples:
compatible = "qcom,coresight-tpdm", "arm,primecell";
reg = <0x0684c000 0x1000>;
- qcom,dsb-element-size = /bits/ 8 <32>;
+ qcom,dsb-element-bits = <32>;
qcom,dsb-msrs-num = <16>;
clocks = <&aoss_qmp>;
--
GitLab
From a4f3057d19ffe1f5a7b9320303471a6725f11379 Mon Sep 17 00:00:00 2001
From: Mao Jinlong <quic_jinlmao@quicinc.com>
Date: Sun, 18 Feb 2024 01:43:20 -0800
Subject: [PATCH 0699/2686] coresight-tpda: Change qcom,dsb-element-size to
qcom,dsb-elem-bits
Change qcom,dsb-element-size to qcom,dsb-elem-bits as the unit is bit.
When use "-bits" suffix, the type of the property is u32 from
property-units.yaml, so use fwnode_property_read_u32 to read the
property.
Fixes: 57e7235aa1d1 ("coresight-tpda: Add DSB dataset support")
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Link: https://lore.kernel.org/r/20240218094322.22470-3-quic_jinlmao@quicinc.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-tpda.c | 4 ++--
drivers/hwtracing/coresight/coresight-tpda.h | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-tpda.c b/drivers/hwtracing/coresight/coresight-tpda.c
index 6863afe7ca940..7739bc7adc449 100644
--- a/drivers/hwtracing/coresight/coresight-tpda.c
+++ b/drivers/hwtracing/coresight/coresight-tpda.c
@@ -69,8 +69,8 @@ static int tpdm_read_element_size(struct tpda_drvdata *drvdata,
struct tpdm_drvdata *tpdm_data = dev_get_drvdata(csdev->dev.parent);
if (tpdm_has_dsb_dataset(tpdm_data)) {
- rc = fwnode_property_read_u8(dev_fwnode(csdev->dev.parent),
- "qcom,dsb-element-size", &drvdata->dsb_esize);
+ rc = fwnode_property_read_u32(dev_fwnode(csdev->dev.parent),
+ "qcom,dsb-element-bits", &drvdata->dsb_esize);
}
if (tpdm_has_cmb_dataset(tpdm_data)) {
rc = fwnode_property_read_u32(dev_fwnode(csdev->dev.parent),
diff --git a/drivers/hwtracing/coresight/coresight-tpda.h b/drivers/hwtracing/coresight/coresight-tpda.h
index 19af64120fcfb..c6af3d2da3efe 100644
--- a/drivers/hwtracing/coresight/coresight-tpda.h
+++ b/drivers/hwtracing/coresight/coresight-tpda.h
@@ -36,7 +36,7 @@ struct tpda_drvdata {
struct coresight_device *csdev;
spinlock_t spinlock;
u8 atid;
- u8 dsb_esize;
+ u32 dsb_esize;
u32 cmb_esize;
};
--
GitLab
From 886516fae2b73a1578600e95631436785f3e44d6 Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers@google.com>
Date: Sat, 27 Jan 2024 01:00:54 -0800
Subject: [PATCH 0700/2686] RISC-V: fix check for zvkb with tip-of-tree clang
LLVM commit 8e01042da9d3 ("[RISCV] Add missing dependency check for Zvkb
(#79467)") broke the check used by the TOOLCHAIN_HAS_VECTOR_CRYPTO
kconfig symbol because it made zvkb start depending on v or zve*. Fix
this by specifying both v and zvkb when checking for support for zvkb.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240127090055.124336-1-ebiggers@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 27b1f44caa18f..0bfcfec67ed57 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -591,7 +591,7 @@ config TOOLCHAIN_HAS_ZBB
# extensions, including Zvk*, Zvbb, and Zvbc. LLVM added all of these at once.
# binutils added all except Zvkb, then added Zvkb. So we just check for Zvkb.
config TOOLCHAIN_HAS_VECTOR_CRYPTO
- def_bool $(as-instr, .option arch$(comma) +zvkb)
+ def_bool $(as-instr, .option arch$(comma) +v$(comma) +zvkb)
depends on AS_HAS_OPTION_ARCH
config RISCV_ISA_ZBB
--
GitLab
From d0dc99c0ae00f8187f40278ec72fde4f32869599 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 18 Feb 2024 17:33:16 +0000
Subject: [PATCH 0701/2686] iio: light: vl6180: Drop unused linux/of.h include
Nothing from linux/of.h is used in this driver.
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-2-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/vl6180.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/iio/light/vl6180.c b/drivers/iio/light/vl6180.c
index d4948dfc31ff1..dcadf6428a87d 100644
--- a/drivers/iio/light/vl6180.c
+++ b/drivers/iio/light/vl6180.c
@@ -20,7 +20,6 @@
#include <linux/i2c.h>
#include <linux/mutex.h>
#include <linux/err.h>
-#include <linux/of.h>
#include <linux/delay.h>
#include <linux/util_macros.h>
--
GitLab
From c7618c4fcecd3b95ff24221d3d898a058af8de9e Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 18 Feb 2024 17:33:17 +0000
Subject: [PATCH 0702/2686] iio: light: al3320a: Drop unused linux/of.h include
Nothing from linux/of.h used in this driver.
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-3-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/al3320a.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/iio/light/al3320a.c b/drivers/iio/light/al3320a.c
index d5957d85c2786..105f379b9b414 100644
--- a/drivers/iio/light/al3320a.c
+++ b/drivers/iio/light/al3320a.c
@@ -15,7 +15,6 @@
#include <linux/bitfield.h>
#include <linux/i2c.h>
#include <linux/module.h>
-#include <linux/of.h>
#include <linux/mod_devicetable.h>
#include <linux/iio/iio.h>
--
GitLab
From a5d8684fe50e2dfe59556e30996e942081759cbd Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 18 Feb 2024 17:33:18 +0000
Subject: [PATCH 0703/2686] iio: light: al3010: Switch from linux/of.h to
linux/mod_devicetable.h
The only of specific definition used is of_device_id table and that
is found in mod_devicetable.h not of.h
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-4-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/light/al3010.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/light/al3010.c b/drivers/iio/light/al3010.c
index 8f0119f392b70..53569587ccb7b 100644
--- a/drivers/iio/light/al3010.c
+++ b/drivers/iio/light/al3010.c
@@ -17,7 +17,7 @@
#include <linux/bitfield.h>
#include <linux/i2c.h>
#include <linux/module.h>
-#include <linux/of.h>
+#include <linux/mod_devicetable.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
--
GitLab
From 8ccc719ab942cd1018c6291edcd35c0d88b4bc4a Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 18 Feb 2024 17:33:19 +0000
Subject: [PATCH 0704/2686] iio: adc: ads8688: Switch to mod_devicetable.h for
struct of_device_id definition
of.h was only included to get access to this structure, so include the
correct header directly instead.
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-5-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/ti-ads8688.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/adc/ti-ads8688.c b/drivers/iio/adc/ti-ads8688.c
index ef06a897421ac..9440a268a78c4 100644
--- a/drivers/iio/adc/ti-ads8688.c
+++ b/drivers/iio/adc/ti-ads8688.c
@@ -11,7 +11,7 @@
#include <linux/regulator/consumer.h>
#include <linux/err.h>
#include <linux/module.h>
-#include <linux/of.h>
+#include <linux/mod_devicetable.h>
#include <linux/iio/iio.h>
#include <linux/iio/buffer.h>
--
GitLab
From a13c7393ee280002d68d399e1af9a3b8cd247aee Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 18 Feb 2024 17:33:20 +0000
Subject: [PATCH 0705/2686] iio: accel: adxl372: Switch from linux/of.h to
linux/mod_devicetable.h
The only of specific definition used is of_device_id table and that
is found in mod_devicetable.h not of.h
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-6-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/adxl372_spi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/accel/adxl372_spi.c b/drivers/iio/accel/adxl372_spi.c
index 75a88f16c6c90..787699773f96f 100644
--- a/drivers/iio/accel/adxl372_spi.c
+++ b/drivers/iio/accel/adxl372_spi.c
@@ -6,8 +6,8 @@
*/
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/regmap.h>
-#include <linux/of.h>
#include <linux/spi/spi.h>
#include "adxl372.h"
--
GitLab
From 22f4fae348a8059323aad78a6fa66448cb2999df Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 18 Feb 2024 17:33:21 +0000
Subject: [PATCH 0706/2686] iio: accel: bma180: Switch from linux/of.h to
linux/mod_devicetable.h
The only of specific definition used is of_device_id table and that
is found in mod_devicetable.h not of.h
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-7-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/bma180.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
index ab4fccb24b6c0..6581772cb0c46 100644
--- a/drivers/iio/accel/bma180.c
+++ b/drivers/iio/accel/bma180.c
@@ -13,10 +13,10 @@
*/
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
-#include <linux/of.h>
#include <linux/bitops.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
--
GitLab
From 1e0bda8cb8fed680f24c24c8bfc555ae3ea87fa4 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 18 Feb 2024 17:33:22 +0000
Subject: [PATCH 0707/2686] iio: accel: kxsd9: Switch from linux/of.h to
linux/mod_devicetable.h
The only of specific definition used is of_device_id table and that
is found in mod_devicetable.h not of.h
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-8-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/kxsd9-spi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/accel/kxsd9-spi.c b/drivers/iio/accel/kxsd9-spi.c
index 1719a9f1d90ad..4414670dfb436 100644
--- a/drivers/iio/accel/kxsd9-spi.c
+++ b/drivers/iio/accel/kxsd9-spi.c
@@ -1,9 +1,9 @@
// SPDX-License-Identifier: GPL-2.0-only
#include <linux/device.h>
#include <linux/kernel.h>
-#include <linux/of.h>
#include <linux/spi/spi.h>
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/slab.h>
#include <linux/regmap.h>
--
GitLab
From ffe7c46c59cf0157046f56d5cdc2206c4e78882d Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Sun, 18 Feb 2024 17:33:23 +0000
Subject: [PATCH 0708/2686] iio: dac: mcp4821: Switch to including
mod_devicetable.h for struct of_device_id definition.
of.h was only included for this definition, so include the correct header
instead.
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-9-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/dac/mcp4821.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/dac/mcp4821.c b/drivers/iio/dac/mcp4821.c
index 8a0480d338450..782e8f6b77829 100644
--- a/drivers/iio/dac/mcp4821.c
+++ b/drivers/iio/dac/mcp4821.c
@@ -17,7 +17,7 @@
*/
#include <linux/module.h>
-#include <linux/of.h>
+#include <linux/mod_devicetable.h>
#include <linux/spi/spi.h>
#include <linux/iio/iio.h>
--
GitLab
From 3b4ebff2a1a9e87d9682db1fcd00ed5a365d3b0c Mon Sep 17 00:00:00 2001
From: Sean Rhodes <sean@starlabs.systems>
Date: Sun, 18 Feb 2024 21:53:37 +0000
Subject: [PATCH 0709/2686] iio: accel: kxcjk-1013: Implement ACPI method ROTM
to retrieve mount matrix.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Implement kxj_acpi_orientation to retrieve mount matrix
from ACPI ROTM method
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Link: https://lore.kernel.org/r/19d7a10aae5238a2c8db37da1f74edb86480e17e.1708293140.git.sean@starlabs.systems
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/kxcjk-1013.c | 87 ++++++++++++++++++++++++++++++++--
1 file changed, 84 insertions(+), 3 deletions(-)
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index c5f5b1ce7954b..126e8bdd6d0ed 100644
--- a/drivers/iio/accel/kxcjk-1013.c
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -636,6 +636,84 @@ static int kxcjk1013_set_power_state(struct kxcjk1013_data *data, bool on)
return 0;
}
+#ifdef CONFIG_ACPI
+static bool kxj_acpi_orientation(struct device *dev,
+ struct iio_mount_matrix *orientation)
+{
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct acpi_device *adev = ACPI_COMPANION(dev);
+ char *str;
+ union acpi_object *obj, *elements;
+ acpi_status status;
+ int i, j, val[3];
+ bool ret = false;
+
+ if (!acpi_has_method(adev->handle, "ROTM"))
+ return false;
+
+ status = acpi_evaluate_object(adev->handle, "ROTM", NULL, &buffer);
+ if (ACPI_FAILURE(status)) {
+ dev_err(dev, "Failed to get ACPI mount matrix: %d\n", status);
+ return false;
+ }
+
+ obj = buffer.pointer;
+ if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count != 3) {
+ dev_err(dev, "Unknown ACPI mount matrix package format\n");
+ goto out_free_buffer;
+ }
+
+ elements = obj->package.elements;
+ for (i = 0; i < 3; i++) {
+ if (elements[i].type != ACPI_TYPE_STRING) {
+ dev_err(dev, "Unknown ACPI mount matrix element format\n");
+ goto out_free_buffer;
+ }
+
+ str = elements[i].string.pointer;
+ if (sscanf(str, "%d %d %d", &val[0], &val[1], &val[2]) != 3) {
+ dev_err(dev, "Incorrect ACPI mount matrix string format\n");
+ goto out_free_buffer;
+ }
+
+ for (j = 0; j < 3; j++) {
+ switch (val[j]) {
+ case -1: str = "-1"; break;
+ case 0: str = "0"; break;
+ case 1: str = "1"; break;
+ default:
+ dev_err(dev, "Invalid value in ACPI mount matrix: %d\n", val[j]);
+ goto out_free_buffer;
+ }
+ orientation->rotation[i * 3 + j] = str;
+ }
+ }
+
+ ret = true;
+
+out_free_buffer:
+ kfree(buffer.pointer);
+ return ret;
+}
+
+static bool kxj1009_apply_acpi_orientation(struct device *dev,
+ struct iio_mount_matrix *orientation)
+{
+ struct acpi_device *adev = ACPI_COMPANION(dev);
+
+ if (adev && acpi_dev_hid_uid_match(adev, "KIOX000A", NULL))
+ return kxj_acpi_orientation(dev, orientation);
+
+ return false;
+}
+#else
+static bool kxj1009_apply_acpi_orientation(struct device *dev,
+ struct iio_mount_matrix *orientation)
+{
+ return false;
+}
+#endif
+
static int kxcjk1013_chip_update_thresholds(struct kxcjk1013_data *data)
{
int ret;
@@ -1466,9 +1544,12 @@ static int kxcjk1013_probe(struct i2c_client *client)
} else {
data->active_high_intr = true; /* default polarity */
- ret = iio_read_mount_matrix(&client->dev, &data->orientation);
- if (ret)
- return ret;
+ if (!kxj1009_apply_acpi_orientation(&client->dev, &data->orientation)) {
+ ret = iio_read_mount_matrix(&client->dev, &data->orientation);
+ if (ret)
+ return ret;
+ }
+
}
ret = devm_regulator_bulk_get_enable(&client->dev,
--
GitLab
From 58efe76197c076e3d5a1d84de115f6ec9156d6fd Mon Sep 17 00:00:00 2001
From: Arturas Moskvinas <arturas.moskvinas@gmail.com>
Date: Mon, 19 Feb 2024 09:41:40 +0200
Subject: [PATCH 0710/2686] iio: adc: mcp320x: Simplify device removal logic
Use devm_* APIs to enable/disable regulator and to register in IIO infrastructure.
Signed-off-by: Arturas Moskvinas <arturas.moskvinas@gmail.com>
Link: https://lore.kernel.org/r/20240219074139.193464-2-arturas.moskvinas@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/mcp320x.c | 29 +++++++++--------------------
1 file changed, 9 insertions(+), 20 deletions(-)
diff --git a/drivers/iio/adc/mcp320x.c b/drivers/iio/adc/mcp320x.c
index f3b81798b3c93..da1421bd7b629 100644
--- a/drivers/iio/adc/mcp320x.c
+++ b/drivers/iio/adc/mcp320x.c
@@ -371,6 +371,11 @@ static const struct mcp320x_chip_info mcp320x_chip_infos[] = {
},
};
+static void mcp320x_regulator_disable(void *reg)
+{
+ regulator_disable(reg);
+}
+
static int mcp320x_probe(struct spi_device *spi)
{
struct iio_dev *indio_dev;
@@ -388,7 +393,6 @@ static int mcp320x_probe(struct spi_device *spi)
indio_dev->name = spi_get_device_id(spi)->name;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &mcp320x_info;
- spi_set_drvdata(spi, indio_dev);
device_index = spi_get_device_id(spi)->driver_data;
chip_info = &mcp320x_chip_infos[device_index];
@@ -445,27 +449,13 @@ static int mcp320x_probe(struct spi_device *spi)
if (ret < 0)
return ret;
- mutex_init(&adc->lock);
-
- ret = iio_device_register(indio_dev);
+ ret = devm_add_action_or_reset(&spi->dev, mcp320x_regulator_disable, adc->reg);
if (ret < 0)
- goto reg_disable;
-
- return 0;
-
-reg_disable:
- regulator_disable(adc->reg);
-
- return ret;
-}
+ return ret;
-static void mcp320x_remove(struct spi_device *spi)
-{
- struct iio_dev *indio_dev = spi_get_drvdata(spi);
- struct mcp320x *adc = iio_priv(indio_dev);
+ mutex_init(&adc->lock);
- iio_device_unregister(indio_dev);
- regulator_disable(adc->reg);
+ return devm_iio_device_register(&spi->dev, indio_dev);
}
static const struct of_device_id mcp320x_dt_ids[] = {
@@ -520,7 +510,6 @@ static struct spi_driver mcp320x_driver = {
.of_match_table = mcp320x_dt_ids,
},
.probe = mcp320x_probe,
- .remove = mcp320x_remove,
.id_table = mcp320x_id,
};
module_spi_driver(mcp320x_driver);
--
GitLab
From 7d87c9b94a44bed97637199a62e99c702f8469d0 Mon Sep 17 00:00:00 2001
From: Thomas Haemmerle <thomas.haemmerle@leica-geosystems.com>
Date: Mon, 19 Feb 2024 14:11:13 +0100
Subject: [PATCH 0711/2686] dt-bindings: iio: ti,tmp117: add vcc supply binding
Add the binding to specify the vcc supply. We can't make it required
since this would break the backward compatibility.
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Thomas Haemmerle <thomas.haemmerle@leica-geosystems.com>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.kernel.org/r/20240219131114.134607-1-m.felsch@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../devicetree/bindings/iio/temperature/ti,tmp117.yaml | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml b/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml
index 8c6d7735e8750..33f2e9c5bd81f 100644
--- a/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml
+++ b/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml
@@ -24,9 +24,13 @@ properties:
reg:
maxItems: 1
+ vcc-supply:
+ description: provide VCC power to the sensor.
+
required:
- compatible
- reg
+ - vcc-supply
additionalProperties: false
@@ -39,5 +43,6 @@ examples:
tmp117@48 {
compatible = "ti,tmp117";
reg = <0x48>;
+ vcc-supply = <&pmic_reg_3v3>;
};
};
--
GitLab
From 42e03b0d371a61478ac6fd992bb4183bdccb3028 Mon Sep 17 00:00:00 2001
From: Thomas Haemmerle <thomas.haemmerle@leica-geosystems.com>
Date: Mon, 19 Feb 2024 14:11:14 +0100
Subject: [PATCH 0712/2686] iio: temperature: tmp117: add support for
vcc-supply
Add support to specify the VCC supply which is required to power the
device. According the datasheet 7.3.1 Power Up, the device needs 1.5ms
after the supply voltage reaches the operating range before the
communcation can begin.
Signed-off-by: Thomas Haemmerle <thomas.haemmerle@leica-geosystems.com>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.kernel.org/r/20240219131114.134607-2-m.felsch@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/temperature/tmp117.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/iio/temperature/tmp117.c b/drivers/iio/temperature/tmp117.c
index 059953015ae72..8972083d903a2 100644
--- a/drivers/iio/temperature/tmp117.c
+++ b/drivers/iio/temperature/tmp117.c
@@ -9,6 +9,7 @@
* Note: This driver assumes that the sensor has been calibrated beforehand.
*/
+#include <linux/delay.h>
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/module.h>
@@ -17,6 +18,7 @@
#include <linux/kernel.h>
#include <linux/limits.h>
#include <linux/property.h>
+#include <linux/regulator/consumer.h>
#include <linux/iio/iio.h>
@@ -148,10 +150,17 @@ static int tmp117_probe(struct i2c_client *client)
struct tmp117_data *data;
struct iio_dev *indio_dev;
int dev_id;
+ int ret;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA))
return -EOPNOTSUPP;
+ ret = devm_regulator_get_enable(&client->dev, "vcc");
+ if (ret)
+ return ret;
+
+ fsleep(1500);
+
dev_id = i2c_smbus_read_word_swapped(client, TMP117_REG_DEVICE_ID);
if (dev_id < 0)
return dev_id;
--
GitLab
From 506d7e3acec6b09c5b598c2bf84db79456bd0606 Mon Sep 17 00:00:00 2001
From: Josua Mayer <josua@solid-run.com>
Date: Mon, 19 Feb 2024 15:48:21 +0100
Subject: [PATCH 0713/2686] dt-bindings: iio: humidity: hdc20x0: add optional
interrupts property
HDC2010 and HDC2080 humidity sensors both have an interrupt / data-ready
signal which can be used for signaling to the host.
Add binding for "interrupts" property so that boards wiring this signal
may describe the connection.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Josua Mayer <josua@solid-run.com>
Link: https://lore.kernel.org/r/20240219-iio-hdc20x0-interrupt-binding-v7-1-c8ffb39c3768@solid-run.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml b/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml
index 79e75a8675cba..e3eca89175175 100644
--- a/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml
+++ b/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml
@@ -27,6 +27,9 @@ properties:
reg:
maxItems: 1
+ interrupts:
+ maxItems: 1
+
required:
- compatible
- reg
--
GitLab
From 5c7403abf9da656f5827cb9081c2ad7bfab0d673 Mon Sep 17 00:00:00 2001
From: Dumitru Ceclan <mitrutzceclan@gmail.com>
Date: Tue, 20 Feb 2024 17:34:50 +0200
Subject: [PATCH 0714/2686] dt-bindings: iio: hmc425a: add conditional GPIO
array size constraints
ADRF5740 and HMC540S have a 4 bit parallel interface.
Update ctrl-gpios description and min/maxItems values depending on the
matched compatible to correctly reflect the hardware properties.
Fixes: 79f2ff6461e7 ("dt-bindings: iio: hmc425a: add entry for ADRF5740 Attenuator")
Fixes: 20f87a9a26be ("dt-bindings: iio: hmc425a: add entry for HMC540S")
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com>
Link: https://lore.kernel.org/r/20240220153553.2432-3-mitrutzceclan@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../bindings/iio/amplifiers/adi,hmc425a.yaml | 33 +++++++++++++++++--
1 file changed, 30 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml b/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
index 67de9d4e3a1df..a434cb8ddcc9b 100644
--- a/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
+++ b/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
@@ -33,11 +33,38 @@ properties:
ctrl-gpios:
description:
- Must contain an array of 6 GPIO specifiers, referring to the GPIO pins
- connected to the control pins V1-V6.
- minItems: 6
+ Must contain an array of GPIO specifiers, referring to the GPIO pins
+ connected to the control pins.
+ ADRF5740 - 4 GPIO connected to D2-D5
+ HMC540S - 4 GPIO connected to V1-V4
+ HMC425A - 6 GPIO connected to V1-V6
+ minItems: 1
maxItems: 6
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: adi,hmc425a
+ then:
+ properties:
+ ctrl-gpios:
+ minItems: 6
+ maxItems: 6
+ - if:
+ properties:
+ compatible:
+ contains:
+ anyOf:
+ - const: adi,adrf5740
+ - const: adi,hmc540s
+ then:
+ properties:
+ ctrl-gpios:
+ minItems: 4
+ maxItems: 4
+
required:
- compatible
- ctrl-gpios
--
GitLab
From ff96eb45baf2803f3c529fe79c76659c9af1a3fc Mon Sep 17 00:00:00 2001
From: Dumitru Ceclan <mitrutzceclan@gmail.com>
Date: Tue, 20 Feb 2024 17:34:52 +0200
Subject: [PATCH 0715/2686] dt-bindings: iio: hmc425a: add entry for LTC6373
The LTC6373 is a silicon, 3-bit Fully-Differential digital instrumentation
amplifier that supports the following programmable gains (Vout/Vin):
G = 0.25, 0.5, 1, 2, 4, 8, 16 + Shutdown.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com>
Link: https://lore.kernel.org/r/20240220153553.2432-5-mitrutzceclan@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../bindings/iio/amplifiers/adi,hmc425a.yaml | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml b/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
index a434cb8ddcc9b..3a470459b9658 100644
--- a/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
+++ b/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
@@ -21,6 +21,8 @@ description: |
HMC540S 1 dB LSB Silicon MMIC 4-Bit Digital Positive Control Attenuator, 0.1 - 8 GHz
https://www.analog.com/media/en/technical-documentation/data-sheets/hmc540s.pdf
+ LTC6373 is a 3-Bit precision instrumentation amplifier with fully differential outputs
+ https://www.analog.com/media/en/technical-documentation/data-sheets/ltc6373.pdf
properties:
compatible:
@@ -28,6 +30,7 @@ properties:
- adi,adrf5740
- adi,hmc425a
- adi,hmc540s
+ - adi,ltc6373
vcc-supply: true
@@ -38,6 +41,7 @@ properties:
ADRF5740 - 4 GPIO connected to D2-D5
HMC540S - 4 GPIO connected to V1-V4
HMC425A - 6 GPIO connected to V1-V6
+ LTC6373 - 3 GPIO connected to A0-A2
minItems: 1
maxItems: 6
@@ -64,6 +68,16 @@ allOf:
ctrl-gpios:
minItems: 4
maxItems: 4
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: adi,ltc6373
+ then:
+ properties:
+ ctrl-gpios:
+ minItems: 3
+ maxItems: 3
required:
- compatible
--
GitLab
From 2edb22571e853d0ee69187f08f1269053f326d76 Mon Sep 17 00:00:00 2001
From: Dumitru Ceclan <mitrutzceclan@gmail.com>
Date: Tue, 20 Feb 2024 17:34:49 +0200
Subject: [PATCH 0716/2686] iio: amplifiers: hmc425a: move conversion logic
Move gain-dB<->code conversion logic from read_raw and write_raw to
chip_info callbacks.
Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240220153553.2432-2-mitrutzceclan@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/amplifiers/hmc425a.c | 125 ++++++++++++++++++++-----------
1 file changed, 83 insertions(+), 42 deletions(-)
diff --git a/drivers/iio/amplifiers/hmc425a.c b/drivers/iio/amplifiers/hmc425a.c
index ed4d729226961..dbf1c74f78456 100644
--- a/drivers/iio/amplifiers/hmc425a.c
+++ b/drivers/iio/amplifiers/hmc425a.c
@@ -34,6 +34,9 @@ struct hmc425a_chip_info {
int gain_min;
int gain_max;
int default_gain;
+
+ int (*gain_dB_to_code)(int gain, int *code);
+ int (*code_to_gain_dB)(int code, int *val, int *val2);
};
struct hmc425a_state {
@@ -44,6 +47,74 @@ struct hmc425a_state {
u32 gain;
};
+static int gain_dB_to_code(struct hmc425a_state *st, int val, int val2, int *code)
+{
+ struct hmc425a_chip_info *inf = st->chip_info;
+ int gain;
+
+ if (val < 0)
+ gain = (val * 1000) - (val2 / 1000);
+ else
+ gain = (val * 1000) + (val2 / 1000);
+
+ if (gain > inf->gain_max || gain < inf->gain_min)
+ return -EINVAL;
+
+ return st->chip_info->gain_dB_to_code(gain, code);
+}
+
+static int hmc425a_gain_dB_to_code(int gain, int *code)
+{
+ *code = ~((abs(gain) / 500) & 0x3F);
+ return 0;
+}
+
+static int hmc540s_gain_dB_to_code(int gain, int *code)
+{
+ *code = ~((abs(gain) / 1000) & 0xF);
+ return 0;
+}
+
+static int adrf5740_gain_dB_to_code(int gain, int *code)
+{
+ int temp = (abs(gain) / 2000) & 0xF;
+
+ /* Bit [0-3]: 2dB 4dB 8dB 8dB */
+ *code = temp & BIT(3) ? temp | BIT(2) : temp;
+ return 0;
+}
+
+static int code_to_gain_dB(struct hmc425a_state *st, int *val, int *val2)
+{
+ return st->chip_info->code_to_gain_dB(st->gain, val, val2);
+}
+
+static int hmc425a_code_to_gain_dB(int code, int *val, int *val2)
+{
+ *val = (~code * -500) / 1000;
+ *val2 = ((~code * -500) % 1000) * 1000;
+ return 0;
+}
+
+static int hmc540s_code_to_gain_dB(int code, int *val, int *val2)
+{
+ *val = (~code * -1000) / 1000;
+ *val2 = ((~code * -1000) % 1000) * 1000;
+ return 0;
+}
+
+static int adrf5740_code_to_gain_dB(int code, int *val, int *val2)
+{
+ /*
+ * Bit [0-3]: 2dB 4dB 8dB 8dB
+ * When BIT(3) is set, unset BIT(2) and use 3 as double the place value
+ */
+ code = code & BIT(3) ? code & ~BIT(2) : code;
+ *val = (code * -2000) / 1000;
+ *val2 = ((code * -2000) % 1000) * 1000;
+ return 0;
+}
+
static int hmc425a_write(struct iio_dev *indio_dev, u32 value)
{
struct hmc425a_state *st = iio_priv(indio_dev);
@@ -61,30 +132,14 @@ static int hmc425a_read_raw(struct iio_dev *indio_dev,
int *val2, long m)
{
struct hmc425a_state *st = iio_priv(indio_dev);
- int code, gain = 0;
int ret;
mutex_lock(&st->lock);
switch (m) {
case IIO_CHAN_INFO_HARDWAREGAIN:
- code = st->gain;
-
- switch (st->type) {
- case ID_HMC425A:
- gain = ~code * -500;
- break;
- case ID_HMC540S:
- gain = ~code * -1000;
+ ret = code_to_gain_dB(st, val, val2);
+ if (ret)
break;
- case ID_ADRF5740:
- code = code & BIT(3) ? code & ~BIT(2) : code;
- gain = code * -2000;
- break;
- }
-
- *val = gain / 1000;
- *val2 = (gain % 1000) * 1000;
-
ret = IIO_VAL_INT_PLUS_MICRO_DB;
break;
default:
@@ -100,34 +155,14 @@ static int hmc425a_write_raw(struct iio_dev *indio_dev,
int val2, long mask)
{
struct hmc425a_state *st = iio_priv(indio_dev);
- struct hmc425a_chip_info *inf = st->chip_info;
- int code = 0, gain;
- int ret;
-
- if (val < 0)
- gain = (val * 1000) - (val2 / 1000);
- else
- gain = (val * 1000) + (val2 / 1000);
-
- if (gain > inf->gain_max || gain < inf->gain_min)
- return -EINVAL;
-
- switch (st->type) {
- case ID_HMC425A:
- code = ~((abs(gain) / 500) & 0x3F);
- break;
- case ID_HMC540S:
- code = ~((abs(gain) / 1000) & 0xF);
- break;
- case ID_ADRF5740:
- code = (abs(gain) / 2000) & 0xF;
- code = code & BIT(3) ? code | BIT(2) : code;
- break;
- }
+ int code = 0, ret;
mutex_lock(&st->lock);
switch (mask) {
case IIO_CHAN_INFO_HARDWAREGAIN:
+ ret = gain_dB_to_code(st, val, val2, &code);
+ if (ret)
+ break;
st->gain = code;
ret = hmc425a_write(indio_dev, st->gain);
@@ -189,6 +224,8 @@ static struct hmc425a_chip_info hmc425a_chip_info_tbl[] = {
.gain_min = -31500,
.gain_max = 0,
.default_gain = -0x40, /* set default gain -31.5db*/
+ .gain_dB_to_code = hmc425a_gain_dB_to_code,
+ .code_to_gain_dB = hmc425a_code_to_gain_dB,
},
[ID_HMC540S] = {
.name = "hmc540s",
@@ -198,6 +235,8 @@ static struct hmc425a_chip_info hmc425a_chip_info_tbl[] = {
.gain_min = -15000,
.gain_max = 0,
.default_gain = -0x10, /* set default gain -15.0db*/
+ .gain_dB_to_code = hmc540s_gain_dB_to_code,
+ .code_to_gain_dB = hmc540s_code_to_gain_dB,
},
[ID_ADRF5740] = {
.name = "adrf5740",
@@ -207,6 +246,8 @@ static struct hmc425a_chip_info hmc425a_chip_info_tbl[] = {
.gain_min = -22000,
.gain_max = 0,
.default_gain = 0xF, /* set default gain -22.0db*/
+ .gain_dB_to_code = adrf5740_gain_dB_to_code,
+ .code_to_gain_dB = adrf5740_code_to_gain_dB,
},
};
--
GitLab
From 09ac57ac01e16268de9677728606c68d8d513d3a Mon Sep 17 00:00:00 2001
From: Dumitru Ceclan <mitrutzceclan@gmail.com>
Date: Tue, 20 Feb 2024 17:34:51 +0200
Subject: [PATCH 0717/2686] iio: amplifiers: hmc425a: use pointers in match
table
Change the match table to use pointers instead of device ids.
Remove type from state as it is not used anymore.
Also make the chip_info structures const.
Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240220153553.2432-4-mitrutzceclan@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/amplifiers/hmc425a.c | 31 ++++++++++++++++---------------
1 file changed, 16 insertions(+), 15 deletions(-)
diff --git a/drivers/iio/amplifiers/hmc425a.c b/drivers/iio/amplifiers/hmc425a.c
index dbf1c74f78456..31e495e65dcbe 100644
--- a/drivers/iio/amplifiers/hmc425a.c
+++ b/drivers/iio/amplifiers/hmc425a.c
@@ -41,15 +41,14 @@ struct hmc425a_chip_info {
struct hmc425a_state {
struct mutex lock; /* protect sensor state */
- struct hmc425a_chip_info *chip_info;
+ const struct hmc425a_chip_info *chip_info;
struct gpio_descs *gpios;
- enum hmc425a_type type;
u32 gain;
};
static int gain_dB_to_code(struct hmc425a_state *st, int val, int val2, int *code)
{
- struct hmc425a_chip_info *inf = st->chip_info;
+ const struct hmc425a_chip_info *inf = st->chip_info;
int gain;
if (val < 0)
@@ -206,16 +205,7 @@ static const struct iio_chan_spec hmc425a_channels[] = {
HMC425A_CHAN(0),
};
-/* Match table for of_platform binding */
-static const struct of_device_id hmc425a_of_match[] = {
- { .compatible = "adi,hmc425a", .data = (void *)ID_HMC425A },
- { .compatible = "adi,hmc540s", .data = (void *)ID_HMC540S },
- { .compatible = "adi,adrf5740", .data = (void *)ID_ADRF5740 },
- {},
-};
-MODULE_DEVICE_TABLE(of, hmc425a_of_match);
-
-static struct hmc425a_chip_info hmc425a_chip_info_tbl[] = {
+static const struct hmc425a_chip_info hmc425a_chip_info_tbl[] = {
[ID_HMC425A] = {
.name = "hmc425a",
.channels = hmc425a_channels,
@@ -262,9 +252,8 @@ static int hmc425a_probe(struct platform_device *pdev)
return -ENOMEM;
st = iio_priv(indio_dev);
- st->type = (uintptr_t)device_get_match_data(&pdev->dev);
- st->chip_info = &hmc425a_chip_info_tbl[st->type];
+ st->chip_info = device_get_match_data(&pdev->dev);
indio_dev->num_channels = st->chip_info->num_channels;
indio_dev->channels = st->chip_info->channels;
indio_dev->name = st->chip_info->name;
@@ -296,6 +285,18 @@ static int hmc425a_probe(struct platform_device *pdev)
return devm_iio_device_register(&pdev->dev, indio_dev);
}
+/* Match table for of_platform binding */
+static const struct of_device_id hmc425a_of_match[] = {
+ { .compatible = "adi,hmc425a",
+ .data = &hmc425a_chip_info_tbl[ID_HMC425A]},
+ { .compatible = "adi,hmc540s",
+ .data = &hmc425a_chip_info_tbl[ID_HMC540S]},
+ { .compatible = "adi,adrf5740",
+ .data = &hmc425a_chip_info_tbl[ID_ADRF5740]},
+ {}
+};
+MODULE_DEVICE_TABLE(of, hmc425a_of_match);
+
static struct platform_driver hmc425a_driver = {
.driver = {
.name = KBUILD_MODNAME,
--
GitLab
From a0e7a2b703d3ef8630ab27b17b4c988a0a809f99 Mon Sep 17 00:00:00 2001
From: Dumitru Ceclan <mitrutzceclan@gmail.com>
Date: Tue, 20 Feb 2024 17:34:53 +0200
Subject: [PATCH 0718/2686] iio: amplifiers: hmc425a: add support for LTC6373
Instrumentation Amplifier
This adds support for LTC6373 36 V Fully-Differential Programmable-Gain
Instrumentation Amplifier with 25 pA Input Bias Current.
The user can program the gain to one of seven available settings through
a 3-bit parallel interface (A2 to A0).
Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240220153553.2432-6-mitrutzceclan@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/amplifiers/hmc425a.c | 124 ++++++++++++++++++++++++++++++-
1 file changed, 120 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/amplifiers/hmc425a.c b/drivers/iio/amplifiers/hmc425a.c
index 31e495e65dcbe..2ee4c0d70281e 100644
--- a/drivers/iio/amplifiers/hmc425a.c
+++ b/drivers/iio/amplifiers/hmc425a.c
@@ -2,9 +2,10 @@
/*
* HMC425A and similar Gain Amplifiers
*
- * Copyright 2020 Analog Devices Inc.
+ * Copyright 2020, 2024 Analog Devices Inc.
*/
+#include <linux/bits.h>
#include <linux/bitops.h>
#include <linux/device.h>
#include <linux/err.h>
@@ -12,6 +13,7 @@
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/kernel.h>
+#include <linux/math.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
@@ -20,10 +22,24 @@
#include <linux/regulator/consumer.h>
#include <linux/sysfs.h>
+/*
+ * The LTC6373 amplifier supports configuring gain using GPIO's with the following
+ * values (OUTPUT_V / INPUT_V): 0(shutdown), 0.25, 0.5, 1, 2, 4, 8, 16
+ *
+ * Except for the shutdown value, all can be converted to dB using 20 * log10(x)
+ * From here, it is observed that all values are multiples of the '2' gain setting,
+ * with the correspondent of 6.020dB.
+ */
+#define LTC6373_CONVERSION_CONSTANT 6020
+#define LTC6373_MIN_GAIN_CODE 0x6
+#define LTC6373_CONVERSION_MASK GENMASK(2, 0)
+#define LTC6373_SHUTDOWN GENMASK(2, 0)
+
enum hmc425a_type {
ID_HMC425A,
ID_HMC540S,
- ID_ADRF5740
+ ID_ADRF5740,
+ ID_LTC6373,
};
struct hmc425a_chip_info {
@@ -34,6 +50,8 @@ struct hmc425a_chip_info {
int gain_min;
int gain_max;
int default_gain;
+ int powerdown_val;
+ bool has_powerdown;
int (*gain_dB_to_code)(int gain, int *code);
int (*code_to_gain_dB)(int code, int *val, int *val2);
@@ -44,6 +62,7 @@ struct hmc425a_state {
const struct hmc425a_chip_info *chip_info;
struct gpio_descs *gpios;
u32 gain;
+ bool powerdown;
};
static int gain_dB_to_code(struct hmc425a_state *st, int val, int val2, int *code)
@@ -58,6 +77,8 @@ static int gain_dB_to_code(struct hmc425a_state *st, int val, int val2, int *cod
if (gain > inf->gain_max || gain < inf->gain_min)
return -EINVAL;
+ if (st->powerdown)
+ return -EPERM;
return st->chip_info->gain_dB_to_code(gain, code);
}
@@ -83,8 +104,17 @@ static int adrf5740_gain_dB_to_code(int gain, int *code)
return 0;
}
+static int ltc6373_gain_dB_to_code(int gain, int *code)
+{
+ *code = ~(DIV_ROUND_CLOSEST(gain, LTC6373_CONVERSION_CONSTANT) + 3)
+ & LTC6373_CONVERSION_MASK;
+ return 0;
+}
+
static int code_to_gain_dB(struct hmc425a_state *st, int *val, int *val2)
{
+ if (st->powerdown)
+ return -EPERM;
return st->chip_info->code_to_gain_dB(st->gain, val, val2);
}
@@ -114,6 +144,16 @@ static int adrf5740_code_to_gain_dB(int code, int *val, int *val2)
return 0;
}
+static int ltc6373_code_to_gain_dB(int code, int *val, int *val2)
+{
+ int gain = ((~code & LTC6373_CONVERSION_MASK) - 3) *
+ LTC6373_CONVERSION_CONSTANT;
+
+ *val = gain / 1000;
+ *val2 = (gain % 1000) * 1000;
+ return 0;
+}
+
static int hmc425a_write(struct iio_dev *indio_dev, u32 value)
{
struct hmc425a_state *st = iio_priv(indio_dev);
@@ -192,6 +232,48 @@ static const struct iio_info hmc425a_info = {
.write_raw_get_fmt = &hmc425a_write_raw_get_fmt,
};
+static ssize_t ltc6373_read_powerdown(struct iio_dev *indio_dev,
+ uintptr_t private,
+ const struct iio_chan_spec *chan,
+ char *buf)
+{
+ struct hmc425a_state *st = iio_priv(indio_dev);
+
+ return sysfs_emit(buf, "%d\n", st->powerdown);
+}
+
+static ssize_t ltc6373_write_powerdown(struct iio_dev *indio_dev,
+ uintptr_t private,
+ const struct iio_chan_spec *chan,
+ const char *buf,
+ size_t len)
+{
+ struct hmc425a_state *st = iio_priv(indio_dev);
+ bool powerdown;
+ int code, ret;
+
+ ret = kstrtobool(buf, &powerdown);
+ if (ret)
+ return ret;
+
+ mutex_lock(&st->lock);
+ st->powerdown = powerdown;
+ code = (powerdown) ? LTC6373_SHUTDOWN : st->gain;
+ hmc425a_write(indio_dev, code);
+ mutex_unlock(&st->lock);
+ return len;
+}
+
+static const struct iio_chan_spec_ext_info ltc6373_ext_info[] = {
+ {
+ .name = "powerdown",
+ .read = ltc6373_read_powerdown,
+ .write = ltc6373_write_powerdown,
+ .shared = IIO_SEPARATE,
+ },
+ {}
+};
+
#define HMC425A_CHAN(_channel) \
{ \
.type = IIO_VOLTAGE, \
@@ -201,10 +283,24 @@ static const struct iio_info hmc425a_info = {
.info_mask_separate = BIT(IIO_CHAN_INFO_HARDWAREGAIN), \
}
+#define LTC6373_CHAN(_channel) \
+{ \
+ .type = IIO_VOLTAGE, \
+ .output = 1, \
+ .indexed = 1, \
+ .channel = _channel, \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_HARDWAREGAIN), \
+ .ext_info = ltc6373_ext_info, \
+}
+
static const struct iio_chan_spec hmc425a_channels[] = {
HMC425A_CHAN(0),
};
+static const struct iio_chan_spec ltc6373_channels[] = {
+ LTC6373_CHAN(0),
+};
+
static const struct hmc425a_chip_info hmc425a_chip_info_tbl[] = {
[ID_HMC425A] = {
.name = "hmc425a",
@@ -239,6 +335,19 @@ static const struct hmc425a_chip_info hmc425a_chip_info_tbl[] = {
.gain_dB_to_code = adrf5740_gain_dB_to_code,
.code_to_gain_dB = adrf5740_code_to_gain_dB,
},
+ [ID_LTC6373] = {
+ .name = "ltc6373",
+ .channels = ltc6373_channels,
+ .num_channels = ARRAY_SIZE(ltc6373_channels),
+ .num_gpios = 3,
+ .gain_min = -12041, /* gain setting x0.25*/
+ .gain_max = 24082, /* gain setting x16 */
+ .default_gain = LTC6373_MIN_GAIN_CODE,
+ .powerdown_val = LTC6373_SHUTDOWN,
+ .has_powerdown = true,
+ .gain_dB_to_code = ltc6373_gain_dB_to_code,
+ .code_to_gain_dB = ltc6373_code_to_gain_dB,
+ },
};
static int hmc425a_probe(struct platform_device *pdev)
@@ -279,8 +388,13 @@ static int hmc425a_probe(struct platform_device *pdev)
indio_dev->info = &hmc425a_info;
indio_dev->modes = INDIO_DIRECT_MODE;
- /* Set default gain */
- hmc425a_write(indio_dev, st->gain);
+ if (st->chip_info->has_powerdown) {
+ st->powerdown = true;
+ hmc425a_write(indio_dev, st->chip_info->powerdown_val);
+ } else {
+ /* Set default gain */
+ hmc425a_write(indio_dev, st->gain);
+ }
return devm_iio_device_register(&pdev->dev, indio_dev);
}
@@ -293,6 +407,8 @@ static const struct of_device_id hmc425a_of_match[] = {
.data = &hmc425a_chip_info_tbl[ID_HMC540S]},
{ .compatible = "adi,adrf5740",
.data = &hmc425a_chip_info_tbl[ID_ADRF5740]},
+ { .compatible = "adi,ltc6373",
+ .data = &hmc425a_chip_info_tbl[ID_LTC6373]},
{}
};
MODULE_DEVICE_TABLE(of, hmc425a_of_match);
--
GitLab
From a3e58e4aa986c54e5fa26b9556acc3a507d3706a Mon Sep 17 00:00:00 2001
From: Ramona Gradinariu <ramona.gradinariu@analog.com>
Date: Wed, 21 Feb 2024 10:58:46 +0200
Subject: [PATCH 0719/2686] docs: iio: Refactor index.rst
Refactor index.rst such that it contains a section for generic
documentation and a section for Kernel Drivers documentation.
Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com>
Link: https://lore.kernel.org/r/20240221085848.991413-2-ramona.gradinariu@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
Documentation/iio/index.rst | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/Documentation/iio/index.rst b/Documentation/iio/index.rst
index 1b7292c58cd07..db341b45397fe 100644
--- a/Documentation/iio/index.rst
+++ b/Documentation/iio/index.rst
@@ -9,6 +9,11 @@ Industrial I/O
iio_configfs
- ep93xx_adc
+Industrial I/O Kernel Drivers
+=============================
+
+.. toctree::
+ :maxdepth: 1
bno055
+ ep93xx_adc
--
GitLab
From d5422a85ed2956fc85ee198ac8faf89ab02ba318 Mon Sep 17 00:00:00 2001
From: Ramona Gradinariu <ramona.gradinariu@analog.com>
Date: Wed, 21 Feb 2024 10:58:47 +0200
Subject: [PATCH 0720/2686] docs: iio: add documentation for device buffers
Add documentation for IIO device buffers describing buffer
attributes and how data is structured in buffers using
scan elements.
Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com>
Link: https://lore.kernel.org/r/20240221085848.991413-3-ramona.gradinariu@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
Documentation/iio/iio_devbuf.rst | 152 +++++++++++++++++++++++++++++++
Documentation/iio/index.rst | 1 +
2 files changed, 153 insertions(+)
create mode 100644 Documentation/iio/iio_devbuf.rst
diff --git a/Documentation/iio/iio_devbuf.rst b/Documentation/iio/iio_devbuf.rst
new file mode 100644
index 0000000000000..9919e4792d0e4
--- /dev/null
+++ b/Documentation/iio/iio_devbuf.rst
@@ -0,0 +1,152 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=============================
+Industrial IIO device buffers
+=============================
+
+1. Overview
+===========
+
+The Industrial I/O core offers a way for continuous data capture based on a
+trigger source. Multiple data channels can be read at once from
+``/dev/iio:deviceX`` character device node, thus reducing the CPU load.
+
+Devices with buffer support feature an additional sub-directory in the
+``/sys/bus/iio/devices/iio:deviceX/`` directory hierarchy, called bufferY, where
+Y defaults to 0, for devices with a single buffer.
+
+2. Buffer attributes
+====================
+
+An IIO buffer has an associated attributes directory under
+``/sys/bus/iio/iio:deviceX/bufferY/``. The attributes are described below.
+
+``length``
+----------
+
+Read / Write attribute which states the total number of data samples (capacity)
+that can be stored by the buffer.
+
+``enable``
+----------
+
+Read / Write attribute which starts / stops the buffer capture. This file should
+be written last, after length and selection of scan elements. Writing a non-zero
+value may result in an error, such as EINVAL, if, for example, an unsupported
+combination of channels is given.
+
+``watermark``
+-------------
+
+Read / Write positive integer attribute specifying the maximum number of scan
+elements to wait for.
+
+Poll will block until the watermark is reached.
+
+Blocking read will wait until the minimum between the requested read amount or
+the low watermark is available.
+
+Non-blocking read will retrieve the available samples from the buffer even if
+there are less samples than the watermark level. This allows the application to
+block on poll with a timeout and read the available samples after the timeout
+expires and thus have a maximum delay guarantee.
+
+Data available
+--------------
+
+Read-only attribute indicating the bytes of data available in the buffer. In the
+case of an output buffer, this indicates the amount of empty space available to
+write data to. In the case of an input buffer, this indicates the amount of data
+available for reading.
+
+Scan elements
+-------------
+
+The meta information associated with a channel data placed in a buffer is called
+a scan element. The scan elements attributes are presented below.
+
+**_en**
+
+Read / Write attribute used for enabling a channel. If and only if its value
+is non-zero, then a triggered capture will contain data samples for this
+channel.
+
+**_index**
+
+Read-only unsigned integer attribute specifying the position of the channel in
+the buffer. Note these are not dependent on what is enabled and may not be
+contiguous. Thus for userspace to establish the full layout these must be used
+in conjunction with all _en attributes to establish which channels are present,
+and the relevant _type attributes to establish the data storage format.
+
+**_type**
+
+Read-only attribute containing the description of the scan element data storage
+within the buffer and hence the form in which it is read from userspace. Format
+is [be|le]:[s|u]bits/storagebits[Xrepeat][>>shift], where:
+
+- **be** or **le** specifies big or little-endian.
+- **s** or **u** specifies if signed (2's complement) or unsigned.
+- **bits** is the number of valid data bits.
+- **storagebits** is the number of bits (after padding) that it occupies in the
+ buffer.
+- **repeat** specifies the number of bits/storagebits repetitions. When the
+ repeat element is 0 or 1, then the repeat value is omitted.
+- **shift** if specified, is the shift that needs to be applied prior to
+ masking out unused bits.
+
+For example, a driver for a 3-axis accelerometer with 12-bit resolution where
+data is stored in two 8-bit registers is as follows::
+
+ 7 6 5 4 3 2 1 0
+ +---+---+---+---+---+---+---+---+
+ |D3 |D2 |D1 |D0 | X | X | X | X | (LOW byte, address 0x06)
+ +---+---+---+---+---+---+---+---+
+
+ 7 6 5 4 3 2 1 0
+ +---+---+---+---+---+---+---+---+
+ |D11|D10|D9 |D8 |D7 |D6 |D5 |D4 | (HIGH byte, address 0x07)
+ +---+---+---+---+---+---+---+---+
+
+will have the following scan element type for each axis:
+
+.. code-block:: bash
+
+ $ cat /sys/bus/iio/devices/iio:device0/buffer0/in_accel_y_type
+ le:s12/16>>4
+
+A userspace application will interpret data samples read from the buffer as
+two-byte little-endian signed data, that needs a 4 bits right shift before
+masking out the 12 valid bits of data.
+
+It is also worth mentioning that the data in the buffer will be naturally
+aligned, so the userspace application has to handle the buffers accordingly.
+
+Take for example, a driver with four channels with the following description:
+- channel0: index: 0, type: be:u16/16>>0
+- channel1: index: 1, type: be:u32/32>>0
+- channel2: index: 2, type: be:u32/32>>0
+- channel3: index: 3, type: be:u64/64>>0
+
+If all channels are enabled, the data will be aligned in the buffer as follows::
+
+ 0-1 2 3 4-7 8-11 12 13 14 15 16-23 -> buffer byte number
+ +-----+---+---+-----+-----+---+---+---+---+-----+
+ |CHN_0|PAD|PAD|CHN_1|CHN_2|PAD|PAD|PAD|PAD|CHN_3| -> buffer content
+ +-----+---+---+-----+-----+---+---+---+---+-----+
+
+If only channel0 and channel3 are enabled, the data will be aligned in the
+buffer as follows::
+
+ 0-1 2 3 4 5 6 7 8-15 -> buffer byte number
+ +-----+---+---+---+---+---+---+-----+
+ |CHN_0|PAD|PAD|PAD|PAD|PAD|PAD|CHN_3| -> buffer content
+ +-----+---+---+---+---+---+---+-----+
+
+Typically the buffered data is found in raw format (unscaled with no offset
+applied), however there are corner cases in which the buffered data may be found
+in a processed form. Please note that these corner cases are not addressed by
+this documentation.
+
+Please see ``Documentation/ABI/testing/sysfs-bus-iio`` for a complete
+description of the attributes.
diff --git a/Documentation/iio/index.rst b/Documentation/iio/index.rst
index db341b45397fe..206a0aff5ca11 100644
--- a/Documentation/iio/index.rst
+++ b/Documentation/iio/index.rst
@@ -8,6 +8,7 @@ Industrial I/O
:maxdepth: 1
iio_configfs
+ iio_devbuf
Industrial I/O Kernel Drivers
=============================
--
GitLab
From 8243b2877eefe92f1022013601b8dfeb892b707a Mon Sep 17 00:00:00 2001
From: Ramona Gradinariu <ramona.gradinariu@analog.com>
Date: Wed, 21 Feb 2024 10:58:48 +0200
Subject: [PATCH 0721/2686] docs: iio: add documentation for adis16475 driver
Add documentation for adis16475 driver which describes
the driver device files and shows how the user may use the
ABI for various scenarios (configuration, measurement, etc.).
Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com>
Link: https://lore.kernel.org/r/20240221085848.991413-4-ramona.gradinariu@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
Documentation/iio/adis16475.rst | 407 ++++++++++++++++++++++++++++++++
Documentation/iio/index.rst | 1 +
2 files changed, 408 insertions(+)
create mode 100644 Documentation/iio/adis16475.rst
diff --git a/Documentation/iio/adis16475.rst b/Documentation/iio/adis16475.rst
new file mode 100644
index 0000000000000..91cabb7d8d057
--- /dev/null
+++ b/Documentation/iio/adis16475.rst
@@ -0,0 +1,407 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+================
+ADIS16475 driver
+================
+
+This driver supports Analog Device's IMUs on SPI bus.
+
+1. Supported devices
+====================
+
+* `ADIS16465 <https://www.analog.com/ADIS16465>`_
+* `ADIS16467 <https://www.analog.com/ADIS16467>`_
+* `ADIS16470 <https://www.analog.com/ADIS16470>`_
+* `ADIS16475 <https://www.analog.com/ADIS16475>`_
+* `ADIS16477 <https://www.analog.com/ADIS16477>`_
+* `ADIS16500 <https://www.analog.com/ADIS16500>`_
+* `ADIS16505 <https://www.analog.com/ADIS16505>`_
+* `ADIS16507 <https://www.analog.com/ADIS16507>`_
+
+Each supported device is a precision, miniature microelectromechanical system
+(MEMS) inertial measurement unit (IMU) that includes a triaxial gyroscope and a
+triaxial accelerometer. Each inertial sensor in the IMU device combines with
+signal conditioning that optimizes dynamic performance. The factory calibration
+characterizes each sensor for sensitivity, bias, alignment, linear acceleration
+(gyroscope bias), and point of percussion (accelerometer location). As a result,
+each sensor has dynamic compensation formulas that provide accurate sensor
+measurements over a broad set of conditions.
+
+2. Device attributes
+====================
+
+Accelerometer, gyroscope measurements are always provided. Furthermore, the
+driver offers the capability to retrieve the delta angle and the delta velocity
+measurements computed by the device.
+
+The delta angle measurements represent a calculation of angular displacement
+between each sample update, while the delta velocity measurements represent a
+calculation of linear velocity change between each sample update.
+
+Finally, temperature data are provided which show a coarse measurement of
+the temperature inside of the IMU device. This data is most useful for
+monitoring relative changes in the thermal environment.
+
+The signal chain of each inertial sensor (accelerometers and gyroscopes)
+includes the application of unique correction formulas, which are derived from
+extensive characterization of bias, sensitivity, alignment, response to linear
+acceleration (gyroscopes), and point of percussion (accelerometer location)
+over a temperature range of −40°C to +85°C, for each ADIS device. These
+correction formulas are not accessible, but users do have the opportunity to
+adjust the bias for each sensor individually through the calibbias attribute.
+
+Each IIO device, has a device folder under ``/sys/bus/iio/devices/iio:deviceX``,
+where X is the IIO index of the device. Under these folders reside a set of
+device files, depending on the characteristics and features of the hardware
+device in questions. These files are consistently generalized and documented in
+the IIO ABI documentation.
+
+The following tables show the adis16475 related device files, found in the
+specific device folder path ``/sys/bus/iio/devices/iio:deviceX``.
+
++-------------------------------------------+----------------------------------------------------------+
+| 3-Axis Accelerometer related device files | Description |
++-------------------------------------------+----------------------------------------------------------+
+| in_accel_scale | Scale for the accelerometer channels. |
++-------------------------------------------+----------------------------------------------------------+
+| in_accel_x_calibbias | Calibration offset for the X-axis accelerometer channel. |
++-------------------------------------------+----------------------------------------------------------+
+| in_accel_calibbias_x | x-axis acceleration offset correction |
++-------------------------------------------+----------------------------------------------------------+
+| in_accel_x_raw | Raw X-axis accelerometer channel value. |
++-------------------------------------------+----------------------------------------------------------+
+| in_accel_calibbias_y | y-axis acceleration offset correction |
++-------------------------------------------+----------------------------------------------------------+
+| in_accel_y_raw | Raw Y-axis accelerometer channel value. |
++-------------------------------------------+----------------------------------------------------------+
+| in_accel_z_calibbias | Calibration offset for the Z-axis accelerometer channel. |
++-------------------------------------------+----------------------------------------------------------+
+| in_accel_z_raw | Raw Z-axis accelerometer channel value. |
++-------------------------------------------+----------------------------------------------------------+
+| in_deltavelocity_scale | Scale for delta velocity channels. |
++-------------------------------------------+----------------------------------------------------------+
+| in_deltavelocity_x_raw | Raw X-axis delta velocity channel value. |
++-------------------------------------------+----------------------------------------------------------+
+| in_deltavelocity_y_raw | Raw Y-axis delta velocity channel value. |
++-------------------------------------------+----------------------------------------------------------+
+| in_deltavelocity_z_raw | Raw Z-axis delta velocity channel value. |
++-------------------------------------------+----------------------------------------------------------+
+
++---------------------------------------+------------------------------------------------------+
+| 3-Axis Gyroscope related device files | Description |
++---------------------------------------+------------------------------------------------------+
+| in_anglvel_scale | Scale for the gyroscope channels. |
++---------------------------------------+------------------------------------------------------+
+| in_anglvel_x_calibbias | Calibration offset for the X-axis gyroscope channel. |
++---------------------------------------+------------------------------------------------------+
+| in_anglvel_calibbias_x | x-axis gyroscope offset correction |
++---------------------------------------+------------------------------------------------------+
+| in_anglvel_x_raw | Raw X-axis gyroscope channel value. |
++---------------------------------------+------------------------------------------------------+
+| in_anglvel_calibbias_y | y-axis gyroscope offset correction |
++---------------------------------------+------------------------------------------------------+
+| in_anglvel_y_raw | Raw Y-axis gyroscope channel value. |
++---------------------------------------+------------------------------------------------------+
+| in_anglvel_z_calibbias | Calibration offset for the Z-axis gyroscope channel. |
++---------------------------------------+------------------------------------------------------+
+| in_anglvel_z_raw | Raw Z-axis gyroscope channel value. |
++---------------------------------------+------------------------------------------------------+
+| in_deltaangl_scale | Scale for delta angle channels. |
++---------------------------------------+------------------------------------------------------+
+| in_deltaangl_x_raw | Raw X-axis delta angle channel value. |
++---------------------------------------+------------------------------------------------------+
+| in_deltaangl_y_raw | Raw Y-axis delta angle channel value. |
++---------------------------------------+------------------------------------------------------+
+| in_deltaangl_z_raw | Raw Z-axis delta angle channel value. |
++---------------------------------------+------------------------------------------------------+
+
++----------------------------------+-------------------------------------------+
+| Temperature sensor related files | Description |
++----------------------------------+-------------------------------------------+
+| in_temp0_raw | Raw temperature channel value. |
++----------------------------------+-------------------------------------------+
+| in_temp0_scale | Scale for the temperature sensor channel. |
++----------------------------------+-------------------------------------------+
+
++-------------------------------+---------------------------------------------------------+
+| Miscellaneous device files | Description |
++-------------------------------+---------------------------------------------------------+
+| name | Name of the IIO device. |
++-------------------------------+---------------------------------------------------------+
+| sampling_frequency | Currently selected sample rate. |
++-------------------------------+---------------------------------------------------------+
+| filter_low_pass_3db_frequency | Bandwidth for the accelerometer and gyroscope channels. |
++-------------------------------+---------------------------------------------------------+
+
+The following table shows the adis16475 related device debug files, found in the
+specific device debug folder path ``/sys/kernel/debug/iio/iio:deviceX``.
+
++----------------------+-------------------------------------------------------------------------+
+| Debugfs device files | Description |
++----------------------+-------------------------------------------------------------------------+
+| serial_number | The serial number of the chip in hexadecimal format. |
++----------------------+-------------------------------------------------------------------------+
+| product_id | Chip specific product id (e.g. 16475, 16500, 16505, etc.). |
++----------------------+-------------------------------------------------------------------------+
+| flash_count | The number of flash writes performed on the device. |
++----------------------+-------------------------------------------------------------------------+
+| firmware_revision | String containing the firmware revision in the following format ##.##. |
++----------------------+-------------------------------------------------------------------------+
+| firmware_date | String containing the firmware date in the following format mm-dd-yyyy. |
++----------------------+-------------------------------------------------------------------------+
+
+Channels processed values
+-------------------------
+
+A channel value can be read from its _raw attribute. The value returned is the
+raw value as reported by the devices. To get the processed value of the channel,
+apply the following formula:
+
+.. code-block:: bash
+
+ processed value = (_raw + _offset) * _scale
+
+Where _offset and _scale are device attributes. If no _offset attribute is
+present, simply assume its value is 0.
+
+The adis16475 driver offers data for 5 types of channels, the table below shows
+the measurement units for the processed value, which are defined by the IIO
+framework:
+
++-------------------------------------+---------------------------+
+| Channel type | Measurement unit |
++-------------------------------------+---------------------------+
+| Acceleration on X, Y, and Z axis | Meters per Second squared |
++-------------------------------------+---------------------------+
+| Angular velocity on X, Y and Z axis | Radians per second |
++-------------------------------------+---------------------------+
+| Delta velocity on X. Y, and Z axis | Meters per Second |
++-------------------------------------+---------------------------+
+| Delta angle on X, Y, and Z axis | Radians |
++-------------------------------------+---------------------------+
+| Temperature | Millidegrees Celsius |
++-------------------------------------+---------------------------+
+
+Usage examples
+--------------
+
+Show device name:
+
+.. code-block:: bash
+
+ root:/sys/bus/iio/devices/iio:device0> cat name
+ adis16505-2
+
+Show accelerometer channels value:
+
+.. code-block:: bash
+
+ root:/sys/bus/iio/devices/iio:device0> cat in_accel_x_raw
+ -275924
+ root:/sys/bus/iio/devices/iio:device0> cat in_accel_y_raw
+ -30142222
+ root:/sys/bus/iio/devices/iio:device0> cat in_accel_z_raw
+ 261265769
+ root:/sys/bus/iio/devices/iio:device0> cat in_accel_scale
+ 0.000000037
+
+- X-axis acceleration = in_accel_x_raw * in_accel_scale = −0.010209188 m/s^2
+- Y-axis acceleration = in_accel_y_raw * in_accel_scale = −1.115262214 m/s^2
+- Z-axis acceleration = in_accel_z_raw * in_accel_scale = 9.666833453 m/s^2
+
+Show gyroscope channels value:
+
+.. code-block:: bash
+
+ root:/sys/bus/iio/devices/iio:device0> cat in_anglvel_x_raw
+ -3324626
+ root:/sys/bus/iio/devices/iio:device0> cat in_anglvel_y_raw
+ 1336980
+ root:/sys/bus/iio/devices/iio:device0> cat in_anglvel_z_raw
+ -602983
+ root:/sys/bus/iio/devices/iio:device0> cat in_anglvel_scale
+ 0.000000006
+
+- X-axis angular velocity = in_anglvel_x_raw * in_anglvel_scale = −0.019947756 rad/s
+- Y-axis angular velocity = in_anglvel_y_raw * in_anglvel_scale = 0.00802188 rad/s
+- Z-axis angular velocity = in_anglvel_z_raw * in_anglvel_scale = −0.003617898 rad/s
+
+Set calibration offset for accelerometer channels:
+
+.. code-block:: bash
+
+ root:/sys/bus/iio/devices/iio:device0> cat in_accel_x_calibbias
+ 0
+
+ root:/sys/bus/iio/devices/iio:device0> echo 5000 > in_accel_x_calibbias
+ root:/sys/bus/iio/devices/iio:device0> cat in_accel_x_calibbias
+ 5000
+
+Set calibration offset for gyroscope channels:
+
+.. code-block:: bash
+
+ root:/sys/bus/iio/devices/iio:device0> cat in_anglvel_y_calibbias
+ 0
+
+ root:/sys/bus/iio/devices/iio:device0> echo -5000 > in_anglvel_y_calibbias
+ root:/sys/bus/iio/devices/iio:device0> cat in_anglvel_y_calibbias
+ -5000
+
+Set sampling frequency:
+
+.. code-block:: bash
+
+ root:/sys/bus/iio/devices/iio:device0> cat sampling_frequency
+ 2000.000000
+
+ root:/sys/bus/iio/devices/iio:device0> echo 1000 > sampling_frequency
+ 1000.000000
+
+Set bandwidth for accelerometer and gyroscope:
+
+.. code-block:: bash
+
+ root:/sys/bus/iio/devices/iio:device0> cat filter_low_pass_3db_frequency
+ 720
+
+ root:/sys/bus/iio/devices/iio:device0> echo 360 > filter_low_pass_3db_frequency
+ root:/sys/bus/iio/devices/iio:device0> cat filter_low_pass_3db_frequency
+ 360
+
+Show serial number:
+
+.. code-block:: bash
+
+ root:/sys/kernel/debug/iio/iio:device0> cat serial_number
+ 0x04f9
+
+Show product id:
+
+.. code-block:: bash
+
+ root:/sys/kernel/debug/iio/iio:device0> cat product_id
+ 16505
+
+Show flash count:
+
+.. code-block:: bash
+
+ root:/sys/kernel/debug/iio/iio:device0> cat flash_count
+ 150
+
+Show firmware revision:
+
+.. code-block:: bash
+
+ root:/sys/kernel/debug/iio/iio:device0> cat firmware_revision
+ 1.6
+
+Show firmware date:
+
+.. code-block:: bash
+
+ root:/sys/kernel/debug/iio/iio:device0> cat firmware_date
+ 06-27-2019
+
+3. Device buffers
+=================
+
+This driver supports IIO buffers.
+
+All devices support retrieving the raw acceleration, gyroscope and temperature
+measurements using buffers.
+
+The following device families also support retrieving the delta velocity, delta
+angle and temperature measurements using buffers:
+
+- ADIS16477
+- ADIS16500
+- ADIS16505
+- ADIS16507
+
+However, when retrieving acceleration or gyroscope data using buffers, delta
+readings will not be available and vice versa.
+
+Usage examples
+--------------
+
+Set device trigger in current_trigger, if not already set:
+
+.. code-block:: bash
+
+ root:/sys/bus/iio/devices/iio:device0> cat trigger/current_trigger
+
+ root:/sys/bus/iio/devices/iio:device0> echo adis16505-2-dev0 > trigger/current_trigger
+ root:/sys/bus/iio/devices/iio:device0> cat trigger/current_trigger
+ adis16505-2-dev0
+
+Select channels for buffer read:
+
+.. code-block:: bash
+
+ root:/sys/bus/iio/devices/iio:device0> echo 1 > scan_elements/in_deltavelocity_x_en
+ root:/sys/bus/iio/devices/iio:device0> echo 1 > scan_elements/in_deltavelocity_y_en
+ root:/sys/bus/iio/devices/iio:device0> echo 1 > scan_elements/in_deltavelocity_z_en
+ root:/sys/bus/iio/devices/iio:device0> echo 1 > scan_elements/in_temp0_en
+
+Set the number of samples to be stored in the buffer:
+
+.. code-block:: bash
+
+ root:/sys/bus/iio/devices/iio:device0> echo 10 > buffer/length
+
+Enable buffer readings:
+
+.. code-block:: bash
+
+ root:/sys/bus/iio/devices/iio:device0> echo 1 > buffer/enable
+
+Obtain buffered data:
+
+.. code-block:: bash
+
+ root:/sys/bus/iio/devices/iio:device0> hexdump -C /dev/iio\:device0
+ ...
+ 00001680 01 1f 00 00 ff ff fe ef 00 00 47 bf 00 03 35 55 |..........G...5U|
+ 00001690 01 1f 00 00 ff ff ff d9 00 00 46 f1 00 03 35 35 |..........F...55|
+ 000016a0 01 1f 00 00 ff ff fe fc 00 00 46 cb 00 03 35 7b |..........F...5{|
+ 000016b0 01 1f 00 00 ff ff fe 41 00 00 47 0d 00 03 35 8b |.......A..G...5.|
+ 000016c0 01 1f 00 00 ff ff fe 37 00 00 46 b4 00 03 35 90 |.......7..F...5.|
+ 000016d0 01 1d 00 00 ff ff fe 5a 00 00 45 d7 00 03 36 08 |.......Z..E...6.|
+ 000016e0 01 1b 00 00 ff ff fe fb 00 00 45 e7 00 03 36 60 |..........E...6`|
+ 000016f0 01 1a 00 00 ff ff ff 17 00 00 46 bc 00 03 36 de |..........F...6.|
+ 00001700 01 1a 00 00 ff ff fe 59 00 00 46 d7 00 03 37 b8 |.......Y..F...7.|
+ 00001710 01 1a 00 00 ff ff fe ae 00 00 46 95 00 03 37 ba |..........F...7.|
+ 00001720 01 1a 00 00 ff ff fe c5 00 00 46 63 00 03 37 9f |..........Fc..7.|
+ 00001730 01 1a 00 00 ff ff fe 55 00 00 46 89 00 03 37 c1 |.......U..F...7.|
+ 00001740 01 1a 00 00 ff ff fe 31 00 00 46 aa 00 03 37 f7 |.......1..F...7.|
+ ...
+
+See ``Documentation/iio/iio_devbuf.rst`` for more information about how buffered
+data is structured.
+
+4. IIO Interfacing Tools
+========================
+
+Linux Kernel Tools
+------------------
+
+Linux Kernel provides some userspace tools that can be used to retrieve data
+from IIO sysfs:
+
+* lsiio: example application that provides a list of IIO devices and triggers
+* iio_event_monitor: example application that reads events from an IIO device
+ and prints them
+* iio_generic_buffer: example application that reads data from buffer
+* iio_utils: set of APIs, typically used to access sysfs files.
+
+LibIIO
+------
+
+LibIIO is a C/C++ library that provides generic access to IIO devices. The
+library abstracts the low-level details of the hardware, and provides a simple
+yet complete programming interface that can be used for advanced projects.
+
+For more information about LibIIO, please see:
+https://github.com/analogdevicesinc/libiio
diff --git a/Documentation/iio/index.rst b/Documentation/iio/index.rst
index 206a0aff5ca11..30b09eefe75ed 100644
--- a/Documentation/iio/index.rst
+++ b/Documentation/iio/index.rst
@@ -16,5 +16,6 @@ Industrial I/O Kernel Drivers
.. toctree::
:maxdepth: 1
+ adis16475
bno055
ep93xx_adc
--
GitLab
From debabbb1f272f6c21b468838a0cbafc5d2c90e8b Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Thu, 22 Feb 2024 09:14:25 +0300
Subject: [PATCH 0722/2686] iio: adc: ti-ads1298: Fix error code in probe()
There is a copy and paste bug here, it should be "reg_vref" instead of
"reg_avdd". The "priv->reg_avdd" variable is zero so it ends up
returning success.
Fixes: 00ef7708fa60 ("iio: adc: ti-ads1298: Add driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Mike Looijmans <mike.looijmans@topic.nl>
Link: https://lore.kernel.org/r/5f393a87-ca8b-4e68-a6f4-a79f75a91ccb@moroto.mountain
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/ti-ads1298.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/adc/ti-ads1298.c b/drivers/iio/adc/ti-ads1298.c
index ed895a30beedc..67637f1abdc74 100644
--- a/drivers/iio/adc/ti-ads1298.c
+++ b/drivers/iio/adc/ti-ads1298.c
@@ -657,7 +657,7 @@ static int ads1298_probe(struct spi_device *spi)
priv->reg_vref = devm_regulator_get_optional(dev, "vref");
if (IS_ERR(priv->reg_vref)) {
if (PTR_ERR(priv->reg_vref) != -ENODEV)
- return dev_err_probe(dev, PTR_ERR(priv->reg_avdd),
+ return dev_err_probe(dev, PTR_ERR(priv->reg_vref),
"Failed to get vref regulator\n");
priv->reg_vref = NULL;
--
GitLab
From df621530462c681641425cfb416e411ff04b474a Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Thu, 22 Feb 2024 09:15:37 +0300
Subject: [PATCH 0723/2686] iio: adc: ti-ads1298: prevent divide by zero in
ads1298_set_samp_freq()
The "val" variable comes from the user so we need to ensure that it's not
zero. In fact, all negative values are invalid as well. Add a check for
that.
Fixes: 00ef7708fa60 ("iio: adc: ti-ads1298: Add driver")
Acked-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/c32c9087-86de-423b-8101-67b4a7f9d728@moroto.mountain
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/ti-ads1298.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iio/adc/ti-ads1298.c b/drivers/iio/adc/ti-ads1298.c
index 67637f1abdc74..1d1eaba3d6d12 100644
--- a/drivers/iio/adc/ti-ads1298.c
+++ b/drivers/iio/adc/ti-ads1298.c
@@ -258,6 +258,8 @@ static int ads1298_set_samp_freq(struct ads1298_private *priv, int val)
rate = ADS1298_CLK_RATE_HZ;
if (!rate)
return -EINVAL;
+ if (val <= 0)
+ return -EINVAL;
factor = (rate >> ADS1298_SHIFT_DR_HR) / val;
if (factor >= BIT(ADS1298_SHIFT_DR_LP))
--
GitLab
From 3bdb96c9d503d478350869cffcfd1872a57550db Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Thu, 22 Feb 2024 13:55:52 +0100
Subject: [PATCH 0724/2686] iio: temperature: ltc2983: make use of
spi_get_device_match_data()
Use spi_get_device_match_data() as it simplifies the code. No functional
change intended...
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240222-ltc2983-misc-improv-v1-1-cf7d4457e98c@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/temperature/ltc2983.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/iio/temperature/ltc2983.c b/drivers/iio/temperature/ltc2983.c
index fcb96c44d9540..acc631857e279 100644
--- a/drivers/iio/temperature/ltc2983.c
+++ b/drivers/iio/temperature/ltc2983.c
@@ -1614,9 +1614,7 @@ static int ltc2983_probe(struct spi_device *spi)
st = iio_priv(indio_dev);
- st->info = device_get_match_data(&spi->dev);
- if (!st->info)
- st->info = (void *)spi_get_device_id(spi)->driver_data;
+ st->info = spi_get_device_match_data(spi);
if (!st->info)
return -ENODEV;
--
GitLab
From dccdff35d3028b41a0a6e96dee5b8f36c55ea8d1 Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Thu, 22 Feb 2024 13:55:53 +0100
Subject: [PATCH 0725/2686] iio: temperature: ltc2983: rename
ltc2983_parse_dt()
Rename ltc2983_parse_dt() to ltc2983_parse_fw() as there's no explicit
dependency on devicetree. No functional change intended...
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240222-ltc2983-misc-improv-v1-2-cf7d4457e98c@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/temperature/ltc2983.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/temperature/ltc2983.c b/drivers/iio/temperature/ltc2983.c
index acc631857e279..23f2d43fc0404 100644
--- a/drivers/iio/temperature/ltc2983.c
+++ b/drivers/iio/temperature/ltc2983.c
@@ -1346,7 +1346,7 @@ static irqreturn_t ltc2983_irq_handler(int irq, void *data)
__chan; \
})
-static int ltc2983_parse_dt(struct ltc2983_data *st)
+static int ltc2983_parse_fw(struct ltc2983_data *st)
{
struct device *dev = &st->spi->dev;
struct fwnode_handle *child;
@@ -1630,7 +1630,7 @@ static int ltc2983_probe(struct spi_device *spi)
st->eeprom_key = cpu_to_be32(LTC2983_EEPROM_KEY);
spi_set_drvdata(spi, st);
- ret = ltc2983_parse_dt(st);
+ ret = ltc2983_parse_fw(st);
if (ret)
return ret;
--
GitLab
From 5cad30ab5021968ed031f681361fc5d3d1d3cd7e Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Thu, 22 Feb 2024 13:55:55 +0100
Subject: [PATCH 0726/2686] iio: temperature: ltc2983: explicitly set the name
in chip_info
Getting the part name with 'spi_get_device_id(spi)->name' is not a very
good pattern. Hence, explicitly add the name in the struct chip_info and
use that instead.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240222-ltc2983-misc-improv-v1-4-cf7d4457e98c@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/temperature/ltc2983.c | 20 +++++++++++++++-----
1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/drivers/iio/temperature/ltc2983.c b/drivers/iio/temperature/ltc2983.c
index 23f2d43fc0404..39447c786af34 100644
--- a/drivers/iio/temperature/ltc2983.c
+++ b/drivers/iio/temperature/ltc2983.c
@@ -207,6 +207,7 @@ enum {
container_of(_sensor, struct ltc2983_temp, sensor)
struct ltc2983_chip_info {
+ const char *name;
unsigned int max_channels_nr;
bool has_temp;
bool has_eeprom;
@@ -1605,7 +1606,6 @@ static int ltc2983_probe(struct spi_device *spi)
struct ltc2983_data *st;
struct iio_dev *indio_dev;
struct gpio_desc *gpio;
- const char *name = spi_get_device_id(spi)->name;
int ret;
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
@@ -1655,7 +1655,7 @@ static int ltc2983_probe(struct spi_device *spi)
return ret;
ret = devm_request_irq(&spi->dev, spi->irq, ltc2983_irq_handler,
- IRQF_TRIGGER_RISING, name, st);
+ IRQF_TRIGGER_RISING, st->info->name, st);
if (ret) {
dev_err(&spi->dev, "failed to request an irq, %d", ret);
return ret;
@@ -1670,7 +1670,7 @@ static int ltc2983_probe(struct spi_device *spi)
return ret;
}
- indio_dev->name = name;
+ indio_dev->name = st->info->name;
indio_dev->num_channels = st->iio_channels;
indio_dev->channels = st->iio_chan;
indio_dev->modes = INDIO_DIRECT_MODE;
@@ -1701,15 +1701,25 @@ static DEFINE_SIMPLE_DEV_PM_OPS(ltc2983_pm_ops, ltc2983_suspend,
ltc2983_resume);
static const struct ltc2983_chip_info ltc2983_chip_info_data = {
+ .name = "ltc2983",
.max_channels_nr = 20,
};
static const struct ltc2983_chip_info ltc2984_chip_info_data = {
+ .name = "ltc2984",
.max_channels_nr = 20,
.has_eeprom = true,
};
static const struct ltc2983_chip_info ltc2986_chip_info_data = {
+ .name = "ltc2986",
+ .max_channels_nr = 10,
+ .has_temp = true,
+ .has_eeprom = true,
+};
+
+static const struct ltc2983_chip_info ltm2985_chip_info_data = {
+ .name = "ltm2985",
.max_channels_nr = 10,
.has_temp = true,
.has_eeprom = true,
@@ -1719,7 +1729,7 @@ static const struct spi_device_id ltc2983_id_table[] = {
{ "ltc2983", (kernel_ulong_t)<c2983_chip_info_data },
{ "ltc2984", (kernel_ulong_t)<c2984_chip_info_data },
{ "ltc2986", (kernel_ulong_t)<c2986_chip_info_data },
- { "ltm2985", (kernel_ulong_t)<c2986_chip_info_data },
+ { "ltm2985", (kernel_ulong_t)<m2985_chip_info_data },
{},
};
MODULE_DEVICE_TABLE(spi, ltc2983_id_table);
@@ -1728,7 +1738,7 @@ static const struct of_device_id ltc2983_of_match[] = {
{ .compatible = "adi,ltc2983", .data = <c2983_chip_info_data },
{ .compatible = "adi,ltc2984", .data = <c2984_chip_info_data },
{ .compatible = "adi,ltc2986", .data = <c2986_chip_info_data },
- { .compatible = "adi,ltm2985", .data = <c2986_chip_info_data },
+ { .compatible = "adi,ltm2985", .data = <m2985_chip_info_data },
{},
};
MODULE_DEVICE_TABLE(of, ltc2983_of_match);
--
GitLab
From a8ce0b4e5653c3aafd602be1e3aaf5d08cb00923 Mon Sep 17 00:00:00 2001
From: Marius Cristea <marius.cristea@microchip.com>
Date: Thu, 22 Feb 2024 18:42:05 +0200
Subject: [PATCH 0727/2686] dt-bindings: iio: adc: adding support for PAC193X
This is the device tree schema for iio driver for
Microchip PAC193X series of Power Monitors with Accumulator.
Signed-off-by: Marius Cristea <marius.cristea@microchip.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240222164206.65700-2-marius.cristea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../bindings/iio/adc/microchip,pac1934.yaml | 120 ++++++++++++++++++
1 file changed, 120 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml
diff --git a/Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml b/Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml
new file mode 100644
index 0000000000000..47a11a9ac95e2
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml
@@ -0,0 +1,120 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/microchip,pac1934.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip PAC1934 Power Monitors with Accumulator
+
+maintainers:
+ - Marius Cristea <marius.cristea@microchip.com>
+
+description: |
+ This device is part of the Microchip family of Power Monitors with
+ Accumulator.
+ The datasheet for PAC1931, PAC1932, PAC1933 and PAC1934 can be found here:
+ https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/PAC1931-Family-Data-Sheet-DS20005850E.pdf
+
+properties:
+ compatible:
+ enum:
+ - microchip,pac1931
+ - microchip,pac1932
+ - microchip,pac1933
+ - microchip,pac1934
+
+ reg:
+ maxItems: 1
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ interrupts:
+ maxItems: 1
+
+ slow-io-gpios:
+ description:
+ A GPIO used to trigger a change is sampling rate (lowering the chip power
+ consumption). If configured in SLOW mode, if this pin is forced high,
+ sampling rate is forced to eight samples/second. When it is forced low,
+ the sampling rate is 1024 samples/second unless a different sample rate
+ has been programmed.
+
+patternProperties:
+ "^channel@[1-4]+$":
+ type: object
+ $ref: adc.yaml
+ description:
+ Represents the external channels which are connected to the ADC.
+
+ properties:
+ reg:
+ items:
+ minimum: 1
+ maximum: 4
+
+ shunt-resistor-micro-ohms:
+ description:
+ Value in micro Ohms of the shunt resistor connected between
+ the SENSE+ and SENSE- inputs, across which the current is measured.
+ Value is needed to compute the scaling of the measured current.
+
+ required:
+ - reg
+ - shunt-resistor-micro-ohms
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ power-monitor@10 {
+ compatible = "microchip,pac1934";
+ reg = <0x10>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ channel@1 {
+ reg = <0x1>;
+ shunt-resistor-micro-ohms = <24900000>;
+ label = "CPU";
+ };
+
+ channel@2 {
+ reg = <0x2>;
+ shunt-resistor-micro-ohms = <49900000>;
+ label = "GPU";
+ };
+
+ channel@3 {
+ reg = <0x3>;
+ shunt-resistor-micro-ohms = <75000000>;
+ label = "MEM";
+ bipolar;
+ };
+
+ channel@4 {
+ reg = <0x4>;
+ shunt-resistor-micro-ohms = <100000000>;
+ label = "NET";
+ bipolar;
+ };
+ };
+ };
+
+...
--
GitLab
From 0fb528c8255bd2de6a2fba26ed28d75a7f0cb630 Mon Sep 17 00:00:00 2001
From: Marius Cristea <marius.cristea@microchip.com>
Date: Thu, 22 Feb 2024 18:42:06 +0200
Subject: [PATCH 0728/2686] iio: adc: adding support for PAC193x
This is the iio driver for Microchip
PAC193X series of Power Monitor with Accumulator chip family.
Signed-off-by: Marius Cristea <marius.cristea@microchip.com>
Link: https://lore.kernel.org/r/20240222164206.65700-3-marius.cristea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../ABI/testing/sysfs-bus-iio-adc-pac1934 | 9 +
MAINTAINERS | 7 +
drivers/iio/adc/Kconfig | 11 +
drivers/iio/adc/Makefile | 1 +
drivers/iio/adc/pac1934.c | 1636 +++++++++++++++++
5 files changed, 1664 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-adc-pac1934
create mode 100644 drivers/iio/adc/pac1934.c
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-pac1934 b/Documentation/ABI/testing/sysfs-bus-iio-adc-pac1934
new file mode 100644
index 0000000000000..625b7f8678478
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-pac1934
@@ -0,0 +1,9 @@
+What: /sys/bus/iio/devices/iio:deviceX/in_shunt_resistorY
+KernelVersion: 6.7
+Contact: linux-iio@vger.kernel.org
+Description:
+ The value of the shunt resistor may be known only at runtime
+ and set by a client application. This attribute allows to
+ set its value in micro-ohms. X is the IIO index of the device.
+ Y is the channel number. The value is used to calculate
+ current, power and accumulated energy.
diff --git a/MAINTAINERS b/MAINTAINERS
index d59d52ec8b066..031600dd6c2a3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14426,6 +14426,13 @@ F: Documentation/devicetree/bindings/nvmem/microchip,sama7g5-otpc.yaml
F: drivers/nvmem/microchip-otpc.c
F: include/dt-bindings/nvmem/microchip,sama7g5-otpc.h
+MICROCHIP PAC1934 POWER/ENERGY MONITOR DRIVER
+M: Marius Cristea <marius.cristea@microchip.com>
+L: linux-iio@vger.kernel.org
+S: Supported
+F: Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml
+F: drivers/iio/adc/pac1934.c
+
MICROCHIP PCI1XXXX GP DRIVER
M: Vaibhaav Ram T.L <vaibhaavram.tl@microchip.com>
M: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index d4462c202784c..0d9282fa67f59 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -930,6 +930,17 @@ config NPCM_ADC
This driver can also be built as a module. If so, the module
will be called npcm_adc.
+config PAC1934
+ tristate "Microchip Technology PAC1934 driver"
+ depends on I2C
+ help
+ Say yes here to build support for Microchip Technology's PAC1931,
+ PAC1932, PAC1933, PAC1934 Single/Multi-Channel Power Monitor with
+ Accumulator.
+
+ This driver can also be built as a module. If so, the module
+ will be called pac1934.
+
config PALMAS_GPADC
tristate "TI Palmas General Purpose ADC"
depends on MFD_PALMAS
diff --git a/drivers/iio/adc/Makefile b/drivers/iio/adc/Makefile
index a64326f40fcbe..b3c434722364a 100644
--- a/drivers/iio/adc/Makefile
+++ b/drivers/iio/adc/Makefile
@@ -86,6 +86,7 @@ obj-$(CONFIG_MP2629_ADC) += mp2629_adc.o
obj-$(CONFIG_MXS_LRADC_ADC) += mxs-lradc-adc.o
obj-$(CONFIG_NAU7802) += nau7802.o
obj-$(CONFIG_NPCM_ADC) += npcm_adc.o
+obj-$(CONFIG_PAC1934) += pac1934.o
obj-$(CONFIG_PALMAS_GPADC) += palmas_gpadc.o
obj-$(CONFIG_QCOM_SPMI_ADC5) += qcom-spmi-adc5.o
obj-$(CONFIG_QCOM_SPMI_IADC) += qcom-spmi-iadc.o
diff --git a/drivers/iio/adc/pac1934.c b/drivers/iio/adc/pac1934.c
new file mode 100644
index 0000000000000..e0c2742da5236
--- /dev/null
+++ b/drivers/iio/adc/pac1934.c
@@ -0,0 +1,1636 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * IIO driver for PAC1934 Multi-Channel DC Power/Energy Monitor
+ *
+ * Copyright (C) 2017-2024 Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Bogdan Bolocan <bogdan.bolocan@microchip.com>
+ * Author: Victor Tudose
+ * Author: Marius Cristea <marius.cristea@microchip.com>
+ *
+ * Datasheet for PAC1931, PAC1932, PAC1933 and PAC1934 can be found here:
+ * https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/PAC1931-Family-Data-Sheet-DS20005850E.pdf
+ */
+
+#include <linux/acpi.h>
+#include <linux/bitfield.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <asm/unaligned.h>
+
+/*
+ * maximum accumulation time should be (17 * 60 * 1000) around 17 minutes@1024 sps
+ * till PAC1934 accumulation registers starts to saturate
+ */
+#define PAC1934_MAX_RFSH_LIMIT_MS 60000
+/* 50msec is the timeout for validity of the cached registers */
+#define PAC1934_MIN_POLLING_TIME_MS 50
+/*
+ * 1000usec is the minimum wait time for normal conversions when sample
+ * rate doesn't change
+ */
+#define PAC1934_MIN_UPDATE_WAIT_TIME_US 1000
+
+/* 32000mV */
+#define PAC1934_VOLTAGE_MILLIVOLTS_MAX 32000
+/* voltage bits resolution when set for unsigned values */
+#define PAC1934_VOLTAGE_U_RES 16
+/* voltage bits resolution when set for signed values */
+#define PAC1934_VOLTAGE_S_RES 15
+
+/*
+ * max signed value that can be stored on 32 bits and 8 digits fractional value
+ * (2^31 - 1) * 10^8 + 99999999
+ */
+#define PAC_193X_MAX_POWER_ACC 214748364799999999LL
+/*
+ * min signed value that can be stored on 32 bits and 8 digits fractional value
+ * -(2^31) * 10^8 - 99999999
+ */
+#define PAC_193X_MIN_POWER_ACC -214748364899999999LL
+
+#define PAC1934_MAX_NUM_CHANNELS 4
+
+#define PAC1934_MEAS_REG_LEN 76
+#define PAC1934_CTRL_REG_LEN 12
+
+#define PAC1934_DEFAULT_CHIP_SAMP_SPEED_HZ 1024
+
+/* I2C address map */
+#define PAC1934_REFRESH_REG_ADDR 0x00
+#define PAC1934_CTRL_REG_ADDR 0x01
+#define PAC1934_ACC_COUNT_REG_ADDR 0x02
+#define PAC1934_VPOWER_ACC_1_ADDR 0x03
+#define PAC1934_VPOWER_ACC_2_ADDR 0x04
+#define PAC1934_VPOWER_ACC_3_ADDR 0x05
+#define PAC1934_VPOWER_ACC_4_ADDR 0x06
+#define PAC1934_VBUS_1_ADDR 0x07
+#define PAC1934_VBUS_2_ADDR 0x08
+#define PAC1934_VBUS_3_ADDR 0x09
+#define PAC1934_VBUS_4_ADDR 0x0A
+#define PAC1934_VSENSE_1_ADDR 0x0B
+#define PAC1934_VSENSE_2_ADDR 0x0C
+#define PAC1934_VSENSE_3_ADDR 0x0D
+#define PAC1934_VSENSE_4_ADDR 0x0E
+#define PAC1934_VBUS_AVG_1_ADDR 0x0F
+#define PAC1934_VBUS_AVG_2_ADDR 0x10
+#define PAC1934_VBUS_AVG_3_ADDR 0x11
+#define PAC1934_VBUS_AVG_4_ADDR 0x12
+#define PAC1934_VSENSE_AVG_1_ADDR 0x13
+#define PAC1934_VSENSE_AVG_2_ADDR 0x14
+#define PAC1934_VSENSE_AVG_3_ADDR 0x15
+#define PAC1934_VSENSE_AVG_4_ADDR 0x16
+#define PAC1934_VPOWER_1_ADDR 0x17
+#define PAC1934_VPOWER_2_ADDR 0x18
+#define PAC1934_VPOWER_3_ADDR 0x19
+#define PAC1934_VPOWER_4_ADDR 0x1A
+#define PAC1934_REFRESH_V_REG_ADDR 0x1F
+#define PAC1934_CTRL_STAT_REGS_ADDR 0x1C
+#define PAC1934_PID_REG_ADDR 0xFD
+#define PAC1934_MID_REG_ADDR 0xFE
+#define PAC1934_RID_REG_ADDR 0xFF
+
+/* PRODUCT ID REGISTER + MANUFACTURER ID REGISTER + REVISION ID REGISTER */
+#define PAC1934_ID_REG_LEN 3
+#define PAC1934_PID_IDX 0
+#define PAC1934_MID_IDX 1
+#define PAC1934_RID_IDX 2
+
+#define PAC1934_ACPI_GET_NAMES_AND_MOHMS_VALS 1
+#define PAC1934_ACPI_GET_UOHMS_VALS 2
+#define PAC1934_ACPI_GET_BIPOLAR_SETTINGS 4
+#define PAC1934_ACPI_GET_SAMP 5
+
+#define PAC1934_SAMPLE_RATE_SHIFT 6
+
+#define PAC1934_VBUS_SENSE_REG_LEN 2
+#define PAC1934_ACC_REG_LEN 3
+#define PAC1934_VPOWER_REG_LEN 4
+#define PAC1934_VPOWER_ACC_REG_LEN 6
+#define PAC1934_MAX_REGISTER_LENGTH 6
+
+#define PAC1934_CUSTOM_ATTR_FOR_CHANNEL 1
+
+/*
+ * relative offsets when using multi-byte reads/writes even though these
+ * bytes are read one after the other, they are not at adjacent memory
+ * locations within the I2C memory map. The chip can skip some addresses
+ */
+#define PAC1934_CHANNEL_DIS_REG_OFF 0
+#define PAC1934_NEG_PWR_REG_OFF 1
+
+/*
+ * when reading/writing multiple bytes from offset PAC1934_CHANNEL_DIS_REG_OFF,
+ * the chip jumps over the 0x1E (REFRESH_G) and 0x1F (REFRESH_V) offsets
+ */
+#define PAC1934_SLOW_REG_OFF 2
+#define PAC1934_CTRL_ACT_REG_OFF 3
+#define PAC1934_CHANNEL_DIS_ACT_REG_OFF 4
+#define PAC1934_NEG_PWR_ACT_REG_OFF 5
+#define PAC1934_CTRL_LAT_REG_OFF 6
+#define PAC1934_CHANNEL_DIS_LAT_REG_OFF 7
+#define PAC1934_NEG_PWR_LAT_REG_OFF 8
+#define PAC1934_PID_REG_OFF 9
+#define PAC1934_MID_REG_OFF 10
+#define PAC1934_REV_REG_OFF 11
+#define PAC1934_CTRL_STATUS_INFO_LEN 12
+
+#define PAC1934_MID 0x5D
+#define PAC1931_PID 0x58
+#define PAC1932_PID 0x59
+#define PAC1933_PID 0x5A
+#define PAC1934_PID 0x5B
+
+/* Scale constant = (10^3 * 3.2 * 10^9 / 2^28) for mili Watt-second */
+#define PAC1934_SCALE_CONSTANT 11921
+
+#define PAC1934_MAX_VPOWER_RSHIFTED_BY_28B 11921
+#define PAC1934_MAX_VSENSE_RSHIFTED_BY_16B 1525
+
+#define PAC1934_DEV_ATTR(name) (&iio_dev_attr_##name.dev_attr.attr)
+
+#define PAC1934_CRTL_SAMPLE_RATE_MASK GENMASK(7, 6)
+#define PAC1934_CHAN_SLEEP_MASK BIT(5)
+#define PAC1934_CHAN_SLEEP_SET BIT(5)
+#define PAC1934_CHAN_SINGLE_MASK BIT(4)
+#define PAC1934_CHAN_SINGLE_SHOT_SET BIT(4)
+#define PAC1934_CHAN_ALERT_MASK BIT(3)
+#define PAC1934_CHAN_ALERT_EN BIT(3)
+#define PAC1934_CHAN_ALERT_CC_MASK BIT(2)
+#define PAC1934_CHAN_ALERT_CC_EN BIT(2)
+#define PAC1934_CHAN_OVF_ALERT_MASK BIT(1)
+#define PAC1934_CHAN_OVF_ALERT_EN BIT(1)
+#define PAC1934_CHAN_OVF_MASK BIT(0)
+
+#define PAC1934_CHAN_DIS_CH1_OFF_MASK BIT(7)
+#define PAC1934_CHAN_DIS_CH2_OFF_MASK BIT(6)
+#define PAC1934_CHAN_DIS_CH3_OFF_MASK BIT(5)
+#define PAC1934_CHAN_DIS_CH4_OFF_MASK BIT(4)
+#define PAC1934_SMBUS_TIMEOUT_MASK BIT(3)
+#define PAC1934_SMBUS_BYTECOUNT_MASK BIT(2)
+#define PAC1934_SMBUS_NO_SKIP_MASK BIT(1)
+
+#define PAC1934_NEG_PWR_CH1_BIDI_MASK BIT(7)
+#define PAC1934_NEG_PWR_CH2_BIDI_MASK BIT(6)
+#define PAC1934_NEG_PWR_CH3_BIDI_MASK BIT(5)
+#define PAC1934_NEG_PWR_CH4_BIDI_MASK BIT(4)
+#define PAC1934_NEG_PWR_CH1_BIDV_MASK BIT(3)
+#define PAC1934_NEG_PWR_CH2_BIDV_MASK BIT(2)
+#define PAC1934_NEG_PWR_CH3_BIDV_MASK BIT(1)
+#define PAC1934_NEG_PWR_CH4_BIDV_MASK BIT(0)
+
+/*
+ * Universal Unique Identifier (UUID),
+ * 033771E0-1705-47B4-9535-D1BBE14D9A09,
+ * is reserved to Microchip for the PAC1934.
+ */
+#define PAC1934_DSM_UUID "033771E0-1705-47B4-9535-D1BBE14D9A09"
+
+enum pac1934_ids {
+ PAC1931,
+ PAC1932,
+ PAC1933,
+ PAC1934
+};
+
+enum pac1934_samps {
+ PAC1934_SAMP_1024SPS,
+ PAC1934_SAMP_256SPS,
+ PAC1934_SAMP_64SPS,
+ PAC1934_SAMP_8SPS
+};
+
+/*
+ * these indexes are exactly describing the element order within a single
+ * PAC1934 phys channel IIO channel descriptor; see the static const struct
+ * iio_chan_spec pac1934_single_channel[] declaration
+ */
+enum pac1934_ch_idx {
+ PAC1934_CH_ENERGY,
+ PAC1934_CH_POWER,
+ PAC1934_CH_VOLTAGE,
+ PAC1934_CH_CURRENT,
+ PAC1934_CH_VOLTAGE_AVERAGE,
+ PAC1934_CH_CURRENT_AVERAGE
+};
+
+/**
+ * struct pac1934_features - features of a pac1934 instance
+ * @phys_channels: number of physical channels supported by the chip
+ * @name: chip's name
+ */
+struct pac1934_features {
+ u8 phys_channels;
+ const char *name;
+};
+
+struct samp_rate_mapping {
+ u16 samp_rate;
+ u8 shift2value;
+};
+
+static const unsigned int samp_rate_map_tbl[] = {
+ [PAC1934_SAMP_1024SPS] = 1024,
+ [PAC1934_SAMP_256SPS] = 256,
+ [PAC1934_SAMP_64SPS] = 64,
+ [PAC1934_SAMP_8SPS] = 8,
+};
+
+static const struct pac1934_features pac1934_chip_config[] = {
+ [PAC1931] = {
+ .phys_channels = 1,
+ .name = "pac1931",
+ },
+ [PAC1932] = {
+ .phys_channels = 2,
+ .name = "pac1932",
+ },
+ [PAC1933] = {
+ .phys_channels = 3,
+ .name = "pac1933",
+ },
+ [PAC1934] = {
+ .phys_channels = 4,
+ .name = "pac1934",
+ },
+};
+
+/**
+ * struct reg_data - data from the registers
+ * @meas_regs: snapshot of raw measurements registers
+ * @ctrl_regs: snapshot of control registers
+ * @energy_sec_acc: snapshot of energy values
+ * @vpower_acc: accumulated vpower values
+ * @vpower: snapshot of vpower registers
+ * @vbus: snapshot of vbus registers
+ * @vbus_avg: averages of vbus registers
+ * @vsense: snapshot of vsense registers
+ * @vsense_avg: averages of vsense registers
+ * @num_enabled_channels: count of how many chip channels are currently enabled
+ */
+struct reg_data {
+ u8 meas_regs[PAC1934_MEAS_REG_LEN];
+ u8 ctrl_regs[PAC1934_CTRL_REG_LEN];
+ s64 energy_sec_acc[PAC1934_MAX_NUM_CHANNELS];
+ s64 vpower_acc[PAC1934_MAX_NUM_CHANNELS];
+ s32 vpower[PAC1934_MAX_NUM_CHANNELS];
+ s32 vbus[PAC1934_MAX_NUM_CHANNELS];
+ s32 vbus_avg[PAC1934_MAX_NUM_CHANNELS];
+ s32 vsense[PAC1934_MAX_NUM_CHANNELS];
+ s32 vsense_avg[PAC1934_MAX_NUM_CHANNELS];
+ u8 num_enabled_channels;
+};
+
+/**
+ * struct pac1934_chip_info - information about the chip
+ * @client: the i2c-client attached to the device
+ * @lock: synchronize access to driver's state members
+ * @work_chip_rfsh: work queue used for refresh commands
+ * @phys_channels: phys channels count
+ * @active_channels: array of values, true means that channel is active
+ * @enable_energy: array of values, true means that channel energy is measured
+ * @bi_dir: array of bools, true means that channel is bidirectional
+ * @chip_variant: chip variant
+ * @chip_revision: chip revision
+ * @shunts: shunts
+ * @chip_reg_data: chip reg data
+ * @sample_rate_value: sampling frequency
+ * @labels: table with channels labels
+ * @iio_info: iio_info
+ * @tstamp: chip's uptime
+ */
+struct pac1934_chip_info {
+ struct i2c_client *client;
+ struct mutex lock; /* synchronize access to driver's state members */
+ struct delayed_work work_chip_rfsh;
+ u8 phys_channels;
+ bool active_channels[PAC1934_MAX_NUM_CHANNELS];
+ bool enable_energy[PAC1934_MAX_NUM_CHANNELS];
+ bool bi_dir[PAC1934_MAX_NUM_CHANNELS];
+ u8 chip_variant;
+ u8 chip_revision;
+ u32 shunts[PAC1934_MAX_NUM_CHANNELS];
+ struct reg_data chip_reg_data;
+ s32 sample_rate_value;
+ char *labels[PAC1934_MAX_NUM_CHANNELS];
+ struct iio_info iio_info;
+ unsigned long tstamp;
+};
+
+#define TO_PAC1934_CHIP_INFO(d) container_of(d, struct pac1934_chip_info, work_chip_rfsh)
+
+#define PAC1934_VPOWER_ACC_CHANNEL(_index, _si, _address) { \
+ .type = IIO_ENERGY, \
+ .address = (_address), \
+ .indexed = 1, \
+ .channel = (_index), \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \
+ BIT(IIO_CHAN_INFO_SCALE) | \
+ BIT(IIO_CHAN_INFO_ENABLE), \
+ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .info_mask_shared_by_all_available = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .scan_index = (_si), \
+ .scan_type = { \
+ .sign = 'u', \
+ .realbits = 48, \
+ .storagebits = 64, \
+ .endianness = IIO_CPU, \
+ } \
+}
+
+#define PAC1934_VBUS_CHANNEL(_index, _si, _address) { \
+ .type = IIO_VOLTAGE, \
+ .address = (_address), \
+ .indexed = 1, \
+ .channel = (_index), \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \
+ BIT(IIO_CHAN_INFO_SCALE), \
+ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .info_mask_shared_by_all_available = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .scan_index = (_si), \
+ .scan_type = { \
+ .sign = 'u', \
+ .realbits = 16, \
+ .storagebits = 16, \
+ .endianness = IIO_CPU, \
+ } \
+}
+
+#define PAC1934_VBUS_AVG_CHANNEL(_index, _si, _address) { \
+ .type = IIO_VOLTAGE, \
+ .address = (_address), \
+ .indexed = 1, \
+ .channel = (_index), \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_AVERAGE_RAW) | \
+ BIT(IIO_CHAN_INFO_SCALE), \
+ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .info_mask_shared_by_all_available = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .scan_index = (_si), \
+ .scan_type = { \
+ .sign = 'u', \
+ .realbits = 16, \
+ .storagebits = 16, \
+ .endianness = IIO_CPU, \
+ } \
+}
+
+#define PAC1934_VSENSE_CHANNEL(_index, _si, _address) { \
+ .type = IIO_CURRENT, \
+ .address = (_address), \
+ .indexed = 1, \
+ .channel = (_index), \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \
+ BIT(IIO_CHAN_INFO_SCALE), \
+ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .info_mask_shared_by_all_available = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .scan_index = (_si), \
+ .scan_type = { \
+ .sign = 'u', \
+ .realbits = 16, \
+ .storagebits = 16, \
+ .endianness = IIO_CPU, \
+ } \
+}
+
+#define PAC1934_VSENSE_AVG_CHANNEL(_index, _si, _address) { \
+ .type = IIO_CURRENT, \
+ .address = (_address), \
+ .indexed = 1, \
+ .channel = (_index), \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_AVERAGE_RAW) | \
+ BIT(IIO_CHAN_INFO_SCALE), \
+ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .info_mask_shared_by_all_available = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .scan_index = (_si), \
+ .scan_type = { \
+ .sign = 'u', \
+ .realbits = 16, \
+ .storagebits = 16, \
+ .endianness = IIO_CPU, \
+ } \
+}
+
+#define PAC1934_VPOWER_CHANNEL(_index, _si, _address) { \
+ .type = IIO_POWER, \
+ .address = (_address), \
+ .indexed = 1, \
+ .channel = (_index), \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \
+ BIT(IIO_CHAN_INFO_SCALE), \
+ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .info_mask_shared_by_all_available = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .scan_index = (_si), \
+ .scan_type = { \
+ .sign = 'u', \
+ .realbits = 28, \
+ .storagebits = 32, \
+ .shift = 4, \
+ .endianness = IIO_CPU, \
+ } \
+}
+
+static const struct iio_chan_spec pac1934_single_channel[] = {
+ PAC1934_VPOWER_ACC_CHANNEL(0, 0, PAC1934_VPOWER_ACC_1_ADDR),
+ PAC1934_VPOWER_CHANNEL(0, 0, PAC1934_VPOWER_1_ADDR),
+ PAC1934_VBUS_CHANNEL(0, 0, PAC1934_VBUS_1_ADDR),
+ PAC1934_VSENSE_CHANNEL(0, 0, PAC1934_VSENSE_1_ADDR),
+ PAC1934_VBUS_AVG_CHANNEL(0, 0, PAC1934_VBUS_AVG_1_ADDR),
+ PAC1934_VSENSE_AVG_CHANNEL(0, 0, PAC1934_VSENSE_AVG_1_ADDR),
+};
+
+/* Low-level I2c functions used to transfer up to 76 bytes at once */
+static int pac1934_i2c_read(struct i2c_client *client, u8 reg_addr,
+ void *databuf, u8 len)
+{
+ int ret;
+ struct i2c_msg msgs[2] = {
+ {
+ .addr = client->addr,
+ .len = 1,
+ .buf = (u8 *)®_addr,
+ },
+ {
+ .addr = client->addr,
+ .len = len,
+ .buf = databuf,
+ .flags = I2C_M_RD
+ }
+ };
+
+ ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int pac1934_get_samp_rate_idx(struct pac1934_chip_info *info,
+ u32 new_samp_rate)
+{
+ int cnt;
+
+ for (cnt = 0; cnt < ARRAY_SIZE(samp_rate_map_tbl); cnt++)
+ if (new_samp_rate == samp_rate_map_tbl[cnt])
+ return cnt;
+
+ /* not a valid sample rate value */
+ return -EINVAL;
+}
+
+static ssize_t pac1934_shunt_value_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+ struct pac1934_chip_info *info = iio_priv(indio_dev);
+ struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+ return sysfs_emit(buf, "%u\n", info->shunts[this_attr->address]);
+}
+
+static ssize_t pac1934_shunt_value_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+ struct pac1934_chip_info *info = iio_priv(indio_dev);
+ struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+ int sh_val;
+
+ if (kstrtouint(buf, 10, &sh_val)) {
+ dev_err(dev, "Shunt value is not valid\n");
+ return -EINVAL;
+ }
+
+ scoped_guard(mutex, &info->lock)
+ info->shunts[this_attr->address] = sh_val;
+
+ return count;
+}
+
+static int pac1934_read_avail(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *channel,
+ const int **vals, int *type, int *length, long mask)
+{
+ switch (mask) {
+ case IIO_CHAN_INFO_SAMP_FREQ:
+ *type = IIO_VAL_INT;
+ *vals = samp_rate_map_tbl;
+ *length = ARRAY_SIZE(samp_rate_map_tbl);
+ return IIO_AVAIL_LIST;
+ }
+
+ return -EINVAL;
+}
+
+static int pac1934_send_refresh(struct pac1934_chip_info *info,
+ u8 refresh_cmd, u32 wait_time)
+{
+ /* this function only sends REFRESH or REFRESH_V */
+ struct i2c_client *client = info->client;
+ int ret;
+ u8 bidir_reg;
+ bool revision_bug = false;
+
+ if (info->chip_revision == 2 || info->chip_revision == 3) {
+ /*
+ * chip rev 2 and 3 bug workaround
+ * see: PAC1934 Family Data Sheet Errata DS80000836A.pdf
+ */
+ revision_bug = true;
+
+ bidir_reg =
+ FIELD_PREP(PAC1934_NEG_PWR_CH1_BIDI_MASK, info->bi_dir[0]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH2_BIDI_MASK, info->bi_dir[1]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH3_BIDI_MASK, info->bi_dir[2]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH4_BIDI_MASK, info->bi_dir[3]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH1_BIDV_MASK, info->bi_dir[0]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH2_BIDV_MASK, info->bi_dir[1]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH3_BIDV_MASK, info->bi_dir[2]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH4_BIDV_MASK, info->bi_dir[3]);
+
+ ret = i2c_smbus_write_byte_data(client,
+ PAC1934_CTRL_STAT_REGS_ADDR +
+ PAC1934_NEG_PWR_REG_OFF,
+ bidir_reg);
+ if (ret)
+ return ret;
+ }
+
+ ret = i2c_smbus_write_byte(client, refresh_cmd);
+ if (ret) {
+ dev_err(&client->dev, "%s - cannot send 0x%02X\n",
+ __func__, refresh_cmd);
+ return ret;
+ }
+
+ if (revision_bug) {
+ /*
+ * chip rev 2 and 3 bug workaround - write again the same
+ * register write the updated registers back
+ */
+ ret = i2c_smbus_write_byte_data(client,
+ PAC1934_CTRL_STAT_REGS_ADDR +
+ PAC1934_NEG_PWR_REG_OFF, bidir_reg);
+ if (ret)
+ return ret;
+ }
+
+ /* register data retrieval timestamp */
+ info->tstamp = jiffies;
+
+ /* wait till the data is available */
+ usleep_range(wait_time, wait_time + 100);
+
+ return ret;
+}
+
+static int pac1934_reg_snapshot(struct pac1934_chip_info *info,
+ bool do_refresh, u8 refresh_cmd, u32 wait_time)
+{
+ int ret;
+ struct i2c_client *client = info->client;
+ u8 samp_shift, ctrl_regs_tmp;
+ u8 *offset_reg_data_p;
+ u16 tmp_value;
+ u32 samp_rate, cnt, tmp;
+ s64 curr_energy, inc;
+ u64 tmp_energy;
+ struct reg_data *reg_data;
+
+ guard(mutex)(&info->lock);
+
+ if (do_refresh) {
+ ret = pac1934_send_refresh(info, refresh_cmd, wait_time);
+ if (ret < 0) {
+ dev_err(&client->dev,
+ "%s - cannot send refresh\n",
+ __func__);
+ return ret;
+ }
+ }
+
+ ret = i2c_smbus_read_i2c_block_data(client, PAC1934_CTRL_STAT_REGS_ADDR,
+ PAC1934_CTRL_REG_LEN,
+ (u8 *)info->chip_reg_data.ctrl_regs);
+ if (ret < 0) {
+ dev_err(&client->dev,
+ "%s - cannot read ctrl/status registers\n",
+ __func__);
+ return ret;
+ }
+
+ reg_data = &info->chip_reg_data;
+
+ /* read the data registers */
+ ret = pac1934_i2c_read(client, PAC1934_ACC_COUNT_REG_ADDR,
+ (u8 *)reg_data->meas_regs, PAC1934_MEAS_REG_LEN);
+ if (ret) {
+ dev_err(&client->dev,
+ "%s - cannot read ACC_COUNT register: %d:%d\n",
+ __func__, ret, PAC1934_MEAS_REG_LEN);
+ return ret;
+ }
+
+ /* see how much shift is required by the sample rate */
+ samp_rate = samp_rate_map_tbl[((reg_data->ctrl_regs[PAC1934_CTRL_LAT_REG_OFF]) >> 6)];
+ samp_shift = get_count_order(samp_rate);
+
+ ctrl_regs_tmp = reg_data->ctrl_regs[PAC1934_CHANNEL_DIS_LAT_REG_OFF];
+ offset_reg_data_p = ®_data->meas_regs[PAC1934_ACC_REG_LEN];
+
+ /* start with VPOWER_ACC */
+ for (cnt = 0; cnt < info->phys_channels; cnt++) {
+ /* check if the channel is active, skip all fields if disabled */
+ if ((ctrl_regs_tmp << cnt) & 0x80)
+ continue;
+
+ /* skip if the energy accumulation is disabled */
+ if (info->enable_energy[cnt]) {
+ curr_energy = info->chip_reg_data.energy_sec_acc[cnt];
+
+ tmp_energy = get_unaligned_be48(offset_reg_data_p);
+
+ if (info->bi_dir[cnt])
+ reg_data->vpower_acc[cnt] = sign_extend64(tmp_energy, 47);
+ else
+ reg_data->vpower_acc[cnt] = tmp_energy;
+
+ /*
+ * compute the scaled to 1 second accumulated energy value;
+ * energy accumulator scaled to 1sec = VPOWER_ACC/2^samp_shift
+ * the chip's sampling rate is 2^samp_shift samples/sec
+ */
+ inc = (reg_data->vpower_acc[cnt] >> samp_shift);
+
+ /* add the power_acc field */
+ curr_energy += inc;
+
+ clamp(curr_energy, PAC_193X_MIN_POWER_ACC, PAC_193X_MAX_POWER_ACC);
+
+ reg_data->energy_sec_acc[cnt] = curr_energy;
+ }
+
+ offset_reg_data_p += PAC1934_VPOWER_ACC_REG_LEN;
+ }
+
+ /* continue with VBUS */
+ for (cnt = 0; cnt < info->phys_channels; cnt++) {
+ if ((ctrl_regs_tmp << cnt) & 0x80)
+ continue;
+
+ tmp_value = get_unaligned_be16(offset_reg_data_p);
+
+ if (info->bi_dir[cnt])
+ reg_data->vbus[cnt] = sign_extend32((u32)(tmp_value), 15);
+ else
+ reg_data->vbus[cnt] = tmp_value;
+
+ offset_reg_data_p += PAC1934_VBUS_SENSE_REG_LEN;
+ }
+
+ /* VSENSE */
+ for (cnt = 0; cnt < info->phys_channels; cnt++) {
+ if ((ctrl_regs_tmp << cnt) & 0x80)
+ continue;
+
+ tmp_value = get_unaligned_be16(offset_reg_data_p);
+
+ if (info->bi_dir[cnt])
+ reg_data->vsense[cnt] = sign_extend32((u32)(tmp_value), 15);
+ else
+ reg_data->vsense[cnt] = tmp_value;
+
+ offset_reg_data_p += PAC1934_VBUS_SENSE_REG_LEN;
+ }
+
+ /* VBUS_AVG */
+ for (cnt = 0; cnt < info->phys_channels; cnt++) {
+ if ((ctrl_regs_tmp << cnt) & 0x80)
+ continue;
+
+ tmp_value = get_unaligned_be16(offset_reg_data_p);
+
+ if (info->bi_dir[cnt])
+ reg_data->vbus_avg[cnt] = sign_extend32((u32)(tmp_value), 15);
+ else
+ reg_data->vbus_avg[cnt] = tmp_value;
+
+ offset_reg_data_p += PAC1934_VBUS_SENSE_REG_LEN;
+ }
+
+ /* VSENSE_AVG */
+ for (cnt = 0; cnt < info->phys_channels; cnt++) {
+ if ((ctrl_regs_tmp << cnt) & 0x80)
+ continue;
+
+ tmp_value = get_unaligned_be16(offset_reg_data_p);
+
+ if (info->bi_dir[cnt])
+ reg_data->vsense_avg[cnt] = sign_extend32((u32)(tmp_value), 15);
+ else
+ reg_data->vsense_avg[cnt] = tmp_value;
+
+ offset_reg_data_p += PAC1934_VBUS_SENSE_REG_LEN;
+ }
+
+ /* VPOWER */
+ for (cnt = 0; cnt < info->phys_channels; cnt++) {
+ if ((ctrl_regs_tmp << cnt) & 0x80)
+ continue;
+
+ tmp = get_unaligned_be32(offset_reg_data_p) >> 4;
+
+ if (info->bi_dir[cnt])
+ reg_data->vpower[cnt] = sign_extend32(tmp, 27);
+ else
+ reg_data->vpower[cnt] = tmp;
+
+ offset_reg_data_p += PAC1934_VPOWER_REG_LEN;
+ }
+
+ return 0;
+}
+
+static int pac1934_retrieve_data(struct pac1934_chip_info *info,
+ u32 wait_time)
+{
+ int ret = 0;
+
+ /*
+ * check if the minimal elapsed time has passed and if so,
+ * re-read the chip, otherwise the cached info is just fine
+ */
+ if (time_after(jiffies, info->tstamp + msecs_to_jiffies(PAC1934_MIN_POLLING_TIME_MS))) {
+ ret = pac1934_reg_snapshot(info, true, PAC1934_REFRESH_REG_ADDR,
+ wait_time);
+
+ /*
+ * Re-schedule the work for the read registers on timeout
+ * (to prevent chip registers saturation)
+ */
+ mod_delayed_work(system_wq, &info->work_chip_rfsh,
+ msecs_to_jiffies(PAC1934_MAX_RFSH_LIMIT_MS));
+ }
+
+ return ret;
+}
+
+static int pac1934_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan, int *val,
+ int *val2, long mask)
+{
+ struct pac1934_chip_info *info = iio_priv(indio_dev);
+ s64 curr_energy;
+ int ret, channel = chan->channel - 1;
+
+ ret = pac1934_retrieve_data(info, PAC1934_MIN_UPDATE_WAIT_TIME_US);
+ if (ret < 0)
+ return ret;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ switch (chan->type) {
+ case IIO_VOLTAGE:
+ *val = info->chip_reg_data.vbus[channel];
+ return IIO_VAL_INT;
+ case IIO_CURRENT:
+ *val = info->chip_reg_data.vsense[channel];
+ return IIO_VAL_INT;
+ case IIO_POWER:
+ *val = info->chip_reg_data.vpower[channel];
+ return IIO_VAL_INT;
+ case IIO_ENERGY:
+ curr_energy = info->chip_reg_data.energy_sec_acc[channel];
+ *val = (u32)curr_energy;
+ *val2 = (u32)(curr_energy >> 32);
+ return IIO_VAL_INT_64;
+ default:
+ return -EINVAL;
+ }
+ case IIO_CHAN_INFO_AVERAGE_RAW:
+ switch (chan->type) {
+ case IIO_VOLTAGE:
+ *val = info->chip_reg_data.vbus_avg[channel];
+ return IIO_VAL_INT;
+ case IIO_CURRENT:
+ *val = info->chip_reg_data.vsense_avg[channel];
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+ case IIO_CHAN_INFO_SCALE:
+ switch (chan->address) {
+ /* Voltages - scale for millivolts */
+ case PAC1934_VBUS_1_ADDR:
+ case PAC1934_VBUS_2_ADDR:
+ case PAC1934_VBUS_3_ADDR:
+ case PAC1934_VBUS_4_ADDR:
+ case PAC1934_VBUS_AVG_1_ADDR:
+ case PAC1934_VBUS_AVG_2_ADDR:
+ case PAC1934_VBUS_AVG_3_ADDR:
+ case PAC1934_VBUS_AVG_4_ADDR:
+ *val = PAC1934_VOLTAGE_MILLIVOLTS_MAX;
+ if (chan->scan_type.sign == 'u')
+ *val2 = PAC1934_VOLTAGE_U_RES;
+ else
+ *val2 = PAC1934_VOLTAGE_S_RES;
+ return IIO_VAL_FRACTIONAL_LOG2;
+ /*
+ * Currents - scale for mA - depends on the
+ * channel's shunt value
+ * (100mV * 1000000) / (2^16 * shunt(uohm))
+ */
+ case PAC1934_VSENSE_1_ADDR:
+ case PAC1934_VSENSE_2_ADDR:
+ case PAC1934_VSENSE_3_ADDR:
+ case PAC1934_VSENSE_4_ADDR:
+ case PAC1934_VSENSE_AVG_1_ADDR:
+ case PAC1934_VSENSE_AVG_2_ADDR:
+ case PAC1934_VSENSE_AVG_3_ADDR:
+ case PAC1934_VSENSE_AVG_4_ADDR:
+ *val = PAC1934_MAX_VSENSE_RSHIFTED_BY_16B;
+ if (chan->scan_type.sign == 'u')
+ *val2 = info->shunts[channel];
+ else
+ *val2 = info->shunts[channel] >> 1;
+ return IIO_VAL_FRACTIONAL;
+ /*
+ * Power - uW - it will use the combined scale
+ * for current and voltage
+ * current(mA) * voltage(mV) = power (uW)
+ */
+ case PAC1934_VPOWER_1_ADDR:
+ case PAC1934_VPOWER_2_ADDR:
+ case PAC1934_VPOWER_3_ADDR:
+ case PAC1934_VPOWER_4_ADDR:
+ *val = PAC1934_MAX_VPOWER_RSHIFTED_BY_28B;
+ if (chan->scan_type.sign == 'u')
+ *val2 = info->shunts[channel];
+ else
+ *val2 = info->shunts[channel] >> 1;
+ return IIO_VAL_FRACTIONAL;
+ case PAC1934_VPOWER_ACC_1_ADDR:
+ case PAC1934_VPOWER_ACC_2_ADDR:
+ case PAC1934_VPOWER_ACC_3_ADDR:
+ case PAC1934_VPOWER_ACC_4_ADDR:
+ /*
+ * expresses the 32 bit scale value here compute
+ * the scale for energy (miliWatt-second or miliJoule)
+ */
+ *val = PAC1934_SCALE_CONSTANT;
+
+ if (chan->scan_type.sign == 'u')
+ *val2 = info->shunts[channel];
+ else
+ *val2 = info->shunts[channel] >> 1;
+ return IIO_VAL_FRACTIONAL;
+ default:
+ return -EINVAL;
+ }
+ case IIO_CHAN_INFO_SAMP_FREQ:
+ *val = info->sample_rate_value;
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_ENABLE:
+ *val = info->enable_energy[channel];
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int pac1934_write_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan,
+ int val, int val2, long mask)
+{
+ struct pac1934_chip_info *info = iio_priv(indio_dev);
+ struct i2c_client *client = info->client;
+ int ret = -EINVAL;
+ s32 old_samp_rate;
+ u8 ctrl_reg;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_SAMP_FREQ:
+ ret = pac1934_get_samp_rate_idx(info, val);
+ if (ret < 0)
+ return ret;
+
+ /* write the new sampling value and trigger a snapshot(incl refresh) */
+ scoped_guard(mutex, &info->lock) {
+ ctrl_reg = FIELD_PREP(PAC1934_CRTL_SAMPLE_RATE_MASK, ret);
+ ret = i2c_smbus_write_byte_data(client, PAC1934_CTRL_REG_ADDR, ctrl_reg);
+ if (ret) {
+ dev_err(&client->dev,
+ "%s - can't update sample rate\n",
+ __func__);
+ return ret;
+ }
+ }
+
+ old_samp_rate = info->sample_rate_value;
+ info->sample_rate_value = val;
+
+ /*
+ * now, force a snapshot with refresh - call retrieve
+ * data in order to update the refresh timer
+ * alter the timestamp in order to force trigger a
+ * register snapshot and a timestamp update
+ */
+ info->tstamp -= msecs_to_jiffies(PAC1934_MIN_POLLING_TIME_MS);
+ ret = pac1934_retrieve_data(info, (1024 / old_samp_rate) * 1000);
+ if (ret < 0) {
+ dev_err(&client->dev,
+ "%s - cannot snapshot ctrl and measurement regs\n",
+ __func__);
+ return ret;
+ }
+
+ return 0;
+ case IIO_CHAN_INFO_ENABLE:
+ scoped_guard(mutex, &info->lock) {
+ info->enable_energy[chan->channel - 1] = val ? true : false;
+ if (!val)
+ info->chip_reg_data.energy_sec_acc[chan->channel - 1] = 0;
+ }
+
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int pac1934_read_label(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan, char *label)
+{
+ struct pac1934_chip_info *info = iio_priv(indio_dev);
+
+ switch (chan->address) {
+ case PAC1934_VBUS_1_ADDR:
+ case PAC1934_VBUS_2_ADDR:
+ case PAC1934_VBUS_3_ADDR:
+ case PAC1934_VBUS_4_ADDR:
+ return sysfs_emit(label, "%s_VBUS_%d\n",
+ info->labels[chan->scan_index],
+ chan->scan_index + 1);
+ case PAC1934_VBUS_AVG_1_ADDR:
+ case PAC1934_VBUS_AVG_2_ADDR:
+ case PAC1934_VBUS_AVG_3_ADDR:
+ case PAC1934_VBUS_AVG_4_ADDR:
+ return sysfs_emit(label, "%s_VBUS_AVG_%d\n",
+ info->labels[chan->scan_index],
+ chan->scan_index + 1);
+ case PAC1934_VSENSE_1_ADDR:
+ case PAC1934_VSENSE_2_ADDR:
+ case PAC1934_VSENSE_3_ADDR:
+ case PAC1934_VSENSE_4_ADDR:
+ return sysfs_emit(label, "%s_IBUS_%d\n",
+ info->labels[chan->scan_index],
+ chan->scan_index + 1);
+ case PAC1934_VSENSE_AVG_1_ADDR:
+ case PAC1934_VSENSE_AVG_2_ADDR:
+ case PAC1934_VSENSE_AVG_3_ADDR:
+ case PAC1934_VSENSE_AVG_4_ADDR:
+ return sysfs_emit(label, "%s_IBUS_AVG_%d\n",
+ info->labels[chan->scan_index],
+ chan->scan_index + 1);
+ case PAC1934_VPOWER_1_ADDR:
+ case PAC1934_VPOWER_2_ADDR:
+ case PAC1934_VPOWER_3_ADDR:
+ case PAC1934_VPOWER_4_ADDR:
+ return sysfs_emit(label, "%s_POWER_%d\n",
+ info->labels[chan->scan_index],
+ chan->scan_index + 1);
+ case PAC1934_VPOWER_ACC_1_ADDR:
+ case PAC1934_VPOWER_ACC_2_ADDR:
+ case PAC1934_VPOWER_ACC_3_ADDR:
+ case PAC1934_VPOWER_ACC_4_ADDR:
+ return sysfs_emit(label, "%s_ENERGY_%d\n",
+ info->labels[chan->scan_index],
+ chan->scan_index + 1);
+ }
+
+ return 0;
+}
+
+static void pac1934_work_periodic_rfsh(struct work_struct *work)
+{
+ struct pac1934_chip_info *info = TO_PAC1934_CHIP_INFO((struct delayed_work *)work);
+ struct device *dev = &info->client->dev;
+
+ dev_dbg(dev, "%s - Periodic refresh\n", __func__);
+
+ /* do a REFRESH, then read */
+ pac1934_reg_snapshot(info, true, PAC1934_REFRESH_REG_ADDR,
+ PAC1934_MIN_UPDATE_WAIT_TIME_US);
+
+ schedule_delayed_work(&info->work_chip_rfsh,
+ msecs_to_jiffies(PAC1934_MAX_RFSH_LIMIT_MS));
+}
+
+static int pac1934_read_revision(struct pac1934_chip_info *info, u8 *buf)
+{
+ int ret;
+ struct i2c_client *client = info->client;
+
+ ret = i2c_smbus_read_i2c_block_data(client, PAC1934_PID_REG_ADDR,
+ PAC1934_ID_REG_LEN,
+ buf);
+ if (ret < 0) {
+ dev_err(&client->dev, "cannot read revision\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int pac1934_chip_identify(struct pac1934_chip_info *info)
+{
+ u8 rev_info[PAC1934_ID_REG_LEN];
+ struct device *dev = &info->client->dev;
+ int ret = 0;
+
+ ret = pac1934_read_revision(info, (u8 *)rev_info);
+ if (ret)
+ return ret;
+
+ info->chip_variant = rev_info[PAC1934_PID_IDX];
+ info->chip_revision = rev_info[PAC1934_RID_IDX];
+
+ dev_dbg(dev, "Chip variant: 0x%02X\n", info->chip_variant);
+ dev_dbg(dev, "Chip revision: 0x%02X\n", info->chip_revision);
+
+ switch (info->chip_variant) {
+ case PAC1934_PID:
+ return PAC1934;
+ case PAC1933_PID:
+ return PAC1933;
+ case PAC1932_PID:
+ return PAC1932;
+ case PAC1931_PID:
+ return PAC1931;
+ default:
+ return -EINVAL;
+ }
+}
+
+/*
+ * documentation related to the ACPI device definition
+ * https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ApplicationNotes/ApplicationNotes/PAC1934-Integration-Notes-for-Microsoft-Windows-10-and-Windows-11-Driver-Support-DS00002534.pdf
+ */
+static bool pac1934_acpi_parse_channel_config(struct i2c_client *client,
+ struct pac1934_chip_info *info)
+{
+ acpi_handle handle;
+ union acpi_object *rez;
+ struct device *dev = &client->dev;
+ unsigned short bi_dir_mask;
+ int idx, i;
+ guid_t guid;
+
+ handle = ACPI_HANDLE(dev);
+
+ guid_parse(PAC1934_DSM_UUID, &guid);
+
+ rez = acpi_evaluate_dsm(handle, &guid, 0, PAC1934_ACPI_GET_NAMES_AND_MOHMS_VALS, NULL);
+ if (!rez)
+ return false;
+
+ for (i = 0; i < rez->package.count; i += 2) {
+ idx = i / 2;
+ info->labels[idx] =
+ devm_kmemdup(dev, rez->package.elements[i].string.pointer,
+ (size_t)rez->package.elements[i].string.length + 1,
+ GFP_KERNEL);
+ info->labels[idx][rez->package.elements[i].string.length] = '\0';
+ info->shunts[idx] = rez->package.elements[i + 1].integer.value * 1000;
+ info->active_channels[idx] = (info->shunts[idx] != 0);
+ }
+
+ ACPI_FREE(rez);
+
+ rez = acpi_evaluate_dsm(handle, &guid, 1, PAC1934_ACPI_GET_UOHMS_VALS, NULL);
+ if (!rez) {
+ /*
+ * initializing with default values
+ * we assume all channels are unidirectional(the mask is zero)
+ * and assign the default sampling rate
+ */
+ info->sample_rate_value = PAC1934_DEFAULT_CHIP_SAMP_SPEED_HZ;
+ return true;
+ }
+
+ for (i = 0; i < rez->package.count; i++) {
+ idx = i;
+ info->shunts[idx] = rez->package.elements[i].integer.value;
+ info->active_channels[idx] = (info->shunts[idx] != 0);
+ }
+
+ ACPI_FREE(rez);
+
+ rez = acpi_evaluate_dsm(handle, &guid, 1, PAC1934_ACPI_GET_BIPOLAR_SETTINGS, NULL);
+ if (!rez)
+ return false;
+
+ bi_dir_mask = rez->package.elements[0].integer.value;
+ info->bi_dir[0] = ((bi_dir_mask & (1 << 3)) | (bi_dir_mask & (1 << 7))) != 0;
+ info->bi_dir[1] = ((bi_dir_mask & (1 << 2)) | (bi_dir_mask & (1 << 6))) != 0;
+ info->bi_dir[2] = ((bi_dir_mask & (1 << 1)) | (bi_dir_mask & (1 << 5))) != 0;
+ info->bi_dir[3] = ((bi_dir_mask & (1 << 0)) | (bi_dir_mask & (1 << 4))) != 0;
+
+ ACPI_FREE(rez);
+
+ rez = acpi_evaluate_dsm(handle, &guid, 1, PAC1934_ACPI_GET_SAMP, NULL);
+ if (!rez)
+ return false;
+
+ info->sample_rate_value = rez->package.elements[0].integer.value;
+
+ ACPI_FREE(rez);
+
+ return true;
+}
+
+static bool pac1934_of_parse_channel_config(struct i2c_client *client,
+ struct pac1934_chip_info *info)
+{
+ struct fwnode_handle *node, *fwnode;
+ struct device *dev = &client->dev;
+ unsigned int current_channel;
+ int idx, ret;
+
+ info->sample_rate_value = 1024;
+ current_channel = 1;
+
+ fwnode = dev_fwnode(dev);
+ fwnode_for_each_available_child_node(fwnode, node) {
+ ret = fwnode_property_read_u32(node, "reg", &idx);
+ if (ret) {
+ dev_err_probe(dev, ret,
+ "reading invalid channel index\n");
+ goto err_fwnode;
+ }
+ /* adjust idx to match channel index (1 to 4) from the datasheet */
+ idx--;
+
+ if (current_channel >= (info->phys_channels + 1) ||
+ idx >= info->phys_channels || idx < 0) {
+ dev_err_probe(dev, -EINVAL,
+ "%s: invalid channel_index %d value\n",
+ fwnode_get_name(node), idx);
+ goto err_fwnode;
+ }
+
+ /* enable channel */
+ info->active_channels[idx] = true;
+
+ ret = fwnode_property_read_u32(node, "shunt-resistor-micro-ohms",
+ &info->shunts[idx]);
+ if (ret) {
+ dev_err_probe(dev, ret,
+ "%s: invalid shunt-resistor value: %d\n",
+ fwnode_get_name(node), info->shunts[idx]);
+ goto err_fwnode;
+ }
+
+ if (fwnode_property_present(node, "label")) {
+ ret = fwnode_property_read_string(node, "label",
+ (const char **)&info->labels[idx]);
+ if (ret) {
+ dev_err_probe(dev, ret,
+ "%s: invalid rail-name value\n",
+ fwnode_get_name(node));
+ goto err_fwnode;
+ }
+ }
+
+ info->bi_dir[idx] = fwnode_property_read_bool(node, "bipolar");
+
+ current_channel++;
+ }
+
+ return true;
+
+err_fwnode:
+ fwnode_handle_put(node);
+
+ return false;
+}
+
+static void pac1934_cancel_delayed_work(void *dwork)
+{
+ cancel_delayed_work_sync(dwork);
+}
+
+static int pac1934_chip_configure(struct pac1934_chip_info *info)
+{
+ int cnt, ret;
+ struct i2c_client *client = info->client;
+ u8 regs[PAC1934_CTRL_STATUS_INFO_LEN], idx, ctrl_reg;
+ u32 wait_time;
+
+ info->chip_reg_data.num_enabled_channels = 0;
+ for (cnt = 0; cnt < info->phys_channels; cnt++) {
+ if (info->active_channels[cnt])
+ info->chip_reg_data.num_enabled_channels++;
+ }
+
+ /*
+ * read whatever information was gathered before the driver was loaded
+ * establish which channels are enabled/disabled and then establish the
+ * information retrieval mode (using SKIP or no).
+ * Read the chip ID values
+ */
+ ret = i2c_smbus_read_i2c_block_data(client, PAC1934_CTRL_STAT_REGS_ADDR,
+ ARRAY_SIZE(regs),
+ (u8 *)regs);
+ if (ret < 0) {
+ dev_err_probe(&client->dev, ret,
+ "%s - cannot read regs from 0x%02X\n",
+ __func__, PAC1934_CTRL_STAT_REGS_ADDR);
+ return ret;
+ }
+
+ /* write the CHANNEL_DIS and the NEG_PWR registers */
+ regs[PAC1934_CHANNEL_DIS_REG_OFF] =
+ FIELD_PREP(PAC1934_CHAN_DIS_CH1_OFF_MASK, info->active_channels[0] ? 0 : 1) |
+ FIELD_PREP(PAC1934_CHAN_DIS_CH2_OFF_MASK, info->active_channels[1] ? 0 : 1) |
+ FIELD_PREP(PAC1934_CHAN_DIS_CH3_OFF_MASK, info->active_channels[2] ? 0 : 1) |
+ FIELD_PREP(PAC1934_CHAN_DIS_CH4_OFF_MASK, info->active_channels[3] ? 0 : 1) |
+ FIELD_PREP(PAC1934_SMBUS_TIMEOUT_MASK, 0) |
+ FIELD_PREP(PAC1934_SMBUS_BYTECOUNT_MASK, 0) |
+ FIELD_PREP(PAC1934_SMBUS_NO_SKIP_MASK, 0);
+
+ regs[PAC1934_NEG_PWR_REG_OFF] =
+ FIELD_PREP(PAC1934_NEG_PWR_CH1_BIDI_MASK, info->bi_dir[0]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH2_BIDI_MASK, info->bi_dir[1]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH3_BIDI_MASK, info->bi_dir[2]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH4_BIDI_MASK, info->bi_dir[3]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH1_BIDV_MASK, info->bi_dir[0]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH2_BIDV_MASK, info->bi_dir[1]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH3_BIDV_MASK, info->bi_dir[2]) |
+ FIELD_PREP(PAC1934_NEG_PWR_CH4_BIDV_MASK, info->bi_dir[3]);
+
+ /* no SLOW triggered REFRESH, clear POR */
+ regs[PAC1934_SLOW_REG_OFF] = 0;
+
+ ret = i2c_smbus_write_block_data(client, PAC1934_CTRL_STAT_REGS_ADDR,
+ ARRAY_SIZE(regs), (u8 *)regs);
+ if (ret)
+ return ret;
+
+ /* Default sampling rate */
+ ctrl_reg = FIELD_PREP(PAC1934_CRTL_SAMPLE_RATE_MASK, PAC1934_SAMP_1024SPS);
+
+ ret = i2c_smbus_write_byte_data(client, PAC1934_CTRL_REG_ADDR, ctrl_reg);
+ if (ret)
+ return ret;
+
+ /*
+ * send a REFRESH to the chip, so the new settings take place
+ * as well as resetting the accumulators
+ */
+ ret = i2c_smbus_write_byte(client, PAC1934_REFRESH_REG_ADDR);
+ if (ret) {
+ dev_err(&client->dev,
+ "%s - cannot send 0x%02X\n",
+ __func__, PAC1934_REFRESH_REG_ADDR);
+ return ret;
+ }
+
+ /*
+ * get the current(in the chip) sampling speed and compute the
+ * required timeout based on its value
+ * the timeout is 1/sampling_speed
+ */
+ idx = regs[PAC1934_CTRL_ACT_REG_OFF] >> PAC1934_SAMPLE_RATE_SHIFT;
+ wait_time = (1024 / samp_rate_map_tbl[idx]) * 1000;
+
+ /*
+ * wait the maximum amount of time to be on the safe side
+ * the maximum wait time is for 8sps
+ */
+ usleep_range(wait_time, wait_time + 100);
+
+ INIT_DELAYED_WORK(&info->work_chip_rfsh, pac1934_work_periodic_rfsh);
+ /* Setup the latest moment for reading the regs before saturation */
+ schedule_delayed_work(&info->work_chip_rfsh,
+ msecs_to_jiffies(PAC1934_MAX_RFSH_LIMIT_MS));
+
+ return devm_add_action_or_reset(&client->dev, pac1934_cancel_delayed_work,
+ &info->work_chip_rfsh);
+}
+
+static int pac1934_prep_iio_channels(struct pac1934_chip_info *info, struct iio_dev *indio_dev)
+{
+ struct iio_chan_spec *ch_sp;
+ int channel_size, attribute_count, cnt;
+ void *dyn_ch_struct, *tmp_data;
+ struct device *dev = &info->client->dev;
+
+ /* find out dynamically how many IIO channels we need */
+ attribute_count = 0;
+ channel_size = 0;
+ for (cnt = 0; cnt < info->phys_channels; cnt++) {
+ if (!info->active_channels[cnt])
+ continue;
+
+ /* add the size of the properties of one chip physical channel */
+ channel_size += sizeof(pac1934_single_channel);
+ /* count how many enabled channels we have */
+ attribute_count += ARRAY_SIZE(pac1934_single_channel);
+ dev_dbg(dev, ":%s: Channel %d active\n", __func__, cnt + 1);
+ }
+
+ dyn_ch_struct = devm_kzalloc(dev, channel_size, GFP_KERNEL);
+ if (!dyn_ch_struct)
+ return -EINVAL;
+
+ tmp_data = dyn_ch_struct;
+
+ /* populate the dynamic channels and make all the adjustments */
+ for (cnt = 0; cnt < info->phys_channels; cnt++) {
+ if (!info->active_channels[cnt])
+ continue;
+
+ memcpy(tmp_data, pac1934_single_channel, sizeof(pac1934_single_channel));
+ ch_sp = (struct iio_chan_spec *)tmp_data;
+ ch_sp[PAC1934_CH_ENERGY].channel = cnt + 1;
+ ch_sp[PAC1934_CH_ENERGY].scan_index = cnt;
+ ch_sp[PAC1934_CH_ENERGY].address = cnt + PAC1934_VPOWER_ACC_1_ADDR;
+ ch_sp[PAC1934_CH_POWER].channel = cnt + 1;
+ ch_sp[PAC1934_CH_POWER].scan_index = cnt;
+ ch_sp[PAC1934_CH_POWER].address = cnt + PAC1934_VPOWER_1_ADDR;
+ ch_sp[PAC1934_CH_VOLTAGE].channel = cnt + 1;
+ ch_sp[PAC1934_CH_VOLTAGE].scan_index = cnt;
+ ch_sp[PAC1934_CH_VOLTAGE].address = cnt + PAC1934_VBUS_1_ADDR;
+ ch_sp[PAC1934_CH_CURRENT].channel = cnt + 1;
+ ch_sp[PAC1934_CH_CURRENT].scan_index = cnt;
+ ch_sp[PAC1934_CH_CURRENT].address = cnt + PAC1934_VSENSE_1_ADDR;
+
+ /*
+ * In order to be able to use labels for PAC1934_CH_VOLTAGE, and
+ * PAC1934_CH_VOLTAGE_AVERAGE,respectively PAC1934_CH_CURRENT
+ * and PAC1934_CH_CURRENT_AVERAGE we need to use different
+ * channel numbers. We will add +5 (+1 to maximum PAC channels).
+ */
+ ch_sp[PAC1934_CH_VOLTAGE_AVERAGE].channel = cnt + 5;
+ ch_sp[PAC1934_CH_VOLTAGE_AVERAGE].scan_index = cnt;
+ ch_sp[PAC1934_CH_VOLTAGE_AVERAGE].address = cnt + PAC1934_VBUS_AVG_1_ADDR;
+ ch_sp[PAC1934_CH_CURRENT_AVERAGE].channel = cnt + 5;
+ ch_sp[PAC1934_CH_CURRENT_AVERAGE].scan_index = cnt;
+ ch_sp[PAC1934_CH_CURRENT_AVERAGE].address = cnt + PAC1934_VSENSE_AVG_1_ADDR;
+
+ /*
+ * now modify the parameters in all channels if the
+ * whole chip rail(channel) is bi-directional
+ */
+ if (info->bi_dir[cnt]) {
+ ch_sp[PAC1934_CH_ENERGY].scan_type.sign = 's';
+ ch_sp[PAC1934_CH_ENERGY].scan_type.realbits = 47;
+ ch_sp[PAC1934_CH_POWER].scan_type.sign = 's';
+ ch_sp[PAC1934_CH_POWER].scan_type.realbits = 27;
+ ch_sp[PAC1934_CH_VOLTAGE].scan_type.sign = 's';
+ ch_sp[PAC1934_CH_VOLTAGE].scan_type.realbits = 15;
+ ch_sp[PAC1934_CH_CURRENT].scan_type.sign = 's';
+ ch_sp[PAC1934_CH_CURRENT].scan_type.realbits = 15;
+ ch_sp[PAC1934_CH_VOLTAGE_AVERAGE].scan_type.sign = 's';
+ ch_sp[PAC1934_CH_VOLTAGE_AVERAGE].scan_type.realbits = 15;
+ ch_sp[PAC1934_CH_CURRENT_AVERAGE].scan_type.sign = 's';
+ ch_sp[PAC1934_CH_CURRENT_AVERAGE].scan_type.realbits = 15;
+ }
+ tmp_data += sizeof(pac1934_single_channel);
+ }
+
+ /*
+ * send the updated dynamic channel structure information towards IIO
+ * prepare the required field for IIO class registration
+ */
+ indio_dev->num_channels = attribute_count;
+ indio_dev->channels = (const struct iio_chan_spec *)dyn_ch_struct;
+
+ return 0;
+}
+
+static IIO_DEVICE_ATTR(in_shunt_resistor1, 0644,
+ pac1934_shunt_value_show, pac1934_shunt_value_store, 0);
+static IIO_DEVICE_ATTR(in_shunt_resistor2, 0644,
+ pac1934_shunt_value_show, pac1934_shunt_value_store, 1);
+static IIO_DEVICE_ATTR(in_shunt_resistor3, 0644,
+ pac1934_shunt_value_show, pac1934_shunt_value_store, 2);
+static IIO_DEVICE_ATTR(in_shunt_resistor4, 0644,
+ pac1934_shunt_value_show, pac1934_shunt_value_store, 3);
+
+static int pac1934_prep_custom_attributes(struct pac1934_chip_info *info,
+ struct iio_dev *indio_dev)
+{
+ int i, active_channels_count = 0;
+ struct attribute **pac1934_custom_attr;
+ struct attribute_group *pac1934_group;
+ struct device *dev = &info->client->dev;
+
+ for (i = 0 ; i < info->phys_channels; i++)
+ if (info->active_channels[i])
+ active_channels_count++;
+
+ pac1934_group = devm_kzalloc(dev, sizeof(*pac1934_group), GFP_KERNEL);
+ if (!pac1934_group)
+ return -ENOMEM;
+
+ pac1934_custom_attr = devm_kzalloc(dev,
+ (PAC1934_CUSTOM_ATTR_FOR_CHANNEL *
+ active_channels_count)
+ * sizeof(*pac1934_group) + 1,
+ GFP_KERNEL);
+ if (!pac1934_custom_attr)
+ return -ENOMEM;
+
+ i = 0;
+ if (info->active_channels[0])
+ pac1934_custom_attr[i++] = PAC1934_DEV_ATTR(in_shunt_resistor1);
+
+ if (info->active_channels[1])
+ pac1934_custom_attr[i++] = PAC1934_DEV_ATTR(in_shunt_resistor2);
+
+ if (info->active_channels[2])
+ pac1934_custom_attr[i++] = PAC1934_DEV_ATTR(in_shunt_resistor3);
+
+ if (info->active_channels[3])
+ pac1934_custom_attr[i] = PAC1934_DEV_ATTR(in_shunt_resistor4);
+
+ pac1934_group->attrs = pac1934_custom_attr;
+ info->iio_info.attrs = pac1934_group;
+
+ return 0;
+}
+
+static void pac1934_mutex_destroy(void *data)
+{
+ struct mutex *lock = data;
+
+ mutex_destroy(lock);
+}
+
+static const struct iio_info pac1934_info = {
+ .read_raw = pac1934_read_raw,
+ .write_raw = pac1934_write_raw,
+ .read_avail = pac1934_read_avail,
+ .read_label = pac1934_read_label,
+};
+
+static int pac1934_probe(struct i2c_client *client)
+{
+ struct pac1934_chip_info *info;
+ const struct pac1934_features *chip;
+ struct iio_dev *indio_dev;
+ int cnt, ret;
+ bool match = false;
+ struct device *dev = &client->dev;
+
+ indio_dev = devm_iio_device_alloc(dev, sizeof(*info));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ info = iio_priv(indio_dev);
+
+ info->client = client;
+
+ /* always start with energy accumulation enabled */
+ for (cnt = 0; cnt < PAC1934_MAX_NUM_CHANNELS; cnt++)
+ info->enable_energy[cnt] = true;
+
+ ret = pac1934_chip_identify(info);
+ if (ret < 0) {
+ /*
+ * If failed to identify the hardware based on internal
+ * registers, try using fallback compatible in device tree
+ * to deal with some newer part number.
+ */
+ chip = i2c_get_match_data(client);
+ if (!chip)
+ return -EINVAL;
+
+ info->phys_channels = chip->phys_channels;
+ indio_dev->name = chip->name;
+ } else {
+ info->phys_channels = pac1934_chip_config[ret].phys_channels;
+ indio_dev->name = pac1934_chip_config[ret].name;
+ }
+
+ if (acpi_match_device(dev->driver->acpi_match_table, dev))
+ match = pac1934_acpi_parse_channel_config(client, info);
+ else
+ /*
+ * This makes it possible to use also ACPI PRP0001 for
+ * registering the device using device tree properties.
+ */
+ match = pac1934_of_parse_channel_config(client, info);
+
+ if (!match)
+ return dev_err_probe(dev, -EINVAL,
+ "parameter parsing returned an error\n");
+
+ mutex_init(&info->lock);
+ ret = devm_add_action_or_reset(dev, pac1934_mutex_destroy,
+ &info->lock);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * do now any chip specific initialization (e.g. read/write
+ * some registers), enable/disable certain channels, change the sampling
+ * rate to the requested value
+ */
+ ret = pac1934_chip_configure(info);
+ if (ret < 0)
+ return ret;
+
+ /* prepare the channel information */
+ ret = pac1934_prep_iio_channels(info, indio_dev);
+ if (ret < 0)
+ return ret;
+
+ info->iio_info = pac1934_info;
+ indio_dev->info = &info->iio_info;
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ ret = pac1934_prep_custom_attributes(info, indio_dev);
+ if (ret < 0)
+ return dev_err_probe(dev, ret,
+ "Can't configure custom attributes for PAC1934 device\n");
+
+ /*
+ * read whatever has been accumulated in the chip so far
+ * and reset the accumulators
+ */
+ ret = pac1934_reg_snapshot(info, true, PAC1934_REFRESH_REG_ADDR,
+ PAC1934_MIN_UPDATE_WAIT_TIME_US);
+ if (ret < 0)
+ return ret;
+
+ ret = devm_iio_device_register(dev, indio_dev);
+ if (ret < 0)
+ return dev_err_probe(dev, ret,
+ "Can't register IIO device\n");
+
+ return 0;
+}
+
+static const struct i2c_device_id pac1934_id[] = {
+ { .name = "pac1931", .driver_data = (kernel_ulong_t)&pac1934_chip_config[PAC1931] },
+ { .name = "pac1932", .driver_data = (kernel_ulong_t)&pac1934_chip_config[PAC1932] },
+ { .name = "pac1933", .driver_data = (kernel_ulong_t)&pac1934_chip_config[PAC1933] },
+ { .name = "pac1934", .driver_data = (kernel_ulong_t)&pac1934_chip_config[PAC1934] },
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, pac1934_id);
+
+static const struct of_device_id pac1934_of_match[] = {
+ {
+ .compatible = "microchip,pac1931",
+ .data = &pac1934_chip_config[PAC1931]
+ },
+ {
+ .compatible = "microchip,pac1932",
+ .data = &pac1934_chip_config[PAC1932]
+ },
+ {
+ .compatible = "microchip,pac1933",
+ .data = &pac1934_chip_config[PAC1933]
+ },
+ {
+ .compatible = "microchip,pac1934",
+ .data = &pac1934_chip_config[PAC1934]
+ },
+ {}
+};
+MODULE_DEVICE_TABLE(of, pac1934_of_match);
+
+/*
+ * using MCHP1930 to be compatible with BIOS ACPI. See example:
+ * https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ApplicationNotes/ApplicationNotes/PAC1934-Integration-Notes-for-Microsoft-Windows-10-and-Windows-11-Driver-Support-DS00002534.pdf
+ */
+static const struct acpi_device_id pac1934_acpi_match[] = {
+ { "MCHP1930", .driver_data = (kernel_ulong_t)&pac1934_chip_config[PAC1934] },
+ {}
+};
+MODULE_DEVICE_TABLE(acpi, pac1934_acpi_match);
+
+static struct i2c_driver pac1934_driver = {
+ .driver = {
+ .name = "pac1934",
+ .of_match_table = pac1934_of_match,
+ .acpi_match_table = pac1934_acpi_match
+ },
+ .probe = pac1934_probe,
+ .id_table = pac1934_id,
+};
+
+module_i2c_driver(pac1934_driver);
+
+MODULE_AUTHOR("Bogdan Bolocan <bogdan.bolocan@microchip.com>");
+MODULE_AUTHOR("Victor Tudose");
+MODULE_AUTHOR("Marius Cristea <marius.cristea@microchip.com>");
+MODULE_DESCRIPTION("IIO driver for PAC1934 Multi-Channel DC Power/Energy Monitor");
+MODULE_LICENSE("GPL");
--
GitLab
From b8b393348ad8eb1b96681dd155cd30d6184f61d3 Mon Sep 17 00:00:00 2001
From: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Date: Fri, 23 Feb 2024 14:01:33 +0100
Subject: [PATCH 0729/2686] dt-bindings: iio: light: vishay,veml6075: make
vdd-supply required
The VEML6075 requires a single supply to operate. The property already
exists in the bindings and it is used in the example, but it is still
not on the list of required properties.
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240223-veml6075_vdd-v1-1-ac76509b1998@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
Documentation/devicetree/bindings/iio/light/vishay,veml6075.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/iio/light/vishay,veml6075.yaml b/Documentation/devicetree/bindings/iio/light/vishay,veml6075.yaml
index abee04cd126e4..91c318746bf30 100644
--- a/Documentation/devicetree/bindings/iio/light/vishay,veml6075.yaml
+++ b/Documentation/devicetree/bindings/iio/light/vishay,veml6075.yaml
@@ -21,6 +21,7 @@ properties:
required:
- compatible
- reg
+ - vdd-supply
additionalProperties: false
--
GitLab
From b0a4546df24a4f8c59b2d05ae141bd70ceccc386 Mon Sep 17 00:00:00 2001
From: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Date: Fri, 23 Feb 2024 13:45:21 +0100
Subject: [PATCH 0730/2686] iio: adc: rockchip_saradc: fix bitmask for channels
on SARADCv2
The SARADCv2 on RK3588 (the only SoC currently supported that has an
SARADCv2) selects the channel through the channel_sel bitfield which is
the 4 lowest bits, therefore the mask should be GENMASK(3, 0) and not
GENMASK(15, 0).
Fixes: 757953f8ec69 ("iio: adc: rockchip_saradc: Add support for RK3588")
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240223-saradcv2-chan-mask-v1-1-84b06a0f623a@theobroma-systems.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/rockchip_saradc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c
index dd94667a623bd..2da8d6f3241a1 100644
--- a/drivers/iio/adc/rockchip_saradc.c
+++ b/drivers/iio/adc/rockchip_saradc.c
@@ -52,7 +52,7 @@
#define SARADC2_START BIT(4)
#define SARADC2_SINGLE_MODE BIT(5)
-#define SARADC2_CONV_CHANNELS GENMASK(15, 0)
+#define SARADC2_CONV_CHANNELS GENMASK(3, 0)
struct rockchip_saradc;
--
GitLab
From 5b4e4b72034f85f7a0cdd147d3d729c5a22c8764 Mon Sep 17 00:00:00 2001
From: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Date: Fri, 23 Feb 2024 13:45:22 +0100
Subject: [PATCH 0731/2686] iio: adc: rockchip_saradc: use mask for
write_enable bitfield
Some of the registers on the SARADCv2 have bits write protected except
if another bit is set. This is usually done by having the lowest 16 bits
store the data to write and the highest 16 bits specify which of the 16
lowest bits should have their value written to the hardware block.
The write_enable mask for the channel selection was incorrect because it
was just the value shifted by 16 bits, which means it would only ever
write bits and never clear them. So e.g. if someone starts a conversion
on channel 5, the lowest 4 bits would be 0x5, then starts a conversion
on channel 0, it would still be 5.
Instead of shifting the value by 16 as the mask, let's use the OR'ing of
the appropriate masks shifted by 16.
Note that this is not an issue currently because the only SARADCv2
currently supported has a reset defined in its Device Tree, that reset
resets the SARADC controller before starting a conversion on a channel.
However, this reset is handled as optional by the probe function and
thus proper masking should be used in the event an SARADCv2 without a
reset ever makes it upstream.
Fixes: 757953f8ec69 ("iio: adc: rockchip_saradc: Add support for RK3588")
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20240223-saradcv2-chan-mask-v1-2-84b06a0f623a@theobroma-systems.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/rockchip_saradc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c
index 2da8d6f3241a1..1c0042fbbb548 100644
--- a/drivers/iio/adc/rockchip_saradc.c
+++ b/drivers/iio/adc/rockchip_saradc.c
@@ -102,12 +102,12 @@ static void rockchip_saradc_start_v2(struct rockchip_saradc *info, int chn)
writel_relaxed(0xc, info->regs + SARADC_T_DAS_SOC);
writel_relaxed(0x20, info->regs + SARADC_T_PD_SOC);
val = FIELD_PREP(SARADC2_EN_END_INT, 1);
- val |= val << 16;
+ val |= SARADC2_EN_END_INT << 16;
writel_relaxed(val, info->regs + SARADC2_END_INT_EN);
val = FIELD_PREP(SARADC2_START, 1) |
FIELD_PREP(SARADC2_SINGLE_MODE, 1) |
FIELD_PREP(SARADC2_CONV_CHANNELS, chn);
- val |= val << 16;
+ val |= (SARADC2_START | SARADC2_SINGLE_MODE | SARADC2_CONV_CHANNELS) << 16;
writel(val, info->regs + SARADC2_CONV_CON);
}
--
GitLab
From 9443c19ca6014e4ce6822c60b5bb9826903dff49 Mon Sep 17 00:00:00 2001
From: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Date: Fri, 23 Feb 2024 13:45:23 +0100
Subject: [PATCH 0732/2686] iio: adc: rockchip_saradc: replace custom logic
with devm_reset_control_get_optional_exclusive
devm_reset_control_get_optional_exclusive does what this driver is
trying to do in its probe function, therefore let's switch over to that
subsystem function.
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240223-saradcv2-chan-mask-v1-3-84b06a0f623a@theobroma-systems.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/rockchip_saradc.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c
index 1c0042fbbb548..bbe954a738c7d 100644
--- a/drivers/iio/adc/rockchip_saradc.c
+++ b/drivers/iio/adc/rockchip_saradc.c
@@ -450,16 +450,11 @@ static int rockchip_saradc_probe(struct platform_device *pdev)
* The reset should be an optional property, as it should work
* with old devicetrees as well
*/
- info->reset = devm_reset_control_get_exclusive(&pdev->dev,
- "saradc-apb");
+ info->reset = devm_reset_control_get_optional_exclusive(&pdev->dev,
+ "saradc-apb");
if (IS_ERR(info->reset)) {
ret = PTR_ERR(info->reset);
- if (ret != -ENOENT)
- return dev_err_probe(&pdev->dev, ret,
- "failed to get saradc-apb\n");
-
- dev_dbg(&pdev->dev, "no reset control found\n");
- info->reset = NULL;
+ return dev_err_probe(&pdev->dev, ret, "failed to get saradc-apb\n");
}
init_completion(&info->completion);
--
GitLab
From 14166bac93b2cd16789368bef74a24cab6e81825 Mon Sep 17 00:00:00 2001
From: Icenowy Zheng <icenowy@aosc.io>
Date: Thu, 22 Feb 2024 02:13:35 +0100
Subject: [PATCH 0733/2686] dt-bindings: vendor-prefix: Add prefix for
Voltafield
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Voltafile Technology Corp. is a company that produces MEMS sensors.
Add a DT vendor prefix for it.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Ondřej Jirman <megi@xff.cz>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240222011341.3232645-2-megi@xff.cz
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 1a0dc04f1db47..82e9f64c90ff4 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1534,6 +1534,8 @@ patternProperties:
description: VoCore Studio
"^voipac,.*":
description: Voipac Technologies s.r.o.
+ "^voltafield,.*":
+ description: Voltafield Technology Corp.
"^vot,.*":
description: Vision Optical Technology Co., Ltd.
"^vxt,.*":
--
GitLab
From 3b2eaffd2bd2ce9c6c0e7f9e210135475e9a46ec Mon Sep 17 00:00:00 2001
From: Icenowy Zheng <icenowy@aosc.io>
Date: Thu, 22 Feb 2024 02:13:36 +0100
Subject: [PATCH 0734/2686] dt-bindings: iio: magnetometer: Add Voltafield
AF8133J
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Voltafield AF8133J is a simple magnetometer sensor produced by Voltafield
Technology Corp, with dual power supplies (one for core and one for I/O)
and active-low reset pin.
The sensor has configurable range 1.2 - 2.2 mT and a software controlled
standby mode.
Add a device tree binding for it.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Ondřej Jirman <megi@xff.cz>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240222011341.3232645-3-megi@xff.cz
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../iio/magnetometer/voltafield,af8133j.yaml | 60 +++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/magnetometer/voltafield,af8133j.yaml
diff --git a/Documentation/devicetree/bindings/iio/magnetometer/voltafield,af8133j.yaml b/Documentation/devicetree/bindings/iio/magnetometer/voltafield,af8133j.yaml
new file mode 100644
index 0000000000000..b6ab01a6914ad
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/magnetometer/voltafield,af8133j.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/magnetometer/voltafield,af8133j.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Voltafield AF8133J magnetometer sensor
+
+maintainers:
+ - Ondřej Jirman <megi@xff.cz>
+
+properties:
+ compatible:
+ const: voltafield,af8133j
+
+ reg:
+ maxItems: 1
+
+ reset-gpios:
+ description:
+ A signal for active low reset input of the sensor. (optional; if not
+ used, software reset over I2C will be used instead)
+
+ avdd-supply:
+ description:
+ A regulator that provides AVDD power (Working power, usually 3.3V) to
+ the sensor.
+
+ dvdd-supply:
+ description:
+ A regulator that provides DVDD power (Digital IO power, 1.8V - AVDD)
+ to the sensor.
+
+ mount-matrix:
+ description: An optional 3x3 mounting rotation matrix.
+
+required:
+ - compatible
+ - reg
+ - avdd-supply
+ - dvdd-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/gpio/gpio.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ magnetometer@1c {
+ compatible = "voltafield,af8133j";
+ reg = <0x1c>;
+ avdd-supply = <®_dldo1>;
+ dvdd-supply = <®_dldo1>;
+ reset-gpios = <&pio 1 1 GPIO_ACTIVE_LOW>;
+ };
+ };
--
GitLab
From 1d8f4b04621f0f33a3d51699ffa32ddf54fe74ed Mon Sep 17 00:00:00 2001
From: Icenowy Zheng <icenowy@aosc.io>
Date: Thu, 22 Feb 2024 02:13:37 +0100
Subject: [PATCH 0735/2686] iio: magnetometer: add a driver for Voltafield
AF8133J magnetometer
AF8133J is a simple I2C-connected magnetometer, without interrupts.
Add a simple IIO driver for it.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Dalton Durst <dalton@ubports.com>
Signed-off-by: Shoji Keita <awaittrot@shjk.jp>
Co-developed-by: Ondrej Jirman <megi@xff.cz>
Signed-off-by: Ondrej Jirman <megi@xff.cz>
Reviewed-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
Tested-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
Link: https://lore.kernel.org/r/20240222011341.3232645-4-megi@xff.cz
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/magnetometer/Kconfig | 12 +
drivers/iio/magnetometer/Makefile | 1 +
drivers/iio/magnetometer/af8133j.c | 528 +++++++++++++++++++++++++++++
3 files changed, 541 insertions(+)
create mode 100644 drivers/iio/magnetometer/af8133j.c
diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig
index 38532d840f2a3..cd2917d719047 100644
--- a/drivers/iio/magnetometer/Kconfig
+++ b/drivers/iio/magnetometer/Kconfig
@@ -6,6 +6,18 @@
menu "Magnetometer sensors"
+config AF8133J
+ tristate "Voltafield AF8133J 3-Axis Magnetometer"
+ depends on I2C
+ depends on OF
+ select REGMAP_I2C
+ help
+ Say yes here to build support for Voltafield AF8133J I2C-based
+ 3-axis magnetometer chip.
+
+ To compile this driver as a module, choose M here: the module
+ will be called af8133j.
+
config AK8974
tristate "Asahi Kasei AK8974 3-Axis Magnetometer"
depends on I2C
diff --git a/drivers/iio/magnetometer/Makefile b/drivers/iio/magnetometer/Makefile
index b1c784ea71c8e..ec5c46fbf999b 100644
--- a/drivers/iio/magnetometer/Makefile
+++ b/drivers/iio/magnetometer/Makefile
@@ -4,6 +4,7 @@
#
# When adding new entries keep the list in alphabetical order
+obj-$(CONFIG_AF8133J) += af8133j.o
obj-$(CONFIG_AK8974) += ak8974.o
obj-$(CONFIG_AK8975) += ak8975.o
obj-$(CONFIG_BMC150_MAGN) += bmc150_magn.o
diff --git a/drivers/iio/magnetometer/af8133j.c b/drivers/iio/magnetometer/af8133j.c
new file mode 100644
index 0000000000000..742bbdf25f08c
--- /dev/null
+++ b/drivers/iio/magnetometer/af8133j.c
@@ -0,0 +1,528 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * af8133j.c - Voltafield AF8133J magnetometer driver
+ *
+ * Copyright 2021 Icenowy Zheng <icenowy@aosc.io>
+ * Copyright 2024 Ondřej Jirman <megi@xff.cz>
+ */
+
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+
+#include <linux/iio/iio.h>
+#include <linux/iio/trigger_consumer.h>
+#include <linux/iio/triggered_buffer.h>
+
+#define AF8133J_REG_OUT 0x03
+#define AF8133J_REG_PCODE 0x00
+#define AF8133J_REG_PCODE_VAL 0x5e
+#define AF8133J_REG_STATUS 0x02
+#define AF8133J_REG_STATUS_ACQ BIT(0)
+#define AF8133J_REG_STATE 0x0a
+#define AF8133J_REG_STATE_STBY 0x00
+#define AF8133J_REG_STATE_WORK 0x01
+#define AF8133J_REG_RANGE 0x0b
+#define AF8133J_REG_RANGE_22G 0x12
+#define AF8133J_REG_RANGE_12G 0x34
+#define AF8133J_REG_SWR 0x11
+#define AF8133J_REG_SWR_PERFORM 0x81
+
+static const char * const af8133j_supply_names[] = {
+ "avdd",
+ "dvdd",
+};
+
+struct af8133j_data {
+ struct i2c_client *client;
+ struct regmap *regmap;
+ /*
+ * Protect device internal state between starting a measurement
+ * and reading the result.
+ */
+ struct mutex mutex;
+ struct iio_mount_matrix orientation;
+
+ struct gpio_desc *reset_gpiod;
+ struct regulator_bulk_data supplies[ARRAY_SIZE(af8133j_supply_names)];
+
+ u8 range;
+};
+
+enum af8133j_axis {
+ AXIS_X = 0,
+ AXIS_Y,
+ AXIS_Z,
+};
+
+static struct iio_mount_matrix *
+af8133j_get_mount_matrix(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan)
+{
+ struct af8133j_data *data = iio_priv(indio_dev);
+
+ return &data->orientation;
+}
+
+static const struct iio_chan_spec_ext_info af8133j_ext_info[] = {
+ IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, af8133j_get_mount_matrix),
+ { }
+};
+
+#define AF8133J_CHANNEL(_si, _axis) { \
+ .type = IIO_MAGN, \
+ .modified = 1, \
+ .channel2 = IIO_MOD_ ## _axis, \
+ .address = AXIS_ ## _axis, \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
+ .info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_SCALE), \
+ .ext_info = af8133j_ext_info, \
+ .scan_index = _si, \
+ .scan_type = { \
+ .sign = 's', \
+ .realbits = 16, \
+ .storagebits = 16, \
+ .endianness = IIO_LE, \
+ }, \
+}
+
+static const struct iio_chan_spec af8133j_channels[] = {
+ AF8133J_CHANNEL(0, X),
+ AF8133J_CHANNEL(1, Y),
+ AF8133J_CHANNEL(2, Z),
+ IIO_CHAN_SOFT_TIMESTAMP(3),
+};
+
+static int af8133j_product_check(struct af8133j_data *data)
+{
+ struct device *dev = &data->client->dev;
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(data->regmap, AF8133J_REG_PCODE, &val);
+ if (ret) {
+ dev_err(dev, "Error reading product code (%d)\n", ret);
+ return ret;
+ }
+
+ if (val != AF8133J_REG_PCODE_VAL) {
+ dev_warn(dev, "Invalid product code (0x%02x)\n", val);
+ return 0; /* Allow unknown ID so fallback compatibles work */
+ }
+
+ return 0;
+}
+
+static int af8133j_reset(struct af8133j_data *data)
+{
+ struct device *dev = &data->client->dev;
+ int ret;
+
+ if (data->reset_gpiod) {
+ /* If we have GPIO reset line, use it */
+ gpiod_set_value_cansleep(data->reset_gpiod, 1);
+ udelay(10);
+ gpiod_set_value_cansleep(data->reset_gpiod, 0);
+ } else {
+ /* Otherwise use software reset */
+ ret = regmap_write(data->regmap, AF8133J_REG_SWR,
+ AF8133J_REG_SWR_PERFORM);
+ if (ret) {
+ dev_err(dev, "Failed to reset the chip\n");
+ return ret;
+ }
+ }
+
+ /* Wait for reset to finish */
+ usleep_range(1000, 1100);
+
+ /* Restore range setting */
+ if (data->range == AF8133J_REG_RANGE_22G) {
+ ret = regmap_write(data->regmap, AF8133J_REG_RANGE, data->range);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static void af8133j_power_down(struct af8133j_data *data)
+{
+ gpiod_set_value_cansleep(data->reset_gpiod, 1);
+ regulator_bulk_disable(ARRAY_SIZE(data->supplies), data->supplies);
+}
+
+static int af8133j_power_up(struct af8133j_data *data)
+{
+ struct device *dev = &data->client->dev;
+ int ret;
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(data->supplies), data->supplies);
+ if (ret) {
+ dev_err(dev, "Could not enable regulators\n");
+ return ret;
+ }
+
+ gpiod_set_value_cansleep(data->reset_gpiod, 0);
+
+ /* Wait for power on reset */
+ usleep_range(15000, 16000);
+
+ ret = af8133j_reset(data);
+ if (ret) {
+ af8133j_power_down(data);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int af8133j_take_measurement(struct af8133j_data *data)
+{
+ unsigned int val;
+ int ret;
+
+ ret = regmap_write(data->regmap,
+ AF8133J_REG_STATE, AF8133J_REG_STATE_WORK);
+ if (ret)
+ return ret;
+
+ /* The datasheet says "Mesaure Time <1.5ms" */
+ ret = regmap_read_poll_timeout(data->regmap, AF8133J_REG_STATUS, val,
+ val & AF8133J_REG_STATUS_ACQ,
+ 500, 1500);
+ if (ret)
+ return ret;
+
+ ret = regmap_write(data->regmap,
+ AF8133J_REG_STATE, AF8133J_REG_STATE_STBY);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int af8133j_read_measurement(struct af8133j_data *data, __le16 buf[3])
+{
+ struct device *dev = &data->client->dev;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret) {
+ /*
+ * Ignore EACCES because that happens when RPM is disabled
+ * during system sleep, while userspace leave eg. hrtimer
+ * trigger attached and IIO core keeps trying to do measurements.
+ */
+ if (ret != -EACCES)
+ dev_err(dev, "Failed to power on (%d)\n", ret);
+ return ret;
+ }
+
+ scoped_guard(mutex, &data->mutex) {
+ ret = af8133j_take_measurement(data);
+ if (ret)
+ goto out_rpm_put;
+
+ ret = regmap_bulk_read(data->regmap, AF8133J_REG_OUT,
+ buf, sizeof(__le16) * 3);
+ }
+
+out_rpm_put:
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
+
+ return ret;
+}
+
+static const int af8133j_scales[][2] = {
+ [0] = { 0, 366210 }, /* 12 gauss */
+ [1] = { 0, 671386 }, /* 22 gauss */
+};
+
+static int af8133j_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan, int *val,
+ int *val2, long mask)
+{
+ struct af8133j_data *data = iio_priv(indio_dev);
+ __le16 buf[3];
+ int ret;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ ret = af8133j_read_measurement(data, buf);
+ if (ret)
+ return ret;
+
+ *val = sign_extend32(le16_to_cpu(buf[chan->address]),
+ chan->scan_type.realbits - 1);
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_SCALE:
+ *val = 0;
+
+ if (data->range == AF8133J_REG_RANGE_12G)
+ *val2 = af8133j_scales[0][1];
+ else
+ *val2 = af8133j_scales[1][1];
+
+ return IIO_VAL_INT_PLUS_NANO;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int af8133j_read_avail(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ const int **vals, int *type, int *length,
+ long mask)
+{
+ switch (mask) {
+ case IIO_CHAN_INFO_SCALE:
+ *vals = (const int *)af8133j_scales;
+ *length = ARRAY_SIZE(af8133j_scales) * 2;
+ *type = IIO_VAL_INT_PLUS_NANO;
+ return IIO_AVAIL_LIST;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int af8133j_set_scale(struct af8133j_data *data,
+ unsigned int val, unsigned int val2)
+{
+ struct device *dev = &data->client->dev;
+ u8 range;
+ int ret = 0;
+
+ if (af8133j_scales[0][0] == val && af8133j_scales[0][1] == val2)
+ range = AF8133J_REG_RANGE_12G;
+ else if (af8133j_scales[1][0] == val && af8133j_scales[1][1] == val2)
+ range = AF8133J_REG_RANGE_22G;
+ else
+ return -EINVAL;
+
+ pm_runtime_disable(dev);
+
+ /*
+ * When suspended, just store the new range to data->range to be
+ * applied later during power up.
+ */
+ if (!pm_runtime_status_suspended(dev))
+ scoped_guard(mutex, &data->mutex)
+ ret = regmap_write(data->regmap,
+ AF8133J_REG_RANGE, range);
+
+ pm_runtime_enable(dev);
+
+ data->range = range;
+ return ret;
+}
+
+static int af8133j_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int val, int val2, long mask)
+{
+ struct af8133j_data *data = iio_priv(indio_dev);
+
+ switch (mask) {
+ case IIO_CHAN_INFO_SCALE:
+ return af8133j_set_scale(data, val, val2);
+ default:
+ return -EINVAL;
+ }
+}
+
+static int af8133j_write_raw_get_fmt(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ long mask)
+{
+ return IIO_VAL_INT_PLUS_NANO;
+}
+
+static const struct iio_info af8133j_info = {
+ .read_raw = af8133j_read_raw,
+ .read_avail = af8133j_read_avail,
+ .write_raw = af8133j_write_raw,
+ .write_raw_get_fmt = af8133j_write_raw_get_fmt,
+};
+
+static irqreturn_t af8133j_trigger_handler(int irq, void *p)
+{
+ struct iio_poll_func *pf = p;
+ struct iio_dev *indio_dev = pf->indio_dev;
+ struct af8133j_data *data = iio_priv(indio_dev);
+ s64 timestamp = iio_get_time_ns(indio_dev);
+ struct {
+ __le16 values[3];
+ s64 timestamp __aligned(8);
+ } sample;
+ int ret;
+
+ memset(&sample, 0, sizeof(sample));
+
+ ret = af8133j_read_measurement(data, sample.values);
+ if (ret)
+ goto out_done;
+
+ iio_push_to_buffers_with_timestamp(indio_dev, &sample, timestamp);
+
+out_done:
+ iio_trigger_notify_done(indio_dev->trig);
+
+ return IRQ_HANDLED;
+}
+
+static const struct regmap_config af8133j_regmap_config = {
+ .name = "af8133j_regmap",
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = AF8133J_REG_SWR,
+ .cache_type = REGCACHE_NONE,
+};
+
+static void af8133j_power_down_action(void *ptr)
+{
+ struct af8133j_data *data = ptr;
+
+ if (!pm_runtime_status_suspended(&data->client->dev))
+ af8133j_power_down(data);
+}
+
+static int af8133j_probe(struct i2c_client *client)
+{
+ struct device *dev = &client->dev;
+ struct af8133j_data *data;
+ struct iio_dev *indio_dev;
+ struct regmap *regmap;
+ int ret, i;
+
+ indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ regmap = devm_regmap_init_i2c(client, &af8133j_regmap_config);
+ if (IS_ERR(regmap))
+ return dev_err_probe(dev, PTR_ERR(regmap),
+ "regmap initialization failed\n");
+
+ data = iio_priv(indio_dev);
+ i2c_set_clientdata(client, indio_dev);
+ data->client = client;
+ data->regmap = regmap;
+ data->range = AF8133J_REG_RANGE_12G;
+ mutex_init(&data->mutex);
+
+ data->reset_gpiod = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(data->reset_gpiod))
+ return dev_err_probe(dev, PTR_ERR(data->reset_gpiod),
+ "Failed to get reset gpio\n");
+
+ for (i = 0; i < ARRAY_SIZE(af8133j_supply_names); i++)
+ data->supplies[i].supply = af8133j_supply_names[i];
+ ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(data->supplies),
+ data->supplies);
+ if (ret)
+ return ret;
+
+ ret = iio_read_mount_matrix(dev, &data->orientation);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to read mount matrix\n");
+
+ ret = af8133j_power_up(data);
+ if (ret)
+ return ret;
+
+ pm_runtime_set_active(dev);
+
+ ret = devm_add_action_or_reset(dev, af8133j_power_down_action, data);
+ if (ret)
+ return ret;
+
+ ret = af8133j_product_check(data);
+ if (ret)
+ return ret;
+
+ pm_runtime_get_noresume(dev);
+ pm_runtime_use_autosuspend(dev);
+ pm_runtime_set_autosuspend_delay(dev, 500);
+ ret = devm_pm_runtime_enable(dev);
+ if (ret)
+ return ret;
+
+ pm_runtime_put_autosuspend(dev);
+
+ indio_dev->info = &af8133j_info;
+ indio_dev->name = "af8133j";
+ indio_dev->channels = af8133j_channels;
+ indio_dev->num_channels = ARRAY_SIZE(af8133j_channels);
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL,
+ &af8133j_trigger_handler, NULL);
+ if (ret)
+ return dev_err_probe(&client->dev, ret,
+ "Failed to setup iio triggered buffer\n");
+
+ ret = devm_iio_device_register(dev, indio_dev);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to register iio device");
+
+ return 0;
+}
+
+static int af8133j_runtime_suspend(struct device *dev)
+{
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct af8133j_data *data = iio_priv(indio_dev);
+
+ af8133j_power_down(data);
+
+ return 0;
+}
+
+static int af8133j_runtime_resume(struct device *dev)
+{
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct af8133j_data *data = iio_priv(indio_dev);
+
+ return af8133j_power_up(data);
+}
+
+static const struct dev_pm_ops af8133j_pm_ops = {
+ SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
+ RUNTIME_PM_OPS(af8133j_runtime_suspend, af8133j_runtime_resume, NULL)
+};
+
+static const struct of_device_id af8133j_of_match[] = {
+ { .compatible = "voltafield,af8133j", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, af8133j_of_match);
+
+static const struct i2c_device_id af8133j_id[] = {
+ { "af8133j", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, af8133j_id);
+
+static struct i2c_driver af8133j_driver = {
+ .driver = {
+ .name = "af8133j",
+ .of_match_table = af8133j_of_match,
+ .pm = pm_ptr(&af8133j_pm_ops),
+ },
+ .probe = af8133j_probe,
+ .id_table = af8133j_id,
+};
+
+module_i2c_driver(af8133j_driver);
+
+MODULE_AUTHOR("Icenowy Zheng <icenowy@aosc.io>");
+MODULE_AUTHOR("Ondřej Jirman <megi@xff.cz>");
+MODULE_DESCRIPTION("Voltafield AF8133J magnetic sensor driver");
+MODULE_LICENSE("GPL");
--
GitLab
From 4953612115726e487e8124a210f6fad9780e0b6c Mon Sep 17 00:00:00 2001
From: Ondrej Jirman <megi@xff.cz>
Date: Thu, 22 Feb 2024 02:13:38 +0100
Subject: [PATCH 0736/2686] MAINTAINERS: Add an entry for AF8133J driver
As I am submitting the driver and have the device to test. I'll maintain
the driver.
Signed-off-by: Ondrej Jirman <megi@xff.cz>
Link: https://lore.kernel.org/r/20240222011341.3232645-5-megi@xff.cz
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
MAINTAINERS | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 031600dd6c2a3..2662ec49b2978 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -579,6 +579,12 @@ F: drivers/iio/accel/adxl372.c
F: drivers/iio/accel/adxl372_i2c.c
F: drivers/iio/accel/adxl372_spi.c
+AF8133J THREE-AXIS MAGNETOMETER DRIVER
+M: Ondřej Jirman <megi@xff.cz>
+S: Maintained
+F: Documentation/devicetree/bindings/iio/magnetometer/voltafield,af8133j.yaml
+F: drivers/iio/magnetometer/af8133j.c
+
AF9013 MEDIA DRIVER
L: linux-media@vger.kernel.org
S: Orphan
--
GitLab
From de42d339553d39d1ab1f0ef9d4f1338c725b7019 Mon Sep 17 00:00:00 2001
From: Marco Felsch <m.felsch@pengutronix.de>
Date: Mon, 26 Feb 2024 13:12:33 +0100
Subject: [PATCH 0737/2686] dt-bindings: iio: ti,tmp117: add optional label
property
Add the support to provide an optional label like we do for ADC
channels to identify the device more easily.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240226121234.545662-1-m.felsch@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../devicetree/bindings/iio/temperature/ti,tmp117.yaml | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml b/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml
index 33f2e9c5bd81f..58aa1542776b5 100644
--- a/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml
+++ b/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml
@@ -27,6 +27,9 @@ properties:
vcc-supply:
description: provide VCC power to the sensor.
+ label:
+ description: Unique name to identify which device this is.
+
required:
- compatible
- reg
--
GitLab
From 513ea6b7b4fe7eb58b9e32dad6ee43f36c2c5f24 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Mon, 26 Feb 2024 13:30:04 +0100
Subject: [PATCH 0738/2686] dt-bindings: iio: adc: drop redundant type from
label
dtschema defines label as string, so $ref in other bindings is
redundant.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240226123004.91061-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
Documentation/devicetree/bindings/iio/adc/adc.yaml | 1 -
Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml | 1 -
2 files changed, 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/iio/adc/adc.yaml b/Documentation/devicetree/bindings/iio/adc/adc.yaml
index 2616017297456..36775f8f71dfd 100644
--- a/Documentation/devicetree/bindings/iio/adc/adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adc.yaml
@@ -22,7 +22,6 @@ properties:
maxItems: 1
label:
- $ref: /schemas/types.yaml#/definitions/string
description: Unique name to identify which channel this is.
bipolar:
diff --git a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
index 40fa0710f1f0f..c28db0d635a0a 100644
--- a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
@@ -75,7 +75,6 @@ patternProperties:
in the PMIC-specific files in include/dt-bindings/iio/.
label:
- $ref: /schemas/types.yaml#/definitions/string
description: |
ADC input of the platform as seen in the schematics.
For thermistor inputs connected to generic AMUX or GPIO inputs
--
GitLab
From cc8a587a7cdc91332dac3e435d437e17af82137e Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Sun, 25 Feb 2024 21:27:44 +0100
Subject: [PATCH 0739/2686] iio: adc: qcom-pm8xxx-xoadc: drop unused kerneldoc
struct pm8xxx_chan_info member
Drop description of non-existing 'struct pm8xxx_chan_info' member:
qcom-pm8xxx-xoadc.c:386: warning: Excess struct member 'scale_fn_type' description in 'pm8xxx_chan_info'
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240225202744.60500-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/qcom-pm8xxx-xoadc.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/iio/adc/qcom-pm8xxx-xoadc.c b/drivers/iio/adc/qcom-pm8xxx-xoadc.c
index 01c5586df56dc..c9d2c66434e4f 100644
--- a/drivers/iio/adc/qcom-pm8xxx-xoadc.c
+++ b/drivers/iio/adc/qcom-pm8xxx-xoadc.c
@@ -372,7 +372,6 @@ static const struct xoadc_channel pm8921_xoadc_channels[] = {
* @name: name of this channel
* @hwchan: pointer to hardware channel information (muxing & scaling settings)
* @calibration: whether to use absolute or ratiometric calibration
- * @scale_fn_type: scaling function type
* @decimation: 0,1,2,3
* @amux_ip_rsv: ratiometric scale value if using ratiometric
* calibration: 0, 1, 2, 4, 5.
--
GitLab
From 051db7ee60f43816da48ec61ce5cbf82112dd62d Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Sun, 25 Feb 2024 21:16:54 +0100
Subject: [PATCH 0740/2686] iio: proximity: isl29501: make use of of_device_id
table
Reference the of_device_id table in the driver structure, so it will be
used for module autoloading and device matching. This fixes clang W=1
warning:
isl29501.c:999:34: error: unused variable 'isl29501_i2c_matches' [-Werror,-Wunused-const-variable]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240225201654.49450-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/proximity/isl29501.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/iio/proximity/isl29501.c b/drivers/iio/proximity/isl29501.c
index bcebacaf3dab0..4982686fb4c30 100644
--- a/drivers/iio/proximity/isl29501.c
+++ b/drivers/iio/proximity/isl29501.c
@@ -995,17 +995,16 @@ static const struct i2c_device_id isl29501_id[] = {
MODULE_DEVICE_TABLE(i2c, isl29501_id);
-#if defined(CONFIG_OF)
static const struct of_device_id isl29501_i2c_matches[] = {
{ .compatible = "renesas,isl29501" },
{ }
};
MODULE_DEVICE_TABLE(of, isl29501_i2c_matches);
-#endif
static struct i2c_driver isl29501_driver = {
.driver = {
.name = "isl29501",
+ .of_match_table = isl29501_i2c_matches,
},
.id_table = isl29501_id,
.probe = isl29501_probe,
--
GitLab
From ca1e2b91baa38a0641b8b2ff9473f38232986ecc Mon Sep 17 00:00:00 2001
From: Peng Fan <peng.fan@nxp.com>
Date: Mon, 26 Feb 2024 21:08:25 +0800
Subject: [PATCH 0741/2686] dt-bindings: iio: adc: imx93: drop the 4th
interrupt
Per i.MX93 Reference Mannual Rev.4, 12/2013, there is no interrupt 268,
so drop it.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240226130826.3824251-1-peng.fan@oss.nxp.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml
index dacc526dc6953..dfc3f512918f6 100644
--- a/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml
@@ -31,7 +31,6 @@ properties:
- description: normal conversion, include EOC (End of Conversion),
ECH (End of Chain), JEOC (End of Injected Conversion) and
JECH (End of injected Chain).
- - description: Self-testing Interrupts.
clocks:
maxItems: 1
@@ -70,8 +69,7 @@ examples:
reg = <0x44530000 0x10000>;
interrupts = <GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>;
+ <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX93_CLK_ADC1_GATE>;
clock-names = "ipg";
vref-supply = <®_vref_1v8>;
--
GitLab
From 6b61aae323e30ba363616e1da23f591b164aca3f Mon Sep 17 00:00:00 2001
From: Marco Felsch <m.felsch@pengutronix.de>
Date: Wed, 21 Feb 2024 18:43:05 +0100
Subject: [PATCH 0742/2686] dt-bindings: iio: gyroscope: bosch,bmg160: add
spi-max-frequency
Make use of the common spi-peripheral-props.yaml to pull in the common
spi device properties and limit the spi-max-frequency to 10 MHz as this
is the max. frequency if VDDIO >= 1.62V.
Note all listed devices can either operate in I2C or in SPI mode.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240221174305.3423039-1-m.felsch@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
.../devicetree/bindings/iio/gyroscope/bosch,bmg160.yaml | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/iio/gyroscope/bosch,bmg160.yaml b/Documentation/devicetree/bindings/iio/gyroscope/bosch,bmg160.yaml
index 1414ba9977c16..3c6fe74af0b83 100644
--- a/Documentation/devicetree/bindings/iio/gyroscope/bosch,bmg160.yaml
+++ b/Documentation/devicetree/bindings/iio/gyroscope/bosch,bmg160.yaml
@@ -22,6 +22,9 @@ properties:
vdd-supply: true
vddio-supply: true
+ spi-max-frequency:
+ maximum: 10000000
+
interrupts:
minItems: 1
maxItems: 2
@@ -33,7 +36,10 @@ required:
- compatible
- reg
-additionalProperties: false
+allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
examples:
- |
--
GitLab
From 9c4058493b62f5ee7a0620e21d21592283c8f8f5 Mon Sep 17 00:00:00 2001
From: Danila Tikhonov <danila@jiaxyga.com>
Date: Thu, 22 Feb 2024 20:42:49 +0300
Subject: [PATCH 0743/2686] dt-bindings: interconnect: Add Qualcomm SM7150 DT
bindings
The Qualcomm SM7150 platform has several bus fabrics that could be
controlled and tuned dynamically according to the bandwidth demand.
Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240222174250.80493-2-danila@jiaxyga.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
.../interconnect/qcom,sm7150-rpmh.yaml | 84 ++++++++++
.../interconnect/qcom,sm7150-rpmh.h | 150 ++++++++++++++++++
2 files changed, 234 insertions(+)
create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,sm7150-rpmh.yaml
create mode 100644 include/dt-bindings/interconnect/qcom,sm7150-rpmh.h
diff --git a/Documentation/devicetree/bindings/interconnect/qcom,sm7150-rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,sm7150-rpmh.yaml
new file mode 100644
index 0000000000000..b565d1a382f65
--- /dev/null
+++ b/Documentation/devicetree/bindings/interconnect/qcom,sm7150-rpmh.yaml
@@ -0,0 +1,84 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interconnect/qcom,sm7150-rpmh.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm RPMh Network-On-Chip Interconnect on SM7150
+
+maintainers:
+ - Danila Tikhonov <danila@jiaxyga.com>
+
+description: |
+ RPMh interconnect providers support system bandwidth requirements through
+ RPMh hardware accelerators known as Bus Clock Manager (BCM).
+
+ See also:: include/dt-bindings/interconnect/qcom,sm7150-rpmh.h
+
+allOf:
+ - $ref: qcom,rpmh-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ - qcom,sm7150-aggre1-noc
+ - qcom,sm7150-aggre2-noc
+ - qcom,sm7150-compute-noc
+ - qcom,sm7150-config-noc
+ - qcom,sm7150-dc-noc
+ - qcom,sm7150-gem-noc
+ - qcom,sm7150-mc-virt
+ - qcom,sm7150-mmss-noc
+ - qcom,sm7150-system-noc
+
+ reg:
+ maxItems: 1
+
+# Child node's properties
+patternProperties:
+ '^interconnect-[0-9]+$':
+ type: object
+ description:
+ The interconnect providers do not have a separate QoS register space,
+ but share parent's space.
+
+ allOf:
+ - $ref: qcom,rpmh-common.yaml#
+
+ properties:
+ compatible:
+ enum:
+ - qcom,sm7150-camnoc-virt
+
+ required:
+ - compatible
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ mc_virt: interconnect@1380000 {
+ compatible = "qcom,sm7150-mc-virt";
+ reg = <0x01380000 0x40000>;
+ #interconnect-cells = <2>;
+ qcom,bcm-voters = <&apps_bcm_voter>;
+ };
+
+ system_noc: interconnect@1620000 {
+ compatible = "qcom,sm7150-system-noc";
+ reg = <0x01620000 0x40000>;
+ #interconnect-cells = <2>;
+ qcom,bcm-voters = <&apps_bcm_voter>;
+
+ camnoc_virt: interconnect-0 {
+ compatible = "qcom,sm7150-camnoc-virt";
+ #interconnect-cells = <2>;
+ qcom,bcm-voters = <&apps_bcm_voter>;
+ };
+ };
diff --git a/include/dt-bindings/interconnect/qcom,sm7150-rpmh.h b/include/dt-bindings/interconnect/qcom,sm7150-rpmh.h
new file mode 100644
index 0000000000000..1f610eb832aad
--- /dev/null
+++ b/include/dt-bindings/interconnect/qcom,sm7150-rpmh.h
@@ -0,0 +1,150 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Qualcomm SM7150 interconnect IDs
+ *
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2024, Danila Tikhonov <danila@jiaxyga.com>
+ */
+
+#ifndef __DT_BINDINGS_INTERCONNECT_QCOM_SM7150_H
+#define __DT_BINDINGS_INTERCONNECT_QCOM_SM7150_H
+
+#define MASTER_A1NOC_CFG 0
+#define MASTER_QUP_0 1
+#define MASTER_TSIF 2
+#define MASTER_EMMC 3
+#define MASTER_SDCC_2 4
+#define MASTER_SDCC_4 5
+#define MASTER_UFS_MEM 6
+#define A1NOC_SNOC_SLV 7
+#define SLAVE_SERVICE_A1NOC 8
+
+#define MASTER_A2NOC_CFG 0
+#define MASTER_QDSS_BAM 1
+#define MASTER_QUP_1 2
+#define MASTER_CNOC_A2NOC 3
+#define MASTER_CRYPTO_CORE_0 4
+#define MASTER_IPA 5
+#define MASTER_PCIE 6
+#define MASTER_QDSS_ETR 7
+#define MASTER_USB3 8
+#define A2NOC_SNOC_SLV 9
+#define SLAVE_ANOC_PCIE_GEM_NOC 10
+#define SLAVE_SERVICE_A2NOC 11
+
+#define MASTER_CAMNOC_HF0_UNCOMP 0
+#define MASTER_CAMNOC_RT_UNCOMP 1
+#define MASTER_CAMNOC_SF_UNCOMP 2
+#define MASTER_CAMNOC_NRT_UNCOMP 3
+#define SLAVE_CAMNOC_UNCOMP 4
+
+#define MASTER_NPU 0
+#define SLAVE_CDSP_GEM_NOC 1
+
+#define MASTER_SPDM 0
+#define SNOC_CNOC_MAS 1
+#define MASTER_QDSS_DAP 2
+#define SLAVE_A1NOC_CFG 3
+#define SLAVE_A2NOC_CFG 4
+#define SLAVE_AHB2PHY_NORTH 5
+#define SLAVE_AHB2PHY_SOUTH 6
+#define SLAVE_AHB2PHY_WEST 7
+#define SLAVE_AOP 8
+#define SLAVE_AOSS 9
+#define SLAVE_CAMERA_CFG 10
+#define SLAVE_CAMERA_NRT_THROTTLE_CFG 11
+#define SLAVE_CAMERA_RT_THROTTLE_CFG 12
+#define SLAVE_CLK_CTL 13
+#define SLAVE_CDSP_CFG 14
+#define SLAVE_RBCPR_CX_CFG 15
+#define SLAVE_RBCPR_MX_CFG 16
+#define SLAVE_CRYPTO_0_CFG 17
+#define SLAVE_CNOC_DDRSS 18
+#define SLAVE_DISPLAY_CFG 19
+#define SLAVE_DISPLAY_THROTTLE_CFG 20
+#define SLAVE_EMMC_CFG 21
+#define SLAVE_GLM 22
+#define SLAVE_GRAPHICS_3D_CFG 23
+#define SLAVE_IMEM_CFG 24
+#define SLAVE_IPA_CFG 25
+#define SLAVE_CNOC_MNOC_CFG 26
+#define SLAVE_PCIE_CFG 27
+#define SLAVE_PDM 28
+#define SLAVE_PIMEM_CFG 29
+#define SLAVE_PRNG 30
+#define SLAVE_QDSS_CFG 31
+#define SLAVE_QUP_0 32
+#define SLAVE_QUP_1 33
+#define SLAVE_SDCC_2 34
+#define SLAVE_SDCC_4 35
+#define SLAVE_SNOC_CFG 36
+#define SLAVE_SPDM_WRAPPER 37
+#define SLAVE_TCSR 38
+#define SLAVE_TLMM_NORTH 39
+#define SLAVE_TLMM_SOUTH 40
+#define SLAVE_TLMM_WEST 41
+#define SLAVE_TSIF 42
+#define SLAVE_UFS_MEM_CFG 43
+#define SLAVE_USB3 44
+#define SLAVE_VENUS_CFG 45
+#define SLAVE_VENUS_CVP_THROTTLE_CFG 46
+#define SLAVE_VENUS_THROTTLE_CFG 47
+#define SLAVE_VSENSE_CTRL_CFG 48
+#define SLAVE_CNOC_A2NOC 49
+#define SLAVE_SERVICE_CNOC 50
+
+#define MASTER_CNOC_DC_NOC 0
+#define SLAVE_GEM_NOC_CFG 1
+#define SLAVE_LLCC_CFG 2
+
+#define MASTER_AMPSS_M0 0
+#define MASTER_SYS_TCU 1
+#define MASTER_GEM_NOC_CFG 2
+#define MASTER_COMPUTE_NOC 3
+#define MASTER_MNOC_HF_MEM_NOC 4
+#define MASTER_MNOC_SF_MEM_NOC 5
+#define MASTER_GEM_NOC_PCIE_SNOC 6
+#define MASTER_SNOC_GC_MEM_NOC 7
+#define MASTER_SNOC_SF_MEM_NOC 8
+#define MASTER_GRAPHICS_3D 9
+#define SLAVE_MSS_PROC_MS_MPU_CFG 10
+#define SLAVE_GEM_NOC_SNOC 11
+#define SLAVE_LLCC 12
+#define SLAVE_SERVICE_GEM_NOC 13
+
+
+#define MASTER_LLCC 0
+#define SLAVE_EBI_CH0 1
+
+#define MASTER_CNOC_MNOC_CFG 0
+#define MASTER_CAMNOC_HF0 1
+#define MASTER_CAMNOC_NRT 2
+#define MASTER_CAMNOC_RT 3
+#define MASTER_CAMNOC_SF 4
+#define MASTER_MDP_PORT0 5
+#define MASTER_MDP_PORT1 6
+#define MASTER_ROTATOR 7
+#define MASTER_VIDEO_P0 8
+#define MASTER_VIDEO_P1 9
+#define MASTER_VIDEO_PROC 10
+#define SLAVE_MNOC_SF_MEM_NOC 11
+#define SLAVE_MNOC_HF_MEM_NOC 12
+#define SLAVE_SERVICE_MNOC 13
+
+#define MASTER_SNOC_CFG 0
+#define A1NOC_SNOC_MAS 1
+#define A2NOC_SNOC_MAS 2
+#define MASTER_GEM_NOC_SNOC 3
+#define MASTER_PIMEM 4
+#define MASTER_GIC 5
+#define SLAVE_APPSS 6
+#define SNOC_CNOC_SLV 7
+#define SLAVE_SNOC_GEM_NOC_GC 8
+#define SLAVE_SNOC_GEM_NOC_SF 9
+#define SLAVE_OCIMEM 10
+#define SLAVE_PIMEM 11
+#define SLAVE_SERVICE_SNOC 12
+#define SLAVE_QDSS_STM 13
+#define SLAVE_TCU 14
+
+#endif
--
GitLab
From 4a1574cea02c2cf06a506cff045187f948c92212 Mon Sep 17 00:00:00 2001
From: Danila Tikhonov <danila@jiaxyga.com>
Date: Thu, 22 Feb 2024 20:42:50 +0300
Subject: [PATCH 0744/2686] interconnect: qcom: Add SM7150 driver support
Add a driver that handles the different NoCs found on SM7150, based on the
downstream dtb.
Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Link: https://lore.kernel.org/r/20240222174250.80493-3-danila@jiaxyga.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
drivers/interconnect/qcom/Kconfig | 9 +
drivers/interconnect/qcom/Makefile | 2 +
drivers/interconnect/qcom/sm7150.c | 1754 ++++++++++++++++++++++++++++
drivers/interconnect/qcom/sm7150.h | 140 +++
4 files changed, 1905 insertions(+)
create mode 100644 drivers/interconnect/qcom/sm7150.c
create mode 100644 drivers/interconnect/qcom/sm7150.h
diff --git a/drivers/interconnect/qcom/Kconfig b/drivers/interconnect/qcom/Kconfig
index 697f96c49f6f4..465523c70d3e9 100644
--- a/drivers/interconnect/qcom/Kconfig
+++ b/drivers/interconnect/qcom/Kconfig
@@ -209,6 +209,15 @@ config INTERCONNECT_QCOM_SM6350
This is a driver for the Qualcomm Network-on-Chip on sm6350-based
platforms.
+config INTERCONNECT_QCOM_SM7150
+ tristate "Qualcomm SM7150 interconnect driver"
+ depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
+ select INTERCONNECT_QCOM_RPMH
+ select INTERCONNECT_QCOM_BCM_VOTER
+ help
+ This is a driver for the Qualcomm Network-on-Chip on sm7150-based
+ platforms.
+
config INTERCONNECT_QCOM_SM8150
tristate "Qualcomm SM8150 interconnect driver"
depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
diff --git a/drivers/interconnect/qcom/Makefile b/drivers/interconnect/qcom/Makefile
index 7048461650221..51d5084bbb3b9 100644
--- a/drivers/interconnect/qcom/Makefile
+++ b/drivers/interconnect/qcom/Makefile
@@ -26,6 +26,7 @@ qnoc-sdx65-objs := sdx65.o
qnoc-sdx75-objs := sdx75.o
qnoc-sm6115-objs := sm6115.o
qnoc-sm6350-objs := sm6350.o
+qnoc-sm7150-objs := sm7150.o
qnoc-sm8150-objs := sm8150.o
qnoc-sm8250-objs := sm8250.o
qnoc-sm8350-objs := sm8350.o
@@ -58,6 +59,7 @@ obj-$(CONFIG_INTERCONNECT_QCOM_SDX65) += qnoc-sdx65.o
obj-$(CONFIG_INTERCONNECT_QCOM_SDX75) += qnoc-sdx75.o
obj-$(CONFIG_INTERCONNECT_QCOM_SM6115) += qnoc-sm6115.o
obj-$(CONFIG_INTERCONNECT_QCOM_SM6350) += qnoc-sm6350.o
+obj-$(CONFIG_INTERCONNECT_QCOM_SM7150) += qnoc-sm7150.o
obj-$(CONFIG_INTERCONNECT_QCOM_SM8150) += qnoc-sm8150.o
obj-$(CONFIG_INTERCONNECT_QCOM_SM8250) += qnoc-sm8250.o
obj-$(CONFIG_INTERCONNECT_QCOM_SM8350) += qnoc-sm8350.o
diff --git a/drivers/interconnect/qcom/sm7150.c b/drivers/interconnect/qcom/sm7150.c
new file mode 100644
index 0000000000000..dc0d1343f5100
--- /dev/null
+++ b/drivers/interconnect/qcom/sm7150.c
@@ -0,0 +1,1754 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2024, Danila Tikhonov <danila@jiaxyga.com>
+ */
+
+#include <linux/device.h>
+#include <linux/interconnect.h>
+#include <linux/interconnect-provider.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <dt-bindings/interconnect/qcom,sm7150-rpmh.h>
+
+#include "bcm-voter.h"
+#include "icc-rpmh.h"
+#include "sm7150.h"
+
+static struct qcom_icc_node qhm_a1noc_cfg = {
+ .name = "qhm-a1noc-cfg",
+ .id = SM7150_MASTER_A1NOC_CFG,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_SERVICE_A1NOC },
+};
+
+static struct qcom_icc_node qhm_qup_center = {
+ .name = "qhm_qup_center",
+ .id = SM7150_MASTER_QUP_0,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_A1NOC_SNOC_SLV },
+};
+
+static struct qcom_icc_node qhm_tsif = {
+ .name = "qhm_tsif",
+ .id = SM7150_MASTER_TSIF,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_A1NOC_SNOC_SLV },
+};
+
+static struct qcom_icc_node xm_emmc = {
+ .name = "xm_emmc",
+ .id = SM7150_MASTER_EMMC,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_A1NOC_SNOC_SLV },
+};
+
+static struct qcom_icc_node xm_sdc2 = {
+ .name = "xm_sdc2",
+ .id = SM7150_MASTER_SDCC_2,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_A1NOC_SNOC_SLV },
+};
+
+static struct qcom_icc_node xm_sdc4 = {
+ .name = "xm_sdc4",
+ .id = SM7150_MASTER_SDCC_4,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_A1NOC_SNOC_SLV },
+};
+
+static struct qcom_icc_node xm_ufs_mem = {
+ .name = "xm_ufs_mem",
+ .id = SM7150_MASTER_UFS_MEM,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_A1NOC_SNOC_SLV },
+};
+
+static struct qcom_icc_node qhm_a2noc_cfg = {
+ .name = "qhm_a2noc_cfg",
+ .id = SM7150_MASTER_A2NOC_CFG,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_SERVICE_A2NOC },
+};
+
+static struct qcom_icc_node qhm_qdss_bam = {
+ .name = "qhm_qdss_bam",
+ .id = SM7150_MASTER_QDSS_BAM,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_A2NOC_SNOC_SLV },
+};
+
+static struct qcom_icc_node qhm_qup_north = {
+ .name = "qhm_qup_north",
+ .id = SM7150_MASTER_QUP_1,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_A2NOC_SNOC_SLV },
+};
+
+static struct qcom_icc_node qnm_cnoc = {
+ .name = "qnm_cnoc",
+ .id = SM7150_MASTER_CNOC_A2NOC,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_A2NOC_SNOC_SLV },
+};
+
+static struct qcom_icc_node qxm_crypto = {
+ .name = "qxm_crypto",
+ .id = SM7150_MASTER_CRYPTO_CORE_0,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_A2NOC_SNOC_SLV },
+};
+
+static struct qcom_icc_node qxm_ipa = {
+ .name = "qxm_ipa",
+ .id = SM7150_MASTER_IPA,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_A2NOC_SNOC_SLV },
+};
+
+static struct qcom_icc_node xm_pcie3_0 = {
+ .name = "xm_pcie3_0",
+ .id = SM7150_MASTER_PCIE,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_ANOC_PCIE_GEM_NOC },
+};
+
+static struct qcom_icc_node xm_qdss_etr = {
+ .name = "xm_qdss_etr",
+ .id = SM7150_MASTER_QDSS_ETR,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_A2NOC_SNOC_SLV },
+};
+
+static struct qcom_icc_node xm_usb3_0 = {
+ .name = "xm_usb3_0",
+ .id = SM7150_MASTER_USB3,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_A2NOC_SNOC_SLV },
+};
+
+static struct qcom_icc_node qxm_camnoc_hf0_uncomp = {
+ .name = "qxm_camnoc_hf0_uncomp",
+ .id = SM7150_MASTER_CAMNOC_HF0_UNCOMP,
+ .channels = 2,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_CAMNOC_UNCOMP },
+};
+
+static struct qcom_icc_node qxm_camnoc_rt_uncomp = {
+ .name = "qxm_camnoc_rt_uncomp",
+ .id = SM7150_MASTER_CAMNOC_RT_UNCOMP,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_CAMNOC_UNCOMP },
+};
+
+static struct qcom_icc_node qxm_camnoc_sf_uncomp = {
+ .name = "qxm_camnoc_sf_uncomp",
+ .id = SM7150_MASTER_CAMNOC_SF_UNCOMP,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_CAMNOC_UNCOMP },
+};
+
+static struct qcom_icc_node qxm_camnoc_nrt_uncomp = {
+ .name = "qxm_camnoc_nrt_uncomp",
+ .id = SM7150_MASTER_CAMNOC_NRT_UNCOMP,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_CAMNOC_UNCOMP },
+};
+
+static struct qcom_icc_node qnm_npu = {
+ .name = "qnm_npu",
+ .id = SM7150_MASTER_NPU,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_CDSP_GEM_NOC },
+};
+
+static struct qcom_icc_node qhm_spdm = {
+ .name = "qhm_spdm",
+ .id = SM7150_MASTER_SPDM,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_CNOC_A2NOC },
+};
+
+static struct qcom_icc_node qnm_snoc = {
+ .name = "qnm_snoc",
+ .id = SM7150_SNOC_CNOC_MAS,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 47,
+ .links = { SM7150_SLAVE_TLMM_SOUTH,
+ SM7150_SLAVE_CAMERA_CFG,
+ SM7150_SLAVE_SDCC_4,
+ SM7150_SLAVE_SDCC_2,
+ SM7150_SLAVE_CNOC_MNOC_CFG,
+ SM7150_SLAVE_UFS_MEM_CFG,
+ SM7150_SLAVE_QUP_0,
+ SM7150_SLAVE_GLM,
+ SM7150_SLAVE_PDM,
+ SM7150_SLAVE_CAMERA_NRT_THROTTLE_CFG,
+ SM7150_SLAVE_A2NOC_CFG,
+ SM7150_SLAVE_QDSS_CFG,
+ SM7150_SLAVE_CAMERA_RT_THROTTLE_CFG,
+ SM7150_SLAVE_DISPLAY_CFG,
+ SM7150_SLAVE_PCIE_CFG,
+ SM7150_SLAVE_DISPLAY_THROTTLE_CFG,
+ SM7150_SLAVE_TCSR,
+ SM7150_SLAVE_VENUS_CVP_THROTTLE_CFG,
+ SM7150_SLAVE_CNOC_DDRSS,
+ SM7150_SLAVE_AHB2PHY_NORTH,
+ SM7150_SLAVE_SNOC_CFG,
+ SM7150_SLAVE_GRAPHICS_3D_CFG,
+ SM7150_SLAVE_VENUS_CFG,
+ SM7150_SLAVE_TSIF,
+ SM7150_SLAVE_CDSP_CFG,
+ SM7150_SLAVE_CLK_CTL,
+ SM7150_SLAVE_AOP,
+ SM7150_SLAVE_QUP_1,
+ SM7150_SLAVE_AHB2PHY_SOUTH,
+ SM7150_SLAVE_SERVICE_CNOC,
+ SM7150_SLAVE_AHB2PHY_WEST,
+ SM7150_SLAVE_USB3,
+ SM7150_SLAVE_VENUS_THROTTLE_CFG,
+ SM7150_SLAVE_IPA_CFG,
+ SM7150_SLAVE_RBCPR_CX_CFG,
+ SM7150_SLAVE_TLMM_WEST,
+ SM7150_SLAVE_A1NOC_CFG,
+ SM7150_SLAVE_AOSS,
+ SM7150_SLAVE_PRNG,
+ SM7150_SLAVE_VSENSE_CTRL_CFG,
+ SM7150_SLAVE_EMMC_CFG,
+ SM7150_SLAVE_SPDM_WRAPPER,
+ SM7150_SLAVE_CRYPTO_0_CFG,
+ SM7150_SLAVE_PIMEM_CFG,
+ SM7150_SLAVE_TLMM_NORTH,
+ SM7150_SLAVE_RBCPR_MX_CFG,
+ SM7150_SLAVE_IMEM_CFG
+ },
+};
+
+static struct qcom_icc_node xm_qdss_dap = {
+ .name = "xm_qdss_dap",
+ .id = SM7150_MASTER_QDSS_DAP,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 48,
+ .links = { SM7150_SLAVE_TLMM_SOUTH,
+ SM7150_SLAVE_CAMERA_CFG,
+ SM7150_SLAVE_SDCC_4,
+ SM7150_SLAVE_SDCC_2,
+ SM7150_SLAVE_CNOC_MNOC_CFG,
+ SM7150_SLAVE_UFS_MEM_CFG,
+ SM7150_SLAVE_QUP_0,
+ SM7150_SLAVE_GLM,
+ SM7150_SLAVE_PDM,
+ SM7150_SLAVE_CAMERA_NRT_THROTTLE_CFG,
+ SM7150_SLAVE_A2NOC_CFG,
+ SM7150_SLAVE_QDSS_CFG,
+ SM7150_SLAVE_CAMERA_RT_THROTTLE_CFG,
+ SM7150_SLAVE_DISPLAY_CFG,
+ SM7150_SLAVE_PCIE_CFG,
+ SM7150_SLAVE_DISPLAY_THROTTLE_CFG,
+ SM7150_SLAVE_TCSR,
+ SM7150_SLAVE_VENUS_CVP_THROTTLE_CFG,
+ SM7150_SLAVE_CNOC_DDRSS,
+ SM7150_SLAVE_CNOC_A2NOC,
+ SM7150_SLAVE_AHB2PHY_NORTH,
+ SM7150_SLAVE_SNOC_CFG,
+ SM7150_SLAVE_GRAPHICS_3D_CFG,
+ SM7150_SLAVE_VENUS_CFG,
+ SM7150_SLAVE_TSIF,
+ SM7150_SLAVE_CDSP_CFG,
+ SM7150_SLAVE_CLK_CTL,
+ SM7150_SLAVE_AOP,
+ SM7150_SLAVE_QUP_1,
+ SM7150_SLAVE_AHB2PHY_SOUTH,
+ SM7150_SLAVE_SERVICE_CNOC,
+ SM7150_SLAVE_AHB2PHY_WEST,
+ SM7150_SLAVE_USB3,
+ SM7150_SLAVE_VENUS_THROTTLE_CFG,
+ SM7150_SLAVE_IPA_CFG,
+ SM7150_SLAVE_RBCPR_CX_CFG,
+ SM7150_SLAVE_TLMM_WEST,
+ SM7150_SLAVE_A1NOC_CFG,
+ SM7150_SLAVE_AOSS,
+ SM7150_SLAVE_PRNG,
+ SM7150_SLAVE_VSENSE_CTRL_CFG,
+ SM7150_SLAVE_EMMC_CFG,
+ SM7150_SLAVE_SPDM_WRAPPER,
+ SM7150_SLAVE_CRYPTO_0_CFG,
+ SM7150_SLAVE_PIMEM_CFG,
+ SM7150_SLAVE_TLMM_NORTH,
+ SM7150_SLAVE_RBCPR_MX_CFG,
+ SM7150_SLAVE_IMEM_CFG
+ },
+};
+
+static struct qcom_icc_node qhm_cnoc_dc_noc = {
+ .name = "qhm_cnoc_dc_noc",
+ .id = SM7150_MASTER_CNOC_DC_NOC,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 2,
+ .links = { SM7150_SLAVE_LLCC_CFG,
+ SM7150_SLAVE_GEM_NOC_CFG
+ },
+};
+
+static struct qcom_icc_node acm_apps = {
+ .name = "acm_apps",
+ .id = SM7150_MASTER_AMPSS_M0,
+ .channels = 1,
+ .buswidth = 16,
+ .num_links = 2,
+ .links = { SM7150_SLAVE_LLCC,
+ SM7150_SLAVE_GEM_NOC_SNOC
+ },
+};
+
+static struct qcom_icc_node acm_sys_tcu = {
+ .name = "acm_sys_tcu",
+ .id = SM7150_MASTER_SYS_TCU,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 2,
+ .links = { SM7150_SLAVE_LLCC,
+ SM7150_SLAVE_GEM_NOC_SNOC
+ },
+};
+
+static struct qcom_icc_node qhm_gemnoc_cfg = {
+ .name = "qhm_gemnoc_cfg",
+ .id = SM7150_MASTER_GEM_NOC_CFG,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 2,
+ .links = { SM7150_SLAVE_SERVICE_GEM_NOC,
+ SM7150_SLAVE_MSS_PROC_MS_MPU_CFG
+ },
+};
+
+static struct qcom_icc_node qnm_cmpnoc = {
+ .name = "qnm_cmpnoc",
+ .id = SM7150_MASTER_COMPUTE_NOC,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 2,
+ .links = { SM7150_SLAVE_LLCC,
+ SM7150_SLAVE_GEM_NOC_SNOC
+ },
+};
+
+static struct qcom_icc_node qnm_mnoc_hf = {
+ .name = "qnm_mnoc_hf",
+ .id = SM7150_MASTER_MNOC_HF_MEM_NOC,
+ .channels = 2,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_LLCC },
+};
+
+static struct qcom_icc_node qnm_mnoc_sf = {
+ .name = "qnm_mnoc_sf",
+ .id = SM7150_MASTER_MNOC_SF_MEM_NOC,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 2,
+ .links = { SM7150_SLAVE_LLCC,
+ SM7150_SLAVE_GEM_NOC_SNOC
+ },
+};
+
+static struct qcom_icc_node qnm_pcie = {
+ .name = "qnm_pcie",
+ .id = SM7150_MASTER_GEM_NOC_PCIE_SNOC,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 2,
+ .links = { SM7150_SLAVE_LLCC,
+ SM7150_SLAVE_GEM_NOC_SNOC
+ },
+};
+
+static struct qcom_icc_node qnm_snoc_gc = {
+ .name = "qnm_snoc_gc",
+ .id = SM7150_MASTER_SNOC_GC_MEM_NOC,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_LLCC },
+};
+
+static struct qcom_icc_node qnm_snoc_sf = {
+ .name = "qnm_snoc_sf",
+ .id = SM7150_MASTER_SNOC_SF_MEM_NOC,
+ .channels = 1,
+ .buswidth = 16,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_LLCC },
+};
+
+static struct qcom_icc_node qxm_gpu = {
+ .name = "qxm_gpu",
+ .id = SM7150_MASTER_GRAPHICS_3D,
+ .channels = 2,
+ .buswidth = 32,
+ .num_links = 2,
+ .links = { SM7150_SLAVE_LLCC,
+ SM7150_SLAVE_GEM_NOC_SNOC
+ },
+};
+
+static struct qcom_icc_node llcc_mc = {
+ .name = "llcc_mc",
+ .id = SM7150_MASTER_LLCC,
+ .channels = 2,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_EBI_CH0 },
+};
+
+static struct qcom_icc_node qhm_mnoc_cfg = {
+ .name = "qhm_mnoc_cfg",
+ .id = SM7150_MASTER_CNOC_MNOC_CFG,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_SERVICE_MNOC },
+};
+
+static struct qcom_icc_node qxm_camnoc_hf = {
+ .name = "qxm_camnoc_hf",
+ .id = SM7150_MASTER_CAMNOC_HF0,
+ .channels = 2,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_MNOC_HF_MEM_NOC },
+};
+
+static struct qcom_icc_node qxm_camnoc_nrt = {
+ .name = "qxm_camnoc_nrt",
+ .id = SM7150_MASTER_CAMNOC_NRT,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_MNOC_SF_MEM_NOC },
+};
+
+static struct qcom_icc_node qxm_camnoc_rt = {
+ .name = "qxm_camnoc_rt",
+ .id = SM7150_MASTER_CAMNOC_RT,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_MNOC_HF_MEM_NOC },
+};
+
+static struct qcom_icc_node qxm_camnoc_sf = {
+ .name = "qxm_camnoc_sf",
+ .id = SM7150_MASTER_CAMNOC_SF,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_MNOC_SF_MEM_NOC },
+};
+
+static struct qcom_icc_node qxm_mdp0 = {
+ .name = "qxm_mdp0",
+ .id = SM7150_MASTER_MDP_PORT0,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_MNOC_HF_MEM_NOC },
+};
+
+static struct qcom_icc_node qxm_mdp1 = {
+ .name = "qxm_mdp1",
+ .id = SM7150_MASTER_MDP_PORT1,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_MNOC_HF_MEM_NOC },
+};
+
+static struct qcom_icc_node qxm_rot = {
+ .name = "qxm_rot",
+ .id = SM7150_MASTER_ROTATOR,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_MNOC_SF_MEM_NOC },
+};
+
+static struct qcom_icc_node qxm_venus0 = {
+ .name = "qxm_venus0",
+ .id = SM7150_MASTER_VIDEO_P0,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_MNOC_SF_MEM_NOC },
+};
+
+static struct qcom_icc_node qxm_venus1 = {
+ .name = "qxm_venus1",
+ .id = SM7150_MASTER_VIDEO_P1,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_MNOC_SF_MEM_NOC },
+};
+
+static struct qcom_icc_node qxm_venus_arm9 = {
+ .name = "qxm_venus_arm9",
+ .id = SM7150_MASTER_VIDEO_PROC,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_MNOC_SF_MEM_NOC },
+};
+
+static struct qcom_icc_node qhm_snoc_cfg = {
+ .name = "qhm_snoc_cfg",
+ .id = SM7150_MASTER_SNOC_CFG,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_SLAVE_SERVICE_SNOC },
+};
+
+static struct qcom_icc_node qnm_aggre1_noc = {
+ .name = "qnm_aggre1_noc",
+ .id = SM7150_A1NOC_SNOC_MAS,
+ .channels = 1,
+ .buswidth = 16,
+ .num_links = 6,
+ .links = { SM7150_SLAVE_SNOC_GEM_NOC_SF,
+ SM7150_SLAVE_PIMEM,
+ SM7150_SLAVE_OCIMEM,
+ SM7150_SLAVE_APPSS,
+ SM7150_SNOC_CNOC_SLV,
+ SM7150_SLAVE_QDSS_STM
+ },
+};
+
+static struct qcom_icc_node qnm_aggre2_noc = {
+ .name = "qnm_aggre2_noc",
+ .id = SM7150_A2NOC_SNOC_MAS,
+ .channels = 1,
+ .buswidth = 16,
+ .num_links = 7,
+ .links = { SM7150_SLAVE_SNOC_GEM_NOC_SF,
+ SM7150_SLAVE_PIMEM,
+ SM7150_SLAVE_OCIMEM,
+ SM7150_SLAVE_APPSS,
+ SM7150_SNOC_CNOC_SLV,
+ SM7150_SLAVE_TCU,
+ SM7150_SLAVE_QDSS_STM
+ },
+};
+
+static struct qcom_icc_node qnm_gemnoc = {
+ .name = "qnm_gemnoc",
+ .id = SM7150_MASTER_GEM_NOC_SNOC,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 6,
+ .links = { SM7150_SLAVE_PIMEM,
+ SM7150_SLAVE_OCIMEM,
+ SM7150_SLAVE_APPSS,
+ SM7150_SNOC_CNOC_SLV,
+ SM7150_SLAVE_TCU,
+ SM7150_SLAVE_QDSS_STM
+ },
+};
+
+static struct qcom_icc_node qxm_pimem = {
+ .name = "qxm_pimem",
+ .id = SM7150_MASTER_PIMEM,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 2,
+ .links = { SM7150_SLAVE_SNOC_GEM_NOC_GC,
+ SM7150_SLAVE_OCIMEM
+ },
+};
+
+static struct qcom_icc_node xm_gic = {
+ .name = "xm_gic",
+ .id = SM7150_MASTER_GIC,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 2,
+ .links = { SM7150_SLAVE_SNOC_GEM_NOC_GC,
+ SM7150_SLAVE_OCIMEM
+ },
+};
+
+static struct qcom_icc_node qns_a1noc_snoc = {
+ .name = "qns_a1noc_snoc",
+ .id = SM7150_A1NOC_SNOC_SLV,
+ .channels = 1,
+ .buswidth = 16,
+ .num_links = 1,
+ .links = { SM7150_A1NOC_SNOC_MAS },
+};
+
+static struct qcom_icc_node srvc_aggre1_noc = {
+ .name = "srvc_aggre1_noc",
+ .id = SM7150_SLAVE_SERVICE_A1NOC,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qns_a2noc_snoc = {
+ .name = "qns_a2noc_snoc",
+ .id = SM7150_A2NOC_SNOC_SLV,
+ .channels = 1,
+ .buswidth = 16,
+ .num_links = 1,
+ .links = { SM7150_A2NOC_SNOC_MAS },
+};
+
+static struct qcom_icc_node qns_pcie_gemnoc = {
+ .name = "qns_pcie_gemnoc",
+ .id = SM7150_SLAVE_ANOC_PCIE_GEM_NOC,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_MASTER_GEM_NOC_PCIE_SNOC },
+};
+
+static struct qcom_icc_node srvc_aggre2_noc = {
+ .name = "srvc_aggre2_noc",
+ .id = SM7150_SLAVE_SERVICE_A2NOC,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qns_camnoc_uncomp = {
+ .name = "qns_camnoc_uncomp",
+ .id = SM7150_SLAVE_CAMNOC_UNCOMP,
+ .channels = 1,
+ .buswidth = 32,
+};
+
+static struct qcom_icc_node qns_cdsp_gemnoc = {
+ .name = "qns_cdsp_gemnoc",
+ .id = SM7150_SLAVE_CDSP_GEM_NOC,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_MASTER_COMPUTE_NOC },
+};
+
+static struct qcom_icc_node qhs_a1_noc_cfg = {
+ .name = "qhs_a1_noc_cfg",
+ .id = SM7150_SLAVE_A1NOC_CFG,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_MASTER_A1NOC_CFG },
+};
+
+static struct qcom_icc_node qhs_a2_noc_cfg = {
+ .name = "qhs_a2_noc_cfg",
+ .id = SM7150_SLAVE_A2NOC_CFG,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_MASTER_A2NOC_CFG },
+};
+
+static struct qcom_icc_node qhs_ahb2phy_north = {
+ .name = "qhs_ahb2phy_north",
+ .id = SM7150_SLAVE_AHB2PHY_NORTH,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_ahb2phy_south = {
+ .name = "qhs_ahb2phy_south",
+ .id = SM7150_SLAVE_AHB2PHY_SOUTH,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_ahb2phy_west = {
+ .name = "qhs_ahb2phy_west",
+ .id = SM7150_SLAVE_AHB2PHY_WEST,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_aop = {
+ .name = "qhs_aop",
+ .id = SM7150_SLAVE_AOP,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_aoss = {
+ .name = "qhs_aoss",
+ .id = SM7150_SLAVE_AOSS,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_camera_cfg = {
+ .name = "qhs_camera_cfg",
+ .id = SM7150_SLAVE_CAMERA_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_camera_nrt_thrott_cfg = {
+ .name = "qhs_camera_nrt_thrott_cfg",
+ .id = SM7150_SLAVE_CAMERA_NRT_THROTTLE_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_camera_rt_throttle_cfg = {
+ .name = "qhs_camera_rt_throttle_cfg",
+ .id = SM7150_SLAVE_CAMERA_RT_THROTTLE_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_clk_ctl = {
+ .name = "qhs_clk_ctl",
+ .id = SM7150_SLAVE_CLK_CTL,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_compute_dsp_cfg = {
+ .name = "qhs_compute_dsp_cfg",
+ .id = SM7150_SLAVE_CDSP_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_cpr_cx = {
+ .name = "qhs_cpr_cx",
+ .id = SM7150_SLAVE_RBCPR_CX_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_cpr_mx = {
+ .name = "qhs_cpr_mx",
+ .id = SM7150_SLAVE_RBCPR_MX_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_crypto0_cfg = {
+ .name = "qhs_crypto0_cfg",
+ .id = SM7150_SLAVE_CRYPTO_0_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_ddrss_cfg = {
+ .name = "qhs_ddrss_cfg",
+ .id = SM7150_SLAVE_CNOC_DDRSS,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_MASTER_CNOC_DC_NOC },
+};
+
+static struct qcom_icc_node qhs_display_cfg = {
+ .name = "qhs_display_cfg",
+ .id = SM7150_SLAVE_DISPLAY_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_display_throttle_cfg = {
+ .name = "qhs_display_throttle_cfg",
+ .id = SM7150_SLAVE_DISPLAY_THROTTLE_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_emmc_cfg = {
+ .name = "qhs_emmc_cfg",
+ .id = SM7150_SLAVE_EMMC_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_glm = {
+ .name = "qhs_glm",
+ .id = SM7150_SLAVE_GLM,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_gpuss_cfg = {
+ .name = "qhs_gpuss_cfg",
+ .id = SM7150_SLAVE_GRAPHICS_3D_CFG,
+ .channels = 1,
+ .buswidth = 8,
+};
+
+static struct qcom_icc_node qhs_imem_cfg = {
+ .name = "qhs_imem_cfg",
+ .id = SM7150_SLAVE_IMEM_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_ipa = {
+ .name = "qhs_ipa",
+ .id = SM7150_SLAVE_IPA_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_mnoc_cfg = {
+ .name = "qhs_mnoc_cfg",
+ .id = SM7150_SLAVE_CNOC_MNOC_CFG,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_MASTER_CNOC_MNOC_CFG },
+};
+
+static struct qcom_icc_node qhs_pcie_cfg = {
+ .name = "qhs_pcie_cfg",
+ .id = SM7150_SLAVE_PCIE_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_pdm = {
+ .name = "qhs_pdm",
+ .id = SM7150_SLAVE_PDM,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_pimem_cfg = {
+ .name = "qhs_pimem_cfg",
+ .id = SM7150_SLAVE_PIMEM_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_prng = {
+ .name = "qhs_prng",
+ .id = SM7150_SLAVE_PRNG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_qdss_cfg = {
+ .name = "qhs_qdss_cfg",
+ .id = SM7150_SLAVE_QDSS_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_qupv3_center = {
+ .name = "qhs_qupv3_center",
+ .id = SM7150_SLAVE_QUP_0,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_qupv3_north = {
+ .name = "qhs_qupv3_north",
+ .id = SM7150_SLAVE_QUP_1,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_sdc2 = {
+ .name = "qhs_sdc2",
+ .id = SM7150_SLAVE_SDCC_2,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_sdc4 = {
+ .name = "qhs_sdc4",
+ .id = SM7150_SLAVE_SDCC_4,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_snoc_cfg = {
+ .name = "qhs_snoc_cfg",
+ .id = SM7150_SLAVE_SNOC_CFG,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_MASTER_SNOC_CFG },
+};
+
+static struct qcom_icc_node qhs_spdm = {
+ .name = "qhs_spdm",
+ .id = SM7150_SLAVE_SPDM_WRAPPER,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_tcsr = {
+ .name = "qhs_tcsr",
+ .id = SM7150_SLAVE_TCSR,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_tlmm_north = {
+ .name = "qhs_tlmm_north",
+ .id = SM7150_SLAVE_TLMM_NORTH,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_tlmm_south = {
+ .name = "qhs_tlmm_south",
+ .id = SM7150_SLAVE_TLMM_SOUTH,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_tlmm_west = {
+ .name = "qhs_tlmm_west",
+ .id = SM7150_SLAVE_TLMM_WEST,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_tsif = {
+ .name = "qhs_tsif",
+ .id = SM7150_SLAVE_TSIF,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_ufs_mem_cfg = {
+ .name = "qhs_ufs_mem_cfg",
+ .id = SM7150_SLAVE_UFS_MEM_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_usb3_0 = {
+ .name = "qhs_usb3_0",
+ .id = SM7150_SLAVE_USB3,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_venus_cfg = {
+ .name = "qhs_venus_cfg",
+ .id = SM7150_SLAVE_VENUS_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_venus_cvp_throttle_cfg = {
+ .name = "qhs_venus_cvp_throttle_cfg",
+ .id = SM7150_SLAVE_VENUS_CVP_THROTTLE_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_venus_throttle_cfg = {
+ .name = "qhs_venus_throttle_cfg",
+ .id = SM7150_SLAVE_VENUS_THROTTLE_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_vsense_ctrl_cfg = {
+ .name = "qhs_vsense_ctrl_cfg",
+ .id = SM7150_SLAVE_VSENSE_CTRL_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qns_cnoc_a2noc = {
+ .name = "qns_cnoc_a2noc",
+ .id = SM7150_SLAVE_CNOC_A2NOC,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_MASTER_CNOC_A2NOC },
+};
+
+static struct qcom_icc_node srvc_cnoc = {
+ .name = "srvc_cnoc",
+ .id = SM7150_SLAVE_SERVICE_CNOC,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_gemnoc = {
+ .name = "qhs_gemnoc",
+ .id = SM7150_SLAVE_GEM_NOC_CFG,
+ .channels = 1,
+ .buswidth = 4,
+ .num_links = 1,
+ .links = { SM7150_MASTER_GEM_NOC_CFG },
+};
+
+static struct qcom_icc_node qhs_llcc = {
+ .name = "qhs_llcc",
+ .id = SM7150_SLAVE_LLCC_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_mdsp_ms_mpu_cfg = {
+ .name = "qhs_mdsp_ms_mpu_cfg",
+ .id = SM7150_SLAVE_MSS_PROC_MS_MPU_CFG,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qns_gem_noc_snoc = {
+ .name = "qns_gem_noc_snoc",
+ .id = SM7150_SLAVE_GEM_NOC_SNOC,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_MASTER_GEM_NOC_SNOC },
+};
+
+static struct qcom_icc_node qns_llcc = {
+ .name = "qns_llcc",
+ .id = SM7150_SLAVE_LLCC,
+ .channels = 2,
+ .buswidth = 16,
+ .num_links = 1,
+ .links = { SM7150_MASTER_LLCC },
+};
+
+static struct qcom_icc_node srvc_gemnoc = {
+ .name = "srvc_gemnoc",
+ .id = SM7150_SLAVE_SERVICE_GEM_NOC,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node ebi = {
+ .name = "ebi",
+ .id = SM7150_SLAVE_EBI_CH0,
+ .channels = 2,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qns2_mem_noc = {
+ .name = "qns2_mem_noc",
+ .id = SM7150_SLAVE_MNOC_SF_MEM_NOC,
+ .channels = 1,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_MASTER_MNOC_SF_MEM_NOC },
+};
+
+static struct qcom_icc_node qns_mem_noc_hf = {
+ .name = "qns_mem_noc_hf",
+ .id = SM7150_SLAVE_MNOC_HF_MEM_NOC,
+ .channels = 2,
+ .buswidth = 32,
+ .num_links = 1,
+ .links = { SM7150_MASTER_MNOC_HF_MEM_NOC },
+};
+
+static struct qcom_icc_node srvc_mnoc = {
+ .name = "srvc_mnoc",
+ .id = SM7150_SLAVE_SERVICE_MNOC,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node qhs_apss = {
+ .name = "qhs_apss",
+ .id = SM7150_SLAVE_APPSS,
+ .channels = 1,
+ .buswidth = 8,
+};
+
+static struct qcom_icc_node qns_cnoc = {
+ .name = "qns_cnoc",
+ .id = SM7150_SNOC_CNOC_SLV,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_SNOC_CNOC_MAS },
+};
+
+static struct qcom_icc_node qns_gemnoc_gc = {
+ .name = "qns_gemnoc_gc",
+ .id = SM7150_SLAVE_SNOC_GEM_NOC_GC,
+ .channels = 1,
+ .buswidth = 8,
+ .num_links = 1,
+ .links = { SM7150_MASTER_SNOC_GC_MEM_NOC },
+};
+
+static struct qcom_icc_node qns_gemnoc_sf = {
+ .name = "qns_gemnoc_sf",
+ .id = SM7150_SLAVE_SNOC_GEM_NOC_SF,
+ .channels = 1,
+ .buswidth = 16,
+ .num_links = 1,
+ .links = { SM7150_MASTER_SNOC_SF_MEM_NOC },
+};
+
+static struct qcom_icc_node qxs_imem = {
+ .name = "qxs_imem",
+ .id = SM7150_SLAVE_OCIMEM,
+ .channels = 1,
+ .buswidth = 8,
+};
+
+static struct qcom_icc_node qxs_pimem = {
+ .name = "qxs_pimem",
+ .id = SM7150_SLAVE_PIMEM,
+ .channels = 1,
+ .buswidth = 8,
+};
+
+static struct qcom_icc_node srvc_snoc = {
+ .name = "srvc_snoc",
+ .id = SM7150_SLAVE_SERVICE_SNOC,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node xs_qdss_stm = {
+ .name = "xs_qdss_stm",
+ .id = SM7150_SLAVE_QDSS_STM,
+ .channels = 1,
+ .buswidth = 4,
+};
+
+static struct qcom_icc_node xs_sys_tcu_cfg = {
+ .name = "xs_sys_tcu_cfg",
+ .id = SM7150_SLAVE_TCU,
+ .channels = 1,
+ .buswidth = 8,
+};
+
+static struct qcom_icc_bcm bcm_acv = {
+ .name = "ACV",
+ .enable_mask = BIT(3),
+ .keepalive = false,
+ .num_nodes = 1,
+ .nodes = { &ebi },
+};
+
+static struct qcom_icc_bcm bcm_mc0 = {
+ .name = "MC0",
+ .keepalive = true,
+ .num_nodes = 1,
+ .nodes = { &ebi },
+};
+
+static struct qcom_icc_bcm bcm_sh0 = {
+ .name = "SH0",
+ .keepalive = true,
+ .num_nodes = 1,
+ .nodes = { &qns_llcc },
+};
+
+static struct qcom_icc_bcm bcm_mm0 = {
+ .name = "MM0",
+ .keepalive = true,
+ .num_nodes = 1,
+ .nodes = { &qns_mem_noc_hf },
+};
+
+static struct qcom_icc_bcm bcm_mm1 = {
+ .name = "MM1",
+ .keepalive = true,
+ .num_nodes = 8,
+ .nodes = { &qxm_camnoc_hf0_uncomp,
+ &qxm_camnoc_rt_uncomp,
+ &qxm_camnoc_sf_uncomp,
+ &qxm_camnoc_nrt_uncomp,
+ &qxm_camnoc_hf,
+ &qxm_camnoc_rt,
+ &qxm_mdp0,
+ &qxm_mdp1
+ },
+};
+
+static struct qcom_icc_bcm bcm_sh2 = {
+ .name = "SH2",
+ .keepalive = false,
+ .num_nodes = 1,
+ .nodes = { &qns_gem_noc_snoc },
+};
+
+static struct qcom_icc_bcm bcm_sh3 = {
+ .name = "SH3",
+ .keepalive = false,
+ .num_nodes = 1,
+ .nodes = { &acm_sys_tcu },
+};
+
+static struct qcom_icc_bcm bcm_mm2 = {
+ .name = "MM2",
+ .keepalive = false,
+ .num_nodes = 2,
+ .nodes = { &qxm_camnoc_nrt,
+ &qns2_mem_noc
+ },
+};
+
+static struct qcom_icc_bcm bcm_mm3 = {
+ .name = "MM3",
+ .keepalive = false,
+ .num_nodes = 5,
+ .nodes = { &qxm_camnoc_sf,
+ &qxm_rot,
+ &qxm_venus0,
+ &qxm_venus1,
+ &qxm_venus_arm9
+ },
+};
+
+static struct qcom_icc_bcm bcm_sh5 = {
+ .name = "SH5",
+ .keepalive = false,
+ .num_nodes = 1,
+ .nodes = { &acm_apps },
+};
+
+static struct qcom_icc_bcm bcm_sn0 = {
+ .name = "SN0",
+ .keepalive = true,
+ .num_nodes = 1,
+ .nodes = { &qns_gemnoc_sf },
+};
+
+static struct qcom_icc_bcm bcm_sh8 = {
+ .name = "SH8",
+ .keepalive = false,
+ .num_nodes = 1,
+ .nodes = { &qns_cdsp_gemnoc },
+};
+
+static struct qcom_icc_bcm bcm_sh10 = {
+ .name = "SH10",
+ .keepalive = false,
+ .num_nodes = 1,
+ .nodes = { &qnm_npu },
+};
+
+static struct qcom_icc_bcm bcm_ce0 = {
+ .name = "CE0",
+ .keepalive = false,
+ .num_nodes = 1,
+ .nodes = { &qxm_crypto },
+};
+
+static struct qcom_icc_bcm bcm_cn0 = {
+ .name = "CN0",
+ .keepalive = true,
+ .num_nodes = 54,
+ .nodes = { &qhm_tsif,
+ &xm_emmc,
+ &xm_sdc2,
+ &xm_sdc4,
+ &qhm_spdm,
+ &qnm_snoc,
+ &qhs_a1_noc_cfg,
+ &qhs_a2_noc_cfg,
+ &qhs_ahb2phy_north,
+ &qhs_ahb2phy_south,
+ &qhs_ahb2phy_west,
+ &qhs_aop,
+ &qhs_aoss,
+ &qhs_camera_cfg,
+ &qhs_camera_nrt_thrott_cfg,
+ &qhs_camera_rt_throttle_cfg,
+ &qhs_clk_ctl,
+ &qhs_compute_dsp_cfg,
+ &qhs_cpr_cx,
+ &qhs_cpr_mx,
+ &qhs_crypto0_cfg,
+ &qhs_ddrss_cfg,
+ &qhs_display_cfg,
+ &qhs_display_throttle_cfg,
+ &qhs_emmc_cfg,
+ &qhs_glm,
+ &qhs_gpuss_cfg,
+ &qhs_imem_cfg,
+ &qhs_ipa,
+ &qhs_mnoc_cfg,
+ &qhs_pcie_cfg,
+ &qhs_pdm,
+ &qhs_pimem_cfg,
+ &qhs_prng,
+ &qhs_qdss_cfg,
+ &qhs_qupv3_center,
+ &qhs_qupv3_north,
+ &qhs_sdc2,
+ &qhs_sdc4,
+ &qhs_snoc_cfg,
+ &qhs_spdm,
+ &qhs_tcsr,
+ &qhs_tlmm_north,
+ &qhs_tlmm_south,
+ &qhs_tlmm_west,
+ &qhs_tsif,
+ &qhs_ufs_mem_cfg,
+ &qhs_usb3_0,
+ &qhs_venus_cfg,
+ &qhs_venus_cvp_throttle_cfg,
+ &qhs_venus_throttle_cfg,
+ &qhs_vsense_ctrl_cfg,
+ &qns_cnoc_a2noc,
+ &srvc_cnoc
+ },
+};
+
+static struct qcom_icc_bcm bcm_qup0 = {
+ .name = "QUP0",
+ .keepalive = false,
+ .num_nodes = 2,
+ .nodes = { &qhm_qup_center,
+ &qhm_qup_north
+ },
+};
+
+static struct qcom_icc_bcm bcm_sn1 = {
+ .name = "SN1",
+ .keepalive = false,
+ .num_nodes = 1,
+ .nodes = { &qxs_imem },
+};
+
+static struct qcom_icc_bcm bcm_sn2 = {
+ .name = "SN2",
+ .keepalive = false,
+ .num_nodes = 1,
+ .nodes = { &qns_gemnoc_gc },
+};
+
+static struct qcom_icc_bcm bcm_sn4 = {
+ .name = "SN4",
+ .keepalive = false,
+ .num_nodes = 1,
+ .nodes = { &qxs_pimem },
+};
+
+static struct qcom_icc_bcm bcm_sn9 = {
+ .name = "SN9",
+ .keepalive = false,
+ .num_nodes = 2,
+ .nodes = { &qnm_aggre1_noc,
+ &qns_a1noc_snoc
+ },
+};
+
+static struct qcom_icc_bcm bcm_sn11 = {
+ .name = "SN11",
+ .keepalive = false,
+ .num_nodes = 2,
+ .nodes = { &qnm_aggre2_noc,
+ &qns_a2noc_snoc
+ },
+};
+
+static struct qcom_icc_bcm bcm_sn12 = {
+ .name = "SN12",
+ .keepalive = false,
+ .num_nodes = 2,
+ .nodes = { &qxm_pimem,
+ &xm_gic
+ },
+};
+
+static struct qcom_icc_bcm bcm_sn14 = {
+ .name = "SN14",
+ .keepalive = false,
+ .num_nodes = 1,
+ .nodes = { &qns_pcie_gemnoc },
+};
+
+static struct qcom_icc_bcm bcm_sn15 = {
+ .name = "SN15",
+ .keepalive = false,
+ .num_nodes = 1,
+ .nodes = { &qnm_gemnoc },
+};
+
+static struct qcom_icc_bcm * const aggre1_noc_bcms[] = {
+ &bcm_cn0,
+ &bcm_qup0,
+ &bcm_sn9,
+};
+
+static struct qcom_icc_node * const aggre1_noc_nodes[] = {
+ [MASTER_A1NOC_CFG] = &qhm_a1noc_cfg,
+ [MASTER_QUP_0] = &qhm_qup_center,
+ [MASTER_TSIF] = &qhm_tsif,
+ [MASTER_EMMC] = &xm_emmc,
+ [MASTER_SDCC_2] = &xm_sdc2,
+ [MASTER_SDCC_4] = &xm_sdc4,
+ [MASTER_UFS_MEM] = &xm_ufs_mem,
+ [A1NOC_SNOC_SLV] = &qns_a1noc_snoc,
+ [SLAVE_SERVICE_A1NOC] = &srvc_aggre1_noc,
+};
+
+static const struct qcom_icc_desc sm7150_aggre1_noc = {
+ .nodes = aggre1_noc_nodes,
+ .num_nodes = ARRAY_SIZE(aggre1_noc_nodes),
+ .bcms = aggre1_noc_bcms,
+ .num_bcms = ARRAY_SIZE(aggre1_noc_bcms),
+};
+
+static struct qcom_icc_bcm * const aggre2_noc_bcms[] = {
+ &bcm_ce0,
+ &bcm_qup0,
+ &bcm_sn11,
+ &bcm_sn14,
+};
+
+static struct qcom_icc_node * const aggre2_noc_nodes[] = {
+ [MASTER_A2NOC_CFG] = &qhm_a2noc_cfg,
+ [MASTER_QDSS_BAM] = &qhm_qdss_bam,
+ [MASTER_QUP_1] = &qhm_qup_north,
+ [MASTER_CNOC_A2NOC] = &qnm_cnoc,
+ [MASTER_CRYPTO_CORE_0] = &qxm_crypto,
+ [MASTER_IPA] = &qxm_ipa,
+ [MASTER_PCIE] = &xm_pcie3_0,
+ [MASTER_QDSS_ETR] = &xm_qdss_etr,
+ [MASTER_USB3] = &xm_usb3_0,
+ [A2NOC_SNOC_SLV] = &qns_a2noc_snoc,
+ [SLAVE_ANOC_PCIE_GEM_NOC] = &qns_pcie_gemnoc,
+ [SLAVE_SERVICE_A2NOC] = &srvc_aggre2_noc,
+};
+
+static const struct qcom_icc_desc sm7150_aggre2_noc = {
+ .nodes = aggre2_noc_nodes,
+ .num_nodes = ARRAY_SIZE(aggre2_noc_nodes),
+ .bcms = aggre2_noc_bcms,
+ .num_bcms = ARRAY_SIZE(aggre2_noc_bcms),
+};
+
+static struct qcom_icc_bcm * const camnoc_virt_bcms[] = {
+ &bcm_mm1,
+};
+
+static struct qcom_icc_node * const camnoc_virt_nodes[] = {
+ [MASTER_CAMNOC_HF0_UNCOMP] = &qxm_camnoc_hf0_uncomp,
+ [MASTER_CAMNOC_RT_UNCOMP] = &qxm_camnoc_rt_uncomp,
+ [MASTER_CAMNOC_SF_UNCOMP] = &qxm_camnoc_sf_uncomp,
+ [MASTER_CAMNOC_NRT_UNCOMP] = &qxm_camnoc_nrt_uncomp,
+ [SLAVE_CAMNOC_UNCOMP] = &qns_camnoc_uncomp,
+};
+
+static const struct qcom_icc_desc sm7150_camnoc_virt = {
+ .nodes = camnoc_virt_nodes,
+ .num_nodes = ARRAY_SIZE(camnoc_virt_nodes),
+ .bcms = camnoc_virt_bcms,
+ .num_bcms = ARRAY_SIZE(camnoc_virt_bcms),
+};
+
+static struct qcom_icc_bcm * const compute_noc_bcms[] = {
+ &bcm_sh10,
+ &bcm_sh8,
+};
+
+static struct qcom_icc_node * const compute_noc_nodes[] = {
+ [MASTER_NPU] = &qnm_npu,
+ [SLAVE_CDSP_GEM_NOC] = &qns_cdsp_gemnoc,
+};
+
+static const struct qcom_icc_desc sm7150_compute_noc = {
+ .nodes = compute_noc_nodes,
+ .num_nodes = ARRAY_SIZE(compute_noc_nodes),
+ .bcms = compute_noc_bcms,
+ .num_bcms = ARRAY_SIZE(compute_noc_bcms),
+};
+
+static struct qcom_icc_bcm * const config_noc_bcms[] = {
+ &bcm_cn0,
+};
+
+static struct qcom_icc_node * const config_noc_nodes[] = {
+ [MASTER_SPDM] = &qhm_spdm,
+ [SNOC_CNOC_MAS] = &qnm_snoc,
+ [MASTER_QDSS_DAP] = &xm_qdss_dap,
+ [SLAVE_A1NOC_CFG] = &qhs_a1_noc_cfg,
+ [SLAVE_A2NOC_CFG] = &qhs_a2_noc_cfg,
+ [SLAVE_AHB2PHY_NORTH] = &qhs_ahb2phy_north,
+ [SLAVE_AHB2PHY_SOUTH] = &qhs_ahb2phy_south,
+ [SLAVE_AHB2PHY_WEST] = &qhs_ahb2phy_west,
+ [SLAVE_AOP] = &qhs_aop,
+ [SLAVE_AOSS] = &qhs_aoss,
+ [SLAVE_CAMERA_CFG] = &qhs_camera_cfg,
+ [SLAVE_CAMERA_NRT_THROTTLE_CFG] = &qhs_camera_nrt_thrott_cfg,
+ [SLAVE_CAMERA_RT_THROTTLE_CFG] = &qhs_camera_rt_throttle_cfg,
+ [SLAVE_CLK_CTL] = &qhs_clk_ctl,
+ [SLAVE_CDSP_CFG] = &qhs_compute_dsp_cfg,
+ [SLAVE_RBCPR_CX_CFG] = &qhs_cpr_cx,
+ [SLAVE_RBCPR_MX_CFG] = &qhs_cpr_mx,
+ [SLAVE_CRYPTO_0_CFG] = &qhs_crypto0_cfg,
+ [SLAVE_CNOC_DDRSS] = &qhs_ddrss_cfg,
+ [SLAVE_DISPLAY_CFG] = &qhs_display_cfg,
+ [SLAVE_DISPLAY_THROTTLE_CFG] = &qhs_display_throttle_cfg,
+ [SLAVE_EMMC_CFG] = &qhs_emmc_cfg,
+ [SLAVE_GLM] = &qhs_glm,
+ [SLAVE_GRAPHICS_3D_CFG] = &qhs_gpuss_cfg,
+ [SLAVE_IMEM_CFG] = &qhs_imem_cfg,
+ [SLAVE_IPA_CFG] = &qhs_ipa,
+ [SLAVE_CNOC_MNOC_CFG] = &qhs_mnoc_cfg,
+ [SLAVE_PCIE_CFG] = &qhs_pcie_cfg,
+ [SLAVE_PDM] = &qhs_pdm,
+ [SLAVE_PIMEM_CFG] = &qhs_pimem_cfg,
+ [SLAVE_PRNG] = &qhs_prng,
+ [SLAVE_QDSS_CFG] = &qhs_qdss_cfg,
+ [SLAVE_QUP_0] = &qhs_qupv3_center,
+ [SLAVE_QUP_1] = &qhs_qupv3_north,
+ [SLAVE_SDCC_2] = &qhs_sdc2,
+ [SLAVE_SDCC_4] = &qhs_sdc4,
+ [SLAVE_SNOC_CFG] = &qhs_snoc_cfg,
+ [SLAVE_SPDM_WRAPPER] = &qhs_spdm,
+ [SLAVE_TCSR] = &qhs_tcsr,
+ [SLAVE_TLMM_NORTH] = &qhs_tlmm_north,
+ [SLAVE_TLMM_SOUTH] = &qhs_tlmm_south,
+ [SLAVE_TLMM_WEST] = &qhs_tlmm_west,
+ [SLAVE_TSIF] = &qhs_tsif,
+ [SLAVE_UFS_MEM_CFG] = &qhs_ufs_mem_cfg,
+ [SLAVE_USB3] = &qhs_usb3_0,
+ [SLAVE_VENUS_CFG] = &qhs_venus_cfg,
+ [SLAVE_VENUS_CVP_THROTTLE_CFG] = &qhs_venus_cvp_throttle_cfg,
+ [SLAVE_VENUS_THROTTLE_CFG] = &qhs_venus_throttle_cfg,
+ [SLAVE_VSENSE_CTRL_CFG] = &qhs_vsense_ctrl_cfg,
+ [SLAVE_CNOC_A2NOC] = &qns_cnoc_a2noc,
+ [SLAVE_SERVICE_CNOC] = &srvc_cnoc,
+};
+
+static const struct qcom_icc_desc sm7150_config_noc = {
+ .nodes = config_noc_nodes,
+ .num_nodes = ARRAY_SIZE(config_noc_nodes),
+ .bcms = config_noc_bcms,
+ .num_bcms = ARRAY_SIZE(config_noc_bcms),
+};
+
+static struct qcom_icc_bcm * const dc_noc_bcms[] = {
+};
+
+static struct qcom_icc_node * const dc_noc_nodes[] = {
+ [MASTER_CNOC_DC_NOC] = &qhm_cnoc_dc_noc,
+ [SLAVE_GEM_NOC_CFG] = &qhs_gemnoc,
+ [SLAVE_LLCC_CFG] = &qhs_llcc,
+};
+
+static const struct qcom_icc_desc sm7150_dc_noc = {
+ .nodes = dc_noc_nodes,
+ .num_nodes = ARRAY_SIZE(dc_noc_nodes),
+ .bcms = dc_noc_bcms,
+ .num_bcms = ARRAY_SIZE(dc_noc_bcms),
+};
+
+static struct qcom_icc_bcm * const gem_noc_bcms[] = {
+ &bcm_sh0,
+ &bcm_sh2,
+ &bcm_sh3,
+ &bcm_sh5,
+};
+
+static struct qcom_icc_node * const gem_noc_nodes[] = {
+ [MASTER_AMPSS_M0] = &acm_apps,
+ [MASTER_SYS_TCU] = &acm_sys_tcu,
+ [MASTER_GEM_NOC_CFG] = &qhm_gemnoc_cfg,
+ [MASTER_COMPUTE_NOC] = &qnm_cmpnoc,
+ [MASTER_MNOC_HF_MEM_NOC] = &qnm_mnoc_hf,
+ [MASTER_MNOC_SF_MEM_NOC] = &qnm_mnoc_sf,
+ [MASTER_GEM_NOC_PCIE_SNOC] = &qnm_pcie,
+ [MASTER_SNOC_GC_MEM_NOC] = &qnm_snoc_gc,
+ [MASTER_SNOC_SF_MEM_NOC] = &qnm_snoc_sf,
+ [MASTER_GRAPHICS_3D] = &qxm_gpu,
+ [SLAVE_MSS_PROC_MS_MPU_CFG] = &qhs_mdsp_ms_mpu_cfg,
+ [SLAVE_GEM_NOC_SNOC] = &qns_gem_noc_snoc,
+ [SLAVE_LLCC] = &qns_llcc,
+ [SLAVE_SERVICE_GEM_NOC] = &srvc_gemnoc,
+};
+
+static const struct qcom_icc_desc sm7150_gem_noc = {
+ .nodes = gem_noc_nodes,
+ .num_nodes = ARRAY_SIZE(gem_noc_nodes),
+ .bcms = gem_noc_bcms,
+ .num_bcms = ARRAY_SIZE(gem_noc_bcms),
+};
+
+static struct qcom_icc_bcm * const mc_virt_bcms[] = {
+ &bcm_acv,
+ &bcm_mc0,
+};
+
+static struct qcom_icc_node * const mc_virt_nodes[] = {
+ [MASTER_LLCC] = &llcc_mc,
+ [SLAVE_EBI_CH0] = &ebi,
+};
+
+static const struct qcom_icc_desc sm7150_mc_virt = {
+ .nodes = mc_virt_nodes,
+ .num_nodes = ARRAY_SIZE(mc_virt_nodes),
+ .bcms = mc_virt_bcms,
+ .num_bcms = ARRAY_SIZE(mc_virt_bcms),
+};
+
+static struct qcom_icc_bcm * const mmss_noc_bcms[] = {
+ &bcm_mm0,
+ &bcm_mm1,
+ &bcm_mm2,
+ &bcm_mm3,
+};
+
+static struct qcom_icc_node * const mmss_noc_nodes[] = {
+ [MASTER_CNOC_MNOC_CFG] = &qhm_mnoc_cfg,
+ [MASTER_CAMNOC_HF0] = &qxm_camnoc_hf,
+ [MASTER_CAMNOC_NRT] = &qxm_camnoc_nrt,
+ [MASTER_CAMNOC_RT] = &qxm_camnoc_rt,
+ [MASTER_CAMNOC_SF] = &qxm_camnoc_sf,
+ [MASTER_MDP_PORT0] = &qxm_mdp0,
+ [MASTER_MDP_PORT1] = &qxm_mdp1,
+ [MASTER_ROTATOR] = &qxm_rot,
+ [MASTER_VIDEO_P0] = &qxm_venus0,
+ [MASTER_VIDEO_P1] = &qxm_venus1,
+ [MASTER_VIDEO_PROC] = &qxm_venus_arm9,
+ [SLAVE_MNOC_SF_MEM_NOC] = &qns2_mem_noc,
+ [SLAVE_MNOC_HF_MEM_NOC] = &qns_mem_noc_hf,
+ [SLAVE_SERVICE_MNOC] = &srvc_mnoc,
+};
+
+static const struct qcom_icc_desc sm7150_mmss_noc = {
+ .nodes = mmss_noc_nodes,
+ .num_nodes = ARRAY_SIZE(mmss_noc_nodes),
+ .bcms = mmss_noc_bcms,
+ .num_bcms = ARRAY_SIZE(mmss_noc_bcms),
+};
+
+static struct qcom_icc_bcm * const system_noc_bcms[] = {
+ &bcm_sn0,
+ &bcm_sn1,
+ &bcm_sn11,
+ &bcm_sn12,
+ &bcm_sn15,
+ &bcm_sn2,
+ &bcm_sn4,
+ &bcm_sn9,
+};
+
+static struct qcom_icc_node * const system_noc_nodes[] = {
+ [MASTER_SNOC_CFG] = &qhm_snoc_cfg,
+ [A1NOC_SNOC_MAS] = &qnm_aggre1_noc,
+ [A2NOC_SNOC_MAS] = &qnm_aggre2_noc,
+ [MASTER_GEM_NOC_SNOC] = &qnm_gemnoc,
+ [MASTER_PIMEM] = &qxm_pimem,
+ [MASTER_GIC] = &xm_gic,
+ [SLAVE_APPSS] = &qhs_apss,
+ [SNOC_CNOC_SLV] = &qns_cnoc,
+ [SLAVE_SNOC_GEM_NOC_GC] = &qns_gemnoc_gc,
+ [SLAVE_SNOC_GEM_NOC_SF] = &qns_gemnoc_sf,
+ [SLAVE_OCIMEM] = &qxs_imem,
+ [SLAVE_PIMEM] = &qxs_pimem,
+ [SLAVE_SERVICE_SNOC] = &srvc_snoc,
+ [SLAVE_QDSS_STM] = &xs_qdss_stm,
+ [SLAVE_TCU] = &xs_sys_tcu_cfg,
+};
+
+static const struct qcom_icc_desc sm7150_system_noc = {
+ .nodes = system_noc_nodes,
+ .num_nodes = ARRAY_SIZE(system_noc_nodes),
+ .bcms = system_noc_bcms,
+ .num_bcms = ARRAY_SIZE(system_noc_bcms),
+};
+
+static const struct of_device_id qnoc_of_match[] = {
+ { .compatible = "qcom,sm7150-aggre1-noc", .data = &sm7150_aggre1_noc },
+ { .compatible = "qcom,sm7150-aggre2-noc", .data = &sm7150_aggre2_noc },
+ { .compatible = "qcom,sm7150-camnoc-virt", .data = &sm7150_camnoc_virt },
+ { .compatible = "qcom,sm7150-compute-noc", .data = &sm7150_compute_noc },
+ { .compatible = "qcom,sm7150-config-noc", .data = &sm7150_config_noc },
+ { .compatible = "qcom,sm7150-dc-noc", .data = &sm7150_dc_noc },
+ { .compatible = "qcom,sm7150-gem-noc", .data = &sm7150_gem_noc },
+ { .compatible = "qcom,sm7150-mc-virt", .data = &sm7150_mc_virt },
+ { .compatible = "qcom,sm7150-mmss-noc", .data = &sm7150_mmss_noc },
+ { .compatible = "qcom,sm7150-system-noc", .data = &sm7150_system_noc },
+ { }
+};
+MODULE_DEVICE_TABLE(of, qnoc_of_match);
+
+static struct platform_driver qnoc_driver = {
+ .probe = qcom_icc_rpmh_probe,
+ .remove_new = qcom_icc_rpmh_remove,
+ .driver = {
+ .name = "qnoc-sm7150",
+ .of_match_table = qnoc_of_match,
+ .sync_state = icc_sync_state,
+ },
+};
+
+static int __init qnoc_driver_init(void)
+{
+ return platform_driver_register(&qnoc_driver);
+}
+core_initcall(qnoc_driver_init);
+
+static void __exit qnoc_driver_exit(void)
+{
+ platform_driver_unregister(&qnoc_driver);
+}
+module_exit(qnoc_driver_exit);
+
+MODULE_DESCRIPTION("Qualcomm SM7150 NoC driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/interconnect/qcom/sm7150.h b/drivers/interconnect/qcom/sm7150.h
new file mode 100644
index 0000000000000..e00a9b0c12793
--- /dev/null
+++ b/drivers/interconnect/qcom/sm7150.h
@@ -0,0 +1,140 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Qualcomm #define SM7150 interconnect IDs
+ *
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2024, Danila Tikhonov <danila@jiaxyga.com>
+ */
+
+#ifndef __DRIVERS_INTERCONNECT_QCOM_SM7150_H
+#define __DRIVERS_INTERCONNECT_QCOM_SM7150_H
+
+#define SM7150_A1NOC_SNOC_MAS 0
+#define SM7150_A1NOC_SNOC_SLV 1
+#define SM7150_A2NOC_SNOC_MAS 2
+#define SM7150_A2NOC_SNOC_SLV 3
+#define SM7150_MASTER_A1NOC_CFG 4
+#define SM7150_MASTER_A2NOC_CFG 5
+#define SM7150_MASTER_AMPSS_M0 6
+#define SM7150_MASTER_CAMNOC_HF0 7
+#define SM7150_MASTER_CAMNOC_HF0_UNCOMP 8
+#define SM7150_MASTER_CAMNOC_NRT 9
+#define SM7150_MASTER_CAMNOC_NRT_UNCOMP 10
+#define SM7150_MASTER_CAMNOC_RT 11
+#define SM7150_MASTER_CAMNOC_RT_UNCOMP 12
+#define SM7150_MASTER_CAMNOC_SF 13
+#define SM7150_MASTER_CAMNOC_SF_UNCOMP 14
+#define SM7150_MASTER_CNOC_A2NOC 15
+#define SM7150_MASTER_CNOC_DC_NOC 16
+#define SM7150_MASTER_CNOC_MNOC_CFG 17
+#define SM7150_MASTER_COMPUTE_NOC 18
+#define SM7150_MASTER_CRYPTO_CORE_0 19
+#define SM7150_MASTER_EMMC 20
+#define SM7150_MASTER_GEM_NOC_CFG 21
+#define SM7150_MASTER_GEM_NOC_PCIE_SNOC 22
+#define SM7150_MASTER_GEM_NOC_SNOC 23
+#define SM7150_MASTER_GIC 24
+#define SM7150_MASTER_GRAPHICS_3D 25
+#define SM7150_MASTER_IPA 26
+#define SM7150_MASTER_LLCC 27
+#define SM7150_MASTER_MDP_PORT0 28
+#define SM7150_MASTER_MDP_PORT1 29
+#define SM7150_MASTER_MNOC_HF_MEM_NOC 30
+#define SM7150_MASTER_MNOC_SF_MEM_NOC 31
+#define SM7150_MASTER_NPU 32
+#define SM7150_MASTER_PCIE 33
+#define SM7150_MASTER_PIMEM 34
+#define SM7150_MASTER_QDSS_BAM 35
+#define SM7150_MASTER_QDSS_DAP 36
+#define SM7150_MASTER_QDSS_ETR 37
+#define SM7150_MASTER_QUP_0 38
+#define SM7150_MASTER_QUP_1 39
+#define SM7150_MASTER_ROTATOR 40
+#define SM7150_MASTER_SDCC_2 41
+#define SM7150_MASTER_SDCC_4 42
+#define SM7150_MASTER_SNOC_CFG 43
+#define SM7150_MASTER_SNOC_GC_MEM_NOC 44
+#define SM7150_MASTER_SNOC_SF_MEM_NOC 45
+#define SM7150_MASTER_SPDM 46
+#define SM7150_MASTER_SYS_TCU 47
+#define SM7150_MASTER_TSIF 48
+#define SM7150_MASTER_UFS_MEM 49
+#define SM7150_MASTER_USB3 50
+#define SM7150_MASTER_VIDEO_P0 51
+#define SM7150_MASTER_VIDEO_P1 52
+#define SM7150_MASTER_VIDEO_PROC 53
+#define SM7150_SLAVE_A1NOC_CFG 54
+#define SM7150_SLAVE_A2NOC_CFG 55
+#define SM7150_SLAVE_AHB2PHY_NORTH 56
+#define SM7150_SLAVE_AHB2PHY_SOUTH 57
+#define SM7150_SLAVE_AHB2PHY_WEST 58
+#define SM7150_SLAVE_ANOC_PCIE_GEM_NOC 59
+#define SM7150_SLAVE_AOP 60
+#define SM7150_SLAVE_AOSS 61
+#define SM7150_SLAVE_APPSS 62
+#define SM7150_SLAVE_CAMERA_CFG 63
+#define SM7150_SLAVE_CAMERA_NRT_THROTTLE_CFG 64
+#define SM7150_SLAVE_CAMERA_RT_THROTTLE_CFG 65
+#define SM7150_SLAVE_CAMNOC_UNCOMP 66
+#define SM7150_SLAVE_CDSP_CFG 67
+#define SM7150_SLAVE_CDSP_GEM_NOC 68
+#define SM7150_SLAVE_CLK_CTL 69
+#define SM7150_SLAVE_CNOC_A2NOC 70
+#define SM7150_SLAVE_CNOC_DDRSS 71
+#define SM7150_SLAVE_CNOC_MNOC_CFG 72
+#define SM7150_SLAVE_CRYPTO_0_CFG 73
+#define SM7150_SLAVE_DISPLAY_CFG 74
+#define SM7150_SLAVE_DISPLAY_THROTTLE_CFG 75
+#define SM7150_SLAVE_EBI_CH0 76
+#define SM7150_SLAVE_EMMC_CFG 77
+#define SM7150_SLAVE_GEM_NOC_CFG 78
+#define SM7150_SLAVE_GEM_NOC_SNOC 79
+#define SM7150_SLAVE_GLM 80
+#define SM7150_SLAVE_GRAPHICS_3D_CFG 81
+#define SM7150_SLAVE_IMEM_CFG 82
+#define SM7150_SLAVE_IPA_CFG 83
+#define SM7150_SLAVE_LLCC 84
+#define SM7150_SLAVE_LLCC_CFG 85
+#define SM7150_SLAVE_MNOC_HF_MEM_NOC 86
+#define SM7150_SLAVE_MNOC_SF_MEM_NOC 87
+#define SM7150_SLAVE_MSS_PROC_MS_MPU_CFG 88
+#define SM7150_SLAVE_OCIMEM 89
+#define SM7150_SLAVE_PCIE_CFG 90
+#define SM7150_SLAVE_PDM 91
+#define SM7150_SLAVE_PIMEM 92
+#define SM7150_SLAVE_PIMEM_CFG 93
+#define SM7150_SLAVE_PRNG 94
+#define SM7150_SLAVE_QDSS_CFG 95
+#define SM7150_SLAVE_QDSS_STM 96
+#define SM7150_SLAVE_QUP_0 97
+#define SM7150_SLAVE_QUP_1 98
+#define SM7150_SLAVE_RBCPR_CX_CFG 99
+#define SM7150_SLAVE_RBCPR_MX_CFG 100
+#define SM7150_SLAVE_SDCC_2 101
+#define SM7150_SLAVE_SDCC_4 102
+#define SM7150_SLAVE_SERVICE_A1NOC 103
+#define SM7150_SLAVE_SERVICE_A2NOC 104
+#define SM7150_SLAVE_SERVICE_CNOC 105
+#define SM7150_SLAVE_SERVICE_GEM_NOC 106
+#define SM7150_SLAVE_SERVICE_MNOC 107
+#define SM7150_SLAVE_SERVICE_SNOC 108
+#define SM7150_SLAVE_SNOC_CFG 109
+#define SM7150_SLAVE_SNOC_GEM_NOC_GC 110
+#define SM7150_SLAVE_SNOC_GEM_NOC_SF 111
+#define SM7150_SLAVE_SPDM_WRAPPER 112
+#define SM7150_SLAVE_TCSR 113
+#define SM7150_SLAVE_TCU 114
+#define SM7150_SLAVE_TLMM_NORTH 115
+#define SM7150_SLAVE_TLMM_SOUTH 116
+#define SM7150_SLAVE_TLMM_WEST 117
+#define SM7150_SLAVE_TSIF 118
+#define SM7150_SLAVE_UFS_MEM_CFG 119
+#define SM7150_SLAVE_USB3 120
+#define SM7150_SLAVE_VENUS_CFG 121
+#define SM7150_SLAVE_VENUS_CVP_THROTTLE_CFG 122
+#define SM7150_SLAVE_VENUS_THROTTLE_CFG 123
+#define SM7150_SLAVE_VSENSE_CTRL_CFG 124
+#define SM7150_SNOC_CNOC_MAS 125
+#define SM7150_SNOC_CNOC_SLV 126
+
+#endif
--
GitLab
From f4282a4303dc7eada2543ea9b87e2b9bdec9344b Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:04:16 +0100
Subject: [PATCH 0745/2686] rtc: ds1511: drop useless checks
The RTC core will always pass a valid rtc_tm, it is unnecessary to check
the validity of its members, especially with an open coded version of
rtc_valid_tm().
Link: https://lore.kernel.org/r/20240227230431.1837717-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 1109cad838384..87c52d20d31a2 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -182,9 +182,6 @@ static int ds1511_rtc_set_time(struct device *dev, struct rtc_time *rtc_tm)
if (rtc_tm->tm_year < 1900)
rtc_tm->tm_year += 1900;
- if (rtc_tm->tm_year < 1970)
- return -EINVAL;
-
yrs = rtc_tm->tm_year % 100;
cen = rtc_tm->tm_year / 100;
mon = rtc_tm->tm_mon + 1; /* tm_mon starts at zero */
@@ -194,15 +191,6 @@ static int ds1511_rtc_set_time(struct device *dev, struct rtc_time *rtc_tm)
min = rtc_tm->tm_min;
sec = rtc_tm->tm_sec;
- if ((mon > 12) || (day == 0))
- return -EINVAL;
-
- if (day > rtc_month_days(rtc_tm->tm_mon, rtc_tm->tm_year))
- return -EINVAL;
-
- if ((hrs >= 24) || (min >= 60) || (sec >= 60))
- return -EINVAL;
-
/*
* each register is a different number of valid bits
*/
--
GitLab
From 4e7a9e2ea2f1fc145a56dff998bc8215525b0a1e Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:04:17 +0100
Subject: [PATCH 0746/2686] rtc: ds1511: drop useless computation
All the callers of ds1511_rtc_set_time will use the same epoch for tm_year
which is defined as the number of years minus 1900 since POSIX.1-2001.
Link: https://lore.kernel.org/r/20240227230431.1837717-2-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 87c52d20d31a2..a646bcf9cd56e 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -166,24 +166,13 @@ ds1511_wdog_disable(void)
}
#endif
-/*
- * set the rtc chip's idea of the time.
- * stupidly, some callers call with year unmolested;
- * and some call with year = year - 1900. thanks.
- */
static int ds1511_rtc_set_time(struct device *dev, struct rtc_time *rtc_tm)
{
u8 mon, day, dow, hrs, min, sec, yrs, cen;
unsigned long flags;
- /*
- * won't have to change this for a while
- */
- if (rtc_tm->tm_year < 1900)
- rtc_tm->tm_year += 1900;
-
yrs = rtc_tm->tm_year % 100;
- cen = rtc_tm->tm_year / 100;
+ cen = 19 + rtc_tm->tm_year / 100;
mon = rtc_tm->tm_mon + 1; /* tm_mon starts at zero */
day = rtc_tm->tm_mday;
dow = rtc_tm->tm_wday & 0x7; /* automatic BCD */
--
GitLab
From 3f31f1729d56cb31c0d45f88e7ea0f6c749c0a92 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:04:18 +0100
Subject: [PATCH 0747/2686] rtc: ds1511: drop dead code
The watchdog part of the code is not reachable and should be reimplemented
properly as a watchdog driver.
Link: https://lore.kernel.org/r/20240227230431.1837717-3-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 44 ----------------------------------------
1 file changed, 44 deletions(-)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index a646bcf9cd56e..fe8dbad51c884 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -122,50 +122,6 @@ rtc_enable_update(void)
rtc_write((rtc_read(RTC_CMD) | RTC_TE), RTC_CMD);
}
-/*
- * #define DS1511_WDOG_RESET_SUPPORT
- *
- * Uncomment this if you want to use these routines in
- * some platform code.
- */
-#ifdef DS1511_WDOG_RESET_SUPPORT
-/*
- * just enough code to set the watchdog timer so that it
- * will reboot the system
- */
-void
-ds1511_wdog_set(unsigned long deciseconds)
-{
- /*
- * the wdog timer can take 99.99 seconds
- */
- deciseconds %= 10000;
- /*
- * set the wdog values in the wdog registers
- */
- rtc_write(bin2bcd(deciseconds % 100), DS1511_WD_MSEC);
- rtc_write(bin2bcd(deciseconds / 100), DS1511_WD_SEC);
- /*
- * set wdog enable and wdog 'steering' bit to issue a reset
- */
- rtc_write(rtc_read(RTC_CMD) | DS1511_WDE | DS1511_WDS, RTC_CMD);
-}
-
-void
-ds1511_wdog_disable(void)
-{
- /*
- * clear wdog enable and wdog 'steering' bits
- */
- rtc_write(rtc_read(RTC_CMD) & ~(DS1511_WDE | DS1511_WDS), RTC_CMD);
- /*
- * clear the wdog counter
- */
- rtc_write(0, DS1511_WD_MSEC);
- rtc_write(0, DS1511_WD_SEC);
-}
-#endif
-
static int ds1511_rtc_set_time(struct device *dev, struct rtc_time *rtc_tm)
{
u8 mon, day, dow, hrs, min, sec, yrs, cen;
--
GitLab
From 8f973799c3526545bdc9ecdfce675e6bb5b4c51a Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:04:19 +0100
Subject: [PATCH 0748/2686] rtc: ds1511: drop useless enum
Use regular defines for register offsets instead of the enum that doesn't
bring any benefit.
Link: https://lore.kernel.org/r/20240227230431.1837717-4-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 120 ++++++++++++++++-----------------------
1 file changed, 49 insertions(+), 71 deletions(-)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index fe8dbad51c884..8e57c1395cf33 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -22,26 +22,24 @@
#include <linux/io.h>
#include <linux/module.h>
-enum ds1511reg {
- DS1511_SEC = 0x0,
- DS1511_MIN = 0x1,
- DS1511_HOUR = 0x2,
- DS1511_DOW = 0x3,
- DS1511_DOM = 0x4,
- DS1511_MONTH = 0x5,
- DS1511_YEAR = 0x6,
- DS1511_CENTURY = 0x7,
- DS1511_AM1_SEC = 0x8,
- DS1511_AM2_MIN = 0x9,
- DS1511_AM3_HOUR = 0xa,
- DS1511_AM4_DATE = 0xb,
- DS1511_WD_MSEC = 0xc,
- DS1511_WD_SEC = 0xd,
- DS1511_CONTROL_A = 0xe,
- DS1511_CONTROL_B = 0xf,
- DS1511_RAMADDR_LSB = 0x10,
- DS1511_RAMDATA = 0x13
-};
+#define DS1511_SEC 0x0
+#define DS1511_MIN 0x1
+#define DS1511_HOUR 0x2
+#define DS1511_DOW 0x3
+#define DS1511_DOM 0x4
+#define DS1511_MONTH 0x5
+#define DS1511_YEAR 0x6
+#define DS1511_CENTURY 0x7
+#define DS1511_AM1_SEC 0x8
+#define DS1511_AM2_MIN 0x9
+#define DS1511_AM3_HOUR 0xa
+#define DS1511_AM4_DATE 0xb
+#define DS1511_WD_MSEC 0xc
+#define DS1511_WD_SEC 0xd
+#define DS1511_CONTROL_A 0xe
+#define DS1511_CONTROL_B 0xf
+#define DS1511_RAMADDR_LSB 0x10
+#define DS1511_RAMDATA 0x13
#define DS1511_BLF1 0x80
#define DS1511_BLF2 0x40
@@ -61,26 +59,6 @@ enum ds1511reg {
#define DS1511_WDS 0x01
#define DS1511_RAM_MAX 0x100
-#define RTC_CMD DS1511_CONTROL_B
-#define RTC_CMD1 DS1511_CONTROL_A
-
-#define RTC_ALARM_SEC DS1511_AM1_SEC
-#define RTC_ALARM_MIN DS1511_AM2_MIN
-#define RTC_ALARM_HOUR DS1511_AM3_HOUR
-#define RTC_ALARM_DATE DS1511_AM4_DATE
-
-#define RTC_SEC DS1511_SEC
-#define RTC_MIN DS1511_MIN
-#define RTC_HOUR DS1511_HOUR
-#define RTC_DOW DS1511_DOW
-#define RTC_DOM DS1511_DOM
-#define RTC_MON DS1511_MONTH
-#define RTC_YEAR DS1511_YEAR
-#define RTC_CENTURY DS1511_CENTURY
-
-#define RTC_TIE DS1511_TIE
-#define RTC_TE DS1511_TE
-
struct rtc_plat_data {
struct rtc_device *rtc;
void __iomem *ioaddr; /* virtual base address */
@@ -105,7 +83,7 @@ rtc_write(uint8_t val, uint32_t reg)
}
static noinline uint8_t
-rtc_read(enum ds1511reg reg)
+rtc_read(uint32_t reg)
{
return readb(ds1511_base + (reg * reg_spacing));
}
@@ -113,13 +91,13 @@ rtc_read(enum ds1511reg reg)
static inline void
rtc_disable_update(void)
{
- rtc_write((rtc_read(RTC_CMD) & ~RTC_TE), RTC_CMD);
+ rtc_write((rtc_read(DS1511_CONTROL_B) & ~DS1511_TE), DS1511_CONTROL_B);
}
static void
rtc_enable_update(void)
{
- rtc_write((rtc_read(RTC_CMD) | RTC_TE), RTC_CMD);
+ rtc_write((rtc_read(DS1511_CONTROL_B) | DS1511_TE), DS1511_CONTROL_B);
}
static int ds1511_rtc_set_time(struct device *dev, struct rtc_time *rtc_tm)
@@ -149,14 +127,14 @@ static int ds1511_rtc_set_time(struct device *dev, struct rtc_time *rtc_tm)
spin_lock_irqsave(&ds1511_lock, flags);
rtc_disable_update();
- rtc_write(cen, RTC_CENTURY);
- rtc_write(yrs, RTC_YEAR);
- rtc_write((rtc_read(RTC_MON) & 0xe0) | mon, RTC_MON);
- rtc_write(day, RTC_DOM);
- rtc_write(hrs, RTC_HOUR);
- rtc_write(min, RTC_MIN);
- rtc_write(sec, RTC_SEC);
- rtc_write(dow, RTC_DOW);
+ rtc_write(cen, DS1511_CENTURY);
+ rtc_write(yrs, DS1511_YEAR);
+ rtc_write((rtc_read(DS1511_MONTH) & 0xe0) | mon, DS1511_MONTH);
+ rtc_write(day, DS1511_DOM);
+ rtc_write(hrs, DS1511_HOUR);
+ rtc_write(min, DS1511_MIN);
+ rtc_write(sec, DS1511_SEC);
+ rtc_write(dow, DS1511_DOW);
rtc_enable_update();
spin_unlock_irqrestore(&ds1511_lock, flags);
@@ -171,14 +149,14 @@ static int ds1511_rtc_read_time(struct device *dev, struct rtc_time *rtc_tm)
spin_lock_irqsave(&ds1511_lock, flags);
rtc_disable_update();
- rtc_tm->tm_sec = rtc_read(RTC_SEC) & 0x7f;
- rtc_tm->tm_min = rtc_read(RTC_MIN) & 0x7f;
- rtc_tm->tm_hour = rtc_read(RTC_HOUR) & 0x3f;
- rtc_tm->tm_mday = rtc_read(RTC_DOM) & 0x3f;
- rtc_tm->tm_wday = rtc_read(RTC_DOW) & 0x7;
- rtc_tm->tm_mon = rtc_read(RTC_MON) & 0x1f;
- rtc_tm->tm_year = rtc_read(RTC_YEAR) & 0x7f;
- century = rtc_read(RTC_CENTURY);
+ rtc_tm->tm_sec = rtc_read(DS1511_SEC) & 0x7f;
+ rtc_tm->tm_min = rtc_read(DS1511_MIN) & 0x7f;
+ rtc_tm->tm_hour = rtc_read(DS1511_HOUR) & 0x3f;
+ rtc_tm->tm_mday = rtc_read(DS1511_DOM) & 0x3f;
+ rtc_tm->tm_wday = rtc_read(DS1511_DOW) & 0x7;
+ rtc_tm->tm_mon = rtc_read(DS1511_MONTH) & 0x1f;
+ rtc_tm->tm_year = rtc_read(DS1511_YEAR) & 0x7f;
+ century = rtc_read(DS1511_CENTURY);
rtc_enable_update();
spin_unlock_irqrestore(&ds1511_lock, flags);
@@ -220,18 +198,18 @@ ds1511_rtc_update_alarm(struct rtc_plat_data *pdata)
spin_lock_irqsave(&pdata->lock, flags);
rtc_write(pdata->alrm_mday < 0 || (pdata->irqen & RTC_UF) ?
0x80 : bin2bcd(pdata->alrm_mday) & 0x3f,
- RTC_ALARM_DATE);
+ DS1511_AM4_DATE);
rtc_write(pdata->alrm_hour < 0 || (pdata->irqen & RTC_UF) ?
0x80 : bin2bcd(pdata->alrm_hour) & 0x3f,
- RTC_ALARM_HOUR);
+ DS1511_AM3_HOUR);
rtc_write(pdata->alrm_min < 0 || (pdata->irqen & RTC_UF) ?
0x80 : bin2bcd(pdata->alrm_min) & 0x7f,
- RTC_ALARM_MIN);
+ DS1511_AM2_MIN);
rtc_write(pdata->alrm_sec < 0 || (pdata->irqen & RTC_UF) ?
0x80 : bin2bcd(pdata->alrm_sec) & 0x7f,
- RTC_ALARM_SEC);
- rtc_write(rtc_read(RTC_CMD) | (pdata->irqen ? RTC_TIE : 0), RTC_CMD);
- rtc_read(RTC_CMD1); /* clear interrupts */
+ DS1511_AM1_SEC);
+ rtc_write(rtc_read(DS1511_CONTROL_B) | (pdata->irqen ? DS1511_TIE : 0), DS1511_CONTROL_B);
+ rtc_read(DS1511_CONTROL_A); /* clear interrupts */
spin_unlock_irqrestore(&pdata->lock, flags);
}
@@ -281,9 +259,9 @@ ds1511_interrupt(int irq, void *dev_id)
/*
* read and clear interrupt
*/
- if (rtc_read(RTC_CMD1) & DS1511_IRQF) {
+ if (rtc_read(DS1511_CONTROL_A) & DS1511_IRQF) {
events = RTC_IRQF;
- if (rtc_read(RTC_ALARM_SEC) & 0x80)
+ if (rtc_read(DS1511_AM1_SEC) & 0x80)
events |= RTC_UF;
else
events |= RTC_AF;
@@ -366,8 +344,8 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
/*
* turn on the clock and the crystal, etc.
*/
- rtc_write(DS1511_BME, RTC_CMD);
- rtc_write(0, RTC_CMD1);
+ rtc_write(DS1511_BME, DS1511_CONTROL_B);
+ rtc_write(0, DS1511_CONTROL_A);
/*
* clear the wdog counter
*/
@@ -381,7 +359,7 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
/*
* check for a dying bat-tree
*/
- if (rtc_read(RTC_CMD1) & DS1511_BLF1)
+ if (rtc_read(DS1511_CONTROL_A) & DS1511_BLF1)
dev_warn(&pdev->dev, "voltage-low detected.\n");
spin_lock_init(&pdata->lock);
@@ -404,7 +382,7 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
* then by all means, set it
*/
if (pdata->irq > 0) {
- rtc_read(RTC_CMD1);
+ rtc_read(DS1511_CONTROL_A);
if (devm_request_irq(&pdev->dev, pdata->irq, ds1511_interrupt,
IRQF_SHARED, pdev->name, pdev) < 0) {
--
GitLab
From 22e1b2c7a4e81b33a88e6739787d823a630506bf Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:04:20 +0100
Subject: [PATCH 0749/2686] rtc: ds1511: fix function definition
Use proper style for function definition.
Link: https://lore.kernel.org/r/20240227230431.1837717-5-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 24 ++++++++----------------
1 file changed, 8 insertions(+), 16 deletions(-)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 8e57c1395cf33..1765f76dda58a 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -76,26 +76,22 @@ static DEFINE_SPINLOCK(ds1511_lock);
static __iomem char *ds1511_base;
static u32 reg_spacing = 1;
-static noinline void
-rtc_write(uint8_t val, uint32_t reg)
+static noinline void rtc_write(uint8_t val, uint32_t reg)
{
writeb(val, ds1511_base + (reg * reg_spacing));
}
-static noinline uint8_t
-rtc_read(uint32_t reg)
+static noinline uint8_t rtc_read(uint32_t reg)
{
return readb(ds1511_base + (reg * reg_spacing));
}
-static inline void
-rtc_disable_update(void)
+static inline void rtc_disable_update(void)
{
rtc_write((rtc_read(DS1511_CONTROL_B) & ~DS1511_TE), DS1511_CONTROL_B);
}
-static void
-rtc_enable_update(void)
+static void rtc_enable_update(void)
{
rtc_write((rtc_read(DS1511_CONTROL_B) | DS1511_TE), DS1511_CONTROL_B);
}
@@ -190,8 +186,7 @@ static int ds1511_rtc_read_time(struct device *dev, struct rtc_time *rtc_tm)
* date/hours/mins/secs matches. the ds1511 has many more
* permutations, but the kernel doesn't.
*/
-static void
-ds1511_rtc_update_alarm(struct rtc_plat_data *pdata)
+static void ds1511_rtc_update_alarm(struct rtc_plat_data *pdata)
{
unsigned long flags;
@@ -213,8 +208,7 @@ ds1511_rtc_update_alarm(struct rtc_plat_data *pdata)
spin_unlock_irqrestore(&pdata->lock, flags);
}
-static int
-ds1511_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+static int ds1511_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct rtc_plat_data *pdata = dev_get_drvdata(dev);
@@ -232,8 +226,7 @@ ds1511_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
return 0;
}
-static int
-ds1511_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+static int ds1511_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct rtc_plat_data *pdata = dev_get_drvdata(dev);
@@ -248,8 +241,7 @@ ds1511_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
return 0;
}
-static irqreturn_t
-ds1511_interrupt(int irq, void *dev_id)
+static irqreturn_t ds1511_interrupt(int irq, void *dev_id)
{
struct platform_device *pdev = dev_id;
struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
--
GitLab
From 6529ab38c8a57debc58dea483711b4bfec0c7b98 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:04:21 +0100
Subject: [PATCH 0750/2686] rtc: ds1511: remove incomplete UIE support
There is no way to enable UIE in the driver, drop RTC_UF support.
Link: https://lore.kernel.org/r/20240227230431.1837717-6-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 18 +++++-------------
1 file changed, 5 insertions(+), 13 deletions(-)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 1765f76dda58a..4ac8988d41244 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -191,17 +191,13 @@ static void ds1511_rtc_update_alarm(struct rtc_plat_data *pdata)
unsigned long flags;
spin_lock_irqsave(&pdata->lock, flags);
- rtc_write(pdata->alrm_mday < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : bin2bcd(pdata->alrm_mday) & 0x3f,
+ rtc_write(pdata->alrm_mday < 0 ? 0x80 : bin2bcd(pdata->alrm_mday) & 0x3f,
DS1511_AM4_DATE);
- rtc_write(pdata->alrm_hour < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : bin2bcd(pdata->alrm_hour) & 0x3f,
+ rtc_write(pdata->alrm_hour < 0 ? 0x80 : bin2bcd(pdata->alrm_hour) & 0x3f,
DS1511_AM3_HOUR);
- rtc_write(pdata->alrm_min < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : bin2bcd(pdata->alrm_min) & 0x7f,
+ rtc_write(pdata->alrm_min < 0 ? 0x80 : bin2bcd(pdata->alrm_min) & 0x7f,
DS1511_AM2_MIN);
- rtc_write(pdata->alrm_sec < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : bin2bcd(pdata->alrm_sec) & 0x7f,
+ rtc_write(pdata->alrm_sec < 0 ? 0x80 : bin2bcd(pdata->alrm_sec) & 0x7f,
DS1511_AM1_SEC);
rtc_write(rtc_read(DS1511_CONTROL_B) | (pdata->irqen ? DS1511_TIE : 0), DS1511_CONTROL_B);
rtc_read(DS1511_CONTROL_A); /* clear interrupts */
@@ -252,11 +248,7 @@ static irqreturn_t ds1511_interrupt(int irq, void *dev_id)
* read and clear interrupt
*/
if (rtc_read(DS1511_CONTROL_A) & DS1511_IRQF) {
- events = RTC_IRQF;
- if (rtc_read(DS1511_AM1_SEC) & 0x80)
- events |= RTC_UF;
- else
- events |= RTC_AF;
+ events = RTC_IRQF | RTC_AF;
rtc_update_irq(pdata->rtc, 1, events);
}
spin_unlock(&pdata->lock);
--
GitLab
From 434c9d03ea0db6bb8b1aebb6950781a0496028dd Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:04:22 +0100
Subject: [PATCH 0751/2686] rtc: ds1511: remove ds1511_rtc_update_alarm
ds1511_rtc_update_alarm is called twice but one of the call is overkill as
it only has to enable or disable the alarm instead of updating all the alarm
registers. Merge it in its main call site and introduce a new finction to
enable or disable the alarm.
Link: https://lore.kernel.org/r/20240227230431.1837717-7-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 52 ++++++++++++++++++----------------------
1 file changed, 23 insertions(+), 29 deletions(-)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 4ac8988d41244..b0dfdda2c8fcd 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -178,35 +178,15 @@ static int ds1511_rtc_read_time(struct device *dev, struct rtc_time *rtc_tm)
return 0;
}
-/*
- * write the alarm register settings
- *
- * we only have the use to interrupt every second, otherwise
- * known as the update interrupt, or the interrupt if the whole
- * date/hours/mins/secs matches. the ds1511 has many more
- * permutations, but the kernel doesn't.
- */
-static void ds1511_rtc_update_alarm(struct rtc_plat_data *pdata)
+static void ds1511_rtc_alarm_enable(unsigned int enabled)
{
- unsigned long flags;
-
- spin_lock_irqsave(&pdata->lock, flags);
- rtc_write(pdata->alrm_mday < 0 ? 0x80 : bin2bcd(pdata->alrm_mday) & 0x3f,
- DS1511_AM4_DATE);
- rtc_write(pdata->alrm_hour < 0 ? 0x80 : bin2bcd(pdata->alrm_hour) & 0x3f,
- DS1511_AM3_HOUR);
- rtc_write(pdata->alrm_min < 0 ? 0x80 : bin2bcd(pdata->alrm_min) & 0x7f,
- DS1511_AM2_MIN);
- rtc_write(pdata->alrm_sec < 0 ? 0x80 : bin2bcd(pdata->alrm_sec) & 0x7f,
- DS1511_AM1_SEC);
- rtc_write(rtc_read(DS1511_CONTROL_B) | (pdata->irqen ? DS1511_TIE : 0), DS1511_CONTROL_B);
- rtc_read(DS1511_CONTROL_A); /* clear interrupts */
- spin_unlock_irqrestore(&pdata->lock, flags);
+ rtc_write(rtc_read(DS1511_CONTROL_B) | (enabled ? DS1511_TIE : 0), DS1511_CONTROL_B);
}
static int ds1511_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct rtc_plat_data *pdata = dev_get_drvdata(dev);
+ unsigned long flags;
if (pdata->irq <= 0)
return -EINVAL;
@@ -218,7 +198,20 @@ static int ds1511_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
if (alrm->enabled)
pdata->irqen |= RTC_AF;
- ds1511_rtc_update_alarm(pdata);
+ spin_lock_irqsave(&pdata->lock, flags);
+ rtc_write(pdata->alrm_mday < 0 ? 0x80 : bin2bcd(pdata->alrm_mday) & 0x3f,
+ DS1511_AM4_DATE);
+ rtc_write(pdata->alrm_hour < 0 ? 0x80 : bin2bcd(pdata->alrm_hour) & 0x3f,
+ DS1511_AM3_HOUR);
+ rtc_write(pdata->alrm_min < 0 ? 0x80 : bin2bcd(pdata->alrm_min) & 0x7f,
+ DS1511_AM2_MIN);
+ rtc_write(pdata->alrm_sec < 0 ? 0x80 : bin2bcd(pdata->alrm_sec) & 0x7f,
+ DS1511_AM1_SEC);
+ ds1511_rtc_alarm_enable(alrm->enabled);
+
+ rtc_read(DS1511_CONTROL_A); /* clear interrupts */
+ spin_unlock_irqrestore(&pdata->lock, flags);
+
return 0;
}
@@ -258,14 +251,15 @@ static irqreturn_t ds1511_interrupt(int irq, void *dev_id)
static int ds1511_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
{
struct rtc_plat_data *pdata = dev_get_drvdata(dev);
+ unsigned long flags;
if (pdata->irq <= 0)
return -EINVAL;
- if (enabled)
- pdata->irqen |= RTC_AF;
- else
- pdata->irqen &= ~RTC_AF;
- ds1511_rtc_update_alarm(pdata);
+
+ spin_lock_irqsave(&pdata->lock, flags);
+ ds1511_rtc_alarm_enable(enabled);
+ spin_unlock_irqrestore(&pdata->lock, flags);
+
return 0;
}
--
GitLab
From f891570be594de6d5404354ab2c2ecbdc508cbd7 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:04:23 +0100
Subject: [PATCH 0752/2686] rtc: ds1511: let the core know when alarm are not
supported
Instead of failing function calls, let the core know alarms are not
supported so it can fail early and avoid unnecessary calls.
Link: https://lore.kernel.org/r/20240227230431.1837717-8-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 24 +++++++++---------------
1 file changed, 9 insertions(+), 15 deletions(-)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index b0dfdda2c8fcd..c81f464e6a501 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -188,9 +188,6 @@ static int ds1511_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
struct rtc_plat_data *pdata = dev_get_drvdata(dev);
unsigned long flags;
- if (pdata->irq <= 0)
- return -EINVAL;
-
pdata->alrm_mday = alrm->time.tm_mday;
pdata->alrm_hour = alrm->time.tm_hour;
pdata->alrm_min = alrm->time.tm_min;
@@ -219,9 +216,6 @@ static int ds1511_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct rtc_plat_data *pdata = dev_get_drvdata(dev);
- if (pdata->irq <= 0)
- return -EINVAL;
-
alrm->time.tm_mday = pdata->alrm_mday < 0 ? 0 : pdata->alrm_mday;
alrm->time.tm_hour = pdata->alrm_hour < 0 ? 0 : pdata->alrm_hour;
alrm->time.tm_min = pdata->alrm_min < 0 ? 0 : pdata->alrm_min;
@@ -253,9 +247,6 @@ static int ds1511_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
struct rtc_plat_data *pdata = dev_get_drvdata(dev);
unsigned long flags;
- if (pdata->irq <= 0)
- return -EINVAL;
-
spin_lock_irqsave(&pdata->lock, flags);
ds1511_rtc_alarm_enable(enabled);
spin_unlock_irqrestore(&pdata->lock, flags);
@@ -349,12 +340,6 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
pdata->rtc->ops = &ds1511_rtc_ops;
- ret = devm_rtc_register_device(pdata->rtc);
- if (ret)
- return ret;
-
- devm_rtc_nvmem_register(pdata->rtc, &ds1511_nvmem_cfg);
-
/*
* if the platform has an interrupt in mind for this device,
* then by all means, set it
@@ -369,6 +354,15 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
}
}
+ if (pdata->irq == 0)
+ clear_bit(RTC_FEATURE_ALARM, pdata->rtc->features);
+
+ ret = devm_rtc_register_device(pdata->rtc);
+ if (ret)
+ return ret;
+
+ devm_rtc_nvmem_register(pdata->rtc, &ds1511_nvmem_cfg);
+
return 0;
}
--
GitLab
From d949f040a0dc54ad76aa1f84391a62077dea096c Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:04:24 +0100
Subject: [PATCH 0753/2686] rtc: ds1511: remove partial alarm support
The RTC core will always provide an alarm with all its members set, it is
not necessary to support partial alarms.
Link: https://lore.kernel.org/r/20240227230431.1837717-9-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index c81f464e6a501..d5d59a948c595 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -196,14 +196,10 @@ static int ds1511_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
pdata->irqen |= RTC_AF;
spin_lock_irqsave(&pdata->lock, flags);
- rtc_write(pdata->alrm_mday < 0 ? 0x80 : bin2bcd(pdata->alrm_mday) & 0x3f,
- DS1511_AM4_DATE);
- rtc_write(pdata->alrm_hour < 0 ? 0x80 : bin2bcd(pdata->alrm_hour) & 0x3f,
- DS1511_AM3_HOUR);
- rtc_write(pdata->alrm_min < 0 ? 0x80 : bin2bcd(pdata->alrm_min) & 0x7f,
- DS1511_AM2_MIN);
- rtc_write(pdata->alrm_sec < 0 ? 0x80 : bin2bcd(pdata->alrm_sec) & 0x7f,
- DS1511_AM1_SEC);
+ rtc_write(bin2bcd(pdata->alrm_mday) & 0x3f, DS1511_AM4_DATE);
+ rtc_write(bin2bcd(pdata->alrm_hour) & 0x3f, DS1511_AM3_HOUR);
+ rtc_write(bin2bcd(pdata->alrm_min) & 0x7f, DS1511_AM2_MIN);
+ rtc_write(bin2bcd(pdata->alrm_sec) & 0x7f, DS1511_AM1_SEC);
ds1511_rtc_alarm_enable(alrm->enabled);
rtc_read(DS1511_CONTROL_A); /* clear interrupts */
--
GitLab
From 418501fd53f178eaa3e737804fc1e88e5f04343c Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:04:25 +0100
Subject: [PATCH 0754/2686] rtc: ds1511: implement ds1511_rtc_read_alarm
properly
ds1511_rtc_read_alarm was useless as it is only called at boot time so
the alarm members of pdata have not yet been set. Read the actual registers
so there is a chance to get a meaningful value.
Then, drop the alarm related members of pdata as they are not used anymore.
Link: https://lore.kernel.org/r/20240227230431.1837717-10-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 31 +++++++++----------------------
1 file changed, 9 insertions(+), 22 deletions(-)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index d5d59a948c595..c3b1376b731f5 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -63,11 +63,6 @@ struct rtc_plat_data {
struct rtc_device *rtc;
void __iomem *ioaddr; /* virtual base address */
int irq;
- unsigned int irqen;
- int alrm_sec;
- int alrm_min;
- int alrm_hour;
- int alrm_mday;
spinlock_t lock;
};
@@ -188,18 +183,11 @@ static int ds1511_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
struct rtc_plat_data *pdata = dev_get_drvdata(dev);
unsigned long flags;
- pdata->alrm_mday = alrm->time.tm_mday;
- pdata->alrm_hour = alrm->time.tm_hour;
- pdata->alrm_min = alrm->time.tm_min;
- pdata->alrm_sec = alrm->time.tm_sec;
- if (alrm->enabled)
- pdata->irqen |= RTC_AF;
-
spin_lock_irqsave(&pdata->lock, flags);
- rtc_write(bin2bcd(pdata->alrm_mday) & 0x3f, DS1511_AM4_DATE);
- rtc_write(bin2bcd(pdata->alrm_hour) & 0x3f, DS1511_AM3_HOUR);
- rtc_write(bin2bcd(pdata->alrm_min) & 0x7f, DS1511_AM2_MIN);
- rtc_write(bin2bcd(pdata->alrm_sec) & 0x7f, DS1511_AM1_SEC);
+ rtc_write(bin2bcd(alrm->time.tm_mday) & 0x3f, DS1511_AM4_DATE);
+ rtc_write(bin2bcd(alrm->time.tm_hour) & 0x3f, DS1511_AM3_HOUR);
+ rtc_write(bin2bcd(alrm->time.tm_min) & 0x7f, DS1511_AM2_MIN);
+ rtc_write(bin2bcd(alrm->time.tm_sec) & 0x7f, DS1511_AM1_SEC);
ds1511_rtc_alarm_enable(alrm->enabled);
rtc_read(DS1511_CONTROL_A); /* clear interrupts */
@@ -210,13 +198,12 @@ static int ds1511_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
static int ds1511_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
- struct rtc_plat_data *pdata = dev_get_drvdata(dev);
+ alrm->time.tm_mday = bcd2bin(rtc_read(DS1511_AM4_DATE) & 0x3f);
+ alrm->time.tm_hour = bcd2bin(rtc_read(DS1511_AM3_HOUR) & 0x3f);
+ alrm->time.tm_min = bcd2bin(rtc_read(DS1511_AM2_MIN) & 0x7f);
+ alrm->time.tm_sec = bcd2bin(rtc_read(DS1511_AM1_SEC) & 0x7f);
+ alrm->enabled = !!(rtc_read(DS1511_CONTROL_B) & DS1511_TIE);
- alrm->time.tm_mday = pdata->alrm_mday < 0 ? 0 : pdata->alrm_mday;
- alrm->time.tm_hour = pdata->alrm_hour < 0 ? 0 : pdata->alrm_hour;
- alrm->time.tm_min = pdata->alrm_min < 0 ? 0 : pdata->alrm_min;
- alrm->time.tm_sec = pdata->alrm_sec < 0 ? 0 : pdata->alrm_sec;
- alrm->enabled = (pdata->irqen & RTC_AF) ? 1 : 0;
return 0;
}
--
GitLab
From 19922e879997858eec0cb5ce275b48834dcbc209 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:04:26 +0100
Subject: [PATCH 0755/2686] rtc: ds1511: rename pdata
pdata is not actually about patform_data, rename it to something local to
the driver.
Link: https://lore.kernel.org/r/20240227230431.1837717-11-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 58 ++++++++++++++++++++--------------------
1 file changed, 29 insertions(+), 29 deletions(-)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index c3b1376b731f5..39efd432e8ead 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -59,7 +59,7 @@
#define DS1511_WDS 0x01
#define DS1511_RAM_MAX 0x100
-struct rtc_plat_data {
+struct ds1511_data {
struct rtc_device *rtc;
void __iomem *ioaddr; /* virtual base address */
int irq;
@@ -180,10 +180,10 @@ static void ds1511_rtc_alarm_enable(unsigned int enabled)
static int ds1511_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
- struct rtc_plat_data *pdata = dev_get_drvdata(dev);
+ struct ds1511_data *ds1511 = dev_get_drvdata(dev);
unsigned long flags;
- spin_lock_irqsave(&pdata->lock, flags);
+ spin_lock_irqsave(&ds1511->lock, flags);
rtc_write(bin2bcd(alrm->time.tm_mday) & 0x3f, DS1511_AM4_DATE);
rtc_write(bin2bcd(alrm->time.tm_hour) & 0x3f, DS1511_AM3_HOUR);
rtc_write(bin2bcd(alrm->time.tm_min) & 0x7f, DS1511_AM2_MIN);
@@ -191,7 +191,7 @@ static int ds1511_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
ds1511_rtc_alarm_enable(alrm->enabled);
rtc_read(DS1511_CONTROL_A); /* clear interrupts */
- spin_unlock_irqrestore(&pdata->lock, flags);
+ spin_unlock_irqrestore(&ds1511->lock, flags);
return 0;
}
@@ -210,29 +210,29 @@ static int ds1511_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
static irqreturn_t ds1511_interrupt(int irq, void *dev_id)
{
struct platform_device *pdev = dev_id;
- struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
+ struct ds1511_data *ds1511 = platform_get_drvdata(pdev);
unsigned long events = 0;
- spin_lock(&pdata->lock);
+ spin_lock(&ds1511->lock);
/*
* read and clear interrupt
*/
if (rtc_read(DS1511_CONTROL_A) & DS1511_IRQF) {
events = RTC_IRQF | RTC_AF;
- rtc_update_irq(pdata->rtc, 1, events);
+ rtc_update_irq(ds1511->rtc, 1, events);
}
- spin_unlock(&pdata->lock);
+ spin_unlock(&ds1511->lock);
return events ? IRQ_HANDLED : IRQ_NONE;
}
static int ds1511_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
{
- struct rtc_plat_data *pdata = dev_get_drvdata(dev);
+ struct ds1511_data *ds1511 = dev_get_drvdata(dev);
unsigned long flags;
- spin_lock_irqsave(&pdata->lock, flags);
+ spin_lock_irqsave(&ds1511->lock, flags);
ds1511_rtc_alarm_enable(enabled);
- spin_unlock_irqrestore(&pdata->lock, flags);
+ spin_unlock_irqrestore(&ds1511->lock, flags);
return 0;
}
@@ -271,7 +271,7 @@ static int ds1511_nvram_write(void *priv, unsigned int pos, void *buf,
static int ds1511_rtc_probe(struct platform_device *pdev)
{
- struct rtc_plat_data *pdata;
+ struct ds1511_data *ds1511;
int ret = 0;
struct nvmem_config ds1511_nvmem_cfg = {
.name = "ds1511_nvram",
@@ -283,15 +283,15 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
.priv = &pdev->dev,
};
- pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
- if (!pdata)
+ ds1511 = devm_kzalloc(&pdev->dev, sizeof(*ds1511), GFP_KERNEL);
+ if (!ds1511)
return -ENOMEM;
ds1511_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(ds1511_base))
return PTR_ERR(ds1511_base);
- pdata->ioaddr = ds1511_base;
- pdata->irq = platform_get_irq(pdev, 0);
+ ds1511->ioaddr = ds1511_base;
+ ds1511->irq = platform_get_irq(pdev, 0);
/*
* turn on the clock and the crystal, etc.
@@ -314,37 +314,37 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
if (rtc_read(DS1511_CONTROL_A) & DS1511_BLF1)
dev_warn(&pdev->dev, "voltage-low detected.\n");
- spin_lock_init(&pdata->lock);
- platform_set_drvdata(pdev, pdata);
+ spin_lock_init(&ds1511->lock);
+ platform_set_drvdata(pdev, ds1511);
- pdata->rtc = devm_rtc_allocate_device(&pdev->dev);
- if (IS_ERR(pdata->rtc))
- return PTR_ERR(pdata->rtc);
+ ds1511->rtc = devm_rtc_allocate_device(&pdev->dev);
+ if (IS_ERR(ds1511->rtc))
+ return PTR_ERR(ds1511->rtc);
- pdata->rtc->ops = &ds1511_rtc_ops;
+ ds1511->rtc->ops = &ds1511_rtc_ops;
/*
* if the platform has an interrupt in mind for this device,
* then by all means, set it
*/
- if (pdata->irq > 0) {
+ if (ds1511->irq > 0) {
rtc_read(DS1511_CONTROL_A);
- if (devm_request_irq(&pdev->dev, pdata->irq, ds1511_interrupt,
+ if (devm_request_irq(&pdev->dev, ds1511->irq, ds1511_interrupt,
IRQF_SHARED, pdev->name, pdev) < 0) {
dev_warn(&pdev->dev, "interrupt not available.\n");
- pdata->irq = 0;
+ ds1511->irq = 0;
}
}
- if (pdata->irq == 0)
- clear_bit(RTC_FEATURE_ALARM, pdata->rtc->features);
+ if (ds1511->irq == 0)
+ clear_bit(RTC_FEATURE_ALARM, ds1511->rtc->features);
- ret = devm_rtc_register_device(pdata->rtc);
+ ret = devm_rtc_register_device(ds1511->rtc);
if (ret)
return ret;
- devm_rtc_nvmem_register(pdata->rtc, &ds1511_nvmem_cfg);
+ devm_rtc_nvmem_register(ds1511->rtc, &ds1511_nvmem_cfg);
return 0;
}
--
GitLab
From 29c411f242ea3873c65efa95cfd3780b4b16f278 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:04:27 +0100
Subject: [PATCH 0756/2686] rtc: ds1511: drop inline/noinline hints
There is no reason to not let the compiler optimise those functions as it
wants.
Link: https://lore.kernel.org/r/20240227230431.1837717-12-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 39efd432e8ead..edb8d90812c58 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -71,17 +71,17 @@ static DEFINE_SPINLOCK(ds1511_lock);
static __iomem char *ds1511_base;
static u32 reg_spacing = 1;
-static noinline void rtc_write(uint8_t val, uint32_t reg)
+static void rtc_write(uint8_t val, uint32_t reg)
{
writeb(val, ds1511_base + (reg * reg_spacing));
}
-static noinline uint8_t rtc_read(uint32_t reg)
+static uint8_t rtc_read(uint32_t reg)
{
return readb(ds1511_base + (reg * reg_spacing));
}
-static inline void rtc_disable_update(void)
+static void rtc_disable_update(void)
{
rtc_write((rtc_read(DS1511_CONTROL_B) & ~DS1511_TE), DS1511_CONTROL_B);
}
--
GitLab
From e40512a4f5cbfbbe034efc2d556283a470f97bf5 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:13:54 +0100
Subject: [PATCH 0757/2686] rtc: ds1511: set range
The ds1511 leap year calculation fails in 2100.
Link: https://lore.kernel.org/r/20240227231356.1840523-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index edb8d90812c58..6869d28d34cc9 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -322,6 +322,7 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
return PTR_ERR(ds1511->rtc);
ds1511->rtc->ops = &ds1511_rtc_ops;
+ ds1511->rtc->range_max = RTC_TIMESTAMP_END_2099;
/*
* if the platform has an interrupt in mind for this device,
--
GitLab
From 50891bd19f1ec23fa8cefbabc1f0e55d94925933 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Wed, 28 Feb 2024 00:13:55 +0100
Subject: [PATCH 0758/2686] rtc: ds1511: set alarm offset limit
The ds1511 can only support alarms up to a month in the future (which we
currently limit to 28 days).
Link: https://lore.kernel.org/r/20240227231356.1840523-2-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-ds1511.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 6869d28d34cc9..8b087d9556bee 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -323,6 +323,7 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
ds1511->rtc->ops = &ds1511_rtc_ops;
ds1511->rtc->range_max = RTC_TIMESTAMP_END_2099;
+ ds1511->rtc->alarm_offset_max = 28 * 24 * 60 * 60 - 1;
/*
* if the platform has an interrupt in mind for this device,
--
GitLab
From 787bcc982cd6f4fe81d86f31435de31db8502bd2 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Tue, 27 Feb 2024 22:18:32 +0100
Subject: [PATCH 0759/2686] rtc: pcf8523: add suspend handlers for alarm IRQ
Ensure the RTC is able to wake up the system from suspend.
Link: https://lore.kernel.org/r/20240227211833.1820800-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-pcf8523.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/rtc/rtc-pcf8523.c b/drivers/rtc/rtc-pcf8523.c
index d1efde3e7a809..98b77f790b0c5 100644
--- a/drivers/rtc/rtc-pcf8523.c
+++ b/drivers/rtc/rtc-pcf8523.c
@@ -370,6 +370,30 @@ static int pcf8523_rtc_set_offset(struct device *dev, long offset)
return regmap_write(pcf8523->regmap, PCF8523_REG_OFFSET, value);
}
+#ifdef CONFIG_PM_SLEEP
+static int pcf8523_suspend(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ if (client->irq > 0 && device_may_wakeup(dev))
+ enable_irq_wake(client->irq);
+
+ return 0;
+}
+
+static int pcf8523_resume(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ if (client->irq > 0 && device_may_wakeup(dev))
+ disable_irq_wake(client->irq);
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(pcf8523_pm, pcf8523_suspend, pcf8523_resume);
+
static const struct rtc_class_ops pcf8523_rtc_ops = {
.read_time = pcf8523_rtc_read_time,
.set_time = pcf8523_rtc_set_time,
@@ -487,6 +511,7 @@ static struct i2c_driver pcf8523_driver = {
.driver = {
.name = "rtc-pcf8523",
.of_match_table = pcf8523_of_match,
+ .pm = &pcf8523_pm,
},
.probe = pcf8523_probe,
.id_table = pcf8523_id,
--
GitLab
From e8c0498505b0495f2b67df22c2c28970e69a54d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Mon, 22 Jan 2024 13:49:49 +0100
Subject: [PATCH 0760/2686] dt-bindings: rtc: convert MT2717 RTC to the
json-schema
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This helps validating DTS files. Introduced changes:
1. Reworded title
2. Dropper redundant properties descriptions
3. Added required #include and adjusted "reg" in example
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240122124949.29577-1-zajec5@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
.../bindings/rtc/mediatek,mt2712-rtc.yaml | 39 +++++++++++++++++++
.../devicetree/bindings/rtc/rtc-mt2712.txt | 14 -------
2 files changed, 39 insertions(+), 14 deletions(-)
create mode 100644 Documentation/devicetree/bindings/rtc/mediatek,mt2712-rtc.yaml
delete mode 100644 Documentation/devicetree/bindings/rtc/rtc-mt2712.txt
diff --git a/Documentation/devicetree/bindings/rtc/mediatek,mt2712-rtc.yaml b/Documentation/devicetree/bindings/rtc/mediatek,mt2712-rtc.yaml
new file mode 100644
index 0000000000000..75624ddf6d4d6
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/mediatek,mt2712-rtc.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/mediatek,mt2712-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek MT2712 on-SoC RTC
+
+allOf:
+ - $ref: rtc.yaml#
+
+maintainers:
+ - Ran Bi <ran.bi@mediatek.com>
+
+properties:
+ compatible:
+ const: mediatek,mt2712-rtc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - reg
+ - interrupts
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ rtc@10011000 {
+ compatible = "mediatek,mt2712-rtc";
+ reg = <0x10011000 0x1000>;
+ interrupts = <GIC_SPI 239 IRQ_TYPE_LEVEL_LOW>;
+ };
diff --git a/Documentation/devicetree/bindings/rtc/rtc-mt2712.txt b/Documentation/devicetree/bindings/rtc/rtc-mt2712.txt
deleted file mode 100644
index c33d87e5e753f..0000000000000
--- a/Documentation/devicetree/bindings/rtc/rtc-mt2712.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-Device-Tree bindings for MediaTek SoC based RTC
-
-Required properties:
-- compatible : Should be "mediatek,mt2712-rtc" : for MT2712 SoC
-- reg : Specifies base physical address and size of the registers;
-- interrupts : Should contain the interrupt for RTC alarm;
-
-Example:
-
-rtc: rtc@10011000 {
- compatible = "mediatek,mt2712-rtc";
- reg = <0 0x10011000 0 0x1000>;
- interrupts = <GIC_SPI 239 IRQ_TYPE_LEVEL_LOW>;
-};
--
GitLab
From aef3952ec13fd2f882225ea36fc7c369f681d682 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Tue, 23 Jan 2024 13:50:43 +0100
Subject: [PATCH 0761/2686] dt-bindings: rtc: convert MT7622 RTC to the
json-schema
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This helps validating DTS files. Introduced changes:
1. Reworded title
2. Dropper redundant properties descriptions
3. Added required #include-s and adjusted "reg" in example
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240123125043.27192-1-zajec5@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
.../bindings/rtc/mediatek,mt7622-rtc.yaml | 52 +++++++++++++++++++
.../devicetree/bindings/rtc/rtc-mt7622.txt | 21 --------
2 files changed, 52 insertions(+), 21 deletions(-)
create mode 100644 Documentation/devicetree/bindings/rtc/mediatek,mt7622-rtc.yaml
delete mode 100644 Documentation/devicetree/bindings/rtc/rtc-mt7622.txt
diff --git a/Documentation/devicetree/bindings/rtc/mediatek,mt7622-rtc.yaml b/Documentation/devicetree/bindings/rtc/mediatek,mt7622-rtc.yaml
new file mode 100644
index 0000000000000..e74dfc161cfc6
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/mediatek,mt7622-rtc.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/mediatek,mt7622-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek MT7622 on-SoC RTC
+
+allOf:
+ - $ref: rtc.yaml#
+
+maintainers:
+ - Sean Wang <sean.wang@mediatek.com>
+
+properties:
+ compatible:
+ items:
+ - const: mediatek,mt7622-rtc
+ - const: mediatek,soc-rtc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: rtc
+
+required:
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/mt7622-clk.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ rtc@10212800 {
+ compatible = "mediatek,mt7622-rtc", "mediatek,soc-rtc";
+ reg = <0x10212800 0x200>;
+ interrupts = <GIC_SPI 129 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_RTC>;
+ clock-names = "rtc";
+ };
diff --git a/Documentation/devicetree/bindings/rtc/rtc-mt7622.txt b/Documentation/devicetree/bindings/rtc/rtc-mt7622.txt
deleted file mode 100644
index 09fe8f51476f8..0000000000000
--- a/Documentation/devicetree/bindings/rtc/rtc-mt7622.txt
+++ /dev/null
@@ -1,21 +0,0 @@
-Device-Tree bindings for MediaTek SoC based RTC
-
-Required properties:
-- compatible : Should be
- "mediatek,mt7622-rtc", "mediatek,soc-rtc" : for MT7622 SoC
-- reg : Specifies base physical address and size of the registers;
-- interrupts : Should contain the interrupt for RTC alarm;
-- clocks : Specifies list of clock specifiers, corresponding to
- entries in clock-names property;
-- clock-names : Should contain "rtc" entries
-
-Example:
-
-rtc: rtc@10212800 {
- compatible = "mediatek,mt7622-rtc",
- "mediatek,soc-rtc";
- reg = <0 0x10212800 0 0x200>;
- interrupts = <GIC_SPI 129 IRQ_TYPE_LEVEL_LOW>;
- clocks = <&topckgen CLK_TOP_RTC>;
- clock-names = "rtc";
-};
--
GitLab
From 16816e6a36939d2a3f70b80ac5a0ba0a8a155523 Mon Sep 17 00:00:00 2001
From: Varshini Rajendran <varshini.rajendran@microchip.com>
Date: Fri, 23 Feb 2024 22:55:52 +0530
Subject: [PATCH 0762/2686] dt-bindings: at91rm9260-rtt: add sam9x7 compatible
Add compatible for SAM9X7 RTT.
Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240223172552.672094-1-varshini.rajendran@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
.../devicetree/bindings/rtc/atmel,at91sam9260-rtt.yaml | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/rtc/atmel,at91sam9260-rtt.yaml b/Documentation/devicetree/bindings/rtc/atmel,at91sam9260-rtt.yaml
index b80b85c394ac5..a7f6c1d1a08ab 100644
--- a/Documentation/devicetree/bindings/rtc/atmel,at91sam9260-rtt.yaml
+++ b/Documentation/devicetree/bindings/rtc/atmel,at91sam9260-rtt.yaml
@@ -19,7 +19,9 @@ properties:
- items:
- const: atmel,at91sam9260-rtt
- items:
- - const: microchip,sam9x60-rtt
+ - enum:
+ - microchip,sam9x60-rtt
+ - microchip,sam9x7-rtt
- const: atmel,at91sam9260-rtt
- items:
- const: microchip,sama7g5-rtt
--
GitLab
From 3100fd1aa8e4b7fdb3f352614e3b55bd44c07efe Mon Sep 17 00:00:00 2001
From: Curtis Klein <curtis.klein@hpe.com>
Date: Wed, 21 Feb 2024 17:11:29 -0800
Subject: [PATCH 0763/2686] rtc: m41t80: Use the unified property API get the
wakeup-source property
This allows both ACPI and Device Tree systems to specify the m41t80 as a
wakeup-source.
Signed-off-by: Curtis Klein <curtis.klein@hpe.com>
Link: https://lore.kernel.org/r/20240222011129.79241-1-curtis.klein@hpe.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-m41t80.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 866489ad56d67..0013bff0447d5 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -909,10 +909,7 @@ static int m41t80_probe(struct i2c_client *client)
if (IS_ERR(m41t80_data->rtc))
return PTR_ERR(m41t80_data->rtc);
-#ifdef CONFIG_OF
- wakeup_source = of_property_read_bool(client->dev.of_node,
- "wakeup-source");
-#endif
+ wakeup_source = device_property_read_bool(&client->dev, "wakeup-source");
if (client->irq > 0) {
unsigned long irqflags = IRQF_TRIGGER_LOW;
--
GitLab
From 626e2b54645a4e9b58bcb479a565b4a06ff76a26 Mon Sep 17 00:00:00 2001
From: Josua Mayer <josua@solid-run.com>
Date: Mon, 19 Feb 2024 15:29:45 +0100
Subject: [PATCH 0764/2686] dt-bindings: rtc: abx80x: convert to yaml
Convert the abracon abx80x rtc text bindings to dt-schema format.
In addition to the text description reference generic interrupts
properties and add an example.
Signed-off-by: Josua Mayer <josua@solid-run.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240219-rtc-abracon-convert-bindings-v7-1-aca4fc3b8cec@solid-run.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
.../bindings/rtc/abracon,abx80x.txt | 31 --------
.../bindings/rtc/abracon,abx80x.yaml | 79 +++++++++++++++++++
2 files changed, 79 insertions(+), 31 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/rtc/abracon,abx80x.txt
create mode 100644 Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml
diff --git a/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt b/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt
deleted file mode 100644
index 2405e35a1bc0f..0000000000000
--- a/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-Abracon ABX80X I2C ultra low power RTC/Alarm chip
-
-The Abracon ABX80X family consist of the ab0801, ab0803, ab0804, ab0805, ab1801,
-ab1803, ab1804 and ab1805. The ab0805 is the superset of ab080x and the ab1805
-is the superset of ab180x.
-
-Required properties:
-
- - "compatible": should one of:
- "abracon,abx80x"
- "abracon,ab0801"
- "abracon,ab0803"
- "abracon,ab0804"
- "abracon,ab0805"
- "abracon,ab1801"
- "abracon,ab1803"
- "abracon,ab1804"
- "abracon,ab1805"
- "microcrystal,rv1805"
- Using "abracon,abx80x" will enable chip autodetection.
- - "reg": I2C bus address of the device
-
-Optional properties:
-
-The abx804 and abx805 have a trickle charger that is able to charge the
-connected battery or supercap. Both the following properties have to be defined
-and valid to enable charging:
-
- - "abracon,tc-diode": should be "standard" (0.6V) or "schottky" (0.3V)
- - "abracon,tc-resistor": should be <0>, <3>, <6> or <11>. 0 disables the output
- resistor, the other values are in kOhm.
diff --git a/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml b/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml
new file mode 100644
index 0000000000000..58dbbca27deb8
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml
@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/abracon,abx80x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Abracon ABX80X I2C ultra low power RTC/Alarm chip
+
+maintainers:
+ - linux-rtc@vger.kernel.org
+
+allOf:
+ - $ref: rtc.yaml#
+
+properties:
+ compatible:
+ description:
+ The wildcard 'abracon,abx80x' may be used to support a mix
+ of different abracon rtc`s. In this case the driver
+ must perform auto-detection from ID register.
+ enum:
+ - abracon,abx80x
+ - abracon,ab0801
+ - abracon,ab0803
+ - abracon,ab0804
+ - abracon,ab0805
+ - abracon,ab1801
+ - abracon,ab1803
+ - abracon,ab1804
+ - abracon,ab1805
+ - microcrystal,rv1805
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ abracon,tc-diode:
+ description:
+ Trickle-charge diode type.
+ Required to enable charging backup battery.
+
+ Supported are 'standard' diodes with a 0.6V drop
+ and 'schottky' diodes with a 0.3V drop.
+ $ref: /schemas/types.yaml#/definitions/string
+ enum:
+ - standard
+ - schottky
+
+ abracon,tc-resistor:
+ description:
+ Trickle-charge resistor value in kOhm.
+ Required to enable charging backup battery.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 3, 6, 11]
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rtc@69 {
+ compatible = "abracon,abx80x";
+ reg = <0x69>;
+ abracon,tc-diode = "schottky";
+ abracon,tc-resistor = <3>;
+ interrupts = <44 IRQ_TYPE_EDGE_FALLING>;
+ };
+ };
--
GitLab
From 544c42f798e1651dcb04fb0395219bf0f1c2607e Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Mon, 12 Feb 2024 21:02:58 -0800
Subject: [PATCH 0765/2686] rtc: mt6397: select IRQ_DOMAIN instead of depending
on it
IRQ_DOMAIN is a hidden (not user visible) symbol. Users cannot set
it directly thru "make *config", so drivers should select it instead
of depending on it if they need it.
Relying on it being set for a dependency is risky.
Consistently using "select" or "depends on" can also help reduce
Kconfig circular dependency issues.
Therefore, change the use of "depends on" for IRQ_DOMAIN to
"select" for RTC_DRV_MT6397.
Fixes: 04d3ba70a3c9 ("rtc: mt6397: add IRQ domain dependency")
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Eddie Huang <eddie.huang@mediatek.com>
Cc: Sean Wang <sean.wang@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mediatek@lists.infradead.org
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: linux-rtc@vger.kernel.org
Cc: Marc Zyngier <maz@kernel.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Peter Rosin <peda@axentia.se>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20240213050258.6167-1-rdunlap@infradead.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/Kconfig | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index e37a4341f442d..c63e32d012f23 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1858,7 +1858,8 @@ config RTC_DRV_MT2712
config RTC_DRV_MT6397
tristate "MediaTek PMIC based RTC"
- depends on MFD_MT6397 || (COMPILE_TEST && IRQ_DOMAIN)
+ depends on MFD_MT6397 || COMPILE_TEST
+ select IRQ_DOMAIN
help
This selects the MediaTek(R) RTC driver. RTC is part of MediaTek
MT6397 PMIC. You should enable MT6397 PMIC MFD before select
--
GitLab
From c12e67e076cbcb86fd9c3cb003a344ec684138a6 Mon Sep 17 00:00:00 2001
From: Antoniu Miclaus <antoniu.miclaus@analog.com>
Date: Mon, 19 Feb 2024 11:16:15 +0200
Subject: [PATCH 0766/2686] rtc: max31335: fix interrupt status reg
Fix the register value comparison in the `max31335_volatile_reg`
function for the interrupt status register.
MAX31335_STATUS1 macro definition corresponds to the actual
interrupt status register.
Fixes: dedaf03b99d6 ("rtc: max31335: add driver support")
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240219091616.24480-1-antoniu.miclaus@analog.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-max31335.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/rtc/rtc-max31335.c b/drivers/rtc/rtc-max31335.c
index 402fda8fd5488..a2441e5c2c74d 100644
--- a/drivers/rtc/rtc-max31335.c
+++ b/drivers/rtc/rtc-max31335.c
@@ -204,7 +204,7 @@ static bool max31335_volatile_reg(struct device *dev, unsigned int reg)
return true;
/* interrupt status register */
- if (reg == MAX31335_INT_EN1_A1IE)
+ if (reg == MAX31335_STATUS1)
return true;
/* temperature registers */
--
GitLab
From a74c0c9c3f7fa6fba34196d142bab93509f17dba Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oneukum@suse.com>
Date: Thu, 29 Feb 2024 14:23:57 +0100
Subject: [PATCH 0767/2686] USB: typec: no opencoding FIELD_GET
We have a macro. It should be used.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/20240229132401.3270-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/usb/typec_tbt.h | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/include/linux/usb/typec_tbt.h b/include/linux/usb/typec_tbt.h
index c7a2153bd6f50..fa97d7e00f5c7 100644
--- a/include/linux/usb/typec_tbt.h
+++ b/include/linux/usb/typec_tbt.h
@@ -3,6 +3,7 @@
#define __USB_TYPEC_TBT_H
#include <linux/usb/typec_altmode.h>
+#include <linux/bitfield.h>
#define USB_TYPEC_VENDOR_INTEL 0x8087
/* Alias for convenience */
@@ -25,7 +26,7 @@ struct typec_thunderbolt_data {
/* TBT3 Device Discover Mode VDO bits */
#define TBT_MODE BIT(0)
-#define TBT_ADAPTER(_vdo_) (((_vdo_) & BIT(16)) >> 16)
+#define TBT_ADAPTER(_vdo_) FIELD_GET(BIT(16), _vdo_)
#define TBT_ADAPTER_LEGACY 0
#define TBT_ADAPTER_TBT3 1
#define TBT_INTEL_SPECIFIC_B0 BIT(26)
@@ -35,12 +36,12 @@ struct typec_thunderbolt_data {
#define TBT_SET_ADAPTER(a) (((a) & 1) << 16)
/* TBT3 Cable Discover Mode VDO bits */
-#define TBT_CABLE_SPEED(_vdo_) (((_vdo_) & GENMASK(18, 16)) >> 16)
+#define TBT_CABLE_SPEED(_vdo_) FIELD_GET(GENMASK(18, 16), _vdo_)
#define TBT_CABLE_USB3_GEN1 1
#define TBT_CABLE_USB3_PASSIVE 2
#define TBT_CABLE_10_AND_20GBPS 3
-#define TBT_CABLE_ROUNDED_SUPPORT(_vdo_) \
- (((_vdo_) & GENMASK(20, 19)) >> 19)
+#define TBT_CABLE_ROUNDED_SUPPORT(_vdo_) FIELD_GET(GENMASK(20, 19), _vdo_)
+
#define TBT_GEN3_NON_ROUNDED 0
#define TBT_GEN3_GEN4_ROUNDED_NON_ROUNDED 1
#define TBT_CABLE_OPTICAL BIT(21)
--
GitLab
From c40b51b3f365f6bc903719acc4fac7eed8a56639 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Fri, 1 Mar 2024 18:19:28 -0300
Subject: [PATCH 0768/2686] usb: typec: constify struct class usage
Since commit 43a7206b0963 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the structures typec_mux_class, retimer_class and
typec_class to be declared at build time placing them into read-only
memory, instead of having to be dynamically allocated at boot time.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240301-class_cleanup-usb-v1-1-50309e325095@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/class.c | 2 +-
drivers/usb/typec/class.h | 6 +++---
drivers/usb/typec/mux.c | 2 +-
drivers/usb/typec/retimer.c | 2 +-
4 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index caea2b8299800..389c7f0b8d935 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -21,7 +21,7 @@
static DEFINE_IDA(typec_index_ida);
-struct class typec_class = {
+const struct class typec_class = {
.name = "typec",
};
diff --git a/drivers/usb/typec/class.h b/drivers/usb/typec/class.h
index 759b98355eeb9..7485cdb9dd201 100644
--- a/drivers/usb/typec/class.h
+++ b/drivers/usb/typec/class.h
@@ -93,9 +93,9 @@ extern const struct device_type typec_port_dev_type;
#define is_typec_plug(dev) ((dev)->type == &typec_plug_dev_type)
#define is_typec_port(dev) ((dev)->type == &typec_port_dev_type)
-extern struct class typec_mux_class;
-extern struct class retimer_class;
-extern struct class typec_class;
+extern const struct class typec_mux_class;
+extern const struct class retimer_class;
+extern const struct class typec_class;
#if defined(CONFIG_ACPI)
int typec_link_ports(struct typec_port *connector);
diff --git a/drivers/usb/typec/mux.c b/drivers/usb/typec/mux.c
index 80dd91938d960..49926d6e72c71 100644
--- a/drivers/usb/typec/mux.c
+++ b/drivers/usb/typec/mux.c
@@ -469,6 +469,6 @@ void *typec_mux_get_drvdata(struct typec_mux_dev *mux_dev)
}
EXPORT_SYMBOL_GPL(typec_mux_get_drvdata);
-struct class typec_mux_class = {
+const struct class typec_mux_class = {
.name = "typec_mux",
};
diff --git a/drivers/usb/typec/retimer.c b/drivers/usb/typec/retimer.c
index 4a7d1b5c4d866..b519fcf358caf 100644
--- a/drivers/usb/typec/retimer.c
+++ b/drivers/usb/typec/retimer.c
@@ -155,6 +155,6 @@ void *typec_retimer_get_drvdata(struct typec_retimer *retimer)
}
EXPORT_SYMBOL_GPL(typec_retimer_get_drvdata);
-struct class retimer_class = {
+const struct class retimer_class = {
.name = "retimer",
};
--
GitLab
From c9a63ec5d2590793d0da267e9300401c86306df8 Mon Sep 17 00:00:00 2001
From: Niklas Neronin <niklas.neronin@intel.com>
Date: Thu, 29 Feb 2024 16:14:30 +0200
Subject: [PATCH 0769/2686] xhci: rework how real & fake ports are found
xHC hardware needs to know which roothub port a USB device is attached to
when controlling the device, so the xHCI driver stores in each device the
roothub port which it's connected behind. This is done with two different
port index values, the 'real_port' which is an index to the xHC hardware
port register array, and the 'fake_port' which is the per hub port index
used by the hub driver.
Instead of finding real & fake port separately, find the root hub port
'xhci_port' structure which contains both real & fake port values:
- 'real_port' is ('hw_portnum' + 1)
- 'fake_port' is ('hcd_portnum' + 1)
i.e. real & fake port are 'hw_portnum' & 'hcd_portnum' in one-based
format.
The 'xhci_port' structure is a better way to refer to roothub ports than
the 'real_port' & 'fake_port'. As a result, these port indexes are slated
to be replaced with a direct pointer to the root hub port. This patch
setups the ground work for the future changes.
Signed-off-by: Niklas Neronin <niklas.neronin@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240229141438.619372-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-mem.c | 34 +++++++++++++++-------------------
1 file changed, 15 insertions(+), 19 deletions(-)
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 450adaca68eeb..92160b96d4c0c 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1051,16 +1051,16 @@ void xhci_copy_ep0_dequeue_into_input_ctx(struct xhci_hcd *xhci,
* The xHCI roothub may have ports of differing speeds in any order in the port
* status registers.
*
- * The xHCI hardware wants to know the roothub port number that the USB device
+ * The xHCI hardware wants to know the roothub port that the USB device
* is attached to (or the roothub port its ancestor hub is attached to). All we
* know is the index of that port under either the USB 2.0 or the USB 3.0
* roothub, but that doesn't give us the real index into the HW port status
- * registers. Call xhci_find_raw_port_number() to get real index.
+ * registers.
*/
-static u32 xhci_find_real_port_number(struct xhci_hcd *xhci,
- struct usb_device *udev)
+static struct xhci_port *xhci_find_rhub_port(struct xhci_hcd *xhci, struct usb_device *udev)
{
struct usb_device *top_dev;
+ struct xhci_hub *rhub;
struct usb_hcd *hcd;
if (udev->speed >= USB_SPEED_SUPER)
@@ -1072,7 +1072,8 @@ static u32 xhci_find_real_port_number(struct xhci_hcd *xhci,
top_dev = top_dev->parent)
/* Found device below root hub */;
- return xhci_find_raw_port_number(hcd, top_dev->portnum);
+ rhub = xhci_get_rhub(hcd);
+ return rhub->ports[top_dev->portnum - 1];
}
/* Setup an xHCI virtual device for a Set Address command */
@@ -1081,9 +1082,8 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
struct xhci_virt_device *dev;
struct xhci_ep_ctx *ep0_ctx;
struct xhci_slot_ctx *slot_ctx;
- u32 port_num;
+ struct xhci_port *rhub_port;
u32 max_packets;
- struct usb_device *top_dev;
dev = xhci->devs[udev->slot_id];
/* Slot ID 0 is reserved */
@@ -1124,17 +1124,13 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
return -EINVAL;
}
/* Find the root hub port this device is under */
- port_num = xhci_find_real_port_number(xhci, udev);
- if (!port_num)
+ rhub_port = xhci_find_rhub_port(xhci, udev);
+ if (!rhub_port)
return -EINVAL;
- slot_ctx->dev_info2 |= cpu_to_le32(ROOT_HUB_PORT(port_num));
- /* Set the port number in the virtual_device to the faked port number */
- for (top_dev = udev; top_dev->parent && top_dev->parent->parent;
- top_dev = top_dev->parent)
- /* Found device below root hub */;
- dev->fake_port = top_dev->portnum;
- dev->real_port = port_num;
- xhci_dbg(xhci, "Set root hub portnum to %d\n", port_num);
+ dev->real_port = rhub_port->hw_portnum + 1;
+ dev->fake_port = rhub_port->hcd_portnum + 1;
+ slot_ctx->dev_info2 |= cpu_to_le32(ROOT_HUB_PORT(dev->real_port));
+ xhci_dbg(xhci, "Set root hub portnum to %d\n", dev->real_port);
xhci_dbg(xhci, "Set fake root hub portnum to %d\n", dev->fake_port);
/* Find the right bandwidth table that this device will be a part of.
@@ -1144,12 +1140,12 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
* will never be created for the HS root hub.
*/
if (!udev->tt || !udev->tt->hub->parent) {
- dev->bw_table = &xhci->rh_bw[port_num - 1].bw_table;
+ dev->bw_table = &xhci->rh_bw[dev->real_port - 1].bw_table;
} else {
struct xhci_root_port_bw_info *rh_bw;
struct xhci_tt_bw_info *tt_bw;
- rh_bw = &xhci->rh_bw[port_num - 1];
+ rh_bw = &xhci->rh_bw[dev->real_port - 1];
/* Find the right TT. */
list_for_each_entry(tt_bw, &rh_bw->tts, tt_list) {
if (tt_bw->slot_id != udev->tt->hub->slot_id)
--
GitLab
From 06790c19086fe8f54afcd49184916132c7a8da4e Mon Sep 17 00:00:00 2001
From: Niklas Neronin <niklas.neronin@intel.com>
Date: Thu, 29 Feb 2024 16:14:31 +0200
Subject: [PATCH 0770/2686] xhci: replace real & fake port with pointer to root
hub port
Variables real & fake port do not convey their purpose, thus they are
replaced with a pointer to the root hub port 'struct xhci_port *rhub_port'.
'rhub_port' contains real & fake ports in zero-based format, which happens
to be more widely used inside the xHCI driver:
- 'real_port' is ('rhub_port->hw_portnum' + 1)
- 'fake_port' is ('rhub_port->hcd_portnum' + 1)
One reason for real port being one-based, is to signal other functions in
case struct 'xhci_virt_device' initialization failed, in this case the
value will remain 0. This is no longer needed, instead we check whether
or not 'rhub_port' is 'NULL'.
Signed-off-by: Niklas Neronin <niklas.neronin@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240229141438.619372-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-hub.c | 4 +++-
drivers/usb/host/xhci-mem.c | 35 ++++++++++++++-------------------
drivers/usb/host/xhci-mtk-sch.c | 14 +++++--------
drivers/usb/host/xhci-trace.h | 12 +++++------
drivers/usb/host/xhci.c | 12 +++++------
drivers/usb/host/xhci.h | 3 +--
6 files changed, 35 insertions(+), 45 deletions(-)
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 0980ade2a234a..37128a777a58e 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -464,13 +464,15 @@ int xhci_find_slot_id_by_port(struct usb_hcd *hcd, struct xhci_hcd *xhci,
int i;
enum usb_device_speed speed;
+ /* 'hcd_portnum' is zero-based, thus convert one-based 'port' to zero-based */
+ port -= 1;
slot_id = 0;
for (i = 0; i < MAX_HC_SLOTS; i++) {
if (!xhci->devs[i] || !xhci->devs[i]->udev)
continue;
speed = xhci->devs[i]->udev->speed;
if (((speed >= USB_SPEED_SUPER) == (hcd->speed >= HCD_USB3))
- && xhci->devs[i]->fake_port == port) {
+ && xhci->devs[i]->rhub_port->hcd_portnum == port) {
slot_id = i;
break;
}
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 92160b96d4c0c..9fa68fa17ac77 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -789,15 +789,14 @@ static void xhci_free_tt_info(struct xhci_hcd *xhci,
bool slot_found = false;
/* If the device never made it past the Set Address stage,
- * it may not have the real_port set correctly.
+ * it may not have the root hub port pointer set correctly.
*/
- if (virt_dev->real_port == 0 ||
- virt_dev->real_port > HCS_MAX_PORTS(xhci->hcs_params1)) {
- xhci_dbg(xhci, "Bad real port.\n");
+ if (!virt_dev->rhub_port) {
+ xhci_dbg(xhci, "Bad rhub port.\n");
return;
}
- tt_list_head = &(xhci->rh_bw[virt_dev->real_port - 1].tts);
+ tt_list_head = &(xhci->rh_bw[virt_dev->rhub_port->hw_portnum].tts);
list_for_each_entry_safe(tt_info, next, tt_list_head, tt_list) {
/* Multi-TT hubs will have more than one entry */
if (tt_info->slot_id == slot_id) {
@@ -834,7 +833,7 @@ int xhci_alloc_tt_info(struct xhci_hcd *xhci,
goto free_tts;
INIT_LIST_HEAD(&tt_info->tt_list);
list_add(&tt_info->tt_list,
- &xhci->rh_bw[virt_dev->real_port - 1].tts);
+ &xhci->rh_bw[virt_dev->rhub_port->hw_portnum].tts);
tt_info->slot_id = virt_dev->udev->slot_id;
if (tt->multi)
tt_info->ttport = i+1;
@@ -929,13 +928,12 @@ static void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_i
if (!vdev)
return;
- if (vdev->real_port == 0 ||
- vdev->real_port > HCS_MAX_PORTS(xhci->hcs_params1)) {
- xhci_dbg(xhci, "Bad vdev->real_port.\n");
+ if (!vdev->rhub_port) {
+ xhci_dbg(xhci, "Bad rhub port.\n");
goto out;
}
- tt_list_head = &(xhci->rh_bw[vdev->real_port - 1].tts);
+ tt_list_head = &(xhci->rh_bw[vdev->rhub_port->hw_portnum].tts);
list_for_each_entry_safe(tt_info, next, tt_list_head, tt_list) {
/* is this a hub device that added a tt_info to the tts list */
if (tt_info->slot_id == slot_id) {
@@ -1082,7 +1080,6 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
struct xhci_virt_device *dev;
struct xhci_ep_ctx *ep0_ctx;
struct xhci_slot_ctx *slot_ctx;
- struct xhci_port *rhub_port;
u32 max_packets;
dev = xhci->devs[udev->slot_id];
@@ -1124,14 +1121,12 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
return -EINVAL;
}
/* Find the root hub port this device is under */
- rhub_port = xhci_find_rhub_port(xhci, udev);
- if (!rhub_port)
+ dev->rhub_port = xhci_find_rhub_port(xhci, udev);
+ if (!dev->rhub_port)
return -EINVAL;
- dev->real_port = rhub_port->hw_portnum + 1;
- dev->fake_port = rhub_port->hcd_portnum + 1;
- slot_ctx->dev_info2 |= cpu_to_le32(ROOT_HUB_PORT(dev->real_port));
- xhci_dbg(xhci, "Set root hub portnum to %d\n", dev->real_port);
- xhci_dbg(xhci, "Set fake root hub portnum to %d\n", dev->fake_port);
+ slot_ctx->dev_info2 |= cpu_to_le32(ROOT_HUB_PORT(dev->rhub_port->hw_portnum + 1));
+ xhci_dbg(xhci, "Slot ID %d: HW portnum %d, hcd portnum %d\n",
+ udev->slot_id, dev->rhub_port->hw_portnum, dev->rhub_port->hcd_portnum);
/* Find the right bandwidth table that this device will be a part of.
* If this is a full speed device attached directly to a root port (or a
@@ -1140,12 +1135,12 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
* will never be created for the HS root hub.
*/
if (!udev->tt || !udev->tt->hub->parent) {
- dev->bw_table = &xhci->rh_bw[dev->real_port - 1].bw_table;
+ dev->bw_table = &xhci->rh_bw[dev->rhub_port->hw_portnum].bw_table;
} else {
struct xhci_root_port_bw_info *rh_bw;
struct xhci_tt_bw_info *tt_bw;
- rh_bw = &xhci->rh_bw[dev->real_port - 1];
+ rh_bw = &xhci->rh_bw[dev->rhub_port->hw_portnum];
/* Find the right TT. */
list_for_each_entry(tt_bw, &rh_bw->tts, tt_list) {
if (tt_bw->slot_id != udev->tt->hub->slot_id)
diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c
index 61f3f8bbdcead..27eb384a39634 100644
--- a/drivers/usb/host/xhci-mtk-sch.c
+++ b/drivers/usb/host/xhci-mtk-sch.c
@@ -122,10 +122,6 @@ static u32 get_bw_boundary(enum usb_device_speed speed)
* each HS root port is treated as a single bandwidth domain,
* but each SS root port is treated as two bandwidth domains, one for IN eps,
* one for OUT eps.
-* @real_port value is defined as follow according to xHCI spec:
-* 1 for SSport0, ..., N+1 for SSportN, N+2 for HSport0, N+3 for HSport1, etc
-* so the bandwidth domain array is organized as follow for simplification:
-* SSport0-OUT, SSport0-IN, ..., SSportX-OUT, SSportX-IN, HSport0, ..., HSportY
*/
static struct mu3h_sch_bw_info *
get_bw_info(struct xhci_hcd_mtk *mtk, struct usb_device *udev,
@@ -136,19 +132,19 @@ get_bw_info(struct xhci_hcd_mtk *mtk, struct usb_device *udev,
int bw_index;
virt_dev = xhci->devs[udev->slot_id];
- if (!virt_dev->real_port) {
- WARN_ONCE(1, "%s invalid real_port\n", dev_name(&udev->dev));
+ if (!virt_dev->rhub_port) {
+ WARN_ONCE(1, "%s invalid rhub port\n", dev_name(&udev->dev));
return NULL;
}
if (udev->speed >= USB_SPEED_SUPER) {
if (usb_endpoint_dir_out(&ep->desc))
- bw_index = (virt_dev->real_port - 1) * 2;
+ bw_index = (virt_dev->rhub_port->hw_portnum) * 2;
else
- bw_index = (virt_dev->real_port - 1) * 2 + 1;
+ bw_index = (virt_dev->rhub_port->hw_portnum) * 2 + 1;
} else {
/* add one more for each SS port */
- bw_index = virt_dev->real_port + xhci->usb3_rhub.num_ports - 1;
+ bw_index = virt_dev->rhub_port->hw_portnum + xhci->usb3_rhub.num_ports;
}
return &mtk->sch_array[bw_index];
diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h
index ac47b1c0544a6..1740000d54c29 100644
--- a/drivers/usb/host/xhci-trace.h
+++ b/drivers/usb/host/xhci-trace.h
@@ -172,8 +172,8 @@ DECLARE_EVENT_CLASS(xhci_log_free_virt_dev,
__field(void *, vdev)
__field(unsigned long long, out_ctx)
__field(unsigned long long, in_ctx)
- __field(u8, fake_port)
- __field(u8, real_port)
+ __field(int, hcd_portnum)
+ __field(int, hw_portnum)
__field(u16, current_mel)
),
@@ -181,13 +181,13 @@ DECLARE_EVENT_CLASS(xhci_log_free_virt_dev,
__entry->vdev = vdev;
__entry->in_ctx = (unsigned long long) vdev->in_ctx->dma;
__entry->out_ctx = (unsigned long long) vdev->out_ctx->dma;
- __entry->fake_port = (u8) vdev->fake_port;
- __entry->real_port = (u8) vdev->real_port;
+ __entry->hcd_portnum = (int) vdev->rhub_port->hcd_portnum;
+ __entry->hw_portnum = (int) vdev->rhub_port->hw_portnum;
__entry->current_mel = (u16) vdev->current_mel;
),
- TP_printk("vdev %p ctx %llx | %llx fake_port %d real_port %d current_mel %d",
+ TP_printk("vdev %p ctx %llx | %llx hcd_portnum %d hw_portnum %d current_mel %d",
__entry->vdev, __entry->in_ctx, __entry->out_ctx,
- __entry->fake_port, __entry->real_port, __entry->current_mel
+ __entry->hcd_portnum, __entry->hw_portnum, __entry->current_mel
)
);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index b405b8236134c..c50d5881e214b 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -2273,7 +2273,7 @@ static int xhci_check_tt_bw_table(struct xhci_hcd *xhci,
struct xhci_tt_bw_info *tt_info;
/* Find the bandwidth table for the root port this TT is attached to. */
- bw_table = &xhci->rh_bw[virt_dev->real_port - 1].bw_table;
+ bw_table = &xhci->rh_bw[virt_dev->rhub_port->hw_portnum].bw_table;
tt_info = virt_dev->tt_info;
/* If this TT already had active endpoints, the bandwidth for this TT
* has already been added. Removing all periodic endpoints (and thus
@@ -2391,7 +2391,7 @@ static int xhci_check_bw_table(struct xhci_hcd *xhci,
if (virt_dev->tt_info) {
xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
"Recalculating BW for rootport %u",
- virt_dev->real_port);
+ virt_dev->rhub_port->hw_portnum + 1);
if (xhci_check_tt_bw_table(xhci, virt_dev, old_active_eps)) {
xhci_warn(xhci, "Not enough bandwidth on HS bus for "
"newly activated TT.\n");
@@ -2404,7 +2404,7 @@ static int xhci_check_bw_table(struct xhci_hcd *xhci,
} else {
xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
"Recalculating BW for rootport %u",
- virt_dev->real_port);
+ virt_dev->rhub_port->hw_portnum + 1);
}
/* Add in how much bandwidth will be used for interval zero, or the
@@ -2501,14 +2501,12 @@ static int xhci_check_bw_table(struct xhci_hcd *xhci,
bw_used += overhead + packet_size;
if (!virt_dev->tt_info && virt_dev->udev->speed == USB_SPEED_HIGH) {
- unsigned int port_index = virt_dev->real_port - 1;
-
/* OK, we're manipulating a HS device attached to a
* root port bandwidth domain. Include the number of active TTs
* in the bandwidth used.
*/
bw_used += TT_HS_OVERHEAD *
- xhci->rh_bw[port_index].num_active_tts;
+ xhci->rh_bw[virt_dev->rhub_port->hw_portnum].num_active_tts;
}
xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
@@ -2695,7 +2693,7 @@ void xhci_update_tt_active_eps(struct xhci_hcd *xhci,
if (!virt_dev->tt_info)
return;
- rh_bw_info = &xhci->rh_bw[virt_dev->real_port - 1];
+ rh_bw_info = &xhci->rh_bw[virt_dev->rhub_port->hw_portnum];
if (old_active_eps == 0 &&
virt_dev->tt_info->active_eps != 0) {
rh_bw_info->num_active_tts += 1;
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 6e09b9130fae0..634ab517a7769 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -739,8 +739,7 @@ struct xhci_virt_device {
/* Used for addressing devices and configuration changes */
struct xhci_container_ctx *in_ctx;
struct xhci_virt_ep eps[EP_CTX_PER_DEV];
- u8 fake_port;
- u8 real_port;
+ struct xhci_port *rhub_port;
struct xhci_interval_bw_table *bw_table;
struct xhci_tt_bw_info *tt_info;
/*
--
GitLab
From 74151b5349266bd1a3a8307a05449a22bf0ba9de Mon Sep 17 00:00:00 2001
From: Niklas Neronin <niklas.neronin@intel.com>
Date: Thu, 29 Feb 2024 16:14:32 +0200
Subject: [PATCH 0771/2686] xhci: save slot ID in struct 'xhci_port'
Slot ID is a index of a virtual device in struct 'xhci_hcd->devs[]'.
Previously, to get the slot ID associated with a port, we had to loop
through all devices and compare ports, which is very inefficient.
Instead, the slot ID (of the device which is directly connected to the
port), is added to the its corresponding 'xhci_port' struct. As a result,
finding the port's device is quick and easy.
Function 'xhci_find_slot_id_by_port()' is removed, as it is no longer
needed.
Signed-off-by: Niklas Neronin <niklas.neronin@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240229141438.619372-4-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-hub.c | 71 ++++++------------------------------
drivers/usb/host/xhci-mem.c | 5 +++
drivers/usb/host/xhci-pci.c | 10 ++---
drivers/usb/host/xhci-ring.c | 11 ++----
drivers/usb/host/xhci.h | 4 +-
5 files changed, 26 insertions(+), 75 deletions(-)
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 37128a777a58e..61f083de6e196 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -448,40 +448,6 @@ u32 xhci_port_state_to_neutral(u32 state)
}
EXPORT_SYMBOL_GPL(xhci_port_state_to_neutral);
-/**
- * xhci_find_slot_id_by_port() - Find slot id of a usb device on a roothub port
- * @hcd: pointer to hcd of the roothub
- * @xhci: pointer to xhci structure
- * @port: one-based port number of the port in this roothub.
- *
- * Return: Slot id of the usb device connected to the root port, 0 if not found
- */
-
-int xhci_find_slot_id_by_port(struct usb_hcd *hcd, struct xhci_hcd *xhci,
- u16 port)
-{
- int slot_id;
- int i;
- enum usb_device_speed speed;
-
- /* 'hcd_portnum' is zero-based, thus convert one-based 'port' to zero-based */
- port -= 1;
- slot_id = 0;
- for (i = 0; i < MAX_HC_SLOTS; i++) {
- if (!xhci->devs[i] || !xhci->devs[i]->udev)
- continue;
- speed = xhci->devs[i]->udev->speed;
- if (((speed >= USB_SPEED_SUPER) == (hcd->speed >= HCD_USB3))
- && xhci->devs[i]->rhub_port->hcd_portnum == port) {
- slot_id = i;
- break;
- }
- }
-
- return slot_id;
-}
-EXPORT_SYMBOL_GPL(xhci_find_slot_id_by_port);
-
/*
* Stop device
* It issues stop endpoint command for EP 0 to 30. And wait the last command
@@ -932,7 +898,6 @@ static int xhci_handle_usb2_port_link_resume(struct xhci_port *port,
struct xhci_bus_state *bus_state;
struct xhci_hcd *xhci;
struct usb_hcd *hcd;
- int slot_id;
u32 wIndex;
hcd = port->rhub->hcd;
@@ -988,13 +953,11 @@ static int xhci_handle_usb2_port_link_resume(struct xhci_port *port,
spin_lock_irqsave(&xhci->lock, *flags);
if (time_left) {
- slot_id = xhci_find_slot_id_by_port(hcd, xhci,
- wIndex + 1);
- if (!slot_id) {
+ if (!port->slot_id) {
xhci_dbg(xhci, "slot_id is zero\n");
return -ENODEV;
}
- xhci_ring_device(xhci, slot_id);
+ xhci_ring_device(xhci, port->slot_id);
} else {
int port_status = readl(port->addr);
@@ -1204,7 +1167,6 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
unsigned long flags;
u32 temp, status;
int retval = 0;
- int slot_id;
struct xhci_bus_state *bus_state;
u16 link_state = 0;
u16 wake_mask = 0;
@@ -1334,15 +1296,13 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
goto error;
}
- slot_id = xhci_find_slot_id_by_port(hcd, xhci,
- portnum1);
- if (!slot_id) {
+ if (!port->slot_id) {
xhci_warn(xhci, "slot_id is zero\n");
goto error;
}
/* unlock to execute stop endpoint commands */
spin_unlock_irqrestore(&xhci->lock, flags);
- xhci_stop_device(xhci, slot_id, 1);
+ xhci_stop_device(xhci, port->slot_id, 1);
spin_lock_irqsave(&xhci->lock, flags);
xhci_set_link_state(xhci, port, XDEV_U3);
@@ -1465,14 +1425,12 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
if (link_state == USB_SS_PORT_LS_U3) {
int retries = 16;
- slot_id = xhci_find_slot_id_by_port(hcd, xhci,
- portnum1);
- if (slot_id) {
+ if (port->slot_id) {
/* unlock to execute stop endpoint
* commands */
spin_unlock_irqrestore(&xhci->lock,
flags);
- xhci_stop_device(xhci, slot_id, 1);
+ xhci_stop_device(xhci, port->slot_id, 1);
spin_lock_irqsave(&xhci->lock, flags);
}
xhci_set_link_state(xhci, port, USB_SS_PORT_LS_U3);
@@ -1586,13 +1544,11 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
}
bus_state->port_c_suspend |= 1 << wIndex;
- slot_id = xhci_find_slot_id_by_port(hcd, xhci,
- portnum1);
- if (!slot_id) {
+ if (!port->slot_id) {
xhci_dbg(xhci, "slot_id is zero\n");
goto error;
}
- xhci_ring_device(xhci, slot_id);
+ xhci_ring_device(xhci, port->slot_id);
break;
case USB_PORT_FEAT_C_SUSPEND:
bus_state->port_c_suspend &= ~(1 << wIndex);
@@ -1823,10 +1779,7 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
if (!portsc_buf[port_index])
continue;
if (test_bit(port_index, &bus_state->bus_suspended)) {
- int slot_id;
-
- slot_id = xhci_find_slot_id_by_port(hcd, xhci,
- port_index + 1);
+ int slot_id = ports[port_index]->slot_id;
if (slot_id) {
spin_unlock_irqrestore(&xhci->lock, flags);
xhci_stop_device(xhci, slot_id, 1);
@@ -1879,7 +1832,6 @@ int xhci_bus_resume(struct usb_hcd *hcd)
struct xhci_bus_state *bus_state;
unsigned long flags;
int max_ports, port_index;
- int slot_id;
int sret;
u32 next_state;
u32 temp, portsc;
@@ -1972,9 +1924,8 @@ int xhci_bus_resume(struct usb_hcd *hcd)
continue;
}
xhci_test_and_clear_bit(xhci, ports[port_index], PORT_PLC);
- slot_id = xhci_find_slot_id_by_port(hcd, xhci, port_index + 1);
- if (slot_id)
- xhci_ring_device(xhci, slot_id);
+ if (ports[port_index]->slot_id)
+ xhci_ring_device(xhci, ports[port_index]->slot_id);
}
(void) readl(&xhci->op_regs->command);
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 9fa68fa17ac77..c4b3e425bd191 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -907,6 +907,8 @@ void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id)
if (dev->udev && dev->udev->slot_id)
dev->udev->slot_id = 0;
+ if (dev->rhub_port && dev->rhub_port->slot_id == slot_id)
+ dev->rhub_port->slot_id = 0;
kfree(xhci->devs[slot_id]);
xhci->devs[slot_id] = NULL;
}
@@ -1124,6 +1126,9 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
dev->rhub_port = xhci_find_rhub_port(xhci, udev);
if (!dev->rhub_port)
return -EINVAL;
+ /* Slot ID is set to the device directly below the root hub */
+ if (!udev->parent->parent)
+ dev->rhub_port->slot_id = udev->slot_id;
slot_ctx->dev_info2 |= cpu_to_le32(ROOT_HUB_PORT(dev->rhub_port->hw_portnum + 1));
xhci_dbg(xhci, "Slot ID %d: HW portnum %d, hcd portnum %d\n",
udev->slot_id, dev->rhub_port->hw_portnum, dev->rhub_port->hcd_portnum);
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index b534ca9752be4..1843f3d5b1e60 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -820,7 +820,6 @@ static int xhci_pci_poweroff_late(struct usb_hcd *hcd, bool do_wakeup)
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
struct xhci_port *port;
struct usb_device *udev;
- unsigned int slot_id;
u32 portsc;
int i;
@@ -843,15 +842,14 @@ static int xhci_pci_poweroff_late(struct usb_hcd *hcd, bool do_wakeup)
if ((portsc & PORT_PLS_MASK) != XDEV_U3)
continue;
- slot_id = xhci_find_slot_id_by_port(port->rhub->hcd, xhci,
- port->hcd_portnum + 1);
- if (!slot_id || !xhci->devs[slot_id]) {
+ if (!port->slot_id || !xhci->devs[port->slot_id]) {
xhci_err(xhci, "No dev for slot_id %d for port %d-%d in U3\n",
- slot_id, port->rhub->hcd->self.busnum, port->hcd_portnum + 1);
+ port->slot_id, port->rhub->hcd->self.busnum,
+ port->hcd_portnum + 1);
continue;
}
- udev = xhci->devs[slot_id]->udev;
+ udev = xhci->devs[port->slot_id]->udev;
/* if wakeup is enabled then don't disable the port */
if (udev->do_remote_wakeup && do_wakeup)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index d4a28ac4967fb..95ed26114ee8b 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1870,7 +1870,6 @@ static void handle_port_status(struct xhci_hcd *xhci,
u32 port_id;
u32 portsc, cmd_reg;
int max_ports;
- int slot_id;
unsigned int hcd_portnum;
struct xhci_bus_state *bus_state;
bool bogus_port_status = false;
@@ -1922,9 +1921,8 @@ static void handle_port_status(struct xhci_hcd *xhci,
if (hcd->speed >= HCD_USB3 &&
(portsc & PORT_PLS_MASK) == XDEV_INACTIVE) {
- slot_id = xhci_find_slot_id_by_port(hcd, xhci, hcd_portnum + 1);
- if (slot_id && xhci->devs[slot_id])
- xhci->devs[slot_id]->flags |= VDEV_PORT_ERROR;
+ if (port->slot_id && xhci->devs[port->slot_id])
+ xhci->devs[port->slot_id]->flags |= VDEV_PORT_ERROR;
}
if ((portsc & PORT_PLC) && (portsc & PORT_PLS_MASK) == XDEV_RESUME) {
@@ -1982,9 +1980,8 @@ static void handle_port_status(struct xhci_hcd *xhci,
* so the roothub behavior is consistent with external
* USB 3.0 hub behavior.
*/
- slot_id = xhci_find_slot_id_by_port(hcd, xhci, hcd_portnum + 1);
- if (slot_id && xhci->devs[slot_id])
- xhci_ring_device(xhci, slot_id);
+ if (port->slot_id && xhci->devs[port->slot_id])
+ xhci_ring_device(xhci, port->slot_id);
if (bus_state->port_remote_wakeup & (1 << hcd_portnum)) {
xhci_test_and_clear_bit(xhci, port, PORT_PLC);
usb_wakeup_notification(hcd->self.root_hub,
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 634ab517a7769..6f4bf98a62824 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1462,6 +1462,8 @@ struct xhci_port {
unsigned int lpm_incapable:1;
unsigned long resume_timestamp;
bool rexit_active;
+ /* Slot ID is the index of the device directly connected to the port */
+ int slot_id;
struct completion rexit_done;
struct completion u3exit_done;
};
@@ -1944,8 +1946,6 @@ unsigned long xhci_get_resuming_ports(struct usb_hcd *hcd);
#endif /* CONFIG_PM */
u32 xhci_port_state_to_neutral(u32 state);
-int xhci_find_slot_id_by_port(struct usb_hcd *hcd, struct xhci_hcd *xhci,
- u16 port);
void xhci_ring_device(struct xhci_hcd *xhci, int slot_id);
/* xHCI contexts */
--
GitLab
From 00bdc4a34b2885f54468d4bdbb56d4055ce20ac9 Mon Sep 17 00:00:00 2001
From: Niklas Neronin <niklas.neronin@linux.intel.com>
Date: Thu, 29 Feb 2024 16:14:33 +0200
Subject: [PATCH 0772/2686] usb: xhci: remove duplicate code from
'xhci_clear_command_ring()'
Replace a segment of code within 'xhci_clear_command_ring()' with a
function call to 'xhci_initialize_ring_info()'. This change eliminates
code duplication, as 'xhci_initialize_ring_info()' performs the same
operations as the replaced code.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240229141438.619372-5-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci.c | 14 +-------------
1 file changed, 1 insertion(+), 13 deletions(-)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index c50d5881e214b..5d70e0176527e 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -794,19 +794,7 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci)
seg = seg->next;
} while (seg != ring->deq_seg);
- /* Reset the software enqueue and dequeue pointers */
- ring->deq_seg = ring->first_seg;
- ring->dequeue = ring->first_seg->trbs;
- ring->enq_seg = ring->deq_seg;
- ring->enqueue = ring->dequeue;
-
- ring->num_trbs_free = ring->num_segs * (TRBS_PER_SEGMENT - 1) - 1;
- /*
- * Ring is now zeroed, so the HW should look for change of ownership
- * when the cycle bit is set to 1.
- */
- ring->cycle_state = 1;
-
+ xhci_initialize_ring_info(ring, 1);
/*
* Reset the hardware dequeue pointer.
* Yes, this will need to be re-written after resume, but we're paranoid
--
GitLab
From 2e8dd2ded2a18c9ef83ad1c84547948fc64b6155 Mon Sep 17 00:00:00 2001
From: Niklas Neronin <niklas.neronin@linux.intel.com>
Date: Thu, 29 Feb 2024 16:14:34 +0200
Subject: [PATCH 0773/2686] usb: xhci: utilize 'xhci_free_segments_for_ring()'
for freeing segments
Refactor the code to improve readability by using
'xhci_free_segments_for_ring()' function for freeing ring segments.
This replaces the custom while loop previously used within
'xhci_ring_expansion()' and 'xhci_alloc_segments_for_ring()'.
Slightly modify 'xhci_free_segments_for_ring()' to handle lists
which do not loop. This makes it possible to use it in error
paths of 'xhci_alloc_segments_for_ring()'.
This change also prepares for switching the custom xhci linked segment
list into to more standard list.h lists.
[minor commit message rewording -Mathias]
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240229141438.619372-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-mem.c | 37 +++++++++++++++----------------------
1 file changed, 15 insertions(+), 22 deletions(-)
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index c4b3e425bd191..69dd866698833 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -84,7 +84,7 @@ static void xhci_free_segments_for_ring(struct xhci_hcd *xhci,
struct xhci_segment *seg;
seg = first->next;
- while (seg != first) {
+ while (seg && seg != first) {
struct xhci_segment *next = seg->next;
xhci_segment_free(xhci, seg);
seg = next;
@@ -351,17 +351,10 @@ static int xhci_alloc_segments_for_ring(struct xhci_hcd *xhci,
next = xhci_segment_alloc(xhci, cycle_state, max_packet, num,
flags);
- if (!next) {
- prev = *first;
- while (prev) {
- next = prev->next;
- xhci_segment_free(xhci, prev);
- prev = next;
- }
- return -ENOMEM;
- }
- xhci_link_segments(prev, next, type, chain_links);
+ if (!next)
+ goto free_segments;
+ xhci_link_segments(prev, next, type, chain_links);
prev = next;
num++;
}
@@ -369,6 +362,10 @@ static int xhci_alloc_segments_for_ring(struct xhci_hcd *xhci,
*last = prev;
return 0;
+
+free_segments:
+ xhci_free_segments_for_ring(xhci, *first);
+ return -ENOMEM;
}
/*
@@ -444,19 +441,11 @@ int xhci_ring_expansion(struct xhci_hcd *xhci, struct xhci_ring *ring,
if (ret)
return -ENOMEM;
- if (ring->type == TYPE_STREAM)
+ if (ring->type == TYPE_STREAM) {
ret = xhci_update_stream_segment_mapping(ring->trb_address_map,
ring, first, last, flags);
- if (ret) {
- struct xhci_segment *next;
- do {
- next = first->next;
- xhci_segment_free(xhci, first);
- if (first == last)
- break;
- first = next;
- } while (true);
- return ret;
+ if (ret)
+ goto free_segments;
}
xhci_link_rings(xhci, ring, first, last, num_new_segs);
@@ -466,6 +455,10 @@ int xhci_ring_expansion(struct xhci_hcd *xhci, struct xhci_ring *ring,
ring->num_segs);
return 0;
+
+free_segments:
+ xhci_free_segments_for_ring(xhci, first);
+ return ret;
}
struct xhci_container_ctx *xhci_alloc_container_ctx(struct xhci_hcd *xhci,
--
GitLab
From 91edf5a0c2fb3c1f59b709c5cda34b5f765be458 Mon Sep 17 00:00:00 2001
From: Michal Pecio <michal.pecio@gmail.com>
Date: Thu, 29 Feb 2024 16:14:35 +0200
Subject: [PATCH 0774/2686] xhci: fix matching completion events with TDs
A trb_in_td() call is used to determine if a completion event matches
any TRB of the currently executing TD. This function is told to start
searching right after the last finished TD, which is not at all where
the currently expected TD is guaranteed to begin, because some TDs in
between may have been cancelled.
Not only is a pointless work performed, but a bug resulting in the HC
executing cancelled TDs was seen to trick the driver into associating
events from a TD just cancelled with an unrelated future TD.
Since the ring is being traversed for the specific purpose of finding
a match with the current TD, always start from its first TRB. This is
the most reliable bit of information that we posses.
Tracking of HC's work progress is not affected, except for cases when
a misattributed event would have moved dequeue past a pending TD.
Signed-off-by: Michal Pecio <michal.pecio@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240229141438.619372-7-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-ring.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 95ed26114ee8b..b2116501048cd 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2813,7 +2813,7 @@ static int handle_tx_event(struct xhci_hcd *xhci,
td_num--;
/* Is this a TRB in the currently executing TD? */
- ep_seg = trb_in_td(xhci, ep_ring->deq_seg, ep_ring->dequeue,
+ ep_seg = trb_in_td(xhci, td->start_seg, td->first_trb,
td->last_trb, ep_trb_dma, false);
/*
@@ -2881,9 +2881,8 @@ static int handle_tx_event(struct xhci_hcd *xhci,
"part of current TD ep_index %d "
"comp_code %u\n", ep_index,
trb_comp_code);
- trb_in_td(xhci, ep_ring->deq_seg,
- ep_ring->dequeue, td->last_trb,
- ep_trb_dma, true);
+ trb_in_td(xhci, td->start_seg, td->first_trb,
+ td->last_trb, ep_trb_dma, true);
return -ESHUTDOWN;
}
}
--
GitLab
From fd9d55d190c0e5fefd3a9165ea361809427885a1 Mon Sep 17 00:00:00 2001
From: Michal Pecio <michal.pecio@gmail.com>
Date: Thu, 29 Feb 2024 16:14:36 +0200
Subject: [PATCH 0775/2686] xhci: retry Stop Endpoint on buggy NEC controllers
Two NEC uPD720200 adapters have been observed to randomly misbehave:
a Stop Endpoint command fails with Context Error, the Output Context
indicates Stopped state, and the endpoint keeps running. Very often,
Set TR Dequeue Pointer is seen to fail next with Context Error too,
in addition to problems from unexpectedly completed cancelled work.
The pathology is common on fast running isoc endpoints like uvcvideo,
but has also been reproduced on a full-speed bulk endpoint of pl2303.
It seems all EPs are affected, with risk proportional to their load.
Reproduction involves receiving any kind of stream and closing it to
make the device driver cancel URBs already queued in advance.
Deal with it by retrying the command like in the Running state.
Signed-off-by: Michal Pecio <michal.pecio@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240229141438.619372-8-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-ring.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index b2116501048cd..6a29ebd6682d6 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1154,6 +1154,15 @@ static void xhci_handle_cmd_stop_ep(struct xhci_hcd *xhci, int slot_id,
break;
ep->ep_state &= ~EP_STOP_CMD_PENDING;
return;
+ case EP_STATE_STOPPED:
+ /*
+ * NEC uPD720200 sometimes sets this state and fails with
+ * Context Error while continuing to process TRBs.
+ * Be conservative and trust EP_CTX_STATE on other chips.
+ */
+ if (!(xhci->quirks & XHCI_NEC_HOST))
+ break;
+ fallthrough;
case EP_STATE_RUNNING:
/* Race, HW handled stop ep cmd before ep was running */
xhci_dbg(xhci, "Stop ep completion ctx error, ep is running\n");
--
GitLab
From fb18e5bb96603cc79d97f03e4c05f3992cf28624 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Thu, 29 Feb 2024 16:14:37 +0200
Subject: [PATCH 0776/2686] xhci: dbc: poll at different rate depending on data
transfer activity
DbC driver starts polling for events immediately when DbC is enabled.
The current polling interval is 1ms, which keeps the CPU busy, impacting
power management even when there are no active data transfers.
Solve this by polling at a slower rate, with a 64ms interval as default
until a transfer request is queued, or if there are still are pending
unhandled transfers at event completion.
Tested-by: Uday M Bhat <uday.m.bhat@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240229141438.619372-9-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-dbgcap.c | 13 +++++++++++--
drivers/usb/host/xhci-dbgcap.h | 2 ++
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index d82935d31126d..8a9869ef0db66 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -634,7 +634,8 @@ static int xhci_dbc_start(struct xhci_dbc *dbc)
return ret;
}
- return mod_delayed_work(system_wq, &dbc->event_work, 1);
+ return mod_delayed_work(system_wq, &dbc->event_work,
+ msecs_to_jiffies(dbc->poll_interval));
}
static void xhci_dbc_stop(struct xhci_dbc *dbc)
@@ -899,8 +900,10 @@ static void xhci_dbc_handle_events(struct work_struct *work)
enum evtreturn evtr;
struct xhci_dbc *dbc;
unsigned long flags;
+ unsigned int poll_interval;
dbc = container_of(to_delayed_work(work), struct xhci_dbc, event_work);
+ poll_interval = dbc->poll_interval;
spin_lock_irqsave(&dbc->lock, flags);
evtr = xhci_dbc_do_handle_events(dbc);
@@ -916,13 +919,18 @@ static void xhci_dbc_handle_events(struct work_struct *work)
dbc->driver->disconnect(dbc);
break;
case EVT_DONE:
+ /* set fast poll rate if there are pending data transfers */
+ if (!list_empty(&dbc->eps[BULK_OUT].list_pending) ||
+ !list_empty(&dbc->eps[BULK_IN].list_pending))
+ poll_interval = 1;
break;
default:
dev_info(dbc->dev, "stop handling dbc events\n");
return;
}
- mod_delayed_work(system_wq, &dbc->event_work, 1);
+ mod_delayed_work(system_wq, &dbc->event_work,
+ msecs_to_jiffies(poll_interval));
}
static const char * const dbc_state_strings[DS_MAX] = {
@@ -1175,6 +1183,7 @@ xhci_alloc_dbc(struct device *dev, void __iomem *base, const struct dbc_driver *
dbc->idVendor = DBC_VENDOR_ID;
dbc->bcdDevice = DBC_DEVICE_REV;
dbc->bInterfaceProtocol = DBC_PROTOCOL;
+ dbc->poll_interval = DBC_POLL_INTERVAL_DEFAULT;
if (readl(&dbc->regs->control) & DBC_CTRL_DBC_ENABLE)
goto err;
diff --git a/drivers/usb/host/xhci-dbgcap.h b/drivers/usb/host/xhci-dbgcap.h
index e39e3ae1677ae..92661b555c2a2 100644
--- a/drivers/usb/host/xhci-dbgcap.h
+++ b/drivers/usb/host/xhci-dbgcap.h
@@ -94,6 +94,7 @@ struct dbc_ep {
#define DBC_QUEUE_SIZE 16
#define DBC_WRITE_BUF_SIZE 8192
+#define DBC_POLL_INTERVAL_DEFAULT 64 /* milliseconds */
/*
* Private structure for DbC hardware state:
@@ -140,6 +141,7 @@ struct xhci_dbc {
enum dbc_state state;
struct delayed_work event_work;
+ unsigned int poll_interval; /* ms */
unsigned resume_required:1;
struct dbc_ep eps[2];
--
GitLab
From be95cc6d71dfd0cba66e3621c65413321b398052 Mon Sep 17 00:00:00 2001
From: Prashanth K <quic_prashk@quicinc.com>
Date: Thu, 29 Feb 2024 16:14:38 +0200
Subject: [PATCH 0777/2686] usb: xhci: Add error handling in
xhci_map_urb_for_dma
Currently xhci_map_urb_for_dma() creates a temporary buffer and copies
the SG list to the new linear buffer. But if the kzalloc_node() fails,
then the following sg_pcopy_to_buffer() can lead to crash since it
tries to memcpy to NULL pointer.
So return -ENOMEM if kzalloc returns null pointer.
Cc: stable@vger.kernel.org # 5.11
Fixes: 2017a1e58472 ("usb: xhci: Use temporary buffer to consolidate SG")
Signed-off-by: Prashanth K <quic_prashk@quicinc.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240229141438.619372-10-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 5d70e0176527e..8579603edaff1 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1219,6 +1219,8 @@ static int xhci_map_temp_buffer(struct usb_hcd *hcd, struct urb *urb)
temp = kzalloc_node(buf_len, GFP_ATOMIC,
dev_to_node(hcd->self.sysdev));
+ if (!temp)
+ return -ENOMEM;
if (usb_urb_dir_out(urb))
sg_pcopy_to_buffer(urb->sg, urb->num_sgs,
--
GitLab
From 9f2a3933beeaeead53829d3a7be53770e41e7869 Mon Sep 17 00:00:00 2001
From: Michal Pecio <michal.pecio@gmail.com>
Date: Sun, 18 Feb 2024 09:25:15 +0100
Subject: [PATCH 0778/2686] USB: document some API requirements on
disconnection
A call to usb_set_interface() crashes if the device is deallocated
concurrently, such as due to physical removal or a serious IO error.
It could also interfere with other drivers using the device if the
current driver is unbound before the call is finished.
Document the need to delay driver unbinding until this call returns,
which solves both issues.
Document the same regarding usb_clear_halt(), which is equally known
to be routinely called by drivers.
Explicitly mention finishing pending operations in the documentation
of the driver disconnect callback.
Signed-off-by: Michal Pecio <michal.pecio@gmail.com>
Link: https://lore.kernel.org/r/20240218092515.7635ff8c@foxbook
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/driver-api/usb/callbacks.rst | 6 ++++--
drivers/usb/core/message.c | 5 ++++-
2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/Documentation/driver-api/usb/callbacks.rst b/Documentation/driver-api/usb/callbacks.rst
index 2b80cf54bcc31..927da49b8f002 100644
--- a/Documentation/driver-api/usb/callbacks.rst
+++ b/Documentation/driver-api/usb/callbacks.rst
@@ -99,8 +99,10 @@ The disconnect() callback
This callback is a signal to break any connection with an interface.
You are not allowed any IO to a device after returning from this
callback. You also may not do any other operation that may interfere
-with another driver bound the interface, eg. a power management
-operation.
+with another driver bound to the interface, eg. a power management
+operation. Outstanding operations on the device must be completed or
+aborted before this callback may return.
+
If you are called due to a physical disconnection, all your URBs will be
killed by usbcore. Note that in this case disconnect will be called some
time after the physical disconnection. Thus your driver must be prepared
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 67316d271596d..d2b2787be4092 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1198,6 +1198,8 @@ EXPORT_SYMBOL_GPL(usb_get_status);
* same status code used to report a true stall.
*
* This call is synchronous, and may not be used in an interrupt context.
+ * If a thread in your driver uses this call, make sure your disconnect()
+ * method can wait for it to complete.
*
* Return: Zero on success, or else the status code returned by the
* underlying usb_control_msg() call.
@@ -1516,7 +1518,8 @@ void usb_enable_interface(struct usb_device *dev,
* This call is synchronous, and may not be used in an interrupt context.
* Also, drivers must not change altsettings while urbs are scheduled for
* endpoints in that interface; all such urbs must first be completed
- * (perhaps forced by unlinking).
+ * (perhaps forced by unlinking). If a thread in your driver uses this call,
+ * make sure your disconnect() method can wait for it to complete.
*
* Return: Zero on success, or else the status code returned by the
* underlying usb_control_msg() call.
--
GitLab
From 654298aeac7c78f44f00658738e5c77e685366af Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Tue, 20 Feb 2024 08:06:17 +0000
Subject: [PATCH 0779/2686] usb: cdns3: Fix spelling mistake "supporte" ->
"supported"
There is a spelling mistake in a dev_err message. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240220080617.2674613-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/cdns3/drd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
index ee917f1b091c8..8b936a2e93a0d 100644
--- a/drivers/usb/cdns3/drd.c
+++ b/drivers/usb/cdns3/drd.c
@@ -435,7 +435,7 @@ int cdns_drd_init(struct cdns *cdns)
writel(1, &cdns->otg_v1_regs->simulate);
cdns->version = CDNS3_CONTROLLER_V1;
} else {
- dev_err(cdns->dev, "not supporte DID=0x%08x\n", state);
+ dev_err(cdns->dev, "not supported DID=0x%08x\n", state);
return -EINVAL;
}
--
GitLab
From dfb953f891cf13f400be1eae96501b644b198360 Mon Sep 17 00:00:00 2001
From: Danila Tikhonov <danila@jiaxyga.com>
Date: Tue, 20 Feb 2024 23:21:46 +0300
Subject: [PATCH 0780/2686] dt-bindings: usb: qcom,pmic-typec: Add support for
the PM6150 PMIC
The PM6150 PMIC has the same Type-C register block as the PM8150B.
Define corresponding compatible string, having the qcom,pm8150b-vbus-reg
as a fallback.
Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240220202147.228911-2-danila@jiaxyga.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../devicetree/bindings/usb/qcom,pmic-typec.yaml | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml b/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml
index 6c0c6b3376930..976d1732137b1 100644
--- a/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml
+++ b/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml
@@ -14,9 +14,14 @@ description:
properties:
compatible:
- enum:
- - qcom,pmi632-typec
- - qcom,pm8150b-typec
+ oneOf:
+ - enum:
+ - qcom,pmi632-typec
+ - qcom,pm8150b-typec
+ - items:
+ - enum:
+ - qcom,pm6150-typec
+ - const: qcom,pm8150b-typec
connector:
type: object
--
GitLab
From f81c2f01cad632b2f707f5c9e68bd7699e9aa50e Mon Sep 17 00:00:00 2001
From: Danila Tikhonov <danila@jiaxyga.com>
Date: Tue, 20 Feb 2024 23:21:47 +0300
Subject: [PATCH 0781/2686] arm64: dts: qcom: pm6150: define USB-C related
blocks
Define VBUS regulator and the Type-C handling block as present on the
Qualcomm PM6150 PMIC.
Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240220202147.228911-3-danila@jiaxyga.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/arm64/boot/dts/qcom/pm6150.dtsi | 46 ++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/pm6150.dtsi b/arch/arm64/boot/dts/qcom/pm6150.dtsi
index ddbaf7280b030..11158c2bd5241 100644
--- a/arch/arm64/boot/dts/qcom/pm6150.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm6150.dtsi
@@ -63,6 +63,52 @@ pm6150_resin: resin {
};
};
+ pm6150_vbus: usb-vbus-regulator@1100 {
+ compatible = "qcom,pm6150-vbus-reg,
+ qcom,pm8150b-vbus-reg";
+ reg = <0x1100>;
+ status = "disabled";
+ };
+
+ pm6150_typec: typec@1500 {
+ compatible = "qcom,pm6150-typec,
+ qcom,pm8150b-typec";
+ reg = <0x1500>, <0x1700>;
+ interrupts = <0x0 0x15 0x00 IRQ_TYPE_EDGE_RISING>,
+ <0x0 0x15 0x01 IRQ_TYPE_EDGE_BOTH>,
+ <0x0 0x15 0x02 IRQ_TYPE_EDGE_RISING>,
+ <0x0 0x15 0x03 IRQ_TYPE_EDGE_BOTH>,
+ <0x0 0x15 0x04 IRQ_TYPE_EDGE_RISING>,
+ <0x0 0x15 0x05 IRQ_TYPE_EDGE_RISING>,
+ <0x0 0x15 0x06 IRQ_TYPE_EDGE_BOTH>,
+ <0x0 0x15 0x07 IRQ_TYPE_EDGE_RISING>,
+ <0x0 0x17 0x00 IRQ_TYPE_EDGE_RISING>,
+ <0x0 0x17 0x01 IRQ_TYPE_EDGE_RISING>,
+ <0x0 0x17 0x02 IRQ_TYPE_EDGE_RISING>,
+ <0x0 0x17 0x03 IRQ_TYPE_EDGE_RISING>,
+ <0x0 0x17 0x04 IRQ_TYPE_EDGE_RISING>,
+ <0x0 0x17 0x05 IRQ_TYPE_EDGE_RISING>,
+ <0x0 0x17 0x06 IRQ_TYPE_EDGE_RISING>,
+ <0x0 0x17 0x07 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "or-rid-detect-change",
+ "vpd-detect",
+ "cc-state-change",
+ "vconn-oc",
+ "vbus-change",
+ "attach-detach",
+ "legacy-cable-detect",
+ "try-snk-src-detect",
+ "sig-tx",
+ "sig-rx",
+ "msg-tx",
+ "msg-rx",
+ "msg-tx-failed",
+ "msg-tx-discarded",
+ "msg-rx-discarded",
+ "fr-swap";
+ status = "disabled";
+ };
+
pm6150_temp: temp-alarm@2400 {
compatible = "qcom,spmi-temp-alarm";
reg = <0x2400>;
--
GitLab
From 55c3d039e70cc7ae955f9713041ac70a1539f788 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <j4g8y7@gmail.com>
Date: Tue, 20 Feb 2024 20:22:18 +0100
Subject: [PATCH 0782/2686] dt-bindings: usb: qcom,dwc3: fix a typo in
interrupts' description
The correct interrupt name is 'hs_phy_irq' not 'hs_phY_irq'.
Signed-off-by: Gabor Juhos <j4g8y7@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240220-dt-bindins-qcom-dwc3-fix-typo-v1-1-742bf6e49641@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/usb/qcom,dwc3.yaml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
index 63d150b216c52..38a3404ec71bb 100644
--- a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
@@ -102,7 +102,7 @@ properties:
description: |
Different types of interrupts are used based on HS PHY used on target:
- pwr_event: Used for wakeup based on other power events.
- - hs_phY_irq: Apart from DP/DM/QUSB2 PHY interrupts, there is
+ - hs_phy_irq: Apart from DP/DM/QUSB2 PHY interrupts, there is
hs_phy_irq which is not triggered by default and its
functionality is mutually exclusive to that of
{dp/dm}_hs_phy_irq and qusb2_phy_irq.
--
GitLab
From 19e7b35d8a71d0f2dd0f97acbdbb40c2459cff9e Mon Sep 17 00:00:00 2001
From: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Date: Thu, 22 Feb 2024 20:44:51 +0300
Subject: [PATCH 0783/2686] powerpc: dts: akebono: Harmonize EHCI/OHCI DT nodes
name
In accordance with the Generic EHCI/OHCI bindings the corresponding node
name is suppose to comply with the Generic USB HCD DT schema, which
requires the USB nodes to have the name acceptable by the regexp:
"^usb(@.*)?" . Make sure the "generic-ehci" and "generic-ohci"-compatible
nodes are correctly named.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240222174456.25903-2-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/powerpc/boot/dts/akebono.dts | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/boot/dts/akebono.dts b/arch/powerpc/boot/dts/akebono.dts
index df18f8dc46428..343326c303802 100644
--- a/arch/powerpc/boot/dts/akebono.dts
+++ b/arch/powerpc/boot/dts/akebono.dts
@@ -126,7 +126,7 @@ SATA0: sata@30000010000 {
interrupts = <93 2>;
};
- EHCI0: ehci@30010000000 {
+ EHCI0: usb@30010000000 {
compatible = "ibm,476gtr-ehci", "generic-ehci";
reg = <0x300 0x10000000 0x0 0x10000>;
interrupt-parent = <&MPIC>;
@@ -140,14 +140,14 @@ SD0: sd@30000000000 {
interrupt-parent = <&MPIC>;
};
- OHCI0: ohci@30010010000 {
+ OHCI0: usb@30010010000 {
compatible = "ibm,476gtr-ohci", "generic-ohci";
reg = <0x300 0x10010000 0x0 0x10000>;
interrupt-parent = <&MPIC>;
interrupts = <89 1>;
};
- OHCI1: ohci@30010020000 {
+ OHCI1: usb@30010020000 {
compatible = "ibm,476gtr-ohci", "generic-ohci";
reg = <0x300 0x10020000 0x0 0x10000>;
interrupt-parent = <&MPIC>;
--
GitLab
From 73b5a5c00be39e23b194bad10e1ea8bb73eee176 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 19 Feb 2024 17:04:57 +0200
Subject: [PATCH 0784/2686] serial: 8250_exar: Don't remove GPIO device on
suspend
It seems a copy&paste mistake that suspend callback removes the GPIO
device. There is no counterpart of this action, means once suspended
there is no more GPIO device available untile full unbind-bind cycle
is performed. Remove suspicious GPIO device removal in suspend.
Fixes: d0aeaa83f0b0 ("serial: exar: split out the exar code from 8250_pci")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240219150627.2101198-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_exar.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index 23366f868ae3a..dab94835b6f5f 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -753,6 +753,7 @@ static void exar_pci_remove(struct pci_dev *pcidev)
for (i = 0; i < priv->nr; i++)
serial8250_unregister_port(priv->line[i]);
+ /* Ensure that every init quirk is properly torn down */
if (priv->board->exit)
priv->board->exit(pcidev);
}
@@ -767,10 +768,6 @@ static int __maybe_unused exar_suspend(struct device *dev)
if (priv->line[i] >= 0)
serial8250_suspend_port(priv->line[i]);
- /* Ensure that every init quirk is properly torn down */
- if (priv->board->exit)
- priv->board->exit(pcidev);
-
return 0;
}
--
GitLab
From 7a345dc19a7c01a04a2d7bcd79238389b0838b78 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 19 Feb 2024 17:04:58 +0200
Subject: [PATCH 0785/2686] serial: 8250_exar: Use dev_get_drvdata() directly
in PM callbacks
PM callbacks take struct device pointer as a parameter, use
dev_get_drvdata() to retrieve it instead of unneeded double
loop of referencing via pci_get_drvdata(to_pci_dev(dev)).
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240219150627.2101198-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_exar.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index dab94835b6f5f..5687b21b328d3 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -760,8 +760,7 @@ static void exar_pci_remove(struct pci_dev *pcidev)
static int __maybe_unused exar_suspend(struct device *dev)
{
- struct pci_dev *pcidev = to_pci_dev(dev);
- struct exar8250 *priv = pci_get_drvdata(pcidev);
+ struct exar8250 *priv = dev_get_drvdata(dev);
unsigned int i;
for (i = 0; i < priv->nr; i++)
--
GitLab
From 5bc430afeba5d5101765c1f1a4437a90218b00b9 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 19 Feb 2024 17:04:59 +0200
Subject: [PATCH 0786/2686] serial: 8250_exar: Clear interrupts before
registering handler
While now there is no issue if IRQ is fired before we clearing
the interrupts as the handler does the same, but strictly speaking
it might be problematic if IRQ handler wants to do something more.
Move clearing interrupt code to be called before registering the
IRQ handler.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240219150627.2101198-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_exar.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index 5687b21b328d3..9ab30d974e293 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -713,14 +713,14 @@ exar_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
uart.port.irq = pci_irq_vector(pcidev, 0);
uart.port.dev = &pcidev->dev;
+ /* Clear interrupts */
+ exar_misc_clear(priv);
+
rc = devm_request_irq(&pcidev->dev, uart.port.irq, exar_misc_handler,
IRQF_SHARED, "exar_uart", priv);
if (rc)
return rc;
- /* Clear interrupts */
- exar_misc_clear(priv);
-
for (i = 0; i < nr_ports && i < maxnr; i++) {
rc = board->setup(priv, pcidev, &uart, i);
if (rc) {
--
GitLab
From 73f76db8404b26d2257915f4cde25c6e00afed14 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 19 Feb 2024 17:05:00 +0200
Subject: [PATCH 0787/2686] serial: 8250_exar: Use generic function to set
firmware node
Use generic function to set firmware node instead of ACPI specific one.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240219150627.2101198-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_exar.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index 9ab30d974e293..cf3cd569c395f 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -6,12 +6,12 @@
*
* Copyright (C) 2017 Sudip Mukherjee, All Rights Reserved.
*/
-#include <linux/acpi.h>
#include <linux/dmi.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/serial_core.h>
#include <linux/serial_reg.h>
@@ -375,7 +375,7 @@ static struct platform_device *__xr17v35x_register_gpio(struct pci_dev *pcidev,
return NULL;
pdev->dev.parent = &pcidev->dev;
- ACPI_COMPANION_SET(&pdev->dev, ACPI_COMPANION(&pcidev->dev));
+ device_set_node(&pdev->dev, dev_fwnode(&pcidev->dev));
if (device_add_software_node(&pdev->dev, node) < 0 ||
platform_device_add(pdev) < 0) {
--
GitLab
From 82f9cefadac4e7e360bb1b4266c2e2d35a862425 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 19 Feb 2024 17:05:01 +0200
Subject: [PATCH 0788/2686] serial: 8250_exar: switch to
DEFINE_SIMPLE_DEV_PM_OPS()
SIMPLE_DEV_PM_OPS() is deprecated, replace it with DEFINE_SIMPLE_DEV_PM_OPS()
and use pm_sleep_ptr() for setting the driver's PM routines. We can now
remove the __maybe_unused qualifier in the suspend and resume functions.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240219150627.2101198-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_exar.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index cf3cd569c395f..cf00335d953f9 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
+#include <linux/pm.h>
#include <linux/property.h>
#include <linux/serial_core.h>
#include <linux/serial_reg.h>
@@ -758,7 +759,7 @@ static void exar_pci_remove(struct pci_dev *pcidev)
priv->board->exit(pcidev);
}
-static int __maybe_unused exar_suspend(struct device *dev)
+static int exar_suspend(struct device *dev)
{
struct exar8250 *priv = dev_get_drvdata(dev);
unsigned int i;
@@ -770,7 +771,7 @@ static int __maybe_unused exar_suspend(struct device *dev)
return 0;
}
-static int __maybe_unused exar_resume(struct device *dev)
+static int exar_resume(struct device *dev)
{
struct exar8250 *priv = dev_get_drvdata(dev);
unsigned int i;
@@ -784,7 +785,7 @@ static int __maybe_unused exar_resume(struct device *dev)
return 0;
}
-static SIMPLE_DEV_PM_OPS(exar_pci_pm, exar_suspend, exar_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(exar_pci_pm, exar_suspend, exar_resume);
static const struct exar8250_board pbn_fastcom335_2 = {
.num_ports = 2,
@@ -934,7 +935,7 @@ static struct pci_driver exar_pci_driver = {
.probe = exar_pci_probe,
.remove = exar_pci_remove,
.driver = {
- .pm = &exar_pci_pm,
+ .pm = pm_sleep_ptr(&exar_pci_pm),
},
.id_table = exar_pci_tbl,
};
--
GitLab
From d813d90085aefacc3500db94d82c60e0702965fa Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 19 Feb 2024 17:05:02 +0200
Subject: [PATCH 0789/2686] serial: 8250_exar: Use 8250 PCI library to map and
assign resources
8250 PCI library provides a common code to map and assign resources.
Use it in order to deduplicate existing code and support IO port
variants.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240219150627.2101198-7-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_exar.c | 11 ++++++-----
drivers/tty/serial/8250/Kconfig | 1 +
2 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index cf00335d953f9..afe577860ac5f 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -24,6 +24,7 @@
#include <asm/byteorder.h>
#include "8250.h"
+#include "8250_pcilib.h"
#define PCI_DEVICE_ID_ACCESSIO_COM_2S 0x1052
#define PCI_DEVICE_ID_ACCESSIO_COM_4S 0x105d
@@ -230,13 +231,12 @@ static int default_setup(struct exar8250 *priv, struct pci_dev *pcidev,
struct uart_8250_port *port)
{
const struct exar8250_board *board = priv->board;
- unsigned int bar = 0;
unsigned char status;
+ int err;
- port->port.iotype = UPIO_MEM;
- port->port.mapbase = pci_resource_start(pcidev, bar) + offset;
- port->port.membase = priv->virt + offset;
- port->port.regshift = board->reg_shift;
+ err = serial8250_pci_setup_port(pcidev, port, 0, offset, board->reg_shift);
+ if (err)
+ return err;
/*
* XR17V35x UARTs have an extra divisor register, DLD that gets enabled
@@ -941,6 +941,7 @@ static struct pci_driver exar_pci_driver = {
};
module_pci_driver(exar_pci_driver);
+MODULE_IMPORT_NS(SERIAL_8250_PCI);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Exar Serial Driver");
MODULE_AUTHOR("Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>");
diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig
index 8b9a2c4902e2c..47ff50763c048 100644
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -149,6 +149,7 @@ config SERIAL_8250_PCI
config SERIAL_8250_EXAR
tristate "8250/16550 Exar/Commtech PCI/PCIe device support"
depends on SERIAL_8250 && PCI
+ select SERIAL_8250_PCILIB
default SERIAL_8250
help
This builds support for XR17C1xx, XR17V3xx and some Commtech
--
GitLab
From 66c736daae0d1dd5dda53a1982398f383d82c42d Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 19 Feb 2024 17:05:03 +0200
Subject: [PATCH 0790/2686] serial: 8250_exar: Don't use "proxy" headers
Update header inclusions to follow IWYU (Include What You Use)
principle.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240219150627.2101198-8-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_exar.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index afe577860ac5f..0440df7de1ed7 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -6,20 +6,24 @@
*
* Copyright (C) 2017 Sudip Mukherjee, All Rights Reserved.
*/
+#include <linux/bits.h>
+#include <linux/delay.h>
+#include <linux/device.h>
#include <linux/dmi.h>
+#include <linux/interrupt.h>
#include <linux/io.h>
-#include <linux/kernel.h>
+#include <linux/math.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/property.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include <linux/serial_8250.h>
#include <linux/serial_core.h>
#include <linux/serial_reg.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/tty.h>
-#include <linux/delay.h>
#include <asm/byteorder.h>
--
GitLab
From d676822a714af27e346407a4054cb2846d1ab0e5 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 19 Feb 2024 18:28:34 +0200
Subject: [PATCH 0791/2686] serial: 8250_pci1xxxx: Drop quirk from 8250_port
We are not supposed to spread quirks in 8250_port module especially
when we have a separate driver for the hardware in question.
Move quirk from generic module to the driver that uses it.
While at it, move IO to ->set_divisor() callback as it has to be from
day 1. ->get_divisor() is not supposed to perform any IO as UART port:
- might not be powered on
- is not locked by a spin lock
Fixes: 1ed67ecd1349 ("8250: microchip: Add 4 Mbps support in PCI1XXXX UART")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Rengarajan S <rengarajan.s@microchip.com>
Link: https://lore.kernel.org/r/20240219162917.2159736-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_pci1xxxx.c | 25 ++++++++++++++++++-------
drivers/tty/serial/8250/8250_port.c | 7 -------
2 files changed, 18 insertions(+), 14 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_pci1xxxx.c b/drivers/tty/serial/8250/8250_pci1xxxx.c
index 55eada1dba56a..2fbb5851f788b 100644
--- a/drivers/tty/serial/8250/8250_pci1xxxx.c
+++ b/drivers/tty/serial/8250/8250_pci1xxxx.c
@@ -94,7 +94,6 @@
#define UART_BIT_SAMPLE_CNT_16 16
#define BAUD_CLOCK_DIV_INT_MSK GENMASK(31, 8)
#define ADCL_CFG_RTS_DELAY_MASK GENMASK(11, 8)
-#define UART_CLOCK_DEFAULT (62500 * HZ_PER_KHZ)
#define UART_WAKE_REG 0x8C
#define UART_WAKE_MASK_REG 0x90
@@ -227,13 +226,10 @@ static unsigned int pci1xxxx_get_divisor(struct uart_port *port,
unsigned int uart_sample_cnt;
unsigned int quot;
- if (baud >= UART_BAUD_4MBPS) {
+ if (baud >= UART_BAUD_4MBPS)
uart_sample_cnt = UART_BIT_SAMPLE_CNT_8;
- writel(UART_BIT_DIVISOR_8, (port->membase + FRAC_DIV_CFG_REG));
- } else {
+ else
uart_sample_cnt = UART_BIT_SAMPLE_CNT_16;
- writel(UART_BIT_DIVISOR_16, (port->membase + FRAC_DIV_CFG_REG));
- }
/*
* Calculate baud rate sampling period in nanoseconds.
@@ -249,6 +245,11 @@ static unsigned int pci1xxxx_get_divisor(struct uart_port *port,
static void pci1xxxx_set_divisor(struct uart_port *port, unsigned int baud,
unsigned int quot, unsigned int frac)
{
+ if (baud >= UART_BAUD_4MBPS)
+ writel(UART_BIT_DIVISOR_8, port->membase + FRAC_DIV_CFG_REG);
+ else
+ writel(UART_BIT_DIVISOR_16, port->membase + FRAC_DIV_CFG_REG);
+
writel(FIELD_PREP(BAUD_CLOCK_DIV_INT_MSK, quot) | frac,
port->membase + UART_BAUD_CLK_DIVISOR_REG);
}
@@ -619,6 +620,17 @@ static int pci1xxxx_setup(struct pci_dev *pdev,
port->port.flags |= UPF_FIXED_TYPE | UPF_SKIP_TEST;
port->port.type = PORT_MCHP16550A;
+ /*
+ * 8250 core considers prescaller value to be always 16.
+ * The MCHP ports support downscaled mode and hence the
+ * functional UART clock can be lower, i.e. 62.5MHz, than
+ * software expects in order to support higher baud rates.
+ * Assign here 64MHz to support 4Mbps.
+ *
+ * The value itself is not really used anywhere except baud
+ * rate calculations, so we can mangle it as we wish.
+ */
+ port->port.uartclk = 64 * HZ_PER_MHZ;
port->port.set_termios = serial8250_do_set_termios;
port->port.get_divisor = pci1xxxx_get_divisor;
port->port.set_divisor = pci1xxxx_set_divisor;
@@ -732,7 +744,6 @@ static int pci1xxxx_serial_probe(struct pci_dev *pdev,
memset(&uart, 0, sizeof(uart));
uart.port.flags = UPF_SHARE_IRQ | UPF_FIXED_PORT;
- uart.port.uartclk = UART_CLOCK_DEFAULT;
uart.port.dev = dev;
if (num_vectors == max_vec_reqd)
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index d9e886f2424e6..4164f8650476d 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -2657,7 +2657,6 @@ static unsigned int serial8250_get_baud_rate(struct uart_port *port,
struct ktermios *termios,
const struct ktermios *old)
{
- struct uart_8250_port *up = up_to_u8250p(port);
unsigned int tolerance = port->uartclk / 100;
unsigned int min;
unsigned int max;
@@ -2675,12 +2674,6 @@ static unsigned int serial8250_get_baud_rate(struct uart_port *port,
max = (port->uartclk + tolerance) / 16;
}
- /*
- * Microchip PCI1XXXX UART supports maximum baud rate up to 4 Mbps
- */
- if (up->port.type == PORT_MCHP16550A)
- max = 4000000;
-
/*
* Ask the core to calculate the divisor for us.
* Allow 1% tolerance at the upper limit so uart clks marginally
--
GitLab
From f75a010dcba0270c403cb680a0c662293dd98a60 Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com>
Date: Mon, 19 Feb 2024 17:40:02 +0100
Subject: [PATCH 0792/2686] drivers/tty/serial: Remove unused function
early_mcf_setup
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Compiling a kernel for the ColdFire causes a compiler warning:
drivers/tty/serial/mcf.c:473:12: warning: no previous prototype for
‘early_mcf_setup’ [-Wmissing-prototypes]
473 | int __init early_mcf_setup(struct mcf_platform_uart *platp)
| ^~~~~~~~~~~~~~~
This function seems to be completely unused, so let's remove it
to silence the warning.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Acked-by: Greg Ungerer <gerg@linux-m68k.org>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20240219164002.520342-1-thuth@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/mcf.c | 27 ---------------------------
1 file changed, 27 deletions(-)
diff --git a/drivers/tty/serial/mcf.c b/drivers/tty/serial/mcf.c
index 8690a45239e09..b0604d6da0257 100644
--- a/drivers/tty/serial/mcf.c
+++ b/drivers/tty/serial/mcf.c
@@ -470,33 +470,6 @@ static struct mcf_uart mcf_ports[4];
#if defined(CONFIG_SERIAL_MCF_CONSOLE)
/****************************************************************************/
-int __init early_mcf_setup(struct mcf_platform_uart *platp)
-{
- struct uart_port *port;
- int i;
-
- for (i = 0; ((i < MCF_MAXPORTS) && (platp[i].mapbase)); i++) {
- port = &mcf_ports[i].port;
-
- port->line = i;
- port->type = PORT_MCF;
- port->mapbase = platp[i].mapbase;
- port->membase = (platp[i].membase) ? platp[i].membase :
- (unsigned char __iomem *) port->mapbase;
- port->iotype = SERIAL_IO_MEM;
- port->irq = platp[i].irq;
- port->uartclk = MCF_BUSCLK;
- port->flags = UPF_BOOT_AUTOCONF;
- port->rs485_config = mcf_config_rs485;
- port->rs485_supported = mcf_rs485_supported;
- port->ops = &mcf_uart_ops;
- }
-
- return 0;
-}
-
-/****************************************************************************/
-
static void mcf_console_putc(struct console *co, const char c)
{
struct uart_port *port = &(mcf_ports + co->index)->port;
--
GitLab
From b8a4ed3405d5f3f92a211ccc2579e54345bc3aeb Mon Sep 17 00:00:00 2001
From: Tamseel Shams <m.shams@samsung.com>
Date: Tue, 20 Feb 2024 15:42:27 +0530
Subject: [PATCH 0793/2686] serial: samsung: honor fifosize from dts at first
Currently for platforms which passes UART fifosize from DT gets
override by local driver structure "s3c24xx_serial_drv_data",
which is not intended. Change the code to honor fifosize from
device tree at first.
Signed-off-by: Tamseel Shams <m.shams@samsung.com>
Link: https://lore.kernel.org/r/20240220101227.80741-1-m.shams@samsung.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/samsung_tty.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 23cabdab44ffc..a2d07e05c5026 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -1951,7 +1951,7 @@ static int s3c24xx_serial_probe(struct platform_device *pdev)
struct device_node *np = pdev->dev.of_node;
struct s3c24xx_uart_port *ourport;
int index = probe_index;
- int ret, prop = 0;
+ int ret, prop = 0, fifosize_prop = 1;
if (np) {
ret = of_alias_get_id(np, "serial");
@@ -1991,8 +1991,8 @@ static int s3c24xx_serial_probe(struct platform_device *pdev)
ourport->port.iotype = ourport->info->iotype;
if (np) {
- of_property_read_u32(np,
- "samsung,uart-fifosize", &ourport->port.fifosize);
+ fifosize_prop = of_property_read_u32(np, "samsung,uart-fifosize",
+ &ourport->port.fifosize);
if (of_property_read_u32(np, "reg-io-width", &prop) == 0) {
switch (prop) {
@@ -2010,10 +2010,13 @@ static int s3c24xx_serial_probe(struct platform_device *pdev)
}
}
- if (ourport->drv_data->fifosize[index])
- ourport->port.fifosize = ourport->drv_data->fifosize[index];
- else if (ourport->info->fifosize)
- ourport->port.fifosize = ourport->info->fifosize;
+ if (fifosize_prop) {
+ if (ourport->drv_data->fifosize[index])
+ ourport->port.fifosize = ourport->drv_data->fifosize[index];
+ else if (ourport->info->fifosize)
+ ourport->port.fifosize = ourport->info->fifosize;
+ }
+
ourport->port.has_sysrq = IS_ENABLED(CONFIG_SERIAL_SAMSUNG_CONSOLE);
/*
--
GitLab
From 4e489a6e93e85726a41f85d1aaaab6f603ec2d33 Mon Sep 17 00:00:00 2001
From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Date: Tue, 20 Feb 2024 12:34:10 +0100
Subject: [PATCH 0794/2686] serial: st-asc: don't get/put GPIOs in atomic
context
Since commit 1f2bcb8c8ccd ("gpio: protect the descriptor label with
SRCU") gpiod_set_consumer_name() calls synchronize_srcu() which led to
a "sleeping in atomic context" smatch warning.
This function (along with gpiod_get/put() and all other GPIO APIs apart
from gpiod_get/set_value() and gpiod_direction_input/output()) should
have never been called with a spinlock taken. We're only fixing this now
as GPIOLIB has been rebuilt to use SRCU for access serialization which
uncovered this problem.
Move the calls to gpiod_get/put() outside the spinlock critical section.
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/linux-gpio/deee1438-efc1-47c4-8d80-0ab2cf01d60a@moroto.mountain/
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20240220113410.16613-1-brgl@bgdev.pl
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/st-asc.c | 40 ++++++++++++++++++++++---------------
1 file changed, 24 insertions(+), 16 deletions(-)
diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c
index bbb5595d7e24c..a23e595518488 100644
--- a/drivers/tty/serial/st-asc.c
+++ b/drivers/tty/serial/st-asc.c
@@ -465,6 +465,7 @@ static void asc_set_termios(struct uart_port *port, struct ktermios *termios,
const struct ktermios *old)
{
struct asc_port *ascport = to_asc_port(port);
+ bool manual_rts, toggle_rts = false;
struct gpio_desc *gpiod;
unsigned int baud;
u32 ctrl_val;
@@ -518,25 +519,13 @@ static void asc_set_termios(struct uart_port *port, struct ktermios *termios,
/* If flow-control selected, stop handling RTS manually */
if (ascport->rts) {
- devm_gpiod_put(port->dev, ascport->rts);
- ascport->rts = NULL;
-
- pinctrl_select_state(ascport->pinctrl,
- ascport->states[DEFAULT]);
+ toggle_rts = true;
+ manual_rts = false;
}
} else {
/* If flow-control disabled, it's safe to handle RTS manually */
- if (!ascport->rts && ascport->states[NO_HW_FLOWCTRL]) {
- pinctrl_select_state(ascport->pinctrl,
- ascport->states[NO_HW_FLOWCTRL]);
-
- gpiod = devm_gpiod_get(port->dev, "rts", GPIOD_OUT_LOW);
- if (!IS_ERR(gpiod)) {
- gpiod_set_consumer_name(gpiod,
- port->dev->of_node->name);
- ascport->rts = gpiod;
- }
- }
+ if (!ascport->rts && ascport->states[NO_HW_FLOWCTRL])
+ manual_rts = toggle_rts = true;
}
if ((baud < 19200) && !ascport->force_m1) {
@@ -595,6 +584,25 @@ static void asc_set_termios(struct uart_port *port, struct ktermios *termios,
asc_out(port, ASC_CTL, (ctrl_val | ASC_CTL_RUN));
uart_port_unlock_irqrestore(port, flags);
+
+ if (toggle_rts) {
+ if (manual_rts) {
+ pinctrl_select_state(ascport->pinctrl,
+ ascport->states[NO_HW_FLOWCTRL]);
+
+ gpiod = devm_gpiod_get(port->dev, "rts", GPIOD_OUT_LOW);
+ if (!IS_ERR(gpiod)) {
+ gpiod_set_consumer_name(gpiod,
+ port->dev->of_node->name);
+ ascport->rts = gpiod;
+ }
+ } else {
+ devm_gpiod_put(port->dev, ascport->rts);
+ ascport->rts = NULL;
+ pinctrl_select_state(ascport->pinctrl,
+ ascport->states[DEFAULT]);
+ }
+ }
}
static const char *asc_type(struct uart_port *port)
--
GitLab
From 675c00eb70534042be06c497605e35aa44aae19b Mon Sep 17 00:00:00 2001
From: Serge Semin <fancer.lancer@gmail.com>
Date: Thu, 22 Feb 2024 17:50:56 +0300
Subject: [PATCH 0795/2686] serial: 8250: Use serial8250_do_set_termios for
uartclk updating
The serial8250_update_uartclk() body was created based on the several
method calls copied from the serial8250_do_set_termios() function. Seeing
aside with some other things the later method can update the baud rate
based on the new reference clock let's just call it instead thus
simplifying the code a bit.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/linux-serial/ZczD7KPbeRnY4CFc@black.fi.intel.com
Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240222145058.28307-1-fancer.lancer@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_port.c | 20 +-------------------
1 file changed, 1 insertion(+), 19 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 4164f8650476d..336a0bd4d172a 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -2690,12 +2690,8 @@ static unsigned int serial8250_get_baud_rate(struct uart_port *port,
*/
void serial8250_update_uartclk(struct uart_port *port, unsigned int uartclk)
{
- struct uart_8250_port *up = up_to_u8250p(port);
struct tty_port *tport = &port->state->port;
- unsigned int baud, quot, frac = 0;
- struct ktermios *termios;
struct tty_struct *tty;
- unsigned long flags;
tty = tty_port_tty_get(tport);
if (!tty) {
@@ -2716,21 +2712,7 @@ void serial8250_update_uartclk(struct uart_port *port, unsigned int uartclk)
if (!tty_port_initialized(tport))
goto out_unlock;
- termios = &tty->termios;
-
- baud = serial8250_get_baud_rate(port, termios, NULL);
- quot = serial8250_get_divisor(port, baud, &frac);
-
- serial8250_rpm_get(up);
- uart_port_lock_irqsave(port, &flags);
-
- uart_update_timeout(port, termios->c_cflag, baud);
-
- serial8250_set_divisor(port, baud, quot, frac);
- serial_port_out(port, UART_LCR, up->lcr);
-
- uart_port_unlock_irqrestore(port, flags);
- serial8250_rpm_put(up);
+ serial8250_do_set_termios(port, &tty->termios, NULL);
out_unlock:
mutex_unlock(&tport->mutex);
--
GitLab
From 28e4c31e53151aef19ce61464e396ccc035903b6 Mon Sep 17 00:00:00 2001
From: Raphael Gallais-Pou <rgallaispou@gmail.com>
Date: Mon, 26 Feb 2024 16:21:35 +0100
Subject: [PATCH 0796/2686] dt-bindings: serial: convert st,asc to DT schema
'clocks' property is required regarding the device. Convert st,asc
binding to DT schema format in order to add this property, and update
example.
Signed-off-by: Raphael Gallais-Pou <rgallaispou@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240226152135.8671-1-rgallaispou@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../devicetree/bindings/serial/st,asc.yaml | 55 +++++++++++++++++++
.../devicetree/bindings/serial/st-asc.txt | 18 ------
2 files changed, 55 insertions(+), 18 deletions(-)
create mode 100644 Documentation/devicetree/bindings/serial/st,asc.yaml
delete mode 100644 Documentation/devicetree/bindings/serial/st-asc.txt
diff --git a/Documentation/devicetree/bindings/serial/st,asc.yaml b/Documentation/devicetree/bindings/serial/st,asc.yaml
new file mode 100644
index 0000000000000..f2083388f36b4
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/st,asc.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/serial/st,asc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STMicroelectronics STi SoCs Serial Port
+
+maintainers:
+ - Patrice Chotard <patrice.chotard@foss.st.com>
+
+allOf:
+ - $ref: serial.yaml#
+
+properties:
+ compatible:
+ const: st,asc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ st,hw-flow-ctrl:
+ description: When set, enable hardware flow control.
+ type: boolean
+
+ st,force-m1:
+ description: When set, force asc to be in Mode-1. This is recommended for
+ high bit rates above 19.2K.
+ type: boolean
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/stih407-clks.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ serial@9830000 {
+ compatible = "st,asc";
+ reg = <0x9830000 0x2c>;
+ interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk_s_c0_flexgen CLK_EXT2F_A9>;
+ };
+...
diff --git a/Documentation/devicetree/bindings/serial/st-asc.txt b/Documentation/devicetree/bindings/serial/st-asc.txt
deleted file mode 100644
index a1b9b6f3490aa..0000000000000
--- a/Documentation/devicetree/bindings/serial/st-asc.txt
+++ /dev/null
@@ -1,18 +0,0 @@
-*st-asc(Serial Port)
-
-Required properties:
-- compatible : Should be "st,asc".
-- reg, reg-names, interrupts, interrupt-names : Standard way to define device
- resources with names. look in
- Documentation/devicetree/bindings/resource-names.txt
-
-Optional properties:
-- st,hw-flow-ctrl bool flag to enable hardware flow control.
-- st,force-m1 bool flat to force asc to be in Mode-1 recommended
- for high bit rates (above 19.2K)
-Example:
-serial@fe440000{
- compatible = "st,asc";
- reg = <0xfe440000 0x2c>;
- interrupts = <0 209 0>;
-};
--
GitLab
From 65295eba1915cf27c363f26727f6da43d144d03b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Thu, 22 Feb 2024 12:19:23 +0100
Subject: [PATCH 0797/2686] serial: 8250_dw: Emit an error message if getting
the baudclk failed
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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Instead of silently giving up, at least tell what the problem is.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240222111922.2016122-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_dw.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index 2d1f350a4bea2..94aa3dddb71eb 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -597,7 +597,8 @@ static int dw8250_probe(struct platform_device *pdev)
if (data->clk == NULL)
data->clk = devm_clk_get_optional_enabled(dev, NULL);
if (IS_ERR(data->clk))
- return PTR_ERR(data->clk);
+ return dev_err_probe(dev, PTR_ERR(data->clk),
+ "failed to get baudclk\n");
INIT_WORK(&data->clk_work, dw8250_clk_work_cb);
data->clk_notifier.notifier_call = dw8250_clk_notifier_cb;
--
GitLab
From 2432f71c22d0543a86353ed0c505eda32d25af7c Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:14 +0100
Subject: [PATCH 0798/2686] serial: amba-pl011: Use uart_prepare_sysrq_char().
The port lock is a spinlock_t which is becomes a sleeping lock on PREEMPT_RT.
The driver splits the locking function into two parts: local_irq_save() and
uart_port_lock() and this breaks PREEMPT_RT.
Delay handling sysrq until port lock is dropped.
Remove the special case in the console write routine an always use the
complete locking function.
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-2-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/amba-pl011.c | 24 ++++++++----------------
1 file changed, 8 insertions(+), 16 deletions(-)
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index cf2c890a560f0..2fa3fb30dc6c7 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -348,10 +348,7 @@ static int pl011_fifo_to_tty(struct uart_amba_port *uap)
flag = TTY_FRAME;
}
- uart_port_unlock(&uap->port);
- sysrq = uart_handle_sysrq_char(&uap->port, ch & 255);
- uart_port_lock(&uap->port);
-
+ sysrq = uart_prepare_sysrq_char(&uap->port, ch & 255);
if (!sysrq)
uart_insert_char(&uap->port, ch, UART011_DR_OE, ch, flag);
}
@@ -1017,7 +1014,7 @@ static void pl011_dma_rx_callback(void *data)
ret = pl011_dma_rx_trigger_dma(uap);
pl011_dma_rx_chars(uap, pending, lastbuf, false);
- uart_port_unlock_irq(&uap->port);
+ uart_unlock_and_check_sysrq(&uap->port);
/*
* Do this check after we picked the DMA chars so we don't
* get some IRQ immediately from RX.
@@ -1540,11 +1537,10 @@ static void check_apply_cts_event_workaround(struct uart_amba_port *uap)
static irqreturn_t pl011_int(int irq, void *dev_id)
{
struct uart_amba_port *uap = dev_id;
- unsigned long flags;
unsigned int status, pass_counter = AMBA_ISR_PASS_LIMIT;
int handled = 0;
- uart_port_lock_irqsave(&uap->port, &flags);
+ uart_port_lock(&uap->port);
status = pl011_read(uap, REG_RIS) & uap->im;
if (status) {
do {
@@ -1573,7 +1569,7 @@ static irqreturn_t pl011_int(int irq, void *dev_id)
handled = 1;
}
- uart_port_unlock_irqrestore(&uap->port, flags);
+ uart_unlock_and_check_sysrq(&uap->port);
return IRQ_RETVAL(handled);
}
@@ -2322,13 +2318,10 @@ pl011_console_write(struct console *co, const char *s, unsigned int count)
clk_enable(uap->clk);
- local_irq_save(flags);
- if (uap->port.sysrq)
- locked = 0;
- else if (oops_in_progress)
- locked = uart_port_trylock(&uap->port);
+ if (oops_in_progress)
+ locked = uart_port_trylock_irqsave(&uap->port, &flags);
else
- uart_port_lock(&uap->port);
+ uart_port_lock_irqsave(&uap->port, &flags);
/*
* First save the CR then disable the interrupts
@@ -2354,8 +2347,7 @@ pl011_console_write(struct console *co, const char *s, unsigned int count)
pl011_write(old_cr, uap, REG_CR);
if (locked)
- uart_port_unlock(&uap->port);
- local_irq_restore(flags);
+ uart_port_unlock_irqrestore(&uap->port, flags);
clk_disable(uap->clk);
}
--
GitLab
From 244a758b3d0550b008c304bfd522209927f512b4 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:15 +0100
Subject: [PATCH 0799/2686] serial: ar933x: Use uart_prepare_sysrq_char().
The port lock is a spinlock_t which is becomes a sleeping lock on PREEMPT_RT.
The driver splits the locking function into two parts: local_irq_save() and
uart_port_lock() and this breaks PREEMPT_RT.
Delay handling sysrq until port lock is dropped.
Remove the special case in the console write routine an always use the
complete locking function.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-3-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/ar933x_uart.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)
diff --git a/drivers/tty/serial/ar933x_uart.c b/drivers/tty/serial/ar933x_uart.c
index 8d09ace062e59..7790cbc57391a 100644
--- a/drivers/tty/serial/ar933x_uart.c
+++ b/drivers/tty/serial/ar933x_uart.c
@@ -378,7 +378,7 @@ static void ar933x_uart_rx_chars(struct ar933x_uart_port *up)
up->port.icount.rx++;
ch = rdata & AR933X_UART_DATA_TX_RX_MASK;
- if (uart_handle_sysrq_char(&up->port, ch))
+ if (uart_prepare_sysrq_char(&up->port, ch))
continue;
if ((up->port.ignore_status_mask & AR933X_DUMMY_STATUS_RD) == 0)
@@ -468,7 +468,7 @@ static irqreturn_t ar933x_uart_interrupt(int irq, void *dev_id)
ar933x_uart_tx_chars(up);
}
- uart_port_unlock(&up->port);
+ uart_unlock_and_check_sysrq(&up->port);
return IRQ_HANDLED;
}
@@ -627,14 +627,10 @@ static void ar933x_uart_console_write(struct console *co, const char *s,
unsigned int int_en;
int locked = 1;
- local_irq_save(flags);
-
- if (up->port.sysrq)
- locked = 0;
- else if (oops_in_progress)
- locked = uart_port_trylock(&up->port);
+ if (oops_in_progress)
+ locked = uart_port_trylock_irqsave(&up->port, &flags);
else
- uart_port_lock(&up->port);
+ uart_port_lock_irqsave(&up->port, &flags);
/*
* First save the IER then disable the interrupts
@@ -654,9 +650,7 @@ static void ar933x_uart_console_write(struct console *co, const char *s,
ar933x_uart_write(up, AR933X_UART_INT_REG, AR933X_UART_INT_ALLINTS);
if (locked)
- uart_port_unlock(&up->port);
-
- local_irq_restore(flags);
+ uart_port_unlock_irqrestore(&up->port, flags);
}
static int ar933x_uart_console_setup(struct console *co, char *options)
--
GitLab
From 8c1cbc5a2b7b4980b05bd0587c458c8cd89b59da Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:16 +0100
Subject: [PATCH 0800/2686] serial: bcm63xx: Use uart_prepare_sysrq_char().
The port lock is a spinlock_t which is becomes a sleeping lock on PREEMPT_RT.
The driver splits the locking function into two parts: local_irq_save() and
uart_port_lock() and this breaks PREEMPT_RT.
Delay handling sysrq until port lock is dropped.
Remove the special case in the console write routine an always use the
complete locking function.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-4-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/bcm63xx_uart.c | 24 ++++++++----------------
1 file changed, 8 insertions(+), 16 deletions(-)
diff --git a/drivers/tty/serial/bcm63xx_uart.c b/drivers/tty/serial/bcm63xx_uart.c
index a3cefa153456d..34801a6f300b6 100644
--- a/drivers/tty/serial/bcm63xx_uart.c
+++ b/drivers/tty/serial/bcm63xx_uart.c
@@ -285,10 +285,9 @@ static void bcm_uart_do_rx(struct uart_port *port)
flag = TTY_PARITY;
}
- if (uart_handle_sysrq_char(port, c))
+ if (uart_prepare_sysrq_char(port, c))
continue;
-
if ((cstat & port->ignore_status_mask) == 0)
tty_insert_flip_char(tty_port, c, flag);
@@ -353,7 +352,7 @@ static irqreturn_t bcm_uart_interrupt(int irq, void *dev_id)
estat & UART_EXTINP_DCD_MASK);
}
- uart_port_unlock(port);
+ uart_unlock_and_check_sysrq(port);
return IRQ_HANDLED;
}
@@ -703,20 +702,14 @@ static void bcm_console_write(struct console *co, const char *s,
{
struct uart_port *port;
unsigned long flags;
- int locked;
+ int locked = 1;
port = &ports[co->index];
- local_irq_save(flags);
- if (port->sysrq) {
- /* bcm_uart_interrupt() already took the lock */
- locked = 0;
- } else if (oops_in_progress) {
- locked = uart_port_trylock(port);
- } else {
- uart_port_lock(port);
- locked = 1;
- }
+ if (oops_in_progress)
+ locked = uart_port_trylock_irqsave(port, &flags);
+ else
+ uart_port_lock_irqsave(port, &flags);
/* call helper to deal with \r\n */
uart_console_write(port, s, count, bcm_console_putchar);
@@ -725,8 +718,7 @@ static void bcm_console_write(struct console *co, const char *s,
wait_for_xmitr(port);
if (locked)
- uart_port_unlock(port);
- local_irq_restore(flags);
+ uart_port_unlock_irqrestore(port, flags);
}
/*
--
GitLab
From fb793b952a330e6c87aec98aeb300aaa5c2ac960 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:17 +0100
Subject: [PATCH 0801/2686] serial: meson: Use uart_prepare_sysrq_char().
The port lock is a spinlock_t which is becomes a sleeping lock on PREEMPT_RT.
The driver splits the locking function into two parts: local_irq_save() and
uart_port_lock() and this breaks PREEMPT_RT.
Delay handling sysrq until port lock is dropped.
Remove the special case in the console write routine an always use the
complete locking function.
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-amlogic@lists.infradead.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-5-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/meson_uart.c | 22 ++++++++--------------
1 file changed, 8 insertions(+), 14 deletions(-)
diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
index 8395688f5ee92..6feac459c0cf4 100644
--- a/drivers/tty/serial/meson_uart.c
+++ b/drivers/tty/serial/meson_uart.c
@@ -220,7 +220,7 @@ static void meson_receive_chars(struct uart_port *port)
continue;
}
- if (uart_handle_sysrq_char(port, ch))
+ if (uart_prepare_sysrq_char(port, ch))
continue;
if ((status & port->ignore_status_mask) == 0)
@@ -248,7 +248,7 @@ static irqreturn_t meson_uart_interrupt(int irq, void *dev_id)
meson_uart_start_tx(port);
}
- uart_port_unlock(port);
+ uart_unlock_and_check_sysrq(port);
return IRQ_HANDLED;
}
@@ -556,18 +556,13 @@ static void meson_serial_port_write(struct uart_port *port, const char *s,
u_int count)
{
unsigned long flags;
- int locked;
+ int locked = 1;
u32 val, tmp;
- local_irq_save(flags);
- if (port->sysrq) {
- locked = 0;
- } else if (oops_in_progress) {
- locked = uart_port_trylock(port);
- } else {
- uart_port_lock(port);
- locked = 1;
- }
+ if (oops_in_progress)
+ locked = uart_port_trylock_irqsave(port, &flags);
+ else
+ uart_port_lock_irqsave(port, &flags);
val = readl(port->membase + AML_UART_CONTROL);
tmp = val & ~(AML_UART_TX_INT_EN | AML_UART_RX_INT_EN);
@@ -577,8 +572,7 @@ static void meson_serial_port_write(struct uart_port *port, const char *s,
writel(val, port->membase + AML_UART_CONTROL);
if (locked)
- uart_port_unlock(port);
- local_irq_restore(flags);
+ uart_port_unlock_irqrestore(port, flags);
}
static void meson_serial_console_write(struct console *co, const char *s,
--
GitLab
From 4e5788c0993c0c83c3d91c090cfb6ff70f99b427 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:18 +0100
Subject: [PATCH 0802/2686] serial: msm: Use uart_prepare_sysrq_char().
The port lock is a spinlock_t which is becomes a sleeping lock on PREEMPT_RT.
The driver splits the locking function into two parts: local_irq_save() and
uart_port_lock() and this breaks PREEMPT_RT.
Delay handling sysrq until port lock is dropped.
Remove the special case in the console write routine an always use the
complete locking function.
Cc: Bjorn Andersson <andersson@kernel.org>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: linux-arm-msm@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-6-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/msm_serial.c | 33 ++++++++++-----------------------
1 file changed, 10 insertions(+), 23 deletions(-)
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index e24204ad35def..d27c4c8c84e13 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -588,16 +588,14 @@ static void msm_complete_rx_dma(void *args)
if (!(port->read_status_mask & MSM_UART_SR_RX_BREAK))
flag = TTY_NORMAL;
- uart_port_unlock_irqrestore(port, flags);
- sysrq = uart_handle_sysrq_char(port, dma->virt[i]);
- uart_port_lock_irqsave(port, &flags);
+ sysrq = uart_prepare_sysrq_char(port, dma->virt[i]);
if (!sysrq)
tty_insert_flip_char(tport, dma->virt[i], flag);
}
msm_start_rx_dma(msm_port);
done:
- uart_port_unlock_irqrestore(port, flags);
+ uart_unlock_and_check_sysrq_irqrestore(port, flags);
if (count)
tty_flip_buffer_push(tport);
@@ -763,9 +761,7 @@ static void msm_handle_rx_dm(struct uart_port *port, unsigned int misr)
if (!(port->read_status_mask & MSM_UART_SR_RX_BREAK))
flag = TTY_NORMAL;
- uart_port_unlock(port);
- sysrq = uart_handle_sysrq_char(port, buf[i]);
- uart_port_lock(port);
+ sysrq = uart_prepare_sysrq_char(port, buf[i]);
if (!sysrq)
tty_insert_flip_char(tport, buf[i], flag);
}
@@ -825,9 +821,7 @@ static void msm_handle_rx(struct uart_port *port)
else if (sr & MSM_UART_SR_PAR_FRAME_ERR)
flag = TTY_FRAME;
- uart_port_unlock(port);
- sysrq = uart_handle_sysrq_char(port, c);
- uart_port_lock(port);
+ sysrq = uart_prepare_sysrq_char(port, c);
if (!sysrq)
tty_insert_flip_char(tport, c, flag);
}
@@ -948,11 +942,10 @@ static irqreturn_t msm_uart_irq(int irq, void *dev_id)
struct uart_port *port = dev_id;
struct msm_port *msm_port = to_msm_port(port);
struct msm_dma *dma = &msm_port->rx_dma;
- unsigned long flags;
unsigned int misr;
u32 val;
- uart_port_lock_irqsave(port, &flags);
+ uart_port_lock(port);
misr = msm_read(port, MSM_UART_MISR);
msm_write(port, 0, MSM_UART_IMR); /* disable interrupt */
@@ -984,7 +977,7 @@ static irqreturn_t msm_uart_irq(int irq, void *dev_id)
msm_handle_delta_cts(port);
msm_write(port, msm_port->imr, MSM_UART_IMR); /* restore interrupt */
- uart_port_unlock_irqrestore(port, flags);
+ uart_unlock_and_check_sysrq(port);
return IRQ_HANDLED;
}
@@ -1621,14 +1614,10 @@ static void __msm_console_write(struct uart_port *port, const char *s,
num_newlines++;
count += num_newlines;
- local_irq_save(flags);
-
- if (port->sysrq)
- locked = 0;
- else if (oops_in_progress)
- locked = uart_port_trylock(port);
+ if (oops_in_progress)
+ locked = uart_port_trylock_irqsave(port, &flags);
else
- uart_port_lock(port);
+ uart_port_lock_irqsave(port, &flags);
if (is_uartdm)
msm_reset_dm_count(port, count);
@@ -1667,9 +1656,7 @@ static void __msm_console_write(struct uart_port *port, const char *s,
}
if (locked)
- uart_port_unlock(port);
-
- local_irq_restore(flags);
+ uart_port_unlock_irqrestore(port, flags);
}
static void msm_console_write(struct console *co, const char *s,
--
GitLab
From 63bd93ac6148ccfe0fe7268907c3517d42ec4fee Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:19 +0100
Subject: [PATCH 0803/2686] serial: omap: Use uart_prepare_sysrq_char().
The port lock is a spinlock_t which is becomes a sleeping lock on PREEMPT_RT.
The driver splits the locking function into two parts: local_irq_save() and
uart_port_lock() and this breaks PREEMPT_RT.
Delay handling sysrq until port lock is dropped.
Remove the special case in the console write routine an always use the
complete locking function.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-7-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/omap-serial.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index f5a0b401af63b..9be1c871cf116 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -508,7 +508,7 @@ static void serial_omap_rdi(struct uart_omap_port *up, unsigned int lsr)
up->port.icount.rx++;
- if (uart_handle_sysrq_char(&up->port, ch))
+ if (uart_prepare_sysrq_char(&up->port, ch))
return;
uart_insert_char(&up->port, lsr, UART_LSR_OE, ch, TTY_NORMAL);
@@ -563,7 +563,7 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id)
}
} while (max_count--);
- uart_port_unlock(&up->port);
+ uart_unlock_and_check_sysrq(&up->port);
tty_flip_buffer_push(&up->port.state->port);
@@ -1212,13 +1212,10 @@ serial_omap_console_write(struct console *co, const char *s,
unsigned int ier;
int locked = 1;
- local_irq_save(flags);
- if (up->port.sysrq)
- locked = 0;
- else if (oops_in_progress)
- locked = uart_port_trylock(&up->port);
+ if (oops_in_progress)
+ locked = uart_port_trylock_irqsave(&up->port, &flags);
else
- uart_port_lock(&up->port);
+ uart_port_lock_irqsave(&up->port, &flags);
/*
* First save the IER then disable the interrupts
@@ -1245,8 +1242,7 @@ serial_omap_console_write(struct console *co, const char *s,
check_modem_status(up);
if (locked)
- uart_port_unlock(&up->port);
- local_irq_restore(flags);
+ uart_port_unlock_irqrestore(&up->port, flags);
}
static int __init
--
GitLab
From 51f7ed071c34ae0a3efd9c21ba07efeda4dd1773 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:20 +0100
Subject: [PATCH 0804/2686] serial: pxa: Use uart_prepare_sysrq_char().
The port lock is a spinlock_t which is becomes a sleeping lock on PREEMPT_RT.
The driver splits the locking function into two parts: local_irq_save() and
uart_port_lock() and this breaks PREEMPT_RT.
Delay handling sysrq until port lock is dropped.
Remove the special case in the console write routine an always use the
complete locking function.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-8-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/pxa.c | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)
diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c
index 46e70e155aab2..e395ff29c1a2c 100644
--- a/drivers/tty/serial/pxa.c
+++ b/drivers/tty/serial/pxa.c
@@ -151,7 +151,7 @@ static inline void receive_chars(struct uart_pxa_port *up, int *status)
flag = TTY_FRAME;
}
- if (uart_handle_sysrq_char(&up->port, ch))
+ if (uart_prepare_sysrq_char(&up->port, ch))
goto ignore_char;
uart_insert_char(&up->port, *status, UART_LSR_OE, ch, flag);
@@ -232,7 +232,7 @@ static inline irqreturn_t serial_pxa_irq(int irq, void *dev_id)
check_modem_status(up);
if (lsr & UART_LSR_THRE)
transmit_chars(up);
- uart_port_unlock(&up->port);
+ uart_unlock_and_check_sysrq(&up->port);
return IRQ_HANDLED;
}
@@ -604,13 +604,10 @@ serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
int locked = 1;
clk_enable(up->clk);
- local_irq_save(flags);
- if (up->port.sysrq)
- locked = 0;
- else if (oops_in_progress)
- locked = uart_port_trylock(&up->port);
+ if (oops_in_progress)
+ locked = uart_port_trylock_irqsave(&up->port, &flags);
else
- uart_port_lock(&up->port);
+ uart_port_lock_irqsave(&up->port, &flags);
/*
* First save the IER then disable the interrupts
@@ -628,10 +625,8 @@ serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
serial_out(up, UART_IER, ier);
if (locked)
- uart_port_unlock(&up->port);
- local_irq_restore(flags);
+ uart_port_unlock_irqrestore(&up->port, flags);
clk_disable(up->clk);
-
}
#ifdef CONFIG_CONSOLE_POLL
--
GitLab
From e544127cc1365083ae675e8fe484146d8658cc62 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:21 +0100
Subject: [PATCH 0805/2686] serial: sunplus: Use uart_prepare_sysrq_char().
The port lock is a spinlock_t which is becomes a sleeping lock on PREEMPT_RT.
The driver splits the locking function into two parts: local_irq_save() and
uart_port_lock() and this breaks PREEMPT_RT.
Delay handling sysrq until port lock is dropped.
Remove the special case in the console write routine an always use the
complete locking function.
Cc: Hammer Hsieh <hammerh0314@gmail.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-9-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/sunplus-uart.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)
diff --git a/drivers/tty/serial/sunplus-uart.c b/drivers/tty/serial/sunplus-uart.c
index 99f5285819d4b..f5e29eb4a4ce4 100644
--- a/drivers/tty/serial/sunplus-uart.c
+++ b/drivers/tty/serial/sunplus-uart.c
@@ -260,7 +260,7 @@ static void receive_chars(struct uart_port *port)
if (port->ignore_status_mask & SUP_DUMMY_READ)
goto ignore_char;
- if (uart_handle_sysrq_char(port, ch))
+ if (uart_prepare_sysrq_char(port, ch))
goto ignore_char;
uart_insert_char(port, lsr, SUP_UART_LSR_OE, ch, flag);
@@ -287,7 +287,7 @@ static irqreturn_t sunplus_uart_irq(int irq, void *args)
if (isc & SUP_UART_ISC_TX)
transmit_chars(port);
- uart_port_unlock(port);
+ uart_unlock_and_check_sysrq(port);
return IRQ_HANDLED;
}
@@ -512,22 +512,16 @@ static void sunplus_console_write(struct console *co,
unsigned long flags;
int locked = 1;
- local_irq_save(flags);
-
- if (sunplus_console_ports[co->index]->port.sysrq)
- locked = 0;
- else if (oops_in_progress)
- locked = uart_port_trylock(&sunplus_console_ports[co->index]->port);
+ if (oops_in_progress)
+ locked = uart_port_trylock_irqsave(&sunplus_console_ports[co->index]->port, &flags);
else
- uart_port_lock(&sunplus_console_ports[co->index]->port);
+ uart_port_lock_irqsave(&sunplus_console_ports[co->index]->port, &flags);
uart_console_write(&sunplus_console_ports[co->index]->port, s, count,
sunplus_uart_console_putchar);
if (locked)
- uart_port_unlock(&sunplus_console_ports[co->index]->port);
-
- local_irq_restore(flags);
+ uart_port_unlock_irqrestore(&sunplus_console_ports[co->index]->port, flags);
}
static int __init sunplus_console_setup(struct console *co, char *options)
--
GitLab
From 6ba52968601ad3851d0b1da7dbe227b47a7dc918 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:22 +0100
Subject: [PATCH 0806/2686] serial: lpc32xx_hs: Use uart_prepare_sysrq_char()
to handle sysrq.
The port lock is a spinlock_t which is becomes a sleeping lock on PREEMPT_RT.
The driver splits the locking function into two parts: local_irq_save() and
uart_port_lock() and this breaks PREEMPT_RT.
Handle sysrq requests sysrq once the port lock is dropped.
Remove the special case in the console write routine an always use the
complete locking function.
Cc: Vladimir Zapolskiy <vz@mleia.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-10-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/lpc32xx_hs.c | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)
diff --git a/drivers/tty/serial/lpc32xx_hs.c b/drivers/tty/serial/lpc32xx_hs.c
index 269efc5e2d51f..3e4ac46de1bc3 100644
--- a/drivers/tty/serial/lpc32xx_hs.c
+++ b/drivers/tty/serial/lpc32xx_hs.c
@@ -136,20 +136,16 @@ static void lpc32xx_hsuart_console_write(struct console *co, const char *s,
int locked = 1;
touch_nmi_watchdog();
- local_irq_save(flags);
- if (up->port.sysrq)
- locked = 0;
- else if (oops_in_progress)
- locked = uart_port_trylock(&up->port);
+ if (oops_in_progress)
+ locked = uart_port_trylock_irqsave(&up->port, &flags);
else
- uart_port_lock(&up->port);
+ uart_port_lock_irqsave(&up->port, &flags);
uart_console_write(&up->port, s, count, lpc32xx_hsuart_console_putchar);
wait_for_xmit_empty(&up->port);
if (locked)
- uart_port_unlock(&up->port);
- local_irq_restore(flags);
+ uart_port_unlock_irqrestore(&up->port, flags);
}
static int __init lpc32xx_hsuart_console_setup(struct console *co,
@@ -266,7 +262,8 @@ static void __serial_lpc32xx_rx(struct uart_port *port)
tty_insert_flip_char(tport, 0, TTY_FRAME);
}
- tty_insert_flip_char(tport, (tmp & 0xFF), flag);
+ if (!uart_prepare_sysrq_char(port, tmp & 0xff))
+ tty_insert_flip_char(tport, (tmp & 0xFF), flag);
tmp = readl(LPC32XX_HSUART_FIFO(port->membase));
}
@@ -331,7 +328,7 @@ static irqreturn_t serial_lpc32xx_interrupt(int irq, void *dev_id)
__serial_lpc32xx_tx(port);
}
- uart_port_unlock(port);
+ uart_unlock_and_check_sysrq(port);
return IRQ_HANDLED;
}
--
GitLab
From 2af521486761f6f40ff00faa0cd3d52465dfd461 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:23 +0100
Subject: [PATCH 0807/2686] serial: owl: Use uart_prepare_sysrq_char() to
handle sysrq.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The port lock is a spinlock_t which is becomes a sleeping lock on PREEMPT_RT.
The driver splits the locking function into two parts: local_irq_save() and
uart_port_lock() and this breaks PREEMPT_RT.
Handle sysrq requests sysrq once the port lock is dropped.
Remove the special case in the console write routine an always use the
complete locking function.
Cc: Andreas Färber <afaerber@suse.de>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-actions@lists.infradead.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-11-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/owl-uart.c | 30 ++++++++++++------------------
1 file changed, 12 insertions(+), 18 deletions(-)
diff --git a/drivers/tty/serial/owl-uart.c b/drivers/tty/serial/owl-uart.c
index d9fe85397741d..8b60ac0ad7cd3 100644
--- a/drivers/tty/serial/owl-uart.c
+++ b/drivers/tty/serial/owl-uart.c
@@ -199,6 +199,7 @@ static void owl_uart_receive_chars(struct uart_port *port)
stat = owl_uart_read(port, OWL_UART_STAT);
while (!(stat & OWL_UART_STAT_RFEM)) {
char flag = TTY_NORMAL;
+ bool sysrq;
if (stat & OWL_UART_STAT_RXER)
port->icount.overrun++;
@@ -217,7 +218,9 @@ static void owl_uart_receive_chars(struct uart_port *port)
val = owl_uart_read(port, OWL_UART_RXDAT);
val &= 0xff;
- if ((stat & port->ignore_status_mask) == 0)
+ sysrq = uart_prepare_sysrq_char(port, val);
+
+ if (!sysrq && (stat & port->ignore_status_mask) == 0)
tty_insert_flip_char(&port->state->port, val, flag);
stat = owl_uart_read(port, OWL_UART_STAT);
@@ -229,10 +232,9 @@ static void owl_uart_receive_chars(struct uart_port *port)
static irqreturn_t owl_uart_irq(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- unsigned long flags;
u32 stat;
- uart_port_lock_irqsave(port, &flags);
+ uart_port_lock(port);
stat = owl_uart_read(port, OWL_UART_STAT);
@@ -246,7 +248,7 @@ static irqreturn_t owl_uart_irq(int irq, void *dev_id)
stat |= OWL_UART_STAT_RIP | OWL_UART_STAT_TIP;
owl_uart_write(port, stat, OWL_UART_STAT);
- uart_port_unlock_irqrestore(port, flags);
+ uart_unlock_and_check_sysrq(port);
return IRQ_HANDLED;
}
@@ -508,18 +510,12 @@ static void owl_uart_port_write(struct uart_port *port, const char *s,
{
u32 old_ctl, val;
unsigned long flags;
- int locked;
+ int locked = 1;
- local_irq_save(flags);
-
- if (port->sysrq)
- locked = 0;
- else if (oops_in_progress)
- locked = uart_port_trylock(port);
- else {
- uart_port_lock(port);
- locked = 1;
- }
+ if (oops_in_progress)
+ locked = uart_port_trylock_irqsave(port, &flags);
+ else
+ uart_port_lock_irqsave(port, &flags);
old_ctl = owl_uart_read(port, OWL_UART_CTL);
val = old_ctl | OWL_UART_CTL_TRFS_TX;
@@ -541,9 +537,7 @@ static void owl_uart_port_write(struct uart_port *port, const char *s,
owl_uart_write(port, old_ctl, OWL_UART_CTL);
if (locked)
- uart_port_unlock(port);
-
- local_irq_restore(flags);
+ uart_port_unlock_irqrestore(port, flags);
}
static void owl_uart_console_write(struct console *co, const char *s,
--
GitLab
From bb0b3142055d006431ac05663d38c069602b5967 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:24 +0100
Subject: [PATCH 0808/2686] serial: rda: Use uart_prepare_sysrq_char() to
handle sysrq.
The port lock is a spinlock_t which is becomes a sleeping lock on PREEMPT_RT.
The driver splits the locking function into two parts: local_irq_save() and
uart_port_lock() and this breaks PREEMPT_RT.
Handle sysrq requests sysrq once the port lock is dropped.
Remove the special case in the console write routine an always use the
complete locking function.
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-unisoc@lists.infradead.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-12-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/rda-uart.c | 28 ++++++++++------------------
1 file changed, 10 insertions(+), 18 deletions(-)
diff --git a/drivers/tty/serial/rda-uart.c b/drivers/tty/serial/rda-uart.c
index 13deb355cf1bc..82def9b8632a5 100644
--- a/drivers/tty/serial/rda-uart.c
+++ b/drivers/tty/serial/rda-uart.c
@@ -394,7 +394,8 @@ static void rda_uart_receive_chars(struct uart_port *port)
val &= 0xff;
port->icount.rx++;
- tty_insert_flip_char(&port->state->port, val, flag);
+ if (!uart_prepare_sysrq_char(port, val))
+ tty_insert_flip_char(&port->state->port, val, flag);
status = rda_uart_read(port, RDA_UART_STATUS);
}
@@ -405,10 +406,9 @@ static void rda_uart_receive_chars(struct uart_port *port)
static irqreturn_t rda_interrupt(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- unsigned long flags;
u32 val, irq_mask;
- uart_port_lock_irqsave(port, &flags);
+ uart_port_lock(port);
/* Clear IRQ cause */
val = rda_uart_read(port, RDA_UART_IRQ_CAUSE);
@@ -425,7 +425,7 @@ static irqreturn_t rda_interrupt(int irq, void *dev_id)
rda_uart_send_chars(port);
}
- uart_port_unlock_irqrestore(port, flags);
+ uart_unlock_and_check_sysrq(port);
return IRQ_HANDLED;
}
@@ -590,18 +590,12 @@ static void rda_uart_port_write(struct uart_port *port, const char *s,
{
u32 old_irq_mask;
unsigned long flags;
- int locked;
-
- local_irq_save(flags);
+ int locked = 1;
- if (port->sysrq) {
- locked = 0;
- } else if (oops_in_progress) {
- locked = uart_port_trylock(port);
- } else {
- uart_port_lock(port);
- locked = 1;
- }
+ if (oops_in_progress)
+ locked = uart_port_trylock_irqsave(port, &flags);
+ else
+ uart_port_lock_irqsave(port, &flags);
old_irq_mask = rda_uart_read(port, RDA_UART_IRQ_MASK);
rda_uart_write(port, 0, RDA_UART_IRQ_MASK);
@@ -615,9 +609,7 @@ static void rda_uart_port_write(struct uart_port *port, const char *s,
rda_uart_write(port, old_irq_mask, RDA_UART_IRQ_MASK);
if (locked)
- uart_port_unlock(port);
-
- local_irq_restore(flags);
+ uart_port_unlock_irqrestore(port, flags);
}
static void rda_uart_console_write(struct console *co, const char *s,
--
GitLab
From 32c694ec3efc2b7cdf921da50371297ba70e7d50 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:25 +0100
Subject: [PATCH 0809/2686] serial: sifive: Use uart_prepare_sysrq_char() to
handle sysrq.
The port lock is a spinlock_t which is becomes a sleeping lock on PREEMPT_RT.
The driver splits the locking function into two parts: local_irq_save() and
uart_port_lock() and this breaks PREEMPT_RT.
Handle sysrq requests sysrq once the port lock is dropped.
Remove the special case in the console write routine an always use the
complete locking function.
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: linux-riscv@lists.infradead.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-13-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/sifive.c | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)
diff --git a/drivers/tty/serial/sifive.c b/drivers/tty/serial/sifive.c
index a4cc569a78a25..0670fd9f84967 100644
--- a/drivers/tty/serial/sifive.c
+++ b/drivers/tty/serial/sifive.c
@@ -412,7 +412,8 @@ static void __ssp_receive_chars(struct sifive_serial_port *ssp)
break;
ssp->port.icount.rx++;
- uart_insert_char(&ssp->port, 0, 0, ch, TTY_NORMAL);
+ if (!uart_prepare_sysrq_char(&ssp->port, ch))
+ uart_insert_char(&ssp->port, 0, 0, ch, TTY_NORMAL);
}
tty_flip_buffer_push(&ssp->port.state->port);
@@ -534,7 +535,7 @@ static irqreturn_t sifive_serial_irq(int irq, void *dev_id)
if (ip & SIFIVE_SERIAL_IP_TXWM_MASK)
__ssp_transmit_chars(ssp);
- uart_port_unlock(&ssp->port);
+ uart_unlock_and_check_sysrq(&ssp->port);
return IRQ_HANDLED;
}
@@ -791,13 +792,10 @@ static void sifive_serial_console_write(struct console *co, const char *s,
if (!ssp)
return;
- local_irq_save(flags);
- if (ssp->port.sysrq)
- locked = 0;
- else if (oops_in_progress)
- locked = uart_port_trylock(&ssp->port);
+ if (oops_in_progress)
+ locked = uart_port_trylock_irqsave(&ssp->port, &flags);
else
- uart_port_lock(&ssp->port);
+ uart_port_lock_irqsave(&ssp->port, &flags);
ier = __ssp_readl(ssp, SIFIVE_SERIAL_IE_OFFS);
__ssp_writel(0, SIFIVE_SERIAL_IE_OFFS, ssp);
@@ -807,8 +805,7 @@ static void sifive_serial_console_write(struct console *co, const char *s,
__ssp_writel(ier, SIFIVE_SERIAL_IE_OFFS, ssp);
if (locked)
- uart_port_unlock(&ssp->port);
- local_irq_restore(flags);
+ uart_port_unlock_irqrestore(&ssp->port, flags);
}
static int sifive_serial_console_setup(struct console *co, char *options)
--
GitLab
From 1155f8ef1f9a3b4795f9e758b1393b6acb1afef9 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:26 +0100
Subject: [PATCH 0810/2686] serial: pch: Invoke handle_rx_to() directly.
handle_rx() is only a wrapper around handle_rx_to() without any
additional functionality.
Invoke handle_rx_to() directly and remove handle_rx().
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-14-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/pch_uart.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 436cc6d52a11b..29ed6f8621d7d 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -778,11 +778,6 @@ static int handle_rx_to(struct eg20t_port *priv)
return PCH_UART_HANDLED_RX_INT;
}
-static int handle_rx(struct eg20t_port *priv)
-{
- return handle_rx_to(priv);
-}
-
static int dma_handle_rx(struct eg20t_port *priv)
{
struct uart_port *port = &priv->port;
@@ -1051,7 +1046,7 @@ static irqreturn_t pch_uart_interrupt(int irq, void *dev_id)
PCH_UART_HAL_RX_INT |
PCH_UART_HAL_RX_ERR_INT);
} else {
- ret = handle_rx(priv);
+ ret = handle_rx_to(priv);
}
break;
case PCH_UART_IID_RDR_TO: /* Received Data Ready
--
GitLab
From 09b8ff269401b2064afb5df42529bc18f6ad7d76 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:27 +0100
Subject: [PATCH 0811/2686] serial: pch: Make push_rx() return void.
push_rx() returns always 0.
Make push_rx() return void.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-15-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/pch_uart.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 29ed6f8621d7d..124eb816fca7e 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -599,16 +599,14 @@ static void pch_uart_hal_set_break(struct eg20t_port *priv, int on)
iowrite8(lcr, priv->membase + UART_LCR);
}
-static int push_rx(struct eg20t_port *priv, const unsigned char *buf,
- int size)
+static void push_rx(struct eg20t_port *priv, const unsigned char *buf,
+ int size)
{
struct uart_port *port = &priv->port;
struct tty_port *tport = &port->state->port;
tty_insert_flip_string(tport, buf, size);
tty_flip_buffer_push(tport);
-
- return 0;
}
static int dma_push_rx(struct eg20t_port *priv, int size)
@@ -761,7 +759,7 @@ static int handle_rx_to(struct eg20t_port *priv)
{
struct pch_uart_buffer *buf;
int rx_size;
- int ret;
+
if (!priv->start_rx) {
pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_RX_INT |
PCH_UART_HAL_RX_ERR_INT);
@@ -770,9 +768,7 @@ static int handle_rx_to(struct eg20t_port *priv)
buf = &priv->rxbuf;
do {
rx_size = pch_uart_hal_read(priv, buf->buf, buf->size);
- ret = push_rx(priv, buf->buf, rx_size);
- if (ret)
- return 0;
+ push_rx(priv, buf->buf, rx_size);
} while (rx_size == buf->size);
return PCH_UART_HANDLED_RX_INT;
--
GitLab
From f8ff23ebce8c305383c8070e1ea3b08a69eb1e8d Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:28 +0100
Subject: [PATCH 0812/2686] serial: pch: Don't disable interrupts while
acquiring lock in ISR.
The interrupt service routine is always invoked with disabled
interrupts.
Remove the _irqsave() from the locking functions in the interrupts
service routine/ pch_uart_interrupt().
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-16-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/pch_uart.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 124eb816fca7e..6e259f4139153 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1010,11 +1010,10 @@ static irqreturn_t pch_uart_interrupt(int irq, void *dev_id)
u8 lsr;
int ret = 0;
unsigned char iid;
- unsigned long flags;
int next = 1;
u8 msr;
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock(&priv->lock);
handled = 0;
while (next) {
iid = pch_uart_hal_get_iid(priv);
@@ -1074,7 +1073,7 @@ static irqreturn_t pch_uart_interrupt(int irq, void *dev_id)
handled |= (unsigned int)ret;
}
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock(&priv->lock);
return IRQ_RETVAL(handled);
}
--
GitLab
From 38f3fc2e82a03d6dbb30c1fecacc630bd0ac9c28 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:29 +0100
Subject: [PATCH 0813/2686] serial: pch: Don't initialize uart_port's
spin_lock.
There is no need to directly initialize the spinlock_t in struct
uart_port. The structure is later passed to uart_add_one_port() which
initialize the complete struct including the lock member.
Remove spin_lock_init() on uart_port's internal lock.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-17-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/pch_uart.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 6e259f4139153..3911703918764 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1725,8 +1725,6 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev,
KBUILD_MODNAME ":" PCH_UART_DRIVER_DEVICE "%d",
priv->port.line);
- spin_lock_init(&priv->port.lock);
-
pci_set_drvdata(pdev, priv);
priv->trigger_level = 1;
priv->fcr = 0;
--
GitLab
From 06d28ca0c66cbb4e3716454f365f9cbb1e57a681 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:30 +0100
Subject: [PATCH 0814/2686] serial: pch: Remove eg20t_port::lock.
The struct eg20t_port has a spinlock_t which is used for locking while
access I/O of the device. Then there is the uart_portlock which is
sometimes and nests within eg20t_port's lock.
The uart_port lock is not used while using the struct in
pch_uart_hal_read() which might be okay. Then both locks are used in
pch_console_write() which looks odd especially the double try_lock part.
All in all it looks like the uart_port's lock could replace eg20t_port's
lock and simplify the code.
Remove eg20t_port::lock and use uart_port's lock for the lock scope.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-18-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/pch_uart.c | 26 ++++++--------------------
1 file changed, 6 insertions(+), 20 deletions(-)
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 3911703918764..92cb3c623cc31 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -237,9 +237,6 @@ struct eg20t_port {
#define IRQ_NAME_SIZE 17
char irq_name[IRQ_NAME_SIZE];
-
- /* protect the eg20t_port private structure and io access to membase */
- spinlock_t lock;
};
/**
@@ -1013,7 +1010,7 @@ static irqreturn_t pch_uart_interrupt(int irq, void *dev_id)
int next = 1;
u8 msr;
- spin_lock(&priv->lock);
+ uart_port_lock(&priv->port);
handled = 0;
while (next) {
iid = pch_uart_hal_get_iid(priv);
@@ -1073,7 +1070,7 @@ static irqreturn_t pch_uart_interrupt(int irq, void *dev_id)
handled |= (unsigned int)ret;
}
- spin_unlock(&priv->lock);
+ uart_port_unlock(&priv->port);
return IRQ_RETVAL(handled);
}
@@ -1184,9 +1181,9 @@ static void pch_uart_break_ctl(struct uart_port *port, int ctl)
unsigned long flags;
priv = container_of(port, struct eg20t_port, port);
- spin_lock_irqsave(&priv->lock, flags);
+ uart_port_lock_irqsave(&priv->port, &flags);
pch_uart_hal_set_break(priv, ctl);
- spin_unlock_irqrestore(&priv->lock, flags);
+ uart_port_unlock_irqrestore(&priv->port, flags);
}
/* Grab any interrupt resources and initialise any low level driver state. */
@@ -1336,8 +1333,7 @@ static void pch_uart_set_termios(struct uart_port *port,
baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk / 16);
- spin_lock_irqsave(&priv->lock, flags);
- uart_port_lock(port);
+ uart_port_lock_irqsave(port, &flags);
uart_update_timeout(port, termios->c_cflag, baud);
rtn = pch_uart_hal_set_line(priv, baud, parity, bits, stb);
@@ -1350,8 +1346,7 @@ static void pch_uart_set_termios(struct uart_port *port,
tty_termios_encode_baud_rate(termios, baud, baud);
out:
- uart_port_unlock(port);
- spin_unlock_irqrestore(&priv->lock, flags);
+ uart_port_unlock_irqrestore(port, flags);
}
static const char *pch_uart_type(struct uart_port *port)
@@ -1555,7 +1550,6 @@ pch_console_write(struct console *co, const char *s, unsigned int count)
{
struct eg20t_port *priv;
unsigned long flags;
- int priv_locked = 1;
int port_locked = 1;
u8 ier;
@@ -1565,15 +1559,11 @@ pch_console_write(struct console *co, const char *s, unsigned int count)
local_irq_save(flags);
if (priv->port.sysrq) {
- /* call to uart_handle_sysrq_char already took the priv lock */
- priv_locked = 0;
/* serial8250_handle_port() already took the port lock */
port_locked = 0;
} else if (oops_in_progress) {
- priv_locked = spin_trylock(&priv->lock);
port_locked = uart_port_trylock(&priv->port);
} else {
- spin_lock(&priv->lock);
uart_port_lock(&priv->port);
}
@@ -1595,8 +1585,6 @@ pch_console_write(struct console *co, const char *s, unsigned int count)
if (port_locked)
uart_port_unlock(&priv->port);
- if (priv_locked)
- spin_unlock(&priv->lock);
local_irq_restore(flags);
}
@@ -1694,8 +1682,6 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev,
pci_enable_msi(pdev);
pci_set_master(pdev);
- spin_lock_init(&priv->lock);
-
iobase = pci_resource_start(pdev, 0);
mapbase = pci_resource_start(pdev, 1);
priv->mapbase = mapbase;
--
GitLab
From d47dd323bf959dbf5f3e7f83373c8ed5f3bec9c0 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Mar 2024 22:45:31 +0100
Subject: [PATCH 0815/2686] serial: pch: Use uart_prepare_sysrq_char().
The port lock is a spinlock_t which is becomes a sleeping lock on PREEMPT_RT.
The driver splits the locking function into two parts: local_irq_save() and
uart_port_lock() and this breaks PREEMPT_RT.
Delay handling sysrq until port lock is dropped.
Remove the special case in the console write routine an always use the
complete locking function.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20240301215246.891055-19-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/pch_uart.c | 24 +++++++++---------------
1 file changed, 9 insertions(+), 15 deletions(-)
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 92cb3c623cc31..89257cddf5405 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -564,7 +564,7 @@ static int pch_uart_hal_read(struct eg20t_port *priv, unsigned char *buf,
if (uart_handle_break(port))
continue;
}
- if (uart_handle_sysrq_char(port, rbr))
+ if (uart_prepare_sysrq_char(port, rbr))
continue;
buf[i++] = rbr;
@@ -1070,7 +1070,7 @@ static irqreturn_t pch_uart_interrupt(int irq, void *dev_id)
handled |= (unsigned int)ret;
}
- uart_port_unlock(&priv->port);
+ uart_unlock_and_check_sysrq(&priv->port);
return IRQ_RETVAL(handled);
}
@@ -1550,22 +1550,17 @@ pch_console_write(struct console *co, const char *s, unsigned int count)
{
struct eg20t_port *priv;
unsigned long flags;
- int port_locked = 1;
+ int locked = 1;
u8 ier;
priv = pch_uart_ports[co->index];
touch_nmi_watchdog();
- local_irq_save(flags);
- if (priv->port.sysrq) {
- /* serial8250_handle_port() already took the port lock */
- port_locked = 0;
- } else if (oops_in_progress) {
- port_locked = uart_port_trylock(&priv->port);
- } else {
- uart_port_lock(&priv->port);
- }
+ if (oops_in_progress)
+ locked = uart_port_trylock_irqsave(&priv->port, &flags);
+ else
+ uart_port_lock_irqsave(&priv->port, &flags);
/*
* First save the IER then disable the interrupts
@@ -1583,9 +1578,8 @@ pch_console_write(struct console *co, const char *s, unsigned int count)
wait_for_xmitr(priv, UART_LSR_BOTH_EMPTY);
iowrite8(ier, priv->membase + UART_IER);
- if (port_locked)
- uart_port_unlock(&priv->port);
- local_irq_restore(flags);
+ if (locked)
+ uart_port_unlock_irqrestore(&priv->port, flags);
}
static int __init pch_console_setup(struct console *co, char *options)
--
GitLab
From 0e3f7d120086c8b9d6e1ae0dd4917fc529daa1ca Mon Sep 17 00:00:00 2001
From: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Date: Tue, 20 Feb 2024 06:55:33 -0800
Subject: [PATCH 0816/2686] hyperv-tlfs: Change prefix of generic HV_REGISTER_*
MSRs to HV_MSR_*
The HV_REGISTER_ are used as arguments to hv_set/get_register(), which
delegate to arch-specific mechanisms for getting/setting synthetic
Hyper-V MSRs.
On arm64, HV_REGISTER_ defines are synthetic VP registers accessed via
the get/set vp registers hypercalls. The naming matches the TLFS
document, although these register names are not specific to arm64.
However, on x86 the prefix HV_REGISTER_ indicates Hyper-V MSRs accessed
via rdmsrl()/wrmsrl(). This is not consistent with the TLFS doc, where
HV_REGISTER_ is *only* used for used for VP register names used by
the get/set register hypercalls.
To fix this inconsistency and prevent future confusion, change the
arch-generic aliases used by callers of hv_set/get_register() to have
the prefix HV_MSR_ instead of HV_REGISTER_.
Use the prefix HV_X64_MSR_ for the x86-only Hyper-V MSRs. On x86, the
generic HV_MSR_'s point to the corresponding HV_X64_MSR_.
Move the arm64 HV_REGISTER_* defines to the asm-generic hyperv-tlfs.h,
since these are not specific to arm64. On arm64, the generic HV_MSR_'s
point to the corresponding HV_REGISTER_.
While at it, rename hv_get/set_registers() and related functions to
hv_get/set_msr(), hv_get/set_nested_msr(), etc. These are only used for
Hyper-V MSRs and this naming makes that clear.
Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Reviewed-by: Wei Liu <wei.liu@kernel.org>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Link: https://lore.kernel.org/r/1708440933-27125-1-git-send-email-nunodasneves@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1708440933-27125-1-git-send-email-nunodasneves@linux.microsoft.com>
---
arch/arm64/include/asm/hyperv-tlfs.h | 45 ++++-----
arch/arm64/include/asm/mshyperv.h | 4 +-
arch/x86/hyperv/hv_init.c | 8 +-
arch/x86/include/asm/hyperv-tlfs.h | 145 ++++++++++++++-------------
arch/x86/include/asm/mshyperv.h | 30 +++---
arch/x86/kernel/cpu/mshyperv.c | 56 +++++------
drivers/clocksource/hyperv_timer.c | 26 ++---
drivers/hv/hv.c | 36 +++----
drivers/hv/hv_common.c | 22 ++--
include/asm-generic/hyperv-tlfs.h | 32 +++++-
include/asm-generic/mshyperv.h | 2 +-
11 files changed, 216 insertions(+), 190 deletions(-)
diff --git a/arch/arm64/include/asm/hyperv-tlfs.h b/arch/arm64/include/asm/hyperv-tlfs.h
index bc6c7ac934a1a..54846d1d29c36 100644
--- a/arch/arm64/include/asm/hyperv-tlfs.h
+++ b/arch/arm64/include/asm/hyperv-tlfs.h
@@ -21,14 +21,6 @@
* byte ordering of Linux running on ARM64, so no special handling is required.
*/
-/*
- * These Hyper-V registers provide information equivalent to the CPUID
- * instruction on x86/x64.
- */
-#define HV_REGISTER_HYPERVISOR_VERSION 0x00000100 /*CPUID 0x40000002 */
-#define HV_REGISTER_FEATURES 0x00000200 /*CPUID 0x40000003 */
-#define HV_REGISTER_ENLIGHTENMENTS 0x00000201 /*CPUID 0x40000004 */
-
/*
* Group C Features. See the asm-generic version of hyperv-tlfs.h
* for a description of Feature Groups.
@@ -41,28 +33,29 @@
#define HV_STIMER_DIRECT_MODE_AVAILABLE BIT(13)
/*
- * Synthetic register definitions equivalent to MSRs on x86/x64
+ * To support arch-generic code calling hv_set/get_register:
+ * - On x86, HV_MSR_ indicates an MSR accessed via rdmsrl/wrmsrl
+ * - On ARM, HV_MSR_ indicates a VP register accessed via hypercall
*/
-#define HV_REGISTER_CRASH_P0 0x00000210
-#define HV_REGISTER_CRASH_P1 0x00000211
-#define HV_REGISTER_CRASH_P2 0x00000212
-#define HV_REGISTER_CRASH_P3 0x00000213
-#define HV_REGISTER_CRASH_P4 0x00000214
-#define HV_REGISTER_CRASH_CTL 0x00000215
+#define HV_MSR_CRASH_P0 (HV_REGISTER_CRASH_P0)
+#define HV_MSR_CRASH_P1 (HV_REGISTER_CRASH_P1)
+#define HV_MSR_CRASH_P2 (HV_REGISTER_CRASH_P2)
+#define HV_MSR_CRASH_P3 (HV_REGISTER_CRASH_P3)
+#define HV_MSR_CRASH_P4 (HV_REGISTER_CRASH_P4)
+#define HV_MSR_CRASH_CTL (HV_REGISTER_CRASH_CTL)
-#define HV_REGISTER_GUEST_OSID 0x00090002
-#define HV_REGISTER_VP_INDEX 0x00090003
-#define HV_REGISTER_TIME_REF_COUNT 0x00090004
-#define HV_REGISTER_REFERENCE_TSC 0x00090017
+#define HV_MSR_VP_INDEX (HV_REGISTER_VP_INDEX)
+#define HV_MSR_TIME_REF_COUNT (HV_REGISTER_TIME_REF_COUNT)
+#define HV_MSR_REFERENCE_TSC (HV_REGISTER_REFERENCE_TSC)
-#define HV_REGISTER_SINT0 0x000A0000
-#define HV_REGISTER_SCONTROL 0x000A0010
-#define HV_REGISTER_SIEFP 0x000A0012
-#define HV_REGISTER_SIMP 0x000A0013
-#define HV_REGISTER_EOM 0x000A0014
+#define HV_MSR_SINT0 (HV_REGISTER_SINT0)
+#define HV_MSR_SCONTROL (HV_REGISTER_SCONTROL)
+#define HV_MSR_SIEFP (HV_REGISTER_SIEFP)
+#define HV_MSR_SIMP (HV_REGISTER_SIMP)
+#define HV_MSR_EOM (HV_REGISTER_EOM)
-#define HV_REGISTER_STIMER0_CONFIG 0x000B0000
-#define HV_REGISTER_STIMER0_COUNT 0x000B0001
+#define HV_MSR_STIMER0_CONFIG (HV_REGISTER_STIMER0_CONFIG)
+#define HV_MSR_STIMER0_COUNT (HV_REGISTER_STIMER0_COUNT)
union hv_msi_entry {
u64 as_uint64[2];
diff --git a/arch/arm64/include/asm/mshyperv.h b/arch/arm64/include/asm/mshyperv.h
index 20070a847304c..a975e1a689ddb 100644
--- a/arch/arm64/include/asm/mshyperv.h
+++ b/arch/arm64/include/asm/mshyperv.h
@@ -31,12 +31,12 @@ void hv_set_vpreg(u32 reg, u64 value);
u64 hv_get_vpreg(u32 reg);
void hv_get_vpreg_128(u32 reg, struct hv_get_vp_registers_output *result);
-static inline void hv_set_register(unsigned int reg, u64 value)
+static inline void hv_set_msr(unsigned int reg, u64 value)
{
hv_set_vpreg(reg, value);
}
-static inline u64 hv_get_register(unsigned int reg)
+static inline u64 hv_get_msr(unsigned int reg)
{
return hv_get_vpreg(reg);
}
diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c
index 8f3a4d16bb791..17a71e92a343e 100644
--- a/arch/x86/hyperv/hv_init.c
+++ b/arch/x86/hyperv/hv_init.c
@@ -667,14 +667,14 @@ void hyperv_cleanup(void)
hv_hypercall_pg = NULL;
/* Reset the hypercall page */
- hypercall_msr.as_uint64 = hv_get_register(HV_X64_MSR_HYPERCALL);
+ hypercall_msr.as_uint64 = hv_get_msr(HV_X64_MSR_HYPERCALL);
hypercall_msr.enable = 0;
- hv_set_register(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
+ hv_set_msr(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
/* Reset the TSC page */
- tsc_msr.as_uint64 = hv_get_register(HV_X64_MSR_REFERENCE_TSC);
+ tsc_msr.as_uint64 = hv_get_msr(HV_X64_MSR_REFERENCE_TSC);
tsc_msr.enable = 0;
- hv_set_register(HV_X64_MSR_REFERENCE_TSC, tsc_msr.as_uint64);
+ hv_set_msr(HV_X64_MSR_REFERENCE_TSC, tsc_msr.as_uint64);
}
void hyperv_report_panic(struct pt_regs *regs, long err, bool in_die)
diff --git a/arch/x86/include/asm/hyperv-tlfs.h b/arch/x86/include/asm/hyperv-tlfs.h
index 2ff26f53cd624..3787d26810c1c 100644
--- a/arch/x86/include/asm/hyperv-tlfs.h
+++ b/arch/x86/include/asm/hyperv-tlfs.h
@@ -182,7 +182,7 @@ enum hv_isolation_type {
#define HV_X64_MSR_HYPERCALL 0x40000001
/* MSR used to provide vcpu index */
-#define HV_REGISTER_VP_INDEX 0x40000002
+#define HV_X64_MSR_VP_INDEX 0x40000002
/* MSR used to reset the guest OS. */
#define HV_X64_MSR_RESET 0x40000003
@@ -191,10 +191,10 @@ enum hv_isolation_type {
#define HV_X64_MSR_VP_RUNTIME 0x40000010
/* MSR used to read the per-partition time reference counter */
-#define HV_REGISTER_TIME_REF_COUNT 0x40000020
+#define HV_X64_MSR_TIME_REF_COUNT 0x40000020
/* A partition's reference time stamp counter (TSC) page */
-#define HV_REGISTER_REFERENCE_TSC 0x40000021
+#define HV_X64_MSR_REFERENCE_TSC 0x40000021
/* MSR used to retrieve the TSC frequency */
#define HV_X64_MSR_TSC_FREQUENCY 0x40000022
@@ -209,61 +209,61 @@ enum hv_isolation_type {
#define HV_X64_MSR_VP_ASSIST_PAGE 0x40000073
/* Define synthetic interrupt controller model specific registers. */
-#define HV_REGISTER_SCONTROL 0x40000080
-#define HV_REGISTER_SVERSION 0x40000081
-#define HV_REGISTER_SIEFP 0x40000082
-#define HV_REGISTER_SIMP 0x40000083
-#define HV_REGISTER_EOM 0x40000084
-#define HV_REGISTER_SINT0 0x40000090
-#define HV_REGISTER_SINT1 0x40000091
-#define HV_REGISTER_SINT2 0x40000092
-#define HV_REGISTER_SINT3 0x40000093
-#define HV_REGISTER_SINT4 0x40000094
-#define HV_REGISTER_SINT5 0x40000095
-#define HV_REGISTER_SINT6 0x40000096
-#define HV_REGISTER_SINT7 0x40000097
-#define HV_REGISTER_SINT8 0x40000098
-#define HV_REGISTER_SINT9 0x40000099
-#define HV_REGISTER_SINT10 0x4000009A
-#define HV_REGISTER_SINT11 0x4000009B
-#define HV_REGISTER_SINT12 0x4000009C
-#define HV_REGISTER_SINT13 0x4000009D
-#define HV_REGISTER_SINT14 0x4000009E
-#define HV_REGISTER_SINT15 0x4000009F
+#define HV_X64_MSR_SCONTROL 0x40000080
+#define HV_X64_MSR_SVERSION 0x40000081
+#define HV_X64_MSR_SIEFP 0x40000082
+#define HV_X64_MSR_SIMP 0x40000083
+#define HV_X64_MSR_EOM 0x40000084
+#define HV_X64_MSR_SINT0 0x40000090
+#define HV_X64_MSR_SINT1 0x40000091
+#define HV_X64_MSR_SINT2 0x40000092
+#define HV_X64_MSR_SINT3 0x40000093
+#define HV_X64_MSR_SINT4 0x40000094
+#define HV_X64_MSR_SINT5 0x40000095
+#define HV_X64_MSR_SINT6 0x40000096
+#define HV_X64_MSR_SINT7 0x40000097
+#define HV_X64_MSR_SINT8 0x40000098
+#define HV_X64_MSR_SINT9 0x40000099
+#define HV_X64_MSR_SINT10 0x4000009A
+#define HV_X64_MSR_SINT11 0x4000009B
+#define HV_X64_MSR_SINT12 0x4000009C
+#define HV_X64_MSR_SINT13 0x4000009D
+#define HV_X64_MSR_SINT14 0x4000009E
+#define HV_X64_MSR_SINT15 0x4000009F
/*
* Define synthetic interrupt controller model specific registers for
* nested hypervisor.
*/
-#define HV_REGISTER_NESTED_SCONTROL 0x40001080
-#define HV_REGISTER_NESTED_SVERSION 0x40001081
-#define HV_REGISTER_NESTED_SIEFP 0x40001082
-#define HV_REGISTER_NESTED_SIMP 0x40001083
-#define HV_REGISTER_NESTED_EOM 0x40001084
-#define HV_REGISTER_NESTED_SINT0 0x40001090
+#define HV_X64_MSR_NESTED_SCONTROL 0x40001080
+#define HV_X64_MSR_NESTED_SVERSION 0x40001081
+#define HV_X64_MSR_NESTED_SIEFP 0x40001082
+#define HV_X64_MSR_NESTED_SIMP 0x40001083
+#define HV_X64_MSR_NESTED_EOM 0x40001084
+#define HV_X64_MSR_NESTED_SINT0 0x40001090
/*
* Synthetic Timer MSRs. Four timers per vcpu.
*/
-#define HV_REGISTER_STIMER0_CONFIG 0x400000B0
-#define HV_REGISTER_STIMER0_COUNT 0x400000B1
-#define HV_REGISTER_STIMER1_CONFIG 0x400000B2
-#define HV_REGISTER_STIMER1_COUNT 0x400000B3
-#define HV_REGISTER_STIMER2_CONFIG 0x400000B4
-#define HV_REGISTER_STIMER2_COUNT 0x400000B5
-#define HV_REGISTER_STIMER3_CONFIG 0x400000B6
-#define HV_REGISTER_STIMER3_COUNT 0x400000B7
+#define HV_X64_MSR_STIMER0_CONFIG 0x400000B0
+#define HV_X64_MSR_STIMER0_COUNT 0x400000B1
+#define HV_X64_MSR_STIMER1_CONFIG 0x400000B2
+#define HV_X64_MSR_STIMER1_COUNT 0x400000B3
+#define HV_X64_MSR_STIMER2_CONFIG 0x400000B4
+#define HV_X64_MSR_STIMER2_COUNT 0x400000B5
+#define HV_X64_MSR_STIMER3_CONFIG 0x400000B6
+#define HV_X64_MSR_STIMER3_COUNT 0x400000B7
/* Hyper-V guest idle MSR */
#define HV_X64_MSR_GUEST_IDLE 0x400000F0
/* Hyper-V guest crash notification MSR's */
-#define HV_REGISTER_CRASH_P0 0x40000100
-#define HV_REGISTER_CRASH_P1 0x40000101
-#define HV_REGISTER_CRASH_P2 0x40000102
-#define HV_REGISTER_CRASH_P3 0x40000103
-#define HV_REGISTER_CRASH_P4 0x40000104
-#define HV_REGISTER_CRASH_CTL 0x40000105
+#define HV_X64_MSR_CRASH_P0 0x40000100
+#define HV_X64_MSR_CRASH_P1 0x40000101
+#define HV_X64_MSR_CRASH_P2 0x40000102
+#define HV_X64_MSR_CRASH_P3 0x40000103
+#define HV_X64_MSR_CRASH_P4 0x40000104
+#define HV_X64_MSR_CRASH_CTL 0x40000105
/* TSC emulation after migration */
#define HV_X64_MSR_REENLIGHTENMENT_CONTROL 0x40000106
@@ -276,31 +276,38 @@ enum hv_isolation_type {
/* HV_X64_MSR_TSC_INVARIANT_CONTROL bits */
#define HV_EXPOSE_INVARIANT_TSC BIT_ULL(0)
-/* Register name aliases for temporary compatibility */
-#define HV_X64_MSR_STIMER0_COUNT HV_REGISTER_STIMER0_COUNT
-#define HV_X64_MSR_STIMER0_CONFIG HV_REGISTER_STIMER0_CONFIG
-#define HV_X64_MSR_STIMER1_COUNT HV_REGISTER_STIMER1_COUNT
-#define HV_X64_MSR_STIMER1_CONFIG HV_REGISTER_STIMER1_CONFIG
-#define HV_X64_MSR_STIMER2_COUNT HV_REGISTER_STIMER2_COUNT
-#define HV_X64_MSR_STIMER2_CONFIG HV_REGISTER_STIMER2_CONFIG
-#define HV_X64_MSR_STIMER3_COUNT HV_REGISTER_STIMER3_COUNT
-#define HV_X64_MSR_STIMER3_CONFIG HV_REGISTER_STIMER3_CONFIG
-#define HV_X64_MSR_SCONTROL HV_REGISTER_SCONTROL
-#define HV_X64_MSR_SVERSION HV_REGISTER_SVERSION
-#define HV_X64_MSR_SIMP HV_REGISTER_SIMP
-#define HV_X64_MSR_SIEFP HV_REGISTER_SIEFP
-#define HV_X64_MSR_VP_INDEX HV_REGISTER_VP_INDEX
-#define HV_X64_MSR_EOM HV_REGISTER_EOM
-#define HV_X64_MSR_SINT0 HV_REGISTER_SINT0
-#define HV_X64_MSR_SINT15 HV_REGISTER_SINT15
-#define HV_X64_MSR_CRASH_P0 HV_REGISTER_CRASH_P0
-#define HV_X64_MSR_CRASH_P1 HV_REGISTER_CRASH_P1
-#define HV_X64_MSR_CRASH_P2 HV_REGISTER_CRASH_P2
-#define HV_X64_MSR_CRASH_P3 HV_REGISTER_CRASH_P3
-#define HV_X64_MSR_CRASH_P4 HV_REGISTER_CRASH_P4
-#define HV_X64_MSR_CRASH_CTL HV_REGISTER_CRASH_CTL
-#define HV_X64_MSR_TIME_REF_COUNT HV_REGISTER_TIME_REF_COUNT
-#define HV_X64_MSR_REFERENCE_TSC HV_REGISTER_REFERENCE_TSC
+/*
+ * To support arch-generic code calling hv_set/get_register:
+ * - On x86, HV_MSR_ indicates an MSR accessed via rdmsrl/wrmsrl
+ * - On ARM, HV_MSR_ indicates a VP register accessed via hypercall
+ */
+#define HV_MSR_CRASH_P0 (HV_X64_MSR_CRASH_P0)
+#define HV_MSR_CRASH_P1 (HV_X64_MSR_CRASH_P1)
+#define HV_MSR_CRASH_P2 (HV_X64_MSR_CRASH_P2)
+#define HV_MSR_CRASH_P3 (HV_X64_MSR_CRASH_P3)
+#define HV_MSR_CRASH_P4 (HV_X64_MSR_CRASH_P4)
+#define HV_MSR_CRASH_CTL (HV_X64_MSR_CRASH_CTL)
+
+#define HV_MSR_VP_INDEX (HV_X64_MSR_VP_INDEX)
+#define HV_MSR_TIME_REF_COUNT (HV_X64_MSR_TIME_REF_COUNT)
+#define HV_MSR_REFERENCE_TSC (HV_X64_MSR_REFERENCE_TSC)
+
+#define HV_MSR_SINT0 (HV_X64_MSR_SINT0)
+#define HV_MSR_SVERSION (HV_X64_MSR_SVERSION)
+#define HV_MSR_SCONTROL (HV_X64_MSR_SCONTROL)
+#define HV_MSR_SIEFP (HV_X64_MSR_SIEFP)
+#define HV_MSR_SIMP (HV_X64_MSR_SIMP)
+#define HV_MSR_EOM (HV_X64_MSR_EOM)
+
+#define HV_MSR_NESTED_SCONTROL (HV_X64_MSR_NESTED_SCONTROL)
+#define HV_MSR_NESTED_SVERSION (HV_X64_MSR_NESTED_SVERSION)
+#define HV_MSR_NESTED_SIEFP (HV_X64_MSR_NESTED_SIEFP)
+#define HV_MSR_NESTED_SIMP (HV_X64_MSR_NESTED_SIMP)
+#define HV_MSR_NESTED_EOM (HV_X64_MSR_NESTED_EOM)
+#define HV_MSR_NESTED_SINT0 (HV_X64_MSR_NESTED_SINT0)
+
+#define HV_MSR_STIMER0_CONFIG (HV_X64_MSR_STIMER0_CONFIG)
+#define HV_MSR_STIMER0_COUNT (HV_X64_MSR_STIMER0_COUNT)
/*
* Registers are only accessible via HVCALL_GET_VP_REGISTERS hvcall and
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index ce4ce8720d55c..390c4d13956d0 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -293,24 +293,24 @@ static inline void hv_ivm_msr_write(u64 msr, u64 value) {}
static inline void hv_ivm_msr_read(u64 msr, u64 *value) {}
#endif
-static inline bool hv_is_synic_reg(unsigned int reg)
+static inline bool hv_is_synic_msr(unsigned int reg)
{
- return (reg >= HV_REGISTER_SCONTROL) &&
- (reg <= HV_REGISTER_SINT15);
+ return (reg >= HV_X64_MSR_SCONTROL) &&
+ (reg <= HV_X64_MSR_SINT15);
}
-static inline bool hv_is_sint_reg(unsigned int reg)
+static inline bool hv_is_sint_msr(unsigned int reg)
{
- return (reg >= HV_REGISTER_SINT0) &&
- (reg <= HV_REGISTER_SINT15);
+ return (reg >= HV_X64_MSR_SINT0) &&
+ (reg <= HV_X64_MSR_SINT15);
}
-u64 hv_get_register(unsigned int reg);
-void hv_set_register(unsigned int reg, u64 value);
-u64 hv_get_non_nested_register(unsigned int reg);
-void hv_set_non_nested_register(unsigned int reg, u64 value);
+u64 hv_get_msr(unsigned int reg);
+void hv_set_msr(unsigned int reg, u64 value);
+u64 hv_get_non_nested_msr(unsigned int reg);
+void hv_set_non_nested_msr(unsigned int reg, u64 value);
-static __always_inline u64 hv_raw_get_register(unsigned int reg)
+static __always_inline u64 hv_raw_get_msr(unsigned int reg)
{
return __rdmsr(reg);
}
@@ -331,10 +331,10 @@ static inline int hyperv_flush_guest_mapping_range(u64 as,
{
return -1;
}
-static inline void hv_set_register(unsigned int reg, u64 value) { }
-static inline u64 hv_get_register(unsigned int reg) { return 0; }
-static inline void hv_set_non_nested_register(unsigned int reg, u64 value) { }
-static inline u64 hv_get_non_nested_register(unsigned int reg) { return 0; }
+static inline void hv_set_msr(unsigned int reg, u64 value) { }
+static inline u64 hv_get_msr(unsigned int reg) { return 0; }
+static inline void hv_set_non_nested_msr(unsigned int reg, u64 value) { }
+static inline u64 hv_get_non_nested_msr(unsigned int reg) { return 0; }
#endif /* CONFIG_HYPERV */
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 01fa06dd06b66..d306f6184ceee 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -45,70 +45,70 @@ bool hyperv_paravisor_present __ro_after_init;
EXPORT_SYMBOL_GPL(hyperv_paravisor_present);
#if IS_ENABLED(CONFIG_HYPERV)
-static inline unsigned int hv_get_nested_reg(unsigned int reg)
+static inline unsigned int hv_get_nested_msr(unsigned int reg)
{
- if (hv_is_sint_reg(reg))
- return reg - HV_REGISTER_SINT0 + HV_REGISTER_NESTED_SINT0;
+ if (hv_is_sint_msr(reg))
+ return reg - HV_X64_MSR_SINT0 + HV_X64_MSR_NESTED_SINT0;
switch (reg) {
- case HV_REGISTER_SIMP:
- return HV_REGISTER_NESTED_SIMP;
- case HV_REGISTER_SIEFP:
- return HV_REGISTER_NESTED_SIEFP;
- case HV_REGISTER_SVERSION:
- return HV_REGISTER_NESTED_SVERSION;
- case HV_REGISTER_SCONTROL:
- return HV_REGISTER_NESTED_SCONTROL;
- case HV_REGISTER_EOM:
- return HV_REGISTER_NESTED_EOM;
+ case HV_X64_MSR_SIMP:
+ return HV_X64_MSR_NESTED_SIMP;
+ case HV_X64_MSR_SIEFP:
+ return HV_X64_MSR_NESTED_SIEFP;
+ case HV_X64_MSR_SVERSION:
+ return HV_X64_MSR_NESTED_SVERSION;
+ case HV_X64_MSR_SCONTROL:
+ return HV_X64_MSR_NESTED_SCONTROL;
+ case HV_X64_MSR_EOM:
+ return HV_X64_MSR_NESTED_EOM;
default:
return reg;
}
}
-u64 hv_get_non_nested_register(unsigned int reg)
+u64 hv_get_non_nested_msr(unsigned int reg)
{
u64 value;
- if (hv_is_synic_reg(reg) && ms_hyperv.paravisor_present)
+ if (hv_is_synic_msr(reg) && ms_hyperv.paravisor_present)
hv_ivm_msr_read(reg, &value);
else
rdmsrl(reg, value);
return value;
}
-EXPORT_SYMBOL_GPL(hv_get_non_nested_register);
+EXPORT_SYMBOL_GPL(hv_get_non_nested_msr);
-void hv_set_non_nested_register(unsigned int reg, u64 value)
+void hv_set_non_nested_msr(unsigned int reg, u64 value)
{
- if (hv_is_synic_reg(reg) && ms_hyperv.paravisor_present) {
+ if (hv_is_synic_msr(reg) && ms_hyperv.paravisor_present) {
hv_ivm_msr_write(reg, value);
/* Write proxy bit via wrmsl instruction */
- if (hv_is_sint_reg(reg))
+ if (hv_is_sint_msr(reg))
wrmsrl(reg, value | 1 << 20);
} else {
wrmsrl(reg, value);
}
}
-EXPORT_SYMBOL_GPL(hv_set_non_nested_register);
+EXPORT_SYMBOL_GPL(hv_set_non_nested_msr);
-u64 hv_get_register(unsigned int reg)
+u64 hv_get_msr(unsigned int reg)
{
if (hv_nested)
- reg = hv_get_nested_reg(reg);
+ reg = hv_get_nested_msr(reg);
- return hv_get_non_nested_register(reg);
+ return hv_get_non_nested_msr(reg);
}
-EXPORT_SYMBOL_GPL(hv_get_register);
+EXPORT_SYMBOL_GPL(hv_get_msr);
-void hv_set_register(unsigned int reg, u64 value)
+void hv_set_msr(unsigned int reg, u64 value)
{
if (hv_nested)
- reg = hv_get_nested_reg(reg);
+ reg = hv_get_nested_msr(reg);
- hv_set_non_nested_register(reg, value);
+ hv_set_non_nested_msr(reg, value);
}
-EXPORT_SYMBOL_GPL(hv_set_register);
+EXPORT_SYMBOL_GPL(hv_set_msr);
static void (*vmbus_handler)(void);
static void (*hv_stimer0_handler)(void);
diff --git a/drivers/clocksource/hyperv_timer.c b/drivers/clocksource/hyperv_timer.c
index 8ff7cd4e20bb1..b2a080647e413 100644
--- a/drivers/clocksource/hyperv_timer.c
+++ b/drivers/clocksource/hyperv_timer.c
@@ -81,14 +81,14 @@ static int hv_ce_set_next_event(unsigned long delta,
current_tick = hv_read_reference_counter();
current_tick += delta;
- hv_set_register(HV_REGISTER_STIMER0_COUNT, current_tick);
+ hv_set_msr(HV_MSR_STIMER0_COUNT, current_tick);
return 0;
}
static int hv_ce_shutdown(struct clock_event_device *evt)
{
- hv_set_register(HV_REGISTER_STIMER0_COUNT, 0);
- hv_set_register(HV_REGISTER_STIMER0_CONFIG, 0);
+ hv_set_msr(HV_MSR_STIMER0_COUNT, 0);
+ hv_set_msr(HV_MSR_STIMER0_CONFIG, 0);
if (direct_mode_enabled && stimer0_irq >= 0)
disable_percpu_irq(stimer0_irq);
@@ -119,7 +119,7 @@ static int hv_ce_set_oneshot(struct clock_event_device *evt)
timer_cfg.direct_mode = 0;
timer_cfg.sintx = stimer0_message_sint;
}
- hv_set_register(HV_REGISTER_STIMER0_CONFIG, timer_cfg.as_uint64);
+ hv_set_msr(HV_MSR_STIMER0_CONFIG, timer_cfg.as_uint64);
return 0;
}
@@ -372,11 +372,11 @@ static __always_inline u64 read_hv_clock_msr(void)
* is set to 0 when the partition is created and is incremented in 100
* nanosecond units.
*
- * Use hv_raw_get_register() because this function is used from
- * noinstr. Notable; while HV_REGISTER_TIME_REF_COUNT is a synthetic
+ * Use hv_raw_get_msr() because this function is used from
+ * noinstr. Notable; while HV_MSR_TIME_REF_COUNT is a synthetic
* register it doesn't need the GHCB path.
*/
- return hv_raw_get_register(HV_REGISTER_TIME_REF_COUNT);
+ return hv_raw_get_msr(HV_MSR_TIME_REF_COUNT);
}
/*
@@ -439,9 +439,9 @@ static void suspend_hv_clock_tsc(struct clocksource *arg)
union hv_reference_tsc_msr tsc_msr;
/* Disable the TSC page */
- tsc_msr.as_uint64 = hv_get_register(HV_REGISTER_REFERENCE_TSC);
+ tsc_msr.as_uint64 = hv_get_msr(HV_MSR_REFERENCE_TSC);
tsc_msr.enable = 0;
- hv_set_register(HV_REGISTER_REFERENCE_TSC, tsc_msr.as_uint64);
+ hv_set_msr(HV_MSR_REFERENCE_TSC, tsc_msr.as_uint64);
}
@@ -450,10 +450,10 @@ static void resume_hv_clock_tsc(struct clocksource *arg)
union hv_reference_tsc_msr tsc_msr;
/* Re-enable the TSC page */
- tsc_msr.as_uint64 = hv_get_register(HV_REGISTER_REFERENCE_TSC);
+ tsc_msr.as_uint64 = hv_get_msr(HV_MSR_REFERENCE_TSC);
tsc_msr.enable = 1;
tsc_msr.pfn = tsc_pfn;
- hv_set_register(HV_REGISTER_REFERENCE_TSC, tsc_msr.as_uint64);
+ hv_set_msr(HV_MSR_REFERENCE_TSC, tsc_msr.as_uint64);
}
#ifdef HAVE_VDSO_CLOCKMODE_HVCLOCK
@@ -555,14 +555,14 @@ static void __init hv_init_tsc_clocksource(void)
* thus TSC clocksource will work even without the real TSC page
* mapped.
*/
- tsc_msr.as_uint64 = hv_get_register(HV_REGISTER_REFERENCE_TSC);
+ tsc_msr.as_uint64 = hv_get_msr(HV_MSR_REFERENCE_TSC);
if (hv_root_partition)
tsc_pfn = tsc_msr.pfn;
else
tsc_pfn = HVPFN_DOWN(virt_to_phys(tsc_page));
tsc_msr.enable = 1;
tsc_msr.pfn = tsc_pfn;
- hv_set_register(HV_REGISTER_REFERENCE_TSC, tsc_msr.as_uint64);
+ hv_set_msr(HV_MSR_REFERENCE_TSC, tsc_msr.as_uint64);
clocksource_register_hz(&hyperv_cs_tsc, NSEC_PER_SEC/100);
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 51e5018ac9b26..a8ad728354cb0 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -270,7 +270,7 @@ void hv_synic_enable_regs(unsigned int cpu)
union hv_synic_scontrol sctrl;
/* Setup the Synic's message page */
- simp.as_uint64 = hv_get_register(HV_REGISTER_SIMP);
+ simp.as_uint64 = hv_get_msr(HV_MSR_SIMP);
simp.simp_enabled = 1;
if (ms_hyperv.paravisor_present || hv_root_partition) {
@@ -286,10 +286,10 @@ void hv_synic_enable_regs(unsigned int cpu)
>> HV_HYP_PAGE_SHIFT;
}
- hv_set_register(HV_REGISTER_SIMP, simp.as_uint64);
+ hv_set_msr(HV_MSR_SIMP, simp.as_uint64);
/* Setup the Synic's event page */
- siefp.as_uint64 = hv_get_register(HV_REGISTER_SIEFP);
+ siefp.as_uint64 = hv_get_msr(HV_MSR_SIEFP);
siefp.siefp_enabled = 1;
if (ms_hyperv.paravisor_present || hv_root_partition) {
@@ -305,13 +305,12 @@ void hv_synic_enable_regs(unsigned int cpu)
>> HV_HYP_PAGE_SHIFT;
}
- hv_set_register(HV_REGISTER_SIEFP, siefp.as_uint64);
+ hv_set_msr(HV_MSR_SIEFP, siefp.as_uint64);
/* Setup the shared SINT. */
if (vmbus_irq != -1)
enable_percpu_irq(vmbus_irq, 0);
- shared_sint.as_uint64 = hv_get_register(HV_REGISTER_SINT0 +
- VMBUS_MESSAGE_SINT);
+ shared_sint.as_uint64 = hv_get_msr(HV_MSR_SINT0 + VMBUS_MESSAGE_SINT);
shared_sint.vector = vmbus_interrupt;
shared_sint.masked = false;
@@ -326,14 +325,13 @@ void hv_synic_enable_regs(unsigned int cpu)
#else
shared_sint.auto_eoi = 0;
#endif
- hv_set_register(HV_REGISTER_SINT0 + VMBUS_MESSAGE_SINT,
- shared_sint.as_uint64);
+ hv_set_msr(HV_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
/* Enable the global synic bit */
- sctrl.as_uint64 = hv_get_register(HV_REGISTER_SCONTROL);
+ sctrl.as_uint64 = hv_get_msr(HV_MSR_SCONTROL);
sctrl.enable = 1;
- hv_set_register(HV_REGISTER_SCONTROL, sctrl.as_uint64);
+ hv_set_msr(HV_MSR_SCONTROL, sctrl.as_uint64);
}
int hv_synic_init(unsigned int cpu)
@@ -357,17 +355,15 @@ void hv_synic_disable_regs(unsigned int cpu)
union hv_synic_siefp siefp;
union hv_synic_scontrol sctrl;
- shared_sint.as_uint64 = hv_get_register(HV_REGISTER_SINT0 +
- VMBUS_MESSAGE_SINT);
+ shared_sint.as_uint64 = hv_get_msr(HV_MSR_SINT0 + VMBUS_MESSAGE_SINT);
shared_sint.masked = 1;
/* Need to correctly cleanup in the case of SMP!!! */
/* Disable the interrupt */
- hv_set_register(HV_REGISTER_SINT0 + VMBUS_MESSAGE_SINT,
- shared_sint.as_uint64);
+ hv_set_msr(HV_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
- simp.as_uint64 = hv_get_register(HV_REGISTER_SIMP);
+ simp.as_uint64 = hv_get_msr(HV_MSR_SIMP);
/*
* In Isolation VM, sim and sief pages are allocated by
* paravisor. These pages also will be used by kdump
@@ -382,9 +378,9 @@ void hv_synic_disable_regs(unsigned int cpu)
simp.base_simp_gpa = 0;
}
- hv_set_register(HV_REGISTER_SIMP, simp.as_uint64);
+ hv_set_msr(HV_MSR_SIMP, simp.as_uint64);
- siefp.as_uint64 = hv_get_register(HV_REGISTER_SIEFP);
+ siefp.as_uint64 = hv_get_msr(HV_MSR_SIEFP);
siefp.siefp_enabled = 0;
if (ms_hyperv.paravisor_present || hv_root_partition) {
@@ -394,12 +390,12 @@ void hv_synic_disable_regs(unsigned int cpu)
siefp.base_siefp_gpa = 0;
}
- hv_set_register(HV_REGISTER_SIEFP, siefp.as_uint64);
+ hv_set_msr(HV_MSR_SIEFP, siefp.as_uint64);
/* Disable the global synic bit */
- sctrl.as_uint64 = hv_get_register(HV_REGISTER_SCONTROL);
+ sctrl.as_uint64 = hv_get_msr(HV_MSR_SCONTROL);
sctrl.enable = 0;
- hv_set_register(HV_REGISTER_SCONTROL, sctrl.as_uint64);
+ hv_set_msr(HV_MSR_SCONTROL, sctrl.as_uint64);
if (vmbus_irq != -1)
disable_percpu_irq(vmbus_irq);
diff --git a/drivers/hv/hv_common.c b/drivers/hv/hv_common.c
index 0285a74363b3d..2f1dd4b07f9a4 100644
--- a/drivers/hv/hv_common.c
+++ b/drivers/hv/hv_common.c
@@ -227,19 +227,19 @@ static void hv_kmsg_dump(struct kmsg_dumper *dumper,
* contain the size of the panic data in that page. Rest of the
* registers are no-op when the NOTIFY_MSG flag is set.
*/
- hv_set_register(HV_REGISTER_CRASH_P0, 0);
- hv_set_register(HV_REGISTER_CRASH_P1, 0);
- hv_set_register(HV_REGISTER_CRASH_P2, 0);
- hv_set_register(HV_REGISTER_CRASH_P3, virt_to_phys(hv_panic_page));
- hv_set_register(HV_REGISTER_CRASH_P4, bytes_written);
+ hv_set_msr(HV_MSR_CRASH_P0, 0);
+ hv_set_msr(HV_MSR_CRASH_P1, 0);
+ hv_set_msr(HV_MSR_CRASH_P2, 0);
+ hv_set_msr(HV_MSR_CRASH_P3, virt_to_phys(hv_panic_page));
+ hv_set_msr(HV_MSR_CRASH_P4, bytes_written);
/*
* Let Hyper-V know there is crash data available along with
* the panic message.
*/
- hv_set_register(HV_REGISTER_CRASH_CTL,
- (HV_CRASH_CTL_CRASH_NOTIFY |
- HV_CRASH_CTL_CRASH_NOTIFY_MSG));
+ hv_set_msr(HV_MSR_CRASH_CTL,
+ (HV_CRASH_CTL_CRASH_NOTIFY |
+ HV_CRASH_CTL_CRASH_NOTIFY_MSG));
}
static struct kmsg_dumper hv_kmsg_dumper = {
@@ -310,7 +310,7 @@ int __init hv_common_init(void)
* Register for panic kmsg callback only if the right
* capability is supported by the hypervisor.
*/
- hyperv_crash_ctl = hv_get_register(HV_REGISTER_CRASH_CTL);
+ hyperv_crash_ctl = hv_get_msr(HV_MSR_CRASH_CTL);
if (hyperv_crash_ctl & HV_CRASH_CTL_CRASH_NOTIFY_MSG)
hv_kmsg_dump_register();
@@ -409,7 +409,7 @@ int hv_common_cpu_init(unsigned int cpu)
*inputarg = mem;
}
- msr_vp_index = hv_get_register(HV_REGISTER_VP_INDEX);
+ msr_vp_index = hv_get_msr(HV_MSR_VP_INDEX);
hv_vp_index[cpu] = msr_vp_index;
@@ -506,7 +506,7 @@ EXPORT_SYMBOL_GPL(hv_is_hibernation_supported);
*/
static u64 __hv_read_ref_counter(void)
{
- return hv_get_register(HV_REGISTER_TIME_REF_COUNT);
+ return hv_get_msr(HV_MSR_TIME_REF_COUNT);
}
u64 (*hv_read_reference_counter)(void) = __hv_read_ref_counter;
diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h
index fdac4a1714ec0..3d1b31f90ed60 100644
--- a/include/asm-generic/hyperv-tlfs.h
+++ b/include/asm-generic/hyperv-tlfs.h
@@ -625,6 +625,37 @@ struct hv_retarget_device_interrupt {
struct hv_device_interrupt_target int_target;
} __packed __aligned(8);
+/*
+ * These Hyper-V registers provide information equivalent to the CPUID
+ * instruction on x86/x64.
+ */
+#define HV_REGISTER_HYPERVISOR_VERSION 0x00000100 /*CPUID 0x40000002 */
+#define HV_REGISTER_FEATURES 0x00000200 /*CPUID 0x40000003 */
+#define HV_REGISTER_ENLIGHTENMENTS 0x00000201 /*CPUID 0x40000004 */
+
+/*
+ * Synthetic register definitions equivalent to MSRs on x86/x64
+ */
+#define HV_REGISTER_CRASH_P0 0x00000210
+#define HV_REGISTER_CRASH_P1 0x00000211
+#define HV_REGISTER_CRASH_P2 0x00000212
+#define HV_REGISTER_CRASH_P3 0x00000213
+#define HV_REGISTER_CRASH_P4 0x00000214
+#define HV_REGISTER_CRASH_CTL 0x00000215
+
+#define HV_REGISTER_GUEST_OSID 0x00090002
+#define HV_REGISTER_VP_INDEX 0x00090003
+#define HV_REGISTER_TIME_REF_COUNT 0x00090004
+#define HV_REGISTER_REFERENCE_TSC 0x00090017
+
+#define HV_REGISTER_SINT0 0x000A0000
+#define HV_REGISTER_SCONTROL 0x000A0010
+#define HV_REGISTER_SIEFP 0x000A0012
+#define HV_REGISTER_SIMP 0x000A0013
+#define HV_REGISTER_EOM 0x000A0014
+
+#define HV_REGISTER_STIMER0_CONFIG 0x000B0000
+#define HV_REGISTER_STIMER0_COUNT 0x000B0001
/* HvGetVpRegisters hypercall input with variable size reg name list*/
struct hv_get_vp_registers_input {
@@ -640,7 +671,6 @@ struct hv_get_vp_registers_input {
} element[];
} __packed;
-
/* HvGetVpRegisters returns an array of these output elements */
struct hv_get_vp_registers_output {
union {
diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
index 430f0ae0dde2d..04424a446bb73 100644
--- a/include/asm-generic/mshyperv.h
+++ b/include/asm-generic/mshyperv.h
@@ -157,7 +157,7 @@ static inline void vmbus_signal_eom(struct hv_message *msg, u32 old_msg_type)
* possibly deliver another msg from the
* hypervisor
*/
- hv_set_register(HV_REGISTER_EOM, 0);
+ hv_set_msr(HV_MSR_EOM, 0);
}
}
--
GitLab
From a14e6fd1b67799da7da9cc344023bd16aaf0d17d Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Mon, 4 Mar 2024 11:26:10 +0200
Subject: [PATCH 0817/2686] dt-bindings: usb: qcom,pmic-typec: add support for
the PM4125 block
The PM4125 PMIC has the same Type-C register block as the PMI632.
Likewise it doesn't support USB Power Delivery. Define the compatible
for the TypeC block found on PM4125, using PMI632 as a compatible.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240304-pm4125-typec-v4-1-f3601a16f9ea@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml b/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml
index 976d1732137b1..d9694570c419e 100644
--- a/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml
+++ b/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml
@@ -22,6 +22,11 @@ properties:
- enum:
- qcom,pm6150-typec
- const: qcom,pm8150b-typec
+ - items:
+ - enum:
+ - qcom,pm4125-typec
+ - const: qcom,pmi632-typec
+
connector:
type: object
--
GitLab
From 3fb7bc4f3a98c48981318b87cf553c5f115fd5ca Mon Sep 17 00:00:00 2001
From: Daniel Vogelbacher <daniel@chaospixel.com>
Date: Sun, 11 Feb 2024 15:42:46 +0100
Subject: [PATCH 0818/2686] USB: serial: ftdi_sio: add support for GMC Z216C
Adapter IR-USB
The GMC IR-USB adapter cable utilizes a FTDI FT232R chip.
Add VID/PID for this adapter so it can be used as serial device via
ftdi_sio.
Signed-off-by: Daniel Vogelbacher <daniel@chaospixel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/ftdi_sio.c | 2 ++
drivers/usb/serial/ftdi_sio_ids.h | 6 ++++++
2 files changed, 8 insertions(+)
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 13a56783830df..22d01a0f10fbc 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1077,6 +1077,8 @@ static const struct usb_device_id id_table_combined[] = {
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ /* GMC devices */
+ { USB_DEVICE(GMC_VID, GMC_Z216C_PID) },
{ } /* Terminating entry */
};
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 21a2b5a25fc09..5ee60ba2a73cd 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -1606,3 +1606,9 @@
#define UBLOX_VID 0x1546
#define UBLOX_C099F9P_ZED_PID 0x0502
#define UBLOX_C099F9P_ODIN_PID 0x0503
+
+/*
+ * GMC devices
+ */
+#define GMC_VID 0x1cd7
+#define GMC_Z216C_PID 0x0217 /* GMC Z216C Adapter IR-USB */
--
GitLab
From cda704809797a8a86284f9df3eef5e62ec8a3175 Mon Sep 17 00:00:00 2001
From: Cameron Williams <cang1@live.co.uk>
Date: Tue, 13 Feb 2024 21:53:29 +0000
Subject: [PATCH 0819/2686] USB: serial: add device ID for VeriFone adapter
Add device ID for a (probably fake) CP2102 UART device.
lsusb -v output:
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0 [unknown]
bDeviceSubClass 0 [unknown]
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x11ca VeriFone Inc
idProduct 0x0212 Verifone USB to Printer
bcdDevice 1.00
iManufacturer 1 Silicon Labs
iProduct 2 Verifone USB to Printer
iSerial 3 0001
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x0020
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0 [unknown]
bInterfaceProtocol 0
iInterface 2 Verifone USB to Printer
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Device Status: 0x0000
(Bus Powered)
Signed-off-by: Cameron Williams <cang1@live.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/cp210x.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 923e0ed85444b..d339d81f6e8cf 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -177,6 +177,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0xF004) }, /* Elan Digital Systems USBcount50 */
{ USB_DEVICE(0x10C5, 0xEA61) }, /* Silicon Labs MobiData GPRS USB Modem */
{ USB_DEVICE(0x10CE, 0xEA6A) }, /* Silicon Labs MobiData GPRS USB Modem 100EU */
+ { USB_DEVICE(0x11CA, 0x0212) }, /* Verifone USB to Printer (UART, CP2102) */
{ USB_DEVICE(0x12B8, 0xEC60) }, /* Link G4 ECU */
{ USB_DEVICE(0x12B8, 0xEC62) }, /* Link G4+ ECU */
{ USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */
--
GitLab
From a0d9d868491a362d421521499d98308c8e3a0398 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20H=C3=A4ggstr=C3=B6m?=
<christian.haggstrom@orexplore.com>
Date: Wed, 14 Feb 2024 11:47:29 +0100
Subject: [PATCH 0820/2686] USB: serial: cp210x: add ID for MGP Instruments
PDS100
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The radiation meter has the text MGP Instruments PDS-100G or PDS-100GN
produced by Mirion Technologies. Tested by forcing the driver
association with
echo 10c4 863c > /sys/bus/usb-serial/drivers/cp210x/new_id
and then setting the serial port in 115200 8N1 mode. The device
announces ID_USB_VENDOR_ENC=Silicon\x20Labs and ID_USB_MODEL_ENC=PDS100
Signed-off-by: Christian Häggström <christian.haggstrom@orexplore.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/cp210x.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index d339d81f6e8cf..2169b6549a260 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -144,6 +144,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x85EA) }, /* AC-Services IBUS-IF */
{ USB_DEVICE(0x10C4, 0x85EB) }, /* AC-Services CIS-IBUS */
{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
+ { USB_DEVICE(0x10C4, 0x863C) }, /* MGP Instruments PDS100 */
{ USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
{ USB_DEVICE(0x10C4, 0x87ED) }, /* IMST USB-Stick for Smart Meter */
--
GitLab
From 2a0505cdd8c8b12670f4b5a6eb5c996c0861c2d5 Mon Sep 17 00:00:00 2001
From: Chengming Zhou <zhouchengming@bytedance.com>
Date: Sat, 24 Feb 2024 13:46:17 +0000
Subject: [PATCH 0821/2686] 9p: remove SLAB_MEM_SPREAD flag usage
The SLAB_MEM_SPREAD flag used to be implemented in SLAB, which was
removed as of v6.8-rc1, so it became a dead flag since the commit
16a1d968358a ("mm/slab: remove mm/slab.c and slab_def.h"). And the
series[1] went on to mark it obsolete to avoid confusion for users.
Here we can just remove all its users, which has no functional change.
Link: https://lore.kernel.org/all/20240223-slab-cleanup-flags-v2-1-02f1753e8303@suse.cz/ [1]
Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Message-ID: <20240224134617.829016-1-chengming.zhou@linux.dev>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
---
fs/9p/v9fs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 61dbe52bb3a32..281a1ed03a041 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -637,7 +637,7 @@ static int v9fs_init_inode_cache(void)
v9fs_inode_cache = kmem_cache_create("v9fs_inode_cache",
sizeof(struct v9fs_inode),
0, (SLAB_RECLAIM_ACCOUNT|
- SLAB_MEM_SPREAD|SLAB_ACCOUNT),
+ SLAB_ACCOUNT),
v9fs_inode_init_once);
if (!v9fs_inode_cache)
return -ENOMEM;
--
GitLab
From 46809c51565b83881aede6cdf3b0d25254966a41 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Jacobs?= <aurel@gnuage.org>
Date: Wed, 31 Jan 2024 18:49:17 +0100
Subject: [PATCH 0822/2686] USB: serial: option: add MeiG Smart SLM320 product
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Update the USB serial option driver to support MeiG Smart SLM320.
ID 2dee:4d41 UNISOC UNISOC-8910
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 9 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=2dee ProdID=4d41 Rev=00.00
S: Manufacturer=UNISOC
S: Product=UNISOC-8910
C: #Ifs= 8 Cfg#= 1 Atr=e0 MxPwr=400mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 6 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=07(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 7 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=08(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
Tested successfully a PPP LTE connection using If#= 0.
Not sure of the purpose of every other serial interfaces.
Signed-off-by: Aurélien Jacobs <aurel@gnuage.org>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/option.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 2ae124c49d448..55a65d941ccbf 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -613,6 +613,11 @@ static void option_instat_callback(struct urb *urb);
/* Luat Air72*U series based on UNISOC UIS8910 uses UNISOC's vendor ID */
#define LUAT_PRODUCT_AIR720U 0x4e00
+/* MeiG Smart Technology products */
+#define MEIGSMART_VENDOR_ID 0x2dee
+/* MeiG Smart SLM320 based on UNISOC UIS8910 */
+#define MEIGSMART_PRODUCT_SLM320 0x4d41
+
/* Device flags */
/* Highest interface number which can be used with NCTRL() and RSVD() */
@@ -2282,6 +2287,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, LUAT_PRODUCT_AIR720U, 0xff, 0, 0) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM320, 0xff, 0, 0) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
--
GitLab
From 524e2ebd3b959e9ee069caf960ead0d519c8bf17 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Wed, 7 Feb 2024 10:18:33 +0000
Subject: [PATCH 0823/2686] USB: serial: oti6858: remove redundant assignment
to variable divisor
The variable divisor is being assigned a value that is not being
read afterward, it is being re-assigned later in both paths of an if
statement. The assignment is redundant and can be removed.
Cleans up clang scan warning:
drivers/usb/serial/oti6858.c:412:2: warning: Value stored to 'divisor'
is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/oti6858.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 6365cfe5402cb..fa07f6ff9ecc8 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -409,7 +409,6 @@ static void oti6858_set_termios(struct tty_struct *tty,
cflag = tty->termios.c_cflag;
spin_lock_irqsave(&priv->lock, flags);
- divisor = priv->pending_setup.divisor;
frame_fmt = priv->pending_setup.frame_fmt;
control = priv->pending_setup.control;
spin_unlock_irqrestore(&priv->lock, flags);
--
GitLab
From 17a2f0b45ad1894d89832553947340872d4daecc Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Wed, 7 Feb 2024 10:49:36 +0000
Subject: [PATCH 0824/2686] USB: serial: ftdi_sio: remove redundant assignment
to variable cflag
The variable cflag is being assigned a value that is not being read
afterwards, it is being re-assigned later on. The assignment is
redundant and can be removed.
Cleans up clang scan warning:
drivers/usb/serial/ftdi_sio.c:2613:15: warning: Value stored to 'cflag'
during its initialization is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/ftdi_sio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 22d01a0f10fbc..76a04ab411006 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2612,7 +2612,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
struct device *ddev = &port->dev;
struct ftdi_private *priv = usb_get_serial_port_data(port);
struct ktermios *termios = &tty->termios;
- unsigned int cflag = termios->c_cflag;
+ unsigned int cflag;
u16 value, index;
int ret;
--
GitLab
From 9532ac14d8b2216236c02d9903b373dec46410e2 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Wed, 7 Feb 2024 10:41:28 +0000
Subject: [PATCH 0825/2686] USB: serial: keyspan: remove redundant assignment
to pointer data
The pointer data is being assigned a value that is not being
read afterwards, it is being re-assigned later inside a do-while
loop. The assignment is redundant and can be removed.
Cleans up clang scan warning:
drivers/usb/serial/keyspan.c:924:2: warning: Value stored to 'data'
is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/keyspan.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 93b17e0e05a33..0a783985197c3 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -921,7 +921,6 @@ static void usa28_indat_callback(struct urb *urb)
port = urb->context;
p_priv = usb_get_serial_port_data(port);
- data = urb->transfer_buffer;
if (urb != p_priv->in_urbs[p_priv->in_flip])
return;
--
GitLab
From b1a8da9ff1395c4879b4bd41e55733d944f3d613 Mon Sep 17 00:00:00 2001
From: Toru Katagiri <Toru.Katagiri@tdk.com>
Date: Tue, 5 Mar 2024 08:46:14 +0900
Subject: [PATCH 0826/2686] USB: serial: cp210x: add pid/vid for TDK NC0110013M
and MM0110113M
TDK NC0110013M and MM0110113M have custom USB IDs for CP210x,
so we need to add them to the driver.
Signed-off-by: Toru Katagiri <Toru.Katagiri@tdk.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/cp210x.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 2169b6549a260..21fd26609252b 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -56,6 +56,8 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x0471, 0x066A) }, /* AKTAKOM ACE-1001 cable */
{ USB_DEVICE(0x0489, 0xE000) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */
{ USB_DEVICE(0x0489, 0xE003) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */
+ { USB_DEVICE(0x04BF, 0x1301) }, /* TDK Corporation NC0110013M - Network Controller */
+ { USB_DEVICE(0x04BF, 0x1303) }, /* TDK Corporation MM0110113M - i3 Micro Module */
{ USB_DEVICE(0x0745, 0x1000) }, /* CipherLab USB CCD Barcode Scanner 1000 */
{ USB_DEVICE(0x0846, 0x1100) }, /* NetGear Managed Switch M4100 series, M5300 series, M7100 series */
{ USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */
--
GitLab
From 12fc84e8c4288cc8ed5f14a35e077130c2cfece2 Mon Sep 17 00:00:00 2001
From: Elbert Mai <code@elbertmai.com>
Date: Mon, 4 Mar 2024 16:23:01 -0800
Subject: [PATCH 0827/2686] usb: Export BOS descriptor to sysfs
Motivation
----------
The binary device object store (BOS) of a USB device consists of the BOS
descriptor followed by a set of device capability descriptors. One that is
of interest to users is the platform descriptor. This contains a 128-bit
UUID and arbitrary data, and it allows parties outside of USB-IF to add
additional metadata about a USB device in a standards-compliant manner.
Notable examples include the WebUSB and Microsoft OS 2.0 descriptors.
The kernel already retrieves and caches the BOS from USB devices if its
bcdUSB is >= 0x0201. Because the BOS is flexible and extensible, we export
the entire BOS to sysfs so users can retrieve whatever device capabilities
they desire, without requiring USB I/O or elevated permissions.
Implementation
--------------
Add bos_descriptors attribute to sysfs. This is a binary file and it works
the same way as the existing descriptors attribute. The file exists only if
the BOS is present in the USB device.
Also create a binary attribute group, so the driver core can handle the
creation of both the descriptors and bos_descriptors attributes in sysfs.
Signed-off-by: Elbert Mai <code@elbertmai.com>
Link: https://lore.kernel.org/r/20240305002301.95323-1-code@elbertmai.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/ABI/testing/sysfs-bus-usb | 10 ++++
drivers/usb/core/sysfs.c | 78 +++++++++++++++++++------
2 files changed, 71 insertions(+), 17 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb
index 2b7108e219775..af9b653422f16 100644
--- a/Documentation/ABI/testing/sysfs-bus-usb
+++ b/Documentation/ABI/testing/sysfs-bus-usb
@@ -442,6 +442,16 @@ What: /sys/bus/usb/devices/usbX/descriptors
Description:
Contains the interface descriptors, in binary.
+What: /sys/bus/usb/devices/usbX/bos_descriptors
+Date: March 2024
+Contact: Elbert Mai <code@elbertmai.com>
+Description:
+ Binary file containing the cached binary device object store (BOS)
+ of the device. This consists of the BOS descriptor followed by the
+ set of device capability descriptors. All descriptors read from
+ this file are in bus-endian format. Note that the kernel will not
+ request the BOS from a device if its bcdUSB is less than 0x0201.
+
What: /sys/bus/usb/devices/usbX/idProduct
Description:
Product ID, in hexadecimal.
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index e67826ec053e1..777526f597206 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -849,16 +849,10 @@ static const struct attribute_group dev_string_attr_grp = {
.is_visible = dev_string_attrs_are_visible,
};
-const struct attribute_group *usb_device_groups[] = {
- &dev_attr_grp,
- &dev_string_attr_grp,
- NULL
-};
-
/* Binary descriptors */
static ssize_t
-read_descriptors(struct file *filp, struct kobject *kobj,
+descriptors_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr,
char *buf, loff_t off, size_t count)
{
@@ -880,7 +874,7 @@ read_descriptors(struct file *filp, struct kobject *kobj,
srclen = sizeof(struct usb_device_descriptor);
} else {
src = udev->rawdescriptors[cfgno];
- srclen = __le16_to_cpu(udev->config[cfgno].desc.
+ srclen = le16_to_cpu(udev->config[cfgno].desc.
wTotalLength);
}
if (off < srclen) {
@@ -895,11 +889,66 @@ read_descriptors(struct file *filp, struct kobject *kobj,
}
return count - nleft;
}
+static BIN_ATTR_RO(descriptors, 18 + 65535); /* dev descr + max-size raw descriptor */
+
+static ssize_t
+bos_descriptors_read(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *attr,
+ char *buf, loff_t off, size_t count)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct usb_device *udev = to_usb_device(dev);
+ struct usb_host_bos *bos = udev->bos;
+ struct usb_bos_descriptor *desc;
+ size_t desclen, n = 0;
+
+ if (bos) {
+ desc = bos->desc;
+ desclen = le16_to_cpu(desc->wTotalLength);
+ if (off < desclen) {
+ n = min(count, desclen - (size_t) off);
+ memcpy(buf, (void *) desc + off, n);
+ }
+ }
+ return n;
+}
+static BIN_ATTR_RO(bos_descriptors, 65535); /* max-size BOS */
-static struct bin_attribute dev_bin_attr_descriptors = {
- .attr = {.name = "descriptors", .mode = 0444},
- .read = read_descriptors,
- .size = 18 + 65535, /* dev descr + max-size raw descriptor */
+/* When modifying this list, be sure to modify dev_bin_attrs_are_visible()
+ * accordingly.
+ */
+static struct bin_attribute *dev_bin_attrs[] = {
+ &bin_attr_descriptors,
+ &bin_attr_bos_descriptors,
+ NULL
+};
+
+static umode_t dev_bin_attrs_are_visible(struct kobject *kobj,
+ struct bin_attribute *a, int n)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct usb_device *udev = to_usb_device(dev);
+
+ /* All USB devices have a device descriptor, so the descriptors
+ * attribute always exists. No need to check for its visibility.
+ */
+ if (a == &bin_attr_bos_descriptors) {
+ if (udev->bos == NULL)
+ return 0;
+ }
+ return a->attr.mode;
+}
+
+static const struct attribute_group dev_bin_attr_grp = {
+ .bin_attrs = dev_bin_attrs,
+ .is_bin_visible = dev_bin_attrs_are_visible,
+};
+
+const struct attribute_group *usb_device_groups[] = {
+ &dev_attr_grp,
+ &dev_string_attr_grp,
+ &dev_bin_attr_grp,
+ NULL
};
/*
@@ -1017,10 +1066,6 @@ int usb_create_sysfs_dev_files(struct usb_device *udev)
struct device *dev = &udev->dev;
int retval;
- retval = device_create_bin_file(dev, &dev_bin_attr_descriptors);
- if (retval)
- goto error;
-
retval = add_persist_attributes(dev);
if (retval)
goto error;
@@ -1050,7 +1095,6 @@ void usb_remove_sysfs_dev_files(struct usb_device *udev)
remove_power_attributes(dev);
remove_persist_attributes(dev);
- device_remove_bin_file(dev, &dev_bin_attr_descriptors);
}
/* Interface Association Descriptor fields */
--
GitLab
From 41717b88abf1cacd953e9ea2ace2f62eaf763c48 Mon Sep 17 00:00:00 2001
From: Krishna Kurapati <quic_kriskura@quicinc.com>
Date: Tue, 5 Mar 2024 15:02:16 +0530
Subject: [PATCH 0828/2686] usb: dwc3: qcom: Remove ACPI support from glue
driver
Minimal ACPI support was added to the Qualcomm DWC3 glue driver in order to
enable USB on SDM850 and SC8180X compute platforms. The support is still
functional, but unnoticed regressions in other drivers indicates that no
one actually booting any of platforms dependent on this implementation.
The functionality provides is the bare minimum and is not expected to aid
in the effort of bringing full ACPI support to the driver in the future.
Remove the ACPI code from the Qualcomm DWC3 glue driver to aid in the
implementation of improvements that are actually used like multiport and
flattening device tree.
Commit message by Bjorn Andersson.
Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240305093216.3814787-1-quic_kriskura@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/Kconfig | 2 +-
drivers/usb/dwc3/dwc3-qcom.c | 276 ++---------------------------------
2 files changed, 13 insertions(+), 265 deletions(-)
diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig
index 5fc27b20df630..31078f3d41b88 100644
--- a/drivers/usb/dwc3/Kconfig
+++ b/drivers/usb/dwc3/Kconfig
@@ -131,7 +131,7 @@ config USB_DWC3_QCOM
tristate "Qualcomm Platform"
depends on ARCH_QCOM || COMPILE_TEST
depends on EXTCON || !EXTCON
- depends on (OF || ACPI)
+ depends on OF
default USB_DWC3
help
Some Qualcomm SoCs use DesignWare Core IP for USB2/3
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index dbd6a5b2b2892..f6b2fab49d5e6 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -4,7 +4,6 @@
* Inspired by dwc3-of-simple.c
*/
-#include <linux/acpi.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/clk.h>
@@ -53,22 +52,10 @@
#define APPS_USB_AVG_BW 0
#define APPS_USB_PEAK_BW MBps_to_icc(40)
-struct dwc3_acpi_pdata {
- u32 qscratch_base_offset;
- u32 qscratch_base_size;
- u32 dwc3_core_base_size;
- int qusb2_phy_irq_index;
- int dp_hs_phy_irq_index;
- int dm_hs_phy_irq_index;
- int ss_phy_irq_index;
- bool is_urs;
-};
-
struct dwc3_qcom {
struct device *dev;
void __iomem *qscratch_base;
struct platform_device *dwc3;
- struct platform_device *urs_usb;
struct clk **clks;
int num_clocks;
struct reset_control *resets;
@@ -84,8 +71,6 @@ struct dwc3_qcom {
struct notifier_block vbus_nb;
struct notifier_block host_nb;
- const struct dwc3_acpi_pdata *acpi_pdata;
-
enum usb_dr_mode mode;
bool is_suspended;
bool pm_suspended;
@@ -248,9 +233,6 @@ static int dwc3_qcom_interconnect_init(struct dwc3_qcom *qcom)
struct device *dev = qcom->dev;
int ret;
- if (has_acpi_companion(dev))
- return 0;
-
qcom->icc_path_ddr = of_icc_get(dev, "usb-ddr");
if (IS_ERR(qcom->icc_path_ddr)) {
return dev_err_probe(dev, PTR_ERR(qcom->icc_path_ddr),
@@ -519,31 +501,13 @@ static void dwc3_qcom_select_utmi_clk(struct dwc3_qcom *qcom)
PIPE_UTMI_CLK_DIS);
}
-static int dwc3_qcom_get_irq(struct platform_device *pdev,
- const char *name, int num)
-{
- struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
- struct platform_device *pdev_irq = qcom->urs_usb ? qcom->urs_usb : pdev;
- struct device_node *np = pdev->dev.of_node;
- int ret;
-
- if (np)
- ret = platform_get_irq_byname_optional(pdev_irq, name);
- else
- ret = platform_get_irq_optional(pdev_irq, num);
-
- return ret;
-}
-
static int dwc3_qcom_setup_irq(struct platform_device *pdev)
{
struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
- const struct dwc3_acpi_pdata *pdata = qcom->acpi_pdata;
int irq;
int ret;
- irq = dwc3_qcom_get_irq(pdev, "qusb2_phy",
- pdata ? pdata->qusb2_phy_irq_index : -1);
+ irq = platform_get_irq_byname_optional(pdev, "qusb2_phy");
if (irq > 0) {
/* Keep wakeup interrupts disabled until suspend */
ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
@@ -557,8 +521,7 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
qcom->qusb2_phy_irq = irq;
}
- irq = dwc3_qcom_get_irq(pdev, "dp_hs_phy_irq",
- pdata ? pdata->dp_hs_phy_irq_index : -1);
+ irq = platform_get_irq_byname_optional(pdev, "dp_hs_phy_irq");
if (irq > 0) {
ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
qcom_dwc3_resume_irq,
@@ -571,8 +534,7 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
qcom->dp_hs_phy_irq = irq;
}
- irq = dwc3_qcom_get_irq(pdev, "dm_hs_phy_irq",
- pdata ? pdata->dm_hs_phy_irq_index : -1);
+ irq = platform_get_irq_byname_optional(pdev, "dm_hs_phy_irq");
if (irq > 0) {
ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
qcom_dwc3_resume_irq,
@@ -585,8 +547,7 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
qcom->dm_hs_phy_irq = irq;
}
- irq = dwc3_qcom_get_irq(pdev, "ss_phy_irq",
- pdata ? pdata->ss_phy_irq_index : -1);
+ irq = platform_get_irq_byname_optional(pdev, "ss_phy_irq");
if (irq > 0) {
ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
qcom_dwc3_resume_irq,
@@ -649,88 +610,6 @@ static int dwc3_qcom_clk_init(struct dwc3_qcom *qcom, int count)
return 0;
}
-static const struct property_entry dwc3_qcom_acpi_properties[] = {
- PROPERTY_ENTRY_STRING("dr_mode", "host"),
- {}
-};
-
-static const struct software_node dwc3_qcom_swnode = {
- .properties = dwc3_qcom_acpi_properties,
-};
-
-static int dwc3_qcom_acpi_register_core(struct platform_device *pdev)
-{
- struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
- struct device *dev = &pdev->dev;
- struct resource *res, *child_res = NULL;
- struct platform_device *pdev_irq = qcom->urs_usb ? qcom->urs_usb :
- pdev;
- int irq;
- int ret;
-
- qcom->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO);
- if (!qcom->dwc3)
- return -ENOMEM;
-
- qcom->dwc3->dev.parent = dev;
- qcom->dwc3->dev.type = dev->type;
- qcom->dwc3->dev.dma_mask = dev->dma_mask;
- qcom->dwc3->dev.dma_parms = dev->dma_parms;
- qcom->dwc3->dev.coherent_dma_mask = dev->coherent_dma_mask;
-
- child_res = kcalloc(2, sizeof(*child_res), GFP_KERNEL);
- if (!child_res) {
- platform_device_put(qcom->dwc3);
- return -ENOMEM;
- }
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "failed to get memory resource\n");
- ret = -ENODEV;
- goto out;
- }
-
- child_res[0].flags = res->flags;
- child_res[0].start = res->start;
- child_res[0].end = child_res[0].start +
- qcom->acpi_pdata->dwc3_core_base_size;
-
- irq = platform_get_irq(pdev_irq, 0);
- if (irq < 0) {
- ret = irq;
- goto out;
- }
- child_res[1].flags = IORESOURCE_IRQ;
- child_res[1].start = child_res[1].end = irq;
-
- ret = platform_device_add_resources(qcom->dwc3, child_res, 2);
- if (ret) {
- dev_err(&pdev->dev, "failed to add resources\n");
- goto out;
- }
-
- ret = device_add_software_node(&qcom->dwc3->dev, &dwc3_qcom_swnode);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to add properties\n");
- goto out;
- }
-
- ret = platform_device_add(qcom->dwc3);
- if (ret) {
- dev_err(&pdev->dev, "failed to add device\n");
- device_remove_software_node(&qcom->dwc3->dev);
- goto out;
- }
- kfree(child_res);
- return 0;
-
-out:
- platform_device_put(qcom->dwc3);
- kfree(child_res);
- return ret;
-}
-
static int dwc3_qcom_of_register_core(struct platform_device *pdev)
{
struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
@@ -763,57 +642,12 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev)
return ret;
}
-static struct platform_device *dwc3_qcom_create_urs_usb_platdev(struct device *dev)
-{
- struct platform_device *urs_usb = NULL;
- struct fwnode_handle *fwh;
- struct acpi_device *adev;
- char name[8];
- int ret;
- int id;
-
- /* Figure out device id */
- ret = sscanf(fwnode_get_name(dev->fwnode), "URS%d", &id);
- if (!ret)
- return NULL;
-
- /* Find the child using name */
- snprintf(name, sizeof(name), "USB%d", id);
- fwh = fwnode_get_named_child_node(dev->fwnode, name);
- if (!fwh)
- return NULL;
-
- adev = to_acpi_device_node(fwh);
- if (!adev)
- goto err_put_handle;
-
- urs_usb = acpi_create_platform_device(adev, NULL);
- if (IS_ERR_OR_NULL(urs_usb))
- goto err_put_handle;
-
- return urs_usb;
-
-err_put_handle:
- fwnode_handle_put(fwh);
-
- return urs_usb;
-}
-
-static void dwc3_qcom_destroy_urs_usb_platdev(struct platform_device *urs_usb)
-{
- struct fwnode_handle *fwh = urs_usb->dev.fwnode;
-
- platform_device_unregister(urs_usb);
- fwnode_handle_put(fwh);
-}
-
static int dwc3_qcom_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
struct dwc3_qcom *qcom;
- struct resource *res, *parent_res = NULL;
- struct resource local_res;
+ struct resource *res;
int ret, i;
bool ignore_pipe_clk;
bool wakeup_source;
@@ -825,14 +659,6 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, qcom);
qcom->dev = &pdev->dev;
- if (has_acpi_companion(dev)) {
- qcom->acpi_pdata = acpi_device_get_match_data(dev);
- if (!qcom->acpi_pdata) {
- dev_err(&pdev->dev, "no supporting ACPI device data\n");
- return -EINVAL;
- }
- }
-
qcom->resets = devm_reset_control_array_get_optional_exclusive(dev);
if (IS_ERR(qcom->resets)) {
return dev_err_probe(&pdev->dev, PTR_ERR(qcom->resets),
@@ -861,40 +687,16 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (np) {
- parent_res = res;
- } else {
- memcpy(&local_res, res, sizeof(struct resource));
- parent_res = &local_res;
-
- parent_res->start = res->start +
- qcom->acpi_pdata->qscratch_base_offset;
- parent_res->end = parent_res->start +
- qcom->acpi_pdata->qscratch_base_size;
-
- if (qcom->acpi_pdata->is_urs) {
- qcom->urs_usb = dwc3_qcom_create_urs_usb_platdev(dev);
- if (IS_ERR_OR_NULL(qcom->urs_usb)) {
- dev_err(dev, "failed to create URS USB platdev\n");
- if (!qcom->urs_usb)
- ret = -ENODEV;
- else
- ret = PTR_ERR(qcom->urs_usb);
- goto clk_disable;
- }
- }
- }
-
- qcom->qscratch_base = devm_ioremap_resource(dev, parent_res);
+ qcom->qscratch_base = devm_ioremap_resource(dev, res);
if (IS_ERR(qcom->qscratch_base)) {
ret = PTR_ERR(qcom->qscratch_base);
- goto free_urs;
+ goto clk_disable;
}
ret = dwc3_qcom_setup_irq(pdev);
if (ret) {
dev_err(dev, "failed to setup IRQs, err=%d\n", ret);
- goto free_urs;
+ goto clk_disable;
}
/*
@@ -906,14 +708,10 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
if (ignore_pipe_clk)
dwc3_qcom_select_utmi_clk(qcom);
- if (np)
- ret = dwc3_qcom_of_register_core(pdev);
- else
- ret = dwc3_qcom_acpi_register_core(pdev);
-
+ ret = dwc3_qcom_of_register_core(pdev);
if (ret) {
dev_err(dev, "failed to register DWC3 Core, err=%d\n", ret);
- goto free_urs;
+ goto clk_disable;
}
ret = dwc3_qcom_interconnect_init(qcom);
@@ -945,16 +743,8 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
interconnect_exit:
dwc3_qcom_interconnect_exit(qcom);
depopulate:
- if (np) {
- of_platform_depopulate(&pdev->dev);
- } else {
- device_remove_software_node(&qcom->dwc3->dev);
- platform_device_del(qcom->dwc3);
- }
+ of_platform_depopulate(&pdev->dev);
platform_device_put(qcom->dwc3);
-free_urs:
- if (qcom->urs_usb)
- dwc3_qcom_destroy_urs_usb_platdev(qcom->urs_usb);
clk_disable:
for (i = qcom->num_clocks - 1; i >= 0; i--) {
clk_disable_unprepare(qcom->clks[i]);
@@ -969,21 +759,12 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
static void dwc3_qcom_remove(struct platform_device *pdev)
{
struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
- struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
int i;
- if (np) {
- of_platform_depopulate(&pdev->dev);
- } else {
- device_remove_software_node(&qcom->dwc3->dev);
- platform_device_del(qcom->dwc3);
- }
+ of_platform_depopulate(&pdev->dev);
platform_device_put(qcom->dwc3);
- if (qcom->urs_usb)
- dwc3_qcom_destroy_urs_usb_platdev(qcom->urs_usb);
-
for (i = qcom->num_clocks - 1; i >= 0; i--) {
clk_disable_unprepare(qcom->clks[i]);
clk_put(qcom->clks[i]);
@@ -1053,38 +834,6 @@ static const struct of_device_id dwc3_qcom_of_match[] = {
};
MODULE_DEVICE_TABLE(of, dwc3_qcom_of_match);
-#ifdef CONFIG_ACPI
-static const struct dwc3_acpi_pdata sdm845_acpi_pdata = {
- .qscratch_base_offset = SDM845_QSCRATCH_BASE_OFFSET,
- .qscratch_base_size = SDM845_QSCRATCH_SIZE,
- .dwc3_core_base_size = SDM845_DWC3_CORE_SIZE,
- .qusb2_phy_irq_index = 1,
- .dp_hs_phy_irq_index = 4,
- .dm_hs_phy_irq_index = 3,
- .ss_phy_irq_index = 2
-};
-
-static const struct dwc3_acpi_pdata sdm845_acpi_urs_pdata = {
- .qscratch_base_offset = SDM845_QSCRATCH_BASE_OFFSET,
- .qscratch_base_size = SDM845_QSCRATCH_SIZE,
- .dwc3_core_base_size = SDM845_DWC3_CORE_SIZE,
- .qusb2_phy_irq_index = 1,
- .dp_hs_phy_irq_index = 4,
- .dm_hs_phy_irq_index = 3,
- .ss_phy_irq_index = 2,
- .is_urs = true,
-};
-
-static const struct acpi_device_id dwc3_qcom_acpi_match[] = {
- { "QCOM2430", (unsigned long)&sdm845_acpi_pdata },
- { "QCOM0304", (unsigned long)&sdm845_acpi_urs_pdata },
- { "QCOM0497", (unsigned long)&sdm845_acpi_urs_pdata },
- { "QCOM04A6", (unsigned long)&sdm845_acpi_pdata },
- { },
-};
-MODULE_DEVICE_TABLE(acpi, dwc3_qcom_acpi_match);
-#endif
-
static struct platform_driver dwc3_qcom_driver = {
.probe = dwc3_qcom_probe,
.remove_new = dwc3_qcom_remove,
@@ -1092,7 +841,6 @@ static struct platform_driver dwc3_qcom_driver = {
.name = "dwc3-qcom",
.pm = &dwc3_qcom_dev_pm_ops,
.of_match_table = dwc3_qcom_of_match,
- .acpi_match_table = ACPI_PTR(dwc3_qcom_acpi_match),
},
};
--
GitLab
From f3ac348e6e04501479fecf55250b25ff2092540b Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Fri, 23 Feb 2024 16:03:05 +0200
Subject: [PATCH 0829/2686] usb: usb-acpi: Set port connect type of not
connectable ports correctly
Ports with _UPC (USB Port Capability) ACPI objects stating they are
"not connectable" are not wired to any connector or internal device.
They only exist inside the host controller.
These ports may not have an ACPI _PLD (Physical Location of Device)
object.
Rework the code so that _UPC is read even if _PLD does not exist, and
make sure the port->connect_type is set to "USB_PORT_NOT_USED" instead
of "USB_PORT_CONNECT_TYPE_UNKNOWN".
No bugs or known issues are reported due to possibly not parsing _UPC,
and thus leaving the port connect type as "unknown" instead of
"not used". Nice to have this fixed but no need to add it to stable
kernels, or urgency to get it upstream.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240223140305.185182-1-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/usb-acpi.c | 46 ++++++++++++++++++-------------------
1 file changed, 23 insertions(+), 23 deletions(-)
diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c
index a34b22537d7cc..f250dfc3b14d3 100644
--- a/drivers/usb/core/usb-acpi.c
+++ b/drivers/usb/core/usb-acpi.c
@@ -142,12 +142,19 @@ int usb_acpi_set_power_state(struct usb_device *hdev, int index, bool enable)
}
EXPORT_SYMBOL_GPL(usb_acpi_set_power_state);
-static enum usb_port_connect_type usb_acpi_get_connect_type(acpi_handle handle,
- struct acpi_pld_info *pld)
+/*
+ * Private to usb-acpi, all the core needs to know is that
+ * port_dev->location is non-zero when it has been set by the firmware.
+ */
+#define USB_ACPI_LOCATION_VALID (1 << 31)
+
+static void
+usb_acpi_get_connect_type(struct usb_port *port_dev, acpi_handle *handle)
{
enum usb_port_connect_type connect_type = USB_PORT_CONNECT_TYPE_UNKNOWN;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *upc = NULL;
+ struct acpi_pld_info *pld;
acpi_status status;
/*
@@ -158,6 +165,12 @@ static enum usb_port_connect_type usb_acpi_get_connect_type(acpi_handle handle,
* a usb device is directly hard-wired to the port. If no visible and
* no connectable, the port would be not used.
*/
+
+ status = acpi_get_physical_device_location(handle, &pld);
+ if (ACPI_SUCCESS(status) && pld)
+ port_dev->location = USB_ACPI_LOCATION_VALID |
+ pld->group_token << 8 | pld->group_position;
+
status = acpi_evaluate_object(handle, "_UPC", NULL, &buffer);
if (ACPI_FAILURE(status))
goto out;
@@ -166,25 +179,22 @@ static enum usb_port_connect_type usb_acpi_get_connect_type(acpi_handle handle,
if (!upc || (upc->type != ACPI_TYPE_PACKAGE) || upc->package.count != 4)
goto out;
+ /* UPC states port is connectable */
if (upc->package.elements[0].integer.value)
- if (pld->user_visible)
+ if (!pld)
+ ; /* keep connect_type as unknown */
+ else if (pld->user_visible)
connect_type = USB_PORT_CONNECT_TYPE_HOT_PLUG;
else
connect_type = USB_PORT_CONNECT_TYPE_HARD_WIRED;
- else if (!pld->user_visible)
+ else
connect_type = USB_PORT_NOT_USED;
out:
+ port_dev->connect_type = connect_type;
kfree(upc);
- return connect_type;
+ ACPI_FREE(pld);
}
-
-/*
- * Private to usb-acpi, all the core needs to know is that
- * port_dev->location is non-zero when it has been set by the firmware.
- */
-#define USB_ACPI_LOCATION_VALID (1 << 31)
-
static struct acpi_device *
usb_acpi_get_companion_for_port(struct usb_port *port_dev)
{
@@ -222,22 +232,12 @@ static struct acpi_device *
usb_acpi_find_companion_for_port(struct usb_port *port_dev)
{
struct acpi_device *adev;
- struct acpi_pld_info *pld;
- acpi_handle *handle;
- acpi_status status;
adev = usb_acpi_get_companion_for_port(port_dev);
if (!adev)
return NULL;
- handle = adev->handle;
- status = acpi_get_physical_device_location(handle, &pld);
- if (ACPI_SUCCESS(status) && pld) {
- port_dev->location = USB_ACPI_LOCATION_VALID
- | pld->group_token << 8 | pld->group_position;
- port_dev->connect_type = usb_acpi_get_connect_type(handle, pld);
- ACPI_FREE(pld);
- }
+ usb_acpi_get_connect_type(port_dev, adev->handle);
return adev;
}
--
GitLab
From 0e28790195fa65fde41fa127a89e0903388f6285 Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Fri, 23 Feb 2024 00:22:34 +0000
Subject: [PATCH 0830/2686] usb: typec: tcpm: fix SOP' sequences in
tcpm_pd_svdm
The Smatch checker flags svdm_version being uninitialized for Discover
Identity Messages within tcpm_pd_svdm for the CMDT_INIT case. Cable plugs
cannot initialize SVDM commands, however a port partner that isn't allowed
to communicate over SOP' could, which would result in the CMDT_INIT block
running for a received SOP' message.
First, initialize svdm_version for the TCPC_TX_SOP_PRIME case. If the
svdm_version returns as an error, we expect the received svdm to be the
result of Discover Identity that updates the value accordingly.
Next, drop all SOP' messages of type CMDT_INIT within tcpm_pd_svdm.
Finally, remove redundant call that assigns modep and pdev. Smatch will
raise an uninitialized symbol error over modep_prime and pdev_prime, but
both the assignment and use of these variables are guarded behind
a check for rx_sop_type == TCPC_TX_SOP_PRIME.
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/a432603b-b801-4001-b309-247dded707d3@moroto.mountain/
Fixes: fb7ff25ae433 ("usb: typec: tcpm: add discover identity support for SOP'")
Signed-off-by: RD Babiera <rdbabiera@google.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240223002233.3936275-2-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpm.c | 26 ++++++++++++++++----------
1 file changed, 16 insertions(+), 10 deletions(-)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index c9a78f55ca485..b6d7131228f98 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -1878,11 +1878,6 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
tcpm_log(port, "Rx VDM cmd 0x%x type %d cmd %d len %d",
p[0], cmd_type, cmd, cnt);
- modep = &port->mode_data;
-
- pdev = typec_match_altmode(port->partner_altmode, ALTMODE_DISCOVERY_MAX,
- PD_VDO_VID(p[0]), PD_VDO_OPOS(p[0]));
-
switch (rx_sop_type) {
case TCPC_TX_SOP_PRIME:
modep_prime = &port->mode_data_prime;
@@ -1890,11 +1885,13 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
ALTMODE_DISCOVERY_MAX,
PD_VDO_VID(p[0]),
PD_VDO_OPOS(p[0]));
- if (!IS_ERR_OR_NULL(port->cable)) {
- svdm_version = typec_get_cable_svdm_version(typec);
- if (PD_VDO_SVDM_VER(p[0]) < svdm_version)
- typec_cable_set_svdm_version(port->cable, svdm_version);
- }
+ svdm_version = typec_get_cable_svdm_version(typec);
+ /*
+ * Update SVDM version if cable was discovered before port partner.
+ */
+ if (!IS_ERR_OR_NULL(port->cable) &&
+ PD_VDO_SVDM_VER(p[0]) < svdm_version)
+ typec_cable_set_svdm_version(port->cable, svdm_version);
break;
case TCPC_TX_SOP:
modep = &port->mode_data;
@@ -1920,6 +1917,15 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
switch (cmd_type) {
case CMDT_INIT:
+ /*
+ * Only the port or port partner is allowed to initialize SVDM
+ * commands over SOP'. In case the port partner initializes a
+ * sequence when it is not allowed to send SOP' messages, drop
+ * the message should the TCPM port try to process it.
+ */
+ if (rx_sop_type == TCPC_TX_SOP_PRIME)
+ return 0;
+
switch (cmd) {
case CMD_DISCOVER_IDENT:
if (PD_VDO_VID(p[0]) != USB_SID_PD)
--
GitLab
From 5424a44276ee60d39335ba037c7e142fad4a259a Mon Sep 17 00:00:00 2001
From: RD Babiera <rdbabiera@google.com>
Date: Fri, 23 Feb 2024 00:23:03 +0000
Subject: [PATCH 0831/2686] usb: typec: altmodes/displayport: send configure
message on sop'
When the port is setting the pin configuration when no configuration is
chosen, the DisplayPort driver will not send Configure to the cable plug
if it's available. Add transition to DP_STATE_CONFIGURE_PRIME.
Fixes: 71ba4fe56656 ("usb: typec: altmodes/displayport: add SOP' support")
Signed-off-by: RD Babiera <rdbabiera@google.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240223002302.3937235-2-rdbabiera@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/altmodes/displayport.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
index 5a80776c72557..867f9796f8a84 100644
--- a/drivers/usb/typec/altmodes/displayport.c
+++ b/drivers/usb/typec/altmodes/displayport.c
@@ -164,7 +164,8 @@ static int dp_altmode_status_update(struct dp_altmode *dp)
} else if (!(con & DP_CONF_CURRENTLY(dp->data.conf))) {
ret = dp_altmode_configure(dp, con);
if (!ret) {
- dp->state = DP_STATE_CONFIGURE;
+ dp->state = dp->plug_prime ? DP_STATE_CONFIGURE_PRIME :
+ DP_STATE_CONFIGURE;
if (dp->hpd != hpd) {
dp->hpd = hpd;
dp->pending_hpd = true;
--
GitLab
From d28240785e00ffb889d90368882bf382e22e9555 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oneukum@suse.com>
Date: Thu, 29 Feb 2024 14:17:33 +0100
Subject: [PATCH 0832/2686] usb: typec: pd: no opencoding of FIELD_GET
If we have a neat macro, at least new code should
use it.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20240229131851.16148-2-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/usb/pd_vdo.h | 5 +++--
include/linux/usb/typec_dp.h | 11 ++++++-----
2 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/include/linux/usb/pd_vdo.h b/include/linux/usb/pd_vdo.h
index c09c5a12e2734..5c48e8a81403d 100644
--- a/include/linux/usb/pd_vdo.h
+++ b/include/linux/usb/pd_vdo.h
@@ -7,6 +7,7 @@
#define __LINUX_USB_PD_VDO_H
#include "pd.h"
+#include <linux/bitfield.h>
/*
* VDO : Vendor Defined Message Object
@@ -188,7 +189,7 @@
* <5:3> :: Alternate modes
* <2:0> :: USB highest speed
*/
-#define PD_VDO_UFP_DEVCAP(vdo) (((vdo) & GENMASK(27, 24)) >> 24)
+#define PD_VDO_UFP_DEVCAP(vdo) FIELD_GET(GENMASK(27, 24), vdo)
/* UFP VDO Version */
#define UFP_VDO_VER1_2 2
@@ -247,7 +248,7 @@
* <21:5> :: Reserved
* <4:0> :: Port number
*/
-#define PD_VDO_DFP_HOSTCAP(vdo) (((vdo) & GENMASK(26, 24)) >> 24)
+#define PD_VDO_DFP_HOSTCAP(vdo) FIELD_GET(GENMASK(26, 24), vdo)
#define DFP_VDO_VER1_1 1
#define HOST_USB2_CAPABLE BIT(0)
diff --git a/include/linux/usb/typec_dp.h b/include/linux/usb/typec_dp.h
index 1f358098522df..f2da264d9c140 100644
--- a/include/linux/usb/typec_dp.h
+++ b/include/linux/usb/typec_dp.h
@@ -3,6 +3,7 @@
#define __USB_TYPEC_DP_H
#include <linux/usb/typec_altmode.h>
+#include <linux/bitfield.h>
#define USB_TYPEC_DP_SID 0xff01
/* USB IF has not assigned a Standard ID (SID) for VirtualLink,
@@ -67,21 +68,21 @@ enum {
#define DP_CAP_UFP_D 1
#define DP_CAP_DFP_D 2
#define DP_CAP_DFP_D_AND_UFP_D 3
-#define DP_CAP_DP_SIGNALLING(_cap_) (((_cap_) & GENMASK(5, 2)) >> 2)
+#define DP_CAP_DP_SIGNALLING(_cap_) FIELD_GET(GENMASK(5, 2), _cap_)
#define DP_CAP_SIGNALLING_HBR3 1
#define DP_CAP_SIGNALLING_UHBR10 2
#define DP_CAP_SIGNALLING_UHBR20 3
#define DP_CAP_RECEPTACLE BIT(6)
#define DP_CAP_USB BIT(7)
-#define DP_CAP_DFP_D_PIN_ASSIGN(_cap_) (((_cap_) & GENMASK(15, 8)) >> 8)
-#define DP_CAP_UFP_D_PIN_ASSIGN(_cap_) (((_cap_) & GENMASK(23, 16)) >> 16)
+#define DP_CAP_DFP_D_PIN_ASSIGN(_cap_) FIELD_GET(GENMASK(15, 8), _cap_)
+#define DP_CAP_UFP_D_PIN_ASSIGN(_cap_) FIELD_GET(GENMASK(23, 16), _cap_)
/* Get pin assignment taking plug & receptacle into consideration */
#define DP_CAP_PIN_ASSIGN_UFP_D(_cap_) ((_cap_ & DP_CAP_RECEPTACLE) ? \
DP_CAP_UFP_D_PIN_ASSIGN(_cap_) : DP_CAP_DFP_D_PIN_ASSIGN(_cap_))
#define DP_CAP_PIN_ASSIGN_DFP_D(_cap_) ((_cap_ & DP_CAP_RECEPTACLE) ? \
DP_CAP_DFP_D_PIN_ASSIGN(_cap_) : DP_CAP_UFP_D_PIN_ASSIGN(_cap_))
#define DP_CAP_UHBR_13_5_SUPPORT BIT(26)
-#define DP_CAP_CABLE_TYPE(_cap_) (((_cap_) & GENMASK(29, 28)) >> 28)
+#define DP_CAP_CABLE_TYPE(_cap_) FIELD_GET(GENMASK(29, 28), _cap_)
#define DP_CAP_CABLE_TYPE_PASSIVE 0
#define DP_CAP_CABLE_TYPE_RE_TIMER 1
#define DP_CAP_CABLE_TYPE_RE_DRIVER 2
@@ -116,7 +117,7 @@ enum {
/* Helper for setting/getting the pin assignment value to the configuration */
#define DP_CONF_SET_PIN_ASSIGN(_a_) ((_a_) << 8)
-#define DP_CONF_GET_PIN_ASSIGN(_conf_) (((_conf_) & GENMASK(15, 8)) >> 8)
+#define DP_CONF_GET_PIN_ASSIGN(_conf_) FIELD_GET(GENMASK(15, 8), _conf_)
#define DP_CONF_UHBR13_5_SUPPORT BIT(26)
#define DP_CONF_CABLE_TYPE_MASK GENMASK(29, 28)
#define DP_CONF_CABLE_TYPE_SHIFT 28
--
GitLab
From 4d0a5a9915793377c0fe1a8d78de6bcd92cea963 Mon Sep 17 00:00:00 2001
From: Jameson Thies <jthies@google.com>
Date: Tue, 5 Mar 2024 02:58:01 +0000
Subject: [PATCH 0833/2686] usb: typec: ucsi: Clean up UCSI_CABLE_PROP macros
Clean up UCSI_CABLE_PROP macros by fixing a bitmask shifting error for
plug type and updating the modal support macro for consistent naming.
Fixes: 3cf657f07918 ("usb: typec: ucsi: Remove all bit-fields")
Cc: stable@vger.kernel.org
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jameson Thies <jthies@google.com>
Link: https://lore.kernel.org/r/20240305025804.1290919-2-jthies@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index 7e35ffbe0a6f2..469a2baf472e4 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -259,12 +259,12 @@ struct ucsi_cable_property {
#define UCSI_CABLE_PROP_FLAG_VBUS_IN_CABLE BIT(0)
#define UCSI_CABLE_PROP_FLAG_ACTIVE_CABLE BIT(1)
#define UCSI_CABLE_PROP_FLAG_DIRECTIONALITY BIT(2)
-#define UCSI_CABLE_PROP_FLAG_PLUG_TYPE(_f_) ((_f_) & GENMASK(3, 0))
+#define UCSI_CABLE_PROP_FLAG_PLUG_TYPE(_f_) (((_f_) & GENMASK(4, 3)) >> 3)
#define UCSI_CABLE_PROPERTY_PLUG_TYPE_A 0
#define UCSI_CABLE_PROPERTY_PLUG_TYPE_B 1
#define UCSI_CABLE_PROPERTY_PLUG_TYPE_C 2
#define UCSI_CABLE_PROPERTY_PLUG_OTHER 3
-#define UCSI_CABLE_PROP_MODE_SUPPORT BIT(5)
+#define UCSI_CABLE_PROP_FLAG_MODE_SUPPORT BIT(5)
u8 latency;
} __packed;
--
GitLab
From 38ca416597b02fb99e38ea12a30f80593b1f2a05 Mon Sep 17 00:00:00 2001
From: Jameson Thies <jthies@google.com>
Date: Tue, 5 Mar 2024 02:58:02 +0000
Subject: [PATCH 0834/2686] usb: typec: ucsi: Register cables based on
GET_CABLE_PROPERTY
Register cables with the Type-C Connector Class in the UCSI driver based
on the PPM response to GET_CABLE_PROPERTY. Registered cable properties
include plug type, cable type and major revision.
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Jameson Thies <jthies@google.com>
Link: https://lore.kernel.org/r/20240305025804.1290919-3-jthies@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi.c | 73 +++++++++++++++++++++++++++++++++++
drivers/usb/typec/ucsi/ucsi.h | 5 +++
2 files changed, 78 insertions(+)
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index ae105383e69e7..7c84687b5d1a3 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -734,6 +734,52 @@ static void ucsi_unregister_partner_pdos(struct ucsi_connector *con)
con->partner_pd = NULL;
}
+static int ucsi_register_cable(struct ucsi_connector *con)
+{
+ struct typec_cable *cable;
+ struct typec_cable_desc desc = {};
+
+ switch (UCSI_CABLE_PROP_FLAG_PLUG_TYPE(con->cable_prop.flags)) {
+ case UCSI_CABLE_PROPERTY_PLUG_TYPE_A:
+ desc.type = USB_PLUG_TYPE_A;
+ break;
+ case UCSI_CABLE_PROPERTY_PLUG_TYPE_B:
+ desc.type = USB_PLUG_TYPE_B;
+ break;
+ case UCSI_CABLE_PROPERTY_PLUG_TYPE_C:
+ desc.type = USB_PLUG_TYPE_C;
+ break;
+ default:
+ desc.type = USB_PLUG_NONE;
+ break;
+ }
+
+ desc.active = !!(UCSI_CABLE_PROP_FLAG_ACTIVE_CABLE &
+ con->cable_prop.flags);
+ desc.pd_revision = UCSI_CABLE_PROP_FLAG_PD_MAJOR_REV_AS_BCD(
+ con->cable_prop.flags);
+
+ cable = typec_register_cable(con->port, &desc);
+ if (IS_ERR(cable)) {
+ dev_err(con->ucsi->dev,
+ "con%d: failed to register cable (%ld)\n", con->num,
+ PTR_ERR(cable));
+ return PTR_ERR(cable);
+ }
+
+ con->cable = cable;
+ return 0;
+}
+
+static void ucsi_unregister_cable(struct ucsi_connector *con)
+{
+ if (!con->cable)
+ return;
+
+ typec_unregister_cable(con->cable);
+ con->cable = NULL;
+}
+
static void ucsi_pwr_opmode_change(struct ucsi_connector *con)
{
switch (UCSI_CONSTAT_PWR_OPMODE(con->status.flags)) {
@@ -807,6 +853,7 @@ static void ucsi_unregister_partner(struct ucsi_connector *con)
typec_partner_set_usb_power_delivery(con->partner, NULL);
ucsi_unregister_partner_pdos(con);
ucsi_unregister_altmodes(con, UCSI_RECIPIENT_SOP);
+ ucsi_unregister_cable(con);
typec_unregister_partner(con->partner);
con->partner = NULL;
}
@@ -907,6 +954,30 @@ static int ucsi_check_connection(struct ucsi_connector *con)
return 0;
}
+static int ucsi_check_cable(struct ucsi_connector *con)
+{
+ u64 command;
+ int ret;
+
+ if (con->cable)
+ return 0;
+
+ command = UCSI_GET_CABLE_PROPERTY | UCSI_CONNECTOR_NUMBER(con->num);
+ ret = ucsi_send_command(con->ucsi, command, &con->cable_prop,
+ sizeof(con->cable_prop));
+ if (ret < 0) {
+ dev_err(con->ucsi->dev, "GET_CABLE_PROPERTY failed (%d)\n",
+ ret);
+ return ret;
+ }
+
+ ret = ucsi_register_cable(con);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
static void ucsi_handle_connector_change(struct work_struct *work)
{
struct ucsi_connector *con = container_of(work, struct ucsi_connector,
@@ -948,6 +1019,7 @@ static void ucsi_handle_connector_change(struct work_struct *work)
ucsi_register_partner(con);
ucsi_partner_task(con, ucsi_check_connection, 1, HZ);
ucsi_partner_task(con, ucsi_check_connector_capability, 1, HZ);
+ ucsi_partner_task(con, ucsi_check_cable, 1, HZ);
if (UCSI_CONSTAT_PWR_OPMODE(con->status.flags) ==
UCSI_CONSTAT_PWR_OPMODE_PD)
@@ -1346,6 +1418,7 @@ static int ucsi_register_port(struct ucsi *ucsi, struct ucsi_connector *con)
ucsi_register_partner(con);
ucsi_pwr_opmode_change(con);
ucsi_port_psy_changed(con);
+ ucsi_check_cable(con);
}
/* Only notify USB controller if partner supports USB data */
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index 469a2baf472e4..f0aabef0b7c64 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -265,6 +265,9 @@ struct ucsi_cable_property {
#define UCSI_CABLE_PROPERTY_PLUG_TYPE_C 2
#define UCSI_CABLE_PROPERTY_PLUG_OTHER 3
#define UCSI_CABLE_PROP_FLAG_MODE_SUPPORT BIT(5)
+#define UCSI_CABLE_PROP_FLAG_PD_MAJOR_REV(_f_) (((_f_) & GENMASK(7, 6)) >> 6)
+#define UCSI_CABLE_PROP_FLAG_PD_MAJOR_REV_AS_BCD(_f_) \
+ UCSI_SPEC_REVISION_TO_BCD(UCSI_CABLE_PROP_FLAG_PD_MAJOR_REV(_f_))
u8 latency;
} __packed;
@@ -400,6 +403,7 @@ struct ucsi_connector {
struct typec_port *port;
struct typec_partner *partner;
+ struct typec_cable *cable;
struct typec_altmode *port_altmode[UCSI_MAX_ALTMODES];
struct typec_altmode *partner_altmode[UCSI_MAX_ALTMODES];
@@ -408,6 +412,7 @@ struct ucsi_connector {
struct ucsi_connector_status status;
struct ucsi_connector_capability cap;
+ struct ucsi_cable_property cable_prop;
struct power_supply *psy;
struct power_supply_desc psy_desc;
u32 rdo;
--
GitLab
From f896d5e8726cd755f4868aaf8332daabaf480d7a Mon Sep 17 00:00:00 2001
From: Jameson Thies <jthies@google.com>
Date: Tue, 5 Mar 2024 02:58:03 +0000
Subject: [PATCH 0835/2686] usb: typec: ucsi: Register SOP/SOP' Discover
Identity Responses
Register SOP and SOP' Discover Identity responses with the USB Type-C
Connector Class as partner and cable identities, respectively. Discover
Identity responses are requested from the PPM using the GET_PD_MESSAGE
UCSI command.
Signed-off-by: Jameson Thies <jthies@google.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20240305025804.1290919-4-jthies@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi.c | 112 ++++++++++++++++++++++++++++++++++
drivers/usb/typec/ucsi/ucsi.h | 29 +++++++++
2 files changed, 141 insertions(+)
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 7c84687b5d1a3..3b64a0f51041c 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -646,6 +646,108 @@ static int ucsi_get_src_pdos(struct ucsi_connector *con)
return ret;
}
+static int ucsi_read_identity(struct ucsi_connector *con, u8 recipient,
+ u8 offset, u8 bytes, void *resp)
+{
+ struct ucsi *ucsi = con->ucsi;
+ u64 command;
+ int ret;
+
+ command = UCSI_COMMAND(UCSI_GET_PD_MESSAGE) |
+ UCSI_CONNECTOR_NUMBER(con->num);
+ command |= UCSI_GET_PD_MESSAGE_RECIPIENT(recipient);
+ command |= UCSI_GET_PD_MESSAGE_OFFSET(offset);
+ command |= UCSI_GET_PD_MESSAGE_BYTES(bytes);
+ command |= UCSI_GET_PD_MESSAGE_TYPE(UCSI_GET_PD_MESSAGE_TYPE_IDENTITY);
+
+ ret = ucsi_send_command(ucsi, command, resp, bytes);
+ if (ret < 0)
+ dev_err(ucsi->dev, "UCSI_GET_PD_MESSAGE failed (%d)\n", ret);
+
+ return ret;
+}
+
+static int ucsi_get_identity(struct ucsi_connector *con, u8 recipient,
+ struct usb_pd_identity *id)
+{
+ struct ucsi *ucsi = con->ucsi;
+ struct ucsi_pd_message_disc_id resp = {};
+ int ret;
+
+ if (ucsi->version < UCSI_VERSION_2_0) {
+ /*
+ * Before UCSI v2.0, MESSAGE_IN is 16 bytes which cannot fit
+ * the 28 byte identity response including the VDM header.
+ * First request the VDM header, ID Header VDO, Cert Stat VDO
+ * and Product VDO.
+ */
+ ret = ucsi_read_identity(con, recipient, 0, 0x10, &resp);
+ if (ret < 0)
+ return ret;
+
+
+ /* Then request Product Type VDO1 through Product Type VDO3. */
+ ret = ucsi_read_identity(con, recipient, 0x10, 0xc,
+ &resp.vdo[0]);
+ if (ret < 0)
+ return ret;
+
+ } else {
+ /*
+ * In UCSI v2.0 and after, MESSAGE_IN is large enough to request
+ * the large enough to request the full Discover Identity
+ * response at once.
+ */
+ ret = ucsi_read_identity(con, recipient, 0x0, 0x1c, &resp);
+ if (ret < 0)
+ return ret;
+ }
+
+ id->id_header = resp.id_header;
+ id->cert_stat = resp.cert_stat;
+ id->product = resp.product;
+ id->vdo[0] = resp.vdo[0];
+ id->vdo[1] = resp.vdo[1];
+ id->vdo[2] = resp.vdo[2];
+ return 0;
+}
+
+static int ucsi_get_partner_identity(struct ucsi_connector *con)
+{
+ int ret;
+
+ ret = ucsi_get_identity(con, UCSI_RECIPIENT_SOP,
+ &con->partner_identity);
+ if (ret < 0)
+ return ret;
+
+ ret = typec_partner_set_identity(con->partner);
+ if (ret < 0) {
+ dev_err(con->ucsi->dev, "Failed to set partner identity (%d)\n",
+ ret);
+ }
+
+ return ret;
+}
+
+static int ucsi_get_cable_identity(struct ucsi_connector *con)
+{
+ int ret;
+
+ ret = ucsi_get_identity(con, UCSI_RECIPIENT_SOP_P,
+ &con->cable_identity);
+ if (ret < 0)
+ return ret;
+
+ ret = typec_cable_set_identity(con->cable);
+ if (ret < 0) {
+ dev_err(con->ucsi->dev, "Failed to set cable identity (%d)\n",
+ ret);
+ }
+
+ return ret;
+}
+
static int ucsi_check_altmodes(struct ucsi_connector *con)
{
int ret, num_partner_am;
@@ -754,6 +856,7 @@ static int ucsi_register_cable(struct ucsi_connector *con)
break;
}
+ desc.identity = &con->cable_identity;
desc.active = !!(UCSI_CABLE_PROP_FLAG_ACTIVE_CABLE &
con->cable_prop.flags);
desc.pd_revision = UCSI_CABLE_PROP_FLAG_PD_MAJOR_REV_AS_BCD(
@@ -777,6 +880,7 @@ static void ucsi_unregister_cable(struct ucsi_connector *con)
return;
typec_unregister_cable(con->cable);
+ memset(&con->cable_identity, 0, sizeof(con->cable_identity));
con->cable = NULL;
}
@@ -827,6 +931,7 @@ static int ucsi_register_partner(struct ucsi_connector *con)
break;
}
+ desc.identity = &con->partner_identity;
desc.usb_pd = pwr_opmode == UCSI_CONSTAT_PWR_OPMODE_PD;
desc.pd_revision = UCSI_CONCAP_FLAG_PARTNER_PD_MAJOR_REV_AS_BCD(con->cap.flags);
@@ -855,6 +960,7 @@ static void ucsi_unregister_partner(struct ucsi_connector *con)
ucsi_unregister_altmodes(con, UCSI_RECIPIENT_SOP);
ucsi_unregister_cable(con);
typec_unregister_partner(con->partner);
+ memset(&con->partner_identity, 0, sizeof(con->partner_identity));
con->partner = NULL;
}
@@ -975,6 +1081,10 @@ static int ucsi_check_cable(struct ucsi_connector *con)
if (ret < 0)
return ret;
+ ret = ucsi_get_cable_identity(con);
+ if (ret < 0)
+ return ret;
+
return 0;
}
@@ -1019,6 +1129,7 @@ static void ucsi_handle_connector_change(struct work_struct *work)
ucsi_register_partner(con);
ucsi_partner_task(con, ucsi_check_connection, 1, HZ);
ucsi_partner_task(con, ucsi_check_connector_capability, 1, HZ);
+ ucsi_partner_task(con, ucsi_get_partner_identity, 1, HZ);
ucsi_partner_task(con, ucsi_check_cable, 1, HZ);
if (UCSI_CONSTAT_PWR_OPMODE(con->status.flags) ==
@@ -1418,6 +1529,7 @@ static int ucsi_register_port(struct ucsi *ucsi, struct ucsi_connector *con)
ucsi_register_partner(con);
ucsi_pwr_opmode_change(con);
ucsi_port_psy_changed(con);
+ ucsi_get_partner_identity(con);
ucsi_check_cable(con);
}
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index f0aabef0b7c64..b89fae82e8ce7 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -106,6 +106,7 @@ void ucsi_connector_change(struct ucsi *ucsi, u8 num);
#define UCSI_GET_CABLE_PROPERTY 0x11
#define UCSI_GET_CONNECTOR_STATUS 0x12
#define UCSI_GET_ERROR_STATUS 0x13
+#define UCSI_GET_PD_MESSAGE 0x15
#define UCSI_CONNECTOR_NUMBER(_num_) ((u64)(_num_) << 16)
#define UCSI_COMMAND(_cmd_) ((_cmd_) & 0xff)
@@ -159,6 +160,18 @@ void ucsi_connector_change(struct ucsi *ucsi, u8 num);
#define UCSI_MAX_PDOS (4)
#define UCSI_GET_PDOS_SRC_PDOS ((u64)1 << 34)
+/* GET_PD_MESSAGE command bits */
+#define UCSI_GET_PD_MESSAGE_RECIPIENT(_r_) ((u64)(_r_) << 23)
+#define UCSI_GET_PD_MESSAGE_OFFSET(_r_) ((u64)(_r_) << 26)
+#define UCSI_GET_PD_MESSAGE_BYTES(_r_) ((u64)(_r_) << 34)
+#define UCSI_GET_PD_MESSAGE_TYPE(_r_) ((u64)(_r_) << 42)
+#define UCSI_GET_PD_MESSAGE_TYPE_SNK_CAP_EXT 0
+#define UCSI_GET_PD_MESSAGE_TYPE_SRC_CAP_EXT 1
+#define UCSI_GET_PD_MESSAGE_TYPE_BAT_CAP 2
+#define UCSI_GET_PD_MESSAGE_TYPE_BAT_STAT 3
+#define UCSI_GET_PD_MESSAGE_TYPE_IDENTITY 4
+#define UCSI_GET_PD_MESSAGE_TYPE_REVISION 5
+
/* -------------------------------------------------------------------------- */
/* Error information returned by PPM in response to GET_ERROR_STATUS command. */
@@ -338,6 +351,18 @@ struct ucsi_connector_status {
((get_unaligned_le32(&(_p_)[5]) & GENMASK(16, 1)) >> 1)
} __packed;
+/*
+ * Data structure filled by PPM in response to GET_PD_MESSAGE command with the
+ * Response Message Type set to Discover Identity Response.
+ */
+struct ucsi_pd_message_disc_id {
+ u32 vdm_header;
+ u32 id_header;
+ u32 cert_stat;
+ u32 product;
+ u32 vdo[3];
+} __packed;
+
/* -------------------------------------------------------------------------- */
struct ucsi_debugfs_entry {
@@ -428,6 +453,10 @@ struct ucsi_connector {
struct usb_power_delivery_capabilities *partner_sink_caps;
struct usb_role_switch *usb_role_sw;
+
+ /* USB PD identity */
+ struct usb_pd_identity partner_identity;
+ struct usb_pd_identity cable_identity;
};
int ucsi_send_command(struct ucsi *ucsi, u64 command,
--
GitLab
From 3dd85520736349dea2b4f3f78a60cf367af83f20 Mon Sep 17 00:00:00 2001
From: Jameson Thies <jthies@google.com>
Date: Tue, 5 Mar 2024 02:58:04 +0000
Subject: [PATCH 0836/2686] usb: typec: ucsi: Register SOP' alternate modes
with cable plug
Register SOP' alternate modes with a Type-C Connector Class cable plug.
Alternate modes are queried from the PPM using the GET_ALTERNATE_MODES
command with recipient set to SOP'.
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Jameson Thies <jthies@google.com>
Link: https://lore.kernel.org/r/20240305025804.1290919-5-jthies@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi.c | 60 +++++++++++++++++++++++++++++++++++
drivers/usb/typec/ucsi/ucsi.h | 2 ++
2 files changed, 62 insertions(+)
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 3b64a0f51041c..cf52cb34d2859 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -399,6 +399,27 @@ static int ucsi_register_altmode(struct ucsi_connector *con,
con->partner_altmode[i] = alt;
break;
+ case UCSI_RECIPIENT_SOP_P:
+ i = ucsi_next_altmode(con->plug_altmode);
+ if (i < 0) {
+ ret = i;
+ goto err;
+ }
+
+ ret = ucsi_altmode_next_mode(con->plug_altmode, desc->svid);
+ if (ret < 0)
+ return ret;
+
+ desc->mode = ret;
+
+ alt = typec_plug_register_altmode(con->plug, desc);
+ if (IS_ERR(alt)) {
+ ret = PTR_ERR(alt);
+ goto err;
+ }
+
+ con->plug_altmode[i] = alt;
+ break;
default:
return -EINVAL;
}
@@ -566,6 +587,9 @@ static void ucsi_unregister_altmodes(struct ucsi_connector *con, u8 recipient)
case UCSI_RECIPIENT_SOP:
adev = con->partner_altmode;
break;
+ case UCSI_RECIPIENT_SOP_P:
+ adev = con->plug_altmode;
+ break;
default:
return;
}
@@ -836,6 +860,33 @@ static void ucsi_unregister_partner_pdos(struct ucsi_connector *con)
con->partner_pd = NULL;
}
+static int ucsi_register_plug(struct ucsi_connector *con)
+{
+ struct typec_plug *plug;
+ struct typec_plug_desc desc = {.index = TYPEC_PLUG_SOP_P};
+
+ plug = typec_register_plug(con->cable, &desc);
+ if (IS_ERR(plug)) {
+ dev_err(con->ucsi->dev,
+ "con%d: failed to register plug (%ld)\n", con->num,
+ PTR_ERR(plug));
+ return PTR_ERR(plug);
+ }
+
+ con->plug = plug;
+ return 0;
+}
+
+static void ucsi_unregister_plug(struct ucsi_connector *con)
+{
+ if (!con->plug)
+ return;
+
+ ucsi_unregister_altmodes(con, UCSI_RECIPIENT_SOP_P);
+ typec_unregister_plug(con->plug);
+ con->plug = NULL;
+}
+
static int ucsi_register_cable(struct ucsi_connector *con)
{
struct typec_cable *cable;
@@ -879,6 +930,7 @@ static void ucsi_unregister_cable(struct ucsi_connector *con)
if (!con->cable)
return;
+ ucsi_unregister_plug(con);
typec_unregister_cable(con->cable);
memset(&con->cable_identity, 0, sizeof(con->cable_identity));
con->cable = NULL;
@@ -1085,6 +1137,14 @@ static int ucsi_check_cable(struct ucsi_connector *con)
if (ret < 0)
return ret;
+ ret = ucsi_register_plug(con);
+ if (ret < 0)
+ return ret;
+
+ ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_SOP_P);
+ if (ret < 0)
+ return ret;
+
return 0;
}
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index b89fae82e8ce7..32daf5f586505 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -429,9 +429,11 @@ struct ucsi_connector {
struct typec_port *port;
struct typec_partner *partner;
struct typec_cable *cable;
+ struct typec_plug *plug;
struct typec_altmode *port_altmode[UCSI_MAX_ALTMODES];
struct typec_altmode *partner_altmode[UCSI_MAX_ALTMODES];
+ struct typec_altmode *plug_altmode[UCSI_MAX_ALTMODES];
struct typec_capability typec_cap;
--
GitLab
From e7b98987b4d7a6e13c130b71ffe72340b0a7639c Mon Sep 17 00:00:00 2001
From: Yang Xiwen <forbidden405@outlook.com>
Date: Sun, 25 Feb 2024 20:03:48 +0800
Subject: [PATCH 0837/2686] dt-bindings: usb: add hisilicon,hi3798mv200-dwc3
Document the DWC3 controller used by Hi3798MV200.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Yang Xiwen <forbidden405@outlook.com>
Link: https://lore.kernel.org/r/20240225-dwc3-v4-1-8c1fd6c6f615@outlook.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../usb/hisilicon,hi3798mv200-dwc3.yaml | 99 +++++++++++++++++++
1 file changed, 99 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/hisilicon,hi3798mv200-dwc3.yaml
diff --git a/Documentation/devicetree/bindings/usb/hisilicon,hi3798mv200-dwc3.yaml b/Documentation/devicetree/bindings/usb/hisilicon,hi3798mv200-dwc3.yaml
new file mode 100644
index 0000000000000..f3011694393d8
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/hisilicon,hi3798mv200-dwc3.yaml
@@ -0,0 +1,99 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/hisilicon,hi3798mv200-dwc3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HiSilicon Hi3798MV200 DWC3 USB SoC controller
+
+maintainers:
+ - Yang Xiwen <forbidden405@foxmail.com>
+
+properties:
+ compatible:
+ const: hisilicon,hi3798mv200-dwc3
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 1
+
+ ranges: true
+
+ clocks:
+ items:
+ - description: Controller bus clock
+ - description: Controller suspend clock
+ - description: Controller reference clock
+ - description: Controller gm clock
+ - description: Controller gs clock
+ - description: Controller utmi clock
+ - description: Controller pipe clock
+
+ clock-names:
+ items:
+ - const: bus
+ - const: suspend
+ - const: ref
+ - const: gm
+ - const: gs
+ - const: utmi
+ - const: pipe
+
+ resets:
+ maxItems: 1
+
+ reset-names:
+ const: soft
+
+patternProperties:
+ '^usb@[0-9a-f]+$':
+ $ref: snps,dwc3.yaml#
+
+required:
+ - compatible
+ - ranges
+ - '#address-cells'
+ - '#size-cells'
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ usb {
+ compatible = "hisilicon,hi3798mv200-dwc3";
+ ranges;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ clocks = <&clk_bus>,
+ <&clk_suspend>,
+ <&clk_ref>,
+ <&clk_gm>,
+ <&clk_gs>,
+ <&clk_utmi>,
+ <&clk_pipe>;
+ clock-names = "bus", "suspend", "ref", "gm", "gs", "utmi", "pipe";
+ resets = <&crg 0xb0 12>;
+ reset-names = "soft";
+
+ usb@98a0000 {
+ compatible = "snps,dwc3";
+ reg = <0x98a0000 0x10000>;
+ interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk_bus>,
+ <&clk_suspend>,
+ <&clk_ref>;
+ clock-names = "bus_early", "suspend", "ref";
+ phys = <&usb2_phy1_port2>, <&combphy0 0>;
+ phy-names = "usb2-phy", "usb3-phy";
+ maximum-speed = "super-speed";
+ dr_mode = "host";
+ };
+ };
--
GitLab
From 8d36c0e433e0807700fe967953f8b0beb0dc5159 Mon Sep 17 00:00:00 2001
From: Yang Xiwen <forbidden405@outlook.com>
Date: Sun, 25 Feb 2024 20:03:49 +0800
Subject: [PATCH 0838/2686] usb: dwc3: of-simple: Add compatible for
hi3798mv200 DWC3 controller
Hi3798MV200 uses dwc3 controller with a few more clocks and a dedicated
resets. Use of_simple driver for it.
Signed-off-by: Yang Xiwen <forbidden405@outlook.com>
Link: https://lore.kernel.org/r/20240225-dwc3-v4-2-8c1fd6c6f615@outlook.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/dwc3-of-simple.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c
index 9cf9ee1b637b7..be7be00ecb349 100644
--- a/drivers/usb/dwc3/dwc3-of-simple.c
+++ b/drivers/usb/dwc3/dwc3-of-simple.c
@@ -172,6 +172,7 @@ static const struct of_device_id of_dwc3_simple_match[] = {
{ .compatible = "sprd,sc9860-dwc3" },
{ .compatible = "allwinner,sun50i-h6-dwc3" },
{ .compatible = "hisilicon,hi3670-dwc3" },
+ { .compatible = "hisilicon,hi3798mv200-dwc3" },
{ .compatible = "intel,keembay-dwc3" },
{ /* Sentinel */ }
};
--
GitLab
From 6661befe41009c210efa2c1bcd16a5cc4cff8a06 Mon Sep 17 00:00:00 2001
From: Roger Quadros <rogerq@kernel.org>
Date: Tue, 27 Feb 2024 11:23:48 +0200
Subject: [PATCH 0839/2686] usb: dwc3-am62: fix module unload/reload behavior
As runtime PM is enabled, the module can be runtime
suspended when .remove() is called.
Do a pm_runtime_get_sync() to make sure module is active
before doing any register operations.
Doing a pm_runtime_put_sync() should disable the refclk
so no need to disable it again.
Fixes the below warning at module removel.
[ 39.705310] ------------[ cut here ]------------
[ 39.710004] clk:162:3 already disabled
[ 39.713941] WARNING: CPU: 0 PID: 921 at drivers/clk/clk.c:1090 clk_core_disable+0xb0/0xb8
We called of_platform_populate() in .probe() so call the
cleanup function of_platform_depopulate() in .remove().
Get rid of the now unnnecessary dwc3_ti_remove_core().
Without this, module re-load doesn't work properly.
Fixes: e8784c0aec03 ("drivers: usb: dwc3: Add AM62 USB wrapper driver")
Cc: stable@vger.kernel.org # v5.19+
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20240227-for-v6-9-am62-usb-errata-3-0-v4-1-0ada8ddb0767@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/dwc3-am62.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/drivers/usb/dwc3/dwc3-am62.c b/drivers/usb/dwc3/dwc3-am62.c
index 90a587bc29b74..f85603b7f7c5e 100644
--- a/drivers/usb/dwc3/dwc3-am62.c
+++ b/drivers/usb/dwc3/dwc3-am62.c
@@ -267,21 +267,14 @@ static int dwc3_ti_probe(struct platform_device *pdev)
return ret;
}
-static int dwc3_ti_remove_core(struct device *dev, void *c)
-{
- struct platform_device *pdev = to_platform_device(dev);
-
- platform_device_unregister(pdev);
- return 0;
-}
-
static void dwc3_ti_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct dwc3_am62 *am62 = platform_get_drvdata(pdev);
u32 reg;
- device_for_each_child(dev, NULL, dwc3_ti_remove_core);
+ pm_runtime_get_sync(dev);
+ of_platform_depopulate(dev);
/* Clear mode valid bit */
reg = dwc3_ti_readl(am62, USBSS_MODE_CONTROL);
@@ -289,7 +282,6 @@ static void dwc3_ti_remove(struct platform_device *pdev)
dwc3_ti_writel(am62, USBSS_MODE_CONTROL, reg);
pm_runtime_put_sync(dev);
- clk_disable_unprepare(am62->usb2_refclk);
pm_runtime_disable(dev);
pm_runtime_set_suspended(dev);
}
--
GitLab
From 4ead695e6b3cac06543d7bc7241ab75aee4ea6a6 Mon Sep 17 00:00:00 2001
From: Roger Quadros <rogerq@kernel.org>
Date: Tue, 27 Feb 2024 11:23:49 +0200
Subject: [PATCH 0840/2686] usb: dwc3-am62: Disable wakeup at remove
Disable wakeup at remove.
Fixes the below warnings on module unload and reload.
> dwc3-am62 f900000.dwc3-usb: couldn't enable device as a wakeup source: -17
> dwc3-am62 f910000.dwc3-usb: couldn't enable device as a wakeup source: -17
Fixes: 4e3972b589da ("usb: dwc3-am62: Enable as a wakeup source by default")
Cc: stable@vger.kernel.org # v6.4+
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20240227-for-v6-9-am62-usb-errata-3-0-v4-2-0ada8ddb0767@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/dwc3-am62.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/dwc3/dwc3-am62.c b/drivers/usb/dwc3/dwc3-am62.c
index f85603b7f7c5e..ea6e29091c0c9 100644
--- a/drivers/usb/dwc3/dwc3-am62.c
+++ b/drivers/usb/dwc3/dwc3-am62.c
@@ -274,6 +274,7 @@ static void dwc3_ti_remove(struct platform_device *pdev)
u32 reg;
pm_runtime_get_sync(dev);
+ device_init_wakeup(dev, false);
of_platform_depopulate(dev);
/* Clear mode valid bit */
--
GitLab
From d78ff37567c9391a0938c5d212efec679859029b Mon Sep 17 00:00:00 2001
From: Roger Quadros <rogerq@kernel.org>
Date: Tue, 27 Feb 2024 11:23:50 +0200
Subject: [PATCH 0841/2686] usb: dwc3-am62: Fix PHY core voltage selection
TRM information is outdated and design team has confirmed
that PHY_CORE_VOLTAGE should be 0 irrespective of
VDD_CORE voltage.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240227-for-v6-9-am62-usb-errata-3-0-v4-3-0ada8ddb0767@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/dwc3-am62.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/dwc3-am62.c b/drivers/usb/dwc3/dwc3-am62.c
index ea6e29091c0c9..09b1f5a1c4fb3 100644
--- a/drivers/usb/dwc3/dwc3-am62.c
+++ b/drivers/usb/dwc3/dwc3-am62.c
@@ -97,7 +97,8 @@
#define USBSS_VBUS_STAT_SESSVALID BIT(2)
#define USBSS_VBUS_STAT_VBUSVALID BIT(0)
-/* Mask for PHY PLL REFCLK */
+/* USB_PHY_CTRL register bits in CTRL_MMR */
+#define PHY_CORE_VOLTAGE_MASK BIT(31)
#define PHY_PLL_REFCLK_MASK GENMASK(3, 0)
#define DWC3_AM62_AUTOSUSPEND_DELAY 100
@@ -162,6 +163,13 @@ static int phy_syscon_pll_refclk(struct dwc3_am62 *am62)
am62->offset = args.args[0];
+ /* Core voltage. PHY_CORE_VOLTAGE bit Recommended to be 0 always */
+ ret = regmap_update_bits(am62->syscon, am62->offset, PHY_CORE_VOLTAGE_MASK, 0);
+ if (ret) {
+ dev_err(dev, "failed to set phy core voltage\n");
+ return ret;
+ }
+
ret = regmap_update_bits(am62->syscon, am62->offset, PHY_PLL_REFCLK_MASK, am62->rate_code);
if (ret) {
dev_err(dev, "failed to set phy pll reference clock rate\n");
--
GitLab
From f0b9c578408e2a54c14d4ccad58c4674c24e3fba Mon Sep 17 00:00:00 2001
From: Roger Quadros <rogerq@kernel.org>
Date: Tue, 27 Feb 2024 11:23:51 +0200
Subject: [PATCH 0842/2686] usb: dwc3-am62: add workaround for Errata i2409
All AM62 devices have Errata i2409 [1] due to which
USB2 PHY may lock up due to short suspend.
Workaround involves setting bit 5 and 4 PLL_REG12
in PHY2 register space after USB controller is brought
out of LPSC reset but before controller initialization.
Handle this workaround.
[1] - https://www.ti.com/lit/er/sprz487d/sprz487d.pdf
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240227-for-v6-9-am62-usb-errata-3-0-v4-4-0ada8ddb0767@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/dwc3-am62.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/dwc3-am62.c b/drivers/usb/dwc3/dwc3-am62.c
index 09b1f5a1c4fb3..fad151e78fd66 100644
--- a/drivers/usb/dwc3/dwc3-am62.c
+++ b/drivers/usb/dwc3/dwc3-am62.c
@@ -101,6 +101,11 @@
#define PHY_CORE_VOLTAGE_MASK BIT(31)
#define PHY_PLL_REFCLK_MASK GENMASK(3, 0)
+/* USB PHY2 register offsets */
+#define USB_PHY_PLL_REG12 0x130
+#define USB_PHY_PLL_LDO_REF_EN BIT(5)
+#define USB_PHY_PLL_LDO_REF_EN_EN BIT(4)
+
#define DWC3_AM62_AUTOSUSPEND_DELAY 100
struct dwc3_am62 {
@@ -184,8 +189,9 @@ static int dwc3_ti_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct device_node *node = pdev->dev.of_node;
struct dwc3_am62 *am62;
- int i, ret;
unsigned long rate;
+ void __iomem *phy;
+ int i, ret;
u32 reg;
am62 = devm_kzalloc(dev, sizeof(*am62), GFP_KERNEL);
@@ -227,6 +233,17 @@ static int dwc3_ti_probe(struct platform_device *pdev)
if (ret)
return ret;
+ /* Workaround Errata i2409 */
+ phy = devm_platform_ioremap_resource(pdev, 1);
+ if (IS_ERR(phy)) {
+ dev_err(dev, "can't map PHY IOMEM resource. Won't apply i2409 fix.\n");
+ phy = NULL;
+ } else {
+ reg = readl(phy + USB_PHY_PLL_REG12);
+ reg |= USB_PHY_PLL_LDO_REF_EN | USB_PHY_PLL_LDO_REF_EN_EN;
+ writel(reg, phy + USB_PHY_PLL_REG12);
+ }
+
/* VBUS divider select */
am62->vbus_divider = device_property_read_bool(dev, "ti,vbus-divider");
reg = dwc3_ti_readl(am62, USBSS_PHY_CONFIG);
--
GitLab
From 1e43c86d84fb0503e82a143e017f35421498fc1a Mon Sep 17 00:00:00 2001
From: Wesley Cheng <quic_wcheng@quicinc.com>
Date: Fri, 1 Mar 2024 13:35:54 -0800
Subject: [PATCH 0843/2686] usb: dwc3: core: Add DWC31 version 2.00a controller
Add revision value for identifying DWC31 version 2.00a based controllers.
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240301213554.7850-1-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/core.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 25dc0599345ed..c07edfc954f72 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -1258,6 +1258,7 @@ struct dwc3 {
#define DWC31_REVISION_170A 0x3137302a
#define DWC31_REVISION_180A 0x3138302a
#define DWC31_REVISION_190A 0x3139302a
+#define DWC31_REVISION_200A 0x3230302a
#define DWC32_REVISION_ANY 0x0
#define DWC32_REVISION_100A 0x3130302a
--
GitLab
From 0a5d0a0eeabe2ebf614715674b6e14dcd495b436 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Thu, 22 Feb 2024 09:28:19 +0100
Subject: [PATCH 0844/2686] dt-bindings: usb: analogix,anx7411: drop redundant
connector properties
The binding references usb-connector.yaml schema, which lists all
allowed properties and ends with unevaluatedProperties:false, so we can
simplify analogix,anx7411 binding by dropping everything covered by
usb-connector.yaml.
Suggested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Link: https://lore.kernel.org/r/20240222082819.10321-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../devicetree/bindings/usb/analogix,anx7411.yaml | 13 -------------
1 file changed, 13 deletions(-)
diff --git a/Documentation/devicetree/bindings/usb/analogix,anx7411.yaml b/Documentation/devicetree/bindings/usb/analogix,anx7411.yaml
index e4d893369d57b..3f5857aee3b0e 100644
--- a/Documentation/devicetree/bindings/usb/analogix,anx7411.yaml
+++ b/Documentation/devicetree/bindings/usb/analogix,anx7411.yaml
@@ -23,24 +23,11 @@ properties:
connector:
type: object
$ref: ../connector/usb-connector.yaml
- unevaluatedProperties: false
-
- description:
- Properties for usb c connector.
properties:
compatible:
const: usb-c-connector
- power-role: true
-
- data-role: true
-
- try-power-role: true
-
- required:
- - compatible
-
required:
- compatible
- reg
--
GitLab
From 2e021179286e44f376b940397a5d89394f05420b Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Thu, 29 Feb 2024 11:55:48 +0000
Subject: [PATCH 0845/2686] usb: musb: remove unused variable 'count'
The variable count is being initialized and incremented but it is never
actually referenced in any other way. The variable is redundant and can
be removed.
Cleans up clang scan build warning:
drivers/usb/musb/musb_gadget.c:1747:12: warning: variable 'count' set
but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240229115548.218713-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/musb/musb_gadget.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 051c6da7cf6d7..55df0ee413d8e 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1744,7 +1744,6 @@ static inline void musb_g_init_endpoints(struct musb *musb)
{
u8 epnum;
struct musb_hw_ep *hw_ep;
- unsigned count = 0;
/* initialize endpoint list just once */
INIT_LIST_HEAD(&(musb->g.ep_list));
@@ -1754,17 +1753,14 @@ static inline void musb_g_init_endpoints(struct musb *musb)
epnum++, hw_ep++) {
if (hw_ep->is_shared_fifo /* || !epnum */) {
init_peripheral_ep(musb, &hw_ep->ep_in, epnum, 0);
- count++;
} else {
if (hw_ep->max_packet_sz_tx) {
init_peripheral_ep(musb, &hw_ep->ep_in,
epnum, 1);
- count++;
}
if (hw_ep->max_packet_sz_rx) {
init_peripheral_ep(musb, &hw_ep->ep_out,
epnum, 0);
- count++;
}
}
}
--
GitLab
From 0842b8feb4f1e40fd83bf981e78b341b9877b4c6 Mon Sep 17 00:00:00 2001
From: Macpaul Lin <macpaul.lin@mediatek.com>
Date: Tue, 27 Feb 2024 17:02:27 +0800
Subject: [PATCH 0846/2686] dt-bindings: usb: Add binding for TI USB8020B hub
controller
The TI USB8020B is a USB 3.0 hub controller with 2 ports.
This initial version of the binding only describes USB related aspects
of the USB8020B, it does not cover the option of connecting the controller
as an i2c slave.
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Link: https://lore.kernel.org/r/20240227090228.22156-1-macpaul.lin@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../devicetree/bindings/usb/ti,usb8020b.yaml | 69 +++++++++++++++++++
1 file changed, 69 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/ti,usb8020b.yaml
diff --git a/Documentation/devicetree/bindings/usb/ti,usb8020b.yaml b/Documentation/devicetree/bindings/usb/ti,usb8020b.yaml
new file mode 100644
index 0000000000000..8ef117793e113
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/ti,usb8020b.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/ti,usb8020b.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI USB8020B USB 3.0 hub controller
+
+maintainers:
+ - Macpaul Lin <macpaul.lin@mediatek.com>
+
+allOf:
+ - $ref: usb-device.yaml#
+
+properties:
+ compatible:
+ enum:
+ - usb451,8025
+ - usb451,8027
+
+ reg: true
+
+ reset-gpios:
+ items:
+ - description: GPIO specifier for GRST# pin.
+
+ vdd-supply:
+ description:
+ VDD power supply to the hub
+
+ peer-hub:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ phandle to the peer hub on the controller.
+
+required:
+ - compatible
+ - reg
+ - peer-hub
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ usb {
+ dr_mode = "host";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* 2.0 hub on port 1 */
+ hub_2_0: hub@1 {
+ compatible = "usb451,8027";
+ reg = <1>;
+ peer-hub = <&hub_3_0>;
+ reset-gpios = <&pio 7 GPIO_ACTIVE_HIGH>;
+ vdd-supply = <&usb_hub_fixed_3v3>;
+ };
+
+ /* 3.0 hub on port 2 */
+ hub_3_0: hub@2 {
+ compatible = "usb451,8025";
+ reg = <2>;
+ peer-hub = <&hub_2_0>;
+ reset-gpios = <&pio 7 GPIO_ACTIVE_HIGH>;
+ vdd-supply = <&usb_hub_fixed_3v3>;
+ };
+ };
--
GitLab
From 966bf794e04358c68c4247302d02b587f41c5d09 Mon Sep 17 00:00:00 2001
From: Macpaul Lin <macpaul.lin@mediatek.com>
Date: Tue, 27 Feb 2024 17:02:28 +0800
Subject: [PATCH 0847/2686] usb: misc: onboard_usb_hub: Add support for TI
TUSB8020B
The TI TUSB8020B is a 2-port USB 3.0 hub. Add support for
this hub in the driver in order to bring up reset, and supply
dependencies.
Power-up: Issue a GPIO reset (GRSTz) 3ms after VDD and VDD33 stabilize.
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240227090228.22156-2-macpaul.lin@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/misc/onboard_usb_hub.c | 2 ++
drivers/usb/misc/onboard_usb_hub.h | 7 +++++++
2 files changed, 9 insertions(+)
diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c
index 0dd2b032c90b9..4f2b0d62db6f0 100644
--- a/drivers/usb/misc/onboard_usb_hub.c
+++ b/drivers/usb/misc/onboard_usb_hub.c
@@ -454,6 +454,8 @@ static const struct usb_device_id onboard_hub_id_table[] = {
{ USB_DEVICE(VENDOR_ID_REALTEK, 0x5411) }, /* RTS5411 USB 2.1 */
{ USB_DEVICE(VENDOR_ID_REALTEK, 0x0414) }, /* RTS5414 USB 3.2 */
{ USB_DEVICE(VENDOR_ID_REALTEK, 0x5414) }, /* RTS5414 USB 2.1 */
+ { USB_DEVICE(VENDOR_ID_TI, 0x8025) }, /* TI USB8020B 3.0 */
+ { USB_DEVICE(VENDOR_ID_TI, 0x8027) }, /* TI USB8020B 2.0 */
{ USB_DEVICE(VENDOR_ID_TI, 0x8140) }, /* TI USB8041 3.0 */
{ USB_DEVICE(VENDOR_ID_TI, 0x8142) }, /* TI USB8041 2.0 */
{ USB_DEVICE(VENDOR_ID_VIA, 0x0817) }, /* VIA VL817 3.1 */
diff --git a/drivers/usb/misc/onboard_usb_hub.h b/drivers/usb/misc/onboard_usb_hub.h
index f360d5cf8d8a0..b4b15d45f84d6 100644
--- a/drivers/usb/misc/onboard_usb_hub.h
+++ b/drivers/usb/misc/onboard_usb_hub.h
@@ -26,6 +26,11 @@ static const struct onboard_hub_pdata realtek_rts5411_data = {
.num_supplies = 1,
};
+static const struct onboard_hub_pdata ti_tusb8020b_data = {
+ .reset_us = 3000,
+ .num_supplies = 1,
+};
+
static const struct onboard_hub_pdata ti_tusb8041_data = {
.reset_us = 3000,
.num_supplies = 1,
@@ -62,6 +67,8 @@ static const struct of_device_id onboard_hub_match[] = {
{ .compatible = "usb424,2517", .data = µchip_usb424_data, },
{ .compatible = "usb424,2744", .data = µchip_usb5744_data, },
{ .compatible = "usb424,5744", .data = µchip_usb5744_data, },
+ { .compatible = "usb451,8025", .data = &ti_tusb8020b_data, },
+ { .compatible = "usb451,8027", .data = &ti_tusb8020b_data, },
{ .compatible = "usb451,8140", .data = &ti_tusb8041_data, },
{ .compatible = "usb451,8142", .data = &ti_tusb8041_data, },
{ .compatible = "usb4b4,6504", .data = &cypress_hx3_data, },
--
GitLab
From c44d9dab31d6a9b55731c986f2d47f35ab772669 Mon Sep 17 00:00:00 2001
From: Stephen Boyd <swboyd@chromium.org>
Date: Thu, 22 Feb 2024 16:58:20 -0800
Subject: [PATCH 0848/2686] dt-bindings: usb: Add downstream facing ports to
realtek binding
Add a graph with 4 output endpoints to this hub binding to support the
scenario where a downstream facing port is connected to a device that
isn't a connector or a USB device with a VID:PID. This will be used to
connect downstream facing ports to USB type-c switches so the USB
superspeed and high speed lanes can be put onto USB connectors.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Matthias Kaehlcke <mka@chromium.org>
Cc: linux-usb@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: Pin-yen Lin <treapking@chromium.org>
Cc: maciek swiech <drmasquatch@google.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240223005823.3074029-2-swboyd@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../bindings/usb/realtek,rts5411.yaml | 55 +++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml b/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml
index f0784d2e86dae..0874fc21f66fb 100644
--- a/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml
+++ b/Documentation/devicetree/bindings/usb/realtek,rts5411.yaml
@@ -21,6 +21,12 @@ properties:
reg: true
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
vdd-supply:
description:
phandle to the regulator that provides power to the hub.
@@ -30,6 +36,36 @@ properties:
description:
phandle to the peer hub on the controller.
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ 1st downstream facing USB port
+
+ port@2:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ 2nd downstream facing USB port
+
+ port@3:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ 3rd downstream facing USB port
+
+ port@4:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ 4th downstream facing USB port
+
+patternProperties:
+ '^.*@[1-4]$':
+ description: The hard wired USB devices
+ type: object
+ $ref: /schemas/usb/usb-device.yaml
+
required:
- peer-hub
- compatible
@@ -50,6 +86,13 @@ examples:
reg = <1>;
vdd-supply = <&pp3300_hub>;
peer-hub = <&hub_3_0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ /* USB 2.0 device on port 2 */
+ device@2 {
+ compatible = "usb123,4567";
+ reg = <2>;
+ };
};
/* 3.0 hub on port 2 */
@@ -58,5 +101,17 @@ examples:
reg = <2>;
vdd-supply = <&pp3300_hub>;
peer-hub = <&hub_2_0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ /* Type-A connector on port 4 */
+ port@4 {
+ reg = <4>;
+ endpoint {
+ remote-endpoint = <&usb_a0_ss>;
+ };
+ };
+ };
};
};
--
GitLab
From 82e82130a78b75a9ce5225df24d5a0b1b3290eb0 Mon Sep 17 00:00:00 2001
From: Stephen Boyd <swboyd@chromium.org>
Date: Thu, 22 Feb 2024 16:58:21 -0800
Subject: [PATCH 0849/2686] usb: core: Set connect_type of ports based on DT
node
When a USB hub is described in DT, such as any device that matches the
onboard-hub driver, the connect_type is set to "unknown" or
USB_PORT_CONNECT_TYPE_UNKNOWN. This makes any device plugged into that
USB port report their 'removable' device attribute as "unknown".
ChromeOS userspace would like to know if the USB device is actually
removable or not so that security policies can be applied. Improve the
connect_type attribute for ports, and in turn the removable attribute
for USB devices, by looking for child devices with a reg property or an
OF graph when the device is described in DT.
If the graph exists, endpoints that are connected to a remote node must
be something like a usb-{a,b,c}-connector compatible node, or an
intermediate node like a redriver, and not a hardwired USB device on the
board. Set the connect_type to USB_PORT_CONNECT_TYPE_HOT_PLUG in this
case because the device is going to be plugged in. Set the connect_type
to USB_PORT_CONNECT_TYPE_HARD_WIRED if there's a child node for the port
like 'device@2' for port2. Set the connect_type to USB_PORT_NOT_USED if
there isn't an endpoint or child node corresponding to the port number.
To make sure things don't change, only set the port to not used if
there are child nodes. This way an onboard hub connect_type doesn't
change until ports are added or child nodes are added to describe
hardwired devices. It's assumed that all ports or no ports will be
described for a device.
Cc: Matthias Kaehlcke <mka@chromium.org>
Cc: linux-usb@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: Pin-yen Lin <treapking@chromium.org>
Cc: maciek swiech <drmasquatch@google.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20240223005823.3074029-3-swboyd@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/of.c | 71 +++++++++++++++++++++++++++++++++++++++++
drivers/usb/core/port.c | 2 ++
include/linux/usb/of.h | 7 ++++
3 files changed, 80 insertions(+)
diff --git a/drivers/usb/core/of.c b/drivers/usb/core/of.c
index db4ccf9ce3d9b..f1a499ee482c3 100644
--- a/drivers/usb/core/of.c
+++ b/drivers/usb/core/of.c
@@ -8,6 +8,7 @@
*/
#include <linux/of.h>
+#include <linux/of_graph.h>
#include <linux/usb/of.h>
/**
@@ -75,6 +76,76 @@ bool usb_of_has_combined_node(struct usb_device *udev)
}
EXPORT_SYMBOL_GPL(usb_of_has_combined_node);
+static bool usb_of_has_devices_or_graph(const struct usb_device *hub)
+{
+ const struct device_node *np = hub->dev.of_node;
+ struct device_node *child;
+
+ if (of_graph_is_present(np))
+ return true;
+
+ for_each_child_of_node(np, child)
+ if (of_property_present(child, "reg"))
+ return true;
+
+ return false;
+}
+
+/**
+ * usb_of_get_connect_type() - get a USB hub's port connect_type
+ * @hub: hub to which port is for @port1
+ * @port1: one-based index of port
+ *
+ * Get the connect_type of @port1 based on the device node for @hub. If the
+ * port is described in the OF graph, the connect_type is "hotplug". If the
+ * @hub has a child device has with a 'reg' property equal to @port1 the
+ * connect_type is "hard-wired". If there isn't an OF graph or child node at
+ * all then the connect_type is "unknown". Otherwise, the port is considered
+ * "unused" because it isn't described at all.
+ *
+ * Return: A connect_type for @port1 based on the device node for @hub.
+ */
+enum usb_port_connect_type usb_of_get_connect_type(struct usb_device *hub, int port1)
+{
+ struct device_node *np, *child, *ep, *remote_np;
+ enum usb_port_connect_type connect_type;
+
+ /* Only set connect_type if binding has ports/hardwired devices. */
+ if (!usb_of_has_devices_or_graph(hub))
+ return USB_PORT_CONNECT_TYPE_UNKNOWN;
+
+ /* Assume port is unused if there's a graph or a child node. */
+ connect_type = USB_PORT_NOT_USED;
+
+ np = hub->dev.of_node;
+ /*
+ * Hotplug ports are connected to an available remote node, e.g.
+ * usb-a-connector compatible node, in the OF graph.
+ */
+ if (of_graph_is_present(np)) {
+ ep = of_graph_get_endpoint_by_regs(np, port1, -1);
+ if (ep) {
+ remote_np = of_graph_get_remote_port_parent(ep);
+ of_node_put(ep);
+ if (of_device_is_available(remote_np))
+ connect_type = USB_PORT_CONNECT_TYPE_HOT_PLUG;
+ of_node_put(remote_np);
+ }
+ }
+
+ /*
+ * Hard-wired ports are child nodes with a reg property corresponding
+ * to the port number, i.e. a usb device.
+ */
+ child = usb_of_get_device_node(hub, port1);
+ if (of_device_is_available(child))
+ connect_type = USB_PORT_CONNECT_TYPE_HARD_WIRED;
+ of_node_put(child);
+
+ return connect_type;
+}
+EXPORT_SYMBOL_GPL(usb_of_get_connect_type);
+
/**
* usb_of_get_interface_node() - get a USB interface node
* @udev: USB device of interface
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 84d36172b0402..e1613b02c19fd 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -11,6 +11,7 @@
#include <linux/slab.h>
#include <linux/pm_qos.h>
#include <linux/component.h>
+#include <linux/usb/of.h>
#include "hub.h"
@@ -708,6 +709,7 @@ int usb_hub_create_port_device(struct usb_hub *hub, int port1)
return -ENOMEM;
}
+ port_dev->connect_type = usb_of_get_connect_type(hdev, port1);
hub->ports[port1 - 1] = port_dev;
port_dev->portnum = port1;
set_bit(port1, hub->power_bits);
diff --git a/include/linux/usb/of.h b/include/linux/usb/of.h
index 98487fd7ab116..de42f14bd2800 100644
--- a/include/linux/usb/of.h
+++ b/include/linux/usb/of.h
@@ -6,6 +6,7 @@
#ifndef __LINUX_USB_OF_H
#define __LINUX_USB_OF_H
+#include <linux/usb.h>
#include <linux/usb/ch9.h>
#include <linux/usb/otg.h>
#include <linux/usb/phy.h>
@@ -17,6 +18,7 @@ enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0);
bool of_usb_host_tpl_support(struct device_node *np);
int of_usb_update_otg_caps(struct device_node *np,
struct usb_otg_caps *otg_caps);
+enum usb_port_connect_type usb_of_get_connect_type(struct usb_device *hub, int port1);
struct device_node *usb_of_get_device_node(struct usb_device *hub, int port1);
bool usb_of_has_combined_node(struct usb_device *udev);
struct device_node *usb_of_get_interface_node(struct usb_device *udev,
@@ -37,6 +39,11 @@ static inline int of_usb_update_otg_caps(struct device_node *np,
{
return 0;
}
+static inline enum usb_port_connect_type
+usb_of_get_connect_type(const struct usb_device *hub, int port1)
+{
+ return USB_PORT_CONNECT_TYPE_UNKNOWN;
+}
static inline struct device_node *
usb_of_get_device_node(struct usb_device *hub, int port1)
{
--
GitLab
From 6025f20f16c25d262680f6e1040d4bcdc0ecd0f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 4 Mar 2024 17:54:02 +0100
Subject: [PATCH 0850/2686] usb: gadget: fsl-udc: Replace custom log wrappers
by dev_{err,warn,dbg,vdbg}
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The custom log wrappers ERR, WARNING, DBG and VDBG don't add anything
useful that cannot easily be done with dev_err() and friends. Replace
the custom stuff by the well known functions from printk.h.
Also drop some dead code in a #if 0 block.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240304165404.807787-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/udc/fsl_udc_core.c | 115 ++++++++++++++------------
drivers/usb/gadget/udc/fsl_usb2_udc.h | 47 -----------
2 files changed, 62 insertions(+), 100 deletions(-)
diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c
index e8042c158f6dc..840d024fb75bf 100644
--- a/drivers/usb/gadget/udc/fsl_udc_core.c
+++ b/drivers/usb/gadget/udc/fsl_udc_core.c
@@ -13,7 +13,7 @@
* code from Dave Liu and Shlomi Gridish.
*/
-#undef VERBOSE
+#define pr_fmt(x) "udc: " x
#include <linux/module.h>
#include <linux/kernel.h>
@@ -183,9 +183,9 @@ __acquires(ep->udc->lock)
usb_gadget_unmap_request(&ep->udc->gadget, &req->req, ep_is_in(ep));
if (status && (status != -ESHUTDOWN))
- VDBG("complete %s req %p stat %d len %u/%u",
- ep->ep.name, &req->req, status,
- req->req.actual, req->req.length);
+ dev_vdbg(&udc->gadget.dev, "complete %s req %p stat %d len %u/%u\n",
+ ep->ep.name, &req->req, status,
+ req->req.actual, req->req.length);
ep->stopped = 1;
@@ -285,7 +285,7 @@ static int dr_controller_setup(struct fsl_udc *udc)
timeout = jiffies + FSL_UDC_RESET_TIMEOUT;
while (fsl_readl(&dr_regs->usbcmd) & USB_CMD_CTRL_RESET) {
if (time_after(jiffies, timeout)) {
- ERR("udc reset timeout!\n");
+ dev_err(&udc->gadget.dev, "udc reset timeout!\n");
return -ETIMEDOUT;
}
cpu_relax();
@@ -308,9 +308,10 @@ static int dr_controller_setup(struct fsl_udc *udc)
tmp &= USB_EP_LIST_ADDRESS_MASK;
fsl_writel(tmp, &dr_regs->endpointlistaddr);
- VDBG("vir[qh_base] is %p phy[qh_base] is 0x%8x reg is 0x%8x",
- udc->ep_qh, (int)tmp,
- fsl_readl(&dr_regs->endpointlistaddr));
+ dev_vdbg(&udc->gadget.dev,
+ "vir[qh_base] is %p phy[qh_base] is 0x%8x reg is 0x%8x\n",
+ udc->ep_qh, (int)tmp,
+ fsl_readl(&dr_regs->endpointlistaddr));
max_no_of_ep = (0x0000001F & fsl_readl(&dr_regs->dccparams));
for (ep_num = 1; ep_num < max_no_of_ep; ep_num++) {
@@ -498,7 +499,7 @@ static void struct_ep_qh_setup(struct fsl_udc *udc, unsigned char ep_num,
tmp = max_pkt_len << EP_QUEUE_HEAD_MAX_PKT_LEN_POS;
break;
default:
- VDBG("error ep type is %d", ep_type);
+ dev_vdbg(&udc->gadget.dev, "error ep type is %d\n", ep_type);
return;
}
if (zlt)
@@ -611,10 +612,10 @@ static int fsl_ep_enable(struct usb_ep *_ep,
spin_unlock_irqrestore(&udc->lock, flags);
retval = 0;
- VDBG("enabled %s (ep%d%s) maxpacket %d",ep->ep.name,
- ep->ep.desc->bEndpointAddress & 0x0f,
- (desc->bEndpointAddress & USB_DIR_IN)
- ? "in" : "out", max);
+ dev_vdbg(&udc->gadget.dev, "enabled %s (ep%d%s) maxpacket %d\n",
+ ep->ep.name, ep->ep.desc->bEndpointAddress & 0x0f,
+ (desc->bEndpointAddress & USB_DIR_IN) ? "in" : "out",
+ max);
en_done:
return retval;
}
@@ -633,7 +634,10 @@ static int fsl_ep_disable(struct usb_ep *_ep)
ep = container_of(_ep, struct fsl_ep, ep);
if (!_ep || !ep->ep.desc) {
- VDBG("%s not enabled", _ep ? ep->ep.name : NULL);
+ /*
+ * dev_vdbg(&udc->gadget.dev, "%s not enabled\n",
+ * _ep ? ep->ep.name : NULL);
+ */
return -EINVAL;
}
@@ -659,7 +663,7 @@ static int fsl_ep_disable(struct usb_ep *_ep)
ep->stopped = 1;
spin_unlock_irqrestore(&udc->lock, flags);
- VDBG("disabled %s OK", _ep->name);
+ dev_vdbg(&udc->gadget.dev, "disabled %s OK\n", _ep->name);
return 0;
}
@@ -719,8 +723,8 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
{
u32 temp, bitmask, tmp_stat;
- /* VDBG("QH addr Register 0x%8x", dr_regs->endpointlistaddr);
- VDBG("ep_qh[%d] addr is 0x%8x", i, (u32)&(ep->udc->ep_qh[i])); */
+ /* dev_vdbg(&udc->gadget.dev, "QH addr Register 0x%8x\n", dr_regs->endpointlistaddr);
+ dev_vdbg(&udc->gadget.dev, "ep_qh[%d] addr is 0x%8x\n", i, (u32)&(ep->udc->ep_qh[i])); */
bitmask = ep_is_in(ep)
? (1 << (ep_index(ep) + 16))
@@ -808,7 +812,7 @@ static struct ep_td_struct *fsl_build_dtd(struct fsl_req *req, unsigned *length,
*is_last = 0;
if ((*is_last) == 0)
- VDBG("multi-dtd request!");
+ dev_vdbg(&udc_controller->gadget.dev, "multi-dtd request!\n");
/* Fill in the transfer size; set active bit */
swap_temp = ((*length << DTD_LENGTH_BIT_POS) | DTD_STATUS_ACTIVE);
@@ -820,7 +824,7 @@ static struct ep_td_struct *fsl_build_dtd(struct fsl_req *req, unsigned *length,
mb();
- VDBG("length = %d address= 0x%x", *length, (int)*dma);
+ dev_vdbg(&udc_controller->gadget.dev, "length = %d address= 0x%x\n", *length, (int)*dma);
return dtd;
}
@@ -871,11 +875,11 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
/* catch various bogus parameters */
if (!_req || !req->req.complete || !req->req.buf
|| !list_empty(&req->queue)) {
- VDBG("%s, bad params", __func__);
+ dev_vdbg(&udc->gadget.dev, "%s, bad params\n", __func__);
return -EINVAL;
}
if (unlikely(!_ep || !ep->ep.desc)) {
- VDBG("%s, bad ep", __func__);
+ dev_vdbg(&udc->gadget.dev, "%s, bad ep\n", __func__);
return -EINVAL;
}
if (usb_endpoint_xfer_isoc(ep->ep.desc)) {
@@ -1036,8 +1040,8 @@ static int fsl_ep_set_halt(struct usb_ep *_ep, int value)
udc->ep0_dir = 0;
}
out:
- VDBG(" %s %s halt stat %d", ep->ep.name,
- value ? "set" : "clear", status);
+ dev_vdbg(&udc->gadget.dev, "%s %s halt stat %d\n", ep->ep.name,
+ value ? "set" : "clear", status);
return status;
}
@@ -1105,7 +1109,8 @@ static void fsl_ep_fifo_flush(struct usb_ep *_ep)
/* Wait until flush complete */
while (fsl_readl(&dr_regs->endptflush)) {
if (time_after(jiffies, timeout)) {
- ERR("ep flush timeout\n");
+ dev_err(&udc_controller->gadget.dev,
+ "ep flush timeout\n");
return;
}
cpu_relax();
@@ -1177,7 +1182,7 @@ static int fsl_vbus_session(struct usb_gadget *gadget, int is_active)
udc = container_of(gadget, struct fsl_udc, gadget);
spin_lock_irqsave(&udc->lock, flags);
- VDBG("VBUS %s", is_active ? "on" : "off");
+ dev_vdbg(&gadget->dev, "VBUS %s\n", is_active ? "on" : "off");
udc->vbus_active = (is_active != 0);
if (can_pullup(udc))
fsl_writel((fsl_readl(&dr_regs->usbcmd) | USB_CMD_RUN_STOP),
@@ -1543,7 +1548,7 @@ static void ep0_req_complete(struct fsl_udc *udc, struct fsl_ep *ep0,
udc->ep0_state = WAIT_FOR_SETUP;
break;
case WAIT_FOR_SETUP:
- ERR("Unexpected ep0 packets\n");
+ dev_err(&udc->gadget.dev, "Unexpected ep0 packets\n");
break;
default:
ep0stall(udc);
@@ -1612,7 +1617,7 @@ static int process_ep_req(struct fsl_udc *udc, int pipe,
errors = hc32_to_cpu(curr_td->size_ioc_sts);
if (errors & DTD_ERROR_MASK) {
if (errors & DTD_STATUS_HALTED) {
- ERR("dTD error %08x QH=%d\n", errors, pipe);
+ dev_err(&udc->gadget.dev, "dTD error %08x QH=%d\n", errors, pipe);
/* Clear the errors and Halt condition */
tmp = hc32_to_cpu(curr_qh->size_ioc_int_sts);
tmp &= ~errors;
@@ -1623,32 +1628,35 @@ static int process_ep_req(struct fsl_udc *udc, int pipe,
break;
}
if (errors & DTD_STATUS_DATA_BUFF_ERR) {
- VDBG("Transfer overflow");
+ dev_vdbg(&udc->gadget.dev, "Transfer overflow\n");
status = -EPROTO;
break;
} else if (errors & DTD_STATUS_TRANSACTION_ERR) {
- VDBG("ISO error");
+ dev_vdbg(&udc->gadget.dev, "ISO error\n");
status = -EILSEQ;
break;
} else
- ERR("Unknown error has occurred (0x%x)!\n",
+ dev_err(&udc->gadget.dev,
+ "Unknown error has occurred (0x%x)!\n",
errors);
} else if (hc32_to_cpu(curr_td->size_ioc_sts)
& DTD_STATUS_ACTIVE) {
- VDBG("Request not complete");
+ dev_vdbg(&udc->gadget.dev, "Request not complete\n");
status = REQ_UNCOMPLETE;
return status;
} else if (remaining_length) {
if (direction) {
- VDBG("Transmit dTD remaining length not zero");
+ dev_vdbg(&udc->gadget.dev,
+ "Transmit dTD remaining length not zero\n");
status = -EPROTO;
break;
} else {
break;
}
} else {
- VDBG("dTD transmitted successful");
+ dev_vdbg(&udc->gadget.dev,
+ "dTD transmitted successful\n");
}
if (j != curr_req->dtd_count - 1)
@@ -1691,7 +1699,7 @@ static void dtd_complete_irq(struct fsl_udc *udc)
/* If the ep is configured */
if (!curr_ep->ep.name) {
- WARNING("Invalid EP?");
+ dev_warn(&udc->gadget.dev, "Invalid EP?\n");
continue;
}
@@ -1700,8 +1708,9 @@ static void dtd_complete_irq(struct fsl_udc *udc)
queue) {
status = process_ep_req(udc, i, curr_req);
- VDBG("status of process_ep_req= %d, ep = %d",
- status, ep_num);
+ dev_vdbg(&udc->gadget.dev,
+ "status of process_ep_req= %d, ep = %d\n",
+ status, ep_num);
if (status == REQ_UNCOMPLETE)
break;
/* write back status to req */
@@ -1820,7 +1829,7 @@ static void reset_irq(struct fsl_udc *udc)
while (fsl_readl(&dr_regs->endpointprime)) {
/* Wait until all endptprime bits cleared */
if (time_after(jiffies, timeout)) {
- ERR("Timeout for reset\n");
+ dev_err(&udc->gadget.dev, "Timeout for reset\n");
break;
}
cpu_relax();
@@ -1830,7 +1839,7 @@ static void reset_irq(struct fsl_udc *udc)
fsl_writel(0xffffffff, &dr_regs->endptflush);
if (fsl_readl(&dr_regs->portsc1) & PORTSCX_PORT_RESET) {
- VDBG("Bus reset");
+ dev_vdbg(&udc->gadget.dev, "Bus reset\n");
/* Bus is reseting */
udc->bus_reset = 1;
/* Reset all the queues, include XD, dTD, EP queue
@@ -1838,7 +1847,7 @@ static void reset_irq(struct fsl_udc *udc)
reset_queues(udc, true);
udc->usb_state = USB_STATE_DEFAULT;
} else {
- VDBG("Controller reset");
+ dev_vdbg(&udc->gadget.dev, "Controller reset\n");
/* initialize usb hw reg except for regs for EP, not
* touch usbintr reg */
dr_controller_setup(udc);
@@ -1872,7 +1881,7 @@ static irqreturn_t fsl_udc_irq(int irq, void *_udc)
/* Clear notification bits */
fsl_writel(irq_src, &dr_regs->usbsts);
- /* VDBG("irq_src [0x%8x]", irq_src); */
+ /* dev_vdbg(&udc->gadget.dev, "irq_src [0x%8x]", irq_src); */
/* Need to resume? */
if (udc->usb_state == USB_STATE_SUSPENDED)
@@ -1881,7 +1890,7 @@ static irqreturn_t fsl_udc_irq(int irq, void *_udc)
/* USB Interrupt */
if (irq_src & USB_STS_INT) {
- VDBG("Packet int");
+ dev_vdbg(&udc->gadget.dev, "Packet int\n");
/* Setup package, we only support ep0 as control ep */
if (fsl_readl(&dr_regs->endptsetupstat) & EP_SETUP_STATUS_EP0) {
tripwire_handler(udc, 0,
@@ -1910,7 +1919,7 @@ static irqreturn_t fsl_udc_irq(int irq, void *_udc)
/* Reset Received */
if (irq_src & USB_STS_RESET) {
- VDBG("reset int");
+ dev_vdbg(&udc->gadget.dev, "reset int\n");
reset_irq(udc);
status = IRQ_HANDLED;
}
@@ -1922,7 +1931,7 @@ static irqreturn_t fsl_udc_irq(int irq, void *_udc)
}
if (irq_src & (USB_STS_ERR | USB_STS_SYS_ERR)) {
- VDBG("Error IRQ %x", irq_src);
+ dev_vdbg(&udc->gadget.dev, "Error IRQ %x\n", irq_src);
}
spin_unlock_irqrestore(&udc->lock, flags);
@@ -1958,7 +1967,7 @@ static int fsl_udc_start(struct usb_gadget *g,
udc_controller->transceiver->otg,
&udc_controller->gadget);
if (retval < 0) {
- ERR("can't bind to transceiver\n");
+ dev_err(&udc_controller->gadget.dev, "can't bind to transceiver\n");
udc_controller->driver = NULL;
return retval;
}
@@ -2243,7 +2252,7 @@ static int struct_udc_setup(struct fsl_udc *udc,
udc->eps = kcalloc(udc->max_ep, sizeof(struct fsl_ep), GFP_KERNEL);
if (!udc->eps) {
- ERR("kmalloc udc endpoint status failed\n");
+ dev_err(&udc->gadget.dev, "kmalloc udc endpoint status failed\n");
goto eps_alloc_failed;
}
@@ -2258,7 +2267,7 @@ static int struct_udc_setup(struct fsl_udc *udc,
udc->ep_qh = dma_alloc_coherent(&pdev->dev, size,
&udc->ep_qh_dma, GFP_KERNEL);
if (!udc->ep_qh) {
- ERR("malloc QHs for udc failed\n");
+ dev_err(&udc->gadget.dev, "malloc QHs for udc failed\n");
goto ep_queue_alloc_failed;
}
@@ -2269,14 +2278,14 @@ static int struct_udc_setup(struct fsl_udc *udc,
udc->status_req = container_of(fsl_alloc_request(NULL, GFP_KERNEL),
struct fsl_req, req);
if (!udc->status_req) {
- ERR("kzalloc for udc status request failed\n");
+ dev_err(&udc->gadget.dev, "kzalloc for udc status request failed\n");
goto udc_status_alloc_failed;
}
/* allocate a small amount of memory to get valid address */
udc->status_req->req.buf = kmalloc(8, GFP_KERNEL);
if (!udc->status_req->req.buf) {
- ERR("kzalloc for udc request buffer failed\n");
+ dev_err(&udc->gadget.dev, "kzalloc for udc request buffer failed\n");
goto udc_req_buf_alloc_failed;
}
@@ -2373,7 +2382,7 @@ static int fsl_udc_probe(struct platform_device *pdev)
if (pdata->operating_mode == FSL_USB2_DR_OTG) {
udc_controller->transceiver = usb_get_phy(USB_PHY_TYPE_USB2);
if (IS_ERR_OR_NULL(udc_controller->transceiver)) {
- ERR("Can't find OTG driver!\n");
+ dev_err(&udc_controller->gadget.dev, "Can't find OTG driver!\n");
ret = -ENODEV;
goto err_kfree;
}
@@ -2389,7 +2398,7 @@ static int fsl_udc_probe(struct platform_device *pdev)
if (pdata->operating_mode == FSL_USB2_DR_DEVICE) {
if (!request_mem_region(res->start, resource_size(res),
driver_name)) {
- ERR("request mem region for %s failed\n", pdev->name);
+ dev_err(&udc_controller->gadget.dev, "request mem region for %s failed\n", pdev->name);
ret = -EBUSY;
goto err_kfree;
}
@@ -2420,7 +2429,7 @@ static int fsl_udc_probe(struct platform_device *pdev)
/* Read Device Controller Capability Parameters register */
dccparams = fsl_readl(&dr_regs->dccparams);
if (!(dccparams & DCCPARAMS_DC)) {
- ERR("This SOC doesn't support device role\n");
+ dev_err(&udc_controller->gadget.dev, "This SOC doesn't support device role\n");
ret = -ENODEV;
goto err_exit;
}
@@ -2438,14 +2447,14 @@ static int fsl_udc_probe(struct platform_device *pdev)
ret = request_irq(udc_controller->irq, fsl_udc_irq, IRQF_SHARED,
driver_name, udc_controller);
if (ret != 0) {
- ERR("cannot request irq %d err %d\n",
+ dev_err(&udc_controller->gadget.dev, "cannot request irq %d err %d\n",
udc_controller->irq, ret);
goto err_exit;
}
/* Initialize the udc structure including QH member and other member */
if (struct_udc_setup(udc_controller, pdev)) {
- ERR("Can't initialize udc data structure\n");
+ dev_err(&udc_controller->gadget.dev, "Can't initialize udc data structure\n");
ret = -ENOMEM;
goto err_free_irq;
}
diff --git a/drivers/usb/gadget/udc/fsl_usb2_udc.h b/drivers/usb/gadget/udc/fsl_usb2_udc.h
index 2efc5a930b48e..cc1756f3e89d1 100644
--- a/drivers/usb/gadget/udc/fsl_usb2_udc.h
+++ b/drivers/usb/gadget/udc/fsl_usb2_udc.h
@@ -508,53 +508,6 @@ struct fsl_udc {
/*-------------------------------------------------------------------------*/
-#ifdef DEBUG
-#define DBG(fmt, args...) printk(KERN_DEBUG "[%s] " fmt "\n", \
- __func__, ## args)
-#else
-#define DBG(fmt, args...) do{}while(0)
-#endif
-
-#if 0
-static void dump_msg(const char *label, const u8 * buf, unsigned int length)
-{
- unsigned int start, num, i;
- char line[52], *p;
-
- if (length >= 512)
- return;
- DBG("%s, length %u:\n", label, length);
- start = 0;
- while (length > 0) {
- num = min(length, 16u);
- p = line;
- for (i = 0; i < num; ++i) {
- if (i == 8)
- *p++ = ' ';
- sprintf(p, " %02x", buf[i]);
- p += 3;
- }
- *p = 0;
- printk(KERN_DEBUG "%6x: %s\n", start, line);
- buf += num;
- start += num;
- length -= num;
- }
-}
-#endif
-
-#ifdef VERBOSE
-#define VDBG DBG
-#else
-#define VDBG(stuff...) do{}while(0)
-#endif
-
-#define ERR(stuff...) pr_err("udc: " stuff)
-#define WARNING(stuff...) pr_warn("udc: " stuff)
-#define INFO(stuff...) pr_info("udc: " stuff)
-
-/*-------------------------------------------------------------------------*/
-
/* ### Add board specific defines here
*/
--
GitLab
From 0be4e1d4df32cfb9222bdea67a9ae9665af57a9c Mon Sep 17 00:00:00 2001
From: Marco Felsch <m.felsch@pengutronix.de>
Date: Thu, 22 Feb 2024 22:09:00 +0100
Subject: [PATCH 0851/2686] dt-bindings: usb: typec-tcpci: add tcpci fallback
binding
The NXP PTN5110 [1] is an TCPCI [2] compatible chip, so add the fallback
binding.
[1] https://www.nxp.com/docs/en/data-sheet/PTN5110.pdf
[2] https://www.usb.org/sites/default/files/documents/usb-port_controller_specification_rev2.0_v1.0_0.pdf
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240222210903.208901-2-m.felsch@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml b/Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml
index eaedb4cc6b6cc..65a8632b4d9ed 100644
--- a/Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml
+++ b/Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml
@@ -11,7 +11,9 @@ maintainers:
properties:
compatible:
- const: nxp,ptn5110
+ items:
+ - const: nxp,ptn5110
+ - const: tcpci
reg:
maxItems: 1
@@ -41,7 +43,7 @@ examples:
#size-cells = <0>;
tcpci@50 {
- compatible = "nxp,ptn5110";
+ compatible = "nxp,ptn5110", "tcpci";
reg = <0x50>;
interrupt-parent = <&gpio3>;
interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
--
GitLab
From 8774ea7a553e2aec323170d49365b59af0a2b7e0 Mon Sep 17 00:00:00 2001
From: Marco Felsch <m.felsch@pengutronix.de>
Date: Thu, 22 Feb 2024 22:09:01 +0100
Subject: [PATCH 0852/2686] usb: typec: tcpci: add generic tcpci fallback
compatible
The driver already support the tcpci binding for the i2c_device_id so
add the support for the of_device_id too.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240222210903.208901-3-m.felsch@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpci.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index 40c7b6224c74b..c962014bba4e8 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -911,6 +911,7 @@ MODULE_DEVICE_TABLE(i2c, tcpci_id);
#ifdef CONFIG_OF
static const struct of_device_id tcpci_of_match[] = {
{ .compatible = "nxp,ptn5110", },
+ { .compatible = "tcpci", },
{},
};
MODULE_DEVICE_TABLE(of, tcpci_of_match);
--
GitLab
From ac92ea6b656374abab230f9f38fd3f0ab6cd0d61 Mon Sep 17 00:00:00 2001
From: Marco Felsch <m.felsch@pengutronix.de>
Date: Thu, 22 Feb 2024 22:09:02 +0100
Subject: [PATCH 0853/2686] usb: typec: tcpm: add support to set tcpc connector
orientatition
This adds the support to set the connector orientation value
accordingly. This is part of the optional CONFIG_STANDARD_OUTPUT
register 0x18, specified within the USB port controller spsicification
rev. 2.0 [1].
[1] https://www.usb.org/sites/default/files/documents/usb-port_controller_specification_rev2.0_v1.0_0.pdf
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240222210903.208901-4-m.felsch@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpm.c | 6 ++++++
include/linux/usb/tcpm.h | 2 ++
2 files changed, 8 insertions(+)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index b6d7131228f98..3d505614bff1e 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -1167,6 +1167,12 @@ static int tcpm_set_roles(struct tcpm_port *port, bool attached,
if (ret < 0)
return ret;
+ if (port->tcpc->set_orientation) {
+ ret = port->tcpc->set_orientation(port->tcpc, orientation);
+ if (ret < 0)
+ return ret;
+ }
+
port->pwr_role = role;
port->data_role = data;
typec_set_data_role(port->typec_port, data);
diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
index 6671427f7eebb..061da9546a813 100644
--- a/include/linux/usb/tcpm.h
+++ b/include/linux/usb/tcpm.h
@@ -144,6 +144,8 @@ struct tcpc_dev {
enum typec_cc_status *cc2);
int (*set_polarity)(struct tcpc_dev *dev,
enum typec_cc_polarity polarity);
+ int (*set_orientation)(struct tcpc_dev *dev,
+ enum typec_orientation orientation);
int (*set_vconn)(struct tcpc_dev *dev, bool on);
int (*set_vbus)(struct tcpc_dev *dev, bool on, bool charge);
int (*set_current_limit)(struct tcpc_dev *dev, u32 max_ma, u32 mv);
--
GitLab
From 1b4d8c77fd53408a6812efcd151f434f93dc93ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Fri, 23 Feb 2024 18:33:15 +0100
Subject: [PATCH 0854/2686] usb: gadget: fsl: Add of device table to enable
module autoloading
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
With this table added, the fsl_usb2_udc module is automatically loaded
by udev in the presence of a matching device.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/d1bf63f3ffe58bbd113467b56443e37f96435492.1708709120.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/udc/fsl_udc_core.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c
index 840d024fb75bf..6f005cee917cb 100644
--- a/drivers/usb/gadget/udc/fsl_udc_core.c
+++ b/drivers/usb/gadget/udc/fsl_udc_core.c
@@ -2675,6 +2675,15 @@ static const struct platform_device_id fsl_udc_devtype[] = {
}
};
MODULE_DEVICE_TABLE(platform, fsl_udc_devtype);
+
+static const struct of_device_id fsl_udc_dt_ids[] = {
+ { .compatible = "fsl-usb2-dr" },
+ { .compatible = "fsl-usb2-mph" },
+ { .compatible = "fsl,mpc5121-usb2-dr" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, fsl_udc_dt_ids);
+
static struct platform_driver udc_driver = {
.probe = fsl_udc_probe,
.remove_new = fsl_udc_remove,
@@ -2684,6 +2693,7 @@ static struct platform_driver udc_driver = {
.resume = fsl_udc_resume,
.driver = {
.name = driver_name,
+ .of_match_table = fsl_udc_dt_ids,
/* udc suspend/resume called from OTG driver */
.suspend = fsl_udc_otg_suspend,
.resume = fsl_udc_otg_resume,
--
GitLab
From 87850f6cc20911e35eafcbc1d56b0d649ae9162d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Fri, 23 Feb 2024 18:33:16 +0100
Subject: [PATCH 0855/2686] usb: gadget: fsl: Increase size of name buffer for
endpoints
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This fixes a W=1 warning about sprintf writing up to 16 bytes into a
buffer of size 14. There is no practical relevance because there are not
more than 32 endpoints.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/6754df25c56aae04f8110594fad2cd2452b1862a.1708709120.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/udc/fsl_udc_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c
index 6f005cee917cb..e82d03224f940 100644
--- a/drivers/usb/gadget/udc/fsl_udc_core.c
+++ b/drivers/usb/gadget/udc/fsl_udc_core.c
@@ -2495,7 +2495,7 @@ static int fsl_udc_probe(struct platform_device *pdev)
/* setup the udc->eps[] for non-control endpoints and link
* to gadget.ep_list */
for (i = 1; i < (int)(udc_controller->max_ep / 2); i++) {
- char name[14];
+ char name[16];
sprintf(name, "ep%dout", i);
struct_ep_setup(udc_controller, i * 2, name, 1);
--
GitLab
From ec94233cb93c7525198b68c3be003472f8aaca0e Mon Sep 17 00:00:00 2001
From: Javier Carrasco <javier.carrasco@wolfvision.net>
Date: Tue, 5 Mar 2024 06:55:01 +0100
Subject: [PATCH 0856/2686] usb: misc: onboard_hub: use pointer consistently in
the probe function
Commit 14485de431b0 ("usb: Use device_get_match_data()") overlooked the
already existing pointer to pdev->dev 'dev'.
Use the existing pointer 'dev' in device_get_match_data() to keep code
consistency.
Acked-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Javier Carrasco <javier.carrasco@wolfvision.net>
Link: https://lore.kernel.org/r/20240305-onboard_xvf3500-v7-1-ad3fb50e593b@wolfvision.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/misc/onboard_usb_hub.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c
index 4f2b0d62db6f0..c6101ed2d9d49 100644
--- a/drivers/usb/misc/onboard_usb_hub.c
+++ b/drivers/usb/misc/onboard_usb_hub.c
@@ -260,7 +260,7 @@ static int onboard_hub_probe(struct platform_device *pdev)
if (!hub)
return -ENOMEM;
- hub->pdata = device_get_match_data(&pdev->dev);
+ hub->pdata = device_get_match_data(dev);
if (!hub->pdata)
return -EINVAL;
--
GitLab
From 7bfb915a597a301abb892f620fe5c283a9fdbd77 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Sun, 3 Mar 2024 16:08:07 +0100
Subject: [PATCH 0857/2686] serial: core: only stop transmit when HW fifo is
empty
If the circular buffer is empty, it just means we fit all characters to
send into the HW fifo, but not that the hardware finished transmitting
them.
So if we immediately call stop_tx() after that, this may abort any
pending characters in the HW fifo, and cause dropped characters on the
console.
Fix this by only stopping tx when the tx HW fifo is actually empty.
Fixes: 8275b48b2780 ("tty: serial: introduce transmit helpers")
Cc: stable@vger.kernel.org
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Link: https://lore.kernel.org/r/20240303150807.68117-1-jonas.gorski@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/serial_core.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 55b1f3ba48ac1..bb0f2d4ac62f6 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -786,7 +786,8 @@ enum UART_TX_FLAGS {
if (pending < WAKEUP_CHARS) { \
uart_write_wakeup(__port); \
\
- if (!((flags) & UART_TX_NOSTOP) && pending == 0) \
+ if (!((flags) & UART_TX_NOSTOP) && pending == 0 && \
+ __port->ops->tx_empty(__port)) \
__port->ops->stop_tx(__port); \
} \
\
--
GitLab
From 6deab51402b129abea0e2f0a5e2ce27c06918973 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 4 Mar 2024 11:52:44 +0100
Subject: [PATCH 0858/2686] serial: sh-sci: Call sci_serial_{in,out}() directly
Unlike the 8250 serial driver complex, the sh-sci driver uses only a
single pair of functions to read and write serial port registers.
Hence there is no need to incur the overhead of calling them through
indirection, like the serial_port_{in,out}() wrappers do.
Replace all calls to these wrappers by direct calls to
sci_serial_{in,out}().
Remove the setup of the uart_port.serial_{in,out}() callbacks. After
removal of all calls to serial_port_{in,out}() in the sh-sci driver, the
only remaining user is uart_xchar_out(), which the sh-sci driver does
not use.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/51e79d601cb9d9d63822d3773d3cf05a96868612.1709548811.git.geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/sh-sci.c | 245 ++++++++++++++++++------------------
1 file changed, 119 insertions(+), 126 deletions(-)
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index a85e7b9a2e492..e512eaa57ed56 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -576,13 +576,13 @@ static void sci_start_tx(struct uart_port *port)
#ifdef CONFIG_SERIAL_SH_SCI_DMA
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
- u16 new, scr = serial_port_in(port, SCSCR);
+ u16 new, scr = sci_serial_in(port, SCSCR);
if (s->chan_tx)
new = scr | SCSCR_TDRQE;
else
new = scr & ~SCSCR_TDRQE;
if (new != scr)
- serial_port_out(port, SCSCR, new);
+ sci_serial_out(port, SCSCR, new);
}
if (s->chan_tx && !uart_circ_empty(&s->port.state->xmit) &&
@@ -599,7 +599,7 @@ static void sci_start_tx(struct uart_port *port)
if (!s->chan_tx || s->cfg->regtype == SCIx_RZ_SCIFA_REGTYPE ||
port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
/* Set TIE (Transmit Interrupt Enable) bit in SCSCR */
- ctrl = serial_port_in(port, SCSCR);
+ ctrl = sci_serial_in(port, SCSCR);
/*
* For SCI, TE (transmit enable) must be set after setting TIE
@@ -609,7 +609,7 @@ static void sci_start_tx(struct uart_port *port)
if (port->type == PORT_SCI)
ctrl |= SCSCR_TE;
- serial_port_out(port, SCSCR, ctrl | SCSCR_TIE);
+ sci_serial_out(port, SCSCR, ctrl | SCSCR_TIE);
}
}
@@ -618,14 +618,14 @@ static void sci_stop_tx(struct uart_port *port)
unsigned short ctrl;
/* Clear TIE (Transmit Interrupt Enable) bit in SCSCR */
- ctrl = serial_port_in(port, SCSCR);
+ ctrl = sci_serial_in(port, SCSCR);
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
ctrl &= ~SCSCR_TDRQE;
ctrl &= ~SCSCR_TIE;
- serial_port_out(port, SCSCR, ctrl);
+ sci_serial_out(port, SCSCR, ctrl);
#ifdef CONFIG_SERIAL_SH_SCI_DMA
if (to_sci_port(port)->chan_tx &&
@@ -640,41 +640,40 @@ static void sci_start_rx(struct uart_port *port)
{
unsigned short ctrl;
- ctrl = serial_port_in(port, SCSCR) | port_rx_irq_mask(port);
+ ctrl = sci_serial_in(port, SCSCR) | port_rx_irq_mask(port);
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
ctrl &= ~SCSCR_RDRQE;
- serial_port_out(port, SCSCR, ctrl);
+ sci_serial_out(port, SCSCR, ctrl);
}
static void sci_stop_rx(struct uart_port *port)
{
unsigned short ctrl;
- ctrl = serial_port_in(port, SCSCR);
+ ctrl = sci_serial_in(port, SCSCR);
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
ctrl &= ~SCSCR_RDRQE;
ctrl &= ~port_rx_irq_mask(port);
- serial_port_out(port, SCSCR, ctrl);
+ sci_serial_out(port, SCSCR, ctrl);
}
static void sci_clear_SCxSR(struct uart_port *port, unsigned int mask)
{
if (port->type == PORT_SCI) {
/* Just store the mask */
- serial_port_out(port, SCxSR, mask);
+ sci_serial_out(port, SCxSR, mask);
} else if (to_sci_port(port)->params->overrun_mask == SCIFA_ORER) {
/* SCIFA/SCIFB and SCIF on SH7705/SH7720/SH7721 */
/* Only clear the status bits we want to clear */
- serial_port_out(port, SCxSR,
- serial_port_in(port, SCxSR) & mask);
+ sci_serial_out(port, SCxSR, sci_serial_in(port, SCxSR) & mask);
} else {
/* Store the mask, clear parity/framing errors */
- serial_port_out(port, SCxSR, mask & ~(SCIF_FERC | SCIF_PERC));
+ sci_serial_out(port, SCxSR, mask & ~(SCIF_FERC | SCIF_PERC));
}
}
@@ -688,7 +687,7 @@ static int sci_poll_get_char(struct uart_port *port)
int c;
do {
- status = serial_port_in(port, SCxSR);
+ status = sci_serial_in(port, SCxSR);
if (status & SCxSR_ERRORS(port)) {
sci_clear_SCxSR(port, SCxSR_ERROR_CLEAR(port));
continue;
@@ -699,10 +698,10 @@ static int sci_poll_get_char(struct uart_port *port)
if (!(status & SCxSR_RDxF(port)))
return NO_POLL_CHAR;
- c = serial_port_in(port, SCxRDR);
+ c = sci_serial_in(port, SCxRDR);
/* Dummy read */
- serial_port_in(port, SCxSR);
+ sci_serial_in(port, SCxSR);
sci_clear_SCxSR(port, SCxSR_RDxF_CLEAR(port));
return c;
@@ -714,10 +713,10 @@ static void sci_poll_put_char(struct uart_port *port, unsigned char c)
unsigned short status;
do {
- status = serial_port_in(port, SCxSR);
+ status = sci_serial_in(port, SCxSR);
} while (!(status & SCxSR_TDxE(port)));
- serial_port_out(port, SCxTDR, c);
+ sci_serial_out(port, SCxTDR, c);
sci_clear_SCxSR(port, SCxSR_TDxE_CLEAR(port) & ~SCxSR_TEND(port));
}
#endif /* CONFIG_CONSOLE_POLL || CONFIG_SERIAL_SH_SCI_CONSOLE ||
@@ -736,8 +735,8 @@ static void sci_init_pins(struct uart_port *port, unsigned int cflag)
}
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
- u16 data = serial_port_in(port, SCPDR);
- u16 ctrl = serial_port_in(port, SCPCR);
+ u16 data = sci_serial_in(port, SCPDR);
+ u16 ctrl = sci_serial_in(port, SCPCR);
/* Enable RXD and TXD pin functions */
ctrl &= ~(SCPCR_RXDC | SCPCR_TXDC);
@@ -756,10 +755,10 @@ static void sci_init_pins(struct uart_port *port, unsigned int cflag)
/* Enable CTS# pin function */
ctrl &= ~SCPCR_CTSC;
}
- serial_port_out(port, SCPDR, data);
- serial_port_out(port, SCPCR, ctrl);
+ sci_serial_out(port, SCPDR, data);
+ sci_serial_out(port, SCPCR, ctrl);
} else if (sci_getreg(port, SCSPTR)->size) {
- u16 status = serial_port_in(port, SCSPTR);
+ u16 status = sci_serial_in(port, SCSPTR);
/* RTS# is always output; and active low, unless autorts */
status |= SCSPTR_RTSIO;
@@ -769,7 +768,7 @@ static void sci_init_pins(struct uart_port *port, unsigned int cflag)
status &= ~SCSPTR_RTSDT;
/* CTS# and SCK are inputs */
status &= ~(SCSPTR_CTSIO | SCSPTR_SCKIO);
- serial_port_out(port, SCSPTR, status);
+ sci_serial_out(port, SCSPTR, status);
}
}
@@ -781,13 +780,13 @@ static int sci_txfill(struct uart_port *port)
reg = sci_getreg(port, SCTFDR);
if (reg->size)
- return serial_port_in(port, SCTFDR) & fifo_mask;
+ return sci_serial_in(port, SCTFDR) & fifo_mask;
reg = sci_getreg(port, SCFDR);
if (reg->size)
- return serial_port_in(port, SCFDR) >> 8;
+ return sci_serial_in(port, SCFDR) >> 8;
- return !(serial_port_in(port, SCxSR) & SCI_TDRE);
+ return !(sci_serial_in(port, SCxSR) & SCI_TDRE);
}
static int sci_txroom(struct uart_port *port)
@@ -803,13 +802,13 @@ static int sci_rxfill(struct uart_port *port)
reg = sci_getreg(port, SCRFDR);
if (reg->size)
- return serial_port_in(port, SCRFDR) & fifo_mask;
+ return sci_serial_in(port, SCRFDR) & fifo_mask;
reg = sci_getreg(port, SCFDR);
if (reg->size)
- return serial_port_in(port, SCFDR) & fifo_mask;
+ return sci_serial_in(port, SCFDR) & fifo_mask;
- return (serial_port_in(port, SCxSR) & SCxSR_RDxF(port)) != 0;
+ return (sci_serial_in(port, SCxSR) & SCxSR_RDxF(port)) != 0;
}
/* ********************************************************************** *
@@ -824,14 +823,14 @@ static void sci_transmit_chars(struct uart_port *port)
unsigned short ctrl;
int count;
- status = serial_port_in(port, SCxSR);
+ status = sci_serial_in(port, SCxSR);
if (!(status & SCxSR_TDxE(port))) {
- ctrl = serial_port_in(port, SCSCR);
+ ctrl = sci_serial_in(port, SCSCR);
if (uart_circ_empty(xmit))
ctrl &= ~SCSCR_TIE;
else
ctrl |= SCSCR_TIE;
- serial_port_out(port, SCSCR, ctrl);
+ sci_serial_out(port, SCSCR, ctrl);
return;
}
@@ -847,15 +846,15 @@ static void sci_transmit_chars(struct uart_port *port)
c = xmit->buf[xmit->tail];
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
} else if (port->type == PORT_SCI && uart_circ_empty(xmit)) {
- ctrl = serial_port_in(port, SCSCR);
+ ctrl = sci_serial_in(port, SCSCR);
ctrl &= ~SCSCR_TE;
- serial_port_out(port, SCSCR, ctrl);
+ sci_serial_out(port, SCSCR, ctrl);
return;
} else {
break;
}
- serial_port_out(port, SCxTDR, c);
+ sci_serial_out(port, SCxTDR, c);
port->icount.tx++;
} while (--count > 0);
@@ -866,10 +865,10 @@ static void sci_transmit_chars(struct uart_port *port)
uart_write_wakeup(port);
if (uart_circ_empty(xmit)) {
if (port->type == PORT_SCI) {
- ctrl = serial_port_in(port, SCSCR);
+ ctrl = sci_serial_in(port, SCSCR);
ctrl &= ~SCSCR_TIE;
ctrl |= SCSCR_TEIE;
- serial_port_out(port, SCSCR, ctrl);
+ sci_serial_out(port, SCSCR, ctrl);
}
sci_stop_tx(port);
@@ -883,7 +882,7 @@ static void sci_receive_chars(struct uart_port *port)
unsigned short status;
unsigned char flag;
- status = serial_port_in(port, SCxSR);
+ status = sci_serial_in(port, SCxSR);
if (!(status & SCxSR_RDxF(port)))
return;
@@ -896,7 +895,7 @@ static void sci_receive_chars(struct uart_port *port)
break;
if (port->type == PORT_SCI) {
- char c = serial_port_in(port, SCxRDR);
+ char c = sci_serial_in(port, SCxRDR);
if (uart_handle_sysrq_char(port, c))
count = 0;
else
@@ -907,11 +906,11 @@ static void sci_receive_chars(struct uart_port *port)
if (port->type == PORT_SCIF ||
port->type == PORT_HSCIF) {
- status = serial_port_in(port, SCxSR);
- c = serial_port_in(port, SCxRDR);
+ status = sci_serial_in(port, SCxSR);
+ c = sci_serial_in(port, SCxRDR);
} else {
- c = serial_port_in(port, SCxRDR);
- status = serial_port_in(port, SCxSR);
+ c = sci_serial_in(port, SCxRDR);
+ status = sci_serial_in(port, SCxSR);
}
if (uart_handle_sysrq_char(port, c)) {
count--; i--;
@@ -932,7 +931,7 @@ static void sci_receive_chars(struct uart_port *port)
}
}
- serial_port_in(port, SCxSR); /* dummy read */
+ sci_serial_in(port, SCxSR); /* dummy read */
sci_clear_SCxSR(port, SCxSR_RDxF_CLEAR(port));
copied += count;
@@ -944,8 +943,8 @@ static void sci_receive_chars(struct uart_port *port)
tty_flip_buffer_push(tport);
} else {
/* TTY buffers full; read from RX reg to prevent lockup */
- serial_port_in(port, SCxRDR);
- serial_port_in(port, SCxSR); /* dummy read */
+ sci_serial_in(port, SCxRDR);
+ sci_serial_in(port, SCxSR); /* dummy read */
sci_clear_SCxSR(port, SCxSR_RDxF_CLEAR(port));
}
}
@@ -953,7 +952,7 @@ static void sci_receive_chars(struct uart_port *port)
static int sci_handle_errors(struct uart_port *port)
{
int copied = 0;
- unsigned short status = serial_port_in(port, SCxSR);
+ unsigned short status = sci_serial_in(port, SCxSR);
struct tty_port *tport = &port->state->port;
struct sci_port *s = to_sci_port(port);
@@ -1000,10 +999,10 @@ static int sci_handle_fifo_overrun(struct uart_port *port)
if (!reg->size)
return 0;
- status = serial_port_in(port, s->params->overrun_reg);
+ status = sci_serial_in(port, s->params->overrun_reg);
if (status & s->params->overrun_mask) {
status &= ~s->params->overrun_mask;
- serial_port_out(port, s->params->overrun_reg, status);
+ sci_serial_out(port, s->params->overrun_reg, status);
port->icount.overrun++;
@@ -1018,7 +1017,7 @@ static int sci_handle_fifo_overrun(struct uart_port *port)
static int sci_handle_breaks(struct uart_port *port)
{
int copied = 0;
- unsigned short status = serial_port_in(port, SCxSR);
+ unsigned short status = sci_serial_in(port, SCxSR);
struct tty_port *tport = &port->state->port;
if (uart_handle_break(port))
@@ -1051,7 +1050,7 @@ static int scif_set_rtrg(struct uart_port *port, int rx_trig)
/* HSCIF can be set to an arbitrary level. */
if (sci_getreg(port, HSRTRGR)->size) {
- serial_port_out(port, HSRTRGR, rx_trig);
+ sci_serial_out(port, HSRTRGR, rx_trig);
return rx_trig;
}
@@ -1092,9 +1091,9 @@ static int scif_set_rtrg(struct uart_port *port, int rx_trig)
return 1;
}
- serial_port_out(port, SCFCR,
- (serial_port_in(port, SCFCR) &
- ~(SCFCR_RTRG1 | SCFCR_RTRG0)) | bits);
+ sci_serial_out(port, SCFCR,
+ (sci_serial_in(port, SCFCR) &
+ ~(SCFCR_RTRG1 | SCFCR_RTRG0)) | bits);
return rx_trig;
}
@@ -1102,9 +1101,9 @@ static int scif_set_rtrg(struct uart_port *port, int rx_trig)
static int scif_rtrg_enabled(struct uart_port *port)
{
if (sci_getreg(port, HSRTRGR)->size)
- return serial_port_in(port, HSRTRGR) != 0;
+ return sci_serial_in(port, HSRTRGR) != 0;
else
- return (serial_port_in(port, SCFCR) &
+ return (sci_serial_in(port, SCFCR) &
(SCFCR_RTRG0 | SCFCR_RTRG1)) != 0;
}
@@ -1219,8 +1218,8 @@ static void sci_dma_tx_complete(void *arg)
s->cookie_tx = -EINVAL;
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB ||
s->cfg->regtype == SCIx_RZ_SCIFA_REGTYPE) {
- u16 ctrl = serial_port_in(port, SCSCR);
- serial_port_out(port, SCSCR, ctrl & ~SCSCR_TIE);
+ u16 ctrl = sci_serial_in(port, SCSCR);
+ sci_serial_out(port, SCSCR, ctrl & ~SCSCR_TIE);
if (s->cfg->regtype == SCIx_RZ_SCIFA_REGTYPE) {
/* Switch irq from DMA to SCIF */
dmaengine_pause(s->chan_tx_saved);
@@ -1296,7 +1295,7 @@ static void sci_dma_rx_reenable_irq(struct sci_port *s)
u16 scr;
/* Direct new serial port interrupts back to CPU */
- scr = serial_port_in(port, SCSCR);
+ scr = sci_serial_in(port, SCSCR);
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB ||
s->cfg->regtype == SCIx_RZ_SCIFA_REGTYPE) {
enable_irq(s->irqs[SCIx_RXI_IRQ]);
@@ -1305,7 +1304,7 @@ static void sci_dma_rx_reenable_irq(struct sci_port *s)
else
scr &= ~SCSCR_RDRQE;
}
- serial_port_out(port, SCSCR, scr | SCSCR_RIE);
+ sci_serial_out(port, SCSCR, scr | SCSCR_RIE);
}
static void sci_dma_rx_complete(void *arg)
@@ -1714,8 +1713,8 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr)
#ifdef CONFIG_SERIAL_SH_SCI_DMA
if (s->chan_rx) {
- u16 scr = serial_port_in(port, SCSCR);
- u16 ssr = serial_port_in(port, SCxSR);
+ u16 scr = sci_serial_in(port, SCSCR);
+ u16 ssr = sci_serial_in(port, SCxSR);
/* Disable future Rx interrupts */
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB ||
@@ -1733,10 +1732,10 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr)
scr &= ~SCSCR_RIE;
}
- serial_port_out(port, SCSCR, scr);
+ sci_serial_out(port, SCSCR, scr);
/* Clear current interrupt */
- serial_port_out(port, SCxSR,
- ssr & ~(SCIF_DR | SCxSR_RDxF(port)));
+ sci_serial_out(port, SCxSR,
+ ssr & ~(SCIF_DR | SCxSR_RDxF(port)));
dev_dbg(port->dev, "Rx IRQ %lu: setup t-out in %u us\n",
jiffies, s->rx_timeout);
start_hrtimer_us(&s->rx_timer, s->rx_timeout);
@@ -1786,9 +1785,9 @@ static irqreturn_t sci_tx_end_interrupt(int irq, void *ptr)
return sci_tx_interrupt(irq, ptr);
uart_port_lock_irqsave(port, &flags);
- ctrl = serial_port_in(port, SCSCR);
+ ctrl = sci_serial_in(port, SCSCR);
ctrl &= ~(SCSCR_TE | SCSCR_TEIE);
- serial_port_out(port, SCSCR, ctrl);
+ sci_serial_out(port, SCSCR, ctrl);
uart_port_unlock_irqrestore(port, flags);
return IRQ_HANDLED;
@@ -1802,7 +1801,7 @@ static irqreturn_t sci_br_interrupt(int irq, void *ptr)
sci_handle_breaks(port);
/* drop invalid character received before break was detected */
- serial_port_in(port, SCxRDR);
+ sci_serial_in(port, SCxRDR);
sci_clear_SCxSR(port, SCxSR_BREAK_CLEAR(port));
@@ -1816,7 +1815,7 @@ static irqreturn_t sci_er_interrupt(int irq, void *ptr)
if (s->irqs[SCIx_ERI_IRQ] == s->irqs[SCIx_BRI_IRQ]) {
/* Break and Error interrupts are muxed */
- unsigned short ssr_status = serial_port_in(port, SCxSR);
+ unsigned short ssr_status = sci_serial_in(port, SCxSR);
/* Break Interrupt */
if (ssr_status & SCxSR_BRK(port))
@@ -1831,7 +1830,7 @@ static irqreturn_t sci_er_interrupt(int irq, void *ptr)
if (port->type == PORT_SCI) {
if (sci_handle_errors(port)) {
/* discard character in rx buffer */
- serial_port_in(port, SCxSR);
+ sci_serial_in(port, SCxSR);
sci_clear_SCxSR(port, SCxSR_RDxF_CLEAR(port));
}
} else {
@@ -1856,12 +1855,12 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
struct sci_port *s = to_sci_port(port);
irqreturn_t ret = IRQ_NONE;
- ssr_status = serial_port_in(port, SCxSR);
- scr_status = serial_port_in(port, SCSCR);
+ ssr_status = sci_serial_in(port, SCxSR);
+ scr_status = sci_serial_in(port, SCSCR);
if (s->params->overrun_reg == SCxSR)
orer_status = ssr_status;
else if (sci_getreg(port, s->params->overrun_reg)->size)
- orer_status = serial_port_in(port, s->params->overrun_reg);
+ orer_status = sci_serial_in(port, s->params->overrun_reg);
err_enabled = scr_status & port_rx_irq_mask(port);
@@ -2038,7 +2037,7 @@ static void sci_free_irq(struct sci_port *port)
static unsigned int sci_tx_empty(struct uart_port *port)
{
- unsigned short status = serial_port_in(port, SCxSR);
+ unsigned short status = sci_serial_in(port, SCxSR);
unsigned short in_tx_fifo = sci_txfill(port);
return (status & SCxSR_TEND(port)) && !in_tx_fifo ? TIOCSER_TEMT : 0;
@@ -2047,27 +2046,27 @@ static unsigned int sci_tx_empty(struct uart_port *port)
static void sci_set_rts(struct uart_port *port, bool state)
{
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
- u16 data = serial_port_in(port, SCPDR);
+ u16 data = sci_serial_in(port, SCPDR);
/* Active low */
if (state)
data &= ~SCPDR_RTSD;
else
data |= SCPDR_RTSD;
- serial_port_out(port, SCPDR, data);
+ sci_serial_out(port, SCPDR, data);
/* RTS# is output */
- serial_port_out(port, SCPCR,
- serial_port_in(port, SCPCR) | SCPCR_RTSC);
+ sci_serial_out(port, SCPCR,
+ sci_serial_in(port, SCPCR) | SCPCR_RTSC);
} else if (sci_getreg(port, SCSPTR)->size) {
- u16 ctrl = serial_port_in(port, SCSPTR);
+ u16 ctrl = sci_serial_in(port, SCSPTR);
/* Active low */
if (state)
ctrl &= ~SCSPTR_RTSDT;
else
ctrl |= SCSPTR_RTSDT;
- serial_port_out(port, SCSPTR, ctrl);
+ sci_serial_out(port, SCSPTR, ctrl);
}
}
@@ -2075,10 +2074,10 @@ static bool sci_get_cts(struct uart_port *port)
{
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
/* Active low */
- return !(serial_port_in(port, SCPDR) & SCPDR_CTSD);
+ return !(sci_serial_in(port, SCPDR) & SCPDR_CTSD);
} else if (sci_getreg(port, SCSPTR)->size) {
/* Active low */
- return !(serial_port_in(port, SCSPTR) & SCSPTR_CTSDT);
+ return !(sci_serial_in(port, SCSPTR) & SCSPTR_CTSDT);
}
return true;
@@ -2108,9 +2107,8 @@ static void sci_set_mctrl(struct uart_port *port, unsigned int mctrl)
*/
reg = sci_getreg(port, SCFCR);
if (reg->size)
- serial_port_out(port, SCFCR,
- serial_port_in(port, SCFCR) |
- SCFCR_LOOP);
+ sci_serial_out(port, SCFCR,
+ sci_serial_in(port, SCFCR) | SCFCR_LOOP);
}
mctrl_gpio_set(s->gpios, mctrl);
@@ -2120,21 +2118,21 @@ static void sci_set_mctrl(struct uart_port *port, unsigned int mctrl)
if (!(mctrl & TIOCM_RTS)) {
/* Disable Auto RTS */
- serial_port_out(port, SCFCR,
- serial_port_in(port, SCFCR) & ~SCFCR_MCE);
+ sci_serial_out(port, SCFCR,
+ sci_serial_in(port, SCFCR) & ~SCFCR_MCE);
/* Clear RTS */
sci_set_rts(port, 0);
} else if (s->autorts) {
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
/* Enable RTS# pin function */
- serial_port_out(port, SCPCR,
- serial_port_in(port, SCPCR) & ~SCPCR_RTSC);
+ sci_serial_out(port, SCPCR,
+ sci_serial_in(port, SCPCR) & ~SCPCR_RTSC);
}
/* Enable Auto RTS */
- serial_port_out(port, SCFCR,
- serial_port_in(port, SCFCR) | SCFCR_MCE);
+ sci_serial_out(port, SCFCR,
+ sci_serial_in(port, SCFCR) | SCFCR_MCE);
} else {
/* Set RTS */
sci_set_rts(port, 1);
@@ -2187,8 +2185,8 @@ static void sci_break_ctl(struct uart_port *port, int break_state)
}
uart_port_lock_irqsave(port, &flags);
- scsptr = serial_port_in(port, SCSPTR);
- scscr = serial_port_in(port, SCSCR);
+ scsptr = sci_serial_in(port, SCSPTR);
+ scscr = sci_serial_in(port, SCSCR);
if (break_state == -1) {
scsptr = (scsptr | SCSPTR_SPB2IO) & ~SCSPTR_SPB2DT;
@@ -2198,8 +2196,8 @@ static void sci_break_ctl(struct uart_port *port, int break_state)
scscr |= SCSCR_TE;
}
- serial_port_out(port, SCSPTR, scsptr);
- serial_port_out(port, SCSCR, scscr);
+ sci_serial_out(port, SCSPTR, scsptr);
+ sci_serial_out(port, SCSCR, scscr);
uart_port_unlock_irqrestore(port, flags);
}
@@ -2239,9 +2237,9 @@ static void sci_shutdown(struct uart_port *port)
* Stop RX and TX, disable related interrupts, keep clock source
* and HSCIF TOT bits
*/
- scr = serial_port_in(port, SCSCR);
- serial_port_out(port, SCSCR, scr &
- (SCSCR_CKE1 | SCSCR_CKE0 | s->hscif_tot));
+ scr = sci_serial_in(port, SCSCR);
+ sci_serial_out(port, SCSCR,
+ scr & (SCSCR_CKE1 | SCSCR_CKE0 | s->hscif_tot));
uart_port_unlock_irqrestore(port, flags);
#ifdef CONFIG_SERIAL_SH_SCI_DMA
@@ -2390,19 +2388,19 @@ static void sci_reset(struct uart_port *port)
unsigned int status;
struct sci_port *s = to_sci_port(port);
- serial_port_out(port, SCSCR, s->hscif_tot); /* TE=0, RE=0, CKE1=0 */
+ sci_serial_out(port, SCSCR, s->hscif_tot); /* TE=0, RE=0, CKE1=0 */
reg = sci_getreg(port, SCFCR);
if (reg->size)
- serial_port_out(port, SCFCR, SCFCR_RFRST | SCFCR_TFRST);
+ sci_serial_out(port, SCFCR, SCFCR_RFRST | SCFCR_TFRST);
sci_clear_SCxSR(port,
SCxSR_RDxF_CLEAR(port) & SCxSR_ERROR_CLEAR(port) &
SCxSR_BREAK_CLEAR(port));
if (sci_getreg(port, SCLSR)->size) {
- status = serial_port_in(port, SCLSR);
+ status = sci_serial_in(port, SCLSR);
status &= ~(SCLSR_TO | SCLSR_ORER);
- serial_port_out(port, SCLSR, status);
+ sci_serial_out(port, SCLSR, status);
}
if (s->rx_trigger > 1) {
@@ -2540,8 +2538,8 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
* It controls the mux to select (H)SCK or frequency divided clock.
*/
if (best_clk >= 0 && sci_getreg(port, SCCKS)->size) {
- serial_port_out(port, SCDL, dl);
- serial_port_out(port, SCCKS, sccks);
+ sci_serial_out(port, SCDL, dl);
+ sci_serial_out(port, SCCKS, sccks);
}
uart_port_lock_irqsave(port, &flags);
@@ -2554,7 +2552,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
bits = tty_get_frame_size(termios->c_cflag);
if (sci_getreg(port, SEMR)->size)
- serial_port_out(port, SEMR, 0);
+ sci_serial_out(port, SEMR, 0);
if (best_clk >= 0) {
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
@@ -2569,9 +2567,9 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
case 27: smr_val |= SCSMR_SRC_27; break;
}
smr_val |= cks;
- serial_port_out(port, SCSCR, scr_val | s->hscif_tot);
- serial_port_out(port, SCSMR, smr_val);
- serial_port_out(port, SCBRR, brr);
+ sci_serial_out(port, SCSCR, scr_val | s->hscif_tot);
+ sci_serial_out(port, SCSMR, smr_val);
+ sci_serial_out(port, SCBRR, brr);
if (sci_getreg(port, HSSRR)->size) {
unsigned int hssrr = srr | HSCIF_SRE;
/* Calculate deviation from intended rate at the
@@ -2593,7 +2591,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
HSCIF_SRHP_MASK;
hssrr |= HSCIF_SRDE;
}
- serial_port_out(port, HSSRR, hssrr);
+ sci_serial_out(port, HSSRR, hssrr);
}
/* Wait one bit interval */
@@ -2601,10 +2599,10 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
} else {
/* Don't touch the bit rate configuration */
scr_val = s->cfg->scscr & (SCSCR_CKE1 | SCSCR_CKE0);
- smr_val |= serial_port_in(port, SCSMR) &
+ smr_val |= sci_serial_in(port, SCSMR) &
(SCSMR_CKEDG | SCSMR_SRC_MASK | SCSMR_CKS);
- serial_port_out(port, SCSCR, scr_val | s->hscif_tot);
- serial_port_out(port, SCSMR, smr_val);
+ sci_serial_out(port, SCSCR, scr_val | s->hscif_tot);
+ sci_serial_out(port, SCSMR, smr_val);
}
sci_init_pins(port, termios->c_cflag);
@@ -2613,7 +2611,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
s->autorts = false;
reg = sci_getreg(port, SCFCR);
if (reg->size) {
- unsigned short ctrl = serial_port_in(port, SCFCR);
+ unsigned short ctrl = sci_serial_in(port, SCFCR);
if ((port->flags & UPF_HARD_FLOW) &&
(termios->c_cflag & CRTSCTS)) {
@@ -2630,7 +2628,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
*/
ctrl &= ~(SCFCR_RFRST | SCFCR_TFRST);
- serial_port_out(port, SCFCR, ctrl);
+ sci_serial_out(port, SCFCR, ctrl);
}
if (port->flags & UPF_HARD_FLOW) {
/* Refresh (Auto) RTS */
@@ -2645,7 +2643,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
if (port->type != PORT_SCI)
scr_val |= SCSCR_TE;
scr_val |= SCSCR_RE | (s->cfg->scscr & ~(SCSCR_CKE1 | SCSCR_CKE0));
- serial_port_out(port, SCSCR, scr_val | s->hscif_tot);
+ sci_serial_out(port, SCSCR, scr_val | s->hscif_tot);
if ((srr + 1 == 5) &&
(port->type == PORT_SCIFA || port->type == PORT_SCIFB)) {
/*
@@ -3017,9 +3015,6 @@ static int sci_init_single(struct platform_device *dev,
port->irq = sci_port->irqs[SCIx_RXI_IRQ];
port->irqflags = 0;
- port->serial_in = sci_serial_in;
- port->serial_out = sci_serial_out;
-
return 0;
}
@@ -3056,21 +3051,21 @@ static void serial_console_write(struct console *co, const char *s,
uart_port_lock_irqsave(port, &flags);
/* first save SCSCR then disable interrupts, keep clock source */
- ctrl = serial_port_in(port, SCSCR);
+ ctrl = sci_serial_in(port, SCSCR);
ctrl_temp = SCSCR_RE | SCSCR_TE |
(sci_port->cfg->scscr & ~(SCSCR_CKE1 | SCSCR_CKE0)) |
(ctrl & (SCSCR_CKE1 | SCSCR_CKE0));
- serial_port_out(port, SCSCR, ctrl_temp | sci_port->hscif_tot);
+ sci_serial_out(port, SCSCR, ctrl_temp | sci_port->hscif_tot);
uart_console_write(port, s, count, serial_console_putchar);
/* wait until fifo is empty and last bit has been transmitted */
bits = SCxSR_TDxE(port) | SCxSR_TEND(port);
- while ((serial_port_in(port, SCxSR) & bits) != bits)
+ while ((sci_serial_in(port, SCxSR) & bits) != bits)
cpu_relax();
/* restore the SCSCR */
- serial_port_out(port, SCSCR, ctrl);
+ sci_serial_out(port, SCSCR, ctrl);
if (locked)
uart_port_unlock_irqrestore(port, flags);
@@ -3503,8 +3498,6 @@ static int __init early_console_setup(struct earlycon_device *device,
if (!device->port.membase)
return -ENODEV;
- device->port.serial_in = sci_serial_in;
- device->port.serial_out = sci_serial_out;
device->port.type = type;
memcpy(&sci_ports[0].port, &device->port, sizeof(struct uart_port));
port_cfg.type = type;
--
GitLab
From 35c822a34b2293aedf475238c395e75858d1e8c8 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:02 +0200
Subject: [PATCH 0859/2686] serial: core: Move struct uart_port::quirks closer
to possible values
Currently it's not crystal clear what UPIO_* and UPQ_* definitions
belong to. Reindent the code, so it will be easy to read and understand.
No functional changes intended.
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240304123035.758700-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/serial_core.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index bb0f2d4ac62f6..f9d7f0a625fdd 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -467,8 +467,8 @@ struct uart_port {
unsigned int fifosize; /* tx fifo size */
unsigned char x_char; /* xon/xoff char */
unsigned char regshift; /* reg offset shift */
+
unsigned char iotype; /* io access style */
- unsigned char quirks; /* internal quirks */
#define UPIO_PORT (SERIAL_IO_PORT) /* 8b I/O port access */
#define UPIO_HUB6 (SERIAL_IO_HUB6) /* Hub6 ISA card */
@@ -479,7 +479,9 @@ struct uart_port {
#define UPIO_MEM32BE (SERIAL_IO_MEM32BE) /* 32b big endian */
#define UPIO_MEM16 (SERIAL_IO_MEM16) /* 16b little endian */
- /* quirks must be updated while holding port mutex */
+ unsigned char quirks; /* internal quirks */
+
+ /* internal quirks must be updated while holding port mutex */
#define UPQ_NO_TXEN_TEST BIT(0)
unsigned int read_status_mask; /* driver specific */
--
GitLab
From 79d713baf63c8f23cc58b304c40be33d64a12aaf Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:03 +0200
Subject: [PATCH 0860/2686] serial: core: Add UPIO_UNKNOWN constant for unknown
port type
In some APIs we would like to assign the special value to iotype
and compare against it in another places. Introduce UPIO_UNKNOWN
for this purpose.
Note, we can't use 0, because it's a valid value for IO port access.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240304123035.758700-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/serial_core.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index f9d7f0a625fdd..3b64c9a269458 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -470,6 +470,7 @@ struct uart_port {
unsigned char iotype; /* io access style */
+#define UPIO_UNKNOWN ((unsigned char)~0U) /* UCHAR_MAX */
#define UPIO_PORT (SERIAL_IO_PORT) /* 8b I/O port access */
#define UPIO_HUB6 (SERIAL_IO_HUB6) /* Hub6 ISA card */
#define UPIO_MEM (SERIAL_IO_MEM) /* driver-specific */
--
GitLab
From e894b6005dce0ed621b2788d6a249708fb6f95f9 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:04 +0200
Subject: [PATCH 0861/2686] serial: port: Introduce a common helper to read
properties
Several serial drivers want to read the same or similar set of
the port properties. Make a common helper for them.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240304123035.758700-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/serial_port.c | 145 +++++++++++++++++++++++++++++++
include/linux/serial_core.h | 2 +
2 files changed, 147 insertions(+)
diff --git a/drivers/tty/serial/serial_port.c b/drivers/tty/serial/serial_port.c
index 88975a4df3060..6779a008e67aa 100644
--- a/drivers/tty/serial/serial_port.c
+++ b/drivers/tty/serial/serial_port.c
@@ -8,7 +8,10 @@
#include <linux/device.h>
#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
+#include <linux/property.h>
#include <linux/serial_core.h>
#include <linux/spinlock.h>
@@ -82,6 +85,148 @@ void uart_remove_one_port(struct uart_driver *drv, struct uart_port *port)
}
EXPORT_SYMBOL(uart_remove_one_port);
+/**
+ * __uart_read_properties - read firmware properties of the given UART port
+ * @port: corresponding port
+ * @use_defaults: apply defaults (when %true) or validate the values (when %false)
+ *
+ * The following device properties are supported:
+ * - clock-frequency (optional)
+ * - fifo-size (optional)
+ * - no-loopback-test (optional)
+ * - reg-shift (defaults may apply)
+ * - reg-offset (value may be validated)
+ * - reg-io-width (defaults may apply or value may be validated)
+ * - interrupts (OF only)
+ * - serial [alias ID] (OF only)
+ *
+ * If the port->dev is of struct platform_device type the interrupt line
+ * will be retrieved via platform_get_irq() call against that device.
+ * Otherwise it will be assigned by fwnode_irq_get() call. In both cases
+ * the index 0 of the resource is used.
+ *
+ * The caller is responsible to initialize the following fields of the @port
+ * ->dev (must be valid)
+ * ->flags
+ * ->mapbase
+ * ->mapsize
+ * ->regshift (if @use_defaults is false)
+ * before calling this function. Alternatively the above mentioned fields
+ * may be zeroed, in such case the only ones, that have associated properties
+ * found, will be set to the respective values.
+ *
+ * If no error happened, the ->irq, ->mapbase, ->mapsize will be altered.
+ * The ->iotype is always altered.
+ *
+ * When @use_defaults is true and the respective property is not found
+ * the following values will be applied:
+ * ->regshift = 0
+ * In this case IRQ must be provided, otherwise an error will be returned.
+ *
+ * When @use_defaults is false and the respective property is found
+ * the following values will be validated:
+ * - reg-io-width (->iotype)
+ * - reg-offset (->mapsize against ->mapbase)
+ *
+ * Returns: 0 on success or negative errno on failure
+ */
+static int __uart_read_properties(struct uart_port *port, bool use_defaults)
+{
+ struct device *dev = port->dev;
+ u32 value;
+ int ret;
+
+ /* Read optional UART functional clock frequency */
+ device_property_read_u32(dev, "clock-frequency", &port->uartclk);
+
+ /* Read the registers alignment (default: 8-bit) */
+ ret = device_property_read_u32(dev, "reg-shift", &value);
+ if (ret)
+ port->regshift = use_defaults ? 0 : port->regshift;
+ else
+ port->regshift = value;
+
+ /* Read the registers I/O access type (default: MMIO 8-bit) */
+ ret = device_property_read_u32(dev, "reg-io-width", &value);
+ if (ret) {
+ port->iotype = UPIO_MEM;
+ } else {
+ switch (value) {
+ case 1:
+ port->iotype = UPIO_MEM;
+ break;
+ case 2:
+ port->iotype = UPIO_MEM16;
+ break;
+ case 4:
+ port->iotype = device_is_big_endian(dev) ? UPIO_MEM32BE : UPIO_MEM32;
+ break;
+ default:
+ if (!use_defaults) {
+ dev_err(dev, "Unsupported reg-io-width (%u)\n", value);
+ return -EINVAL;
+ }
+ port->iotype = UPIO_UNKNOWN;
+ break;
+ }
+ }
+
+ /* Read the address mapping base offset (default: no offset) */
+ ret = device_property_read_u32(dev, "reg-offset", &value);
+ if (ret)
+ value = 0;
+
+ /* Check for shifted address mapping overflow */
+ if (!use_defaults && port->mapsize < value) {
+ dev_err(dev, "reg-offset %u exceeds region size %pa\n", value, &port->mapsize);
+ return -EINVAL;
+ }
+
+ port->mapbase += value;
+ port->mapsize -= value;
+
+ /* Read optional FIFO size */
+ device_property_read_u32(dev, "fifo-size", &port->fifosize);
+
+ if (device_property_read_bool(dev, "no-loopback-test"))
+ port->flags |= UPF_SKIP_TEST;
+
+ /* Get index of serial line, if found in DT aliases */
+ ret = of_alias_get_id(dev_of_node(dev), "serial");
+ if (ret >= 0)
+ port->line = ret;
+
+ if (dev_is_platform(dev))
+ ret = platform_get_irq(to_platform_device(dev), 0);
+ else
+ ret = fwnode_irq_get(dev_fwnode(dev), 0);
+ if (ret == -EPROBE_DEFER)
+ return ret;
+ if (ret > 0)
+ port->irq = ret;
+ else if (use_defaults)
+ /* By default IRQ support is mandatory */
+ return ret;
+ else
+ port->irq = 0;
+
+ port->flags |= UPF_SHARE_IRQ;
+
+ return 0;
+}
+
+int uart_read_port_properties(struct uart_port *port)
+{
+ return __uart_read_properties(port, true);
+}
+EXPORT_SYMBOL_GPL(uart_read_port_properties);
+
+int uart_read_and_validate_port_properties(struct uart_port *port)
+{
+ return __uart_read_properties(port, false);
+}
+EXPORT_SYMBOL_GPL(uart_read_and_validate_port_properties);
+
static struct device_driver serial_port_driver = {
.name = "port",
.suppress_bind_attrs = true,
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 3b64c9a269458..0a0f6e21d40ec 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -963,6 +963,8 @@ int uart_register_driver(struct uart_driver *uart);
void uart_unregister_driver(struct uart_driver *uart);
int uart_add_one_port(struct uart_driver *reg, struct uart_port *port);
void uart_remove_one_port(struct uart_driver *reg, struct uart_port *port);
+int uart_read_port_properties(struct uart_port *port);
+int uart_read_and_validate_port_properties(struct uart_port *port);
bool uart_match_port(const struct uart_port *port1,
const struct uart_port *port2);
--
GitLab
From dcdc7e09cfe31aa402f9b827a9c76ef7b9374859 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:05 +0200
Subject: [PATCH 0862/2686] serial: 8250_aspeed_vuart: Switch to use
uart_read_port_properties()
Since we have now a common helper to read port properties
use it instead of sparse home grown solution.
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Link: https://lore.kernel.org/r/20240304123035.758700-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_aspeed_vuart.c | 50 +++++++--------------
1 file changed, 15 insertions(+), 35 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_aspeed_vuart.c b/drivers/tty/serial/8250/8250_aspeed_vuart.c
index 8c2aaf7af7b75..53d8eee9b1c81 100644
--- a/drivers/tty/serial/8250/8250_aspeed_vuart.c
+++ b/drivers/tty/serial/8250/8250_aspeed_vuart.c
@@ -419,8 +419,8 @@ static int aspeed_vuart_probe(struct platform_device *pdev)
struct aspeed_vuart *vuart;
struct device_node *np;
struct resource *res;
- u32 clk, prop, sirq[2];
int rc, sirq_polarity;
+ u32 prop, sirq[2];
struct clk *vclk;
np = pdev->dev.of_node;
@@ -447,53 +447,35 @@ static int aspeed_vuart_probe(struct platform_device *pdev)
port.port.status = UPSTAT_SYNC_FIFO;
port.port.dev = &pdev->dev;
port.port.has_sysrq = IS_ENABLED(CONFIG_SERIAL_8250_CONSOLE);
+ port.port.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_FIXED_PORT | UPF_FIXED_TYPE |
+ UPF_NO_THRE_TEST;
port.bugs |= UART_BUG_TXRACE;
rc = sysfs_create_group(&vuart->dev->kobj, &aspeed_vuart_attr_group);
if (rc < 0)
return rc;
- if (of_property_read_u32(np, "clock-frequency", &clk)) {
+ rc = uart_read_port_properties(&port.port);
+ if (rc)
+ goto err_sysfs_remove;
+
+ /* Get clk rate through clk driver if present */
+ if (!port.port.uartclk) {
vclk = devm_clk_get_enabled(dev, NULL);
if (IS_ERR(vclk)) {
rc = dev_err_probe(dev, PTR_ERR(vclk), "clk or clock-frequency not defined\n");
goto err_sysfs_remove;
}
- clk = clk_get_rate(vclk);
+ port.port.uartclk = clk_get_rate(vclk);
}
/* If current-speed was set, then try not to change it. */
if (of_property_read_u32(np, "current-speed", &prop) == 0)
- port.port.custom_divisor = clk / (16 * prop);
-
- /* Check for shifted address mapping */
- if (of_property_read_u32(np, "reg-offset", &prop) == 0)
- port.port.mapbase += prop;
-
- /* Check for registers offset within the devices address range */
- if (of_property_read_u32(np, "reg-shift", &prop) == 0)
- port.port.regshift = prop;
+ port.port.custom_divisor = port.port.uartclk / (16 * prop);
- /* Check for fifo size */
- if (of_property_read_u32(np, "fifo-size", &prop) == 0)
- port.port.fifosize = prop;
-
- /* Check for a fixed line number */
- rc = of_alias_get_id(np, "serial");
- if (rc >= 0)
- port.port.line = rc;
-
- port.port.irq = irq_of_parse_and_map(np, 0);
port.port.handle_irq = aspeed_vuart_handle_irq;
- port.port.iotype = UPIO_MEM;
port.port.type = PORT_ASPEED_VUART;
- port.port.uartclk = clk;
- port.port.flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF | UPF_IOREMAP
- | UPF_FIXED_PORT | UPF_FIXED_TYPE | UPF_NO_THRE_TEST;
-
- if (of_property_read_bool(np, "no-loopback-test"))
- port.port.flags |= UPF_SKIP_TEST;
if (port.port.fifosize)
port.capabilities = UART_CAP_FIFO;
@@ -503,7 +485,7 @@ static int aspeed_vuart_probe(struct platform_device *pdev)
rc = serial8250_register_8250_port(&port);
if (rc < 0)
- goto err_clk_disable;
+ goto err_sysfs_remove;
vuart->line = rc;
vuart->port = serial8250_get_port(vuart->line);
@@ -529,7 +511,7 @@ static int aspeed_vuart_probe(struct platform_device *pdev)
rc = aspeed_vuart_set_lpc_address(vuart, prop);
if (rc < 0) {
dev_err_probe(dev, rc, "invalid value in aspeed,lpc-io-reg property\n");
- goto err_clk_disable;
+ goto err_sysfs_remove;
}
rc = of_property_read_u32_array(np, "aspeed,lpc-interrupts", sirq, 2);
@@ -541,14 +523,14 @@ static int aspeed_vuart_probe(struct platform_device *pdev)
rc = aspeed_vuart_set_sirq(vuart, sirq[0]);
if (rc < 0) {
dev_err_probe(dev, rc, "invalid sirq number in aspeed,lpc-interrupts property\n");
- goto err_clk_disable;
+ goto err_sysfs_remove;
}
sirq_polarity = aspeed_vuart_map_irq_polarity(sirq[1]);
if (sirq_polarity < 0) {
rc = dev_err_probe(dev, sirq_polarity,
"invalid sirq polarity in aspeed,lpc-interrupts property\n");
- goto err_clk_disable;
+ goto err_sysfs_remove;
}
aspeed_vuart_set_sirq_polarity(vuart, sirq_polarity);
@@ -559,8 +541,6 @@ static int aspeed_vuart_probe(struct platform_device *pdev)
return 0;
-err_clk_disable:
- irq_dispose_mapping(port.port.irq);
err_sysfs_remove:
sysfs_remove_group(&vuart->dev->kobj, &aspeed_vuart_attr_group);
return rc;
--
GitLab
From eb687309136b9f4abcc081630ee31a139c54c400 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:06 +0200
Subject: [PATCH 0863/2686] serial: 8250_bcm2835aux: Switch to use
uart_read_port_properties()
Since we have now a common helper to read port properties
use it instead of sparse home grown solution.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240304123035.758700-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_bcm2835aux.c | 94 +++++++++++------------
1 file changed, 43 insertions(+), 51 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_bcm2835aux.c b/drivers/tty/serial/8250/8250_bcm2835aux.c
index beac6b340acef..121a5ce860508 100644
--- a/drivers/tty/serial/8250/8250_bcm2835aux.c
+++ b/drivers/tty/serial/8250/8250_bcm2835aux.c
@@ -45,10 +45,6 @@ struct bcm2835aux_data {
u32 cntl;
};
-struct bcm2835_aux_serial_driver_data {
- resource_size_t offset;
-};
-
static void bcm2835aux_rs485_start_tx(struct uart_8250_port *up)
{
if (!(up->port.rs485.flags & SER_RS485_RX_DURING_TX)) {
@@ -85,10 +81,9 @@ static void bcm2835aux_rs485_stop_tx(struct uart_8250_port *up)
static int bcm2835aux_serial_probe(struct platform_device *pdev)
{
- const struct bcm2835_aux_serial_driver_data *bcm_data;
+ const struct software_node *bcm2835_swnode;
struct uart_8250_port up = { };
struct bcm2835aux_data *data;
- resource_size_t offset = 0;
struct resource *res;
unsigned int uartclk;
int ret;
@@ -101,12 +96,8 @@ static int bcm2835aux_serial_probe(struct platform_device *pdev)
/* initialize data */
up.capabilities = UART_CAP_FIFO | UART_CAP_MINI;
up.port.dev = &pdev->dev;
- up.port.regshift = 2;
up.port.type = PORT_16550;
- up.port.iotype = UPIO_MEM;
- up.port.fifosize = 8;
- up.port.flags = UPF_SHARE_IRQ | UPF_FIXED_PORT | UPF_FIXED_TYPE |
- UPF_SKIP_TEST | UPF_IOREMAP;
+ up.port.flags = UPF_FIXED_PORT | UPF_FIXED_TYPE | UPF_SKIP_TEST | UPF_IOREMAP;
up.port.rs485_config = serial8250_em485_config;
up.port.rs485_supported = serial8250_em485_supported;
up.rs485_start_tx = bcm2835aux_rs485_start_tx;
@@ -122,12 +113,6 @@ static int bcm2835aux_serial_probe(struct platform_device *pdev)
if (IS_ERR(data->clk))
return dev_err_probe(&pdev->dev, PTR_ERR(data->clk), "could not get clk\n");
- /* get the interrupt */
- ret = platform_get_irq(pdev, 0);
- if (ret < 0)
- return ret;
- up.port.irq = ret;
-
/* map the main registers */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
@@ -135,52 +120,40 @@ static int bcm2835aux_serial_probe(struct platform_device *pdev)
return -EINVAL;
}
- bcm_data = device_get_match_data(&pdev->dev);
-
- /* Some UEFI implementations (e.g. tianocore/edk2 for the Raspberry Pi)
- * describe the miniuart with a base address that encompasses the auxiliary
- * registers shared between the miniuart and spi.
- *
- * This is due to historical reasons, see discussion here :
- * https://edk2.groups.io/g/devel/topic/87501357#84349
- *
- * We need to add the offset between the miniuart and auxiliary
- * registers to get the real miniuart base address.
- */
- if (bcm_data)
- offset = bcm_data->offset;
+ up.port.mapbase = res->start;
+ up.port.mapsize = resource_size(res);
+
+ bcm2835_swnode = device_get_match_data(&pdev->dev);
+ if (bcm2835_swnode) {
+ ret = device_add_software_node(&pdev->dev, bcm2835_swnode);
+ if (ret)
+ return ret;
+ }
- up.port.mapbase = res->start + offset;
- up.port.mapsize = resource_size(res) - offset;
+ ret = uart_read_port_properties(&up.port);
+ if (ret)
+ goto rm_swnode;
- /* Check for a fixed line number */
- ret = of_alias_get_id(pdev->dev.of_node, "serial");
- if (ret >= 0)
- up.port.line = ret;
+ up.port.regshift = 2;
+ up.port.fifosize = 8;
/* enable the clock as a last step */
ret = clk_prepare_enable(data->clk);
if (ret) {
- dev_err(&pdev->dev, "unable to enable uart clock - %d\n",
- ret);
- return ret;
+ dev_err_probe(&pdev->dev, ret, "unable to enable uart clock\n");
+ goto rm_swnode;
}
uartclk = clk_get_rate(data->clk);
- if (!uartclk) {
- ret = device_property_read_u32(&pdev->dev, "clock-frequency", &uartclk);
- if (ret) {
- dev_err_probe(&pdev->dev, ret, "could not get clk rate\n");
- goto dis_clk;
- }
- }
+ if (uartclk)
+ up.port.uartclk = uartclk;
/* the HW-clock divider for bcm2835aux is 8,
* but 8250 expects a divider of 16,
* so we have to multiply the actual clock by 2
* to get identical baudrates.
*/
- up.port.uartclk = uartclk * 2;
+ up.port.uartclk *= 2;
/* register the port */
ret = serial8250_register_8250_port(&up);
@@ -194,6 +167,8 @@ static int bcm2835aux_serial_probe(struct platform_device *pdev)
dis_clk:
clk_disable_unprepare(data->clk);
+rm_swnode:
+ device_remove_software_node(&pdev->dev);
return ret;
}
@@ -203,10 +178,27 @@ static void bcm2835aux_serial_remove(struct platform_device *pdev)
serial8250_unregister_port(data->line);
clk_disable_unprepare(data->clk);
+ device_remove_software_node(&pdev->dev);
}
-static const struct bcm2835_aux_serial_driver_data bcm2835_acpi_data = {
- .offset = 0x40,
+/*
+ * Some UEFI implementations (e.g. tianocore/edk2 for the Raspberry Pi)
+ * describe the miniuart with a base address that encompasses the auxiliary
+ * registers shared between the miniuart and spi.
+ *
+ * This is due to historical reasons, see discussion here:
+ * https://edk2.groups.io/g/devel/topic/87501357#84349
+ *
+ * We need to add the offset between the miniuart and auxiliary registers
+ * to get the real miniuart base address.
+ */
+static const struct property_entry bcm2835_acpi_properties[] = {
+ PROPERTY_ENTRY_U32("reg-offset", 0x40),
+ { }
+};
+
+static const struct software_node bcm2835_acpi_node = {
+ .properties = bcm2835_acpi_properties,
};
static const struct of_device_id bcm2835aux_serial_match[] = {
@@ -216,7 +208,7 @@ static const struct of_device_id bcm2835aux_serial_match[] = {
MODULE_DEVICE_TABLE(of, bcm2835aux_serial_match);
static const struct acpi_device_id bcm2835aux_serial_acpi_match[] = {
- { "BCM2836", (kernel_ulong_t)&bcm2835_acpi_data },
+ { "BCM2836", (kernel_ulong_t)&bcm2835_acpi_node },
{ }
};
MODULE_DEVICE_TABLE(acpi, bcm2835aux_serial_acpi_match);
--
GitLab
From 573d97545c2ec53ab5c7c5870287e81eff0d6d00 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:07 +0200
Subject: [PATCH 0864/2686] serial: 8250_bcm7271: Switch to use
uart_read_port_properties()
Since we have now a common helper to read port properties
use it instead of sparse home grown solution.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240304123035.758700-7-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_bcm7271.c | 56 +++++++++-----------------
1 file changed, 19 insertions(+), 37 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_bcm7271.c b/drivers/tty/serial/8250/8250_bcm7271.c
index 1532fa2e8ec4f..5daa38d9c64e0 100644
--- a/drivers/tty/serial/8250/8250_bcm7271.c
+++ b/drivers/tty/serial/8250/8250_bcm7271.c
@@ -935,17 +935,14 @@ static void brcmuart_init_debugfs(struct brcmuart_priv *priv,
static int brcmuart_probe(struct platform_device *pdev)
{
struct resource *regs;
- struct device_node *np = pdev->dev.of_node;
const struct of_device_id *of_id = NULL;
struct uart_8250_port *new_port;
struct device *dev = &pdev->dev;
struct brcmuart_priv *priv;
struct clk *baud_mux_clk;
struct uart_8250_port up;
- int irq;
void __iomem *membase = NULL;
resource_size_t mapbase = 0;
- u32 clk_rate = 0;
int ret;
int x;
int dma_irq;
@@ -953,15 +950,12 @@ static int brcmuart_probe(struct platform_device *pdev)
"uart", "dma_rx", "dma_tx", "dma_intr2", "dma_arb"
};
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
priv = devm_kzalloc(dev, sizeof(struct brcmuart_priv),
GFP_KERNEL);
if (!priv)
return -ENOMEM;
- of_id = of_match_node(brcmuart_dt_ids, np);
+ of_id = of_match_node(brcmuart_dt_ids, dev->of_node);
if (!of_id || !of_id->data)
priv->rate_table = brcmstb_rate_table;
else
@@ -1011,7 +1005,23 @@ static int brcmuart_probe(struct platform_device *pdev)
}
}
- of_property_read_u32(np, "clock-frequency", &clk_rate);
+ dev_dbg(dev, "DMA is %senabled\n", priv->dma_enabled ? "" : "not ");
+
+ memset(&up, 0, sizeof(up));
+ up.port.type = PORT_BCM7271;
+ up.port.dev = dev;
+ up.port.mapbase = mapbase;
+ up.port.membase = membase;
+ up.port.handle_irq = brcmuart_handle_irq;
+ up.port.flags = UPF_BOOT_AUTOCONF | UPF_FIXED_PORT | UPF_FIXED_TYPE;
+ up.port.private_data = priv;
+
+ ret = uart_read_port_properties(&up.port);
+ if (ret)
+ goto release_dma;
+
+ up.port.regshift = 2;
+ up.port.iotype = device_is_big_endian(dev) ? UPIO_MEM32BE : UPIO_MEM32;
/* See if a Baud clock has been specified */
baud_mux_clk = devm_clk_get_optional_enabled(dev, "sw_baud");
@@ -1023,39 +1033,11 @@ static int brcmuart_probe(struct platform_device *pdev)
priv->baud_mux_clk = baud_mux_clk;
init_real_clk_rates(dev, priv);
- clk_rate = priv->default_mux_rate;
+ up.port.uartclk = priv->default_mux_rate;
} else {
dev_dbg(dev, "BAUD MUX clock not specified\n");
}
- if (clk_rate == 0) {
- ret = dev_err_probe(dev, -EINVAL, "clock-frequency or clk not defined\n");
- goto release_dma;
- }
-
- dev_dbg(dev, "DMA is %senabled\n", priv->dma_enabled ? "" : "not ");
-
- memset(&up, 0, sizeof(up));
- up.port.type = PORT_BCM7271;
- up.port.uartclk = clk_rate;
- up.port.dev = dev;
- up.port.mapbase = mapbase;
- up.port.membase = membase;
- up.port.irq = irq;
- up.port.handle_irq = brcmuart_handle_irq;
- up.port.regshift = 2;
- up.port.iotype = of_device_is_big_endian(np) ?
- UPIO_MEM32BE : UPIO_MEM32;
- up.port.flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF
- | UPF_FIXED_PORT | UPF_FIXED_TYPE;
- up.port.dev = dev;
- up.port.private_data = priv;
-
- /* Check for a fixed line number */
- ret = of_alias_get_id(np, "serial");
- if (ret >= 0)
- up.port.line = ret;
-
/* setup HR timer */
hrtimer_init(&priv->hrt, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
priv->hrt.function = brcmuart_hrtimer_func;
--
GitLab
From e6a46d073e11baba785245860c9f51adbbb8b68d Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:08 +0200
Subject: [PATCH 0865/2686] serial: 8250_dw: Switch to use
uart_read_port_properties()
Since we have now a common helper to read port properties
use it instead of sparse home grown solution.
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240304123035.758700-8-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_dw.c | 67 +++++++++++++------------------
1 file changed, 27 insertions(+), 40 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index 94aa3dddb71eb..e369b429e0603 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -17,7 +17,6 @@
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/notifier.h>
-#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/property.h>
@@ -449,12 +448,7 @@ static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data)
if (np) {
unsigned int quirks = data->pdata->quirks;
- int id;
- /* get index of serial line, if found in DT aliases */
- id = of_alias_get_id(np, "serial");
- if (id >= 0)
- p->line = id;
#ifdef CONFIG_64BIT
if (quirks & DW_UART_QUIRK_OCTEON) {
p->serial_in = dw8250_serial_inq;
@@ -465,12 +459,6 @@ static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data)
}
#endif
- if (of_device_is_big_endian(np)) {
- p->iotype = UPIO_MEM32BE;
- p->serial_in = dw8250_serial_in32be;
- p->serial_out = dw8250_serial_out32be;
- }
-
if (quirks & DW_UART_QUIRK_ARMADA_38X)
p->serial_out = dw8250_serial_out38x;
if (quirks & DW_UART_QUIRK_SKIP_SET_RATE)
@@ -510,39 +498,21 @@ static int dw8250_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct dw8250_data *data;
struct resource *regs;
- int irq;
int err;
- u32 val;
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!regs)
return dev_err_probe(dev, -EINVAL, "no registers defined\n");
- irq = platform_get_irq_optional(pdev, 0);
- /* no interrupt -> fall back to polling */
- if (irq == -ENXIO)
- irq = 0;
- if (irq < 0)
- return irq;
-
spin_lock_init(&p->lock);
- p->mapbase = regs->start;
- p->irq = irq;
p->handle_irq = dw8250_handle_irq;
p->pm = dw8250_do_pm;
p->type = PORT_8250;
- p->flags = UPF_SHARE_IRQ | UPF_FIXED_PORT;
+ p->flags = UPF_FIXED_PORT;
p->dev = dev;
- p->iotype = UPIO_MEM;
- p->serial_in = dw8250_serial_in;
- p->serial_out = dw8250_serial_out;
p->set_ldisc = dw8250_set_ldisc;
p->set_termios = dw8250_set_termios;
- p->membase = devm_ioremap(dev, regs->start, resource_size(regs));
- if (!p->membase)
- return -ENOMEM;
-
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -554,15 +524,35 @@ static int dw8250_probe(struct platform_device *pdev)
data->uart_16550_compatible = device_property_read_bool(dev,
"snps,uart-16550-compatible");
- err = device_property_read_u32(dev, "reg-shift", &val);
- if (!err)
- p->regshift = val;
+ p->mapbase = regs->start;
+ p->mapsize = resource_size(regs);
- err = device_property_read_u32(dev, "reg-io-width", &val);
- if (!err && val == 4) {
- p->iotype = UPIO_MEM32;
+ p->membase = devm_ioremap(dev, p->mapbase, p->mapsize);
+ if (!p->membase)
+ return -ENOMEM;
+
+ err = uart_read_port_properties(p);
+ /* no interrupt -> fall back to polling */
+ if (err == -ENXIO)
+ err = 0;
+ if (err)
+ return err;
+
+ switch (p->iotype) {
+ case UPIO_MEM:
+ p->serial_in = dw8250_serial_in;
+ p->serial_out = dw8250_serial_out;
+ break;
+ case UPIO_MEM32:
p->serial_in = dw8250_serial_in32;
p->serial_out = dw8250_serial_out32;
+ break;
+ case UPIO_MEM32BE:
+ p->serial_in = dw8250_serial_in32be;
+ p->serial_out = dw8250_serial_out32be;
+ break;
+ default:
+ return -ENODEV;
}
if (device_property_read_bool(dev, "dcd-override")) {
@@ -589,9 +579,6 @@ static int dw8250_probe(struct platform_device *pdev)
data->msr_mask_off |= UART_MSR_TERI;
}
- /* Always ask for fixed clock rate from a property. */
- device_property_read_u32(dev, "clock-frequency", &p->uartclk);
-
/* If there is separate baudclk, get the rate from it. */
data->clk = devm_clk_get_optional_enabled(dev, "baudclk");
if (data->clk == NULL)
--
GitLab
From d6bd42f2c2a8f26d49516dd055420f0d6743b8c7 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:09 +0200
Subject: [PATCH 0866/2686] serial: 8250_ingenic: Switch to use
uart_read_port_properties()
Since we have now a common helper to read port properties
use it instead of sparse home grown solution.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240304123035.758700-9-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_ingenic.c | 20 +++++++-------------
1 file changed, 7 insertions(+), 13 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_ingenic.c b/drivers/tty/serial/8250/8250_ingenic.c
index a12f737924c0b..a2783e38a2e31 100644
--- a/drivers/tty/serial/8250/8250_ingenic.c
+++ b/drivers/tty/serial/8250/8250_ingenic.c
@@ -234,7 +234,7 @@ static int ingenic_uart_probe(struct platform_device *pdev)
struct ingenic_uart_data *data;
const struct ingenic_uart_config *cdata;
struct resource *regs;
- int irq, err, line;
+ int err;
cdata = of_device_get_match_data(&pdev->dev);
if (!cdata) {
@@ -242,10 +242,6 @@ static int ingenic_uart_probe(struct platform_device *pdev)
return -ENODEV;
}
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
-
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!regs) {
dev_err(&pdev->dev, "no registers defined\n");
@@ -259,21 +255,19 @@ static int ingenic_uart_probe(struct platform_device *pdev)
spin_lock_init(&uart.port.lock);
uart.port.type = PORT_16550A;
uart.port.flags = UPF_SKIP_TEST | UPF_IOREMAP | UPF_FIXED_TYPE;
- uart.port.iotype = UPIO_MEM;
uart.port.mapbase = regs->start;
- uart.port.regshift = 2;
uart.port.serial_out = ingenic_uart_serial_out;
uart.port.serial_in = ingenic_uart_serial_in;
- uart.port.irq = irq;
uart.port.dev = &pdev->dev;
- uart.port.fifosize = cdata->fifosize;
uart.tx_loadsz = cdata->tx_loadsz;
uart.capabilities = UART_CAP_FIFO | UART_CAP_RTOIE;
- /* Check for a fixed line number */
- line = of_alias_get_id(pdev->dev.of_node, "serial");
- if (line >= 0)
- uart.port.line = line;
+ err = uart_read_port_properties(&uart.port);
+ if (err)
+ return err;
+
+ uart.port.regshift = 2;
+ uart.port.fifosize = cdata->fifosize;
uart.port.membase = devm_ioremap(&pdev->dev, regs->start,
resource_size(regs));
--
GitLab
From 0087b9e694ee01c61fa4e954198293fff172496d Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:10 +0200
Subject: [PATCH 0867/2686] serial: 8250_lpc18xx: Switch to use
uart_read_port_properties()
Since we have now a common helper to read port properties
use it instead of sparse home grown solution.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240304123035.758700-10-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_lpc18xx.c | 20 ++++++++------------
1 file changed, 8 insertions(+), 12 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_lpc18xx.c b/drivers/tty/serial/8250/8250_lpc18xx.c
index 8d728a6a59914..7984ee05af1da 100644
--- a/drivers/tty/serial/8250/8250_lpc18xx.c
+++ b/drivers/tty/serial/8250/8250_lpc18xx.c
@@ -92,11 +92,7 @@ static int lpc18xx_serial_probe(struct platform_device *pdev)
struct lpc18xx_uart_data *data;
struct uart_8250_port uart;
struct resource *res;
- int irq, ret;
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
+ int ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
@@ -139,19 +135,12 @@ static int lpc18xx_serial_probe(struct platform_device *pdev)
goto dis_clk_reg;
}
- ret = of_alias_get_id(pdev->dev.of_node, "serial");
- if (ret >= 0)
- uart.port.line = ret;
-
data->dma.rx_param = data;
data->dma.tx_param = data;
spin_lock_init(&uart.port.lock);
uart.port.dev = &pdev->dev;
- uart.port.irq = irq;
- uart.port.iotype = UPIO_MEM32;
uart.port.mapbase = res->start;
- uart.port.regshift = 2;
uart.port.type = PORT_16550A;
uart.port.flags = UPF_FIXED_PORT | UPF_FIXED_TYPE | UPF_SKIP_TEST;
uart.port.uartclk = clk_get_rate(data->clk_uart);
@@ -160,6 +149,13 @@ static int lpc18xx_serial_probe(struct platform_device *pdev)
uart.port.rs485_supported = lpc18xx_rs485_supported;
uart.port.serial_out = lpc18xx_uart_serial_out;
+ ret = uart_read_port_properties(&uart.port);
+ if (ret)
+ return ret;
+
+ uart.port.iotype = UPIO_MEM32;
+ uart.port.regshift = 2;
+
uart.dma = &data->dma;
uart.dma->rxconf.src_maxburst = 1;
uart.dma->txconf.dst_maxburst = 1;
--
GitLab
From 1117a6fdc7c14d6fa336cf135e81e716d20d11c1 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:11 +0200
Subject: [PATCH 0868/2686] serial: 8250_of: Switch to use
uart_read_port_properties()
Since we have now a common helper to read port properties
use it instead of sparse home grown solution.
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240304123035.758700-11-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_of.c | 99 ++++++-------------------------
1 file changed, 19 insertions(+), 80 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c
index 9dcc17e332690..5d1dd992d8fba 100644
--- a/drivers/tty/serial/8250/8250_of.c
+++ b/drivers/tty/serial/8250/8250_of.c
@@ -69,37 +69,22 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
struct device *dev = &ofdev->dev;
struct device_node *np = dev->of_node;
struct uart_port *port = &up->port;
- u32 clk, spd, prop;
- int ret, irq;
+ u32 spd;
+ int ret;
memset(port, 0, sizeof *port);
pm_runtime_enable(&ofdev->dev);
pm_runtime_get_sync(&ofdev->dev);
- if (of_property_read_u32(np, "clock-frequency", &clk)) {
-
- /* Get clk rate through clk driver if present */
- info->clk = devm_clk_get_enabled(dev, NULL);
- if (IS_ERR(info->clk)) {
- ret = dev_err_probe(dev, PTR_ERR(info->clk), "failed to get clock\n");
- goto err_pmruntime;
- }
-
- clk = clk_get_rate(info->clk);
- }
- /* If current-speed was set, then try not to change it. */
- if (of_property_read_u32(np, "current-speed", &spd) == 0)
- port->custom_divisor = clk / (16 * spd);
-
ret = of_address_to_resource(np, 0, &resource);
if (ret) {
dev_err_probe(dev, ret, "invalid address\n");
goto err_pmruntime;
}
- port->flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF | UPF_FIXED_PORT |
- UPF_FIXED_TYPE;
+ port->dev = &ofdev->dev;
+ port->flags = UPF_BOOT_AUTOCONF | UPF_FIXED_PORT | UPF_FIXED_TYPE;
spin_lock_init(&port->lock);
if (resource_type(&resource) == IORESOURCE_IO) {
@@ -108,70 +93,31 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
} else {
port->mapbase = resource.start;
port->mapsize = resource_size(&resource);
+ port->flags |= UPF_IOREMAP;
+ }
- /* Check for shifted address mapping */
- if (of_property_read_u32(np, "reg-offset", &prop) == 0) {
- if (prop >= port->mapsize) {
- ret = dev_err_probe(dev, -EINVAL, "reg-offset %u exceeds region size %pa\n",
- prop, &port->mapsize);
- goto err_pmruntime;
- }
+ ret = uart_read_and_validate_port_properties(port);
+ if (ret)
+ goto err_pmruntime;
- port->mapbase += prop;
- port->mapsize -= prop;
+ /* Get clk rate through clk driver if present */
+ if (!port->uartclk) {
+ info->clk = devm_clk_get_enabled(dev, NULL);
+ if (IS_ERR(info->clk)) {
+ ret = dev_err_probe(dev, PTR_ERR(info->clk), "failed to get clock\n");
+ goto err_pmruntime;
}
- port->iotype = UPIO_MEM;
- if (of_property_read_u32(np, "reg-io-width", &prop) == 0) {
- switch (prop) {
- case 1:
- port->iotype = UPIO_MEM;
- break;
- case 2:
- port->iotype = UPIO_MEM16;
- break;
- case 4:
- port->iotype = of_device_is_big_endian(np) ?
- UPIO_MEM32BE : UPIO_MEM32;
- break;
- default:
- ret = dev_err_probe(dev, -EINVAL, "unsupported reg-io-width (%u)\n",
- prop);
- goto err_pmruntime;
- }
- }
- port->flags |= UPF_IOREMAP;
+ port->uartclk = clk_get_rate(info->clk);
}
+ /* If current-speed was set, then try not to change it. */
+ if (of_property_read_u32(np, "current-speed", &spd) == 0)
+ port->custom_divisor = port->uartclk / (16 * spd);
/* Compatibility with the deprecated pxa driver and 8250_pxa drivers. */
if (of_device_is_compatible(np, "mrvl,mmp-uart"))
port->regshift = 2;
- /* Check for registers offset within the devices address range */
- if (of_property_read_u32(np, "reg-shift", &prop) == 0)
- port->regshift = prop;
-
- /* Check for fifo size */
- if (of_property_read_u32(np, "fifo-size", &prop) == 0)
- port->fifosize = prop;
-
- /* Check for a fixed line number */
- ret = of_alias_get_id(np, "serial");
- if (ret >= 0)
- port->line = ret;
-
- irq = of_irq_get(np, 0);
- if (irq < 0) {
- if (irq == -EPROBE_DEFER) {
- ret = -EPROBE_DEFER;
- goto err_pmruntime;
- }
- /* IRQ support not mandatory */
- irq = 0;
- }
-
- port->irq = irq;
-
info->rst = devm_reset_control_get_optional_shared(&ofdev->dev, NULL);
if (IS_ERR(info->rst)) {
ret = PTR_ERR(info->rst);
@@ -183,12 +129,6 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
goto err_pmruntime;
port->type = type;
- port->uartclk = clk;
-
- if (of_property_read_bool(np, "no-loopback-test"))
- port->flags |= UPF_SKIP_TEST;
-
- port->dev = &ofdev->dev;
port->rs485_config = serial8250_em485_config;
port->rs485_supported = serial8250_em485_supported;
up->rs485_start_tx = serial8250_em485_start_tx;
@@ -280,7 +220,6 @@ static int of_platform_serial_probe(struct platform_device *ofdev)
platform_set_drvdata(ofdev, info);
return 0;
err_dispose:
- irq_dispose_mapping(port8250.port.irq);
pm_runtime_put_sync(&ofdev->dev);
pm_runtime_disable(&ofdev->dev);
err_free:
--
GitLab
From 664f5d035f456af4aabad981db1cbd9cb7956888 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:12 +0200
Subject: [PATCH 0869/2686] serial: 8250_omap: Switch to use
uart_read_port_properties()
Since we have now a common helper to read port properties
use it instead of sparse home grown solution.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240304123035.758700-12-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_omap.c | 29 ++++++++++-------------------
1 file changed, 10 insertions(+), 19 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c
index 6942990a333c8..66901d93089a3 100644
--- a/drivers/tty/serial/8250/8250_omap.c
+++ b/drivers/tty/serial/8250/8250_omap.c
@@ -1394,11 +1394,7 @@ static int omap8250_probe(struct platform_device *pdev)
struct uart_8250_port up;
struct resource *regs;
void __iomem *membase;
- int irq, ret;
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
+ int ret;
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!regs) {
@@ -1419,7 +1415,6 @@ static int omap8250_probe(struct platform_device *pdev)
up.port.dev = &pdev->dev;
up.port.mapbase = regs->start;
up.port.membase = membase;
- up.port.irq = irq;
/*
* It claims to be 16C750 compatible however it is a little different.
* It has EFR and has no FCR7_64byte bit. The AFE (which it claims to
@@ -1429,13 +1424,9 @@ static int omap8250_probe(struct platform_device *pdev)
* or pm callback.
*/
up.port.type = PORT_8250;
- up.port.iotype = UPIO_MEM;
- up.port.flags = UPF_FIXED_PORT | UPF_FIXED_TYPE | UPF_SOFT_FLOW |
- UPF_HARD_FLOW;
+ up.port.flags = UPF_FIXED_PORT | UPF_FIXED_TYPE | UPF_SOFT_FLOW | UPF_HARD_FLOW;
up.port.private_data = priv;
- up.port.regshift = OMAP_UART_REGSHIFT;
- up.port.fifosize = 64;
up.tx_loadsz = 64;
up.capabilities = UART_CAP_FIFO;
#ifdef CONFIG_PM
@@ -1461,14 +1452,14 @@ static int omap8250_probe(struct platform_device *pdev)
up.rs485_stop_tx = serial8250_em485_stop_tx;
up.port.has_sysrq = IS_ENABLED(CONFIG_SERIAL_8250_CONSOLE);
- ret = of_alias_get_id(np, "serial");
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to get alias\n");
+ ret = uart_read_port_properties(&up.port);
+ if (ret)
return ret;
- }
- up.port.line = ret;
- if (of_property_read_u32(np, "clock-frequency", &up.port.uartclk)) {
+ up.port.regshift = OMAP_UART_REGSHIFT;
+ up.port.fifosize = 64;
+
+ if (!up.port.uartclk) {
struct clk *clk;
clk = devm_clk_get(&pdev->dev, NULL);
@@ -1560,8 +1551,8 @@ static int omap8250_probe(struct platform_device *pdev)
}
#endif
- irq_set_status_flags(irq, IRQ_NOAUTOEN);
- ret = devm_request_irq(&pdev->dev, irq, omap8250_irq, 0,
+ irq_set_status_flags(up.port.irq, IRQ_NOAUTOEN);
+ ret = devm_request_irq(&pdev->dev, up.port.irq, omap8250_irq, 0,
dev_name(&pdev->dev), priv);
if (ret < 0)
return ret;
--
GitLab
From cc6628f07e0d994f92f04cd71755a3bf95667a14 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:13 +0200
Subject: [PATCH 0870/2686] serial: 8250_pxa: Switch to use
uart_read_port_properties()
Since we have now a common helper to read port properties
use it instead of sparse home grown solution.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240304123035.758700-13-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_pxa.c | 22 +++++++++-------------
1 file changed, 9 insertions(+), 13 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_pxa.c b/drivers/tty/serial/8250/8250_pxa.c
index 77686da42ce8e..f1a51b00b1b9d 100644
--- a/drivers/tty/serial/8250/8250_pxa.c
+++ b/drivers/tty/serial/8250/8250_pxa.c
@@ -92,11 +92,7 @@ static int serial_pxa_probe(struct platform_device *pdev)
struct uart_8250_port uart = {};
struct pxa8250_data *data;
struct resource *mmres;
- int irq, ret;
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
+ int ret;
mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mmres)
@@ -114,21 +110,21 @@ static int serial_pxa_probe(struct platform_device *pdev)
if (ret)
return ret;
- ret = of_alias_get_id(pdev->dev.of_node, "serial");
- if (ret >= 0)
- uart.port.line = ret;
-
uart.port.type = PORT_XSCALE;
- uart.port.iotype = UPIO_MEM32;
uart.port.mapbase = mmres->start;
- uart.port.regshift = 2;
- uart.port.irq = irq;
- uart.port.fifosize = 64;
uart.port.flags = UPF_IOREMAP | UPF_SKIP_TEST | UPF_FIXED_TYPE;
uart.port.dev = &pdev->dev;
uart.port.uartclk = clk_get_rate(data->clk);
uart.port.pm = serial_pxa_pm;
uart.port.private_data = data;
+
+ ret = uart_read_port_properties(&uart.port);
+ if (ret)
+ return ret;
+
+ uart.port.iotype = UPIO_MEM32;
+ uart.port.regshift = 2;
+ uart.port.fifosize = 64;
uart.dl_write = serial_pxa_dl_write;
ret = serial8250_register_8250_port(&uart);
--
GitLab
From 266bc29dad6a74951bd23260ea5da89964898808 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:14 +0200
Subject: [PATCH 0871/2686] serial: 8250_tegra: Switch to use
uart_read_port_properties()
Since we have now a common helper to read port properties
use it instead of sparse home grown solution.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240304123035.758700-14-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_tegra.c | 26 +++++++++-----------------
1 file changed, 9 insertions(+), 17 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_tegra.c b/drivers/tty/serial/8250/8250_tegra.c
index ba352262df75a..60a80d00d2519 100644
--- a/drivers/tty/serial/8250/8250_tegra.c
+++ b/drivers/tty/serial/8250/8250_tegra.c
@@ -57,25 +57,11 @@ static int tegra_uart_probe(struct platform_device *pdev)
port = &port8250.port;
spin_lock_init(&port->lock);
- port->flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF | UPF_FIXED_PORT |
- UPF_FIXED_TYPE;
- port->iotype = UPIO_MEM32;
- port->regshift = 2;
+ port->flags = UPF_BOOT_AUTOCONF | UPF_FIXED_PORT | UPF_FIXED_TYPE;
port->type = PORT_TEGRA;
- port->irqflags |= IRQF_SHARED;
port->dev = &pdev->dev;
port->handle_break = tegra_uart_handle_break;
- ret = of_alias_get_id(pdev->dev.of_node, "serial");
- if (ret >= 0)
- port->line = ret;
-
- ret = platform_get_irq(pdev, 0);
- if (ret < 0)
- return ret;
-
- port->irq = ret;
-
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)
return -ENODEV;
@@ -88,12 +74,18 @@ static int tegra_uart_probe(struct platform_device *pdev)
port->mapbase = res->start;
port->mapsize = resource_size(res);
+ ret = uart_read_port_properties(port);
+ if (ret)
+ return ret;
+
+ port->iotype = UPIO_MEM32;
+ port->regshift = 2;
+
uart->rst = devm_reset_control_get_optional_shared(&pdev->dev, NULL);
if (IS_ERR(uart->rst))
return PTR_ERR(uart->rst);
- if (device_property_read_u32(&pdev->dev, "clock-frequency",
- &port->uartclk)) {
+ if (!port->uartclk) {
uart->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(uart->clk)) {
dev_err(&pdev->dev, "failed to get clock!\n");
--
GitLab
From 26e8349c0d7624322e2daf9f062bc0338919a952 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 14:27:15 +0200
Subject: [PATCH 0872/2686] serial: 8250_uniphier: Switch to use
uart_read_port_properties()
Since we have now a common helper to read port properties
use it instead of sparse home grown solution.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Tested-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20240304123035.758700-15-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_uniphier.c | 17 ++++-------------
1 file changed, 4 insertions(+), 13 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_uniphier.c b/drivers/tty/serial/8250/8250_uniphier.c
index 6399a38ecce2a..670d2ca0f7572 100644
--- a/drivers/tty/serial/8250/8250_uniphier.c
+++ b/drivers/tty/serial/8250/8250_uniphier.c
@@ -162,7 +162,6 @@ static int uniphier_uart_probe(struct platform_device *pdev)
struct uniphier8250_priv *priv;
struct resource *regs;
void __iomem *membase;
- int irq;
int ret;
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -175,23 +174,12 @@ static int uniphier_uart_probe(struct platform_device *pdev)
if (!membase)
return -ENOMEM;
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
-
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
memset(&up, 0, sizeof(up));
- ret = of_alias_get_id(dev->of_node, "serial");
- if (ret < 0) {
- dev_err(dev, "failed to get alias id\n");
- return ret;
- }
- up.port.line = ret;
-
priv->clk = devm_clk_get(dev, NULL);
if (IS_ERR(priv->clk)) {
dev_err(dev, "failed to get clock\n");
@@ -211,7 +199,10 @@ static int uniphier_uart_probe(struct platform_device *pdev)
up.port.mapbase = regs->start;
up.port.mapsize = resource_size(regs);
up.port.membase = membase;
- up.port.irq = irq;
+
+ ret = uart_read_port_properties(&up.port);
+ if (ret)
+ return ret;
up.port.type = PORT_16550A;
up.port.iotype = UPIO_MEM32;
--
GitLab
From 801410b26a0e8b8a16f7915b2b55c9528b69ca87 Mon Sep 17 00:00:00 2001
From: Peter Collingbourne <pcc@google.com>
Date: Mon, 4 Mar 2024 13:43:49 -0800
Subject: [PATCH 0873/2686] serial: Lock console when calling into driver
before registration
During the handoff from earlycon to the real console driver, we have
two separate drivers operating on the same device concurrently. In the
case of the 8250 driver these concurrent accesses cause problems due
to the driver's use of banked registers, controlled by LCR.DLAB. It is
possible for the setup(), config_port(), pm() and set_mctrl() callbacks
to set DLAB, which can cause the earlycon code that intends to access
TX to instead access DLL, leading to missed output and corruption on
the serial line due to unintended modifications to the baud rate.
In particular, for setup() we have:
univ8250_console_setup()
-> serial8250_console_setup()
-> uart_set_options()
-> serial8250_set_termios()
-> serial8250_do_set_termios()
-> serial8250_do_set_divisor()
For config_port() we have:
serial8250_config_port()
-> autoconfig()
For pm() we have:
serial8250_pm()
-> serial8250_do_pm()
-> serial8250_set_sleep()
For set_mctrl() we have (for some devices):
serial8250_set_mctrl()
-> omap8250_set_mctrl()
-> __omap8250_set_mctrl()
To avoid such problems, let's make it so that the console is locked
during pre-registration calls to these callbacks, which will prevent
the earlycon driver from running concurrently.
Remove the partial solution to this problem in the 8250 driver
that locked the console only during autoconfig_irq(), as this would
result in a deadlock with the new approach. The console continues
to be locked during autoconfig_irq() because it can only be called
through uart_configure_port().
Although this patch introduces more locking than strictly necessary
(and in particular it also locks during the call to rs485_config()
which is not affected by this issue as far as I can tell), it follows
the principle that it is the responsibility of the generic console
code to manage the earlycon handoff by ensuring that earlycon and real
console driver code cannot run concurrently, and not the individual
drivers.
Signed-off-by: Peter Collingbourne <pcc@google.com>
Reviewed-by: John Ogness <john.ogness@linutronix.de>
Link: https://linux-review.googlesource.com/id/I7cf8124dcebf8618e6b2ee543fa5b25532de55d8
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240304214350.501253-1-pcc@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_port.c | 6 ------
drivers/tty/serial/serial_core.c | 12 ++++++++++++
kernel/printk/printk.c | 21 ++++++++++++++++++---
3 files changed, 30 insertions(+), 9 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 336a0bd4d172a..fc9dd5d45295d 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -1325,9 +1325,6 @@ static void autoconfig_irq(struct uart_8250_port *up)
inb_p(ICP);
}
- if (uart_console(port))
- console_lock();
-
/* forget possible initially masked and pending IRQ */
probe_irq_off(probe_irq_on());
save_mcr = serial8250_in_MCR(up);
@@ -1367,9 +1364,6 @@ static void autoconfig_irq(struct uart_8250_port *up)
if (port->flags & UPF_FOURPORT)
outb_p(save_ICP, ICP);
- if (uart_console(port))
- console_unlock();
-
port->irq = (irq > 0) ? irq : 0;
}
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index d6a58a9e072a1..ff85ebd3a007d 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -2608,7 +2608,12 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
port->type = PORT_UNKNOWN;
flags |= UART_CONFIG_TYPE;
}
+ /* Synchronize with possible boot console. */
+ if (uart_console(port))
+ console_lock();
port->ops->config_port(port, flags);
+ if (uart_console(port))
+ console_unlock();
}
if (port->type != PORT_UNKNOWN) {
@@ -2616,6 +2621,10 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
uart_report_port(drv, port);
+ /* Synchronize with possible boot console. */
+ if (uart_console(port))
+ console_lock();
+
/* Power up port for set_mctrl() */
uart_change_pm(state, UART_PM_STATE_ON);
@@ -2632,6 +2641,9 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
uart_rs485_config(port);
+ if (uart_console(port))
+ console_unlock();
+
/*
* If this driver supports console, and it hasn't been
* successfully registered yet, try to re-register it.
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index f2444b581e16c..89f2aa2e1172f 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -3263,6 +3263,21 @@ static int __init keep_bootcon_setup(char *str)
early_param("keep_bootcon", keep_bootcon_setup);
+static int console_call_setup(struct console *newcon, char *options)
+{
+ int err;
+
+ if (!newcon->setup)
+ return 0;
+
+ /* Synchronize with possible boot console. */
+ console_lock();
+ err = newcon->setup(newcon, options);
+ console_unlock();
+
+ return err;
+}
+
/*
* This is called by register_console() to try to match
* the newly registered console with any of the ones selected
@@ -3298,8 +3313,8 @@ static int try_enable_preferred_console(struct console *newcon,
if (_braille_register_console(newcon, c))
return 0;
- if (newcon->setup &&
- (err = newcon->setup(newcon, c->options)) != 0)
+ err = console_call_setup(newcon, c->options);
+ if (err)
return err;
}
newcon->flags |= CON_ENABLED;
@@ -3325,7 +3340,7 @@ static void try_enable_default_console(struct console *newcon)
if (newcon->index < 0)
newcon->index = 0;
- if (newcon->setup && newcon->setup(newcon, NULL) != 0)
+ if (console_call_setup(newcon, NULL) != 0)
return;
newcon->flags |= CON_ENABLED;
--
GitLab
From e9b4197e23da2c1d1deb9fea54bf5419da53318c Mon Sep 17 00:00:00 2001
From: Chengming Zhou <zhouchengming@bytedance.com>
Date: Tue, 5 Mar 2024 13:24:42 +0000
Subject: [PATCH 0874/2686] usb: isp1760: remove SLAB_MEM_SPREAD flag usage
The SLAB_MEM_SPREAD flag used to be implemented in SLAB, which was
removed as of v6.8-rc1, so it became a dead flag since the commit
16a1d968358a ("mm/slab: remove mm/slab.c and slab_def.h"). And the
series[1] went on to mark it obsolete explicitly to avoid confusion
for users. Here we can just remove all its users, which has no any
functional change.
[1] https://lore.kernel.org/all/20240223-slab-cleanup-flags-v2-1-02f1753e8303@suse.cz/
Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Acked-by: Rui Miguel Silva <rui.silva@linaro.org>
Link: https://lore.kernel.org/r/20240305132442.2122214-1-chengming.zhou@linux.dev
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/isp1760/isp1760-hcd.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/isp1760/isp1760-hcd.c b/drivers/usb/isp1760/isp1760-hcd.c
index 76862ba40f357..0e5e4cb74c876 100644
--- a/drivers/usb/isp1760/isp1760-hcd.c
+++ b/drivers/usb/isp1760/isp1760-hcd.c
@@ -2521,21 +2521,19 @@ static const struct hc_driver isp1760_hc_driver = {
int __init isp1760_init_kmem_once(void)
{
urb_listitem_cachep = kmem_cache_create("isp1760_urb_listitem",
- sizeof(struct urb_listitem), 0, SLAB_TEMPORARY |
- SLAB_MEM_SPREAD, NULL);
+ sizeof(struct urb_listitem), 0, SLAB_TEMPORARY, NULL);
if (!urb_listitem_cachep)
return -ENOMEM;
qtd_cachep = kmem_cache_create("isp1760_qtd",
- sizeof(struct isp1760_qtd), 0, SLAB_TEMPORARY |
- SLAB_MEM_SPREAD, NULL);
+ sizeof(struct isp1760_qtd), 0, SLAB_TEMPORARY, NULL);
if (!qtd_cachep)
goto destroy_urb_listitem;
qh_cachep = kmem_cache_create("isp1760_qh", sizeof(struct isp1760_qh),
- 0, SLAB_TEMPORARY | SLAB_MEM_SPREAD, NULL);
+ 0, SLAB_TEMPORARY, NULL);
if (!qh_cachep)
goto destroy_qtd;
--
GitLab
From 28cbed496059fe1868203b76e9e0ef285733524d Mon Sep 17 00:00:00 2001
From: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Date: Mon, 4 Mar 2024 11:13:27 +0530
Subject: [PATCH 0875/2686] xhci: Allow RPM on the USB controller (1022:43f7)
by default
Enable runtime PM by default for older AMD 1022:43f7 xHCI 1.1 host as it
is proven to work.
Driver enables runtime PM by default for newer xHCI 1.2 host.
Link: https://lore.kernel.org/all/12335218.O9o76ZdvQC@natalenko.name/
Cc: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240304054327.2564500-1-Basavaraj.Natikar@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-pci.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 1843f3d5b1e60..93b6976480188 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -307,8 +307,11 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
xhci->quirks |= XHCI_RESET_ON_RESUME;
}
- if (pdev->vendor == PCI_VENDOR_ID_AMD)
+ if (pdev->vendor == PCI_VENDOR_ID_AMD) {
xhci->quirks |= XHCI_TRUST_TX_LENGTH;
+ if (pdev->device == 0x43f7)
+ xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
+ }
if ((pdev->vendor == PCI_VENDOR_ID_AMD) &&
((pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4) ||
--
GitLab
From 699b60ba237def5d83c53fbf29be468154ec37a6 Mon Sep 17 00:00:00 2001
From: Erick Archer <erick.archer@gmx.com>
Date: Sat, 17 Feb 2024 16:47:58 +0100
Subject: [PATCH 0876/2686] greybus: audio: apbridgea: Remove flexible array
from struct audio_apbridgea_hdr
When a struct containing a flexible array is included in another struct,
and there is a member after the struct-with-flex-array, there is a
possibility of memory overlap. These cases must be audited [1]. See:
struct inner {
...
int flex[];
};
struct outer {
...
struct inner header;
int overlap;
...
};
This is the scenario for the "struct audio_apbridgea_hdr" structure
that is included in the following "struct audio_apbridgea_*_request"
structures:
struct audio_apbridgea_set_config_request
struct audio_apbridgea_register_cport_request
struct audio_apbridgea_unregister_cport_request
struct audio_apbridgea_set_tx_data_size_request
struct audio_apbridgea_prepare_tx_request
struct audio_apbridgea_start_tx_request
struct audio_apbridgea_stop_tx_request
struct audio_apbridgea_shutdown_tx_request
struct audio_apbridgea_set_rx_data_size_request
struct audio_apbridgea_prepare_rx_request
struct audio_apbridgea_start_rx_request
struct audio_apbridgea_stop_rx_request
struct audio_apbridgea_shutdown_rx_request
The pattern is like the one shown below:
struct audio_apbridgea_hdr {
...
__u8 data[];
} __packed;
struct audio_apbridgea_*_request {
struct audio_apbridgea_hdr hdr;
...
} __packed;
In this case, the trailing flexible array can be removed because it is
never used.
Link: https://github.com/KSPP/linux/issues/202 [1]
Signed-off-by: Erick Archer <erick.archer@gmx.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Acked-by: Mark Greer <mgreer@animalcreek.com>
Link: https://lore.kernel.org/r/20240217154758.7965-1-erick.archer@gmx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/greybus/audio_apbridgea.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/staging/greybus/audio_apbridgea.h b/drivers/staging/greybus/audio_apbridgea.h
index efec0f815efd1..ab707d310129d 100644
--- a/drivers/staging/greybus/audio_apbridgea.h
+++ b/drivers/staging/greybus/audio_apbridgea.h
@@ -65,7 +65,6 @@
struct audio_apbridgea_hdr {
__u8 type;
__le16 i2s_port;
- __u8 data[];
} __packed;
struct audio_apbridgea_set_config_request {
--
GitLab
From 4d44ea3a61c20faedc042874489c2758ae5daca0 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Thu, 29 Feb 2024 12:05:41 +0000
Subject: [PATCH 0877/2686] staging: greybus: Remove redundant variable 'mask'
The variable mask is being assigned and bit-set but it is never
being used apart from this. The variable is redundant and can
be removed.
Cleans up clang scan build warning:
drivers/staging/greybus/audio_topology.c:764:15: warning: variable 'mask'
set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Vaibhav Agarwal <vaibhav.sr@gmail.com>
Link: https://lore.kernel.org/r/20240229120541.219429-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/greybus/audio_topology.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/staging/greybus/audio_topology.c b/drivers/staging/greybus/audio_topology.c
index 08e6a807c1327..5dc4721105d44 100644
--- a/drivers/staging/greybus/audio_topology.c
+++ b/drivers/staging/greybus/audio_topology.c
@@ -761,7 +761,6 @@ static int gbcodec_enum_dapm_ctl_put(struct snd_kcontrol *kcontrol,
{
int ret, wi, ctl_id;
unsigned int val, mux, change;
- unsigned int mask;
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
struct gb_audio_ctl_elem_value gbvalue;
@@ -802,7 +801,6 @@ static int gbcodec_enum_dapm_ctl_put(struct snd_kcontrol *kcontrol,
mux = ucontrol->value.enumerated.item[0];
val = mux << e->shift_l;
- mask = e->mask << e->shift_l;
if (le32_to_cpu(gbvalue.value.enumerated_item[0]) !=
ucontrol->value.enumerated.item[0]) {
@@ -815,7 +813,6 @@ static int gbcodec_enum_dapm_ctl_put(struct snd_kcontrol *kcontrol,
if (ucontrol->value.enumerated.item[1] > e->items - 1)
return -EINVAL;
val |= ucontrol->value.enumerated.item[1] << e->shift_r;
- mask |= e->mask << e->shift_r;
if (le32_to_cpu(gbvalue.value.enumerated_item[1]) !=
ucontrol->value.enumerated.item[1]) {
change = 1;
--
GitLab
From 34164202a5827f60a203ca9acaf2d9f7d432aac8 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Mon, 4 Mar 2024 10:04:48 +0300
Subject: [PATCH 0878/2686] staging: greybus: fix get_channel_from_mode()
failure path
The get_channel_from_mode() function is supposed to return the channel
which matches the mode. But it has a bug where if it doesn't find a
matching channel then it returns the last channel. It should return
NULL instead.
Also remove an unnecessary NULL check on "channel".
Fixes: 2870b52bae4c ("greybus: lights: add lights implementation")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/379c0cb4-39e0-4293-8a18-c7b1298e5420@moroto.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/greybus/light.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c
index 87d36948c6106..c6bd86a5335ab 100644
--- a/drivers/staging/greybus/light.c
+++ b/drivers/staging/greybus/light.c
@@ -100,15 +100,15 @@ static struct led_classdev *get_channel_cdev(struct gb_channel *channel)
static struct gb_channel *get_channel_from_mode(struct gb_light *light,
u32 mode)
{
- struct gb_channel *channel = NULL;
+ struct gb_channel *channel;
int i;
for (i = 0; i < light->channels_count; i++) {
channel = &light->channels[i];
- if (channel && channel->mode == mode)
- break;
+ if (channel->mode == mode)
+ return channel;
}
- return channel;
+ return NULL;
}
static int __gb_lights_flash_intensity_set(struct gb_channel *channel,
--
GitLab
From 7ba59ac7da2aae2fbcfe90352ee40d30cecca10d Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Mon, 4 Mar 2024 13:19:45 -0800
Subject: [PATCH 0879/2686] greybus: Avoid fake flexible array for response
data
FORTIFY_SOURCE has been ignoring 0-sized destinations while the kernel
code base has been converted to flexible arrays. In order to enforce
the 0-sized destinations (e.g. with __counted_by), the remaining 0-sized
destinations need to be handled. Instead of converting an empty struct
into using a flexible array, just directly use a pointer without any
additional indirection. Remove struct gb_bootrom_get_firmware_response
and struct gb_fw_download_fetch_firmware_response.
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20240304211940.it.083-kees@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/greybus/bootrom.c | 8 ++++----
drivers/staging/greybus/fw-download.c | 8 ++++----
include/linux/greybus/greybus_protocols.h | 8 ++------
3 files changed, 10 insertions(+), 14 deletions(-)
diff --git a/drivers/staging/greybus/bootrom.c b/drivers/staging/greybus/bootrom.c
index 79581457c4afb..c0d338db6b525 100644
--- a/drivers/staging/greybus/bootrom.c
+++ b/drivers/staging/greybus/bootrom.c
@@ -243,10 +243,10 @@ static int gb_bootrom_get_firmware(struct gb_operation *op)
struct gb_bootrom *bootrom = gb_connection_get_data(op->connection);
const struct firmware *fw;
struct gb_bootrom_get_firmware_request *firmware_request;
- struct gb_bootrom_get_firmware_response *firmware_response;
struct device *dev = &op->connection->bundle->dev;
unsigned int offset, size;
enum next_request_type next_request;
+ u8 *firmware_response;
int ret = 0;
/* Disable timeouts */
@@ -280,15 +280,15 @@ static int gb_bootrom_get_firmware(struct gb_operation *op)
goto unlock;
}
- if (!gb_operation_response_alloc(op, sizeof(*firmware_response) + size,
- GFP_KERNEL)) {
+ /* gb_bootrom_get_firmware_response contains only a byte array */
+ if (!gb_operation_response_alloc(op, size, GFP_KERNEL)) {
dev_err(dev, "%s: error allocating response\n", __func__);
ret = -ENOMEM;
goto unlock;
}
firmware_response = op->response->payload;
- memcpy(firmware_response->data, fw->data + offset, size);
+ memcpy(firmware_response, fw->data + offset, size);
dev_dbg(dev, "responding with firmware (offs = %u, size = %u)\n",
offset, size);
diff --git a/drivers/staging/greybus/fw-download.c b/drivers/staging/greybus/fw-download.c
index 2a5c6d1b049c8..9a09bd3af79ba 100644
--- a/drivers/staging/greybus/fw-download.c
+++ b/drivers/staging/greybus/fw-download.c
@@ -270,11 +270,11 @@ static int fw_download_fetch_firmware(struct gb_operation *op)
struct gb_connection *connection = op->connection;
struct fw_download *fw_download = gb_connection_get_data(connection);
struct gb_fw_download_fetch_firmware_request *request;
- struct gb_fw_download_fetch_firmware_response *response;
struct fw_request *fw_req;
const struct firmware *fw;
unsigned int offset, size;
u8 firmware_id;
+ u8 *response;
int ret = 0;
if (op->request->payload_size != sizeof(*request)) {
@@ -324,8 +324,8 @@ static int fw_download_fetch_firmware(struct gb_operation *op)
goto put_fw;
}
- if (!gb_operation_response_alloc(op, sizeof(*response) + size,
- GFP_KERNEL)) {
+ /* gb_fw_download_fetch_firmware_response contains only a byte array */
+ if (!gb_operation_response_alloc(op, size, GFP_KERNEL)) {
dev_err(fw_download->parent,
"error allocating fetch firmware response\n");
ret = -ENOMEM;
@@ -333,7 +333,7 @@ static int fw_download_fetch_firmware(struct gb_operation *op)
}
response = op->response->payload;
- memcpy(response->data, fw->data + offset, size);
+ memcpy(response, fw->data + offset, size);
dev_dbg(fw_download->parent,
"responding with firmware (offs = %u, size = %u)\n", offset,
diff --git a/include/linux/greybus/greybus_protocols.h b/include/linux/greybus/greybus_protocols.h
index aeb8f9243545f..820134b0105c2 100644
--- a/include/linux/greybus/greybus_protocols.h
+++ b/include/linux/greybus/greybus_protocols.h
@@ -232,9 +232,7 @@ struct gb_fw_download_fetch_firmware_request {
__le32 size;
} __packed;
-struct gb_fw_download_fetch_firmware_response {
- __u8 data[0];
-} __packed;
+/* gb_fw_download_fetch_firmware_response contains no other data */
/* firmware download release firmware request */
struct gb_fw_download_release_firmware_request {
@@ -414,9 +412,7 @@ struct gb_bootrom_get_firmware_request {
__le32 size;
} __packed;
-struct gb_bootrom_get_firmware_response {
- __u8 data[0];
-} __packed;
+/* gb_bootrom_get_firmware_response contains no other data */
/* Bootrom protocol Ready to boot request */
struct gb_bootrom_ready_to_boot_request {
--
GitLab
From 431f02718e1c5d2caa486d023742ec19f14d705c Mon Sep 17 00:00:00 2001
From: "Moritz C. Weber" <mo.c.weber@gmail.com>
Date: Mon, 19 Feb 2024 12:22:33 +0100
Subject: [PATCH 0880/2686] Staging: vc04_services: bcm2835-camera: fix blank
line style check
Remove blank line to fix checkpatch check:
Increase readability and consistency
Signed-off-by: "Moritz C. Weber" <mo.c.weber@gmail.com>
Link: https://lore.kernel.org/r/20240219112234.8673-2-mo.c.weber@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
index e6e89784d84b9..e6ff5ea04471f 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
@@ -1006,7 +1006,6 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
return 0;
}
-
static int mmal_setup_video_component(struct bcm2835_mmal_dev *dev,
struct v4l2_format *f)
{
--
GitLab
From c3a41e11628e0ff7f6252b95c3025676603b6d90 Mon Sep 17 00:00:00 2001
From: "Moritz C. Weber" <mo.c.weber@gmail.com>
Date: Mon, 19 Feb 2024 12:22:34 +0100
Subject: [PATCH 0881/2686] Staging: vc04_services: bcm2835-camera: fix brace
code style check
Reformat function parameters to fix checkpatch check:
Increase readability and consistency
Signed-off-by: "Moritz C. Weber" <mo.c.weber@gmail.com>
Link: https://lore.kernel.org/r/20240219112234.8673-3-mo.c.weber@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../bcm2835-camera/bcm2835-camera.c | 60 +++++++++----------
1 file changed, 28 insertions(+), 32 deletions(-)
diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
index e6ff5ea04471f..c3ba490e53cb4 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
@@ -350,12 +350,11 @@ static void buffer_cb(struct vchiq_mmal_instance *instance,
if (is_capturing(dev)) {
v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
"Grab another frame");
- vchiq_mmal_port_parameter_set(
- instance,
- dev->capture.camera_port,
- MMAL_PARAMETER_CAPTURE,
- &dev->capture.frame_count,
- sizeof(dev->capture.frame_count));
+ vchiq_mmal_port_parameter_set(instance,
+ dev->capture.camera_port,
+ MMAL_PARAMETER_CAPTURE,
+ &dev->capture.frame_count,
+ sizeof(dev->capture.frame_count));
}
if (vchiq_mmal_submit_buffer(instance, port,
&buf->mmal))
@@ -406,12 +405,11 @@ static void buffer_cb(struct vchiq_mmal_instance *instance,
is_capturing(dev)) {
v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
"Grab another frame as buffer has EOS");
- vchiq_mmal_port_parameter_set(
- instance,
- dev->capture.camera_port,
- MMAL_PARAMETER_CAPTURE,
- &dev->capture.frame_count,
- sizeof(dev->capture.frame_count));
+ vchiq_mmal_port_parameter_set(instance,
+ dev->capture.camera_port,
+ MMAL_PARAMETER_CAPTURE,
+ &dev->capture.frame_count,
+ sizeof(dev->capture.frame_count));
}
}
@@ -420,11 +418,10 @@ static int enable_camera(struct bcm2835_mmal_dev *dev)
int ret;
if (!dev->camera_use_count) {
- ret = vchiq_mmal_port_parameter_set(
- dev->instance,
- &dev->component[COMP_CAMERA]->control,
- MMAL_PARAMETER_CAMERA_NUM, &dev->camera_num,
- sizeof(dev->camera_num));
+ ret = vchiq_mmal_port_parameter_set(dev->instance,
+ &dev->component[COMP_CAMERA]->control,
+ MMAL_PARAMETER_CAMERA_NUM, &dev->camera_num,
+ sizeof(dev->camera_num));
if (ret < 0) {
v4l2_err(&dev->v4l2_dev,
"Failed setting camera num, ret %d\n", ret);
@@ -468,11 +465,11 @@ static int disable_camera(struct bcm2835_mmal_dev *dev)
"Failed disabling camera, ret %d\n", ret);
return -EINVAL;
}
- vchiq_mmal_port_parameter_set(
- dev->instance,
- &dev->component[COMP_CAMERA]->control,
- MMAL_PARAMETER_CAMERA_NUM, &i,
- sizeof(i));
+ vchiq_mmal_port_parameter_set(dev->instance,
+ &dev->component[COMP_CAMERA]->control,
+ MMAL_PARAMETER_CAMERA_NUM,
+ &i,
+ sizeof(i));
}
v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
"Camera refcount now %d\n", dev->camera_use_count);
@@ -786,9 +783,8 @@ static int vidioc_overlay(struct file *file, void *f, unsigned int on)
ret = vchiq_mmal_port_connect_tunnel(dev->instance, src,
NULL);
if (ret >= 0)
- ret = vchiq_mmal_component_disable(
- dev->instance,
- dev->component[COMP_PREVIEW]);
+ ret = vchiq_mmal_component_disable(dev->instance,
+ dev->component[COMP_PREVIEW]);
disable_camera(dev);
return ret;
@@ -1041,8 +1037,8 @@ static int mmal_setup_video_component(struct bcm2835_mmal_dev *dev,
if (overlay_enabled) {
ret = vchiq_mmal_port_connect_tunnel(dev->instance,
- preview_port,
- &dev->component[COMP_PREVIEW]->input[0]);
+ preview_port,
+ &dev->component[COMP_PREVIEW]->input[0]);
if (ret)
return ret;
@@ -1719,11 +1715,11 @@ static int mmal_init(struct bcm2835_mmal_dev *dev)
{
unsigned int enable = 1;
- vchiq_mmal_port_parameter_set(
- dev->instance,
- &dev->component[COMP_VIDEO_ENCODE]->control,
- MMAL_PARAMETER_VIDEO_IMMUTABLE_INPUT,
- &enable, sizeof(enable));
+ vchiq_mmal_port_parameter_set(dev->instance,
+ &dev->component[COMP_VIDEO_ENCODE]->control,
+ MMAL_PARAMETER_VIDEO_IMMUTABLE_INPUT,
+ &enable,
+ sizeof(enable));
vchiq_mmal_port_parameter_set(dev->instance,
&dev->component[COMP_VIDEO_ENCODE]->control,
--
GitLab
From 78152cbae0768c6d6c368f6eca1402ca9b1c3469 Mon Sep 17 00:00:00 2001
From: John Garry <john.g.garry@oracle.com>
Date: Thu, 22 Feb 2024 09:00:42 +0000
Subject: [PATCH 0882/2686] staging: octeon: Don't bother filling in ethtool
driver version
The version is same as the default, so don't bother filling it in.
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240222090042.12609-4-john.g.garry@oracle.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/octeon/ethernet-mdio.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c
index b3049108edc45..211423059e303 100644
--- a/drivers/staging/octeon/ethernet-mdio.c
+++ b/drivers/staging/octeon/ethernet-mdio.c
@@ -10,7 +10,6 @@
#include <linux/phy.h>
#include <linux/ratelimit.h>
#include <linux/of_mdio.h>
-#include <generated/utsrelease.h>
#include <net/dst.h>
#include "octeon-ethernet.h"
@@ -22,7 +21,6 @@ static void cvm_oct_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strscpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
- strscpy(info->version, UTS_RELEASE, sizeof(info->version));
strscpy(info->bus_info, "Builtin", sizeof(info->bus_info));
}
--
GitLab
From 1defb6b73a40ea1e992b20db53ca57bf026bbe0c Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Fri, 1 Mar 2024 18:24:05 -0300
Subject: [PATCH 0883/2686] staging: fieldbus: make fieldbus_class constant
Since commit 43a7206b0963 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the fieldbus_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240301-class_cleanup-staging-v1-1-34db2a5b0eb0@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/fieldbus/dev_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/fieldbus/dev_core.c b/drivers/staging/fieldbus/dev_core.c
index 370a229443a18..0053ebd91442d 100644
--- a/drivers/staging/fieldbus/dev_core.c
+++ b/drivers/staging/fieldbus/dev_core.c
@@ -152,7 +152,7 @@ static const struct attribute_group fieldbus_group = {
};
__ATTRIBUTE_GROUPS(fieldbus);
-static struct class fieldbus_class = {
+static const struct class fieldbus_class = {
.name = "fieldbus_dev",
.dev_groups = fieldbus_groups,
};
--
GitLab
From a2dfaefb26a425e7d1511ce4d7dacb4eb22ca583 Mon Sep 17 00:00:00 2001
From: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Date: Wed, 21 Feb 2024 22:44:47 +0100
Subject: [PATCH 0884/2686] staging: rtl8192e: Remove variables tsf,
beacon_time and Antenna
Remove unused variables tsf, beacon_time and Antenna.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/8f400e46ed16ec7a226284c42654855b2aba6502.1708461563.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 348644998744f..945874c1495d8 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -474,8 +474,6 @@ struct rtllib_rx_stats {
u8 control;
u8 mask;
u16 len;
- u64 tsf;
- u32 beacon_time;
u8 nic_type;
u16 Length;
u8 SignalQuality;
@@ -486,7 +484,6 @@ struct rtllib_rx_stats {
u16 bCRC:1;
u16 bICV:1;
u16 bShortPreamble:1;
- u16 Antenna:1;
u16 Decrypted:1;
u16 Wakeup:1;
u16 Reserved0:1;
--
GitLab
From e5a28bacc54e0df88904b10ed854dbc8843f9e69 Mon Sep 17 00:00:00 2001
From: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Date: Wed, 21 Feb 2024 22:44:57 +0100
Subject: [PATCH 0885/2686] staging: rtl8192e: Remove variables Wakeup,
Reserved0 and AGC
Remove unused variables Wakeup, Reserved0 and AGC.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/ed88686c1e9213dac1cc8f698f7dea8cb5fa01f9.1708461563.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 945874c1495d8..bc4479f7d0893 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -485,9 +485,6 @@ struct rtllib_rx_stats {
u16 bICV:1;
u16 bShortPreamble:1;
u16 Decrypted:1;
- u16 Wakeup:1;
- u16 Reserved0:1;
- u8 AGC;
u32 TimeStampLow;
u32 TimeStampHigh;
bool bShift;
--
GitLab
From 1f49469c39d8ef36cee570aecef461acb3102897 Mon Sep 17 00:00:00 2001
From: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Date: Wed, 21 Feb 2024 22:45:07 +0100
Subject: [PATCH 0886/2686] staging: rtl8192e: Remove unused variable bShift
Remove unused variable bShift as it is set and never evaluated.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/ff505fd05683a59b02ac2e3da115718d8a22735b.1708461563.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 4 ----
drivers/staging/rtl8192e/rtllib.h | 1 -
2 files changed, 5 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index 59110da6c4f36..aeff01e921e4e 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1649,7 +1649,6 @@ bool rtl92e_get_rx_stats(struct net_device *dev, struct rtllib_rx_stats *stats,
stats->bHwError |= 1;
if (stats->bHwError) {
- stats->bShift = false;
return false;
}
@@ -1672,9 +1671,6 @@ bool rtl92e_get_rx_stats(struct net_device *dev, struct rtllib_rx_stats *stats,
stats->TimeStampLow = pDrvInfo->TSFL;
stats->TimeStampHigh = rtl92e_readl(dev, TSFR + 4);
- if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0)
- stats->bShift = 1;
-
stats->RxIs40MHzPacket = pDrvInfo->BW;
_rtl92e_translate_rx_signal_stats(dev, skb, stats, pdesc, pDrvInfo);
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index bc4479f7d0893..1949fad401d09 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -487,7 +487,6 @@ struct rtllib_rx_stats {
u16 Decrypted:1;
u32 TimeStampLow;
u32 TimeStampHigh;
- bool bShift;
bool bIsQosData;
u8 RxDrvInfoSize;
--
GitLab
From fa7b3605bcb2e569877d85957f9ced8337120c60 Mon Sep 17 00:00:00 2001
From: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Date: Wed, 21 Feb 2024 22:45:17 +0100
Subject: [PATCH 0887/2686] staging: rtl8192e: Remove variables bIsQosData and
RxIs40MHzPacket
Remove unused variables bIsQosData and RxIs40MHzPacket as they are set
and never evaluated.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/7a8b579fd3d377fa961fe71e37fe4afa22f2a3b9.1708461563.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 2 --
drivers/staging/rtl8192e/rtllib.h | 2 --
drivers/staging/rtl8192e/rtllib_rx.c | 3 ---
3 files changed, 7 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index aeff01e921e4e..ad453a94b5c70 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1671,8 +1671,6 @@ bool rtl92e_get_rx_stats(struct net_device *dev, struct rtllib_rx_stats *stats,
stats->TimeStampLow = pDrvInfo->TSFL;
stats->TimeStampHigh = rtl92e_readl(dev, TSFR + 4);
- stats->RxIs40MHzPacket = pDrvInfo->BW;
-
_rtl92e_translate_rx_signal_stats(dev, skb, stats, pdesc, pDrvInfo);
skb_trim(skb, skb->len - S_CRC_LEN);
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 1949fad401d09..943a16ead903e 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -487,14 +487,12 @@ struct rtllib_rx_stats {
u16 Decrypted:1;
u32 TimeStampLow;
u32 TimeStampHigh;
- bool bIsQosData;
u8 RxDrvInfoSize;
u8 RxBufShift;
bool bIsAMPDU;
bool bFirstMPDU;
bool bContainHTC;
- bool RxIs40MHzPacket;
u32 RxPWDBAll;
u8 RxMIMOSignalStrength[4];
s8 RxMIMOSignalQuality[2];
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index 29bdaff4cbab9..1e4956fc6754f 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -865,9 +865,6 @@ static size_t rtllib_rx_get_hdrlen(struct rtllib_device *ieee,
rx_stats->bContainHTC = true;
}
- if (RTLLIB_QOS_HAS_SEQ(fc))
- rx_stats->bIsQosData = true;
-
return hdrlen;
}
--
GitLab
From 675fca7ff1cf4ee755d8a5f9a8ddf6263b64a1dc Mon Sep 17 00:00:00 2001
From: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Date: Wed, 21 Feb 2024 22:45:27 +0100
Subject: [PATCH 0888/2686] staging: rtl8192e: Remove variables fraglength and
packetlength
Remove unused variables fraglength and packetlength as they are set and
never evaluated.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/cca48e6e3d4d32010699118d55fd82b1dbc6eda6.1708461563.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 3 ---
drivers/staging/rtl8192e/rtllib.h | 2 --
2 files changed, 5 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index ad453a94b5c70..07218edab746d 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1674,9 +1674,6 @@ bool rtl92e_get_rx_stats(struct net_device *dev, struct rtllib_rx_stats *stats,
_rtl92e_translate_rx_signal_stats(dev, skb, stats, pdesc, pDrvInfo);
skb_trim(skb, skb->len - S_CRC_LEN);
-
- stats->packetlength = stats->Length - 4;
- stats->fraglength = stats->packetlength;
stats->fragoffset = 0;
stats->ntotalfrag = 1;
return true;
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 943a16ead903e..d764de9459e2d 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -499,8 +499,6 @@ struct rtllib_rx_stats {
bool bPacketMatchBSSID;
bool bIsCCK;
bool bPacketToSelf;
- u16 packetlength;
- u16 fraglength;
u16 fragoffset;
u16 ntotalfrag;
bool bPacketBeacon;
--
GitLab
From ae2c814ec4f8bb54f0ea3f21110e5887bb07e89b Mon Sep 17 00:00:00 2001
From: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Date: Wed, 21 Feb 2024 22:45:37 +0100
Subject: [PATCH 0889/2686] staging: rtl8192e: Remove unused variables nic_type
and RxPower
Remove unused variables nic_type and RxPower as they are set and never
evaluated.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/96f8c089aefe6648dad0c68663211b375f016517.1708461563.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 1 -
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 2 --
drivers/staging/rtl8192e/rtllib.h | 2 --
3 files changed, 5 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index 07218edab746d..e7494b5487497 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1295,7 +1295,6 @@ static void _rtl92e_query_rxphystatus(
pwdb_all = rtl92e_rx_db_to_percent(rx_pwr_all);
pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
- pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
pstats->RecvSignalPower = rx_pwr_all;
if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
pdrvinfo->RxRate <= DESC90_RATEMCS15)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 705b94f0911e4..605bce803b5fc 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -1500,8 +1500,6 @@ static void _rtl92e_rx_normal(struct net_device *dev)
};
unsigned int count = priv->rxringcount;
- stats.nic_type = NIC_8192E;
-
while (count--) {
struct rx_desc *pdesc = &priv->rx_ring
[priv->rx_idx];
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index d764de9459e2d..d238fce712a4f 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -474,11 +474,9 @@ struct rtllib_rx_stats {
u8 control;
u8 mask;
u16 len;
- u8 nic_type;
u16 Length;
u8 SignalQuality;
s32 RecvSignalPower;
- s8 RxPower;
u8 SignalStrength;
u16 bHwError:1;
u16 bCRC:1;
--
GitLab
From fcd3b81661f90b36fe7fdc4cefa078889eff5833 Mon Sep 17 00:00:00 2001
From: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Date: Wed, 21 Feb 2024 22:45:49 +0100
Subject: [PATCH 0890/2686] staging: rtl8192e: Remove unused variables
bShortPreamble and fragoffset
Remove unused variables bShortPreamble and fragoffset as they are set and
never evaluated.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/17c516c195acc458366ab182e0fd1200b7e2b1da.1708461563.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 2 --
drivers/staging/rtl8192e/rtllib.h | 2 --
2 files changed, 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index e7494b5487497..f1e97da8f077c 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1659,7 +1659,6 @@ bool rtl92e_get_rx_stats(struct net_device *dev, struct rtllib_rx_stats *stats,
stats->rate = _rtl92e_rate_hw_to_mgn((bool)pDrvInfo->RxHT,
pDrvInfo->RxRate);
- stats->bShortPreamble = pDrvInfo->SPLCP;
_rtl92e_update_received_rate_histogram_stats(dev, stats);
@@ -1673,7 +1672,6 @@ bool rtl92e_get_rx_stats(struct net_device *dev, struct rtllib_rx_stats *stats,
_rtl92e_translate_rx_signal_stats(dev, skb, stats, pdesc, pDrvInfo);
skb_trim(skb, skb->len - S_CRC_LEN);
- stats->fragoffset = 0;
stats->ntotalfrag = 1;
return true;
}
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index d238fce712a4f..6b33643ddae08 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -481,7 +481,6 @@ struct rtllib_rx_stats {
u16 bHwError:1;
u16 bCRC:1;
u16 bICV:1;
- u16 bShortPreamble:1;
u16 Decrypted:1;
u32 TimeStampLow;
u32 TimeStampHigh;
@@ -497,7 +496,6 @@ struct rtllib_rx_stats {
bool bPacketMatchBSSID;
bool bIsCCK;
bool bPacketToSelf;
- u16 fragoffset;
u16 ntotalfrag;
bool bPacketBeacon;
bool bToSelfBA;
--
GitLab
From 7fd0eae5a39f99eafd80ff773c1af012335d32ba Mon Sep 17 00:00:00 2001
From: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Date: Wed, 21 Feb 2024 22:46:01 +0100
Subject: [PATCH 0891/2686] staging: rtl8192e: Remove unused variables
ntotalfrag and Seq_Num
Remove unused variables ntotalfrag and Seq_Num as they are set and never
evaluated. Remove resulting local variables seq, sc and hdr as well.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/4a3f2d217631076ee9994b46f8672eceaea8568c.1708461563.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 8 --------
drivers/staging/rtl8192e/rtllib.h | 2 --
2 files changed, 10 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index f1e97da8f077c..b54dbc97d4bae 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1346,14 +1346,7 @@ static void _rtl92e_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
static u32 slide_beacon_adc_pwdb_index;
static u32 slide_beacon_adc_pwdb_statistics;
static u32 last_beacon_adc_pwdb;
- struct ieee80211_hdr_3addr *hdr;
- u16 sc;
- unsigned int seq;
- hdr = (struct ieee80211_hdr_3addr *)buffer;
- sc = le16_to_cpu(hdr->seq_ctrl);
- seq = WLAN_GET_SEQ_SEQ(sc);
- curr_st->Seq_Num = seq;
if (!prev_st->bIsAMPDU)
bcheck = true;
@@ -1672,7 +1665,6 @@ bool rtl92e_get_rx_stats(struct net_device *dev, struct rtllib_rx_stats *stats,
_rtl92e_translate_rx_signal_stats(dev, skb, stats, pdesc, pDrvInfo);
skb_trim(skb, skb->len - S_CRC_LEN);
- stats->ntotalfrag = 1;
return true;
}
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 6b33643ddae08..c181697254524 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -496,10 +496,8 @@ struct rtllib_rx_stats {
bool bPacketMatchBSSID;
bool bIsCCK;
bool bPacketToSelf;
- u16 ntotalfrag;
bool bPacketBeacon;
bool bToSelfBA;
- u16 Seq_Num;
};
/* IEEE 802.11 requires that STA supports concurrent reception of at least
--
GitLab
From 3c074b77392e33f14bde40e675de268bb71b468e Mon Sep 17 00:00:00 2001
From: Dorine Tipo <dorine.a.tipo@gmail.com>
Date: Tue, 5 Mar 2024 09:23:10 +0000
Subject: [PATCH 0892/2686] Staging: octeon: Match parenthesis alignment
Align the function parameters to silence a checkpatch warning.
Signed-off-by: Dorine Tipo <dorine.a.tipo@gmail.com>
Link: https://lore.kernel.org/r/20240305092310.3594-1-dorine.a.tipo@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/octeon/octeon-stubs.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/octeon/octeon-stubs.h b/drivers/staging/octeon/octeon-stubs.h
index 3e7b92cd2e35e..44cced319c111 100644
--- a/drivers/staging/octeon/octeon-stubs.h
+++ b/drivers/staging/octeon/octeon-stubs.h
@@ -1362,7 +1362,7 @@ static inline struct cvmx_wqe *cvmx_pow_work_request_sync(cvmx_pow_wait_t wait)
}
static inline int cvmx_spi_restart_interface(int interface,
- cvmx_spi_mode_t mode, int timeout)
+ cvmx_spi_mode_t mode, int timeout)
{
return 0;
}
--
GitLab
From fee3297b9f6d97164dc11c44f86e4fdf3f0b06f9 Mon Sep 17 00:00:00 2001
From: Meir Elisha <meir6264@gmail.com>
Date: Tue, 20 Feb 2024 14:28:02 +0200
Subject: [PATCH 0893/2686] Staging: rtl8723bs: Remove unnecessary braces in
rtw_update_ht_cap
Remove braces from single statement blocks to improve coding style.
Signed-off-by: Meir Elisha <meir6264@gmail.com>
Link: https://lore.kernel.org/r/20240220122802.12561-1-meir6264@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8723bs/core/rtw_mlme.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c
index b221913733fb6..5568215b35bd1 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c
@@ -1548,9 +1548,9 @@ void _rtw_join_timeout_handler(struct timer_list *t)
int do_join_r;
do_join_r = rtw_do_join(adapter);
- if (do_join_r != _SUCCESS) {
+ if (do_join_r != _SUCCESS)
continue;
- }
+
break;
} else {
rtw_indicate_disconnect(adapter);
@@ -2432,9 +2432,8 @@ void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len, u8 channe
return;
/* maybe needs check if ap supports rx ampdu. */
- if (!(phtpriv->ampdu_enable) && pregistrypriv->ampdu_enable == 1) {
+ if (!(phtpriv->ampdu_enable) && pregistrypriv->ampdu_enable == 1)
phtpriv->ampdu_enable = true;
- }
/* check Max Rx A-MPDU Size */
len = 0;
--
GitLab
From 6fd529666b9cca0e825479da7bddae4b1ab67eb4 Mon Sep 17 00:00:00 2001
From: Meir Elisha <meir6264@gmail.com>
Date: Thu, 29 Feb 2024 14:14:45 +0200
Subject: [PATCH 0894/2686] Staging: rtl8723bs: Remove dead code from
_rtw_free_network()
Clean dead code from is_same_network() and _rtw_free_network().
Signed-off-by: Meir Elisha <meir6264@gmail.com>
Link: https://lore.kernel.org/r/20240229121445.22257-1-meir6264@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8723bs/core/rtw_mlme.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c
index 5568215b35bd1..bfb27f9027534 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c
@@ -169,7 +169,6 @@ void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwor
{
unsigned int delta_time;
u32 lifetime = SCANQUEUE_LIFETIME;
-/* _irqL irqL; */
struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
if (!pnetwork)
@@ -389,7 +388,6 @@ int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst, u8 fea
d_cap = le16_to_cpu(tmpd);
return (src->ssid.ssid_length == dst->ssid.ssid_length) &&
- /* (src->configuration.ds_config == dst->configuration.ds_config) && */
((!memcmp(src->mac_address, dst->mac_address, ETH_ALEN))) &&
((!memcmp(src->ssid.ssid, dst->ssid.ssid, src->ssid.ssid_length))) &&
((s_cap & WLAN_CAPABILITY_IBSS) ==
--
GitLab
From 8017f5ac5a1cb56ec92d9910342aa494084be5c7 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Mon, 4 Mar 2024 16:10:45 +0000
Subject: [PATCH 0895/2686] staging: rtl8723bs: remove redundant variable
hoffset
Variable hoffset in functions hal_EfuseGetCurrentSize_WiFi and
hal_EfuseGetCurrentSize_BT is being assigned a value but it not
being read for any useful reason at all. The variable is redundant
and can be removed.
Cleans up clang scan build warnings for lines 957 and 1050:
drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c:957:5: warning:
variable 'hoffset' set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240304161045.769912-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)
diff --git a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
index c5219a4a4919d..7a5c3a98183b4 100644
--- a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
+++ b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
@@ -954,7 +954,7 @@ static u16 hal_EfuseGetCurrentSize_WiFi(
#endif
u16 efuse_addr = 0;
u16 start_addr = 0; /* for debug */
- u8 hoffset = 0, hworden = 0;
+ u8 hworden = 0;
u8 efuse_data, word_cnts = 0;
u32 count = 0; /* for debug */
@@ -1001,16 +1001,13 @@ static u16 hal_EfuseGetCurrentSize_WiFi(
}
if (EXT_HEADER(efuse_data)) {
- hoffset = GET_HDR_OFFSET_2_0(efuse_data);
efuse_addr++;
efuse_OneByteRead(padapter, efuse_addr, &efuse_data, bPseudoTest);
if (ALL_WORDS_DISABLED(efuse_data))
continue;
- hoffset |= ((efuse_data & 0xF0) >> 1);
hworden = efuse_data & 0x0F;
} else {
- hoffset = (efuse_data>>4) & 0x0F;
hworden = efuse_data & 0x0F;
}
@@ -1047,7 +1044,7 @@ static u16 hal_EfuseGetCurrentSize_BT(struct adapter *padapter, u8 bPseudoTest)
u16 btusedbytes;
u16 efuse_addr;
u8 bank, startBank;
- u8 hoffset = 0, hworden = 0;
+ u8 hworden = 0;
u8 efuse_data, word_cnts = 0;
u16 retU2 = 0;
@@ -1085,7 +1082,6 @@ static u16 hal_EfuseGetCurrentSize_BT(struct adapter *padapter, u8 bPseudoTest)
break;
if (EXT_HEADER(efuse_data)) {
- hoffset = GET_HDR_OFFSET_2_0(efuse_data);
efuse_addr++;
efuse_OneByteRead(padapter, efuse_addr, &efuse_data, bPseudoTest);
@@ -1094,11 +1090,8 @@ static u16 hal_EfuseGetCurrentSize_BT(struct adapter *padapter, u8 bPseudoTest)
continue;
}
-/* hoffset = ((hoffset & 0xE0) >> 5) | ((efuse_data & 0xF0) >> 1); */
- hoffset |= ((efuse_data & 0xF0) >> 1);
hworden = efuse_data & 0x0F;
} else {
- hoffset = (efuse_data>>4) & 0x0F;
hworden = efuse_data & 0x0F;
}
@@ -1114,18 +1107,15 @@ static u16 hal_EfuseGetCurrentSize_BT(struct adapter *padapter, u8 bPseudoTest)
) {
if (efuse_data != 0xFF) {
if ((efuse_data&0x1F) == 0x0F) { /* extended header */
- hoffset = efuse_data;
efuse_addr++;
efuse_OneByteRead(padapter, efuse_addr, &efuse_data, bPseudoTest);
if ((efuse_data & 0x0F) == 0x0F) {
efuse_addr++;
continue;
} else {
- hoffset = ((hoffset & 0xE0) >> 5) | ((efuse_data & 0xF0) >> 1);
hworden = efuse_data & 0x0F;
}
} else {
- hoffset = (efuse_data>>4) & 0x0F;
hworden = efuse_data & 0x0F;
}
word_cnts = Efuse_CalculateWordCnts(hworden);
--
GitLab
From dadfab23abab4d01d1cdd4592a63ca6151c157ff Mon Sep 17 00:00:00 2001
From: Michael Straube <straube.linux@gmail.com>
Date: Thu, 22 Feb 2024 12:27:21 +0100
Subject: [PATCH 0896/2686] staging: rtl8192e: rename rateIndex to rate_index
Rename the variable rateIndex in the function
_rtl92e_update_received_rate_histogram_stats() to avoid camel case.
rateIndex -> rate_index
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240222112723.18428-2-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../staging/rtl8192e/rtl8192e/r8192E_dev.c | 64 +++++++++----------
1 file changed, 32 insertions(+), 32 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index b54dbc97d4bae..0a3c81e14951f 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1527,7 +1527,7 @@ static void _rtl92e_update_received_rate_histogram_stats(
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
u32 rcvType = 1;
- u32 rateIndex;
+ u32 rate_index;
if (pstats->bCRC)
rcvType = 2;
@@ -1536,95 +1536,95 @@ static void _rtl92e_update_received_rate_histogram_stats(
switch (pstats->rate) {
case MGN_1M:
- rateIndex = 0;
+ rate_index = 0;
break;
case MGN_2M:
- rateIndex = 1;
+ rate_index = 1;
break;
case MGN_5_5M:
- rateIndex = 2;
+ rate_index = 2;
break;
case MGN_11M:
- rateIndex = 3;
+ rate_index = 3;
break;
case MGN_6M:
- rateIndex = 4;
+ rate_index = 4;
break;
case MGN_9M:
- rateIndex = 5;
+ rate_index = 5;
break;
case MGN_12M:
- rateIndex = 6;
+ rate_index = 6;
break;
case MGN_18M:
- rateIndex = 7;
+ rate_index = 7;
break;
case MGN_24M:
- rateIndex = 8;
+ rate_index = 8;
break;
case MGN_36M:
- rateIndex = 9;
+ rate_index = 9;
break;
case MGN_48M:
- rateIndex = 10;
+ rate_index = 10;
break;
case MGN_54M:
- rateIndex = 11;
+ rate_index = 11;
break;
case MGN_MCS0:
- rateIndex = 12;
+ rate_index = 12;
break;
case MGN_MCS1:
- rateIndex = 13;
+ rate_index = 13;
break;
case MGN_MCS2:
- rateIndex = 14;
+ rate_index = 14;
break;
case MGN_MCS3:
- rateIndex = 15;
+ rate_index = 15;
break;
case MGN_MCS4:
- rateIndex = 16;
+ rate_index = 16;
break;
case MGN_MCS5:
- rateIndex = 17;
+ rate_index = 17;
break;
case MGN_MCS6:
- rateIndex = 18;
+ rate_index = 18;
break;
case MGN_MCS7:
- rateIndex = 19;
+ rate_index = 19;
break;
case MGN_MCS8:
- rateIndex = 20;
+ rate_index = 20;
break;
case MGN_MCS9:
- rateIndex = 21;
+ rate_index = 21;
break;
case MGN_MCS10:
- rateIndex = 22;
+ rate_index = 22;
break;
case MGN_MCS11:
- rateIndex = 23;
+ rate_index = 23;
break;
case MGN_MCS12:
- rateIndex = 24;
+ rate_index = 24;
break;
case MGN_MCS13:
- rateIndex = 25;
+ rate_index = 25;
break;
case MGN_MCS14:
- rateIndex = 26;
+ rate_index = 26;
break;
case MGN_MCS15:
- rateIndex = 27;
+ rate_index = 27;
break;
default:
- rateIndex = 28;
+ rate_index = 28;
break;
}
- priv->stats.received_rate_histogram[0][rateIndex]++;
- priv->stats.received_rate_histogram[rcvType][rateIndex]++;
+ priv->stats.received_rate_histogram[0][rate_index]++;
+ priv->stats.received_rate_histogram[rcvType][rate_index]++;
}
bool rtl92e_get_rx_stats(struct net_device *dev, struct rtllib_rx_stats *stats,
--
GitLab
From 53af41337438f0d7b226856f31d973e03591b0d0 Mon Sep 17 00:00:00 2001
From: Michael Straube <straube.linux@gmail.com>
Date: Thu, 22 Feb 2024 12:27:22 +0100
Subject: [PATCH 0897/2686] staging: rtl8192e: remove empty cases from switch
statements
Rmove empty cases from switch statements to improve readability.
All of these empty cases are covered by a default case already.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240222112723.18428-3-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_dm.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
index 57e1a361a7c9f..4b622ad4c534b 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
@@ -1725,7 +1725,6 @@ static void _rtl92e_dm_check_fsync(struct net_device *dev)
_rtl92e_dm_start_hw_fsync(dev);
priv->rtllib->fsync_state = HW_Fsync;
break;
- case HW_Fsync:
default:
break;
}
@@ -1740,7 +1739,6 @@ static void _rtl92e_dm_check_fsync(struct net_device *dev)
_rtl92e_dm_start_sw_fsync(dev);
priv->rtllib->fsync_state = SW_Fsync;
break;
- case SW_Fsync:
default:
break;
}
@@ -1760,7 +1758,6 @@ static void _rtl92e_dm_check_fsync(struct net_device *dev)
_rtl92e_dm_end_sw_fsync(dev);
priv->rtllib->fsync_state = Default_Fsync;
break;
- case Default_Fsync:
default:
break;
}
--
GitLab
From 0ffb45925c15f7763598d302401af05172e727a5 Mon Sep 17 00:00:00 2001
From: Michael Straube <straube.linux@gmail.com>
Date: Thu, 22 Feb 2024 12:27:23 +0100
Subject: [PATCH 0898/2686] staging: rtl8192e: rename enum members to upper
case
Enum members are usually named all upper case. Rename the members of
the enum fsync_state to improve readability and follow the common kernel
coding style.
Default_Fsync -> DEFAULT_FSYNC
HW_Fsync -> HW_FSYNC
SW_Fsync -> SW_FSYNC
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240222112723.18428-4-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_dm.c | 26 +++++++++++-----------
drivers/staging/rtl8192e/rtllib.h | 6 ++---
2 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
index 4b622ad4c534b..bf695b61ca8be 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
@@ -1523,7 +1523,7 @@ static void _rtl92e_dm_init_fsync(struct net_device *dev)
priv->rtllib->fsync_multiple_timeinterval = 3;
priv->rtllib->fsync_firstdiff_ratethreshold = 100;
priv->rtllib->fsync_seconddiff_ratethreshold = 200;
- priv->rtllib->fsync_state = Default_Fsync;
+ priv->rtllib->fsync_state = DEFAULT_FSYNC;
timer_setup(&priv->fsync_timer, _rtl92e_dm_fsync_timer_callback, 0);
}
@@ -1716,28 +1716,28 @@ static void _rtl92e_dm_check_fsync(struct net_device *dev)
priv->rtllib->ht_info->iot_peer == HT_IOT_PEER_BROADCOM) {
if (priv->rtllib->bfsync_enable == 0) {
switch (priv->rtllib->fsync_state) {
- case Default_Fsync:
+ case DEFAULT_FSYNC:
_rtl92e_dm_start_hw_fsync(dev);
- priv->rtllib->fsync_state = HW_Fsync;
+ priv->rtllib->fsync_state = HW_FSYNC;
break;
- case SW_Fsync:
+ case SW_FSYNC:
_rtl92e_dm_end_sw_fsync(dev);
_rtl92e_dm_start_hw_fsync(dev);
- priv->rtllib->fsync_state = HW_Fsync;
+ priv->rtllib->fsync_state = HW_FSYNC;
break;
default:
break;
}
} else {
switch (priv->rtllib->fsync_state) {
- case Default_Fsync:
+ case DEFAULT_FSYNC:
_rtl92e_dm_start_sw_fsync(dev);
- priv->rtllib->fsync_state = SW_Fsync;
+ priv->rtllib->fsync_state = SW_FSYNC;
break;
- case HW_Fsync:
+ case HW_FSYNC:
_rtl92e_dm_end_hw_fsync(dev);
_rtl92e_dm_start_sw_fsync(dev);
- priv->rtllib->fsync_state = SW_Fsync;
+ priv->rtllib->fsync_state = SW_FSYNC;
break;
default:
break;
@@ -1750,13 +1750,13 @@ static void _rtl92e_dm_check_fsync(struct net_device *dev)
}
} else {
switch (priv->rtllib->fsync_state) {
- case HW_Fsync:
+ case HW_FSYNC:
_rtl92e_dm_end_hw_fsync(dev);
- priv->rtllib->fsync_state = Default_Fsync;
+ priv->rtllib->fsync_state = DEFAULT_FSYNC;
break;
- case SW_Fsync:
+ case SW_FSYNC:
_rtl92e_dm_end_sw_fsync(dev);
- priv->rtllib->fsync_state = Default_Fsync;
+ priv->rtllib->fsync_state = DEFAULT_FSYNC;
break;
default:
break;
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index c181697254524..ac6c52b588948 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1031,9 +1031,9 @@ struct rx_reorder_entry {
};
enum fsync_state {
- Default_Fsync,
- HW_Fsync,
- SW_Fsync
+ DEFAULT_FSYNC,
+ HW_FSYNC,
+ SW_FSYNC
};
enum ips_callback_function {
--
GitLab
From f24bbe1b504cfda2e4c62d628786655166ae349c Mon Sep 17 00:00:00 2001
From: Shahar Avidar <ikobh7@gmail.com>
Date: Wed, 28 Feb 2024 00:12:00 +0200
Subject: [PATCH 0899/2686] staging: pi433: Remove a duplicated FIFO_SIZE
define
FIFO_SIZE is being used in both rf69.c & pi433_if.c source files.
It is also already defined in rf69.h header file.
Signed-off-by: Shahar Avidar <ikobh7@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240227221204.534131-2-ikobh7@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/pi433/rf69.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
index 8c7fab6a46bb2..b3b8d1abd3eb9 100644
--- a/drivers/staging/pi433/rf69.c
+++ b/drivers/staging/pi433/rf69.c
@@ -13,7 +13,6 @@
#include "rf69_registers.h"
#define F_OSC 32000000 /* in Hz */
-#define FIFO_SIZE 66 /* in byte */
/*-------------------------------------------------------------------------*/
--
GitLab
From f26b0500d0bb0e06b1c30b2f54750402257e8117 Mon Sep 17 00:00:00 2001
From: Shahar Avidar <ikobh7@gmail.com>
Date: Wed, 28 Feb 2024 00:12:01 +0200
Subject: [PATCH 0900/2686] staging: pi433: Remove a duplicated F_OSC define
F_OSC is already defined & only used by rf69.c source file.
Signed-off-by: Shahar Avidar <ikobh7@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240227221204.534131-3-ikobh7@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/pi433/rf69.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/staging/pi433/rf69.h b/drivers/staging/pi433/rf69.h
index 78fa0b8bab8b0..52e43a909b036 100644
--- a/drivers/staging/pi433/rf69.h
+++ b/drivers/staging/pi433/rf69.h
@@ -12,7 +12,6 @@
#include "rf69_registers.h"
/* NOTE: Modifying FREQUENCY value impacts CE certification */
-#define F_OSC 32000000 /* Hz */
#define FREQUENCY 433920000 /* Hz */
#define FIFO_SIZE 66 /* bytes */
#define FIFO_THRESHOLD 15 /* bytes */
--
GitLab
From a873798c2fde466f431a96a5983e78b95f93b613 Mon Sep 17 00:00:00 2001
From: Shahar Avidar <ikobh7@gmail.com>
Date: Wed, 28 Feb 2024 00:12:02 +0200
Subject: [PATCH 0901/2686] staging: pi433: Redefine F_OSC using units.h macro
Use HZ_PER_MHZ for a more robust definition.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Shahar Avidar <ikobh7@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240227221204.534131-4-ikobh7@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/pi433/rf69.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
index b3b8d1abd3eb9..5a1c362badb61 100644
--- a/drivers/staging/pi433/rf69.c
+++ b/drivers/staging/pi433/rf69.c
@@ -8,11 +8,12 @@
#include <linux/types.h>
#include <linux/spi/spi.h>
+#include <linux/units.h>
#include "rf69.h"
#include "rf69_registers.h"
-#define F_OSC 32000000 /* in Hz */
+#define F_OSC (32 * HZ_PER_MHZ)
/*-------------------------------------------------------------------------*/
--
GitLab
From a6e475e845bd38d00c2e5d2cf705b625dc7839cc Mon Sep 17 00:00:00 2001
From: Shahar Avidar <ikobh7@gmail.com>
Date: Wed, 28 Feb 2024 00:12:03 +0200
Subject: [PATCH 0902/2686] staging: pi433: Remove the unused FREQUENCY define
FREQUENCY is not being used, delete its comment.
Signed-off-by: Shahar Avidar <ikobh7@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240227221204.534131-5-ikobh7@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/pi433/rf69.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/staging/pi433/rf69.h b/drivers/staging/pi433/rf69.h
index 52e43a909b036..e63e87fd6ccef 100644
--- a/drivers/staging/pi433/rf69.h
+++ b/drivers/staging/pi433/rf69.h
@@ -11,8 +11,6 @@
#include "rf69_enum.h"
#include "rf69_registers.h"
-/* NOTE: Modifying FREQUENCY value impacts CE certification */
-#define FREQUENCY 433920000 /* Hz */
#define FIFO_SIZE 66 /* bytes */
#define FIFO_THRESHOLD 15 /* bytes */
--
GitLab
From d48d2aba3ee7ca1f93e9a922e8df543cfb0f5ee9 Mon Sep 17 00:00:00 2001
From: Shahar Avidar <ikobh7@gmail.com>
Date: Wed, 28 Feb 2024 00:12:04 +0200
Subject: [PATCH 0903/2686] staging: pi433: Move FIFO_THRESHOLD define to
source file
FIFO_THRESHOLD is only being used in pi433_if.c source files.
Signed-off-by: Shahar Avidar <ikobh7@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240227221204.534131-6-ikobh7@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/pi433/pi433_if.c | 1 +
drivers/staging/pi433/rf69.h | 1 -
2 files changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index 0ec3130225db1..b6c4917d515e6 100644
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -49,6 +49,7 @@
#define N_PI433_MINORS BIT(MINORBITS) /*32*/ /* ... up to 256 */
#define MAX_MSG_SIZE 900 /* min: FIFO_SIZE! */
#define MSG_FIFO_SIZE 65536 /* 65536 = 2^16 */
+#define FIFO_THRESHOLD 15 /* bytes */
#define NUM_DIO 2
static dev_t pi433_dev;
diff --git a/drivers/staging/pi433/rf69.h b/drivers/staging/pi433/rf69.h
index e63e87fd6ccef..76f0f9896a524 100644
--- a/drivers/staging/pi433/rf69.h
+++ b/drivers/staging/pi433/rf69.h
@@ -12,7 +12,6 @@
#include "rf69_registers.h"
#define FIFO_SIZE 66 /* bytes */
-#define FIFO_THRESHOLD 15 /* bytes */
u8 rf69_read_reg(struct spi_device *spi, u8 addr);
int rf69_get_version(struct spi_device *spi);
--
GitLab
From 7485b3e350c801f5105cc40ee7c1d871e79a47dc Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Thu, 29 Feb 2024 12:01:14 +0000
Subject: [PATCH 0904/2686] staging: fbtft: remove unused variable 'count'
The variable count is being initialized and incremented but it is never
actually referenced in any other way. The variable is redundant and can
be removed.
Cleans up clang scan build warning:
drivers/staging/fbtft/fbtft-core.c:330:6: warning: variable 'count' set
but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240229120114.219085-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/fbtft/fbtft-core.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index 3626f429b002c..f1dd757b5c5c0 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -327,7 +327,6 @@ static void fbtft_deferred_io(struct fb_info *info, struct list_head *pagereflis
unsigned int dirty_lines_start, dirty_lines_end;
struct fb_deferred_io_pageref *pageref;
unsigned int y_low = 0, y_high = 0;
- int count = 0;
spin_lock(&par->dirty_lock);
dirty_lines_start = par->dirty_lines_start;
@@ -339,7 +338,6 @@ static void fbtft_deferred_io(struct fb_info *info, struct list_head *pagereflis
/* Mark display lines as dirty */
list_for_each_entry(pageref, pagereflist, list) {
- count++;
y_low = pageref->offset / info->fix.line_length;
y_high = (pageref->offset + PAGE_SIZE - 1) / info->fix.line_length;
dev_dbg(info->device,
--
GitLab
From 9bed49bfd17c8ffa808c250244ea9adf0497dfd6 Mon Sep 17 00:00:00 2001
From: Jonathan Bergh <bergh.jonathan@gmail.com>
Date: Sun, 3 Mar 2024 11:05:46 +0100
Subject: [PATCH 0905/2686] staging: vme_user: Fix misaligned closing comment
*/
This patch makes the following change:
* Ensures the trailing */ for comments is on the same line as the opening
/*
Signed-off-by: Jonathan Bergh <bergh.jonathan@gmail.com>
Link: https://lore.kernel.org/r/20240303100547.153636-1-bergh.jonathan@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/vme_user/vme_tsi148.h | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/vme_user/vme_tsi148.h b/drivers/staging/vme_user/vme_tsi148.h
index 4dd224d0b86e9..db246cbc54c39 100644
--- a/drivers/staging/vme_user/vme_tsi148.h
+++ b/drivers/staging/vme_user/vme_tsi148.h
@@ -691,8 +691,7 @@ static const int TSI148_GCSR_MBOX[4] = { TSI148_GCSR_MBOX0,
#define TSI148_LCSR_VMCTRL_RMWEN BIT(20) /* RMW Enable */
-#define TSI148_LCSR_VMCTRL_ATO_M (7 << 16) /* Master Access Time-out Mask
- */
+#define TSI148_LCSR_VMCTRL_ATO_M (7 << 16) /* Master Access Time-out Mask */
#define TSI148_LCSR_VMCTRL_ATO_32 (0 << 16) /* 32 us */
#define TSI148_LCSR_VMCTRL_ATO_128 BIT(16) /* 128 us */
#define TSI148_LCSR_VMCTRL_ATO_512 (2 << 16) /* 512 us */
@@ -753,8 +752,7 @@ static const int TSI148_GCSR_MBOX[4] = { TSI148_GCSR_MBOX0,
#define TSI148_LCSR_VCTRL_DLT_16384 (0xB << 24) /* 16384 VCLKS */
#define TSI148_LCSR_VCTRL_DLT_32768 (0xC << 24) /* 32768 VCLKS */
-#define TSI148_LCSR_VCTRL_NERBB BIT(20) /* No Early Release of Bus Busy
- */
+#define TSI148_LCSR_VCTRL_NERBB BIT(20) /* No Early Release of Bus Busy */
#define TSI148_LCSR_VCTRL_SRESET BIT(17) /* System Reset */
#define TSI148_LCSR_VCTRL_LRESET BIT(16) /* Local Reset */
--
GitLab
From d1c4f17f1a1dd1be1a22e198a518e8f682f4013e Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:38 -0800
Subject: [PATCH 0906/2686] Staging: rtl8192e: Rename function
rtllib_rx_ADDBAReq()
Rename function rtllib_rx_ADDBAReq to rtllib_rx_add_ba_req to fix
checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-2-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_BAProc.c | 2 +-
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c
index da7319c124e77..bd1d86e0323d5 100644
--- a/drivers/staging/rtl8192e/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c
@@ -211,7 +211,7 @@ static void rtllib_send_DELBA(struct rtllib_device *ieee, u8 *dst,
netdev_dbg(ieee->dev, "Failed to generate DELBA packet.\n");
}
-int rtllib_rx_ADDBAReq(struct rtllib_device *ieee, struct sk_buff *skb)
+int rtllib_rx_add_ba_req(struct rtllib_device *ieee, struct sk_buff *skb)
{
struct ieee80211_hdr_3addr *req = NULL;
u16 rc = 0;
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index ac6c52b588948..cb7d6b24117ab 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1754,7 +1754,7 @@ u8 ht_c_check(struct rtllib_device *ieee, u8 *pFrame);
void ht_reset_iot_setting(struct rt_hi_throughput *ht_info);
bool is_ht_half_nmode_aps(struct rtllib_device *ieee);
u16 tx_count_to_data_rate(struct rtllib_device *ieee, u8 nDataRate);
-int rtllib_rx_ADDBAReq(struct rtllib_device *ieee, struct sk_buff *skb);
+int rtllib_rx_add_ba_req(struct rtllib_device *ieee, struct sk_buff *skb);
int rtllib_rx_add_ba_rsp(struct rtllib_device *ieee, struct sk_buff *skb);
int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb);
void rtllib_ts_init_add_ba(struct rtllib_device *ieee, struct tx_ts_record *ts,
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 2545ac8963c42..f12ee685e989b 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1551,7 +1551,7 @@ static void rtllib_process_action(struct rtllib_device *ieee,
case ACT_CAT_BA:
switch (*act) {
case ACT_ADDBAREQ:
- rtllib_rx_ADDBAReq(ieee, skb);
+ rtllib_rx_add_ba_req(ieee, skb);
break;
case ACT_ADDBARSP:
rtllib_rx_add_ba_rsp(ieee, skb);
--
GitLab
From 9f965f1efc26c8ff65d02473d985852d181dff6a Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:39 -0800
Subject: [PATCH 0907/2686] Staging: rtl8192e: Rename variable
NumRecvDataInPeriod
Rename variable NumRecvDataInPeriod to num_recv_data_in_period to
fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-3-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 4 ++--
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_rx.c | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 6 +++---
drivers/staging/rtl8192e/rtllib_softmac_wx.c | 4 ++--
5 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 605bce803b5fc..de06b02485256 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -925,7 +925,7 @@ static void _rtl92e_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
priv->rtllib->link_detect_info.RxBcnNum[slot_index] =
priv->rtllib->link_detect_info.num_recv_bcn_in_period;
priv->rtllib->link_detect_info.RxDataNum[slot_index] =
- priv->rtllib->link_detect_info.NumRecvDataInPeriod;
+ priv->rtllib->link_detect_info.num_recv_data_in_period;
for (i = 0; i < priv->rtllib->link_detect_info.slot_num; i++) {
*TotalRxBcnNum += priv->rtllib->link_detect_info.RxBcnNum[i];
*TotalRxDataNum += priv->rtllib->link_detect_info.RxDataNum[i];
@@ -1045,7 +1045,7 @@ static void _rtl92e_watchdog_wq_cb(void *data)
priv->check_roaming_cnt = 0;
}
ieee->link_detect_info.num_recv_bcn_in_period = 0;
- ieee->link_detect_info.NumRecvDataInPeriod = 0;
+ ieee->link_detect_info.num_recv_data_in_period = 0;
}
spin_lock_irqsave(&priv->tx_lock, flags);
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index cb7d6b24117ab..9150019d3cf0e 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1094,7 +1094,7 @@ enum scan_op_backup_opt {
#define RT_MAX_LD_SLOT_NUM 10
struct rt_link_detect {
u32 num_recv_bcn_in_period;
- u32 NumRecvDataInPeriod;
+ u32 num_recv_data_in_period;
u32 RxBcnNum[RT_MAX_LD_SLOT_NUM];
u32 RxDataNum[RT_MAX_LD_SLOT_NUM];
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index 1e4956fc6754f..31c96a6952eb7 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -1280,7 +1280,7 @@ static int rtllib_rx_InfraAdhoc(struct rtllib_device *ieee, struct sk_buff *skb,
/* Filter WAPI DATA Frame */
/* Update statstics for AP roaming */
- ieee->link_detect_info.NumRecvDataInPeriod++;
+ ieee->link_detect_info.num_recv_data_in_period++;
ieee->link_detect_info.num_rx_ok_in_period++;
/* Data frame - extract src/dst addresses */
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index f12ee685e989b..83f337e272092 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1075,9 +1075,9 @@ static void rtllib_associate_complete_wq(void *data)
ieee->current_network.beacon_interval /
500);
if (ieee->link_detect_info.num_recv_bcn_in_period == 0 ||
- ieee->link_detect_info.NumRecvDataInPeriod == 0) {
+ ieee->link_detect_info.num_recv_data_in_period == 0) {
ieee->link_detect_info.num_recv_bcn_in_period = 1;
- ieee->link_detect_info.NumRecvDataInPeriod = 1;
+ ieee->link_detect_info.num_recv_data_in_period = 1;
}
psc->lps_idle_count = 0;
ieee->link_change(ieee->dev);
@@ -2071,7 +2071,7 @@ int rtllib_softmac_init(struct rtllib_device *ieee)
ieee->link_detect_info.slot_index = 0;
ieee->link_detect_info.slot_num = 2;
ieee->link_detect_info.num_recv_bcn_in_period = 0;
- ieee->link_detect_info.NumRecvDataInPeriod = 0;
+ ieee->link_detect_info.num_recv_data_in_period = 0;
ieee->link_detect_info.num_tx_ok_in_period = 0;
ieee->link_detect_info.num_rx_ok_in_period = 0;
ieee->link_detect_info.num_rx_unicast_ok_in_period = 0;
diff --git a/drivers/staging/rtl8192e/rtllib_softmac_wx.c b/drivers/staging/rtl8192e/rtllib_softmac_wx.c
index 4102c2d4f8dd5..d6bc74ba9092b 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac_wx.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac_wx.c
@@ -348,9 +348,9 @@ void rtllib_wx_sync_scan_wq(void *data)
rtllib_sta_ps_send_null_frame(ieee, 0);
if (ieee->link_detect_info.num_recv_bcn_in_period == 0 ||
- ieee->link_detect_info.NumRecvDataInPeriod == 0) {
+ ieee->link_detect_info.num_recv_data_in_period == 0) {
ieee->link_detect_info.num_recv_bcn_in_period = 1;
- ieee->link_detect_info.NumRecvDataInPeriod = 1;
+ ieee->link_detect_info.num_recv_data_in_period = 1;
}
rtllib_wake_all_queues(ieee);
--
GitLab
From 020d29db332275a6bcfad25308c7c4ad7a633cf9 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:40 -0800
Subject: [PATCH 0908/2686] Staging: rtl8192e: Rename function
SecIsInPMKIDList()
Rename function SecIsInPMKIDList to sec_is_in_pmkid_list to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-4-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 83f337e272092..607122ab4b00a 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -664,7 +664,7 @@ static struct sk_buff *rtllib_pspoll_func(struct rtllib_device *ieee)
return skb;
}
-static inline int SecIsInPMKIDList(struct rtllib_device *ieee, u8 *bssid)
+static inline int sec_is_in_pmkid_list(struct rtllib_device *ieee, u8 *bssid)
{
int i = 0;
@@ -747,7 +747,7 @@ rtllib_association_req(struct rtllib_network *beacon,
if (beacon->BssCcxVerNumber >= 2)
cxvernum_ie_len = 5 + 2;
- pmk_cache_idx = SecIsInPMKIDList(ieee, ieee->current_network.bssid);
+ pmk_cache_idx = sec_is_in_pmkid_list(ieee, ieee->current_network.bssid);
if (pmk_cache_idx >= 0) {
wpa_ie_len += 18;
netdev_info(ieee->dev, "[PMK cache]: WPA2 IE length: %x\n",
--
GitLab
From d674c6237d7c0033d912d9eccc60eb5ce609b285 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:41 -0800
Subject: [PATCH 0909/2686] Staging: rtl8192e: Rename variable PMKIDList
Rename variable PMKIDList to pmkid_list to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-5-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 9150019d3cf0e..feee1fc5a91ef 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1264,7 +1264,7 @@ struct rtllib_device {
struct sw_cam_table swcamtable[TOTAL_CAM_ENTRY];
- struct rt_pmkid_list PMKIDList[NUM_PMKID_CACHE];
+ struct rt_pmkid_list pmkid_list[NUM_PMKID_CACHE];
/* Fragmentation structures */
struct rtllib_frag_entry frag_cache[17][RTLLIB_FRAG_CACHE_LEN];
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 607122ab4b00a..a847b6505c42b 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -669,8 +669,8 @@ static inline int sec_is_in_pmkid_list(struct rtllib_device *ieee, u8 *bssid)
int i = 0;
do {
- if ((ieee->PMKIDList[i].used) &&
- (memcmp(ieee->PMKIDList[i].bssid, bssid, ETH_ALEN) == 0))
+ if ((ieee->pmkid_list[i].used) &&
+ (memcmp(ieee->pmkid_list[i].bssid, bssid, ETH_ALEN) == 0))
break;
i++;
} while (i < NUM_PMKID_CACHE);
@@ -881,7 +881,7 @@ rtllib_association_req(struct rtllib_network *beacon,
tag = skb_put(skb, 18);
*tag = 1;
*(tag + 1) = 0;
- memcpy((tag + 2), &ieee->PMKIDList[pmk_cache_idx].PMKID,
+ memcpy((tag + 2), &ieee->pmkid_list[pmk_cache_idx].PMKID,
16);
}
}
--
GitLab
From 9880998b9bfa0e77567d22d7fa3be6370ec7e114 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:42 -0800
Subject: [PATCH 0910/2686] Staging: rtl8192e: Rename variable Turbo_Enable
Rename variable Turbo_Enable to turbo_enable to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-6-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_rx.c | 6 +++---
drivers/staging/rtl8192e/rtllib_softmac.c | 2 +-
3 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index feee1fc5a91ef..51047f014c0fc 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -948,7 +948,7 @@ struct rtllib_network {
u8 wmm_info;
struct rtllib_wmm_ac_param wmm_param[4];
- u8 Turbo_Enable;
+ u8 turbo_enable;
u16 CountryIeLen;
u8 CountryIeBuf[MAX_IE_LEN];
struct bss_ht bssht;
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index 31c96a6952eb7..a258f22787bed 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -1685,7 +1685,7 @@ static void rtllib_parse_mife_generic(struct rtllib_device *ieee,
info_element->data[2] == 0x4c &&
info_element->data[3] == 0x01 &&
info_element->data[4] == 0x02)
- network->Turbo_Enable = 1;
+ network->turbo_enable = 1;
if (*tmp_htcap_len == 0) {
if (info_element->len >= 4 &&
@@ -2180,7 +2180,7 @@ static inline int rtllib_network_init(
network->realtek_cap_exit = false;
network->marvell_cap_exist = false;
network->airgo_cap_exist = false;
- network->Turbo_Enable = 0;
+ network->turbo_enable = 0;
network->SignalStrength = stats->SignalStrength;
network->RSSI = stats->SignalStrength;
network->CountryIeLen = 0;
@@ -2340,7 +2340,7 @@ static inline void update_network(struct rtllib_device *ieee,
dst->SignalStrength = src->SignalStrength;
dst->RSSI = src->RSSI;
- dst->Turbo_Enable = src->Turbo_Enable;
+ dst->turbo_enable = src->turbo_enable;
dst->CountryIeLen = src->CountryIeLen;
memcpy(dst->CountryIeBuf, src->CountryIeBuf, src->CountryIeLen);
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index a847b6505c42b..b189ba220e22d 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -707,7 +707,7 @@ rtllib_association_req(struct rtllib_network *beacon,
2 : 0);
unsigned int wmm_info_len = beacon->qos_data.supported ? 9 : 0;
- unsigned int turbo_info_len = beacon->Turbo_Enable ? 9 : 0;
+ unsigned int turbo_info_len = beacon->turbo_enable ? 9 : 0;
int len = 0;
--
GitLab
From 99a21d5ae578be666f99e7de3ec9f7e46cd7e90d Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:43 -0800
Subject: [PATCH 0911/2686] Staging: rtl8192e: Rename variable osCcxRmCap
Rename variable osCcxRmCap to os_ccx_rm_cap to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-7-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index b189ba220e22d..c3f37e71d6145 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -840,15 +840,15 @@ rtllib_association_req(struct rtllib_network *beacon,
if (beacon->bCcxRmEnable) {
static const u8 CcxRmCapBuf[] = {0x00, 0x40, 0x96, 0x01, 0x01,
0x00};
- struct octet_string osCcxRmCap;
+ struct octet_string os_ccx_rm_cap;
- osCcxRmCap.octet = (u8 *)CcxRmCapBuf;
- osCcxRmCap.Length = sizeof(CcxRmCapBuf);
+ os_ccx_rm_cap.octet = (u8 *)CcxRmCapBuf;
+ os_ccx_rm_cap.Length = sizeof(CcxRmCapBuf);
tag = skb_put(skb, ccxrm_ie_len);
*tag++ = MFIE_TYPE_GENERIC;
- *tag++ = osCcxRmCap.Length;
- memcpy(tag, osCcxRmCap.octet, osCcxRmCap.Length);
- tag += osCcxRmCap.Length;
+ *tag++ = os_ccx_rm_cap.Length;
+ memcpy(tag, os_ccx_rm_cap.octet, os_ccx_rm_cap.Length);
+ tag += os_ccx_rm_cap.Length;
}
if (beacon->BssCcxVerNumber >= 2) {
--
GitLab
From ce0ba55088eb4a5a75f6c8efbcfd3148abc27ab4 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:44 -0800
Subject: [PATCH 0912/2686] Staging: rtl8192e: Rename variable bCkipSupported
Rename variable bCkipSupported to ckip_supported to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-8-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_rx.c | 8 ++++----
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
3 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 51047f014c0fc..cba3f7e7fb850 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -911,7 +911,7 @@ struct rtllib_network {
struct rtllib_qos_data qos_data;
bool bWithAironetIE;
- bool bCkipSupported;
+ bool ckip_supported;
bool bCcxRmEnable;
u8 CcxRmState[2];
bool bMBssidValid;
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index a258f22787bed..a6e97ca6a7834 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -2096,12 +2096,12 @@ int rtllib_parse_info_param(struct rtllib_device *ieee,
& SUPPORT_CKIP_MIC) ||
(info_element->data[IE_CISCO_FLAG_POSITION]
& SUPPORT_CKIP_PK))
- network->bCkipSupported = true;
+ network->ckip_supported = true;
else
- network->bCkipSupported = false;
+ network->ckip_supported = false;
} else {
network->bWithAironetIE = false;
- network->bCkipSupported = false;
+ network->ckip_supported = false;
}
break;
case MFIE_TYPE_QOS_PARAMETER:
@@ -2346,7 +2346,7 @@ static inline void update_network(struct rtllib_device *ieee,
memcpy(dst->CountryIeBuf, src->CountryIeBuf, src->CountryIeLen);
dst->bWithAironetIE = src->bWithAironetIE;
- dst->bCkipSupported = src->bCkipSupported;
+ dst->ckip_supported = src->ckip_supported;
memcpy(dst->CcxRmState, src->CcxRmState, 2);
dst->bCcxRmEnable = src->bCcxRmEnable;
dst->MBssidMask = src->MBssidMask;
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index c3f37e71d6145..0915f4f8761f9 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -740,7 +740,7 @@ rtllib_association_req(struct rtllib_network *beacon,
}
}
- if (beacon->bCkipSupported)
+ if (beacon->ckip_supported)
ckip_ie_len = 30 + 2;
if (beacon->bCcxRmEnable)
ccxrm_ie_len = 6 + 2;
@@ -817,7 +817,7 @@ rtllib_association_req(struct rtllib_network *beacon,
*tag++ = beacon->rates_ex[i];
}
- if (beacon->bCkipSupported) {
+ if (beacon->ckip_supported) {
static const u8 AironetIeOui[] = {0x00, 0x01, 0x66};
u8 CcxAironetBuf[30];
struct octet_string osCcxAironetIE;
--
GitLab
From 98d602e87c9f11a63626a589f6969fd6afc241a8 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:45 -0800
Subject: [PATCH 0913/2686] Staging: rtl8192e: Rename variable bCcxRmEnable
Rename variable bCcxRmEnable to ccx_rm_enable to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-9-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_rx.c | 8 ++++----
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
3 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index cba3f7e7fb850..aae4c62ff2864 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -912,7 +912,7 @@ struct rtllib_network {
bool bWithAironetIE;
bool ckip_supported;
- bool bCcxRmEnable;
+ bool ccx_rm_enable;
u8 CcxRmState[2];
bool bMBssidValid;
u8 MBssidMask;
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index a6e97ca6a7834..79d74f0ec3b46 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -1815,9 +1815,9 @@ static void rtllib_parse_mife_generic(struct rtllib_device *ieee,
if (info_element->len == 6) {
memcpy(network->CcxRmState, &info_element->data[4], 2);
if (network->CcxRmState[0] != 0)
- network->bCcxRmEnable = true;
+ network->ccx_rm_enable = true;
else
- network->bCcxRmEnable = false;
+ network->ccx_rm_enable = false;
network->MBssidMask = network->CcxRmState[1] & 0x07;
if (network->MBssidMask != 0) {
network->bMBssidValid = true;
@@ -1830,7 +1830,7 @@ static void rtllib_parse_mife_generic(struct rtllib_device *ieee,
network->bMBssidValid = false;
}
} else {
- network->bCcxRmEnable = false;
+ network->ccx_rm_enable = false;
}
}
if (info_element->len > 4 &&
@@ -2348,7 +2348,7 @@ static inline void update_network(struct rtllib_device *ieee,
dst->bWithAironetIE = src->bWithAironetIE;
dst->ckip_supported = src->ckip_supported;
memcpy(dst->CcxRmState, src->CcxRmState, 2);
- dst->bCcxRmEnable = src->bCcxRmEnable;
+ dst->ccx_rm_enable = src->ccx_rm_enable;
dst->MBssidMask = src->MBssidMask;
dst->bMBssidValid = src->bMBssidValid;
memcpy(dst->MBssid, src->MBssid, 6);
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 0915f4f8761f9..f5e0741af0471 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -742,7 +742,7 @@ rtllib_association_req(struct rtllib_network *beacon,
if (beacon->ckip_supported)
ckip_ie_len = 30 + 2;
- if (beacon->bCcxRmEnable)
+ if (beacon->ccx_rm_enable)
ccxrm_ie_len = 6 + 2;
if (beacon->BssCcxVerNumber >= 2)
cxvernum_ie_len = 5 + 2;
@@ -837,7 +837,7 @@ rtllib_association_req(struct rtllib_network *beacon,
tag += osCcxAironetIE.Length;
}
- if (beacon->bCcxRmEnable) {
+ if (beacon->ccx_rm_enable) {
static const u8 CcxRmCapBuf[] = {0x00, 0x40, 0x96, 0x01, 0x01,
0x00};
struct octet_string os_ccx_rm_cap;
--
GitLab
From fbf63623ca47c853d20cb1c27b8ac7844c7f4058 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:46 -0800
Subject: [PATCH 0914/2686] Staging: rtl8192e: Rename variable CcxRmCapBuf
Rename variable CcxRmCapBuf to ccx_rm_cap_buf to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-10-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index f5e0741af0471..477d736fe22d4 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -838,12 +838,12 @@ rtllib_association_req(struct rtllib_network *beacon,
}
if (beacon->ccx_rm_enable) {
- static const u8 CcxRmCapBuf[] = {0x00, 0x40, 0x96, 0x01, 0x01,
+ static const u8 ccx_rm_cap_buf[] = {0x00, 0x40, 0x96, 0x01, 0x01,
0x00};
struct octet_string os_ccx_rm_cap;
- os_ccx_rm_cap.octet = (u8 *)CcxRmCapBuf;
- os_ccx_rm_cap.Length = sizeof(CcxRmCapBuf);
+ os_ccx_rm_cap.octet = (u8 *)ccx_rm_cap_buf;
+ os_ccx_rm_cap.Length = sizeof(ccx_rm_cap_buf);
tag = skb_put(skb, ccxrm_ie_len);
*tag++ = MFIE_TYPE_GENERIC;
*tag++ = os_ccx_rm_cap.Length;
--
GitLab
From ba15ff4840e53c130983188fd2855ae1e45a281c Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:47 -0800
Subject: [PATCH 0915/2686] Staging: rtl8192e: Rename variable BssCcxVerNumber
Rename variable BssCcxVerNumber to bss_ccx_ver_number to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-11-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_rx.c | 6 +++---
drivers/staging/rtl8192e/rtllib_softmac.c | 6 +++---
3 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index aae4c62ff2864..f5dade9e9a908 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -918,7 +918,7 @@ struct rtllib_network {
u8 MBssidMask;
u8 MBssid[ETH_ALEN];
bool bWithCcxVerNum;
- u8 BssCcxVerNumber;
+ u8 bss_ccx_ver_number;
/* These are network statistics */
struct rtllib_rx_stats stats;
u16 capability;
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index 79d74f0ec3b46..d51b19176f7a0 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -1840,10 +1840,10 @@ static void rtllib_parse_mife_generic(struct rtllib_device *ieee,
info_element->data[3] == 0x03) {
if (info_element->len == 5) {
network->bWithCcxVerNum = true;
- network->BssCcxVerNumber = info_element->data[4];
+ network->bss_ccx_ver_number = info_element->data[4];
} else {
network->bWithCcxVerNum = false;
- network->BssCcxVerNumber = 0;
+ network->bss_ccx_ver_number = 0;
}
}
if (info_element->len > 4 &&
@@ -2353,7 +2353,7 @@ static inline void update_network(struct rtllib_device *ieee,
dst->bMBssidValid = src->bMBssidValid;
memcpy(dst->MBssid, src->MBssid, 6);
dst->bWithCcxVerNum = src->bWithCcxVerNum;
- dst->BssCcxVerNumber = src->BssCcxVerNumber;
+ dst->bss_ccx_ver_number = src->bss_ccx_ver_number;
}
static int IsPassiveChannel(struct rtllib_device *rtllib, u8 channel)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 477d736fe22d4..794c50b2737ec 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -744,7 +744,7 @@ rtllib_association_req(struct rtllib_network *beacon,
ckip_ie_len = 30 + 2;
if (beacon->ccx_rm_enable)
ccxrm_ie_len = 6 + 2;
- if (beacon->BssCcxVerNumber >= 2)
+ if (beacon->bss_ccx_ver_number >= 2)
cxvernum_ie_len = 5 + 2;
pmk_cache_idx = sec_is_in_pmkid_list(ieee, ieee->current_network.bssid);
@@ -851,11 +851,11 @@ rtllib_association_req(struct rtllib_network *beacon,
tag += os_ccx_rm_cap.Length;
}
- if (beacon->BssCcxVerNumber >= 2) {
+ if (beacon->bss_ccx_ver_number >= 2) {
u8 CcxVerNumBuf[] = {0x00, 0x40, 0x96, 0x03, 0x00};
struct octet_string osCcxVerNum;
- CcxVerNumBuf[4] = beacon->BssCcxVerNumber;
+ CcxVerNumBuf[4] = beacon->bss_ccx_ver_number;
osCcxVerNum.octet = CcxVerNumBuf;
osCcxVerNum.Length = sizeof(CcxVerNumBuf);
tag = skb_put(skb, cxvernum_ie_len);
--
GitLab
From 2c6dc84871bc900e843c480f4ecc97d9a283077f Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:48 -0800
Subject: [PATCH 0916/2686] Staging: rtl8192e: Rename variable CcxVerNumBuf
Rename variable CcxVerNumBuf to ccx_ver_num_buf to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-12-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 794c50b2737ec..3e26375a5622c 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -852,12 +852,12 @@ rtllib_association_req(struct rtllib_network *beacon,
}
if (beacon->bss_ccx_ver_number >= 2) {
- u8 CcxVerNumBuf[] = {0x00, 0x40, 0x96, 0x03, 0x00};
+ u8 ccx_ver_num_buf[] = {0x00, 0x40, 0x96, 0x03, 0x00};
struct octet_string osCcxVerNum;
- CcxVerNumBuf[4] = beacon->bss_ccx_ver_number;
- osCcxVerNum.octet = CcxVerNumBuf;
- osCcxVerNum.Length = sizeof(CcxVerNumBuf);
+ ccx_ver_num_buf[4] = beacon->bss_ccx_ver_number;
+ osCcxVerNum.octet = ccx_ver_num_buf;
+ osCcxVerNum.Length = sizeof(ccx_ver_num_buf);
tag = skb_put(skb, cxvernum_ie_len);
*tag++ = MFIE_TYPE_GENERIC;
*tag++ = osCcxVerNum.Length;
--
GitLab
From 0c5d6ec42d575e14de3a0de25ba4dcf1737eb992 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:49 -0800
Subject: [PATCH 0917/2686] Staging: rtl8192e: Rename variable asRsn
Rename variable asRsn to rsn to fix checkpatch warning
Avoid CamelCase, and adjust spacing to avoid alignment check.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-13-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib.h | 4 ++--
drivers/staging/rtl8192e/rtllib_softmac.c | 24 +++++++++++------------
2 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index f5dade9e9a908..f66a26a320eae 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1645,7 +1645,7 @@ int rtllib_rx_frame_softmac(struct rtllib_device *ieee, struct sk_buff *skb,
void rtllib_softmac_new_net(struct rtllib_device *ieee,
struct rtllib_network *net);
-void send_disassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn);
+void send_disassociation(struct rtllib_device *ieee, bool deauth, u16 rsn);
void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee);
int rtllib_softmac_init(struct rtllib_device *ieee);
@@ -1788,7 +1788,7 @@ static inline const char *escape_essid(const char *essid, u8 essid_len)
}
/* fun with the built-in rtllib stack... */
-bool rtllib_mgnt_disconnect(struct rtllib_device *rtllib, u8 asRsn);
+bool rtllib_mgnt_disconnect(struct rtllib_device *rtllib, u8 rsn);
/* For the function is more related to hardware setting, it's better to use the
* ieee handler to refer to it.
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 3e26375a5622c..880ce2bfd0eb8 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -2144,7 +2144,7 @@ void rtllib_softmac_free(struct rtllib_device *ieee)
static inline struct sk_buff *
rtllib_disauth_skb(struct rtllib_network *beacon,
- struct rtllib_device *ieee, u16 asRsn)
+ struct rtllib_device *ieee, u16 rsn)
{
struct sk_buff *skb;
struct rtllib_disauth *disauth;
@@ -2164,13 +2164,13 @@ rtllib_disauth_skb(struct rtllib_network *beacon,
ether_addr_copy(disauth->header.addr2, ieee->dev->dev_addr);
ether_addr_copy(disauth->header.addr3, beacon->bssid);
- disauth->reason = cpu_to_le16(asRsn);
+ disauth->reason = cpu_to_le16(rsn);
return skb;
}
static inline struct sk_buff *
rtllib_disassociate_skb(struct rtllib_network *beacon,
- struct rtllib_device *ieee, u16 asRsn)
+ struct rtllib_device *ieee, u16 rsn)
{
struct sk_buff *skb;
struct rtllib_disassoc *disass;
@@ -2191,19 +2191,19 @@ rtllib_disassociate_skb(struct rtllib_network *beacon,
ether_addr_copy(disass->header.addr2, ieee->dev->dev_addr);
ether_addr_copy(disass->header.addr3, beacon->bssid);
- disass->reason = cpu_to_le16(asRsn);
+ disass->reason = cpu_to_le16(rsn);
return skb;
}
-void send_disassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn)
+void send_disassociation(struct rtllib_device *ieee, bool deauth, u16 rsn)
{
struct rtllib_network *beacon = &ieee->current_network;
struct sk_buff *skb;
if (deauth)
- skb = rtllib_disauth_skb(beacon, ieee, asRsn);
+ skb = rtllib_disauth_skb(beacon, ieee, rsn);
else
- skb = rtllib_disassociate_skb(beacon, ieee, asRsn);
+ skb = rtllib_disassociate_skb(beacon, ieee, rsn);
if (skb)
softmac_mgmt_xmit(skb, ieee);
@@ -2238,7 +2238,7 @@ u8 rtllib_ap_sec_type(struct rtllib_device *ieee)
}
static void rtllib_mlme_disassociate_request(struct rtllib_device *rtllib,
- u8 *asSta, u8 asRsn)
+ u8 *asSta, u8 rsn)
{
u8 i;
u8 op_mode;
@@ -2261,7 +2261,7 @@ static void rtllib_mlme_disassociate_request(struct rtllib_device *rtllib,
}
}
-static void rtllib_mgnt_disconnect_ap(struct rtllib_device *rtllib, u8 asRsn)
+static void rtllib_mgnt_disconnect_ap(struct rtllib_device *rtllib, u8 rsn)
{
bool filter_out_nonassociated_bssid = false;
@@ -2269,19 +2269,19 @@ static void rtllib_mgnt_disconnect_ap(struct rtllib_device *rtllib, u8 asRsn)
rtllib->set_hw_reg_handler(rtllib->dev, HW_VAR_CECHK_BSSID,
(u8 *)(&filter_out_nonassociated_bssid));
rtllib_mlme_disassociate_request(rtllib, rtllib->current_network.bssid,
- asRsn);
+ rsn);
rtllib->link_state = MAC80211_NOLINK;
}
-bool rtllib_mgnt_disconnect(struct rtllib_device *rtllib, u8 asRsn)
+bool rtllib_mgnt_disconnect(struct rtllib_device *rtllib, u8 rsn)
{
if (rtllib->ps != RTLLIB_PS_DISABLED)
rtllib->sta_wake_up(rtllib->dev);
if (rtllib->link_state == MAC80211_LINKED) {
if (rtllib->iw_mode == IW_MODE_INFRA)
- rtllib_mgnt_disconnect_ap(rtllib, asRsn);
+ rtllib_mgnt_disconnect_ap(rtllib, rsn);
}
return true;
--
GitLab
From b526e4960a2cdb9d95d3ac96a90e7cd6d250ae57 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:50 -0800
Subject: [PATCH 0918/2686] Staging: rtl8192e: Rename variable AironetIeOui
Rename variable AironetIeOui to aironet_ie_oui to fix checkpatch warning
Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-14-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 880ce2bfd0eb8..da8be4383d699 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -818,15 +818,15 @@ rtllib_association_req(struct rtllib_network *beacon,
}
if (beacon->ckip_supported) {
- static const u8 AironetIeOui[] = {0x00, 0x01, 0x66};
+ static const u8 aironet_ie_oui[] = {0x00, 0x01, 0x66};
u8 CcxAironetBuf[30];
struct octet_string osCcxAironetIE;
memset(CcxAironetBuf, 0, 30);
osCcxAironetIE.octet = CcxAironetBuf;
osCcxAironetIE.Length = sizeof(CcxAironetBuf);
- memcpy(osCcxAironetIE.octet, AironetIeOui,
- sizeof(AironetIeOui));
+ memcpy(osCcxAironetIE.octet, aironet_ie_oui,
+ sizeof(aironet_ie_oui));
osCcxAironetIE.octet[IE_CISCO_FLAG_POSITION] |=
(SUPPORT_CKIP_PK | SUPPORT_CKIP_MIC);
--
GitLab
From cfbcf6df4a7e37a56111e8715948220566e0b076 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:51 -0800
Subject: [PATCH 0919/2686] Staging: rtl8192e: Rename variable osCcxAironetIE
Rename variable osCcxAironetIE to os_ccx_aironet_ie to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-15-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index da8be4383d699..0907bee45dbf9 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -820,21 +820,21 @@ rtllib_association_req(struct rtllib_network *beacon,
if (beacon->ckip_supported) {
static const u8 aironet_ie_oui[] = {0x00, 0x01, 0x66};
u8 CcxAironetBuf[30];
- struct octet_string osCcxAironetIE;
+ struct octet_string os_ccx_aironet_ie;
memset(CcxAironetBuf, 0, 30);
- osCcxAironetIE.octet = CcxAironetBuf;
- osCcxAironetIE.Length = sizeof(CcxAironetBuf);
- memcpy(osCcxAironetIE.octet, aironet_ie_oui,
+ os_ccx_aironet_ie.octet = CcxAironetBuf;
+ os_ccx_aironet_ie.Length = sizeof(CcxAironetBuf);
+ memcpy(os_ccx_aironet_ie.octet, aironet_ie_oui,
sizeof(aironet_ie_oui));
- osCcxAironetIE.octet[IE_CISCO_FLAG_POSITION] |=
+ os_ccx_aironet_ie.octet[IE_CISCO_FLAG_POSITION] |=
(SUPPORT_CKIP_PK | SUPPORT_CKIP_MIC);
tag = skb_put(skb, ckip_ie_len);
*tag++ = MFIE_TYPE_AIRONET;
- *tag++ = osCcxAironetIE.Length;
- memcpy(tag, osCcxAironetIE.octet, osCcxAironetIE.Length);
- tag += osCcxAironetIE.Length;
+ *tag++ = os_ccx_aironet_ie.Length;
+ memcpy(tag, os_ccx_aironet_ie.octet, os_ccx_aironet_ie.Length);
+ tag += os_ccx_aironet_ie.Length;
}
if (beacon->ccx_rm_enable) {
--
GitLab
From 39db18ddf68aaf8317388c0e547eb8acb4b1cee7 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:52 -0800
Subject: [PATCH 0920/2686] Staging: rtl8192e: Rename variable CcxAironetBuf
Rename variable CcxAironetBuf to ccx_aironet_buf to fix checkpatch warning
Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-16-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 0907bee45dbf9..51fa9db7d73c5 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -819,12 +819,12 @@ rtllib_association_req(struct rtllib_network *beacon,
if (beacon->ckip_supported) {
static const u8 aironet_ie_oui[] = {0x00, 0x01, 0x66};
- u8 CcxAironetBuf[30];
+ u8 ccx_aironet_buf[30];
struct octet_string os_ccx_aironet_ie;
- memset(CcxAironetBuf, 0, 30);
- os_ccx_aironet_ie.octet = CcxAironetBuf;
- os_ccx_aironet_ie.Length = sizeof(CcxAironetBuf);
+ memset(ccx_aironet_buf, 0, 30);
+ os_ccx_aironet_ie.octet = ccx_aironet_buf;
+ os_ccx_aironet_ie.Length = sizeof(ccx_aironet_buf);
memcpy(os_ccx_aironet_ie.octet, aironet_ie_oui,
sizeof(aironet_ie_oui));
--
GitLab
From 41df5318a8ca50e053e4669764b7cf1cc368d9ac Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:53 -0800
Subject: [PATCH 0921/2686] Staging: rtl8192e: Rename varoable osCcxVerNum
Rename variable osCcxVerNum to os_vcx_ver_num to fix checkpatch warning
Avoid CamelCase,
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-17-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 51fa9db7d73c5..567891123960c 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -853,16 +853,16 @@ rtllib_association_req(struct rtllib_network *beacon,
if (beacon->bss_ccx_ver_number >= 2) {
u8 ccx_ver_num_buf[] = {0x00, 0x40, 0x96, 0x03, 0x00};
- struct octet_string osCcxVerNum;
+ struct octet_string os_ccx_ver_num;
ccx_ver_num_buf[4] = beacon->bss_ccx_ver_number;
- osCcxVerNum.octet = ccx_ver_num_buf;
- osCcxVerNum.Length = sizeof(ccx_ver_num_buf);
+ os_ccx_ver_num.octet = ccx_ver_num_buf;
+ os_ccx_ver_num.Length = sizeof(ccx_ver_num_buf);
tag = skb_put(skb, cxvernum_ie_len);
*tag++ = MFIE_TYPE_GENERIC;
- *tag++ = osCcxVerNum.Length;
- memcpy(tag, osCcxVerNum.octet, osCcxVerNum.Length);
- tag += osCcxVerNum.Length;
+ *tag++ = os_ccx_ver_num.Length;
+ memcpy(tag, os_ccx_ver_num.octet, os_ccx_ver_num.Length);
+ tag += os_ccx_ver_num.Length;
}
if (ieee->ht_info->current_ht_support && ieee->ht_info->enable_ht) {
if (ieee->ht_info->peer_ht_spec_ver != HT_SPEC_VER_EWC) {
--
GitLab
From 99c7328a0c5f7766cb2baef4ef614edd6f2f9cea Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:54 -0800
Subject: [PATCH 0922/2686] Staging: rtl8192e: Rename varoable asSta
Rename variable asSta to addr as it references bssid addr,
and fixes checkpatch warning Avoid CamelCase,
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-18-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 567891123960c..d198952208784 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -2238,14 +2238,14 @@ u8 rtllib_ap_sec_type(struct rtllib_device *ieee)
}
static void rtllib_mlme_disassociate_request(struct rtllib_device *rtllib,
- u8 *asSta, u8 rsn)
+ u8 *addr, u8 rsn)
{
u8 i;
u8 op_mode;
- remove_peer_ts(rtllib, asSta);
+ remove_peer_ts(rtllib, addr);
- if (memcmp(rtllib->current_network.bssid, asSta, 6) == 0) {
+ if (memcmp(rtllib->current_network.bssid, addr, 6) == 0) {
rtllib->link_state = MAC80211_NOLINK;
for (i = 0; i < 6; i++)
--
GitLab
From a033871ace33673c96f59681f9a16b4f1b661e2c Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:55 -0800
Subject: [PATCH 0923/2686] Staging: rtl8192e: Rename reference
AllowAllDestAddrHandler
Rename variable AllowAllDestAddrHandler to allow_all_dest_addr_handler
to fix checkpatch warning Avoid CamelCase,
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-19-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 2 +-
drivers/staging/rtl8192e/rtllib.h | 5 +++--
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
3 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index de06b02485256..bf457df5b2bce 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -661,7 +661,7 @@ static void _rtl92e_init_priv_handler(struct net_device *dev)
rtl92e_is_halfn_supported_by_ap;
priv->rtllib->set_hw_reg_handler = rtl92e_set_reg;
- priv->rtllib->AllowAllDestAddrHandler = rtl92e_set_monitor_mode;
+ priv->rtllib->allow_all_dest_addr_handler = rtl92e_set_monitor_mode;
priv->rtllib->init_gain_handler = rtl92e_init_gain;
priv->rtllib->rtllib_ips_leave_wq = rtl92e_rtllib_ips_leave_wq;
priv->rtllib->rtllib_ips_leave = rtl92e_rtllib_ips_leave;
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index f66a26a320eae..66c92b03b2884 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1476,8 +1476,9 @@ struct rtllib_device {
u8 Operation);
void (*set_hw_reg_handler)(struct net_device *dev, u8 variable, u8 *val);
- void (*AllowAllDestAddrHandler)(struct net_device *dev,
- bool bAllowAllDA, bool WriteIntoReg);
+ void (*allow_all_dest_addr_handler)(struct net_device *dev,
+ bool bAllowAllDA,
+ bool WriteIntoReg);
void (*rtllib_ips_leave_wq)(struct net_device *dev);
void (*rtllib_ips_leave)(struct net_device *dev);
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index d198952208784..c335b24fa08bb 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -355,7 +355,7 @@ void rtllib_enable_net_monitor_mode(struct net_device *dev,
netdev_info(dev, "========>Enter Monitor Mode\n");
- ieee->AllowAllDestAddrHandler(dev, true, !init_state);
+ ieee->allow_all_dest_addr_handler(dev, true, !init_state);
}
/* Disables network monitor mode. Only packets destinated to
@@ -367,7 +367,7 @@ void rtllib_disable_net_monitor_mode(struct net_device *dev, bool init_state)
netdev_info(dev, "========>Exit Monitor Mode\n");
- ieee->AllowAllDestAddrHandler(dev, false, !init_state);
+ ieee->allow_all_dest_addr_handler(dev, false, !init_state);
}
static void rtllib_send_probe(struct rtllib_device *ieee)
--
GitLab
From a4d4bbd206ce790c99e6d3724a8cd86254c094e6 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:56 -0800
Subject: [PATCH 0924/2686] Staging: rtl8192e: Rename boolean variable
bHalfWirelessN24GMode
Rename boolean variable bHalfWirelessN24GMode to half_wireless_n24g_mode
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-20-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 2 +-
drivers/staging/rtl8192e/rtllib.h | 2 +-
drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index 0a3c81e14951f..e3ed709a7674e 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1917,5 +1917,5 @@ bool rtl92e_is_halfn_supported_by_ap(struct net_device *dev)
struct r8192_priv *priv = rtllib_priv(dev);
struct rtllib_device *ieee = priv->rtllib;
- return ieee->bHalfWirelessN24GMode;
+ return ieee->half_wireless_n24g_mode;
}
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 66c92b03b2884..4dc0f80271d1b 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1247,7 +1247,7 @@ struct rtllib_device {
int ieee802_1x; /* is IEEE 802.1X used */
/* WPA data */
- bool bHalfWirelessN24GMode;
+ bool half_wireless_n24g_mode;
int wpa_enabled;
int drop_unencrypted;
int tkip_countermeasures;
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index c335b24fa08bb..afa789fd12665 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1684,9 +1684,9 @@ static void rtllib_rx_auth_resp(struct rtllib_device *ieee, struct sk_buff *skb)
if ((ieee->current_network.mode == WIRELESS_MODE_N_24G) &&
half_support_nmode) {
netdev_info(ieee->dev, "======>enter half N mode\n");
- ieee->bHalfWirelessN24GMode = true;
+ ieee->half_wireless_n24g_mode = true;
} else {
- ieee->bHalfWirelessN24GMode = false;
+ ieee->half_wireless_n24g_mode = false;
}
rtllib_associate_step2(ieee);
} else {
--
GitLab
From ad0498f3ad3a5738a639c1a21560e72edbf938db Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Mon, 26 Feb 2024 20:41:57 -0800
Subject: [PATCH 0925/2686] Staging: rtl8192e: Rename function
MgntQuery_MgntFrameTxRate
Rename function MgntQuery_MgntFrameTxRate to mgnt_query_mgnt_frame_tx_rate
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240227044157.407379-21-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtllib_softmac.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index afa789fd12665..97fdca828da70 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -163,7 +163,7 @@ u8 mgnt_query_tx_rate_exclude_cck_rates(struct rtllib_device *ieee)
return query_rate;
}
-static u8 MgntQuery_MgntFrameTxRate(struct rtllib_device *ieee)
+static u8 mgnt_query_mgnt_frame_tx_rate(struct rtllib_device *ieee)
{
struct rt_hi_throughput *ht_info = ieee->ht_info;
u8 rate;
@@ -201,7 +201,7 @@ inline void softmac_mgmt_xmit(struct sk_buff *skb, struct rtllib_device *ieee)
if (ieee->disable_mgnt_queue)
tcb_desc->queue_index = HIGH_QUEUE;
- tcb_desc->data_rate = MgntQuery_MgntFrameTxRate(ieee);
+ tcb_desc->data_rate = mgnt_query_mgnt_frame_tx_rate(ieee);
tcb_desc->ratr_index = 7;
tcb_desc->tx_dis_rate_fallback = 1;
tcb_desc->tx_use_drv_assinged_rate = 1;
@@ -277,7 +277,7 @@ softmac_ps_mgmt_xmit(struct sk_buff *skb,
if (ieee->disable_mgnt_queue)
tcb_desc->queue_index = HIGH_QUEUE;
- tcb_desc->data_rate = MgntQuery_MgntFrameTxRate(ieee);
+ tcb_desc->data_rate = mgnt_query_mgnt_frame_tx_rate(ieee);
tcb_desc->ratr_index = 7;
tcb_desc->tx_dis_rate_fallback = 1;
tcb_desc->tx_use_drv_assinged_rate = 1;
--
GitLab
From 11f18611199a54a8b2ca6d5a3eda51ba379a203f Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Wed, 28 Feb 2024 18:43:18 -0800
Subject: [PATCH 0926/2686] Staging: rtl8192e: Fix 5 chckpatch alignment
warnings in rtl819x_BAProc.c
Add tabs and spaces to fix checkpatch warning: 'Alignment should match
open parenthesis'
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240229024325.453374-2-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_BAProc.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c
index bd1d86e0323d5..c066338676412 100644
--- a/drivers/staging/rtl8192e/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c
@@ -254,7 +254,7 @@ int rtllib_rx_add_ba_req(struct rtllib_device *ieee, struct sk_buff *skb)
goto OnADDBAReq_Fail;
}
if (!rtllib_get_ts(ieee, (struct ts_common_info **)&ts, dst,
- (u8)(ba_param_set->field.tid), RX_DIR, true)) {
+ (u8)(ba_param_set->field.tid), RX_DIR, true)) {
rc = ADDBA_STATUS_REFUSED;
netdev_warn(ieee->dev, "%s(): can't get TS\n", __func__);
goto OnADDBAReq_Fail;
@@ -277,7 +277,7 @@ int rtllib_rx_add_ba_req(struct rtllib_device *ieee, struct sk_buff *skb)
ba->ba_start_seq_ctrl = *ba_start_seq_ctrl;
if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev) ||
- (ieee->ht_info->iot_action & HT_IOT_ACT_ALLOW_PEER_AGG_ONE_PKT))
+ (ieee->ht_info->iot_action & HT_IOT_ACT_ALLOW_PEER_AGG_ONE_PKT))
ba->ba_param_set.field.buffer_size = 1;
else
ba->ba_param_set.field.buffer_size = 32;
@@ -338,7 +338,7 @@ int rtllib_rx_add_ba_rsp(struct rtllib_device *ieee, struct sk_buff *skb)
}
if (!rtllib_get_ts(ieee, (struct ts_common_info **)&ts, dst,
- (u8)(ba_param_set->field.tid), TX_DIR, false)) {
+ (u8)(ba_param_set->field.tid), TX_DIR, false)) {
netdev_warn(ieee->dev, "%s(): can't get TS\n", __func__);
reason_code = DELBA_REASON_UNKNOWN_BA;
goto OnADDBARsp_Reject;
@@ -433,7 +433,7 @@ int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb)
struct rx_ts_record *ts;
if (!rtllib_get_ts(ieee, (struct ts_common_info **)&ts, dst,
- (u8)del_ba_param_set->field.tid, RX_DIR, false)) {
+ (u8)del_ba_param_set->field.tid, RX_DIR, false)) {
netdev_warn(ieee->dev,
"%s(): can't get TS for RXTS. dst:%pM TID:%d\n",
__func__, dst,
@@ -446,7 +446,7 @@ int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb)
struct tx_ts_record *ts;
if (!rtllib_get_ts(ieee, (struct ts_common_info **)&ts, dst,
- (u8)del_ba_param_set->field.tid, TX_DIR, false)) {
+ (u8)del_ba_param_set->field.tid, TX_DIR, false)) {
netdev_warn(ieee->dev, "%s(): can't get TS for TXTS\n",
__func__);
return -1;
--
GitLab
From 8e231840af3fc03455d0c927b65b5a9fd4952424 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Wed, 28 Feb 2024 18:43:19 -0800
Subject: [PATCH 0927/2686] Staging: rtl8192e: Rename variable TxRxSelect
Rename variable TxRxSelect to tx_rx_select to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240229024325.453374-3-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_BAProc.c | 18 ++++++++---------
drivers/staging/rtl8192e/rtl819x_TSProc.c | 24 +++++++++++------------
drivers/staging/rtl8192e/rtllib.h | 4 ++--
3 files changed, 23 insertions(+), 23 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c
index c066338676412..030e0a87c9313 100644
--- a/drivers/staging/rtl8192e/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c
@@ -125,7 +125,7 @@ static struct sk_buff *rtllib_ADDBA(struct rtllib_device *ieee, u8 *dst,
static struct sk_buff *rtllib_DELBA(struct rtllib_device *ieee, u8 *dst,
struct ba_record *ba,
- enum tr_select TxRxSelect, u16 reason_code)
+ enum tr_select tx_rx_select, u16 reason_code)
{
union delba_param_set del_ba_param_set;
struct sk_buff *skb = NULL;
@@ -139,7 +139,7 @@ static struct sk_buff *rtllib_DELBA(struct rtllib_device *ieee, u8 *dst,
memset(&del_ba_param_set, 0, 2);
- del_ba_param_set.field.initiator = (TxRxSelect == TX_DIR) ? 1 : 0;
+ del_ba_param_set.field.initiator = (tx_rx_select == TX_DIR) ? 1 : 0;
del_ba_param_set.field.tid = ba->ba_param_set.field.tid;
skb = dev_alloc_skb(len + sizeof(struct ieee80211_hdr_3addr));
@@ -199,12 +199,12 @@ static void rtllib_send_ADDBARsp(struct rtllib_device *ieee, u8 *dst,
}
static void rtllib_send_DELBA(struct rtllib_device *ieee, u8 *dst,
- struct ba_record *ba, enum tr_select TxRxSelect,
+ struct ba_record *ba, enum tr_select tx_rx_select,
u16 reason_code)
{
struct sk_buff *skb;
- skb = rtllib_DELBA(ieee, dst, ba, TxRxSelect, reason_code);
+ skb = rtllib_DELBA(ieee, dst, ba, tx_rx_select, reason_code);
if (skb)
softmac_mgmt_xmit(skb, ieee);
else
@@ -486,9 +486,9 @@ void rtllib_ts_init_add_ba(struct rtllib_device *ieee, struct tx_ts_record *ts,
void rtllib_ts_init_del_ba(struct rtllib_device *ieee,
struct ts_common_info *ts_common_info,
- enum tr_select TxRxSelect)
+ enum tr_select tx_rx_select)
{
- if (TxRxSelect == TX_DIR) {
+ if (tx_rx_select == TX_DIR) {
struct tx_ts_record *ts =
(struct tx_ts_record *)ts_common_info;
@@ -497,14 +497,14 @@ void rtllib_ts_init_del_ba(struct rtllib_device *ieee,
(ts->tx_admitted_ba_record.b_valid) ?
(&ts->tx_admitted_ba_record) :
(&ts->tx_pending_ba_record),
- TxRxSelect, DELBA_REASON_END_BA);
- } else if (TxRxSelect == RX_DIR) {
+ tx_rx_select, DELBA_REASON_END_BA);
+ } else if (tx_rx_select == RX_DIR) {
struct rx_ts_record *ts =
(struct rx_ts_record *)ts_common_info;
if (rx_ts_delete_ba(ieee, ts))
rtllib_send_DELBA(ieee, ts_common_info->addr,
&ts->rx_admitted_ba_record,
- TxRxSelect, DELBA_REASON_END_BA);
+ tx_rx_select, DELBA_REASON_END_BA);
}
}
diff --git a/drivers/staging/rtl8192e/rtl819x_TSProc.c b/drivers/staging/rtl8192e/rtl819x_TSProc.c
index e9a193b5ab10e..9903fe3f3c77c 100644
--- a/drivers/staging/rtl8192e/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_TSProc.c
@@ -171,14 +171,14 @@ void rtllib_ts_init(struct rtllib_device *ieee)
static struct ts_common_info *SearchAdmitTRStream(struct rtllib_device *ieee,
u8 *addr, u8 TID,
- enum tr_select TxRxSelect)
+ enum tr_select tx_rx_select)
{
u8 dir;
bool search_dir[4] = {0};
struct list_head *psearch_list;
struct ts_common_info *pRet = NULL;
- if (TxRxSelect == TX_DIR) {
+ if (tx_rx_select == TX_DIR) {
search_dir[DIR_UP] = true;
search_dir[DIR_BI_DIR] = true;
search_dir[DIR_DIRECT] = true;
@@ -188,7 +188,7 @@ static struct ts_common_info *SearchAdmitTRStream(struct rtllib_device *ieee,
search_dir[DIR_DIRECT] = true;
}
- if (TxRxSelect == TX_DIR)
+ if (tx_rx_select == TX_DIR)
psearch_list = &ieee->Tx_TS_Admit_List;
else
psearch_list = &ieee->Rx_TS_Admit_List;
@@ -225,7 +225,7 @@ static void MakeTSEntry(struct ts_common_info *ts_common_info, u8 *addr,
}
bool rtllib_get_ts(struct rtllib_device *ieee, struct ts_common_info **ppTS,
- u8 *addr, u8 TID, enum tr_select TxRxSelect, bool bAddNewTs)
+ u8 *addr, u8 TID, enum tr_select tx_rx_select, bool bAddNewTs)
{
u8 UP = 0;
struct qos_tsinfo tspec;
@@ -265,7 +265,7 @@ bool rtllib_get_ts(struct rtllib_device *ieee, struct ts_common_info **ppTS,
}
}
- *ppTS = SearchAdmitTRStream(ieee, addr, UP, TxRxSelect);
+ *ppTS = SearchAdmitTRStream(ieee, addr, UP, tx_rx_select);
if (*ppTS)
return true;
@@ -274,21 +274,21 @@ bool rtllib_get_ts(struct rtllib_device *ieee, struct ts_common_info **ppTS,
return false;
}
- pUnusedList = (TxRxSelect == TX_DIR) ?
+ pUnusedList = (tx_rx_select == TX_DIR) ?
(&ieee->Tx_TS_Unused_List) :
(&ieee->Rx_TS_Unused_List);
- pAddmitList = (TxRxSelect == TX_DIR) ?
+ pAddmitList = (tx_rx_select == TX_DIR) ?
(&ieee->Tx_TS_Admit_List) :
(&ieee->Rx_TS_Admit_List);
- Dir = ((TxRxSelect == TX_DIR) ? DIR_UP : DIR_DOWN);
+ Dir = ((tx_rx_select == TX_DIR) ? DIR_UP : DIR_DOWN);
if (!list_empty(pUnusedList)) {
(*ppTS) = list_entry(pUnusedList->next,
struct ts_common_info, list);
list_del_init(&(*ppTS)->list);
- if (TxRxSelect == TX_DIR) {
+ if (tx_rx_select == TX_DIR) {
struct tx_ts_record *tmp =
container_of(*ppTS,
struct tx_ts_record,
@@ -321,11 +321,11 @@ bool rtllib_get_ts(struct rtllib_device *ieee, struct ts_common_info **ppTS,
}
static void RemoveTsEntry(struct rtllib_device *ieee,
- struct ts_common_info *pTs, enum tr_select TxRxSelect)
+ struct ts_common_info *pTs, enum tr_select tx_rx_select)
{
- rtllib_ts_init_del_ba(ieee, pTs, TxRxSelect);
+ rtllib_ts_init_del_ba(ieee, pTs, tx_rx_select);
- if (TxRxSelect == RX_DIR) {
+ if (tx_rx_select == RX_DIR) {
struct rx_reorder_entry *pRxReorderEntry;
struct rx_ts_record *ts = (struct rx_ts_record *)pTs;
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 4dc0f80271d1b..c1078fbb4ef41 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1762,13 +1762,13 @@ void rtllib_ts_init_add_ba(struct rtllib_device *ieee, struct tx_ts_record *ts,
u8 policy, u8 overwrite_pending);
void rtllib_ts_init_del_ba(struct rtllib_device *ieee,
struct ts_common_info *ts_common_info,
- enum tr_select TxRxSelect);
+ enum tr_select tx_rx_select);
void rtllib_ba_setup_timeout(struct timer_list *t);
void rtllib_tx_ba_inact_timeout(struct timer_list *t);
void rtllib_rx_ba_inact_timeout(struct timer_list *t);
void rtllib_reset_ba_entry(struct ba_record *ba);
bool rtllib_get_ts(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *addr,
- u8 TID, enum tr_select TxRxSelect, bool bAddNewTs);
+ u8 TID, enum tr_select tx_rx_select, bool bAddNewTs);
void rtllib_ts_init(struct rtllib_device *ieee);
void TsStartAddBaProcess(struct rtllib_device *ieee,
struct tx_ts_record *pTxTS);
--
GitLab
From 2e5744d418adb815a24ea1b926153aaa340b30af Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Wed, 28 Feb 2024 18:43:20 -0800
Subject: [PATCH 0928/2686] Staging: rtl8192e: Rename function
rtllib_send_ADDBAReq()
Rename function rtllib_send_ADDBAReq to rtllib_send_add_ba_req
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240229024325.453374-4-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_BAProc.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c
index 030e0a87c9313..1aa57f654b823 100644
--- a/drivers/staging/rtl8192e/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c
@@ -173,8 +173,8 @@ static struct sk_buff *rtllib_DELBA(struct rtllib_device *ieee, u8 *dst,
return skb;
}
-static void rtllib_send_ADDBAReq(struct rtllib_device *ieee, u8 *dst,
- struct ba_record *ba)
+static void rtllib_send_add_ba_req(struct rtllib_device *ieee, u8 *dst,
+ struct ba_record *ba)
{
struct sk_buff *skb;
@@ -481,7 +481,7 @@ void rtllib_ts_init_add_ba(struct rtllib_device *ieee, struct tx_ts_record *ts,
activate_ba_entry(ba, BA_SETUP_TIMEOUT);
- rtllib_send_ADDBAReq(ieee, ts->ts_common_info.addr, ba);
+ rtllib_send_add_ba_req(ieee, ts->ts_common_info.addr, ba);
}
void rtllib_ts_init_del_ba(struct rtllib_device *ieee,
--
GitLab
From ea1bc302be47d3a6371461859d2c83d3a943de34 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Wed, 28 Feb 2024 18:43:21 -0800
Subject: [PATCH 0929/2686] Staging: rtl8192e: Rename function
rtllib_send_ADDBARsp()
Rename function rtllib_send_ADDBARsp to rtllib_send_add_ba_rsp
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240229024325.453374-5-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_BAProc.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c
index 1aa57f654b823..c0006daa75ec9 100644
--- a/drivers/staging/rtl8192e/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c
@@ -186,8 +186,8 @@ static void rtllib_send_add_ba_req(struct rtllib_device *ieee, u8 *dst,
netdev_dbg(ieee->dev, "Failed to generate ADDBAReq packet.\n");
}
-static void rtllib_send_ADDBARsp(struct rtllib_device *ieee, u8 *dst,
- struct ba_record *ba, u16 status_code)
+static void rtllib_send_add_ba_rsp(struct rtllib_device *ieee, u8 *dst,
+ struct ba_record *ba, u16 status_code)
{
struct sk_buff *skb;
@@ -283,7 +283,7 @@ int rtllib_rx_add_ba_req(struct rtllib_device *ieee, struct sk_buff *skb)
ba->ba_param_set.field.buffer_size = 32;
activate_ba_entry(ba, 0);
- rtllib_send_ADDBARsp(ieee, dst, ba, ADDBA_STATUS_SUCCESS);
+ rtllib_send_add_ba_rsp(ieee, dst, ba, ADDBA_STATUS_SUCCESS);
return 0;
@@ -295,7 +295,7 @@ int rtllib_rx_add_ba_req(struct rtllib_device *ieee, struct sk_buff *skb)
BA.ba_timeout_value = *ba_timeout_value;
BA.dialog_token = *dialog_token;
BA.ba_param_set.field.ba_policy = BA_POLICY_IMMEDIATE;
- rtllib_send_ADDBARsp(ieee, dst, &BA, rc);
+ rtllib_send_add_ba_rsp(ieee, dst, &BA, rc);
return 0;
}
}
--
GitLab
From b9a982d65437a98fa3cf92eda3c439ed389edf5e Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Wed, 28 Feb 2024 18:43:22 -0800
Subject: [PATCH 0930/2686] Staging: rtl8192e: Rename goto OnADDBAReq_Fail
Rename goto OnADDBAReq_Fail -> on_add_ba_req_fail
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240229024325.453374-6-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_BAProc.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c
index c0006daa75ec9..a3a2fe72d644b 100644
--- a/drivers/staging/rtl8192e/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c
@@ -251,13 +251,13 @@ int rtllib_rx_add_ba_req(struct rtllib_device *ieee, struct sk_buff *skb)
"Failed to reply on ADDBA_REQ as some capability is not ready(%d, %d)\n",
ieee->current_network.qos_data.active,
ieee->ht_info->current_ht_support);
- goto OnADDBAReq_Fail;
+ goto on_add_ba_req_fail;
}
if (!rtllib_get_ts(ieee, (struct ts_common_info **)&ts, dst,
(u8)(ba_param_set->field.tid), RX_DIR, true)) {
rc = ADDBA_STATUS_REFUSED;
netdev_warn(ieee->dev, "%s(): can't get TS\n", __func__);
- goto OnADDBAReq_Fail;
+ goto on_add_ba_req_fail;
}
ba = &ts->rx_admitted_ba_record;
@@ -265,7 +265,7 @@ int rtllib_rx_add_ba_req(struct rtllib_device *ieee, struct sk_buff *skb)
rc = ADDBA_STATUS_INVALID_PARAM;
netdev_warn(ieee->dev, "%s(): BA Policy is not correct\n",
__func__);
- goto OnADDBAReq_Fail;
+ goto on_add_ba_req_fail;
}
rtllib_FlushRxTsPendingPkts(ieee, ts);
@@ -287,7 +287,7 @@ int rtllib_rx_add_ba_req(struct rtllib_device *ieee, struct sk_buff *skb)
return 0;
-OnADDBAReq_Fail:
+on_add_ba_req_fail:
{
struct ba_record BA;
--
GitLab
From 72280b0182f90d11d0eddae2f5371372f7001ab1 Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Wed, 28 Feb 2024 18:43:23 -0800
Subject: [PATCH 0931/2686] Staging: rtl8192e: Rename goto OnADDBARsp_Reject
Rename goto OnADDBARsp_Reject -> on_add_ba_rsp_reject
to fix checkpatch warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240229024325.453374-7-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_BAProc.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c
index a3a2fe72d644b..0581ed1e9ed16 100644
--- a/drivers/staging/rtl8192e/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c
@@ -334,14 +334,14 @@ int rtllib_rx_add_ba_rsp(struct rtllib_device *ieee, struct sk_buff *skb)
ieee->ht_info->current_ht_support,
ieee->ht_info->current_ampdu_enable);
reason_code = DELBA_REASON_UNKNOWN_BA;
- goto OnADDBARsp_Reject;
+ goto on_add_ba_rsp_reject;
}
if (!rtllib_get_ts(ieee, (struct ts_common_info **)&ts, dst,
(u8)(ba_param_set->field.tid), TX_DIR, false)) {
netdev_warn(ieee->dev, "%s(): can't get TS\n", __func__);
reason_code = DELBA_REASON_UNKNOWN_BA;
- goto OnADDBARsp_Reject;
+ goto on_add_ba_rsp_reject;
}
ts->add_ba_req_in_progress = false;
@@ -358,7 +358,7 @@ int rtllib_rx_add_ba_rsp(struct rtllib_device *ieee, struct sk_buff *skb)
"%s(): ADDBA Rsp. BA invalid, DELBA!\n",
__func__);
reason_code = DELBA_REASON_UNKNOWN_BA;
- goto OnADDBARsp_Reject;
+ goto on_add_ba_rsp_reject;
} else {
netdev_dbg(ieee->dev,
"%s(): Recv ADDBA Rsp. BA is admitted! Status code:%X\n",
@@ -371,7 +371,7 @@ int rtllib_rx_add_ba_rsp(struct rtllib_device *ieee, struct sk_buff *skb)
ts->add_ba_req_delayed = true;
deactivate_ba_entry(ieee, admitted_ba);
reason_code = DELBA_REASON_END_BA;
- goto OnADDBARsp_Reject;
+ goto on_add_ba_rsp_reject;
}
admitted_ba->dialog_token = *dialog_token;
@@ -384,12 +384,12 @@ int rtllib_rx_add_ba_rsp(struct rtllib_device *ieee, struct sk_buff *skb)
ts->add_ba_req_delayed = true;
ts->disable_add_ba = true;
reason_code = DELBA_REASON_END_BA;
- goto OnADDBARsp_Reject;
+ goto on_add_ba_rsp_reject;
}
return 0;
-OnADDBARsp_Reject:
+on_add_ba_rsp_reject:
{
struct ba_record BA;
--
GitLab
From da8f893d0ecdbf0160ff7c2d1eeb11b2d25c6ddb Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Wed, 28 Feb 2024 18:43:24 -0800
Subject: [PATCH 0932/2686] Staging: rtl8192e: Rename function
rtllib_FlushRxTsPendingPkts()
Rename function rtllib_FlushRxTsPendingPkts to
rtllib_flush_rx_ts_pending_pkts to fix checkpatch warning Avoid
CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240229024325.453374-8-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl819x_BAProc.c | 2 +-
drivers/staging/rtl8192e/rtllib.h | 4 ++--
drivers/staging/rtl8192e/rtllib_rx.c | 4 ++--
3 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c
index 0581ed1e9ed16..04f3fb54d1b72 100644
--- a/drivers/staging/rtl8192e/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c
@@ -268,7 +268,7 @@ int rtllib_rx_add_ba_req(struct rtllib_device *ieee, struct sk_buff *skb)
goto on_add_ba_req_fail;
}
- rtllib_FlushRxTsPendingPkts(ieee, ts);
+ rtllib_flush_rx_ts_pending_pkts(ieee, ts);
deactivate_ba_entry(ieee, ba);
ba->dialog_token = *dialog_token;
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index c1078fbb4ef41..29b50a3c68604 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1794,8 +1794,8 @@ bool rtllib_mgnt_disconnect(struct rtllib_device *rtllib, u8 rsn);
/* For the function is more related to hardware setting, it's better to use the
* ieee handler to refer to it.
*/
-void rtllib_FlushRxTsPendingPkts(struct rtllib_device *ieee,
- struct rx_ts_record *ts);
+void rtllib_flush_rx_ts_pending_pkts(struct rtllib_device *ieee,
+ struct rx_ts_record *ts);
int rtllib_parse_info_param(struct rtllib_device *ieee,
struct rtllib_info_element *info_element,
u16 length,
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index d51b19176f7a0..ebf8a2fd36d35 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -487,8 +487,8 @@ void rtllib_indicate_packets(struct rtllib_device *ieee,
}
}
-void rtllib_FlushRxTsPendingPkts(struct rtllib_device *ieee,
- struct rx_ts_record *ts)
+void rtllib_flush_rx_ts_pending_pkts(struct rtllib_device *ieee,
+ struct rx_ts_record *ts)
{
struct rx_reorder_entry *pRxReorderEntry;
u8 RfdCnt = 0;
--
GitLab
From b9e4dfb0a6c038dc9af3ba937daa8d33fa859dea Mon Sep 17 00:00:00 2001
From: Tree Davies <tdavies@darkphysics.net>
Date: Wed, 28 Feb 2024 18:43:25 -0800
Subject: [PATCH 0933/2686] Staging: rtl8192e: Rename function
GetHalfNmodeSupportByAPsHandler()
Rename function GetHalfNmodeSupportByAPsHandler to
get_half_nmode_support_by_aps_handler to fix checkpatch
warning Avoid CamelCase.
Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240229024325.453374-9-tdavies@darkphysics.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 2 +-
drivers/staging/rtl8192e/rtl8192e/rtl_dm.c | 2 +-
drivers/staging/rtl8192e/rtl819x_BAProc.c | 2 +-
drivers/staging/rtl8192e/rtl819x_HTProc.c | 8 ++++----
drivers/staging/rtl8192e/rtllib.h | 2 +-
5 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index bf457df5b2bce..649b529657bab 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -657,7 +657,7 @@ static void _rtl92e_init_priv_handler(struct net_device *dev)
priv->rtllib->ps_is_queue_empty = _rtl92e_is_tx_queue_empty;
priv->rtllib->get_nmode_support_by_sec_cfg = rtl92e_get_nmode_support_by_sec;
- priv->rtllib->GetHalfNmodeSupportByAPsHandler =
+ priv->rtllib->get_half_nmode_support_by_aps_handler =
rtl92e_is_halfn_supported_by_ap;
priv->rtllib->set_hw_reg_handler = rtl92e_set_reg;
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
index bf695b61ca8be..c34087af973cf 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
@@ -354,7 +354,7 @@ static void _rtl92e_dm_check_rate_adaptive(struct net_device *dev)
}
}
- if (priv->rtllib->GetHalfNmodeSupportByAPsHandler(dev))
+ if (priv->rtllib->get_half_nmode_support_by_aps_handler(dev))
target_ratr &= 0xf00fffff;
current_ratr = rtl92e_readl(dev, RATR0);
diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c
index 04f3fb54d1b72..834329886ea2e 100644
--- a/drivers/staging/rtl8192e/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c
@@ -276,7 +276,7 @@ int rtllib_rx_add_ba_req(struct rtllib_device *ieee, struct sk_buff *skb)
ba->ba_timeout_value = *ba_timeout_value;
ba->ba_start_seq_ctrl = *ba_start_seq_ctrl;
- if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev) ||
+ if (ieee->get_half_nmode_support_by_aps_handler(ieee->dev) ||
(ieee->ht_info->iot_action & HT_IOT_ACT_ALLOW_PEER_AGG_ONE_PKT))
ba->ba_param_set.field.buffer_size = 1;
else
diff --git a/drivers/staging/rtl8192e/rtl819x_HTProc.c b/drivers/staging/rtl8192e/rtl819x_HTProc.c
index abc21ae49ff72..fa96a2c2c9161 100644
--- a/drivers/staging/rtl8192e/rtl819x_HTProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_HTProc.c
@@ -252,7 +252,7 @@ void ht_construct_capability_element(struct rtllib_device *ieee, u8 *pos_ht_cap,
}
cap_ele->AdvCoding = 0;
- if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
+ if (ieee->get_half_nmode_support_by_aps_handler(ieee->dev))
cap_ele->ChlWidth = 0;
else
cap_ele->ChlWidth = 1;
@@ -301,7 +301,7 @@ void ht_construct_capability_element(struct rtllib_device *ieee, u8 *pos_ht_cap,
if (ht->iot_action & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI)
cap_ele->ShortGI40Mhz = 0;
- if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) {
+ if (ieee->get_half_nmode_support_by_aps_handler(ieee->dev)) {
cap_ele->ChlWidth = 0;
cap_ele->MCS[1] = 0;
}
@@ -408,7 +408,7 @@ static u8 ht_filter_mcs_rate(struct rtllib_device *ieee, u8 *pSupportMCS,
ht_pick_mcs_rate(ieee, pOperateMCS);
- if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
+ if (ieee->get_half_nmode_support_by_aps_handler(ieee->dev))
pOperateMCS[1] = 0;
for (i = 2; i <= 15; i++)
@@ -666,7 +666,7 @@ void ht_set_connect_bw_mode(struct rtllib_device *ieee,
{
struct rt_hi_throughput *ht_info = ieee->ht_info;
- if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
+ if (ieee->get_half_nmode_support_by_aps_handler(ieee->dev))
bandwidth = HT_CHANNEL_WIDTH_20;
if (ht_info->sw_bw_in_progress) {
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 29b50a3c68604..6fbf11ac168f5 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1469,7 +1469,7 @@ struct rtllib_device {
enum ht_extchnl_offset Offset);
bool (*get_nmode_support_by_sec_cfg)(struct net_device *dev);
void (*set_wireless_mode)(struct net_device *dev, u8 wireless_mode);
- bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device *dev);
+ bool (*get_half_nmode_support_by_aps_handler)(struct net_device *dev);
u8 (*rtllib_ap_sec_type)(struct rtllib_device *ieee);
void (*init_gain_handler)(struct net_device *dev, u8 Operation);
void (*ScanOperationBackupHandler)(struct net_device *dev,
--
GitLab
From d6543805a8ad6ffcddf5ffdfb3b27dcee3806474 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bhelgaas@google.com>
Date: Thu, 29 Feb 2024 12:12:58 -0600
Subject: [PATCH 0934/2686] mei: gsc: remove unnecessary NULL pointer checks
The .remove() and power management callbacks are never called unless
.probe() has already returned success, which means it has set drvdata to a
non-NULL pointer, so "dev" can never be NULL in the other callbacks.
Remove the unnecessary checks.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20240229181300.352077-2-helgaas@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/gsc-me.c | 17 -----------------
1 file changed, 17 deletions(-)
diff --git a/drivers/misc/mei/gsc-me.c b/drivers/misc/mei/gsc-me.c
index 9e558ec2ea1d5..5a8c26c3df13d 100644
--- a/drivers/misc/mei/gsc-me.c
+++ b/drivers/misc/mei/gsc-me.c
@@ -144,9 +144,6 @@ static void mei_gsc_remove(struct auxiliary_device *aux_dev)
struct mei_me_hw *hw;
dev = dev_get_drvdata(&aux_dev->dev);
- if (!dev)
- return;
-
hw = to_me_hw(dev);
mei_stop(dev);
@@ -168,9 +165,6 @@ static int __maybe_unused mei_gsc_pm_suspend(struct device *device)
{
struct mei_device *dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mei_stop(dev);
mei_disable_interrupts(dev);
@@ -186,9 +180,6 @@ static int __maybe_unused mei_gsc_pm_resume(struct device *device)
int err;
struct mei_me_hw *hw;
- if (!dev)
- return -ENODEV;
-
hw = to_me_hw(dev);
aux_dev = to_auxiliary_dev(device);
adev = auxiliary_dev_to_mei_aux_dev(aux_dev);
@@ -211,8 +202,6 @@ static int __maybe_unused mei_gsc_pm_runtime_idle(struct device *device)
{
struct mei_device *dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
if (mei_write_is_idle(dev))
pm_runtime_autosuspend(device);
@@ -225,9 +214,6 @@ static int __maybe_unused mei_gsc_pm_runtime_suspend(struct device *device)
struct mei_me_hw *hw;
int ret;
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
if (mei_write_is_idle(dev)) {
@@ -252,9 +238,6 @@ static int __maybe_unused mei_gsc_pm_runtime_resume(struct device *device)
struct mei_me_hw *hw;
irqreturn_t irq_ret;
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
hw = to_me_hw(dev);
--
GitLab
From 64386d1588f53ccde07cfeb04cddf2f6d1a75a40 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bhelgaas@google.com>
Date: Thu, 29 Feb 2024 12:12:59 -0600
Subject: [PATCH 0935/2686] mei: txe: remove unnecessary NULL pointer checks
The .shutdown(), .remove(), and power management callbacks are never called
unless .probe() has already returned success, which means it has set
drvdata to a non-NULL pointer, so "dev" can never be NULL in the other
callbacks.
Remove the unnecessary checks.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20240229181300.352077-3-helgaas@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/pci-txe.c | 40 ++++++--------------------------------
1 file changed, 6 insertions(+), 34 deletions(-)
diff --git a/drivers/misc/mei/pci-txe.c b/drivers/misc/mei/pci-txe.c
index fa20d9a27813b..2a584104ba388 100644
--- a/drivers/misc/mei/pci-txe.c
+++ b/drivers/misc/mei/pci-txe.c
@@ -166,11 +166,7 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
*/
static void mei_txe_shutdown(struct pci_dev *pdev)
{
- struct mei_device *dev;
-
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return;
+ struct mei_device *dev = pci_get_drvdata(pdev);
dev_dbg(&pdev->dev, "shutdown\n");
mei_stop(dev);
@@ -191,13 +187,7 @@ static void mei_txe_shutdown(struct pci_dev *pdev)
*/
static void mei_txe_remove(struct pci_dev *pdev)
{
- struct mei_device *dev;
-
- dev = pci_get_drvdata(pdev);
- if (!dev) {
- dev_err(&pdev->dev, "mei: dev == NULL\n");
- return;
- }
+ struct mei_device *dev = pci_get_drvdata(pdev);
pm_runtime_get_noresume(&pdev->dev);
@@ -218,9 +208,6 @@ static int mei_txe_pci_suspend(struct device *device)
struct pci_dev *pdev = to_pci_dev(device);
struct mei_device *dev = pci_get_drvdata(pdev);
- if (!dev)
- return -ENODEV;
-
dev_dbg(&pdev->dev, "suspend\n");
mei_stop(dev);
@@ -236,13 +223,9 @@ static int mei_txe_pci_suspend(struct device *device)
static int mei_txe_pci_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
- struct mei_device *dev;
+ struct mei_device *dev = pci_get_drvdata(pdev);
int err;
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return -ENODEV;
-
pci_enable_msi(pdev);
mei_clear_interrupts(dev);
@@ -273,13 +256,10 @@ static int mei_txe_pci_resume(struct device *device)
#ifdef CONFIG_PM
static int mei_txe_pm_runtime_idle(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
dev_dbg(device, "rpm: txe: runtime_idle\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
if (mei_write_is_idle(dev))
pm_runtime_autosuspend(device);
@@ -287,15 +267,11 @@ static int mei_txe_pm_runtime_idle(struct device *device)
}
static int mei_txe_pm_runtime_suspend(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
int ret;
dev_dbg(device, "rpm: txe: runtime suspend\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
if (mei_write_is_idle(dev))
@@ -317,15 +293,11 @@ static int mei_txe_pm_runtime_suspend(struct device *device)
static int mei_txe_pm_runtime_resume(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
int ret;
dev_dbg(device, "rpm: txe: runtime resume\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
mei_enable_interrupts(dev);
--
GitLab
From e37db17dae6113f8f0b620753de5a1f9cb482771 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bhelgaas@google.com>
Date: Thu, 29 Feb 2024 12:13:00 -0600
Subject: [PATCH 0936/2686] mei: me: remove unnecessary NULL pointer checks
The .shutdown(), .remove(), and power management callbacks are never called
unless .probe() has already returned success, which means it has set
drvdata to a non-NULL pointer, so "dev" can never be NULL in the other
callbacks.
Remove the unnecessary checks.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20240229181300.352077-4-helgaas@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/pci-me.c | 38 ++++++--------------------------------
1 file changed, 6 insertions(+), 32 deletions(-)
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index 676d566f38ddf..1f0d983d3f06e 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -295,11 +295,7 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
*/
static void mei_me_shutdown(struct pci_dev *pdev)
{
- struct mei_device *dev;
-
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return;
+ struct mei_device *dev = pci_get_drvdata(pdev);
dev_dbg(&pdev->dev, "shutdown\n");
mei_stop(dev);
@@ -320,11 +316,7 @@ static void mei_me_shutdown(struct pci_dev *pdev)
*/
static void mei_me_remove(struct pci_dev *pdev)
{
- struct mei_device *dev;
-
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return;
+ struct mei_device *dev = pci_get_drvdata(pdev);
if (mei_pg_is_enabled(dev))
pm_runtime_get_noresume(&pdev->dev);
@@ -353,9 +345,6 @@ static int mei_me_pci_suspend(struct device *device)
struct pci_dev *pdev = to_pci_dev(device);
struct mei_device *dev = pci_get_drvdata(pdev);
- if (!dev)
- return -ENODEV;
-
dev_dbg(&pdev->dev, "suspend\n");
mei_stop(dev);
@@ -371,14 +360,10 @@ static int mei_me_pci_suspend(struct device *device)
static int mei_me_pci_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
- struct mei_device *dev;
+ struct mei_device *dev = pci_get_drvdata(pdev);
unsigned int irqflags;
int err;
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return -ENODEV;
-
pci_enable_msi(pdev);
irqflags = pci_dev_msi_enabled(pdev) ? IRQF_ONESHOT : IRQF_SHARED;
@@ -419,13 +404,10 @@ static void mei_me_pci_complete(struct device *device)
#ifdef CONFIG_PM
static int mei_me_pm_runtime_idle(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
dev_dbg(device, "rpm: me: runtime_idle\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
if (mei_write_is_idle(dev))
pm_runtime_autosuspend(device);
@@ -434,15 +416,11 @@ static int mei_me_pm_runtime_idle(struct device *device)
static int mei_me_pm_runtime_suspend(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
int ret;
dev_dbg(device, "rpm: me: runtime suspend\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
if (mei_write_is_idle(dev))
@@ -462,15 +440,11 @@ static int mei_me_pm_runtime_suspend(struct device *device)
static int mei_me_pm_runtime_resume(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
int ret;
dev_dbg(device, "rpm: me: runtime resume\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
ret = mei_me_pg_exit_sync(dev);
--
GitLab
From 058a38acba15fd8e7b262ec6e17c4204cb15f984 Mon Sep 17 00:00:00 2001
From: Sakari Ailus <sakari.ailus@linux.intel.com>
Date: Mon, 19 Feb 2024 21:58:05 +0200
Subject: [PATCH 0937/2686] mei: vsc: Call wake_up() in the threaded IRQ
handler
The hard IRQ handler vsc_tp_irq() is called with a raw spinlock taken.
wake_up() acquires a spinlock, a sleeping lock on PREEMPT_RT. This leads
to sleeping in atomic context.
Move the wake_up() call to the threaded IRQ handler vsc_tp_thread_isr()
where it can be safely called.
Fixes: 566f5ca97680 ("mei: Add transport driver for IVSC device")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-and-Reviewed-by: Wentong Wu <wentong.wu@intel.com>
Link: https://lore.kernel.org/r/20240219195807.517742-2-sakari.ailus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/vsc-tp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/mei/vsc-tp.c b/drivers/misc/mei/vsc-tp.c
index 6f4a4be6ccb55..2b69ada9349e7 100644
--- a/drivers/misc/mei/vsc-tp.c
+++ b/drivers/misc/mei/vsc-tp.c
@@ -416,8 +416,6 @@ static irqreturn_t vsc_tp_isr(int irq, void *data)
atomic_inc(&tp->assert_cnt);
- wake_up(&tp->xfer_wait);
-
return IRQ_WAKE_THREAD;
}
@@ -425,6 +423,8 @@ static irqreturn_t vsc_tp_thread_isr(int irq, void *data)
{
struct vsc_tp *tp = data;
+ wake_up(&tp->xfer_wait);
+
if (tp->event_notify)
tp->event_notify(tp->event_notify_context);
--
GitLab
From b8b19acfafdeacbedd4e2795cb18c81c4d8bb6cc Mon Sep 17 00:00:00 2001
From: Sakari Ailus <sakari.ailus@linux.intel.com>
Date: Mon, 19 Feb 2024 21:58:06 +0200
Subject: [PATCH 0938/2686] mei: vsc: Don't use sleeping condition in
wait_event_timeout()
vsc_tp_wakeup_request() called wait_event_timeout() with
gpiod_get_value_cansleep() which may sleep, and does so as the
implementation is that of gpio-ljca.
Move the GPIO state check outside the call.
Fixes: 566f5ca97680 ("mei: Add transport driver for IVSC device")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-and-Reviewed-by: Wentong Wu <wentong.wu@intel.com>
Link: https://lore.kernel.org/r/20240219195807.517742-3-sakari.ailus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/vsc-tp.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/misc/mei/vsc-tp.c b/drivers/misc/mei/vsc-tp.c
index 2b69ada9349e7..7b678005652b1 100644
--- a/drivers/misc/mei/vsc-tp.c
+++ b/drivers/misc/mei/vsc-tp.c
@@ -25,7 +25,8 @@
#define VSC_TP_ROM_BOOTUP_DELAY_MS 10
#define VSC_TP_ROM_XFER_POLL_TIMEOUT_US (500 * USEC_PER_MSEC)
#define VSC_TP_ROM_XFER_POLL_DELAY_US (20 * USEC_PER_MSEC)
-#define VSC_TP_WAIT_FW_ASSERTED_TIMEOUT (2 * HZ)
+#define VSC_TP_WAIT_FW_POLL_TIMEOUT (2 * HZ)
+#define VSC_TP_WAIT_FW_POLL_DELAY_US (20 * USEC_PER_MSEC)
#define VSC_TP_MAX_XFER_COUNT 5
#define VSC_TP_PACKET_SYNC 0x31
@@ -101,13 +102,15 @@ static int vsc_tp_wakeup_request(struct vsc_tp *tp)
gpiod_set_value_cansleep(tp->wakeupfw, 0);
ret = wait_event_timeout(tp->xfer_wait,
- atomic_read(&tp->assert_cnt) &&
- gpiod_get_value_cansleep(tp->wakeuphost),
- VSC_TP_WAIT_FW_ASSERTED_TIMEOUT);
+ atomic_read(&tp->assert_cnt),
+ VSC_TP_WAIT_FW_POLL_TIMEOUT);
if (!ret)
return -ETIMEDOUT;
- return 0;
+ return read_poll_timeout(gpiod_get_value_cansleep, ret, ret,
+ VSC_TP_WAIT_FW_POLL_DELAY_US,
+ VSC_TP_WAIT_FW_POLL_TIMEOUT, false,
+ tp->wakeuphost);
}
static void vsc_tp_wakeup_release(struct vsc_tp *tp)
--
GitLab
From 33a2120b875f9b93b6ea2db2cc8f706a9eb3e35d Mon Sep 17 00:00:00 2001
From: Sakari Ailus <sakari.ailus@linux.intel.com>
Date: Mon, 19 Feb 2024 21:58:07 +0200
Subject: [PATCH 0939/2686] mei: vsc: Assign pinfo fields in variable
declaration
Assign all possible fields of pinfo in variable declaration, instead of
just zeroing it there.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-and-Reviewed-by: Wentong Wu <wentong.wu@intel.com>
Link: https://lore.kernel.org/r/20240219195807.517742-4-sakari.ailus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/vsc-tp.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/misc/mei/vsc-tp.c b/drivers/misc/mei/vsc-tp.c
index 7b678005652b1..9b4584d67a1bf 100644
--- a/drivers/misc/mei/vsc-tp.c
+++ b/drivers/misc/mei/vsc-tp.c
@@ -445,11 +445,16 @@ static int vsc_tp_match_any(struct acpi_device *adev, void *data)
static int vsc_tp_probe(struct spi_device *spi)
{
- struct platform_device_info pinfo = { 0 };
+ struct vsc_tp *tp;
+ struct platform_device_info pinfo = {
+ .name = "intel_vsc",
+ .data = &tp,
+ .size_data = sizeof(tp),
+ .id = PLATFORM_DEVID_NONE,
+ };
struct device *dev = &spi->dev;
struct platform_device *pdev;
struct acpi_device *adev;
- struct vsc_tp *tp;
int ret;
tp = devm_kzalloc(dev, sizeof(*tp), GFP_KERNEL);
@@ -501,13 +506,8 @@ static int vsc_tp_probe(struct spi_device *spi)
ret = -ENODEV;
goto err_destroy_lock;
}
- pinfo.fwnode = acpi_fwnode_handle(adev);
-
- pinfo.name = "intel_vsc";
- pinfo.data = &tp;
- pinfo.size_data = sizeof(tp);
- pinfo.id = PLATFORM_DEVID_NONE;
+ pinfo.fwnode = acpi_fwnode_handle(adev);
pdev = platform_device_register_full(&pinfo);
if (IS_ERR(pdev)) {
ret = PTR_ERR(pdev);
--
GitLab
From eb582f668be7aed16a822465677fd74329fa19b6 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 20:06:43 +0200
Subject: [PATCH 0940/2686] misc: eeprom_93xx46: Remove unused of_gpio.h
of_gpio.h is deprecated and subject to remove.
The driver doesn't use it, simply remove the unused header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240304180643.1201319-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/eeprom/eeprom_93xx46.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/misc/eeprom/eeprom_93xx46.c b/drivers/misc/eeprom/eeprom_93xx46.c
index b630625b3024b..e78a76d74ff4f 100644
--- a/drivers/misc/eeprom/eeprom_93xx46.c
+++ b/drivers/misc/eeprom/eeprom_93xx46.c
@@ -14,7 +14,6 @@
#include <linux/mutex.h>
#include <linux/of.h>
#include <linux/of_device.h>
-#include <linux/of_gpio.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
#include <linux/nvmem-provider.h>
--
GitLab
From 33e165f81d6d57dd09b92930beea86a7b649dca0 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 20:07:37 +0200
Subject: [PATCH 0941/2686] misc: hi6421-spmi-pmic: Remove unused of_gpio.h
of_gpio.h is deprecated and subject to remove.
The driver doesn't use it, simply remove the unused header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240304180737.1201566-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/hi6421v600-irq.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/misc/hi6421v600-irq.c b/drivers/misc/hi6421v600-irq.c
index b075d803a2c20..69ee4f39af2a7 100644
--- a/drivers/misc/hi6421v600-irq.c
+++ b/drivers/misc/hi6421v600-irq.c
@@ -11,7 +11,6 @@
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/module.h>
-#include <linux/of_gpio.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/irqdomain.h>
--
GitLab
From 3f03dade77f39b299e4b12dafd58329e22023afd Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2024 20:08:29 +0200
Subject: [PATCH 0942/2686] misc: hisi_hikey_usb: Remove unused of_gpio.h
of_gpio.h is deprecated and subject to remove.
The driver doesn't use it, simply remove the unused header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: John Stultz <jstultz@google.com>
Link: https://lore.kernel.org/r/20240304180829.1201726-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/hisi_hikey_usb.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/misc/hisi_hikey_usb.c b/drivers/misc/hisi_hikey_usb.c
index 2165ec35a3438..42e12f11ae6ee 100644
--- a/drivers/misc/hisi_hikey_usb.c
+++ b/drivers/misc/hisi_hikey_usb.c
@@ -14,7 +14,6 @@
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/notifier.h>
-#include <linux/of_gpio.h>
#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/regulator/consumer.h>
--
GitLab
From 25f6ef044d08207aa993aded9814e0719fe4289a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 21 Feb 2024 10:53:45 +0100
Subject: [PATCH 0943/2686] misc: atmel-ssc: Convert to platform remove
callback returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/45719fc31bb893bb9ab1450057e9cb7f399e9ee2.1708508896.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/atmel-ssc.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index ee590c4a15379..6eac0f3359152 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -251,7 +251,7 @@ static int ssc_probe(struct platform_device *pdev)
return 0;
}
-static int ssc_remove(struct platform_device *pdev)
+static void ssc_remove(struct platform_device *pdev)
{
struct ssc_device *ssc = platform_get_drvdata(pdev);
@@ -260,8 +260,6 @@ static int ssc_remove(struct platform_device *pdev)
mutex_lock(&user_lock);
list_del(&ssc->list);
mutex_unlock(&user_lock);
-
- return 0;
}
static struct platform_driver ssc_driver = {
@@ -271,7 +269,7 @@ static struct platform_driver ssc_driver = {
},
.id_table = atmel_ssc_devtypes,
.probe = ssc_probe,
- .remove = ssc_remove,
+ .remove_new = ssc_remove,
};
module_platform_driver(ssc_driver);
--
GitLab
From 3d293acfa88c97f4ea61b29c930214a2279d4b5c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 21 Feb 2024 10:53:46 +0100
Subject: [PATCH 0944/2686] cxl: Convert to platform remove callback returning
void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/add08320eef9ea20ceca78648370590a4bd447b0.1708508896.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/cxl/of.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/cxl/of.c b/drivers/misc/cxl/of.c
index 25ce725035e77..bcc005dff1c0f 100644
--- a/drivers/misc/cxl/of.c
+++ b/drivers/misc/cxl/of.c
@@ -431,7 +431,7 @@ int cxl_of_read_adapter_properties(struct cxl *adapter, struct device_node *np)
return 0;
}
-static int cxl_of_remove(struct platform_device *pdev)
+static void cxl_of_remove(struct platform_device *pdev)
{
struct cxl *adapter;
int afu;
@@ -441,7 +441,6 @@ static int cxl_of_remove(struct platform_device *pdev)
cxl_guest_remove_afu(adapter->afu[afu]);
cxl_guest_remove_adapter(adapter);
- return 0;
}
static void cxl_of_shutdown(struct platform_device *pdev)
@@ -501,6 +500,6 @@ struct platform_driver cxl_of_driver = {
.owner = THIS_MODULE
},
.probe = cxl_of_probe,
- .remove = cxl_of_remove,
+ .remove_new = cxl_of_remove,
.shutdown = cxl_of_shutdown,
};
--
GitLab
From 0f841590fefb1a05519446143a64ea5e83428819 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 21 Feb 2024 10:53:47 +0100
Subject: [PATCH 0945/2686] misc: fastrpc: Convert to platform remove callback
returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/d138bc7f6ec39038d2b5a23478fc036a41988bde.1708508896.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/fastrpc.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 03319a1fa97fd..0bfff1d42da21 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -2183,7 +2183,7 @@ static int fastrpc_cb_probe(struct platform_device *pdev)
return 0;
}
-static int fastrpc_cb_remove(struct platform_device *pdev)
+static void fastrpc_cb_remove(struct platform_device *pdev)
{
struct fastrpc_channel_ctx *cctx = dev_get_drvdata(pdev->dev.parent);
struct fastrpc_session_ctx *sess = dev_get_drvdata(&pdev->dev);
@@ -2198,8 +2198,6 @@ static int fastrpc_cb_remove(struct platform_device *pdev)
}
}
spin_unlock_irqrestore(&cctx->lock, flags);
-
- return 0;
}
static const struct of_device_id fastrpc_match_table[] = {
@@ -2209,7 +2207,7 @@ static const struct of_device_id fastrpc_match_table[] = {
static struct platform_driver fastrpc_cb_driver = {
.probe = fastrpc_cb_probe,
- .remove = fastrpc_cb_remove,
+ .remove_new = fastrpc_cb_remove,
.driver = {
.name = "qcom,fastrpc-cb",
.of_match_table = fastrpc_match_table,
--
GitLab
From 09ed594ee3f85c9bd6bd2b96e781d5103167ecb3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 21 Feb 2024 10:53:48 +0100
Subject: [PATCH 0946/2686] misc: hisi_hikey_usb: Convert to platform remove
callback returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: John Stultz <jstultz@google.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/8775e9573fec55c5fc04151800829e9aeafc5dda.1708508896.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/hisi_hikey_usb.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/misc/hisi_hikey_usb.c b/drivers/misc/hisi_hikey_usb.c
index 42e12f11ae6ee..fb9be37057a8d 100644
--- a/drivers/misc/hisi_hikey_usb.c
+++ b/drivers/misc/hisi_hikey_usb.c
@@ -238,7 +238,7 @@ static int hisi_hikey_usb_probe(struct platform_device *pdev)
return 0;
}
-static int hisi_hikey_usb_remove(struct platform_device *pdev)
+static void hisi_hikey_usb_remove(struct platform_device *pdev)
{
struct hisi_hikey_usb *hisi_hikey_usb = platform_get_drvdata(pdev);
@@ -250,8 +250,6 @@ static int hisi_hikey_usb_remove(struct platform_device *pdev)
} else {
hub_power_ctrl(hisi_hikey_usb, HUB_VBUS_POWER_OFF);
}
-
- return 0;
}
static const struct of_device_id id_table_hisi_hikey_usb[] = {
@@ -262,7 +260,7 @@ MODULE_DEVICE_TABLE(of, id_table_hisi_hikey_usb);
static struct platform_driver hisi_hikey_usb_driver = {
.probe = hisi_hikey_usb_probe,
- .remove = hisi_hikey_usb_remove,
+ .remove_new = hisi_hikey_usb_remove,
.driver = {
.name = DEVICE_DRIVER_NAME,
.of_match_table = id_table_hisi_hikey_usb,
--
GitLab
From 469b832d44f3db7f873d6739a85f26c41681f697 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 21 Feb 2024 10:53:49 +0100
Subject: [PATCH 0947/2686] mei: vsc: Convert to platform remove callback
returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/8e14f0b1cea107e613fa0075b3379a9f1e7ef63f.1708508896.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/platform-vsc.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/misc/mei/platform-vsc.c b/drivers/misc/mei/platform-vsc.c
index 8d303c6c00006..6c9f00bcb94b1 100644
--- a/drivers/misc/mei/platform-vsc.c
+++ b/drivers/misc/mei/platform-vsc.c
@@ -384,7 +384,7 @@ static int mei_vsc_probe(struct platform_device *pdev)
return ret;
}
-static int mei_vsc_remove(struct platform_device *pdev)
+static void mei_vsc_remove(struct platform_device *pdev)
{
struct mei_device *mei_dev = platform_get_drvdata(pdev);
@@ -395,8 +395,6 @@ static int mei_vsc_remove(struct platform_device *pdev)
mei_disable_interrupts(mei_dev);
mei_deregister(mei_dev);
-
- return 0;
}
static int mei_vsc_suspend(struct device *dev)
@@ -433,7 +431,7 @@ MODULE_DEVICE_TABLE(platform, mei_vsc_id_table);
static struct platform_driver mei_vsc_drv = {
.probe = mei_vsc_probe,
- .remove = mei_vsc_remove,
+ .remove_new = mei_vsc_remove,
.id_table = mei_vsc_id_table,
.driver = {
.name = MEI_VSC_DRV_NAME,
--
GitLab
From 3aa42cb81108911617d44270bc278fcd7aa72519 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 21 Feb 2024 10:53:50 +0100
Subject: [PATCH 0948/2686] misc: open-dice: Convert to platform remove
callback returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/8e7179794ffbcaa4ad3d0db50cc4aa03f377fc8c.1708508896.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/open-dice.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/open-dice.c b/drivers/misc/open-dice.c
index d279a4f195e2a..1e3eb2aa44d9d 100644
--- a/drivers/misc/open-dice.c
+++ b/drivers/misc/open-dice.c
@@ -165,12 +165,11 @@ static int __init open_dice_probe(struct platform_device *pdev)
return 0;
}
-static int open_dice_remove(struct platform_device *pdev)
+static void open_dice_remove(struct platform_device *pdev)
{
struct open_dice_drvdata *drvdata = platform_get_drvdata(pdev);
misc_deregister(&drvdata->misc);
- return 0;
}
static const struct of_device_id open_dice_of_match[] = {
@@ -179,7 +178,7 @@ static const struct of_device_id open_dice_of_match[] = {
};
static struct platform_driver open_dice_driver = {
- .remove = open_dice_remove,
+ .remove_new = open_dice_remove,
.driver = {
.name = DRIVER_NAME,
.of_match_table = open_dice_of_match,
--
GitLab
From 74b32514f088e50b4d90e702a4e039bfefbcc5a2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 21 Feb 2024 10:53:51 +0100
Subject: [PATCH 0949/2686] misc: sram: Convert to platform remove callback
returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/946ebc33a01bf700171257cd219fbe8626bc0c99.1708508896.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/sram.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c
index e248c0a8882f2..546eb06a40d04 100644
--- a/drivers/misc/sram.c
+++ b/drivers/misc/sram.c
@@ -435,7 +435,7 @@ static int sram_probe(struct platform_device *pdev)
return ret;
}
-static int sram_remove(struct platform_device *pdev)
+static void sram_remove(struct platform_device *pdev)
{
struct sram_dev *sram = platform_get_drvdata(pdev);
@@ -443,8 +443,6 @@ static int sram_remove(struct platform_device *pdev)
if (sram->pool && gen_pool_avail(sram->pool) < gen_pool_size(sram->pool))
dev_err(sram->dev, "removed while SRAM allocated\n");
-
- return 0;
}
static struct platform_driver sram_driver = {
@@ -453,7 +451,7 @@ static struct platform_driver sram_driver = {
.of_match_table = sram_dt_ids,
},
.probe = sram_probe,
- .remove = sram_remove,
+ .remove_new = sram_remove,
};
static int __init sram_init(void)
--
GitLab
From f1a70d68e5fe61bc70637ccf4cfe9eb48d2e361a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 21 Feb 2024 10:53:52 +0100
Subject: [PATCH 0950/2686] misc: ti-st: st_kim: Convert to platform remove
callback returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/250337c967bdb5019a3c9fe8e0d082cd65400227.1708508896.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/ti-st/st_kim.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c
index 4b1be0bb6ac09..47ebe80bf8499 100644
--- a/drivers/misc/ti-st/st_kim.c
+++ b/drivers/misc/ti-st/st_kim.c
@@ -774,7 +774,7 @@ static int kim_probe(struct platform_device *pdev)
return err;
}
-static int kim_remove(struct platform_device *pdev)
+static void kim_remove(struct platform_device *pdev)
{
/* free the GPIOs requested */
struct ti_st_plat_data *pdata = pdev->dev.platform_data;
@@ -798,7 +798,6 @@ static int kim_remove(struct platform_device *pdev)
kfree(kim_gdata);
kim_gdata = NULL;
- return 0;
}
static int kim_suspend(struct platform_device *pdev, pm_message_t state)
@@ -825,7 +824,7 @@ static int kim_resume(struct platform_device *pdev)
/* entry point for ST KIM module, called in from ST Core */
static struct platform_driver kim_platform_driver = {
.probe = kim_probe,
- .remove = kim_remove,
+ .remove_new = kim_remove,
.suspend = kim_suspend,
.resume = kim_resume,
.driver = {
--
GitLab
From be7e1a4c47745421af416e6cd8da9f286ae6af41 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 21 Feb 2024 10:53:53 +0100
Subject: [PATCH 0951/2686] misc: vcpu_stall_detector: Convert to platform
remove callback returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/4b964bd133f5af11cabd51a4d8ed95025583eb93.1708508896.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/vcpu_stall_detector.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/misc/vcpu_stall_detector.c b/drivers/misc/vcpu_stall_detector.c
index 6479c962da1ac..e2015c87f03fc 100644
--- a/drivers/misc/vcpu_stall_detector.c
+++ b/drivers/misc/vcpu_stall_detector.c
@@ -187,7 +187,7 @@ static int vcpu_stall_detect_probe(struct platform_device *pdev)
return ret;
}
-static int vcpu_stall_detect_remove(struct platform_device *pdev)
+static void vcpu_stall_detect_remove(struct platform_device *pdev)
{
int cpu;
@@ -195,8 +195,6 @@ static int vcpu_stall_detect_remove(struct platform_device *pdev)
for_each_possible_cpu(cpu)
stop_stall_detector_cpu(cpu);
-
- return 0;
}
static const struct of_device_id vcpu_stall_detect_of_match[] = {
@@ -208,7 +206,7 @@ MODULE_DEVICE_TABLE(of, vcpu_stall_detect_of_match);
static struct platform_driver vcpu_stall_detect_driver = {
.probe = vcpu_stall_detect_probe,
- .remove = vcpu_stall_detect_remove,
+ .remove_new = vcpu_stall_detect_remove,
.driver = {
.name = KBUILD_MODNAME,
.of_match_table = vcpu_stall_detect_of_match,
--
GitLab
From 2743e96f8882d7d9772e2112db9114048cceac4a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 21 Feb 2024 10:53:54 +0100
Subject: [PATCH 0952/2686] misc: xilinx_sdfec: Convert to platform remove
callback returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/705b89c3cd7c0a42ce3f482f202204f5e3377aa2.1708508896.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/xilinx_sdfec.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/xilinx_sdfec.c b/drivers/misc/xilinx_sdfec.c
index 94a0ee19bf20a..ea433695f4c47 100644
--- a/drivers/misc/xilinx_sdfec.c
+++ b/drivers/misc/xilinx_sdfec.c
@@ -1420,7 +1420,7 @@ static int xsdfec_probe(struct platform_device *pdev)
return err;
}
-static int xsdfec_remove(struct platform_device *pdev)
+static void xsdfec_remove(struct platform_device *pdev)
{
struct xsdfec_dev *xsdfec;
@@ -1428,7 +1428,6 @@ static int xsdfec_remove(struct platform_device *pdev)
misc_deregister(&xsdfec->miscdev);
ida_free(&dev_nrs, xsdfec->dev_id);
xsdfec_disable_all_clks(&xsdfec->clks);
- return 0;
}
static const struct of_device_id xsdfec_of_match[] = {
@@ -1445,7 +1444,7 @@ static struct platform_driver xsdfec_driver = {
.of_match_table = xsdfec_of_match,
},
.probe = xsdfec_probe,
- .remove = xsdfec_remove,
+ .remove_new = xsdfec_remove,
};
module_platform_driver(xsdfec_driver);
--
GitLab
From 37efe116bea197c17cdae0861e0004ca70f10d5c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 21 Feb 2024 10:53:55 +0100
Subject: [PATCH 0953/2686] misc: xilinx_tmr_inject: Convert to platform remove
callback returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/198112757eac0fc004677a4757ce48ae7c7194ab.1708508896.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/xilinx_tmr_inject.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/xilinx_tmr_inject.c b/drivers/misc/xilinx_tmr_inject.c
index 9fc5835bfebc2..73c6da7d09631 100644
--- a/drivers/misc/xilinx_tmr_inject.c
+++ b/drivers/misc/xilinx_tmr_inject.c
@@ -143,11 +143,10 @@ static int xtmr_inject_probe(struct platform_device *pdev)
return 0;
}
-static int xtmr_inject_remove(struct platform_device *pdev)
+static void xtmr_inject_remove(struct platform_device *pdev)
{
debugfs_remove_recursive(dbgfs_root);
dbgfs_root = NULL;
- return 0;
}
static const struct of_device_id xtmr_inject_of_match[] = {
@@ -164,7 +163,7 @@ static struct platform_driver xtmr_inject_driver = {
.of_match_table = xtmr_inject_of_match,
},
.probe = xtmr_inject_probe,
- .remove = xtmr_inject_remove,
+ .remove_new = xtmr_inject_remove,
};
module_platform_driver(xtmr_inject_driver);
MODULE_AUTHOR("Advanced Micro Devices, Inc");
--
GitLab
From 9e63836703a43950f4556d1304cf60fd1221e0a1 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Mon, 4 Mar 2024 19:03:34 +0200
Subject: [PATCH 0954/2686] remoteproc: qcom: pas: correct data indentation
Correct indentation of several struct adsp_data instances to always use
a single TAB character instead of two.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240304-qcom-pd-mapper-v3-4-6858fa1ac1c8@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/remoteproc/qcom_q6v5_pas.c | 124 ++++++++++++++---------------
1 file changed, 62 insertions(+), 62 deletions(-)
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index d0b1f0f38347b..3235249d703dd 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -807,24 +807,24 @@ static void adsp_remove(struct platform_device *pdev)
}
static const struct adsp_data adsp_resource_init = {
- .crash_reason_smem = 423,
- .firmware_name = "adsp.mdt",
- .pas_id = 1,
- .auto_boot = true,
- .ssr_name = "lpass",
- .sysmon_name = "adsp",
- .ssctl_id = 0x14,
+ .crash_reason_smem = 423,
+ .firmware_name = "adsp.mdt",
+ .pas_id = 1,
+ .auto_boot = true,
+ .ssr_name = "lpass",
+ .sysmon_name = "adsp",
+ .ssctl_id = 0x14,
};
static const struct adsp_data sdm845_adsp_resource_init = {
- .crash_reason_smem = 423,
- .firmware_name = "adsp.mdt",
- .pas_id = 1,
- .auto_boot = true,
- .load_state = "adsp",
- .ssr_name = "lpass",
- .sysmon_name = "adsp",
- .ssctl_id = 0x14,
+ .crash_reason_smem = 423,
+ .firmware_name = "adsp.mdt",
+ .pas_id = 1,
+ .auto_boot = true,
+ .load_state = "adsp",
+ .ssr_name = "lpass",
+ .sysmon_name = "adsp",
+ .ssctl_id = 0x14,
};
static const struct adsp_data sm6350_adsp_resource = {
@@ -859,18 +859,18 @@ static const struct adsp_data sm6375_mpss_resource = {
};
static const struct adsp_data sm8150_adsp_resource = {
- .crash_reason_smem = 423,
- .firmware_name = "adsp.mdt",
- .pas_id = 1,
- .auto_boot = true,
- .proxy_pd_names = (char*[]){
- "cx",
- NULL
- },
- .load_state = "adsp",
- .ssr_name = "lpass",
- .sysmon_name = "adsp",
- .ssctl_id = 0x14,
+ .crash_reason_smem = 423,
+ .firmware_name = "adsp.mdt",
+ .pas_id = 1,
+ .auto_boot = true,
+ .proxy_pd_names = (char*[]){
+ "cx",
+ NULL
+ },
+ .load_state = "adsp",
+ .ssr_name = "lpass",
+ .sysmon_name = "adsp",
+ .ssctl_id = 0x14,
};
static const struct adsp_data sm8250_adsp_resource = {
@@ -906,17 +906,17 @@ static const struct adsp_data sm8350_adsp_resource = {
};
static const struct adsp_data msm8996_adsp_resource = {
- .crash_reason_smem = 423,
- .firmware_name = "adsp.mdt",
- .pas_id = 1,
- .auto_boot = true,
- .proxy_pd_names = (char*[]){
- "cx",
- NULL
- },
- .ssr_name = "lpass",
- .sysmon_name = "adsp",
- .ssctl_id = 0x14,
+ .crash_reason_smem = 423,
+ .firmware_name = "adsp.mdt",
+ .pas_id = 1,
+ .auto_boot = true,
+ .proxy_pd_names = (char*[]){
+ "cx",
+ NULL
+ },
+ .ssr_name = "lpass",
+ .sysmon_name = "adsp",
+ .ssctl_id = 0x14,
};
static const struct adsp_data cdsp_resource_init = {
@@ -1063,33 +1063,33 @@ static const struct adsp_data sc8180x_mpss_resource = {
};
static const struct adsp_data msm8996_slpi_resource_init = {
- .crash_reason_smem = 424,
- .firmware_name = "slpi.mdt",
- .pas_id = 12,
- .auto_boot = true,
- .proxy_pd_names = (char*[]){
- "ssc_cx",
- NULL
- },
- .ssr_name = "dsps",
- .sysmon_name = "slpi",
- .ssctl_id = 0x16,
+ .crash_reason_smem = 424,
+ .firmware_name = "slpi.mdt",
+ .pas_id = 12,
+ .auto_boot = true,
+ .proxy_pd_names = (char*[]){
+ "ssc_cx",
+ NULL
+ },
+ .ssr_name = "dsps",
+ .sysmon_name = "slpi",
+ .ssctl_id = 0x16,
};
static const struct adsp_data sdm845_slpi_resource_init = {
- .crash_reason_smem = 424,
- .firmware_name = "slpi.mdt",
- .pas_id = 12,
- .auto_boot = true,
- .proxy_pd_names = (char*[]){
- "lcx",
- "lmx",
- NULL
- },
- .load_state = "slpi",
- .ssr_name = "dsps",
- .sysmon_name = "slpi",
- .ssctl_id = 0x16,
+ .crash_reason_smem = 424,
+ .firmware_name = "slpi.mdt",
+ .pas_id = 12,
+ .auto_boot = true,
+ .proxy_pd_names = (char*[]){
+ "lcx",
+ "lmx",
+ NULL
+ },
+ .load_state = "slpi",
+ .ssr_name = "dsps",
+ .sysmon_name = "slpi",
+ .ssctl_id = 0x16,
};
static const struct adsp_data wcss_resource_init = {
--
GitLab
From 9023bd9b8a41ae118dd5155b8565ac657427113e Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Mon, 26 Feb 2024 13:28:54 +0100
Subject: [PATCH 0955/2686] dt-bindings: remoteproc: qcom,glink-rpm-edge: drop
redundant type from label
dtschema defines label as string, so $ref in other bindings is
redundant.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240226122854.86197-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
.../devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml | 1 -
1 file changed, 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml
index 884158bccd507..3766d4513b379 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml
@@ -18,7 +18,6 @@ properties:
const: qcom,glink-rpm
label:
- $ref: /schemas/types.yaml#/definitions/string
description:
Name of the edge, used for debugging and identification purposes. The
node name will be used if this is not present.
--
GitLab
From 506355c5778fdaac942215b14273176f6a39c3c4 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Mon, 15 Jan 2024 19:20:31 +0100
Subject: [PATCH 0956/2686] dt-bindings: remoteproc: do not override
firmware-name $ref
dtschema package defines firmware-name as string-array, so individual
bindings should not make it a string but instead just narrow the number
of expected firmware file names.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240115182031.1610088-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml | 4 ++--
.../devicetree/bindings/remoteproc/qcom,qcs404-pas.yaml | 2 +-
.../devicetree/bindings/remoteproc/qcom,sc7180-pas.yaml | 2 +-
.../devicetree/bindings/remoteproc/qcom,sc7280-wpss-pil.yaml | 2 +-
.../devicetree/bindings/remoteproc/qcom,sc8180x-pas.yaml | 2 +-
.../devicetree/bindings/remoteproc/qcom,sm6115-pas.yaml | 2 +-
.../devicetree/bindings/remoteproc/qcom,sm6350-pas.yaml | 2 +-
.../devicetree/bindings/remoteproc/qcom,sm6375-pas.yaml | 2 +-
.../devicetree/bindings/remoteproc/qcom,sm8150-pas.yaml | 2 +-
.../devicetree/bindings/remoteproc/qcom,sm8350-pas.yaml | 2 +-
.../devicetree/bindings/remoteproc/qcom,wcnss-pil.yaml | 2 +-
11 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
index 09102dda4942c..507f98f73d235 100644
--- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
@@ -47,7 +47,7 @@ properties:
maxItems: 1
firmware-name:
- $ref: /schemas/types.yaml#/definitions/string
+ maxItems: 1
description:
If present, name (or relative path) of the file within the
firmware search path containing the firmware image used when
@@ -115,7 +115,7 @@ patternProperties:
maxItems: 1
firmware-name:
- $ref: /schemas/types.yaml#/definitions/string
+ maxItems: 1
description:
If present, name (or relative path) of the file within the
firmware search path containing the firmware image used when
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,qcs404-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,qcs404-pas.yaml
index eb868a7ff4cd8..ad45fd00ae346 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,qcs404-pas.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,qcs404-pas.yaml
@@ -46,7 +46,7 @@ properties:
description: Reference to the reserved-memory for the Hexagon core
firmware-name:
- $ref: /schemas/types.yaml#/definitions/string
+ maxItems: 1
description: Firmware name for the Hexagon core
required:
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sc7180-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sc7180-pas.yaml
index c054b84fdcd5c..66b455d0a8e32 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,sc7180-pas.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sc7180-pas.yaml
@@ -45,7 +45,7 @@ properties:
smd-edge: false
firmware-name:
- $ref: /schemas/types.yaml#/definitions/string
+ maxItems: 1
description: Firmware name for the Hexagon core
required:
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-wpss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-wpss-pil.yaml
index b6bd334385845..9381c7022ff49 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-wpss-pil.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-wpss-pil.yaml
@@ -80,7 +80,7 @@ properties:
description: Reference to the reserved-memory for the Hexagon core
firmware-name:
- $ref: /schemas/types.yaml#/definitions/string
+ maxItems: 1
description:
The name of the firmware which should be loaded for this remote
processor.
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sc8180x-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sc8180x-pas.yaml
index 4744a37b2b5d7..45ee9fbe09664 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,sc8180x-pas.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sc8180x-pas.yaml
@@ -42,7 +42,7 @@ properties:
description: Reference to the reserved-memory for the Hexagon core
firmware-name:
- $ref: /schemas/types.yaml#/definitions/string
+ maxItems: 1
description: Firmware name for the Hexagon core
required:
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sm6115-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sm6115-pas.yaml
index 0282872359122..758adb06c8ddd 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,sm6115-pas.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sm6115-pas.yaml
@@ -47,7 +47,7 @@ properties:
smd-edge: false
firmware-name:
- $ref: /schemas/types.yaml#/definitions/string
+ maxItems: 1
description: Firmware name for the Hexagon core
required:
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sm6350-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sm6350-pas.yaml
index f7e40fb166da1..c1a3cc308bdb2 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,sm6350-pas.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sm6350-pas.yaml
@@ -42,7 +42,7 @@ properties:
smd-edge: false
firmware-name:
- $ref: /schemas/types.yaml#/definitions/string
+ maxItems: 1
description: Firmware name for the Hexagon core
required:
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sm6375-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sm6375-pas.yaml
index 3e4a03eb4532b..7286b2baa19f2 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,sm6375-pas.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sm6375-pas.yaml
@@ -36,7 +36,7 @@ properties:
description: Reference to the reserved-memory for the Hexagon core
firmware-name:
- $ref: /schemas/types.yaml#/definitions/string
+ maxItems: 1
description: Firmware name for the Hexagon core
smd-edge: false
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sm8150-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sm8150-pas.yaml
index 238c6e5e67c56..d67386c50fa4d 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,sm8150-pas.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sm8150-pas.yaml
@@ -46,7 +46,7 @@ properties:
smd-edge: false
firmware-name:
- $ref: /schemas/types.yaml#/definitions/string
+ maxItems: 1
description: Firmware name for the Hexagon core
required:
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sm8350-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sm8350-pas.yaml
index 53cea8e53a311..4b9fb74fb9e96 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,sm8350-pas.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sm8350-pas.yaml
@@ -47,7 +47,7 @@ properties:
description: Reference to the reserved-memory for the Hexagon core
firmware-name:
- $ref: /schemas/types.yaml#/definitions/string
+ maxItems: 1
description: Firmware name for the Hexagon core
required:
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.yaml
index 45eb42bd3c2cd..8e033b22d28cf 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.yaml
@@ -51,7 +51,7 @@ properties:
- const: stop-ack
firmware-name:
- $ref: /schemas/types.yaml#/definitions/string
+ maxItems: 1
description:
Relative firmware image path for the WCNSS core. Defaults to
"wcnss.mdt".
--
GitLab
From 5789e877b93bc798f2cf0c13510b0602f96549f7 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 12:46:26 -0600
Subject: [PATCH 0957/2686] remoteproc: qcom_q6v5_adsp: Use devm_rproc_alloc()
helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-3-afd@ti.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/remoteproc/qcom_q6v5_adsp.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)
diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c
index 6c67514cc4931..34ac996a93b20 100644
--- a/drivers/remoteproc/qcom_q6v5_adsp.c
+++ b/drivers/remoteproc/qcom_q6v5_adsp.c
@@ -683,8 +683,8 @@ static int adsp_probe(struct platform_device *pdev)
return ret;
}
- rproc = rproc_alloc(&pdev->dev, pdev->name, &adsp_ops,
- firmware_name, sizeof(*adsp));
+ rproc = devm_rproc_alloc(&pdev->dev, pdev->name, &adsp_ops,
+ firmware_name, sizeof(*adsp));
if (!rproc) {
dev_err(&pdev->dev, "unable to allocate remoteproc\n");
return -ENOMEM;
@@ -709,17 +709,17 @@ static int adsp_probe(struct platform_device *pdev)
ret = adsp_alloc_memory_region(adsp);
if (ret)
- goto free_rproc;
+ return ret;
ret = adsp_init_clock(adsp, desc->clk_ids);
if (ret)
- goto free_rproc;
+ return ret;
ret = qcom_rproc_pds_attach(adsp->dev, adsp,
desc->proxy_pd_names);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to attach proxy power domains\n");
- goto free_rproc;
+ return ret;
}
adsp->proxy_pd_count = ret;
@@ -755,9 +755,6 @@ static int adsp_probe(struct platform_device *pdev)
disable_pm:
qcom_rproc_pds_detach(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
-free_rproc:
- rproc_free(rproc);
-
return ret;
}
@@ -772,7 +769,6 @@ static void adsp_remove(struct platform_device *pdev)
qcom_remove_sysmon_subdev(adsp->sysmon);
qcom_remove_ssr_subdev(adsp->rproc, &adsp->ssr_subdev);
qcom_rproc_pds_detach(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
- rproc_free(adsp->rproc);
}
static const struct adsp_pil_data adsp_resource_init = {
--
GitLab
From 2f09fa9f7afb1352edbd5b59f42871fb2227bb9a Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 12:46:27 -0600
Subject: [PATCH 0958/2686] remoteproc: qcom_q6v5_mss: Use devm_rproc_alloc()
helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-4-afd@ti.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/remoteproc/qcom_q6v5_mss.c | 28 ++++++++++++----------------
1 file changed, 12 insertions(+), 16 deletions(-)
diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c
index 394b2c1cb5e21..1779fc890e102 100644
--- a/drivers/remoteproc/qcom_q6v5_mss.c
+++ b/drivers/remoteproc/qcom_q6v5_mss.c
@@ -1990,8 +1990,8 @@ static int q6v5_probe(struct platform_device *pdev)
return ret;
}
- rproc = rproc_alloc(&pdev->dev, pdev->name, &q6v5_ops,
- mba_image, sizeof(*qproc));
+ rproc = devm_rproc_alloc(&pdev->dev, pdev->name, &q6v5_ops,
+ mba_image, sizeof(*qproc));
if (!rproc) {
dev_err(&pdev->dev, "failed to allocate rproc\n");
return -ENOMEM;
@@ -2008,7 +2008,7 @@ static int q6v5_probe(struct platform_device *pdev)
1, &qproc->hexagon_mdt_image);
if (ret < 0 && ret != -EINVAL) {
dev_err(&pdev->dev, "unable to read mpss firmware-name\n");
- goto free_rproc;
+ return ret;
}
platform_set_drvdata(pdev, qproc);
@@ -2019,17 +2019,17 @@ static int q6v5_probe(struct platform_device *pdev)
qproc->has_spare_reg = desc->has_spare_reg;
ret = q6v5_init_mem(qproc, pdev);
if (ret)
- goto free_rproc;
+ return ret;
ret = q6v5_alloc_memory_region(qproc);
if (ret)
- goto free_rproc;
+ return ret;
ret = q6v5_init_clocks(&pdev->dev, qproc->proxy_clks,
desc->proxy_clk_names);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to get proxy clocks.\n");
- goto free_rproc;
+ return ret;
}
qproc->proxy_clk_count = ret;
@@ -2037,7 +2037,7 @@ static int q6v5_probe(struct platform_device *pdev)
desc->reset_clk_names);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to get reset clocks.\n");
- goto free_rproc;
+ return ret;
}
qproc->reset_clk_count = ret;
@@ -2045,7 +2045,7 @@ static int q6v5_probe(struct platform_device *pdev)
desc->active_clk_names);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to get active clocks.\n");
- goto free_rproc;
+ return ret;
}
qproc->active_clk_count = ret;
@@ -2053,7 +2053,7 @@ static int q6v5_probe(struct platform_device *pdev)
desc->proxy_supply);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to get proxy regulators.\n");
- goto free_rproc;
+ return ret;
}
qproc->proxy_reg_count = ret;
@@ -2061,7 +2061,7 @@ static int q6v5_probe(struct platform_device *pdev)
desc->active_supply);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to get active regulators.\n");
- goto free_rproc;
+ return ret;
}
qproc->active_reg_count = ret;
@@ -2074,12 +2074,12 @@ static int q6v5_probe(struct platform_device *pdev)
desc->fallback_proxy_supply);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to get fallback proxy regulators.\n");
- goto free_rproc;
+ return ret;
}
qproc->fallback_proxy_reg_count = ret;
} else if (ret < 0) {
dev_err(&pdev->dev, "Failed to init power domains\n");
- goto free_rproc;
+ return ret;
} else {
qproc->proxy_pd_count = ret;
}
@@ -2127,8 +2127,6 @@ static int q6v5_probe(struct platform_device *pdev)
qcom_remove_glink_subdev(rproc, &qproc->glink_subdev);
detach_proxy_pds:
q6v5_pds_detach(qproc, qproc->proxy_pds, qproc->proxy_pd_count);
-free_rproc:
- rproc_free(rproc);
return ret;
}
@@ -2149,8 +2147,6 @@ static void q6v5_remove(struct platform_device *pdev)
qcom_remove_glink_subdev(rproc, &qproc->glink_subdev);
q6v5_pds_detach(qproc, qproc->proxy_pds, qproc->proxy_pd_count);
-
- rproc_free(rproc);
}
static const struct rproc_hexagon_res sc7180_mss = {
--
GitLab
From 35049a98a4dcfe2906c8dc127bee451799d3a8c3 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 12:46:28 -0600
Subject: [PATCH 0959/2686] remoteproc: qcom_q6v5_pas: Use devm_rproc_alloc()
helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-5-afd@ti.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/remoteproc/qcom_q6v5_pas.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 3235249d703dd..452e96392525d 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -705,7 +705,7 @@ static int adsp_probe(struct platform_device *pdev)
if (desc->minidump_id)
ops = &adsp_minidump_ops;
- rproc = rproc_alloc(&pdev->dev, pdev->name, ops, fw_name, sizeof(*adsp));
+ rproc = devm_rproc_alloc(&pdev->dev, pdev->name, ops, fw_name, sizeof(*adsp));
if (!rproc) {
dev_err(&pdev->dev, "unable to allocate remoteproc\n");
@@ -784,7 +784,6 @@ static int adsp_probe(struct platform_device *pdev)
adsp_pds_detach(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
free_rproc:
device_init_wakeup(adsp->dev, false);
- rproc_free(rproc);
return ret;
}
@@ -803,7 +802,6 @@ static void adsp_remove(struct platform_device *pdev)
qcom_remove_ssr_subdev(adsp->rproc, &adsp->ssr_subdev);
adsp_pds_detach(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
device_init_wakeup(adsp->dev, false);
- rproc_free(adsp->rproc);
}
static const struct adsp_data adsp_resource_init = {
--
GitLab
From 41854ea92baad3788bd8735312375e6dd3a54ad3 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 12:46:29 -0600
Subject: [PATCH 0960/2686] remoteproc: qcom_q6v5_wcss: Use devm_rproc_alloc()
helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-6-afd@ti.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/remoteproc/qcom_q6v5_wcss.c | 24 +++++++++---------------
1 file changed, 9 insertions(+), 15 deletions(-)
diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c
index cff1fa07d1def..94f68c919ee62 100644
--- a/drivers/remoteproc/qcom_q6v5_wcss.c
+++ b/drivers/remoteproc/qcom_q6v5_wcss.c
@@ -1011,8 +1011,8 @@ static int q6v5_wcss_probe(struct platform_device *pdev)
if (!desc)
return -EINVAL;
- rproc = rproc_alloc(&pdev->dev, pdev->name, desc->ops,
- desc->firmware_name, sizeof(*wcss));
+ rproc = devm_rproc_alloc(&pdev->dev, pdev->name, desc->ops,
+ desc->firmware_name, sizeof(*wcss));
if (!rproc) {
dev_err(&pdev->dev, "failed to allocate rproc\n");
return -ENOMEM;
@@ -1027,29 +1027,29 @@ static int q6v5_wcss_probe(struct platform_device *pdev)
ret = q6v5_wcss_init_mmio(wcss, pdev);
if (ret)
- goto free_rproc;
+ return ret;
ret = q6v5_alloc_memory_region(wcss);
if (ret)
- goto free_rproc;
+ return ret;
if (wcss->version == WCSS_QCS404) {
ret = q6v5_wcss_init_clock(wcss);
if (ret)
- goto free_rproc;
+ return ret;
ret = q6v5_wcss_init_regulator(wcss);
if (ret)
- goto free_rproc;
+ return ret;
}
ret = q6v5_wcss_init_reset(wcss, desc);
if (ret)
- goto free_rproc;
+ return ret;
ret = qcom_q6v5_init(&wcss->q6v5, pdev, rproc, desc->crash_reason_smem, NULL, NULL);
if (ret)
- goto free_rproc;
+ return ret;
qcom_add_glink_subdev(rproc, &wcss->glink_subdev, "q6wcss");
qcom_add_ssr_subdev(rproc, &wcss->ssr_subdev, "q6wcss");
@@ -1061,16 +1061,11 @@ static int q6v5_wcss_probe(struct platform_device *pdev)
ret = rproc_add(rproc);
if (ret)
- goto free_rproc;
+ return ret;
platform_set_drvdata(pdev, rproc);
return 0;
-
-free_rproc:
- rproc_free(rproc);
-
- return ret;
}
static void q6v5_wcss_remove(struct platform_device *pdev)
@@ -1080,7 +1075,6 @@ static void q6v5_wcss_remove(struct platform_device *pdev)
qcom_q6v5_deinit(&wcss->q6v5);
rproc_del(rproc);
- rproc_free(rproc);
}
static const struct wcss_data wcss_ipq8074_res_init = {
--
GitLab
From c92ab8aaf42e84f33d690ea9cb292483dd9c2761 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Tue, 23 Jan 2024 12:46:30 -0600
Subject: [PATCH 0961/2686] remoteproc: qcom_wcnss: Use devm_rproc_alloc()
helper
Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184632.725054-7-afd@ti.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/remoteproc/qcom_wcnss.c | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)
diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c
index 90de22c81da97..a7bb9da27029d 100644
--- a/drivers/remoteproc/qcom_wcnss.c
+++ b/drivers/remoteproc/qcom_wcnss.c
@@ -555,8 +555,8 @@ static int wcnss_probe(struct platform_device *pdev)
if (ret < 0 && ret != -EINVAL)
return ret;
- rproc = rproc_alloc(&pdev->dev, pdev->name, &wcnss_ops,
- fw_name, sizeof(*wcnss));
+ rproc = devm_rproc_alloc(&pdev->dev, pdev->name, &wcnss_ops,
+ fw_name, sizeof(*wcnss));
if (!rproc) {
dev_err(&pdev->dev, "unable to allocate remoteproc\n");
return -ENOMEM;
@@ -574,14 +574,12 @@ static int wcnss_probe(struct platform_device *pdev)
mutex_init(&wcnss->iris_lock);
mmio = devm_platform_ioremap_resource_byname(pdev, "pmu");
- if (IS_ERR(mmio)) {
- ret = PTR_ERR(mmio);
- goto free_rproc;
- }
+ if (IS_ERR(mmio))
+ return PTR_ERR(mmio);
ret = wcnss_alloc_memory_region(wcnss);
if (ret)
- goto free_rproc;
+ return ret;
wcnss->pmu_cfg = mmio + data->pmu_offset;
wcnss->spare_out = mmio + data->spare_offset;
@@ -592,7 +590,7 @@ static int wcnss_probe(struct platform_device *pdev)
*/
ret = wcnss_init_pds(wcnss, data->pd_names);
if (ret && (ret != -ENODATA || !data->num_pd_vregs))
- goto free_rproc;
+ return ret;
ret = wcnss_init_regulators(wcnss, data->vregs, data->num_vregs,
data->num_pd_vregs);
@@ -656,8 +654,6 @@ static int wcnss_probe(struct platform_device *pdev)
qcom_iris_remove(wcnss->iris);
detach_pds:
wcnss_release_pds(wcnss);
-free_rproc:
- rproc_free(rproc);
return ret;
}
@@ -673,7 +669,6 @@ static void wcnss_remove(struct platform_device *pdev)
qcom_remove_sysmon_subdev(wcnss->sysmon);
qcom_remove_smd_subdev(wcnss->rproc, &wcnss->smd_subdev);
wcnss_release_pds(wcnss);
- rproc_free(wcnss->rproc);
}
static const struct of_device_id wcnss_of_match[] = {
--
GitLab
From 19856a07e5fd25821084b6b8d9ef177d21909483 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Thu, 8 Feb 2024 10:51:11 -0600
Subject: [PATCH 0962/2686] hwspinlock: omap: Remove unneeded check for OF node
We do not use the OF node anymore, nor does it matter how
we got to probe, so remove the check for of_node.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240208165114.63148-1-afd@ti.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/hwspinlock/omap_hwspinlock.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/hwspinlock/omap_hwspinlock.c b/drivers/hwspinlock/omap_hwspinlock.c
index a9fd9ca45f2a8..cca55143d24d4 100644
--- a/drivers/hwspinlock/omap_hwspinlock.c
+++ b/drivers/hwspinlock/omap_hwspinlock.c
@@ -74,7 +74,6 @@ static const struct hwspinlock_ops omap_hwspinlock_ops = {
static int omap_hwspinlock_probe(struct platform_device *pdev)
{
- struct device_node *node = pdev->dev.of_node;
struct hwspinlock_device *bank;
struct hwspinlock *hwlock;
void __iomem *io_base;
@@ -82,9 +81,6 @@ static int omap_hwspinlock_probe(struct platform_device *pdev)
/* Only a single hwspinlock block device is supported */
int base_id = 0;
- if (!node)
- return -ENODEV;
-
io_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(io_base))
return PTR_ERR(io_base);
--
GitLab
From 25f7d74d451484fc09772fc276b161d1a6bc64b6 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Thu, 8 Feb 2024 10:51:12 -0600
Subject: [PATCH 0963/2686] hwspinlock: omap: Use devm_pm_runtime_enable()
helper
This disables runtime PM on module exit automatically for us, currently
we manually disable runtime PM which can be error-prone if not done
in the right order or missed in some exit path. This also allows us
to simplify the probe exit path and remove callbacks. Do that here.
While here, as we can now return right after registering our hwspinlock,
simply return directly and remove the extra debug message.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240208165114.63148-2-afd@ti.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/hwspinlock/omap_hwspinlock.c | 33 +++++++---------------------
1 file changed, 8 insertions(+), 25 deletions(-)
diff --git a/drivers/hwspinlock/omap_hwspinlock.c b/drivers/hwspinlock/omap_hwspinlock.c
index cca55143d24d4..3bd3ffab92100 100644
--- a/drivers/hwspinlock/omap_hwspinlock.c
+++ b/drivers/hwspinlock/omap_hwspinlock.c
@@ -89,10 +89,10 @@ static int omap_hwspinlock_probe(struct platform_device *pdev)
* make sure the module is enabled and clocked before reading
* the module SYSSTATUS register
*/
- pm_runtime_enable(&pdev->dev);
+ devm_pm_runtime_enable(&pdev->dev);
ret = pm_runtime_resume_and_get(&pdev->dev);
if (ret < 0)
- goto runtime_err;
+ return ret;
/* Determine number of locks */
i = readl(io_base + SYSSTATUS_OFFSET);
@@ -104,41 +104,26 @@ static int omap_hwspinlock_probe(struct platform_device *pdev)
*/
ret = pm_runtime_put(&pdev->dev);
if (ret < 0)
- goto runtime_err;
+ return ret;
/* one of the four lsb's must be set, and nothing else */
- if (hweight_long(i & 0xf) != 1 || i > 8) {
- ret = -EINVAL;
- goto runtime_err;
- }
+ if (hweight_long(i & 0xf) != 1 || i > 8)
+ return -EINVAL;
num_locks = i * 32; /* actual number of locks in this device */
bank = devm_kzalloc(&pdev->dev, struct_size(bank, lock, num_locks),
GFP_KERNEL);
- if (!bank) {
- ret = -ENOMEM;
- goto runtime_err;
- }
+ if (!bank)
+ return -ENOMEM;
platform_set_drvdata(pdev, bank);
for (i = 0, hwlock = &bank->lock[0]; i < num_locks; i++, hwlock++)
hwlock->priv = io_base + LOCK_BASE_OFFSET + sizeof(u32) * i;
- ret = hwspin_lock_register(bank, &pdev->dev, &omap_hwspinlock_ops,
+ return hwspin_lock_register(bank, &pdev->dev, &omap_hwspinlock_ops,
base_id, num_locks);
- if (ret)
- goto runtime_err;
-
- dev_dbg(&pdev->dev, "Registered %d locks with HwSpinlock core\n",
- num_locks);
-
- return 0;
-
-runtime_err:
- pm_runtime_disable(&pdev->dev);
- return ret;
}
static void omap_hwspinlock_remove(struct platform_device *pdev)
@@ -151,8 +136,6 @@ static void omap_hwspinlock_remove(struct platform_device *pdev)
dev_err(&pdev->dev, "%s failed: %d\n", __func__, ret);
return;
}
-
- pm_runtime_disable(&pdev->dev);
}
static const struct of_device_id omap_hwspinlock_of_match[] = {
--
GitLab
From 8781ec87795a8812b22579ba7ccdc0fdc16ba003 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Thu, 8 Feb 2024 10:51:13 -0600
Subject: [PATCH 0964/2686] hwspinlock: omap: Use devm_hwspin_lock_register()
helper
This will unregister the HW spinlock on module exit automatically for us,
currently we manually unregister which can be error-prone if not done in
the right order. This also allows us to remove the remove callback.
Do that here.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240208165114.63148-3-afd@ti.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/hwspinlock/omap_hwspinlock.c | 17 +----------------
1 file changed, 1 insertion(+), 16 deletions(-)
diff --git a/drivers/hwspinlock/omap_hwspinlock.c b/drivers/hwspinlock/omap_hwspinlock.c
index 3bd3ffab92100..fe73da80018b1 100644
--- a/drivers/hwspinlock/omap_hwspinlock.c
+++ b/drivers/hwspinlock/omap_hwspinlock.c
@@ -117,27 +117,13 @@ static int omap_hwspinlock_probe(struct platform_device *pdev)
if (!bank)
return -ENOMEM;
- platform_set_drvdata(pdev, bank);
-
for (i = 0, hwlock = &bank->lock[0]; i < num_locks; i++, hwlock++)
hwlock->priv = io_base + LOCK_BASE_OFFSET + sizeof(u32) * i;
- return hwspin_lock_register(bank, &pdev->dev, &omap_hwspinlock_ops,
+ return devm_hwspin_lock_register(&pdev->dev, bank, &omap_hwspinlock_ops,
base_id, num_locks);
}
-static void omap_hwspinlock_remove(struct platform_device *pdev)
-{
- struct hwspinlock_device *bank = platform_get_drvdata(pdev);
- int ret;
-
- ret = hwspin_lock_unregister(bank);
- if (ret) {
- dev_err(&pdev->dev, "%s failed: %d\n", __func__, ret);
- return;
- }
-}
-
static const struct of_device_id omap_hwspinlock_of_match[] = {
{ .compatible = "ti,omap4-hwspinlock", },
{ .compatible = "ti,am64-hwspinlock", },
@@ -148,7 +134,6 @@ MODULE_DEVICE_TABLE(of, omap_hwspinlock_of_match);
static struct platform_driver omap_hwspinlock_driver = {
.probe = omap_hwspinlock_probe,
- .remove_new = omap_hwspinlock_remove,
.driver = {
.name = "omap_hwspinlock",
.of_match_table = omap_hwspinlock_of_match,
--
GitLab
From cebaa386d5ee1a44a58c12f1d220f62cc567fdb0 Mon Sep 17 00:00:00 2001
From: Andrew Davis <afd@ti.com>
Date: Thu, 8 Feb 2024 10:51:14 -0600
Subject: [PATCH 0965/2686] hwspinlock: omap: Use index to get hwspinlock
pointer
For loops with multiple initializers and increments are hard to read
and reason about, simplify this by using the looping index to index
into the hwspinlock array.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240208165114.63148-4-afd@ti.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/hwspinlock/omap_hwspinlock.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/hwspinlock/omap_hwspinlock.c b/drivers/hwspinlock/omap_hwspinlock.c
index fe73da80018b1..27b47b8623c09 100644
--- a/drivers/hwspinlock/omap_hwspinlock.c
+++ b/drivers/hwspinlock/omap_hwspinlock.c
@@ -75,7 +75,6 @@ static const struct hwspinlock_ops omap_hwspinlock_ops = {
static int omap_hwspinlock_probe(struct platform_device *pdev)
{
struct hwspinlock_device *bank;
- struct hwspinlock *hwlock;
void __iomem *io_base;
int num_locks, i, ret;
/* Only a single hwspinlock block device is supported */
@@ -117,8 +116,8 @@ static int omap_hwspinlock_probe(struct platform_device *pdev)
if (!bank)
return -ENOMEM;
- for (i = 0, hwlock = &bank->lock[0]; i < num_locks; i++, hwlock++)
- hwlock->priv = io_base + LOCK_BASE_OFFSET + sizeof(u32) * i;
+ for (i = 0; i < num_locks; i++)
+ bank->lock[i].priv = io_base + LOCK_BASE_OFFSET + sizeof(u32) * i;
return devm_hwspin_lock_register(&pdev->dev, bank, &omap_hwspinlock_ops,
base_id, num_locks);
--
GitLab
From 9e93276d6639a0bb701e69d393680c6fb07bc12e Mon Sep 17 00:00:00 2001
From: Abel Vesa <abel.vesa@linaro.org>
Date: Mon, 12 Feb 2024 19:02:42 +0200
Subject: [PATCH 0966/2686] dt-bindings: remoteproc: qcom,sm8550-pas: document
the X1E80100 aDSP & cDSP
Document the aDSP and cDSP Peripheral Authentication Service on the
X1E80100 Platform.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240212-x1e80100-remoteproc-v2-1-604614367f38@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
.../devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
index 5f63b6b9a8f5a..73fda7565cd12 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
@@ -22,6 +22,8 @@ properties:
- qcom,sm8650-adsp-pas
- qcom,sm8650-cdsp-pas
- qcom,sm8650-mpss-pas
+ - qcom,x1e80100-adsp-pas
+ - qcom,x1e80100-cdsp-pas
reg:
maxItems: 1
@@ -69,6 +71,8 @@ allOf:
- qcom,sm8550-adsp-pas
- qcom,sm8550-cdsp-pas
- qcom,sm8650-adsp-pas
+ - qcom,x1e80100-adsp-pas
+ - qcom,x1e80100-cdsp-pas
then:
properties:
interrupts:
@@ -126,6 +130,7 @@ allOf:
enum:
- qcom,sm8550-adsp-pas
- qcom,sm8650-adsp-pas
+ - qcom,x1e80100-adsp-pas
then:
properties:
power-domains:
@@ -159,6 +164,7 @@ allOf:
enum:
- qcom,sm8550-cdsp-pas
- qcom,sm8650-cdsp-pas
+ - qcom,x1e80100-cdsp-pas
then:
properties:
power-domains:
--
GitLab
From 1d7823f28631f139294646bb189de94b8a07c7f1 Mon Sep 17 00:00:00 2001
From: Sibi Sankar <quic_sibis@quicinc.com>
Date: Mon, 12 Feb 2024 19:02:43 +0200
Subject: [PATCH 0967/2686] remoteproc: qcom_q6v5_pas: Add support for X1E80100
ADSP/CDSP
Add support for PIL loading on ADSP and CDSP on X1E80100 SoCs.
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240212-x1e80100-remoteproc-v2-2-604614367f38@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/remoteproc/qcom_q6v5_pas.c | 41 ++++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 452e96392525d..3e2ced63a3e11 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -1012,6 +1012,45 @@ static const struct adsp_data sc8280xp_nsp1_resource = {
.ssctl_id = 0x20,
};
+static const struct adsp_data x1e80100_adsp_resource = {
+ .crash_reason_smem = 423,
+ .firmware_name = "adsp.mdt",
+ .dtb_firmware_name = "adsp_dtb.mdt",
+ .pas_id = 1,
+ .dtb_pas_id = 0x24,
+ .minidump_id = 5,
+ .auto_boot = true,
+ .proxy_pd_names = (char*[]){
+ "lcx",
+ "lmx",
+ NULL
+ },
+ .load_state = "adsp",
+ .ssr_name = "lpass",
+ .sysmon_name = "adsp",
+ .ssctl_id = 0x14,
+};
+
+static const struct adsp_data x1e80100_cdsp_resource = {
+ .crash_reason_smem = 601,
+ .firmware_name = "cdsp.mdt",
+ .dtb_firmware_name = "cdsp_dtb.mdt",
+ .pas_id = 18,
+ .dtb_pas_id = 0x25,
+ .minidump_id = 7,
+ .auto_boot = true,
+ .proxy_pd_names = (char*[]){
+ "cx",
+ "mxc",
+ "nsp",
+ NULL
+ },
+ .load_state = "cdsp",
+ .ssr_name = "cdsp",
+ .sysmon_name = "cdsp",
+ .ssctl_id = 0x17,
+};
+
static const struct adsp_data sm8350_cdsp_resource = {
.crash_reason_smem = 601,
.firmware_name = "cdsp.mdt",
@@ -1316,6 +1355,8 @@ static const struct of_device_id adsp_of_match[] = {
{ .compatible = "qcom,sm8650-adsp-pas", .data = &sm8550_adsp_resource},
{ .compatible = "qcom,sm8650-cdsp-pas", .data = &sm8650_cdsp_resource},
{ .compatible = "qcom,sm8650-mpss-pas", .data = &sm8650_mpss_resource},
+ { .compatible = "qcom,x1e80100-adsp-pas", .data = &x1e80100_adsp_resource},
+ { .compatible = "qcom,x1e80100-cdsp-pas", .data = &x1e80100_cdsp_resource},
{ },
};
MODULE_DEVICE_TABLE(of, adsp_of_match);
--
GitLab
From 62210f7509e13a2caa7b080722a45229b8f17a0a Mon Sep 17 00:00:00 2001
From: Sibi Sankar <quic_sibis@quicinc.com>
Date: Mon, 12 Feb 2024 19:02:44 +0200
Subject: [PATCH 0968/2686] remoteproc: qcom_q6v5_pas: Unload lite firmware on
ADSP
The UEFI loads a lite variant of the ADSP firmware to support charging
use cases. The kernel needs to unload and reload it with the firmware
that has full feature support for audio. This patch arbitarily shutsdown
the lite firmware before loading the full firmware.
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240212-x1e80100-remoteproc-v2-3-604614367f38@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
drivers/remoteproc/qcom_q6v5_pas.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 3e2ced63a3e11..54d8005d40a34 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -41,6 +41,7 @@ struct adsp_data {
const char *dtb_firmware_name;
int pas_id;
int dtb_pas_id;
+ int lite_pas_id;
unsigned int minidump_id;
bool auto_boot;
bool decrypt_shutdown;
@@ -77,6 +78,7 @@ struct qcom_adsp {
const char *dtb_firmware_name;
int pas_id;
int dtb_pas_id;
+ int lite_pas_id;
unsigned int minidump_id;
int crash_reason_smem;
bool decrypt_shutdown;
@@ -218,6 +220,9 @@ static int adsp_load(struct rproc *rproc, const struct firmware *fw)
/* Store firmware handle to be used in adsp_start() */
adsp->firmware = fw;
+ if (adsp->lite_pas_id)
+ ret = qcom_scm_pas_shutdown(adsp->lite_pas_id);
+
if (adsp->dtb_pas_id) {
ret = request_firmware(&adsp->dtb_firmware, adsp->dtb_firmware_name, adsp->dev);
if (ret) {
@@ -720,6 +725,7 @@ static int adsp_probe(struct platform_device *pdev)
adsp->rproc = rproc;
adsp->minidump_id = desc->minidump_id;
adsp->pas_id = desc->pas_id;
+ adsp->lite_pas_id = desc->lite_pas_id;
adsp->info_name = desc->sysmon_name;
adsp->decrypt_shutdown = desc->decrypt_shutdown;
adsp->region_assign_idx = desc->region_assign_idx;
@@ -1018,6 +1024,7 @@ static const struct adsp_data x1e80100_adsp_resource = {
.dtb_firmware_name = "adsp_dtb.mdt",
.pas_id = 1,
.dtb_pas_id = 0x24,
+ .lite_pas_id = 0x1f,
.minidump_id = 5,
.auto_boot = true,
.proxy_pd_names = (char*[]){
--
GitLab
From dfea18989aa7beb42c2cb6344fe8787de35d9471 Mon Sep 17 00:00:00 2001
From: Elbert Mai <code@elbertmai.com>
Date: Tue, 5 Mar 2024 16:15:03 -0800
Subject: [PATCH 0969/2686] usb: Clarify expected behavior of
dev_bin_attrs_are_visible()
The commit "usb: Export BOS descriptor to sysfs" added a binary attribute
group to sysfs. It doesn't check if the descriptors attribute should be
visible, which is by design and not an oversight. Update a comment so that
it better explains this in the dev_bin_attrs_are_visible() function.
Signed-off-by: Elbert Mai <code@elbertmai.com>
Link: https://lore.kernel.org/r/20240306001503.313028-1-code@elbertmai.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/sysfs.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 777526f597206..f98263e21c2a7 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -929,8 +929,11 @@ static umode_t dev_bin_attrs_are_visible(struct kobject *kobj,
struct device *dev = kobj_to_dev(kobj);
struct usb_device *udev = to_usb_device(dev);
- /* All USB devices have a device descriptor, so the descriptors
- * attribute always exists. No need to check for its visibility.
+ /*
+ * There's no need to check if the descriptors attribute should
+ * be visible because all devices have a device descriptor. The
+ * bos_descriptors attribute should be visible if and only if
+ * the device has a BOS, so check if it exists here.
*/
if (a == &bin_attr_bos_descriptors) {
if (udev->bos == NULL)
--
GitLab
From 00b9850e7307ff690639dd0584a50dd8a72d3548 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Fri, 5 Jan 2024 11:16:17 +0100
Subject: [PATCH 0970/2686] greybus: make greybus_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the greybus_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Alex Elder <elder@kernel.org>
Cc: greybus-dev@lists.linaro.org
Reviewed-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/2024010517-handgun-scoreless-05e7@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/greybus/core.c | 2 +-
include/linux/greybus.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/greybus/core.c b/drivers/greybus/core.c
index 5714be7404707..b0aadc1e7bbed 100644
--- a/drivers/greybus/core.c
+++ b/drivers/greybus/core.c
@@ -155,7 +155,7 @@ static void greybus_shutdown(struct device *dev)
}
}
-struct bus_type greybus_bus_type = {
+const struct bus_type greybus_bus_type = {
.name = "greybus",
.match = greybus_match_device,
.uevent = greybus_uevent,
diff --git a/include/linux/greybus.h b/include/linux/greybus.h
index 18c0fb958b740..92da9ec4f5f08 100644
--- a/include/linux/greybus.h
+++ b/include/linux/greybus.h
@@ -104,7 +104,7 @@ void gb_debugfs_init(void);
void gb_debugfs_cleanup(void);
struct dentry *gb_debugfs_get(void);
-extern struct bus_type greybus_bus_type;
+extern const struct bus_type greybus_bus_type;
extern struct device_type greybus_hd_type;
extern struct device_type greybus_module_type;
--
GitLab
From e869b72b33731063b50433eb6146d51a479995a1 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Mon, 19 Feb 2024 09:40:50 -0300
Subject: [PATCH 0971/2686] greybus: constify the struct device_type usage
Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the
greybus_hd_type, greybus_module_type, greybus_interface_type,
greybus_control_type, greybus_bundle_type and greybus_svc_type variables to
be constant structures as well, placing it into read-only memory which can
not be modified at runtime.
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20240219-device_cleanup-greybus-v1-1-babb3f65e8cc@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/greybus/bundle.c | 2 +-
drivers/greybus/control.c | 2 +-
drivers/greybus/hd.c | 2 +-
drivers/greybus/interface.c | 2 +-
drivers/greybus/module.c | 2 +-
drivers/greybus/svc.c | 2 +-
include/linux/greybus.h | 12 ++++++------
7 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/greybus/bundle.c b/drivers/greybus/bundle.c
index 84660729538b9..a6e1cca06172f 100644
--- a/drivers/greybus/bundle.c
+++ b/drivers/greybus/bundle.c
@@ -166,7 +166,7 @@ static const struct dev_pm_ops gb_bundle_pm_ops = {
SET_RUNTIME_PM_OPS(gb_bundle_suspend, gb_bundle_resume, gb_bundle_idle)
};
-struct device_type greybus_bundle_type = {
+const struct device_type greybus_bundle_type = {
.name = "greybus_bundle",
.release = gb_bundle_release,
.pm = &gb_bundle_pm_ops,
diff --git a/drivers/greybus/control.c b/drivers/greybus/control.c
index 359a258419739..b5cf49d09df22 100644
--- a/drivers/greybus/control.c
+++ b/drivers/greybus/control.c
@@ -436,7 +436,7 @@ static void gb_control_release(struct device *dev)
kfree(control);
}
-struct device_type greybus_control_type = {
+const struct device_type greybus_control_type = {
.name = "greybus_control",
.release = gb_control_release,
};
diff --git a/drivers/greybus/hd.c b/drivers/greybus/hd.c
index 72b21bf2d7d36..e2f3496bddc3d 100644
--- a/drivers/greybus/hd.c
+++ b/drivers/greybus/hd.c
@@ -116,7 +116,7 @@ static void gb_hd_release(struct device *dev)
kfree(hd);
}
-struct device_type greybus_hd_type = {
+const struct device_type greybus_hd_type = {
.name = "greybus_host_device",
.release = gb_hd_release,
};
diff --git a/drivers/greybus/interface.c b/drivers/greybus/interface.c
index 9ec949a438ef6..a88dc701289c9 100644
--- a/drivers/greybus/interface.c
+++ b/drivers/greybus/interface.c
@@ -765,7 +765,7 @@ static const struct dev_pm_ops gb_interface_pm_ops = {
gb_interface_runtime_idle)
};
-struct device_type greybus_interface_type = {
+const struct device_type greybus_interface_type = {
.name = "greybus_interface",
.release = gb_interface_release,
.pm = &gb_interface_pm_ops,
diff --git a/drivers/greybus/module.c b/drivers/greybus/module.c
index 36f77f9e1d743..7f7153a1dd602 100644
--- a/drivers/greybus/module.c
+++ b/drivers/greybus/module.c
@@ -81,7 +81,7 @@ static void gb_module_release(struct device *dev)
kfree(module);
}
-struct device_type greybus_module_type = {
+const struct device_type greybus_module_type = {
.name = "greybus_module",
.release = gb_module_release,
};
diff --git a/drivers/greybus/svc.c b/drivers/greybus/svc.c
index 0d7e749174a48..4256467fcd359 100644
--- a/drivers/greybus/svc.c
+++ b/drivers/greybus/svc.c
@@ -1305,7 +1305,7 @@ static void gb_svc_release(struct device *dev)
kfree(svc);
}
-struct device_type greybus_svc_type = {
+const struct device_type greybus_svc_type = {
.name = "greybus_svc",
.release = gb_svc_release,
};
diff --git a/include/linux/greybus.h b/include/linux/greybus.h
index 92da9ec4f5f08..2cc570ea63bfa 100644
--- a/include/linux/greybus.h
+++ b/include/linux/greybus.h
@@ -106,12 +106,12 @@ struct dentry *gb_debugfs_get(void);
extern const struct bus_type greybus_bus_type;
-extern struct device_type greybus_hd_type;
-extern struct device_type greybus_module_type;
-extern struct device_type greybus_interface_type;
-extern struct device_type greybus_control_type;
-extern struct device_type greybus_bundle_type;
-extern struct device_type greybus_svc_type;
+extern const struct device_type greybus_hd_type;
+extern const struct device_type greybus_module_type;
+extern const struct device_type greybus_interface_type;
+extern const struct device_type greybus_control_type;
+extern const struct device_type greybus_bundle_type;
+extern const struct device_type greybus_svc_type;
static inline int is_gb_host_device(const struct device *dev)
{
--
GitLab
From 92e82cf632e85474e1e19a6f1cae813e87b07965 Mon Sep 17 00:00:00 2001
From: Vitaly Kuznetsov <vkuznets@redhat.com>
Date: Wed, 28 Feb 2024 11:18:35 +0100
Subject: [PATCH 0972/2686] KVM: x86: Introduce __kvm_get_hypervisor_cpuid()
helper
Similar to kvm_find_kvm_cpuid_features()/__kvm_find_kvm_cpuid_features(),
introduce a helper to search for the specific hypervisor signature in any
struct kvm_cpuid_entry2 array, not only in vcpu->arch.cpuid_entries.
No functional change intended.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/20240228101837.93642-2-vkuznets@redhat.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/cpuid.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index adba49afb5fe6..0e1e3e5df6dd4 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -189,15 +189,15 @@ static int kvm_cpuid_check_equal(struct kvm_vcpu *vcpu, struct kvm_cpuid_entry2
return 0;
}
-static struct kvm_hypervisor_cpuid kvm_get_hypervisor_cpuid(struct kvm_vcpu *vcpu,
- const char *sig)
+static struct kvm_hypervisor_cpuid __kvm_get_hypervisor_cpuid(struct kvm_cpuid_entry2 *entries,
+ int nent, const char *sig)
{
struct kvm_hypervisor_cpuid cpuid = {};
struct kvm_cpuid_entry2 *entry;
u32 base;
for_each_possible_hypervisor_cpuid_base(base) {
- entry = kvm_find_cpuid_entry(vcpu, base);
+ entry = cpuid_entry2_find(entries, nent, base, KVM_CPUID_INDEX_NOT_SIGNIFICANT);
if (entry) {
u32 signature[3];
@@ -217,6 +217,13 @@ static struct kvm_hypervisor_cpuid kvm_get_hypervisor_cpuid(struct kvm_vcpu *vcp
return cpuid;
}
+static struct kvm_hypervisor_cpuid kvm_get_hypervisor_cpuid(struct kvm_vcpu *vcpu,
+ const char *sig)
+{
+ return __kvm_get_hypervisor_cpuid(vcpu->arch.cpuid_entries,
+ vcpu->arch.cpuid_nent, sig);
+}
+
static struct kvm_cpuid_entry2 *__kvm_find_kvm_cpuid_features(struct kvm_vcpu *vcpu,
struct kvm_cpuid_entry2 *entries, int nent)
{
--
GitLab
From 4736d85f0d18ad0469439a0ebc7ccb0cd94bd754 Mon Sep 17 00:00:00 2001
From: Vitaly Kuznetsov <vkuznets@redhat.com>
Date: Wed, 28 Feb 2024 11:18:36 +0100
Subject: [PATCH 0973/2686] KVM: x86: Use actual kvm_cpuid.base for clearing
KVM_FEATURE_PV_UNHALT
Commit ee3a5f9e3d9b ("KVM: x86: Do runtime CPUID update before updating
vcpu->arch.cpuid_entries") moved tweaking of the supplied CPUID
data earlier in kvm_set_cpuid() but __kvm_update_cpuid_runtime() actually
uses 'vcpu->arch.kvm_cpuid' (though __kvm_find_kvm_cpuid_features()) which
gets set later in kvm_set_cpuid(). In some cases, e.g. when kvm_set_cpuid()
is called for the first time and 'vcpu->arch.kvm_cpuid' is clear,
__kvm_find_kvm_cpuid_features() fails to find KVM PV feature entry and the
logic which clears KVM_FEATURE_PV_UNHALT after enabling
KVM_X86_DISABLE_EXITS_HLT does not work.
The logic, introduced by the commit ee3a5f9e3d9b ("KVM: x86: Do runtime
CPUID update before updating vcpu->arch.cpuid_entries") must stay: the
supplied CPUID data is tweaked by KVM first (__kvm_update_cpuid_runtime())
and checked later (kvm_check_cpuid()) and the actual data
(vcpu->arch.cpuid_*, vcpu->arch.kvm_cpuid, vcpu->arch.xen.cpuid,..) is only
updated on success.
Switch to searching for KVM_SIGNATURE in the supplied CPUID data to
discover KVM PV feature entry instead of using stale 'vcpu->arch.kvm_cpuid'.
While on it, drop pointless "&& (best->eax & (1 << KVM_FEATURE_PV_UNHALT)"
check when clearing KVM_FEATURE_PV_UNHALT bit.
Fixes: ee3a5f9e3d9b ("KVM: x86: Do runtime CPUID update before updating vcpu->arch.cpuid_entries")
Reported-and-tested-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/20240228101837.93642-3-vkuznets@redhat.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/cpuid.c | 31 +++++++++++++++++--------------
1 file changed, 17 insertions(+), 14 deletions(-)
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 0e1e3e5df6dd4..bfc0bfcb2bc60 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -224,22 +224,22 @@ static struct kvm_hypervisor_cpuid kvm_get_hypervisor_cpuid(struct kvm_vcpu *vcp
vcpu->arch.cpuid_nent, sig);
}
-static struct kvm_cpuid_entry2 *__kvm_find_kvm_cpuid_features(struct kvm_vcpu *vcpu,
- struct kvm_cpuid_entry2 *entries, int nent)
+static struct kvm_cpuid_entry2 *__kvm_find_kvm_cpuid_features(struct kvm_cpuid_entry2 *entries,
+ int nent, u32 kvm_cpuid_base)
{
- u32 base = vcpu->arch.kvm_cpuid.base;
-
- if (!base)
- return NULL;
-
- return cpuid_entry2_find(entries, nent, base | KVM_CPUID_FEATURES,
+ return cpuid_entry2_find(entries, nent, kvm_cpuid_base | KVM_CPUID_FEATURES,
KVM_CPUID_INDEX_NOT_SIGNIFICANT);
}
static struct kvm_cpuid_entry2 *kvm_find_kvm_cpuid_features(struct kvm_vcpu *vcpu)
{
- return __kvm_find_kvm_cpuid_features(vcpu, vcpu->arch.cpuid_entries,
- vcpu->arch.cpuid_nent);
+ u32 base = vcpu->arch.kvm_cpuid.base;
+
+ if (!base)
+ return NULL;
+
+ return __kvm_find_kvm_cpuid_features(vcpu->arch.cpuid_entries,
+ vcpu->arch.cpuid_nent, base);
}
void kvm_update_pv_runtime(struct kvm_vcpu *vcpu)
@@ -273,6 +273,7 @@ static void __kvm_update_cpuid_runtime(struct kvm_vcpu *vcpu, struct kvm_cpuid_e
int nent)
{
struct kvm_cpuid_entry2 *best;
+ struct kvm_hypervisor_cpuid kvm_cpuid;
best = cpuid_entry2_find(entries, nent, 1, KVM_CPUID_INDEX_NOT_SIGNIFICANT);
if (best) {
@@ -299,10 +300,12 @@ static void __kvm_update_cpuid_runtime(struct kvm_vcpu *vcpu, struct kvm_cpuid_e
cpuid_entry_has(best, X86_FEATURE_XSAVEC)))
best->ebx = xstate_required_size(vcpu->arch.xcr0, true);
- best = __kvm_find_kvm_cpuid_features(vcpu, entries, nent);
- if (kvm_hlt_in_guest(vcpu->kvm) && best &&
- (best->eax & (1 << KVM_FEATURE_PV_UNHALT)))
- best->eax &= ~(1 << KVM_FEATURE_PV_UNHALT);
+ kvm_cpuid = __kvm_get_hypervisor_cpuid(entries, nent, KVM_SIGNATURE);
+ if (kvm_cpuid.base) {
+ best = __kvm_find_kvm_cpuid_features(entries, nent, kvm_cpuid.base);
+ if (kvm_hlt_in_guest(vcpu->kvm) && best)
+ best->eax &= ~(1 << KVM_FEATURE_PV_UNHALT);
+ }
if (!kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT)) {
best = cpuid_entry2_find(entries, nent, 0x1, KVM_CPUID_INDEX_NOT_SIGNIFICANT);
--
GitLab
From c2585047c8e185b070ad5c7bd887ef59cee3941f Mon Sep 17 00:00:00 2001
From: Vitaly Kuznetsov <vkuznets@redhat.com>
Date: Wed, 28 Feb 2024 11:18:37 +0100
Subject: [PATCH 0974/2686] KVM: selftests: Check that PV_UNHALT is cleared
when HLT exiting is disabled
KVM_FEATURE_PV_UNHALT is expected to get cleared from KVM PV feature CPUID
data when KVM_X86_DISABLE_EXITS_HLT is enabled. Add the corresponding test
to kvm_pv_test.
Note, the newly added code doesn't actually test KVM_FEATURE_PV_UNHALT and
KVM_X86_DISABLE_EXITS_HLT features.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/20240228101837.93642-4-vkuznets@redhat.com
[sean: add and use vcpu_cpuid_has()]
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
.../selftests/kvm/include/x86_64/processor.h | 9 +++++
.../selftests/kvm/x86_64/kvm_pv_test.c | 39 +++++++++++++++++++
2 files changed, 48 insertions(+)
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index a84863503fcb4..8b5c804562f99 100644
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -995,6 +995,15 @@ static inline void vcpu_set_cpuid(struct kvm_vcpu *vcpu)
vcpu_ioctl(vcpu, KVM_GET_CPUID2, vcpu->cpuid);
}
+static inline bool vcpu_cpuid_has(struct kvm_vcpu *vcpu,
+ struct kvm_x86_cpu_feature feature)
+{
+ struct kvm_cpuid_entry2 *entry;
+
+ entry = __vcpu_get_cpuid_entry(vcpu, feature.function, feature.index);
+ return *((&entry->eax) + feature.reg) & BIT(feature.bit);
+}
+
void vcpu_set_cpuid_maxphyaddr(struct kvm_vcpu *vcpu, uint8_t maxphyaddr);
void vcpu_clear_cpuid_entry(struct kvm_vcpu *vcpu, uint32_t function);
diff --git a/tools/testing/selftests/kvm/x86_64/kvm_pv_test.c b/tools/testing/selftests/kvm/x86_64/kvm_pv_test.c
index 9e2879af7c201..40cc59f4e6501 100644
--- a/tools/testing/selftests/kvm/x86_64/kvm_pv_test.c
+++ b/tools/testing/selftests/kvm/x86_64/kvm_pv_test.c
@@ -133,6 +133,43 @@ static void enter_guest(struct kvm_vcpu *vcpu)
}
}
+static void test_pv_unhalt(void)
+{
+ struct kvm_vcpu *vcpu;
+ struct kvm_vm *vm;
+ struct kvm_cpuid_entry2 *ent;
+ u32 kvm_sig_old;
+
+ pr_info("testing KVM_FEATURE_PV_UNHALT\n");
+
+ TEST_REQUIRE(KVM_CAP_X86_DISABLE_EXITS);
+
+ /* KVM_PV_UNHALT test */
+ vm = vm_create_with_one_vcpu(&vcpu, guest_main);
+ vcpu_set_cpuid_feature(vcpu, X86_FEATURE_KVM_PV_UNHALT);
+
+ TEST_ASSERT(vcpu_cpuid_has(vcpu, X86_FEATURE_KVM_PV_UNHALT),
+ "Enabling X86_FEATURE_KVM_PV_UNHALT had no effect");
+
+ /* Make sure KVM clears vcpu->arch.kvm_cpuid */
+ ent = vcpu_get_cpuid_entry(vcpu, KVM_CPUID_SIGNATURE);
+ kvm_sig_old = ent->ebx;
+ ent->ebx = 0xdeadbeef;
+ vcpu_set_cpuid(vcpu);
+
+ vm_enable_cap(vm, KVM_CAP_X86_DISABLE_EXITS, KVM_X86_DISABLE_EXITS_HLT);
+ ent = vcpu_get_cpuid_entry(vcpu, KVM_CPUID_SIGNATURE);
+ ent->ebx = kvm_sig_old;
+ vcpu_set_cpuid(vcpu);
+
+ TEST_ASSERT(!vcpu_cpuid_has(vcpu, X86_FEATURE_KVM_PV_UNHALT),
+ "KVM_FEATURE_PV_UNHALT is set with KVM_CAP_X86_DISABLE_EXITS");
+
+ /* FIXME: actually test KVM_FEATURE_PV_UNHALT feature */
+
+ kvm_vm_free(vm);
+}
+
int main(void)
{
struct kvm_vcpu *vcpu;
@@ -151,4 +188,6 @@ int main(void)
enter_guest(vcpu);
kvm_vm_free(vm);
+
+ test_pv_unhalt();
}
--
GitLab
From 173b097dcc8d74d6e135aed1bad38dbfa21c4d04 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Wed, 6 Mar 2024 16:33:22 +0200
Subject: [PATCH 0975/2686] serial: 8250_dw: Replace ACPI device check by a
quirk
Instead of checking for APMC0D08 ACPI device presence,
use a quirk based on driver data.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240306143322.3291123-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_dw.c | 51 ++++++++++++++++---------------
1 file changed, 26 insertions(+), 25 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index e369b429e0603..1300c92b8702a 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -9,7 +9,6 @@
* LCR is written whilst busy. If it is, then a busy detect interrupt is
* raised, the LCR needs to be rewritten and the uart status register read.
*/
-#include <linux/acpi.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/device.h>
@@ -55,6 +54,7 @@
#define DW_UART_QUIRK_ARMADA_38X BIT(1)
#define DW_UART_QUIRK_SKIP_SET_RATE BIT(2)
#define DW_UART_QUIRK_IS_DMA_FC BIT(3)
+#define DW_UART_QUIRK_APMC0D08 BIT(4)
static inline struct dw8250_data *clk_to_dw8250_data(struct notifier_block *nb)
{
@@ -444,33 +444,29 @@ static void dw8250_prepare_rx_dma(struct uart_8250_port *p)
static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data)
{
- struct device_node *np = p->dev->of_node;
-
- if (np) {
- unsigned int quirks = data->pdata->quirks;
+ unsigned int quirks = data->pdata ? data->pdata->quirks : 0;
#ifdef CONFIG_64BIT
- if (quirks & DW_UART_QUIRK_OCTEON) {
- p->serial_in = dw8250_serial_inq;
- p->serial_out = dw8250_serial_outq;
- p->flags = UPF_SKIP_TEST | UPF_SHARE_IRQ | UPF_FIXED_TYPE;
- p->type = PORT_OCTEON;
- data->skip_autocfg = true;
- }
+ if (quirks & DW_UART_QUIRK_OCTEON) {
+ p->serial_in = dw8250_serial_inq;
+ p->serial_out = dw8250_serial_outq;
+ p->flags = UPF_SKIP_TEST | UPF_SHARE_IRQ | UPF_FIXED_TYPE;
+ p->type = PORT_OCTEON;
+ data->skip_autocfg = true;
+ }
#endif
- if (quirks & DW_UART_QUIRK_ARMADA_38X)
- p->serial_out = dw8250_serial_out38x;
- if (quirks & DW_UART_QUIRK_SKIP_SET_RATE)
- p->set_termios = dw8250_do_set_termios;
- if (quirks & DW_UART_QUIRK_IS_DMA_FC) {
- data->data.dma.txconf.device_fc = 1;
- data->data.dma.rxconf.device_fc = 1;
- data->data.dma.prepare_tx_dma = dw8250_prepare_tx_dma;
- data->data.dma.prepare_rx_dma = dw8250_prepare_rx_dma;
- }
-
- } else if (acpi_dev_present("APMC0D08", NULL, -1)) {
+ if (quirks & DW_UART_QUIRK_ARMADA_38X)
+ p->serial_out = dw8250_serial_out38x;
+ if (quirks & DW_UART_QUIRK_SKIP_SET_RATE)
+ p->set_termios = dw8250_do_set_termios;
+ if (quirks & DW_UART_QUIRK_IS_DMA_FC) {
+ data->data.dma.txconf.device_fc = 1;
+ data->data.dma.rxconf.device_fc = 1;
+ data->data.dma.prepare_tx_dma = dw8250_prepare_tx_dma;
+ data->data.dma.prepare_rx_dma = dw8250_prepare_rx_dma;
+ }
+ if (quirks & DW_UART_QUIRK_APMC0D08) {
p->iotype = UPIO_MEM32;
p->regshift = 2;
p->serial_in = dw8250_serial_in32;
@@ -750,13 +746,18 @@ static const struct of_device_id dw8250_of_match[] = {
};
MODULE_DEVICE_TABLE(of, dw8250_of_match);
+static const struct dw8250_platform_data dw8250_apmc0d08 = {
+ .usr_reg = DW_UART_USR,
+ .quirks = DW_UART_QUIRK_APMC0D08,
+};
+
static const struct acpi_device_id dw8250_acpi_match[] = {
{ "80860F0A", (kernel_ulong_t)&dw8250_dw_apb },
{ "8086228A", (kernel_ulong_t)&dw8250_dw_apb },
{ "AMD0020", (kernel_ulong_t)&dw8250_dw_apb },
{ "AMDI0020", (kernel_ulong_t)&dw8250_dw_apb },
{ "AMDI0022", (kernel_ulong_t)&dw8250_dw_apb },
- { "APMC0D08", (kernel_ulong_t)&dw8250_dw_apb},
+ { "APMC0D08", (kernel_ulong_t)&dw8250_apmc0d08 },
{ "BRCM2032", (kernel_ulong_t)&dw8250_dw_apb },
{ "HISI0031", (kernel_ulong_t)&dw8250_dw_apb },
{ "INT33C4", (kernel_ulong_t)&dw8250_dw_apb },
--
GitLab
From f193957b0fbbba397c8bddedf158b3bf7e4850fc Mon Sep 17 00:00:00 2001
From: Richard Fitzgerald <rf@opensource.cirrus.com>
Date: Thu, 7 Mar 2024 11:02:27 +0000
Subject: [PATCH 0976/2686] ASoC: wm_adsp: Fix missing mutex_lock in
wm_adsp_write_ctl()
wm_adsp_write_ctl() must hold the pwr_lock mutex when calling
cs_dsp_get_ctl().
This was previously partially fixed by commit 781118bc2fc1
("ASoC: wm_adsp: Fix missing locking in wm_adsp_[read|write]_ctl()")
but this only put locking around the call to cs_dsp_coeff_write_ctrl(),
missing the call to cs_dsp_get_ctl().
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Fixes: 781118bc2fc1 ("ASoC: wm_adsp: Fix missing locking in wm_adsp_[read|write]_ctl()")
Link: https://msgid.link/r/20240307110227.41421-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/wm_adsp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 36ea0dcdc7ab0..9cb9068c0462a 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -683,11 +683,12 @@ static void wm_adsp_control_remove(struct cs_dsp_coeff_ctl *cs_ctl)
int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type,
unsigned int alg, void *buf, size_t len)
{
- struct cs_dsp_coeff_ctl *cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg);
+ struct cs_dsp_coeff_ctl *cs_ctl;
struct wm_coeff_ctl *ctl;
int ret;
mutex_lock(&dsp->cs_dsp.pwr_lock);
+ cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg);
ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, buf, len);
mutex_unlock(&dsp->cs_dsp.pwr_lock);
--
GitLab
From cbd38332c140829ab752ba4e727f98be5c257f18 Mon Sep 17 00:00:00 2001
From: Jerome Brunet <jbrunet@baylibre.com>
Date: Sat, 24 Feb 2024 11:40:23 +0000
Subject: [PATCH 0977/2686] nvmem: meson-efuse: fix function pointer type
mismatch
clang-16 warns about casting functions to incompatible types, as is done
here to call clk_disable_unprepare:
drivers/nvmem/meson-efuse.c:78:12: error: cast from 'void (*)(struct clk *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
78 | (void(*)(void *))clk_disable_unprepare,
The pattern of getting, enabling and setting a disable callback for a
clock can be replaced with devm_clk_get_enabled(), which also fixes
this warning.
Fixes: 611fbca1c861 ("nvmem: meson-efuse: add peripheral clock")
Cc: Stable@vger.kernel.org
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114023.85535-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/nvmem/meson-efuse.c | 25 +++----------------------
1 file changed, 3 insertions(+), 22 deletions(-)
diff --git a/drivers/nvmem/meson-efuse.c b/drivers/nvmem/meson-efuse.c
index b922df99f9bc3..33678d0af2c24 100644
--- a/drivers/nvmem/meson-efuse.c
+++ b/drivers/nvmem/meson-efuse.c
@@ -47,7 +47,6 @@ static int meson_efuse_probe(struct platform_device *pdev)
struct nvmem_config *econfig;
struct clk *clk;
unsigned int size;
- int ret;
sm_np = of_parse_phandle(pdev->dev.of_node, "secure-monitor", 0);
if (!sm_np) {
@@ -60,27 +59,9 @@ static int meson_efuse_probe(struct platform_device *pdev)
if (!fw)
return -EPROBE_DEFER;
- clk = devm_clk_get(dev, NULL);
- if (IS_ERR(clk)) {
- ret = PTR_ERR(clk);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "failed to get efuse gate");
- return ret;
- }
-
- ret = clk_prepare_enable(clk);
- if (ret) {
- dev_err(dev, "failed to enable gate");
- return ret;
- }
-
- ret = devm_add_action_or_reset(dev,
- (void(*)(void *))clk_disable_unprepare,
- clk);
- if (ret) {
- dev_err(dev, "failed to add disable callback");
- return ret;
- }
+ clk = devm_clk_get_enabled(dev, NULL);
+ if (IS_ERR(clk))
+ return dev_err_probe(dev, PTR_ERR(clk), "failed to get efuse gate");
if (meson_sm_call(fw, SM_EFUSE_USER_MAX, &size, 0, 0, 0, 0, 0) < 0) {
dev_err(dev, "failed to get max user");
--
GitLab
From 89ffa4cccec54467446f141a79b9e36893079fb8 Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Sat, 24 Feb 2024 11:41:37 +0000
Subject: [PATCH 0978/2686] slimbus: core: Remove usage of the deprecated
ida_simple_xx() API
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
Note that the upper limit of ida_simple_get() is exclusive, but the one of
ida_alloc_range() is inclusive. So change this change allows one more
device. Previously address 0xFE was never used.
Fixes: 46a2bb5a7f7e ("slimbus: core: Add slim controllers support")
Cc: Stable@vger.kernel.org
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114137.85781-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/slimbus/core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c
index d43873bb5fe6d..01cbd46219810 100644
--- a/drivers/slimbus/core.c
+++ b/drivers/slimbus/core.c
@@ -436,8 +436,8 @@ static int slim_device_alloc_laddr(struct slim_device *sbdev,
if (ret < 0)
goto err;
} else if (report_present) {
- ret = ida_simple_get(&ctrl->laddr_ida,
- 0, SLIM_LA_MANAGER - 1, GFP_KERNEL);
+ ret = ida_alloc_max(&ctrl->laddr_ida,
+ SLIM_LA_MANAGER - 1, GFP_KERNEL);
if (ret < 0)
goto err;
--
GitLab
From 56c7659a8b6b8238535124fe78679cda4dba7fbc Mon Sep 17 00:00:00 2001
From: Jeff Johnson <quic_jjohnson@quicinc.com>
Date: Sat, 24 Feb 2024 11:44:02 +0000
Subject: [PATCH 0979/2686] slimbus: qcom-ngd-ctrl: Make QMI message rules
const
Commit ff6d365898d4 ("soc: qcom: qmi: use const for struct
qmi_elem_info") allows QMI message encoding/decoding rules
to be const, so do that for qcom-ngd-ctrl.c.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114403.86230-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/slimbus/qcom-ngd-ctrl.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c
index 77aa6d26476cd..efeba8275a669 100644
--- a/drivers/slimbus/qcom-ngd-ctrl.c
+++ b/drivers/slimbus/qcom-ngd-ctrl.c
@@ -220,7 +220,7 @@ struct slimbus_power_resp_msg_v01 {
struct qmi_response_type_v01 resp;
};
-static struct qmi_elem_info slimbus_select_inst_req_msg_v01_ei[] = {
+static const struct qmi_elem_info slimbus_select_inst_req_msg_v01_ei[] = {
{
.data_type = QMI_UNSIGNED_4_BYTE,
.elem_len = 1,
@@ -262,7 +262,7 @@ static struct qmi_elem_info slimbus_select_inst_req_msg_v01_ei[] = {
},
};
-static struct qmi_elem_info slimbus_select_inst_resp_msg_v01_ei[] = {
+static const struct qmi_elem_info slimbus_select_inst_resp_msg_v01_ei[] = {
{
.data_type = QMI_STRUCT,
.elem_len = 1,
@@ -284,7 +284,7 @@ static struct qmi_elem_info slimbus_select_inst_resp_msg_v01_ei[] = {
},
};
-static struct qmi_elem_info slimbus_power_req_msg_v01_ei[] = {
+static const struct qmi_elem_info slimbus_power_req_msg_v01_ei[] = {
{
.data_type = QMI_UNSIGNED_4_BYTE,
.elem_len = 1,
@@ -324,7 +324,7 @@ static struct qmi_elem_info slimbus_power_req_msg_v01_ei[] = {
},
};
-static struct qmi_elem_info slimbus_power_resp_msg_v01_ei[] = {
+static const struct qmi_elem_info slimbus_power_resp_msg_v01_ei[] = {
{
.data_type = QMI_STRUCT,
.elem_len = 1,
--
GitLab
From ab23f1bffcf690ffae2b0c4bb8b09420299be05c Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sat, 24 Feb 2024 11:44:03 +0000
Subject: [PATCH 0980/2686] slimbus: core: make slimbus_bus const
Since commit d492cc2573a0 ("driver core: device.h: make struct
bus_type a const *"), the driver core can properly handle constant
struct bus_type, move the slimbus_bus variable to be a constant
structure as well, placing it into read-only memory which can not be
modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114403.86230-3-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/slimbus/core.c | 2 +-
include/linux/slimbus.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c
index 01cbd46219810..41e62de1f91f3 100644
--- a/drivers/slimbus/core.c
+++ b/drivers/slimbus/core.c
@@ -100,7 +100,7 @@ static int slim_device_uevent(const struct device *dev, struct kobj_uevent_env *
return add_uevent_var(env, "MODALIAS=slim:%s", dev_name(&sbdev->dev));
}
-struct bus_type slimbus_bus = {
+const struct bus_type slimbus_bus = {
.name = "slimbus",
.match = slim_device_match,
.probe = slim_device_probe,
diff --git a/include/linux/slimbus.h b/include/linux/slimbus.h
index 12c9719b2a554..3042385b7b403 100644
--- a/include/linux/slimbus.h
+++ b/include/linux/slimbus.h
@@ -10,7 +10,7 @@
#include <linux/completion.h>
#include <linux/mod_devicetable.h>
-extern struct bus_type slimbus_bus;
+extern const struct bus_type slimbus_bus;
/**
* struct slim_eaddr - Enumeration address for a SLIMbus device
--
GitLab
From 508ecc78b6c983a7921bee2f4bd22682f9f0396e Mon Sep 17 00:00:00 2001
From: Rob Herring <robh@kernel.org>
Date: Sat, 24 Feb 2024 11:45:06 +0000
Subject: [PATCH 0981/2686] nvmem: fixed-cell: Simplify nested if/then schema
There's no reason to have a nested if/then schema as checking for compatible
being present and containing 'mac-base' can all be done in one 'if' schema.
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114516.86365-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../bindings/nvmem/layouts/fixed-cell.yaml | 22 +++++++++----------
1 file changed, 10 insertions(+), 12 deletions(-)
diff --git a/Documentation/devicetree/bindings/nvmem/layouts/fixed-cell.yaml b/Documentation/devicetree/bindings/nvmem/layouts/fixed-cell.yaml
index ac2381e660279..8b3826243dddf 100644
--- a/Documentation/devicetree/bindings/nvmem/layouts/fixed-cell.yaml
+++ b/Documentation/devicetree/bindings/nvmem/layouts/fixed-cell.yaml
@@ -36,20 +36,18 @@ properties:
allOf:
- if:
+ properties:
+ compatible:
+ contains:
+ const: mac-base
required: [ compatible ]
then:
- if:
- properties:
- compatible:
- contains:
- const: mac-base
- then:
- properties:
- "#nvmem-cell-cells":
- description: The first argument is a MAC address offset.
- const: 1
- required:
- - "#nvmem-cell-cells"
+ properties:
+ "#nvmem-cell-cells":
+ description: The first argument is a MAC address offset.
+ const: 1
+ required:
+ - "#nvmem-cell-cells"
required:
- reg
--
GitLab
From 998f0633773b3432829fe45d2cd2ffb842f3c78e Mon Sep 17 00:00:00 2001
From: William-tw Lin <william-tw.lin@mediatek.com>
Date: Sat, 24 Feb 2024 11:45:07 +0000
Subject: [PATCH 0982/2686] nvmem: mtk-efuse: Register MediaTek socinfo driver
from efuse
The socinfo driver reads chip information from eFuses and does not need
any devicetree node. Register it from mtk-efuse.
While at it, also add the name for this driver's nvmem_config.
Signed-off-by: William-tw Lin <william-tw.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114516.86365-3-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/nvmem/mtk-efuse.c | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)
diff --git a/drivers/nvmem/mtk-efuse.c b/drivers/nvmem/mtk-efuse.c
index 84f05b40a4112..f5bebcecf9bd3 100644
--- a/drivers/nvmem/mtk-efuse.c
+++ b/drivers/nvmem/mtk-efuse.c
@@ -68,6 +68,7 @@ static int mtk_efuse_probe(struct platform_device *pdev)
struct nvmem_config econfig = {};
struct mtk_efuse_priv *priv;
const struct mtk_efuse_pdata *pdata;
+ struct platform_device *socinfo;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
@@ -85,11 +86,20 @@ static int mtk_efuse_probe(struct platform_device *pdev)
econfig.size = resource_size(res);
econfig.priv = priv;
econfig.dev = dev;
+ econfig.name = "mtk-efuse";
if (pdata->uses_post_processing)
econfig.fixup_dt_cell_info = &mtk_efuse_fixup_dt_cell_info;
nvmem = devm_nvmem_register(dev, &econfig);
+ if (IS_ERR(nvmem))
+ return PTR_ERR(nvmem);
- return PTR_ERR_OR_ZERO(nvmem);
+ socinfo = platform_device_register_data(&pdev->dev, "mtk-socinfo",
+ PLATFORM_DEVID_AUTO, NULL, 0);
+ if (IS_ERR(socinfo))
+ dev_info(dev, "MediaTek SoC Information will be unavailable\n");
+
+ platform_set_drvdata(pdev, socinfo);
+ return 0;
}
static const struct mtk_efuse_pdata mtk_mt8186_efuse_pdata = {
@@ -108,8 +118,17 @@ static const struct of_device_id mtk_efuse_of_match[] = {
};
MODULE_DEVICE_TABLE(of, mtk_efuse_of_match);
+static void mtk_efuse_remove(struct platform_device *pdev)
+{
+ struct platform_device *socinfo = platform_get_drvdata(pdev);
+
+ if (!IS_ERR_OR_NULL(socinfo))
+ platform_device_unregister(socinfo);
+}
+
static struct platform_driver mtk_efuse_driver = {
.probe = mtk_efuse_probe,
+ .remove_new = mtk_efuse_remove,
.driver = {
.name = "mediatek,efuse",
.of_match_table = mtk_efuse_of_match,
--
GitLab
From c7f99cd8fb6b3997bc634ad6ae6e709f49898cbe Mon Sep 17 00:00:00 2001
From: Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
Date: Sat, 24 Feb 2024 11:45:08 +0000
Subject: [PATCH 0983/2686] dt-bindings: nvmem: Convert xlnx,zynqmp-nvmem.txt
to yaml
Convert the xlnx,zynqmp-nvmem.txt to yaml.
Signed-off-by: Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114516.86365-4-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../bindings/nvmem/xlnx,zynqmp-nvmem.txt | 46 -------------------
.../bindings/nvmem/xlnx,zynqmp-nvmem.yaml | 42 +++++++++++++++++
2 files changed, 42 insertions(+), 46 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt
create mode 100644 Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.yaml
diff --git a/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt b/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt
deleted file mode 100644
index 4881561b3a02a..0000000000000
--- a/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt
+++ /dev/null
@@ -1,46 +0,0 @@
---------------------------------------------------------------------------
-= Zynq UltraScale+ MPSoC nvmem firmware driver binding =
---------------------------------------------------------------------------
-The nvmem_firmware node provides access to the hardware related data
-like soc revision, IDCODE... etc, By using the firmware interface.
-
-Required properties:
-- compatible: should be "xlnx,zynqmp-nvmem-fw"
-
-= Data cells =
-Are child nodes of silicon id, bindings of which as described in
-bindings/nvmem/nvmem.txt
-
--------
- Example
--------
-firmware {
- zynqmp_firmware: zynqmp-firmware {
- compatible = "xlnx,zynqmp-firmware";
- method = "smc";
-
- nvmem_firmware {
- compatible = "xlnx,zynqmp-nvmem-fw";
- #address-cells = <1>;
- #size-cells = <1>;
-
- /* Data cells */
- soc_revision: soc_revision {
- reg = <0x0 0x4>;
- };
- };
- };
-};
-
-= Data consumers =
-Are device nodes which consume nvmem data cells.
-
-For example:
- pcap {
- ...
-
- nvmem-cells = <&soc_revision>;
- nvmem-cell-names = "soc_revision";
-
- ...
- };
diff --git a/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.yaml b/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.yaml
new file mode 100644
index 0000000000000..917c40d5c382f
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/xlnx,zynqmp-nvmem.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Zynq UltraScale+ MPSoC Non Volatile Memory interface
+
+description: |
+ The ZynqMP MPSoC provides access to the hardware related data
+ like SOC revision, IDCODE and specific purpose efuses.
+
+maintainers:
+ - Kalyani Akula <kalyani.akula@amd.com>
+ - Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
+
+allOf:
+ - $ref: nvmem.yaml#
+
+properties:
+ compatible:
+ const: xlnx,zynqmp-nvmem-fw
+
+required:
+ - compatible
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ nvmem {
+ compatible = "xlnx,zynqmp-nvmem-fw";
+ nvmem-layout {
+ compatible = "fixed-layout";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ soc_revision: soc-revision@0 {
+ reg = <0x0 0x4>;
+ };
+ };
+ };
--
GitLab
From d28c853b32b868f25545ce0c08b4b6a17f5d8767 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Sat, 24 Feb 2024 11:45:09 +0000
Subject: [PATCH 0984/2686] dt-bindings: nvmem: add common definition of
nvmem-cell-cells
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Linux kernel NVMEM consumer bindings define phandle to NVMEM cells
("nvmem-cells"), thus we also want the common definition of property
defining number of cells encoding that specifier, so the
Suggested-by: Rob Herring <robh@kernel.org>
Reported-by: Michael Walle <michael@walle.cc>
Closes: https://github.com/devicetree-org/dt-schema/pull/89
Reported-by: Rafał Miłecki <zajec5@gmail.com>
Closes: https://lore.kernel.org/linux-arm-kernel/20221121105830.7411-1-zajec5@gmail.com/#r
Closes: https://lore.kernel.org/all/bdf7751b-0421-485d-8382-26c084f09d7d@gmail.com/
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114516.86365-5-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../bindings/nvmem/nvmem-provider.yaml | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
create mode 100644 Documentation/devicetree/bindings/nvmem/nvmem-provider.yaml
diff --git a/Documentation/devicetree/bindings/nvmem/nvmem-provider.yaml b/Documentation/devicetree/bindings/nvmem/nvmem-provider.yaml
new file mode 100644
index 0000000000000..4009a9a03841e
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/nvmem-provider.yaml
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/nvmem-provider.yaml#
+$schema: http://devicetree.org/meta-schemas/base.yaml#
+
+title: NVMEM (Non Volatile Memory) Provider
+
+maintainers:
+ - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+
+select: true
+
+properties:
+ '#nvmem-cell-cells':
+ enum: [0, 1]
+
+additionalProperties: true
--
GitLab
From e34b943068d30f20db31f28100affdaaedc7efab Mon Sep 17 00:00:00 2001
From: Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
Date: Sat, 24 Feb 2024 11:45:10 +0000
Subject: [PATCH 0985/2686] firmware: xilinx: Add ZynqMP efuse access API
Add zynqmp_pm_efuse_access API in the ZynqMP
firmware for read/write access of efuse memory.
Signed-off-by: Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114516.86365-6-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/firmware/xilinx/zynqmp.c | 25 +++++++++++++++++++++++++
include/linux/firmware/xlnx-zynqmp.h | 8 ++++++++
2 files changed, 33 insertions(+)
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index 79789f0563f6a..9bc45357e1a80 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -3,6 +3,7 @@
* Xilinx Zynq MPSoC Firmware layer
*
* Copyright (C) 2014-2022 Xilinx, Inc.
+ * Copyright (C) 2022 - 2023, Advanced Micro Devices, Inc.
*
* Michal Simek <michal.simek@amd.com>
* Davorin Mista <davorin.mista@aggios.com>
@@ -1384,6 +1385,30 @@ int zynqmp_pm_aes_engine(const u64 address, u32 *out)
}
EXPORT_SYMBOL_GPL(zynqmp_pm_aes_engine);
+/**
+ * zynqmp_pm_efuse_access - Provides access to efuse memory.
+ * @address: Address of the efuse params structure
+ * @out: Returned output value
+ *
+ * Return: Returns status, either success or error code.
+ */
+int zynqmp_pm_efuse_access(const u64 address, u32 *out)
+{
+ u32 ret_payload[PAYLOAD_ARG_CNT];
+ int ret;
+
+ if (!out)
+ return -EINVAL;
+
+ ret = zynqmp_pm_invoke_fn(PM_EFUSE_ACCESS, ret_payload, 2,
+ upper_32_bits(address),
+ lower_32_bits(address));
+ *out = ret_payload[1];
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(zynqmp_pm_efuse_access);
+
/**
* zynqmp_pm_sha_hash - Access the SHA engine to calculate the hash
* @address: Address of the data/ Address of output buffer where
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index 9a7e527392512..1a069a56c961b 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -3,6 +3,7 @@
* Xilinx Zynq MPSoC Firmware layer
*
* Copyright (C) 2014-2021 Xilinx
+ * Copyright (C) 2022 - 2023, Advanced Micro Devices, Inc.
*
* Michal Simek <michal.simek@amd.com>
* Davorin Mista <davorin.mista@aggios.com>
@@ -171,6 +172,7 @@ enum pm_api_id {
PM_CLOCK_GETPARENT = 44,
PM_FPGA_READ = 46,
PM_SECURE_AES = 47,
+ PM_EFUSE_ACCESS = 53,
PM_FEATURE_CHECK = 63,
};
@@ -562,6 +564,7 @@ int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities,
const u32 qos,
const enum zynqmp_pm_request_ack ack);
int zynqmp_pm_aes_engine(const u64 address, u32 *out);
+int zynqmp_pm_efuse_access(const u64 address, u32 *out);
int zynqmp_pm_sha_hash(const u64 address, const u32 size, const u32 flags);
int zynqmp_pm_fpga_load(const u64 address, const u32 size, const u32 flags);
int zynqmp_pm_fpga_get_status(u32 *value);
@@ -749,6 +752,11 @@ static inline int zynqmp_pm_aes_engine(const u64 address, u32 *out)
return -ENODEV;
}
+static inline int zynqmp_pm_efuse_access(const u64 address, u32 *out)
+{
+ return -ENODEV;
+}
+
static inline int zynqmp_pm_sha_hash(const u64 address, const u32 size,
const u32 flags)
{
--
GitLab
From 29be47fcd6a06ea2e79eeeca6e69ad1e23254a69 Mon Sep 17 00:00:00 2001
From: Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
Date: Sat, 24 Feb 2024 11:45:11 +0000
Subject: [PATCH 0986/2686] nvmem: zynqmp_nvmem: zynqmp_nvmem_probe cleanup
- Remove static nvmem_config declaration
- Remove zynqmp_nvmem_data
Signed-off-by: Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
Acked-by: Kalyani Akula <Kalyani.akula@amd.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114516.86365-7-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/nvmem/zynqmp_nvmem.c | 37 ++++++++++++------------------------
1 file changed, 12 insertions(+), 25 deletions(-)
diff --git a/drivers/nvmem/zynqmp_nvmem.c b/drivers/nvmem/zynqmp_nvmem.c
index 7f15aa89a9d09..391d8e88b2705 100644
--- a/drivers/nvmem/zynqmp_nvmem.c
+++ b/drivers/nvmem/zynqmp_nvmem.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2019 Xilinx, Inc.
+ * Copyright (C) 2022 - 2023, Advanced Micro Devices, Inc.
*/
#include <linux/module.h>
@@ -11,36 +12,25 @@
#define SILICON_REVISION_MASK 0xF
-struct zynqmp_nvmem_data {
- struct device *dev;
- struct nvmem_device *nvmem;
-};
static int zynqmp_nvmem_read(void *context, unsigned int offset,
void *val, size_t bytes)
{
+ struct device *dev = context;
int ret;
- int idcode, version;
- struct zynqmp_nvmem_data *priv = context;
+ int idcode;
+ int version;
ret = zynqmp_pm_get_chipid(&idcode, &version);
if (ret < 0)
return ret;
- dev_dbg(priv->dev, "Read chipid val %x %x\n", idcode, version);
+ dev_dbg(dev, "Read chipid val %x %x\n", idcode, version);
*(int *)val = version & SILICON_REVISION_MASK;
return 0;
}
-static struct nvmem_config econfig = {
- .name = "zynqmp-nvmem",
- .owner = THIS_MODULE,
- .word_size = 1,
- .size = 1,
- .read_only = true,
-};
-
static const struct of_device_id zynqmp_nvmem_match[] = {
{ .compatible = "xlnx,zynqmp-nvmem-fw", },
{ /* sentinel */ },
@@ -50,21 +40,18 @@ MODULE_DEVICE_TABLE(of, zynqmp_nvmem_match);
static int zynqmp_nvmem_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct zynqmp_nvmem_data *priv;
+ struct nvmem_config econfig = {};
- priv = devm_kzalloc(dev, sizeof(struct zynqmp_nvmem_data), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
-
- priv->dev = dev;
+ econfig.name = "zynqmp-nvmem";
+ econfig.owner = THIS_MODULE;
+ econfig.word_size = 1;
+ econfig.size = 1;
econfig.dev = dev;
econfig.add_legacy_fixed_of_cells = true;
+ econfig.read_only = true;
econfig.reg_read = zynqmp_nvmem_read;
- econfig.priv = priv;
-
- priv->nvmem = devm_nvmem_register(dev, &econfig);
- return PTR_ERR_OR_ZERO(priv->nvmem);
+ return PTR_ERR_OR_ZERO(devm_nvmem_register(dev, &econfig));
}
static struct platform_driver zynqmp_nvmem_driver = {
--
GitLab
From 737c0c8d07b5f671c0a33cec95965fcb2d2ea893 Mon Sep 17 00:00:00 2001
From: Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
Date: Sat, 24 Feb 2024 11:45:12 +0000
Subject: [PATCH 0987/2686] nvmem: zynqmp_nvmem: Add support to access efuse
Add support to read/write efuse memory map of ZynqMP.
Below are the offsets of ZynqMP efuse memory map
0 - SOC version(read only)
0xC - 0xFC -ZynqMP specific purpose efuses
0x100 - 0x17F - Physical Unclonable Function(PUF)
efuses repurposed as user efuses
Signed-off-by: Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
Acked-by: Kalyani Akula <Kalyani.akula@amd.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114516.86365-8-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/nvmem/zynqmp_nvmem.c | 186 +++++++++++++++++++++++++++++++++--
1 file changed, 176 insertions(+), 10 deletions(-)
diff --git a/drivers/nvmem/zynqmp_nvmem.c b/drivers/nvmem/zynqmp_nvmem.c
index 391d8e88b2705..8682adaacd692 100644
--- a/drivers/nvmem/zynqmp_nvmem.c
+++ b/drivers/nvmem/zynqmp_nvmem.c
@@ -4,6 +4,7 @@
* Copyright (C) 2022 - 2023, Advanced Micro Devices, Inc.
*/
+#include <linux/dma-mapping.h>
#include <linux/module.h>
#include <linux/nvmem-provider.h>
#include <linux/of.h>
@@ -11,24 +12,189 @@
#include <linux/firmware/xlnx-zynqmp.h>
#define SILICON_REVISION_MASK 0xF
+#define P_USER_0_64_UPPER_MASK GENMASK(31, 16)
+#define P_USER_127_LOWER_4_BIT_MASK GENMASK(3, 0)
+#define WORD_INBYTES 4
+#define SOC_VER_SIZE 0x4
+#define EFUSE_MEMORY_SIZE 0x177
+#define UNUSED_SPACE 0x8
+#define ZYNQMP_NVMEM_SIZE (SOC_VER_SIZE + UNUSED_SPACE + \
+ EFUSE_MEMORY_SIZE)
+#define SOC_VERSION_OFFSET 0x0
+#define EFUSE_START_OFFSET 0xC
+#define EFUSE_END_OFFSET 0xFC
+#define EFUSE_PUF_START_OFFSET 0x100
+#define EFUSE_PUF_MID_OFFSET 0x140
+#define EFUSE_PUF_END_OFFSET 0x17F
+#define EFUSE_NOT_ENABLED 29
+/*
+ * efuse access type
+ */
+enum efuse_access {
+ EFUSE_READ = 0,
+ EFUSE_WRITE
+};
+
+/**
+ * struct xilinx_efuse - the basic structure
+ * @src: address of the buffer to store the data to be write/read
+ * @size: read/write word count
+ * @offset: read/write offset
+ * @flag: 0 - represents efuse read and 1- represents efuse write
+ * @pufuserfuse:0 - represents non-puf efuses, offset is used for read/write
+ * 1 - represents puf user fuse row number.
+ *
+ * this structure stores all the required details to
+ * read/write efuse memory.
+ */
+struct xilinx_efuse {
+ u64 src;
+ u32 size;
+ u32 offset;
+ enum efuse_access flag;
+ u32 pufuserfuse;
+};
+
+static int zynqmp_efuse_access(void *context, unsigned int offset,
+ void *val, size_t bytes, enum efuse_access flag,
+ unsigned int pufflag)
+{
+ struct device *dev = context;
+ struct xilinx_efuse *efuse;
+ dma_addr_t dma_addr;
+ dma_addr_t dma_buf;
+ size_t words = bytes / WORD_INBYTES;
+ int ret;
+ int value;
+ char *data;
+
+ if (bytes % WORD_INBYTES != 0) {
+ dev_err(dev, "Bytes requested should be word aligned\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (pufflag == 0 && offset % WORD_INBYTES) {
+ dev_err(dev, "Offset requested should be word aligned\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (pufflag == 1 && flag == EFUSE_WRITE) {
+ memcpy(&value, val, bytes);
+ if ((offset == EFUSE_PUF_START_OFFSET ||
+ offset == EFUSE_PUF_MID_OFFSET) &&
+ value & P_USER_0_64_UPPER_MASK) {
+ dev_err(dev, "Only lower 4 bytes are allowed to be programmed in P_USER_0 & P_USER_64\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (offset == EFUSE_PUF_END_OFFSET &&
+ (value & P_USER_127_LOWER_4_BIT_MASK)) {
+ dev_err(dev, "Only MSB 28 bits are allowed to be programmed for P_USER_127\n");
+ return -EOPNOTSUPP;
+ }
+ }
+
+ efuse = dma_alloc_coherent(dev, sizeof(struct xilinx_efuse),
+ &dma_addr, GFP_KERNEL);
+ if (!efuse)
+ return -ENOMEM;
-static int zynqmp_nvmem_read(void *context, unsigned int offset,
- void *val, size_t bytes)
+ data = dma_alloc_coherent(dev, sizeof(bytes),
+ &dma_buf, GFP_KERNEL);
+ if (!data) {
+ ret = -ENOMEM;
+ goto efuse_data_fail;
+ }
+
+ if (flag == EFUSE_WRITE) {
+ memcpy(data, val, bytes);
+ efuse->flag = EFUSE_WRITE;
+ } else {
+ efuse->flag = EFUSE_READ;
+ }
+
+ efuse->src = dma_buf;
+ efuse->size = words;
+ efuse->offset = offset;
+ efuse->pufuserfuse = pufflag;
+
+ zynqmp_pm_efuse_access(dma_addr, (u32 *)&ret);
+ if (ret != 0) {
+ if (ret == EFUSE_NOT_ENABLED) {
+ dev_err(dev, "efuse access is not enabled\n");
+ ret = -EOPNOTSUPP;
+ } else {
+ dev_err(dev, "Error in efuse read %x\n", ret);
+ ret = -EPERM;
+ }
+ goto efuse_access_err;
+ }
+
+ if (flag == EFUSE_READ)
+ memcpy(val, data, bytes);
+efuse_access_err:
+ dma_free_coherent(dev, sizeof(bytes),
+ data, dma_buf);
+efuse_data_fail:
+ dma_free_coherent(dev, sizeof(struct xilinx_efuse),
+ efuse, dma_addr);
+
+ return ret;
+}
+
+static int zynqmp_nvmem_read(void *context, unsigned int offset, void *val, size_t bytes)
{
struct device *dev = context;
int ret;
+ int pufflag = 0;
int idcode;
int version;
- ret = zynqmp_pm_get_chipid(&idcode, &version);
- if (ret < 0)
- return ret;
+ if (offset >= EFUSE_PUF_START_OFFSET && offset <= EFUSE_PUF_END_OFFSET)
+ pufflag = 1;
+
+ switch (offset) {
+ /* Soc version offset is zero */
+ case SOC_VERSION_OFFSET:
+ if (bytes != SOC_VER_SIZE)
+ return -EOPNOTSUPP;
+
+ ret = zynqmp_pm_get_chipid((u32 *)&idcode, (u32 *)&version);
+ if (ret < 0)
+ return ret;
+
+ dev_dbg(dev, "Read chipid val %x %x\n", idcode, version);
+ *(int *)val = version & SILICON_REVISION_MASK;
+ break;
+ /* Efuse offset starts from 0xc */
+ case EFUSE_START_OFFSET ... EFUSE_END_OFFSET:
+ case EFUSE_PUF_START_OFFSET ... EFUSE_PUF_END_OFFSET:
+ ret = zynqmp_efuse_access(context, offset, val,
+ bytes, EFUSE_READ, pufflag);
+ break;
+ default:
+ *(u32 *)val = 0xDEADBEEF;
+ ret = 0;
+ break;
+ }
+
+ return ret;
+}
+
+static int zynqmp_nvmem_write(void *context,
+ unsigned int offset, void *val, size_t bytes)
+{
+ int pufflag = 0;
+
+ if (offset < EFUSE_START_OFFSET || offset > EFUSE_PUF_END_OFFSET)
+ return -EOPNOTSUPP;
- dev_dbg(dev, "Read chipid val %x %x\n", idcode, version);
- *(int *)val = version & SILICON_REVISION_MASK;
+ if (offset >= EFUSE_PUF_START_OFFSET && offset <= EFUSE_PUF_END_OFFSET)
+ pufflag = 1;
- return 0;
+ return zynqmp_efuse_access(context, offset,
+ val, bytes, EFUSE_WRITE, pufflag);
}
static const struct of_device_id zynqmp_nvmem_match[] = {
@@ -45,11 +211,11 @@ static int zynqmp_nvmem_probe(struct platform_device *pdev)
econfig.name = "zynqmp-nvmem";
econfig.owner = THIS_MODULE;
econfig.word_size = 1;
- econfig.size = 1;
+ econfig.size = ZYNQMP_NVMEM_SIZE;
econfig.dev = dev;
econfig.add_legacy_fixed_of_cells = true;
- econfig.read_only = true;
econfig.reg_read = zynqmp_nvmem_read;
+ econfig.reg_write = zynqmp_nvmem_write;
return PTR_ERR_OR_ZERO(devm_nvmem_register(dev, &econfig));
}
--
GitLab
From 9f742e3efc978a480d64b10b353bde656e275aa1 Mon Sep 17 00:00:00 2001
From: Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
Date: Sat, 24 Feb 2024 11:45:13 +0000
Subject: [PATCH 0988/2686] MAINTAINERS: Add maintainers for ZynqMP NVMEM
driver
Add maintainers for ZynqMP NVMEM driver and driver document.
Signed-off-by: Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114516.86365-9-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
MAINTAINERS | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 2662ec49b2978..024f327d36a4a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -24282,6 +24282,14 @@ M: Harsha <harsha.harsha@amd.com>
S: Maintained
F: drivers/crypto/xilinx/zynqmp-sha.c
+XILINX ZYNQMP NVMEM DRIVER
+M: Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>
+M: Kalyani Akula <kalyani.akula@amd.com>
+R: Michal Simek <michal.simek@amd.com>
+S: Maintained
+F: Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.yaml
+F: drivers/nvmem/zynqmp_nvmem.c
+
XILLYBUS DRIVER
M: Eli Billauer <eli.billauer@gmail.com>
L: linux-kernel@vger.kernel.org
--
GitLab
From 76c345edef754b16cab81ad9452cc49c09e67066 Mon Sep 17 00:00:00 2001
From: Chen-Yu Tsai <wenst@chromium.org>
Date: Sat, 24 Feb 2024 11:45:14 +0000
Subject: [PATCH 0989/2686] nvmem: mtk-efuse: Drop NVMEM device name
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The MT8183 has not one but two efuse devices. The static name and ID
causes the second efuse device to fail to probe, due to duplicate sysfs
entries.
With the rework of the mtk-socinfo driver, lookup by name is no longer
necessary. The custom name can simply be dropped.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: "NÃcolas F. R. A. Prado" <nfraprado@collabora.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114516.86365-10-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/nvmem/mtk-efuse.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/nvmem/mtk-efuse.c b/drivers/nvmem/mtk-efuse.c
index f5bebcecf9bd3..9caf046673410 100644
--- a/drivers/nvmem/mtk-efuse.c
+++ b/drivers/nvmem/mtk-efuse.c
@@ -86,7 +86,6 @@ static int mtk_efuse_probe(struct platform_device *pdev)
econfig.size = resource_size(res);
econfig.priv = priv;
econfig.dev = dev;
- econfig.name = "mtk-efuse";
if (pdata->uses_post_processing)
econfig.fixup_dt_cell_info = &mtk_efuse_fixup_dt_cell_info;
nvmem = devm_nvmem_register(dev, &econfig);
--
GitLab
From 8ec0faf2572216b4e25d6829cd41cf3ee2dab979 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sat, 24 Feb 2024 11:45:15 +0000
Subject: [PATCH 0990/2686] nvmem: core: make nvmem_layout_bus_type const
Since commit d492cc2573a0 ("driver core: device.h: make struct bus_type
a const *"), the driver core can properly handle constant struct
bus_type, move the nvmem_layout_bus_type variable to be a constant
structure as well, placing it into read-only memory which can not be
modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114516.86365-11-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/nvmem/layouts.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvmem/layouts.c b/drivers/nvmem/layouts.c
index 6a6aa58369ff2..8b5e2de138eb5 100644
--- a/drivers/nvmem/layouts.c
+++ b/drivers/nvmem/layouts.c
@@ -45,7 +45,7 @@ static void nvmem_layout_bus_remove(struct device *dev)
return drv->remove(layout);
}
-static struct bus_type nvmem_layout_bus_type = {
+static const struct bus_type nvmem_layout_bus_type = {
.name = "nvmem-layout",
.match = nvmem_layout_bus_match,
.probe = nvmem_layout_bus_probe,
--
GitLab
From def3173d4f17b37cecbd74d7c269a080b0b01598 Mon Sep 17 00:00:00 2001
From: Markus Schneider-Pargmann <msp@baylibre.com>
Date: Sat, 24 Feb 2024 11:45:16 +0000
Subject: [PATCH 0991/2686] nvmem: core: Print error on wrong bits DT property
The algorithms in nvmem core are built with the constraint that
bit_offset < 8. If bit_offset is greater the results are wrong. Print an
error if the devicetree 'bits' property is outside of the valid range
and abort parsing.
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240224114516.86365-12-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/nvmem/core.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index eb357ac2e54a2..2c6b99402df8a 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -807,6 +807,11 @@ static int nvmem_add_cells_from_dt(struct nvmem_device *nvmem, struct device_nod
if (addr && len == (2 * sizeof(u32))) {
info.bit_offset = be32_to_cpup(addr++);
info.nbits = be32_to_cpup(addr);
+ if (info.bit_offset >= BITS_PER_BYTE || info.nbits < 1) {
+ dev_err(dev, "nvmem: invalid bits on %pOF\n", child);
+ of_node_put(child);
+ return -EINVAL;
+ }
}
info.np = of_node_get(child);
--
GitLab
From 408b18b1aa1f41f15cbaaf9c43d4500f62d904e1 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sun, 4 Feb 2024 17:13:16 -0300
Subject: [PATCH 0992/2686] most: core: make mostbus const
Now that the driver core can properly handle constant struct bus_type,
move the mostbus variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-most-v1-1-f5cd9a06e13f@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/most/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/most/core.c b/drivers/most/core.c
index e4412c7d25b0e..f13d0e14a48b6 100644
--- a/drivers/most/core.c
+++ b/drivers/most/core.c
@@ -499,7 +499,7 @@ static int most_match(struct device *dev, struct device_driver *drv)
return 1;
}
-static struct bus_type mostbus = {
+static const struct bus_type mostbus = {
.name = "most",
.match = most_match,
};
--
GitLab
From c65f52fc475df49ebba4152e1c2927883bf8fd37 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sun, 4 Feb 2024 17:00:13 -0300
Subject: [PATCH 0993/2686] ipack: make ipack_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the ipack_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Acked-by: Vaibhav Gupta <vaibhavgupta40@gmail.com>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-ipack-v1-1-aef5e8f84d01@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/ipack/ipack.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/ipack/ipack.c b/drivers/ipack/ipack.c
index b1471ba016a51..866bf48d803bc 100644
--- a/drivers/ipack/ipack.c
+++ b/drivers/ipack/ipack.c
@@ -187,7 +187,7 @@ static struct attribute *ipack_attrs[] = {
};
ATTRIBUTE_GROUPS(ipack);
-static struct bus_type ipack_bus_type = {
+static const struct bus_type ipack_bus_type = {
.name = "ipack",
.probe = ipack_bus_probe,
.match = ipack_bus_match,
--
GitLab
From cb1c1224193e648b4108dd06ebb7cc86b5c514ad Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Mon, 12 Feb 2024 08:41:01 -0300
Subject: [PATCH 0994/2686] dio: make dio_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the dio_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240212-bus_cleanup-dio-v2-1-3b1ba4c0547d@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/dio/dio-driver.c | 2 +-
include/linux/dio.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/dio/dio-driver.c b/drivers/dio/dio-driver.c
index 69c46935ffc78..2d9fa6011945d 100644
--- a/drivers/dio/dio-driver.c
+++ b/drivers/dio/dio-driver.c
@@ -123,7 +123,7 @@ static int dio_bus_match(struct device *dev, struct device_driver *drv)
}
-struct bus_type dio_bus_type = {
+const struct bus_type dio_bus_type = {
.name = "dio",
.match = dio_bus_match,
.probe = dio_device_probe,
diff --git a/include/linux/dio.h b/include/linux/dio.h
index 5abd07361eb51..2b5923909f963 100644
--- a/include/linux/dio.h
+++ b/include/linux/dio.h
@@ -68,7 +68,7 @@ struct dio_bus {
};
extern struct dio_bus dio_bus; /* Single DIO bus */
-extern struct bus_type dio_bus_type;
+extern const struct bus_type dio_bus_type;
/*
* DIO device IDs
--
GitLab
From 6501ac11b90f1c9fe7208e95f69f80bf55286c3e Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Mon, 19 Feb 2024 16:49:30 -0300
Subject: [PATCH 0995/2686] siox: constify the struct device_type usage
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the
siox_device_type and siox_master_type variables to be constant structures
as well, placing it into read-only memory which can not be modified at
runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Thorsten Scherer <t.scherer@eckelmann.de>
Link: https://lore.kernel.org/r/20240219-device_cleanup-siox-v1-1-eb32ca2b0113@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/siox/siox-core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c
index 561408583b2bf..8eca20c2ea9c3 100644
--- a/drivers/siox/siox-core.c
+++ b/drivers/siox/siox-core.c
@@ -498,7 +498,7 @@ static void siox_device_release(struct device *dev)
kfree(sdevice);
}
-static struct device_type siox_device_type = {
+static const struct device_type siox_device_type = {
.groups = siox_device_groups,
.release = siox_device_release,
};
@@ -676,7 +676,7 @@ static void siox_master_release(struct device *dev)
kfree(smaster);
}
-static struct device_type siox_master_type = {
+static const struct device_type siox_master_type = {
.groups = siox_master_groups,
.release = siox_master_release,
};
--
GitLab
From a7478b3d9da7a1bf3478c94ee33c93631ea03f9b Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Fri, 1 Mar 2024 18:21:38 -0300
Subject: [PATCH 0996/2686] tifm: make tifm_adapter_class constant
Since commit 43a7206b0963 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the tifm_adapter_class structure to be declared at build
time placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240301-class_cleanup-char-misc-v1-1-4e2a41bef8cc@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/tifm_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/tifm_core.c b/drivers/misc/tifm_core.c
index eee9b6581604e..d2eb31f39aa7d 100644
--- a/drivers/misc/tifm_core.c
+++ b/drivers/misc/tifm_core.c
@@ -166,7 +166,7 @@ static void tifm_free(struct device *dev)
kfree(fm);
}
-static struct class tifm_adapter_class = {
+static const struct class tifm_adapter_class = {
.name = "tifm_adapter",
.dev_release = tifm_free
};
--
GitLab
From 01771a598d1e19bc114ae4f08495700e2e721a41 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Tue, 27 Feb 2024 12:40:29 +0100
Subject: [PATCH 0997/2686] mcb: make mcb_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the mcb_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Johannes Thumshirn <jth@kernel.org>
Link: https://lore.kernel.org/r/20240227114029.22319-2-jth@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/mcb/mcb-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mcb/mcb-core.c b/drivers/mcb/mcb-core.c
index 61994da7bad01..0c939f867f0dc 100644
--- a/drivers/mcb/mcb-core.c
+++ b/drivers/mcb/mcb-core.c
@@ -156,7 +156,7 @@ static const struct attribute_group *mcb_carrier_groups[] = {
};
-static struct bus_type mcb_bus_type = {
+static const struct bus_type mcb_bus_type = {
.name = "mcb",
.match = mcb_match,
.uevent = mcb_uevent,
--
GitLab
From 3b1a9b58402ee48c527e834d48d33fc502199335 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Mon, 19 Feb 2024 16:52:00 -0300
Subject: [PATCH 0998/2686] mcb: constify the struct device_type usage
Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the
mcb_carrier_device_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240219-device_cleanup-mcb-v1-1-dc930e7dc11c@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/mcb/mcb-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mcb/mcb-core.c b/drivers/mcb/mcb-core.c
index 0c939f867f0dc..267045b765059 100644
--- a/drivers/mcb/mcb-core.c
+++ b/drivers/mcb/mcb-core.c
@@ -165,7 +165,7 @@ static const struct bus_type mcb_bus_type = {
.shutdown = mcb_shutdown,
};
-static struct device_type mcb_carrier_device_type = {
+static const struct device_type mcb_carrier_device_type = {
.name = "mcb-carrier",
.groups = mcb_carrier_groups,
};
--
GitLab
From 664c89c56e854f1a8a8b1968690ba08f7fe843fc Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sun, 4 Feb 2024 19:26:42 -0300
Subject: [PATCH 0999/2686] siox: make siox_bus_type const
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Since commit d492cc2573a0 ("driver core: device.h: make struct bus_type
a const *"), the driver core can properly handle constant struct
bus_type. Move the siox_bus_type variable to be a constant structure as
well, placing it into read-only memory which can not be modified at
runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Thorsten Scherer <t.scherer@eckelmann.de>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-siox-v2-1-3813a6a55dcc@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/siox/siox-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c
index 8eca20c2ea9c3..f937cbc8c5aa1 100644
--- a/drivers/siox/siox-core.c
+++ b/drivers/siox/siox-core.c
@@ -543,7 +543,7 @@ static void siox_shutdown(struct device *dev)
sdriver->shutdown(sdevice);
}
-static struct bus_type siox_bus_type = {
+static const struct bus_type siox_bus_type = {
.name = "siox",
.match = siox_match,
.probe = siox_probe,
--
GitLab
From 12f371e2b6cb4b79c788f1f073992e115f4ca918 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Thu, 7 Mar 2024 11:13:51 +0000
Subject: [PATCH 1000/2686] usb: sl811-hcd: only defined function checkdone if
QUIRK2 is defined
Function checkdone is only required if QUIRK2 is defined, so add
appropriate #if / #endif around the function.
Cleans up clang scan build warning:
drivers/usb/host/sl811-hcd.c:588:18: warning: unused function
'checkdone' [-Wunused-function]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240307111351.1982382-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/sl811-hcd.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 0956495bba575..2b871540bb500 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -585,6 +585,7 @@ done(struct sl811 *sl811, struct sl811h_ep *ep, u8 bank)
finish_request(sl811, ep, urb, urbstat);
}
+#ifdef QUIRK2
static inline u8 checkdone(struct sl811 *sl811)
{
u8 ctl;
@@ -616,6 +617,7 @@ static inline u8 checkdone(struct sl811 *sl811)
#endif
return irqstat;
}
+#endif
static irqreturn_t sl811h_irq(struct usb_hcd *hcd)
{
--
GitLab
From 0a980bebdf9750eaad08cf72c799c4ccecf08c3a Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu, 7 Mar 2024 13:24:06 +0200
Subject: [PATCH 1001/2686] usb: ohci-pxa27x: Remove unused of_gpio.h
of_gpio.h is deprecated and subject to remove.
The driver doesn't use it, simply remove the unused header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240307112406.3625756-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/ohci-pxa27x.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 357d9aee38a37..3348c25ddb18d 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -27,7 +27,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of_platform.h>
-#include <linux/of_gpio.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <linux/platform_data/pxa2xx_udc.h>
#include <linux/platform_device.h>
--
GitLab
From 2a36b8fb7dc1006a08a04db7a745e5b01b94827e Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu, 7 Mar 2024 13:25:09 +0200
Subject: [PATCH 1002/2686] usb: gadget/snps_udc_plat: Remove unused of_gpio.h
of_gpio.h is deprecated and subject to remove.
The driver doesn't use it, simply remove the unused header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240307112509.3627937-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/udc/snps_udc_plat.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/usb/gadget/udc/snps_udc_plat.c b/drivers/usb/gadget/udc/snps_udc_plat.c
index 547af2ed9e5e0..ba5a066905077 100644
--- a/drivers/usb/gadget/udc/snps_udc_plat.c
+++ b/drivers/usb/gadget/udc/snps_udc_plat.c
@@ -8,7 +8,6 @@
#include <linux/extcon.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
-#include <linux/of_gpio.h>
#include <linux/platform_device.h>
#include <linux/phy/phy.h>
#include <linux/module.h>
--
GitLab
From 07cb1ec0b13d4e100d01f47876795752cbc6f1cc Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu, 7 Mar 2024 13:39:36 +0200
Subject: [PATCH 1003/2686] USB: gadget: pxa27x_udc: Remove unused of_gpio.h
of_gpio.h is deprecated and subject to remove.
The driver doesn't use it, simply remove the unused header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240307113936.3642469-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/udc/pxa27x_udc.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c
index 61424cfd2e1cb..1a6317e4b2a32 100644
--- a/drivers/usb/gadget/udc/pxa27x_udc.c
+++ b/drivers/usb/gadget/udc/pxa27x_udc.c
@@ -24,7 +24,6 @@
#include <linux/byteorder/generic.h>
#include <linux/platform_data/pxa2xx_udc.h>
#include <linux/of.h>
-#include <linux/of_gpio.h>
#include <linux/usb.h>
#include <linux/usb/ch9.h>
--
GitLab
From d843f031d9e90462253015bc0bd9e3852d206bf2 Mon Sep 17 00:00:00 2001
From: Wayne Chang <waynec@nvidia.com>
Date: Thu, 7 Mar 2024 11:03:27 +0800
Subject: [PATCH 1004/2686] phy: tegra: xusb: Add API to retrieve the port
number of phy
This patch introduces a new API, tegra_xusb_padctl_get_port_number,
to the Tegra XUSB Pad Controller driver. This API is used to identify
the USB port that is associated with a given PHY.
The function takes a PHY pointer for either a USB2 PHY or USB3 PHY as input
and returns the corresponding port number. If the PHY pointer is invalid,
it returns -ENODEV.
Cc: stable@vger.kernel.org
Signed-off-by: Wayne Chang <waynec@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20240307030328.1487748-2-waynec@nvidia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/phy/tegra/xusb.c | 13 +++++++++++++
include/linux/phy/tegra/xusb.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index 142ebe0247cc0..983a6e6173bd2 100644
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -1531,6 +1531,19 @@ int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl,
}
EXPORT_SYMBOL_GPL(tegra_xusb_padctl_get_usb3_companion);
+int tegra_xusb_padctl_get_port_number(struct phy *phy)
+{
+ struct tegra_xusb_lane *lane;
+
+ if (!phy)
+ return -ENODEV;
+
+ lane = phy_get_drvdata(phy);
+
+ return lane->index;
+}
+EXPORT_SYMBOL_GPL(tegra_xusb_padctl_get_port_number);
+
MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>");
MODULE_DESCRIPTION("Tegra XUSB Pad Controller driver");
MODULE_LICENSE("GPL v2");
diff --git a/include/linux/phy/tegra/xusb.h b/include/linux/phy/tegra/xusb.h
index 70998e6dd6fdc..6ca51e0080ec0 100644
--- a/include/linux/phy/tegra/xusb.h
+++ b/include/linux/phy/tegra/xusb.h
@@ -26,6 +26,7 @@ void tegra_phy_xusb_utmi_pad_power_down(struct phy *phy);
int tegra_phy_xusb_utmi_port_reset(struct phy *phy);
int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl,
unsigned int port);
+int tegra_xusb_padctl_get_port_number(struct phy *phy);
int tegra_xusb_padctl_enable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy,
enum usb_device_speed speed);
int tegra_xusb_padctl_disable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy);
--
GitLab
From 84fa943d93c31ee978355e6c6c69592dae3c9f59 Mon Sep 17 00:00:00 2001
From: Wayne Chang <waynec@nvidia.com>
Date: Thu, 7 Mar 2024 11:03:28 +0800
Subject: [PATCH 1005/2686] usb: gadget: tegra-xudc: Fix USB3 PHY retrieval
logic
This commit resolves an issue in the tegra-xudc USB gadget driver that
incorrectly fetched USB3 PHY instances. The problem stemmed from the
assumption of a one-to-one correspondence between USB2 and USB3 PHY
names and their association with physical USB ports in the device tree.
Previously, the driver associated USB3 PHY names directly with the USB3
instance number, leading to mismatches when mapping the physical USB
ports. For instance, if using USB3-1 PHY, the driver expect the
corresponding PHY name as 'usb3-1'. However, the physical USB ports in
the device tree were designated as USB2-0 and USB3-0 as we only have
one device controller, causing a misalignment.
This commit rectifies the issue by adjusting the PHY naming logic.
Now, the driver correctly correlates the USB2 and USB3 PHY instances,
allowing the USB2-0 and USB3-1 PHYs to form a physical USB port pair
while accurately reflecting their configuration in the device tree by
naming them USB2-0 and USB3-0, respectively.
The change ensures that the PHY and PHY names align appropriately,
resolving the mismatch between physical USB ports and their associated
names in the device tree.
Fixes: b4e19931c98a ("usb: gadget: tegra-xudc: Support multiple device modes")
Cc: stable@vger.kernel.org
Signed-off-by: Wayne Chang <waynec@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20240307030328.1487748-3-waynec@nvidia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/udc/tegra-xudc.c | 39 ++++++++++++++++++-----------
1 file changed, 25 insertions(+), 14 deletions(-)
diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c
index cb85168fd00c2..7aa46d426f31b 100644
--- a/drivers/usb/gadget/udc/tegra-xudc.c
+++ b/drivers/usb/gadget/udc/tegra-xudc.c
@@ -3491,8 +3491,8 @@ static void tegra_xudc_device_params_init(struct tegra_xudc *xudc)
static int tegra_xudc_phy_get(struct tegra_xudc *xudc)
{
- int err = 0, usb3;
- unsigned int i;
+ int err = 0, usb3_companion_port;
+ unsigned int i, j;
xudc->utmi_phy = devm_kcalloc(xudc->dev, xudc->soc->num_phys,
sizeof(*xudc->utmi_phy), GFP_KERNEL);
@@ -3520,7 +3520,7 @@ static int tegra_xudc_phy_get(struct tegra_xudc *xudc)
if (IS_ERR(xudc->utmi_phy[i])) {
err = PTR_ERR(xudc->utmi_phy[i]);
dev_err_probe(xudc->dev, err,
- "failed to get usb2-%d PHY\n", i);
+ "failed to get PHY for phy-name usb2-%d\n", i);
goto clean_up;
} else if (xudc->utmi_phy[i]) {
/* Get usb-phy, if utmi phy is available */
@@ -3539,19 +3539,30 @@ static int tegra_xudc_phy_get(struct tegra_xudc *xudc)
}
/* Get USB3 phy */
- usb3 = tegra_xusb_padctl_get_usb3_companion(xudc->padctl, i);
- if (usb3 < 0)
+ usb3_companion_port = tegra_xusb_padctl_get_usb3_companion(xudc->padctl, i);
+ if (usb3_companion_port < 0)
continue;
- snprintf(phy_name, sizeof(phy_name), "usb3-%d", usb3);
- xudc->usb3_phy[i] = devm_phy_optional_get(xudc->dev, phy_name);
- if (IS_ERR(xudc->usb3_phy[i])) {
- err = PTR_ERR(xudc->usb3_phy[i]);
- dev_err_probe(xudc->dev, err,
- "failed to get usb3-%d PHY\n", usb3);
- goto clean_up;
- } else if (xudc->usb3_phy[i])
- dev_dbg(xudc->dev, "usb3-%d PHY registered", usb3);
+ for (j = 0; j < xudc->soc->num_phys; j++) {
+ snprintf(phy_name, sizeof(phy_name), "usb3-%d", j);
+ xudc->usb3_phy[i] = devm_phy_optional_get(xudc->dev, phy_name);
+ if (IS_ERR(xudc->usb3_phy[i])) {
+ err = PTR_ERR(xudc->usb3_phy[i]);
+ dev_err_probe(xudc->dev, err,
+ "failed to get PHY for phy-name usb3-%d\n", j);
+ goto clean_up;
+ } else if (xudc->usb3_phy[i]) {
+ int usb2_port =
+ tegra_xusb_padctl_get_port_number(xudc->utmi_phy[i]);
+ int usb3_port =
+ tegra_xusb_padctl_get_port_number(xudc->usb3_phy[i]);
+ if (usb3_port == usb3_companion_port) {
+ dev_dbg(xudc->dev, "USB2 port %d is paired with USB3 port %d for device mode port %d\n",
+ usb2_port, usb3_port, i);
+ break;
+ }
+ }
+ }
}
return err;
--
GitLab
From 600556809f04eb3bbccd05218215dcd7b285a9a9 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Thu, 7 Mar 2024 18:17:34 +0000
Subject: [PATCH 1006/2686] usb: gadget: net2272: Use irqflags in the call to
net2272_probe_fin
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Currently the variable irqflags is being set but is not being used,
it appears it should be used in the call to net2272_probe_fin
rather than IRQF_TRIGGER_LOW being used. Kudos to Uwe Kleine-König
for suggesting the fix.
Cleans up clang scan build warning:
drivers/usb/gadget/udc/net2272.c:2610:15: warning: variable 'irqflags'
set but not used [-Wunused-but-set-variable]
Fixes: ceb80363b2ec ("USB: net2272: driver for PLX NET2272 USB device controller")
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20240307181734.2034407-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/udc/net2272.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c
index 12e76bb62c209..19bbc38f3d35d 100644
--- a/drivers/usb/gadget/udc/net2272.c
+++ b/drivers/usb/gadget/udc/net2272.c
@@ -2650,7 +2650,7 @@ net2272_plat_probe(struct platform_device *pdev)
goto err_req;
}
- ret = net2272_probe_fin(dev, IRQF_TRIGGER_LOW);
+ ret = net2272_probe_fin(dev, irqflags);
if (ret)
goto err_io;
--
GitLab
From 8e50be9387d64fd5da80dc266b57c8a59a02215c Mon Sep 17 00:00:00 2001
From: Jonathan Bergh <bergh.jonathan@gmail.com>
Date: Tue, 27 Feb 2024 17:01:12 +0100
Subject: [PATCH 1007/2686] staging: greybus: Replace __attribute__((packed))
by __packed in various instances
This patch makes the following changes:
* Replaces '__attribute__((packed))' by '__packed' in various locations
to remove checkpatch warning
Signed-off-by: Jonathan Bergh <bergh.jonathan@gmail.com>
Link: https://lore.kernel.org/r/20240227160113.111264-1-bergh.jonathan@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/greybus/greybus_authentication.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/greybus/greybus_authentication.h b/drivers/staging/greybus/greybus_authentication.h
index 48b4a9794d3c8..ee88f880cfe3b 100644
--- a/drivers/staging/greybus/greybus_authentication.h
+++ b/drivers/staging/greybus/greybus_authentication.h
@@ -44,7 +44,7 @@
/* IOCTL support */
struct cap_ioc_get_endpoint_uid {
__u8 uid[8];
-} __attribute__ ((__packed__));
+} __packed;
struct cap_ioc_get_ims_certificate {
__u32 certificate_class;
@@ -53,7 +53,7 @@ struct cap_ioc_get_ims_certificate {
__u8 result_code;
__u32 cert_size;
__u8 certificate[CAP_CERTIFICATE_MAX_SIZE];
-} __attribute__ ((__packed__));
+} __packed;
struct cap_ioc_authenticate {
__u32 auth_type;
@@ -64,7 +64,7 @@ struct cap_ioc_authenticate {
__u8 response[64];
__u32 signature_size;
__u8 signature[CAP_SIGNATURE_MAX_SIZE];
-} __attribute__ ((__packed__));
+} __packed;
#define CAP_IOCTL_BASE 'C'
#define CAP_IOC_GET_ENDPOINT_UID _IOR(CAP_IOCTL_BASE, 0, struct cap_ioc_get_endpoint_uid)
--
GitLab
From 68bb540b1aefded1d58a9f956568d5316643d291 Mon Sep 17 00:00:00 2001
From: Jonathan Bergh <bergh.jonathan@gmail.com>
Date: Tue, 27 Feb 2024 17:01:13 +0100
Subject: [PATCH 1008/2686] staging: greybus: Replaces directive
__attribute__((packed)) by __packed as suggested by checkpatch
This patch makes the following changes:
* Replaces '__attribute__((packed))' by '__packed' to remove warning as
flagged by checkpatch
Signed-off-by: Jonathan Bergh <bergh.jonathan@gmail.com>
Link: https://lore.kernel.org/r/20240227160113.111264-2-bergh.jonathan@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/greybus/greybus_firmware.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/greybus/greybus_firmware.h b/drivers/staging/greybus/greybus_firmware.h
index f68fd5e253217..b6042a82ada47 100644
--- a/drivers/staging/greybus/greybus_firmware.h
+++ b/drivers/staging/greybus/greybus_firmware.h
@@ -41,14 +41,14 @@ struct fw_mgmt_ioc_get_intf_version {
__u8 firmware_tag[GB_FIRMWARE_U_TAG_MAX_SIZE];
__u16 major;
__u16 minor;
-} __attribute__ ((__packed__));
+} __packed;
struct fw_mgmt_ioc_get_backend_version {
__u8 firmware_tag[GB_FIRMWARE_U_TAG_MAX_SIZE];
__u16 major;
__u16 minor;
__u8 status;
-} __attribute__ ((__packed__));
+} __packed;
struct fw_mgmt_ioc_intf_load_and_validate {
__u8 firmware_tag[GB_FIRMWARE_U_TAG_MAX_SIZE];
@@ -56,12 +56,12 @@ struct fw_mgmt_ioc_intf_load_and_validate {
__u8 status;
__u16 major;
__u16 minor;
-} __attribute__ ((__packed__));
+} __packed;
struct fw_mgmt_ioc_backend_fw_update {
__u8 firmware_tag[GB_FIRMWARE_U_TAG_MAX_SIZE];
__u8 status;
-} __attribute__ ((__packed__));
+} __packed;
#define FW_MGMT_IOCTL_BASE 'F'
#define FW_MGMT_IOC_GET_INTF_FW _IOR(FW_MGMT_IOCTL_BASE, 0, struct fw_mgmt_ioc_get_intf_version)
--
GitLab
From 3bd291383c727bfbe6e8d21e2c16776fe9bd7dcf Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Sun, 14 Jan 2024 10:57:02 +0100
Subject: [PATCH 1009/2686] greybus: Remove usage of the deprecated
ida_simple_xx() API
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
Note that the upper limit of ida_simple_get() is exclusive, but the one of
ida_alloc_range()/ida_alloc_max() is inclusive. So a -1 has been added when
needed.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/26425379d3eb9ba1b9af44468576ee20c77eb248.1705226208.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/greybus/es2.c | 8 ++++----
drivers/greybus/hd.c | 16 ++++++++--------
drivers/greybus/interface.c | 9 ++++-----
3 files changed, 16 insertions(+), 17 deletions(-)
diff --git a/drivers/greybus/es2.c b/drivers/greybus/es2.c
index e89cca0150955..1ee78d0d90b4d 100644
--- a/drivers/greybus/es2.c
+++ b/drivers/greybus/es2.c
@@ -513,16 +513,16 @@ static int es2_cport_allocate(struct gb_host_device *hd, int cport_id,
if (cport_id < 0) {
ida_start = 0;
- ida_end = hd->num_cports;
+ ida_end = hd->num_cports - 1;
} else if (cport_id < hd->num_cports) {
ida_start = cport_id;
- ida_end = cport_id + 1;
+ ida_end = cport_id;
} else {
dev_err(&hd->dev, "cport %d not available\n", cport_id);
return -EINVAL;
}
- return ida_simple_get(id_map, ida_start, ida_end, GFP_KERNEL);
+ return ida_alloc_range(id_map, ida_start, ida_end, GFP_KERNEL);
}
static void es2_cport_release(struct gb_host_device *hd, u16 cport_id)
@@ -535,7 +535,7 @@ static void es2_cport_release(struct gb_host_device *hd, u16 cport_id)
return;
}
- ida_simple_remove(&hd->cport_id_map, cport_id);
+ ida_free(&hd->cport_id_map, cport_id);
}
static int cport_enable(struct gb_host_device *hd, u16 cport_id,
diff --git a/drivers/greybus/hd.c b/drivers/greybus/hd.c
index e2f3496bddc3d..5de98d9177f15 100644
--- a/drivers/greybus/hd.c
+++ b/drivers/greybus/hd.c
@@ -50,7 +50,7 @@ int gb_hd_cport_reserve(struct gb_host_device *hd, u16 cport_id)
struct ida *id_map = &hd->cport_id_map;
int ret;
- ret = ida_simple_get(id_map, cport_id, cport_id + 1, GFP_KERNEL);
+ ret = ida_alloc_range(id_map, cport_id, cport_id, GFP_KERNEL);
if (ret < 0) {
dev_err(&hd->dev, "failed to reserve cport %u\n", cport_id);
return ret;
@@ -64,7 +64,7 @@ void gb_hd_cport_release_reserved(struct gb_host_device *hd, u16 cport_id)
{
struct ida *id_map = &hd->cport_id_map;
- ida_simple_remove(id_map, cport_id);
+ ida_free(id_map, cport_id);
}
EXPORT_SYMBOL_GPL(gb_hd_cport_release_reserved);
@@ -80,16 +80,16 @@ int gb_hd_cport_allocate(struct gb_host_device *hd, int cport_id,
if (cport_id < 0) {
ida_start = 0;
- ida_end = hd->num_cports;
+ ida_end = hd->num_cports - 1;
} else if (cport_id < hd->num_cports) {
ida_start = cport_id;
- ida_end = cport_id + 1;
+ ida_end = cport_id;
} else {
dev_err(&hd->dev, "cport %d not available\n", cport_id);
return -EINVAL;
}
- return ida_simple_get(id_map, ida_start, ida_end, GFP_KERNEL);
+ return ida_alloc_range(id_map, ida_start, ida_end, GFP_KERNEL);
}
/* Locking: Caller guarantees serialisation */
@@ -100,7 +100,7 @@ void gb_hd_cport_release(struct gb_host_device *hd, u16 cport_id)
return;
}
- ida_simple_remove(&hd->cport_id_map, cport_id);
+ ida_free(&hd->cport_id_map, cport_id);
}
static void gb_hd_release(struct device *dev)
@@ -111,7 +111,7 @@ static void gb_hd_release(struct device *dev)
if (hd->svc)
gb_svc_put(hd->svc);
- ida_simple_remove(&gb_hd_bus_id_map, hd->bus_id);
+ ida_free(&gb_hd_bus_id_map, hd->bus_id);
ida_destroy(&hd->cport_id_map);
kfree(hd);
}
@@ -162,7 +162,7 @@ struct gb_host_device *gb_hd_create(struct gb_hd_driver *driver,
if (!hd)
return ERR_PTR(-ENOMEM);
- ret = ida_simple_get(&gb_hd_bus_id_map, 1, 0, GFP_KERNEL);
+ ret = ida_alloc_min(&gb_hd_bus_id_map, 1, GFP_KERNEL);
if (ret < 0) {
kfree(hd);
return ERR_PTR(ret);
diff --git a/drivers/greybus/interface.c b/drivers/greybus/interface.c
index a88dc701289c9..fd58a86b0888d 100644
--- a/drivers/greybus/interface.c
+++ b/drivers/greybus/interface.c
@@ -131,9 +131,8 @@ static int gb_interface_route_create(struct gb_interface *intf)
int ret;
/* Allocate an interface device id. */
- ret = ida_simple_get(&svc->device_id_map,
- GB_SVC_DEVICE_ID_MIN, GB_SVC_DEVICE_ID_MAX + 1,
- GFP_KERNEL);
+ ret = ida_alloc_range(&svc->device_id_map, GB_SVC_DEVICE_ID_MIN,
+ GB_SVC_DEVICE_ID_MAX, GFP_KERNEL);
if (ret < 0) {
dev_err(&intf->dev, "failed to allocate device id: %d\n", ret);
return ret;
@@ -165,7 +164,7 @@ static int gb_interface_route_create(struct gb_interface *intf)
* XXX anymore.
*/
err_ida_remove:
- ida_simple_remove(&svc->device_id_map, device_id);
+ ida_free(&svc->device_id_map, device_id);
return ret;
}
@@ -178,7 +177,7 @@ static void gb_interface_route_destroy(struct gb_interface *intf)
return;
gb_svc_route_destroy(svc, svc->ap_intf_id, intf->interface_id);
- ida_simple_remove(&svc->device_id_map, intf->device_id);
+ ida_free(&svc->device_id_map, intf->device_id);
intf->device_id = GB_INTERFACE_DEVICE_ID_BAD;
}
--
GitLab
From a13bd6f3c936edff957f2d02cf65c44046cb1243 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Mon, 26 Feb 2024 18:05:19 -0300
Subject: [PATCH 1010/2686] greybus: move is_gb_* functions out of greybus.h
The functions below are only used within the context of
drivers/greybus/core.c, so move them all into core and drop their 'inline'
specifiers:
is_gb_host_device(), is_gb_module(), is_gb_interface(), is_gb_control(),
is_gb_bundle() and is_gb_svc().
Suggested-by: Alex Elder <elder@ieee.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20240226-device_cleanup-greybus2-v1-1-5f7d1161e684@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/greybus/core.c | 30 ++++++++++++++++++++++++++++++
include/linux/greybus.h | 30 ------------------------------
2 files changed, 30 insertions(+), 30 deletions(-)
diff --git a/drivers/greybus/core.c b/drivers/greybus/core.c
index b0aadc1e7bbed..95c09d4f3a869 100644
--- a/drivers/greybus/core.c
+++ b/drivers/greybus/core.c
@@ -27,6 +27,36 @@ int greybus_disabled(void)
}
EXPORT_SYMBOL_GPL(greybus_disabled);
+static int is_gb_host_device(const struct device *dev)
+{
+ return dev->type == &greybus_hd_type;
+}
+
+static int is_gb_module(const struct device *dev)
+{
+ return dev->type == &greybus_module_type;
+}
+
+static int is_gb_interface(const struct device *dev)
+{
+ return dev->type == &greybus_interface_type;
+}
+
+static int is_gb_control(const struct device *dev)
+{
+ return dev->type == &greybus_control_type;
+}
+
+static int is_gb_bundle(const struct device *dev)
+{
+ return dev->type == &greybus_bundle_type;
+}
+
+static int is_gb_svc(const struct device *dev)
+{
+ return dev->type == &greybus_svc_type;
+}
+
static bool greybus_match_one_id(struct gb_bundle *bundle,
const struct greybus_bundle_id *id)
{
diff --git a/include/linux/greybus.h b/include/linux/greybus.h
index 2cc570ea63bfa..634c9511cf787 100644
--- a/include/linux/greybus.h
+++ b/include/linux/greybus.h
@@ -113,36 +113,6 @@ extern const struct device_type greybus_control_type;
extern const struct device_type greybus_bundle_type;
extern const struct device_type greybus_svc_type;
-static inline int is_gb_host_device(const struct device *dev)
-{
- return dev->type == &greybus_hd_type;
-}
-
-static inline int is_gb_module(const struct device *dev)
-{
- return dev->type == &greybus_module_type;
-}
-
-static inline int is_gb_interface(const struct device *dev)
-{
- return dev->type == &greybus_interface_type;
-}
-
-static inline int is_gb_control(const struct device *dev)
-{
- return dev->type == &greybus_control_type;
-}
-
-static inline int is_gb_bundle(const struct device *dev)
-{
- return dev->type == &greybus_bundle_type;
-}
-
-static inline int is_gb_svc(const struct device *dev)
-{
- return dev->type == &greybus_svc_type;
-}
-
static inline bool cport_id_valid(struct gb_host_device *hd, u16 cport_id)
{
return cport_id != CPORT_ID_BAD && cport_id < hd->num_cports;
--
GitLab
From d6c0d892b44cd16e0421909cf7f2883b9e625e4a Mon Sep 17 00:00:00 2001
From: Valentin Caron <valentin.caron@foss.st.com>
Date: Thu, 18 Jan 2024 10:11:35 +0100
Subject: [PATCH 1011/2686] dt-bindings: serial: stm32: add power-domains
property
STM32 serial may be in a power domain.
Allow a single 'power-domains' entry for STM32 serial devices.
Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240118091135.3314330-1-valentin.caron@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/serial/st,stm32-uart.yaml | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
index 1df8ffe95fc61..62f97da1b2fd7 100644
--- a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
@@ -58,6 +58,9 @@ properties:
wakeup-source: true
+ power-domains:
+ maxItems: 1
+
rx-threshold:
description:
If value is set to 1, RX FIFO threshold is disabled.
--
GitLab
From 4a055328414cb511e12b2c54c8b26c1ba4645ae8 Mon Sep 17 00:00:00 2001
From: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Date: Sun, 3 Mar 2024 23:34:39 +0100
Subject: [PATCH 1012/2686] char: xilinx_hwicap: drop casting to void in
dev_set_drvdata
The C standard specifies that there is no need to cast from a pointer to
void [1]. Therefore, it can be safely dropped.
[1] C Standard Committee: https://c0x.shape-of-code.com/6.3.2.3.html
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240303-void_in_dev_set_drvdata-v1-1-ae39027d740b@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/char/xilinx_hwicap/xilinx_hwicap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index 019cf6079cecd..3aaa4b4d9f08b 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -636,7 +636,7 @@ static int hwicap_setup(struct platform_device *pdev, int id,
retval = -ENOMEM;
goto failed;
}
- dev_set_drvdata(dev, (void *)drvdata);
+ dev_set_drvdata(dev, drvdata);
drvdata->base_address = devm_platform_ioremap_resource(pdev, 0);
if (!drvdata->base_address) {
--
GitLab
From 8af2d2025d25870da73871abe3d1d93b6e903cc2 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 4 Feb 2024 17:10:04 +0900
Subject: [PATCH 1013/2686] platform: goldfish: move the separate 'default'
propery for CONFIG_GOLDFISH
Currently, there are two entries for CONFIG_GOLDFISH.
In arch/x86/Kconfig:
config GOLDFISH
def_bool y
depends on X86_GOLDFISH
In drivers/platform/goldfish/Kconfig:
menuconfig GOLDFISH
bool "Platform support for Goldfish virtual devices"
depends on HAS_IOMEM && HAS_DMA
While Kconfig allows multiple entries, it generally leads to tricky
code.
Prior to commit bd2f348db503 ("goldfish: refactor goldfish platform
configs"), CONFIG_GOLDFISH was an alias of CONFIG_X86_GOLDFISH.
After the mentioned commit added the second entry with a user prompt,
the former provides the 'default' property that is effective only when
X86_GOLDFISH=y.
Merge them tegether to clarify how it has worked in the past 8 years.
Cc: Greg Hackmann <ghackmann@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20240204081004.33871-1-masahiroy@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/x86/Kconfig | 4 ----
drivers/platform/goldfish/Kconfig | 1 +
2 files changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 5edec175b9bfc..eb6c9f5b3be72 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -471,10 +471,6 @@ config X86_MPPARSE
For old smp systems that do not have proper acpi support. Newer systems
(esp with 64bit cpus) with acpi support, MADT and DSDT will override it
-config GOLDFISH
- def_bool y
- depends on X86_GOLDFISH
-
config X86_CPU_RESCTRL
bool "x86 CPU resource control support"
depends on X86 && (CPU_SUP_INTEL || CPU_SUP_AMD)
diff --git a/drivers/platform/goldfish/Kconfig b/drivers/platform/goldfish/Kconfig
index f3d09b1631e3e..03ca5bf19f985 100644
--- a/drivers/platform/goldfish/Kconfig
+++ b/drivers/platform/goldfish/Kconfig
@@ -2,6 +2,7 @@
menuconfig GOLDFISH
bool "Platform support for Goldfish virtual devices"
depends on HAS_IOMEM && HAS_DMA
+ default X86_GOLDFISH
help
Say Y here to get to see options for the Goldfish virtual platform.
This option alone does not add any kernel code.
--
GitLab
From b44abdd29423a77074a9edb462de37f1a09daaab Mon Sep 17 00:00:00 2001
From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Date: Tue, 13 Feb 2024 12:15:27 +0100
Subject: [PATCH 1014/2686] hpet: remove hpets::hp_clocksource
Commit cf8e8658100d (arch: Remove Itanium (IA-64) architecture) removed
the last user of hpets::hp_clocksource. Drop the member.
Found by https://github.com/jirislaby/clang-struct.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Clemens Ladisch <clemens@ladisch.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240213111527.25218-1-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/char/hpet.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 9c90b1d2c0366..d51fc8321d411 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -87,7 +87,6 @@ struct hpets {
struct hpets *hp_next;
struct hpet __iomem *hp_hpet;
unsigned long hp_hpet_phys;
- struct clocksource *hp_clocksource;
unsigned long long hp_tick_freq;
unsigned long hp_delta;
unsigned int hp_ntimer;
--
GitLab
From 316459ba4051fd91237171fdca88920128a646f1 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Tue, 20 Feb 2024 12:02:31 +0300
Subject: [PATCH 1015/2686] char: xilinx_hwicap: Fix NULL vs IS_ERR() bug
The devm_platform_ioremap_resource() function returns error pointers.
It never returns NULL. Update the check accordingly.
Fixes: 672371832193 ("char: xilinx_hwicap: Modernize driver probe")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/ef647a9c-b1b7-4338-9bc0-28165ec2a367@moroto.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/char/xilinx_hwicap/xilinx_hwicap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index 3aaa4b4d9f08b..4f6c3cb8aa413 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -639,8 +639,8 @@ static int hwicap_setup(struct platform_device *pdev, int id,
dev_set_drvdata(dev, drvdata);
drvdata->base_address = devm_platform_ioremap_resource(pdev, 0);
- if (!drvdata->base_address) {
- retval = -ENODEV;
+ if (IS_ERR(drvdata->base_address)) {
+ retval = PTR_ERR(drvdata->base_address);
goto failed;
}
--
GitLab
From 02a7873dd7731377a6e61213cd69a7738a1066bf Mon Sep 17 00:00:00 2001
From: Matt Hsiao <matt.hsiao@hpe.com>
Date: Wed, 21 Feb 2024 12:03:07 +0800
Subject: [PATCH 1016/2686] MAINTAINERS: change the maintainer for hpilo driver
Change the maintainer to Keng-Yu Lin as I am moving out of the project.
Signed-off-by: Matt Hsiao <matt.hsiao@hpe.com>
Acked-by: Keng-Yu Lin <keng-yu.lin@hpe.com>
Link: https://lore.kernel.org/r/20240221040307.23019-1-matt.hsiao@hpe.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
MAINTAINERS | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 024f327d36a4a..19b5a14f9b164 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9440,7 +9440,7 @@ T: git git://linuxtv.org/media_tree.git
F: drivers/media/usb/hdpvr/
HEWLETT PACKARD ENTERPRISE ILO CHIF DRIVER
-M: Matt Hsiao <matt.hsiao@hpe.com>
+M: Keng-Yu Lin <keng-yu.lin@hpe.com>
S: Supported
F: drivers/misc/hpilo.[ch]
--
GitLab
From 71cfc131f60ad1e50b8feada8908cd0e3efb7048 Mon Sep 17 00:00:00 2001
From: Nadav Amit <nadav.amit@gmail.com>
Date: Fri, 2 Feb 2024 20:23:39 +0200
Subject: [PATCH 1017/2686] vmw_balloon: change maintainership
Jerrin will be the new maintainer of the VMware balloon driver following
Broadcom's acquisition and Nadav's departure.
Update accordingly:
1. Update the maintainer name and email.
2. Update the reviewer list to Broadcom's, which acquired VMware.
3. Add .mailmap entries for Nadav.
Cc: Jerrin Shaji George <jerrin.shaji-george@broadcom.com>
Signed-off-by: Nadav Amit <nadav.amit@gmail.com>
Acked-by: Jerrin Shaji George <jerrin.shaji-george@broadcom.com>
Link: https://lore.kernel.org/r/20240202182339.1725466-1-nadav.amit@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.mailmap | 2 ++
MAINTAINERS | 4 ++--
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/.mailmap b/.mailmap
index b99a238ee3bde..f7be2b7127b8d 100644
--- a/.mailmap
+++ b/.mailmap
@@ -438,6 +438,8 @@ Mukesh Ojha <quic_mojha@quicinc.com> <mojha@codeaurora.org>
Muna Sinada <quic_msinada@quicinc.com> <msinada@codeaurora.org>
Murali Nalajala <quic_mnalajal@quicinc.com> <mnalajal@codeaurora.org>
Mythri P K <mythripk@ti.com>
+Nadav Amit <nadav.amit@gmail.com> <namit@vmware.com>
+Nadav Amit <nadav.amit@gmail.com> <namit@cs.technion.ac.il>
Nadia Yvette Chambers <nyc@holomorphy.com> William Lee Irwin III <wli@holomorphy.com>
Naoya Horiguchi <naoya.horiguchi@nec.com> <n-horiguchi@ah.jp.nec.com>
Nathan Chancellor <nathan@kernel.org> <natechancellor@gmail.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 19b5a14f9b164..1179e8a76192a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -23503,8 +23503,8 @@ F: Documentation/driver-api/vme.rst
F: drivers/staging/vme_user/
VMWARE BALLOON DRIVER
-M: Nadav Amit <namit@vmware.com>
-R: VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
+M: Jerrin Shaji George <jerrin.shaji-george@broadcom.com>
+R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
L: linux-kernel@vger.kernel.org
S: Supported
F: drivers/misc/vmw_balloon.c
--
GitLab
From 832c17b8b658aa88f237d7025906334cb96bbdcb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 6 Mar 2024 18:57:10 +0100
Subject: [PATCH 1018/2686] char: xillybus: Convert to platform remove callback
returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Eli Billauer <eli.billauer@gmail.com>
Link: https://lore.kernel.org/r/20240306175710.82569-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/char/xillybus/xillybus_of.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/char/xillybus/xillybus_of.c b/drivers/char/xillybus/xillybus_of.c
index e5372e45d2118..8802e2a6fd20b 100644
--- a/drivers/char/xillybus/xillybus_of.c
+++ b/drivers/char/xillybus/xillybus_of.c
@@ -64,19 +64,17 @@ static int xilly_drv_probe(struct platform_device *op)
return xillybus_endpoint_discovery(endpoint);
}
-static int xilly_drv_remove(struct platform_device *op)
+static void xilly_drv_remove(struct platform_device *op)
{
struct device *dev = &op->dev;
struct xilly_endpoint *endpoint = dev_get_drvdata(dev);
xillybus_endpoint_remove(endpoint);
-
- return 0;
}
static struct platform_driver xillybus_platform_driver = {
.probe = xilly_drv_probe,
- .remove = xilly_drv_remove,
+ .remove_new = xilly_drv_remove,
.driver = {
.name = xillyname,
.of_match_table = xillybus_of_match,
--
GitLab
From adf4e1055522f62e2c23926c9c66d49c70dfcd15 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 18 Dec 2023 22:05:18 +0100
Subject: [PATCH 1019/2686] parport: amiga: Convert to platform remove callback
returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/75b3b8f498d6079c974bd47c763c589b9d2c00f6.1702933181.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/parport/parport_amiga.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/parport/parport_amiga.c b/drivers/parport/parport_amiga.c
index 84d5701d606ce..e6dc857aac3fe 100644
--- a/drivers/parport/parport_amiga.c
+++ b/drivers/parport/parport_amiga.c
@@ -219,7 +219,7 @@ static int __init amiga_parallel_probe(struct platform_device *pdev)
return err;
}
-static int __exit amiga_parallel_remove(struct platform_device *pdev)
+static void __exit amiga_parallel_remove(struct platform_device *pdev)
{
struct parport *port = platform_get_drvdata(pdev);
@@ -227,11 +227,10 @@ static int __exit amiga_parallel_remove(struct platform_device *pdev)
if (port->irq != PARPORT_IRQ_NONE)
free_irq(IRQ_AMIGA_CIAA_FLG, port);
parport_put_port(port);
- return 0;
}
static struct platform_driver amiga_parallel_driver = {
- .remove = __exit_p(amiga_parallel_remove),
+ .remove_new = __exit_p(amiga_parallel_remove),
.driver = {
.name = "amiga-parallel",
},
--
GitLab
From 813f008d4343bd5ecc14790cf98ad24deb7e8d2d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 18 Dec 2023 22:05:19 +0100
Subject: [PATCH 1020/2686] parport: sunbpp: Convert to platform remove
callback returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/f0372246783c7eebb859f82b4b23a9ae25b0adf1.1702933181.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/parport/parport_sunbpp.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c
index c81d4d86994b1..949236a7a27c9 100644
--- a/drivers/parport/parport_sunbpp.c
+++ b/drivers/parport/parport_sunbpp.c
@@ -334,7 +334,7 @@ static int bpp_probe(struct platform_device *op)
return err;
}
-static int bpp_remove(struct platform_device *op)
+static void bpp_remove(struct platform_device *op)
{
struct parport *p = dev_get_drvdata(&op->dev);
struct parport_operations *ops = p->ops;
@@ -351,8 +351,6 @@ static int bpp_remove(struct platform_device *op)
kfree(ops);
dev_set_drvdata(&op->dev, NULL);
-
- return 0;
}
static const struct of_device_id bpp_match[] = {
@@ -370,7 +368,7 @@ static struct platform_driver bpp_sbus_driver = {
.of_match_table = bpp_match,
},
.probe = bpp_probe,
- .remove = bpp_remove,
+ .remove_new = bpp_remove,
};
module_platform_driver(bpp_sbus_driver);
--
GitLab
From b6c8dafc9d86eb77e502bb018ec4105e8d2fbf78 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 4 Feb 2024 16:57:36 +0100
Subject: [PATCH 1021/2686] speakup: Fix 8bit characters from direct synth
When userland echoes 8bit characters to /dev/synth with e.g.
echo -e '\xe9' > /dev/synth
synth_write would get characters beyond 0x7f, and thus negative when
char is signed. When given to synth_buffer_add which takes a u16, this
would sign-extend and produce a U+ffxy character rather than U+xy.
Users thus get garbled text instead of accents in their output.
Let's fix this by making sure that we read unsigned characters.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Fixes: 89fc2ae80bb1 ("speakup: extend synth buffer to 16bit unicode characters")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240204155736.2oh4ot7tiaa2wpbh@begin
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/accessibility/speakup/synth.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/accessibility/speakup/synth.c b/drivers/accessibility/speakup/synth.c
index eea2a2fa4f015..45f9061031338 100644
--- a/drivers/accessibility/speakup/synth.c
+++ b/drivers/accessibility/speakup/synth.c
@@ -208,8 +208,10 @@ void spk_do_flush(void)
wake_up_process(speakup_task);
}
-void synth_write(const char *buf, size_t count)
+void synth_write(const char *_buf, size_t count)
{
+ const unsigned char *buf = (const unsigned char *) _buf;
+
while (count--)
synth_buffer_add(*buf++);
synth_start();
--
GitLab
From 807977260ae4de1cf39cfc55713fc0bc56566f7a Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 4 Feb 2024 16:58:25 +0100
Subject: [PATCH 1022/2686] speakup: Add /dev/synthu device
/dev/synth has always been 8bit, but applications nowadays mostly
expect to be using utf-8 encoding. This adds /dev/synthu to be able
to synthesize non-latin1 characters. This however remains limited
to 16bit unicode like the rest of speakup. Any odd input or input
beyond 16bit is just discarded.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
===================================================================
Link: https://lore.kernel.org/r/20240204155825.ditstifsbqndnce3@begin
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/accessibility/speakup/devsynth.c | 148 ++++++++++++++++++++---
1 file changed, 133 insertions(+), 15 deletions(-)
diff --git a/drivers/accessibility/speakup/devsynth.c b/drivers/accessibility/speakup/devsynth.c
index d305716635855..da4d0f6aa5bf9 100644
--- a/drivers/accessibility/speakup/devsynth.c
+++ b/drivers/accessibility/speakup/devsynth.c
@@ -7,9 +7,10 @@
#include "speakup.h"
#include "spk_priv.h"
-static int misc_registered;
+static int synth_registered, synthu_registered;
static int dev_opened;
+/* Latin1 version */
static ssize_t speakup_file_write(struct file *fp, const char __user *buffer,
size_t nbytes, loff_t *ppos)
{
@@ -34,6 +35,97 @@ static ssize_t speakup_file_write(struct file *fp, const char __user *buffer,
return (ssize_t)nbytes;
}
+/* UTF-8 version */
+static ssize_t speakup_file_writeu(struct file *fp, const char __user *buffer,
+ size_t nbytes, loff_t *ppos)
+{
+ size_t count = nbytes, want;
+ const char __user *ptr = buffer;
+ size_t bytes;
+ unsigned long flags;
+ unsigned char buf[256];
+ u16 ubuf[256];
+ size_t in, in2, out;
+
+ if (!synth)
+ return -ENODEV;
+
+ want = 1;
+ while (count >= want) {
+ /* Copy some UTF-8 piece from userland */
+ bytes = min(count, sizeof(buf));
+ if (copy_from_user(buf, ptr, bytes))
+ return -EFAULT;
+
+ /* Convert to u16 */
+ for (in = 0, out = 0; in < bytes; in++) {
+ unsigned char c = buf[in];
+ int nbytes = 8 - fls(c ^ 0xff);
+ u32 value;
+
+ switch (nbytes) {
+ case 8: /* 0xff */
+ case 7: /* 0xfe */
+ case 1: /* 0x80 */
+ /* Invalid, drop */
+ goto drop;
+
+ case 0:
+ /* ASCII, copy */
+ ubuf[out++] = c;
+ continue;
+
+ default:
+ /* 2..6-byte UTF-8 */
+
+ if (bytes - in < nbytes) {
+ /* We don't have it all yet, stop here
+ * and wait for the rest
+ */
+ bytes = in;
+ want = nbytes;
+ continue;
+ }
+
+ /* First byte */
+ value = c & ((1u << (7 - nbytes)) - 1);
+
+ /* Other bytes */
+ for (in2 = 2; in2 <= nbytes; in2++) {
+ c = buf[in + 1];
+ if ((c & 0xc0) != 0x80) {
+ /* Invalid, drop the head */
+ want = 1;
+ goto drop;
+ }
+ value = (value << 6) | (c & 0x3f);
+ in++;
+ }
+
+ if (value < 0x10000)
+ ubuf[out++] = value;
+ want = 1;
+ break;
+ }
+drop:
+ }
+
+ count -= bytes;
+ ptr += bytes;
+
+ /* And speak this up */
+ if (out) {
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ for (in = 0; in < out; in++)
+ synth_buffer_add(ubuf[in]);
+ synth_start();
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ }
+ }
+
+ return (ssize_t)(nbytes - count);
+}
+
static ssize_t speakup_file_read(struct file *fp, char __user *buf,
size_t nbytes, loff_t *ppos)
{
@@ -62,31 +154,57 @@ static const struct file_operations synth_fops = {
.release = speakup_file_release,
};
+static const struct file_operations synthu_fops = {
+ .read = speakup_file_read,
+ .write = speakup_file_writeu,
+ .open = speakup_file_open,
+ .release = speakup_file_release,
+};
+
static struct miscdevice synth_device = {
.minor = MISC_DYNAMIC_MINOR,
.name = "synth",
.fops = &synth_fops,
};
+static struct miscdevice synthu_device = {
+ .minor = MISC_DYNAMIC_MINOR,
+ .name = "synthu",
+ .fops = &synthu_fops,
+};
+
void speakup_register_devsynth(void)
{
- if (misc_registered != 0)
- return;
-/* zero it so if register fails, deregister will not ref invalid ptrs */
- if (misc_register(&synth_device)) {
- pr_warn("Couldn't initialize miscdevice /dev/synth.\n");
- } else {
- pr_info("initialized device: /dev/synth, node (MAJOR %d, MINOR %d)\n",
- MISC_MAJOR, synth_device.minor);
- misc_registered = 1;
+ if (!synth_registered) {
+ if (misc_register(&synth_device)) {
+ pr_warn("Couldn't initialize miscdevice /dev/synth.\n");
+ } else {
+ pr_info("initialized device: /dev/synth, node (MAJOR %d, MINOR %d)\n",
+ MISC_MAJOR, synth_device.minor);
+ synth_registered = 1;
+ }
+ }
+ if (!synthu_registered) {
+ if (misc_register(&synthu_device)) {
+ pr_warn("Couldn't initialize miscdevice /dev/synthu.\n");
+ } else {
+ pr_info("initialized device: /dev/synthu, node (MAJOR %d, MINOR %d)\n",
+ MISC_MAJOR, synthu_device.minor);
+ synthu_registered = 1;
+ }
}
}
void speakup_unregister_devsynth(void)
{
- if (!misc_registered)
- return;
- pr_info("speakup: unregistering synth device /dev/synth\n");
- misc_deregister(&synth_device);
- misc_registered = 0;
+ if (synth_registered) {
+ pr_info("speakup: unregistering synth device /dev/synth\n");
+ misc_deregister(&synth_device);
+ synth_registered = 0;
+ }
+ if (synthu_registered) {
+ pr_info("speakup: unregistering synth device /dev/synthu\n");
+ misc_deregister(&synthu_device);
+ synthu_registered = 0;
+ }
}
--
GitLab
From e3a59056a655975868863a80fc8c05cb25e3b866 Mon Sep 17 00:00:00 2001
From: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Date: Wed, 6 Mar 2024 13:05:15 +0100
Subject: [PATCH 1023/2686] pps: use cflags-y instead of EXTRA_CFLAGS
Commit f77bf01425b1 ("kbuild: introduce ccflags-y, asflags-y and
ldflags-y") deprecates use of EXTRA_CFLAGS in the kernel build.
This has been cleaned up in the whole kernel tree long ago, but this one
single place must have been missed.
Replace the EXTRA_CFLAGS use by the common pattern for such debug flags.
No functional change.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
Link: https://lore.kernel.org/r/20240306120515.15711-1-lukas.bulwahn@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/pps/generators/Makefile | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/pps/generators/Makefile b/drivers/pps/generators/Makefile
index 2d56dd0495d59..2589fd0f2481e 100644
--- a/drivers/pps/generators/Makefile
+++ b/drivers/pps/generators/Makefile
@@ -5,6 +5,4 @@
obj-$(CONFIG_PPS_GENERATOR_PARPORT) += pps_gen_parport.o
-ifeq ($(CONFIG_PPS_DEBUG),y)
-EXTRA_CFLAGS += -DDEBUG
-endif
+ccflags-$(CONFIG_PPS_DEBUG) := -DDEBUG
--
GitLab
From 0e439ba38e615e505404b3935585f1898bafaea9 Mon Sep 17 00:00:00 2001
From: Nipun Gupta <nipun.gupta@amd.com>
Date: Mon, 26 Feb 2024 13:58:16 +0530
Subject: [PATCH 1024/2686] cdx: add MSI support for CDX bus
Add CDX-MSI domain per CDX controller with gic-its domain as
a parent, to support MSI for CDX devices. CDX devices allocate
MSIs from the CDX domain. Also, introduce APIs to alloc and free
IRQs for CDX domain.
In CDX subsystem firmware is a controller for all devices and
their configuration. CDX bus controller sends all the write_msi_msg
commands to firmware running on RPU and the firmware interfaces with
actual devices to pass this information to devices
Since, CDX controller is the only way to communicate with the Firmware
for MSI write info, CDX domain per controller required in contrast to
having a CDX domain per device.
Co-developed-by: Nikhil Agarwal <nikhil.agarwal@amd.com>
Signed-off-by: Nikhil Agarwal <nikhil.agarwal@amd.com>
Co-developed-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
Signed-off-by: Nipun Gupta <nipun.gupta@amd.com>
Reviewed-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Nikhil Agarwal <nikhil.agarwal@amd.com>
Link: https://lore.kernel.org/r/20240226082816.100872-1-nipun.gupta@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/cdx/Makefile | 4 +
drivers/cdx/cdx.c | 20 +++
drivers/cdx/cdx.h | 12 ++
drivers/cdx/cdx_msi.c | 192 ++++++++++++++++++++++++
drivers/cdx/controller/Kconfig | 1 +
drivers/cdx/controller/cdx_controller.c | 25 +++
drivers/cdx/controller/mc_cdx_pcol.h | 64 ++++++++
drivers/cdx/controller/mcdi_functions.c | 33 +++-
drivers/cdx/controller/mcdi_functions.h | 33 ++++
include/linux/cdx/cdx_bus.h | 53 ++++++-
10 files changed, 434 insertions(+), 3 deletions(-)
create mode 100644 drivers/cdx/cdx_msi.c
diff --git a/drivers/cdx/Makefile b/drivers/cdx/Makefile
index 5d1ea482419f0..749a3295c2bdc 100644
--- a/drivers/cdx/Makefile
+++ b/drivers/cdx/Makefile
@@ -8,3 +8,7 @@
ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE=CDX_BUS
obj-$(CONFIG_CDX_BUS) += cdx.o controller/
+
+ifdef CONFIG_GENERIC_MSI_IRQ
+obj-$(CONFIG_CDX_BUS) += cdx_msi.o
+endif
diff --git a/drivers/cdx/cdx.c b/drivers/cdx/cdx.c
index b74d76afccb63..236d381dc5f75 100644
--- a/drivers/cdx/cdx.c
+++ b/drivers/cdx/cdx.c
@@ -56,6 +56,7 @@
*/
#include <linux/init.h>
+#include <linux/irqdomain.h>
#include <linux/kernel.h>
#include <linux/of.h>
#include <linux/of_device.h>
@@ -302,8 +303,19 @@ static int cdx_probe(struct device *dev)
{
struct cdx_driver *cdx_drv = to_cdx_driver(dev->driver);
struct cdx_device *cdx_dev = to_cdx_device(dev);
+ struct cdx_controller *cdx = cdx_dev->cdx;
int error;
+ /*
+ * Setup MSI device data so that generic MSI alloc/free can
+ * be used by the device driver.
+ */
+ if (cdx->msi_domain) {
+ error = msi_setup_device_data(&cdx_dev->dev);
+ if (error)
+ return error;
+ }
+
error = cdx_drv->probe(cdx_dev);
if (error) {
dev_err_probe(dev, error, "%s failed\n", __func__);
@@ -787,6 +799,7 @@ int cdx_device_add(struct cdx_dev_params *dev_params)
/* Populate CDX dev params */
cdx_dev->req_id = dev_params->req_id;
+ cdx_dev->msi_dev_id = dev_params->msi_dev_id;
cdx_dev->vendor = dev_params->vendor;
cdx_dev->device = dev_params->device;
cdx_dev->subsystem_vendor = dev_params->subsys_vendor;
@@ -804,12 +817,19 @@ int cdx_device_add(struct cdx_dev_params *dev_params)
cdx_dev->dev.bus = &cdx_bus_type;
cdx_dev->dev.dma_mask = &cdx_dev->dma_mask;
cdx_dev->dev.release = cdx_device_release;
+ cdx_dev->msi_write_pending = false;
+ mutex_init(&cdx_dev->irqchip_lock);
/* Set Name */
dev_set_name(&cdx_dev->dev, "cdx-%02x:%02x",
((cdx->id << CDX_CONTROLLER_ID_SHIFT) | (cdx_dev->bus_num & CDX_BUS_NUM_MASK)),
cdx_dev->dev_num);
+ if (cdx->msi_domain) {
+ cdx_dev->num_msi = dev_params->num_msi;
+ dev_set_msi_domain(&cdx_dev->dev, cdx->msi_domain);
+ }
+
ret = device_add(&cdx_dev->dev);
if (ret) {
dev_err(&cdx_dev->dev,
diff --git a/drivers/cdx/cdx.h b/drivers/cdx/cdx.h
index 300ad8be7a344..9c60c04dcf877 100644
--- a/drivers/cdx/cdx.h
+++ b/drivers/cdx/cdx.h
@@ -25,6 +25,8 @@
* @req_id: Requestor ID associated with CDX device
* @class: Class of the CDX Device
* @revision: Revision of the CDX device
+ * @msi_dev_id: MSI device ID associated with CDX device
+ * @num_msi: Number of MSI's supported by the device
*/
struct cdx_dev_params {
struct cdx_controller *cdx;
@@ -40,6 +42,8 @@ struct cdx_dev_params {
u32 req_id;
u32 class;
u8 revision;
+ u32 msi_dev_id;
+ u32 num_msi;
};
/**
@@ -79,4 +83,12 @@ int cdx_device_add(struct cdx_dev_params *dev_params);
*/
struct device *cdx_bus_add(struct cdx_controller *cdx, u8 bus_num);
+/**
+ * cdx_msi_domain_init - Init the CDX bus MSI domain.
+ * @dev: Device of the CDX bus controller
+ *
+ * Return: CDX MSI domain, NULL on failure
+ */
+struct irq_domain *cdx_msi_domain_init(struct device *dev);
+
#endif /* _CDX_H_ */
diff --git a/drivers/cdx/cdx_msi.c b/drivers/cdx/cdx_msi.c
new file mode 100644
index 0000000000000..e55f1716cfcb2
--- /dev/null
+++ b/drivers/cdx/cdx_msi.c
@@ -0,0 +1,192 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * AMD CDX bus driver MSI support
+ *
+ * Copyright (C) 2022-2023, Advanced Micro Devices, Inc.
+ */
+
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/msi.h>
+#include <linux/cdx/cdx_bus.h>
+
+#include "cdx.h"
+
+static void cdx_msi_write_msg(struct irq_data *irq_data, struct msi_msg *msg)
+{
+ struct msi_desc *msi_desc = irq_data_get_msi_desc(irq_data);
+ struct cdx_device *cdx_dev = to_cdx_device(msi_desc->dev);
+
+ /* We would not operate on msg here rather we wait for irq_bus_sync_unlock()
+ * to be called from preemptible task context.
+ */
+ msi_desc->msg = *msg;
+ cdx_dev->msi_write_pending = true;
+}
+
+static void cdx_msi_write_irq_lock(struct irq_data *irq_data)
+{
+ struct msi_desc *msi_desc = irq_data_get_msi_desc(irq_data);
+ struct cdx_device *cdx_dev = to_cdx_device(msi_desc->dev);
+
+ mutex_lock(&cdx_dev->irqchip_lock);
+}
+
+static void cdx_msi_write_irq_unlock(struct irq_data *irq_data)
+{
+ struct msi_desc *msi_desc = irq_data_get_msi_desc(irq_data);
+ struct cdx_device *cdx_dev = to_cdx_device(msi_desc->dev);
+ struct cdx_controller *cdx = cdx_dev->cdx;
+ struct cdx_device_config dev_config;
+
+ if (!cdx_dev->msi_write_pending) {
+ mutex_unlock(&cdx_dev->irqchip_lock);
+ return;
+ }
+
+ cdx_dev->msi_write_pending = false;
+ mutex_unlock(&cdx_dev->irqchip_lock);
+
+ dev_config.msi.msi_index = msi_desc->msi_index;
+ dev_config.msi.data = msi_desc->msg.data;
+ dev_config.msi.addr = ((u64)(msi_desc->msg.address_hi) << 32) | msi_desc->msg.address_lo;
+
+ /*
+ * dev_configure() is a controller callback which can interact with
+ * Firmware or other entities, and can sleep, so invoke this function
+ * outside of the mutex held region.
+ */
+ dev_config.type = CDX_DEV_MSI_CONF;
+ if (cdx->ops->dev_configure)
+ cdx->ops->dev_configure(cdx, cdx_dev->bus_num, cdx_dev->dev_num, &dev_config);
+}
+
+int cdx_enable_msi(struct cdx_device *cdx_dev)
+{
+ struct cdx_controller *cdx = cdx_dev->cdx;
+ struct cdx_device_config dev_config;
+
+ dev_config.type = CDX_DEV_MSI_ENABLE;
+ dev_config.msi_enable = true;
+ if (cdx->ops->dev_configure) {
+ return cdx->ops->dev_configure(cdx, cdx_dev->bus_num, cdx_dev->dev_num,
+ &dev_config);
+ }
+
+ return -EOPNOTSUPP;
+}
+EXPORT_SYMBOL_GPL(cdx_enable_msi);
+
+void cdx_disable_msi(struct cdx_device *cdx_dev)
+{
+ struct cdx_controller *cdx = cdx_dev->cdx;
+ struct cdx_device_config dev_config;
+
+ dev_config.type = CDX_DEV_MSI_ENABLE;
+ dev_config.msi_enable = false;
+ if (cdx->ops->dev_configure)
+ cdx->ops->dev_configure(cdx, cdx_dev->bus_num, cdx_dev->dev_num, &dev_config);
+}
+EXPORT_SYMBOL_GPL(cdx_disable_msi);
+
+static struct irq_chip cdx_msi_irq_chip = {
+ .name = "CDX-MSI",
+ .irq_mask = irq_chip_mask_parent,
+ .irq_unmask = irq_chip_unmask_parent,
+ .irq_eoi = irq_chip_eoi_parent,
+ .irq_set_affinity = msi_domain_set_affinity,
+ .irq_write_msi_msg = cdx_msi_write_msg,
+ .irq_bus_lock = cdx_msi_write_irq_lock,
+ .irq_bus_sync_unlock = cdx_msi_write_irq_unlock
+};
+
+/* Convert an msi_desc to a unique identifier within the domain. */
+static irq_hw_number_t cdx_domain_calc_hwirq(struct cdx_device *dev,
+ struct msi_desc *desc)
+{
+ return ((irq_hw_number_t)dev->msi_dev_id << 10) | desc->msi_index;
+}
+
+static void cdx_msi_set_desc(msi_alloc_info_t *arg, struct msi_desc *desc)
+{
+ arg->desc = desc;
+ arg->hwirq = cdx_domain_calc_hwirq(to_cdx_device(desc->dev), desc);
+}
+
+static int cdx_msi_prepare(struct irq_domain *msi_domain,
+ struct device *dev,
+ int nvec, msi_alloc_info_t *info)
+{
+ struct cdx_device *cdx_dev = to_cdx_device(dev);
+ struct device *parent = cdx_dev->cdx->dev;
+ struct msi_domain_info *msi_info;
+ u32 dev_id;
+ int ret;
+
+ /* Retrieve device ID from requestor ID using parent device */
+ ret = of_map_id(parent->of_node, cdx_dev->msi_dev_id, "msi-map", "msi-map-mask",
+ NULL, &dev_id);
+ if (ret) {
+ dev_err(dev, "of_map_id failed for MSI: %d\n", ret);
+ return ret;
+ }
+
+#ifdef GENERIC_MSI_DOMAIN_OPS
+ /* Set the device Id to be passed to the GIC-ITS */
+ info->scratchpad[0].ul = dev_id;
+#endif
+
+ msi_info = msi_get_domain_info(msi_domain->parent);
+
+ return msi_info->ops->msi_prepare(msi_domain->parent, dev, nvec, info);
+}
+
+static struct msi_domain_ops cdx_msi_ops = {
+ .msi_prepare = cdx_msi_prepare,
+ .set_desc = cdx_msi_set_desc
+};
+
+static struct msi_domain_info cdx_msi_domain_info = {
+ .ops = &cdx_msi_ops,
+ .chip = &cdx_msi_irq_chip,
+ .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
+ MSI_FLAG_ALLOC_SIMPLE_MSI_DESCS | MSI_FLAG_FREE_MSI_DESCS
+};
+
+struct irq_domain *cdx_msi_domain_init(struct device *dev)
+{
+ struct device_node *np = dev->of_node;
+ struct fwnode_handle *fwnode_handle;
+ struct irq_domain *cdx_msi_domain;
+ struct device_node *parent_node;
+ struct irq_domain *parent;
+
+ fwnode_handle = of_node_to_fwnode(np);
+
+ parent_node = of_parse_phandle(np, "msi-map", 1);
+ if (!parent_node) {
+ dev_err(dev, "msi-map not present on cdx controller\n");
+ return NULL;
+ }
+
+ parent = irq_find_matching_fwnode(of_node_to_fwnode(parent_node), DOMAIN_BUS_NEXUS);
+ if (!parent || !msi_get_domain_info(parent)) {
+ dev_err(dev, "unable to locate ITS domain\n");
+ return NULL;
+ }
+
+ cdx_msi_domain = msi_create_irq_domain(fwnode_handle, &cdx_msi_domain_info, parent);
+ if (!cdx_msi_domain) {
+ dev_err(dev, "unable to create CDX-MSI domain\n");
+ return NULL;
+ }
+
+ dev_dbg(dev, "CDX-MSI domain created\n");
+
+ return cdx_msi_domain;
+}
+EXPORT_SYMBOL_NS_GPL(cdx_msi_domain_init, CDX_BUS_CONTROLLER);
diff --git a/drivers/cdx/controller/Kconfig b/drivers/cdx/controller/Kconfig
index 61bf17fbe4336..f8e729761aeed 100644
--- a/drivers/cdx/controller/Kconfig
+++ b/drivers/cdx/controller/Kconfig
@@ -9,6 +9,7 @@ if CDX_BUS
config CDX_CONTROLLER
tristate "CDX bus controller"
+ select GENERIC_MSI_IRQ
select REMOTEPROC
select RPMSG
help
diff --git a/drivers/cdx/controller/cdx_controller.c b/drivers/cdx/controller/cdx_controller.c
index 85fe4b1c4e5ee..112a1541de6d7 100644
--- a/drivers/cdx/controller/cdx_controller.c
+++ b/drivers/cdx/controller/cdx_controller.c
@@ -9,6 +9,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/cdx/cdx_bus.h>
+#include <linux/irqdomain.h>
#include "cdx_controller.h"
#include "../cdx.h"
@@ -60,9 +61,19 @@ static int cdx_configure_device(struct cdx_controller *cdx,
u8 bus_num, u8 dev_num,
struct cdx_device_config *dev_config)
{
+ u16 msi_index;
int ret = 0;
+ u32 data;
+ u64 addr;
switch (dev_config->type) {
+ case CDX_DEV_MSI_CONF:
+ msi_index = dev_config->msi.msi_index;
+ data = dev_config->msi.data;
+ addr = dev_config->msi.addr;
+
+ ret = cdx_mcdi_write_msi(cdx->priv, bus_num, dev_num, msi_index, addr, data);
+ break;
case CDX_DEV_RESET_CONF:
ret = cdx_mcdi_reset_device(cdx->priv, bus_num, dev_num);
break;
@@ -70,6 +81,9 @@ static int cdx_configure_device(struct cdx_controller *cdx,
ret = cdx_mcdi_bus_master_enable(cdx->priv, bus_num, dev_num,
dev_config->bus_master_enable);
break;
+ case CDX_DEV_MSI_ENABLE:
+ ret = cdx_mcdi_msi_enable(cdx->priv, bus_num, dev_num, dev_config->msi_enable);
+ break;
default:
ret = -EINVAL;
}
@@ -178,6 +192,14 @@ static int xlnx_cdx_probe(struct platform_device *pdev)
cdx->priv = cdx_mcdi;
cdx->ops = &cdx_ops;
+ /* Create MSI domain */
+ cdx->msi_domain = cdx_msi_domain_init(&pdev->dev);
+ if (!cdx->msi_domain) {
+ dev_err(&pdev->dev, "cdx_msi_domain_init() failed");
+ ret = -ENODEV;
+ goto cdx_msi_fail;
+ }
+
ret = cdx_setup_rpmsg(pdev);
if (ret) {
if (ret != -EPROBE_DEFER)
@@ -189,6 +211,8 @@ static int xlnx_cdx_probe(struct platform_device *pdev)
return 0;
cdx_rpmsg_fail:
+ irq_domain_remove(cdx->msi_domain);
+cdx_msi_fail:
kfree(cdx);
cdx_alloc_fail:
cdx_mcdi_finish(cdx_mcdi);
@@ -205,6 +229,7 @@ static int xlnx_cdx_remove(struct platform_device *pdev)
cdx_destroy_rpmsg(pdev);
+ irq_domain_remove(cdx->msi_domain);
kfree(cdx);
cdx_mcdi_finish(cdx_mcdi);
diff --git a/drivers/cdx/controller/mc_cdx_pcol.h b/drivers/cdx/controller/mc_cdx_pcol.h
index 2de019406b577..832a44af963ef 100644
--- a/drivers/cdx/controller/mc_cdx_pcol.h
+++ b/drivers/cdx/controller/mc_cdx_pcol.h
@@ -455,6 +455,12 @@
#define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_REQUESTER_ID_OFST 84
#define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_REQUESTER_ID_LEN 4
+/* MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_V2 msgresponse */
+#define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_V2_LEN 92
+/* Requester ID used by device for GIC ITS DeviceID */
+#define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_V2_REQUESTER_DEVICE_ID_OFST 88
+#define MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_V2_REQUESTER_DEVICE_ID_LEN 4
+
/***********************************/
/*
* MC_CMD_CDX_BUS_DOWN
@@ -616,6 +622,64 @@
#define MC_CMD_CDX_DEVICE_CONTROL_GET_OUT_MMIO_REGIONS_ENABLE_LBN 2
#define MC_CMD_CDX_DEVICE_CONTROL_GET_OUT_MMIO_REGIONS_ENABLE_WIDTH 1
+/***********************************/
+/*
+ * MC_CMD_CDX_DEVICE_WRITE_MSI_MSG
+ * Populates the MSI message to be used by the hardware to raise the specified
+ * interrupt vector. Versal-net implementation specific limitations are that
+ * only 4 CDX devices with MSI interrupt capability are supported and all
+ * vectors within a device must use the same write address. The command will
+ * return EINVAL if any of these limitations is violated.
+ */
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG 0x9
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_MSGSET 0x9
+#undef MC_CMD_0x9_PRIVILEGE_CTG
+
+#define MC_CMD_0x9_PRIVILEGE_CTG SRIOV_CTG_ADMIN
+
+/* MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN msgrequest */
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_LEN 28
+/* Device bus number, in range 0 to BUS_COUNT-1 */
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_BUS_OFST 0
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_BUS_LEN 4
+/* Device number relative to the bus, in range 0 to DEVICE_COUNT-1 for that bus */
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_DEVICE_OFST 4
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_DEVICE_LEN 4
+/*
+ * Device-relative MSI vector number. Must be < MSI_COUNT reported for the
+ * device.
+ */
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_VECTOR_OFST 8
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_VECTOR_LEN 4
+/* Reserved (alignment) */
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_RESERVED_OFST 12
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_RESERVED_LEN 4
+/*
+ * MSI address to be used by the hardware. Typically, on ARM systems this
+ * address is translated by the IOMMU (if enabled) and it is the responsibility
+ * of the entity managing the IOMMU (APU kernel) to supply the correct IOVA
+ * here.
+ */
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_ADDRESS_OFST 16
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_ADDRESS_LEN 8
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_ADDRESS_LO_OFST 16
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_ADDRESS_LO_LEN 4
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_ADDRESS_LO_LBN 128
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_ADDRESS_LO_WIDTH 32
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_ADDRESS_HI_OFST 20
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_ADDRESS_HI_LEN 4
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_ADDRESS_HI_LBN 160
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_ADDRESS_HI_WIDTH 32
+/*
+ * MSI data to be used by the hardware. On versal-net, only the lower 16-bits
+ * are used, the remaining bits are ignored and should be set to zero.
+ */
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_DATA_OFST 24
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_DATA_LEN 4
+
+/* MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_OUT msgresponse */
+#define MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_OUT_LEN 0
+
/***********************************/
/* MC_CMD_V2_EXTN - Encapsulation for a v2 extended command */
#define MC_CMD_V2_EXTN 0x7f
diff --git a/drivers/cdx/controller/mcdi_functions.c b/drivers/cdx/controller/mcdi_functions.c
index b1f5309463893..885c69e6ebe5b 100644
--- a/drivers/cdx/controller/mcdi_functions.c
+++ b/drivers/cdx/controller/mcdi_functions.c
@@ -49,7 +49,7 @@ int cdx_mcdi_get_dev_config(struct cdx_mcdi *cdx,
u8 bus_num, u8 dev_num,
struct cdx_dev_params *dev_params)
{
- MCDI_DECLARE_BUF(outbuf, MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_LEN);
+ MCDI_DECLARE_BUF(outbuf, MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_V2_LEN);
MCDI_DECLARE_BUF(inbuf, MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_IN_LEN);
struct resource *res = &dev_params->res[0];
size_t outlen;
@@ -64,7 +64,7 @@ int cdx_mcdi_get_dev_config(struct cdx_mcdi *cdx,
if (ret)
return ret;
- if (outlen != MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_LEN)
+ if (outlen != MC_CMD_CDX_BUS_GET_DEVICE_CONFIG_OUT_V2_LEN)
return -EIO;
dev_params->bus_num = bus_num;
@@ -73,6 +73,9 @@ int cdx_mcdi_get_dev_config(struct cdx_mcdi *cdx,
req_id = MCDI_DWORD(outbuf, CDX_BUS_GET_DEVICE_CONFIG_OUT_REQUESTER_ID);
dev_params->req_id = req_id;
+ dev_params->msi_dev_id = MCDI_DWORD(outbuf,
+ CDX_BUS_GET_DEVICE_CONFIG_OUT_V2_REQUESTER_DEVICE_ID);
+
dev_params->res_count = 0;
if (MCDI_QWORD(outbuf, CDX_BUS_GET_DEVICE_CONFIG_OUT_MMIO_REGION0_SIZE) != 0) {
res[dev_params->res_count].start =
@@ -127,6 +130,7 @@ int cdx_mcdi_get_dev_config(struct cdx_mcdi *cdx,
dev_params->class = MCDI_DWORD(outbuf,
CDX_BUS_GET_DEVICE_CONFIG_OUT_DEVICE_CLASS) & 0xFFFFFF;
dev_params->revision = MCDI_BYTE(outbuf, CDX_BUS_GET_DEVICE_CONFIG_OUT_DEVICE_REVISION);
+ dev_params->num_msi = MCDI_DWORD(outbuf, CDX_BUS_GET_DEVICE_CONFIG_OUT_MSI_COUNT);
return 0;
}
@@ -155,6 +159,24 @@ int cdx_mcdi_bus_disable(struct cdx_mcdi *cdx, u8 bus_num)
return ret;
}
+int cdx_mcdi_write_msi(struct cdx_mcdi *cdx, u8 bus_num, u8 dev_num,
+ u32 msi_vector, u64 msi_address, u32 msi_data)
+{
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_CDX_DEVICE_WRITE_MSI_MSG_IN_LEN);
+ int ret;
+
+ MCDI_SET_DWORD(inbuf, CDX_DEVICE_WRITE_MSI_MSG_IN_BUS, bus_num);
+ MCDI_SET_DWORD(inbuf, CDX_DEVICE_WRITE_MSI_MSG_IN_DEVICE, dev_num);
+ MCDI_SET_DWORD(inbuf, CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_VECTOR, msi_vector);
+ MCDI_SET_QWORD(inbuf, CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_ADDRESS, msi_address);
+ MCDI_SET_DWORD(inbuf, CDX_DEVICE_WRITE_MSI_MSG_IN_MSI_DATA, msi_data);
+
+ ret = cdx_mcdi_rpc(cdx, MC_CMD_CDX_DEVICE_WRITE_MSI_MSG, inbuf, sizeof(inbuf),
+ NULL, 0, NULL);
+
+ return ret;
+}
+
int cdx_mcdi_reset_device(struct cdx_mcdi *cdx, u8 bus_num, u8 dev_num)
{
MCDI_DECLARE_BUF(inbuf, MC_CMD_CDX_DEVICE_RESET_IN_LEN);
@@ -226,3 +248,10 @@ int cdx_mcdi_bus_master_enable(struct cdx_mcdi *cdx, u8 bus_num,
return cdx_mcdi_ctrl_flag_set(cdx, bus_num, dev_num, enable,
MC_CMD_CDX_DEVICE_CONTROL_SET_IN_BUS_MASTER_ENABLE_LBN);
}
+
+int cdx_mcdi_msi_enable(struct cdx_mcdi *cdx, u8 bus_num,
+ u8 dev_num, bool enable)
+{
+ return cdx_mcdi_ctrl_flag_set(cdx, bus_num, dev_num, enable,
+ MC_CMD_CDX_DEVICE_CONTROL_SET_IN_MSI_ENABLE_LBN);
+}
diff --git a/drivers/cdx/controller/mcdi_functions.h b/drivers/cdx/controller/mcdi_functions.h
index 258a5462fbe34..b9942affdc6b2 100644
--- a/drivers/cdx/controller/mcdi_functions.h
+++ b/drivers/cdx/controller/mcdi_functions.h
@@ -65,6 +65,26 @@ int cdx_mcdi_bus_enable(struct cdx_mcdi *cdx, u8 bus_num);
*/
int cdx_mcdi_bus_disable(struct cdx_mcdi *cdx, u8 bus_num);
+/**
+ * cdx_mcdi_write_msi - Write MSI configuration for CDX device
+ * @cdx: pointer to MCDI interface.
+ * @bus_num: Bus number.
+ * @dev_num: Device number.
+ * @msi_vector: Device-relative MSI vector number.
+ * Must be < MSI_COUNT reported for the device.
+ * @msi_address: MSI address to be used by the hardware. Typically, on ARM
+ * systems this address is translated by the IOMMU (if enabled) and
+ * it is the responsibility of the entity managing the IOMMU (APU kernel)
+ * to supply the correct IOVA here.
+ * @msi_data: MSI data to be used by the hardware. On versal-net, only the
+ * lower 16-bits are used, the remaining bits are ignored and should be
+ * set to zero.
+ *
+ * Return: 0 on success, <0 on failure
+ */
+int cdx_mcdi_write_msi(struct cdx_mcdi *cdx, u8 bus_num, u8 dev_num,
+ u32 msi_vector, u64 msi_address, u32 msi_data);
+
/**
* cdx_mcdi_reset_device - Reset cdx device represented by bus_num:dev_num
* @cdx: pointer to MCDI interface.
@@ -89,4 +109,17 @@ int cdx_mcdi_reset_device(struct cdx_mcdi *cdx,
int cdx_mcdi_bus_master_enable(struct cdx_mcdi *cdx, u8 bus_num,
u8 dev_num, bool enable);
+/**
+ * cdx_mcdi_msi_enable - Enable/Disable MSIs for cdx device represented
+ * by bus_num:dev_num
+ * @cdx: pointer to MCDI interface.
+ * @bus_num: Bus number.
+ * @dev_num: Device number.
+ * @enable: Enable msi's if set, disable otherwise.
+ *
+ * Return: 0 on success, <0 on failure
+ */
+int cdx_mcdi_msi_enable(struct cdx_mcdi *cdx, u8 bus_num,
+ u8 dev_num, bool enable);
+
#endif /* CDX_MCDI_FUNCTIONS_H */
diff --git a/include/linux/cdx/cdx_bus.h b/include/linux/cdx/cdx_bus.h
index 6355a36a3f815..b57118aaa6797 100644
--- a/include/linux/cdx/cdx_bus.h
+++ b/include/linux/cdx/cdx_bus.h
@@ -12,6 +12,7 @@
#include <linux/device.h>
#include <linux/list.h>
#include <linux/mod_devicetable.h>
+#include <linux/msi.h>
#define MAX_CDX_DEV_RESOURCES 4
#define CDX_CONTROLLER_ID_SHIFT 4
@@ -21,13 +22,25 @@
struct cdx_controller;
enum {
+ CDX_DEV_MSI_CONF,
CDX_DEV_BUS_MASTER_CONF,
CDX_DEV_RESET_CONF,
+ CDX_DEV_MSI_ENABLE,
+};
+
+struct cdx_msi_config {
+ u64 addr;
+ u32 data;
+ u16 msi_index;
};
struct cdx_device_config {
u8 type;
- bool bus_master_enable;
+ union {
+ struct cdx_msi_config msi;
+ bool bus_master_enable;
+ bool msi_enable;
+ };
};
typedef int (*cdx_bus_enable_cb)(struct cdx_controller *cdx, u8 bus_num);
@@ -87,6 +100,7 @@ struct cdx_ops {
* struct cdx_controller: CDX controller object
* @dev: Linux device associated with the CDX controller.
* @priv: private data
+ * @msi_domain: MSI domain
* @id: Controller ID
* @controller_registered: controller registered with bus
* @ops: CDX controller ops
@@ -94,6 +108,7 @@ struct cdx_ops {
struct cdx_controller {
struct device *dev;
void *priv;
+ struct irq_domain *msi_domain;
u32 id;
bool controller_registered;
struct cdx_ops *ops;
@@ -120,9 +135,13 @@ struct cdx_controller {
* @req_id: Requestor ID associated with CDX device
* @is_bus: Is this bus device
* @enabled: is this bus enabled
+ * @msi_dev_id: MSI Device ID associated with CDX device
+ * @num_msi: Number of MSI's supported by the device
* @driver_override: driver name to force a match; do not set directly,
* because core frees it; use driver_set_override() to
* set or clear it.
+ * @irqchip_lock: lock to synchronize irq/msi configuration
+ * @msi_write_pending: MSI write pending for this device
*/
struct cdx_device {
struct device dev;
@@ -144,7 +163,11 @@ struct cdx_device {
u32 req_id;
bool is_bus;
bool enabled;
+ u32 msi_dev_id;
+ u32 num_msi;
const char *driver_override;
+ struct mutex irqchip_lock;
+ bool msi_write_pending;
};
#define to_cdx_device(_dev) \
@@ -237,4 +260,32 @@ int cdx_set_master(struct cdx_device *cdx_dev);
*/
int cdx_clear_master(struct cdx_device *cdx_dev);
+#ifdef CONFIG_GENERIC_MSI_IRQ
+/**
+ * cdx_enable_msi - Enable MSI for the CDX device.
+ * @cdx_dev: device pointer
+ *
+ * Return: 0 for success, -errno on failure
+ */
+int cdx_enable_msi(struct cdx_device *cdx_dev);
+
+/**
+ * cdx_disable_msi - Disable MSI for the CDX device.
+ * @cdx_dev: device pointer
+ */
+void cdx_disable_msi(struct cdx_device *cdx_dev);
+
+#else /* CONFIG_GENERIC_MSI_IRQ */
+
+static inline int cdx_enable_msi(struct cdx_device *cdx_dev)
+{
+ return -ENODEV;
+}
+
+static inline void cdx_disable_msi(struct cdx_device *cdx_dev)
+{
+}
+
+#endif /* CONFIG_GENERIC_MSI_IRQ */
+
#endif /* _CDX_BUS_H_ */
--
GitLab
From 576882ef5e7fce030b65c92b508a0f84ea5a81c2 Mon Sep 17 00:00:00 2001
From: Chris Leech <cleech@redhat.com>
Date: Mon, 5 Feb 2024 12:01:37 -0800
Subject: [PATCH 1025/2686] uio: introduce UIO_MEM_DMA_COHERENT type
Add a UIO memtype specifically for sharing dma_alloc_coherent
memory with userspace, backed by dma_mmap_coherent.
This is mainly for the bnx2/bnx2x/bnx2i "cnic" interface, although there
are a few other uio drivers which map dma_alloc_coherent memory and will
be converted to use dma_mmap_coherent as well.
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Chris Leech <cleech@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240205200137.138302-1-cleech@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/uio/uio.c | 47 ++++++++++++++++++++++++++++++++++++++
include/linux/uio_driver.h | 13 +++++++++++
2 files changed, 60 insertions(+)
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 2d572f6c8ec83..bb77de6fa067e 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -24,6 +24,7 @@
#include <linux/kobject.h>
#include <linux/cdev.h>
#include <linux/uio_driver.h>
+#include <linux/dma-mapping.h>
#define UIO_MAX_DEVICES (1U << MINORBITS)
@@ -759,6 +760,49 @@ static int uio_mmap_physical(struct vm_area_struct *vma)
vma->vm_page_prot);
}
+static int uio_mmap_dma_coherent(struct vm_area_struct *vma)
+{
+ struct uio_device *idev = vma->vm_private_data;
+ struct uio_mem *mem;
+ void *addr;
+ int ret = 0;
+ int mi;
+
+ mi = uio_find_mem_index(vma);
+ if (mi < 0)
+ return -EINVAL;
+
+ mem = idev->info->mem + mi;
+
+ if (mem->addr & ~PAGE_MASK)
+ return -ENODEV;
+ if (mem->dma_addr & ~PAGE_MASK)
+ return -ENODEV;
+ if (!mem->dma_device)
+ return -ENODEV;
+ if (vma->vm_end - vma->vm_start > mem->size)
+ return -EINVAL;
+
+ dev_warn(mem->dma_device,
+ "use of UIO_MEM_DMA_COHERENT is highly discouraged");
+
+ /*
+ * UIO uses offset to index into the maps for a device.
+ * We need to clear vm_pgoff for dma_mmap_coherent.
+ */
+ vma->vm_pgoff = 0;
+
+ addr = (void *)mem->addr;
+ ret = dma_mmap_coherent(mem->dma_device,
+ vma,
+ addr,
+ mem->dma_addr,
+ vma->vm_end - vma->vm_start);
+ vma->vm_pgoff = mi;
+
+ return ret;
+}
+
static int uio_mmap(struct file *filep, struct vm_area_struct *vma)
{
struct uio_listener *listener = filep->private_data;
@@ -806,6 +850,9 @@ static int uio_mmap(struct file *filep, struct vm_area_struct *vma)
case UIO_MEM_VIRTUAL:
ret = uio_mmap_logical(vma);
break;
+ case UIO_MEM_DMA_COHERENT:
+ ret = uio_mmap_dma_coherent(vma);
+ break;
default:
ret = -EINVAL;
}
diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h
index 47c5962b876b0..18238dc8bfd35 100644
--- a/include/linux/uio_driver.h
+++ b/include/linux/uio_driver.h
@@ -28,19 +28,26 @@ struct uio_map;
* logical, virtual, or physical & phys_addr_t
* should always be large enough to handle any of
* the address types)
+ * @dma_addr: DMA handle set by dma_alloc_coherent, used with
+ * UIO_MEM_DMA_COHERENT only (@addr should be the
+ * void * returned from the same dma_alloc_coherent call)
* @offs: offset of device memory within the page
* @size: size of IO (multiple of page size)
* @memtype: type of memory addr points to
* @internal_addr: ioremap-ped version of addr, for driver internal use
+ * @dma_device: device struct that was passed to dma_alloc_coherent,
+ * used with UIO_MEM_DMA_COHERENT only
* @map: for use by the UIO core only.
*/
struct uio_mem {
const char *name;
phys_addr_t addr;
+ dma_addr_t dma_addr;
unsigned long offs;
resource_size_t size;
int memtype;
void __iomem *internal_addr;
+ struct device *dma_device;
struct uio_map *map;
};
@@ -158,6 +165,12 @@ extern int __must_check
#define UIO_MEM_LOGICAL 2
#define UIO_MEM_VIRTUAL 3
#define UIO_MEM_IOVA 4
+/*
+ * UIO_MEM_DMA_COHERENT exists for legacy drivers that had been getting by with
+ * improperly mapping DMA coherent allocations through the other modes.
+ * Do not use in new drivers.
+ */
+#define UIO_MEM_DMA_COHERENT 5
/* defines for uio_port->porttype */
#define UIO_PORT_NONE 0
--
GitLab
From bfe78793b264f9e7a809f755f8ef5cb9bb163827 Mon Sep 17 00:00:00 2001
From: Chris Leech <cleech@redhat.com>
Date: Thu, 1 Feb 2024 15:33:58 -0800
Subject: [PATCH 1026/2686] cnic,bnx2,bnx2x: use UIO_MEM_DMA_COHERENT
Use the UIO_MEM_DMA_COHERENT type to properly handle mmap for
dma_alloc_coherent buffers.
The cnic l2_ring and l2_buf mmaps have caused page refcount issues as
the dma_alloc_coherent no longer provide __GFP_COMP allocation as per
commit "dma-mapping: reject __GFP_COMP in dma_alloc_attrs".
Fix this by having the uio device use dma_mmap_coherent.
The bnx2 and bnx2x status block allocations are also dma_alloc_coherent,
and should use dma_mmap_coherent. They don't allocate multiple pages,
but this interface does not work correctly with an iommu enabled unless
dma_mmap_coherent is used.
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Chris Leech <cleech@redhat.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20240201233400.3394996-3-cleech@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/broadcom/bnx2.c | 1 +
.../net/ethernet/broadcom/bnx2x/bnx2x_main.c | 2 ++
drivers/net/ethernet/broadcom/cnic.c | 25 +++++++++++++------
drivers/net/ethernet/broadcom/cnic.h | 1 +
drivers/net/ethernet/broadcom/cnic_if.h | 1 +
5 files changed, 22 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c
index 0d917a9699c58..b65b8592ad759 100644
--- a/drivers/net/ethernet/broadcom/bnx2.c
+++ b/drivers/net/ethernet/broadcom/bnx2.c
@@ -367,6 +367,7 @@ static void bnx2_setup_cnic_irq_info(struct bnx2 *bp)
cp->irq_arr[0].status_blk = (void *)
((unsigned long) bnapi->status_blk.msi +
(BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id));
+ cp->irq_arr[0].status_blk_map = bp->status_blk_mapping;
cp->irq_arr[0].status_blk_num = sb_id;
cp->num_irq = 1;
}
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 0d8e61c63c7c6..678829646cec3 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -14912,9 +14912,11 @@ void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
else
cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
+ cp->irq_arr[0].status_blk_map = bp->cnic_sb_mapping;
cp->irq_arr[0].status_blk_num = bnx2x_cnic_fw_sb_id(bp);
cp->irq_arr[0].status_blk_num2 = bnx2x_cnic_igu_sb_id(bp);
cp->irq_arr[1].status_blk = bp->def_status_blk;
+ cp->irq_arr[1].status_blk_map = bp->def_status_blk_mapping;
cp->irq_arr[1].status_blk_num = DEF_SB_ID;
cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c
index 7926aaef8f0c5..3d63177e7e52b 100644
--- a/drivers/net/ethernet/broadcom/cnic.c
+++ b/drivers/net/ethernet/broadcom/cnic.c
@@ -1107,10 +1107,11 @@ static int cnic_init_uio(struct cnic_dev *dev)
TX_MAX_TSS_RINGS + 1);
uinfo->mem[1].addr = (unsigned long) cp->status_blk.gen &
CNIC_PAGE_MASK;
+ uinfo->mem[1].dma_addr = cp->status_blk_map;
if (cp->ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX)
- uinfo->mem[1].size = BNX2_SBLK_MSIX_ALIGN_SIZE * 9;
+ uinfo->mem[1].size = PAGE_ALIGN(BNX2_SBLK_MSIX_ALIGN_SIZE * 9);
else
- uinfo->mem[1].size = BNX2_SBLK_MSIX_ALIGN_SIZE;
+ uinfo->mem[1].size = PAGE_ALIGN(BNX2_SBLK_MSIX_ALIGN_SIZE);
uinfo->name = "bnx2_cnic";
} else if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
@@ -1118,20 +1119,26 @@ static int cnic_init_uio(struct cnic_dev *dev)
uinfo->mem[1].addr = (unsigned long) cp->bnx2x_def_status_blk &
CNIC_PAGE_MASK;
- uinfo->mem[1].size = sizeof(*cp->bnx2x_def_status_blk);
+ uinfo->mem[1].dma_addr = cp->status_blk_map;
+ uinfo->mem[1].size = PAGE_ALIGN(sizeof(*cp->bnx2x_def_status_blk));
uinfo->name = "bnx2x_cnic";
}
- uinfo->mem[1].memtype = UIO_MEM_LOGICAL;
+ uinfo->mem[1].dma_device = &dev->pcidev->dev;
+ uinfo->mem[1].memtype = UIO_MEM_DMA_COHERENT;
uinfo->mem[2].addr = (unsigned long) udev->l2_ring;
- uinfo->mem[2].size = udev->l2_ring_size;
- uinfo->mem[2].memtype = UIO_MEM_LOGICAL;
+ uinfo->mem[2].dma_addr = udev->l2_ring_map;
+ uinfo->mem[2].size = PAGE_ALIGN(udev->l2_ring_size);
+ uinfo->mem[2].dma_device = &dev->pcidev->dev;
+ uinfo->mem[2].memtype = UIO_MEM_DMA_COHERENT;
uinfo->mem[3].addr = (unsigned long) udev->l2_buf;
- uinfo->mem[3].size = udev->l2_buf_size;
- uinfo->mem[3].memtype = UIO_MEM_LOGICAL;
+ uinfo->mem[3].dma_addr = udev->l2_buf_map;
+ uinfo->mem[3].size = PAGE_ALIGN(udev->l2_buf_size);
+ uinfo->mem[3].dma_device = &dev->pcidev->dev;
+ uinfo->mem[3].memtype = UIO_MEM_DMA_COHERENT;
uinfo->version = CNIC_MODULE_VERSION;
uinfo->irq = UIO_IRQ_CUSTOM;
@@ -1313,6 +1320,7 @@ static int cnic_alloc_bnx2x_resc(struct cnic_dev *dev)
return 0;
cp->bnx2x_def_status_blk = cp->ethdev->irq_arr[1].status_blk;
+ cp->status_blk_map = cp->ethdev->irq_arr[1].status_blk_map;
cp->l2_rx_ring_size = 15;
@@ -5323,6 +5331,7 @@ static int cnic_start_hw(struct cnic_dev *dev)
pci_dev_get(dev->pcidev);
cp->func = PCI_FUNC(dev->pcidev->devfn);
cp->status_blk.gen = ethdev->irq_arr[0].status_blk;
+ cp->status_blk_map = ethdev->irq_arr[0].status_blk_map;
cp->status_blk_num = ethdev->irq_arr[0].status_blk_num;
err = cp->alloc_resc(dev);
diff --git a/drivers/net/ethernet/broadcom/cnic.h b/drivers/net/ethernet/broadcom/cnic.h
index 4baea81bae7a3..fedc84ada937d 100644
--- a/drivers/net/ethernet/broadcom/cnic.h
+++ b/drivers/net/ethernet/broadcom/cnic.h
@@ -260,6 +260,7 @@ struct cnic_local {
#define SM_RX_ID 0
#define SM_TX_ID 1
} status_blk;
+ dma_addr_t status_blk_map;
struct host_sp_status_block *bnx2x_def_status_blk;
diff --git a/drivers/net/ethernet/broadcom/cnic_if.h b/drivers/net/ethernet/broadcom/cnic_if.h
index 789e5c7e93116..49a11ec80b364 100644
--- a/drivers/net/ethernet/broadcom/cnic_if.h
+++ b/drivers/net/ethernet/broadcom/cnic_if.h
@@ -190,6 +190,7 @@ struct cnic_ops {
struct cnic_irq {
unsigned int vector;
void *status_blk;
+ dma_addr_t status_blk_map;
u32 status_blk_num;
u32 status_blk_num2;
u32 irq_flags;
--
GitLab
From 7722151e4651c973c18df0c18c015edcc7b43b25 Mon Sep 17 00:00:00 2001
From: Chris Leech <cleech@redhat.com>
Date: Thu, 1 Feb 2024 15:33:59 -0800
Subject: [PATCH 1027/2686] uio_pruss: UIO_MEM_DMA_COHERENT conversion
Conversion of this driver to use UIO_MEM_DMA_COHERENT for
dma_alloc_coherent memory instead of UIO_MEM_PHYS.
Signed-off-by: Chris Leech <cleech@redhat.com>
Link: https://lore.kernel.org/r/20240201233400.3394996-4-cleech@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/uio/uio_pruss.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c
index 77e2dc4048855..72b33f7d4c40f 100644
--- a/drivers/uio/uio_pruss.c
+++ b/drivers/uio/uio_pruss.c
@@ -191,9 +191,11 @@ static int pruss_probe(struct platform_device *pdev)
p->mem[1].size = sram_pool_sz;
p->mem[1].memtype = UIO_MEM_PHYS;
- p->mem[2].addr = gdev->ddr_paddr;
+ p->mem[2].addr = (phys_addr_t) gdev->ddr_vaddr;
+ p->mem[2].dma_addr = gdev->ddr_paddr;
p->mem[2].size = extram_pool_sz;
- p->mem[2].memtype = UIO_MEM_PHYS;
+ p->mem[2].memtype = UIO_MEM_DMA_COHERENT;
+ p->mem[2].dma_device = dev;
p->name = devm_kasprintf(dev, GFP_KERNEL, "pruss_evt%d", cnt);
p->version = DRV_VERSION;
--
GitLab
From 019947805a8d703fbb57d607187ff1148bb267ff Mon Sep 17 00:00:00 2001
From: Chris Leech <cleech@redhat.com>
Date: Mon, 5 Feb 2024 12:02:57 -0800
Subject: [PATCH 1028/2686] uio_dmem_genirq: UIO_MEM_DMA_COHERENT conversion
Conversion of this driver to use UIO_MEM_DMA_COHERENT for
dma_alloc_coherent memory instead of UIO_MEM_PHYS.
Signed-off-by: Chris Leech <cleech@redhat.com>
Link: https://lore.kernel.org/r/20240205200257.138376-1-cleech@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/uio/uio_dmem_genirq.c | 22 ++++++++--------------
1 file changed, 8 insertions(+), 14 deletions(-)
diff --git a/drivers/uio/uio_dmem_genirq.c b/drivers/uio/uio_dmem_genirq.c
index 5313307c2754a..d5f9384df1255 100644
--- a/drivers/uio/uio_dmem_genirq.c
+++ b/drivers/uio/uio_dmem_genirq.c
@@ -36,7 +36,6 @@ struct uio_dmem_genirq_platdata {
struct platform_device *pdev;
unsigned int dmem_region_start;
unsigned int num_dmem_regions;
- void *dmem_region_vaddr[MAX_UIO_MAPS];
struct mutex alloc_lock;
unsigned int refcnt;
};
@@ -50,7 +49,6 @@ static int uio_dmem_genirq_open(struct uio_info *info, struct inode *inode)
{
struct uio_dmem_genirq_platdata *priv = info->priv;
struct uio_mem *uiomem;
- int dmem_region = priv->dmem_region_start;
uiomem = &priv->uioinfo->mem[priv->dmem_region_start];
@@ -61,11 +59,8 @@ static int uio_dmem_genirq_open(struct uio_info *info, struct inode *inode)
break;
addr = dma_alloc_coherent(&priv->pdev->dev, uiomem->size,
- (dma_addr_t *)&uiomem->addr, GFP_KERNEL);
- if (!addr) {
- uiomem->addr = DMEM_MAP_ERROR;
- }
- priv->dmem_region_vaddr[dmem_region++] = addr;
+ &uiomem->dma_addr, GFP_KERNEL);
+ uiomem->addr = addr ? (phys_addr_t) addr : DMEM_MAP_ERROR;
++uiomem;
}
priv->refcnt++;
@@ -80,7 +75,6 @@ static int uio_dmem_genirq_release(struct uio_info *info, struct inode *inode)
{
struct uio_dmem_genirq_platdata *priv = info->priv;
struct uio_mem *uiomem;
- int dmem_region = priv->dmem_region_start;
/* Tell the Runtime PM code that the device has become idle */
pm_runtime_put_sync(&priv->pdev->dev);
@@ -93,13 +87,12 @@ static int uio_dmem_genirq_release(struct uio_info *info, struct inode *inode)
while (!priv->refcnt && uiomem < &priv->uioinfo->mem[MAX_UIO_MAPS]) {
if (!uiomem->size)
break;
- if (priv->dmem_region_vaddr[dmem_region]) {
- dma_free_coherent(&priv->pdev->dev, uiomem->size,
- priv->dmem_region_vaddr[dmem_region],
- uiomem->addr);
+ if (uiomem->addr) {
+ dma_free_coherent(uiomem->dma_device, uiomem->size,
+ (void *) uiomem->addr,
+ uiomem->dma_addr);
}
uiomem->addr = DMEM_MAP_ERROR;
- ++dmem_region;
++uiomem;
}
@@ -264,7 +257,8 @@ static int uio_dmem_genirq_probe(struct platform_device *pdev)
" dynamic and fixed memory regions.\n");
break;
}
- uiomem->memtype = UIO_MEM_PHYS;
+ uiomem->memtype = UIO_MEM_DMA_COHERENT;
+ uiomem->dma_device = &pdev->dev;
uiomem->addr = DMEM_MAP_ERROR;
uiomem->size = pdata->dynamic_region_sizes[i];
++uiomem;
--
GitLab
From 822d66c45e793240a9888463127059558bbe9c0d Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Sat, 20 Jan 2024 07:58:46 +0100
Subject: [PATCH 1029/2686] platform-msi: Remove usage of the deprecated
ida_simple_xx() API
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
Note that the upper limit of ida_simple_get() is exclusive, but the one of
ida_alloc_max() is inclusive. So a -1 has been added when needed.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/fd87836efa894aee0ae43e767369c85a2ee7e1ff.1705733916.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/platform-msi.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c
index f37ad34c80ec4..ca48d1f60865b 100644
--- a/drivers/base/platform-msi.c
+++ b/drivers/base/platform-msi.c
@@ -172,8 +172,8 @@ static int platform_msi_alloc_priv_data(struct device *dev, unsigned int nvec,
if (!datap)
return -ENOMEM;
- datap->devid = ida_simple_get(&platform_msi_devid_ida,
- 0, 1 << DEV_ID_SHIFT, GFP_KERNEL);
+ datap->devid = ida_alloc_max(&platform_msi_devid_ida,
+ (1 << DEV_ID_SHIFT) - 1, GFP_KERNEL);
if (datap->devid < 0) {
err = datap->devid;
kfree(datap);
@@ -191,7 +191,7 @@ static void platform_msi_free_priv_data(struct device *dev)
struct platform_msi_priv_data *data = dev->msi.data->platform_data;
dev->msi.data->platform_data = NULL;
- ida_simple_remove(&platform_msi_devid_ida, data->devid);
+ ida_free(&platform_msi_devid_ida, data->devid);
kfree(data);
}
--
GitLab
From 8dde8fa0cc3edce73c050b9882d06c1a575f6402 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Wed, 17 Jan 2024 00:33:07 -0800
Subject: [PATCH 1030/2686] firmware_loader: introduce __free() cleanup hanler
Define cleanup handler using facilities from linux/cleanup.h to simplify
error handling in code using firmware loader. This will allow writing code
like this:
int driver_update_firmware(...)
{
const struct firmware *fw_entry __free(firmware) = NULL;
int error;
...
error = request_firmware(&fw_entry, fw_name, dev);
if (error) {
dev_err(dev, "failed to request firmware %s: %d",
fw_name, error);
return error;
}
error = check_firmware_valid(fw_entry);
if (error)
return error;
guard(mutex)(&instance->lock);
error = use_firmware(instance, fw);
if (error)
return error;
return 0;
}
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Luis Chamberalin <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/ZaeQw7VXhnirX4pQ@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/firmware.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/firmware.h b/include/linux/firmware.h
index 0311858b46cef..f026f8926d792 100644
--- a/include/linux/firmware.h
+++ b/include/linux/firmware.h
@@ -4,6 +4,7 @@
#include <linux/types.h>
#include <linux/compiler.h>
+#include <linux/cleanup.h>
#include <linux/gfp.h>
#define FW_ACTION_NOUEVENT 0
@@ -198,4 +199,6 @@ static inline void firmware_upload_unregister(struct fw_upload *fw_upload)
int firmware_request_cache(struct device *device, const char *name);
+DEFINE_FREE(firmware, struct firmware *, release_firmware(_T))
+
#endif
--
GitLab
From a54c1d1b859a57a99d5cbdce37ac754cbdd9344a Mon Sep 17 00:00:00 2001
From: Rohan Kollambalath <rkollamb@digi.com>
Date: Mon, 12 Feb 2024 08:36:34 +1000
Subject: [PATCH 1031/2686] sysfs:Addresses documentation in sysfs_merge_group
and sysfs_unmerge_group.
These functions take a struct attribute_group as an input which has an
optional .name field. These functions rely on the .name field being
populated and do not check if its null. They pass this name into other
functions, eventually leading to a null pointer dereference.
This change simply updates the documentation of the function to make
this requirement clear.
Signed-off-by: Rohan Kollambalath <rkollamb@digi.com>
Link: https://lore.kernel.org/r/20240211223634.2103665-1-rohankollambalath@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/sysfs/group.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c
index 8c63ba3cfc474..d22ad67a0f329 100644
--- a/fs/sysfs/group.c
+++ b/fs/sysfs/group.c
@@ -345,13 +345,13 @@ void sysfs_remove_groups(struct kobject *kobj,
EXPORT_SYMBOL_GPL(sysfs_remove_groups);
/**
- * sysfs_merge_group - merge files into a pre-existing attribute group.
+ * sysfs_merge_group - merge files into a pre-existing named attribute group.
* @kobj: The kobject containing the group.
* @grp: The files to create and the attribute group they belong to.
*
- * This function returns an error if the group doesn't exist or any of the
- * files already exist in that group, in which case none of the new files
- * are created.
+ * This function returns an error if the group doesn't exist, the .name field is
+ * NULL or any of the files already exist in that group, in which case none of
+ * the new files are created.
*/
int sysfs_merge_group(struct kobject *kobj,
const struct attribute_group *grp)
@@ -383,7 +383,7 @@ int sysfs_merge_group(struct kobject *kobj,
EXPORT_SYMBOL_GPL(sysfs_merge_group);
/**
- * sysfs_unmerge_group - remove files from a pre-existing attribute group.
+ * sysfs_unmerge_group - remove files from a pre-existing named attribute group.
* @kobj: The kobject containing the group.
* @grp: The files to remove and the attribute group they belong to.
*/
--
GitLab
From 1fe6e4f0b0c47e70735066e889f97c3c6e1e79b2 Mon Sep 17 00:00:00 2001
From: Mukesh Ojha <quic_mojha@quicinc.com>
Date: Mon, 19 Feb 2024 22:09:54 +0530
Subject: [PATCH 1032/2686] firmware_loader: Suppress warning on FW_OPT_NO_WARN
flag
Some of the warnings are still being printed even if FW_OPT_NO_WARN
is passed for some of the function e.g., firmware_request_nowarn().
Fix it by adding a check for FW_OPT_NO_WARN before printing the warning.
Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20240219163954.7719-1-quic_mojha@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/firmware_loader/main.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c
index ea28102d421eb..da8ca01d011c3 100644
--- a/drivers/base/firmware_loader/main.c
+++ b/drivers/base/firmware_loader/main.c
@@ -551,12 +551,16 @@ fw_get_filesystem_firmware(struct device *device, struct fw_priv *fw_priv,
file_size_ptr,
READING_FIRMWARE);
if (rc < 0) {
- if (rc != -ENOENT)
- dev_warn(device, "loading %s failed with error %d\n",
- path, rc);
- else
- dev_dbg(device, "loading %s failed for no such file or directory.\n",
- path);
+ if (!(fw_priv->opt_flags & FW_OPT_NO_WARN)) {
+ if (rc != -ENOENT)
+ dev_warn(device,
+ "loading %s failed with error %d\n",
+ path, rc);
+ else
+ dev_dbg(device,
+ "loading %s failed for no such file or directory.\n",
+ path);
+ }
continue;
}
size = rc;
--
GitLab
From bbf6cfba49a117c502ec5df66d3ab3b485c113f8 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Fri, 1 Mar 2024 20:00:05 +0200
Subject: [PATCH 1033/2686] driver core: Drop unneeded 'extern' keyword in
fwnode.h
We do not use 'extern' keyword with functions. Remove the last one
mistakenly added to fwnode.h.
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Saravana Kannan <saravanak@google.com>
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240301180138.271590-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/fwnode.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index 2a72f55d26eb8..2d23a14857c75 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -209,9 +209,9 @@ static inline void fwnode_dev_initialized(struct fwnode_handle *fwnode,
fwnode->flags &= ~FWNODE_FLAG_INITIALIZED;
}
-extern bool fw_devlink_is_strict(void);
int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup);
void fwnode_links_purge(struct fwnode_handle *fwnode);
void fw_devlink_purge_absent_suppliers(struct fwnode_handle *fwnode);
+bool fw_devlink_is_strict(void);
#endif
--
GitLab
From 1c4002aeab3c81afa8a00ae76b1ea38d066e9978 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Fri, 1 Mar 2024 20:00:06 +0200
Subject: [PATCH 1034/2686] driver core: Move fw_devlink stuff to where it
belongs
A few APIs, i.e. fwnode_is_ancestor_of(), fwnode_get_next_parent_dev(),
and get_dev_from_fwnode(), that belong specifically to the fw_devlink APIs,
may be static, but they are not.
Resolve this mess by moving them to the driver/base/core where the all
users are being resided and make static.
No functional changes intended.
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240301180138.271590-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/core.c | 58 ++++++++++++++++++++++++++++++++++++++++
drivers/base/property.c | 56 --------------------------------------
include/linux/fwnode.h | 1 -
include/linux/property.h | 2 --
4 files changed, 58 insertions(+), 59 deletions(-)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 9828da9b933cb..35ccd8bb2c9b6 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1871,6 +1871,7 @@ static void fw_devlink_unblock_consumers(struct device *dev)
device_links_write_unlock();
}
+#define get_dev_from_fwnode(fwnode) get_device((fwnode)->dev)
static bool fwnode_init_without_drv(struct fwnode_handle *fwnode)
{
@@ -1901,6 +1902,63 @@ static bool fwnode_ancestor_init_without_drv(struct fwnode_handle *fwnode)
return false;
}
+/**
+ * fwnode_is_ancestor_of - Test if @ancestor is ancestor of @child
+ * @ancestor: Firmware which is tested for being an ancestor
+ * @child: Firmware which is tested for being the child
+ *
+ * A node is considered an ancestor of itself too.
+ *
+ * Return: true if @ancestor is an ancestor of @child. Otherwise, returns false.
+ */
+static bool fwnode_is_ancestor_of(const struct fwnode_handle *ancestor,
+ const struct fwnode_handle *child)
+{
+ struct fwnode_handle *parent;
+
+ if (IS_ERR_OR_NULL(ancestor))
+ return false;
+
+ if (child == ancestor)
+ return true;
+
+ fwnode_for_each_parent_node(child, parent) {
+ if (parent == ancestor) {
+ fwnode_handle_put(parent);
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * fwnode_get_next_parent_dev - Find device of closest ancestor fwnode
+ * @fwnode: firmware node
+ *
+ * Given a firmware node (@fwnode), this function finds its closest ancestor
+ * firmware node that has a corresponding struct device and returns that struct
+ * device.
+ *
+ * The caller is responsible for calling put_device() on the returned device
+ * pointer.
+ *
+ * Return: a pointer to the device of the @fwnode's closest ancestor.
+ */
+static struct device *fwnode_get_next_parent_dev(const struct fwnode_handle *fwnode)
+{
+ struct fwnode_handle *parent;
+ struct device *dev;
+
+ fwnode_for_each_parent_node(fwnode, parent) {
+ dev = get_dev_from_fwnode(parent);
+ if (dev) {
+ fwnode_handle_put(parent);
+ return dev;
+ }
+ }
+ return NULL;
+}
+
/**
* __fw_devlink_relax_cycles - Relax and mark dependency cycles.
* @con: Potential consumer device.
diff --git a/drivers/base/property.c b/drivers/base/property.c
index a1b01ab420528..afa1bf2b3c5a3 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -699,34 +699,6 @@ struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode)
}
EXPORT_SYMBOL_GPL(fwnode_get_next_parent);
-/**
- * fwnode_get_next_parent_dev - Find device of closest ancestor fwnode
- * @fwnode: firmware node
- *
- * Given a firmware node (@fwnode), this function finds its closest ancestor
- * firmware node that has a corresponding struct device and returns that struct
- * device.
- *
- * The caller is responsible for calling put_device() on the returned device
- * pointer.
- *
- * Return: a pointer to the device of the @fwnode's closest ancestor.
- */
-struct device *fwnode_get_next_parent_dev(const struct fwnode_handle *fwnode)
-{
- struct fwnode_handle *parent;
- struct device *dev;
-
- fwnode_for_each_parent_node(fwnode, parent) {
- dev = get_dev_from_fwnode(parent);
- if (dev) {
- fwnode_handle_put(parent);
- return dev;
- }
- }
- return NULL;
-}
-
/**
* fwnode_count_parents - Return the number of parents a node has
* @fwnode: The node the parents of which are to be counted
@@ -773,34 +745,6 @@ struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwnode,
}
EXPORT_SYMBOL_GPL(fwnode_get_nth_parent);
-/**
- * fwnode_is_ancestor_of - Test if @ancestor is ancestor of @child
- * @ancestor: Firmware which is tested for being an ancestor
- * @child: Firmware which is tested for being the child
- *
- * A node is considered an ancestor of itself too.
- *
- * Return: true if @ancestor is an ancestor of @child. Otherwise, returns false.
- */
-bool fwnode_is_ancestor_of(const struct fwnode_handle *ancestor, const struct fwnode_handle *child)
-{
- struct fwnode_handle *parent;
-
- if (IS_ERR_OR_NULL(ancestor))
- return false;
-
- if (child == ancestor)
- return true;
-
- fwnode_for_each_parent_node(child, parent) {
- if (parent == ancestor) {
- fwnode_handle_put(parent);
- return true;
- }
- }
- return false;
-}
-
/**
* fwnode_get_next_child_node - Return the next child node handle for a node
* @fwnode: Firmware node to find the next child node for.
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index 2d23a14857c75..416cbe72f0c7a 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -187,7 +187,6 @@ struct fwnode_operations {
if (fwnode_has_op(fwnode, op)) \
(fwnode)->ops->op(fwnode, ## __VA_ARGS__); \
} while (false)
-#define get_dev_from_fwnode(fwnode) get_device((fwnode)->dev)
static inline void fwnode_init(struct fwnode_handle *fwnode,
const struct fwnode_operations *ops)
diff --git a/include/linux/property.h b/include/linux/property.h
index e6516d0b7d52a..284ff79ebf03d 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -156,11 +156,9 @@ struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode);
for (parent = fwnode_get_parent(fwnode); parent; \
parent = fwnode_get_next_parent(parent))
-struct device *fwnode_get_next_parent_dev(const struct fwnode_handle *fwnode);
unsigned int fwnode_count_parents(const struct fwnode_handle *fwn);
struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwn,
unsigned int depth);
-bool fwnode_is_ancestor_of(const struct fwnode_handle *ancestor, const struct fwnode_handle *child);
struct fwnode_handle *fwnode_get_next_child_node(
const struct fwnode_handle *fwnode, struct fwnode_handle *child);
struct fwnode_handle *fwnode_get_next_available_child_node(
--
GitLab
From 420b104dd116cddd1615588a400b557bf4e436b4 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Fri, 1 Mar 2024 20:00:07 +0200
Subject: [PATCH 1035/2686] device property: Move enum dev_dma_attr to fwnode.h
The struct fwnode_operations defines one of the callback to return
enum dev_dma_attr. But this currently is defined in property.h.
Move it to the correct location.
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240301180138.271590-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/fwnode.h | 6 ++++++
include/linux/property.h | 6 ------
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index 416cbe72f0c7a..4228c45d5ccc3 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -14,6 +14,12 @@
#include <linux/bits.h>
#include <linux/err.h>
+enum dev_dma_attr {
+ DEV_DMA_NOT_SUPPORTED,
+ DEV_DMA_NON_COHERENT,
+ DEV_DMA_COHERENT,
+};
+
struct fwnode_operations;
struct device;
diff --git a/include/linux/property.h b/include/linux/property.h
index 284ff79ebf03d..1f0135e24d00b 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -27,12 +27,6 @@ enum dev_prop_type {
DEV_PROP_REF,
};
-enum dev_dma_attr {
- DEV_DMA_NOT_SUPPORTED,
- DEV_DMA_NON_COHERENT,
- DEV_DMA_COHERENT,
-};
-
const struct fwnode_handle *__dev_fwnode_const(const struct device *dev);
struct fwnode_handle *__dev_fwnode(struct device *dev);
#define dev_fwnode(dev) \
--
GitLab
From 4dc3d612ee5c3be2a4d1a73ab31bcfaaa850aa19 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Fri, 1 Mar 2024 20:00:08 +0200
Subject: [PATCH 1036/2686] device property: Don't use "proxy" headers
Update header inclusions to follow IWYU (Include What You Use)
principle.
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240301180138.271590-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/property.c | 11 ++++++-----
drivers/base/swnode.c | 13 ++++++++++++-
include/linux/fwnode.h | 4 ++--
include/linux/property.h | 1 +
4 files changed, 21 insertions(+), 8 deletions(-)
diff --git a/drivers/base/property.c b/drivers/base/property.c
index afa1bf2b3c5a3..7324a704a9a11 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -7,15 +7,16 @@
* Mika Westerberg <mika.westerberg@linux.intel.com>
*/
-#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/err.h>
#include <linux/export.h>
-#include <linux/kernel.h>
+#include <linux/kconfig.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_graph.h>
-#include <linux/of_irq.h>
#include <linux/property.h>
#include <linux/phy.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/types.h>
struct fwnode_handle *__dev_fwnode(struct device *dev)
{
diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index 36512fb75a201..eb6eb25b343ba 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -6,10 +6,21 @@
* Author: Heikki Krogerus <heikki.krogerus@linux.intel.com>
*/
+#include <linux/container_of.h>
#include <linux/device.h>
-#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/export.h>
+#include <linux/idr.h>
+#include <linux/init.h>
+#include <linux/kobject.h>
+#include <linux/kstrtox.h>
+#include <linux/list.h>
#include <linux/property.h>
#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/string.h>
+#include <linux/sysfs.h>
+#include <linux/types.h>
#include "base.h"
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index 4228c45d5ccc3..80f3cd91b4711 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -9,10 +9,10 @@
#ifndef _LINUX_FWNODE_H_
#define _LINUX_FWNODE_H_
-#include <linux/types.h>
-#include <linux/list.h>
#include <linux/bits.h>
#include <linux/err.h>
+#include <linux/list.h>
+#include <linux/types.h>
enum dev_dma_attr {
DEV_DMA_NOT_SUPPORTED,
diff --git a/include/linux/property.h b/include/linux/property.h
index 1f0135e24d00b..3a1045eb786c4 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -11,6 +11,7 @@
#define _LINUX_PROPERTY_H_
#include <linux/args.h>
+#include <linux/array_size.h>
#include <linux/bits.h>
#include <linux/fwnode.h>
#include <linux/stddef.h>
--
GitLab
From 952c3fce297f12c7ff59380adb66b564e2bc9b64 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Thu, 29 Feb 2024 15:36:20 +0100
Subject: [PATCH 1037/2686] debugfs: fix wait/cancellation handling during
remove
Ben Greear further reports deadlocks during concurrent debugfs
remove while files are being accessed, even though the code in
question now uses debugfs cancellations. Turns out that despite
all the review on the locking, we missed completely that the
logic is wrong: if the refcount hits zero we can finish (and
need not wait for the completion), but if it doesn't we have
to trigger all the cancellations. As written, we can _never_
get into the loop triggering the cancellations. Fix this, and
explain it better while at it.
Cc: stable@vger.kernel.org
Fixes: 8c88a474357e ("debugfs: add API to allow debugfs operations cancellation")
Reported-by: Ben Greear <greearb@candelatech.com>
Closes: https://lore.kernel.org/r/1c9fa9e5-09f1-0522-fdbc-dbcef4d255ca@candelatech.com
Tested-by: Madhan Sai <madhan.singaraju@candelatech.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20240229153635.6bfab7eb34d3.I6c7aeff8c9d6628a8bc1ddcf332205a49d801f17@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/debugfs/inode.c | 25 ++++++++++++++++++++-----
1 file changed, 20 insertions(+), 5 deletions(-)
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 034a617cb1a5e..a40da00654336 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -751,13 +751,28 @@ static void __debugfs_file_removed(struct dentry *dentry)
if ((unsigned long)fsd & DEBUGFS_FSDATA_IS_REAL_FOPS_BIT)
return;
- /* if we hit zero, just wait for all to finish */
- if (!refcount_dec_and_test(&fsd->active_users)) {
- wait_for_completion(&fsd->active_users_drained);
+ /* if this was the last reference, we're done */
+ if (refcount_dec_and_test(&fsd->active_users))
return;
- }
- /* if we didn't hit zero, try to cancel any we can */
+ /*
+ * If there's still a reference, the code that obtained it can
+ * be in different states:
+ * - The common case of not using cancellations, or already
+ * after debugfs_leave_cancellation(), where we just need
+ * to wait for debugfs_file_put() which signals the completion;
+ * - inside a cancellation section, i.e. between
+ * debugfs_enter_cancellation() and debugfs_leave_cancellation(),
+ * in which case we need to trigger the ->cancel() function,
+ * and then wait for debugfs_file_put() just like in the
+ * previous case;
+ * - before debugfs_enter_cancellation() (but obviously after
+ * debugfs_file_get()), in which case we may not see the
+ * cancellation in the list on the first round of the loop,
+ * but debugfs_enter_cancellation() signals the completion
+ * after adding it, so this code gets woken up to call the
+ * ->cancel() function.
+ */
while (refcount_read(&fsd->active_users)) {
struct debugfs_cancellation *c;
--
GitLab
From 75cde56a5b504d07a64ce0e3f8c7410df70308a3 Mon Sep 17 00:00:00 2001
From: Saravana Kannan <saravanak@google.com>
Date: Mon, 4 Mar 2024 21:04:54 -0800
Subject: [PATCH 1038/2686] driver core: Adds flags param to fwnode_link_add()
Allow the callers to set fwnode link flags when adding fwnode links.
Signed-off-by: Saravana Kannan <saravanak@google.com>
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240305050458.1400667-2-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/core.c | 5 +++--
drivers/firmware/efi/sysfb_efi.c | 2 +-
drivers/of/property.c | 2 +-
include/linux/fwnode.h | 3 ++-
4 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 35ccd8bb2c9b6..83a6f429bddb6 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -92,12 +92,13 @@ static int __fwnode_link_add(struct fwnode_handle *con,
return 0;
}
-int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup)
+int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup,
+ u8 flags)
{
int ret;
mutex_lock(&fwnode_link_lock);
- ret = __fwnode_link_add(con, sup, 0);
+ ret = __fwnode_link_add(con, sup, flags);
mutex_unlock(&fwnode_link_lock);
return ret;
}
diff --git a/drivers/firmware/efi/sysfb_efi.c b/drivers/firmware/efi/sysfb_efi.c
index 456d0e5eaf78b..cc807ed35aedf 100644
--- a/drivers/firmware/efi/sysfb_efi.c
+++ b/drivers/firmware/efi/sysfb_efi.c
@@ -336,7 +336,7 @@ static int efifb_add_links(struct fwnode_handle *fwnode)
if (!sup_np)
return 0;
- fwnode_link_add(fwnode, of_fwnode_handle(sup_np));
+ fwnode_link_add(fwnode, of_fwnode_handle(sup_np), 0);
of_node_put(sup_np);
return 0;
diff --git a/drivers/of/property.c b/drivers/of/property.c
index b71267c6667cf..bce849f21ae22 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1085,7 +1085,7 @@ static void of_link_to_phandle(struct device_node *con_np,
tmp_np = of_get_next_parent(tmp_np);
}
- fwnode_link_add(of_fwnode_handle(con_np), of_fwnode_handle(sup_np));
+ fwnode_link_add(of_fwnode_handle(con_np), of_fwnode_handle(sup_np), 0);
}
/**
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index 80f3cd91b4711..70d9c40269b9a 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -214,7 +214,8 @@ static inline void fwnode_dev_initialized(struct fwnode_handle *fwnode,
fwnode->flags &= ~FWNODE_FLAG_INITIALIZED;
}
-int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup);
+int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup,
+ u8 flags);
void fwnode_links_purge(struct fwnode_handle *fwnode);
void fw_devlink_purge_absent_suppliers(struct fwnode_handle *fwnode);
bool fw_devlink_is_strict(void);
--
GitLab
From b7e1241d8f77ed64404a5e4450f43a319310fc91 Mon Sep 17 00:00:00 2001
From: Saravana Kannan <saravanak@google.com>
Date: Mon, 4 Mar 2024 21:04:55 -0800
Subject: [PATCH 1039/2686] driver core: Add FWLINK_FLAG_IGNORE to completely
ignore a fwnode link
A fwnode link between specific supplier-consumer fwnodes can be added
multiple times for multiple reasons. If that dependency doesn't exist,
deleting the fwnode link once doesn't guarantee that it won't get created
again.
So, add FWLINK_FLAG_IGNORE flag to mark a fwnode link as one that needs to
be completely ignored. Since a fwnode link's flags is an OR of all the
flags passed to all the fwnode_link_add() calls to create that specific
fwnode link, the FWLINK_FLAG_IGNORE flag is preserved and can be used to
mark a fwnode link as on that need to be completely ignored until it is
deleted.
Signed-off-by: Saravana Kannan <saravanak@google.com>
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240305050458.1400667-3-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/core.c | 9 ++++++++-
include/linux/fwnode.h | 2 ++
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 83a6f429bddb6..b93f3c5716aee 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1012,7 +1012,8 @@ static struct fwnode_handle *fwnode_links_check_suppliers(
return NULL;
list_for_each_entry(link, &fwnode->suppliers, c_hook)
- if (!(link->flags & FWLINK_FLAG_CYCLE))
+ if (!(link->flags &
+ (FWLINK_FLAG_CYCLE | FWLINK_FLAG_IGNORE)))
return link->supplier;
return NULL;
@@ -2021,6 +2022,9 @@ static bool __fw_devlink_relax_cycles(struct device *con,
}
list_for_each_entry(link, &sup_handle->suppliers, c_hook) {
+ if (link->flags & FWLINK_FLAG_IGNORE)
+ continue;
+
if (__fw_devlink_relax_cycles(con, link->supplier)) {
__fwnode_link_cycle(link);
ret = true;
@@ -2099,6 +2103,9 @@ static int fw_devlink_create_devlink(struct device *con,
int ret = 0;
u32 flags;
+ if (link->flags & FWLINK_FLAG_IGNORE)
+ return 0;
+
if (con->fwnode == link->consumer)
flags = fw_devlink_get_flags(link->flags);
else
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index 70d9c40269b9a..0d79070c5a70f 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -59,8 +59,10 @@ struct fwnode_handle {
* fwnode link flags
*
* CYCLE: The fwnode link is part of a cycle. Don't defer probe.
+ * IGNORE: Completely ignore this link, even during cycle detection.
*/
#define FWLINK_FLAG_CYCLE BIT(0)
+#define FWLINK_FLAG_IGNORE BIT(1)
struct fwnode_link {
struct fwnode_handle *supplier;
--
GitLab
From 135116f3d01402b610e00dd54f3b059a3faf35de Mon Sep 17 00:00:00 2001
From: Saravana Kannan <saravanak@google.com>
Date: Mon, 4 Mar 2024 21:04:56 -0800
Subject: [PATCH 1040/2686] of: property: fw_devlink: Add support for
"post-init-providers" property
Add support for this property so that dependency cycles can be broken and
fw_devlink can do better probe/suspend/resume ordering between devices in a
dependency cycle.
Signed-off-by: Saravana Kannan <saravanak@google.com>
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240305050458.1400667-4-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/of/property.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/of/property.c b/drivers/of/property.c
index bce849f21ae22..b517a92dabca8 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1066,7 +1066,8 @@ of_fwnode_device_get_match_data(const struct fwnode_handle *fwnode,
}
static void of_link_to_phandle(struct device_node *con_np,
- struct device_node *sup_np)
+ struct device_node *sup_np,
+ u8 flags)
{
struct device_node *tmp_np = of_node_get(sup_np);
@@ -1085,7 +1086,7 @@ static void of_link_to_phandle(struct device_node *con_np,
tmp_np = of_get_next_parent(tmp_np);
}
- fwnode_link_add(of_fwnode_handle(con_np), of_fwnode_handle(sup_np), 0);
+ fwnode_link_add(of_fwnode_handle(con_np), of_fwnode_handle(sup_np), flags);
}
/**
@@ -1198,6 +1199,8 @@ static struct device_node *parse_##fname(struct device_node *np, \
* to a struct device, implement this ops so fw_devlink can use it
* to find the true consumer.
* @optional: Describes whether a supplier is mandatory or not
+ * @fwlink_flags: Optional fwnode link flags to use when creating a fwnode link
+ * for this property.
*
* Returns:
* parse_prop() return values are
@@ -1210,6 +1213,7 @@ struct supplier_bindings {
const char *prop_name, int index);
struct device_node *(*get_con_dev)(struct device_node *np);
bool optional;
+ u8 fwlink_flags;
};
DEFINE_SIMPLE_PROP(clocks, "clocks", "#clock-cells")
@@ -1240,6 +1244,7 @@ DEFINE_SIMPLE_PROP(leds, "leds", NULL)
DEFINE_SIMPLE_PROP(backlight, "backlight", NULL)
DEFINE_SIMPLE_PROP(panel, "panel", NULL)
DEFINE_SIMPLE_PROP(msi_parent, "msi-parent", "#msi-cells")
+DEFINE_SIMPLE_PROP(post_init_providers, "post-init-providers", NULL)
DEFINE_SUFFIX_PROP(regulators, "-supply", NULL)
DEFINE_SUFFIX_PROP(gpio, "-gpio", "#gpio-cells")
@@ -1349,6 +1354,10 @@ static const struct supplier_bindings of_supplier_bindings[] = {
{ .parse_prop = parse_regulators, },
{ .parse_prop = parse_gpio, },
{ .parse_prop = parse_gpios, },
+ {
+ .parse_prop = parse_post_init_providers,
+ .fwlink_flags = FWLINK_FLAG_IGNORE,
+ },
{}
};
@@ -1393,7 +1402,7 @@ static int of_link_property(struct device_node *con_np, const char *prop_name)
: of_node_get(con_np);
matched = true;
i++;
- of_link_to_phandle(con_dev_np, phandle);
+ of_link_to_phandle(con_dev_np, phandle, s->fwlink_flags);
of_node_put(phandle);
of_node_put(con_dev_np);
}
--
GitLab
From 32de4b4f9dfa67917d2cc824a195498513ec8e8d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?=
<nfraprado@collabora.com>
Date: Tue, 5 Mar 2024 17:21:36 -0500
Subject: [PATCH 1041/2686] driver: core: Log probe failure as error and with
device metadata
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Drivers can return -ENODEV or -ENXIO from their probe to reject a device
match, and return -EPROBE_DEFER if probe should be retried. Any other
error code is not expected during normal behavior and indicates an
issue occurred, so it should be logged at the error level.
Also make use of the device variant, dev_err(), so that the device
metadata is attached to the log message.
Signed-off-by: "NÃcolas F. R. A. Prado" <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20240305-device-probe-error-v1-1-a06d8722bf19@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/dd.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 85152537dbf12..0b7cf4516796a 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -592,8 +592,8 @@ static int call_driver_probe(struct device *dev, struct device_driver *drv)
break;
default:
/* driver matched but the probe failed */
- pr_warn("%s: probe of %s failed with error %d\n",
- drv->name, dev_name(dev), ret);
+ dev_err(dev, "probe with driver %s failed with error %d\n",
+ drv->name, ret);
break;
}
--
GitLab
From 448af2d28899a2b4b1b07944b4910dfd5841bf55 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?=
<nfraprado@collabora.com>
Date: Tue, 5 Mar 2024 17:21:37 -0500
Subject: [PATCH 1042/2686] driver: core: Use dev_* instead of pr_* so device
metadata is added
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Use the dev_* instead of the pr_* functions to log the status of device
probe so that the log message gets the device metadata attached to it.
Signed-off-by: "NÃcolas F. R. A. Prado" <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20240305-device-probe-error-v1-2-a06d8722bf19@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/dd.c | 26 ++++++++++++--------------
1 file changed, 12 insertions(+), 14 deletions(-)
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 0b7cf4516796a..d6e7933e2521e 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -397,13 +397,12 @@ bool device_is_bound(struct device *dev)
static void driver_bound(struct device *dev)
{
if (device_is_bound(dev)) {
- pr_warn("%s: device %s already bound\n",
- __func__, kobject_name(&dev->kobj));
+ dev_warn(dev, "%s: device already bound\n", __func__);
return;
}
- pr_debug("driver: '%s': %s: bound to device '%s'\n", dev->driver->name,
- __func__, dev_name(dev));
+ dev_dbg(dev, "driver: '%s': %s: bound to device\n", dev->driver->name,
+ __func__);
klist_add_tail(&dev->p->knode_driver, &dev->driver->p->klist_devices);
device_links_driver_bound(dev);
@@ -587,8 +586,8 @@ static int call_driver_probe(struct device *dev, struct device_driver *drv)
break;
case -ENODEV:
case -ENXIO:
- pr_debug("%s: probe of %s rejects match %d\n",
- drv->name, dev_name(dev), ret);
+ dev_dbg(dev, "probe with driver %s rejects match %d\n",
+ drv->name, ret);
break;
default:
/* driver matched but the probe failed */
@@ -620,8 +619,8 @@ static int really_probe(struct device *dev, struct device_driver *drv)
if (link_ret == -EPROBE_DEFER)
return link_ret;
- pr_debug("bus: '%s': %s: probing driver %s with device %s\n",
- drv->bus->name, __func__, drv->name, dev_name(dev));
+ dev_dbg(dev, "bus: '%s': %s: probing driver %s with device\n",
+ drv->bus->name, __func__, drv->name);
if (!list_empty(&dev->devres_head)) {
dev_crit(dev, "Resources present before probing\n");
ret = -EBUSY;
@@ -644,8 +643,7 @@ static int really_probe(struct device *dev, struct device_driver *drv)
ret = driver_sysfs_add(dev);
if (ret) {
- pr_err("%s: driver_sysfs_add(%s) failed\n",
- __func__, dev_name(dev));
+ dev_err(dev, "%s: driver_sysfs_add failed\n", __func__);
goto sysfs_failed;
}
@@ -706,8 +704,8 @@ static int really_probe(struct device *dev, struct device_driver *drv)
dev->pm_domain->sync(dev);
driver_bound(dev);
- pr_debug("bus: '%s': %s: bound device %s to driver %s\n",
- drv->bus->name, __func__, dev_name(dev), drv->name);
+ dev_dbg(dev, "bus: '%s': %s: bound device to driver %s\n",
+ drv->bus->name, __func__, drv->name);
goto done;
dev_sysfs_state_synced_failed:
@@ -786,8 +784,8 @@ static int __driver_probe_device(struct device_driver *drv, struct device *dev)
return -EBUSY;
dev->can_match = true;
- pr_debug("bus: '%s': %s: matched device %s with driver %s\n",
- drv->bus->name, __func__, dev_name(dev), drv->name);
+ dev_dbg(dev, "bus: '%s': %s: matched device with driver %s\n",
+ drv->bus->name, __func__, drv->name);
pm_runtime_get_suppliers(dev);
if (dev->parent)
--
GitLab
From 6aeb8850e0f39869d43768603a75c0431562a429 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?=
<nfraprado@collabora.com>
Date: Tue, 5 Mar 2024 17:21:38 -0500
Subject: [PATCH 1043/2686] device: core: Log warning for devices pending
deferred probe on timeout
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Once the deferred probe timeout has elapsed it is very likely that the
devices that are still deferring probe won't ever be probed. Therefore
log the defer probe pending reason at the warning level instead to bring
attention to the issue.
Signed-off-by: "NÃcolas F. R. A. Prado" <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20240305-device-probe-error-v1-3-a06d8722bf19@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/dd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index d6e7933e2521e..83d352394fdf4 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -313,7 +313,7 @@ static void deferred_probe_timeout_work_func(struct work_struct *work)
mutex_lock(&deferred_probe_mutex);
list_for_each_entry(p, &deferred_probe_pending_list, deferred_probe)
- dev_info(p->device, "deferred probe pending: %s", p->deferred_probe_reason ?: "(reason unknown)\n");
+ dev_warn(p->device, "deferred probe pending: %s", p->deferred_probe_reason ?: "(reason unknown)\n");
mutex_unlock(&deferred_probe_mutex);
fw_devlink_probing_done();
--
GitLab
From 367b3560e10bbae3660d8ba4d0a7cc92170d8398 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@intel.com>
Date: Thu, 7 Mar 2024 22:15:05 +0000
Subject: [PATCH 1044/2686] binder: remove redundant variable page_addr
Variable page_addr is being assigned a value that is never read. The
variable is redundant and can be removed.
Cleans up clang scan build warning:
warning: Value stored to 'page_addr' is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@intel.com>
Fixes: 162c79731448 ("binder: avoid user addresses in debug logs")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312060851.cudv98wG-lkp@intel.com/
Acked-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20240307221505.101431-1-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/android/binder_alloc.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c
index e0e4dc38b6920..2e1f261ec5c89 100644
--- a/drivers/android/binder_alloc.c
+++ b/drivers/android/binder_alloc.c
@@ -925,7 +925,6 @@ void binder_alloc_deferred_release(struct binder_alloc *alloc)
int i;
for (i = 0; i < alloc->buffer_size / PAGE_SIZE; i++) {
- unsigned long page_addr;
bool on_lru;
if (!alloc->pages[i].page_ptr)
@@ -933,7 +932,6 @@ void binder_alloc_deferred_release(struct binder_alloc *alloc)
on_lru = list_lru_del_obj(&binder_freelist,
&alloc->pages[i].lru);
- page_addr = alloc->buffer + i * PAGE_SIZE;
binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC,
"%s: %d: page %d %s\n",
__func__, alloc->pid, i,
--
GitLab
From 95f37eb52e18879a1b16e51b972d992b39e50a81 Mon Sep 17 00:00:00 2001
From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Fri, 23 Feb 2024 20:14:35 +0200
Subject: [PATCH 1045/2686] ARM: OMAP2+: fix bogus MMC GPIO labels on Nokia
N8x0
The GPIO bank width is 32 on OMAP2, so all labels are incorrect.
Fixes: e519f0bb64ef ("ARM/mmc: Convert old mmci-omap to GPIO descriptors")
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Message-ID: <20240223181439.1099750-2-aaro.koskinen@iki.fi>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/board-n8x0.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index 31755a378c736..3e48f34016c19 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -144,8 +144,7 @@ static struct gpiod_lookup_table nokia8xx_mmc_gpio_table = {
.dev_id = "mmci-omap.0",
.table = {
/* Slot switch, GPIO 96 */
- GPIO_LOOKUP("gpio-80-111", 16,
- "switch", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("gpio-96-127", 0, "switch", GPIO_ACTIVE_HIGH),
{ }
},
};
@@ -154,11 +153,9 @@ static struct gpiod_lookup_table nokia810_mmc_gpio_table = {
.dev_id = "mmci-omap.0",
.table = {
/* Slot index 1, VSD power, GPIO 23 */
- GPIO_LOOKUP_IDX("gpio-16-31", 7,
- "vsd", 1, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP_IDX("gpio-0-31", 23, "vsd", 1, GPIO_ACTIVE_HIGH),
/* Slot index 1, VIO power, GPIO 9 */
- GPIO_LOOKUP_IDX("gpio-0-15", 9,
- "vio", 1, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP_IDX("gpio-0-31", 9, "vio", 1, GPIO_ACTIVE_HIGH),
{ }
},
};
--
GitLab
From 480d44d0820dd5ae043dc97c0b46dabbe53cb1cf Mon Sep 17 00:00:00 2001
From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Fri, 23 Feb 2024 20:14:36 +0200
Subject: [PATCH 1046/2686] ARM: OMAP2+: fix N810 MMC gpiod table
Trying to append a second table for the same dev_id doesn't seem to work.
The second table is just silently ignored. As a result eMMC GPIOs are not
present.
Fix by using separate tables for N800 and N810.
Fixes: e519f0bb64ef ("ARM/mmc: Convert old mmci-omap to GPIO descriptors")
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Message-ID: <20240223181439.1099750-3-aaro.koskinen@iki.fi>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/board-n8x0.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index 3e48f34016c19..c933a91751e4f 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -140,7 +140,7 @@ static int slot1_cover_open;
static int slot2_cover_open;
static struct device *mmc_device;
-static struct gpiod_lookup_table nokia8xx_mmc_gpio_table = {
+static struct gpiod_lookup_table nokia800_mmc_gpio_table = {
.dev_id = "mmci-omap.0",
.table = {
/* Slot switch, GPIO 96 */
@@ -152,6 +152,8 @@ static struct gpiod_lookup_table nokia8xx_mmc_gpio_table = {
static struct gpiod_lookup_table nokia810_mmc_gpio_table = {
.dev_id = "mmci-omap.0",
.table = {
+ /* Slot switch, GPIO 96 */
+ GPIO_LOOKUP("gpio-96-127", 0, "switch", GPIO_ACTIVE_HIGH),
/* Slot index 1, VSD power, GPIO 23 */
GPIO_LOOKUP_IDX("gpio-0-31", 23, "vsd", 1, GPIO_ACTIVE_HIGH),
/* Slot index 1, VIO power, GPIO 9 */
@@ -412,8 +414,6 @@ static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
static void __init n8x0_mmc_init(void)
{
- gpiod_add_lookup_table(&nokia8xx_mmc_gpio_table);
-
if (board_is_n810()) {
mmc1_data.slots[0].name = "external";
@@ -426,6 +426,8 @@ static void __init n8x0_mmc_init(void)
mmc1_data.slots[1].name = "internal";
mmc1_data.slots[1].ban_openended = 1;
gpiod_add_lookup_table(&nokia810_mmc_gpio_table);
+ } else {
+ gpiod_add_lookup_table(&nokia800_mmc_gpio_table);
}
mmc1_data.nr_slots = 2;
--
GitLab
From d4debbcbffa45c3de5df0040af2eea74a9e794a3 Mon Sep 17 00:00:00 2001
From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Fri, 23 Feb 2024 20:14:37 +0200
Subject: [PATCH 1047/2686] mmc: omap: fix broken slot switch lookup
The lookup is done before host->dev is initialized. It will always just
fail silently, and the MMC behaviour is totally unpredictable as the switch
is left in an undefined state. Fix that.
Fixes: e519f0bb64ef ("ARM/mmc: Convert old mmci-omap to GPIO descriptors")
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Message-ID: <20240223181439.1099750-4-aaro.koskinen@iki.fi>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
drivers/mmc/host/omap.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 9fb8995b43a1c..aa40e1a9dc29e 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1384,13 +1384,6 @@ static int mmc_omap_probe(struct platform_device *pdev)
if (IS_ERR(host->virt_base))
return PTR_ERR(host->virt_base);
- host->slot_switch = gpiod_get_optional(host->dev, "switch",
- GPIOD_OUT_LOW);
- if (IS_ERR(host->slot_switch))
- return dev_err_probe(host->dev, PTR_ERR(host->slot_switch),
- "error looking up slot switch GPIO\n");
-
-
INIT_WORK(&host->slot_release_work, mmc_omap_slot_release_work);
INIT_WORK(&host->send_stop_work, mmc_omap_send_stop_work);
@@ -1409,6 +1402,12 @@ static int mmc_omap_probe(struct platform_device *pdev)
host->dev = &pdev->dev;
platform_set_drvdata(pdev, host);
+ host->slot_switch = gpiod_get_optional(host->dev, "switch",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(host->slot_switch))
+ return dev_err_probe(host->dev, PTR_ERR(host->slot_switch),
+ "error looking up slot switch GPIO\n");
+
host->id = pdev->id;
host->irq = irq;
host->phys_base = res->start;
--
GitLab
From f6862c7f156d04f81c38467e1c304b7e9517e810 Mon Sep 17 00:00:00 2001
From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Fri, 23 Feb 2024 20:14:38 +0200
Subject: [PATCH 1048/2686] mmc: omap: fix deferred probe
After a deferred probe, GPIO descriptor lookup will fail with EBUSY. Fix by
using managed descriptors.
Fixes: e519f0bb64ef ("ARM/mmc: Convert old mmci-omap to GPIO descriptors")
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Message-ID: <20240223181439.1099750-5-aaro.koskinen@iki.fi>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
drivers/mmc/host/omap.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index aa40e1a9dc29e..50408771ae01c 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1259,18 +1259,18 @@ static int mmc_omap_new_slot(struct mmc_omap_host *host, int id)
slot->pdata = &host->pdata->slots[id];
/* Check for some optional GPIO controls */
- slot->vsd = gpiod_get_index_optional(host->dev, "vsd",
- id, GPIOD_OUT_LOW);
+ slot->vsd = devm_gpiod_get_index_optional(host->dev, "vsd",
+ id, GPIOD_OUT_LOW);
if (IS_ERR(slot->vsd))
return dev_err_probe(host->dev, PTR_ERR(slot->vsd),
"error looking up VSD GPIO\n");
- slot->vio = gpiod_get_index_optional(host->dev, "vio",
- id, GPIOD_OUT_LOW);
+ slot->vio = devm_gpiod_get_index_optional(host->dev, "vio",
+ id, GPIOD_OUT_LOW);
if (IS_ERR(slot->vio))
return dev_err_probe(host->dev, PTR_ERR(slot->vio),
"error looking up VIO GPIO\n");
- slot->cover = gpiod_get_index_optional(host->dev, "cover",
- id, GPIOD_IN);
+ slot->cover = devm_gpiod_get_index_optional(host->dev, "cover",
+ id, GPIOD_IN);
if (IS_ERR(slot->cover))
return dev_err_probe(host->dev, PTR_ERR(slot->cover),
"error looking up cover switch GPIO\n");
@@ -1402,8 +1402,8 @@ static int mmc_omap_probe(struct platform_device *pdev)
host->dev = &pdev->dev;
platform_set_drvdata(pdev, host);
- host->slot_switch = gpiod_get_optional(host->dev, "switch",
- GPIOD_OUT_LOW);
+ host->slot_switch = devm_gpiod_get_optional(host->dev, "switch",
+ GPIOD_OUT_LOW);
if (IS_ERR(host->slot_switch))
return dev_err_probe(host->dev, PTR_ERR(host->slot_switch),
"error looking up slot switch GPIO\n");
--
GitLab
From 894ad61b85d6ba8efd4274aa8719d9ff1c89ea54 Mon Sep 17 00:00:00 2001
From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Fri, 23 Feb 2024 20:14:39 +0200
Subject: [PATCH 1049/2686] mmc: omap: restore original power up/down steps
Commit e519f0bb64ef ("ARM/mmc: Convert old mmci-omap to GPIO descriptors")
moved Nokia N810 MMC power up/down from the board file into the MMC driver.
The change removed some delays, and ordering without a valid reason.
Restore power up/down to match the original code. This matters only on N810
where the 2nd GPIO is in use. Other boards will see an additional delay but
that should be a lesser concern than omitting delays altogether.
Fixes: e519f0bb64ef ("ARM/mmc: Convert old mmci-omap to GPIO descriptors")
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Message-ID: <20240223181439.1099750-6-aaro.koskinen@iki.fi>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
drivers/mmc/host/omap.c | 23 +++++++++++++++++++----
1 file changed, 19 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 50408771ae01c..13fa8588e38c1 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1119,10 +1119,25 @@ static void mmc_omap_set_power(struct mmc_omap_slot *slot, int power_on,
host = slot->host;
- if (slot->vsd)
- gpiod_set_value(slot->vsd, power_on);
- if (slot->vio)
- gpiod_set_value(slot->vio, power_on);
+ if (power_on) {
+ if (slot->vsd) {
+ gpiod_set_value(slot->vsd, power_on);
+ msleep(1);
+ }
+ if (slot->vio) {
+ gpiod_set_value(slot->vio, power_on);
+ msleep(1);
+ }
+ } else {
+ if (slot->vio) {
+ gpiod_set_value(slot->vio, power_on);
+ msleep(50);
+ }
+ if (slot->vsd) {
+ gpiod_set_value(slot->vsd, power_on);
+ msleep(50);
+ }
+ }
if (slot->pdata->set_power != NULL)
slot->pdata->set_power(mmc_dev(slot->mmc), slot->id, power_on,
--
GitLab
From 4421405e3634a3189b541cf1e34598e44260720d Mon Sep 17 00:00:00 2001
From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Fri, 23 Feb 2024 20:16:56 +0200
Subject: [PATCH 1050/2686] ARM: OMAP2+: fix USB regression on Nokia N8x0
GPIO chip labels are wrong for OMAP2, so the USB does not work. Fix.
Fixes: 8e0285ab95a9 ("ARM/musb: omap2: Remove global GPIO numbers from TUSB6010")
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Message-ID: <20240223181656.1099845-1-aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/board-n8x0.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index c933a91751e4f..ff2a4a4d82204 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -79,10 +79,8 @@ static struct musb_hdrc_platform_data tusb_data = {
static struct gpiod_lookup_table tusb_gpio_table = {
.dev_id = "musb-tusb",
.table = {
- GPIO_LOOKUP("gpio-0-15", 0, "enable",
- GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP("gpio-48-63", 10, "int",
- GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("gpio-0-31", 0, "enable", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("gpio-32-63", 26, "int", GPIO_ACTIVE_HIGH),
{ }
},
};
--
GitLab
From babfeb9cbe7ebc657bd5b3e4f9fde79f560b6acc Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 29 Feb 2024 23:21:27 +0100
Subject: [PATCH 1051/2686] rtc: nct3018y: fix possible NULL dereference
alarm_enable and alarm_flag are allowed to be NULL but will be dereferenced
later by the dev_dbg call.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/r/202305180042.DEzW1pSd-lkp@intel.com/
Link: https://lore.kernel.org/r/20240229222127.1878176-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-nct3018y.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/rtc/rtc-nct3018y.c b/drivers/rtc/rtc-nct3018y.c
index f488a189a4651..076d8b99f9131 100644
--- a/drivers/rtc/rtc-nct3018y.c
+++ b/drivers/rtc/rtc-nct3018y.c
@@ -102,6 +102,8 @@ static int nct3018y_get_alarm_mode(struct i2c_client *client, unsigned char *ala
if (flags < 0)
return flags;
*alarm_enable = flags & NCT3018Y_BIT_AIE;
+ dev_dbg(&client->dev, "%s:alarm_enable:%x\n", __func__, *alarm_enable);
+
}
if (alarm_flag) {
@@ -110,11 +112,9 @@ static int nct3018y_get_alarm_mode(struct i2c_client *client, unsigned char *ala
if (flags < 0)
return flags;
*alarm_flag = flags & NCT3018Y_BIT_AF;
+ dev_dbg(&client->dev, "%s:alarm_flag:%x\n", __func__, *alarm_flag);
}
- dev_dbg(&client->dev, "%s:alarm_enable:%x alarm_flag:%x\n",
- __func__, *alarm_enable, *alarm_flag);
-
return 0;
}
--
GitLab
From 1e60ac6b8b571be31d5bfe3dae08f384a720b1e5 Mon Sep 17 00:00:00 2001
From: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Date: Fri, 1 Mar 2024 15:59:07 +0100
Subject: [PATCH 1052/2686] MAINTAINERS: adjust file entry in ARM/Mediatek RTC
DRIVER
Commit e8c0498505b0 ("dt-bindings: rtc: convert MT2717 RTC to the
json-schema") and commit aef3952ec13f ("dt-bindings: rtc: convert MT7622
RTC to the json-schema") convert rtc-mt{2712,7622}.txt to
mediatek,mt{2712,7622}-rtc.yaml, but misses to adjust the file entries in
MAINTAINERS.
Hence, ./scripts/get_maintainer.pl --self-test=patterns complains about a
broken reference.
Repair these file entries in ARM/Mediatek RTC DRIVER.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20240301145907.32732-1-lukas.bulwahn@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
MAINTAINERS | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 8d1052fa6a692..eeba9c2594496 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2357,8 +2357,8 @@ M: Sean Wang <sean.wang@mediatek.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-mediatek@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: Documentation/devicetree/bindings/rtc/rtc-mt2712.txt
-F: Documentation/devicetree/bindings/rtc/rtc-mt7622.txt
+F: Documentation/devicetree/bindings/rtc/mediatek,mt2712-rtc.yaml
+F: Documentation/devicetree/bindings/rtc/mediatek,mt7622-rtc.yaml
F: drivers/rtc/rtc-mt2712.c
F: drivers/rtc/rtc-mt6397.c
F: drivers/rtc/rtc-mt7622.c
--
GitLab
From 32a6be0858356190ac3bce4b75693549e1da2f16 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Tue, 5 Mar 2024 10:09:44 +0200
Subject: [PATCH 1053/2686] dt-bindings: rtc: abx80x: Improve checks on trickle
charger constraints
The abracon,tc-diode and abracon,tc-resistor DT properties are only
valid for the ABx0804 and ABx0805. Furthermore, they must both be
present, or neither of them must be specified. Add rules to check this.
The generic abracon,abx08x compatible string doesn't indicate which chip
variant is used, but performs auto-detection at runtime. It must this
also allow the two above properties.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240305080944.17991-1-laurent.pinchart@ideasonboard.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
.../bindings/rtc/abracon,abx80x.yaml | 25 ++++++++++++++++---
1 file changed, 22 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml b/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml
index 58dbbca27deb8..355b0598411a6 100644
--- a/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml
+++ b/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml
@@ -9,9 +9,6 @@ title: Abracon ABX80X I2C ultra low power RTC/Alarm chip
maintainers:
- linux-rtc@vger.kernel.org
-allOf:
- - $ref: rtc.yaml#
-
properties:
compatible:
description:
@@ -55,10 +52,32 @@ properties:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 3, 6, 11]
+dependentRequired:
+ abracon,tc-diode: ["abracon,tc-resistor"]
+ abracon,tc-resistor: ["abracon,tc-diode"]
+
required:
- compatible
- reg
+allOf:
+ - $ref: rtc.yaml#
+ - if:
+ properties:
+ compatible:
+ not:
+ contains:
+ enum:
+ - abracon,abx80x
+ - abracon,ab0804
+ - abracon,ab1804
+ - abracon,ab0805
+ - abracon,ab1805
+ then:
+ properties:
+ abracon,tc-diode: false
+ abracon,tc-resistor: false
+
unevaluatedProperties: false
examples:
--
GitLab
From 6b6ca096115e5b7a85e8313f4e68a72d52db91b3 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Tue, 5 Mar 2024 15:22:28 -0300
Subject: [PATCH 1054/2686] rtc: class: make rtc_class constant
Since commit 43a7206b0963 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the rtc_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240305-class_cleanup-abelloni-v1-1-944c026137c8@marliere.net
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/class.c | 21 +++++++++++++--------
drivers/rtc/interface.c | 2 +-
include/linux/rtc.h | 2 +-
kernel/power/suspend_test.c | 2 +-
kernel/time/alarmtimer.c | 2 +-
5 files changed, 17 insertions(+), 12 deletions(-)
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 921ee18279743..e31fa0ad127e9 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -21,7 +21,6 @@
#include "rtc-core.h"
static DEFINE_IDA(rtc_ida);
-struct class *rtc_class;
static void rtc_device_release(struct device *dev)
{
@@ -199,6 +198,11 @@ static SIMPLE_DEV_PM_OPS(rtc_class_dev_pm_ops, rtc_suspend, rtc_resume);
#define RTC_CLASS_DEV_PM_OPS NULL
#endif
+const struct class rtc_class = {
+ .name = "rtc",
+ .pm = RTC_CLASS_DEV_PM_OPS,
+};
+
/* Ensure the caller will set the id before releasing the device */
static struct rtc_device *rtc_allocate_device(void)
{
@@ -220,7 +224,7 @@ static struct rtc_device *rtc_allocate_device(void)
rtc->irq_freq = 1;
rtc->max_user_freq = 64;
- rtc->dev.class = rtc_class;
+ rtc->dev.class = &rtc_class;
rtc->dev.groups = rtc_get_dev_attribute_groups();
rtc->dev.release = rtc_device_release;
@@ -475,13 +479,14 @@ EXPORT_SYMBOL_GPL(devm_rtc_device_register);
static int __init rtc_init(void)
{
- rtc_class = class_create("rtc");
- if (IS_ERR(rtc_class)) {
- pr_err("couldn't create class\n");
- return PTR_ERR(rtc_class);
- }
- rtc_class->pm = RTC_CLASS_DEV_PM_OPS;
+ int err;
+
+ err = class_register(&rtc_class);
+ if (err)
+ return err;
+
rtc_dev_init();
+
return 0;
}
subsys_initcall(rtc_init);
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 1b63111cdda2e..5faafb4aa55cc 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -696,7 +696,7 @@ struct rtc_device *rtc_class_open(const char *name)
struct device *dev;
struct rtc_device *rtc = NULL;
- dev = class_find_device_by_name(rtc_class, name);
+ dev = class_find_device_by_name(&rtc_class, name);
if (dev)
rtc = to_rtc_device(dev);
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 5f8e438a0312b..3f4d315aaec9e 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -42,7 +42,7 @@ static inline time64_t rtc_tm_sub(struct rtc_time *lhs, struct rtc_time *rhs)
#include <linux/timerqueue.h>
#include <linux/workqueue.h>
-extern struct class *rtc_class;
+extern const struct class rtc_class;
/*
* For these RTC methods the device parameter is the physical device
diff --git a/kernel/power/suspend_test.c b/kernel/power/suspend_test.c
index b663a97f5867a..d4856ec615706 100644
--- a/kernel/power/suspend_test.c
+++ b/kernel/power/suspend_test.c
@@ -201,7 +201,7 @@ static int __init test_suspend(void)
}
/* RTCs have initialized by now too ... can we use one? */
- dev = class_find_device(rtc_class, NULL, NULL, has_wakealarm);
+ dev = class_find_device(&rtc_class, NULL, NULL, has_wakealarm);
if (dev) {
rtc = rtc_class_open(dev_name(dev));
put_device(dev);
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
index 4657cb8e8b1f9..5abfa43906732 100644
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -134,7 +134,7 @@ static struct class_interface alarmtimer_rtc_interface = {
static int alarmtimer_rtc_interface_setup(void)
{
- alarmtimer_rtc_interface.class = rtc_class;
+ alarmtimer_rtc_interface.class = &rtc_class;
return class_interface_register(&alarmtimer_rtc_interface);
}
static void alarmtimer_rtc_interface_remove(void)
--
GitLab
From f0109900462db14e3f213a41c7f14b350252c7e2 Mon Sep 17 00:00:00 2001
From: Michal Simek <michal.simek@amd.com>
Date: Thu, 7 Mar 2024 10:43:46 +0100
Subject: [PATCH 1055/2686] dt-bindings: rtc: zynqmp: Add support for
Versal/Versal NET SoCs
Add support for Versal and Versal NET SoCs. Both of them should use the
same IP core but differences can be in integration part that's why create
separate compatible strings.
Also describe optional power-domains property. It is optional because power
domain doesn't need to be onwed by non secure firmware hence no access to
control it via any driver.
Signed-off-by: Michal Simek <michal.simek@amd.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/5ecd775e6083f86aa744c4e9dfb7f6a13082c78a.1709804617.git.michal.simek@amd.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
.../devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml b/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
index d1f5eb996dba0..01cc90fee81e5 100644
--- a/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
@@ -18,7 +18,13 @@ allOf:
properties:
compatible:
- const: xlnx,zynqmp-rtc
+ oneOf:
+ - const: xlnx,zynqmp-rtc
+ - items:
+ - enum:
+ - xlnx,versal-rtc
+ - xlnx,versal-net-rtc
+ - const: xlnx,zynqmp-rtc
reg:
maxItems: 1
@@ -48,6 +54,9 @@ properties:
default: 0x198233
deprecated: true
+ power-domains:
+ maxItems: 1
+
required:
- compatible
- reg
--
GitLab
From 34485c37ea931d4a086701de1d61a986b9707b7d Mon Sep 17 00:00:00 2001
From: Keith Busch <kbusch@kernel.org>
Date: Thu, 7 Mar 2024 08:55:42 -0800
Subject: [PATCH 1056/2686] nvme: change shutdown timeout setting message
User visible messages containing the word "timeout" can be alarming.
This one from nvme is just reporting a potentially informative device
configuration, and everything is working as designed. Change the text to
report the less concerning "D3 entry latency", which is where this value
comes from anyway.
Reported-by: Len Brown <lenb@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 2baf5786a92fe..0dcaf3973dc49 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3233,7 +3233,7 @@ static int nvme_init_identify(struct nvme_ctrl *ctrl)
if (ctrl->shutdown_timeout != shutdown_timeout)
dev_info(ctrl->device,
- "Shutdown timeout set to %u seconds\n",
+ "D3 entry latency set to %u seconds\n",
ctrl->shutdown_timeout);
} else
ctrl->shutdown_timeout = shutdown_timeout;
--
GitLab
From 0889d13b9e1cbef49e802ae09f3b516911ad82a1 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Fri, 8 Mar 2024 08:11:05 +0100
Subject: [PATCH 1057/2686] nvmet-tcp: do not continue for invalid icreq
When the length check for an icreq sqe fails we should not
continue processing but rather return immediately as all
other contents of that sqe cannot be relied on.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/target/tcp.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index c8655fc5aa5b8..022d17bd36bf4 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -898,6 +898,7 @@ static int nvmet_tcp_handle_icreq(struct nvmet_tcp_queue *queue)
pr_err("bad nvme-tcp pdu length (%d)\n",
le32_to_cpu(icreq->hdr.plen));
nvmet_tcp_fatal_error(queue);
+ return -EPROTO;
}
if (icreq->pfv != NVME_TCP_PFV_1_0) {
--
GitLab
From 1843671f86e93311e12b7dde72736167a07158fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Fri, 8 Mar 2024 09:51:10 +0100
Subject: [PATCH 1058/2686] nvme-apple: Convert to platform remove callback
returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/apple.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/nvme/host/apple.c b/drivers/nvme/host/apple.c
index a480cdeac2883..dd6ec0865141a 100644
--- a/drivers/nvme/host/apple.c
+++ b/drivers/nvme/host/apple.c
@@ -1532,7 +1532,7 @@ static int apple_nvme_probe(struct platform_device *pdev)
return ret;
}
-static int apple_nvme_remove(struct platform_device *pdev)
+static void apple_nvme_remove(struct platform_device *pdev)
{
struct apple_nvme *anv = platform_get_drvdata(pdev);
@@ -1547,8 +1547,6 @@ static int apple_nvme_remove(struct platform_device *pdev)
apple_rtkit_shutdown(anv->rtk);
apple_nvme_detach_genpd(anv);
-
- return 0;
}
static void apple_nvme_shutdown(struct platform_device *pdev)
@@ -1598,7 +1596,7 @@ static struct platform_driver apple_nvme_driver = {
.pm = pm_sleep_ptr(&apple_nvme_pm_ops),
},
.probe = apple_nvme_probe,
- .remove = apple_nvme_remove,
+ .remove_new = apple_nvme_remove,
.shutdown = apple_nvme_shutdown,
};
module_platform_driver(apple_nvme_driver);
--
GitLab
From 8fc3b0f1f47b8b6dd2801deeccae59a3b46c4c39 Mon Sep 17 00:00:00 2001
From: Guixin Liu <kanie@linux.alibaba.com>
Date: Wed, 28 Feb 2024 16:37:54 +0800
Subject: [PATCH 1059/2686] nvmet: add tracing of authentication commands
Add nvme_fabrics_type_auth_send and nvme_fabrics_type_auth_receive
to the nvme target's tracing facility.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/target/trace.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/drivers/nvme/target/trace.c b/drivers/nvme/target/trace.c
index 6ee1f3db81d04..ca537fae37300 100644
--- a/drivers/nvme/target/trace.c
+++ b/drivers/nvme/target/trace.c
@@ -176,6 +176,34 @@ static const char *nvmet_trace_fabrics_property_get(struct trace_seq *p,
return ret;
}
+static const char *nvmet_trace_fabrics_auth_send(struct trace_seq *p, u8 *spc)
+{
+ const char *ret = trace_seq_buffer_ptr(p);
+ u8 spsp0 = spc[1];
+ u8 spsp1 = spc[2];
+ u8 secp = spc[3];
+ u32 tl = get_unaligned_le32(spc + 4);
+
+ trace_seq_printf(p, "spsp0=%02x, spsp1=%02x, secp=%02x, tl=%u",
+ spsp0, spsp1, secp, tl);
+ trace_seq_putc(p, 0);
+ return ret;
+}
+
+static const char *nvmet_trace_fabrics_auth_receive(struct trace_seq *p, u8 *spc)
+{
+ const char *ret = trace_seq_buffer_ptr(p);
+ u8 spsp0 = spc[1];
+ u8 spsp1 = spc[2];
+ u8 secp = spc[3];
+ u32 al = get_unaligned_le32(spc + 4);
+
+ trace_seq_printf(p, "spsp0=%02x, spsp1=%02x, secp=%02x, al=%u",
+ spsp0, spsp1, secp, al);
+ trace_seq_putc(p, 0);
+ return ret;
+}
+
static const char *nvmet_trace_fabrics_common(struct trace_seq *p, u8 *spc)
{
const char *ret = trace_seq_buffer_ptr(p);
@@ -195,6 +223,10 @@ const char *nvmet_trace_parse_fabrics_cmd(struct trace_seq *p,
return nvmet_trace_fabrics_connect(p, spc);
case nvme_fabrics_type_property_get:
return nvmet_trace_fabrics_property_get(p, spc);
+ case nvme_fabrics_type_auth_send:
+ return nvmet_trace_fabrics_auth_send(p, spc);
+ case nvme_fabrics_type_auth_receive:
+ return nvmet_trace_fabrics_auth_receive(p, spc);
default:
return nvmet_trace_fabrics_common(p, spc);
}
--
GitLab
From 2bc91743096756d7c97d10c7079617192211369b Mon Sep 17 00:00:00 2001
From: Guixin Liu <kanie@linux.alibaba.com>
Date: Wed, 28 Feb 2024 16:37:55 +0800
Subject: [PATCH 1060/2686] nvmet: add tracing of zns commands
Add nvme_cmd_zone_append, nvme_cmd_zone_mgmt_send and
nvme_cmd_zone_mgmt_recv parse to nvme target tracing.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/target/trace.c | 66 +++++++++++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)
diff --git a/drivers/nvme/target/trace.c b/drivers/nvme/target/trace.c
index ca537fae37300..8d1806a828879 100644
--- a/drivers/nvme/target/trace.c
+++ b/drivers/nvme/target/trace.c
@@ -119,6 +119,67 @@ const char *nvmet_trace_parse_admin_cmd(struct trace_seq *p,
}
}
+static const char *nvmet_trace_zone_mgmt_send(struct trace_seq *p, u8 *cdw10)
+{
+ static const char * const zsa_strs[] = {
+ [0x01] = "close zone",
+ [0x02] = "finish zone",
+ [0x03] = "open zone",
+ [0x04] = "reset zone",
+ [0x05] = "offline zone",
+ [0x10] = "set zone descriptor extension"
+ };
+ const char *ret = trace_seq_buffer_ptr(p);
+ u64 slba = get_unaligned_le64(cdw10);
+ const char *zsa_str;
+ u8 zsa = cdw10[12];
+ u8 all = cdw10[13];
+
+ if (zsa < ARRAY_SIZE(zsa_strs) && zsa_strs[zsa])
+ zsa_str = zsa_strs[zsa];
+ else
+ zsa_str = "reserved";
+
+ trace_seq_printf(p, "slba=%llu, zsa=%u:%s, all=%u",
+ slba, zsa, zsa_str, all);
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+static const char *nvmet_trace_zone_mgmt_recv(struct trace_seq *p, u8 *cdw10)
+{
+ static const char * const zrasf_strs[] = {
+ [0x00] = "list all zones",
+ [0x01] = "list the zones in the ZSE: Empty state",
+ [0x02] = "list the zones in the ZSIO: Implicitly Opened state",
+ [0x03] = "list the zones in the ZSEO: Explicitly Opened state",
+ [0x04] = "list the zones in the ZSC: Closed state",
+ [0x05] = "list the zones in the ZSF: Full state",
+ [0x06] = "list the zones in the ZSRO: Read Only state",
+ [0x07] = "list the zones in the ZSO: Offline state",
+ [0x09] = "list the zones that have the zone attribute"
+ };
+ const char *ret = trace_seq_buffer_ptr(p);
+ u64 slba = get_unaligned_le64(cdw10);
+ u32 numd = get_unaligned_le32(&cdw10[8]);
+ u8 zra = cdw10[12];
+ u8 zrasf = cdw10[13];
+ const char *zrasf_str;
+ u8 pr = cdw10[14];
+
+ if (zrasf < ARRAY_SIZE(zrasf_strs) && zrasf_strs[zrasf])
+ zrasf_str = zrasf_strs[zrasf];
+ else
+ zrasf_str = "reserved";
+
+ trace_seq_printf(p, "slba=%llu, numd=%u, zra=%u, zrasf=%u:%s, pr=%u",
+ slba, numd, zra, zrasf, zrasf_str, pr);
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
const char *nvmet_trace_parse_nvm_cmd(struct trace_seq *p,
u8 opcode, u8 *cdw10)
{
@@ -126,9 +187,14 @@ const char *nvmet_trace_parse_nvm_cmd(struct trace_seq *p,
case nvme_cmd_read:
case nvme_cmd_write:
case nvme_cmd_write_zeroes:
+ case nvme_cmd_zone_append:
return nvmet_trace_read_write(p, cdw10);
case nvme_cmd_dsm:
return nvmet_trace_dsm(p, cdw10);
+ case nvme_cmd_zone_mgmt_send:
+ return nvmet_trace_zone_mgmt_send(p, cdw10);
+ case nvme_cmd_zone_mgmt_recv:
+ return nvmet_trace_zone_mgmt_recv(p, cdw10);
default:
return nvmet_trace_common(p, cdw10);
}
--
GitLab
From 16e87fe23d4af6df920406494ced5c0f4354567b Mon Sep 17 00:00:00 2001
From: Duoming Zhou <duoming@zju.edu.cn>
Date: Wed, 6 Mar 2024 13:01:04 +0800
Subject: [PATCH 1061/2686] nouveau/dmem: handle kcalloc() allocation failure
The kcalloc() in nouveau_dmem_evict_chunk() will return null if
the physical memory has run out. As a result, if we dereference
src_pfns, dst_pfns or dma_addrs, the null pointer dereference bugs
will happen.
Moreover, the GPU is going away. If the kcalloc() fails, we could not
evict all pages mapping a chunk. So this patch adds a __GFP_NOFAIL
flag in kcalloc().
Finally, as there is no need to have physically contiguous memory,
this patch switches kcalloc() to kvcalloc() in order to avoid
failing allocations.
CC: <stable@vger.kernel.org> # v6.1
Fixes: 249881232e14 ("nouveau/dmem: evict device private memory during release")
Suggested-by: Danilo Krummrich <dakr@redhat.com>
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240306050104.11259-1-duoming@zju.edu.cn
---
drivers/gpu/drm/nouveau/nouveau_dmem.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c
index 12feecf71e752..6fb65b01d7780 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dmem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c
@@ -378,9 +378,9 @@ nouveau_dmem_evict_chunk(struct nouveau_dmem_chunk *chunk)
dma_addr_t *dma_addrs;
struct nouveau_fence *fence;
- src_pfns = kcalloc(npages, sizeof(*src_pfns), GFP_KERNEL);
- dst_pfns = kcalloc(npages, sizeof(*dst_pfns), GFP_KERNEL);
- dma_addrs = kcalloc(npages, sizeof(*dma_addrs), GFP_KERNEL);
+ src_pfns = kvcalloc(npages, sizeof(*src_pfns), GFP_KERNEL | __GFP_NOFAIL);
+ dst_pfns = kvcalloc(npages, sizeof(*dst_pfns), GFP_KERNEL | __GFP_NOFAIL);
+ dma_addrs = kvcalloc(npages, sizeof(*dma_addrs), GFP_KERNEL | __GFP_NOFAIL);
migrate_device_range(src_pfns, chunk->pagemap.range.start >> PAGE_SHIFT,
npages);
@@ -406,11 +406,11 @@ nouveau_dmem_evict_chunk(struct nouveau_dmem_chunk *chunk)
migrate_device_pages(src_pfns, dst_pfns, npages);
nouveau_dmem_fence_done(&fence);
migrate_device_finalize(src_pfns, dst_pfns, npages);
- kfree(src_pfns);
- kfree(dst_pfns);
+ kvfree(src_pfns);
+ kvfree(dst_pfns);
for (i = 0; i < npages; i++)
dma_unmap_page(chunk->drm->dev->dev, dma_addrs[i], PAGE_SIZE, DMA_BIDIRECTIONAL);
- kfree(dma_addrs);
+ kvfree(dma_addrs);
}
void
--
GitLab
From fcf3f7e2fc8a53a6140beee46ec782a4c88e4744 Mon Sep 17 00:00:00 2001
From: Yu Kuai <yukuai3@huawei.com>
Date: Fri, 8 Mar 2024 17:37:26 +0800
Subject: [PATCH 1062/2686] raid1: fix use-after-free for original bio in
raid1_write_request()
r1_bio->bios[] is used to record new bios that will be issued to
underlying disks, however, in raid1_write_request(), r1_bio->bios[]
will set to the original bio temporarily. Meanwhile, if blocked rdev
is set, free_r1bio() will be called causing that all r1_bio->bios[]
to be freed:
raid1_write_request()
r1_bio = alloc_r1bio(mddev, bio); -> r1_bio->bios[] is NULL
for (i = 0; i < disks; i++) -> for each rdev in conf
// first rdev is normal
r1_bio->bios[0] = bio; -> set to original bio
// second rdev is blocked
if (test_bit(Blocked, &rdev->flags))
break
if (blocked_rdev)
free_r1bio()
put_all_bios()
bio_put(r1_bio->bios[0]) -> original bio is freed
Test scripts:
mdadm -CR /dev/md0 -l1 -n4 /dev/sd[abcd] --assume-clean
fio -filename=/dev/md0 -ioengine=libaio -rw=write -bs=4k -numjobs=1 \
-iodepth=128 -name=test -direct=1
echo blocked > /sys/block/md0/md/rd2/state
Test result:
BUG bio-264 (Not tainted): Object already free
-----------------------------------------------------------------------------
Allocated in mempool_alloc_slab+0x24/0x50 age=1 cpu=1 pid=869
kmem_cache_alloc+0x324/0x480
mempool_alloc_slab+0x24/0x50
mempool_alloc+0x6e/0x220
bio_alloc_bioset+0x1af/0x4d0
blkdev_direct_IO+0x164/0x8a0
blkdev_write_iter+0x309/0x440
aio_write+0x139/0x2f0
io_submit_one+0x5ca/0xb70
__do_sys_io_submit+0x86/0x270
__x64_sys_io_submit+0x22/0x30
do_syscall_64+0xb1/0x210
entry_SYSCALL_64_after_hwframe+0x6c/0x74
Freed in mempool_free_slab+0x1f/0x30 age=1 cpu=1 pid=869
kmem_cache_free+0x28c/0x550
mempool_free_slab+0x1f/0x30
mempool_free+0x40/0x100
bio_free+0x59/0x80
bio_put+0xf0/0x220
free_r1bio+0x74/0xb0
raid1_make_request+0xadf/0x1150
md_handle_request+0xc7/0x3b0
md_submit_bio+0x76/0x130
__submit_bio+0xd8/0x1d0
submit_bio_noacct_nocheck+0x1eb/0x5c0
submit_bio_noacct+0x169/0xd40
submit_bio+0xee/0x1d0
blkdev_direct_IO+0x322/0x8a0
blkdev_write_iter+0x309/0x440
aio_write+0x139/0x2f0
Since that bios for underlying disks are not allocated yet, fix this
problem by using mempool_free() directly to free the r1_bio.
Fixes: 992db13a4aee ("md/raid1: free the r1bio before waiting for blocked rdev")
Cc: stable@vger.kernel.org # v6.6+
Reported-by: Coly Li <colyli@suse.de>
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Tested-by: Coly Li <colyli@suse.de>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20240308093726.1047420-1-yukuai1@huaweicloud.com
---
drivers/md/raid1.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index be8ac24f50b6a..7b8a71ca66dde 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1558,7 +1558,7 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio,
for (j = 0; j < i; j++)
if (r1_bio->bios[j])
rdev_dec_pending(conf->mirrors[j].rdev, mddev);
- free_r1bio(r1_bio);
+ mempool_free(r1_bio, &conf->r1bio_pool);
allow_barrier(conf, bio->bi_iter.bi_sector);
if (bio->bi_opf & REQ_NOWAIT) {
--
GitLab
From 2c12932b8e65227030cd079d18ff6ad42d262491 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 19 Feb 2024 08:46:29 +0100
Subject: [PATCH 1063/2686] siox: Don't pass the reference on a master in
siox_master_register()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
While it's technically fine to pass the ownership of the reference on
a struct siox_master from the caller of siox_master_register() to the
framework this is hard to use. Instead let the framework take its own
reference (that is freed in siox_master_unregister()) and drop the bus
driver's reference in its remove callback.
Acked-by: Thorsten Scherer <t.scherer@eckelmann.de>
Link: https://lore.kernel.org/r/1e8d09d17848e58e8fc6a46278b5e8fb0cf4618a.1708328466.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
drivers/siox/siox-bus-gpio.c | 2 ++
drivers/siox/siox-core.c | 2 ++
2 files changed, 4 insertions(+)
diff --git a/drivers/siox/siox-bus-gpio.c b/drivers/siox/siox-bus-gpio.c
index aeefeb7255247..fdf20fe80059d 100644
--- a/drivers/siox/siox-bus-gpio.c
+++ b/drivers/siox/siox-bus-gpio.c
@@ -149,6 +149,8 @@ static int siox_gpio_remove(struct platform_device *pdev)
siox_master_unregister(master);
+ siox_master_put(master);
+
return 0;
}
diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c
index 561408583b2bf..d4acab7036d66 100644
--- a/drivers/siox/siox-core.c
+++ b/drivers/siox/siox-core.c
@@ -717,6 +717,8 @@ int siox_master_register(struct siox_master *smaster)
if (!smaster->pushpull)
return -EINVAL;
+ get_device(&smaster->dev);
+
dev_set_name(&smaster->dev, "siox-%d", smaster->busno);
mutex_init(&smaster->lock);
--
GitLab
From 9ecfbf70537fe1209d0d27b5378260eb3e473c2f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 19 Feb 2024 08:46:30 +0100
Subject: [PATCH 1064/2686] siox: Provide a devm variant of siox_master_alloc()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This allows to simplify siox master drivers in the next step.
Acked-by: Thorsten Scherer <t.scherer@eckelmann.de>
Link: https://lore.kernel.org/r/ad141dd22c7d95ad0bd347f257ce586e1afb22a4.1708328466.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
drivers/siox/siox-core.c | 25 +++++++++++++++++++++++++
drivers/siox/siox.h | 2 ++
2 files changed, 27 insertions(+)
diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c
index d4acab7036d66..86ce2f3cde919 100644
--- a/drivers/siox/siox-core.c
+++ b/drivers/siox/siox-core.c
@@ -707,6 +707,31 @@ struct siox_master *siox_master_alloc(struct device *dev,
}
EXPORT_SYMBOL_GPL(siox_master_alloc);
+static void devm_siox_master_put(void *data)
+{
+ struct siox_master *smaster = data;
+
+ siox_master_put(smaster);
+}
+
+struct siox_master *devm_siox_master_alloc(struct device *dev,
+ size_t size)
+{
+ struct siox_master *smaster;
+ int ret;
+
+ smaster = siox_master_alloc(dev, size);
+ if (!smaster)
+ return NULL;
+
+ ret = devm_add_action_or_reset(dev, devm_siox_master_put, smaster);
+ if (ret)
+ return NULL;
+
+ return smaster;
+}
+EXPORT_SYMBOL_GPL(devm_siox_master_alloc);
+
int siox_master_register(struct siox_master *smaster)
{
int ret;
diff --git a/drivers/siox/siox.h b/drivers/siox/siox.h
index f08b43b713c5c..b227e18b697a4 100644
--- a/drivers/siox/siox.h
+++ b/drivers/siox/siox.h
@@ -45,5 +45,7 @@ static inline void siox_master_put(struct siox_master *smaster)
put_device(&smaster->dev);
}
+struct siox_master *devm_siox_master_alloc(struct device *dev, size_t size);
+
int siox_master_register(struct siox_master *smaster);
void siox_master_unregister(struct siox_master *smaster);
--
GitLab
From 91d5bb579c3666f09c160cc3c19c0456bff03cbe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 19 Feb 2024 08:46:31 +0100
Subject: [PATCH 1065/2686] siox: Provide a devm variant of
siox_master_register()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This allows to simplify siox master drivers in the next step.
Acked-by: Thorsten Scherer <t.scherer@eckelmann.de>
Link: https://lore.kernel.org/r/e961dfb3e94f106b16f5eacff2110fc7fa0cab13.1708328466.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
drivers/siox/siox-core.c | 19 +++++++++++++++++++
drivers/siox/siox.h | 2 ++
2 files changed, 21 insertions(+)
diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c
index 86ce2f3cde919..5be32e756d02f 100644
--- a/drivers/siox/siox-core.c
+++ b/drivers/siox/siox-core.c
@@ -795,6 +795,25 @@ void siox_master_unregister(struct siox_master *smaster)
}
EXPORT_SYMBOL_GPL(siox_master_unregister);
+static void devm_siox_master_unregister(void *data)
+{
+ struct siox_master *smaster = data;
+
+ siox_master_unregister(smaster);
+}
+
+int devm_siox_master_register(struct device *dev, struct siox_master *smaster)
+{
+ int ret;
+
+ ret = siox_master_register(smaster);
+ if (ret)
+ return ret;
+
+ return devm_add_action_or_reset(dev, devm_siox_master_unregister, smaster);
+}
+EXPORT_SYMBOL_GPL(devm_siox_master_register);
+
static struct siox_device *siox_device_add(struct siox_master *smaster,
const char *type, size_t inbytes,
size_t outbytes, u8 statustype)
diff --git a/drivers/siox/siox.h b/drivers/siox/siox.h
index b227e18b697a4..513f2c8312f7d 100644
--- a/drivers/siox/siox.h
+++ b/drivers/siox/siox.h
@@ -49,3 +49,5 @@ struct siox_master *devm_siox_master_alloc(struct device *dev, size_t size);
int siox_master_register(struct siox_master *smaster);
void siox_master_unregister(struct siox_master *smaster);
+
+int devm_siox_master_register(struct device *dev, struct siox_master *smaster);
--
GitLab
From db418d5f1ca5b7bafc8eaa9393ea18a7901bb0ed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 19 Feb 2024 08:46:32 +0100
Subject: [PATCH 1066/2686] siox: bus-gpio: Simplify using devm_siox_*
functions
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
With the devm variant of siox_master_allocate() and
siox_master_register() the remove callback can be dropped. This also
simplifies the error paths in the probe function.
Acked-by: Thorsten Scherer <t.scherer@eckelmann.de>
Link: https://lore.kernel.org/r/e3c598de536deadc7efef9c21ccb49d31eb240a9.1708328466.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
drivers/siox/siox-bus-gpio.c | 64 +++++++++++-------------------------
1 file changed, 20 insertions(+), 44 deletions(-)
diff --git a/drivers/siox/siox-bus-gpio.c b/drivers/siox/siox-bus-gpio.c
index fdf20fe80059d..9e01642e72de3 100644
--- a/drivers/siox/siox-bus-gpio.c
+++ b/drivers/siox/siox-bus-gpio.c
@@ -91,65 +91,42 @@ static int siox_gpio_probe(struct platform_device *pdev)
int ret;
struct siox_master *smaster;
- smaster = siox_master_alloc(&pdev->dev, sizeof(*ddata));
- if (!smaster) {
- dev_err(dev, "failed to allocate siox master\n");
- return -ENOMEM;
- }
+ smaster = devm_siox_master_alloc(dev, sizeof(*ddata));
+ if (!smaster)
+ return dev_err_probe(dev, -ENOMEM,
+ "failed to allocate siox master\n");
platform_set_drvdata(pdev, smaster);
ddata = siox_master_get_devdata(smaster);
ddata->din = devm_gpiod_get(dev, "din", GPIOD_IN);
- if (IS_ERR(ddata->din)) {
- ret = dev_err_probe(dev, PTR_ERR(ddata->din),
- "Failed to get din GPIO\n");
- goto err;
- }
+ if (IS_ERR(ddata->din))
+ return dev_err_probe(dev, PTR_ERR(ddata->din),
+ "Failed to get din GPIO\n");
ddata->dout = devm_gpiod_get(dev, "dout", GPIOD_OUT_LOW);
- if (IS_ERR(ddata->dout)) {
- ret = dev_err_probe(dev, PTR_ERR(ddata->dout),
- "Failed to get dout GPIO\n");
- goto err;
- }
+ if (IS_ERR(ddata->dout))
+ return dev_err_probe(dev, PTR_ERR(ddata->dout),
+ "Failed to get dout GPIO\n");
ddata->dclk = devm_gpiod_get(dev, "dclk", GPIOD_OUT_LOW);
- if (IS_ERR(ddata->dclk)) {
- ret = dev_err_probe(dev, PTR_ERR(ddata->dclk),
- "Failed to get dclk GPIO\n");
- goto err;
- }
+ if (IS_ERR(ddata->dclk))
+ return dev_err_probe(dev, PTR_ERR(ddata->dclk),
+ "Failed to get dclk GPIO\n");
ddata->dld = devm_gpiod_get(dev, "dld", GPIOD_OUT_LOW);
- if (IS_ERR(ddata->dld)) {
- ret = dev_err_probe(dev, PTR_ERR(ddata->dld),
- "Failed to get dld GPIO\n");
- goto err;
- }
+ if (IS_ERR(ddata->dld))
+ return dev_err_probe(dev, PTR_ERR(ddata->dld),
+ "Failed to get dld GPIO\n");
smaster->pushpull = siox_gpio_pushpull;
/* XXX: determine automatically like spi does */
smaster->busno = 0;
- ret = siox_master_register(smaster);
- if (ret) {
- dev_err_probe(dev, ret,
- "Failed to register siox master\n");
-err:
- siox_master_put(smaster);
- }
-
- return ret;
-}
-
-static int siox_gpio_remove(struct platform_device *pdev)
-{
- struct siox_master *master = platform_get_drvdata(pdev);
-
- siox_master_unregister(master);
-
- siox_master_put(master);
+ ret = devm_siox_master_register(dev, smaster);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "Failed to register siox master\n");
return 0;
}
@@ -162,7 +139,6 @@ MODULE_DEVICE_TABLE(of, siox_gpio_dt_ids);
static struct platform_driver siox_gpio_driver = {
.probe = siox_gpio_probe,
- .remove = siox_gpio_remove,
.driver = {
.name = DRIVER_NAME,
--
GitLab
From 1b9a8e8af0d969ad8f2deece827e691a1b07ba1b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20Lebrun?= <theo.lebrun@bootlin.com>
Date: Wed, 6 Mar 2024 18:59:21 +0100
Subject: [PATCH 1067/2686] dt-bindings: i2c: nomadik: add mobileye,eyeq5-i2c
bindings and example
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add EyeQ5 bindings to the existing Nomadik I2C dt-bindings. Add the
EyeQ5-specific property behind a conditional. Add an example for this
compatible.
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
---
.../bindings/i2c/st,nomadik-i2c.yaml | 49 ++++++++++++++++---
1 file changed, 43 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml b/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml
index 16024415a4a74..44c54b162bb10 100644
--- a/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml
@@ -14,9 +14,6 @@ description: The Nomadik I2C host controller began its life in the ST
maintainers:
- Linus Walleij <linus.walleij@linaro.org>
-allOf:
- - $ref: /schemas/i2c/i2c-controller.yaml#
-
# Need a custom select here or 'arm,primecell' will match on lots of nodes
select:
properties:
@@ -24,21 +21,23 @@ select:
contains:
enum:
- st,nomadik-i2c
+ - mobileye,eyeq5-i2c
required:
- compatible
properties:
compatible:
oneOf:
- # The variant found in STn8815
- items:
- const: st,nomadik-i2c
- const: arm,primecell
- # The variant found in DB8500
- items:
- const: stericsson,db8500-i2c
- const: st,nomadik-i2c
- const: arm,primecell
+ - items:
+ - const: mobileye,eyeq5-i2c
+ - const: arm,primecell
reg:
maxItems: 1
@@ -55,7 +54,7 @@ properties:
- items:
- const: mclk
- const: apb_pclk
- # Clock name in DB8500
+ # Clock name in DB8500 or EyeQ5
- items:
- const: i2cclk
- const: apb_pclk
@@ -70,6 +69,16 @@ properties:
minimum: 1
maximum: 400000
+ mobileye,olb:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ - items:
+ - description: Phandle to OLB system controller node.
+ - description: Platform-wide controller ID (integer starting from zero).
+ description:
+ The phandle pointing to OLB system controller node, with the I2C
+ controller index.
+
required:
- compatible
- reg
@@ -79,6 +88,20 @@ required:
unevaluatedProperties: false
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: mobileye,eyeq5-i2c
+ then:
+ required:
+ - mobileye,olb
+ else:
+ properties:
+ mobileye,olb: false
+
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
@@ -111,5 +134,19 @@ examples:
clocks = <&i2c0clk>, <&pclki2c0>;
clock-names = "mclk", "apb_pclk";
};
+ - |
+ #include <dt-bindings/interrupt-controller/mips-gic.h>
+ i2c@300000 {
+ compatible = "mobileye,eyeq5-i2c", "arm,primecell";
+ reg = <0x300000 0x1000>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 1 IRQ_TYPE_LEVEL_HIGH>;
+ clock-frequency = <400000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&i2c_ser_clk>, <&i2c_clk>;
+ clock-names = "i2cclk", "apb_pclk";
+ mobileye,olb = <&olb 0>;
+ };
...
--
GitLab
From ae9977eefc4a1e6e8fda619f5b8734efb6f11b58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20Lebrun?= <theo.lebrun@bootlin.com>
Date: Wed, 6 Mar 2024 18:59:22 +0100
Subject: [PATCH 1068/2686] i2c: nomadik: rename private struct pointers from
dev to priv
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Disambiguate the usage of dev as a variable name; it is usually best to
keep it reserved for struct device pointers. Avoid having multiple
names for the same struct pointer (previously: dev, nmk, nmk_i2c).
Fix whitespace code style; return indented twice, spacing besides infix
operators, align function call arguments to opening parenthesis. Remove
useless cast to unused return value from init_hw(). Introduce local dev
variable in probe() to alias &adev->dev.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
---
drivers/i2c/busses/i2c-nomadik.c | 428 +++++++++++++++----------------
1 file changed, 214 insertions(+), 214 deletions(-)
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index b10574d42b7ac..cd511c884f998 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -206,12 +206,12 @@ static inline void i2c_clr_bit(void __iomem *reg, u32 mask)
/**
* flush_i2c_fifo() - This function flushes the I2C FIFO
- * @dev: private data of I2C Driver
+ * @priv: private data of I2C Driver
*
* This function flushes the I2C Tx and Rx FIFOs. It returns
* 0 on successful flushing of FIFO
*/
-static int flush_i2c_fifo(struct nmk_i2c_dev *dev)
+static int flush_i2c_fifo(struct nmk_i2c_dev *priv)
{
#define LOOP_ATTEMPTS 10
int i;
@@ -224,19 +224,19 @@ static int flush_i2c_fifo(struct nmk_i2c_dev *dev)
* bits, until then no one must access Tx, Rx FIFO and
* should poll on these bits waiting for the completion.
*/
- writel((I2C_CR_FTX | I2C_CR_FRX), dev->virtbase + I2C_CR);
+ writel((I2C_CR_FTX | I2C_CR_FRX), priv->virtbase + I2C_CR);
for (i = 0; i < LOOP_ATTEMPTS; i++) {
- timeout = jiffies + dev->adap.timeout;
+ timeout = jiffies + priv->adap.timeout;
while (!time_after(jiffies, timeout)) {
- if ((readl(dev->virtbase + I2C_CR) &
+ if ((readl(priv->virtbase + I2C_CR) &
(I2C_CR_FTX | I2C_CR_FRX)) == 0)
- return 0;
+ return 0;
}
}
- dev_err(&dev->adev->dev,
+ dev_err(&priv->adev->dev,
"flushing operation timed out giving up after %d attempts",
LOOP_ATTEMPTS);
@@ -245,45 +245,45 @@ static int flush_i2c_fifo(struct nmk_i2c_dev *dev)
/**
* disable_all_interrupts() - Disable all interrupts of this I2c Bus
- * @dev: private data of I2C Driver
+ * @priv: private data of I2C Driver
*/
-static void disable_all_interrupts(struct nmk_i2c_dev *dev)
+static void disable_all_interrupts(struct nmk_i2c_dev *priv)
{
u32 mask = IRQ_MASK(0);
- writel(mask, dev->virtbase + I2C_IMSCR);
+ writel(mask, priv->virtbase + I2C_IMSCR);
}
/**
* clear_all_interrupts() - Clear all interrupts of I2C Controller
- * @dev: private data of I2C Driver
+ * @priv: private data of I2C Driver
*/
-static void clear_all_interrupts(struct nmk_i2c_dev *dev)
+static void clear_all_interrupts(struct nmk_i2c_dev *priv)
{
u32 mask;
mask = IRQ_MASK(I2C_CLEAR_ALL_INTS);
- writel(mask, dev->virtbase + I2C_ICR);
+ writel(mask, priv->virtbase + I2C_ICR);
}
/**
* init_hw() - initialize the I2C hardware
- * @dev: private data of I2C Driver
+ * @priv: private data of I2C Driver
*/
-static int init_hw(struct nmk_i2c_dev *dev)
+static int init_hw(struct nmk_i2c_dev *priv)
{
int stat;
- stat = flush_i2c_fifo(dev);
+ stat = flush_i2c_fifo(priv);
if (stat)
goto exit;
/* disable the controller */
- i2c_clr_bit(dev->virtbase + I2C_CR, I2C_CR_PE);
+ i2c_clr_bit(priv->virtbase + I2C_CR, I2C_CR_PE);
- disable_all_interrupts(dev);
+ disable_all_interrupts(priv);
- clear_all_interrupts(dev);
+ clear_all_interrupts(priv);
- dev->cli.operation = I2C_NO_OPERATION;
+ priv->cli.operation = I2C_NO_OPERATION;
exit:
return stat;
@@ -294,15 +294,15 @@ static int init_hw(struct nmk_i2c_dev *dev)
/**
* load_i2c_mcr_reg() - load the MCR register
- * @dev: private data of controller
+ * @priv: private data of controller
* @flags: message flags
*/
-static u32 load_i2c_mcr_reg(struct nmk_i2c_dev *dev, u16 flags)
+static u32 load_i2c_mcr_reg(struct nmk_i2c_dev *priv, u16 flags)
{
u32 mcr = 0;
unsigned short slave_adr_3msb_bits;
- mcr |= GEN_MASK(dev->cli.slave_adr, I2C_MCR_A7, 1);
+ mcr |= GEN_MASK(priv->cli.slave_adr, I2C_MCR_A7, 1);
if (unlikely(flags & I2C_M_TEN)) {
/* 10-bit address transaction */
@@ -313,7 +313,7 @@ static u32 load_i2c_mcr_reg(struct nmk_i2c_dev *dev, u16 flags)
* the extension (MSB bits) of the 7 bit address loaded
* in A7
*/
- slave_adr_3msb_bits = (dev->cli.slave_adr >> 7) & 0x7;
+ slave_adr_3msb_bits = (priv->cli.slave_adr >> 7) & 0x7;
mcr |= GEN_MASK(slave_adr_3msb_bits, I2C_MCR_EA10, 8);
} else {
@@ -325,40 +325,40 @@ static u32 load_i2c_mcr_reg(struct nmk_i2c_dev *dev, u16 flags)
mcr |= GEN_MASK(0, I2C_MCR_SB, 11);
/* check the operation, master read/write? */
- if (dev->cli.operation == I2C_WRITE)
+ if (priv->cli.operation == I2C_WRITE)
mcr |= GEN_MASK(I2C_WRITE, I2C_MCR_OP, 0);
else
mcr |= GEN_MASK(I2C_READ, I2C_MCR_OP, 0);
/* stop or repeated start? */
- if (dev->stop)
+ if (priv->stop)
mcr |= GEN_MASK(1, I2C_MCR_STOP, 14);
else
mcr &= ~(GEN_MASK(1, I2C_MCR_STOP, 14));
- mcr |= GEN_MASK(dev->cli.count, I2C_MCR_LENGTH, 15);
+ mcr |= GEN_MASK(priv->cli.count, I2C_MCR_LENGTH, 15);
return mcr;
}
/**
* setup_i2c_controller() - setup the controller
- * @dev: private data of controller
+ * @priv: private data of controller
*/
-static void setup_i2c_controller(struct nmk_i2c_dev *dev)
+static void setup_i2c_controller(struct nmk_i2c_dev *priv)
{
u32 brcr1, brcr2;
u32 i2c_clk, div;
u32 ns;
u16 slsu;
- writel(0x0, dev->virtbase + I2C_CR);
- writel(0x0, dev->virtbase + I2C_HSMCR);
- writel(0x0, dev->virtbase + I2C_TFTR);
- writel(0x0, dev->virtbase + I2C_RFTR);
- writel(0x0, dev->virtbase + I2C_DMAR);
+ writel(0x0, priv->virtbase + I2C_CR);
+ writel(0x0, priv->virtbase + I2C_HSMCR);
+ writel(0x0, priv->virtbase + I2C_TFTR);
+ writel(0x0, priv->virtbase + I2C_RFTR);
+ writel(0x0, priv->virtbase + I2C_DMAR);
- i2c_clk = clk_get_rate(dev->clk);
+ i2c_clk = clk_get_rate(priv->clk);
/*
* set the slsu:
@@ -373,7 +373,7 @@ static void setup_i2c_controller(struct nmk_i2c_dev *dev)
* slsu = cycles / (1000000000 / f) + 1
*/
ns = DIV_ROUND_UP_ULL(1000000000ULL, i2c_clk);
- switch (dev->sm) {
+ switch (priv->sm) {
case I2C_FREQ_MODE_FAST:
case I2C_FREQ_MODE_FAST_PLUS:
slsu = DIV_ROUND_UP(100, ns); /* Fast */
@@ -388,15 +388,15 @@ static void setup_i2c_controller(struct nmk_i2c_dev *dev)
}
slsu += 1;
- dev_dbg(&dev->adev->dev, "calculated SLSU = %04x\n", slsu);
- writel(slsu << 16, dev->virtbase + I2C_SCR);
+ dev_dbg(&priv->adev->dev, "calculated SLSU = %04x\n", slsu);
+ writel(slsu << 16, priv->virtbase + I2C_SCR);
/*
* The spec says, in case of std. mode the divider is
* 2 whereas it is 3 for fast and fastplus mode of
* operation. TODO - high speed support.
*/
- div = (dev->clk_freq > I2C_MAX_STANDARD_MODE_FREQ) ? 3 : 2;
+ div = (priv->clk_freq > I2C_MAX_STANDARD_MODE_FREQ) ? 3 : 2;
/*
* generate the mask for baud rate counters. The controller
@@ -406,10 +406,10 @@ static void setup_i2c_controller(struct nmk_i2c_dev *dev)
* so set brcr1 to 0.
*/
brcr1 = 0 << 16;
- brcr2 = (i2c_clk/(dev->clk_freq * div)) & 0xffff;
+ brcr2 = (i2c_clk / (priv->clk_freq * div)) & 0xffff;
/* set the baud rate counter register */
- writel((brcr1 | brcr2), dev->virtbase + I2C_BRCR);
+ writel((brcr1 | brcr2), priv->virtbase + I2C_BRCR);
/*
* set the speed mode. Currently we support
@@ -417,125 +417,124 @@ static void setup_i2c_controller(struct nmk_i2c_dev *dev)
* TODO - support for fast mode plus (up to 1Mb/s)
* and high speed (up to 3.4 Mb/s)
*/
- if (dev->sm > I2C_FREQ_MODE_FAST) {
- dev_err(&dev->adev->dev,
+ if (priv->sm > I2C_FREQ_MODE_FAST) {
+ dev_err(&priv->adev->dev,
"do not support this mode defaulting to std. mode\n");
brcr2 = i2c_clk / (I2C_MAX_STANDARD_MODE_FREQ * 2) & 0xffff;
- writel((brcr1 | brcr2), dev->virtbase + I2C_BRCR);
+ writel((brcr1 | brcr2), priv->virtbase + I2C_BRCR);
writel(I2C_FREQ_MODE_STANDARD << 4,
- dev->virtbase + I2C_CR);
+ priv->virtbase + I2C_CR);
}
- writel(dev->sm << 4, dev->virtbase + I2C_CR);
+ writel(priv->sm << 4, priv->virtbase + I2C_CR);
/* set the Tx and Rx FIFO threshold */
- writel(dev->tft, dev->virtbase + I2C_TFTR);
- writel(dev->rft, dev->virtbase + I2C_RFTR);
+ writel(priv->tft, priv->virtbase + I2C_TFTR);
+ writel(priv->rft, priv->virtbase + I2C_RFTR);
}
/**
* read_i2c() - Read from I2C client device
- * @dev: private data of I2C Driver
+ * @priv: private data of I2C Driver
* @flags: message flags
*
* This function reads from i2c client device when controller is in
* master mode. There is a completion timeout. If there is no transfer
* before timeout error is returned.
*/
-static int read_i2c(struct nmk_i2c_dev *dev, u16 flags)
+static int read_i2c(struct nmk_i2c_dev *priv, u16 flags)
{
int status = 0;
u32 mcr, irq_mask;
unsigned long timeout;
- mcr = load_i2c_mcr_reg(dev, flags);
- writel(mcr, dev->virtbase + I2C_MCR);
+ mcr = load_i2c_mcr_reg(priv, flags);
+ writel(mcr, priv->virtbase + I2C_MCR);
/* load the current CR value */
- writel(readl(dev->virtbase + I2C_CR) | DEFAULT_I2C_REG_CR,
- dev->virtbase + I2C_CR);
+ writel(readl(priv->virtbase + I2C_CR) | DEFAULT_I2C_REG_CR,
+ priv->virtbase + I2C_CR);
/* enable the controller */
- i2c_set_bit(dev->virtbase + I2C_CR, I2C_CR_PE);
+ i2c_set_bit(priv->virtbase + I2C_CR, I2C_CR_PE);
- init_completion(&dev->xfer_complete);
+ init_completion(&priv->xfer_complete);
/* enable interrupts by setting the mask */
irq_mask = (I2C_IT_RXFNF | I2C_IT_RXFF |
I2C_IT_MAL | I2C_IT_BERR);
- if (dev->stop || !dev->vendor->has_mtdws)
+ if (priv->stop || !priv->vendor->has_mtdws)
irq_mask |= I2C_IT_MTD;
else
irq_mask |= I2C_IT_MTDWS;
irq_mask = I2C_CLEAR_ALL_INTS & IRQ_MASK(irq_mask);
- writel(readl(dev->virtbase + I2C_IMSCR) | irq_mask,
- dev->virtbase + I2C_IMSCR);
+ writel(readl(priv->virtbase + I2C_IMSCR) | irq_mask,
+ priv->virtbase + I2C_IMSCR);
timeout = wait_for_completion_timeout(
- &dev->xfer_complete, dev->adap.timeout);
+ &priv->xfer_complete, priv->adap.timeout);
if (timeout == 0) {
/* Controller timed out */
- dev_err(&dev->adev->dev, "read from slave 0x%x timed out\n",
- dev->cli.slave_adr);
+ dev_err(&priv->adev->dev, "read from slave 0x%x timed out\n",
+ priv->cli.slave_adr);
status = -ETIMEDOUT;
}
return status;
}
-static void fill_tx_fifo(struct nmk_i2c_dev *dev, int no_bytes)
+static void fill_tx_fifo(struct nmk_i2c_dev *priv, int no_bytes)
{
int count;
for (count = (no_bytes - 2);
(count > 0) &&
- (dev->cli.count != 0);
+ (priv->cli.count != 0);
count--) {
/* write to the Tx FIFO */
- writeb(*dev->cli.buffer,
- dev->virtbase + I2C_TFR);
- dev->cli.buffer++;
- dev->cli.count--;
- dev->cli.xfer_bytes++;
+ writeb(*priv->cli.buffer, priv->virtbase + I2C_TFR);
+ priv->cli.buffer++;
+ priv->cli.count--;
+ priv->cli.xfer_bytes++;
}
}
/**
* write_i2c() - Write data to I2C client.
- * @dev: private data of I2C Driver
+ * @priv: private data of I2C Driver
* @flags: message flags
*
* This function writes data to I2C client
*/
-static int write_i2c(struct nmk_i2c_dev *dev, u16 flags)
+static int write_i2c(struct nmk_i2c_dev *priv, u16 flags)
{
u32 status = 0;
u32 mcr, irq_mask;
unsigned long timeout;
- mcr = load_i2c_mcr_reg(dev, flags);
+ mcr = load_i2c_mcr_reg(priv, flags);
- writel(mcr, dev->virtbase + I2C_MCR);
+ writel(mcr, priv->virtbase + I2C_MCR);
/* load the current CR value */
- writel(readl(dev->virtbase + I2C_CR) | DEFAULT_I2C_REG_CR,
- dev->virtbase + I2C_CR);
+ writel(readl(priv->virtbase + I2C_CR) | DEFAULT_I2C_REG_CR,
+ priv->virtbase + I2C_CR);
/* enable the controller */
- i2c_set_bit(dev->virtbase + I2C_CR, I2C_CR_PE);
+ i2c_set_bit(priv->virtbase + I2C_CR, I2C_CR_PE);
- init_completion(&dev->xfer_complete);
+ init_completion(&priv->xfer_complete);
/* enable interrupts by settings the masks */
irq_mask = (I2C_IT_TXFOVR | I2C_IT_MAL | I2C_IT_BERR);
/* Fill the TX FIFO with transmit data */
- fill_tx_fifo(dev, MAX_I2C_FIFO_THRESHOLD);
+ fill_tx_fifo(priv, MAX_I2C_FIFO_THRESHOLD);
- if (dev->cli.count != 0)
+ if (priv->cli.count != 0)
irq_mask |= I2C_IT_TXFNE;
/*
@@ -543,23 +542,23 @@ static int write_i2c(struct nmk_i2c_dev *dev, u16 flags)
* set the MTDWS bit (Master Transaction Done Without Stop)
* to start repeated start operation
*/
- if (dev->stop || !dev->vendor->has_mtdws)
+ if (priv->stop || !priv->vendor->has_mtdws)
irq_mask |= I2C_IT_MTD;
else
irq_mask |= I2C_IT_MTDWS;
irq_mask = I2C_CLEAR_ALL_INTS & IRQ_MASK(irq_mask);
- writel(readl(dev->virtbase + I2C_IMSCR) | irq_mask,
- dev->virtbase + I2C_IMSCR);
+ writel(readl(priv->virtbase + I2C_IMSCR) | irq_mask,
+ priv->virtbase + I2C_IMSCR);
timeout = wait_for_completion_timeout(
- &dev->xfer_complete, dev->adap.timeout);
+ &priv->xfer_complete, priv->adap.timeout);
if (timeout == 0) {
/* Controller timed out */
- dev_err(&dev->adev->dev, "write to slave 0x%x timed out\n",
- dev->cli.slave_adr);
+ dev_err(&priv->adev->dev, "write to slave 0x%x timed out\n",
+ priv->cli.slave_adr);
status = -ETIMEDOUT;
}
@@ -568,28 +567,28 @@ static int write_i2c(struct nmk_i2c_dev *dev, u16 flags)
/**
* nmk_i2c_xfer_one() - transmit a single I2C message
- * @dev: device with a message encoded into it
+ * @priv: device with a message encoded into it
* @flags: message flags
*/
-static int nmk_i2c_xfer_one(struct nmk_i2c_dev *dev, u16 flags)
+static int nmk_i2c_xfer_one(struct nmk_i2c_dev *priv, u16 flags)
{
int status;
if (flags & I2C_M_RD) {
/* read operation */
- dev->cli.operation = I2C_READ;
- status = read_i2c(dev, flags);
+ priv->cli.operation = I2C_READ;
+ status = read_i2c(priv, flags);
} else {
/* write operation */
- dev->cli.operation = I2C_WRITE;
- status = write_i2c(dev, flags);
+ priv->cli.operation = I2C_WRITE;
+ status = write_i2c(priv, flags);
}
- if (status || (dev->result)) {
+ if (status || priv->result) {
u32 i2c_sr;
u32 cause;
- i2c_sr = readl(dev->virtbase + I2C_SR);
+ i2c_sr = readl(priv->virtbase + I2C_SR);
/*
* Check if the controller I2C operation status
* is set to ABORT(11b).
@@ -597,15 +596,15 @@ static int nmk_i2c_xfer_one(struct nmk_i2c_dev *dev, u16 flags)
if (((i2c_sr >> 2) & 0x3) == 0x3) {
/* get the abort cause */
cause = (i2c_sr >> 4) & 0x7;
- dev_err(&dev->adev->dev, "%s\n",
+ dev_err(&priv->adev->dev, "%s\n",
cause >= ARRAY_SIZE(abort_causes) ?
"unknown reason" :
abort_causes[cause]);
}
- (void) init_hw(dev);
+ init_hw(priv);
- status = status ? status : dev->result;
+ status = status ? status : priv->result;
}
return status;
@@ -663,24 +662,24 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
{
int status = 0;
int i;
- struct nmk_i2c_dev *dev = i2c_get_adapdata(i2c_adap);
+ struct nmk_i2c_dev *priv = i2c_get_adapdata(i2c_adap);
int j;
- pm_runtime_get_sync(&dev->adev->dev);
+ pm_runtime_get_sync(&priv->adev->dev);
/* Attempt three times to send the message queue */
for (j = 0; j < 3; j++) {
/* setup the i2c controller */
- setup_i2c_controller(dev);
+ setup_i2c_controller(priv);
for (i = 0; i < num_msgs; i++) {
- dev->cli.slave_adr = msgs[i].addr;
- dev->cli.buffer = msgs[i].buf;
- dev->cli.count = msgs[i].len;
- dev->stop = (i < (num_msgs - 1)) ? 0 : 1;
- dev->result = 0;
+ priv->cli.slave_adr = msgs[i].addr;
+ priv->cli.buffer = msgs[i].buf;
+ priv->cli.count = msgs[i].len;
+ priv->stop = (i < (num_msgs - 1)) ? 0 : 1;
+ priv->result = 0;
- status = nmk_i2c_xfer_one(dev, msgs[i].flags);
+ status = nmk_i2c_xfer_one(priv, msgs[i].flags);
if (status != 0)
break;
}
@@ -688,7 +687,7 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
break;
}
- pm_runtime_put_sync(&dev->adev->dev);
+ pm_runtime_put_sync(&priv->adev->dev);
/* return the no. messages processed */
if (status)
@@ -699,14 +698,14 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
/**
* disable_interrupts() - disable the interrupts
- * @dev: private data of controller
+ * @priv: private data of controller
* @irq: interrupt number
*/
-static int disable_interrupts(struct nmk_i2c_dev *dev, u32 irq)
+static int disable_interrupts(struct nmk_i2c_dev *priv, u32 irq)
{
irq = IRQ_MASK(irq);
- writel(readl(dev->virtbase + I2C_IMSCR) & ~(I2C_CLEAR_ALL_INTS & irq),
- dev->virtbase + I2C_IMSCR);
+ writel(readl(priv->virtbase + I2C_IMSCR) & ~(I2C_CLEAR_ALL_INTS & irq),
+ priv->virtbase + I2C_IMSCR);
return 0;
}
@@ -723,17 +722,18 @@ static int disable_interrupts(struct nmk_i2c_dev *dev, u32 irq)
*/
static irqreturn_t i2c_irq_handler(int irq, void *arg)
{
- struct nmk_i2c_dev *dev = arg;
+ struct nmk_i2c_dev *priv = arg;
+ struct device *dev = &priv->adev->dev;
u32 tft, rft;
u32 count;
u32 misr, src;
/* load Tx FIFO and Rx FIFO threshold values */
- tft = readl(dev->virtbase + I2C_TFTR);
- rft = readl(dev->virtbase + I2C_RFTR);
+ tft = readl(priv->virtbase + I2C_TFTR);
+ rft = readl(priv->virtbase + I2C_RFTR);
/* read interrupt status register */
- misr = readl(dev->virtbase + I2C_MISR);
+ misr = readl(priv->virtbase + I2C_MISR);
src = __ffs(misr);
switch ((1 << src)) {
@@ -741,20 +741,20 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
/* Transmit FIFO nearly empty interrupt */
case I2C_IT_TXFNE:
{
- if (dev->cli.operation == I2C_READ) {
+ if (priv->cli.operation == I2C_READ) {
/*
* in read operation why do we care for writing?
* so disable the Transmit FIFO interrupt
*/
- disable_interrupts(dev, I2C_IT_TXFNE);
+ disable_interrupts(priv, I2C_IT_TXFNE);
} else {
- fill_tx_fifo(dev, (MAX_I2C_FIFO_THRESHOLD - tft));
+ fill_tx_fifo(priv, (MAX_I2C_FIFO_THRESHOLD - tft));
/*
* if done, close the transfer by disabling the
* corresponding TXFNE interrupt
*/
- if (dev->cli.count == 0)
- disable_interrupts(dev, I2C_IT_TXFNE);
+ if (priv->cli.count == 0)
+ disable_interrupts(priv, I2C_IT_TXFNE);
}
}
break;
@@ -768,60 +768,59 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
case I2C_IT_RXFNF:
for (count = rft; count > 0; count--) {
/* Read the Rx FIFO */
- *dev->cli.buffer = readb(dev->virtbase + I2C_RFR);
- dev->cli.buffer++;
+ *priv->cli.buffer = readb(priv->virtbase + I2C_RFR);
+ priv->cli.buffer++;
}
- dev->cli.count -= rft;
- dev->cli.xfer_bytes += rft;
+ priv->cli.count -= rft;
+ priv->cli.xfer_bytes += rft;
break;
/* Rx FIFO full */
case I2C_IT_RXFF:
for (count = MAX_I2C_FIFO_THRESHOLD; count > 0; count--) {
- *dev->cli.buffer = readb(dev->virtbase + I2C_RFR);
- dev->cli.buffer++;
+ *priv->cli.buffer = readb(priv->virtbase + I2C_RFR);
+ priv->cli.buffer++;
}
- dev->cli.count -= MAX_I2C_FIFO_THRESHOLD;
- dev->cli.xfer_bytes += MAX_I2C_FIFO_THRESHOLD;
+ priv->cli.count -= MAX_I2C_FIFO_THRESHOLD;
+ priv->cli.xfer_bytes += MAX_I2C_FIFO_THRESHOLD;
break;
/* Master Transaction Done with/without stop */
case I2C_IT_MTD:
case I2C_IT_MTDWS:
- if (dev->cli.operation == I2C_READ) {
- while (!(readl(dev->virtbase + I2C_RISR)
+ if (priv->cli.operation == I2C_READ) {
+ while (!(readl(priv->virtbase + I2C_RISR)
& I2C_IT_RXFE)) {
- if (dev->cli.count == 0)
+ if (priv->cli.count == 0)
break;
- *dev->cli.buffer =
- readb(dev->virtbase + I2C_RFR);
- dev->cli.buffer++;
- dev->cli.count--;
- dev->cli.xfer_bytes++;
+ *priv->cli.buffer =
+ readb(priv->virtbase + I2C_RFR);
+ priv->cli.buffer++;
+ priv->cli.count--;
+ priv->cli.xfer_bytes++;
}
}
- disable_all_interrupts(dev);
- clear_all_interrupts(dev);
+ disable_all_interrupts(priv);
+ clear_all_interrupts(priv);
- if (dev->cli.count) {
- dev->result = -EIO;
- dev_err(&dev->adev->dev,
- "%lu bytes still remain to be xfered\n",
- dev->cli.count);
- (void) init_hw(dev);
+ if (priv->cli.count) {
+ priv->result = -EIO;
+ dev_err(dev, "%lu bytes still remain to be xfered\n",
+ priv->cli.count);
+ init_hw(priv);
}
- complete(&dev->xfer_complete);
+ complete(&priv->xfer_complete);
break;
/* Master Arbitration lost interrupt */
case I2C_IT_MAL:
- dev->result = -EIO;
- (void) init_hw(dev);
+ priv->result = -EIO;
+ init_hw(priv);
- i2c_set_bit(dev->virtbase + I2C_ICR, I2C_IT_MAL);
- complete(&dev->xfer_complete);
+ i2c_set_bit(priv->virtbase + I2C_ICR, I2C_IT_MAL);
+ complete(&priv->xfer_complete);
break;
@@ -831,13 +830,13 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
* during the transaction.
*/
case I2C_IT_BERR:
- dev->result = -EIO;
+ priv->result = -EIO;
/* get the status */
- if (((readl(dev->virtbase + I2C_SR) >> 2) & 0x3) == I2C_ABORT)
- (void) init_hw(dev);
+ if (((readl(priv->virtbase + I2C_SR) >> 2) & 0x3) == I2C_ABORT)
+ init_hw(priv);
- i2c_set_bit(dev->virtbase + I2C_ICR, I2C_IT_BERR);
- complete(&dev->xfer_complete);
+ i2c_set_bit(priv->virtbase + I2C_ICR, I2C_IT_BERR);
+ complete(&priv->xfer_complete);
break;
@@ -847,11 +846,11 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
* the Tx FIFO is full.
*/
case I2C_IT_TXFOVR:
- dev->result = -EIO;
- (void) init_hw(dev);
+ priv->result = -EIO;
+ init_hw(priv);
- dev_err(&dev->adev->dev, "Tx Fifo Over run\n");
- complete(&dev->xfer_complete);
+ dev_err(dev, "Tx Fifo Over run\n");
+ complete(&priv->xfer_complete);
break;
@@ -863,10 +862,10 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
case I2C_IT_RFSE:
case I2C_IT_WTSR:
case I2C_IT_STD:
- dev_err(&dev->adev->dev, "unhandled Interrupt\n");
+ dev_err(dev, "unhandled Interrupt\n");
break;
default:
- dev_err(&dev->adev->dev, "spurious Interrupt..\n");
+ dev_err(dev, "spurious Interrupt..\n");
break;
}
@@ -893,9 +892,9 @@ static int nmk_i2c_resume_early(struct device *dev)
static int nmk_i2c_runtime_suspend(struct device *dev)
{
struct amba_device *adev = to_amba_device(dev);
- struct nmk_i2c_dev *nmk_i2c = amba_get_drvdata(adev);
+ struct nmk_i2c_dev *priv = amba_get_drvdata(adev);
- clk_disable_unprepare(nmk_i2c->clk);
+ clk_disable_unprepare(priv->clk);
pinctrl_pm_select_idle_state(dev);
return 0;
}
@@ -903,10 +902,10 @@ static int nmk_i2c_runtime_suspend(struct device *dev)
static int nmk_i2c_runtime_resume(struct device *dev)
{
struct amba_device *adev = to_amba_device(dev);
- struct nmk_i2c_dev *nmk_i2c = amba_get_drvdata(adev);
+ struct nmk_i2c_dev *priv = amba_get_drvdata(adev);
int ret;
- ret = clk_prepare_enable(nmk_i2c->clk);
+ ret = clk_prepare_enable(priv->clk);
if (ret) {
dev_err(dev, "can't prepare_enable clock\n");
return ret;
@@ -914,9 +913,9 @@ static int nmk_i2c_runtime_resume(struct device *dev)
pinctrl_pm_select_default_state(dev);
- ret = init_hw(nmk_i2c);
+ ret = init_hw(priv);
if (ret) {
- clk_disable_unprepare(nmk_i2c->clk);
+ clk_disable_unprepare(priv->clk);
pinctrl_pm_select_idle_state(dev);
}
@@ -939,107 +938,108 @@ static const struct i2c_algorithm nmk_i2c_algo = {
};
static void nmk_i2c_of_probe(struct device_node *np,
- struct nmk_i2c_dev *nmk)
+ struct nmk_i2c_dev *priv)
{
/* Default to 100 kHz if no frequency is given in the node */
- if (of_property_read_u32(np, "clock-frequency", &nmk->clk_freq))
- nmk->clk_freq = I2C_MAX_STANDARD_MODE_FREQ;
+ if (of_property_read_u32(np, "clock-frequency", &priv->clk_freq))
+ priv->clk_freq = I2C_MAX_STANDARD_MODE_FREQ;
/* This driver only supports 'standard' and 'fast' modes of operation. */
- if (nmk->clk_freq <= I2C_MAX_STANDARD_MODE_FREQ)
- nmk->sm = I2C_FREQ_MODE_STANDARD;
+ if (priv->clk_freq <= I2C_MAX_STANDARD_MODE_FREQ)
+ priv->sm = I2C_FREQ_MODE_STANDARD;
else
- nmk->sm = I2C_FREQ_MODE_FAST;
- nmk->tft = 1; /* Tx FIFO threshold */
- nmk->rft = 8; /* Rx FIFO threshold */
- nmk->timeout = 200; /* Slave response timeout(ms) */
+ priv->sm = I2C_FREQ_MODE_FAST;
+ priv->tft = 1; /* Tx FIFO threshold */
+ priv->rft = 8; /* Rx FIFO threshold */
+ priv->timeout = 200; /* Slave response timeout(ms) */
}
static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
{
int ret = 0;
+ struct nmk_i2c_dev *priv;
struct device_node *np = adev->dev.of_node;
- struct nmk_i2c_dev *dev;
+ struct device *dev = &adev->dev;
struct i2c_adapter *adap;
struct i2c_vendor_data *vendor = id->data;
u32 max_fifo_threshold = (vendor->fifodepth / 2) - 1;
- dev = devm_kzalloc(&adev->dev, sizeof(*dev), GFP_KERNEL);
- if (!dev)
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
return -ENOMEM;
- dev->vendor = vendor;
- dev->adev = adev;
- nmk_i2c_of_probe(np, dev);
+ priv->vendor = vendor;
+ priv->adev = adev;
+ nmk_i2c_of_probe(np, priv);
- if (dev->tft > max_fifo_threshold) {
- dev_warn(&adev->dev, "requested TX FIFO threshold %u, adjusted down to %u\n",
- dev->tft, max_fifo_threshold);
- dev->tft = max_fifo_threshold;
+ if (priv->tft > max_fifo_threshold) {
+ dev_warn(dev, "requested TX FIFO threshold %u, adjusted down to %u\n",
+ priv->tft, max_fifo_threshold);
+ priv->tft = max_fifo_threshold;
}
- if (dev->rft > max_fifo_threshold) {
- dev_warn(&adev->dev, "requested RX FIFO threshold %u, adjusted down to %u\n",
- dev->rft, max_fifo_threshold);
- dev->rft = max_fifo_threshold;
+ if (priv->rft > max_fifo_threshold) {
+ dev_warn(dev, "requested RX FIFO threshold %u, adjusted down to %u\n",
+ priv->rft, max_fifo_threshold);
+ priv->rft = max_fifo_threshold;
}
- amba_set_drvdata(adev, dev);
+ amba_set_drvdata(adev, priv);
- dev->virtbase = devm_ioremap(&adev->dev, adev->res.start,
- resource_size(&adev->res));
- if (!dev->virtbase)
+ priv->virtbase = devm_ioremap(dev, adev->res.start,
+ resource_size(&adev->res));
+ if (!priv->virtbase)
return -ENOMEM;
- dev->irq = adev->irq[0];
- ret = devm_request_irq(&adev->dev, dev->irq, i2c_irq_handler, 0,
- DRIVER_NAME, dev);
+ priv->irq = adev->irq[0];
+ ret = devm_request_irq(dev, priv->irq, i2c_irq_handler, 0,
+ DRIVER_NAME, priv);
if (ret)
- return dev_err_probe(&adev->dev, ret,
- "cannot claim the irq %d\n", dev->irq);
+ return dev_err_probe(dev, ret,
+ "cannot claim the irq %d\n", priv->irq);
- dev->clk = devm_clk_get_enabled(&adev->dev, NULL);
- if (IS_ERR(dev->clk))
- return dev_err_probe(&adev->dev, PTR_ERR(dev->clk),
+ priv->clk = devm_clk_get_enabled(dev, NULL);
+ if (IS_ERR(priv->clk))
+ return dev_err_probe(dev, PTR_ERR(priv->clk),
"could enable i2c clock\n");
- init_hw(dev);
+ init_hw(priv);
- adap = &dev->adap;
+ adap = &priv->adap;
adap->dev.of_node = np;
- adap->dev.parent = &adev->dev;
+ adap->dev.parent = dev;
adap->owner = THIS_MODULE;
adap->class = I2C_CLASS_DEPRECATED;
adap->algo = &nmk_i2c_algo;
- adap->timeout = msecs_to_jiffies(dev->timeout);
+ adap->timeout = msecs_to_jiffies(priv->timeout);
snprintf(adap->name, sizeof(adap->name),
"Nomadik I2C at %pR", &adev->res);
- i2c_set_adapdata(adap, dev);
+ i2c_set_adapdata(adap, priv);
- dev_info(&adev->dev,
+ dev_info(dev,
"initialize %s on virtual base %p\n",
- adap->name, dev->virtbase);
+ adap->name, priv->virtbase);
ret = i2c_add_adapter(adap);
if (ret)
return ret;
- pm_runtime_put(&adev->dev);
+ pm_runtime_put(dev);
return 0;
}
static void nmk_i2c_remove(struct amba_device *adev)
{
- struct nmk_i2c_dev *dev = amba_get_drvdata(adev);
+ struct nmk_i2c_dev *priv = amba_get_drvdata(adev);
- i2c_del_adapter(&dev->adap);
- flush_i2c_fifo(dev);
- disable_all_interrupts(dev);
- clear_all_interrupts(dev);
+ i2c_del_adapter(&priv->adap);
+ flush_i2c_fifo(priv);
+ disable_all_interrupts(priv);
+ clear_all_interrupts(priv);
/* disable the controller */
- i2c_clr_bit(dev->virtbase + I2C_CR, I2C_CR_PE);
+ i2c_clr_bit(priv->virtbase + I2C_CR, I2C_CR_PE);
}
static struct i2c_vendor_data vendor_stn8815 = {
--
GitLab
From 2b4b90e053a29057fb05ba81acce26bddce8d404 Mon Sep 17 00:00:00 2001
From: Saurabh Sengar <ssengar@linux.microsoft.com>
Date: Sun, 3 Mar 2024 00:01:36 -0800
Subject: [PATCH 1069/2686] x86/hyperv: Use per cpu initial stack for vtl
context
Currently, the secondary CPUs in Hyper-V VTL context lack support for
parallel startup. Therefore, relying on the single initial_stack fetched
from the current task structure suffices for all vCPUs.
However, common initial_stack risks stack corruption when parallel startup
is enabled. In order to facilitate parallel startup, use the initial_stack
from the per CPU idle thread instead of the current task.
Fixes: 3be1bc2fe9d2 ("x86/hyperv: VTL support for Hyper-V")
Signed-off-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Link: https://lore.kernel.org/r/1709452896-13342-1-git-send-email-ssengar@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1709452896-13342-1-git-send-email-ssengar@linux.microsoft.com>
---
arch/x86/hyperv/hv_vtl.c | 19 +++++++++++++++----
drivers/hv/Kconfig | 1 +
2 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/arch/x86/hyperv/hv_vtl.c b/arch/x86/hyperv/hv_vtl.c
index 96e6c51515f50..92bd5a55f0937 100644
--- a/arch/x86/hyperv/hv_vtl.c
+++ b/arch/x86/hyperv/hv_vtl.c
@@ -12,6 +12,7 @@
#include <asm/i8259.h>
#include <asm/mshyperv.h>
#include <asm/realmode.h>
+#include <../kernel/smpboot.h>
extern struct boot_params boot_params;
static struct real_mode_header hv_vtl_real_mode_header;
@@ -57,7 +58,7 @@ static void hv_vtl_ap_entry(void)
((secondary_startup_64_fn)secondary_startup_64)(&boot_params, &boot_params);
}
-static int hv_vtl_bringup_vcpu(u32 target_vp_index, u64 eip_ignored)
+static int hv_vtl_bringup_vcpu(u32 target_vp_index, int cpu, u64 eip_ignored)
{
u64 status;
int ret = 0;
@@ -71,7 +72,9 @@ static int hv_vtl_bringup_vcpu(u32 target_vp_index, u64 eip_ignored)
struct ldttss_desc *ldt;
struct desc_struct *gdt;
- u64 rsp = current->thread.sp;
+ struct task_struct *idle = idle_thread_get(cpu);
+ u64 rsp = (unsigned long)idle->thread.sp;
+
u64 rip = (u64)&hv_vtl_ap_entry;
native_store_gdt(&gdt_ptr);
@@ -198,7 +201,15 @@ static int hv_vtl_apicid_to_vp_id(u32 apic_id)
static int hv_vtl_wakeup_secondary_cpu(u32 apicid, unsigned long start_eip)
{
- int vp_id;
+ int vp_id, cpu;
+
+ /* Find the logical CPU for the APIC ID */
+ for_each_present_cpu(cpu) {
+ if (arch_match_cpu_phys_id(cpu, apicid))
+ break;
+ }
+ if (cpu >= nr_cpu_ids)
+ return -EINVAL;
pr_debug("Bringing up CPU with APIC ID %d in VTL2...\n", apicid);
vp_id = hv_vtl_apicid_to_vp_id(apicid);
@@ -212,7 +223,7 @@ static int hv_vtl_wakeup_secondary_cpu(u32 apicid, unsigned long start_eip)
return -EINVAL;
}
- return hv_vtl_bringup_vcpu(vp_id, start_eip);
+ return hv_vtl_bringup_vcpu(vp_id, cpu, start_eip);
}
int __init hv_vtl_early_init(void)
diff --git a/drivers/hv/Kconfig b/drivers/hv/Kconfig
index 00242107d62e0..862c47b191afe 100644
--- a/drivers/hv/Kconfig
+++ b/drivers/hv/Kconfig
@@ -16,6 +16,7 @@ config HYPERV
config HYPERV_VTL_MODE
bool "Enable Linux to boot in VTL context"
depends on X86_64 && HYPERV
+ depends on SMP
default n
help
Virtual Secure Mode (VSM) is a set of hypervisor capabilities and
--
GitLab
From 50a339981780e233a5be88b9116a6dfd0e00231a Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Fri, 1 Mar 2024 20:21:07 +0900
Subject: [PATCH 1070/2686] kbuild: fix inconsistent indentation in top
Makefile
Commit 3b9ab248bc45 ("kbuild: use 4-space indentation when followed
by conditionals") introduced inconsistent indentation because it
deliberately touched only the conditional directives to minimize the
change set.
This commit reformats some blocks in the top Makefile so they are
consistently indented with 4 spaces.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
---
Makefile | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/Makefile b/Makefile
index d84c0fb215fda..859b0f52949e9 100644
--- a/Makefile
+++ b/Makefile
@@ -295,51 +295,51 @@ single-build :=
ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
- need-config :=
+ need-config :=
endif
endif
ifneq ($(filter $(no-sync-config-targets), $(MAKECMDGOALS)),)
ifeq ($(filter-out $(no-sync-config-targets), $(MAKECMDGOALS)),)
- may-sync-config :=
+ may-sync-config :=
endif
endif
need-compiler := $(may-sync-config)
ifneq ($(KBUILD_EXTMOD),)
- may-sync-config :=
+ may-sync-config :=
endif
ifeq ($(KBUILD_EXTMOD),)
- ifneq ($(filter %config,$(MAKECMDGOALS)),)
- config-build := 1
- ifneq ($(words $(MAKECMDGOALS)),1)
- mixed-build := 1
- endif
+ ifneq ($(filter %config,$(MAKECMDGOALS)),)
+ config-build := 1
+ ifneq ($(words $(MAKECMDGOALS)),1)
+ mixed-build := 1
endif
+ endif
endif
# We cannot build single targets and the others at the same time
ifneq ($(filter $(single-targets), $(MAKECMDGOALS)),)
- single-build := 1
+ single-build := 1
ifneq ($(filter-out $(single-targets), $(MAKECMDGOALS)),)
- mixed-build := 1
+ mixed-build := 1
endif
endif
# For "make -j clean all", "make -j mrproper defconfig all", etc.
ifneq ($(filter $(clean-targets),$(MAKECMDGOALS)),)
- ifneq ($(filter-out $(clean-targets),$(MAKECMDGOALS)),)
- mixed-build := 1
- endif
+ ifneq ($(filter-out $(clean-targets),$(MAKECMDGOALS)),)
+ mixed-build := 1
+ endif
endif
# install and modules_install need also be processed one by one
ifneq ($(filter install,$(MAKECMDGOALS)),)
- ifneq ($(filter modules_install,$(MAKECMDGOALS)),)
- mixed-build := 1
- endif
+ ifneq ($(filter modules_install,$(MAKECMDGOALS)),)
+ mixed-build := 1
+ endif
endif
ifdef mixed-build
--
GitLab
From e0492219a6d752942b054cbfbbcbc1e8ab294d26 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 3 Mar 2024 13:00:33 +0900
Subject: [PATCH 1071/2686] kconfig: link menus to a symbol
Currently, there is no direct link from (struct symbol) to (struct menu).
It is still possible to access associated menus through the P_SYMBOL
property, because property::menu is the relevant menu entry, but it
results in complex code, as seen in get_symbol_str().
Use a linked list for simpler traversal of relevant menus.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
---
scripts/kconfig/expr.h | 5 +++++
scripts/kconfig/menu.c | 4 +++-
scripts/kconfig/symbol.c | 4 ++++
3 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 3bc375f1a1cdb..0158f5eac4542 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -108,6 +108,9 @@ struct symbol {
*/
tristate visible;
+ /* config entries associated with this symbol */
+ struct list_head menus;
+
/* SYMBOL_* flags */
int flags;
@@ -222,6 +225,8 @@ struct menu {
*/
struct symbol *sym;
+ struct list_head link; /* link to symbol::menus */
+
/*
* The prompt associated with the node. This holds the prompt for a
* symbol as well as the text for a menu or comment, along with the
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 44465945d6b12..571394ed71e01 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -57,8 +57,10 @@ void menu_add_entry(struct symbol *sym)
*last_entry_ptr = menu;
last_entry_ptr = &menu->next;
current_entry = menu;
- if (sym)
+ if (sym) {
menu_add_symbol(P_SYMBOL, sym, NULL);
+ list_add_tail(&menu->link, &sym->menus);
+ }
}
struct menu *menu_add_menu(void)
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index dd5cf9727a9ae..81fe1884ef8ae 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -15,18 +15,21 @@
struct symbol symbol_yes = {
.name = "y",
.curr = { "y", yes },
+ .menus = LIST_HEAD_INIT(symbol_yes.menus),
.flags = SYMBOL_CONST|SYMBOL_VALID,
};
struct symbol symbol_mod = {
.name = "m",
.curr = { "m", mod },
+ .menus = LIST_HEAD_INIT(symbol_mod.menus),
.flags = SYMBOL_CONST|SYMBOL_VALID,
};
struct symbol symbol_no = {
.name = "n",
.curr = { "n", no },
+ .menus = LIST_HEAD_INIT(symbol_no.menus),
.flags = SYMBOL_CONST|SYMBOL_VALID,
};
@@ -838,6 +841,7 @@ struct symbol *sym_lookup(const char *name, int flags)
symbol->name = new_name;
symbol->type = S_UNKNOWN;
symbol->flags = flags;
+ INIT_LIST_HEAD(&symbol->menus);
hash_add(sym_hashtable, &symbol->node, hash);
--
GitLab
From bedf92362317adff1da6ac787b09626d30e60b00 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 3 Mar 2024 13:00:34 +0900
Subject: [PATCH 1072/2686] kconfig: use linked list in get_symbol_str() to
iterate over menus
Currently, get_symbol_str() uses a tricky approach to traverse the
associated menus.
With relevant menus now linked to the symbol using a linked list,
use list_for_each_entry() for iterating on the menus.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
---
scripts/kconfig/menu.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 571394ed71e01..840ce642ec439 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -771,6 +771,7 @@ static void get_symbol_str(struct gstr *r, struct symbol *sym,
struct list_head *head)
{
struct property *prop;
+ struct menu *menu;
if (sym && sym->name) {
str_printf(r, "Symbol: %s [=%s]\n", sym->name,
@@ -787,17 +788,17 @@ static void get_symbol_str(struct gstr *r, struct symbol *sym,
}
/* Print the definitions with prompts before the ones without */
- for_all_properties(sym, prop, P_SYMBOL) {
- if (prop->menu->prompt) {
- get_def_str(r, prop->menu);
- get_prompt_str(r, prop->menu->prompt, head);
+ list_for_each_entry(menu, &sym->menus, link) {
+ if (menu->prompt) {
+ get_def_str(r, menu);
+ get_prompt_str(r, menu->prompt, head);
}
}
- for_all_properties(sym, prop, P_SYMBOL) {
- if (!prop->menu->prompt) {
- get_def_str(r, prop->menu);
- get_dep_str(r, prop->menu->dep, " Depends on: ");
+ list_for_each_entry(menu, &sym->menus, link) {
+ if (!menu->prompt) {
+ get_def_str(r, menu);
+ get_dep_str(r, menu->dep, " Depends on: ");
}
}
--
GitLab
From c83f020973bc72d9eec65474d8c47495191aef20 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 3 Mar 2024 13:00:35 +0900
Subject: [PATCH 1073/2686] kconfig: remove named choice support
Commit 5a1aa8a1aff6 ("kconfig: add named choice group") did not provide
enough explanation regarding its benefits. A use case was found in
another project [1] sometime later, this feature has never been used in
the kernel.
[1]: https://lore.kernel.org/all/201012150034.01356.yann.morin.1998@anciens.enib.fr/
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
---
Documentation/kbuild/kconfig-language.rst | 6 +-----
scripts/kconfig/parser.y | 10 +++-------
2 files changed, 4 insertions(+), 12 deletions(-)
diff --git a/Documentation/kbuild/kconfig-language.rst b/Documentation/kbuild/kconfig-language.rst
index 0135905c0aa35..79ac2e8184f6f 100644
--- a/Documentation/kbuild/kconfig-language.rst
+++ b/Documentation/kbuild/kconfig-language.rst
@@ -393,7 +393,7 @@ of C0, which doesn't depend on M::
choices::
- "choice" [symbol]
+ "choice"
<choice options>
<choice block>
"endchoice"
@@ -412,10 +412,6 @@ the kernel, but all drivers can be compiled as modules.
A choice accepts another option "optional", which allows to set the
choice to 'n' and no entry needs to be selected.
-If no [symbol] is associated with a choice, then you can not have multiple
-definitions of that choice. If a [symbol] is associated to the choice,
-then you may define the same choice (i.e. with the same entries) in another
-place.
comment::
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index b505e43e0d025..22f616334585b 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -94,7 +94,7 @@ struct menu *current_menu, *current_entry;
%type <expr> if_expr
%type <string> end
%type <menu> if_entry menu_entry choice_entry
-%type <string> word_opt assign_val
+%type <string> assign_val
%type <flavor> assign_op
%destructor {
@@ -222,13 +222,12 @@ config_option: T_MODULES T_EOL
/* choice entry */
-choice: T_CHOICE word_opt T_EOL
+choice: T_CHOICE T_EOL
{
- struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
+ struct symbol *sym = sym_lookup(NULL, SYMBOL_CHOICE);
sym->flags |= SYMBOL_NO_WRITE;
menu_add_entry(sym);
menu_add_expr(P_CHOICE, NULL, NULL);
- free($2);
printd(DEBUG_PARSE, "%s:%d:choice\n", cur_filename, cur_lineno);
};
@@ -449,9 +448,6 @@ symbol: nonconst_symbol
| T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
;
-word_opt: /* empty */ { $$ = NULL; }
- | T_WORD
-
/* assignment statement */
assignment_stmt: T_WORD assign_op assign_val T_EOL { variable_add($1, $3, $2); free($1); free($3); }
--
GitLab
From 75b5ab134bb5f657ef7979a59106dce0657e8d87 Mon Sep 17 00:00:00 2001
From: Nathan Chancellor <nathan@kernel.org>
Date: Tue, 5 Mar 2024 15:12:47 -0700
Subject: [PATCH 1074/2686] kbuild: Move
-Wenum-{compare-conditional,enum-conversion} into W=1
Clang enables -Wenum-enum-conversion and -Wenum-compare-conditional
under -Wenum-conversion. A recent change in Clang strengthened these
warnings and they appear frequently in common builds, primarily due to
several instances in common headers but there are quite a few drivers
that have individual instances as well.
include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
509 | item];
| ~~~~
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c:955:24: warning: conditional expression between different enumeration types ('enum iwl_mac_beacon_flags' and 'enum iwl_mac_beacon_flags_v1') [-Wenum-compare-conditional]
955 | flags |= is_new_rate ? IWL_MAC_BEACON_CCK
| ^ ~~~~~~~~~~~~~~~~~~
956 | : IWL_MAC_BEACON_CCK_V1;
| ~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c:1120:21: warning: conditional expression between different enumeration types ('enum iwl_mac_beacon_flags' and 'enum iwl_mac_beacon_flags_v1') [-Wenum-compare-conditional]
1120 | 0) > 10 ?
| ^
1121 | IWL_MAC_BEACON_FILS :
| ~~~~~~~~~~~~~~~~~~~
1122 | IWL_MAC_BEACON_FILS_V1;
| ~~~~~~~~~~~~~~~~~~~~~~
Doing arithmetic between or returning two different types of enums could
be a bug, so each of the instance of the warning needs to be evaluated.
Unfortunately, as mentioned above, there are many instances of this
warning in many different configurations, which can break the build when
CONFIG_WERROR is enabled.
To avoid introducing new instances of the warnings while cleaning up the
disruption for the majority of users, disable these warnings for the
default build while leaving them on for W=1 builds.
Cc: stable@vger.kernel.org
Closes: https://github.com/ClangBuiltLinux/linux/issues/2002
Link: https://github.com/llvm/llvm-project/commit/8c2ae42b3e1c6aa7c18f873edcebff7c0b45a37e
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/Makefile.extrawarn | 2 ++
1 file changed, 2 insertions(+)
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index a9e552a1e9105..2f25a1de129d1 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -132,6 +132,8 @@ KBUILD_CFLAGS += $(call cc-disable-warning, pointer-to-enum-cast)
KBUILD_CFLAGS += -Wno-tautological-constant-out-of-range-compare
KBUILD_CFLAGS += $(call cc-disable-warning, unaligned-access)
KBUILD_CFLAGS += $(call cc-disable-warning, cast-function-type-strict)
+KBUILD_CFLAGS += -Wno-enum-compare-conditional
+KBUILD_CFLAGS += -Wno-enum-enum-conversion
endif
endif
--
GitLab
From e2bad142bb3de836c5fbb3dff704578f5a73d8e6 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Wed, 6 Mar 2024 19:42:22 +0900
Subject: [PATCH 1075/2686] kbuild: unexport abs_srctree and abs_objtree
Commit 25b146c5b8ce ("kbuild: allow Kbuild to start from any directory")
exported abs_srctree and abs_objtree to avoid recomputation after the
sub-make. However, this approach turned out to be fragile.
Commit 5fa94ceb793e ("kbuild: set correct abs_srctree and abs_objtree
for package builds") moved them above "ifneq ($(sub_make_done),1)",
eliminating the need for exporting them.
These are only needed in the top Makefile. If an absolute path is
required in sub-directories, you can use $(abspath ) or $(realpath )
as needed.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
---
Makefile | 4 ++--
rust/Makefile | 4 ++--
scripts/Makefile.package | 2 +-
tools/lib/bpf/Makefile | 2 +-
4 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/Makefile b/Makefile
index 859b0f52949e9..104e62560eed7 100644
--- a/Makefile
+++ b/Makefile
@@ -39,8 +39,8 @@ __all:
# prepare rule.
this-makefile := $(lastword $(MAKEFILE_LIST))
-export abs_srctree := $(realpath $(dir $(this-makefile)))
-export abs_objtree := $(CURDIR)
+abs_srctree := $(realpath $(dir $(this-makefile)))
+abs_objtree := $(CURDIR)
ifneq ($(sub_make_done),1)
diff --git a/rust/Makefile b/rust/Makefile
index 9d2a16cc91cb4..ae691b71d9fc6 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -100,7 +100,7 @@ rustdoc: rustdoc-core rustdoc-macros rustdoc-compiler_builtins \
-e 's:rust-logo-[0-9a-f]+\.svg:logo.svg:g' \
-e 's:favicon-[0-9a-f]+\.svg:logo.svg:g' \
-e 's:<link rel="alternate icon" type="image/png" href="[/.]+/static\.files/favicon-(16x16|32x32)-[0-9a-f]+\.png">::g' \
- -e 's:<a href="srctree/([^"]+)">:<a href="$(abs_srctree)/\1">:g'
+ -e 's:<a href="srctree/([^"]+)">:<a href="$(realpath $(srctree))/\1">:g'
$(Q)for f in $(rustdoc_output)/static.files/rustdoc-*.css; do \
echo ".logo-container > img { object-fit: contain; }" >> $$f; done
@@ -413,7 +413,7 @@ quiet_cmd_rustc_library = $(if $(skip_clippy),RUSTC,$(RUSTC_OR_CLIPPY_QUIET)) L
rust-analyzer:
$(Q)$(srctree)/scripts/generate_rust_analyzer.py \
--cfgs='core=$(core-cfgs)' --cfgs='alloc=$(alloc-cfgs)' \
- $(abs_srctree) $(abs_objtree) \
+ $(realpath $(srctree)) $(realpath $(objtree)) \
$(RUST_LIB_SRC) $(KBUILD_EXTMOD) > \
$(if $(KBUILD_EXTMOD),$(extmod_prefix),$(objtree))/rust-project.json
diff --git a/scripts/Makefile.package b/scripts/Makefile.package
index a81dfb1f51810..38653f3e81088 100644
--- a/scripts/Makefile.package
+++ b/scripts/Makefile.package
@@ -135,7 +135,7 @@ snap-pkg:
mkdir $(objtree)/snap
$(MAKE) clean
sed "s@KERNELRELEASE@$(KERNELRELEASE)@; \
- s@SRCTREE@$(abs_srctree)@" \
+ s@SRCTREE@$(realpath $(srctree))@" \
$(srctree)/scripts/package/snapcraft.template > \
$(objtree)/snap/snapcraft.yaml
cd $(objtree)/snap && \
diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index 4be7144e4803d..2cf892774346c 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -2,7 +2,7 @@
# Most of this file is copied from tools/lib/traceevent/Makefile
RM ?= rm
-srctree = $(abs_srctree)
+srctree := $(realpath $(srctree))
VERSION_SCRIPT := libbpf.map
LIBBPF_VERSION := $(shell \
--
GitLab
From 767712f91de76abd22a45184e6e3440120b8bfce Mon Sep 17 00:00:00 2001
From: Rohit Ner <rohitner@google.com>
Date: Tue, 20 Feb 2024 01:56:37 -0800
Subject: [PATCH 1076/2686] scsi: ufs: core: Fix MCQ MAC configuration
As per JEDEC Standard No. 223E Section 5.9.2, the max # active commands
value programmed by the host sw in MCQConfig.MAC should be one less than
the actual value.
Signed-off-by: Rohit Ner <rohitner@google.com>
Link: https://lore.kernel.org/r/20240220095637.2900067-1-rohitner@google.com
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Can Guo <quic_cang@quicinc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/ufs/core/ufs-mcq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c
index 8db81f1a12d5f..768bf87cd80d3 100644
--- a/drivers/ufs/core/ufs-mcq.c
+++ b/drivers/ufs/core/ufs-mcq.c
@@ -94,7 +94,7 @@ void ufshcd_mcq_config_mac(struct ufs_hba *hba, u32 max_active_cmds)
val = ufshcd_readl(hba, REG_UFS_MCQ_CFG);
val &= ~MCQ_CFG_MAC_MASK;
- val |= FIELD_PREP(MCQ_CFG_MAC_MASK, max_active_cmds);
+ val |= FIELD_PREP(MCQ_CFG_MAC_MASK, max_active_cmds - 1);
ufshcd_writel(hba, val, REG_UFS_MCQ_CFG);
}
EXPORT_SYMBOL_GPL(ufshcd_mcq_config_mac);
--
GitLab
From b8a77b9a5f9c2ba313f2beef8440b6f9f69768e7 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Thu, 29 Feb 2024 03:47:24 +0000
Subject: [PATCH 1077/2686] mtd: ubi: fix NVMEM over UBI volumes on 32-bit
systems
A compiler warning related to sizeof(int) != 8 when calling do_div()
is triggered when building on 32-bit platforms.
Address this by using integer types having a well-defined size.
Fixes: 3ce485803da1 ("mtd: ubi: provide NVMEM layer over UBI volumes")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/ubi/nvmem.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/ubi/nvmem.c b/drivers/mtd/ubi/nvmem.c
index b7a93c495d172..8aeb9c428e510 100644
--- a/drivers/mtd/ubi/nvmem.c
+++ b/drivers/mtd/ubi/nvmem.c
@@ -23,9 +23,12 @@ struct ubi_nvmem {
static int ubi_nvmem_reg_read(void *priv, unsigned int from,
void *val, size_t bytes)
{
- int err = 0, lnum = from, offs, bytes_left = bytes, to_read;
+ size_t to_read, bytes_left = bytes;
struct ubi_nvmem *unv = priv;
struct ubi_volume_desc *desc;
+ uint32_t offs;
+ uint64_t lnum = from;
+ int err = 0;
desc = ubi_open_volume(unv->ubi_num, unv->vol_id, UBI_READONLY);
if (IS_ERR(desc))
--
GitLab
From 99cfb212ef4d04515efcd88fd05cd9cdff4f9542 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Thu, 7 Mar 2024 10:45:53 +0000
Subject: [PATCH 1078/2686] scsi: target: iscsi: Remove unused variable
xfer_len
The variable 'xfer_len' is being initialized and incremented but it is
never actually referenced in any other way. The variable is redundant and
can be removed.
Cleans up clang scan build warning:
drivers/target/iscsi/iscsi_target_erl1.c:586:45: warning: variable
'xfer_len' set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240307104553.1980860-1-colin.i.king@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/target/iscsi/iscsi_target_erl1.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index 6797200211836..d9a6242264b78 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -583,7 +583,7 @@ int iscsit_dataout_datapduinorder_no_fbit(
struct iscsi_pdu *pdu)
{
int i, send_recovery_r2t = 0, recovery = 0;
- u32 length = 0, offset = 0, pdu_count = 0, xfer_len = 0;
+ u32 length = 0, offset = 0, pdu_count = 0;
struct iscsit_conn *conn = cmd->conn;
struct iscsi_pdu *first_pdu = NULL;
@@ -596,7 +596,6 @@ int iscsit_dataout_datapduinorder_no_fbit(
if (cmd->pdu_list[i].seq_no == pdu->seq_no) {
if (!first_pdu)
first_pdu = &cmd->pdu_list[i];
- xfer_len += cmd->pdu_list[i].length;
pdu_count++;
} else if (pdu_count)
break;
--
GitLab
From a57345279fd311ba679b8083feb0eec5272c7729 Mon Sep 17 00:00:00 2001
From: Xingui Yang <yangxingui@huawei.com>
Date: Thu, 7 Mar 2024 14:14:12 +0000
Subject: [PATCH 1079/2686] scsi: libsas: Add a helper
sas_get_sas_addr_and_dev_type()
Add a helper to get attached_sas_addr and device type from disc_resp.
Suggested-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Xingui Yang <yangxingui@huawei.com>
Link: https://lore.kernel.org/r/20240307141413.48049-2-yangxingui@huawei.com
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/libsas/sas_expander.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index a2204674b6808..de9dee488277c 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -1621,6 +1621,16 @@ int sas_discover_root_expander(struct domain_device *dev)
/* ---------- Domain revalidation ---------- */
+static void sas_get_sas_addr_and_dev_type(struct smp_disc_resp *disc_resp,
+ u8 *sas_addr,
+ enum sas_device_type *type)
+{
+ memcpy(sas_addr, disc_resp->disc.attached_sas_addr, SAS_ADDR_SIZE);
+ *type = to_dev_type(&disc_resp->disc);
+ if (*type == SAS_PHY_UNUSED)
+ memset(sas_addr, 0, SAS_ADDR_SIZE);
+}
+
static int sas_get_phy_discover(struct domain_device *dev,
int phy_id, struct smp_disc_resp *disc_resp)
{
@@ -1674,13 +1684,8 @@ int sas_get_phy_attached_dev(struct domain_device *dev, int phy_id,
return -ENOMEM;
res = sas_get_phy_discover(dev, phy_id, disc_resp);
- if (res == 0) {
- memcpy(sas_addr, disc_resp->disc.attached_sas_addr,
- SAS_ADDR_SIZE);
- *type = to_dev_type(&disc_resp->disc);
- if (*type == 0)
- memset(sas_addr, 0, SAS_ADDR_SIZE);
- }
+ if (res == 0)
+ sas_get_sas_addr_and_dev_type(disc_resp, sas_addr, type);
kfree(disc_resp);
return res;
}
--
GitLab
From 8e68a458bcf5b5cb9c3624598bae28f08251601f Mon Sep 17 00:00:00 2001
From: Xingui Yang <yangxingui@huawei.com>
Date: Thu, 7 Mar 2024 14:14:13 +0000
Subject: [PATCH 1080/2686] scsi: libsas: Fix disk not being scanned in after
being removed
As of commit d8649fc1c5e4 ("scsi: libsas: Do discovery on empty PHY to
update PHY info"), do discovery will send a new SMP_DISCOVER and update
phy->phy_change_count. We found that if the disk is reconnected and phy
change_count changes at this time, the disk scanning process will not be
triggered.
Therefore, call sas_set_ex_phy() to update the PHY info with the results of
the last query. And because the previous phy info will be used when calling
sas_unregister_devs_sas_addr(), sas_unregister_devs_sas_addr() should be
called before sas_set_ex_phy().
Fixes: d8649fc1c5e4 ("scsi: libsas: Do discovery on empty PHY to update PHY info")
Signed-off-by: Xingui Yang <yangxingui@huawei.com>
Link: https://lore.kernel.org/r/20240307141413.48049-3-yangxingui@huawei.com
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/libsas/sas_expander.c | 32 ++++++++++++++++++++----------
1 file changed, 22 insertions(+), 10 deletions(-)
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index de9dee488277c..5c261005b74e4 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -1945,6 +1945,7 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id,
struct expander_device *ex = &dev->ex_dev;
struct ex_phy *phy = &ex->ex_phy[phy_id];
enum sas_device_type type = SAS_PHY_UNUSED;
+ struct smp_disc_resp *disc_resp;
u8 sas_addr[SAS_ADDR_SIZE];
char msg[80] = "";
int res;
@@ -1956,33 +1957,41 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id,
SAS_ADDR(dev->sas_addr), phy_id, msg);
memset(sas_addr, 0, SAS_ADDR_SIZE);
- res = sas_get_phy_attached_dev(dev, phy_id, sas_addr, &type);
+ disc_resp = alloc_smp_resp(DISCOVER_RESP_SIZE);
+ if (!disc_resp)
+ return -ENOMEM;
+
+ res = sas_get_phy_discover(dev, phy_id, disc_resp);
switch (res) {
case SMP_RESP_NO_PHY:
phy->phy_state = PHY_NOT_PRESENT;
sas_unregister_devs_sas_addr(dev, phy_id, last);
- return res;
+ goto out_free_resp;
case SMP_RESP_PHY_VACANT:
phy->phy_state = PHY_VACANT;
sas_unregister_devs_sas_addr(dev, phy_id, last);
- return res;
+ goto out_free_resp;
case SMP_RESP_FUNC_ACC:
break;
case -ECOMM:
break;
default:
- return res;
+ goto out_free_resp;
}
+ if (res == 0)
+ sas_get_sas_addr_and_dev_type(disc_resp, sas_addr, &type);
+
if ((SAS_ADDR(sas_addr) == 0) || (res == -ECOMM)) {
phy->phy_state = PHY_EMPTY;
sas_unregister_devs_sas_addr(dev, phy_id, last);
/*
- * Even though the PHY is empty, for convenience we discover
- * the PHY to update the PHY info, like negotiated linkrate.
+ * Even though the PHY is empty, for convenience we update
+ * the PHY info, like negotiated linkrate.
*/
- sas_ex_phy_discover(dev, phy_id);
- return res;
+ if (res == 0)
+ sas_set_ex_phy(dev, phy_id, disc_resp);
+ goto out_free_resp;
} else if (SAS_ADDR(sas_addr) == SAS_ADDR(phy->attached_sas_addr) &&
dev_type_flutter(type, phy->attached_dev_type)) {
struct domain_device *ata_dev = sas_ex_to_ata(dev, phy_id);
@@ -1994,7 +2003,7 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id,
action = ", needs recovery";
pr_debug("ex %016llx phy%02d broadcast flutter%s\n",
SAS_ADDR(dev->sas_addr), phy_id, action);
- return res;
+ goto out_free_resp;
}
/* we always have to delete the old device when we went here */
@@ -2003,7 +2012,10 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id,
SAS_ADDR(phy->attached_sas_addr));
sas_unregister_devs_sas_addr(dev, phy_id, last);
- return sas_discover_new(dev, phy_id);
+ res = sas_discover_new(dev, phy_id);
+out_free_resp:
+ kfree(disc_resp);
+ return res;
}
/**
--
GitLab
From 81e2c1a0f8d3f62f4c9e80b20270aa3481c40524 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Sun, 18 Feb 2024 15:56:34 +0200
Subject: [PATCH 1081/2686] scsi: ufs: qcom: Provide default cycles_in_1us
value
The MSM8996 DT doesn't provide frequency limits for the core_clk_unipro
clock, which results in miscalculation of the cycles_in_1us value. Provide
the backwards-compatible default to support existing MSM8996 DT files.
Fixes: b4e13e1ae95e ("scsi: ufs: qcom: Add multiple frequency support for MAX_CORE_CLK_1US_CYCLES")
Cc: Nitin Rawat <quic_nitirawa@quicinc.com>
Cc: stable@vger.kernel.org # 6.7.x
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240218-msm8996-fix-ufs-v3-1-40aab49899a3@linaro.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/ufs/host/ufs-qcom.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 0aeaee1c564c5..79f8cb3777103 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -1210,8 +1210,10 @@ static int ufs_qcom_set_core_clk_ctrl(struct ufs_hba *hba, bool is_scale_up)
list_for_each_entry(clki, head, list) {
if (!IS_ERR_OR_NULL(clki->clk) &&
- !strcmp(clki->name, "core_clk_unipro")) {
- if (is_scale_up)
+ !strcmp(clki->name, "core_clk_unipro")) {
+ if (!clki->max_freq)
+ cycles_in_1us = 150; /* default for backwards compatibility */
+ else if (is_scale_up)
cycles_in_1us = ceil(clki->max_freq, (1000 * 1000));
else
cycles_in_1us = ceil(clk_get_rate(clki->clk), (1000 * 1000));
--
GitLab
From db06ae7ce9fdd3076d81588e80a2a41c3ce82765 Mon Sep 17 00:00:00 2001
From: Peter Wang <peter.wang@mediatek.com>
Date: Fri, 1 Mar 2024 11:46:10 +0800
Subject: [PATCH 1082/2686] scsi: ufs: core: Add config_scsi_dev vops comment
Add config_scsi_dev vops comment.
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20240301034610.24928-1-peter.wang@mediatek.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
include/ufs/ufshcd.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index cb2afcebbdf51..a35e12f8e68ba 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -328,6 +328,7 @@ struct ufs_pwr_mode_info {
* @op_runtime_config: called to config Operation and runtime regs Pointers
* @get_outstanding_cqs: called to get outstanding completion queues
* @config_esi: called to config Event Specific Interrupt
+ * @config_scsi_dev: called to configure SCSI device parameters
*/
struct ufs_hba_variant_ops {
const char *name;
--
GitLab
From f1fb41765d0bff77514ffeaef37bbb45608f6c62 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sat, 2 Mar 2024 13:47:22 -0300
Subject: [PATCH 1083/2686] scsi: sg: Make sg_sysfs_class constant
Since commit 43a7206b0963 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the sg_sysfs_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240302-class_cleanup-scsi-v1-1-b9096b990e27@marliere.net
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/sg.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 86210e4dd0d35..6ef6256246dfa 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1424,7 +1424,9 @@ static const struct file_operations sg_fops = {
.llseek = no_llseek,
};
-static struct class *sg_sysfs_class;
+static const struct class sg_sysfs_class = {
+ .name = "scsi_generic"
+};
static int sg_sysfs_valid = 0;
@@ -1526,7 +1528,7 @@ sg_add_device(struct device *cl_dev)
if (sg_sysfs_valid) {
struct device *sg_class_member;
- sg_class_member = device_create(sg_sysfs_class, cl_dev->parent,
+ sg_class_member = device_create(&sg_sysfs_class, cl_dev->parent,
MKDEV(SCSI_GENERIC_MAJOR,
sdp->index),
sdp, "%s", sdp->name);
@@ -1616,7 +1618,7 @@ sg_remove_device(struct device *cl_dev)
read_unlock_irqrestore(&sdp->sfd_lock, iflags);
sysfs_remove_link(&scsidp->sdev_gendev.kobj, "generic");
- device_destroy(sg_sysfs_class, MKDEV(SCSI_GENERIC_MAJOR, sdp->index));
+ device_destroy(&sg_sysfs_class, MKDEV(SCSI_GENERIC_MAJOR, sdp->index));
cdev_del(sdp->cdev);
sdp->cdev = NULL;
@@ -1687,11 +1689,9 @@ init_sg(void)
SG_MAX_DEVS, "sg");
if (rc)
return rc;
- sg_sysfs_class = class_create("scsi_generic");
- if ( IS_ERR(sg_sysfs_class) ) {
- rc = PTR_ERR(sg_sysfs_class);
+ rc = class_register(&sg_sysfs_class);
+ if (rc)
goto err_out;
- }
sg_sysfs_valid = 1;
rc = scsi_register_interface(&sg_interface);
if (0 == rc) {
@@ -1700,7 +1700,7 @@ init_sg(void)
#endif /* CONFIG_SCSI_PROC_FS */
return 0;
}
- class_destroy(sg_sysfs_class);
+ class_unregister(&sg_sysfs_class);
register_sg_sysctls();
err_out:
unregister_chrdev_region(MKDEV(SCSI_GENERIC_MAJOR, 0), SG_MAX_DEVS);
@@ -1715,7 +1715,7 @@ exit_sg(void)
remove_proc_subtree("scsi/sg", NULL);
#endif /* CONFIG_SCSI_PROC_FS */
scsi_unregister_interface(&sg_interface);
- class_destroy(sg_sysfs_class);
+ class_unregister(&sg_sysfs_class);
sg_sysfs_valid = 0;
unregister_chrdev_region(MKDEV(SCSI_GENERIC_MAJOR, 0),
SG_MAX_DEVS);
--
GitLab
From ee8dda6a7e9d28260e30ecaf8b5f27d176c8ade0 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sat, 2 Mar 2024 13:47:23 -0300
Subject: [PATCH 1084/2686] scsi: pmcraid: Make pmcraid_class constant
Since commit 43a7206b0963 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the pmcraid_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240302-class_cleanup-scsi-v1-2-b9096b990e27@marliere.net
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/pmcraid.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index e8bcc3a88732a..0614b7e366b77 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -61,7 +61,9 @@ static atomic_t pmcraid_adapter_count = ATOMIC_INIT(0);
* pmcraid_minor - minor number(s) to use
*/
static unsigned int pmcraid_major;
-static struct class *pmcraid_class;
+static const struct class pmcraid_class = {
+ .name = PMCRAID_DEVFILE,
+};
static DECLARE_BITMAP(pmcraid_minor, PMCRAID_MAX_ADAPTERS);
/*
@@ -4723,7 +4725,7 @@ static int pmcraid_setup_chrdev(struct pmcraid_instance *pinstance)
if (error)
pmcraid_release_minor(minor);
else
- device_create(pmcraid_class, NULL, MKDEV(pmcraid_major, minor),
+ device_create(&pmcraid_class, NULL, MKDEV(pmcraid_major, minor),
NULL, "%s%u", PMCRAID_DEVFILE, minor);
return error;
}
@@ -4739,7 +4741,7 @@ static int pmcraid_setup_chrdev(struct pmcraid_instance *pinstance)
static void pmcraid_release_chrdev(struct pmcraid_instance *pinstance)
{
pmcraid_release_minor(MINOR(pinstance->cdev.dev));
- device_destroy(pmcraid_class,
+ device_destroy(&pmcraid_class,
MKDEV(pmcraid_major, MINOR(pinstance->cdev.dev)));
cdev_del(&pinstance->cdev);
}
@@ -5390,10 +5392,10 @@ static int __init pmcraid_init(void)
}
pmcraid_major = MAJOR(dev);
- pmcraid_class = class_create(PMCRAID_DEVFILE);
- if (IS_ERR(pmcraid_class)) {
- error = PTR_ERR(pmcraid_class);
+ error = class_register(&pmcraid_class);
+
+ if (error) {
pmcraid_err("failed to register with sysfs, error = %x\n",
error);
goto out_unreg_chrdev;
@@ -5402,7 +5404,7 @@ static int __init pmcraid_init(void)
error = pmcraid_netlink_init();
if (error) {
- class_destroy(pmcraid_class);
+ class_unregister(&pmcraid_class);
goto out_unreg_chrdev;
}
@@ -5413,7 +5415,7 @@ static int __init pmcraid_init(void)
pmcraid_err("failed to register pmcraid driver, error = %x\n",
error);
- class_destroy(pmcraid_class);
+ class_unregister(&pmcraid_class);
pmcraid_netlink_release();
out_unreg_chrdev:
@@ -5432,7 +5434,7 @@ static void __exit pmcraid_exit(void)
unregister_chrdev_region(MKDEV(pmcraid_major, 0),
PMCRAID_MAX_ADAPTERS);
pci_unregister_driver(&pmcraid_driver);
- class_destroy(pmcraid_class);
+ class_unregister(&pmcraid_class);
}
module_init(pmcraid_init);
--
GitLab
From a08f0eb02981ebeccc6c62833e673cc06a29393b Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sat, 2 Mar 2024 13:47:24 -0300
Subject: [PATCH 1085/2686] scsi: cxlflash: Make cxlflash_class constant
Since commit 43a7206b0963 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the cxlflash_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240302-class_cleanup-scsi-v1-3-b9096b990e27@marliere.net
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/cxlflash/main.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c
index debd369741197..e8382cc5cf23c 100644
--- a/drivers/scsi/cxlflash/main.c
+++ b/drivers/scsi/cxlflash/main.c
@@ -28,7 +28,12 @@ MODULE_AUTHOR("Manoj N. Kumar <manoj@linux.vnet.ibm.com>");
MODULE_AUTHOR("Matthew R. Ochs <mrochs@linux.vnet.ibm.com>");
MODULE_LICENSE("GPL");
-static struct class *cxlflash_class;
+static char *cxlflash_devnode(const struct device *dev, umode_t *mode);
+static const struct class cxlflash_class = {
+ .name = "cxlflash",
+ .devnode = cxlflash_devnode,
+};
+
static u32 cxlflash_major;
static DECLARE_BITMAP(cxlflash_minor, CXLFLASH_MAX_ADAPTERS);
@@ -3602,7 +3607,7 @@ static int init_chrdev(struct cxlflash_cfg *cfg)
goto err1;
}
- char_dev = device_create(cxlflash_class, NULL, devno,
+ char_dev = device_create(&cxlflash_class, NULL, devno,
NULL, "cxlflash%d", minor);
if (IS_ERR(char_dev)) {
rc = PTR_ERR(char_dev);
@@ -3880,14 +3885,12 @@ static int cxlflash_class_init(void)
cxlflash_major = MAJOR(devno);
- cxlflash_class = class_create("cxlflash");
- if (IS_ERR(cxlflash_class)) {
- rc = PTR_ERR(cxlflash_class);
+ rc = class_register(&cxlflash_class);
+ if (rc) {
pr_err("%s: class_create failed rc=%d\n", __func__, rc);
goto err;
}
- cxlflash_class->devnode = cxlflash_devnode;
out:
pr_debug("%s: returning rc=%d\n", __func__, rc);
return rc;
@@ -3903,7 +3906,7 @@ static void cxlflash_class_exit(void)
{
dev_t devno = MKDEV(cxlflash_major, 0);
- class_destroy(cxlflash_class);
+ class_unregister(&cxlflash_class);
unregister_chrdev_region(devno, CXLFLASH_MAX_ADAPTERS);
}
--
GitLab
From ac9f3ac5b86c41196bfd0c114d97db359b3bc44a Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sat, 2 Mar 2024 13:47:25 -0300
Subject: [PATCH 1086/2686] scsi: ch: Make ch_sysfs_class constant
Since commit 43a7206b0963 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the ch_sysfs_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240302-class_cleanup-scsi-v1-4-b9096b990e27@marliere.net
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/ch.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index 1befcd5b2a0f9..fa07a6f54003e 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -102,7 +102,9 @@ do { \
#define MAX_RETRIES 1
-static struct class * ch_sysfs_class;
+static const struct class ch_sysfs_class = {
+ .name = "scsi_changer",
+};
typedef struct {
struct kref ref;
@@ -930,7 +932,7 @@ static int ch_probe(struct device *dev)
mutex_init(&ch->lock);
kref_init(&ch->ref);
ch->device = sd;
- class_dev = device_create(ch_sysfs_class, dev,
+ class_dev = device_create(&ch_sysfs_class, dev,
MKDEV(SCSI_CHANGER_MAJOR, ch->minor), ch,
"s%s", ch->name);
if (IS_ERR(class_dev)) {
@@ -955,7 +957,7 @@ static int ch_probe(struct device *dev)
return 0;
destroy_dev:
- device_destroy(ch_sysfs_class, MKDEV(SCSI_CHANGER_MAJOR, ch->minor));
+ device_destroy(&ch_sysfs_class, MKDEV(SCSI_CHANGER_MAJOR, ch->minor));
put_device:
scsi_device_put(sd);
remove_idr:
@@ -974,7 +976,7 @@ static int ch_remove(struct device *dev)
dev_set_drvdata(dev, NULL);
spin_unlock(&ch_index_lock);
- device_destroy(ch_sysfs_class, MKDEV(SCSI_CHANGER_MAJOR,ch->minor));
+ device_destroy(&ch_sysfs_class, MKDEV(SCSI_CHANGER_MAJOR, ch->minor));
scsi_device_put(ch->device);
kref_put(&ch->ref, ch_destroy);
return 0;
@@ -1003,11 +1005,9 @@ static int __init init_ch_module(void)
int rc;
printk(KERN_INFO "SCSI Media Changer driver v" VERSION " \n");
- ch_sysfs_class = class_create("scsi_changer");
- if (IS_ERR(ch_sysfs_class)) {
- rc = PTR_ERR(ch_sysfs_class);
+ rc = class_register(&ch_sysfs_class);
+ if (rc)
return rc;
- }
rc = register_chrdev(SCSI_CHANGER_MAJOR,"ch",&changer_fops);
if (rc < 0) {
printk("Unable to get major %d for SCSI-Changer\n",
@@ -1022,7 +1022,7 @@ static int __init init_ch_module(void)
fail2:
unregister_chrdev(SCSI_CHANGER_MAJOR, "ch");
fail1:
- class_destroy(ch_sysfs_class);
+ class_unregister(&ch_sysfs_class);
return rc;
}
@@ -1030,7 +1030,7 @@ static void __exit exit_ch_module(void)
{
scsi_unregister_driver(&ch_template.gendrv);
unregister_chrdev(SCSI_CHANGER_MAJOR, "ch");
- class_destroy(ch_sysfs_class);
+ class_unregister(&ch_sysfs_class);
idr_destroy(&ch_index_idr);
}
--
GitLab
From 0822853d658bbfa93bb16716ab10819788ad0550 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sat, 2 Mar 2024 13:47:26 -0300
Subject: [PATCH 1087/2686] scsi: st: Make st_sysfs_class constant
Since commit 43a7206b0963 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the st_sysfs_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240302-class_cleanup-scsi-v1-5-b9096b990e27@marliere.net
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/st.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 338aa8c429682..5a9bcf8e0792e 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -87,7 +87,7 @@ static int try_rdio = 1;
static int try_wdio = 1;
static int debug_flag;
-static struct class st_sysfs_class;
+static const struct class st_sysfs_class;
static const struct attribute_group *st_dev_groups[];
static const struct attribute_group *st_drv_groups[];
@@ -4438,7 +4438,7 @@ static void scsi_tape_release(struct kref *kref)
return;
}
-static struct class st_sysfs_class = {
+static const struct class st_sysfs_class = {
.name = "scsi_tape",
.dev_groups = st_dev_groups,
};
--
GitLab
From 28d41991182c210ec1654f8af2e140ef4cc73f20 Mon Sep 17 00:00:00 2001
From: Muhammad Usama Anjum <usama.anjum@collabora.com>
Date: Mon, 4 Mar 2024 14:06:48 +0500
Subject: [PATCH 1088/2686] scsi: lpfc: Correct size for wqe for memset()
The wqe is of type lpfc_wqe128. It should be memset with the same type.
Fixes: 6c621a2229b0 ("scsi: lpfc: Separate NVMET RQ buffer posting from IO resources SGL/iocbq/context")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20240304090649.833953-1-usama.anjum@collabora.com
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Justin Tee <justintee8345@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc_nvmet.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c
index 8258b771bd009..561ced5503c63 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -1586,7 +1586,7 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba)
wqe = &nvmewqe->wqe;
/* Initialize WQE */
- memset(wqe, 0, sizeof(union lpfc_wqe));
+ memset(wqe, 0, sizeof(*wqe));
ctx_buf->iocbq->cmd_dmabuf = NULL;
spin_lock(&phba->sli4_hba.sgl_list_lock);
--
GitLab
From 16cc2ba71b9f6440805aef7f92ba0f031f79b765 Mon Sep 17 00:00:00 2001
From: Muhammad Usama Anjum <usama.anjum@collabora.com>
Date: Mon, 4 Mar 2024 14:11:19 +0500
Subject: [PATCH 1089/2686] scsi: lpfc: Correct size for cmdwqe/rspwqe for
memset()
The cmdwqe and rspwqe are of type lpfc_wqe128. They should be memset() with
the same type.
Fixes: 61910d6a5243 ("scsi: lpfc: SLI path split: Refactor CT paths")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20240304091119.847060-1-usama.anjum@collabora.com
Reviewed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc_bsg.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index d80e6e81053b0..7d5275d3a7406 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -3169,10 +3169,10 @@ lpfc_bsg_diag_loopback_run(struct bsg_job *job)
}
cmdwqe = &cmdiocbq->wqe;
- memset(cmdwqe, 0, sizeof(union lpfc_wqe));
+ memset(cmdwqe, 0, sizeof(*cmdwqe));
if (phba->sli_rev < LPFC_SLI_REV4) {
rspwqe = &rspiocbq->wqe;
- memset(rspwqe, 0, sizeof(union lpfc_wqe));
+ memset(rspwqe, 0, sizeof(*rspwqe));
}
INIT_LIST_HEAD(&head);
--
GitLab
From 4895009c4bb72f71f2e682f1e7d2c2d96e482087 Mon Sep 17 00:00:00 2001
From: Quinn Tran <qutran@marvell.com>
Date: Tue, 27 Feb 2024 22:11:17 +0530
Subject: [PATCH 1090/2686] scsi: qla2xxx: Prevent command send on chip reset
Currently IOCBs are allowed to push through while chip reset could be in
progress. During chip reset the outstanding_cmds array is cleared
twice. Once when any command on this array is returned as failed and
secondly when the array is initialize to zero. If a command is inserted on
to the array between these intervals, then the command will be lost. Check
for chip reset before sending IOCB.
Cc: stable@vger.kernel.org
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-2-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/qla2xxx/qla_init.c | 8 ++++++--
drivers/scsi/qla2xxx/qla_iocb.c | 33 +++++++++++++++++++++++++++++++--
2 files changed, 37 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index a314cfc5b263f..2f456e69da91a 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1193,8 +1193,12 @@ int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
return rval;
done_free_sp:
- /* ref: INIT */
- kref_put(&sp->cmd_kref, qla2x00_sp_release);
+ /*
+ * use qla24xx_async_gnl_sp_done to purge all pending gnl request.
+ * kref_put is call behind the scene.
+ */
+ sp->u.iocb_cmd.u.mbx.in_mb[0] = MBS_COMMAND_ERROR;
+ qla24xx_async_gnl_sp_done(sp, QLA_COMMAND_ERROR);
fcport->flags &= ~(FCF_ASYNC_SENT);
done:
fcport->flags &= ~(FCF_ASYNC_ACTIVE);
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index df90169f82440..0228c90b9fe81 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -2587,6 +2587,33 @@ void
qla2x00_sp_release(struct kref *kref)
{
struct srb *sp = container_of(kref, struct srb, cmd_kref);
+ struct scsi_qla_host *vha = sp->vha;
+
+ switch (sp->type) {
+ case SRB_CT_PTHRU_CMD:
+ /* GPSC & GFPNID use fcport->ct_desc.ct_sns for both req & rsp */
+ if (sp->u.iocb_cmd.u.ctarg.req &&
+ (!sp->fcport ||
+ sp->u.iocb_cmd.u.ctarg.req != sp->fcport->ct_desc.ct_sns)) {
+ dma_free_coherent(&vha->hw->pdev->dev,
+ sp->u.iocb_cmd.u.ctarg.req_allocated_size,
+ sp->u.iocb_cmd.u.ctarg.req,
+ sp->u.iocb_cmd.u.ctarg.req_dma);
+ sp->u.iocb_cmd.u.ctarg.req = NULL;
+ }
+ if (sp->u.iocb_cmd.u.ctarg.rsp &&
+ (!sp->fcport ||
+ sp->u.iocb_cmd.u.ctarg.rsp != sp->fcport->ct_desc.ct_sns)) {
+ dma_free_coherent(&vha->hw->pdev->dev,
+ sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
+ sp->u.iocb_cmd.u.ctarg.rsp,
+ sp->u.iocb_cmd.u.ctarg.rsp_dma);
+ sp->u.iocb_cmd.u.ctarg.rsp = NULL;
+ }
+ break;
+ default:
+ break;
+ }
sp->free(sp);
}
@@ -2692,7 +2719,7 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode,
*/
sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
if (!sp) {
- kfree(fcport);
+ qla2x00_free_fcport(fcport);
ql_log(ql_log_info, vha, 0x70e6,
"SRB allocation failed\n");
return -ENOMEM;
@@ -2747,6 +2774,7 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode,
if (rval != QLA_SUCCESS) {
/* ref: INIT */
kref_put(&sp->cmd_kref, qla2x00_sp_release);
+ qla2x00_free_fcport(fcport);
return QLA_FUNCTION_FAILED;
}
@@ -2756,6 +2784,7 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode,
fcport->d_id.b.area, fcport->d_id.b.al_pa);
wait_for_completion(&elsio->u.els_logo.comp);
+ qla2x00_free_fcport(fcport);
/* ref: INIT */
kref_put(&sp->cmd_kref, qla2x00_sp_release);
@@ -3918,7 +3947,7 @@ qla2x00_start_sp(srb_t *sp)
return -EAGAIN;
}
- pkt = __qla2x00_alloc_iocbs(sp->qpair, sp);
+ pkt = qla2x00_alloc_iocbs_ready(sp->qpair, sp);
if (!pkt) {
rval = -EAGAIN;
ql_log(ql_log_warn, vha, 0x700c,
--
GitLab
From 881eb861ca3877300570db10abbf11494e48548d Mon Sep 17 00:00:00 2001
From: Quinn Tran <qutran@marvell.com>
Date: Tue, 27 Feb 2024 22:11:18 +0530
Subject: [PATCH 1091/2686] scsi: qla2xxx: Fix N2N stuck connection
Disk failed to rediscover after chip reset error injection. The chip reset
happens at the time when a PLOGI is being sent. This causes a flag to be
left on which blocks the retry. Clear the blocking flag.
Cc: stable@vger.kernel.org
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-3-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/qla2xxx/qla_gbl.h | 2 +-
drivers/scsi/qla2xxx/qla_iocb.c | 32 +++++++++++---------------------
drivers/scsi/qla2xxx/qla_os.c | 2 +-
3 files changed, 13 insertions(+), 23 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 09cb9413670a5..7309310d2ab94 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -44,7 +44,7 @@ extern int qla2x00_fabric_login(scsi_qla_host_t *, fc_port_t *, uint16_t *);
extern int qla2x00_local_device_login(scsi_qla_host_t *, fc_port_t *);
extern int qla24xx_els_dcmd_iocb(scsi_qla_host_t *, int, port_id_t);
-extern int qla24xx_els_dcmd2_iocb(scsi_qla_host_t *, int, fc_port_t *, bool);
+extern int qla24xx_els_dcmd2_iocb(scsi_qla_host_t *, int, fc_port_t *);
extern void qla2x00_els_dcmd2_free(scsi_qla_host_t *vha,
struct els_plogi *els_plogi);
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 0228c90b9fe81..892a27afb4624 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -3041,7 +3041,7 @@ static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res)
int
qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
- fc_port_t *fcport, bool wait)
+ fc_port_t *fcport)
{
srb_t *sp;
struct srb_iocb *elsio = NULL;
@@ -3056,8 +3056,7 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
if (!sp) {
ql_log(ql_log_info, vha, 0x70e6,
"SRB allocation failed\n");
- fcport->flags &= ~FCF_ASYNC_ACTIVE;
- return -ENOMEM;
+ goto done;
}
fcport->flags |= FCF_ASYNC_SENT;
@@ -3066,9 +3065,6 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
ql_dbg(ql_dbg_io, vha, 0x3073,
"%s Enter: PLOGI portid=%06x\n", __func__, fcport->d_id.b24);
- if (wait)
- sp->flags = SRB_WAKEUP_ON_COMP;
-
sp->type = SRB_ELS_DCMD;
sp->name = "ELS_DCMD";
sp->fcport = fcport;
@@ -3084,7 +3080,7 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
if (!elsio->u.els_plogi.els_plogi_pyld) {
rval = QLA_FUNCTION_FAILED;
- goto out;
+ goto done_free_sp;
}
resp_ptr = elsio->u.els_plogi.els_resp_pyld =
@@ -3093,7 +3089,7 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
if (!elsio->u.els_plogi.els_resp_pyld) {
rval = QLA_FUNCTION_FAILED;
- goto out;
+ goto done_free_sp;
}
ql_dbg(ql_dbg_io, vha, 0x3073, "PLOGI %p %p\n", ptr, resp_ptr);
@@ -3109,7 +3105,6 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
if (els_opcode == ELS_DCMD_PLOGI && DBELL_ACTIVE(vha)) {
struct fc_els_flogi *p = ptr;
-
p->fl_csp.sp_features |= cpu_to_be16(FC_SP_FT_SEC);
}
@@ -3118,10 +3113,11 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
(uint8_t *)elsio->u.els_plogi.els_plogi_pyld,
sizeof(*elsio->u.els_plogi.els_plogi_pyld));
- init_completion(&elsio->u.els_plogi.comp);
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS) {
- rval = QLA_FUNCTION_FAILED;
+ fcport->flags |= FCF_LOGIN_NEEDED;
+ set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+ goto done_free_sp;
} else {
ql_dbg(ql_dbg_disc, vha, 0x3074,
"%s PLOGI sent, hdl=%x, loopid=%x, to port_id %06x from port_id %06x\n",
@@ -3129,21 +3125,15 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
fcport->d_id.b24, vha->d_id.b24);
}
- if (wait) {
- wait_for_completion(&elsio->u.els_plogi.comp);
-
- if (elsio->u.els_plogi.comp_status != CS_COMPLETE)
- rval = QLA_FUNCTION_FAILED;
- } else {
- goto done;
- }
+ return rval;
-out:
- fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+done_free_sp:
qla2x00_els_dcmd2_free(vha, &elsio->u.els_plogi);
/* ref: INIT */
kref_put(&sp->cmd_kref, qla2x00_sp_release);
done:
+ fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+ qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
return rval;
}
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index dd674378f2f39..b3bb974ae7978 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -5583,7 +5583,7 @@ qla2x00_do_work(struct scsi_qla_host *vha)
break;
case QLA_EVT_ELS_PLOGI:
qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
- e->u.fcport.fcport, false);
+ e->u.fcport.fcport);
break;
case QLA_EVT_SA_REPLACE:
rc = qla24xx_issue_sa_replace_iocb(vha, e);
--
GitLab
From 76a192e1a566e15365704b9f8fb3b70825f85064 Mon Sep 17 00:00:00 2001
From: Quinn Tran <qutran@marvell.com>
Date: Tue, 27 Feb 2024 22:11:19 +0530
Subject: [PATCH 1092/2686] scsi: qla2xxx: Split FCE|EFT trace control
Current code combines the allocation of FCE|EFT trace buffers and enables
the features all in 1 step.
Split this step into separate steps in preparation for follow-on patch to
allow user to have a choice to enable / disable FCE trace feature.
Cc: stable@vger.kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-4-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/qla2xxx/qla_init.c | 102 +++++++++++++-------------------
1 file changed, 41 insertions(+), 61 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 2f456e69da91a..3f5a933e60d09 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -2669,6 +2669,40 @@ qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
return rval;
}
+static void qla_enable_fce_trace(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (ha->fce) {
+ ha->flags.fce_enabled = 1;
+ memset(ha->fce, 0, fce_calc_size(ha->fce_bufs));
+ rval = qla2x00_enable_fce_trace(vha,
+ ha->fce_dma, ha->fce_bufs, ha->fce_mb, &ha->fce_bufs);
+
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x8033,
+ "Unable to reinitialize FCE (%d).\n", rval);
+ ha->flags.fce_enabled = 0;
+ }
+ }
+}
+
+static void qla_enable_eft_trace(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (ha->eft) {
+ memset(ha->eft, 0, EFT_SIZE);
+ rval = qla2x00_enable_eft_trace(vha, ha->eft_dma, EFT_NUM_BUFFERS);
+
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x8034,
+ "Unable to reinitialize EFT (%d).\n", rval);
+ }
+ }
+}
/*
* qla2x00_initialize_adapter
* Initialize board.
@@ -3672,9 +3706,8 @@ qla24xx_chip_diag(scsi_qla_host_t *vha)
}
static void
-qla2x00_init_fce_trace(scsi_qla_host_t *vha)
+qla2x00_alloc_fce_trace(scsi_qla_host_t *vha)
{
- int rval;
dma_addr_t tc_dma;
void *tc;
struct qla_hw_data *ha = vha->hw;
@@ -3703,27 +3736,17 @@ qla2x00_init_fce_trace(scsi_qla_host_t *vha)
return;
}
- rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
- ha->fce_mb, &ha->fce_bufs);
- if (rval) {
- ql_log(ql_log_warn, vha, 0x00bf,
- "Unable to initialize FCE (%d).\n", rval);
- dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, tc_dma);
- return;
- }
-
ql_dbg(ql_dbg_init, vha, 0x00c0,
"Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
- ha->flags.fce_enabled = 1;
ha->fce_dma = tc_dma;
ha->fce = tc;
+ ha->fce_bufs = FCE_NUM_BUFFERS;
}
static void
-qla2x00_init_eft_trace(scsi_qla_host_t *vha)
+qla2x00_alloc_eft_trace(scsi_qla_host_t *vha)
{
- int rval;
dma_addr_t tc_dma;
void *tc;
struct qla_hw_data *ha = vha->hw;
@@ -3748,14 +3771,6 @@ qla2x00_init_eft_trace(scsi_qla_host_t *vha)
return;
}
- rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
- if (rval) {
- ql_log(ql_log_warn, vha, 0x00c2,
- "Unable to initialize EFT (%d).\n", rval);
- dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, tc_dma);
- return;
- }
-
ql_dbg(ql_dbg_init, vha, 0x00c3,
"Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
@@ -3763,13 +3778,6 @@ qla2x00_init_eft_trace(scsi_qla_host_t *vha)
ha->eft = tc;
}
-static void
-qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
-{
- qla2x00_init_fce_trace(vha);
- qla2x00_init_eft_trace(vha);
-}
-
void
qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
{
@@ -3824,10 +3832,10 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
if (ha->tgt.atio_ring)
mq_size += ha->tgt.atio_q_length * sizeof(request_t);
- qla2x00_init_fce_trace(vha);
+ qla2x00_alloc_fce_trace(vha);
if (ha->fce)
fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
- qla2x00_init_eft_trace(vha);
+ qla2x00_alloc_eft_trace(vha);
if (ha->eft)
eft_size = EFT_SIZE;
}
@@ -4257,7 +4265,6 @@ qla2x00_setup_chip(scsi_qla_host_t *vha)
struct qla_hw_data *ha = vha->hw;
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
unsigned long flags;
- uint16_t fw_major_version;
int done_once = 0;
if (IS_P3P_TYPE(ha)) {
@@ -4324,7 +4331,6 @@ qla2x00_setup_chip(scsi_qla_host_t *vha)
goto failed;
enable_82xx_npiv:
- fw_major_version = ha->fw_major_version;
if (IS_P3P_TYPE(ha))
qla82xx_check_md_needed(vha);
else
@@ -4353,12 +4359,11 @@ qla2x00_setup_chip(scsi_qla_host_t *vha)
if (rval != QLA_SUCCESS)
goto failed;
- if (!fw_major_version && !(IS_P3P_TYPE(ha)))
- qla2x00_alloc_offload_mem(vha);
-
if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
qla2x00_alloc_fw_dump(vha);
+ qla_enable_fce_trace(vha);
+ qla_enable_eft_trace(vha);
} else {
goto failed;
}
@@ -7491,7 +7496,6 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
int
qla2x00_abort_isp(scsi_qla_host_t *vha)
{
- int rval;
uint8_t status = 0;
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *vp, *tvp;
@@ -7585,31 +7589,7 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
if (IS_QLA81XX(ha) || IS_QLA8031(ha))
qla2x00_get_fw_version(vha);
- if (ha->fce) {
- ha->flags.fce_enabled = 1;
- memset(ha->fce, 0,
- fce_calc_size(ha->fce_bufs));
- rval = qla2x00_enable_fce_trace(vha,
- ha->fce_dma, ha->fce_bufs, ha->fce_mb,
- &ha->fce_bufs);
- if (rval) {
- ql_log(ql_log_warn, vha, 0x8033,
- "Unable to reinitialize FCE "
- "(%d).\n", rval);
- ha->flags.fce_enabled = 0;
- }
- }
- if (ha->eft) {
- memset(ha->eft, 0, EFT_SIZE);
- rval = qla2x00_enable_eft_trace(vha,
- ha->eft_dma, EFT_NUM_BUFFERS);
- if (rval) {
- ql_log(ql_log_warn, vha, 0x8034,
- "Unable to reinitialize EFT "
- "(%d).\n", rval);
- }
- }
} else { /* failed the ISP abort */
vha->flags.online = 1;
if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
--
GitLab
From 688fa069fda6fce24d243cddfe0c7024428acb74 Mon Sep 17 00:00:00 2001
From: Bikash Hazarika <bhazarika@marvell.com>
Date: Tue, 27 Feb 2024 22:11:20 +0530
Subject: [PATCH 1093/2686] scsi: qla2xxx: Update manufacturer detail
Update manufacturer detail from "Marvell Semiconductor, Inc." to
"Marvell".
Cc: stable@vger.kernel.org
Signed-off-by: Bikash Hazarika <bhazarika@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-5-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/qla2xxx/qla_def.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index deb642607deb6..2f49baf131e26 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -82,7 +82,7 @@ typedef union {
#include "qla_nvme.h"
#define QLA2XXX_DRIVER_NAME "qla2xxx"
#define QLA2XXX_APIDEV "ql2xapidev"
-#define QLA2XXX_MANUFACTURER "Marvell Semiconductor, Inc."
+#define QLA2XXX_MANUFACTURER "Marvell"
/*
* We have MAILBOX_REGISTER_COUNT sized arrays in a few places,
--
GitLab
From 69aecdd410106dc3a8f543a4f7ec6379b995b8d0 Mon Sep 17 00:00:00 2001
From: Quinn Tran <qutran@marvell.com>
Date: Tue, 27 Feb 2024 22:11:21 +0530
Subject: [PATCH 1094/2686] scsi: qla2xxx: NVME|FCP prefer flag not being
honored
Changing of [FCP|NVME] prefer flag in flash has no effect on driver. For
device that supports both FCP + NVMe over the same connection, driver
continues to connect to this device using the previous successful login
mode.
On completion of flash update, adapter will be reset. Driver will
reset the prefer flag based on setting from flash.
Cc: stable@vger.kernel.org
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-6-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/qla2xxx/qla_init.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 3f5a933e60d09..8377624d76c98 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -7501,6 +7501,7 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
struct scsi_qla_host *vp, *tvp;
struct req_que *req = ha->req_q_map[0];
unsigned long flags;
+ fc_port_t *fcport;
if (vha->flags.online) {
qla2x00_abort_isp_cleanup(vha);
@@ -7569,6 +7570,15 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
"ISP Abort - ISP reg disconnect post nvmram config, exiting.\n");
return status;
}
+
+ /* User may have updated [fcp|nvme] prefer in flash */
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (NVME_PRIORITY(ha, fcport))
+ fcport->do_prli_nvme = 1;
+ else
+ fcport->do_prli_nvme = 0;
+ }
+
if (!qla2x00_restart_isp(vha)) {
clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
@@ -7639,6 +7649,14 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
atomic_inc(&vp->vref_count);
spin_unlock_irqrestore(&ha->vport_slock, flags);
+ /* User may have updated [fcp|nvme] prefer in flash */
+ list_for_each_entry(fcport, &vp->vp_fcports, list) {
+ if (NVME_PRIORITY(ha, fcport))
+ fcport->do_prli_nvme = 1;
+ else
+ fcport->do_prli_nvme = 0;
+ }
+
qla2x00_vp_abort_isp(vp);
spin_lock_irqsave(&ha->vport_slock, flags);
--
GitLab
From a27d4d0e7de305def8a5098a614053be208d1aa1 Mon Sep 17 00:00:00 2001
From: Quinn Tran <qutran@marvell.com>
Date: Tue, 27 Feb 2024 22:11:22 +0530
Subject: [PATCH 1095/2686] scsi: qla2xxx: Fix command flush on cable pull
System crash due to command failed to flush back to SCSI layer.
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
PGD 0 P4D 0
Oops: 0000 [#1] SMP NOPTI
CPU: 27 PID: 793455 Comm: kworker/u130:6 Kdump: loaded Tainted: G OE --------- - - 4.18.0-372.9.1.el8.x86_64 #1
Hardware name: HPE ProLiant DL360 Gen10/ProLiant DL360 Gen10, BIOS U32 09/03/2021
Workqueue: nvme-wq nvme_fc_connect_ctrl_work [nvme_fc]
RIP: 0010:__wake_up_common+0x4c/0x190
Code: 24 10 4d 85 c9 74 0a 41 f6 01 04 0f 85 9d 00 00 00 48 8b 43 08 48 83 c3 08 4c 8d 48 e8 49 8d 41 18 48 39 c3 0f 84 f0 00 00 00 <49> 8b 41 18 89 54 24 08 31 ed 4c 8d 70 e8 45 8b 29 41 f6 c5 04 75
RSP: 0018:ffff95f3e0cb7cd0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff8b08d3b26328 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8b08d3b26320
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffe8
R10: 0000000000000000 R11: ffff95f3e0cb7a60 R12: ffff95f3e0cb7d20
R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8b2fdf6c0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000002f1e410002 CR4: 00000000007706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
__wake_up_common_lock+0x7c/0xc0
qla_nvme_ls_req+0x355/0x4c0 [qla2xxx]
qla2xxx [0000:12:00.1]-f084:3: qlt_free_session_done: se_sess 0000000000000000 / sess ffff8ae1407ca000 from port 21:32:00:02:ac:07:ee:b8 loop_id 0x02 s_id 01:02:00 logout 1 keep 0 els_logo 0
? __nvme_fc_send_ls_req+0x260/0x380 [nvme_fc]
qla2xxx [0000:12:00.1]-207d:3: FCPort 21:32:00:02:ac:07:ee:b8 state transitioned from ONLINE to LOST - portid=010200.
? nvme_fc_send_ls_req.constprop.42+0x1a/0x45 [nvme_fc]
qla2xxx [0000:12:00.1]-2109:3: qla2x00_schedule_rport_del 21320002ac07eeb8. rport ffff8ae598122000 roles 1
? nvme_fc_connect_ctrl_work.cold.63+0x1e3/0xa7d [nvme_fc]
qla2xxx [0000:12:00.1]-f084:3: qlt_free_session_done: se_sess 0000000000000000 / sess ffff8ae14801e000 from port 21:32:01:02:ad:f7:ee:b8 loop_id 0x04 s_id 01:02:01 logout 1 keep 0 els_logo 0
? __switch_to+0x10c/0x450
? process_one_work+0x1a7/0x360
qla2xxx [0000:12:00.1]-207d:3: FCPort 21:32:01:02:ad:f7:ee:b8 state transitioned from ONLINE to LOST - portid=010201.
? worker_thread+0x1ce/0x390
? create_worker+0x1a0/0x1a0
qla2xxx [0000:12:00.1]-2109:3: qla2x00_schedule_rport_del 21320102adf7eeb8. rport ffff8ae3b2312800 roles 70
? kthread+0x10a/0x120
qla2xxx [0000:12:00.1]-2112:3: qla_nvme_unregister_remote_port: unregister remoteport on ffff8ae14801e000 21320102adf7eeb8
? set_kthread_struct+0x40/0x40
qla2xxx [0000:12:00.1]-2110:3: remoteport_delete of ffff8ae14801e000 21320102adf7eeb8 completed.
? ret_from_fork+0x1f/0x40
qla2xxx [0000:12:00.1]-f086:3: qlt_free_session_done: waiting for sess ffff8ae14801e000 logout
The system was under memory stress where driver was not able to allocate an
SRB to carry out error recovery of cable pull. The failure to flush causes
upper layer to start modifying scsi_cmnd. When the system frees up some
memory, the subsequent cable pull trigger another command flush. At this
point the driver access a null pointer when attempting to DMA unmap the
SGL.
Add a check to make sure commands are flush back on session tear down to
prevent the null pointer access.
Cc: stable@vger.kernel.org
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-7-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/qla2xxx/qla_target.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 2ef2dbac0db27..d7551b1443e4a 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1062,6 +1062,16 @@ void qlt_free_session_done(struct work_struct *work)
"%s: sess %p logout completed\n", __func__, sess);
}
+ /* check for any straggling io left behind */
+ if (!(sess->flags & FCF_FCP2_DEVICE) &&
+ qla2x00_eh_wait_for_pending_commands(sess->vha, sess->d_id.b24, 0, WAIT_TARGET)) {
+ ql_log(ql_log_warn, vha, 0x3027,
+ "IO not return. Resetting.\n");
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ qla2x00_wait_for_chip_reset(vha);
+ }
+
if (sess->logo_ack_needed) {
sess->logo_ack_needed = 0;
qla24xx_async_notify_ack(vha, sess,
--
GitLab
From e288285d47784fdcf7c81be56df7d65c6f10c58b Mon Sep 17 00:00:00 2001
From: Saurav Kashyap <skashyap@marvell.com>
Date: Tue, 27 Feb 2024 22:11:23 +0530
Subject: [PATCH 1096/2686] scsi: qla2xxx: Fix double free of the ha->vp_map
pointer
Coverity scan reported potential risk of double free of the pointer
ha->vp_map. ha->vp_map was freed in qla2x00_mem_alloc(), and again freed
in function qla2x00_mem_free(ha).
Assign NULL to vp_map and kfree take care of NULL.
Cc: stable@vger.kernel.org
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-8-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/qla2xxx/qla_os.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index b3bb974ae7978..1e2f52210f605 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -4602,6 +4602,7 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
ha->init_cb_dma = 0;
fail_free_vp_map:
kfree(ha->vp_map);
+ ha->vp_map = NULL;
fail:
ql_log(ql_log_fatal, NULL, 0x0030,
"Memory allocation failure.\n");
--
GitLab
From 82f522ae0d97119a43da53e0f729275691b9c525 Mon Sep 17 00:00:00 2001
From: Saurav Kashyap <skashyap@marvell.com>
Date: Tue, 27 Feb 2024 22:11:24 +0530
Subject: [PATCH 1097/2686] scsi: qla2xxx: Fix double free of fcport
The server was crashing after LOGO because fcport was getting freed twice.
-----------[ cut here ]-----------
kernel BUG at mm/slub.c:371!
invalid opcode: 0000 1 SMP PTI
CPU: 35 PID: 4610 Comm: bash Kdump: loaded Tainted: G OE --------- - - 4.18.0-425.3.1.el8.x86_64 #1
Hardware name: HPE ProLiant DL360 Gen10/ProLiant DL360 Gen10, BIOS U32 09/03/2021
RIP: 0010:set_freepointer.part.57+0x0/0x10
RSP: 0018:ffffb07107027d90 EFLAGS: 00010246
RAX: ffff9cb7e3150000 RBX: ffff9cb7e332b9c0 RCX: ffff9cb7e3150400
RDX: 0000000000001f37 RSI: 0000000000000000 RDI: ffff9cb7c0005500
RBP: fffff693448c5400 R08: 0000000080000000 R09: 0000000000000009
R10: 0000000000000000 R11: 0000000000132af0 R12: ffff9cb7c0005500
R13: ffff9cb7e3150000 R14: ffffffffc06990e0 R15: ffff9cb7ea85ea58
FS: 00007ff6b79c2740(0000) GS:ffff9cb8f7ec0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b426b7d700 CR3: 0000000169c18002 CR4: 00000000007706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
kfree+0x238/0x250
qla2x00_els_dcmd_sp_free+0x20/0x230 [qla2xxx]
? qla24xx_els_dcmd_iocb+0x607/0x690 [qla2xxx]
qla2x00_issue_logo+0x28c/0x2a0 [qla2xxx]
? qla2x00_issue_logo+0x28c/0x2a0 [qla2xxx]
? kernfs_fop_write+0x11e/0x1a0
Remove one of the free calls and add check for valid fcport. Also use
function qla2x00_free_fcport() instead of kfree().
Cc: stable@vger.kernel.org
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-9-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/qla2xxx/qla_iocb.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 892a27afb4624..0b41e8a066026 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -2637,7 +2637,8 @@ static void qla2x00_els_dcmd_sp_free(srb_t *sp)
{
struct srb_iocb *elsio = &sp->u.iocb_cmd;
- kfree(sp->fcport);
+ if (sp->fcport)
+ qla2x00_free_fcport(sp->fcport);
if (elsio->u.els_logo.els_logo_pyld)
dma_free_coherent(&sp->vha->hw->pdev->dev, DMA_POOL_SIZE,
@@ -2750,6 +2751,7 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode,
if (!elsio->u.els_logo.els_logo_pyld) {
/* ref: INIT */
kref_put(&sp->cmd_kref, qla2x00_sp_release);
+ qla2x00_free_fcport(fcport);
return QLA_FUNCTION_FAILED;
}
@@ -2784,7 +2786,6 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode,
fcport->d_id.b.area, fcport->d_id.b.al_pa);
wait_for_completion(&elsio->u.els_logo.comp);
- qla2x00_free_fcport(fcport);
/* ref: INIT */
kref_put(&sp->cmd_kref, qla2x00_sp_release);
--
GitLab
From b5a30840727a3e41d12a336d19f6c0716b299161 Mon Sep 17 00:00:00 2001
From: Saurav Kashyap <skashyap@marvell.com>
Date: Tue, 27 Feb 2024 22:11:25 +0530
Subject: [PATCH 1098/2686] scsi: qla2xxx: Change debug message during driver
unload
Upon driver unload, purge_mbox flag is set and the heartbeat monitor thread
detects this flag and does not send the mailbox command down to FW with a
debug message "Error detected: purge[1] eeh[0] cmd=0x0, Exiting". This
being not a real error, change the debug message.
Cc: stable@vger.kernel.org
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-10-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/qla2xxx/qla_mbx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 21ec32b4fb280..0cd6f3e148824 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -194,7 +194,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
if (ha->flags.purge_mbox || chip_reset != ha->chip_reset ||
ha->flags.eeh_busy) {
ql_log(ql_log_warn, vha, 0xd035,
- "Error detected: purge[%d] eeh[%d] cmd=0x%x, Exiting.\n",
+ "Purge mbox: purge[%d] eeh[%d] cmd=0x%x, Exiting.\n",
ha->flags.purge_mbox, ha->flags.eeh_busy, mcp->mb[0]);
rval = QLA_ABORTED;
goto premature_exit;
--
GitLab
From 591c1fdf2016d118b8fbde427b796fac13f3f070 Mon Sep 17 00:00:00 2001
From: Quinn Tran <qutran@marvell.com>
Date: Tue, 27 Feb 2024 22:11:26 +0530
Subject: [PATCH 1099/2686] scsi: qla2xxx: Delay I/O Abort on PCI error
Currently when PCI error is detected, I/O is aborted manually through the
ABORT IOCB mechanism which is not guaranteed to succeed.
Instead, wait for the OS or system to notify driver to wind down I/O
through the pci_error_handlers api. Set eeh_busy flag to pause all traffic
and wait for I/O to drain.
Cc: stable@vger.kernel.org
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-11-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/qla2xxx/qla_attr.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 44449c70a375f..76eeba435fd04 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -2741,7 +2741,13 @@ qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
return;
if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
- qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
+ /* Will wait for wind down of adapter */
+ ql_dbg(ql_dbg_aer, fcport->vha, 0x900c,
+ "%s pci offline detected (id %06x)\n", __func__,
+ fcport->d_id.b24);
+ qla_pci_set_eeh_busy(fcport->vha);
+ qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24,
+ 0, WAIT_TARGET);
return;
}
}
@@ -2763,7 +2769,11 @@ qla2x00_terminate_rport_io(struct fc_rport *rport)
vha = fcport->vha;
if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
- qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
+ /* Will wait for wind down of adapter */
+ ql_dbg(ql_dbg_aer, fcport->vha, 0x900b,
+ "%s pci offline detected (id %06x)\n", __func__,
+ fcport->d_id.b24);
+ qla_pci_set_eeh_busy(vha);
qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24,
0, WAIT_TARGET);
return;
--
GitLab
From b8260ca37930a4b007f7b662d4b501a030a4935f Mon Sep 17 00:00:00 2001
From: Nilesh Javali <njavali@marvell.com>
Date: Tue, 27 Feb 2024 22:11:27 +0530
Subject: [PATCH 1100/2686] scsi: qla2xxx: Update version to 10.02.09.200-k
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-12-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/qla2xxx/qla_version.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index d903563e969eb..7627fd807bc3e 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -6,9 +6,9 @@
/*
* Driver version
*/
-#define QLA2XXX_VERSION "10.02.09.100-k"
+#define QLA2XXX_VERSION "10.02.09.200-k"
#define QLA_DRIVER_MAJOR_VER 10
#define QLA_DRIVER_MINOR_VER 2
#define QLA_DRIVER_PATCH_VER 9
-#define QLA_DRIVER_BETA_VER 100
+#define QLA_DRIVER_BETA_VER 200
--
GitLab
From 91ddb6d0c3159bcc505bfa564d0573ae500cc2c7 Mon Sep 17 00:00:00 2001
From: Justin Tee <justin.tee@broadcom.com>
Date: Tue, 5 Mar 2024 12:04:52 -0800
Subject: [PATCH 1101/2686] scsi: lpfc: Remove unnecessary log message in
queuecommand path
Message 9038 logs when LLDD receives SCSI_PROT_NORMAL when T10 DIF
protection is configured. The event is not wrong, but the log message has
not proven useful in debugging so it is removed.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-2-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc_scsi.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 81fb766c7746e..e7bfaa0eb8110 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -5336,16 +5336,6 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd)
}
err = lpfc_bg_scsi_prep_dma_buf(phba, lpfc_cmd);
} else {
- if (vport->phba->cfg_enable_bg) {
- lpfc_printf_vlog(vport,
- KERN_INFO, LOG_SCSI_CMD,
- "9038 BLKGRD: rcvd PROT_NORMAL cmd: "
- "x%x reftag x%x cnt %u pt %x\n",
- cmnd->cmnd[0],
- scsi_prot_ref_tag(cmnd),
- scsi_logical_block_count(cmnd),
- (cmnd->cmnd[1]>>5));
- }
err = lpfc_scsi_prep_dma_buf(phba, lpfc_cmd);
}
--
GitLab
From 4ddf01f2f1504fa08b766e8cfeec558e9f8eef6c Mon Sep 17 00:00:00 2001
From: Justin Tee <justin.tee@broadcom.com>
Date: Tue, 5 Mar 2024 12:04:53 -0800
Subject: [PATCH 1102/2686] scsi: lpfc: Move NPIV's transport unregistration to
after resource clean up
There are cases after NPIV deletion where the fabric switch still believes
the NPIV is logged into the fabric. This occurs when a vport is
unregistered before the Remove All DA_ID CT and LOGO ELS are sent to the
fabric.
Currently fc_remove_host(), which calls dev_loss_tmo for all D_IDs including
the fabric D_ID, removes the last ndlp reference and frees the ndlp rport
object. This sometimes causes the race condition where the final DA_ID and
LOGO are skipped from being sent to the fabric switch.
Fix by moving the fc_remove_host() and scsi_remove_host() calls after DA_ID
and LOGO are sent.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-3-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc_vport.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index 0f79840b94986..9850080ee33d1 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -674,10 +674,6 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
lpfc_free_sysfs_attr(vport);
lpfc_debugfs_terminate(vport);
- /* Remove FC host to break driver binding. */
- fc_remove_host(shost);
- scsi_remove_host(shost);
-
/* Send the DA_ID and Fabric LOGO to cleanup Nameserver entries. */
ndlp = lpfc_findnode_did(vport, Fabric_DID);
if (!ndlp)
@@ -721,6 +717,10 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
skip_logo:
+ /* Remove FC host to break driver binding. */
+ fc_remove_host(shost);
+ scsi_remove_host(shost);
+
lpfc_cleanup(vport);
/* Remove scsi host now. The nodes are cleaned up. */
--
GitLab
From 4623713e7ade46bfc63a3eade836f566ccbcd771 Mon Sep 17 00:00:00 2001
From: Justin Tee <justin.tee@broadcom.com>
Date: Tue, 5 Mar 2024 12:04:54 -0800
Subject: [PATCH 1103/2686] scsi: lpfc: Remove IRQF_ONESHOT flag from threaded
IRQ handling
IRQF_ONESHOT is found to mask HBA generated interrupts when thread_fn is
running. As a result, some EQEs/CQEs miss timely processing resulting in
SCSI layer attempts to abort commands due to io_timeout. Abort CQEs are
also not processed leading to the observations of hangs and spam of "0748
abort handler timed out waiting for aborting I/O" log messages.
Remove the IRQF_ONESHOT flag. The cmpxchg and xchg atomic operations on
lpfc_queue->queue_claimed already protect potential parallel access to an
EQ/CQ should the thread_fn get interrupted by the primary irq handler.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-4-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc_init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 88b2e57d90c2e..3363b0db65aed 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -13055,7 +13055,7 @@ lpfc_sli4_enable_msix(struct lpfc_hba *phba)
rc = request_threaded_irq(eqhdl->irq,
&lpfc_sli4_hba_intr_handler,
&lpfc_sli4_hba_intr_handler_th,
- IRQF_ONESHOT, name, eqhdl);
+ 0, name, eqhdl);
if (rc) {
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
"0486 MSI-X fast-path (%d) "
--
GitLab
From bb011631435c705cdeddca68d5c85fd40a4320f9 Mon Sep 17 00:00:00 2001
From: Justin Tee <justin.tee@broadcom.com>
Date: Tue, 5 Mar 2024 12:04:55 -0800
Subject: [PATCH 1104/2686] scsi: lpfc: Update lpfc_ramp_down_queue_handler()
logic
Typically when an out of resource CQE status is detected, the
lpfc_ramp_down_queue_handler() logic is called to help reduce I/O load by
reducing an sdev's queue_depth.
However, the current lpfc_rampdown_queue_depth() logic does not help reduce
queue_depth. num_cmd_success is never updated and is always zero, which
means new_queue_depth will always be set to sdev->queue_depth. So,
new_queue_depth = sdev->queue_depth - new_queue_depth always sets
new_queue_depth to zero. And, scsi_change_queue_depth(sdev, 0) is
essentially a no-op.
Change the lpfc_ramp_down_queue_handler() logic to set new_queue_depth
equal to sdev->queue_depth subtracted from number of times num_rsrc_err was
incremented. If num_rsrc_err is >= sdev->queue_depth, then set
new_queue_depth equal to 1. Eventually, the frequency of Good_Status
frames will signal SCSI upper layer to auto increase the queue_depth back
to the driver default of 64 via scsi_handle_queue_ramp_up().
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-5-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc.h | 1 -
drivers/scsi/lpfc/lpfc_scsi.c | 13 ++++---------
2 files changed, 4 insertions(+), 10 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 30d20d37554f6..18cbfd371cccd 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -1333,7 +1333,6 @@ struct lpfc_hba {
struct timer_list fabric_block_timer;
unsigned long bit_flags;
atomic_t num_rsrc_err;
- atomic_t num_cmd_success;
unsigned long last_rsrc_error_time;
unsigned long last_ramp_down_time;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index e7bfaa0eb8110..fc77f19547deb 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -167,11 +167,10 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
struct Scsi_Host *shost;
struct scsi_device *sdev;
unsigned long new_queue_depth;
- unsigned long num_rsrc_err, num_cmd_success;
+ unsigned long num_rsrc_err;
int i;
num_rsrc_err = atomic_read(&phba->num_rsrc_err);
- num_cmd_success = atomic_read(&phba->num_cmd_success);
/*
* The error and success command counters are global per
@@ -186,20 +185,16 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
shost = lpfc_shost_from_vport(vports[i]);
shost_for_each_device(sdev, shost) {
- new_queue_depth =
- sdev->queue_depth * num_rsrc_err /
- (num_rsrc_err + num_cmd_success);
- if (!new_queue_depth)
- new_queue_depth = sdev->queue_depth - 1;
+ if (num_rsrc_err >= sdev->queue_depth)
+ new_queue_depth = 1;
else
new_queue_depth = sdev->queue_depth -
- new_queue_depth;
+ num_rsrc_err;
scsi_change_queue_depth(sdev, new_queue_depth);
}
}
lpfc_destroy_vport_work_array(phba, vports);
atomic_set(&phba->num_rsrc_err, 0);
- atomic_set(&phba->num_cmd_success, 0);
}
/**
--
GitLab
From d11272be497e48a8e8f980470eb6b70e92eed0ce Mon Sep 17 00:00:00 2001
From: Justin Tee <justin.tee@broadcom.com>
Date: Tue, 5 Mar 2024 12:04:56 -0800
Subject: [PATCH 1105/2686] scsi: lpfc: Replace hbalock with ndlp lock in
lpfc_nvme_unregister_port()
The ndlp object update in lpfc_nvme_unregister_port() should be protected
by the ndlp lock rather than hbalock.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-6-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc_nvme.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index 09c53b85bcb8d..c5792eaf3f64c 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -2616,9 +2616,9 @@ lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
/* No concern about the role change on the nvme remoteport.
* The transport will update it.
*/
- spin_lock_irq(&vport->phba->hbalock);
+ spin_lock_irq(&ndlp->lock);
ndlp->fc4_xpt_flags |= NVME_XPT_UNREG_WAIT;
- spin_unlock_irq(&vport->phba->hbalock);
+ spin_unlock_irq(&ndlp->lock);
/* Don't let the host nvme transport keep sending keep-alives
* on this remoteport. Vport is unloading, no recovery. The
--
GitLab
From ded20192dff31c91cef2a04f7e20e60e9bb887d3 Mon Sep 17 00:00:00 2001
From: Justin Tee <justin.tee@broadcom.com>
Date: Tue, 5 Mar 2024 12:04:57 -0800
Subject: [PATCH 1106/2686] scsi: lpfc: Release hbalock before calling
lpfc_worker_wake_up()
lpfc_worker_wake_up() calls the lpfc_work_done() routine, which takes the
hbalock. Thus, lpfc_worker_wake_up() should not be called while holding the
hbalock to avoid potential deadlock.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-7-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc_els.c | 20 ++++++++++----------
drivers/scsi/lpfc/lpfc_hbadisc.c | 5 ++---
drivers/scsi/lpfc/lpfc_sli.c | 14 +++++++-------
3 files changed, 19 insertions(+), 20 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 28e56542e0720..157a910666db2 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -4437,23 +4437,23 @@ lpfc_els_retry_delay(struct timer_list *t)
unsigned long flags;
struct lpfc_work_evt *evtp = &ndlp->els_retry_evt;
+ /* Hold a node reference for outstanding queued work */
+ if (!lpfc_nlp_get(ndlp))
+ return;
+
spin_lock_irqsave(&phba->hbalock, flags);
if (!list_empty(&evtp->evt_listp)) {
spin_unlock_irqrestore(&phba->hbalock, flags);
+ lpfc_nlp_put(ndlp);
return;
}
- /* We need to hold the node by incrementing the reference
- * count until the queued work is done
- */
- evtp->evt_arg1 = lpfc_nlp_get(ndlp);
- if (evtp->evt_arg1) {
- evtp->evt = LPFC_EVT_ELS_RETRY;
- list_add_tail(&evtp->evt_listp, &phba->work_list);
- lpfc_worker_wake_up(phba);
- }
+ evtp->evt_arg1 = ndlp;
+ evtp->evt = LPFC_EVT_ELS_RETRY;
+ list_add_tail(&evtp->evt_listp, &phba->work_list);
spin_unlock_irqrestore(&phba->hbalock, flags);
- return;
+
+ lpfc_worker_wake_up(phba);
}
/**
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index a7a2309a629fa..2ab51397f4a62 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -257,7 +257,9 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
if (evtp->evt_arg1) {
evtp->evt = LPFC_EVT_DEV_LOSS;
list_add_tail(&evtp->evt_listp, &phba->work_list);
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
lpfc_worker_wake_up(phba);
+ return;
}
spin_unlock_irqrestore(&phba->hbalock, iflags);
} else {
@@ -275,10 +277,7 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
lpfc_disc_state_machine(vport, ndlp, NULL,
NLP_EVT_DEVICE_RM);
}
-
}
-
- return;
}
/**
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 1f8a9b5945cba..030d7084e412f 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1217,9 +1217,9 @@ lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
empty = list_empty(&phba->active_rrq_list);
list_add_tail(&rrq->list, &phba->active_rrq_list);
phba->hba_flag |= HBA_RRQ_ACTIVE;
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
if (empty)
lpfc_worker_wake_up(phba);
- spin_unlock_irqrestore(&phba->hbalock, iflags);
return 0;
out:
spin_unlock_irqrestore(&phba->hbalock, iflags);
@@ -11373,18 +11373,18 @@ lpfc_sli_post_recovery_event(struct lpfc_hba *phba,
unsigned long iflags;
struct lpfc_work_evt *evtp = &ndlp->recovery_evt;
+ /* Hold a node reference for outstanding queued work */
+ if (!lpfc_nlp_get(ndlp))
+ return;
+
spin_lock_irqsave(&phba->hbalock, iflags);
if (!list_empty(&evtp->evt_listp)) {
spin_unlock_irqrestore(&phba->hbalock, iflags);
+ lpfc_nlp_put(ndlp);
return;
}
- /* Incrementing the reference count until the queued work is done. */
- evtp->evt_arg1 = lpfc_nlp_get(ndlp);
- if (!evtp->evt_arg1) {
- spin_unlock_irqrestore(&phba->hbalock, iflags);
- return;
- }
+ evtp->evt_arg1 = ndlp;
evtp->evt = LPFC_EVT_RECOVER_PORT;
list_add_tail(&evtp->evt_listp, &phba->work_list);
spin_unlock_irqrestore(&phba->hbalock, iflags);
--
GitLab
From f733a76ea0a9a84aee4ac41b81fad4d610ecbd8e Mon Sep 17 00:00:00 2001
From: Justin Tee <justin.tee@broadcom.com>
Date: Tue, 5 Mar 2024 12:04:58 -0800
Subject: [PATCH 1107/2686] scsi: lpfc: Use a dedicated lock for ras_fwlog
state
To reduce usage of and contention for hbalock, a separate dedicated lock is
used to protect ras_fwlog state.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-8-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc.h | 1 +
drivers/scsi/lpfc/lpfc_attr.c | 4 ++--
drivers/scsi/lpfc/lpfc_bsg.c | 20 ++++++++++----------
drivers/scsi/lpfc/lpfc_debugfs.c | 12 ++++++------
drivers/scsi/lpfc/lpfc_init.c | 3 +++
drivers/scsi/lpfc/lpfc_sli.c | 20 ++++++++++----------
6 files changed, 32 insertions(+), 28 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 18cbfd371cccd..98ca7df003efb 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -1437,6 +1437,7 @@ struct lpfc_hba {
struct timer_list inactive_vmid_poll;
/* RAS Support */
+ spinlock_t ras_fwlog_lock; /* do not take while holding another lock */
struct lpfc_ras_fwlog ras_fwlog;
uint32_t iocb_cnt;
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 365c7e96070bb..3c534b3cfe918 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -5865,9 +5865,9 @@ lpfc_ras_fwlog_buffsize_set(struct lpfc_hba *phba, uint val)
if (phba->cfg_ras_fwlog_func != PCI_FUNC(phba->pcidev->devfn))
return -EINVAL;
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
state = phba->ras_fwlog.state;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
if (state == REG_INPROGRESS) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "6147 RAS Logging "
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index d80e6e81053b0..fee485e470412 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -5070,12 +5070,12 @@ lpfc_bsg_get_ras_config(struct bsg_job *job)
bsg_reply->reply_data.vendor_reply.vendor_rsp;
/* Current logging state */
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
if (ras_fwlog->state == ACTIVE)
ras_reply->state = LPFC_RASLOG_STATE_RUNNING;
else
ras_reply->state = LPFC_RASLOG_STATE_STOPPED;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
ras_reply->log_level = phba->ras_fwlog.fw_loglevel;
ras_reply->log_buff_sz = phba->cfg_ras_fwlog_buffsize;
@@ -5132,13 +5132,13 @@ lpfc_bsg_set_ras_config(struct bsg_job *job)
if (action == LPFC_RASACTION_STOP_LOGGING) {
/* Check if already disabled */
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
if (ras_fwlog->state != ACTIVE) {
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
rc = -ESRCH;
goto ras_job_error;
}
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
/* Disable logging */
lpfc_ras_stop_fwlog(phba);
@@ -5149,10 +5149,10 @@ lpfc_bsg_set_ras_config(struct bsg_job *job)
* FW-logging with new log-level. Return status
* "Logging already Running" to caller.
**/
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
if (ras_fwlog->state != INACTIVE)
action_status = -EINPROGRESS;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
/* Enable logging */
rc = lpfc_sli4_ras_fwlog_init(phba, log_level,
@@ -5268,13 +5268,13 @@ lpfc_bsg_get_ras_fwlog(struct bsg_job *job)
goto ras_job_error;
/* Logging to be stopped before reading */
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
if (ras_fwlog->state == ACTIVE) {
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
rc = -EINPROGRESS;
goto ras_job_error;
}
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
if (job->request_len <
sizeof(struct fc_bsg_request) +
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index ab5af10c8a16c..a2d2b02b34187 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -2194,12 +2194,12 @@ static int lpfc_debugfs_ras_log_data(struct lpfc_hba *phba,
memset(buffer, 0, size);
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
if (phba->ras_fwlog.state != ACTIVE) {
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
return -EINVAL;
}
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
list_for_each_entry_safe(dmabuf, next,
&phba->ras_fwlog.fwlog_buff_list, list) {
@@ -2250,13 +2250,13 @@ lpfc_debugfs_ras_log_open(struct inode *inode, struct file *file)
int size;
int rc = -ENOMEM;
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
if (phba->ras_fwlog.state != ACTIVE) {
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
rc = -EINVAL;
goto out;
}
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
if (check_mul_overflow(LPFC_RAS_MIN_BUFF_POST_SIZE,
phba->cfg_ras_fwlog_buffsize, &size))
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 3363b0db65aed..c4c305472285a 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -7705,6 +7705,9 @@ lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
"NVME" : " "),
(phba->nvmet_support ? "NVMET" : " "));
+ /* ras_fwlog state */
+ spin_lock_init(&phba->ras_fwlog_lock);
+
/* Initialize the IO buffer list used by driver for SLI3 SCSI */
spin_lock_init(&phba->scsi_buf_list_get_lock);
INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get);
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 030d7084e412f..7f87046e64b72 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -6849,9 +6849,9 @@ lpfc_ras_stop_fwlog(struct lpfc_hba *phba)
{
struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog;
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
ras_fwlog->state = INACTIVE;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
/* Disable FW logging to host memory */
writel(LPFC_CTL_PDEV_CTL_DDL_RAS,
@@ -6894,9 +6894,9 @@ lpfc_sli4_ras_dma_free(struct lpfc_hba *phba)
ras_fwlog->lwpd.virt = NULL;
}
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
ras_fwlog->state = INACTIVE;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
}
/**
@@ -6998,9 +6998,9 @@ lpfc_sli4_ras_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
goto disable_ras;
}
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
ras_fwlog->state = ACTIVE;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
mempool_free(pmb, phba->mbox_mem_pool);
return;
@@ -7032,9 +7032,9 @@ lpfc_sli4_ras_fwlog_init(struct lpfc_hba *phba,
uint32_t len = 0, fwlog_buffsize, fwlog_entry_count;
int rc = 0;
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
ras_fwlog->state = INACTIVE;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
fwlog_buffsize = (LPFC_RAS_MIN_BUFF_POST_SIZE *
phba->cfg_ras_fwlog_buffsize);
@@ -7095,9 +7095,9 @@ lpfc_sli4_ras_fwlog_init(struct lpfc_hba *phba,
mbx_fwlog->u.request.lwpd.addr_lo = putPaddrLow(ras_fwlog->lwpd.phys);
mbx_fwlog->u.request.lwpd.addr_hi = putPaddrHigh(ras_fwlog->lwpd.phys);
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
ras_fwlog->state = REG_INPROGRESS;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
mbox->vport = phba->pport;
mbox->mbox_cmpl = lpfc_sli4_ras_mbox_cmpl;
--
GitLab
From 18f7fe44bc79e67eccd4c118f10aa16647d446f8 Mon Sep 17 00:00:00 2001
From: Justin Tee <justin.tee@broadcom.com>
Date: Tue, 5 Mar 2024 12:04:59 -0800
Subject: [PATCH 1108/2686] scsi: lpfc: Define lpfc_nodelist type for ctx_ndlp
ptr
In LPFC_MBOXQ_t data structure, the ctx_ndlp ptr shouldn't be defined as a
generic void *ptr. It is named ctx_ndlp and it should only be used as an
lpfc_nodelist *ptr. Due to the void* declaration, there have been abuses
of ctx_ndlp for things not related to ndlp.
So, set the ptr type for *ctx_ndlp as lpfc_nodelist. Remove all type casts
on ctx_ndlp because it is no longer a void *ptr. Convert the abuse of
ctx_ndlp for things not related to ndlps to use the void *context3 ptr.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-9-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc_bsg.c | 4 ++--
drivers/scsi/lpfc/lpfc_els.c | 10 ++++------
drivers/scsi/lpfc/lpfc_hbadisc.c | 18 +++++++++---------
drivers/scsi/lpfc/lpfc_mbox.c | 10 +++++-----
drivers/scsi/lpfc/lpfc_nportdisc.c | 6 +++---
drivers/scsi/lpfc/lpfc_sli.c | 17 ++++++++---------
drivers/scsi/lpfc/lpfc_sli.h | 10 +++++-----
7 files changed, 36 insertions(+), 39 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index fee485e470412..03605b827f3a6 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -3376,7 +3376,7 @@ lpfc_bsg_issue_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
unsigned long flags;
uint8_t *pmb, *pmb_buf;
- dd_data = pmboxq->ctx_ndlp;
+ dd_data = pmboxq->context3;
/*
* The outgoing buffer is readily referred from the dma buffer,
@@ -4875,7 +4875,7 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct bsg_job *job,
pmboxq->mbox_cmpl = lpfc_bsg_issue_mbox_cmpl;
/* setup context field to pass wait_queue pointer to wake function */
- pmboxq->ctx_ndlp = dd_data;
+ pmboxq->context3 = dd_data;
dd_data->type = TYPE_MBOX;
dd_data->set_job = job;
dd_data->context_un.mbox.pmboxq = pmboxq;
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 157a910666db2..1c0ca5de7e1e2 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -7238,7 +7238,7 @@ lpfc_get_rdp_info(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context)
goto rdp_fail;
mbox->vport = rdp_context->ndlp->vport;
mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a0;
- mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context;
+ mbox->context3 = (struct lpfc_rdp_context *)rdp_context;
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
lpfc_mbox_rsrc_cleanup(phba, mbox, MBOX_THD_UNLOCKED);
@@ -7298,7 +7298,6 @@ int lpfc_get_sfp_info_wait(struct lpfc_hba *phba,
mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
}
mbox->vport = phba->pport;
- mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context;
rc = lpfc_sli_issue_mbox_wait(phba, mbox, 30);
if (rc == MBX_NOT_FINISHED) {
@@ -7358,7 +7357,6 @@ int lpfc_get_sfp_info_wait(struct lpfc_hba *phba,
mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
}
- mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context;
rc = lpfc_sli_issue_mbox_wait(phba, mbox, 30);
if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) {
rc = 1;
@@ -7500,9 +7498,9 @@ lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
int rc;
mb = &pmb->u.mb;
- lcb_context = (struct lpfc_lcb_context *)pmb->ctx_ndlp;
+ lcb_context = (struct lpfc_lcb_context *)pmb->context3;
ndlp = lcb_context->ndlp;
- pmb->ctx_ndlp = NULL;
+ pmb->context3 = NULL;
pmb->ctx_buf = NULL;
shdr = (union lpfc_sli4_cfg_shdr *)
@@ -7642,7 +7640,7 @@ lpfc_sli4_set_beacon(struct lpfc_vport *vport,
lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
LPFC_MBOX_OPCODE_SET_BEACON_CONFIG, len,
LPFC_SLI4_MBX_EMBED);
- mbox->ctx_ndlp = (void *)lcb_context;
+ mbox->context3 = (void *)lcb_context;
mbox->vport = phba->pport;
mbox->mbox_cmpl = lpfc_els_lcb_rsp;
bf_set(lpfc_mbx_set_beacon_port_num, &mbox->u.mqe.un.beacon_config,
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 2ab51397f4a62..c1cc2850ba710 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -3851,7 +3851,7 @@ lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
struct lpfc_vport *vport = pmb->vport;
struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)pmb->ctx_buf;
- struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp;
+ struct lpfc_nodelist *ndlp = pmb->ctx_ndlp;
/* The driver calls the state machine with the pmb pointer
* but wants to make sure a stale ctx_buf isn't acted on.
@@ -4168,7 +4168,7 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
struct lpfc_vport *vport = pmb->vport;
MAILBOX_t *mb = &pmb->u.mb;
- struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp;
+ struct lpfc_nodelist *ndlp = pmb->ctx_ndlp;
pmb->ctx_ndlp = NULL;
@@ -4306,7 +4306,7 @@ void
lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
MAILBOX_t *mb = &pmb->u.mb;
- struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp;
+ struct lpfc_nodelist *ndlp = pmb->ctx_ndlp;
struct lpfc_vport *vport = pmb->vport;
int rc;
@@ -4430,7 +4430,7 @@ lpfc_mbx_cmpl_fc_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
struct lpfc_vport *vport = pmb->vport;
MAILBOX_t *mb = &pmb->u.mb;
- struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp;
+ struct lpfc_nodelist *ndlp = pmb->ctx_ndlp;
pmb->ctx_ndlp = NULL;
if (mb->mbxStatus) {
@@ -5173,7 +5173,7 @@ lpfc_nlp_logo_unreg(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
struct lpfc_vport *vport = pmb->vport;
struct lpfc_nodelist *ndlp;
- ndlp = (struct lpfc_nodelist *)(pmb->ctx_ndlp);
+ ndlp = pmb->ctx_ndlp;
if (!ndlp)
return;
lpfc_issue_els_logo(vport, ndlp, 0);
@@ -5495,7 +5495,7 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
if ((mb = phba->sli.mbox_active)) {
if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
!(mb->mbox_flag & LPFC_MBX_IMED_UNREG) &&
- (ndlp == (struct lpfc_nodelist *)mb->ctx_ndlp)) {
+ (ndlp == mb->ctx_ndlp)) {
mb->ctx_ndlp = NULL;
mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
}
@@ -5506,7 +5506,7 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) {
if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) ||
(mb->mbox_flag & LPFC_MBX_IMED_UNREG) ||
- (ndlp != (struct lpfc_nodelist *)mb->ctx_ndlp))
+ (ndlp != mb->ctx_ndlp))
continue;
mb->ctx_ndlp = NULL;
@@ -5516,7 +5516,7 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
!(mb->mbox_flag & LPFC_MBX_IMED_UNREG) &&
- (ndlp == (struct lpfc_nodelist *)mb->ctx_ndlp)) {
+ (ndlp == mb->ctx_ndlp)) {
list_del(&mb->list);
lpfc_mbox_rsrc_cleanup(phba, mb, MBOX_THD_LOCKED);
@@ -6356,7 +6356,7 @@ void
lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
MAILBOX_t *mb = &pmb->u.mb;
- struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp;
+ struct lpfc_nodelist *ndlp = pmb->ctx_ndlp;
struct lpfc_vport *vport = pmb->vport;
pmb->ctx_ndlp = NULL;
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index f7c41958036bb..d4c9a537f8343 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -2367,7 +2367,7 @@ lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
MAILBOX_t *mb;
int rc = FAILURE;
struct lpfc_rdp_context *rdp_context =
- (struct lpfc_rdp_context *)(mboxq->ctx_ndlp);
+ (struct lpfc_rdp_context *)(mboxq->context3);
mb = &mboxq->u.mb;
if (mb->mbxStatus)
@@ -2387,7 +2387,7 @@ lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
{
struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)mbox->ctx_buf;
struct lpfc_rdp_context *rdp_context =
- (struct lpfc_rdp_context *)(mbox->ctx_ndlp);
+ (struct lpfc_rdp_context *)(mbox->context3);
if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
goto error_mbox_free;
@@ -2401,7 +2401,7 @@ lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
/* Save the dma buffer for cleanup in the final completion. */
mbox->ctx_buf = mp;
mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_link_stat;
- mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context;
+ mbox->context3 = (struct lpfc_rdp_context *)rdp_context;
if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED)
goto error_mbox_free;
@@ -2418,7 +2418,7 @@ lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
int rc;
struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)(mbox->ctx_buf);
struct lpfc_rdp_context *rdp_context =
- (struct lpfc_rdp_context *)(mbox->ctx_ndlp);
+ (struct lpfc_rdp_context *)(mbox->context3);
if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
goto error;
@@ -2448,7 +2448,7 @@ lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a2;
- mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context;
+ mbox->context3 = (struct lpfc_rdp_context *)rdp_context;
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED)
goto error;
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 8e425be7c7c99..8878f3c3cc2ac 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -683,7 +683,7 @@ lpfc_mbx_cmpl_resume_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
uint32_t cmd;
elsiocb = (struct lpfc_iocbq *)mboxq->ctx_buf;
- ndlp = (struct lpfc_nodelist *)mboxq->ctx_ndlp;
+ ndlp = mboxq->ctx_ndlp;
vport = mboxq->vport;
cmd = elsiocb->drvrTimeout;
@@ -1875,7 +1875,7 @@ lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport,
/* cleanup any ndlp on mbox q waiting for reglogin cmpl */
if ((mb = phba->sli.mbox_active)) {
if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
- (ndlp == (struct lpfc_nodelist *)mb->ctx_ndlp)) {
+ (ndlp == mb->ctx_ndlp)) {
ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND;
lpfc_nlp_put(ndlp);
mb->ctx_ndlp = NULL;
@@ -1886,7 +1886,7 @@ lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport,
spin_lock_irq(&phba->hbalock);
list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
- (ndlp == (struct lpfc_nodelist *)mb->ctx_ndlp)) {
+ (ndlp == mb->ctx_ndlp)) {
ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND;
lpfc_nlp_put(ndlp);
list_del(&mb->list);
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 7f87046e64b72..236b4e7e1de15 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -2914,12 +2914,12 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
}
if (pmb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
- ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp;
+ ndlp = pmb->ctx_ndlp;
lpfc_nlp_put(ndlp);
}
if (pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) {
- ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp;
+ ndlp = pmb->ctx_ndlp;
/* Check to see if there are any deferred events to process */
if (ndlp) {
@@ -2952,7 +2952,7 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
/* This nlp_put pairs with lpfc_sli4_resume_rpi */
if (pmb->u.mb.mbxCommand == MBX_RESUME_RPI) {
- ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp;
+ ndlp = pmb->ctx_ndlp;
lpfc_nlp_put(ndlp);
}
@@ -13832,8 +13832,7 @@ lpfc_sli_sp_intr_handler(int irq, void *dev_id)
if (!pmbox->mbxStatus) {
mp = (struct lpfc_dmabuf *)
(pmb->ctx_buf);
- ndlp = (struct lpfc_nodelist *)
- pmb->ctx_ndlp;
+ ndlp = pmb->ctx_ndlp;
/* Reg_LOGIN of dflt RPI was
* successful. new lets get
@@ -14341,7 +14340,7 @@ lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe)
pmbox->un.varWords[0], 0);
if (mcqe_status == MB_CQE_STATUS_SUCCESS) {
mp = (struct lpfc_dmabuf *)(pmb->ctx_buf);
- ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp;
+ ndlp = pmb->ctx_ndlp;
/* Reg_LOGIN of dflt RPI was successful. Mark the
* node as having an UNREG_LOGIN in progress to stop
@@ -21035,7 +21034,7 @@ lpfc_cleanup_pending_mbox(struct lpfc_vport *vport)
(mb->u.mb.mbxCommand == MBX_REG_VPI))
mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
- act_mbx_ndlp = (struct lpfc_nodelist *)mb->ctx_ndlp;
+ act_mbx_ndlp = mb->ctx_ndlp;
/* This reference is local to this routine. The
* reference is removed at routine exit.
@@ -21064,7 +21063,7 @@ lpfc_cleanup_pending_mbox(struct lpfc_vport *vport)
mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
- ndlp = (struct lpfc_nodelist *)mb->ctx_ndlp;
+ ndlp = mb->ctx_ndlp;
/* Unregister the RPI when mailbox complete */
mb->mbox_flag |= LPFC_MBX_IMED_UNREG;
restart_loop = 1;
@@ -21084,7 +21083,7 @@ lpfc_cleanup_pending_mbox(struct lpfc_vport *vport)
while (!list_empty(&mbox_cmd_list)) {
list_remove_head(&mbox_cmd_list, mb, LPFC_MBOXQ_t, list);
if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
- ndlp = (struct lpfc_nodelist *)mb->ctx_ndlp;
+ ndlp = mb->ctx_ndlp;
mb->ctx_ndlp = NULL;
if (ndlp) {
spin_lock(&ndlp->lock);
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index c911a39cb46b8..60332de27f442 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -182,11 +182,11 @@ typedef struct lpfcMboxq {
struct lpfc_mqe mqe;
} u;
struct lpfc_vport *vport; /* virtual port pointer */
- void *ctx_ndlp; /* an lpfc_nodelist pointer */
- void *ctx_buf; /* an lpfc_dmabuf pointer */
- void *context3; /* a generic pointer. Code must
- * accommodate the actual datatype.
- */
+ struct lpfc_nodelist *ctx_ndlp; /* caller ndlp pointer */
+ void *ctx_buf; /* caller buffer information */
+ void *context3; /* a generic pointer. Code must
+ * accommodate the actual datatype.
+ */
void (*mbox_cmpl) (struct lpfc_hba *, struct lpfcMboxq *);
uint8_t mbox_flag;
--
GitLab
From 115d137aa918d879e3cca9605bbf59e0482aa734 Mon Sep 17 00:00:00 2001
From: Justin Tee <justin.tee@broadcom.com>
Date: Tue, 5 Mar 2024 12:05:00 -0800
Subject: [PATCH 1109/2686] scsi: lpfc: Define lpfc_dmabuf type for ctx_buf ptr
In LPFC_MBOXQ_t, the ctx_buf ptr shouldn't be defined as a generic void
*ptr. It is named ctx_buf and it should only be used as an lpfc_dmabuf
*ptr. Due to the void* declaration, there have been abuses of ctx_buf for
things not related to lpfc_dmabuf.
So, set the ptr type for *ctx_buf as lpfc_dmabuf. Remove all type casts on
ctx_buf because it is no longer a void *ptr. Convert the abuse of ctx_buf
for something not related to lpfc_dmabuf to use the void *context3 ptr.
A particular abuse of the ctx_buf warranted a new void *ext_buf ptr.
However, the usage of this new void *ext_buf is not generic. It is
intended to only hold virtual addresses for extended mailbox commands.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-10-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc_bsg.c | 12 +++++-----
drivers/scsi/lpfc/lpfc_els.c | 14 ++++++------
drivers/scsi/lpfc/lpfc_hbadisc.c | 10 ++++-----
drivers/scsi/lpfc/lpfc_init.c | 8 +++----
drivers/scsi/lpfc/lpfc_mbox.c | 15 ++++---------
drivers/scsi/lpfc/lpfc_nportdisc.c | 2 +-
drivers/scsi/lpfc/lpfc_sli.c | 35 +++++++++++++++---------------
drivers/scsi/lpfc/lpfc_sli.h | 6 ++++-
drivers/scsi/lpfc/lpfc_vport.c | 2 +-
9 files changed, 50 insertions(+), 54 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index 03605b827f3a6..f784dc9b602a0 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -2513,7 +2513,7 @@ static int lpfcdiag_loop_self_reg(struct lpfc_hba *phba, uint16_t *rpi)
return -ENOMEM;
}
- dmabuff = (struct lpfc_dmabuf *)mbox->ctx_buf;
+ dmabuff = mbox->ctx_buf;
mbox->ctx_buf = NULL;
mbox->ctx_ndlp = NULL;
status = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
@@ -3553,7 +3553,7 @@ lpfc_bsg_issue_mbox_ext_handle_job(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
struct lpfc_sli_config_mbox *sli_cfg_mbx;
uint8_t *pmbx;
- dd_data = pmboxq->ctx_buf;
+ dd_data = pmboxq->context3;
/* Determine if job has been aborted */
spin_lock_irqsave(&phba->ct_ev_lock, flags);
@@ -3940,7 +3940,7 @@ lpfc_bsg_sli_cfg_read_cmd_ext(struct lpfc_hba *phba, struct bsg_job *job,
pmboxq->mbox_cmpl = lpfc_bsg_issue_read_mbox_ext_cmpl;
/* context fields to callback function */
- pmboxq->ctx_buf = dd_data;
+ pmboxq->context3 = dd_data;
dd_data->type = TYPE_MBOX;
dd_data->set_job = job;
dd_data->context_un.mbox.pmboxq = pmboxq;
@@ -4112,7 +4112,7 @@ lpfc_bsg_sli_cfg_write_cmd_ext(struct lpfc_hba *phba, struct bsg_job *job,
pmboxq->mbox_cmpl = lpfc_bsg_issue_write_mbox_ext_cmpl;
/* context fields to callback function */
- pmboxq->ctx_buf = dd_data;
+ pmboxq->context3 = dd_data;
dd_data->type = TYPE_MBOX;
dd_data->set_job = job;
dd_data->context_un.mbox.pmboxq = pmboxq;
@@ -4460,7 +4460,7 @@ lpfc_bsg_write_ebuf_set(struct lpfc_hba *phba, struct bsg_job *job,
pmboxq->mbox_cmpl = lpfc_bsg_issue_write_mbox_ext_cmpl;
/* context fields to callback function */
- pmboxq->ctx_buf = dd_data;
+ pmboxq->context3 = dd_data;
dd_data->type = TYPE_MBOX;
dd_data->set_job = job;
dd_data->context_un.mbox.pmboxq = pmboxq;
@@ -4747,7 +4747,7 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct bsg_job *job,
if (mbox_req->inExtWLen || mbox_req->outExtWLen) {
from = pmbx;
ext = from + sizeof(MAILBOX_t);
- pmboxq->ctx_buf = ext;
+ pmboxq->ext_buf = ext;
pmboxq->in_ext_byte_len =
mbox_req->inExtWLen * sizeof(uint32_t);
pmboxq->out_ext_byte_len =
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 1c0ca5de7e1e2..fdb0540fa492a 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -7290,7 +7290,7 @@ int lpfc_get_sfp_info_wait(struct lpfc_hba *phba,
mbox->in_ext_byte_len = DMP_SFF_PAGE_A0_SIZE;
mbox->out_ext_byte_len = DMP_SFF_PAGE_A0_SIZE;
mbox->mbox_offset_word = 5;
- mbox->ctx_buf = virt;
+ mbox->ext_buf = virt;
} else {
bf_set(lpfc_mbx_memory_dump_type3_length,
&mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A0_SIZE);
@@ -7306,7 +7306,7 @@ int lpfc_get_sfp_info_wait(struct lpfc_hba *phba,
}
if (phba->sli_rev == LPFC_SLI_REV4)
- mp = (struct lpfc_dmabuf *)(mbox->ctx_buf);
+ mp = mbox->ctx_buf;
else
mp = mpsave;
@@ -7349,7 +7349,7 @@ int lpfc_get_sfp_info_wait(struct lpfc_hba *phba,
mbox->in_ext_byte_len = DMP_SFF_PAGE_A2_SIZE;
mbox->out_ext_byte_len = DMP_SFF_PAGE_A2_SIZE;
mbox->mbox_offset_word = 5;
- mbox->ctx_buf = virt;
+ mbox->ext_buf = virt;
} else {
bf_set(lpfc_mbx_memory_dump_type3_length,
&mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A2_SIZE);
@@ -8637,9 +8637,9 @@ lpfc_els_rsp_rls_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
mb = &pmb->u.mb;
ndlp = pmb->ctx_ndlp;
- rxid = (uint16_t)((unsigned long)(pmb->ctx_buf) & 0xffff);
- oxid = (uint16_t)(((unsigned long)(pmb->ctx_buf) >> 16) & 0xffff);
- pmb->ctx_buf = NULL;
+ rxid = (uint16_t)((unsigned long)(pmb->context3) & 0xffff);
+ oxid = (uint16_t)(((unsigned long)(pmb->context3) >> 16) & 0xffff);
+ pmb->context3 = NULL;
pmb->ctx_ndlp = NULL;
if (mb->mbxStatus) {
@@ -8743,7 +8743,7 @@ lpfc_els_rcv_rls(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC);
if (mbox) {
lpfc_read_lnk_stat(phba, mbox);
- mbox->ctx_buf = (void *)((unsigned long)
+ mbox->context3 = (void *)((unsigned long)
(ox_id << 16 | ctx));
mbox->ctx_ndlp = lpfc_nlp_get(ndlp);
if (!mbox->ctx_ndlp)
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index c1cc2850ba710..e42fa9c822b50 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -3428,7 +3428,7 @@ static void
lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
MAILBOX_t *mb = &pmb->u.mb;
- struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)pmb->ctx_buf;
+ struct lpfc_dmabuf *mp = pmb->ctx_buf;
struct lpfc_vport *vport = pmb->vport;
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct serv_parm *sp = &vport->fc_sparam;
@@ -3736,7 +3736,7 @@ lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
struct lpfc_mbx_read_top *la;
struct lpfc_sli_ring *pring;
MAILBOX_t *mb = &pmb->u.mb;
- struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)(pmb->ctx_buf);
+ struct lpfc_dmabuf *mp = pmb->ctx_buf;
uint8_t attn_type;
/* Unblock ELS traffic */
@@ -3850,7 +3850,7 @@ void
lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
struct lpfc_vport *vport = pmb->vport;
- struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)pmb->ctx_buf;
+ struct lpfc_dmabuf *mp = pmb->ctx_buf;
struct lpfc_nodelist *ndlp = pmb->ctx_ndlp;
/* The driver calls the state machine with the pmb pointer
@@ -4065,7 +4065,7 @@ lpfc_create_static_vport(struct lpfc_hba *phba)
* the dump routine is a single-use construct.
*/
if (pmb->ctx_buf) {
- mp = (struct lpfc_dmabuf *)pmb->ctx_buf;
+ mp = pmb->ctx_buf;
lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp);
pmb->ctx_buf = NULL;
@@ -4088,7 +4088,7 @@ lpfc_create_static_vport(struct lpfc_hba *phba)
if (phba->sli_rev == LPFC_SLI_REV4) {
byte_count = pmb->u.mqe.un.mb_words[5];
- mp = (struct lpfc_dmabuf *)pmb->ctx_buf;
+ mp = pmb->ctx_buf;
if (byte_count > sizeof(struct static_vport_info) -
offset)
byte_count = sizeof(struct static_vport_info)
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index c4c305472285a..f7a0aa3625f4e 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -460,7 +460,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
return -EIO;
}
- mp = (struct lpfc_dmabuf *)pmb->ctx_buf;
+ mp = pmb->ctx_buf;
/* This dmabuf was allocated by lpfc_read_sparam. The dmabuf is no
* longer needed. Prevent unintended ctx_buf access as the mbox is
@@ -2217,7 +2217,7 @@ lpfc_handle_latt(struct lpfc_hba *phba)
/* Cleanup any outstanding ELS commands */
lpfc_els_flush_all_cmd(phba);
psli->slistat.link_event++;
- lpfc_read_topology(phba, pmb, (struct lpfc_dmabuf *)pmb->ctx_buf);
+ lpfc_read_topology(phba, pmb, pmb->ctx_buf);
pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
pmb->vport = vport;
/* Block ELS IOCBs until we have processed this mbox command */
@@ -5454,7 +5454,7 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
phba->sli.slistat.link_event++;
/* Create lpfc_handle_latt mailbox command from link ACQE */
- lpfc_read_topology(phba, pmb, (struct lpfc_dmabuf *)pmb->ctx_buf);
+ lpfc_read_topology(phba, pmb, pmb->ctx_buf);
pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
pmb->vport = phba->pport;
@@ -6347,7 +6347,7 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
phba->sli.slistat.link_event++;
/* Create lpfc_handle_latt mailbox command from link ACQE */
- lpfc_read_topology(phba, pmb, (struct lpfc_dmabuf *)pmb->ctx_buf);
+ lpfc_read_topology(phba, pmb, pmb->ctx_buf);
pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
pmb->vport = phba->pport;
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index d4c9a537f8343..eaa3f89458ec9 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -102,7 +102,7 @@ lpfc_mbox_rsrc_cleanup(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox,
{
struct lpfc_dmabuf *mp;
- mp = (struct lpfc_dmabuf *)mbox->ctx_buf;
+ mp = mbox->ctx_buf;
mbox->ctx_buf = NULL;
/* Release the generic BPL buffer memory. */
@@ -204,10 +204,8 @@ lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset,
uint16_t region_id)
{
MAILBOX_t *mb;
- void *ctx;
mb = &pmb->u.mb;
- ctx = pmb->ctx_buf;
/* Setup to dump VPD region */
memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
@@ -219,7 +217,6 @@ lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset,
mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t));
mb->un.varDmp.co = 0;
mb->un.varDmp.resp_offset = 0;
- pmb->ctx_buf = ctx;
mb->mbxOwner = OWN_HOST;
return;
}
@@ -236,11 +233,8 @@ void
lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
MAILBOX_t *mb;
- void *ctx;
mb = &pmb->u.mb;
- /* Save context so that we can restore after memset */
- ctx = pmb->ctx_buf;
/* Setup to dump VPD region */
memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
@@ -254,7 +248,6 @@ lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE;
mb->un.varDmp.co = 0;
mb->un.varDmp.resp_offset = 0;
- pmb->ctx_buf = ctx;
return;
}
@@ -372,7 +365,7 @@ lpfc_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
/* Save address for later completion and set the owner to host so that
* the FW knows this mailbox is available for processing.
*/
- pmb->ctx_buf = (uint8_t *)mp;
+ pmb->ctx_buf = mp;
mb->mbxOwner = OWN_HOST;
return (0);
}
@@ -2385,7 +2378,7 @@ lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
static void
lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
{
- struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)mbox->ctx_buf;
+ struct lpfc_dmabuf *mp = mbox->ctx_buf;
struct lpfc_rdp_context *rdp_context =
(struct lpfc_rdp_context *)(mbox->context3);
@@ -2416,7 +2409,7 @@ void
lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
{
int rc;
- struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)(mbox->ctx_buf);
+ struct lpfc_dmabuf *mp = mbox->ctx_buf;
struct lpfc_rdp_context *rdp_context =
(struct lpfc_rdp_context *)(mbox->context3);
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 8878f3c3cc2ac..c6b76c3d0f707 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -682,7 +682,7 @@ lpfc_mbx_cmpl_resume_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
struct lpfc_nodelist *ndlp;
uint32_t cmd;
- elsiocb = (struct lpfc_iocbq *)mboxq->ctx_buf;
+ elsiocb = mboxq->context3;
ndlp = mboxq->ctx_ndlp;
vport = mboxq->vport;
cmd = elsiocb->drvrTimeout;
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 236b4e7e1de15..aa746cb088418 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -2885,7 +2885,7 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
if (!test_bit(FC_UNLOADING, &phba->pport->load_flag) &&
pmb->u.mb.mbxCommand == MBX_REG_LOGIN64 &&
!pmb->u.mb.mbxStatus) {
- mp = (struct lpfc_dmabuf *)pmb->ctx_buf;
+ mp = pmb->ctx_buf;
if (mp) {
pmb->ctx_buf = NULL;
lpfc_mbuf_free(phba, mp->virt, mp->phys);
@@ -5819,7 +5819,7 @@ lpfc_sli4_read_fcoe_params(struct lpfc_hba *phba)
goto out_free_mboxq;
}
- mp = (struct lpfc_dmabuf *)mboxq->ctx_buf;
+ mp = mboxq->ctx_buf;
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
@@ -8766,7 +8766,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
mboxq->vport = vport;
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
- mp = (struct lpfc_dmabuf *)mboxq->ctx_buf;
+ mp = mboxq->ctx_buf;
if (rc == MBX_SUCCESS) {
memcpy(&vport->fc_sparam, mp->virt, sizeof(struct serv_parm));
rc = 0;
@@ -9548,8 +9548,8 @@ lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox,
}
/* Copy the mailbox extension data */
- if (pmbox->in_ext_byte_len && pmbox->ctx_buf) {
- lpfc_sli_pcimem_bcopy(pmbox->ctx_buf,
+ if (pmbox->in_ext_byte_len && pmbox->ext_buf) {
+ lpfc_sli_pcimem_bcopy(pmbox->ext_buf,
(uint8_t *)phba->mbox_ext,
pmbox->in_ext_byte_len);
}
@@ -9562,10 +9562,10 @@ lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox,
= MAILBOX_HBA_EXT_OFFSET;
/* Copy the mailbox extension data */
- if (pmbox->in_ext_byte_len && pmbox->ctx_buf)
+ if (pmbox->in_ext_byte_len && pmbox->ext_buf)
lpfc_memcpy_to_slim(phba->MBslimaddr +
MAILBOX_HBA_EXT_OFFSET,
- pmbox->ctx_buf, pmbox->in_ext_byte_len);
+ pmbox->ext_buf, pmbox->in_ext_byte_len);
if (mbx->mbxCommand == MBX_CONFIG_PORT)
/* copy command data into host mbox for cmpl */
@@ -9688,9 +9688,9 @@ lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox,
lpfc_sli_pcimem_bcopy(phba->mbox, mbx,
MAILBOX_CMD_SIZE);
/* Copy the mailbox extension data */
- if (pmbox->out_ext_byte_len && pmbox->ctx_buf) {
+ if (pmbox->out_ext_byte_len && pmbox->ext_buf) {
lpfc_sli_pcimem_bcopy(phba->mbox_ext,
- pmbox->ctx_buf,
+ pmbox->ext_buf,
pmbox->out_ext_byte_len);
}
} else {
@@ -9698,9 +9698,9 @@ lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox,
lpfc_memcpy_from_slim(mbx, phba->MBslimaddr,
MAILBOX_CMD_SIZE);
/* Copy the mailbox extension data */
- if (pmbox->out_ext_byte_len && pmbox->ctx_buf) {
+ if (pmbox->out_ext_byte_len && pmbox->ext_buf) {
lpfc_memcpy_from_slim(
- pmbox->ctx_buf,
+ pmbox->ext_buf,
phba->MBslimaddr +
MAILBOX_HBA_EXT_OFFSET,
pmbox->out_ext_byte_len);
@@ -13813,10 +13813,10 @@ lpfc_sli_sp_intr_handler(int irq, void *dev_id)
lpfc_sli_pcimem_bcopy(mbox, pmbox,
MAILBOX_CMD_SIZE);
if (pmb->out_ext_byte_len &&
- pmb->ctx_buf)
+ pmb->ext_buf)
lpfc_sli_pcimem_bcopy(
phba->mbox_ext,
- pmb->ctx_buf,
+ pmb->ext_buf,
pmb->out_ext_byte_len);
}
if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) {
@@ -13830,8 +13830,7 @@ lpfc_sli_sp_intr_handler(int irq, void *dev_id)
pmbox->un.varWords[0], 0);
if (!pmbox->mbxStatus) {
- mp = (struct lpfc_dmabuf *)
- (pmb->ctx_buf);
+ mp = pmb->ctx_buf;
ndlp = pmb->ctx_ndlp;
/* Reg_LOGIN of dflt RPI was
@@ -14339,7 +14338,7 @@ lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe)
mcqe_status,
pmbox->un.varWords[0], 0);
if (mcqe_status == MB_CQE_STATUS_SUCCESS) {
- mp = (struct lpfc_dmabuf *)(pmb->ctx_buf);
+ mp = pmb->ctx_buf;
ndlp = pmb->ctx_ndlp;
/* Reg_LOGIN of dflt RPI was successful. Mark the
@@ -19858,7 +19857,7 @@ lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp,
lpfc_resume_rpi(mboxq, ndlp);
if (cmpl) {
mboxq->mbox_cmpl = cmpl;
- mboxq->ctx_buf = arg;
+ mboxq->context3 = arg;
} else
mboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
mboxq->ctx_ndlp = ndlp;
@@ -20675,7 +20674,7 @@ lpfc_sli4_get_config_region23(struct lpfc_hba *phba, char *rgn23_data)
if (lpfc_sli4_dump_cfg_rg23(phba, mboxq))
goto out;
mqe = &mboxq->u.mqe;
- mp = (struct lpfc_dmabuf *)mboxq->ctx_buf;
+ mp = mboxq->ctx_buf;
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
if (rc)
goto out;
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index 60332de27f442..29fdccd689af0 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -183,7 +183,11 @@ typedef struct lpfcMboxq {
} u;
struct lpfc_vport *vport; /* virtual port pointer */
struct lpfc_nodelist *ctx_ndlp; /* caller ndlp pointer */
- void *ctx_buf; /* caller buffer information */
+ struct lpfc_dmabuf *ctx_buf; /* caller buffer information */
+ void *ext_buf; /* extended buffer for extended mbox
+ * cmds. Not a generic pointer.
+ * Use for storing virtual address.
+ */
void *context3; /* a generic pointer. Code must
* accommodate the actual datatype.
*/
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index 9850080ee33d1..4439167a51882 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -166,7 +166,7 @@ lpfc_vport_sparm(struct lpfc_hba *phba, struct lpfc_vport *vport)
}
}
- mp = (struct lpfc_dmabuf *)pmb->ctx_buf;
+ mp = pmb->ctx_buf;
memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
sizeof (struct lpfc_name));
--
GitLab
From 85d77f917a3b86872d3d52d5cea945a661858d20 Mon Sep 17 00:00:00 2001
From: Justin Tee <justin.tee@broadcom.com>
Date: Tue, 5 Mar 2024 12:05:01 -0800
Subject: [PATCH 1110/2686] scsi: lpfc: Define types in a union for generic
void *context3 ptr
In LPFC_MBOXQ_t, the void *context3 ptr is used for various paths. It is
treated as a generic pointer, and is type casted during its usage.
The issue with this is that it can sometimes get confusing when reading
code as to what the context3 ptr is being used for and mistakenly be reused
in a different context.
Rename context3 to ctx_u, and declare it as a union of defined ptr types.
From now on, the ctx_u ptr may be used only if users define the use case
type.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-11-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc_bsg.c | 12 ++++++------
drivers/scsi/lpfc/lpfc_els.c | 17 ++++++++---------
drivers/scsi/lpfc/lpfc_mbox.c | 15 ++++++---------
drivers/scsi/lpfc/lpfc_nportdisc.c | 6 +++---
drivers/scsi/lpfc/lpfc_sli.c | 15 ++++++++-------
drivers/scsi/lpfc/lpfc_sli.h | 20 +++++++++++++++++---
drivers/scsi/lpfc/lpfc_sli4.h | 5 +++--
7 files changed, 51 insertions(+), 39 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index f784dc9b602a0..bfa63091902bb 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -3376,7 +3376,7 @@ lpfc_bsg_issue_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
unsigned long flags;
uint8_t *pmb, *pmb_buf;
- dd_data = pmboxq->context3;
+ dd_data = pmboxq->ctx_u.dd_data;
/*
* The outgoing buffer is readily referred from the dma buffer,
@@ -3553,7 +3553,7 @@ lpfc_bsg_issue_mbox_ext_handle_job(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
struct lpfc_sli_config_mbox *sli_cfg_mbx;
uint8_t *pmbx;
- dd_data = pmboxq->context3;
+ dd_data = pmboxq->ctx_u.dd_data;
/* Determine if job has been aborted */
spin_lock_irqsave(&phba->ct_ev_lock, flags);
@@ -3940,7 +3940,7 @@ lpfc_bsg_sli_cfg_read_cmd_ext(struct lpfc_hba *phba, struct bsg_job *job,
pmboxq->mbox_cmpl = lpfc_bsg_issue_read_mbox_ext_cmpl;
/* context fields to callback function */
- pmboxq->context3 = dd_data;
+ pmboxq->ctx_u.dd_data = dd_data;
dd_data->type = TYPE_MBOX;
dd_data->set_job = job;
dd_data->context_un.mbox.pmboxq = pmboxq;
@@ -4112,7 +4112,7 @@ lpfc_bsg_sli_cfg_write_cmd_ext(struct lpfc_hba *phba, struct bsg_job *job,
pmboxq->mbox_cmpl = lpfc_bsg_issue_write_mbox_ext_cmpl;
/* context fields to callback function */
- pmboxq->context3 = dd_data;
+ pmboxq->ctx_u.dd_data = dd_data;
dd_data->type = TYPE_MBOX;
dd_data->set_job = job;
dd_data->context_un.mbox.pmboxq = pmboxq;
@@ -4460,7 +4460,7 @@ lpfc_bsg_write_ebuf_set(struct lpfc_hba *phba, struct bsg_job *job,
pmboxq->mbox_cmpl = lpfc_bsg_issue_write_mbox_ext_cmpl;
/* context fields to callback function */
- pmboxq->context3 = dd_data;
+ pmboxq->ctx_u.dd_data = dd_data;
dd_data->type = TYPE_MBOX;
dd_data->set_job = job;
dd_data->context_un.mbox.pmboxq = pmboxq;
@@ -4875,7 +4875,7 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct bsg_job *job,
pmboxq->mbox_cmpl = lpfc_bsg_issue_mbox_cmpl;
/* setup context field to pass wait_queue pointer to wake function */
- pmboxq->context3 = dd_data;
+ pmboxq->ctx_u.dd_data = dd_data;
dd_data->type = TYPE_MBOX;
dd_data->set_job = job;
dd_data->context_un.mbox.pmboxq = pmboxq;
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index fdb0540fa492a..f7c28dc73bf67 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -7238,7 +7238,7 @@ lpfc_get_rdp_info(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context)
goto rdp_fail;
mbox->vport = rdp_context->ndlp->vport;
mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a0;
- mbox->context3 = (struct lpfc_rdp_context *)rdp_context;
+ mbox->ctx_u.rdp = rdp_context;
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
lpfc_mbox_rsrc_cleanup(phba, mbox, MBOX_THD_UNLOCKED);
@@ -7498,9 +7498,9 @@ lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
int rc;
mb = &pmb->u.mb;
- lcb_context = (struct lpfc_lcb_context *)pmb->context3;
+ lcb_context = pmb->ctx_u.lcb;
ndlp = lcb_context->ndlp;
- pmb->context3 = NULL;
+ memset(&pmb->ctx_u, 0, sizeof(pmb->ctx_u));
pmb->ctx_buf = NULL;
shdr = (union lpfc_sli4_cfg_shdr *)
@@ -7640,7 +7640,7 @@ lpfc_sli4_set_beacon(struct lpfc_vport *vport,
lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
LPFC_MBOX_OPCODE_SET_BEACON_CONFIG, len,
LPFC_SLI4_MBX_EMBED);
- mbox->context3 = (void *)lcb_context;
+ mbox->ctx_u.lcb = lcb_context;
mbox->vport = phba->pport;
mbox->mbox_cmpl = lpfc_els_lcb_rsp;
bf_set(lpfc_mbx_set_beacon_port_num, &mbox->u.mqe.un.beacon_config,
@@ -8637,9 +8637,9 @@ lpfc_els_rsp_rls_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
mb = &pmb->u.mb;
ndlp = pmb->ctx_ndlp;
- rxid = (uint16_t)((unsigned long)(pmb->context3) & 0xffff);
- oxid = (uint16_t)(((unsigned long)(pmb->context3) >> 16) & 0xffff);
- pmb->context3 = NULL;
+ rxid = (uint16_t)(pmb->ctx_u.ox_rx_id & 0xffff);
+ oxid = (uint16_t)((pmb->ctx_u.ox_rx_id >> 16) & 0xffff);
+ memset(&pmb->ctx_u, 0, sizeof(pmb->ctx_u));
pmb->ctx_ndlp = NULL;
if (mb->mbxStatus) {
@@ -8743,8 +8743,7 @@ lpfc_els_rcv_rls(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC);
if (mbox) {
lpfc_read_lnk_stat(phba, mbox);
- mbox->context3 = (void *)((unsigned long)
- (ox_id << 16 | ctx));
+ mbox->ctx_u.ox_rx_id = ox_id << 16 | ctx;
mbox->ctx_ndlp = lpfc_nlp_get(ndlp);
if (!mbox->ctx_ndlp)
goto node_err;
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index eaa3f89458ec9..e98f1c2b22202 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -1809,7 +1809,7 @@ lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
}
/* Reinitialize the context pointers to avoid stale usage. */
mbox->ctx_buf = NULL;
- mbox->context3 = NULL;
+ memset(&mbox->ctx_u, 0, sizeof(mbox->ctx_u));
kfree(mbox->sge_array);
/* Finally, free the mailbox command itself */
mempool_free(mbox, phba->mbox_mem_pool);
@@ -2359,8 +2359,7 @@ lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
MAILBOX_t *mb;
int rc = FAILURE;
- struct lpfc_rdp_context *rdp_context =
- (struct lpfc_rdp_context *)(mboxq->context3);
+ struct lpfc_rdp_context *rdp_context = mboxq->ctx_u.rdp;
mb = &mboxq->u.mb;
if (mb->mbxStatus)
@@ -2379,8 +2378,7 @@ static void
lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
{
struct lpfc_dmabuf *mp = mbox->ctx_buf;
- struct lpfc_rdp_context *rdp_context =
- (struct lpfc_rdp_context *)(mbox->context3);
+ struct lpfc_rdp_context *rdp_context = mbox->ctx_u.rdp;
if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
goto error_mbox_free;
@@ -2394,7 +2392,7 @@ lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
/* Save the dma buffer for cleanup in the final completion. */
mbox->ctx_buf = mp;
mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_link_stat;
- mbox->context3 = (struct lpfc_rdp_context *)rdp_context;
+ mbox->ctx_u.rdp = rdp_context;
if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED)
goto error_mbox_free;
@@ -2410,8 +2408,7 @@ lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
{
int rc;
struct lpfc_dmabuf *mp = mbox->ctx_buf;
- struct lpfc_rdp_context *rdp_context =
- (struct lpfc_rdp_context *)(mbox->context3);
+ struct lpfc_rdp_context *rdp_context = mbox->ctx_u.rdp;
if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
goto error;
@@ -2441,7 +2438,7 @@ lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a2;
- mbox->context3 = (struct lpfc_rdp_context *)rdp_context;
+ mbox->ctx_u.rdp = rdp_context;
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED)
goto error;
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index c6b76c3d0f707..c4172791c2675 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -300,7 +300,7 @@ lpfc_defer_plogi_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *login_mbox)
int rc;
ndlp = login_mbox->ctx_ndlp;
- save_iocb = login_mbox->context3;
+ save_iocb = login_mbox->ctx_u.save_iocb;
if (mb->mbxStatus == MBX_SUCCESS) {
/* Now that REG_RPI completed successfully,
@@ -640,7 +640,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
if (!login_mbox->ctx_ndlp)
goto out;
- login_mbox->context3 = save_iocb; /* For PLOGI ACC */
+ login_mbox->ctx_u.save_iocb = save_iocb; /* For PLOGI ACC */
spin_lock_irq(&ndlp->lock);
ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI);
@@ -682,7 +682,7 @@ lpfc_mbx_cmpl_resume_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
struct lpfc_nodelist *ndlp;
uint32_t cmd;
- elsiocb = mboxq->context3;
+ elsiocb = mboxq->ctx_u.save_iocb;
ndlp = mboxq->ctx_ndlp;
vport = mboxq->vport;
cmd = elsiocb->drvrTimeout;
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index aa746cb088418..a028e008dd1ee 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -2830,7 +2830,7 @@ lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
*/
pmboxq->mbox_flag |= LPFC_MBX_WAKE;
spin_lock_irqsave(&phba->hbalock, drvr_flag);
- pmbox_done = (struct completion *)pmboxq->context3;
+ pmbox_done = pmboxq->ctx_u.mbox_wait;
if (pmbox_done)
complete(pmbox_done);
spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
@@ -13262,9 +13262,9 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq,
/* setup wake call as IOCB callback */
pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait;
- /* setup context3 field to pass wait_queue pointer to wake function */
+ /* setup ctx_u field to pass wait_queue pointer to wake function */
init_completion(&mbox_done);
- pmboxq->context3 = &mbox_done;
+ pmboxq->ctx_u.mbox_wait = &mbox_done;
/* now issue the command */
retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
if (retval == MBX_BUSY || retval == MBX_SUCCESS) {
@@ -13272,7 +13272,7 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq,
msecs_to_jiffies(timeout * 1000));
spin_lock_irqsave(&phba->hbalock, flag);
- pmboxq->context3 = NULL;
+ pmboxq->ctx_u.mbox_wait = NULL;
/*
* if LPFC_MBX_WAKE flag is set the mailbox is completed
* else do not free the resources.
@@ -19821,14 +19821,15 @@ lpfc_sli4_remove_rpis(struct lpfc_hba *phba)
* lpfc_sli4_resume_rpi - Remove the rpi bitmask region
* @ndlp: pointer to lpfc nodelist data structure.
* @cmpl: completion call-back.
- * @arg: data to load as MBox 'caller buffer information'
+ * @iocbq: data to load as mbox ctx_u information
*
* This routine is invoked to remove the memory region that
* provided rpi via a bitmask.
**/
int
lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp,
- void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *arg)
+ void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *),
+ struct lpfc_iocbq *iocbq)
{
LPFC_MBOXQ_t *mboxq;
struct lpfc_hba *phba = ndlp->phba;
@@ -19857,7 +19858,7 @@ lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp,
lpfc_resume_rpi(mboxq, ndlp);
if (cmpl) {
mboxq->mbox_cmpl = cmpl;
- mboxq->context3 = arg;
+ mboxq->ctx_u.save_iocb = iocbq;
} else
mboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
mboxq->ctx_ndlp = ndlp;
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index 29fdccd689af0..39f78ef291f76 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -188,9 +188,23 @@ typedef struct lpfcMboxq {
* cmds. Not a generic pointer.
* Use for storing virtual address.
*/
- void *context3; /* a generic pointer. Code must
- * accommodate the actual datatype.
- */
+
+ /* Pointers that are seldom used during mbox execution, but require
+ * a saved context.
+ */
+ union {
+ unsigned long ox_rx_id; /* Used in els_rsp_rls_acc */
+ struct lpfc_rdp_context *rdp; /* Used in get_rdp_info */
+ struct lpfc_lcb_context *lcb; /* Used in set_beacon */
+ struct completion *mbox_wait; /* Used in issue_mbox_wait */
+ struct bsg_job_data *dd_data; /* Used in bsg_issue_mbox_cmpl
+ * and
+ * bsg_issue_mbox_ext_handle_job
+ */
+ struct lpfc_iocbq *save_iocb; /* Used in defer_plogi_acc and
+ * lpfc_mbx_cmpl_resume_rpi
+ */
+ } ctx_u;
void (*mbox_cmpl) (struct lpfc_hba *, struct lpfcMboxq *);
uint8_t mbox_flag;
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index 2541a8fba093f..37d9ead7a7c0b 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -1118,8 +1118,9 @@ void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
void lpfc_sli4_remove_rpis(struct lpfc_hba *);
void lpfc_sli4_async_event_proc(struct lpfc_hba *);
void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
-int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
- void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
+int lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp,
+ void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *),
+ struct lpfc_iocbq *iocbq);
void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba);
void lpfc_sli4_nvme_pci_offline_aborted(struct lpfc_hba *phba,
struct lpfc_io_buf *lpfc_ncmd);
--
GitLab
From 01b6b70d98f2e0c9c7b8b5d962b5e22f74f60056 Mon Sep 17 00:00:00 2001
From: Justin Tee <justin.tee@broadcom.com>
Date: Tue, 5 Mar 2024 12:05:02 -0800
Subject: [PATCH 1111/2686] scsi: lpfc: Update lpfc version to 14.4.0.1
Update lpfc version to 14.4.0.1
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-12-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc_version.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 56f5889dbaf93..915f2f11fb558 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -20,7 +20,7 @@
* included with this package. *
*******************************************************************/
-#define LPFC_DRIVER_VERSION "14.4.0.0"
+#define LPFC_DRIVER_VERSION "14.4.0.1"
#define LPFC_DRIVER_NAME "lpfc"
/* Used for SLI 2/3 */
--
GitLab
From 0fa215e5326b49fc7870e2f576bc4316017a23dd Mon Sep 17 00:00:00 2001
From: Justin Tee <justin.tee@broadcom.com>
Date: Tue, 5 Mar 2024 12:05:03 -0800
Subject: [PATCH 1112/2686] scsi: lpfc: Copyright updates for 14.4.0.1 patches
Update copyrights to 2024 for files modified in the 14.4.0.1 patch set.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-13-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/lpfc/lpfc_sli.h | 2 +-
drivers/scsi/lpfc/lpfc_sli4.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index 39f78ef291f76..cf7c42ec03067 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2017-2023 Broadcom. All Rights Reserved. The term *
+ * Copyright (C) 2017-2024 Broadcom. All Rights Reserved. The term *
* “Broadcom†refers to Broadcom Inc. and/or its subsidiaries. *
* Copyright (C) 2004-2016 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index 37d9ead7a7c0b..c1e9ec0243bac 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2017-2023 Broadcom. All Rights Reserved. The term *
+ * Copyright (C) 2017-2024 Broadcom. All Rights Reserved. The term *
* “Broadcom†refers to Broadcom Inc. and/or its subsidiaries. *
* Copyright (C) 2009-2016 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
--
GitLab
From 44929bfaceaaa6a854ddc6df6de9433fab1eef92 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Wed, 6 Mar 2024 21:47:09 +0900
Subject: [PATCH 1113/2686] kbuild: remove GCC's default
-Wpacked-bitfield-compat flag
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Commit 4a5838ad9d2d ("kbuild: Add extra gcc checks") added the
-Wpacked-bitfield-compat flag, but there is no need to add it
explicitly.
GCC manual says:
"This warning is enabled by default. Use -Wno-packed-bitfield-compat
to disable this warning."
The test code in the manual:
struct foo
{
char a:4;
char b:8;
} __attribute__ ((packed));
... emits "note: offset of packed bit-field ‘b’ has changed in GCC 4.4"
without W=3.
Let's remove it, as it is a default with GCC.
Clang does not support this flag, so its removal will not affect Clang
builds.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
---
scripts/Makefile.extrawarn | 1 -
1 file changed, 1 deletion(-)
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index 2f25a1de129d1..3ce5d503a6da9 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -187,7 +187,6 @@ KBUILD_CFLAGS += -Wpointer-arith
KBUILD_CFLAGS += -Wredundant-decls
KBUILD_CFLAGS += -Wsign-compare
KBUILD_CFLAGS += -Wswitch-default
-KBUILD_CFLAGS += $(call cc-option, -Wpacked-bitfield-compat)
KBUILD_CPPFLAGS += -DKBUILD_EXTRA_WARN3
--
GitLab
From f31e0d0c2cad23e0cc48731634f85bb2d8707790 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Sun, 10 Mar 2024 15:38:51 +0100
Subject: [PATCH 1114/2686] ASoC: tlv320adc3xxx: Don't strip remove function
when driver is builtin
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Using __exit for the remove function results in the remove callback
being discarded with SND_SOC_TLV320ADC3XXX=y. When such a device gets
unbound (e.g. using sysfs or hotplug), the driver is just removed
without the cleanup being performed. This results in resource leaks. Fix
it by compiling in the remove callback unconditionally.
This also fixes a W=1 modpost warning:
WARNING: modpost: sound/soc/codecs/snd-soc-tlv320adc3xxx: section mismatch in reference: adc3xxx_i2c_driver+0x10 (section: .data) -> adc3xxx_i2c_remove (section: .exit.text)
(which only happens with SND_SOC_TLV320ADC3XXX=m).
Fixes: e9a3b57efd28 ("ASoC: codec: tlv320adc3xxx: New codec driver")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://msgid.link/r/20240310143852.397212-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/tlv320adc3xxx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/tlv320adc3xxx.c b/sound/soc/codecs/tlv320adc3xxx.c
index 420bbf588efea..e100cc9f5c192 100644
--- a/sound/soc/codecs/tlv320adc3xxx.c
+++ b/sound/soc/codecs/tlv320adc3xxx.c
@@ -1429,7 +1429,7 @@ static int adc3xxx_i2c_probe(struct i2c_client *i2c)
return ret;
}
-static void __exit adc3xxx_i2c_remove(struct i2c_client *client)
+static void adc3xxx_i2c_remove(struct i2c_client *client)
{
struct adc3xxx *adc3xxx = i2c_get_clientdata(client);
@@ -1452,7 +1452,7 @@ static struct i2c_driver adc3xxx_i2c_driver = {
.of_match_table = tlv320adc3xxx_of_match,
},
.probe = adc3xxx_i2c_probe,
- .remove = __exit_p(adc3xxx_i2c_remove),
+ .remove = adc3xxx_i2c_remove,
.id_table = adc3xxx_i2c_id,
};
--
GitLab
From e8aff71ca93026209dd0eab9b285e6808cd87d05 Mon Sep 17 00:00:00 2001
From: Tiezhu Yang <yangtiezhu@loongson.cn>
Date: Mon, 11 Mar 2024 22:23:46 +0800
Subject: [PATCH 1115/2686] objtool/LoongArch: Enable objtool to be built
Add the minimal changes to enable objtool build on LoongArch,
most of the functions are stubs to only fix the build errors
when make -C tools/objtool.
This is similar with commit e52ec98c5ab1 ("objtool/powerpc:
Enable objtool to be built on ppc").
Co-developed-by: Jinyang He <hejinyang@loongson.cn>
Signed-off-by: Jinyang He <hejinyang@loongson.cn>
Co-developed-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
tools/objtool/arch/loongarch/Build | 2 +
tools/objtool/arch/loongarch/decode.c | 71 +++++++++++++++++++
.../arch/loongarch/include/arch/cfi_regs.h | 22 ++++++
.../objtool/arch/loongarch/include/arch/elf.h | 30 ++++++++
.../arch/loongarch/include/arch/special.h | 33 +++++++++
tools/objtool/arch/loongarch/special.c | 15 ++++
6 files changed, 173 insertions(+)
create mode 100644 tools/objtool/arch/loongarch/Build
create mode 100644 tools/objtool/arch/loongarch/decode.c
create mode 100644 tools/objtool/arch/loongarch/include/arch/cfi_regs.h
create mode 100644 tools/objtool/arch/loongarch/include/arch/elf.h
create mode 100644 tools/objtool/arch/loongarch/include/arch/special.h
create mode 100644 tools/objtool/arch/loongarch/special.c
diff --git a/tools/objtool/arch/loongarch/Build b/tools/objtool/arch/loongarch/Build
new file mode 100644
index 0000000000000..d24d5636a5b84
--- /dev/null
+++ b/tools/objtool/arch/loongarch/Build
@@ -0,0 +1,2 @@
+objtool-y += decode.o
+objtool-y += special.o
diff --git a/tools/objtool/arch/loongarch/decode.c b/tools/objtool/arch/loongarch/decode.c
new file mode 100644
index 0000000000000..cc74ba4e0f540
--- /dev/null
+++ b/tools/objtool/arch/loongarch/decode.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include <string.h>
+#include <objtool/check.h>
+
+int arch_ftrace_match(char *name)
+{
+ return !strcmp(name, "_mcount");
+}
+
+unsigned long arch_jump_destination(struct instruction *insn)
+{
+ return insn->offset + (insn->immediate << 2);
+}
+
+unsigned long arch_dest_reloc_offset(int addend)
+{
+ return addend;
+}
+
+bool arch_pc_relative_reloc(struct reloc *reloc)
+{
+ return false;
+}
+
+bool arch_callee_saved_reg(unsigned char reg)
+{
+ switch (reg) {
+ case CFI_RA:
+ case CFI_FP:
+ case CFI_S0 ... CFI_S8:
+ return true;
+ default:
+ return false;
+ }
+}
+
+int arch_decode_hint_reg(u8 sp_reg, int *base)
+{
+ return 0;
+}
+
+int arch_decode_instruction(struct objtool_file *file, const struct section *sec,
+ unsigned long offset, unsigned int maxlen,
+ struct instruction *insn)
+{
+ return 0;
+}
+
+const char *arch_nop_insn(int len)
+{
+ return NULL;
+}
+
+const char *arch_ret_insn(int len)
+{
+ return NULL;
+}
+
+void arch_initial_func_cfi_state(struct cfi_init_state *state)
+{
+ int i;
+
+ for (i = 0; i < CFI_NUM_REGS; i++) {
+ state->regs[i].base = CFI_UNDEFINED;
+ state->regs[i].offset = 0;
+ }
+
+ /* initial CFA (call frame address) */
+ state->cfa.base = CFI_SP;
+ state->cfa.offset = 0;
+}
diff --git a/tools/objtool/arch/loongarch/include/arch/cfi_regs.h b/tools/objtool/arch/loongarch/include/arch/cfi_regs.h
new file mode 100644
index 0000000000000..d183cc8f43bf3
--- /dev/null
+++ b/tools/objtool/arch/loongarch/include/arch/cfi_regs.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _OBJTOOL_ARCH_CFI_REGS_H
+#define _OBJTOOL_ARCH_CFI_REGS_H
+
+#define CFI_RA 1
+#define CFI_SP 3
+#define CFI_A0 4
+#define CFI_FP 22
+#define CFI_S0 23
+#define CFI_S1 24
+#define CFI_S2 25
+#define CFI_S3 26
+#define CFI_S4 27
+#define CFI_S5 28
+#define CFI_S6 29
+#define CFI_S7 30
+#define CFI_S8 31
+#define CFI_NUM_REGS 32
+
+#define CFI_BP CFI_FP
+
+#endif /* _OBJTOOL_ARCH_CFI_REGS_H */
diff --git a/tools/objtool/arch/loongarch/include/arch/elf.h b/tools/objtool/arch/loongarch/include/arch/elf.h
new file mode 100644
index 0000000000000..9623d663220ef
--- /dev/null
+++ b/tools/objtool/arch/loongarch/include/arch/elf.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _OBJTOOL_ARCH_ELF_H
+#define _OBJTOOL_ARCH_ELF_H
+
+/*
+ * See the following link for more info about ELF Relocation types:
+ * https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html#_relocations
+ */
+#ifndef R_LARCH_NONE
+#define R_LARCH_NONE 0
+#endif
+#ifndef R_LARCH_32
+#define R_LARCH_32 1
+#endif
+#ifndef R_LARCH_64
+#define R_LARCH_64 2
+#endif
+#ifndef R_LARCH_32_PCREL
+#define R_LARCH_32_PCREL 99
+#endif
+
+#define R_NONE R_LARCH_NONE
+#define R_ABS32 R_LARCH_32
+#define R_ABS64 R_LARCH_64
+#define R_DATA32 R_LARCH_32_PCREL
+#define R_DATA64 R_LARCH_32_PCREL
+#define R_TEXT32 R_LARCH_32_PCREL
+#define R_TEXT64 R_LARCH_32_PCREL
+
+#endif /* _OBJTOOL_ARCH_ELF_H */
diff --git a/tools/objtool/arch/loongarch/include/arch/special.h b/tools/objtool/arch/loongarch/include/arch/special.h
new file mode 100644
index 0000000000000..35fc979b550ab
--- /dev/null
+++ b/tools/objtool/arch/loongarch/include/arch/special.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _OBJTOOL_ARCH_SPECIAL_H
+#define _OBJTOOL_ARCH_SPECIAL_H
+
+/*
+ * See more info about struct exception_table_entry
+ * in arch/loongarch/include/asm/extable.h
+ */
+#define EX_ENTRY_SIZE 12
+#define EX_ORIG_OFFSET 0
+#define EX_NEW_OFFSET 4
+
+/*
+ * See more info about struct jump_entry
+ * in include/linux/jump_label.h
+ */
+#define JUMP_ENTRY_SIZE 16
+#define JUMP_ORIG_OFFSET 0
+#define JUMP_NEW_OFFSET 4
+#define JUMP_KEY_OFFSET 8
+
+/*
+ * See more info about struct alt_instr
+ * in arch/loongarch/include/asm/alternative.h
+ */
+#define ALT_ENTRY_SIZE 12
+#define ALT_ORIG_OFFSET 0
+#define ALT_NEW_OFFSET 4
+#define ALT_FEATURE_OFFSET 8
+#define ALT_ORIG_LEN_OFFSET 10
+#define ALT_NEW_LEN_OFFSET 11
+
+#endif /* _OBJTOOL_ARCH_SPECIAL_H */
diff --git a/tools/objtool/arch/loongarch/special.c b/tools/objtool/arch/loongarch/special.c
new file mode 100644
index 0000000000000..9bba1e9318e0b
--- /dev/null
+++ b/tools/objtool/arch/loongarch/special.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include <objtool/special.h>
+
+bool arch_support_alt_relocation(struct special_alt *special_alt,
+ struct instruction *insn,
+ struct reloc *reloc)
+{
+ return false;
+}
+
+struct reloc *arch_find_switch_table(struct objtool_file *file,
+ struct instruction *insn)
+{
+ return NULL;
+}
--
GitLab
From b2d23158e6c881326321c2351b92568be4e57030 Mon Sep 17 00:00:00 2001
From: Tiezhu Yang <yangtiezhu@loongson.cn>
Date: Mon, 11 Mar 2024 22:23:47 +0800
Subject: [PATCH 1116/2686] objtool/LoongArch: Implement instruction decoder
Only copy the minimal definitions of instruction opcodes and formats
in inst.h from arch/loongarch to tools/arch/loongarch, and also copy
the definition of sign_extend64() to tools/include/linux/bitops.h to
decode the following kinds of instructions:
(1) stack pointer related instructions
addi.d, ld.d, st.d, ldptr.d and stptr.d
(2) branch and jump related instructions
beq, bne, blt, bge, bltu, bgeu, beqz, bnez, bceqz, bcnez, b, bl and jirl
(3) other instructions
break, nop and ertn
See more info about instructions in LoongArch Reference Manual:
https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html
Co-developed-by: Jinyang He <hejinyang@loongson.cn>
Signed-off-by: Jinyang He <hejinyang@loongson.cn>
Co-developed-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
tools/arch/loongarch/include/asm/inst.h | 161 ++++++++++++++
tools/include/linux/bitops.h | 11 +
tools/objtool/arch/loongarch/decode.c | 273 +++++++++++++++++++++++-
3 files changed, 443 insertions(+), 2 deletions(-)
create mode 100644 tools/arch/loongarch/include/asm/inst.h
diff --git a/tools/arch/loongarch/include/asm/inst.h b/tools/arch/loongarch/include/asm/inst.h
new file mode 100644
index 0000000000000..c25b5853181db
--- /dev/null
+++ b/tools/arch/loongarch/include/asm/inst.h
@@ -0,0 +1,161 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+#ifndef _ASM_INST_H
+#define _ASM_INST_H
+
+#include <linux/bitops.h>
+
+#define LOONGARCH_INSN_NOP 0x03400000
+
+enum reg0i15_op {
+ break_op = 0x54,
+};
+
+enum reg0i26_op {
+ b_op = 0x14,
+ bl_op = 0x15,
+};
+
+enum reg1i21_op {
+ beqz_op = 0x10,
+ bnez_op = 0x11,
+ bceqz_op = 0x12, /* bits[9:8] = 0x00 */
+ bcnez_op = 0x12, /* bits[9:8] = 0x01 */
+};
+
+enum reg2_op {
+ ertn_op = 0x1920e,
+};
+
+enum reg2i12_op {
+ addid_op = 0x0b,
+ andi_op = 0x0d,
+ ldd_op = 0xa3,
+ std_op = 0xa7,
+};
+
+enum reg2i14_op {
+ ldptrd_op = 0x26,
+ stptrd_op = 0x27,
+};
+
+enum reg2i16_op {
+ jirl_op = 0x13,
+ beq_op = 0x16,
+ bne_op = 0x17,
+ blt_op = 0x18,
+ bge_op = 0x19,
+ bltu_op = 0x1a,
+ bgeu_op = 0x1b,
+};
+
+struct reg0i15_format {
+ unsigned int immediate : 15;
+ unsigned int opcode : 17;
+};
+
+struct reg0i26_format {
+ unsigned int immediate_h : 10;
+ unsigned int immediate_l : 16;
+ unsigned int opcode : 6;
+};
+
+struct reg1i21_format {
+ unsigned int immediate_h : 5;
+ unsigned int rj : 5;
+ unsigned int immediate_l : 16;
+ unsigned int opcode : 6;
+};
+
+struct reg2_format {
+ unsigned int rd : 5;
+ unsigned int rj : 5;
+ unsigned int opcode : 22;
+};
+
+struct reg2i12_format {
+ unsigned int rd : 5;
+ unsigned int rj : 5;
+ unsigned int immediate : 12;
+ unsigned int opcode : 10;
+};
+
+struct reg2i14_format {
+ unsigned int rd : 5;
+ unsigned int rj : 5;
+ unsigned int immediate : 14;
+ unsigned int opcode : 8;
+};
+
+struct reg2i16_format {
+ unsigned int rd : 5;
+ unsigned int rj : 5;
+ unsigned int immediate : 16;
+ unsigned int opcode : 6;
+};
+
+union loongarch_instruction {
+ unsigned int word;
+ struct reg0i15_format reg0i15_format;
+ struct reg0i26_format reg0i26_format;
+ struct reg1i21_format reg1i21_format;
+ struct reg2_format reg2_format;
+ struct reg2i12_format reg2i12_format;
+ struct reg2i14_format reg2i14_format;
+ struct reg2i16_format reg2i16_format;
+};
+
+#define LOONGARCH_INSN_SIZE sizeof(union loongarch_instruction)
+
+enum loongarch_gpr {
+ LOONGARCH_GPR_ZERO = 0,
+ LOONGARCH_GPR_RA = 1,
+ LOONGARCH_GPR_TP = 2,
+ LOONGARCH_GPR_SP = 3,
+ LOONGARCH_GPR_A0 = 4, /* Reused as V0 for return value */
+ LOONGARCH_GPR_A1, /* Reused as V1 for return value */
+ LOONGARCH_GPR_A2,
+ LOONGARCH_GPR_A3,
+ LOONGARCH_GPR_A4,
+ LOONGARCH_GPR_A5,
+ LOONGARCH_GPR_A6,
+ LOONGARCH_GPR_A7,
+ LOONGARCH_GPR_T0 = 12,
+ LOONGARCH_GPR_T1,
+ LOONGARCH_GPR_T2,
+ LOONGARCH_GPR_T3,
+ LOONGARCH_GPR_T4,
+ LOONGARCH_GPR_T5,
+ LOONGARCH_GPR_T6,
+ LOONGARCH_GPR_T7,
+ LOONGARCH_GPR_T8,
+ LOONGARCH_GPR_FP = 22,
+ LOONGARCH_GPR_S0 = 23,
+ LOONGARCH_GPR_S1,
+ LOONGARCH_GPR_S2,
+ LOONGARCH_GPR_S3,
+ LOONGARCH_GPR_S4,
+ LOONGARCH_GPR_S5,
+ LOONGARCH_GPR_S6,
+ LOONGARCH_GPR_S7,
+ LOONGARCH_GPR_S8,
+ LOONGARCH_GPR_MAX
+};
+
+#define DEF_EMIT_REG2I16_FORMAT(NAME, OP) \
+static inline void emit_##NAME(union loongarch_instruction *insn, \
+ enum loongarch_gpr rj, \
+ enum loongarch_gpr rd, \
+ int offset) \
+{ \
+ insn->reg2i16_format.opcode = OP; \
+ insn->reg2i16_format.immediate = offset; \
+ insn->reg2i16_format.rj = rj; \
+ insn->reg2i16_format.rd = rd; \
+}
+
+DEF_EMIT_REG2I16_FORMAT(jirl, jirl_op)
+
+#endif /* _ASM_INST_H */
diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h
index f18683b95ea67..7319f6ced1086 100644
--- a/tools/include/linux/bitops.h
+++ b/tools/include/linux/bitops.h
@@ -87,4 +87,15 @@ static inline __u32 rol32(__u32 word, unsigned int shift)
return (word << shift) | (word >> ((-shift) & 31));
}
+/**
+ * sign_extend64 - sign extend a 64-bit value using specified bit as sign-bit
+ * @value: value to sign extend
+ * @index: 0 based bit index (0<=index<64) to sign bit
+ */
+static __always_inline __s64 sign_extend64(__u64 value, int index)
+{
+ __u8 shift = 63 - index;
+ return (__s64)(value << shift) >> shift;
+}
+
#endif
diff --git a/tools/objtool/arch/loongarch/decode.c b/tools/objtool/arch/loongarch/decode.c
index cc74ba4e0f540..ff0b53144d126 100644
--- a/tools/objtool/arch/loongarch/decode.c
+++ b/tools/objtool/arch/loongarch/decode.c
@@ -1,6 +1,12 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include <string.h>
#include <objtool/check.h>
+#include <objtool/warn.h>
+#include <asm/inst.h>
+
+#ifndef EM_LOONGARCH
+#define EM_LOONGARCH 258
+#endif
int arch_ftrace_match(char *name)
{
@@ -39,21 +45,284 @@ int arch_decode_hint_reg(u8 sp_reg, int *base)
return 0;
}
+static bool is_loongarch(const struct elf *elf)
+{
+ if (elf->ehdr.e_machine == EM_LOONGARCH)
+ return true;
+
+ WARN("unexpected ELF machine type %d", elf->ehdr.e_machine);
+ return false;
+}
+
+#define ADD_OP(op) \
+ if (!(op = calloc(1, sizeof(*op)))) \
+ return -1; \
+ else for (*ops_list = op, ops_list = &op->next; op; op = NULL)
+
+static bool decode_insn_reg0i26_fomat(union loongarch_instruction inst,
+ struct instruction *insn)
+{
+ switch (inst.reg0i26_format.opcode) {
+ case b_op:
+ insn->type = INSN_JUMP_UNCONDITIONAL;
+ insn->immediate = sign_extend64(inst.reg0i26_format.immediate_h << 16 |
+ inst.reg0i26_format.immediate_l, 25);
+ break;
+ case bl_op:
+ insn->type = INSN_CALL;
+ insn->immediate = sign_extend64(inst.reg0i26_format.immediate_h << 16 |
+ inst.reg0i26_format.immediate_l, 25);
+ break;
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+static bool decode_insn_reg1i21_fomat(union loongarch_instruction inst,
+ struct instruction *insn)
+{
+ switch (inst.reg1i21_format.opcode) {
+ case beqz_op:
+ case bnez_op:
+ case bceqz_op:
+ insn->type = INSN_JUMP_CONDITIONAL;
+ insn->immediate = sign_extend64(inst.reg1i21_format.immediate_h << 16 |
+ inst.reg1i21_format.immediate_l, 20);
+ break;
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+static bool decode_insn_reg2i12_fomat(union loongarch_instruction inst,
+ struct instruction *insn,
+ struct stack_op **ops_list,
+ struct stack_op *op)
+{
+ switch (inst.reg2i12_format.opcode) {
+ case addid_op:
+ if ((inst.reg2i12_format.rd == CFI_SP) || (inst.reg2i12_format.rj == CFI_SP)) {
+ /* addi.d sp,sp,si12 or addi.d fp,sp,si12 */
+ insn->immediate = sign_extend64(inst.reg2i12_format.immediate, 11);
+ ADD_OP(op) {
+ op->src.type = OP_SRC_ADD;
+ op->src.reg = inst.reg2i12_format.rj;
+ op->src.offset = insn->immediate;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = inst.reg2i12_format.rd;
+ }
+ }
+ break;
+ case ldd_op:
+ if (inst.reg2i12_format.rj == CFI_SP) {
+ /* ld.d rd,sp,si12 */
+ insn->immediate = sign_extend64(inst.reg2i12_format.immediate, 11);
+ ADD_OP(op) {
+ op->src.type = OP_SRC_REG_INDIRECT;
+ op->src.reg = CFI_SP;
+ op->src.offset = insn->immediate;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = inst.reg2i12_format.rd;
+ }
+ }
+ break;
+ case std_op:
+ if (inst.reg2i12_format.rj == CFI_SP) {
+ /* st.d rd,sp,si12 */
+ insn->immediate = sign_extend64(inst.reg2i12_format.immediate, 11);
+ ADD_OP(op) {
+ op->src.type = OP_SRC_REG;
+ op->src.reg = inst.reg2i12_format.rd;
+ op->dest.type = OP_DEST_REG_INDIRECT;
+ op->dest.reg = CFI_SP;
+ op->dest.offset = insn->immediate;
+ }
+ }
+ break;
+ case andi_op:
+ if (inst.reg2i12_format.rd == 0 &&
+ inst.reg2i12_format.rj == 0 &&
+ inst.reg2i12_format.immediate == 0)
+ /* andi r0,r0,0 */
+ insn->type = INSN_NOP;
+ break;
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+static bool decode_insn_reg2i14_fomat(union loongarch_instruction inst,
+ struct instruction *insn,
+ struct stack_op **ops_list,
+ struct stack_op *op)
+{
+ switch (inst.reg2i14_format.opcode) {
+ case ldptrd_op:
+ if (inst.reg2i14_format.rj == CFI_SP) {
+ /* ldptr.d rd,sp,si14 */
+ insn->immediate = sign_extend64(inst.reg2i14_format.immediate, 13);
+ ADD_OP(op) {
+ op->src.type = OP_SRC_REG_INDIRECT;
+ op->src.reg = CFI_SP;
+ op->src.offset = insn->immediate;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = inst.reg2i14_format.rd;
+ }
+ }
+ break;
+ case stptrd_op:
+ if (inst.reg2i14_format.rj == CFI_SP) {
+ /* stptr.d ra,sp,0 */
+ if (inst.reg2i14_format.rd == LOONGARCH_GPR_RA &&
+ inst.reg2i14_format.immediate == 0)
+ break;
+
+ /* stptr.d rd,sp,si14 */
+ insn->immediate = sign_extend64(inst.reg2i14_format.immediate, 13);
+ ADD_OP(op) {
+ op->src.type = OP_SRC_REG;
+ op->src.reg = inst.reg2i14_format.rd;
+ op->dest.type = OP_DEST_REG_INDIRECT;
+ op->dest.reg = CFI_SP;
+ op->dest.offset = insn->immediate;
+ }
+ }
+ break;
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+static bool decode_insn_reg2i16_fomat(union loongarch_instruction inst,
+ struct instruction *insn)
+{
+ switch (inst.reg2i16_format.opcode) {
+ case jirl_op:
+ if (inst.reg2i16_format.rd == 0 &&
+ inst.reg2i16_format.rj == CFI_RA &&
+ inst.reg2i16_format.immediate == 0) {
+ /* jirl r0,ra,0 */
+ insn->type = INSN_RETURN;
+ } else if (inst.reg2i16_format.rd == CFI_RA) {
+ /* jirl ra,rj,offs16 */
+ insn->type = INSN_CALL_DYNAMIC;
+ } else if (inst.reg2i16_format.rd == CFI_A0 &&
+ inst.reg2i16_format.immediate == 0) {
+ /*
+ * jirl a0,t0,0
+ * this is a special case in loongarch_suspend_enter,
+ * just treat it as a call instruction.
+ */
+ insn->type = INSN_CALL_DYNAMIC;
+ } else if (inst.reg2i16_format.rd == 0 &&
+ inst.reg2i16_format.immediate == 0) {
+ /* jirl r0,rj,0 */
+ insn->type = INSN_JUMP_DYNAMIC;
+ } else if (inst.reg2i16_format.rd == 0 &&
+ inst.reg2i16_format.immediate != 0) {
+ /*
+ * jirl r0,t0,12
+ * this is a rare case in JUMP_VIRT_ADDR,
+ * just ignore it due to it is harmless for tracing.
+ */
+ break;
+ } else {
+ /* jirl rd,rj,offs16 */
+ insn->type = INSN_JUMP_UNCONDITIONAL;
+ insn->immediate = sign_extend64(inst.reg2i16_format.immediate, 15);
+ }
+ break;
+ case beq_op:
+ case bne_op:
+ case blt_op:
+ case bge_op:
+ case bltu_op:
+ case bgeu_op:
+ insn->type = INSN_JUMP_CONDITIONAL;
+ insn->immediate = sign_extend64(inst.reg2i16_format.immediate, 15);
+ break;
+ default:
+ return false;
+ }
+
+ return true;
+}
+
int arch_decode_instruction(struct objtool_file *file, const struct section *sec,
unsigned long offset, unsigned int maxlen,
struct instruction *insn)
{
+ struct stack_op **ops_list = &insn->stack_ops;
+ const struct elf *elf = file->elf;
+ struct stack_op *op = NULL;
+ union loongarch_instruction inst;
+
+ if (!is_loongarch(elf))
+ return -1;
+
+ if (maxlen < LOONGARCH_INSN_SIZE)
+ return 0;
+
+ insn->len = LOONGARCH_INSN_SIZE;
+ insn->type = INSN_OTHER;
+ insn->immediate = 0;
+
+ inst = *(union loongarch_instruction *)(sec->data->d_buf + offset);
+
+ if (decode_insn_reg0i26_fomat(inst, insn))
+ return 0;
+ if (decode_insn_reg1i21_fomat(inst, insn))
+ return 0;
+ if (decode_insn_reg2i12_fomat(inst, insn, ops_list, op))
+ return 0;
+ if (decode_insn_reg2i14_fomat(inst, insn, ops_list, op))
+ return 0;
+ if (decode_insn_reg2i16_fomat(inst, insn))
+ return 0;
+
+ if (inst.word == 0)
+ insn->type = INSN_NOP;
+ else if (inst.reg0i15_format.opcode == break_op) {
+ /* break */
+ insn->type = INSN_BUG;
+ } else if (inst.reg2_format.opcode == ertn_op) {
+ /* ertn */
+ insn->type = INSN_RETURN;
+ }
+
return 0;
}
const char *arch_nop_insn(int len)
{
- return NULL;
+ static u32 nop;
+
+ if (len != LOONGARCH_INSN_SIZE)
+ WARN("invalid NOP size: %d\n", len);
+
+ nop = LOONGARCH_INSN_NOP;
+
+ return (const char *)&nop;
}
const char *arch_ret_insn(int len)
{
- return NULL;
+ static u32 ret;
+
+ if (len != LOONGARCH_INSN_SIZE)
+ WARN("invalid RET size: %d\n", len);
+
+ emit_jirl((union loongarch_instruction *)&ret, LOONGARCH_GPR_RA, LOONGARCH_GPR_ZERO, 0);
+
+ return (const char *)&ret;
}
void arch_initial_func_cfi_state(struct cfi_init_state *state)
--
GitLab
From b8e85e6f3a09fc56b0ff574887798962ef8a8f80 Mon Sep 17 00:00:00 2001
From: Tiezhu Yang <yangtiezhu@loongson.cn>
Date: Mon, 11 Mar 2024 22:23:47 +0800
Subject: [PATCH 1117/2686] objtool/x86: Separate arch-specific and generic
parts
Move init_orc_entry(), write_orc_entry(), reg_name(), orc_type_name()
and print_reg() from generic orc_gen.c and orc_dump.c to arch-specific
orc.c, then introduce a new function orc_print_dump() to print info.
This is preparation for later patch, no functionality change.
Co-developed-by: Jinyang He <hejinyang@loongson.cn>
Signed-off-by: Jinyang He <hejinyang@loongson.cn>
Co-developed-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
tools/objtool/arch/x86/Build | 1 +
tools/objtool/arch/x86/orc.c | 188 ++++++++++++++++++++++++++++
tools/objtool/include/objtool/orc.h | 14 +++
tools/objtool/orc_dump.c | 69 +---------
tools/objtool/orc_gen.c | 113 +----------------
5 files changed, 206 insertions(+), 179 deletions(-)
create mode 100644 tools/objtool/arch/x86/orc.c
create mode 100644 tools/objtool/include/objtool/orc.h
diff --git a/tools/objtool/arch/x86/Build b/tools/objtool/arch/x86/Build
index 9f7869b5c5e0c..3dedb2fd8f3a0 100644
--- a/tools/objtool/arch/x86/Build
+++ b/tools/objtool/arch/x86/Build
@@ -1,5 +1,6 @@
objtool-y += special.o
objtool-y += decode.o
+objtool-y += orc.o
inat_tables_script = ../arch/x86/tools/gen-insn-attr-x86.awk
inat_tables_maps = ../arch/x86/lib/x86-opcode-map.txt
diff --git a/tools/objtool/arch/x86/orc.c b/tools/objtool/arch/x86/orc.c
new file mode 100644
index 0000000000000..b6cd943e87f93
--- /dev/null
+++ b/tools/objtool/arch/x86/orc.c
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include <linux/objtool_types.h>
+#include <asm/orc_types.h>
+
+#include <objtool/check.h>
+#include <objtool/orc.h>
+#include <objtool/warn.h>
+#include <objtool/endianness.h>
+
+int init_orc_entry(struct orc_entry *orc, struct cfi_state *cfi, struct instruction *insn)
+{
+ struct cfi_reg *bp = &cfi->regs[CFI_BP];
+
+ memset(orc, 0, sizeof(*orc));
+
+ if (!cfi) {
+ /*
+ * This is usually either unreachable nops/traps (which don't
+ * trigger unreachable instruction warnings), or
+ * STACK_FRAME_NON_STANDARD functions.
+ */
+ orc->type = ORC_TYPE_UNDEFINED;
+ return 0;
+ }
+
+ switch (cfi->type) {
+ case UNWIND_HINT_TYPE_UNDEFINED:
+ orc->type = ORC_TYPE_UNDEFINED;
+ return 0;
+ case UNWIND_HINT_TYPE_END_OF_STACK:
+ orc->type = ORC_TYPE_END_OF_STACK;
+ return 0;
+ case UNWIND_HINT_TYPE_CALL:
+ orc->type = ORC_TYPE_CALL;
+ break;
+ case UNWIND_HINT_TYPE_REGS:
+ orc->type = ORC_TYPE_REGS;
+ break;
+ case UNWIND_HINT_TYPE_REGS_PARTIAL:
+ orc->type = ORC_TYPE_REGS_PARTIAL;
+ break;
+ default:
+ WARN_INSN(insn, "unknown unwind hint type %d", cfi->type);
+ return -1;
+ }
+
+ orc->signal = cfi->signal;
+
+ switch (cfi->cfa.base) {
+ case CFI_SP:
+ orc->sp_reg = ORC_REG_SP;
+ break;
+ case CFI_SP_INDIRECT:
+ orc->sp_reg = ORC_REG_SP_INDIRECT;
+ break;
+ case CFI_BP:
+ orc->sp_reg = ORC_REG_BP;
+ break;
+ case CFI_BP_INDIRECT:
+ orc->sp_reg = ORC_REG_BP_INDIRECT;
+ break;
+ case CFI_R10:
+ orc->sp_reg = ORC_REG_R10;
+ break;
+ case CFI_R13:
+ orc->sp_reg = ORC_REG_R13;
+ break;
+ case CFI_DI:
+ orc->sp_reg = ORC_REG_DI;
+ break;
+ case CFI_DX:
+ orc->sp_reg = ORC_REG_DX;
+ break;
+ default:
+ WARN_INSN(insn, "unknown CFA base reg %d", cfi->cfa.base);
+ return -1;
+ }
+
+ switch (bp->base) {
+ case CFI_UNDEFINED:
+ orc->bp_reg = ORC_REG_UNDEFINED;
+ break;
+ case CFI_CFA:
+ orc->bp_reg = ORC_REG_PREV_SP;
+ break;
+ case CFI_BP:
+ orc->bp_reg = ORC_REG_BP;
+ break;
+ default:
+ WARN_INSN(insn, "unknown BP base reg %d", bp->base);
+ return -1;
+ }
+
+ orc->sp_offset = cfi->cfa.offset;
+ orc->bp_offset = bp->offset;
+
+ return 0;
+}
+
+int write_orc_entry(struct elf *elf, struct section *orc_sec,
+ struct section *ip_sec, unsigned int idx,
+ struct section *insn_sec, unsigned long insn_off,
+ struct orc_entry *o)
+{
+ struct orc_entry *orc;
+
+ /* populate ORC data */
+ orc = (struct orc_entry *)orc_sec->data->d_buf + idx;
+ memcpy(orc, o, sizeof(*orc));
+ orc->sp_offset = bswap_if_needed(elf, orc->sp_offset);
+ orc->bp_offset = bswap_if_needed(elf, orc->bp_offset);
+
+ /* populate reloc for ip */
+ if (!elf_init_reloc_text_sym(elf, ip_sec, idx * sizeof(int), idx,
+ insn_sec, insn_off))
+ return -1;
+
+ return 0;
+}
+
+static const char *reg_name(unsigned int reg)
+{
+ switch (reg) {
+ case ORC_REG_PREV_SP:
+ return "prevsp";
+ case ORC_REG_DX:
+ return "dx";
+ case ORC_REG_DI:
+ return "di";
+ case ORC_REG_BP:
+ return "bp";
+ case ORC_REG_SP:
+ return "sp";
+ case ORC_REG_R10:
+ return "r10";
+ case ORC_REG_R13:
+ return "r13";
+ case ORC_REG_BP_INDIRECT:
+ return "bp(ind)";
+ case ORC_REG_SP_INDIRECT:
+ return "sp(ind)";
+ default:
+ return "?";
+ }
+}
+
+static const char *orc_type_name(unsigned int type)
+{
+ switch (type) {
+ case ORC_TYPE_UNDEFINED:
+ return "(und)";
+ case ORC_TYPE_END_OF_STACK:
+ return "end";
+ case ORC_TYPE_CALL:
+ return "call";
+ case ORC_TYPE_REGS:
+ return "regs";
+ case ORC_TYPE_REGS_PARTIAL:
+ return "regs (partial)";
+ default:
+ return "?";
+ }
+}
+
+static void print_reg(unsigned int reg, int offset)
+{
+ if (reg == ORC_REG_BP_INDIRECT)
+ printf("(bp%+d)", offset);
+ else if (reg == ORC_REG_SP_INDIRECT)
+ printf("(sp)%+d", offset);
+ else if (reg == ORC_REG_UNDEFINED)
+ printf("(und)");
+ else
+ printf("%s%+d", reg_name(reg), offset);
+}
+
+void orc_print_dump(struct elf *dummy_elf, struct orc_entry *orc, int i)
+{
+ printf("type:%s", orc_type_name(orc[i].type));
+
+ printf(" sp:");
+ print_reg(orc[i].sp_reg, bswap_if_needed(dummy_elf, orc[i].sp_offset));
+
+ printf(" bp:");
+ print_reg(orc[i].bp_reg, bswap_if_needed(dummy_elf, orc[i].bp_offset));
+
+ printf(" signal:%d\n", orc[i].signal);
+}
diff --git a/tools/objtool/include/objtool/orc.h b/tools/objtool/include/objtool/orc.h
new file mode 100644
index 0000000000000..15a32def1071d
--- /dev/null
+++ b/tools/objtool/include/objtool/orc.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _OBJTOOL_ORC_H
+#define _OBJTOOL_ORC_H
+
+#include <objtool/check.h>
+
+int init_orc_entry(struct orc_entry *orc, struct cfi_state *cfi, struct instruction *insn);
+void orc_print_dump(struct elf *dummy_elf, struct orc_entry *orc, int i);
+int write_orc_entry(struct elf *elf, struct section *orc_sec,
+ struct section *ip_sec, unsigned int idx,
+ struct section *insn_sec, unsigned long insn_off,
+ struct orc_entry *o);
+
+#endif /* _OBJTOOL_ORC_H */
diff --git a/tools/objtool/orc_dump.c b/tools/objtool/orc_dump.c
index 0e183bb1c7205..a62247efb64f2 100644
--- a/tools/objtool/orc_dump.c
+++ b/tools/objtool/orc_dump.c
@@ -6,65 +6,10 @@
#include <unistd.h>
#include <asm/orc_types.h>
#include <objtool/objtool.h>
+#include <objtool/orc.h>
#include <objtool/warn.h>
#include <objtool/endianness.h>
-static const char *reg_name(unsigned int reg)
-{
- switch (reg) {
- case ORC_REG_PREV_SP:
- return "prevsp";
- case ORC_REG_DX:
- return "dx";
- case ORC_REG_DI:
- return "di";
- case ORC_REG_BP:
- return "bp";
- case ORC_REG_SP:
- return "sp";
- case ORC_REG_R10:
- return "r10";
- case ORC_REG_R13:
- return "r13";
- case ORC_REG_BP_INDIRECT:
- return "bp(ind)";
- case ORC_REG_SP_INDIRECT:
- return "sp(ind)";
- default:
- return "?";
- }
-}
-
-static const char *orc_type_name(unsigned int type)
-{
- switch (type) {
- case ORC_TYPE_UNDEFINED:
- return "(und)";
- case ORC_TYPE_END_OF_STACK:
- return "end";
- case ORC_TYPE_CALL:
- return "call";
- case ORC_TYPE_REGS:
- return "regs";
- case ORC_TYPE_REGS_PARTIAL:
- return "regs (partial)";
- default:
- return "?";
- }
-}
-
-static void print_reg(unsigned int reg, int offset)
-{
- if (reg == ORC_REG_BP_INDIRECT)
- printf("(bp%+d)", offset);
- else if (reg == ORC_REG_SP_INDIRECT)
- printf("(sp)%+d", offset);
- else if (reg == ORC_REG_UNDEFINED)
- printf("(und)");
- else
- printf("%s%+d", reg_name(reg), offset);
-}
-
int orc_dump(const char *_objname)
{
int fd, nr_entries, i, *orc_ip = NULL, orc_size = 0;
@@ -205,17 +150,7 @@ int orc_dump(const char *_objname)
printf("%llx:", (unsigned long long)(orc_ip_addr + (i * sizeof(int)) + orc_ip[i]));
}
- printf("type:%s", orc_type_name(orc[i].type));
-
- printf(" sp:");
-
- print_reg(orc[i].sp_reg, bswap_if_needed(&dummy_elf, orc[i].sp_offset));
-
- printf(" bp:");
-
- print_reg(orc[i].bp_reg, bswap_if_needed(&dummy_elf, orc[i].bp_offset));
-
- printf(" signal:%d\n", orc[i].signal);
+ orc_print_dump(&dummy_elf, orc, i);
}
elf_end(elf);
diff --git a/tools/objtool/orc_gen.c b/tools/objtool/orc_gen.c
index bae3439088671..922e6aac7cea7 100644
--- a/tools/objtool/orc_gen.c
+++ b/tools/objtool/orc_gen.c
@@ -10,121 +10,10 @@
#include <asm/orc_types.h>
#include <objtool/check.h>
+#include <objtool/orc.h>
#include <objtool/warn.h>
#include <objtool/endianness.h>
-static int init_orc_entry(struct orc_entry *orc, struct cfi_state *cfi,
- struct instruction *insn)
-{
- struct cfi_reg *bp = &cfi->regs[CFI_BP];
-
- memset(orc, 0, sizeof(*orc));
-
- if (!cfi) {
- /*
- * This is usually either unreachable nops/traps (which don't
- * trigger unreachable instruction warnings), or
- * STACK_FRAME_NON_STANDARD functions.
- */
- orc->type = ORC_TYPE_UNDEFINED;
- return 0;
- }
-
- switch (cfi->type) {
- case UNWIND_HINT_TYPE_UNDEFINED:
- orc->type = ORC_TYPE_UNDEFINED;
- return 0;
- case UNWIND_HINT_TYPE_END_OF_STACK:
- orc->type = ORC_TYPE_END_OF_STACK;
- return 0;
- case UNWIND_HINT_TYPE_CALL:
- orc->type = ORC_TYPE_CALL;
- break;
- case UNWIND_HINT_TYPE_REGS:
- orc->type = ORC_TYPE_REGS;
- break;
- case UNWIND_HINT_TYPE_REGS_PARTIAL:
- orc->type = ORC_TYPE_REGS_PARTIAL;
- break;
- default:
- WARN_INSN(insn, "unknown unwind hint type %d", cfi->type);
- return -1;
- }
-
- orc->signal = cfi->signal;
-
- switch (cfi->cfa.base) {
- case CFI_SP:
- orc->sp_reg = ORC_REG_SP;
- break;
- case CFI_SP_INDIRECT:
- orc->sp_reg = ORC_REG_SP_INDIRECT;
- break;
- case CFI_BP:
- orc->sp_reg = ORC_REG_BP;
- break;
- case CFI_BP_INDIRECT:
- orc->sp_reg = ORC_REG_BP_INDIRECT;
- break;
- case CFI_R10:
- orc->sp_reg = ORC_REG_R10;
- break;
- case CFI_R13:
- orc->sp_reg = ORC_REG_R13;
- break;
- case CFI_DI:
- orc->sp_reg = ORC_REG_DI;
- break;
- case CFI_DX:
- orc->sp_reg = ORC_REG_DX;
- break;
- default:
- WARN_INSN(insn, "unknown CFA base reg %d", cfi->cfa.base);
- return -1;
- }
-
- switch (bp->base) {
- case CFI_UNDEFINED:
- orc->bp_reg = ORC_REG_UNDEFINED;
- break;
- case CFI_CFA:
- orc->bp_reg = ORC_REG_PREV_SP;
- break;
- case CFI_BP:
- orc->bp_reg = ORC_REG_BP;
- break;
- default:
- WARN_INSN(insn, "unknown BP base reg %d", bp->base);
- return -1;
- }
-
- orc->sp_offset = cfi->cfa.offset;
- orc->bp_offset = bp->offset;
-
- return 0;
-}
-
-static int write_orc_entry(struct elf *elf, struct section *orc_sec,
- struct section *ip_sec, unsigned int idx,
- struct section *insn_sec, unsigned long insn_off,
- struct orc_entry *o)
-{
- struct orc_entry *orc;
-
- /* populate ORC data */
- orc = (struct orc_entry *)orc_sec->data->d_buf + idx;
- memcpy(orc, o, sizeof(*orc));
- orc->sp_offset = bswap_if_needed(elf, orc->sp_offset);
- orc->bp_offset = bswap_if_needed(elf, orc->bp_offset);
-
- /* populate reloc for ip */
- if (!elf_init_reloc_text_sym(elf, ip_sec, idx * sizeof(int), idx,
- insn_sec, insn_off))
- return -1;
-
- return 0;
-}
-
struct orc_list_entry {
struct list_head list;
struct orc_entry orc;
--
GitLab
From 3c7266cd7bc5e7843b631fea73cb0e82111e3158 Mon Sep 17 00:00:00 2001
From: Tiezhu Yang <yangtiezhu@loongson.cn>
Date: Mon, 11 Mar 2024 22:23:47 +0800
Subject: [PATCH 1118/2686] objtool/LoongArch: Enable orc to be built
Implement arch-specific init_orc_entry(), write_orc_entry(), reg_name(),
orc_type_name(), print_reg() and orc_print_dump(), then set BUILD_ORC as
y to build the orc related files.
Co-developed-by: Jinyang He <hejinyang@loongson.cn>
Signed-off-by: Jinyang He <hejinyang@loongson.cn>
Co-developed-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
tools/arch/loongarch/include/asm/orc_types.h | 58 +++++++
tools/objtool/Makefile | 4 +
tools/objtool/arch/loongarch/Build | 1 +
tools/objtool/arch/loongarch/decode.c | 16 ++
tools/objtool/arch/loongarch/orc.c | 171 +++++++++++++++++++
5 files changed, 250 insertions(+)
create mode 100644 tools/arch/loongarch/include/asm/orc_types.h
create mode 100644 tools/objtool/arch/loongarch/orc.c
diff --git a/tools/arch/loongarch/include/asm/orc_types.h b/tools/arch/loongarch/include/asm/orc_types.h
new file mode 100644
index 0000000000000..caf1f71a1057b
--- /dev/null
+++ b/tools/arch/loongarch/include/asm/orc_types.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _ORC_TYPES_H
+#define _ORC_TYPES_H
+
+#include <linux/types.h>
+
+/*
+ * The ORC_REG_* registers are base registers which are used to find other
+ * registers on the stack.
+ *
+ * ORC_REG_PREV_SP, also known as DWARF Call Frame Address (CFA), is the
+ * address of the previous frame: the caller's SP before it called the current
+ * function.
+ *
+ * ORC_REG_UNDEFINED means the corresponding register's value didn't change in
+ * the current frame.
+ *
+ * The most commonly used base registers are SP and FP -- which the previous SP
+ * is usually based on -- and PREV_SP and UNDEFINED -- which the previous FP is
+ * usually based on.
+ *
+ * The rest of the base registers are needed for special cases like entry code
+ * and GCC realigned stacks.
+ */
+#define ORC_REG_UNDEFINED 0
+#define ORC_REG_PREV_SP 1
+#define ORC_REG_SP 2
+#define ORC_REG_FP 3
+#define ORC_REG_MAX 4
+
+#define ORC_TYPE_UNDEFINED 0
+#define ORC_TYPE_END_OF_STACK 1
+#define ORC_TYPE_CALL 2
+#define ORC_TYPE_REGS 3
+#define ORC_TYPE_REGS_PARTIAL 4
+
+#ifndef __ASSEMBLY__
+/*
+ * This struct is more or less a vastly simplified version of the DWARF Call
+ * Frame Information standard. It contains only the necessary parts of DWARF
+ * CFI, simplified for ease of access by the in-kernel unwinder. It tells the
+ * unwinder how to find the previous SP and FP (and sometimes entry regs) on
+ * the stack for a given code address. Each instance of the struct corresponds
+ * to one or more code locations.
+ */
+struct orc_entry {
+ s16 sp_offset;
+ s16 fp_offset;
+ s16 ra_offset;
+ unsigned int sp_reg:4;
+ unsigned int fp_reg:4;
+ unsigned int ra_reg:4;
+ unsigned int type:3;
+ unsigned int signal:1;
+};
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ORC_TYPES_H */
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index 83b100c1e7f68..bf7f7f84ac625 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -57,6 +57,10 @@ ifeq ($(SRCARCH),x86)
BUILD_ORC := y
endif
+ifeq ($(SRCARCH),loongarch)
+ BUILD_ORC := y
+endif
+
export BUILD_ORC
export srctree OUTPUT CFLAGS SRCARCH AWK
include $(srctree)/tools/build/Makefile.include
diff --git a/tools/objtool/arch/loongarch/Build b/tools/objtool/arch/loongarch/Build
index d24d5636a5b84..1d4b784b6887a 100644
--- a/tools/objtool/arch/loongarch/Build
+++ b/tools/objtool/arch/loongarch/Build
@@ -1,2 +1,3 @@
objtool-y += decode.o
objtool-y += special.o
+objtool-y += orc.o
diff --git a/tools/objtool/arch/loongarch/decode.c b/tools/objtool/arch/loongarch/decode.c
index ff0b53144d126..aee479d2191c2 100644
--- a/tools/objtool/arch/loongarch/decode.c
+++ b/tools/objtool/arch/loongarch/decode.c
@@ -3,6 +3,8 @@
#include <objtool/check.h>
#include <objtool/warn.h>
#include <asm/inst.h>
+#include <asm/orc_types.h>
+#include <linux/objtool_types.h>
#ifndef EM_LOONGARCH
#define EM_LOONGARCH 258
@@ -42,6 +44,20 @@ bool arch_callee_saved_reg(unsigned char reg)
int arch_decode_hint_reg(u8 sp_reg, int *base)
{
+ switch (sp_reg) {
+ case ORC_REG_UNDEFINED:
+ *base = CFI_UNDEFINED;
+ break;
+ case ORC_REG_SP:
+ *base = CFI_SP;
+ break;
+ case ORC_REG_FP:
+ *base = CFI_FP;
+ break;
+ default:
+ return -1;
+ }
+
return 0;
}
diff --git a/tools/objtool/arch/loongarch/orc.c b/tools/objtool/arch/loongarch/orc.c
new file mode 100644
index 0000000000000..873536d009d91
--- /dev/null
+++ b/tools/objtool/arch/loongarch/orc.c
@@ -0,0 +1,171 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include <linux/objtool_types.h>
+#include <asm/orc_types.h>
+
+#include <objtool/check.h>
+#include <objtool/orc.h>
+#include <objtool/warn.h>
+#include <objtool/endianness.h>
+
+int init_orc_entry(struct orc_entry *orc, struct cfi_state *cfi, struct instruction *insn)
+{
+ struct cfi_reg *fp = &cfi->regs[CFI_FP];
+ struct cfi_reg *ra = &cfi->regs[CFI_RA];
+
+ memset(orc, 0, sizeof(*orc));
+
+ if (!cfi) {
+ /*
+ * This is usually either unreachable nops/traps (which don't
+ * trigger unreachable instruction warnings), or
+ * STACK_FRAME_NON_STANDARD functions.
+ */
+ orc->type = ORC_TYPE_UNDEFINED;
+ return 0;
+ }
+
+ switch (cfi->type) {
+ case UNWIND_HINT_TYPE_UNDEFINED:
+ orc->type = ORC_TYPE_UNDEFINED;
+ return 0;
+ case UNWIND_HINT_TYPE_END_OF_STACK:
+ orc->type = ORC_TYPE_END_OF_STACK;
+ return 0;
+ case UNWIND_HINT_TYPE_CALL:
+ orc->type = ORC_TYPE_CALL;
+ break;
+ case UNWIND_HINT_TYPE_REGS:
+ orc->type = ORC_TYPE_REGS;
+ break;
+ case UNWIND_HINT_TYPE_REGS_PARTIAL:
+ orc->type = ORC_TYPE_REGS_PARTIAL;
+ break;
+ default:
+ WARN_INSN(insn, "unknown unwind hint type %d", cfi->type);
+ return -1;
+ }
+
+ orc->signal = cfi->signal;
+
+ switch (cfi->cfa.base) {
+ case CFI_SP:
+ orc->sp_reg = ORC_REG_SP;
+ break;
+ case CFI_FP:
+ orc->sp_reg = ORC_REG_FP;
+ break;
+ default:
+ WARN_INSN(insn, "unknown CFA base reg %d", cfi->cfa.base);
+ return -1;
+ }
+
+ switch (fp->base) {
+ case CFI_UNDEFINED:
+ orc->fp_reg = ORC_REG_UNDEFINED;
+ orc->fp_offset = 0;
+ break;
+ case CFI_CFA:
+ orc->fp_reg = ORC_REG_PREV_SP;
+ orc->fp_offset = fp->offset;
+ break;
+ case CFI_FP:
+ orc->fp_reg = ORC_REG_FP;
+ break;
+ default:
+ WARN_INSN(insn, "unknown FP base reg %d", fp->base);
+ return -1;
+ }
+
+ switch (ra->base) {
+ case CFI_UNDEFINED:
+ orc->ra_reg = ORC_REG_UNDEFINED;
+ orc->ra_offset = 0;
+ break;
+ case CFI_CFA:
+ orc->ra_reg = ORC_REG_PREV_SP;
+ orc->ra_offset = ra->offset;
+ break;
+ case CFI_FP:
+ orc->ra_reg = ORC_REG_FP;
+ break;
+ default:
+ WARN_INSN(insn, "unknown RA base reg %d", ra->base);
+ return -1;
+ }
+
+ orc->sp_offset = cfi->cfa.offset;
+
+ return 0;
+}
+
+int write_orc_entry(struct elf *elf, struct section *orc_sec,
+ struct section *ip_sec, unsigned int idx,
+ struct section *insn_sec, unsigned long insn_off,
+ struct orc_entry *o)
+{
+ struct orc_entry *orc;
+
+ /* populate ORC data */
+ orc = (struct orc_entry *)orc_sec->data->d_buf + idx;
+ memcpy(orc, o, sizeof(*orc));
+
+ /* populate reloc for ip */
+ if (!elf_init_reloc_text_sym(elf, ip_sec, idx * sizeof(int), idx,
+ insn_sec, insn_off))
+ return -1;
+
+ return 0;
+}
+
+static const char *reg_name(unsigned int reg)
+{
+ switch (reg) {
+ case ORC_REG_SP:
+ return "sp";
+ case ORC_REG_FP:
+ return "fp";
+ case ORC_REG_PREV_SP:
+ return "prevsp";
+ default:
+ return "?";
+ }
+}
+
+static const char *orc_type_name(unsigned int type)
+{
+ switch (type) {
+ case UNWIND_HINT_TYPE_CALL:
+ return "call";
+ case UNWIND_HINT_TYPE_REGS:
+ return "regs";
+ case UNWIND_HINT_TYPE_REGS_PARTIAL:
+ return "regs (partial)";
+ default:
+ return "?";
+ }
+}
+
+static void print_reg(unsigned int reg, int offset)
+{
+ if (reg == ORC_REG_UNDEFINED)
+ printf(" (und) ");
+ else
+ printf("%s + %3d", reg_name(reg), offset);
+
+}
+
+void orc_print_dump(struct elf *dummy_elf, struct orc_entry *orc, int i)
+{
+ printf("type:%s", orc_type_name(orc[i].type));
+
+ printf(" sp:");
+ print_reg(orc[i].sp_reg, orc[i].sp_offset);
+
+ printf(" fp:");
+ print_reg(orc[i].fp_reg, orc[i].fp_offset);
+
+ printf(" ra:");
+ print_reg(orc[i].ra_reg, orc[i].ra_offset);
+
+ printf(" signal:%d\n", orc[i].signal);
+}
--
GitLab
From d5ab2bc36c6b0ce2f3409f934ff9cdf6d6768fa2 Mon Sep 17 00:00:00 2001
From: Tiezhu Yang <yangtiezhu@loongson.cn>
Date: Mon, 11 Mar 2024 22:23:47 +0800
Subject: [PATCH 1119/2686] objtool: Check local label in add_dead_ends()
When update the latest upstream gcc and binutils, it generates more
objtool warnings on LoongArch, like this:
init/main.o: warning: objtool: unexpected relocation symbol type in .rela.discard.unreachable
We can see that the reloc sym name is local label instead of section in
relocation section '.rela.discard.unreachable', in this case, the reloc
sym type is STT_NOTYPE instead of STT_SECTION.
As suggested by Peter Zijlstra, we add a "local_label" member in struct
symbol, then set it as true if symbol type is STT_NOTYPE and symbol name
starts with ".L" string in classify_symbols().
Let's check reloc->sym->local_label to not return -1 in add_dead_ends(),
and also use reloc->sym->offset instead of reloc addend which is 0 to
find the corresponding instruction. At the same time, let's replace the
variable "addend" with "offset" to reflect the reality.
Here are some detailed info:
[fedora@linux 6.8.test]$ gcc --version
gcc (GCC) 14.0.1 20240129 (experimental)
[fedora@linux 6.8.test]$ as --version
GNU assembler (GNU Binutils) 2.42.50.20240129
[fedora@linux 6.8.test]$ readelf -r init/main.o | grep -A 2 "rela.discard.unreachable"
Relocation section '.rela.discard.unreachable' at offset 0x6028 contains 1 entry:
Offset Info Type Sym. Value Sym. Name + Addend
000000000000 00d900000063 R_LARCH_32_PCREL 00000000000002c4 .L500^B1 + 0
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
tools/objtool/check.c | 40 +++++++++++++++++------------
tools/objtool/include/objtool/elf.h | 1 +
2 files changed, 24 insertions(+), 17 deletions(-)
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 548ec3cd7c00c..d0e82c729dd99 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -20,6 +20,7 @@
#include <linux/hashtable.h>
#include <linux/kernel.h>
#include <linux/static_call_types.h>
+#include <linux/string.h>
struct alternative {
struct alternative *next;
@@ -584,7 +585,7 @@ static int add_dead_ends(struct objtool_file *file)
struct section *rsec;
struct reloc *reloc;
struct instruction *insn;
- s64 addend;
+ unsigned long offset;
/*
* Check for manually annotated dead ends.
@@ -594,27 +595,28 @@ static int add_dead_ends(struct objtool_file *file)
goto reachable;
for_each_reloc(rsec, reloc) {
-
- if (reloc->sym->type != STT_SECTION) {
+ if (reloc->sym->type == STT_SECTION) {
+ offset = reloc_addend(reloc);
+ } else if (reloc->sym->local_label) {
+ offset = reloc->sym->offset;
+ } else {
WARN("unexpected relocation symbol type in %s", rsec->name);
return -1;
}
- addend = reloc_addend(reloc);
-
- insn = find_insn(file, reloc->sym->sec, addend);
+ insn = find_insn(file, reloc->sym->sec, offset);
if (insn)
insn = prev_insn_same_sec(file, insn);
- else if (addend == reloc->sym->sec->sh.sh_size) {
+ else if (offset == reloc->sym->sec->sh.sh_size) {
insn = find_last_insn(file, reloc->sym->sec);
if (!insn) {
WARN("can't find unreachable insn at %s+0x%" PRIx64,
- reloc->sym->sec->name, addend);
+ reloc->sym->sec->name, offset);
return -1;
}
} else {
WARN("can't find unreachable insn at %s+0x%" PRIx64,
- reloc->sym->sec->name, addend);
+ reloc->sym->sec->name, offset);
return -1;
}
@@ -633,27 +635,28 @@ static int add_dead_ends(struct objtool_file *file)
return 0;
for_each_reloc(rsec, reloc) {
-
- if (reloc->sym->type != STT_SECTION) {
+ if (reloc->sym->type == STT_SECTION) {
+ offset = reloc_addend(reloc);
+ } else if (reloc->sym->local_label) {
+ offset = reloc->sym->offset;
+ } else {
WARN("unexpected relocation symbol type in %s", rsec->name);
return -1;
}
- addend = reloc_addend(reloc);
-
- insn = find_insn(file, reloc->sym->sec, addend);
+ insn = find_insn(file, reloc->sym->sec, offset);
if (insn)
insn = prev_insn_same_sec(file, insn);
- else if (addend == reloc->sym->sec->sh.sh_size) {
+ else if (offset == reloc->sym->sec->sh.sh_size) {
insn = find_last_insn(file, reloc->sym->sec);
if (!insn) {
WARN("can't find reachable insn at %s+0x%" PRIx64,
- reloc->sym->sec->name, addend);
+ reloc->sym->sec->name, offset);
return -1;
}
} else {
WARN("can't find reachable insn at %s+0x%" PRIx64,
- reloc->sym->sec->name, addend);
+ reloc->sym->sec->name, offset);
return -1;
}
@@ -2522,6 +2525,9 @@ static int classify_symbols(struct objtool_file *file)
struct symbol *func;
for_each_sym(file, func) {
+ if (func->type == STT_NOTYPE && strstarts(func->name, ".L"))
+ func->local_label = true;
+
if (func->bind != STB_GLOBAL)
continue;
diff --git a/tools/objtool/include/objtool/elf.h b/tools/objtool/include/objtool/elf.h
index 9f71e988eca45..2b8a69de4db87 100644
--- a/tools/objtool/include/objtool/elf.h
+++ b/tools/objtool/include/objtool/elf.h
@@ -67,6 +67,7 @@ struct symbol {
u8 profiling_func : 1;
u8 warned : 1;
u8 embedded_insn : 1;
+ u8 local_label : 1;
struct list_head pv_target;
struct reloc *relocs;
};
--
GitLab
From e91c5e4c21b0339376ee124cda5c9b27d41f2cbc Mon Sep 17 00:00:00 2001
From: Tiezhu Yang <yangtiezhu@loongson.cn>
Date: Mon, 11 Mar 2024 22:23:47 +0800
Subject: [PATCH 1120/2686] objtool: Check local label in read_unwind_hints()
When update the latest upstream gcc and binutils, it generates some
objtool warnings on LoongArch, like this:
arch/loongarch/kernel/entry.o: warning: objtool: ret_from_fork+0x0: unreachable instruction
We can see that the reloc sym name is local label instead of section
in relocation section '.rela.discard.unwind_hints', in this case, the
reloc sym type is STT_NOTYPE instead of STT_SECTION. Let us check it
to not return -1, then use reloc->sym->offset instead of reloc addend
which is 0 to find the corresponding instruction.
Here are some detailed info:
[fedora@linux 6.8.test]$ gcc --version
gcc (GCC) 14.0.1 20240129 (experimental)
[fedora@linux 6.8.test]$ as --version
GNU assembler (GNU Binutils) 2.42.50.20240129
[fedora@linux 6.8.test]$ readelf -r arch/loongarch/kernel/entry.o | grep -A 3 "rela.discard.unwind_hints"
Relocation section '.rela.discard.unwind_hints' at offset 0x3a8 contains 7 entries:
Offset Info Type Sym. Value Sym. Name + Addend
000000000000 000a00000063 R_LARCH_32_PCREL 0000000000000000 .Lhere_1 + 0
00000000000c 000b00000063 R_LARCH_32_PCREL 00000000000000a8 .Lhere_50 + 0
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
tools/objtool/check.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index d0e82c729dd99..1009d144f756a 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -2227,6 +2227,7 @@ static int read_unwind_hints(struct objtool_file *file)
struct unwind_hint *hint;
struct instruction *insn;
struct reloc *reloc;
+ unsigned long offset;
int i;
sec = find_section_by_name(file->elf, ".discard.unwind_hints");
@@ -2254,7 +2255,16 @@ static int read_unwind_hints(struct objtool_file *file)
return -1;
}
- insn = find_insn(file, reloc->sym->sec, reloc_addend(reloc));
+ if (reloc->sym->type == STT_SECTION) {
+ offset = reloc_addend(reloc);
+ } else if (reloc->sym->local_label) {
+ offset = reloc->sym->offset;
+ } else {
+ WARN("unexpected relocation symbol type in %s", sec->rsec->name);
+ return -1;
+ }
+
+ insn = find_insn(file, reloc->sym->sec, offset);
if (!insn) {
WARN("can't find insn for unwind_hints[%d]", i);
return -1;
--
GitLab
From cb8a2ef0848ca80d67d6d56e2df757cfdf6b3355 Mon Sep 17 00:00:00 2001
From: Tiezhu Yang <yangtiezhu@loongson.cn>
Date: Mon, 11 Mar 2024 22:23:47 +0800
Subject: [PATCH 1121/2686] LoongArch: Add ORC stack unwinder support
The kernel CONFIG_UNWINDER_ORC option enables the ORC unwinder, which is
similar in concept to a DWARF unwinder. The difference is that the format
of the ORC data is much simpler than DWARF, which in turn allows the ORC
unwinder to be much simpler and faster.
The ORC data consists of unwind tables which are generated by objtool.
After analyzing all the code paths of a .o file, it determines information
about the stack state at each instruction address in the file and outputs
that information to the .orc_unwind and .orc_unwind_ip sections.
The per-object ORC sections are combined at link time and are sorted and
post-processed at boot time. The unwinder uses the resulting data to
correlate instruction addresses with their stack states at run time.
Most of the logic are similar with x86, in order to get ra info before ra
is saved into stack, add ra_reg and ra_offset into orc_entry. At the same
time, modify some arch-specific code to silence the objtool warnings.
Co-developed-by: Jinyang He <hejinyang@loongson.cn>
Signed-off-by: Jinyang He <hejinyang@loongson.cn>
Co-developed-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/Kconfig | 2 +
arch/loongarch/Kconfig.debug | 11 +
arch/loongarch/Makefile | 23 +-
arch/loongarch/include/asm/Kbuild | 2 +
arch/loongarch/include/asm/bug.h | 1 +
arch/loongarch/include/asm/exception.h | 2 +
arch/loongarch/include/asm/module.h | 7 +
arch/loongarch/include/asm/orc_header.h | 18 +
arch/loongarch/include/asm/orc_lookup.h | 31 ++
arch/loongarch/include/asm/orc_types.h | 58 +++
arch/loongarch/include/asm/stackframe.h | 3 +
arch/loongarch/include/asm/unwind.h | 20 +-
arch/loongarch/include/asm/unwind_hints.h | 28 ++
arch/loongarch/kernel/Makefile | 4 +
arch/loongarch/kernel/entry.S | 5 +
arch/loongarch/kernel/fpu.S | 7 +
arch/loongarch/kernel/genex.S | 6 +
arch/loongarch/kernel/lbt.S | 3 +
arch/loongarch/kernel/mcount_dyn.S | 6 +
arch/loongarch/kernel/module.c | 22 +-
arch/loongarch/kernel/relocate_kernel.S | 7 +-
arch/loongarch/kernel/rethook_trampoline.S | 1 +
arch/loongarch/kernel/setup.c | 2 +
arch/loongarch/kernel/stacktrace.c | 1 +
arch/loongarch/kernel/traps.c | 42 +-
arch/loongarch/kernel/unwind_orc.c | 528 +++++++++++++++++++++
arch/loongarch/kernel/vmlinux.lds.S | 3 +
arch/loongarch/kvm/switch.S | 9 +-
arch/loongarch/lib/clear_user.S | 3 +
arch/loongarch/lib/copy_user.S | 3 +
arch/loongarch/lib/memcpy.S | 3 +
arch/loongarch/lib/memset.S | 3 +
arch/loongarch/mm/tlb.c | 27 +-
arch/loongarch/mm/tlbex.S | 9 +
arch/loongarch/vdso/Makefile | 1 +
include/linux/compiler.h | 9 +
scripts/Makefile | 7 +-
37 files changed, 875 insertions(+), 42 deletions(-)
create mode 100644 arch/loongarch/include/asm/orc_header.h
create mode 100644 arch/loongarch/include/asm/orc_lookup.h
create mode 100644 arch/loongarch/include/asm/orc_types.h
create mode 100644 arch/loongarch/include/asm/unwind_hints.h
create mode 100644 arch/loongarch/kernel/unwind_orc.c
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index 929f68926b343..8d6725115ac6b 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -136,6 +136,7 @@ config LOONGARCH
select HAVE_KVM
select HAVE_MOD_ARCH_SPECIFIC
select HAVE_NMI
+ select HAVE_OBJTOOL if AS_HAS_EXPLICIT_RELOCS
select HAVE_PCI
select HAVE_PERF_EVENTS
select HAVE_PERF_REGS
@@ -148,6 +149,7 @@ config LOONGARCH
select HAVE_SAMPLE_FTRACE_DIRECT
select HAVE_SAMPLE_FTRACE_DIRECT_MULTI
select HAVE_SETUP_PER_CPU_AREA if NUMA
+ select HAVE_STACK_VALIDATION if HAVE_OBJTOOL
select HAVE_STACKPROTECTOR
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_TIF_NOHZ
diff --git a/arch/loongarch/Kconfig.debug b/arch/loongarch/Kconfig.debug
index 8d36aab530083..98d60630c3d4b 100644
--- a/arch/loongarch/Kconfig.debug
+++ b/arch/loongarch/Kconfig.debug
@@ -26,4 +26,15 @@ config UNWINDER_PROLOGUE
Some of the addresses it reports may be incorrect (but better than the
Guess unwinder).
+config UNWINDER_ORC
+ bool "ORC unwinder"
+ select OBJTOOL
+ help
+ This option enables the ORC (Oops Rewind Capability) unwinder for
+ unwinding kernel stack traces. It uses a custom data format which is
+ a simplified version of the DWARF Call Frame Information standard.
+
+ Enabling this option will increase the kernel's runtime memory usage
+ by roughly 2-4MB, depending on your kernel config.
+
endchoice
diff --git a/arch/loongarch/Makefile b/arch/loongarch/Makefile
index 983aa2b1629a6..e3bc02fb7fdcc 100644
--- a/arch/loongarch/Makefile
+++ b/arch/loongarch/Makefile
@@ -26,6 +26,18 @@ endif
32bit-emul = elf32loongarch
64bit-emul = elf64loongarch
+ifdef CONFIG_UNWINDER_ORC
+orc_hash_h := arch/$(SRCARCH)/include/generated/asm/orc_hash.h
+orc_hash_sh := $(srctree)/scripts/orc_hash.sh
+targets += $(orc_hash_h)
+quiet_cmd_orc_hash = GEN $@
+ cmd_orc_hash = mkdir -p $(dir $@); \
+ $(CONFIG_SHELL) $(orc_hash_sh) < $< > $@
+$(orc_hash_h): $(srctree)/arch/loongarch/include/asm/orc_types.h $(orc_hash_sh) FORCE
+ $(call if_changed,orc_hash)
+archprepare: $(orc_hash_h)
+endif
+
ifdef CONFIG_DYNAMIC_FTRACE
KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY
CC_FLAGS_FTRACE := -fpatchable-function-entry=2
@@ -72,8 +84,6 @@ KBUILD_CFLAGS_KERNEL += $(call cc-option,-mdirect-extern-access)
KBUILD_CFLAGS_KERNEL += $(call cc-option,-fdirect-access-external-data)
KBUILD_AFLAGS_MODULE += $(call cc-option,-fno-direct-access-external-data)
KBUILD_CFLAGS_MODULE += $(call cc-option,-fno-direct-access-external-data)
-KBUILD_AFLAGS_MODULE += $(call cc-option,-mno-relax) $(call cc-option,-Wa$(comma)-mno-relax)
-KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-relax) $(call cc-option,-Wa$(comma)-mno-relax)
else
cflags-y += $(call cc-option,-mno-explicit-relocs)
KBUILD_AFLAGS_KERNEL += -Wa,-mla-global-with-pcrel
@@ -82,6 +92,15 @@ KBUILD_AFLAGS_MODULE += -Wa,-mla-global-with-abs
KBUILD_CFLAGS_MODULE += -fplt -Wa,-mla-global-with-abs,-mla-local-with-abs
endif
+KBUILD_AFLAGS += $(call cc-option,-mno-relax) $(call cc-option,-Wa$(comma)-mno-relax)
+KBUILD_CFLAGS += $(call cc-option,-mno-relax) $(call cc-option,-Wa$(comma)-mno-relax)
+KBUILD_AFLAGS += $(call cc-option,-mthin-add-sub) $(call cc-option,-Wa$(comma)-mthin-add-sub)
+KBUILD_CFLAGS += $(call cc-option,-mthin-add-sub) $(call cc-option,-Wa$(comma)-mthin-add-sub)
+
+ifdef CONFIG_OBJTOOL
+KBUILD_CFLAGS += -fno-jump-tables
+endif
+
KBUILD_RUSTFLAGS_MODULE += -Crelocation-model=pic
ifeq ($(CONFIG_RELOCATABLE),y)
diff --git a/arch/loongarch/include/asm/Kbuild b/arch/loongarch/include/asm/Kbuild
index 93783fa24f6e9..a97c0edbb866a 100644
--- a/arch/loongarch/include/asm/Kbuild
+++ b/arch/loongarch/include/asm/Kbuild
@@ -1,4 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
+generated-y += orc_hash.h
+
generic-y += dma-contiguous.h
generic-y += mcs_spinlock.h
generic-y += parport.h
diff --git a/arch/loongarch/include/asm/bug.h b/arch/loongarch/include/asm/bug.h
index d4ca3ba254188..08388876ade4c 100644
--- a/arch/loongarch/include/asm/bug.h
+++ b/arch/loongarch/include/asm/bug.h
@@ -44,6 +44,7 @@
do { \
instrumentation_begin(); \
__BUG_FLAGS(BUGFLAG_WARNING|(flags)); \
+ annotate_reachable(); \
instrumentation_end(); \
} while (0)
diff --git a/arch/loongarch/include/asm/exception.h b/arch/loongarch/include/asm/exception.h
index af74a3fdcad17..c6d20736fd927 100644
--- a/arch/loongarch/include/asm/exception.h
+++ b/arch/loongarch/include/asm/exception.h
@@ -6,6 +6,8 @@
#include <asm/ptrace.h>
#include <linux/kprobes.h>
+extern void *exception_table[];
+
void show_registers(struct pt_regs *regs);
asmlinkage void cache_parity_error(void);
diff --git a/arch/loongarch/include/asm/module.h b/arch/loongarch/include/asm/module.h
index 2ecd82bb64e13..f33f3fd32ecc2 100644
--- a/arch/loongarch/include/asm/module.h
+++ b/arch/loongarch/include/asm/module.h
@@ -6,6 +6,7 @@
#define _ASM_MODULE_H
#include <asm/inst.h>
+#include <asm/orc_types.h>
#include <asm-generic/module.h>
#define RELA_STACK_DEPTH 16
@@ -21,6 +22,12 @@ struct mod_arch_specific {
struct mod_section plt;
struct mod_section plt_idx;
+#ifdef CONFIG_UNWINDER_ORC
+ unsigned int num_orcs;
+ int *orc_unwind_ip;
+ struct orc_entry *orc_unwind;
+#endif
+
/* For CONFIG_DYNAMIC_FTRACE */
struct plt_entry *ftrace_trampolines;
};
diff --git a/arch/loongarch/include/asm/orc_header.h b/arch/loongarch/include/asm/orc_header.h
new file mode 100644
index 0000000000000..f9d509c3fd704
--- /dev/null
+++ b/arch/loongarch/include/asm/orc_header.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef _ORC_HEADER_H
+#define _ORC_HEADER_H
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+#include <asm/orc_hash.h>
+
+/*
+ * The header is currently a 20-byte hash of the ORC entry definition; see
+ * scripts/orc_hash.sh.
+ */
+#define ORC_HEADER \
+ __used __section(".orc_header") __aligned(4) \
+ static const u8 orc_header[] = { ORC_HASH }
+
+#endif /* _ORC_HEADER_H */
diff --git a/arch/loongarch/include/asm/orc_lookup.h b/arch/loongarch/include/asm/orc_lookup.h
new file mode 100644
index 0000000000000..b02e6357def48
--- /dev/null
+++ b/arch/loongarch/include/asm/orc_lookup.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _ORC_LOOKUP_H
+#define _ORC_LOOKUP_H
+
+/*
+ * This is a lookup table for speeding up access to the .orc_unwind table.
+ * Given an input address offset, the corresponding lookup table entry
+ * specifies a subset of the .orc_unwind table to search.
+ *
+ * Each block represents the end of the previous range and the start of the
+ * next range. An extra block is added to give the last range an end.
+ *
+ * The block size should be a power of 2 to avoid a costly 'div' instruction.
+ *
+ * A block size of 256 was chosen because it roughly doubles unwinder
+ * performance while only adding ~5% to the ORC data footprint.
+ */
+#define LOOKUP_BLOCK_ORDER 8
+#define LOOKUP_BLOCK_SIZE (1 << LOOKUP_BLOCK_ORDER)
+
+#ifndef LINKER_SCRIPT
+
+extern unsigned int orc_lookup[];
+extern unsigned int orc_lookup_end[];
+
+#define LOOKUP_START_IP (unsigned long)_stext
+#define LOOKUP_STOP_IP (unsigned long)_etext
+
+#endif /* LINKER_SCRIPT */
+
+#endif /* _ORC_LOOKUP_H */
diff --git a/arch/loongarch/include/asm/orc_types.h b/arch/loongarch/include/asm/orc_types.h
new file mode 100644
index 0000000000000..caf1f71a1057b
--- /dev/null
+++ b/arch/loongarch/include/asm/orc_types.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _ORC_TYPES_H
+#define _ORC_TYPES_H
+
+#include <linux/types.h>
+
+/*
+ * The ORC_REG_* registers are base registers which are used to find other
+ * registers on the stack.
+ *
+ * ORC_REG_PREV_SP, also known as DWARF Call Frame Address (CFA), is the
+ * address of the previous frame: the caller's SP before it called the current
+ * function.
+ *
+ * ORC_REG_UNDEFINED means the corresponding register's value didn't change in
+ * the current frame.
+ *
+ * The most commonly used base registers are SP and FP -- which the previous SP
+ * is usually based on -- and PREV_SP and UNDEFINED -- which the previous FP is
+ * usually based on.
+ *
+ * The rest of the base registers are needed for special cases like entry code
+ * and GCC realigned stacks.
+ */
+#define ORC_REG_UNDEFINED 0
+#define ORC_REG_PREV_SP 1
+#define ORC_REG_SP 2
+#define ORC_REG_FP 3
+#define ORC_REG_MAX 4
+
+#define ORC_TYPE_UNDEFINED 0
+#define ORC_TYPE_END_OF_STACK 1
+#define ORC_TYPE_CALL 2
+#define ORC_TYPE_REGS 3
+#define ORC_TYPE_REGS_PARTIAL 4
+
+#ifndef __ASSEMBLY__
+/*
+ * This struct is more or less a vastly simplified version of the DWARF Call
+ * Frame Information standard. It contains only the necessary parts of DWARF
+ * CFI, simplified for ease of access by the in-kernel unwinder. It tells the
+ * unwinder how to find the previous SP and FP (and sometimes entry regs) on
+ * the stack for a given code address. Each instance of the struct corresponds
+ * to one or more code locations.
+ */
+struct orc_entry {
+ s16 sp_offset;
+ s16 fp_offset;
+ s16 ra_offset;
+ unsigned int sp_reg:4;
+ unsigned int fp_reg:4;
+ unsigned int ra_reg:4;
+ unsigned int type:3;
+ unsigned int signal:1;
+};
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ORC_TYPES_H */
diff --git a/arch/loongarch/include/asm/stackframe.h b/arch/loongarch/include/asm/stackframe.h
index 4fb1e6408b982..45b507a7b06fc 100644
--- a/arch/loongarch/include/asm/stackframe.h
+++ b/arch/loongarch/include/asm/stackframe.h
@@ -13,6 +13,7 @@
#include <asm/asm-offsets.h>
#include <asm/loongarch.h>
#include <asm/thread_info.h>
+#include <asm/unwind_hints.h>
/* Make the addition of cfi info a little easier. */
.macro cfi_rel_offset reg offset=0 docfi=0
@@ -162,6 +163,7 @@
li.w t0, CSR_CRMD_WE
csrxchg t0, t0, LOONGARCH_CSR_CRMD
#endif
+ UNWIND_HINT_REGS
.endm
.macro SAVE_ALL docfi=0
@@ -219,6 +221,7 @@
.macro RESTORE_SP_AND_RET docfi=0
cfi_ld sp, PT_R3, \docfi
+ UNWIND_HINT_FUNC
ertn
.endm
diff --git a/arch/loongarch/include/asm/unwind.h b/arch/loongarch/include/asm/unwind.h
index b9dce87afd2e0..40a6763c5aecd 100644
--- a/arch/loongarch/include/asm/unwind.h
+++ b/arch/loongarch/include/asm/unwind.h
@@ -16,6 +16,7 @@
enum unwinder_type {
UNWINDER_GUESS,
UNWINDER_PROLOGUE,
+ UNWINDER_ORC,
};
struct unwind_state {
@@ -24,7 +25,7 @@ struct unwind_state {
struct task_struct *task;
bool first, error, reset;
int graph_idx;
- unsigned long sp, pc, ra;
+ unsigned long sp, fp, pc, ra;
};
bool default_next_frame(struct unwind_state *state);
@@ -61,14 +62,17 @@ static __always_inline void __unwind_start(struct unwind_state *state,
state->sp = regs->regs[3];
state->pc = regs->csr_era;
state->ra = regs->regs[1];
+ state->fp = regs->regs[22];
} else if (task && task != current) {
state->sp = thread_saved_fp(task);
state->pc = thread_saved_ra(task);
state->ra = 0;
+ state->fp = 0;
} else {
state->sp = (unsigned long)__builtin_frame_address(0);
state->pc = (unsigned long)__builtin_return_address(0);
state->ra = 0;
+ state->fp = 0;
}
state->task = task;
get_stack_info(state->sp, state->task, &state->stack_info);
@@ -77,6 +81,18 @@ static __always_inline void __unwind_start(struct unwind_state *state,
static __always_inline unsigned long __unwind_get_return_address(struct unwind_state *state)
{
- return unwind_done(state) ? 0 : state->pc;
+ if (unwind_done(state))
+ return 0;
+
+ return __kernel_text_address(state->pc) ? state->pc : 0;
}
+
+#ifdef CONFIG_UNWINDER_ORC
+void unwind_init(void);
+void unwind_module_init(struct module *mod, void *orc_ip, size_t orc_ip_size, void *orc, size_t orc_size);
+#else
+static inline void unwind_init(void) {}
+static inline void unwind_module_init(struct module *mod, void *orc_ip, size_t orc_ip_size, void *orc, size_t orc_size) {}
+#endif
+
#endif /* _ASM_UNWIND_H */
diff --git a/arch/loongarch/include/asm/unwind_hints.h b/arch/loongarch/include/asm/unwind_hints.h
new file mode 100644
index 0000000000000..a01086ad9ddea
--- /dev/null
+++ b/arch/loongarch/include/asm/unwind_hints.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_LOONGARCH_UNWIND_HINTS_H
+#define _ASM_LOONGARCH_UNWIND_HINTS_H
+
+#include <linux/objtool.h>
+#include <asm/orc_types.h>
+
+#ifdef __ASSEMBLY__
+
+.macro UNWIND_HINT_UNDEFINED
+ UNWIND_HINT type=UNWIND_HINT_TYPE_UNDEFINED
+.endm
+
+.macro UNWIND_HINT_END_OF_STACK
+ UNWIND_HINT type=UNWIND_HINT_TYPE_END_OF_STACK
+.endm
+
+.macro UNWIND_HINT_REGS
+ UNWIND_HINT sp_reg=ORC_REG_SP type=UNWIND_HINT_TYPE_REGS
+.endm
+
+.macro UNWIND_HINT_FUNC
+ UNWIND_HINT sp_reg=ORC_REG_SP type=UNWIND_HINT_TYPE_CALL
+.endm
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_LOONGARCH_UNWIND_HINTS_H */
diff --git a/arch/loongarch/kernel/Makefile b/arch/loongarch/kernel/Makefile
index 3c808c6803703..3a7620b66bc6c 100644
--- a/arch/loongarch/kernel/Makefile
+++ b/arch/loongarch/kernel/Makefile
@@ -3,6 +3,8 @@
# Makefile for the Linux/LoongArch kernel.
#
+OBJECT_FILES_NON_STANDARD_head.o := y
+
extra-y := vmlinux.lds
obj-y += head.o cpu-probe.o cacheinfo.o env.o setup.o entry.o genex.o \
@@ -21,6 +23,7 @@ obj-$(CONFIG_ARCH_STRICT_ALIGN) += unaligned.o
CFLAGS_module.o += $(call cc-option,-Wno-override-init,)
CFLAGS_syscall.o += $(call cc-option,-Wno-override-init,)
+CFLAGS_traps.o += $(call cc-option,-Wno-override-init,)
CFLAGS_perf_event.o += $(call cc-option,-Wno-override-init,)
ifdef CONFIG_FUNCTION_TRACER
@@ -62,6 +65,7 @@ obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_UNWINDER_GUESS) += unwind_guess.o
obj-$(CONFIG_UNWINDER_PROLOGUE) += unwind_prologue.o
+obj-$(CONFIG_UNWINDER_ORC) += unwind_orc.o
obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_regs.o
obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
diff --git a/arch/loongarch/kernel/entry.S b/arch/loongarch/kernel/entry.S
index 1ec8e4c4cc2bd..48e7e34e355e8 100644
--- a/arch/loongarch/kernel/entry.S
+++ b/arch/loongarch/kernel/entry.S
@@ -14,11 +14,13 @@
#include <asm/regdef.h>
#include <asm/stackframe.h>
#include <asm/thread_info.h>
+#include <asm/unwind_hints.h>
.text
.cfi_sections .debug_frame
.align 5
SYM_CODE_START(handle_syscall)
+ UNWIND_HINT_UNDEFINED
csrrd t0, PERCPU_BASE_KS
la.pcrel t1, kernelsp
add.d t1, t1, t0
@@ -57,6 +59,7 @@ SYM_CODE_START(handle_syscall)
cfi_st fp, PT_R22
SAVE_STATIC
+ UNWIND_HINT_REGS
#ifdef CONFIG_KGDB
li.w t1, CSR_CRMD_WE
@@ -75,6 +78,7 @@ SYM_CODE_END(handle_syscall)
_ASM_NOKPROBE(handle_syscall)
SYM_CODE_START(ret_from_fork)
+ UNWIND_HINT_REGS
bl schedule_tail # a0 = struct task_struct *prev
move a0, sp
bl syscall_exit_to_user_mode
@@ -84,6 +88,7 @@ SYM_CODE_START(ret_from_fork)
SYM_CODE_END(ret_from_fork)
SYM_CODE_START(ret_from_kernel_thread)
+ UNWIND_HINT_REGS
bl schedule_tail # a0 = struct task_struct *prev
move a0, s1
jirl ra, s0, 0
diff --git a/arch/loongarch/kernel/fpu.S b/arch/loongarch/kernel/fpu.S
index 4382e36ae3d44..69a85f2479fba 100644
--- a/arch/loongarch/kernel/fpu.S
+++ b/arch/loongarch/kernel/fpu.S
@@ -15,6 +15,7 @@
#include <asm/fpregdef.h>
#include <asm/loongarch.h>
#include <asm/regdef.h>
+#include <asm/unwind_hints.h>
#define FPU_REG_WIDTH 8
#define LSX_REG_WIDTH 16
@@ -526,3 +527,9 @@ SYM_FUNC_END(_restore_lasx_context)
.L_fpu_fault:
li.w a0, -EFAULT # failure
jr ra
+
+#ifdef CONFIG_CPU_HAS_LBT
+STACK_FRAME_NON_STANDARD _restore_fp
+STACK_FRAME_NON_STANDARD _restore_lsx
+STACK_FRAME_NON_STANDARD _restore_lasx
+#endif
diff --git a/arch/loongarch/kernel/genex.S b/arch/loongarch/kernel/genex.S
index 2bb3aa2dcfcb2..86d5d90ebefe5 100644
--- a/arch/loongarch/kernel/genex.S
+++ b/arch/loongarch/kernel/genex.S
@@ -32,6 +32,7 @@ SYM_FUNC_START(__arch_cpu_idle)
SYM_FUNC_END(__arch_cpu_idle)
SYM_CODE_START(handle_vint)
+ UNWIND_HINT_UNDEFINED
BACKUP_T0T1
SAVE_ALL
la_abs t1, __arch_cpu_idle
@@ -49,6 +50,7 @@ SYM_CODE_START(handle_vint)
SYM_CODE_END(handle_vint)
SYM_CODE_START(except_vec_cex)
+ UNWIND_HINT_UNDEFINED
b cache_parity_error
SYM_CODE_END(except_vec_cex)
@@ -67,6 +69,7 @@ SYM_CODE_END(except_vec_cex)
.macro BUILD_HANDLER exception handler prep
.align 5
SYM_CODE_START(handle_\exception)
+ UNWIND_HINT_UNDEFINED
666:
BACKUP_T0T1
SAVE_ALL
@@ -77,7 +80,9 @@ SYM_CODE_END(except_vec_cex)
668:
RESTORE_ALL_AND_RET
SYM_CODE_END(handle_\exception)
+ .pushsection ".data", "aw", %progbits
SYM_DATA(unwind_hint_\exception, .word 668b - 666b)
+ .popsection
.endm
BUILD_HANDLER ade ade badv
@@ -94,6 +99,7 @@ SYM_CODE_END(except_vec_cex)
BUILD_HANDLER reserved reserved none /* others */
SYM_CODE_START(handle_sys)
+ UNWIND_HINT_UNDEFINED
la_abs t0, handle_syscall
jr t0
SYM_CODE_END(handle_sys)
diff --git a/arch/loongarch/kernel/lbt.S b/arch/loongarch/kernel/lbt.S
index 9c75120a26d83..001f061d226ab 100644
--- a/arch/loongarch/kernel/lbt.S
+++ b/arch/loongarch/kernel/lbt.S
@@ -11,6 +11,7 @@
#include <asm/asm-offsets.h>
#include <asm/errno.h>
#include <asm/regdef.h>
+#include <asm/unwind_hints.h>
#define SCR_REG_WIDTH 8
@@ -153,3 +154,5 @@ SYM_FUNC_END(_restore_ftop_context)
.L_lbt_fault:
li.w a0, -EFAULT # failure
jr ra
+
+STACK_FRAME_NON_STANDARD _restore_ftop_context
diff --git a/arch/loongarch/kernel/mcount_dyn.S b/arch/loongarch/kernel/mcount_dyn.S
index 482aa553aa2d5..0c65cf09110cd 100644
--- a/arch/loongarch/kernel/mcount_dyn.S
+++ b/arch/loongarch/kernel/mcount_dyn.S
@@ -73,6 +73,7 @@ SYM_FUNC_START(ftrace_stub)
SYM_FUNC_END(ftrace_stub)
SYM_CODE_START(ftrace_common)
+ UNWIND_HINT_UNDEFINED
PTR_ADDI a0, ra, -8 /* arg0: ip */
move a1, t0 /* arg1: parent_ip */
la.pcrel t1, function_trace_op
@@ -113,12 +114,14 @@ ftrace_common_return:
SYM_CODE_END(ftrace_common)
SYM_CODE_START(ftrace_caller)
+ UNWIND_HINT_UNDEFINED
ftrace_regs_entry allregs=0
b ftrace_common
SYM_CODE_END(ftrace_caller)
#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS
SYM_CODE_START(ftrace_regs_caller)
+ UNWIND_HINT_UNDEFINED
ftrace_regs_entry allregs=1
b ftrace_common
SYM_CODE_END(ftrace_regs_caller)
@@ -126,6 +129,7 @@ SYM_CODE_END(ftrace_regs_caller)
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
SYM_CODE_START(ftrace_graph_caller)
+ UNWIND_HINT_UNDEFINED
PTR_L a0, sp, PT_ERA
PTR_ADDI a0, a0, -8 /* arg0: self_addr */
PTR_ADDI a1, sp, PT_R1 /* arg1: parent */
@@ -134,6 +138,7 @@ SYM_CODE_START(ftrace_graph_caller)
SYM_CODE_END(ftrace_graph_caller)
SYM_CODE_START(return_to_handler)
+ UNWIND_HINT_UNDEFINED
/* Save return value regs */
PTR_ADDI sp, sp, -FGRET_REGS_SIZE
PTR_S a0, sp, FGRET_REGS_A0
@@ -155,6 +160,7 @@ SYM_CODE_END(return_to_handler)
#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
SYM_CODE_START(ftrace_stub_direct_tramp)
+ UNWIND_HINT_UNDEFINED
jr t0
SYM_CODE_END(ftrace_stub_direct_tramp)
#endif /* CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS */
diff --git a/arch/loongarch/kernel/module.c b/arch/loongarch/kernel/module.c
index b13b2858fe392..c7d0338d12c15 100644
--- a/arch/loongarch/kernel/module.c
+++ b/arch/loongarch/kernel/module.c
@@ -20,6 +20,7 @@
#include <linux/kernel.h>
#include <asm/alternative.h>
#include <asm/inst.h>
+#include <asm/unwind.h>
static int rela_stack_push(s64 stack_value, s64 *rela_stack, size_t *rela_stack_top)
{
@@ -515,15 +516,28 @@ static void module_init_ftrace_plt(const Elf_Ehdr *hdr,
int module_finalize(const Elf_Ehdr *hdr,
const Elf_Shdr *sechdrs, struct module *mod)
{
- const Elf_Shdr *s, *se;
const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
+ const Elf_Shdr *s, *alt = NULL, *orc = NULL, *orc_ip = NULL, *ftrace = NULL;
- for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) {
+ for (s = sechdrs; s < sechdrs + hdr->e_shnum; s++) {
if (!strcmp(".altinstructions", secstrs + s->sh_name))
- apply_alternatives((void *)s->sh_addr, (void *)s->sh_addr + s->sh_size);
+ alt = s;
+ if (!strcmp(".orc_unwind", secstrs + s->sh_name))
+ orc = s;
+ if (!strcmp(".orc_unwind_ip", secstrs + s->sh_name))
+ orc_ip = s;
if (!strcmp(".ftrace_trampoline", secstrs + s->sh_name))
- module_init_ftrace_plt(hdr, s, mod);
+ ftrace = s;
}
+ if (alt)
+ apply_alternatives((void *)alt->sh_addr, (void *)alt->sh_addr + alt->sh_size);
+
+ if (orc && orc_ip)
+ unwind_module_init(mod, (void *)orc_ip->sh_addr, orc_ip->sh_size, (void *)orc->sh_addr, orc->sh_size);
+
+ if (ftrace)
+ module_init_ftrace_plt(hdr, ftrace, mod);
+
return 0;
}
diff --git a/arch/loongarch/kernel/relocate_kernel.S b/arch/loongarch/kernel/relocate_kernel.S
index f49f6b053763d..84e6de2fd9735 100644
--- a/arch/loongarch/kernel/relocate_kernel.S
+++ b/arch/loongarch/kernel/relocate_kernel.S
@@ -15,6 +15,7 @@
#include <asm/addrspace.h>
SYM_CODE_START(relocate_new_kernel)
+ UNWIND_HINT_UNDEFINED
/*
* a0: EFI boot flag for the new kernel
* a1: Command line pointer for the new kernel
@@ -90,6 +91,7 @@ SYM_CODE_END(relocate_new_kernel)
* then start at the entry point from LOONGARCH_IOCSR_MBUF0.
*/
SYM_CODE_START(kexec_smp_wait)
+ UNWIND_HINT_UNDEFINED
1: li.w t0, 0x100 /* wait for init loop */
2: addi.w t0, t0, -1 /* limit mailbox access */
bnez t0, 2b
@@ -106,6 +108,5 @@ SYM_CODE_END(kexec_smp_wait)
relocate_new_kernel_end:
-SYM_DATA_START(relocate_new_kernel_size)
- PTR relocate_new_kernel_end - relocate_new_kernel
-SYM_DATA_END(relocate_new_kernel_size)
+ .section ".data"
+SYM_DATA(relocate_new_kernel_size, .long relocate_new_kernel_end - relocate_new_kernel)
diff --git a/arch/loongarch/kernel/rethook_trampoline.S b/arch/loongarch/kernel/rethook_trampoline.S
index bd5772c963382..d4ceb2fa2a5ce 100644
--- a/arch/loongarch/kernel/rethook_trampoline.S
+++ b/arch/loongarch/kernel/rethook_trampoline.S
@@ -76,6 +76,7 @@
.endm
SYM_CODE_START(arch_rethook_trampoline)
+ UNWIND_HINT_UNDEFINED
addi.d sp, sp, -PT_SIZE
save_all_base_regs
diff --git a/arch/loongarch/kernel/setup.c b/arch/loongarch/kernel/setup.c
index 634ef17fd38bf..7bf9afaeea006 100644
--- a/arch/loongarch/kernel/setup.c
+++ b/arch/loongarch/kernel/setup.c
@@ -47,6 +47,7 @@
#include <asm/sections.h>
#include <asm/setup.h>
#include <asm/time.h>
+#include <asm/unwind.h>
#define SMBIOS_BIOSSIZE_OFFSET 0x09
#define SMBIOS_BIOSEXTERN_OFFSET 0x13
@@ -587,6 +588,7 @@ static void __init prefill_possible_map(void)
void __init setup_arch(char **cmdline_p)
{
cpu_probe();
+ unwind_init();
init_environ();
efi_init();
diff --git a/arch/loongarch/kernel/stacktrace.c b/arch/loongarch/kernel/stacktrace.c
index f623feb2129f1..eaec82e02c92a 100644
--- a/arch/loongarch/kernel/stacktrace.c
+++ b/arch/loongarch/kernel/stacktrace.c
@@ -29,6 +29,7 @@ void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
regs->csr_era = thread_saved_ra(task);
}
regs->regs[1] = 0;
+ regs->regs[22] = 0;
}
for (unwind_start(&state, task, regs);
diff --git a/arch/loongarch/kernel/traps.c b/arch/loongarch/kernel/traps.c
index aebfc3733a760..f9f4eb00c92ef 100644
--- a/arch/loongarch/kernel/traps.c
+++ b/arch/loongarch/kernel/traps.c
@@ -53,6 +53,32 @@
#include "access-helper.h"
+void *exception_table[EXCCODE_INT_START] = {
+ [0 ... EXCCODE_INT_START - 1] = handle_reserved,
+
+ [EXCCODE_TLBI] = handle_tlb_load,
+ [EXCCODE_TLBL] = handle_tlb_load,
+ [EXCCODE_TLBS] = handle_tlb_store,
+ [EXCCODE_TLBM] = handle_tlb_modify,
+ [EXCCODE_TLBNR] = handle_tlb_protect,
+ [EXCCODE_TLBNX] = handle_tlb_protect,
+ [EXCCODE_TLBPE] = handle_tlb_protect,
+ [EXCCODE_ADE] = handle_ade,
+ [EXCCODE_ALE] = handle_ale,
+ [EXCCODE_BCE] = handle_bce,
+ [EXCCODE_SYS] = handle_sys,
+ [EXCCODE_BP] = handle_bp,
+ [EXCCODE_INE] = handle_ri,
+ [EXCCODE_IPE] = handle_ri,
+ [EXCCODE_FPDIS] = handle_fpu,
+ [EXCCODE_LSXDIS] = handle_lsx,
+ [EXCCODE_LASXDIS] = handle_lasx,
+ [EXCCODE_FPE] = handle_fpe,
+ [EXCCODE_WATCH] = handle_watch,
+ [EXCCODE_BTDIS] = handle_lbt,
+};
+EXPORT_SYMBOL_GPL(exception_table);
+
static void show_backtrace(struct task_struct *task, const struct pt_regs *regs,
const char *loglvl, bool user)
{
@@ -1150,19 +1176,9 @@ void __init trap_init(void)
for (i = EXCCODE_INT_START; i <= EXCCODE_INT_END; i++)
set_handler(i * VECSIZE, handle_vint, VECSIZE);
- set_handler(EXCCODE_ADE * VECSIZE, handle_ade, VECSIZE);
- set_handler(EXCCODE_ALE * VECSIZE, handle_ale, VECSIZE);
- set_handler(EXCCODE_BCE * VECSIZE, handle_bce, VECSIZE);
- set_handler(EXCCODE_SYS * VECSIZE, handle_sys, VECSIZE);
- set_handler(EXCCODE_BP * VECSIZE, handle_bp, VECSIZE);
- set_handler(EXCCODE_INE * VECSIZE, handle_ri, VECSIZE);
- set_handler(EXCCODE_IPE * VECSIZE, handle_ri, VECSIZE);
- set_handler(EXCCODE_FPDIS * VECSIZE, handle_fpu, VECSIZE);
- set_handler(EXCCODE_LSXDIS * VECSIZE, handle_lsx, VECSIZE);
- set_handler(EXCCODE_LASXDIS * VECSIZE, handle_lasx, VECSIZE);
- set_handler(EXCCODE_FPE * VECSIZE, handle_fpe, VECSIZE);
- set_handler(EXCCODE_BTDIS * VECSIZE, handle_lbt, VECSIZE);
- set_handler(EXCCODE_WATCH * VECSIZE, handle_watch, VECSIZE);
+ /* Set exception vector handler */
+ for (i = EXCCODE_ADE; i <= EXCCODE_BTDIS; i++)
+ set_handler(i * VECSIZE, exception_table[i], VECSIZE);
cache_error_setup();
diff --git a/arch/loongarch/kernel/unwind_orc.c b/arch/loongarch/kernel/unwind_orc.c
new file mode 100644
index 0000000000000..b257228763317
--- /dev/null
+++ b/arch/loongarch/kernel/unwind_orc.c
@@ -0,0 +1,528 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <linux/objtool.h>
+#include <linux/module.h>
+#include <linux/sort.h>
+#include <asm/exception.h>
+#include <asm/orc_header.h>
+#include <asm/orc_lookup.h>
+#include <asm/orc_types.h>
+#include <asm/ptrace.h>
+#include <asm/setup.h>
+#include <asm/stacktrace.h>
+#include <asm/tlb.h>
+#include <asm/unwind.h>
+
+ORC_HEADER;
+
+#define orc_warn(fmt, ...) \
+ printk_deferred_once(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__)
+
+extern int __start_orc_unwind_ip[];
+extern int __stop_orc_unwind_ip[];
+extern struct orc_entry __start_orc_unwind[];
+extern struct orc_entry __stop_orc_unwind[];
+
+static bool orc_init __ro_after_init;
+static unsigned int lookup_num_blocks __ro_after_init;
+
+/* Fake frame pointer entry -- used as a fallback for generated code */
+static struct orc_entry orc_fp_entry = {
+ .sp_reg = ORC_REG_FP,
+ .sp_offset = 16,
+ .fp_reg = ORC_REG_PREV_SP,
+ .fp_offset = -16,
+ .ra_reg = ORC_REG_PREV_SP,
+ .ra_offset = -8,
+ .type = ORC_TYPE_CALL
+};
+
+/*
+ * If we crash with IP==0, the last successfully executed instruction
+ * was probably an indirect function call with a NULL function pointer,
+ * and we don't have unwind information for NULL.
+ * This hardcoded ORC entry for IP==0 allows us to unwind from a NULL function
+ * pointer into its parent and then continue normally from there.
+ */
+static struct orc_entry orc_null_entry = {
+ .sp_reg = ORC_REG_SP,
+ .sp_offset = sizeof(long),
+ .fp_reg = ORC_REG_UNDEFINED,
+ .type = ORC_TYPE_CALL
+};
+
+static inline unsigned long orc_ip(const int *ip)
+{
+ return (unsigned long)ip + *ip;
+}
+
+static struct orc_entry *__orc_find(int *ip_table, struct orc_entry *u_table,
+ unsigned int num_entries, unsigned long ip)
+{
+ int *first = ip_table;
+ int *mid = first, *found = first;
+ int *last = ip_table + num_entries - 1;
+
+ if (!num_entries)
+ return NULL;
+
+ /*
+ * Do a binary range search to find the rightmost duplicate of a given
+ * starting address. Some entries are section terminators which are
+ * "weak" entries for ensuring there are no gaps. They should be
+ * ignored when they conflict with a real entry.
+ */
+ while (first <= last) {
+ mid = first + ((last - first) / 2);
+
+ if (orc_ip(mid) <= ip) {
+ found = mid;
+ first = mid + 1;
+ } else
+ last = mid - 1;
+ }
+
+ return u_table + (found - ip_table);
+}
+
+#ifdef CONFIG_MODULES
+static struct orc_entry *orc_module_find(unsigned long ip)
+{
+ struct module *mod;
+
+ mod = __module_address(ip);
+ if (!mod || !mod->arch.orc_unwind || !mod->arch.orc_unwind_ip)
+ return NULL;
+
+ return __orc_find(mod->arch.orc_unwind_ip, mod->arch.orc_unwind, mod->arch.num_orcs, ip);
+}
+#else
+static struct orc_entry *orc_module_find(unsigned long ip)
+{
+ return NULL;
+}
+#endif
+
+#ifdef CONFIG_DYNAMIC_FTRACE
+static struct orc_entry *orc_find(unsigned long ip);
+
+/*
+ * Ftrace dynamic trampolines do not have orc entries of their own.
+ * But they are copies of the ftrace entries that are static and
+ * defined in ftrace_*.S, which do have orc entries.
+ *
+ * If the unwinder comes across a ftrace trampoline, then find the
+ * ftrace function that was used to create it, and use that ftrace
+ * function's orc entry, as the placement of the return code in
+ * the stack will be identical.
+ */
+static struct orc_entry *orc_ftrace_find(unsigned long ip)
+{
+ struct ftrace_ops *ops;
+ unsigned long tramp_addr, offset;
+
+ ops = ftrace_ops_trampoline(ip);
+ if (!ops)
+ return NULL;
+
+ /* Set tramp_addr to the start of the code copied by the trampoline */
+ if (ops->flags & FTRACE_OPS_FL_SAVE_REGS)
+ tramp_addr = (unsigned long)ftrace_regs_caller;
+ else
+ tramp_addr = (unsigned long)ftrace_caller;
+
+ /* Now place tramp_addr to the location within the trampoline ip is at */
+ offset = ip - ops->trampoline;
+ tramp_addr += offset;
+
+ /* Prevent unlikely recursion */
+ if (ip == tramp_addr)
+ return NULL;
+
+ return orc_find(tramp_addr);
+}
+#else
+static struct orc_entry *orc_ftrace_find(unsigned long ip)
+{
+ return NULL;
+}
+#endif
+
+static struct orc_entry *orc_find(unsigned long ip)
+{
+ static struct orc_entry *orc;
+
+ if (ip == 0)
+ return &orc_null_entry;
+
+ /* For non-init vmlinux addresses, use the fast lookup table: */
+ if (ip >= LOOKUP_START_IP && ip < LOOKUP_STOP_IP) {
+ unsigned int idx, start, stop;
+
+ idx = (ip - LOOKUP_START_IP) / LOOKUP_BLOCK_SIZE;
+
+ if (unlikely((idx >= lookup_num_blocks-1))) {
+ orc_warn("WARNING: bad lookup idx: idx=%u num=%u ip=%pB\n",
+ idx, lookup_num_blocks, (void *)ip);
+ return NULL;
+ }
+
+ start = orc_lookup[idx];
+ stop = orc_lookup[idx + 1] + 1;
+
+ if (unlikely((__start_orc_unwind + start >= __stop_orc_unwind) ||
+ (__start_orc_unwind + stop > __stop_orc_unwind))) {
+ orc_warn("WARNING: bad lookup value: idx=%u num=%u start=%u stop=%u ip=%pB\n",
+ idx, lookup_num_blocks, start, stop, (void *)ip);
+ return NULL;
+ }
+
+ return __orc_find(__start_orc_unwind_ip + start,
+ __start_orc_unwind + start, stop - start, ip);
+ }
+
+ /* vmlinux .init slow lookup: */
+ if (is_kernel_inittext(ip))
+ return __orc_find(__start_orc_unwind_ip, __start_orc_unwind,
+ __stop_orc_unwind_ip - __start_orc_unwind_ip, ip);
+
+ /* Module lookup: */
+ orc = orc_module_find(ip);
+ if (orc)
+ return orc;
+
+ return orc_ftrace_find(ip);
+}
+
+#ifdef CONFIG_MODULES
+
+static DEFINE_MUTEX(sort_mutex);
+static int *cur_orc_ip_table = __start_orc_unwind_ip;
+static struct orc_entry *cur_orc_table = __start_orc_unwind;
+
+static void orc_sort_swap(void *_a, void *_b, int size)
+{
+ int delta = _b - _a;
+ int *a = _a, *b = _b, tmp;
+ struct orc_entry *orc_a, *orc_b;
+
+ /* Swap the .orc_unwind_ip entries: */
+ tmp = *a;
+ *a = *b + delta;
+ *b = tmp - delta;
+
+ /* Swap the corresponding .orc_unwind entries: */
+ orc_a = cur_orc_table + (a - cur_orc_ip_table);
+ orc_b = cur_orc_table + (b - cur_orc_ip_table);
+ swap(*orc_a, *orc_b);
+}
+
+static int orc_sort_cmp(const void *_a, const void *_b)
+{
+ const int *a = _a, *b = _b;
+ unsigned long a_val = orc_ip(a);
+ unsigned long b_val = orc_ip(b);
+ struct orc_entry *orc_a;
+
+ if (a_val > b_val)
+ return 1;
+ if (a_val < b_val)
+ return -1;
+
+ /*
+ * The "weak" section terminator entries need to always be first
+ * to ensure the lookup code skips them in favor of real entries.
+ * These terminator entries exist to handle any gaps created by
+ * whitelisted .o files which didn't get objtool generation.
+ */
+ orc_a = cur_orc_table + (a - cur_orc_ip_table);
+
+ return orc_a->type == ORC_TYPE_UNDEFINED ? -1 : 1;
+}
+
+void unwind_module_init(struct module *mod, void *_orc_ip, size_t orc_ip_size,
+ void *_orc, size_t orc_size)
+{
+ int *orc_ip = _orc_ip;
+ struct orc_entry *orc = _orc;
+ unsigned int num_entries = orc_ip_size / sizeof(int);
+
+ WARN_ON_ONCE(orc_ip_size % sizeof(int) != 0 ||
+ orc_size % sizeof(*orc) != 0 ||
+ num_entries != orc_size / sizeof(*orc));
+
+ /*
+ * The 'cur_orc_*' globals allow the orc_sort_swap() callback to
+ * associate an .orc_unwind_ip table entry with its corresponding
+ * .orc_unwind entry so they can both be swapped.
+ */
+ mutex_lock(&sort_mutex);
+ cur_orc_ip_table = orc_ip;
+ cur_orc_table = orc;
+ sort(orc_ip, num_entries, sizeof(int), orc_sort_cmp, orc_sort_swap);
+ mutex_unlock(&sort_mutex);
+
+ mod->arch.orc_unwind_ip = orc_ip;
+ mod->arch.orc_unwind = orc;
+ mod->arch.num_orcs = num_entries;
+}
+#endif
+
+void __init unwind_init(void)
+{
+ int i;
+ size_t orc_size = (void *)__stop_orc_unwind - (void *)__start_orc_unwind;
+ size_t orc_ip_size = (void *)__stop_orc_unwind_ip - (void *)__start_orc_unwind_ip;
+ size_t num_entries = orc_ip_size / sizeof(int);
+ struct orc_entry *orc;
+
+ if (!num_entries || orc_ip_size % sizeof(int) != 0 ||
+ orc_size % sizeof(struct orc_entry) != 0 ||
+ num_entries != orc_size / sizeof(struct orc_entry)) {
+ orc_warn("WARNING: Bad or missing .orc_unwind table. Disabling unwinder.\n");
+ return;
+ }
+
+ /*
+ * Note, the orc_unwind and orc_unwind_ip tables were already
+ * sorted at build time via the 'sorttable' tool.
+ * It's ready for binary search straight away, no need to sort it.
+ */
+
+ /* Initialize the fast lookup table: */
+ lookup_num_blocks = orc_lookup_end - orc_lookup;
+ for (i = 0; i < lookup_num_blocks-1; i++) {
+ orc = __orc_find(__start_orc_unwind_ip, __start_orc_unwind,
+ num_entries, LOOKUP_START_IP + (LOOKUP_BLOCK_SIZE * i));
+ if (!orc) {
+ orc_warn("WARNING: Corrupt .orc_unwind table. Disabling unwinder.\n");
+ return;
+ }
+
+ orc_lookup[i] = orc - __start_orc_unwind;
+ }
+
+ /* Initialize the ending block: */
+ orc = __orc_find(__start_orc_unwind_ip, __start_orc_unwind, num_entries, LOOKUP_STOP_IP);
+ if (!orc) {
+ orc_warn("WARNING: Corrupt .orc_unwind table. Disabling unwinder.\n");
+ return;
+ }
+ orc_lookup[lookup_num_blocks-1] = orc - __start_orc_unwind;
+
+ orc_init = true;
+}
+
+static inline bool on_stack(struct stack_info *info, unsigned long addr, size_t len)
+{
+ unsigned long begin = info->begin;
+ unsigned long end = info->end;
+
+ return (info->type != STACK_TYPE_UNKNOWN &&
+ addr >= begin && addr < end && addr + len > begin && addr + len <= end);
+}
+
+static bool stack_access_ok(struct unwind_state *state, unsigned long addr, size_t len)
+{
+ struct stack_info *info = &state->stack_info;
+
+ if (on_stack(info, addr, len))
+ return true;
+
+ return !get_stack_info(addr, state->task, info) && on_stack(info, addr, len);
+}
+
+unsigned long unwind_get_return_address(struct unwind_state *state)
+{
+ return __unwind_get_return_address(state);
+}
+EXPORT_SYMBOL_GPL(unwind_get_return_address);
+
+void unwind_start(struct unwind_state *state, struct task_struct *task,
+ struct pt_regs *regs)
+{
+ __unwind_start(state, task, regs);
+ state->type = UNWINDER_ORC;
+ if (!unwind_done(state) && !__kernel_text_address(state->pc))
+ unwind_next_frame(state);
+}
+EXPORT_SYMBOL_GPL(unwind_start);
+
+static bool is_entry_func(unsigned long addr)
+{
+ extern u32 kernel_entry;
+ extern u32 kernel_entry_end;
+
+ return addr >= (unsigned long)&kernel_entry && addr < (unsigned long)&kernel_entry_end;
+}
+
+static inline unsigned long bt_address(unsigned long ra)
+{
+ extern unsigned long eentry;
+
+ if (__kernel_text_address(ra))
+ return ra;
+
+ if (__module_text_address(ra))
+ return ra;
+
+ if (ra >= eentry && ra < eentry + EXCCODE_INT_END * VECSIZE) {
+ unsigned long func;
+ unsigned long type = (ra - eentry) / VECSIZE;
+ unsigned long offset = (ra - eentry) % VECSIZE;
+
+ switch (type) {
+ case 0 ... EXCCODE_INT_START - 1:
+ func = (unsigned long)exception_table[type];
+ break;
+ case EXCCODE_INT_START ... EXCCODE_INT_END:
+ func = (unsigned long)handle_vint;
+ break;
+ default:
+ func = (unsigned long)handle_reserved;
+ break;
+ }
+
+ return func + offset;
+ }
+
+ return ra;
+}
+
+bool unwind_next_frame(struct unwind_state *state)
+{
+ unsigned long *p, pc;
+ struct pt_regs *regs;
+ struct orc_entry *orc;
+ struct stack_info *info = &state->stack_info;
+
+ if (unwind_done(state))
+ return false;
+
+ /* Don't let modules unload while we're reading their ORC data. */
+ preempt_disable();
+
+ if (is_entry_func(state->pc))
+ goto end;
+
+ orc = orc_find(state->pc);
+ if (!orc) {
+ /*
+ * As a fallback, try to assume this code uses a frame pointer.
+ * This is useful for generated code, like BPF, which ORC
+ * doesn't know about. This is just a guess, so the rest of
+ * the unwind is no longer considered reliable.
+ */
+ orc = &orc_fp_entry;
+ state->error = true;
+ } else {
+ if (orc->type == ORC_TYPE_UNDEFINED)
+ goto err;
+
+ if (orc->type == ORC_TYPE_END_OF_STACK)
+ goto end;
+ }
+
+ switch (orc->sp_reg) {
+ case ORC_REG_SP:
+ if (info->type == STACK_TYPE_IRQ && state->sp == info->end)
+ orc->type = ORC_TYPE_REGS;
+ else
+ state->sp = state->sp + orc->sp_offset;
+ break;
+ case ORC_REG_FP:
+ state->sp = state->fp;
+ break;
+ default:
+ orc_warn("unknown SP base reg %d at %pB\n", orc->sp_reg, (void *)state->pc);
+ goto err;
+ }
+
+ switch (orc->fp_reg) {
+ case ORC_REG_PREV_SP:
+ p = (unsigned long *)(state->sp + orc->fp_offset);
+ if (!stack_access_ok(state, (unsigned long)p, sizeof(unsigned long)))
+ goto err;
+
+ state->fp = *p;
+ break;
+ case ORC_REG_UNDEFINED:
+ /* Nothing. */
+ break;
+ default:
+ orc_warn("unknown FP base reg %d at %pB\n", orc->fp_reg, (void *)state->pc);
+ goto err;
+ }
+
+ switch (orc->type) {
+ case ORC_TYPE_CALL:
+ if (orc->ra_reg == ORC_REG_PREV_SP) {
+ p = (unsigned long *)(state->sp + orc->ra_offset);
+ if (!stack_access_ok(state, (unsigned long)p, sizeof(unsigned long)))
+ goto err;
+
+ pc = unwind_graph_addr(state, *p, state->sp);
+ pc -= LOONGARCH_INSN_SIZE;
+ } else if (orc->ra_reg == ORC_REG_UNDEFINED) {
+ if (!state->ra || state->ra == state->pc)
+ goto err;
+
+ pc = unwind_graph_addr(state, state->ra, state->sp);
+ pc -= LOONGARCH_INSN_SIZE;
+ state->ra = 0;
+ } else {
+ orc_warn("unknown ra base reg %d at %pB\n", orc->ra_reg, (void *)state->pc);
+ goto err;
+ }
+ break;
+ case ORC_TYPE_REGS:
+ if (info->type == STACK_TYPE_IRQ && state->sp == info->end)
+ regs = (struct pt_regs *)info->next_sp;
+ else
+ regs = (struct pt_regs *)state->sp;
+
+ if (!stack_access_ok(state, (unsigned long)regs, sizeof(*regs)))
+ goto err;
+
+ if ((info->end == (unsigned long)regs + sizeof(*regs)) &&
+ !regs->regs[3] && !regs->regs[1])
+ goto end;
+
+ if (user_mode(regs))
+ goto end;
+
+ pc = regs->csr_era;
+ if (!__kernel_text_address(pc))
+ goto err;
+
+ state->sp = regs->regs[3];
+ state->ra = regs->regs[1];
+ state->fp = regs->regs[22];
+ get_stack_info(state->sp, state->task, info);
+
+ break;
+ default:
+ orc_warn("unknown .orc_unwind entry type %d at %pB\n", orc->type, (void *)state->pc);
+ goto err;
+ }
+
+ state->pc = bt_address(pc);
+ if (!state->pc) {
+ pr_err("cannot find unwind pc at %pK\n", (void *)pc);
+ goto err;
+ }
+
+ if (!__kernel_text_address(state->pc))
+ goto err;
+
+ preempt_enable();
+ return true;
+
+err:
+ state->error = true;
+
+end:
+ preempt_enable();
+ state->stack_info.type = STACK_TYPE_UNKNOWN;
+ return false;
+}
+EXPORT_SYMBOL_GPL(unwind_next_frame);
diff --git a/arch/loongarch/kernel/vmlinux.lds.S b/arch/loongarch/kernel/vmlinux.lds.S
index a5d0cd2035da0..e8e97dbf9ca40 100644
--- a/arch/loongarch/kernel/vmlinux.lds.S
+++ b/arch/loongarch/kernel/vmlinux.lds.S
@@ -2,6 +2,7 @@
#include <linux/sizes.h>
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
+#include <asm/orc_lookup.h>
#define PAGE_SIZE _PAGE_SIZE
#define RO_EXCEPTION_TABLE_ALIGN 4
@@ -122,6 +123,8 @@ SECTIONS
}
#endif
+ ORC_UNWIND_TABLE
+
.sdata : {
*(.sdata)
}
diff --git a/arch/loongarch/kvm/switch.S b/arch/loongarch/kvm/switch.S
index ba976509bfe81..1fcc4b7eda32a 100644
--- a/arch/loongarch/kvm/switch.S
+++ b/arch/loongarch/kvm/switch.S
@@ -8,7 +8,7 @@
#include <asm/asmmacro.h>
#include <asm/loongarch.h>
#include <asm/regdef.h>
-#include <asm/stackframe.h>
+#include <asm/unwind_hints.h>
#define HGPR_OFFSET(x) (PT_R0 + 8*x)
#define GGPR_OFFSET(x) (KVM_ARCH_GGPR + 8*x)
@@ -112,6 +112,7 @@
.text
.cfi_sections .debug_frame
SYM_CODE_START(kvm_exc_entry)
+ UNWIND_HINT_UNDEFINED
csrwr a2, KVM_TEMP_KS
csrrd a2, KVM_VCPU_KS
addi.d a2, a2, KVM_VCPU_ARCH
@@ -279,3 +280,9 @@ SYM_FUNC_END(kvm_restore_lasx)
.section ".rodata"
SYM_DATA(kvm_exception_size, .quad kvm_exc_entry_end - kvm_exc_entry)
SYM_DATA(kvm_enter_guest_size, .quad kvm_enter_guest_end - kvm_enter_guest)
+
+#ifdef CONFIG_CPU_HAS_LBT
+STACK_FRAME_NON_STANDARD kvm_restore_fpu
+STACK_FRAME_NON_STANDARD kvm_restore_lsx
+STACK_FRAME_NON_STANDARD kvm_restore_lasx
+#endif
diff --git a/arch/loongarch/lib/clear_user.S b/arch/loongarch/lib/clear_user.S
index be741544e62bf..7a0db643b2866 100644
--- a/arch/loongarch/lib/clear_user.S
+++ b/arch/loongarch/lib/clear_user.S
@@ -10,6 +10,7 @@
#include <asm/asm-extable.h>
#include <asm/cpu.h>
#include <asm/regdef.h>
+#include <asm/unwind_hints.h>
SYM_FUNC_START(__clear_user)
/*
@@ -204,3 +205,5 @@ SYM_FUNC_START(__clear_user_fast)
_asm_extable 28b, .Lsmall_fixup
_asm_extable 29b, .Lexit
SYM_FUNC_END(__clear_user_fast)
+
+STACK_FRAME_NON_STANDARD __clear_user_fast
diff --git a/arch/loongarch/lib/copy_user.S b/arch/loongarch/lib/copy_user.S
index feec3d3628032..095ce9181c6c0 100644
--- a/arch/loongarch/lib/copy_user.S
+++ b/arch/loongarch/lib/copy_user.S
@@ -10,6 +10,7 @@
#include <asm/asm-extable.h>
#include <asm/cpu.h>
#include <asm/regdef.h>
+#include <asm/unwind_hints.h>
SYM_FUNC_START(__copy_user)
/*
@@ -278,3 +279,5 @@ SYM_FUNC_START(__copy_user_fast)
_asm_extable 58b, .Lexit
_asm_extable 59b, .Lexit
SYM_FUNC_END(__copy_user_fast)
+
+STACK_FRAME_NON_STANDARD __copy_user_fast
diff --git a/arch/loongarch/lib/memcpy.S b/arch/loongarch/lib/memcpy.S
index fa1148878d2b9..9517a2f961af3 100644
--- a/arch/loongarch/lib/memcpy.S
+++ b/arch/loongarch/lib/memcpy.S
@@ -9,6 +9,7 @@
#include <asm/asmmacro.h>
#include <asm/cpu.h>
#include <asm/regdef.h>
+#include <asm/unwind_hints.h>
.section .noinstr.text, "ax"
@@ -197,3 +198,5 @@ SYM_FUNC_START(__memcpy_fast)
jr ra
SYM_FUNC_END(__memcpy_fast)
_ASM_NOKPROBE(__memcpy_fast)
+
+STACK_FRAME_NON_STANDARD __memcpy_small
diff --git a/arch/loongarch/lib/memset.S b/arch/loongarch/lib/memset.S
index 06d3ca54cbfe7..df38466205531 100644
--- a/arch/loongarch/lib/memset.S
+++ b/arch/loongarch/lib/memset.S
@@ -9,6 +9,7 @@
#include <asm/asmmacro.h>
#include <asm/cpu.h>
#include <asm/regdef.h>
+#include <asm/unwind_hints.h>
.macro fill_to_64 r0
bstrins.d \r0, \r0, 15, 8
@@ -166,3 +167,5 @@ SYM_FUNC_START(__memset_fast)
jr ra
SYM_FUNC_END(__memset_fast)
_ASM_NOKPROBE(__memset_fast)
+
+STACK_FRAME_NON_STANDARD __memset_fast
diff --git a/arch/loongarch/mm/tlb.c b/arch/loongarch/mm/tlb.c
index 0b95d32b30c94..5ac9beb5f0935 100644
--- a/arch/loongarch/mm/tlb.c
+++ b/arch/loongarch/mm/tlb.c
@@ -9,8 +9,9 @@
#include <linux/hugetlb.h>
#include <linux/export.h>
-#include <asm/cpu.h>
#include <asm/bootinfo.h>
+#include <asm/cpu.h>
+#include <asm/exception.h>
#include <asm/mmu_context.h>
#include <asm/pgtable.h>
#include <asm/tlb.h>
@@ -266,24 +267,20 @@ static void setup_tlb_handler(int cpu)
setup_ptwalker();
local_flush_tlb_all();
+ if (cpu_has_ptw) {
+ exception_table[EXCCODE_TLBI] = handle_tlb_load_ptw;
+ exception_table[EXCCODE_TLBL] = handle_tlb_load_ptw;
+ exception_table[EXCCODE_TLBS] = handle_tlb_store_ptw;
+ exception_table[EXCCODE_TLBM] = handle_tlb_modify_ptw;
+ }
+
/* The tlb handlers are generated only once */
if (cpu == 0) {
memcpy((void *)tlbrentry, handle_tlb_refill, 0x80);
local_flush_icache_range(tlbrentry, tlbrentry + 0x80);
- if (!cpu_has_ptw) {
- set_handler(EXCCODE_TLBI * VECSIZE, handle_tlb_load, VECSIZE);
- set_handler(EXCCODE_TLBL * VECSIZE, handle_tlb_load, VECSIZE);
- set_handler(EXCCODE_TLBS * VECSIZE, handle_tlb_store, VECSIZE);
- set_handler(EXCCODE_TLBM * VECSIZE, handle_tlb_modify, VECSIZE);
- } else {
- set_handler(EXCCODE_TLBI * VECSIZE, handle_tlb_load_ptw, VECSIZE);
- set_handler(EXCCODE_TLBL * VECSIZE, handle_tlb_load_ptw, VECSIZE);
- set_handler(EXCCODE_TLBS * VECSIZE, handle_tlb_store_ptw, VECSIZE);
- set_handler(EXCCODE_TLBM * VECSIZE, handle_tlb_modify_ptw, VECSIZE);
- }
- set_handler(EXCCODE_TLBNR * VECSIZE, handle_tlb_protect, VECSIZE);
- set_handler(EXCCODE_TLBNX * VECSIZE, handle_tlb_protect, VECSIZE);
- set_handler(EXCCODE_TLBPE * VECSIZE, handle_tlb_protect, VECSIZE);
+
+ for (int i = EXCCODE_TLBL; i <= EXCCODE_TLBPE; i++)
+ set_handler(i * VECSIZE, exception_table[i], VECSIZE);
} else {
int vec_sz __maybe_unused;
void *addr __maybe_unused;
diff --git a/arch/loongarch/mm/tlbex.S b/arch/loongarch/mm/tlbex.S
index d5d682f3d29f3..a44387b838af6 100644
--- a/arch/loongarch/mm/tlbex.S
+++ b/arch/loongarch/mm/tlbex.S
@@ -18,6 +18,7 @@
.macro tlb_do_page_fault, write
SYM_CODE_START(tlb_do_page_fault_\write)
+ UNWIND_HINT_UNDEFINED
SAVE_ALL
csrrd a2, LOONGARCH_CSR_BADV
move a0, sp
@@ -32,6 +33,7 @@
tlb_do_page_fault 1
SYM_CODE_START(handle_tlb_protect)
+ UNWIND_HINT_UNDEFINED
BACKUP_T0T1
SAVE_ALL
move a0, sp
@@ -44,6 +46,7 @@ SYM_CODE_START(handle_tlb_protect)
SYM_CODE_END(handle_tlb_protect)
SYM_CODE_START(handle_tlb_load)
+ UNWIND_HINT_UNDEFINED
csrwr t0, EXCEPTION_KS0
csrwr t1, EXCEPTION_KS1
csrwr ra, EXCEPTION_KS2
@@ -190,6 +193,7 @@ nopage_tlb_load:
SYM_CODE_END(handle_tlb_load)
SYM_CODE_START(handle_tlb_load_ptw)
+ UNWIND_HINT_UNDEFINED
csrwr t0, LOONGARCH_CSR_KS0
csrwr t1, LOONGARCH_CSR_KS1
la_abs t0, tlb_do_page_fault_0
@@ -197,6 +201,7 @@ SYM_CODE_START(handle_tlb_load_ptw)
SYM_CODE_END(handle_tlb_load_ptw)
SYM_CODE_START(handle_tlb_store)
+ UNWIND_HINT_UNDEFINED
csrwr t0, EXCEPTION_KS0
csrwr t1, EXCEPTION_KS1
csrwr ra, EXCEPTION_KS2
@@ -346,6 +351,7 @@ nopage_tlb_store:
SYM_CODE_END(handle_tlb_store)
SYM_CODE_START(handle_tlb_store_ptw)
+ UNWIND_HINT_UNDEFINED
csrwr t0, LOONGARCH_CSR_KS0
csrwr t1, LOONGARCH_CSR_KS1
la_abs t0, tlb_do_page_fault_1
@@ -353,6 +359,7 @@ SYM_CODE_START(handle_tlb_store_ptw)
SYM_CODE_END(handle_tlb_store_ptw)
SYM_CODE_START(handle_tlb_modify)
+ UNWIND_HINT_UNDEFINED
csrwr t0, EXCEPTION_KS0
csrwr t1, EXCEPTION_KS1
csrwr ra, EXCEPTION_KS2
@@ -500,6 +507,7 @@ nopage_tlb_modify:
SYM_CODE_END(handle_tlb_modify)
SYM_CODE_START(handle_tlb_modify_ptw)
+ UNWIND_HINT_UNDEFINED
csrwr t0, LOONGARCH_CSR_KS0
csrwr t1, LOONGARCH_CSR_KS1
la_abs t0, tlb_do_page_fault_1
@@ -507,6 +515,7 @@ SYM_CODE_START(handle_tlb_modify_ptw)
SYM_CODE_END(handle_tlb_modify_ptw)
SYM_CODE_START(handle_tlb_refill)
+ UNWIND_HINT_UNDEFINED
csrwr t0, LOONGARCH_CSR_TLBRSAVE
csrrd t0, LOONGARCH_CSR_PGD
lddir t0, t0, 3
diff --git a/arch/loongarch/vdso/Makefile b/arch/loongarch/vdso/Makefile
index f597cd08a96be..75c6726382c34 100644
--- a/arch/loongarch/vdso/Makefile
+++ b/arch/loongarch/vdso/Makefile
@@ -4,6 +4,7 @@
KASAN_SANITIZE := n
UBSAN_SANITIZE := n
KCOV_INSTRUMENT := n
+OBJECT_FILES_NON_STANDARD := y
# Include the generic Makefile to check the built vdso.
include $(srctree)/lib/vdso/Makefile
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index bb1339c7057b4..39f2d4a05208d 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -116,6 +116,14 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
*/
#define __stringify_label(n) #n
+#define __annotate_reachable(c) ({ \
+ asm volatile(__stringify_label(c) ":\n\t" \
+ ".pushsection .discard.reachable\n\t" \
+ ".long " __stringify_label(c) "b - .\n\t" \
+ ".popsection\n\t"); \
+})
+#define annotate_reachable() __annotate_reachable(__COUNTER__)
+
#define __annotate_unreachable(c) ({ \
asm volatile(__stringify_label(c) ":\n\t" \
".pushsection .discard.unreachable\n\t" \
@@ -128,6 +136,7 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
#define __annotate_jump_table __section(".rodata..c_jump_table")
#else /* !CONFIG_OBJTOOL */
+#define annotate_reachable()
#define annotate_unreachable()
#define __annotate_jump_table
#endif /* CONFIG_OBJTOOL */
diff --git a/scripts/Makefile b/scripts/Makefile
index 576cf64be6677..e4cca53d22858 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -31,9 +31,12 @@ HOSTLDLIBS_sign-file = $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null |
ifdef CONFIG_UNWINDER_ORC
ifeq ($(ARCH),x86_64)
-ARCH := x86
+SRCARCH := x86
endif
-HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include
+ifeq ($(ARCH),loongarch)
+SRCARCH := loongarch
+endif
+HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/$(SRCARCH)/include
HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
endif
--
GitLab
From 199cc14cb4f1cb8668be45f67af41755ed5f0175 Mon Sep 17 00:00:00 2001
From: Jinyang He <hejinyang@loongson.cn>
Date: Mon, 11 Mar 2024 22:23:47 +0800
Subject: [PATCH 1122/2686] LoongArch: Add kernel livepatching support
The arch-specified function ftrace_regs_set_instruction_pointer() has
been implemented in arch/loongarch/include/asm/ftrace.h, so here only
implement arch_stack_walk_reliable() function.
Here are the test logs:
[root@linux fedora]# cat /proc/cmdline
BOOT_IMAGE=/vmlinuz-6.8.0-rc2 root=/dev/sda3
[root@linux fedora]# modprobe livepatch-sample
[root@linux fedora]# cat /proc/cmdline
this has been live patched
[root@linux fedora]# echo 0 > /sys/kernel/livepatch/livepatch_sample/enabled
[root@linux fedora]# rmmod livepatch_sample
[root@linux fedora]# cat /proc/cmdline
BOOT_IMAGE=/vmlinuz-6.8.0-rc2 root=/dev/sda3
[root@linux fedora]# dmesg -t | tail -5
livepatch: enabling patch 'livepatch_sample'
livepatch: 'livepatch_sample': starting patching transition
livepatch: 'livepatch_sample': patching complete
livepatch: 'livepatch_sample': starting unpatching transition
livepatch: 'livepatch_sample': unpatching complete
Signed-off-by: Jinyang He <hejinyang@loongson.cn>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/Kconfig | 4 +++
arch/loongarch/include/asm/thread_info.h | 2 ++
arch/loongarch/kernel/stacktrace.c | 40 ++++++++++++++++++++++++
3 files changed, 46 insertions(+)
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index 8d6725115ac6b..99a0a15ce5f7c 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -134,6 +134,7 @@ config LOONGARCH
select HAVE_KPROBES_ON_FTRACE
select HAVE_KRETPROBES
select HAVE_KVM
+ select HAVE_LIVEPATCH
select HAVE_MOD_ARCH_SPECIFIC
select HAVE_NMI
select HAVE_OBJTOOL if AS_HAS_EXPLICIT_RELOCS
@@ -143,6 +144,7 @@ config LOONGARCH
select HAVE_PERF_USER_STACK_DUMP
select HAVE_PREEMPT_DYNAMIC_KEY
select HAVE_REGS_AND_STACK_ACCESS_API
+ select HAVE_RELIABLE_STACKTRACE if UNWINDER_ORC
select HAVE_RETHOOK
select HAVE_RSEQ
select HAVE_RUST
@@ -636,6 +638,8 @@ config RANDOMIZE_BASE_MAX_OFFSET
This is limited by the size of the lower address memory, 256MB.
+source "kernel/livepatch/Kconfig"
+
endmenu
config ARCH_SELECT_MEMORY_MODEL
diff --git a/arch/loongarch/include/asm/thread_info.h b/arch/loongarch/include/asm/thread_info.h
index 8cb653d49a543..8bf0e6f515466 100644
--- a/arch/loongarch/include/asm/thread_info.h
+++ b/arch/loongarch/include/asm/thread_info.h
@@ -86,6 +86,7 @@ register unsigned long current_stack_pointer __asm__("$sp");
#define TIF_LASX_CTX_LIVE 18 /* LASX context must be preserved */
#define TIF_USEDLBT 19 /* LBT was used by this task this quantum (SMP) */
#define TIF_LBT_CTX_LIVE 20 /* LBT context must be preserved */
+#define TIF_PATCH_PENDING 21 /* pending live patching update */
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
@@ -105,6 +106,7 @@ register unsigned long current_stack_pointer __asm__("$sp");
#define _TIF_LASX_CTX_LIVE (1<<TIF_LASX_CTX_LIVE)
#define _TIF_USEDLBT (1<<TIF_USEDLBT)
#define _TIF_LBT_CTX_LIVE (1<<TIF_LBT_CTX_LIVE)
+#define _TIF_PATCH_PENDING (1<<TIF_PATCH_PENDING)
#endif /* __KERNEL__ */
#endif /* _ASM_THREAD_INFO_H */
diff --git a/arch/loongarch/kernel/stacktrace.c b/arch/loongarch/kernel/stacktrace.c
index eaec82e02c92a..9a038d1070d73 100644
--- a/arch/loongarch/kernel/stacktrace.c
+++ b/arch/loongarch/kernel/stacktrace.c
@@ -40,6 +40,46 @@ void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
}
}
+int arch_stack_walk_reliable(stack_trace_consume_fn consume_entry,
+ void *cookie, struct task_struct *task)
+{
+ unsigned long addr;
+ struct pt_regs dummyregs;
+ struct pt_regs *regs = &dummyregs;
+ struct unwind_state state;
+
+ if (task == current) {
+ regs->regs[3] = (unsigned long)__builtin_frame_address(0);
+ regs->csr_era = (unsigned long)__builtin_return_address(0);
+ } else {
+ regs->regs[3] = thread_saved_fp(task);
+ regs->csr_era = thread_saved_ra(task);
+ }
+ regs->regs[1] = 0;
+ regs->regs[22] = 0;
+
+ for (unwind_start(&state, task, regs);
+ !unwind_done(&state) && !unwind_error(&state); unwind_next_frame(&state)) {
+ addr = unwind_get_return_address(&state);
+
+ /*
+ * A NULL or invalid return address probably means there's some
+ * generated code which __kernel_text_address() doesn't know about.
+ */
+ if (!addr)
+ return -EINVAL;
+
+ if (!consume_entry(cookie, addr))
+ return -EINVAL;
+ }
+
+ /* Check for stack corruption */
+ if (unwind_error(&state))
+ return -EINVAL;
+
+ return 0;
+}
+
static int
copy_stack_frame(unsigned long fp, struct stack_frame *frame)
{
--
GitLab
From db185362fca554b201e2c62beb15a02bb39a064b Mon Sep 17 00:00:00 2001
From: M Cooley <m.cooley.198@gmail.com>
Date: Fri, 8 Mar 2024 17:35:40 -0500
Subject: [PATCH 1123/2686] ASoC: amd: yc: Fix non-functional mic on ASUS
M7600RE
The ASUS M7600RE (Vivobook Pro 16X OLED) needs a quirks-table entry for the
internal microphone to function properly.
Signed-off-by: Mitch Cooley <m.cooley.198@gmail.com>
Link: https://msgid.link/r/CALijGznExWW4fujNWwMzmn_K=wo96sGzV_2VkT7NjvEUdkg7Gw@mail.gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/amd/yc/acp6x-mach.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c
index cc231185d72c3..384217c5eeeb2 100644
--- a/sound/soc/amd/yc/acp6x-mach.c
+++ b/sound/soc/amd/yc/acp6x-mach.c
@@ -304,6 +304,13 @@ static const struct dmi_system_id yc_acp_quirk_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "E1504FA"),
}
},
+ {
+ .driver_data = &acp6x_card,
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "M7600RE"),
+ }
+ },
{
.driver_data = &acp6x_card,
.matches = {
--
GitLab
From b36e78b216e632d90138751e4ff80044de303656 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 26 Feb 2024 12:25:01 +0100
Subject: [PATCH 1124/2686] ARM: 9354/1: ptrace: Use bitfield helpers
The isa_mode() macro extracts two fields, and recombines them into a
single value.
Make this more obvious by using the FIELD_GET() helper, and shifting the
result into its final resting place.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
arch/arm/include/asm/ptrace.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index 7f44e88d1f25b..14a38cc67e0bc 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -10,6 +10,7 @@
#include <uapi/asm/ptrace.h>
#ifndef __ASSEMBLY__
+#include <linux/bitfield.h>
#include <linux/types.h>
struct pt_regs {
@@ -35,8 +36,8 @@ struct svc_pt_regs {
#ifndef CONFIG_CPU_V7M
#define isa_mode(regs) \
- ((((regs)->ARM_cpsr & PSR_J_BIT) >> (__ffs(PSR_J_BIT) - 1)) | \
- (((regs)->ARM_cpsr & PSR_T_BIT) >> (__ffs(PSR_T_BIT))))
+ (FIELD_GET(PSR_J_BIT, (regs)->ARM_cpsr) << 1 | \
+ FIELD_GET(PSR_T_BIT, (regs)->ARM_cpsr))
#else
#define isa_mode(regs) 1 /* Thumb */
#endif
--
GitLab
From 0c66c6f4e21cb22220cbd8821c5c73fc157d20dc Mon Sep 17 00:00:00 2001
From: Yongqiang Liu <liuyongqiang13@huawei.com>
Date: Thu, 7 Mar 2024 13:05:09 +0100
Subject: [PATCH 1125/2686] ARM: 9359/1: flush: check if the folio is reserved
for no-mapping addresses
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Since commit a4d5613c4dc6 ("arm: extend pfn_valid to take into account
freed memory map alignment") changes the semantics of pfn_valid() to check
presence of the memory map for a PFN. A valid page for an address which
is reserved but not mapped by the kernel[1], the system crashed during
some uio test with the following memory layout:
node 0: [mem 0x00000000c0a00000-0x00000000cc8fffff]
node 0: [mem 0x00000000d0000000-0x00000000da1fffff]
the uio layout is：0xc0900000, 0x100000
the crash backtrace like:
Unable to handle kernel paging request at virtual address bff00000
[...]
CPU: 1 PID: 465 Comm: startapp.bin Tainted: G O 5.10.0 #1
Hardware name: Generic DT based system
PC is at b15_flush_kern_dcache_area+0x24/0x3c
LR is at __sync_icache_dcache+0x6c/0x98
[...]
(b15_flush_kern_dcache_area) from (__sync_icache_dcache+0x6c/0x98)
(__sync_icache_dcache) from (set_pte_at+0x28/0x54)
(set_pte_at) from (remap_pfn_range+0x1a0/0x274)
(remap_pfn_range) from (uio_mmap+0x184/0x1b8 [uio])
(uio_mmap [uio]) from (__mmap_region+0x264/0x5f4)
(__mmap_region) from (__do_mmap_mm+0x3ec/0x440)
(__do_mmap_mm) from (do_mmap+0x50/0x58)
(do_mmap) from (vm_mmap_pgoff+0xfc/0x188)
(vm_mmap_pgoff) from (ksys_mmap_pgoff+0xac/0xc4)
(ksys_mmap_pgoff) from (ret_fast_syscall+0x0/0x5c)
Code: e0801001 e2423001 e1c00003 f57ff04f (ee070f3e)
---[ end trace 09cf0734c3805d52 ]---
Kernel panic - not syncing: Fatal exception
So check if PG_reserved was set to solve this issue.
[1]: https://lore.kernel.org/lkml/Zbtdue57RO0QScJM@linux.ibm.com/
Fixes: a4d5613c4dc6 ("arm: extend pfn_valid to take into account freed memory map alignment")
Suggested-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Yongqiang Liu <liuyongqiang13@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
arch/arm/mm/flush.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index d19d140a10c7d..0749cf8a66371 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -296,6 +296,9 @@ void __sync_icache_dcache(pte_t pteval)
return;
folio = page_folio(pfn_to_page(pfn));
+ if (folio_test_reserved(folio))
+ return;
+
if (cache_is_vipt_aliasing())
mapping = folio_flush_mapping(folio);
else
--
GitLab
From c95346ac918c5badf51b9a7ac58a26d3bd5bb224 Mon Sep 17 00:00:00 2001
From: Andrew Price <anprice@redhat.com>
Date: Mon, 11 Mar 2024 16:40:36 +0100
Subject: [PATCH 1126/2686] gfs2: Fix invalid metadata access in punch_hole
In punch_hole(), when the offset lies in the final block for a given
height, there is no hole to punch, but the maximum size check fails to
detect that. Consequently, punch_hole() will try to punch a hole beyond
the end of the metadata and fail. Fix the maximum size check.
Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
---
fs/gfs2/bmap.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index d9ccfd27e4f11..643175498d1c3 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -1718,7 +1718,8 @@ static int punch_hole(struct gfs2_inode *ip, u64 offset, u64 length)
struct buffer_head *dibh, *bh;
struct gfs2_holder rd_gh;
unsigned int bsize_shift = sdp->sd_sb.sb_bsize_shift;
- u64 lblock = (offset + (1 << bsize_shift) - 1) >> bsize_shift;
+ unsigned int bsize = 1 << bsize_shift;
+ u64 lblock = (offset + bsize - 1) >> bsize_shift;
__u16 start_list[GFS2_MAX_META_HEIGHT];
__u16 __end_list[GFS2_MAX_META_HEIGHT], *end_list = NULL;
unsigned int start_aligned, end_aligned;
@@ -1729,7 +1730,7 @@ static int punch_hole(struct gfs2_inode *ip, u64 offset, u64 length)
u64 prev_bnr = 0;
__be64 *start, *end;
- if (offset >= maxsize) {
+ if (offset + bsize - 1 >= maxsize) {
/*
* The starting point lies beyond the allocated metadata;
* there are no blocks to deallocate.
--
GitLab
From 6f0974eccbf78baead1735722c4f1ee3eb9422cd Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Mon, 11 Mar 2024 13:30:43 -0600
Subject: [PATCH 1127/2686] io_uring: don't save/restore iowait state
This kind of state is per-syscall, and since we're doing the waiting off
entering the io_uring_enter(2) syscall, there's no way that iowait can
already be set for this case. Simplify it by setting it if we need to,
and always clearing it to 0 when done.
Fixes: 7b72d661f1f2 ("io_uring: gate iowait schedule on having pending requests")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/io_uring.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index cf348c33f4855..49a124daa3595 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -2539,7 +2539,7 @@ static bool current_pending_io(void)
static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx,
struct io_wait_queue *iowq)
{
- int io_wait, ret;
+ int ret;
if (unlikely(READ_ONCE(ctx->check_cq)))
return 1;
@@ -2557,7 +2557,6 @@ static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx,
* can take into account that the task is waiting for IO - turns out
* to be important for low QD IO.
*/
- io_wait = current->in_iowait;
if (current_pending_io())
current->in_iowait = 1;
ret = 0;
@@ -2565,7 +2564,7 @@ static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx,
schedule();
else if (!schedule_hrtimeout(&iowq->timeout, HRTIMER_MODE_ABS))
ret = -ETIME;
- current->in_iowait = io_wait;
+ current->in_iowait = 0;
return ret;
}
--
GitLab
From 410779d8d81fcfb45f839238dc6505af5357f5b8 Mon Sep 17 00:00:00 2001
From: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Date: Thu, 7 Mar 2024 15:03:38 -0800
Subject: [PATCH 1128/2686] mshyperv: Introduce hv_get_hypervisor_version
function
Introduce x86_64 and arm64 functions to get the hypervisor version
information and store it in a structure for simpler parsing.
Use the new function to get and parse the version at boot time. While at
it, move the printing code to hv_common_init() so it is not duplicated.
Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Acked-by: Wei Liu <wei.liu@kernel.org>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Link: https://lore.kernel.org/r/1709852618-29110-1-git-send-email-nunodasneves@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1709852618-29110-1-git-send-email-nunodasneves@linux.microsoft.com>
---
arch/arm64/hyperv/mshyperv.c | 18 ++++++++--------
arch/x86/kernel/cpu/mshyperv.c | 34 ++++++++++++++-----------------
drivers/hv/hv_common.c | 8 ++++++++
include/asm-generic/hyperv-tlfs.h | 23 +++++++++++++++++++++
include/asm-generic/mshyperv.h | 2 ++
5 files changed, 56 insertions(+), 29 deletions(-)
diff --git a/arch/arm64/hyperv/mshyperv.c b/arch/arm64/hyperv/mshyperv.c
index f1b8a04ee9f26..99362716ac872 100644
--- a/arch/arm64/hyperv/mshyperv.c
+++ b/arch/arm64/hyperv/mshyperv.c
@@ -19,10 +19,17 @@
static bool hyperv_initialized;
+int hv_get_hypervisor_version(union hv_hypervisor_version_info *info)
+{
+ hv_get_vpreg_128(HV_REGISTER_HYPERVISOR_VERSION,
+ (struct hv_get_vp_registers_output *)info);
+
+ return 0;
+}
+
static int __init hyperv_init(void)
{
struct hv_get_vp_registers_output result;
- u32 a, b, c, d;
u64 guest_id;
int ret;
@@ -54,15 +61,6 @@ static int __init hyperv_init(void)
ms_hyperv.features, ms_hyperv.priv_high, ms_hyperv.hints,
ms_hyperv.misc_features);
- /* Get information about the Hyper-V host version */
- hv_get_vpreg_128(HV_REGISTER_HYPERVISOR_VERSION, &result);
- a = result.as32.a;
- b = result.as32.b;
- c = result.as32.c;
- d = result.as32.d;
- pr_info("Hyper-V: Host Build %d.%d.%d.%d-%d-%d\n",
- b >> 16, b & 0xFFFF, a, d & 0xFFFFFF, c, d >> 24);
-
ret = hv_common_init();
if (ret)
return ret;
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index d306f6184ceee..56e731d8f5134 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -350,13 +350,24 @@ static void __init reduced_hw_init(void)
x86_init.irqs.pre_vector_init = x86_init_noop;
}
+int hv_get_hypervisor_version(union hv_hypervisor_version_info *info)
+{
+ unsigned int hv_max_functions;
+
+ hv_max_functions = cpuid_eax(HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS);
+ if (hv_max_functions < HYPERV_CPUID_VERSION) {
+ pr_err("%s: Could not detect Hyper-V version\n", __func__);
+ return -ENODEV;
+ }
+
+ cpuid(HYPERV_CPUID_VERSION, &info->eax, &info->ebx, &info->ecx, &info->edx);
+
+ return 0;
+}
+
static void __init ms_hyperv_init_platform(void)
{
int hv_max_functions_eax;
- int hv_host_info_eax;
- int hv_host_info_ebx;
- int hv_host_info_ecx;
- int hv_host_info_edx;
#ifdef CONFIG_PARAVIRT
pv_info.name = "Hyper-V";
@@ -407,21 +418,6 @@ static void __init ms_hyperv_init_platform(void)
pr_info("Hyper-V: running on a nested hypervisor\n");
}
- /*
- * Extract host information.
- */
- if (hv_max_functions_eax >= HYPERV_CPUID_VERSION) {
- hv_host_info_eax = cpuid_eax(HYPERV_CPUID_VERSION);
- hv_host_info_ebx = cpuid_ebx(HYPERV_CPUID_VERSION);
- hv_host_info_ecx = cpuid_ecx(HYPERV_CPUID_VERSION);
- hv_host_info_edx = cpuid_edx(HYPERV_CPUID_VERSION);
-
- pr_info("Hyper-V: Host Build %d.%d.%d.%d-%d-%d\n",
- hv_host_info_ebx >> 16, hv_host_info_ebx & 0xFFFF,
- hv_host_info_eax, hv_host_info_edx & 0xFFFFFF,
- hv_host_info_ecx, hv_host_info_edx >> 24);
- }
-
if (ms_hyperv.features & HV_ACCESS_FREQUENCY_MSRS &&
ms_hyperv.misc_features & HV_FEATURE_FREQUENCY_MSRS_AVAILABLE) {
x86_platform.calibrate_tsc = hv_get_tsc_khz;
diff --git a/drivers/hv/hv_common.c b/drivers/hv/hv_common.c
index 2f1dd4b07f9a4..5d64cb0a709d1 100644
--- a/drivers/hv/hv_common.c
+++ b/drivers/hv/hv_common.c
@@ -278,6 +278,14 @@ static void hv_kmsg_dump_register(void)
int __init hv_common_init(void)
{
int i;
+ union hv_hypervisor_version_info version;
+
+ /* Get information about the Hyper-V host version */
+ if (!hv_get_hypervisor_version(&version))
+ pr_info("Hyper-V: Host Build %d.%d.%d.%d-%d-%d\n",
+ version.major_version, version.minor_version,
+ version.build_number, version.service_number,
+ version.service_pack, version.service_branch);
if (hv_is_isolation_supported())
sysctl_record_panic_msg = 0;
diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h
index 3d1b31f90ed60..32514a870b983 100644
--- a/include/asm-generic/hyperv-tlfs.h
+++ b/include/asm-generic/hyperv-tlfs.h
@@ -817,6 +817,29 @@ struct hv_input_unmap_device_interrupt {
#define HV_SOURCE_SHADOW_NONE 0x0
#define HV_SOURCE_SHADOW_BRIDGE_BUS_RANGE 0x1
+/*
+ * Version info reported by hypervisor
+ */
+union hv_hypervisor_version_info {
+ struct {
+ u32 build_number;
+
+ u32 minor_version : 16;
+ u32 major_version : 16;
+
+ u32 service_pack;
+
+ u32 service_number : 24;
+ u32 service_branch : 8;
+ };
+ struct {
+ u32 eax;
+ u32 ebx;
+ u32 ecx;
+ u32 edx;
+ };
+};
+
/*
* The whole argument should fit in a page to be able to pass to the hypervisor
* in one hypercall.
diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
index 04424a446bb73..452b7c089b716 100644
--- a/include/asm-generic/mshyperv.h
+++ b/include/asm-generic/mshyperv.h
@@ -161,6 +161,8 @@ static inline void vmbus_signal_eom(struct hv_message *msg, u32 old_msg_type)
}
}
+int hv_get_hypervisor_version(union hv_hypervisor_version_info *info);
+
void hv_setup_vmbus_handler(void (*handler)(void));
void hv_remove_vmbus_handler(void);
void hv_setup_stimer0_handler(void (*handler)(void));
--
GitLab
From 2a07badb654a64e204fd260e04731b643c63cb2e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Fri, 8 Mar 2024 09:51:08 +0100
Subject: [PATCH 1129/2686] hv: vmbus: Convert to platform remove callback
returning void
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/920230729ddbeb9f3c4ff8282a18b0c0e1a37969.1709886922.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <920230729ddbeb9f3c4ff8282a18b0c0e1a37969.1709886922.git.u.kleine-koenig@pengutronix.de>
---
drivers/hv/vmbus_drv.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index b33d5abd9beb2..e25223cee3abc 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -2359,10 +2359,9 @@ static int vmbus_platform_driver_probe(struct platform_device *pdev)
return vmbus_acpi_add(pdev);
}
-static int vmbus_platform_driver_remove(struct platform_device *pdev)
+static void vmbus_platform_driver_remove(struct platform_device *pdev)
{
vmbus_mmio_remove();
- return 0;
}
#ifdef CONFIG_PM_SLEEP
@@ -2542,7 +2541,7 @@ static const struct dev_pm_ops vmbus_bus_pm = {
static struct platform_driver vmbus_platform_driver = {
.probe = vmbus_platform_driver_probe,
- .remove = vmbus_platform_driver_remove,
+ .remove_new = vmbus_platform_driver_remove,
.driver = {
.name = "vmbus",
.acpi_match_table = ACPI_PTR(vmbus_acpi_device_ids),
--
GitLab
From d4f4a361c4eadbc992dfb9667c9a73bb879f4458 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20Lebrun?= <theo.lebrun@bootlin.com>
Date: Wed, 6 Mar 2024 18:59:23 +0100
Subject: [PATCH 1130/2686] i2c: nomadik: simplify IRQ masking logic
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
IRQ_MASK and I2C_CLEAR_ALL_INTS both mask available interrupts. IRQ_MASK
removes top options (bits 29-31). I2C_CLEAR_ALL_INTS removes reserved
options including top bits. Keep the latter.
31 29 27 25 23 21 19 17 15 13 11 09 07 05 03 01
30 28 26 24 22 20 18 16 14 12 10 08 06 04 02 00
-- IRQ_MASK: ---------------------------------------------------
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
0 0 0
-- I2C_CLEAR_ALL_INTS: -----------------------------------------
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Notice I2C_CLEAR_ALL_INTS is more restrictive than IRQ_MASK.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
---
drivers/i2c/busses/i2c-nomadik.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index cd511c884f998..80bdf7e426130 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -94,9 +94,6 @@
/* some bits in ICR are reserved */
#define I2C_CLEAR_ALL_INTS 0x131f007f
-/* first three msb bits are reserved */
-#define IRQ_MASK(mask) (mask & 0x1fffffff)
-
/* maximum threshold value */
#define MAX_I2C_FIFO_THRESHOLD 15
@@ -249,8 +246,7 @@ static int flush_i2c_fifo(struct nmk_i2c_dev *priv)
*/
static void disable_all_interrupts(struct nmk_i2c_dev *priv)
{
- u32 mask = IRQ_MASK(0);
- writel(mask, priv->virtbase + I2C_IMSCR);
+ writel(0, priv->virtbase + I2C_IMSCR);
}
/**
@@ -259,9 +255,7 @@ static void disable_all_interrupts(struct nmk_i2c_dev *priv)
*/
static void clear_all_interrupts(struct nmk_i2c_dev *priv)
{
- u32 mask;
- mask = IRQ_MASK(I2C_CLEAR_ALL_INTS);
- writel(mask, priv->virtbase + I2C_ICR);
+ writel(I2C_CLEAR_ALL_INTS, priv->virtbase + I2C_ICR);
}
/**
@@ -468,7 +462,7 @@ static int read_i2c(struct nmk_i2c_dev *priv, u16 flags)
else
irq_mask |= I2C_IT_MTDWS;
- irq_mask = I2C_CLEAR_ALL_INTS & IRQ_MASK(irq_mask);
+ irq_mask &= I2C_CLEAR_ALL_INTS;
writel(readl(priv->virtbase + I2C_IMSCR) | irq_mask,
priv->virtbase + I2C_IMSCR);
@@ -547,7 +541,7 @@ static int write_i2c(struct nmk_i2c_dev *priv, u16 flags)
else
irq_mask |= I2C_IT_MTDWS;
- irq_mask = I2C_CLEAR_ALL_INTS & IRQ_MASK(irq_mask);
+ irq_mask &= I2C_CLEAR_ALL_INTS;
writel(readl(priv->virtbase + I2C_IMSCR) | irq_mask,
priv->virtbase + I2C_IMSCR);
@@ -703,8 +697,8 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
*/
static int disable_interrupts(struct nmk_i2c_dev *priv, u32 irq)
{
- irq = IRQ_MASK(irq);
- writel(readl(priv->virtbase + I2C_IMSCR) & ~(I2C_CLEAR_ALL_INTS & irq),
+ irq &= I2C_CLEAR_ALL_INTS;
+ writel(readl(priv->virtbase + I2C_IMSCR) & ~irq,
priv->virtbase + I2C_IMSCR);
return 0;
}
--
GitLab
From a9f5cd892354425dcba67692e0afe3af6a2b4b1f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20Lebrun?= <theo.lebrun@bootlin.com>
Date: Wed, 6 Mar 2024 18:59:24 +0100
Subject: [PATCH 1131/2686] i2c: nomadik: use bitops helpers
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Constant register bit fields are declared using hardcoded hex values;
replace them by calls to BIT() and GENMASK(). Replace custom GEN_MASK()
macro by the generic FIELD_PREP(). Replace manual bit manipulations by
the generic FIELD_GET() macro.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
---
drivers/i2c/busses/i2c-nomadik.c | 161 +++++++++++++++++--------------
1 file changed, 88 insertions(+), 73 deletions(-)
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index 80bdf7e426130..63ce70f763a86 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -9,6 +9,7 @@
* Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
* Author: Sachin Verma <sachin.verma@st.com>
*/
+#include <linux/bitfield.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/amba/bus.h>
@@ -42,54 +43,59 @@
#define I2C_ICR (0x038)
/* Control registers */
-#define I2C_CR_PE (0x1 << 0) /* Peripheral Enable */
-#define I2C_CR_OM (0x3 << 1) /* Operating mode */
-#define I2C_CR_SAM (0x1 << 3) /* Slave addressing mode */
-#define I2C_CR_SM (0x3 << 4) /* Speed mode */
-#define I2C_CR_SGCM (0x1 << 6) /* Slave general call mode */
-#define I2C_CR_FTX (0x1 << 7) /* Flush Transmit */
-#define I2C_CR_FRX (0x1 << 8) /* Flush Receive */
-#define I2C_CR_DMA_TX_EN (0x1 << 9) /* DMA Tx enable */
-#define I2C_CR_DMA_RX_EN (0x1 << 10) /* DMA Rx Enable */
-#define I2C_CR_DMA_SLE (0x1 << 11) /* DMA sync. logic enable */
-#define I2C_CR_LM (0x1 << 12) /* Loopback mode */
-#define I2C_CR_FON (0x3 << 13) /* Filtering on */
-#define I2C_CR_FS (0x3 << 15) /* Force stop enable */
+#define I2C_CR_PE BIT(0) /* Peripheral Enable */
+#define I2C_CR_OM GENMASK(2, 1) /* Operating mode */
+#define I2C_CR_SAM BIT(3) /* Slave addressing mode */
+#define I2C_CR_SM GENMASK(5, 4) /* Speed mode */
+#define I2C_CR_SGCM BIT(6) /* Slave general call mode */
+#define I2C_CR_FTX BIT(7) /* Flush Transmit */
+#define I2C_CR_FRX BIT(8) /* Flush Receive */
+#define I2C_CR_DMA_TX_EN BIT(9) /* DMA Tx enable */
+#define I2C_CR_DMA_RX_EN BIT(10) /* DMA Rx Enable */
+#define I2C_CR_DMA_SLE BIT(11) /* DMA sync. logic enable */
+#define I2C_CR_LM BIT(12) /* Loopback mode */
+#define I2C_CR_FON GENMASK(14, 13) /* Filtering on */
+#define I2C_CR_FS GENMASK(16, 15) /* Force stop enable */
+
+/* Slave control register (SCR) */
+#define I2C_SCR_SLSU GENMASK(31, 16) /* Slave data setup time */
/* Master controller (MCR) register */
-#define I2C_MCR_OP (0x1 << 0) /* Operation */
-#define I2C_MCR_A7 (0x7f << 1) /* 7-bit address */
-#define I2C_MCR_EA10 (0x7 << 8) /* 10-bit Extended address */
-#define I2C_MCR_SB (0x1 << 11) /* Extended address */
-#define I2C_MCR_AM (0x3 << 12) /* Address type */
-#define I2C_MCR_STOP (0x1 << 14) /* Stop condition */
-#define I2C_MCR_LENGTH (0x7ff << 15) /* Transaction length */
+#define I2C_MCR_OP BIT(0) /* Operation */
+#define I2C_MCR_A7 GENMASK(7, 1) /* 7-bit address */
+#define I2C_MCR_EA10 GENMASK(10, 8) /* 10-bit Extended address */
+#define I2C_MCR_SB BIT(11) /* Extended address */
+#define I2C_MCR_AM GENMASK(13, 12) /* Address type */
+#define I2C_MCR_STOP BIT(14) /* Stop condition */
+#define I2C_MCR_LENGTH GENMASK(25, 15) /* Transaction length */
/* Status register (SR) */
-#define I2C_SR_OP (0x3 << 0) /* Operation */
-#define I2C_SR_STATUS (0x3 << 2) /* controller status */
-#define I2C_SR_CAUSE (0x7 << 4) /* Abort cause */
-#define I2C_SR_TYPE (0x3 << 7) /* Receive type */
-#define I2C_SR_LENGTH (0x7ff << 9) /* Transfer length */
+#define I2C_SR_OP GENMASK(1, 0) /* Operation */
+#define I2C_SR_STATUS GENMASK(3, 2) /* controller status */
+#define I2C_SR_CAUSE GENMASK(6, 4) /* Abort cause */
+#define I2C_SR_TYPE GENMASK(8, 7) /* Receive type */
+#define I2C_SR_LENGTH GENMASK(19, 9) /* Transfer length */
+
+/* Baud-rate counter register (BRCR) */
+#define I2C_BRCR_BRCNT1 GENMASK(31, 16) /* Baud-rate counter 1 */
+#define I2C_BRCR_BRCNT2 GENMASK(15, 0) /* Baud-rate counter 2 */
/* Interrupt mask set/clear (IMSCR) bits */
-#define I2C_IT_TXFE (0x1 << 0)
-#define I2C_IT_TXFNE (0x1 << 1)
-#define I2C_IT_TXFF (0x1 << 2)
-#define I2C_IT_TXFOVR (0x1 << 3)
-#define I2C_IT_RXFE (0x1 << 4)
-#define I2C_IT_RXFNF (0x1 << 5)
-#define I2C_IT_RXFF (0x1 << 6)
-#define I2C_IT_RFSR (0x1 << 16)
-#define I2C_IT_RFSE (0x1 << 17)
-#define I2C_IT_WTSR (0x1 << 18)
-#define I2C_IT_MTD (0x1 << 19)
-#define I2C_IT_STD (0x1 << 20)
-#define I2C_IT_MAL (0x1 << 24)
-#define I2C_IT_BERR (0x1 << 25)
-#define I2C_IT_MTDWS (0x1 << 28)
-
-#define GEN_MASK(val, mask, sb) (((val) << (sb)) & (mask))
+#define I2C_IT_TXFE BIT(0)
+#define I2C_IT_TXFNE BIT(1)
+#define I2C_IT_TXFF BIT(2)
+#define I2C_IT_TXFOVR BIT(3)
+#define I2C_IT_RXFE BIT(4)
+#define I2C_IT_RXFNF BIT(5)
+#define I2C_IT_RXFF BIT(6)
+#define I2C_IT_RFSR BIT(16)
+#define I2C_IT_RFSE BIT(17)
+#define I2C_IT_WTSR BIT(18)
+#define I2C_IT_MTD BIT(19)
+#define I2C_IT_STD BIT(20)
+#define I2C_IT_MAL BIT(24)
+#define I2C_IT_BERR BIT(25)
+#define I2C_IT_MTDWS BIT(28)
/* some bits in ICR are reserved */
#define I2C_CLEAR_ALL_INTS 0x131f007f
@@ -128,6 +134,12 @@ enum i2c_operation {
I2C_READ = 0x01
};
+enum i2c_operating_mode {
+ I2C_OM_SLAVE,
+ I2C_OM_MASTER,
+ I2C_OM_MASTER_OR_SLAVE,
+};
+
/**
* struct i2c_nmk_client - client specific data
* @slave_adr: 7-bit slave address
@@ -284,7 +296,10 @@ static int init_hw(struct nmk_i2c_dev *priv)
}
/* enable peripheral, master mode operation */
-#define DEFAULT_I2C_REG_CR ((1 << 1) | I2C_CR_PE)
+#define DEFAULT_I2C_REG_CR (FIELD_PREP(I2C_CR_OM, I2C_OM_MASTER) | I2C_CR_PE)
+
+/* grab top three bits from extended I2C addresses */
+#define ADR_3MSB_BITS GENMASK(9, 7)
/**
* load_i2c_mcr_reg() - load the MCR register
@@ -296,41 +311,42 @@ static u32 load_i2c_mcr_reg(struct nmk_i2c_dev *priv, u16 flags)
u32 mcr = 0;
unsigned short slave_adr_3msb_bits;
- mcr |= GEN_MASK(priv->cli.slave_adr, I2C_MCR_A7, 1);
+ mcr |= FIELD_PREP(I2C_MCR_A7, priv->cli.slave_adr);
if (unlikely(flags & I2C_M_TEN)) {
/* 10-bit address transaction */
- mcr |= GEN_MASK(2, I2C_MCR_AM, 12);
+ mcr |= FIELD_PREP(I2C_MCR_AM, 2);
/*
* Get the top 3 bits.
* EA10 represents extended address in MCR. This includes
* the extension (MSB bits) of the 7 bit address loaded
* in A7
*/
- slave_adr_3msb_bits = (priv->cli.slave_adr >> 7) & 0x7;
+ slave_adr_3msb_bits = FIELD_GET(ADR_3MSB_BITS,
+ priv->cli.slave_adr);
- mcr |= GEN_MASK(slave_adr_3msb_bits, I2C_MCR_EA10, 8);
+ mcr |= FIELD_PREP(I2C_MCR_EA10, slave_adr_3msb_bits);
} else {
/* 7-bit address transaction */
- mcr |= GEN_MASK(1, I2C_MCR_AM, 12);
+ mcr |= FIELD_PREP(I2C_MCR_AM, 1);
}
/* start byte procedure not applied */
- mcr |= GEN_MASK(0, I2C_MCR_SB, 11);
+ mcr |= FIELD_PREP(I2C_MCR_SB, 0);
/* check the operation, master read/write? */
if (priv->cli.operation == I2C_WRITE)
- mcr |= GEN_MASK(I2C_WRITE, I2C_MCR_OP, 0);
+ mcr |= FIELD_PREP(I2C_MCR_OP, I2C_WRITE);
else
- mcr |= GEN_MASK(I2C_READ, I2C_MCR_OP, 0);
+ mcr |= FIELD_PREP(I2C_MCR_OP, I2C_READ);
/* stop or repeated start? */
if (priv->stop)
- mcr |= GEN_MASK(1, I2C_MCR_STOP, 14);
+ mcr |= FIELD_PREP(I2C_MCR_STOP, 1);
else
- mcr &= ~(GEN_MASK(1, I2C_MCR_STOP, 14));
+ mcr &= ~FIELD_PREP(I2C_MCR_STOP, 1);
- mcr |= GEN_MASK(priv->cli.count, I2C_MCR_LENGTH, 15);
+ mcr |= FIELD_PREP(I2C_MCR_LENGTH, priv->cli.count);
return mcr;
}
@@ -383,7 +399,7 @@ static void setup_i2c_controller(struct nmk_i2c_dev *priv)
slsu += 1;
dev_dbg(&priv->adev->dev, "calculated SLSU = %04x\n", slsu);
- writel(slsu << 16, priv->virtbase + I2C_SCR);
+ writel(FIELD_PREP(I2C_SCR_SLSU, slsu), priv->virtbase + I2C_SCR);
/*
* The spec says, in case of std. mode the divider is
@@ -399,8 +415,8 @@ static void setup_i2c_controller(struct nmk_i2c_dev *priv)
* plus operation. Currently we do not supprt high speed mode
* so set brcr1 to 0.
*/
- brcr1 = 0 << 16;
- brcr2 = (i2c_clk / (priv->clk_freq * div)) & 0xffff;
+ brcr1 = FIELD_PREP(I2C_BRCR_BRCNT1, 0);
+ brcr2 = FIELD_PREP(I2C_BRCR_BRCNT2, i2c_clk / (priv->clk_freq * div));
/* set the baud rate counter register */
writel((brcr1 | brcr2), priv->virtbase + I2C_BRCR);
@@ -414,12 +430,13 @@ static void setup_i2c_controller(struct nmk_i2c_dev *priv)
if (priv->sm > I2C_FREQ_MODE_FAST) {
dev_err(&priv->adev->dev,
"do not support this mode defaulting to std. mode\n");
- brcr2 = i2c_clk / (I2C_MAX_STANDARD_MODE_FREQ * 2) & 0xffff;
+ brcr2 = FIELD_PREP(I2C_BRCR_BRCNT2,
+ i2c_clk / (I2C_MAX_STANDARD_MODE_FREQ * 2));
writel((brcr1 | brcr2), priv->virtbase + I2C_BRCR);
- writel(I2C_FREQ_MODE_STANDARD << 4,
- priv->virtbase + I2C_CR);
+ writel(FIELD_PREP(I2C_CR_SM, I2C_FREQ_MODE_STANDARD),
+ priv->virtbase + I2C_CR);
}
- writel(priv->sm << 4, priv->virtbase + I2C_CR);
+ writel(FIELD_PREP(I2C_CR_SM, priv->sm), priv->virtbase + I2C_CR);
/* set the Tx and Rx FIFO threshold */
writel(priv->tft, priv->virtbase + I2C_TFTR);
@@ -583,13 +600,8 @@ static int nmk_i2c_xfer_one(struct nmk_i2c_dev *priv, u16 flags)
u32 cause;
i2c_sr = readl(priv->virtbase + I2C_SR);
- /*
- * Check if the controller I2C operation status
- * is set to ABORT(11b).
- */
- if (((i2c_sr >> 2) & 0x3) == 0x3) {
- /* get the abort cause */
- cause = (i2c_sr >> 4) & 0x7;
+ if (FIELD_GET(I2C_SR_STATUS, i2c_sr) == I2C_ABORT) {
+ cause = FIELD_GET(I2C_SR_CAUSE, i2c_sr);
dev_err(&priv->adev->dev, "%s\n",
cause >= ARRAY_SIZE(abort_causes) ?
"unknown reason" :
@@ -730,7 +742,7 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
misr = readl(priv->virtbase + I2C_MISR);
src = __ffs(misr);
- switch ((1 << src)) {
+ switch (BIT(src)) {
/* Transmit FIFO nearly empty interrupt */
case I2C_IT_TXFNE:
@@ -824,15 +836,18 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
* during the transaction.
*/
case I2C_IT_BERR:
+ {
+ u32 sr;
+
+ sr = readl(priv->virtbase + I2C_SR);
priv->result = -EIO;
- /* get the status */
- if (((readl(priv->virtbase + I2C_SR) >> 2) & 0x3) == I2C_ABORT)
+ if (FIELD_GET(I2C_SR_STATUS, sr) == I2C_ABORT)
init_hw(priv);
i2c_set_bit(priv->virtbase + I2C_ICR, I2C_IT_BERR);
complete(&priv->xfer_complete);
-
- break;
+ }
+ break;
/*
* Tx FIFO overrun interrupt.
--
GitLab
From 7489cd43a2ea26c963c422c08e943a4a616fdb15 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20Lebrun?= <theo.lebrun@bootlin.com>
Date: Wed, 6 Mar 2024 18:59:25 +0100
Subject: [PATCH 1132/2686] i2c: nomadik: support short xfer timeouts using
waitqueue & hrtimer
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Replace the completion by a waitqueue for synchronization from IRQ
handler to task. For short timeouts, use hrtimers, else use timers.
Usecase: avoid blocking the I2C bus for too long when an issue occurs.
The threshold picked is one jiffy: if timeout is below that, use
hrtimers. This threshold is NOT configurable.
Implement behavior but do NOT change fetching of timeout. This means the
timeout is unchanged (200ms) and the hrtimer case will never trigger.
A waitqueue is used because it supports both desired timeout approaches.
See wait_event_timeout() and wait_event_hrtimeout(). An atomic boolean
serves as synchronization condition.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
---
drivers/i2c/busses/i2c-nomadik.c | 70 ++++++++++++++++++++++----------
1 file changed, 48 insertions(+), 22 deletions(-)
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index 63ce70f763a86..2ba7d082e2054 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -168,10 +168,11 @@ struct i2c_nmk_client {
* @clk_freq: clock frequency for the operation mode
* @tft: Tx FIFO Threshold in bytes
* @rft: Rx FIFO Threshold in bytes
- * @timeout: Slave response timeout (ms)
+ * @timeout_usecs: Slave response timeout
* @sm: speed mode
* @stop: stop condition.
- * @xfer_complete: acknowledge completion for a I2C message.
+ * @xfer_wq: xfer done wait queue.
+ * @xfer_done: xfer done boolean.
* @result: controller propogated result.
*/
struct nmk_i2c_dev {
@@ -185,10 +186,11 @@ struct nmk_i2c_dev {
u32 clk_freq;
unsigned char tft;
unsigned char rft;
- int timeout;
+ u32 timeout_usecs;
enum i2c_freq_mode sm;
int stop;
- struct completion xfer_complete;
+ struct wait_queue_head xfer_wq;
+ bool xfer_done;
int result;
};
@@ -443,6 +445,22 @@ static void setup_i2c_controller(struct nmk_i2c_dev *priv)
writel(priv->rft, priv->virtbase + I2C_RFTR);
}
+static bool nmk_i2c_wait_xfer_done(struct nmk_i2c_dev *priv)
+{
+ if (priv->timeout_usecs < jiffies_to_usecs(1)) {
+ unsigned long timeout_usecs = priv->timeout_usecs;
+ ktime_t timeout = ktime_set(0, timeout_usecs * NSEC_PER_USEC);
+
+ wait_event_hrtimeout(priv->xfer_wq, priv->xfer_done, timeout);
+ } else {
+ unsigned long timeout = usecs_to_jiffies(priv->timeout_usecs);
+
+ wait_event_timeout(priv->xfer_wq, priv->xfer_done, timeout);
+ }
+
+ return priv->xfer_done;
+}
+
/**
* read_i2c() - Read from I2C client device
* @priv: private data of I2C Driver
@@ -454,9 +472,9 @@ static void setup_i2c_controller(struct nmk_i2c_dev *priv)
*/
static int read_i2c(struct nmk_i2c_dev *priv, u16 flags)
{
- int status = 0;
u32 mcr, irq_mask;
- unsigned long timeout;
+ int status = 0;
+ bool xfer_done;
mcr = load_i2c_mcr_reg(priv, flags);
writel(mcr, priv->virtbase + I2C_MCR);
@@ -468,7 +486,8 @@ static int read_i2c(struct nmk_i2c_dev *priv, u16 flags)
/* enable the controller */
i2c_set_bit(priv->virtbase + I2C_CR, I2C_CR_PE);
- init_completion(&priv->xfer_complete);
+ init_waitqueue_head(&priv->xfer_wq);
+ priv->xfer_done = false;
/* enable interrupts by setting the mask */
irq_mask = (I2C_IT_RXFNF | I2C_IT_RXFF |
@@ -484,10 +503,9 @@ static int read_i2c(struct nmk_i2c_dev *priv, u16 flags)
writel(readl(priv->virtbase + I2C_IMSCR) | irq_mask,
priv->virtbase + I2C_IMSCR);
- timeout = wait_for_completion_timeout(
- &priv->xfer_complete, priv->adap.timeout);
+ xfer_done = nmk_i2c_wait_xfer_done(priv);
- if (timeout == 0) {
+ if (!xfer_done) {
/* Controller timed out */
dev_err(&priv->adev->dev, "read from slave 0x%x timed out\n",
priv->cli.slave_adr);
@@ -522,9 +540,9 @@ static void fill_tx_fifo(struct nmk_i2c_dev *priv, int no_bytes)
*/
static int write_i2c(struct nmk_i2c_dev *priv, u16 flags)
{
- u32 status = 0;
u32 mcr, irq_mask;
- unsigned long timeout;
+ u32 status = 0;
+ bool xfer_done;
mcr = load_i2c_mcr_reg(priv, flags);
@@ -537,7 +555,8 @@ static int write_i2c(struct nmk_i2c_dev *priv, u16 flags)
/* enable the controller */
i2c_set_bit(priv->virtbase + I2C_CR, I2C_CR_PE);
- init_completion(&priv->xfer_complete);
+ init_waitqueue_head(&priv->xfer_wq);
+ priv->xfer_done = false;
/* enable interrupts by settings the masks */
irq_mask = (I2C_IT_TXFOVR | I2C_IT_MAL | I2C_IT_BERR);
@@ -563,10 +582,9 @@ static int write_i2c(struct nmk_i2c_dev *priv, u16 flags)
writel(readl(priv->virtbase + I2C_IMSCR) | irq_mask,
priv->virtbase + I2C_IMSCR);
- timeout = wait_for_completion_timeout(
- &priv->xfer_complete, priv->adap.timeout);
+ xfer_done = nmk_i2c_wait_xfer_done(priv);
- if (timeout == 0) {
+ if (!xfer_done) {
/* Controller timed out */
dev_err(&priv->adev->dev, "write to slave 0x%x timed out\n",
priv->cli.slave_adr);
@@ -816,7 +834,9 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
priv->cli.count);
init_hw(priv);
}
- complete(&priv->xfer_complete);
+ priv->xfer_done = true;
+ wake_up(&priv->xfer_wq);
+
break;
@@ -826,7 +846,9 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
init_hw(priv);
i2c_set_bit(priv->virtbase + I2C_ICR, I2C_IT_MAL);
- complete(&priv->xfer_complete);
+ priv->xfer_done = true;
+ wake_up(&priv->xfer_wq);
+
break;
@@ -845,7 +867,9 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
init_hw(priv);
i2c_set_bit(priv->virtbase + I2C_ICR, I2C_IT_BERR);
- complete(&priv->xfer_complete);
+ priv->xfer_done = true;
+ wake_up(&priv->xfer_wq);
+
}
break;
@@ -859,7 +883,9 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
init_hw(priv);
dev_err(dev, "Tx Fifo Over run\n");
- complete(&priv->xfer_complete);
+ priv->xfer_done = true;
+ wake_up(&priv->xfer_wq);
+
break;
@@ -960,7 +986,7 @@ static void nmk_i2c_of_probe(struct device_node *np,
priv->sm = I2C_FREQ_MODE_FAST;
priv->tft = 1; /* Tx FIFO threshold */
priv->rft = 8; /* Rx FIFO threshold */
- priv->timeout = 200; /* Slave response timeout(ms) */
+ priv->timeout_usecs = 200 * USEC_PER_MSEC; /* Slave response timeout */
}
static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
@@ -1020,7 +1046,7 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
adap->owner = THIS_MODULE;
adap->class = I2C_CLASS_DEPRECATED;
adap->algo = &nmk_i2c_algo;
- adap->timeout = msecs_to_jiffies(priv->timeout);
+ adap->timeout = usecs_to_jiffies(priv->timeout_usecs);
snprintf(adap->name, sizeof(adap->name),
"Nomadik I2C at %pR", &adev->res);
--
GitLab
From c763072ab4533f0669b19c60d8a18b31f2877164 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20Lebrun?= <theo.lebrun@bootlin.com>
Date: Wed, 6 Mar 2024 18:59:26 +0100
Subject: [PATCH 1133/2686] i2c: nomadik: replace jiffies by ktime for FIFO
flushing timeout
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The FIFO flush function uses a jiffies amount to detect timeouts as the
flushing is async. Replace with ktime to get more accurate precision
and support short timeouts.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
---
drivers/i2c/busses/i2c-nomadik.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index 2ba7d082e2054..020beb8ffa17f 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -225,8 +225,8 @@ static inline void i2c_clr_bit(void __iomem *reg, u32 mask)
static int flush_i2c_fifo(struct nmk_i2c_dev *priv)
{
#define LOOP_ATTEMPTS 10
+ ktime_t timeout;
int i;
- unsigned long timeout;
/*
* flush the transmit and receive FIFO. The flushing
@@ -238,9 +238,9 @@ static int flush_i2c_fifo(struct nmk_i2c_dev *priv)
writel((I2C_CR_FTX | I2C_CR_FRX), priv->virtbase + I2C_CR);
for (i = 0; i < LOOP_ATTEMPTS; i++) {
- timeout = jiffies + priv->adap.timeout;
+ timeout = ktime_add_us(ktime_get(), priv->timeout_usecs);
- while (!time_after(jiffies, timeout)) {
+ while (ktime_after(timeout, ktime_get())) {
if ((readl(priv->virtbase + I2C_CR) &
(I2C_CR_FTX | I2C_CR_FRX)) == 0)
return 0;
--
GitLab
From ec189b9fb83cd1c869d45bfe3c9cb27b71093a16 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20Lebrun?= <theo.lebrun@bootlin.com>
Date: Wed, 6 Mar 2024 18:59:27 +0100
Subject: [PATCH 1134/2686] i2c: nomadik: fetch i2c-transfer-timeout-us
property from devicetree
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Allow overriding the default timeout value (200ms) from devicetree,
using the generic i2c-transfer-timeout-us property.
The i2c_adapter->timeout field is an unaccurate jiffies amount;
i2c-nomadik uses hrtimers for timeouts below one jiffy.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
---
drivers/i2c/busses/i2c-nomadik.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index 020beb8ffa17f..2e738b18677e3 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -975,6 +975,8 @@ static const struct i2c_algorithm nmk_i2c_algo = {
static void nmk_i2c_of_probe(struct device_node *np,
struct nmk_i2c_dev *priv)
{
+ u32 timeout_usecs;
+
/* Default to 100 kHz if no frequency is given in the node */
if (of_property_read_u32(np, "clock-frequency", &priv->clk_freq))
priv->clk_freq = I2C_MAX_STANDARD_MODE_FREQ;
@@ -986,7 +988,12 @@ static void nmk_i2c_of_probe(struct device_node *np,
priv->sm = I2C_FREQ_MODE_FAST;
priv->tft = 1; /* Tx FIFO threshold */
priv->rft = 8; /* Rx FIFO threshold */
- priv->timeout_usecs = 200 * USEC_PER_MSEC; /* Slave response timeout */
+
+ /* Slave response timeout */
+ if (!of_property_read_u32(np, "i2c-transfer-timeout-us", &timeout_usecs))
+ priv->timeout_usecs = timeout_usecs;
+ else
+ priv->timeout_usecs = 200 * USEC_PER_MSEC;
}
static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
--
GitLab
From 7d4c57abb9284030dc58ffac4fb76eb12d3d947c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20Lebrun?= <theo.lebrun@bootlin.com>
Date: Wed, 6 Mar 2024 18:59:28 +0100
Subject: [PATCH 1135/2686] i2c: nomadik: support Mobileye EyeQ5 I2C controller
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add compatible for the integration of the same DB8500 IP block into the
Mobileye EyeQ5 platform. Two quirks are present:
- The memory bus only supports 32-bit accesses. Avoid writeb() and
readb() by introducing helper functions that fallback to writel()
and readl().
- A register must be configured for the I2C speed mode; it is located
in a shared register region called OLB. We access that memory region
using a syscon & regmap that gets passed as a phandle (mobileye,olb).
A two-bit enum per controller is written into the register; that
requires us to know the global index of the I2C controller (cell arg
to the mobileye,olb phandle).
We add #include <linux/mfd/syscon.h> and <linux/regmap.h>.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
---
drivers/i2c/busses/i2c-nomadik.c | 90 ++++++++++++++++++++++++++++++--
1 file changed, 86 insertions(+), 4 deletions(-)
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index 2e738b18677e3..0c2b1cbfad0a5 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -6,6 +6,12 @@
* I2C master mode controller driver, used in Nomadik 8815
* and Ux500 platforms.
*
+ * The Mobileye EyeQ5 platform is also supported; it uses
+ * the same Ux500/DB8500 IP block with two quirks:
+ * - The memory bus only supports 32-bit accesses.
+ * - A register must be configured for the I2C speed mode;
+ * it is located in a shared register region called OLB.
+ *
* Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
* Author: Sachin Verma <sachin.verma@st.com>
*/
@@ -22,6 +28,8 @@
#include <linux/pm_runtime.h>
#include <linux/of.h>
#include <linux/pinctrl/consumer.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#define DRIVER_NAME "nmk-i2c"
@@ -110,6 +118,15 @@ enum i2c_freq_mode {
I2C_FREQ_MODE_FAST_PLUS, /* up to 1 Mb/s */
};
+/* Mobileye EyeQ5 offset into a shared register region (called OLB) */
+#define NMK_I2C_EYEQ5_OLB_IOCR2 0x0B8
+
+enum i2c_eyeq5_speed {
+ I2C_EYEQ5_SPEED_FAST,
+ I2C_EYEQ5_SPEED_FAST_PLUS,
+ I2C_EYEQ5_SPEED_HIGH_SPEED,
+};
+
/**
* struct i2c_vendor_data - per-vendor variations
* @has_mtdws: variant has the MTDWS bit
@@ -174,6 +191,7 @@ struct i2c_nmk_client {
* @xfer_wq: xfer done wait queue.
* @xfer_done: xfer done boolean.
* @result: controller propogated result.
+ * @has_32b_bus: controller is on a bus that only supports 32-bit accesses.
*/
struct nmk_i2c_dev {
struct i2c_vendor_data *vendor;
@@ -192,6 +210,7 @@ struct nmk_i2c_dev {
struct wait_queue_head xfer_wq;
bool xfer_done;
int result;
+ bool has_32b_bus;
};
/* controller's abort causes */
@@ -215,6 +234,24 @@ static inline void i2c_clr_bit(void __iomem *reg, u32 mask)
writel(readl(reg) & ~mask, reg);
}
+static inline u8 nmk_i2c_readb(const struct nmk_i2c_dev *priv,
+ unsigned long reg)
+{
+ if (priv->has_32b_bus)
+ return readl(priv->virtbase + reg);
+ else
+ return readb(priv->virtbase + reg);
+}
+
+static inline void nmk_i2c_writeb(const struct nmk_i2c_dev *priv, u32 val,
+ unsigned long reg)
+{
+ if (priv->has_32b_bus)
+ writel(val, priv->virtbase + reg);
+ else
+ writeb(val, priv->virtbase + reg);
+}
+
/**
* flush_i2c_fifo() - This function flushes the I2C FIFO
* @priv: private data of I2C Driver
@@ -523,7 +560,7 @@ static void fill_tx_fifo(struct nmk_i2c_dev *priv, int no_bytes)
(priv->cli.count != 0);
count--) {
/* write to the Tx FIFO */
- writeb(*priv->cli.buffer, priv->virtbase + I2C_TFR);
+ nmk_i2c_writeb(priv, *priv->cli.buffer, I2C_TFR);
priv->cli.buffer++;
priv->cli.count--;
priv->cli.xfer_bytes++;
@@ -792,7 +829,7 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
case I2C_IT_RXFNF:
for (count = rft; count > 0; count--) {
/* Read the Rx FIFO */
- *priv->cli.buffer = readb(priv->virtbase + I2C_RFR);
+ *priv->cli.buffer = nmk_i2c_readb(priv, I2C_RFR);
priv->cli.buffer++;
}
priv->cli.count -= rft;
@@ -802,7 +839,7 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
/* Rx FIFO full */
case I2C_IT_RXFF:
for (count = MAX_I2C_FIFO_THRESHOLD; count > 0; count--) {
- *priv->cli.buffer = readb(priv->virtbase + I2C_RFR);
+ *priv->cli.buffer = nmk_i2c_readb(priv, I2C_RFR);
priv->cli.buffer++;
}
priv->cli.count -= MAX_I2C_FIFO_THRESHOLD;
@@ -818,7 +855,7 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
if (priv->cli.count == 0)
break;
*priv->cli.buffer =
- readb(priv->virtbase + I2C_RFR);
+ nmk_i2c_readb(priv, I2C_RFR);
priv->cli.buffer++;
priv->cli.count--;
priv->cli.xfer_bytes++;
@@ -996,6 +1033,44 @@ static void nmk_i2c_of_probe(struct device_node *np,
priv->timeout_usecs = 200 * USEC_PER_MSEC;
}
+static const unsigned int nmk_i2c_eyeq5_masks[] = {
+ GENMASK(5, 4),
+ GENMASK(7, 6),
+ GENMASK(9, 8),
+ GENMASK(11, 10),
+ GENMASK(13, 12),
+};
+
+static int nmk_i2c_eyeq5_probe(struct nmk_i2c_dev *priv)
+{
+ struct device *dev = &priv->adev->dev;
+ struct device_node *np = dev->of_node;
+ unsigned int mask, speed_mode;
+ struct regmap *olb;
+ unsigned int id;
+
+ priv->has_32b_bus = true;
+
+ olb = syscon_regmap_lookup_by_phandle_args(np, "mobileye,olb", 1, &id);
+ if (IS_ERR(olb))
+ return PTR_ERR(olb);
+ if (id >= ARRAY_SIZE(nmk_i2c_eyeq5_masks))
+ return -ENOENT;
+
+ if (priv->clk_freq <= 400000)
+ speed_mode = I2C_EYEQ5_SPEED_FAST;
+ else if (priv->clk_freq <= 1000000)
+ speed_mode = I2C_EYEQ5_SPEED_FAST_PLUS;
+ else
+ speed_mode = I2C_EYEQ5_SPEED_HIGH_SPEED;
+
+ mask = nmk_i2c_eyeq5_masks[id];
+ regmap_update_bits(olb, NMK_I2C_EYEQ5_OLB_IOCR2,
+ mask, speed_mode << __fls(mask));
+
+ return 0;
+}
+
static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
{
int ret = 0;
@@ -1012,8 +1087,15 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
priv->vendor = vendor;
priv->adev = adev;
+ priv->has_32b_bus = false;
nmk_i2c_of_probe(np, priv);
+ if (of_device_is_compatible(np, "mobileye,eyeq5-i2c")) {
+ ret = nmk_i2c_eyeq5_probe(priv);
+ if (ret)
+ return dev_err_probe(dev, ret, "failed OLB lookup\n");
+ }
+
if (priv->tft > max_fifo_threshold) {
dev_warn(dev, "requested TX FIFO threshold %u, adjusted down to %u\n",
priv->tft, max_fifo_threshold);
--
GitLab
From bb271301b80410592cbe0170b9f6d2f677f68171 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20Lebrun?= <theo.lebrun@bootlin.com>
Date: Wed, 6 Mar 2024 18:59:29 +0100
Subject: [PATCH 1136/2686] i2c: nomadik: sort includes
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Sort #include statements in i2c-nomadik driver.
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
---
drivers/i2c/busses/i2c-nomadik.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index 0c2b1cbfad0a5..4f41a3c7824d0 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -15,21 +15,21 @@
* Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
* Author: Sachin Verma <sachin.verma@st.com>
*/
+#include <linux/amba/bus.h>
#include <linux/bitfield.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/amba/bus.h>
-#include <linux/slab.h>
#include <linux/interrupt.h>
-#include <linux/i2c.h>
-#include <linux/err.h>
-#include <linux/clk.h>
#include <linux/io.h>
-#include <linux/pm_runtime.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
#include <linux/of.h>
#include <linux/pinctrl/consumer.h>
-#include <linux/mfd/syscon.h>
+#include <linux/pm_runtime.h>
#include <linux/regmap.h>
+#include <linux/slab.h>
#define DRIVER_NAME "nmk-i2c"
--
GitLab
From fb13b11d53875e28e7fbf0c26b288e4ea676aa9f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20R=C3=B6sti?= <an.roesti@gmail.com>
Date: Mon, 11 Mar 2024 21:17:04 +0000
Subject: [PATCH 1137/2686] entry: Respect changes to system call number by
trace_sys_enter()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
When a probe is registered at the trace_sys_enter() tracepoint, and that
probe changes the system call number, the old system call still gets
executed. This worked correctly until commit b6ec41346103 ("core/entry:
Report syscall correctly for trace and audit"), which removed the
re-evaluation of the syscall number after the trace point.
Restore the original semantics by re-evaluating the system call number
after trace_sys_enter().
The performance impact of this re-evaluation is minimal because it only
takes place when a trace point is active, and compared to the actual trace
point overhead the read from a cache hot variable is negligible.
Fixes: b6ec41346103 ("core/entry: Report syscall correctly for trace and audit")
Signed-off-by: André Rösti <an.roesti@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240311211704.7262-1-an.roesti@gmail.com
---
kernel/entry/common.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/kernel/entry/common.c b/kernel/entry/common.c
index 88cb3c88aaa5c..90843cc385880 100644
--- a/kernel/entry/common.c
+++ b/kernel/entry/common.c
@@ -57,8 +57,14 @@ long syscall_trace_enter(struct pt_regs *regs, long syscall,
/* Either of the above might have changed the syscall number */
syscall = syscall_get_nr(current, regs);
- if (unlikely(work & SYSCALL_WORK_SYSCALL_TRACEPOINT))
+ if (unlikely(work & SYSCALL_WORK_SYSCALL_TRACEPOINT)) {
trace_sys_enter(regs, syscall);
+ /*
+ * Probes or BPF hooks in the tracepoint may have changed the
+ * system call number as well.
+ */
+ syscall = syscall_get_nr(current, regs);
+ }
syscall_enter_audit(regs, syscall);
--
GitLab
From 10eb0d3314c59dd0497282b33afabddf607b3050 Mon Sep 17 00:00:00 2001
From: Rob Herring <robh@kernel.org>
Date: Mon, 11 Mar 2024 16:25:53 -0600
Subject: [PATCH 1138/2686] ASoC: dt-bindings: cirrus,cs42l43: Fix
'gpio-ranges' schema
'gpio-ranges' is a phandle-array which is really a matrix. The schema in
cirrus,cs42l43 is incomplete as it doesn't define there's only a single
entry. Add the outer array constraints that there is a single entry.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://msgid.link/r/20240311222554.1940567-1-robh@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
---
.../devicetree/bindings/sound/cirrus,cs42l43.yaml | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs42l43.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs42l43.yaml
index 7f9d8c7a635a6..99a536601cc7e 100644
--- a/Documentation/devicetree/bindings/sound/cirrus,cs42l43.yaml
+++ b/Documentation/devicetree/bindings/sound/cirrus,cs42l43.yaml
@@ -185,11 +185,12 @@ properties:
gpio-ranges:
items:
- - description: A phandle to the CODEC pinctrl node
- minimum: 0
- - const: 0
- - const: 0
- - const: 3
+ - items:
+ - description: A phandle to the CODEC pinctrl node
+ minimum: 0
+ - const: 0
+ - const: 0
+ - const: 3
patternProperties:
"-state$":
--
GitLab
From e4ead3cdfd798092288f3a06b405cf98ded6fa10 Mon Sep 17 00:00:00 2001
From: Kory Maincent <kory.maincent@bootlin.com>
Date: Tue, 12 Mar 2024 10:16:38 +0100
Subject: [PATCH 1139/2686] regulator: core: Propagate the regulator state in
case of exclusive get
Previously, performing an exclusive get on an already-enabled regulator
resulted in inconsistent state initialization between child and parent
regulators. While the child's counts were updated, its parent's counters
remained unaffected.
Consequently, attempting to disable an already-enabled exclusive regulator
triggered unbalanced disables warnings from its parent regulator.
This commit addresses the issue by propagating the enable state to the
parent regulator using a regulator_enable call. This ensures consistent
state management across the regulator hierarchy, preventing warnings!
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://msgid.link/r/20240312091638.1266167-1-kory.maincent@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/regulator/core.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index d019ca6dee9bf..dabac9772741f 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2274,6 +2274,17 @@ struct regulator *_regulator_get(struct device *dev, const char *id,
if (ret > 0) {
rdev->use_count = 1;
regulator->enable_count = 1;
+
+ /* Propagate the regulator state to its supply */
+ if (rdev->supply) {
+ ret = regulator_enable(rdev->supply);
+ if (ret < 0) {
+ destroy_regulator(regulator);
+ module_put(rdev->owner);
+ put_device(&rdev->dev);
+ return ERR_PTR(ret);
+ }
+ }
} else {
rdev->use_count = 0;
regulator->enable_count = 0;
--
GitLab
From 2ae0ab0143fcc06190713ed81a6486ed0ad3c861 Mon Sep 17 00:00:00 2001
From: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Date: Tue, 12 Mar 2024 12:20:48 +0100
Subject: [PATCH 1140/2686] spi: lpspi: Avoid potential use-after-free in
probe()
fsl_lpspi_probe() is allocating/disposing memory manually with
spi_alloc_host()/spi_alloc_target(), but uses
devm_spi_register_controller(). In case of error after the latter call the
memory will be explicitly freed in the probe function by
spi_controller_put() call, but used afterwards by "devm" management outside
probe() (spi_unregister_controller() <- devm_spi_unregister() below).
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000070
...
Call trace:
kernfs_find_ns
kernfs_find_and_get_ns
sysfs_remove_group
sysfs_remove_groups
device_remove_attrs
device_del
spi_unregister_controller
devm_spi_unregister
release_nodes
devres_release_all
really_probe
driver_probe_device
__device_attach_driver
bus_for_each_drv
__device_attach
device_initial_probe
bus_probe_device
deferred_probe_work_func
process_one_work
worker_thread
kthread
ret_from_fork
Fixes: 5314987de5e5 ("spi: imx: add lpspi bus driver")
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Link: https://msgid.link/r/20240312112050.2503643-1-alexander.sverdlin@siemens.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-fsl-lpspi.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c
index 11991eb126364..079035db7dd85 100644
--- a/drivers/spi/spi-fsl-lpspi.c
+++ b/drivers/spi/spi-fsl-lpspi.c
@@ -830,11 +830,11 @@ static int fsl_lpspi_probe(struct platform_device *pdev)
is_target = of_property_read_bool((&pdev->dev)->of_node, "spi-slave");
if (is_target)
- controller = spi_alloc_target(&pdev->dev,
- sizeof(struct fsl_lpspi_data));
+ controller = devm_spi_alloc_target(&pdev->dev,
+ sizeof(struct fsl_lpspi_data));
else
- controller = spi_alloc_host(&pdev->dev,
- sizeof(struct fsl_lpspi_data));
+ controller = devm_spi_alloc_host(&pdev->dev,
+ sizeof(struct fsl_lpspi_data));
if (!controller)
return -ENOMEM;
--
GitLab
From aa0162dc0dd95c3bf248e3c78068760094e8f64b Mon Sep 17 00:00:00 2001
From: Janne Grunau <j@jannau.net>
Date: Mon, 11 Mar 2024 23:53:17 +0100
Subject: [PATCH 1141/2686] spi: Restore delays for non-GPIO chip select
SPI controller with integrated chip select handling still need to adhere
to SPI device's CS setup, hold and inactive delays. For controller
without set_cs_timing spi core shall handle the delays to avoid
duplicated delay handling in each controller driver.
Fixes a regression for the out of tree SPI controller and SPI HID
transport on Apple M1/M1 Pro/Max notebooks.
Fixes: 4d8ff6b0991d ("spi: Add multi-cs memories support in SPI core")
Signed-off-by: Janne Grunau <j@jannau.net>
Link: https://msgid.link/r/20240311-spi-cs-delays-regression-v1-1-0075020a90b2@jannau.net
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi.c | 24 ++++++++++++++----------
1 file changed, 14 insertions(+), 10 deletions(-)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index f18738ae95f8f..ff75838c1b5df 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1063,10 +1063,14 @@ static void spi_set_cs(struct spi_device *spi, bool enable, bool force)
if (spi->mode & SPI_CS_HIGH)
enable = !enable;
- if (spi_is_csgpiod(spi)) {
- if (!spi->controller->set_cs_timing && !activate)
- spi_delay_exec(&spi->cs_hold, NULL);
+ /*
+ * Handle chip select delays for GPIO based CS or controllers without
+ * programmable chip select timing.
+ */
+ if ((spi_is_csgpiod(spi) || !spi->controller->set_cs_timing) && !activate)
+ spi_delay_exec(&spi->cs_hold, NULL);
+ if (spi_is_csgpiod(spi)) {
if (!(spi->mode & SPI_NO_CS)) {
/*
* Historically ACPI has no means of the GPIO polarity and
@@ -1099,16 +1103,16 @@ static void spi_set_cs(struct spi_device *spi, bool enable, bool force)
if ((spi->controller->flags & SPI_CONTROLLER_GPIO_SS) &&
spi->controller->set_cs)
spi->controller->set_cs(spi, !enable);
-
- if (!spi->controller->set_cs_timing) {
- if (activate)
- spi_delay_exec(&spi->cs_setup, NULL);
- else
- spi_delay_exec(&spi->cs_inactive, NULL);
- }
} else if (spi->controller->set_cs) {
spi->controller->set_cs(spi, !enable);
}
+
+ if (spi_is_csgpiod(spi) || !spi->controller->set_cs_timing) {
+ if (activate)
+ spi_delay_exec(&spi->cs_setup, NULL);
+ else
+ spi_delay_exec(&spi->cs_inactive, NULL);
+ }
}
#ifdef CONFIG_HAS_DMA
--
GitLab
From be5e8872b3fbc74b4a58a7e6a7e9fb7e8509eaf8 Mon Sep 17 00:00:00 2001
From: Yu Chien Peter Lin <peterlin@andestech.com>
Date: Thu, 22 Feb 2024 16:39:37 +0800
Subject: [PATCH 1142/2686] riscv: errata: Rename defines for Andes
Use "ANDES" rather than "ANDESTECH" to unify the naming
convention with directory, file names, Kconfig options
and other definitions.
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Charles Ci-Jyun Wu <dminus@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20240222083946.3977135-2-peterlin@andestech.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/errata/andes/errata.c | 10 +++++-----
arch/riscv/include/asm/errata_list.h | 4 ++--
arch/riscv/include/asm/vendorid_list.h | 2 +-
arch/riscv/kernel/alternative.c | 2 +-
4 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/arch/riscv/errata/andes/errata.c b/arch/riscv/errata/andes/errata.c
index 17a9048697246..f2708a9494a10 100644
--- a/arch/riscv/errata/andes/errata.c
+++ b/arch/riscv/errata/andes/errata.c
@@ -18,9 +18,9 @@
#include <asm/sbi.h>
#include <asm/vendorid_list.h>
-#define ANDESTECH_AX45MP_MARCHID 0x8000000000008a45UL
-#define ANDESTECH_AX45MP_MIMPID 0x500UL
-#define ANDESTECH_SBI_EXT_ANDES 0x0900031E
+#define ANDES_AX45MP_MARCHID 0x8000000000008a45UL
+#define ANDES_AX45MP_MIMPID 0x500UL
+#define ANDES_SBI_EXT_ANDES 0x0900031E
#define ANDES_SBI_EXT_IOCP_SW_WORKAROUND 1
@@ -32,7 +32,7 @@ static long ax45mp_iocp_sw_workaround(void)
* ANDES_SBI_EXT_IOCP_SW_WORKAROUND SBI EXT checks if the IOCP is missing and
* cache is controllable only then CMO will be applied to the platform.
*/
- ret = sbi_ecall(ANDESTECH_SBI_EXT_ANDES, ANDES_SBI_EXT_IOCP_SW_WORKAROUND,
+ ret = sbi_ecall(ANDES_SBI_EXT_ANDES, ANDES_SBI_EXT_IOCP_SW_WORKAROUND,
0, 0, 0, 0, 0, 0);
return ret.error ? 0 : ret.value;
@@ -50,7 +50,7 @@ static void errata_probe_iocp(unsigned int stage, unsigned long arch_id, unsigne
done = true;
- if (arch_id != ANDESTECH_AX45MP_MARCHID || impid != ANDESTECH_AX45MP_MIMPID)
+ if (arch_id != ANDES_AX45MP_MARCHID || impid != ANDES_AX45MP_MIMPID)
return;
if (!ax45mp_iocp_sw_workaround())
diff --git a/arch/riscv/include/asm/errata_list.h b/arch/riscv/include/asm/errata_list.h
index ea33288f8a25b..96025eec56313 100644
--- a/arch/riscv/include/asm/errata_list.h
+++ b/arch/riscv/include/asm/errata_list.h
@@ -12,8 +12,8 @@
#include <asm/vendorid_list.h>
#ifdef CONFIG_ERRATA_ANDES
-#define ERRATA_ANDESTECH_NO_IOCP 0
-#define ERRATA_ANDESTECH_NUMBER 1
+#define ERRATA_ANDES_NO_IOCP 0
+#define ERRATA_ANDES_NUMBER 1
#endif
#ifdef CONFIG_ERRATA_SIFIVE
diff --git a/arch/riscv/include/asm/vendorid_list.h b/arch/riscv/include/asm/vendorid_list.h
index e55407ace0c36..2f2bb0c84f9a7 100644
--- a/arch/riscv/include/asm/vendorid_list.h
+++ b/arch/riscv/include/asm/vendorid_list.h
@@ -5,7 +5,7 @@
#ifndef ASM_VENDOR_LIST_H
#define ASM_VENDOR_LIST_H
-#define ANDESTECH_VENDOR_ID 0x31e
+#define ANDES_VENDOR_ID 0x31e
#define SIFIVE_VENDOR_ID 0x489
#define THEAD_VENDOR_ID 0x5b7
diff --git a/arch/riscv/kernel/alternative.c b/arch/riscv/kernel/alternative.c
index 319a1da0358b4..0128b161bfdab 100644
--- a/arch/riscv/kernel/alternative.c
+++ b/arch/riscv/kernel/alternative.c
@@ -43,7 +43,7 @@ static void riscv_fill_cpu_mfr_info(struct cpu_manufacturer_info_t *cpu_mfr_info
switch (cpu_mfr_info->vendor_id) {
#ifdef CONFIG_ERRATA_ANDES
- case ANDESTECH_VENDOR_ID:
+ case ANDES_VENDOR_ID:
cpu_mfr_info->patch_func = andes_errata_patch_func;
break;
#endif
--
GitLab
From b88727d554f0fb826e0608192f59542497ba19c5 Mon Sep 17 00:00:00 2001
From: Yu Chien Peter Lin <peterlin@andestech.com>
Date: Thu, 22 Feb 2024 16:39:40 +0800
Subject: [PATCH 1143/2686] dt-bindings: riscv: Add Andes interrupt controller
compatible string
Add "andestech,cpu-intc" compatible string to indicate that
Andes specific local interrupt is supported on the core,
e.g. AX45MP cores have 3 types of non-standard local interrupt
which can be handled in supervisor mode:
- Slave port ECC error interrupt
- Bus write transaction error interrupt
- Performance monitor overflow interrupt
These interrupts are enabled/disabled via a custom register
SLIE instead of the standard interrupt enable register SIE.
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20240222083946.3977135-5-peterlin@andestech.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
Documentation/devicetree/bindings/riscv/cpus.yaml | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
index 9d8670c00e3b3..6ccd75cbbc59d 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -106,7 +106,11 @@ properties:
const: 1
compatible:
- const: riscv,cpu-intc
+ oneOf:
+ - items:
+ - const: andestech,cpu-intc
+ - const: riscv,cpu-intc
+ - const: riscv,cpu-intc
interrupt-controller: true
--
GitLab
From 95113bb705157f3518cec4ff0225a922507a0f8b Mon Sep 17 00:00:00 2001
From: Yu Chien Peter Lin <peterlin@andestech.com>
Date: Thu, 22 Feb 2024 16:39:41 +0800
Subject: [PATCH 1144/2686] riscv: dts: renesas: r9a07g043f: Update compatible
string to use Andes INTC
The Andes hart-level interrupt controller (Andes INTC) allows AX45MP
cores to handle custom local interrupts, such as the performance
counter overflow interrupt.
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240222083946.3977135-6-peterlin@andestech.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/boot/dts/renesas/r9a07g043f.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
index a92cfcfc021b4..099f3df75b423 100644
--- a/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
+++ b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
@@ -39,7 +39,7 @@ cpu0: cpu@0 {
cpu0_intc: interrupt-controller {
#interrupt-cells = <1>;
- compatible = "riscv,cpu-intc";
+ compatible = "andestech,cpu-intc", "riscv,cpu-intc";
interrupt-controller;
};
};
--
GitLab
From ea0e0178e101c8d4662a0db7424df057b88e2712 Mon Sep 17 00:00:00 2001
From: Yu Chien Peter Lin <peterlin@andestech.com>
Date: Thu, 22 Feb 2024 16:39:42 +0800
Subject: [PATCH 1145/2686] perf: RISC-V: Eliminate redundant interrupt
enable/disable operations
The interrupt enable/disable operations are already performed by the
IRQ chip functions riscv_intc_irq_unmask()/riscv_intc_irq_mask() during
enable_percpu_irq()/disable_percpu_irq(). It can be done only once.
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20240222083946.3977135-7-peterlin@andestech.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
drivers/perf/riscv_pmu_sbi.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/perf/riscv_pmu_sbi.c b/drivers/perf/riscv_pmu_sbi.c
index 16acd4dcdb96c..2edbc37abadfc 100644
--- a/drivers/perf/riscv_pmu_sbi.c
+++ b/drivers/perf/riscv_pmu_sbi.c
@@ -781,7 +781,6 @@ static int pmu_sbi_starting_cpu(unsigned int cpu, struct hlist_node *node)
if (riscv_pmu_use_irq) {
cpu_hw_evt->irq = riscv_pmu_irq;
csr_clear(CSR_IP, BIT(riscv_pmu_irq_num));
- csr_set(CSR_IE, BIT(riscv_pmu_irq_num));
enable_percpu_irq(riscv_pmu_irq, IRQ_TYPE_NONE);
}
@@ -792,7 +791,6 @@ static int pmu_sbi_dying_cpu(unsigned int cpu, struct hlist_node *node)
{
if (riscv_pmu_use_irq) {
disable_percpu_irq(riscv_pmu_irq);
- csr_clear(CSR_IE, BIT(riscv_pmu_irq_num));
}
/* Disable all counters access for user mode now */
--
GitLab
From bc969d6cc96a2d0539576ec639f7a2a7dcf757f8 Mon Sep 17 00:00:00 2001
From: Yu Chien Peter Lin <peterlin@andestech.com>
Date: Thu, 22 Feb 2024 16:39:43 +0800
Subject: [PATCH 1146/2686] perf: RISC-V: Introduce Andes PMU to support perf
event sampling
Assign riscv_pmu_irq_num the value of (256 + 18) for the custome PMU
and add SSCOUNTOVF and SIP alternatives to ALT_SBI_PMU_OVERFLOW()
and ALT_SBI_PMU_OVF_CLEAR_PENDING() macros, respectively.
To make use of Andes PMU extension, "xandespmu" needs to be appended
to the riscv,isa-extensions for each cpu node in device-tree, and
make sure CONFIG_ANDES_CUSTOM_PMU is enabled.
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Charles Ci-Jyun Wu <dminus@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Co-developed-by: Locus Wei-Han Chen <locus84@andestech.com>
Signed-off-by: Locus Wei-Han Chen <locus84@andestech.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20240222083946.3977135-8-peterlin@andestech.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/errata_list.h | 9 -------
arch/riscv/include/asm/hwcap.h | 1 +
arch/riscv/kernel/cpufeature.c | 1 +
drivers/perf/Kconfig | 14 +++++++++++
drivers/perf/riscv_pmu_sbi.c | 35 +++++++++++++++++++++++++---
5 files changed, 48 insertions(+), 12 deletions(-)
diff --git a/arch/riscv/include/asm/errata_list.h b/arch/riscv/include/asm/errata_list.h
index 96025eec56313..1f2dbfb8a8bfc 100644
--- a/arch/riscv/include/asm/errata_list.h
+++ b/arch/riscv/include/asm/errata_list.h
@@ -112,15 +112,6 @@ asm volatile(ALTERNATIVE( \
#define THEAD_C9XX_RV_IRQ_PMU 17
#define THEAD_C9XX_CSR_SCOUNTEROF 0x5c5
-#define ALT_SBI_PMU_OVERFLOW(__ovl) \
-asm volatile(ALTERNATIVE( \
- "csrr %0, " __stringify(CSR_SSCOUNTOVF), \
- "csrr %0, " __stringify(THEAD_C9XX_CSR_SCOUNTEROF), \
- THEAD_VENDOR_ID, ERRATA_THEAD_PMU, \
- CONFIG_ERRATA_THEAD_PMU) \
- : "=r" (__ovl) : \
- : "memory")
-
#endif /* __ASSEMBLY__ */
#endif
diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h
index 5340f818746b7..bae7eac76c180 100644
--- a/arch/riscv/include/asm/hwcap.h
+++ b/arch/riscv/include/asm/hwcap.h
@@ -80,6 +80,7 @@
#define RISCV_ISA_EXT_ZFA 71
#define RISCV_ISA_EXT_ZTSO 72
#define RISCV_ISA_EXT_ZACAS 73
+#define RISCV_ISA_EXT_XANDESPMU 74
#define RISCV_ISA_EXT_MAX 128
#define RISCV_ISA_EXT_INVALID U32_MAX
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 89920f84d0a34..0c7688fa83766 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -307,6 +307,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
__RISCV_ISA_EXT_DATA(svinval, RISCV_ISA_EXT_SVINVAL),
__RISCV_ISA_EXT_DATA(svnapot, RISCV_ISA_EXT_SVNAPOT),
__RISCV_ISA_EXT_DATA(svpbmt, RISCV_ISA_EXT_SVPBMT),
+ __RISCV_ISA_EXT_DATA(xandespmu, RISCV_ISA_EXT_XANDESPMU),
};
const size_t riscv_isa_ext_count = ARRAY_SIZE(riscv_isa_ext);
diff --git a/drivers/perf/Kconfig b/drivers/perf/Kconfig
index ec6e0d9194a1c..564e813d8c69b 100644
--- a/drivers/perf/Kconfig
+++ b/drivers/perf/Kconfig
@@ -86,6 +86,20 @@ config RISCV_PMU_SBI
full perf feature support i.e. counter overflow, privilege mode
filtering, counter configuration.
+config ANDES_CUSTOM_PMU
+ bool "Andes custom PMU support"
+ depends on ARCH_RENESAS && RISCV_ALTERNATIVE && RISCV_PMU_SBI
+ default y
+ help
+ The Andes cores implement the PMU overflow extension very
+ similar to the standard Sscofpmf and Smcntrpmf extension.
+
+ This will patch the overflow and pending CSRs and handle the
+ non-standard behaviour via the regular SBI PMU driver and
+ interface.
+
+ If you don't know what to do here, say "Y".
+
config ARM_PMU_ACPI
depends on ARM_PMU && ACPI
def_bool y
diff --git a/drivers/perf/riscv_pmu_sbi.c b/drivers/perf/riscv_pmu_sbi.c
index 2edbc37abadfc..bbd6fe021b3a9 100644
--- a/drivers/perf/riscv_pmu_sbi.c
+++ b/drivers/perf/riscv_pmu_sbi.c
@@ -19,11 +19,33 @@
#include <linux/of.h>
#include <linux/cpu_pm.h>
#include <linux/sched/clock.h>
+#include <linux/soc/andes/irq.h>
#include <asm/errata_list.h>
#include <asm/sbi.h>
#include <asm/cpufeature.h>
+#define ALT_SBI_PMU_OVERFLOW(__ovl) \
+asm volatile(ALTERNATIVE_2( \
+ "csrr %0, " __stringify(CSR_SSCOUNTOVF), \
+ "csrr %0, " __stringify(THEAD_C9XX_CSR_SCOUNTEROF), \
+ THEAD_VENDOR_ID, ERRATA_THEAD_PMU, \
+ CONFIG_ERRATA_THEAD_PMU, \
+ "csrr %0, " __stringify(ANDES_CSR_SCOUNTEROF), \
+ 0, RISCV_ISA_EXT_XANDESPMU, \
+ CONFIG_ANDES_CUSTOM_PMU) \
+ : "=r" (__ovl) : \
+ : "memory")
+
+#define ALT_SBI_PMU_OVF_CLEAR_PENDING(__irq_mask) \
+asm volatile(ALTERNATIVE( \
+ "csrc " __stringify(CSR_IP) ", %0\n\t", \
+ "csrc " __stringify(ANDES_CSR_SLIP) ", %0\n\t", \
+ 0, RISCV_ISA_EXT_XANDESPMU, \
+ CONFIG_ANDES_CUSTOM_PMU) \
+ : : "r"(__irq_mask) \
+ : "memory")
+
#define SYSCTL_NO_USER_ACCESS 0
#define SYSCTL_USER_ACCESS 1
#define SYSCTL_LEGACY 2
@@ -61,6 +83,7 @@ static int sysctl_perf_user_access __read_mostly = SYSCTL_USER_ACCESS;
static union sbi_pmu_ctr_info *pmu_ctr_list;
static bool riscv_pmu_use_irq;
static unsigned int riscv_pmu_irq_num;
+static unsigned int riscv_pmu_irq_mask;
static unsigned int riscv_pmu_irq;
/* Cache the available counters in a bitmask */
@@ -694,7 +717,7 @@ static irqreturn_t pmu_sbi_ovf_handler(int irq, void *dev)
event = cpu_hw_evt->events[fidx];
if (!event) {
- csr_clear(CSR_SIP, BIT(riscv_pmu_irq_num));
+ ALT_SBI_PMU_OVF_CLEAR_PENDING(riscv_pmu_irq_mask);
return IRQ_NONE;
}
@@ -708,7 +731,7 @@ static irqreturn_t pmu_sbi_ovf_handler(int irq, void *dev)
* Overflow interrupt pending bit should only be cleared after stopping
* all the counters to avoid any race condition.
*/
- csr_clear(CSR_SIP, BIT(riscv_pmu_irq_num));
+ ALT_SBI_PMU_OVF_CLEAR_PENDING(riscv_pmu_irq_mask);
/* No overflow bit is set */
if (!overflow)
@@ -780,7 +803,7 @@ static int pmu_sbi_starting_cpu(unsigned int cpu, struct hlist_node *node)
if (riscv_pmu_use_irq) {
cpu_hw_evt->irq = riscv_pmu_irq;
- csr_clear(CSR_IP, BIT(riscv_pmu_irq_num));
+ ALT_SBI_PMU_OVF_CLEAR_PENDING(riscv_pmu_irq_mask);
enable_percpu_irq(riscv_pmu_irq, IRQ_TYPE_NONE);
}
@@ -814,8 +837,14 @@ static int pmu_sbi_setup_irqs(struct riscv_pmu *pmu, struct platform_device *pde
riscv_cached_mimpid(0) == 0) {
riscv_pmu_irq_num = THEAD_C9XX_RV_IRQ_PMU;
riscv_pmu_use_irq = true;
+ } else if (riscv_isa_extension_available(NULL, XANDESPMU) &&
+ IS_ENABLED(CONFIG_ANDES_CUSTOM_PMU)) {
+ riscv_pmu_irq_num = ANDES_SLI_CAUSE_BASE + ANDES_RV_IRQ_PMOVI;
+ riscv_pmu_use_irq = true;
}
+ riscv_pmu_irq_mask = BIT(riscv_pmu_irq_num % BITS_PER_LONG);
+
if (!riscv_pmu_use_irq)
return -EOPNOTSUPP;
--
GitLab
From 61609bf2b29dcb07de3aaad7d6212cc3c341192b Mon Sep 17 00:00:00 2001
From: Yu Chien Peter Lin <peterlin@andestech.com>
Date: Thu, 22 Feb 2024 16:39:44 +0800
Subject: [PATCH 1147/2686] dt-bindings: riscv: Add Andes PMU extension
description
Document the ISA string for Andes Technology performance monitor
extension which provides counter overflow interrupt and mode
filtering mechanisms.
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20240222083946.3977135-9-peterlin@andestech.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
Documentation/devicetree/bindings/riscv/extensions.yaml | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 63d81dc895e5c..468c646247aa5 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -477,5 +477,12 @@ properties:
latency, as ratified in commit 56ed795 ("Update
riscv-crypto-spec-vector.adoc") of riscv-crypto.
+ - const: xandespmu
+ description:
+ The Andes Technology performance monitor extension for counter overflow
+ and privilege mode filtering. For more details, see Counter Related
+ Registers in the AX45MP datasheet.
+ https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf
+
additionalProperties: true
...
--
GitLab
From 270fc77e7b0e38964635c2c5d87ad354dbd2cd34 Mon Sep 17 00:00:00 2001
From: Yu Chien Peter Lin <peterlin@andestech.com>
Date: Thu, 22 Feb 2024 16:39:45 +0800
Subject: [PATCH 1148/2686] riscv: dts: renesas: Add Andes PMU extension for
r9a07g043f
xandespmu stands for Andes Performance Monitor Unit extension.
Based on the added Andes PMU ISA string, the SBI PMU driver
will make use of the non-standard irq source.
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240222083946.3977135-10-peterlin@andestech.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/boot/dts/renesas/r9a07g043f.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
index 099f3df75b423..d7a66043f13b9 100644
--- a/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
+++ b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
@@ -27,7 +27,7 @@ cpu0: cpu@0 {
riscv,isa-base = "rv64i";
riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
"zicntr", "zicsr", "zifencei",
- "zihpm";
+ "zihpm", "xandespmu";
mmu-type = "riscv,sv39";
i-cache-size = <0x8000>;
i-cache-line-size = <0x40>;
--
GitLab
From f5102e31c209798cafd2d79463f5093771aadc12 Mon Sep 17 00:00:00 2001
From: Locus Wei-Han Chen <locus84@andestech.com>
Date: Thu, 22 Feb 2024 16:39:46 +0800
Subject: [PATCH 1149/2686] riscv: andes: Support specifying symbolic firmware
and hardware raw events
Add the Andes AX45 JSON files that allows specifying symbolic event
names for the raw PMU events.
Signed-off-by: Locus Wei-Han Chen <locus84@andestech.com>
Reviewed-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Charles Ci-Jyun Wu <dminus@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Atish Patra <atishp@rivosinc.com>
Acked-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20240222083946.3977135-11-peterlin@andestech.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
.../arch/riscv/andes/ax45/firmware.json | 68 ++++++++++
.../arch/riscv/andes/ax45/instructions.json | 127 ++++++++++++++++++
.../arch/riscv/andes/ax45/memory.json | 57 ++++++++
.../arch/riscv/andes/ax45/microarch.json | 77 +++++++++++
tools/perf/pmu-events/arch/riscv/mapfile.csv | 1 +
5 files changed, 330 insertions(+)
create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json
create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/instructions.json
create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/memory.json
create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/microarch.json
diff --git a/tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json b/tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json
new file mode 100644
index 0000000000000..9b4a032186a7b
--- /dev/null
+++ b/tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json
@@ -0,0 +1,68 @@
+[
+ {
+ "ArchStdEvent": "FW_MISALIGNED_LOAD"
+ },
+ {
+ "ArchStdEvent": "FW_MISALIGNED_STORE"
+ },
+ {
+ "ArchStdEvent": "FW_ACCESS_LOAD"
+ },
+ {
+ "ArchStdEvent": "FW_ACCESS_STORE"
+ },
+ {
+ "ArchStdEvent": "FW_ILLEGAL_INSN"
+ },
+ {
+ "ArchStdEvent": "FW_SET_TIMER"
+ },
+ {
+ "ArchStdEvent": "FW_IPI_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_IPI_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_FENCE_I_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_FENCE_I_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_SFENCE_VMA_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_SFENCE_VMA_ASID_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_GVMA_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_GVMA_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_GVMA_VMID_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_GVMA_VMID_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_VVMA_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_VVMA_RECEIVED"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_VVMA_ASID_SENT"
+ },
+ {
+ "ArchStdEvent": "FW_HFENCE_VVMA_ASID_RECEIVED"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/riscv/andes/ax45/instructions.json b/tools/perf/pmu-events/arch/riscv/andes/ax45/instructions.json
new file mode 100644
index 0000000000000..713a08c1a40f8
--- /dev/null
+++ b/tools/perf/pmu-events/arch/riscv/andes/ax45/instructions.json
@@ -0,0 +1,127 @@
+[
+ {
+ "EventCode": "0x10",
+ "EventName": "cycle_count",
+ "BriefDescription": "Cycle count"
+ },
+ {
+ "EventCode": "0x20",
+ "EventName": "inst_count",
+ "BriefDescription": "Retired instruction count"
+ },
+ {
+ "EventCode": "0x30",
+ "EventName": "int_load_inst",
+ "BriefDescription": "Integer load instruction count"
+ },
+ {
+ "EventCode": "0x40",
+ "EventName": "int_store_inst",
+ "BriefDescription": "Integer store instruction count"
+ },
+ {
+ "EventCode": "0x50",
+ "EventName": "atomic_inst",
+ "BriefDescription": "Atomic instruction count"
+ },
+ {
+ "EventCode": "0x60",
+ "EventName": "sys_inst",
+ "BriefDescription": "System instruction count"
+ },
+ {
+ "EventCode": "0x70",
+ "EventName": "int_compute_inst",
+ "BriefDescription": "Integer computational instruction count"
+ },
+ {
+ "EventCode": "0x80",
+ "EventName": "condition_br",
+ "BriefDescription": "Conditional branch instruction count"
+ },
+ {
+ "EventCode": "0x90",
+ "EventName": "taken_condition_br",
+ "BriefDescription": "Taken conditional branch instruction count"
+ },
+ {
+ "EventCode": "0xA0",
+ "EventName": "jal_inst",
+ "BriefDescription": "JAL instruction count"
+ },
+ {
+ "EventCode": "0xB0",
+ "EventName": "jalr_inst",
+ "BriefDescription": "JALR instruction count"
+ },
+ {
+ "EventCode": "0xC0",
+ "EventName": "ret_inst",
+ "BriefDescription": "Return instruction count"
+ },
+ {
+ "EventCode": "0xD0",
+ "EventName": "control_trans_inst",
+ "BriefDescription": "Control transfer instruction count"
+ },
+ {
+ "EventCode": "0xE0",
+ "EventName": "ex9_inst",
+ "BriefDescription": "EXEC.IT instruction count"
+ },
+ {
+ "EventCode": "0xF0",
+ "EventName": "int_mul_inst",
+ "BriefDescription": "Integer multiplication instruction count"
+ },
+ {
+ "EventCode": "0x100",
+ "EventName": "int_div_rem_inst",
+ "BriefDescription": "Integer division/remainder instruction count"
+ },
+ {
+ "EventCode": "0x110",
+ "EventName": "float_load_inst",
+ "BriefDescription": "Floating-point load instruction count"
+ },
+ {
+ "EventCode": "0x120",
+ "EventName": "float_store_inst",
+ "BriefDescription": "Floating-point store instruction count"
+ },
+ {
+ "EventCode": "0x130",
+ "EventName": "float_add_sub_inst",
+ "BriefDescription": "Floating-point addition/subtraction instruction count"
+ },
+ {
+ "EventCode": "0x140",
+ "EventName": "float_mul_inst",
+ "BriefDescription": "Floating-point multiplication instruction count"
+ },
+ {
+ "EventCode": "0x150",
+ "EventName": "float_fused_muladd_inst",
+ "BriefDescription": "Floating-point fused multiply-add instruction count"
+ },
+ {
+ "EventCode": "0x160",
+ "EventName": "float_div_sqrt_inst",
+ "BriefDescription": "Floating-point division or square-root instruction count"
+ },
+ {
+ "EventCode": "0x170",
+ "EventName": "other_float_inst",
+ "BriefDescription": "Other floating-point instruction count"
+ },
+ {
+ "EventCode": "0x180",
+ "EventName": "int_mul_add_sub_inst",
+ "BriefDescription": "Integer multiplication and add/sub instruction count"
+ },
+ {
+ "EventCode": "0x190",
+ "EventName": "retired_ops",
+ "BriefDescription": "Retired operation count"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/riscv/andes/ax45/memory.json b/tools/perf/pmu-events/arch/riscv/andes/ax45/memory.json
new file mode 100644
index 0000000000000..c7401b526c77c
--- /dev/null
+++ b/tools/perf/pmu-events/arch/riscv/andes/ax45/memory.json
@@ -0,0 +1,57 @@
+[
+ {
+ "EventCode": "0x01",
+ "EventName": "ilm_access",
+ "BriefDescription": "ILM access"
+ },
+ {
+ "EventCode": "0x11",
+ "EventName": "dlm_access",
+ "BriefDescription": "DLM access"
+ },
+ {
+ "EventCode": "0x21",
+ "EventName": "icache_access",
+ "BriefDescription": "ICACHE access"
+ },
+ {
+ "EventCode": "0x31",
+ "EventName": "icache_miss",
+ "BriefDescription": "ICACHE miss"
+ },
+ {
+ "EventCode": "0x41",
+ "EventName": "dcache_access",
+ "BriefDescription": "DCACHE access"
+ },
+ {
+ "EventCode": "0x51",
+ "EventName": "dcache_miss",
+ "BriefDescription": "DCACHE miss"
+ },
+ {
+ "EventCode": "0x61",
+ "EventName": "dcache_load_access",
+ "BriefDescription": "DCACHE load access"
+ },
+ {
+ "EventCode": "0x71",
+ "EventName": "dcache_load_miss",
+ "BriefDescription": "DCACHE load miss"
+ },
+ {
+ "EventCode": "0x81",
+ "EventName": "dcache_store_access",
+ "BriefDescription": "DCACHE store access"
+ },
+ {
+ "EventCode": "0x91",
+ "EventName": "dcache_store_miss",
+ "BriefDescription": "DCACHE store miss"
+ },
+ {
+ "EventCode": "0xA1",
+ "EventName": "dcache_wb",
+ "BriefDescription": "DCACHE writeback"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/riscv/andes/ax45/microarch.json b/tools/perf/pmu-events/arch/riscv/andes/ax45/microarch.json
new file mode 100644
index 0000000000000..a6d378cbaa74d
--- /dev/null
+++ b/tools/perf/pmu-events/arch/riscv/andes/ax45/microarch.json
@@ -0,0 +1,77 @@
+[
+ {
+ "EventCode": "0xB1",
+ "EventName": "cycle_wait_icache_fill",
+ "BriefDescription": "Cycles waiting for ICACHE fill data"
+ },
+ {
+ "EventCode": "0xC1",
+ "EventName": "cycle_wait_dcache_fill",
+ "BriefDescription": "Cycles waiting for DCACHE fill data"
+ },
+ {
+ "EventCode": "0xD1",
+ "EventName": "uncached_ifetch_from_bus",
+ "BriefDescription": "Uncached ifetch data access from bus"
+ },
+ {
+ "EventCode": "0xE1",
+ "EventName": "uncached_load_from_bus",
+ "BriefDescription": "Uncached load data access from bus"
+ },
+ {
+ "EventCode": "0xF1",
+ "EventName": "cycle_wait_uncached_ifetch",
+ "BriefDescription": "Cycles waiting for uncached ifetch data from bus"
+ },
+ {
+ "EventCode": "0x101",
+ "EventName": "cycle_wait_uncached_load",
+ "BriefDescription": "Cycles waiting for uncached load data from bus"
+ },
+ {
+ "EventCode": "0x111",
+ "EventName": "main_itlb_access",
+ "BriefDescription": "Main ITLB access"
+ },
+ {
+ "EventCode": "0x121",
+ "EventName": "main_itlb_miss",
+ "BriefDescription": "Main ITLB miss"
+ },
+ {
+ "EventCode": "0x131",
+ "EventName": "main_dtlb_access",
+ "BriefDescription": "Main DTLB access"
+ },
+ {
+ "EventCode": "0x141",
+ "EventName": "main_dtlb_miss",
+ "BriefDescription": "Main DTLB miss"
+ },
+ {
+ "EventCode": "0x151",
+ "EventName": "cycle_wait_itlb_fill",
+ "BriefDescription": "Cycles waiting for Main ITLB fill data"
+ },
+ {
+ "EventCode": "0x161",
+ "EventName": "pipe_stall_cycle_dtlb_miss",
+ "BriefDescription": "Pipeline stall cycles caused by Main DTLB miss"
+ },
+ {
+ "EventCode": "0x02",
+ "EventName": "mispredict_condition_br",
+ "BriefDescription": "Misprediction of conditional branches"
+ },
+ {
+ "EventCode": "0x12",
+ "EventName": "mispredict_take_condition_br",
+ "BriefDescription": "Misprediction of taken conditional branches"
+ },
+ {
+ "EventCode": "0x22",
+ "EventName": "mispredict_target_ret_inst",
+ "BriefDescription": "Misprediction of targets of Return instructions"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/riscv/mapfile.csv b/tools/perf/pmu-events/arch/riscv/mapfile.csv
index cfc449b198105..3d3a809a5446e 100644
--- a/tools/perf/pmu-events/arch/riscv/mapfile.csv
+++ b/tools/perf/pmu-events/arch/riscv/mapfile.csv
@@ -17,3 +17,4 @@
0x489-0x8000000000000007-0x[[:xdigit:]]+,v1,sifive/u74,core
0x5b7-0x0-0x0,v1,thead/c900-legacy,core
0x67e-0x80000000db0000[89]0-0x[[:xdigit:]]+,v1,starfive/dubhe-80,core
+0x31e-0x8000000000008a45-0x[[:xdigit:]]+,v1,andes/ax45,core
--
GitLab
From 0a3737db8479b77f95f4bfda8e71b03c697eb56a Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Tue, 12 Mar 2024 08:29:47 -0600
Subject: [PATCH 1150/2686] io_uring/rw: return IOU_ISSUE_SKIP_COMPLETE for
multishot retry
If read multishot is being invoked from the poll retry handler, then we
should return IOU_ISSUE_SKIP_COMPLETE rather than -EAGAIN. If not, then
a CQE will be posted with -EAGAIN rather than triggering the retry when
the file is flagged as readable again.
Cc: stable@vger.kernel.org
Reported-by: Sargun Dhillon <sargun@meta.com>
Fixes: fc68fcda04910 ("io_uring/rw: add support for IORING_OP_READ_MULTISHOT")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/rw.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/io_uring/rw.c b/io_uring/rw.c
index 47e097ab5d7e4..0585ebcc9773d 100644
--- a/io_uring/rw.c
+++ b/io_uring/rw.c
@@ -947,6 +947,8 @@ int io_read_mshot(struct io_kiocb *req, unsigned int issue_flags)
*/
if (io_kbuf_recycle(req, issue_flags))
rw->len = 0;
+ if (issue_flags & IO_URING_F_MULTISHOT)
+ return IOU_ISSUE_SKIP_COMPLETE;
return -EAGAIN;
}
--
GitLab
From cef59d1ea7170ec753182302645a0191c8aa3382 Mon Sep 17 00:00:00 2001
From: Pavel Begunkov <asml.silence@gmail.com>
Date: Tue, 12 Mar 2024 14:56:27 +0000
Subject: [PATCH 1151/2686] io_uring: clean rings on NO_MMAP alloc fail
We make a few cancellation judgements based on ctx->rings, so let's
zero it afer deallocation for IORING_SETUP_NO_MMAP just like it's
done with the mmap case. Likely, it's not a real problem, but zeroing
is safer and better tested.
Cc: stable@vger.kernel.org
Fixes: 03d89a2de25bbc ("io_uring: support for user allocated memory for rings/sqes")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9ff6cdf91429b8a51699c210e1f6af6ea3f8bdcf.1710255382.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/io_uring.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 49a124daa3595..e7d7a456b4896 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -2788,14 +2788,15 @@ static void io_rings_free(struct io_ring_ctx *ctx)
if (!(ctx->flags & IORING_SETUP_NO_MMAP)) {
io_mem_free(ctx->rings);
io_mem_free(ctx->sq_sqes);
- ctx->rings = NULL;
- ctx->sq_sqes = NULL;
} else {
io_pages_free(&ctx->ring_pages, ctx->n_ring_pages);
ctx->n_ring_pages = 0;
io_pages_free(&ctx->sqe_pages, ctx->n_sqe_pages);
ctx->n_sqe_pages = 0;
}
+
+ ctx->rings = NULL;
+ ctx->sq_sqes = NULL;
}
void *io_mem_alloc(size_t size)
--
GitLab
From 9e2ab4b18ebd46813fc3459207335af4d368e323 Mon Sep 17 00:00:00 2001
From: Luca Ceresoli <luca.ceresoli@bootlin.com>
Date: Tue, 5 Mar 2024 15:36:28 +0100
Subject: [PATCH 1152/2686] ASoC: rockchip: i2s-tdm: Fix inaccurate sampling
rates
The sample rates set by the rockchip_i2s_tdm driver in master mode are
inaccurate up to 5% in several cases, due to the driver logic to configure
clocks and a nasty interaction with the Common Clock Framework.
To understand what happens, here is the relevant section of the clock tree
(slightly simplified), along with the names used in the driver:
vpll0 _OR_ vpll1 "mclk_root"
clk_i2s2_8ch_tx_src "mclk_parent"
clk_i2s2_8ch_tx_mux
clk_i2s2_8ch_tx "mclk" or "mclk_tx"
This is what happens when playing back e.g. at 192 kHz using
audio-graph-card (when recording the same applies, only s/tx/rx/):
0. at probe, rockchip_i2s_tdm_set_sysclk() stores the passed frequency in
i2s_tdm->mclk_tx_freq (*) which is 50176000, and that is never modified
afterwards
1. when playback is started, rockchip_i2s_tdm_hw_params() is called and
does the following two calls
2. rockchip_i2s_tdm_calibrate_mclk():
2a. selects mclk_root0 (vpll0) as a parent for mclk_parent
(mclk_tx_src), which is OK because the vpll0 rate is a good for
192000 (and sumbultiple) rates
2b. sets the mclk_root frequency based on ppm calibration computations
2c. sets mclk_tx_src to 49152000 (= 256 * 192000), which is also OK as
it is a multiple of the required bit clock
3. rockchip_i2s_tdm_set_mclk()
3a. calls clk_set_rate() to set the rate of mclk_tx (clk_i2s2_8ch_tx)
to the value of i2s_tdm->mclk_tx_freq (*), i.e. 50176000 which is
not a multiple of the sampling frequency -- this is not OK
3a1. clk_set_rate() reacts by reparenting clk_i2s2_8ch_tx_src to
vpll1 -- this is not OK because the default vpll1 rate can be
divided to get 44.1 kHz and related rates, not 192 kHz
The result is that the driver does a lot of ad-hoc decisions about clocks
and ends up in using the wrong parent at an unoptimal rate.
Step 0 is one part of the problem: unless the card driver calls set_sysclk
at each stream start, whatever rate is set in mclk_tx_freq during boot will
be taken and used until reboot. Moreover the driver does not care if its
value is not a multiple of any audio frequency.
Another part of the problem is that the whole reparenting and clock rate
setting logic is conflicting with the CCF algorithms to achieve largely the
same goal: selecting the best parent and setting the closest clock
rate. And it turns out that only calling once clk_set_rate() on
clk_i2s2_8ch_tx picks the correct vpll and sets the correct rate.
The fix is based on removing the custom logic in the driver to select the
parent and set the various clocks, and just let the Clock Framework do it
all. As a side effect, the set_sysclk() op becomes useless because we now
let the CCF compute the appropriate value for the sampling rate. It also
implies that the whole calibration logic is now dead code and so it is
removed along with the "PCM Clock Compensation in PPM" kcontrol, which has
always been broken anyway. The handling of the 4 optional clocks also
becomes dead code and is removed.
The actual rates have been tested playing 30 seconds of audio at various
sampling rates before and after this change using sox:
time play -r <sample_rate> -n synth 30 sine 950 gain -3
The time reported in the table below is the 'real' value reported by the
'time' command in the above command line.
rate before after
--------- ------ ------
8000 Hz 30.60s 30.63s
11025 Hz 30.45s 30.51s
16000 Hz 30.47s 30.50s
22050 Hz 30.78s 30.41s
32000 Hz 31.02s 30.43s
44100 Hz 30.78s 30.41s
48000 Hz 29.81s 30.45s
88200 Hz 30.78s 30.41s
96000 Hz 29.79s 30.42s
176400 Hz 27.40s 30.41s
192000 Hz 29.79s 30.42s
While the tests are running the clock tree confirms that:
* without the patch, vpll1 is always used and clk_i2s2_8ch_tx always
produces 50176000 Hz, which cannot be divided for most audio rates
except the slowest ones, generating inaccurate rates
* with the patch:
- for 192000 Hz vpll0 is used
- for 176400 Hz vpll1 is used
- clk_i2s2_8ch_tx always produces (256 * <rate>) Hz
Tested on the RK3308 using the internal audio codec.
Fixes: 081068fd6414 ("ASoC: rockchip: add support for i2s-tdm controller")
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Link: https://msgid.link/r/20240305-rk3308-audio-codec-v4-1-312acdbe628f@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/rockchip/rockchip_i2s_tdm.c | 352 +-------------------------
1 file changed, 6 insertions(+), 346 deletions(-)
diff --git a/sound/soc/rockchip/rockchip_i2s_tdm.c b/sound/soc/rockchip/rockchip_i2s_tdm.c
index 860e66ec85e8a..9fa020ef7eab9 100644
--- a/sound/soc/rockchip/rockchip_i2s_tdm.c
+++ b/sound/soc/rockchip/rockchip_i2s_tdm.c
@@ -25,8 +25,6 @@
#define DEFAULT_MCLK_FS 256
#define CH_GRP_MAX 4 /* The max channel 8 / 2 */
#define MULTIPLEX_CH_MAX 10
-#define CLK_PPM_MIN -1000
-#define CLK_PPM_MAX 1000
#define TRCM_TXRX 0
#define TRCM_TX 1
@@ -53,20 +51,6 @@ struct rk_i2s_tdm_dev {
struct clk *hclk;
struct clk *mclk_tx;
struct clk *mclk_rx;
- /* The mclk_tx_src is parent of mclk_tx */
- struct clk *mclk_tx_src;
- /* The mclk_rx_src is parent of mclk_rx */
- struct clk *mclk_rx_src;
- /*
- * The mclk_root0 and mclk_root1 are root parent and supplies for
- * the different FS.
- *
- * e.g:
- * mclk_root0 is VPLL0, used for FS=48000Hz
- * mclk_root1 is VPLL1, used for FS=44100Hz
- */
- struct clk *mclk_root0;
- struct clk *mclk_root1;
struct regmap *regmap;
struct regmap *grf;
struct snd_dmaengine_dai_dma_data capture_dma_data;
@@ -76,19 +60,11 @@ struct rk_i2s_tdm_dev {
const struct rk_i2s_soc_data *soc_data;
bool is_master_mode;
bool io_multiplex;
- bool mclk_calibrate;
bool tdm_mode;
- unsigned int mclk_rx_freq;
- unsigned int mclk_tx_freq;
- unsigned int mclk_root0_freq;
- unsigned int mclk_root1_freq;
- unsigned int mclk_root0_initial_freq;
- unsigned int mclk_root1_initial_freq;
unsigned int frame_width;
unsigned int clk_trcm;
unsigned int i2s_sdis[CH_GRP_MAX];
unsigned int i2s_sdos[CH_GRP_MAX];
- int clk_ppm;
int refcount;
spinlock_t lock; /* xfer lock */
bool has_playback;
@@ -114,12 +90,6 @@ static void i2s_tdm_disable_unprepare_mclk(struct rk_i2s_tdm_dev *i2s_tdm)
{
clk_disable_unprepare(i2s_tdm->mclk_tx);
clk_disable_unprepare(i2s_tdm->mclk_rx);
- if (i2s_tdm->mclk_calibrate) {
- clk_disable_unprepare(i2s_tdm->mclk_tx_src);
- clk_disable_unprepare(i2s_tdm->mclk_rx_src);
- clk_disable_unprepare(i2s_tdm->mclk_root0);
- clk_disable_unprepare(i2s_tdm->mclk_root1);
- }
}
/**
@@ -142,29 +112,9 @@ static int i2s_tdm_prepare_enable_mclk(struct rk_i2s_tdm_dev *i2s_tdm)
ret = clk_prepare_enable(i2s_tdm->mclk_rx);
if (ret)
goto err_mclk_rx;
- if (i2s_tdm->mclk_calibrate) {
- ret = clk_prepare_enable(i2s_tdm->mclk_tx_src);
- if (ret)
- goto err_mclk_rx;
- ret = clk_prepare_enable(i2s_tdm->mclk_rx_src);
- if (ret)
- goto err_mclk_rx_src;
- ret = clk_prepare_enable(i2s_tdm->mclk_root0);
- if (ret)
- goto err_mclk_root0;
- ret = clk_prepare_enable(i2s_tdm->mclk_root1);
- if (ret)
- goto err_mclk_root1;
- }
return 0;
-err_mclk_root1:
- clk_disable_unprepare(i2s_tdm->mclk_root0);
-err_mclk_root0:
- clk_disable_unprepare(i2s_tdm->mclk_rx_src);
-err_mclk_rx_src:
- clk_disable_unprepare(i2s_tdm->mclk_tx_src);
err_mclk_rx:
clk_disable_unprepare(i2s_tdm->mclk_tx);
err_mclk_tx:
@@ -564,159 +514,6 @@ static void rockchip_i2s_tdm_xfer_resume(struct snd_pcm_substream *substream,
I2S_XFER_RXS_START);
}
-static int rockchip_i2s_tdm_clk_set_rate(struct rk_i2s_tdm_dev *i2s_tdm,
- struct clk *clk, unsigned long rate,
- int ppm)
-{
- unsigned long rate_target;
- int delta, ret;
-
- if (ppm == i2s_tdm->clk_ppm)
- return 0;
-
- if (ppm < 0)
- delta = -1;
- else
- delta = 1;
-
- delta *= (int)div64_u64((u64)rate * (u64)abs(ppm) + 500000,
- 1000000);
-
- rate_target = rate + delta;
-
- if (!rate_target)
- return -EINVAL;
-
- ret = clk_set_rate(clk, rate_target);
- if (ret)
- return ret;
-
- i2s_tdm->clk_ppm = ppm;
-
- return 0;
-}
-
-static int rockchip_i2s_tdm_calibrate_mclk(struct rk_i2s_tdm_dev *i2s_tdm,
- struct snd_pcm_substream *substream,
- unsigned int lrck_freq)
-{
- struct clk *mclk_root;
- struct clk *mclk_parent;
- unsigned int mclk_root_freq;
- unsigned int mclk_root_initial_freq;
- unsigned int mclk_parent_freq;
- unsigned int div, delta;
- u64 ppm;
- int ret;
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- mclk_parent = i2s_tdm->mclk_tx_src;
- else
- mclk_parent = i2s_tdm->mclk_rx_src;
-
- switch (lrck_freq) {
- case 8000:
- case 16000:
- case 24000:
- case 32000:
- case 48000:
- case 64000:
- case 96000:
- case 192000:
- mclk_root = i2s_tdm->mclk_root0;
- mclk_root_freq = i2s_tdm->mclk_root0_freq;
- mclk_root_initial_freq = i2s_tdm->mclk_root0_initial_freq;
- mclk_parent_freq = DEFAULT_MCLK_FS * 192000;
- break;
- case 11025:
- case 22050:
- case 44100:
- case 88200:
- case 176400:
- mclk_root = i2s_tdm->mclk_root1;
- mclk_root_freq = i2s_tdm->mclk_root1_freq;
- mclk_root_initial_freq = i2s_tdm->mclk_root1_initial_freq;
- mclk_parent_freq = DEFAULT_MCLK_FS * 176400;
- break;
- default:
- dev_err(i2s_tdm->dev, "Invalid LRCK frequency: %u Hz\n",
- lrck_freq);
- return -EINVAL;
- }
-
- ret = clk_set_parent(mclk_parent, mclk_root);
- if (ret)
- return ret;
-
- ret = rockchip_i2s_tdm_clk_set_rate(i2s_tdm, mclk_root,
- mclk_root_freq, 0);
- if (ret)
- return ret;
-
- delta = abs(mclk_root_freq % mclk_parent_freq - mclk_parent_freq);
- ppm = div64_u64((uint64_t)delta * 1000000, (uint64_t)mclk_root_freq);
-
- if (ppm) {
- div = DIV_ROUND_CLOSEST(mclk_root_initial_freq, mclk_parent_freq);
- if (!div)
- return -EINVAL;
-
- mclk_root_freq = mclk_parent_freq * round_up(div, 2);
-
- ret = clk_set_rate(mclk_root, mclk_root_freq);
- if (ret)
- return ret;
-
- i2s_tdm->mclk_root0_freq = clk_get_rate(i2s_tdm->mclk_root0);
- i2s_tdm->mclk_root1_freq = clk_get_rate(i2s_tdm->mclk_root1);
- }
-
- return clk_set_rate(mclk_parent, mclk_parent_freq);
-}
-
-static int rockchip_i2s_tdm_set_mclk(struct rk_i2s_tdm_dev *i2s_tdm,
- struct snd_pcm_substream *substream,
- struct clk **mclk)
-{
- unsigned int mclk_freq;
- int ret;
-
- if (i2s_tdm->clk_trcm) {
- if (i2s_tdm->mclk_tx_freq != i2s_tdm->mclk_rx_freq) {
- dev_err(i2s_tdm->dev,
- "clk_trcm, tx: %d and rx: %d should be the same\n",
- i2s_tdm->mclk_tx_freq,
- i2s_tdm->mclk_rx_freq);
- return -EINVAL;
- }
-
- ret = clk_set_rate(i2s_tdm->mclk_tx, i2s_tdm->mclk_tx_freq);
- if (ret)
- return ret;
-
- ret = clk_set_rate(i2s_tdm->mclk_rx, i2s_tdm->mclk_rx_freq);
- if (ret)
- return ret;
-
- /* mclk_rx is also ok. */
- *mclk = i2s_tdm->mclk_tx;
- } else {
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- *mclk = i2s_tdm->mclk_tx;
- mclk_freq = i2s_tdm->mclk_tx_freq;
- } else {
- *mclk = i2s_tdm->mclk_rx;
- mclk_freq = i2s_tdm->mclk_rx_freq;
- }
-
- ret = clk_set_rate(*mclk, mclk_freq);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
static int rockchip_i2s_ch_to_io(unsigned int ch, bool substream_capture)
{
if (substream_capture) {
@@ -853,19 +650,17 @@ static int rockchip_i2s_tdm_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct rk_i2s_tdm_dev *i2s_tdm = to_info(dai);
- struct clk *mclk;
- int ret = 0;
unsigned int val = 0;
unsigned int mclk_rate, bclk_rate, div_bclk = 4, div_lrck = 64;
+ int err;
if (i2s_tdm->is_master_mode) {
- if (i2s_tdm->mclk_calibrate)
- rockchip_i2s_tdm_calibrate_mclk(i2s_tdm, substream,
- params_rate(params));
+ struct clk *mclk = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+ i2s_tdm->mclk_tx : i2s_tdm->mclk_rx;
- ret = rockchip_i2s_tdm_set_mclk(i2s_tdm, substream, &mclk);
- if (ret)
- return ret;
+ err = clk_set_rate(mclk, DEFAULT_MCLK_FS * params_rate(params));
+ if (err)
+ return err;
mclk_rate = clk_get_rate(mclk);
bclk_rate = i2s_tdm->frame_width * params_rate(params);
@@ -973,96 +768,6 @@ static int rockchip_i2s_tdm_trigger(struct snd_pcm_substream *substream,
return 0;
}
-static int rockchip_i2s_tdm_set_sysclk(struct snd_soc_dai *cpu_dai, int stream,
- unsigned int freq, int dir)
-{
- struct rk_i2s_tdm_dev *i2s_tdm = to_info(cpu_dai);
-
- /* Put set mclk rate into rockchip_i2s_tdm_set_mclk() */
- if (i2s_tdm->clk_trcm) {
- i2s_tdm->mclk_tx_freq = freq;
- i2s_tdm->mclk_rx_freq = freq;
- } else {
- if (stream == SNDRV_PCM_STREAM_PLAYBACK)
- i2s_tdm->mclk_tx_freq = freq;
- else
- i2s_tdm->mclk_rx_freq = freq;
- }
-
- dev_dbg(i2s_tdm->dev, "The target mclk_%s freq is: %d\n",
- stream ? "rx" : "tx", freq);
-
- return 0;
-}
-
-static int rockchip_i2s_tdm_clk_compensation_info(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
-{
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = 1;
- uinfo->value.integer.min = CLK_PPM_MIN;
- uinfo->value.integer.max = CLK_PPM_MAX;
- uinfo->value.integer.step = 1;
-
- return 0;
-}
-
-static int rockchip_i2s_tdm_clk_compensation_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol);
- struct rk_i2s_tdm_dev *i2s_tdm = snd_soc_dai_get_drvdata(dai);
-
- ucontrol->value.integer.value[0] = i2s_tdm->clk_ppm;
-
- return 0;
-}
-
-static int rockchip_i2s_tdm_clk_compensation_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol);
- struct rk_i2s_tdm_dev *i2s_tdm = snd_soc_dai_get_drvdata(dai);
- int ret = 0, ppm = 0;
- int changed = 0;
- unsigned long old_rate;
-
- if (ucontrol->value.integer.value[0] < CLK_PPM_MIN ||
- ucontrol->value.integer.value[0] > CLK_PPM_MAX)
- return -EINVAL;
-
- ppm = ucontrol->value.integer.value[0];
-
- old_rate = clk_get_rate(i2s_tdm->mclk_root0);
- ret = rockchip_i2s_tdm_clk_set_rate(i2s_tdm, i2s_tdm->mclk_root0,
- i2s_tdm->mclk_root0_freq, ppm);
- if (ret)
- return ret;
- if (old_rate != clk_get_rate(i2s_tdm->mclk_root0))
- changed = 1;
-
- if (clk_is_match(i2s_tdm->mclk_root0, i2s_tdm->mclk_root1))
- return changed;
-
- old_rate = clk_get_rate(i2s_tdm->mclk_root1);
- ret = rockchip_i2s_tdm_clk_set_rate(i2s_tdm, i2s_tdm->mclk_root1,
- i2s_tdm->mclk_root1_freq, ppm);
- if (ret)
- return ret;
- if (old_rate != clk_get_rate(i2s_tdm->mclk_root1))
- changed = 1;
-
- return changed;
-}
-
-static struct snd_kcontrol_new rockchip_i2s_tdm_compensation_control = {
- .iface = SNDRV_CTL_ELEM_IFACE_PCM,
- .name = "PCM Clock Compensation in PPM",
- .info = rockchip_i2s_tdm_clk_compensation_info,
- .get = rockchip_i2s_tdm_clk_compensation_get,
- .put = rockchip_i2s_tdm_clk_compensation_put,
-};
-
static int rockchip_i2s_tdm_dai_probe(struct snd_soc_dai *dai)
{
struct rk_i2s_tdm_dev *i2s_tdm = snd_soc_dai_get_drvdata(dai);
@@ -1072,9 +777,6 @@ static int rockchip_i2s_tdm_dai_probe(struct snd_soc_dai *dai)
if (i2s_tdm->has_playback)
snd_soc_dai_dma_data_set_playback(dai, &i2s_tdm->playback_dma_data);
- if (i2s_tdm->mclk_calibrate)
- snd_soc_add_dai_controls(dai, &rockchip_i2s_tdm_compensation_control, 1);
-
return 0;
}
@@ -1115,7 +817,6 @@ static const struct snd_soc_dai_ops rockchip_i2s_tdm_dai_ops = {
.probe = rockchip_i2s_tdm_dai_probe,
.hw_params = rockchip_i2s_tdm_hw_params,
.set_bclk_ratio = rockchip_i2s_tdm_set_bclk_ratio,
- .set_sysclk = rockchip_i2s_tdm_set_sysclk,
.set_fmt = rockchip_i2s_tdm_set_fmt,
.set_tdm_slot = rockchip_dai_tdm_slot,
.trigger = rockchip_i2s_tdm_trigger,
@@ -1444,35 +1145,6 @@ static void rockchip_i2s_tdm_path_config(struct rk_i2s_tdm_dev *i2s_tdm,
rockchip_i2s_tdm_tx_path_config(i2s_tdm, num);
}
-static int rockchip_i2s_tdm_get_calibrate_mclks(struct rk_i2s_tdm_dev *i2s_tdm)
-{
- int num_mclks = 0;
-
- i2s_tdm->mclk_tx_src = devm_clk_get(i2s_tdm->dev, "mclk_tx_src");
- if (!IS_ERR(i2s_tdm->mclk_tx_src))
- num_mclks++;
-
- i2s_tdm->mclk_rx_src = devm_clk_get(i2s_tdm->dev, "mclk_rx_src");
- if (!IS_ERR(i2s_tdm->mclk_rx_src))
- num_mclks++;
-
- i2s_tdm->mclk_root0 = devm_clk_get(i2s_tdm->dev, "mclk_root0");
- if (!IS_ERR(i2s_tdm->mclk_root0))
- num_mclks++;
-
- i2s_tdm->mclk_root1 = devm_clk_get(i2s_tdm->dev, "mclk_root1");
- if (!IS_ERR(i2s_tdm->mclk_root1))
- num_mclks++;
-
- if (num_mclks < 4 && num_mclks != 0)
- return -ENOENT;
-
- if (num_mclks == 4)
- i2s_tdm->mclk_calibrate = 1;
-
- return 0;
-}
-
static int rockchip_i2s_tdm_path_prepare(struct rk_i2s_tdm_dev *i2s_tdm,
struct device_node *np,
bool is_rx_path)
@@ -1610,11 +1282,6 @@ static int rockchip_i2s_tdm_probe(struct platform_device *pdev)
i2s_tdm->io_multiplex =
of_property_read_bool(node, "rockchip,io-multiplex");
- ret = rockchip_i2s_tdm_get_calibrate_mclks(i2s_tdm);
- if (ret)
- return dev_err_probe(i2s_tdm->dev, ret,
- "mclk-calibrate clocks missing");
-
regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(regs)) {
return dev_err_probe(i2s_tdm->dev, PTR_ERR(regs),
@@ -1667,13 +1334,6 @@ static int rockchip_i2s_tdm_probe(struct platform_device *pdev)
goto err_disable_hclk;
}
- if (i2s_tdm->mclk_calibrate) {
- i2s_tdm->mclk_root0_initial_freq = clk_get_rate(i2s_tdm->mclk_root0);
- i2s_tdm->mclk_root1_initial_freq = clk_get_rate(i2s_tdm->mclk_root1);
- i2s_tdm->mclk_root0_freq = i2s_tdm->mclk_root0_initial_freq;
- i2s_tdm->mclk_root1_freq = i2s_tdm->mclk_root1_initial_freq;
- }
-
pm_runtime_enable(&pdev->dev);
regmap_update_bits(i2s_tdm->regmap, I2S_DMACR, I2S_DMACR_TDL_MASK,
--
GitLab
From 23fb6bc2696119391ec3a92ccaffe50e567c515e Mon Sep 17 00:00:00 2001
From: Chancel Liu <chancel.liu@nxp.com>
Date: Tue, 5 Mar 2024 15:56:06 +0900
Subject: [PATCH 1153/2686] ASoC: soc-core.c: Skip dummy codec when adding
platforms
When pcm_runtime is adding platform components it will scan all
registered components. In case of DPCM FE/BE some DAI links will
configure dummy platform. However both dummy codec and dummy platform
are using "snd-soc-dummy" as component->name. Dummy codec should be
skipped when adding platforms otherwise there'll be overflow and UBSAN
complains.
Reported-by: Zhipeng Wang <zhipeng.wang_1@nxp.com>
Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
Link: https://msgid.link/r/20240305065606.3778642-1-chancel.liu@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/soc-core.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 1e94edba12eb8..2ec13d1634b63 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1219,6 +1219,9 @@ static int snd_soc_add_pcm_runtime(struct snd_soc_card *card,
if (!snd_soc_is_matching_component(platform, component))
continue;
+ if (snd_soc_component_is_dummy(component) && component->num_dai)
+ continue;
+
snd_soc_rtd_add_component(rtd, component);
}
}
--
GitLab
From f35c9af45ea7a4b1115b193d84858b14d13517fc Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Mon, 11 Mar 2024 17:20:37 +1000
Subject: [PATCH 1154/2686] nouveau: reset the bo resource bus info after an
eviction
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Later attempts to refault the bo won't happen and the whole
GPU does to lunch. I think Christian's refactoring of this
code out to the driver broke this not very well tested path.
Fixes: 141b15e59175 ("drm/nouveau: move io_reserve_lru handling into the driver v5")
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240311072037.287905-1-airlied@gmail.com
---
drivers/gpu/drm/nouveau/nouveau_bo.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 56dcd25db1ce2..db8cbf6151129 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -1256,6 +1256,8 @@ nouveau_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *reg)
drm_vma_node_unmap(&nvbo->bo.base.vma_node,
bdev->dev_mapping);
nouveau_ttm_io_mem_free_locked(drm, nvbo->bo.resource);
+ nvbo->bo.resource->bus.offset = 0;
+ nvbo->bo.resource->bus.addr = NULL;
goto retry;
}
--
GitLab
From dea185b71bae61808c70263da5f9251e149f1e9e Mon Sep 17 00:00:00 2001
From: Timur Tabi <ttabi@nvidia.com>
Date: Fri, 9 Feb 2024 18:29:00 -0600
Subject: [PATCH 1155/2686] drm/nouveau: fix kerneldoc warnings
kernel test robot complains about missing kerneldoc entries:
drivers-gpu-drm-nouveau-nvkm-subdev-gsp-r535.c:warning:
Function-parameter-or-struct-member-gsp-not-described-in-nvkm_gsp_radix3_sg
Signed-off-by: Timur Tabi <ttabi@nvidia.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240210002900.148982-1-ttabi@nvidia.com
---
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index a64c813856821..c029e5dc1948e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -1432,6 +1432,10 @@ r535_gsp_msg_post_event(void *priv, u32 fn, void *repv, u32 repc)
/**
* r535_gsp_msg_run_cpu_sequencer() -- process I/O commands from the GSP
+ * @priv: gsp pointer
+ * @fn: function number (ignored)
+ * @repv: pointer to libos print RPC
+ * @repc: message size
*
* The GSP sequencer is a list of I/O commands that the GSP can send to
* the driver to perform for various purposes. The most common usage is to
@@ -1783,6 +1787,7 @@ static void create_pte_array(u64 *ptes, dma_addr_t addr, size_t size)
/**
* r535_gsp_libos_init() -- create the libos arguments structure
+ * @gsp: gsp pointer
*
* The logging buffers are byte queues that contain encoded printf-like
* messages from GSP-RM. They need to be decoded by a special application
@@ -1922,6 +1927,10 @@ nvkm_gsp_radix3_dtor(struct nvkm_gsp *gsp, struct nvkm_gsp_radix3 *rx3)
/**
* nvkm_gsp_radix3_sg - build a radix3 table from a S/G list
+ * @gsp: gsp pointer
+ * @sgt: S/G list to traverse
+ * @size: size of the image, in bytes
+ * @rx3: radix3 array to update
*
* The GSP uses a three-level page table, called radix3, to map the firmware.
* Each 64-bit "pointer" in the table is either the bus address of an entry in
--
GitLab
From 1c4e97dd2d3c9a3e84f7e26346aa39bc426d3249 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Fri, 8 Mar 2024 12:01:21 -0800
Subject: [PATCH 1156/2686] tcp: Fix NEW_SYN_RECV handling in inet_twsk_purge()
inet_twsk_purge() uses rcu to find TIME_WAIT and NEW_SYN_RECV
objects to purge.
These objects use SLAB_TYPESAFE_BY_RCU semantic and need special
care. We need to use refcount_inc_not_zero(&sk->sk_refcnt).
Reuse the existing correct logic I wrote for TIME_WAIT,
because both structures have common locations for
sk_state, sk_family, and netns pointer.
If after the refcount_inc_not_zero() the object fields longer match
the keys, use sock_gen_put(sk) to release the refcount.
Then we can call inet_twsk_deschedule_put() for TIME_WAIT,
inet_csk_reqsk_queue_drop_and_put() for NEW_SYN_RECV sockets,
with BH disabled.
Then we need to restart the loop because we had drop rcu_read_lock().
Fixes: 740ea3c4a0b2 ("tcp: Clean up kernel listener's reqsk in inet_twsk_purge()")
Link: https://lore.kernel.org/netdev/CANn89iLvFuuihCtt9PME2uS1WJATnf5fKjDToa1WzVnRzHnPfg@mail.gmail.com/T/#u
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240308200122.64357-2-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/ipv4/inet_timewait_sock.c | 41 ++++++++++++++++-------------------
1 file changed, 19 insertions(+), 22 deletions(-)
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index 5befa4de5b241..e8de45d34d56a 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -263,12 +263,12 @@ void __inet_twsk_schedule(struct inet_timewait_sock *tw, int timeo, bool rearm)
}
EXPORT_SYMBOL_GPL(__inet_twsk_schedule);
+/* Remove all non full sockets (TIME_WAIT and NEW_SYN_RECV) for dead netns */
void inet_twsk_purge(struct inet_hashinfo *hashinfo, int family)
{
- struct inet_timewait_sock *tw;
- struct sock *sk;
struct hlist_nulls_node *node;
unsigned int slot;
+ struct sock *sk;
for (slot = 0; slot <= hashinfo->ehash_mask; slot++) {
struct inet_ehash_bucket *head = &hashinfo->ehash[slot];
@@ -277,38 +277,35 @@ void inet_twsk_purge(struct inet_hashinfo *hashinfo, int family)
rcu_read_lock();
restart:
sk_nulls_for_each_rcu(sk, node, &head->chain) {
- if (sk->sk_state != TCP_TIME_WAIT) {
- /* A kernel listener socket might not hold refcnt for net,
- * so reqsk_timer_handler() could be fired after net is
- * freed. Userspace listener and reqsk never exist here.
- */
- if (unlikely(sk->sk_state == TCP_NEW_SYN_RECV &&
- hashinfo->pernet)) {
- struct request_sock *req = inet_reqsk(sk);
-
- inet_csk_reqsk_queue_drop_and_put(req->rsk_listener, req);
- }
+ int state = inet_sk_state_load(sk);
+ if ((1 << state) & ~(TCPF_TIME_WAIT |
+ TCPF_NEW_SYN_RECV))
continue;
- }
- tw = inet_twsk(sk);
- if ((tw->tw_family != family) ||
- refcount_read(&twsk_net(tw)->ns.count))
+ if (sk->sk_family != family ||
+ refcount_read(&sock_net(sk)->ns.count))
continue;
- if (unlikely(!refcount_inc_not_zero(&tw->tw_refcnt)))
+ if (unlikely(!refcount_inc_not_zero(&sk->sk_refcnt)))
continue;
- if (unlikely((tw->tw_family != family) ||
- refcount_read(&twsk_net(tw)->ns.count))) {
- inet_twsk_put(tw);
+ if (unlikely(sk->sk_family != family ||
+ refcount_read(&sock_net(sk)->ns.count))) {
+ sock_gen_put(sk);
goto restart;
}
rcu_read_unlock();
local_bh_disable();
- inet_twsk_deschedule_put(tw);
+ if (state == TCP_TIME_WAIT) {
+ inet_twsk_deschedule_put(inet_twsk(sk));
+ } else {
+ struct request_sock *req = inet_reqsk(sk);
+
+ inet_csk_reqsk_queue_drop_and_put(req->rsk_listener,
+ req);
+ }
local_bh_enable();
goto restart_rcu;
}
--
GitLab
From 2a750d6a5b365265dbda33330a6188547ddb5c24 Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Fri, 8 Mar 2024 12:01:22 -0800
Subject: [PATCH 1157/2686] rds: tcp: Fix use-after-free of net in
reqsk_timer_handler().
syzkaller reported a warning of netns tracker [0] followed by KASAN
splat [1] and another ref tracker warning [1].
syzkaller could not find a repro, but in the log, the only suspicious
sequence was as follows:
18:26:22 executing program 1:
r0 = socket$inet6_mptcp(0xa, 0x1, 0x106)
...
connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4001, 0x0, @loopback}, 0x1c) (async)
The notable thing here is 0x4001 in connect(), which is RDS_TCP_PORT.
So, the scenario would be:
1. unshare(CLONE_NEWNET) creates a per netns tcp listener in
rds_tcp_listen_init().
2. syz-executor connect()s to it and creates a reqsk.
3. syz-executor exit()s immediately.
4. netns is dismantled. [0]
5. reqsk timer is fired, and UAF happens while freeing reqsk. [1]
6. listener is freed after RCU grace period. [2]
Basically, reqsk assumes that the listener guarantees netns safety
until all reqsk timers are expired by holding the listener's refcount.
However, this was not the case for kernel sockets.
Commit 740ea3c4a0b2 ("tcp: Clean up kernel listener's reqsk in
inet_twsk_purge()") fixed this issue only for per-netns ehash.
Let's apply the same fix for the global ehash.
[0]:
ref_tracker: net notrefcnt@0000000065449cc3 has 1/1 users at
sk_alloc (./include/net/net_namespace.h:337 net/core/sock.c:2146)
inet6_create (net/ipv6/af_inet6.c:192 net/ipv6/af_inet6.c:119)
__sock_create (net/socket.c:1572)
rds_tcp_listen_init (net/rds/tcp_listen.c:279)
rds_tcp_init_net (net/rds/tcp.c:577)
ops_init (net/core/net_namespace.c:137)
setup_net (net/core/net_namespace.c:340)
copy_net_ns (net/core/net_namespace.c:497)
create_new_namespaces (kernel/nsproxy.c:110)
unshare_nsproxy_namespaces (kernel/nsproxy.c:228 (discriminator 4))
ksys_unshare (kernel/fork.c:3429)
__x64_sys_unshare (kernel/fork.c:3496)
do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
...
WARNING: CPU: 0 PID: 27 at lib/ref_tracker.c:179 ref_tracker_dir_exit (lib/ref_tracker.c:179)
[1]:
BUG: KASAN: slab-use-after-free in inet_csk_reqsk_queue_drop (./include/net/inet_hashtables.h:180 net/ipv4/inet_connection_sock.c:952 net/ipv4/inet_connection_sock.c:966)
Read of size 8 at addr ffff88801b370400 by task swapper/0/0
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
Call Trace:
<IRQ>
dump_stack_lvl (lib/dump_stack.c:107 (discriminator 1))
print_report (mm/kasan/report.c:378 mm/kasan/report.c:488)
kasan_report (mm/kasan/report.c:603)
inet_csk_reqsk_queue_drop (./include/net/inet_hashtables.h:180 net/ipv4/inet_connection_sock.c:952 net/ipv4/inet_connection_sock.c:966)
reqsk_timer_handler (net/ipv4/inet_connection_sock.c:979 net/ipv4/inet_connection_sock.c:1092)
call_timer_fn (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/timer.h:127 kernel/time/timer.c:1701)
__run_timers.part.0 (kernel/time/timer.c:1752 kernel/time/timer.c:2038)
run_timer_softirq (kernel/time/timer.c:2053)
__do_softirq (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/irq.h:142 kernel/softirq.c:554)
irq_exit_rcu (kernel/softirq.c:427 kernel/softirq.c:632 kernel/softirq.c:644)
sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1076 (discriminator 14))
</IRQ>
Allocated by task 258 on cpu 0 at 83.612050s:
kasan_save_stack (mm/kasan/common.c:48)
kasan_save_track (mm/kasan/common.c:68)
__kasan_slab_alloc (mm/kasan/common.c:343)
kmem_cache_alloc (mm/slub.c:3813 mm/slub.c:3860 mm/slub.c:3867)
copy_net_ns (./include/linux/slab.h:701 net/core/net_namespace.c:421 net/core/net_namespace.c:480)
create_new_namespaces (kernel/nsproxy.c:110)
unshare_nsproxy_namespaces (kernel/nsproxy.c:228 (discriminator 4))
ksys_unshare (kernel/fork.c:3429)
__x64_sys_unshare (kernel/fork.c:3496)
do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
Freed by task 27 on cpu 0 at 329.158864s:
kasan_save_stack (mm/kasan/common.c:48)
kasan_save_track (mm/kasan/common.c:68)
kasan_save_free_info (mm/kasan/generic.c:643)
__kasan_slab_free (mm/kasan/common.c:265)
kmem_cache_free (mm/slub.c:4299 mm/slub.c:4363)
cleanup_net (net/core/net_namespace.c:456 net/core/net_namespace.c:446 net/core/net_namespace.c:639)
process_one_work (kernel/workqueue.c:2638)
worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787)
kthread (kernel/kthread.c:388)
ret_from_fork (arch/x86/kernel/process.c:153)
ret_from_fork_asm (arch/x86/entry/entry_64.S:250)
The buggy address belongs to the object at ffff88801b370000
which belongs to the cache net_namespace of size 4352
The buggy address is located 1024 bytes inside of
freed 4352-byte region [ffff88801b370000, ffff88801b371100)
[2]:
WARNING: CPU: 0 PID: 95 at lib/ref_tracker.c:228 ref_tracker_free (lib/ref_tracker.c:228 (discriminator 1))
Modules linked in:
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
RIP: 0010:ref_tracker_free (lib/ref_tracker.c:228 (discriminator 1))
...
Call Trace:
<IRQ>
__sk_destruct (./include/net/net_namespace.h:353 net/core/sock.c:2204)
rcu_core (./arch/x86/include/asm/preempt.h:26 kernel/rcu/tree.c:2165 kernel/rcu/tree.c:2433)
__do_softirq (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/irq.h:142 kernel/softirq.c:554)
irq_exit_rcu (kernel/softirq.c:427 kernel/softirq.c:632 kernel/softirq.c:644)
sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1076 (discriminator 14))
</IRQ>
Reported-by: syzkaller <syzkaller@googlegroups.com>
Suggested-by: Eric Dumazet <edumazet@google.com>
Fixes: 467fa15356ac ("RDS-TCP: Support multiple RDS-TCP listen endpoints, one per netns.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240308200122.64357-3-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/ipv4/tcp_minisocks.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 52040b0e2616b..f0761f060a837 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -398,10 +398,6 @@ void tcp_twsk_purge(struct list_head *net_exit_list, int family)
/* Even if tw_refcount == 1, we must clean up kernel reqsk */
inet_twsk_purge(net->ipv4.tcp_death_row.hashinfo, family);
} else if (!purged_once) {
- /* The last refcount is decremented in tcp_sk_exit_batch() */
- if (refcount_read(&net->ipv4.tcp_death_row.tw_refcount) == 1)
- continue;
-
inet_twsk_purge(&tcp_hashinfo, family);
purged_once = true;
}
--
GitLab
From 584c2a9184a33a40fceee838f856de3cffa19be3 Mon Sep 17 00:00:00 2001
From: Sean Anderson <sean.anderson@linux.dev>
Date: Mon, 11 Mar 2024 12:38:29 -0400
Subject: [PATCH 1158/2686] soc: fsl: qbman: Always disable interrupts when
taking cgr_lock
smp_call_function_single disables IRQs when executing the callback. To
prevent deadlocks, we must disable IRQs when taking cgr_lock elsewhere.
This is already done by qman_update_cgr and qman_delete_cgr; fix the
other lockers.
Fixes: 96f413f47677 ("soc/fsl/qbman: fix issue in qman_delete_cgr_safe()")
CC: stable@vger.kernel.org
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Camelia Groza <camelia.groza@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/soc/fsl/qbman/qman.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c
index 739e4eee6b75c..1bf1f1ea67f00 100644
--- a/drivers/soc/fsl/qbman/qman.c
+++ b/drivers/soc/fsl/qbman/qman.c
@@ -1456,11 +1456,11 @@ static void qm_congestion_task(struct work_struct *work)
union qm_mc_result *mcr;
struct qman_cgr *cgr;
- spin_lock(&p->cgr_lock);
+ spin_lock_irq(&p->cgr_lock);
qm_mc_start(&p->p);
qm_mc_commit(&p->p, QM_MCC_VERB_QUERYCONGESTION);
if (!qm_mc_result_timeout(&p->p, &mcr)) {
- spin_unlock(&p->cgr_lock);
+ spin_unlock_irq(&p->cgr_lock);
dev_crit(p->config->dev, "QUERYCONGESTION timeout\n");
qman_p_irqsource_add(p, QM_PIRQ_CSCI);
return;
@@ -1476,7 +1476,7 @@ static void qm_congestion_task(struct work_struct *work)
list_for_each_entry(cgr, &p->cgr_cbs, node)
if (cgr->cb && qman_cgrs_get(&c, cgr->cgrid))
cgr->cb(p, cgr, qman_cgrs_get(&rr, cgr->cgrid));
- spin_unlock(&p->cgr_lock);
+ spin_unlock_irq(&p->cgr_lock);
qman_p_irqsource_add(p, QM_PIRQ_CSCI);
}
@@ -2440,7 +2440,7 @@ int qman_create_cgr(struct qman_cgr *cgr, u32 flags,
preempt_enable();
cgr->chan = p->config->channel;
- spin_lock(&p->cgr_lock);
+ spin_lock_irq(&p->cgr_lock);
if (opts) {
struct qm_mcc_initcgr local_opts = *opts;
@@ -2477,7 +2477,7 @@ int qman_create_cgr(struct qman_cgr *cgr, u32 flags,
qman_cgrs_get(&p->cgrs[1], cgr->cgrid))
cgr->cb(p, cgr, 1);
out:
- spin_unlock(&p->cgr_lock);
+ spin_unlock_irq(&p->cgr_lock);
put_affine_portal();
return ret;
}
--
GitLab
From fbec4e7fed89b579f2483041fabf9650fb0dd6bc Mon Sep 17 00:00:00 2001
From: Sean Anderson <sean.anderson@linux.dev>
Date: Mon, 11 Mar 2024 12:38:30 -0400
Subject: [PATCH 1159/2686] soc: fsl: qbman: Use raw spinlock for cgr_lock
smp_call_function always runs its callback in hard IRQ context, even on
PREEMPT_RT, where spinlocks can sleep. So we need to use a raw spinlock
for cgr_lock to ensure we aren't waiting on a sleeping task.
Although this bug has existed for a while, it was not apparent until
commit ef2a8d5478b9 ("net: dpaa: Adjust queue depth on rate change")
which invokes smp_call_function_single via qman_update_cgr_safe every
time a link goes up or down.
Fixes: 96f413f47677 ("soc/fsl/qbman: fix issue in qman_delete_cgr_safe()")
CC: stable@vger.kernel.org
Reported-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Closes: https://lore.kernel.org/all/20230323153935.nofnjucqjqnz34ej@skbuf/
Reported-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Closes: https://lore.kernel.org/linux-arm-kernel/87wmsyvclu.fsf@pengutronix.de/
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Camelia Groza <camelia.groza@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/soc/fsl/qbman/qman.c | 25 ++++++++++++++-----------
1 file changed, 14 insertions(+), 11 deletions(-)
diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c
index 1bf1f1ea67f00..7e9074519ad22 100644
--- a/drivers/soc/fsl/qbman/qman.c
+++ b/drivers/soc/fsl/qbman/qman.c
@@ -991,7 +991,7 @@ struct qman_portal {
/* linked-list of CSCN handlers. */
struct list_head cgr_cbs;
/* list lock */
- spinlock_t cgr_lock;
+ raw_spinlock_t cgr_lock;
struct work_struct congestion_work;
struct work_struct mr_work;
char irqname[MAX_IRQNAME];
@@ -1281,7 +1281,7 @@ static int qman_create_portal(struct qman_portal *portal,
/* if the given mask is NULL, assume all CGRs can be seen */
qman_cgrs_fill(&portal->cgrs[0]);
INIT_LIST_HEAD(&portal->cgr_cbs);
- spin_lock_init(&portal->cgr_lock);
+ raw_spin_lock_init(&portal->cgr_lock);
INIT_WORK(&portal->congestion_work, qm_congestion_task);
INIT_WORK(&portal->mr_work, qm_mr_process_task);
portal->bits = 0;
@@ -1456,11 +1456,14 @@ static void qm_congestion_task(struct work_struct *work)
union qm_mc_result *mcr;
struct qman_cgr *cgr;
- spin_lock_irq(&p->cgr_lock);
+ /*
+ * FIXME: QM_MCR_TIMEOUT is 10ms, which is too long for a raw spinlock!
+ */
+ raw_spin_lock_irq(&p->cgr_lock);
qm_mc_start(&p->p);
qm_mc_commit(&p->p, QM_MCC_VERB_QUERYCONGESTION);
if (!qm_mc_result_timeout(&p->p, &mcr)) {
- spin_unlock_irq(&p->cgr_lock);
+ raw_spin_unlock_irq(&p->cgr_lock);
dev_crit(p->config->dev, "QUERYCONGESTION timeout\n");
qman_p_irqsource_add(p, QM_PIRQ_CSCI);
return;
@@ -1476,7 +1479,7 @@ static void qm_congestion_task(struct work_struct *work)
list_for_each_entry(cgr, &p->cgr_cbs, node)
if (cgr->cb && qman_cgrs_get(&c, cgr->cgrid))
cgr->cb(p, cgr, qman_cgrs_get(&rr, cgr->cgrid));
- spin_unlock_irq(&p->cgr_lock);
+ raw_spin_unlock_irq(&p->cgr_lock);
qman_p_irqsource_add(p, QM_PIRQ_CSCI);
}
@@ -2440,7 +2443,7 @@ int qman_create_cgr(struct qman_cgr *cgr, u32 flags,
preempt_enable();
cgr->chan = p->config->channel;
- spin_lock_irq(&p->cgr_lock);
+ raw_spin_lock_irq(&p->cgr_lock);
if (opts) {
struct qm_mcc_initcgr local_opts = *opts;
@@ -2477,7 +2480,7 @@ int qman_create_cgr(struct qman_cgr *cgr, u32 flags,
qman_cgrs_get(&p->cgrs[1], cgr->cgrid))
cgr->cb(p, cgr, 1);
out:
- spin_unlock_irq(&p->cgr_lock);
+ raw_spin_unlock_irq(&p->cgr_lock);
put_affine_portal();
return ret;
}
@@ -2512,7 +2515,7 @@ int qman_delete_cgr(struct qman_cgr *cgr)
return -EINVAL;
memset(&local_opts, 0, sizeof(struct qm_mcc_initcgr));
- spin_lock_irqsave(&p->cgr_lock, irqflags);
+ raw_spin_lock_irqsave(&p->cgr_lock, irqflags);
list_del(&cgr->node);
/*
* If there are no other CGR objects for this CGRID in the list,
@@ -2537,7 +2540,7 @@ int qman_delete_cgr(struct qman_cgr *cgr)
/* add back to the list */
list_add(&cgr->node, &p->cgr_cbs);
release_lock:
- spin_unlock_irqrestore(&p->cgr_lock, irqflags);
+ raw_spin_unlock_irqrestore(&p->cgr_lock, irqflags);
put_affine_portal();
return ret;
}
@@ -2577,9 +2580,9 @@ static int qman_update_cgr(struct qman_cgr *cgr, struct qm_mcc_initcgr *opts)
if (!p)
return -EINVAL;
- spin_lock_irqsave(&p->cgr_lock, irqflags);
+ raw_spin_lock_irqsave(&p->cgr_lock, irqflags);
ret = qm_modify_cgr(cgr, 0, opts);
- spin_unlock_irqrestore(&p->cgr_lock, irqflags);
+ raw_spin_unlock_irqrestore(&p->cgr_lock, irqflags);
put_affine_portal();
return ret;
}
--
GitLab
From e642921dfeed1e15e73f78f2c3b6746f72b6deb2 Mon Sep 17 00:00:00 2001
From: Linu Cherian <lcherian@marvell.com>
Date: Tue, 12 Mar 2024 12:36:22 +0530
Subject: [PATCH 1160/2686] octeontx2-af: Use matching wake_up API variant in
CGX command interface
Use wake_up API instead of wake_up_interruptible, since
wait_event_timeout API is used for waiting on command completion.
Fixes: 1463f382f58d ("octeontx2-af: Add support for CGX link management")
Signed-off-by: Linu Cherian <lcherian@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/marvell/octeontx2/af/cgx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index 6c70c84986904..3c0f55b3e48ea 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
@@ -1338,7 +1338,7 @@ static irqreturn_t cgx_fwi_event_handler(int irq, void *data)
/* Release thread waiting for completion */
lmac->cmd_pend = false;
- wake_up_interruptible(&lmac->wq_cmd_cmplt);
+ wake_up(&lmac->wq_cmd_cmplt);
break;
case CGX_EVT_ASYNC:
if (cgx_event_is_linkevent(event))
--
GitLab
From 343041b59b7810f9cdca371f445dd43b35c740b1 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Mon, 11 Mar 2024 20:46:28 +0000
Subject: [PATCH 1161/2686] net/sched: taprio: proper TCA_TAPRIO_TC_ENTRY_INDEX
check
taprio_parse_tc_entry() is not correctly checking
TCA_TAPRIO_TC_ENTRY_INDEX attribute:
int tc; // Signed value
tc = nla_get_u32(tb[TCA_TAPRIO_TC_ENTRY_INDEX]);
if (tc >= TC_QOPT_MAX_QUEUE) {
NL_SET_ERR_MSG_MOD(extack, "TC entry index out of range");
return -ERANGE;
}
syzbot reported that it could fed arbitary negative values:
UBSAN: shift-out-of-bounds in net/sched/sch_taprio.c:1722:18
shift exponent -2147418108 is negative
CPU: 0 PID: 5066 Comm: syz-executor367 Not tainted 6.8.0-rc7-syzkaller-00136-gc8a5c731fd12 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
ubsan_epilogue lib/ubsan.c:217 [inline]
__ubsan_handle_shift_out_of_bounds+0x3c7/0x420 lib/ubsan.c:386
taprio_parse_tc_entry net/sched/sch_taprio.c:1722 [inline]
taprio_parse_tc_entries net/sched/sch_taprio.c:1768 [inline]
taprio_change+0xb87/0x57d0 net/sched/sch_taprio.c:1877
taprio_init+0x9da/0xc80 net/sched/sch_taprio.c:2134
qdisc_create+0x9d4/0x1190 net/sched/sch_api.c:1355
tc_modify_qdisc+0xa26/0x1e40 net/sched/sch_api.c:1776
rtnetlink_rcv_msg+0x885/0x1040 net/core/rtnetlink.c:6617
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367
netlink_sendmsg+0xa3b/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
___sys_sendmsg net/socket.c:2638 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f1b2dea3759
Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd4de452f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f1b2def0390 RCX: 00007f1b2dea3759
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000
R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffd4de45340
R13: 00007ffd4de45310 R14: 0000000000000001 R15: 00007ffd4de45340
Fixes: a54fc09e4cba ("net/sched: taprio: allow user input of per-tc max SDU")
Reported-and-tested-by: syzbot+a340daa06412d6028918@syzkaller.appspotmail.com
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/sched/sch_taprio.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c
index c5de70efdc866..a0d54b422186f 100644
--- a/net/sched/sch_taprio.c
+++ b/net/sched/sch_taprio.c
@@ -997,7 +997,8 @@ static const struct nla_policy entry_policy[TCA_TAPRIO_SCHED_ENTRY_MAX + 1] = {
};
static const struct nla_policy taprio_tc_policy[TCA_TAPRIO_TC_ENTRY_MAX + 1] = {
- [TCA_TAPRIO_TC_ENTRY_INDEX] = { .type = NLA_U32 },
+ [TCA_TAPRIO_TC_ENTRY_INDEX] = NLA_POLICY_MAX(NLA_U32,
+ TC_QOPT_MAX_QUEUE),
[TCA_TAPRIO_TC_ENTRY_MAX_SDU] = { .type = NLA_U32 },
[TCA_TAPRIO_TC_ENTRY_FP] = NLA_POLICY_RANGE(NLA_U32,
TC_FP_EXPRESS,
--
GitLab
From d7d75124965aee23e5e4421d78376545cf070b0a Mon Sep 17 00:00:00 2001
From: Shay Drory <shayd@nvidia.com>
Date: Tue, 12 Mar 2024 12:52:38 +0200
Subject: [PATCH 1162/2686] devlink: Fix devlink parallel commands processing
Commit 870c7ad4a52b ("devlink: protect devlink->dev by the instance
lock") added devlink instance locking inside a loop that iterates over
all the registered devlink instances on the machine in the pre-doit
phase. This can lead to serialization of devlink commands over
different devlink instances.
For example: While the first devlink instance is executing firmware
flash, all commands to other devlink instances on the machine are
forced to wait until the first devlink finishes.
Therefore, in the pre-doit phase, take the devlink instance lock only
for the devlink instance the command is targeting. Devlink layer is
taking a reference on the devlink instance, ensuring the devlink->dev
pointer is valid. This reference taking was introduced by commit
a380687200e0 ("devlink: take device reference for devlink object").
Without this commit, it would not be safe to access devlink->dev
lockless.
Fixes: 870c7ad4a52b ("devlink: protect devlink->dev by the instance lock")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/devlink/netlink.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/net/devlink/netlink.c b/net/devlink/netlink.c
index 499885c8b9cae..593605c1b1ef4 100644
--- a/net/devlink/netlink.c
+++ b/net/devlink/netlink.c
@@ -193,12 +193,13 @@ devlink_get_from_attrs_lock(struct net *net, struct nlattr **attrs,
devname = nla_data(attrs[DEVLINK_ATTR_DEV_NAME]);
devlinks_xa_for_each_registered_get(net, index, devlink) {
- devl_dev_lock(devlink, dev_lock);
- if (devl_is_registered(devlink) &&
- strcmp(devlink->dev->bus->name, busname) == 0 &&
- strcmp(dev_name(devlink->dev), devname) == 0)
- return devlink;
- devl_dev_unlock(devlink, dev_lock);
+ if (strcmp(devlink->dev->bus->name, busname) == 0 &&
+ strcmp(dev_name(devlink->dev), devname) == 0) {
+ devl_dev_lock(devlink, dev_lock);
+ if (devl_is_registered(devlink))
+ return devlink;
+ devl_dev_unlock(devlink, dev_lock);
+ }
devlink_put(devlink);
}
--
GitLab
From 7af03e688792293ba33149fb8df619a8dff90e80 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 8 Mar 2024 18:03:39 +0200
Subject: [PATCH 1163/2686] drm/probe-helper: warn about negative .get_modes()
The .get_modes() callback is supposed to return the number of modes,
never a negative error code. If a negative value is returned, it'll just
be interpreted as a negative count, and added to previous calculations.
Document the rules, but handle the negative values gracefully with an
error message.
Cc: stable@vger.kernel.org
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/50208c866facc33226a3c77b82bb96aeef8ef310.1709913674.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/drm_probe_helper.c | 7 +++++++
include/drm/drm_modeset_helper_vtables.h | 3 ++-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index 19ecb749704be..75f84753f6ee3 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -422,6 +422,13 @@ static int drm_helper_probe_get_modes(struct drm_connector *connector)
count = connector_funcs->get_modes(connector);
+ /* The .get_modes() callback should not return negative values. */
+ if (count < 0) {
+ drm_err(connector->dev, ".get_modes() returned %pe\n",
+ ERR_PTR(count));
+ count = 0;
+ }
+
/*
* Fallback for when DDC probe failed in drm_get_edid() and thus skipped
* override/firmware EDID.
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index 881b03e4dc288..9ed42469540eb 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -898,7 +898,8 @@ struct drm_connector_helper_funcs {
*
* RETURNS:
*
- * The number of modes added by calling drm_mode_probed_add().
+ * The number of modes added by calling drm_mode_probed_add(). Return 0
+ * on failures (no modes) instead of negative error codes.
*/
int (*get_modes)(struct drm_connector *connector);
--
GitLab
From fc4e97726530241d96dd7db72eb65979217422c9 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 8 Mar 2024 18:03:40 +0200
Subject: [PATCH 1164/2686] drm/panel: do not return negative error codes from
drm_panel_get_modes()
None of the callers of drm_panel_get_modes() expect it to return
negative error codes. Either they propagate the return value in their
struct drm_connector_helper_funcs .get_modes() hook (which is also not
supposed to return negative codes), or add it to other counts leading to
bogus values.
On the other hand, many of the struct drm_panel_funcs .get_modes() hooks
do return negative error codes, so handle them gracefully instead of
propagating further.
Return 0 for no modes, whatever the reason.
Cc: Neil Armstrong <neil.armstrong@linaro.org>
Cc: Jessica Zhang <quic_jesszhan@quicinc.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: stable@vger.kernel.org
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/79f559b72d8c493940417304e222a4b04dfa19c4.1709913674.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/drm_panel.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
index e814020bbcd3b..cfbe020de54e0 100644
--- a/drivers/gpu/drm/drm_panel.c
+++ b/drivers/gpu/drm/drm_panel.c
@@ -274,19 +274,24 @@ EXPORT_SYMBOL(drm_panel_disable);
* The modes probed from the panel are automatically added to the connector
* that the panel is attached to.
*
- * Return: The number of modes available from the panel on success or a
- * negative error code on failure.
+ * Return: The number of modes available from the panel on success, or 0 on
+ * failure (no modes).
*/
int drm_panel_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
if (!panel)
- return -EINVAL;
+ return 0;
- if (panel->funcs && panel->funcs->get_modes)
- return panel->funcs->get_modes(panel, connector);
+ if (panel->funcs && panel->funcs->get_modes) {
+ int num;
- return -EOPNOTSUPP;
+ num = panel->funcs->get_modes(panel, connector);
+ if (num > 0)
+ return num;
+ }
+
+ return 0;
}
EXPORT_SYMBOL(drm_panel_get_modes);
--
GitLab
From 13d5b040363c7ec0ac29c2de9cf661a24a8aa531 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 8 Mar 2024 18:03:41 +0200
Subject: [PATCH 1165/2686] drm/exynos: do not return negative values from
.get_modes()
The .get_modes() hooks aren't supposed to return negative error
codes. Return 0 for no modes, whatever the reason.
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: stable@vger.kernel.org
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/d8665f620d9c252aa7d5a4811ff6b16e773903a2.1709913674.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/exynos/exynos_drm_vidi.c | 4 ++--
drivers/gpu/drm/exynos/exynos_hdmi.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 00382f28748ac..f5bbba9ad2252 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -316,14 +316,14 @@ static int vidi_get_modes(struct drm_connector *connector)
*/
if (!ctx->raw_edid) {
DRM_DEV_DEBUG_KMS(ctx->dev, "raw_edid is null.\n");
- return -EFAULT;
+ return 0;
}
edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL);
if (!edid) {
DRM_DEV_DEBUG_KMS(ctx->dev, "failed to allocate edid\n");
- return -ENOMEM;
+ return 0;
}
drm_connector_update_edid_property(connector, edid);
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 43bed6cbaaea0..b1d02dec3774d 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -887,11 +887,11 @@ static int hdmi_get_modes(struct drm_connector *connector)
int ret;
if (!hdata->ddc_adpt)
- return -ENODEV;
+ return 0;
edid = drm_get_edid(connector, hdata->ddc_adpt);
if (!edid)
- return -ENODEV;
+ return 0;
hdata->dvi_mode = !connector->display_info.is_hdmi;
DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n",
--
GitLab
From 171b711b26cce208bb628526b1b368aeec7b6fa4 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 8 Mar 2024 18:03:42 +0200
Subject: [PATCH 1166/2686] drm/bridge: lt8912b: do not return negative values
from .get_modes()
The .get_modes() hooks aren't supposed to return negative error
codes. Return 0 for no modes, whatever the reason.
Cc: Adrien Grassein <adrien.grassein@gmail.com>
Cc: stable@vger.kernel.org
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/dcdddcbcb64b6f6cdc55022ee50c10dee8ddbc3d.1709913674.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/bridge/lontium-lt8912b.c | 16 +++++++---------
1 file changed, 7 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c
index e7c4bef74aa46..4b2ae27f0a57f 100644
--- a/drivers/gpu/drm/bridge/lontium-lt8912b.c
+++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c
@@ -441,23 +441,21 @@ lt8912_connector_mode_valid(struct drm_connector *connector,
static int lt8912_connector_get_modes(struct drm_connector *connector)
{
const struct drm_edid *drm_edid;
- int ret = -1;
- int num = 0;
struct lt8912 *lt = connector_to_lt8912(connector);
u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+ int ret, num;
drm_edid = drm_bridge_edid_read(lt->hdmi_port, connector);
drm_edid_connector_update(connector, drm_edid);
- if (drm_edid) {
- num = drm_edid_connector_add_modes(connector);
- } else {
- return ret;
- }
+ if (!drm_edid)
+ return 0;
+
+ num = drm_edid_connector_add_modes(connector);
ret = drm_display_info_set_bus_formats(&connector->display_info,
&bus_format, 1);
- if (ret)
- num = ret;
+ if (ret < 0)
+ num = 0;
drm_edid_free(drm_edid);
return num;
--
GitLab
From c2da9ada64962fcd2e6395ed9987b9874ea032d3 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 8 Mar 2024 18:03:43 +0200
Subject: [PATCH 1167/2686] drm/imx/ipuv3: do not return negative values from
.get_modes()
The .get_modes() hooks aren't supposed to return negative error
codes. Return 0 for no modes, whatever the reason.
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: stable@vger.kernel.org
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/311f6eec96d47949b16a670529f4d89fcd97aefa.1709913674.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/imx/ipuv3/parallel-display.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/imx/ipuv3/parallel-display.c b/drivers/gpu/drm/imx/ipuv3/parallel-display.c
index 70349739dd89b..55dedd73f528c 100644
--- a/drivers/gpu/drm/imx/ipuv3/parallel-display.c
+++ b/drivers/gpu/drm/imx/ipuv3/parallel-display.c
@@ -72,14 +72,14 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector)
int ret;
if (!mode)
- return -EINVAL;
+ return 0;
ret = of_get_drm_display_mode(np, &imxpd->mode,
&imxpd->bus_flags,
OF_USE_NATIVE_MODE);
if (ret) {
drm_mode_destroy(connector->dev, mode);
- return ret;
+ return 0;
}
drm_mode_copy(mode, &imxpd->mode);
--
GitLab
From abf493988e380f25242c1023275c68bd3579c9ce Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 8 Mar 2024 18:03:44 +0200
Subject: [PATCH 1168/2686] drm/vc4: hdmi: do not return negative values from
.get_modes()
The .get_modes() hooks aren't supposed to return negative error
codes. Return 0 for no modes, whatever the reason.
Cc: Maxime Ripard <mripard@kernel.org>
Cc: stable@vger.kernel.org
Acked-by: Maxime Ripard <mripard@kernel.org>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/dcda6d4003e2c6192987916b35c7304732800e08.1709913674.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/vc4/vc4_hdmi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 34f807ed1c315..d8751ea203032 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -509,7 +509,7 @@ static int vc4_hdmi_connector_get_modes(struct drm_connector *connector)
edid = drm_get_edid(connector, vc4_hdmi->ddc);
cec_s_phys_addr_from_edid(vc4_hdmi->cec_adap, edid);
if (!edid)
- return -ENODEV;
+ return 0;
drm_connector_update_edid_property(connector, edid);
ret = drm_add_edid_modes(connector, edid);
--
GitLab
From b43a72c4f3a8b858db57a83da2b64275561c4e73 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 8 Mar 2024 18:03:45 +0200
Subject: [PATCH 1169/2686] drm/bridge: lt9611uxc: use int for holding number
of modes
lt9611uxc_connector_get_modes() propagates the return value of
drm_edid_connector_add_modes() but stores the int temporarily in an
unsigned int. Use the correct type.
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Neil Armstrong <neil.armstrong@linaro.org>
Cc: Robert Foss <rfoss@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/ed97f4f036263cdc4f34330cef91214970f99a77.1709913674.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
index bcf8bccd86d6c..f4f593ad8f795 100644
--- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
+++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
@@ -294,8 +294,8 @@ static struct mipi_dsi_device *lt9611uxc_attach_dsi(struct lt9611uxc *lt9611uxc,
static int lt9611uxc_connector_get_modes(struct drm_connector *connector)
{
struct lt9611uxc *lt9611uxc = connector_to_lt9611uxc(connector);
- unsigned int count;
const struct drm_edid *drm_edid;
+ int count;
drm_edid = drm_bridge_edid_read(<9611uxc->bridge, connector);
drm_edid_connector_update(connector, drm_edid);
--
GitLab
From 9dd81b2e1ec72a3759f8d6bb6e9cbef93aab6227 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 8 Mar 2024 18:03:46 +0200
Subject: [PATCH 1170/2686] drm/exynos: simplify the return value handling in
exynos_dp_get_modes()
Just use 0 and 1 directly, instead of the confusing local variable
that's always set to 0.
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/64cc680f14d961cedb726a6fd5c6dfd53ca9bb85.1709913674.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/exynos/exynos_dp.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c
index ca31bad6c5760..f48c4343f4690 100644
--- a/drivers/gpu/drm/exynos/exynos_dp.c
+++ b/drivers/gpu/drm/exynos/exynos_dp.c
@@ -74,16 +74,15 @@ static int exynos_dp_get_modes(struct analogix_dp_plat_data *plat_data,
{
struct exynos_dp_device *dp = to_dp(plat_data);
struct drm_display_mode *mode;
- int num_modes = 0;
if (dp->plat_data.panel)
- return num_modes;
+ return 0;
mode = drm_mode_create(connector->dev);
if (!mode) {
DRM_DEV_ERROR(dp->dev,
"failed to create a new display mode.\n");
- return num_modes;
+ return 0;
}
drm_display_mode_from_videomode(&dp->vm, mode);
@@ -94,7 +93,7 @@ static int exynos_dp_get_modes(struct analogix_dp_plat_data *plat_data,
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
- return num_modes + 1;
+ return 1;
}
static int exynos_dp_bridge_attach(struct analogix_dp_plat_data *plat_data,
--
GitLab
From 8248ca30ef89f9cc74ace62ae1b9a22b5f16736c Mon Sep 17 00:00:00 2001
From: Ley Foon Tan <leyfoon.tan@starfivetech.com>
Date: Thu, 7 Mar 2024 01:23:30 +0800
Subject: [PATCH 1171/2686] clocksource/drivers/timer-riscv: Clear timer
interrupt on timer initialization
In the RISC-V specification, the stimecmp register doesn't have a default
value. To prevent the timer interrupt from being triggered during timer
initialization, clear the timer interrupt by writing stimecmp with a
maximum value.
Fixes: 9f7a8ff6391f ("RISC-V: Prefer sstc extension if available")
Cc: <stable@vger.kernel.org>
Signed-off-by: Ley Foon Tan <leyfoon.tan@starfivetech.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20240306172330.255844-1-leyfoon.tan@starfivetech.com
---
drivers/clocksource/timer-riscv.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c
index e66dcbd665665..79bb9a98baa7b 100644
--- a/drivers/clocksource/timer-riscv.c
+++ b/drivers/clocksource/timer-riscv.c
@@ -108,6 +108,9 @@ static int riscv_timer_starting_cpu(unsigned int cpu)
{
struct clock_event_device *ce = per_cpu_ptr(&riscv_clock_event, cpu);
+ /* Clear timer interrupt */
+ riscv_clock_event_stop();
+
ce->cpumask = cpumask_of(cpu);
ce->irq = riscv_clock_event_irq;
if (riscv_timer_cannot_wake_cpu)
--
GitLab
From 5a83e7313ee115d955d4b7834d33ff4d5a46ab37 Mon Sep 17 00:00:00 2001
From: Charlie Jenkins <charlie@rivosinc.com>
Date: Fri, 8 Mar 2024 10:25:55 -0800
Subject: [PATCH 1172/2686] riscv: lib: Introduce has_fast_unaligned_access()
Create has_fast_unaligned_access to avoid needing to explicitly check
the fast_misaligned_access_speed_key static key.
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Evan Green <evan@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240308-disable_misaligned_probe_config-v9-1-a388770ba0ce@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/cpufeature.h | 11 ++++++++---
arch/riscv/kernel/cpufeature.c | 6 +++---
arch/riscv/lib/csum.c | 7 ++-----
3 files changed, 13 insertions(+), 11 deletions(-)
diff --git a/arch/riscv/include/asm/cpufeature.h b/arch/riscv/include/asm/cpufeature.h
index 5a626ed2c47a8..466e1f591919b 100644
--- a/arch/riscv/include/asm/cpufeature.h
+++ b/arch/riscv/include/asm/cpufeature.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
- * Copyright 2022-2023 Rivos, Inc
+ * Copyright 2022-2024 Rivos, Inc
*/
#ifndef _ASM_CPUFEATURE_H
@@ -53,6 +53,13 @@ static inline bool check_unaligned_access_emulated(int cpu)
static inline void unaligned_emulation_finish(void) {}
#endif
+DECLARE_STATIC_KEY_FALSE(fast_unaligned_access_speed_key);
+
+static __always_inline bool has_fast_unaligned_accesses(void)
+{
+ return static_branch_likely(&fast_unaligned_access_speed_key);
+}
+
unsigned long riscv_get_elf_hwcap(void);
struct riscv_isa_ext_data {
@@ -135,6 +142,4 @@ static __always_inline bool riscv_cpu_has_extension_unlikely(int cpu, const unsi
return __riscv_isa_extension_available(hart_isa[cpu].isa, ext);
}
-DECLARE_STATIC_KEY_FALSE(fast_misaligned_access_speed_key);
-
#endif
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 89920f84d0a34..7878cddccc0de 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -810,14 +810,14 @@ static void check_unaligned_access_nonboot_cpu(void *param)
check_unaligned_access(pages[cpu]);
}
-DEFINE_STATIC_KEY_FALSE(fast_misaligned_access_speed_key);
+DEFINE_STATIC_KEY_FALSE(fast_unaligned_access_speed_key);
static void modify_unaligned_access_branches(cpumask_t *mask, int weight)
{
if (cpumask_weight(mask) == weight)
- static_branch_enable_cpuslocked(&fast_misaligned_access_speed_key);
+ static_branch_enable_cpuslocked(&fast_unaligned_access_speed_key);
else
- static_branch_disable_cpuslocked(&fast_misaligned_access_speed_key);
+ static_branch_disable_cpuslocked(&fast_unaligned_access_speed_key);
}
static void set_unaligned_access_static_branches_except_cpu(int cpu)
diff --git a/arch/riscv/lib/csum.c b/arch/riscv/lib/csum.c
index af3df5274ccba..7178e0acfa228 100644
--- a/arch/riscv/lib/csum.c
+++ b/arch/riscv/lib/csum.c
@@ -3,7 +3,7 @@
* Checksum library
*
* Influenced by arch/arm64/lib/csum.c
- * Copyright (C) 2023 Rivos Inc.
+ * Copyright (C) 2023-2024 Rivos Inc.
*/
#include <linux/bitops.h>
#include <linux/compiler.h>
@@ -318,10 +318,7 @@ unsigned int do_csum(const unsigned char *buff, int len)
* branches. The largest chunk of overlap was delegated into the
* do_csum_common function.
*/
- if (static_branch_likely(&fast_misaligned_access_speed_key))
- return do_csum_no_alignment(buff, len);
-
- if (((unsigned long)buff & OFFSET_MASK) == 0)
+ if (has_fast_unaligned_accesses() || (((unsigned long)buff & OFFSET_MASK) == 0))
return do_csum_no_alignment(buff, len);
return do_csum_with_alignment(buff, len);
--
GitLab
From 313130c62cf1fc410ac8730b291fd4fde582d032 Mon Sep 17 00:00:00 2001
From: Charlie Jenkins <charlie@rivosinc.com>
Date: Fri, 8 Mar 2024 10:25:56 -0800
Subject: [PATCH 1173/2686] riscv: Only check online cpus for emulated accesses
The unaligned access checker only sets valid values for online cpus.
Check for these values on online cpus rather than on present cpus.
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Fixes: 71c54b3d169d ("riscv: report misaligned accesses emulation to hwprobe")
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240308-disable_misaligned_probe_config-v9-2-a388770ba0ce@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/kernel/traps_misaligned.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c
index 8ded225e8c5b1..c2ed4e689bf96 100644
--- a/arch/riscv/kernel/traps_misaligned.c
+++ b/arch/riscv/kernel/traps_misaligned.c
@@ -632,7 +632,7 @@ void unaligned_emulation_finish(void)
* accesses emulated since tasks requesting such control can run on any
* CPU.
*/
- for_each_present_cpu(cpu) {
+ for_each_online_cpu(cpu) {
if (per_cpu(misaligned_access_speed, cpu) !=
RISCV_HWPROBE_MISALIGNED_EMULATED) {
return;
--
GitLab
From 6e5ce7f2eae3c7c36dd1709efaac34820a34d538 Mon Sep 17 00:00:00 2001
From: Charlie Jenkins <charlie@rivosinc.com>
Date: Fri, 8 Mar 2024 10:25:57 -0800
Subject: [PATCH 1174/2686] riscv: Decouple emulated unaligned accesses from
access speed
Detecting if a system traps into the kernel on an unaligned access
can be performed separately from checking the speed of unaligned
accesses. This decoupling will make it possible to selectively enable
or disable each of these checks.
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240308-disable_misaligned_probe_config-v9-3-a388770ba0ce@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/cpufeature.h | 2 +-
arch/riscv/kernel/cpufeature.c | 25 +++++++++++++++++++++----
arch/riscv/kernel/traps_misaligned.c | 15 +++++++--------
3 files changed, 29 insertions(+), 13 deletions(-)
diff --git a/arch/riscv/include/asm/cpufeature.h b/arch/riscv/include/asm/cpufeature.h
index 466e1f591919b..6fec91845aa09 100644
--- a/arch/riscv/include/asm/cpufeature.h
+++ b/arch/riscv/include/asm/cpufeature.h
@@ -37,7 +37,7 @@ void riscv_user_isa_enable(void);
#ifdef CONFIG_RISCV_MISALIGNED
bool unaligned_ctl_available(void);
-bool check_unaligned_access_emulated(int cpu);
+bool check_unaligned_access_emulated_all_cpus(void);
void unaligned_emulation_finish(void);
#else
static inline bool unaligned_ctl_available(void)
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 7878cddccc0de..abb3a2f531061 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -719,7 +719,8 @@ static int check_unaligned_access(void *param)
void *src;
long speed = RISCV_HWPROBE_MISALIGNED_SLOW;
- if (check_unaligned_access_emulated(cpu))
+ if (IS_ENABLED(CONFIG_RISCV_MISALIGNED) &&
+ per_cpu(misaligned_access_speed, cpu) != RISCV_HWPROBE_MISALIGNED_UNKNOWN)
return 0;
/* Make an unaligned destination buffer. */
@@ -896,8 +897,8 @@ static int riscv_offline_cpu(unsigned int cpu)
return 0;
}
-/* Measure unaligned access on all CPUs present at boot in parallel. */
-static int check_unaligned_access_all_cpus(void)
+/* Measure unaligned access speed on all CPUs present at boot in parallel. */
+static int check_unaligned_access_speed_all_cpus(void)
{
unsigned int cpu;
unsigned int cpu_count = num_possible_cpus();
@@ -935,7 +936,6 @@ static int check_unaligned_access_all_cpus(void)
riscv_online_cpu, riscv_offline_cpu);
out:
- unaligned_emulation_finish();
for_each_cpu(cpu, cpu_online_mask) {
if (bufs[cpu])
__free_pages(bufs[cpu], MISALIGNED_BUFFER_ORDER);
@@ -945,6 +945,23 @@ static int check_unaligned_access_all_cpus(void)
return 0;
}
+#ifdef CONFIG_RISCV_MISALIGNED
+static int check_unaligned_access_all_cpus(void)
+{
+ bool all_cpus_emulated = check_unaligned_access_emulated_all_cpus();
+
+ if (!all_cpus_emulated)
+ return check_unaligned_access_speed_all_cpus();
+
+ return 0;
+}
+#else
+static int check_unaligned_access_all_cpus(void)
+{
+ return check_unaligned_access_speed_all_cpus();
+}
+#endif
+
arch_initcall(check_unaligned_access_all_cpus);
void riscv_user_isa_enable(void)
diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c
index c2ed4e689bf96..e55718179f428 100644
--- a/arch/riscv/kernel/traps_misaligned.c
+++ b/arch/riscv/kernel/traps_misaligned.c
@@ -596,7 +596,7 @@ int handle_misaligned_store(struct pt_regs *regs)
return 0;
}
-bool check_unaligned_access_emulated(int cpu)
+static bool check_unaligned_access_emulated(int cpu)
{
long *mas_ptr = per_cpu_ptr(&misaligned_access_speed, cpu);
unsigned long tmp_var, tmp_val;
@@ -623,7 +623,7 @@ bool check_unaligned_access_emulated(int cpu)
return misaligned_emu_detected;
}
-void unaligned_emulation_finish(void)
+bool check_unaligned_access_emulated_all_cpus(void)
{
int cpu;
@@ -632,13 +632,12 @@ void unaligned_emulation_finish(void)
* accesses emulated since tasks requesting such control can run on any
* CPU.
*/
- for_each_online_cpu(cpu) {
- if (per_cpu(misaligned_access_speed, cpu) !=
- RISCV_HWPROBE_MISALIGNED_EMULATED) {
- return;
- }
- }
+ for_each_online_cpu(cpu)
+ if (!check_unaligned_access_emulated(cpu))
+ return false;
+
unaligned_ctl = true;
+ return true;
}
bool unaligned_ctl_available(void)
--
GitLab
From f413aae96cda059635910c462ede0a8f0385897c Mon Sep 17 00:00:00 2001
From: Charlie Jenkins <charlie@rivosinc.com>
Date: Fri, 8 Mar 2024 10:25:58 -0800
Subject: [PATCH 1175/2686] riscv: Set unaligned access speed at compile time
Introduce Kconfig options to set the kernel unaligned access support.
These options provide a non-portable alternative to the runtime
unaligned access probe.
To support this, the unaligned access probing code is moved into it's
own file and gated behind a new RISCV_PROBE_UNALIGNED_ACCESS_SUPPORT
option.
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240308-disable_misaligned_probe_config-v9-4-a388770ba0ce@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/Kconfig | 58 ++++-
arch/riscv/include/asm/cpufeature.h | 24 +-
arch/riscv/kernel/Makefile | 4 +-
arch/riscv/kernel/cpufeature.c | 272 --------------------
arch/riscv/kernel/sys_hwprobe.c | 13 +
arch/riscv/kernel/traps_misaligned.c | 2 +
arch/riscv/kernel/unaligned_access_speed.c | 282 +++++++++++++++++++++
7 files changed, 359 insertions(+), 296 deletions(-)
create mode 100644 arch/riscv/kernel/unaligned_access_speed.c
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index bffbd869a0682..51481bf9364e7 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -688,27 +688,61 @@ config THREAD_SIZE_ORDER
affects irq stack size, which is equal to thread stack size.
config RISCV_MISALIGNED
- bool "Support misaligned load/store traps for kernel and userspace"
+ bool
select SYSCTL_ARCH_UNALIGN_ALLOW
- default y
help
- Say Y here if you want the kernel to embed support for misaligned
- load/store for both kernel and userspace. When disable, misaligned
- accesses will generate SIGBUS in userspace and panic in kernel.
+ Embed support for emulating misaligned loads and stores.
+
+choice
+ prompt "Unaligned Accesses Support"
+ default RISCV_PROBE_UNALIGNED_ACCESS
+ help
+ This determines the level of support for unaligned accesses. This
+ information is used by the kernel to perform optimizations. It is also
+ exposed to user space via the hwprobe syscall. The hardware will be
+ probed at boot by default.
+
+config RISCV_PROBE_UNALIGNED_ACCESS
+ bool "Probe for hardware unaligned access support"
+ select RISCV_MISALIGNED
+ help
+ During boot, the kernel will run a series of tests to determine the
+ speed of unaligned accesses. This probing will dynamically determine
+ the speed of unaligned accesses on the underlying system. If unaligned
+ memory accesses trap into the kernel as they are not supported by the
+ system, the kernel will emulate the unaligned accesses to preserve the
+ UABI.
+
+config RISCV_EMULATED_UNALIGNED_ACCESS
+ bool "Emulate unaligned access where system support is missing"
+ select RISCV_MISALIGNED
+ help
+ If unaligned memory accesses trap into the kernel as they are not
+ supported by the system, the kernel will emulate the unaligned
+ accesses to preserve the UABI. When the underlying system does support
+ unaligned accesses, the unaligned accesses are assumed to be slow.
+
+config RISCV_SLOW_UNALIGNED_ACCESS
+ bool "Assume the system supports slow unaligned memory accesses"
+ depends on NONPORTABLE
+ help
+ Assume that the system supports slow unaligned memory accesses. The
+ kernel and userspace programs may not be able to run at all on systems
+ that do not support unaligned memory accesses.
config RISCV_EFFICIENT_UNALIGNED_ACCESS
- bool "Assume the CPU supports fast unaligned memory accesses"
+ bool "Assume the system supports fast unaligned memory accesses"
depends on NONPORTABLE
select DCACHE_WORD_ACCESS if MMU
select HAVE_EFFICIENT_UNALIGNED_ACCESS
help
- Say Y here if you want the kernel to assume that the CPU supports
- efficient unaligned memory accesses. When enabled, this option
- improves the performance of the kernel on such CPUs. However, the
- kernel will run much more slowly, or will not be able to run at all,
- on CPUs that do not support efficient unaligned memory accesses.
+ Assume that the system supports fast unaligned memory accesses. When
+ enabled, this option improves the performance of the kernel on such
+ systems. However, the kernel and userspace programs will run much more
+ slowly, or will not be able to run at all, on systems that do not
+ support efficient unaligned memory accesses.
- If unsure what to do here, say N.
+endchoice
endmenu # "Platform type"
diff --git a/arch/riscv/include/asm/cpufeature.h b/arch/riscv/include/asm/cpufeature.h
index 6fec91845aa09..46061f5e97643 100644
--- a/arch/riscv/include/asm/cpufeature.h
+++ b/arch/riscv/include/asm/cpufeature.h
@@ -28,37 +28,39 @@ struct riscv_isainfo {
DECLARE_PER_CPU(struct riscv_cpuinfo, riscv_cpuinfo);
-DECLARE_PER_CPU(long, misaligned_access_speed);
-
/* Per-cpu ISA extensions. */
extern struct riscv_isainfo hart_isa[NR_CPUS];
void riscv_user_isa_enable(void);
-#ifdef CONFIG_RISCV_MISALIGNED
-bool unaligned_ctl_available(void);
+#if defined(CONFIG_RISCV_MISALIGNED)
bool check_unaligned_access_emulated_all_cpus(void);
void unaligned_emulation_finish(void);
+bool unaligned_ctl_available(void);
+DECLARE_PER_CPU(long, misaligned_access_speed);
#else
static inline bool unaligned_ctl_available(void)
{
return false;
}
-
-static inline bool check_unaligned_access_emulated(int cpu)
-{
- return false;
-}
-
-static inline void unaligned_emulation_finish(void) {}
#endif
+#if defined(CONFIG_RISCV_PROBE_UNALIGNED_ACCESS)
DECLARE_STATIC_KEY_FALSE(fast_unaligned_access_speed_key);
static __always_inline bool has_fast_unaligned_accesses(void)
{
return static_branch_likely(&fast_unaligned_access_speed_key);
}
+#else
+static __always_inline bool has_fast_unaligned_accesses(void)
+{
+ if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS))
+ return true;
+ else
+ return false;
+}
+#endif
unsigned long riscv_get_elf_hwcap(void);
diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
index f71910718053d..c8085126a6f98 100644
--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
@@ -38,7 +38,6 @@ extra-y += vmlinux.lds
obj-y += head.o
obj-y += soc.o
obj-$(CONFIG_RISCV_ALTERNATIVE) += alternative.o
-obj-y += copy-unaligned.o
obj-y += cpu.o
obj-y += cpufeature.o
obj-y += entry.o
@@ -62,6 +61,9 @@ obj-y += tests/
obj-$(CONFIG_MMU) += vdso.o vdso/
obj-$(CONFIG_RISCV_MISALIGNED) += traps_misaligned.o
+obj-$(CONFIG_RISCV_MISALIGNED) += unaligned_access_speed.o
+obj-$(CONFIG_RISCV_PROBE_UNALIGNED_ACCESS) += copy-unaligned.o
+
obj-$(CONFIG_FPU) += fpu.o
obj-$(CONFIG_RISCV_ISA_V) += vector.o
obj-$(CONFIG_RISCV_ISA_V) += kernel_mode_vector.o
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index abb3a2f531061..319670af57044 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -11,7 +11,6 @@
#include <linux/cpu.h>
#include <linux/cpuhotplug.h>
#include <linux/ctype.h>
-#include <linux/jump_label.h>
#include <linux/log2.h>
#include <linux/memory.h>
#include <linux/module.h>
@@ -21,20 +20,12 @@
#include <asm/cacheflush.h>
#include <asm/cpufeature.h>
#include <asm/hwcap.h>
-#include <asm/hwprobe.h>
#include <asm/patch.h>
#include <asm/processor.h>
#include <asm/vector.h>
-#include "copy-unaligned.h"
-
#define NUM_ALPHA_EXTS ('z' - 'a' + 1)
-#define MISALIGNED_ACCESS_JIFFIES_LG2 1
-#define MISALIGNED_BUFFER_SIZE 0x4000
-#define MISALIGNED_BUFFER_ORDER get_order(MISALIGNED_BUFFER_SIZE)
-#define MISALIGNED_COPY_SIZE ((MISALIGNED_BUFFER_SIZE / 2) - 0x80)
-
unsigned long elf_hwcap __read_mostly;
/* Host ISA bitmap */
@@ -43,11 +34,6 @@ static DECLARE_BITMAP(riscv_isa, RISCV_ISA_EXT_MAX) __read_mostly;
/* Per-cpu ISA extensions. */
struct riscv_isainfo hart_isa[NR_CPUS];
-/* Performance information */
-DEFINE_PER_CPU(long, misaligned_access_speed);
-
-static cpumask_t fast_misaligned_access;
-
/**
* riscv_isa_extension_base() - Get base extension word
*
@@ -706,264 +692,6 @@ unsigned long riscv_get_elf_hwcap(void)
return hwcap;
}
-static int check_unaligned_access(void *param)
-{
- int cpu = smp_processor_id();
- u64 start_cycles, end_cycles;
- u64 word_cycles;
- u64 byte_cycles;
- int ratio;
- unsigned long start_jiffies, now;
- struct page *page = param;
- void *dst;
- void *src;
- long speed = RISCV_HWPROBE_MISALIGNED_SLOW;
-
- if (IS_ENABLED(CONFIG_RISCV_MISALIGNED) &&
- per_cpu(misaligned_access_speed, cpu) != RISCV_HWPROBE_MISALIGNED_UNKNOWN)
- return 0;
-
- /* Make an unaligned destination buffer. */
- dst = (void *)((unsigned long)page_address(page) | 0x1);
- /* Unalign src as well, but differently (off by 1 + 2 = 3). */
- src = dst + (MISALIGNED_BUFFER_SIZE / 2);
- src += 2;
- word_cycles = -1ULL;
- /* Do a warmup. */
- __riscv_copy_words_unaligned(dst, src, MISALIGNED_COPY_SIZE);
- preempt_disable();
- start_jiffies = jiffies;
- while ((now = jiffies) == start_jiffies)
- cpu_relax();
-
- /*
- * For a fixed amount of time, repeatedly try the function, and take
- * the best time in cycles as the measurement.
- */
- while (time_before(jiffies, now + (1 << MISALIGNED_ACCESS_JIFFIES_LG2))) {
- start_cycles = get_cycles64();
- /* Ensure the CSR read can't reorder WRT to the copy. */
- mb();
- __riscv_copy_words_unaligned(dst, src, MISALIGNED_COPY_SIZE);
- /* Ensure the copy ends before the end time is snapped. */
- mb();
- end_cycles = get_cycles64();
- if ((end_cycles - start_cycles) < word_cycles)
- word_cycles = end_cycles - start_cycles;
- }
-
- byte_cycles = -1ULL;
- __riscv_copy_bytes_unaligned(dst, src, MISALIGNED_COPY_SIZE);
- start_jiffies = jiffies;
- while ((now = jiffies) == start_jiffies)
- cpu_relax();
-
- while (time_before(jiffies, now + (1 << MISALIGNED_ACCESS_JIFFIES_LG2))) {
- start_cycles = get_cycles64();
- mb();
- __riscv_copy_bytes_unaligned(dst, src, MISALIGNED_COPY_SIZE);
- mb();
- end_cycles = get_cycles64();
- if ((end_cycles - start_cycles) < byte_cycles)
- byte_cycles = end_cycles - start_cycles;
- }
-
- preempt_enable();
-
- /* Don't divide by zero. */
- if (!word_cycles || !byte_cycles) {
- pr_warn("cpu%d: rdtime lacks granularity needed to measure unaligned access speed\n",
- cpu);
-
- return 0;
- }
-
- if (word_cycles < byte_cycles)
- speed = RISCV_HWPROBE_MISALIGNED_FAST;
-
- ratio = div_u64((byte_cycles * 100), word_cycles);
- pr_info("cpu%d: Ratio of byte access time to unaligned word access is %d.%02d, unaligned accesses are %s\n",
- cpu,
- ratio / 100,
- ratio % 100,
- (speed == RISCV_HWPROBE_MISALIGNED_FAST) ? "fast" : "slow");
-
- per_cpu(misaligned_access_speed, cpu) = speed;
-
- /*
- * Set the value of fast_misaligned_access of a CPU. These operations
- * are atomic to avoid race conditions.
- */
- if (speed == RISCV_HWPROBE_MISALIGNED_FAST)
- cpumask_set_cpu(cpu, &fast_misaligned_access);
- else
- cpumask_clear_cpu(cpu, &fast_misaligned_access);
-
- return 0;
-}
-
-static void check_unaligned_access_nonboot_cpu(void *param)
-{
- unsigned int cpu = smp_processor_id();
- struct page **pages = param;
-
- if (smp_processor_id() != 0)
- check_unaligned_access(pages[cpu]);
-}
-
-DEFINE_STATIC_KEY_FALSE(fast_unaligned_access_speed_key);
-
-static void modify_unaligned_access_branches(cpumask_t *mask, int weight)
-{
- if (cpumask_weight(mask) == weight)
- static_branch_enable_cpuslocked(&fast_unaligned_access_speed_key);
- else
- static_branch_disable_cpuslocked(&fast_unaligned_access_speed_key);
-}
-
-static void set_unaligned_access_static_branches_except_cpu(int cpu)
-{
- /*
- * Same as set_unaligned_access_static_branches, except excludes the
- * given CPU from the result. When a CPU is hotplugged into an offline
- * state, this function is called before the CPU is set to offline in
- * the cpumask, and thus the CPU needs to be explicitly excluded.
- */
-
- cpumask_t fast_except_me;
-
- cpumask_and(&fast_except_me, &fast_misaligned_access, cpu_online_mask);
- cpumask_clear_cpu(cpu, &fast_except_me);
-
- modify_unaligned_access_branches(&fast_except_me, num_online_cpus() - 1);
-}
-
-static void set_unaligned_access_static_branches(void)
-{
- /*
- * This will be called after check_unaligned_access_all_cpus so the
- * result of unaligned access speed for all CPUs will be available.
- *
- * To avoid the number of online cpus changing between reading
- * cpu_online_mask and calling num_online_cpus, cpus_read_lock must be
- * held before calling this function.
- */
-
- cpumask_t fast_and_online;
-
- cpumask_and(&fast_and_online, &fast_misaligned_access, cpu_online_mask);
-
- modify_unaligned_access_branches(&fast_and_online, num_online_cpus());
-}
-
-static int lock_and_set_unaligned_access_static_branch(void)
-{
- cpus_read_lock();
- set_unaligned_access_static_branches();
- cpus_read_unlock();
-
- return 0;
-}
-
-arch_initcall_sync(lock_and_set_unaligned_access_static_branch);
-
-static int riscv_online_cpu(unsigned int cpu)
-{
- static struct page *buf;
-
- /* We are already set since the last check */
- if (per_cpu(misaligned_access_speed, cpu) != RISCV_HWPROBE_MISALIGNED_UNKNOWN)
- goto exit;
-
- buf = alloc_pages(GFP_KERNEL, MISALIGNED_BUFFER_ORDER);
- if (!buf) {
- pr_warn("Allocation failure, not measuring misaligned performance\n");
- return -ENOMEM;
- }
-
- check_unaligned_access(buf);
- __free_pages(buf, MISALIGNED_BUFFER_ORDER);
-
-exit:
- set_unaligned_access_static_branches();
-
- return 0;
-}
-
-static int riscv_offline_cpu(unsigned int cpu)
-{
- set_unaligned_access_static_branches_except_cpu(cpu);
-
- return 0;
-}
-
-/* Measure unaligned access speed on all CPUs present at boot in parallel. */
-static int check_unaligned_access_speed_all_cpus(void)
-{
- unsigned int cpu;
- unsigned int cpu_count = num_possible_cpus();
- struct page **bufs = kzalloc(cpu_count * sizeof(struct page *),
- GFP_KERNEL);
-
- if (!bufs) {
- pr_warn("Allocation failure, not measuring misaligned performance\n");
- return 0;
- }
-
- /*
- * Allocate separate buffers for each CPU so there's no fighting over
- * cache lines.
- */
- for_each_cpu(cpu, cpu_online_mask) {
- bufs[cpu] = alloc_pages(GFP_KERNEL, MISALIGNED_BUFFER_ORDER);
- if (!bufs[cpu]) {
- pr_warn("Allocation failure, not measuring misaligned performance\n");
- goto out;
- }
- }
-
- /* Check everybody except 0, who stays behind to tend jiffies. */
- on_each_cpu(check_unaligned_access_nonboot_cpu, bufs, 1);
-
- /* Check core 0. */
- smp_call_on_cpu(0, check_unaligned_access, bufs[0], true);
-
- /*
- * Setup hotplug callbacks for any new CPUs that come online or go
- * offline.
- */
- cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN, "riscv:online",
- riscv_online_cpu, riscv_offline_cpu);
-
-out:
- for_each_cpu(cpu, cpu_online_mask) {
- if (bufs[cpu])
- __free_pages(bufs[cpu], MISALIGNED_BUFFER_ORDER);
- }
-
- kfree(bufs);
- return 0;
-}
-
-#ifdef CONFIG_RISCV_MISALIGNED
-static int check_unaligned_access_all_cpus(void)
-{
- bool all_cpus_emulated = check_unaligned_access_emulated_all_cpus();
-
- if (!all_cpus_emulated)
- return check_unaligned_access_speed_all_cpus();
-
- return 0;
-}
-#else
-static int check_unaligned_access_all_cpus(void)
-{
- return check_unaligned_access_speed_all_cpus();
-}
-#endif
-
-arch_initcall(check_unaligned_access_all_cpus);
-
void riscv_user_isa_enable(void)
{
if (riscv_cpu_has_extension_unlikely(smp_processor_id(), RISCV_ISA_EXT_ZICBOZ))
diff --git a/arch/riscv/kernel/sys_hwprobe.c b/arch/riscv/kernel/sys_hwprobe.c
index a7c56b41efd24..8cae41a502dd4 100644
--- a/arch/riscv/kernel/sys_hwprobe.c
+++ b/arch/riscv/kernel/sys_hwprobe.c
@@ -147,6 +147,7 @@ static bool hwprobe_ext0_has(const struct cpumask *cpus, unsigned long ext)
return (pair.value & ext);
}
+#if defined(CONFIG_RISCV_PROBE_UNALIGNED_ACCESS)
static u64 hwprobe_misaligned(const struct cpumask *cpus)
{
int cpu;
@@ -169,6 +170,18 @@ static u64 hwprobe_misaligned(const struct cpumask *cpus)
return perf;
}
+#else
+static u64 hwprobe_misaligned(const struct cpumask *cpus)
+{
+ if (IS_ENABLED(CONFIG_RISCV_EFFICIENT_UNALIGNED_ACCESS))
+ return RISCV_HWPROBE_MISALIGNED_FAST;
+
+ if (IS_ENABLED(CONFIG_RISCV_EMULATED_UNALIGNED_ACCESS) && unaligned_ctl_available())
+ return RISCV_HWPROBE_MISALIGNED_EMULATED;
+
+ return RISCV_HWPROBE_MISALIGNED_SLOW;
+}
+#endif
static void hwprobe_one_pair(struct riscv_hwprobe *pair,
const struct cpumask *cpus)
diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c
index e55718179f428..2adb7c3e4dd5b 100644
--- a/arch/riscv/kernel/traps_misaligned.c
+++ b/arch/riscv/kernel/traps_misaligned.c
@@ -413,7 +413,9 @@ int handle_misaligned_load(struct pt_regs *regs)
perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, regs, addr);
+#ifdef CONFIG_RISCV_PROBE_UNALIGNED_ACCESS
*this_cpu_ptr(&misaligned_access_speed) = RISCV_HWPROBE_MISALIGNED_EMULATED;
+#endif
if (!unaligned_enabled)
return -1;
diff --git a/arch/riscv/kernel/unaligned_access_speed.c b/arch/riscv/kernel/unaligned_access_speed.c
new file mode 100644
index 0000000000000..52264ea4f0bd7
--- /dev/null
+++ b/arch/riscv/kernel/unaligned_access_speed.c
@@ -0,0 +1,282 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2024 Rivos Inc.
+ */
+
+#include <linux/cpu.h>
+#include <linux/cpumask.h>
+#include <linux/jump_label.h>
+#include <linux/mm.h>
+#include <linux/smp.h>
+#include <linux/types.h>
+#include <asm/cpufeature.h>
+#include <asm/hwprobe.h>
+
+#include "copy-unaligned.h"
+
+#define MISALIGNED_ACCESS_JIFFIES_LG2 1
+#define MISALIGNED_BUFFER_SIZE 0x4000
+#define MISALIGNED_BUFFER_ORDER get_order(MISALIGNED_BUFFER_SIZE)
+#define MISALIGNED_COPY_SIZE ((MISALIGNED_BUFFER_SIZE / 2) - 0x80)
+
+DEFINE_PER_CPU(long, misaligned_access_speed);
+
+#ifdef CONFIG_RISCV_PROBE_UNALIGNED_ACCESS
+static cpumask_t fast_misaligned_access;
+static int check_unaligned_access(void *param)
+{
+ int cpu = smp_processor_id();
+ u64 start_cycles, end_cycles;
+ u64 word_cycles;
+ u64 byte_cycles;
+ int ratio;
+ unsigned long start_jiffies, now;
+ struct page *page = param;
+ void *dst;
+ void *src;
+ long speed = RISCV_HWPROBE_MISALIGNED_SLOW;
+
+ if (per_cpu(misaligned_access_speed, cpu) != RISCV_HWPROBE_MISALIGNED_UNKNOWN)
+ return 0;
+
+ /* Make an unaligned destination buffer. */
+ dst = (void *)((unsigned long)page_address(page) | 0x1);
+ /* Unalign src as well, but differently (off by 1 + 2 = 3). */
+ src = dst + (MISALIGNED_BUFFER_SIZE / 2);
+ src += 2;
+ word_cycles = -1ULL;
+ /* Do a warmup. */
+ __riscv_copy_words_unaligned(dst, src, MISALIGNED_COPY_SIZE);
+ preempt_disable();
+ start_jiffies = jiffies;
+ while ((now = jiffies) == start_jiffies)
+ cpu_relax();
+
+ /*
+ * For a fixed amount of time, repeatedly try the function, and take
+ * the best time in cycles as the measurement.
+ */
+ while (time_before(jiffies, now + (1 << MISALIGNED_ACCESS_JIFFIES_LG2))) {
+ start_cycles = get_cycles64();
+ /* Ensure the CSR read can't reorder WRT to the copy. */
+ mb();
+ __riscv_copy_words_unaligned(dst, src, MISALIGNED_COPY_SIZE);
+ /* Ensure the copy ends before the end time is snapped. */
+ mb();
+ end_cycles = get_cycles64();
+ if ((end_cycles - start_cycles) < word_cycles)
+ word_cycles = end_cycles - start_cycles;
+ }
+
+ byte_cycles = -1ULL;
+ __riscv_copy_bytes_unaligned(dst, src, MISALIGNED_COPY_SIZE);
+ start_jiffies = jiffies;
+ while ((now = jiffies) == start_jiffies)
+ cpu_relax();
+
+ while (time_before(jiffies, now + (1 << MISALIGNED_ACCESS_JIFFIES_LG2))) {
+ start_cycles = get_cycles64();
+ mb();
+ __riscv_copy_bytes_unaligned(dst, src, MISALIGNED_COPY_SIZE);
+ mb();
+ end_cycles = get_cycles64();
+ if ((end_cycles - start_cycles) < byte_cycles)
+ byte_cycles = end_cycles - start_cycles;
+ }
+
+ preempt_enable();
+
+ /* Don't divide by zero. */
+ if (!word_cycles || !byte_cycles) {
+ pr_warn("cpu%d: rdtime lacks granularity needed to measure unaligned access speed\n",
+ cpu);
+
+ return 0;
+ }
+
+ if (word_cycles < byte_cycles)
+ speed = RISCV_HWPROBE_MISALIGNED_FAST;
+
+ ratio = div_u64((byte_cycles * 100), word_cycles);
+ pr_info("cpu%d: Ratio of byte access time to unaligned word access is %d.%02d, unaligned accesses are %s\n",
+ cpu,
+ ratio / 100,
+ ratio % 100,
+ (speed == RISCV_HWPROBE_MISALIGNED_FAST) ? "fast" : "slow");
+
+ per_cpu(misaligned_access_speed, cpu) = speed;
+
+ /*
+ * Set the value of fast_misaligned_access of a CPU. These operations
+ * are atomic to avoid race conditions.
+ */
+ if (speed == RISCV_HWPROBE_MISALIGNED_FAST)
+ cpumask_set_cpu(cpu, &fast_misaligned_access);
+ else
+ cpumask_clear_cpu(cpu, &fast_misaligned_access);
+
+ return 0;
+}
+
+static void check_unaligned_access_nonboot_cpu(void *param)
+{
+ unsigned int cpu = smp_processor_id();
+ struct page **pages = param;
+
+ if (smp_processor_id() != 0)
+ check_unaligned_access(pages[cpu]);
+}
+
+DEFINE_STATIC_KEY_FALSE(fast_unaligned_access_speed_key);
+
+static void modify_unaligned_access_branches(cpumask_t *mask, int weight)
+{
+ if (cpumask_weight(mask) == weight)
+ static_branch_enable_cpuslocked(&fast_unaligned_access_speed_key);
+ else
+ static_branch_disable_cpuslocked(&fast_unaligned_access_speed_key);
+}
+
+static void set_unaligned_access_static_branches_except_cpu(int cpu)
+{
+ /*
+ * Same as set_unaligned_access_static_branches, except excludes the
+ * given CPU from the result. When a CPU is hotplugged into an offline
+ * state, this function is called before the CPU is set to offline in
+ * the cpumask, and thus the CPU needs to be explicitly excluded.
+ */
+
+ cpumask_t fast_except_me;
+
+ cpumask_and(&fast_except_me, &fast_misaligned_access, cpu_online_mask);
+ cpumask_clear_cpu(cpu, &fast_except_me);
+
+ modify_unaligned_access_branches(&fast_except_me, num_online_cpus() - 1);
+}
+
+static void set_unaligned_access_static_branches(void)
+{
+ /*
+ * This will be called after check_unaligned_access_all_cpus so the
+ * result of unaligned access speed for all CPUs will be available.
+ *
+ * To avoid the number of online cpus changing between reading
+ * cpu_online_mask and calling num_online_cpus, cpus_read_lock must be
+ * held before calling this function.
+ */
+
+ cpumask_t fast_and_online;
+
+ cpumask_and(&fast_and_online, &fast_misaligned_access, cpu_online_mask);
+
+ modify_unaligned_access_branches(&fast_and_online, num_online_cpus());
+}
+
+static int lock_and_set_unaligned_access_static_branch(void)
+{
+ cpus_read_lock();
+ set_unaligned_access_static_branches();
+ cpus_read_unlock();
+
+ return 0;
+}
+
+arch_initcall_sync(lock_and_set_unaligned_access_static_branch);
+
+static int riscv_online_cpu(unsigned int cpu)
+{
+ static struct page *buf;
+
+ /* We are already set since the last check */
+ if (per_cpu(misaligned_access_speed, cpu) != RISCV_HWPROBE_MISALIGNED_UNKNOWN)
+ goto exit;
+
+ buf = alloc_pages(GFP_KERNEL, MISALIGNED_BUFFER_ORDER);
+ if (!buf) {
+ pr_warn("Allocation failure, not measuring misaligned performance\n");
+ return -ENOMEM;
+ }
+
+ check_unaligned_access(buf);
+ __free_pages(buf, MISALIGNED_BUFFER_ORDER);
+
+exit:
+ set_unaligned_access_static_branches();
+
+ return 0;
+}
+
+static int riscv_offline_cpu(unsigned int cpu)
+{
+ set_unaligned_access_static_branches_except_cpu(cpu);
+
+ return 0;
+}
+
+/* Measure unaligned access speed on all CPUs present at boot in parallel. */
+static int check_unaligned_access_speed_all_cpus(void)
+{
+ unsigned int cpu;
+ unsigned int cpu_count = num_possible_cpus();
+ struct page **bufs = kzalloc(cpu_count * sizeof(struct page *),
+ GFP_KERNEL);
+
+ if (!bufs) {
+ pr_warn("Allocation failure, not measuring misaligned performance\n");
+ return 0;
+ }
+
+ /*
+ * Allocate separate buffers for each CPU so there's no fighting over
+ * cache lines.
+ */
+ for_each_cpu(cpu, cpu_online_mask) {
+ bufs[cpu] = alloc_pages(GFP_KERNEL, MISALIGNED_BUFFER_ORDER);
+ if (!bufs[cpu]) {
+ pr_warn("Allocation failure, not measuring misaligned performance\n");
+ goto out;
+ }
+ }
+
+ /* Check everybody except 0, who stays behind to tend jiffies. */
+ on_each_cpu(check_unaligned_access_nonboot_cpu, bufs, 1);
+
+ /* Check core 0. */
+ smp_call_on_cpu(0, check_unaligned_access, bufs[0], true);
+
+ /*
+ * Setup hotplug callbacks for any new CPUs that come online or go
+ * offline.
+ */
+ cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN, "riscv:online",
+ riscv_online_cpu, riscv_offline_cpu);
+
+out:
+ for_each_cpu(cpu, cpu_online_mask) {
+ if (bufs[cpu])
+ __free_pages(bufs[cpu], MISALIGNED_BUFFER_ORDER);
+ }
+
+ kfree(bufs);
+ return 0;
+}
+
+static int check_unaligned_access_all_cpus(void)
+{
+ bool all_cpus_emulated = check_unaligned_access_emulated_all_cpus();
+
+ if (!all_cpus_emulated)
+ return check_unaligned_access_speed_all_cpus();
+
+ return 0;
+}
+#else /* CONFIG_RISCV_PROBE_UNALIGNED_ACCESS */
+static int check_unaligned_access_all_cpus(void)
+{
+ check_unaligned_access_emulated_all_cpus();
+
+ return 0;
+}
+#endif
+
+arch_initcall(check_unaligned_access_all_cpus);
--
GitLab
From 04867a7a33324c9c562ee7949dbcaab7aaad1fb4 Mon Sep 17 00:00:00 2001
From: Will Deacon <will@kernel.org>
Date: Fri, 8 Mar 2024 15:28:24 +0000
Subject: [PATCH 1176/2686] swiotlb: Fix double-allocation of slots due to
broken alignment handling
Commit bbb73a103fbb ("swiotlb: fix a braino in the alignment check fix"),
which was a fix for commit 0eee5ae10256 ("swiotlb: fix slot alignment
checks"), causes a functional regression with vsock in a virtual machine
using bouncing via a restricted DMA SWIOTLB pool.
When virtio allocates the virtqueues for the vsock device using
dma_alloc_coherent(), the SWIOTLB search can return page-unaligned
allocations if 'area->index' was left unaligned by a previous allocation
from the buffer:
# Final address in brackets is the SWIOTLB address returned to the caller
| virtio-pci 0000:00:07.0: orig_addr 0x0 alloc_size 0x2000, iotlb_align_mask 0x800 stride 0x2: got slot 1645-1649/7168 (0x98326800)
| virtio-pci 0000:00:07.0: orig_addr 0x0 alloc_size 0x2000, iotlb_align_mask 0x800 stride 0x2: got slot 1649-1653/7168 (0x98328800)
| virtio-pci 0000:00:07.0: orig_addr 0x0 alloc_size 0x2000, iotlb_align_mask 0x800 stride 0x2: got slot 1653-1657/7168 (0x9832a800)
This ends badly (typically buffer corruption and/or a hang) because
swiotlb_alloc() is expecting a page-aligned allocation and so blindly
returns a pointer to the 'struct page' corresponding to the allocation,
therefore double-allocating the first half (2KiB slot) of the 4KiB page.
Fix the problem by treating the allocation alignment separately to any
additional alignment requirements from the device, using the maximum
of the two as the stride to search the buffer slots and taking care
to ensure a minimum of page-alignment for buffers larger than a page.
This also resolves swiotlb allocation failures occuring due to the
inclusion of ~PAGE_MASK in 'iotlb_align_mask' for large allocations and
resulting in alignment requirements exceeding swiotlb_max_mapping_size().
Fixes: bbb73a103fbb ("swiotlb: fix a braino in the alignment check fix")
Fixes: 0eee5ae10256 ("swiotlb: fix slot alignment checks")
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Petr Tesarik <petr.tesarik1@huawei-partners.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
kernel/dma/swiotlb.c | 26 ++++++++++++++------------
1 file changed, 14 insertions(+), 12 deletions(-)
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index 77974cea3e691..980a7ec70418e 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -1004,7 +1004,7 @@ static int swiotlb_search_pool_area(struct device *dev, struct io_tlb_pool *pool
phys_to_dma_unencrypted(dev, pool->start) & boundary_mask;
unsigned long max_slots = get_max_slots(boundary_mask);
unsigned int iotlb_align_mask =
- dma_get_min_align_mask(dev) | alloc_align_mask;
+ dma_get_min_align_mask(dev) & ~(IO_TLB_SIZE - 1);
unsigned int nslots = nr_slots(alloc_size), stride;
unsigned int offset = swiotlb_align_offset(dev, orig_addr);
unsigned int index, slots_checked, count = 0, i;
@@ -1016,18 +1016,17 @@ static int swiotlb_search_pool_area(struct device *dev, struct io_tlb_pool *pool
BUG_ON(area_index >= pool->nareas);
/*
- * For allocations of PAGE_SIZE or larger only look for page aligned
- * allocations.
+ * For mappings with an alignment requirement don't bother looping to
+ * unaligned slots once we found an aligned one.
*/
- if (alloc_size >= PAGE_SIZE)
- iotlb_align_mask |= ~PAGE_MASK;
- iotlb_align_mask &= ~(IO_TLB_SIZE - 1);
+ stride = get_max_slots(max(alloc_align_mask, iotlb_align_mask));
/*
- * For mappings with an alignment requirement don't bother looping to
- * unaligned slots once we found an aligned one.
+ * For allocations of PAGE_SIZE or larger only look for page aligned
+ * allocations.
*/
- stride = (iotlb_align_mask >> IO_TLB_SHIFT) + 1;
+ if (alloc_size >= PAGE_SIZE)
+ stride = umax(stride, PAGE_SHIFT - IO_TLB_SHIFT + 1);
spin_lock_irqsave(&area->lock, flags);
if (unlikely(nslots > pool->area_nslabs - area->used))
@@ -1037,11 +1036,14 @@ static int swiotlb_search_pool_area(struct device *dev, struct io_tlb_pool *pool
index = area->index;
for (slots_checked = 0; slots_checked < pool->area_nslabs; ) {
+ phys_addr_t tlb_addr;
+
slot_index = slot_base + index;
+ tlb_addr = slot_addr(tbl_dma_addr, slot_index);
- if (orig_addr &&
- (slot_addr(tbl_dma_addr, slot_index) &
- iotlb_align_mask) != (orig_addr & iotlb_align_mask)) {
+ if ((tlb_addr & alloc_align_mask) ||
+ (orig_addr && (tlb_addr & iotlb_align_mask) !=
+ (orig_addr & iotlb_align_mask))) {
index = wrap_area_index(pool, index + 1);
slots_checked++;
continue;
--
GitLab
From 823353b7cf0ea9dfb09f5181d5fb2825d727200b Mon Sep 17 00:00:00 2001
From: Will Deacon <will@kernel.org>
Date: Fri, 8 Mar 2024 15:28:25 +0000
Subject: [PATCH 1177/2686] swiotlb: Enforce page alignment in swiotlb_alloc()
When allocating pages from a restricted DMA pool in swiotlb_alloc(),
the buffer address is blindly converted to a 'struct page *' that is
returned to the caller. In the unlikely event of an allocation bug,
page-unaligned addresses are not detected and slots can silently be
double-allocated.
Add a simple check of the buffer alignment in swiotlb_alloc() to make
debugging a little easier if something has gone wonky.
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Petr Tesarik <petr.tesarik1@huawei-partners.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
kernel/dma/swiotlb.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index 980a7ec70418e..88114433f1e69 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -1689,6 +1689,12 @@ struct page *swiotlb_alloc(struct device *dev, size_t size)
return NULL;
tlb_addr = slot_addr(pool->start, index);
+ if (unlikely(!PAGE_ALIGNED(tlb_addr))) {
+ dev_WARN_ONCE(dev, 1, "Cannot allocate pages from non page-aligned swiotlb addr 0x%pa.\n",
+ &tlb_addr);
+ swiotlb_release_slots(dev, tlb_addr);
+ return NULL;
+ }
return pfn_to_page(PFN_DOWN(tlb_addr));
}
--
GitLab
From cbf53074a528191df82b4dba1e3d21191102255e Mon Sep 17 00:00:00 2001
From: Will Deacon <will@kernel.org>
Date: Fri, 8 Mar 2024 15:28:26 +0000
Subject: [PATCH 1178/2686] swiotlb: Honour dma_alloc_coherent() alignment in
swiotlb_alloc()
core-api/dma-api-howto.rst states the following properties of
dma_alloc_coherent():
| The CPU virtual address and the DMA address are both guaranteed to
| be aligned to the smallest PAGE_SIZE order which is greater than or
| equal to the requested size.
However, swiotlb_alloc() passes zero for the 'alloc_align_mask'
parameter of swiotlb_find_slots() and so this property is not upheld.
Instead, allocations larger than a page are aligned to PAGE_SIZE,
Calculate the mask corresponding to the page order suitable for holding
the allocation and pass that to swiotlb_find_slots().
Fixes: e81e99bacc9f ("swiotlb: Support aligned swiotlb buffers")
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Petr Tesarik <petr.tesarik1@huawei-partners.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
kernel/dma/swiotlb.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index 88114433f1e69..a3645a9ae68e8 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -1679,12 +1679,14 @@ struct page *swiotlb_alloc(struct device *dev, size_t size)
struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
struct io_tlb_pool *pool;
phys_addr_t tlb_addr;
+ unsigned int align;
int index;
if (!mem)
return NULL;
- index = swiotlb_find_slots(dev, 0, size, 0, &pool);
+ align = (1 << (get_order(size) + PAGE_SHIFT)) - 1;
+ index = swiotlb_find_slots(dev, 0, size, align, &pool);
if (index == -1)
return NULL;
--
GitLab
From 51b30ecb73b481d5fac6ccf2ecb4a309c9ee3310 Mon Sep 17 00:00:00 2001
From: Will Deacon <will@kernel.org>
Date: Fri, 8 Mar 2024 15:28:27 +0000
Subject: [PATCH 1179/2686] swiotlb: Fix alignment checks when both allocation
and DMA masks are present
Nicolin reports that swiotlb buffer allocations fail for an NVME device
behind an IOMMU using 64KiB pages. This is because we end up with a
minimum allocation alignment of 64KiB (for the IOMMU to map the buffer
safely) but a minimum DMA alignment mask corresponding to a 4KiB NVME
page (i.e. preserving the 4KiB page offset from the original allocation).
If the original address is not 4KiB-aligned, the allocation will fail
because swiotlb_search_pool_area() erroneously compares these unmasked
bits with the 64KiB-aligned candidate allocation.
Tweak swiotlb_search_pool_area() so that the DMA alignment mask is
reduced based on the required alignment of the allocation.
Fixes: 82612d66d51d ("iommu: Allow the dma-iommu api to use bounce buffers")
Link: https://lore.kernel.org/r/cover.1707851466.git.nicolinc@nvidia.com
Reported-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
kernel/dma/swiotlb.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index a3645a9ae68e8..f212943e51ca5 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -1003,8 +1003,7 @@ static int swiotlb_search_pool_area(struct device *dev, struct io_tlb_pool *pool
dma_addr_t tbl_dma_addr =
phys_to_dma_unencrypted(dev, pool->start) & boundary_mask;
unsigned long max_slots = get_max_slots(boundary_mask);
- unsigned int iotlb_align_mask =
- dma_get_min_align_mask(dev) & ~(IO_TLB_SIZE - 1);
+ unsigned int iotlb_align_mask = dma_get_min_align_mask(dev);
unsigned int nslots = nr_slots(alloc_size), stride;
unsigned int offset = swiotlb_align_offset(dev, orig_addr);
unsigned int index, slots_checked, count = 0, i;
@@ -1015,6 +1014,14 @@ static int swiotlb_search_pool_area(struct device *dev, struct io_tlb_pool *pool
BUG_ON(!nslots);
BUG_ON(area_index >= pool->nareas);
+ /*
+ * Ensure that the allocation is at least slot-aligned and update
+ * 'iotlb_align_mask' to ignore bits that will be preserved when
+ * offsetting into the allocation.
+ */
+ alloc_align_mask |= (IO_TLB_SIZE - 1);
+ iotlb_align_mask &= ~alloc_align_mask;
+
/*
* For mappings with an alignment requirement don't bother looping to
* unaligned slots once we found an aligned one.
--
GitLab
From afc5aa46ed560f01ceda897c053c6a40c77ce5c4 Mon Sep 17 00:00:00 2001
From: Nicolin Chen <nicolinc@nvidia.com>
Date: Fri, 8 Mar 2024 15:28:28 +0000
Subject: [PATCH 1180/2686] iommu/dma: Force swiotlb_max_mapping_size on an
untrusted device
The swiotlb does not support a mapping size > swiotlb_max_mapping_size().
On the other hand, with a 64KB PAGE_SIZE configuration, it's observed that
an NVME device can map a size between 300KB~512KB, which certainly failed
the swiotlb mappings, though the default pool of swiotlb has many slots:
systemd[1]: Started Journal Service.
=> nvme 0000:00:01.0: swiotlb buffer is full (sz: 327680 bytes), total 32768 (slots), used 32 (slots)
note: journal-offline[392] exited with irqs disabled
note: journal-offline[392] exited with preempt_count 1
Call trace:
[ 3.099918] swiotlb_tbl_map_single+0x214/0x240
[ 3.099921] iommu_dma_map_page+0x218/0x328
[ 3.099928] dma_map_page_attrs+0x2e8/0x3a0
[ 3.101985] nvme_prep_rq.part.0+0x408/0x878 [nvme]
[ 3.102308] nvme_queue_rqs+0xc0/0x300 [nvme]
[ 3.102313] blk_mq_flush_plug_list.part.0+0x57c/0x600
[ 3.102321] blk_add_rq_to_plug+0x180/0x2a0
[ 3.102323] blk_mq_submit_bio+0x4c8/0x6b8
[ 3.103463] __submit_bio+0x44/0x220
[ 3.103468] submit_bio_noacct_nocheck+0x2b8/0x360
[ 3.103470] submit_bio_noacct+0x180/0x6c8
[ 3.103471] submit_bio+0x34/0x130
[ 3.103473] ext4_bio_write_folio+0x5a4/0x8c8
[ 3.104766] mpage_submit_folio+0xa0/0x100
[ 3.104769] mpage_map_and_submit_buffers+0x1a4/0x400
[ 3.104771] ext4_do_writepages+0x6a0/0xd78
[ 3.105615] ext4_writepages+0x80/0x118
[ 3.105616] do_writepages+0x90/0x1e8
[ 3.105619] filemap_fdatawrite_wbc+0x94/0xe0
[ 3.105622] __filemap_fdatawrite_range+0x68/0xb8
[ 3.106656] file_write_and_wait_range+0x84/0x120
[ 3.106658] ext4_sync_file+0x7c/0x4c0
[ 3.106660] vfs_fsync_range+0x3c/0xa8
[ 3.106663] do_fsync+0x44/0xc0
Since untrusted devices might go down the swiotlb pathway with dma-iommu,
these devices should not map a size larger than swiotlb_max_mapping_size.
To fix this bug, add iommu_dma_max_mapping_size() for untrusted devices to
take into account swiotlb_max_mapping_size() v.s. iova_rcache_range() from
the iommu_dma_opt_mapping_size().
Fixes: 82612d66d51d ("iommu: Allow the dma-iommu api to use bounce buffers")
Link: https://lore.kernel.org/r/ee51a3a5c32cf885b18f6416171802669f4a718a.1707851466.git.nicolinc@nvidia.com
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
[will: Drop redundant is_swiotlb_active(dev) check]
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/iommu/dma-iommu.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 50ccc4f1ef81c..639efa0c40721 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -1706,6 +1706,14 @@ static size_t iommu_dma_opt_mapping_size(void)
return iova_rcache_range();
}
+static size_t iommu_dma_max_mapping_size(struct device *dev)
+{
+ if (dev_is_untrusted(dev))
+ return swiotlb_max_mapping_size(dev);
+
+ return SIZE_MAX;
+}
+
static const struct dma_map_ops iommu_dma_ops = {
.flags = DMA_F_PCI_P2PDMA_SUPPORTED,
.alloc = iommu_dma_alloc,
@@ -1728,6 +1736,7 @@ static const struct dma_map_ops iommu_dma_ops = {
.unmap_resource = iommu_dma_unmap_resource,
.get_merge_boundary = iommu_dma_get_merge_boundary,
.opt_mapping_size = iommu_dma_opt_mapping_size,
+ .max_mapping_size = iommu_dma_max_mapping_size,
};
/*
--
GitLab
From 14cebf689a78e8a1c041138af221ef6eac6bc7da Mon Sep 17 00:00:00 2001
From: Will Deacon <will@kernel.org>
Date: Fri, 8 Mar 2024 15:28:29 +0000
Subject: [PATCH 1181/2686] swiotlb: Reinstate page-alignment for mappings >=
PAGE_SIZE
For swiotlb allocations >= PAGE_SIZE, the slab search historically
adjusted the stride to avoid checking unaligned slots. This had the
side-effect of aligning large mapping requests to PAGE_SIZE, but that
was broken by 0eee5ae10256 ("swiotlb: fix slot alignment checks").
Since this alignment could be relied upon drivers, reinstate PAGE_SIZE
alignment for swiotlb mappings >= PAGE_SIZE.
Reported-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Petr Tesarik <petr.tesarik1@huawei-partners.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
kernel/dma/swiotlb.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index f212943e51ca5..86fe172b59582 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -1014,6 +1014,17 @@ static int swiotlb_search_pool_area(struct device *dev, struct io_tlb_pool *pool
BUG_ON(!nslots);
BUG_ON(area_index >= pool->nareas);
+ /*
+ * Historically, swiotlb allocations >= PAGE_SIZE were guaranteed to be
+ * page-aligned in the absence of any other alignment requirements.
+ * 'alloc_align_mask' was later introduced to specify the alignment
+ * explicitly, however this is passed as zero for streaming mappings
+ * and so we preserve the old behaviour there in case any drivers are
+ * relying on it.
+ */
+ if (!alloc_align_mask && !iotlb_align_mask && alloc_size >= PAGE_SIZE)
+ alloc_align_mask = PAGE_SIZE - 1;
+
/*
* Ensure that the allocation is at least slot-aligned and update
* 'iotlb_align_mask' to ignore bits that will be preserved when
@@ -1028,13 +1039,6 @@ static int swiotlb_search_pool_area(struct device *dev, struct io_tlb_pool *pool
*/
stride = get_max_slots(max(alloc_align_mask, iotlb_align_mask));
- /*
- * For allocations of PAGE_SIZE or larger only look for page aligned
- * allocations.
- */
- if (alloc_size >= PAGE_SIZE)
- stride = umax(stride, PAGE_SHIFT - IO_TLB_SHIFT + 1);
-
spin_lock_irqsave(&area->lock, flags);
if (unlikely(nslots > pool->area_nslabs - area->used))
goto not_found;
--
GitLab
From 99f5819bee676ca70114423b0b29f43474b5fadf Mon Sep 17 00:00:00 2001
From: Muhammad Usama Anjum <usama.anjum@collabora.com>
Date: Mon, 4 Mar 2024 20:59:23 +0500
Subject: [PATCH 1182/2686] selftests/exec: binfmt_script: Add the overall
result line according to TAP
The following line is missing from the test's execution. Add it to make
it fully TAP conformant:
# Totals: pass:27 fail:0 xfail:0 xpass:0 skip:0 error:0
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20240304155928.1818928-1-usama.anjum@collabora.com
Signed-off-by: Kees Cook <keescook@chromium.org>
---
tools/testing/selftests/exec/binfmt_script.py | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/exec/binfmt_script.py b/tools/testing/selftests/exec/binfmt_script.py
index 05f94a741c7aa..2c575a2c0eab4 100755
--- a/tools/testing/selftests/exec/binfmt_script.py
+++ b/tools/testing/selftests/exec/binfmt_script.py
@@ -16,6 +16,8 @@ SIZE=256
NAME_MAX=int(subprocess.check_output(["getconf", "NAME_MAX", "."]))
test_num=0
+pass_num=0
+fail_num=0
code='''#!/usr/bin/perl
print "Executed interpreter! Args:\n";
@@ -42,7 +44,7 @@ foreach my $a (@ARGV) {
# ...
def test(name, size, good=True, leading="", root="./", target="/perl",
fill="A", arg="", newline="\n", hashbang="#!"):
- global test_num, tests, NAME_MAX
+ global test_num, pass_num, fail_num, tests, NAME_MAX
test_num += 1
if test_num > tests:
raise ValueError("more binfmt_script tests than expected! (want %d, expected %d)"
@@ -80,16 +82,20 @@ def test(name, size, good=True, leading="", root="./", target="/perl",
if good:
print("ok %d - binfmt_script %s (successful good exec)"
% (test_num, name))
+ pass_num += 1
else:
print("not ok %d - binfmt_script %s succeeded when it should have failed"
% (test_num, name))
+ fail_num = 1
else:
if good:
print("not ok %d - binfmt_script %s failed when it should have succeeded (rc:%d)"
% (test_num, name, proc.returncode))
+ fail_num = 1
else:
print("ok %d - binfmt_script %s (correctly failed bad exec)"
% (test_num, name))
+ pass_num += 1
# Clean up crazy binaries
os.unlink(script)
@@ -166,6 +172,8 @@ test(name="two-under-trunc-arg", size=int(SIZE/2), arg=" ")
test(name="two-under-leading", size=int(SIZE/2), leading=" ")
test(name="two-under-lead-trunc-arg", size=int(SIZE/2), leading=" ", arg=" ")
+print("# Totals: pass:%d fail:%d xfail:0 xpass:0 skip:0 error:0" % (pass_num, fail_num))
+
if test_num != tests:
raise ValueError("fewer binfmt_script tests than expected! (ran %d, expected %d"
% (test_num, tests))
--
GitLab
From c4095067736b7ed50316a2bc7c9577941e87ad45 Mon Sep 17 00:00:00 2001
From: Muhammad Usama Anjum <usama.anjum@collabora.com>
Date: Mon, 4 Mar 2024 20:59:24 +0500
Subject: [PATCH 1183/2686] selftests/exec: load_address: conform test to TAP
format output
Conform the layout, informational and status messages to TAP. No
functional change is intended other than the layout of output messages.
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20240304155928.1818928-2-usama.anjum@collabora.com
Signed-off-by: Kees Cook <keescook@chromium.org>
---
tools/testing/selftests/exec/load_address.c | 34 +++++++++------------
1 file changed, 15 insertions(+), 19 deletions(-)
diff --git a/tools/testing/selftests/exec/load_address.c b/tools/testing/selftests/exec/load_address.c
index d487c2f6a6150..17e3207d34ae7 100644
--- a/tools/testing/selftests/exec/load_address.c
+++ b/tools/testing/selftests/exec/load_address.c
@@ -5,6 +5,7 @@
#include <link.h>
#include <stdio.h>
#include <stdlib.h>
+#include "../kselftest.h"
struct Statistics {
unsigned long long load_address;
@@ -41,28 +42,23 @@ int main(int argc, char **argv)
unsigned long long misalign;
int ret;
+ ksft_print_header();
+ ksft_set_plan(1);
+
ret = dl_iterate_phdr(ExtractStatistics, &extracted);
- if (ret != 1) {
- fprintf(stderr, "FAILED\n");
- return 1;
- }
+ if (ret != 1)
+ ksft_exit_fail_msg("FAILED: dl_iterate_phdr\n");
- if (extracted.alignment == 0) {
- fprintf(stderr, "No alignment found\n");
- return 1;
- } else if (extracted.alignment & (extracted.alignment - 1)) {
- fprintf(stderr, "Alignment is not a power of 2\n");
- return 1;
- }
+ if (extracted.alignment == 0)
+ ksft_exit_fail_msg("FAILED: No alignment found\n");
+ else if (extracted.alignment & (extracted.alignment - 1))
+ ksft_exit_fail_msg("FAILED: Alignment is not a power of 2\n");
misalign = extracted.load_address & (extracted.alignment - 1);
- if (misalign) {
- printf("alignment = %llu, load_address = %llu\n",
- extracted.alignment, extracted.load_address);
- fprintf(stderr, "FAILED\n");
- return 1;
- }
+ if (misalign)
+ ksft_exit_fail_msg("FAILED: alignment = %llu, load_address = %llu\n",
+ extracted.alignment, extracted.load_address);
- fprintf(stderr, "PASS\n");
- return 0;
+ ksft_test_result_pass("Completed\n");
+ ksft_finished();
}
--
GitLab
From 1d0e51b24c8383450e631a0110e99d7cf9c4a762 Mon Sep 17 00:00:00 2001
From: Muhammad Usama Anjum <usama.anjum@collabora.com>
Date: Mon, 4 Mar 2024 20:59:25 +0500
Subject: [PATCH 1184/2686] selftests/exec: recursion-depth: conform test to
TAP format output
Conform the layout, informational and status messages to TAP. No
functional change is intended other than the layout of output messages.
While at it, do minor cleanups like move the declarations of the variables
on top of the function.
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20240304155928.1818928-3-usama.anjum@collabora.com
Signed-off-by: Kees Cook <keescook@chromium.org>
---
.../testing/selftests/exec/recursion-depth.c | 53 +++++++++----------
1 file changed, 26 insertions(+), 27 deletions(-)
diff --git a/tools/testing/selftests/exec/recursion-depth.c b/tools/testing/selftests/exec/recursion-depth.c
index 2dbd5bc45b3ed..b2f37d86a5f62 100644
--- a/tools/testing/selftests/exec/recursion-depth.c
+++ b/tools/testing/selftests/exec/recursion-depth.c
@@ -23,45 +23,44 @@
#include <fcntl.h>
#include <sys/mount.h>
#include <unistd.h>
+#include "../kselftest.h"
int main(void)
{
+ int fd, rv;
+
+ ksft_print_header();
+ ksft_set_plan(1);
+
if (unshare(CLONE_NEWNS) == -1) {
if (errno == ENOSYS || errno == EPERM) {
- fprintf(stderr, "error: unshare, errno %d\n", errno);
- return 4;
+ ksft_test_result_skip("error: unshare, errno %d\n", errno);
+ ksft_finished();
}
- fprintf(stderr, "error: unshare, errno %d\n", errno);
- return 1;
- }
- if (mount(NULL, "/", NULL, MS_PRIVATE|MS_REC, NULL) == -1) {
- fprintf(stderr, "error: mount '/', errno %d\n", errno);
- return 1;
+ ksft_exit_fail_msg("error: unshare, errno %d\n", errno);
}
+
+ if (mount(NULL, "/", NULL, MS_PRIVATE | MS_REC, NULL) == -1)
+ ksft_exit_fail_msg("error: mount '/', errno %d\n", errno);
+
/* Require "exec" filesystem. */
- if (mount(NULL, "/tmp", "ramfs", 0, NULL) == -1) {
- fprintf(stderr, "error: mount ramfs, errno %d\n", errno);
- return 1;
- }
+ if (mount(NULL, "/tmp", "ramfs", 0, NULL) == -1)
+ ksft_exit_fail_msg("error: mount ramfs, errno %d\n", errno);
#define FILENAME "/tmp/1"
- int fd = creat(FILENAME, 0700);
- if (fd == -1) {
- fprintf(stderr, "error: creat, errno %d\n", errno);
- return 1;
- }
+ fd = creat(FILENAME, 0700);
+ if (fd == -1)
+ ksft_exit_fail_msg("error: creat, errno %d\n", errno);
+
#define S "#!" FILENAME "\n"
- if (write(fd, S, strlen(S)) != strlen(S)) {
- fprintf(stderr, "error: write, errno %d\n", errno);
- return 1;
- }
+ if (write(fd, S, strlen(S)) != strlen(S))
+ ksft_exit_fail_msg("error: write, errno %d\n", errno);
+
close(fd);
- int rv = execve(FILENAME, NULL, NULL);
- if (rv == -1 && errno == ELOOP) {
- return 0;
- }
- fprintf(stderr, "error: execve, rv %d, errno %d\n", rv, errno);
- return 1;
+ rv = execve(FILENAME, NULL, NULL);
+ ksft_test_result(rv == -1 && errno == ELOOP,
+ "execve failed as expected (ret %d, errno %d)\n", rv, errno);
+ ksft_finished();
}
--
GitLab
From 2c5c0ba1179d31b0a030b45a16df6181d1bc3ea6 Mon Sep 17 00:00:00 2001
From: Pavel Begunkov <asml.silence@gmail.com>
Date: Wed, 13 Mar 2024 15:52:40 +0000
Subject: [PATCH 1185/2686] io_uring: simplify io_pages_free
We never pass a null (top-level) pointer, remove the check.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/0e1a46f9a5cd38e6876905e8030bdff9b0845e96.1710343154.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/io_uring.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index e7d7a456b4896..48c8d74e86ab7 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -2696,13 +2696,9 @@ void io_mem_free(void *ptr)
static void io_pages_free(struct page ***pages, int npages)
{
- struct page **page_array;
+ struct page **page_array = *pages;
int i;
- if (!pages)
- return;
-
- page_array = *pages;
if (!page_array)
return;
--
GitLab
From 9219e4a9d4ad57323837f7c3562964e61840b17a Mon Sep 17 00:00:00 2001
From: Pavel Begunkov <asml.silence@gmail.com>
Date: Wed, 13 Mar 2024 15:52:41 +0000
Subject: [PATCH 1186/2686] io_uring/kbuf: rename is_mapped
In buffer lists we have ->is_mapped as well as ->is_mmap, it's
pretty hard to stay sane double checking which one means what,
and in the long run there is a high chance of an eventual bug.
Rename ->is_mapped into ->is_buf_ring.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/c4838f4d8ad506ad6373f1c305aee2d2c1a89786.1710343154.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/kbuf.c | 20 ++++++++++----------
io_uring/kbuf.h | 2 +-
2 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index 9be42bff936b9..693c26da4ee1a 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -199,7 +199,7 @@ void __user *io_buffer_select(struct io_kiocb *req, size_t *len,
bl = io_buffer_get_list(ctx, req->buf_index);
if (likely(bl)) {
- if (bl->is_mapped)
+ if (bl->is_buf_ring)
ret = io_ring_buffer_select(req, len, bl, issue_flags);
else
ret = io_provided_buffer_select(req, len, bl);
@@ -253,7 +253,7 @@ static int __io_remove_buffers(struct io_ring_ctx *ctx,
if (!nbufs)
return 0;
- if (bl->is_mapped) {
+ if (bl->is_buf_ring) {
i = bl->buf_ring->tail - bl->head;
if (bl->is_mmap) {
/*
@@ -274,7 +274,7 @@ static int __io_remove_buffers(struct io_ring_ctx *ctx,
}
/* make sure it's seen as empty */
INIT_LIST_HEAD(&bl->buf_list);
- bl->is_mapped = 0;
+ bl->is_buf_ring = 0;
return i;
}
@@ -361,7 +361,7 @@ int io_remove_buffers(struct io_kiocb *req, unsigned int issue_flags)
if (bl) {
ret = -EINVAL;
/* can't use provide/remove buffers command on mapped buffers */
- if (!bl->is_mapped)
+ if (!bl->is_buf_ring)
ret = __io_remove_buffers(ctx, bl, p->nbufs);
}
io_ring_submit_unlock(ctx, issue_flags);
@@ -519,7 +519,7 @@ int io_provide_buffers(struct io_kiocb *req, unsigned int issue_flags)
}
}
/* can't add buffers via this command for a mapped buffer ring */
- if (bl->is_mapped) {
+ if (bl->is_buf_ring) {
ret = -EINVAL;
goto err;
}
@@ -575,7 +575,7 @@ static int io_pin_pbuf_ring(struct io_uring_buf_reg *reg,
bl->buf_pages = pages;
bl->buf_nr_pages = nr_pages;
bl->buf_ring = br;
- bl->is_mapped = 1;
+ bl->is_buf_ring = 1;
bl->is_mmap = 0;
return 0;
error_unpin:
@@ -642,7 +642,7 @@ static int io_alloc_pbuf_ring(struct io_ring_ctx *ctx,
}
ibf->inuse = 1;
bl->buf_ring = ibf->mem;
- bl->is_mapped = 1;
+ bl->is_buf_ring = 1;
bl->is_mmap = 1;
return 0;
}
@@ -688,7 +688,7 @@ int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
bl = io_buffer_get_list(ctx, reg.bgid);
if (bl) {
/* if mapped buffer ring OR classic exists, don't allow */
- if (bl->is_mapped || !list_empty(&bl->buf_list))
+ if (bl->is_buf_ring || !list_empty(&bl->buf_list))
return -EEXIST;
} else {
free_bl = bl = kzalloc(sizeof(*bl), GFP_KERNEL);
@@ -730,7 +730,7 @@ int io_unregister_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
bl = io_buffer_get_list(ctx, reg.bgid);
if (!bl)
return -ENOENT;
- if (!bl->is_mapped)
+ if (!bl->is_buf_ring)
return -EINVAL;
__io_remove_buffers(ctx, bl, -1U);
@@ -757,7 +757,7 @@ int io_register_pbuf_status(struct io_ring_ctx *ctx, void __user *arg)
bl = io_buffer_get_list(ctx, buf_status.buf_group);
if (!bl)
return -ENOENT;
- if (!bl->is_mapped)
+ if (!bl->is_buf_ring)
return -EINVAL;
buf_status.head = bl->head;
diff --git a/io_uring/kbuf.h b/io_uring/kbuf.h
index 5218bfd79e871..1c7b654ee7263 100644
--- a/io_uring/kbuf.h
+++ b/io_uring/kbuf.h
@@ -26,7 +26,7 @@ struct io_buffer_list {
__u16 mask;
/* ring mapped provided buffers */
- __u8 is_mapped;
+ __u8 is_buf_ring;
/* ring mapped provided buffers, but mmap'ed by application */
__u8 is_mmap;
/* bl is visible from an RCU point of view for lookup */
--
GitLab
From 67d1189d1095d471ed7fa426c7e384a7140a5dd7 Mon Sep 17 00:00:00 2001
From: Gabriel Krisman Bertazi <krisman@suse.de>
Date: Wed, 13 Mar 2024 17:39:12 -0400
Subject: [PATCH 1187/2686] io_uring: Fix release of pinned pages when
__io_uaddr_map fails
Looking at the error path of __io_uaddr_map, if we fail after pinning
the pages for any reasons, ret will be set to -EINVAL and the error
handler won't properly release the pinned pages.
I didn't manage to trigger it without forcing a failure, but it can
happen in real life when memory is heavily fragmented.
Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de>
Fixes: 223ef4743164 ("io_uring: don't allow IORING_SETUP_NO_MMAP rings on highmem pages")
Link: https://lore.kernel.org/r/20240313213912.1920-1-krisman@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/io_uring.c | 22 +++++++++++++---------
1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 48c8d74e86ab7..3ae4bb9889061 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -2714,7 +2714,7 @@ static void *__io_uaddr_map(struct page ***pages, unsigned short *npages,
struct page **page_array;
unsigned int nr_pages;
void *page_addr;
- int ret, i;
+ int ret, i, pinned;
*npages = 0;
@@ -2728,12 +2728,12 @@ static void *__io_uaddr_map(struct page ***pages, unsigned short *npages,
if (!page_array)
return ERR_PTR(-ENOMEM);
- ret = pin_user_pages_fast(uaddr, nr_pages, FOLL_WRITE | FOLL_LONGTERM,
- page_array);
- if (ret != nr_pages) {
-err:
- io_pages_free(&page_array, ret > 0 ? ret : 0);
- return ret < 0 ? ERR_PTR(ret) : ERR_PTR(-EFAULT);
+
+ pinned = pin_user_pages_fast(uaddr, nr_pages, FOLL_WRITE | FOLL_LONGTERM,
+ page_array);
+ if (pinned != nr_pages) {
+ ret = (pinned < 0) ? pinned : -EFAULT;
+ goto free_pages;
}
page_addr = page_address(page_array[0]);
@@ -2747,7 +2747,7 @@ static void *__io_uaddr_map(struct page ***pages, unsigned short *npages,
* didn't support this feature.
*/
if (PageHighMem(page_array[i]))
- goto err;
+ goto free_pages;
/*
* No support for discontig pages for now, should either be a
@@ -2756,13 +2756,17 @@ static void *__io_uaddr_map(struct page ***pages, unsigned short *npages,
* just fail them with EINVAL.
*/
if (page_address(page_array[i]) != page_addr)
- goto err;
+ goto free_pages;
page_addr += PAGE_SIZE;
}
*pages = page_array;
*npages = nr_pages;
return page_to_virt(page_array[0]);
+
+free_pages:
+ io_pages_free(&page_array, pinned > 0 ? pinned : 0);
+ return ERR_PTR(ret);
}
static void *io_rings_map(struct io_ring_ctx *ctx, unsigned long uaddr,
--
GitLab
From cec60af1972d830dc837da76b472cf9cce7945cf Mon Sep 17 00:00:00 2001
From: Ping-Ke Shih <pkshih@realtek.com>
Date: Sat, 9 Mar 2024 08:13:48 +0800
Subject: [PATCH 1188/2686] wifi: rtw89: coex: fix configuration for shared
antenna for 8922A
WiFi 2x2 + BT combo cards can be two or three physical antenna. For two
antenna case, one antenna is shared by WiFi and BT, and different
configuration should be applied. Fix the typo.
This problem was found by Coccicheck, and actually that is a typo instead:
rtw8922a.c:2235:2-4: WARNING: possible condition with no effect (if == else)
Fixes: 652c9642eda6 ("wifi: rtw89: coex: add init_info H2C command format version 7")
Closes: https://lore.kernel.org/linux-wireless/20240308074539.04512f66@kernel.org/
Cc: Ching-Te Ku <ku920601@realtek.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240309001348.9906-1-pkshih@realtek.com
---
drivers/net/wireless/realtek/rtw89/rtw8922a.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922a.c b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
index 367459bd13457..708132d5be2a6 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8922a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
@@ -2233,7 +2233,7 @@ static void rtw8922a_btc_init_cfg(struct rtw89_dev *rtwdev)
* Shared-Ant && BTG-path:WL mask(0x55f), others:WL THRU(0x5ff)
*/
if (btc->ant_type == BTC_ANT_SHARED && btc->btg_pos == path)
- rtw8922a_set_trx_mask(rtwdev, path, BTC_BT_TX_GROUP, 0x5ff);
+ rtw8922a_set_trx_mask(rtwdev, path, BTC_BT_TX_GROUP, 0x55f);
else
rtw8922a_set_trx_mask(rtwdev, path, BTC_BT_TX_GROUP, 0x5ff);
--
GitLab
From 04d9d1fc428ac9f581d55118d67e0cb546701feb Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Fri, 8 Mar 2024 12:16:23 -0800
Subject: [PATCH 1189/2686] tcp: Fix refcnt handling in __inet_hash_connect().
syzbot reported a warning in sk_nulls_del_node_init_rcu().
The commit 66b60b0c8c4a ("dccp/tcp: Unhash sk from ehash for tb2 alloc
failure after check_estalblished().") tried to fix an issue that an
unconnected socket occupies an ehash entry when bhash2 allocation fails.
In such a case, we need to revert changes done by check_established(),
which does not hold refcnt when inserting socket into ehash.
So, to revert the change, we need to __sk_nulls_add_node_rcu() instead
of sk_nulls_add_node_rcu().
Otherwise, sock_put() will cause refcnt underflow and leak the socket.
[0]:
WARNING: CPU: 0 PID: 23948 at include/net/sock.h:799 sk_nulls_del_node_init_rcu+0x166/0x1a0 include/net/sock.h:799
Modules linked in:
CPU: 0 PID: 23948 Comm: syz-executor.2 Not tainted 6.8.0-rc6-syzkaller-00159-gc055fc00c07b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:sk_nulls_del_node_init_rcu+0x166/0x1a0 include/net/sock.h:799
Code: e8 7f 71 c6 f7 83 fb 02 7c 25 e8 35 6d c6 f7 4d 85 f6 0f 95 c0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 1b 6d c6 f7 90 <0f> 0b 90 eb b2 e8 10 6d c6 f7 4c 89 e7 be 04 00 00 00 e8 63 e7 d2
RSP: 0018:ffffc900032d7848 EFLAGS: 00010246
RAX: ffffffff89cd0035 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc90004de1000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 1ffff1100439ac26 R08: ffffffff89ccffe3 R09: 1ffff1100439ac28
R10: dffffc0000000000 R11: ffffed100439ac29 R12: ffff888021cd6140
R13: dffffc0000000000 R14: ffff88802a9bf5c0 R15: ffff888021cd6130
FS: 00007f3b823f16c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3b823f0ff8 CR3: 000000004674a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__inet_hash_connect+0x140f/0x20b0 net/ipv4/inet_hashtables.c:1139
dccp_v6_connect+0xcb9/0x1480 net/dccp/ipv6.c:956
__inet_stream_connect+0x262/0xf30 net/ipv4/af_inet.c:678
inet_stream_connect+0x65/0xa0 net/ipv4/af_inet.c:749
__sys_connect_file net/socket.c:2048 [inline]
__sys_connect+0x2df/0x310 net/socket.c:2065
__do_sys_connect net/socket.c:2075 [inline]
__se_sys_connect net/socket.c:2072 [inline]
__x64_sys_connect+0x7a/0x90 net/socket.c:2072
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f3b8167dda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3b823f10c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007f3b817abf80 RCX: 00007f3b8167dda9
RDX: 000000000000001c RSI: 0000000020000040 RDI: 0000000000000003
RBP: 00007f3b823f1120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007f3b817abf80 R15: 00007ffd3beb57b8
</TASK>
Reported-by: syzbot+12c506c1aae251e70449@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=12c506c1aae251e70449
Fixes: 66b60b0c8c4a ("dccp/tcp: Unhash sk from ehash for tb2 alloc failure after check_estalblished().")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240308201623.65448-1-kuniyu@amazon.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
net/ipv4/inet_hashtables.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 7498af3201647..cf88eca5f1b40 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -1135,7 +1135,7 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row,
sock_prot_inuse_add(net, sk->sk_prot, -1);
spin_lock(lock);
- sk_nulls_del_node_init_rcu(sk);
+ __sk_nulls_del_node_init_rcu(sk);
spin_unlock(lock);
sk->sk_hash = 0;
--
GitLab
From e127ce7699c1e05279ee5ee61f00893e7bfa9671 Mon Sep 17 00:00:00 2001
From: William Tu <witu@nvidia.com>
Date: Sat, 9 Mar 2024 20:31:47 +0200
Subject: [PATCH 1190/2686] vmxnet3: Fix missing reserved tailroom
Use rbi->len instead of rcd->len for non-dataring packet.
Found issue:
XDP_WARN: xdp_update_frame_from_buff(line:278): Driver BUG: missing reserved tailroom
WARNING: CPU: 0 PID: 0 at net/core/xdp.c:586 xdp_warn+0xf/0x20
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W O 6.5.1 #1
RIP: 0010:xdp_warn+0xf/0x20
...
? xdp_warn+0xf/0x20
xdp_do_redirect+0x15f/0x1c0
vmxnet3_run_xdp+0x17a/0x400 [vmxnet3]
vmxnet3_process_xdp+0xe4/0x760 [vmxnet3]
? vmxnet3_tq_tx_complete.isra.0+0x21e/0x2c0 [vmxnet3]
vmxnet3_rq_rx_complete+0x7ad/0x1120 [vmxnet3]
vmxnet3_poll_rx_only+0x2d/0xa0 [vmxnet3]
__napi_poll+0x20/0x180
net_rx_action+0x177/0x390
Reported-by: Martin Zaharinov <micron10@gmail.com>
Tested-by: Martin Zaharinov <micron10@gmail.com>
Link: https://lore.kernel.org/netdev/74BF3CC8-2A3A-44FF-98C2-1E20F110A92E@gmail.com/
Fixes: 54f00cce1178 ("vmxnet3: Add XDP support.")
Signed-off-by: William Tu <witu@nvidia.com>
Link: https://lore.kernel.org/r/20240309183147.28222-1-witu@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/vmxnet3/vmxnet3_xdp.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/vmxnet3/vmxnet3_xdp.c b/drivers/net/vmxnet3/vmxnet3_xdp.c
index 80ddaff759d47..a6c787454a1ae 100644
--- a/drivers/net/vmxnet3/vmxnet3_xdp.c
+++ b/drivers/net/vmxnet3/vmxnet3_xdp.c
@@ -382,12 +382,12 @@ vmxnet3_process_xdp(struct vmxnet3_adapter *adapter,
page = rbi->page;
dma_sync_single_for_cpu(&adapter->pdev->dev,
page_pool_get_dma_addr(page) +
- rq->page_pool->p.offset, rcd->len,
+ rq->page_pool->p.offset, rbi->len,
page_pool_get_dma_dir(rq->page_pool));
- xdp_init_buff(&xdp, rbi->len, &rq->xdp_rxq);
+ xdp_init_buff(&xdp, PAGE_SIZE, &rq->xdp_rxq);
xdp_prepare_buff(&xdp, page_address(page), rq->page_pool->p.offset,
- rcd->len, false);
+ rbi->len, false);
xdp_buff_clear_frags_flag(&xdp);
xdp_prog = rcu_dereference(rq->adapter->xdp_bpf_prog);
--
GitLab
From 59097a2a5ecadb0f025232c665fd11c8ae1e1f58 Mon Sep 17 00:00:00 2001
From: Konrad Dybcio <konrad.dybcio@linaro.org>
Date: Sat, 2 Mar 2024 03:22:49 +0100
Subject: [PATCH 1191/2686] interconnect: qcom: x1e80100: Remove inexistent
ACV_PERF BCM
Booting the kernel on X1E results in a message like:
[ 2.561524] qnoc-x1e80100 interconnect-0: ACV_PERF could not find RPMh address
And indeed, taking a look at cmd-db, no such BCM exists. Remove it.
Fixes: 9f196772841e ("interconnect: qcom: Add X1E80100 interconnect provider driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Mike Tipton <quic_mdtipton@quicinc.com>
Link: https://lore.kernel.org/r/20240302-topic-faux_bcm_x1e-v1-1-c40fab7c4bc5@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
drivers/interconnect/qcom/x1e80100.c | 26 --------------------------
1 file changed, 26 deletions(-)
diff --git a/drivers/interconnect/qcom/x1e80100.c b/drivers/interconnect/qcom/x1e80100.c
index cbaf4f9c41be6..06f0a6d6cbbc0 100644
--- a/drivers/interconnect/qcom/x1e80100.c
+++ b/drivers/interconnect/qcom/x1e80100.c
@@ -116,15 +116,6 @@ static struct qcom_icc_node xm_sdc2 = {
.links = { X1E80100_SLAVE_A2NOC_SNOC },
};
-static struct qcom_icc_node ddr_perf_mode_master = {
- .name = "ddr_perf_mode_master",
- .id = X1E80100_MASTER_DDR_PERF_MODE,
- .channels = 1,
- .buswidth = 4,
- .num_links = 1,
- .links = { X1E80100_SLAVE_DDR_PERF_MODE },
-};
-
static struct qcom_icc_node qup0_core_master = {
.name = "qup0_core_master",
.id = X1E80100_MASTER_QUP_CORE_0,
@@ -832,14 +823,6 @@ static struct qcom_icc_node qns_a2noc_snoc = {
.links = { X1E80100_MASTER_A2NOC_SNOC },
};
-static struct qcom_icc_node ddr_perf_mode_slave = {
- .name = "ddr_perf_mode_slave",
- .id = X1E80100_SLAVE_DDR_PERF_MODE,
- .channels = 1,
- .buswidth = 4,
- .num_links = 0,
-};
-
static struct qcom_icc_node qup0_core_slave = {
.name = "qup0_core_slave",
.id = X1E80100_SLAVE_QUP_CORE_0,
@@ -1591,12 +1574,6 @@ static struct qcom_icc_bcm bcm_acv = {
.nodes = { &ebi },
};
-static struct qcom_icc_bcm bcm_acv_perf = {
- .name = "ACV_PERF",
- .num_nodes = 1,
- .nodes = { &ddr_perf_mode_slave },
-};
-
static struct qcom_icc_bcm bcm_ce0 = {
.name = "CE0",
.num_nodes = 1,
@@ -1863,18 +1840,15 @@ static const struct qcom_icc_desc x1e80100_aggre2_noc = {
};
static struct qcom_icc_bcm * const clk_virt_bcms[] = {
- &bcm_acv_perf,
&bcm_qup0,
&bcm_qup1,
&bcm_qup2,
};
static struct qcom_icc_node * const clk_virt_nodes[] = {
- [MASTER_DDR_PERF_MODE] = &ddr_perf_mode_master,
[MASTER_QUP_CORE_0] = &qup0_core_master,
[MASTER_QUP_CORE_1] = &qup1_core_master,
[MASTER_QUP_CORE_2] = &qup2_core_master,
- [SLAVE_DDR_PERF_MODE] = &ddr_perf_mode_slave,
[SLAVE_QUP_CORE_0] = &qup0_core_slave,
[SLAVE_QUP_CORE_1] = &qup1_core_slave,
[SLAVE_QUP_CORE_2] = &qup2_core_slave,
--
GitLab
From de1bf25b6d771abdb52d43546cf57ad775fb68a1 Mon Sep 17 00:00:00 2001
From: Mike Tipton <quic_mdtipton@quicinc.com>
Date: Tue, 5 Mar 2024 14:56:52 -0800
Subject: [PATCH 1192/2686] interconnect: Don't access req_list while it's
being manipulated
The icc_lock mutex was split into separate icc_lock and icc_bw_lock
mutexes in [1] to avoid lockdep splats. However, this didn't adequately
protect access to icc_node::req_list.
The icc_set_bw() function will eventually iterate over req_list while
only holding icc_bw_lock, but req_list can be modified while only
holding icc_lock. This causes races between icc_set_bw(), of_icc_get(),
and icc_put().
Example A:
CPU0 CPU1
---- ----
icc_set_bw(path_a)
mutex_lock(&icc_bw_lock);
icc_put(path_b)
mutex_lock(&icc_lock);
aggregate_requests()
hlist_for_each_entry(r, ...
hlist_del(...
<r = invalid pointer>
Example B:
CPU0 CPU1
---- ----
icc_set_bw(path_a)
mutex_lock(&icc_bw_lock);
path_b = of_icc_get()
of_icc_get_by_index()
mutex_lock(&icc_lock);
path_find()
path_init()
aggregate_requests()
hlist_for_each_entry(r, ...
hlist_add_head(...
<r = invalid pointer>
Fix this by ensuring icc_bw_lock is always held before manipulating
icc_node::req_list. The additional places icc_bw_lock is held don't
perform any memory allocations, so we should still be safe from the
original lockdep splats that motivated the separate locks.
[1] commit af42269c3523 ("interconnect: Fix locking for runpm vs reclaim")
Signed-off-by: Mike Tipton <quic_mdtipton@quicinc.com>
Fixes: af42269c3523 ("interconnect: Fix locking for runpm vs reclaim")
Reviewed-by: Rob Clark <robdclark@chromium.org>
Link: https://lore.kernel.org/r/20240305225652.22872-1-quic_mdtipton@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
---
drivers/interconnect/core.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
index 50bac2d79d9b5..68edb07d4443e 100644
--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -176,6 +176,8 @@ static struct icc_path *path_init(struct device *dev, struct icc_node *dst,
path->num_nodes = num_nodes;
+ mutex_lock(&icc_bw_lock);
+
for (i = num_nodes - 1; i >= 0; i--) {
node->provider->users++;
hlist_add_head(&path->reqs[i].req_node, &node->req_list);
@@ -186,6 +188,8 @@ static struct icc_path *path_init(struct device *dev, struct icc_node *dst,
node = node->reverse;
}
+ mutex_unlock(&icc_bw_lock);
+
return path;
}
@@ -792,12 +796,16 @@ void icc_put(struct icc_path *path)
pr_err("%s: error (%d)\n", __func__, ret);
mutex_lock(&icc_lock);
+ mutex_lock(&icc_bw_lock);
+
for (i = 0; i < path->num_nodes; i++) {
node = path->reqs[i].node;
hlist_del(&path->reqs[i].req_node);
if (!WARN_ON(!node->provider->users))
node->provider->users--;
}
+
+ mutex_unlock(&icc_bw_lock);
mutex_unlock(&icc_lock);
kfree_const(path->name);
--
GitLab
From ddbec99f58571301679addbc022256970ca3eac6 Mon Sep 17 00:00:00 2001
From: Shigeru Yoshida <syoshida@redhat.com>
Date: Wed, 13 Mar 2024 00:27:19 +0900
Subject: [PATCH 1193/2686] hsr: Fix uninit-value access in hsr_get_node()
KMSAN reported the following uninit-value access issue [1]:
=====================================================
BUG: KMSAN: uninit-value in hsr_get_node+0xa2e/0xa40 net/hsr/hsr_framereg.c:246
hsr_get_node+0xa2e/0xa40 net/hsr/hsr_framereg.c:246
fill_frame_info net/hsr/hsr_forward.c:577 [inline]
hsr_forward_skb+0xe12/0x30e0 net/hsr/hsr_forward.c:615
hsr_dev_xmit+0x1a1/0x270 net/hsr/hsr_device.c:223
__netdev_start_xmit include/linux/netdevice.h:4940 [inline]
netdev_start_xmit include/linux/netdevice.h:4954 [inline]
xmit_one net/core/dev.c:3548 [inline]
dev_hard_start_xmit+0x247/0xa10 net/core/dev.c:3564
__dev_queue_xmit+0x33b8/0x5130 net/core/dev.c:4349
dev_queue_xmit include/linux/netdevice.h:3134 [inline]
packet_xmit+0x9c/0x6b0 net/packet/af_packet.c:276
packet_snd net/packet/af_packet.c:3087 [inline]
packet_sendmsg+0x8b1d/0x9f30 net/packet/af_packet.c:3119
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
__sys_sendto+0x735/0xa10 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0x125/0x1c0 net/socket.c:2199
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x6d/0x140 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
Uninit was created at:
slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768
slab_alloc_node mm/slub.c:3478 [inline]
kmem_cache_alloc_node+0x5e9/0xb10 mm/slub.c:3523
kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:560
__alloc_skb+0x318/0x740 net/core/skbuff.c:651
alloc_skb include/linux/skbuff.h:1286 [inline]
alloc_skb_with_frags+0xc8/0xbd0 net/core/skbuff.c:6334
sock_alloc_send_pskb+0xa80/0xbf0 net/core/sock.c:2787
packet_alloc_skb net/packet/af_packet.c:2936 [inline]
packet_snd net/packet/af_packet.c:3030 [inline]
packet_sendmsg+0x70e8/0x9f30 net/packet/af_packet.c:3119
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
__sys_sendto+0x735/0xa10 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0x125/0x1c0 net/socket.c:2199
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x6d/0x140 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
CPU: 1 PID: 5033 Comm: syz-executor334 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
=====================================================
If the packet type ID field in the Ethernet header is either ETH_P_PRP or
ETH_P_HSR, but it is not followed by an HSR tag, hsr_get_skb_sequence_nr()
reads an invalid value as a sequence number. This causes the above issue.
This patch fixes the issue by returning NULL if the Ethernet header is not
followed by an HSR tag.
Fixes: f266a683a480 ("net/hsr: Better frame dispatch")
Reported-and-tested-by: syzbot+2ef3a8ce8e91b5a50098@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=2ef3a8ce8e91b5a50098 [1]
Signed-off-by: Shigeru Yoshida <syoshida@redhat.com>
Link: https://lore.kernel.org/r/20240312152719.724530-1-syoshida@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
net/hsr/hsr_framereg.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c
index 6d14d935ee828..26329db09210b 100644
--- a/net/hsr/hsr_framereg.c
+++ b/net/hsr/hsr_framereg.c
@@ -228,6 +228,10 @@ struct hsr_node *hsr_get_node(struct hsr_port *port, struct list_head *node_db,
*/
if (ethhdr->h_proto == htons(ETH_P_PRP) ||
ethhdr->h_proto == htons(ETH_P_HSR)) {
+ /* Check if skb contains hsr_ethhdr */
+ if (skb->mac_len < sizeof(struct hsr_ethhdr))
+ return NULL;
+
/* Use the existing sequence_nr from the tag as starting point
* for filtering duplicate frames.
*/
--
GitLab
From 6b2536462fd48b49563aef0555517cb91047c5f5 Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Tue, 12 Mar 2024 23:37:17 +0000
Subject: [PATCH 1194/2686] rxrpc: Fix use of changed alignment param to
page_frag_alloc_align()
Commit 411c5f36805c ("mm/page_alloc: modify page_frag_alloc_align() to
accept align as an argument") changed the way page_frag_alloc_align()
worked, but it didn't fix AF_RXRPC as that use of that allocator function
hadn't been merged yet at the time. Now, when the AFS filesystem is used,
this results in:
WARNING: CPU: 4 PID: 379 at include/linux/gfp.h:323 rxrpc_alloc_data_txbuf+0x9d/0x2b0 [rxrpc]
Fix this by using __page_frag_alloc_align() instead.
Note that it might be better to use an order-based alignment rather than a
mask-based alignment.
Fixes: 49489bb03a50 ("rxrpc: Do zerocopy using MSG_SPLICE_PAGES and page frags")
Signed-off-by: David Howells <dhowells@redhat.com>
Reported-by: Marc Dionne <marc.dionne@auristor.com>
cc: Yunsheng Lin <linyunsheng@huawei.com>
cc: Alexander Duyck <alexander.duyck@gmail.com>
cc: Michael S. Tsirkin <mst@redhat.com>
cc: "David S. Miller" <davem@davemloft.net>
cc: Eric Dumazet <edumazet@google.com>
cc: Jakub Kicinski <kuba@kernel.org>
cc: Paolo Abeni <pabeni@redhat.com>
cc: linux-afs@lists.infradead.org
cc: netdev@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
net/rxrpc/txbuf.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/rxrpc/txbuf.c b/net/rxrpc/txbuf.c
index b2a82ab756c24..e0679658d9de0 100644
--- a/net/rxrpc/txbuf.c
+++ b/net/rxrpc/txbuf.c
@@ -33,8 +33,8 @@ struct rxrpc_txbuf *rxrpc_alloc_data_txbuf(struct rxrpc_call *call, size_t data_
total = hoff + sizeof(*whdr) + data_size;
mutex_lock(&call->conn->tx_data_alloc_lock);
- buf = page_frag_alloc_align(&call->conn->tx_data_alloc, total, gfp,
- ~(data_align - 1) & ~(L1_CACHE_BYTES - 1));
+ buf = __page_frag_alloc_align(&call->conn->tx_data_alloc, total, gfp,
+ ~(data_align - 1) & ~(L1_CACHE_BYTES - 1));
mutex_unlock(&call->conn->tx_data_alloc_lock);
if (!buf) {
kfree(txb);
--
GitLab
From 89e4354110ca64bf4949cca83b55149bc80733bc Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Tue, 12 Mar 2024 23:37:18 +0000
Subject: [PATCH 1195/2686] rxrpc: Fix error check on ->alloc_txbuf()
rxrpc_alloc_*_txbuf() and ->alloc_txbuf() return NULL to indicate no
memory, but rxrpc_send_data() uses IS_ERR().
Fix rxrpc_send_data() to check for NULL only and set -ENOMEM if it sees
that.
Fixes: 49489bb03a50 ("rxrpc: Do zerocopy using MSG_SPLICE_PAGES and page frags")
Signed-off-by: David Howells <dhowells@redhat.com>
Reported-by: Marc Dionne <marc.dionne@auristor.com>
cc: "David S. Miller" <davem@davemloft.net>
cc: Eric Dumazet <edumazet@google.com>
cc: Jakub Kicinski <kuba@kernel.org>
cc: Paolo Abeni <pabeni@redhat.com>
cc: linux-afs@lists.infradead.org
cc: netdev@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
net/rxrpc/sendmsg.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index 6f765768c49c5..894b8fa68e5e9 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -349,8 +349,8 @@ static int rxrpc_send_data(struct rxrpc_sock *rx,
*/
remain = more ? INT_MAX : msg_data_left(msg);
txb = call->conn->security->alloc_txbuf(call, remain, sk->sk_allocation);
- if (IS_ERR(txb)) {
- ret = PTR_ERR(txb);
+ if (!txb) {
+ ret = -ENOMEM;
goto maybe_error;
}
}
--
GitLab
From 1c6368679979019f884557b1843e1dedffac231c Mon Sep 17 00:00:00 2001
From: Jakub Kicinski <kuba@kernel.org>
Date: Tue, 12 Mar 2024 20:23:29 -0700
Subject: [PATCH 1196/2686] docs: networking: fix indentation errors in
multi-pf-netdev
Stephen reports new warnings in the docs:
Documentation/networking/multi-pf-netdev.rst:94: ERROR: Unexpected indentation.
Documentation/networking/multi-pf-netdev.rst:106: ERROR: Unexpected indentation.
Fixes: 77d9ec3f6c8c ("Documentation: networking: Add description for multi-pf netdev")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/all/20240312153304.0ef1b78e@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240313032329.3919036-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
Documentation/networking/multi-pf-netdev.rst | 58 ++++++++++----------
1 file changed, 29 insertions(+), 29 deletions(-)
diff --git a/Documentation/networking/multi-pf-netdev.rst b/Documentation/networking/multi-pf-netdev.rst
index be8e4bcadf119..268819225866c 100644
--- a/Documentation/networking/multi-pf-netdev.rst
+++ b/Documentation/networking/multi-pf-netdev.rst
@@ -87,35 +87,35 @@ all using the same instance under "priv->mdev".
Observability
=============
-The relation between PF, irq, napi, and queue can be observed via netlink spec:
-
-$ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml --dump queue-get --json='{"ifindex": 13}'
-[{'id': 0, 'ifindex': 13, 'napi-id': 539, 'type': 'rx'},
- {'id': 1, 'ifindex': 13, 'napi-id': 540, 'type': 'rx'},
- {'id': 2, 'ifindex': 13, 'napi-id': 541, 'type': 'rx'},
- {'id': 3, 'ifindex': 13, 'napi-id': 542, 'type': 'rx'},
- {'id': 4, 'ifindex': 13, 'napi-id': 543, 'type': 'rx'},
- {'id': 0, 'ifindex': 13, 'napi-id': 539, 'type': 'tx'},
- {'id': 1, 'ifindex': 13, 'napi-id': 540, 'type': 'tx'},
- {'id': 2, 'ifindex': 13, 'napi-id': 541, 'type': 'tx'},
- {'id': 3, 'ifindex': 13, 'napi-id': 542, 'type': 'tx'},
- {'id': 4, 'ifindex': 13, 'napi-id': 543, 'type': 'tx'}]
-
-$ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml --dump napi-get --json='{"ifindex": 13}'
-[{'id': 543, 'ifindex': 13, 'irq': 42},
- {'id': 542, 'ifindex': 13, 'irq': 41},
- {'id': 541, 'ifindex': 13, 'irq': 40},
- {'id': 540, 'ifindex': 13, 'irq': 39},
- {'id': 539, 'ifindex': 13, 'irq': 36}]
-
-Here you can clearly observe our channels distribution policy:
-
-$ ls /proc/irq/{36,39,40,41,42}/mlx5* -d -1
-/proc/irq/36/mlx5_comp1@pci:0000:08:00.0
-/proc/irq/39/mlx5_comp1@pci:0000:09:00.0
-/proc/irq/40/mlx5_comp2@pci:0000:08:00.0
-/proc/irq/41/mlx5_comp2@pci:0000:09:00.0
-/proc/irq/42/mlx5_comp3@pci:0000:08:00.0
+The relation between PF, irq, napi, and queue can be observed via netlink spec::
+
+ $ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml --dump queue-get --json='{"ifindex": 13}'
+ [{'id': 0, 'ifindex': 13, 'napi-id': 539, 'type': 'rx'},
+ {'id': 1, 'ifindex': 13, 'napi-id': 540, 'type': 'rx'},
+ {'id': 2, 'ifindex': 13, 'napi-id': 541, 'type': 'rx'},
+ {'id': 3, 'ifindex': 13, 'napi-id': 542, 'type': 'rx'},
+ {'id': 4, 'ifindex': 13, 'napi-id': 543, 'type': 'rx'},
+ {'id': 0, 'ifindex': 13, 'napi-id': 539, 'type': 'tx'},
+ {'id': 1, 'ifindex': 13, 'napi-id': 540, 'type': 'tx'},
+ {'id': 2, 'ifindex': 13, 'napi-id': 541, 'type': 'tx'},
+ {'id': 3, 'ifindex': 13, 'napi-id': 542, 'type': 'tx'},
+ {'id': 4, 'ifindex': 13, 'napi-id': 543, 'type': 'tx'}]
+
+ $ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml --dump napi-get --json='{"ifindex": 13}'
+ [{'id': 543, 'ifindex': 13, 'irq': 42},
+ {'id': 542, 'ifindex': 13, 'irq': 41},
+ {'id': 541, 'ifindex': 13, 'irq': 40},
+ {'id': 540, 'ifindex': 13, 'irq': 39},
+ {'id': 539, 'ifindex': 13, 'irq': 36}]
+
+Here you can clearly observe our channels distribution policy::
+
+ $ ls /proc/irq/{36,39,40,41,42}/mlx5* -d -1
+ /proc/irq/36/mlx5_comp1@pci:0000:08:00.0
+ /proc/irq/39/mlx5_comp1@pci:0000:09:00.0
+ /proc/irq/40/mlx5_comp2@pci:0000:08:00.0
+ /proc/irq/41/mlx5_comp2@pci:0000:09:00.0
+ /proc/irq/42/mlx5_comp3@pci:0000:08:00.0
Steering
========
--
GitLab
From 5d515eb1295151aa3e50af69fc726823aba7bac3 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <mripard@kernel.org>
Date: Mon, 4 Mar 2024 10:12:25 +0100
Subject: [PATCH 1197/2686] drm/sun4i: hdmi: Fix u64 div on 32bit arch
Commit 358e76fd613a ("drm/sun4i: hdmi: Consolidate atomic_check and
mode_valid") changed the clock rate from an unsigned long to an unsigned
long long resulting in a a 64-bit division that might not be supported
on all platforms.
The resulted in compilation being broken at least for m68k, xtensa and
some arm configurations, at least.
Fixes: 358e76fd613a ("drm/sun4i: hdmi: Consolidate atomic_check and mode_valid")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Closes: https://lore.kernel.org/r/CA+G9fYvG9KE15PGNoLu+SBVyShe+u5HBLQ81+kK9Zop6u=ywmw@mail.gmail.com/
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202403011839.KLiXh4wC-lkp@intel.com/
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20240304091225.366325-1-mripard@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
index 69001a3dc0df2..2d1880c61b50d 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
@@ -166,7 +166,7 @@ sun4i_hdmi_connector_clock_valid(const struct drm_connector *connector,
unsigned long long clock)
{
const struct sun4i_hdmi *hdmi = drm_connector_to_sun4i_hdmi(connector);
- unsigned long diff = clock / 200; /* +-0.5% allowed by HDMI spec */
+ unsigned long diff = div_u64(clock, 200); /* +-0.5% allowed by HDMI spec */
long rounded_rate;
if (mode->flags & DRM_MODE_FLAG_DBLCLK)
--
GitLab
From e30cef001da259e8df354b813015d0e5acc08740 Mon Sep 17 00:00:00 2001
From: Duanqiang Wen <duanqiangwen@net-swift.com>
Date: Wed, 13 Mar 2024 16:06:34 +0800
Subject: [PATCH 1198/2686] net: txgbe: fix clk_name exceed MAX_DEV_ID limits
txgbe register clk which name is i2c_designware.pci_dev_id(),
clk_name will be stored in clk_lookup_alloc. If PCIe bus number
is larger than 0x39, clk_name size will be larger than 20 bytes.
It exceeds clk_lookup_alloc MAX_DEV_ID limits. So the driver
shortened clk_name.
Fixes: b63f20485e43 ("net: txgbe: Register fixed rate clock")
Signed-off-by: Duanqiang Wen <duanqiangwen@net-swift.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Link: https://lore.kernel.org/r/20240313080634.459523-1-duanqiangwen@net-swift.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
index 93295916b1d2b..5b5d5e4310d12 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
@@ -571,7 +571,7 @@ static int txgbe_clock_register(struct txgbe *txgbe)
char clk_name[32];
struct clk *clk;
- snprintf(clk_name, sizeof(clk_name), "i2c_designware.%d",
+ snprintf(clk_name, sizeof(clk_name), "i2c_dw.%d",
pci_dev_id(pdev));
clk = clk_register_fixed_rate(NULL, clk_name, NULL, 0, 156250000);
--
GitLab
From 6d5501d59cf659651e100fc4c5617d444c22ba74 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Sun, 10 Mar 2024 01:38:43 +0200
Subject: [PATCH 1199/2686] drm/bridge: correct DRM_BRIDGE_OP_EDID
documentation
While the commit d807ad80d811 ("drm/bridge: add ->edid_read hook and
drm_bridge_edid_read()") and the commit 27b8f91c08d9 ("drm/bridge:
remove ->get_edid callback") replaced ->get_edid() callback with the
->edid_read(), they failed to update documentation. Fix the drm_bridge
docs to point to edid_read().
Fixes: 27b8f91c08d9 ("drm/bridge: remove ->get_edid callback")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240310-drm-bridge-fix-docs-v1-1-70d3d741cb7a@linaro.org
---
include/drm/drm_bridge.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index 3606e1a7f965b..4baca0d9107b0 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -541,7 +541,7 @@ struct drm_bridge_funcs {
* The @get_modes callback is mostly intended to support non-probeable
* displays such as many fixed panels. Bridges that support reading
* EDID shall leave @get_modes unimplemented and implement the
- * &drm_bridge_funcs->get_edid callback instead.
+ * &drm_bridge_funcs->edid_read callback instead.
*
* This callback is optional. Bridges that implement it shall set the
* DRM_BRIDGE_OP_MODES flag in their &drm_bridge->ops.
@@ -687,7 +687,7 @@ enum drm_bridge_ops {
/**
* @DRM_BRIDGE_OP_EDID: The bridge can retrieve the EDID of the display
* connected to its output. Bridges that set this flag shall implement
- * the &drm_bridge_funcs->get_edid callback.
+ * the &drm_bridge_funcs->edid_read callback.
*/
DRM_BRIDGE_OP_EDID = BIT(1),
/**
--
GitLab
From 29895ce18311ddd702973ddb3a6c687db663e0fb Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian.fainelli@broadcom.com>
Date: Wed, 13 Mar 2024 12:45:30 -0700
Subject: [PATCH 1200/2686] spi: Fix error code checking in spi_mem_exec_op()
After commit cff49d58f57e ("spi: Unify error codes by replacing -ENOTSUPP with
-EOPNOTSUPP"), our SPI NOR flashes would stop probing with the following
visible in the kernel log:
[ 2.196300] brcmstb_qspi f0440920.qspi: using bspi-mspi mode
[ 2.210295] spi-nor: probe of spi1.0 failed with error -95
It turns out that the check in spi_mem_exec_op() was changed to check
for -ENOTSUPP (old error code) or -EOPNOTSUPP (new error code), but this
means that for drivers that were converted, the second condition is now
true, and we stop falling through like we used to. Fix the error to
check for neither error being neither -ENOTSUPP *nor* -EOPNOTSUPP.
Fixes: cff49d58f57e ("spi: Unify error codes by replacing -ENOTSUPP with -EOPNOTSUPP")
Reviewed-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://msgid.link/r/20240313194530.3150446-1-florian.fainelli@broadcom.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-mem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c
index c9d6d42a88f55..17b8baf749e6a 100644
--- a/drivers/spi/spi-mem.c
+++ b/drivers/spi/spi-mem.c
@@ -382,7 +382,7 @@ int spi_mem_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)
* read path) and expect the core to use the regular SPI
* interface in other cases.
*/
- if (!ret || ret != -ENOTSUPP || ret != -EOPNOTSUPP) {
+ if (!ret || (ret != -ENOTSUPP && ret != -EOPNOTSUPP)) {
spi_mem_add_op_stats(ctlr->pcpu_statistics, op, ret);
spi_mem_add_op_stats(mem->spi->pcpu_statistics, op, ret);
--
GitLab
From 861b3415e4dee06cc00cd1754808a7827b9105bf Mon Sep 17 00:00:00 2001
From: Jiawei Wang <me@jwang.link>
Date: Wed, 13 Mar 2024 09:58:52 +0800
Subject: [PATCH 1201/2686] ASoC: amd: yc: Revert "Fix non-functional mic on
Lenovo 21J2"
This reverts commit ed00a6945dc32462c2d3744a3518d2316da66fcc,
which added a quirk entry to enable the Yellow Carp (YC)
driver for the Lenovo 21J2 laptop.
Although the microphone functioned with the YC driver, it
resulted in incorrect driver usage. The Lenovo 21J2 is not a
Yellow Carp platform, but a Pink Sardine platform, which
already has an upstreamed driver.
The microphone on the Lenovo 21J2 operates correctly with the
CONFIG_SND_SOC_AMD_PS flag enabled and does not require the
quirk entry. So this patch removes the quirk entry.
Thanks to Mukunda Vijendar [1] for pointing this out.
Link: https://lore.kernel.org/linux-sound/023092e1-689c-4b00-b93f-4092c3724fb6@amd.com/ [1]
Signed-off-by: Jiawei Wang <me@jwang.link>
Link: https://lore.kernel.org/linux-sound/023092e1-689c-4b00-b93f-4092c3724fb6@amd.com/ [1]
Link: https://msgid.link/r/20240313015853.3573242-2-me@jwang.link
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/amd/yc/acp6x-mach.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c
index 1ab69a53174e6..69c68d8e7a6b5 100644
--- a/sound/soc/amd/yc/acp6x-mach.c
+++ b/sound/soc/amd/yc/acp6x-mach.c
@@ -199,13 +199,6 @@ static const struct dmi_system_id yc_acp_quirk_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "21HY"),
}
},
- {
- .driver_data = &acp6x_card,
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
- DMI_MATCH(DMI_PRODUCT_NAME, "21J2"),
- }
- },
{
.driver_data = &acp6x_card,
.matches = {
--
GitLab
From 37bee1855d0e3b6dbeb8de71895f6f68cad137be Mon Sep 17 00:00:00 2001
From: Jiawei Wang <me@jwang.link>
Date: Wed, 13 Mar 2024 09:58:53 +0800
Subject: [PATCH 1202/2686] ASoC: amd: yc: Revert "add new YC platform variant
(0x63) support"
This reverts commit 316a784839b21b122e1761cdca54677bb19a47fa,
that enabled Yellow Carp (YC) driver for PCI revision id 0x63.
Mukunda Vijendar [1] points out that revision 0x63 is Pink
Sardine platform, not Yellow Carp. The YC driver should not
be enabled for this platform. This patch prevents the YC
driver from being incorrectly enabled.
Link: https://lore.kernel.org/linux-sound/023092e1-689c-4b00-b93f-4092c3724fb6@amd.com/ [1]
Signed-off-by: Jiawei Wang <me@jwang.link>
Link: https://msgid.link/r/20240313015853.3573242-3-me@jwang.link
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/amd/yc/pci-acp6x.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/sound/soc/amd/yc/pci-acp6x.c b/sound/soc/amd/yc/pci-acp6x.c
index 694b8e3139024..7af6a349b1d41 100644
--- a/sound/soc/amd/yc/pci-acp6x.c
+++ b/sound/soc/amd/yc/pci-acp6x.c
@@ -162,7 +162,6 @@ static int snd_acp6x_probe(struct pci_dev *pci,
/* Yellow Carp device check */
switch (pci->revision) {
case 0x60:
- case 0x63:
case 0x6f:
break;
default:
--
GitLab
From b5b4287accd702f562a49a60b10dbfaf7d40270f Mon Sep 17 00:00:00 2001
From: Charlie Jenkins <charlie@rivosinc.com>
Date: Tue, 30 Jan 2024 17:07:00 -0800
Subject: [PATCH 1203/2686] riscv: mm: Use hint address in mmap if available
On riscv it is guaranteed that the address returned by mmap is less than
the hint address. Allow mmap to return an address all the way up to
addr, if provided, rather than just up to the lower address space.
This provides a performance benefit as well, allowing mmap to exit after
checking that the address is in range rather than searching for a valid
address.
It is possible to provide an address that uses at most the same number
of bits, however it is significantly more computationally expensive to
provide that number rather than setting the max to be the hint address.
There is the instruction clz/clzw in Zbb that returns the highest set bit
which could be used to performantly implement this, but it would still
be slower than the current implementation. At worst case, half of the
address would not be able to be allocated when a hint address is
provided.
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20240130-use_mmap_hint_address-v3-1-8a655cfa8bcb@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/processor.h | 27 +++++++++++----------------
1 file changed, 11 insertions(+), 16 deletions(-)
diff --git a/arch/riscv/include/asm/processor.h b/arch/riscv/include/asm/processor.h
index f19f861cda549..8ece7a8f0e18b 100644
--- a/arch/riscv/include/asm/processor.h
+++ b/arch/riscv/include/asm/processor.h
@@ -14,22 +14,16 @@
#include <asm/ptrace.h>
-#ifdef CONFIG_64BIT
-#define DEFAULT_MAP_WINDOW (UL(1) << (MMAP_VA_BITS - 1))
-#define STACK_TOP_MAX TASK_SIZE_64
-
#define arch_get_mmap_end(addr, len, flags) \
({ \
unsigned long mmap_end; \
typeof(addr) _addr = (addr); \
- if ((_addr) == 0 || (IS_ENABLED(CONFIG_COMPAT) && is_compat_task())) \
+ if ((_addr) == 0 || \
+ (IS_ENABLED(CONFIG_COMPAT) && is_compat_task()) || \
+ ((_addr + len) > BIT(VA_BITS - 1))) \
mmap_end = STACK_TOP_MAX; \
- else if ((_addr) >= VA_USER_SV57) \
- mmap_end = STACK_TOP_MAX; \
- else if ((((_addr) >= VA_USER_SV48)) && (VA_BITS >= VA_BITS_SV48)) \
- mmap_end = VA_USER_SV48; \
else \
- mmap_end = VA_USER_SV39; \
+ mmap_end = (_addr + len); \
mmap_end; \
})
@@ -39,17 +33,18 @@
typeof(addr) _addr = (addr); \
typeof(base) _base = (base); \
unsigned long rnd_gap = DEFAULT_MAP_WINDOW - (_base); \
- if ((_addr) == 0 || (IS_ENABLED(CONFIG_COMPAT) && is_compat_task())) \
+ if ((_addr) == 0 || \
+ (IS_ENABLED(CONFIG_COMPAT) && is_compat_task()) || \
+ ((_addr + len) > BIT(VA_BITS - 1))) \
mmap_base = (_base); \
- else if (((_addr) >= VA_USER_SV57) && (VA_BITS >= VA_BITS_SV57)) \
- mmap_base = VA_USER_SV57 - rnd_gap; \
- else if ((((_addr) >= VA_USER_SV48)) && (VA_BITS >= VA_BITS_SV48)) \
- mmap_base = VA_USER_SV48 - rnd_gap; \
else \
- mmap_base = VA_USER_SV39 - rnd_gap; \
+ mmap_base = (_addr + len) - rnd_gap; \
mmap_base; \
})
+#ifdef CONFIG_64BIT
+#define DEFAULT_MAP_WINDOW (UL(1) << (MMAP_VA_BITS - 1))
+#define STACK_TOP_MAX TASK_SIZE_64
#else
#define DEFAULT_MAP_WINDOW TASK_SIZE
#define STACK_TOP_MAX TASK_SIZE
--
GitLab
From 73d05262a2ca28c72c5aec57d79b47c251fe77c5 Mon Sep 17 00:00:00 2001
From: Charlie Jenkins <charlie@rivosinc.com>
Date: Tue, 30 Jan 2024 17:07:01 -0800
Subject: [PATCH 1204/2686] selftests: riscv: Generalize mm selftests
The behavior of mmap on riscv is defined to not provide an address that
uses more bits than the hint address, if provided. Make the tests
reflect that.
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20240130-use_mmap_hint_address-v3-2-8a655cfa8bcb@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
.../selftests/riscv/mm/mmap_bottomup.c | 23 +---
.../testing/selftests/riscv/mm/mmap_default.c | 23 +---
tools/testing/selftests/riscv/mm/mmap_test.h | 107 +++++++++++-------
3 files changed, 67 insertions(+), 86 deletions(-)
diff --git a/tools/testing/selftests/riscv/mm/mmap_bottomup.c b/tools/testing/selftests/riscv/mm/mmap_bottomup.c
index 1757d19ca89b1..7f7d3eb8b9c92 100644
--- a/tools/testing/selftests/riscv/mm/mmap_bottomup.c
+++ b/tools/testing/selftests/riscv/mm/mmap_bottomup.c
@@ -6,30 +6,9 @@
TEST(infinite_rlimit)
{
-// Only works on 64 bit
-#if __riscv_xlen == 64
- struct addresses mmap_addresses;
-
EXPECT_EQ(BOTTOM_UP, memory_layout());
- do_mmaps(&mmap_addresses);
-
- EXPECT_NE(MAP_FAILED, mmap_addresses.no_hint);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_37_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_38_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_46_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_47_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_55_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_56_addr);
-
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.no_hint);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_37_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_38_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_46_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_47_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_55_addr);
- EXPECT_GT(1UL << 56, (unsigned long)mmap_addresses.on_56_addr);
-#endif
+ TEST_MMAPS;
}
TEST_HARNESS_MAIN
diff --git a/tools/testing/selftests/riscv/mm/mmap_default.c b/tools/testing/selftests/riscv/mm/mmap_default.c
index c63c60b9397e7..2ba3ec9900064 100644
--- a/tools/testing/selftests/riscv/mm/mmap_default.c
+++ b/tools/testing/selftests/riscv/mm/mmap_default.c
@@ -6,30 +6,9 @@
TEST(default_rlimit)
{
-// Only works on 64 bit
-#if __riscv_xlen == 64
- struct addresses mmap_addresses;
-
EXPECT_EQ(TOP_DOWN, memory_layout());
- do_mmaps(&mmap_addresses);
-
- EXPECT_NE(MAP_FAILED, mmap_addresses.no_hint);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_37_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_38_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_46_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_47_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_55_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_56_addr);
-
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.no_hint);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_37_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_38_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_46_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_47_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_55_addr);
- EXPECT_GT(1UL << 56, (unsigned long)mmap_addresses.on_56_addr);
-#endif
+ TEST_MMAPS;
}
TEST_HARNESS_MAIN
diff --git a/tools/testing/selftests/riscv/mm/mmap_test.h b/tools/testing/selftests/riscv/mm/mmap_test.h
index 9b8434f62f570..36e78d991d5e2 100644
--- a/tools/testing/selftests/riscv/mm/mmap_test.h
+++ b/tools/testing/selftests/riscv/mm/mmap_test.h
@@ -4,60 +4,83 @@
#include <sys/mman.h>
#include <sys/resource.h>
#include <stddef.h>
+#include <strings.h>
+#include "../../kselftest_harness.h"
#define TOP_DOWN 0
#define BOTTOM_UP 1
-struct addresses {
- int *no_hint;
- int *on_37_addr;
- int *on_38_addr;
- int *on_46_addr;
- int *on_47_addr;
- int *on_55_addr;
- int *on_56_addr;
+#if __riscv_xlen == 64
+uint64_t random_addresses[] = {
+ 0x19764f0d73b3a9f0, 0x016049584cecef59, 0x3580bdd3562f4acd,
+ 0x1164219f20b17da0, 0x07d97fcb40ff2373, 0x76ec528921272ee7,
+ 0x4dd48c38a3de3f70, 0x2e11415055f6997d, 0x14b43334ac476c02,
+ 0x375a60795aff19f6, 0x47f3051725b8ee1a, 0x4e697cf240494a9f,
+ 0x456b59b5c2f9e9d1, 0x101724379d63cb96, 0x7fe9ad31619528c1,
+ 0x2f417247c495c2ea, 0x329a5a5b82943a5e, 0x06d7a9d6adcd3827,
+ 0x327b0b9ee37f62d5, 0x17c7b1851dfd9b76, 0x006ebb6456ec2cd9,
+ 0x00836cd14146a134, 0x00e5c4dcde7126db, 0x004c29feadf75753,
+ 0x00d8b20149ed930c, 0x00d71574c269387a, 0x0006ebe4a82acb7a,
+ 0x0016135df51f471b, 0x00758bdb55455160, 0x00d0bdd949b13b32,
+ 0x00ecea01e7c5f54b, 0x00e37b071b9948b1, 0x0011fdd00ff57ab3,
+ 0x00e407294b52f5ea, 0x00567748c200ed20, 0x000d073084651046,
+ 0x00ac896f4365463c, 0x00eb0d49a0b26216, 0x0066a2564a982a31,
+ 0x002e0d20237784ae, 0x0000554ff8a77a76, 0x00006ce07a54c012,
+ 0x000009570516d799, 0x00000954ca15b84d, 0x0000684f0d453379,
+ 0x00002ae5816302b5, 0x0000042403fb54bf, 0x00004bad7392bf30,
+ 0x00003e73bfa4b5e3, 0x00005442c29978e0, 0x00002803f11286b6,
+ 0x000073875d745fc6, 0x00007cede9cb8240, 0x000027df84cc6a4f,
+ 0x00006d7e0e74242a, 0x00004afd0b836e02, 0x000047d0e837cd82,
+ 0x00003b42405efeda, 0x00001531bafa4c95, 0x00007172cae34ac4,
};
+#else
+uint32_t random_addresses[] = {
+ 0x8dc302e0, 0x929ab1e0, 0xb47683ba, 0xea519c73, 0xa19f1c90, 0xc49ba213,
+ 0x8f57c625, 0xadfe5137, 0x874d4d95, 0xaa20f09d, 0xcf21ebfc, 0xda7737f1,
+ 0xcedf392a, 0x83026c14, 0xccedca52, 0xc6ccf826, 0xe0cd9415, 0x997472ca,
+ 0xa21a44c1, 0xe82196f5, 0xa23fd66b, 0xc28d5590, 0xd009cdce, 0xcf0be646,
+ 0x8fc8c7ff, 0xe2a85984, 0xa3d3236b, 0x89a0619d, 0xc03db924, 0xb5d4cc1b,
+ 0xb96ee04c, 0xd191da48, 0xb432a000, 0xaa2bebbc, 0xa2fcb289, 0xb0cca89b,
+ 0xb0c18d6a, 0x88f58deb, 0xa4d42d1c, 0xe4d74e86, 0x99902b09, 0x8f786d31,
+ 0xbec5e381, 0x9a727e65, 0xa9a65040, 0xa880d789, 0x8f1b335e, 0xfc821c1e,
+ 0x97e34be4, 0xbbef84ed, 0xf447d197, 0xfd7ceee2, 0xe632348d, 0xee4590f4,
+ 0x958992a5, 0xd57e05d6, 0xfd240970, 0xc5b0dcff, 0xd96da2c2, 0xa7ae041d,
+};
+#endif
-static inline void do_mmaps(struct addresses *mmap_addresses)
-{
- /*
- * Place all of the hint addresses on the boundaries of mmap
- * sv39, sv48, sv57
- * User addresses end at 1<<38, 1<<47, 1<<56 respectively
- */
- void *on_37_bits = (void *)(1UL << 37);
- void *on_38_bits = (void *)(1UL << 38);
- void *on_46_bits = (void *)(1UL << 46);
- void *on_47_bits = (void *)(1UL << 47);
- void *on_55_bits = (void *)(1UL << 55);
- void *on_56_bits = (void *)(1UL << 56);
+#define PROT (PROT_READ | PROT_WRITE)
+#define FLAGS (MAP_PRIVATE | MAP_ANONYMOUS)
- int prot = PROT_READ | PROT_WRITE;
- int flags = MAP_PRIVATE | MAP_ANONYMOUS;
+/* mmap must return a value that doesn't use more bits than the hint address. */
+static inline unsigned long get_max_value(unsigned long input)
+{
+ unsigned long max_bit = (1UL << (((sizeof(unsigned long) * 8) - 1 -
+ __builtin_clzl(input))));
- mmap_addresses->no_hint =
- mmap(NULL, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_37_addr =
- mmap(on_37_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_38_addr =
- mmap(on_38_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_46_addr =
- mmap(on_46_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_47_addr =
- mmap(on_47_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_55_addr =
- mmap(on_55_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_56_addr =
- mmap(on_56_bits, 5 * sizeof(int), prot, flags, 0, 0);
+ return max_bit + (max_bit - 1);
}
+#define TEST_MMAPS \
+ ({ \
+ void *mmap_addr; \
+ for (int i = 0; i < ARRAY_SIZE(random_addresses); i++) { \
+ mmap_addr = mmap((void *)random_addresses[i], \
+ 5 * sizeof(int), PROT, FLAGS, 0, 0); \
+ EXPECT_NE(MAP_FAILED, mmap_addr); \
+ EXPECT_GE((void *)get_max_value(random_addresses[i]), \
+ mmap_addr); \
+ mmap_addr = mmap((void *)random_addresses[i], \
+ 5 * sizeof(int), PROT, FLAGS, 0, 0); \
+ EXPECT_NE(MAP_FAILED, mmap_addr); \
+ EXPECT_GE((void *)get_max_value(random_addresses[i]), \
+ mmap_addr); \
+ } \
+ })
+
static inline int memory_layout(void)
{
- int prot = PROT_READ | PROT_WRITE;
- int flags = MAP_PRIVATE | MAP_ANONYMOUS;
-
- void *value1 = mmap(NULL, sizeof(int), prot, flags, 0, 0);
- void *value2 = mmap(NULL, sizeof(int), prot, flags, 0, 0);
+ void *value1 = mmap(NULL, sizeof(int), PROT, FLAGS, 0, 0);
+ void *value2 = mmap(NULL, sizeof(int), PROT, FLAGS, 0, 0);
return value2 > value1;
}
--
GitLab
From 371a3c2055dbb8a88754902fe19aa4fcc4318c29 Mon Sep 17 00:00:00 2001
From: Charlie Jenkins <charlie@rivosinc.com>
Date: Tue, 30 Jan 2024 17:07:02 -0800
Subject: [PATCH 1205/2686] docs: riscv: Define behavior of mmap
Define mmap on riscv to not provide an address that uses more bits than
the hint address, if provided.
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20240130-use_mmap_hint_address-v3-3-8a655cfa8bcb@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
Documentation/arch/riscv/vm-layout.rst | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/Documentation/arch/riscv/vm-layout.rst b/Documentation/arch/riscv/vm-layout.rst
index 69ff6da1dbf8f..e476b4386bd9d 100644
--- a/Documentation/arch/riscv/vm-layout.rst
+++ b/Documentation/arch/riscv/vm-layout.rst
@@ -144,14 +144,8 @@ passing 0 into the hint address parameter of mmap. On CPUs with an address space
smaller than sv48, the CPU maximum supported address space will be the default.
Software can "opt-in" to receiving VAs from another VA space by providing
-a hint address to mmap. A hint address passed to mmap will cause the largest
-address space that fits entirely into the hint to be used, unless there is no
-space left in the address space. If there is no space available in the requested
-address space, an address in the next smallest available address space will be
-returned.
-
-For example, in order to obtain 48-bit VA space, a hint address greater than
-:code:`1 << 47` must be provided. Note that this is 47 due to sv48 userspace
-ending at :code:`1 << 47` and the addresses beyond this are reserved for the
-kernel. Similarly, to obtain 57-bit VA space addresses, a hint address greater
-than or equal to :code:`1 << 56` must be provided.
+a hint address to mmap. When a hint address is passed to mmap, the returned
+address will never use more bits than the hint address. For example, if a hint
+address of `1 << 40` is passed to mmap, a valid returned address will never use
+bits 41 through 63. If no mappable addresses are available in that range, mmap
+will return `MAP_FAILED`.
--
GitLab
From de105068fead55ed5c07ade75e9c8e7f86a00d1d Mon Sep 17 00:00:00 2001
From: Chunguang Xu <chunguang.xu@shopee.com>
Date: Mon, 11 Mar 2024 10:09:27 +0800
Subject: [PATCH 1206/2686] nvme: fix reconnection fail due to reserved tag
allocation
We found a issue on production environment while using NVMe over RDMA,
admin_q reconnect failed forever while remote target and network is ok.
After dig into it, we found it may caused by a ABBA deadlock due to tag
allocation. In my case, the tag was hold by a keep alive request
waiting inside admin_q, as we quiesced admin_q while reset ctrl, so the
request maked as idle and will not process before reset success. As
fabric_q shares tagset with admin_q, while reconnect remote target, we
need a tag for connect command, but the only one reserved tag was held
by keep alive command which waiting inside admin_q. As a result, we
failed to reconnect admin_q forever. In order to fix this issue, I
think we should keep two reserved tags for admin queue.
Fixes: ed01fee283a0 ("nvme-fabrics: only reserve a single tag")
Signed-off-by: Chunguang Xu <chunguang.xu@shopee.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/core.c | 6 ++++--
drivers/nvme/host/fabrics.h | 7 -------
2 files changed, 4 insertions(+), 9 deletions(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 0dcaf3973dc49..fb55b6ac03856 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -4385,7 +4385,8 @@ int nvme_alloc_admin_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set,
set->ops = ops;
set->queue_depth = NVME_AQ_MQ_TAG_DEPTH;
if (ctrl->ops->flags & NVME_F_FABRICS)
- set->reserved_tags = NVMF_RESERVED_TAGS;
+ /* Reserved for fabric connect and keep alive */
+ set->reserved_tags = 2;
set->numa_node = ctrl->numa_node;
set->flags = BLK_MQ_F_NO_SCHED;
if (ctrl->ops->flags & NVME_F_BLOCKING)
@@ -4454,7 +4455,8 @@ int nvme_alloc_io_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set,
if (ctrl->quirks & NVME_QUIRK_SHARED_TAGS)
set->reserved_tags = NVME_AQ_DEPTH;
else if (ctrl->ops->flags & NVME_F_FABRICS)
- set->reserved_tags = NVMF_RESERVED_TAGS;
+ /* Reserved for fabric connect */
+ set->reserved_tags = 1;
set->numa_node = ctrl->numa_node;
set->flags = BLK_MQ_F_SHOULD_MERGE;
if (ctrl->ops->flags & NVME_F_BLOCKING)
diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h
index 06cc54851b1be..37c974c38dcb0 100644
--- a/drivers/nvme/host/fabrics.h
+++ b/drivers/nvme/host/fabrics.h
@@ -18,13 +18,6 @@
/* default is -1: the fail fast mechanism is disabled */
#define NVMF_DEF_FAIL_FAST_TMO -1
-/*
- * Reserved one command for internal usage. This command is used for sending
- * the connect command, as well as for the keep alive command on the admin
- * queue once live.
- */
-#define NVMF_RESERVED_TAGS 1
-
/*
* Define a host as seen by the target. We allocate one at boot, but also
* allow the override it when creating controllers. This is both to provide
--
GitLab
From dcad6f5f4303a224ac7a5802e7deffd46cf6f6cb Mon Sep 17 00:00:00 2001
From: Guixin Liu <kanie@linux.alibaba.com>
Date: Wed, 13 Mar 2024 10:29:05 +0800
Subject: [PATCH 1207/2686] nvme: use nvme_disk_is_ns_head helper
Use nvme_disk_is_ns_head helper instead of check fops directly,
and also drop CONFIG_NVME_MULTIPATH check.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/pr.c | 3 +--
drivers/nvme/host/sysfs.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/nvme/host/pr.c b/drivers/nvme/host/pr.c
index fc3eed00f9ff1..e05571b2a1b0c 100644
--- a/drivers/nvme/host/pr.c
+++ b/drivers/nvme/host/pr.c
@@ -97,8 +97,7 @@ static int nvme_sc_to_pr_err(int nvme_sc)
static int nvme_send_pr_command(struct block_device *bdev,
struct nvme_command *c, void *data, unsigned int data_len)
{
- if (IS_ENABLED(CONFIG_NVME_MULTIPATH) &&
- nvme_disk_is_ns_head(bdev->bd_disk))
+ if (nvme_disk_is_ns_head(bdev->bd_disk))
return nvme_send_ns_head_pr_command(bdev, c, data, data_len);
return nvme_send_ns_pr_command(bdev->bd_disk->private_data, c, data,
diff --git a/drivers/nvme/host/sysfs.c b/drivers/nvme/host/sysfs.c
index 6c7f1d5c056fc..243ebc4d471a8 100644
--- a/drivers/nvme/host/sysfs.c
+++ b/drivers/nvme/host/sysfs.c
@@ -236,8 +236,7 @@ static ssize_t nuse_show(struct device *dev, struct device_attribute *attr,
struct block_device *bdev = disk->part0;
int ret;
- if (IS_ENABLED(CONFIG_NVME_MULTIPATH) &&
- bdev->bd_disk->fops == &nvme_ns_head_ops)
+ if (nvme_disk_is_ns_head(bdev->bd_disk))
ret = ns_head_update_nuse(head);
else
ret = ns_update_nuse(bdev->bd_disk->private_data);
--
GitLab
From 8d539f755c316dd38c8c43c0c25d1b9d26a3b003 Mon Sep 17 00:00:00 2001
From: Guixin Liu <kanie@linux.alibaba.com>
Date: Tue, 12 Mar 2024 15:52:43 +0800
Subject: [PATCH 1208/2686] nvme: parse zns command's zsa and zrasf to string
Parse zone mgmt send commands's zsa and receive command's
zrasf to string to make the trace log more human-readable.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/trace.c | 38 +++++++++++++++++++++++++++++++++++---
1 file changed, 35 insertions(+), 3 deletions(-)
diff --git a/drivers/nvme/host/trace.c b/drivers/nvme/host/trace.c
index 1c36fcedea200..5e94b3c6d58a9 100644
--- a/drivers/nvme/host/trace.c
+++ b/drivers/nvme/host/trace.c
@@ -164,12 +164,27 @@ static const char *nvme_trace_dsm(struct trace_seq *p, u8 *cdw10)
static const char *nvme_trace_zone_mgmt_send(struct trace_seq *p, u8 *cdw10)
{
+ static const char * const zsa_strs[] = {
+ [0x01] = "close zone",
+ [0x02] = "finish zone",
+ [0x03] = "open zone",
+ [0x04] = "reset zone",
+ [0x05] = "offline zone",
+ [0x10] = "set zone descriptor extension"
+ };
const char *ret = trace_seq_buffer_ptr(p);
u64 slba = get_unaligned_le64(cdw10);
+ const char *zsa_str;
u8 zsa = cdw10[12];
u8 all = cdw10[13];
- trace_seq_printf(p, "slba=%llu, zsa=%u, all=%u", slba, zsa, all);
+ if (zsa < ARRAY_SIZE(zsa_strs) && zsa_strs[zsa])
+ zsa_str = zsa_strs[zsa];
+ else
+ zsa_str = "reserved";
+
+ trace_seq_printf(p, "slba=%llu, zsa=%u:%s, all=%u",
+ slba, zsa, zsa_str, all);
trace_seq_putc(p, 0);
return ret;
@@ -177,15 +192,32 @@ static const char *nvme_trace_zone_mgmt_send(struct trace_seq *p, u8 *cdw10)
static const char *nvme_trace_zone_mgmt_recv(struct trace_seq *p, u8 *cdw10)
{
+ static const char * const zrasf_strs[] = {
+ [0x00] = "list all zones",
+ [0x01] = "list the zones in the ZSE: Empty state",
+ [0x02] = "list the zones in the ZSIO: Implicitly Opened state",
+ [0x03] = "list the zones in the ZSEO: Explicitly Opened state",
+ [0x04] = "list the zones in the ZSC: Closed state",
+ [0x05] = "list the zones in the ZSF: Full state",
+ [0x06] = "list the zones in the ZSRO: Read Only state",
+ [0x07] = "list the zones in the ZSO: Offline state",
+ [0x09] = "list the zones that have the zone attribute"
+ };
const char *ret = trace_seq_buffer_ptr(p);
u64 slba = get_unaligned_le64(cdw10);
u32 numd = get_unaligned_le32(cdw10 + 8);
u8 zra = cdw10[12];
u8 zrasf = cdw10[13];
+ const char *zrasf_str;
u8 pr = cdw10[14];
- trace_seq_printf(p, "slba=%llu, numd=%u, zra=%u, zrasf=%u, pr=%u",
- slba, numd, zra, zrasf, pr);
+ if (zrasf < ARRAY_SIZE(zrasf_strs) && zrasf_strs[zrasf])
+ zrasf_str = zrasf_strs[zrasf];
+ else
+ zrasf_str = "reserved";
+
+ trace_seq_printf(p, "slba=%llu, numd=%u, zra=%u, zrasf=%u:%s, pr=%u",
+ slba, numd, zra, zrasf, zrasf_str, pr);
trace_seq_putc(p, 0);
return ret;
--
GitLab
From 6a0164f9f4a0b629fd7a5414d6c7d21999141b5e Mon Sep 17 00:00:00 2001
From: Guixin Liu <kanie@linux.alibaba.com>
Date: Wed, 31 Jan 2024 17:12:20 +0800
Subject: [PATCH 1209/2686] nvme: add tracing of reservation commands
Add detailed parsing of reservation commands to make the trace log
more consistent and human-readable.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/trace.c | 62 +++++++++++++++++++++++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/drivers/nvme/host/trace.c b/drivers/nvme/host/trace.c
index 5e94b3c6d58a9..7e6719a3b624c 100644
--- a/drivers/nvme/host/trace.c
+++ b/drivers/nvme/host/trace.c
@@ -223,6 +223,60 @@ static const char *nvme_trace_zone_mgmt_recv(struct trace_seq *p, u8 *cdw10)
return ret;
}
+static const char *nvme_trace_resv_reg(struct trace_seq *p, u8 *cdw10)
+{
+ const char *ret = trace_seq_buffer_ptr(p);
+ u8 rrega = cdw10[0] & 0x7;
+ u8 iekey = (cdw10[0] >> 3) & 0x1;
+ u8 ptpl = (cdw10[3] >> 6) & 0x3;
+
+ trace_seq_printf(p, "rrega=%u, iekey=%u, ptpl=%u",
+ rrega, iekey, ptpl);
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+static const char *nvme_trace_resv_acq(struct trace_seq *p, u8 *cdw10)
+{
+ const char *ret = trace_seq_buffer_ptr(p);
+ u8 racqa = cdw10[0] & 0x7;
+ u8 iekey = (cdw10[0] >> 3) & 0x1;
+ u8 rtype = cdw10[1];
+
+ trace_seq_printf(p, "racqa=%u, iekey=%u, rtype=%u",
+ racqa, iekey, rtype);
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+static const char *nvme_trace_resv_rel(struct trace_seq *p, u8 *cdw10)
+{
+ const char *ret = trace_seq_buffer_ptr(p);
+ u8 rrela = cdw10[0] & 0x7;
+ u8 iekey = (cdw10[0] >> 3) & 0x1;
+ u8 rtype = cdw10[1];
+
+ trace_seq_printf(p, "rrela=%u, iekey=%u, rtype=%u",
+ rrela, iekey, rtype);
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+static const char *nvme_trace_resv_report(struct trace_seq *p, u8 *cdw10)
+{
+ const char *ret = trace_seq_buffer_ptr(p);
+ u32 numd = get_unaligned_le32(cdw10);
+ u8 eds = cdw10[4] & 0x1;
+
+ trace_seq_printf(p, "numd=%u, eds=%u", numd, eds);
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
static const char *nvme_trace_common(struct trace_seq *p, u8 *cdw10)
{
const char *ret = trace_seq_buffer_ptr(p);
@@ -275,6 +329,14 @@ const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p,
return nvme_trace_zone_mgmt_send(p, cdw10);
case nvme_cmd_zone_mgmt_recv:
return nvme_trace_zone_mgmt_recv(p, cdw10);
+ case nvme_cmd_resv_register:
+ return nvme_trace_resv_reg(p, cdw10);
+ case nvme_cmd_resv_acquire:
+ return nvme_trace_resv_acq(p, cdw10);
+ case nvme_cmd_resv_release:
+ return nvme_trace_resv_rel(p, cdw10);
+ case nvme_cmd_resv_report:
+ return nvme_trace_resv_report(p, cdw10);
default:
return nvme_trace_common(p, cdw10);
}
--
GitLab
From 798edad968ace3c15c3180ba72e427630022e2d9 Mon Sep 17 00:00:00 2001
From: Guixin Liu <kanie@linux.alibaba.com>
Date: Wed, 31 Jan 2024 17:12:22 +0800
Subject: [PATCH 1210/2686] nvme: parse format command's lbafu when tracing
Add the parse of format command's lbafu to calculate lbaf.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/trace.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/nvme/host/trace.c b/drivers/nvme/host/trace.c
index 7e6719a3b624c..0288315f00502 100644
--- a/drivers/nvme/host/trace.c
+++ b/drivers/nvme/host/trace.c
@@ -119,7 +119,10 @@ static const char *nvme_trace_get_lba_status(struct trace_seq *p,
static const char *nvme_trace_admin_format_nvm(struct trace_seq *p, u8 *cdw10)
{
const char *ret = trace_seq_buffer_ptr(p);
- u8 lbaf = cdw10[0] & 0xF;
+ /*
+ * lbafu(bit 13:12) is already in the upper 4 bits, lbafl: bit 03:00.
+ */
+ u8 lbaf = (cdw10[1] & 0x30) | (cdw10[0] & 0xF);
u8 mset = (cdw10[0] >> 4) & 0x1;
u8 pi = (cdw10[0] >> 5) & 0x7;
u8 pil = cdw10[1] & 0x1;
--
GitLab
From dc528770edb138e26a533f8a77de5c4db18ea7f3 Mon Sep 17 00:00:00 2001
From: Bharath SM <bharathsm@microsoft.com>
Date: Tue, 12 Mar 2024 21:21:41 -0500
Subject: [PATCH 1211/2686] cifs: defer close file handles having RH lease
Previously we only deferred closing file handles with RHW
lease. To enhance performance benefits from deferred closes,
we now include handles with RH leases as well.
Signed-off-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/file.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index ec25d3c3e1ee3..e7d5e8f972a0d 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -1073,6 +1073,19 @@ void smb2_deferred_work_close(struct work_struct *work)
_cifsFileInfo_put(cfile, true, false);
}
+static bool
+smb2_can_defer_close(struct inode *inode, struct cifs_deferred_close *dclose)
+{
+ struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+ struct cifsInodeInfo *cinode = CIFS_I(inode);
+
+ return (cifs_sb->ctx->closetimeo && cinode->lease_granted && dclose &&
+ (cinode->oplock == CIFS_CACHE_RHW_FLG ||
+ cinode->oplock == CIFS_CACHE_RH_FLG) &&
+ !test_bit(CIFS_INO_CLOSE_ON_LOCK, &cinode->flags));
+
+}
+
int cifs_close(struct inode *inode, struct file *file)
{
struct cifsFileInfo *cfile;
@@ -1086,10 +1099,8 @@ int cifs_close(struct inode *inode, struct file *file)
cfile = file->private_data;
file->private_data = NULL;
dclose = kmalloc(sizeof(struct cifs_deferred_close), GFP_KERNEL);
- if ((cifs_sb->ctx->closetimeo && cinode->oplock == CIFS_CACHE_RHW_FLG)
- && cinode->lease_granted &&
- !test_bit(CIFS_INO_CLOSE_ON_LOCK, &cinode->flags) &&
- dclose && !(cfile->status_file_deleted)) {
+ if ((cfile->status_file_deleted == false) &&
+ (smb2_can_defer_close(inode, dclose))) {
if (test_and_clear_bit(CIFS_INO_MODIFIED_ATTR, &cinode->flags)) {
inode_set_mtime_to_ts(inode,
inode_set_ctime_current(inode));
--
GitLab
From 13c0a74747cb7fdadf58c5d3a7d52cfca2d51736 Mon Sep 17 00:00:00 2001
From: Shyam Prasad N <sprasad@microsoft.com>
Date: Wed, 13 Mar 2024 10:40:41 +0000
Subject: [PATCH 1212/2686] cifs: make sure server interfaces are requested
only for SMB3+
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Some code paths for querying server interfaces make a false
assumption that it will only get called for SMB3+. Since this
function now can get called from a generic code paths, the correct
thing to do is to have specific handler for this functionality
per SMB dialect, and call this handler.
This change adds such a handler and implements this handler only
for SMB 3.0 and 3.1.1.
Cc: stable@vger.kernel.org
Cc: Jan Čermák <sairon@sairon.cz>
Reported-by: Paulo Alcantara <pc@manguebit.com>
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/cifsglob.h | 3 +++
fs/smb/client/connect.c | 6 +++++-
fs/smb/client/smb2ops.c | 2 ++
fs/smb/client/smb2pdu.c | 5 +++--
4 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h
index 8be62ed053a25..3da625d532359 100644
--- a/fs/smb/client/cifsglob.h
+++ b/fs/smb/client/cifsglob.h
@@ -355,6 +355,9 @@ struct smb_version_operations {
/* informational QFS call */
void (*qfs_tcon)(const unsigned int, struct cifs_tcon *,
struct cifs_sb_info *);
+ /* query for server interfaces */
+ int (*query_server_interfaces)(const unsigned int, struct cifs_tcon *,
+ bool);
/* check if a path is accessible or not */
int (*is_path_accessible)(const unsigned int, struct cifs_tcon *,
struct cifs_sb_info *, const char *);
diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index 86ae578904a26..4cbb79418e506 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -123,12 +123,16 @@ static void smb2_query_server_interfaces(struct work_struct *work)
struct cifs_tcon *tcon = container_of(work,
struct cifs_tcon,
query_interfaces.work);
+ struct TCP_Server_Info *server = tcon->ses->server;
/*
* query server network interfaces, in case they change
*/
+ if (!server->ops->query_server_interfaces)
+ return;
+
xid = get_xid();
- rc = SMB3_request_interfaces(xid, tcon, false);
+ rc = server->ops->query_server_interfaces(xid, tcon, false);
free_xid(xid);
if (rc) {
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index 6ee22d0dbc006..2ed456948f34c 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -5290,6 +5290,7 @@ struct smb_version_operations smb30_operations = {
.tree_connect = SMB2_tcon,
.tree_disconnect = SMB2_tdis,
.qfs_tcon = smb3_qfs_tcon,
+ .query_server_interfaces = SMB3_request_interfaces,
.is_path_accessible = smb2_is_path_accessible,
.can_echo = smb2_can_echo,
.echo = SMB2_echo,
@@ -5405,6 +5406,7 @@ struct smb_version_operations smb311_operations = {
.tree_connect = SMB2_tcon,
.tree_disconnect = SMB2_tdis,
.qfs_tcon = smb3_qfs_tcon,
+ .query_server_interfaces = SMB3_request_interfaces,
.is_path_accessible = smb2_is_path_accessible,
.can_echo = smb2_can_echo,
.echo = SMB2_echo,
diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c
index e5e6b14f8cae3..3ea688558e6c9 100644
--- a/fs/smb/client/smb2pdu.c
+++ b/fs/smb/client/smb2pdu.c
@@ -409,14 +409,15 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon,
spin_unlock(&ses->ses_lock);
if (!rc &&
- (server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL)) {
+ (server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL) &&
+ server->ops->query_server_interfaces) {
mutex_unlock(&ses->session_mutex);
/*
* query server network interfaces, in case they change
*/
xid = get_xid();
- rc = SMB3_request_interfaces(xid, tcon, false);
+ rc = server->ops->query_server_interfaces(xid, tcon, false);
free_xid(xid);
if (rc == -EOPNOTSUPP && ses->chan_count > 1) {
--
GitLab
From 16a57d7681110b25708c7042688412238e6f73a9 Mon Sep 17 00:00:00 2001
From: Shyam Prasad N <sprasad@microsoft.com>
Date: Wed, 13 Mar 2024 10:40:40 +0000
Subject: [PATCH 1213/2686] cifs: reduce warning log level for server not
advertising interfaces
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Several users have reported this log getting dumped too regularly to
kernel log. The likely root cause has been identified, and it suggests
that this situation is expected for some configurations
(for example SMB2.1).
Since the function returns appropriately even for such cases, it is
fairly harmless to make this a debug log. When needed, the verbosity
can be increased to capture this log.
Cc: stable@vger.kernel.org
Reported-by: Jan Čermák <sairon@sairon.cz>
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/sess.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/smb/client/sess.c b/fs/smb/client/sess.c
index 8f37373fd3334..3216f786908fb 100644
--- a/fs/smb/client/sess.c
+++ b/fs/smb/client/sess.c
@@ -230,7 +230,7 @@ int cifs_try_adding_channels(struct cifs_ses *ses)
spin_lock(&ses->iface_lock);
if (!ses->iface_count) {
spin_unlock(&ses->iface_lock);
- cifs_dbg(VFS, "server %s does not advertise interfaces\n",
+ cifs_dbg(ONCE, "server %s does not advertise interfaces\n",
ses->server->hostname);
break;
}
@@ -396,7 +396,7 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
spin_lock(&ses->iface_lock);
if (!ses->iface_count) {
spin_unlock(&ses->iface_lock);
- cifs_dbg(VFS, "server %s does not advertise interfaces\n", ses->server->hostname);
+ cifs_dbg(ONCE, "server %s does not advertise interfaces\n", ses->server->hostname);
return;
}
--
GitLab
From f1b8224b4e6ed59e7e6f5c548673c67410098d8d Mon Sep 17 00:00:00 2001
From: Eugene Korenevsky <ekorenevsky@astralinux.ru>
Date: Fri, 1 Mar 2024 17:53:44 +0300
Subject: [PATCH 1214/2686] cifs: open_cached_dir(): add FILE_READ_EA to
desired access
Since smb2_query_eas() reads EA and uses cached directory,
open_cached_dir() should request FILE_READ_EA access.
Otherwise listxattr() and getxattr() will fail with EACCES
(0xc0000022 STATUS_ACCESS_DENIED SMB status).
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218543
Cc: stable@vger.kernel.org
Signed-off-by: Eugene Korenevsky <ekorenevsky@astralinux.ru>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/cached_dir.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/smb/client/cached_dir.c b/fs/smb/client/cached_dir.c
index 3de5047a7ff98..a0017724d5239 100644
--- a/fs/smb/client/cached_dir.c
+++ b/fs/smb/client/cached_dir.c
@@ -239,7 +239,8 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon,
.tcon = tcon,
.path = path,
.create_options = cifs_create_options(cifs_sb, CREATE_NOT_FILE),
- .desired_access = FILE_READ_DATA | FILE_READ_ATTRIBUTES,
+ .desired_access = FILE_READ_DATA | FILE_READ_ATTRIBUTES |
+ FILE_READ_EA,
.disposition = FILE_OPEN,
.fid = pfid,
.replay = !!(retries),
--
GitLab
From fc20c523211a38b87fc850a959cb2149e4fd64b0 Mon Sep 17 00:00:00 2001
From: Meetakshi Setiya <msetiya@microsoft.com>
Date: Thu, 14 Mar 2024 08:05:49 -0400
Subject: [PATCH 1215/2686] cifs: fixes for get_inode_info
Fix potential memory leaks, add error checking, remove unnecessary
initialisation of status_file_deleted and do not use cifs_iget() to get
inode in reparse_info_to_fattr since fattrs may not be fully set.
Fixes: ffceb7640cbf ("smb: client: do not defer close open handles to deleted files")
Reported-by: Paulo Alcantara <pc@manguebit.com>
Signed-off-by: Meetakshi Setiya <msetiya@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/file.c | 1 -
fs/smb/client/inode.c | 24 +++++++++++++-----------
2 files changed, 13 insertions(+), 12 deletions(-)
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index e7d5e8f972a0d..16aadce492b2e 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -486,7 +486,6 @@ struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid, struct file *file,
cfile->uid = current_fsuid();
cfile->dentry = dget(dentry);
cfile->f_flags = file->f_flags;
- cfile->status_file_deleted = false;
cfile->invalidHandle = false;
cfile->deferred_close_scheduled = false;
cfile->tlink = cifs_get_tlink(tlink);
diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c
index 8177ec59afeef..6092729bf7f67 100644
--- a/fs/smb/client/inode.c
+++ b/fs/smb/client/inode.c
@@ -820,8 +820,10 @@ cifs_get_file_info(struct file *filp)
void *page = alloc_dentry_path();
const unsigned char *path;
- if (!server->ops->query_file_info)
+ if (!server->ops->query_file_info) {
+ free_dentry_path(page);
return -ENOSYS;
+ }
xid = get_xid();
rc = server->ops->query_file_info(xid, tcon, cfile, &data);
@@ -835,8 +837,8 @@ cifs_get_file_info(struct file *filp)
}
path = build_path_from_dentry(dentry, page);
if (IS_ERR(path)) {
- free_dentry_path(page);
- return PTR_ERR(path);
+ rc = PTR_ERR(path);
+ goto cgfi_exit;
}
cifs_open_info_to_fattr(&fattr, &data, inode->i_sb);
if (fattr.cf_flags & CIFS_FATTR_DELETE_PENDING)
@@ -1009,7 +1011,6 @@ static int reparse_info_to_fattr(struct cifs_open_info_data *data,
struct kvec rsp_iov, *iov = NULL;
int rsp_buftype = CIFS_NO_BUFFER;
u32 tag = data->reparse.tag;
- struct inode *inode = NULL;
int rc = 0;
if (!tag && server->ops->query_reparse_point) {
@@ -1049,12 +1050,8 @@ static int reparse_info_to_fattr(struct cifs_open_info_data *data,
if (tcon->posix_extensions)
smb311_posix_info_to_fattr(fattr, data, sb);
- else {
+ else
cifs_open_info_to_fattr(fattr, data, sb);
- inode = cifs_iget(sb, fattr);
- if (inode && fattr->cf_flags & CIFS_FATTR_DELETE_PENDING)
- cifs_mark_open_handles_for_deleted_file(inode, full_path);
- }
out:
fattr->cf_cifstag = data->reparse.tag;
free_rsp_buf(rsp_buftype, rsp_iov.iov_base);
@@ -1109,9 +1106,9 @@ static int cifs_get_fattr(struct cifs_open_info_data *data,
full_path, fattr);
} else {
cifs_open_info_to_fattr(fattr, data, sb);
- if (fattr->cf_flags & CIFS_FATTR_DELETE_PENDING)
- cifs_mark_open_handles_for_deleted_file(*inode, full_path);
}
+ if (!rc && fattr->cf_flags & CIFS_FATTR_DELETE_PENDING)
+ cifs_mark_open_handles_for_deleted_file(*inode, full_path);
break;
case -EREMOTE:
/* DFS link, no metadata available on this server */
@@ -1340,6 +1337,8 @@ int smb311_posix_get_inode_info(struct inode **inode,
goto out;
rc = update_inode_info(sb, &fattr, inode);
+ if (!rc && fattr.cf_flags & CIFS_FATTR_DELETE_PENDING)
+ cifs_mark_open_handles_for_deleted_file(*inode, full_path);
out:
kfree(fattr.cf_symlink_target);
return rc;
@@ -1501,6 +1500,9 @@ struct inode *cifs_root_iget(struct super_block *sb)
goto out;
}
+ if (!rc && fattr.cf_flags & CIFS_FATTR_DELETE_PENDING)
+ cifs_mark_open_handles_for_deleted_file(inode, path);
+
if (rc && tcon->pipe) {
cifs_dbg(FYI, "ipc connection - fake read inode\n");
spin_lock(&inode->i_lock);
--
GitLab
From 2760161d149f8d60c3f767fc62a823a1ead9d367 Mon Sep 17 00:00:00 2001
From: Bharath SM <bharathsm@microsoft.com>
Date: Thu, 14 Mar 2024 23:36:36 +0530
Subject: [PATCH 1216/2686] cifs: remove redundant variable assignment
This removes an unnecessary variable assignment. The assigned
value will be overwritten by cifs_fattr_to_inode before it
is accessed, making the line redundant.
Signed-off-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/inode.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c
index 6092729bf7f67..d28ab0af60493 100644
--- a/fs/smb/client/inode.c
+++ b/fs/smb/client/inode.c
@@ -401,7 +401,6 @@ cifs_get_file_info_unix(struct file *filp)
cifs_unix_basic_to_fattr(&fattr, &find_data, cifs_sb);
} else if (rc == -EREMOTE) {
cifs_create_junction_fattr(&fattr, inode->i_sb);
- rc = 0;
} else
goto cifs_gfiunix_out;
@@ -846,7 +845,6 @@ cifs_get_file_info(struct file *filp)
break;
case -EREMOTE:
cifs_create_junction_fattr(&fattr, inode->i_sb);
- rc = 0;
break;
case -EOPNOTSUPP:
case -EINVAL:
--
GitLab
From 44d79142ede8162fd67bf8ca4ddbda1fbcfa94f1 Mon Sep 17 00:00:00 2001
From: Puranjay Mohan <puranjay12@gmail.com>
Date: Thu, 14 Mar 2024 17:49:31 +0000
Subject: [PATCH 1217/2686] bpf: Temporarily disable atomic operations in BPF
arena
Currently, the x86 JIT handling PROBE_MEM32 tagged accesses is not
equipped to handle atomic accesses into PTR_TO_ARENA, as no PROBE_MEM32
tagging is performed and no handling is enabled for them.
This will lead to unsafety as the offset into arena will dereferenced
directly without turning it into a base + offset access into the arena
region.
Since the changes to the x86 JIT will be fairly involved, for now,
temporarily disallow use of PTR_TO_ARENA as the destination operand for
atomics until support is added to the JIT backend.
Fixes: 2fe99eb0ccf2 ("bpf: Add x86-64 JIT support for PROBE_MEM32 pseudo instructions.")
Reported-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Puranjay Mohan <puranjay12@gmail.com>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Message-ID: <20240314174931.98702-1-puranjay12@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
kernel/bpf/verifier.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 63749ad5ac6b8..1dd3b99d1bb96 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -5682,6 +5682,13 @@ static bool is_flow_key_reg(struct bpf_verifier_env *env, int regno)
return reg->type == PTR_TO_FLOW_KEYS;
}
+static bool is_arena_reg(struct bpf_verifier_env *env, int regno)
+{
+ const struct bpf_reg_state *reg = reg_state(env, regno);
+
+ return reg->type == PTR_TO_ARENA;
+}
+
static u32 *reg2btf_ids[__BPF_REG_TYPE_MAX] = {
#ifdef CONFIG_NET
[PTR_TO_SOCKET] = &btf_sock_ids[BTF_SOCK_TYPE_SOCK],
@@ -7019,7 +7026,8 @@ static int check_atomic(struct bpf_verifier_env *env, int insn_idx, struct bpf_i
if (is_ctx_reg(env, insn->dst_reg) ||
is_pkt_reg(env, insn->dst_reg) ||
is_flow_key_reg(env, insn->dst_reg) ||
- is_sk_reg(env, insn->dst_reg)) {
+ is_sk_reg(env, insn->dst_reg) ||
+ is_arena_reg(env, insn->dst_reg)) {
verbose(env, "BPF_ATOMIC stores into R%d %s is not allowed\n",
insn->dst_reg,
reg_type_str(env, reg_state(env, insn->dst_reg)->type));
--
GitLab
From 386021394394eccef248dc5eb9c9370240821a8c Mon Sep 17 00:00:00 2001
From: Matthew Brost <matthew.brost@intel.com>
Date: Tue, 12 Mar 2024 11:39:07 -0700
Subject: [PATCH 1218/2686] drm/xe: Invalidate userptr VMA on page pin fault
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Rather than return an error to the user or ban the VM when userptr VMA
page pin fails with -EFAULT, invalidate VMA mappings. This supports the
UMD use case of freeing userptr while still having bindings.
Now that non-faulting VMs can invalidate VMAs, drop the usm prefix for
the tile_invalidated member.
v2:
- Fix build error (CI)
v3:
- Don't invalidate VMA if in fault mode, rather kill VM (Thomas)
- Update commit message with tile_invalidated name chagne (Thomas)
- Wait VM bookkeep slots with VM resv lock (Thomas)
v4:
- Move list_del_init(&userptr.repin_link) after error check (Thomas)
- Assert not in fault mode (Matthew)
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240312183907.933835-1-matthew.brost@intel.com
(cherry picked from commit 521db22a1d70dbc596a07544a738416025b1b63c)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_gt_pagefault.c | 4 ++--
drivers/gpu/drm/xe/xe_trace.h | 2 +-
drivers/gpu/drm/xe/xe_vm.c | 32 +++++++++++++++++++++-------
drivers/gpu/drm/xe/xe_vm_types.h | 7 ++----
4 files changed, 29 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c
index 73c535193a984..241c294270d91 100644
--- a/drivers/gpu/drm/xe/xe_gt_pagefault.c
+++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c
@@ -69,7 +69,7 @@ static bool access_is_atomic(enum access_type access_type)
static bool vma_is_valid(struct xe_tile *tile, struct xe_vma *vma)
{
return BIT(tile->id) & vma->tile_present &&
- !(BIT(tile->id) & vma->usm.tile_invalidated);
+ !(BIT(tile->id) & vma->tile_invalidated);
}
static bool vma_matches(struct xe_vma *vma, u64 page_addr)
@@ -226,7 +226,7 @@ static int handle_pagefault(struct xe_gt *gt, struct pagefault *pf)
if (xe_vma_is_userptr(vma))
ret = xe_vma_userptr_check_repin(to_userptr_vma(vma));
- vma->usm.tile_invalidated &= ~BIT(tile->id);
+ vma->tile_invalidated &= ~BIT(tile->id);
unlock_dma_resv:
drm_exec_fini(&exec);
diff --git a/drivers/gpu/drm/xe/xe_trace.h b/drivers/gpu/drm/xe/xe_trace.h
index 3b97633d81d85..d82c138f1ecef 100644
--- a/drivers/gpu/drm/xe/xe_trace.h
+++ b/drivers/gpu/drm/xe/xe_trace.h
@@ -464,7 +464,7 @@ DEFINE_EVENT(xe_vma, xe_vma_userptr_invalidate,
TP_ARGS(vma)
);
-DEFINE_EVENT(xe_vma, xe_vma_usm_invalidate,
+DEFINE_EVENT(xe_vma, xe_vma_invalidate,
TP_PROTO(struct xe_vma *vma),
TP_ARGS(vma)
);
diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index e3bde897f6e8a..3dd8bb64bb00b 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -708,6 +708,7 @@ int xe_vm_userptr_pin(struct xe_vm *vm)
int err = 0;
LIST_HEAD(tmp_evict);
+ xe_assert(vm->xe, !xe_vm_in_fault_mode(vm));
lockdep_assert_held_write(&vm->lock);
/* Collect invalidated userptrs */
@@ -724,11 +725,27 @@ int xe_vm_userptr_pin(struct xe_vm *vm)
list_for_each_entry_safe(uvma, next, &vm->userptr.repin_list,
userptr.repin_link) {
err = xe_vma_userptr_pin_pages(uvma);
- if (err < 0)
- return err;
+ if (err == -EFAULT) {
+ list_del_init(&uvma->userptr.repin_link);
- list_del_init(&uvma->userptr.repin_link);
- list_move_tail(&uvma->vma.combined_links.rebind, &vm->rebind_list);
+ /* Wait for pending binds */
+ xe_vm_lock(vm, false);
+ dma_resv_wait_timeout(xe_vm_resv(vm),
+ DMA_RESV_USAGE_BOOKKEEP,
+ false, MAX_SCHEDULE_TIMEOUT);
+
+ err = xe_vm_invalidate_vma(&uvma->vma);
+ xe_vm_unlock(vm);
+ if (err)
+ return err;
+ } else {
+ if (err < 0)
+ return err;
+
+ list_del_init(&uvma->userptr.repin_link);
+ list_move_tail(&uvma->vma.combined_links.rebind,
+ &vm->rebind_list);
+ }
}
return 0;
@@ -1987,7 +2004,7 @@ static int xe_vm_prefetch(struct xe_vm *vm, struct xe_vma *vma,
return err;
}
- if (vma->tile_mask != (vma->tile_present & ~vma->usm.tile_invalidated)) {
+ if (vma->tile_mask != (vma->tile_present & ~vma->tile_invalidated)) {
return xe_vm_bind(vm, vma, q, xe_vma_bo(vma), syncs, num_syncs,
true, first_op, last_op);
} else {
@@ -3185,9 +3202,8 @@ int xe_vm_invalidate_vma(struct xe_vma *vma)
u8 id;
int ret;
- xe_assert(xe, xe_vm_in_fault_mode(xe_vma_vm(vma)));
xe_assert(xe, !xe_vma_is_null(vma));
- trace_xe_vma_usm_invalidate(vma);
+ trace_xe_vma_invalidate(vma);
/* Check that we don't race with page-table updates */
if (IS_ENABLED(CONFIG_PROVE_LOCKING)) {
@@ -3225,7 +3241,7 @@ int xe_vm_invalidate_vma(struct xe_vma *vma)
}
}
- vma->usm.tile_invalidated = vma->tile_mask;
+ vma->tile_invalidated = vma->tile_mask;
return 0;
}
diff --git a/drivers/gpu/drm/xe/xe_vm_types.h b/drivers/gpu/drm/xe/xe_vm_types.h
index 292f8cadb40fd..713996f7dc59f 100644
--- a/drivers/gpu/drm/xe/xe_vm_types.h
+++ b/drivers/gpu/drm/xe/xe_vm_types.h
@@ -83,11 +83,8 @@ struct xe_vma {
struct work_struct destroy_work;
};
- /** @usm: unified shared memory state */
- struct {
- /** @tile_invalidated: VMA has been invalidated */
- u8 tile_invalidated;
- } usm;
+ /** @tile_invalidated: VMA has been invalidated */
+ u8 tile_invalidated;
/** @tile_mask: Tile mask of where to create binding for this VMA */
u8 tile_mask;
--
GitLab
From d58b4ef63b5024993906e74f04fda8220ad4c162 Mon Sep 17 00:00:00 2001
From: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Date: Wed, 13 Mar 2024 20:35:44 +0530
Subject: [PATCH 1219/2686] drm/xe: Return if kobj creation is failed
Return after warning regarding kobj creation failure.
Fixes: 4ae3aeab32d7 ("drm/xe: Add vram frequency sysfs attributes")
Cc: Sujaritha Sundaresan <sujaritha.sundaresan@intel.com>
Cc: Tejas Upadhyay <tejas.upadhyay@intel.com>
Cc: Bommu Krishnaiah <krishnaiah.bommu@intel.com>
Reviewed-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240313150545.2830408-2-himal.prasad.ghimiray@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 989d07ac6bb7d269e975f85e8f683f496faa0380)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_vram_freq.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/xe/xe_vram_freq.c b/drivers/gpu/drm/xe/xe_vram_freq.c
index 079cc283a1866..c5f6b5a5d1176 100644
--- a/drivers/gpu/drm/xe/xe_vram_freq.c
+++ b/drivers/gpu/drm/xe/xe_vram_freq.c
@@ -111,8 +111,10 @@ void xe_vram_freq_sysfs_init(struct xe_tile *tile)
return;
kobj = kobject_create_and_add("memory", tile->sysfs);
- if (!kobj)
+ if (!kobj) {
drm_warn(&xe->drm, "failed to add memory directory, err: %d\n", -ENOMEM);
+ return;
+ }
err = sysfs_create_group(kobj, &freq_group_attrs);
if (err) {
--
GitLab
From dd8a07f06dfd946e0eea1a3323d52e7c28a6ed80 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= <jose.souza@intel.com>
Date: Wed, 13 Mar 2024 10:13:18 -0700
Subject: [PATCH 1220/2686] drm/xe: Skip VMAs pin when requesting signal to the
last XE_EXEC
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Doing a XE_EXEC with num_batch_buffer == 0 makes signals passed as
argument to be signaled when the last real XE_EXEC is completed.
But to do that it was first pinning all VMAs in drm_gpuvm_exec_lock(),
this patch remove this pinning as it is not required.
This change also help Mesa implementing memory over-commiting recovery
as it needs to unbind not needed VMAs when the whole VM can't fit
in GPU memory but it can only do the unbiding when the last XE_EXEC
is completed.
So with this change Mesa can get the signal it want without getting
out-of-memory errors.
Fixes: eb9702ad2986 ("drm/xe: Allow num_batch_buffer / num_binds == 0 in IOCTLs")
Cc: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Co-developed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240313171318.121066-1-jose.souza@intel.com
(cherry picked from commit 58480c1c912ff8146d067301a0d04cca318b4a66)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_exec.c | 41 ++++++++++++++++++++----------------
1 file changed, 23 insertions(+), 18 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_exec.c b/drivers/gpu/drm/xe/xe_exec.c
index 952496c6260df..826c8b3896725 100644
--- a/drivers/gpu/drm/xe/xe_exec.c
+++ b/drivers/gpu/drm/xe/xe_exec.c
@@ -235,6 +235,29 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
goto err_unlock_list;
}
+ if (!args->num_batch_buffer) {
+ err = xe_vm_lock(vm, true);
+ if (err)
+ goto err_unlock_list;
+
+ if (!xe_vm_in_lr_mode(vm)) {
+ struct dma_fence *fence;
+
+ fence = xe_sync_in_fence_get(syncs, num_syncs, q, vm);
+ if (IS_ERR(fence)) {
+ err = PTR_ERR(fence);
+ goto err_unlock_list;
+ }
+ for (i = 0; i < num_syncs; i++)
+ xe_sync_entry_signal(&syncs[i], NULL, fence);
+ xe_exec_queue_last_fence_set(q, vm, fence);
+ dma_fence_put(fence);
+ }
+
+ xe_vm_unlock(vm);
+ goto err_unlock_list;
+ }
+
vm_exec.vm = &vm->gpuvm;
vm_exec.flags = DRM_EXEC_INTERRUPTIBLE_WAIT;
if (xe_vm_in_lr_mode(vm)) {
@@ -254,24 +277,6 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
goto err_exec;
}
- if (!args->num_batch_buffer) {
- if (!xe_vm_in_lr_mode(vm)) {
- struct dma_fence *fence;
-
- fence = xe_sync_in_fence_get(syncs, num_syncs, q, vm);
- if (IS_ERR(fence)) {
- err = PTR_ERR(fence);
- goto err_exec;
- }
- for (i = 0; i < num_syncs; i++)
- xe_sync_entry_signal(&syncs[i], NULL, fence);
- xe_exec_queue_last_fence_set(q, vm, fence);
- dma_fence_put(fence);
- }
-
- goto err_exec;
- }
-
if (xe_exec_queue_is_lr(q) && xe_exec_queue_ring_full(q)) {
err = -EWOULDBLOCK; /* Aliased to -EAGAIN */
skip_retry = true;
--
GitLab
From e54e09c05c00120cbe817bdb037088035be4bd79 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Tue, 12 Mar 2024 09:55:45 -0600
Subject: [PATCH 1221/2686] net: remove {revc,send}msg_copy_msghdr() from
exports
The only user of these was io_uring, and it's not using them anymore.
Make them static and remove them from the socket header file.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Link: https://lore.kernel.org/r/1b6089d3-c1cf-464a-abd3-b0f0b6bb2523@kernel.dk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
include/linux/socket.h | 7 -------
net/socket.c | 14 +++++++-------
tools/perf/trace/beauty/include/linux/socket.h | 7 -------
3 files changed, 7 insertions(+), 21 deletions(-)
diff --git a/include/linux/socket.h b/include/linux/socket.h
index cfcb7e2c3813f..139c330ccf2c3 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -422,13 +422,6 @@ extern long __sys_recvmsg_sock(struct socket *sock, struct msghdr *msg,
struct user_msghdr __user *umsg,
struct sockaddr __user *uaddr,
unsigned int flags);
-extern int sendmsg_copy_msghdr(struct msghdr *msg,
- struct user_msghdr __user *umsg, unsigned flags,
- struct iovec **iov);
-extern int recvmsg_copy_msghdr(struct msghdr *msg,
- struct user_msghdr __user *umsg, unsigned flags,
- struct sockaddr __user **uaddr,
- struct iovec **iov);
extern int __copy_msghdr(struct msghdr *kmsg,
struct user_msghdr *umsg,
struct sockaddr __user **save_addr);
diff --git a/net/socket.c b/net/socket.c
index 7e9c8fc9a5b45..e5f3af49a8b62 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2600,9 +2600,9 @@ static int ____sys_sendmsg(struct socket *sock, struct msghdr *msg_sys,
return err;
}
-int sendmsg_copy_msghdr(struct msghdr *msg,
- struct user_msghdr __user *umsg, unsigned flags,
- struct iovec **iov)
+static int sendmsg_copy_msghdr(struct msghdr *msg,
+ struct user_msghdr __user *umsg, unsigned flags,
+ struct iovec **iov)
{
int err;
@@ -2753,10 +2753,10 @@ SYSCALL_DEFINE4(sendmmsg, int, fd, struct mmsghdr __user *, mmsg,
return __sys_sendmmsg(fd, mmsg, vlen, flags, true);
}
-int recvmsg_copy_msghdr(struct msghdr *msg,
- struct user_msghdr __user *umsg, unsigned flags,
- struct sockaddr __user **uaddr,
- struct iovec **iov)
+static int recvmsg_copy_msghdr(struct msghdr *msg,
+ struct user_msghdr __user *umsg, unsigned flags,
+ struct sockaddr __user **uaddr,
+ struct iovec **iov)
{
ssize_t err;
diff --git a/tools/perf/trace/beauty/include/linux/socket.h b/tools/perf/trace/beauty/include/linux/socket.h
index cfcb7e2c3813f..139c330ccf2c3 100644
--- a/tools/perf/trace/beauty/include/linux/socket.h
+++ b/tools/perf/trace/beauty/include/linux/socket.h
@@ -422,13 +422,6 @@ extern long __sys_recvmsg_sock(struct socket *sock, struct msghdr *msg,
struct user_msghdr __user *umsg,
struct sockaddr __user *uaddr,
unsigned int flags);
-extern int sendmsg_copy_msghdr(struct msghdr *msg,
- struct user_msghdr __user *umsg, unsigned flags,
- struct iovec **iov);
-extern int recvmsg_copy_msghdr(struct msghdr *msg,
- struct user_msghdr __user *umsg, unsigned flags,
- struct sockaddr __user **uaddr,
- struct iovec **iov);
extern int __copy_msghdr(struct msghdr *kmsg,
struct user_msghdr *umsg,
struct sockaddr __user **save_addr);
--
GitLab
From 74098a989b9c3370f768140b7783a7aaec2759b3 Mon Sep 17 00:00:00 2001
From: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Date: Mon, 26 Feb 2024 16:39:13 +0100
Subject: [PATCH 1222/2686] btrfs: zoned: use zone aware sb location for scrub
At the moment scrub_supers() doesn't grab the super block's location via
the zoned device aware btrfs_sb_log_location() but via btrfs_sb_offset().
This leads to checksum errors on 'scrub' as we're not accessing the
correct location of the super block.
So use btrfs_sb_log_location() for getting the super blocks location on
scrub.
Reported-by: WA AM <waautomata@gmail.com>
Link: http://lore.kernel.org/linux-btrfs/CANU2Z0EvUzfYxczLgGUiREoMndE9WdQnbaawV5Fv5gNXptPUKw@mail.gmail.com
CC: stable@vger.kernel.org # 5.15+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/scrub.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index c4bd0e60db592..fa25004ab04e7 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -2812,7 +2812,17 @@ static noinline_for_stack int scrub_supers(struct scrub_ctx *sctx,
gen = btrfs_get_last_trans_committed(fs_info);
for (i = 0; i < BTRFS_SUPER_MIRROR_MAX; i++) {
- bytenr = btrfs_sb_offset(i);
+ ret = btrfs_sb_log_location(scrub_dev, i, 0, &bytenr);
+ if (ret == -ENOENT)
+ break;
+
+ if (ret) {
+ spin_lock(&sctx->stat_lock);
+ sctx->stat.super_errors++;
+ spin_unlock(&sctx->stat_lock);
+ continue;
+ }
+
if (bytenr + BTRFS_SUPER_INFO_SIZE >
scrub_dev->commit_total_bytes)
break;
--
GitLab
From 215b2bf72a05d702287fc45d854b4f5019f9aad1 Mon Sep 17 00:00:00 2001
From: "Darrick J. Wong" <djwong@kernel.org>
Date: Thu, 7 Mar 2024 15:13:52 -0800
Subject: [PATCH 1223/2686] xfs: fix dev_t usage in xmbuf tracepoints
Fix some inconsistencies in the xmbuf tracepoints -- they should be
reporting the major/minor of the filesystem that they're associated
with, so that we have some clue on whose behalf the xmbuf was created.
Fix the xmbuf_free tracepoint to report the same.
Don't call the trace function until the xmbuf is fully initialized.
Fixes: 5076a6040ca1 ("xfs: support in-memory buffer cache target")
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
---
fs/xfs/xfs_buf_mem.c | 4 ++--
fs/xfs/xfs_trace.h | 9 +++++++--
2 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/fs/xfs/xfs_buf_mem.c b/fs/xfs/xfs_buf_mem.c
index 8ad38c64708ec..9bb2d24de7094 100644
--- a/fs/xfs/xfs_buf_mem.c
+++ b/fs/xfs/xfs_buf_mem.c
@@ -81,8 +81,6 @@ xmbuf_alloc(
/* ensure all writes are below EOF to avoid pagecache zeroing */
i_size_write(inode, inode->i_sb->s_maxbytes);
- trace_xmbuf_create(btp);
-
error = xfs_buf_cache_init(btp->bt_cache);
if (error)
goto out_file;
@@ -99,6 +97,8 @@ xmbuf_alloc(
if (error)
goto out_bcache;
+ trace_xmbuf_create(btp);
+
*btpp = btp;
return 0;
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 56b07d8ed431f..aea97fc074f8d 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -4626,6 +4626,7 @@ TRACE_EVENT(xmbuf_create,
char *path;
struct file *file = btp->bt_file;
+ __entry->dev = btp->bt_mount->m_super->s_dev;
__entry->ino = file_inode(file)->i_ino;
memset(pathname, 0, sizeof(pathname));
path = file_path(file, pathname, sizeof(pathname) - 1);
@@ -4633,7 +4634,8 @@ TRACE_EVENT(xmbuf_create,
path = "(unknown)";
strncpy(__entry->pathname, path, sizeof(__entry->pathname));
),
- TP_printk("xmino 0x%lx path '%s'",
+ TP_printk("dev %d:%d xmino 0x%lx path '%s'",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->ino,
__entry->pathname)
);
@@ -4642,6 +4644,7 @@ TRACE_EVENT(xmbuf_free,
TP_PROTO(struct xfs_buftarg *btp),
TP_ARGS(btp),
TP_STRUCT__entry(
+ __field(dev_t, dev)
__field(unsigned long, ino)
__field(unsigned long long, bytes)
__field(loff_t, size)
@@ -4650,11 +4653,13 @@ TRACE_EVENT(xmbuf_free,
struct file *file = btp->bt_file;
struct inode *inode = file_inode(file);
+ __entry->dev = btp->bt_mount->m_super->s_dev;
__entry->size = i_size_read(inode);
__entry->bytes = (inode->i_blocks << SECTOR_SHIFT) + inode->i_bytes;
__entry->ino = inode->i_ino;
),
- TP_printk("xmino 0x%lx mem_bytes 0x%llx isize 0x%llx",
+ TP_printk("dev %d:%d xmino 0x%lx mem_bytes 0x%llx isize 0x%llx",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->ino,
__entry->bytes,
__entry->size)
--
GitLab
From 0c6ca06aad84bac097f5c005d911db92dba3ae94 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Fri, 15 Mar 2024 12:16:39 +1100
Subject: [PATCH 1224/2686] xfs: quota radix tree allocations need to be NOFS
on insert
In converting the XFS code from GFP_NOFS to scoped contexts, we
converted the quota radix tree to GFP_KERNEL. Unfortunately, it was
not clearly documented that this set was because there is a
dependency on the quotainfo->qi_tree_lock being taken in memory
reclaim to remove dquots from the radix tree.
In hindsight this is obvious, but the radix tree allocations on
insert are not immediately obvious, and we avoid this for the inode
cache radix trees by using preloading and hence completely avoiding
the radix tree node allocation under tree lock constraints.
Hence there are a few solutions here. The first is to reinstate
GFP_NOFS for the radix tree and add a comment explaining why
GFP_NOFS is used. The second is to use memalloc_nofs_save() on the
radix tree insert context, which makes it obvious that the radix
tree insert runs under GFP_NOFS constraints. The third option is to
simply replace the radix tree and it's lock with an xarray which can
do memory allocation safely in an insert context.
The first is OK, but not really the direction we want to head. The
second is my preferred short term solution. The third - converting
XFS radix trees to xarray - is the longer term solution.
Hence to fix the regression here, we take option 2 as it moves us in
the direction we want to head with memory allocation and GFP_NOFS
removal.
Reported-by: syzbot+8fdff861a781522bda4d@syzkaller.appspotmail.com
Reported-by: syzbot+d247769793ec169e4bf9@syzkaller.appspotmail.com
Fixes: 94a69db2367e ("xfs: use __GFP_NOLOCKDEP instead of GFP_NOFS")
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
---
fs/xfs/xfs_dquot.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index 30d36596a2e46..c98cb468c3578 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -811,6 +811,12 @@ xfs_qm_dqget_cache_lookup(
* caller should throw away the dquot and start over. Otherwise, the dquot
* is returned locked (and held by the cache) as if there had been a cache
* hit.
+ *
+ * The insert needs to be done under memalloc_nofs context because the radix
+ * tree can do memory allocation during insert. The qi->qi_tree_lock is taken in
+ * memory reclaim when freeing unused dquots, so we cannot have the radix tree
+ * node allocation recursing into filesystem reclaim whilst we hold the
+ * qi_tree_lock.
*/
static int
xfs_qm_dqget_cache_insert(
@@ -820,25 +826,27 @@ xfs_qm_dqget_cache_insert(
xfs_dqid_t id,
struct xfs_dquot *dqp)
{
+ unsigned int nofs_flags;
int error;
+ nofs_flags = memalloc_nofs_save();
mutex_lock(&qi->qi_tree_lock);
error = radix_tree_insert(tree, id, dqp);
if (unlikely(error)) {
/* Duplicate found! Caller must try again. */
- mutex_unlock(&qi->qi_tree_lock);
trace_xfs_dqget_dup(dqp);
- return error;
+ goto out_unlock;
}
/* Return a locked dquot to the caller, with a reference taken. */
xfs_dqlock(dqp);
dqp->q_nrefs = 1;
-
qi->qi_dquots++;
- mutex_unlock(&qi->qi_tree_lock);
- return 0;
+out_unlock:
+ mutex_unlock(&qi->qi_tree_lock);
+ memalloc_nofs_restore(nofs_flags);
+ return error;
}
/* Check our input parameters. */
--
GitLab
From 748c7ebac8dbcf54c2840a9a74fc9efeb4d76b7f Mon Sep 17 00:00:00 2001
From: Li Zhijian <lizhijian@fujitsu.com>
Date: Thu, 14 Mar 2024 17:58:13 +0800
Subject: [PATCH 1225/2686] fbdev: uvesafb: Convert sprintf/snprintf to
sysfs_emit
Per filesystems/sysfs.rst, show() should only use sysfs_emit()
or sysfs_emit_at() when formatting the value to be returned to user space.
coccinelle complains that there are still a couple of functions that use
snprintf(). Convert them to sysfs_emit().
sprintf() will be converted as weel if they have.
Generally, this patch is generated by
make coccicheck M=<path/to/file> MODE=patch \
COCCI=scripts/coccinelle/api/device_attr_show.cocci
No functional change intended
CC: Helge Deller <deller@gmx.de>
CC: linux-fbdev@vger.kernel.org
CC: dri-devel@lists.freedesktop.org
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Helge Deller <deller@gmx.de>
---
drivers/video/fbdev/uvesafb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
index e1f421e91b4fb..73f00c079a949 100644
--- a/drivers/video/fbdev/uvesafb.c
+++ b/drivers/video/fbdev/uvesafb.c
@@ -1546,7 +1546,7 @@ static ssize_t uvesafb_show_vbe_ver(struct device *dev,
struct fb_info *info = dev_get_drvdata(dev);
struct uvesafb_par *par = info->par;
- return snprintf(buf, PAGE_SIZE, "%.4x\n", par->vbe_ib.vbe_version);
+ return sysfs_emit(buf, "%.4x\n", par->vbe_ib.vbe_version);
}
static DEVICE_ATTR(vbe_version, S_IRUGO, uvesafb_show_vbe_ver, NULL);
--
GitLab
From 974191720ae76ba3613c4aa2301c297b4de27e46 Mon Sep 17 00:00:00 2001
From: Michael Ellerman <mpe@ellerman.id.au>
Date: Thu, 29 Feb 2024 22:50:10 +1100
Subject: [PATCH 1226/2686] fbdev: mb862xxfb: Fix defined but not used error
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
socrates_gc_mode is defined at the top-level but then only used inside
an #ifdef CONFIG_FB_MB862XX_LIME, leading to an error with some configs:
drivers/video/fbdev/mb862xx/mb862xxfbdrv.c:36:31: error: ‘socrates_gc_mode’ defined but not used
36 | static struct mb862xx_gc_mode socrates_gc_mode = {
Fix it by moving socrates_gc_mode inside that ifdef, immediately prior
to the only function where it's used.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Helge Deller <deller@gmx.de>
---
drivers/video/fbdev/mb862xx/mb862xxfbdrv.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
index 7c402e9fd7a98..baec312d7b33b 100644
--- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
+++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
@@ -32,15 +32,6 @@
#define CARMINE_MEM_SIZE 0x8000000
#define DRV_NAME "mb862xxfb"
-#if defined(CONFIG_SOCRATES)
-static struct mb862xx_gc_mode socrates_gc_mode = {
- /* Mode for Prime View PM070WL4 TFT LCD Panel */
- { "800x480", 45, 800, 480, 40000, 86, 42, 33, 10, 128, 2, 0, 0, 0 },
- /* 16 bits/pixel, 16MB, 133MHz, SDRAM memory mode value */
- 16, 0x1000000, GC_CCF_COT_133, 0x4157ba63
-};
-#endif
-
/* Helpers */
static inline int h_total(struct fb_var_screeninfo *var)
{
@@ -666,6 +657,15 @@ static int mb862xx_gdc_init(struct mb862xxfb_par *par)
return 0;
}
+#if defined(CONFIG_SOCRATES)
+static struct mb862xx_gc_mode socrates_gc_mode = {
+ /* Mode for Prime View PM070WL4 TFT LCD Panel */
+ { "800x480", 45, 800, 480, 40000, 86, 42, 33, 10, 128, 2, 0, 0, 0 },
+ /* 16 bits/pixel, 16MB, 133MHz, SDRAM memory mode value */
+ 16, 0x1000000, GC_CCF_COT_133, 0x4157ba63
+};
+#endif
+
static int of_platform_mb862xx_probe(struct platform_device *ofdev)
{
struct device_node *np = ofdev->dev.of_node;
--
GitLab
From bc87bb342f106a0402186bcb588fcbe945dced4b Mon Sep 17 00:00:00 2001
From: Aleksandr Burakov <a.burakov@rosalinux.ru>
Date: Fri, 1 Mar 2024 14:35:43 +0300
Subject: [PATCH 1227/2686] fbdev: viafb: fix typo in hw_bitblt_1 and
hw_bitblt_2
There are some actions with value 'tmp' but 'dst_addr' is checked instead.
It is obvious that a copy-paste error was made here and the value
of variable 'tmp' should be checked here.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Aleksandr Burakov <a.burakov@rosalinux.ru>
Signed-off-by: Helge Deller <deller@gmx.de>
---
drivers/video/fbdev/via/accel.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/video/fbdev/via/accel.c b/drivers/video/fbdev/via/accel.c
index 0a1bc7a4d7853..1e04026f08091 100644
--- a/drivers/video/fbdev/via/accel.c
+++ b/drivers/video/fbdev/via/accel.c
@@ -115,7 +115,7 @@ static int hw_bitblt_1(void __iomem *engine, u8 op, u32 width, u32 height,
if (op != VIA_BITBLT_FILL) {
tmp = src_mem ? 0 : src_addr;
- if (dst_addr & 0xE0000007) {
+ if (tmp & 0xE0000007) {
printk(KERN_WARNING "hw_bitblt_1: Unsupported source "
"address %X\n", tmp);
return -EINVAL;
@@ -260,7 +260,7 @@ static int hw_bitblt_2(void __iomem *engine, u8 op, u32 width, u32 height,
writel(tmp, engine + 0x18);
tmp = src_mem ? 0 : src_addr;
- if (dst_addr & 0xE0000007) {
+ if (tmp & 0xE0000007) {
printk(KERN_WARNING "hw_bitblt_2: Unsupported source "
"address %X\n", tmp);
return -EINVAL;
--
GitLab
From f1a785101d50f5844ed29341142e7224b87f705d Mon Sep 17 00:00:00 2001
From: Karolina Stolarek <karolina.stolarek@intel.com>
Date: Wed, 13 Mar 2024 15:21:42 +0100
Subject: [PATCH 1228/2686] drm/tests: Build KMS helpers when
DRM_KUNIT_TEST_HELPERS is enabled
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Commit 66671944e176 ("drm/tests: helpers: Add atomic helpers")
introduced a dependency on CRTC helpers in KUnit test helpers.
Select the former when building KUnit test helpers to avoid
linker errors.
Fixes: 66671944e176 ("drm/tests: helpers: Add atomic helpers")
Cc: Maxime Ripard <mripard@kernel.org>
Cc: MaÃra Canal <mcanal@igalia.com>
Signed-off-by: Karolina Stolarek <karolina.stolarek@intel.com>
Link: https://lore.kernel.org/r/20240313142142.1318718-1-karolina.stolarek@intel.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
drivers/gpu/drm/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 872edb47bb532..ba45c998b9f84 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -68,6 +68,7 @@ config DRM_USE_DYNAMIC_DEBUG
config DRM_KUNIT_TEST_HELPERS
tristate
depends on DRM && KUNIT
+ select DRM_KMS_HELPER
help
KUnit Helpers for KMS drivers.
@@ -80,7 +81,6 @@ config DRM_KUNIT_TEST
select DRM_EXEC
select DRM_EXPORT_FOR_TESTS if m
select DRM_GEM_SHMEM_HELPER
- select DRM_KMS_HELPER
select DRM_KUNIT_TEST_HELPERS
select DRM_LIB_RANDOM
select PRIME_NUMBERS
--
GitLab
From 5384cc0d1a88c27448a6a4e65b8abe6486de8012 Mon Sep 17 00:00:00 2001
From: Hangbin Liu <liuhangbin@gmail.com>
Date: Fri, 15 Mar 2024 10:34:43 +0800
Subject: [PATCH 1229/2686] scripts/bpf_doc: Use silent mode when exec make cmd
When getting kernel version via make, the result may be polluted by other
output, like directory change info. e.g.
$ export MAKEFLAGS="-w"
$ make kernelversion
make: Entering directory '/home/net'
6.8.0
make: Leaving directory '/home/net'
This will distort the reStructuredText output and make latter rst2man
failed like:
[...]
bpf-helpers.rst:20: (WARNING/2) Field list ends without a blank line; unexpected unindent.
[...]
Using silent mode would help. e.g.
$ make -s --no-print-directory kernelversion
6.8.0
Fixes: fd0a38f9c37d ("scripts/bpf: Set version attribute for bpf-helpers(7) man page")
Signed-off-by: Michael Hofmann <mhofmann@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Quentin Monnet <qmo@kernel.org>
Acked-by: Alejandro Colomar <alx@kernel.org>
Link: https://lore.kernel.org/bpf/20240315023443.2364442-1-liuhangbin@gmail.com
---
scripts/bpf_doc.py | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/scripts/bpf_doc.py b/scripts/bpf_doc.py
index 4606944984ee2..c55878bddfddc 100755
--- a/scripts/bpf_doc.py
+++ b/scripts/bpf_doc.py
@@ -414,8 +414,8 @@ class PrinterRST(Printer):
version = version.stdout.decode().rstrip()
except:
try:
- version = subprocess.run(['make', 'kernelversion'], cwd=linuxRoot,
- capture_output=True, check=True)
+ version = subprocess.run(['make', '-s', '--no-print-directory', 'kernelversion'],
+ cwd=linuxRoot, capture_output=True, check=True)
version = version.stdout.decode().rstrip()
except:
return 'Linux'
--
GitLab
From aae08491b9438347e9656c44021824ad236052b4 Mon Sep 17 00:00:00 2001
From: Quentin Monnet <qmo@kernel.org>
Date: Fri, 15 Mar 2024 13:36:05 +0000
Subject: [PATCH 1230/2686] MAINTAINERS: Update email address for Quentin
Monnet
With Isovalent being acquired by Cisco, I expect my related email
address to disappear sooner or later. Update my email entries in
MAINTAINERS and .mailmap with my kernel.org address instead.
Signed-off-by: Quentin Monnet <qmo@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/lkml/20240315133606.65971-1-qmo@kernel.org
---
.mailmap | 3 ++-
MAINTAINERS | 2 +-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/.mailmap b/.mailmap
index e90797de3256a..a5578ae993153 100644
--- a/.mailmap
+++ b/.mailmap
@@ -495,7 +495,8 @@ Prasad Sodagudi <quic_psodagud@quicinc.com> <psodagud@codeaurora.org>
Punit Agrawal <punitagrawal@gmail.com> <punit.agrawal@arm.com>
Qais Yousef <qyousef@layalina.io> <qais.yousef@imgtec.com>
Qais Yousef <qyousef@layalina.io> <qais.yousef@arm.com>
-Quentin Monnet <quentin@isovalent.com> <quentin.monnet@netronome.com>
+Quentin Monnet <qmo@kernel.org> <quentin.monnet@netronome.com>
+Quentin Monnet <qmo@kernel.org> <quentin@isovalent.com>
Quentin Perret <qperret@qperret.net> <quentin.perret@arm.com>
Rafael J. Wysocki <rjw@rjwysocki.net> <rjw@sisk.pl>
Rajeev Nandan <quic_rajeevny@quicinc.com> <rajeevny@codeaurora.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 54775eaaf7b37..1a16ed5df18c4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3941,7 +3941,7 @@ F: kernel/bpf/bpf_lru*
F: kernel/bpf/cgroup.c
BPF [TOOLING] (bpftool)
-M: Quentin Monnet <quentin@isovalent.com>
+M: Quentin Monnet <qmo@kernel.org>
L: bpf@vger.kernel.org
S: Maintained
F: kernel/bpf/disasm.*
--
GitLab
From f1b85ef15a99f06ed48871ce933d591127d2dcc0 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Wed, 13 Mar 2024 22:50:18 +0000
Subject: [PATCH 1231/2686] net: mediatek: mtk_eth_soc: clear
MAC_MCR_FORCE_LINK only when MAC is up
Clearing bit MAC_MCR_FORCE_LINK which forces the link down too early
can result in MAC ending up in a broken/blocked state.
Fix this by handling this bit in the .mac_link_up and .mac_link_down
calls instead of in .mac_finish.
Fixes: b8fc9f30821e ("net: ethernet: mediatek: Add basic PHYLINK support")
Suggested-by: Mason-cw Chang <Mason-cw.Chang@mediatek.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index de123350bd46b..caa13b9cedff0 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -677,8 +677,7 @@ static int mtk_mac_finish(struct phylink_config *config, unsigned int mode,
mcr_cur = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id));
mcr_new = mcr_cur;
mcr_new |= MAC_MCR_IPG_CFG | MAC_MCR_FORCE_MODE |
- MAC_MCR_BACKOFF_EN | MAC_MCR_BACKPR_EN | MAC_MCR_FORCE_LINK |
- MAC_MCR_RX_FIFO_CLR_DIS;
+ MAC_MCR_BACKOFF_EN | MAC_MCR_BACKPR_EN | MAC_MCR_RX_FIFO_CLR_DIS;
/* Only update control register when needed! */
if (mcr_new != mcr_cur)
@@ -694,7 +693,7 @@ static void mtk_mac_link_down(struct phylink_config *config, unsigned int mode,
phylink_config);
u32 mcr = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id));
- mcr &= ~(MAC_MCR_TX_EN | MAC_MCR_RX_EN);
+ mcr &= ~(MAC_MCR_TX_EN | MAC_MCR_RX_EN | MAC_MCR_FORCE_LINK);
mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id));
}
@@ -803,7 +802,7 @@ static void mtk_mac_link_up(struct phylink_config *config,
if (rx_pause)
mcr |= MAC_MCR_FORCE_RX_FC;
- mcr |= MAC_MCR_TX_EN | MAC_MCR_RX_EN;
+ mcr |= MAC_MCR_TX_EN | MAC_MCR_RX_EN | MAC_MCR_FORCE_LINK;
mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id));
}
--
GitLab
From ea80e3ed09ab2c2b75724faf5484721753e92c31 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Wed, 13 Mar 2024 22:50:40 +0000
Subject: [PATCH 1232/2686] net: ethernet: mtk_eth_soc: fix PPE hanging issue
A patch to resolve an issue was found in MediaTek's GPL-licensed SDK:
In the mtk_ppe_stop() function, the PPE scan mode is not disabled before
disabling the PPE. This can potentially lead to a hang during the process
of disabling the PPE.
Without this patch, the PPE may experience a hang during the reboot test.
Link: https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/b40da332dfe763932a82f9f62a4709457a15dd6c
Fixes: ba37b7caf1ed ("net: ethernet: mtk_eth_soc: add support for initializing the PPE")
Suggested-by: Bc-bocun Chen <bc-bocun.chen@mediatek.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/mediatek/mtk_ppe.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c
index b2a5d9c3733d4..6ce0db3a1a920 100644
--- a/drivers/net/ethernet/mediatek/mtk_ppe.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
@@ -994,7 +994,7 @@ void mtk_ppe_start(struct mtk_ppe *ppe)
MTK_PPE_KEEPALIVE_DISABLE) |
FIELD_PREP(MTK_PPE_TB_CFG_HASH_MODE, 1) |
FIELD_PREP(MTK_PPE_TB_CFG_SCAN_MODE,
- MTK_PPE_SCAN_MODE_KEEPALIVE_AGE) |
+ MTK_PPE_SCAN_MODE_CHECK_AGE) |
FIELD_PREP(MTK_PPE_TB_CFG_ENTRY_NUM,
MTK_PPE_ENTRIES_SHIFT);
if (mtk_is_netsys_v2_or_greater(ppe->eth))
@@ -1090,17 +1090,21 @@ int mtk_ppe_stop(struct mtk_ppe *ppe)
mtk_ppe_cache_enable(ppe, false);
- /* disable offload engine */
- ppe_clear(ppe, MTK_PPE_GLO_CFG, MTK_PPE_GLO_CFG_EN);
- ppe_w32(ppe, MTK_PPE_FLOW_CFG, 0);
-
/* disable aging */
val = MTK_PPE_TB_CFG_AGE_NON_L4 |
MTK_PPE_TB_CFG_AGE_UNBIND |
MTK_PPE_TB_CFG_AGE_TCP |
MTK_PPE_TB_CFG_AGE_UDP |
- MTK_PPE_TB_CFG_AGE_TCP_FIN;
+ MTK_PPE_TB_CFG_AGE_TCP_FIN |
+ MTK_PPE_TB_CFG_SCAN_MODE;
ppe_clear(ppe, MTK_PPE_TB_CFG, val);
- return mtk_ppe_wait_busy(ppe);
+ if (mtk_ppe_wait_busy(ppe))
+ return -ETIMEDOUT;
+
+ /* disable offload engine */
+ ppe_clear(ppe, MTK_PPE_GLO_CFG, MTK_PPE_GLO_CFG_EN);
+ ppe_w32(ppe, MTK_PPE_FLOW_CFG, 0);
+
+ return 0;
}
--
GitLab
From f34e8bb7d6c6626933fe993e03ed59ae85e16abb Mon Sep 17 00:00:00 2001
From: Vitaly Prosyak <vitaly.prosyak@amd.com>
Date: Thu, 14 Mar 2024 22:39:26 -0400
Subject: [PATCH 1233/2686] drm/sched: fix null-ptr-deref in init entity
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The bug can be triggered by sending an amdgpu_cs_wait_ioctl
to the AMDGPU DRM driver on any ASICs with valid context.
The bug was reported by Joonkyo Jung <joonkyoj@yonsei.ac.kr>.
For example the following code:
static void Syzkaller2(int fd)
{
union drm_amdgpu_ctx arg1;
union drm_amdgpu_wait_cs arg2;
arg1.in.op = AMDGPU_CTX_OP_ALLOC_CTX;
ret = drmIoctl(fd, 0x140106442 /* amdgpu_ctx_ioctl */, &arg1);
arg2.in.handle = 0x0;
arg2.in.timeout = 0x2000000000000;
arg2.in.ip_type = AMD_IP_VPE /* 0x9 */;
arg2->in.ip_instance = 0x0;
arg2.in.ring = 0x0;
arg2.in.ctx_id = arg1.out.alloc.ctx_id;
drmIoctl(fd, 0xc0206449 /* AMDGPU_WAIT_CS * /, &arg2);
}
The ioctl AMDGPU_WAIT_CS without previously submitted job could be assumed that
the error should be returned, but the following commit 1decbf6bb0b4dc56c9da6c5e57b994ebfc2be3aa
modified the logic and allowed to have sched_rq equal to NULL.
As a result when there is no job the ioctl AMDGPU_WAIT_CS returns success.
The change fixes null-ptr-deref in init entity and the stack below demonstrates
the error condition:
[ +0.000007] BUG: kernel NULL pointer dereference, address: 0000000000000028
[ +0.007086] #PF: supervisor read access in kernel mode
[ +0.005234] #PF: error_code(0x0000) - not-present page
[ +0.005232] PGD 0 P4D 0
[ +0.002501] Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ +0.005034] CPU: 10 PID: 9229 Comm: amd_basic Tainted: G B W L 6.7.0+ #4
[ +0.007797] Hardware name: ASUS System Product Name/ROG STRIX B550-F GAMING (WI-FI), BIOS 1401 12/03/2020
[ +0.009798] RIP: 0010:drm_sched_entity_init+0x2d3/0x420 [gpu_sched]
[ +0.006426] Code: 80 00 00 00 00 00 00 00 e8 1a 81 82 e0 49 89 9c 24 c0 00 00 00 4c 89 ef e8 4a 80 82 e0 49 8b 5d 00 48 8d 7b 28 e8 3d 80 82 e0 <48> 83 7b 28 00 0f 84 28 01 00 00 4d 8d ac 24 98 00 00 00 49 8d 5c
[ +0.019094] RSP: 0018:ffffc90014c1fa40 EFLAGS: 00010282
[ +0.005237] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff8113f3fa
[ +0.007326] RDX: fffffbfff0a7889d RSI: 0000000000000008 RDI: ffffffff853c44e0
[ +0.007264] RBP: ffffc90014c1fa80 R08: 0000000000000001 R09: fffffbfff0a7889c
[ +0.007266] R10: ffffffff853c44e7 R11: 0000000000000001 R12: ffff8881a719b010
[ +0.007263] R13: ffff88810d412748 R14: 0000000000000002 R15: 0000000000000000
[ +0.007264] FS: 00007ffff7045540(0000) GS:ffff8883cc900000(0000) knlGS:0000000000000000
[ +0.008236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ +0.005851] CR2: 0000000000000028 CR3: 000000011912e000 CR4: 0000000000350ef0
[ +0.007175] Call Trace:
[ +0.002561] <TASK>
[ +0.002141] ? show_regs+0x6a/0x80
[ +0.003473] ? __die+0x25/0x70
[ +0.003124] ? page_fault_oops+0x214/0x720
[ +0.004179] ? preempt_count_sub+0x18/0xc0
[ +0.004093] ? __pfx_page_fault_oops+0x10/0x10
[ +0.004590] ? srso_return_thunk+0x5/0x5f
[ +0.004000] ? vprintk_default+0x1d/0x30
[ +0.004063] ? srso_return_thunk+0x5/0x5f
[ +0.004087] ? vprintk+0x5c/0x90
[ +0.003296] ? drm_sched_entity_init+0x2d3/0x420 [gpu_sched]
[ +0.005807] ? srso_return_thunk+0x5/0x5f
[ +0.004090] ? _printk+0xb3/0xe0
[ +0.003293] ? __pfx__printk+0x10/0x10
[ +0.003735] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ +0.005482] ? do_user_addr_fault+0x345/0x770
[ +0.004361] ? exc_page_fault+0x64/0xf0
[ +0.003972] ? asm_exc_page_fault+0x27/0x30
[ +0.004271] ? add_taint+0x2a/0xa0
[ +0.003476] ? drm_sched_entity_init+0x2d3/0x420 [gpu_sched]
[ +0.005812] amdgpu_ctx_get_entity+0x3f9/0x770 [amdgpu]
[ +0.009530] ? finish_task_switch.isra.0+0x129/0x470
[ +0.005068] ? __pfx_amdgpu_ctx_get_entity+0x10/0x10 [amdgpu]
[ +0.010063] ? __kasan_check_write+0x14/0x20
[ +0.004356] ? srso_return_thunk+0x5/0x5f
[ +0.004001] ? mutex_unlock+0x81/0xd0
[ +0.003802] ? srso_return_thunk+0x5/0x5f
[ +0.004096] amdgpu_cs_wait_ioctl+0xf6/0x270 [amdgpu]
[ +0.009355] ? __pfx_amdgpu_cs_wait_ioctl+0x10/0x10 [amdgpu]
[ +0.009981] ? srso_return_thunk+0x5/0x5f
[ +0.004089] ? srso_return_thunk+0x5/0x5f
[ +0.004090] ? __srcu_read_lock+0x20/0x50
[ +0.004096] drm_ioctl_kernel+0x140/0x1f0 [drm]
[ +0.005080] ? __pfx_amdgpu_cs_wait_ioctl+0x10/0x10 [amdgpu]
[ +0.009974] ? __pfx_drm_ioctl_kernel+0x10/0x10 [drm]
[ +0.005618] ? srso_return_thunk+0x5/0x5f
[ +0.004088] ? __kasan_check_write+0x14/0x20
[ +0.004357] drm_ioctl+0x3da/0x730 [drm]
[ +0.004461] ? __pfx_amdgpu_cs_wait_ioctl+0x10/0x10 [amdgpu]
[ +0.009979] ? __pfx_drm_ioctl+0x10/0x10 [drm]
[ +0.004993] ? srso_return_thunk+0x5/0x5f
[ +0.004090] ? __kasan_check_write+0x14/0x20
[ +0.004356] ? srso_return_thunk+0x5/0x5f
[ +0.004090] ? _raw_spin_lock_irqsave+0x99/0x100
[ +0.004712] ? __pfx__raw_spin_lock_irqsave+0x10/0x10
[ +0.005063] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ +0.005477] ? srso_return_thunk+0x5/0x5f
[ +0.004000] ? preempt_count_sub+0x18/0xc0
[ +0.004237] ? srso_return_thunk+0x5/0x5f
[ +0.004090] ? _raw_spin_unlock_irqrestore+0x27/0x50
[ +0.005069] amdgpu_drm_ioctl+0x7e/0xe0 [amdgpu]
[ +0.008912] __x64_sys_ioctl+0xcd/0x110
[ +0.003918] do_syscall_64+0x5f/0xe0
[ +0.003649] ? noist_exc_debug+0xe6/0x120
[ +0.004095] entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ +0.005150] RIP: 0033:0x7ffff7b1a94f
[ +0.003647] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 77 1f 48 8b 44 24 18 64 48 2b 04 25 28 00
[ +0.019097] RSP: 002b:00007fffffffe0a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ +0.007708] RAX: ffffffffffffffda RBX: 000055555558b360 RCX: 00007ffff7b1a94f
[ +0.007176] RDX: 000055555558b360 RSI: 00000000c0206449 RDI: 0000000000000003
[ +0.007326] RBP: 00000000c0206449 R08: 000055555556ded0 R09: 000000007fffffff
[ +0.007176] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffffffe5d8
[ +0.007238] R13: 0000000000000003 R14: 000055555555cba8 R15: 00007ffff7ffd040
[ +0.007250] </TASK>
v2: Reworked check to guard against null ptr deref and added helpful comments
(Christian)
Cc: Christian Koenig <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Luben Tuikov <ltuikov89@gmail.com>
Cc: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Cc: Joonkyo Jung <joonkyoj@yonsei.ac.kr>
Cc: Dokyung Song <dokyungs@yonsei.ac.kr>
Cc: <jisoo.jang@yonsei.ac.kr>
Cc: <yw9865@yonsei.ac.kr>
Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Fixes: 56e449603f0a ("drm/sched: Convert the GPU scheduler to variable number of run-queues")
Link: https://patchwork.freedesktop.org/patch/msgid/20240315023926.343164-1-vitaly.prosyak@amd.com
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/scheduler/sched_entity.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c
index 3c4f5a392b064..58c8161289fea 100644
--- a/drivers/gpu/drm/scheduler/sched_entity.c
+++ b/drivers/gpu/drm/scheduler/sched_entity.c
@@ -71,13 +71,19 @@ int drm_sched_entity_init(struct drm_sched_entity *entity,
entity->guilty = guilty;
entity->num_sched_list = num_sched_list;
entity->priority = priority;
+ /*
+ * It's perfectly valid to initialize an entity without having a valid
+ * scheduler attached. It's just not valid to use the scheduler before it
+ * is initialized itself.
+ */
entity->sched_list = num_sched_list > 1 ? sched_list : NULL;
RCU_INIT_POINTER(entity->last_scheduled, NULL);
RB_CLEAR_NODE(&entity->rb_tree_node);
- if (!sched_list[0]->sched_rq) {
- /* Warn drivers not to do this and to fix their DRM
- * calling order.
+ if (num_sched_list && !sched_list[0]->sched_rq) {
+ /* Since every entry covered by num_sched_list
+ * should be non-NULL and therefore we warn drivers
+ * not to do this and to fix their DRM calling order.
*/
pr_warn("%s: called with uninitialized scheduler\n", __func__);
} else if (num_sched_list) {
--
GitLab
From 5e3afe580a9f5ca173a6bd55ffe10948796ef7e5 Mon Sep 17 00:00:00 2001
From: Pavel Begunkov <asml.silence@gmail.com>
Date: Fri, 15 Mar 2024 15:29:51 +0000
Subject: [PATCH 1234/2686] io_uring: fix poll_remove stalled req completion
Taking the ctx lock is not enough to use the deferred request completion
infrastructure, it'll get queued into the list but no one would expect
it there, so it will sit there until next io_submit_flush_completions().
It's hard to care about the cancellation path, so complete it via tw.
Fixes: ef7dfac51d8ed ("io_uring/poll: serialize poll linked timer start with poll removal")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/c446740bc16858f8a2a8dcdce899812f21d15f23.1710514702.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/poll.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/io_uring/poll.c b/io_uring/poll.c
index 5f779139cae18..6db1dcb2c7977 100644
--- a/io_uring/poll.c
+++ b/io_uring/poll.c
@@ -996,7 +996,6 @@ int io_poll_remove(struct io_kiocb *req, unsigned int issue_flags)
struct io_hash_bucket *bucket;
struct io_kiocb *preq;
int ret2, ret = 0;
- struct io_tw_state ts = { .locked = true };
io_ring_submit_lock(ctx, issue_flags);
preq = io_poll_find(ctx, true, &cd, &ctx->cancel_table, &bucket);
@@ -1045,7 +1044,8 @@ int io_poll_remove(struct io_kiocb *req, unsigned int issue_flags)
req_set_fail(preq);
io_req_set_res(preq, -ECANCELED, 0);
- io_req_task_complete(preq, &ts);
+ preq->io_task_work.func = io_req_task_complete;
+ io_req_task_work_add(preq);
out:
io_ring_submit_unlock(ctx, issue_flags);
if (ret < 0) {
--
GitLab
From 8076972468584d4a21dab9aa50e388b3ea9ad8c7 Mon Sep 17 00:00:00 2001
From: John Ogness <john.ogness@linutronix.de>
Date: Mon, 26 Feb 2024 13:07:24 +0106
Subject: [PATCH 1235/2686] printk: Update @console_may_schedule in
console_trylock_spinning()
console_trylock_spinning() may takeover the console lock from a
schedulable context. Update @console_may_schedule to make sure it
reflects a trylock acquire.
Reported-by: Mukesh Ojha <quic_mojha@quicinc.com>
Closes: https://lore.kernel.org/lkml/20240222090538.23017-1-quic_mojha@quicinc.com
Fixes: dbdda842fe96 ("printk: Add console owner and waiter logic to load balance console writes")
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/875xybmo2z.fsf@jogness.linutronix.de
Signed-off-by: Petr Mladek <pmladek@suse.com>
---
kernel/printk/printk.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index b06f63e276c1f..612c73333848e 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2009,6 +2009,12 @@ static int console_trylock_spinning(void)
*/
mutex_acquire(&console_lock_dep_map, 0, 1, _THIS_IP_);
+ /*
+ * Update @console_may_schedule for trylock because the previous
+ * owner may have been schedulable.
+ */
+ console_may_schedule = 0;
+
return 1;
}
--
GitLab
From 33c3d813330718c403a60d220f03fbece0f4fb5c Mon Sep 17 00:00:00 2001
From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Date: Tue, 20 Feb 2024 22:16:03 +0200
Subject: [PATCH 1236/2686] ASoC: SOF: amd: Move signed_fw_image to struct
acp_quirk_entry
The signed_fw_image member of struct sof_amd_acp_desc is used to enable
signed firmware support in the driver via the acp_sof_quirk_table.
In preparation to support additional use cases of the quirk table (i.e.
adding new flags), move signed_fw_image to a new struct acp_quirk_entry
and update all references to it accordingly.
No functional changes intended.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://msgid.link/r/20240220201623.438944-2-cristian.ciocaltea@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/amd/acp-loader.c | 2 +-
sound/soc/sof/amd/acp.c | 47 ++++++++++++++++++----------------
sound/soc/sof/amd/acp.h | 6 ++++-
sound/soc/sof/amd/vangogh.c | 9 +++++--
4 files changed, 38 insertions(+), 26 deletions(-)
diff --git a/sound/soc/sof/amd/acp-loader.c b/sound/soc/sof/amd/acp-loader.c
index d2d21478399e0..aad904839b817 100644
--- a/sound/soc/sof/amd/acp-loader.c
+++ b/sound/soc/sof/amd/acp-loader.c
@@ -173,7 +173,7 @@ int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev)
adata = sdev->pdata->hw_pdata;
- if (adata->signed_fw_image)
+ if (adata->quirks && adata->quirks->signed_fw_image)
size_fw = adata->fw_bin_size - ACP_FIRMWARE_SIGNATURE;
else
size_fw = adata->fw_bin_size;
diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c
index 9b3c26210db38..9d9197fa83ed7 100644
--- a/sound/soc/sof/amd/acp.c
+++ b/sound/soc/sof/amd/acp.c
@@ -20,12 +20,14 @@
#include "acp.h"
#include "acp-dsp-offset.h"
-#define SECURED_FIRMWARE 1
-
static bool enable_fw_debug;
module_param(enable_fw_debug, bool, 0444);
MODULE_PARM_DESC(enable_fw_debug, "Enable Firmware debug");
+static struct acp_quirk_entry quirk_valve_galileo = {
+ .signed_fw_image = true,
+};
+
const struct dmi_system_id acp_sof_quirk_table[] = {
{
/* Steam Deck OLED device */
@@ -33,7 +35,7 @@ const struct dmi_system_id acp_sof_quirk_table[] = {
DMI_MATCH(DMI_SYS_VENDOR, "Valve"),
DMI_MATCH(DMI_PRODUCT_NAME, "Galileo"),
},
- .driver_data = (void *)SECURED_FIRMWARE,
+ .driver_data = &quirk_valve_galileo,
},
{}
};
@@ -254,7 +256,7 @@ int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr,
}
}
- if (adata->signed_fw_image)
+ if (adata->quirks && adata->quirks->signed_fw_image)
snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_INCLUDE_HDR, ACP_SHA_HEADER);
snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_STRT_ADDR, start_addr);
@@ -738,26 +740,27 @@ int amd_sof_acp_probe(struct snd_sof_dev *sdev)
sdev->debug_box.offset = sdev->host_box.offset + sdev->host_box.size;
sdev->debug_box.size = BOX_SIZE_1024;
- adata->signed_fw_image = false;
dmi_id = dmi_first_match(acp_sof_quirk_table);
- if (dmi_id && dmi_id->driver_data) {
- adata->fw_code_bin = devm_kasprintf(sdev->dev, GFP_KERNEL,
- "sof-%s-code.bin",
- chip->name);
- if (!adata->fw_code_bin) {
- ret = -ENOMEM;
- goto free_ipc_irq;
+ if (dmi_id) {
+ adata->quirks = dmi_id->driver_data;
+
+ if (adata->quirks->signed_fw_image) {
+ adata->fw_code_bin = devm_kasprintf(sdev->dev, GFP_KERNEL,
+ "sof-%s-code.bin",
+ chip->name);
+ if (!adata->fw_code_bin) {
+ ret = -ENOMEM;
+ goto free_ipc_irq;
+ }
+
+ adata->fw_data_bin = devm_kasprintf(sdev->dev, GFP_KERNEL,
+ "sof-%s-data.bin",
+ chip->name);
+ if (!adata->fw_data_bin) {
+ ret = -ENOMEM;
+ goto free_ipc_irq;
+ }
}
-
- adata->fw_data_bin = devm_kasprintf(sdev->dev, GFP_KERNEL,
- "sof-%s-data.bin",
- chip->name);
- if (!adata->fw_data_bin) {
- ret = -ENOMEM;
- goto free_ipc_irq;
- }
-
- adata->signed_fw_image = dmi_id->driver_data;
}
adata->enable_fw_debug = enable_fw_debug;
diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h
index 947068da39b53..b648ed194b9ff 100644
--- a/sound/soc/sof/amd/acp.h
+++ b/sound/soc/sof/amd/acp.h
@@ -207,6 +207,10 @@ struct sof_amd_acp_desc {
u64 sdw_acpi_dev_addr;
};
+struct acp_quirk_entry {
+ bool signed_fw_image;
+};
+
/* Common device data struct for ACP devices */
struct acp_dev_data {
struct snd_sof_dev *dev;
@@ -236,7 +240,7 @@ struct acp_dev_data {
u8 *data_buf;
dma_addr_t sram_dma_addr;
u8 *sram_data_buf;
- bool signed_fw_image;
+ struct acp_quirk_entry *quirks;
struct dma_descriptor dscr_info[ACP_MAX_DESC];
struct acp_dsp_stream stream_buf[ACP_MAX_STREAM];
struct acp_dsp_stream *dtrace_stream;
diff --git a/sound/soc/sof/amd/vangogh.c b/sound/soc/sof/amd/vangogh.c
index de15d21aa6d98..bc6ffdb5471a5 100644
--- a/sound/soc/sof/amd/vangogh.c
+++ b/sound/soc/sof/amd/vangogh.c
@@ -143,6 +143,7 @@ EXPORT_SYMBOL_NS(sof_vangogh_ops, SND_SOC_SOF_AMD_COMMON);
int sof_vangogh_ops_init(struct snd_sof_dev *sdev)
{
const struct dmi_system_id *dmi_id;
+ struct acp_quirk_entry *quirks;
/* common defaults */
memcpy(&sof_vangogh_ops, &sof_acp_common_ops, sizeof(struct snd_sof_dsp_ops));
@@ -151,8 +152,12 @@ int sof_vangogh_ops_init(struct snd_sof_dev *sdev)
sof_vangogh_ops.num_drv = ARRAY_SIZE(vangogh_sof_dai);
dmi_id = dmi_first_match(acp_sof_quirk_table);
- if (dmi_id && dmi_id->driver_data)
- sof_vangogh_ops.load_firmware = acp_sof_load_signed_firmware;
+ if (dmi_id) {
+ quirks = dmi_id->driver_data;
+
+ if (quirks->signed_fw_image)
+ sof_vangogh_ops.load_firmware = acp_sof_load_signed_firmware;
+ }
return 0;
}
--
GitLab
From 094d11768f740f11483dad4efcd9bbcffa4ce146 Mon Sep 17 00:00:00 2001
From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Date: Tue, 20 Feb 2024 22:16:04 +0200
Subject: [PATCH 1237/2686] ASoC: SOF: amd: Skip IRAM/DRAM size modification
for Steam Deck OLED
The recent introduction of the ACP/PSP communication for IRAM/DRAM fence
register modification breaks the audio support on Valve's Steam Deck
OLED device.
It causes IPC timeout errors when trying to load DSP topology during
probing:
1707255557.688176 kernel: snd_sof_amd_vangogh 0000:04:00.5: ipc tx timed out for 0x30100000 (msg/reply size: 48/0)
1707255557.689035 kernel: snd_sof_amd_vangogh 0000:04:00.5: ------------[ IPC dump start ]------------
1707255557.689421 kernel: snd_sof_amd_vangogh 0000:04:00.5: dsp_msg = 0x0 dsp_ack = 0x91d14f6f host_msg = 0x1 host_ack = 0xead0f1a4 irq_stat >
1707255557.689730 kernel: snd_sof_amd_vangogh 0000:04:00.5: ------------[ IPC dump end ]------------
1707255557.690074 kernel: snd_sof_amd_vangogh 0000:04:00.5: ------------[ DSP dump start ]------------
1707255557.690376 kernel: snd_sof_amd_vangogh 0000:04:00.5: IPC timeout
1707255557.690744 kernel: snd_sof_amd_vangogh 0000:04:00.5: fw_state: SOF_FW_BOOT_COMPLETE (7)
1707255557.691037 kernel: snd_sof_amd_vangogh 0000:04:00.5: invalid header size 0xdb43fe7. FW oops is bogus
1707255557.694824 kernel: snd_sof_amd_vangogh 0000:04:00.5: unexpected fault 0x6942d3b3 trace 0x6942d3b3
1707255557.695392 kernel: snd_sof_amd_vangogh 0000:04:00.5: ------------[ DSP dump end ]------------
1707255557.695755 kernel: snd_sof_amd_vangogh 0000:04:00.5: Failed to setup widget PIPELINE.6.ACPHS1.IN
1707255557.696069 kernel: snd_sof_amd_vangogh 0000:04:00.5: error: tplg component load failed -110
1707255557.696374 kernel: snd_sof_amd_vangogh 0000:04:00.5: error: failed to load DSP topology -22
1707255557.697904 kernel: snd_sof_amd_vangogh 0000:04:00.5: ASoC: error at snd_soc_component_probe on 0000:04:00.5: -22
1707255557.698405 kernel: sof_mach nau8821-max: ASoC: failed to instantiate card -22
1707255557.701061 kernel: sof_mach nau8821-max: error -EINVAL: Failed to register card(sof-nau8821-max)
1707255557.701624 kernel: sof_mach: probe of nau8821-max failed with error -22
Introduce a new member skip_iram_dram_size_mod to struct acp_quirk_entry and
use it to skip IRAM/DRAM size modification for Vangogh Galileo device.
Fixes: 55d7bbe43346 ("ASoC: SOF: amd: Add acp-psp mailbox interface for iram-dram fence register modification")
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://msgid.link/r/20240220201623.438944-3-cristian.ciocaltea@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/amd/acp.c | 3 ++-
sound/soc/sof/amd/acp.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c
index 9d9197fa83ed7..be7dc1e02284a 100644
--- a/sound/soc/sof/amd/acp.c
+++ b/sound/soc/sof/amd/acp.c
@@ -26,6 +26,7 @@ MODULE_PARM_DESC(enable_fw_debug, "Enable Firmware debug");
static struct acp_quirk_entry quirk_valve_galileo = {
.signed_fw_image = true,
+ .skip_iram_dram_size_mod = true,
};
const struct dmi_system_id acp_sof_quirk_table[] = {
@@ -280,7 +281,7 @@ int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr,
}
/* psp_send_cmd only required for vangogh platform (rev - 5) */
- if (desc->rev == 5) {
+ if (desc->rev == 5 && !(adata->quirks && adata->quirks->skip_iram_dram_size_mod)) {
/* Modify IRAM and DRAM size */
ret = psp_send_cmd(adata, MBOX_ACP_IRAM_DRAM_FENCE_COMMAND | IRAM_DRAM_FENCE_2);
if (ret)
diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h
index b648ed194b9ff..e229bb6b849d6 100644
--- a/sound/soc/sof/amd/acp.h
+++ b/sound/soc/sof/amd/acp.h
@@ -209,6 +209,7 @@ struct sof_amd_acp_desc {
struct acp_quirk_entry {
bool signed_fw_image;
+ bool skip_iram_dram_size_mod;
};
/* Common device data struct for ACP devices */
--
GitLab
From 2bb7e0c49302feec1c2f777bbfe8726169986ed8 Mon Sep 17 00:00:00 2001
From: Alexandre Ghiti <alexghiti@rivosinc.com>
Date: Mon, 4 Mar 2024 09:02:47 +0100
Subject: [PATCH 1238/2686] riscv: Fix compilation error with FAST_GUP and rv32
By surrounding the definition of pte_leaf_size() with a ifdef napot as
it should have been.
Fixes: e0fe5ab4192c ("riscv: Fix pte_leaf_size() for NAPOT")
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/r/20240304080247.387710-1-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/pgtable.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 89f5f1bd6e463..2fdf7c85066fb 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -439,9 +439,11 @@ static inline pte_t pte_mkhuge(pte_t pte)
return pte;
}
+#ifdef CONFIG_RISCV_ISA_SVNAPOT
#define pte_leaf_size(pte) (pte_napot(pte) ? \
napot_cont_size(napot_cont_order(pte)) :\
PAGE_SIZE)
+#endif
#ifdef CONFIG_NUMA_BALANCING
/*
--
GitLab
From 700c2d9b1b179e723a1b6201d3307c37ede90f99 Mon Sep 17 00:00:00 2001
From: Song Shuai <songshuaishuai@tinylab.org>
Date: Wed, 21 Feb 2024 18:02:52 +0800
Subject: [PATCH 1239/2686] riscv: vector: Fix a typo of preempt_v
The term "preempt_v" represents the RISCV_PREEMPT_V field of riscv_v_flags
and is used in lots of comments.
Here corrects the miss-spelling "prempt_v". And s/acheived/achieved/.
Reviewed-by: Andy Chiu <andybnac@gmail.com>
Signed-off-by: Song Shuai <songshuaishuai@tinylab.org>
Link: https://lore.kernel.org/r/20240221100252.3990445-1-songshuaishuai@tinylab.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/simd.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/riscv/include/asm/simd.h b/arch/riscv/include/asm/simd.h
index 54efbf523d49c..adb50f3ec2057 100644
--- a/arch/riscv/include/asm/simd.h
+++ b/arch/riscv/include/asm/simd.h
@@ -34,9 +34,9 @@ static __must_check inline bool may_use_simd(void)
return false;
/*
- * Nesting is acheived in preempt_v by spreading the control for
+ * Nesting is achieved in preempt_v by spreading the control for
* preemptible and non-preemptible kernel-mode Vector into two fields.
- * Always try to match with prempt_v if kernel V-context exists. Then,
+ * Always try to match with preempt_v if kernel V-context exists. Then,
* fallback to check non preempt_v if nesting happens, or if the config
* is not set.
*/
--
GitLab
From ee498a38f3177d9ee0213839d3a05b94272aa48c Mon Sep 17 00:00:00 2001
From: Alexei Starovoitov <ast@kernel.org>
Date: Thu, 14 Mar 2024 19:18:31 -0700
Subject: [PATCH 1240/2686] bpf: Clarify bpf_arena comments.
Clarify two bpf_arena comments, use existing SZ_4G #define,
improve page_cnt check.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/bpf/20240315021834.62988-2-alexei.starovoitov@gmail.com
---
kernel/bpf/arena.c | 25 ++++++++++++++++++-------
1 file changed, 18 insertions(+), 7 deletions(-)
diff --git a/kernel/bpf/arena.c b/kernel/bpf/arena.c
index 86571e760dd61..343c3456c8ddf 100644
--- a/kernel/bpf/arena.c
+++ b/kernel/bpf/arena.c
@@ -38,7 +38,7 @@
/* number of bytes addressable by LDX/STX insn with 16-bit 'off' field */
#define GUARD_SZ (1ull << sizeof(((struct bpf_insn *)0)->off) * 8)
-#define KERN_VM_SZ ((1ull << 32) + GUARD_SZ)
+#define KERN_VM_SZ (SZ_4G + GUARD_SZ)
struct bpf_arena {
struct bpf_map map;
@@ -110,7 +110,7 @@ static struct bpf_map *arena_map_alloc(union bpf_attr *attr)
return ERR_PTR(-EINVAL);
vm_range = (u64)attr->max_entries * PAGE_SIZE;
- if (vm_range > (1ull << 32))
+ if (vm_range > SZ_4G)
return ERR_PTR(-E2BIG);
if ((attr->map_extra >> 32) != ((attr->map_extra + vm_range - 1) >> 32))
@@ -301,7 +301,7 @@ static unsigned long arena_get_unmapped_area(struct file *filp, unsigned long ad
if (pgoff)
return -EINVAL;
- if (len > (1ull << 32))
+ if (len > SZ_4G)
return -E2BIG;
/* if user_vm_start was specified at arena creation time */
@@ -322,7 +322,7 @@ static unsigned long arena_get_unmapped_area(struct file *filp, unsigned long ad
if (WARN_ON_ONCE(arena->user_vm_start))
/* checks at map creation time should prevent this */
return -EFAULT;
- return round_up(ret, 1ull << 32);
+ return round_up(ret, SZ_4G);
}
static int arena_map_mmap(struct bpf_map *map, struct vm_area_struct *vma)
@@ -346,7 +346,7 @@ static int arena_map_mmap(struct bpf_map *map, struct vm_area_struct *vma)
return -EBUSY;
/* Earlier checks should prevent this */
- if (WARN_ON_ONCE(vma->vm_end - vma->vm_start > (1ull << 32) || vma->vm_pgoff))
+ if (WARN_ON_ONCE(vma->vm_end - vma->vm_start > SZ_4G || vma->vm_pgoff))
return -EFAULT;
if (remember_vma(arena, vma))
@@ -420,7 +420,7 @@ static long arena_alloc_pages(struct bpf_arena *arena, long uaddr, long page_cnt
if (uaddr & ~PAGE_MASK)
return 0;
pgoff = compute_pgoff(arena, uaddr);
- if (pgoff + page_cnt > page_cnt_max)
+ if (pgoff > page_cnt_max - page_cnt)
/* requested address will be outside of user VMA */
return 0;
}
@@ -447,7 +447,13 @@ static long arena_alloc_pages(struct bpf_arena *arena, long uaddr, long page_cnt
goto out;
uaddr32 = (u32)(arena->user_vm_start + pgoff * PAGE_SIZE);
- /* Earlier checks make sure that uaddr32 + page_cnt * PAGE_SIZE will not overflow 32-bit */
+ /* Earlier checks made sure that uaddr32 + page_cnt * PAGE_SIZE - 1
+ * will not overflow 32-bit. Lower 32-bit need to represent
+ * contiguous user address range.
+ * Map these pages at kern_vm_start base.
+ * kern_vm_start + uaddr32 + page_cnt * PAGE_SIZE - 1 can overflow
+ * lower 32-bit and it's ok.
+ */
ret = vm_area_map_pages(arena->kern_vm, kern_vm_start + uaddr32,
kern_vm_start + uaddr32 + page_cnt * PAGE_SIZE, pages);
if (ret) {
@@ -510,6 +516,11 @@ static void arena_free_pages(struct bpf_arena *arena, long uaddr, long page_cnt)
if (!page)
continue;
if (page_cnt == 1 && page_mapped(page)) /* mapped by some user process */
+ /* Optimization for the common case of page_cnt==1:
+ * If page wasn't mapped into some user vma there
+ * is no need to call zap_pages which is slow. When
+ * page_cnt is big it's faster to do the batched zap.
+ */
zap_pages(arena, full_uaddr, 1);
vm_area_unmap_pages(arena->kern_vm, kaddr, kaddr + PAGE_SIZE);
__free_page(page);
--
GitLab
From 10ebe835c937a11870690aa44c7c970fe906ff54 Mon Sep 17 00:00:00 2001
From: Alexei Starovoitov <ast@kernel.org>
Date: Thu, 14 Mar 2024 19:18:32 -0700
Subject: [PATCH 1241/2686] libbpf, selftests/bpf: Adjust libbpf, bpftool,
selftests to match LLVM
The selftests use
to tell LLVM about special pointers. For LLVM there is nothing "arena"
about them. They are simply pointers in a different address space.
Hence LLVM diff https://github.com/llvm/llvm-project/pull/85161 renamed:
. macro __BPF_FEATURE_ARENA_CAST -> __BPF_FEATURE_ADDR_SPACE_CAST
. global variables in __attribute__((address_space(N))) are now
placed in section named ".addr_space.N" instead of ".arena.N".
Adjust libbpf, bpftool, and selftests to match LLVM.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/bpf/20240315021834.62988-3-alexei.starovoitov@gmail.com
---
tools/bpf/bpftool/gen.c | 2 +-
tools/lib/bpf/libbpf.c | 2 +-
tools/testing/selftests/bpf/bpf_arena_common.h | 2 +-
tools/testing/selftests/bpf/progs/arena_htab.c | 2 +-
tools/testing/selftests/bpf/progs/arena_list.c | 10 +++++-----
tools/testing/selftests/bpf/progs/verifier_arena.c | 4 ++--
6 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
index 4fa4ade1ce744..540c0f2c4fda0 100644
--- a/tools/bpf/bpftool/gen.c
+++ b/tools/bpf/bpftool/gen.c
@@ -121,7 +121,7 @@ static bool get_datasec_ident(const char *sec_name, char *buf, size_t buf_sz)
int i, n;
/* recognize hard coded LLVM section name */
- if (strcmp(sec_name, ".arena.1") == 0) {
+ if (strcmp(sec_name, ".addr_space.1") == 0) {
/* this is the name to use in skeleton */
snprintf(buf, buf_sz, "arena");
return true;
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index efab29b8935bd..36e26f4f5997d 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -498,7 +498,7 @@ struct bpf_struct_ops {
#define KSYMS_SEC ".ksyms"
#define STRUCT_OPS_SEC ".struct_ops"
#define STRUCT_OPS_LINK_SEC ".struct_ops.link"
-#define ARENA_SEC ".arena.1"
+#define ARENA_SEC ".addr_space.1"
enum libbpf_map_type {
LIBBPF_MAP_UNSPEC,
diff --git a/tools/testing/selftests/bpf/bpf_arena_common.h b/tools/testing/selftests/bpf/bpf_arena_common.h
index bcf195c64a45c..567491f3e1b51 100644
--- a/tools/testing/selftests/bpf/bpf_arena_common.h
+++ b/tools/testing/selftests/bpf/bpf_arena_common.h
@@ -32,7 +32,7 @@
*/
#endif
-#if defined(__BPF_FEATURE_ARENA_CAST) && !defined(BPF_ARENA_FORCE_ASM)
+#if defined(__BPF_FEATURE_ADDR_SPACE_CAST) && !defined(BPF_ARENA_FORCE_ASM)
#define __arena __attribute__((address_space(1)))
#define cast_kern(ptr) /* nop for bpf prog. emitted by LLVM */
#define cast_user(ptr) /* nop for bpf prog. emitted by LLVM */
diff --git a/tools/testing/selftests/bpf/progs/arena_htab.c b/tools/testing/selftests/bpf/progs/arena_htab.c
index b7bb712cacfdc..1e6ac187a6a0c 100644
--- a/tools/testing/selftests/bpf/progs/arena_htab.c
+++ b/tools/testing/selftests/bpf/progs/arena_htab.c
@@ -22,7 +22,7 @@ int zero = 0;
SEC("syscall")
int arena_htab_llvm(void *ctx)
{
-#if defined(__BPF_FEATURE_ARENA_CAST) || defined(BPF_ARENA_FORCE_ASM)
+#if defined(__BPF_FEATURE_ADDR_SPACE_CAST) || defined(BPF_ARENA_FORCE_ASM)
struct htab __arena *htab;
__u64 i;
diff --git a/tools/testing/selftests/bpf/progs/arena_list.c b/tools/testing/selftests/bpf/progs/arena_list.c
index cd35b84484356..c0422c58cee2c 100644
--- a/tools/testing/selftests/bpf/progs/arena_list.c
+++ b/tools/testing/selftests/bpf/progs/arena_list.c
@@ -30,13 +30,13 @@ int list_sum;
int cnt;
bool skip = false;
-#ifdef __BPF_FEATURE_ARENA_CAST
+#ifdef __BPF_FEATURE_ADDR_SPACE_CAST
long __arena arena_sum;
int __arena test_val = 1;
struct arena_list_head __arena global_head;
#else
-long arena_sum SEC(".arena.1");
-int test_val SEC(".arena.1");
+long arena_sum SEC(".addr_space.1");
+int test_val SEC(".addr_space.1");
#endif
int zero;
@@ -44,7 +44,7 @@ int zero;
SEC("syscall")
int arena_list_add(void *ctx)
{
-#ifdef __BPF_FEATURE_ARENA_CAST
+#ifdef __BPF_FEATURE_ADDR_SPACE_CAST
__u64 i;
list_head = &global_head;
@@ -66,7 +66,7 @@ int arena_list_add(void *ctx)
SEC("syscall")
int arena_list_del(void *ctx)
{
-#ifdef __BPF_FEATURE_ARENA_CAST
+#ifdef __BPF_FEATURE_ADDR_SPACE_CAST
struct elem __arena *n;
int sum = 0;
diff --git a/tools/testing/selftests/bpf/progs/verifier_arena.c b/tools/testing/selftests/bpf/progs/verifier_arena.c
index 5540b05ff9ee1..969bc091060bf 100644
--- a/tools/testing/selftests/bpf/progs/verifier_arena.c
+++ b/tools/testing/selftests/bpf/progs/verifier_arena.c
@@ -19,7 +19,7 @@ SEC("syscall")
__success __retval(0)
int basic_alloc1(void *ctx)
{
-#if defined(__BPF_FEATURE_ARENA_CAST)
+#if defined(__BPF_FEATURE_ADDR_SPACE_CAST)
volatile int __arena *page1, *page2, *no_page, *page3;
page1 = bpf_arena_alloc_pages(&arena, NULL, 1, NUMA_NO_NODE, 0);
@@ -58,7 +58,7 @@ SEC("syscall")
__success __retval(0)
int basic_alloc2(void *ctx)
{
-#if defined(__BPF_FEATURE_ARENA_CAST)
+#if defined(__BPF_FEATURE_ADDR_SPACE_CAST)
volatile char __arena *page1, *page2, *page3, *page4;
page1 = bpf_arena_alloc_pages(&arena, NULL, 2, NUMA_NO_NODE, 0);
--
GitLab
From 9a2d5a966b47e5657b22dfa257365b7ef2abc3c0 Mon Sep 17 00:00:00 2001
From: Alexei Starovoitov <ast@kernel.org>
Date: Thu, 14 Mar 2024 19:18:33 -0700
Subject: [PATCH 1242/2686] selftests/bpf: Remove hard coded PAGE_SIZE macro.
Remove hard coded PAGE_SIZE.
Add #include <sys/user.h> instead (that works on x86-64 and s390)
and fallback to slow getpagesize() for aarch64.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/bpf/20240315021834.62988-4-alexei.starovoitov@gmail.com
---
tools/testing/selftests/bpf/prog_tests/arena_htab.c | 8 +++++---
tools/testing/selftests/bpf/prog_tests/arena_list.c | 7 +++++--
2 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/tools/testing/selftests/bpf/prog_tests/arena_htab.c b/tools/testing/selftests/bpf/prog_tests/arena_htab.c
index 0766702de8465..d69fd2465f536 100644
--- a/tools/testing/selftests/bpf/prog_tests/arena_htab.c
+++ b/tools/testing/selftests/bpf/prog_tests/arena_htab.c
@@ -3,12 +3,14 @@
#include <test_progs.h>
#include <sys/mman.h>
#include <network_helpers.h>
-
+#include <sys/user.h>
+#ifndef PAGE_SIZE /* on some archs it comes in sys/user.h */
+#include <unistd.h>
+#define PAGE_SIZE getpagesize()
+#endif
#include "arena_htab_asm.skel.h"
#include "arena_htab.skel.h"
-#define PAGE_SIZE 4096
-
#include "bpf_arena_htab.h"
static void test_arena_htab_common(struct htab *htab)
diff --git a/tools/testing/selftests/bpf/prog_tests/arena_list.c b/tools/testing/selftests/bpf/prog_tests/arena_list.c
index e61886debab12..d15867cddde06 100644
--- a/tools/testing/selftests/bpf/prog_tests/arena_list.c
+++ b/tools/testing/selftests/bpf/prog_tests/arena_list.c
@@ -3,8 +3,11 @@
#include <test_progs.h>
#include <sys/mman.h>
#include <network_helpers.h>
-
-#define PAGE_SIZE 4096
+#include <sys/user.h>
+#ifndef PAGE_SIZE /* on some archs it comes in sys/user.h */
+#include <unistd.h>
+#define PAGE_SIZE getpagesize()
+#endif
#include "bpf_arena_list.h"
#include "arena_list.skel.h"
--
GitLab
From a90c5845db958701ddc7659bc4f6db6fa647e449 Mon Sep 17 00:00:00 2001
From: Alexei Starovoitov <ast@kernel.org>
Date: Thu, 14 Mar 2024 19:18:34 -0700
Subject: [PATCH 1243/2686] selftests/bpf: Add arena test case for 4Gbyte
corner case
Check that 4Gbyte arena can be allocated and overflow/underflow access in
the first and the last page behaves as expected.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/bpf/20240315021834.62988-5-alexei.starovoitov@gmail.com
---
.../selftests/bpf/prog_tests/verifier.c | 2 +
.../bpf/progs/verifier_arena_large.c | 68 +++++++++++++++++++
2 files changed, 70 insertions(+)
create mode 100644 tools/testing/selftests/bpf/progs/verifier_arena_large.c
diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c
index 985273832f891..c4f9f306646ed 100644
--- a/tools/testing/selftests/bpf/prog_tests/verifier.c
+++ b/tools/testing/selftests/bpf/prog_tests/verifier.c
@@ -5,6 +5,7 @@
#include "cap_helpers.h"
#include "verifier_and.skel.h"
#include "verifier_arena.skel.h"
+#include "verifier_arena_large.skel.h"
#include "verifier_array_access.skel.h"
#include "verifier_basic_stack.skel.h"
#include "verifier_bitfield_write.skel.h"
@@ -120,6 +121,7 @@ static void run_tests_aux(const char *skel_name,
void test_verifier_and(void) { RUN(verifier_and); }
void test_verifier_arena(void) { RUN(verifier_arena); }
+void test_verifier_arena_large(void) { RUN(verifier_arena_large); }
void test_verifier_basic_stack(void) { RUN(verifier_basic_stack); }
void test_verifier_bitfield_write(void) { RUN(verifier_bitfield_write); }
void test_verifier_bounds(void) { RUN(verifier_bounds); }
diff --git a/tools/testing/selftests/bpf/progs/verifier_arena_large.c b/tools/testing/selftests/bpf/progs/verifier_arena_large.c
new file mode 100644
index 0000000000000..ef66ea460264c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/verifier_arena_large.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
+
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include "bpf_misc.h"
+#include "bpf_experimental.h"
+#include "bpf_arena_common.h"
+
+#define ARENA_SIZE (1ull << 32)
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARENA);
+ __uint(map_flags, BPF_F_MMAPABLE);
+ __uint(max_entries, ARENA_SIZE / PAGE_SIZE);
+} arena SEC(".maps");
+
+SEC("syscall")
+__success __retval(0)
+int big_alloc1(void *ctx)
+{
+#if defined(__BPF_FEATURE_ADDR_SPACE_CAST)
+ volatile char __arena *page1, *page2, *no_page, *page3;
+ void __arena *base;
+
+ page1 = base = bpf_arena_alloc_pages(&arena, NULL, 1, NUMA_NO_NODE, 0);
+ if (!page1)
+ return 1;
+ *page1 = 1;
+ page2 = bpf_arena_alloc_pages(&arena, base + ARENA_SIZE - PAGE_SIZE,
+ 1, NUMA_NO_NODE, 0);
+ if (!page2)
+ return 2;
+ *page2 = 2;
+ no_page = bpf_arena_alloc_pages(&arena, base + ARENA_SIZE,
+ 1, NUMA_NO_NODE, 0);
+ if (no_page)
+ return 3;
+ if (*page1 != 1)
+ return 4;
+ if (*page2 != 2)
+ return 5;
+ bpf_arena_free_pages(&arena, (void __arena *)page1, 1);
+ if (*page2 != 2)
+ return 6;
+ if (*page1 != 0) /* use-after-free should return 0 */
+ return 7;
+ page3 = bpf_arena_alloc_pages(&arena, NULL, 1, NUMA_NO_NODE, 0);
+ if (!page3)
+ return 8;
+ *page3 = 3;
+ if (page1 != page3)
+ return 9;
+ if (*page2 != 2)
+ return 10;
+ if (*(page1 + PAGE_SIZE) != 0)
+ return 11;
+ if (*(page1 - PAGE_SIZE) != 0)
+ return 12;
+ if (*(page2 + PAGE_SIZE) != 0)
+ return 13;
+ if (*(page2 - PAGE_SIZE) != 0)
+ return 14;
+#endif
+ return 0;
+}
+char _license[] SEC("license") = "GPL";
--
GitLab
From 30dab608c3cb99c2a05b76289fd05551703979ae Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Fri, 15 Mar 2024 15:37:15 -0600
Subject: [PATCH 1244/2686] io_uring/futex: always remove futex entry for
cancel all
We know the request is either being removed, or already in the process of
being removed through task_work, so we can delete it from our futex list
upfront. This is important for remove all conditions, as we otherwise
will find it multiple times and prevent cancelation progress.
Cc: stable@vger.kernel.org
Fixes: 194bb58c6090 ("io_uring: add support for futex wake and wait")
Fixes: 8f350194d5cf ("io_uring: add support for vectored futex waits")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/futex.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/io_uring/futex.c b/io_uring/futex.c
index 3c3575303c3d0..792a03df58dea 100644
--- a/io_uring/futex.c
+++ b/io_uring/futex.c
@@ -159,6 +159,7 @@ bool io_futex_remove_all(struct io_ring_ctx *ctx, struct task_struct *task,
hlist_for_each_entry_safe(req, tmp, &ctx->futex_list, hash_node) {
if (!io_match_task_safe(req, task, cancel_all))
continue;
+ hlist_del_init(&req->hash_node);
__io_futex_cancel(ctx, req);
found = true;
}
--
GitLab
From 2b35b8b43e07b1a6f06fdd84cf4b9eb24785896d Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Fri, 15 Mar 2024 15:42:49 -0600
Subject: [PATCH 1245/2686] io_uring/waitid: always remove waitid entry for
cancel all
We know the request is either being removed, or already in the process of
being removed through task_work, so we can delete it from our waitid list
upfront. This is important for remove all conditions, as we otherwise
will find it multiple times and prevent cancelation progress.
Remove the dead check in cancelation as well for the hash_node being
empty or not. We already have a waitid reference check for ownership,
so we don't need to check the list too.
Cc: stable@vger.kernel.org
Fixes: f31ecf671ddc ("io_uring: add IORING_OP_WAITID support")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/waitid.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/io_uring/waitid.c b/io_uring/waitid.c
index 6f851978606d9..77d340666cb95 100644
--- a/io_uring/waitid.c
+++ b/io_uring/waitid.c
@@ -125,12 +125,6 @@ static void io_waitid_complete(struct io_kiocb *req, int ret)
lockdep_assert_held(&req->ctx->uring_lock);
- /*
- * Did cancel find it meanwhile?
- */
- if (hlist_unhashed(&req->hash_node))
- return;
-
hlist_del_init(&req->hash_node);
ret = io_waitid_finish(req, ret);
@@ -202,6 +196,7 @@ bool io_waitid_remove_all(struct io_ring_ctx *ctx, struct task_struct *task,
hlist_for_each_entry_safe(req, tmp, &ctx->waitid_list, hash_node) {
if (!io_match_task_safe(req, task, cancel_all))
continue;
+ hlist_del_init(&req->hash_node);
__io_waitid_cancel(ctx, req);
found = true;
}
--
GitLab
From 152609795dbf02f004c86049b75c23f4e68071d8 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sat, 16 Mar 2024 01:10:21 +0100
Subject: [PATCH 1246/2686] fbcon: Increase maximum font width x height to 64 x
128
By using bitmaps we actually support whatever size we would want, but
the console currently limits fonts to 64x128 (which gives 60x16 text on
4k screens), so we don't need more for now, and we can easily increase
later.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Helge Deller <deller@gmx.de>
---
drivers/firmware/efi/earlycon.c | 2 +-
drivers/video/fbdev/arkfb.c | 15 +++++++++++----
drivers/video/fbdev/core/fbcon.c | 16 +++++++++-------
drivers/video/fbdev/core/fbmem.c | 12 ++++++------
drivers/video/fbdev/core/svgalib.c | 15 +++++++++++----
drivers/video/fbdev/s3fb.c | 15 +++++++++++----
drivers/video/fbdev/vga16fb.c | 6 +++++-
drivers/video/fbdev/vt8623fb.c | 15 +++++++++++----
drivers/video/sticore.c | 2 +-
include/linux/fb.h | 18 ++++++++++++------
include/linux/font.h | 3 ++-
lib/fonts/fonts.c | 15 +++++++++------
12 files changed, 89 insertions(+), 45 deletions(-)
diff --git a/drivers/firmware/efi/earlycon.c b/drivers/firmware/efi/earlycon.c
index f80a9af3d16e9..d18a1a5de1449 100644
--- a/drivers/firmware/efi/earlycon.c
+++ b/drivers/firmware/efi/earlycon.c
@@ -252,7 +252,7 @@ static int __init efi_earlycon_setup(struct earlycon_device *device,
if (si->lfb_depth != 32)
return -ENODEV;
- font = get_default_font(xres, yres, -1, -1);
+ font = get_default_font(xres, yres, NULL, NULL);
if (!font)
return -ENODEV;
diff --git a/drivers/video/fbdev/arkfb.c b/drivers/video/fbdev/arkfb.c
index dca9c0325b3f0..082501feceb96 100644
--- a/drivers/video/fbdev/arkfb.c
+++ b/drivers/video/fbdev/arkfb.c
@@ -622,8 +622,13 @@ static int arkfb_set_par(struct fb_info *info)
info->tileops = NULL;
/* in 4bpp supports 8p wide tiles only, any tiles otherwise */
- info->pixmap.blit_x = (bpp == 4) ? (1 << (8 - 1)) : (~(u32)0);
- info->pixmap.blit_y = ~(u32)0;
+ if (bpp == 4) {
+ bitmap_zero(info->pixmap.blit_x, FB_MAX_BLIT_WIDTH);
+ set_bit(8 - 1, info->pixmap.blit_x);
+ } else {
+ bitmap_fill(info->pixmap.blit_x, FB_MAX_BLIT_WIDTH);
+ }
+ bitmap_fill(info->pixmap.blit_y, FB_MAX_BLIT_HEIGHT);
offset_value = (info->var.xres_virtual * bpp) / 64;
screen_size = info->var.yres_virtual * info->fix.line_length;
@@ -635,8 +640,10 @@ static int arkfb_set_par(struct fb_info *info)
info->tileops = &arkfb_tile_ops;
/* supports 8x16 tiles only */
- info->pixmap.blit_x = 1 << (8 - 1);
- info->pixmap.blit_y = 1 << (16 - 1);
+ bitmap_zero(info->pixmap.blit_x, FB_MAX_BLIT_WIDTH);
+ set_bit(8 - 1, info->pixmap.blit_x);
+ bitmap_zero(info->pixmap.blit_y, FB_MAX_BLIT_HEIGHT);
+ set_bit(16 - 1, info->pixmap.blit_y);
offset_value = info->var.xres_virtual / 16;
screen_size = (info->var.xres_virtual * info->var.yres_virtual) / 64;
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 1183e7a871f8b..4b67b32fdbc7a 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2485,12 +2485,12 @@ static int fbcon_set_font(struct vc_data *vc, struct console_font *font,
h > FBCON_SWAP(info->var.rotate, info->var.yres, info->var.xres))
return -EINVAL;
- if (font->width > 32 || font->height > 32)
+ if (font->width > FB_MAX_BLIT_WIDTH || font->height > FB_MAX_BLIT_HEIGHT)
return -EINVAL;
/* Make sure drawing engine can handle the font */
- if (!(info->pixmap.blit_x & BIT(font->width - 1)) ||
- !(info->pixmap.blit_y & BIT(font->height - 1)))
+ if (!test_bit(font->width - 1, info->pixmap.blit_x) ||
+ !test_bit(font->height - 1, info->pixmap.blit_y))
return -EINVAL;
/* Make sure driver can handle the font length */
@@ -3084,8 +3084,8 @@ void fbcon_get_requirement(struct fb_info *info,
vc = vc_cons[i].d;
if (vc && vc->vc_mode == KD_TEXT &&
info->node == con2fb_map[i]) {
- caps->x |= 1 << (vc->vc_font.width - 1);
- caps->y |= 1 << (vc->vc_font.height - 1);
+ set_bit(vc->vc_font.width - 1, caps->x);
+ set_bit(vc->vc_font.height - 1, caps->y);
charcnt = vc->vc_font.charcount;
if (caps->len < charcnt)
caps->len = charcnt;
@@ -3096,8 +3096,10 @@ void fbcon_get_requirement(struct fb_info *info,
if (vc && vc->vc_mode == KD_TEXT &&
info->node == con2fb_map[fg_console]) {
- caps->x = 1 << (vc->vc_font.width - 1);
- caps->y = 1 << (vc->vc_font.height - 1);
+ bitmap_zero(caps->x, FB_MAX_BLIT_WIDTH);
+ set_bit(vc->vc_font.width - 1, caps->x);
+ bitmap_zero(caps->y, FB_MAX_BLIT_HEIGHT);
+ set_bit(vc->vc_font.height - 1, caps->y);
caps->len = vc->vc_font.charcount;
}
}
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index fc206755f5f6d..5ca18bfe11f66 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -212,8 +212,8 @@ static int fb_check_caps(struct fb_info *info, struct fb_var_screeninfo *var,
fbcon_get_requirement(info, &caps);
info->fbops->fb_get_caps(info, &fbcaps, var);
- if (((fbcaps.x ^ caps.x) & caps.x) ||
- ((fbcaps.y ^ caps.y) & caps.y) ||
+ if (!bitmap_subset(caps.x, fbcaps.x, FB_MAX_BLIT_WIDTH) ||
+ !bitmap_subset(caps.y, fbcaps.y, FB_MAX_BLIT_HEIGHT) ||
(fbcaps.len < caps.len))
err = -EINVAL;
@@ -420,11 +420,11 @@ static int do_register_framebuffer(struct fb_info *fb_info)
}
fb_info->pixmap.offset = 0;
- if (!fb_info->pixmap.blit_x)
- fb_info->pixmap.blit_x = ~(u32)0;
+ if (bitmap_empty(fb_info->pixmap.blit_x, FB_MAX_BLIT_WIDTH))
+ bitmap_fill(fb_info->pixmap.blit_x, FB_MAX_BLIT_WIDTH);
- if (!fb_info->pixmap.blit_y)
- fb_info->pixmap.blit_y = ~(u32)0;
+ if (bitmap_empty(fb_info->pixmap.blit_y, FB_MAX_BLIT_HEIGHT))
+ bitmap_fill(fb_info->pixmap.blit_y, FB_MAX_BLIT_HEIGHT);
if (!fb_info->modelist.prev || !fb_info->modelist.next)
INIT_LIST_HEAD(&fb_info->modelist);
diff --git a/drivers/video/fbdev/core/svgalib.c b/drivers/video/fbdev/core/svgalib.c
index 2cba158888ea4..821b89a0a6453 100644
--- a/drivers/video/fbdev/core/svgalib.c
+++ b/drivers/video/fbdev/core/svgalib.c
@@ -354,12 +354,19 @@ void svga_get_caps(struct fb_info *info, struct fb_blit_caps *caps,
{
if (var->bits_per_pixel == 0) {
/* can only support 256 8x16 bitmap */
- caps->x = 1 << (8 - 1);
- caps->y = 1 << (16 - 1);
+ bitmap_zero(caps->x, FB_MAX_BLIT_WIDTH);
+ set_bit(8 - 1, caps->x);
+ bitmap_zero(caps->y, FB_MAX_BLIT_HEIGHT);
+ set_bit(16 - 1, caps->y);
caps->len = 256;
} else {
- caps->x = (var->bits_per_pixel == 4) ? 1 << (8 - 1) : ~(u32)0;
- caps->y = ~(u32)0;
+ if (var->bits_per_pixel == 4) {
+ bitmap_zero(caps->x, FB_MAX_BLIT_WIDTH);
+ set_bit(8 - 1, caps->x);
+ } else {
+ bitmap_fill(caps->x, FB_MAX_BLIT_WIDTH);
+ }
+ bitmap_fill(caps->y, FB_MAX_BLIT_HEIGHT);
caps->len = ~(u32)0;
}
}
diff --git a/drivers/video/fbdev/s3fb.c b/drivers/video/fbdev/s3fb.c
index 07722a5ea8eff..ff84106ecf1c1 100644
--- a/drivers/video/fbdev/s3fb.c
+++ b/drivers/video/fbdev/s3fb.c
@@ -617,8 +617,13 @@ static int s3fb_set_par(struct fb_info *info)
info->tileops = NULL;
/* in 4bpp supports 8p wide tiles only, any tiles otherwise */
- info->pixmap.blit_x = (bpp == 4) ? (1 << (8 - 1)) : (~(u32)0);
- info->pixmap.blit_y = ~(u32)0;
+ if (bpp == 4) {
+ bitmap_zero(info->pixmap.blit_x, FB_MAX_BLIT_WIDTH);
+ set_bit(8 - 1, info->pixmap.blit_x);
+ } else {
+ bitmap_fill(info->pixmap.blit_x, FB_MAX_BLIT_WIDTH);
+ }
+ bitmap_fill(info->pixmap.blit_y, FB_MAX_BLIT_HEIGHT);
offset_value = (info->var.xres_virtual * bpp) / 64;
screen_size = info->var.yres_virtual * info->fix.line_length;
@@ -630,8 +635,10 @@ static int s3fb_set_par(struct fb_info *info)
info->tileops = fasttext ? &s3fb_fast_tile_ops : &s3fb_tile_ops;
/* supports 8x16 tiles only */
- info->pixmap.blit_x = 1 << (8 - 1);
- info->pixmap.blit_y = 1 << (16 - 1);
+ bitmap_zero(info->pixmap.blit_x, FB_MAX_BLIT_WIDTH);
+ set_bit(8 - 1, info->pixmap.blit_x);
+ bitmap_zero(info->pixmap.blit_y, FB_MAX_BLIT_HEIGHT);
+ set_bit(16 - 1, info->pixmap.blit_y);
offset_value = info->var.xres_virtual / 16;
screen_size = (info->var.xres_virtual * info->var.yres_virtual) / 64;
diff --git a/drivers/video/fbdev/vga16fb.c b/drivers/video/fbdev/vga16fb.c
index b485e91982013..a87bafbb119cc 100644
--- a/drivers/video/fbdev/vga16fb.c
+++ b/drivers/video/fbdev/vga16fb.c
@@ -1353,7 +1353,11 @@ static int vga16fb_probe(struct platform_device *dev)
info->var = vga16fb_defined;
info->fix = vga16fb_fix;
/* supports rectangles with widths of multiples of 8 */
- info->pixmap.blit_x = 1 << 7 | 1 << 15 | 1 << 23 | 1 << 31;
+ bitmap_zero(info->pixmap.blit_x, FB_MAX_BLIT_WIDTH);
+ set_bit(8 - 1, info->pixmap.blit_x);
+ set_bit(16 - 1, info->pixmap.blit_x);
+ set_bit(24 - 1, info->pixmap.blit_x);
+ set_bit(32 - 1, info->pixmap.blit_x);
info->flags = FBINFO_HWACCEL_YPAN;
i = (info->var.bits_per_pixel == 8) ? 256 : 16;
diff --git a/drivers/video/fbdev/vt8623fb.c b/drivers/video/fbdev/vt8623fb.c
index f8d022cb61e8d..df984f3a7ff64 100644
--- a/drivers/video/fbdev/vt8623fb.c
+++ b/drivers/video/fbdev/vt8623fb.c
@@ -390,8 +390,13 @@ static int vt8623fb_set_par(struct fb_info *info)
info->tileops = NULL;
/* in 4bpp supports 8p wide tiles only, any tiles otherwise */
- info->pixmap.blit_x = (bpp == 4) ? (1 << (8 - 1)) : (~(u32)0);
- info->pixmap.blit_y = ~(u32)0;
+ if (bpp == 4) {
+ bitmap_zero(info->pixmap.blit_x, FB_MAX_BLIT_WIDTH);
+ set_bit(8 - 1, info->pixmap.blit_x);
+ } else {
+ bitmap_fill(info->pixmap.blit_x, FB_MAX_BLIT_WIDTH);
+ }
+ bitmap_fill(info->pixmap.blit_y, FB_MAX_BLIT_HEIGHT);
offset_value = (info->var.xres_virtual * bpp) / 64;
fetch_value = ((info->var.xres * bpp) / 128) + 4;
@@ -408,8 +413,10 @@ static int vt8623fb_set_par(struct fb_info *info)
info->tileops = &vt8623fb_tile_ops;
/* supports 8x16 tiles only */
- info->pixmap.blit_x = 1 << (8 - 1);
- info->pixmap.blit_y = 1 << (16 - 1);
+ bitmap_zero(info->pixmap.blit_x, FB_MAX_BLIT_WIDTH);
+ set_bit(8 - 1, info->pixmap.blit_x);
+ bitmap_zero(info->pixmap.blit_y, FB_MAX_BLIT_HEIGHT);
+ set_bit(16 - 1, info->pixmap.blit_y);
offset_value = info->var.xres_virtual / 16;
fetch_value = (info->var.xres / 8) + 8;
diff --git a/drivers/video/sticore.c b/drivers/video/sticore.c
index 7115b325817f6..88a1758616e02 100644
--- a/drivers/video/sticore.c
+++ b/drivers/video/sticore.c
@@ -529,7 +529,7 @@ sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name)
if (fbfont_name && strlen(fbfont_name))
fbfont = find_font(fbfont_name);
if (!fbfont)
- fbfont = get_default_font(1024,768, ~(u32)0, ~(u32)0);
+ fbfont = get_default_font(1024, 768, NULL, NULL);
if (!fbfont)
return NULL;
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 05dc9624897df..7d7c7791fd26a 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -143,9 +143,13 @@ struct fb_event {
void *data;
};
+/* Enough for the VT console needs, see its max_font_width/height */
+#define FB_MAX_BLIT_WIDTH 64
+#define FB_MAX_BLIT_HEIGHT 128
+
struct fb_blit_caps {
- u32 x;
- u32 y;
+ DECLARE_BITMAP(x, FB_MAX_BLIT_WIDTH);
+ DECLARE_BITMAP(y, FB_MAX_BLIT_HEIGHT);
u32 len;
u32 flags;
};
@@ -192,10 +196,12 @@ struct fb_pixmap {
u32 scan_align; /* alignment per scanline */
u32 access_align; /* alignment per read/write (bits) */
u32 flags; /* see FB_PIXMAP_* */
- u32 blit_x; /* supported bit block dimensions (1-32)*/
- u32 blit_y; /* Format: blit_x = 1 << (width - 1) */
- /* blit_y = 1 << (height - 1) */
- /* if 0, will be set to 0xffffffff (all)*/
+ /* supported bit block dimensions */
+ /* Format: test_bit(width - 1, blit_x) */
+ /* test_bit(height - 1, blit_y) */
+ /* if zero, will be set to full (all) */
+ DECLARE_BITMAP(blit_x, FB_MAX_BLIT_WIDTH);
+ DECLARE_BITMAP(blit_y, FB_MAX_BLIT_HEIGHT);
/* access methods */
void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
diff --git a/include/linux/font.h b/include/linux/font.h
index abf1442ce7191..81caffd51bb49 100644
--- a/include/linux/font.h
+++ b/include/linux/font.h
@@ -57,7 +57,8 @@ extern const struct font_desc *find_font(const char *name);
/* Get the default font for a specific screen size */
extern const struct font_desc *get_default_font(int xres, int yres,
- u32 font_w, u32 font_h);
+ unsigned long *font_w,
+ unsigned long *font_h);
/* Max. length for the name of a predefined font */
#define MAX_FONT_NAME 32
diff --git a/lib/fonts/fonts.c b/lib/fonts/fonts.c
index 9738664386088..47e34950b665c 100644
--- a/lib/fonts/fonts.c
+++ b/lib/fonts/fonts.c
@@ -96,18 +96,21 @@ EXPORT_SYMBOL(find_font);
* get_default_font - get default font
* @xres: screen size of X
* @yres: screen size of Y
- * @font_w: bit array of supported widths (1 - 32)
- * @font_h: bit array of supported heights (1 - 32)
+ * @font_w: bit array of supported widths (1 - FB_MAX_BLIT_WIDTH)
+ * @font_h: bit array of supported heights (1 - FB_MAX_BLIT_HEIGHT)
*
* Get the default font for a specified screen size.
* Dimensions are in pixels.
*
+ * font_w or font_h being NULL means all values are supported.
+ *
* Returns %NULL if no font is found, or a pointer to the
* chosen font.
*
*/
-const struct font_desc *get_default_font(int xres, int yres, u32 font_w,
- u32 font_h)
+const struct font_desc *get_default_font(int xres, int yres,
+ unsigned long *font_w,
+ unsigned long *font_h)
{
int i, c, cc, res;
const struct font_desc *f, *g;
@@ -135,8 +138,8 @@ const struct font_desc *get_default_font(int xres, int yres, u32 font_w,
if (res > 20)
c += 20 - res;
- if ((font_w & (1U << (f->width - 1))) &&
- (font_h & (1U << (f->height - 1))))
+ if ((!font_w || test_bit(f->width - 1, font_w)) &&
+ (!font_h || test_bit(f->height - 1, font_h)))
c += 1000;
if (c > cc) {
--
GitLab
From f3a640cca951ef9715597e68f5363afc0f452a88 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Fri, 15 Mar 2024 16:36:23 -0600
Subject: [PATCH 1247/2686] io_uring/net: ensure async prep handlers always
initialize ->done_io
If we get a request with IOSQE_ASYNC set, then we first run the prep
async handlers. But if we then fail setting it up and want to post
a CQE with -EINVAL, we use ->done_io. This was previously guarded with
REQ_F_PARTIAL_IO, and the normal setup handlers do set it up before any
potential errors, but we need to cover the async setup too.
Fixes: 9817ad85899f ("io_uring/net: remove dependency on REQ_F_PARTIAL_IO for sr->done_io")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/net.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/io_uring/net.c b/io_uring/net.c
index 19451f0dbf813..1e7665ff6ef70 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -326,7 +326,10 @@ int io_send_prep_async(struct io_kiocb *req)
struct io_async_msghdr *io;
int ret;
- if (!zc->addr || req_has_async_data(req))
+ if (req_has_async_data(req))
+ return 0;
+ zc->done_io = 0;
+ if (!zc->addr)
return 0;
io = io_msg_alloc_async_prep(req);
if (!io)
@@ -353,8 +356,10 @@ static int io_setup_async_addr(struct io_kiocb *req,
int io_sendmsg_prep_async(struct io_kiocb *req)
{
+ struct io_sr_msg *sr = io_kiocb_to_cmd(req, struct io_sr_msg);
int ret;
+ sr->done_io = 0;
if (!io_msg_alloc_async_prep(req))
return -ENOMEM;
ret = io_sendmsg_copy_hdr(req, req->async_data);
@@ -608,9 +613,11 @@ static int io_recvmsg_copy_hdr(struct io_kiocb *req,
int io_recvmsg_prep_async(struct io_kiocb *req)
{
+ struct io_sr_msg *sr = io_kiocb_to_cmd(req, struct io_sr_msg);
struct io_async_msghdr *iomsg;
int ret;
+ sr->done_io = 0;
if (!io_msg_alloc_async_prep(req))
return -ENOMEM;
iomsg = req->async_data;
--
GitLab
From e21e1c45e1fe2e31732f40256b49c04e76a17cee Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Sat, 16 Mar 2024 09:51:40 -0600
Subject: [PATCH 1248/2686] io_uring: clear opcode specific data for an early
failure
If failure happens before the opcode prep handler is called, ensure that
we clear the opcode specific area of the request, which holds data
specific to that request type. This prevents errors where opcode
handlers either don't get to clear per-request private data since prep
isn't even called.
Reported-and-tested-by: syzbot+f8e9a371388aa62ecab4@syzkaller.appspotmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/io_uring.c | 25 ++++++++++++++++---------
1 file changed, 16 insertions(+), 9 deletions(-)
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 3ae4bb9889061..5d4b448fdc503 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -2181,6 +2181,13 @@ static void io_init_req_drain(struct io_kiocb *req)
}
}
+static __cold int io_init_fail_req(struct io_kiocb *req, int err)
+{
+ /* ensure per-opcode data is cleared if we fail before prep */
+ memset(&req->cmd.data, 0, sizeof(req->cmd.data));
+ return err;
+}
+
static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req,
const struct io_uring_sqe *sqe)
__must_hold(&ctx->uring_lock)
@@ -2202,29 +2209,29 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req,
if (unlikely(opcode >= IORING_OP_LAST)) {
req->opcode = 0;
- return -EINVAL;
+ return io_init_fail_req(req, -EINVAL);
}
def = &io_issue_defs[opcode];
if (unlikely(sqe_flags & ~SQE_COMMON_FLAGS)) {
/* enforce forwards compatibility on users */
if (sqe_flags & ~SQE_VALID_FLAGS)
- return -EINVAL;
+ return io_init_fail_req(req, -EINVAL);
if (sqe_flags & IOSQE_BUFFER_SELECT) {
if (!def->buffer_select)
- return -EOPNOTSUPP;
+ return io_init_fail_req(req, -EOPNOTSUPP);
req->buf_index = READ_ONCE(sqe->buf_group);
}
if (sqe_flags & IOSQE_CQE_SKIP_SUCCESS)
ctx->drain_disabled = true;
if (sqe_flags & IOSQE_IO_DRAIN) {
if (ctx->drain_disabled)
- return -EOPNOTSUPP;
+ return io_init_fail_req(req, -EOPNOTSUPP);
io_init_req_drain(req);
}
}
if (unlikely(ctx->restricted || ctx->drain_active || ctx->drain_next)) {
if (ctx->restricted && !io_check_restriction(ctx, req, sqe_flags))
- return -EACCES;
+ return io_init_fail_req(req, -EACCES);
/* knock it to the slow queue path, will be drained there */
if (ctx->drain_active)
req->flags |= REQ_F_FORCE_ASYNC;
@@ -2237,9 +2244,9 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req,
}
if (!def->ioprio && sqe->ioprio)
- return -EINVAL;
+ return io_init_fail_req(req, -EINVAL);
if (!def->iopoll && (ctx->flags & IORING_SETUP_IOPOLL))
- return -EINVAL;
+ return io_init_fail_req(req, -EINVAL);
if (def->needs_file) {
struct io_submit_state *state = &ctx->submit_state;
@@ -2263,12 +2270,12 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req,
req->creds = xa_load(&ctx->personalities, personality);
if (!req->creds)
- return -EINVAL;
+ return io_init_fail_req(req, -EINVAL);
get_cred(req->creds);
ret = security_uring_override_creds(req->creds);
if (ret) {
put_cred(req->creds);
- return ret;
+ return io_init_fail_req(req, ret);
}
req->flags |= REQ_F_CREDS;
}
--
GitLab
From 78cb0945f7141961781f815168f6873ad2b7ed29 Mon Sep 17 00:00:00 2001
From: Christophe Leroy <christophe.leroy@csgroup.eu>
Date: Sat, 16 Mar 2024 12:18:21 +0100
Subject: [PATCH 1249/2686] powerpc: Handle error in mark_rodata_ro() and
mark_initmem_nx()
mark_rodata_ro() and mark_initmem_nx() use functions that can
fail like set_memory_nx() and set_memory_ro(), leading to a not
protected kernel.
In case of failure, panic.
Link: https://github.com/KSPP/linux/issues/7
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/b16329611deb89e1af505d43f0e2a91310584d26.1710587887.git.christophe.leroy@csgroup.eu
---
arch/powerpc/mm/book3s32/mmu.c | 7 +++++--
arch/powerpc/mm/mmu_decl.h | 8 +++----
arch/powerpc/mm/nohash/8xx.c | 33 ++++++++++++++++++-----------
arch/powerpc/mm/nohash/e500.c | 10 ++++++---
arch/powerpc/mm/pgtable_32.c | 38 +++++++++++++++++++++++++---------
5 files changed, 65 insertions(+), 31 deletions(-)
diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c
index 5445587bfe841..100f999871bc3 100644
--- a/arch/powerpc/mm/book3s32/mmu.c
+++ b/arch/powerpc/mm/book3s32/mmu.c
@@ -193,7 +193,7 @@ static bool is_module_segment(unsigned long addr)
return true;
}
-void mmu_mark_initmem_nx(void)
+int mmu_mark_initmem_nx(void)
{
int nb = mmu_has_feature(MMU_FTR_USE_HIGH_BATS) ? 8 : 4;
int i;
@@ -230,9 +230,10 @@ void mmu_mark_initmem_nx(void)
mtsr(mfsr(i << 28) | 0x10000000, i << 28);
}
+ return 0;
}
-void mmu_mark_rodata_ro(void)
+int mmu_mark_rodata_ro(void)
{
int nb = mmu_has_feature(MMU_FTR_USE_HIGH_BATS) ? 8 : 4;
int i;
@@ -245,6 +246,8 @@ void mmu_mark_rodata_ro(void)
}
update_bats();
+
+ return 0;
}
/*
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index 8e84bc214d133..6949c2c937e72 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -160,11 +160,11 @@ static inline unsigned long p_block_mapped(phys_addr_t pa) { return 0; }
#endif
#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_PPC_8xx) || defined(CONFIG_PPC_E500)
-void mmu_mark_initmem_nx(void);
-void mmu_mark_rodata_ro(void);
+int mmu_mark_initmem_nx(void);
+int mmu_mark_rodata_ro(void);
#else
-static inline void mmu_mark_initmem_nx(void) { }
-static inline void mmu_mark_rodata_ro(void) { }
+static inline int mmu_mark_initmem_nx(void) { return 0; }
+static inline int mmu_mark_rodata_ro(void) { return 0; }
#endif
#ifdef CONFIG_PPC_8xx
diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c
index 6be6421086ed9..43d4842bb1c7a 100644
--- a/arch/powerpc/mm/nohash/8xx.c
+++ b/arch/powerpc/mm/nohash/8xx.c
@@ -119,23 +119,26 @@ void __init mmu_mapin_immr(void)
PAGE_KERNEL_NCG, MMU_PAGE_512K, true);
}
-static void mmu_mapin_ram_chunk(unsigned long offset, unsigned long top,
- pgprot_t prot, bool new)
+static int mmu_mapin_ram_chunk(unsigned long offset, unsigned long top,
+ pgprot_t prot, bool new)
{
unsigned long v = PAGE_OFFSET + offset;
unsigned long p = offset;
+ int err = 0;
WARN_ON(!IS_ALIGNED(offset, SZ_512K) || !IS_ALIGNED(top, SZ_512K));
- for (; p < ALIGN(p, SZ_8M) && p < top; p += SZ_512K, v += SZ_512K)
- __early_map_kernel_hugepage(v, p, prot, MMU_PAGE_512K, new);
- for (; p < ALIGN_DOWN(top, SZ_8M) && p < top; p += SZ_8M, v += SZ_8M)
- __early_map_kernel_hugepage(v, p, prot, MMU_PAGE_8M, new);
- for (; p < ALIGN_DOWN(top, SZ_512K) && p < top; p += SZ_512K, v += SZ_512K)
- __early_map_kernel_hugepage(v, p, prot, MMU_PAGE_512K, new);
+ for (; p < ALIGN(p, SZ_8M) && p < top && !err; p += SZ_512K, v += SZ_512K)
+ err = __early_map_kernel_hugepage(v, p, prot, MMU_PAGE_512K, new);
+ for (; p < ALIGN_DOWN(top, SZ_8M) && p < top && !err; p += SZ_8M, v += SZ_8M)
+ err = __early_map_kernel_hugepage(v, p, prot, MMU_PAGE_8M, new);
+ for (; p < ALIGN_DOWN(top, SZ_512K) && p < top && !err; p += SZ_512K, v += SZ_512K)
+ err = __early_map_kernel_hugepage(v, p, prot, MMU_PAGE_512K, new);
if (!new)
flush_tlb_kernel_range(PAGE_OFFSET + v, PAGE_OFFSET + top);
+
+ return err;
}
unsigned long __init mmu_mapin_ram(unsigned long base, unsigned long top)
@@ -166,27 +169,33 @@ unsigned long __init mmu_mapin_ram(unsigned long base, unsigned long top)
return top;
}
-void mmu_mark_initmem_nx(void)
+int mmu_mark_initmem_nx(void)
{
unsigned long etext8 = ALIGN(__pa(_etext), SZ_8M);
unsigned long sinittext = __pa(_sinittext);
unsigned long boundary = strict_kernel_rwx_enabled() ? sinittext : etext8;
unsigned long einittext8 = ALIGN(__pa(_einittext), SZ_8M);
+ int err = 0;
if (!debug_pagealloc_enabled_or_kfence())
- mmu_mapin_ram_chunk(boundary, einittext8, PAGE_KERNEL, false);
+ err = mmu_mapin_ram_chunk(boundary, einittext8, PAGE_KERNEL, false);
mmu_pin_tlb(block_mapped_ram, false);
+
+ return err;
}
#ifdef CONFIG_STRICT_KERNEL_RWX
-void mmu_mark_rodata_ro(void)
+int mmu_mark_rodata_ro(void)
{
unsigned long sinittext = __pa(_sinittext);
+ int err;
- mmu_mapin_ram_chunk(0, sinittext, PAGE_KERNEL_ROX, false);
+ err = mmu_mapin_ram_chunk(0, sinittext, PAGE_KERNEL_ROX, false);
if (IS_ENABLED(CONFIG_PIN_TLB_DATA))
mmu_pin_tlb(block_mapped_ram, true);
+
+ return err;
}
#endif
diff --git a/arch/powerpc/mm/nohash/e500.c b/arch/powerpc/mm/nohash/e500.c
index 921c3521ec113..266fb22131fc1 100644
--- a/arch/powerpc/mm/nohash/e500.c
+++ b/arch/powerpc/mm/nohash/e500.c
@@ -285,19 +285,23 @@ void __init adjust_total_lowmem(void)
}
#ifdef CONFIG_STRICT_KERNEL_RWX
-void mmu_mark_rodata_ro(void)
+int mmu_mark_rodata_ro(void)
{
unsigned long remapped;
remapped = map_mem_in_cams(__max_low_memory, CONFIG_LOWMEM_CAM_NUM, false, false);
- WARN_ON(__max_low_memory != remapped);
+ if (WARN_ON(__max_low_memory != remapped))
+ return -EINVAL;
+
+ return 0;
}
#endif
-void mmu_mark_initmem_nx(void)
+int mmu_mark_initmem_nx(void)
{
/* Everything is done in mmu_mark_rodata_ro() */
+ return 0;
}
void setup_initial_memory_limit(phys_addr_t first_memblock_base,
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index face94977cb2f..cfd622ebf774b 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -130,31 +130,41 @@ void __init mapin_ram(void)
}
}
-void mark_initmem_nx(void)
+static int __mark_initmem_nx(void)
{
unsigned long numpages = PFN_UP((unsigned long)_einittext) -
PFN_DOWN((unsigned long)_sinittext);
+ int err;
- mmu_mark_initmem_nx();
+ err = mmu_mark_initmem_nx();
if (!v_block_mapped((unsigned long)_sinittext)) {
- set_memory_nx((unsigned long)_sinittext, numpages);
- set_memory_rw((unsigned long)_sinittext, numpages);
+ err = set_memory_nx((unsigned long)_sinittext, numpages);
+ if (err)
+ return err;
+ err = set_memory_rw((unsigned long)_sinittext, numpages);
}
+ return err;
+}
+
+void mark_initmem_nx(void)
+{
+ int err = __mark_initmem_nx();
+
+ if (err)
+ panic("%s() failed, err = %d\n", __func__, err);
}
#ifdef CONFIG_STRICT_KERNEL_RWX
-void mark_rodata_ro(void)
+static int __mark_rodata_ro(void)
{
unsigned long numpages;
if (IS_ENABLED(CONFIG_STRICT_MODULE_RWX) && mmu_has_feature(MMU_FTR_HPTE_TABLE))
pr_warn("This platform has HASH MMU, STRICT_MODULE_RWX won't work\n");
- if (v_block_mapped((unsigned long)_stext + 1)) {
- mmu_mark_rodata_ro();
- return;
- }
+ if (v_block_mapped((unsigned long)_stext + 1))
+ return mmu_mark_rodata_ro();
/*
* mark text and rodata as read only. __end_rodata is set by
@@ -164,6 +174,14 @@ void mark_rodata_ro(void)
numpages = PFN_UP((unsigned long)__end_rodata) -
PFN_DOWN((unsigned long)_stext);
- set_memory_ro((unsigned long)_stext, numpages);
+ return set_memory_ro((unsigned long)_stext, numpages);
+}
+
+void mark_rodata_ro(void)
+{
+ int err = __mark_rodata_ro();
+
+ if (err)
+ panic("%s() failed, err = %d\n", __func__, err);
}
#endif
--
GitLab
From 56a34d799bfa53064e7b8bd354aacd176aeaecc8 Mon Sep 17 00:00:00 2001
From: Hari Bathini <hbathini@linux.ibm.com>
Date: Mon, 26 Feb 2024 16:00:08 +0530
Subject: [PATCH 1250/2686] kexec/kdump: make struct crash_mem available
without CONFIG_CRASH_DUMP
struct crash_mem defined under include/linux/crash_core.h represents
a list of memory ranges. While it is used to represent memory ranges
for kdump kernel, it can also be used for other kind of memory ranges.
In fact, KEXEC_FILE_LOAD syscall in powerpc uses this structure to
represent reserved memory ranges and exclude memory ranges needed to
find the right memory regions to load kexec kernel. So, make the
definition of crash_mem structure available for !CONFIG_CRASH_DUMP
case too.
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Acked-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240226103010.589537-2-hbathini@linux.ibm.com
---
include/linux/crash_core.h | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/include/linux/crash_core.h b/include/linux/crash_core.h
index 23270b16e1dbf..d33352c2e3865 100644
--- a/include/linux/crash_core.h
+++ b/include/linux/crash_core.h
@@ -8,6 +8,12 @@
struct kimage;
+struct crash_mem {
+ unsigned int max_nr_ranges;
+ unsigned int nr_ranges;
+ struct range ranges[] __counted_by(max_nr_ranges);
+};
+
#ifdef CONFIG_CRASH_DUMP
int crash_shrink_memory(unsigned long new_size);
@@ -51,12 +57,6 @@ static inline unsigned int crash_get_elfcorehdr_size(void) { return 0; }
/* Alignment required for elf header segment */
#define ELF_CORE_HEADER_ALIGN 4096
-struct crash_mem {
- unsigned int max_nr_ranges;
- unsigned int nr_ranges;
- struct range ranges[] __counted_by(max_nr_ranges);
-};
-
extern int crash_exclude_mem_range(struct crash_mem *mem,
unsigned long long mstart,
unsigned long long mend);
--
GitLab
From 33f2cc0a2e90f7177c49559b434191b02efd0cd5 Mon Sep 17 00:00:00 2001
From: Hari Bathini <hbathini@linux.ibm.com>
Date: Mon, 26 Feb 2024 16:00:09 +0530
Subject: [PATCH 1251/2686] powerpc/kexec: split CONFIG_KEXEC_FILE and
CONFIG_CRASH_DUMP
CONFIG_KEXEC_FILE does not have to select CONFIG_CRASH_DUMP. Move
some code under CONFIG_CRASH_DUMP to support CONFIG_KEXEC_FILE and
!CONFIG_CRASH_DUMP case.
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240226103010.589537-3-hbathini@linux.ibm.com
---
arch/powerpc/kexec/elf_64.c | 4 +-
arch/powerpc/kexec/file_load_64.c | 269 ++++++++++++++++--------------
2 files changed, 142 insertions(+), 131 deletions(-)
diff --git a/arch/powerpc/kexec/elf_64.c b/arch/powerpc/kexec/elf_64.c
index 904016cf89ea4..6d8951e8e9666 100644
--- a/arch/powerpc/kexec/elf_64.c
+++ b/arch/powerpc/kexec/elf_64.c
@@ -47,7 +47,7 @@ static void *elf64_load(struct kimage *image, char *kernel_buf,
if (ret)
return ERR_PTR(ret);
- if (image->type == KEXEC_TYPE_CRASH) {
+ if (IS_ENABLED(CONFIG_CRASH_DUMP) && image->type == KEXEC_TYPE_CRASH) {
/* min & max buffer values for kdump case */
kbuf.buf_min = pbuf.buf_min = crashk_res.start;
kbuf.buf_max = pbuf.buf_max =
@@ -70,7 +70,7 @@ static void *elf64_load(struct kimage *image, char *kernel_buf,
kexec_dprintk("Loaded purgatory at 0x%lx\n", pbuf.mem);
/* Load additional segments needed for panic kernel */
- if (image->type == KEXEC_TYPE_CRASH) {
+ if (IS_ENABLED(CONFIG_CRASH_DUMP) && image->type == KEXEC_TYPE_CRASH) {
ret = load_crashdump_segments_ppc64(image, &kbuf);
if (ret) {
pr_err("Failed to load kdump kernel segments\n");
diff --git a/arch/powerpc/kexec/file_load_64.c b/arch/powerpc/kexec/file_load_64.c
index 5b4c5cb233548..1bc65de6174f3 100644
--- a/arch/powerpc/kexec/file_load_64.c
+++ b/arch/powerpc/kexec/file_load_64.c
@@ -96,119 +96,6 @@ static int get_exclude_memory_ranges(struct crash_mem **mem_ranges)
return ret;
}
-/**
- * get_usable_memory_ranges - Get usable memory ranges. This list includes
- * regions like crashkernel, opal/rtas & tce-table,
- * that kdump kernel could use.
- * @mem_ranges: Range list to add the memory ranges to.
- *
- * Returns 0 on success, negative errno on error.
- */
-static int get_usable_memory_ranges(struct crash_mem **mem_ranges)
-{
- int ret;
-
- /*
- * Early boot failure observed on guests when low memory (first memory
- * block?) is not added to usable memory. So, add [0, crashk_res.end]
- * instead of [crashk_res.start, crashk_res.end] to workaround it.
- * Also, crashed kernel's memory must be added to reserve map to
- * avoid kdump kernel from using it.
- */
- ret = add_mem_range(mem_ranges, 0, crashk_res.end + 1);
- if (ret)
- goto out;
-
- ret = add_rtas_mem_range(mem_ranges);
- if (ret)
- goto out;
-
- ret = add_opal_mem_range(mem_ranges);
- if (ret)
- goto out;
-
- ret = add_tce_mem_ranges(mem_ranges);
-out:
- if (ret)
- pr_err("Failed to setup usable memory ranges\n");
- return ret;
-}
-
-/**
- * get_crash_memory_ranges - Get crash memory ranges. This list includes
- * first/crashing kernel's memory regions that
- * would be exported via an elfcore.
- * @mem_ranges: Range list to add the memory ranges to.
- *
- * Returns 0 on success, negative errno on error.
- */
-static int get_crash_memory_ranges(struct crash_mem **mem_ranges)
-{
- phys_addr_t base, end;
- struct crash_mem *tmem;
- u64 i;
- int ret;
-
- for_each_mem_range(i, &base, &end) {
- u64 size = end - base;
-
- /* Skip backup memory region, which needs a separate entry */
- if (base == BACKUP_SRC_START) {
- if (size > BACKUP_SRC_SIZE) {
- base = BACKUP_SRC_END + 1;
- size -= BACKUP_SRC_SIZE;
- } else
- continue;
- }
-
- ret = add_mem_range(mem_ranges, base, size);
- if (ret)
- goto out;
-
- /* Try merging adjacent ranges before reallocation attempt */
- if ((*mem_ranges)->nr_ranges == (*mem_ranges)->max_nr_ranges)
- sort_memory_ranges(*mem_ranges, true);
- }
-
- /* Reallocate memory ranges if there is no space to split ranges */
- tmem = *mem_ranges;
- if (tmem && (tmem->nr_ranges == tmem->max_nr_ranges)) {
- tmem = realloc_mem_ranges(mem_ranges);
- if (!tmem)
- goto out;
- }
-
- /* Exclude crashkernel region */
- ret = crash_exclude_mem_range(tmem, crashk_res.start, crashk_res.end);
- if (ret)
- goto out;
-
- /*
- * FIXME: For now, stay in parity with kexec-tools but if RTAS/OPAL
- * regions are exported to save their context at the time of
- * crash, they should actually be backed up just like the
- * first 64K bytes of memory.
- */
- ret = add_rtas_mem_range(mem_ranges);
- if (ret)
- goto out;
-
- ret = add_opal_mem_range(mem_ranges);
- if (ret)
- goto out;
-
- /* create a separate program header for the backup region */
- ret = add_mem_range(mem_ranges, BACKUP_SRC_START, BACKUP_SRC_SIZE);
- if (ret)
- goto out;
-
- sort_memory_ranges(*mem_ranges, false);
-out:
- if (ret)
- pr_err("Failed to setup crash memory ranges\n");
- return ret;
-}
-
/**
* get_reserved_memory_ranges - Get reserve memory ranges. This list includes
* memory regions that should be added to the
@@ -434,6 +321,120 @@ static int locate_mem_hole_bottom_up_ppc64(struct kexec_buf *kbuf,
return ret;
}
+#ifdef CONFIG_CRASH_DUMP
+/**
+ * get_usable_memory_ranges - Get usable memory ranges. This list includes
+ * regions like crashkernel, opal/rtas & tce-table,
+ * that kdump kernel could use.
+ * @mem_ranges: Range list to add the memory ranges to.
+ *
+ * Returns 0 on success, negative errno on error.
+ */
+static int get_usable_memory_ranges(struct crash_mem **mem_ranges)
+{
+ int ret;
+
+ /*
+ * Early boot failure observed on guests when low memory (first memory
+ * block?) is not added to usable memory. So, add [0, crashk_res.end]
+ * instead of [crashk_res.start, crashk_res.end] to workaround it.
+ * Also, crashed kernel's memory must be added to reserve map to
+ * avoid kdump kernel from using it.
+ */
+ ret = add_mem_range(mem_ranges, 0, crashk_res.end + 1);
+ if (ret)
+ goto out;
+
+ ret = add_rtas_mem_range(mem_ranges);
+ if (ret)
+ goto out;
+
+ ret = add_opal_mem_range(mem_ranges);
+ if (ret)
+ goto out;
+
+ ret = add_tce_mem_ranges(mem_ranges);
+out:
+ if (ret)
+ pr_err("Failed to setup usable memory ranges\n");
+ return ret;
+}
+
+/**
+ * get_crash_memory_ranges - Get crash memory ranges. This list includes
+ * first/crashing kernel's memory regions that
+ * would be exported via an elfcore.
+ * @mem_ranges: Range list to add the memory ranges to.
+ *
+ * Returns 0 on success, negative errno on error.
+ */
+static int get_crash_memory_ranges(struct crash_mem **mem_ranges)
+{
+ phys_addr_t base, end;
+ struct crash_mem *tmem;
+ u64 i;
+ int ret;
+
+ for_each_mem_range(i, &base, &end) {
+ u64 size = end - base;
+
+ /* Skip backup memory region, which needs a separate entry */
+ if (base == BACKUP_SRC_START) {
+ if (size > BACKUP_SRC_SIZE) {
+ base = BACKUP_SRC_END + 1;
+ size -= BACKUP_SRC_SIZE;
+ } else
+ continue;
+ }
+
+ ret = add_mem_range(mem_ranges, base, size);
+ if (ret)
+ goto out;
+
+ /* Try merging adjacent ranges before reallocation attempt */
+ if ((*mem_ranges)->nr_ranges == (*mem_ranges)->max_nr_ranges)
+ sort_memory_ranges(*mem_ranges, true);
+ }
+
+ /* Reallocate memory ranges if there is no space to split ranges */
+ tmem = *mem_ranges;
+ if (tmem && (tmem->nr_ranges == tmem->max_nr_ranges)) {
+ tmem = realloc_mem_ranges(mem_ranges);
+ if (!tmem)
+ goto out;
+ }
+
+ /* Exclude crashkernel region */
+ ret = crash_exclude_mem_range(tmem, crashk_res.start, crashk_res.end);
+ if (ret)
+ goto out;
+
+ /*
+ * FIXME: For now, stay in parity with kexec-tools but if RTAS/OPAL
+ * regions are exported to save their context at the time of
+ * crash, they should actually be backed up just like the
+ * first 64K bytes of memory.
+ */
+ ret = add_rtas_mem_range(mem_ranges);
+ if (ret)
+ goto out;
+
+ ret = add_opal_mem_range(mem_ranges);
+ if (ret)
+ goto out;
+
+ /* create a separate program header for the backup region */
+ ret = add_mem_range(mem_ranges, BACKUP_SRC_START, BACKUP_SRC_SIZE);
+ if (ret)
+ goto out;
+
+ sort_memory_ranges(*mem_ranges, false);
+out:
+ if (ret)
+ pr_err("Failed to setup crash memory ranges\n");
+ return ret;
+}
+
/**
* check_realloc_usable_mem - Reallocate buffer if it can't accommodate entries
* @um_info: Usable memory buffer and ranges info.
@@ -863,6 +864,7 @@ int load_crashdump_segments_ppc64(struct kimage *image,
return 0;
}
+#endif
/**
* setup_purgatory_ppc64 - initialize PPC64 specific purgatory's global
@@ -972,26 +974,14 @@ static unsigned int cpu_node_size(void)
return size;
}
-/**
- * kexec_extra_fdt_size_ppc64 - Return the estimated additional size needed to
- * setup FDT for kexec/kdump kernel.
- * @image: kexec image being loaded.
- *
- * Returns the estimated extra size needed for kexec/kdump kernel FDT.
- */
-unsigned int kexec_extra_fdt_size_ppc64(struct kimage *image)
+static unsigned int kdump_extra_fdt_size_ppc64(struct kimage *image)
{
unsigned int cpu_nodes, extra_size = 0;
struct device_node *dn;
u64 usm_entries;
- // Budget some space for the password blob. There's already extra space
- // for the key name
- if (plpks_is_available())
- extra_size += (unsigned int)plpks_get_passwordlen();
-
- if (image->type != KEXEC_TYPE_CRASH)
- return extra_size;
+ if (!IS_ENABLED(CONFIG_CRASH_DUMP) || image->type != KEXEC_TYPE_CRASH)
+ return 0;
/*
* For kdump kernel, account for linux,usable-memory and
@@ -1019,6 +1009,25 @@ unsigned int kexec_extra_fdt_size_ppc64(struct kimage *image)
return extra_size;
}
+/**
+ * kexec_extra_fdt_size_ppc64 - Return the estimated additional size needed to
+ * setup FDT for kexec/kdump kernel.
+ * @image: kexec image being loaded.
+ *
+ * Returns the estimated extra size needed for kexec/kdump kernel FDT.
+ */
+unsigned int kexec_extra_fdt_size_ppc64(struct kimage *image)
+{
+ unsigned int extra_size = 0;
+
+ // Budget some space for the password blob. There's already extra space
+ // for the key name
+ if (plpks_is_available())
+ extra_size += (unsigned int)plpks_get_passwordlen();
+
+ return extra_size + kdump_extra_fdt_size_ppc64(image);
+}
+
/**
* add_node_props - Reads node properties from device node structure and add
* them to fdt.
@@ -1171,6 +1180,7 @@ int setup_new_fdt_ppc64(const struct kimage *image, void *fdt,
struct crash_mem *umem = NULL, *rmem = NULL;
int i, nr_ranges, ret;
+#ifdef CONFIG_CRASH_DUMP
/*
* Restrict memory usage for kdump kernel by setting up
* usable memory ranges and memory reserve map.
@@ -1207,6 +1217,7 @@ int setup_new_fdt_ppc64(const struct kimage *image, void *fdt,
goto out;
}
}
+#endif
/* Update cpus nodes information to account hotplug CPUs. */
ret = update_cpus_node(fdt);
@@ -1278,7 +1289,7 @@ int arch_kexec_locate_mem_hole(struct kexec_buf *kbuf)
buf_min = kbuf->buf_min;
buf_max = kbuf->buf_max;
/* Segments for kdump kernel should be within crashkernel region */
- if (kbuf->image->type == KEXEC_TYPE_CRASH) {
+ if (IS_ENABLED(CONFIG_CRASH_DUMP) && kbuf->image->type == KEXEC_TYPE_CRASH) {
buf_min = (buf_min < crashk_res.start ?
crashk_res.start : buf_min);
buf_max = (buf_max > crashk_res.end ?
--
GitLab
From 5c4233cc0920cc90787aafe950b90f6c57a35b88 Mon Sep 17 00:00:00 2001
From: Hari Bathini <hbathini@linux.ibm.com>
Date: Mon, 26 Feb 2024 16:00:10 +0530
Subject: [PATCH 1252/2686] powerpc/kdump: Split KEXEC_CORE and CRASH_DUMP
dependency
Remove CONFIG_CRASH_DUMP dependency on CONFIG_KEXEC. CONFIG_KEXEC_CORE
was used at places where CONFIG_CRASH_DUMP or CONFIG_CRASH_RESERVE was
appropriate. Replace with appropriate #ifdefs to support CONFIG_KEXEC
and !CONFIG_CRASH_DUMP configuration option. Also, make CONFIG_FA_DUMP
dependent on CONFIG_CRASH_DUMP to avoid unmet dependencies for FA_DUMP
with !CONFIG_KEXEC_CORE configuration option.
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240226103010.589537-4-hbathini@linux.ibm.com
---
arch/powerpc/Kconfig | 9 +--
arch/powerpc/include/asm/kexec.h | 98 ++++++++++++++--------------
arch/powerpc/kernel/prom.c | 2 +-
arch/powerpc/kernel/setup-common.c | 2 +-
arch/powerpc/kernel/smp.c | 4 +-
arch/powerpc/kexec/Makefile | 3 +-
arch/powerpc/kexec/core.c | 4 ++
arch/powerpc/platforms/powernv/smp.c | 2 +-
8 files changed, 61 insertions(+), 63 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index a68b9e637eda0..1c4be33736860 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -607,11 +607,6 @@ config PPC64_SUPPORTS_MEMORY_FAILURE
config ARCH_SUPPORTS_KEXEC
def_bool PPC_BOOK3S || PPC_E500 || (44x && !SMP)
-config ARCH_SELECTS_KEXEC
- def_bool y
- depends on KEXEC
- select CRASH_DUMP
-
config ARCH_SUPPORTS_KEXEC_FILE
def_bool PPC64
@@ -622,7 +617,6 @@ config ARCH_SELECTS_KEXEC_FILE
def_bool y
depends on KEXEC_FILE
select KEXEC_ELF
- select CRASH_DUMP
select HAVE_IMA_KEXEC if IMA
config PPC64_BIG_ENDIAN_ELF_ABI_V2
@@ -694,8 +688,7 @@ config ARCH_SELECTS_CRASH_DUMP
config FA_DUMP
bool "Firmware-assisted dump"
- depends on PPC64 && (PPC_RTAS || PPC_POWERNV)
- select CRASH_DUMP
+ depends on CRASH_DUMP && PPC64 && (PPC_RTAS || PPC_POWERNV)
help
A robust mechanism to get reliable kernel crash dump with
assistance from firmware. This approach does not use kexec,
diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h
index e1b43aa121753..fdb90e24dc74d 100644
--- a/arch/powerpc/include/asm/kexec.h
+++ b/arch/powerpc/include/asm/kexec.h
@@ -55,59 +55,18 @@
typedef void (*crash_shutdown_t)(void);
#ifdef CONFIG_KEXEC_CORE
-
-/*
- * This function is responsible for capturing register states if coming
- * via panic or invoking dump using sysrq-trigger.
- */
-static inline void crash_setup_regs(struct pt_regs *newregs,
- struct pt_regs *oldregs)
-{
- if (oldregs)
- memcpy(newregs, oldregs, sizeof(*newregs));
- else
- ppc_save_regs(newregs);
-}
+struct kimage;
+struct pt_regs;
extern void kexec_smp_wait(void); /* get and clear naca physid, wait for
master to copy new code to 0 */
-extern int crashing_cpu;
-extern void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *));
-extern void crash_ipi_callback(struct pt_regs *);
-extern int crash_wake_offline;
-
-struct kimage;
-struct pt_regs;
extern void default_machine_kexec(struct kimage *image);
-extern void default_machine_crash_shutdown(struct pt_regs *regs);
-extern int crash_shutdown_register(crash_shutdown_t handler);
-extern int crash_shutdown_unregister(crash_shutdown_t handler);
-
-extern void crash_kexec_prepare(void);
-extern void crash_kexec_secondary(struct pt_regs *regs);
-int __init overlaps_crashkernel(unsigned long start, unsigned long size);
-extern void reserve_crashkernel(void);
extern void machine_kexec_mask_interrupts(void);
-static inline bool kdump_in_progress(void)
-{
- return crashing_cpu >= 0;
-}
-
void relocate_new_kernel(unsigned long indirection_page, unsigned long reboot_code_buffer,
unsigned long start_address) __noreturn;
-
void kexec_copy_flush(struct kimage *image);
-#if defined(CONFIG_CRASH_DUMP)
-bool is_kdump_kernel(void);
-#define is_kdump_kernel is_kdump_kernel
-#if defined(CONFIG_PPC_RTAS)
-void crash_free_reserved_phys_range(unsigned long begin, unsigned long end);
-#define crash_free_reserved_phys_range crash_free_reserved_phys_range
-#endif /* CONFIG_PPC_RTAS */
-#endif /* CONFIG_CRASH_DUMP */
-
#ifdef CONFIG_KEXEC_FILE
extern const struct kexec_file_ops kexec_elf64_ops;
@@ -152,15 +111,56 @@ int setup_new_fdt_ppc64(const struct kimage *image, void *fdt,
#endif /* CONFIG_KEXEC_FILE */
-#else /* !CONFIG_KEXEC_CORE */
-static inline void crash_kexec_secondary(struct pt_regs *regs) { }
+#endif /* CONFIG_KEXEC_CORE */
+
+#ifdef CONFIG_CRASH_RESERVE
+int __init overlaps_crashkernel(unsigned long start, unsigned long size);
+extern void reserve_crashkernel(void);
+#else
+static inline void reserve_crashkernel(void) {}
+static inline int overlaps_crashkernel(unsigned long start, unsigned long size) { return 0; }
+#endif
-static inline int overlaps_crashkernel(unsigned long start, unsigned long size)
+#if defined(CONFIG_CRASH_DUMP)
+/*
+ * This function is responsible for capturing register states if coming
+ * via panic or invoking dump using sysrq-trigger.
+ */
+static inline void crash_setup_regs(struct pt_regs *newregs,
+ struct pt_regs *oldregs)
{
- return 0;
+ if (oldregs)
+ memcpy(newregs, oldregs, sizeof(*newregs));
+ else
+ ppc_save_regs(newregs);
+}
+
+extern int crashing_cpu;
+extern void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *));
+extern void crash_ipi_callback(struct pt_regs *regs);
+extern int crash_wake_offline;
+
+extern int crash_shutdown_register(crash_shutdown_t handler);
+extern int crash_shutdown_unregister(crash_shutdown_t handler);
+extern void default_machine_crash_shutdown(struct pt_regs *regs);
+
+extern void crash_kexec_prepare(void);
+extern void crash_kexec_secondary(struct pt_regs *regs);
+
+static inline bool kdump_in_progress(void)
+{
+ return crashing_cpu >= 0;
}
-static inline void reserve_crashkernel(void) { ; }
+bool is_kdump_kernel(void);
+#define is_kdump_kernel is_kdump_kernel
+#if defined(CONFIG_PPC_RTAS)
+void crash_free_reserved_phys_range(unsigned long begin, unsigned long end);
+#define crash_free_reserved_phys_range crash_free_reserved_phys_range
+#endif /* CONFIG_PPC_RTAS */
+
+#else /* !CONFIG_CRASH_DUMP */
+static inline void crash_kexec_secondary(struct pt_regs *regs) { }
static inline int crash_shutdown_register(crash_shutdown_t handler)
{
@@ -183,7 +183,7 @@ static inline void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *))
{
}
-#endif /* CONFIG_KEXEC_CORE */
+#endif /* CONFIG_CRASH_DUMP */
#ifdef CONFIG_PPC_BOOK3S_64
#include <asm/book3s/64/kexec.h>
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 1dc32a0581561..cd8d8883de904 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -475,7 +475,7 @@ static int __init early_init_dt_scan_chosen_ppc(unsigned long node,
tce_alloc_end = *lprop;
#endif
-#ifdef CONFIG_KEXEC_CORE
+#ifdef CONFIG_CRASH_RESERVE
lprop = of_get_flat_dt_prop(node, "linux,crashkernel-base", NULL);
if (lprop)
crashk_res.start = *lprop;
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 2add292da4943..01ed1263e1a98 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -110,7 +110,7 @@ int ppc_do_canonicalize_irqs;
EXPORT_SYMBOL(ppc_do_canonicalize_irqs);
#endif
-#ifdef CONFIG_VMCORE_INFO
+#ifdef CONFIG_CRASH_DUMP
/* This keeps a track of which one is the crashing cpu. */
int crashing_cpu = -1;
#endif
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index a60e4139214be..12e53b3d79237 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -588,7 +588,7 @@ void smp_send_debugger_break(void)
}
#endif
-#ifdef CONFIG_KEXEC_CORE
+#ifdef CONFIG_CRASH_DUMP
void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *))
{
int cpu;
@@ -631,7 +631,7 @@ void crash_smp_send_stop(void)
stopped = true;
-#ifdef CONFIG_KEXEC_CORE
+#ifdef CONFIG_CRASH_DUMP
if (kexec_crash_image) {
crash_kexec_prepare();
return;
diff --git a/arch/powerpc/kexec/Makefile b/arch/powerpc/kexec/Makefile
index 91e96f5168b75..8e469c4da3f88 100644
--- a/arch/powerpc/kexec/Makefile
+++ b/arch/powerpc/kexec/Makefile
@@ -3,12 +3,13 @@
# Makefile for the linux kernel.
#
-obj-y += core.o crash.o core_$(BITS).o
+obj-y += core.o core_$(BITS).o
obj-$(CONFIG_PPC32) += relocate_32.o
obj-$(CONFIG_KEXEC_FILE) += file_load.o ranges.o file_load_$(BITS).o elf_$(BITS).o
obj-$(CONFIG_VMCORE_INFO) += vmcore_info.o
+obj-$(CONFIG_CRASH_DUMP) += crash.o
# Disable GCOV, KCOV & sanitizers in odd or sensitive code
GCOV_PROFILE_core_$(BITS).o := n
diff --git a/arch/powerpc/kexec/core.c b/arch/powerpc/kexec/core.c
index 3ff4411ed4967..b8333a49ea5da 100644
--- a/arch/powerpc/kexec/core.c
+++ b/arch/powerpc/kexec/core.c
@@ -44,10 +44,12 @@ void machine_kexec_mask_interrupts(void) {
}
}
+#ifdef CONFIG_CRASH_DUMP
void machine_crash_shutdown(struct pt_regs *regs)
{
default_machine_crash_shutdown(regs);
}
+#endif
void machine_kexec_cleanup(struct kimage *image)
{
@@ -77,6 +79,7 @@ void machine_kexec(struct kimage *image)
for(;;);
}
+#ifdef CONFIG_CRASH_RESERVE
void __init reserve_crashkernel(void)
{
unsigned long long crash_size, crash_base, total_mem_sz;
@@ -251,3 +254,4 @@ static int __init kexec_setup(void)
return 0;
}
late_initcall(kexec_setup);
+#endif /* CONFIG_CRASH_RESERVE */
diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c
index 9e1a25398f98c..8f14f0581a21b 100644
--- a/arch/powerpc/platforms/powernv/smp.c
+++ b/arch/powerpc/platforms/powernv/smp.c
@@ -434,7 +434,7 @@ void __init pnv_smp_init(void)
smp_ops = &pnv_smp_ops;
#ifdef CONFIG_HOTPLUG_CPU
-#ifdef CONFIG_KEXEC_CORE
+#ifdef CONFIG_CRASH_DUMP
crash_wake_offline = 1;
#endif
#endif
--
GitLab
From b967df6293510b6e1f53cba56e2475b2aa50be7e Mon Sep 17 00:00:00 2001
From: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Date: Tue, 12 Mar 2024 16:21:27 -0700
Subject: [PATCH 1253/2686] hyperv-tlfs: Rename some HV_REGISTER_* defines for
consistency
Rename HV_REGISTER_GUEST_OSID to HV_REGISTER_GUEST_OS_ID. This matches
the existing HV_X64_MSR_GUEST_OS_ID.
Rename HV_REGISTER_CRASH_* to HV_REGISTER_GUEST_CRASH_*. Including
GUEST_ is consistent with other #defines such as
HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE. The new names also match the TLFS
document more accurately, i.e. HvRegisterGuestCrash*.
Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Link: https://lore.kernel.org/r/1710285687-9160-1-git-send-email-nunodasneves@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1710285687-9160-1-git-send-email-nunodasneves@linux.microsoft.com>
---
arch/arm64/hyperv/hv_core.c | 14 +++++++-------
arch/arm64/hyperv/mshyperv.c | 2 +-
arch/arm64/include/asm/hyperv-tlfs.h | 12 ++++++------
arch/x86/kernel/cpu/mshyperv.c | 2 +-
include/asm-generic/hyperv-tlfs.h | 16 ++++++++--------
5 files changed, 23 insertions(+), 23 deletions(-)
diff --git a/arch/arm64/hyperv/hv_core.c b/arch/arm64/hyperv/hv_core.c
index b54c347937012..f1ebc025e1df7 100644
--- a/arch/arm64/hyperv/hv_core.c
+++ b/arch/arm64/hyperv/hv_core.c
@@ -160,22 +160,22 @@ void hyperv_report_panic(struct pt_regs *regs, long err, bool in_die)
return;
panic_reported = true;
- guest_id = hv_get_vpreg(HV_REGISTER_GUEST_OSID);
+ guest_id = hv_get_vpreg(HV_REGISTER_GUEST_OS_ID);
/*
* Hyper-V provides the ability to store only 5 values.
* Pick the passed in error value, the guest_id, the PC,
* and the SP.
*/
- hv_set_vpreg(HV_REGISTER_CRASH_P0, err);
- hv_set_vpreg(HV_REGISTER_CRASH_P1, guest_id);
- hv_set_vpreg(HV_REGISTER_CRASH_P2, regs->pc);
- hv_set_vpreg(HV_REGISTER_CRASH_P3, regs->sp);
- hv_set_vpreg(HV_REGISTER_CRASH_P4, 0);
+ hv_set_vpreg(HV_REGISTER_GUEST_CRASH_P0, err);
+ hv_set_vpreg(HV_REGISTER_GUEST_CRASH_P1, guest_id);
+ hv_set_vpreg(HV_REGISTER_GUEST_CRASH_P2, regs->pc);
+ hv_set_vpreg(HV_REGISTER_GUEST_CRASH_P3, regs->sp);
+ hv_set_vpreg(HV_REGISTER_GUEST_CRASH_P4, 0);
/*
* Let Hyper-V know there is crash data available
*/
- hv_set_vpreg(HV_REGISTER_CRASH_CTL, HV_CRASH_CTL_CRASH_NOTIFY);
+ hv_set_vpreg(HV_REGISTER_GUEST_CRASH_CTL, HV_CRASH_CTL_CRASH_NOTIFY);
}
EXPORT_SYMBOL_GPL(hyperv_report_panic);
diff --git a/arch/arm64/hyperv/mshyperv.c b/arch/arm64/hyperv/mshyperv.c
index 99362716ac872..03ac88bb9d10e 100644
--- a/arch/arm64/hyperv/mshyperv.c
+++ b/arch/arm64/hyperv/mshyperv.c
@@ -46,7 +46,7 @@ static int __init hyperv_init(void)
/* Setup the guest ID */
guest_id = hv_generate_guest_id(LINUX_VERSION_CODE);
- hv_set_vpreg(HV_REGISTER_GUEST_OSID, guest_id);
+ hv_set_vpreg(HV_REGISTER_GUEST_OS_ID, guest_id);
/* Get the features and hints from Hyper-V */
hv_get_vpreg_128(HV_REGISTER_FEATURES, &result);
diff --git a/arch/arm64/include/asm/hyperv-tlfs.h b/arch/arm64/include/asm/hyperv-tlfs.h
index 54846d1d29c36..bc30aadedfe9d 100644
--- a/arch/arm64/include/asm/hyperv-tlfs.h
+++ b/arch/arm64/include/asm/hyperv-tlfs.h
@@ -37,12 +37,12 @@
* - On x86, HV_MSR_ indicates an MSR accessed via rdmsrl/wrmsrl
* - On ARM, HV_MSR_ indicates a VP register accessed via hypercall
*/
-#define HV_MSR_CRASH_P0 (HV_REGISTER_CRASH_P0)
-#define HV_MSR_CRASH_P1 (HV_REGISTER_CRASH_P1)
-#define HV_MSR_CRASH_P2 (HV_REGISTER_CRASH_P2)
-#define HV_MSR_CRASH_P3 (HV_REGISTER_CRASH_P3)
-#define HV_MSR_CRASH_P4 (HV_REGISTER_CRASH_P4)
-#define HV_MSR_CRASH_CTL (HV_REGISTER_CRASH_CTL)
+#define HV_MSR_CRASH_P0 (HV_REGISTER_GUEST_CRASH_P0)
+#define HV_MSR_CRASH_P1 (HV_REGISTER_GUEST_CRASH_P1)
+#define HV_MSR_CRASH_P2 (HV_REGISTER_GUEST_CRASH_P2)
+#define HV_MSR_CRASH_P3 (HV_REGISTER_GUEST_CRASH_P3)
+#define HV_MSR_CRASH_P4 (HV_REGISTER_GUEST_CRASH_P4)
+#define HV_MSR_CRASH_CTL (HV_REGISTER_GUEST_CRASH_CTL)
#define HV_MSR_VP_INDEX (HV_REGISTER_VP_INDEX)
#define HV_MSR_TIME_REF_COUNT (HV_REGISTER_TIME_REF_COUNT)
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 56e731d8f5134..909a6236a4c0d 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -450,7 +450,7 @@ static void __init ms_hyperv_init_platform(void)
/* To be supported: more work is required. */
ms_hyperv.features &= ~HV_MSR_REFERENCE_TSC_AVAILABLE;
- /* HV_REGISTER_CRASH_CTL is unsupported. */
+ /* HV_MSR_CRASH_CTL is unsupported. */
ms_hyperv.misc_features &= ~HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE;
/* Don't trust Hyper-V's TLB-flushing hypercalls. */
diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h
index 32514a870b983..87e3d49a4e29b 100644
--- a/include/asm-generic/hyperv-tlfs.h
+++ b/include/asm-generic/hyperv-tlfs.h
@@ -636,14 +636,14 @@ struct hv_retarget_device_interrupt {
/*
* Synthetic register definitions equivalent to MSRs on x86/x64
*/
-#define HV_REGISTER_CRASH_P0 0x00000210
-#define HV_REGISTER_CRASH_P1 0x00000211
-#define HV_REGISTER_CRASH_P2 0x00000212
-#define HV_REGISTER_CRASH_P3 0x00000213
-#define HV_REGISTER_CRASH_P4 0x00000214
-#define HV_REGISTER_CRASH_CTL 0x00000215
-
-#define HV_REGISTER_GUEST_OSID 0x00090002
+#define HV_REGISTER_GUEST_CRASH_P0 0x00000210
+#define HV_REGISTER_GUEST_CRASH_P1 0x00000211
+#define HV_REGISTER_GUEST_CRASH_P2 0x00000212
+#define HV_REGISTER_GUEST_CRASH_P3 0x00000213
+#define HV_REGISTER_GUEST_CRASH_P4 0x00000214
+#define HV_REGISTER_GUEST_CRASH_CTL 0x00000215
+
+#define HV_REGISTER_GUEST_OS_ID 0x00090002
#define HV_REGISTER_VP_INDEX 0x00090003
#define HV_REGISTER_TIME_REF_COUNT 0x00090004
#define HV_REGISTER_REFERENCE_TSC 0x00090017
--
GitLab
From e3f18b0dd1db242791afbc3bd173026163ce0ccc Mon Sep 17 00:00:00 2001
From: Luca Weiss <luca.weiss@fairphone.com>
Date: Thu, 11 Jan 2024 13:38:04 +0100
Subject: [PATCH 1254/2686] drm/bridge: Select DRM_KMS_HELPER for
DRM_PANEL_BRIDGE
Since the kconfig symbol of DRM_PANEL_BRIDGE is only adding
bridge/panel.o to drm_kms_helper object, we need to select
DRM_KMS_HELPER to make sure the file is actually getting built.
Otherwise with certain defconfigs e.g. devm_drm_of_get_bridge will not
be properly available:
aarch64-linux-gnu-ld: drivers/phy/qualcomm/phy-qcom-qmp-combo.o: in function `qmp_combo_bridge_attach':
drivers/phy/qualcomm/phy-qcom-qmp-combo.c:3204:(.text+0x8f4): undefined reference to `devm_drm_of_get_bridge'
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20240111-drm-panel-bridge-fixup-v1-1-e06292f6f500@fairphone.com
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240111-drm-panel-bridge-fixup-v1-1-e06292f6f500@fairphone.com
---
drivers/gpu/drm/bridge/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index efd996f6c1384..1d4f010af97bb 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -8,6 +8,7 @@ config DRM_BRIDGE
config DRM_PANEL_BRIDGE
def_bool y
depends on DRM_BRIDGE
+ select DRM_KMS_HELPER
select DRM_PANEL
help
DRM bridge wrapper of DRM panels
--
GitLab
From 946593d1555921720fa674432e998a1b5931ddac Mon Sep 17 00:00:00 2001
From: Li Zhijian <lizhijian@fujitsu.com>
Date: Mon, 18 Mar 2024 14:05:32 +0800
Subject: [PATCH 1255/2686] Revert "firewire: Kill unnecessary buf check in
device_attribute.show"
This reverts commit 4a2b06ca33763b363038d333274e212db6ff0de1.
The previous fix didn't consider callers from other than sysfs. Revert
it to fix the NULL dereference
kernel: ? sysfs_emit+0xb5/0xc0
kernel: show_immediate+0x13f/0x1d0 [firewire_core]
kernel: init_fw_attribute_group+0x81/0x150 [firewire_core]
kernel: create_units+0x119/0x160 [firewire_core]
kernel: fw_device_init+0x1a9/0x330 [firewire_core]
kernel: fw_device_workfn+0x12/0x20 [firewire_core]
kernel: process_one_work+0x16f/0x350
kernel: worker_thread+0x306/0x440
kernel: ? __pfx_worker_thread+0x10/0x10
kernel: kthread+0xf2/0x120
kernel: ? __pfx_kthread+0x10/0x10
kernel: ret_from_fork+0x47/0x70
kernel: ? __pfx_kthread+0x10/0x10
kernel: ret_from_fork_asm+0x1b/0x30
kernel: </TASK>
kernel: ---[ end trace 0000000000000000 ]---
kernel: ------------[ cut here ]------------
Fixes: 4a2b06ca3376 ("firewire: Kill unnecessary buf check in device_attribute.show")
Reported-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Link: https://lore.kernel.org/lkml/625470f3-b196-43f7-9844-fa1cb6da99f8@fujitsu.com/
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
---
drivers/firewire/core-device.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index c0976f6268d32..f208a02d0ebf7 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -322,7 +322,7 @@ static ssize_t show_immediate(struct device *dev,
if (value < 0)
return -ENOENT;
- return sysfs_emit(buf, "0x%06x\n", value);
+ return buf ? sysfs_emit(buf, "0x%06x\n", value) : 0;
}
#define IMMEDIATE_ATTR(name, key) \
@@ -334,6 +334,8 @@ static ssize_t show_text_leaf(struct device *dev,
struct config_rom_attribute *attr =
container_of(dattr, struct config_rom_attribute, attr);
const u32 *directories[] = {NULL, NULL};
+ size_t bufsize;
+ char dummy_buf[2];
int i, ret = -ENOENT;
down_read(&fw_device_rwsem);
@@ -355,9 +357,15 @@ static ssize_t show_text_leaf(struct device *dev,
}
}
+ if (buf) {
+ bufsize = PAGE_SIZE - 1;
+ } else {
+ buf = dummy_buf;
+ bufsize = 1;
+ }
+
for (i = 0; i < ARRAY_SIZE(directories) && !!directories[i]; ++i) {
- int result = fw_csr_string(directories[i], attr->key, buf,
- PAGE_SIZE - 1);
+ int result = fw_csr_string(directories[i], attr->key, buf, bufsize);
// Detected.
if (result >= 0) {
ret = result;
@@ -366,7 +374,7 @@ static ssize_t show_text_leaf(struct device *dev,
// in the root directory follows to the directory entry for vendor ID
// instead of the immediate value for vendor ID.
result = fw_csr_string(directories[i], CSR_DIRECTORY | attr->key, buf,
- PAGE_SIZE - 1);
+ bufsize);
if (result >= 0)
ret = result;
}
--
GitLab
From badc9e33c79541cd62fc8238c2eb564d41feac56 Mon Sep 17 00:00:00 2001
From: Herve Codina <herve.codina@bootlin.com>
Date: Thu, 14 Mar 2024 13:33:46 +0100
Subject: [PATCH 1256/2686] net: wan: fsl_qmc_hdlc: Fix module compilation
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The fsl_qmc_driver does not compile as module:
error: ‘qmc_hdlc_driver’ undeclared here (not in a function);
405 | MODULE_DEVICE_TABLE(of, qmc_hdlc_driver);
| ^~~~~~~~~~~~~~~
Fix the typo.
Fixes: b40f00ecd463 ("net: wan: Add support for QMC HDLC")
Reported-by: Michael Ellerman <mpe@ellerman.id.au>
Closes: https://lore.kernel.org/linux-kernel/87ttl93f7i.fsf@mail.lhotse/
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/wan/fsl_qmc_hdlc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wan/fsl_qmc_hdlc.c b/drivers/net/wan/fsl_qmc_hdlc.c
index 960371df470a0..f69b1f579a0ca 100644
--- a/drivers/net/wan/fsl_qmc_hdlc.c
+++ b/drivers/net/wan/fsl_qmc_hdlc.c
@@ -780,7 +780,7 @@ static const struct of_device_id qmc_hdlc_id_table[] = {
{ .compatible = "fsl,qmc-hdlc" },
{} /* sentinel */
};
-MODULE_DEVICE_TABLE(of, qmc_hdlc_driver);
+MODULE_DEVICE_TABLE(of, qmc_hdlc_id_table);
static struct platform_driver qmc_hdlc_driver = {
.driver = {
--
GitLab
From 6ebfad33161afacb3e1e59ed1c2feefef70f9f97 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Thu, 14 Mar 2024 14:18:16 +0000
Subject: [PATCH 1257/2686] packet: annotate data-races around ignore_outgoing
ignore_outgoing is read locklessly from dev_queue_xmit_nit()
and packet_getsockopt()
Add appropriate READ_ONCE()/WRITE_ONCE() annotations.
syzbot reported:
BUG: KCSAN: data-race in dev_queue_xmit_nit / packet_setsockopt
write to 0xffff888107804542 of 1 bytes by task 22618 on cpu 0:
packet_setsockopt+0xd83/0xfd0 net/packet/af_packet.c:4003
do_sock_setsockopt net/socket.c:2311 [inline]
__sys_setsockopt+0x1d8/0x250 net/socket.c:2334
__do_sys_setsockopt net/socket.c:2343 [inline]
__se_sys_setsockopt net/socket.c:2340 [inline]
__x64_sys_setsockopt+0x66/0x80 net/socket.c:2340
do_syscall_64+0xd3/0x1d0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
read to 0xffff888107804542 of 1 bytes by task 27 on cpu 1:
dev_queue_xmit_nit+0x82/0x620 net/core/dev.c:2248
xmit_one net/core/dev.c:3527 [inline]
dev_hard_start_xmit+0xcc/0x3f0 net/core/dev.c:3547
__dev_queue_xmit+0xf24/0x1dd0 net/core/dev.c:4335
dev_queue_xmit include/linux/netdevice.h:3091 [inline]
batadv_send_skb_packet+0x264/0x300 net/batman-adv/send.c:108
batadv_send_broadcast_skb+0x24/0x30 net/batman-adv/send.c:127
batadv_iv_ogm_send_to_if net/batman-adv/bat_iv_ogm.c:392 [inline]
batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:420 [inline]
batadv_iv_send_outstanding_bat_ogm_packet+0x3f0/0x4b0 net/batman-adv/bat_iv_ogm.c:1700
process_one_work kernel/workqueue.c:3254 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335
worker_thread+0x526/0x730 kernel/workqueue.c:3416
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
value changed: 0x00 -> 0x01
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 27 Comm: kworker/u8:1 Tainted: G W 6.8.0-syzkaller-08073-g480e035fc4c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Fixes: fa788d986a3a ("packet: add sockopt to ignore outgoing packets")
Reported-by: syzbot+c669c1136495a2e7c31f@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/CANn89i+Z7MfbkBLOv=p7KZ7=K1rKHO4P1OL5LYDCtBiyqsa9oQ@mail.gmail.com/T/#t
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/core/dev.c | 2 +-
net/packet/af_packet.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/core/dev.c b/net/core/dev.c
index 0766a245816bd..722787c327552 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2245,7 +2245,7 @@ void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
rcu_read_lock();
again:
list_for_each_entry_rcu(ptype, ptype_list, list) {
- if (ptype->ignore_outgoing)
+ if (READ_ONCE(ptype->ignore_outgoing))
continue;
/* Never send packets back to the socket
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 61270826b9ac7..7cfc7d301508f 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -4000,7 +4000,7 @@ packet_setsockopt(struct socket *sock, int level, int optname, sockptr_t optval,
if (val < 0 || val > 1)
return -EINVAL;
- po->prot_hook.ignore_outgoing = !!val;
+ WRITE_ONCE(po->prot_hook.ignore_outgoing, !!val);
return 0;
}
case PACKET_TX_HAS_OFF:
@@ -4134,7 +4134,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname,
0);
break;
case PACKET_IGNORE_OUTGOING:
- val = po->prot_hook.ignore_outgoing;
+ val = READ_ONCE(po->prot_hook.ignore_outgoing);
break;
case PACKET_ROLLOVER_STATS:
if (!po->rollover)
--
GitLab
From c3198822c6cb9fb588e446540485669cc81c5d34 Mon Sep 17 00:00:00 2001
From: Dragos Tatulea <dtatulea@nvidia.com>
Date: Fri, 8 Mar 2024 17:26:00 +0200
Subject: [PATCH 1258/2686] net: esp: fix bad handling of pages from page_pool
When the skb is reorganized during esp_output (!esp->inline), the pages
coming from the original skb fragments are supposed to be released back
to the system through put_page. But if the skb fragment pages are
originating from a page_pool, calling put_page on them will trigger a
page_pool leak which will eventually result in a crash.
This leak can be easily observed when using CONFIG_DEBUG_VM and doing
ipsec + gre (non offloaded) forwarding:
BUG: Bad page state in process ksoftirqd/16 pfn:1451b6
page:00000000de2b8d32 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1451b6000 pfn:0x1451b6
flags: 0x200000000000000(node=0|zone=2)
page_type: 0xffffffff()
raw: 0200000000000000 dead000000000040 ffff88810d23c000 0000000000000000
raw: 00000001451b6000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
Modules linked in: ip_gre gre mlx5_ib mlx5_core xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink iptable_nat nf_nat xt_addrtype br_netfilter rpcrdma rdma_ucm ib_iser libiscsi scsi_transport_iscsi ib_umad rdma_cm ib_ipoib iw_cm ib_cm ib_uverbs ib_core overlay zram zsmalloc fuse [last unloaded: mlx5_core]
CPU: 16 PID: 96 Comm: ksoftirqd/16 Not tainted 6.8.0-rc4+ #22
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x36/0x50
bad_page+0x70/0xf0
free_unref_page_prepare+0x27a/0x460
free_unref_page+0x38/0x120
esp_ssg_unref.isra.0+0x15f/0x200
esp_output_tail+0x66d/0x780
esp_xmit+0x2c5/0x360
validate_xmit_xfrm+0x313/0x370
? validate_xmit_skb+0x1d/0x330
validate_xmit_skb_list+0x4c/0x70
sch_direct_xmit+0x23e/0x350
__dev_queue_xmit+0x337/0xba0
? nf_hook_slow+0x3f/0xd0
ip_finish_output2+0x25e/0x580
iptunnel_xmit+0x19b/0x240
ip_tunnel_xmit+0x5fb/0xb60
ipgre_xmit+0x14d/0x280 [ip_gre]
dev_hard_start_xmit+0xc3/0x1c0
__dev_queue_xmit+0x208/0xba0
? nf_hook_slow+0x3f/0xd0
ip_finish_output2+0x1ca/0x580
ip_sublist_rcv_finish+0x32/0x40
ip_sublist_rcv+0x1b2/0x1f0
? ip_rcv_finish_core.constprop.0+0x460/0x460
ip_list_rcv+0x103/0x130
__netif_receive_skb_list_core+0x181/0x1e0
netif_receive_skb_list_internal+0x1b3/0x2c0
napi_gro_receive+0xc8/0x200
gro_cell_poll+0x52/0x90
__napi_poll+0x25/0x1a0
net_rx_action+0x28e/0x300
__do_softirq+0xc3/0x276
? sort_range+0x20/0x20
run_ksoftirqd+0x1e/0x30
smpboot_thread_fn+0xa6/0x130
kthread+0xcd/0x100
? kthread_complete_and_exit+0x20/0x20
ret_from_fork+0x31/0x50
? kthread_complete_and_exit+0x20/0x20
ret_from_fork_asm+0x11/0x20
</TASK>
The suggested fix is to introduce a new wrapper (skb_page_unref) that
covers page refcounting for page_pool pages as well.
Cc: stable@vger.kernel.org
Fixes: 6a5bcd84e886 ("page_pool: Allow drivers to hint on SKB recycling")
Reported-and-tested-by: Anatoli N.Chechelnickiy <Anatoli.Chechelnickiy@m.interpipe.biz>
Reported-by: Ian Kumlien <ian.kumlien@gmail.com>
Link: https://lore.kernel.org/netdev/CAA85sZvvHtrpTQRqdaOx6gd55zPAVsqMYk_Lwh4Md5knTq7AyA@mail.gmail.com
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---
include/linux/skbuff.h | 10 ++++++++++
net/ipv4/esp4.c | 8 ++++----
net/ipv6/esp6.c | 8 ++++----
3 files changed, 18 insertions(+), 8 deletions(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 3023bc2be6a1c..b49a7d6591e8e 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3523,6 +3523,16 @@ int skb_cow_data_for_xdp(struct page_pool *pool, struct sk_buff **pskb,
struct bpf_prog *prog);
bool napi_pp_put_page(struct page *page, bool napi_safe);
+static inline void
+skb_page_unref(const struct sk_buff *skb, struct page *page, bool napi_safe)
+{
+#ifdef CONFIG_PAGE_POOL
+ if (skb->pp_recycle && napi_pp_put_page(page, napi_safe))
+ return;
+#endif
+ put_page(page);
+}
+
static inline void
napi_frag_unref(skb_frag_t *frag, bool recycle, bool napi_safe)
{
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 4dd9e50406720..d33d124218140 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -95,7 +95,7 @@ static inline struct scatterlist *esp_req_sg(struct crypto_aead *aead,
__alignof__(struct scatterlist));
}
-static void esp_ssg_unref(struct xfrm_state *x, void *tmp)
+static void esp_ssg_unref(struct xfrm_state *x, void *tmp, struct sk_buff *skb)
{
struct crypto_aead *aead = x->data;
int extralen = 0;
@@ -114,7 +114,7 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp)
*/
if (req->src != req->dst)
for (sg = sg_next(req->src); sg; sg = sg_next(sg))
- put_page(sg_page(sg));
+ skb_page_unref(skb, sg_page(sg), false);
}
#ifdef CONFIG_INET_ESPINTCP
@@ -260,7 +260,7 @@ static void esp_output_done(void *data, int err)
}
tmp = ESP_SKB_CB(skb)->tmp;
- esp_ssg_unref(x, tmp);
+ esp_ssg_unref(x, tmp, skb);
kfree(tmp);
if (xo && (xo->flags & XFRM_DEV_RESUME)) {
@@ -639,7 +639,7 @@ int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
}
if (sg != dsg)
- esp_ssg_unref(x, tmp);
+ esp_ssg_unref(x, tmp, skb);
if (!err && x->encap && x->encap->encap_type == TCP_ENCAP_ESPINTCP)
err = esp_output_tail_tcp(x, skb);
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 6e6efe026cdcc..7371886d4f9f4 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -112,7 +112,7 @@ static inline struct scatterlist *esp_req_sg(struct crypto_aead *aead,
__alignof__(struct scatterlist));
}
-static void esp_ssg_unref(struct xfrm_state *x, void *tmp)
+static void esp_ssg_unref(struct xfrm_state *x, void *tmp, struct sk_buff *skb)
{
struct crypto_aead *aead = x->data;
int extralen = 0;
@@ -131,7 +131,7 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp)
*/
if (req->src != req->dst)
for (sg = sg_next(req->src); sg; sg = sg_next(sg))
- put_page(sg_page(sg));
+ skb_page_unref(skb, sg_page(sg), false);
}
#ifdef CONFIG_INET6_ESPINTCP
@@ -294,7 +294,7 @@ static void esp_output_done(void *data, int err)
}
tmp = ESP_SKB_CB(skb)->tmp;
- esp_ssg_unref(x, tmp);
+ esp_ssg_unref(x, tmp, skb);
kfree(tmp);
esp_output_encap_csum(skb);
@@ -677,7 +677,7 @@ int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
}
if (sg != dsg)
- esp_ssg_unref(x, tmp);
+ esp_ssg_unref(x, tmp, skb);
if (!err && x->encap && x->encap->encap_type == TCP_ENCAP_ESPINTCP)
err = esp_output_tail_tcp(x, skb);
--
GitLab
From 773bb766ca4a05bf363203030b72b10088869224 Mon Sep 17 00:00:00 2001
From: Leon Romanovsky <leonro@nvidia.com>
Date: Tue, 12 Mar 2024 13:55:22 +0200
Subject: [PATCH 1259/2686] xfrm: Allow UDP encapsulation only in offload modes
The missing check of x->encap caused to the situation where GSO packets
were created with UDP encapsulation.
As a solution return the encap check for non-offloaded SA.
Fixes: 983a73da1f99 ("xfrm: Pass UDP encapsulation in TX packet offload")
Closes: https://lore.kernel.org/all/a650221ae500f0c7cf496c61c96c1b103dcb6f67.camel@redhat.com
Reported-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---
net/xfrm/xfrm_device.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 653e51ae39648..6346690d5c699 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -407,7 +407,8 @@ bool xfrm_dev_offload_ok(struct sk_buff *skb, struct xfrm_state *x)
struct xfrm_dst *xdst = (struct xfrm_dst *)dst;
struct net_device *dev = x->xso.dev;
- if (!x->type_offload)
+ if (!x->type_offload ||
+ (x->xso.type == XFRM_DEV_OFFLOAD_UNSPECIFIED && x->encap))
return false;
if (x->xso.type == XFRM_DEV_OFFLOAD_PACKET ||
--
GitLab
From 9eec61df55c51415409c7cc47e9a1c8de94a0522 Mon Sep 17 00:00:00 2001
From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Tue, 5 Mar 2024 18:39:18 +0000
Subject: [PATCH 1260/2686] irqchip/renesas-rzg2l: Flush posted write in
irq_eoi()
The irq_eoi() callback of the RZ/G2L interrupt chip clears the relevant
interrupt cause bit in the TSCR register by writing to it.
This write is not sufficient because the write is posted and therefore not
guaranteed to immediately clear the bit. Due to that delay the CPU can
raise the just handled interrupt again.
Prevent this by reading the register back which causes the posted write to
be flushed to the hardware before the read completes.
Fixes: 3fed09559cd8 ("irqchip: Add RZ/G2L IA55 Interrupt Controller driver")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
drivers/irqchip/irq-renesas-rzg2l.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/irqchip/irq-renesas-rzg2l.c b/drivers/irqchip/irq-renesas-rzg2l.c
index 9494fc26259c3..5285bc817dd0c 100644
--- a/drivers/irqchip/irq-renesas-rzg2l.c
+++ b/drivers/irqchip/irq-renesas-rzg2l.c
@@ -99,8 +99,14 @@ static void rzg2l_irq_eoi(struct irq_data *d)
* ISCR can only be cleared if the type is falling-edge, rising-edge or
* falling/rising-edge.
*/
- if ((iscr & bit) && (iitsr & IITSR_IITSEL_MASK(hw_irq)))
+ if ((iscr & bit) && (iitsr & IITSR_IITSEL_MASK(hw_irq))) {
writel_relaxed(iscr & ~bit, priv->base + ISCR);
+ /*
+ * Enforce that the posted write is flushed to prevent that the
+ * just handled interrupt is raised again.
+ */
+ readl_relaxed(priv->base + ISCR);
+ }
}
static void rzg2l_tint_eoi(struct irq_data *d)
@@ -111,8 +117,14 @@ static void rzg2l_tint_eoi(struct irq_data *d)
u32 reg;
reg = readl_relaxed(priv->base + TSCR);
- if (reg & bit)
+ if (reg & bit) {
writel_relaxed(reg & ~bit, priv->base + TSCR);
+ /*
+ * Enforce that the posted write is flushed to prevent that the
+ * just handled interrupt is raised again.
+ */
+ readl_relaxed(priv->base + TSCR);
+ }
}
static void rzg2l_irqc_eoi(struct irq_data *d)
--
GitLab
From 7cb6362c63df233172eaecddaf9ce2ce2f769112 Mon Sep 17 00:00:00 2001
From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Tue, 5 Mar 2024 18:39:19 +0000
Subject: [PATCH 1261/2686] irqchip/renesas-rzg2l: Rename rzg2l_tint_eoi()
Rename rzg2l_tint_eoi()->rzg2l_clear_tint_int() and simplify the code by
removing redundant priv and hw_irq local variables.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
drivers/irqchip/irq-renesas-rzg2l.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/irqchip/irq-renesas-rzg2l.c b/drivers/irqchip/irq-renesas-rzg2l.c
index 5285bc817dd0c..599e0aba5cc00 100644
--- a/drivers/irqchip/irq-renesas-rzg2l.c
+++ b/drivers/irqchip/irq-renesas-rzg2l.c
@@ -109,11 +109,9 @@ static void rzg2l_irq_eoi(struct irq_data *d)
}
}
-static void rzg2l_tint_eoi(struct irq_data *d)
+static void rzg2l_clear_tint_int(struct rzg2l_irqc_priv *priv, unsigned int hwirq)
{
- unsigned int hw_irq = irqd_to_hwirq(d) - IRQC_TINT_START;
- struct rzg2l_irqc_priv *priv = irq_data_to_priv(d);
- u32 bit = BIT(hw_irq);
+ u32 bit = BIT(hwirq - IRQC_TINT_START);
u32 reg;
reg = readl_relaxed(priv->base + TSCR);
@@ -136,7 +134,7 @@ static void rzg2l_irqc_eoi(struct irq_data *d)
if (hw_irq >= IRQC_IRQ_START && hw_irq <= IRQC_IRQ_COUNT)
rzg2l_irq_eoi(d);
else if (hw_irq >= IRQC_TINT_START && hw_irq < IRQC_NUM_IRQ)
- rzg2l_tint_eoi(d);
+ rzg2l_clear_tint_int(priv, hw_irq);
raw_spin_unlock(&priv->lock);
irq_chip_eoi_parent(d);
}
--
GitLab
From b4b5cd61a6fdd92ede0dc39f0850a182affd1323 Mon Sep 17 00:00:00 2001
From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Tue, 5 Mar 2024 18:39:20 +0000
Subject: [PATCH 1262/2686] irqchip/renesas-rzg2l: Rename rzg2l_irq_eoi()
Rename rzg2l_irq_eoi()->rzg2l_clear_irq_int() and simplify the code by
removing redundant priv local variable.
Suggested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
drivers/irqchip/irq-renesas-rzg2l.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/irqchip/irq-renesas-rzg2l.c b/drivers/irqchip/irq-renesas-rzg2l.c
index 599e0aba5cc00..8133f05590b67 100644
--- a/drivers/irqchip/irq-renesas-rzg2l.c
+++ b/drivers/irqchip/irq-renesas-rzg2l.c
@@ -85,10 +85,9 @@ static struct rzg2l_irqc_priv *irq_data_to_priv(struct irq_data *data)
return data->domain->host_data;
}
-static void rzg2l_irq_eoi(struct irq_data *d)
+static void rzg2l_clear_irq_int(struct rzg2l_irqc_priv *priv, unsigned int hwirq)
{
- unsigned int hw_irq = irqd_to_hwirq(d) - IRQC_IRQ_START;
- struct rzg2l_irqc_priv *priv = irq_data_to_priv(d);
+ unsigned int hw_irq = hwirq - IRQC_IRQ_START;
u32 bit = BIT(hw_irq);
u32 iitsr, iscr;
@@ -132,7 +131,7 @@ static void rzg2l_irqc_eoi(struct irq_data *d)
raw_spin_lock(&priv->lock);
if (hw_irq >= IRQC_IRQ_START && hw_irq <= IRQC_IRQ_COUNT)
- rzg2l_irq_eoi(d);
+ rzg2l_clear_irq_int(priv, hw_irq);
else if (hw_irq >= IRQC_TINT_START && hw_irq < IRQC_NUM_IRQ)
rzg2l_clear_tint_int(priv, hw_irq);
raw_spin_unlock(&priv->lock);
--
GitLab
From 853a6030303f8a8fa54929b68e5665d9b21aa405 Mon Sep 17 00:00:00 2001
From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Tue, 5 Mar 2024 18:39:21 +0000
Subject: [PATCH 1263/2686] irqchip/renesas-rzg2l: Prevent spurious interrupts
when setting trigger type
RZ/G2L interrupt chips require that the interrupt is masked before changing
the NMI, IRQ, TINT interrupt settings. Aside of that, after setting an edge
trigger type it is required to clear the interrupt status register in order
to avoid spurious interrupts.
The current implementation fails to do either of that and therefore is
prone to generate spurious interrupts when setting the trigger type.
Address this by:
- Ensuring that the interrupt is masked at the chip level across the
update for the TINT chip
- Clearing the interrupt status register after updating the trigger mode
for edge type interrupts
[ tglx: Massaged changelog and reverted the spin_lock_irqsave() change as
the set_type() callback is always called with interrupts disabled. ]
Fixes: 3fed09559cd8 ("irqchip: Add RZ/G2L IA55 Interrupt Controller driver")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
drivers/irqchip/irq-renesas-rzg2l.c | 36 +++++++++++++++++++++++++----
1 file changed, 32 insertions(+), 4 deletions(-)
diff --git a/drivers/irqchip/irq-renesas-rzg2l.c b/drivers/irqchip/irq-renesas-rzg2l.c
index 8133f05590b67..8803facbb3a2e 100644
--- a/drivers/irqchip/irq-renesas-rzg2l.c
+++ b/drivers/irqchip/irq-renesas-rzg2l.c
@@ -181,8 +181,10 @@ static void rzg2l_irqc_irq_enable(struct irq_data *d)
static int rzg2l_irq_set_type(struct irq_data *d, unsigned int type)
{
- unsigned int hw_irq = irqd_to_hwirq(d) - IRQC_IRQ_START;
struct rzg2l_irqc_priv *priv = irq_data_to_priv(d);
+ unsigned int hwirq = irqd_to_hwirq(d);
+ u32 iitseln = hwirq - IRQC_IRQ_START;
+ bool clear_irq_int = false;
u16 sense, tmp;
switch (type & IRQ_TYPE_SENSE_MASK) {
@@ -192,14 +194,17 @@ static int rzg2l_irq_set_type(struct irq_data *d, unsigned int type)
case IRQ_TYPE_EDGE_FALLING:
sense = IITSR_IITSEL_EDGE_FALLING;
+ clear_irq_int = true;
break;
case IRQ_TYPE_EDGE_RISING:
sense = IITSR_IITSEL_EDGE_RISING;
+ clear_irq_int = true;
break;
case IRQ_TYPE_EDGE_BOTH:
sense = IITSR_IITSEL_EDGE_BOTH;
+ clear_irq_int = true;
break;
default:
@@ -208,21 +213,40 @@ static int rzg2l_irq_set_type(struct irq_data *d, unsigned int type)
raw_spin_lock(&priv->lock);
tmp = readl_relaxed(priv->base + IITSR);
- tmp &= ~IITSR_IITSEL_MASK(hw_irq);
- tmp |= IITSR_IITSEL(hw_irq, sense);
+ tmp &= ~IITSR_IITSEL_MASK(iitseln);
+ tmp |= IITSR_IITSEL(iitseln, sense);
+ if (clear_irq_int)
+ rzg2l_clear_irq_int(priv, hwirq);
writel_relaxed(tmp, priv->base + IITSR);
raw_spin_unlock(&priv->lock);
return 0;
}
+static u32 rzg2l_disable_tint_and_set_tint_source(struct irq_data *d, struct rzg2l_irqc_priv *priv,
+ u32 reg, u32 tssr_offset, u8 tssr_index)
+{
+ u32 tint = (u32)(uintptr_t)irq_data_get_irq_chip_data(d);
+ u32 tien = reg & (TIEN << TSSEL_SHIFT(tssr_offset));
+
+ /* Clear the relevant byte in reg */
+ reg &= ~(TSSEL_MASK << TSSEL_SHIFT(tssr_offset));
+ /* Set TINT and leave TIEN clear */
+ reg |= tint << TSSEL_SHIFT(tssr_offset);
+ writel_relaxed(reg, priv->base + TSSR(tssr_index));
+
+ return reg | tien;
+}
+
static int rzg2l_tint_set_edge(struct irq_data *d, unsigned int type)
{
struct rzg2l_irqc_priv *priv = irq_data_to_priv(d);
unsigned int hwirq = irqd_to_hwirq(d);
u32 titseln = hwirq - IRQC_TINT_START;
+ u32 tssr_offset = TSSR_OFFSET(titseln);
+ u8 tssr_index = TSSR_INDEX(titseln);
u8 index, sense;
- u32 reg;
+ u32 reg, tssr;
switch (type & IRQ_TYPE_SENSE_MASK) {
case IRQ_TYPE_EDGE_RISING:
@@ -244,10 +268,14 @@ static int rzg2l_tint_set_edge(struct irq_data *d, unsigned int type)
}
raw_spin_lock(&priv->lock);
+ tssr = readl_relaxed(priv->base + TSSR(tssr_index));
+ tssr = rzg2l_disable_tint_and_set_tint_source(d, priv, tssr, tssr_offset, tssr_index);
reg = readl_relaxed(priv->base + TITSR(index));
reg &= ~(IRQ_MASK << (titseln * TITSEL_WIDTH));
reg |= sense << (titseln * TITSEL_WIDTH);
writel_relaxed(reg, priv->base + TITSR(index));
+ rzg2l_clear_tint_int(priv, hwirq);
+ writel_relaxed(tssr, priv->base + TSSR(tssr_index));
raw_spin_unlock(&priv->lock);
return 0;
--
GitLab
From d7db7775ea2e31502d46427f5efd385afc4ff1eb Mon Sep 17 00:00:00 2001
From: Ignat Korchagin <ignat@cloudflare.com>
Date: Wed, 13 Mar 2024 19:37:58 +0100
Subject: [PATCH 1264/2686] net: veth: do not manipulate GRO when using XDP
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Commit d3256efd8e8b ("veth: allow enabling NAPI even without XDP") tried to fix
the fact that GRO was not possible without XDP, because veth did not use NAPI
without XDP. However, it also introduced the behaviour that GRO is always
enabled, when XDP is enabled.
While it might be desired for most cases, it is confusing for the user at best
as the GRO flag suddenly changes, when an XDP program is attached. It also
introduces some complexities in state management as was partially addressed in
commit fe9f801355f0 ("net: veth: clear GRO when clearing XDP even when down").
But the biggest problem is that it is not possible to disable GRO at all, when
an XDP program is attached, which might be needed for some use cases.
Fix this by not touching the GRO flag on XDP enable/disable as the code already
supports switching to NAPI if either GRO or XDP is requested.
Link: https://lore.kernel.org/lkml/20240311124015.38106-1-ignat@cloudflare.com/
Fixes: d3256efd8e8b ("veth: allow enabling NAPI even without XDP")
Fixes: fe9f801355f0 ("net: veth: clear GRO when clearing XDP even when down")
Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/veth.c | 18 ------------------
1 file changed, 18 deletions(-)
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 13d902462d8ec..bcdfbf61eb66b 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -1464,8 +1464,6 @@ static netdev_features_t veth_fix_features(struct net_device *dev,
if (peer_priv->_xdp_prog)
features &= ~NETIF_F_GSO_SOFTWARE;
}
- if (priv->_xdp_prog)
- features |= NETIF_F_GRO;
return features;
}
@@ -1569,14 +1567,6 @@ static int veth_xdp_set(struct net_device *dev, struct bpf_prog *prog,
}
if (!old_prog) {
- if (!veth_gro_requested(dev)) {
- /* user-space did not require GRO, but adding
- * XDP is supposed to get GRO working
- */
- dev->features |= NETIF_F_GRO;
- netdev_features_change(dev);
- }
-
peer->hw_features &= ~NETIF_F_GSO_SOFTWARE;
peer->max_mtu = max_mtu;
}
@@ -1592,14 +1582,6 @@ static int veth_xdp_set(struct net_device *dev, struct bpf_prog *prog,
if (dev->flags & IFF_UP)
veth_disable_xdp(dev);
- /* if user-space did not require GRO, since adding XDP
- * enabled it, clear it now
- */
- if (!veth_gro_requested(dev)) {
- dev->features &= ~NETIF_F_GRO;
- netdev_features_change(dev);
- }
-
if (peer) {
peer->hw_features |= NETIF_F_GSO_SOFTWARE;
peer->max_mtu = ETH_MAX_MTU;
--
GitLab
From ba5a6476e3866c97e2c85f64b0c7dfb8fbdda18a Mon Sep 17 00:00:00 2001
From: Ignat Korchagin <ignat@cloudflare.com>
Date: Wed, 13 Mar 2024 19:37:59 +0100
Subject: [PATCH 1265/2686] selftests: net: veth: test the ability to
independently manipulate GRO and XDP
We should be able to independently flip either XDP or GRO states and toggling
one should not affect the other.
Adjust other tests as well that had implicit expectation that GRO would be
automatically enabled.
Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
tools/testing/selftests/net/udpgro_fwd.sh | 4 ++++
tools/testing/selftests/net/veth.sh | 24 ++++++++++++++++++++---
2 files changed, 25 insertions(+), 3 deletions(-)
diff --git a/tools/testing/selftests/net/udpgro_fwd.sh b/tools/testing/selftests/net/udpgro_fwd.sh
index 9cd5e885e91f7..380cb15e942e4 100755
--- a/tools/testing/selftests/net/udpgro_fwd.sh
+++ b/tools/testing/selftests/net/udpgro_fwd.sh
@@ -217,6 +217,7 @@ for family in 4 6; do
cleanup
create_ns
+ ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
ip netns exec $NS_DST ethtool -K veth$DST rx-gro-list on
run_test "GRO frag list" $BM_NET$DST 1 0
cleanup
@@ -227,6 +228,7 @@ for family in 4 6; do
# use NAT to circumvent GRO FWD check
create_ns
ip -n $NS_DST addr add dev veth$DST $BM_NET$DST_NAT/$SUFFIX
+ ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
ip netns exec $NS_DST ethtool -K veth$DST rx-udp-gro-forwarding on
ip netns exec $NS_DST $IPT -t nat -I PREROUTING -d $BM_NET$DST_NAT \
-j DNAT --to-destination $BM_NET$DST
@@ -240,6 +242,7 @@ for family in 4 6; do
cleanup
create_vxlan_pair
+ ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
ip netns exec $NS_DST ethtool -K veth$DST rx-gro-list on
run_test "GRO frag list over UDP tunnel" $OL_NET$DST 1 1
cleanup
@@ -247,6 +250,7 @@ for family in 4 6; do
# use NAT to circumvent GRO FWD check
create_vxlan_pair
ip -n $NS_DST addr add dev $VXDEV$DST $OL_NET$DST_NAT/$SUFFIX
+ ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
ip netns exec $NS_DST ethtool -K veth$DST rx-udp-gro-forwarding on
ip netns exec $NS_DST $IPT -t nat -I PREROUTING -d $OL_NET$DST_NAT \
-j DNAT --to-destination $OL_NET$DST
diff --git a/tools/testing/selftests/net/veth.sh b/tools/testing/selftests/net/veth.sh
index 5ae85def07395..3a394b43e274b 100755
--- a/tools/testing/selftests/net/veth.sh
+++ b/tools/testing/selftests/net/veth.sh
@@ -249,9 +249,9 @@ cleanup
create_ns
ip -n $NS_DST link set dev veth$DST up
ip -n $NS_DST link set dev veth$DST xdp object ${BPF_FILE} section xdp
-chk_gro_flag "gro vs xdp while down - gro flag on" $DST on
+chk_gro_flag "gro vs xdp while down - gro flag off" $DST off
ip -n $NS_DST link set dev veth$DST down
-chk_gro_flag " - after down" $DST on
+chk_gro_flag " - after down" $DST off
ip -n $NS_DST link set dev veth$DST xdp off
chk_gro_flag " - after xdp off" $DST off
ip -n $NS_DST link set dev veth$DST up
@@ -260,6 +260,21 @@ ip -n $NS_SRC link set dev veth$SRC xdp object ${BPF_FILE} section xdp
chk_gro_flag " - after peer xdp" $DST off
cleanup
+create_ns
+ip -n $NS_DST link set dev veth$DST up
+ip -n $NS_DST link set dev veth$DST xdp object ${BPF_FILE} section xdp
+ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
+chk_gro_flag "gro vs xdp while down - gro flag on" $DST on
+ip -n $NS_DST link set dev veth$DST down
+chk_gro_flag " - after down" $DST on
+ip -n $NS_DST link set dev veth$DST xdp off
+chk_gro_flag " - after xdp off" $DST on
+ip -n $NS_DST link set dev veth$DST up
+chk_gro_flag " - after up" $DST on
+ip -n $NS_SRC link set dev veth$SRC xdp object ${BPF_FILE} section xdp
+chk_gro_flag " - after peer xdp" $DST on
+cleanup
+
create_ns
chk_channels "default channels" $DST 1 1
@@ -327,11 +342,14 @@ if [ $CPUS -gt 2 ]; then
fi
ip -n $NS_DST link set dev veth$DST xdp object ${BPF_FILE} section xdp 2>/dev/null
-chk_gro_flag "with xdp attached - gro flag" $DST on
+chk_gro_flag "with xdp attached - gro flag" $DST off
chk_gro_flag " - peer gro flag" $SRC off
chk_tso_flag " - tso flag" $SRC off
chk_tso_flag " - peer tso flag" $DST on
ip netns exec $NS_DST ethtool -K veth$DST rx-udp-gro-forwarding on
+chk_gro " - no aggregation" 10
+ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
+chk_gro_flag " - gro flag with GRO on" $DST on
chk_gro " - aggregation" 1
--
GitLab
From f490c492e946d8ffbe65ad4efc66de3c5ede30a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= <arinc.unal@arinc9.com>
Date: Thu, 14 Mar 2024 12:28:35 +0300
Subject: [PATCH 1266/2686] net: dsa: mt7530: prevent possible incorrect XTAL
frequency selection
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
On MT7530, the HT_XTAL_FSEL field of the HWTRAP register stores a 2-bit
value that represents the frequency of the crystal oscillator connected to
the switch IC. The field is populated by the state of the ESW_P4_LED_0 and
ESW_P4_LED_0 pins, which is done right after reset is deasserted.
ESW_P4_LED_0 ESW_P3_LED_0 Frequency
-----------------------------------------
0 0 Reserved
0 1 20MHz
1 0 40MHz
1 1 25MHz
On MT7531, the XTAL25 bit of the STRAP register stores this. The LAN0LED0
pin is used to populate the bit. 25MHz when the pin is high, 40MHz when
it's low.
These pins are also used with LEDs, therefore, their state can be set to
something other than the bootstrapping configuration. For example, a link
may be established on port 3 before the DSA subdriver takes control of the
switch which would set ESW_P3_LED_0 to high.
Currently on mt7530_setup() and mt7531_setup(), 1000 - 1100 usec delay is
described between reset assertion and deassertion. Some switch ICs in real
life conditions cannot always have these pins set back to the bootstrapping
configuration before reset deassertion in this amount of delay. This causes
wrong crystal frequency to be selected which puts the switch in a
nonfunctional state after reset deassertion.
The tests below are conducted on an MT7530 with a 40MHz crystal oscillator
by Justin Swartz.
With a cable from an active peer connected to port 3 before reset, an
incorrect crystal frequency (0b11 = 25MHz) is selected:
[1] [3] [5]
: : :
_____________________________ __________________
ESW_P4_LED_0 |_______|
_____________________________
ESW_P3_LED_0 |__________________________
: : : :
: : [4]...:
: :
[2]................:
[1] Reset is asserted.
[2] Period of 1000 - 1100 usec.
[3] Reset is deasserted.
[4] Period of 315 usec. HWTRAP register is populated with incorrect
XTAL frequency.
[5] Signals reflect the bootstrapped configuration.
Increase the delay between reset_control_assert() and
reset_control_deassert(), and gpiod_set_value_cansleep(priv->reset, 0) and
gpiod_set_value_cansleep(priv->reset, 1) to 5000 - 5100 usec. This amount
ensures a higher possibility that the switch IC will have these pins back
to the bootstrapping configuration before reset deassertion.
With a cable from an active peer connected to port 3 before reset, the
correct crystal frequency (0b10 = 40MHz) is selected:
[1] [2-1] [3] [5]
: : : :
_____________________________ __________________
ESW_P4_LED_0 |_______|
___________________ _______
ESW_P3_LED_0 |_________| |__________________
: : : : :
: [2-2]...: [4]...:
[2]................:
[1] Reset is asserted.
[2] Period of 5000 - 5100 usec.
[2-1] ESW_P3_LED_0 goes low.
[2-2] Remaining period of 5000 - 5100 usec.
[3] Reset is deasserted.
[4] Period of 310 usec. HWTRAP register is populated with bootstrapped
XTAL frequency.
[5] Signals reflect the bootstrapped configuration.
ESW_P3_LED_0 low period before reset deassertion:
5000 usec
- 5100 usec
TEST RESET HOLD
# (usec)
---------------------
1 5410
2 5440
3 4375
4 5490
5 5475
6 4335
7 4370
8 5435
9 4205
10 4335
11 3750
12 3170
13 4395
14 4375
15 3515
16 4335
17 4220
18 4175
19 4175
20 4350
Min 3170
Max 5490
Median 4342.500
Avg 4466.500
Revert commit 2920dd92b980 ("net: dsa: mt7530: disable LEDs before reset").
Changing the state of pins via reset assertion is simpler and more
efficient than doing so by setting the LED controller off.
Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Fixes: c288575f7810 ("net: dsa: mt7530: Add the support of MT7531 switch")
Co-developed-by: Justin Swartz <justin.swartz@risingedge.co.za>
Signed-off-by: Justin Swartz <justin.swartz@risingedge.co.za>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/dsa/mt7530.c | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 678b51f9cea61..6986f538a4d01 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2192,22 +2192,16 @@ mt7530_setup(struct dsa_switch *ds)
}
}
- /* Disable LEDs before reset to prevent the MT7530 sampling a
- * potentially incorrect HT_XTAL_FSEL value.
- */
- mt7530_write(priv, MT7530_LED_EN, 0);
- usleep_range(1000, 1100);
-
/* Reset whole chip through gpio pin or memory-mapped registers for
* different type of hardware
*/
if (priv->mcm) {
reset_control_assert(priv->rstc);
- usleep_range(1000, 1100);
+ usleep_range(5000, 5100);
reset_control_deassert(priv->rstc);
} else {
gpiod_set_value_cansleep(priv->reset, 0);
- usleep_range(1000, 1100);
+ usleep_range(5000, 5100);
gpiod_set_value_cansleep(priv->reset, 1);
}
@@ -2420,11 +2414,11 @@ mt7531_setup(struct dsa_switch *ds)
*/
if (priv->mcm) {
reset_control_assert(priv->rstc);
- usleep_range(1000, 1100);
+ usleep_range(5000, 5100);
reset_control_deassert(priv->rstc);
} else {
gpiod_set_value_cansleep(priv->reset, 0);
- usleep_range(1000, 1100);
+ usleep_range(5000, 5100);
gpiod_set_value_cansleep(priv->reset, 1);
}
--
GitLab
From 35c3e27917568192927c785fc380f139255468b4 Mon Sep 17 00:00:00 2001
From: Abhishek Chauhan <quic_abchauha@quicinc.com>
Date: Thu, 14 Mar 2024 12:24:04 -0700
Subject: [PATCH 1267/2686] Revert "net: Re-use and set mono_delivery_time bit
for userspace tstamp packets"
This reverts commit 885c36e59f46375c138de18ff1692f18eff67b7f.
The patch currently broke the bpf selftest test_tc_dtime because
uapi field __sk_buff->tstamp_type depends on skb->mono_delivery_time which
does not necessarily mean mono with the original fix as the bit was re-used
for userspace timestamp as well to avoid tstamp reset in the forwarding
path. To solve this we need to keep mono_delivery_time as is and
introduce another bit called user_delivery_time and fall back to the
initial proposal of setting the user_delivery_time bit based on
sk_clockid set from userspace.
Fixes: 885c36e59f46 ("net: Re-use and set mono_delivery_time bit for userspace tstamp packets")
Link: https://lore.kernel.org/netdev/bc037db4-58bb-4861-ac31-a361a93841d3@linux.dev/
Signed-off-by: Abhishek Chauhan <quic_abchauha@quicinc.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/linux/skbuff.h | 6 +++---
net/ipv4/ip_output.c | 1 -
net/ipv4/raw.c | 1 -
net/ipv6/ip6_output.c | 2 +-
net/ipv6/raw.c | 2 +-
net/packet/af_packet.c | 4 +---
6 files changed, 6 insertions(+), 10 deletions(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 3023bc2be6a1c..7d56ce195120a 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -822,9 +822,9 @@ typedef unsigned char *sk_buff_data_t;
* @decrypted: Decrypted SKB
* @slow_gro: state present at GRO time, slower prepare step required
* @mono_delivery_time: When set, skb->tstamp has the
- * delivery_time in mono clock base (i.e., EDT) or a clock base chosen
- * by SO_TXTIME. If zero, skb->tstamp has the (rcv) timestamp at
- * ingress.
+ * delivery_time in mono clock base (i.e. EDT). Otherwise, the
+ * skb->tstamp has the (rcv) timestamp at ingress and
+ * delivery_time at egress.
* @napi_id: id of the NAPI struct this skb came from
* @sender_cpu: (aka @napi_id) source CPU in XPS
* @alloc_cpu: CPU which did the skb allocation.
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 33f93dc730a33..1fe794967211e 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1458,7 +1458,6 @@ struct sk_buff *__ip_make_skb(struct sock *sk,
skb->priority = (cork->tos != -1) ? cork->priority: READ_ONCE(sk->sk_priority);
skb->mark = cork->mark;
skb->tstamp = cork->transmit_time;
- skb->mono_delivery_time = !!skb->tstamp;
/*
* Steal rt from cork.dst to avoid a pair of atomic_inc/atomic_dec
* on dst refcount
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 42ac434cfcfa6..12b3740393ba5 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -360,7 +360,6 @@ static int raw_send_hdrinc(struct sock *sk, struct flowi4 *fl4,
skb->priority = READ_ONCE(sk->sk_priority);
skb->mark = sockc->mark;
skb->tstamp = sockc->transmit_time;
- skb->mono_delivery_time = !!skb->tstamp;
skb_dst_set(skb, &rt->dst);
*rtp = NULL;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 02eeca5492cd4..b9dd3a66e4236 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1925,7 +1925,7 @@ struct sk_buff *__ip6_make_skb(struct sock *sk,
skb->priority = READ_ONCE(sk->sk_priority);
skb->mark = cork->base.mark;
skb->tstamp = cork->base.transmit_time;
- skb->mono_delivery_time = !!skb->tstamp;
+
ip6_cork_steal_dst(skb, cork);
IP6_INC_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUTREQUESTS);
if (proto == IPPROTO_ICMPV6) {
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index ca49e6617afaf..0d896ca7b5891 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -622,7 +622,7 @@ static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length,
skb->priority = READ_ONCE(sk->sk_priority);
skb->mark = sockc->mark;
skb->tstamp = sockc->transmit_time;
- skb->mono_delivery_time = !!skb->tstamp;
+
skb_put(skb, length);
skb_reset_network_header(skb);
iph = ipv6_hdr(skb);
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 7cfc7d301508f..18f616f487eaa 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2057,7 +2057,7 @@ static int packet_sendmsg_spkt(struct socket *sock, struct msghdr *msg,
skb->priority = READ_ONCE(sk->sk_priority);
skb->mark = READ_ONCE(sk->sk_mark);
skb->tstamp = sockc.transmit_time;
- skb->mono_delivery_time = !!skb->tstamp;
+
skb_setup_tx_timestamp(skb, sockc.tsflags);
if (unlikely(extra_len == 4))
@@ -2586,7 +2586,6 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff *skb,
skb->priority = READ_ONCE(po->sk.sk_priority);
skb->mark = READ_ONCE(po->sk.sk_mark);
skb->tstamp = sockc->transmit_time;
- skb->mono_delivery_time = !!skb->tstamp;
skb_setup_tx_timestamp(skb, sockc->tsflags);
skb_zcopy_set_nouarg(skb, ph.raw);
@@ -3065,7 +3064,6 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
skb->priority = READ_ONCE(sk->sk_priority);
skb->mark = sockc.mark;
skb->tstamp = sockc.transmit_time;
- skb->mono_delivery_time = !!skb->tstamp;
if (unlikely(extra_len == 4))
skb->no_fcs = 1;
--
GitLab
From 9a8b202f8cb7ebebc71f1f2a353a21c76d3063a8 Mon Sep 17 00:00:00 2001
From: Shalini Manjunatha <quic_c_shalma@quicinc.com>
Date: Wed, 6 Mar 2024 16:23:20 +0530
Subject: [PATCH 1268/2686] ASoC: soc-compress: Fix and add DPCM locking
We find mising DPCM locking inside soc_compr_set_params_fe
before calling dpcm_be_dai_hw_params() and dpcm_be_dai_prepare()
which cause lockdep assert for DPCM lock not held in
__soc_pcm_hw_params() and __soc_pcm_prepare()
Signed-off-by: Shalini Manjunatha <quic_c_shalma@quicinc.com>
Link: https://msgid.link/r/d985beeafdd32316eb45f20811eb7926da7a796e.1709720380.git.quic_c_shalma@quicinc.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/soc-compress.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index a38fee48ee005..e692aa3b8b22f 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -385,11 +385,15 @@ static int soc_compr_set_params_fe(struct snd_compr_stream *cstream,
fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+ snd_soc_dpcm_mutex_lock(fe);
ret = dpcm_be_dai_hw_params(fe, stream);
+ snd_soc_dpcm_mutex_unlock(fe);
if (ret < 0)
goto out;
+ snd_soc_dpcm_mutex_lock(fe);
ret = dpcm_be_dai_prepare(fe, stream);
+ snd_soc_dpcm_mutex_unlock(fe);
if (ret < 0)
goto out;
--
GitLab
From dbd9698830ebafcb6f3be6498fd4a6968dcbf89a Mon Sep 17 00:00:00 2001
From: Neil Armstrong <neil.armstrong@linaro.org>
Date: Mon, 18 Mar 2024 15:16:21 +0100
Subject: [PATCH 1269/2686] Revert "drm/bridge: Select DRM_KMS_HELPER for
DRM_PANEL_BRIDGE"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This reverts commit e3f18b0dd1db242791afbc3bd173026163ce0ccc.
Selecting DRM_KMS_HELPER for DRM_PANEL_BRIDGE leads to:
WARNING: unmet direct dependencies detected for DRM_KMS_HELPER
Depends on [m]: HAS_IOMEM [=y] && DRM [=m]
...
and builds with CONFIG_DRM=m will fail with the above kconfig
warns and then multiple linker error.
Reported-by: Imre Deak <imre.deak@intel.com>
Reported-by: Jani Nikula <jani.nikula@linux.intel.com>
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Fixes: e3f18b0dd1db ("drm/bridge: Select DRM_KMS_HELPER for DRM_PANEL_BRIDGE")
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Tested-by: Jani Nikula <jani.nikula@intel.com>
Link: https://lore.kernel.org/r/20240318-revert-select-drm_kms_helper-for-drm_panel_bridge-v1-1-52a42a116286@linaro.org
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240318-revert-select-drm_kms_helper-for-drm_panel_bridge-v1-1-52a42a116286@linaro.org
---
drivers/gpu/drm/bridge/Kconfig | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index 1d4f010af97bb..efd996f6c1384 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -8,7 +8,6 @@ config DRM_BRIDGE
config DRM_PANEL_BRIDGE
def_bool y
depends on DRM_BRIDGE
- select DRM_KMS_HELPER
select DRM_PANEL
help
DRM bridge wrapper of DRM panels
--
GitLab
From 1e5dc3989a20ccd703d5fe1a269d2bcedf29142c Mon Sep 17 00:00:00 2001
From: Hui Wang <hui.wang@canonical.com>
Date: Mon, 18 Mar 2024 09:11:28 +0800
Subject: [PATCH 1270/2686] ALSA: hda/realtek: fix the hp playback volume issue
for LG machines
Recently we tested the headphone playback on 2 LG machines, if we set
the volume to the max value or near to the max value, the sound is too
loud, it could even bring harm to listeners.
A workaround is to decrease the max volume to a reasonable value for
the headphone's amplifier, then the users couldn't set the volume
bigger than that value from the userspace.
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Message-ID: <20240318011128.156023-1-hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/patch_realtek.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index e904f62e19526..d463d416fc23a 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6964,6 +6964,25 @@ static void alc256_fixup_mic_no_presence_and_resume(struct hda_codec *codec,
}
}
+static void alc256_decrease_headphone_amp_val(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ u32 caps;
+ u8 nsteps, offs;
+
+ if (action != HDA_FIXUP_ACT_PRE_PROBE)
+ return;
+
+ caps = query_amp_caps(codec, 0x3, HDA_OUTPUT);
+ nsteps = ((caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT) - 10;
+ offs = ((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT) - 10;
+ caps &= ~AC_AMPCAP_NUM_STEPS & ~AC_AMPCAP_OFFSET;
+ caps |= (nsteps << AC_AMPCAP_NUM_STEPS_SHIFT) | (offs << AC_AMPCAP_OFFSET_SHIFT);
+
+ if (snd_hda_override_amp_caps(codec, 0x3, HDA_OUTPUT, caps))
+ codec_warn(codec, "failed to override amp caps for NID 0x3\n");
+}
+
static void alc_fixup_dell4_mic_no_presence_quiet(struct hda_codec *codec,
const struct hda_fixup *fix,
int action)
@@ -7382,6 +7401,7 @@ enum {
ALC294_FIXUP_CS35L41_I2C_2,
ALC245_FIXUP_CS35L56_SPI_4_HP_GPIO_LED,
ALC256_FIXUP_ACER_SFG16_MICMUTE_LED,
+ ALC256_FIXUP_HEADPHONE_AMP_VOL,
};
/* A special fixup for Lenovo C940 and Yoga Duet 7;
@@ -9581,6 +9601,10 @@ static const struct hda_fixup alc269_fixups[] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc256_fixup_acer_sfg16_micmute_led,
},
+ [ALC256_FIXUP_HEADPHONE_AMP_VOL] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc256_decrease_headphone_amp_val,
+ },
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -10319,6 +10343,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x9e56, "Lenovo ZhaoYang CF4620Z", ALC286_FIXUP_SONY_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1849, 0x1233, "ASRock NUC Box 1100", ALC233_FIXUP_NO_AUDIO_JACK),
SND_PCI_QUIRK(0x1849, 0xa233, "Positivo Master C6300", ALC269_FIXUP_HEADSET_MIC),
+ SND_PCI_QUIRK(0x1854, 0x0440, "LG CQ6", ALC256_FIXUP_HEADPHONE_AMP_VOL),
+ SND_PCI_QUIRK(0x1854, 0x0441, "LG CQ6 AIO", ALC256_FIXUP_HEADPHONE_AMP_VOL),
SND_PCI_QUIRK(0x19e5, 0x3204, "Huawei MACH-WX9", ALC256_FIXUP_HUAWEI_MACH_WX9_PINS),
SND_PCI_QUIRK(0x19e5, 0x320f, "Huawei WRT-WX9 ", ALC256_FIXUP_ASUS_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1b35, 0x1235, "CZC B20", ALC269_FIXUP_CZC_B20),
--
GitLab
From 9cbd1dae842737bfafa4b10a87909fa209dde250 Mon Sep 17 00:00:00 2001
From: Chris Bainbridge <chris.bainbridge@gmail.com>
Date: Sat, 16 Mar 2024 12:05:59 +0000
Subject: [PATCH 1271/2686] drm/dp: Fix divide-by-zero regression on DP MST
unplug with nouveau
Fix a regression when using nouveau and unplugging a StarTech MSTDP122DP
DisplayPort 1.2 MST hub (the same regression does not appear when using
a Cable Matters DisplayPort 1.4 MST hub). Trace:
divide error: 0000 [#1] PREEMPT SMP PTI
CPU: 7 PID: 2962 Comm: Xorg Not tainted 6.8.0-rc3+ #744
Hardware name: Razer Blade/DANA_MB, BIOS 01.01 08/31/2018
RIP: 0010:drm_dp_bw_overhead+0xb4/0x110 [drm_display_helper]
Code: c6 b8 01 00 00 00 75 61 01 c6 41 0f af f3 41 0f af f1 c1 e1 04 48 63 c7 31 d2 89 ff 48 8b 5d f8 c9 48 0f af f1 48 8d 44 06 ff <48> f7 f7 31 d2 31 c9 31 f6 31 ff 45 31 c0 45 31 c9 45 31 d2 45 31
RSP: 0018:ffffb2c5c211fa30 EFLAGS: 00010206
RAX: ffffffffffffffff RBX: 0000000000000000 RCX: 0000000000f59b00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffb2c5c211fa48 R08: 0000000000000001 R09: 0000000000000020
R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000023b4a
R13: ffff91d37d165800 R14: ffff91d36fac6d80 R15: ffff91d34a764010
FS: 00007f4a1ca3fa80(0000) GS:ffff91d6edbc0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559491d49000 CR3: 000000011d180002 CR4: 00000000003706f0
Call Trace:
<TASK>
? show_regs+0x6d/0x80
? die+0x37/0xa0
? do_trap+0xd4/0xf0
? do_error_trap+0x71/0xb0
? drm_dp_bw_overhead+0xb4/0x110 [drm_display_helper]
? exc_divide_error+0x3a/0x70
? drm_dp_bw_overhead+0xb4/0x110 [drm_display_helper]
? asm_exc_divide_error+0x1b/0x20
? drm_dp_bw_overhead+0xb4/0x110 [drm_display_helper]
? drm_dp_calc_pbn_mode+0x2e/0x70 [drm_display_helper]
nv50_msto_atomic_check+0xda/0x120 [nouveau]
drm_atomic_helper_check_modeset+0xa87/0xdf0 [drm_kms_helper]
drm_atomic_helper_check+0x19/0xa0 [drm_kms_helper]
nv50_disp_atomic_check+0x13f/0x2f0 [nouveau]
drm_atomic_check_only+0x668/0xb20 [drm]
? drm_connector_list_iter_next+0x86/0xc0 [drm]
drm_atomic_commit+0x58/0xd0 [drm]
? __pfx___drm_printfn_info+0x10/0x10 [drm]
drm_atomic_connector_commit_dpms+0xd7/0x100 [drm]
drm_mode_obj_set_property_ioctl+0x1c5/0x450 [drm]
? __pfx_drm_connector_property_set_ioctl+0x10/0x10 [drm]
drm_connector_property_set_ioctl+0x3b/0x60 [drm]
drm_ioctl_kernel+0xb9/0x120 [drm]
drm_ioctl+0x2d0/0x550 [drm]
? __pfx_drm_connector_property_set_ioctl+0x10/0x10 [drm]
nouveau_drm_ioctl+0x61/0xc0 [nouveau]
__x64_sys_ioctl+0xa0/0xf0
do_syscall_64+0x76/0x140
? do_syscall_64+0x85/0x140
? do_syscall_64+0x85/0x140
entry_SYSCALL_64_after_hwframe+0x6e/0x76
RIP: 0033:0x7f4a1cd1a94f
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 77 1f 48 8b 44 24 18 64 48 2b 04 25 28 00
RSP: 002b:00007ffd2f1df520 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffd2f1df5b0 RCX: 00007f4a1cd1a94f
RDX: 00007ffd2f1df5b0 RSI: 00000000c01064ab RDI: 000000000000000f
RBP: 00000000c01064ab R08: 000056347932deb8 R09: 000056347a7d99c0
R10: 0000000000000000 R11: 0000000000000246 R12: 000056347938a220
R13: 000000000000000f R14: 0000563479d9f3f0 R15: 0000000000000000
</TASK>
Modules linked in: rfcomm xt_conntrack nft_chain_nat xt_MASQUERADE nf_nat nf_conntrack_netlink nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xfrm_user xfrm_algo xt_addrtype nft_compat nf_tables nfnetlink br_netfilter bridge stp llc ccm cmac algif_hash overlay algif_skcipher af_alg bnep binfmt_misc snd_sof_pci_intel_cnl snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof_intel_hda snd_sof snd_sof_utils snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_compress snd_sof_intel_hda_mlink snd_hda_ext_core iwlmvm intel_rapl_msr intel_rapl_common intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp mac80211 coretemp kvm_intel snd_hda_codec_hdmi kvm snd_hda_codec_realtek snd_hda_codec_generic uvcvideo libarc4 snd_hda_intel snd_intel_dspcfg snd_hda_codec iwlwifi videobuf2_vmalloc videobuf2_memops uvc irqbypass btusb videobuf2_v4l2 snd_seq_midi crct10dif_pclmul hid_multitouch crc32_pclmul snd_seq_midi_event btrtl snd_hwdep videodev polyval_clmulni polyval_generic snd_rawmidi
ghash_clmulni_intel aesni_intel btintel crypto_simd snd_hda_core cryptd snd_seq btbcm ee1004 8250_dw videobuf2_common btmtk rapl nls_iso8859_1 mei_hdcp thunderbolt bluetooth intel_cstate wmi_bmof intel_wmi_thunderbolt cfg80211 snd_pcm mc snd_seq_device i2c_i801 r8169 ecdh_generic snd_timer i2c_smbus ecc snd mei_me intel_lpss_pci mei ahci intel_lpss soundcore realtek libahci idma64 intel_pch_thermal i2c_hid_acpi i2c_hid acpi_pad sch_fq_codel msr parport_pc ppdev lp parport efi_pstore ip_tables x_tables autofs4 dm_crypt raid10 raid456 libcrc32c async_raid6_recov async_memcpy async_pq async_xor xor async_tx raid6_pq raid1 raid0 joydev input_leds hid_generic usbhid hid nouveau i915 drm_ttm_helper gpu_sched drm_gpuvm drm_exec i2c_algo_bit drm_buddy ttm drm_display_helper drm_kms_helper cec rc_core drm nvme nvme_core mxm_wmi xhci_pci xhci_pci_renesas video wmi pinctrl_cannonlake mac_hid
---[ end trace 0000000000000000 ]---
Fix this by avoiding the divide if bpp is 0.
Fixes: c1d6a22b7219 ("drm/dp: Add helpers to calculate the link BW overhead")
Cc: stable@vger.kernel.org
Acked-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Chris Bainbridge <chris.bainbridge@gmail.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZfWLJwYikw2K7B6c@debian.local
---
drivers/gpu/drm/display/drm_dp_helper.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/display/drm_dp_helper.c b/drivers/gpu/drm/display/drm_dp_helper.c
index b1ca3a1100dab..26c188ce5f1c3 100644
--- a/drivers/gpu/drm/display/drm_dp_helper.c
+++ b/drivers/gpu/drm/display/drm_dp_helper.c
@@ -3982,6 +3982,13 @@ int drm_dp_bw_overhead(int lane_count, int hactive,
u32 overhead = 1000000;
int symbol_cycles;
+ if (lane_count == 0 || hactive == 0 || bpp_x16 == 0) {
+ DRM_DEBUG_KMS("Invalid BW overhead params: lane_count %d, hactive %d, bpp_x16 %d.%04d\n",
+ lane_count, hactive,
+ bpp_x16 >> 4, (bpp_x16 & 0xf) * 625);
+ return 0;
+ }
+
/*
* DP Standard v2.1 2.6.4.1
* SSC downspread and ref clock variation margin:
--
GitLab
From 7397175cb7b48f7a3fc699083aa46f1234904c7e Mon Sep 17 00:00:00 2001
From: Kousik Sanagavarapu <five231003@gmail.com>
Date: Mon, 18 Mar 2024 21:08:34 +0530
Subject: [PATCH 1272/2686] spi: lm70llp: fix links in doc and comments
Update links in the documentation and in-code comments which point to
the datasheet and schematic.
The current links don't work because National Semiconductor (which is
the manufacturer of this board and lm70) has been a part of Texas
Instruments since 2011 and hence http://www.national.com/ doesn't work
anymore.
Fixes: 78961a574037 ("spi_lm70llp parport adapter driver")
Fixes: 2b7300513b98 ("hwmon: (lm70) Code streamlining and cleanup")
Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
Link: https://msgid.link/r/20240318154540.90613-2-five231003@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
Documentation/spi/spi-lm70llp.rst | 4 ++--
drivers/spi/spi-lm70llp.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/Documentation/spi/spi-lm70llp.rst b/Documentation/spi/spi-lm70llp.rst
index 2f20e5b405e66..ff98ddc76a747 100644
--- a/Documentation/spi/spi-lm70llp.rst
+++ b/Documentation/spi/spi-lm70llp.rst
@@ -6,7 +6,7 @@ Supported board/chip:
* National Semiconductor LM70 LLP evaluation board
- Datasheet: http://www.national.com/pf/LM/LM70.html
+ Datasheet: https://www.ti.com/lit/gpn/lm70
Author:
Kaiwan N Billimoria <kaiwan@designergraphix.com>
@@ -28,7 +28,7 @@ Hardware Interfacing
The schematic for this particular board (the LM70EVAL-LLP) is
available (on page 4) here:
- http://www.national.com/appinfo/tempsensors/files/LM70LLPEVALmanual.pdf
+ https://download.datasheets.com/pdfs/documentation/nat/kit&board/lm70llpevalmanual.pdf
The hardware interfacing on the LM70 LLP eval board is as follows:
diff --git a/drivers/spi/spi-lm70llp.c b/drivers/spi/spi-lm70llp.c
index f982bdebd0283..3c0c24ed1f3db 100644
--- a/drivers/spi/spi-lm70llp.c
+++ b/drivers/spi/spi-lm70llp.c
@@ -29,10 +29,10 @@
*
* Datasheet and Schematic:
* The LM70 is a temperature sensor chip from National Semiconductor; its
- * datasheet is available at http://www.national.com/pf/LM/LM70.html
+ * datasheet is available at https://www.ti.com/lit/gpn/lm70
* The schematic for this particular board (the LM70EVAL-LLP) is
* available (on page 4) here:
- * http://www.national.com/appinfo/tempsensors/files/LM70LLPEVALmanual.pdf
+ * https://download.datasheets.com/pdfs/documentation/nat/kit&board/lm70llpevalmanual.pdf
*
* Also see Documentation/spi/spi-lm70llp.rst. The SPI<->parport code here is
* (heavily) based on spi-butterfly by David Brownell.
--
GitLab
From 23dfd914d2bfc4c9938b0084dffd7105de231d98 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max.kellermann@ionos.com>
Date: Thu, 15 Feb 2024 15:13:21 +0100
Subject: [PATCH 1273/2686] modpost: fix null pointer dereference
If the find_fromsym() call fails and returns NULL, the warn() call
will dereference this NULL pointer and cause the program to crash.
This happened when I tried to build with "test_user_copy" module.
With this fix, it prints lots of warnings like this:
WARNING: modpost: lib/test_user_copy: section mismatch in reference: (unknown)+0x4 (section: .text.fixup) -> (unknown) (section: .init.text)
masahiroy@kernel.org:
The issue is reproduced with ARCH=arm allnoconfig + CONFIG_MODULES=y +
CONFIG_RUNTIME_TESTING_MENU=y + CONFIG_TEST_USER_COPY=m
Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/mod/modpost.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 267b9a0a3abcd..9106fe7579466 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1050,7 +1050,9 @@ static void default_mismatch_handler(const char *modname, struct elf_info *elf,
sec_mismatch_count++;
warn("%s: section mismatch in reference: %s+0x%x (section: %s) -> %s (section: %s)\n",
- modname, fromsym, (unsigned int)(faddr - from->st_value), fromsec, tosym, tosec);
+ modname, fromsym,
+ (unsigned int)(faddr - (from ? from->st_value : 0)),
+ fromsec, tosym, tosec);
if (mismatch->mismatch == EXTABLE_TO_NON_TEXT) {
if (match(tosec, mismatch->bad_tosec))
--
GitLab
From 137bb8b814be5d0056e8eaf593e71bf340cdc06f Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 10 Mar 2024 22:32:57 +0900
Subject: [PATCH 1274/2686] kconfig: lxdialog: fix button color for blackbg
theme
For MENUCONFIG_COLOR=blackbg, the text in inactive buttons is invisible
because both the foreground and background are black.
Change the foreground color to white and remove the highlighting.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/lxdialog/util.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/kconfig/lxdialog/util.c b/scripts/kconfig/lxdialog/util.c
index 3f78fb2651363..d5315315b0667 100644
--- a/scripts/kconfig/lxdialog/util.c
+++ b/scripts/kconfig/lxdialog/util.c
@@ -101,7 +101,7 @@ static void set_blackbg_theme(void)
DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_RED, true);
DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_BLACK, false);
DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_RED, false);
- DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_BLACK, true);
+ DLG_COLOR(button_label_inactive, COLOR_WHITE, COLOR_BLACK, false);
DLG_COLOR(inputbox, COLOR_YELLOW, COLOR_BLACK, false);
DLG_COLOR(inputbox_border, COLOR_YELLOW, COLOR_BLACK, false);
--
GitLab
From c33a4315c4095be368fe127db3385b248d38df8f Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 10 Mar 2024 22:32:58 +0900
Subject: [PATCH 1275/2686] kconfig: lxdialog: remove unused dialog colors
Remove inputbox_order, searchbox, searchbox_title, searchbox_border
because they are initialized, but not used anywhere.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/lxdialog/dialog.h | 4 ----
scripts/kconfig/lxdialog/util.c | 18 ------------------
2 files changed, 22 deletions(-)
diff --git a/scripts/kconfig/lxdialog/dialog.h b/scripts/kconfig/lxdialog/dialog.h
index a501abf9fa313..2d15ba893fbf8 100644
--- a/scripts/kconfig/lxdialog/dialog.h
+++ b/scripts/kconfig/lxdialog/dialog.h
@@ -91,10 +91,6 @@ struct dialog_info {
struct dialog_color button_label_active;
struct dialog_color button_label_inactive;
struct dialog_color inputbox;
- struct dialog_color inputbox_border;
- struct dialog_color searchbox;
- struct dialog_color searchbox_title;
- struct dialog_color searchbox_border;
struct dialog_color position_indicator;
struct dialog_color menubox;
struct dialog_color menubox_border;
diff --git a/scripts/kconfig/lxdialog/util.c b/scripts/kconfig/lxdialog/util.c
index d5315315b0667..3fb7508b68a24 100644
--- a/scripts/kconfig/lxdialog/util.c
+++ b/scripts/kconfig/lxdialog/util.c
@@ -29,10 +29,6 @@ static void set_mono_theme(void)
dlg.button_label_active.atr = A_REVERSE;
dlg.button_label_inactive.atr = A_NORMAL;
dlg.inputbox.atr = A_NORMAL;
- dlg.inputbox_border.atr = A_NORMAL;
- dlg.searchbox.atr = A_NORMAL;
- dlg.searchbox_title.atr = A_BOLD;
- dlg.searchbox_border.atr = A_NORMAL;
dlg.position_indicator.atr = A_BOLD;
dlg.menubox.atr = A_NORMAL;
dlg.menubox_border.atr = A_NORMAL;
@@ -69,10 +65,6 @@ static void set_classic_theme(void)
DLG_COLOR(button_label_active, COLOR_YELLOW, COLOR_BLUE, true);
DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_WHITE, true);
DLG_COLOR(inputbox, COLOR_BLACK, COLOR_WHITE, false);
- DLG_COLOR(inputbox_border, COLOR_BLACK, COLOR_WHITE, false);
- DLG_COLOR(searchbox, COLOR_BLACK, COLOR_WHITE, false);
- DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_WHITE, true);
- DLG_COLOR(searchbox_border, COLOR_WHITE, COLOR_WHITE, true);
DLG_COLOR(position_indicator, COLOR_YELLOW, COLOR_WHITE, true);
DLG_COLOR(menubox, COLOR_BLACK, COLOR_WHITE, false);
DLG_COLOR(menubox_border, COLOR_WHITE, COLOR_WHITE, true);
@@ -104,11 +96,6 @@ static void set_blackbg_theme(void)
DLG_COLOR(button_label_inactive, COLOR_WHITE, COLOR_BLACK, false);
DLG_COLOR(inputbox, COLOR_YELLOW, COLOR_BLACK, false);
- DLG_COLOR(inputbox_border, COLOR_YELLOW, COLOR_BLACK, false);
-
- DLG_COLOR(searchbox, COLOR_YELLOW, COLOR_BLACK, false);
- DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_BLACK, true);
- DLG_COLOR(searchbox_border, COLOR_BLACK, COLOR_BLACK, true);
DLG_COLOR(position_indicator, COLOR_RED, COLOR_BLACK, false);
@@ -136,7 +123,6 @@ static void set_bluetitle_theme(void)
DLG_COLOR(title, COLOR_BLUE, COLOR_WHITE, true);
DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_BLUE, true);
DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_BLUE, true);
- DLG_COLOR(searchbox_title, COLOR_BLUE, COLOR_WHITE, true);
DLG_COLOR(position_indicator, COLOR_BLUE, COLOR_WHITE, true);
DLG_COLOR(tag, COLOR_BLUE, COLOR_WHITE, true);
DLG_COLOR(tag_key, COLOR_BLUE, COLOR_WHITE, true);
@@ -189,10 +175,6 @@ static void init_dialog_colors(void)
init_one_color(&dlg.button_label_active);
init_one_color(&dlg.button_label_inactive);
init_one_color(&dlg.inputbox);
- init_one_color(&dlg.inputbox_border);
- init_one_color(&dlg.searchbox);
- init_one_color(&dlg.searchbox_title);
- init_one_color(&dlg.searchbox_border);
init_one_color(&dlg.position_indicator);
init_one_color(&dlg.menubox);
init_one_color(&dlg.menubox_border);
--
GitLab
From 4957515b9c3aa3d32a1ee44ab77f0a44f29263dc Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 10 Mar 2024 22:45:15 +0900
Subject: [PATCH 1276/2686] kconfig: check prompt for choice while parsing
This can be checked on-the-fly.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/menu.c | 3 ---
scripts/kconfig/parser.y | 6 ++++++
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 840ce642ec439..8498481e6afe3 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -561,9 +561,6 @@ void menu_finalize(struct menu *parent)
if (sym->type == S_UNKNOWN)
menu_warn(parent, "config symbol defined without type");
- if (sym_is_choice(sym) && !parent->prompt)
- menu_warn(parent, "choice must have a prompt");
-
/* Check properties connected to this symbol */
sym_check_prop(sym);
sym->flags |= SYMBOL_WARNED;
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index 22f616334585b..b45bfaf0a02b1 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -233,6 +233,12 @@ choice: T_CHOICE T_EOL
choice_entry: choice choice_option_list
{
+ if (!current_entry->prompt) {
+ fprintf(stderr, "%s:%d: error: choice must have a prompt\n",
+ current_entry->filename, current_entry->lineno);
+ yynerrs++;
+ }
+
$$ = menu_add_menu();
};
--
GitLab
From b27a91383abc4acca39f4402cdcc74ce4a476d8e Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 10 Mar 2024 23:16:17 +0900
Subject: [PATCH 1277/2686] kconfig: remove unneeded menu_is_visible() call in
conf_write_defconfig()
When the condition 'sym == NULL' is met, the code will reach the
'next_menu' label regardless of the return value from menu_is_visible().
menu_is_visible() calculates some symbol values as a side-effect, for
instance by calling expr_calc_value(menu->visibility), but all the
symbol values will be calculated eventually.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/confdata.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index c5b6487d68ac4..0e35c4819cf1d 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -799,10 +799,7 @@ int conf_write_defconfig(const char *filename)
while (menu != NULL)
{
sym = menu->sym;
- if (sym == NULL) {
- if (!menu_is_visible(menu))
- goto next_menu;
- } else if (!sym_is_choice(sym)) {
+ if (sym && !sym_is_choice(sym)) {
sym_calc_value(sym);
if (!(sym->flags & SYMBOL_WRITE))
goto next_menu;
--
GitLab
From 097f1200bf7ea19fb39ccf538a07a153260a7763 Mon Sep 17 00:00:00 2001
From: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Date: Mon, 11 Mar 2024 17:22:38 +0100
Subject: [PATCH 1278/2686] kbuild: rpm-pkg: add dtb files in kernel rpm
Some architectures, like aarch64 ones, need a dtb file to configure the
hardware. The default dtb file can be preloaded from u-boot, but the final
and/or more complete dtb file needs to be able to be loaded later from
rootfs.
Add the possible dtb files to the kernel rpm and mimic Fedora shipping
process, storing the dtb files in the module directory. These dtb files
will be copied to /boot directory by the install scripts, but add fallback
just in case, checking if the content in /boot directory is correct.
Mark the files installed to /boot as %ghost to make sure they will be
removed when the package is uninstalled.
Tested with Fedora Rawhide (x86_64 and aarch64) with dnf and rpm tools.
In addition, fallback was also tested after modifying the install scripts.
Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/package/kernel.spec | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/scripts/package/kernel.spec b/scripts/package/kernel.spec
index c256b73cca3ec..e095eb1e290ec 100644
--- a/scripts/package/kernel.spec
+++ b/scripts/package/kernel.spec
@@ -61,6 +61,9 @@ cp $(%{make} %{makeflags} -s image_name) %{buildroot}/lib/modules/%{KERNELRELEAS
%{make} %{makeflags} INSTALL_HDR_PATH=%{buildroot}/usr headers_install
cp System.map %{buildroot}/lib/modules/%{KERNELRELEASE}
cp .config %{buildroot}/lib/modules/%{KERNELRELEASE}/config
+if %{make} %{makeflags} run-command KBUILD_RUN_COMMAND='test -d ${srctree}/arch/${SRCARCH}/boot/dts' 2>/dev/null; then
+ %{make} %{makeflags} INSTALL_DTBS_PATH=%{buildroot}/lib/modules/%{KERNELRELEASE}/dtb dtbs_install
+fi
ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEASE}/build
%if %{with_devel}
%{make} %{makeflags} run-command KBUILD_RUN_COMMAND='${srctree}/scripts/package/install-extmod-build %{buildroot}/usr/src/kernels/%{KERNELRELEASE}'
@@ -81,6 +84,11 @@ ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEA
echo "%ghost /boot/${x}-%{KERNELRELEASE}"
done
+ if [ -d "%{buildroot}/lib/modules/%{KERNELRELEASE}/dtb" ];then
+ echo "/lib/modules/%{KERNELRELEASE}/dtb"
+ find "%{buildroot}/lib/modules/%{KERNELRELEASE}/dtb" -printf "%%%ghost /boot/dtb-%{KERNELRELEASE}/%%P\n"
+ fi
+
echo "%exclude /lib/modules/%{KERNELRELEASE}/build"
} > %{buildroot}/kernel.list
@@ -96,6 +104,11 @@ for file in vmlinuz System.map config; do
cp "/lib/modules/%{KERNELRELEASE}/${file}" "/boot/${file}-%{KERNELRELEASE}"
fi
done
+if [ -d "/lib/modules/%{KERNELRELEASE}/dtb" ] && \
+ ! diff -rq "/lib/modules/%{KERNELRELEASE}/dtb" "/boot/dtb-%{KERNELRELEASE}" >/dev/null 2>&1; then
+ rm -rf "/boot/dtb-%{KERNELRELEASE}"
+ cp -r "/lib/modules/%{KERNELRELEASE}/dtb" "/boot/dtb-%{KERNELRELEASE}"
+fi
if [ ! -e "/lib/modules/%{KERNELRELEASE}/modules.dep" ]; then
/usr/sbin/depmod %{KERNELRELEASE}
fi
--
GitLab
From 3fbd56f0e7c14e7c7a7597fd4a368753fe70d76f Mon Sep 17 00:00:00 2001
From: "Christoph Lameter (Ampere)" <cl@gentwo.org>
Date: Wed, 6 Mar 2024 17:45:04 -0800
Subject: [PATCH 1279/2686] ARM64: Dynamically allocate cpumasks and increase
supported CPUs to 512
[ a.k.a. Revert "Revert "ARM64: Dynamically allocate cpumasks and
increase supported CPUs to 512""; originally reverted because of a
bug in the cpufreq-dt code not using zalloc_cpumask_var() ]
Currently defconfig selects NR_CPUS=256, but some vendors (e.g. Ampere
Computing) are planning to ship systems with 512 CPUs. So that all CPUs on
these systems can be used with defconfig, we'd like to bump NR_CPUS to 512.
Therefore this patch increases the default NR_CPUS from 256 to 512.
As increasing NR_CPUS will increase the size of cpumasks, there's a fear that
this might have a significant impact on stack usage due to code which places
cpumasks on the stack. To mitigate that concern, we can select
CPUMASK_OFFSTACK. As that doesn't seem to be a problem today with
NR_CPUS=256, we only select this when NR_CPUS > 256.
CPUMASK_OFFSTACK configures the cpumasks in the kernel to be
dynamically allocated. This was used in the X86 architecture in the
past to enable support for larger CPU configurations up to 8k cpus.
With that is becomes possible to dynamically size the allocation of
the cpu bitmaps depending on the quantity of processors detected on
bootup. Memory used for cpumasks will increase if the kernel is
run on a machine with more cores.
Further increases may be needed if ARM processor vendors start
supporting more processors. Given the current inflationary trends
in core counts from multiple processor manufacturers this may occur.
There are minor regressions for hackbench. The kernel data size
for 512 cpus is smaller with offstack than with onstack.
Benchmark results using hackbench average over 10 runs of
hackbench -s 512 -l 2000 -g 15 -f 25 -P
on Altra 80 Core
Support for 256 CPUs on stack. Baseline
7.8564 sec
Support for 512 CUs on stack.
7.8713 sec + 0.18%
512 CPUS offstack
7.8916 sec + 0.44%
Kernel size comparison:
text data filename Difference to onstack256 baseline
25755648 9589248 vmlinuz-6.8.0-rc4-onstack256
25755648 9607680 vmlinuz-6.8.0-rc4-onstack512 +0.19%
25755648 9603584 vmlinuz-6.8.0-rc4-offstack512 +0.14%
Tested-by: Eric Mackay <eric.mackay@oracle.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Christoph Lameter (Ampere) <cl@linux.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/37099a57-b655-3b3a-56d0-5f7fbd49d7db@gentwo.org
Link: https://lore.kernel.org/r/20240314125457.186678-1-m.szyprowski@samsung.com
[catalin.marinas@arm.com: use 'select' instead of duplicating 'config CPUMASK_OFFSTACK']
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
arch/arm64/Kconfig | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 4869265ace2dd..a03de40bd4cd7 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -120,6 +120,7 @@ config ARM64
select CLONE_BACKWARDS
select COMMON_CLK
select CPU_PM if (SUSPEND || CPU_IDLE)
+ select CPUMASK_OFFSTACK if NR_CPUS > 256
select CRC32
select DCACHE_WORD_ACCESS
select DYNAMIC_FTRACE if FUNCTION_TRACER
@@ -1430,7 +1431,7 @@ config SCHED_SMT
config NR_CPUS
int "Maximum number of CPUs (2-4096)"
range 2 4096
- default "256"
+ default "512"
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
--
GitLab
From d565fffa68560ac540bf3d62cc79719da50d5e7a Mon Sep 17 00:00:00 2001
From: Anand Jain <anand.jain@oracle.com>
Date: Tue, 13 Feb 2024 09:13:56 +0800
Subject: [PATCH 1280/2686] btrfs: do not skip re-registration for the mounted
device
There are reports that since version 6.7 update-grub fails to find the
device of the root on systems without initrd and on a single device.
This looks like the device name changed in the output of
/proc/self/mountinfo:
6.5-rc5 working
18 1 0:16 / / rw,noatime - btrfs /dev/sda8 ...
6.7 not working:
17 1 0:15 / / rw,noatime - btrfs /dev/root ...
and "update-grub" shows this error:
/usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?)
This looks like it's related to the device name, but grub-probe
recognizes the "/dev/root" path and tries to find the underlying device.
However there's a special case for some filesystems, for btrfs in
particular.
The generic root device detection heuristic is not done and it all
relies on reading the device infos by a btrfs specific ioctl. This ioctl
returns the device name as it was saved at the time of device scan (in
this case it's /dev/root).
The change in 6.7 for temp_fsid to allow several single device
filesystem to exist with the same fsid (and transparently generate a new
UUID at mount time) was to skip caching/registering such devices.
This also skipped mounted device. One step of scanning is to check if
the device name hasn't changed, and if yes then update the cached value.
This broke the grub-probe as it always read the device /dev/root and
couldn't find it in the system. A temporary workaround is to create a
symlink but this does not survive reboot.
The right fix is to allow updating the device path of a mounted
filesystem even if this is a single device one.
In the fix, check if the device's major:minor number matches with the
cached device. If they do, then we can allow the scan to happen so that
device_list_add() can take care of updating the device path. The file
descriptor remains unchanged.
This does not affect the temp_fsid feature, the UUID of the mounted
filesystem remains the same and the matching is based on device major:minor
which is unique per mounted filesystem.
This covers the path when the device (that exists for all mounted
devices) name changes, updating /dev/root to /dev/sdx. Any other single
device with filesystem and is not mounted is still skipped.
Note that if a system is booted and initial mount is done on the
/dev/root device, this will be the cached name of the device. Only after
the command "btrfs device scan" it will change as it triggers the
rename.
The fix was verified by users whose systems were affected.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=218353
Link: https://lore.kernel.org/lkml/CAKLYgeJ1tUuqLcsquwuFqjDXPSJpEiokrWK2gisPKDZLs8Y2TQ@mail.gmail.com/
Fixes: bc27d6f0aa0e ("btrfs: scan but don't register device on single device filesystem")
CC: stable@vger.kernel.org # 6.7+
Tested-by: Alex Romosan <aromosan@gmail.com>
Tested-by: CHECK_1234543212345@protonmail.com
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/volumes.c | 58 +++++++++++++++++++++++++++++++++++++---------
1 file changed, 47 insertions(+), 11 deletions(-)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index a2d07fa3cfdff..1dc1f1946ae0e 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1303,6 +1303,47 @@ int btrfs_forget_devices(dev_t devt)
return ret;
}
+static bool btrfs_skip_registration(struct btrfs_super_block *disk_super,
+ const char *path, dev_t devt,
+ bool mount_arg_dev)
+{
+ struct btrfs_fs_devices *fs_devices;
+
+ /*
+ * Do not skip device registration for mounted devices with matching
+ * maj:min but different paths. Booting without initrd relies on
+ * /dev/root initially, later replaced with the actual root device.
+ * A successful scan ensures grub2-probe selects the correct device.
+ */
+ list_for_each_entry(fs_devices, &fs_uuids, fs_list) {
+ struct btrfs_device *device;
+
+ mutex_lock(&fs_devices->device_list_mutex);
+
+ if (!fs_devices->opened) {
+ mutex_unlock(&fs_devices->device_list_mutex);
+ continue;
+ }
+
+ list_for_each_entry(device, &fs_devices->devices, dev_list) {
+ if (device->bdev && (device->bdev->bd_dev == devt) &&
+ strcmp(device->name->str, path) != 0) {
+ mutex_unlock(&fs_devices->device_list_mutex);
+
+ /* Do not skip registration. */
+ return false;
+ }
+ }
+ mutex_unlock(&fs_devices->device_list_mutex);
+ }
+
+ if (!mount_arg_dev && btrfs_super_num_devices(disk_super) == 1 &&
+ !(btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_SEEDING))
+ return true;
+
+ return false;
+}
+
/*
* Look for a btrfs signature on a device. This may be called out of the mount path
* and we are not allowed to call set_blocksize during the scan. The superblock
@@ -1320,6 +1361,7 @@ struct btrfs_device *btrfs_scan_one_device(const char *path, blk_mode_t flags,
struct btrfs_device *device = NULL;
struct file *bdev_file;
u64 bytenr, bytenr_orig;
+ dev_t devt;
int ret;
lockdep_assert_held(&uuid_mutex);
@@ -1359,19 +1401,13 @@ struct btrfs_device *btrfs_scan_one_device(const char *path, blk_mode_t flags,
goto error_bdev_put;
}
- if (!mount_arg_dev && btrfs_super_num_devices(disk_super) == 1 &&
- !(btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_SEEDING)) {
- dev_t devt;
+ devt = file_bdev(bdev_file)->bd_dev;
+ if (btrfs_skip_registration(disk_super, path, devt, mount_arg_dev)) {
+ pr_debug("BTRFS: skip registering single non-seed device %s (%d:%d)\n",
+ path, MAJOR(devt), MINOR(devt));
- ret = lookup_bdev(path, &devt);
- if (ret)
- btrfs_warn(NULL, "lookup bdev failed for path %s: %d",
- path, ret);
- else
- btrfs_free_stale_devices(devt, NULL);
+ btrfs_free_stale_devices(devt, NULL);
- pr_debug("BTRFS: skip registering single non-seed device %s (%d:%d)\n",
- path, MAJOR(devt), MINOR(devt));
device = NULL;
goto free_disk_super;
}
--
GitLab
From 0ef58ccb6178b1a40edfd027d8a11a52fa629215 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Wed, 13 Mar 2024 11:56:10 -0700
Subject: [PATCH 1281/2686] selftests/exec: execveat: Improve debug reporting
Children processes were reporting their status, duplicating the
parent's. Remove that, and add some additional details about the test
execution.
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20240313185606.work.073-kees@kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
---
tools/testing/selftests/exec/execveat.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/tools/testing/selftests/exec/execveat.c b/tools/testing/selftests/exec/execveat.c
index 0546ca24f2b20..6418ded40bddd 100644
--- a/tools/testing/selftests/exec/execveat.c
+++ b/tools/testing/selftests/exec/execveat.c
@@ -98,10 +98,9 @@ static int check_execveat_invoked_rc(int fd, const char *path, int flags,
if (child == 0) {
/* Child: do execveat(). */
rc = execveat_(fd, path, argv, envp, flags);
- ksft_print_msg("execveat() failed, rc=%d errno=%d (%s)\n",
+ ksft_print_msg("child execveat() failed, rc=%d errno=%d (%s)\n",
rc, errno, strerror(errno));
- ksft_test_result_fail("%s\n", test_name);
- exit(1); /* should not reach here */
+ exit(errno);
}
/* Parent: wait for & check child's exit status. */
rc = waitpid(child, &status, 0);
@@ -226,11 +225,14 @@ static int check_execveat_pathmax(int root_dfd, const char *src, int is_script)
* "If the command name is found, but it is not an executable utility,
* the exit status shall be 126."), so allow either.
*/
- if (is_script)
+ if (is_script) {
+ ksft_print_msg("Invoke script via root_dfd and relative filename\n");
fail += check_execveat_invoked_rc(root_dfd, longpath + 1, 0,
127, 126);
- else
+ } else {
+ ksft_print_msg("Invoke exec via root_dfd and relative filename\n");
fail += check_execveat(root_dfd, longpath + 1, 0);
+ }
return fail;
}
--
GitLab
From 472874cf7bb34895ae69483338359df84e76f3e1 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Fri, 15 Mar 2024 11:26:35 -0700
Subject: [PATCH 1282/2686] selftests/exec: Convert remaining /bin/sh to
/bin/bash
As was intended with commit 17107429947b ("selftests/exec: Perform script
checks with /bin/bash"), convert the other instance of /bin/sh to
/bin/bash. It appears that at least Debian Bookworm's /bin/sh (dash)
does not conform to POSIX's "return 127 when script not found"
requirement.
Fixes: 17107429947b ("selftests/exec: Perform script checks with /bin/bash")
Reported-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Closes: https://lore.kernel.org/lkml/02c8bf8e-1934-44ab-a886-e065b37366a7@collabora.com/
Signed-off-by: Kees Cook <keescook@chromium.org>
---
tools/testing/selftests/exec/Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/exec/Makefile b/tools/testing/selftests/exec/Makefile
index a0b8688b08369..fb4472ddffd81 100644
--- a/tools/testing/selftests/exec/Makefile
+++ b/tools/testing/selftests/exec/Makefile
@@ -19,8 +19,8 @@ include ../lib.mk
$(OUTPUT)/subdir:
mkdir -p $@
-$(OUTPUT)/script:
- echo '#!/bin/sh' > $@
+$(OUTPUT)/script: Makefile
+ echo '#!/bin/bash' > $@
echo 'exit $$*' >> $@
chmod +x $@
$(OUTPUT)/execveat.symlink: $(OUTPUT)/execveat
--
GitLab
From 77fcc34769c8a0a228af32c52ba7d3ef64690c0d Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Tue, 12 Mar 2024 20:45:52 -0700
Subject: [PATCH 1283/2686] ubsan: Disable signed integer overflow sanitizer on
GCC < 8
For opting functions out of sanitizer coverage, the "no_sanitize"
attribute is used, but in GCC this wasn't introduced until GCC 8.
Disable the sanitizer unless we're not using GCC, or it is GCC
version 8 or higher.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202403110643.27JXEVCI-lkp@intel.com/
Reviewed-by: Marco Elver <elver@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
---
lib/Kconfig.ubsan | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
index 48a67058f84eb..e81e1ac4a919b 100644
--- a/lib/Kconfig.ubsan
+++ b/lib/Kconfig.ubsan
@@ -119,6 +119,8 @@ config UBSAN_SIGNED_WRAP
bool "Perform checking for signed arithmetic wrap-around"
default UBSAN
depends on !COMPILE_TEST
+ # The no_sanitize attribute was introduced in GCC with version 8.
+ depends on !CC_IS_GCC || GCC_VERSION >= 80000
depends on $(cc-option,-fsanitize=signed-integer-overflow)
help
This option enables -fsanitize=signed-integer-overflow which checks
--
GitLab
From c4ca2276f18ee638e4bb156126e6e1bf5e09f28e Mon Sep 17 00:00:00 2001
From: Liu Song <liusong@linux.alibaba.com>
Date: Wed, 13 Mar 2024 11:10:11 -0700
Subject: [PATCH 1284/2686] arch/Kconfig: eliminate needless UTF-8 character in
Kconfig help
Use "find ./linux/* | grep Kconfig | xargs file | grep UTF", can find
files with utf-8 encoded characters, these files will display garbled
characters in menuconfig, except for characters with special meanings
that cannot be modified, modify the characters with obvious errors to
eliminate the wrong display under meunconfig.
Signed-off-by: Liu Song <liusong@linux.alibaba.com>
Suggested-by: Bjorn Helgaas <helgaas@kernel.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/lkml/1659435153-119538-1-git-send-email-liusong@linux.alibaba.com/
Signed-off-by: Kees Cook <keescook@chromium.org>
---
arch/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/Kconfig b/arch/Kconfig
index fd18b7db2c777..e8d3169ce9df3 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -799,7 +799,7 @@ config CFI_CLANG
depends on ARCH_SUPPORTS_CFI_CLANG
depends on $(cc-option,-fsanitize=kcfi)
help
- This option enables Clang’s forward-edge Control Flow Integrity
+ This option enables Clang's forward-edge Control Flow Integrity
(CFI) checking, where the compiler injects a runtime check to each
indirect function call to ensure the target is a valid function with
the correct static type. This restricts possible call targets and
--
GitLab
From acd80cdcee17eb770fcb2b0dc659b78f369d8c01 Mon Sep 17 00:00:00 2001
From: Guenter Roeck <linux@roeck-us.net>
Date: Thu, 14 Mar 2024 08:12:00 -0700
Subject: [PATCH 1285/2686] Revert "kunit: memcpy: Split slow memcpy tests into
MEMCPY_SLOW_KUNIT_TEST"
This reverts commit 4acf1de35f41549e60c3c02a8defa7cb95eabdf2.
Commit d055c6a2cc16 ("kunit: memcpy: Mark tests as slow using test
attributes") marks slow memcpy unit tests as slow. Since this commit,
the tests can be disabled with a module parameter, and the configuration
option to skip the slow tests is no longer needed. Revert the patch
introducing it.
Cc: David Gow <davidgow@google.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240314151200.2285314-1-linux@roeck-us.net
Signed-off-by: Kees Cook <keescook@chromium.org>
---
lib/Kconfig.debug | 12 ------------
lib/memcpy_kunit.c | 3 ---
2 files changed, 15 deletions(-)
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 733ee2ac0138e..9ac4cb3eb20bb 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2703,18 +2703,6 @@ config MEMCPY_KUNIT_TEST
If unsure, say N.
-config MEMCPY_SLOW_KUNIT_TEST
- bool "Include exhaustive memcpy tests"
- depends on MEMCPY_KUNIT_TEST
- default y
- help
- Some memcpy tests are quite exhaustive in checking for overlaps
- and bit ranges. These can be very slow, so they are split out
- as a separate config, in case they need to be disabled.
-
- Note this config option will be replaced by the use of KUnit test
- attributes.
-
config IS_SIGNED_TYPE_KUNIT_TEST
tristate "Test is_signed_type() macro" if !KUNIT_ALL_TESTS
depends on KUNIT
diff --git a/lib/memcpy_kunit.c b/lib/memcpy_kunit.c
index 30e00ef0bf2e0..fd16e6ce53d1d 100644
--- a/lib/memcpy_kunit.c
+++ b/lib/memcpy_kunit.c
@@ -309,9 +309,6 @@ static void set_random_nonzero(struct kunit *test, u8 *byte)
static void init_large(struct kunit *test)
{
- if (!IS_ENABLED(CONFIG_MEMCPY_SLOW_KUNIT_TEST))
- kunit_skip(test, "Slow test skipped. Enable with CONFIG_MEMCPY_SLOW_KUNIT_TEST=y");
-
/* Get many bit patterns. */
get_random_bytes(large_src, ARRAY_SIZE(large_src));
--
GitLab
From dce0919c83c325ac9dec5bc8838d5de6d32c01b1 Mon Sep 17 00:00:00 2001
From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Mon, 18 Mar 2024 08:50:40 +0000
Subject: [PATCH 1286/2686] irqchip/renesas-rzg2l: Do not set TIEN and TINT
source at the same time
As per the hardware team, TIEN and TINT source should not set at the same
time due to a possible hardware race leading to spurious IRQ.
Currently on some scenarios hardware settings for TINT detection is not in
sync with TINT source as the enable/disable overrides source setting value
leading to hardware inconsistent state. For eg: consider the case GPIOINT0
is used as TINT interrupt and configuring GPIOINT5 as edge type. During
rzg2l_irq_set_type(), TINT source for GPIOINT5 is set. On disable(),
clearing of the entire bytes of TINT source selection for GPIOINT5 is same
as GPIOINT0 with TIEN disabled. Apart from this during enable(), the
setting of GPIOINT5 with TIEN results in spurious IRQ as due to a HW race,
it is possible that IP can use the TIEN with previous source value
(GPIOINT0).
So, just update TIEN during enable/disable as TINT source is already set
during rzg2l_irq_set_type(). This will make the consistent hardware
settings for detection method tied with TINT source and allows to simplify
the code.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
drivers/irqchip/irq-renesas-rzg2l.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/irqchip/irq-renesas-rzg2l.c b/drivers/irqchip/irq-renesas-rzg2l.c
index 8803facbb3a2e..ae67fec2ab468 100644
--- a/drivers/irqchip/irq-renesas-rzg2l.c
+++ b/drivers/irqchip/irq-renesas-rzg2l.c
@@ -151,7 +151,7 @@ static void rzg2l_irqc_irq_disable(struct irq_data *d)
raw_spin_lock(&priv->lock);
reg = readl_relaxed(priv->base + TSSR(tssr_index));
- reg &= ~(TSSEL_MASK << TSSEL_SHIFT(tssr_offset));
+ reg &= ~(TIEN << TSSEL_SHIFT(tssr_offset));
writel_relaxed(reg, priv->base + TSSR(tssr_index));
raw_spin_unlock(&priv->lock);
}
@@ -163,7 +163,6 @@ static void rzg2l_irqc_irq_enable(struct irq_data *d)
unsigned int hw_irq = irqd_to_hwirq(d);
if (hw_irq >= IRQC_TINT_START && hw_irq < IRQC_NUM_IRQ) {
- unsigned long tint = (uintptr_t)irq_data_get_irq_chip_data(d);
struct rzg2l_irqc_priv *priv = irq_data_to_priv(d);
u32 offset = hw_irq - IRQC_TINT_START;
u32 tssr_offset = TSSR_OFFSET(offset);
@@ -172,7 +171,7 @@ static void rzg2l_irqc_irq_enable(struct irq_data *d)
raw_spin_lock(&priv->lock);
reg = readl_relaxed(priv->base + TSSR(tssr_index));
- reg |= (TIEN | tint) << TSSEL_SHIFT(tssr_offset);
+ reg |= TIEN << TSSEL_SHIFT(tssr_offset);
writel_relaxed(reg, priv->base + TSSR(tssr_index));
raw_spin_unlock(&priv->lock);
}
--
GitLab
From e89086c43f0500bc7c4ce225495b73b8ce234c1f Mon Sep 17 00:00:00 2001
From: "Jiawei Fu (iBug)" <i@ibugone.com>
Date: Sat, 16 Mar 2024 03:27:49 +0800
Subject: [PATCH 1287/2686] drivers/nvme: Add quirks for device 126f:2262
This commit adds NVME_QUIRK_NO_DEEPEST_PS and NVME_QUIRK_BOGUS_NID for
device [126f:2262], which appears to be a generic VID:PID pair used for
many SSDs based on the Silicon Motion SM2262/SM2262EN controller.
Two of my SSDs with this VID:PID pair exhibit the same behavior:
* They frequently have trouble exiting the deepest power state (5),
resulting in the entire disk unresponsive.
Verified by setting nvme_core.default_ps_max_latency_us=10000 and
observing them behaving normally.
* They produce all-zero nguid and eui64 with `nvme id-ns` command.
The offending products are:
* HP SSD EX950 1TB
* HIKVISION C2000Pro 2TB
Signed-off-by: Jiawei Fu <i@ibugone.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/pci.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index e6267a6aa3801..8e0bb9692685d 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3363,6 +3363,9 @@ static const struct pci_device_id nvme_id_table[] = {
NVME_QUIRK_BOGUS_NID, },
{ PCI_VDEVICE(REDHAT, 0x0010), /* Qemu emulated controller */
.driver_data = NVME_QUIRK_BOGUS_NID, },
+ { PCI_DEVICE(0x126f, 0x2262), /* Silicon Motion generic */
+ .driver_data = NVME_QUIRK_NO_DEEPEST_PS |
+ NVME_QUIRK_BOGUS_NID, },
{ PCI_DEVICE(0x126f, 0x2263), /* Silicon Motion unidentified */
.driver_data = NVME_QUIRK_NO_NS_DESC_LIST |
NVME_QUIRK_BOGUS_NID, },
--
GitLab
From ec58afb49e90d6fd468b0e21d2de324dff1a711c Mon Sep 17 00:00:00 2001
From: Li Feng <fengli@smartx.com>
Date: Wed, 13 Mar 2024 20:38:09 +0800
Subject: [PATCH 1288/2686] nvme-tcp: Export the nvme_tcp_wq to sysfs
Make the workqueue userspace visible for easy viewing and configuration.
Signed-off-by: Li Feng <fengli@smartx.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/tcp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index a6d596e056021..2ec1186db0a32 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -2800,7 +2800,7 @@ static int __init nvme_tcp_init_module(void)
BUILD_BUG_ON(sizeof(struct nvme_tcp_term_pdu) != 24);
nvme_tcp_wq = alloc_workqueue("nvme_tcp_wq",
- WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);
+ WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_SYSFS, 0);
if (!nvme_tcp_wq)
return -ENOMEM;
--
GitLab
From 0c29f9fa46bbe4fdc218134823d80cf9934ef231 Mon Sep 17 00:00:00 2001
From: Li Feng <fengli@smartx.com>
Date: Wed, 13 Mar 2024 20:38:10 +0800
Subject: [PATCH 1289/2686] nvme/tcp: Add wq_unbound modparam for nvme_tcp_wq
The default nvme_tcp_wq will use all CPUs to process tasks. Sometimes it is
necessary to set CPU affinity to improve performance.
A new module parameter wq_unbound is added here. If set to true, users can
configure cpu affinity through
/sys/devices/virtual/workqueue/nvme_tcp_wq/cpumask.
Signed-off-by: Li Feng <fengli@smartx.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/tcp.c | 21 ++++++++++++++++++---
1 file changed, 18 insertions(+), 3 deletions(-)
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index 2ec1186db0a32..34a882b2ec53d 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -36,6 +36,14 @@ static int so_priority;
module_param(so_priority, int, 0644);
MODULE_PARM_DESC(so_priority, "nvme tcp socket optimize priority");
+/*
+ * Use the unbound workqueue for nvme_tcp_wq, then we can set the cpu affinity
+ * from sysfs.
+ */
+static bool wq_unbound;
+module_param(wq_unbound, bool, 0644);
+MODULE_PARM_DESC(wq_unbound, "Use unbound workqueue for nvme-tcp IO context (default false)");
+
/*
* TLS handshake timeout
*/
@@ -1551,7 +1559,10 @@ static void nvme_tcp_set_queue_io_cpu(struct nvme_tcp_queue *queue)
else if (nvme_tcp_poll_queue(queue))
n = qid - ctrl->io_queues[HCTX_TYPE_DEFAULT] -
ctrl->io_queues[HCTX_TYPE_READ] - 1;
- queue->io_cpu = cpumask_next_wrap(n - 1, cpu_online_mask, -1, false);
+ if (wq_unbound)
+ queue->io_cpu = WORK_CPU_UNBOUND;
+ else
+ queue->io_cpu = cpumask_next_wrap(n - 1, cpu_online_mask, -1, false);
}
static void nvme_tcp_tls_done(void *data, int status, key_serial_t pskid)
@@ -2790,6 +2801,8 @@ static struct nvmf_transport_ops nvme_tcp_transport = {
static int __init nvme_tcp_init_module(void)
{
+ unsigned int wq_flags = WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_SYSFS;
+
BUILD_BUG_ON(sizeof(struct nvme_tcp_hdr) != 8);
BUILD_BUG_ON(sizeof(struct nvme_tcp_cmd_pdu) != 72);
BUILD_BUG_ON(sizeof(struct nvme_tcp_data_pdu) != 24);
@@ -2799,8 +2812,10 @@ static int __init nvme_tcp_init_module(void)
BUILD_BUG_ON(sizeof(struct nvme_tcp_icresp_pdu) != 128);
BUILD_BUG_ON(sizeof(struct nvme_tcp_term_pdu) != 24);
- nvme_tcp_wq = alloc_workqueue("nvme_tcp_wq",
- WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_SYSFS, 0);
+ if (wq_unbound)
+ wq_flags |= WQ_UNBOUND;
+
+ nvme_tcp_wq = alloc_workqueue("nvme_tcp_wq", wq_flags, 0);
if (!nvme_tcp_wq)
return -ENOMEM;
--
GitLab
From 09927e7ef11fe65a9cc38b6f74a9d6dba31c8c25 Mon Sep 17 00:00:00 2001
From: Xiubo Li <xiubli@redhat.com>
Date: Wed, 17 Jan 2024 12:42:11 +0800
Subject: [PATCH 1290/2686] ceph: break the check delayed cap loop every 5s
In some cases this may take a long time and will block renewing
the caps to MDS.
[ idryomov: massage comment ]
Link: https://tracker.ceph.com/issues/50223#note-21
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
fs/ceph/caps.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 7fb4aae974124..55051ad09c191 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -4634,6 +4634,14 @@ unsigned long ceph_check_delayed_caps(struct ceph_mds_client *mdsc)
iput(inode);
spin_lock(&mdsc->cap_delay_lock);
}
+
+ /*
+ * Make sure too many dirty caps or general
+ * slowness doesn't block mdsc delayed work,
+ * preventing send_renew_caps() from running.
+ */
+ if (jiffies - loop_start >= 5 * HZ)
+ break;
}
spin_unlock(&mdsc->cap_delay_lock);
doutc(cl, "done\n");
--
GitLab
From a8922f79671f0e81c6e4fe8d2fc6cae0cd32cd7a Mon Sep 17 00:00:00 2001
From: Chengming Zhou <zhouchengming@bytedance.com>
Date: Sat, 24 Feb 2024 13:47:15 +0000
Subject: [PATCH 1291/2686] ceph: remove SLAB_MEM_SPREAD flag usage
The SLAB_MEM_SPREAD flag used to be implemented in SLAB, which was
removed as of v6.8-rc1, so it became a dead flag since the commit
16a1d968358a ("mm/slab: remove mm/slab.c and slab_def.h"). And the
series [1] went on to mark it obsolete to avoid confusion for users.
Here we can just remove all its users, which has no functional change.
[1] https://lore.kernel.org/all/20240223-slab-cleanup-flags-v2-1-02f1753e8303@suse.cz/
Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
fs/ceph/super.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 5ec102f6b1ac5..4dcbbaa297f67 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -928,36 +928,36 @@ static int __init init_caches(void)
ceph_inode_cachep = kmem_cache_create("ceph_inode_info",
sizeof(struct ceph_inode_info),
__alignof__(struct ceph_inode_info),
- SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD|
- SLAB_ACCOUNT, ceph_inode_init_once);
+ SLAB_RECLAIM_ACCOUNT|SLAB_ACCOUNT,
+ ceph_inode_init_once);
if (!ceph_inode_cachep)
return -ENOMEM;
- ceph_cap_cachep = KMEM_CACHE(ceph_cap, SLAB_MEM_SPREAD);
+ ceph_cap_cachep = KMEM_CACHE(ceph_cap, 0);
if (!ceph_cap_cachep)
goto bad_cap;
- ceph_cap_snap_cachep = KMEM_CACHE(ceph_cap_snap, SLAB_MEM_SPREAD);
+ ceph_cap_snap_cachep = KMEM_CACHE(ceph_cap_snap, 0);
if (!ceph_cap_snap_cachep)
goto bad_cap_snap;
ceph_cap_flush_cachep = KMEM_CACHE(ceph_cap_flush,
- SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD);
+ SLAB_RECLAIM_ACCOUNT);
if (!ceph_cap_flush_cachep)
goto bad_cap_flush;
ceph_dentry_cachep = KMEM_CACHE(ceph_dentry_info,
- SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD);
+ SLAB_RECLAIM_ACCOUNT);
if (!ceph_dentry_cachep)
goto bad_dentry;
- ceph_file_cachep = KMEM_CACHE(ceph_file_info, SLAB_MEM_SPREAD);
+ ceph_file_cachep = KMEM_CACHE(ceph_file_info, 0);
if (!ceph_file_cachep)
goto bad_file;
- ceph_dir_file_cachep = KMEM_CACHE(ceph_dir_file_info, SLAB_MEM_SPREAD);
+ ceph_dir_file_cachep = KMEM_CACHE(ceph_dir_file_info, 0);
if (!ceph_dir_file_cachep)
goto bad_dir_file;
- ceph_mds_request_cachep = KMEM_CACHE(ceph_mds_request, SLAB_MEM_SPREAD);
+ ceph_mds_request_cachep = KMEM_CACHE(ceph_mds_request, 0);
if (!ceph_mds_request_cachep)
goto bad_mds_req;
--
GitLab
From cf6d79a0f5769b5f4d9579ddaf88d2c30b03b873 Mon Sep 17 00:00:00 2001
From: Adam Butcher <adam@jessamine.co.uk>
Date: Mon, 18 Mar 2024 17:50:52 +0000
Subject: [PATCH 1292/2686] spi: spi-imx: fix off-by-one in mx51 CPU mode burst
length
c712c05e46c8 ("spi: imx: fix the burst length at DMA mode and CPU mode")
corrects three cases of setting the ECSPI burst length but erroneously
leaves the in-range CPU case one bit to big (in that field a value of
0 means 1 bit). The effect was that transmissions that should have been
8-bit bytes appeared as 9-bit causing failed communication with SPI
devices.
Link: https://lore.kernel.org/all/20240201105451.507005-1-carlos.song@nxp.com/
Link: https://lore.kernel.org/all/20240204091912.36488-1-carlos.song@nxp.com/
Fixes: c712c05e46c8 ("spi: imx: fix the burst length at DMA mode and CPU mode")
Signed-off-by: Adam Butcher <adam@jessamine.co.uk>
Link: https://msgid.link/r/20240318175119.3334-1-adam@jessamine.co.uk
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-imx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 833a1bb7a9143..c3e5cee18bea7 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -668,8 +668,8 @@ static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx,
ctrl |= (MX51_ECSPI_CTRL_MAX_BURST * BITS_PER_BYTE - 1)
<< MX51_ECSPI_CTRL_BL_OFFSET;
else
- ctrl |= spi_imx->count / DIV_ROUND_UP(spi_imx->bits_per_word,
- BITS_PER_BYTE) * spi_imx->bits_per_word
+ ctrl |= (spi_imx->count / DIV_ROUND_UP(spi_imx->bits_per_word,
+ BITS_PER_BYTE) * spi_imx->bits_per_word - 1)
<< MX51_ECSPI_CTRL_BL_OFFSET;
}
}
--
GitLab
From eac03d81cdd941358511ffb8c19bd7d384874430 Mon Sep 17 00:00:00 2001
From: Purna Pavan Chandra Aekkaladevi <paekkaladevi@linux.microsoft.com>
Date: Mon, 18 Mar 2024 05:09:11 -0700
Subject: [PATCH 1293/2686] x86/hyperv: Cosmetic changes for hv_spinlock.c
Fix issues reported by checkpatch.pl script for hv_spinlock.c file.
- Place __initdata after variable name
- Add missing blank line after enum declaration
No functional changes intended.
Signed-off-by: Purna Pavan Chandra Aekkaladevi <paekkaladevi@linux.microsoft.com>
Reviewed-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Link: https://lore.kernel.org/r/1710763751-14137-1-git-send-email-paekkaladevi@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1710763751-14137-1-git-send-email-paekkaladevi@linux.microsoft.com>
---
arch/x86/hyperv/hv_spinlock.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/hyperv/hv_spinlock.c b/arch/x86/hyperv/hv_spinlock.c
index 737d6f7a61553..151e851bef09d 100644
--- a/arch/x86/hyperv/hv_spinlock.c
+++ b/arch/x86/hyperv/hv_spinlock.c
@@ -16,7 +16,7 @@
#include <asm/paravirt.h>
#include <asm/apic.h>
-static bool __initdata hv_pvspin = true;
+static bool hv_pvspin __initdata = true;
static void hv_qlock_kick(int cpu)
{
@@ -64,6 +64,7 @@ __visible bool hv_vcpu_is_preempted(int vcpu)
{
return false;
}
+
PV_CALLEE_SAVE_REGS_THUNK(hv_vcpu_is_preempted);
void __init hv_init_spinlocks(void)
--
GitLab
From f2580a907e5c0e8fc9354fd095b011301c64f949 Mon Sep 17 00:00:00 2001
From: Michael Kelley <mhklinux@outlook.com>
Date: Mon, 18 Mar 2024 08:54:08 -0700
Subject: [PATCH 1294/2686] x86/hyperv: Use Hyper-V entropy to seed guest
random number generator
A Hyper-V host provides its guest VMs with entropy in a custom ACPI
table named "OEM0". The entropy bits are updated each time Hyper-V
boots the VM, and are suitable for seeding the Linux guest random
number generator (rng). See a brief description of OEM0 in [1].
Generation 2 VMs on Hyper-V use UEFI to boot. Existing EFI code in
Linux seeds the rng with entropy bits from the EFI_RNG_PROTOCOL.
Via this path, the rng is seeded very early during boot with good
entropy. The ACPI OEM0 table provided in such VMs is an additional
source of entropy.
Generation 1 VMs on Hyper-V boot from BIOS. For these VMs, Linux
doesn't currently get any entropy from the Hyper-V host. While this
is not fundamentally broken because Linux can generate its own entropy,
using the Hyper-V host provided entropy would get the rng off to a
better start and would do so earlier in the boot process.
Improve the rng seeding for Generation 1 VMs by having Hyper-V specific
code in Linux take advantage of the OEM0 table to seed the rng. For
Generation 2 VMs, use the OEM0 table to provide additional entropy
beyond the EFI_RNG_PROTOCOL. Because the OEM0 table is custom to
Hyper-V, parse it directly in the Hyper-V code in the Linux kernel
and use add_bootloader_randomness() to add it to the rng. Once the
entropy bits are read from OEM0, zero them out in the table so
they don't appear in /sys/firmware/acpi/tables/OEM0 in the running
VM. The zero'ing is done out of an abundance of caution to avoid
potential security risks to the rng. Also set the OEM0 data length
to zero so a kexec or other subsequent use of the table won't try
to use the zero'ed bits.
[1] https://download.microsoft.com/download/1/c/9/1c9813b8-089c-4fef-b2ad-ad80e79403ba/Whitepaper%20-%20The%20Windows%2010%20random%20number%20generation%20infrastructure.pdf
Signed-off-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Link: https://lore.kernel.org/r/20240318155408.216851-1-mhklinux@outlook.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20240318155408.216851-1-mhklinux@outlook.com>
---
arch/arm64/hyperv/mshyperv.c | 2 +
arch/x86/kernel/cpu/mshyperv.c | 1 +
drivers/hv/hv_common.c | 69 ++++++++++++++++++++++++++++++++++
include/asm-generic/mshyperv.h | 2 +
4 files changed, 74 insertions(+)
diff --git a/arch/arm64/hyperv/mshyperv.c b/arch/arm64/hyperv/mshyperv.c
index 03ac88bb9d10e..b1a4de4eee293 100644
--- a/arch/arm64/hyperv/mshyperv.c
+++ b/arch/arm64/hyperv/mshyperv.c
@@ -72,6 +72,8 @@ static int __init hyperv_init(void)
return ret;
}
+ ms_hyperv_late_init();
+
hyperv_initialized = true;
return 0;
}
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 909a6236a4c0d..faf438dce9db4 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -639,6 +639,7 @@ const __initconst struct hypervisor_x86 x86_hyper_ms_hyperv = {
.init.x2apic_available = ms_hyperv_x2apic_available,
.init.msi_ext_dest_id = ms_hyperv_msi_ext_dest_id,
.init.init_platform = ms_hyperv_init_platform,
+ .init.guest_late_init = ms_hyperv_late_init,
#ifdef CONFIG_AMD_MEM_ENCRYPT
.runtime.sev_es_hcall_prepare = hv_sev_es_hcall_prepare,
.runtime.sev_es_hcall_finish = hv_sev_es_hcall_finish,
diff --git a/drivers/hv/hv_common.c b/drivers/hv/hv_common.c
index 5d64cb0a709d1..dde3f9b6871af 100644
--- a/drivers/hv/hv_common.c
+++ b/drivers/hv/hv_common.c
@@ -20,8 +20,11 @@
#include <linux/sched/task_stack.h>
#include <linux/panic_notifier.h>
#include <linux/ptrace.h>
+#include <linux/random.h>
+#include <linux/efi.h>
#include <linux/kdebug.h>
#include <linux/kmsg_dump.h>
+#include <linux/sizes.h>
#include <linux/slab.h>
#include <linux/dma-map-ops.h>
#include <linux/set_memory.h>
@@ -355,6 +358,72 @@ int __init hv_common_init(void)
return 0;
}
+void __init ms_hyperv_late_init(void)
+{
+ struct acpi_table_header *header;
+ acpi_status status;
+ u8 *randomdata;
+ u32 length, i;
+
+ /*
+ * Seed the Linux random number generator with entropy provided by
+ * the Hyper-V host in ACPI table OEM0.
+ */
+ if (!IS_ENABLED(CONFIG_ACPI))
+ return;
+
+ status = acpi_get_table("OEM0", 0, &header);
+ if (ACPI_FAILURE(status) || !header)
+ return;
+
+ /*
+ * Since the "OEM0" table name is for OEM specific usage, verify
+ * that what we're seeing purports to be from Microsoft.
+ */
+ if (strncmp(header->oem_table_id, "MICROSFT", 8))
+ goto error;
+
+ /*
+ * Ensure the length is reasonable. Requiring at least 8 bytes and
+ * no more than 4K bytes is somewhat arbitrary and just protects
+ * against a malformed table. Hyper-V currently provides 64 bytes,
+ * but allow for a change in a later version.
+ */
+ if (header->length < sizeof(*header) + 8 ||
+ header->length > sizeof(*header) + SZ_4K)
+ goto error;
+
+ length = header->length - sizeof(*header);
+ randomdata = (u8 *)(header + 1);
+
+ pr_debug("Hyper-V: Seeding rng with %d random bytes from ACPI table OEM0\n",
+ length);
+
+ add_bootloader_randomness(randomdata, length);
+
+ /*
+ * To prevent the seed data from being visible in /sys/firmware/acpi,
+ * zero out the random data in the ACPI table and fixup the checksum.
+ * The zero'ing is done out of an abundance of caution in avoiding
+ * potential security risks to the rng. Similarly, reset the table
+ * length to just the header size so that a subsequent kexec doesn't
+ * try to use the zero'ed out random data.
+ */
+ for (i = 0; i < length; i++) {
+ header->checksum += randomdata[i];
+ randomdata[i] = 0;
+ }
+
+ for (i = 0; i < sizeof(header->length); i++)
+ header->checksum += ((u8 *)&header->length)[i];
+ header->length = sizeof(*header);
+ for (i = 0; i < sizeof(header->length); i++)
+ header->checksum -= ((u8 *)&header->length)[i];
+
+error:
+ acpi_put_table(header);
+}
+
/*
* Hyper-V specific initialization and die code for
* individual CPUs that is common across all architectures.
diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
index 452b7c089b716..99935779682dc 100644
--- a/include/asm-generic/mshyperv.h
+++ b/include/asm-generic/mshyperv.h
@@ -195,6 +195,7 @@ extern u64 (*hv_read_reference_counter)(void);
int __init hv_common_init(void);
void __init hv_common_free(void);
+void __init ms_hyperv_late_init(void);
int hv_common_cpu_init(unsigned int cpu);
int hv_common_cpu_die(unsigned int cpu);
@@ -292,6 +293,7 @@ void hv_setup_dma_ops(struct device *dev, bool coherent);
static inline bool hv_is_hyperv_initialized(void) { return false; }
static inline bool hv_is_hibernation_supported(void) { return false; }
static inline void hyperv_cleanup(void) {}
+static inline void ms_hyperv_late_init(void) {}
static inline bool hv_is_isolation_supported(void) { return false; }
static inline enum hv_isolation_type hv_get_isolation_type(void)
{
--
GitLab
From f3c80061c0d35c60709088ccb019305796d3f6ff Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Fri, 9 Feb 2024 13:37:33 -0500
Subject: [PATCH 1295/2686] KVM: SEV: fix compat ABI for KVM_MEMORY_ENCRYPT_OP
The data structs for KVM_MEMORY_ENCRYPT_OP have different sizes for 32- and 64-bit
userspace, but they do not make any attempt to convert from one ABI to the other
when 32-bit userspace is running on 64-bit kernels. This configuration never
worked, and SEV is only for 64-bit kernels so we're not breaking ABI on 32-bit
kernels.
Fix this by adding the appropriate padding; no functional change intended
for 64-bit userspace.
Reviewed-by: Michael Roth <michael.roth@amd.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
arch/x86/include/uapi/asm/kvm.h | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h
index ad29984d5e398..ef11aa4cab425 100644
--- a/arch/x86/include/uapi/asm/kvm.h
+++ b/arch/x86/include/uapi/asm/kvm.h
@@ -694,6 +694,7 @@ enum sev_cmd_id {
struct kvm_sev_cmd {
__u32 id;
+ __u32 pad0;
__u64 data;
__u32 error;
__u32 sev_fd;
@@ -704,28 +705,35 @@ struct kvm_sev_launch_start {
__u32 policy;
__u64 dh_uaddr;
__u32 dh_len;
+ __u32 pad0;
__u64 session_uaddr;
__u32 session_len;
+ __u32 pad1;
};
struct kvm_sev_launch_update_data {
__u64 uaddr;
__u32 len;
+ __u32 pad0;
};
struct kvm_sev_launch_secret {
__u64 hdr_uaddr;
__u32 hdr_len;
+ __u32 pad0;
__u64 guest_uaddr;
__u32 guest_len;
+ __u32 pad1;
__u64 trans_uaddr;
__u32 trans_len;
+ __u32 pad2;
};
struct kvm_sev_launch_measure {
__u64 uaddr;
__u32 len;
+ __u32 pad0;
};
struct kvm_sev_guest_status {
@@ -738,33 +746,43 @@ struct kvm_sev_dbg {
__u64 src_uaddr;
__u64 dst_uaddr;
__u32 len;
+ __u32 pad0;
};
struct kvm_sev_attestation_report {
__u8 mnonce[16];
__u64 uaddr;
__u32 len;
+ __u32 pad0;
};
struct kvm_sev_send_start {
__u32 policy;
+ __u32 pad0;
__u64 pdh_cert_uaddr;
__u32 pdh_cert_len;
+ __u32 pad1;
__u64 plat_certs_uaddr;
__u32 plat_certs_len;
+ __u32 pad2;
__u64 amd_certs_uaddr;
__u32 amd_certs_len;
+ __u32 pad3;
__u64 session_uaddr;
__u32 session_len;
+ __u32 pad4;
};
struct kvm_sev_send_update_data {
__u64 hdr_uaddr;
__u32 hdr_len;
+ __u32 pad0;
__u64 guest_uaddr;
__u32 guest_len;
+ __u32 pad1;
__u64 trans_uaddr;
__u32 trans_len;
+ __u32 pad2;
};
struct kvm_sev_receive_start {
@@ -772,17 +790,22 @@ struct kvm_sev_receive_start {
__u32 policy;
__u64 pdh_uaddr;
__u32 pdh_len;
+ __u32 pad0;
__u64 session_uaddr;
__u32 session_len;
+ __u32 pad1;
};
struct kvm_sev_receive_update_data {
__u64 hdr_uaddr;
__u32 hdr_len;
+ __u32 pad0;
__u64 guest_uaddr;
__u32 guest_len;
+ __u32 pad1;
__u64 trans_uaddr;
__u32 trans_len;
+ __u32 pad2;
};
#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
--
GitLab
From 19cebbab995b2c99e927d6c5f3f24ded0740efd5 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Fri, 9 Feb 2024 13:37:35 -0500
Subject: [PATCH 1296/2686] Documentation: kvm/sev: separate description of
firmware
The description of firmware is included part under the "SEV Key Management"
header, part under the KVM_SEV_INIT ioctl. Put these two bits together and
and rename "SEV Key Management" to what it actually is, namely a description
of the KVM_MEMORY_ENCRYPT_OP API.
Reviewed-by: Michael Roth <michael.roth@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
.../virt/kvm/x86/amd-memory-encryption.rst | 29 +++++++++++--------
1 file changed, 17 insertions(+), 12 deletions(-)
diff --git a/Documentation/virt/kvm/x86/amd-memory-encryption.rst b/Documentation/virt/kvm/x86/amd-memory-encryption.rst
index 995780088eb23..4f2eb441c718f 100644
--- a/Documentation/virt/kvm/x86/amd-memory-encryption.rst
+++ b/Documentation/virt/kvm/x86/amd-memory-encryption.rst
@@ -46,14 +46,8 @@ SEV hardware uses ASIDs to associate a memory encryption key with a VM.
Hence, the ASID for the SEV-enabled guests must be from 1 to a maximum value
defined in the CPUID 0x8000001f[ecx] field.
-SEV Key Management
-==================
-
-The SEV guest key management is handled by a separate processor called the AMD
-Secure Processor (AMD-SP). Firmware running inside the AMD-SP provides a secure
-key management interface to perform common hypervisor activities such as
-encrypting bootstrap code, snapshot, migrating and debugging the guest. For more
-information, see the SEV Key Management spec [api-spec]_
+The KVM_MEMORY_ENCRYPT_OP ioctl
+===============================
The main ioctl to access SEV is KVM_MEMORY_ENCRYPT_OP. If the argument
to KVM_MEMORY_ENCRYPT_OP is NULL, the ioctl returns 0 if SEV is enabled
@@ -87,10 +81,6 @@ guests, such as launching, running, snapshotting, migrating and decommissioning.
The KVM_SEV_INIT command is used by the hypervisor to initialize the SEV platform
context. In a typical workflow, this command should be the first command issued.
-The firmware can be initialized either by using its own non-volatile storage or
-the OS can manage the NV storage for the firmware using the module parameter
-``init_ex_path``. If the file specified by ``init_ex_path`` does not exist or
-is invalid, the OS will create or override the file with output from PSP.
Returns: 0 on success, -negative on error
@@ -434,6 +424,21 @@ issued by the hypervisor to make the guest ready for execution.
Returns: 0 on success, -negative on error
+Firmware Management
+===================
+
+The SEV guest key management is handled by a separate processor called the AMD
+Secure Processor (AMD-SP). Firmware running inside the AMD-SP provides a secure
+key management interface to perform common hypervisor activities such as
+encrypting bootstrap code, snapshot, migrating and debugging the guest. For more
+information, see the SEV Key Management spec [api-spec]_
+
+The AMD-SP firmware can be initialized either by using its own non-volatile
+storage or the OS can manage the NV storage for the firmware using
+parameter ``init_ex_path`` of the ``ccp`` module. If the file specified
+by ``init_ex_path`` does not exist or is invalid, the OS will create or
+override the file with PSP non-volatile storage.
+
References
==========
--
GitLab
From c20722c412f1cc1879e994fe169278bd0f322ad9 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Mon, 18 Mar 2024 12:11:41 -0400
Subject: [PATCH 1297/2686] Documentation: kvm/sev: clarify usage of
KVM_MEMORY_ENCRYPT_OP
Explain that it operates on the VM file descriptor, and also clarify how
detection of SEV operates on old kernels predating commit 2da1ed62d55c
("KVM: SVM: document KVM_MEM_ENCRYPT_OP, let userspace detect if SEV
is available").
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
.../virt/kvm/x86/amd-memory-encryption.rst | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/Documentation/virt/kvm/x86/amd-memory-encryption.rst b/Documentation/virt/kvm/x86/amd-memory-encryption.rst
index 4f2eb441c718f..84335d119ff13 100644
--- a/Documentation/virt/kvm/x86/amd-memory-encryption.rst
+++ b/Documentation/virt/kvm/x86/amd-memory-encryption.rst
@@ -49,12 +49,13 @@ defined in the CPUID 0x8000001f[ecx] field.
The KVM_MEMORY_ENCRYPT_OP ioctl
===============================
-The main ioctl to access SEV is KVM_MEMORY_ENCRYPT_OP. If the argument
-to KVM_MEMORY_ENCRYPT_OP is NULL, the ioctl returns 0 if SEV is enabled
-and ``ENOTTY`` if it is disabled (on some older versions of Linux,
-the ioctl runs normally even with a NULL argument, and therefore will
-likely return ``EFAULT``). If non-NULL, the argument to KVM_MEMORY_ENCRYPT_OP
-must be a struct kvm_sev_cmd::
+The main ioctl to access SEV is KVM_MEMORY_ENCRYPT_OP, which operates on
+the VM file descriptor. If the argument to KVM_MEMORY_ENCRYPT_OP is NULL,
+the ioctl returns 0 if SEV is enabled and ``ENOTTY`` if it is disabled
+(on some older versions of Linux, the ioctl tries to run normally even
+with a NULL argument, and therefore will likely return ``EFAULT`` instead
+of zero if SEV is enabled). If non-NULL, the argument to
+KVM_MEMORY_ENCRYPT_OP must be a struct kvm_sev_cmd::
struct kvm_sev_cmd {
__u32 id;
--
GitLab
From 807f96abdf14c80f534c78f2d854c2590963345c Mon Sep 17 00:00:00 2001
From: Arthur Grillo <arthurgrillo@riseup.net>
Date: Sat, 16 Mar 2024 13:25:20 -0300
Subject: [PATCH 1298/2686] drm: Fix drm_fixp2int_round() making it add 0.5
As well noted by Pekka[1], the rounding of drm_fixp2int_round is wrong.
To round a number, you need to add 0.5 to the number and floor that,
drm_fixp2int_round() is adding 0.0000076. Make it add 0.5.
[1]: https://lore.kernel.org/all/20240301135327.22efe0dd.pekka.paalanen@collabora.com/
Fixes: 8b25320887d7 ("drm: Add fixed-point helper to get rounded integer values")
Suggested-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Arthur Grillo <arthurgrillo@riseup.net>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240316-drm_fixed-v2-1-c1bc2665b5ed@riseup.net
---
include/drm/drm_fixed.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/include/drm/drm_fixed.h b/include/drm/drm_fixed.h
index 0c9f917a4d4be..81572d32db0c2 100644
--- a/include/drm/drm_fixed.h
+++ b/include/drm/drm_fixed.h
@@ -71,7 +71,6 @@ static inline u32 dfixed_div(fixed20_12 A, fixed20_12 B)
}
#define DRM_FIXED_POINT 32
-#define DRM_FIXED_POINT_HALF 16
#define DRM_FIXED_ONE (1ULL << DRM_FIXED_POINT)
#define DRM_FIXED_DECIMAL_MASK (DRM_FIXED_ONE - 1)
#define DRM_FIXED_DIGITS_MASK (~DRM_FIXED_DECIMAL_MASK)
@@ -90,7 +89,7 @@ static inline int drm_fixp2int(s64 a)
static inline int drm_fixp2int_round(s64 a)
{
- return drm_fixp2int(a + (1 << (DRM_FIXED_POINT_HALF - 1)));
+ return drm_fixp2int(a + DRM_FIXED_ONE / 2);
}
static inline int drm_fixp2int_ceil(s64 a)
--
GitLab
From 50171b8667733146f139c773d8f00866ceb4cee4 Mon Sep 17 00:00:00 2001
From: Yufeng Wang <wangyufeng@kylinos.cn>
Date: Tue, 19 Mar 2024 09:42:19 +0800
Subject: [PATCH 1299/2686] floppy: remove duplicated code in redo_fd_request()
duplicated code in redo_fd_request(),
unlock_fdc() function has the same code "do_floppy = NULL" inside.
Signed-off-by: Yufeng Wang <wangyufeng@kylinos.cn>
Suggested-by: Denis Efremov <efremov@linux.com>
Link: https://lore.kernel.org/r/20240319014219.7812-1-wangyufeng@kylinos.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
drivers/block/floppy.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 1b399ec8c07d1..25c9d85667f1a 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -2787,7 +2787,6 @@ static void redo_fd_request(void)
pending = set_next_request();
spin_unlock_irq(&floppy_lock);
if (!pending) {
- do_floppy = NULL;
unlock_fdc();
return;
}
--
GitLab
From 1251d2025c3e1bcf1f17ec0f3c0dfae5e5bbb146 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Mon, 18 Mar 2024 20:22:42 -0600
Subject: [PATCH 1300/2686] io_uring/sqpoll: early exit thread if task_context
wasn't allocated
Ideally we'd want to simply kill the task rather than wake it, but for
now let's just add a startup check that causes the thread to exit.
This can only happen if io_uring_alloc_task_context() fails, which
generally requires fault injection.
Reported-by: Ubisectech Sirius <bugreport@ubisectech.com>
Fixes: af5d68f8892f ("io_uring/sqpoll: manage task_work privately")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/sqpoll.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/io_uring/sqpoll.c b/io_uring/sqpoll.c
index 363052b4ea76a..3983708cef5b4 100644
--- a/io_uring/sqpoll.c
+++ b/io_uring/sqpoll.c
@@ -274,6 +274,10 @@ static int io_sq_thread(void *data)
char buf[TASK_COMM_LEN];
DEFINE_WAIT(wait);
+ /* offload context creation failed, just exit */
+ if (!current->io_uring)
+ goto err_out;
+
snprintf(buf, sizeof(buf), "iou-sqp-%d", sqd->task_pid);
set_task_comm(current, buf);
@@ -371,7 +375,7 @@ static int io_sq_thread(void *data)
atomic_or(IORING_SQ_NEED_WAKEUP, &ctx->rings->sq_flags);
io_run_task_work();
mutex_unlock(&sqd->lock);
-
+err_out:
complete(&sqd->exited);
do_exit(0);
}
--
GitLab
From 8b5db5e5337ecb0a7954c39020861867a85b6206 Mon Sep 17 00:00:00 2001
From: Huacai Chen <chenhuacai@loongson.cn>
Date: Tue, 19 Mar 2024 15:50:27 +0800
Subject: [PATCH 1301/2686] LoongArch: Select ARCH_HAS_CURRENT_STACK_POINTER in
Kconfig
LoongArch has implemented the current_stack_pointer macro, so select
ARCH_HAS_CURRENT_STACK_POINTER in Kconfig. This will let it be used in
non-arch places (like HARDENED_USERCOPY).
Reviewed-by: Guo Ren <guoren@kernel.org>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index 99a0a15ce5f7c..6df2b421895a1 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -15,6 +15,7 @@ config LOONGARCH
select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
select ARCH_HAS_CPU_FINALIZE_INIT
+ select ARCH_HAS_CURRENT_STACK_POINTER
select ARCH_HAS_FORTIFY_SOURCE
select ARCH_HAS_KCOV
select ARCH_HAS_NMI_SAFE_THIS_CPU_OPS
--
GitLab
From f48ad26e5e57016b447461f22ecf7c3ed8337353 Mon Sep 17 00:00:00 2001
From: Huacai Chen <chenhuacai@loongson.cn>
Date: Tue, 19 Mar 2024 15:50:34 +0800
Subject: [PATCH 1302/2686] LoongArch: Select HAVE_ARCH_USERFAULTFD_MINOR in
Kconfig
This allocates the VM flag needed to support the userfaultfd minor fault
functionality. See commit 7677f7fd8be7665 ("userfaultfd: add minor fault
registration mode") for more information.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index 6df2b421895a1..526a88598fbfc 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -105,6 +105,7 @@ config LOONGARCH
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
select HAVE_ARCH_TRANSPARENT_HUGEPAGE
+ select HAVE_ARCH_USERFAULTFD_MINOR if USERFAULTFD
select HAVE_ASM_MODVERSIONS
select HAVE_CONTEXT_TRACKING_USER
select HAVE_C_RECORDMCOUNT
--
GitLab
From c87e12e0e8c1241410e758e181ca6bf23efa5b5b Mon Sep 17 00:00:00 2001
From: Huacai Chen <chenhuacai@loongson.cn>
Date: Tue, 19 Mar 2024 15:50:34 +0800
Subject: [PATCH 1303/2686] LoongArch: Change __my_cpu_offset definition to
avoid mis-optimization
From GCC commit 3f13154553f8546a ("df-scan: remove ad-hoc handling of
global regs in asms"), global registers will no longer be forced to add
to the def-use chain. Then current_thread_info(), current_stack_pointer
and __my_cpu_offset may be lifted out of the loop because they are no
longer treated as "volatile variables".
This optimization is still correct for the current_thread_info() and
current_stack_pointer usages because they are associated to a thread.
However it is wrong for __my_cpu_offset because it is associated to a
CPU rather than a thread: if the thread migrates to a different CPU in
the loop, __my_cpu_offset should be changed.
Change __my_cpu_offset definition to treat it as a "volatile variable",
in order to avoid such a mis-optimization.
Cc: stable@vger.kernel.org
Reported-by: Xiaotian Wu <wuxiaotian@loongson.cn>
Reported-by: Miao Wang <shankerwangmiao@gmail.com>
Signed-off-by: Xing Li <lixing@loongson.cn>
Signed-off-by: Hongchen Zhang <zhanghongchen@loongson.cn>
Signed-off-by: Rui Wang <wangrui@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/include/asm/percpu.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/loongarch/include/asm/percpu.h b/arch/loongarch/include/asm/percpu.h
index 9b36ac003f890..8f290e5546cf7 100644
--- a/arch/loongarch/include/asm/percpu.h
+++ b/arch/loongarch/include/asm/percpu.h
@@ -29,7 +29,12 @@ static inline void set_my_cpu_offset(unsigned long off)
__my_cpu_offset = off;
csr_write64(off, PERCPU_BASE_KS);
}
-#define __my_cpu_offset __my_cpu_offset
+
+#define __my_cpu_offset \
+({ \
+ __asm__ __volatile__("":"+r"(__my_cpu_offset)); \
+ __my_cpu_offset; \
+})
#define PERCPU_OP(op, asm_op, c_op) \
static __always_inline unsigned long __percpu_##op(void *ptr, \
--
GitLab
From d42ab9af605ee406ec339e5e80a1c3a708637fd6 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max.kellermann@ionos.com>
Date: Tue, 19 Mar 2024 15:50:34 +0800
Subject: [PATCH 1304/2686] LoongArch: Move {dmw,tlb}_virt_to_page() definition
to page.h
These two functions are implemented in pgtable.c, and they are needed
only by the virt_to_page() macro in page.h. Having the prototypes in
pgtable.h causes a circular dependency between page.h and pgtable.h,
because the virt_to_page() macro in page.h needs pgtable.h for these
two functions, while pgtable.h needs various definitions from page.h
(e.g. pte_t and pgt_t).
Let's avoid this circular dependency by moving the function prototypes
to page.h.
Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/include/asm/page.h | 3 +++
arch/loongarch/include/asm/pgtable.h | 3 ---
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/loongarch/include/asm/page.h b/arch/loongarch/include/asm/page.h
index 63f137ce82a41..2391fcd189087 100644
--- a/arch/loongarch/include/asm/page.h
+++ b/arch/loongarch/include/asm/page.h
@@ -83,6 +83,9 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
#define sym_to_pfn(x) __phys_to_pfn(__pa_symbol(x))
+struct page *dmw_virt_to_page(unsigned long kaddr);
+struct page *tlb_virt_to_page(unsigned long kaddr);
+
#define virt_to_pfn(kaddr) PFN_DOWN(PHYSADDR(kaddr))
#define virt_to_page(kaddr) \
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h
index 8b5df1bbf9e9c..af3acdf3481a6 100644
--- a/arch/loongarch/include/asm/pgtable.h
+++ b/arch/loongarch/include/asm/pgtable.h
@@ -363,9 +363,6 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt
extern pgd_t swapper_pg_dir[];
extern pgd_t invalid_pg_dir[];
-struct page *dmw_virt_to_page(unsigned long kaddr);
-struct page *tlb_virt_to_page(unsigned long kaddr);
-
/*
* The following only work if pte_present() is true.
* Undefined behaviour if not..
--
GitLab
From 82bf60a6fed806d57e284a1fb40dbc1ad5097611 Mon Sep 17 00:00:00 2001
From: Huacai Chen <chenhuacai@loongson.cn>
Date: Tue, 19 Mar 2024 15:50:34 +0800
Subject: [PATCH 1305/2686] LoongArch: Remove superfluous flush_dcache_page()
definition
LoongArch doesn't have cache aliases, so flush_dcache_page() is a no-op.
There is a generic implementation for this case in include/asm-generic/
cacheflush.h. So remove the superfluous flush_dcache_page() definition,
which also silences such build warnings:
In file included from crypto/scompress.c:12:
include/crypto/scatterwalk.h: In function 'scatterwalk_pagedone':
include/crypto/scatterwalk.h:76:30: warning: variable 'page' set but not used [-Wunused-but-set-variable]
76 | struct page *page;
| ^~~~
crypto/scompress.c: In function 'scomp_acomp_comp_decomp':
>> crypto/scompress.c:174:38: warning: unused variable 'dst_page' [-Wunused-variable]
174 | struct page *dst_page = sg_page(req->dst);
|
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202403091614.NeUw5zcv-lkp@intel.com/
Suggested-by: Barry Song <baohua@kernel.org>
Acked-by: Barry Song <baohua@kernel.org>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/include/asm/cacheflush.h | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/loongarch/include/asm/cacheflush.h b/arch/loongarch/include/asm/cacheflush.h
index 80bd74106985a..f8754d08a31ab 100644
--- a/arch/loongarch/include/asm/cacheflush.h
+++ b/arch/loongarch/include/asm/cacheflush.h
@@ -37,8 +37,6 @@ void local_flush_icache_range(unsigned long start, unsigned long end);
#define flush_icache_range local_flush_icache_range
#define flush_icache_user_range local_flush_icache_range
-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
-
#define flush_cache_all() do { } while (0)
#define flush_cache_mm(mm) do { } while (0)
#define flush_cache_dup_mm(mm) do { } while (0)
@@ -47,7 +45,6 @@ void local_flush_icache_range(unsigned long start, unsigned long end);
#define flush_cache_vmap(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) do { } while (0)
#define flush_icache_user_page(vma, page, addr, len) do { } while (0)
-#define flush_dcache_page(page) do { } while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
--
GitLab
From 9c68ece8b2a5c5ff9b2fcaea923dd73efeb174cd Mon Sep 17 00:00:00 2001
From: Huacai Chen <chenhuacai@loongson.cn>
Date: Tue, 19 Mar 2024 15:50:34 +0800
Subject: [PATCH 1306/2686] LoongArch: Define the __io_aw() hook as mmiowb()
Commit fb24ea52f78e0d595852e ("drivers: Remove explicit invocations of
mmiowb()") remove all mmiowb() in drivers, but it says:
"NOTE: mmiowb() has only ever guaranteed ordering in conjunction with
spin_unlock(). However, pairing each mmiowb() removal in this patch with
the corresponding call to spin_unlock() is not at all trivial, so there
is a small chance that this change may regress any drivers incorrectly
relying on mmiowb() to order MMIO writes between CPUs using lock-free
synchronisation."
The mmio in radeon_ring_commit() is protected by a mutex rather than a
spinlock, but in the mutex fastpath it behaves similar to spinlock. We
can add mmiowb() calls in the radeon driver but the maintainer says he
doesn't like such a workaround, and radeon is not the only example of
mutex protected mmio.
So we should extend the mmiowb tracking system from spinlock to mutex,
and maybe other locking primitives. This is not easy and error prone, so
we solve it in the architectural code, by simply defining the __io_aw()
hook as mmiowb(). And we no longer need to override queued_spin_unlock()
so use the generic definition.
Without this, we get such an error when run 'glxgears' on weak ordering
architectures such as LoongArch:
radeon 0000:04:00.0: ring 0 stalled for more than 10324msec
radeon 0000:04:00.0: ring 3 stalled for more than 10240msec
radeon 0000:04:00.0: GPU lockup (current fence id 0x000000000001f412 last fence id 0x000000000001f414 on ring 3)
radeon 0000:04:00.0: GPU lockup (current fence id 0x000000000000f940 last fence id 0x000000000000f941 on ring 0)
radeon 0000:04:00.0: scheduling IB failed (-35).
[drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA (-35)
radeon 0000:04:00.0: scheduling IB failed (-35).
[drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA (-35)
radeon 0000:04:00.0: scheduling IB failed (-35).
[drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA (-35)
radeon 0000:04:00.0: scheduling IB failed (-35).
[drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA (-35)
radeon 0000:04:00.0: scheduling IB failed (-35).
[drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA (-35)
radeon 0000:04:00.0: scheduling IB failed (-35).
[drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA (-35)
radeon 0000:04:00.0: scheduling IB failed (-35).
[drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA (-35)
Link: https://lore.kernel.org/dri-devel/29df7e26-d7a8-4f67-b988-44353c4270ac@amd.com/T/#t
Link: https://lore.kernel.org/linux-arch/20240301130532.3953167-1-chenhuacai@loongson.cn/T/#t
Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/include/asm/Kbuild | 1 +
arch/loongarch/include/asm/io.h | 2 ++
arch/loongarch/include/asm/qspinlock.h | 18 ------------------
3 files changed, 3 insertions(+), 18 deletions(-)
delete mode 100644 arch/loongarch/include/asm/qspinlock.h
diff --git a/arch/loongarch/include/asm/Kbuild b/arch/loongarch/include/asm/Kbuild
index a97c0edbb866a..2dbec7853ae86 100644
--- a/arch/loongarch/include/asm/Kbuild
+++ b/arch/loongarch/include/asm/Kbuild
@@ -6,6 +6,7 @@ generic-y += mcs_spinlock.h
generic-y += parport.h
generic-y += early_ioremap.h
generic-y += qrwlock.h
+generic-y += qspinlock.h
generic-y += rwsem.h
generic-y += segment.h
generic-y += user.h
diff --git a/arch/loongarch/include/asm/io.h b/arch/loongarch/include/asm/io.h
index c486c2341b662..4a8adcca329b8 100644
--- a/arch/loongarch/include/asm/io.h
+++ b/arch/loongarch/include/asm/io.h
@@ -71,6 +71,8 @@ extern void __memcpy_fromio(void *to, const volatile void __iomem *from, size_t
#define memcpy_fromio(a, c, l) __memcpy_fromio((a), (c), (l))
#define memcpy_toio(c, a, l) __memcpy_toio((c), (a), (l))
+#define __io_aw() mmiowb()
+
#include <asm-generic/io.h>
#define ARCH_HAS_VALID_PHYS_ADDR_RANGE
diff --git a/arch/loongarch/include/asm/qspinlock.h b/arch/loongarch/include/asm/qspinlock.h
deleted file mode 100644
index 34f43f8ad5912..0000000000000
--- a/arch/loongarch/include/asm/qspinlock.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_QSPINLOCK_H
-#define _ASM_QSPINLOCK_H
-
-#include <asm-generic/qspinlock_types.h>
-
-#define queued_spin_unlock queued_spin_unlock
-
-static inline void queued_spin_unlock(struct qspinlock *lock)
-{
- compiletime_assert_atomic_type(lock->locked);
- c_sync();
- WRITE_ONCE(lock->locked, 0);
-}
-
-#include <asm-generic/qspinlock.h>
-
-#endif /* _ASM_QSPINLOCK_H */
--
GitLab
From fea1c949f6ca5059e12de00d0483645debc5b206 Mon Sep 17 00:00:00 2001
From: Yuli Wang <wangyuli@uniontech.com>
Date: Tue, 19 Mar 2024 15:50:34 +0800
Subject: [PATCH 1307/2686] LoongArch/crypto: Clean up useless assignment
operations
The LoongArch CRC32 hw acceleration is based on arch/mips/crypto/
crc32-mips.c. While the MIPS code supports both MIPS32 and MIPS64,
but LoongArch32 lacks the CRC instruction. As a result, the line
"len -= sizeof(u32)" is unnecessary.
Removing it can make context code style more unified and improve
code readability.
Cc: stable@vger.kernel.org
Reviewed-by: WANG Xuerui <git@xen0n.name>
Suggested-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: Yuli Wang <wangyuli@uniontech.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/crypto/crc32-loongarch.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/loongarch/crypto/crc32-loongarch.c b/arch/loongarch/crypto/crc32-loongarch.c
index a49e507af38c0..3eebea3a7b478 100644
--- a/arch/loongarch/crypto/crc32-loongarch.c
+++ b/arch/loongarch/crypto/crc32-loongarch.c
@@ -44,7 +44,6 @@ static u32 crc32_loongarch_hw(u32 crc_, const u8 *p, unsigned int len)
CRC32(crc, value, w);
p += sizeof(u32);
- len -= sizeof(u32);
}
if (len & sizeof(u16)) {
@@ -80,7 +79,6 @@ static u32 crc32c_loongarch_hw(u32 crc_, const u8 *p, unsigned int len)
CRC32C(crc, value, w);
p += sizeof(u32);
- len -= sizeof(u32);
}
if (len & sizeof(u16)) {
--
GitLab
From f55acb1e44f3d4bf1ca7926d777895a67d4ec606 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <frederic@kernel.org>
Date: Tue, 19 Mar 2024 00:07:28 +0100
Subject: [PATCH 1308/2686] timers/migration: Fix endless timer requeue after
idle interrupts
When a CPU is an idle migrator, but another CPU wakes up before it,
becomes an active migrator and handles the queue, the initial idle
migrator may end up endlessly reprogramming its clockevent, chasing ghost
timers forever such as in the following scenario:
[GRP0:0]
migrator = 0
active = 0
nextevt = T1
/ \
0 1
active idle (T1)
0) CPU 1 is idle and has a timer queued (T1), CPU 0 is active and is
the active migrator.
[GRP0:0]
migrator = NONE
active = NONE
nextevt = T1
/ \
0 1
idle idle (T1)
wakeup = T1
1) CPU 0 is now idle and is therefore the idle migrator. It has
programmed its next timer interrupt to handle T1.
[GRP0:0]
migrator = 1
active = 1
nextevt = KTIME_MAX
/ \
0 1
idle active
wakeup = T1
2) CPU 1 has woken up, it is now active and it has just handled its own
timer T1.
3) CPU 0 gets a timer interrupt to handle T1 but tmigr_handle_remote()
realize it is not the migrator anymore. So it early returns without
observing that T1 has been expired already and therefore without
updating its ->wakeup value.
4) CPU 0 goes into tmigr_cpu_new_timer() which also early returns
because it doesn't queue a timer of its own. So ->wakeup is left
unchanged and the next timer is programmed to fire now.
5) goto 3) forever
This results in timer interrupt storms in idle and also in nohz_full (as
observed in rcutorture's TREE07 scenario).
Fix this with forcing a re-evaluation of tmc->wakeup while trying
remote timer handling when the CPU isn't the migrator anymmore. The
check is inherently racy but in the worst case the CPU just races setting
the KTIME_MAX value that a remote expiry also tries to set.
Fixes: 7ee988770326 ("timers: Implement the hierarchical pull model")
Reported-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240318230729.15497-2-frederic@kernel.org
---
kernel/time/timer_migration.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/kernel/time/timer_migration.c b/kernel/time/timer_migration.c
index 611cd904f0357..c63a0afdcebed 100644
--- a/kernel/time/timer_migration.c
+++ b/kernel/time/timer_migration.c
@@ -1038,8 +1038,15 @@ void tmigr_handle_remote(void)
* in tmigr_handle_remote_up() anyway. Keep this check to speed up the
* return when nothing has to be done.
*/
- if (!tmigr_check_migrator(tmc->tmgroup, tmc->childmask))
- return;
+ if (!tmigr_check_migrator(tmc->tmgroup, tmc->childmask)) {
+ /*
+ * If this CPU was an idle migrator, make sure to clear its wakeup
+ * value so it won't chase timers that have already expired elsewhere.
+ * This avoids endless requeue from tmigr_new_timer().
+ */
+ if (READ_ONCE(tmc->wakeup) == KTIME_MAX)
+ return;
+ }
data.now = get_jiffies_update(&data.basej);
--
GitLab
From 03877039863be021a19fda307136657bb6d61f75 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <frederic@kernel.org>
Date: Tue, 19 Mar 2024 00:07:29 +0100
Subject: [PATCH 1309/2686] timers: Fix removed self-IPI on global timer's
enqueue in nohz_full
While running in nohz_full mode, a task may enqueue a timer while the
tick is stopped. However the only places where the timer wheel,
alongside the timer migration machinery's decision, may reprogram the
next event accordingly with that new timer's expiry are the idle loop or
any IRQ tail.
However neither the idle task nor an interrupt may run on the CPU if it
resumes busy work in userspace for a long while in full dynticks mode.
To solve this, the timer enqueue path raises a self-IPI that will
re-evaluate the timer wheel on its IRQ tail. This asynchronous solution
avoids potential locking inversion.
This is supposed to happen both for local and global timers but commit:
b2cf7507e186 ("timers: Always queue timers on the local CPU")
broke the global timers case with removing the ->is_idle field handling
for the global base. As a result, global timers enqueue may go unnoticed
in nohz_full.
Fix this with restoring the idle tracking of the global timer's base,
allowing self-IPIs again on enqueue time.
Fixes: b2cf7507e186 ("timers: Always queue timers on the local CPU")
Reported-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240318230729.15497-3-frederic@kernel.org
---
kernel/time/timer.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index e69e75d3858c2..dee29f1f5b75f 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -642,7 +642,8 @@ trigger_dyntick_cpu(struct timer_base *base, struct timer_list *timer)
* the base lock:
*/
if (base->is_idle) {
- WARN_ON_ONCE(!(timer->flags & TIMER_PINNED));
+ WARN_ON_ONCE(!(timer->flags & TIMER_PINNED ||
+ tick_nohz_full_cpu(base->cpu)));
wake_up_nohz_cpu(base->cpu);
}
}
@@ -2292,6 +2293,13 @@ static inline u64 __get_next_timer_interrupt(unsigned long basej, u64 basem,
*/
if (!base_local->is_idle && time_after(nextevt, basej + 1)) {
base_local->is_idle = true;
+ /*
+ * Global timers queued locally while running in a task
+ * in nohz_full mode need a self-IPI to kick reprogramming
+ * in IRQ tail.
+ */
+ if (tick_nohz_full_cpu(base_local->cpu))
+ base_global->is_idle = true;
trace_timer_base_idle(true, base_local->cpu);
}
*idle = base_local->is_idle;
@@ -2364,6 +2372,8 @@ void timer_clear_idle(void)
* path. Required for BASE_LOCAL only.
*/
__this_cpu_write(timer_bases[BASE_LOCAL].is_idle, false);
+ if (tick_nohz_full_cpu(smp_processor_id()))
+ __this_cpu_write(timer_bases[BASE_GLOBAL].is_idle, false);
trace_timer_base_idle(false, smp_processor_id());
/* Activate without holding the timer_base->lock */
--
GitLab
From f6e0a4984c2e7244689ea87b62b433bed9d07e94 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Thu, 14 Mar 2024 20:08:45 +0000
Subject: [PATCH 1310/2686] net: move dev->state into net_device_read_txrx
group
dev->state can be read in rx and tx fast paths.
netif_running() which needs dev->state is called from
- enqueue_to_backlog() [RX path]
- __dev_direct_xmit() [TX path]
Fixes: 43a71cd66b9c ("net-device: reorganize net_device fast path variables")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Coco Li <lixiaoyan@google.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240314200845.3050179-1-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
Documentation/networking/net_cachelines/net_device.rst | 2 +-
include/linux/netdevice.h | 2 +-
net/core/dev.c | 3 ++-
3 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/Documentation/networking/net_cachelines/net_device.rst b/Documentation/networking/net_cachelines/net_device.rst
index dceb49d56a911..70c4fb9d4e5ce 100644
--- a/Documentation/networking/net_cachelines/net_device.rst
+++ b/Documentation/networking/net_cachelines/net_device.rst
@@ -13,7 +13,7 @@ struct_dev_ifalias* ifalias
unsigned_long mem_end
unsigned_long mem_start
unsigned_long base_addr
-unsigned_long state
+unsigned_long state read_mostly read_mostly netif_running(dev)
struct_list_head dev_list
struct_list_head napi_list
struct_list_head unreg_list
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c6f6ac779b34e..cb37817d6382c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2072,6 +2072,7 @@ struct net_device {
struct pcpu_sw_netstats __percpu *tstats;
struct pcpu_dstats __percpu *dstats;
};
+ unsigned long state;
unsigned int flags;
unsigned short hard_header_len;
netdev_features_t features;
@@ -2117,7 +2118,6 @@ struct net_device {
* part of the usual set specified in Space.c.
*/
- unsigned long state;
struct list_head dev_list;
struct list_head napi_list;
diff --git a/net/core/dev.c b/net/core/dev.c
index 722787c327552..303a6ff46e4e1 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -11665,11 +11665,12 @@ static void __init net_dev_struct_check(void)
/* TXRX read-mostly hotpath */
CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_txrx, lstats);
+ CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_txrx, state);
CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_txrx, flags);
CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_txrx, hard_header_len);
CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_txrx, features);
CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_txrx, ip6_ptr);
- CACHELINE_ASSERT_GROUP_SIZE(struct net_device, net_device_read_txrx, 38);
+ CACHELINE_ASSERT_GROUP_SIZE(struct net_device, net_device_read_txrx, 46);
/* RX read-mostly hotpath */
CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_rx, ptype_specific);
--
GitLab
From bba045dc4d996d03dce6fe45726e78a1a1f6d4c3 Mon Sep 17 00:00:00 2001
From: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Date: Thu, 14 Mar 2024 16:49:06 -0600
Subject: [PATCH 1311/2686] wireguard: receive: annotate data-race around
receiving_counter.counter
Syzkaller with KCSAN identified a data-race issue when accessing
keypair->receiving_counter.counter. Use READ_ONCE() and WRITE_ONCE()
annotations to mark the data race as intentional.
BUG: KCSAN: data-race in wg_packet_decrypt_worker / wg_packet_rx_poll
write to 0xffff888107765888 of 8 bytes by interrupt on cpu 0:
counter_validate drivers/net/wireguard/receive.c:321 [inline]
wg_packet_rx_poll+0x3ac/0xf00 drivers/net/wireguard/receive.c:461
__napi_poll+0x60/0x3b0 net/core/dev.c:6536
napi_poll net/core/dev.c:6605 [inline]
net_rx_action+0x32b/0x750 net/core/dev.c:6738
__do_softirq+0xc4/0x279 kernel/softirq.c:553
do_softirq+0x5e/0x90 kernel/softirq.c:454
__local_bh_enable_ip+0x64/0x70 kernel/softirq.c:381
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]
wg_packet_decrypt_worker+0x6c5/0x700 drivers/net/wireguard/receive.c:499
process_one_work kernel/workqueue.c:2633 [inline]
...
read to 0xffff888107765888 of 8 bytes by task 3196 on cpu 1:
decrypt_packet drivers/net/wireguard/receive.c:252 [inline]
wg_packet_decrypt_worker+0x220/0x700 drivers/net/wireguard/receive.c:501
process_one_work kernel/workqueue.c:2633 [inline]
process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2706
worker_thread+0x525/0x730 kernel/workqueue.c:2787
...
Fixes: a9e90d9931f3 ("wireguard: noise: separate receive counter from send counter")
Reported-by: syzbot+d1de830e4ecdaac83d89@syzkaller.appspotmail.com
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/wireguard/receive.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireguard/receive.c b/drivers/net/wireguard/receive.c
index df275b4fccb6d..eb8851113654f 100644
--- a/drivers/net/wireguard/receive.c
+++ b/drivers/net/wireguard/receive.c
@@ -251,7 +251,7 @@ static bool decrypt_packet(struct sk_buff *skb, struct noise_keypair *keypair)
if (unlikely(!READ_ONCE(keypair->receiving.is_valid) ||
wg_birthdate_has_expired(keypair->receiving.birthdate, REJECT_AFTER_TIME) ||
- keypair->receiving_counter.counter >= REJECT_AFTER_MESSAGES)) {
+ READ_ONCE(keypair->receiving_counter.counter) >= REJECT_AFTER_MESSAGES)) {
WRITE_ONCE(keypair->receiving.is_valid, false);
return false;
}
@@ -318,7 +318,7 @@ static bool counter_validate(struct noise_replay_counter *counter, u64 their_cou
for (i = 1; i <= top; ++i)
counter->backtrack[(i + index_current) &
((COUNTER_BITS_TOTAL / BITS_PER_LONG) - 1)] = 0;
- counter->counter = their_counter;
+ WRITE_ONCE(counter->counter, their_counter);
}
index &= (COUNTER_BITS_TOTAL / BITS_PER_LONG) - 1;
@@ -463,7 +463,7 @@ int wg_packet_rx_poll(struct napi_struct *napi, int budget)
net_dbg_ratelimited("%s: Packet has invalid nonce %llu (max %llu)\n",
peer->device->dev->name,
PACKET_CB(skb)->nonce,
- keypair->receiving_counter.counter);
+ READ_ONCE(keypair->receiving_counter.counter));
goto next;
}
--
GitLab
From db2952dfbdf1192df77df6869323d487390f5da6 Mon Sep 17 00:00:00 2001
From: Breno Leitao <leitao@debian.org>
Date: Thu, 14 Mar 2024 16:49:07 -0600
Subject: [PATCH 1312/2686] wireguard: device: leverage core stats allocator
With commit 34d21de99cea9 ("net: Move {l,t,d}stats allocation to core
and convert veth & vrf"), stats allocation could be done on net core
instead of in this driver.
With this new approach, the driver doesn't have to bother with error
handling (allocation failure checking, making sure free happens in the
right spot, etc). This is core responsibility now.
Remove the allocation in this driver and leverage the network core
allocation instead.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/wireguard/device.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireguard/device.c b/drivers/net/wireguard/device.c
index deb9636b0ecf8..6aa071469e1c2 100644
--- a/drivers/net/wireguard/device.c
+++ b/drivers/net/wireguard/device.c
@@ -262,7 +262,6 @@ static void wg_destruct(struct net_device *dev)
rcu_barrier(); /* Wait for all the peers to be actually freed. */
wg_ratelimiter_uninit();
memzero_explicit(&wg->static_identity, sizeof(wg->static_identity));
- free_percpu(dev->tstats);
kvfree(wg->index_hashtable);
kvfree(wg->peer_hashtable);
mutex_unlock(&wg->device_update_lock);
@@ -297,6 +296,7 @@ static void wg_setup(struct net_device *dev)
dev->hw_enc_features |= WG_NETDEV_FEATURES;
dev->mtu = ETH_DATA_LEN - overhead;
dev->max_mtu = round_down(INT_MAX, MESSAGE_PADDING_MULTIPLE) - overhead;
+ dev->pcpu_stat_type = NETDEV_PCPU_STAT_TSTATS;
SET_NETDEV_DEVTYPE(dev, &device_type);
@@ -331,14 +331,10 @@ static int wg_newlink(struct net *src_net, struct net_device *dev,
if (!wg->index_hashtable)
goto err_free_peer_hashtable;
- dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
- if (!dev->tstats)
- goto err_free_index_hashtable;
-
wg->handshake_receive_wq = alloc_workqueue("wg-kex-%s",
WQ_CPU_INTENSIVE | WQ_FREEZABLE, 0, dev->name);
if (!wg->handshake_receive_wq)
- goto err_free_tstats;
+ goto err_free_index_hashtable;
wg->handshake_send_wq = alloc_workqueue("wg-kex-%s",
WQ_UNBOUND | WQ_FREEZABLE, 0, dev->name);
@@ -397,8 +393,6 @@ static int wg_newlink(struct net *src_net, struct net_device *dev,
destroy_workqueue(wg->handshake_send_wq);
err_destroy_handshake_receive:
destroy_workqueue(wg->handshake_receive_wq);
-err_free_tstats:
- free_percpu(dev->tstats);
err_free_index_hashtable:
kvfree(wg->index_hashtable);
err_free_peer_hashtable:
--
GitLab
From df9bbb5e776a4b36060379103bdcdbcae036ce32 Mon Sep 17 00:00:00 2001
From: Breno Leitao <leitao@debian.org>
Date: Thu, 14 Mar 2024 16:49:08 -0600
Subject: [PATCH 1313/2686] wireguard: device: remove generic .ndo_get_stats64
Commit 3e2f544dd8a33 ("net: get stats64 if device if driver is
configured") moved the callback to dev_get_tstats64() to net core, so,
unless the driver is doing some custom stats collection, it does not
need to set .ndo_get_stats64.
Since this driver is now relying in NETDEV_PCPU_STAT_TSTATS, then, it
doesn't need to set the dev_get_tstats64() generic .ndo_get_stats64
function pointer.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/wireguard/device.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/net/wireguard/device.c b/drivers/net/wireguard/device.c
index 6aa071469e1c2..3feb36ee5bfb4 100644
--- a/drivers/net/wireguard/device.c
+++ b/drivers/net/wireguard/device.c
@@ -237,7 +237,6 @@ static const struct net_device_ops netdev_ops = {
.ndo_open = wg_open,
.ndo_stop = wg_stop,
.ndo_start_xmit = wg_xmit,
- .ndo_get_stats64 = dev_get_tstats64
};
static void wg_destruct(struct net_device *dev)
--
GitLab
From 55b6c738673871c9b0edae05d0c97995c1ff08c4 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Thu, 14 Mar 2024 16:49:09 -0600
Subject: [PATCH 1314/2686] wireguard: netlink: check for dangling peer via
is_dead instead of empty list
If all peers are removed via wg_peer_remove_all(), rather than setting
peer_list to empty, the peer is added to a temporary list with a head on
the stack of wg_peer_remove_all(). If a netlink dump is resumed and the
cursored peer is one that has been removed via wg_peer_remove_all(), it
will iterate from that peer and then attempt to dump freed peers.
Fix this by instead checking peer->is_dead, which was explictly created
for this purpose. Also move up the device_update_lock lockdep assertion,
since reading is_dead relies on that.
It can be reproduced by a small script like:
echo "Setting config..."
ip link add dev wg0 type wireguard
wg setconf wg0 /big-config
(
while true; do
echo "Showing config..."
wg showconf wg0 > /dev/null
done
) &
sleep 4
wg setconf wg0 <(printf "[Peer]\nPublicKey=$(wg genkey)\n")
Resulting in:
BUG: KASAN: slab-use-after-free in __lock_acquire+0x182a/0x1b20
Read of size 8 at addr ffff88811956ec70 by task wg/59
CPU: 2 PID: 59 Comm: wg Not tainted 6.8.0-rc2-debug+ #5
Call Trace:
<TASK>
dump_stack_lvl+0x47/0x70
print_address_description.constprop.0+0x2c/0x380
print_report+0xab/0x250
kasan_report+0xba/0xf0
__lock_acquire+0x182a/0x1b20
lock_acquire+0x191/0x4b0
down_read+0x80/0x440
get_peer+0x140/0xcb0
wg_get_device_dump+0x471/0x1130
Cc: stable@vger.kernel.org
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Reported-by: Lillian Berry <lillian@star-ark.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/wireguard/netlink.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireguard/netlink.c b/drivers/net/wireguard/netlink.c
index e220d761b1f27..c17aee454fa3b 100644
--- a/drivers/net/wireguard/netlink.c
+++ b/drivers/net/wireguard/netlink.c
@@ -255,17 +255,17 @@ static int wg_get_device_dump(struct sk_buff *skb, struct netlink_callback *cb)
if (!peers_nest)
goto out;
ret = 0;
- /* If the last cursor was removed via list_del_init in peer_remove, then
+ lockdep_assert_held(&wg->device_update_lock);
+ /* If the last cursor was removed in peer_remove or peer_remove_all, then
* we just treat this the same as there being no more peers left. The
* reason is that seq_nr should indicate to userspace that this isn't a
* coherent dump anyway, so they'll try again.
*/
if (list_empty(&wg->peer_list) ||
- (ctx->next_peer && list_empty(&ctx->next_peer->peer_list))) {
+ (ctx->next_peer && ctx->next_peer->is_dead)) {
nla_nest_cancel(skb, peers_nest);
goto out;
}
- lockdep_assert_held(&wg->device_update_lock);
peer = list_prepare_entry(ctx->next_peer, &wg->peer_list, peer_list);
list_for_each_entry_continue(peer, &wg->peer_list, peer_list) {
if (get_peer(peer, skb, ctx)) {
--
GitLab
From 71cbd32e3db82ea4a74e3ef9aeeaa6971969c86f Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Thu, 14 Mar 2024 16:49:10 -0600
Subject: [PATCH 1315/2686] wireguard: netlink: access device through ctx
instead of peer
The previous commit fixed a bug that led to a NULL peer->device being
dereferenced. It's actually easier and faster performance-wise to
instead get the device from ctx->wg. This semantically makes more sense
too, since ctx->wg->peer_allowedips.seq is compared with
ctx->allowedips_seq, basing them both in ctx. This also acts as a
defence in depth provision against freed peers.
Cc: stable@vger.kernel.org
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/wireguard/netlink.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireguard/netlink.c b/drivers/net/wireguard/netlink.c
index c17aee454fa3b..f7055180ba4aa 100644
--- a/drivers/net/wireguard/netlink.c
+++ b/drivers/net/wireguard/netlink.c
@@ -164,8 +164,8 @@ get_peer(struct wg_peer *peer, struct sk_buff *skb, struct dump_ctx *ctx)
if (!allowedips_node)
goto no_allowedips;
if (!ctx->allowedips_seq)
- ctx->allowedips_seq = peer->device->peer_allowedips.seq;
- else if (ctx->allowedips_seq != peer->device->peer_allowedips.seq)
+ ctx->allowedips_seq = ctx->wg->peer_allowedips.seq;
+ else if (ctx->allowedips_seq != ctx->wg->peer_allowedips.seq)
goto no_allowedips;
allowedips_nest = nla_nest_start(skb, WGPEER_A_ALLOWEDIPS);
--
GitLab
From e995f5dd9a9cef818af32ec60fc38d68614afd12 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Thu, 14 Mar 2024 16:49:11 -0600
Subject: [PATCH 1316/2686] wireguard: selftests: set RISCV_ISA_FALLBACK on
riscv{32,64}
This option is needed to continue booting with QEMU. Recent changes that
made this optional meant that it gets unset in the test harness, and so
WireGuard CI has been broken. Fix this by simply setting this option.
Cc: stable@vger.kernel.org
Fixes: 496ea826d1e1 ("RISC-V: provide Kconfig & commandline options to control parsing "riscv,isa"")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
tools/testing/selftests/wireguard/qemu/arch/riscv32.config | 1 +
tools/testing/selftests/wireguard/qemu/arch/riscv64.config | 1 +
2 files changed, 2 insertions(+)
diff --git a/tools/testing/selftests/wireguard/qemu/arch/riscv32.config b/tools/testing/selftests/wireguard/qemu/arch/riscv32.config
index 2fc36efb166dc..a7f8e8a956259 100644
--- a/tools/testing/selftests/wireguard/qemu/arch/riscv32.config
+++ b/tools/testing/selftests/wireguard/qemu/arch/riscv32.config
@@ -3,6 +3,7 @@ CONFIG_ARCH_RV32I=y
CONFIG_MMU=y
CONFIG_FPU=y
CONFIG_SOC_VIRT=y
+CONFIG_RISCV_ISA_FALLBACK=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_OF_PLATFORM=y
diff --git a/tools/testing/selftests/wireguard/qemu/arch/riscv64.config b/tools/testing/selftests/wireguard/qemu/arch/riscv64.config
index dc266f3b19155..daeb3e5e09658 100644
--- a/tools/testing/selftests/wireguard/qemu/arch/riscv64.config
+++ b/tools/testing/selftests/wireguard/qemu/arch/riscv64.config
@@ -2,6 +2,7 @@ CONFIG_ARCH_RV64I=y
CONFIG_MMU=y
CONFIG_FPU=y
CONFIG_SOC_VIRT=y
+CONFIG_RISCV_ISA_FALLBACK=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_OF_PLATFORM=y
--
GitLab
From 9966e329d6756ea80832376991eb5b0d5ff2cf6b Mon Sep 17 00:00:00 2001
From: Jakub Kicinski <kuba@kernel.org>
Date: Thu, 14 Mar 2024 17:21:08 -0700
Subject: [PATCH 1317/2686] tools: ynl: add header guards for nlctrl
I "extracted" YNL C into a GitHub repo to make it easier
to use in other projects: https://github.com/linux-netdev/ynl-c
GitHub actions use Ubuntu by default, and the kernel headers
there are missing f329a0ebeaba ("genetlink: correct uAPI defines").
Add the direct include workaround for nlctrl.
Fixes: 768e044a5fd4 ("doc/netlink/specs: Add spec for nlctrl netlink family")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20240315002108.523232-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
tools/net/ynl/Makefile.deps | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/net/ynl/Makefile.deps b/tools/net/ynl/Makefile.deps
index 07373c5a7afe4..f4e8eb79c1b82 100644
--- a/tools/net/ynl/Makefile.deps
+++ b/tools/net/ynl/Makefile.deps
@@ -20,6 +20,7 @@ CFLAGS_ethtool:=$(call get_hdr_inc,_LINUX_ETHTOOL_NETLINK_H_,ethtool_netlink.h)
CFLAGS_handshake:=$(call get_hdr_inc,_LINUX_HANDSHAKE_H,handshake.h)
CFLAGS_mptcp_pm:=$(call get_hdr_inc,_LINUX_MPTCP_PM_H,mptcp_pm.h)
CFLAGS_netdev:=$(call get_hdr_inc,_LINUX_NETDEV_H,netdev.h)
+CFLAGS_nlctrl:=$(call get_hdr_inc,__LINUX_GENERIC_NETLINK_H,genetlink.h)
CFLAGS_nfsd:=$(call get_hdr_inc,_LINUX_NFSD_NETLINK_H,nfsd_netlink.h)
CFLAGS_ovs_datapath:=$(call get_hdr_inc,__LINUX_OPENVSWITCH_H,openvswitch.h)
CFLAGS_ovs_flow:=$(call get_hdr_inc,__LINUX_OPENVSWITCH_H,openvswitch.h)
--
GitLab
From 1422f28826d2a0c11e5240b3e951c9e214d8656e Mon Sep 17 00:00:00 2001
From: Yewon Choi <woni9911@gmail.com>
Date: Fri, 15 Mar 2024 18:28:38 +0900
Subject: [PATCH 1318/2686] rds: introduce acquire/release ordering in
acquire/release_in_xmit()
acquire/release_in_xmit() work as bit lock in rds_send_xmit(), so they
are expected to ensure acquire/release memory ordering semantics.
However, test_and_set_bit/clear_bit() don't imply such semantics, on
top of this, following smp_mb__after_atomic() does not guarantee release
ordering (memory barrier actually should be placed before clear_bit()).
Instead, we use clear_bit_unlock/test_and_set_bit_lock() here.
Fixes: 0f4b1c7e89e6 ("rds: fix rds_send_xmit() serialization")
Fixes: 1f9ecd7eacfd ("RDS: Pass rds_conn_path to rds_send_xmit()")
Signed-off-by: Yewon Choi <woni9911@gmail.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Link: https://lore.kernel.org/r/ZfQUxnNTO9AJmzwc@libra05
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
net/rds/send.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/net/rds/send.c b/net/rds/send.c
index 2899def23865f..09a2801106549 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -103,13 +103,12 @@ EXPORT_SYMBOL_GPL(rds_send_path_reset);
static int acquire_in_xmit(struct rds_conn_path *cp)
{
- return test_and_set_bit(RDS_IN_XMIT, &cp->cp_flags) == 0;
+ return test_and_set_bit_lock(RDS_IN_XMIT, &cp->cp_flags) == 0;
}
static void release_in_xmit(struct rds_conn_path *cp)
{
- clear_bit(RDS_IN_XMIT, &cp->cp_flags);
- smp_mb__after_atomic();
+ clear_bit_unlock(RDS_IN_XMIT, &cp->cp_flags);
/*
* We don't use wait_on_bit()/wake_up_bit() because our waking is in a
* hot path and finding waiters is very rare. We don't want to walk
--
GitLab
From 7b6bab2359e34a85359771a9837b1f44c37e82d2 Mon Sep 17 00:00:00 2001
From: Yuezhang Mo <Yuezhang.Mo@sony.com>
Date: Fri, 8 Dec 2023 19:17:02 +0800
Subject: [PATCH 1319/2686] exfat: add __exfat_get_dentry_set() helper
Since exfat_get_dentry_set() invokes the validate functions of
exfat_validate_entry(), it only supports getting a directory
entry set of an existing file, doesn't support getting an empty
entry set.
To remove the limitation, add this helper.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
fs/exfat/dir.c | 63 ++++++++++++++++++++++++++++++---------------
fs/exfat/exfat_fs.h | 2 +-
2 files changed, 43 insertions(+), 22 deletions(-)
diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index 9f9295847a4e6..543b01a5479e9 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -775,7 +775,6 @@ struct exfat_dentry *exfat_get_dentry(struct super_block *sb,
}
enum exfat_validate_dentry_mode {
- ES_MODE_STARTED,
ES_MODE_GET_FILE_ENTRY,
ES_MODE_GET_STRM_ENTRY,
ES_MODE_GET_NAME_ENTRY,
@@ -790,11 +789,6 @@ static bool exfat_validate_entry(unsigned int type,
return false;
switch (*mode) {
- case ES_MODE_STARTED:
- if (type != TYPE_FILE && type != TYPE_DIR)
- return false;
- *mode = ES_MODE_GET_FILE_ENTRY;
- break;
case ES_MODE_GET_FILE_ENTRY:
if (type != TYPE_STREAM)
return false;
@@ -834,7 +828,7 @@ struct exfat_dentry *exfat_get_dentry_cached(
}
/*
- * Returns a set of dentries for a file or dir.
+ * Returns a set of dentries.
*
* Note It provides a direct pointer to bh->data via exfat_get_dentry_cached().
* User should call exfat_get_dentry_set() after setting 'modified' to apply
@@ -842,22 +836,24 @@ struct exfat_dentry *exfat_get_dentry_cached(
*
* in:
* sb+p_dir+entry: indicates a file/dir
- * type: specifies how many dentries should be included.
+ * num_entries: specifies how many dentries should be included.
+ * It will be set to es->num_entries if it is not 0.
+ * If num_entries is 0, es->num_entries will be obtained
+ * from the first dentry.
+ * out:
+ * es: pointer of entry set on success.
* return:
- * pointer of entry set on success,
- * NULL on failure.
+ * 0 on success
+ * -error code on failure
*/
-int exfat_get_dentry_set(struct exfat_entry_set_cache *es,
+static int __exfat_get_dentry_set(struct exfat_entry_set_cache *es,
struct super_block *sb, struct exfat_chain *p_dir, int entry,
- unsigned int type)
+ unsigned int num_entries)
{
int ret, i, num_bh;
unsigned int off;
sector_t sec;
struct exfat_sb_info *sbi = EXFAT_SB(sb);
- struct exfat_dentry *ep;
- int num_entries;
- enum exfat_validate_dentry_mode mode = ES_MODE_STARTED;
struct buffer_head *bh;
if (p_dir->dir == DIR_DELETED) {
@@ -880,12 +876,18 @@ int exfat_get_dentry_set(struct exfat_entry_set_cache *es,
return -EIO;
es->bh[es->num_bh++] = bh;
- ep = exfat_get_dentry_cached(es, ES_IDX_FILE);
- if (!exfat_validate_entry(exfat_get_entry_type(ep), &mode))
- goto put_es;
+ if (num_entries == ES_ALL_ENTRIES) {
+ struct exfat_dentry *ep;
+
+ ep = exfat_get_dentry_cached(es, ES_IDX_FILE);
+ if (ep->type != EXFAT_FILE) {
+ brelse(bh);
+ return -EIO;
+ }
+
+ num_entries = ep->dentry.file.num_ext + 1;
+ }
- num_entries = type == ES_ALL_ENTRIES ?
- ep->dentry.file.num_ext + 1 : type;
es->num_entries = num_entries;
num_bh = EXFAT_B_TO_BLK_ROUND_UP(off + num_entries * DENTRY_SIZE, sb);
@@ -918,8 +920,27 @@ int exfat_get_dentry_set(struct exfat_entry_set_cache *es,
es->bh[es->num_bh++] = bh;
}
+ return 0;
+
+put_es:
+ exfat_put_dentry_set(es, false);
+ return -EIO;
+}
+
+int exfat_get_dentry_set(struct exfat_entry_set_cache *es,
+ struct super_block *sb, struct exfat_chain *p_dir,
+ int entry, unsigned int num_entries)
+{
+ int ret, i;
+ struct exfat_dentry *ep;
+ enum exfat_validate_dentry_mode mode = ES_MODE_GET_FILE_ENTRY;
+
+ ret = __exfat_get_dentry_set(es, sb, p_dir, entry, num_entries);
+ if (ret < 0)
+ return ret;
+
/* validate cached dentries */
- for (i = ES_IDX_STREAM; i < num_entries; i++) {
+ for (i = ES_IDX_STREAM; i < es->num_entries; i++) {
ep = exfat_get_dentry_cached(es, i);
if (!exfat_validate_entry(exfat_get_entry_type(ep), &mode))
goto put_es;
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 361595433480c..037e8827a56fb 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -501,7 +501,7 @@ struct exfat_dentry *exfat_get_dentry_cached(struct exfat_entry_set_cache *es,
int num);
int exfat_get_dentry_set(struct exfat_entry_set_cache *es,
struct super_block *sb, struct exfat_chain *p_dir, int entry,
- unsigned int type);
+ unsigned int num_entries);
int exfat_put_dentry_set(struct exfat_entry_set_cache *es, int sync);
int exfat_count_dir_entries(struct super_block *sb, struct exfat_chain *p_dir);
--
GitLab
From 01da3a5176c62a3310573f593579ebf88b6af5c0 Mon Sep 17 00:00:00 2001
From: Yuezhang Mo <Yuezhang.Mo@sony.com>
Date: Mon, 30 Oct 2023 17:25:31 +0800
Subject: [PATCH 1320/2686] exfat: add exfat_get_empty_dentry_set() helper
This helper is used to lookup empty dentry set. If there are
no enough empty dentries at the input location, this helper will
return the number of dentries that need to be skipped for the
next lookup.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
fs/exfat/dir.c | 79 +++++++++++++++++++++++++++++++++++++++++++++
fs/exfat/exfat_fs.h | 3 ++
2 files changed, 82 insertions(+)
diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index 543b01a5479e9..e228cdfcc9c93 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -952,6 +952,85 @@ int exfat_get_dentry_set(struct exfat_entry_set_cache *es,
return -EIO;
}
+static int exfat_validate_empty_dentry_set(struct exfat_entry_set_cache *es)
+{
+ struct exfat_dentry *ep;
+ struct buffer_head *bh;
+ int i, off;
+ bool unused_hit = false;
+
+ /*
+ * ONLY UNUSED OR DELETED DENTRIES ARE ALLOWED:
+ * Although it violates the specification for a deleted entry to
+ * follow an unused entry, some exFAT implementations could work
+ * like this. Therefore, to improve compatibility, let's allow it.
+ */
+ for (i = 0; i < es->num_entries; i++) {
+ ep = exfat_get_dentry_cached(es, i);
+ if (ep->type == EXFAT_UNUSED) {
+ unused_hit = true;
+ } else if (!IS_EXFAT_DELETED(ep->type)) {
+ if (unused_hit)
+ goto err_used_follow_unused;
+ i++;
+ goto count_skip_entries;
+ }
+ }
+
+ return 0;
+
+err_used_follow_unused:
+ off = es->start_off + (i << DENTRY_SIZE_BITS);
+ bh = es->bh[EXFAT_B_TO_BLK(off, es->sb)];
+
+ exfat_fs_error(es->sb,
+ "in sector %lld, dentry %d should be unused, but 0x%x",
+ bh->b_blocknr, off >> DENTRY_SIZE_BITS, ep->type);
+
+ return -EIO;
+
+count_skip_entries:
+ es->num_entries = EXFAT_B_TO_DEN(EXFAT_BLK_TO_B(es->num_bh, es->sb) - es->start_off);
+ for (; i < es->num_entries; i++) {
+ ep = exfat_get_dentry_cached(es, i);
+ if (IS_EXFAT_DELETED(ep->type))
+ break;
+ }
+
+ return i;
+}
+
+/*
+ * Get an empty dentry set.
+ *
+ * in:
+ * sb+p_dir+entry: indicates the empty dentry location
+ * num_entries: specifies how many empty dentries should be included.
+ * out:
+ * es: pointer of empty dentry set on success.
+ * return:
+ * 0 : on success
+ * >0 : the dentries are not empty, the return value is the number of
+ * dentries to be skipped for the next lookup.
+ * <0 : on failure
+ */
+int exfat_get_empty_dentry_set(struct exfat_entry_set_cache *es,
+ struct super_block *sb, struct exfat_chain *p_dir,
+ int entry, unsigned int num_entries)
+{
+ int ret;
+
+ ret = __exfat_get_dentry_set(es, sb, p_dir, entry, num_entries);
+ if (ret < 0)
+ return ret;
+
+ ret = exfat_validate_empty_dentry_set(es);
+ if (ret)
+ exfat_put_dentry_set(es, false);
+
+ return ret;
+}
+
static inline void exfat_reset_empty_hint(struct exfat_hint_femp *hint_femp)
{
hint_femp->eidx = EXFAT_HINT_NONE;
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 037e8827a56fb..c6f684bf7b921 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -502,6 +502,9 @@ struct exfat_dentry *exfat_get_dentry_cached(struct exfat_entry_set_cache *es,
int exfat_get_dentry_set(struct exfat_entry_set_cache *es,
struct super_block *sb, struct exfat_chain *p_dir, int entry,
unsigned int num_entries);
+int exfat_get_empty_dentry_set(struct exfat_entry_set_cache *es,
+ struct super_block *sb, struct exfat_chain *p_dir, int entry,
+ unsigned int num_entries);
int exfat_put_dentry_set(struct exfat_entry_set_cache *es, int sync);
int exfat_count_dir_entries(struct super_block *sb, struct exfat_chain *p_dir);
--
GitLab
From cf8663fa994343941fbbd5c1a7f4d131c366ef2f Mon Sep 17 00:00:00 2001
From: Yuezhang Mo <Yuezhang.Mo@sony.com>
Date: Thu, 4 Aug 2022 16:01:50 +0800
Subject: [PATCH 1321/2686] exfat: convert exfat_add_entry() to use dentry
cache
After this conversion, if "dirsync" or "sync" is enabled, the
number of synchronized dentries in exfat_add_entry() will change
from 2 to 1.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
fs/exfat/dir.c | 37 +++++++++----------------------------
fs/exfat/exfat_fs.h | 6 +++---
fs/exfat/namei.c | 12 ++++++++++--
3 files changed, 22 insertions(+), 33 deletions(-)
diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index e228cdfcc9c93..0065d2abc9832 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -448,53 +448,34 @@ static void exfat_init_name_entry(struct exfat_dentry *ep,
}
}
-int exfat_init_dir_entry(struct inode *inode, struct exfat_chain *p_dir,
- int entry, unsigned int type, unsigned int start_clu,
- unsigned long long size)
+void exfat_init_dir_entry(struct exfat_entry_set_cache *es,
+ unsigned int type, unsigned int start_clu,
+ unsigned long long size, struct timespec64 *ts)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = es->sb;
struct exfat_sb_info *sbi = EXFAT_SB(sb);
- struct timespec64 ts = current_time(inode);
struct exfat_dentry *ep;
- struct buffer_head *bh;
-
- /*
- * We cannot use exfat_get_dentry_set here because file ep is not
- * initialized yet.
- */
- ep = exfat_get_dentry(sb, p_dir, entry, &bh);
- if (!ep)
- return -EIO;
+ ep = exfat_get_dentry_cached(es, ES_IDX_FILE);
exfat_set_entry_type(ep, type);
- exfat_set_entry_time(sbi, &ts,
+ exfat_set_entry_time(sbi, ts,
&ep->dentry.file.create_tz,
&ep->dentry.file.create_time,
&ep->dentry.file.create_date,
&ep->dentry.file.create_time_cs);
- exfat_set_entry_time(sbi, &ts,
+ exfat_set_entry_time(sbi, ts,
&ep->dentry.file.modify_tz,
&ep->dentry.file.modify_time,
&ep->dentry.file.modify_date,
&ep->dentry.file.modify_time_cs);
- exfat_set_entry_time(sbi, &ts,
+ exfat_set_entry_time(sbi, ts,
&ep->dentry.file.access_tz,
&ep->dentry.file.access_time,
&ep->dentry.file.access_date,
NULL);
- exfat_update_bh(bh, IS_DIRSYNC(inode));
- brelse(bh);
-
- ep = exfat_get_dentry(sb, p_dir, entry + 1, &bh);
- if (!ep)
- return -EIO;
-
+ ep = exfat_get_dentry_cached(es, ES_IDX_STREAM);
exfat_init_stream_entry(ep, start_clu, size);
- exfat_update_bh(bh, IS_DIRSYNC(inode));
- brelse(bh);
-
- return 0;
}
int exfat_update_dir_chksum(struct inode *inode, struct exfat_chain *p_dir,
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index c6f684bf7b921..ecc5f6a3ad875 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -480,9 +480,9 @@ int exfat_get_cluster(struct inode *inode, unsigned int cluster,
extern const struct inode_operations exfat_dir_inode_operations;
extern const struct file_operations exfat_dir_operations;
unsigned int exfat_get_entry_type(struct exfat_dentry *p_entry);
-int exfat_init_dir_entry(struct inode *inode, struct exfat_chain *p_dir,
- int entry, unsigned int type, unsigned int start_clu,
- unsigned long long size);
+void exfat_init_dir_entry(struct exfat_entry_set_cache *es,
+ unsigned int type, unsigned int start_clu,
+ unsigned long long size, struct timespec64 *ts);
int exfat_init_ext_entry(struct inode *inode, struct exfat_chain *p_dir,
int entry, int num_entries, struct exfat_uni_name *p_uniname);
int exfat_remove_entries(struct inode *inode, struct exfat_chain *p_dir,
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index 9c549fd11fc84..07506f3882bb2 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -499,6 +499,8 @@ static int exfat_add_entry(struct inode *inode, const char *path,
struct exfat_sb_info *sbi = EXFAT_SB(sb);
struct exfat_uni_name uniname;
struct exfat_chain clu;
+ struct timespec64 ts = current_time(inode);
+ struct exfat_entry_set_cache es;
int clu_size = 0;
unsigned int start_clu = EXFAT_FREE_CLUSTER;
@@ -531,8 +533,14 @@ static int exfat_add_entry(struct inode *inode, const char *path,
/* fill the dos name directory entry information of the created file.
* the first cluster is not determined yet. (0)
*/
- ret = exfat_init_dir_entry(inode, p_dir, dentry, type,
- start_clu, clu_size);
+
+ ret = exfat_get_empty_dentry_set(&es, sb, p_dir, dentry, num_entries);
+ if (ret)
+ goto out;
+
+ exfat_init_dir_entry(&es, type, start_clu, clu_size, &ts);
+
+ ret = exfat_put_dentry_set(&es, IS_DIRSYNC(inode));
if (ret)
goto out;
--
GitLab
From ff4343da02e8918deca8ddc91f3855a454e96868 Mon Sep 17 00:00:00 2001
From: Yuezhang Mo <Yuezhang.Mo@sony.com>
Date: Fri, 5 Aug 2022 15:55:58 +0800
Subject: [PATCH 1322/2686] exfat: convert exfat_remove_entries() to use dentry
cache
Before this conversion, in exfat_remove_entries(), to mark the
dentries in a dentry set as deleted, the sync times is equals
the dentry numbers if 'dirsync' or 'sync' is enabled.
That affects not only performance but also device life.
After this conversion, only needs to be synchronized once if
'dirsync' or 'sync' is enabled.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
fs/exfat/dir.c | 17 ++--
fs/exfat/exfat_fs.h | 4 +-
fs/exfat/namei.c | 184 ++++++++++++++++++++------------------------
3 files changed, 90 insertions(+), 115 deletions(-)
diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index 0065d2abc9832..599dc81c9a083 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -577,28 +577,23 @@ int exfat_init_ext_entry(struct inode *inode, struct exfat_chain *p_dir,
return 0;
}
-int exfat_remove_entries(struct inode *inode, struct exfat_chain *p_dir,
- int entry, int order, int num_entries)
+void exfat_remove_entries(struct inode *inode, struct exfat_entry_set_cache *es,
+ int order)
{
- struct super_block *sb = inode->i_sb;
int i;
struct exfat_dentry *ep;
- struct buffer_head *bh;
- for (i = order; i < num_entries; i++) {
- ep = exfat_get_dentry(sb, p_dir, entry + i, &bh);
- if (!ep)
- return -EIO;
+ for (i = order; i < es->num_entries; i++) {
+ ep = exfat_get_dentry_cached(es, i);
if (exfat_get_entry_type(ep) & TYPE_BENIGN_SEC)
exfat_free_benign_secondary_clusters(inode, ep);
exfat_set_entry_type(ep, TYPE_DELETED);
- exfat_update_bh(bh, IS_DIRSYNC(inode));
- brelse(bh);
}
- return 0;
+ if (order < es->num_entries)
+ es->modified = true;
}
void exfat_update_dir_chksum_with_entry_set(struct exfat_entry_set_cache *es)
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index ecc5f6a3ad875..83ae84a657cdb 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -485,8 +485,8 @@ void exfat_init_dir_entry(struct exfat_entry_set_cache *es,
unsigned long long size, struct timespec64 *ts);
int exfat_init_ext_entry(struct inode *inode, struct exfat_chain *p_dir,
int entry, int num_entries, struct exfat_uni_name *p_uniname);
-int exfat_remove_entries(struct inode *inode, struct exfat_chain *p_dir,
- int entry, int order, int num_entries);
+void exfat_remove_entries(struct inode *inode, struct exfat_entry_set_cache *es,
+ int order);
int exfat_update_dir_chksum(struct inode *inode, struct exfat_chain *p_dir,
int entry);
void exfat_update_dir_chksum_with_entry_set(struct exfat_entry_set_cache *es);
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index 07506f3882bb2..f56e223b9b8fb 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -803,12 +803,11 @@ static struct dentry *exfat_lookup(struct inode *dir, struct dentry *dentry,
static int exfat_unlink(struct inode *dir, struct dentry *dentry)
{
struct exfat_chain cdir;
- struct exfat_dentry *ep;
struct super_block *sb = dir->i_sb;
struct inode *inode = dentry->d_inode;
struct exfat_inode_info *ei = EXFAT_I(inode);
- struct buffer_head *bh;
- int num_entries, entry, err = 0;
+ struct exfat_entry_set_cache es;
+ int entry, err = 0;
mutex_lock(&EXFAT_SB(sb)->s_lock);
exfat_chain_dup(&cdir, &ei->dir);
@@ -819,26 +818,20 @@ static int exfat_unlink(struct inode *dir, struct dentry *dentry)
goto unlock;
}
- ep = exfat_get_dentry(sb, &cdir, entry, &bh);
- if (!ep) {
- err = -EIO;
- goto unlock;
- }
- num_entries = exfat_count_ext_entries(sb, &cdir, entry, ep);
- if (num_entries < 0) {
+ err = exfat_get_dentry_set(&es, sb, &cdir, entry, ES_ALL_ENTRIES);
+ if (err) {
err = -EIO;
- brelse(bh);
goto unlock;
}
- num_entries++;
- brelse(bh);
exfat_set_volume_dirty(sb);
+
/* update the directory entry */
- if (exfat_remove_entries(dir, &cdir, entry, 0, num_entries)) {
- err = -EIO;
+ exfat_remove_entries(inode, &es, ES_IDX_FILE);
+
+ err = exfat_put_dentry_set(&es, IS_DIRSYNC(inode));
+ if (err)
goto unlock;
- }
/* This doesn't modify ei */
ei->dir.dir = DIR_DELETED;
@@ -954,13 +947,12 @@ static int exfat_check_dir_empty(struct super_block *sb,
static int exfat_rmdir(struct inode *dir, struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
- struct exfat_dentry *ep;
struct exfat_chain cdir, clu_to_free;
struct super_block *sb = inode->i_sb;
struct exfat_sb_info *sbi = EXFAT_SB(sb);
struct exfat_inode_info *ei = EXFAT_I(inode);
- struct buffer_head *bh;
- int num_entries, entry, err;
+ struct exfat_entry_set_cache es;
+ int entry, err;
mutex_lock(&EXFAT_SB(inode->i_sb)->s_lock);
@@ -984,27 +976,20 @@ static int exfat_rmdir(struct inode *dir, struct dentry *dentry)
goto unlock;
}
- ep = exfat_get_dentry(sb, &cdir, entry, &bh);
- if (!ep) {
- err = -EIO;
- goto unlock;
- }
-
- num_entries = exfat_count_ext_entries(sb, &cdir, entry, ep);
- if (num_entries < 0) {
+ err = exfat_get_dentry_set(&es, sb, &cdir, entry, ES_ALL_ENTRIES);
+ if (err) {
err = -EIO;
- brelse(bh);
goto unlock;
}
- num_entries++;
- brelse(bh);
exfat_set_volume_dirty(sb);
- err = exfat_remove_entries(dir, &cdir, entry, 0, num_entries);
- if (err) {
- exfat_err(sb, "failed to exfat_remove_entries : err(%d)", err);
+
+ exfat_remove_entries(inode, &es, ES_IDX_FILE);
+
+ err = exfat_put_dentry_set(&es, IS_DIRSYNC(dir));
+ if (err)
goto unlock;
- }
+
ei->dir.dir = DIR_DELETED;
inode_inc_iversion(dir);
@@ -1030,36 +1015,40 @@ static int exfat_rename_file(struct inode *inode, struct exfat_chain *p_dir,
int oldentry, struct exfat_uni_name *p_uniname,
struct exfat_inode_info *ei)
{
- int ret, num_old_entries, num_new_entries;
+ int ret, num_new_entries;
struct exfat_dentry *epold, *epnew;
struct super_block *sb = inode->i_sb;
- struct buffer_head *new_bh, *old_bh;
+ struct buffer_head *new_bh;
+ struct exfat_entry_set_cache old_es;
int sync = IS_DIRSYNC(inode);
- epold = exfat_get_dentry(sb, p_dir, oldentry, &old_bh);
- if (!epold)
- return -EIO;
-
- num_old_entries = exfat_count_ext_entries(sb, p_dir, oldentry, epold);
- if (num_old_entries < 0)
- return -EIO;
- num_old_entries++;
-
num_new_entries = exfat_calc_num_entries(p_uniname);
if (num_new_entries < 0)
return num_new_entries;
- if (num_old_entries < num_new_entries) {
+ ret = exfat_get_dentry_set(&old_es, sb, p_dir, oldentry, ES_ALL_ENTRIES);
+ if (ret) {
+ ret = -EIO;
+ return ret;
+ }
+
+ epold = exfat_get_dentry_cached(&old_es, ES_IDX_FILE);
+
+ if (old_es.num_entries < num_new_entries) {
int newentry;
newentry =
exfat_find_empty_entry(inode, p_dir, num_new_entries);
- if (newentry < 0)
- return newentry; /* -EIO or -ENOSPC */
+ if (newentry < 0) {
+ ret = newentry; /* -EIO or -ENOSPC */
+ goto put_old_es;
+ }
epnew = exfat_get_dentry(sb, p_dir, newentry, &new_bh);
- if (!epnew)
- return -EIO;
+ if (!epnew) {
+ ret = -EIO;
+ goto put_old_es;
+ }
*epnew = *epold;
if (exfat_get_entry_type(epnew) == TYPE_FILE) {
@@ -1067,30 +1056,25 @@ static int exfat_rename_file(struct inode *inode, struct exfat_chain *p_dir,
ei->attr |= EXFAT_ATTR_ARCHIVE;
}
exfat_update_bh(new_bh, sync);
- brelse(old_bh);
brelse(new_bh);
- epold = exfat_get_dentry(sb, p_dir, oldentry + 1, &old_bh);
- if (!epold)
- return -EIO;
+ epold = exfat_get_dentry_cached(&old_es, ES_IDX_STREAM);
epnew = exfat_get_dentry(sb, p_dir, newentry + 1, &new_bh);
if (!epnew) {
- brelse(old_bh);
- return -EIO;
+ ret = -EIO;
+ goto put_old_es;
}
*epnew = *epold;
exfat_update_bh(new_bh, sync);
- brelse(old_bh);
brelse(new_bh);
ret = exfat_init_ext_entry(inode, p_dir, newentry,
num_new_entries, p_uniname);
if (ret)
- return ret;
+ goto put_old_es;
- exfat_remove_entries(inode, p_dir, oldentry, 0,
- num_old_entries);
+ exfat_remove_entries(inode, &old_es, ES_IDX_FILE);
ei->dir = *p_dir;
ei->entry = newentry;
} else {
@@ -1098,37 +1082,29 @@ static int exfat_rename_file(struct inode *inode, struct exfat_chain *p_dir,
epold->dentry.file.attr |= cpu_to_le16(EXFAT_ATTR_ARCHIVE);
ei->attr |= EXFAT_ATTR_ARCHIVE;
}
- exfat_update_bh(old_bh, sync);
- brelse(old_bh);
ret = exfat_init_ext_entry(inode, p_dir, oldentry,
num_new_entries, p_uniname);
if (ret)
- return ret;
+ goto put_old_es;
- exfat_remove_entries(inode, p_dir, oldentry, num_new_entries,
- num_old_entries);
+ exfat_remove_entries(inode, &old_es, num_new_entries);
}
- return 0;
+ return exfat_put_dentry_set(&old_es, sync);
+
+put_old_es:
+ exfat_put_dentry_set(&old_es, false);
+ return ret;
}
static int exfat_move_file(struct inode *inode, struct exfat_chain *p_olddir,
int oldentry, struct exfat_chain *p_newdir,
struct exfat_uni_name *p_uniname, struct exfat_inode_info *ei)
{
- int ret, newentry, num_new_entries, num_old_entries;
+ int ret, newentry, num_new_entries;
struct exfat_dentry *epmov, *epnew;
struct super_block *sb = inode->i_sb;
- struct buffer_head *mov_bh, *new_bh;
-
- epmov = exfat_get_dentry(sb, p_olddir, oldentry, &mov_bh);
- if (!epmov)
- return -EIO;
-
- num_old_entries = exfat_count_ext_entries(sb, p_olddir, oldentry,
- epmov);
- if (num_old_entries < 0)
- return -EIO;
- num_old_entries++;
+ struct buffer_head *new_bh;
+ struct exfat_entry_set_cache mov_es;
num_new_entries = exfat_calc_num_entries(p_uniname);
if (num_new_entries < 0)
@@ -1138,31 +1114,35 @@ static int exfat_move_file(struct inode *inode, struct exfat_chain *p_olddir,
if (newentry < 0)
return newentry; /* -EIO or -ENOSPC */
- epnew = exfat_get_dentry(sb, p_newdir, newentry, &new_bh);
- if (!epnew)
+ ret = exfat_get_dentry_set(&mov_es, sb, p_olddir, oldentry,
+ ES_ALL_ENTRIES);
+ if (ret)
return -EIO;
+ epmov = exfat_get_dentry_cached(&mov_es, ES_IDX_FILE);
+ epnew = exfat_get_dentry(sb, p_newdir, newentry, &new_bh);
+ if (!epnew) {
+ ret = -EIO;
+ goto put_mov_es;
+ }
+
*epnew = *epmov;
if (exfat_get_entry_type(epnew) == TYPE_FILE) {
epnew->dentry.file.attr |= cpu_to_le16(EXFAT_ATTR_ARCHIVE);
ei->attr |= EXFAT_ATTR_ARCHIVE;
}
exfat_update_bh(new_bh, IS_DIRSYNC(inode));
- brelse(mov_bh);
brelse(new_bh);
- epmov = exfat_get_dentry(sb, p_olddir, oldentry + 1, &mov_bh);
- if (!epmov)
- return -EIO;
+ epmov = exfat_get_dentry_cached(&mov_es, ES_IDX_STREAM);
epnew = exfat_get_dentry(sb, p_newdir, newentry + 1, &new_bh);
if (!epnew) {
- brelse(mov_bh);
- return -EIO;
+ ret = -EIO;
+ goto put_mov_es;
}
*epnew = *epmov;
exfat_update_bh(new_bh, IS_DIRSYNC(inode));
- brelse(mov_bh);
brelse(new_bh);
ret = exfat_init_ext_entry(inode, p_newdir, newentry, num_new_entries,
@@ -1170,13 +1150,18 @@ static int exfat_move_file(struct inode *inode, struct exfat_chain *p_olddir,
if (ret)
return ret;
- exfat_remove_entries(inode, p_olddir, oldentry, 0, num_old_entries);
+ exfat_remove_entries(inode, &mov_es, ES_IDX_FILE);
exfat_chain_set(&ei->dir, p_newdir->dir, p_newdir->size,
p_newdir->flags);
ei->entry = newentry;
- return 0;
+ return exfat_put_dentry_set(&mov_es, IS_DIRSYNC(inode));
+
+put_mov_es:
+ exfat_put_dentry_set(&mov_es, false);
+
+ return ret;
}
/* rename or move a old file into a new file */
@@ -1194,7 +1179,6 @@ static int __exfat_rename(struct inode *old_parent_inode,
struct exfat_sb_info *sbi = EXFAT_SB(sb);
const unsigned char *new_path = new_dentry->d_name.name;
struct inode *new_inode = new_dentry->d_inode;
- int num_entries;
struct exfat_inode_info *new_ei = NULL;
unsigned int new_entry_type = TYPE_UNUSED;
int new_entry = 0;
@@ -1265,25 +1249,21 @@ static int __exfat_rename(struct inode *old_parent_inode,
&newdir, &uni_name, ei);
if (!ret && new_inode) {
+ struct exfat_entry_set_cache es;
+
/* delete entries of new_dir */
- ep = exfat_get_dentry(sb, p_dir, new_entry, &new_bh);
- if (!ep) {
+ ret = exfat_get_dentry_set(&es, sb, p_dir, new_entry,
+ ES_ALL_ENTRIES);
+ if (ret) {
ret = -EIO;
goto del_out;
}
- num_entries = exfat_count_ext_entries(sb, p_dir, new_entry, ep);
- if (num_entries < 0) {
- ret = -EIO;
- goto del_out;
- }
- brelse(new_bh);
+ exfat_remove_entries(new_inode, &es, ES_IDX_FILE);
- if (exfat_remove_entries(new_inode, p_dir, new_entry, 0,
- num_entries + 1)) {
- ret = -EIO;
+ ret = exfat_put_dentry_set(&es, IS_DIRSYNC(new_inode));
+ if (ret)
goto del_out;
- }
/* Free the clusters if new_inode is a dir(as if exfat_rmdir) */
if (new_entry_type == TYPE_DIR &&
--
GitLab
From 4e1aa22fea106014397455506d1383d519c4d3d1 Mon Sep 17 00:00:00 2001
From: Yuezhang Mo <Yuezhang.Mo@sony.com>
Date: Wed, 1 Feb 2023 18:53:18 +0800
Subject: [PATCH 1323/2686] exfat: move free cluster out of
exfat_init_ext_entry()
exfat_init_ext_entry() is an init function, it's a bit strange
to free cluster in it. And the argument 'inode' will be removed
from exfat_init_ext_entry(). So this commit changes to free the
cluster in exfat_remove_entries().
Code refinement, no functional changes.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
fs/exfat/dir.c | 3 ---
fs/exfat/namei.c | 5 +++--
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index 599dc81c9a083..0008d4681d293 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -564,9 +564,6 @@ int exfat_init_ext_entry(struct inode *inode, struct exfat_chain *p_dir,
if (!ep)
return -EIO;
- if (exfat_get_entry_type(ep) & TYPE_BENIGN_SEC)
- exfat_free_benign_secondary_clusters(inode, ep);
-
exfat_init_name_entry(ep, uniname);
exfat_update_bh(bh, sync);
brelse(bh);
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index f56e223b9b8fb..be6760297e8fa 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -1082,12 +1082,13 @@ static int exfat_rename_file(struct inode *inode, struct exfat_chain *p_dir,
epold->dentry.file.attr |= cpu_to_le16(EXFAT_ATTR_ARCHIVE);
ei->attr |= EXFAT_ATTR_ARCHIVE;
}
+
+ exfat_remove_entries(inode, &old_es, ES_IDX_FIRST_FILENAME + 1);
+
ret = exfat_init_ext_entry(inode, p_dir, oldentry,
num_new_entries, p_uniname);
if (ret)
goto put_old_es;
-
- exfat_remove_entries(inode, &old_es, num_new_entries);
}
return exfat_put_dentry_set(&old_es, sync);
--
GitLab
From d97e060673906d16f2b146dfd862c5e8a1afe2e4 Mon Sep 17 00:00:00 2001
From: Yuezhang Mo <Yuezhang.Mo@sony.com>
Date: Fri, 5 Aug 2022 16:42:02 +0800
Subject: [PATCH 1324/2686] exfat: convert exfat_init_ext_entry() to use dentry
cache
Before this conversion, in exfat_init_ext_entry(), to init
the dentries in a dentry set, the sync times is equals the
dentry number if 'dirsync' or 'sync' is enabled.
That affects not only performance but also device life.
After this conversion, only needs to be synchronized once if
'dirsync' or 'sync' is enabled.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
fs/exfat/dir.c | 33 +++++---------------
fs/exfat/exfat_fs.h | 4 +--
fs/exfat/namei.c | 73 +++++++++++++++------------------------------
3 files changed, 33 insertions(+), 77 deletions(-)
diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index 0008d4681d293..df39e245671dc 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -532,46 +532,27 @@ static void exfat_free_benign_secondary_clusters(struct inode *inode,
exfat_free_cluster(inode, &dir);
}
-int exfat_init_ext_entry(struct inode *inode, struct exfat_chain *p_dir,
- int entry, int num_entries, struct exfat_uni_name *p_uniname)
+void exfat_init_ext_entry(struct exfat_entry_set_cache *es, int num_entries,
+ struct exfat_uni_name *p_uniname)
{
- struct super_block *sb = inode->i_sb;
int i;
unsigned short *uniname = p_uniname->name;
struct exfat_dentry *ep;
- struct buffer_head *bh;
- int sync = IS_DIRSYNC(inode);
-
- ep = exfat_get_dentry(sb, p_dir, entry, &bh);
- if (!ep)
- return -EIO;
+ ep = exfat_get_dentry_cached(es, ES_IDX_FILE);
ep->dentry.file.num_ext = (unsigned char)(num_entries - 1);
- exfat_update_bh(bh, sync);
- brelse(bh);
-
- ep = exfat_get_dentry(sb, p_dir, entry + 1, &bh);
- if (!ep)
- return -EIO;
+ ep = exfat_get_dentry_cached(es, ES_IDX_STREAM);
ep->dentry.stream.name_len = p_uniname->name_len;
ep->dentry.stream.name_hash = cpu_to_le16(p_uniname->name_hash);
- exfat_update_bh(bh, sync);
- brelse(bh);
-
- for (i = EXFAT_FIRST_CLUSTER; i < num_entries; i++) {
- ep = exfat_get_dentry(sb, p_dir, entry + i, &bh);
- if (!ep)
- return -EIO;
+ for (i = ES_IDX_FIRST_FILENAME; i < num_entries; i++) {
+ ep = exfat_get_dentry_cached(es, i);
exfat_init_name_entry(ep, uniname);
- exfat_update_bh(bh, sync);
- brelse(bh);
uniname += EXFAT_FILE_NAME_LEN;
}
- exfat_update_dir_chksum(inode, p_dir, entry);
- return 0;
+ exfat_update_dir_chksum_with_entry_set(es);
}
void exfat_remove_entries(struct inode *inode, struct exfat_entry_set_cache *es,
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 83ae84a657cdb..1cc91476b9c54 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -483,8 +483,8 @@ unsigned int exfat_get_entry_type(struct exfat_dentry *p_entry);
void exfat_init_dir_entry(struct exfat_entry_set_cache *es,
unsigned int type, unsigned int start_clu,
unsigned long long size, struct timespec64 *ts);
-int exfat_init_ext_entry(struct inode *inode, struct exfat_chain *p_dir,
- int entry, int num_entries, struct exfat_uni_name *p_uniname);
+void exfat_init_ext_entry(struct exfat_entry_set_cache *es, int num_entries,
+ struct exfat_uni_name *p_uniname);
void exfat_remove_entries(struct inode *inode, struct exfat_entry_set_cache *es,
int order);
int exfat_update_dir_chksum(struct inode *inode, struct exfat_chain *p_dir,
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index be6760297e8fa..2c6df4f966f51 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -539,15 +539,12 @@ static int exfat_add_entry(struct inode *inode, const char *path,
goto out;
exfat_init_dir_entry(&es, type, start_clu, clu_size, &ts);
+ exfat_init_ext_entry(&es, num_entries, &uniname);
ret = exfat_put_dentry_set(&es, IS_DIRSYNC(inode));
if (ret)
goto out;
- ret = exfat_init_ext_entry(inode, p_dir, dentry, num_entries, &uniname);
- if (ret)
- goto out;
-
info->dir = *p_dir;
info->entry = dentry;
info->flags = ALLOC_NO_FAT_CHAIN;
@@ -1018,8 +1015,7 @@ static int exfat_rename_file(struct inode *inode, struct exfat_chain *p_dir,
int ret, num_new_entries;
struct exfat_dentry *epold, *epnew;
struct super_block *sb = inode->i_sb;
- struct buffer_head *new_bh;
- struct exfat_entry_set_cache old_es;
+ struct exfat_entry_set_cache old_es, new_es;
int sync = IS_DIRSYNC(inode);
num_new_entries = exfat_calc_num_entries(p_uniname);
@@ -1044,33 +1040,25 @@ static int exfat_rename_file(struct inode *inode, struct exfat_chain *p_dir,
goto put_old_es;
}
- epnew = exfat_get_dentry(sb, p_dir, newentry, &new_bh);
- if (!epnew) {
- ret = -EIO;
+ ret = exfat_get_empty_dentry_set(&new_es, sb, p_dir, newentry,
+ num_new_entries);
+ if (ret)
goto put_old_es;
- }
+ epnew = exfat_get_dentry_cached(&new_es, ES_IDX_FILE);
*epnew = *epold;
if (exfat_get_entry_type(epnew) == TYPE_FILE) {
epnew->dentry.file.attr |= cpu_to_le16(EXFAT_ATTR_ARCHIVE);
ei->attr |= EXFAT_ATTR_ARCHIVE;
}
- exfat_update_bh(new_bh, sync);
- brelse(new_bh);
epold = exfat_get_dentry_cached(&old_es, ES_IDX_STREAM);
- epnew = exfat_get_dentry(sb, p_dir, newentry + 1, &new_bh);
- if (!epnew) {
- ret = -EIO;
- goto put_old_es;
- }
-
+ epnew = exfat_get_dentry_cached(&new_es, ES_IDX_STREAM);
*epnew = *epold;
- exfat_update_bh(new_bh, sync);
- brelse(new_bh);
- ret = exfat_init_ext_entry(inode, p_dir, newentry,
- num_new_entries, p_uniname);
+ exfat_init_ext_entry(&new_es, num_new_entries, p_uniname);
+
+ ret = exfat_put_dentry_set(&new_es, sync);
if (ret)
goto put_old_es;
@@ -1084,11 +1072,7 @@ static int exfat_rename_file(struct inode *inode, struct exfat_chain *p_dir,
}
exfat_remove_entries(inode, &old_es, ES_IDX_FIRST_FILENAME + 1);
-
- ret = exfat_init_ext_entry(inode, p_dir, oldentry,
- num_new_entries, p_uniname);
- if (ret)
- goto put_old_es;
+ exfat_init_ext_entry(&old_es, num_new_entries, p_uniname);
}
return exfat_put_dentry_set(&old_es, sync);
@@ -1104,8 +1088,7 @@ static int exfat_move_file(struct inode *inode, struct exfat_chain *p_olddir,
int ret, newentry, num_new_entries;
struct exfat_dentry *epmov, *epnew;
struct super_block *sb = inode->i_sb;
- struct buffer_head *new_bh;
- struct exfat_entry_set_cache mov_es;
+ struct exfat_entry_set_cache mov_es, new_es;
num_new_entries = exfat_calc_num_entries(p_uniname);
if (num_new_entries < 0)
@@ -1120,43 +1103,35 @@ static int exfat_move_file(struct inode *inode, struct exfat_chain *p_olddir,
if (ret)
return -EIO;
- epmov = exfat_get_dentry_cached(&mov_es, ES_IDX_FILE);
- epnew = exfat_get_dentry(sb, p_newdir, newentry, &new_bh);
- if (!epnew) {
- ret = -EIO;
+ ret = exfat_get_empty_dentry_set(&new_es, sb, p_newdir, newentry,
+ num_new_entries);
+ if (ret)
goto put_mov_es;
- }
+ epmov = exfat_get_dentry_cached(&mov_es, ES_IDX_FILE);
+ epnew = exfat_get_dentry_cached(&new_es, ES_IDX_FILE);
*epnew = *epmov;
if (exfat_get_entry_type(epnew) == TYPE_FILE) {
epnew->dentry.file.attr |= cpu_to_le16(EXFAT_ATTR_ARCHIVE);
ei->attr |= EXFAT_ATTR_ARCHIVE;
}
- exfat_update_bh(new_bh, IS_DIRSYNC(inode));
- brelse(new_bh);
epmov = exfat_get_dentry_cached(&mov_es, ES_IDX_STREAM);
- epnew = exfat_get_dentry(sb, p_newdir, newentry + 1, &new_bh);
- if (!epnew) {
- ret = -EIO;
- goto put_mov_es;
- }
-
+ epnew = exfat_get_dentry_cached(&new_es, ES_IDX_STREAM);
*epnew = *epmov;
- exfat_update_bh(new_bh, IS_DIRSYNC(inode));
- brelse(new_bh);
-
- ret = exfat_init_ext_entry(inode, p_newdir, newentry, num_new_entries,
- p_uniname);
- if (ret)
- return ret;
+ exfat_init_ext_entry(&new_es, num_new_entries, p_uniname);
exfat_remove_entries(inode, &mov_es, ES_IDX_FILE);
exfat_chain_set(&ei->dir, p_newdir->dir, p_newdir->size,
p_newdir->flags);
ei->entry = newentry;
+
+ ret = exfat_put_dentry_set(&new_es, IS_DIRSYNC(inode));
+ if (ret)
+ goto put_mov_es;
+
return exfat_put_dentry_set(&mov_es, IS_DIRSYNC(inode));
put_mov_es:
--
GitLab
From af02c72d0b621ccd0185248cacb6133a05481e75 Mon Sep 17 00:00:00 2001
From: Yuezhang Mo <Yuezhang.Mo@sony.com>
Date: Mon, 30 Oct 2023 18:00:51 +0800
Subject: [PATCH 1325/2686] exfat: convert exfat_find_empty_entry() to use
dentry cache
Before this conversion, each dentry traversed needs to be read
from the storage device or page cache. There are at least 16
dentries in a sector. This will result in frequent page cache
searches.
After this conversion, if all directory entries in a sector are
used, the sector only needs to be read once.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
fs/exfat/namei.c | 126 ++++++++++++++++-------------------------------
1 file changed, 42 insertions(+), 84 deletions(-)
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index 2c6df4f966f51..79e3fc9d6e19a 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -204,21 +204,16 @@ const struct dentry_operations exfat_utf8_dentry_ops = {
.d_compare = exfat_utf8_d_cmp,
};
-/* used only in search empty_slot() */
-#define CNT_UNUSED_NOHIT (-1)
-#define CNT_UNUSED_HIT (-2)
/* search EMPTY CONTINUOUS "num_entries" entries */
static int exfat_search_empty_slot(struct super_block *sb,
struct exfat_hint_femp *hint_femp, struct exfat_chain *p_dir,
- int num_entries)
+ int num_entries, struct exfat_entry_set_cache *es)
{
- int i, dentry, num_empty = 0;
+ int i, dentry, ret;
int dentries_per_clu;
- unsigned int type;
struct exfat_chain clu;
- struct exfat_dentry *ep;
struct exfat_sb_info *sbi = EXFAT_SB(sb);
- struct buffer_head *bh;
+ int total_entries = EXFAT_CLU_TO_DEN(p_dir->size, sbi);
dentries_per_clu = sbi->dentries_per_clu;
@@ -231,7 +226,7 @@ static int exfat_search_empty_slot(struct super_block *sb,
* Otherwise, and if "dentry + hint_famp->count" is also equal
* to "p_dir->size * dentries_per_clu", it means ENOSPC.
*/
- if (dentry + hint_femp->count == p_dir->size * dentries_per_clu &&
+ if (dentry + hint_femp->count == total_entries &&
num_entries > hint_femp->count)
return -ENOSPC;
@@ -242,69 +237,41 @@ static int exfat_search_empty_slot(struct super_block *sb,
dentry = 0;
}
- while (clu.dir != EXFAT_EOF_CLUSTER) {
+ while (dentry + num_entries < total_entries &&
+ clu.dir != EXFAT_EOF_CLUSTER) {
i = dentry & (dentries_per_clu - 1);
- for (; i < dentries_per_clu; i++, dentry++) {
- ep = exfat_get_dentry(sb, &clu, i, &bh);
- if (!ep)
- return -EIO;
- type = exfat_get_entry_type(ep);
- brelse(bh);
-
- if (type == TYPE_UNUSED || type == TYPE_DELETED) {
- num_empty++;
- if (hint_femp->eidx == EXFAT_HINT_NONE) {
- hint_femp->eidx = dentry;
- hint_femp->count = CNT_UNUSED_NOHIT;
- exfat_chain_set(&hint_femp->cur,
- clu.dir, clu.size, clu.flags);
- }
-
- if (type == TYPE_UNUSED &&
- hint_femp->count != CNT_UNUSED_HIT)
- hint_femp->count = CNT_UNUSED_HIT;
+ ret = exfat_get_empty_dentry_set(es, sb, &clu, i, num_entries);
+ if (ret < 0)
+ return ret;
+ else if (ret == 0)
+ return dentry;
+
+ dentry += ret;
+ i += ret;
+
+ while (i >= dentries_per_clu) {
+ if (clu.flags == ALLOC_NO_FAT_CHAIN) {
+ if (--clu.size > 0)
+ clu.dir++;
+ else
+ clu.dir = EXFAT_EOF_CLUSTER;
} else {
- if (hint_femp->eidx != EXFAT_HINT_NONE &&
- hint_femp->count == CNT_UNUSED_HIT) {
- /* unused empty group means
- * an empty group which includes
- * unused dentry
- */
- exfat_fs_error(sb,
- "found bogus dentry(%d) beyond unused empty group(%d) (start_clu : %u, cur_clu : %u)",
- dentry, hint_femp->eidx,
- p_dir->dir, clu.dir);
+ if (exfat_get_next_cluster(sb, &clu.dir))
return -EIO;
- }
-
- num_empty = 0;
- hint_femp->eidx = EXFAT_HINT_NONE;
}
- if (num_empty >= num_entries) {
- /* found and invalidate hint_femp */
- hint_femp->eidx = EXFAT_HINT_NONE;
- return (dentry - (num_entries - 1));
- }
- }
-
- if (clu.flags == ALLOC_NO_FAT_CHAIN) {
- if (--clu.size > 0)
- clu.dir++;
- else
- clu.dir = EXFAT_EOF_CLUSTER;
- } else {
- if (exfat_get_next_cluster(sb, &clu.dir))
- return -EIO;
+ i -= dentries_per_clu;
}
}
- hint_femp->eidx = p_dir->size * dentries_per_clu - num_empty;
- hint_femp->count = num_empty;
- if (num_empty == 0)
+ hint_femp->eidx = dentry;
+ hint_femp->count = 0;
+ if (dentry == total_entries || clu.dir == EXFAT_EOF_CLUSTER)
exfat_chain_set(&hint_femp->cur, EXFAT_EOF_CLUSTER, 0,
clu.flags);
+ else
+ hint_femp->cur = clu;
return -ENOSPC;
}
@@ -325,7 +292,8 @@ static int exfat_check_max_dentries(struct inode *inode)
* if there isn't any empty slot, expand cluster chain.
*/
static int exfat_find_empty_entry(struct inode *inode,
- struct exfat_chain *p_dir, int num_entries)
+ struct exfat_chain *p_dir, int num_entries,
+ struct exfat_entry_set_cache *es)
{
int dentry;
unsigned int ret, last_clu;
@@ -344,7 +312,7 @@ static int exfat_find_empty_entry(struct inode *inode,
}
while ((dentry = exfat_search_empty_slot(sb, &hint_femp, p_dir,
- num_entries)) < 0) {
+ num_entries, es)) < 0) {
if (dentry == -EIO)
break;
@@ -515,7 +483,7 @@ static int exfat_add_entry(struct inode *inode, const char *path,
}
/* exfat_find_empty_entry must be called before alloc_cluster() */
- dentry = exfat_find_empty_entry(inode, p_dir, num_entries);
+ dentry = exfat_find_empty_entry(inode, p_dir, num_entries, &es);
if (dentry < 0) {
ret = dentry; /* -EIO or -ENOSPC */
goto out;
@@ -523,8 +491,10 @@ static int exfat_add_entry(struct inode *inode, const char *path,
if (type == TYPE_DIR && !sbi->options.zero_size_dir) {
ret = exfat_alloc_new_dir(inode, &clu);
- if (ret)
+ if (ret) {
+ exfat_put_dentry_set(&es, false);
goto out;
+ }
start_clu = clu.dir;
clu_size = sbi->cluster_size;
}
@@ -533,11 +503,6 @@ static int exfat_add_entry(struct inode *inode, const char *path,
/* fill the dos name directory entry information of the created file.
* the first cluster is not determined yet. (0)
*/
-
- ret = exfat_get_empty_dentry_set(&es, sb, p_dir, dentry, num_entries);
- if (ret)
- goto out;
-
exfat_init_dir_entry(&es, type, start_clu, clu_size, &ts);
exfat_init_ext_entry(&es, num_entries, &uniname);
@@ -1033,18 +998,13 @@ static int exfat_rename_file(struct inode *inode, struct exfat_chain *p_dir,
if (old_es.num_entries < num_new_entries) {
int newentry;
- newentry =
- exfat_find_empty_entry(inode, p_dir, num_new_entries);
+ newentry = exfat_find_empty_entry(inode, p_dir, num_new_entries,
+ &new_es);
if (newentry < 0) {
ret = newentry; /* -EIO or -ENOSPC */
goto put_old_es;
}
- ret = exfat_get_empty_dentry_set(&new_es, sb, p_dir, newentry,
- num_new_entries);
- if (ret)
- goto put_old_es;
-
epnew = exfat_get_dentry_cached(&new_es, ES_IDX_FILE);
*epnew = *epold;
if (exfat_get_entry_type(epnew) == TYPE_FILE) {
@@ -1094,19 +1054,17 @@ static int exfat_move_file(struct inode *inode, struct exfat_chain *p_olddir,
if (num_new_entries < 0)
return num_new_entries;
- newentry = exfat_find_empty_entry(inode, p_newdir, num_new_entries);
- if (newentry < 0)
- return newentry; /* -EIO or -ENOSPC */
-
ret = exfat_get_dentry_set(&mov_es, sb, p_olddir, oldentry,
ES_ALL_ENTRIES);
if (ret)
return -EIO;
- ret = exfat_get_empty_dentry_set(&new_es, sb, p_newdir, newentry,
- num_new_entries);
- if (ret)
+ newentry = exfat_find_empty_entry(inode, p_newdir, num_new_entries,
+ &new_es);
+ if (newentry < 0) {
+ ret = newentry; /* -EIO or -ENOSPC */
goto put_mov_es;
+ }
epmov = exfat_get_dentry_cached(&mov_es, ES_IDX_FILE);
epnew = exfat_get_dentry_cached(&new_es, ES_IDX_FILE);
--
GitLab
From 4d714559768911b4738dca521ca38be84a8444b5 Mon Sep 17 00:00:00 2001
From: Yuezhang Mo <Yuezhang.Mo@sony.com>
Date: Fri, 5 Aug 2022 16:57:04 +0800
Subject: [PATCH 1326/2686] exfat: remove unused functions
exfat_count_ext_entries() is no longer called, remove it.
exfat_update_dir_chksum() is no longer called, remove it and
rename exfat_update_dir_chksum_with_entry_set() to it.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
fs/exfat/dir.c | 60 ++-------------------------------------------
fs/exfat/exfat_fs.h | 6 +----
fs/exfat/inode.c | 2 +-
3 files changed, 4 insertions(+), 64 deletions(-)
diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index df39e245671dc..077944d3c2c02 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -478,41 +478,6 @@ void exfat_init_dir_entry(struct exfat_entry_set_cache *es,
exfat_init_stream_entry(ep, start_clu, size);
}
-int exfat_update_dir_chksum(struct inode *inode, struct exfat_chain *p_dir,
- int entry)
-{
- struct super_block *sb = inode->i_sb;
- int ret = 0;
- int i, num_entries;
- u16 chksum;
- struct exfat_dentry *ep, *fep;
- struct buffer_head *fbh, *bh;
-
- fep = exfat_get_dentry(sb, p_dir, entry, &fbh);
- if (!fep)
- return -EIO;
-
- num_entries = fep->dentry.file.num_ext + 1;
- chksum = exfat_calc_chksum16(fep, DENTRY_SIZE, 0, CS_DIR_ENTRY);
-
- for (i = 1; i < num_entries; i++) {
- ep = exfat_get_dentry(sb, p_dir, entry + i, &bh);
- if (!ep) {
- ret = -EIO;
- goto release_fbh;
- }
- chksum = exfat_calc_chksum16(ep, DENTRY_SIZE, chksum,
- CS_DEFAULT);
- brelse(bh);
- }
-
- fep->dentry.file.checksum = cpu_to_le16(chksum);
- exfat_update_bh(fbh, IS_DIRSYNC(inode));
-release_fbh:
- brelse(fbh);
- return ret;
-}
-
static void exfat_free_benign_secondary_clusters(struct inode *inode,
struct exfat_dentry *ep)
{
@@ -552,7 +517,7 @@ void exfat_init_ext_entry(struct exfat_entry_set_cache *es, int num_entries,
uniname += EXFAT_FILE_NAME_LEN;
}
- exfat_update_dir_chksum_with_entry_set(es);
+ exfat_update_dir_chksum(es);
}
void exfat_remove_entries(struct inode *inode, struct exfat_entry_set_cache *es,
@@ -574,7 +539,7 @@ void exfat_remove_entries(struct inode *inode, struct exfat_entry_set_cache *es,
es->modified = true;
}
-void exfat_update_dir_chksum_with_entry_set(struct exfat_entry_set_cache *es)
+void exfat_update_dir_chksum(struct exfat_entry_set_cache *es)
{
int chksum_type = CS_DIR_ENTRY, i;
unsigned short chksum = 0;
@@ -1241,27 +1206,6 @@ int exfat_find_dir_entry(struct super_block *sb, struct exfat_inode_info *ei,
return dentry - num_ext;
}
-int exfat_count_ext_entries(struct super_block *sb, struct exfat_chain *p_dir,
- int entry, struct exfat_dentry *ep)
-{
- int i, count = 0;
- unsigned int type;
- struct exfat_dentry *ext_ep;
- struct buffer_head *bh;
-
- for (i = 0, entry++; i < ep->dentry.file.num_ext; i++, entry++) {
- ext_ep = exfat_get_dentry(sb, p_dir, entry, &bh);
- if (!ext_ep)
- return -EIO;
-
- type = exfat_get_entry_type(ext_ep);
- brelse(bh);
- if (type & TYPE_CRITICAL_SEC || type & TYPE_BENIGN_SEC)
- count++;
- }
- return count;
-}
-
int exfat_count_dir_entries(struct super_block *sb, struct exfat_chain *p_dir)
{
int i, count = 0;
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 1cc91476b9c54..ecc5db952deb0 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -431,8 +431,6 @@ int exfat_ent_get(struct super_block *sb, unsigned int loc,
unsigned int *content);
int exfat_ent_set(struct super_block *sb, unsigned int loc,
unsigned int content);
-int exfat_count_ext_entries(struct super_block *sb, struct exfat_chain *p_dir,
- int entry, struct exfat_dentry *p_entry);
int exfat_chain_cont_cluster(struct super_block *sb, unsigned int chain,
unsigned int len);
int exfat_zeroed_cluster(struct inode *dir, unsigned int clu);
@@ -487,9 +485,7 @@ void exfat_init_ext_entry(struct exfat_entry_set_cache *es, int num_entries,
struct exfat_uni_name *p_uniname);
void exfat_remove_entries(struct inode *inode, struct exfat_entry_set_cache *es,
int order);
-int exfat_update_dir_chksum(struct inode *inode, struct exfat_chain *p_dir,
- int entry);
-void exfat_update_dir_chksum_with_entry_set(struct exfat_entry_set_cache *es);
+void exfat_update_dir_chksum(struct exfat_entry_set_cache *es);
int exfat_calc_num_entries(struct exfat_uni_name *p_uniname);
int exfat_find_dir_entry(struct super_block *sb, struct exfat_inode_info *ei,
struct exfat_chain *p_dir, struct exfat_uni_name *p_uniname,
diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c
index 0687f952956c3..dd894e558c914 100644
--- a/fs/exfat/inode.c
+++ b/fs/exfat/inode.c
@@ -94,7 +94,7 @@ int __exfat_write_inode(struct inode *inode, int sync)
ep2->dentry.stream.start_clu = EXFAT_FREE_CLUSTER;
}
- exfat_update_dir_chksum_with_entry_set(&es);
+ exfat_update_dir_chksum(&es);
return exfat_put_dentry_set(&es, sync);
}
--
GitLab
From 96cf51acccb64d24339822824c262a1d3744d218 Mon Sep 17 00:00:00 2001
From: Yuezhang Mo <Yuezhang.Mo@sony.com>
Date: Wed, 9 Nov 2022 18:30:33 +0800
Subject: [PATCH 1327/2686] exfat: do not sync parent dir if just update
timestamp
When sync or dir_sync is enabled, there is no need to sync the
parent directory's inode if only for updating its timestamp.
1. If an unexpected power failure occurs, the timestamp of the
parent directory is not updated to the storage, which has no
impact on the user.
2. The number of writes will be greatly reduced, which can not
only improve performance, but also prolong device life.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
fs/exfat/namei.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index 79e3fc9d6e19a..b33497845a060 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -547,6 +547,7 @@ static int exfat_create(struct mnt_idmap *idmap, struct inode *dir,
struct exfat_dir_entry info;
loff_t i_pos;
int err;
+ loff_t size = i_size_read(dir);
mutex_lock(&EXFAT_SB(sb)->s_lock);
exfat_set_volume_dirty(sb);
@@ -557,7 +558,7 @@ static int exfat_create(struct mnt_idmap *idmap, struct inode *dir,
inode_inc_iversion(dir);
inode_set_mtime_to_ts(dir, inode_set_ctime_current(dir));
- if (IS_DIRSYNC(dir))
+ if (IS_DIRSYNC(dir) && size != i_size_read(dir))
exfat_sync_inode(dir);
else
mark_inode_dirty(dir);
@@ -801,10 +802,7 @@ static int exfat_unlink(struct inode *dir, struct dentry *dentry)
inode_inc_iversion(dir);
simple_inode_init_ts(dir);
exfat_truncate_inode_atime(dir);
- if (IS_DIRSYNC(dir))
- exfat_sync_inode(dir);
- else
- mark_inode_dirty(dir);
+ mark_inode_dirty(dir);
clear_nlink(inode);
simple_inode_init_ts(inode);
@@ -825,6 +823,7 @@ static int exfat_mkdir(struct mnt_idmap *idmap, struct inode *dir,
struct exfat_chain cdir;
loff_t i_pos;
int err;
+ loff_t size = i_size_read(dir);
mutex_lock(&EXFAT_SB(sb)->s_lock);
exfat_set_volume_dirty(sb);
@@ -835,7 +834,7 @@ static int exfat_mkdir(struct mnt_idmap *idmap, struct inode *dir,
inode_inc_iversion(dir);
inode_set_mtime_to_ts(dir, inode_set_ctime_current(dir));
- if (IS_DIRSYNC(dir))
+ if (IS_DIRSYNC(dir) && size != i_size_read(dir))
exfat_sync_inode(dir);
else
mark_inode_dirty(dir);
@@ -1239,6 +1238,7 @@ static int exfat_rename(struct mnt_idmap *idmap,
struct super_block *sb = old_dir->i_sb;
loff_t i_pos;
int err;
+ loff_t size = i_size_read(new_dir);
/*
* The VFS already checks for existence, so for local filesystems
@@ -1260,7 +1260,7 @@ static int exfat_rename(struct mnt_idmap *idmap,
simple_rename_timestamp(old_dir, old_dentry, new_dir, new_dentry);
EXFAT_I(new_dir)->i_crtime = current_time(new_dir);
exfat_truncate_inode_atime(new_dir);
- if (IS_DIRSYNC(new_dir))
+ if (IS_DIRSYNC(new_dir) && size != i_size_read(new_dir))
exfat_sync_inode(new_dir);
else
mark_inode_dirty(new_dir);
@@ -1281,10 +1281,7 @@ static int exfat_rename(struct mnt_idmap *idmap,
}
inode_inc_iversion(old_dir);
- if (IS_DIRSYNC(old_dir))
- exfat_sync_inode(old_dir);
- else
- mark_inode_dirty(old_dir);
+ mark_inode_dirty(old_dir);
if (new_inode) {
exfat_unhash_inode(new_inode);
--
GitLab
From dc38fdc51ba650871f12e4032bfe170f5b0e8ed0 Mon Sep 17 00:00:00 2001
From: Yuezhang Mo <Yuezhang.Mo@sony.com>
Date: Thu, 10 Nov 2022 17:38:16 +0800
Subject: [PATCH 1328/2686] exfat: remove duplicate update parent dir
For renaming, the directory only needs to be updated once if it
is in the same directory.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
fs/exfat/namei.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index b33497845a060..631ad9e8e32a9 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -1281,7 +1281,8 @@ static int exfat_rename(struct mnt_idmap *idmap,
}
inode_inc_iversion(old_dir);
- mark_inode_dirty(old_dir);
+ if (new_dir != old_dir)
+ mark_inode_dirty(old_dir);
if (new_inode) {
exfat_unhash_inode(new_inode);
--
GitLab
From a788e53c05aee6e3d60792a59e10c0fac56b5086 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Fri, 8 Mar 2024 13:34:25 +0200
Subject: [PATCH 1329/2686] usb: usb-acpi: Fix oops due to freeing
uninitialized pld pointer
If reading the ACPI _PLD port location object fails, or the port
doesn't have a _PLD ACPI object then the *pld pointer will remain
uninitialized and oops when freed.
The patch that caused this is currently in next, on its way to v6.9.
So no need to add this to stable or current 6.8 kernel.
Reported-by: Klara Modin <klarasmodin@gmail.com>
Closes: https://lore.kernel.org/linux-usb/7e92369a-3197-4883-9988-3c93452704f5@gmail.com/
Tested-by: Klara Modin <klarasmodin@gmail.com>
Fixes: f3ac348e6e04 ("usb: usb-acpi: Set port connect type of not connectable ports correctly")
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240308113425.1144689-1-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/usb-acpi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c
index f250dfc3b14d3..7f8a912d4fe2a 100644
--- a/drivers/usb/core/usb-acpi.c
+++ b/drivers/usb/core/usb-acpi.c
@@ -154,7 +154,7 @@ usb_acpi_get_connect_type(struct usb_port *port_dev, acpi_handle *handle)
enum usb_port_connect_type connect_type = USB_PORT_CONNECT_TYPE_UNKNOWN;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *upc = NULL;
- struct acpi_pld_info *pld;
+ struct acpi_pld_info *pld = NULL;
acpi_status status;
/*
--
GitLab
From c2d953276b8b27459baed1277a4fdd5dd9bd4126 Mon Sep 17 00:00:00 2001
From: Roman Smirnov <r.smirnov@omp.ru>
Date: Tue, 19 Mar 2024 11:13:44 +0300
Subject: [PATCH 1330/2686] fbmon: prevent division by zero in
fb_videomode_from_videomode()
The expression htotal * vtotal can have a zero value on
overflow. It is necessary to prevent division by zero like in
fb_var_to_videomode().
Found by Linux Verification Center (linuxtesting.org) with Svace.
Signed-off-by: Roman Smirnov <r.smirnov@omp.ru>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Helge Deller <deller@gmx.de>
---
drivers/video/fbdev/core/fbmon.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/video/fbdev/core/fbmon.c b/drivers/video/fbdev/core/fbmon.c
index 79e5bfbdd34c2..0a26399dbc899 100644
--- a/drivers/video/fbdev/core/fbmon.c
+++ b/drivers/video/fbdev/core/fbmon.c
@@ -1311,7 +1311,7 @@ int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, struct fb_inf
int fb_videomode_from_videomode(const struct videomode *vm,
struct fb_videomode *fbmode)
{
- unsigned int htotal, vtotal;
+ unsigned int htotal, vtotal, total;
fbmode->xres = vm->hactive;
fbmode->left_margin = vm->hback_porch;
@@ -1344,8 +1344,9 @@ int fb_videomode_from_videomode(const struct videomode *vm,
vtotal = vm->vactive + vm->vfront_porch + vm->vback_porch +
vm->vsync_len;
/* prevent division by zero */
- if (htotal && vtotal) {
- fbmode->refresh = vm->pixelclock / (htotal * vtotal);
+ total = htotal * vtotal;
+ if (total) {
+ fbmode->refresh = vm->pixelclock / total;
/* a mode must have htotal and vtotal != 0 or it is invalid */
} else {
fbmode->refresh = 0;
--
GitLab
From 3cf28cd492308e5f63ed00b29ea03ca016264376 Mon Sep 17 00:00:00 2001
From: Felix Maurer <fmaurer@redhat.com>
Date: Fri, 15 Mar 2024 13:04:52 +0100
Subject: [PATCH 1331/2686] hsr: Handle failures in module init
A failure during registration of the netdev notifier was not handled at
all. A failure during netlink initialization did not unregister the netdev
notifier.
Handle failures of netdev notifier registration and netlink initialization.
Both functions should only return negative values on failure and thereby
lead to the hsr module not being loaded.
Fixes: f421436a591d ("net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0)")
Signed-off-by: Felix Maurer <fmaurer@redhat.com>
Reviewed-by: Shigeru Yoshida <syoshida@redhat.com>
Reviewed-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/3ce097c15e3f7ace98fc7fd9bcbf299f092e63d1.1710504184.git.fmaurer@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
net/hsr/hsr_main.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/net/hsr/hsr_main.c b/net/hsr/hsr_main.c
index cb83c8feb7465..9756e657bab97 100644
--- a/net/hsr/hsr_main.c
+++ b/net/hsr/hsr_main.c
@@ -148,14 +148,21 @@ static struct notifier_block hsr_nb = {
static int __init hsr_init(void)
{
- int res;
+ int err;
BUILD_BUG_ON(sizeof(struct hsr_tag) != HSR_HLEN);
- register_netdevice_notifier(&hsr_nb);
- res = hsr_netlink_init();
+ err = register_netdevice_notifier(&hsr_nb);
+ if (err)
+ return err;
+
+ err = hsr_netlink_init();
+ if (err) {
+ unregister_netdevice_notifier(&hsr_nb);
+ return err;
+ }
- return res;
+ return 0;
}
static void __exit hsr_exit(void)
--
GitLab
From c9b3b81716c5b92132a6c1d4ac3c48a7b44082ab Mon Sep 17 00:00:00 2001
From: Tobias Brunner <tobias@strongswan.org>
Date: Fri, 15 Mar 2024 15:35:40 +0100
Subject: [PATCH 1332/2686] ipv4: raw: Fix sending packets from raw sockets via
IPsec tunnels
Since the referenced commit, the xfrm_inner_extract_output() function
uses the protocol field to determine the address family. So not setting
it for IPv4 raw sockets meant that such packets couldn't be tunneled via
IPsec anymore.
IPv6 raw sockets are not affected as they already set the protocol since
9c9c9ad5fae7 ("ipv6: set skb->protocol on tcp, raw and ip6_append_data
genereated skbs").
Fixes: f4796398f21b ("xfrm: Remove inner/outer modes from output path")
Signed-off-by: Tobias Brunner <tobias@strongswan.org>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/c5d9a947-eb19-4164-ac99-468ea814ce20@strongswan.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
net/ipv4/raw.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 12b3740393ba5..dcb11f22cbf2b 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -357,6 +357,7 @@ static int raw_send_hdrinc(struct sock *sk, struct flowi4 *fl4,
goto error;
skb_reserve(skb, hlen);
+ skb->protocol = htons(ETH_P_IP);
skb->priority = READ_ONCE(sk->sk_priority);
skb->mark = sockc->mark;
skb->tstamp = sockc->transmit_time;
--
GitLab
From f6e922365faf4cd576bd1cf3e64b58c8a32e1856 Mon Sep 17 00:00:00 2001
From: Stanislav Fomichev <sdf@google.com>
Date: Mon, 18 Mar 2024 09:54:27 -0700
Subject: [PATCH 1333/2686] xsk: Don't assume metadata is always requested in
TX completion
`compl->tx_timestam != NULL` means that the user has explicitly
requested the metadata via XDP_TX_METADATA+XDP_TX_METADATA_TIMESTAMP.
Fixes: 48eb03dd2630 ("xsk: Add TX timestamp and TX checksum offload support")
Reported-by: Daniele Salvatore Albano <d.albano@gmail.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Daniele Salvatore Albano <d.albano@gmail.com>
Link: https://lore.kernel.org/bpf/20240318165427.1403313-1-sdf@google.com
---
include/net/xdp_sock.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h
index 3cb4dc9bd70e4..3d54de168a6d9 100644
--- a/include/net/xdp_sock.h
+++ b/include/net/xdp_sock.h
@@ -188,6 +188,8 @@ static inline void xsk_tx_metadata_complete(struct xsk_tx_metadata_compl *compl,
{
if (!compl)
return;
+ if (!compl->tx_timestamp)
+ return;
*compl->tx_timestamp = ops->tmo_fill_timestamp(priv);
}
--
GitLab
From 5d4e8ae6e57b025802aadf55a4775c55cceb75f1 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Thu, 14 Mar 2024 11:45:21 +1000
Subject: [PATCH 1334/2686] nouveau/gsp: don't check devinit disable on GSP.
GSP should be handling this and I can see no evidence in opengpu
driver that this register should be touched.
Fixed acceleration on 2080 Ti GPUs.
Fixes: 15740541e8f0 ("drm/nouveau/devinit/tu102-: prepare for GSP-RM")
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240314014521.2695233-1-airlied@gmail.com
---
drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c
index 666eb93b1742c..11b4c9c274a1a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c
@@ -41,7 +41,6 @@ r535_devinit_new(const struct nvkm_devinit_func *hw,
rm->dtor = r535_devinit_dtor;
rm->post = hw->post;
- rm->disable = hw->disable;
ret = nv50_devinit_new_(rm, device, type, inst, pdevinit);
if (ret)
--
GitLab
From 1065da21e5df9d843d2c5165d5d576be000142a6 Mon Sep 17 00:00:00 2001
From: Xiubo Li <xiubli@redhat.com>
Date: Wed, 21 Feb 2024 09:16:12 +0800
Subject: [PATCH 1335/2686] ceph: stop copying to iter at EOF on sync reads
If EOF is encountered, ceph_sync_read() return value is adjusted down
according to i_size, but the "to" iter is advanced by the actual number
of bytes read. Then, when retrying, the remainder of the range may be
skipped incorrectly.
Ensure that the "to" iter is advanced only until EOF.
[ idryomov: changelog ]
Fixes: c3d8e0b5de48 ("ceph: return the real size read when it hits EOF")
Reported-by: Frank Hsiao <frankhsiao@qnap.com>
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Tested-by: Frank Hsiao <frankhsiao@qnap.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
fs/ceph/file.c | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index abe8028d95bf4..3d1cd079dbf16 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -1138,7 +1138,12 @@ ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
}
idx = 0;
- left = ret > 0 ? ret : 0;
+ if (ret <= 0)
+ left = 0;
+ else if (off + ret > i_size)
+ left = i_size - off;
+ else
+ left = ret;
while (left > 0) {
size_t plen, copied;
@@ -1167,15 +1172,13 @@ ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
}
if (ret > 0) {
- if (off > *ki_pos) {
- if (off >= i_size) {
- *retry_op = CHECK_EOF;
- ret = i_size - *ki_pos;
- *ki_pos = i_size;
- } else {
- ret = off - *ki_pos;
- *ki_pos = off;
- }
+ if (off >= i_size) {
+ *retry_op = CHECK_EOF;
+ ret = i_size - *ki_pos;
+ *ki_pos = i_size;
+ } else {
+ ret = off - *ki_pos;
+ *ki_pos = off;
}
if (last_objver)
--
GitLab
From 825b82f6b82aa38dbb771d24e135152012500e51 Mon Sep 17 00:00:00 2001
From: Xiubo Li <xiubli@redhat.com>
Date: Thu, 22 Feb 2024 09:22:43 +0800
Subject: [PATCH 1336/2686] ceph: set correct cap mask for getattr request for
read
In case of hitting the file EOF, ceph_read_iter() needs to retrieve the
file size from MDS, and Fr caps aren't neccessary.
[ idryomov: fold into existing retry_op == READ_INLINE branch ]
Reported-by: Frank Hsiao <frankhsiao@qnap.com>
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Tested-by: Frank Hsiao <frankhsiao@qnap.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
fs/ceph/file.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 3d1cd079dbf16..16873d07692f4 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -2129,14 +2129,16 @@ static ssize_t ceph_read_iter(struct kiocb *iocb, struct iov_iter *to)
int statret;
struct page *page = NULL;
loff_t i_size;
+ int mask = CEPH_STAT_CAP_SIZE;
if (retry_op == READ_INLINE) {
page = __page_cache_alloc(GFP_KERNEL);
if (!page)
return -ENOMEM;
+
+ mask = CEPH_STAT_CAP_INLINE_DATA;
}
- statret = __ceph_do_getattr(inode, page,
- CEPH_STAT_CAP_INLINE_DATA, !!page);
+ statret = __ceph_do_getattr(inode, page, mask, !!page);
if (statret < 0) {
if (page)
__free_page(page);
@@ -2177,7 +2179,7 @@ static ssize_t ceph_read_iter(struct kiocb *iocb, struct iov_iter *to)
/* hit EOF or hole? */
if (retry_op == CHECK_EOF && iocb->ki_pos < i_size &&
ret < len) {
- doutc(cl, "hit hole, ppos %lld < size %lld, reading more\n",
+ doutc(cl, "may hit hole, ppos %lld < size %lld, reading more\n",
iocb->ki_pos, i_size);
read += ret;
--
GitLab
From af1752ecdc9c665b72fbe2cef9035a6cba34b473 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Joci=C4=87?= <martin.jocic@kvaser.com>
Date: Thu, 14 Mar 2024 10:25:14 +0000
Subject: [PATCH 1337/2686] can: kvaser_pciefd: Add additional Xilinx
interrupts
Since Xilinx-based adapters now support up to eight CAN channels, the
TX interrupt mask array must have eight elements.
Signed-off-by: Martin Jocic <martin.jocic@kvaser.com>
Link: https://lore.kernel.org/all/2ab3c0585c3baba272ede0487182a423a420134b.camel@kvaser.com
Fixes: 9b221ba452aa ("can: kvaser_pciefd: Add support for Kvaser PCIe 8xCAN")
[mkl: replace Link by Fixes tag]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
drivers/net/can/kvaser_pciefd.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c
index f81b598147b30..7b5028b67cd5c 100644
--- a/drivers/net/can/kvaser_pciefd.c
+++ b/drivers/net/can/kvaser_pciefd.c
@@ -370,8 +370,8 @@ static const struct kvaser_pciefd_irq_mask kvaser_pciefd_sf2_irq_mask = {
static const struct kvaser_pciefd_irq_mask kvaser_pciefd_xilinx_irq_mask = {
.kcan_rx0 = BIT(4),
- .kcan_tx = { BIT(16), BIT(17), BIT(18), BIT(19) },
- .all = GENMASK(19, 16) | BIT(4),
+ .kcan_tx = { BIT(16), BIT(17), BIT(18), BIT(19), BIT(20), BIT(21), BIT(22), BIT(23) },
+ .all = GENMASK(23, 16) | BIT(4),
};
static const struct kvaser_pciefd_dev_ops kvaser_pciefd_altera_dev_ops = {
--
GitLab
From 9474c62ab65f30f0e56802a52bddf69a9e62b127 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20Koutn=C3=BD?= <mkoutny@suse.com>
Date: Fri, 15 Mar 2024 17:02:10 +0100
Subject: [PATCH 1338/2686] net/sched: Add module alias for sch_fq_pie
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The commit 2c15a5aee2f3 ("net/sched: Load modules via their alias")
starts loading modules via aliases and not canonical names. The new
aliases were added in commit 241a94abcf46 ("net/sched: Add module
aliases for cls_,sch_,act_ modules") via a Coccinele script.
sch_fq_pie.c is missing module.h header and thus Coccinele did not patch
it. Add the include and module alias manually, so that autoloading works
for sch_fq_pie too.
(Note: commit message in commit 241a94abcf46 ("net/sched: Add module
aliases for cls_,sch_,act_ modules") was mangled due to '#'
misinterpretation. The predicate haskernel is:
| @ haskernel @
| @@
|
| #include <linux/module.h>
|
.)
Fixes: 241a94abcf46 ("net/sched: Add module aliases for cls_,sch_,act_ modules")
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Link: https://lore.kernel.org/r/20240315160210.8379-1-mkoutny@suse.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
net/sched/sch_fq_pie.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/sched/sch_fq_pie.c b/net/sched/sch_fq_pie.c
index 5b595773e59b7..358cf304f4c91 100644
--- a/net/sched/sch_fq_pie.c
+++ b/net/sched/sch_fq_pie.c
@@ -10,6 +10,7 @@
*/
#include <linux/jhash.h>
+#include <linux/module.h>
#include <linux/sizes.h>
#include <linux/vmalloc.h>
#include <net/pkt_cls.h>
@@ -563,6 +564,7 @@ static struct Qdisc_ops fq_pie_qdisc_ops __read_mostly = {
.dump_stats = fq_pie_dump_stats,
.owner = THIS_MODULE,
};
+MODULE_ALIAS_NET_SCH("fq_pie");
static int __init fq_pie_module_init(void)
{
--
GitLab
From 61456da04602bab779364e0945c57d8a1f1b6219 Mon Sep 17 00:00:00 2001
From: Anthony I Gilea <i@cpp.in>
Date: Mon, 18 Mar 2024 16:17:48 +0300
Subject: [PATCH 1339/2686] ALSA: hda/realtek: Add quirk for HP Spectre x360 14
eu0000
Cirrus amps support for this laptop was added in patch:
33e5e648e631 ("ALSA: hda: cs35l41: Support additional HP Envy Models")
This patch adds fixes for wrong pincfgs, wrong DAC selection and
mute/micmute LEDs.
Signed-off-by: Anthony I Gilea <i@cpp.in>
Message-ID: <e2a7aaed-e9d7-4d36-8abf-b71dfd32a0ff@cpp.in>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/patch_realtek.c | 39 ++++++++++++++++++++++++++++++++++-
1 file changed, 38 insertions(+), 1 deletion(-)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index d463d416fc23a..203aa2d600a13 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -7123,6 +7123,38 @@ static void alc_fixup_headset_mic(struct hda_codec *codec,
}
}
+static void alc245_fixup_hp_spectre_x360_eu0xxx(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ /*
+ * The Pin Complex 0x14 for the treble speakers is wrongly reported as
+ * unconnected.
+ * The Pin Complex 0x17 for the bass speakers has the lowest association
+ * and sequence values so shift it up a bit to squeeze 0x14 in.
+ */
+ static const struct hda_pintbl pincfgs[] = {
+ { 0x14, 0x90170110 }, // top/treble
+ { 0x17, 0x90170111 }, // bottom/bass
+ { }
+ };
+
+ /*
+ * Force DAC 0x02 for the bass speakers 0x17.
+ */
+ static const hda_nid_t conn[] = { 0x02 };
+
+ switch (action) {
+ case HDA_FIXUP_ACT_PRE_PROBE:
+ snd_hda_apply_pincfgs(codec, pincfgs);
+ snd_hda_override_conn_list(codec, 0x17, ARRAY_SIZE(conn), conn);
+ break;
+ }
+
+ cs35l41_fixup_i2c_two(codec, fix, action);
+ alc245_fixup_hp_mute_led_coefbit(codec, fix, action);
+ alc245_fixup_hp_gpio_led(codec, fix, action);
+}
+
enum {
ALC269_FIXUP_GPIO2,
@@ -7402,6 +7434,7 @@ enum {
ALC245_FIXUP_CS35L56_SPI_4_HP_GPIO_LED,
ALC256_FIXUP_ACER_SFG16_MICMUTE_LED,
ALC256_FIXUP_HEADPHONE_AMP_VOL,
+ ALC245_FIXUP_HP_SPECTRE_X360_EU0XXX,
};
/* A special fixup for Lenovo C940 and Yoga Duet 7;
@@ -9605,6 +9638,10 @@ static const struct hda_fixup alc269_fixups[] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc256_decrease_headphone_amp_val,
},
+ [ALC245_FIXUP_HP_SPECTRE_X360_EU0XXX] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc245_fixup_hp_spectre_x360_eu0xxx,
+ },
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -9968,7 +10005,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x8be8, "HP Envy 17", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x103c, 0x8be9, "HP Envy 15", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x103c, 0x8bf0, "HP", ALC236_FIXUP_HP_GPIO_LED),
- SND_PCI_QUIRK(0x103c, 0x8c15, "HP Spectre 14", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8c15, "HP Spectre x360 2-in-1 Laptop 14-eu0xxx", ALC245_FIXUP_HP_SPECTRE_X360_EU0XXX),
SND_PCI_QUIRK(0x103c, 0x8c16, "HP Spectre 16", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x103c, 0x8c17, "HP Spectre 16", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x103c, 0x8c46, "HP EliteBook 830 G11", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
--
GitLab
From 32fa4366cc4da1c97b725a0066adf43c6b298f37 Mon Sep 17 00:00:00 2001
From: Nikita Kiryushin <kiryushin@ancud.ru>
Date: Fri, 15 Mar 2024 20:50:52 +0300
Subject: [PATCH 1340/2686] net: phy: fix phy_read_poll_timeout argument type
in genphy_loopback
read_poll_timeout inside phy_read_poll_timeout can set val negative
in some cases (for example, __mdiobus_read inside phy_read can return
-EOPNOTSUPP).
Supposedly, commit 4ec732951702 ("net: phylib: fix phy_read*_poll_timeout()")
should fix problems with wrong-signed vals, but I do not see how
as val is sent to phy_read as is and __val = phy_read (not val)
is checked for sign.
Change val type for signed to allow better error handling as done in other
phy_read_poll_timeout callers. This will not fix any error handling
by itself, but allows, for example, to modify cond with appropriate
sign check or check resulting val separately.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 014068dcb5b1 ("net: phy: genphy_loopback: add link speed configuration")
Signed-off-by: Nikita Kiryushin <kiryushin@ancud.ru>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20240315175052.8049-1-kiryushin@ancud.ru
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/phy/phy_device.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 8297ef681bf5d..6c6ec94757092 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -2831,8 +2831,8 @@ EXPORT_SYMBOL(genphy_resume);
int genphy_loopback(struct phy_device *phydev, bool enable)
{
if (enable) {
- u16 val, ctl = BMCR_LOOPBACK;
- int ret;
+ u16 ctl = BMCR_LOOPBACK;
+ int ret, val;
ctl |= mii_bmcr_encode_fixed(phydev->speed, phydev->duplex);
--
GitLab
From 55e565c42dce81a4e49c13262d5bc4eb4c2e588a Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Mon, 18 Mar 2024 18:35:06 +0100
Subject: [PATCH 1341/2686] dm-integrity: fix a memory leak when rechecking the
data
Memory for the "checksums" pointer will leak if the data is rechecked
after checksum failure (because the associated kfree won't happen due
to 'goto skip_io').
Fix this by freeing the checksums memory before recheck, and just use
the "checksum_onstack" memory for storing checksum during recheck.
Fixes: c88f5e553fe3 ("dm-integrity: recheck the integrity tag after a failure")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
---
drivers/md/dm-integrity.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index d822ab2f739b0..3329e1e935248 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -1848,12 +1848,12 @@ static void integrity_metadata(struct work_struct *w)
r = dm_integrity_rw_tag(ic, checksums, &dio->metadata_block, &dio->metadata_offset,
checksums_ptr - checksums, dio->op == REQ_OP_READ ? TAG_CMP : TAG_WRITE);
if (unlikely(r)) {
+ if (likely(checksums != checksums_onstack))
+ kfree(checksums);
if (r > 0) {
- integrity_recheck(dio, checksums);
+ integrity_recheck(dio, checksums_onstack);
goto skip_io;
}
- if (likely(checksums != checksums_onstack))
- kfree(checksums);
goto error;
}
--
GitLab
From 2ff0573e7aff5129d73ec5c3159cd84d862cb1cc Mon Sep 17 00:00:00 2001
From: David Lechner <dlechner@baylibre.com>
Date: Tue, 19 Mar 2024 13:33:42 -0500
Subject: [PATCH 1342/2686] spi: docs: spidev: fix echo command format
The two example echo commands for binding the spidev driver were being
rendered as one line in the HTML output. This patch makes use of the
restructured text :: to format the commands as a code block instead
which preserves the line break.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://msgid.link/r/20240319183344.2106335-1-dlechner@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
Documentation/spi/spidev.rst | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/spi/spidev.rst b/Documentation/spi/spidev.rst
index 369c657ba4358..e08b301ad24ac 100644
--- a/Documentation/spi/spidev.rst
+++ b/Documentation/spi/spidev.rst
@@ -61,7 +61,7 @@ the spidev driver failing to probe.
Sysfs also supports userspace driven binding/unbinding of drivers to
devices that do not bind automatically using one of the tables above.
-To make the spidev driver bind to such a device, use the following:
+To make the spidev driver bind to such a device, use the following::
echo spidev > /sys/bus/spi/devices/spiB.C/driver_override
echo spiB.C > /sys/bus/spi/drivers/spidev/bind
--
GitLab
From 1d63d1d9e5c5cb2e7c7ca75751a5eaf67c5623a7 Mon Sep 17 00:00:00 2001
From: Conor Dooley <conor.dooley@microchip.com>
Date: Mon, 18 Mar 2024 15:35:04 +0000
Subject: [PATCH 1343/2686] perf: starfive: fix 64-bit only COMPILE_TEST
condition
ARCH_STARFIVE is not restricted to 64-bit platforms, so while Will's
addition of a 64-bit only condition satisfied the build robots doing
COMPILE_TEST builds, Palmer ran into the same problems with writeq()
being undefined during regular rv32 builds.
Promote the dependency on 64-bit to its own `depends on` so that the
driver can never be included in 32-bit builds.
Reported-by: Palmer Dabbelt <palmer@rivosinc.com>
Fixes: c2b24812f7bc ("perf: starfive: Add StarLink PMU support")
Fixes: f0dbc6d0de38 ("perf: starfive: Only allow COMPILE_TEST for 64-bit architectures")
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Will Deacon <will@kernel.org>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Ji Sheng Teoh <jisheng.teoh@starfivetech.com>
Acked-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Link: https://lore.kernel.org/r/20240318-emphatic-rally-f177a4fe1bdc@spud
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
drivers/perf/Kconfig | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/perf/Kconfig b/drivers/perf/Kconfig
index 004d86230aa63..54ff5cc17ccdb 100644
--- a/drivers/perf/Kconfig
+++ b/drivers/perf/Kconfig
@@ -87,7 +87,8 @@ config RISCV_PMU_SBI
filtering, counter configuration.
config STARFIVE_STARLINK_PMU
- depends on ARCH_STARFIVE || (COMPILE_TEST && 64BIT)
+ depends on ARCH_STARFIVE || COMPILE_TEST
+ depends on 64BIT
bool "StarFive StarLink PMU"
help
Provide support for StarLink Performance Monitor Unit.
--
GitLab
From 6be7ee4bebd14b8e7e040a5e7fd6aec3d9167c72 Mon Sep 17 00:00:00 2001
From: Leonardo Bras <leobras@redhat.com>
Date: Wed, 3 Jan 2024 13:00:19 -0300
Subject: [PATCH 1344/2686] riscv: Improve arch_get_mmap_end() macro
This macro caused me some confusion, which took some reviewer's time to
make it clear, so I propose adding a short comment in code to avoid
confusion in the future.
Also, added some improvements to the macro, such as removing the
assumption of VA_USER_SV57 being the largest address space.
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20240103160024.70305-3-leobras@redhat.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/processor.h | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/arch/riscv/include/asm/processor.h b/arch/riscv/include/asm/processor.h
index f19f861cda549..2278e2a8362af 100644
--- a/arch/riscv/include/asm/processor.h
+++ b/arch/riscv/include/asm/processor.h
@@ -18,15 +18,21 @@
#define DEFAULT_MAP_WINDOW (UL(1) << (MMAP_VA_BITS - 1))
#define STACK_TOP_MAX TASK_SIZE_64
+/*
+ * addr is a hint to the maximum userspace address that mmap should provide, so
+ * this macro needs to return the largest address space available so that
+ * mmap_end < addr, being mmap_end the top of that address space.
+ * See Documentation/arch/riscv/vm-layout.rst for more details.
+ */
#define arch_get_mmap_end(addr, len, flags) \
({ \
unsigned long mmap_end; \
typeof(addr) _addr = (addr); \
if ((_addr) == 0 || (IS_ENABLED(CONFIG_COMPAT) && is_compat_task())) \
mmap_end = STACK_TOP_MAX; \
- else if ((_addr) >= VA_USER_SV57) \
- mmap_end = STACK_TOP_MAX; \
- else if ((((_addr) >= VA_USER_SV48)) && (VA_BITS >= VA_BITS_SV48)) \
+ else if (((_addr) >= VA_USER_SV57) && (VA_BITS >= VA_BITS_SV57)) \
+ mmap_end = VA_USER_SV57; \
+ else if (((_addr) >= VA_USER_SV48) && (VA_BITS >= VA_BITS_SV48)) \
mmap_end = VA_USER_SV48; \
else \
mmap_end = VA_USER_SV39; \
--
GitLab
From 9dc30419248f78dfebea7a554ec212dd1d82f8d7 Mon Sep 17 00:00:00 2001
From: Leonardo Bras <leobras@redhat.com>
Date: Wed, 3 Jan 2024 13:00:20 -0300
Subject: [PATCH 1345/2686] riscv: Replace direct thread flag check with
is_compat_task()
There is some code that detects compat mode into a task by checking the
flag directly, and other code that check using the helper is_compat_task().
Since the helper already exists, use it instead of checking the flags
directly.
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Link: https://lore.kernel.org/r/20240103160024.70305-4-leobras@redhat.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/elf.h | 2 +-
arch/riscv/include/asm/pgtable.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/riscv/include/asm/elf.h b/arch/riscv/include/asm/elf.h
index 06c236bfab53b..59a08367fddd7 100644
--- a/arch/riscv/include/asm/elf.h
+++ b/arch/riscv/include/asm/elf.h
@@ -54,7 +54,7 @@ extern bool compat_elf_check_arch(Elf32_Ehdr *hdr);
#ifdef CONFIG_64BIT
#ifdef CONFIG_COMPAT
-#define STACK_RND_MASK (test_thread_flag(TIF_32BIT) ? \
+#define STACK_RND_MASK (is_compat_task() ? \
0x7ff >> (PAGE_SHIFT - 12) : \
0x3ffff >> (PAGE_SHIFT - 12))
#else
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 294044429e8e1..9a7a92edcb46a 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -882,7 +882,7 @@ static inline pte_t pte_swp_clear_exclusive(pte_t pte)
#ifdef CONFIG_COMPAT
#define TASK_SIZE_32 (_AC(0x80000000, UL) - PAGE_SIZE)
-#define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \
+#define TASK_SIZE (is_compat_task() ? \
TASK_SIZE_32 : TASK_SIZE_64)
#else
#define TASK_SIZE TASK_SIZE_64
--
GitLab
From 4c0b5a451675e9a95be98a16ddb889bb0486d2ad Mon Sep 17 00:00:00 2001
From: Leonardo Bras <leobras@redhat.com>
Date: Wed, 3 Jan 2024 13:00:21 -0300
Subject: [PATCH 1346/2686] riscv: add compile-time test into is_compat_task()
Currently several places will test for CONFIG_COMPAT before testing
is_compat_task(), probably in order to avoid a run-time test into the task
structure.
Since is_compat_task() is an inlined function, it would be helpful to add a
compile-time test of CONFIG_COMPAT, making sure it always returns zero when
the option is not enabled during the kernel build.
With this, the compiler is able to understand in build-time that
is_compat_task() will always return 0, and optimize-out some of the extra
code introduced by the option.
This will also allow removing a lot #ifdefs that were introduced, and make
the code more clean.
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Andy Chiu <andy.chiu@sifive.com>
Link: https://lore.kernel.org/r/20240103160024.70305-5-leobras@redhat.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/compat.h | 3 +++
arch/riscv/include/asm/elf.h | 4 ----
arch/riscv/include/asm/pgtable.h | 6 ------
arch/riscv/include/asm/processor.h | 4 ++--
4 files changed, 5 insertions(+), 12 deletions(-)
diff --git a/arch/riscv/include/asm/compat.h b/arch/riscv/include/asm/compat.h
index 2ac955b51148f..91517b51b8e27 100644
--- a/arch/riscv/include/asm/compat.h
+++ b/arch/riscv/include/asm/compat.h
@@ -14,6 +14,9 @@
static inline int is_compat_task(void)
{
+ if (!IS_ENABLED(CONFIG_COMPAT))
+ return 0;
+
return test_thread_flag(TIF_32BIT);
}
diff --git a/arch/riscv/include/asm/elf.h b/arch/riscv/include/asm/elf.h
index 59a08367fddd7..2e88257cafaea 100644
--- a/arch/riscv/include/asm/elf.h
+++ b/arch/riscv/include/asm/elf.h
@@ -53,13 +53,9 @@ extern bool compat_elf_check_arch(Elf32_Ehdr *hdr);
#define ELF_ET_DYN_BASE ((DEFAULT_MAP_WINDOW / 3) * 2)
#ifdef CONFIG_64BIT
-#ifdef CONFIG_COMPAT
#define STACK_RND_MASK (is_compat_task() ? \
0x7ff >> (PAGE_SHIFT - 12) : \
0x3ffff >> (PAGE_SHIFT - 12))
-#else
-#define STACK_RND_MASK (0x3ffff >> (PAGE_SHIFT - 12))
-#endif
#endif
/*
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 9a7a92edcb46a..f5b504265d76f 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -127,16 +127,10 @@
#define VA_USER_SV48 (UL(1) << (VA_BITS_SV48 - 1))
#define VA_USER_SV57 (UL(1) << (VA_BITS_SV57 - 1))
-#ifdef CONFIG_COMPAT
#define MMAP_VA_BITS_64 ((VA_BITS >= VA_BITS_SV48) ? VA_BITS_SV48 : VA_BITS)
#define MMAP_MIN_VA_BITS_64 (VA_BITS_SV39)
#define MMAP_VA_BITS (is_compat_task() ? VA_BITS_SV32 : MMAP_VA_BITS_64)
#define MMAP_MIN_VA_BITS (is_compat_task() ? VA_BITS_SV32 : MMAP_MIN_VA_BITS_64)
-#else
-#define MMAP_VA_BITS ((VA_BITS >= VA_BITS_SV48) ? VA_BITS_SV48 : VA_BITS)
-#define MMAP_MIN_VA_BITS (VA_BITS_SV39)
-#endif /* CONFIG_COMPAT */
-
#else
#include <asm/pgtable-32.h>
#endif /* CONFIG_64BIT */
diff --git a/arch/riscv/include/asm/processor.h b/arch/riscv/include/asm/processor.h
index 2278e2a8362af..d2d7ce30baf3e 100644
--- a/arch/riscv/include/asm/processor.h
+++ b/arch/riscv/include/asm/processor.h
@@ -28,7 +28,7 @@
({ \
unsigned long mmap_end; \
typeof(addr) _addr = (addr); \
- if ((_addr) == 0 || (IS_ENABLED(CONFIG_COMPAT) && is_compat_task())) \
+ if ((_addr) == 0 || is_compat_task()) \
mmap_end = STACK_TOP_MAX; \
else if (((_addr) >= VA_USER_SV57) && (VA_BITS >= VA_BITS_SV57)) \
mmap_end = VA_USER_SV57; \
@@ -45,7 +45,7 @@
typeof(addr) _addr = (addr); \
typeof(base) _base = (base); \
unsigned long rnd_gap = DEFAULT_MAP_WINDOW - (_base); \
- if ((_addr) == 0 || (IS_ENABLED(CONFIG_COMPAT) && is_compat_task())) \
+ if ((_addr) == 0 || is_compat_task()) \
mmap_base = (_base); \
else if (((_addr) >= VA_USER_SV57) && (VA_BITS >= VA_BITS_SV57)) \
mmap_base = VA_USER_SV57 - rnd_gap; \
--
GitLab
From 5917ea17ad07f35bb5be4fd5fdcd408f090e347b Mon Sep 17 00:00:00 2001
From: Leonardo Bras <leobras@redhat.com>
Date: Wed, 3 Jan 2024 13:00:22 -0300
Subject: [PATCH 1347/2686] riscv: Introduce is_compat_thread() into compat.h
task_user_regset_view() makes use of a function very similar to
is_compat_task(), but pointing to a any thread.
In arm64 asm/compat.h there is a function very similar to that:
is_compat_thread(struct thread_info *thread)
Copy this function to riscv asm/compat.h and make use of it into
task_user_regset_view().
Also, introduce a compile-time test for CONFIG_COMPAT and simplify the
function code by removing the #ifdef.
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Andy Chiu <andy.chiu@sifive.com>
Link: https://lore.kernel.org/r/20240103160024.70305-6-leobras@redhat.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/compat.h | 8 ++++++++
arch/riscv/kernel/ptrace.c | 6 +++---
2 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/arch/riscv/include/asm/compat.h b/arch/riscv/include/asm/compat.h
index 91517b51b8e27..da4b28cd01a95 100644
--- a/arch/riscv/include/asm/compat.h
+++ b/arch/riscv/include/asm/compat.h
@@ -20,6 +20,14 @@ static inline int is_compat_task(void)
return test_thread_flag(TIF_32BIT);
}
+static inline int is_compat_thread(struct thread_info *thread)
+{
+ if (!IS_ENABLED(CONFIG_COMPAT))
+ return 0;
+
+ return test_ti_thread_flag(thread, TIF_32BIT);
+}
+
struct compat_user_regs_struct {
compat_ulong_t pc;
compat_ulong_t ra;
diff --git a/arch/riscv/kernel/ptrace.c b/arch/riscv/kernel/ptrace.c
index 2afe460de16a6..f362832123616 100644
--- a/arch/riscv/kernel/ptrace.c
+++ b/arch/riscv/kernel/ptrace.c
@@ -374,14 +374,14 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
return ret;
}
+#else
+static const struct user_regset_view compat_riscv_user_native_view = {};
#endif /* CONFIG_COMPAT */
const struct user_regset_view *task_user_regset_view(struct task_struct *task)
{
-#ifdef CONFIG_COMPAT
- if (test_tsk_thread_flag(task, TIF_32BIT))
+ if (is_compat_thread(&task->thread_info))
return &compat_riscv_user_native_view;
else
-#endif
return &riscv_user_native_view;
}
--
GitLab
From 2a8986fc5e1cb686dd3aae3022459aea23b9823a Mon Sep 17 00:00:00 2001
From: Leonardo Bras <leobras@redhat.com>
Date: Wed, 3 Jan 2024 13:00:23 -0300
Subject: [PATCH 1348/2686] riscv: Introduce set_compat_task() in asm/compat.h
In order to have all task compat bit access directly in compat.h, introduce
set_compat_task() to set/reset those when needed.
Also, since it's only used on an if/else scenario, simplify the macro using
it.
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20240103160024.70305-7-leobras@redhat.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/compat.h | 8 ++++++++
arch/riscv/include/asm/elf.h | 5 +----
2 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/arch/riscv/include/asm/compat.h b/arch/riscv/include/asm/compat.h
index da4b28cd01a95..aa103530a5c83 100644
--- a/arch/riscv/include/asm/compat.h
+++ b/arch/riscv/include/asm/compat.h
@@ -28,6 +28,14 @@ static inline int is_compat_thread(struct thread_info *thread)
return test_ti_thread_flag(thread, TIF_32BIT);
}
+static inline void set_compat_task(bool is_compat)
+{
+ if (is_compat)
+ set_thread_flag(TIF_32BIT);
+ else
+ clear_thread_flag(TIF_32BIT);
+}
+
struct compat_user_regs_struct {
compat_ulong_t pc;
compat_ulong_t ra;
diff --git a/arch/riscv/include/asm/elf.h b/arch/riscv/include/asm/elf.h
index 2e88257cafaea..c7aea7886d22a 100644
--- a/arch/riscv/include/asm/elf.h
+++ b/arch/riscv/include/asm/elf.h
@@ -135,10 +135,7 @@ do { \
#ifdef CONFIG_COMPAT
#define SET_PERSONALITY(ex) \
-do { if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
- set_thread_flag(TIF_32BIT); \
- else \
- clear_thread_flag(TIF_32BIT); \
+do { set_compat_task((ex).e_ident[EI_CLASS] == ELFCLASS32); \
if (personality(current->personality) != PER_LINUX32) \
set_personality(PER_LINUX | \
(current->personality & (~PER_MASK))); \
--
GitLab
From 6649182a383c9872e9543e2e7d4981d971bf0998 Mon Sep 17 00:00:00 2001
From: Sunil V L <sunilvl@ventanamicro.com>
Date: Thu, 18 Jan 2024 11:59:28 +0530
Subject: [PATCH 1349/2686] cpuidle: RISC-V: Move few functions to arch/riscv
To support ACPI Low Power Idle (LPI), few functions are required which
are currently static functions in the DT based cpuidle driver. Hence,
move them under arch/riscv so that ACPI driver also can use them. Since
they are no longer static functions, append "riscv_" prefix to the
function name.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20240118062930.245937-2-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/suspend.h | 3 ++
arch/riscv/kernel/suspend.c | 49 +++++++++++++++++++++++++++++
drivers/cpuidle/cpuidle-riscv-sbi.c | 49 +++--------------------------
3 files changed, 57 insertions(+), 44 deletions(-)
diff --git a/arch/riscv/include/asm/suspend.h b/arch/riscv/include/asm/suspend.h
index 02f87867389a9..076f8a9437cf5 100644
--- a/arch/riscv/include/asm/suspend.h
+++ b/arch/riscv/include/asm/suspend.h
@@ -55,4 +55,7 @@ int hibernate_resume_nonboot_cpu_disable(void);
asmlinkage void hibernate_restore_image(unsigned long resume_satp, unsigned long satp_temp,
unsigned long cpu_resume);
asmlinkage int hibernate_core_restore_code(void);
+bool riscv_sbi_hsm_is_supported(void);
+bool riscv_sbi_suspend_state_is_valid(u32 state);
+int riscv_sbi_hart_suspend(u32 state);
#endif
diff --git a/arch/riscv/kernel/suspend.c b/arch/riscv/kernel/suspend.c
index 239509367e423..b20f2cb5879f1 100644
--- a/arch/riscv/kernel/suspend.c
+++ b/arch/riscv/kernel/suspend.c
@@ -128,4 +128,53 @@ static int __init sbi_system_suspend_init(void)
}
arch_initcall(sbi_system_suspend_init);
+
+static int sbi_suspend_finisher(unsigned long suspend_type,
+ unsigned long resume_addr,
+ unsigned long opaque)
+{
+ struct sbiret ret;
+
+ ret = sbi_ecall(SBI_EXT_HSM, SBI_EXT_HSM_HART_SUSPEND,
+ suspend_type, resume_addr, opaque, 0, 0, 0);
+
+ return (ret.error) ? sbi_err_map_linux_errno(ret.error) : 0;
+}
+
+int riscv_sbi_hart_suspend(u32 state)
+{
+ if (state & SBI_HSM_SUSP_NON_RET_BIT)
+ return cpu_suspend(state, sbi_suspend_finisher);
+ else
+ return sbi_suspend_finisher(state, 0, 0);
+}
+
+bool riscv_sbi_suspend_state_is_valid(u32 state)
+{
+ if (state > SBI_HSM_SUSPEND_RET_DEFAULT &&
+ state < SBI_HSM_SUSPEND_RET_PLATFORM)
+ return false;
+
+ if (state > SBI_HSM_SUSPEND_NON_RET_DEFAULT &&
+ state < SBI_HSM_SUSPEND_NON_RET_PLATFORM)
+ return false;
+
+ return true;
+}
+
+bool riscv_sbi_hsm_is_supported(void)
+{
+ /*
+ * The SBI HSM suspend function is only available when:
+ * 1) SBI version is 0.3 or higher
+ * 2) SBI HSM extension is available
+ */
+ if (sbi_spec_version < sbi_mk_version(0, 3) ||
+ !sbi_probe_extension(SBI_EXT_HSM)) {
+ pr_info("HSM suspend not available\n");
+ return false;
+ }
+
+ return true;
+}
#endif /* CONFIG_RISCV_SBI */
diff --git a/drivers/cpuidle/cpuidle-riscv-sbi.c b/drivers/cpuidle/cpuidle-riscv-sbi.c
index e8094fc92491e..a6e123dfe394d 100644
--- a/drivers/cpuidle/cpuidle-riscv-sbi.c
+++ b/drivers/cpuidle/cpuidle-riscv-sbi.c
@@ -73,26 +73,6 @@ static inline bool sbi_is_domain_state_available(void)
return data->available;
}
-static int sbi_suspend_finisher(unsigned long suspend_type,
- unsigned long resume_addr,
- unsigned long opaque)
-{
- struct sbiret ret;
-
- ret = sbi_ecall(SBI_EXT_HSM, SBI_EXT_HSM_HART_SUSPEND,
- suspend_type, resume_addr, opaque, 0, 0, 0);
-
- return (ret.error) ? sbi_err_map_linux_errno(ret.error) : 0;
-}
-
-static int sbi_suspend(u32 state)
-{
- if (state & SBI_HSM_SUSP_NON_RET_BIT)
- return cpu_suspend(state, sbi_suspend_finisher);
- else
- return sbi_suspend_finisher(state, 0, 0);
-}
-
static __cpuidle int sbi_cpuidle_enter_state(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int idx)
{
@@ -100,9 +80,9 @@ static __cpuidle int sbi_cpuidle_enter_state(struct cpuidle_device *dev,
u32 state = states[idx];
if (state & SBI_HSM_SUSP_NON_RET_BIT)
- return CPU_PM_CPU_IDLE_ENTER_PARAM(sbi_suspend, idx, state);
+ return CPU_PM_CPU_IDLE_ENTER_PARAM(riscv_sbi_hart_suspend, idx, state);
else
- return CPU_PM_CPU_IDLE_ENTER_RETENTION_PARAM(sbi_suspend,
+ return CPU_PM_CPU_IDLE_ENTER_RETENTION_PARAM(riscv_sbi_hart_suspend,
idx, state);
}
@@ -133,7 +113,7 @@ static __cpuidle int __sbi_enter_domain_idle_state(struct cpuidle_device *dev,
else
state = states[idx];
- ret = sbi_suspend(state) ? -1 : idx;
+ ret = riscv_sbi_hart_suspend(state) ? -1 : idx;
ct_cpuidle_exit();
@@ -206,17 +186,6 @@ static const struct of_device_id sbi_cpuidle_state_match[] = {
{ },
};
-static bool sbi_suspend_state_is_valid(u32 state)
-{
- if (state > SBI_HSM_SUSPEND_RET_DEFAULT &&
- state < SBI_HSM_SUSPEND_RET_PLATFORM)
- return false;
- if (state > SBI_HSM_SUSPEND_NON_RET_DEFAULT &&
- state < SBI_HSM_SUSPEND_NON_RET_PLATFORM)
- return false;
- return true;
-}
-
static int sbi_dt_parse_state_node(struct device_node *np, u32 *state)
{
int err = of_property_read_u32(np, "riscv,sbi-suspend-param", state);
@@ -226,7 +195,7 @@ static int sbi_dt_parse_state_node(struct device_node *np, u32 *state)
return err;
}
- if (!sbi_suspend_state_is_valid(*state)) {
+ if (!riscv_sbi_suspend_state_is_valid(*state)) {
pr_warn("Invalid SBI suspend state %#x\n", *state);
return -EINVAL;
}
@@ -607,16 +576,8 @@ static int __init sbi_cpuidle_init(void)
int ret;
struct platform_device *pdev;
- /*
- * The SBI HSM suspend function is only available when:
- * 1) SBI version is 0.3 or higher
- * 2) SBI HSM extension is available
- */
- if ((sbi_spec_version < sbi_mk_version(0, 3)) ||
- !sbi_probe_extension(SBI_EXT_HSM)) {
- pr_info("HSM suspend not available\n");
+ if (!riscv_sbi_hsm_is_supported())
return 0;
- }
ret = platform_driver_register(&sbi_cpuidle_driver);
if (ret)
--
GitLab
From 4877fc92142f635be418d8c915eb48ef87681108 Mon Sep 17 00:00:00 2001
From: Sunil V L <sunilvl@ventanamicro.com>
Date: Thu, 18 Jan 2024 11:59:29 +0530
Subject: [PATCH 1350/2686] ACPI: RISC-V: Add LPI driver
Enable Low Power Idle (LPI) based cpuidle driver for RISC-V platforms.
It depends on SBI HSM calls for idle state transitions.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20240118062930.245937-3-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
drivers/acpi/riscv/Makefile | 3 +-
drivers/acpi/riscv/cpuidle.c | 81 ++++++++++++++++++++++++++++++++++++
2 files changed, 83 insertions(+), 1 deletion(-)
create mode 100644 drivers/acpi/riscv/cpuidle.c
diff --git a/drivers/acpi/riscv/Makefile b/drivers/acpi/riscv/Makefile
index 8b3b126e0b940..7309d92dd4772 100644
--- a/drivers/acpi/riscv/Makefile
+++ b/drivers/acpi/riscv/Makefile
@@ -1,2 +1,3 @@
# SPDX-License-Identifier: GPL-2.0-only
-obj-y += rhct.o
+obj-y += rhct.o
+obj-$(CONFIG_ACPI_PROCESSOR_IDLE) += cpuidle.o
diff --git a/drivers/acpi/riscv/cpuidle.c b/drivers/acpi/riscv/cpuidle.c
new file mode 100644
index 0000000000000..624f9bbdb58c4
--- /dev/null
+++ b/drivers/acpi/riscv/cpuidle.c
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2024, Ventana Micro Systems Inc
+ * Author: Sunil V L <sunilvl@ventanamicro.com>
+ *
+ */
+
+#include <linux/acpi.h>
+#include <acpi/processor.h>
+#include <linux/cpu_pm.h>
+#include <linux/cpuidle.h>
+#include <linux/suspend.h>
+#include <asm/cpuidle.h>
+#include <asm/sbi.h>
+#include <asm/suspend.h>
+
+#define RISCV_FFH_LPI_TYPE_MASK GENMASK_ULL(63, 60)
+#define RISCV_FFH_LPI_RSVD_MASK GENMASK_ULL(59, 32)
+
+#define RISCV_FFH_LPI_TYPE_SBI BIT_ULL(60)
+
+static int acpi_cpu_init_idle(unsigned int cpu)
+{
+ int i;
+ struct acpi_lpi_state *lpi;
+ struct acpi_processor *pr = per_cpu(processors, cpu);
+
+ if (unlikely(!pr || !pr->flags.has_lpi))
+ return -EINVAL;
+
+ if (!riscv_sbi_hsm_is_supported())
+ return -ENODEV;
+
+ if (pr->power.count <= 1)
+ return -ENODEV;
+
+ for (i = 1; i < pr->power.count; i++) {
+ u32 state;
+
+ lpi = &pr->power.lpi_states[i];
+
+ /*
+ * Validate Entry Method as per FFH spec.
+ * bits[63:60] should be 0x1
+ * bits[59:32] should be 0x0
+ * bits[31:0] represent a SBI power_state
+ */
+ if (((lpi->address & RISCV_FFH_LPI_TYPE_MASK) != RISCV_FFH_LPI_TYPE_SBI) ||
+ (lpi->address & RISCV_FFH_LPI_RSVD_MASK)) {
+ pr_warn("Invalid LPI entry method %#llx\n", lpi->address);
+ return -EINVAL;
+ }
+
+ state = lpi->address;
+ if (!riscv_sbi_suspend_state_is_valid(state)) {
+ pr_warn("Invalid SBI power state %#x\n", state);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+int acpi_processor_ffh_lpi_probe(unsigned int cpu)
+{
+ return acpi_cpu_init_idle(cpu);
+}
+
+int acpi_processor_ffh_lpi_enter(struct acpi_lpi_state *lpi)
+{
+ u32 state = lpi->address;
+
+ if (state & SBI_HSM_SUSP_NON_RET_BIT)
+ return CPU_PM_CPU_IDLE_ENTER_PARAM(riscv_sbi_hart_suspend,
+ lpi->index,
+ state);
+ else
+ return CPU_PM_CPU_IDLE_ENTER_RETENTION_PARAM(riscv_sbi_hart_suspend,
+ lpi->index,
+ state);
+}
--
GitLab
From 359df7c5be4ba5c57f641010be7237ad9f09ea53 Mon Sep 17 00:00:00 2001
From: Sunil V L <sunilvl@ventanamicro.com>
Date: Thu, 18 Jan 2024 11:59:30 +0530
Subject: [PATCH 1351/2686] ACPI: Enable ACPI_PROCESSOR for RISC-V
The ACPI processor driver is not currently enabled for RISC-V.
This is required to enable CPU related functionalities like
LPI and CPPC. Hence, enable ACPI_PROCESSOR for RISC-V.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20240118062930.245937-4-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
drivers/acpi/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 3c3f8037ebedd..1606eb622a9ff 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -286,7 +286,7 @@ config ACPI_CPPC_LIB
config ACPI_PROCESSOR
tristate "Processor"
- depends on X86 || ARM64 || LOONGARCH
+ depends on X86 || ARM64 || LOONGARCH || RISCV
select ACPI_PROCESSOR_IDLE
select ACPI_CPU_FREQ_PSS if X86 || LOONGARCH
select THERMAL
--
GitLab
From 30f3ffbee86b576705aabdd9093165a49cd66011 Mon Sep 17 00:00:00 2001
From: Sunil V L <sunilvl@ventanamicro.com>
Date: Thu, 8 Feb 2024 09:14:12 +0530
Subject: [PATCH 1352/2686] ACPI: RISC-V: Add CPPC driver
Add cpufreq driver based on ACPI CPPC for RISC-V. The driver uses either
SBI CPPC interfaces or the CSRs to access the CPPC registers as defined
by the RISC-V FFH spec.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20240208034414.22579-2-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
drivers/acpi/riscv/Makefile | 1 +
drivers/acpi/riscv/cppc.c | 157 ++++++++++++++++++++++++++++++++++++
2 files changed, 158 insertions(+)
create mode 100644 drivers/acpi/riscv/cppc.c
diff --git a/drivers/acpi/riscv/Makefile b/drivers/acpi/riscv/Makefile
index 7309d92dd4772..86b0925f612d9 100644
--- a/drivers/acpi/riscv/Makefile
+++ b/drivers/acpi/riscv/Makefile
@@ -1,3 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-y += rhct.o
obj-$(CONFIG_ACPI_PROCESSOR_IDLE) += cpuidle.o
+obj-$(CONFIG_ACPI_CPPC_LIB) += cppc.o
diff --git a/drivers/acpi/riscv/cppc.c b/drivers/acpi/riscv/cppc.c
new file mode 100644
index 0000000000000..4cdff387deff6
--- /dev/null
+++ b/drivers/acpi/riscv/cppc.c
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Implement CPPC FFH helper routines for RISC-V.
+ *
+ * Copyright (C) 2024 Ventana Micro Systems Inc.
+ */
+
+#include <acpi/cppc_acpi.h>
+#include <asm/csr.h>
+#include <asm/sbi.h>
+
+#define SBI_EXT_CPPC 0x43505043
+
+/* CPPC interfaces defined in SBI spec */
+#define SBI_CPPC_PROBE 0x0
+#define SBI_CPPC_READ 0x1
+#define SBI_CPPC_READ_HI 0x2
+#define SBI_CPPC_WRITE 0x3
+
+/* RISC-V FFH definitions from RISC-V FFH spec */
+#define FFH_CPPC_TYPE(r) (((r) & GENMASK_ULL(63, 60)) >> 60)
+#define FFH_CPPC_SBI_REG(r) ((r) & GENMASK(31, 0))
+#define FFH_CPPC_CSR_NUM(r) ((r) & GENMASK(11, 0))
+
+#define FFH_CPPC_SBI 0x1
+#define FFH_CPPC_CSR 0x2
+
+struct sbi_cppc_data {
+ u64 val;
+ u32 reg;
+ struct sbiret ret;
+};
+
+static bool cppc_ext_present;
+
+static int __init sbi_cppc_init(void)
+{
+ if (sbi_spec_version >= sbi_mk_version(2, 0) &&
+ sbi_probe_extension(SBI_EXT_CPPC) > 0) {
+ pr_info("SBI CPPC extension detected\n");
+ cppc_ext_present = true;
+ } else {
+ pr_info("SBI CPPC extension NOT detected!!\n");
+ cppc_ext_present = false;
+ }
+
+ return 0;
+}
+device_initcall(sbi_cppc_init);
+
+static void sbi_cppc_read(void *read_data)
+{
+ struct sbi_cppc_data *data = (struct sbi_cppc_data *)read_data;
+
+ data->ret = sbi_ecall(SBI_EXT_CPPC, SBI_CPPC_READ,
+ data->reg, 0, 0, 0, 0, 0);
+}
+
+static void sbi_cppc_write(void *write_data)
+{
+ struct sbi_cppc_data *data = (struct sbi_cppc_data *)write_data;
+
+ data->ret = sbi_ecall(SBI_EXT_CPPC, SBI_CPPC_WRITE,
+ data->reg, data->val, 0, 0, 0, 0);
+}
+
+static void cppc_ffh_csr_read(void *read_data)
+{
+ struct sbi_cppc_data *data = (struct sbi_cppc_data *)read_data;
+
+ switch (data->reg) {
+ /* Support only TIME CSR for now */
+ case CSR_TIME:
+ data->ret.value = csr_read(CSR_TIME);
+ data->ret.error = 0;
+ break;
+ default:
+ data->ret.error = -EINVAL;
+ break;
+ }
+}
+
+static void cppc_ffh_csr_write(void *write_data)
+{
+ struct sbi_cppc_data *data = (struct sbi_cppc_data *)write_data;
+
+ data->ret.error = -EINVAL;
+}
+
+/*
+ * Refer to drivers/acpi/cppc_acpi.c for the description of the functions
+ * below.
+ */
+bool cpc_ffh_supported(void)
+{
+ return true;
+}
+
+int cpc_read_ffh(int cpu, struct cpc_reg *reg, u64 *val)
+{
+ struct sbi_cppc_data data;
+
+ if (WARN_ON_ONCE(irqs_disabled()))
+ return -EPERM;
+
+ if (FFH_CPPC_TYPE(reg->address) == FFH_CPPC_SBI) {
+ if (!cppc_ext_present)
+ return -EINVAL;
+
+ data.reg = FFH_CPPC_SBI_REG(reg->address);
+
+ smp_call_function_single(cpu, sbi_cppc_read, &data, 1);
+
+ *val = data.ret.value;
+
+ return (data.ret.error) ? sbi_err_map_linux_errno(data.ret.error) : 0;
+ } else if (FFH_CPPC_TYPE(reg->address) == FFH_CPPC_CSR) {
+ data.reg = FFH_CPPC_CSR_NUM(reg->address);
+
+ smp_call_function_single(cpu, cppc_ffh_csr_read, &data, 1);
+
+ *val = data.ret.value;
+
+ return (data.ret.error) ? sbi_err_map_linux_errno(data.ret.error) : 0;
+ }
+
+ return -EINVAL;
+}
+
+int cpc_write_ffh(int cpu, struct cpc_reg *reg, u64 val)
+{
+ struct sbi_cppc_data data;
+
+ if (WARN_ON_ONCE(irqs_disabled()))
+ return -EPERM;
+
+ if (FFH_CPPC_TYPE(reg->address) == FFH_CPPC_SBI) {
+ if (!cppc_ext_present)
+ return -EINVAL;
+
+ data.reg = FFH_CPPC_SBI_REG(reg->address);
+ data.val = val;
+
+ smp_call_function_single(cpu, sbi_cppc_write, &data, 1);
+
+ return (data.ret.error) ? sbi_err_map_linux_errno(data.ret.error) : 0;
+ } else if (FFH_CPPC_TYPE(reg->address) == FFH_CPPC_CSR) {
+ data.reg = FFH_CPPC_CSR_NUM(reg->address);
+ data.val = val;
+
+ smp_call_function_single(cpu, cppc_ffh_csr_write, &data, 1);
+
+ return (data.ret.error) ? sbi_err_map_linux_errno(data.ret.error) : 0;
+ }
+
+ return -EINVAL;
+}
--
GitLab
From 7ee1378736f09fceef95d2c9122d2cff14a375da Mon Sep 17 00:00:00 2001
From: Sunil V L <sunilvl@ventanamicro.com>
Date: Thu, 8 Feb 2024 09:14:13 +0530
Subject: [PATCH 1353/2686] cpufreq: Move CPPC configs to common Kconfig and
add RISC-V
CPPC related config options are currently defined only in ARM specific
file. However, they are required for RISC-V as well. Instead of creating
a new Kconfig.riscv file and duplicating them, move them to the common
Kconfig file and enable RISC-V too.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20240208034414.22579-3-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
drivers/cpufreq/Kconfig | 29 +++++++++++++++++++++++++++++
drivers/cpufreq/Kconfig.arm | 26 --------------------------
2 files changed, 29 insertions(+), 26 deletions(-)
diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index 35efb53d5492a..94e55c40970a6 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -302,4 +302,33 @@ config QORIQ_CPUFREQ
which are capable of changing the CPU's frequency dynamically.
endif
+
+config ACPI_CPPC_CPUFREQ
+ tristate "CPUFreq driver based on the ACPI CPPC spec"
+ depends on ACPI_PROCESSOR
+ depends on ARM || ARM64 || RISCV
+ select ACPI_CPPC_LIB
+ help
+ This adds a CPUFreq driver which uses CPPC methods
+ as described in the ACPIv5.1 spec. CPPC stands for
+ Collaborative Processor Performance Controls. It
+ is based on an abstract continuous scale of CPU
+ performance values which allows the remote power
+ processor to flexibly optimize for power and
+ performance. CPPC relies on power management firmware
+ support for its operation.
+
+ If in doubt, say N.
+
+config ACPI_CPPC_CPUFREQ_FIE
+ bool "Frequency Invariance support for CPPC cpufreq driver"
+ depends on ACPI_CPPC_CPUFREQ && GENERIC_ARCH_TOPOLOGY
+ depends on ARM || ARM64 || RISCV
+ default y
+ help
+ This extends frequency invariance support in the CPPC cpufreq driver,
+ by using CPPC delivered and reference performance counters.
+
+ If in doubt, say N.
+
endmenu
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index f911606897b8d..987b3d900a89b 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -3,32 +3,6 @@
# ARM CPU Frequency scaling drivers
#
-config ACPI_CPPC_CPUFREQ
- tristate "CPUFreq driver based on the ACPI CPPC spec"
- depends on ACPI_PROCESSOR
- select ACPI_CPPC_LIB
- help
- This adds a CPUFreq driver which uses CPPC methods
- as described in the ACPIv5.1 spec. CPPC stands for
- Collaborative Processor Performance Controls. It
- is based on an abstract continuous scale of CPU
- performance values which allows the remote power
- processor to flexibly optimize for power and
- performance. CPPC relies on power management firmware
- support for its operation.
-
- If in doubt, say N.
-
-config ACPI_CPPC_CPUFREQ_FIE
- bool "Frequency Invariance support for CPPC cpufreq driver"
- depends on ACPI_CPPC_CPUFREQ && GENERIC_ARCH_TOPOLOGY
- default y
- help
- This extends frequency invariance support in the CPPC cpufreq driver,
- by using CPPC delivered and reference performance counters.
-
- If in doubt, say N.
-
config ARM_ALLWINNER_SUN50I_CPUFREQ_NVMEM
tristate "Allwinner nvmem based SUN50I CPUFreq driver"
depends on ARCH_SUNXI
--
GitLab
From 282b9df4e9603bbb5c9cbf3ea60bc393287e8a2f Mon Sep 17 00:00:00 2001
From: Sunil V L <sunilvl@ventanamicro.com>
Date: Thu, 8 Feb 2024 09:14:14 +0530
Subject: [PATCH 1354/2686] RISC-V: defconfig: Enable CONFIG_ACPI_CPPC_CPUFREQ
CONFIG_ACPI_CPPC_CPUFREQ is required to enable CPPC for RISC-V.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20240208034414.22579-4-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/configs/defconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
index eaf34e871e308..2988ecd3eb4d6 100644
--- a/arch/riscv/configs/defconfig
+++ b/arch/riscv/configs/defconfig
@@ -44,6 +44,7 @@ CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
CONFIG_CPUFREQ_DT=y
+CONFIG_ACPI_CPPC_CPUFREQ=m
CONFIG_VIRTUALIZATION=y
CONFIG_KVM=m
CONFIG_ACPI=y
--
GitLab
From 89f4fd7b1ab7733d9d817e7123c58996ca38ae98 Mon Sep 17 00:00:00 2001
From: Eric Chan <ericchancf@google.com>
Date: Sat, 17 Feb 2024 13:12:49 +0000
Subject: [PATCH 1355/2686] riscv/barrier: Define __{mb,rmb,wmb}
Introduce __{mb,rmb,wmb}, and rely on the generic definitions for
{mb,rmb,wmb}. Although KCSAN is not supported yet, the definitions can
be made more consistent with generic instrumentation. Also add a space
to make the changes pass check by checkpatch.pl.
Without the space, the error message is as below:
ERROR: space required after that ',' (ctx:VxV)
26: FILE: arch/riscv/include/asm/barrier.h:23:
+#define __mb() RISCV_FENCE(iorw,iorw)
^
Signed-off-by: Eric Chan <ericchancf@google.com>
Reviewed-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240217131249.3668103-1-ericchancf@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/barrier.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/riscv/include/asm/barrier.h b/arch/riscv/include/asm/barrier.h
index 110752594228e..173b44a989f8b 100644
--- a/arch/riscv/include/asm/barrier.h
+++ b/arch/riscv/include/asm/barrier.h
@@ -20,9 +20,9 @@
__asm__ __volatile__ ("fence " #p "," #s : : : "memory")
/* These barriers need to enforce ordering on both devices or memory. */
-#define mb() RISCV_FENCE(iorw,iorw)
-#define rmb() RISCV_FENCE(ir,ir)
-#define wmb() RISCV_FENCE(ow,ow)
+#define __mb() RISCV_FENCE(iorw, iorw)
+#define __rmb() RISCV_FENCE(ir, ir)
+#define __wmb() RISCV_FENCE(ow, ow)
/* These barriers do not need to enforce ordering on devices, just memory. */
#define __smp_mb() RISCV_FENCE(rw,rw)
--
GitLab
From b3c8064ccc447be45a3bdc2c4a9ea0491f011920 Mon Sep 17 00:00:00 2001
From: Eric Chan <ericchancf@google.com>
Date: Sat, 17 Feb 2024 13:13:02 +0000
Subject: [PATCH 1356/2686] riscv/barrier: Define RISCV_FULL_BARRIER
Introduce RISCV_FULL_BARRIER and use in arch_atomic* function.
like RISCV_ACQUIRE_BARRIER and RISCV_RELEASE_BARRIER, the fence
instruction can be eliminated When SMP is not enabled.
Signed-off-by: Eric Chan <ericchancf@google.com>
Reviewed-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240217131302.3668481-1-ericchancf@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/atomic.h | 16 ++++++++--------
arch/riscv/include/asm/cmpxchg.h | 4 ++--
arch/riscv/include/asm/fence.h | 2 ++
3 files changed, 12 insertions(+), 10 deletions(-)
diff --git a/arch/riscv/include/asm/atomic.h b/arch/riscv/include/asm/atomic.h
index f5dfef6c2153f..31e6e2e7cc181 100644
--- a/arch/riscv/include/asm/atomic.h
+++ b/arch/riscv/include/asm/atomic.h
@@ -207,7 +207,7 @@ static __always_inline int arch_atomic_fetch_add_unless(atomic_t *v, int a, int
" add %[rc], %[p], %[a]\n"
" sc.w.rl %[rc], %[rc], %[c]\n"
" bnez %[rc], 0b\n"
- " fence rw, rw\n"
+ RISCV_FULL_BARRIER
"1:\n"
: [p]"=&r" (prev), [rc]"=&r" (rc), [c]"+A" (v->counter)
: [a]"r" (a), [u]"r" (u)
@@ -228,7 +228,7 @@ static __always_inline s64 arch_atomic64_fetch_add_unless(atomic64_t *v, s64 a,
" add %[rc], %[p], %[a]\n"
" sc.d.rl %[rc], %[rc], %[c]\n"
" bnez %[rc], 0b\n"
- " fence rw, rw\n"
+ RISCV_FULL_BARRIER
"1:\n"
: [p]"=&r" (prev), [rc]"=&r" (rc), [c]"+A" (v->counter)
: [a]"r" (a), [u]"r" (u)
@@ -248,7 +248,7 @@ static __always_inline bool arch_atomic_inc_unless_negative(atomic_t *v)
" addi %[rc], %[p], 1\n"
" sc.w.rl %[rc], %[rc], %[c]\n"
" bnez %[rc], 0b\n"
- " fence rw, rw\n"
+ RISCV_FULL_BARRIER
"1:\n"
: [p]"=&r" (prev), [rc]"=&r" (rc), [c]"+A" (v->counter)
:
@@ -268,7 +268,7 @@ static __always_inline bool arch_atomic_dec_unless_positive(atomic_t *v)
" addi %[rc], %[p], -1\n"
" sc.w.rl %[rc], %[rc], %[c]\n"
" bnez %[rc], 0b\n"
- " fence rw, rw\n"
+ RISCV_FULL_BARRIER
"1:\n"
: [p]"=&r" (prev), [rc]"=&r" (rc), [c]"+A" (v->counter)
:
@@ -288,7 +288,7 @@ static __always_inline int arch_atomic_dec_if_positive(atomic_t *v)
" bltz %[rc], 1f\n"
" sc.w.rl %[rc], %[rc], %[c]\n"
" bnez %[rc], 0b\n"
- " fence rw, rw\n"
+ RISCV_FULL_BARRIER
"1:\n"
: [p]"=&r" (prev), [rc]"=&r" (rc), [c]"+A" (v->counter)
:
@@ -310,7 +310,7 @@ static __always_inline bool arch_atomic64_inc_unless_negative(atomic64_t *v)
" addi %[rc], %[p], 1\n"
" sc.d.rl %[rc], %[rc], %[c]\n"
" bnez %[rc], 0b\n"
- " fence rw, rw\n"
+ RISCV_FULL_BARRIER
"1:\n"
: [p]"=&r" (prev), [rc]"=&r" (rc), [c]"+A" (v->counter)
:
@@ -331,7 +331,7 @@ static __always_inline bool arch_atomic64_dec_unless_positive(atomic64_t *v)
" addi %[rc], %[p], -1\n"
" sc.d.rl %[rc], %[rc], %[c]\n"
" bnez %[rc], 0b\n"
- " fence rw, rw\n"
+ RISCV_FULL_BARRIER
"1:\n"
: [p]"=&r" (prev), [rc]"=&r" (rc), [c]"+A" (v->counter)
:
@@ -352,7 +352,7 @@ static __always_inline s64 arch_atomic64_dec_if_positive(atomic64_t *v)
" bltz %[rc], 1f\n"
" sc.d.rl %[rc], %[rc], %[c]\n"
" bnez %[rc], 0b\n"
- " fence rw, rw\n"
+ RISCV_FULL_BARRIER
"1:\n"
: [p]"=&r" (prev), [rc]"=&r" (rc), [c]"+A" (v->counter)
:
diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h
index 2f4726d3cfcc2..a608e4d1a0a41 100644
--- a/arch/riscv/include/asm/cmpxchg.h
+++ b/arch/riscv/include/asm/cmpxchg.h
@@ -313,7 +313,7 @@
" bne %0, %z3, 1f\n" \
" sc.w.rl %1, %z4, %2\n" \
" bnez %1, 0b\n" \
- " fence rw, rw\n" \
+ RISCV_FULL_BARRIER \
"1:\n" \
: "=&r" (__ret), "=&r" (__rc), "+A" (*__ptr) \
: "rJ" ((long)__old), "rJ" (__new) \
@@ -325,7 +325,7 @@
" bne %0, %z3, 1f\n" \
" sc.d.rl %1, %z4, %2\n" \
" bnez %1, 0b\n" \
- " fence rw, rw\n" \
+ RISCV_FULL_BARRIER \
"1:\n" \
: "=&r" (__ret), "=&r" (__rc), "+A" (*__ptr) \
: "rJ" (__old), "rJ" (__new) \
diff --git a/arch/riscv/include/asm/fence.h b/arch/riscv/include/asm/fence.h
index 2b443a3a487f3..6c26c44dfcd62 100644
--- a/arch/riscv/include/asm/fence.h
+++ b/arch/riscv/include/asm/fence.h
@@ -4,9 +4,11 @@
#ifdef CONFIG_SMP
#define RISCV_ACQUIRE_BARRIER "\tfence r , rw\n"
#define RISCV_RELEASE_BARRIER "\tfence rw, w\n"
+#define RISCV_FULL_BARRIER "\tfence rw, rw\n"
#else
#define RISCV_ACQUIRE_BARRIER
#define RISCV_RELEASE_BARRIER
+#define RISCV_FULL_BARRIER
#endif
#endif /* _ASM_RISCV_FENCE_H */
--
GitLab
From c85688e2b0f0afbce7ea3cd8c47f2be67c09b9f4 Mon Sep 17 00:00:00 2001
From: Eric Chan <ericchancf@google.com>
Date: Sat, 17 Feb 2024 13:13:16 +0000
Subject: [PATCH 1357/2686] riscv/barrier: Consolidate fence definitions
Disparate fence implementations are consolidated into fence.h.
Also introduce RISCV_FENCE_ASM to make fence macro more reusable.
Signed-off-by: Eric Chan <ericchancf@google.com>
Reviewed-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240217131316.3668927-1-ericchancf@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/atomic.h | 1 -
arch/riscv/include/asm/barrier.h | 3 +--
arch/riscv/include/asm/cmpxchg.h | 1 -
arch/riscv/include/asm/fence.h | 10 +++++++---
arch/riscv/include/asm/io.h | 8 ++++----
arch/riscv/include/asm/mmio.h | 5 +++--
arch/riscv/include/asm/mmiowb.h | 2 +-
7 files changed, 16 insertions(+), 14 deletions(-)
diff --git a/arch/riscv/include/asm/atomic.h b/arch/riscv/include/asm/atomic.h
index 31e6e2e7cc181..0e0522e588ca6 100644
--- a/arch/riscv/include/asm/atomic.h
+++ b/arch/riscv/include/asm/atomic.h
@@ -17,7 +17,6 @@
#endif
#include <asm/cmpxchg.h>
-#include <asm/barrier.h>
#define __atomic_acquire_fence() \
__asm__ __volatile__(RISCV_ACQUIRE_BARRIER "" ::: "memory")
diff --git a/arch/riscv/include/asm/barrier.h b/arch/riscv/include/asm/barrier.h
index 173b44a989f8b..15857dbc2279f 100644
--- a/arch/riscv/include/asm/barrier.h
+++ b/arch/riscv/include/asm/barrier.h
@@ -11,13 +11,12 @@
#define _ASM_RISCV_BARRIER_H
#ifndef __ASSEMBLY__
+#include <asm/fence.h>
#define nop() __asm__ __volatile__ ("nop")
#define __nops(n) ".rept " #n "\nnop\n.endr\n"
#define nops(n) __asm__ __volatile__ (__nops(n))
-#define RISCV_FENCE(p, s) \
- __asm__ __volatile__ ("fence " #p "," #s : : : "memory")
/* These barriers need to enforce ordering on both devices or memory. */
#define __mb() RISCV_FENCE(iorw, iorw)
diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h
index a608e4d1a0a41..2fee65cc84432 100644
--- a/arch/riscv/include/asm/cmpxchg.h
+++ b/arch/riscv/include/asm/cmpxchg.h
@@ -8,7 +8,6 @@
#include <linux/bug.h>
-#include <asm/barrier.h>
#include <asm/fence.h>
#define __xchg_relaxed(ptr, new, size) \
diff --git a/arch/riscv/include/asm/fence.h b/arch/riscv/include/asm/fence.h
index 6c26c44dfcd62..6bcd80325dfc1 100644
--- a/arch/riscv/include/asm/fence.h
+++ b/arch/riscv/include/asm/fence.h
@@ -1,10 +1,14 @@
#ifndef _ASM_RISCV_FENCE_H
#define _ASM_RISCV_FENCE_H
+#define RISCV_FENCE_ASM(p, s) "\tfence " #p "," #s "\n"
+#define RISCV_FENCE(p, s) \
+ ({ __asm__ __volatile__ (RISCV_FENCE_ASM(p, s) : : : "memory"); })
+
#ifdef CONFIG_SMP
-#define RISCV_ACQUIRE_BARRIER "\tfence r , rw\n"
-#define RISCV_RELEASE_BARRIER "\tfence rw, w\n"
-#define RISCV_FULL_BARRIER "\tfence rw, rw\n"
+#define RISCV_ACQUIRE_BARRIER RISCV_FENCE_ASM(r, rw)
+#define RISCV_RELEASE_BARRIER RISCV_FENCE_ASM(rw, w)
+#define RISCV_FULL_BARRIER RISCV_FENCE_ASM(rw, rw)
#else
#define RISCV_ACQUIRE_BARRIER
#define RISCV_RELEASE_BARRIER
diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h
index 42497d487a174..1c5c641075d2f 100644
--- a/arch/riscv/include/asm/io.h
+++ b/arch/riscv/include/asm/io.h
@@ -47,10 +47,10 @@
* sufficient to ensure this works sanely on controllers that support I/O
* writes.
*/
-#define __io_pbr() __asm__ __volatile__ ("fence io,i" : : : "memory");
-#define __io_par(v) __asm__ __volatile__ ("fence i,ior" : : : "memory");
-#define __io_pbw() __asm__ __volatile__ ("fence iow,o" : : : "memory");
-#define __io_paw() __asm__ __volatile__ ("fence o,io" : : : "memory");
+#define __io_pbr() RISCV_FENCE(io, i)
+#define __io_par(v) RISCV_FENCE(i, ior)
+#define __io_pbw() RISCV_FENCE(iow, o)
+#define __io_paw() RISCV_FENCE(o, io)
/*
* Accesses from a single hart to a single I/O address must be ordered. This
diff --git a/arch/riscv/include/asm/mmio.h b/arch/riscv/include/asm/mmio.h
index 4c58ee7f95ecf..06cadfd7a237a 100644
--- a/arch/riscv/include/asm/mmio.h
+++ b/arch/riscv/include/asm/mmio.h
@@ -12,6 +12,7 @@
#define _ASM_RISCV_MMIO_H
#include <linux/types.h>
+#include <asm/fence.h>
#include <asm/mmiowb.h>
/* Generic IO read/write. These perform native-endian accesses. */
@@ -131,8 +132,8 @@ static inline u64 __raw_readq(const volatile void __iomem *addr)
* doesn't define any ordering between the memory space and the I/O space.
*/
#define __io_br() do {} while (0)
-#define __io_ar(v) ({ __asm__ __volatile__ ("fence i,ir" : : : "memory"); })
-#define __io_bw() ({ __asm__ __volatile__ ("fence w,o" : : : "memory"); })
+#define __io_ar(v) RISCV_FENCE(i, ir)
+#define __io_bw() RISCV_FENCE(w, o)
#define __io_aw() mmiowb_set_pending()
#define readb(c) ({ u8 __v; __io_br(); __v = readb_cpu(c); __io_ar(__v); __v; })
diff --git a/arch/riscv/include/asm/mmiowb.h b/arch/riscv/include/asm/mmiowb.h
index 0b2333e71fdc5..52ce4a399d9b2 100644
--- a/arch/riscv/include/asm/mmiowb.h
+++ b/arch/riscv/include/asm/mmiowb.h
@@ -7,7 +7,7 @@
* "o,w" is sufficient to ensure that all writes to the device have completed
* before the write to the spinlock is allowed to commit.
*/
-#define mmiowb() __asm__ __volatile__ ("fence o,w" : : : "memory");
+#define mmiowb() RISCV_FENCE(o, w)
#include <linux/smp.h>
#include <asm-generic/mmiowb.h>
--
GitLab
From 9133e6e6908d95812e89619f8a86abd0deb17bf3 Mon Sep 17 00:00:00 2001
From: Eric Chan <ericchancf@google.com>
Date: Sat, 17 Feb 2024 13:13:28 +0000
Subject: [PATCH 1358/2686] riscv/barrier: Add missing space after ','
The past form of RISCV_FENCE would cause checkpatch.pl to issue
error messages, the example is as follows:
ERROR: space required after that ',' (ctx:VxV)
26: FILE: arch/riscv/include/asm/barrier.h:27:
+#define __smp_mb() RISCV_FENCE(rw,rw)
^
fix the remaining of RISCV_FENCE.
Signed-off-by: Eric Chan <ericchancf@google.com>
Reviewed-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240217131328.3669364-1-ericchancf@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/barrier.h | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/riscv/include/asm/barrier.h b/arch/riscv/include/asm/barrier.h
index 15857dbc2279f..880b56d8480d1 100644
--- a/arch/riscv/include/asm/barrier.h
+++ b/arch/riscv/include/asm/barrier.h
@@ -24,14 +24,14 @@
#define __wmb() RISCV_FENCE(ow, ow)
/* These barriers do not need to enforce ordering on devices, just memory. */
-#define __smp_mb() RISCV_FENCE(rw,rw)
-#define __smp_rmb() RISCV_FENCE(r,r)
-#define __smp_wmb() RISCV_FENCE(w,w)
+#define __smp_mb() RISCV_FENCE(rw, rw)
+#define __smp_rmb() RISCV_FENCE(r, r)
+#define __smp_wmb() RISCV_FENCE(w, w)
#define __smp_store_release(p, v) \
do { \
compiletime_assert_atomic_type(*p); \
- RISCV_FENCE(rw,w); \
+ RISCV_FENCE(rw, w); \
WRITE_ONCE(*p, v); \
} while (0)
@@ -39,7 +39,7 @@ do { \
({ \
typeof(*p) ___p1 = READ_ONCE(*p); \
compiletime_assert_atomic_type(*p); \
- RISCV_FENCE(r,rw); \
+ RISCV_FENCE(r, rw); \
___p1; \
})
@@ -68,7 +68,7 @@ do { \
* instances the scheduler pairs this with an mb(), so nothing is necessary on
* the new hart.
*/
-#define smp_mb__after_spinlock() RISCV_FENCE(iorw,iorw)
+#define smp_mb__after_spinlock() RISCV_FENCE(iorw, iorw)
#include <asm-generic/barrier.h>
--
GitLab
From d27e2da94a42655861ca4baea30c8cd65546f25d Mon Sep 17 00:00:00 2001
From: Thinh Tran <thinhtr@linux.ibm.com>
Date: Fri, 15 Mar 2024 15:55:35 -0500
Subject: [PATCH 1359/2686] net/bnx2x: Prevent access to a freed page in
page_pool
Fix race condition leading to system crash during EEH error handling
During EEH error recovery, the bnx2x driver's transmit timeout logic
could cause a race condition when handling reset tasks. The
bnx2x_tx_timeout() schedules reset tasks via bnx2x_sp_rtnl_task(),
which ultimately leads to bnx2x_nic_unload(). In bnx2x_nic_unload()
SGEs are freed using bnx2x_free_rx_sge_range(). However, this could
overlap with the EEH driver's attempt to reset the device using
bnx2x_io_slot_reset(), which also tries to free SGEs. This race
condition can result in system crashes due to accessing freed memory
locations in bnx2x_free_rx_sge()
799 static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
800 struct bnx2x_fastpath *fp, u16 index)
801 {
802 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
803 struct page *page = sw_buf->page;
....
where sw_buf was set to NULL after the call to dma_unmap_page()
by the preceding thread.
EEH: Beginning: 'slot_reset'
PCI 0011:01:00.0#10000: EEH: Invoking bnx2x->slot_reset()
bnx2x: [bnx2x_io_slot_reset:14228(eth1)]IO slot reset initializing...
bnx2x 0011:01:00.0: enabling device (0140 -> 0142)
bnx2x: [bnx2x_io_slot_reset:14244(eth1)]IO slot reset --> driver unload
Kernel attempted to read user page (0) - exploit attempt? (uid: 0)
BUG: Kernel NULL pointer dereference on read at 0x00000000
Faulting instruction address: 0xc0080000025065fc
Oops: Kernel access of bad area, sig: 11 [#1]
.....
Call Trace:
[c000000003c67a20] [c00800000250658c] bnx2x_io_slot_reset+0x204/0x610 [bnx2x] (unreliable)
[c000000003c67af0] [c0000000000518a8] eeh_report_reset+0xb8/0xf0
[c000000003c67b60] [c000000000052130] eeh_pe_report+0x180/0x550
[c000000003c67c70] [c00000000005318c] eeh_handle_normal_event+0x84c/0xa60
[c000000003c67d50] [c000000000053a84] eeh_event_handler+0xf4/0x170
[c000000003c67da0] [c000000000194c58] kthread+0x1c8/0x1d0
[c000000003c67e10] [c00000000000cf64] ret_from_kernel_thread+0x5c/0x64
To solve this issue, we need to verify page pool allocations before
freeing.
Fixes: 4cace675d687 ("bnx2x: Alloc 4k fragment for each rx ring buffer element")
Signed-off-by: Thinh Tran <thinhtr@linux.ibm.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240315205535.1321-1-thinhtr@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index d8b1824c334d3..0bc1367fd6492 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -1002,9 +1002,6 @@ static inline void bnx2x_set_fw_mac_addr(__le16 *fw_hi, __le16 *fw_mid,
static inline void bnx2x_free_rx_mem_pool(struct bnx2x *bp,
struct bnx2x_alloc_pool *pool)
{
- if (!pool->page)
- return;
-
put_page(pool->page);
pool->page = NULL;
@@ -1015,6 +1012,9 @@ static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
{
int i;
+ if (!fp->page_pool.page)
+ return;
+
if (fp->mode == TPA_MODE_DISABLED)
return;
--
GitLab
From 956c0d6191075f0592367512bf07aede458f0151 Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Fri, 15 Mar 2024 15:47:10 -0700
Subject: [PATCH 1360/2686] tcp: Clear req->syncookie in reqsk_alloc().
syzkaller reported a read of uninit req->syncookie. [0]
Originally, req->syncookie was used only in tcp_conn_request()
to indicate if we need to encode SYN cookie in SYN+ACK, so the
field remains uninitialised in other places.
The commit 695751e31a63 ("bpf: tcp: Handle BPF SYN Cookie in
cookie_v[46]_check().") added another meaning in ACK path;
req->syncookie is set true if SYN cookie is validated by BPF
kfunc.
After the change, cookie_v[46]_check() always read req->syncookie,
but it is not initialised in the normal SYN cookie case as reported
by KMSAN.
Let's make sure we always initialise req->syncookie in reqsk_alloc().
[0]:
BUG: KMSAN: uninit-value in cookie_v4_check+0x22b7/0x29e0
net/ipv4/syncookies.c:477
cookie_v4_check+0x22b7/0x29e0 net/ipv4/syncookies.c:477
tcp_v4_cookie_check net/ipv4/tcp_ipv4.c:1855 [inline]
tcp_v4_do_rcv+0xb17/0x10b0 net/ipv4/tcp_ipv4.c:1914
tcp_v4_rcv+0x4ce4/0x5420 net/ipv4/tcp_ipv4.c:2322
ip_protocol_deliver_rcu+0x2a3/0x13d0 net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x332/0x500 net/ipv4/ip_input.c:233
NF_HOOK include/linux/netfilter.h:314 [inline]
ip_local_deliver+0x21f/0x490 net/ipv4/ip_input.c:254
dst_input include/net/dst.h:460 [inline]
ip_rcv_finish+0x4a2/0x520 net/ipv4/ip_input.c:449
NF_HOOK include/linux/netfilter.h:314 [inline]
ip_rcv+0xcd/0x380 net/ipv4/ip_input.c:569
__netif_receive_skb_one_core net/core/dev.c:5538 [inline]
__netif_receive_skb+0x319/0x9e0 net/core/dev.c:5652
process_backlog+0x480/0x8b0 net/core/dev.c:5981
__napi_poll+0xe7/0x980 net/core/dev.c:6632
napi_poll net/core/dev.c:6701 [inline]
net_rx_action+0x89d/0x1820 net/core/dev.c:6813
__do_softirq+0x1c0/0x7d7 kernel/softirq.c:554
do_softirq+0x9a/0x100 kernel/softirq.c:455
__local_bh_enable_ip+0x9f/0xb0 kernel/softirq.c:382
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:820 [inline]
__dev_queue_xmit+0x2776/0x52c0 net/core/dev.c:4362
dev_queue_xmit include/linux/netdevice.h:3091 [inline]
neigh_hh_output include/net/neighbour.h:526 [inline]
neigh_output include/net/neighbour.h:540 [inline]
ip_finish_output2+0x187a/0x1b70 net/ipv4/ip_output.c:235
__ip_finish_output+0x287/0x810
ip_finish_output+0x4b/0x550 net/ipv4/ip_output.c:323
NF_HOOK_COND include/linux/netfilter.h:303 [inline]
ip_output+0x15f/0x3f0 net/ipv4/ip_output.c:433
dst_output include/net/dst.h:450 [inline]
ip_local_out net/ipv4/ip_output.c:129 [inline]
__ip_queue_xmit+0x1e93/0x2030 net/ipv4/ip_output.c:535
ip_queue_xmit+0x60/0x80 net/ipv4/ip_output.c:549
__tcp_transmit_skb+0x3c70/0x4890 net/ipv4/tcp_output.c:1462
tcp_transmit_skb net/ipv4/tcp_output.c:1480 [inline]
tcp_write_xmit+0x3ee1/0x8900 net/ipv4/tcp_output.c:2792
__tcp_push_pending_frames net/ipv4/tcp_output.c:2977 [inline]
tcp_send_fin+0xa90/0x12e0 net/ipv4/tcp_output.c:3578
tcp_shutdown+0x198/0x1f0 net/ipv4/tcp.c:2716
inet_shutdown+0x33f/0x5b0 net/ipv4/af_inet.c:923
__sys_shutdown_sock net/socket.c:2425 [inline]
__sys_shutdown net/socket.c:2437 [inline]
__do_sys_shutdown net/socket.c:2445 [inline]
__se_sys_shutdown+0x2a4/0x440 net/socket.c:2443
__x64_sys_shutdown+0x6c/0xa0 net/socket.c:2443
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
Uninit was stored to memory at:
reqsk_alloc include/net/request_sock.h:148 [inline]
inet_reqsk_alloc+0x651/0x7a0 net/ipv4/tcp_input.c:6978
cookie_tcp_reqsk_alloc+0xd4/0x900 net/ipv4/syncookies.c:328
cookie_tcp_check net/ipv4/syncookies.c:388 [inline]
cookie_v4_check+0x289f/0x29e0 net/ipv4/syncookies.c:420
tcp_v4_cookie_check net/ipv4/tcp_ipv4.c:1855 [inline]
tcp_v4_do_rcv+0xb17/0x10b0 net/ipv4/tcp_ipv4.c:1914
tcp_v4_rcv+0x4ce4/0x5420 net/ipv4/tcp_ipv4.c:2322
ip_protocol_deliver_rcu+0x2a3/0x13d0 net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x332/0x500 net/ipv4/ip_input.c:233
NF_HOOK include/linux/netfilter.h:314 [inline]
ip_local_deliver+0x21f/0x490 net/ipv4/ip_input.c:254
dst_input include/net/dst.h:460 [inline]
ip_rcv_finish+0x4a2/0x520 net/ipv4/ip_input.c:449
NF_HOOK include/linux/netfilter.h:314 [inline]
ip_rcv+0xcd/0x380 net/ipv4/ip_input.c:569
__netif_receive_skb_one_core net/core/dev.c:5538 [inline]
__netif_receive_skb+0x319/0x9e0 net/core/dev.c:5652
process_backlog+0x480/0x8b0 net/core/dev.c:5981
__napi_poll+0xe7/0x980 net/core/dev.c:6632
napi_poll net/core/dev.c:6701 [inline]
net_rx_action+0x89d/0x1820 net/core/dev.c:6813
__do_softirq+0x1c0/0x7d7 kernel/softirq.c:554
Uninit was created at:
__alloc_pages+0x9a7/0xe00 mm/page_alloc.c:4592
__alloc_pages_node include/linux/gfp.h:238 [inline]
alloc_pages_node include/linux/gfp.h:261 [inline]
alloc_slab_page mm/slub.c:2175 [inline]
allocate_slab mm/slub.c:2338 [inline]
new_slab+0x2de/0x1400 mm/slub.c:2391
___slab_alloc+0x1184/0x33d0 mm/slub.c:3525
__slab_alloc mm/slub.c:3610 [inline]
__slab_alloc_node mm/slub.c:3663 [inline]
slab_alloc_node mm/slub.c:3835 [inline]
kmem_cache_alloc+0x6d3/0xbe0 mm/slub.c:3852
reqsk_alloc include/net/request_sock.h:131 [inline]
inet_reqsk_alloc+0x66/0x7a0 net/ipv4/tcp_input.c:6978
tcp_conn_request+0x484/0x44e0 net/ipv4/tcp_input.c:7135
tcp_v4_conn_request+0x16f/0x1d0 net/ipv4/tcp_ipv4.c:1716
tcp_rcv_state_process+0x2e5/0x4bb0 net/ipv4/tcp_input.c:6655
tcp_v4_do_rcv+0xbfd/0x10b0 net/ipv4/tcp_ipv4.c:1929
tcp_v4_rcv+0x4ce4/0x5420 net/ipv4/tcp_ipv4.c:2322
ip_protocol_deliver_rcu+0x2a3/0x13d0 net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x332/0x500 net/ipv4/ip_input.c:233
NF_HOOK include/linux/netfilter.h:314 [inline]
ip_local_deliver+0x21f/0x490 net/ipv4/ip_input.c:254
dst_input include/net/dst.h:460 [inline]
ip_sublist_rcv_finish net/ipv4/ip_input.c:580 [inline]
ip_list_rcv_finish net/ipv4/ip_input.c:631 [inline]
ip_sublist_rcv+0x15f3/0x17f0 net/ipv4/ip_input.c:639
ip_list_rcv+0x9ef/0xa40 net/ipv4/ip_input.c:674
__netif_receive_skb_list_ptype net/core/dev.c:5581 [inline]
__netif_receive_skb_list_core+0x15c5/0x1670 net/core/dev.c:5629
__netif_receive_skb_list net/core/dev.c:5681 [inline]
netif_receive_skb_list_internal+0x106c/0x16f0 net/core/dev.c:5773
gro_normal_list include/net/gro.h:438 [inline]
napi_complete_done+0x425/0x880 net/core/dev.c:6113
virtqueue_napi_complete drivers/net/virtio_net.c:465 [inline]
virtnet_poll+0x149d/0x2240 drivers/net/virtio_net.c:2211
__napi_poll+0xe7/0x980 net/core/dev.c:6632
napi_poll net/core/dev.c:6701 [inline]
net_rx_action+0x89d/0x1820 net/core/dev.c:6813
__do_softirq+0x1c0/0x7d7 kernel/softirq.c:554
CPU: 0 PID: 16792 Comm: syz-executor.2 Not tainted 6.8.0-syzkaller-05562-g61387b8dcf1d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Fixes: 695751e31a63 ("bpf: tcp: Handle BPF SYN Cookie in cookie_v[46]_check().")
Reported-by: syzkaller <syzkaller@googlegroups.com>
Reported-by: Eric Dumazet <edumazet@google.com>
Closes: https://lore.kernel.org/bpf/CANn89iKdN9c+C_2JAUbc+VY3DDQjAQukMtiBbormAmAk9CdvQA@mail.gmail.com/
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20240315224710.55209-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
include/net/request_sock.h | 7 ++++++-
net/ipv4/syncookies.c | 3 +++
net/ipv6/syncookies.c | 3 +++
3 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index 8839133d6f6b7..004e651e6067e 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -61,7 +61,11 @@ struct request_sock {
struct request_sock *dl_next;
u16 mss;
u8 num_retrans; /* number of retransmits */
- u8 syncookie:1; /* syncookie: encode tcpopts in timestamp */
+ u8 syncookie:1; /* True if
+ * 1) tcpopts needs to be encoded in
+ * TS of SYN+ACK
+ * 2) ACK is validated by BPF kfunc.
+ */
u8 num_timeout:7; /* number of timeouts */
u32 ts_recent;
struct timer_list rsk_timer;
@@ -144,6 +148,7 @@ reqsk_alloc(const struct request_sock_ops *ops, struct sock *sk_listener,
sk_node_init(&req_to_sk(req)->sk_node);
sk_tx_queue_clear(req_to_sk(req));
req->saved_syn = NULL;
+ req->syncookie = 0;
req->timeout = 0;
req->num_timeout = 0;
req->num_retrans = 0;
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 7972ad3d7c73a..500f665f98cbc 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -474,6 +474,9 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb)
ireq->wscale_ok, &rcv_wscale,
dst_metric(&rt->dst, RTAX_INITRWND));
+ /* req->syncookie is set true only if ACK is validated
+ * by BPF kfunc, then, rcv_wscale is already configured.
+ */
if (!req->syncookie)
ireq->rcv_wscale = rcv_wscale;
ireq->ecn_ok &= cookie_ecn_ok(net, &rt->dst);
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 8bad0a44a0a6c..6d8286c299c9d 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -258,6 +258,9 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
ireq->wscale_ok, &rcv_wscale,
dst_metric(dst, RTAX_INITRWND));
+ /* req->syncookie is set true only if ACK is validated
+ * by BPF kfunc, then, rcv_wscale is already configured.
+ */
if (!req->syncookie)
ireq->rcv_wscale = rcv_wscale;
ireq->ecn_ok &= cookie_ecn_ok(net, dst);
--
GitLab
From 78a2f5e6c15d8dcbd6495bb9635c7cb89235dfc5 Mon Sep 17 00:00:00 2001
From: Jiri Pirko <jiri@nvidia.com>
Date: Mon, 18 Mar 2024 10:19:08 +0100
Subject: [PATCH 1361/2686] devlink: fix port new reply cmd type
Due to a c&p error, port new reply fills-up cmd with wrong value,
any other existing port command replies and notifications.
Fix it by filling cmd with value DEVLINK_CMD_PORT_NEW.
Skimmed through devlink userspace implementations, none of them cares
about this cmd value.
Reported-by: Chenyuan Yang <chenyuan0y@gmail.com>
Closes: https://lore.kernel.org/all/ZfZcDxGV3tSy4qsV@cy-server/
Fixes: cd76dcd68d96 ("devlink: Support add and delete devlink port")
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://lore.kernel.org/r/20240318091908.2736542-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/devlink/port.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/devlink/port.c b/net/devlink/port.c
index 4b2d46ccfe484..118d130d2afd5 100644
--- a/net/devlink/port.c
+++ b/net/devlink/port.c
@@ -889,7 +889,7 @@ int devlink_nl_port_new_doit(struct sk_buff *skb, struct genl_info *info)
err = -ENOMEM;
goto err_out_port_del;
}
- err = devlink_nl_port_fill(msg, devlink_port, DEVLINK_CMD_NEW,
+ err = devlink_nl_port_fill(msg, devlink_port, DEVLINK_CMD_PORT_NEW,
info->snd_portid, info->snd_seq, 0, NULL);
if (WARN_ON_ONCE(err))
goto err_out_msg_free;
--
GitLab
From 7ded842b356d151ece8ac4985940438e6d3998bb Mon Sep 17 00:00:00 2001
From: Ilya Leoshkevich <iii@linux.ibm.com>
Date: Wed, 20 Mar 2024 02:54:12 +0100
Subject: [PATCH 1362/2686] s390/bpf: Fix bpf_plt pointer arithmetic
Kui-Feng Lee reported a crash on s390x triggered by the
dummy_st_ops/dummy_init_ptr_arg test [1]:
[<0000000000000002>] 0x2
[<00000000009d5cde>] bpf_struct_ops_test_run+0x156/0x250
[<000000000033145a>] __sys_bpf+0xa1a/0xd00
[<00000000003319dc>] __s390x_sys_bpf+0x44/0x50
[<0000000000c4382c>] __do_syscall+0x244/0x300
[<0000000000c59a40>] system_call+0x70/0x98
This is caused by GCC moving memcpy() after assignments in
bpf_jit_plt(), resulting in NULL pointers being written instead of
the return and the target addresses.
Looking at the GCC internals, the reordering is allowed because the
alias analysis thinks that the memcpy() destination and the assignments'
left-hand-sides are based on different objects: new_plt and
bpf_plt_ret/bpf_plt_target respectively, and therefore they cannot
alias.
This is in turn due to a violation of the C standard:
When two pointers are subtracted, both shall point to elements of the
same array object, or one past the last element of the array object
...
From the C's perspective, bpf_plt_ret and bpf_plt are distinct objects
and cannot be subtracted. In the practical terms, doing so confuses the
GCC's alias analysis.
The code was written this way in order to let the C side know a few
offsets defined in the assembly. While nice, this is by no means
necessary. Fix the noncompliance by hardcoding these offsets.
[1] https://lore.kernel.org/bpf/c9923c1d-971d-4022-8dc8-1364e929d34c@gmail.com/
Fixes: f1d5df84cd8c ("s390/bpf: Implement bpf_arch_text_poke()")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240320015515.11883-1-iii@linux.ibm.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
arch/s390/net/bpf_jit_comp.c | 46 ++++++++++++++++--------------------
1 file changed, 20 insertions(+), 26 deletions(-)
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index b418333bb0863..5af0402e94b88 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -516,11 +516,12 @@ static void bpf_skip(struct bpf_jit *jit, int size)
* PLT for hotpatchable calls. The calling convention is the same as for the
* ftrace hotpatch trampolines: %r0 is return address, %r1 is clobbered.
*/
-extern const char bpf_plt[];
-extern const char bpf_plt_ret[];
-extern const char bpf_plt_target[];
-extern const char bpf_plt_end[];
-#define BPF_PLT_SIZE 32
+struct bpf_plt {
+ char code[16];
+ void *ret;
+ void *target;
+} __packed;
+extern const struct bpf_plt bpf_plt;
asm(
".pushsection .rodata\n"
" .balign 8\n"
@@ -531,15 +532,14 @@ asm(
" .balign 8\n"
"bpf_plt_ret: .quad 0\n"
"bpf_plt_target: .quad 0\n"
- "bpf_plt_end:\n"
" .popsection\n"
);
-static void bpf_jit_plt(void *plt, void *ret, void *target)
+static void bpf_jit_plt(struct bpf_plt *plt, void *ret, void *target)
{
- memcpy(plt, bpf_plt, BPF_PLT_SIZE);
- *(void **)((char *)plt + (bpf_plt_ret - bpf_plt)) = ret;
- *(void **)((char *)plt + (bpf_plt_target - bpf_plt)) = target ?: ret;
+ memcpy(plt, &bpf_plt, sizeof(*plt));
+ plt->ret = ret;
+ plt->target = target;
}
/*
@@ -662,9 +662,9 @@ static void bpf_jit_epilogue(struct bpf_jit *jit, u32 stack_depth)
jit->prg = ALIGN(jit->prg, 8);
jit->prologue_plt = jit->prg;
if (jit->prg_buf)
- bpf_jit_plt(jit->prg_buf + jit->prg,
+ bpf_jit_plt((struct bpf_plt *)(jit->prg_buf + jit->prg),
jit->prg_buf + jit->prologue_plt_ret, NULL);
- jit->prg += BPF_PLT_SIZE;
+ jit->prg += sizeof(struct bpf_plt);
}
static int get_probe_mem_regno(const u8 *insn)
@@ -2040,9 +2040,6 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
struct bpf_jit jit;
int pass;
- if (WARN_ON_ONCE(bpf_plt_end - bpf_plt != BPF_PLT_SIZE))
- return orig_fp;
-
if (!fp->jit_requested)
return orig_fp;
@@ -2148,14 +2145,11 @@ bool bpf_jit_supports_far_kfunc_call(void)
int bpf_arch_text_poke(void *ip, enum bpf_text_poke_type t,
void *old_addr, void *new_addr)
{
+ struct bpf_plt expected_plt, current_plt, new_plt, *plt;
struct {
u16 opc;
s32 disp;
} __packed insn;
- char expected_plt[BPF_PLT_SIZE];
- char current_plt[BPF_PLT_SIZE];
- char new_plt[BPF_PLT_SIZE];
- char *plt;
char *ret;
int err;
@@ -2174,18 +2168,18 @@ int bpf_arch_text_poke(void *ip, enum bpf_text_poke_type t,
*/
} else {
/* Verify the PLT. */
- plt = (char *)ip + (insn.disp << 1);
- err = copy_from_kernel_nofault(current_plt, plt, BPF_PLT_SIZE);
+ plt = ip + (insn.disp << 1);
+ err = copy_from_kernel_nofault(¤t_plt, plt,
+ sizeof(current_plt));
if (err < 0)
return err;
ret = (char *)ip + 6;
- bpf_jit_plt(expected_plt, ret, old_addr);
- if (memcmp(current_plt, expected_plt, BPF_PLT_SIZE))
+ bpf_jit_plt(&expected_plt, ret, old_addr);
+ if (memcmp(¤t_plt, &expected_plt, sizeof(current_plt)))
return -EINVAL;
/* Adjust the call address. */
- bpf_jit_plt(new_plt, ret, new_addr);
- s390_kernel_write(plt + (bpf_plt_target - bpf_plt),
- new_plt + (bpf_plt_target - bpf_plt),
+ bpf_jit_plt(&new_plt, ret, new_addr);
+ s390_kernel_write(&plt->target, &new_plt.target,
sizeof(void *));
}
--
GitLab
From 5ab8cb89dbb6f3e111c8b0a9a86496da23c94439 Mon Sep 17 00:00:00 2001
From: Andrii Nakryiko <andrii@kernel.org>
Date: Tue, 19 Mar 2024 14:51:43 -0700
Subject: [PATCH 1363/2686] libbpf: fix u64-to-pointer cast on 32-bit arches
It's been reported that (void *)map->map_extra is causing compilation
warnings on 32-bit architectures. It's easy enough to fix this by
casting to long first.
Fixes: 79ff13e99169 ("libbpf: Add support for bpf_arena.")
Reported-by: Ryan Eatmon <reatmon@ti.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Message-ID: <20240319215143.1279312-1-andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
tools/lib/bpf/libbpf.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 36e26f4f5997d..1e3e697b98bca 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -5352,8 +5352,8 @@ bpf_object__create_maps(struct bpf_object *obj)
goto err_out;
}
if (map->def.type == BPF_MAP_TYPE_ARENA) {
- map->mmaped = mmap((void *)map->map_extra, bpf_map_mmap_sz(map),
- PROT_READ | PROT_WRITE,
+ map->mmaped = mmap((void *)(long)map->map_extra,
+ bpf_map_mmap_sz(map), PROT_READ | PROT_WRITE,
map->map_extra ? MAP_SHARED | MAP_FIXED : MAP_SHARED,
map->fd, 0);
if (map->mmaped == MAP_FAILED) {
--
GitLab
From 114b5b3b4bde7358624437be2f12cde1b265224e Mon Sep 17 00:00:00 2001
From: Puranjay Mohan <puranjay12@gmail.com>
Date: Tue, 12 Mar 2024 23:59:17 +0000
Subject: [PATCH 1364/2686] bpf, arm64: fix bug in BPF_LDX_MEMSX
A64_LDRSW() takes three registers: Xt, Xn, Xm as arguments and it loads
and sign extends the value at address Xn + Xm into register Xt.
Currently, the offset is being directly used in place of the tmp
register which has the offset already loaded by the last emitted
instruction.
This will cause JIT failures. The easiest way to reproduce this is to
test the following code through test_bpf module:
{
"BPF_LDX_MEMSX | BPF_W",
.u.insns_int = {
BPF_LD_IMM64(R1, 0x00000000deadbeefULL),
BPF_LD_IMM64(R2, 0xffffffffdeadbeefULL),
BPF_STX_MEM(BPF_DW, R10, R1, -7),
BPF_LDX_MEMSX(BPF_W, R0, R10, -7),
BPF_JMP_REG(BPF_JNE, R0, R2, 1),
BPF_ALU64_IMM(BPF_MOV, R0, 0),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, 0 } },
.stack_depth = 7,
},
We need to use the offset as -7 to trigger this code path, there could
be other valid ways to trigger this from proper BPF programs as well.
This code is rejected by the JIT because -7 is passed to A64_LDRSW() but
it expects a valid register (0 - 31).
roott@pjy:~# modprobe test_bpf test_name="BPF_LDX_MEMSX | BPF_W"
[11300.490371] test_bpf: test_bpf: set 'test_bpf' as the default test_suite.
[11300.491750] test_bpf: #345 BPF_LDX_MEMSX | BPF_W
[11300.493179] aarch64_insn_encode_register: unknown register encoding -7
[11300.494133] aarch64_insn_encode_register: unknown register encoding -7
[11300.495292] FAIL to select_runtime err=-524
[11300.496804] test_bpf: Summary: 0 PASSED, 1 FAILED, [0/0 JIT'ed]
modprobe: ERROR: could not insert 'test_bpf': Invalid argument
Applying this patch fixes the issue.
root@pjy:~# modprobe test_bpf test_name="BPF_LDX_MEMSX | BPF_W"
[ 292.837436] test_bpf: test_bpf: set 'test_bpf' as the default test_suite.
[ 292.839416] test_bpf: #345 BPF_LDX_MEMSX | BPF_W jited:1 156 PASS
[ 292.844794] test_bpf: Summary: 1 PASSED, 0 FAILED, [1/1 JIT'ed]
Fixes: cc88f540da52 ("bpf, arm64: Support sign-extension load instructions")
Signed-off-by: Puranjay Mohan <puranjay12@gmail.com>
Message-ID: <20240312235917.103626-1-puranjay12@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
arch/arm64/net/bpf_jit_comp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index c5b461dda4385..48b19a233299b 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -1256,7 +1256,7 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx,
} else {
emit_a64_mov_i(1, tmp, off, ctx);
if (sign_extend)
- emit(A64_LDRSW(dst, src_adj, off_adj), ctx);
+ emit(A64_LDRSW(dst, src, tmp), ctx);
else
emit(A64_LDR32(dst, src, tmp), ctx);
}
--
GitLab
From 33affa7fb46c0c07f6c49d4ddac9dd436715064c Mon Sep 17 00:00:00 2001
From: Tim Crawford <tcrawford@system76.com>
Date: Tue, 19 Mar 2024 15:27:26 -0600
Subject: [PATCH 1365/2686] ALSA: hda/realtek: Add quirks for some Clevo
laptops
Add audio quirks to fix speaker output and headset detection on some new
Clevo models:
- L240TU (ALC245)
- PE60SNE-G (ALC1220)
- V350SNEQ (ALC245)
Co-authored-by: Jeremy Soller <jeremy@system76.com>
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Message-ID: <20240319212726.62888-1-tcrawford@system76.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/patch_realtek.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 203aa2d600a13..a17c36a36aa53 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2645,6 +2645,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
SND_PCI_QUIRK(0x1558, 0x65f1, "Clevo PC50HS", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x65f5, "Clevo PD50PN[NRT]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x66a2, "Clevo PE60RNE", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
+ SND_PCI_QUIRK(0x1558, 0x66a6, "Clevo PE60SN[CDE]-[GS]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x67d1, "Clevo PB71[ER][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x67e1, "Clevo PB71[DE][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x67e5, "Clevo PC70D[PRS](?:-D|-G)?", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
@@ -10176,12 +10177,14 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1462, 0xb120, "MSI Cubi MS-B120", ALC283_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x1462, 0xb171, "Cubi N 8GL (MS-B171)", ALC283_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x152d, 0x1082, "Quanta NL3", ALC269_FIXUP_LIFEBOOK),
+ SND_PCI_QUIRK(0x1558, 0x0353, "Clevo V35[05]SN[CDE]Q", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x1323, "Clevo N130ZU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x1325, "Clevo N15[01][CW]U", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x1401, "Clevo L140[CZ]U", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x1403, "Clevo N140CU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x1404, "Clevo N150CU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x14a1, "Clevo L141MU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1558, 0x2624, "Clevo L240TU", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x4018, "Clevo NV40M[BE]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x4019, "Clevo NV40MZ", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x4020, "Clevo NV40MB", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
--
GitLab
From 14d811467f6592aa0e685730e66b5f9123287468 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 20 Mar 2024 07:27:20 +0100
Subject: [PATCH 1366/2686] ALSA: control: Fix unannotated kfree() cleanup
The recent conversion to the automatic kfree() forgot to mark a
variable with __free(kfree), leading to memory leaks. Fix it.
Fixes: 1052d9882269 ("ALSA: control: Use automatic cleanup of kfree()")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/r/c1e2ef3c-164f-4840-9b1c-f7ca07ca422a@alu.unizg.hr
Message-ID: <20240320062722.31325-1-tiwai@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/core/control.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/core/control.c b/sound/core/control.c
index 8367fd4853716..fb0c60044f7b3 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1275,12 +1275,12 @@ static int snd_ctl_elem_read(struct snd_card *card,
static int snd_ctl_elem_read_user(struct snd_card *card,
struct snd_ctl_elem_value __user *_control)
{
- struct snd_ctl_elem_value *control;
+ struct snd_ctl_elem_value *control __free(kfree) = NULL;
int result;
control = memdup_user(_control, sizeof(*control));
if (IS_ERR(control))
- return PTR_ERR(control);
+ return PTR_ERR(no_free_ptr(control));
result = snd_ctl_elem_read(card, control);
if (result < 0)
--
GitLab
From b7b73f6d4f7bca79fef9e31a054e24e31a65f22a Mon Sep 17 00:00:00 2001
From: Chris Packham <chris.packham@alliedtelesis.co.nz>
Date: Wed, 13 Mar 2024 09:14:00 +1300
Subject: [PATCH 1367/2686] i2c: muxes: pca954x: Allow sharing reset GPIO
Some hardware designs with multiple PCA954x devices use a reset GPIO
connected to all the muxes. Support this configuration by making use of
the reset controller framework which can deal with the shared reset
GPIOs. Fall back to the old GPIO descriptor method if the reset
controller framework is not enabled.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Acked-by: Peter Rosin <peda@axentia.se>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
drivers/i2c/muxes/i2c-mux-pca954x.c | 46 ++++++++++++++++++++++++-----
1 file changed, 38 insertions(+), 8 deletions(-)
diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c
index f5dfc33b97c0a..c3f4ff08ac385 100644
--- a/drivers/i2c/muxes/i2c-mux-pca954x.c
+++ b/drivers/i2c/muxes/i2c-mux-pca954x.c
@@ -49,6 +49,7 @@
#include <linux/pm.h>
#include <linux/property.h>
#include <linux/regulator/consumer.h>
+#include <linux/reset.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <dt-bindings/mux/mux.h>
@@ -116,6 +117,9 @@ struct pca954x {
unsigned int irq_mask;
raw_spinlock_t lock;
struct regulator *supply;
+
+ struct gpio_desc *reset_gpio;
+ struct reset_control *reset_cont;
};
/* Provide specs for the MAX735x, PCA954x and PCA984x types we know about */
@@ -518,6 +522,35 @@ static int pca954x_init(struct i2c_client *client, struct pca954x *data)
return ret;
}
+static int pca954x_get_reset(struct device *dev, struct pca954x *data)
+{
+ data->reset_cont = devm_reset_control_get_optional_shared(dev, NULL);
+ if (IS_ERR(data->reset_cont))
+ return dev_err_probe(dev, PTR_ERR(data->reset_cont),
+ "Failed to get reset\n");
+ else if (data->reset_cont)
+ return 0;
+
+ /*
+ * fallback to legacy reset-gpios
+ */
+ data->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(data->reset_gpio)) {
+ return dev_err_probe(dev, PTR_ERR(data->reset_gpio),
+ "Failed to get reset gpio");
+ }
+
+ return 0;
+}
+
+static void pca954x_reset_deassert(struct pca954x *data)
+{
+ if (data->reset_cont)
+ reset_control_deassert(data->reset_cont);
+ else
+ gpiod_set_value_cansleep(data->reset_gpio, 0);
+}
+
/*
* I2C init/probing/exit functions
*/
@@ -526,7 +559,6 @@ static int pca954x_probe(struct i2c_client *client)
const struct i2c_device_id *id = i2c_client_get_device_id(client);
struct i2c_adapter *adap = client->adapter;
struct device *dev = &client->dev;
- struct gpio_desc *gpio;
struct i2c_mux_core *muxc;
struct pca954x *data;
int num;
@@ -554,15 +586,13 @@ static int pca954x_probe(struct i2c_client *client)
return dev_err_probe(dev, ret,
"Failed to enable vdd supply\n");
- /* Reset the mux if a reset GPIO is specified. */
- gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
- if (IS_ERR(gpio)) {
- ret = PTR_ERR(gpio);
+ ret = pca954x_get_reset(dev, data);
+ if (ret)
goto fail_cleanup;
- }
- if (gpio) {
+
+ if (data->reset_cont || data->reset_gpio) {
udelay(1);
- gpiod_set_value_cansleep(gpio, 0);
+ pca954x_reset_deassert(data);
/* Give the chip some time to recover. */
udelay(1);
}
--
GitLab
From 10b890ee21a5ef7f6444506974648648f98f9ba9 Mon Sep 17 00:00:00 2001
From: Ping-Ke Shih <pkshih@realtek.com>
Date: Tue, 19 Mar 2024 09:19:25 +0800
Subject: [PATCH 1368/2686] MAINTAINERS: wifi: add git tree for Realtek WiFi
drivers
Add git tree to manage all Realtek WiFi drivers except RTL8180 which is
old and orphan.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240319011925.6855-1-pkshih@realtek.com
---
MAINTAINERS | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 54775eaaf7b37..452288995991a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18586,18 +18586,21 @@ REALTEK WIRELESS DRIVER (rtlwifi family)
M: Ping-Ke Shih <pkshih@realtek.com>
L: linux-wireless@vger.kernel.org
S: Maintained
+T: git https://github.com/pkshih/rtw.git
F: drivers/net/wireless/realtek/rtlwifi/
REALTEK WIRELESS DRIVER (rtw88)
M: Ping-Ke Shih <pkshih@realtek.com>
L: linux-wireless@vger.kernel.org
S: Maintained
+T: git https://github.com/pkshih/rtw.git
F: drivers/net/wireless/realtek/rtw88/
REALTEK WIRELESS DRIVER (rtw89)
M: Ping-Ke Shih <pkshih@realtek.com>
L: linux-wireless@vger.kernel.org
S: Maintained
+T: git https://github.com/pkshih/rtw.git
F: drivers/net/wireless/realtek/rtw89/
REDPINE WIRELESS DRIVER
@@ -19120,12 +19123,14 @@ M: Hin-Tak Leung <hintak.leung@gmail.com>
M: Larry Finger <Larry.Finger@lwfinger.net>
L: linux-wireless@vger.kernel.org
S: Maintained
+T: git https://github.com/pkshih/rtw.git
F: drivers/net/wireless/realtek/rtl818x/rtl8187/
RTL8XXXU WIRELESS DRIVER (rtl8xxxu)
M: Jes Sorensen <Jes.Sorensen@gmail.com>
L: linux-wireless@vger.kernel.org
S: Maintained
+T: git https://github.com/pkshih/rtw.git
F: drivers/net/wireless/realtek/rtl8xxxu/
RTRS TRANSPORT DRIVERS
--
GitLab
From 2295bd846765c766701e666ed2e4b35396be25e6 Mon Sep 17 00:00:00 2001
From: Pavel Sakharov <p.sakharov@ispras.ru>
Date: Wed, 20 Mar 2024 04:15:23 +0500
Subject: [PATCH 1369/2686] dma-buf: Fix NULL pointer dereference in
sanitycheck()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
If due to a memory allocation failure mock_chain() returns NULL, it is
passed to dma_fence_enable_sw_signaling() resulting in NULL pointer
dereference there.
Call dma_fence_enable_sw_signaling() only if mock_chain() succeeds.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: d62c43a953ce ("dma-buf: Enable signaling on fence for selftests")
Signed-off-by: Pavel Sakharov <p.sakharov@ispras.ru>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240319231527.1821372-1-p.sakharov@ispras.ru
---
drivers/dma-buf/st-dma-fence-chain.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/dma-buf/st-dma-fence-chain.c b/drivers/dma-buf/st-dma-fence-chain.c
index 9c2a0c082a768..ed4b323886e43 100644
--- a/drivers/dma-buf/st-dma-fence-chain.c
+++ b/drivers/dma-buf/st-dma-fence-chain.c
@@ -84,11 +84,11 @@ static int sanitycheck(void *arg)
return -ENOMEM;
chain = mock_chain(NULL, f, 1);
- if (!chain)
+ if (chain)
+ dma_fence_enable_sw_signaling(chain);
+ else
err = -ENOMEM;
- dma_fence_enable_sw_signaling(chain);
-
dma_fence_signal(f);
dma_fence_put(f);
--
GitLab
From e593a4a2d3ad5e1a4be338b38ed6ba7c70642d88 Mon Sep 17 00:00:00 2001
From: Rob Herring <robh@kernel.org>
Date: Mon, 11 Mar 2024 16:26:04 -0600
Subject: [PATCH 1370/2686] dt-bindings: i2c: qcom,i2c-cci: Fix OV7251
'data-lanes' entries
The OV7251 sensor only has a single data lane, so 2 entries is not valid.
Fix this to be 1 entry as the schema specifies.
The schema validation doesn't catch this currently due to some limitations
in handling of arrays vs. matrices, but a fix is being worked on.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
index 8386cfe21532e..f0eabff863106 100644
--- a/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
+++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
@@ -270,7 +270,7 @@ examples:
port {
ov7251_ep: endpoint {
- data-lanes = <0 1>;
+ data-lanes = <0>;
link-frequencies = /bits/ 64 <240000000 319200000>;
remote-endpoint = <&csiphy3_ep>;
};
--
GitLab
From a88e0f936ba9a301c78f6eacfd38737d003c130b Mon Sep 17 00:00:00 2001
From: Subbaraya Sundeep <sbhatta@marvell.com>
Date: Mon, 18 Mar 2024 14:59:54 +0530
Subject: [PATCH 1371/2686] octeontx2: Detect the mbox up or down message via
register
A single line of interrupt is used to receive up notifications
and down reply messages from AF to PF (similarly from PF to its VF).
PF acts as bridge and forwards VF messages to AF and sends respsones
back from AF to VF. When an async event like link event is received
by up message when PF is in middle of forwarding VF message then
mailbox errors occur because PF state machine is corrupted.
Since VF is a separate driver or VF driver can be in a VM it is
not possible to serialize from the start of communication at VF.
Hence to differentiate between type of messages at PF this patch makes
sender to set mbox data register with distinct values for up and down
messages. Sender also checks whether previous interrupt is received
before triggering current interrupt by waiting for mailbox data register
to become zero.
Fixes: 5a6d7c9daef3 ("octeontx2-pf: Mailbox communication with AF")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
.../net/ethernet/marvell/octeontx2/af/mbox.c | 43 ++++++-
.../net/ethernet/marvell/octeontx2/af/mbox.h | 6 +
.../marvell/octeontx2/af/mcs_rvu_if.c | 17 ++-
.../net/ethernet/marvell/octeontx2/af/rvu.c | 14 ++-
.../net/ethernet/marvell/octeontx2/af/rvu.h | 2 +
.../ethernet/marvell/octeontx2/af/rvu_cgx.c | 20 ++--
.../marvell/octeontx2/nic/otx2_common.h | 2 +-
.../ethernet/marvell/octeontx2/nic/otx2_pf.c | 113 ++++++++++++------
.../ethernet/marvell/octeontx2/nic/otx2_vf.c | 71 ++++++-----
9 files changed, 205 insertions(+), 83 deletions(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.c b/drivers/net/ethernet/marvell/octeontx2/af/mbox.c
index b92264d0a77e7..1e5aa53975040 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.c
@@ -214,11 +214,12 @@ int otx2_mbox_busy_poll_for_rsp(struct otx2_mbox *mbox, int devid)
}
EXPORT_SYMBOL(otx2_mbox_busy_poll_for_rsp);
-void otx2_mbox_msg_send(struct otx2_mbox *mbox, int devid)
+static void otx2_mbox_msg_send_data(struct otx2_mbox *mbox, int devid, u64 data)
{
struct otx2_mbox_dev *mdev = &mbox->dev[devid];
struct mbox_hdr *tx_hdr, *rx_hdr;
void *hw_mbase = mdev->hwbase;
+ u64 intr_val;
tx_hdr = hw_mbase + mbox->tx_start;
rx_hdr = hw_mbase + mbox->rx_start;
@@ -254,14 +255,52 @@ void otx2_mbox_msg_send(struct otx2_mbox *mbox, int devid)
spin_unlock(&mdev->mbox_lock);
+ /* Check if interrupt pending */
+ intr_val = readq((void __iomem *)mbox->reg_base +
+ (mbox->trigger | (devid << mbox->tr_shift)));
+
+ intr_val |= data;
/* The interrupt should be fired after num_msgs is written
* to the shared memory
*/
- writeq(1, (void __iomem *)mbox->reg_base +
+ writeq(intr_val, (void __iomem *)mbox->reg_base +
(mbox->trigger | (devid << mbox->tr_shift)));
}
+
+void otx2_mbox_msg_send(struct otx2_mbox *mbox, int devid)
+{
+ otx2_mbox_msg_send_data(mbox, devid, MBOX_DOWN_MSG);
+}
EXPORT_SYMBOL(otx2_mbox_msg_send);
+void otx2_mbox_msg_send_up(struct otx2_mbox *mbox, int devid)
+{
+ otx2_mbox_msg_send_data(mbox, devid, MBOX_UP_MSG);
+}
+EXPORT_SYMBOL(otx2_mbox_msg_send_up);
+
+bool otx2_mbox_wait_for_zero(struct otx2_mbox *mbox, int devid)
+{
+ u64 data;
+
+ data = readq((void __iomem *)mbox->reg_base +
+ (mbox->trigger | (devid << mbox->tr_shift)));
+
+ /* If data is non-zero wait for ~1ms and return to caller
+ * whether data has changed to zero or not after the wait.
+ */
+ if (!data)
+ return true;
+
+ usleep_range(950, 1000);
+
+ data = readq((void __iomem *)mbox->reg_base +
+ (mbox->trigger | (devid << mbox->tr_shift)));
+
+ return data == 0;
+}
+EXPORT_SYMBOL(otx2_mbox_wait_for_zero);
+
struct mbox_msghdr *otx2_mbox_alloc_msg_rsp(struct otx2_mbox *mbox, int devid,
int size, int size_rsp)
{
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
index 61ab7f66f053c..eb2a20b5a0d0c 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
@@ -16,6 +16,9 @@
#define MBOX_SIZE SZ_64K
+#define MBOX_DOWN_MSG 1
+#define MBOX_UP_MSG 2
+
/* AF/PF: PF initiated, PF/VF VF initiated */
#define MBOX_DOWN_RX_START 0
#define MBOX_DOWN_RX_SIZE (46 * SZ_1K)
@@ -101,6 +104,7 @@ int otx2_mbox_regions_init(struct otx2_mbox *mbox, void __force **hwbase,
struct pci_dev *pdev, void __force *reg_base,
int direction, int ndevs, unsigned long *bmap);
void otx2_mbox_msg_send(struct otx2_mbox *mbox, int devid);
+void otx2_mbox_msg_send_up(struct otx2_mbox *mbox, int devid);
int otx2_mbox_wait_for_rsp(struct otx2_mbox *mbox, int devid);
int otx2_mbox_busy_poll_for_rsp(struct otx2_mbox *mbox, int devid);
struct mbox_msghdr *otx2_mbox_alloc_msg_rsp(struct otx2_mbox *mbox, int devid,
@@ -118,6 +122,8 @@ static inline struct mbox_msghdr *otx2_mbox_alloc_msg(struct otx2_mbox *mbox,
return otx2_mbox_alloc_msg_rsp(mbox, devid, size, 0);
}
+bool otx2_mbox_wait_for_zero(struct otx2_mbox *mbox, int devid);
+
/* Mailbox message types */
#define MBOX_MSG_MASK 0xFFFF
#define MBOX_MSG_INVALID 0xFFFE
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c b/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c
index dfd23580e3b8e..d39d86e694ccf 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c
@@ -121,13 +121,17 @@ int mcs_add_intr_wq_entry(struct mcs *mcs, struct mcs_intr_event *event)
static int mcs_notify_pfvf(struct mcs_intr_event *event, struct rvu *rvu)
{
struct mcs_intr_info *req;
- int err, pf;
+ int pf;
pf = rvu_get_pf(event->pcifunc);
+ mutex_lock(&rvu->mbox_lock);
+
req = otx2_mbox_alloc_msg_mcs_intr_notify(rvu, pf);
- if (!req)
+ if (!req) {
+ mutex_unlock(&rvu->mbox_lock);
return -ENOMEM;
+ }
req->mcs_id = event->mcs_id;
req->intr_mask = event->intr_mask;
@@ -135,10 +139,11 @@ static int mcs_notify_pfvf(struct mcs_intr_event *event, struct rvu *rvu)
req->hdr.pcifunc = event->pcifunc;
req->lmac_id = event->lmac_id;
- otx2_mbox_msg_send(&rvu->afpf_wq_info.mbox_up, pf);
- err = otx2_mbox_wait_for_rsp(&rvu->afpf_wq_info.mbox_up, pf);
- if (err)
- dev_warn(rvu->dev, "MCS notification to pf %d failed\n", pf);
+ otx2_mbox_wait_for_zero(&rvu->afpf_wq_info.mbox_up, pf);
+
+ otx2_mbox_msg_send_up(&rvu->afpf_wq_info.mbox_up, pf);
+
+ mutex_unlock(&rvu->mbox_lock);
return 0;
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index 07d4859de53ad..0b65a18c3a882 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -2119,7 +2119,7 @@ MBOX_MESSAGES
}
}
-static void __rvu_mbox_handler(struct rvu_work *mwork, int type)
+static void __rvu_mbox_handler(struct rvu_work *mwork, int type, bool poll)
{
struct rvu *rvu = mwork->rvu;
int offset, err, id, devid;
@@ -2186,6 +2186,9 @@ static void __rvu_mbox_handler(struct rvu_work *mwork, int type)
}
mw->mbox_wrk[devid].num_msgs = 0;
+ if (poll)
+ otx2_mbox_wait_for_zero(mbox, devid);
+
/* Send mbox responses to VF/PF */
otx2_mbox_msg_send(mbox, devid);
}
@@ -2193,15 +2196,18 @@ static void __rvu_mbox_handler(struct rvu_work *mwork, int type)
static inline void rvu_afpf_mbox_handler(struct work_struct *work)
{
struct rvu_work *mwork = container_of(work, struct rvu_work, work);
+ struct rvu *rvu = mwork->rvu;
- __rvu_mbox_handler(mwork, TYPE_AFPF);
+ mutex_lock(&rvu->mbox_lock);
+ __rvu_mbox_handler(mwork, TYPE_AFPF, true);
+ mutex_unlock(&rvu->mbox_lock);
}
static inline void rvu_afvf_mbox_handler(struct work_struct *work)
{
struct rvu_work *mwork = container_of(work, struct rvu_work, work);
- __rvu_mbox_handler(mwork, TYPE_AFVF);
+ __rvu_mbox_handler(mwork, TYPE_AFVF, false);
}
static void __rvu_mbox_up_handler(struct rvu_work *mwork, int type)
@@ -2376,6 +2382,8 @@ static int rvu_mbox_init(struct rvu *rvu, struct mbox_wq_info *mw,
}
}
+ mutex_init(&rvu->mbox_lock);
+
mbox_regions = kcalloc(num, sizeof(void *), GFP_KERNEL);
if (!mbox_regions) {
err = -ENOMEM;
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index f390525a62177..35834687e40fe 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -591,6 +591,8 @@ struct rvu {
spinlock_t mcs_intrq_lock;
/* CPT interrupt lock */
spinlock_t cpt_intr_lock;
+
+ struct mutex mbox_lock; /* Serialize mbox up and down msgs */
};
static inline void rvu_write64(struct rvu *rvu, u64 block, u64 offset, u64 val)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
index 38acdc7a73bbe..72e060cf6b618 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
@@ -232,7 +232,7 @@ static void cgx_notify_pfs(struct cgx_link_event *event, struct rvu *rvu)
struct cgx_link_user_info *linfo;
struct cgx_link_info_msg *msg;
unsigned long pfmap;
- int err, pfid;
+ int pfid;
linfo = &event->link_uinfo;
pfmap = cgxlmac_to_pfmap(rvu, event->cgx_id, event->lmac_id);
@@ -255,16 +255,22 @@ static void cgx_notify_pfs(struct cgx_link_event *event, struct rvu *rvu)
continue;
}
+ mutex_lock(&rvu->mbox_lock);
+
/* Send mbox message to PF */
msg = otx2_mbox_alloc_msg_cgx_link_event(rvu, pfid);
- if (!msg)
+ if (!msg) {
+ mutex_unlock(&rvu->mbox_lock);
continue;
+ }
+
msg->link_info = *linfo;
- otx2_mbox_msg_send(&rvu->afpf_wq_info.mbox_up, pfid);
- err = otx2_mbox_wait_for_rsp(&rvu->afpf_wq_info.mbox_up, pfid);
- if (err)
- dev_warn(rvu->dev, "notification to pf %d failed\n",
- pfid);
+
+ otx2_mbox_wait_for_zero(&rvu->afpf_wq_info.mbox_up, pfid);
+
+ otx2_mbox_msg_send_up(&rvu->afpf_wq_info.mbox_up, pfid);
+
+ mutex_unlock(&rvu->mbox_lock);
} while (pfmap);
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index 06910307085ef..7e16a341ec588 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -815,7 +815,7 @@ static inline int otx2_sync_mbox_up_msg(struct mbox *mbox, int devid)
if (!otx2_mbox_nonempty(&mbox->mbox_up, devid))
return 0;
- otx2_mbox_msg_send(&mbox->mbox_up, devid);
+ otx2_mbox_msg_send_up(&mbox->mbox_up, devid);
err = otx2_mbox_wait_for_rsp(&mbox->mbox_up, devid);
if (err)
return err;
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index e5fe67e738655..3c8841b35d0f7 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -292,8 +292,8 @@ static int otx2_pf_flr_init(struct otx2_nic *pf, int num_vfs)
return 0;
}
-static void otx2_queue_work(struct mbox *mw, struct workqueue_struct *mbox_wq,
- int first, int mdevs, u64 intr, int type)
+static void otx2_queue_vf_work(struct mbox *mw, struct workqueue_struct *mbox_wq,
+ int first, int mdevs, u64 intr)
{
struct otx2_mbox_dev *mdev;
struct otx2_mbox *mbox;
@@ -307,40 +307,26 @@ static void otx2_queue_work(struct mbox *mw, struct workqueue_struct *mbox_wq,
mbox = &mw->mbox;
mdev = &mbox->dev[i];
- if (type == TYPE_PFAF)
- otx2_sync_mbox_bbuf(mbox, i);
hdr = mdev->mbase + mbox->rx_start;
/* The hdr->num_msgs is set to zero immediately in the interrupt
- * handler to ensure that it holds a correct value next time
- * when the interrupt handler is called.
- * pf->mbox.num_msgs holds the data for use in pfaf_mbox_handler
- * pf>mbox.up_num_msgs holds the data for use in
- * pfaf_mbox_up_handler.
+ * handler to ensure that it holds a correct value next time
+ * when the interrupt handler is called. pf->mw[i].num_msgs
+ * holds the data for use in otx2_pfvf_mbox_handler and
+ * pf->mw[i].up_num_msgs holds the data for use in
+ * otx2_pfvf_mbox_up_handler.
*/
if (hdr->num_msgs) {
mw[i].num_msgs = hdr->num_msgs;
hdr->num_msgs = 0;
- if (type == TYPE_PFAF)
- memset(mbox->hwbase + mbox->rx_start, 0,
- ALIGN(sizeof(struct mbox_hdr),
- sizeof(u64)));
-
queue_work(mbox_wq, &mw[i].mbox_wrk);
}
mbox = &mw->mbox_up;
mdev = &mbox->dev[i];
- if (type == TYPE_PFAF)
- otx2_sync_mbox_bbuf(mbox, i);
hdr = mdev->mbase + mbox->rx_start;
if (hdr->num_msgs) {
mw[i].up_num_msgs = hdr->num_msgs;
hdr->num_msgs = 0;
- if (type == TYPE_PFAF)
- memset(mbox->hwbase + mbox->rx_start, 0,
- ALIGN(sizeof(struct mbox_hdr),
- sizeof(u64)));
-
queue_work(mbox_wq, &mw[i].mbox_up_wrk);
}
}
@@ -356,8 +342,10 @@ static void otx2_forward_msg_pfvf(struct otx2_mbox_dev *mdev,
/* Msgs are already copied, trigger VF's mbox irq */
smp_wmb();
+ otx2_mbox_wait_for_zero(pfvf_mbox, devid);
+
offset = pfvf_mbox->trigger | (devid << pfvf_mbox->tr_shift);
- writeq(1, (void __iomem *)pfvf_mbox->reg_base + offset);
+ writeq(MBOX_DOWN_MSG, (void __iomem *)pfvf_mbox->reg_base + offset);
/* Restore VF's mbox bounce buffer region address */
src_mdev->mbase = bbuf_base;
@@ -547,7 +535,7 @@ static void otx2_pfvf_mbox_up_handler(struct work_struct *work)
end:
offset = mbox->rx_start + msg->next_msgoff;
if (mdev->msgs_acked == (vf_mbox->up_num_msgs - 1))
- __otx2_mbox_reset(mbox, 0);
+ __otx2_mbox_reset(mbox, vf_idx);
mdev->msgs_acked++;
}
}
@@ -564,8 +552,7 @@ static irqreturn_t otx2_pfvf_mbox_intr_handler(int irq, void *pf_irq)
if (vfs > 64) {
intr = otx2_read64(pf, RVU_PF_VFPF_MBOX_INTX(1));
otx2_write64(pf, RVU_PF_VFPF_MBOX_INTX(1), intr);
- otx2_queue_work(mbox, pf->mbox_pfvf_wq, 64, vfs, intr,
- TYPE_PFVF);
+ otx2_queue_vf_work(mbox, pf->mbox_pfvf_wq, 64, vfs, intr);
if (intr)
trace_otx2_msg_interrupt(mbox->mbox.pdev, "VF(s) to PF", intr);
vfs = 64;
@@ -574,7 +561,7 @@ static irqreturn_t otx2_pfvf_mbox_intr_handler(int irq, void *pf_irq)
intr = otx2_read64(pf, RVU_PF_VFPF_MBOX_INTX(0));
otx2_write64(pf, RVU_PF_VFPF_MBOX_INTX(0), intr);
- otx2_queue_work(mbox, pf->mbox_pfvf_wq, 0, vfs, intr, TYPE_PFVF);
+ otx2_queue_vf_work(mbox, pf->mbox_pfvf_wq, 0, vfs, intr);
if (intr)
trace_otx2_msg_interrupt(mbox->mbox.pdev, "VF(s) to PF", intr);
@@ -821,20 +808,22 @@ static void otx2_pfaf_mbox_handler(struct work_struct *work)
struct mbox *af_mbox;
struct otx2_nic *pf;
int offset, id;
+ u16 num_msgs;
af_mbox = container_of(work, struct mbox, mbox_wrk);
mbox = &af_mbox->mbox;
mdev = &mbox->dev[0];
rsp_hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
+ num_msgs = rsp_hdr->num_msgs;
offset = mbox->rx_start + ALIGN(sizeof(*rsp_hdr), MBOX_MSG_ALIGN);
pf = af_mbox->pfvf;
- for (id = 0; id < af_mbox->num_msgs; id++) {
+ for (id = 0; id < num_msgs; id++) {
msg = (struct mbox_msghdr *)(mdev->mbase + offset);
otx2_process_pfaf_mbox_msg(pf, msg);
offset = mbox->rx_start + msg->next_msgoff;
- if (mdev->msgs_acked == (af_mbox->num_msgs - 1))
+ if (mdev->msgs_acked == (num_msgs - 1))
__otx2_mbox_reset(mbox, 0);
mdev->msgs_acked++;
}
@@ -945,12 +934,14 @@ static void otx2_pfaf_mbox_up_handler(struct work_struct *work)
int offset, id, devid = 0;
struct mbox_hdr *rsp_hdr;
struct mbox_msghdr *msg;
+ u16 num_msgs;
rsp_hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
+ num_msgs = rsp_hdr->num_msgs;
offset = mbox->rx_start + ALIGN(sizeof(*rsp_hdr), MBOX_MSG_ALIGN);
- for (id = 0; id < af_mbox->up_num_msgs; id++) {
+ for (id = 0; id < num_msgs; id++) {
msg = (struct mbox_msghdr *)(mdev->mbase + offset);
devid = msg->pcifunc & RVU_PFVF_FUNC_MASK;
@@ -959,10 +950,11 @@ static void otx2_pfaf_mbox_up_handler(struct work_struct *work)
otx2_process_mbox_msg_up(pf, msg);
offset = mbox->rx_start + msg->next_msgoff;
}
- if (devid) {
+ /* Forward to VF iff VFs are really present */
+ if (devid && pci_num_vf(pf->pdev)) {
otx2_forward_vf_mbox_msgs(pf, &pf->mbox.mbox_up,
MBOX_DIR_PFVF_UP, devid - 1,
- af_mbox->up_num_msgs);
+ num_msgs);
return;
}
@@ -972,16 +964,49 @@ static void otx2_pfaf_mbox_up_handler(struct work_struct *work)
static irqreturn_t otx2_pfaf_mbox_intr_handler(int irq, void *pf_irq)
{
struct otx2_nic *pf = (struct otx2_nic *)pf_irq;
- struct mbox *mbox;
+ struct mbox *mw = &pf->mbox;
+ struct otx2_mbox_dev *mdev;
+ struct otx2_mbox *mbox;
+ struct mbox_hdr *hdr;
+ u64 mbox_data;
/* Clear the IRQ */
otx2_write64(pf, RVU_PF_INT, BIT_ULL(0));
- mbox = &pf->mbox;
- trace_otx2_msg_interrupt(mbox->mbox.pdev, "AF to PF", BIT_ULL(0));
+ mbox_data = otx2_read64(pf, RVU_PF_PFAF_MBOX0);
+
+ if (mbox_data & MBOX_UP_MSG) {
+ mbox_data &= ~MBOX_UP_MSG;
+ otx2_write64(pf, RVU_PF_PFAF_MBOX0, mbox_data);
+
+ mbox = &mw->mbox_up;
+ mdev = &mbox->dev[0];
+ otx2_sync_mbox_bbuf(mbox, 0);
+
+ hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
+ if (hdr->num_msgs)
+ queue_work(pf->mbox_wq, &mw->mbox_up_wrk);
+
+ trace_otx2_msg_interrupt(pf->pdev, "UP message from AF to PF",
+ BIT_ULL(0));
+ }
+
+ if (mbox_data & MBOX_DOWN_MSG) {
+ mbox_data &= ~MBOX_DOWN_MSG;
+ otx2_write64(pf, RVU_PF_PFAF_MBOX0, mbox_data);
+
+ mbox = &mw->mbox;
+ mdev = &mbox->dev[0];
+ otx2_sync_mbox_bbuf(mbox, 0);
+
+ hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
+ if (hdr->num_msgs)
+ queue_work(pf->mbox_wq, &mw->mbox_wrk);
- otx2_queue_work(mbox, pf->mbox_wq, 0, 1, 1, TYPE_PFAF);
+ trace_otx2_msg_interrupt(pf->pdev, "DOWN reply from AF to PF",
+ BIT_ULL(0));
+ }
return IRQ_HANDLED;
}
@@ -3087,6 +3112,7 @@ static void otx2_vf_link_event_task(struct work_struct *work)
struct otx2_vf_config *config;
struct cgx_link_info_msg *req;
struct mbox_msghdr *msghdr;
+ struct delayed_work *dwork;
struct otx2_nic *pf;
int vf_idx;
@@ -3095,10 +3121,21 @@ static void otx2_vf_link_event_task(struct work_struct *work)
vf_idx = config - config->pf->vf_configs;
pf = config->pf;
+ mutex_lock(&pf->mbox.lock);
+
+ dwork = &config->link_event_work;
+
+ if (!otx2_mbox_wait_for_zero(&pf->mbox_pfvf[0].mbox_up, vf_idx)) {
+ schedule_delayed_work(dwork, msecs_to_jiffies(100));
+ mutex_unlock(&pf->mbox.lock);
+ return;
+ }
+
msghdr = otx2_mbox_alloc_msg_rsp(&pf->mbox_pfvf[0].mbox_up, vf_idx,
sizeof(*req), sizeof(struct msg_rsp));
if (!msghdr) {
dev_err(pf->dev, "Failed to create VF%d link event\n", vf_idx);
+ mutex_unlock(&pf->mbox.lock);
return;
}
@@ -3107,7 +3144,11 @@ static void otx2_vf_link_event_task(struct work_struct *work)
req->hdr.sig = OTX2_MBOX_REQ_SIG;
memcpy(&req->link_info, &pf->linfo, sizeof(req->link_info));
- otx2_sync_mbox_up_msg(&pf->mbox_pfvf[0], vf_idx);
+ otx2_mbox_wait_for_zero(&pf->mbox_pfvf[0].mbox_up, vf_idx);
+
+ otx2_mbox_msg_send_up(&pf->mbox_pfvf[0].mbox_up, vf_idx);
+
+ mutex_unlock(&pf->mbox.lock);
}
static int otx2_sriov_enable(struct pci_dev *pdev, int numvfs)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
index 35e06048356f4..ced456cec8baf 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
@@ -89,16 +89,20 @@ static void otx2vf_vfaf_mbox_handler(struct work_struct *work)
struct otx2_mbox *mbox;
struct mbox *af_mbox;
int offset, id;
+ u16 num_msgs;
af_mbox = container_of(work, struct mbox, mbox_wrk);
mbox = &af_mbox->mbox;
mdev = &mbox->dev[0];
rsp_hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
- if (af_mbox->num_msgs == 0)
+ num_msgs = rsp_hdr->num_msgs;
+
+ if (num_msgs == 0)
return;
+
offset = mbox->rx_start + ALIGN(sizeof(*rsp_hdr), MBOX_MSG_ALIGN);
- for (id = 0; id < af_mbox->num_msgs; id++) {
+ for (id = 0; id < num_msgs; id++) {
msg = (struct mbox_msghdr *)(mdev->mbase + offset);
otx2vf_process_vfaf_mbox_msg(af_mbox->pfvf, msg);
offset = mbox->rx_start + msg->next_msgoff;
@@ -151,6 +155,7 @@ static void otx2vf_vfaf_mbox_up_handler(struct work_struct *work)
struct mbox *vf_mbox;
struct otx2_nic *vf;
int offset, id;
+ u16 num_msgs;
vf_mbox = container_of(work, struct mbox, mbox_up_wrk);
vf = vf_mbox->pfvf;
@@ -158,12 +163,14 @@ static void otx2vf_vfaf_mbox_up_handler(struct work_struct *work)
mdev = &mbox->dev[0];
rsp_hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
- if (vf_mbox->up_num_msgs == 0)
+ num_msgs = rsp_hdr->num_msgs;
+
+ if (num_msgs == 0)
return;
offset = mbox->rx_start + ALIGN(sizeof(*rsp_hdr), MBOX_MSG_ALIGN);
- for (id = 0; id < vf_mbox->up_num_msgs; id++) {
+ for (id = 0; id < num_msgs; id++) {
msg = (struct mbox_msghdr *)(mdev->mbase + offset);
otx2vf_process_mbox_msg_up(vf, msg);
offset = mbox->rx_start + msg->next_msgoff;
@@ -178,40 +185,48 @@ static irqreturn_t otx2vf_vfaf_mbox_intr_handler(int irq, void *vf_irq)
struct otx2_mbox_dev *mdev;
struct otx2_mbox *mbox;
struct mbox_hdr *hdr;
+ u64 mbox_data;
/* Clear the IRQ */
otx2_write64(vf, RVU_VF_INT, BIT_ULL(0));
+ mbox_data = otx2_read64(vf, RVU_VF_VFPF_MBOX0);
+
/* Read latest mbox data */
smp_rmb();
- /* Check for PF => VF response messages */
- mbox = &vf->mbox.mbox;
- mdev = &mbox->dev[0];
- otx2_sync_mbox_bbuf(mbox, 0);
+ if (mbox_data & MBOX_DOWN_MSG) {
+ mbox_data &= ~MBOX_DOWN_MSG;
+ otx2_write64(vf, RVU_VF_VFPF_MBOX0, mbox_data);
+
+ /* Check for PF => VF response messages */
+ mbox = &vf->mbox.mbox;
+ mdev = &mbox->dev[0];
+ otx2_sync_mbox_bbuf(mbox, 0);
- trace_otx2_msg_interrupt(mbox->pdev, "PF to VF", BIT_ULL(0));
+ hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
+ if (hdr->num_msgs)
+ queue_work(vf->mbox_wq, &vf->mbox.mbox_wrk);
- hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
- if (hdr->num_msgs) {
- vf->mbox.num_msgs = hdr->num_msgs;
- hdr->num_msgs = 0;
- memset(mbox->hwbase + mbox->rx_start, 0,
- ALIGN(sizeof(struct mbox_hdr), sizeof(u64)));
- queue_work(vf->mbox_wq, &vf->mbox.mbox_wrk);
+ trace_otx2_msg_interrupt(mbox->pdev, "DOWN reply from PF to VF",
+ BIT_ULL(0));
}
- /* Check for PF => VF notification messages */
- mbox = &vf->mbox.mbox_up;
- mdev = &mbox->dev[0];
- otx2_sync_mbox_bbuf(mbox, 0);
-
- hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
- if (hdr->num_msgs) {
- vf->mbox.up_num_msgs = hdr->num_msgs;
- hdr->num_msgs = 0;
- memset(mbox->hwbase + mbox->rx_start, 0,
- ALIGN(sizeof(struct mbox_hdr), sizeof(u64)));
- queue_work(vf->mbox_wq, &vf->mbox.mbox_up_wrk);
+
+ if (mbox_data & MBOX_UP_MSG) {
+ mbox_data &= ~MBOX_UP_MSG;
+ otx2_write64(vf, RVU_VF_VFPF_MBOX0, mbox_data);
+
+ /* Check for PF => VF notification messages */
+ mbox = &vf->mbox.mbox_up;
+ mdev = &mbox->dev[0];
+ otx2_sync_mbox_bbuf(mbox, 0);
+
+ hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
+ if (hdr->num_msgs)
+ queue_work(vf->mbox_wq, &vf->mbox.mbox_up_wrk);
+
+ trace_otx2_msg_interrupt(mbox->pdev, "UP message from PF to VF",
+ BIT_ULL(0));
}
return IRQ_HANDLED;
--
GitLab
From cbf2f24939a5dafce6de4dd4422e543ce8f610cf Mon Sep 17 00:00:00 2001
From: Subbaraya Sundeep <sbhatta@marvell.com>
Date: Mon, 18 Mar 2024 14:59:55 +0530
Subject: [PATCH 1372/2686] octeontx2-pf: Wait till detach_resources msg is
complete
During VF driver remove, a message is sent to detach VF
resources to PF but VF is not waiting until message is
complete. Also mailbox interrupts need to be turned off
after the detach resource message is complete. This patch
fixes that problem.
Fixes: 05fcc9e08955 ("octeontx2-pf: Attach NIX and NPA block LFs")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c | 2 +-
drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index 02d0b707aea5b..a85ac039d779b 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -1592,7 +1592,7 @@ int otx2_detach_resources(struct mbox *mbox)
detach->partial = false;
/* Send detach request to AF */
- otx2_mbox_msg_send(&mbox->mbox, 0);
+ otx2_sync_mbox_msg(mbox);
mutex_unlock(&mbox->lock);
return 0;
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
index ced456cec8baf..cf0aa16d75407 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
@@ -775,8 +775,8 @@ static void otx2vf_remove(struct pci_dev *pdev)
otx2_mcam_flow_del(vf);
otx2_shutdown_tc(vf);
otx2_shutdown_qos(vf);
- otx2vf_disable_mbox_intr(vf);
otx2_detach_resources(&vf->mbox);
+ otx2vf_disable_mbox_intr(vf);
free_percpu(vf->hw.lmt_info);
if (test_bit(CN10K_LMTST, &vf->hw.cap_flag))
qmem_free(vf->dev, vf->dync_lmt);
--
GitLab
From 7558ce0d974ced1dc07edc1197f750fe28c52e57 Mon Sep 17 00:00:00 2001
From: Subbaraya Sundeep <sbhatta@marvell.com>
Date: Mon, 18 Mar 2024 14:59:56 +0530
Subject: [PATCH 1373/2686] octeontx2-pf: Use default max_active works instead
of one
Only one execution context for the workqueue used for PF and
VFs mailbox communication is incorrect since multiple works are
queued simultaneously by all the VFs and PF link UP messages.
Hence use default number of execution contexts by passing zero
as max_active to alloc_workqueue function. With this fix in place,
modify UP messages also to wait until completion.
Fixes: d424b6c02415 ("octeontx2-pf: Enable SRIOV and added VF mbox handling")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index 3c8841b35d0f7..f85d38fab3211 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -584,8 +584,9 @@ static int otx2_pfvf_mbox_init(struct otx2_nic *pf, int numvfs)
if (!pf->mbox_pfvf)
return -ENOMEM;
- pf->mbox_pfvf_wq = alloc_ordered_workqueue("otx2_pfvf_mailbox",
- WQ_HIGHPRI | WQ_MEM_RECLAIM);
+ pf->mbox_pfvf_wq = alloc_workqueue("otx2_pfvf_mailbox",
+ WQ_UNBOUND | WQ_HIGHPRI |
+ WQ_MEM_RECLAIM, 0);
if (!pf->mbox_pfvf_wq)
return -ENOMEM;
@@ -3146,7 +3147,7 @@ static void otx2_vf_link_event_task(struct work_struct *work)
otx2_mbox_wait_for_zero(&pf->mbox_pfvf[0].mbox_up, vf_idx);
- otx2_mbox_msg_send_up(&pf->mbox_pfvf[0].mbox_up, vf_idx);
+ otx2_sync_mbox_up_msg(&pf->mbox_pfvf[0], vf_idx);
mutex_unlock(&pf->mbox.lock);
}
--
GitLab
From dfcf6355f53b1796cf7fd50a4f27b18ee6a3497a Mon Sep 17 00:00:00 2001
From: Subbaraya Sundeep <sbhatta@marvell.com>
Date: Mon, 18 Mar 2024 14:59:57 +0530
Subject: [PATCH 1374/2686] octeontx2-pf: Send UP messages to VF only when VF
is up.
When PF sending link status messages to VF, it is possible
that by the time link_event_task work function is executed
VF might have brought down. Hence before sending VF link
status message check whether VF is up to receive it.
Fixes: ad513ed938c9 ("octeontx2-vf: Link event notification support")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index f85d38fab3211..b40bd0e467514 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -3122,6 +3122,9 @@ static void otx2_vf_link_event_task(struct work_struct *work)
vf_idx = config - config->pf->vf_configs;
pf = config->pf;
+ if (config->intf_down)
+ return;
+
mutex_lock(&pf->mbox.lock);
dwork = &config->link_event_work;
--
GitLab
From 50e60de381c342008c0956fd762e1c26408f372c Mon Sep 17 00:00:00 2001
From: Subbaraya Sundeep <sbhatta@marvell.com>
Date: Mon, 18 Mar 2024 14:59:58 +0530
Subject: [PATCH 1375/2686] octeontx2-af: Use separate handlers for interrupts
For PF to AF interrupt vector and VF to AF vector same
interrupt handler is registered which is causing race condition.
When two interrupts are raised to two CPUs at same time
then two cores serve same event corrupting the data.
Fixes: 7304ac4567bc ("octeontx2-af: Add mailbox IRQ and msg handlers")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/marvell/octeontx2/af/rvu.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index 0b65a18c3a882..ff78251f92d44 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -2533,10 +2533,9 @@ static void rvu_queue_work(struct mbox_wq_info *mw, int first,
}
}
-static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq)
+static irqreturn_t rvu_mbox_pf_intr_handler(int irq, void *rvu_irq)
{
struct rvu *rvu = (struct rvu *)rvu_irq;
- int vfs = rvu->vfs;
u64 intr;
intr = rvu_read64(rvu, BLKADDR_RVUM, RVU_AF_PFAF_MBOX_INT);
@@ -2550,6 +2549,18 @@ static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq)
rvu_queue_work(&rvu->afpf_wq_info, 0, rvu->hw->total_pfs, intr);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq)
+{
+ struct rvu *rvu = (struct rvu *)rvu_irq;
+ int vfs = rvu->vfs;
+ u64 intr;
+
+ /* Sync with mbox memory region */
+ rmb();
+
/* Handle VF interrupts */
if (vfs > 64) {
intr = rvupf_read64(rvu, RVU_PF_VFPF_MBOX_INTX(1));
@@ -2894,7 +2905,7 @@ static int rvu_register_interrupts(struct rvu *rvu)
/* Register mailbox interrupt handler */
sprintf(&rvu->irq_name[RVU_AF_INT_VEC_MBOX * NAME_SIZE], "RVUAF Mbox");
ret = request_irq(pci_irq_vector(rvu->pdev, RVU_AF_INT_VEC_MBOX),
- rvu_mbox_intr_handler, 0,
+ rvu_mbox_pf_intr_handler, 0,
&rvu->irq_name[RVU_AF_INT_VEC_MBOX * NAME_SIZE], rvu);
if (ret) {
dev_err(rvu->dev,
--
GitLab
From 28e4748e5e3d313056ed38abeff4b455abd02c1b Mon Sep 17 00:00:00 2001
From: Erick Archer <erick.archer@gmx.com>
Date: Sat, 20 Jan 2024 14:54:00 +0100
Subject: [PATCH 1376/2686] riscv: Use kcalloc() instead of kzalloc()
As noted in the "Deprecated Interfaces, Language Features, Attributes,
and Conventions" documentation [1], size calculations (especially
multiplication) should not be performed in memory allocator (or similar)
function arguments due to the risk of them overflowing. This could lead
to values wrapping around and a smaller allocation being made than the
caller was expecting. Using those allocations could lead to linear
overflows of heap memory and other misbehaviors.
So, use the purpose specific kcalloc() function instead of the argument
count * size in the kzalloc() function.
Also, it is preferred to use sizeof(*pointer) instead of sizeof(type)
due to the type of the variable can change and one needs not change the
former (unlike the latter).
Link: https://www.kernel.org/doc/html/next/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments [1]
Link: https://github.com/KSPP/linux/issues/162
Signed-off-by: Erick Archer <erick.archer@gmx.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20240120135400.4710-1-erick.archer@gmx.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/kernel/unaligned_access_speed.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/riscv/kernel/unaligned_access_speed.c b/arch/riscv/kernel/unaligned_access_speed.c
index 52264ea4f0bd7..a9a6bcb02acf1 100644
--- a/arch/riscv/kernel/unaligned_access_speed.c
+++ b/arch/riscv/kernel/unaligned_access_speed.c
@@ -218,8 +218,7 @@ static int check_unaligned_access_speed_all_cpus(void)
{
unsigned int cpu;
unsigned int cpu_count = num_possible_cpus();
- struct page **bufs = kzalloc(cpu_count * sizeof(struct page *),
- GFP_KERNEL);
+ struct page **bufs = kcalloc(cpu_count, sizeof(*bufs), GFP_KERNEL);
if (!bufs) {
pr_warn("Allocation failure, not measuring misaligned performance\n");
--
GitLab
From 01261e24cfab69c65043e1e61168348ae23a64c2 Mon Sep 17 00:00:00 2001
From: Alexandre Ghiti <alexghiti@rivosinc.com>
Date: Fri, 2 Feb 2024 13:47:11 +0100
Subject: [PATCH 1377/2686] riscv: Only flush the mm icache when setting an
exec pte
We used to emit a flush_icache_all() whenever a dirty executable
mapping is set in the page table but we can instead call
flush_icache_mm() which will only send IPIs to cores that currently run
this mm and add a deferred icache flush to the others.
The number of calls to sbi_remote_fence_i() (tested without IPI
support):
With a simple buildroot rootfs:
* Before: ~5k
* After : 4 (!)
Tested on HW, the boot to login is ~4.5% faster.
With an ubuntu rootfs:
* Before: ~24k
* After : ~13k
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20240202124711.256146-1-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/pgtable.h | 14 +++++++-------
arch/riscv/mm/cacheflush.c | 4 ++--
arch/riscv/mm/pgtable.c | 2 +-
3 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 9c45810806ff4..b2e6965748f21 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -513,12 +513,12 @@ static inline void set_pte(pte_t *ptep, pte_t pteval)
WRITE_ONCE(*ptep, pteval);
}
-void flush_icache_pte(pte_t pte);
+void flush_icache_pte(struct mm_struct *mm, pte_t pte);
-static inline void __set_pte_at(pte_t *ptep, pte_t pteval)
+static inline void __set_pte_at(struct mm_struct *mm, pte_t *ptep, pte_t pteval)
{
if (pte_present(pteval) && pte_exec(pteval))
- flush_icache_pte(pteval);
+ flush_icache_pte(mm, pteval);
set_pte(ptep, pteval);
}
@@ -529,7 +529,7 @@ static inline void set_ptes(struct mm_struct *mm, unsigned long addr,
page_table_check_ptes_set(mm, ptep, pteval, nr);
for (;;) {
- __set_pte_at(ptep, pteval);
+ __set_pte_at(mm, ptep, pteval);
if (--nr == 0)
break;
ptep++;
@@ -541,7 +541,7 @@ static inline void set_ptes(struct mm_struct *mm, unsigned long addr,
static inline void pte_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
- __set_pte_at(ptep, __pte(0));
+ __set_pte_at(mm, ptep, __pte(0));
}
#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS /* defined in mm/pgtable.c */
@@ -713,14 +713,14 @@ static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp, pmd_t pmd)
{
page_table_check_pmd_set(mm, pmdp, pmd);
- return __set_pte_at((pte_t *)pmdp, pmd_pte(pmd));
+ return __set_pte_at(mm, (pte_t *)pmdp, pmd_pte(pmd));
}
static inline void set_pud_at(struct mm_struct *mm, unsigned long addr,
pud_t *pudp, pud_t pud)
{
page_table_check_pud_set(mm, pudp, pud);
- return __set_pte_at((pte_t *)pudp, pud_pte(pud));
+ return __set_pte_at(mm, (pte_t *)pudp, pud_pte(pud));
}
#ifdef CONFIG_PAGE_TABLE_CHECK
diff --git a/arch/riscv/mm/cacheflush.c b/arch/riscv/mm/cacheflush.c
index 55a34f2020a85..bc61ee5975e41 100644
--- a/arch/riscv/mm/cacheflush.c
+++ b/arch/riscv/mm/cacheflush.c
@@ -82,12 +82,12 @@ void flush_icache_mm(struct mm_struct *mm, bool local)
#endif /* CONFIG_SMP */
#ifdef CONFIG_MMU
-void flush_icache_pte(pte_t pte)
+void flush_icache_pte(struct mm_struct *mm, pte_t pte)
{
struct folio *folio = page_folio(pte_page(pte));
if (!test_bit(PG_dcache_clean, &folio->flags)) {
- flush_icache_all();
+ flush_icache_mm(mm, false);
set_bit(PG_dcache_clean, &folio->flags);
}
}
diff --git a/arch/riscv/mm/pgtable.c b/arch/riscv/mm/pgtable.c
index ef887efcb6790..533ec9055fa0d 100644
--- a/arch/riscv/mm/pgtable.c
+++ b/arch/riscv/mm/pgtable.c
@@ -10,7 +10,7 @@ int ptep_set_access_flags(struct vm_area_struct *vma,
pte_t entry, int dirty)
{
if (!pte_same(ptep_get(ptep), entry))
- __set_pte_at(ptep, entry);
+ __set_pte_at(vma->vm_mm, ptep, entry);
/*
* update_mmu_cache will unconditionally execute, handling both
* the case that the PTE changed and the spurious fault case.
--
GitLab
From da215b089b5d4ff30745c59922b54b309d55a5d8 Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers@google.com>
Date: Wed, 7 Feb 2024 22:08:51 -0800
Subject: [PATCH 1378/2686] crypto: riscv - parallelize AES-CBC decryption
Since CBC decryption is parallelizable, make the RISC-V implementation
of AES-CBC decryption process multiple blocks at a time, instead of
processing the blocks one by one. This should improve performance.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240208060851.154129-1-ebiggers@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/crypto/aes-riscv64-zvkned.S | 24 +++++++++++++++---------
1 file changed, 15 insertions(+), 9 deletions(-)
diff --git a/arch/riscv/crypto/aes-riscv64-zvkned.S b/arch/riscv/crypto/aes-riscv64-zvkned.S
index 78d4e1186c074..43541aad6386c 100644
--- a/arch/riscv/crypto/aes-riscv64-zvkned.S
+++ b/arch/riscv/crypto/aes-riscv64-zvkned.S
@@ -139,19 +139,25 @@ SYM_FUNC_END(aes_ecb_decrypt_zvkned)
.endm
.macro aes_cbc_decrypt keylen
+ srli LEN, LEN, 2 // Convert LEN from bytes to words
vle32.v v16, (IVP) // Load IV
1:
- vle32.v v17, (INP) // Load ciphertext block
- vmv.v.v v18, v17 // Save ciphertext block
- aes_decrypt v17, \keylen // Decrypt
- vxor.vv v17, v17, v16 // XOR with IV or prev ciphertext block
- vse32.v v17, (OUTP) // Store plaintext block
- vmv.v.v v16, v18 // Next "IV" is prev ciphertext block
- addi INP, INP, 16
- addi OUTP, OUTP, 16
- addi LEN, LEN, -16
+ vsetvli t0, LEN, e32, m4, ta, ma
+ vle32.v v20, (INP) // Load ciphertext blocks
+ vslideup.vi v16, v20, 4 // Setup prev ciphertext blocks
+ addi t1, t0, -4
+ vslidedown.vx v24, v20, t1 // Save last ciphertext block
+ aes_decrypt v20, \keylen // Decrypt the blocks
+ vxor.vv v20, v20, v16 // XOR with prev ciphertext blocks
+ vse32.v v20, (OUTP) // Store plaintext blocks
+ vmv.v.v v16, v24 // Next "IV" is last ciphertext block
+ slli t1, t0, 2 // Words to bytes
+ add INP, INP, t1
+ add OUTP, OUTP, t1
+ sub LEN, LEN, t0
bnez LEN, 1b
+ vsetivli zero, 4, e32, m1, ta, ma
vse32.v v16, (IVP) // Store next IV
ret
.endm
--
GitLab
From c70dfa4a2723ff5046fdc6d8a054713483f64f1b Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers@google.com>
Date: Mon, 12 Feb 2024 21:54:42 -0800
Subject: [PATCH 1379/2686] crypto: riscv - add vector crypto accelerated
AES-CBC-CTS
Add an implementation of cts(cbc(aes)) accelerated using the Zvkned
RISC-V vector crypto extension. This is mainly useful for fscrypt,
where cts(cbc(aes)) is the "default" filenames encryption algorithm. In
that use case, typically most messages are short and are block-aligned.
The CBC-CTS variant implemented is CS3; this is the variant Linux uses.
To perform well on short messages, the new implementation processes the
full message in one call to the assembly function if the data is
contiguous. Otherwise it falls back to CBC operations followed by CTS
at the end. For decryption, to further improve performance on short
messages, especially block-aligned messages, the CBC-CTS assembly
function parallelizes the AES decryption of all full blocks. This
improves on the arm64 implementation of cts(cbc(aes)), which always
splits the CBC part(s) from the CTS part, doing the AES decryptions for
the last two blocks serially and usually loading the round keys twice.
Tested in QEMU with CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240213055442.35954-1-ebiggers@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/crypto/Kconfig | 4 +-
arch/riscv/crypto/aes-riscv64-glue.c | 93 ++++++++++++++-
arch/riscv/crypto/aes-riscv64-zvkned.S | 153 +++++++++++++++++++++++++
3 files changed, 245 insertions(+), 5 deletions(-)
diff --git a/arch/riscv/crypto/Kconfig b/arch/riscv/crypto/Kconfig
index 2ad44e1d464af..ad58dad9a5807 100644
--- a/arch/riscv/crypto/Kconfig
+++ b/arch/riscv/crypto/Kconfig
@@ -3,14 +3,14 @@
menu "Accelerated Cryptographic Algorithms for CPU (riscv)"
config CRYPTO_AES_RISCV64
- tristate "Ciphers: AES, modes: ECB, CBC, CTR, XTS"
+ tristate "Ciphers: AES, modes: ECB, CBC, CTS, CTR, XTS"
depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
select CRYPTO_ALGAPI
select CRYPTO_LIB_AES
select CRYPTO_SKCIPHER
help
Block cipher: AES cipher algorithms
- Length-preserving ciphers: AES with ECB, CBC, CTR, XTS
+ Length-preserving ciphers: AES with ECB, CBC, CTS, CTR, XTS
Architecture: riscv64 using:
- Zvkned vector crypto extension
diff --git a/arch/riscv/crypto/aes-riscv64-glue.c b/arch/riscv/crypto/aes-riscv64-glue.c
index 37bc6ef0be40e..f814ee048555b 100644
--- a/arch/riscv/crypto/aes-riscv64-glue.c
+++ b/arch/riscv/crypto/aes-riscv64-glue.c
@@ -1,13 +1,15 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* AES using the RISC-V vector crypto extensions. Includes the bare block
- * cipher and the ECB, CBC, CTR, and XTS modes.
+ * cipher and the ECB, CBC, CBC-CTS, CTR, and XTS modes.
*
* Copyright (C) 2023 VRULL GmbH
* Author: Heiko Stuebner <heiko.stuebner@vrull.eu>
*
* Copyright (C) 2023 SiFive, Inc.
* Author: Jerry Shih <jerry.shih@sifive.com>
+ *
+ * Copyright 2024 Google LLC
*/
#include <asm/simd.h>
@@ -40,6 +42,10 @@ asmlinkage void aes_cbc_decrypt_zvkned(const struct crypto_aes_ctx *key,
const u8 *in, u8 *out, size_t len,
u8 iv[AES_BLOCK_SIZE]);
+asmlinkage void aes_cbc_cts_crypt_zvkned(const struct crypto_aes_ctx *key,
+ const u8 *in, u8 *out, size_t len,
+ const u8 iv[AES_BLOCK_SIZE], bool enc);
+
asmlinkage void aes_ctr32_crypt_zvkned_zvkb(const struct crypto_aes_ctx *key,
const u8 *in, u8 *out, size_t len,
u8 iv[AES_BLOCK_SIZE]);
@@ -164,7 +170,7 @@ static int riscv64_aes_ecb_decrypt(struct skcipher_request *req)
/* AES-CBC */
-static inline int riscv64_aes_cbc_crypt(struct skcipher_request *req, bool enc)
+static int riscv64_aes_cbc_crypt(struct skcipher_request *req, bool enc)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
const struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
@@ -202,6 +208,70 @@ static int riscv64_aes_cbc_decrypt(struct skcipher_request *req)
return riscv64_aes_cbc_crypt(req, false);
}
+/* AES-CBC-CTS */
+
+static int riscv64_aes_cbc_cts_crypt(struct skcipher_request *req, bool enc)
+{
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ const struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
+ struct scatterlist sg_src[2], sg_dst[2];
+ struct skcipher_request subreq;
+ struct scatterlist *src, *dst;
+ struct skcipher_walk walk;
+ unsigned int cbc_len;
+ int err;
+
+ if (req->cryptlen < AES_BLOCK_SIZE)
+ return -EINVAL;
+
+ err = skcipher_walk_virt(&walk, req, false);
+ if (err)
+ return err;
+ /*
+ * If the full message is available in one step, decrypt it in one call
+ * to the CBC-CTS assembly function. This reduces overhead, especially
+ * on short messages. Otherwise, fall back to doing CBC up to the last
+ * two blocks, then invoke CTS just for the ciphertext stealing.
+ */
+ if (unlikely(walk.nbytes != req->cryptlen)) {
+ cbc_len = round_down(req->cryptlen - AES_BLOCK_SIZE - 1,
+ AES_BLOCK_SIZE);
+ skcipher_walk_abort(&walk);
+ skcipher_request_set_tfm(&subreq, tfm);
+ skcipher_request_set_callback(&subreq,
+ skcipher_request_flags(req),
+ NULL, NULL);
+ skcipher_request_set_crypt(&subreq, req->src, req->dst,
+ cbc_len, req->iv);
+ err = riscv64_aes_cbc_crypt(&subreq, enc);
+ if (err)
+ return err;
+ dst = src = scatterwalk_ffwd(sg_src, req->src, cbc_len);
+ if (req->dst != req->src)
+ dst = scatterwalk_ffwd(sg_dst, req->dst, cbc_len);
+ skcipher_request_set_crypt(&subreq, src, dst,
+ req->cryptlen - cbc_len, req->iv);
+ err = skcipher_walk_virt(&walk, &subreq, false);
+ if (err)
+ return err;
+ }
+ kernel_vector_begin();
+ aes_cbc_cts_crypt_zvkned(ctx, walk.src.virt.addr, walk.dst.virt.addr,
+ walk.nbytes, req->iv, enc);
+ kernel_vector_end();
+ return skcipher_walk_done(&walk, 0);
+}
+
+static int riscv64_aes_cbc_cts_encrypt(struct skcipher_request *req)
+{
+ return riscv64_aes_cbc_cts_crypt(req, true);
+}
+
+static int riscv64_aes_cbc_cts_decrypt(struct skcipher_request *req)
+{
+ return riscv64_aes_cbc_cts_crypt(req, false);
+}
+
/* AES-CTR */
static int riscv64_aes_ctr_crypt(struct skcipher_request *req)
@@ -434,6 +504,22 @@ static struct skcipher_alg riscv64_zvkned_aes_skcipher_algs[] = {
.cra_driver_name = "cbc-aes-riscv64-zvkned",
.cra_module = THIS_MODULE,
},
+ }, {
+ .setkey = riscv64_aes_setkey_skcipher,
+ .encrypt = riscv64_aes_cbc_cts_encrypt,
+ .decrypt = riscv64_aes_cbc_cts_decrypt,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .walksize = 4 * AES_BLOCK_SIZE, /* matches LMUL=4 */
+ .base = {
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypto_aes_ctx),
+ .cra_priority = 300,
+ .cra_name = "cts(cbc(aes))",
+ .cra_driver_name = "cts-cbc-aes-riscv64-zvkned",
+ .cra_module = THIS_MODULE,
+ },
}
};
@@ -540,11 +626,12 @@ static void __exit riscv64_aes_mod_exit(void)
module_init(riscv64_aes_mod_init);
module_exit(riscv64_aes_mod_exit);
-MODULE_DESCRIPTION("AES-ECB/CBC/CTR/XTS (RISC-V accelerated)");
+MODULE_DESCRIPTION("AES-ECB/CBC/CTS/CTR/XTS (RISC-V accelerated)");
MODULE_AUTHOR("Jerry Shih <jerry.shih@sifive.com>");
MODULE_LICENSE("GPL");
MODULE_ALIAS_CRYPTO("aes");
MODULE_ALIAS_CRYPTO("ecb(aes)");
MODULE_ALIAS_CRYPTO("cbc(aes)");
+MODULE_ALIAS_CRYPTO("cts(cbc(aes))");
MODULE_ALIAS_CRYPTO("ctr(aes)");
MODULE_ALIAS_CRYPTO("xts(aes)");
diff --git a/arch/riscv/crypto/aes-riscv64-zvkned.S b/arch/riscv/crypto/aes-riscv64-zvkned.S
index 43541aad6386c..23d063f94ce61 100644
--- a/arch/riscv/crypto/aes-riscv64-zvkned.S
+++ b/arch/riscv/crypto/aes-riscv64-zvkned.S
@@ -184,3 +184,156 @@ SYM_FUNC_START(aes_cbc_decrypt_zvkned)
192:
aes_cbc_decrypt 192
SYM_FUNC_END(aes_cbc_decrypt_zvkned)
+
+.macro aes_cbc_cts_encrypt keylen
+
+ // CBC-encrypt all blocks except the last. But don't store the
+ // second-to-last block to the output buffer yet, since it will be
+ // handled specially in the ciphertext stealing step. Exception: if the
+ // message is single-block, still encrypt the last (and only) block.
+ li t0, 16
+ j 2f
+1:
+ vse32.v v16, (OUTP) // Store ciphertext block
+ addi OUTP, OUTP, 16
+2:
+ vle32.v v17, (INP) // Load plaintext block
+ vxor.vv v16, v16, v17 // XOR with IV or prev ciphertext block
+ aes_encrypt v16, \keylen // Encrypt
+ addi INP, INP, 16
+ addi LEN, LEN, -16
+ bgt LEN, t0, 1b // Repeat if more than one block remains
+
+ // Special case: if the message is a single block, just do CBC.
+ beqz LEN, .Lcts_encrypt_done\@
+
+ // Encrypt the last two blocks using ciphertext stealing as follows:
+ // C[n-1] = Encrypt(Encrypt(P[n-1] ^ C[n-2]) ^ P[n])
+ // C[n] = Encrypt(P[n-1] ^ C[n-2])[0..LEN]
+ //
+ // C[i] denotes the i'th ciphertext block, and likewise P[i] the i'th
+ // plaintext block. Block n, the last block, may be partial; its length
+ // is 1 <= LEN <= 16. If there are only 2 blocks, C[n-2] means the IV.
+ //
+ // v16 already contains Encrypt(P[n-1] ^ C[n-2]).
+ // INP points to P[n]. OUTP points to where C[n-1] should go.
+ // To support in-place encryption, load P[n] before storing C[n].
+ addi t0, OUTP, 16 // Get pointer to where C[n] should go
+ vsetvli zero, LEN, e8, m1, tu, ma
+ vle8.v v17, (INP) // Load P[n]
+ vse8.v v16, (t0) // Store C[n]
+ vxor.vv v16, v16, v17 // v16 = Encrypt(P[n-1] ^ C[n-2]) ^ P[n]
+ vsetivli zero, 4, e32, m1, ta, ma
+ aes_encrypt v16, \keylen
+.Lcts_encrypt_done\@:
+ vse32.v v16, (OUTP) // Store C[n-1] (or C[n] in single-block case)
+ ret
+.endm
+
+#define LEN32 t4 // Length of remaining full blocks in 32-bit words
+#define LEN_MOD16 t5 // Length of message in bytes mod 16
+
+.macro aes_cbc_cts_decrypt keylen
+ andi LEN32, LEN, ~15
+ srli LEN32, LEN32, 2
+ andi LEN_MOD16, LEN, 15
+
+ // Save C[n-2] in v28 so that it's available later during the ciphertext
+ // stealing step. If there are fewer than three blocks, C[n-2] means
+ // the IV, otherwise it means the third-to-last ciphertext block.
+ vmv.v.v v28, v16 // IV
+ add t0, LEN, -33
+ bltz t0, .Lcts_decrypt_loop\@
+ andi t0, t0, ~15
+ add t0, t0, INP
+ vle32.v v28, (t0)
+
+ // CBC-decrypt all full blocks. For the last full block, or the last 2
+ // full blocks if the message is block-aligned, this doesn't write the
+ // correct output blocks (unless the message is only a single block),
+ // because it XORs the wrong values with the raw AES plaintexts. But we
+ // fix this after this loop without redoing the AES decryptions. This
+ // approach allows more of the AES decryptions to be parallelized.
+.Lcts_decrypt_loop\@:
+ vsetvli t0, LEN32, e32, m4, ta, ma
+ addi t1, t0, -4
+ vle32.v v20, (INP) // Load next set of ciphertext blocks
+ vmv.v.v v24, v16 // Get IV or last ciphertext block of prev set
+ vslideup.vi v24, v20, 4 // Setup prev ciphertext blocks
+ vslidedown.vx v16, v20, t1 // Save last ciphertext block of this set
+ aes_decrypt v20, \keylen // Decrypt this set of blocks
+ vxor.vv v24, v24, v20 // XOR prev ciphertext blocks with decrypted blocks
+ vse32.v v24, (OUTP) // Store this set of plaintext blocks
+ sub LEN32, LEN32, t0
+ slli t0, t0, 2 // Words to bytes
+ add INP, INP, t0
+ add OUTP, OUTP, t0
+ bnez LEN32, .Lcts_decrypt_loop\@
+
+ vsetivli zero, 4, e32, m4, ta, ma
+ vslidedown.vx v20, v20, t1 // Extract raw plaintext of last full block
+ addi t0, OUTP, -16 // Get pointer to last full plaintext block
+ bnez LEN_MOD16, .Lcts_decrypt_non_block_aligned\@
+
+ // Special case: if the message is a single block, just do CBC.
+ li t1, 16
+ beq LEN, t1, .Lcts_decrypt_done\@
+
+ // Block-aligned message. Just fix up the last 2 blocks. We need:
+ //
+ // P[n-1] = Decrypt(C[n]) ^ C[n-2]
+ // P[n] = Decrypt(C[n-1]) ^ C[n]
+ //
+ // We have C[n] in v16, Decrypt(C[n]) in v20, and C[n-2] in v28.
+ // Together with Decrypt(C[n-1]) ^ C[n-2] from the output buffer, this
+ // is everything needed to fix the output without re-decrypting blocks.
+ addi t1, OUTP, -32 // Get pointer to where P[n-1] should go
+ vxor.vv v20, v20, v28 // Decrypt(C[n]) ^ C[n-2] == P[n-1]
+ vle32.v v24, (t1) // Decrypt(C[n-1]) ^ C[n-2]
+ vse32.v v20, (t1) // Store P[n-1]
+ vxor.vv v20, v24, v16 // Decrypt(C[n-1]) ^ C[n-2] ^ C[n] == P[n] ^ C[n-2]
+ j .Lcts_decrypt_finish\@
+
+.Lcts_decrypt_non_block_aligned\@:
+ // Decrypt the last two blocks using ciphertext stealing as follows:
+ //
+ // P[n-1] = Decrypt(C[n] || Decrypt(C[n-1])[LEN_MOD16..16]) ^ C[n-2]
+ // P[n] = (Decrypt(C[n-1]) ^ C[n])[0..LEN_MOD16]
+ //
+ // We already have Decrypt(C[n-1]) in v20 and C[n-2] in v28.
+ vmv.v.v v16, v20 // v16 = Decrypt(C[n-1])
+ vsetvli zero, LEN_MOD16, e8, m1, tu, ma
+ vle8.v v20, (INP) // v20 = C[n] || Decrypt(C[n-1])[LEN_MOD16..16]
+ vxor.vv v16, v16, v20 // v16 = Decrypt(C[n-1]) ^ C[n]
+ vse8.v v16, (OUTP) // Store P[n]
+ vsetivli zero, 4, e32, m1, ta, ma
+ aes_decrypt v20, \keylen // v20 = Decrypt(C[n] || Decrypt(C[n-1])[LEN_MOD16..16])
+.Lcts_decrypt_finish\@:
+ vxor.vv v20, v20, v28 // XOR with C[n-2]
+ vse32.v v20, (t0) // Store last full plaintext block
+.Lcts_decrypt_done\@:
+ ret
+.endm
+
+.macro aes_cbc_cts_crypt keylen
+ vle32.v v16, (IVP) // Load IV
+ beqz a5, .Lcts_decrypt\@
+ aes_cbc_cts_encrypt \keylen
+.Lcts_decrypt\@:
+ aes_cbc_cts_decrypt \keylen
+.endm
+
+// void aes_cbc_cts_crypt_zvkned(const struct crypto_aes_ctx *key,
+// const u8 *in, u8 *out, size_t len,
+// const u8 iv[16], bool enc);
+//
+// Encrypts or decrypts a message with the CS3 variant of AES-CBC-CTS.
+// This is the variant that unconditionally swaps the last two blocks.
+SYM_FUNC_START(aes_cbc_cts_crypt_zvkned)
+ aes_begin KEYP, 128f, 192f
+ aes_cbc_cts_crypt 256
+128:
+ aes_cbc_cts_crypt 128
+192:
+ aes_cbc_cts_crypt 192
+SYM_FUNC_END(aes_cbc_cts_crypt_zvkned)
--
GitLab
From 5b142b37c70b1fa6936fa2d0babb0b8c16767d3a Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Fri, 15 Mar 2024 17:46:56 +0000
Subject: [PATCH 1380/2686] cifs: Move some extern decls from .c files to .h
Move the following:
extern mempool_t *cifs_sm_req_poolp;
extern mempool_t *cifs_req_poolp;
extern mempool_t *cifs_mid_poolp;
extern bool disable_legacy_dialects;
from various .c files to cifsglob.h.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-cifs@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/cifsfs.c | 4 ----
fs/smb/client/cifsglob.h | 2 ++
fs/smb/client/connect.c | 3 ---
fs/smb/client/misc.c | 3 ---
4 files changed, 2 insertions(+), 10 deletions(-)
diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c
index 81d9aafd2210a..aa6f1ecb7c0e8 100644
--- a/fs/smb/client/cifsfs.c
+++ b/fs/smb/client/cifsfs.c
@@ -151,10 +151,6 @@ MODULE_PARM_DESC(disable_legacy_dialects, "To improve security it may be "
"vers=1.0 (CIFS/SMB1) and vers=2.0 are weaker"
" and less secure. Default: n/N/0");
-extern mempool_t *cifs_sm_req_poolp;
-extern mempool_t *cifs_req_poolp;
-extern mempool_t *cifs_mid_poolp;
-
struct workqueue_struct *cifsiod_wq;
struct workqueue_struct *decrypt_wq;
struct workqueue_struct *fileinfo_put_wq;
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h
index 3da625d532359..7ed9d05f6890b 100644
--- a/fs/smb/client/cifsglob.h
+++ b/fs/smb/client/cifsglob.h
@@ -2107,6 +2107,8 @@ extern struct workqueue_struct *cifsoplockd_wq;
extern struct workqueue_struct *deferredclose_wq;
extern __u32 cifs_lock_secret;
+extern mempool_t *cifs_sm_req_poolp;
+extern mempool_t *cifs_req_poolp;
extern mempool_t *cifs_mid_poolp;
/* Operations for different SMB versions */
diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index 4cbb79418e506..9b85b5341822e 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -52,9 +52,6 @@
#include "fs_context.h"
#include "cifs_swn.h"
-extern mempool_t *cifs_req_poolp;
-extern bool disable_legacy_dialects;
-
/* FIXME: should these be tunable? */
#define TLINK_ERROR_EXPIRE (1 * HZ)
#define TLINK_IDLE_EXPIRE (600 * HZ)
diff --git a/fs/smb/client/misc.c b/fs/smb/client/misc.c
index 9428a0db77183..c3771fc81328f 100644
--- a/fs/smb/client/misc.c
+++ b/fs/smb/client/misc.c
@@ -27,9 +27,6 @@
#include "fs_context.h"
#include "cached_dir.h"
-extern mempool_t *cifs_sm_req_poolp;
-extern mempool_t *cifs_req_poolp;
-
/* The xid serves as a useful identifier for each incoming vfs request,
in a similar way to the mid which is useful to track each sent smb,
and CurrentXid can also provide a running counter (although it
--
GitLab
From 68c5818a27afcb5cdddab041b82e9d47c996cb6a Mon Sep 17 00:00:00 2001
From: Steve French <stfrench@microsoft.com>
Date: Tue, 19 Mar 2024 15:59:38 -0500
Subject: [PATCH 1381/2686] smb311: correct incorrect offset field in
compression header
The offset field in the compression header is 32 bits not 16.
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Reported-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/common/smb2pdu.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/smb/common/smb2pdu.h b/fs/smb/common/smb2pdu.h
index 20784f76a6045..a23b56f93c36e 100644
--- a/fs/smb/common/smb2pdu.h
+++ b/fs/smb/common/smb2pdu.h
@@ -227,7 +227,7 @@ struct smb2_compression_hdr {
__le32 OriginalCompressedSegmentSize;
__le16 CompressionAlgorithm;
__le16 Flags;
- __le16 Offset; /* this is the size of the uncompressed SMB2 header below */
+ __le32 Offset; /* this is the size of the uncompressed SMB2 header below */
/* uncompressed SMB2 header (READ or WRITE) goes here */
/* compressed data goes here */
} __packed;
--
GitLab
From e56bc745fa1de77abc2ad8debc4b1b83e0426c49 Mon Sep 17 00:00:00 2001
From: Steve French <stfrench@microsoft.com>
Date: Tue, 19 Mar 2024 17:00:01 -0500
Subject: [PATCH 1382/2686] smb311: additional compression flag defined in
updated protocol spec
Added new compression flag that was recently documented, in
addition fix some typos and clarify the sid_attr_data struct
definition.
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/common/smb2pdu.h | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/fs/smb/common/smb2pdu.h b/fs/smb/common/smb2pdu.h
index a23b56f93c36e..1b594307c9d5a 100644
--- a/fs/smb/common/smb2pdu.h
+++ b/fs/smb/common/smb2pdu.h
@@ -280,15 +280,16 @@ struct smb3_blob_data {
#define SE_GROUP_RESOURCE 0x20000000
#define SE_GROUP_LOGON_ID 0xC0000000
-/* struct sid_attr_data is SidData array in BlobData format then le32 Attr */
-
struct sid_array_data {
__le16 SidAttrCount;
/* SidAttrList - array of sid_attr_data structs */
} __packed;
-struct luid_attr_data {
-
+/* struct sid_attr_data is SidData array in BlobData format then le32 Attr */
+struct sid_attr_data {
+ __le16 BlobSize;
+ __u8 BlobData[];
+ /* __le32 Attr */
} __packed;
/*
@@ -502,6 +503,7 @@ struct smb2_encryption_neg_context {
#define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003)
/* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */
#define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */
+#define SMB3_COMPRESS_LZ4 cpu_to_le16(0x0005)
/* Compression Flags */
#define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000)
--
GitLab
From 2f14c0c8cae8e9e3b603a3f91909baba66540027 Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@amd.com>
Date: Tue, 5 Mar 2024 14:34:24 -0600
Subject: [PATCH 1383/2686] drm/amd/display: Use freesync when
`DRM_EDID_FEATURE_CONTINUOUS_FREQ` found
The monitor shipped with the Framework 16 supports VRR [1], but it's not
being advertised.
This is because the detailed timing block doesn't contain
`EDID_DETAIL_MONITOR_RANGE` which amdgpu looks for to find min and max
frequencies. This check however is superfluous for this case because
update_display_info() calls drm_get_monitor_range() to get these ranges
already.
So if the `DRM_EDID_FEATURE_CONTINUOUS_FREQ` EDID feature is found then
turn on freesync without extra checks.
v2: squash in fix from Harry
Closes: https://www.reddit.com/r/framework/comments/1b4y2i5/no_variable_refresh_rate_on_the_framework_16_on/
Closes: https://www.reddit.com/r/framework/comments/1b6vzcy/framework_16_variable_refresh_rate/
Closes: https://community.frame.work/t/resolved-no-vrr-freesync-with-amd-version/42338
Link: https://gist.github.com/superm1/e8fbacfa4d0f53150231d3a3e0a13faf
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 22 ++++++++++++-------
1 file changed, 14 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 1c9c6096e28fb..b2013f2b57c07 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -11271,18 +11271,24 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
if (!adev->dm.freesync_module)
goto update;
- if (sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT
- || sink->sink_signal == SIGNAL_TYPE_EDP) {
+ if (edid && (sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT ||
+ sink->sink_signal == SIGNAL_TYPE_EDP)) {
bool edid_check_required = false;
- if (edid) {
- edid_check_required = is_dp_capable_without_timing_msa(
- adev->dm.dc,
- amdgpu_dm_connector);
+ if (is_dp_capable_without_timing_msa(adev->dm.dc,
+ amdgpu_dm_connector)) {
+ if (edid->features & DRM_EDID_FEATURE_CONTINUOUS_FREQ) {
+ freesync_capable = true;
+ amdgpu_dm_connector->min_vfreq = connector->display_info.monitor_range.min_vfreq;
+ amdgpu_dm_connector->max_vfreq = connector->display_info.monitor_range.max_vfreq;
+ } else {
+ edid_check_required = edid->version > 1 ||
+ (edid->version == 1 &&
+ edid->revision > 1);
+ }
}
- if (edid_check_required == true && (edid->version > 1 ||
- (edid->version == 1 && edid->revision > 1))) {
+ if (edid_check_required) {
for (i = 0; i < 4; i++) {
timing = &edid->detailed_timings[i];
--
GitLab
From 71b9d19220dae4b69f03acd900498b23eeeaf000 Mon Sep 17 00:00:00 2001
From: Mukul Joshi <mukul.joshi@amd.com>
Date: Fri, 8 Mar 2024 11:11:03 -0500
Subject: [PATCH 1384/2686] drm/amdgpu: Handle duplicate BOs during process
restore
In certain situations, some apps can import a BO multiple times
(through IPC for example). To restore such processes successfully,
we need to tell drm to ignore duplicate BOs.
While at it, also add additional logging to prevent silent failures
when process restore fails.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 14dc9d2d8d53a..df58a6a1a67ec 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -2869,14 +2869,16 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence __rcu *
mutex_lock(&process_info->lock);
- drm_exec_init(&exec, 0, 0);
+ drm_exec_init(&exec, DRM_EXEC_IGNORE_DUPLICATES, 0);
drm_exec_until_all_locked(&exec) {
list_for_each_entry(peer_vm, &process_info->vm_list_head,
vm_list_node) {
ret = amdgpu_vm_lock_pd(peer_vm, &exec, 2);
drm_exec_retry_on_contention(&exec);
- if (unlikely(ret))
+ if (unlikely(ret)) {
+ pr_err("Locking VM PD failed, ret: %d\n", ret);
goto ttm_reserve_fail;
+ }
}
/* Reserve all BOs and page tables/directory. Add all BOs from
@@ -2889,8 +2891,10 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence __rcu *
gobj = &mem->bo->tbo.base;
ret = drm_exec_prepare_obj(&exec, gobj, 1);
drm_exec_retry_on_contention(&exec);
- if (unlikely(ret))
+ if (unlikely(ret)) {
+ pr_err("drm_exec_prepare_obj failed, ret: %d\n", ret);
goto ttm_reserve_fail;
+ }
}
}
@@ -2950,8 +2954,10 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence __rcu *
* validations above would invalidate DMABuf imports again.
*/
ret = process_validate_vms(process_info, &exec.ticket);
- if (ret)
+ if (ret) {
+ pr_debug("Validating VMs failed, ret: %d\n", ret);
goto validate_map_fail;
+ }
/* Update mappings not managed by KFD */
list_for_each_entry(peer_vm, &process_info->vm_list_head,
--
GitLab
From 22207fd5c80177b860279653d017474b2812af5e Mon Sep 17 00:00:00 2001
From: Vitaly Prosyak <vitaly.prosyak@amd.com>
Date: Wed, 6 Mar 2024 14:57:48 -0500
Subject: [PATCH 1385/2686] drm/amdgpu: fix use-after-free bug
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The bug can be triggered by sending a single amdgpu_gem_userptr_ioctl
to the AMDGPU DRM driver on any ASICs with an invalid address and size.
The bug was reported by Joonkyo Jung <joonkyoj@yonsei.ac.kr>.
For example the following code:
static void Syzkaller1(int fd)
{
struct drm_amdgpu_gem_userptr arg;
int ret;
arg.addr = 0xffffffffffff0000;
arg.size = 0x80000000; /*2 Gb*/
arg.flags = 0x7;
ret = drmIoctl(fd, 0xc1186451/*amdgpu_gem_userptr_ioctl*/, &arg);
}
Due to the address and size are not valid there is a failure in
amdgpu_hmm_register->mmu_interval_notifier_insert->__mmu_interval_notifier_insert->
check_shl_overflow, but we even the amdgpu_hmm_register failure we still call
amdgpu_hmm_unregister into amdgpu_gem_object_free which causes access to a bad address.
The following stack is below when the issue is reproduced when Kazan is enabled:
[ +0.000014] Hardware name: ASUS System Product Name/ROG STRIX B550-F GAMING (WI-FI), BIOS 1401 12/03/2020
[ +0.000009] RIP: 0010:mmu_interval_notifier_remove+0x327/0x340
[ +0.000017] Code: ff ff 49 89 44 24 08 48 b8 00 01 00 00 00 00 ad de 4c 89 f7 49 89 47 40 48 83 c0 22 49 89 47 48 e8 ce d1 2d 01 e9 32 ff ff ff <0f> 0b e9 16 ff ff ff 4c 89 ef e8 fa 14 b3 ff e9 36 ff ff ff e8 80
[ +0.000014] RSP: 0018:ffffc90002657988 EFLAGS: 00010246
[ +0.000013] RAX: 0000000000000000 RBX: 1ffff920004caf35 RCX: ffffffff8160565b
[ +0.000011] RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffff8881a9f78260
[ +0.000010] RBP: ffffc90002657a70 R08: 0000000000000001 R09: fffff520004caf25
[ +0.000010] R10: 0000000000000003 R11: ffffffff8161d1d6 R12: ffff88810e988c00
[ +0.000010] R13: ffff888126fb5a00 R14: ffff88810e988c0c R15: ffff8881a9f78260
[ +0.000011] FS: 00007ff9ec848540(0000) GS:ffff8883cc880000(0000) knlGS:0000000000000000
[ +0.000012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ +0.000010] CR2: 000055b3f7e14328 CR3: 00000001b5770000 CR4: 0000000000350ef0
[ +0.000010] Call Trace:
[ +0.000006] <TASK>
[ +0.000007] ? show_regs+0x6a/0x80
[ +0.000018] ? __warn+0xa5/0x1b0
[ +0.000019] ? mmu_interval_notifier_remove+0x327/0x340
[ +0.000018] ? report_bug+0x24a/0x290
[ +0.000022] ? handle_bug+0x46/0x90
[ +0.000015] ? exc_invalid_op+0x19/0x50
[ +0.000016] ? asm_exc_invalid_op+0x1b/0x20
[ +0.000017] ? kasan_save_stack+0x26/0x50
[ +0.000017] ? mmu_interval_notifier_remove+0x23b/0x340
[ +0.000019] ? mmu_interval_notifier_remove+0x327/0x340
[ +0.000019] ? mmu_interval_notifier_remove+0x23b/0x340
[ +0.000020] ? __pfx_mmu_interval_notifier_remove+0x10/0x10
[ +0.000017] ? kasan_save_alloc_info+0x1e/0x30
[ +0.000018] ? srso_return_thunk+0x5/0x5f
[ +0.000014] ? __kasan_kmalloc+0xb1/0xc0
[ +0.000018] ? srso_return_thunk+0x5/0x5f
[ +0.000013] ? __kasan_check_read+0x11/0x20
[ +0.000020] amdgpu_hmm_unregister+0x34/0x50 [amdgpu]
[ +0.004695] amdgpu_gem_object_free+0x66/0xa0 [amdgpu]
[ +0.004534] ? __pfx_amdgpu_gem_object_free+0x10/0x10 [amdgpu]
[ +0.004291] ? do_syscall_64+0x5f/0xe0
[ +0.000023] ? srso_return_thunk+0x5/0x5f
[ +0.000017] drm_gem_object_free+0x3b/0x50 [drm]
[ +0.000489] amdgpu_gem_userptr_ioctl+0x306/0x500 [amdgpu]
[ +0.004295] ? __pfx_amdgpu_gem_userptr_ioctl+0x10/0x10 [amdgpu]
[ +0.004270] ? srso_return_thunk+0x5/0x5f
[ +0.000014] ? __this_cpu_preempt_check+0x13/0x20
[ +0.000015] ? srso_return_thunk+0x5/0x5f
[ +0.000013] ? sysvec_apic_timer_interrupt+0x57/0xc0
[ +0.000020] ? srso_return_thunk+0x5/0x5f
[ +0.000014] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ +0.000022] ? drm_ioctl_kernel+0x17b/0x1f0 [drm]
[ +0.000496] ? __pfx_amdgpu_gem_userptr_ioctl+0x10/0x10 [amdgpu]
[ +0.004272] ? drm_ioctl_kernel+0x190/0x1f0 [drm]
[ +0.000492] drm_ioctl_kernel+0x140/0x1f0 [drm]
[ +0.000497] ? __pfx_amdgpu_gem_userptr_ioctl+0x10/0x10 [amdgpu]
[ +0.004297] ? __pfx_drm_ioctl_kernel+0x10/0x10 [drm]
[ +0.000489] ? srso_return_thunk+0x5/0x5f
[ +0.000011] ? __kasan_check_write+0x14/0x20
[ +0.000016] drm_ioctl+0x3da/0x730 [drm]
[ +0.000475] ? __pfx_amdgpu_gem_userptr_ioctl+0x10/0x10 [amdgpu]
[ +0.004293] ? __pfx_drm_ioctl+0x10/0x10 [drm]
[ +0.000506] ? __pfx_rpm_resume+0x10/0x10
[ +0.000016] ? srso_return_thunk+0x5/0x5f
[ +0.000011] ? __kasan_check_write+0x14/0x20
[ +0.000010] ? srso_return_thunk+0x5/0x5f
[ +0.000011] ? _raw_spin_lock_irqsave+0x99/0x100
[ +0.000015] ? __pfx__raw_spin_lock_irqsave+0x10/0x10
[ +0.000014] ? srso_return_thunk+0x5/0x5f
[ +0.000013] ? srso_return_thunk+0x5/0x5f
[ +0.000011] ? srso_return_thunk+0x5/0x5f
[ +0.000011] ? preempt_count_sub+0x18/0xc0
[ +0.000013] ? srso_return_thunk+0x5/0x5f
[ +0.000010] ? _raw_spin_unlock_irqrestore+0x27/0x50
[ +0.000019] amdgpu_drm_ioctl+0x7e/0xe0 [amdgpu]
[ +0.004272] __x64_sys_ioctl+0xcd/0x110
[ +0.000020] do_syscall_64+0x5f/0xe0
[ +0.000021] entry_SYSCALL_64_after_hwframe+0x6e/0x76
[ +0.000015] RIP: 0033:0x7ff9ed31a94f
[ +0.000012] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 77 1f 48 8b 44 24 18 64 48 2b 04 25 28 00
[ +0.000013] RSP: 002b:00007fff25f66790 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ +0.000016] RAX: ffffffffffffffda RBX: 000055b3f7e133e0 RCX: 00007ff9ed31a94f
[ +0.000012] RDX: 000055b3f7e133e0 RSI: 00000000c1186451 RDI: 0000000000000003
[ +0.000010] RBP: 00000000c1186451 R08: 0000000000000000 R09: 0000000000000000
[ +0.000009] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fff25f66ca8
[ +0.000009] R13: 0000000000000003 R14: 000055b3f7021ba8 R15: 00007ff9ed7af040
[ +0.000024] </TASK>
[ +0.000007] ---[ end trace 0000000000000000 ]---
v2: Consolidate any error handling into amdgpu_hmm_register
which applied to kfd_bo also. (Christian)
v3: Improve syntax and comment (Christian)
Cc: Christian Koenig <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Felix Kuehling <felix.kuehling@amd.com>
Cc: Joonkyo Jung <joonkyoj@yonsei.ac.kr>
Cc: Dokyung Song <dokyungs@yonsei.ac.kr>
Cc: <jisoo.jang@yonsei.ac.kr>
Cc: <yw9865@yonsei.ac.kr>
Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
index 55b65fc04b651..431ec72655ec8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
@@ -129,13 +129,25 @@ static const struct mmu_interval_notifier_ops amdgpu_hmm_hsa_ops = {
*/
int amdgpu_hmm_register(struct amdgpu_bo *bo, unsigned long addr)
{
+ int r;
+
if (bo->kfd_bo)
- return mmu_interval_notifier_insert(&bo->notifier, current->mm,
+ r = mmu_interval_notifier_insert(&bo->notifier, current->mm,
addr, amdgpu_bo_size(bo),
&amdgpu_hmm_hsa_ops);
- return mmu_interval_notifier_insert(&bo->notifier, current->mm, addr,
- amdgpu_bo_size(bo),
- &amdgpu_hmm_gfx_ops);
+ else
+ r = mmu_interval_notifier_insert(&bo->notifier, current->mm, addr,
+ amdgpu_bo_size(bo),
+ &amdgpu_hmm_gfx_ops);
+ if (r)
+ /*
+ * Make sure amdgpu_hmm_unregister() doesn't call
+ * mmu_interval_notifier_remove() when the notifier isn't properly
+ * initialized.
+ */
+ bo->notifier.mm = NULL;
+
+ return r;
}
/**
--
GitLab
From 6540ff6482c1a5a6890ae44b23d0852ba1986d9e Mon Sep 17 00:00:00 2001
From: Lang Yu <Lang.Yu@amd.com>
Date: Wed, 6 Mar 2024 12:42:49 +0800
Subject: [PATCH 1386/2686] drm/amdgpu: fix mmhub client id out-of-bounds
access
Properly handle cid 0x140.
Fixes: aba2be41470a ("drm/amdgpu: add mmhub 3.3.0 support")
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/mmhub_v3_3.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v3_3.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_3.c
index b3961968c10c4..238ea40c24500 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v3_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_3.c
@@ -99,16 +99,15 @@ mmhub_v3_3_print_l2_protection_fault_status(struct amdgpu_device *adev,
switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0)) {
case IP_VERSION(3, 3, 0):
case IP_VERSION(3, 3, 1):
- mmhub_cid = mmhub_client_ids_v3_3[cid][rw];
+ mmhub_cid = cid < ARRAY_SIZE(mmhub_client_ids_v3_3) ?
+ mmhub_client_ids_v3_3[cid][rw] :
+ cid == 0x140 ? "UMSCH" : NULL;
break;
default:
mmhub_cid = NULL;
break;
}
- if (!mmhub_cid && cid == 0x140)
- mmhub_cid = "UMSCH";
-
dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
mmhub_cid ? mmhub_cid : "unknown", cid);
dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
--
GitLab
From c6ba60af015a0cc42bec5ca1cdc28a108958363a Mon Sep 17 00:00:00 2001
From: Friedrich Vock <friedrich.vock@gmx.de>
Date: Sun, 10 Mar 2024 06:40:40 +0100
Subject: [PATCH 1387/2686] drm/amdgpu: Reset IH OVERFLOW_EN bit for IH 7.0
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
IH 7.0 support landed shortly after the original patch for resetting the
bit on all other generations, but without that patch applied.
Fixes: 12443fc53e7d ("drm/amdgpu: Add ih v7_0 ip block support")
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Friedrich Vock <friedrich.vock@gmx.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/ih_v7_0.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/ih_v7_0.c b/drivers/gpu/drm/amd/amdgpu/ih_v7_0.c
index 16fe428c0722d..7aed96fa10a9d 100644
--- a/drivers/gpu/drm/amd/amdgpu/ih_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/ih_v7_0.c
@@ -418,6 +418,12 @@ static u32 ih_v7_0_get_wptr(struct amdgpu_device *adev,
tmp = RREG32_NO_KIQ(ih_regs->ih_rb_cntl);
tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
WREG32_NO_KIQ(ih_regs->ih_rb_cntl, tmp);
+
+ /* Unset the CLEAR_OVERFLOW bit immediately so new overflows
+ * can be detected.
+ */
+ tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 0);
+ WREG32_NO_KIQ(ih_regs->ih_rb_cntl, tmp);
out:
return (wptr & ih->ptr_mask);
}
--
GitLab
From 75eb8f7df65c5e6eb22a5aff8deb60ce0b65de1a Mon Sep 17 00:00:00 2001
From: Swapnil Patel <swapnil.patel@amd.com>
Date: Tue, 13 Feb 2024 08:09:48 -0500
Subject: [PATCH 1388/2686] drm/amd/display: Change default size for dummy
plane in DML2
[WHY & HOW]
Currently, to map dc states into dml_display_cfg,
We create a dummy plane if the stream doesn't have any planes
attached to it. This dummy plane uses max addersable width height.
This results in certain mode validations failing when they shouldn't.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Swapnil Patel <swapnil.patel@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../display/dc/dml2/dml2_translation_helper.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
index 1ba6933d2b361..17a58f41fc6a8 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
@@ -824,13 +824,25 @@ static struct scaler_data get_scaler_data_for_plane(const struct dc_plane_state
static void populate_dummy_dml_plane_cfg(struct dml_plane_cfg_st *out, unsigned int location, const struct dc_stream_state *in)
{
+ dml_uint_t width, height;
+
+ if (in->timing.h_addressable > 3840)
+ width = 3840;
+ else
+ width = in->timing.h_addressable; // 4K max
+
+ if (in->timing.v_addressable > 2160)
+ height = 2160;
+ else
+ height = in->timing.v_addressable; // 4K max
+
out->CursorBPP[location] = dml_cur_32bit;
out->CursorWidth[location] = 256;
out->GPUVMMinPageSizeKBytes[location] = 256;
- out->ViewportWidth[location] = in->timing.h_addressable;
- out->ViewportHeight[location] = in->timing.v_addressable;
+ out->ViewportWidth[location] = width;
+ out->ViewportHeight[location] = height;
out->ViewportStationary[location] = false;
out->ViewportWidthChroma[location] = 0;
out->ViewportHeightChroma[location] = 0;
@@ -849,7 +861,7 @@ static void populate_dummy_dml_plane_cfg(struct dml_plane_cfg_st *out, unsigned
out->HTapsChroma[location] = 0;
out->VTapsChroma[location] = 0;
out->SourceScan[location] = dml_rotation_0;
- out->ScalerRecoutWidth[location] = in->timing.h_addressable;
+ out->ScalerRecoutWidth[location] = width;
out->LBBitPerPixel[location] = 57;
--
GitLab
From a568c4947ee1279c5e411bc9afc60233b23bed7d Mon Sep 17 00:00:00 2001
From: Aurabindo Pillai <aurabindo.pillai@amd.com>
Date: Sun, 10 Dec 2023 23:52:25 -0500
Subject: [PATCH 1389/2686] drm/amd/display: Enable DML2 debug flags
[WHY & HOW]
Enable DML2 related debug config options in DM for testing purposes.
Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index b2013f2b57c07..2851719d71216 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1767,6 +1767,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
if (amdgpu_dc_debug_mask & DC_FORCE_SUBVP_MCLK_SWITCH)
adev->dm.dc->debug.force_subvp_mclk_switch = true;
+ if (amdgpu_dc_debug_mask & DC_ENABLE_DML2)
+ adev->dm.dc->debug.using_dml2 = true;
+
adev->dm.dc->debug.visual_confirm = amdgpu_dc_visual_confirm;
/* TODO: Remove after DP2 receiver gets proper support of Cable ID feature */
--
GitLab
From 6a7cbbc267c0cafa2b027983a40276deb673c066 Mon Sep 17 00:00:00 2001
From: Saleemkhan Jamadar <saleemkhan.jamadar@amd.com>
Date: Wed, 6 Mar 2024 18:15:29 +0530
Subject: [PATCH 1390/2686] drm/amdgpu/vcn: enable vcn1 fw load for VCN 4_0_6
v1 - update the fw header for each vcn instance (Veera)
VCN1 has different FW binary in VCN v4_0_6.
Add changes to load the VCN1 fw binary
Signed-off-by: Saleemkhan Jamadar <saleemkhan.jamadar@amd.com>
Reviewed-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 38 ++++++++++++++++---------
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 2 +-
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 4 +--
drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c | 6 ++--
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 8 ++++--
drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 6 ++--
drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c | 6 ++--
drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c | 6 ++--
drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c | 10 +++----
drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c | 4 +--
10 files changed, 52 insertions(+), 38 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index b2535023764f4..9c514a606a2f4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -60,6 +60,7 @@
#define FIRMWARE_VCN4_0_4 "amdgpu/vcn_4_0_4.bin"
#define FIRMWARE_VCN4_0_5 "amdgpu/vcn_4_0_5.bin"
#define FIRMWARE_VCN4_0_6 "amdgpu/vcn_4_0_6.bin"
+#define FIRMWARE_VCN4_0_6_1 "amdgpu/vcn_4_0_6_1.bin"
#define FIRMWARE_VCN5_0_0 "amdgpu/vcn_5_0_0.bin"
MODULE_FIRMWARE(FIRMWARE_RAVEN);
@@ -85,6 +86,7 @@ MODULE_FIRMWARE(FIRMWARE_VCN4_0_3);
MODULE_FIRMWARE(FIRMWARE_VCN4_0_4);
MODULE_FIRMWARE(FIRMWARE_VCN4_0_5);
MODULE_FIRMWARE(FIRMWARE_VCN4_0_6);
+MODULE_FIRMWARE(FIRMWARE_VCN4_0_6_1);
MODULE_FIRMWARE(FIRMWARE_VCN5_0_0);
static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
@@ -93,14 +95,22 @@ int amdgpu_vcn_early_init(struct amdgpu_device *adev)
{
char ucode_prefix[30];
char fw_name[40];
- int r;
+ int r, i;
- amdgpu_ucode_ip_version_decode(adev, UVD_HWIP, ucode_prefix, sizeof(ucode_prefix));
- snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
- r = amdgpu_ucode_request(adev, &adev->vcn.fw, fw_name);
- if (r)
- amdgpu_ucode_release(&adev->vcn.fw);
+ for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
+ amdgpu_ucode_ip_version_decode(adev, UVD_HWIP, ucode_prefix, sizeof(ucode_prefix));
+ snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
+ if (amdgpu_ip_version(adev, UVD_HWIP, 0) == IP_VERSION(4, 0, 6) &&
+ i == 1) {
+ snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_%d.bin", ucode_prefix, i);
+ }
+ r = amdgpu_ucode_request(adev, &adev->vcn.fw[i], fw_name);
+ if (r) {
+ amdgpu_ucode_release(&adev->vcn.fw[i]);
+ return r;
+ }
+ }
return r;
}
@@ -141,7 +151,7 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
}
}
- hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
+ hdr = (const struct common_firmware_header *)adev->vcn.fw[0]->data;
adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);
/* Bit 20-23, it is encode major and non-zero for new naming convention.
@@ -256,9 +266,10 @@ int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
for (i = 0; i < adev->vcn.num_enc_rings; ++i)
amdgpu_ring_fini(&adev->vcn.inst[j].ring_enc[i]);
+
+ amdgpu_ucode_release(&adev->vcn.fw[j]);
}
- amdgpu_ucode_release(&adev->vcn.fw);
mutex_destroy(&adev->vcn.vcn1_jpeg1_workaround);
mutex_destroy(&adev->vcn.vcn_pg_lock);
@@ -354,11 +365,12 @@ int amdgpu_vcn_resume(struct amdgpu_device *adev)
const struct common_firmware_header *hdr;
unsigned int offset;
- hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
+ hdr = (const struct common_firmware_header *)adev->vcn.fw[i]->data;
if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
if (drm_dev_enter(adev_to_drm(adev), &idx)) {
- memcpy_toio(adev->vcn.inst[i].cpu_addr, adev->vcn.fw->data + offset,
+ memcpy_toio(adev->vcn.inst[i].cpu_addr,
+ adev->vcn.fw[i]->data + offset,
le32_to_cpu(hdr->ucode_size_bytes));
drm_dev_exit(idx);
}
@@ -1043,11 +1055,11 @@ void amdgpu_vcn_setup_ucode(struct amdgpu_device *adev)
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
const struct common_firmware_header *hdr;
- hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
-
for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
if (adev->vcn.harvest_config & (1 << i))
continue;
+
+ hdr = (const struct common_firmware_header *)adev->vcn.fw[i]->data;
/* currently only support 2 FW instances */
if (i >= 2) {
dev_info(adev->dev, "More then 2 VCN FW instances!\n");
@@ -1055,7 +1067,7 @@ void amdgpu_vcn_setup_ucode(struct amdgpu_device *adev)
}
idx = AMDGPU_UCODE_ID_VCN + i;
adev->firmware.ucode[idx].ucode_id = idx;
- adev->firmware.ucode[idx].fw = adev->vcn.fw;
+ adev->firmware.ucode[idx].fw = adev->vcn.fw[i];
adev->firmware.fw_size +=
ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index 1985f71b4373b..a418393d89ec9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -306,7 +306,7 @@ struct amdgpu_vcn_ras {
struct amdgpu_vcn {
unsigned fw_version;
struct delayed_work idle_work;
- const struct firmware *fw; /* VCN firmware */
+ const struct firmware *fw[AMDGPU_MAX_VCN_INSTANCES]; /* VCN firmware */
unsigned num_enc_rings;
enum amd_powergating_state cur_state;
bool indirect_sram;
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 25ba27151ac0f..aaceecd558cf9 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -304,7 +304,7 @@ static int vcn_v1_0_resume(void *handle)
*/
static void vcn_v1_0_mc_resume_spg_mode(struct amdgpu_device *adev)
{
- uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+ uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[0]->size + 4);
uint32_t offset;
/* cache window 0: fw */
@@ -371,7 +371,7 @@ static void vcn_v1_0_mc_resume_spg_mode(struct amdgpu_device *adev)
static void vcn_v1_0_mc_resume_dpg_mode(struct amdgpu_device *adev)
{
- uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+ uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[0]->size + 4);
uint32_t offset;
/* cache window 0: fw */
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
index 18794394c5a05..e357d8cf0c015 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
@@ -330,7 +330,7 @@ static int vcn_v2_0_resume(void *handle)
*/
static void vcn_v2_0_mc_resume(struct amdgpu_device *adev)
{
- uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+ uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[0]->size + 4);
uint32_t offset;
if (amdgpu_sriov_vf(adev))
@@ -386,7 +386,7 @@ static void vcn_v2_0_mc_resume(struct amdgpu_device *adev)
static void vcn_v2_0_mc_resume_dpg_mode(struct amdgpu_device *adev, bool indirect)
{
- uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+ uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[0]->size + 4);
uint32_t offset;
/* cache window 0: fw */
@@ -1878,7 +1878,7 @@ static int vcn_v2_0_start_sriov(struct amdgpu_device *adev)
init_table += header->vcn_table_offset;
- size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+ size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[0]->size + 4);
MMSCH_V2_0_INSERT_DIRECT_RD_MOD_WT(
SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS),
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index aba403d718065..1cd8a94b0fbc2 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -414,13 +414,15 @@ static int vcn_v2_5_resume(void *handle)
*/
static void vcn_v2_5_mc_resume(struct amdgpu_device *adev)
{
- uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+ uint32_t size;
uint32_t offset;
int i;
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;
+
+ size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[i]->size + 4);
/* cache window 0: fw */
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
@@ -469,7 +471,7 @@ static void vcn_v2_5_mc_resume(struct amdgpu_device *adev)
static void vcn_v2_5_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
{
- uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+ uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[inst_idx]->size + 4);
uint32_t offset;
/* cache window 0: fw */
@@ -1240,7 +1242,7 @@ static int vcn_v2_5_sriov_start(struct amdgpu_device *adev)
SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS),
~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
- size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+ size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[i]->size + 4);
/* mc resume*/
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
MMSCH_V1_0_INSERT_DIRECT_WT(
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index e02af4de521c6..8f82fb887e9c2 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -449,7 +449,7 @@ static int vcn_v3_0_resume(void *handle)
*/
static void vcn_v3_0_mc_resume(struct amdgpu_device *adev, int inst)
{
- uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+ uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[inst]->size + 4);
uint32_t offset;
/* cache window 0: fw */
@@ -499,7 +499,7 @@ static void vcn_v3_0_mc_resume(struct amdgpu_device *adev, int inst)
static void vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
{
- uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+ uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[inst_idx]->size + 4);
uint32_t offset;
/* cache window 0: fw */
@@ -1332,7 +1332,7 @@ static int vcn_v3_0_start_sriov(struct amdgpu_device *adev)
mmUVD_STATUS),
~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
- cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+ cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[i]->size + 4);
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
index 8ab01ae919d2e..832d15f7b5f61 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -382,7 +382,7 @@ static void vcn_v4_0_mc_resume(struct amdgpu_device *adev, int inst)
uint32_t offset, size;
const struct common_firmware_header *hdr;
- hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
+ hdr = (const struct common_firmware_header *)adev->vcn.fw[inst]->data;
size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
/* cache window 0: fw */
@@ -442,7 +442,7 @@ static void vcn_v4_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx
{
uint32_t offset, size;
const struct common_firmware_header *hdr;
- hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
+ hdr = (const struct common_firmware_header *)adev->vcn.fw[inst_idx]->data;
size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
/* cache window 0: fw */
@@ -1289,7 +1289,7 @@ static int vcn_v4_0_start_sriov(struct amdgpu_device *adev)
regUVD_STATUS),
~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
- cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+ cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[i]->size + 4);
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
index 810bbfccd6f2e..203fa988322bd 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
@@ -332,7 +332,7 @@ static void vcn_v4_0_3_mc_resume(struct amdgpu_device *adev, int inst_idx)
uint32_t offset, size, vcn_inst;
const struct common_firmware_header *hdr;
- hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
+ hdr = (const struct common_firmware_header *)adev->vcn.fw[inst_idx]->data;
size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
vcn_inst = GET_INST(VCN, inst_idx);
@@ -407,7 +407,7 @@ static void vcn_v4_0_3_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_i
uint32_t offset, size;
const struct common_firmware_header *hdr;
- hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
+ hdr = (const struct common_firmware_header *)adev->vcn.fw[inst_idx]->data;
size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
/* cache window 0: fw */
@@ -894,7 +894,7 @@ static int vcn_v4_0_3_start_sriov(struct amdgpu_device *adev)
MMSCH_V4_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCN, 0, regUVD_STATUS),
~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
- cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+ cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[i]->size + 4);
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, 0,
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
index 0468955338b75..501e53e69f2a0 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
@@ -45,7 +45,7 @@
#define mmUVD_DPG_LMA_DATA_BASE_IDX regUVD_DPG_LMA_DATA_BASE_IDX
#define VCN_VID_SOC_ADDRESS_2_0 0x1fb00
-#define VCN1_VID_SOC_ADDRESS_3_0 0x48300
+#define VCN1_VID_SOC_ADDRESS_3_0 (0x48300 + 0x38000)
#define VCN_HARVEST_MMSCH 0
@@ -329,7 +329,7 @@ static void vcn_v4_0_5_mc_resume(struct amdgpu_device *adev, int inst)
uint32_t offset, size;
const struct common_firmware_header *hdr;
- hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
+ hdr = (const struct common_firmware_header *)adev->vcn.fw[inst]->data;
size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
/* cache window 0: fw */
@@ -390,7 +390,7 @@ static void vcn_v4_0_5_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_i
uint32_t offset, size;
const struct common_firmware_header *hdr;
- hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
+ hdr = (const struct common_firmware_header *)adev->vcn.fw[inst_idx]->data;
size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
/* cache window 0: fw */
@@ -486,7 +486,8 @@ static void vcn_v4_0_5_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_i
/* VCN global tiling registers */
WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
- VCN, 0, regUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
+ VCN, inst_idx, regUVD_GFX10_ADDR_CONFIG),
+ adev->gfx.config.gb_addr_config, 0, indirect);
}
/**
@@ -911,7 +912,6 @@ static int vcn_v4_0_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, b
VCN, inst_idx, regUVD_MASTINT_EN),
UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
-
if (indirect)
amdgpu_vcn_psp_update_sram(adev, inst_idx, 0);
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
index d6ee9958ba5fc..bc60c554eb329 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
@@ -290,7 +290,7 @@ static void vcn_v5_0_0_mc_resume(struct amdgpu_device *adev, int inst)
uint32_t offset, size;
const struct common_firmware_header *hdr;
- hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
+ hdr = (const struct common_firmware_header *)adev->vcn.fw[inst]->data;
size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
/* cache window 0: fw */
@@ -351,7 +351,7 @@ static void vcn_v5_0_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_i
uint32_t offset, size;
const struct common_firmware_header *hdr;
- hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
+ hdr = (const struct common_firmware_header *)adev->vcn.fw[inst_idx]->data;
size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
/* cache window 0: fw */
--
GitLab
From 6c6064cbe58b43533e3451ad6a8ba9736c109ac3 Mon Sep 17 00:00:00 2001
From: Philip Yang <Philip.Yang@amd.com>
Date: Mon, 11 Mar 2024 18:07:34 -0400
Subject: [PATCH 1391/2686] drm/amdgpu: amdgpu_ttm_gart_bind set gtt bound flag
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Otherwise after the GTT bo is released, the GTT and gart space is freed
but amdgpu_ttm_backend_unbind will not clear the gart page table entry
and leave valid mapping entry pointing to the stale system page. Then
if GPU access the gart address mistakely, it will read undefined value
instead page fault, harder to debug and reproduce the real issue.
Cc: stable@vger.kernel.org
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 8722beba494e5..fc418e670fdae 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -864,6 +864,7 @@ static void amdgpu_ttm_gart_bind(struct amdgpu_device *adev,
amdgpu_gart_bind(adev, gtt->offset, ttm->num_pages,
gtt->ttm.dma_address, flags);
}
+ gtt->bound = true;
}
/*
--
GitLab
From f679fd6057fbf5ab34aaee28d58b7f81af0cbf48 Mon Sep 17 00:00:00 2001
From: Ahmad Rehman <Ahmad.Rehman@amd.com>
Date: Mon, 4 Mar 2024 15:56:00 -0600
Subject: [PATCH 1392/2686] drm/amdgpu: Init zone device and drm client after
mode-1 reset on reload
In passthrough environment, when amdgpu is reloaded after unload, mode-1
is triggered after initializing the necessary IPs, That init does not
include KFD, and KFD init waits until the reset is completed. KFD init
is called in the reset handler, but in this case, the zone device and
drm client is not initialized, causing app to create kernel panic.
v2: Removing the init KFD condition from amdgpu_amdkfd_drm_client_create.
As the previous version has the potential of creating DRM client twice.
v3: v2 patch results in SDMA engine hung as DRM open causes VM clear to SDMA
before SDMA init. Adding the condition to in drm client creation, on top of v1,
to guard against drm client creation call multiple times.
Signed-off-by: Ahmad Rehman <Ahmad.Rehman@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 5 ++++-
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index f5f2945711be0..35dd6effa9a34 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -146,7 +146,7 @@ int amdgpu_amdkfd_drm_client_create(struct amdgpu_device *adev)
{
int ret;
- if (!adev->kfd.init_complete)
+ if (!adev->kfd.init_complete || adev->kfd.client.dev)
return 0;
ret = drm_client_init(&adev->ddev, &adev->kfd.client, "kfd",
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 15b188aaf6818..80b9642f2bc4f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -2479,8 +2479,11 @@ static void amdgpu_drv_delayed_reset_work_handler(struct work_struct *work)
}
for (i = 0; i < mgpu_info.num_dgpu; i++) {
adev = mgpu_info.gpu_ins[i].adev;
- if (!adev->kfd.init_complete)
+ if (!adev->kfd.init_complete) {
+ kgd2kfd_init_zone_device(adev);
amdgpu_amdkfd_device_init(adev);
+ amdgpu_amdkfd_drm_client_create(adev);
+ }
amdgpu_ttm_set_buffer_funcs_status(adev, true);
}
}
--
GitLab
From 56b30ac84c517eefcfd5384339fee5d8a675f811 Mon Sep 17 00:00:00 2001
From: ZhenGuo Yin <zhenguo.yin@amd.com>
Date: Wed, 6 Mar 2024 17:59:29 +0800
Subject: [PATCH 1393/2686] drm/amdgpu: Skip access PF-only registers on
gfx10/gfxhub2_1 under SRIOV
[Why]
RLCG interface returns "out-of-range" error under SRIOV VF when accessing
PF-only registers.
[How]
Skip access PF-only registers on gfx10/gfxhub2_1 under SRIOV.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: ZhenGuo Yin <zhenguo.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 8 ++++++--
drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c | 3 +++
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 904b9ff5ead2f..f90905ef32c76 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -3657,6 +3657,9 @@ static void gfx_v10_0_init_spm_golden_registers(struct amdgpu_device *adev)
static void gfx_v10_0_init_golden_registers(struct amdgpu_device *adev)
{
+ if (amdgpu_sriov_vf(adev))
+ return;
+
switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
case IP_VERSION(10, 1, 10):
soc15_program_register_sequence(adev,
@@ -4982,7 +4985,8 @@ static void gfx_v10_0_constants_init(struct amdgpu_device *adev)
u32 tmp;
int i;
- WREG32_FIELD15(GC, 0, GRBM_CNTL, READ_TIMEOUT, 0xff);
+ if (!amdgpu_sriov_vf(adev))
+ WREG32_FIELD15(GC, 0, GRBM_CNTL, READ_TIMEOUT, 0xff);
gfx_v10_0_setup_rb(adev);
gfx_v10_0_get_cu_info(adev, &adev->gfx.cu_info);
@@ -7163,7 +7167,7 @@ static int gfx_v10_0_hw_init(void *handle)
if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(10, 3, 0))
gfx_v10_3_program_pbb_mode(adev);
- if (amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(10, 3, 0))
+ if (amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(10, 3, 0) && !amdgpu_sriov_vf(adev))
gfx_v10_3_set_power_brake_sequence(adev);
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c
index cd0e8a321e460..17509f32f61a4 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c
@@ -155,6 +155,9 @@ static void gfxhub_v2_1_init_system_aperture_regs(struct amdgpu_device *adev)
{
uint64_t value;
+ if (amdgpu_sriov_vf(adev))
+ return;
+
/* Program the AGP BAR */
WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BASE, 0);
WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
--
GitLab
From 08ae9ef829b8055c2fdc8cfee37510c1f4721a07 Mon Sep 17 00:00:00 2001
From: Ma Jun <Jun.Ma2@amd.com>
Date: Mon, 11 Mar 2024 14:38:34 +0800
Subject: [PATCH 1394/2686] drm/amdgpu/pm: Fix NULL pointer dereference when
get power limit
Because powerplay_table initialization is skipped under
sriov case, We check and set default lower and upper OD
value if powerplay_table is NULL.
Fixes: 7968e9748fbb ("drm/amdgpu/pm: Fix the power1_min_cap value")
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reported-by: Yin Zhenguo <zhenguo.yin@amd.com>
Suggested-by: Lazar Lijo <lijo.lazar@amd.com>
Suggested-by: Alex Deucher <Alexander.Deucher@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
.../gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c | 14 ++++++++------
drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | 16 +++++++++-------
.../drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 14 ++++++++------
.../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 14 ++++++++------
.../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c | 14 ++++++++------
5 files changed, 41 insertions(+), 31 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
index 1d96eb274d72d..a406372e79d86 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
@@ -1286,7 +1286,7 @@ static int arcturus_get_power_limit(struct smu_context *smu,
struct smu_11_0_powerplay_table *powerplay_table =
(struct smu_11_0_powerplay_table *)smu->smu_table.power_play_table;
PPTable_t *pptable = smu->smu_table.driver_pptable;
- uint32_t power_limit, od_percent_upper, od_percent_lower;
+ uint32_t power_limit, od_percent_upper = 0, od_percent_lower = 0;
if (smu_v11_0_get_current_power_limit(smu, &power_limit)) {
/* the last hope to figure out the ppt limit */
@@ -1303,12 +1303,14 @@ static int arcturus_get_power_limit(struct smu_context *smu,
if (default_power_limit)
*default_power_limit = power_limit;
- if (smu->od_enabled)
- od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
- else
- od_percent_upper = 0;
+ if (powerplay_table) {
+ if (smu->od_enabled)
+ od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+ else
+ od_percent_upper = 0;
- od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+ }
dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
od_percent_upper, od_percent_lower, power_limit);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
index ed189a3878ebe..65bba5fc2335e 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
@@ -2339,7 +2339,7 @@ static int navi10_get_power_limit(struct smu_context *smu,
(struct smu_11_0_powerplay_table *)smu->smu_table.power_play_table;
struct smu_11_0_overdrive_table *od_settings = smu->od_settings;
PPTable_t *pptable = smu->smu_table.driver_pptable;
- uint32_t power_limit, od_percent_upper, od_percent_lower;
+ uint32_t power_limit, od_percent_upper = 0, od_percent_lower = 0;
if (smu_v11_0_get_current_power_limit(smu, &power_limit)) {
/* the last hope to figure out the ppt limit */
@@ -2356,13 +2356,15 @@ static int navi10_get_power_limit(struct smu_context *smu,
if (default_power_limit)
*default_power_limit = power_limit;
- if (smu->od_enabled &&
- navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_POWER_LIMIT))
- od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
- else
- od_percent_upper = 0;
+ if (powerplay_table) {
+ if (smu->od_enabled &&
+ navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_POWER_LIMIT))
+ od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+ else
+ od_percent_upper = 0;
- od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+ }
dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
od_percent_upper, od_percent_lower, power_limit);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index e2ad2b972ab0b..395718b48131b 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -625,7 +625,7 @@ static int sienna_cichlid_get_power_limit(struct smu_context *smu,
{
struct smu_11_0_7_powerplay_table *powerplay_table =
(struct smu_11_0_7_powerplay_table *)smu->smu_table.power_play_table;
- uint32_t power_limit, od_percent_upper, od_percent_lower;
+ uint32_t power_limit, od_percent_upper = 0, od_percent_lower = 0;
uint16_t *table_member;
GET_PPTABLE_MEMBER(SocketPowerLimitAc, &table_member);
@@ -640,12 +640,14 @@ static int sienna_cichlid_get_power_limit(struct smu_context *smu,
if (default_power_limit)
*default_power_limit = power_limit;
- if (smu->od_enabled)
- od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
- else
- od_percent_upper = 0;
+ if (powerplay_table) {
+ if (smu->od_enabled)
+ od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
+ else
+ od_percent_upper = 0;
- od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
+ }
dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
od_percent_upper, od_percent_lower, power_limit);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index 9b80f18ea6c35..7873f024d4294 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -2356,7 +2356,7 @@ static int smu_v13_0_0_get_power_limit(struct smu_context *smu,
(struct smu_13_0_0_powerplay_table *)table_context->power_play_table;
PPTable_t *pptable = table_context->driver_pptable;
SkuTable_t *skutable = &pptable->SkuTable;
- uint32_t power_limit, od_percent_upper, od_percent_lower;
+ uint32_t power_limit, od_percent_upper = 0, od_percent_lower = 0;
uint32_t msg_limit = skutable->MsgLimits.Power[PPT_THROTTLER_PPT0][POWER_SOURCE_AC];
if (smu_v13_0_get_current_power_limit(smu, &power_limit))
@@ -2369,12 +2369,14 @@ static int smu_v13_0_0_get_power_limit(struct smu_context *smu,
if (default_power_limit)
*default_power_limit = power_limit;
- if (smu->od_enabled)
- od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]);
- else
- od_percent_upper = 0;
+ if (powerplay_table) {
+ if (smu->od_enabled)
+ od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]);
+ else
+ od_percent_upper = 0;
- od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]);
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]);
+ }
dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
od_percent_upper, od_percent_lower, power_limit);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
index 3dc7b60cb0754..8abf0a772e6b0 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
@@ -2320,7 +2320,7 @@ static int smu_v13_0_7_get_power_limit(struct smu_context *smu,
(struct smu_13_0_7_powerplay_table *)table_context->power_play_table;
PPTable_t *pptable = table_context->driver_pptable;
SkuTable_t *skutable = &pptable->SkuTable;
- uint32_t power_limit, od_percent_upper, od_percent_lower;
+ uint32_t power_limit, od_percent_upper = 0, od_percent_lower = 0;
uint32_t msg_limit = skutable->MsgLimits.Power[PPT_THROTTLER_PPT0][POWER_SOURCE_AC];
if (smu_v13_0_get_current_power_limit(smu, &power_limit))
@@ -2333,12 +2333,14 @@ static int smu_v13_0_7_get_power_limit(struct smu_context *smu,
if (default_power_limit)
*default_power_limit = power_limit;
- if (smu->od_enabled)
- od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]);
- else
- od_percent_upper = 0;
+ if (powerplay_table) {
+ if (smu->od_enabled)
+ od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]);
+ else
+ od_percent_upper = 0;
- od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]);
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]);
+ }
dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
od_percent_upper, od_percent_lower, power_limit);
--
GitLab
From e17718251addb31e1771fd28735ec410e6ca650a Mon Sep 17 00:00:00 2001
From: Ma Jun <Jun.Ma2@amd.com>
Date: Mon, 11 Mar 2024 15:23:34 +0800
Subject: [PATCH 1395/2686] drm/amdgpu/pm: Check the validity of overdiver
power limit
Check the validity of overdriver power limit before using it.
Fixes: 7968e9748fbb ("drm/amdgpu/pm: Fix the power1_min_cap value")
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Suggested-by: Lazar Lijo <lijo.lazar@amd.com>
Suggested-by: Alex Deucher <Alexander.Deucher@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
.../gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c | 11 +++++----
.../gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | 9 ++++----
.../amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 23 +++++++++++--------
.../drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 10 ++++----
.../drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c | 10 ++++----
5 files changed, 37 insertions(+), 26 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
index a406372e79d86..40ba7227cca58 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
@@ -1285,6 +1285,7 @@ static int arcturus_get_power_limit(struct smu_context *smu,
{
struct smu_11_0_powerplay_table *powerplay_table =
(struct smu_11_0_powerplay_table *)smu->smu_table.power_play_table;
+ struct smu_11_0_overdrive_table *od_settings = smu->od_settings;
PPTable_t *pptable = smu->smu_table.driver_pptable;
uint32_t power_limit, od_percent_upper = 0, od_percent_lower = 0;
@@ -1304,12 +1305,14 @@ static int arcturus_get_power_limit(struct smu_context *smu,
*default_power_limit = power_limit;
if (powerplay_table) {
- if (smu->od_enabled)
+ if (smu->od_enabled &&
+ od_settings->cap[SMU_11_0_ODCAP_POWER_LIMIT]) {
od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
- else
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+ } else if (od_settings->cap[SMU_11_0_ODCAP_POWER_LIMIT]) {
od_percent_upper = 0;
-
- od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+ }
}
dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
index 65bba5fc2335e..836b1df799286 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
@@ -2358,12 +2358,13 @@ static int navi10_get_power_limit(struct smu_context *smu,
if (powerplay_table) {
if (smu->od_enabled &&
- navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_POWER_LIMIT))
+ navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_POWER_LIMIT)) {
od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
- else
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+ } else if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_POWER_LIMIT)) {
od_percent_upper = 0;
-
- od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+ }
}
dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index 395718b48131b..1f18b61884f3f 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -617,6 +617,12 @@ static uint32_t sienna_cichlid_get_throttler_status_locked(struct smu_context *s
return throttler_status;
}
+static bool sienna_cichlid_is_od_feature_supported(struct smu_11_0_7_overdrive_table *od_table,
+ enum SMU_11_0_7_ODFEATURE_CAP cap)
+{
+ return od_table->cap[cap];
+}
+
static int sienna_cichlid_get_power_limit(struct smu_context *smu,
uint32_t *current_power_limit,
uint32_t *default_power_limit,
@@ -625,6 +631,7 @@ static int sienna_cichlid_get_power_limit(struct smu_context *smu,
{
struct smu_11_0_7_powerplay_table *powerplay_table =
(struct smu_11_0_7_powerplay_table *)smu->smu_table.power_play_table;
+ struct smu_11_0_7_overdrive_table *od_settings = smu->od_settings;
uint32_t power_limit, od_percent_upper = 0, od_percent_lower = 0;
uint16_t *table_member;
@@ -641,12 +648,14 @@ static int sienna_cichlid_get_power_limit(struct smu_context *smu,
*default_power_limit = power_limit;
if (powerplay_table) {
- if (smu->od_enabled)
+ if (smu->od_enabled &&
+ sienna_cichlid_is_od_feature_supported(od_settings, SMU_11_0_7_ODCAP_POWER_LIMIT)) {
od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
- else
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
+ } else if ((sienna_cichlid_is_od_feature_supported(od_settings, SMU_11_0_7_ODCAP_POWER_LIMIT))) {
od_percent_upper = 0;
-
- od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
+ }
}
dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
@@ -1252,12 +1261,6 @@ static bool sienna_cichlid_is_support_fine_grained_dpm(struct smu_context *smu,
return dpm_desc->SnapToDiscrete == 0;
}
-static bool sienna_cichlid_is_od_feature_supported(struct smu_11_0_7_overdrive_table *od_table,
- enum SMU_11_0_7_ODFEATURE_CAP cap)
-{
- return od_table->cap[cap];
-}
-
static void sienna_cichlid_get_od_setting_range(struct smu_11_0_7_overdrive_table *od_table,
enum SMU_11_0_7_ODSETTING_ID setting,
uint32_t *min, uint32_t *max)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index 7873f024d4294..9c03296f92cdd 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -2370,12 +2370,14 @@ static int smu_v13_0_0_get_power_limit(struct smu_context *smu,
*default_power_limit = power_limit;
if (powerplay_table) {
- if (smu->od_enabled)
+ if (smu->od_enabled &&
+ smu_v13_0_0_is_od_feature_supported(smu, PP_OD_FEATURE_PPT_BIT)) {
od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]);
- else
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]);
+ } else if (smu_v13_0_0_is_od_feature_supported(smu, PP_OD_FEATURE_PPT_BIT)) {
od_percent_upper = 0;
-
- od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]);
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]);
+ }
}
dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
index 8abf0a772e6b0..7318964f1f148 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
@@ -2334,12 +2334,14 @@ static int smu_v13_0_7_get_power_limit(struct smu_context *smu,
*default_power_limit = power_limit;
if (powerplay_table) {
- if (smu->od_enabled)
+ if (smu->od_enabled &&
+ (smu_v13_0_7_is_od_feature_supported(smu, PP_OD_FEATURE_PPT_BIT))) {
od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]);
- else
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]);
+ } else if (smu_v13_0_7_is_od_feature_supported(smu, PP_OD_FEATURE_PPT_BIT)) {
od_percent_upper = 0;
-
- od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]);
+ od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]);
+ }
}
dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
--
GitLab
From 43bda3e782fb54dd13e0b9f2c0f77940b84a0a0b Mon Sep 17 00:00:00 2001
From: Prike Liang <Prike.Liang@amd.com>
Date: Wed, 13 Mar 2024 16:11:26 +0800
Subject: [PATCH 1396/2686] drm/amdgpu: correct the KGQ fallback message
Fix the KGQ fallback function name, as this will
help differentiate the failure in the KCQ enablement.
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index f8b48fd93108c..55d5508987ffe 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -687,7 +687,7 @@ int amdgpu_gfx_enable_kgq(struct amdgpu_device *adev, int xcc_id)
r = amdgpu_ring_test_helper(kiq_ring);
spin_unlock(&kiq->ring_lock);
if (r)
- DRM_ERROR("KCQ enable failed\n");
+ DRM_ERROR("KGQ enable failed\n");
return r;
}
--
GitLab
From 9b3fec307f50ae62bd20281c277e9510c631000b Mon Sep 17 00:00:00 2001
From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Fri, 15 Mar 2024 15:10:05 +0800
Subject: [PATCH 1397/2686] drm/amdgpu: Bypass display ta if display hw is not
available
Do not load/invoke display TA if display hardware
is not available.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 3c2b1413058bb..94b310fdb719d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -1830,6 +1830,10 @@ static int psp_hdcp_initialize(struct psp_context *psp)
if (amdgpu_sriov_vf(psp->adev))
return 0;
+ /* bypass hdcp initialization if dmu is harvested */
+ if (!amdgpu_device_has_display_hardware(psp->adev))
+ return 0;
+
if (!psp->hdcp_context.context.bin_desc.size_bytes ||
!psp->hdcp_context.context.bin_desc.start_addr) {
dev_info(psp->adev->dev, "HDCP: optional hdcp ta ucode is not available\n");
@@ -1862,6 +1866,9 @@ int psp_hdcp_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
if (amdgpu_sriov_vf(psp->adev))
return 0;
+ if (!psp->hdcp_context.context.initialized)
+ return 0;
+
return psp_ta_invoke(psp, ta_cmd_id, &psp->hdcp_context.context);
}
@@ -1897,6 +1904,10 @@ static int psp_dtm_initialize(struct psp_context *psp)
if (amdgpu_sriov_vf(psp->adev))
return 0;
+ /* bypass dtm initialization if dmu is harvested */
+ if (!amdgpu_device_has_display_hardware(psp->adev))
+ return 0;
+
if (!psp->dtm_context.context.bin_desc.size_bytes ||
!psp->dtm_context.context.bin_desc.start_addr) {
dev_info(psp->adev->dev, "DTM: optional dtm ta ucode is not available\n");
@@ -1929,6 +1940,9 @@ int psp_dtm_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
if (amdgpu_sriov_vf(psp->adev))
return 0;
+ if (!psp->dtm_context.context.initialized)
+ return 0;
+
return psp_ta_invoke(psp, ta_cmd_id, &psp->dtm_context.context);
}
@@ -2063,6 +2077,10 @@ static int psp_securedisplay_initialize(struct psp_context *psp)
if (amdgpu_sriov_vf(psp->adev))
return 0;
+ /* bypass securedisplay initialization if dmu is harvested */
+ if (!amdgpu_device_has_display_hardware(psp->adev))
+ return 0;
+
if (!psp->securedisplay_context.context.bin_desc.size_bytes ||
!psp->securedisplay_context.context.bin_desc.start_addr) {
dev_info(psp->adev->dev, "SECUREDISPLAY: securedisplay ta ucode is not available\n");
--
GitLab
From 26fbcb3da77efc77bd7327b7916338d773cca484 Mon Sep 17 00:00:00 2001
From: Sohaib Nadeem <sohaib.nadeem@amd.com>
Date: Wed, 14 Feb 2024 13:51:16 -0500
Subject: [PATCH 1398/2686] drm/amd/display: Override min required DCFCLK in
dml1_validate
[WHY]:
Increasing min DCFCLK addresses underflow issues that occur when phantom
pipe is turned on for some Sub-Viewport configs
[HOW]:
dcn32_override_min_req_dcfclk is added to override DCFCLK value in
dml1_validate when subviewport is being used.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Sohaib Nadeem <sohaib.nadeem@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c | 6 ++++++
.../gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c | 1 +
.../gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.h | 3 +++
3 files changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
index 87760600e154d..f98def6c8c2d2 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
@@ -782,3 +782,9 @@ void dcn32_update_dml_pipes_odm_policy_based_on_context(struct dc *dc, struct dc
pipe_cnt++;
}
}
+
+void dcn32_override_min_req_dcfclk(struct dc *dc, struct dc_state *context)
+{
+ if (dcn32_subvp_in_use(dc, context) && context->bw_ctx.bw.dcn.clk.dcfclk_khz <= MIN_SUBVP_DCFCLK_KHZ)
+ context->bw_ctx.bw.dcn.clk.dcfclk_khz = MIN_SUBVP_DCFCLK_KHZ;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
index 3f3951f3ba983..f844f57ecc49b 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
@@ -1771,6 +1771,7 @@ static bool dml1_validate(struct dc *dc, struct dc_state *context, bool fast_val
dc->res_pool->funcs->calculate_wm_and_dlg(dc, context, pipes, pipe_cnt, vlevel);
dcn32_override_min_req_memclk(dc, context);
+ dcn32_override_min_req_dcfclk(dc, context);
BW_VAL_TRACE_END_WATERMARKS();
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.h b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.h
index 0c87b0fabba7d..2258c5c7212d8 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.h
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.h
@@ -42,6 +42,7 @@
#define SUBVP_ACTIVE_MARGIN_LIST_LEN 2
#define DCN3_2_MAX_SUBVP_PIXEL_RATE_MHZ 1800
#define DCN3_2_VMIN_DISPCLK_HZ 717000000
+#define MIN_SUBVP_DCFCLK_KHZ 400000
#define TO_DCN32_RES_POOL(pool)\
container_of(pool, struct dcn32_resource_pool, base)
@@ -181,6 +182,8 @@ bool dcn32_subvp_vblank_admissable(struct dc *dc, struct dc_state *context, int
void dcn32_update_dml_pipes_odm_policy_based_on_context(struct dc *dc, struct dc_state *context, display_e2e_pipe_params_st *pipes);
+void dcn32_override_min_req_dcfclk(struct dc *dc, struct dc_state *context);
+
/* definitions for run time init of reg offsets */
/* CLK SRC */
--
GitLab
From 7fb19d9510937121a1f285894cffd30bc96572e3 Mon Sep 17 00:00:00 2001
From: Josip Pavic <josip.pavic@amd.com>
Date: Fri, 9 Feb 2024 16:05:18 -0500
Subject: [PATCH 1399/2686] drm/amd/display: Allow dirty rects to be sent to
dmub when abm is active
[WHY]
It's beneficial for ABM to know when new frame data are available.
[HOW]
Add new condition to allow dirty rects to be sent to DMUB when ABM is
active. ABM will use this as a signal that a new frame has arrived.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Anthony Koo <anthony.koo@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Josip Pavic <josip.pavic@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 5211c1c0f3c0c..613d09c42f3b9 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3270,6 +3270,9 @@ static bool dc_dmub_should_send_dirty_rect_cmd(struct dc *dc, struct dc_stream_s
if (stream->link->replay_settings.config.replay_supported)
return true;
+ if (stream->ctx->dce_version >= DCN_VERSION_3_5 && stream->abm_level)
+ return true;
+
return false;
}
--
GitLab
From 04a59c54757567f19dff4571ff7338476ec0f604 Mon Sep 17 00:00:00 2001
From: Ryan Lin <tsung-hua.lin@amd.com>
Date: Wed, 21 Feb 2024 19:10:27 +0800
Subject: [PATCH 1400/2686] drm/amd/display: Add monitor patch for specific eDP
[WHY]
Some eDP panels' ext caps don't write initial values. The value of
dpcd_addr (0x317) can be random and the backlight control interface
will be incorrect.
[HOW]
Add new panel patches to remove sink ext caps.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.5.x
Cc: Tsung-hua Lin <tsung-hua.lin@amd.com>
Cc: Chris Chi <moukong.chi@amd.com>
Reviewed-by: Wayne Lin <wayne.lin@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Ryan Lin <tsung-hua.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index 85b7f58a7f35a..c27063305a134 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -67,6 +67,8 @@ static void apply_edid_quirks(struct edid *edid, struct dc_edid_caps *edid_caps)
/* Workaround for some monitors that do not clear DPCD 0x317 if FreeSync is unsupported */
case drm_edid_encode_panel_id('A', 'U', 'O', 0xA7AB):
case drm_edid_encode_panel_id('A', 'U', 'O', 0xE69B):
+ case drm_edid_encode_panel_id('B', 'O', 'E', 0x092A):
+ case drm_edid_encode_panel_id('L', 'G', 'D', 0x06D1):
DRM_DEBUG_DRIVER("Clearing DPCD 0x317 on monitor with panel id %X\n", panel_id);
edid_caps->panel_patch.remove_sink_ext_caps = true;
break;
@@ -120,6 +122,8 @@ enum dc_edid_status dm_helpers_parse_edid_caps(
edid_caps->edid_hdmi = connector->display_info.is_hdmi;
+ apply_edid_quirks(edid_buf, edid_caps);
+
sad_count = drm_edid_to_sad((struct edid *) edid->raw_edid, &sads);
if (sad_count <= 0)
return result;
@@ -146,8 +150,6 @@ enum dc_edid_status dm_helpers_parse_edid_caps(
else
edid_caps->speaker_flags = DEFAULT_SPEAKER_LOCATION;
- apply_edid_quirks(edid_buf, edid_caps);
-
kfree(sads);
kfree(sadb);
--
GitLab
From 4f5b8d78ca43fcc695ba16c83ebfabbfe09506d6 Mon Sep 17 00:00:00 2001
From: Dillon Varone <dillon.varone@amd.com>
Date: Wed, 21 Feb 2024 13:21:20 -0500
Subject: [PATCH 1401/2686] drm/amd/display: Init DPPCLK from SMU on dcn32
[WHY & HOW]
DPPCLK ranges should be obtained from the SMU when available.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c | 14 ++++++++++
.../drm/amd/display/dc/dml2/dml2_wrapper.c | 28 +++++++++++++------
.../drm/amd/display/dc/dml2/dml2_wrapper.h | 3 ++
.../dc/resource/dcn32/dcn32_resource.c | 2 ++
.../dc/resource/dcn321/dcn321_resource.c | 2 ++
5 files changed, 41 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
index 668f05c8654ef..bec252e1dd27a 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
@@ -216,6 +216,16 @@ void dcn32_init_clocks(struct clk_mgr *clk_mgr_base)
if (clk_mgr_base->bw_params->dc_mode_limit.dispclk_mhz > 1950)
clk_mgr_base->bw_params->dc_mode_limit.dispclk_mhz = 1950;
+ /* DPPCLK */
+ dcn32_init_single_clock(clk_mgr, PPCLK_DPPCLK,
+ &clk_mgr_base->bw_params->clk_table.entries[0].dppclk_mhz,
+ &num_entries_per_clk->num_dppclk_levels);
+ num_levels = num_entries_per_clk->num_dppclk_levels;
+ clk_mgr_base->bw_params->dc_mode_limit.dppclk_mhz = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_DPPCLK);
+ //HW recommends limit of 1950 MHz in display clock for all DCN3.2.x
+ if (clk_mgr_base->bw_params->dc_mode_limit.dppclk_mhz > 1950)
+ clk_mgr_base->bw_params->dc_mode_limit.dppclk_mhz = 1950;
+
if (num_entries_per_clk->num_dcfclk_levels &&
num_entries_per_clk->num_dtbclk_levels &&
num_entries_per_clk->num_dispclk_levels)
@@ -240,6 +250,10 @@ void dcn32_init_clocks(struct clk_mgr *clk_mgr_base)
= khz_to_mhz_ceil(clk_mgr_base->ctx->dc->debug.min_dpp_clk_khz);
}
+ for (i = 0; i < num_levels; i++)
+ if (clk_mgr_base->bw_params->clk_table.entries[i].dppclk_mhz > 1950)
+ clk_mgr_base->bw_params->clk_table.entries[i].dppclk_mhz = 1950;
+
/* Get UCLK, update bounding box */
clk_mgr_base->funcs->get_memclk_states_from_smu(clk_mgr_base);
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c
index 2a58a7687bdb5..72cca367062e1 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c
@@ -703,13 +703,8 @@ static inline struct dml2_context *dml2_allocate_memory(void)
return (struct dml2_context *) kzalloc(sizeof(struct dml2_context), GFP_KERNEL);
}
-bool dml2_create(const struct dc *in_dc, const struct dml2_configuration_options *config, struct dml2_context **dml2)
+static void dml2_init(const struct dc *in_dc, const struct dml2_configuration_options *config, struct dml2_context **dml2)
{
- // Allocate Mode Lib Ctx
- *dml2 = dml2_allocate_memory();
-
- if (!(*dml2))
- return false;
// Store config options
(*dml2)->config = *config;
@@ -737,9 +732,18 @@ bool dml2_create(const struct dc *in_dc, const struct dml2_configuration_options
initialize_dml2_soc_bbox(*dml2, in_dc, &(*dml2)->v20.dml_core_ctx.soc);
initialize_dml2_soc_states(*dml2, in_dc, &(*dml2)->v20.dml_core_ctx.soc, &(*dml2)->v20.dml_core_ctx.states);
+}
+
+bool dml2_create(const struct dc *in_dc, const struct dml2_configuration_options *config, struct dml2_context **dml2)
+{
+ // Allocate Mode Lib Ctx
+ *dml2 = dml2_allocate_memory();
+
+ if (!(*dml2))
+ return false;
+
+ dml2_init(in_dc, config, dml2);
- /*Initialize DML20 instance which calls dml2_core_create, and core_dcn3_populate_informative*/
- //dml2_initialize_instance(&(*dml_ctx)->v20.dml_init);
return true;
}
@@ -779,3 +783,11 @@ bool dml2_create_copy(struct dml2_context **dst_dml2,
return true;
}
+
+void dml2_reinit(const struct dc *in_dc,
+ const struct dml2_configuration_options *config,
+ struct dml2_context **dml2)
+{
+
+ dml2_init(in_dc, config, dml2);
+}
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h
index ee0eb184eb6d7..cc662d682fd4d 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h
@@ -214,6 +214,9 @@ void dml2_copy(struct dml2_context *dst_dml2,
struct dml2_context *src_dml2);
bool dml2_create_copy(struct dml2_context **dst_dml2,
struct dml2_context *src_dml2);
+void dml2_reinit(const struct dc *in_dc,
+ const struct dml2_configuration_options *config,
+ struct dml2_context **dml2);
/*
* dml2_validate - Determines if a display configuration is supported or not.
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
index f844f57ecc49b..ce1754cc1f463 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
@@ -1931,6 +1931,8 @@ static void dcn32_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw
{
DC_FP_START();
dcn32_update_bw_bounding_box_fpu(dc, bw_params);
+ if (dc->debug.using_dml2 && dc->current_state && dc->current_state->bw_ctx.dml2)
+ dml2_reinit(dc, &dc->dml2_options, &dc->current_state->bw_ctx.dml2);
DC_FP_END();
}
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c
index b356fed1726d9..296a0a8e71459 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c
@@ -1581,6 +1581,8 @@ static void dcn321_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *b
{
DC_FP_START();
dcn321_update_bw_bounding_box_fpu(dc, bw_params);
+ if (dc->debug.using_dml2 && dc->current_state && dc->current_state->bw_ctx.dml2)
+ dml2_reinit(dc, &dc->dml2_options, &dc->current_state->bw_ctx.dml2);
DC_FP_END();
}
--
GitLab
From 86e9523fb0efce27095d3086473c739cce720d01 Mon Sep 17 00:00:00 2001
From: Wenjing Liu <wenjing.liu@amd.com>
Date: Wed, 21 Feb 2024 16:55:04 -0500
Subject: [PATCH 1402/2686] drm/amd/display: Update odm when ODM combine is
changed on an otg master pipe with no plane
[WHY]
When committing an update with ODM combine change when the plane is
removing or already removed, we fail to detect odm change in pipe
update flags. This has caused mismatch between new dc state and the
actual hardware state, because we missed odm programming.
[HOW]
- Detect odm change even for otg master pipe without a plane.
- Update odm config before calling program pipes for pipe with planes.
The commit also updates blank pattern programming when odm is changed
without plane. This is because number of OPP is changed when ODM
combine is changed. Blank pattern is per OPP so we will need to
reprogram OPP based on the new pipe topology.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../amd/display/dc/hwss/dcn20/dcn20_hwseq.c | 41 ++++++++++---------
.../amd/display/dc/hwss/dcn32/dcn32_hwseq.c | 7 ++++
2 files changed, 28 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
index c55d5155ecb9c..40098d9f70cbc 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
@@ -1498,6 +1498,11 @@ static void dcn20_detect_pipe_changes(struct dc_state *old_state,
return;
}
+ if (resource_is_pipe_type(new_pipe, OTG_MASTER) &&
+ resource_is_odm_topology_changed(new_pipe, old_pipe))
+ /* Detect odm changes */
+ new_pipe->update_flags.bits.odm = 1;
+
/* Exit on unchanged, unused pipe */
if (!old_pipe->plane_state && !new_pipe->plane_state)
return;
@@ -1551,10 +1556,6 @@ static void dcn20_detect_pipe_changes(struct dc_state *old_state,
/* Detect top pipe only changes */
if (resource_is_pipe_type(new_pipe, OTG_MASTER)) {
- /* Detect odm changes */
- if (resource_is_odm_topology_changed(new_pipe, old_pipe))
- new_pipe->update_flags.bits.odm = 1;
-
/* Detect global sync changes */
if (old_pipe->pipe_dlg_param.vready_offset != new_pipe->pipe_dlg_param.vready_offset
|| old_pipe->pipe_dlg_param.vstartup_start != new_pipe->pipe_dlg_param.vstartup_start
@@ -1999,19 +2000,20 @@ void dcn20_program_front_end_for_ctx(
DC_LOGGER_INIT(dc->ctx->logger);
unsigned int prev_hubp_count = 0;
unsigned int hubp_count = 0;
+ struct pipe_ctx *pipe;
if (resource_is_pipe_topology_changed(dc->current_state, context))
resource_log_pipe_topology_update(dc, context);
if (dc->hwss.program_triplebuffer != NULL && dc->debug.enable_tri_buf) {
for (i = 0; i < dc->res_pool->pipe_count; i++) {
- struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
+ pipe = &context->res_ctx.pipe_ctx[i];
- if (!pipe_ctx->top_pipe && !pipe_ctx->prev_odm_pipe && pipe_ctx->plane_state) {
- ASSERT(!pipe_ctx->plane_state->triplebuffer_flips);
+ if (!pipe->top_pipe && !pipe->prev_odm_pipe && pipe->plane_state) {
+ ASSERT(!pipe->plane_state->triplebuffer_flips);
/*turn off triple buffer for full update*/
dc->hwss.program_triplebuffer(
- dc, pipe_ctx, pipe_ctx->plane_state->triplebuffer_flips);
+ dc, pipe, pipe->plane_state->triplebuffer_flips);
}
}
}
@@ -2085,12 +2087,22 @@ void dcn20_program_front_end_for_ctx(
DC_LOG_DC("Reset mpcc for pipe %d\n", dc->current_state->res_ctx.pipe_ctx[i].pipe_idx);
}
+ /* update ODM for blanked OTG master pipes */
+ for (i = 0; i < dc->res_pool->pipe_count; i++) {
+ pipe = &context->res_ctx.pipe_ctx[i];
+ if (resource_is_pipe_type(pipe, OTG_MASTER) &&
+ !resource_is_pipe_type(pipe, DPP_PIPE) &&
+ pipe->update_flags.bits.odm &&
+ hws->funcs.update_odm)
+ hws->funcs.update_odm(dc, context, pipe);
+ }
+
/*
* Program all updated pipes, order matters for mpcc setup. Start with
* top pipe and program all pipes that follow in order
*/
for (i = 0; i < dc->res_pool->pipe_count; i++) {
- struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+ pipe = &context->res_ctx.pipe_ctx[i];
if (pipe->plane_state && !pipe->top_pipe) {
while (pipe) {
@@ -2129,17 +2141,6 @@ void dcn20_program_front_end_for_ctx(
context->stream_status[0].plane_count > 1) {
pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start(pipe->plane_res.hubp);
}
-
- /* when dynamic ODM is active, pipes must be reconfigured when all planes are
- * disabled, as some transitions will leave software and hardware state
- * mismatched.
- */
- if (dc->debug.enable_single_display_2to1_odm_policy &&
- pipe->stream &&
- pipe->update_flags.bits.disable &&
- !pipe->prev_odm_pipe &&
- hws->funcs.update_odm)
- hws->funcs.update_odm(dc, context, pipe);
}
}
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
index aa36d7a56ca8c..b890db0bfc46b 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
@@ -1156,6 +1156,13 @@ void dcn32_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *
dsc->funcs->dsc_disconnect(dsc);
}
}
+
+ if (!resource_is_pipe_type(pipe_ctx, DPP_PIPE))
+ /*
+ * blank pattern is generated by OPP, reprogram blank pattern
+ * due to OPP count change
+ */
+ dc->hwseq->funcs.blank_pixel_data(dc, pipe_ctx, true);
}
unsigned int dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div)
--
GitLab
From 3d066f9547dd58329b526db44f42c487a7974703 Mon Sep 17 00:00:00 2001
From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Date: Wed, 21 Feb 2024 12:27:31 -0500
Subject: [PATCH 1403/2686] drm/amd/display: Fix idle check for shared firmware
state
[WHY]
We still had an instance of get_idle_state checking the PMFW scratch
register instead of the actual idle allow signal.
[HOW]
Replace it with the SW state check for whether we had allowed idle
through notify_idle.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Duncan Ma <duncan.ma@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 613d09c42f3b9..958552a8605ff 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -4847,22 +4847,16 @@ void dc_exit_ips_for_hw_access(struct dc *dc)
bool dc_dmub_is_ips_idle_state(struct dc *dc)
{
- uint32_t idle_state = 0;
-
if (dc->debug.disable_idle_power_optimizations)
return false;
if (!dc->caps.ips_support || (dc->config.disable_ips == DMUB_IPS_DISABLE_ALL))
return false;
- if (dc->hwss.get_idle_state)
- idle_state = dc->hwss.get_idle_state(dc);
-
- if (!(idle_state & DMUB_IPS1_ALLOW_MASK) ||
- !(idle_state & DMUB_IPS2_ALLOW_MASK))
- return true;
+ if (!dc->ctx->dmub_srv)
+ return false;
- return false;
+ return dc->ctx->dmub_srv->idle_allowed;
}
/* set min and max memory clock to lowest and highest DPM level, respectively */
--
GitLab
From 8e054b0f1e71531762b8ded7f66c1b4af734671b Mon Sep 17 00:00:00 2001
From: ChunTao Tso <chuntao.tso@amd.com>
Date: Tue, 20 Feb 2024 17:08:39 +0800
Subject: [PATCH 1404/2686] drm/amd/display: Amend coasting vtotal for replay
low hz
[WHY]
The original coasting vtotal is 2 bytes, and it need to
be amended to 4 bytes because low hz case.
[HOW]
Amend coasting vtotal from 2 bytes to 4 bytes.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: ChunTao Tso <chuntao.tso@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/dc_types.h | 4 ++--
drivers/gpu/drm/amd/display/dc/inc/link.h | 4 ++--
.../display/dc/link/protocols/link_edp_panel_control.c | 4 ++--
.../display/dc/link/protocols/link_edp_panel_control.h | 4 ++--
drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 8 ++++++++
drivers/gpu/drm/amd/display/modules/power/power_helpers.c | 2 +-
drivers/gpu/drm/amd/display/modules/power/power_helpers.h | 2 +-
7 files changed, 18 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index 9900dda2eef5c..be2ac5c442a48 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -1085,9 +1085,9 @@ struct replay_settings {
/* SMU optimization is enabled */
bool replay_smu_opt_enable;
/* Current Coasting vtotal */
- uint16_t coasting_vtotal;
+ uint32_t coasting_vtotal;
/* Coasting vtotal table */
- uint16_t coasting_vtotal_table[PR_COASTING_TYPE_NUM];
+ uint32_t coasting_vtotal_table[PR_COASTING_TYPE_NUM];
/* Maximum link off frame count */
enum replay_link_off_frame_count_level link_off_frame_count_level;
/* Replay pseudo vtotal for abm + ips on full screen video which can improve ips residency */
diff --git a/drivers/gpu/drm/amd/display/dc/inc/link.h b/drivers/gpu/drm/amd/display/dc/inc/link.h
index 26fe81f213da5..bf29fc58ea6a6 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/link.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/link.h
@@ -285,12 +285,12 @@ struct link_service {
enum replay_FW_Message_type msg,
union dmub_replay_cmd_set *cmd_data);
bool (*edp_set_coasting_vtotal)(
- struct dc_link *link, uint16_t coasting_vtotal);
+ struct dc_link *link, uint32_t coasting_vtotal);
bool (*edp_replay_residency)(const struct dc_link *link,
unsigned int *residency, const bool is_start,
const bool is_alpm);
bool (*edp_set_replay_power_opt_and_coasting_vtotal)(struct dc_link *link,
- const unsigned int *power_opts, uint16_t coasting_vtotal);
+ const unsigned int *power_opts, uint32_t coasting_vtotal);
bool (*edp_wait_for_t12)(struct dc_link *link);
bool (*edp_is_ilr_optimization_required)(struct dc_link *link,
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
index acfbbc638cc64..3baa2bdd6dd65 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
@@ -1034,7 +1034,7 @@ bool edp_send_replay_cmd(struct dc_link *link,
return true;
}
-bool edp_set_coasting_vtotal(struct dc_link *link, uint16_t coasting_vtotal)
+bool edp_set_coasting_vtotal(struct dc_link *link, uint32_t coasting_vtotal)
{
struct dc *dc = link->ctx->dc;
struct dmub_replay *replay = dc->res_pool->replay;
@@ -1073,7 +1073,7 @@ bool edp_replay_residency(const struct dc_link *link,
}
bool edp_set_replay_power_opt_and_coasting_vtotal(struct dc_link *link,
- const unsigned int *power_opts, uint16_t coasting_vtotal)
+ const unsigned int *power_opts, uint32_t coasting_vtotal)
{
struct dc *dc = link->ctx->dc;
struct dmub_replay *replay = dc->res_pool->replay;
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h
index 34e521af7bb48..a158c6234d422 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h
@@ -59,12 +59,12 @@ bool edp_setup_replay(struct dc_link *link,
bool edp_send_replay_cmd(struct dc_link *link,
enum replay_FW_Message_type msg,
union dmub_replay_cmd_set *cmd_data);
-bool edp_set_coasting_vtotal(struct dc_link *link, uint16_t coasting_vtotal);
+bool edp_set_coasting_vtotal(struct dc_link *link, uint32_t coasting_vtotal);
bool edp_replay_residency(const struct dc_link *link,
unsigned int *residency, const bool is_start, const bool is_alpm);
bool edp_get_replay_state(const struct dc_link *link, uint64_t *state);
bool edp_set_replay_power_opt_and_coasting_vtotal(struct dc_link *link,
- const unsigned int *power_opts, uint16_t coasting_vtotal);
+ const unsigned int *power_opts, uint32_t coasting_vtotal);
bool edp_wait_for_t12(struct dc_link *link);
bool edp_is_ilr_optimization_required(struct dc_link *link,
struct dc_crtc_timing *crtc_timing);
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
index a529e369b2ace..af3fe8bb0728b 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -3238,6 +3238,14 @@ struct dmub_cmd_replay_set_coasting_vtotal_data {
* Currently the support is only for 0 or 1
*/
uint8_t panel_inst;
+ /**
+ * 16-bit value dicated by driver that indicates the coasting vtotal high byte part.
+ */
+ uint16_t coasting_vtotal_high;
+ /**
+ * Explicit padding to 4 byte boundary.
+ */
+ uint8_t pad[2];
};
/**
diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
index e304e8435fb8f..2a3698fd2dc24 100644
--- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
+++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
@@ -975,7 +975,7 @@ bool psr_su_set_dsc_slice_height(struct dc *dc, struct dc_link *link,
void set_replay_coasting_vtotal(struct dc_link *link,
enum replay_coasting_vtotal_type type,
- uint16_t vtotal)
+ uint32_t vtotal)
{
link->replay_settings.coasting_vtotal_table[type] = vtotal;
}
diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.h b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h
index bef4815e1703d..ff7e6f3cd6be2 100644
--- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.h
+++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h
@@ -56,7 +56,7 @@ bool dmub_init_abm_config(struct resource_pool *res_pool,
void init_replay_config(struct dc_link *link, struct replay_config *pr_config);
void set_replay_coasting_vtotal(struct dc_link *link,
enum replay_coasting_vtotal_type type,
- uint16_t vtotal);
+ uint32_t vtotal);
void set_replay_ips_full_screen_video_src_vtotal(struct dc_link *link, uint16_t vtotal);
void calculate_replay_link_off_frame_count(struct dc_link *link,
uint16_t vtotal, uint16_t htotal);
--
GitLab
From 94040c2cbb1a872ff779da06bf034ccfee0f9cba Mon Sep 17 00:00:00 2001
From: Wenjing Liu <wenjing.liu@amd.com>
Date: Fri, 23 Feb 2024 15:17:39 -0500
Subject: [PATCH 1405/2686] drm/amd/display: Lock all enabled otg pipes even
with no planes
[WHY]
On DCN32 we support dynamic ODM even when OTG is blanked. When ODM
configuration is dynamically changed and the OTG is on blank pattern,
we will need to reprogram OPP's test pattern based on new ODM
configuration. Therefore we need to lock the OTG pipe to avoid temporary
corruption when we are reprogramming OPP blank patterns.
[HOW]
Add a new interdependent update lock implementation to lock all enabled
OTG pipes even when there is no plane on the OTG for DCN32.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../amd/display/dc/hwss/dcn32/dcn32_hwseq.c | 23 +++++++++++++++++++
.../amd/display/dc/hwss/dcn32/dcn32_hwseq.h | 2 ++
.../amd/display/dc/hwss/dcn32/dcn32_init.c | 2 +-
3 files changed, 26 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
index b890db0bfc46b..c0b526cf17865 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
@@ -1785,3 +1785,26 @@ void dcn32_prepare_bandwidth(struct dc *dc,
context->bw_ctx.bw.dcn.clk.p_state_change_support = p_state_change_support;
}
}
+
+void dcn32_interdependent_update_lock(struct dc *dc,
+ struct dc_state *context, bool lock)
+{
+ unsigned int i;
+ struct pipe_ctx *pipe;
+ struct timing_generator *tg;
+
+ for (i = 0; i < dc->res_pool->pipe_count; i++) {
+ pipe = &context->res_ctx.pipe_ctx[i];
+ tg = pipe->stream_res.tg;
+
+ if (!resource_is_pipe_type(pipe, OTG_MASTER) ||
+ !tg->funcs->is_tg_enabled(tg) ||
+ dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_PHANTOM)
+ continue;
+
+ if (lock)
+ dc->hwss.pipe_control_lock(dc, pipe, true);
+ else
+ dc->hwss.pipe_control_lock(dc, pipe, false);
+ }
+}
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.h
index 069e20bc87c0a..f55c11fc56ec7 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.h
@@ -129,4 +129,6 @@ bool dcn32_is_pipe_topology_transition_seamless(struct dc *dc,
void dcn32_prepare_bandwidth(struct dc *dc,
struct dc_state *context);
+void dcn32_interdependent_update_lock(struct dc *dc,
+ struct dc_state *context, bool lock);
#endif /* __DC_HWSS_DCN32_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c
index 2b073123d3ede..67d661dbd5b7c 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c
@@ -58,7 +58,7 @@ static const struct hw_sequencer_funcs dcn32_funcs = {
.disable_plane = dcn20_disable_plane,
.disable_pixel_data = dcn20_disable_pixel_data,
.pipe_control_lock = dcn20_pipe_control_lock,
- .interdependent_update_lock = dcn10_lock_all_pipes,
+ .interdependent_update_lock = dcn32_interdependent_update_lock,
.cursor_lock = dcn10_cursor_lock,
.prepare_bandwidth = dcn32_prepare_bandwidth,
.optimize_bandwidth = dcn20_optimize_bandwidth,
--
GitLab
From 2d7f3d1a5866705be2393150e1ffdf67030ab88d Mon Sep 17 00:00:00 2001
From: Wenjing Liu <wenjing.liu@amd.com>
Date: Fri, 23 Feb 2024 15:38:40 -0500
Subject: [PATCH 1406/2686] drm/amd/display: Implement
wait_for_odm_update_pending_complete
[WHY]
Odm update is doubled buffered. We need to wait for ODM update to be
completed before optimizing bandwidth or programming new udpates.
[HOW]
implement wait_for_odm_update_pending_complete function to wait for:
1. odm configuration update is no longer pending in timing generator.
2. no pending dpg pattern update for each active OPP.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 56 ++++++++++++++++++-
.../gpu/drm/amd/display/dc/dcn10/dcn10_opp.c | 1 +
.../gpu/drm/amd/display/dc/dcn20/dcn20_opp.c | 14 +++++
.../gpu/drm/amd/display/dc/dcn20/dcn20_opp.h | 2 +
.../drm/amd/display/dc/dcn201/dcn201_opp.c | 1 +
.../amd/display/dc/hwss/dcn20/dcn20_hwseq.c | 4 +-
drivers/gpu/drm/amd/display/dc/inc/hw/opp.h | 3 +
.../amd/display/dc/inc/hw/timing_generator.h | 1 +
.../amd/display/dc/optc/dcn10/dcn10_optc.h | 3 +-
.../amd/display/dc/optc/dcn32/dcn32_optc.c | 8 +++
.../amd/display/dc/optc/dcn32/dcn32_optc.h | 1 +
11 files changed, 90 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 958552a8605ff..e7dc128f6284b 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1302,6 +1302,54 @@ static void disable_vbios_mode_if_required(
}
}
+/**
+ * wait_for_blank_complete - wait for all active OPPs to finish pending blank
+ * pattern updates
+ *
+ * @dc: [in] dc reference
+ * @context: [in] hardware context in use
+ */
+static void wait_for_blank_complete(struct dc *dc,
+ struct dc_state *context)
+{
+ struct pipe_ctx *opp_head;
+ struct dce_hwseq *hws = dc->hwseq;
+ int i;
+
+ if (!hws->funcs.wait_for_blank_complete)
+ return;
+
+ for (i = 0; i < MAX_PIPES; i++) {
+ opp_head = &context->res_ctx.pipe_ctx[i];
+
+ if (!resource_is_pipe_type(opp_head, OPP_HEAD) ||
+ dc_state_get_pipe_subvp_type(context, opp_head) == SUBVP_PHANTOM)
+ continue;
+
+ hws->funcs.wait_for_blank_complete(opp_head->stream_res.opp);
+ }
+}
+
+static void wait_for_odm_update_pending_complete(struct dc *dc, struct dc_state *context)
+{
+ struct pipe_ctx *otg_master;
+ struct timing_generator *tg;
+ int i;
+
+ for (i = 0; i < MAX_PIPES; i++) {
+ otg_master = &context->res_ctx.pipe_ctx[i];
+ if (!resource_is_pipe_type(otg_master, OTG_MASTER) ||
+ dc_state_get_pipe_subvp_type(context, otg_master) == SUBVP_PHANTOM)
+ continue;
+ tg = otg_master->stream_res.tg;
+ if (tg->funcs->wait_odm_doublebuffer_pending_clear)
+ tg->funcs->wait_odm_doublebuffer_pending_clear(tg);
+ }
+
+ /* ODM update may require to reprogram blank pattern for each OPP */
+ wait_for_blank_complete(dc, context);
+}
+
static void wait_for_no_pipes_pending(struct dc *dc, struct dc_state *context)
{
int i;
@@ -1993,6 +2041,11 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c
context->stream_count == 0) {
/* Must wait for no flips to be pending before doing optimize bw */
wait_for_no_pipes_pending(dc, context);
+ /*
+ * optimized dispclk depends on ODM setup. Need to wait for ODM
+ * update pending complete before optimizing bandwidth.
+ */
+ wait_for_odm_update_pending_complete(dc, context);
/* pplib is notified if disp_num changed */
dc->hwss.optimize_bandwidth(dc, context);
/* Need to do otg sync again as otg could be out of sync due to otg
@@ -3496,7 +3549,7 @@ static void commit_planes_for_stream_fast(struct dc *dc,
top_pipe_to_program->stream->update_flags.raw = 0;
}
-static void wait_for_outstanding_hw_updates(struct dc *dc, const struct dc_state *dc_context)
+static void wait_for_outstanding_hw_updates(struct dc *dc, struct dc_state *dc_context)
{
/*
* This function calls HWSS to wait for any potentially double buffered
@@ -3534,6 +3587,7 @@ static void wait_for_outstanding_hw_updates(struct dc *dc, const struct dc_state
}
}
}
+ wait_for_odm_update_pending_complete(dc, dc_context);
}
static void commit_planes_for_stream(struct dc *dc,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
index 48a40dcc7050b..5838a11efd00c 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
@@ -384,6 +384,7 @@ static const struct opp_funcs dcn10_opp_funcs = {
.opp_set_disp_pattern_generator = NULL,
.opp_program_dpg_dimensions = NULL,
.dpg_is_blanked = NULL,
+ .dpg_is_pending = NULL,
.opp_destroy = opp1_destroy
};
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_opp.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_opp.c
index 0784d01986610..fbf1b6370eb23 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_opp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_opp.c
@@ -337,6 +337,19 @@ bool opp2_dpg_is_blanked(struct output_pixel_processor *opp)
(double_buffer_pending == 0);
}
+bool opp2_dpg_is_pending(struct output_pixel_processor *opp)
+{
+ struct dcn20_opp *oppn20 = TO_DCN20_OPP(opp);
+ uint32_t double_buffer_pending;
+ uint32_t dpg_en;
+
+ REG_GET(DPG_CONTROL, DPG_EN, &dpg_en);
+
+ REG_GET(DPG_STATUS, DPG_DOUBLE_BUFFER_PENDING, &double_buffer_pending);
+
+ return (dpg_en == 1 && double_buffer_pending == 1);
+}
+
void opp2_program_left_edge_extra_pixel (
struct output_pixel_processor *opp,
bool count)
@@ -363,6 +376,7 @@ static struct opp_funcs dcn20_opp_funcs = {
.opp_set_disp_pattern_generator = opp2_set_disp_pattern_generator,
.opp_program_dpg_dimensions = opp2_program_dpg_dimensions,
.dpg_is_blanked = opp2_dpg_is_blanked,
+ .dpg_is_pending = opp2_dpg_is_pending,
.opp_dpg_set_blank_color = opp2_dpg_set_blank_color,
.opp_destroy = opp1_destroy,
.opp_program_left_edge_extra_pixel = opp2_program_left_edge_extra_pixel,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_opp.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_opp.h
index 3ab221bdd27dd..8f186abd558db 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_opp.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_opp.h
@@ -159,6 +159,8 @@ void opp2_program_dpg_dimensions(
bool opp2_dpg_is_blanked(struct output_pixel_processor *opp);
+bool opp2_dpg_is_pending(struct output_pixel_processor *opp);
+
void opp2_dpg_set_blank_color(
struct output_pixel_processor *opp,
const struct tg_color *color);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_opp.c b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_opp.c
index 8e77db46a4090..6a71ba3dfc632 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_opp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_opp.c
@@ -50,6 +50,7 @@ static struct opp_funcs dcn201_opp_funcs = {
.opp_set_disp_pattern_generator = opp2_set_disp_pattern_generator,
.opp_program_dpg_dimensions = opp2_program_dpg_dimensions,
.dpg_is_blanked = opp2_dpg_is_blanked,
+ .dpg_is_pending = opp2_dpg_is_pending,
.opp_dpg_set_blank_color = opp2_dpg_set_blank_color,
.opp_destroy = opp1_destroy,
.opp_program_left_edge_extra_pixel = opp2_program_left_edge_extra_pixel,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
index 40098d9f70cbc..8b3536c380b8d 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
@@ -2452,7 +2452,7 @@ bool dcn20_wait_for_blank_complete(
int counter;
for (counter = 0; counter < 1000; counter++) {
- if (opp->funcs->dpg_is_blanked(opp))
+ if (!opp->funcs->dpg_is_pending(opp))
break;
udelay(100);
@@ -2463,7 +2463,7 @@ bool dcn20_wait_for_blank_complete(
return false;
}
- return true;
+ return opp->funcs->dpg_is_blanked(opp);
}
bool dcn20_dmdata_status_done(struct pipe_ctx *pipe_ctx)
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/opp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/opp.h
index aee5372e292c5..d89c92370d5b3 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/opp.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/opp.h
@@ -337,6 +337,9 @@ struct opp_funcs {
bool (*dpg_is_blanked)(
struct output_pixel_processor *opp);
+ bool (*dpg_is_pending)(struct output_pixel_processor *opp);
+
+
void (*opp_dpg_set_blank_color)(
struct output_pixel_processor *opp,
const struct tg_color *color);
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
index d98d72f35be5b..ffad8fe16c54d 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
@@ -331,6 +331,7 @@ struct timing_generator_funcs {
void (*init_odm)(struct timing_generator *tg);
void (*wait_drr_doublebuffer_pending_clear)(struct timing_generator *tg);
+ void (*wait_odm_doublebuffer_pending_clear)(struct timing_generator *tg);
};
#endif
diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.h b/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.h
index ab81594a7fadc..6c2e84d3967fc 100644
--- a/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.h
+++ b/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.h
@@ -557,7 +557,8 @@ struct dcn_optc_registers {
type OTG_CRC_DATA_STREAM_SPLIT_MODE;\
type OTG_CRC_DATA_FORMAT;\
type OTG_V_TOTAL_LAST_USED_BY_DRR;\
- type OTG_DRR_TIMING_DBUF_UPDATE_PENDING;
+ type OTG_DRR_TIMING_DBUF_UPDATE_PENDING;\
+ type OTG_H_TIMING_DIV_MODE_DB_UPDATE_PENDING;
#define TG_REG_FIELD_LIST_DCN3_2(type) \
type OTG_H_TIMING_DIV_MODE_MANUAL;
diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c b/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c
index 8234935433254..f07a4c7e48bc2 100644
--- a/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c
@@ -122,6 +122,13 @@ void optc32_get_odm_combine_segments(struct timing_generator *tg, int *odm_combi
}
}
+void optc32_wait_odm_doublebuffer_pending_clear(struct timing_generator *tg)
+{
+ struct optc *optc1 = DCN10TG_FROM_TG(tg);
+
+ REG_WAIT(OTG_DOUBLE_BUFFER_CONTROL, OTG_H_TIMING_DIV_MODE_DB_UPDATE_PENDING, 0, 2, 50000);
+}
+
void optc32_set_h_timing_div_manual_mode(struct timing_generator *optc, bool manual_mode)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
@@ -345,6 +352,7 @@ static struct timing_generator_funcs dcn32_tg_funcs = {
.set_odm_bypass = optc32_set_odm_bypass,
.set_odm_combine = optc32_set_odm_combine,
.get_odm_combine_segments = optc32_get_odm_combine_segments,
+ .wait_odm_doublebuffer_pending_clear = optc32_wait_odm_doublebuffer_pending_clear,
.set_h_timing_div_manual_mode = optc32_set_h_timing_div_manual_mode,
.get_optc_source = optc2_get_optc_source,
.set_out_mux = optc3_set_out_mux,
diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.h b/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.h
index 8ce3b178cab06..0c2c146955619 100644
--- a/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.h
+++ b/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.h
@@ -183,5 +183,6 @@ void optc32_set_h_timing_div_manual_mode(struct timing_generator *optc, bool man
void optc32_get_odm_combine_segments(struct timing_generator *tg, int *odm_combine_segments);
void optc32_set_odm_bypass(struct timing_generator *optc,
const struct dc_crtc_timing *dc_crtc_timing);
+void optc32_wait_odm_doublebuffer_pending_clear(struct timing_generator *tg);
#endif /* __DC_OPTC_DCN32_H__ */
--
GitLab
From e64b3f55e458ce7e2087a0051f47edabf74545e7 Mon Sep 17 00:00:00 2001
From: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Date: Wed, 14 Feb 2024 13:29:51 -0700
Subject: [PATCH 1407/2686] drm/amd/display: Return the correct HDCP error code
[WHY & HOW]
If the display is null when creating an HDCP session, return a proper
error code.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
index 8c137d7c032e1..7c9805705fd38 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
@@ -513,6 +513,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp)
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+ if (!display)
+ return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+
hdcp_cmd->in_msg.hdcp2_create_session_v2.display_handle = display->index;
if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_0)
--
GitLab
From 334b56cea5d9df5989be6cf1a5898114fa70ad98 Mon Sep 17 00:00:00 2001
From: Allen Pan <allen.pan@amd.com>
Date: Fri, 23 Feb 2024 18:20:16 -0500
Subject: [PATCH 1408/2686] drm/amd/display: Add a dc_state NULL check in
dc_state_release
[How]
Check wheather state is NULL before releasing it.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Allen Pan <allen.pan@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_state.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c b/drivers/gpu/drm/amd/display/dc/core/dc_state.c
index 180ac47868c22..5cc7f8da209c5 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c
@@ -334,7 +334,8 @@ static void dc_state_free(struct kref *kref)
void dc_state_release(struct dc_state *state)
{
- kref_put(&state->refcount, dc_state_free);
+ if (state != NULL)
+ kref_put(&state->refcount, dc_state_free);
}
/*
* dc_state_add_stream() - Add a new dc_stream_state to a dc_state.
--
GitLab
From 03c6284df179de3a4a6e0684764b1c71d2a405e2 Mon Sep 17 00:00:00 2001
From: Ma Jun <Jun.Ma2@amd.com>
Date: Tue, 19 Mar 2024 15:24:03 +0800
Subject: [PATCH 1409/2686] Revert "drm/amd/amdgpu: Fix potential ioremap()
memory leaks in amdgpu_device_init()"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This patch causes the following iounmap erorr and calltrace
iounmap: bad address 00000000d0b3631f
The original patch was unjustified because amdgpu_device_fini_sw() will
always cleanup the rmmio mapping.
This reverts commit eb4f139888f636614dab3bcce97ff61cefc4b3a7.
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 1e9454e6e4cb4..5dc24c971b41f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4040,10 +4040,8 @@ int amdgpu_device_init(struct amdgpu_device *adev,
* early on during init and before calling to RREG32.
*/
adev->reset_domain = amdgpu_reset_create_reset_domain(SINGLE_DEVICE, "amdgpu-reset-dev");
- if (!adev->reset_domain) {
- r = -ENOMEM;
- goto unmap_memory;
- }
+ if (!adev->reset_domain)
+ return -ENOMEM;
/* detect hw virtualization here */
amdgpu_detect_virtualization(adev);
@@ -4053,7 +4051,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
r = amdgpu_device_get_job_timeout_settings(adev);
if (r) {
dev_err(adev->dev, "invalid lockup_timeout parameter syntax\n");
- goto unmap_memory;
+ return r;
}
amdgpu_device_set_mcbp(adev);
@@ -4061,12 +4059,12 @@ int amdgpu_device_init(struct amdgpu_device *adev,
/* early init functions */
r = amdgpu_device_ip_early_init(adev);
if (r)
- goto unmap_memory;
+ return r;
/* Get rid of things like offb */
r = drm_aperture_remove_conflicting_pci_framebuffers(adev->pdev, &amdgpu_kms_driver);
if (r)
- goto unmap_memory;
+ return r;
/* Enable TMZ based on IP_VERSION */
amdgpu_gmc_tmz_set(adev);
@@ -4076,7 +4074,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
if (adev->gmc.xgmi.supported) {
r = adev->gfxhub.funcs->get_xgmi_info(adev);
if (r)
- goto unmap_memory;
+ return r;
}
/* enable PCIE atomic ops */
@@ -4345,8 +4343,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
failed:
amdgpu_vf_error_trans_all(adev);
-unmap_memory:
- iounmap(adev->rmmio);
return r;
}
--
GitLab
From 1b7eec6bf360145bbca959a6c036e885dc5cf8f5 Mon Sep 17 00:00:00 2001
From: Lang Yu <Lang.Yu@amd.com>
Date: Mon, 18 Mar 2024 18:31:30 +0800
Subject: [PATCH 1410/2686] Revert "drm/amdgpu/vpe: don't emit cond exec
command under collaborate mode"
Ready now. Remove this workaround.
This reverts commit d40f6213b52c161fd4634933acbc32103a283363.
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Tested-by: Alan Liu <haoping.liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c
index 70c5cc80ecdc0..7a65a2b128ec4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c
@@ -575,9 +575,6 @@ static unsigned int vpe_ring_init_cond_exec(struct amdgpu_ring *ring,
{
unsigned int ret;
- if (ring->adev->vpe.collaborate_mode)
- return ~0;
-
amdgpu_ring_write(ring, VPE_CMD_HEADER(VPE_CMD_OPCODE_COND_EXE, 0));
amdgpu_ring_write(ring, lower_32_bits(addr));
amdgpu_ring_write(ring, upper_32_bits(addr));
--
GitLab
From cf8c498694a443e28dc1222f3ab94677114a4724 Mon Sep 17 00:00:00 2001
From: Wenjing Liu <wenjing.liu@amd.com>
Date: Mon, 4 Mar 2024 11:20:27 -0500
Subject: [PATCH 1411/2686] drm/amd/display: Revert Remove pixle rate limit for
subvp
This reverts commit 340383c734f8 ("drm/amd/display: Remove pixle rate
limit for subvp")
[why]
The original commit causes a regression when subvp is applied
on ODM required 8k60hz timing. The display shows black screen
on boot. The issue can be recovered with hotplug. It also causes
MPO to fail. We will temprarily revert this commit and investigate
the root cause further.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com>
Reviewed-by: Martin Leung <martin.leung@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index b49e1dc9d8ba5..a0a65e0991041 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -623,6 +623,7 @@ static bool dcn32_assign_subvp_pipe(struct dc *dc,
* - Not TMZ surface
*/
if (pipe->plane_state && !pipe->top_pipe && !dcn32_is_center_timing(pipe) &&
+ !(pipe->stream->timing.pix_clk_100hz / 10000 > DCN3_2_MAX_SUBVP_PIXEL_RATE_MHZ) &&
(!dcn32_is_psr_capable(pipe) || (context->stream_count == 1 && dc->caps.dmub_caps.subvp_psr)) &&
dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_NONE &&
(refresh_rate < 120 || dcn32_allow_subvp_high_refresh_rate(dc, context, pipe)) &&
--
GitLab
From 69e3be6893a7e668660b05a966bead82bbddb01d Mon Sep 17 00:00:00 2001
From: Leo Ma <hanghong.ma@amd.com>
Date: Fri, 28 Jul 2023 08:35:07 -0400
Subject: [PATCH 1412/2686] drm/amd/display: Fix noise issue on HDMI AV mute
[Why]
When mode switching is triggered there is momentary noise visible on
some HDMI TV or displays.
[How]
Wait for 2 frames to make sure we have enough time to send out AV mute
and sink receives a full frame.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Leo Ma <hanghong.ma@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c
index 7e6b7f2a6dc9e..8bc3d01537bbd 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c
@@ -812,10 +812,20 @@ void dcn30_set_avmute(struct pipe_ctx *pipe_ctx, bool enable)
if (pipe_ctx == NULL)
return;
- if (dc_is_hdmi_signal(pipe_ctx->stream->signal) && pipe_ctx->stream_res.stream_enc != NULL)
+ if (dc_is_hdmi_signal(pipe_ctx->stream->signal) && pipe_ctx->stream_res.stream_enc != NULL) {
pipe_ctx->stream_res.stream_enc->funcs->set_avmute(
pipe_ctx->stream_res.stream_enc,
enable);
+
+ /* Wait for two frame to make sure AV mute is sent out */
+ if (enable) {
+ pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
+ pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VBLANK);
+ pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
+ pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VBLANK);
+ pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
+ }
+ }
}
void dcn30_update_info_frame(struct pipe_ctx *pipe_ctx)
--
GitLab
From ad550dbe8ae4ba833371a018265c1c3ae88559f0 Mon Sep 17 00:00:00 2001
From: Le Ma <le.ma@amd.com>
Date: Fri, 15 Mar 2024 16:55:39 +0800
Subject: [PATCH 1413/2686] drm/amdgpu: drop setting buffer funcs in sdma442
To fix the entity rq NULL issue. This setting has been moved
to upper level.
Fixes: b70438004a14 ("drm/amdgpu: move buffer funcs setting up a level")
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | 23 +----------------------
1 file changed, 1 insertion(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
index eaa4f5f499491..103dc9c7325fb 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
@@ -431,16 +431,11 @@ static void sdma_v4_4_2_inst_gfx_stop(struct amdgpu_device *adev,
struct amdgpu_ring *sdma[AMDGPU_MAX_SDMA_INSTANCES];
u32 doorbell_offset, doorbell;
u32 rb_cntl, ib_cntl;
- int i, unset = 0;
+ int i;
for_each_inst(i, inst_mask) {
sdma[i] = &adev->sdma.instance[i].ring;
- if ((adev->mman.buffer_funcs_ring == sdma[i]) && unset != 1) {
- amdgpu_ttm_set_buffer_funcs_status(adev, false);
- unset = 1;
- }
-
rb_cntl = RREG32_SDMA(i, regSDMA_GFX_RB_CNTL);
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_GFX_RB_CNTL, RB_ENABLE, 0);
WREG32_SDMA(i, regSDMA_GFX_RB_CNTL, rb_cntl);
@@ -487,20 +482,10 @@ static void sdma_v4_4_2_inst_rlc_stop(struct amdgpu_device *adev,
static void sdma_v4_4_2_inst_page_stop(struct amdgpu_device *adev,
uint32_t inst_mask)
{
- struct amdgpu_ring *sdma[AMDGPU_MAX_SDMA_INSTANCES];
u32 rb_cntl, ib_cntl;
int i;
- bool unset = false;
for_each_inst(i, inst_mask) {
- sdma[i] = &adev->sdma.instance[i].page;
-
- if ((adev->mman.buffer_funcs_ring == sdma[i]) &&
- (!unset)) {
- amdgpu_ttm_set_buffer_funcs_status(adev, false);
- unset = true;
- }
-
rb_cntl = RREG32_SDMA(i, regSDMA_PAGE_RB_CNTL);
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA_PAGE_RB_CNTL,
RB_ENABLE, 0);
@@ -950,13 +935,7 @@ static int sdma_v4_4_2_inst_start(struct amdgpu_device *adev,
r = amdgpu_ring_test_helper(page);
if (r)
return r;
-
- if (adev->mman.buffer_funcs_ring == page)
- amdgpu_ttm_set_buffer_funcs_status(adev, true);
}
-
- if (adev->mman.buffer_funcs_ring == ring)
- amdgpu_ttm_set_buffer_funcs_status(adev, true);
}
return r;
--
GitLab
From bc55c344b06f7e6f99eb92d393ff0a84c1532514 Mon Sep 17 00:00:00 2001
From: Ma Jun <Jun.Ma2@amd.com>
Date: Tue, 19 Mar 2024 11:02:29 +0800
Subject: [PATCH 1414/2686] drm/amdgpu/pm: Don't use OD table on Arcturus
OD is not supported on Arcturus, so the OD table
should not be used.
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c | 33 +++----------------
1 file changed, 5 insertions(+), 28 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
index 40ba7227cca58..0c2d04f978ac9 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
@@ -1283,11 +1283,8 @@ static int arcturus_get_power_limit(struct smu_context *smu,
uint32_t *max_power_limit,
uint32_t *min_power_limit)
{
- struct smu_11_0_powerplay_table *powerplay_table =
- (struct smu_11_0_powerplay_table *)smu->smu_table.power_play_table;
- struct smu_11_0_overdrive_table *od_settings = smu->od_settings;
PPTable_t *pptable = smu->smu_table.driver_pptable;
- uint32_t power_limit, od_percent_upper = 0, od_percent_lower = 0;
+ uint32_t power_limit;
if (smu_v11_0_get_current_power_limit(smu, &power_limit)) {
/* the last hope to figure out the ppt limit */
@@ -1303,30 +1300,10 @@ static int arcturus_get_power_limit(struct smu_context *smu,
*current_power_limit = power_limit;
if (default_power_limit)
*default_power_limit = power_limit;
-
- if (powerplay_table) {
- if (smu->od_enabled &&
- od_settings->cap[SMU_11_0_ODCAP_POWER_LIMIT]) {
- od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
- od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
- } else if (od_settings->cap[SMU_11_0_ODCAP_POWER_LIMIT]) {
- od_percent_upper = 0;
- od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
- }
- }
-
- dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
- od_percent_upper, od_percent_lower, power_limit);
-
- if (max_power_limit) {
- *max_power_limit = power_limit * (100 + od_percent_upper);
- *max_power_limit /= 100;
- }
-
- if (min_power_limit) {
- *min_power_limit = power_limit * (100 - od_percent_lower);
- *min_power_limit /= 100;
- }
+ if (max_power_limit)
+ *max_power_limit = power_limit;
+ if (min_power_limit)
+ *min_power_limit = power_limit;
return 0;
}
--
GitLab
From c9aa7d862144f7b5d74cf316fc1172629a3b438f Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Thu, 21 Mar 2024 01:52:09 +0900
Subject: [PATCH 1415/2686] kconfig: tests: support KCONFIG_SEED for the
randconfig runner
This will help get consistent results for randconfig tests.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/tests/conftest.py | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/scripts/kconfig/tests/conftest.py b/scripts/kconfig/tests/conftest.py
index af8774a5697c8..2a2a7e2da0608 100644
--- a/scripts/kconfig/tests/conftest.py
+++ b/scripts/kconfig/tests/conftest.py
@@ -154,12 +154,10 @@ class Conf:
defconfig_path = os.path.join(self._test_dir, defconfig)
return self._run_conf('--defconfig={}'.format(defconfig_path))
- def _allconfig(self, mode, all_config):
+ def _allconfig(self, mode, all_config, extra_env={}):
if all_config:
all_config_path = os.path.join(self._test_dir, all_config)
- extra_env = {'KCONFIG_ALLCONFIG': all_config_path}
- else:
- extra_env = {}
+ extra_env['KCONFIG_ALLCONFIG'] = all_config_path
return self._run_conf('--{}config'.format(mode), extra_env=extra_env)
@@ -195,13 +193,19 @@ class Conf:
"""
return self._allconfig('alldef', all_config)
- def randconfig(self, all_config=None):
+ def randconfig(self, all_config=None, seed=None):
"""Run randconfig.
all_config: fragment config file for KCONFIG_ALLCONFIG (optional)
+ seed: the seed for randconfig (optional)
returncode: exit status of the Kconfig executable
"""
- return self._allconfig('rand', all_config)
+ if seed is not None:
+ extra_env = {'KCONFIG_SEED': hex(seed)}
+ else:
+ extra_env = {}
+
+ return self._allconfig('rand', all_config, extra_env=extra_env)
def savedefconfig(self, dot_config):
"""Run savedefconfig.
--
GitLab
From 47ad16894c4a25e6cb342666f0fa203701a88476 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Thu, 21 Mar 2024 01:52:10 +0900
Subject: [PATCH 1416/2686] kconfig: tests: add a test for randconfig with
dependent choices
Since commit 3b9a19e08960 ("kconfig: loop as long as we changed some
symbols in randconfig"), conf_set_all_new_symbols() is repeated until
there is no more choice left to be shuffled. The motivation was to
shuffle a choice nested in another choice.
Although commit 09d5873e4d1f ("kconfig: allow only 'config', 'comment',
and 'if' inside 'choice'") disallowed the nested choice structure,
we must still keep 3b9a19e08960 because there are still cases where
conf_set_all_new_symbols() must iterate.
scripts/kconfig/tests/choice_randomize/Kconfig is the test case.
The second choice depends on 'B', which is the member of the first
choice.
With 3b9a19e08960 reverted, we would never get the pattern specified by
scripts/kconfig/tests/choice_randomize/expected_config2.
A real example can be found in lib/Kconfig.debug. Without 3b9a19e08960,
the randconfig would not shuffle the "Compressed Debug information"
choice, which depends on DEBUG_INFO, which is derived from another
choice "Debug information".
My goal is to refactor Kconfig so that randconfig will work more
simply, without using the loop.
For now, let's add a test case to ensure all dependent choices are
shuffled, as it is a somewhat tricky case for the current Kconfig.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
.../kconfig/tests/choice_randomize/Kconfig | 22 ++++++++++++
.../tests/choice_randomize/__init__.py | 34 +++++++++++++++++++
.../tests/choice_randomize/expected_config0 | 6 ++++
.../tests/choice_randomize/expected_config1 | 8 +++++
.../tests/choice_randomize/expected_config2 | 8 +++++
5 files changed, 78 insertions(+)
create mode 100644 scripts/kconfig/tests/choice_randomize/Kconfig
create mode 100644 scripts/kconfig/tests/choice_randomize/__init__.py
create mode 100644 scripts/kconfig/tests/choice_randomize/expected_config0
create mode 100644 scripts/kconfig/tests/choice_randomize/expected_config1
create mode 100644 scripts/kconfig/tests/choice_randomize/expected_config2
diff --git a/scripts/kconfig/tests/choice_randomize/Kconfig b/scripts/kconfig/tests/choice_randomize/Kconfig
new file mode 100644
index 0000000000000..93a1699ce3cb7
--- /dev/null
+++ b/scripts/kconfig/tests/choice_randomize/Kconfig
@@ -0,0 +1,22 @@
+choice
+ prompt "choose A or B"
+
+config A
+ bool "A"
+
+config B
+ bool "B"
+
+endchoice
+
+choice
+ prompt "choose X or Y"
+ depends on B
+
+config X
+ bool "X"
+
+config Y
+ bool "Y"
+
+endchoice
diff --git a/scripts/kconfig/tests/choice_randomize/__init__.py b/scripts/kconfig/tests/choice_randomize/__init__.py
new file mode 100644
index 0000000000000..d380045be79c0
--- /dev/null
+++ b/scripts/kconfig/tests/choice_randomize/__init__.py
@@ -0,0 +1,34 @@
+# SPDX-License-Identifier: GPL-2.0-only
+"""
+Randomize all dependent choices
+
+This is a somewhat tricky case for randconfig; the visibility of one choice is
+determined by a member of another choice. Randconfig should be able to generate
+all possible patterns.
+"""
+
+
+def test(conf):
+
+ expected0 = False
+ expected1 = False
+ expected2 = False
+
+ for i in range(100):
+ assert conf.randconfig(seed=i) == 0
+
+ if conf.config_matches('expected_config0'):
+ expected0 = True
+ elif conf.config_matches('expected_config1'):
+ expected1 = True
+ elif conf.config_matches('expected_config2'):
+ expected2 = True
+ else:
+ assert False
+
+ if expected0 and expected1 and expected2:
+ break
+
+ assert expected0
+ assert expected1
+ assert expected2
diff --git a/scripts/kconfig/tests/choice_randomize/expected_config0 b/scripts/kconfig/tests/choice_randomize/expected_config0
new file mode 100644
index 0000000000000..f692273237596
--- /dev/null
+++ b/scripts/kconfig/tests/choice_randomize/expected_config0
@@ -0,0 +1,6 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Main menu
+#
+CONFIG_A=y
+# CONFIG_B is not set
diff --git a/scripts/kconfig/tests/choice_randomize/expected_config1 b/scripts/kconfig/tests/choice_randomize/expected_config1
new file mode 100644
index 0000000000000..bf83784c9b2a5
--- /dev/null
+++ b/scripts/kconfig/tests/choice_randomize/expected_config1
@@ -0,0 +1,8 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Main menu
+#
+# CONFIG_A is not set
+CONFIG_B=y
+CONFIG_X=y
+# CONFIG_Y is not set
diff --git a/scripts/kconfig/tests/choice_randomize/expected_config2 b/scripts/kconfig/tests/choice_randomize/expected_config2
new file mode 100644
index 0000000000000..38f93a8f37bdb
--- /dev/null
+++ b/scripts/kconfig/tests/choice_randomize/expected_config2
@@ -0,0 +1,8 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Main menu
+#
+# CONFIG_A is not set
+CONFIG_B=y
+# CONFIG_X is not set
+CONFIG_Y=y
--
GitLab
From f2fd2aad1908554fbc4ad6e8ef23bad3086bebd1 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Thu, 21 Mar 2024 01:52:11 +0900
Subject: [PATCH 1417/2686] kconfig: tests: test dependency after shuffling
choices
Commit c8fb7d7e48d1 ("kconfig: fix broken dependency in randconfig-
generated .config") fixed the issue, but I did not add a test case.
This commit adds a test case that emulates the reported situation.
The test would fail without c8fb7d7e48d1.
To handle the choice "choose X", FOO must be calculated beforehand.
FOO depends on A, which is a member of another choice "choose A or B".
Kconfig _temporarily_ assumes the value of A to proceed. The choice
"choose A or B" will be shuffled later, but the result may or may not
meet "FOO depends on A". Kconfig should invalidate the symbol values
and recompute them.
In the real example for ARCH=arm64, the choice "Instrumentation type"
needs the value of CPU_BIG_ENDIAN. The choice "Endianness" will be
shuffled later.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
.../kconfig/tests/choice_randomize2/Kconfig | 32 +++++++++++++++++++
.../tests/choice_randomize2/__init__.py | 18 +++++++++++
.../tests/choice_randomize2/expected_config0 | 8 +++++
.../tests/choice_randomize2/expected_config1 | 7 ++++
.../tests/choice_randomize2/expected_config2 | 6 ++++
5 files changed, 71 insertions(+)
create mode 100644 scripts/kconfig/tests/choice_randomize2/Kconfig
create mode 100644 scripts/kconfig/tests/choice_randomize2/__init__.py
create mode 100644 scripts/kconfig/tests/choice_randomize2/expected_config0
create mode 100644 scripts/kconfig/tests/choice_randomize2/expected_config1
create mode 100644 scripts/kconfig/tests/choice_randomize2/expected_config2
diff --git a/scripts/kconfig/tests/choice_randomize2/Kconfig b/scripts/kconfig/tests/choice_randomize2/Kconfig
new file mode 100644
index 0000000000000..530cf2ef7f470
--- /dev/null
+++ b/scripts/kconfig/tests/choice_randomize2/Kconfig
@@ -0,0 +1,32 @@
+choice
+ prompt "This is always invisible"
+ depends on n
+
+config DUMMY
+ bool "DUMMY"
+
+endchoice
+
+choice
+ prompt "Choose A or B"
+
+config A
+ bool "A"
+
+config B
+ bool "B"
+
+endchoice
+
+config FOO
+ bool "FOO"
+ depends on A
+
+choice
+ prompt "Choose X"
+ depends on FOO
+
+config X
+ bool "X"
+
+endchoice
diff --git a/scripts/kconfig/tests/choice_randomize2/__init__.py b/scripts/kconfig/tests/choice_randomize2/__init__.py
new file mode 100644
index 0000000000000..2066757b80b94
--- /dev/null
+++ b/scripts/kconfig/tests/choice_randomize2/__init__.py
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0-only
+"""
+Randomize choices with correct dependencies
+
+When shuffling a choice may potentially disrupt certain dependencies, symbol
+values must be recalculated.
+
+Related Linux commits:
+ - c8fb7d7e48d11520ad24808cfce7afb7b9c9f798
+"""
+
+
+def test(conf):
+ for i in range(20):
+ assert conf.randconfig(seed=i) == 0
+ assert (conf.config_matches('expected_config0') or
+ conf.config_matches('expected_config1') or
+ conf.config_matches('expected_config2'))
diff --git a/scripts/kconfig/tests/choice_randomize2/expected_config0 b/scripts/kconfig/tests/choice_randomize2/expected_config0
new file mode 100644
index 0000000000000..5c9e1c172c156
--- /dev/null
+++ b/scripts/kconfig/tests/choice_randomize2/expected_config0
@@ -0,0 +1,8 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Main menu
+#
+CONFIG_A=y
+# CONFIG_B is not set
+CONFIG_FOO=y
+CONFIG_X=y
diff --git a/scripts/kconfig/tests/choice_randomize2/expected_config1 b/scripts/kconfig/tests/choice_randomize2/expected_config1
new file mode 100644
index 0000000000000..5b975d91bef1f
--- /dev/null
+++ b/scripts/kconfig/tests/choice_randomize2/expected_config1
@@ -0,0 +1,7 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Main menu
+#
+CONFIG_A=y
+# CONFIG_B is not set
+# CONFIG_FOO is not set
diff --git a/scripts/kconfig/tests/choice_randomize2/expected_config2 b/scripts/kconfig/tests/choice_randomize2/expected_config2
new file mode 100644
index 0000000000000..5a5ebb90d1d71
--- /dev/null
+++ b/scripts/kconfig/tests/choice_randomize2/expected_config2
@@ -0,0 +1,6 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Main menu
+#
+# CONFIG_A is not set
+CONFIG_B=y
--
GitLab
From 6e7132ed3c07bd8a6ce3db4bb307ef2852b322dc Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Wed, 20 Mar 2024 18:43:11 +0100
Subject: [PATCH 1418/2686] dm snapshot: fix lockup in dm_exception_table_exit
There was reported lockup when we exit a snapshot with many exceptions.
Fix this by adding "cond_resched" to the loop that frees the exceptions.
Reported-by: John Pittman <jpittman@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
---
drivers/md/dm-snap.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index bf7a574499a34..0ace06d1bee38 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -684,8 +684,10 @@ static void dm_exception_table_exit(struct dm_exception_table *et,
for (i = 0; i < size; i++) {
slot = et->table + i;
- hlist_bl_for_each_entry_safe(ex, pos, n, slot, hash_list)
+ hlist_bl_for_each_entry_safe(ex, pos, n, slot, hash_list) {
kmem_cache_free(mem, ex);
+ cond_resched();
+ }
}
kvfree(et->table);
--
GitLab
From a9ad73295cc1e3af0253eee7d08943b2419444c4 Mon Sep 17 00:00:00 2001
From: Sami Tolvanen <samitolvanen@google.com>
Date: Mon, 11 Mar 2024 19:31:44 +0000
Subject: [PATCH 1419/2686] riscv: Fix syscall wrapper for >word-size arguments
The current syscall wrapper macros break 64-bit arguments on
rv32 because they only guarantee the first N input registers are
passed to syscalls that accept N arguments. According to the
calling convention, values twice the word size reside in register
pairs and as a result, syscall arguments don't always have a
direct register mapping on rv32.
Instead of using `__MAP(x,__SC_LONG,__VA_ARGS__)` to declare the
type of the `__se(_compat)_sys_*` functions on rv32, change the
function declarations to accept `ulong` arguments and alias them
to the actual syscall implementations, similarly to the existing
macros in include/linux/syscalls.h. This matches previous
behavior and ensures registers are passed to syscalls as-is, no
matter which argument types they expect.
Fixes: 08d0ce30e0e4 ("riscv: Implement syscall wrappers")
Reported-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Link: https://lore.kernel.org/r/20240311193143.2981310-2-samitolvanen@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/syscall_wrapper.h | 53 +++++++++++++++++-------
1 file changed, 39 insertions(+), 14 deletions(-)
diff --git a/arch/riscv/include/asm/syscall_wrapper.h b/arch/riscv/include/asm/syscall_wrapper.h
index eeec04b7dae67..980094c2e9761 100644
--- a/arch/riscv/include/asm/syscall_wrapper.h
+++ b/arch/riscv/include/asm/syscall_wrapper.h
@@ -12,25 +12,51 @@
asmlinkage long __riscv_sys_ni_syscall(const struct pt_regs *);
-#define SC_RISCV_REGS_TO_ARGS(x, ...) \
- __MAP(x,__SC_ARGS \
- ,,regs->orig_a0,,regs->a1,,regs->a2 \
+#ifdef CONFIG_64BIT
+
+#define __SYSCALL_SE_DEFINEx(x, prefix, name, ...) \
+ static long __se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
+ static long __se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
+
+#define SC_RISCV_REGS_TO_ARGS(x, ...) \
+ __MAP(x,__SC_ARGS \
+ ,,regs->orig_a0,,regs->a1,,regs->a2 \
,,regs->a3,,regs->a4,,regs->a5,,regs->a6)
+#else
+/*
+ * Use type aliasing to ensure registers a0-a6 are correctly passed to the syscall
+ * implementation when >word-size arguments are used.
+ */
+#define __SYSCALL_SE_DEFINEx(x, prefix, name, ...) \
+ __diag_push(); \
+ __diag_ignore(GCC, 8, "-Wattribute-alias", \
+ "Type aliasing is used to sanitize syscall arguments"); \
+ static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \
+ ulong) \
+ __attribute__((alias(__stringify(___se_##prefix##name)))); \
+ __diag_pop(); \
+ static long noinline ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
+ static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
+
+#define SC_RISCV_REGS_TO_ARGS(x, ...) \
+ regs->orig_a0,regs->a1,regs->a2,regs->a3,regs->a4,regs->a5,regs->a6
+
+#endif /* CONFIG_64BIT */
+
#ifdef CONFIG_COMPAT
#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
asmlinkage long __riscv_compat_sys##name(const struct pt_regs *regs); \
ALLOW_ERROR_INJECTION(__riscv_compat_sys##name, ERRNO); \
- static long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
- asmlinkage long __riscv_compat_sys##name(const struct pt_regs *regs) \
+ __SYSCALL_SE_DEFINEx(x, compat_sys, name, __VA_ARGS__) \
{ \
- return __se_compat_sys##name(SC_RISCV_REGS_TO_ARGS(x,__VA_ARGS__)); \
+ return __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \
} \
- static long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
+ asmlinkage long __riscv_compat_sys##name(const struct pt_regs *regs) \
{ \
- return __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \
+ return __se_compat_sys##name(SC_RISCV_REGS_TO_ARGS(x,__VA_ARGS__)); \
} \
static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
@@ -51,19 +77,18 @@ asmlinkage long __riscv_sys_ni_syscall(const struct pt_regs *);
#define __SYSCALL_DEFINEx(x, name, ...) \
asmlinkage long __riscv_sys##name(const struct pt_regs *regs); \
ALLOW_ERROR_INJECTION(__riscv_sys##name, ERRNO); \
- static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
- asmlinkage long __riscv_sys##name(const struct pt_regs *regs) \
- { \
- return __se_sys##name(SC_RISCV_REGS_TO_ARGS(x,__VA_ARGS__)); \
- } \
- static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
+ __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
{ \
long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__)); \
__MAP(x,__SC_TEST,__VA_ARGS__); \
__PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
return ret; \
} \
+ asmlinkage long __riscv_sys##name(const struct pt_regs *regs) \
+ { \
+ return __se_sys##name(SC_RISCV_REGS_TO_ARGS(x,__VA_ARGS__)); \
+ } \
static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#define SYSCALL_DEFINE0(sname) \
--
GitLab
From f7cee094fb3b370e56b3c8aac89038de818d7aec Mon Sep 17 00:00:00 2001
From: Bjorn Andersson <quic_bjorande@quicinc.com>
Date: Tue, 19 Mar 2024 17:05:55 -0700
Subject: [PATCH 1420/2686] MAINTAINER: Include linux-arm-msm for Qualcomm RTC
patches
Add Qualcomm RTC driver to the linux-arm-msm list, to ensure that
members of the Qualcomm community gets Cc'ed, to assist with reviews
etc.
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Link: https://lore.kernel.org/r/20240319-maintainer-msm-add-rtc-v1-1-3a4f7d41b4d4@quicinc.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
MAINTAINERS | 1 +
1 file changed, 1 insertion(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index eeba9c2594496..0c60a61f035a0 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2594,6 +2594,7 @@ F: drivers/pci/controller/dwc/pcie-qcom.c
F: drivers/phy/qualcomm/
F: drivers/power/*/msm*
F: drivers/reset/reset-qcom-*
+F: drivers/rtc/rtc-pm8xxx.c
F: drivers/spi/spi-geni-qcom.c
F: drivers/spi/spi-qcom-qspi.c
F: drivers/spi/spi-qup.c
--
GitLab
From b0e256f3dd2ba6532f37c5c22e07cb07a36031ee Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Sun, 10 Mar 2024 10:02:41 +0100
Subject: [PATCH 1421/2686] netfilter: nft_set_pipapo: release elements in
clone only from destroy path
Clone already always provides a current view of the lookup table, use it
to destroy the set, otherwise it is possible to destroy elements twice.
This fix requires:
212ed75dc5fb ("netfilter: nf_tables: integrate pipapo into commit protocol")
which came after:
9827a0e6e23b ("netfilter: nft_set_pipapo: release elements in clone from abort path").
Fixes: 9827a0e6e23b ("netfilter: nft_set_pipapo: release elements in clone from abort path")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nft_set_pipapo.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
index c0ceea068936a..df8de50902463 100644
--- a/net/netfilter/nft_set_pipapo.c
+++ b/net/netfilter/nft_set_pipapo.c
@@ -2329,8 +2329,6 @@ static void nft_pipapo_destroy(const struct nft_ctx *ctx,
if (m) {
rcu_barrier();
- nft_set_pipapo_match_destroy(ctx, set, m);
-
for_each_possible_cpu(cpu)
pipapo_free_scratch(m, cpu);
free_percpu(m->scratch);
@@ -2342,8 +2340,7 @@ static void nft_pipapo_destroy(const struct nft_ctx *ctx,
if (priv->clone) {
m = priv->clone;
- if (priv->dirty)
- nft_set_pipapo_match_destroy(ctx, set, m);
+ nft_set_pipapo_match_destroy(ctx, set, m);
for_each_possible_cpu(cpu)
pipapo_free_scratch(priv->clone, cpu);
--
GitLab
From 4a0e7f2decbf9bd72461226f1f5f7dcc4b08f139 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Thu, 14 Mar 2024 18:51:38 +0100
Subject: [PATCH 1422/2686] netfilter: nf_tables: do not compare internal table
flags on updates
Restore skipping transaction if table update does not modify flags.
Fixes: 179d9ba5559a ("netfilter: nf_tables: fix table flag updates")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index e93f905e60b62..984c1c83ee38c 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1213,7 +1213,7 @@ static int nf_tables_updtable(struct nft_ctx *ctx)
if (flags & ~NFT_TABLE_F_MASK)
return -EOPNOTSUPP;
- if (flags == ctx->table->flags)
+ if (flags == (ctx->table->flags & NFT_TABLE_F_MASK))
return 0;
if ((nft_table_has_owner(ctx->table) &&
--
GitLab
From 2d9d9f256c8c85049306df3131ec7c81f9d8317c Mon Sep 17 00:00:00 2001
From: Herve Codina <herve.codina@bootlin.com>
Date: Thu, 14 Mar 2024 13:00:06 +0100
Subject: [PATCH 1423/2686] lib/bitmap: Fix bitmap_scatter() and
bitmap_gather() kernel doc
The make htmldoc command failed with the following error
... include/linux/bitmap.h:524: ERROR: Unexpected indentation.
... include/linux/bitmap.h:524: CRITICAL: Unexpected section title or transition.
Move the visual representation to a literal block.
Fixes: de5f84338970 ("lib/bitmap: Introduce bitmap_scatter() and bitmap_gather() helpers")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/linux-kernel/20240312153059.3ffde1b7@canb.auug.org.au/
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Acked-by: Yury Norov <yury.norov@gmail.com>
Link: https://lore.kernel.org/r/20240314120006.458580-1-herve.codina@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
include/linux/bitmap.h | 44 ++++++++++++++++++++++--------------------
1 file changed, 23 insertions(+), 21 deletions(-)
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index fb3a9c93ac86a..aa40961265537 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -522,17 +522,18 @@ static inline void bitmap_replace(unsigned long *dst,
*
* (Bits 0, 1, 2, 3, 4, 5 are copied to the bits 0, 1, 4, 8, 9, 12)
*
- * A more 'visual' description of the operation:
- * src: 0000000001011010
- * ||||||
- * +------+|||||
- * | +----+||||
- * | |+----+|||
- * | || +-+||
- * | || | ||
- * mask: ...v..vv...v..vv
- * ...0..11...0..10
- * dst: 0000001100000010
+ * A more 'visual' description of the operation::
+ *
+ * src: 0000000001011010
+ * ||||||
+ * +------+|||||
+ * | +----+||||
+ * | |+----+|||
+ * | || +-+||
+ * | || | ||
+ * mask: ...v..vv...v..vv
+ * ...0..11...0..10
+ * dst: 0000001100000010
*
* A relationship exists between bitmap_scatter() and bitmap_gather().
* bitmap_gather() can be seen as the 'reverse' bitmap_scatter() operation.
@@ -568,16 +569,17 @@ static inline void bitmap_scatter(unsigned long *dst, const unsigned long *src,
*
* (Bits 0, 1, 4, 8, 9, 12 are copied to the bits 0, 1, 2, 3, 4, 5)
*
- * A more 'visual' description of the operation:
- * mask: ...v..vv...v..vv
- * src: 0000001100000010
- * ^ ^^ ^ 0
- * | || | 10
- * | || > 010
- * | |+--> 1010
- * | +--> 11010
- * +----> 011010
- * dst: 0000000000011010
+ * A more 'visual' description of the operation::
+ *
+ * mask: ...v..vv...v..vv
+ * src: 0000001100000010
+ * ^ ^^ ^ 0
+ * | || | 10
+ * | || > 010
+ * | |+--> 1010
+ * | +--> 11010
+ * +----> 011010
+ * dst: 0000000000011010
*
* A relationship exists between bitmap_gather() and bitmap_scatter(). See
* bitmap_scatter() for the bitmap scatter detailed operations.
--
GitLab
From f7bf0ec1e73d43a347489e958b42841b111d63d6 Mon Sep 17 00:00:00 2001
From: Shannon Nelson <shannon.nelson@amd.com>
Date: Tue, 19 Mar 2024 09:35:34 -0700
Subject: [PATCH 1424/2686] ionic: update documentation for XDP support
Add information to our documentation for the XDP features
and related ethtool stats.
While we're here, we also add the missing timestamp stats.
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240319163534.38796-1-shannon.nelson@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../ethernet/pensando/ionic.rst | 22 +++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/Documentation/networking/device_drivers/ethernet/pensando/ionic.rst b/Documentation/networking/device_drivers/ethernet/pensando/ionic.rst
index 6ec7d686efab0..05fe2b11bb188 100644
--- a/Documentation/networking/device_drivers/ethernet/pensando/ionic.rst
+++ b/Documentation/networking/device_drivers/ethernet/pensando/ionic.rst
@@ -99,6 +99,12 @@ Minimal SR-IOV support is currently offered and can be enabled by setting
the sysfs 'sriov_numvfs' value, if supported by your particular firmware
configuration.
+XDP
+---
+
+Support for XDP includes the basics, plus Jumbo frames, Redirect and
+ndo_xmit. There is no current support for zero-copy sockets or HW offload.
+
Statistics
==========
@@ -138,6 +144,12 @@ Driver port specific::
rx_csum_none: 0
rx_csum_complete: 3
rx_csum_error: 0
+ xdp_drop: 0
+ xdp_aborted: 0
+ xdp_pass: 0
+ xdp_tx: 0
+ xdp_redirect: 0
+ xdp_frames: 0
Driver queue specific::
@@ -149,9 +161,12 @@ Driver queue specific::
tx_0_frags: 0
tx_0_tso: 0
tx_0_tso_bytes: 0
+ tx_0_hwstamp_valid: 0
+ tx_0_hwstamp_invalid: 0
tx_0_csum_none: 3
tx_0_csum: 0
tx_0_vlan_inserted: 0
+ tx_0_xdp_frames: 0
rx_0_pkts: 2
rx_0_bytes: 120
rx_0_dma_map_err: 0
@@ -159,8 +174,15 @@ Driver queue specific::
rx_0_csum_none: 0
rx_0_csum_complete: 0
rx_0_csum_error: 0
+ rx_0_hwstamp_valid: 0
+ rx_0_hwstamp_invalid: 0
rx_0_dropped: 0
rx_0_vlan_stripped: 0
+ rx_0_xdp_drop: 0
+ rx_0_xdp_aborted: 0
+ rx_0_xdp_pass: 0
+ rx_0_xdp_tx: 0
+ rx_0_xdp_redirect: 0
Firmware port specific::
--
GitLab
From 1a77557d48cff187a169c2aec01c0dd78a5e7e50 Mon Sep 17 00:00:00 2001
From: Yan Zhai <yan@cloudflare.com>
Date: Tue, 19 Mar 2024 13:44:34 -0700
Subject: [PATCH 1425/2686] rcu: add a helper to report consolidated flavor QS
When under heavy load, network processing can run CPU-bound for many
tens of seconds. Even in preemptible kernels (non-RT kernel), this can
block RCU Tasks grace periods, which can cause trace-event removal to
take more than a minute, which is unacceptably long.
This commit therefore creates a new helper function that passes through
both RCU and RCU-Tasks quiescent states every 100 milliseconds. This
hard-coded value suffices for current workloads.
Suggested-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Yan Zhai <yan@cloudflare.com>
Reviewed-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/90431d46ee112d2b0af04dbfe936faaca11810a5.1710877680.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
include/linux/rcupdate.h | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 16f519914415e..17d7ed5f3ae6e 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -247,6 +247,37 @@ do { \
cond_resched(); \
} while (0)
+/**
+ * rcu_softirq_qs_periodic - Report RCU and RCU-Tasks quiescent states
+ * @old_ts: jiffies at start of processing.
+ *
+ * This helper is for long-running softirq handlers, such as NAPI threads in
+ * networking. The caller should initialize the variable passed in as @old_ts
+ * at the beginning of the softirq handler. When invoked frequently, this macro
+ * will invoke rcu_softirq_qs() every 100 milliseconds thereafter, which will
+ * provide both RCU and RCU-Tasks quiescent states. Note that this macro
+ * modifies its old_ts argument.
+ *
+ * Because regions of code that have disabled softirq act as RCU read-side
+ * critical sections, this macro should be invoked with softirq (and
+ * preemption) enabled.
+ *
+ * The macro is not needed when CONFIG_PREEMPT_RT is defined. RT kernels would
+ * have more chance to invoke schedule() calls and provide necessary quiescent
+ * states. As a contrast, calling cond_resched() only won't achieve the same
+ * effect because cond_resched() does not provide RCU-Tasks quiescent states.
+ */
+#define rcu_softirq_qs_periodic(old_ts) \
+do { \
+ if (!IS_ENABLED(CONFIG_PREEMPT_RT) && \
+ time_after(jiffies, (old_ts) + HZ / 10)) { \
+ preempt_disable(); \
+ rcu_softirq_qs(); \
+ preempt_enable(); \
+ (old_ts) = jiffies; \
+ } \
+} while (0)
+
/*
* Infrastructure to implement the synchronize_() primitives in
* TREE_RCU and rcu_barrier_() primitives in TINY_RCU.
--
GitLab
From d6dbbb11247c71203785a2c9da474c36f4b19eae Mon Sep 17 00:00:00 2001
From: Yan Zhai <yan@cloudflare.com>
Date: Tue, 19 Mar 2024 13:44:37 -0700
Subject: [PATCH 1426/2686] net: report RCU QS on threaded NAPI repolling
NAPI threads can keep polling packets under load. Currently it is only
calling cond_resched() before repolling, but it is not sufficient to
clear out the holdout of RCU tasks, which prevent BPF tracing programs
from detaching for long period. This can be reproduced easily with
following set up:
ip netns add test1
ip netns add test2
ip -n test1 link add veth1 type veth peer name veth2 netns test2
ip -n test1 link set veth1 up
ip -n test1 link set lo up
ip -n test2 link set veth2 up
ip -n test2 link set lo up
ip -n test1 addr add 192.168.1.2/31 dev veth1
ip -n test1 addr add 1.1.1.1/32 dev lo
ip -n test2 addr add 192.168.1.3/31 dev veth2
ip -n test2 addr add 2.2.2.2/31 dev lo
ip -n test1 route add default via 192.168.1.3
ip -n test2 route add default via 192.168.1.2
for i in `seq 10 210`; do
for j in `seq 10 210`; do
ip netns exec test2 iptables -I INPUT -s 3.3.$i.$j -p udp --dport 5201
done
done
ip netns exec test2 ethtool -K veth2 gro on
ip netns exec test2 bash -c 'echo 1 > /sys/class/net/veth2/threaded'
ip netns exec test1 ethtool -K veth1 tso off
Then run an iperf3 client/server and a bpftrace script can trigger it:
ip netns exec test2 iperf3 -s -B 2.2.2.2 >/dev/null&
ip netns exec test1 iperf3 -c 2.2.2.2 -B 1.1.1.1 -u -l 1500 -b 3g -t 100 >/dev/null&
bpftrace -e 'kfunc:__napi_poll{@=count();} interval:s:1{exit();}'
Report RCU quiescent states periodically will resolve the issue.
Fixes: 29863d41bb6e ("net: implement threaded-able napi poll loop support")
Reviewed-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Yan Zhai <yan@cloudflare.com>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/4c3b0d3f32d3b18949d75b18e5e1d9f13a24f025.1710877680.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/core/dev.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/core/dev.c b/net/core/dev.c
index 303a6ff46e4e1..9a67003e49db8 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6743,6 +6743,8 @@ static int napi_threaded_poll(void *data)
void *have;
while (!napi_thread_wait(napi)) {
+ unsigned long last_qs = jiffies;
+
for (;;) {
bool repoll = false;
@@ -6767,6 +6769,7 @@ static int napi_threaded_poll(void *data)
if (!repoll)
break;
+ rcu_softirq_qs_periodic(last_qs);
cond_resched();
}
}
--
GitLab
From 00bf63122459e87193ee7f1bc6161c83a525569f Mon Sep 17 00:00:00 2001
From: Yan Zhai <yan@cloudflare.com>
Date: Tue, 19 Mar 2024 13:44:40 -0700
Subject: [PATCH 1427/2686] bpf: report RCU QS in cpumap kthread
When there are heavy load, cpumap kernel threads can be busy polling
packets from redirect queues and block out RCU tasks from reaching
quiescent states. It is insufficient to just call cond_resched() in such
context. Periodically raise a consolidated RCU QS before cond_resched
fixes the problem.
Fixes: 6710e1126934 ("bpf: introduce new bpf cpu map type BPF_MAP_TYPE_CPUMAP")
Reviewed-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Yan Zhai <yan@cloudflare.com>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/c17b9f1517e19d813da3ede5ed33ee18496bb5d8.1710877680.git.yan@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
kernel/bpf/cpumap.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
index 9ee8da4774656..a8e34416e960f 100644
--- a/kernel/bpf/cpumap.c
+++ b/kernel/bpf/cpumap.c
@@ -263,6 +263,7 @@ static int cpu_map_bpf_prog_run(struct bpf_cpu_map_entry *rcpu, void **frames,
static int cpu_map_kthread_run(void *data)
{
struct bpf_cpu_map_entry *rcpu = data;
+ unsigned long last_qs = jiffies;
complete(&rcpu->kthread_running);
set_current_state(TASK_INTERRUPTIBLE);
@@ -288,10 +289,12 @@ static int cpu_map_kthread_run(void *data)
if (__ptr_ring_empty(rcpu->queue)) {
schedule();
sched = 1;
+ last_qs = jiffies;
} else {
__set_current_state(TASK_RUNNING);
}
} else {
+ rcu_softirq_qs_periodic(last_qs);
sched = cond_resched();
}
--
GitLab
From b0f269728ccd1d3cabcb6f3a5b610147d98a5dd6 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Thu, 21 Mar 2024 00:43:12 +0900
Subject: [PATCH 1428/2686] x86/config: Fix warning for 'make ARCH=x86_64
tinyconfig'
Kconfig emits a warning for the following command:
$ make ARCH=x86_64 tinyconfig
...
.config:1380:warning: override: UNWINDER_GUESS changes choice state
When X86_64=y, the unwinder is exclusively selected from the following
three options:
- UNWINDER_ORC
- UNWINDER_FRAME_POINTER
- UNWINDER_GUESS
However, arch/x86/configs/tiny.config only specifies the values of the
last two. UNWINDER_ORC must be explicitly disabled.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240320154313.612342-1-masahiroy@kernel.org
---
arch/x86/configs/tiny.config | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/configs/tiny.config b/arch/x86/configs/tiny.config
index 66c9e2aab16cc..be3ee4294903b 100644
--- a/arch/x86/configs/tiny.config
+++ b/arch/x86/configs/tiny.config
@@ -1,5 +1,6 @@
CONFIG_NOHIGHMEM=y
# CONFIG_HIGHMEM4G is not set
# CONFIG_HIGHMEM64G is not set
+# CONFIG_UNWINDER_ORC is not set
CONFIG_UNWINDER_GUESS=y
# CONFIG_UNWINDER_FRAME_POINTER is not set
--
GitLab
From a51cd6bf8e10793103c5870ff9e4db295a843604 Mon Sep 17 00:00:00 2001
From: Artem Savkov <asavkov@redhat.com>
Date: Thu, 21 Mar 2024 09:18:09 +0100
Subject: [PATCH 1429/2686] arm64: bpf: fix 32bit unconditional bswap
In case when is64 == 1 in emit(A64_REV32(is64, dst, dst), ctx) the
generated insn reverses byte order for both high and low 32-bit words,
resuling in an incorrect swap as indicated by the jit test:
[ 9757.262607] test_bpf: #312 BSWAP 16: 0x0123456789abcdef -> 0xefcd jited:1 8 PASS
[ 9757.264435] test_bpf: #313 BSWAP 32: 0x0123456789abcdef -> 0xefcdab89 jited:1 ret 1460850314 != -271733879 (0x5712ce8a != 0xefcdab89)FAIL (1 times)
[ 9757.266260] test_bpf: #314 BSWAP 64: 0x0123456789abcdef -> 0x67452301 jited:1 8 PASS
[ 9757.268000] test_bpf: #315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 8 PASS
[ 9757.269686] test_bpf: #316 BSWAP 16: 0xfedcba9876543210 -> 0x1032 jited:1 8 PASS
[ 9757.271380] test_bpf: #317 BSWAP 32: 0xfedcba9876543210 -> 0x10325476 jited:1 ret -1460850316 != 271733878 (0xa8ed3174 != 0x10325476)FAIL (1 times)
[ 9757.273022] test_bpf: #318 BSWAP 64: 0xfedcba9876543210 -> 0x98badcfe jited:1 7 PASS
[ 9757.274721] test_bpf: #319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 9 PASS
Fix this by forcing 32bit variant of rev32.
Fixes: 1104247f3f979 ("bpf, arm64: Support unconditional bswap")
Signed-off-by: Artem Savkov <asavkov@redhat.com>
Tested-by: Puranjay Mohan <puranjay12@gmail.com>
Acked-by: Puranjay Mohan <puranjay12@gmail.com>
Acked-by: Xu Kuohai <xukuohai@huawei.com>
Message-ID: <20240321081809.158803-1-asavkov@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
arch/arm64/net/bpf_jit_comp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index 48b19a233299b..122021f9bdfc8 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -943,7 +943,7 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx,
emit(A64_UXTH(is64, dst, dst), ctx);
break;
case 32:
- emit(A64_REV32(is64, dst, dst), ctx);
+ emit(A64_REV32(0, dst, dst), ctx);
/* upper 32 bits already cleared */
break;
case 64:
--
GitLab
From e8bf353577f382c7066c661fed41b2adc0fc7c40 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= <arinc.unal@arinc9.com>
Date: Thu, 14 Mar 2024 12:33:41 +0300
Subject: [PATCH 1430/2686] net: dsa: mt7530: fix link-local frames that
ingress vlan filtering ports
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Whether VLAN-aware or not, on every VID VLAN table entry that has the CPU
port as a member of it, frames are set to egress the CPU port with the VLAN
tag stacked. This is so that VLAN tags can be appended after hardware
special tag (called DSA tag in the context of Linux drivers).
For user ports on a VLAN-unaware bridge, frame ingressing the user port
egresses CPU port with only the special tag.
For user ports on a VLAN-aware bridge, frame ingressing the user port
egresses CPU port with the special tag and the VLAN tag.
This causes issues with link-local frames, specifically BPDUs, because the
software expects to receive them VLAN-untagged.
There are two options to make link-local frames egress untagged. Setting
CONSISTENT or UNTAGGED on the EG_TAG bits on the relevant register.
CONSISTENT means frames egress exactly as they ingress. That means
egressing with the VLAN tag they had at ingress or egressing untagged if
they ingressed untagged. Although link-local frames are not supposed to be
transmitted VLAN-tagged, if they are done so, when egressing through a CPU
port, the special tag field will be broken.
BPDU egresses CPU port with VLAN tag egressing stacked, received on
software:
00:01:25.104821 AF Unknown (382365846), length 106:
| STAG | | VLAN |
0x0000: 0000 6c27 614d 4143 0001 0000 8100 0001 ..l'aMAC........
0x0010: 0026 4242 0300 0000 0000 0000 6c27 614d .&BB........l'aM
0x0020: 4143 0000 0000 0000 6c27 614d 4143 0000 AC......l'aMAC..
0x0030: 0000 1400 0200 0f00 0000 0000 0000 0000 ................
BPDU egresses CPU port with VLAN tag egressing untagged, received on
software:
00:23:56.628708 AF Unknown (25215488), length 64:
| STAG |
0x0000: 0000 6c27 614d 4143 0001 0000 0026 4242 ..l'aMAC.....&BB
0x0010: 0300 0000 0000 0000 6c27 614d 4143 0000 ........l'aMAC..
0x0020: 0000 0000 6c27 614d 4143 0000 0000 1400 ....l'aMAC......
0x0030: 0200 0f00 0000 0000 0000 0000 ............
BPDU egresses CPU port with VLAN tag egressing tagged, received on
software:
00:01:34.311963 AF Unknown (25215488), length 64:
| Mess |
0x0000: 0000 6c27 614d 4143 0001 0001 0026 4242 ..l'aMAC.....&BB
0x0010: 0300 0000 0000 0000 6c27 614d 4143 0000 ........l'aMAC..
0x0020: 0000 0000 6c27 614d 4143 0000 0000 1400 ....l'aMAC......
0x0030: 0200 0f00 0000 0000 0000 0000 ............
To prevent confusing the software, force the frame to egress UNTAGGED
instead of CONSISTENT. This way, frames can't possibly be received TAGGED
by software which would have the special tag field broken.
VLAN Tag Egress Procedure
For all frames, one of these options set the earliest in this order will
apply to the frame:
- EG_TAG in certain registers for certain frames.
This will apply to frame with matching MAC DA or EtherType.
- EG_TAG in the address table.
This will apply to frame at its incoming port.
- EG_TAG in the PVC register.
This will apply to frame at its incoming port.
- EG_CON and [EG_TAG per port] in the VLAN table.
This will apply to frame at its outgoing port.
- EG_TAG in the PCR register.
This will apply to frame at its outgoing port.
EG_TAG in certain registers for certain frames:
PPPoE Discovery_ARP/RARP: PPP_EG_TAG and ARP_EG_TAG in the APC register.
IGMP_MLD: IGMP_EG_TAG and MLD_EG_TAG in the IMC register.
BPDU and PAE: BPDU_EG_TAG and PAE_EG_TAG in the BPC register.
REV_01 and REV_02: R01_EG_TAG and R02_EG_TAG in the RGAC1 register.
REV_03 and REV_0E: R03_EG_TAG and R0E_EG_TAG in the RGAC2 register.
REV_10 and REV_20: R10_EG_TAG and R20_EG_TAG in the RGAC3 register.
REV_21 and REV_UN: R21_EG_TAG and RUN_EG_TAG in the RGAC4 register.
With this change, it can be observed that a bridge interface with stp_state
and vlan_filtering enabled will properly block ports now.
Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/dsa/mt7530.c | 23 +++++++++++++++--------
drivers/net/dsa/mt7530.h | 9 ++++++++-
2 files changed, 23 insertions(+), 9 deletions(-)
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 6986f538a4d01..2233f28b9fd19 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -953,16 +953,23 @@ static void mt7530_setup_port5(struct dsa_switch *ds, phy_interface_t interface)
static void
mt753x_trap_frames(struct mt7530_priv *priv)
{
- /* Trap BPDUs to the CPU port(s) */
- mt7530_rmw(priv, MT753X_BPC, MT753X_BPDU_PORT_FW_MASK,
+ /* Trap 802.1X PAE frames and BPDUs to the CPU port(s) and egress them
+ * VLAN-untagged.
+ */
+ mt7530_rmw(priv, MT753X_BPC, MT753X_PAE_EG_TAG_MASK |
+ MT753X_PAE_PORT_FW_MASK | MT753X_BPDU_EG_TAG_MASK |
+ MT753X_BPDU_PORT_FW_MASK,
+ MT753X_PAE_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+ MT753X_PAE_PORT_FW(MT753X_BPDU_CPU_ONLY) |
+ MT753X_BPDU_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
MT753X_BPDU_CPU_ONLY);
- /* Trap 802.1X PAE frames to the CPU port(s) */
- mt7530_rmw(priv, MT753X_BPC, MT753X_PAE_PORT_FW_MASK,
- MT753X_PAE_PORT_FW(MT753X_BPDU_CPU_ONLY));
-
- /* Trap LLDP frames with :0E MAC DA to the CPU port(s) */
- mt7530_rmw(priv, MT753X_RGAC2, MT753X_R0E_PORT_FW_MASK,
+ /* Trap LLDP frames with :0E MAC DA to the CPU port(s) and egress them
+ * VLAN-untagged.
+ */
+ mt7530_rmw(priv, MT753X_RGAC2, MT753X_R0E_EG_TAG_MASK |
+ MT753X_R0E_PORT_FW_MASK,
+ MT753X_R0E_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
MT753X_R0E_PORT_FW(MT753X_BPDU_CPU_ONLY));
}
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index a71166e0a7fcf..5566c905a4152 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -65,12 +65,18 @@ enum mt753x_id {
/* Registers for BPDU and PAE frame control*/
#define MT753X_BPC 0x24
-#define MT753X_BPDU_PORT_FW_MASK GENMASK(2, 0)
+#define MT753X_PAE_EG_TAG_MASK GENMASK(24, 22)
+#define MT753X_PAE_EG_TAG(x) FIELD_PREP(MT753X_PAE_EG_TAG_MASK, x)
#define MT753X_PAE_PORT_FW_MASK GENMASK(18, 16)
#define MT753X_PAE_PORT_FW(x) FIELD_PREP(MT753X_PAE_PORT_FW_MASK, x)
+#define MT753X_BPDU_EG_TAG_MASK GENMASK(8, 6)
+#define MT753X_BPDU_EG_TAG(x) FIELD_PREP(MT753X_BPDU_EG_TAG_MASK, x)
+#define MT753X_BPDU_PORT_FW_MASK GENMASK(2, 0)
/* Register for :03 and :0E MAC DA frame control */
#define MT753X_RGAC2 0x2c
+#define MT753X_R0E_EG_TAG_MASK GENMASK(24, 22)
+#define MT753X_R0E_EG_TAG(x) FIELD_PREP(MT753X_R0E_EG_TAG_MASK, x)
#define MT753X_R0E_PORT_FW_MASK GENMASK(18, 16)
#define MT753X_R0E_PORT_FW(x) FIELD_PREP(MT753X_R0E_PORT_FW_MASK, x)
@@ -253,6 +259,7 @@ enum mt7530_port_mode {
enum mt7530_vlan_port_eg_tag {
MT7530_VLAN_EG_DISABLED = 0,
MT7530_VLAN_EG_CONSISTENT = 1,
+ MT7530_VLAN_EG_UNTAGGED = 4,
};
enum mt7530_vlan_port_attr {
--
GitLab
From 69ddba9d170bdaee1dc0eb4ced38d7e4bb7b92af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= <arinc.unal@arinc9.com>
Date: Thu, 14 Mar 2024 12:33:42 +0300
Subject: [PATCH 1431/2686] net: dsa: mt7530: fix handling of all link-local
frames
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Currently, the MT753X switches treat frames with :01-0D and :0F MAC DAs as
regular multicast frames, therefore flooding them to user ports.
On page 205, section "8.6.3 Frame filtering" of the active standard, IEEE
Std 802.1Qâ„¢-2022, it is stated that frames with 01:80:C2:00:00:00-0F as MAC
DA must only be propagated to C-VLAN and MAC Bridge components. That means
VLAN-aware and VLAN-unaware bridges. On the switch designs with CPU ports,
these frames are supposed to be processed by the CPU (software). So we make
the switch only forward them to the CPU port. And if received from a CPU
port, forward to a single port. The software is responsible of making the
switch conform to the latter by setting a single port as destination port
on the special tag.
This switch intellectual property cannot conform to this part of the
standard fully. Whilst the REV_UN frame tag covers the remaining :04-0D and
:0F MAC DAs, it also includes :22-FF which the scope of propagation is not
supposed to be restricted for these MAC DAs.
Set frames with :01-03 MAC DAs to be trapped to the CPU port(s). Add a
comment for the remaining MAC DAs.
Note that the ingress port must have a PVID assigned to it for the switch
to forward untagged frames. A PVID is set by default on VLAN-aware and
VLAN-unaware ports. However, when the network interface that pertains to
the ingress port is attached to a vlan_filtering enabled bridge, the user
can remove the PVID assignment from it which would prevent the link-local
frames from being trapped to the CPU port. I am yet to see a way to forward
link-local frames while preventing other untagged frames from being
forwarded too.
Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/dsa/mt7530.c | 37 +++++++++++++++++++++++++++++++++----
drivers/net/dsa/mt7530.h | 13 +++++++++++++
2 files changed, 46 insertions(+), 4 deletions(-)
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 2233f28b9fd19..767f66c37f6b5 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -950,6 +950,21 @@ static void mt7530_setup_port5(struct dsa_switch *ds, phy_interface_t interface)
mutex_unlock(&priv->reg_mutex);
}
+/* On page 205, section "8.6.3 Frame filtering" of the active standard, IEEE Std
+ * 802.1Qâ„¢-2022, it is stated that frames with 01:80:C2:00:00:00-0F as MAC DA
+ * must only be propagated to C-VLAN and MAC Bridge components. That means
+ * VLAN-aware and VLAN-unaware bridges. On the switch designs with CPU ports,
+ * these frames are supposed to be processed by the CPU (software). So we make
+ * the switch only forward them to the CPU port. And if received from a CPU
+ * port, forward to a single port. The software is responsible of making the
+ * switch conform to the latter by setting a single port as destination port on
+ * the special tag.
+ *
+ * This switch intellectual property cannot conform to this part of the standard
+ * fully. Whilst the REV_UN frame tag covers the remaining :04-0D and :0F MAC
+ * DAs, it also includes :22-FF which the scope of propagation is not supposed
+ * to be restricted for these MAC DAs.
+ */
static void
mt753x_trap_frames(struct mt7530_priv *priv)
{
@@ -964,13 +979,27 @@ mt753x_trap_frames(struct mt7530_priv *priv)
MT753X_BPDU_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
MT753X_BPDU_CPU_ONLY);
- /* Trap LLDP frames with :0E MAC DA to the CPU port(s) and egress them
- * VLAN-untagged.
+ /* Trap frames with :01 and :02 MAC DAs to the CPU port(s) and egress
+ * them VLAN-untagged.
+ */
+ mt7530_rmw(priv, MT753X_RGAC1, MT753X_R02_EG_TAG_MASK |
+ MT753X_R02_PORT_FW_MASK | MT753X_R01_EG_TAG_MASK |
+ MT753X_R01_PORT_FW_MASK,
+ MT753X_R02_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+ MT753X_R02_PORT_FW(MT753X_BPDU_CPU_ONLY) |
+ MT753X_R01_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+ MT753X_BPDU_CPU_ONLY);
+
+ /* Trap frames with :03 and :0E MAC DAs to the CPU port(s) and egress
+ * them VLAN-untagged.
*/
mt7530_rmw(priv, MT753X_RGAC2, MT753X_R0E_EG_TAG_MASK |
- MT753X_R0E_PORT_FW_MASK,
+ MT753X_R0E_PORT_FW_MASK | MT753X_R03_EG_TAG_MASK |
+ MT753X_R03_PORT_FW_MASK,
MT753X_R0E_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
- MT753X_R0E_PORT_FW(MT753X_BPDU_CPU_ONLY));
+ MT753X_R0E_PORT_FW(MT753X_BPDU_CPU_ONLY) |
+ MT753X_R03_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+ MT753X_BPDU_CPU_ONLY);
}
static void
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index 5566c905a4152..d17b318e6ee48 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -73,12 +73,25 @@ enum mt753x_id {
#define MT753X_BPDU_EG_TAG(x) FIELD_PREP(MT753X_BPDU_EG_TAG_MASK, x)
#define MT753X_BPDU_PORT_FW_MASK GENMASK(2, 0)
+/* Register for :01 and :02 MAC DA frame control */
+#define MT753X_RGAC1 0x28
+#define MT753X_R02_EG_TAG_MASK GENMASK(24, 22)
+#define MT753X_R02_EG_TAG(x) FIELD_PREP(MT753X_R02_EG_TAG_MASK, x)
+#define MT753X_R02_PORT_FW_MASK GENMASK(18, 16)
+#define MT753X_R02_PORT_FW(x) FIELD_PREP(MT753X_R02_PORT_FW_MASK, x)
+#define MT753X_R01_EG_TAG_MASK GENMASK(8, 6)
+#define MT753X_R01_EG_TAG(x) FIELD_PREP(MT753X_R01_EG_TAG_MASK, x)
+#define MT753X_R01_PORT_FW_MASK GENMASK(2, 0)
+
/* Register for :03 and :0E MAC DA frame control */
#define MT753X_RGAC2 0x2c
#define MT753X_R0E_EG_TAG_MASK GENMASK(24, 22)
#define MT753X_R0E_EG_TAG(x) FIELD_PREP(MT753X_R0E_EG_TAG_MASK, x)
#define MT753X_R0E_PORT_FW_MASK GENMASK(18, 16)
#define MT753X_R0E_PORT_FW(x) FIELD_PREP(MT753X_R0E_PORT_FW_MASK, x)
+#define MT753X_R03_EG_TAG_MASK GENMASK(8, 6)
+#define MT753X_R03_EG_TAG(x) FIELD_PREP(MT753X_R03_EG_TAG_MASK, x)
+#define MT753X_R03_PORT_FW_MASK GENMASK(2, 0)
enum mt753x_bpdu_port_fw {
MT753X_BPDU_FOLLOW_MFC,
--
GitLab
From 7eaf837a4eb5f74561e2486972e7f5184b613f6e Mon Sep 17 00:00:00 2001
From: Quan Tian <tianquan23@gmail.com>
Date: Thu, 7 Mar 2024 01:24:02 +0800
Subject: [PATCH 1432/2686] netfilter: nf_tables: Fix a memory leak in
nf_tables_updchain
If nft_netdev_register_hooks() fails, the memory associated with
nft_stats is not freed, causing a memory leak.
This patch fixes it by moving nft_stats_alloc() down after
nft_netdev_register_hooks() succeeds.
Fixes: b9703ed44ffb ("netfilter: nf_tables: support for adding new devices to an existing netdev chain")
Signed-off-by: Quan Tian <tianquan23@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 27 ++++++++++++++-------------
1 file changed, 14 insertions(+), 13 deletions(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 984c1c83ee38c..5fa3d3540c93c 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2631,19 +2631,6 @@ static int nf_tables_updchain(struct nft_ctx *ctx, u8 genmask, u8 policy,
}
}
- if (nla[NFTA_CHAIN_COUNTERS]) {
- if (!nft_is_base_chain(chain)) {
- err = -EOPNOTSUPP;
- goto err_hooks;
- }
-
- stats = nft_stats_alloc(nla[NFTA_CHAIN_COUNTERS]);
- if (IS_ERR(stats)) {
- err = PTR_ERR(stats);
- goto err_hooks;
- }
- }
-
if (!(table->flags & NFT_TABLE_F_DORMANT) &&
nft_is_base_chain(chain) &&
!list_empty(&hook.list)) {
@@ -2658,6 +2645,20 @@ static int nf_tables_updchain(struct nft_ctx *ctx, u8 genmask, u8 policy,
}
unregister = true;
+
+ if (nla[NFTA_CHAIN_COUNTERS]) {
+ if (!nft_is_base_chain(chain)) {
+ err = -EOPNOTSUPP;
+ goto err_hooks;
+ }
+
+ stats = nft_stats_alloc(nla[NFTA_CHAIN_COUNTERS]);
+ if (IS_ERR(stats)) {
+ err = PTR_ERR(stats);
+ goto err_hooks;
+ }
+ }
+
err = -ENOMEM;
trans = nft_trans_alloc(ctx, NFT_MSG_NEWCHAIN,
sizeof(struct nft_trans_chain));
--
GitLab
From 1e21acb7fbfb15fcb4afe21fb5a50a1bc00743ec Mon Sep 17 00:00:00 2001
From: Artur Rojek <contact@artur-rojek.eu>
Date: Sun, 11 Feb 2024 20:34:51 +0100
Subject: [PATCH 1433/2686] sh: hd64461: Make setup_hd64461() static
Enforce internal linkage for setup_hd64461().
This fixes the following error:
arch/sh/cchips/hd6446x/hd64461.c:75:12: error: no previous prototype for 'setup_hd64461' [-Werror=missing-prototypes]
Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20240211193451.106795-1-contact@artur-rojek.eu
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
---
arch/sh/cchips/hd6446x/hd64461.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/cchips/hd6446x/hd64461.c b/arch/sh/cchips/hd6446x/hd64461.c
index f3fba967445ac..81764882d87d3 100644
--- a/arch/sh/cchips/hd6446x/hd64461.c
+++ b/arch/sh/cchips/hd6446x/hd64461.c
@@ -72,7 +72,7 @@ static void hd64461_irq_demux(struct irq_desc *desc)
}
}
-int __init setup_hd64461(void)
+static int __init setup_hd64461(void)
{
int irq_base, i;
--
GitLab
From b5048d27872a9734d142540ea23c3e897e47e05c Mon Sep 17 00:00:00 2001
From: Florian Westphal <fw@strlen.de>
Date: Tue, 19 Mar 2024 13:11:54 +0100
Subject: [PATCH 1434/2686] MAINTAINERS: step down as netfilter maintainer
I do not feel that I'm up to the task anymore.
I hope this to be a temporary emergeny measure, but for now I'm sure this
is the best course of action for me.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240319121223.24474-1-fw@strlen.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
MAINTAINERS | 1 -
1 file changed, 1 deletion(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 54775eaaf7b37..24b4f59d3ceb1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15164,7 +15164,6 @@ F: drivers/net/ethernet/neterion/
NETFILTER
M: Pablo Neira Ayuso <pablo@netfilter.org>
M: Jozsef Kadlecsik <kadlec@netfilter.org>
-M: Florian Westphal <fw@strlen.de>
L: netfilter-devel@vger.kernel.org
L: coreteam@netfilter.org
S: Maintained
--
GitLab
From a20ad45008a7c82f1184dc6dee280096009ece55 Mon Sep 17 00:00:00 2001
From: Fei Shao <fshao@chromium.org>
Date: Thu, 21 Mar 2024 15:08:57 +0800
Subject: [PATCH 1435/2686] spi: spi-mt65xx: Fix NULL pointer access in
interrupt handler
The TX buffer in spi_transfer can be a NULL pointer, so the interrupt
handler may end up writing to the invalid memory and cause crashes.
Add a check to trans->tx_buf before using it.
Fixes: 1ce24864bff4 ("spi: mediatek: Only do dma for 4-byte aligned buffers")
Signed-off-by: Fei Shao <fshao@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://msgid.link/r/20240321070942.1587146-2-fshao@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-mt65xx.c | 22 ++++++++++++----------
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 8d4633b353eef..e4cb22fe00752 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -788,17 +788,19 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
mdata->xfer_len = min(MTK_SPI_MAX_FIFO_SIZE, len);
mtk_spi_setup_packet(host);
- cnt = mdata->xfer_len / 4;
- iowrite32_rep(mdata->base + SPI_TX_DATA_REG,
- trans->tx_buf + mdata->num_xfered, cnt);
+ if (trans->tx_buf) {
+ cnt = mdata->xfer_len / 4;
+ iowrite32_rep(mdata->base + SPI_TX_DATA_REG,
+ trans->tx_buf + mdata->num_xfered, cnt);
- remainder = mdata->xfer_len % 4;
- if (remainder > 0) {
- reg_val = 0;
- memcpy(®_val,
- trans->tx_buf + (cnt * 4) + mdata->num_xfered,
- remainder);
- writel(reg_val, mdata->base + SPI_TX_DATA_REG);
+ remainder = mdata->xfer_len % 4;
+ if (remainder > 0) {
+ reg_val = 0;
+ memcpy(®_val,
+ trans->tx_buf + (cnt * 4) + mdata->num_xfered,
+ remainder);
+ writel(reg_val, mdata->base + SPI_TX_DATA_REG);
+ }
}
mtk_spi_enable_transfer(host);
--
GitLab
From e4137851d4863a9bdc6aabc613bcb46c06d91e64 Mon Sep 17 00:00:00 2001
From: Ido Schimmel <idosch@nvidia.com>
Date: Wed, 20 Mar 2024 08:57:17 +0200
Subject: [PATCH 1436/2686] selftests: forwarding: Fix ping failure due to
short timeout
The tests send 100 pings in 0.1 second intervals and force a timeout of
11 seconds, which is borderline (especially on debug kernels), resulting
in random failures in netdev CI [1].
Fix by increasing the timeout to 20 seconds. It should not prolong the
test unless something is wrong, in which case the test will rightfully
fail.
[1]
# selftests: net/forwarding: vxlan_bridge_1d_port_8472_ipv6.sh
# INFO: Running tests with UDP port 8472
# TEST: ping: local->local [ OK ]
# TEST: ping: local->remote 1 [FAIL]
# Ping failed
[...]
Fixes: b07e9957f220 ("selftests: forwarding: Add VxLAN tests with a VLAN-unaware bridge for IPv6")
Fixes: 728b35259e28 ("selftests: forwarding: Add VxLAN tests with a VLAN-aware bridge for IPv6")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Closes: https://lore.kernel.org/netdev/24a7051fdcd1f156c3704bca39e4b3c41dfc7c4b.camel@redhat.com/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240320065717.4145325-1-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
.../testing/selftests/net/forwarding/vxlan_bridge_1d_ipv6.sh | 4 ++--
.../testing/selftests/net/forwarding/vxlan_bridge_1q_ipv6.sh | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d_ipv6.sh b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d_ipv6.sh
index a0bb4524e1e9c..a603f7b0a08f0 100755
--- a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d_ipv6.sh
+++ b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d_ipv6.sh
@@ -354,7 +354,7 @@ __ping_ipv4()
# Send 100 packets and verify that at least 100 packets hit the rule,
# to overcome ARP noise.
- PING_COUNT=100 PING_TIMEOUT=11 ping_do $dev $dst_ip
+ PING_COUNT=100 PING_TIMEOUT=20 ping_do $dev $dst_ip
check_err $? "Ping failed"
tc_check_at_least_x_packets "dev $rp1 egress" 101 10 100
@@ -410,7 +410,7 @@ __ping_ipv6()
# Send 100 packets and verify that at least 100 packets hit the rule,
# to overcome neighbor discovery noise.
- PING_COUNT=100 PING_TIMEOUT=11 ping6_do $dev $dst_ip
+ PING_COUNT=100 PING_TIMEOUT=20 ping6_do $dev $dst_ip
check_err $? "Ping failed"
tc_check_at_least_x_packets "dev $rp1 egress" 101 100
diff --git a/tools/testing/selftests/net/forwarding/vxlan_bridge_1q_ipv6.sh b/tools/testing/selftests/net/forwarding/vxlan_bridge_1q_ipv6.sh
index d880df89bc8bd..e83fde79f40d0 100755
--- a/tools/testing/selftests/net/forwarding/vxlan_bridge_1q_ipv6.sh
+++ b/tools/testing/selftests/net/forwarding/vxlan_bridge_1q_ipv6.sh
@@ -457,7 +457,7 @@ __ping_ipv4()
# Send 100 packets and verify that at least 100 packets hit the rule,
# to overcome ARP noise.
- PING_COUNT=100 PING_TIMEOUT=11 ping_do $dev $dst_ip
+ PING_COUNT=100 PING_TIMEOUT=20 ping_do $dev $dst_ip
check_err $? "Ping failed"
tc_check_at_least_x_packets "dev $rp1 egress" 101 10 100
@@ -522,7 +522,7 @@ __ping_ipv6()
# Send 100 packets and verify that at least 100 packets hit the rule,
# to overcome neighbor discovery noise.
- PING_COUNT=100 PING_TIMEOUT=11 ping6_do $dev $dst_ip
+ PING_COUNT=100 PING_TIMEOUT=20 ping6_do $dev $dst_ip
check_err $? "Ping failed"
tc_check_at_least_x_packets "dev $rp1 egress" 101 100
--
GitLab
From bfb1ad3c6aab2341ace13222ac0a78e5b4c239c8 Mon Sep 17 00:00:00 2001
From: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Date: Mon, 18 Mar 2024 17:59:14 +0900
Subject: [PATCH 1437/2686] firewire: core: add memo about the caller of show
functions for device attributes
In the case of firewire core function, the caller of show functions for
device attributes is not only sysfs user, but also device initialization.
This commit adds memo about it against the typical assumption that the
functions are just dedicated to sysfs user.
Link: https://lore.kernel.org/lkml/20240318091759.678326-1-o-takashi@sakamocchi.jp/
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
---
drivers/firewire/core-device.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index f208a02d0ebf7..e6cdb905eeaca 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -322,6 +322,7 @@ static ssize_t show_immediate(struct device *dev,
if (value < 0)
return -ENOENT;
+ // Note that this function is also called by init_fw_attribute_group() with NULL pointer.
return buf ? sysfs_emit(buf, "0x%06x\n", value) : 0;
}
@@ -357,6 +358,7 @@ static ssize_t show_text_leaf(struct device *dev,
}
}
+ // Note that this function is also called by init_fw_attribute_group() with NULL pointer.
if (buf) {
bufsize = PAGE_SIZE - 1;
} else {
--
GitLab
From 2aea94ac14d1e0a8ae9e34febebe208213ba72f7 Mon Sep 17 00:00:00 2001
From: Max Filippov <jcmvbkbc@gmail.com>
Date: Wed, 20 Mar 2024 11:26:07 -0700
Subject: [PATCH 1438/2686] exec: Fix NOMMU linux_binprm::exec in
transfer_args_to_stack()
In NOMMU kernel the value of linux_binprm::p is the offset inside the
temporary program arguments array maintained in separate pages in the
linux_binprm::page. linux_binprm::exec being a copy of linux_binprm::p
thus must be adjusted when that array is copied to the user stack.
Without that adjustment the value passed by the NOMMU kernel to the ELF
program in the AT_EXECFN entry of the aux array doesn't make any sense
and it may break programs that try to access memory pointed to by that
entry.
Adjust linux_binprm::exec before the successful return from the
transfer_args_to_stack().
Cc: <stable@vger.kernel.org>
Fixes: b6a2fea39318 ("mm: variable length argument support")
Fixes: 5edc2a5123a7 ("binfmt_elf_fdpic: wire up AT_EXECFD, AT_EXECFN, AT_SECURE")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Link: https://lore.kernel.org/r/20240320182607.1472887-1-jcmvbkbc@gmail.com
Signed-off-by: Kees Cook <keescook@chromium.org>
---
fs/exec.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/exec.c b/fs/exec.c
index e7d9d6ad980bd..f666398205800 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -895,6 +895,7 @@ int transfer_args_to_stack(struct linux_binprm *bprm,
goto out;
}
+ bprm->exec += *sp_location - MAX_ARG_PAGES * PAGE_SIZE;
*sp_location = sp;
out:
--
GitLab
From b4d78cfeb30476239cf08f4f40afc095c173d6e3 Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Thu, 21 Mar 2024 17:48:45 +0100
Subject: [PATCH 1439/2686] dm-integrity: align the outgoing bio in
integrity_recheck
It is possible to set up dm-integrity with smaller sector size than
the logical sector size of the underlying device. In this situation,
dm-integrity guarantees that the outgoing bios have the same alignment as
incoming bios (so, if you create a filesystem with 4k block size,
dm-integrity would send 4k-aligned bios to the underlying device).
This guarantee was broken when integrity_recheck was implemented.
integrity_recheck sends bio that is aligned to ic->sectors_per_block. So
if we set up integrity with 512-byte sector size on a device with logical
block size 4k, we would be sending unaligned bio. This triggered a bug in
one of our internal tests.
This commit fixes it by determining the actual alignment of the
incoming bio and then makes sure that the outgoing bio in
integrity_recheck has the same alignment.
Fixes: c88f5e553fe3 ("dm-integrity: recheck the integrity tag after a failure")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
---
drivers/md/dm-integrity.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 3329e1e935248..37b9f8f1ae1a2 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -1699,7 +1699,6 @@ static noinline void integrity_recheck(struct dm_integrity_io *dio, char *checks
struct bio_vec bv;
sector_t sector, logical_sector, area, offset;
struct page *page;
- void *buffer;
get_area_and_offset(ic, dio->range.logical_sector, &area, &offset);
dio->metadata_block = get_metadata_sector_and_offset(ic, area, offset,
@@ -1708,13 +1707,14 @@ static noinline void integrity_recheck(struct dm_integrity_io *dio, char *checks
logical_sector = dio->range.logical_sector;
page = mempool_alloc(&ic->recheck_pool, GFP_NOIO);
- buffer = page_to_virt(page);
__bio_for_each_segment(bv, bio, iter, dio->bio_details.bi_iter) {
unsigned pos = 0;
do {
+ sector_t alignment;
char *mem;
+ char *buffer = page_to_virt(page);
int r;
struct dm_io_request io_req;
struct dm_io_region io_loc;
@@ -1727,6 +1727,14 @@ static noinline void integrity_recheck(struct dm_integrity_io *dio, char *checks
io_loc.sector = sector;
io_loc.count = ic->sectors_per_block;
+ /* Align the bio to logical block size */
+ alignment = dio->range.logical_sector | bio_sectors(bio) | (PAGE_SIZE >> SECTOR_SHIFT);
+ alignment &= -alignment;
+ io_loc.sector = round_down(io_loc.sector, alignment);
+ io_loc.count += sector - io_loc.sector;
+ buffer += (sector - io_loc.sector) << SECTOR_SHIFT;
+ io_loc.count = round_up(io_loc.count, alignment);
+
r = dm_io(&io_req, 1, &io_loc, NULL, IOPRIO_DEFAULT);
if (unlikely(r)) {
dio->bi_status = errno_to_blk_status(r);
--
GitLab
From 1e1c4bd16e385f0b1b39920ce3aa16bb33fcdb27 Mon Sep 17 00:00:00 2001
From: Guixin Liu <kanie@linux.alibaba.com>
Date: Wed, 20 Mar 2024 17:19:49 +0800
Subject: [PATCH 1440/2686] nvme: remove redundant BUILD_BUG_ON check
Remove redundant BUILD_BUG_ON check of struct nvme_dsm_range, it's
already checked in nvme_init_ctrl().
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/core.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index fb55b6ac03856..2120059337829 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1803,9 +1803,6 @@ static void nvme_config_discard(struct nvme_ns *ns, struct queue_limits *lim)
{
struct nvme_ctrl *ctrl = ns->ctrl;
- BUILD_BUG_ON(PAGE_SIZE / sizeof(struct nvme_dsm_range) <
- NVME_DSM_MAX_RANGES);
-
if (ctrl->dmrsl && ctrl->dmrsl <= nvme_sect_to_lba(ns->head, UINT_MAX))
lim->max_hw_discard_sectors =
nvme_lba_to_sect(ns->head, ctrl->dmrsl);
--
GitLab
From 910934da9444dbb102294796481ab05e4419d311 Mon Sep 17 00:00:00 2001
From: Guixin Liu <kanie@linux.alibaba.com>
Date: Wed, 20 Mar 2024 19:08:21 +0800
Subject: [PATCH 1441/2686] nvmet-rdma: remove NVMET_RDMA_REQ_INVALIDATE_RKEY
flag
We can simply use invalidate_rkey to check instead of adding a flag.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/target/rdma.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index f2bb9d95ecf4b..5b8c63e74639d 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -53,7 +53,6 @@ struct nvmet_rdma_cmd {
enum {
NVMET_RDMA_REQ_INLINE_DATA = (1 << 0),
- NVMET_RDMA_REQ_INVALIDATE_RKEY = (1 << 1),
};
struct nvmet_rdma_rsp {
@@ -722,7 +721,7 @@ static void nvmet_rdma_queue_response(struct nvmet_req *req)
struct rdma_cm_id *cm_id = rsp->queue->cm_id;
struct ib_send_wr *first_wr;
- if (rsp->flags & NVMET_RDMA_REQ_INVALIDATE_RKEY) {
+ if (rsp->invalidate_rkey) {
rsp->send_wr.opcode = IB_WR_SEND_WITH_INV;
rsp->send_wr.ex.invalidate_rkey = rsp->invalidate_rkey;
} else {
@@ -905,10 +904,8 @@ static u16 nvmet_rdma_map_sgl_keyed(struct nvmet_rdma_rsp *rsp,
goto error_out;
rsp->n_rdma += ret;
- if (invalidate) {
+ if (invalidate)
rsp->invalidate_rkey = key;
- rsp->flags |= NVMET_RDMA_REQ_INVALIDATE_RKEY;
- }
return 0;
@@ -1047,6 +1044,7 @@ static void nvmet_rdma_recv_done(struct ib_cq *cq, struct ib_wc *wc)
rsp->req.cmd = cmd->nvme_cmd;
rsp->req.port = queue->port;
rsp->n_rdma = 0;
+ rsp->invalidate_rkey = 0;
if (unlikely(queue->state != NVMET_RDMA_Q_LIVE)) {
unsigned long flags;
--
GitLab
From ddb2ffdc474a3000887dc776b971d04bde29decc Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@kernel.org>
Date: Thu, 21 Mar 2024 13:01:58 -0300
Subject: [PATCH 1442/2686] libbpf: Define MFD_CLOEXEC if not available
Since its going directly to the syscall to avoid not having
memfd_create() available in some systems, do the same for its
MFD_CLOEXEC flags, defining it if not available.
This fixes the build in those systems, noticed while building perf on a
set of build containers.
Fixes: 9fa5e1a180aa639f ("libbpf: Call memfd_create() syscall directly")
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/ZfxZ9nCyKvwmpKkE@x1
---
tools/lib/bpf/libbpf.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 1e3e697b98bca..a2061fcd612d7 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -1650,6 +1650,10 @@ static int sys_memfd_create(const char *name, unsigned flags)
return syscall(__NR_memfd_create, name, flags);
}
+#ifndef MFD_CLOEXEC
+#define MFD_CLOEXEC 0x0001U
+#endif
+
static int create_placeholder_fd(void)
{
int fd;
--
GitLab
From 763865fed8641920791580901a7dd1f100aa9452 Mon Sep 17 00:00:00 2001
From: Li Zhijian <lizhijian@fujitsu.com>
Date: Tue, 19 Mar 2024 17:23:33 +0800
Subject: [PATCH 1443/2686] fbdev: panel-tpo-td043mtea1: Convert sprintf() to
sysfs_emit()
Per filesystems/sysfs.rst, show() should only use sysfs_emit()
or sysfs_emit_at() when formatting the value to be returned to user space.
coccinelle complains that there are still a couple of functions that use
snprintf(). Convert them to sysfs_emit().
CC: Helge Deller <deller@gmx.de>
CC: linux-omap@vger.kernel.org
CC: linux-fbdev@vger.kernel.org
CC: dri-devel@lists.freedesktop.org
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Helge Deller <deller@gmx.de>
---
.../omap2/omapfb/displays/panel-tpo-td043mtea1.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c
index 477789cff8e08..d487941853e64 100644
--- a/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c
+++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c
@@ -225,17 +225,12 @@ static ssize_t tpo_td043_gamma_show(struct device *dev,
{
struct panel_drv_data *ddata = dev_get_drvdata(dev);
ssize_t len = 0;
- int ret;
int i;
- for (i = 0; i < ARRAY_SIZE(ddata->gamma); i++) {
- ret = snprintf(buf + len, PAGE_SIZE - len, "%u ",
- ddata->gamma[i]);
- if (ret < 0)
- return ret;
- len += ret;
- }
- buf[len - 1] = '\n';
+ for (i = 0; i < ARRAY_SIZE(ddata->gamma); i++)
+ len += sysfs_emit_at(buf, len, "%u ", ddata->gamma[i]);
+ if (len)
+ buf[len - 1] = '\n';
return len;
}
--
GitLab
From a26979377bf34534ce5ee2712d2a46157ec61498 Mon Sep 17 00:00:00 2001
From: Mukesh Kumar Chaurasiya <mchauras@linux.ibm.com>
Date: Wed, 20 Mar 2024 23:08:16 +0530
Subject: [PATCH 1444/2686] sched/doc: Update documentation for base_slice_ns
and CONFIG_HZ relation
The tunable base_slice_ns is dependent on CONFIG_HZ (i.e. TICK_NSEC)
for any significant performance improvement. The reason being the
scheduler tick is not frequent enough to force preemption when
base_slice expires in case of:
base_slice_ns < TICK_NSEC
The below data is of stress-ng:
Number of CPU: 1
Stressor threads: 4
Time: 30sec
On CONFIG_HZ=1000
| base_slice | avg-run (msec) | context-switches |
| ---------- | -------------- | ---------------- |
| 3ms | 2.914 | 10342 |
| 6ms | 4.857 | 6196 |
| 9ms | 6.754 | 4482 |
| 12ms | 7.872 | 3802 |
| 22ms | 11.294 | 2710 |
| 32ms | 13.425 | 2284 |
On CONFIG_HZ=100
| base_slice | avg-run (msec) | context-switches |
| ---------- | -------------- | ---------------- |
| 3ms | 9.144 | 3337 |
| 6ms | 9.113 | 3301 |
| 9ms | 8.991 | 3315 |
| 12ms | 12.935 | 2328 |
| 22ms | 16.031 | 1915 |
| 32ms | 18.608 | 1622 |
base_slice: the value of base_slice in ms
avg-run (msec): average time of the stressor threads got on cpu before
it got preempted
context-switches: number of context switches for the stress-ng process
Signed-off-by: Mukesh Kumar Chaurasiya <mchauras@linux.ibm.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20240320173815.927637-2-mchauras@linux.ibm.com
---
Documentation/scheduler/sched-design-CFS.rst | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/scheduler/sched-design-CFS.rst b/Documentation/scheduler/sched-design-CFS.rst
index 6cffffe265006..e030876fbd689 100644
--- a/Documentation/scheduler/sched-design-CFS.rst
+++ b/Documentation/scheduler/sched-design-CFS.rst
@@ -100,6 +100,9 @@ which can be used to tune the scheduler from "desktop" (i.e., low latencies) to
"server" (i.e., good batching) workloads. It defaults to a setting suitable
for desktop workloads. SCHED_BATCH is handled by the CFS scheduler module too.
+In case CONFIG_HZ results in base_slice_ns < TICK_NSEC, the value of
+base_slice_ns will have little to no impact on the workloads.
+
Due to its design, the CFS scheduler is not prone to any of the "attacks" that
exist today against the heuristics of the stock scheduler: fiftyp.c, thud.c,
chew.c, ring-test.c, massive_intr.c all work fine and do not impact
--
GitLab
From 5248f4097308c1cdcf163314a6ea3c8c88c98cd9 Mon Sep 17 00:00:00 2001
From: Justin Stitt <justinstitt@google.com>
Date: Thu, 21 Mar 2024 20:04:08 +0000
Subject: [PATCH 1445/2686] binfmt: replace deprecated strncpy
strncpy() is deprecated for use on NUL-terminated destination strings
[1] and as such we should prefer more robust and less ambiguous string
interfaces.
There is a _nearly_ identical implementation of fill_psinfo present in
binfmt_elf.c -- except that one uses get_task_comm over strncpy(). Let's
mirror that in binfmt_elf_fdpic.c
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://github.com/KSPP/linux/issues/90
Cc: <linux-hardening@vger.kernel.org>
Signed-off-by: Justin Stitt <justinstitt@google.com>
Link: https://lore.kernel.org/r/20240321-strncpy-fs-binfmt_elf_fdpic-c-v2-1-0b6daec6cc56@google.com
Signed-off-by: Kees Cook <keescook@chromium.org>
---
fs/binfmt_elf_fdpic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 1920ed69279b5..3314249e86747 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1359,7 +1359,7 @@ static int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,
SET_UID(psinfo->pr_uid, from_kuid_munged(cred->user_ns, cred->uid));
SET_GID(psinfo->pr_gid, from_kgid_munged(cred->user_ns, cred->gid));
rcu_read_unlock();
- strncpy(psinfo->pr_fname, p->comm, sizeof(psinfo->pr_fname));
+ get_task_comm(psinfo->pr_fname, p);
return 0;
}
--
GitLab
From fc7f27cda843ce294c71767d42b9d8abd015d7cb Mon Sep 17 00:00:00 2001
From: Dave Young <dyoung@redhat.com>
Date: Fri, 22 Mar 2024 13:15:08 +0800
Subject: [PATCH 1446/2686] x86/kexec: Do not update E820 kexec table for
setup_data
crashkernel reservation failed on a Thinkpad t440s laptop recently.
Actually the memblock reservation succeeded, but later insert_resource()
failed.
Test steps:
kexec load -> /* make sure add crashkernel param eg. crashkernel=160M */
kexec reboot ->
dmesg|grep "crashkernel reserved";
crashkernel memory range like below reserved successfully:
0x00000000d0000000 - 0x00000000da000000
But no such "Crash kernel" region in /proc/iomem
The background story:
Currently the E820 code reserves setup_data regions for both the current
kernel and the kexec kernel, and it inserts them into the resources list.
Before the kexec kernel reboots nobody passes the old setup_data, and
kexec only passes fresh SETUP_EFI/SETUP_IMA/SETUP_RNG_SEED if needed.
Thus the old setup data memory is not used at all.
Due to old kernel updates the kexec e820 table as well so kexec kernel
sees them as E820_TYPE_RESERVED_KERN regions, and later the old setup_data
regions are inserted into resources list in the kexec kernel by
e820__reserve_resources().
Note, due to no setup_data is passed in for those old regions they are not
early reserved (by function early_reserve_memory), and the crashkernel
memblock reservation will just treat them as usable memory and it could
reserve the crashkernel region which overlaps with the old setup_data
regions. And just like the bug I noticed here, kdump insert_resource
failed because e820__reserve_resources has added the overlapped chunks
in /proc/iomem already.
Finally, looking at the code, the old setup_data regions are not used
at all as no setup_data is passed in by the kexec boot loader. Although
something like SETUP_PCI etc could be needed, kexec should pass
the info as new setup_data so that kexec kernel can take care of them.
This should be taken care of in other separate patches if needed.
Thus drop the useless buggy code here.
Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Bohac <jbohac@suse.cz>
Cc: Eric DeVolder <eric.devolder@oracle.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Link: https://lore.kernel.org/r/Zf0T3HCG-790K-pZ@darkstar.users.ipa.redhat.com
---
arch/x86/kernel/e820.c | 17 +----------------
1 file changed, 1 insertion(+), 16 deletions(-)
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index b66f540de054a..6f1b379e3b385 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1016,17 +1016,6 @@ void __init e820__reserve_setup_data(void)
e820__range_update(pa_data, sizeof(*data)+data->len, E820_TYPE_RAM, E820_TYPE_RESERVED_KERN);
- /*
- * SETUP_EFI, SETUP_IMA and SETUP_RNG_SEED are supplied by
- * kexec and do not need to be reserved.
- */
- if (data->type != SETUP_EFI &&
- data->type != SETUP_IMA &&
- data->type != SETUP_RNG_SEED)
- e820__range_update_kexec(pa_data,
- sizeof(*data) + data->len,
- E820_TYPE_RAM, E820_TYPE_RESERVED_KERN);
-
if (data->type == SETUP_INDIRECT) {
len += data->len;
early_memunmap(data, sizeof(*data));
@@ -1038,12 +1027,9 @@ void __init e820__reserve_setup_data(void)
indirect = (struct setup_indirect *)data->data;
- if (indirect->type != SETUP_INDIRECT) {
+ if (indirect->type != SETUP_INDIRECT)
e820__range_update(indirect->addr, indirect->len,
E820_TYPE_RAM, E820_TYPE_RESERVED_KERN);
- e820__range_update_kexec(indirect->addr, indirect->len,
- E820_TYPE_RAM, E820_TYPE_RESERVED_KERN);
- }
}
pa_data = pa_next;
@@ -1051,7 +1037,6 @@ void __init e820__reserve_setup_data(void)
}
e820__update_table(e820_table);
- e820__update_table(e820_table_kexec);
pr_info("extended physical RAM map:\n");
e820__print_table("reserve setup_data");
--
GitLab
From d24b03535e5eb82e025219c2f632b485409c898f Mon Sep 17 00:00:00 2001
From: Ryosuke Yasuoka <ryasuoka@redhat.com>
Date: Wed, 20 Mar 2024 09:54:10 +0900
Subject: [PATCH 1447/2686] nfc: nci: Fix uninit-value in nci_dev_up and
nci_ntf_packet
syzbot reported the following uninit-value access issue [1][2]:
nci_rx_work() parses and processes received packet. When the payload
length is zero, each message type handler reads uninitialized payload
and KMSAN detects this issue. The receipt of a packet with a zero-size
payload is considered unexpected, and therefore, such packets should be
silently discarded.
This patch resolved this issue by checking payload size before calling
each message type handler codes.
Fixes: 6a2968aaf50c ("NFC: basic NCI protocol implementation")
Reported-and-tested-by: syzbot+7ea9413ea6749baf5574@syzkaller.appspotmail.com
Reported-and-tested-by: syzbot+29b5ca705d2e0f4a44d2@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=7ea9413ea6749baf5574 [1]
Closes: https://syzkaller.appspot.com/bug?extid=29b5ca705d2e0f4a44d2 [2]
Signed-off-by: Ryosuke Yasuoka <ryasuoka@redhat.com>
Reviewed-by: Jeremy Cline <jeremy@jcline.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/nfc/nci/core.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index cdad47b140fa4..0d26c8ec9993e 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -1516,6 +1516,11 @@ static void nci_rx_work(struct work_struct *work)
nfc_send_to_raw_sock(ndev->nfc_dev, skb,
RAW_PAYLOAD_NCI, NFC_DIRECTION_RX);
+ if (!nci_plen(skb->data)) {
+ kfree_skb(skb);
+ break;
+ }
+
/* Process frame */
switch (nci_mt(skb->data)) {
case NCI_MT_RSP_PKT:
--
GitLab
From e3f269ed0accbb22aa8f25d2daffa23c3fccd407 Mon Sep 17 00:00:00 2001
From: Anton Altaparmakov <anton@tuxera.com>
Date: Thu, 14 Mar 2024 14:26:56 +0000
Subject: [PATCH 1448/2686] x86/pm: Work around false positive kmemleak report
in msr_build_context()
Since:
7ee18d677989 ("x86/power: Make restore_processor_context() sane")
kmemleak reports this issue:
unreferenced object 0xf68241e0 (size 32):
comm "swapper/0", pid 1, jiffies 4294668610 (age 68.432s)
hex dump (first 32 bytes):
00 cc cc cc 29 10 01 c0 00 00 00 00 00 00 00 00 ....)...........
00 42 82 f6 cc cc cc cc cc cc cc cc cc cc cc cc .B..............
backtrace:
[<461c1d50>] __kmem_cache_alloc_node+0x106/0x260
[<ea65e13b>] __kmalloc+0x54/0x160
[<c3858cd2>] msr_build_context.constprop.0+0x35/0x100
[<46635aff>] pm_check_save_msr+0x63/0x80
[<6b6bb938>] do_one_initcall+0x41/0x1f0
[<3f3add60>] kernel_init_freeable+0x199/0x1e8
[<3b538fde>] kernel_init+0x1a/0x110
[<938ae2b2>] ret_from_fork+0x1c/0x28
Which is a false positive.
Reproducer:
- Run rsync of whole kernel tree (multiple times if needed).
- start a kmemleak scan
- Note this is just an example: a lot of our internal tests hit these.
The root cause is similar to the fix in:
b0b592cf0836 x86/pm: Fix false positive kmemleak report in msr_build_context()
ie. the alignment within the packed struct saved_context
which has everything unaligned as there is only "u16 gs;" at start of
struct where in the past there were four u16 there thus aligning
everything afterwards. The issue is with the fact that Kmemleak only
searches for pointers that are aligned (see how pointers are scanned in
kmemleak.c) so when the struct members are not aligned it doesn't see
them.
Testing:
We run a lot of tests with our CI, and after applying this fix we do not
see any kmemleak issues any more whilst without it we see hundreds of
the above report. From a single, simple test run consisting of 416 individual test
cases on kernel 5.10 x86 with kmemleak enabled we got 20 failures due to this,
which is quite a lot. With this fix applied we get zero kmemleak related failures.
Fixes: 7ee18d677989 ("x86/power: Make restore_processor_context() sane")
Signed-off-by: Anton Altaparmakov <anton@tuxera.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: stable@vger.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240314142656.17699-1-anton@tuxera.com
---
arch/x86/include/asm/suspend_32.h | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/x86/include/asm/suspend_32.h b/arch/x86/include/asm/suspend_32.h
index a800abb1a9925..d8416b3bf832e 100644
--- a/arch/x86/include/asm/suspend_32.h
+++ b/arch/x86/include/asm/suspend_32.h
@@ -12,11 +12,6 @@
/* image of the saved processor state */
struct saved_context {
- /*
- * On x86_32, all segment registers except gs are saved at kernel
- * entry in pt_regs.
- */
- u16 gs;
unsigned long cr0, cr2, cr3, cr4;
u64 misc_enable;
struct saved_msrs saved_msrs;
@@ -27,6 +22,11 @@ struct saved_context {
unsigned long tr;
unsigned long safety;
unsigned long return_address;
+ /*
+ * On x86_32, all segment registers except gs are saved at kernel
+ * entry in pt_regs.
+ */
+ u16 gs;
bool misc_enable_saved;
} __attribute__((packed));
--
GitLab
From 4e51653d5d871f40f1bd5cf95cc7f2d8b33d063b Mon Sep 17 00:00:00 2001
From: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Date: Fri, 15 Mar 2024 00:17:30 +0900
Subject: [PATCH 1449/2686] kprobes/x86: Use copy_from_kernel_nofault() to read
from unsafe address
Read from an unsafe address with copy_from_kernel_nofault() in
arch_adjust_kprobe_addr() because this function is used before checking
the address is in text or not. Syzcaller bot found a bug and reported
the case if user specifies inaccessible data area,
arch_adjust_kprobe_addr() will cause a kernel panic.
[ mingo: Clarified the comment. ]
Fixes: cc66bb914578 ("x86/ibt,kprobes: Cure sym+0 equals fentry woes")
Reported-by: Qiang Zhang <zzqq0103.hey@gmail.com>
Tested-by: Jinghao Jia <jinghao7@illinois.edu>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/171042945004.154897.2221804961882915806.stgit@devnote2
---
arch/x86/kernel/kprobes/core.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index 091b3ab76a180..d0e49bd7c6f3f 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -373,7 +373,16 @@ static bool can_probe(unsigned long paddr)
kprobe_opcode_t *arch_adjust_kprobe_addr(unsigned long addr, unsigned long offset,
bool *on_func_entry)
{
- if (is_endbr(*(u32 *)addr)) {
+ u32 insn;
+
+ /*
+ * Since 'addr' is not guaranteed to be safe to access, use
+ * copy_from_kernel_nofault() to read the instruction:
+ */
+ if (copy_from_kernel_nofault(&insn, (void *)addr, sizeof(u32)))
+ return NULL;
+
+ if (is_endbr(insn)) {
*on_func_entry = !offset || offset == 4;
if (*on_func_entry)
offset = 4;
--
GitLab
From 02545bc57512b7660625e454e60e3fb0d07f660d Mon Sep 17 00:00:00 2001
From: Brent Lu <brent.lu@intel.com>
Date: Mon, 27 Nov 2023 14:06:56 +0200
Subject: [PATCH 1450/2686] ALSA: hda: intel-nhlt: add
intel_nhlt_ssp_device_type() function
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add a helper function intel_nhlt_ssp_device_type() to detect the type
of specific SSP port. The result is nhlt_device_type enum type which
could be NHLT_DEVICE_BT or NHLT_DEVICE_I2S.
Signed-off-by: Brent Lu <brent.lu@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Message-ID: <20231127120657.19764-2-peter.ujfalusi@linux.intel.com>
---
include/sound/intel-nhlt.h | 10 ++++++++++
sound/hda/intel-nhlt.c | 26 ++++++++++++++++++++++++++
2 files changed, 36 insertions(+)
diff --git a/include/sound/intel-nhlt.h b/include/sound/intel-nhlt.h
index 53470d6a28d65..24dbe16684ae3 100644
--- a/include/sound/intel-nhlt.h
+++ b/include/sound/intel-nhlt.h
@@ -143,6 +143,9 @@ intel_nhlt_get_endpoint_blob(struct device *dev, struct nhlt_acpi_table *nhlt,
u32 bus_id, u8 link_type, u8 vbps, u8 bps,
u8 num_ch, u32 rate, u8 dir, u8 dev_type);
+int intel_nhlt_ssp_device_type(struct device *dev, struct nhlt_acpi_table *nhlt,
+ u8 virtual_bus_id);
+
#else
static inline struct nhlt_acpi_table *intel_nhlt_init(struct device *dev)
@@ -184,6 +187,13 @@ intel_nhlt_get_endpoint_blob(struct device *dev, struct nhlt_acpi_table *nhlt,
return NULL;
}
+static inline int intel_nhlt_ssp_device_type(struct device *dev,
+ struct nhlt_acpi_table *nhlt,
+ u8 virtual_bus_id)
+{
+ return -EINVAL;
+}
+
#endif
#endif
diff --git a/sound/hda/intel-nhlt.c b/sound/hda/intel-nhlt.c
index 696a958d93e9c..088cff799e0be 100644
--- a/sound/hda/intel-nhlt.c
+++ b/sound/hda/intel-nhlt.c
@@ -343,3 +343,29 @@ intel_nhlt_get_endpoint_blob(struct device *dev, struct nhlt_acpi_table *nhlt,
return NULL;
}
EXPORT_SYMBOL(intel_nhlt_get_endpoint_blob);
+
+int intel_nhlt_ssp_device_type(struct device *dev, struct nhlt_acpi_table *nhlt,
+ u8 virtual_bus_id)
+{
+ struct nhlt_endpoint *epnt;
+ int i;
+
+ if (!nhlt)
+ return -EINVAL;
+
+ epnt = (struct nhlt_endpoint *)nhlt->desc;
+ for (i = 0; i < nhlt->endpoint_count; i++) {
+ /* for SSP link the virtual bus id is the SSP port number */
+ if (epnt->linktype == NHLT_LINK_SSP &&
+ epnt->virtual_bus_id == virtual_bus_id) {
+ dev_dbg(dev, "SSP%d: dev_type=%d\n", virtual_bus_id,
+ epnt->device_type);
+ return epnt->device_type;
+ }
+
+ epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length);
+ }
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL(intel_nhlt_ssp_device_type);
--
GitLab
From 188ab4bfd29d7c91e35873a360a31e95a6ff0816 Mon Sep 17 00:00:00 2001
From: Brent Lu <brent.lu@intel.com>
Date: Mon, 27 Nov 2023 14:06:57 +0200
Subject: [PATCH 1451/2686] ASoC: SOF: ipc4-topology: support NHLT device type
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The endpoint in NHLT table for a SSP port could have the device type
NHLT_DEVICE_BT or NHLT_DEVICE_I2S. Use intel_nhlt_ssp_device_type()
function to retrieve the device type before querying the endpoint
blob to make sure we are always using correct device type parameter.
Signed-off-by: Brent Lu <brent.lu@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Message-ID: <20231127120657.19764-3-peter.ujfalusi@linux.intel.com>
---
sound/soc/sof/ipc4-topology.c | 19 ++++++++++++++++---
1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c
index da4a83afb87a8..f28edd9830c1b 100644
--- a/sound/soc/sof/ipc4-topology.c
+++ b/sound/soc/sof/ipc4-topology.c
@@ -1356,6 +1356,7 @@ static int snd_sof_get_nhlt_endpoint_data(struct snd_sof_dev *sdev, struct snd_s
int sample_rate, channel_count;
int bit_depth, ret;
u32 nhlt_type;
+ int dev_type = 0;
/* convert to NHLT type */
switch (linktype) {
@@ -1371,18 +1372,30 @@ static int snd_sof_get_nhlt_endpoint_data(struct snd_sof_dev *sdev, struct snd_s
&bit_depth);
if (ret < 0)
return ret;
+
+ /*
+ * We need to know the type of the external device attached to a SSP
+ * port to retrieve the blob from NHLT. However, device type is not
+ * specified in topology.
+ * Query the type for the port and then pass that information back
+ * to the blob lookup function.
+ */
+ dev_type = intel_nhlt_ssp_device_type(sdev->dev, ipc4_data->nhlt,
+ dai_index);
+ if (dev_type < 0)
+ return dev_type;
break;
default:
return 0;
}
- dev_dbg(sdev->dev, "dai index %d nhlt type %d direction %d\n",
- dai_index, nhlt_type, dir);
+ dev_dbg(sdev->dev, "dai index %d nhlt type %d direction %d dev type %d\n",
+ dai_index, nhlt_type, dir, dev_type);
/* find NHLT blob with matching params */
cfg = intel_nhlt_get_endpoint_blob(sdev->dev, ipc4_data->nhlt, dai_index, nhlt_type,
bit_depth, bit_depth, channel_count, sample_rate,
- dir, 0);
+ dir, dev_type);
if (!cfg) {
dev_err(sdev->dev,
--
GitLab
From 203a6763ab699da0568fd2b76303d03bb121abd4 Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers@google.com>
Date: Wed, 13 Mar 2024 16:32:27 -0700
Subject: [PATCH 1452/2686] Revert "crypto: pkcs7 - remove sha1 support"
This reverts commit 16ab7cb5825fc3425c16ad2c6e53d827f382d7c6 because it
broke iwd. iwd uses the KEYCTL_PKEY_* UAPIs via its dependency libell,
and apparently it is relying on SHA-1 signature support. These UAPIs
are fairly obscure, and their documentation does not mention which
algorithms they support. iwd really should be using a properly
supported userspace crypto library instead. Regardless, since something
broke we have to revert the change.
It may be possible that some parts of this commit can be reinstated
without breaking iwd (e.g. probably the removal of MODULE_SIG_SHA1), but
for now this just does a full revert to get things working again.
Reported-by: Karel Balej <balejk@matfyz.cz>
Closes: https://lore.kernel.org/r/CZSHRUIJ4RKL.34T4EASV5DNJM@matfyz.cz
Cc: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Tested-by: Karel Balej <balejk@matfyz.cz>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
crypto/asymmetric_keys/mscode_parser.c | 3 +
crypto/asymmetric_keys/pkcs7_parser.c | 4 ++
crypto/asymmetric_keys/public_key.c | 3 +-
crypto/asymmetric_keys/signature.c | 2 +-
crypto/asymmetric_keys/x509_cert_parser.c | 8 +++
crypto/testmgr.h | 80 +++++++++++++++++++++++
include/linux/oid_registry.h | 4 ++
kernel/module/Kconfig | 5 ++
8 files changed, 107 insertions(+), 2 deletions(-)
diff --git a/crypto/asymmetric_keys/mscode_parser.c b/crypto/asymmetric_keys/mscode_parser.c
index 05402ef8964ed..8aecbe4637f36 100644
--- a/crypto/asymmetric_keys/mscode_parser.c
+++ b/crypto/asymmetric_keys/mscode_parser.c
@@ -75,6 +75,9 @@ int mscode_note_digest_algo(void *context, size_t hdrlen,
oid = look_up_OID(value, vlen);
switch (oid) {
+ case OID_sha1:
+ ctx->digest_algo = "sha1";
+ break;
case OID_sha256:
ctx->digest_algo = "sha256";
break;
diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c
index 5b08c50722d0f..231ad7b3789d5 100644
--- a/crypto/asymmetric_keys/pkcs7_parser.c
+++ b/crypto/asymmetric_keys/pkcs7_parser.c
@@ -227,6 +227,9 @@ int pkcs7_sig_note_digest_algo(void *context, size_t hdrlen,
struct pkcs7_parse_context *ctx = context;
switch (ctx->last_oid) {
+ case OID_sha1:
+ ctx->sinfo->sig->hash_algo = "sha1";
+ break;
case OID_sha256:
ctx->sinfo->sig->hash_algo = "sha256";
break;
@@ -278,6 +281,7 @@ int pkcs7_sig_note_pkey_algo(void *context, size_t hdrlen,
ctx->sinfo->sig->pkey_algo = "rsa";
ctx->sinfo->sig->encoding = "pkcs1";
break;
+ case OID_id_ecdsa_with_sha1:
case OID_id_ecdsa_with_sha224:
case OID_id_ecdsa_with_sha256:
case OID_id_ecdsa_with_sha384:
diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c
index e5f22691febd5..e314fd57e6f88 100644
--- a/crypto/asymmetric_keys/public_key.c
+++ b/crypto/asymmetric_keys/public_key.c
@@ -115,7 +115,8 @@ software_key_determine_akcipher(const struct public_key *pkey,
*/
if (!hash_algo)
return -EINVAL;
- if (strcmp(hash_algo, "sha224") != 0 &&
+ if (strcmp(hash_algo, "sha1") != 0 &&
+ strcmp(hash_algo, "sha224") != 0 &&
strcmp(hash_algo, "sha256") != 0 &&
strcmp(hash_algo, "sha384") != 0 &&
strcmp(hash_algo, "sha512") != 0 &&
diff --git a/crypto/asymmetric_keys/signature.c b/crypto/asymmetric_keys/signature.c
index 398983be77e8b..2deff81f8af50 100644
--- a/crypto/asymmetric_keys/signature.c
+++ b/crypto/asymmetric_keys/signature.c
@@ -115,7 +115,7 @@ EXPORT_SYMBOL_GPL(decrypt_blob);
* Sign the specified data blob using the private key specified by params->key.
* The signature is wrapped in an encoding if params->encoding is specified
* (eg. "pkcs1"). If the encoding needs to know the digest type, this can be
- * passed through params->hash_algo (eg. "sha512").
+ * passed through params->hash_algo (eg. "sha1").
*
* Returns the length of the data placed in the signature buffer or an error.
*/
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index 487204d394266..bb0bffa271b53 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -198,6 +198,10 @@ int x509_note_sig_algo(void *context, size_t hdrlen, unsigned char tag,
default:
return -ENOPKG; /* Unsupported combination */
+ case OID_sha1WithRSAEncryption:
+ ctx->cert->sig->hash_algo = "sha1";
+ goto rsa_pkcs1;
+
case OID_sha256WithRSAEncryption:
ctx->cert->sig->hash_algo = "sha256";
goto rsa_pkcs1;
@@ -214,6 +218,10 @@ int x509_note_sig_algo(void *context, size_t hdrlen, unsigned char tag,
ctx->cert->sig->hash_algo = "sha224";
goto rsa_pkcs1;
+ case OID_id_ecdsa_with_sha1:
+ ctx->cert->sig->hash_algo = "sha1";
+ goto ecdsa;
+
case OID_id_rsassa_pkcs1_v1_5_with_sha3_256:
ctx->cert->sig->hash_algo = "sha3-256";
goto rsa_pkcs1;
diff --git a/crypto/testmgr.h b/crypto/testmgr.h
index 986f331a5fc24..12e1c892f3666 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -653,6 +653,30 @@ static const struct akcipher_testvec rsa_tv_template[] = {
static const struct akcipher_testvec ecdsa_nist_p192_tv_template[] = {
{
.key =
+ "\x04\xf7\x46\xf8\x2f\x15\xf6\x22\x8e\xd7\x57\x4f\xcc\xe7\xbb\xc1"
+ "\xd4\x09\x73\xcf\xea\xd0\x15\x07\x3d\xa5\x8a\x8a\x95\x43\xe4\x68"
+ "\xea\xc6\x25\xc1\xc1\x01\x25\x4c\x7e\xc3\x3c\xa6\x04\x0a\xe7\x08"
+ "\x98",
+ .key_len = 49,
+ .params =
+ "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48"
+ "\xce\x3d\x03\x01\x01",
+ .param_len = 21,
+ .m =
+ "\xcd\xb9\xd2\x1c\xb7\x6f\xcd\x44\xb3\xfd\x63\xea\xa3\x66\x7f\xae"
+ "\x63\x85\xe7\x82",
+ .m_size = 20,
+ .algo = OID_id_ecdsa_with_sha1,
+ .c =
+ "\x30\x35\x02\x19\x00\xba\xe5\x93\x83\x6e\xb6\x3b\x63\xa0\x27\x91"
+ "\xc6\xf6\x7f\xc3\x09\xad\x59\xad\x88\x27\xd6\x92\x6b\x02\x18\x10"
+ "\x68\x01\x9d\xba\xce\x83\x08\xef\x95\x52\x7b\xa0\x0f\xe4\x18\x86"
+ "\x80\x6f\xa5\x79\x77\xda\xd0",
+ .c_size = 55,
+ .public_key_vec = true,
+ .siggen_sigver_test = true,
+ }, {
+ .key =
"\x04\xb6\x4b\xb1\xd1\xac\xba\x24\x8f\x65\xb2\x60\x00\x90\xbf\xbd"
"\x78\x05\x73\xe9\x79\x1d\x6f\x7c\x0b\xd2\xc3\x93\xa7\x28\xe1\x75"
"\xf7\xd5\x95\x1d\x28\x10\xc0\x75\x50\x5c\x1a\x4f\x3f\x8f\xa5\xee"
@@ -756,6 +780,32 @@ static const struct akcipher_testvec ecdsa_nist_p192_tv_template[] = {
static const struct akcipher_testvec ecdsa_nist_p256_tv_template[] = {
{
.key =
+ "\x04\xb9\x7b\xbb\xd7\x17\x64\xd2\x7e\xfc\x81\x5d\x87\x06\x83\x41"
+ "\x22\xd6\x9a\xaa\x87\x17\xec\x4f\x63\x55\x2f\x94\xba\xdd\x83\xe9"
+ "\x34\x4b\xf3\xe9\x91\x13\x50\xb6\xcb\xca\x62\x08\xe7\x3b\x09\xdc"
+ "\xc3\x63\x4b\x2d\xb9\x73\x53\xe4\x45\xe6\x7c\xad\xe7\x6b\xb0\xe8"
+ "\xaf",
+ .key_len = 65,
+ .params =
+ "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48"
+ "\xce\x3d\x03\x01\x07",
+ .param_len = 21,
+ .m =
+ "\xc2\x2b\x5f\x91\x78\x34\x26\x09\x42\x8d\x6f\x51\xb2\xc5\xaf\x4c"
+ "\x0b\xde\x6a\x42",
+ .m_size = 20,
+ .algo = OID_id_ecdsa_with_sha1,
+ .c =
+ "\x30\x46\x02\x21\x00\xf9\x25\xce\x9f\x3a\xa6\x35\x81\xcf\xd4\xe7"
+ "\xb7\xf0\x82\x56\x41\xf7\xd4\xad\x8d\x94\x5a\x69\x89\xee\xca\x6a"
+ "\x52\x0e\x48\x4d\xcc\x02\x21\x00\xd7\xe4\xef\x52\x66\xd3\x5b\x9d"
+ "\x8a\xfa\x54\x93\x29\xa7\x70\x86\xf1\x03\x03\xf3\x3b\xe2\x73\xf7"
+ "\xfb\x9d\x8b\xde\xd4\x8d\x6f\xad",
+ .c_size = 72,
+ .public_key_vec = true,
+ .siggen_sigver_test = true,
+ }, {
+ .key =
"\x04\x8b\x6d\xc0\x33\x8e\x2d\x8b\x67\xf5\xeb\xc4\x7f\xa0\xf5\xd9"
"\x7b\x03\xa5\x78\x9a\xb5\xea\x14\xe4\x23\xd0\xaf\xd7\x0e\x2e\xa0"
"\xc9\x8b\xdb\x95\xf8\xb3\xaf\xac\x00\x2c\x2c\x1f\x7a\xfd\x95\x88"
@@ -866,6 +916,36 @@ static const struct akcipher_testvec ecdsa_nist_p256_tv_template[] = {
static const struct akcipher_testvec ecdsa_nist_p384_tv_template[] = {
{
+ .key = /* secp384r1(sha1) */
+ "\x04\x89\x25\xf3\x97\x88\xcb\xb0\x78\xc5\x72\x9a\x14\x6e\x7a\xb1"
+ "\x5a\xa5\x24\xf1\x95\x06\x9e\x28\xfb\xc4\xb9\xbe\x5a\x0d\xd9\x9f"
+ "\xf3\xd1\x4d\x2d\x07\x99\xbd\xda\xa7\x66\xec\xbb\xea\xba\x79\x42"
+ "\xc9\x34\x89\x6a\xe7\x0b\xc3\xf2\xfe\x32\x30\xbe\xba\xf9\xdf\x7e"
+ "\x4b\x6a\x07\x8e\x26\x66\x3f\x1d\xec\xa2\x57\x91\x51\xdd\x17\x0e"
+ "\x0b\x25\xd6\x80\x5c\x3b\xe6\x1a\x98\x48\x91\x45\x7a\x73\xb0\xc3"
+ "\xf1",
+ .key_len = 97,
+ .params =
+ "\x30\x10\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x05\x2b\x81\x04"
+ "\x00\x22",
+ .param_len = 18,
+ .m =
+ "\x12\x55\x28\xf0\x77\xd5\xb6\x21\x71\x32\x48\xcd\x28\xa8\x25\x22"
+ "\x3a\x69\xc1\x93",
+ .m_size = 20,
+ .algo = OID_id_ecdsa_with_sha1,
+ .c =
+ "\x30\x66\x02\x31\x00\xf5\x0f\x24\x4c\x07\x93\x6f\x21\x57\x55\x07"
+ "\x20\x43\x30\xde\xa0\x8d\x26\x8e\xae\x63\x3f\xbc\x20\x3a\xc6\xf1"
+ "\x32\x3c\xce\x70\x2b\x78\xf1\x4c\x26\xe6\x5b\x86\xcf\xec\x7c\x7e"
+ "\xd0\x87\xd7\xd7\x6e\x02\x31\x00\xcd\xbb\x7e\x81\x5d\x8f\x63\xc0"
+ "\x5f\x63\xb1\xbe\x5e\x4c\x0e\xa1\xdf\x28\x8c\x1b\xfa\xf9\x95\x88"
+ "\x74\xa0\x0f\xbf\xaf\xc3\x36\x76\x4a\xa1\x59\xf1\x1c\xa4\x58\x26"
+ "\x79\x12\x2a\xb7\xc5\x15\x92\xc5",
+ .c_size = 104,
+ .public_key_vec = true,
+ .siggen_sigver_test = true,
+ }, {
.key = /* secp384r1(sha224) */
"\x04\x69\x6c\xcf\x62\xee\xd0\x0d\xe5\xb5\x2f\x70\x54\xcf\x26\xa0"
"\xd9\x98\x8d\x92\x2a\xab\x9b\x11\xcb\x48\x18\xa1\xa9\x0d\xd5\x18"
diff --git a/include/linux/oid_registry.h b/include/linux/oid_registry.h
index 3921fbed0b286..51421fdbb0bad 100644
--- a/include/linux/oid_registry.h
+++ b/include/linux/oid_registry.h
@@ -17,10 +17,12 @@
* build_OID_registry.pl to generate the data for look_up_OID().
*/
enum OID {
+ OID_id_dsa_with_sha1, /* 1.2.840.10030.4.3 */
OID_id_dsa, /* 1.2.840.10040.4.1 */
OID_id_ecPublicKey, /* 1.2.840.10045.2.1 */
OID_id_prime192v1, /* 1.2.840.10045.3.1.1 */
OID_id_prime256v1, /* 1.2.840.10045.3.1.7 */
+ OID_id_ecdsa_with_sha1, /* 1.2.840.10045.4.1 */
OID_id_ecdsa_with_sha224, /* 1.2.840.10045.4.3.1 */
OID_id_ecdsa_with_sha256, /* 1.2.840.10045.4.3.2 */
OID_id_ecdsa_with_sha384, /* 1.2.840.10045.4.3.3 */
@@ -28,6 +30,7 @@ enum OID {
/* PKCS#1 {iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs-1(1)} */
OID_rsaEncryption, /* 1.2.840.113549.1.1.1 */
+ OID_sha1WithRSAEncryption, /* 1.2.840.113549.1.1.5 */
OID_sha256WithRSAEncryption, /* 1.2.840.113549.1.1.11 */
OID_sha384WithRSAEncryption, /* 1.2.840.113549.1.1.12 */
OID_sha512WithRSAEncryption, /* 1.2.840.113549.1.1.13 */
@@ -64,6 +67,7 @@ enum OID {
OID_PKU2U, /* 1.3.5.1.5.2.7 */
OID_Scram, /* 1.3.6.1.5.5.14 */
OID_certAuthInfoAccess, /* 1.3.6.1.5.5.7.1.1 */
+ OID_sha1, /* 1.3.14.3.2.26 */
OID_id_ansip384r1, /* 1.3.132.0.34 */
OID_sha256, /* 2.16.840.1.101.3.4.2.1 */
OID_sha384, /* 2.16.840.1.101.3.4.2.2 */
diff --git a/kernel/module/Kconfig b/kernel/module/Kconfig
index 0ea1b2970a23b..28db5b7589eb2 100644
--- a/kernel/module/Kconfig
+++ b/kernel/module/Kconfig
@@ -236,6 +236,10 @@ choice
possible to load a signed module containing the algorithm to check
the signature on that module.
+config MODULE_SIG_SHA1
+ bool "Sign modules with SHA-1"
+ select CRYPTO_SHA1
+
config MODULE_SIG_SHA256
bool "Sign modules with SHA-256"
select CRYPTO_SHA256
@@ -265,6 +269,7 @@ endchoice
config MODULE_SIG_HASH
string
depends on MODULE_SIG || IMA_APPRAISE_MODSIG
+ default "sha1" if MODULE_SIG_SHA1
default "sha256" if MODULE_SIG_SHA256
default "sha384" if MODULE_SIG_SHA384
default "sha512" if MODULE_SIG_SHA512
--
GitLab
From 5a7e89d3315d1be86aff8a8bf849023cda6547f7 Mon Sep 17 00:00:00 2001
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Mar 2024 16:08:45 -0500
Subject: [PATCH 1453/2686] crypto: iaa - Fix nr_cpus < nr_iaa case
If nr_cpus < nr_iaa, the calculated cpus_per_iaa will be 0, which
causes a divide-by-0 in rebalance_wq_table().
Make sure cpus_per_iaa is 1 in that case, and also in the nr_iaa == 0
case, even though cpus_per_iaa is never used if nr_iaa == 0, for
paranoia.
Cc: <stable@vger.kernel.org> # v6.8+
Reported-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
drivers/crypto/intel/iaa/iaa_crypto_main.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/crypto/intel/iaa/iaa_crypto_main.c b/drivers/crypto/intel/iaa/iaa_crypto_main.c
index 1cd304de53881..b2191ade9011c 100644
--- a/drivers/crypto/intel/iaa/iaa_crypto_main.c
+++ b/drivers/crypto/intel/iaa/iaa_crypto_main.c
@@ -806,6 +806,8 @@ static int save_iaa_wq(struct idxd_wq *wq)
return -EINVAL;
cpus_per_iaa = (nr_nodes * nr_cpus_per_node) / nr_iaa;
+ if (!cpus_per_iaa)
+ cpus_per_iaa = 1;
out:
return 0;
}
@@ -821,10 +823,12 @@ static void remove_iaa_wq(struct idxd_wq *wq)
}
}
- if (nr_iaa)
+ if (nr_iaa) {
cpus_per_iaa = (nr_nodes * nr_cpus_per_node) / nr_iaa;
- else
- cpus_per_iaa = 0;
+ if (!cpus_per_iaa)
+ cpus_per_iaa = 1;
+ } else
+ cpus_per_iaa = 1;
}
static int wq_table_add_wqs(int iaa, int cpu)
--
GitLab
From 3cb4a4827596abc82e55b80364f509d0fefc3051 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?KONDO=20KAZUMA=28=E8=BF=91=E8=97=A4=E3=80=80=E5=92=8C?=
=?UTF-8?q?=E7=9C=9F=29?= <kazuma-kondo@nec.com>
Date: Fri, 22 Mar 2024 10:47:02 +0000
Subject: [PATCH 1454/2686] efi/libstub: fix efi_random_alloc() to allocate
memory at alloc_min or higher address
Following warning is sometimes observed while booting my servers:
[ 3.594838] DMA: preallocated 4096 KiB GFP_KERNEL pool for atomic allocations
[ 3.602918] swapper/0: page allocation failure: order:10, mode:0xcc1(GFP_KERNEL|GFP_DMA), nodemask=(null),cpuset=/,mems_allowed=0-1
...
[ 3.851862] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocation
If 'nokaslr' boot option is set, the warning always happens.
On x86, ZONE_DMA is small zone at the first 16MB of physical address
space. When this problem happens, most of that space seems to be used by
decompressed kernel. Thereby, there is not enough space at DMA_ZONE to
meet the request of DMA pool allocation.
The commit 2f77465b05b1 ("x86/efistub: Avoid placing the kernel below
LOAD_PHYSICAL_ADDR") tried to fix this problem by introducing lower
bound of allocation.
But the fix is not complete.
efi_random_alloc() allocates pages by following steps.
1. Count total available slots ('total_slots')
2. Select a slot ('target_slot') to allocate randomly
3. Calculate a starting address ('target') to be included target_slot
4. Allocate pages, which starting address is 'target'
In step 1, 'alloc_min' is used to offset the starting address of memory
chunk. But in step 3 'alloc_min' is not considered at all. As the
result, 'target' can be miscalculated and become lower than 'alloc_min'.
When KASLR is disabled, 'target_slot' is always 0 and the problem
happens everytime if the EFI memory map of the system meets the
condition.
Fix this problem by calculating 'target' considering 'alloc_min'.
Cc: linux-efi@vger.kernel.org
Cc: Tom Englund <tomenglund26@gmail.com>
Cc: linux-kernel@vger.kernel.org
Fixes: 2f77465b05b1 ("x86/efistub: Avoid placing the kernel below LOAD_PHYSICAL_ADDR")
Signed-off-by: Kazuma Kondo <kazuma-kondo@nec.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
drivers/firmware/efi/libstub/randomalloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/firmware/efi/libstub/randomalloc.c b/drivers/firmware/efi/libstub/randomalloc.c
index 4e96a855fdf47..7e18528595502 100644
--- a/drivers/firmware/efi/libstub/randomalloc.c
+++ b/drivers/firmware/efi/libstub/randomalloc.c
@@ -120,7 +120,7 @@ efi_status_t efi_random_alloc(unsigned long size,
continue;
}
- target = round_up(md->phys_addr, align) + target_slot * align;
+ target = round_up(max(md->phys_addr, alloc_min), align) + target_slot * align;
pages = size / EFI_PAGE_SIZE;
status = efi_bs_call(allocate_pages, EFI_ALLOCATE_ADDRESS,
--
GitLab
From 9fe6e9e7b58944037714442384075c17cfde1c56 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Mon, 18 Mar 2024 17:32:09 +0100
Subject: [PATCH 1455/2686] nfsd: Fix error cleanup path in nfsd_rename()
Commit a8b0026847b8 ("rename(): avoid a deadlock in the case of parents
having no common ancestor") added an error bail out path. However this
path does not drop the remount protection that has been acquired. Fix
the cleanup path to properly drop the remount protection.
Fixes: a8b0026847b8 ("rename(): avoid a deadlock in the case of parents having no common ancestor")
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
fs/nfsd/vfs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 6a4c506038e00..daf5221ef9226 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1853,7 +1853,7 @@ nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen,
trap = lock_rename(tdentry, fdentry);
if (IS_ERR(trap)) {
err = (rqstp->rq_vers == 2) ? nfserr_acces : nfserr_xdev;
- goto out;
+ goto out_want_write;
}
err = fh_fill_pre_attrs(ffhp);
if (err != nfs_ok)
@@ -1923,6 +1923,7 @@ nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen,
}
out_unlock:
unlock_rename(tdentry, fdentry);
+out_want_write:
fh_drop_write(ffhp);
/*
--
GitLab
From 6978bd6a913825eaf06629a02fc820d240d5fec6 Mon Sep 17 00:00:00 2001
From: Chuck Lever <chuck.lever@oracle.com>
Date: Thu, 21 Mar 2024 11:21:47 -0400
Subject: [PATCH 1456/2686] SUNRPC: Revert
561141dd494382217bace4d1a51d08168420eace
Scott reports an occasional scatterlist BUG that is triggered by the
RFC 8009 Kunit test, then says:
> Looking through the git history of the auth_gss code, there are various
> places where static buffers were replaced by dynamically allocated ones
> because they're being used with scatterlists.
Reported-by: Scott Mayhew <smayhew@redhat.com>
Fixes: 561141dd4943 ("SUNRPC: Use a static buffer for the checksum initialization vector")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
net/sunrpc/auth_gss/gss_krb5_crypto.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index b2c1b683a88ee..d2b02710ab070 100644
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -921,8 +921,6 @@ gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, u32 len,
* Caller provides the truncation length of the output token (h) in
* cksumout.len.
*
- * Note that for RPCSEC, the "initial cipher state" is always all zeroes.
- *
* Return values:
* %GSS_S_COMPLETE: Digest computed, @cksumout filled in
* %GSS_S_FAILURE: Call failed
@@ -933,19 +931,22 @@ u32 krb5_etm_checksum(struct crypto_sync_skcipher *cipher,
int body_offset, struct xdr_netobj *cksumout)
{
unsigned int ivsize = crypto_sync_skcipher_ivsize(cipher);
- static const u8 iv[GSS_KRB5_MAX_BLOCKSIZE];
struct ahash_request *req;
struct scatterlist sg[1];
+ u8 *iv, *checksumdata;
int err = -ENOMEM;
- u8 *checksumdata;
checksumdata = kmalloc(crypto_ahash_digestsize(tfm), GFP_KERNEL);
if (!checksumdata)
return GSS_S_FAILURE;
+ /* For RPCSEC, the "initial cipher state" is always all zeroes. */
+ iv = kzalloc(ivsize, GFP_KERNEL);
+ if (!iv)
+ goto out_free_mem;
req = ahash_request_alloc(tfm, GFP_KERNEL);
if (!req)
- goto out_free_cksumdata;
+ goto out_free_mem;
ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL);
err = crypto_ahash_init(req);
if (err)
@@ -969,7 +970,8 @@ u32 krb5_etm_checksum(struct crypto_sync_skcipher *cipher,
out_free_ahash:
ahash_request_free(req);
-out_free_cksumdata:
+out_free_mem:
+ kfree(iv);
kfree_sensitive(checksumdata);
return err ? GSS_S_FAILURE : GSS_S_COMPLETE;
}
--
GitLab
From d8e45f2929b94099913eb66c3ebb18b5063e9421 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Wed, 6 Mar 2024 15:51:36 -0800
Subject: [PATCH 1457/2686] overflow: Change DEFINE_FLEX to take __counted_by
member
The norm should be flexible array structures with __counted_by
annotations, so DEFINE_FLEX() is updated to expect that. Rename
the non-annotated version to DEFINE_RAW_FLEX(), and update the
few existing users. Additionally add selftests for the macros.
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20240306235128.it.933-kees@kernel.org
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
---
drivers/net/ethernet/intel/ice/ice_base.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_common.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_ddp.c | 8 +++----
drivers/net/ethernet/intel/ice/ice_lag.c | 6 ++---
drivers/net/ethernet/intel/ice/ice_sched.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_switch.c | 10 ++++-----
include/linux/overflow.h | 25 +++++++++++++++++----
lib/overflow_kunit.c | 19 ++++++++++++++++
8 files changed, 58 insertions(+), 22 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c
index d2fd315556a39..a545a7917e4fc 100644
--- a/drivers/net/ethernet/intel/ice/ice_base.c
+++ b/drivers/net/ethernet/intel/ice/ice_base.c
@@ -956,7 +956,7 @@ ice_vsi_cfg_txq(struct ice_vsi *vsi, struct ice_tx_ring *ring,
int ice_vsi_cfg_single_txq(struct ice_vsi *vsi, struct ice_tx_ring **tx_rings,
u16 q_idx)
{
- DEFINE_FLEX(struct ice_aqc_add_tx_qgrp, qg_buf, txqs, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_add_tx_qgrp, qg_buf, txqs, 1);
if (q_idx >= vsi->alloc_txq || !tx_rings || !tx_rings[q_idx])
return -EINVAL;
@@ -978,7 +978,7 @@ int ice_vsi_cfg_single_txq(struct ice_vsi *vsi, struct ice_tx_ring **tx_rings,
static int
ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_tx_ring **rings, u16 count)
{
- DEFINE_FLEX(struct ice_aqc_add_tx_qgrp, qg_buf, txqs, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_add_tx_qgrp, qg_buf, txqs, 1);
int err = 0;
u16 q_idx;
diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index 4d8111aeb0ff0..db4b2844e1f71 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -4695,7 +4695,7 @@ ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
enum ice_disq_rst_src rst_src, u16 vmvf_num,
struct ice_sq_cd *cd)
{
- DEFINE_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
u16 i, buf_size = __struct_size(qg_list);
struct ice_q_ctx *q_ctx;
int status = -ENOENT;
@@ -4917,7 +4917,7 @@ int
ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
u16 *q_id)
{
- DEFINE_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
u16 qg_size = __struct_size(qg_list);
struct ice_hw *hw;
int status = 0;
diff --git a/drivers/net/ethernet/intel/ice/ice_ddp.c b/drivers/net/ethernet/intel/ice/ice_ddp.c
index 7532d11ad7f33..fc91c4d411863 100644
--- a/drivers/net/ethernet/intel/ice/ice_ddp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ddp.c
@@ -1938,8 +1938,8 @@ static enum ice_ddp_state ice_init_pkg_info(struct ice_hw *hw,
*/
static enum ice_ddp_state ice_get_pkg_info(struct ice_hw *hw)
{
- DEFINE_FLEX(struct ice_aqc_get_pkg_info_resp, pkg_info, pkg_info,
- ICE_PKG_CNT);
+ DEFINE_RAW_FLEX(struct ice_aqc_get_pkg_info_resp, pkg_info, pkg_info,
+ ICE_PKG_CNT);
u16 size = __struct_size(pkg_info);
u32 i;
@@ -1990,8 +1990,8 @@ static enum ice_ddp_state ice_chk_pkg_compat(struct ice_hw *hw,
struct ice_pkg_hdr *ospkg,
struct ice_seg **seg)
{
- DEFINE_FLEX(struct ice_aqc_get_pkg_info_resp, pkg, pkg_info,
- ICE_PKG_CNT);
+ DEFINE_RAW_FLEX(struct ice_aqc_get_pkg_info_resp, pkg, pkg_info,
+ ICE_PKG_CNT);
u16 size = __struct_size(pkg);
enum ice_ddp_state state;
u32 i;
diff --git a/drivers/net/ethernet/intel/ice/ice_lag.c b/drivers/net/ethernet/intel/ice/ice_lag.c
index 467372d541d21..f97128b69f87e 100644
--- a/drivers/net/ethernet/intel/ice/ice_lag.c
+++ b/drivers/net/ethernet/intel/ice/ice_lag.c
@@ -491,7 +491,7 @@ static void
ice_lag_move_vf_node_tc(struct ice_lag *lag, u8 oldport, u8 newport,
u16 vsi_num, u8 tc)
{
- DEFINE_FLEX(struct ice_aqc_move_elem, buf, teid, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_move_elem, buf, teid, 1);
struct device *dev = ice_pf_to_dev(lag->pf);
u16 numq, valq, num_moved, qbuf_size;
u16 buf_size = __struct_size(buf);
@@ -849,7 +849,7 @@ static void
ice_lag_reclaim_vf_tc(struct ice_lag *lag, struct ice_hw *src_hw, u16 vsi_num,
u8 tc)
{
- DEFINE_FLEX(struct ice_aqc_move_elem, buf, teid, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_move_elem, buf, teid, 1);
struct device *dev = ice_pf_to_dev(lag->pf);
u16 numq, valq, num_moved, qbuf_size;
u16 buf_size = __struct_size(buf);
@@ -1873,7 +1873,7 @@ static void
ice_lag_move_vf_nodes_tc_sync(struct ice_lag *lag, struct ice_hw *dest_hw,
u16 vsi_num, u8 tc)
{
- DEFINE_FLEX(struct ice_aqc_move_elem, buf, teid, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_move_elem, buf, teid, 1);
struct device *dev = ice_pf_to_dev(lag->pf);
u16 numq, valq, num_moved, qbuf_size;
u16 buf_size = __struct_size(buf);
diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c
index d174a4eeb899c..a1525992d14bc 100644
--- a/drivers/net/ethernet/intel/ice/ice_sched.c
+++ b/drivers/net/ethernet/intel/ice/ice_sched.c
@@ -237,7 +237,7 @@ static int
ice_sched_remove_elems(struct ice_hw *hw, struct ice_sched_node *parent,
u32 node_teid)
{
- DEFINE_FLEX(struct ice_aqc_delete_elem, buf, teid, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_delete_elem, buf, teid, 1);
u16 buf_size = __struct_size(buf);
u16 num_groups_removed = 0;
int status;
@@ -2219,7 +2219,7 @@ int
ice_sched_move_nodes(struct ice_port_info *pi, struct ice_sched_node *parent,
u16 num_items, u32 *list)
{
- DEFINE_FLEX(struct ice_aqc_move_elem, buf, teid, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_move_elem, buf, teid, 1);
u16 buf_len = __struct_size(buf);
struct ice_sched_node *node;
u16 i, grps_movd = 0;
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c
index f84bab80ca423..d4baae8c3b720 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -1812,7 +1812,7 @@ ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
enum ice_sw_lkup_type lkup_type,
enum ice_adminq_opc opc)
{
- DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1);
u16 buf_len = __struct_size(sw_buf);
struct ice_aqc_res_elem *vsi_ele;
int status;
@@ -2081,7 +2081,7 @@ ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
*/
int ice_alloc_recipe(struct ice_hw *hw, u16 *rid)
{
- DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1);
u16 buf_len = __struct_size(sw_buf);
int status;
@@ -4418,7 +4418,7 @@ int
ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
u16 *counter_id)
{
- DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
u16 buf_len = __struct_size(buf);
int status;
@@ -4446,7 +4446,7 @@ int
ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
u16 counter_id)
{
- DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
u16 buf_len = __struct_size(buf);
int status;
@@ -4476,7 +4476,7 @@ ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
*/
int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id)
{
- DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
+ DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
u16 buf_len = __struct_size(buf);
u16 res_type;
int status;
diff --git a/include/linux/overflow.h b/include/linux/overflow.h
index aa691f2119b0b..0c7e3dcfe8670 100644
--- a/include/linux/overflow.h
+++ b/include/linux/overflow.h
@@ -398,7 +398,7 @@ static inline size_t __must_check size_sub(size_t minuend, size_t subtrahend)
* @count: Number of elements in the array; must be compile-time const.
* @initializer: initializer expression (could be empty for no init).
*/
-#define _DEFINE_FLEX(type, name, member, count, initializer) \
+#define _DEFINE_FLEX(type, name, member, count, initializer...) \
_Static_assert(__builtin_constant_p(count), \
"onstack flex array members require compile-time const count"); \
union { \
@@ -408,8 +408,8 @@ static inline size_t __must_check size_sub(size_t minuend, size_t subtrahend)
type *name = (type *)&name##_u
/**
- * DEFINE_FLEX() - Define an on-stack instance of structure with a trailing
- * flexible array member.
+ * DEFINE_RAW_FLEX() - Define an on-stack instance of structure with a trailing
+ * flexible array member, when it does not have a __counted_by annotation.
*
* @type: structure type name, including "struct" keyword.
* @name: Name for a variable to define.
@@ -420,7 +420,24 @@ static inline size_t __must_check size_sub(size_t minuend, size_t subtrahend)
* flexible array member.
* Use __struct_size(@name) to get compile-time size of it afterwards.
*/
-#define DEFINE_FLEX(type, name, member, count) \
+#define DEFINE_RAW_FLEX(type, name, member, count) \
_DEFINE_FLEX(type, name, member, count, = {})
+/**
+ * DEFINE_FLEX() - Define an on-stack instance of structure with a trailing
+ * flexible array member.
+ *
+ * @TYPE: structure type name, including "struct" keyword.
+ * @NAME: Name for a variable to define.
+ * @MEMBER: Name of the array member.
+ * @COUNTER: Name of the __counted_by member.
+ * @COUNT: Number of elements in the array; must be compile-time const.
+ *
+ * Define a zeroed, on-stack, instance of @TYPE structure with a trailing
+ * flexible array member.
+ * Use __struct_size(@NAME) to get compile-time size of it afterwards.
+ */
+#define DEFINE_FLEX(TYPE, NAME, MEMBER, COUNTER, COUNT) \
+ _DEFINE_FLEX(TYPE, NAME, MEMBER, COUNT, = { .obj.COUNTER = COUNT, })
+
#endif /* __LINUX_OVERFLOW_H */
diff --git a/lib/overflow_kunit.c b/lib/overflow_kunit.c
index 65e8a72a83bfa..4ef31b0bb74d6 100644
--- a/lib/overflow_kunit.c
+++ b/lib/overflow_kunit.c
@@ -1172,6 +1172,24 @@ static void castable_to_type_test(struct kunit *test)
#undef TEST_CASTABLE_TO_TYPE
}
+struct foo {
+ int a;
+ u32 counter;
+ s16 array[] __counted_by(counter);
+};
+
+static void DEFINE_FLEX_test(struct kunit *test)
+{
+ DEFINE_RAW_FLEX(struct foo, two, array, 2);
+ DEFINE_FLEX(struct foo, eight, array, counter, 8);
+ DEFINE_FLEX(struct foo, empty, array, counter, 0);
+
+ KUNIT_EXPECT_EQ(test, __struct_size(two),
+ sizeof(struct foo) + sizeof(s16) + sizeof(s16));
+ KUNIT_EXPECT_EQ(test, __struct_size(eight), 24);
+ KUNIT_EXPECT_EQ(test, __struct_size(empty), sizeof(struct foo));
+}
+
static struct kunit_case overflow_test_cases[] = {
KUNIT_CASE(u8_u8__u8_overflow_test),
KUNIT_CASE(s8_s8__s8_overflow_test),
@@ -1194,6 +1212,7 @@ static struct kunit_case overflow_test_cases[] = {
KUNIT_CASE(overflows_type_test),
KUNIT_CASE(same_type_test),
KUNIT_CASE(castable_to_type_test),
+ KUNIT_CASE(DEFINE_FLEX_test),
{}
};
--
GitLab
From 231dc3f0c936db142ef3fa922f1ab751dd532d70 Mon Sep 17 00:00:00 2001
From: Nathan Chancellor <nathan@kernel.org>
Date: Thu, 21 Mar 2024 13:18:17 -0700
Subject: [PATCH 1458/2686] lkdtm/bugs: Improve warning message for compilers
without counted_by support
The current message for telling the user that their compiler does not
support the counted_by attribute in the FAM_BOUNDS test does not make
much sense either grammatically or semantically. Fix it to make it
correct in both aspects.
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20240321-lkdtm-improve-lack-of-counted_by-msg-v1-1-0fbf7481a29c@kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
---
drivers/misc/lkdtm/bugs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/lkdtm/bugs.c b/drivers/misc/lkdtm/bugs.c
index b92767d6bdd24..5178c02b21eba 100644
--- a/drivers/misc/lkdtm/bugs.c
+++ b/drivers/misc/lkdtm/bugs.c
@@ -417,7 +417,7 @@ static void lkdtm_FAM_BOUNDS(void)
pr_err("FAIL: survived access of invalid flexible array member index!\n");
if (!__has_attribute(__counted_by__))
- pr_warn("This is expected since this %s was built a compiler supporting __counted_by\n",
+ pr_warn("This is expected since this %s was built with a compiler that does not support __counted_by\n",
lkdtm_kernel_info);
else if (IS_ENABLED(CONFIG_UBSAN_BOUNDS))
pr_expected_config(CONFIG_UBSAN_TRAP);
--
GitLab
From e249884e106b81c34f8050d23935ffc12623843f Mon Sep 17 00:00:00 2001
From: Erni Sri Satya Vennela <ernis@linux.microsoft.com>
Date: Thu, 21 Mar 2024 01:22:05 -0700
Subject: [PATCH 1459/2686] x86/hyperv: Cosmetic changes for hv_apic.c
Fix issues reported by checkpatch.pl script for hv_apic.c file
- Alignment should match open parenthesis
- Remove unnecessary parenthesis
No functional changes intended.
Signed-off-by: Erni Sri Satya Vennela <ernis@linux.microsoft.com>
Reviewed-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Link: https://lore.kernel.org/r/1711009325-21894-1-git-send-email-ernis@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1711009325-21894-1-git-send-email-ernis@linux.microsoft.com>
---
arch/x86/hyperv/hv_apic.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/arch/x86/hyperv/hv_apic.c b/arch/x86/hyperv/hv_apic.c
index 5fc45543e9550..0569f579338b5 100644
--- a/arch/x86/hyperv/hv_apic.c
+++ b/arch/x86/hyperv/hv_apic.c
@@ -105,7 +105,7 @@ static bool cpu_is_self(int cpu)
* IPI implementation on Hyper-V.
*/
static bool __send_ipi_mask_ex(const struct cpumask *mask, int vector,
- bool exclude_self)
+ bool exclude_self)
{
struct hv_send_ipi_ex *ipi_arg;
unsigned long flags;
@@ -132,8 +132,8 @@ static bool __send_ipi_mask_ex(const struct cpumask *mask, int vector,
if (!cpumask_equal(mask, cpu_present_mask) || exclude_self) {
ipi_arg->vp_set.format = HV_GENERIC_SET_SPARSE_4K;
- nr_bank = cpumask_to_vpset_skip(&(ipi_arg->vp_set), mask,
- exclude_self ? cpu_is_self : NULL);
+ nr_bank = cpumask_to_vpset_skip(&ipi_arg->vp_set, mask,
+ exclude_self ? cpu_is_self : NULL);
/*
* 'nr_bank <= 0' means some CPUs in cpumask can't be
@@ -147,7 +147,7 @@ static bool __send_ipi_mask_ex(const struct cpumask *mask, int vector,
}
status = hv_do_rep_hypercall(HVCALL_SEND_IPI_EX, 0, nr_bank,
- ipi_arg, NULL);
+ ipi_arg, NULL);
ipi_mask_ex_done:
local_irq_restore(flags);
@@ -155,7 +155,7 @@ static bool __send_ipi_mask_ex(const struct cpumask *mask, int vector,
}
static bool __send_ipi_mask(const struct cpumask *mask, int vector,
- bool exclude_self)
+ bool exclude_self)
{
int cur_cpu, vcpu, this_cpu = smp_processor_id();
struct hv_send_ipi ipi_arg;
@@ -181,7 +181,7 @@ static bool __send_ipi_mask(const struct cpumask *mask, int vector,
return false;
}
- if ((vector < HV_IPI_LOW_VECTOR) || (vector > HV_IPI_HIGH_VECTOR))
+ if (vector < HV_IPI_LOW_VECTOR || vector > HV_IPI_HIGH_VECTOR)
return false;
/*
@@ -218,7 +218,7 @@ static bool __send_ipi_mask(const struct cpumask *mask, int vector,
}
status = hv_do_fast_hypercall16(HVCALL_SEND_IPI, ipi_arg.vector,
- ipi_arg.cpu_mask);
+ ipi_arg.cpu_mask);
return hv_result_success(status);
do_ex_hypercall:
@@ -241,7 +241,7 @@ static bool __send_ipi_one(int cpu, int vector)
return false;
}
- if ((vector < HV_IPI_LOW_VECTOR) || (vector > HV_IPI_HIGH_VECTOR))
+ if (vector < HV_IPI_LOW_VECTOR || vector > HV_IPI_HIGH_VECTOR)
return false;
if (vp >= 64)
--
GitLab
From 1f1dc442c57ec61c08d21d47e4c5b4f16446fe00 Mon Sep 17 00:00:00 2001
From: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Date: Fri, 22 Mar 2024 14:10:26 -0700
Subject: [PATCH 1460/2686] mshyperv: Introduce hv_numa_node_to_pxm_info()
Factor out logic for converting numa node to hv_proximity_domain_info
into a helper function.
Change hv_proximity_domain_info to a struct to improve readability.
While at it, rename hv_add_logical_processor_* structs to the correct
hv_input_/hv_output_ prefix, and remove the flags field which is not
present in the ABI.
Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Reviewed-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/1711141826-9458-1-git-send-email-nunodasneves@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1711141826-9458-1-git-send-email-nunodasneves@linux.microsoft.com>
---
arch/x86/hyperv/hv_proc.c | 22 ++++------------------
include/asm-generic/hyperv-tlfs.h | 19 +++++++------------
include/asm-generic/mshyperv.h | 14 ++++++++++++++
3 files changed, 25 insertions(+), 30 deletions(-)
diff --git a/arch/x86/hyperv/hv_proc.c b/arch/x86/hyperv/hv_proc.c
index 68a0843d4750f..3fa1f2ee7b0d0 100644
--- a/arch/x86/hyperv/hv_proc.c
+++ b/arch/x86/hyperv/hv_proc.c
@@ -3,7 +3,6 @@
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include <linux/clockchips.h>
-#include <linux/acpi.h>
#include <linux/hyperv.h>
#include <linux/slab.h>
#include <linux/cpuhotplug.h>
@@ -116,12 +115,11 @@ int hv_call_deposit_pages(int node, u64 partition_id, u32 num_pages)
int hv_call_add_logical_proc(int node, u32 lp_index, u32 apic_id)
{
- struct hv_add_logical_processor_in *input;
- struct hv_add_logical_processor_out *output;
+ struct hv_input_add_logical_processor *input;
+ struct hv_output_add_logical_processor *output;
u64 status;
unsigned long flags;
int ret = HV_STATUS_SUCCESS;
- int pxm = node_to_pxm(node);
/*
* When adding a logical processor, the hypervisor may return
@@ -137,11 +135,7 @@ int hv_call_add_logical_proc(int node, u32 lp_index, u32 apic_id)
input->lp_index = lp_index;
input->apic_id = apic_id;
- input->flags = 0;
- input->proximity_domain_info.domain_id = pxm;
- input->proximity_domain_info.flags.reserved = 0;
- input->proximity_domain_info.flags.proximity_info_valid = 1;
- input->proximity_domain_info.flags.proximity_preferred = 1;
+ input->proximity_domain_info = hv_numa_node_to_pxm_info(node);
status = hv_do_hypercall(HVCALL_ADD_LOGICAL_PROCESSOR,
input, output);
local_irq_restore(flags);
@@ -166,7 +160,6 @@ int hv_call_create_vp(int node, u64 partition_id, u32 vp_index, u32 flags)
u64 status;
unsigned long irq_flags;
int ret = HV_STATUS_SUCCESS;
- int pxm = node_to_pxm(node);
/* Root VPs don't seem to need pages deposited */
if (partition_id != hv_current_partition_id) {
@@ -185,14 +178,7 @@ int hv_call_create_vp(int node, u64 partition_id, u32 vp_index, u32 flags)
input->vp_index = vp_index;
input->flags = flags;
input->subnode_type = HvSubnodeAny;
- if (node != NUMA_NO_NODE) {
- input->proximity_domain_info.domain_id = pxm;
- input->proximity_domain_info.flags.reserved = 0;
- input->proximity_domain_info.flags.proximity_info_valid = 1;
- input->proximity_domain_info.flags.proximity_preferred = 1;
- } else {
- input->proximity_domain_info.as_uint64 = 0;
- }
+ input->proximity_domain_info = hv_numa_node_to_pxm_info(node);
status = hv_do_hypercall(HVCALL_CREATE_VP, input, NULL);
local_irq_restore(irq_flags);
diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h
index fdac4a1714ec0..69f3f68dc249a 100644
--- a/include/asm-generic/hyperv-tlfs.h
+++ b/include/asm-generic/hyperv-tlfs.h
@@ -512,13 +512,9 @@ struct hv_proximity_domain_flags {
u32 proximity_info_valid : 1;
} __packed;
-/* Not a union in windows but useful for zeroing */
-union hv_proximity_domain_info {
- struct {
- u32 domain_id;
- struct hv_proximity_domain_flags flags;
- };
- u64 as_uint64;
+struct hv_proximity_domain_info {
+ u32 domain_id;
+ struct hv_proximity_domain_flags flags;
} __packed;
struct hv_lp_startup_status {
@@ -532,14 +528,13 @@ struct hv_lp_startup_status {
} __packed;
/* HvAddLogicalProcessor hypercall */
-struct hv_add_logical_processor_in {
+struct hv_input_add_logical_processor {
u32 lp_index;
u32 apic_id;
- union hv_proximity_domain_info proximity_domain_info;
- u64 flags;
+ struct hv_proximity_domain_info proximity_domain_info;
} __packed;
-struct hv_add_logical_processor_out {
+struct hv_output_add_logical_processor {
struct hv_lp_startup_status startup_status;
} __packed;
@@ -560,7 +555,7 @@ struct hv_create_vp {
u8 padding[3];
u8 subnode_type;
u64 subnode_id;
- union hv_proximity_domain_info proximity_domain_info;
+ struct hv_proximity_domain_info proximity_domain_info;
u64 flags;
} __packed;
diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
index 430f0ae0dde2d..cfb0b51a09982 100644
--- a/include/asm-generic/mshyperv.h
+++ b/include/asm-generic/mshyperv.h
@@ -21,6 +21,7 @@
#include <linux/types.h>
#include <linux/atomic.h>
#include <linux/bitops.h>
+#include <acpi/acpi_numa.h>
#include <linux/cpumask.h>
#include <linux/nmi.h>
#include <asm/ptrace.h>
@@ -67,6 +68,19 @@ extern u64 hv_do_fast_hypercall8(u16 control, u64 input8);
bool hv_isolation_type_snp(void);
bool hv_isolation_type_tdx(void);
+static inline struct hv_proximity_domain_info hv_numa_node_to_pxm_info(int node)
+{
+ struct hv_proximity_domain_info pxm_info = {};
+
+ if (node != NUMA_NO_NODE) {
+ pxm_info.domain_id = node_to_pxm(node);
+ pxm_info.flags.proximity_info_valid = 1;
+ pxm_info.flags.proximity_preferred = 1;
+ }
+
+ return pxm_info;
+}
+
/* Helper functions that provide a consistent pattern for checking Hyper-V hypercall status. */
static inline int hv_result(u64 status)
{
--
GitLab
From f6c8f5e8694c7a78c94e408b628afa6255cc428a Mon Sep 17 00:00:00 2001
From: Jakub Kicinski <kuba@kernel.org>
Date: Wed, 20 Mar 2024 19:02:14 -0700
Subject: [PATCH 1461/2686] tools: ynl: fix setting presence bits in simple
nests
When we set members of simple nested structures in requests
we need to set "presence" bits for all the nesting layers
below. This has nothing to do with the presence type of
the last layer.
Fixes: be5bea1cc0bf ("net: add basic C code generators for Netlink")
Reviewed-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240321020214.1250202-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
tools/net/ynl/ynl-gen-c.py | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index 6b7eb2d2aaf18..a451cbfbd781d 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -228,8 +228,11 @@ class Type(SpecAttr):
presence = ''
for i in range(0, len(ref)):
presence = f"{var}->{'.'.join(ref[:i] + [''])}_present.{ref[i]}"
- if self.presence_type() == 'bit':
- code.append(presence + ' = 1;')
+ # Every layer below last is a nest, so we know it uses bit presence
+ # last layer is "self" and may be a complex type
+ if i == len(ref) - 1 and self.presence_type() != 'bit':
+ continue
+ code.append(presence + ' = 1;')
code += self._setter_lines(ri, member, presence)
func_name = f"{op_prefix(ri, direction, deref=deref)}_set_{'_'.join(ref)}"
--
GitLab
From 9145e2249ed68af99fdbbbf6111aaf0e2dfb72d0 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Thu, 21 Mar 2024 17:42:18 +0300
Subject: [PATCH 1462/2686] nexthop: fix uninitialized variable in
nla_put_nh_group_stats()
The "*hw_stats_used" value needs to be set on the success paths to prevent
an uninitialized variable bug in the caller, nla_put_nh_group_stats().
Fixes: 5072ae00aea4 ("net: nexthop: Expose nexthop group HW stats to user space")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/f08ac289-d57f-4a1a-830f-cf9a0563cb9c@moroto.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/ipv4/nexthop.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index 74928a9d1aa48..535856b0f0edc 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -768,8 +768,10 @@ static int nh_grp_hw_stats_update(struct nexthop *nh, bool *hw_stats_used)
struct net *net = nh->net;
int err;
- if (nexthop_notifiers_is_empty(net))
+ if (nexthop_notifiers_is_empty(net)) {
+ *hw_stats_used = false;
return 0;
+ }
err = nh_notifier_grp_hw_stats_init(&info, nh);
if (err)
--
GitLab
From c04f7dfe6ec2a3a20a8578d5f67a436ae36e2a2a Mon Sep 17 00:00:00 2001
From: Ido Schimmel <idosch@nvidia.com>
Date: Thu, 21 Mar 2024 19:30:42 +0200
Subject: [PATCH 1463/2686] ipv6: Fix address dump when IPv6 is disabled on an
interface
Cited commit started returning an error when user space requests to dump
the interface's IPv6 addresses and IPv6 is disabled on the interface.
Restore the previous behavior and do not return an error.
Before cited commit:
# ip address show dev dummy1
2: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
link/ether 1a:52:02:5a:c2:6e brd ff:ff:ff:ff:ff:ff
inet6 fe80::1852:2ff:fe5a:c26e/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
# ip link set dev dummy1 mtu 1000
# ip address show dev dummy1
2: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1000 qdisc noqueue state UNKNOWN group default qlen 1000
link/ether 1a:52:02:5a:c2:6e brd ff:ff:ff:ff:ff:ff
After cited commit:
# ip address show dev dummy1
2: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
link/ether 1e:9b:94:00:ac:e8 brd ff:ff:ff:ff:ff:ff
inet6 fe80::1c9b:94ff:fe00:ace8/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
# ip link set dev dummy1 mtu 1000
# ip address show dev dummy1
RTNETLINK answers: No such device
Dump terminated
With this patch:
# ip address show dev dummy1
2: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
link/ether 42:35:fc:53:66:cf brd ff:ff:ff:ff:ff:ff
inet6 fe80::4035:fcff:fe53:66cf/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
# ip link set dev dummy1 mtu 1000
# ip address show dev dummy1
2: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1000 qdisc noqueue state UNKNOWN group default qlen 1000
link/ether 42:35:fc:53:66:cf brd ff:ff:ff:ff:ff:ff
Fixes: 9cc4cc329d30 ("ipv6: use xa_array iterator to implement inet6_dump_addr()")
Reported-by: Gal Pressman <gal@nvidia.com>
Closes: https://lore.kernel.org/netdev/7e261328-42eb-411d-b1b4-ad884eeaae4d@linux.dev/
Tested-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240321173042.2151756-1-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/ipv6/addrconf.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 247bd4d8ee45a..92db9b474f2bd 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -5416,10 +5416,11 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
err = 0;
if (fillargs.ifindex) {
- err = -ENODEV;
dev = dev_get_by_index_rcu(tgt_net, fillargs.ifindex);
- if (!dev)
+ if (!dev) {
+ err = -ENODEV;
goto done;
+ }
idev = __in6_dev_get(dev);
if (idev)
err = in6_dump_addrs(idev, skb, cb,
--
GitLab
From f7f5d1808b1b66935a24dd796dd1a0612ca9c147 Mon Sep 17 00:00:00 2001
From: Puranjay Mohan <puranjay12@gmail.com>
Date: Thu, 21 Mar 2024 15:39:39 +0000
Subject: [PATCH 1464/2686] bpf: verifier: fix addr_space_cast from as(1) to
as(0)
The verifier currently converts addr_space_cast from as(1) to as(0) that
is: BPF_ALU64 | BPF_MOV | BPF_X with off=1 and imm=1
to
BPF_ALU | BPF_MOV | BPF_X with imm=1 (32-bit mov)
Because of this imm=1, the JITs that have bpf_jit_needs_zext() == true,
interpret the converted instruction as BPF_ZEXT_REG(DST) which is a
special form of mov32, used for doing explicit zero extension on dst.
These JITs will just zero extend the dst reg and will not move the src to
dst before the zext.
Fix do_misc_fixups() to set imm=0 when converting addr_space_cast to a
normal mov32.
The JITs that have bpf_jit_needs_zext() == true rely on the verifier to
emit zext instructions. Mark dst_reg as subreg when doing cast from
as(1) to as(0) so the verifier emits a zext instruction after the mov.
Fixes: 6082b6c328b5 ("bpf: Recognize addr_space_cast instruction in the verifier.")
Signed-off-by: Puranjay Mohan <puranjay12@gmail.com>
Link: https://lore.kernel.org/r/20240321153939.113996-1-puranjay12@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
kernel/bpf/verifier.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 1dd3b99d1bb96..2cd7e0e792839 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -14054,8 +14054,11 @@ static int check_alu_op(struct bpf_verifier_env *env, struct bpf_insn *insn)
if (insn->imm) {
/* off == BPF_ADDR_SPACE_CAST */
mark_reg_unknown(env, regs, insn->dst_reg);
- if (insn->imm == 1) /* cast from as(1) to as(0) */
+ if (insn->imm == 1) { /* cast from as(1) to as(0) */
dst_reg->type = PTR_TO_ARENA;
+ /* PTR_TO_ARENA is 32-bit */
+ dst_reg->subreg_def = env->insn_idx + 1;
+ }
} else if (insn->off == 0) {
/* case: R1 = R2
* copy register state to dest reg
@@ -19609,8 +19612,9 @@ static int do_misc_fixups(struct bpf_verifier_env *env)
(((struct bpf_map *)env->prog->aux->arena)->map_flags & BPF_F_NO_USER_CONV)) {
/* convert to 32-bit mov that clears upper 32-bit */
insn->code = BPF_ALU | BPF_MOV | BPF_X;
- /* clear off, so it's a normal 'wX = wY' from JIT pov */
+ /* clear off and imm, so it's a normal 'wX = wY' from JIT pov */
insn->off = 0;
+ insn->imm = 0;
} /* cast from as(0) to as(1) should be handled by JIT */
goto next_insn;
}
--
GitLab
From fa3550dca8f02ec312727653a94115ef3ab68445 Mon Sep 17 00:00:00 2001
From: Puranjay Mohan <puranjay12@gmail.com>
Date: Fri, 22 Mar 2024 13:35:52 +0000
Subject: [PATCH 1465/2686] selftests/bpf: verifier_arena: fix mmap address for
arm64
The arena_list selftest uses (1ull << 32) in the mmap address
computation for arm64. Use the same in the verifier_arena selftest.
This makes the selftest pass for arm64 on the CI[1].
[1] https://github.com/kernel-patches/bpf/pull/6622
Signed-off-by: Puranjay Mohan <puranjay12@gmail.com>
Link: https://lore.kernel.org/r/20240322133552.70681-1-puranjay12@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
tools/testing/selftests/bpf/progs/verifier_arena.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/bpf/progs/verifier_arena.c b/tools/testing/selftests/bpf/progs/verifier_arena.c
index 969bc091060bf..93144ae6df741 100644
--- a/tools/testing/selftests/bpf/progs/verifier_arena.c
+++ b/tools/testing/selftests/bpf/progs/verifier_arena.c
@@ -12,7 +12,11 @@ struct {
__uint(type, BPF_MAP_TYPE_ARENA);
__uint(map_flags, BPF_F_MMAPABLE);
__uint(max_entries, 2); /* arena of two pages close to 32-bit boundary*/
- __ulong(map_extra, (1ull << 44) | (~0u - __PAGE_SIZE * 2 + 1)); /* start of mmap() region */
+#ifdef __TARGET_ARCH_arm64
+ __ulong(map_extra, (1ull << 32) | (~0u - __PAGE_SIZE * 2 + 1)); /* start of mmap() region */
+#else
+ __ulong(map_extra, (1ull << 44) | (~0u - __PAGE_SIZE * 2 + 1)); /* start of mmap() region */
+#endif
} arena SEC(".maps");
SEC("syscall")
--
GitLab
From 122fdbd2a030a95128737fc77e47df15a8f170c3 Mon Sep 17 00:00:00 2001
From: Puranjay Mohan <puranjay12@gmail.com>
Date: Fri, 22 Mar 2024 15:35:18 +0000
Subject: [PATCH 1466/2686] bpf: verifier: reject addr_space_cast insn without
arena
The verifier allows using the addr_space_cast instruction in a program
that doesn't have an associated arena. This was caught in the form an
invalid memory access in do_misc_fixups() when while converting
addr_space_cast to a normal 32-bit mov, env->prog->aux->arena was
dereferenced to check for BPF_F_NO_USER_CONV flag.
Reject programs that include the addr_space_cast instruction but don't
have an associated arena.
root@rv-tester:~# ./reproducer
Unable to handle kernel access to user memory without uaccess routines at virtual address 0000000000000030
Oops [#1]
[<ffffffff8017eeaa>] do_misc_fixups+0x43c/0x1168
[<ffffffff801936d6>] bpf_check+0xda8/0x22b6
[<ffffffff80174b32>] bpf_prog_load+0x486/0x8dc
[<ffffffff80176566>] __sys_bpf+0xbd8/0x214e
[<ffffffff80177d14>] __riscv_sys_bpf+0x22/0x2a
[<ffffffff80d2493a>] do_trap_ecall_u+0x102/0x17c
[<ffffffff80d3048c>] ret_from_exception+0x0/0x64
Fixes: 6082b6c328b5 ("bpf: Recognize addr_space_cast instruction in the verifier.")
Reported-by: xingwei lee <xrivendell7@gmail.com>
Reported-by: yue sun <samsun1006219@gmail.com>
Closes: https://lore.kernel.org/bpf/CABOYnLz09O1+2gGVJuCxd_24a-7UueXzV-Ff+Fr+h5EKFDiYCQ@mail.gmail.com/
Signed-off-by: Puranjay Mohan <puranjay12@gmail.com>
Link: https://lore.kernel.org/r/20240322153518.11555-1-puranjay12@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
kernel/bpf/verifier.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 2cd7e0e792839..0bfc0050db28d 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -14022,6 +14022,10 @@ static int check_alu_op(struct bpf_verifier_env *env, struct bpf_insn *insn)
verbose(env, "addr_space_cast insn can only convert between address space 1 and 0\n");
return -EINVAL;
}
+ if (!env->prog->aux->arena) {
+ verbose(env, "addr_space_cast insn can only be used in a program that has an associated arena\n");
+ return -EINVAL;
+ }
} else {
if ((insn->off != 0 && insn->off != 8 && insn->off != 16 &&
insn->off != 32) || insn->imm) {
--
GitLab
From c90399fbd74a0713d5972a6d931e4a9918621e88 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 22 Mar 2024 19:56:35 +0100
Subject: [PATCH 1467/2686] x86/cpu: Ensure that CPU info updates are
propagated on UP
The boot sequence evaluates CPUID information twice:
1) During early boot
2) When finalizing the early setup right before
mitigations are selected and alternatives are patched.
In both cases the evaluation is stored in boot_cpu_data, but on UP the
copying of boot_cpu_data to the per CPU info of the boot CPU happens
between #1 and #2. So any update which happens in #2 is never propagated to
the per CPU info instance.
Consolidate the whole logic and copy boot_cpu_data right before applying
alternatives as that's the point where boot_cpu_data is in it's final
state and not supposed to change anymore.
This also removes the voodoo mb() from smp_prepare_cpus_common() which
had absolutely no purpose.
Fixes: 71eb4893cfaf ("x86/percpu: Cure per CPU madness on UP")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240322185305.127642785@linutronix.de
---
arch/x86/kernel/cpu/common.c | 9 +++++++++
arch/x86/kernel/setup.c | 10 ----------
arch/x86/kernel/smpboot.c | 32 +++++---------------------------
3 files changed, 14 insertions(+), 37 deletions(-)
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index ba8cf5e9ce563..5c1e6d6be267a 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -2307,6 +2307,8 @@ void arch_smt_update(void)
void __init arch_cpu_finalize_init(void)
{
+ struct cpuinfo_x86 *c = this_cpu_ptr(&cpu_info);
+
identify_boot_cpu();
select_idle_routine();
@@ -2345,6 +2347,13 @@ void __init arch_cpu_finalize_init(void)
fpu__init_system();
fpu__init_cpu();
+ /*
+ * Ensure that access to the per CPU representation has the initial
+ * boot CPU configuration.
+ */
+ *c = boot_cpu_data;
+ c->initialized = true;
+
alternative_instructions();
if (IS_ENABLED(CONFIG_X86_64)) {
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 3e1e96efadfe7..ef206500ed6f2 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1206,16 +1206,6 @@ void __init i386_reserve_resources(void)
#endif /* CONFIG_X86_32 */
-#ifndef CONFIG_SMP
-void __init smp_prepare_boot_cpu(void)
-{
- struct cpuinfo_x86 *c = &cpu_data(0);
-
- *c = boot_cpu_data;
- c->initialized = true;
-}
-#endif
-
static struct notifier_block kernel_offset_notifier = {
.notifier_call = dump_kernel_offset
};
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index fe355c89f6c11..76bb65045c649 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -313,14 +313,6 @@ static void notrace start_secondary(void *unused)
cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
}
-static void __init smp_store_boot_cpu_info(void)
-{
- struct cpuinfo_x86 *c = &cpu_data(0);
-
- *c = boot_cpu_data;
- c->initialized = true;
-}
-
/*
* The bootstrap kernel entry code has set these up. Save them for
* a given CPU
@@ -1039,29 +1031,15 @@ static __init void disable_smp(void)
cpumask_set_cpu(0, topology_die_cpumask(0));
}
-static void __init smp_cpu_index_default(void)
-{
- int i;
- struct cpuinfo_x86 *c;
-
- for_each_possible_cpu(i) {
- c = &cpu_data(i);
- /* mark all to hotplug */
- c->cpu_index = nr_cpu_ids;
- }
-}
-
void __init smp_prepare_cpus_common(void)
{
unsigned int i;
- smp_cpu_index_default();
-
- /*
- * Setup boot CPU information
- */
- smp_store_boot_cpu_info(); /* Final full version of the data */
- mb();
+ /* Mark all except the boot CPU as hotpluggable */
+ for_each_possible_cpu(i) {
+ if (i)
+ per_cpu(cpu_info.cpu_index, i) = nr_cpu_ids;
+ }
for_each_possible_cpu(i) {
zalloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL);
--
GitLab
From 7af541cee1e0eb48c6eb439bc6309175339fa96f Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 22 Mar 2024 19:56:36 +0100
Subject: [PATCH 1468/2686] x86/topology: Don't evaluate logical IDs during
early boot
The local APICs have not yet been enumerated so the logical ID evaluation
from the topology bitmaps does not work and would return an error code.
Skip the evaluation during the early boot CPUID evaluation and only apply
it on the final run.
Fixes: 380414be78bf ("x86/cpu/topology: Use topology logical mapping mechanism")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240322185305.186943142@linutronix.de
---
arch/x86/kernel/cpu/topology_common.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/arch/x86/kernel/cpu/topology_common.c b/arch/x86/kernel/cpu/topology_common.c
index a50ae8d63d1c8..9a6069e7133c9 100644
--- a/arch/x86/kernel/cpu/topology_common.c
+++ b/arch/x86/kernel/cpu/topology_common.c
@@ -140,7 +140,7 @@ static void parse_topology(struct topo_scan *tscan, bool early)
}
}
-static void topo_set_ids(struct topo_scan *tscan)
+static void topo_set_ids(struct topo_scan *tscan, bool early)
{
struct cpuinfo_x86 *c = tscan->c;
u32 apicid = c->topo.apicid;
@@ -148,8 +148,10 @@ static void topo_set_ids(struct topo_scan *tscan)
c->topo.pkg_id = topo_shift_apicid(apicid, TOPO_PKG_DOMAIN);
c->topo.die_id = topo_shift_apicid(apicid, TOPO_DIE_DOMAIN);
- c->topo.logical_pkg_id = topology_get_logical_id(apicid, TOPO_PKG_DOMAIN);
- c->topo.logical_die_id = topology_get_logical_id(apicid, TOPO_DIE_DOMAIN);
+ if (!early) {
+ c->topo.logical_pkg_id = topology_get_logical_id(apicid, TOPO_PKG_DOMAIN);
+ c->topo.logical_die_id = topology_get_logical_id(apicid, TOPO_DIE_DOMAIN);
+ }
/* Package relative core ID */
c->topo.core_id = (apicid & topo_domain_mask(TOPO_PKG_DOMAIN)) >>
@@ -187,7 +189,7 @@ void cpu_parse_topology(struct cpuinfo_x86 *c)
tscan.dom_shifts[dom], x86_topo_system.dom_shifts[dom]);
}
- topo_set_ids(&tscan);
+ topo_set_ids(&tscan, false);
}
void __init cpu_init_topology(struct cpuinfo_x86 *c)
@@ -208,7 +210,7 @@ void __init cpu_init_topology(struct cpuinfo_x86 *c)
x86_topo_system.dom_size[dom] = 1U << sft;
}
- topo_set_ids(&tscan);
+ topo_set_ids(&tscan, true);
/*
* AMD systems have Nodes per package which cannot be mapped to
--
GitLab
From 5e25eb25dae9fa0700bbe42aff0e2f105fcd096a Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 22 Mar 2024 19:56:38 +0100
Subject: [PATCH 1469/2686] x86/topology: Handle the !APIC case gracefully
If there is no local APIC enumerated and registered then the topology
bitmaps are empty. Therefore, topology_init_possible_cpus() will die with
a division by zero exception.
Prevent this by registering a fake APIC id to populate the topology
bitmap. This also allows to use all topology query interfaces
unconditionally. It does not affect the actual APIC code because either
the local APIC address was not registered or no local APIC could be
detected.
Fixes: f1f758a80516 ("x86/topology: Add a mechanism to track topology via APIC IDs")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240322185305.242709302@linutronix.de
---
arch/x86/kernel/cpu/topology.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/x86/kernel/cpu/topology.c b/arch/x86/kernel/cpu/topology.c
index 3259b1d4fefe3..aaca8d235dc2b 100644
--- a/arch/x86/kernel/cpu/topology.c
+++ b/arch/x86/kernel/cpu/topology.c
@@ -415,6 +415,17 @@ void __init topology_init_possible_cpus(void)
unsigned int total = assigned + disabled;
u32 apicid, firstid;
+ /*
+ * If there was no APIC registered, then fake one so that the
+ * topology bitmap is populated. That ensures that the code below
+ * is valid and the various query interfaces can be used
+ * unconditionally. This does not affect the actual APIC code in
+ * any way because either the local APIC address has not been
+ * registered or the local APIC was disabled on the command line.
+ */
+ if (topo_info.boot_cpu_apic_id == BAD_APICID)
+ topology_register_boot_apic(0);
+
if (!restrict_to_up()) {
if (WARN_ON_ONCE(assigned > nr_cpu_ids)) {
disabled += assigned - nr_cpu_ids;
--
GitLab
From f2208aa12c27bfada3c15c550c03ca81d42dcac2 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 22 Mar 2024 19:56:39 +0100
Subject: [PATCH 1470/2686] x86/mpparse: Register APIC address only once
The APIC address is registered twice. First during the early detection and
afterwards when actually scanning the table for APIC IDs. The APIC and
topology core warn about the second attempt.
Restrict it to the early detection call.
Fixes: 81287ad65da5 ("x86/apic: Sanitize APIC address setup")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240322185305.297774848@linutronix.de
---
arch/x86/kernel/mpparse.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 1ccd30c8246fa..e89171b0347a6 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -197,12 +197,12 @@ static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)
if (!smp_check_mpc(mpc, oem, str))
return 0;
- /* Initialize the lapic mapping */
- if (!acpi_lapic)
- register_lapic_address(mpc->lapic);
-
- if (early)
+ if (early) {
+ /* Initialize the lapic mapping */
+ if (!acpi_lapic)
+ register_lapic_address(mpc->lapic);
return 1;
+ }
/* Now process the configuration blocks. */
while (count < mpc->length) {
--
GitLab
From a8ed59a3a8de2648e69dd5936f5771ac4c92d085 Mon Sep 17 00:00:00 2001
From: Tony Luck <tony.luck@intel.com>
Date: Fri, 22 Mar 2024 11:20:15 -0700
Subject: [PATCH 1471/2686] Documentation/x86: Document that resctrl bandwidth
control units are MiB
The memory bandwidth software controller uses 2^20 units rather than
10^6. See mbm_bw_count() which computes bandwidth using the "SZ_1M"
Linux define for 0x00100000.
Update the documentation to use MiB when describing this feature.
It's too late to fix the mount option "mba_MBps" as that is now an
established user interface.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240322182016.196544-1-tony.luck@intel.com
---
Documentation/arch/x86/resctrl.rst | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/Documentation/arch/x86/resctrl.rst b/Documentation/arch/x86/resctrl.rst
index a6279df64a9db..3712d81cb50c6 100644
--- a/Documentation/arch/x86/resctrl.rst
+++ b/Documentation/arch/x86/resctrl.rst
@@ -45,7 +45,7 @@ mount options are:
Enable code/data prioritization in L2 cache allocations.
"mba_MBps":
Enable the MBA Software Controller(mba_sc) to specify MBA
- bandwidth in MBps
+ bandwidth in MiBps
"debug":
Make debug files accessible. Available debug files are annotated with
"Available only with debug option".
@@ -526,7 +526,7 @@ threads start using more cores in an rdtgroup, the actual bandwidth may
increase or vary although user specified bandwidth percentage is same.
In order to mitigate this and make the interface more user friendly,
-resctrl added support for specifying the bandwidth in MBps as well. The
+resctrl added support for specifying the bandwidth in MiBps as well. The
kernel underneath would use a software feedback mechanism or a "Software
Controller(mba_sc)" which reads the actual bandwidth using MBM counters
and adjust the memory bandwidth percentages to ensure::
@@ -573,13 +573,13 @@ Memory b/w domain is L3 cache.
MB:<cache_id0>=bandwidth0;<cache_id1>=bandwidth1;...
-Memory bandwidth Allocation specified in MBps
+Memory bandwidth Allocation specified in MiBps
---------------------------------------------
Memory bandwidth domain is L3 cache.
::
- MB:<cache_id0>=bw_MBps0;<cache_id1>=bw_MBps1;...
+ MB:<cache_id0>=bw_MiBps0;<cache_id1>=bw_MiBps1;...
Slow Memory Bandwidth Allocation (SMBA)
---------------------------------------
--
GitLab
From 10e4b5166df9ff7a2d5316138ca668b42d004422 Mon Sep 17 00:00:00 2001
From: Adamos Ttofari <attofari@amazon.de>
Date: Fri, 22 Mar 2024 16:04:39 -0700
Subject: [PATCH 1472/2686] x86/fpu: Keep xfd_state in sync with MSR_IA32_XFD
Commit 672365477ae8 ("x86/fpu: Update XFD state where required") and
commit 8bf26758ca96 ("x86/fpu: Add XFD state to fpstate") introduced a
per CPU variable xfd_state to keep the MSR_IA32_XFD value cached, in
order to avoid unnecessary writes to the MSR.
On CPU hotplug MSR_IA32_XFD is reset to the init_fpstate.xfd, which
wipes out any stale state. But the per CPU cached xfd value is not
reset, which brings them out of sync.
As a consequence a subsequent xfd_update_state() might fail to update
the MSR which in turn can result in XRSTOR raising a #NM in kernel
space, which crashes the kernel.
To fix this, introduce xfd_set_state() to write xfd_state together
with MSR_IA32_XFD, and use it in all places that set MSR_IA32_XFD.
Fixes: 672365477ae8 ("x86/fpu: Update XFD state where required")
Signed-off-by: Adamos Ttofari <attofari@amazon.de>
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240322230439.456571-1-chang.seok.bae@intel.com
Closes: https://lore.kernel.org/lkml/20230511152818.13839-1-attofari@amazon.de
---
arch/x86/kernel/fpu/xstate.c | 5 +++--
arch/x86/kernel/fpu/xstate.h | 14 ++++++++++----
2 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 117e74c44e756..33a214b1a4cec 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -178,10 +178,11 @@ void fpu__init_cpu_xstate(void)
* Must happen after CR4 setup and before xsetbv() to allow KVM
* lazy passthrough. Write independent of the dynamic state static
* key as that does not work on the boot CPU. This also ensures
- * that any stale state is wiped out from XFD.
+ * that any stale state is wiped out from XFD. Reset the per CPU
+ * xfd cache too.
*/
if (cpu_feature_enabled(X86_FEATURE_XFD))
- wrmsrl(MSR_IA32_XFD, init_fpstate.xfd);
+ xfd_set_state(init_fpstate.xfd);
/*
* XCR_XFEATURE_ENABLED_MASK (aka. XCR0) sets user features
diff --git a/arch/x86/kernel/fpu/xstate.h b/arch/x86/kernel/fpu/xstate.h
index 3518fb26d06b0..19ca623ffa2ac 100644
--- a/arch/x86/kernel/fpu/xstate.h
+++ b/arch/x86/kernel/fpu/xstate.h
@@ -148,20 +148,26 @@ static inline void xfd_validate_state(struct fpstate *fpstate, u64 mask, bool rs
#endif
#ifdef CONFIG_X86_64
+static inline void xfd_set_state(u64 xfd)
+{
+ wrmsrl(MSR_IA32_XFD, xfd);
+ __this_cpu_write(xfd_state, xfd);
+}
+
static inline void xfd_update_state(struct fpstate *fpstate)
{
if (fpu_state_size_dynamic()) {
u64 xfd = fpstate->xfd;
- if (__this_cpu_read(xfd_state) != xfd) {
- wrmsrl(MSR_IA32_XFD, xfd);
- __this_cpu_write(xfd_state, xfd);
- }
+ if (__this_cpu_read(xfd_state) != xfd)
+ xfd_set_state(xfd);
}
}
extern int __xfd_enable_feature(u64 which, struct fpu_guest *guest_fpu);
#else
+static inline void xfd_set_state(u64 xfd) { }
+
static inline void xfd_update_state(struct fpstate *fpstate) { }
static inline int __xfd_enable_feature(u64 which, struct fpu_guest *guest_fpu) {
--
GitLab
From 8a8a9c9047d1089598bdb010ec44d7f14b4f9203 Mon Sep 17 00:00:00 2001
From: Tony Luck <tony.luck@intel.com>
Date: Fri, 22 Mar 2024 09:17:25 -0700
Subject: [PATCH 1473/2686] x86/cpu: Add model number for another Intel Arrow
Lake mobile processor
This one is the regular laptop CPU.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240322161725.195614-1-tony.luck@intel.com
---
arch/x86/include/asm/intel-family.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h
index b65e9c46b9221..d0941f4c27249 100644
--- a/arch/x86/include/asm/intel-family.h
+++ b/arch/x86/include/asm/intel-family.h
@@ -127,6 +127,7 @@
#define INTEL_FAM6_ARROWLAKE_H 0xC5
#define INTEL_FAM6_ARROWLAKE 0xC6
+#define INTEL_FAM6_ARROWLAKE_U 0xB5
#define INTEL_FAM6_LUNARLAKE_M 0xBD
--
GitLab
From 4d0d7e7852752ea56375ac8645f0239e21ca2b50 Mon Sep 17 00:00:00 2001
From: Tom Lendacky <thomas.lendacky@amd.com>
Date: Fri, 22 Mar 2024 10:41:06 -0500
Subject: [PATCH 1474/2686] x86/boot/64: Apply encryption mask to 5-level
pagetable update
When running with 5-level page tables, the kernel mapping PGD entry is
updated to point to the P4D table. The assignment uses _PAGE_TABLE_NOENC,
which, when SME is active (mem_encrypt=on), results in a page table
entry without the encryption mask set, causing the system to crash on
boot.
Change the assignment to use _PAGE_TABLE instead of _PAGE_TABLE_NOENC so
that the encryption mask is set for the PGD entry.
Fixes: 533568e06b15 ("x86/boot/64: Use RIP_REL_REF() to access early_top_pgt[]")
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/8f20345cda7dbba2cf748b286e1bc00816fe649a.1711122067.git.thomas.lendacky@amd.com
---
arch/x86/kernel/head64.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 212e8e06aeba2..7d2eb035b6a36 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -175,7 +175,7 @@ unsigned long __head __startup_64(unsigned long physaddr,
p4d = (p4dval_t *)&RIP_REL_REF(level4_kernel_pgt);
p4d[MAX_PTRS_PER_P4D - 1] += load_delta;
- pgd[pgd_index(__START_KERNEL_map)] = (pgdval_t)p4d | _PAGE_TABLE_NOENC;
+ pgd[pgd_index(__START_KERNEL_map)] = (pgdval_t)p4d | _PAGE_TABLE;
}
RIP_REL_REF(level3_kernel_pgt)[PTRS_PER_PUD - 2].pud += load_delta;
--
GitLab
From 9843231c97267d72be38a0409f5097987bc2cfa4 Mon Sep 17 00:00:00 2001
From: Tom Lendacky <thomas.lendacky@amd.com>
Date: Fri, 22 Mar 2024 10:41:07 -0500
Subject: [PATCH 1475/2686] x86/boot/64: Move 5-level paging global variable
assignments back
Commit 63bed9660420 ("x86/startup_64: Defer assignment of 5-level paging
global variables") moved assignment of 5-level global variables to later
in the boot in order to avoid having to use RIP relative addressing in
order to set them. However, when running with 5-level paging and SME
active (mem_encrypt=on), the variables are needed as part of the page
table setup needed to encrypt the kernel (using pgd_none(), p4d_offset(),
etc.). Since the variables haven't been set, the page table manipulation
is done as if 4-level paging is active, causing the system to crash on
boot.
While only a subset of the assignments that were moved need to be set
early, move all of the assignments back into check_la57_support() so that
these assignments aren't spread between two locations. Instead of just
reverting the fix, this uses the new RIP_REL_REF() macro when assigning
the variables.
Fixes: 63bed9660420 ("x86/startup_64: Defer assignment of 5-level paging global variables")
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/2ca419f4d0de719926fd82353f6751f717590a86.1711122067.git.thomas.lendacky@amd.com
---
arch/x86/kernel/head64.c | 16 +++++++---------
1 file changed, 7 insertions(+), 9 deletions(-)
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 7d2eb035b6a36..a817ed0724d1e 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -81,6 +81,13 @@ static inline bool check_la57_support(void)
if (!(native_read_cr4() & X86_CR4_LA57))
return false;
+ RIP_REL_REF(__pgtable_l5_enabled) = 1;
+ RIP_REL_REF(pgdir_shift) = 48;
+ RIP_REL_REF(ptrs_per_p4d) = 512;
+ RIP_REL_REF(page_offset_base) = __PAGE_OFFSET_BASE_L5;
+ RIP_REL_REF(vmalloc_base) = __VMALLOC_BASE_L5;
+ RIP_REL_REF(vmemmap_base) = __VMEMMAP_BASE_L5;
+
return true;
}
@@ -431,15 +438,6 @@ asmlinkage __visible void __init __noreturn x86_64_start_kernel(char * real_mode
(__START_KERNEL & PGDIR_MASK)));
BUILD_BUG_ON(__fix_to_virt(__end_of_fixed_addresses) <= MODULES_END);
- if (check_la57_support()) {
- __pgtable_l5_enabled = 1;
- pgdir_shift = 48;
- ptrs_per_p4d = 512;
- page_offset_base = __PAGE_OFFSET_BASE_L5;
- vmalloc_base = __VMALLOC_BASE_L5;
- vmemmap_base = __VMEMMAP_BASE_L5;
- }
-
cr4_init_shadow();
/* Kill off the identity-map trampoline */
--
GitLab
From cefcd4fe2e3aaf792c14c9e56dab89e3d7a65d02 Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ardb@kernel.org>
Date: Fri, 22 Mar 2024 17:03:58 +0200
Subject: [PATCH 1476/2686] x86/efistub: Call mixed mode boot services on the
firmware's stack
Normally, the EFI stub calls into the EFI boot services using the stack
that was live when the stub was entered. According to the UEFI spec,
this stack needs to be at least 128k in size - this might seem large but
all asynchronous processing and event handling in EFI runs from the same
stack and so quite a lot of space may be used in practice.
In mixed mode, the situation is a bit different: the bootloader calls
the 32-bit EFI stub entry point, which calls the decompressor's 32-bit
entry point, where the boot stack is set up, using a fixed allocation
of 16k. This stack is still in use when the EFI stub is started in
64-bit mode, and so all calls back into the EFI firmware will be using
the decompressor's limited boot stack.
Due to the placement of the boot stack right after the boot heap, any
stack overruns have gone unnoticed. However, commit
5c4feadb0011983b ("x86/decompressor: Move global symbol references to C code")
moved the definition of the boot heap into C code, and now the boot
stack is placed right at the base of BSS, where any overruns will
corrupt the end of the .data section.
While it would be possible to work around this by increasing the size of
the boot stack, doing so would affect all x86 systems, and mixed mode
systems are a tiny (and shrinking) fraction of the x86 installed base.
So instead, record the firmware stack pointer value when entering from
the 32-bit firmware, and switch to this stack every time a EFI boot
service call is made.
Cc: <stable@kernel.org> # v6.1+
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
arch/x86/boot/compressed/efi_mixed.S | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/x86/boot/compressed/efi_mixed.S b/arch/x86/boot/compressed/efi_mixed.S
index f4e22ef774ab6..719e939050cbf 100644
--- a/arch/x86/boot/compressed/efi_mixed.S
+++ b/arch/x86/boot/compressed/efi_mixed.S
@@ -49,6 +49,11 @@ SYM_FUNC_START(startup_64_mixed_mode)
lea efi32_boot_args(%rip), %rdx
mov 0(%rdx), %edi
mov 4(%rdx), %esi
+
+ /* Switch to the firmware's stack */
+ movl efi32_boot_sp(%rip), %esp
+ andl $~7, %esp
+
#ifdef CONFIG_EFI_HANDOVER_PROTOCOL
mov 8(%rdx), %edx // saved bootparams pointer
test %edx, %edx
@@ -254,6 +259,9 @@ SYM_FUNC_START_LOCAL(efi32_entry)
/* Store firmware IDT descriptor */
sidtl (efi32_boot_idt - 1b)(%ebx)
+ /* Store firmware stack pointer */
+ movl %esp, (efi32_boot_sp - 1b)(%ebx)
+
/* Store boot arguments */
leal (efi32_boot_args - 1b)(%ebx), %ebx
movl %ecx, 0(%ebx)
@@ -318,5 +326,6 @@ SYM_DATA_END(efi32_boot_idt)
SYM_DATA_LOCAL(efi32_boot_cs, .word 0)
SYM_DATA_LOCAL(efi32_boot_ds, .word 0)
+SYM_DATA_LOCAL(efi32_boot_sp, .long 0)
SYM_DATA_LOCAL(efi32_boot_args, .long 0, 0, 0)
SYM_DATA(efi_is64, .byte 1)
--
GitLab
From df7ecce842b846a04d087ba85fdb79a90e26a1b0 Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ardb@kernel.org>
Date: Fri, 22 Mar 2024 17:01:45 +0100
Subject: [PATCH 1477/2686] x86/efistub: Don't clear BSS twice in mixed mode
Clearing BSS should only be done once, at the very beginning.
efi_pe_entry() is the entrypoint from the firmware, which may not clear
BSS and so it is done explicitly. However, efi_pe_entry() is also used
as an entrypoint by the mixed mode startup code, in which case BSS will
already have been cleared, and doing it again at this point will corrupt
global variables holding the firmware's GDT/IDT and segment selectors.
So make the memset() conditional on whether the EFI stub is running in
native mode.
Fixes: b3810c5a2cc4a666 ("x86/efistub: Clear decompressor BSS in native EFI entrypoint")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
drivers/firmware/efi/libstub/x86-stub.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c
index 2096ae09438e4..1edf93e638975 100644
--- a/drivers/firmware/efi/libstub/x86-stub.c
+++ b/drivers/firmware/efi/libstub/x86-stub.c
@@ -476,7 +476,8 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
efi_status_t status;
char *cmdline_ptr;
- memset(_bss, 0, _ebss - _bss);
+ if (efi_is_native())
+ memset(_bss, 0, _ebss - _bss);
efi_system_table = sys_table_arg;
--
GitLab
From 62b71cd73d41ddac6b1760402bbe8c4932e23531 Mon Sep 17 00:00:00 2001
From: Oleksandr Tymoshenko <ovt@google.com>
Date: Sat, 23 Mar 2024 06:33:33 +0000
Subject: [PATCH 1478/2686] efi: fix panic in kdump kernel
Check if get_next_variable() is actually valid pointer before
calling it. In kdump kernel this method is set to NULL that causes
panic during the kexec-ed kernel boot.
Tested with QEMU and OVMF firmware.
Fixes: bad267f9e18f ("efi: verify that variable services are supported")
Signed-off-by: Oleksandr Tymoshenko <ovt@google.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
drivers/firmware/efi/efi.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 8859fb0b006d3..fdf07dd6f4591 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -203,6 +203,8 @@ static bool generic_ops_supported(void)
name_size = sizeof(name);
+ if (!efi.get_next_variable)
+ return false;
status = efi.get_next_variable(&name_size, &name, &guid);
if (status == EFI_UNSUPPORTED)
return false;
--
GitLab
From 4cece764965020c22cff7665b18a012006359095 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 24 Mar 2024 14:10:05 -0700
Subject: [PATCH 1479/2686] Linux 6.9-rc1
---
Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
index 5e09b53b48501..763b6792d3d51 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 6
-PATCHLEVEL = 8
+PATCHLEVEL = 9
SUBLEVEL = 0
-EXTRAVERSION =
+EXTRAVERSION = -rc1
NAME = Hurr durr I'ma ninja sloth
# *DOCUMENTATION*
--
GitLab
From 11763a8598f888dec631a8a903f7ada32181001f Mon Sep 17 00:00:00 2001
From: Lizhi Xu <lizhi.xu@windriver.com>
Date: Fri, 2 Feb 2024 20:15:31 +0800
Subject: [PATCH 1480/2686] fs/9p: fix uaf in in v9fs_stat2inode_dotl
The incorrect logical order of accessing the st object code in v9fs_fid_iget_dotl
is causing this uaf.
Fixes: 724a08450f74 ("fs/9p: simplify iget to remove unnecessary paths")
Reported-and-tested-by: syzbot+7a3d75905ea1a830dbe5@syzkaller.appspotmail.com
Signed-off-by: Lizhi Xu <lizhi.xu@windriver.com>
Tested-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Dominique Martinet <asmadeus@codewreck.org>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
---
fs/9p/vfs_inode_dotl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index ef9db3e035062..2b313fe7003e4 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -78,11 +78,11 @@ struct inode *v9fs_fid_iget_dotl(struct super_block *sb, struct p9_fid *fid)
retval = v9fs_init_inode(v9ses, inode, &fid->qid,
st->st_mode, new_decode_dev(st->st_rdev));
+ v9fs_stat2inode_dotl(st, inode, 0);
kfree(st);
if (retval)
goto error;
- v9fs_stat2inode_dotl(st, inode, 0);
v9fs_set_netfs_context(inode);
v9fs_cache_inode_get_cookie(inode);
retval = v9fs_get_acl(inode, fid);
--
GitLab
From 10211b4a23cf4a3df5c11a10e5b3d371f16a906f Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Thu, 29 Feb 2024 22:22:50 +0000
Subject: [PATCH 1481/2686] fs/9p: remove redundant pointer v9ses
Pointer v9ses is being assigned the value from the return of inlined
function v9fs_inode2v9ses (which just returns inode->i_sb->s_fs_info).
The pointer is not used after the assignment, so the variable is
redundant and can be removed.
Cleans up clang scan warnings such as:
fs/9p/vfs_inode_dotl.c:300:28: warning: variable 'v9ses' set but not
used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Dominique Martinet <asmadeus@codewreck.org>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
---
fs/9p/vfs_inode_dotl.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 2b313fe7003e4..55dde186041a3 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -297,7 +297,6 @@ static int v9fs_vfs_mkdir_dotl(struct mnt_idmap *idmap,
umode_t omode)
{
int err;
- struct v9fs_session_info *v9ses;
struct p9_fid *fid = NULL, *dfid = NULL;
kgid_t gid;
const unsigned char *name;
@@ -307,7 +306,6 @@ static int v9fs_vfs_mkdir_dotl(struct mnt_idmap *idmap,
struct posix_acl *dacl = NULL, *pacl = NULL;
p9_debug(P9_DEBUG_VFS, "name %pd\n", dentry);
- v9ses = v9fs_inode2v9ses(dir);
omode |= S_IFDIR;
if (dir->i_mode & S_ISGID)
@@ -739,7 +737,6 @@ v9fs_vfs_mknod_dotl(struct mnt_idmap *idmap, struct inode *dir,
kgid_t gid;
const unsigned char *name;
umode_t mode;
- struct v9fs_session_info *v9ses;
struct p9_fid *fid = NULL, *dfid = NULL;
struct inode *inode;
struct p9_qid qid;
@@ -749,7 +746,6 @@ v9fs_vfs_mknod_dotl(struct mnt_idmap *idmap, struct inode *dir,
dir->i_ino, dentry, omode,
MAJOR(rdev), MINOR(rdev));
- v9ses = v9fs_inode2v9ses(dir);
dfid = v9fs_parent_fid(dentry);
if (IS_ERR(dfid)) {
err = PTR_ERR(dfid);
--
GitLab
From a97b59ed796804612468a3fb0ac2a5567a100a7a Mon Sep 17 00:00:00 2001
From: Gao Xiang <hsiangkao@linux.alibaba.com>
Date: Mon, 25 Mar 2024 08:51:16 +0800
Subject: [PATCH 1482/2686] erofs: drop experimental warning for FSDAX
As EXT4/XFS filesystems, FSDAX functionality is considered to be stable.
Let's drop this warning.
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240325005116.106351-1-hsiangkao@linux.alibaba.com
---
fs/erofs/super.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index 69308fd73e4a9..c0eb139adb07a 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -430,7 +430,6 @@ static bool erofs_fc_set_dax_mode(struct fs_context *fc, unsigned int mode)
switch (mode) {
case EROFS_MOUNT_DAX_ALWAYS:
- warnfc(fc, "DAX enabled. Warning: EXPERIMENTAL, use at your own risk");
set_opt(&ctx->opt, DAX_ALWAYS);
clear_opt(&ctx->opt, DAX_NEVER);
return true;
--
GitLab
From 7557d296ad439f66a87cd34917af2a4172517826 Mon Sep 17 00:00:00 2001
From: Sandeep Dhavale <dhavale@google.com>
Date: Thu, 14 Mar 2024 16:14:06 -0700
Subject: [PATCH 1483/2686] MAINTAINERS: erofs: add myself as reviewer
I have been contributing to erofs for sometime and I would like to help
with code reviews as well.
Signed-off-by: Sandeep Dhavale <dhavale@google.com>
Acked-by: Chao Yu <chao@kernel.org>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240314231407.1000541-1-dhavale@google.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
---
MAINTAINERS | 1 +
1 file changed, 1 insertion(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index aa3b947fb0801..5ca50939497c6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7941,6 +7941,7 @@ M: Gao Xiang <xiang@kernel.org>
M: Chao Yu <chao@kernel.org>
R: Yue Hu <huyue2@coolpad.com>
R: Jeffle Xu <jefflexu@linux.alibaba.com>
+R: Sandeep Dhavale <dhavale@google.com>
L: linux-erofs@lists.ozlabs.org
S: Maintained
W: https://erofs.docs.kernel.org
--
GitLab
From 15922f5dbf51dad334cde888ce6835d377678dc9 Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 19 Mar 2024 11:29:03 +1100
Subject: [PATCH 1484/2686] xfs: allow sunit mount option to repair bad primary
sb stripe values
If a filesystem has a busted stripe alignment configuration on disk
(e.g. because broken RAID firmware told mkfs that swidth was smaller
than sunit), then the filesystem will refuse to mount due to the
stripe validation failing. This failure is triggering during distro
upgrades from old kernels lacking this check to newer kernels with
this check, and currently the only way to fix it is with offline
xfs_db surgery.
This runtime validity checking occurs when we read the superblock
for the first time and causes the mount to fail immediately. This
prevents the rewrite of stripe unit/width via
mount options that occurs later in the mount process. Hence there is
no way to recover this situation without resorting to offline xfs_db
rewrite of the values.
However, we parse the mount options long before we read the
superblock, and we know if the mount has been asked to re-write the
stripe alignment configuration when we are reading the superblock
and verifying it for the first time. Hence we can conditionally
ignore stripe verification failures if the mount options specified
will correct the issue.
We validate that the new stripe unit/width are valid before we
overwrite the superblock values, so we can ignore the invalid config
at verification and fail the mount later if the new values are not
valid. This, at least, gives users the chance of correcting the
issue after a kernel upgrade without having to resort to xfs-db
hacks.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
---
fs/xfs/libxfs/xfs_sb.c | 40 +++++++++++++++++++++++++++++++---------
fs/xfs/libxfs/xfs_sb.h | 5 +++--
2 files changed, 34 insertions(+), 11 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index d991eec054368..73a4b895de670 100644
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -530,7 +530,8 @@ xfs_validate_sb_common(
}
if (!xfs_validate_stripe_geometry(mp, XFS_FSB_TO_B(mp, sbp->sb_unit),
- XFS_FSB_TO_B(mp, sbp->sb_width), 0, false))
+ XFS_FSB_TO_B(mp, sbp->sb_width), 0,
+ xfs_buf_daddr(bp) == XFS_SB_DADDR, false))
return -EFSCORRUPTED;
/*
@@ -1323,8 +1324,10 @@ xfs_sb_get_secondary(
}
/*
- * sunit, swidth, sectorsize(optional with 0) should be all in bytes,
- * so users won't be confused by values in error messages.
+ * sunit, swidth, sectorsize(optional with 0) should be all in bytes, so users
+ * won't be confused by values in error messages. This function returns false
+ * if the stripe geometry is invalid and the caller is unable to repair the
+ * stripe configuration later in the mount process.
*/
bool
xfs_validate_stripe_geometry(
@@ -1332,20 +1335,21 @@ xfs_validate_stripe_geometry(
__s64 sunit,
__s64 swidth,
int sectorsize,
+ bool may_repair,
bool silent)
{
if (swidth > INT_MAX) {
if (!silent)
xfs_notice(mp,
"stripe width (%lld) is too large", swidth);
- return false;
+ goto check_override;
}
if (sunit > swidth) {
if (!silent)
xfs_notice(mp,
"stripe unit (%lld) is larger than the stripe width (%lld)", sunit, swidth);
- return false;
+ goto check_override;
}
if (sectorsize && (int)sunit % sectorsize) {
@@ -1353,21 +1357,21 @@ xfs_validate_stripe_geometry(
xfs_notice(mp,
"stripe unit (%lld) must be a multiple of the sector size (%d)",
sunit, sectorsize);
- return false;
+ goto check_override;
}
if (sunit && !swidth) {
if (!silent)
xfs_notice(mp,
"invalid stripe unit (%lld) and stripe width of 0", sunit);
- return false;
+ goto check_override;
}
if (!sunit && swidth) {
if (!silent)
xfs_notice(mp,
"invalid stripe width (%lld) and stripe unit of 0", swidth);
- return false;
+ goto check_override;
}
if (sunit && (int)swidth % (int)sunit) {
@@ -1375,9 +1379,27 @@ xfs_validate_stripe_geometry(
xfs_notice(mp,
"stripe width (%lld) must be a multiple of the stripe unit (%lld)",
swidth, sunit);
- return false;
+ goto check_override;
}
return true;
+
+check_override:
+ if (!may_repair)
+ return false;
+ /*
+ * During mount, mp->m_dalign will not be set unless the sunit mount
+ * option was set. If it was set, ignore the bad stripe alignment values
+ * and allow the validation and overwrite later in the mount process to
+ * attempt to overwrite the bad stripe alignment values with the values
+ * supplied by mount options.
+ */
+ if (!mp->m_dalign)
+ return false;
+ if (!silent)
+ xfs_notice(mp,
+"Will try to correct with specified mount options sunit (%d) and swidth (%d)",
+ BBTOB(mp->m_dalign), BBTOB(mp->m_swidth));
+ return true;
}
/*
diff --git a/fs/xfs/libxfs/xfs_sb.h b/fs/xfs/libxfs/xfs_sb.h
index 2e8e8d63d4eb2..37b1ed1bc2095 100644
--- a/fs/xfs/libxfs/xfs_sb.h
+++ b/fs/xfs/libxfs/xfs_sb.h
@@ -35,8 +35,9 @@ extern int xfs_sb_get_secondary(struct xfs_mount *mp,
struct xfs_trans *tp, xfs_agnumber_t agno,
struct xfs_buf **bpp);
-extern bool xfs_validate_stripe_geometry(struct xfs_mount *mp,
- __s64 sunit, __s64 swidth, int sectorsize, bool silent);
+bool xfs_validate_stripe_geometry(struct xfs_mount *mp,
+ __s64 sunit, __s64 swidth, int sectorsize, bool may_repair,
+ bool silent);
uint8_t xfs_compute_rextslog(xfs_rtbxlen_t rtextents);
--
GitLab
From f2e812c1522dab847912309b00abcc762dd696da Mon Sep 17 00:00:00 2001
From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 19 Mar 2024 09:36:28 +1100
Subject: [PATCH 1485/2686] xfs: don't use current->journal_info
syzbot reported an ext4 panic during a page fault where found a
journal handle when it didn't expect to find one. The structure
it tripped over had a value of 'TRAN' in the first entry in the
structure, and that indicates it tripped over a struct xfs_trans
instead of a jbd2 handle.
The reason for this is that the page fault was taken during a
copy-out to a user buffer from an xfs bulkstat operation. XFS uses
an "empty" transaction context for bulkstat to do automated metadata
buffer cleanup, and so the transaction context is valid across the
copyout of the bulkstat info into the user buffer.
We are using empty transaction contexts like this in XFS to reduce
the risk of failing to release objects we reference during the
operation, especially during error handling. Hence we really need to
ensure that we can take page faults from these contexts without
leaving landmines for the code processing the page fault to trip
over.
However, this same behaviour could happen from any other filesystem
that triggers a page fault or any other exception that is handled
on-stack from within a task context that has current->journal_info
set. Having a page fault from some other filesystem bounce into XFS
where we have to run a transaction isn't a bug at all, but the usage
of current->journal_info means that this could result corruption of
the outer task's journal_info structure.
The problem is purely that we now have two different contexts that
now think they own current->journal_info. IOWs, no filesystem can
allow page faults or on-stack exceptions while current->journal_info
is set by the filesystem because the exception processing might use
current->journal_info itself.
If we end up with nested XFS transactions whilst holding an empty
transaction, then it isn't an issue as the outer transaction does
not hold a log reservation. If we ignore the current->journal_info
usage, then the only problem that might occur is a deadlock if the
exception tries to take the same locks the upper context holds.
That, however, is not a problem that setting current->journal_info
would solve, so it's largely an irrelevant concern here.
IOWs, we really only use current->journal_info for a warning check
in xfs_vm_writepages() to ensure we aren't doing writeback from a
transaction context. Writeback might need to do allocation, so it
can need to run transactions itself. Hence it's a debug check to
warn us that we've done something silly, and largely it is not all
that useful.
So let's just remove all the use of current->journal_info in XFS and
get rid of all the potential issues from nested contexts where
current->journal_info might get misused by another filesystem
context.
Reported-by: syzbot+cdee56dbcdf0096ef605@syzkaller.appspotmail.com
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Mark Tinguely <mark.tinguely@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
---
fs/xfs/scrub/common.c | 4 +---
fs/xfs/xfs_aops.c | 7 -------
fs/xfs/xfs_icache.c | 8 +++++---
fs/xfs/xfs_trans.h | 9 +--------
4 files changed, 7 insertions(+), 21 deletions(-)
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c
index abff79a77c72b..47a20cf5205f0 100644
--- a/fs/xfs/scrub/common.c
+++ b/fs/xfs/scrub/common.c
@@ -1044,9 +1044,7 @@ xchk_irele(
struct xfs_scrub *sc,
struct xfs_inode *ip)
{
- if (current->journal_info != NULL) {
- ASSERT(current->journal_info == sc->tp);
-
+ if (sc->tp) {
/*
* If we are in a transaction, we /cannot/ drop the inode
* ourselves, because the VFS will trigger writeback, which
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 1698507d1ac73..3f428620ebf2a 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -503,13 +503,6 @@ xfs_vm_writepages(
{
struct xfs_writepage_ctx wpc = { };
- /*
- * Writing back data in a transaction context can result in recursive
- * transactions. This is bad, so issue a warning and get out of here.
- */
- if (WARN_ON_ONCE(current->journal_info))
- return 0;
-
xfs_iflags_clear(XFS_I(mapping->host), XFS_ITRUNCATED);
return iomap_writepages(mapping, wbc, &wpc.ctx, &xfs_writeback_ops);
}
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index e64265bc0b337..74f1812b03cbd 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -2039,8 +2039,10 @@ xfs_inodegc_want_queue_work(
* - Memory shrinkers queued the inactivation worker and it hasn't finished.
* - The queue depth exceeds the maximum allowable percpu backlog.
*
- * Note: If the current thread is running a transaction, we don't ever want to
- * wait for other transactions because that could introduce a deadlock.
+ * Note: If we are in a NOFS context here (e.g. current thread is running a
+ * transaction) the we don't want to block here as inodegc progress may require
+ * filesystem resources we hold to make progress and that could result in a
+ * deadlock. Hence we skip out of here if we are in a scoped NOFS context.
*/
static inline bool
xfs_inodegc_want_flush_work(
@@ -2048,7 +2050,7 @@ xfs_inodegc_want_flush_work(
unsigned int items,
unsigned int shrinker_hits)
{
- if (current->journal_info)
+ if (current->flags & PF_MEMALLOC_NOFS)
return false;
if (shrinker_hits > 0)
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 3f7e3a09a49ff..1636663707dc0 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -268,19 +268,14 @@ static inline void
xfs_trans_set_context(
struct xfs_trans *tp)
{
- ASSERT(current->journal_info == NULL);
tp->t_pflags = memalloc_nofs_save();
- current->journal_info = tp;
}
static inline void
xfs_trans_clear_context(
struct xfs_trans *tp)
{
- if (current->journal_info == tp) {
- memalloc_nofs_restore(tp->t_pflags);
- current->journal_info = NULL;
- }
+ memalloc_nofs_restore(tp->t_pflags);
}
static inline void
@@ -288,10 +283,8 @@ xfs_trans_switch_context(
struct xfs_trans *old_tp,
struct xfs_trans *new_tp)
{
- ASSERT(current->journal_info == old_tp);
new_tp->t_pflags = old_tp->t_pflags;
old_tp->t_pflags = 0;
- current->journal_info = new_tp;
}
#endif /* __XFS_TRANS_H__ */
--
GitLab
From 9eb05877dbee03064d3d3483cd6702f610d5a358 Mon Sep 17 00:00:00 2001
From: Zoltan HERPAI <wigyori@uid0.hu>
Date: Wed, 20 Mar 2024 09:36:02 +0100
Subject: [PATCH 1486/2686] pwm: img: fix pwm clock lookup
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
22e8e19 has introduced a regression in the imgchip->pwm_clk lookup, whereas
the clock name has also been renamed to "imgchip". This causes the driver
failing to load:
[ 0.546905] img-pwm 18101300.pwm: failed to get imgchip clock
[ 0.553418] img-pwm: probe of 18101300.pwm failed with error -2
Fix this lookup by reverting the clock name back to "pwm".
Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
Link: https://lore.kernel.org/r/20240320083602.81592-1-wigyori@uid0.hu
Fixes: 22e8e19a46f7 ("pwm: img: Rename variable pointing to driver private data")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
drivers/pwm/pwm-img.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/pwm/pwm-img.c b/drivers/pwm/pwm-img.c
index d79a96679a26c..d6596583ed4e7 100644
--- a/drivers/pwm/pwm-img.c
+++ b/drivers/pwm/pwm-img.c
@@ -284,9 +284,9 @@ static int img_pwm_probe(struct platform_device *pdev)
return PTR_ERR(imgchip->sys_clk);
}
- imgchip->pwm_clk = devm_clk_get(&pdev->dev, "imgchip");
+ imgchip->pwm_clk = devm_clk_get(&pdev->dev, "pwm");
if (IS_ERR(imgchip->pwm_clk)) {
- dev_err(&pdev->dev, "failed to get imgchip clock\n");
+ dev_err(&pdev->dev, "failed to get pwm clock\n");
return PTR_ERR(imgchip->pwm_clk);
}
--
GitLab
From 0add699ad068d26e5b1da9ff28b15461fc4005df Mon Sep 17 00:00:00 2001
From: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Date: Wed, 20 Mar 2024 17:10:38 +0900
Subject: [PATCH 1487/2686] tracing: probes: Fix to zero initialize a local
variable
Fix to initialize 'val' local variable with zero.
Dan reported that Smatch static code checker reports an error that a local
'val' variable needs to be initialized. Actually, the 'val' is expected to
be initialized by FETCH_OP_ARG in the same loop, but it is not obvious. So
initialize it with zero.
Link: https://lore.kernel.org/all/171092223833.237219.17304490075697026697.stgit@devnote2/
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/b010488e-68aa-407c-add0-3e059254aaa0@moroto.mountain/
Fixes: 25f00e40ce79 ("tracing/probes: Support $argN in return probe (kprobe and fprobe)")
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---
kernel/trace/trace_probe.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c
index 217169de0920e..dfe3ee6035ecc 100644
--- a/kernel/trace/trace_probe.c
+++ b/kernel/trace/trace_probe.c
@@ -839,7 +839,7 @@ int traceprobe_get_entry_data_size(struct trace_probe *tp)
void store_trace_entry_data(void *edata, struct trace_probe *tp, struct pt_regs *regs)
{
struct probe_entry_arg *earg = tp->entry_arg;
- unsigned long val;
+ unsigned long val = 0;
int i;
if (!earg)
--
GitLab
From 5448d9282af57c2c89a3033f1d56b31689d09b73 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Thu, 7 Mar 2024 08:19:51 +0000
Subject: [PATCH 1488/2686] KVM: selftests: Fix spelling mistake "trigged" ->
"triggered"
There are spelling mistakes in __GUEST_ASSERT messages. Fix them.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20240307081951.1954830-1-colin.i.king@gmail.com
---
tools/testing/selftests/kvm/aarch64/arch_timer.c | 2 +-
tools/testing/selftests/kvm/riscv/arch_timer.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/kvm/aarch64/arch_timer.c b/tools/testing/selftests/kvm/aarch64/arch_timer.c
index ddba2c2fb5deb..16ac74d07d680 100644
--- a/tools/testing/selftests/kvm/aarch64/arch_timer.c
+++ b/tools/testing/selftests/kvm/aarch64/arch_timer.c
@@ -136,7 +136,7 @@ static void guest_run_stage(struct test_vcpu_shared_data *shared_data,
irq_iter = READ_ONCE(shared_data->nr_iter);
__GUEST_ASSERT(config_iter + 1 == irq_iter,
"config_iter + 1 = 0x%lx, irq_iter = 0x%lx.\n"
- " Guest timer interrupt was not trigged within the specified\n"
+ " Guest timer interrupt was not triggered within the specified\n"
" interval, try to increase the error margin by [-e] option.\n",
config_iter + 1, irq_iter);
}
diff --git a/tools/testing/selftests/kvm/riscv/arch_timer.c b/tools/testing/selftests/kvm/riscv/arch_timer.c
index e22848f747c01..0f9cabd99fd45 100644
--- a/tools/testing/selftests/kvm/riscv/arch_timer.c
+++ b/tools/testing/selftests/kvm/riscv/arch_timer.c
@@ -60,7 +60,7 @@ static void guest_run(struct test_vcpu_shared_data *shared_data)
irq_iter = READ_ONCE(shared_data->nr_iter);
__GUEST_ASSERT(config_iter + 1 == irq_iter,
"config_iter + 1 = 0x%x, irq_iter = 0x%x.\n"
- " Guest timer interrupt was not trigged within the specified\n"
+ " Guest timer interrupt was not triggered within the specified\n"
" interval, try to increase the error margin by [-e] option.\n",
config_iter + 1, irq_iter);
}
--
GitLab
From 7fd99b7ab57057f219bb6cb2a1ff0b88a2b84420 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Fri, 15 Mar 2024 09:29:14 +0000
Subject: [PATCH 1489/2686] RISC-V: KVM: Remove second semicolon
There is a statement with two semicolons. Remove the second one, it
is redundant.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20240315092914.2431214-1-colin.i.king@gmail.com
---
arch/riscv/kvm/vcpu_onereg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c
index f4a6124d25c93..994adc26db4b1 100644
--- a/arch/riscv/kvm/vcpu_onereg.c
+++ b/arch/riscv/kvm/vcpu_onereg.c
@@ -986,7 +986,7 @@ static int copy_isa_ext_reg_indices(const struct kvm_vcpu *vcpu,
static inline unsigned long num_isa_ext_regs(const struct kvm_vcpu *vcpu)
{
- return copy_isa_ext_reg_indices(vcpu, NULL);;
+ return copy_isa_ext_reg_indices(vcpu, NULL);
}
static int copy_sbi_ext_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices)
--
GitLab
From d8dd9f113e16bef3b29c9dcceb584a6f144f55e4 Mon Sep 17 00:00:00 2001
From: Anup Patel <apatel@ventanamicro.com>
Date: Thu, 21 Mar 2024 14:20:40 +0530
Subject: [PATCH 1490/2686] RISC-V: KVM: Fix APLIC setipnum_le/be write
emulation
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The writes to setipnum_le/be register for APLIC in MSI-mode have special
consideration for level-triggered interrupts as-per the section "4.9.2
Special consideration for level-sensitive interrupt sources" of the RISC-V
AIA specification.
Particularly, the below text from the RISC-V AIA specification defines
the behaviour of writes to setipnum_le/be register for level-triggered
interrupts:
"A second option is for the interrupt service routine to write the
APLIC’s source identity number for the interrupt to the domain’s
setipnum register just before exiting. This will cause the interrupt’s
pending bit to be set to one again if the source is still asserting
an interrupt, but not if the source is not asserting an interrupt."
Fix setipnum_le/be write emulation for in-kernel APLIC by implementing
the above behaviour in aplic_write_pending() function.
Cc: stable@vger.kernel.org
Fixes: 74967aa208e2 ("RISC-V: KVM: Add in-kernel emulation of AIA APLIC")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20240321085041.1955293-2-apatel@ventanamicro.com
---
arch/riscv/kvm/aia_aplic.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/arch/riscv/kvm/aia_aplic.c b/arch/riscv/kvm/aia_aplic.c
index 39e72aa016a4c..5e842b92dc461 100644
--- a/arch/riscv/kvm/aia_aplic.c
+++ b/arch/riscv/kvm/aia_aplic.c
@@ -137,11 +137,21 @@ static void aplic_write_pending(struct aplic *aplic, u32 irq, bool pending)
raw_spin_lock_irqsave(&irqd->lock, flags);
sm = irqd->sourcecfg & APLIC_SOURCECFG_SM_MASK;
- if (!pending &&
- ((sm == APLIC_SOURCECFG_SM_LEVEL_HIGH) ||
- (sm == APLIC_SOURCECFG_SM_LEVEL_LOW)))
+ if (sm == APLIC_SOURCECFG_SM_INACTIVE)
goto skip_write_pending;
+ if (sm == APLIC_SOURCECFG_SM_LEVEL_HIGH ||
+ sm == APLIC_SOURCECFG_SM_LEVEL_LOW) {
+ if (!pending)
+ goto skip_write_pending;
+ if ((irqd->state & APLIC_IRQ_STATE_INPUT) &&
+ sm == APLIC_SOURCECFG_SM_LEVEL_LOW)
+ goto skip_write_pending;
+ if (!(irqd->state & APLIC_IRQ_STATE_INPUT) &&
+ sm == APLIC_SOURCECFG_SM_LEVEL_HIGH)
+ goto skip_write_pending;
+ }
+
if (pending)
irqd->state |= APLIC_IRQ_STATE_PENDING;
else
--
GitLab
From 1a4bd2b128fb5ca62e4d1c5ca298d3d06b9c1e8e Mon Sep 17 00:00:00 2001
From: Jens Wiklander <jens.wiklander@linaro.org>
Date: Mon, 11 Mar 2024 12:07:00 +0100
Subject: [PATCH 1491/2686] firmware: arm_ffa: Fix the partition ID check in
ffa_notification_info_get()
FFA_NOTIFICATION_INFO_GET retrieves information about pending
notifications. Notifications can be either global or per VCPU. Global
notifications are reported with the partition ID only in the list of
endpoints with pending notifications. ffa_notification_info_get()
incorrectly expect no ID at all for global notifications. Fix this by
checking for ID = 1 instead of ID = 0.
Fixes: 3522be48d82b ("firmware: arm_ffa: Implement the NOTIFICATION_INFO_GET interface")
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Link: https://lore.kernel.org/r/20240311110700.2367142-1-jens.wiklander@linaro.org
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---
drivers/firmware/arm_ffa/driver.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c
index f2556a8e94015..9bc2e10381afd 100644
--- a/drivers/firmware/arm_ffa/driver.c
+++ b/drivers/firmware/arm_ffa/driver.c
@@ -790,7 +790,7 @@ static void ffa_notification_info_get(void)
part_id = packed_id_list[ids_processed++];
- if (!ids_count[list]) { /* Global Notification */
+ if (ids_count[list] == 1) { /* Global Notification */
__do_sched_recv_cb(part_id, 0, false);
continue;
}
--
GitLab
From 17f243adf1653bdbaeec767e3e74c9ad089f470b Mon Sep 17 00:00:00 2001
From: Pierre Gondois <pierre.gondois@arm.com>
Date: Mon, 11 Mar 2024 10:04:12 +0100
Subject: [PATCH 1492/2686] firmware: arm_scmi: Fix wrong fastchannel
initialization
Fastchannels are initialized with an incorrect index(POWERCAP_PAI_GET) in:
commit 2441caa84aac ("firmware: arm_scmi: Populate fast channel rate_limit")
Fix this and provide a correct index(POWERCAP_FC_PAI)
Fixes: 2441caa84aac ("firmware: arm_scmi: Populate fast channel rate_limit")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202403100744.7Op3PI8L-lkp@intel.com/
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Link: https://lore.kernel.org/r/20240311090413.1710725-1-pierre.gondois@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---
drivers/firmware/arm_scmi/powercap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/firmware/arm_scmi/powercap.c b/drivers/firmware/arm_scmi/powercap.c
index ea9201e7044cb..1fa79bba492e8 100644
--- a/drivers/firmware/arm_scmi/powercap.c
+++ b/drivers/firmware/arm_scmi/powercap.c
@@ -736,7 +736,7 @@ static void scmi_powercap_domain_init_fc(const struct scmi_protocol_handle *ph,
ph->hops->fastchannel_init(ph, POWERCAP_DESCRIBE_FASTCHANNEL,
POWERCAP_PAI_GET, 4, domain,
&fc[POWERCAP_FC_PAI].get_addr, NULL,
- &fc[POWERCAP_PAI_GET].rate_limit);
+ &fc[POWERCAP_FC_PAI].rate_limit);
*p_fc = fc;
}
--
GitLab
From b70c7996d4ffb2e02895132e8a79a37cee66504f Mon Sep 17 00:00:00 2001
From: Cristian Marussi <cristian.marussi@arm.com>
Date: Fri, 15 Mar 2024 14:03:24 +0000
Subject: [PATCH 1493/2686] firmware: arm_scmi: Make raw debugfs entries
non-seekable
SCMI raw debugfs entries are used to inject and snoop messages out of the
SCMI core and, as such, the underlying virtual files have no reason to
support seeking.
Modify the related file_operations descriptors to be non-seekable.
Fixes: 3c3d818a9317 ("firmware: arm_scmi: Add core raw transmission support")
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20240315140324.231830-1-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---
drivers/firmware/arm_scmi/raw_mode.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/firmware/arm_scmi/raw_mode.c b/drivers/firmware/arm_scmi/raw_mode.c
index 3505735185033..130d13e9cd6be 100644
--- a/drivers/firmware/arm_scmi/raw_mode.c
+++ b/drivers/firmware/arm_scmi/raw_mode.c
@@ -921,7 +921,7 @@ static int scmi_dbg_raw_mode_open(struct inode *inode, struct file *filp)
rd->raw = raw;
filp->private_data = rd;
- return 0;
+ return nonseekable_open(inode, filp);
}
static int scmi_dbg_raw_mode_release(struct inode *inode, struct file *filp)
@@ -950,6 +950,7 @@ static const struct file_operations scmi_dbg_raw_mode_reset_fops = {
.open = scmi_dbg_raw_mode_open,
.release = scmi_dbg_raw_mode_release,
.write = scmi_dbg_raw_mode_reset_write,
+ .llseek = no_llseek,
.owner = THIS_MODULE,
};
@@ -959,6 +960,7 @@ static const struct file_operations scmi_dbg_raw_mode_message_fops = {
.read = scmi_dbg_raw_mode_message_read,
.write = scmi_dbg_raw_mode_message_write,
.poll = scmi_dbg_raw_mode_message_poll,
+ .llseek = no_llseek,
.owner = THIS_MODULE,
};
@@ -975,6 +977,7 @@ static const struct file_operations scmi_dbg_raw_mode_message_async_fops = {
.read = scmi_dbg_raw_mode_message_read,
.write = scmi_dbg_raw_mode_message_async_write,
.poll = scmi_dbg_raw_mode_message_poll,
+ .llseek = no_llseek,
.owner = THIS_MODULE,
};
@@ -998,6 +1001,7 @@ static const struct file_operations scmi_dbg_raw_mode_notification_fops = {
.release = scmi_dbg_raw_mode_release,
.read = scmi_test_dbg_raw_mode_notif_read,
.poll = scmi_test_dbg_raw_mode_notif_poll,
+ .llseek = no_llseek,
.owner = THIS_MODULE,
};
@@ -1021,6 +1025,7 @@ static const struct file_operations scmi_dbg_raw_mode_errors_fops = {
.release = scmi_dbg_raw_mode_release,
.read = scmi_test_dbg_raw_mode_errors_read,
.poll = scmi_test_dbg_raw_mode_errors_poll,
+ .llseek = no_llseek,
.owner = THIS_MODULE,
};
--
GitLab
From 7f274e609f3d5f45c22b1dd59053f6764458b492 Mon Sep 17 00:00:00 2001
From: Sandipan Das <sandipan.das@amd.com>
Date: Mon, 25 Mar 2024 13:01:44 +0530
Subject: [PATCH 1494/2686] x86/cpufeatures: Add new word for scattered
features
Add a new word for scattered features because all free bits among the
existing Linux-defined auxiliary flags have been exhausted.
Signed-off-by: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/8380d2a0da469a1f0ad75b8954a79fb689599ff6.1711091584.git.sandipan.das@amd.com
---
arch/x86/include/asm/cpufeature.h | 6 ++++--
arch/x86/include/asm/cpufeatures.h | 2 +-
arch/x86/include/asm/disabled-features.h | 3 ++-
arch/x86/include/asm/required-features.h | 3 ++-
4 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index a1273698fc430..42157ddcc09d4 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -91,8 +91,9 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 18, feature_bit) || \
CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 19, feature_bit) || \
CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 20, feature_bit) || \
+ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 21, feature_bit) || \
REQUIRED_MASK_CHECK || \
- BUILD_BUG_ON_ZERO(NCAPINTS != 21))
+ BUILD_BUG_ON_ZERO(NCAPINTS != 22))
#define DISABLED_MASK_BIT_SET(feature_bit) \
( CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 0, feature_bit) || \
@@ -116,8 +117,9 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 18, feature_bit) || \
CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 19, feature_bit) || \
CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 20, feature_bit) || \
+ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 21, feature_bit) || \
DISABLED_MASK_CHECK || \
- BUILD_BUG_ON_ZERO(NCAPINTS != 21))
+ BUILD_BUG_ON_ZERO(NCAPINTS != 22))
#define cpu_has(c, bit) \
(__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index f0337f7bcf162..4d850a780f7ed 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -13,7 +13,7 @@
/*
* Defines x86 CPU feature bits
*/
-#define NCAPINTS 21 /* N 32-bit words worth of info */
+#define NCAPINTS 22 /* N 32-bit words worth of info */
#define NBUGINTS 2 /* N 32-bit bug flags */
/*
diff --git a/arch/x86/include/asm/disabled-features.h b/arch/x86/include/asm/disabled-features.h
index da4054fbf533e..c492bdc97b059 100644
--- a/arch/x86/include/asm/disabled-features.h
+++ b/arch/x86/include/asm/disabled-features.h
@@ -155,6 +155,7 @@
#define DISABLED_MASK18 (DISABLE_IBT)
#define DISABLED_MASK19 (DISABLE_SEV_SNP)
#define DISABLED_MASK20 0
-#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 21)
+#define DISABLED_MASK21 0
+#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 22)
#endif /* _ASM_X86_DISABLED_FEATURES_H */
diff --git a/arch/x86/include/asm/required-features.h b/arch/x86/include/asm/required-features.h
index 7ba1726b71c7b..e9187ddd3d1fd 100644
--- a/arch/x86/include/asm/required-features.h
+++ b/arch/x86/include/asm/required-features.h
@@ -99,6 +99,7 @@
#define REQUIRED_MASK18 0
#define REQUIRED_MASK19 0
#define REQUIRED_MASK20 0
-#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 21)
+#define REQUIRED_MASK21 0
+#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 22)
#endif /* _ASM_X86_REQUIRED_FEATURES_H */
--
GitLab
From 598c2fafc06fe5c56a1a415fb7b544b31453d637 Mon Sep 17 00:00:00 2001
From: Sandipan Das <sandipan.das@amd.com>
Date: Mon, 25 Mar 2024 13:01:45 +0530
Subject: [PATCH 1495/2686] perf/x86/amd/lbr: Use freeze based on availability
Currently, the LBR code assumes that LBR Freeze is supported on all processors
when X86_FEATURE_AMD_LBR_V2 is available i.e. CPUID leaf 0x80000022[EAX]
bit 1 is set. This is incorrect as the availability of the feature is
additionally dependent on CPUID leaf 0x80000022[EAX] bit 2 being set,
which may not be set for all Zen 4 processors.
Define a new feature bit for LBR and PMC freeze and set the freeze enable bit
(FLBRI) in DebugCtl (MSR 0x1d9) conditionally.
It should still be possible to use LBR without freeze for profile-guided
optimization of user programs by using an user-only branch filter during
profiling. When the user-only filter is enabled, branches are no longer
recorded after the transition to CPL 0 upon PMI arrival. When branch
entries are read in the PMI handler, the branch stack does not change.
E.g.
$ perf record -j any,u -e ex_ret_brn_tkn ./workload
Since the feature bit is visible under flags in /proc/cpuinfo, it can be
used to determine the feasibility of use-cases which require LBR Freeze
to be supported by the hardware such as profile-guided optimization of
kernels.
Fixes: ca5b7c0d9621 ("perf/x86/amd/lbr: Add LbrExtV2 branch record support")
Signed-off-by: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/69a453c97cfd11c6f2584b19f937fe6df741510f.1711091584.git.sandipan.das@amd.com
---
arch/x86/events/amd/core.c | 4 ++--
arch/x86/events/amd/lbr.c | 16 ++++++++++------
arch/x86/include/asm/cpufeatures.h | 8 ++++++++
arch/x86/kernel/cpu/scattered.c | 1 +
4 files changed, 21 insertions(+), 8 deletions(-)
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index aec16e581f5b2..5692e827afef3 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -904,8 +904,8 @@ static int amd_pmu_v2_handle_irq(struct pt_regs *regs)
if (!status)
goto done;
- /* Read branch records before unfreezing */
- if (status & GLOBAL_STATUS_LBRS_FROZEN) {
+ /* Read branch records */
+ if (x86_pmu.lbr_nr) {
amd_pmu_lbr_read();
status &= ~GLOBAL_STATUS_LBRS_FROZEN;
}
diff --git a/arch/x86/events/amd/lbr.c b/arch/x86/events/amd/lbr.c
index 4a1e600314d5d..5149830c7c4fa 100644
--- a/arch/x86/events/amd/lbr.c
+++ b/arch/x86/events/amd/lbr.c
@@ -402,10 +402,12 @@ void amd_pmu_lbr_enable_all(void)
wrmsrl(MSR_AMD64_LBR_SELECT, lbr_select);
}
- rdmsrl(MSR_IA32_DEBUGCTLMSR, dbg_ctl);
- rdmsrl(MSR_AMD_DBG_EXTN_CFG, dbg_extn_cfg);
+ if (cpu_feature_enabled(X86_FEATURE_AMD_LBR_PMC_FREEZE)) {
+ rdmsrl(MSR_IA32_DEBUGCTLMSR, dbg_ctl);
+ wrmsrl(MSR_IA32_DEBUGCTLMSR, dbg_ctl | DEBUGCTLMSR_FREEZE_LBRS_ON_PMI);
+ }
- wrmsrl(MSR_IA32_DEBUGCTLMSR, dbg_ctl | DEBUGCTLMSR_FREEZE_LBRS_ON_PMI);
+ rdmsrl(MSR_AMD_DBG_EXTN_CFG, dbg_extn_cfg);
wrmsrl(MSR_AMD_DBG_EXTN_CFG, dbg_extn_cfg | DBG_EXTN_CFG_LBRV2EN);
}
@@ -418,10 +420,12 @@ void amd_pmu_lbr_disable_all(void)
return;
rdmsrl(MSR_AMD_DBG_EXTN_CFG, dbg_extn_cfg);
- rdmsrl(MSR_IA32_DEBUGCTLMSR, dbg_ctl);
-
wrmsrl(MSR_AMD_DBG_EXTN_CFG, dbg_extn_cfg & ~DBG_EXTN_CFG_LBRV2EN);
- wrmsrl(MSR_IA32_DEBUGCTLMSR, dbg_ctl & ~DEBUGCTLMSR_FREEZE_LBRS_ON_PMI);
+
+ if (cpu_feature_enabled(X86_FEATURE_AMD_LBR_PMC_FREEZE)) {
+ rdmsrl(MSR_IA32_DEBUGCTLMSR, dbg_ctl);
+ wrmsrl(MSR_IA32_DEBUGCTLMSR, dbg_ctl & ~DEBUGCTLMSR_FREEZE_LBRS_ON_PMI);
+ }
}
__init int amd_pmu_lbr_init(void)
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index 4d850a780f7ed..a38f8f9ba6572 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -459,6 +459,14 @@
#define X86_FEATURE_IBPB_BRTYPE (20*32+28) /* "" MSR_PRED_CMD[IBPB] flushes all branch type predictions */
#define X86_FEATURE_SRSO_NO (20*32+29) /* "" CPU is not affected by SRSO */
+/*
+ * Extended auxiliary flags: Linux defined - for features scattered in various
+ * CPUID levels like 0x80000022, etc.
+ *
+ * Reuse free bits when adding new feature flags!
+ */
+#define X86_FEATURE_AMD_LBR_PMC_FREEZE (21*32+ 0) /* AMD LBR and PMC Freeze */
+
/*
* BUG word(s)
*/
diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c
index 0dad49a09b7a9..a515328d9d7d8 100644
--- a/arch/x86/kernel/cpu/scattered.c
+++ b/arch/x86/kernel/cpu/scattered.c
@@ -49,6 +49,7 @@ static const struct cpuid_bit cpuid_bits[] = {
{ X86_FEATURE_BMEC, CPUID_EBX, 3, 0x80000020, 0 },
{ X86_FEATURE_PERFMON_V2, CPUID_EAX, 0, 0x80000022, 0 },
{ X86_FEATURE_AMD_LBR_V2, CPUID_EAX, 1, 0x80000022, 0 },
+ { X86_FEATURE_AMD_LBR_PMC_FREEZE, CPUID_EAX, 2, 0x80000022, 0 },
{ 0, 0, 0, 0, 0 }
};
--
GitLab
From 91491e5fb09624116950f9f2e1767a42e1da7868 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@kernel.org>
Date: Mon, 25 Mar 2024 11:29:16 +0100
Subject: [PATCH 1496/2686] Documentation/x86: Fix title underline length
Fix:
Documentation/arch/x86/resctrl.rst:577: WARNING: Title underline too short.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20240325121750.265d655c@canb.auug.org.au
---
Documentation/arch/x86/resctrl.rst | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/arch/x86/resctrl.rst b/Documentation/arch/x86/resctrl.rst
index 3712d81cb50c6..6c245582d8fb1 100644
--- a/Documentation/arch/x86/resctrl.rst
+++ b/Documentation/arch/x86/resctrl.rst
@@ -574,7 +574,7 @@ Memory b/w domain is L3 cache.
MB:<cache_id0>=bandwidth0;<cache_id1>=bandwidth1;...
Memory bandwidth Allocation specified in MiBps
----------------------------------------------
+----------------------------------------------
Memory bandwidth domain is L3 cache.
::
--
GitLab
From c567f2948f57bdc03ed03403ae0234085f376b7d Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@kernel.org>
Date: Mon, 25 Mar 2024 11:47:51 +0100
Subject: [PATCH 1497/2686] Revert "x86/mm/ident_map: Use gbpages only where
full GB page should be mapped."
This reverts commit d794734c9bbfe22f86686dc2909c25f5ffe1a572.
While the original change tries to fix a bug, it also unintentionally broke
existing systems, see the regressions reported at:
https://lore.kernel.org/all/3a1b9909-45ac-4f97-ad68-d16ef1ce99db@pavinjoseph.com/
Since d794734c9bbf was also marked for -stable, let's back it out before
causing more damage.
Note that due to another upstream change the revert was not 100% automatic:
0a845e0f6348 mm/treewide: replace pud_large() with pud_leaf()
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: <stable@vger.kernel.org>
Cc: Russ Anderson <rja@hpe.com>
Cc: Steve Wahl <steve.wahl@hpe.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/3a1b9909-45ac-4f97-ad68-d16ef1ce99db@pavinjoseph.com/
Fixes: d794734c9bbf ("x86/mm/ident_map: Use gbpages only where full GB page should be mapped.")
---
arch/x86/mm/ident_map.c | 23 +++++------------------
1 file changed, 5 insertions(+), 18 deletions(-)
diff --git a/arch/x86/mm/ident_map.c b/arch/x86/mm/ident_map.c
index a204a332c71fc..968d7005f4a72 100644
--- a/arch/x86/mm/ident_map.c
+++ b/arch/x86/mm/ident_map.c
@@ -26,31 +26,18 @@ static int ident_pud_init(struct x86_mapping_info *info, pud_t *pud_page,
for (; addr < end; addr = next) {
pud_t *pud = pud_page + pud_index(addr);
pmd_t *pmd;
- bool use_gbpage;
next = (addr & PUD_MASK) + PUD_SIZE;
if (next > end)
next = end;
- /* if this is already a gbpage, this portion is already mapped */
- if (pud_leaf(*pud))
- continue;
-
- /* Is using a gbpage allowed? */
- use_gbpage = info->direct_gbpages;
-
- /* Don't use gbpage if it maps more than the requested region. */
- /* at the begining: */
- use_gbpage &= ((addr & ~PUD_MASK) == 0);
- /* ... or at the end: */
- use_gbpage &= ((next & ~PUD_MASK) == 0);
-
- /* Never overwrite existing mappings */
- use_gbpage &= !pud_present(*pud);
-
- if (use_gbpage) {
+ if (info->direct_gbpages) {
pud_t pudval;
+ if (pud_present(*pud))
+ continue;
+
+ addr &= PUD_MASK;
pudval = __pud((addr - info->offset) | info->page_flag);
set_pud(pud, pudval);
continue;
--
GitLab
From d6c30c5a168f8586b8bcc0d8e42e2456eb05209b Mon Sep 17 00:00:00 2001
From: David Thompson <davthompson@nvidia.com>
Date: Wed, 20 Mar 2024 15:31:17 -0400
Subject: [PATCH 1498/2686] mlxbf_gige: stop PHY during open() error paths
The mlxbf_gige_open() routine starts the PHY as part of normal
initialization. The mlxbf_gige_open() routine must stop the
PHY during its error paths.
Fixes: f92e1869d74e ("Add Mellanox BlueField Gigabit Ethernet driver")
Signed-off-by: David Thompson <davthompson@nvidia.com>
Reviewed-by: Asmaa Mnebhi <asmaa@nvidia.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c
index 3d09fa54598f1..cef0e2d3f1a7b 100644
--- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c
+++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c
@@ -157,7 +157,7 @@ static int mlxbf_gige_open(struct net_device *netdev)
err = mlxbf_gige_tx_init(priv);
if (err)
- goto free_irqs;
+ goto phy_deinit;
err = mlxbf_gige_rx_init(priv);
if (err)
goto tx_deinit;
@@ -185,6 +185,9 @@ static int mlxbf_gige_open(struct net_device *netdev)
tx_deinit:
mlxbf_gige_tx_deinit(priv);
+phy_deinit:
+ phy_stop(phydev);
+
free_irqs:
mlxbf_gige_free_irqs(priv);
return err;
--
GitLab
From b6540de9b5c867b4c8bc31225db181cc017d8cc7 Mon Sep 17 00:00:00 2001
From: Uros Bizjak <ubizjak@gmail.com>
Date: Mon, 25 Mar 2024 12:01:09 +0100
Subject: [PATCH 1499/2686] x86/percpu: Disable named address spaces for KCSAN
-fsanitize=thread (KCSAN) is at the moment incompatible
with named address spaces in a similar way as KASAN -
see GCC PR sanitizer/111736:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111736
The patch disables named address spaces with KCSAN.
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240325110128.615933-1-ubizjak@gmail.com
---
arch/x86/Kconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 39886bab943a8..4fff6ed46e902 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2439,6 +2439,8 @@ config USE_X86_SEG_SUPPORT
# with named address spaces - see GCC PR sanitizer/111736.
#
depends on !KASAN
+ # -fsanitize=thread (KCSAN) is also incompatible.
+ depends on !KCSAN
config CC_HAS_SLS
def_bool $(cc-option,-mharden-sls=all)
--
GitLab
From 0cdfe5b0bf295c0dee97436a8ed13336933a0211 Mon Sep 17 00:00:00 2001
From: Mikko Rapeli <mikko.rapeli@linaro.org>
Date: Wed, 13 Mar 2024 15:37:43 +0200
Subject: [PATCH 1500/2686] mmc: core: Initialize mmc_blk_ioc_data
Commit 4d0c8d0aef63 ("mmc: core: Use mrq.sbc in close-ended ffu") adds
flags uint to struct mmc_blk_ioc_data, but it does not get initialized for
RPMB ioctls which now fails.
Let's fix this by always initializing the struct and flags to zero.
Fixes: 4d0c8d0aef63 ("mmc: core: Use mrq.sbc in close-ended ffu")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218587
Link: https://lore.kernel.org/all/20231129092535.3278-1-avri.altman@wdc.com/
Cc: stable@vger.kernel.org
Signed-off-by: Mikko Rapeli <mikko.rapeli@linaro.org>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20240313133744.2405325-1-mikko.rapeli@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
drivers/mmc/core/block.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 64a3492e8002f..600adc3f2af48 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -413,7 +413,7 @@ static struct mmc_blk_ioc_data *mmc_blk_ioctl_copy_from_user(
struct mmc_blk_ioc_data *idata;
int err;
- idata = kmalloc(sizeof(*idata), GFP_KERNEL);
+ idata = kzalloc(sizeof(*idata), GFP_KERNEL);
if (!idata) {
err = -ENOMEM;
goto out;
--
GitLab
From cf55a7acd1ed38afe43bba1c8a0935b51d1dc014 Mon Sep 17 00:00:00 2001
From: Mikko Rapeli <mikko.rapeli@linaro.org>
Date: Wed, 13 Mar 2024 15:37:44 +0200
Subject: [PATCH 1501/2686] mmc: core: Avoid negative index with array access
Commit 4d0c8d0aef63 ("mmc: core: Use mrq.sbc in close-ended ffu") assigns
prev_idata = idatas[i - 1], but doesn't check that the iterator i is
greater than zero. Let's fix this by adding a check.
Fixes: 4d0c8d0aef63 ("mmc: core: Use mrq.sbc in close-ended ffu")
Link: https://lore.kernel.org/all/20231129092535.3278-1-avri.altman@wdc.com/
Cc: stable@vger.kernel.org
Signed-off-by: Mikko Rapeli <mikko.rapeli@linaro.org>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Tested-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20240313133744.2405325-2-mikko.rapeli@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
drivers/mmc/core/block.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 600adc3f2af48..90c51b12148e8 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -488,7 +488,7 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
if (idata->flags & MMC_BLK_IOC_DROP)
return 0;
- if (idata->flags & MMC_BLK_IOC_SBC)
+ if (idata->flags & MMC_BLK_IOC_SBC && i > 0)
prev_idata = idatas[i - 1];
/*
--
GitLab
From f9e2a5b00a35f2c064dc679808bc8db5cc779ed6 Mon Sep 17 00:00:00 2001
From: Romain Naour <romain.naour@skf.com>
Date: Sat, 16 Mar 2024 00:44:44 +0100
Subject: [PATCH 1502/2686] mmc: sdhci-omap: re-tuning is needed after a pm
transition to support emmc HS200 mode
"PM runtime functions" was been added in sdhci-omap driver in commit
f433e8aac6b9 ("mmc: sdhci-omap: Implement PM runtime functions") along
with "card power off and enable aggressive PM" in commit 3edf588e7fe0
("mmc: sdhci-omap: Allow SDIO card power off and enable aggressive PM").
Since then, the sdhci-omap driver doesn't work using mmc-hs200 mode
due to the tuning values being lost during a pm transition.
As for the sdhci_am654 driver, request a new tuning sequence before
suspend (sdhci_omap_runtime_suspend()), otherwise the device will
trigger cache flush error:
mmc1: cache flush error -110 (ETIMEDOUT)
mmc1: error -110 doing aggressive suspend
followed by I/O errors produced by fdisk -l /dev/mmcblk1boot1:
I/O error, dev mmcblk1boot0, sector 64384 op 0x0:(READ) flags 0x80700 phys_seg 1
prio class 2
I/O error, dev mmcblk1boot1, sector 64384 op 0x0:(READ) flags 0x80700 phys_seg 1
prio class 2
I/O error, dev mmcblk1boot1, sector 64384 op 0x0:(READ) flags 0x0 phys_seg 1
prio class 2
Buffer I/O error on dev mmcblk1boot1, logical block 8048, async page read
I/O error, dev mmcblk1boot0, sector 64384 op 0x0:(READ) flags 0x0 phys_seg 1
prio class 2
Buffer I/O error on dev mmcblk1boot0, logical block 8048, async page read
Don't re-tune if auto retuning is supported in HW (when SDHCI_TUNING_MODE_3
is available).
Link: https://lore.kernel.org/all/2e5f1997-564c-44e4-b357-6343e0dae7ab@smile.fr
Fixes: f433e8aac6b9 ("mmc: sdhci-omap: Implement PM runtime functions")
Signed-off-by: Romain Naour <romain.naour@skf.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240315234444.816978-1-romain.naour@smile.fr
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
drivers/mmc/host/sdhci-omap.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c
index e78faef67d7ab..94076b0955719 100644
--- a/drivers/mmc/host/sdhci-omap.c
+++ b/drivers/mmc/host/sdhci-omap.c
@@ -1439,6 +1439,9 @@ static int __maybe_unused sdhci_omap_runtime_suspend(struct device *dev)
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);
+ if (host->tuning_mode != SDHCI_TUNING_MODE_3)
+ mmc_retune_needed(host->mmc);
+
if (omap_host->con != -EINVAL)
sdhci_runtime_suspend_host(host);
--
GitLab
From 03749309909935070253accab314288d332a204d Mon Sep 17 00:00:00 2001
From: Liming Sun <limings@nvidia.com>
Date: Tue, 19 Mar 2024 12:16:16 -0400
Subject: [PATCH 1503/2686] sdhci-of-dwcmshc: disable PM runtime in
dwcmshc_remove()
This commit disables PM runtime in dwcmshc_remove() to avoid the
error message below when reloading the sdhci-of-dwcmshc.ko
sdhci-dwcmshc MLNXBF30:00: Unbalanced pm_runtime_enable!
Fixes: 48fe8fadbe5e ("mmc: sdhci-of-dwcmshc: Add runtime PM operations")
Reviewed-by: David Thompson <davthompson@nvidia.com>
Signed-off-by: Liming Sun <limings@nvidia.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/b9155963ffb12d18375002bf9ac9a3f98b727fc8.1710854108.git.limings@nvidia.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
drivers/mmc/host/sdhci-of-dwcmshc.c | 28 +++++++++++++++++-----------
1 file changed, 17 insertions(+), 11 deletions(-)
diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index ab4b964d40584..1d8f5a76096ae 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -999,6 +999,17 @@ static int dwcmshc_probe(struct platform_device *pdev)
return err;
}
+static void dwcmshc_disable_card_clk(struct sdhci_host *host)
+{
+ u16 ctrl;
+
+ ctrl = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
+ if (ctrl & SDHCI_CLOCK_CARD_EN) {
+ ctrl &= ~SDHCI_CLOCK_CARD_EN;
+ sdhci_writew(host, ctrl, SDHCI_CLOCK_CONTROL);
+ }
+}
+
static void dwcmshc_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
@@ -1006,8 +1017,14 @@ static void dwcmshc_remove(struct platform_device *pdev)
struct dwcmshc_priv *priv = sdhci_pltfm_priv(pltfm_host);
struct rk35xx_priv *rk_priv = priv->priv;
+ pm_runtime_get_sync(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
+ pm_runtime_put_noidle(&pdev->dev);
+
sdhci_remove_host(host, 0);
+ dwcmshc_disable_card_clk(host);
+
clk_disable_unprepare(pltfm_host->clk);
clk_disable_unprepare(priv->bus_clk);
if (rk_priv)
@@ -1099,17 +1116,6 @@ static void dwcmshc_enable_card_clk(struct sdhci_host *host)
}
}
-static void dwcmshc_disable_card_clk(struct sdhci_host *host)
-{
- u16 ctrl;
-
- ctrl = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
- if (ctrl & SDHCI_CLOCK_CARD_EN) {
- ctrl &= ~SDHCI_CLOCK_CARD_EN;
- sdhci_writew(host, ctrl, SDHCI_CLOCK_CONTROL);
- }
-}
-
static int dwcmshc_runtime_suspend(struct device *dev)
{
struct sdhci_host *host = dev_get_drvdata(dev);
--
GitLab
From 6630036b7c228f57c7893ee0403e92c2db2cd21d Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@kernel.org>
Date: Tue, 19 Mar 2024 13:50:32 +0000
Subject: [PATCH 1504/2686] fs/9p: fix uninitialized values during inode evict
If an iget fails due to not being able to retrieve information
from the server then the inode structure is only partially
initialized. When the inode gets evicted, references to
uninitialized structures (like fscache cookies) were being
made.
This patch checks for a bad_inode before doing anything other
than clearing the inode from the cache. Since the inode is
bad, it shouldn't have any state associated with it that needs
to be written back (and there really isn't a way to complete
those anyways).
Reported-by: syzbot+eb83fe1cce5833cd66a0@syzkaller.appspotmail.com
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
---
fs/9p/vfs_inode.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 360a5304ec03c..b01b1bbf24937 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -344,17 +344,21 @@ void v9fs_evict_inode(struct inode *inode)
struct v9fs_inode __maybe_unused *v9inode = V9FS_I(inode);
__le32 __maybe_unused version;
- truncate_inode_pages_final(&inode->i_data);
+ if (!is_bad_inode(inode)) {
+ truncate_inode_pages_final(&inode->i_data);
- version = cpu_to_le32(v9inode->qid.version);
- netfs_clear_inode_writeback(inode, &version);
+ version = cpu_to_le32(v9inode->qid.version);
+ netfs_clear_inode_writeback(inode, &version);
- clear_inode(inode);
- filemap_fdatawrite(&inode->i_data);
+ clear_inode(inode);
+ filemap_fdatawrite(&inode->i_data);
#ifdef CONFIG_9P_FSCACHE
- fscache_relinquish_cookie(v9fs_inode_cookie(v9inode), false);
+ if (v9fs_inode_cookie(v9inode))
+ fscache_relinquish_cookie(v9fs_inode_cookie(v9inode), false);
#endif
+ } else
+ clear_inode(inode);
}
struct inode *v9fs_fid_iget(struct super_block *sb, struct p9_fid *fid)
--
GitLab
From 27f8f108c8455b42ec5f55806c5dc73ae2c5d075 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan+linaro@kernel.org>
Date: Mon, 25 Mar 2024 09:59:48 +0100
Subject: [PATCH 1505/2686] wifi: mac80211: fix mlme_link_id_dbg()
Make sure that the new mlme_link_id_dbg() macro honours
CONFIG_MAC80211_MLME_DEBUG as intended to avoid spamming the log with
messages like:
wlan0: no EHT support, limiting to HE
wlan0: determined local STA to be HE, BW limited to 160 MHz
wlan0: determined AP xx:xx:xx:xx:xx:xx to be VHT
wlan0: connecting with VHT mode, max bandwidth 160 MHz
Fixes: 310c8387c638 ("wifi: mac80211: clean up connection process")
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://msgid.link/20240325085948.26203-1-johan+linaro@kernel.org
Tested-by: Kalle Valo <kvalo@kernel.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
net/mac80211/debug.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/mac80211/debug.h b/net/mac80211/debug.h
index 49da401c53408..35a8ba25fa57f 100644
--- a/net/mac80211/debug.h
+++ b/net/mac80211/debug.h
@@ -158,7 +158,7 @@ do { \
_sdata_dbg(print, sdata, "[link %d] " fmt, \
link_id, ##__VA_ARGS__); \
else \
- _sdata_dbg(1, sdata, fmt, ##__VA_ARGS__); \
+ _sdata_dbg(print, sdata, fmt, ##__VA_ARGS__); \
} while (0)
#define link_dbg(link, fmt, ...) \
_link_id_dbg(1, (link)->sdata, (link)->link_id, \
--
GitLab
From 4f2bdb3c5e3189297e156b3ff84b140423d64685 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 16 Mar 2024 08:43:36 +0100
Subject: [PATCH 1506/2686] wifi: mac80211: check/clear fast rx for non-4addr
sta VLAN changes
When moving a station out of a VLAN and deleting the VLAN afterwards, the
fast_rx entry still holds a pointer to the VLAN's netdev, which can cause
use-after-free bugs. Fix this by immediately calling ieee80211_check_fast_rx
after the VLAN change.
Cc: stable@vger.kernel.org
Reported-by: ranygh@riseup.net
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://msgid.link/20240316074336.40442-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
net/mac80211/cfg.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index f03452dc716d5..f67c1d0218121 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2199,15 +2199,14 @@ static int ieee80211_change_station(struct wiphy *wiphy,
}
if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
- sta->sdata->u.vlan.sta) {
- ieee80211_clear_fast_rx(sta);
+ sta->sdata->u.vlan.sta)
RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
- }
if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
ieee80211_vif_dec_num_mcast(sta->sdata);
sta->sdata = vlansdata;
+ ieee80211_check_fast_rx(sta);
ieee80211_check_fast_xmit(sta);
if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
--
GitLab
From 774f8841f55d7ac4044c79812691649da203584a Mon Sep 17 00:00:00 2001
From: Jeff Johnson <quic_jjohnson@quicinc.com>
Date: Thu, 14 Mar 2024 14:23:00 -0700
Subject: [PATCH 1507/2686] wifi: mac80211: fix ieee80211_bss_*_flags
kernel-doc
Running kernel-doc on ieee80211_i.h flagged the following:
net/mac80211/ieee80211_i.h:145: warning: expecting prototype for enum ieee80211_corrupt_data_flags. Prototype was for enum ieee80211_bss_corrupt_data_flags instead
net/mac80211/ieee80211_i.h:162: warning: expecting prototype for enum ieee80211_valid_data_flags. Prototype was for enum ieee80211_bss_valid_data_flags instead
Fix these warnings.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://msgid.link/20240314-kdoc-ieee80211_i-v1-1-72b91b55b257@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
net/mac80211/ieee80211_i.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index b6fead612b66b..bd507d6b65e3f 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -131,7 +131,7 @@ struct ieee80211_bss {
};
/**
- * enum ieee80211_corrupt_data_flags - BSS data corruption flags
+ * enum ieee80211_bss_corrupt_data_flags - BSS data corruption flags
* @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted
* @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted
*
@@ -144,7 +144,7 @@ enum ieee80211_bss_corrupt_data_flags {
};
/**
- * enum ieee80211_valid_data_flags - BSS valid data flags
+ * enum ieee80211_bss_valid_data_flags - BSS valid data flags
* @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE
* @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE
* @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE
--
GitLab
From be23b2d7c3b7c8bf57b1cf0bf890bd65df9d0186 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Thu, 14 Mar 2024 11:09:51 +0100
Subject: [PATCH 1508/2686] wifi: cfg80211: add a flag to disable wireless
extensions
Wireless extensions are already disabled if MLO is enabled,
given that we cannot support MLO there with all the hard-
coded assumptions about BSSID etc.
However, the WiFi7 ecosystem is still stabilizing, and some
devices may need MLO disabled while that happens. In that
case, we might end up with a device that supports wext (but
not MLO) in one kernel, and then breaks wext in the future
(by enabling MLO), which is not desirable.
Add a flag to let such drivers/devices disable wext even if
MLO isn't yet enabled.
Cc: stable@vger.kernel.org
Link: https://msgid.link/20240314110951.b50f1dc4ec21.I656ddd8178eedb49dc5c6c0e70f8ce5807afb54f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
include/net/cfg80211.h | 2 ++
net/wireless/wext-core.c | 7 +++++--
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 2e2be4fd2bb65..1e09329acc426 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -4991,6 +4991,7 @@ struct cfg80211_ops {
* set this flag to update channels on beacon hints.
* @WIPHY_FLAG_SUPPORTS_NSTR_NONPRIMARY: support connection to non-primary link
* of an NSTR mobile AP MLD.
+ * @WIPHY_FLAG_DISABLE_WEXT: disable wireless extensions for this device
*/
enum wiphy_flags {
WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK = BIT(0),
@@ -5002,6 +5003,7 @@ enum wiphy_flags {
WIPHY_FLAG_4ADDR_STATION = BIT(6),
WIPHY_FLAG_CONTROL_PORT_PROTOCOL = BIT(7),
WIPHY_FLAG_IBSS_RSN = BIT(8),
+ WIPHY_FLAG_DISABLE_WEXT = BIT(9),
WIPHY_FLAG_MESH_AUTH = BIT(10),
WIPHY_FLAG_SUPPORTS_EXT_KCK_32 = BIT(11),
WIPHY_FLAG_SUPPORTS_NSTR_NONPRIMARY = BIT(12),
diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index a161c64d1765e..838ad6541a17d 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -4,6 +4,7 @@
* Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com>
* Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright (C) 2024 Intel Corporation
*
* (As all part of the Linux kernel, this file is GPL)
*/
@@ -662,7 +663,8 @@ struct iw_statistics *get_wireless_stats(struct net_device *dev)
dev->ieee80211_ptr->wiphy->wext &&
dev->ieee80211_ptr->wiphy->wext->get_wireless_stats) {
wireless_warn_cfg80211_wext();
- if (dev->ieee80211_ptr->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO)
+ if (dev->ieee80211_ptr->wiphy->flags & (WIPHY_FLAG_SUPPORTS_MLO |
+ WIPHY_FLAG_DISABLE_WEXT))
return NULL;
return dev->ieee80211_ptr->wiphy->wext->get_wireless_stats(dev);
}
@@ -704,7 +706,8 @@ static iw_handler get_handler(struct net_device *dev, unsigned int cmd)
#ifdef CONFIG_CFG80211_WEXT
if (dev->ieee80211_ptr && dev->ieee80211_ptr->wiphy) {
wireless_warn_cfg80211_wext();
- if (dev->ieee80211_ptr->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO)
+ if (dev->ieee80211_ptr->wiphy->flags & (WIPHY_FLAG_SUPPORTS_MLO |
+ WIPHY_FLAG_DISABLE_WEXT))
return NULL;
handlers = dev->ieee80211_ptr->wiphy->wext;
}
--
GitLab
From 5f404005055304830bbbee0d66af2964fc48f29e Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Thu, 14 Mar 2024 11:09:52 +0100
Subject: [PATCH 1509/2686] wifi: iwlwifi: mvm: disable MLO for the time being
MLO ended up not really fully stable yet, we want to make
sure it works well with the ecosystem before enabling it.
Thus, remove the flag, but set WIPHY_FLAG_DISABLE_WEXT so
we don't get wireless extensions back until we enable MLO
for this hardware.
Cc: stable@vger.kernel.org
Reviewed-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240314110951.d6ad146df98d.I47127e4fdbdef89e4ccf7483641570ee7871d4e6@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 1935630d3def0..69227954e281d 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -360,7 +360,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
if (mvm->mld_api_is_used && mvm->nvm_data->sku_cap_11be_enable &&
!iwlwifi_mod_params.disable_11ax &&
!iwlwifi_mod_params.disable_11be)
- hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO;
+ hw->wiphy->flags |= WIPHY_FLAG_DISABLE_WEXT;
/* With MLD FW API, it tracks timing by itself,
* no need for any timing from the host
--
GitLab
From ec50f3114e55406a1aad24b7dfaa1c3f4336d8eb Mon Sep 17 00:00:00 2001
From: Igor Artemiev <Igor.A.Artemiev@mcst.ru>
Date: Mon, 11 Mar 2024 19:45:19 +0300
Subject: [PATCH 1510/2686] wifi: cfg80211: fix rdev_dump_mpp() arguments order
Fix the order of arguments in the TP_ARGS macro
for the rdev_dump_mpp tracepoint event.
Found by Linux Verification Center (linuxtesting.org).
Signed-off-by: Igor Artemiev <Igor.A.Artemiev@mcst.ru>
Link: https://msgid.link/20240311164519.118398-1-Igor.A.Artemiev@mcst.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
net/wireless/trace.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index e039e66ab3777..cbbf347c6b2e0 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -1024,7 +1024,7 @@ TRACE_EVENT(rdev_get_mpp,
TRACE_EVENT(rdev_dump_mpp,
TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, int _idx,
u8 *dst, u8 *mpp),
- TP_ARGS(wiphy, netdev, _idx, mpp, dst),
+ TP_ARGS(wiphy, netdev, _idx, dst, mpp),
TP_STRUCT__entry(
WIPHY_ENTRY
NETDEV_ENTRY
--
GitLab
From 2e6bd24339a6ff04413b2e49c0f2672d6f0edfa5 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 18 Mar 2024 18:53:30 +0200
Subject: [PATCH 1511/2686] wifi: mac80211: fix prep_connection error path
If prep_channel fails in prep_connection, the code releases
the deflink's chanctx, which is wrong since we may be using
a different link. It's already wrong to even do that always
though, since we might still have the station. Remove it
only if prep_channel succeeded and later updates fail.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240318184907.2780c1f08c3d.I033c9b15483933088f32a2c0789612a33dd33d82@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
net/mac80211/mlme.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 47a2cba8313f0..202b2ddb4cc15 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -7652,7 +7652,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
sdata_info(sdata,
"failed to insert STA entry for the AP (error %d)\n",
err);
- goto out_err;
+ goto out_release_chan;
}
} else
WARN_ON_ONCE(!ether_addr_equal(link->u.mgd.bssid, cbss->bssid));
@@ -7663,8 +7663,9 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
return 0;
+out_release_chan:
+ ieee80211_link_release_channel(link);
out_err:
- ieee80211_link_release_channel(&sdata->deflink);
ieee80211_vif_set_links(sdata, 0, 0);
return err;
}
--
GitLab
From bbe806c294c9c4cd1221140d96e5f367673e393a Mon Sep 17 00:00:00 2001
From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Mon, 11 Mar 2024 08:28:01 +0200
Subject: [PATCH 1512/2686] wifi: iwlwifi: mvm: pick the version of
SESSION_PROTECTION_NOTIF
When we want to know whether we should look for the mac_id or the
link_id in struct iwl_mvm_session_prot_notif, we should look at the
version of SESSION_PROTECTION_NOTIF.
This causes WARNINGs:
WARNING: CPU: 0 PID: 11403 at drivers/net/wireless/intel/iwlwifi/mvm/time-event.c:959 iwl_mvm_rx_session_protect_notif+0x333/0x340 [iwlmvm]
RIP: 0010:iwl_mvm_rx_session_protect_notif+0x333/0x340 [iwlmvm]
Code: 00 49 c7 84 24 48 07 00 00 00 00 00 00 41 c6 84 24 78 07 00 00 ff 4c 89 f7 e8 e9 71 54 d9 e9 7d fd ff ff 0f 0b e9 23 fe ff ff <0f> 0b e9 1c fe ff ff 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffb4bb00003d40 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff9ae63a361000 RCX: ffff9ae4a98b60d4
RDX: ffff9ae4588499c0 RSI: 0000000000000305 RDI: ffff9ae4a98b6358
RBP: ffffb4bb00003d68 R08: 0000000000000003 R09: 0000000000000010
R10: ffffb4bb00003d00 R11: 000000000000000f R12: ffff9ae441399050
R13: ffff9ae4761329e8 R14: 0000000000000001 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff9ae7af400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fb75680018 CR3: 00000003dae32006 CR4: 0000000000f70ef0
PKRU: 55555554
Call Trace:
<IRQ>
? show_regs+0x69/0x80
? __warn+0x8d/0x150
? iwl_mvm_rx_session_protect_notif+0x333/0x340 [iwlmvm]
? report_bug+0x196/0x1c0
? handle_bug+0x45/0x80
? exc_invalid_op+0x1c/0xb0
? asm_exc_invalid_op+0x1f/0x30
? iwl_mvm_rx_session_protect_notif+0x333/0x340 [iwlmvm]
iwl_mvm_rx_common+0x115/0x340 [iwlmvm]
iwl_mvm_rx_mq+0xa6/0x100 [iwlmvm]
iwl_pcie_rx_handle+0x263/0xa10 [iwlwifi]
iwl_pcie_napi_poll_msix+0x32/0xd0 [iwlwifi]
Fixes: 085d33c53012 ("wifi: iwlwifi: support link id in SESSION_PROTECTION_NOTIF")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240311081938.39d5618f7b9d.I564d863e53c6cbcb49141467932ecb6a9840b320@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
drivers/net/wireless/intel/iwlwifi/mvm/time-event.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
index a59d264a11c52..ad960faceb0d8 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
@@ -879,9 +879,8 @@ void iwl_mvm_rx_session_protect_notif(struct iwl_mvm *mvm,
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_mvm_session_prot_notif *notif = (void *)pkt->data;
unsigned int ver =
- iwl_fw_lookup_cmd_ver(mvm->fw,
- WIDE_ID(MAC_CONF_GROUP,
- SESSION_PROTECTION_CMD), 2);
+ iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP,
+ SESSION_PROTECTION_NOTIF, 2);
int id = le32_to_cpu(notif->mac_link_id);
struct ieee80211_vif *vif;
struct iwl_mvm_vif *mvmvif;
--
GitLab
From 847d7353e5a95d4df339dd86f5a4fb69f41eff75 Mon Sep 17 00:00:00 2001
From: Shaul Triebitz <shaul.triebitz@intel.com>
Date: Mon, 11 Mar 2024 08:28:02 +0200
Subject: [PATCH 1513/2686] wifi: iwlwifi: mvm: consider having one active link
Do not call iwl_mvm_mld_get_primary_link if only one link
is active.
In that case, the sole active link should be used.
iwl_mvm_mld_get_primary_link returns -1 if only one link
is active causing a warning.
Fixes: 8c9bef26e98b ("wifi: iwlwifi: mvm: d3: implement suspend with MLO")
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240311081938.6c50061bf69b.I05b0ac7fa7149eabaa5570a6f65b0d9bfb09a6f1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index 553c6fffc7c66..52518a47554e7 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -1260,15 +1260,15 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
if (IS_ERR_OR_NULL(vif))
return 1;
- if (ieee80211_vif_is_mld(vif) && vif->cfg.assoc) {
+ if (hweight16(vif->active_links) > 1) {
/*
- * Select the 'best' link. May need to revisit, it seems
- * better to not optimize for throughput but rather range,
- * reliability and power here - and select 2.4 GHz ...
+ * Select the 'best' link.
+ * May need to revisit, it seems better to not optimize
+ * for throughput but rather range, reliability and
+ * power here - and select 2.4 GHz ...
*/
- primary_link =
- iwl_mvm_mld_get_primary_link(mvm, vif,
- vif->active_links);
+ primary_link = iwl_mvm_mld_get_primary_link(mvm, vif,
+ vif->active_links);
if (WARN_ONCE(primary_link < 0, "no primary link in 0x%x\n",
vif->active_links))
@@ -1277,6 +1277,8 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
ret = ieee80211_set_active_links(vif, BIT(primary_link));
if (ret)
return ret;
+ } else if (vif->active_links) {
+ primary_link = __ffs(vif->active_links);
} else {
primary_link = 0;
}
--
GitLab
From a8b5d4809b503da668966a8187b9872e6c85291c Mon Sep 17 00:00:00 2001
From: Ilan Peer <ilan.peer@intel.com>
Date: Mon, 11 Mar 2024 08:28:05 +0200
Subject: [PATCH 1514/2686] wifi: iwlwifi: mvm: Configure the link mapping for
non-MLD FW
In the non MLD firmware flows, although the deflink is used, the mapping
of link ID to BSS configuration was missing, which causes flows that need
this mapping to crash.
Fix this by adding the link ID to BSS configuration mapping to non MLD
flows as well.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240311081938.0b5c361e8f0c.Ib11f41815d2efa5d1ec57f855de4c8563142987b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
drivers/net/wireless/intel/iwlwifi/mvm/link.c | 59 ++++++++++++++-----
.../net/wireless/intel/iwlwifi/mvm/mac80211.c | 7 +++
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 4 ++
3 files changed, 56 insertions(+), 14 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/link.c b/drivers/net/wireless/intel/iwlwifi/mvm/link.c
index f13f13e6b71af..9f69e04594e49 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c
@@ -46,6 +46,27 @@ static int iwl_mvm_link_cmd_send(struct iwl_mvm *mvm,
return ret;
}
+int iwl_mvm_set_link_mapping(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *link_conf)
+{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct iwl_mvm_vif_link_info *link_info =
+ mvmvif->link[link_conf->link_id];
+
+ if (link_info->fw_link_id == IWL_MVM_FW_LINK_ID_INVALID) {
+ link_info->fw_link_id = iwl_mvm_get_free_fw_link_id(mvm,
+ mvmvif);
+ if (link_info->fw_link_id >=
+ ARRAY_SIZE(mvm->link_id_to_link_conf))
+ return -EINVAL;
+
+ rcu_assign_pointer(mvm->link_id_to_link_conf[link_info->fw_link_id],
+ link_conf);
+ }
+
+ return 0;
+}
+
int iwl_mvm_add_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf)
{
@@ -55,19 +76,14 @@ int iwl_mvm_add_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct iwl_link_config_cmd cmd = {};
unsigned int cmd_id = WIDE_ID(MAC_CONF_GROUP, LINK_CONFIG_CMD);
u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 1);
+ int ret;
if (WARN_ON_ONCE(!link_info))
return -EINVAL;
- if (link_info->fw_link_id == IWL_MVM_FW_LINK_ID_INVALID) {
- link_info->fw_link_id = iwl_mvm_get_free_fw_link_id(mvm,
- mvmvif);
- if (link_info->fw_link_id >= ARRAY_SIZE(mvm->link_id_to_link_conf))
- return -EINVAL;
-
- rcu_assign_pointer(mvm->link_id_to_link_conf[link_info->fw_link_id],
- link_conf);
- }
+ ret = iwl_mvm_set_link_mapping(mvm, vif, link_conf);
+ if (ret)
+ return ret;
/* Update SF - Disable if needed. if this fails, SF might still be on
* while many macs are bound, which is forbidden - so fail the binding.
@@ -248,6 +264,24 @@ int iwl_mvm_link_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
return ret;
}
+int iwl_mvm_unset_link_mapping(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *link_conf)
+{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct iwl_mvm_vif_link_info *link_info =
+ mvmvif->link[link_conf->link_id];
+
+ /* mac80211 thought we have the link, but it was never configured */
+ if (WARN_ON(!link_info ||
+ link_info->fw_link_id >=
+ ARRAY_SIZE(mvm->link_id_to_link_conf)))
+ return -EINVAL;
+
+ RCU_INIT_POINTER(mvm->link_id_to_link_conf[link_info->fw_link_id],
+ NULL);
+ return 0;
+}
+
int iwl_mvm_remove_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf)
{
@@ -257,13 +291,10 @@ int iwl_mvm_remove_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct iwl_link_config_cmd cmd = {};
int ret;
- /* mac80211 thought we have the link, but it was never configured */
- if (WARN_ON(!link_info ||
- link_info->fw_link_id >= ARRAY_SIZE(mvm->link_id_to_link_conf)))
+ ret = iwl_mvm_unset_link_mapping(mvm, vif, link_conf);
+ if (ret)
return 0;
- RCU_INIT_POINTER(mvm->link_id_to_link_conf[link_info->fw_link_id],
- NULL);
cmd.link_id = cpu_to_le32(link_info->fw_link_id);
iwl_mvm_release_fw_link_id(mvm, link_info->fw_link_id);
link_info->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 69227954e281d..8f4b063d6243e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -1577,8 +1577,14 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
mvmvif->mvm = mvm;
/* the first link always points to the default one */
+ mvmvif->deflink.fw_link_id = IWL_MVM_FW_LINK_ID_INVALID;
+ mvmvif->deflink.active = 0;
mvmvif->link[0] = &mvmvif->deflink;
+ ret = iwl_mvm_set_link_mapping(mvm, vif, &vif->bss_conf);
+ if (ret)
+ goto out;
+
/*
* Not much to do here. The stack will not allow interface
* types or combinations that we didn't advertise, so we
@@ -1783,6 +1789,7 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
mvm->p2p_device_vif = NULL;
}
+ iwl_mvm_unset_link_mapping(mvm, vif, &vif->bss_conf);
iwl_mvm_mac_ctxt_remove(mvm, vif);
RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index a10b48947bcac..f6d334eb93b76 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -1918,11 +1918,15 @@ int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
u32 iwl_mvm_get_lmac_id(struct iwl_mvm *mvm, enum nl80211_band band);
/* Links */
+int iwl_mvm_set_link_mapping(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *link_conf);
int iwl_mvm_add_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf);
int iwl_mvm_link_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf,
u32 changes, bool active);
+int iwl_mvm_unset_link_mapping(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *link_conf);
int iwl_mvm_remove_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf);
int iwl_mvm_disable_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
--
GitLab
From 134d715e9ee2611edfb51774608ad465266bb3ef Mon Sep 17 00:00:00 2001
From: Ayala Beker <ayala.beker@intel.com>
Date: Mon, 18 Mar 2024 18:53:22 +0200
Subject: [PATCH 1515/2686] wifi: mac80211: correctly set active links upon
TTLM
Fix ieee80211_ttlm_set_links() to not set all active links,
but instead let the driver know that valid links status changed
and select the active links properly.
Fixes: 8f500fbc6c65 ("wifi: mac80211: process and save negotiated TID to Link mapping request")
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240318184907.acddbbf39584.Ide858f95248fcb3e483c97fcaa14b0cd4e964b10@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
net/mac80211/mlme.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 202b2ddb4cc15..96b70006b7fc0 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -5874,6 +5874,15 @@ static int ieee80211_ttlm_set_links(struct ieee80211_sub_if_data *sdata,
}
if (sdata->vif.active_links != active_links) {
+ /* usable links are affected when active_links are changed,
+ * so notify the driver about the status change
+ */
+ changed |= BSS_CHANGED_MLD_VALID_LINKS;
+ active_links &= sdata->vif.active_links;
+ if (!active_links)
+ active_links =
+ BIT(__ffs(sdata->vif.valid_links &
+ ~dormant_links));
ret = ieee80211_set_active_links(&sdata->vif, active_links);
if (ret) {
sdata_info(sdata, "Failed to set TTLM active links\n");
@@ -5888,7 +5897,6 @@ static int ieee80211_ttlm_set_links(struct ieee80211_sub_if_data *sdata,
goto out;
}
- changed |= BSS_CHANGED_MLD_VALID_LINKS;
sdata->vif.suspended_links = suspended_links;
if (sdata->vif.suspended_links)
changed |= BSS_CHANGED_MLD_TTLM;
--
GitLab
From 06a093807eb7b5c5b29b6cff49f8174a4e702341 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Tue, 19 Mar 2024 10:10:17 +0200
Subject: [PATCH 1516/2686] wifi: iwlwifi: mvm: rfi: fix potential response
leaks
If the rx payload length check fails, or if kmemdup() fails,
we still need to free the command response. Fix that.
Fixes: 21254908cbe9 ("iwlwifi: mvm: add RFI-M support")
Co-authored-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240319100755.db2fa0196aa7.I116293b132502ac68a65527330fa37799694b79c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
drivers/net/wireless/intel/iwlwifi/mvm/rfi.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c b/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c
index 2ecd32bed752f..045c862a8fc4f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c
@@ -132,14 +132,18 @@ struct iwl_rfi_freq_table_resp_cmd *iwl_rfi_get_freq_table(struct iwl_mvm *mvm)
if (ret)
return ERR_PTR(ret);
- if (WARN_ON_ONCE(iwl_rx_packet_payload_len(cmd.resp_pkt) != resp_size))
+ if (WARN_ON_ONCE(iwl_rx_packet_payload_len(cmd.resp_pkt) !=
+ resp_size)) {
+ iwl_free_resp(&cmd);
return ERR_PTR(-EIO);
+ }
resp = kmemdup(cmd.resp_pkt->data, resp_size, GFP_KERNEL);
+ iwl_free_resp(&cmd);
+
if (!resp)
return ERR_PTR(-ENOMEM);
- iwl_free_resp(&cmd);
return resp;
}
--
GitLab
From 045a5b645dd59929b0e05375f493cde3a0318271 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Tue, 19 Mar 2024 10:10:20 +0200
Subject: [PATCH 1517/2686] wifi: iwlwifi: fw: don't always use FW dump trig
Since the dump_data (struct iwl_fwrt_dump_data) is a union,
it's not safe to unconditionally access and use the 'trig'
member, it might be 'desc' instead. Access it only if it's
known to be 'trig' rather than 'desc', i.e. if ini-debug
is present.
Cc: stable@vger.kernel.org
Fixes: 0eb50c674a1e ("iwlwifi: yoyo: send hcmd to fw after dump collection completes.")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240319100755.e2976bc58b29.I72fbd6135b3623227de53d8a2bb82776066cb72b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index db6d7013df665..c3bdf433d8f7b 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -3081,8 +3081,6 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx)
struct iwl_fw_dbg_params params = {0};
struct iwl_fwrt_dump_data *dump_data =
&fwrt->dump.wks[wk_idx].dump_data;
- u32 policy;
- u32 time_point;
if (!test_bit(wk_idx, &fwrt->dump.active_wks))
return;
@@ -3113,13 +3111,16 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx)
iwl_fw_dbg_stop_restart_recording(fwrt, ¶ms, false);
- policy = le32_to_cpu(dump_data->trig->apply_policy);
- time_point = le32_to_cpu(dump_data->trig->time_point);
+ if (iwl_trans_dbg_ini_valid(fwrt->trans)) {
+ u32 policy = le32_to_cpu(dump_data->trig->apply_policy);
+ u32 time_point = le32_to_cpu(dump_data->trig->time_point);
- if (policy & IWL_FW_INI_APPLY_POLICY_DUMP_COMPLETE_CMD) {
- IWL_DEBUG_FW_INFO(fwrt, "WRT: sending dump complete\n");
- iwl_send_dbg_dump_complete_cmd(fwrt, time_point, 0);
+ if (policy & IWL_FW_INI_APPLY_POLICY_DUMP_COMPLETE_CMD) {
+ IWL_DEBUG_FW_INFO(fwrt, "WRT: sending dump complete\n");
+ iwl_send_dbg_dump_complete_cmd(fwrt, time_point, 0);
+ }
}
+
if (fwrt->trans->dbg.last_tp_resetfw == IWL_FW_INI_RESET_FW_MODE_STOP_FW_ONLY)
iwl_force_nmi(fwrt->trans);
--
GitLab
From c2ace6300600c634553657785dfe5ea0ed688ac2 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Tue, 19 Mar 2024 10:10:22 +0200
Subject: [PATCH 1518/2686] wifi: iwlwifi: read txq->read_ptr under lock
If we read txq->read_ptr without lock, we can read the same
value twice, then obtain the lock, and reclaim from there
to two different places, but crucially reclaim the same
entry twice, resulting in the WARN_ONCE() a little later.
Fix that by reading txq->read_ptr under lock.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240319100755.bf4c62196504.I978a7ca56c6bd6f1bf42c15aa923ba03366a840b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
drivers/net/wireless/intel/iwlwifi/queue/tx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/queue/tx.c b/drivers/net/wireless/intel/iwlwifi/queue/tx.c
index 33973a60d0bf4..6229c785c8457 100644
--- a/drivers/net/wireless/intel/iwlwifi/queue/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/queue/tx.c
@@ -1589,9 +1589,9 @@ void iwl_txq_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
return;
tfd_num = iwl_txq_get_cmd_index(txq, ssn);
- read_ptr = iwl_txq_get_cmd_index(txq, txq->read_ptr);
spin_lock_bh(&txq->lock);
+ read_ptr = iwl_txq_get_cmd_index(txq, txq->read_ptr);
if (!test_bit(txq_id, trans->txqs.queue_used)) {
IWL_DEBUG_TX_QUEUES(trans, "Q %d inactive - ignoring idx %d\n",
--
GitLab
From 17f64517bf5c26af56b6c3566273aad6646c3c4f Mon Sep 17 00:00:00 2001
From: Benjamin Berg <benjamin.berg@intel.com>
Date: Wed, 20 Mar 2024 23:26:23 +0200
Subject: [PATCH 1519/2686] wifi: iwlwifi: mvm: guard against invalid STA ID on
removal
Guard against invalid station IDs in iwl_mvm_mld_rm_sta_id as that would
result in out-of-bounds array accesses. This prevents issues should the
driver get into a bad state during error handling.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240320232419.d523167bda9c.I1cffd86363805bf86a95d8bdfd4b438bb54baddc@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c
index 1628bf55458fc..23e64a757cfe8 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c
@@ -855,10 +855,15 @@ int iwl_mvm_mld_rm_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
int iwl_mvm_mld_rm_sta_id(struct iwl_mvm *mvm, u8 sta_id)
{
- int ret = iwl_mvm_mld_rm_sta_from_fw(mvm, sta_id);
+ int ret;
lockdep_assert_held(&mvm->mutex);
+ if (WARN_ON(sta_id == IWL_MVM_INVALID_STA))
+ return 0;
+
+ ret = iwl_mvm_mld_rm_sta_from_fw(mvm, sta_id);
+
RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id], NULL);
RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL);
return ret;
--
GitLab
From 19d82bdedaf2db0bfb3762dda714ea803065eed5 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 20 Mar 2024 23:26:32 +0200
Subject: [PATCH 1520/2686] wifi: iwlwifi: mvm: handle debugfs names more
carefully
With debugfs=off, we can get here with the dbgfs_dir being
an ERR_PTR(). Instead of checking for all this, which is
often flagged as a mistake, simply handle the names here
more carefully by printing them, then we don't need extra
checks.
Also, while checking, I noticed theoretically 'buf' is too
small, so fix that size as well.
Cc: stable@vger.kernel.org
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218422
Fixes: c36235acb34f ("wifi: iwlwifi: mvm: rework debugfs handling")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240320232419.4dc1eb3dd015.I32f308b0356ef5bcf8d188dd98ce9b210e3ab9fd@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
index 51b01f7528bee..7fe57ecd0682b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
@@ -748,7 +748,9 @@ void iwl_mvm_vif_dbgfs_add_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{
struct dentry *dbgfs_dir = vif->debugfs_dir;
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- char buf[100];
+ char buf[3 * 3 + 11 + (NL80211_WIPHY_NAME_MAXLEN + 1) +
+ (7 + IFNAMSIZ + 1) + 6 + 1];
+ char name[7 + IFNAMSIZ + 1];
/* this will happen in monitor mode */
if (!dbgfs_dir)
@@ -761,10 +763,11 @@ void iwl_mvm_vif_dbgfs_add_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
* find
* netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/
*/
- snprintf(buf, 100, "../../../%pd3/iwlmvm", dbgfs_dir);
+ snprintf(name, sizeof(name), "%pd", dbgfs_dir);
+ snprintf(buf, sizeof(buf), "../../../%pd3/iwlmvm", dbgfs_dir);
- mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name,
- mvm->debugfs_dir, buf);
+ mvmvif->dbgfs_slink =
+ debugfs_create_symlink(name, mvm->debugfs_dir, buf);
}
void iwl_mvm_vif_dbgfs_rm_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
--
GitLab
From e78d7877308989ef91b64a3c746ae31324c07caa Mon Sep 17 00:00:00 2001
From: Benjamin Berg <benjamin.berg@intel.com>
Date: Wed, 20 Mar 2024 23:26:22 +0200
Subject: [PATCH 1521/2686] wifi: iwlwifi: mvm: include link ID when releasing
frames
When releasing frames from the reorder buffer, the link ID was not
included in the RX status information. This subsequently led mac80211 to
drop the frame. Change it so that the link information is set
immediately when possible so that it doesn't not need to be filled in
anymore when submitting the frame to mac80211.
Fixes: b8a85a1d42d7 ("wifi: iwlwifi: mvm: rxmq: report link ID to mac80211")
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Tested-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240320232419.bbbd5e9bfe80.Iec1bf5c884e371f7bc5ea2534ed9ea8d3f2c0bf6@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 20 ++++++++-----------
1 file changed, 8 insertions(+), 12 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 1484eaedf4529..ce8d83c771a70 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -236,21 +236,13 @@ static void iwl_mvm_add_rtap_sniffer_config(struct iwl_mvm *mvm,
static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm,
struct napi_struct *napi,
struct sk_buff *skb, int queue,
- struct ieee80211_sta *sta,
- struct ieee80211_link_sta *link_sta)
+ struct ieee80211_sta *sta)
{
if (unlikely(iwl_mvm_check_pn(mvm, skb, queue, sta))) {
kfree_skb(skb);
return;
}
- if (sta && sta->valid_links && link_sta) {
- struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
-
- rx_status->link_valid = 1;
- rx_status->link_id = link_sta->link_id;
- }
-
ieee80211_rx_napi(mvm->hw, sta, skb, napi);
}
@@ -588,7 +580,7 @@ static void iwl_mvm_release_frames(struct iwl_mvm *mvm,
while ((skb = __skb_dequeue(skb_list))) {
iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb,
reorder_buf->queue,
- sta, NULL /* FIXME */);
+ sta);
reorder_buf->num_stored--;
}
}
@@ -2213,6 +2205,11 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
if (IS_ERR(sta))
sta = NULL;
link_sta = rcu_dereference(mvm->fw_id_to_link_sta[id]);
+
+ if (sta && sta->valid_links && link_sta) {
+ rx_status->link_valid = 1;
+ rx_status->link_id = link_sta->link_id;
+ }
}
} else if (!is_multicast_ether_addr(hdr->addr2)) {
/*
@@ -2356,8 +2353,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
!(desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME))
rx_status->flag |= RX_FLAG_AMSDU_MORE;
- iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta,
- link_sta);
+ iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta);
}
out:
rcu_read_unlock();
--
GitLab
From c2deb2e971f5d9aca941ef13ee05566979e337a4 Mon Sep 17 00:00:00 2001
From: linke li <lilinke99@qq.com>
Date: Thu, 21 Mar 2024 16:44:10 +0800
Subject: [PATCH 1522/2686] net: mark racy access on sk->sk_rcvbuf
sk->sk_rcvbuf in __sock_queue_rcv_skb() and __sk_receive_skb() can be
changed by other threads. Mark this as benign using READ_ONCE().
This patch is aimed at reducing the number of benign races reported by
KCSAN in order to focus future debugging effort on harmful races.
Signed-off-by: linke li <lilinke99@qq.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/core/sock.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/core/sock.c b/net/core/sock.c
index 43bf3818c19e8..0963689a59506 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -482,7 +482,7 @@ int __sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
unsigned long flags;
struct sk_buff_head *list = &sk->sk_receive_queue;
- if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf) {
+ if (atomic_read(&sk->sk_rmem_alloc) >= READ_ONCE(sk->sk_rcvbuf)) {
atomic_inc(&sk->sk_drops);
trace_sock_rcvqueue_full(sk, skb);
return -ENOMEM;
@@ -552,7 +552,7 @@ int __sk_receive_skb(struct sock *sk, struct sk_buff *skb,
skb->dev = NULL;
- if (sk_rcvqueues_full(sk, sk->sk_rcvbuf)) {
+ if (sk_rcvqueues_full(sk, READ_ONCE(sk->sk_rcvbuf))) {
atomic_inc(&sk->sk_drops);
goto discard_and_relse;
}
--
GitLab
From 8aebf68dfd4b482f7fb1f82864fdda08020f62b4 Mon Sep 17 00:00:00 2001
From: Rob Herring <robh@kernel.org>
Date: Tue, 30 Jan 2024 15:59:17 -0600
Subject: [PATCH 1523/2686] MAINTAINERS: Add TPM DT bindings to TPM maintainers
Bindings for a given device class generally go to the respective
subsystem maintainers. Add the TPM bindings to the TPM
maintainers entry.
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.ogr>
Link: https://lore.kernel.org/r/20240130215917.2473250-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
MAINTAINERS | 1 +
1 file changed, 1 insertion(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index aa3b947fb0801..08ea59b78df07 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -22384,6 +22384,7 @@ S: Maintained
W: https://kernsec.org/wiki/index.php/Linux_Kernel_Integrity
Q: https://patchwork.kernel.org/project/linux-integrity/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git
+F: Documentation/devicetree/bindings/tpm/
F: drivers/char/tpm/
TPS546D24 DRIVER
--
GitLab
From 3d9b8e6db9bda4463bbf2a97411f0716215254da Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Mon, 25 Mar 2024 10:11:39 +0100
Subject: [PATCH 1524/2686] docs: dt-bindings: add missing address/size-cells
to example
Complete the example of recommended order of properties by adding
missing address/size-cells. They are not necessary to illustrate the
style, but lack of them us bit really correct DTS code which might
confuse readers.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240325091139.18602-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
Documentation/devicetree/bindings/dts-coding-style.rst | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/dts-coding-style.rst b/Documentation/devicetree/bindings/dts-coding-style.rst
index a9bdd2b59dcab..8a68331075a09 100644
--- a/Documentation/devicetree/bindings/dts-coding-style.rst
+++ b/Documentation/devicetree/bindings/dts-coding-style.rst
@@ -144,6 +144,8 @@ Example::
#dma-cells = <1>;
clocks = <&clock_controller 0>, <&clock_controller 1>;
clock-names = "bus", "host";
+ #address-cells = <1>;
+ #size-cells = <1>;
vendor,custom-property = <2>;
status = "disabled";
--
GitLab
From 3c953163447e00bbb302666d68323cdb732c722f Mon Sep 17 00:00:00 2001
From: Simon Trimmer <simont@opensource.cirrus.com>
Date: Mon, 25 Mar 2024 14:29:37 +0000
Subject: [PATCH 1525/2686] ALSA: hda: cs35l56: Raise device name message log
level
The system and amplifier names influence which firmware and tuning files
are downloaded to the device; log these values to aid end-user system
support.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Message-ID: <20240325142937.257869-1-rf@opensource.cirrus.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/cs35l56_hda.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c
index 41974b3897a72..f3c5715f5e023 100644
--- a/sound/pci/hda/cs35l56_hda.c
+++ b/sound/pci/hda/cs35l56_hda.c
@@ -1024,8 +1024,8 @@ int cs35l56_hda_common_probe(struct cs35l56_hda *cs35l56, int hid, int id)
goto err;
}
- dev_dbg(cs35l56->base.dev, "DSP system name: '%s', amp name: '%s'\n",
- cs35l56->system_name, cs35l56->amp_name);
+ dev_info(cs35l56->base.dev, "DSP system name: '%s', amp name: '%s'\n",
+ cs35l56->system_name, cs35l56->amp_name);
regmap_multi_reg_write(cs35l56->base.regmap, cs35l56_hda_dai_config,
ARRAY_SIZE(cs35l56_hda_dai_config));
--
GitLab
From cafe9c6a72cf1ffe96d2561d988a141cb5c093db Mon Sep 17 00:00:00 2001
From: Simon Trimmer <simont@opensource.cirrus.com>
Date: Mon, 25 Mar 2024 14:55:10 +0000
Subject: [PATCH 1526/2686] ALSA: hda: cs35l56: Set the init_done flag before
component_add()
Initialization is completed before adding the component as that can
start the process of the device binding and trigger actions that check
init_done.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Fixes: 73cfbfa9caea ("ALSA: hda/cs35l56: Add driver for Cirrus Logic CS35L56 amplifier")
Message-ID: <20240325145510.328378-1-rf@opensource.cirrus.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/cs35l56_hda.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c
index f3c5715f5e023..1a3f84599cb58 100644
--- a/sound/pci/hda/cs35l56_hda.c
+++ b/sound/pci/hda/cs35l56_hda.c
@@ -1045,14 +1045,14 @@ int cs35l56_hda_common_probe(struct cs35l56_hda *cs35l56, int hid, int id)
pm_runtime_mark_last_busy(cs35l56->base.dev);
pm_runtime_enable(cs35l56->base.dev);
+ cs35l56->base.init_done = true;
+
ret = component_add(cs35l56->base.dev, &cs35l56_hda_comp_ops);
if (ret) {
dev_err(cs35l56->base.dev, "Register component failed: %d\n", ret);
goto pm_err;
}
- cs35l56->base.init_done = true;
-
return 0;
pm_err:
--
GitLab
From fb9f8125ed9d9b8e11f309a7dbfbe7b40de48fba Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:07:58 +0200
Subject: [PATCH 1527/2686] ASoC: SOF: Add dsp_max_burst_size_in_ms member to
snd_sof_pcm_stream
The dsp_max_burst_size_in_ms can be used to save the length of the maximum
burst size in ms the host DMA will use.
Platform code can place constraint using this to avoid user space
requesting too small ALSA buffer which will result xruns.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-2-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/sof-audio.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h
index 9ea2ac5adac79..04e5cb2c70a7c 100644
--- a/sound/soc/sof/sof-audio.h
+++ b/sound/soc/sof/sof-audio.h
@@ -322,6 +322,7 @@ struct snd_sof_pcm_stream {
struct work_struct period_elapsed_work;
struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */
bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */
+ unsigned int dsp_max_burst_size_in_ms; /* The maximum size of the host DMA burst in ms */
/*
* flag to indicate that the DSP pipelines should be kept
* active or not while suspending the stream
--
GitLab
From 842bb8b62cc6f3546d61eb63115b32ebc6dd4a87 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:07:59 +0200
Subject: [PATCH 1528/2686] ASoC: SOF: ipc4-topology: Save the DMA maximum
burst size for PCMs
When setting up the pcm widget, save the DSP buffer size (in ms) for
platform code to place a constraint on playback.
On playback the DMA will fill the buffer on start and if the period
size is smaller it will immediately overrun.
On capture the DMA will move data in 1ms bursts.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-3-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/ipc4-topology.c | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c
index da4a83afb87a8..bb4cf6dd1e189 100644
--- a/sound/soc/sof/ipc4-topology.c
+++ b/sound/soc/sof/ipc4-topology.c
@@ -412,8 +412,9 @@ static int sof_ipc4_widget_setup_pcm(struct snd_sof_widget *swidget)
struct sof_ipc4_available_audio_format *available_fmt;
struct snd_soc_component *scomp = swidget->scomp;
struct sof_ipc4_copier *ipc4_copier;
+ struct snd_sof_pcm *spcm;
int node_type = 0;
- int ret;
+ int ret, dir;
ipc4_copier = kzalloc(sizeof(*ipc4_copier), GFP_KERNEL);
if (!ipc4_copier)
@@ -447,6 +448,25 @@ static int sof_ipc4_widget_setup_pcm(struct snd_sof_widget *swidget)
}
dev_dbg(scomp->dev, "host copier '%s' node_type %u\n", swidget->widget->name, node_type);
+ spcm = snd_sof_find_spcm_comp(scomp, swidget->comp_id, &dir);
+ if (!spcm)
+ goto skip_gtw_cfg;
+
+ if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
+ struct snd_sof_pcm_stream *sps = &spcm->stream[dir];
+
+ sof_update_ipc_object(scomp, &sps->dsp_max_burst_size_in_ms,
+ SOF_COPIER_DEEP_BUFFER_TOKENS,
+ swidget->tuples,
+ swidget->num_tuples, sizeof(u32), 1);
+ /* Set default DMA buffer size if it is not specified in topology */
+ if (!sps->dsp_max_burst_size_in_ms)
+ sps->dsp_max_burst_size_in_ms = SOF_IPC4_MIN_DMA_BUFFER_SIZE;
+ } else {
+ /* Capture data is copied from DSP to host in 1ms bursts */
+ spcm->stream[dir].dsp_max_burst_size_in_ms = 1;
+ }
+
skip_gtw_cfg:
ipc4_copier->gtw_attr = kzalloc(sizeof(*ipc4_copier->gtw_attr), GFP_KERNEL);
if (!ipc4_copier->gtw_attr) {
--
GitLab
From fe76d2e75a6da97edd2b4ec5cfb9efd541be087a Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:00 +0200
Subject: [PATCH 1529/2686] ASoC: SOF: Intel: hda-pcm: Use
dsp_max_burst_size_in_ms to place constraint
If the PCM have the dsp_max_burst_size_in_ms set then place a constraint
to limit the minimum buffer time to avoid xruns caused by DMA bursts
spinning on the ALSA buffer.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-4-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/intel/hda-pcm.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/sound/soc/sof/intel/hda-pcm.c b/sound/soc/sof/intel/hda-pcm.c
index 18f07364d2198..69fefcd1abc5b 100644
--- a/sound/soc/sof/intel/hda-pcm.c
+++ b/sound/soc/sof/intel/hda-pcm.c
@@ -259,6 +259,27 @@ int hda_dsp_pcm_open(struct snd_sof_dev *sdev,
snd_pcm_hw_constraint_mask64(substream->runtime, SNDRV_PCM_HW_PARAM_FORMAT,
SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_S32);
+ /*
+ * The dsp_max_burst_size_in_ms is the length of the maximum burst size
+ * of the host DMA in the ALSA buffer.
+ *
+ * On playback start the DMA will transfer dsp_max_burst_size_in_ms
+ * amount of data in one initial burst to fill up the host DMA buffer.
+ * Consequent DMA burst sizes are shorter and their length can vary.
+ * To make sure that userspace allocate large enough ALSA buffer we need
+ * to place a constraint on the buffer time.
+ *
+ * On capture the DMA will transfer 1ms chunks.
+ *
+ * Exact dsp_max_burst_size_in_ms constraint is racy, so set the
+ * constraint to a minimum of 2x dsp_max_burst_size_in_ms.
+ */
+ if (spcm->stream[direction].dsp_max_burst_size_in_ms)
+ snd_pcm_hw_constraint_minmax(substream->runtime,
+ SNDRV_PCM_HW_PARAM_BUFFER_TIME,
+ spcm->stream[direction].dsp_max_burst_size_in_ms * USEC_PER_MSEC * 2,
+ UINT_MAX);
+
/* binding pcm substream to hda stream */
substream->runtime->private_data = &dsp_stream->hstream;
return 0;
--
GitLab
From 67b182bea08a8d1092b91b57aefdfe420fce1634 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:01 +0200
Subject: [PATCH 1530/2686] ASoC: SOF: Intel: hda: Implement
get_stream_position (Linear Link Position)
When the Linear Link Position is not available in firmware SRAM window we
use the host accessible position registers to read it.
The address of the PPLCLLPL/U registers depend on the number of streams
(playback+capture).
At probe time the pplc_addr is calculated for each stream and we can use
it to read the LLP without the need of address re-calculation.
Set the get_stream_position callback in sof_hda_common_ops for all
platforms:
The callback is used for IPC4 delay calculations only but the register is
a generic HDA register, not tied to any specific IPC version.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-5-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/intel/hda-common-ops.c | 2 ++
sound/soc/sof/intel/hda-stream.c | 32 ++++++++++++++++++++++++++++
sound/soc/sof/intel/hda.h | 3 +++
3 files changed, 37 insertions(+)
diff --git a/sound/soc/sof/intel/hda-common-ops.c b/sound/soc/sof/intel/hda-common-ops.c
index 2b385cddc385c..80a69599a8c30 100644
--- a/sound/soc/sof/intel/hda-common-ops.c
+++ b/sound/soc/sof/intel/hda-common-ops.c
@@ -57,6 +57,8 @@ struct snd_sof_dsp_ops sof_hda_common_ops = {
.pcm_pointer = hda_dsp_pcm_pointer,
.pcm_ack = hda_dsp_pcm_ack,
+ .get_stream_position = hda_dsp_get_stream_llp,
+
/* firmware loading */
.load_firmware = snd_sof_load_firmware_raw,
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c
index b387b1a69d7ea..48ea187f72302 100644
--- a/sound/soc/sof/intel/hda-stream.c
+++ b/sound/soc/sof/intel/hda-stream.c
@@ -1063,3 +1063,35 @@ snd_pcm_uframes_t hda_dsp_stream_get_position(struct hdac_stream *hstream,
return pos;
}
+
+/**
+ * hda_dsp_get_stream_llp - Retrieve the LLP (Linear Link Position) of the stream
+ * @sdev: SOF device
+ * @component: ASoC component
+ * @substream: PCM substream
+ *
+ * Returns the raw Linear Link Position value
+ */
+u64 hda_dsp_get_stream_llp(struct snd_sof_dev *sdev,
+ struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
+{
+ struct hdac_stream *hstream = substream->runtime->private_data;
+ struct hdac_ext_stream *hext_stream = stream_to_hdac_ext_stream(hstream);
+ u32 llp_l, llp_u;
+
+ /*
+ * The pplc_addr have been calculated during probe in
+ * hda_dsp_stream_init():
+ * pplc_addr = sdev->bar[HDA_DSP_PP_BAR] +
+ * SOF_HDA_PPLC_BASE +
+ * SOF_HDA_PPLC_MULTI * total_stream +
+ * SOF_HDA_PPLC_INTERVAL * stream_index
+ *
+ * Use this pre-calculated address to avoid repeated re-calculation.
+ */
+ llp_l = readl(hext_stream->pplc_addr + AZX_REG_PPLCLLPL);
+ llp_u = readl(hext_stream->pplc_addr + AZX_REG_PPLCLLPU);
+
+ return ((u64)llp_u << 32) | llp_l;
+}
diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index b36eb7c789133..9d26cad785fe0 100644
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -662,6 +662,9 @@ bool hda_dsp_check_stream_irq(struct snd_sof_dev *sdev);
snd_pcm_uframes_t hda_dsp_stream_get_position(struct hdac_stream *hstream,
int direction, bool can_sleep);
+u64 hda_dsp_get_stream_llp(struct snd_sof_dev *sdev,
+ struct snd_soc_component *component,
+ struct snd_pcm_substream *substream);
struct hdac_ext_stream *
hda_dsp_stream_get(struct snd_sof_dev *sdev, int direction, u32 flags);
--
GitLab
From 4374f698d7d9f849b66f3fa8f7a64f0bc1a53d7f Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:02 +0200
Subject: [PATCH 1531/2686] ASoC: SOF: Intel: mtl/lnl: Use the generic
get_stream_position callback
Drop the MTL mtl_dsp_get_stream_hda_link_position() function and related
defines since it can only work on platforms which have 19 streams because
of the use of 0x948 as base offset for the LLP registers.
The generic hda_dsp_get_stream_hda_link_position() takes the number of
streams into consideration when reading the LLP registers for the stream
and can handle different HDA configurations.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-6-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/intel/lnl.c | 2 --
sound/soc/sof/intel/mtl.c | 14 --------------
sound/soc/sof/intel/mtl.h | 10 ----------
3 files changed, 26 deletions(-)
diff --git a/sound/soc/sof/intel/lnl.c b/sound/soc/sof/intel/lnl.c
index 7ae017a00184e..d1c73d407e68e 100644
--- a/sound/soc/sof/intel/lnl.c
+++ b/sound/soc/sof/intel/lnl.c
@@ -134,8 +134,6 @@ int sof_lnl_ops_init(struct snd_sof_dev *sdev)
sof_lnl_ops.runtime_resume = lnl_hda_dsp_runtime_resume;
}
- sof_lnl_ops.get_stream_position = mtl_dsp_get_stream_hda_link_position;
-
/* dsp core get/put */
sof_lnl_ops.core_get = mtl_dsp_core_get;
sof_lnl_ops.core_put = mtl_dsp_core_put;
diff --git a/sound/soc/sof/intel/mtl.c b/sound/soc/sof/intel/mtl.c
index df05dc77b8d5e..060c34988e90d 100644
--- a/sound/soc/sof/intel/mtl.c
+++ b/sound/soc/sof/intel/mtl.c
@@ -626,18 +626,6 @@ static int mtl_dsp_disable_interrupts(struct snd_sof_dev *sdev)
return mtl_enable_interrupts(sdev, false);
}
-u64 mtl_dsp_get_stream_hda_link_position(struct snd_sof_dev *sdev,
- struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- struct hdac_stream *hstream = substream->runtime->private_data;
- u32 llp_l, llp_u;
-
- llp_l = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, MTL_PPLCLLPL(hstream->index));
- llp_u = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, MTL_PPLCLLPU(hstream->index));
- return ((u64)llp_u << 32) | llp_l;
-}
-
int mtl_dsp_core_get(struct snd_sof_dev *sdev, int core)
{
const struct sof_ipc_pm_ops *pm_ops = sdev->ipc->ops->pm;
@@ -707,8 +695,6 @@ int sof_mtl_ops_init(struct snd_sof_dev *sdev)
sof_mtl_ops.core_get = mtl_dsp_core_get;
sof_mtl_ops.core_put = mtl_dsp_core_put;
- sof_mtl_ops.get_stream_position = mtl_dsp_get_stream_hda_link_position;
-
sdev->private = kzalloc(sizeof(struct sof_ipc4_fw_data), GFP_KERNEL);
if (!sdev->private)
return -ENOMEM;
diff --git a/sound/soc/sof/intel/mtl.h b/sound/soc/sof/intel/mtl.h
index cc5a1f46fd095..ea8c1b83f7127 100644
--- a/sound/soc/sof/intel/mtl.h
+++ b/sound/soc/sof/intel/mtl.h
@@ -6,12 +6,6 @@
* Copyright(c) 2020-2022 Intel Corporation. All rights reserved.
*/
-/* HDA Registers */
-#define MTL_PPLCLLPL_BASE 0x948
-#define MTL_PPLCLLPU_STRIDE 0x10
-#define MTL_PPLCLLPL(x) (MTL_PPLCLLPL_BASE + (x) * MTL_PPLCLLPU_STRIDE)
-#define MTL_PPLCLLPU(x) (MTL_PPLCLLPL_BASE + 0x4 + (x) * MTL_PPLCLLPU_STRIDE)
-
/* DSP Registers */
#define MTL_HFDSSCS 0x1000
#define MTL_HFDSSCS_SPA_MASK BIT(16)
@@ -103,9 +97,5 @@ int mtl_dsp_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id);
void mtl_ipc_dump(struct snd_sof_dev *sdev);
-u64 mtl_dsp_get_stream_hda_link_position(struct snd_sof_dev *sdev,
- struct snd_soc_component *component,
- struct snd_pcm_substream *substream);
-
int mtl_dsp_core_get(struct snd_sof_dev *sdev, int core);
int mtl_dsp_core_put(struct snd_sof_dev *sdev, int core);
--
GitLab
From ce2faa9a180c1984225689b6b1cb26045f8b7470 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:03 +0200
Subject: [PATCH 1532/2686] ASoC: SOF: Introduce a new callback pair to be used
for PCM delay reporting
For delay calculation we need two information:
Number of bytes transferred between the DSP and host memory (ALSA buffer)
Number of frames transferred between the DSP and external device
(link/codec/DMIC/etc).
The reason for the different units (bytes vs frames) on host and dai side
is that the format on the dai side is decided by the firmware and might
not be the same as on the host side, thus the expectation is that the
counter reflects the number of frames.
The kernel know the host side format and in there we have access to the
DMA position which is in bytes.
In a simplified way, the DSP caused delay is the difference between the
two counters.
The existing get_stream_position callback is defined to retrieve the frame
counter on the DAI side but it's name is too generic to be intuitive and
makes it hard to define a callback for the host side.
This patch introduces a new set of callbacks to replace the
get_stream_position and define the host side equivalent:
get_dai_frame_counter
get_host_byte_counter
Subsequent patches will remove the old callback.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-7-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/ops.h | 24 ++++++++++++++++++++++++
sound/soc/sof/sof-priv.h | 21 +++++++++++++++++++++
2 files changed, 45 insertions(+)
diff --git a/sound/soc/sof/ops.h b/sound/soc/sof/ops.h
index 6cf21e829e072..d83cd771015cb 100644
--- a/sound/soc/sof/ops.h
+++ b/sound/soc/sof/ops.h
@@ -533,6 +533,30 @@ static inline u64 snd_sof_pcm_get_stream_position(struct snd_sof_dev *sdev,
return 0;
}
+static inline u64
+snd_sof_pcm_get_dai_frame_counter(struct snd_sof_dev *sdev,
+ struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
+{
+ if (sof_ops(sdev) && sof_ops(sdev)->get_dai_frame_counter)
+ return sof_ops(sdev)->get_dai_frame_counter(sdev, component,
+ substream);
+
+ return 0;
+}
+
+static inline u64
+snd_sof_pcm_get_host_byte_counter(struct snd_sof_dev *sdev,
+ struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
+{
+ if (sof_ops(sdev) && sof_ops(sdev)->get_host_byte_counter)
+ return sof_ops(sdev)->get_host_byte_counter(sdev, component,
+ substream);
+
+ return 0;
+}
+
/* machine driver */
static inline int
snd_sof_machine_register(struct snd_sof_dev *sdev, void *pdata)
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index d453a4ce3b219..91043f177dfa3 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -270,6 +270,27 @@ struct snd_sof_dsp_ops {
struct snd_soc_component *component,
struct snd_pcm_substream *substream); /* optional */
+ /*
+ * optional callback to retrieve the number of frames left/arrived from/to
+ * the DSP on the DAI side (link/codec/DMIC/etc).
+ *
+ * The callback is used when the firmware does not provide this information
+ * via the shared SRAM window and it can be retrieved by host.
+ */
+ u64 (*get_dai_frame_counter)(struct snd_sof_dev *sdev,
+ struct snd_soc_component *component,
+ struct snd_pcm_substream *substream); /* optional */
+
+ /*
+ * Optional callback to retrieve the number of bytes left/arrived from/to
+ * the DSP on the host side (bytes between host ALSA buffer and DSP).
+ *
+ * The callback is needed for ALSA delay reporting.
+ */
+ u64 (*get_host_byte_counter)(struct snd_sof_dev *sdev,
+ struct snd_soc_component *component,
+ struct snd_pcm_substream *substream); /* optional */
+
/* host read DSP stream data */
int (*ipc_msg_data)(struct snd_sof_dev *sdev,
struct snd_sof_pcm_stream *sps,
--
GitLab
From fd6f6a0632bc891673490bf4a92304172251825c Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:04 +0200
Subject: [PATCH 1533/2686] ASoC: SOF: Intel: Set the dai/host get frame/byte
counter callbacks
Add implementation for reading the LDP (Linear DMA Position) to be used as
get_host_byte_counter().
The LDP is counting the number of bytes moved between the DSP and host
memory.
Set the get_dai_frame_counter to hda_dsp_get_stream_llp, which is counting
the frames on the link side of the DSP.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-8-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/intel/hda-common-ops.c | 2 ++
sound/soc/sof/intel/hda-stream.c | 31 ++++++++++++++++++++++++++++
sound/soc/sof/intel/hda.h | 3 +++
3 files changed, 36 insertions(+)
diff --git a/sound/soc/sof/intel/hda-common-ops.c b/sound/soc/sof/intel/hda-common-ops.c
index 80a69599a8c30..4d7ea18604eee 100644
--- a/sound/soc/sof/intel/hda-common-ops.c
+++ b/sound/soc/sof/intel/hda-common-ops.c
@@ -58,6 +58,8 @@ struct snd_sof_dsp_ops sof_hda_common_ops = {
.pcm_ack = hda_dsp_pcm_ack,
.get_stream_position = hda_dsp_get_stream_llp,
+ .get_dai_frame_counter = hda_dsp_get_stream_llp,
+ .get_host_byte_counter = hda_dsp_get_stream_ldp,
/* firmware loading */
.load_firmware = snd_sof_load_firmware_raw,
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c
index 48ea187f72302..8504a4f27b608 100644
--- a/sound/soc/sof/intel/hda-stream.c
+++ b/sound/soc/sof/intel/hda-stream.c
@@ -1095,3 +1095,34 @@ u64 hda_dsp_get_stream_llp(struct snd_sof_dev *sdev,
return ((u64)llp_u << 32) | llp_l;
}
+
+/**
+ * hda_dsp_get_stream_ldp - Retrieve the LDP (Linear DMA Position) of the stream
+ * @sdev: SOF device
+ * @component: ASoC component
+ * @substream: PCM substream
+ *
+ * Returns the raw Linear Link Position value
+ */
+u64 hda_dsp_get_stream_ldp(struct snd_sof_dev *sdev,
+ struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
+{
+ struct hdac_stream *hstream = substream->runtime->private_data;
+ struct hdac_ext_stream *hext_stream = stream_to_hdac_ext_stream(hstream);
+ u32 ldp_l, ldp_u;
+
+ /*
+ * The pphc_addr have been calculated during probe in
+ * hda_dsp_stream_init():
+ * pphc_addr = sdev->bar[HDA_DSP_PP_BAR] +
+ * SOF_HDA_PPHC_BASE +
+ * SOF_HDA_PPHC_INTERVAL * stream_index
+ *
+ * Use this pre-calculated address to avoid repeated re-calculation.
+ */
+ ldp_l = readl(hext_stream->pphc_addr + AZX_REG_PPHCLDPL);
+ ldp_u = readl(hext_stream->pphc_addr + AZX_REG_PPHCLDPU);
+
+ return ((u64)ldp_u << 32) | ldp_l;
+}
diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index 9d26cad785fe0..81a1d4606d3cd 100644
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -665,6 +665,9 @@ snd_pcm_uframes_t hda_dsp_stream_get_position(struct hdac_stream *hstream,
u64 hda_dsp_get_stream_llp(struct snd_sof_dev *sdev,
struct snd_soc_component *component,
struct snd_pcm_substream *substream);
+u64 hda_dsp_get_stream_ldp(struct snd_sof_dev *sdev,
+ struct snd_soc_component *component,
+ struct snd_pcm_substream *substream);
struct hdac_ext_stream *
hda_dsp_stream_get(struct snd_sof_dev *sdev, int direction, u32 flags);
--
GitLab
From 37679a1bd372c8308a3faccf3438c9df642565b3 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:05 +0200
Subject: [PATCH 1534/2686] ASoC: SOF: ipc4-pcm: Use the
snd_sof_pcm_get_dai_frame_counter() for pcm_delay
Switch to the new callback to retrieve the DAI (link) frame counter.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-9-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/ipc4-pcm.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/sound/soc/sof/ipc4-pcm.c b/sound/soc/sof/ipc4-pcm.c
index 0f332c8cdbe6a..d0795f77cc153 100644
--- a/sound/soc/sof/ipc4-pcm.c
+++ b/sound/soc/sof/ipc4-pcm.c
@@ -897,11 +897,12 @@ static snd_pcm_sframes_t sof_ipc4_pcm_delay(struct snd_soc_component *component,
}
/*
- * HDaudio links don't support the LLP counter reported by firmware
- * the link position is read directly from hardware registers.
+ * If the LLP counter is not reported by firmware in the SRAM window
+ * then read the dai (link) position via host accessible means if
+ * available.
*/
if (!time_info->llp_offset) {
- tmp_ptr = snd_sof_pcm_get_stream_position(sdev, component, substream);
+ tmp_ptr = snd_sof_pcm_get_dai_frame_counter(sdev, component, substream);
if (!tmp_ptr)
return 0;
} else {
--
GitLab
From 4ab6c38c664442c1fc9911eb3c5c6953d3dbcca5 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:06 +0200
Subject: [PATCH 1535/2686] ASoC: SOF: Intel: hda-common-ops: Do not set the
get_stream_position callback
The get_stream_position has been replaced by get_dai_frame_counter, it
should not be set to allow it to be dropped from core code.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-10-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/intel/hda-common-ops.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/sound/soc/sof/intel/hda-common-ops.c b/sound/soc/sof/intel/hda-common-ops.c
index 4d7ea18604eee..d71bb66b99911 100644
--- a/sound/soc/sof/intel/hda-common-ops.c
+++ b/sound/soc/sof/intel/hda-common-ops.c
@@ -57,7 +57,6 @@ struct snd_sof_dsp_ops sof_hda_common_ops = {
.pcm_pointer = hda_dsp_pcm_pointer,
.pcm_ack = hda_dsp_pcm_ack,
- .get_stream_position = hda_dsp_get_stream_llp,
.get_dai_frame_counter = hda_dsp_get_stream_llp,
.get_host_byte_counter = hda_dsp_get_stream_ldp,
--
GitLab
From 07007b8ac42cffc23043d00e56b0f67a75dc4b22 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:07 +0200
Subject: [PATCH 1536/2686] ASoC: SOF: Remove the get_stream_position callback
The get_stream_position has been replaced by get_dai_frame_counter and all
related code can be dropped form the core.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-11-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/ops.h | 10 ----------
sound/soc/sof/sof-priv.h | 9 ---------
2 files changed, 19 deletions(-)
diff --git a/sound/soc/sof/ops.h b/sound/soc/sof/ops.h
index d83cd771015cb..3cd748e134609 100644
--- a/sound/soc/sof/ops.h
+++ b/sound/soc/sof/ops.h
@@ -523,16 +523,6 @@ static inline int snd_sof_pcm_platform_ack(struct snd_sof_dev *sdev,
return 0;
}
-static inline u64 snd_sof_pcm_get_stream_position(struct snd_sof_dev *sdev,
- struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- if (sof_ops(sdev) && sof_ops(sdev)->get_stream_position)
- return sof_ops(sdev)->get_stream_position(sdev, component, substream);
-
- return 0;
-}
-
static inline u64
snd_sof_pcm_get_dai_frame_counter(struct snd_sof_dev *sdev,
struct snd_soc_component *component,
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index 91043f177dfa3..d3c436f826046 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -261,15 +261,6 @@ struct snd_sof_dsp_ops {
/* pcm ack */
int (*pcm_ack)(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream); /* optional */
- /*
- * optional callback to retrieve the link DMA position for the substream
- * when the position is not reported in the shared SRAM windows but
- * instead from a host-accessible hardware counter.
- */
- u64 (*get_stream_position)(struct snd_sof_dev *sdev,
- struct snd_soc_component *component,
- struct snd_pcm_substream *substream); /* optional */
-
/*
* optional callback to retrieve the number of frames left/arrived from/to
* the DSP on the DAI side (link/codec/DMIC/etc).
--
GitLab
From 31d2874d083ba6cc2a4f4b26dab73c3be1c92658 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:08 +0200
Subject: [PATCH 1537/2686] ASoC: SOF: ipc4-pcm: Move struct
sof_ipc4_timestamp_info definition locally
The sof_ipc4_timestamp_info is only used by ipc4-pcm.c internally, it
should not be in a generic header implying that it might be used elsewhere.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-12-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/ipc4-pcm.c | 14 ++++++++++++++
sound/soc/sof/ipc4-priv.h | 14 --------------
2 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/sound/soc/sof/ipc4-pcm.c b/sound/soc/sof/ipc4-pcm.c
index d0795f77cc153..2d7295221884f 100644
--- a/sound/soc/sof/ipc4-pcm.c
+++ b/sound/soc/sof/ipc4-pcm.c
@@ -15,6 +15,20 @@
#include "ipc4-topology.h"
#include "ipc4-fw-reg.h"
+/**
+ * struct sof_ipc4_timestamp_info - IPC4 timestamp info
+ * @host_copier: the host copier of the pcm stream
+ * @dai_copier: the dai copier of the pcm stream
+ * @stream_start_offset: reported by fw in memory window
+ * @llp_offset: llp offset in memory window
+ */
+struct sof_ipc4_timestamp_info {
+ struct sof_ipc4_copier *host_copier;
+ struct sof_ipc4_copier *dai_copier;
+ u64 stream_start_offset;
+ u32 llp_offset;
+};
+
static int sof_ipc4_set_multi_pipeline_state(struct snd_sof_dev *sdev, u32 state,
struct ipc4_pipeline_set_state_data *trigger_list)
{
diff --git a/sound/soc/sof/ipc4-priv.h b/sound/soc/sof/ipc4-priv.h
index f3b908b093f95..afed618a15f06 100644
--- a/sound/soc/sof/ipc4-priv.h
+++ b/sound/soc/sof/ipc4-priv.h
@@ -92,20 +92,6 @@ struct sof_ipc4_fw_data {
struct mutex pipeline_state_mutex; /* protect pipeline triggers, ref counts and states */
};
-/**
- * struct sof_ipc4_timestamp_info - IPC4 timestamp info
- * @host_copier: the host copier of the pcm stream
- * @dai_copier: the dai copier of the pcm stream
- * @stream_start_offset: reported by fw in memory window
- * @llp_offset: llp offset in memory window
- */
-struct sof_ipc4_timestamp_info {
- struct sof_ipc4_copier *host_copier;
- struct sof_ipc4_copier *dai_copier;
- u64 stream_start_offset;
- u32 llp_offset;
-};
-
extern const struct sof_ipc_fw_loader_ops ipc4_loader_ops;
extern const struct sof_ipc_tplg_ops ipc4_tplg_ops;
extern const struct sof_ipc_tplg_control_ops tplg_ipc4_control_ops;
--
GitLab
From 55ca6ca227bfc5a8d0a0c2c5d6e239777226a604 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:09 +0200
Subject: [PATCH 1538/2686] ASoC: SOF: ipc4-pcm: Combine the
SOF_IPC4_PIPE_PAUSED cases in pcm_trigger
The SNDRV_PCM_TRIGGER_PAUSE_PUSH does not need to be a separate case, it
can be handled along with STOP and SUSPEND
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-13-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/ipc4-pcm.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/sound/soc/sof/ipc4-pcm.c b/sound/soc/sof/ipc4-pcm.c
index 2d7295221884f..4e41b16d32054 100644
--- a/sound/soc/sof/ipc4-pcm.c
+++ b/sound/soc/sof/ipc4-pcm.c
@@ -478,14 +478,12 @@ static int sof_ipc4_pcm_trigger(struct snd_soc_component *component,
/* determine the pipeline state */
switch (cmd) {
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- state = SOF_IPC4_PIPE_PAUSED;
- break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_START:
state = SOF_IPC4_PIPE_RUNNING;
break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_STOP:
state = SOF_IPC4_PIPE_PAUSED;
--
GitLab
From 3ce3bc36d91510389955b47e36ea4c4e94fcbdd3 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:10 +0200
Subject: [PATCH 1539/2686] ASoC: SOF: ipc4-pcm: Invalidate the
stream_start_offset in PAUSED state
When the final state is SOF_IPC4_PIPE_PAUSED, it is possible that the
stream will be restarted (resume or start) in which case we need to update
the offset from the firmware.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-14-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/ipc4-pcm.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/ipc4-pcm.c b/sound/soc/sof/ipc4-pcm.c
index 4e41b16d32054..905dbc4852b1e 100644
--- a/sound/soc/sof/ipc4-pcm.c
+++ b/sound/soc/sof/ipc4-pcm.c
@@ -437,8 +437,19 @@ static int sof_ipc4_trigger_pipelines(struct snd_soc_component *component,
}
/* return if this is the final state */
- if (state == SOF_IPC4_PIPE_PAUSED)
+ if (state == SOF_IPC4_PIPE_PAUSED) {
+ struct sof_ipc4_timestamp_info *time_info;
+
+ /*
+ * Invalidate the stream_start_offset to make sure that it is
+ * going to be updated if the stream resumes
+ */
+ time_info = spcm->stream[substream->stream].private;
+ if (time_info)
+ time_info->stream_start_offset = SOF_IPC4_INVALID_STREAM_POSITION;
+
goto free;
+ }
skip_pause_transition:
/* else set the RUNNING/RESET state in the DSP */
ret = sof_ipc4_set_multi_pipeline_state(sdev, state, trigger_list);
--
GitLab
From 77165bd955d55114028b06787a530b8f9220e4b0 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:11 +0200
Subject: [PATCH 1540/2686] ASoC: SOF: sof-pcm: Add pointer callback to
sof_ipc_pcm_ops
The IPC specific pointer callback can be used when additional or custom
handling is needed during the pointer calculation, like executing a delay
calculation at the same time to minimize drift between the reported pointer
and the calculated delay.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-15-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/pcm.c | 8 ++++++++
sound/soc/sof/sof-audio.h | 8 +++++++-
2 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c
index 33d576b176478..f03cee94bce62 100644
--- a/sound/soc/sof/pcm.c
+++ b/sound/soc/sof/pcm.c
@@ -388,13 +388,21 @@ static snd_pcm_uframes_t sof_pcm_pointer(struct snd_soc_component *component,
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
+ const struct sof_ipc_pcm_ops *pcm_ops = sof_ipc_get_ops(sdev, pcm);
struct snd_sof_pcm *spcm;
snd_pcm_uframes_t host, dai;
+ int ret = -EOPNOTSUPP;
/* nothing to do for BE */
if (rtd->dai_link->no_pcm)
return 0;
+ if (pcm_ops && pcm_ops->pointer)
+ ret = pcm_ops->pointer(component, substream, &host);
+
+ if (ret != -EOPNOTSUPP)
+ return ret ? ret : host;
+
/* use dsp ops pointer callback directly if set */
if (sof_ops(sdev)->pcm_pointer)
return sof_ops(sdev)->pcm_pointer(sdev, substream);
diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h
index 04e5cb2c70a7c..86bbb531e142c 100644
--- a/sound/soc/sof/sof-audio.h
+++ b/sound/soc/sof/sof-audio.h
@@ -103,7 +103,10 @@ struct snd_sof_dai_config_data {
* additional memory in the SOF PCM stream structure
* @pcm_free: Function pointer for PCM free that can be used for freeing any
* additional memory in the SOF PCM stream structure
- * @delay: Function pointer for pcm delay calculation
+ * @pointer: Function pointer for pcm pointer
+ * Note: the @pointer callback may return -EOPNOTSUPP which should be
+ * handled in a same way as if the callback is not provided
+ * @delay: Function pointer for pcm delay reporting
* @reset_hw_params_during_stop: Flag indicating whether the hw_params should be reset during the
* STOP pcm trigger
* @ipc_first_on_start: Send IPC before invoking platform trigger during
@@ -124,6 +127,9 @@ struct sof_ipc_pcm_ops {
int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
int (*pcm_setup)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
void (*pcm_free)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
+ int (*pointer)(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
+ snd_pcm_uframes_t *pointer);
snd_pcm_sframes_t (*delay)(struct snd_soc_component *component,
struct snd_pcm_substream *substream);
bool reset_hw_params_during_stop;
--
GitLab
From 0ea06680dfcb4464ac6c05968433d060efb44345 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:12 +0200
Subject: [PATCH 1541/2686] ASoC: SOF: ipc4-pcm: Correct the delay calculation
This patch improves the delay calculation by relying on the
LLP (Linear Link Position) on the DAI side and the
LDP (Linear Data Pointer) on the host side. The LDP provides the same DMA
position as LPIB, but with a linear count instead of a position in the
ALSA ring buffer. The LDP values are provided in bytes and must be
converted to frames. The difference in units means that the host counter
will wrap earlier than the LLP. We need to wrap the LLP at the same
boundary as the host counter.
The ASoC framework relies on separate pointer and delay callback.
Measurement errors can be reduced by processing all the counter values in
the pointer callback. The delay value is stored, and will be reported to
higher levels in the delay callback.
For playback, the firmware provides a stream_start offset to handle
mixing/pause usages, where the DAI might have started earlier than the
PCM device. The delay calculation must be special-cased when the link
counter has not reached the start offset value, i.e. no valid audio has
left the DSP.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-16-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/ipc4-pcm.c | 159 +++++++++++++++++++++++++++++++--------
1 file changed, 127 insertions(+), 32 deletions(-)
diff --git a/sound/soc/sof/ipc4-pcm.c b/sound/soc/sof/ipc4-pcm.c
index 905dbc4852b1e..e915f9f87a6c3 100644
--- a/sound/soc/sof/ipc4-pcm.c
+++ b/sound/soc/sof/ipc4-pcm.c
@@ -19,14 +19,22 @@
* struct sof_ipc4_timestamp_info - IPC4 timestamp info
* @host_copier: the host copier of the pcm stream
* @dai_copier: the dai copier of the pcm stream
- * @stream_start_offset: reported by fw in memory window
+ * @stream_start_offset: reported by fw in memory window (converted to frames)
+ * @stream_end_offset: reported by fw in memory window (converted to frames)
* @llp_offset: llp offset in memory window
+ * @boundary: wrap boundary should be used for the LLP frame counter
+ * @delay: Calculated and stored in pointer callback. The stored value is
+ * returned in the delay callback.
*/
struct sof_ipc4_timestamp_info {
struct sof_ipc4_copier *host_copier;
struct sof_ipc4_copier *dai_copier;
u64 stream_start_offset;
+ u64 stream_end_offset;
u32 llp_offset;
+
+ u64 boundary;
+ snd_pcm_sframes_t delay;
};
static int sof_ipc4_set_multi_pipeline_state(struct snd_sof_dev *sdev, u32 state,
@@ -726,6 +734,10 @@ static int sof_ipc4_pcm_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm
if (abi_version < SOF_IPC4_FW_REGS_ABI_VER)
support_info = false;
+ /* For delay reporting the get_host_byte_counter callback is needed */
+ if (!sof_ops(sdev) || !sof_ops(sdev)->get_host_byte_counter)
+ support_info = false;
+
for_each_pcm_streams(stream) {
pipeline_list = &spcm->stream[stream].pipeline_list;
@@ -858,7 +870,6 @@ static int sof_ipc4_get_stream_start_offset(struct snd_sof_dev *sdev,
struct sof_ipc4_copier *host_copier = time_info->host_copier;
struct sof_ipc4_copier *dai_copier = time_info->dai_copier;
struct sof_ipc4_pipeline_registers ppl_reg;
- u64 stream_start_position;
u32 dai_sample_size;
u32 ch, node_index;
u32 offset;
@@ -875,38 +886,51 @@ static int sof_ipc4_get_stream_start_offset(struct snd_sof_dev *sdev,
if (ppl_reg.stream_start_offset == SOF_IPC4_INVALID_STREAM_POSITION)
return -EINVAL;
- stream_start_position = ppl_reg.stream_start_offset;
ch = dai_copier->data.out_format.fmt_cfg;
ch = SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT(ch);
dai_sample_size = (dai_copier->data.out_format.bit_depth >> 3) * ch;
- /* convert offset to sample count */
- do_div(stream_start_position, dai_sample_size);
- time_info->stream_start_offset = stream_start_position;
+
+ /* convert offsets to frame count */
+ time_info->stream_start_offset = ppl_reg.stream_start_offset;
+ do_div(time_info->stream_start_offset, dai_sample_size);
+ time_info->stream_end_offset = ppl_reg.stream_end_offset;
+ do_div(time_info->stream_end_offset, dai_sample_size);
+
+ /*
+ * Calculate the wrap boundary need to be used for delay calculation
+ * The host counter is in bytes, it will wrap earlier than the frames
+ * based link counter.
+ */
+ time_info->boundary = div64_u64(~((u64)0),
+ frames_to_bytes(substream->runtime, 1));
+ /* Initialize the delay value to 0 (no delay) */
+ time_info->delay = 0;
return 0;
}
-static snd_pcm_sframes_t sof_ipc4_pcm_delay(struct snd_soc_component *component,
- struct snd_pcm_substream *substream)
+static int sof_ipc4_pcm_pointer(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
+ snd_pcm_uframes_t *pointer)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct sof_ipc4_timestamp_info *time_info;
struct sof_ipc4_llp_reading_slot llp;
- snd_pcm_uframes_t head_ptr, tail_ptr;
+ snd_pcm_uframes_t head_cnt, tail_cnt;
struct snd_sof_pcm_stream *stream;
+ u64 dai_cnt, host_cnt, host_ptr;
struct snd_sof_pcm *spcm;
- u64 tmp_ptr;
int ret;
spcm = snd_sof_find_spcm_dai(component, rtd);
if (!spcm)
- return 0;
+ return -EOPNOTSUPP;
stream = &spcm->stream[substream->stream];
time_info = stream->private;
if (!time_info)
- return 0;
+ return -EOPNOTSUPP;
/*
* stream_start_offset is updated to memory window by FW based on
@@ -916,46 +940,116 @@ static snd_pcm_sframes_t sof_ipc4_pcm_delay(struct snd_soc_component *component,
if (time_info->stream_start_offset == SOF_IPC4_INVALID_STREAM_POSITION) {
ret = sof_ipc4_get_stream_start_offset(sdev, substream, stream, time_info);
if (ret < 0)
- return 0;
+ return -EOPNOTSUPP;
}
+ /* For delay calculation we need the host counter */
+ host_cnt = snd_sof_pcm_get_host_byte_counter(sdev, component, substream);
+ host_ptr = host_cnt;
+
+ /* convert the host_cnt to frames */
+ host_cnt = div64_u64(host_cnt, frames_to_bytes(substream->runtime, 1));
+
/*
* If the LLP counter is not reported by firmware in the SRAM window
- * then read the dai (link) position via host accessible means if
+ * then read the dai (link) counter via host accessible means if
* available.
*/
if (!time_info->llp_offset) {
- tmp_ptr = snd_sof_pcm_get_dai_frame_counter(sdev, component, substream);
- if (!tmp_ptr)
- return 0;
+ dai_cnt = snd_sof_pcm_get_dai_frame_counter(sdev, component, substream);
+ if (!dai_cnt)
+ return -EOPNOTSUPP;
} else {
sof_mailbox_read(sdev, time_info->llp_offset, &llp, sizeof(llp));
- tmp_ptr = ((u64)llp.reading.llp_u << 32) | llp.reading.llp_l;
+ dai_cnt = ((u64)llp.reading.llp_u << 32) | llp.reading.llp_l;
}
+ dai_cnt += time_info->stream_end_offset;
- /* In two cases dai dma position is not accurate
+ /* In two cases dai dma counter is not accurate
* (1) dai pipeline is started before host pipeline
- * (2) multiple streams mixed into one. Each stream has the same dai dma position
+ * (2) multiple streams mixed into one. Each stream has the same dai dma
+ * counter
+ *
+ * Firmware calculates correct stream_start_offset for all cases
+ * including above two.
+ * Driver subtracts stream_start_offset from dai dma counter to get
+ * accurate one
+ */
+
+ /*
+ * On stream start the dai counter might not yet have reached the
+ * stream_start_offset value which means that no frames have left the
+ * DSP yet from the audio stream (on playback, capture streams have
+ * offset of 0 as we start capturing right away).
+ * In this case we need to adjust the distance between the counters by
+ * increasing the host counter by (offset - dai_counter).
+ * Otherwise the dai_counter needs to be adjusted to reflect the number
+ * of valid frames passed on the DAI side.
*
- * Firmware calculates correct stream_start_offset for all cases including above two.
- * Driver subtracts stream_start_offset from dai dma position to get accurate one
+ * The delay is the difference between the counters on the two
+ * sides of the DSP.
*/
- tmp_ptr -= time_info->stream_start_offset;
+ if (dai_cnt < time_info->stream_start_offset) {
+ host_cnt += time_info->stream_start_offset - dai_cnt;
+ dai_cnt = 0;
+ } else {
+ dai_cnt -= time_info->stream_start_offset;
+ }
+
+ /* Wrap the dai counter at the boundary where the host counter wraps */
+ div64_u64_rem(dai_cnt, time_info->boundary, &dai_cnt);
- /* Calculate the delay taking into account that both pointer can wrap */
- div64_u64_rem(tmp_ptr, substream->runtime->boundary, &tmp_ptr);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- head_ptr = substream->runtime->status->hw_ptr;
- tail_ptr = tmp_ptr;
+ head_cnt = host_cnt;
+ tail_cnt = dai_cnt;
} else {
- head_ptr = tmp_ptr;
- tail_ptr = substream->runtime->status->hw_ptr;
+ head_cnt = dai_cnt;
+ tail_cnt = host_cnt;
+ }
+
+ if (head_cnt < tail_cnt) {
+ time_info->delay = time_info->boundary - tail_cnt + head_cnt;
+ goto out;
}
- if (head_ptr < tail_ptr)
- return substream->runtime->boundary - tail_ptr + head_ptr;
+ time_info->delay = head_cnt - tail_cnt;
+
+out:
+ /*
+ * Convert the host byte counter to PCM pointer which wraps in buffer
+ * and it is in frames
+ */
+ div64_u64_rem(host_ptr, snd_pcm_lib_buffer_bytes(substream), &host_ptr);
+ *pointer = bytes_to_frames(substream->runtime, host_ptr);
+
+ return 0;
+}
+
+static snd_pcm_sframes_t sof_ipc4_pcm_delay(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+ struct sof_ipc4_timestamp_info *time_info;
+ struct snd_sof_pcm_stream *stream;
+ struct snd_sof_pcm *spcm;
+
+ spcm = snd_sof_find_spcm_dai(component, rtd);
+ if (!spcm)
+ return 0;
+
+ stream = &spcm->stream[substream->stream];
+ time_info = stream->private;
+ /*
+ * Report the stored delay value calculated in the pointer callback.
+ * In the unlikely event that the calculation was skipped/aborted, the
+ * default 0 delay returned.
+ */
+ if (time_info)
+ return time_info->delay;
+
+ /* No delay information available, report 0 as delay */
+ return 0;
- return head_ptr - tail_ptr;
}
const struct sof_ipc_pcm_ops ipc4_pcm_ops = {
@@ -965,6 +1059,7 @@ const struct sof_ipc_pcm_ops ipc4_pcm_ops = {
.dai_link_fixup = sof_ipc4_pcm_dai_link_fixup,
.pcm_setup = sof_ipc4_pcm_setup,
.pcm_free = sof_ipc4_pcm_free,
+ .pointer = sof_ipc4_pcm_pointer,
.delay = sof_ipc4_pcm_delay,
.ipc_first_on_start = true,
.platform_stop_during_hw_free = true,
--
GitLab
From f9eeb6bb13fb5d7af1ea5b74a10b1f8ead962540 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:13 +0200
Subject: [PATCH 1542/2686] ALSA: hda: Add pplcllpl/u members to
hdac_ext_stream
The pplcllpl/u can be used to save the Link Connection Linear Link
Position register value to be used for compensation of the LLP register
value in case the counter is not reset (after pause/resume or
stop/start without closing the stream).
The LLP can be used along with PPHCLDP to calculate delay caused by the DSP
processing for HDA links.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-17-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
include/sound/hdaudio_ext.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h
index a8bebac1e4b28..957295364a5e3 100644
--- a/include/sound/hdaudio_ext.h
+++ b/include/sound/hdaudio_ext.h
@@ -56,6 +56,9 @@ struct hdac_ext_stream {
u32 pphcldpl;
u32 pphcldpu;
+ u32 pplcllpl;
+ u32 pplcllpu;
+
bool decoupled:1;
bool link_locked:1;
bool link_prepared;
--
GitLab
From 1abc2642588e06f6180b3fbb21968cf5d0ba9e5f Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Thu, 21 Mar 2024 15:08:14 +0200
Subject: [PATCH 1543/2686] ASoC: SOF: Intel: hda: Compensate LLP in case it is
not reset
During pause/reset or stop/start the LLP counter is not reset, which will
result broken delay reporting.
Read the LLP value on STOP/PAUSE trigger and use it in LLP reading to
normalize the LLP from the register.
Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240321130814.4412-18-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/intel/hda-dai-ops.c | 11 +++++++++++
sound/soc/sof/intel/hda-pcm.c | 8 ++++++++
sound/soc/sof/intel/hda-stream.c | 9 ++++++++-
3 files changed, 27 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/intel/hda-dai-ops.c b/sound/soc/sof/intel/hda-dai-ops.c
index c50ca9e72d373..b073720b4cf43 100644
--- a/sound/soc/sof/intel/hda-dai-ops.c
+++ b/sound/soc/sof/intel/hda-dai-ops.c
@@ -7,6 +7,7 @@
#include <sound/pcm_params.h>
#include <sound/hdaudio_ext.h>
+#include <sound/hda_register.h>
#include <sound/hda-mlink.h>
#include <sound/sof/ipc4/header.h>
#include <uapi/sound/sof/header.h>
@@ -362,6 +363,16 @@ static int hda_trigger(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai,
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
snd_hdac_ext_stream_clear(hext_stream);
+
+ /*
+ * Save the LLP registers in case the stream is
+ * restarting due PAUSE_RELEASE, or START without a pcm
+ * close/open since in this case the LLP register is not reset
+ * to 0 and the delay calculation will return with invalid
+ * results.
+ */
+ hext_stream->pplcllpl = readl(hext_stream->pplc_addr + AZX_REG_PPLCLLPL);
+ hext_stream->pplcllpu = readl(hext_stream->pplc_addr + AZX_REG_PPLCLLPU);
break;
default:
dev_err(sdev->dev, "unknown trigger command %d\n", cmd);
diff --git a/sound/soc/sof/intel/hda-pcm.c b/sound/soc/sof/intel/hda-pcm.c
index 69fefcd1abc5b..d7b446f3f973e 100644
--- a/sound/soc/sof/intel/hda-pcm.c
+++ b/sound/soc/sof/intel/hda-pcm.c
@@ -282,6 +282,14 @@ int hda_dsp_pcm_open(struct snd_sof_dev *sdev,
/* binding pcm substream to hda stream */
substream->runtime->private_data = &dsp_stream->hstream;
+
+ /*
+ * Reset the llp cache values (they are used for LLP compensation in
+ * case the counter is not reset)
+ */
+ dsp_stream->pplcllpl = 0;
+ dsp_stream->pplcllpu = 0;
+
return 0;
}
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c
index 8504a4f27b608..0c189d3b19c1a 100644
--- a/sound/soc/sof/intel/hda-stream.c
+++ b/sound/soc/sof/intel/hda-stream.c
@@ -1064,6 +1064,8 @@ snd_pcm_uframes_t hda_dsp_stream_get_position(struct hdac_stream *hstream,
return pos;
}
+#define merge_u64(u32_u, u32_l) (((u64)(u32_u) << 32) | (u32_l))
+
/**
* hda_dsp_get_stream_llp - Retrieve the LLP (Linear Link Position) of the stream
* @sdev: SOF device
@@ -1093,7 +1095,12 @@ u64 hda_dsp_get_stream_llp(struct snd_sof_dev *sdev,
llp_l = readl(hext_stream->pplc_addr + AZX_REG_PPLCLLPL);
llp_u = readl(hext_stream->pplc_addr + AZX_REG_PPLCLLPU);
- return ((u64)llp_u << 32) | llp_l;
+ /* Compensate the LLP counter with the saved offset */
+ if (hext_stream->pplcllpl || hext_stream->pplcllpu)
+ return merge_u64(llp_u, llp_l) -
+ merge_u64(hext_stream->pplcllpu, hext_stream->pplcllpl);
+
+ return merge_u64(llp_u, llp_l);
}
/**
--
GitLab
From c61115b37ff964d63191dbf4a058f481daabdf57 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Fri, 22 Mar 2024 13:25:04 +0200
Subject: [PATCH 1544/2686] ASoC: SOF: Intel: hda-dsp: Skip IMR boot on ACE
platforms in case of S3 suspend
SoCs with ACE architecture are tailored to use s2idle instead deep (S3)
suspend state and the IMR content is lost when the system is forced to
enter even to S3.
When waking up from S3 state the IMR boot will fail as the content is lost.
Set the skip_imr_boot flag to make sure that we don't try IMR in this case.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://msgid.link/r/20240322112504.4192-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/intel/hda-dsp.c | 20 +++++++++++++++-----
1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/sound/soc/sof/intel/hda-dsp.c b/sound/soc/sof/intel/hda-dsp.c
index 31ffa1a8f2ac0..ef5c915db8ffb 100644
--- a/sound/soc/sof/intel/hda-dsp.c
+++ b/sound/soc/sof/intel/hda-dsp.c
@@ -681,17 +681,27 @@ static int hda_suspend(struct snd_sof_dev *sdev, bool runtime_suspend)
struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
const struct sof_intel_dsp_desc *chip = hda->desc;
struct hdac_bus *bus = sof_to_bus(sdev);
+ bool imr_lost = false;
int ret, j;
/*
- * The memory used for IMR boot loses its content in deeper than S3 state
- * We must not try IMR boot on next power up (as it will fail).
- *
+ * The memory used for IMR boot loses its content in deeper than S3
+ * state on CAVS platforms.
+ * On ACE platforms due to the system architecture the IMR content is
+ * lost at S3 state already, they are tailored for s2idle use.
+ * We must not try IMR boot on next power up in these cases as it will
+ * fail.
+ */
+ if (sdev->system_suspend_target > SOF_SUSPEND_S3 ||
+ (chip->hw_ip_version >= SOF_INTEL_ACE_1_0 &&
+ sdev->system_suspend_target == SOF_SUSPEND_S3))
+ imr_lost = true;
+
+ /*
* In case of firmware crash or boot failure set the skip_imr_boot to true
* as well in order to try to re-load the firmware to do a 'cold' boot.
*/
- if (sdev->system_suspend_target > SOF_SUSPEND_S3 ||
- sdev->fw_state == SOF_FW_CRASHED ||
+ if (imr_lost || sdev->fw_state == SOF_FW_CRASHED ||
sdev->fw_state == SOF_FW_BOOT_FAILED)
hda->skip_imr_boot = true;
--
GitLab
From e2d7ad717a6b0880843dbc60855a5b97ad0395f8 Mon Sep 17 00:00:00 2001
From: Simon Trimmer <simont@opensource.cirrus.com>
Date: Mon, 25 Mar 2024 14:44:50 +0000
Subject: [PATCH 1545/2686] ASoC: cs-amp-lib: Check for no firmware controls
when writing calibration
When a wmfw file has not been loaded the firmware control descriptions
necessary to write a stored calibration are not present. In this case
print a more descriptive error message.
The message is logged at info level because it is not fatal, and does
not necessarily imply that anything is broken.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://msgid.link/r/20240325144450.293630-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/cs-amp-lib.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/sound/soc/codecs/cs-amp-lib.c b/sound/soc/codecs/cs-amp-lib.c
index 01ef4db5407da..287ac01a38735 100644
--- a/sound/soc/codecs/cs-amp-lib.c
+++ b/sound/soc/codecs/cs-amp-lib.c
@@ -56,6 +56,11 @@ static int _cs_amp_write_cal_coeffs(struct cs_dsp *dsp,
dev_dbg(dsp->dev, "Calibration: Ambient=%#x, Status=%#x, CalR=%d\n",
data->calAmbient, data->calStatus, data->calR);
+ if (list_empty(&dsp->ctl_list)) {
+ dev_info(dsp->dev, "Calibration disabled due to missing firmware controls\n");
+ return -ENOENT;
+ }
+
ret = cs_amp_write_cal_coeff(dsp, controls, controls->ambient, data->calAmbient);
if (ret)
return ret;
--
GitLab
From 708181c50b7763c689ecaba5db8075c2d03719c4 Mon Sep 17 00:00:00 2001
From: Rander Wang <rander.wang@intel.com>
Date: Fri, 22 Mar 2024 13:27:03 +0200
Subject: [PATCH 1546/2686] ASoC: SOF: mtrace: rework mtrace timestamp setting
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The original timestamp is built base on windows epoch time which is not
fit for Linux system and difficult to be used for kernel debugging. This
patch adopts syslog timestamp so that we can simply use dmesg to check
the timestamp between fw and kernel.
Signed-off-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://msgid.link/r/20240322112703.4549-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/ipc4-mtrace.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/sound/soc/sof/ipc4-mtrace.c b/sound/soc/sof/ipc4-mtrace.c
index 9f1e33ee88261..0e04bea9432dd 100644
--- a/sound/soc/sof/ipc4-mtrace.c
+++ b/sound/soc/sof/ipc4-mtrace.c
@@ -4,6 +4,7 @@
#include <linux/debugfs.h>
#include <linux/sched/signal.h>
+#include <linux/sched/clock.h>
#include <sound/sof/ipc4/header.h>
#include "sof-priv.h"
#include "ipc4-priv.h"
@@ -412,7 +413,6 @@ static int ipc4_mtrace_enable(struct snd_sof_dev *sdev)
const struct sof_ipc_ops *iops = sdev->ipc->ops;
struct sof_ipc4_msg msg;
u64 system_time;
- ktime_t kt;
int ret;
if (priv->mtrace_state != SOF_MTRACE_DISABLED)
@@ -424,9 +424,12 @@ static int ipc4_mtrace_enable(struct snd_sof_dev *sdev)
msg.primary |= SOF_IPC4_MOD_INSTANCE(SOF_IPC4_MOD_INIT_BASEFW_INSTANCE_ID);
msg.extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_FW_PARAM_SYSTEM_TIME);
- /* The system time is in usec, UTC, epoch is 1601-01-01 00:00:00 */
- kt = ktime_add_us(ktime_get_real(), FW_EPOCH_DELTA * USEC_PER_SEC);
- system_time = ktime_to_us(kt);
+ /*
+ * local_clock() is used to align with dmesg, so both kernel and firmware logs have
+ * the same base and a minor delta due to the IPC. system time is in us format but
+ * local_clock() returns the time in ns, so convert to ns.
+ */
+ system_time = div64_u64(local_clock(), NSEC_PER_USEC);
msg.data_size = sizeof(system_time);
msg.data_ptr = &system_time;
ret = iops->set_get_data(sdev, &msg, msg.data_size, true);
--
GitLab
From dbde9fd49aafc9a09480db2a827159b109042e1a Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 25 Mar 2024 17:43:32 +0100
Subject: [PATCH 1547/2686] kunit: fix wireless test dependencies
For the wireless tests, CONFIG_WLAN and CONFIG_NETDEVICES are
needed, though seem to be available by default on ARCH=um, so
we didn't notice this before. Add them to fix kunit running
on other architectures.
Fixes: 28b3df1fe6ba ("kunit: add wireless unit tests")
Reported-by: Mark Brown <broonie@kernel.org>
Closes: https://lore.kernel.org/r/b743a5ec-3d07-4747-85e0-2fb2ef69db7c@sirena.org.uk/
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
tools/testing/kunit/configs/all_tests.config | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/testing/kunit/configs/all_tests.config b/tools/testing/kunit/configs/all_tests.config
index a6cf69a665e84..76d049cdfca1f 100644
--- a/tools/testing/kunit/configs/all_tests.config
+++ b/tools/testing/kunit/configs/all_tests.config
@@ -28,6 +28,8 @@ CONFIG_MCTP_FLOWS=y
CONFIG_INET=y
CONFIG_MPTCP=y
+CONFIG_NETDEVICES=y
+CONFIG_WLAN=y
CONFIG_CFG80211=y
CONFIG_MAC80211=y
CONFIG_WLAN_VENDOR_INTEL=y
--
GitLab
From 817b18965b58a6e5fb6ce97abf01b03a205a6aea Mon Sep 17 00:00:00 2001
From: Steven Zou <steven.zou@intel.com>
Date: Wed, 7 Feb 2024 09:49:59 +0800
Subject: [PATCH 1548/2686] ice: Refactor FW data type and fix bitmap casting
issue
According to the datasheet, the recipe association data is an 8-byte
little-endian value. It is described as 'Bitmap of the recipe indexes
associated with this profile', it is from 24 to 31 byte area in FW.
Therefore, it is defined to '__le64 recipe_assoc' in struct
ice_aqc_recipe_to_profile. And then fix the bitmap casting issue, as we
must never ever use castings for bitmap type.
Fixes: 1e0f9881ef79 ("ice: Flesh out implementation of support for SRIOV on bonded interface")
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Andrii Staikov <andrii.staikov@intel.com>
Reviewed-by: Jan Sokolowski <jan.sokolowski@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Steven Zou <steven.zou@intel.com>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
.../net/ethernet/intel/ice/ice_adminq_cmd.h | 3 ++-
drivers/net/ethernet/intel/ice/ice_lag.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_switch.c | 24 +++++++++++--------
drivers/net/ethernet/intel/ice/ice_switch.h | 4 ++--
4 files changed, 20 insertions(+), 15 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
index 8040317c95617..1f3e7a6903e56 100644
--- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
+++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
@@ -593,8 +593,9 @@ struct ice_aqc_recipe_data_elem {
struct ice_aqc_recipe_to_profile {
__le16 profile_id;
u8 rsvd[6];
- DECLARE_BITMAP(recipe_assoc, ICE_MAX_NUM_RECIPES);
+ __le64 recipe_assoc;
};
+static_assert(sizeof(struct ice_aqc_recipe_to_profile) == 16);
/* Add/Update/Remove/Get switch rules (indirect 0x02A0, 0x02A1, 0x02A2, 0x02A3)
*/
diff --git a/drivers/net/ethernet/intel/ice/ice_lag.c b/drivers/net/ethernet/intel/ice/ice_lag.c
index 467372d541d21..a7a342809935f 100644
--- a/drivers/net/ethernet/intel/ice/ice_lag.c
+++ b/drivers/net/ethernet/intel/ice/ice_lag.c
@@ -2041,7 +2041,7 @@ int ice_init_lag(struct ice_pf *pf)
/* associate recipes to profiles */
for (n = 0; n < ICE_PROFID_IPV6_GTPU_IPV6_TCP_INNER; n++) {
err = ice_aq_get_recipe_to_profile(&pf->hw, n,
- (u8 *)&recipe_bits, NULL);
+ &recipe_bits, NULL);
if (err)
continue;
@@ -2049,7 +2049,7 @@ int ice_init_lag(struct ice_pf *pf)
recipe_bits |= BIT(lag->pf_recipe) |
BIT(lag->lport_recipe);
ice_aq_map_recipe_to_profile(&pf->hw, n,
- (u8 *)&recipe_bits, NULL);
+ recipe_bits, NULL);
}
}
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c
index f84bab80ca423..ba0ef91e4c19c 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -2025,12 +2025,12 @@ ice_update_recipe_lkup_idx(struct ice_hw *hw,
* ice_aq_map_recipe_to_profile - Map recipe to packet profile
* @hw: pointer to the HW struct
* @profile_id: package profile ID to associate the recipe with
- * @r_bitmap: Recipe bitmap filled in and need to be returned as response
+ * @r_assoc: Recipe bitmap filled in and need to be returned as response
* @cd: pointer to command details structure or NULL
* Recipe to profile association (0x0291)
*/
int
-ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
+ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 r_assoc,
struct ice_sq_cd *cd)
{
struct ice_aqc_recipe_to_profile *cmd;
@@ -2042,7 +2042,7 @@ ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
/* Set the recipe ID bit in the bitmask to let the device know which
* profile we are associating the recipe to
*/
- memcpy(cmd->recipe_assoc, r_bitmap, sizeof(cmd->recipe_assoc));
+ cmd->recipe_assoc = cpu_to_le64(r_assoc);
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
@@ -2051,12 +2051,12 @@ ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
* ice_aq_get_recipe_to_profile - Map recipe to packet profile
* @hw: pointer to the HW struct
* @profile_id: package profile ID to associate the recipe with
- * @r_bitmap: Recipe bitmap filled in and need to be returned as response
+ * @r_assoc: Recipe bitmap filled in and need to be returned as response
* @cd: pointer to command details structure or NULL
* Associate profile ID with given recipe (0x0293)
*/
int
-ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
+ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 *r_assoc,
struct ice_sq_cd *cd)
{
struct ice_aqc_recipe_to_profile *cmd;
@@ -2069,7 +2069,7 @@ ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
if (!status)
- memcpy(r_bitmap, cmd->recipe_assoc, sizeof(cmd->recipe_assoc));
+ *r_assoc = le64_to_cpu(cmd->recipe_assoc);
return status;
}
@@ -2108,6 +2108,7 @@ int ice_alloc_recipe(struct ice_hw *hw, u16 *rid)
static void ice_get_recp_to_prof_map(struct ice_hw *hw)
{
DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
+ u64 recp_assoc;
u16 i;
for (i = 0; i < hw->switch_info->max_used_prof_index + 1; i++) {
@@ -2115,8 +2116,9 @@ static void ice_get_recp_to_prof_map(struct ice_hw *hw)
bitmap_zero(profile_to_recipe[i], ICE_MAX_NUM_RECIPES);
bitmap_zero(r_bitmap, ICE_MAX_NUM_RECIPES);
- if (ice_aq_get_recipe_to_profile(hw, i, (u8 *)r_bitmap, NULL))
+ if (ice_aq_get_recipe_to_profile(hw, i, &recp_assoc, NULL))
continue;
+ bitmap_from_arr64(r_bitmap, &recp_assoc, ICE_MAX_NUM_RECIPES);
bitmap_copy(profile_to_recipe[i], r_bitmap,
ICE_MAX_NUM_RECIPES);
for_each_set_bit(j, r_bitmap, ICE_MAX_NUM_RECIPES)
@@ -5390,22 +5392,24 @@ ice_add_adv_recipe(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
*/
list_for_each_entry(fvit, &rm->fv_list, list_entry) {
DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
+ u64 recp_assoc;
u16 j;
status = ice_aq_get_recipe_to_profile(hw, fvit->profile_id,
- (u8 *)r_bitmap, NULL);
+ &recp_assoc, NULL);
if (status)
goto err_unroll;
+ bitmap_from_arr64(r_bitmap, &recp_assoc, ICE_MAX_NUM_RECIPES);
bitmap_or(r_bitmap, r_bitmap, rm->r_bitmap,
ICE_MAX_NUM_RECIPES);
status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
if (status)
goto err_unroll;
+ bitmap_to_arr64(&recp_assoc, r_bitmap, ICE_MAX_NUM_RECIPES);
status = ice_aq_map_recipe_to_profile(hw, fvit->profile_id,
- (u8 *)r_bitmap,
- NULL);
+ recp_assoc, NULL);
ice_release_change_lock(hw);
if (status)
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.h b/drivers/net/ethernet/intel/ice/ice_switch.h
index db7e501b7e0a4..89ffa1b51b5ad 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.h
+++ b/drivers/net/ethernet/intel/ice/ice_switch.h
@@ -424,10 +424,10 @@ int ice_aq_add_recipe(struct ice_hw *hw,
struct ice_aqc_recipe_data_elem *s_recipe_list,
u16 num_recipes, struct ice_sq_cd *cd);
int
-ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
+ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 *r_assoc,
struct ice_sq_cd *cd);
int
-ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
+ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 r_assoc,
struct ice_sq_cd *cd);
#endif /* _ICE_SWITCH_H_ */
--
GitLab
From 1cb7fdb1dfde1aab66780b4ba44dba6402172111 Mon Sep 17 00:00:00 2001
From: Jesse Brandeburg <jesse.brandeburg@intel.com>
Date: Tue, 5 Mar 2024 15:02:03 -0800
Subject: [PATCH 1549/2686] ice: fix memory corruption bug with suspend and
rebuild
The ice driver would previously panic after suspend. This is caused
from the driver *only* calling the ice_vsi_free_q_vectors() function by
itself, when it is suspending. Since commit b3e7b3a6ee92 ("ice: prevent
NULL pointer deref during reload") the driver has zeroed out
num_q_vectors, and only restored it in ice_vsi_cfg_def().
This further causes the ice_rebuild() function to allocate a zero length
buffer, after which num_q_vectors is updated, and then the new value of
num_q_vectors is used to index into the zero length buffer, which
corrupts memory.
The fix entails making sure all the code referencing num_q_vectors only
does so after it has been reset via ice_vsi_cfg_def().
I didn't perform a full bisect, but I was able to test against 6.1.77
kernel and that ice driver works fine for suspend/resume with no panic,
so sometime since then, this problem was introduced.
Also clean up an un-needed init of a local variable in the function
being modified.
PANIC from 6.8.0-rc1:
[1026674.915596] PM: suspend exit
[1026675.664697] ice 0000:17:00.1: PTP reset successful
[1026675.664707] ice 0000:17:00.1: 2755 msecs passed between update to cached PHC time
[1026675.667660] ice 0000:b1:00.0: PTP reset successful
[1026675.675944] ice 0000:b1:00.0: 2832 msecs passed between update to cached PHC time
[1026677.137733] ixgbe 0000:31:00.0 ens787: NIC Link is Up 1 Gbps, Flow Control: None
[1026677.190201] BUG: kernel NULL pointer dereference, address: 0000000000000010
[1026677.192753] ice 0000:17:00.0: PTP reset successful
[1026677.192764] ice 0000:17:00.0: 4548 msecs passed between update to cached PHC time
[1026677.197928] #PF: supervisor read access in kernel mode
[1026677.197933] #PF: error_code(0x0000) - not-present page
[1026677.197937] PGD 1557a7067 P4D 0
[1026677.212133] ice 0000:b1:00.1: PTP reset successful
[1026677.212143] ice 0000:b1:00.1: 4344 msecs passed between update to cached PHC time
[1026677.212575]
[1026677.243142] Oops: 0000 [#1] PREEMPT SMP NOPTI
[1026677.247918] CPU: 23 PID: 42790 Comm: kworker/23:0 Kdump: loaded Tainted: G W 6.8.0-rc1+ #1
[1026677.257989] Hardware name: Intel Corporation M50CYP2SBSTD/M50CYP2SBSTD, BIOS SE5C620.86B.01.01.0005.2202160810 02/16/2022
[1026677.269367] Workqueue: ice ice_service_task [ice]
[1026677.274592] RIP: 0010:ice_vsi_rebuild_set_coalesce+0x130/0x1e0 [ice]
[1026677.281421] Code: 0f 84 3a ff ff ff 41 0f b7 74 ec 02 66 89 b0 22 02 00 00 81 e6 ff 1f 00 00 e8 ec fd ff ff e9 35 ff ff ff 48 8b 43 30 49 63 ed <41> 0f b7 34 24 41 83 c5 01 48 8b 3c e8 66 89 b7 aa 02 00 00 81 e6
[1026677.300877] RSP: 0018:ff3be62a6399bcc0 EFLAGS: 00010202
[1026677.306556] RAX: ff28691e28980828 RBX: ff28691e41099828 RCX: 0000000000188000
[1026677.314148] RDX: 0000000000000000 RSI: 0000000000000010 RDI: ff28691e41099828
[1026677.321730] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[1026677.329311] R10: 0000000000000007 R11: ffffffffffffffc0 R12: 0000000000000010
[1026677.336896] R13: 0000000000000000 R14: 0000000000000000 R15: ff28691e0eaa81a0
[1026677.344472] FS: 0000000000000000(0000) GS:ff28693cbffc0000(0000) knlGS:0000000000000000
[1026677.353000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1026677.359195] CR2: 0000000000000010 CR3: 0000000128df4001 CR4: 0000000000771ef0
[1026677.366779] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[1026677.374369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[1026677.381952] PKRU: 55555554
[1026677.385116] Call Trace:
[1026677.388023] <TASK>
[1026677.390589] ? __die+0x20/0x70
[1026677.394105] ? page_fault_oops+0x82/0x160
[1026677.398576] ? do_user_addr_fault+0x65/0x6a0
[1026677.403307] ? exc_page_fault+0x6a/0x150
[1026677.407694] ? asm_exc_page_fault+0x22/0x30
[1026677.412349] ? ice_vsi_rebuild_set_coalesce+0x130/0x1e0 [ice]
[1026677.418614] ice_vsi_rebuild+0x34b/0x3c0 [ice]
[1026677.423583] ice_vsi_rebuild_by_type+0x76/0x180 [ice]
[1026677.429147] ice_rebuild+0x18b/0x520 [ice]
[1026677.433746] ? delay_tsc+0x8f/0xc0
[1026677.437630] ice_do_reset+0xa3/0x190 [ice]
[1026677.442231] ice_service_task+0x26/0x440 [ice]
[1026677.447180] process_one_work+0x174/0x340
[1026677.451669] worker_thread+0x27e/0x390
[1026677.455890] ? __pfx_worker_thread+0x10/0x10
[1026677.460627] kthread+0xee/0x120
[1026677.464235] ? __pfx_kthread+0x10/0x10
[1026677.468445] ret_from_fork+0x2d/0x50
[1026677.472476] ? __pfx_kthread+0x10/0x10
[1026677.476671] ret_from_fork_asm+0x1b/0x30
[1026677.481050] </TASK>
Fixes: b3e7b3a6ee92 ("ice: prevent NULL pointer deref during reload")
Reported-by: Robert Elliott <elliott@hpe.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
drivers/net/ethernet/intel/ice/ice_lib.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index ee3f0d3e3f6db..558422120312b 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -3091,7 +3091,7 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, u32 vsi_flags)
{
struct ice_vsi_cfg_params params = {};
struct ice_coalesce_stored *coalesce;
- int prev_num_q_vectors = 0;
+ int prev_num_q_vectors;
struct ice_pf *pf;
int ret;
@@ -3105,13 +3105,6 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, u32 vsi_flags)
if (WARN_ON(vsi->type == ICE_VSI_VF && !vsi->vf))
return -EINVAL;
- coalesce = kcalloc(vsi->num_q_vectors,
- sizeof(struct ice_coalesce_stored), GFP_KERNEL);
- if (!coalesce)
- return -ENOMEM;
-
- prev_num_q_vectors = ice_vsi_rebuild_get_coalesce(vsi, coalesce);
-
ret = ice_vsi_realloc_stat_arrays(vsi);
if (ret)
goto err_vsi_cfg;
@@ -3121,6 +3114,13 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, u32 vsi_flags)
if (ret)
goto err_vsi_cfg;
+ coalesce = kcalloc(vsi->num_q_vectors,
+ sizeof(struct ice_coalesce_stored), GFP_KERNEL);
+ if (!coalesce)
+ return -ENOMEM;
+
+ prev_num_q_vectors = ice_vsi_rebuild_get_coalesce(vsi, coalesce);
+
ret = ice_vsi_cfg_tc_lan(pf, vsi);
if (ret) {
if (vsi_flags & ICE_VSI_FLAG_INIT) {
@@ -3139,8 +3139,8 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, u32 vsi_flags)
err_vsi_cfg_tc_lan:
ice_vsi_decfg(vsi);
-err_vsi_cfg:
kfree(coalesce);
+err_vsi_cfg:
return ret;
}
--
GitLab
From aec806fb4afba5fe80b09e29351379a4292baa43 Mon Sep 17 00:00:00 2001
From: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Date: Tue, 5 Mar 2024 17:02:02 +0100
Subject: [PATCH 1550/2686] ixgbe: avoid sleeping allocation in
ixgbe_ipsec_vf_add_sa()
Change kzalloc() flags used in ixgbe_ipsec_vf_add_sa() to GFP_ATOMIC, to
avoid sleeping in IRQ context.
Dan Carpenter, with the help of Smatch, has found following issue:
The patch eda0333ac293: "ixgbe: add VF IPsec management" from Aug 13,
2018 (linux-next), leads to the following Smatch static checker
warning: drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c:917 ixgbe_ipsec_vf_add_sa()
warn: sleeping in IRQ context
The call tree that Smatch is worried about is:
ixgbe_msix_other() <- IRQ handler
-> ixgbe_msg_task()
-> ixgbe_rcv_msg_from_vf()
-> ixgbe_ipsec_vf_add_sa()
Fixes: eda0333ac293 ("ixgbe: add VF IPsec management")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/intel-wired-lan/db31a0b0-4d9f-4e6b-aed8-88266eb5665c@moroto.mountain
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
index 13a6fca31004a..866024f2b9eeb 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
@@ -914,7 +914,13 @@ int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
goto err_out;
}
- xs = kzalloc(sizeof(*xs), GFP_KERNEL);
+ algo = xfrm_aead_get_byname(aes_gcm_name, IXGBE_IPSEC_AUTH_BITS, 1);
+ if (unlikely(!algo)) {
+ err = -ENOENT;
+ goto err_out;
+ }
+
+ xs = kzalloc(sizeof(*xs), GFP_ATOMIC);
if (unlikely(!xs)) {
err = -ENOMEM;
goto err_out;
@@ -930,14 +936,8 @@ int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
memcpy(&xs->id.daddr.a4, sam->addr, sizeof(xs->id.daddr.a4));
xs->xso.dev = adapter->netdev;
- algo = xfrm_aead_get_byname(aes_gcm_name, IXGBE_IPSEC_AUTH_BITS, 1);
- if (unlikely(!algo)) {
- err = -ENOENT;
- goto err_xs;
- }
-
aead_len = sizeof(*xs->aead) + IXGBE_IPSEC_KEY_BITS / 8;
- xs->aead = kzalloc(aead_len, GFP_KERNEL);
+ xs->aead = kzalloc(aead_len, GFP_ATOMIC);
if (unlikely(!xs->aead)) {
err = -ENOMEM;
goto err_xs;
--
GitLab
From 47ce2956c7a61ff354723e28235205fa2012265b Mon Sep 17 00:00:00 2001
From: Kurt Kanzenbach <kurt@linutronix.de>
Date: Wed, 13 Mar 2024 14:03:10 +0100
Subject: [PATCH 1551/2686] igc: Remove stale comment about Tx timestamping
The initial igc Tx timestamping implementation used only one register for
retrieving Tx timestamps. Commit 3ed247e78911 ("igc: Add support for
multiple in-flight TX timestamps") added support for utilizing all four of
them e.g., for multiple domain support. Remove the stale comment/FIXME.
Fixes: 3ed247e78911 ("igc: Add support for multiple in-flight TX timestamps")
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
drivers/net/ethernet/intel/igc/igc_main.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 2e1cfbd82f4fd..35ad40a803cb6 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -1642,10 +1642,6 @@ static netdev_tx_t igc_xmit_frame_ring(struct sk_buff *skb,
if (unlikely(test_bit(IGC_RING_FLAG_TX_HWTSTAMP, &tx_ring->flags) &&
skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) {
- /* FIXME: add support for retrieving timestamps from
- * the other timer registers before skipping the
- * timestamping request.
- */
unsigned long flags;
u32 tstamp_flags;
--
GitLab
From 4b0e527c9970a15ac9ec8fc44af957725b854c29 Mon Sep 17 00:00:00 2001
From: Yazen Ghannam <yazen.ghannam@amd.com>
Date: Tue, 19 Mar 2024 06:33:21 -0500
Subject: [PATCH 1552/2686] RAS/AMD/FMPM: Avoid NULL ptr deref in
get_saved_records()
An old, invalid record should be cleared and skipped.
Currently, the record is cleared in ERST, but it is not skipped. This
leads to a NULL pointer dereference when attempting to copy the old
record to the new record.
Continue the loop after clearing an old, invalid record to skip it.
Fixes: 6f15e617cc99 ("RAS: Introduce a FRU memory poison manager")
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Muralidhara M K <muralidhara.mk@amd.com>
Link: https://lore.kernel.org/r/20240319113322.280096-2-yazen.ghannam@amd.com
---
drivers/ras/amd/fmpm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/ras/amd/fmpm.c b/drivers/ras/amd/fmpm.c
index 2f4ac9591c8f5..9d25195b45384 100644
--- a/drivers/ras/amd/fmpm.c
+++ b/drivers/ras/amd/fmpm.c
@@ -676,8 +676,10 @@ static int get_saved_records(void)
}
new = get_valid_record(old);
- if (!new)
+ if (!new) {
erst_clear(record_id);
+ continue;
+ }
/* Restore the record */
memcpy(new, old, len);
--
GitLab
From 9b195439e0c54b9b9b55b2d68706b48739911519 Mon Sep 17 00:00:00 2001
From: Yazen Ghannam <yazen.ghannam@amd.com>
Date: Tue, 19 Mar 2024 06:33:22 -0500
Subject: [PATCH 1553/2686] RAS/AMD/FMPM: Safely handle saved records of
various sizes
Currently, the size of the locally cached FRU record structures is
based on the module parameter "max_nr_entries".
This creates issues when restoring records if a user changes the
parameter.
If the number of entries is reduced, then old, larger records will not
be restored. The opportunity to take action on the saved data is missed.
Also, new records will be created and written to storage, even as the old
records remain in storage, resulting in wasted space.
If the number of entries is increased, then the length of the old,
smaller records will not be adjusted. This causes a checksum failure
which leads to the old record being cleared from storage. Again this
results in another missed opportunity for action on the saved data.
Allocate the temporary record with the maximum possible size based on
the current maximum number of supported entries (255). This allows the
ERST read operation to succeed if max_nr_entries has been increased.
Warn the user if a saved record exceeds the expected size and fail to
load the module. This allows the user to adjust the module parameter
without losing data or the opportunity to restore larger records.
Increase the size of a saved record up to the current max_rec_len. The
checksum will be recalculated, and the updated record will be written to
storage.
Fixes: 6f15e617cc99 ("RAS: Introduce a FRU memory poison manager")
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Muralidhara M K <muralidhara.mk@amd.com>
Link: https://lore.kernel.org/r/20240319113322.280096-3-yazen.ghannam@amd.com
---
drivers/ras/amd/fmpm.c | 55 ++++++++++++++++++++++++++++--------------
1 file changed, 37 insertions(+), 18 deletions(-)
diff --git a/drivers/ras/amd/fmpm.c b/drivers/ras/amd/fmpm.c
index 9d25195b45384..271dfad05d683 100644
--- a/drivers/ras/amd/fmpm.c
+++ b/drivers/ras/amd/fmpm.c
@@ -150,6 +150,8 @@ static unsigned int max_nr_fru;
/* Total length of record including headers and list of descriptor entries. */
static size_t max_rec_len;
+#define FMPM_MAX_REC_LEN (sizeof(struct fru_rec) + (sizeof(struct cper_fru_poison_desc) * 255))
+
/* Total number of SPA entries across all FRUs. */
static unsigned int spa_nr_entries;
@@ -475,6 +477,16 @@ static void set_rec_fields(struct fru_rec *rec)
struct cper_section_descriptor *sec_desc = &rec->sec_desc;
struct cper_record_header *hdr = &rec->hdr;
+ /*
+ * This is a saved record created with fewer max_nr_entries.
+ * Update the record lengths and keep everything else as-is.
+ */
+ if (hdr->record_length && hdr->record_length < max_rec_len) {
+ pr_debug("Growing record 0x%016llx from %u to %zu bytes\n",
+ hdr->record_id, hdr->record_length, max_rec_len);
+ goto update_lengths;
+ }
+
memcpy(hdr->signature, CPER_SIG_RECORD, CPER_SIG_SIZE);
hdr->revision = CPER_RECORD_REV;
hdr->signature_end = CPER_SIG_END;
@@ -489,19 +501,21 @@ static void set_rec_fields(struct fru_rec *rec)
hdr->error_severity = CPER_SEV_RECOVERABLE;
hdr->validation_bits = 0;
- hdr->record_length = max_rec_len;
hdr->creator_id = CPER_CREATOR_FMP;
hdr->notification_type = CPER_NOTIFY_MCE;
hdr->record_id = cper_next_record_id();
hdr->flags = CPER_HW_ERROR_FLAGS_PREVERR;
sec_desc->section_offset = sizeof(struct cper_record_header);
- sec_desc->section_length = max_rec_len - sizeof(struct cper_record_header);
sec_desc->revision = CPER_SEC_REV;
sec_desc->validation_bits = 0;
sec_desc->flags = CPER_SEC_PRIMARY;
sec_desc->section_type = CPER_SECTION_TYPE_FMP;
sec_desc->section_severity = CPER_SEV_RECOVERABLE;
+
+update_lengths:
+ hdr->record_length = max_rec_len;
+ sec_desc->section_length = max_rec_len - sizeof(struct cper_record_header);
}
static int save_new_records(void)
@@ -512,16 +526,18 @@ static int save_new_records(void)
int ret = 0;
for_each_fru(i, rec) {
- if (rec->hdr.record_length)
+ /* No need to update saved records that match the current record size. */
+ if (rec->hdr.record_length == max_rec_len)
continue;
+ if (!rec->hdr.record_length)
+ set_bit(i, new_records);
+
set_rec_fields(rec);
ret = update_record_on_storage(rec);
if (ret)
goto out_clear;
-
- set_bit(i, new_records);
}
return ret;
@@ -641,12 +657,7 @@ static int get_saved_records(void)
int ret, pos;
ssize_t len;
- /*
- * Assume saved records match current max size.
- *
- * However, this may not be true depending on module parameters.
- */
- old = kmalloc(max_rec_len, GFP_KERNEL);
+ old = kmalloc(FMPM_MAX_REC_LEN, GFP_KERNEL);
if (!old) {
ret = -ENOMEM;
goto out;
@@ -663,24 +674,32 @@ static int get_saved_records(void)
* Make sure to clear temporary buffer between reads to avoid
* leftover data from records of various sizes.
*/
- memset(old, 0, max_rec_len);
+ memset(old, 0, FMPM_MAX_REC_LEN);
- len = erst_read_record(record_id, &old->hdr, max_rec_len,
+ len = erst_read_record(record_id, &old->hdr, FMPM_MAX_REC_LEN,
sizeof(struct fru_rec), &CPER_CREATOR_FMP);
if (len < 0)
continue;
- if (len > max_rec_len) {
- pr_debug("Found record larger than max_rec_len\n");
- continue;
- }
-
new = get_valid_record(old);
if (!new) {
erst_clear(record_id);
continue;
}
+ if (len > max_rec_len) {
+ unsigned int saved_nr_entries;
+
+ saved_nr_entries = len - sizeof(struct fru_rec);
+ saved_nr_entries /= sizeof(struct cper_fru_poison_desc);
+
+ pr_warn("Saved record found with %u entries.\n", saved_nr_entries);
+ pr_warn("Please increase max_nr_entries to %u.\n", saved_nr_entries);
+
+ ret = -EINVAL;
+ goto out_end;
+ }
+
/* Restore the record */
memcpy(new, old, len);
}
--
GitLab
From ef25725b7f8aaffd7756974d3246ec44fae0a5cf Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 13 Mar 2024 17:36:56 +0100
Subject: [PATCH 1554/2686] staging: vc04_services: changen strncpy() to
strscpy_pad()
gcc-14 warns about this strncpy() that results in a non-terminated
string for an overflow:
In file included from include/linux/string.h:369,
from drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c:20:
In function 'strncpy',
inlined from 'create_component' at drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c:940:2:
include/linux/fortify-string.h:108:33: error: '__builtin_strncpy' specified bound 128 equals destination size [-Werror=stringop-truncation]
Change it to strscpy_pad(), which produces a properly terminated and
zero-padded string.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/20240313163712.224585-1-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
index 258aa0e37f554..6ca5797aeae5a 100644
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
@@ -937,8 +937,8 @@ static int create_component(struct vchiq_mmal_instance *instance,
/* build component create message */
m.h.type = MMAL_MSG_TYPE_COMPONENT_CREATE;
m.u.component_create.client_component = component->client_component;
- strncpy(m.u.component_create.name, name,
- sizeof(m.u.component_create.name));
+ strscpy_pad(m.u.component_create.name, name,
+ sizeof(m.u.component_create.name));
ret = send_synchronous_mmal_msg(instance, &m,
sizeof(m.u.component_create),
--
GitLab
From f37e76abd614b68987abc8e5c22d986013349771 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Wed, 13 Mar 2024 21:07:43 +0300
Subject: [PATCH 1555/2686] staging: vc04_services: fix information leak in
create_component()
The m.u.component_create.pid field is for debugging and in the mainline
kernel it's not used anything. However, it still needs to be set to
something to prevent disclosing uninitialized stack data. Set it to
zero.
Fixes: 7b3ad5abf027 ("staging: Import the BCM2835 MMAL-based V4L2 camera driver.")
Cc: stable <stable@kernel.org>
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/2d972847-9ebd-481b-b6f9-af390f5aabd3@moroto.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
index 6ca5797aeae5a..4c3684dd902ed 100644
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
@@ -939,6 +939,7 @@ static int create_component(struct vchiq_mmal_instance *instance,
m.u.component_create.client_component = component->client_component;
strscpy_pad(m.u.component_create.name, name,
sizeof(m.u.component_create.name));
+ m.u.component_create.pid = 0;
ret = send_synchronous_mmal_msg(instance, &m,
sizeof(m.u.component_create),
--
GitLab
From 443574b033876c85a35de4c65c14f7fe092222b2 Mon Sep 17 00:00:00 2001
From: Pu Lehui <pulehui@huawei.com>
Date: Sun, 24 Mar 2024 10:33:06 +0000
Subject: [PATCH 1556/2686] riscv, bpf: Fix kfunc parameters incompatibility
between bpf and riscv abi
We encountered a failing case when running selftest in no_alu32 mode:
The failure case is `kfunc_call/kfunc_call_test4` and its source code is
like bellow:
```
long bpf_kfunc_call_test4(signed char a, short b, int c, long d) __ksym;
int kfunc_call_test4(struct __sk_buff *skb)
{
...
tmp = bpf_kfunc_call_test4(-3, -30, -200, -1000);
...
}
```
And its corresponding asm code is:
```
0: r1 = -3
1: r2 = -30
2: r3 = 0xffffff38 # opcode: 18 03 00 00 38 ff ff ff 00 00 00 00 00 00 00 00
4: r4 = -1000
5: call bpf_kfunc_call_test4
```
insn 2 is parsed to ld_imm64 insn to emit 0x00000000ffffff38 imm, and
converted to int type and then send to bpf_kfunc_call_test4. But since
it is zero-extended in the bpf calling convention, riscv jit will
directly treat it as an unsigned 32-bit int value, and then fails with
the message "actual 4294966063 != expected -1234".
The reason is the incompatibility between bpf and riscv abi, that is,
bpf will do zero-extension on uint, but riscv64 requires sign-extension
on int or uint. We can solve this problem by sign extending the 32-bit
parameters in kfunc.
The issue is related to [0], and thanks to Yonghong and Alexei.
Link: https://github.com/llvm/llvm-project/pull/84874 [0]
Fixes: d40c3847b485 ("riscv, bpf: Add kfunc support for RV64")
Signed-off-by: Pu Lehui <pulehui@huawei.com>
Tested-by: Puranjay Mohan <puranjay12@gmail.com>
Reviewed-by: Puranjay Mohan <puranjay12@gmail.com>
Link: https://lore.kernel.org/r/20240324103306.2202954-1-pulehui@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
arch/riscv/net/bpf_jit_comp64.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c
index aac1900854724..1adf2f39ce59c 100644
--- a/arch/riscv/net/bpf_jit_comp64.c
+++ b/arch/riscv/net/bpf_jit_comp64.c
@@ -1463,6 +1463,22 @@ int bpf_jit_emit_insn(const struct bpf_insn *insn, struct rv_jit_context *ctx,
if (ret < 0)
return ret;
+ if (insn->src_reg == BPF_PSEUDO_KFUNC_CALL) {
+ const struct btf_func_model *fm;
+ int idx;
+
+ fm = bpf_jit_find_kfunc_model(ctx->prog, insn);
+ if (!fm)
+ return -EINVAL;
+
+ for (idx = 0; idx < fm->nr_args; idx++) {
+ u8 reg = bpf_to_rv_reg(BPF_REG_1 + idx, ctx);
+
+ if (fm->arg_size[idx] == sizeof(int))
+ emit_sextw(reg, reg, ctx);
+ }
+ }
+
ret = emit_call(addr, fixed_addr, ctx);
if (ret)
return ret;
--
GitLab
From fd00fe8cdbb241644131ece133a2eb1c3951f21e Mon Sep 17 00:00:00 2001
From: Nirmoy Das <nirmoy.das@intel.com>
Date: Mon, 11 Mar 2024 16:11:59 +0100
Subject: [PATCH 1557/2686] drm/xe: Remove unused xe_bo->props struct
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Property struct is not being used so remove it and related dead code.
Fixes: ddfa2d6a846a ("drm/xe/uapi: Kill VM_MADVISE IOCTL")
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: intel-xe@lists.freedesktop.org
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240311151159.10036-1-nirmoy.das@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 002d8f0b4f76aabbf8e00c538a124b91625d7260)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_bo.c | 59 +++++---------------------------
drivers/gpu/drm/xe/xe_bo_types.h | 19 ----------
2 files changed, 9 insertions(+), 69 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index 6603a0ea79c5a..9c0837b6fdfc8 100644
--- a/drivers/gpu/drm/xe/xe_bo.c
+++ b/drivers/gpu/drm/xe/xe_bo.c
@@ -144,9 +144,6 @@ static void try_add_system(struct xe_device *xe, struct xe_bo *bo,
.mem_type = XE_PL_TT,
};
*c += 1;
-
- if (bo->props.preferred_mem_type == XE_BO_PROPS_INVALID)
- bo->props.preferred_mem_type = XE_PL_TT;
}
}
@@ -181,25 +178,15 @@ static void add_vram(struct xe_device *xe, struct xe_bo *bo,
}
places[*c] = place;
*c += 1;
-
- if (bo->props.preferred_mem_type == XE_BO_PROPS_INVALID)
- bo->props.preferred_mem_type = mem_type;
}
static void try_add_vram(struct xe_device *xe, struct xe_bo *bo,
u32 bo_flags, u32 *c)
{
- if (bo->props.preferred_gt == XE_GT1) {
- if (bo_flags & XE_BO_CREATE_VRAM1_BIT)
- add_vram(xe, bo, bo->placements, bo_flags, XE_PL_VRAM1, c);
- if (bo_flags & XE_BO_CREATE_VRAM0_BIT)
- add_vram(xe, bo, bo->placements, bo_flags, XE_PL_VRAM0, c);
- } else {
- if (bo_flags & XE_BO_CREATE_VRAM0_BIT)
- add_vram(xe, bo, bo->placements, bo_flags, XE_PL_VRAM0, c);
- if (bo_flags & XE_BO_CREATE_VRAM1_BIT)
- add_vram(xe, bo, bo->placements, bo_flags, XE_PL_VRAM1, c);
- }
+ if (bo_flags & XE_BO_CREATE_VRAM0_BIT)
+ add_vram(xe, bo, bo->placements, bo_flags, XE_PL_VRAM0, c);
+ if (bo_flags & XE_BO_CREATE_VRAM1_BIT)
+ add_vram(xe, bo, bo->placements, bo_flags, XE_PL_VRAM1, c);
}
static void try_add_stolen(struct xe_device *xe, struct xe_bo *bo,
@@ -223,17 +210,8 @@ static int __xe_bo_placement_for_flags(struct xe_device *xe, struct xe_bo *bo,
{
u32 c = 0;
- bo->props.preferred_mem_type = XE_BO_PROPS_INVALID;
-
- /* The order of placements should indicate preferred location */
-
- if (bo->props.preferred_mem_class == DRM_XE_MEM_REGION_CLASS_SYSMEM) {
- try_add_system(xe, bo, bo_flags, &c);
- try_add_vram(xe, bo, bo_flags, &c);
- } else {
- try_add_vram(xe, bo, bo_flags, &c);
- try_add_system(xe, bo, bo_flags, &c);
- }
+ try_add_vram(xe, bo, bo_flags, &c);
+ try_add_system(xe, bo, bo_flags, &c);
try_add_stolen(xe, bo, bo_flags, &c);
if (!c)
@@ -1126,13 +1104,6 @@ static void xe_gem_object_close(struct drm_gem_object *obj,
}
}
-static bool should_migrate_to_system(struct xe_bo *bo)
-{
- struct xe_device *xe = xe_bo_device(bo);
-
- return xe_device_in_fault_mode(xe) && bo->props.cpu_atomic;
-}
-
static vm_fault_t xe_gem_fault(struct vm_fault *vmf)
{
struct ttm_buffer_object *tbo = vmf->vma->vm_private_data;
@@ -1141,7 +1112,7 @@ static vm_fault_t xe_gem_fault(struct vm_fault *vmf)
struct xe_bo *bo = ttm_to_xe_bo(tbo);
bool needs_rpm = bo->flags & XE_BO_CREATE_VRAM_MASK;
vm_fault_t ret;
- int idx, r = 0;
+ int idx;
if (needs_rpm)
xe_device_mem_access_get(xe);
@@ -1153,17 +1124,8 @@ static vm_fault_t xe_gem_fault(struct vm_fault *vmf)
if (drm_dev_enter(ddev, &idx)) {
trace_xe_bo_cpu_fault(bo);
- if (should_migrate_to_system(bo)) {
- r = xe_bo_migrate(bo, XE_PL_TT);
- if (r == -EBUSY || r == -ERESTARTSYS || r == -EINTR)
- ret = VM_FAULT_NOPAGE;
- else if (r)
- ret = VM_FAULT_SIGBUS;
- }
- if (!ret)
- ret = ttm_bo_vm_fault_reserved(vmf,
- vmf->vma->vm_page_prot,
- TTM_BO_VM_NUM_PREFAULT);
+ ret = ttm_bo_vm_fault_reserved(vmf, vmf->vma->vm_page_prot,
+ TTM_BO_VM_NUM_PREFAULT);
drm_dev_exit(idx);
} else {
ret = ttm_bo_vm_dummy_page(vmf, vmf->vma->vm_page_prot);
@@ -1291,9 +1253,6 @@ struct xe_bo *___xe_bo_create_locked(struct xe_device *xe, struct xe_bo *bo,
bo->flags = flags;
bo->cpu_caching = cpu_caching;
bo->ttm.base.funcs = &xe_gem_object_funcs;
- bo->props.preferred_mem_class = XE_BO_PROPS_INVALID;
- bo->props.preferred_gt = XE_BO_PROPS_INVALID;
- bo->props.preferred_mem_type = XE_BO_PROPS_INVALID;
bo->ttm.priority = XE_BO_PRIORITY_NORMAL;
INIT_LIST_HEAD(&bo->pinned_link);
#ifdef CONFIG_PROC_FS
diff --git a/drivers/gpu/drm/xe/xe_bo_types.h b/drivers/gpu/drm/xe/xe_bo_types.h
index 14ef13b7b421f..86422e113d396 100644
--- a/drivers/gpu/drm/xe/xe_bo_types.h
+++ b/drivers/gpu/drm/xe/xe_bo_types.h
@@ -56,25 +56,6 @@ struct xe_bo {
*/
struct list_head client_link;
#endif
- /** @props: BO user controlled properties */
- struct {
- /** @preferred_mem: preferred memory class for this BO */
- s16 preferred_mem_class;
- /** @prefered_gt: preferred GT for this BO */
- s16 preferred_gt;
- /** @preferred_mem_type: preferred memory type */
- s32 preferred_mem_type;
- /**
- * @cpu_atomic: the CPU expects to do atomics operations to
- * this BO
- */
- bool cpu_atomic;
- /**
- * @device_atomic: the device expects to do atomics operations
- * to this BO
- */
- bool device_atomic;
- } props;
/** @freed: List node for delayed put. */
struct llist_node freed;
/** @created: Whether the bo has passed initial creation */
--
GitLab
From 9c1256369c10e31b5ce6575e4ea27fe2c375fd94 Mon Sep 17 00:00:00 2001
From: Matthew Auld <matthew.auld@intel.com>
Date: Thu, 14 Mar 2024 12:15:55 +0000
Subject: [PATCH 1558/2686] drm/xe/guc_submit: use jiffies for job timeout
drm_sched_init() expects jiffies for the timeout, but here we are
passing the timeout in ms. Convert to jiffies instead.
Fixes: eef55700f302 ("drm/xe: Add sysfs for default engine scheduler properties")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240314121554.223229-2-matthew.auld@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 2c5b70f74d61438a071a19370e63c234d2bd8938)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_guc_submit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c
index ff77bc8da1b27..e2a4c3b5e9ff8 100644
--- a/drivers/gpu/drm/xe/xe_guc_submit.c
+++ b/drivers/gpu/drm/xe/xe_guc_submit.c
@@ -1220,7 +1220,7 @@ static int guc_exec_queue_init(struct xe_exec_queue *q)
init_waitqueue_head(&ge->suspend_wait);
timeout = (q->vm && xe_vm_in_lr_mode(q->vm)) ? MAX_SCHEDULE_TIMEOUT :
- q->sched_props.job_timeout_ms;
+ msecs_to_jiffies(q->sched_props.job_timeout_ms);
err = xe_sched_init(&ge->sched, &drm_sched_ops, &xe_sched_ops,
get_submit_wq(guc),
q->lrc[0].ring.size / MAX_JOB_SIZE_BYTES, 64,
--
GitLab
From b7dce525c4fcc92b373136288309f8c9ca6c375f Mon Sep 17 00:00:00 2001
From: Matthew Auld <matthew.auld@intel.com>
Date: Mon, 18 Mar 2024 18:05:33 +0000
Subject: [PATCH 1559/2686] drm/xe/queue: fix engine_class bounds check
The engine_class is the index into the user_to_xe_engine_class,
therefore it needs to be less than.
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240318180532.57522-4-matthew.auld@intel.com
(cherry picked from commit fe87b7dfcb204a161d1e38b0e787b2f5ab520f32)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_exec_queue.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c
index 11e150f4c0c1f..ead25d5e723ea 100644
--- a/drivers/gpu/drm/xe/xe_exec_queue.c
+++ b/drivers/gpu/drm/xe/xe_exec_queue.c
@@ -448,7 +448,7 @@ find_hw_engine(struct xe_device *xe,
{
u32 idx;
- if (eci.engine_class > ARRAY_SIZE(user_to_xe_engine_class))
+ if (eci.engine_class >= ARRAY_SIZE(user_to_xe_engine_class))
return NULL;
if (eci.gt_id >= xe->info.gt_count)
--
GitLab
From 23e1ee3a2317f41f47d4f7255257431c5f8d1c2c Mon Sep 17 00:00:00 2001
From: Matthew Auld <matthew.auld@intel.com>
Date: Mon, 18 Mar 2024 18:05:34 +0000
Subject: [PATCH 1560/2686] drm/xe/device: fix XE_MAX_GT_PER_TILE check
Here XE_MAX_GT_PER_TILE is the total, therefore the gt index should
always be less than.
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240318180532.57522-5-matthew.auld@intel.com
(cherry picked from commit a5ef563b1d676548a4c5016540833ff970230964)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_device.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/xe/xe_device.h b/drivers/gpu/drm/xe/xe_device.h
index 14be34d9f5434..5c254ec9c602e 100644
--- a/drivers/gpu/drm/xe/xe_device.h
+++ b/drivers/gpu/drm/xe/xe_device.h
@@ -58,7 +58,7 @@ static inline struct xe_tile *xe_device_get_root_tile(struct xe_device *xe)
static inline struct xe_gt *xe_tile_get_gt(struct xe_tile *tile, u8 gt_id)
{
- if (drm_WARN_ON(&tile_to_xe(tile)->drm, gt_id > XE_MAX_GT_PER_TILE))
+ if (drm_WARN_ON(&tile_to_xe(tile)->drm, gt_id >= XE_MAX_GT_PER_TILE))
gt_id = 0;
return gt_id ? tile->media_gt : tile->primary_gt;
--
GitLab
From b45f20fa69cedb6038fdaec31bd600c273c865a5 Mon Sep 17 00:00:00 2001
From: Matthew Auld <matthew.auld@intel.com>
Date: Mon, 18 Mar 2024 18:05:35 +0000
Subject: [PATCH 1561/2686] drm/xe/device: fix XE_MAX_TILES_PER_DEVICE check
Here XE_MAX_TILES_PER_DEVICE is the gt array size, therefore the gt
index should always be less than.
v2 (Lucas):
- Add fixes tag.
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240318180532.57522-6-matthew.auld@intel.com
(cherry picked from commit a96cd71ec7be0790f9fc4039ad21be8d214b03a4)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_device.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/xe/xe_device.h b/drivers/gpu/drm/xe/xe_device.h
index 5c254ec9c602e..d413bc2c6be5a 100644
--- a/drivers/gpu/drm/xe/xe_device.h
+++ b/drivers/gpu/drm/xe/xe_device.h
@@ -79,7 +79,7 @@ static inline struct xe_gt *xe_device_get_gt(struct xe_device *xe, u8 gt_id)
if (MEDIA_VER(xe) >= 13) {
gt = xe_tile_get_gt(root_tile, gt_id);
} else {
- if (drm_WARN_ON(&xe->drm, gt_id > XE_MAX_TILES_PER_DEVICE))
+ if (drm_WARN_ON(&xe->drm, gt_id >= XE_MAX_TILES_PER_DEVICE))
gt_id = 0;
gt = xe->tiles[gt_id].primary_gt;
--
GitLab
From 45c30b2923e5c53e0ef057a8a525b0456adde18e Mon Sep 17 00:00:00 2001
From: Matthew Auld <matthew.auld@intel.com>
Date: Thu, 21 Mar 2024 11:06:30 +0000
Subject: [PATCH 1562/2686] drm/xe/query: fix gt_id bounds check
The user provided gt_id should always be less than the
XE_MAX_GT_PER_TILE.
Fixes: 7793d00d1bf5 ("drm/xe: Correlate engine and cpu timestamps with better accuracy")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Acked-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240321110629.334701-2-matthew.auld@intel.com
(cherry picked from commit 4b275f502a0d3668195762fb55fa00e659ad1b0b)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_query.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/xe/xe_query.c b/drivers/gpu/drm/xe/xe_query.c
index 92bb06c0586eb..075f9eaef0312 100644
--- a/drivers/gpu/drm/xe/xe_query.c
+++ b/drivers/gpu/drm/xe/xe_query.c
@@ -132,7 +132,7 @@ query_engine_cycles(struct xe_device *xe,
return -EINVAL;
eci = &resp.eci;
- if (eci->gt_id > XE_MAX_GT_PER_TILE)
+ if (eci->gt_id >= XE_MAX_GT_PER_TILE)
return -EINVAL;
gt = xe_device_get_gt(xe, eci->gt_id);
--
GitLab
From 0d8cf0c924732a045273c6aca6900a340ac88529 Mon Sep 17 00:00:00 2001
From: Lucas De Marchi <lucas.demarchi@intel.com>
Date: Fri, 22 Mar 2024 07:48:43 -0700
Subject: [PATCH 1563/2686] drm/xe: Fix END redefinition
mips declares an END macro in its headers so it can't be used without
namespace in a driver like xe.
Instead of coming up with a longer name, just remove the macro and
replace its use with 0 since it's still clear what that means:
set_offsets() was already using that implicitly when checking the data
variable.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Closes: http://kisskb.ellerman.id.au/kisskb/buildresult/15143996/
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240322145037.196548-1-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 35b22649eb4155ca6bcffcb2c6e2a1d311aaaf72)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_lrc.c | 20 +++++++++-----------
1 file changed, 9 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c
index 7ad853b0788af..1426febe86eb6 100644
--- a/drivers/gpu/drm/xe/xe_lrc.c
+++ b/drivers/gpu/drm/xe/xe_lrc.c
@@ -97,7 +97,6 @@ static void set_offsets(u32 *regs,
#define REG16(x) \
(((x) >> 9) | BIT(7) | BUILD_BUG_ON_ZERO(x >= 0x10000)), \
(((x) >> 2) & 0x7f)
-#define END 0
{
const u32 base = hwe->mmio_base;
@@ -168,7 +167,7 @@ static const u8 gen12_xcs_offsets[] = {
REG16(0x274),
REG16(0x270),
- END
+ 0
};
static const u8 dg2_xcs_offsets[] = {
@@ -202,7 +201,7 @@ static const u8 dg2_xcs_offsets[] = {
REG16(0x274),
REG16(0x270),
- END
+ 0
};
static const u8 gen12_rcs_offsets[] = {
@@ -298,7 +297,7 @@ static const u8 gen12_rcs_offsets[] = {
REG(0x084),
NOP(1),
- END
+ 0
};
static const u8 xehp_rcs_offsets[] = {
@@ -339,7 +338,7 @@ static const u8 xehp_rcs_offsets[] = {
LRI(1, 0),
REG(0x0c8),
- END
+ 0
};
static const u8 dg2_rcs_offsets[] = {
@@ -382,7 +381,7 @@ static const u8 dg2_rcs_offsets[] = {
LRI(1, 0),
REG(0x0c8),
- END
+ 0
};
static const u8 mtl_rcs_offsets[] = {
@@ -425,7 +424,7 @@ static const u8 mtl_rcs_offsets[] = {
LRI(1, 0),
REG(0x0c8),
- END
+ 0
};
#define XE2_CTX_COMMON \
@@ -471,7 +470,7 @@ static const u8 xe2_rcs_offsets[] = {
LRI(1, 0), /* [0x47] */
REG(0x0c8), /* [0x48] R_PWR_CLK_STATE */
- END
+ 0
};
static const u8 xe2_bcs_offsets[] = {
@@ -482,16 +481,15 @@ static const u8 xe2_bcs_offsets[] = {
REG16(0x200), /* [0x42] BCS_SWCTRL */
REG16(0x204), /* [0x44] BLIT_CCTL */
- END
+ 0
};
static const u8 xe2_xcs_offsets[] = {
XE2_CTX_COMMON,
- END
+ 0
};
-#undef END
#undef REG16
#undef REG
#undef LRI
--
GitLab
From a469158eaf8f4b10263b417856d923dfa38ae96d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Apitzsch?= <git@apitzsch.eu>
Date: Mon, 25 Mar 2024 19:05:09 +0100
Subject: [PATCH 1564/2686] regulator: tps65132: Add of_match table
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add of_match table for "ti,tps65132" compatible string.
This fixes automatic driver loading when using device-tree,
and if built as a module like major linux distributions do.
Signed-off-by: André Apitzsch <git@apitzsch.eu>
Link: https://msgid.link/r/20240325-of_tps65132-v1-1-86a5f7ef4ede@apitzsch.eu
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/regulator/tps65132-regulator.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/regulator/tps65132-regulator.c b/drivers/regulator/tps65132-regulator.c
index a06f5f2d79329..9c2f0dd42613d 100644
--- a/drivers/regulator/tps65132-regulator.c
+++ b/drivers/regulator/tps65132-regulator.c
@@ -267,10 +267,17 @@ static const struct i2c_device_id tps65132_id[] = {
};
MODULE_DEVICE_TABLE(i2c, tps65132_id);
+static const struct of_device_id __maybe_unused tps65132_of_match[] = {
+ { .compatible = "ti,tps65132" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, tps65132_of_match);
+
static struct i2c_driver tps65132_i2c_driver = {
.driver = {
.name = "tps65132",
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
+ .of_match_table = of_match_ptr(tps65132_of_match),
},
.probe = tps65132_probe,
.id_table = tps65132_id,
--
GitLab
From 27f58c04a8f438078583041468ec60597841284d Mon Sep 17 00:00:00 2001
From: Alexander Wetzel <Alexander@wetzel-home.de>
Date: Wed, 20 Mar 2024 22:30:32 +0100
Subject: [PATCH 1565/2686] scsi: sg: Avoid sg device teardown race
sg_remove_sfp_usercontext() must not use sg_device_destroy() after calling
scsi_device_put().
sg_device_destroy() is accessing the parent scsi_device request_queue which
will already be set to NULL when the preceding call to scsi_device_put()
removed the last reference to the parent scsi_device.
The resulting NULL pointer exception will then crash the kernel.
Link: https://lore.kernel.org/r/20240305150509.23896-1-Alexander@wetzel-home.de
Fixes: db59133e9279 ("scsi: sg: fix blktrace debugfs entries leakage")
Cc: stable@vger.kernel.org
Signed-off-by: Alexander Wetzel <Alexander@wetzel-home.de>
Link: https://lore.kernel.org/r/20240320213032.18221-1-Alexander@wetzel-home.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/sg.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 6ef6256246dfa..386981c6976a5 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -2207,6 +2207,7 @@ sg_remove_sfp_usercontext(struct work_struct *work)
{
struct sg_fd *sfp = container_of(work, struct sg_fd, ew.work);
struct sg_device *sdp = sfp->parentdp;
+ struct scsi_device *device = sdp->device;
Sg_request *srp;
unsigned long iflags;
@@ -2232,8 +2233,9 @@ sg_remove_sfp_usercontext(struct work_struct *work)
"sg_remove_sfp: sfp=0x%p\n", sfp));
kfree(sfp);
- scsi_device_put(sdp->device);
+ WARN_ON_ONCE(kref_read(&sdp->d_ref) != 1);
kref_put(&sdp->d_ref, sg_device_destroy);
+ scsi_device_put(device);
module_put(THIS_MODULE);
}
--
GitLab
From 0c76106cb97548810214def8ee22700bbbb90543 Mon Sep 17 00:00:00 2001
From: Damien Le Moal <dlemoal@kernel.org>
Date: Tue, 19 Mar 2024 16:12:09 +0900
Subject: [PATCH 1566/2686] scsi: sd: Fix TCG OPAL unlock on system resume
Commit 3cc2ffe5c16d ("scsi: sd: Differentiate system and runtime start/stop
management") introduced the manage_system_start_stop scsi_device flag to
allow libata to indicate to the SCSI disk driver that nothing should be
done when resuming a disk on system resume. This change turned the
execution of sd_resume() into a no-op for ATA devices on system
resume. While this solved deadlock issues during device resume, this change
also wrongly removed the execution of opal_unlock_from_suspend(). As a
result, devices with TCG OPAL locking enabled remain locked and
inaccessible after a system resume from sleep.
To fix this issue, introduce the SCSI driver resume method and implement it
with the sd_resume() function calling opal_unlock_from_suspend(). The
former sd_resume() function is renamed to sd_resume_common() and modified
to call the new sd_resume() function. For non-ATA devices, this result in
no functional changes.
In order for libata to explicitly execute sd_resume() when a device is
resumed during system restart, the function scsi_resume_device() is
introduced. libata calls this function from the revalidation work executed
on devie resume, a state that is indicated with the new device flag
ATA_DFLAG_RESUMING. Doing so, locked TCG OPAL enabled devices are unlocked
on resume, allowing normal operation.
Fixes: 3cc2ffe5c16d ("scsi: sd: Differentiate system and runtime start/stop management")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218538
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20240319071209.1179257-1-dlemoal@kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/ata/libata-eh.c | 5 ++++-
drivers/ata/libata-scsi.c | 9 +++++++++
drivers/scsi/scsi_scan.c | 34 ++++++++++++++++++++++++++++++++++
drivers/scsi/sd.c | 23 +++++++++++++++++++----
include/linux/libata.h | 1 +
include/scsi/scsi_driver.h | 1 +
include/scsi/scsi_host.h | 1 +
7 files changed, 69 insertions(+), 5 deletions(-)
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index b0d6e69c4a5b2..214b935c2ced7 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -712,8 +712,10 @@ void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap)
ehc->saved_ncq_enabled |= 1 << devno;
/* If we are resuming, wake up the device */
- if (ap->pflags & ATA_PFLAG_RESUMING)
+ if (ap->pflags & ATA_PFLAG_RESUMING) {
+ dev->flags |= ATA_DFLAG_RESUMING;
ehc->i.dev_action[devno] |= ATA_EH_SET_ACTIVE;
+ }
}
}
@@ -3169,6 +3171,7 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link,
return 0;
err:
+ dev->flags &= ~ATA_DFLAG_RESUMING;
*r_failed_dev = dev;
return rc;
}
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 0a0f483124c3a..2f4c588376410 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -4730,6 +4730,7 @@ void ata_scsi_dev_rescan(struct work_struct *work)
struct ata_link *link;
struct ata_device *dev;
unsigned long flags;
+ bool do_resume;
int ret = 0;
mutex_lock(&ap->scsi_scan_mutex);
@@ -4751,7 +4752,15 @@ void ata_scsi_dev_rescan(struct work_struct *work)
if (scsi_device_get(sdev))
continue;
+ do_resume = dev->flags & ATA_DFLAG_RESUMING;
+
spin_unlock_irqrestore(ap->lock, flags);
+ if (do_resume) {
+ ret = scsi_resume_device(sdev);
+ if (ret == -EWOULDBLOCK)
+ goto unlock;
+ dev->flags &= ~ATA_DFLAG_RESUMING;
+ }
ret = scsi_rescan_device(sdev);
scsi_device_put(sdev);
spin_lock_irqsave(ap->lock, flags);
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 8d06475de17a3..ffd7e7e72933c 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1642,6 +1642,40 @@ int scsi_add_device(struct Scsi_Host *host, uint channel,
}
EXPORT_SYMBOL(scsi_add_device);
+int scsi_resume_device(struct scsi_device *sdev)
+{
+ struct device *dev = &sdev->sdev_gendev;
+ int ret = 0;
+
+ device_lock(dev);
+
+ /*
+ * Bail out if the device or its queue are not running. Otherwise,
+ * the rescan may block waiting for commands to be executed, with us
+ * holding the device lock. This can result in a potential deadlock
+ * in the power management core code when system resume is on-going.
+ */
+ if (sdev->sdev_state != SDEV_RUNNING ||
+ blk_queue_pm_only(sdev->request_queue)) {
+ ret = -EWOULDBLOCK;
+ goto unlock;
+ }
+
+ if (dev->driver && try_module_get(dev->driver->owner)) {
+ struct scsi_driver *drv = to_scsi_driver(dev->driver);
+
+ if (drv->resume)
+ ret = drv->resume(dev);
+ module_put(dev->driver->owner);
+ }
+
+unlock:
+ device_unlock(dev);
+
+ return ret;
+}
+EXPORT_SYMBOL(scsi_resume_device);
+
int scsi_rescan_device(struct scsi_device *sdev)
{
struct device *dev = &sdev->sdev_gendev;
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index ccff8f2e2e75b..3cf8986702904 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -4108,7 +4108,21 @@ static int sd_suspend_runtime(struct device *dev)
return sd_suspend_common(dev, true);
}
-static int sd_resume(struct device *dev, bool runtime)
+static int sd_resume(struct device *dev)
+{
+ struct scsi_disk *sdkp = dev_get_drvdata(dev);
+
+ sd_printk(KERN_NOTICE, sdkp, "Starting disk\n");
+
+ if (opal_unlock_from_suspend(sdkp->opal_dev)) {
+ sd_printk(KERN_NOTICE, sdkp, "OPAL unlock failed\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int sd_resume_common(struct device *dev, bool runtime)
{
struct scsi_disk *sdkp = dev_get_drvdata(dev);
int ret;
@@ -4124,7 +4138,7 @@ static int sd_resume(struct device *dev, bool runtime)
sd_printk(KERN_NOTICE, sdkp, "Starting disk\n");
ret = sd_start_stop_device(sdkp, 1);
if (!ret) {
- opal_unlock_from_suspend(sdkp->opal_dev);
+ sd_resume(dev);
sdkp->suspended = false;
}
@@ -4143,7 +4157,7 @@ static int sd_resume_system(struct device *dev)
return 0;
}
- return sd_resume(dev, false);
+ return sd_resume_common(dev, false);
}
static int sd_resume_runtime(struct device *dev)
@@ -4170,7 +4184,7 @@ static int sd_resume_runtime(struct device *dev)
"Failed to clear sense data\n");
}
- return sd_resume(dev, true);
+ return sd_resume_common(dev, true);
}
static const struct dev_pm_ops sd_pm_ops = {
@@ -4193,6 +4207,7 @@ static struct scsi_driver sd_template = {
.pm = &sd_pm_ops,
},
.rescan = sd_rescan,
+ .resume = sd_resume,
.init_command = sd_init_command,
.uninit_command = sd_uninit_command,
.done = sd_done,
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 26d68115afb82..324d792e7c786 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -107,6 +107,7 @@ enum {
ATA_DFLAG_NCQ_PRIO_ENABLED = (1 << 20), /* Priority cmds sent to dev */
ATA_DFLAG_CDL_ENABLED = (1 << 21), /* cmd duration limits is enabled */
+ ATA_DFLAG_RESUMING = (1 << 22), /* Device is resuming */
ATA_DFLAG_DETACH = (1 << 24),
ATA_DFLAG_DETACHED = (1 << 25),
ATA_DFLAG_DA = (1 << 26), /* device supports Device Attention */
diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h
index 4ce1988b2ba01..f40915d2eceef 100644
--- a/include/scsi/scsi_driver.h
+++ b/include/scsi/scsi_driver.h
@@ -12,6 +12,7 @@ struct request;
struct scsi_driver {
struct device_driver gendrv;
+ int (*resume)(struct device *);
void (*rescan)(struct device *);
blk_status_t (*init_command)(struct scsi_cmnd *);
void (*uninit_command)(struct scsi_cmnd *);
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index b259d42a1e1af..129001f600fc9 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -767,6 +767,7 @@ scsi_template_proc_dir(const struct scsi_host_template *sht);
#define scsi_template_proc_dir(sht) NULL
#endif
extern void scsi_scan_host(struct Scsi_Host *);
+extern int scsi_resume_device(struct scsi_device *sdev);
extern int scsi_rescan_device(struct scsi_device *sdev);
extern void scsi_remove_host(struct Scsi_Host *);
extern struct Scsi_Host *scsi_host_get(struct Scsi_Host *);
--
GitLab
From 429846b4b6ce9853e0d803a2357bb2e55083adf0 Mon Sep 17 00:00:00 2001
From: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Date: Sat, 23 Mar 2024 17:41:55 +0900
Subject: [PATCH 1567/2686] scsi: mpi3mr: Avoid memcpy field-spanning write
WARNING
When the "storcli2 show" command is executed for eHBA-9600, mpi3mr driver
prints this WARNING message:
memcpy: detected field-spanning write (size 128) of single field "bsg_reply_buf->reply_buf" at drivers/scsi/mpi3mr/mpi3mr_app.c:1658 (size 1)
WARNING: CPU: 0 PID: 12760 at drivers/scsi/mpi3mr/mpi3mr_app.c:1658 mpi3mr_bsg_request+0x6b12/0x7f10 [mpi3mr]
The cause of the WARN is 128 bytes memcpy to the 1 byte size array "__u8
replay_buf[1]" in the struct mpi3mr_bsg_in_reply_buf. The array is intended
to be a flexible length array, so the WARN is a false positive.
To suppress the WARN, remove the constant number '1' from the array
declaration and clarify that it has flexible length. Also, adjust the
memory allocation size to match the change.
Suggested-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Link: https://lore.kernel.org/r/20240323084155.166835-1-shinichiro.kawasaki@wdc.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/mpi3mr/mpi3mr_app.c | 2 +-
include/uapi/scsi/scsi_bsg_mpi3mr.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/mpi3mr/mpi3mr_app.c b/drivers/scsi/mpi3mr/mpi3mr_app.c
index 0380996b5ad27..55d590b919476 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_app.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_app.c
@@ -1644,7 +1644,7 @@ static long mpi3mr_bsg_process_mpt_cmds(struct bsg_job *job)
if ((mpirep_offset != 0xFF) &&
drv_bufs[mpirep_offset].bsg_buf_len) {
drv_buf_iter = &drv_bufs[mpirep_offset];
- drv_buf_iter->kern_buf_len = (sizeof(*bsg_reply_buf) - 1 +
+ drv_buf_iter->kern_buf_len = (sizeof(*bsg_reply_buf) +
mrioc->reply_sz);
bsg_reply_buf = kzalloc(drv_buf_iter->kern_buf_len, GFP_KERNEL);
diff --git a/include/uapi/scsi/scsi_bsg_mpi3mr.h b/include/uapi/scsi/scsi_bsg_mpi3mr.h
index c72ce387286ad..30a5c1a593764 100644
--- a/include/uapi/scsi/scsi_bsg_mpi3mr.h
+++ b/include/uapi/scsi/scsi_bsg_mpi3mr.h
@@ -382,7 +382,7 @@ struct mpi3mr_bsg_in_reply_buf {
__u8 mpi_reply_type;
__u8 rsvd1;
__u16 rsvd2;
- __u8 reply_buf[1];
+ __u8 reply_buf[];
};
/**
--
GitLab
From a8eb93b42d7e068306ca07f51055cbcde893fea3 Mon Sep 17 00:00:00 2001
From: Thomas Zimmermann <tzimmermann@suse.de>
Date: Fri, 22 Mar 2024 09:29:46 +0100
Subject: [PATCH 1568/2686] fbdev: Select I/O-memory framebuffer ops for SBus
Framebuffer I/O on the Sparc Sbus requires read/write helpers for
I/O memory. Select FB_IOMEM_FOPS accordingly.
Reported-by: Nick Bowler <nbowler@draconx.ca>
Closes: https://lore.kernel.org/lkml/5bc21364-41da-a339-676e-5bb0f4faebfb@draconx.ca/
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 8813e86f6d82 ("fbdev: Remove default file-I/O implementations")
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Javier Martinez Canillas <javierm@redhat.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Helge Deller <deller@gmx.de>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v6.8+
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240322083005.24269-1-tzimmermann@suse.de
---
drivers/video/fbdev/Kconfig | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index e3179e987cdb3..197b6d5268e94 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -494,6 +494,7 @@ config FB_SBUS_HELPERS
select FB_CFB_COPYAREA
select FB_CFB_FILLRECT
select FB_CFB_IMAGEBLIT
+ select FB_IOMEM_FOPS
config FB_BW2
bool "BWtwo support"
@@ -514,6 +515,7 @@ config FB_CG6
depends on (FB = y) && (SPARC && FB_SBUS)
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
+ select FB_IOMEM_FOPS
help
This is the frame buffer device driver for the CGsix (GX, TurboGX)
frame buffer.
@@ -523,6 +525,7 @@ config FB_FFB
depends on FB_SBUS && SPARC64
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
+ select FB_IOMEM_FOPS
help
This is the frame buffer device driver for the Creator, Creator3D,
and Elite3D graphics boards.
--
GitLab
From f23a4d6e07570826fe95023ca1aa96a011fa9f84 Mon Sep 17 00:00:00 2001
From: "Guilherme G. Piccoli" <gpiccoli@igalia.com>
Date: Wed, 13 Mar 2024 08:21:20 -0300
Subject: [PATCH 1569/2686] scsi: core: Fix unremoved procfs host directory
regression
Commit fc663711b944 ("scsi: core: Remove the /proc/scsi/${proc_name}
directory earlier") fixed a bug related to modules loading/unloading, by
adding a call to scsi_proc_hostdir_rm() on scsi_remove_host(). But that led
to a potential duplicate call to the hostdir_rm() routine, since it's also
called from scsi_host_dev_release(). That triggered a regression report,
which was then fixed by commit be03df3d4bfe ("scsi: core: Fix a procfs host
directory removal regression"). The fix just dropped the hostdir_rm() call
from dev_release().
But it happens that this proc directory is created on scsi_host_alloc(),
and that function "pairs" with scsi_host_dev_release(), while
scsi_remove_host() pairs with scsi_add_host(). In other words, it seems the
reason for removing the proc directory on dev_release() was meant to cover
cases in which a SCSI host structure was allocated, but the call to
scsi_add_host() didn't happen. And that pattern happens to exist in some
error paths, for example.
Syzkaller causes that by using USB raw gadget device, error'ing on
usb-storage driver, at usb_stor_probe2(). By checking that path, we can see
that the BadDevice label leads to a scsi_host_put() after a SCSI host
allocation, but there's no call to scsi_add_host() in such path. That leads
to messages like this in dmesg (and a leak of the SCSI host proc
structure):
usb-storage 4-1:87.51: USB Mass Storage device detected
proc_dir_entry 'scsi/usb-storage' already registered
WARNING: CPU: 1 PID: 3519 at fs/proc/generic.c:377 proc_register+0x347/0x4e0 fs/proc/generic.c:376
The proper fix seems to still call scsi_proc_hostdir_rm() on dev_release(),
but guard that with the state check for SHOST_CREATED; there is even a
comment in scsi_host_dev_release() detailing that: such conditional is
meant for cases where the SCSI host was allocated but there was no calls to
{add,remove}_host(), like the usb-storage case.
This is what we propose here and with that, the error path of usb-storage
does not trigger the warning anymore.
Reported-by: syzbot+c645abf505ed21f931b5@syzkaller.appspotmail.com
Fixes: be03df3d4bfe ("scsi: core: Fix a procfs host directory removal regression")
Cc: stable@vger.kernel.org
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Link: https://lore.kernel.org/r/20240313113006.2834799-1-gpiccoli@igalia.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/hosts.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 4f495a41ec4aa..2d92549e52431 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -353,12 +353,13 @@ static void scsi_host_dev_release(struct device *dev)
if (shost->shost_state == SHOST_CREATED) {
/*
- * Free the shost_dev device name here if scsi_host_alloc()
- * and scsi_host_put() have been called but neither
+ * Free the shost_dev device name and remove the proc host dir
+ * here if scsi_host_{alloc,put}() have been called but neither
* scsi_host_add() nor scsi_remove_host() has been called.
* This avoids that the memory allocated for the shost_dev
- * name is leaked.
+ * name as well as the proc dir structure are leaked.
*/
+ scsi_proc_hostdir_rm(shost->hostt);
kfree(dev_name(&shost->shost_dev));
}
--
GitLab
From c2ddeb29612f7ca84ed10c6d4f3ac99705135447 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Date: Mon, 25 Mar 2024 13:58:08 +0100
Subject: [PATCH 1570/2686] genirq: Introduce IRQF_COND_ONESHOT and use it in
pinctrl-amd
There is a problem when a driver requests a shared interrupt line to run a
threaded handler on it without IRQF_ONESHOT set if that flag has been set
already for the IRQ in question by somebody else. Namely, the request
fails which usually leads to a probe failure even though the driver might
have worked just fine with IRQF_ONESHOT, but it does not want to use it by
default. Currently, the only way to handle this is to try to request the
IRQ without IRQF_ONESHOT, but with IRQF_PROBE_SHARED set and if this fails,
try again with IRQF_ONESHOT set. However, this is a bit cumbersome and not
very clean.
When commit 7a36b901a6eb ("ACPI: OSL: Use a threaded interrupt handler for
SCI") switched the ACPI subsystem over to using a threaded interrupt
handler for the SCI, it had to use IRQF_ONESHOT for it because that's
required due to the way the SCI handler works (it needs to walk all of the
enabled GPEs before the interrupt line can be unmasked). The SCI interrupt
line is not shared with other users very often due to the SCI handling
overhead, but on sone systems it is shared and when the other user of it
attempts to install a threaded handler, a flags mismatch related to
IRQF_ONESHOT may occur.
As it turned out, that happened to the pinctrl-amd driver and so commit
4451e8e8415e ("pinctrl: amd: Add IRQF_ONESHOT to the interrupt request")
attempted to address the issue by adding IRQF_ONESHOT to the interrupt
flags in that driver, but this is now causing an IRQF_ONESHOT-related
mismatch to occur on another system which cannot boot as a result of it.
Clearly, pinctrl-amd can work with IRQF_ONESHOT if need be, but it should
not set that flag by default, so it needs a way to indicate that to the
interrupt subsystem.
To that end, introdcuce a new interrupt flag, IRQF_COND_ONESHOT, which will
only have effect when the IRQ line is shared and IRQF_ONESHOT has been set
for it already, in which case it will be promoted to the latter.
This is sufficient for drivers sharing the interrupt line with the SCI as
it is requested by the ACPI subsystem before any drivers are probed, so
they will always see IRQF_ONESHOT set for the interrupt in question.
Fixes: 4451e8e8415e ("pinctrl: amd: Add IRQF_ONESHOT to the interrupt request")
Reported-by: Francisco Ayala Le Brun <francisco@videowindow.eu>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: 6.8+ <stable@vger.kernel.org> # 6.8+
Closes: https://lore.kernel.org/lkml/CAN-StX1HqWqi+YW=t+V52-38Mfp5fAz7YHx4aH-CQjgyNiKx3g@mail.gmail.com/
Link: https://lore.kernel.org/r/12417336.O9o76ZdvQC@kreacher
---
drivers/pinctrl/pinctrl-amd.c | 2 +-
include/linux/interrupt.h | 3 +++
kernel/irq/manage.c | 9 +++++++--
3 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index 49f89b70dcecb..7f66ec73199a9 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -1159,7 +1159,7 @@ static int amd_gpio_probe(struct platform_device *pdev)
}
ret = devm_request_irq(&pdev->dev, gpio_dev->irq, amd_gpio_irq_handler,
- IRQF_SHARED | IRQF_ONESHOT, KBUILD_MODNAME, gpio_dev);
+ IRQF_SHARED | IRQF_COND_ONESHOT, KBUILD_MODNAME, gpio_dev);
if (ret)
goto out2;
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 76121c2bb4f82..5c9bdd3ffccc8 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -67,6 +67,8 @@
* later.
* IRQF_NO_DEBUG - Exclude from runnaway detection for IPI and similar handlers,
* depends on IRQF_PERCPU.
+ * IRQF_COND_ONESHOT - Agree to do IRQF_ONESHOT if already set for a shared
+ * interrupt.
*/
#define IRQF_SHARED 0x00000080
#define IRQF_PROBE_SHARED 0x00000100
@@ -82,6 +84,7 @@
#define IRQF_COND_SUSPEND 0x00040000
#define IRQF_NO_AUTOEN 0x00080000
#define IRQF_NO_DEBUG 0x00100000
+#define IRQF_COND_ONESHOT 0x00200000
#define IRQF_TIMER (__IRQF_TIMER | IRQF_NO_SUSPEND | IRQF_NO_THREAD)
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index ad3eaf2ab9596..bf9ae8a8686ff 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1643,8 +1643,13 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
}
if (!((old->flags & new->flags) & IRQF_SHARED) ||
- (oldtype != (new->flags & IRQF_TRIGGER_MASK)) ||
- ((old->flags ^ new->flags) & IRQF_ONESHOT))
+ (oldtype != (new->flags & IRQF_TRIGGER_MASK)))
+ goto mismatch;
+
+ if ((old->flags & IRQF_ONESHOT) &&
+ (new->flags & IRQF_COND_ONESHOT))
+ new->flags |= IRQF_ONESHOT;
+ else if ((old->flags ^ new->flags) & IRQF_ONESHOT)
goto mismatch;
/* All handlers must agree on per-cpuness */
--
GitLab
From d1ef7a9ca867ab5c161d1647b2a8ec93a2ea155d Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <mlevitsk@redhat.com>
Date: Thu, 21 Mar 2024 10:19:19 -0400
Subject: [PATCH 1571/2686] i2c: i801: Fix a refactoring that broke a touchpad
on Lenovo P1
Commit 857cc04cdf50 ("i2c: i801: Add helper i801_get_block_len")
introduced a slight functional change: the status variable is now
overwritten with the length of an SMBUS tranasaction,
even in case of success.
This breaks the touchpad on at least my Lenovo P1:
rmi4_physical rmi4-00: Read PDT entry at 0x00e9 failed, code: -6.
rmi4_physical rmi4-00: RMI initial reset failed! Continuing in spite of this.
rmi4_physical rmi4-00: Read PDT entry at 0x00e9 failed, code: -6.
rmi4_physical rmi4-00: IRQ counting failed with code -6.
Fixes: 857cc04cdf50 ("i2c: i801: Add helper i801_get_block_len")
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
---
drivers/i2c/busses/i2c-i801.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index a6861660cb8ca..79870dd7a0146 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -536,11 +536,12 @@ static int i801_block_transaction_by_block(struct i801_priv *priv,
if (read_write == I2C_SMBUS_READ ||
command == I2C_SMBUS_BLOCK_PROC_CALL) {
- status = i801_get_block_len(priv);
- if (status < 0)
+ len = i801_get_block_len(priv);
+ if (len < 0) {
+ status = len;
goto out;
+ }
- len = status;
data->block[0] = len;
inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
for (i = 0; i < len; i++)
--
GitLab
From c214ed2a4dda35b308b0b28eed804d7ae66401f9 Mon Sep 17 00:00:00 2001
From: Saurav Kashyap <skashyap@marvell.com>
Date: Fri, 15 Mar 2024 12:44:27 +0530
Subject: [PATCH 1572/2686] scsi: bnx2fc: Remove spin_lock_bh while releasing
resources after upload
The session resources are used by FW and driver when session is offloaded,
once session is uploaded these resources are not used. The lock is not
required as these fields won't be used any longer. The offload and upload
calls are sequential, hence lock is not required.
This will suppress following BUG_ON():
[ 449.843143] ------------[ cut here ]------------
[ 449.848302] kernel BUG at mm/vmalloc.c:2727!
[ 449.853072] invalid opcode: 0000 [#1] PREEMPT SMP PTI
[ 449.858712] CPU: 5 PID: 1996 Comm: kworker/u24:2 Not tainted 5.14.0-118.el9.x86_64 #1
Rebooting.
[ 449.867454] Hardware name: Dell Inc. PowerEdge R730/0WCJNT, BIOS 2.3.4 11/08/2016
[ 449.876966] Workqueue: fc_rport_eq fc_rport_work [libfc]
[ 449.882910] RIP: 0010:vunmap+0x2e/0x30
[ 449.887098] Code: 00 65 8b 05 14 a2 f0 4a a9 00 ff ff 00 75 1b 55 48 89 fd e8 34 36 79 00 48 85 ed 74 0b 48 89 ef 31 f6 5d e9 14 fc ff ff 5d c3 <0f> 0b 0f 1f 44 00 00 41 57 41 56 49 89 ce 41 55 49 89 fd 41 54 41
[ 449.908054] RSP: 0018:ffffb83d878b3d68 EFLAGS: 00010206
[ 449.913887] RAX: 0000000080000201 RBX: ffff8f4355133550 RCX: 000000000d400005
[ 449.921843] RDX: 0000000000000001 RSI: 0000000000001000 RDI: ffffb83da53f5000
[ 449.929808] RBP: ffff8f4ac6675800 R08: ffffb83d878b3d30 R09: 00000000000efbdf
[ 449.937774] R10: 0000000000000003 R11: ffff8f434573e000 R12: 0000000000001000
[ 449.945736] R13: 0000000000001000 R14: ffffb83da53f5000 R15: ffff8f43d4ea3ae0
[ 449.953701] FS: 0000000000000000(0000) GS:ffff8f529fc80000(0000) knlGS:0000000000000000
[ 449.962732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 449.969138] CR2: 00007f8cf993e150 CR3: 0000000efbe10003 CR4: 00000000003706e0
[ 449.977102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 449.985065] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 449.993028] Call Trace:
[ 449.995756] __iommu_dma_free+0x96/0x100
[ 450.000139] bnx2fc_free_session_resc+0x67/0x240 [bnx2fc]
[ 450.006171] bnx2fc_upload_session+0xce/0x100 [bnx2fc]
[ 450.011910] bnx2fc_rport_event_handler+0x9f/0x240 [bnx2fc]
[ 450.018136] fc_rport_work+0x103/0x5b0 [libfc]
[ 450.023103] process_one_work+0x1e8/0x3c0
[ 450.027581] worker_thread+0x50/0x3b0
[ 450.031669] ? rescuer_thread+0x370/0x370
[ 450.036143] kthread+0x149/0x170
[ 450.039744] ? set_kthread_struct+0x40/0x40
[ 450.044411] ret_from_fork+0x22/0x30
[ 450.048404] Modules linked in: vfat msdos fat xfs nfs_layout_nfsv41_files rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver dm_service_time qedf qed crc8 bnx2fc libfcoe libfc scsi_transport_fc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp dcdbas rapl intel_cstate intel_uncore mei_me pcspkr mei ipmi_ssif lpc_ich ipmi_si fuse zram ext4 mbcache jbd2 loop nfsv3 nfs_acl nfs lockd grace fscache netfs irdma ice sd_mod t10_pi sg ib_uverbs ib_core 8021q garp mrp stp llc mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt mxm_wmi fb_sys_fops cec crct10dif_pclmul ahci crc32_pclmul bnx2x drm ghash_clmulni_intel libahci rfkill i40e libata megaraid_sas mdio wmi sunrpc lrw dm_crypt dm_round_robin dm_multipath dm_snapshot dm_bufio dm_mirror dm_region_hash dm_log dm_zero dm_mod linear raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx raid6_pq libcrc32c crc32c_intel raid1 raid0 iscsi_ibft squashfs be2iscsi bnx2i cnic uio cxgb4i cxgb4 tls
[ 450.048497] libcxgbi libcxgb qla4xxx iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi edd ipmi_devintf ipmi_msghandler
[ 450.159753] ---[ end trace 712de2c57c64abc8 ]---
Reported-by: Guangwu Zhang <guazhang@redhat.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240315071427.31842-1-skashyap@marvell.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/bnx2fc/bnx2fc_tgt.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/scsi/bnx2fc/bnx2fc_tgt.c b/drivers/scsi/bnx2fc/bnx2fc_tgt.c
index 2c246e80c1c4d..d91659811eb3c 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_tgt.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_tgt.c
@@ -833,7 +833,6 @@ static void bnx2fc_free_session_resc(struct bnx2fc_hba *hba,
BNX2FC_TGT_DBG(tgt, "Freeing up session resources\n");
- spin_lock_bh(&tgt->cq_lock);
ctx_base_ptr = tgt->ctx_base;
tgt->ctx_base = NULL;
@@ -889,7 +888,6 @@ static void bnx2fc_free_session_resc(struct bnx2fc_hba *hba,
tgt->sq, tgt->sq_dma);
tgt->sq = NULL;
}
- spin_unlock_bh(&tgt->cq_lock);
if (ctx_base_ptr)
iounmap(ctx_base_ptr);
--
GitLab
From 9e81e329508576b499b5c47ab106b5fa45ce96d9 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 22 Mar 2024 13:58:25 +0100
Subject: [PATCH 1573/2686] irqchip/armada-370-xp: Suppress unused-function
warning
armada_370_xp_msi_reenable_percpu() is only defined when CONFIG_PCI_MSI is
enabled, and only called when SMP is enabled.
Without CONFIG_SMP, there are no callers, which results in a build time
warning instead:
drivers/irqchip/irq-armada-370-xp.c:319:13: error: 'armada_370_xp_msi_reenable_percpu' defined but not used [-Werror=unused-function]
319 | static void armada_370_xp_msi_reenable_percpu(void) {}
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Mark the function as __maybe_unused to avoid adding more complexity
to the #ifdefs.
Fixes: 8ca61cde32c1 ("irqchip/armada-370-xp: Enable MSI affinity configuration")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240322125838.901649-1-arnd@kernel.org
---
drivers/irqchip/irq-armada-370-xp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index a55528469278c..4b021a67bdfe4 100644
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -316,7 +316,7 @@ static int armada_370_xp_msi_init(struct device_node *node,
return 0;
}
#else
-static void armada_370_xp_msi_reenable_percpu(void) {}
+static __maybe_unused void armada_370_xp_msi_reenable_percpu(void) {}
static inline int armada_370_xp_msi_init(struct device_node *node,
phys_addr_t main_int_phys_base)
--
GitLab
From cc2699268152d8e0386a36fe7c9271d7e23668f2 Mon Sep 17 00:00:00 2001
From: Prasad Pandit <pjp@fedoraproject.org>
Date: Fri, 22 Mar 2024 17:18:19 +0530
Subject: [PATCH 1574/2686] dpll: indent DPLL option type by a tab
Indent config option type by a tab. It helps Kconfig parsers
to read file without error.
Fixes: 9431063ad323 ("dpll: core: Add DPLL framework base functions")
Signed-off-by: Prasad Pandit <pjp@fedoraproject.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240322114819.1801795-1-ppandit@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/dpll/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dpll/Kconfig b/drivers/dpll/Kconfig
index a4cae73f20d3d..20607ed542435 100644
--- a/drivers/dpll/Kconfig
+++ b/drivers/dpll/Kconfig
@@ -4,4 +4,4 @@
#
config DPLL
- bool
+ bool
--
GitLab
From afb373ff3f54c9d909efc7f810dc80a9742807b2 Mon Sep 17 00:00:00 2001
From: Alexandra Winter <wintera@linux.ibm.com>
Date: Thu, 21 Mar 2024 12:53:37 +0100
Subject: [PATCH 1575/2686] s390/qeth: handle deferred cc1
The IO subsystem expects a driver to retry a ccw_device_start, when the
subsequent interrupt response block (irb) contains a deferred
condition code 1.
Symptoms before this commit:
On the read channel we always trigger the next read anyhow, so no
different behaviour here.
On the write channel we may experience timeout errors, because the
expected reply will never be received without the retry.
Other callers of qeth_send_control_data() may wrongly assume that the ccw
was successful, which may cause problems later.
Note that since
commit 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers")
and
commit 5ef1dc40ffa6 ("s390/cio: fix invalid -EBUSY on ccw_device_start")
deferred CC1s are much more likely to occur. See the commit message of the
latter for more background information.
Fixes: 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers")
Signed-off-by: Alexandra Winter <wintera@linux.ibm.com>
Co-developed-by: Thorsten Winkler <twinkler@linux.ibm.com>
Signed-off-by: Thorsten Winkler <twinkler@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Link: https://lore.kernel.org/r/20240321115337.3564694-1-wintera@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/s390/net/qeth_core_main.c | 38 +++++++++++++++++++++++++++++--
1 file changed, 36 insertions(+), 2 deletions(-)
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index a0cce6872075d..f0b8b709649f2 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1179,6 +1179,20 @@ static int qeth_check_irb_error(struct qeth_card *card, struct ccw_device *cdev,
}
}
+/**
+ * qeth_irq() - qeth interrupt handler
+ * @cdev: ccw device
+ * @intparm: expect pointer to iob
+ * @irb: Interruption Response Block
+ *
+ * In the good path:
+ * corresponding qeth channel is locked with last used iob as active_cmd.
+ * But this function is also called for error interrupts.
+ *
+ * Caller ensures that:
+ * Interrupts are disabled; ccw device lock is held;
+ *
+ */
static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
struct irb *irb)
{
@@ -1220,11 +1234,10 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
iob = (struct qeth_cmd_buffer *) (addr_t)intparm;
}
- qeth_unlock_channel(card, channel);
-
rc = qeth_check_irb_error(card, cdev, irb);
if (rc) {
/* IO was terminated, free its resources. */
+ qeth_unlock_channel(card, channel);
if (iob)
qeth_cancel_cmd(iob, rc);
return;
@@ -1268,6 +1281,7 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
rc = qeth_get_problem(card, cdev, irb);
if (rc) {
card->read_or_write_problem = 1;
+ qeth_unlock_channel(card, channel);
if (iob)
qeth_cancel_cmd(iob, rc);
qeth_clear_ipacmd_list(card);
@@ -1276,6 +1290,26 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
}
}
+ if (scsw_cmd_is_valid_cc(&irb->scsw) && irb->scsw.cmd.cc == 1 && iob) {
+ /* channel command hasn't started: retry.
+ * active_cmd is still set to last iob
+ */
+ QETH_CARD_TEXT(card, 2, "irqcc1");
+ rc = ccw_device_start_timeout(cdev, __ccw_from_cmd(iob),
+ (addr_t)iob, 0, 0, iob->timeout);
+ if (rc) {
+ QETH_DBF_MESSAGE(2,
+ "ccw retry on %x failed, rc = %i\n",
+ CARD_DEVID(card), rc);
+ QETH_CARD_TEXT_(card, 2, " err%d", rc);
+ qeth_unlock_channel(card, channel);
+ qeth_cancel_cmd(iob, rc);
+ }
+ return;
+ }
+
+ qeth_unlock_channel(card, channel);
+
if (iob) {
/* sanity check: */
if (irb->scsw.cmd.count > iob->length) {
--
GitLab
From 3a38a829c8bc27d78552c28e582eb1d885d07d11 Mon Sep 17 00:00:00 2001
From: Claus Hansen Ries <chr@terma.com>
Date: Thu, 21 Mar 2024 13:08:59 +0000
Subject: [PATCH 1576/2686] net: ll_temac: platform_get_resource replaced by
wrong function
The function platform_get_resource was replaced with
devm_platform_ioremap_resource_byname and is called using 0 as name.
This eventually ends up in platform_get_resource_byname in the call
stack, where it causes a null pointer in strcmp.
if (type == resource_type(r) && !strcmp(r->name, name))
It should have been replaced with devm_platform_ioremap_resource.
Fixes: bd69058f50d5 ("net: ll_temac: Use devm_platform_ioremap_resource_byname()")
Signed-off-by: Claus Hansen Ries <chr@terma.com>
Cc: stable@vger.kernel.org
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/cca18f9c630a41c18487729770b492bb@terma.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/xilinx/ll_temac_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index 9df39cf8b0975..1072e2210aed3 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -1443,7 +1443,7 @@ static int temac_probe(struct platform_device *pdev)
}
/* map device registers */
- lp->regs = devm_platform_ioremap_resource_byname(pdev, 0);
+ lp->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(lp->regs)) {
dev_err(&pdev->dev, "could not map TEMAC registers\n");
return -ENOMEM;
--
GitLab
From b11c81731c810efe592e510bb0110e0db6877419 Mon Sep 17 00:00:00 2001
From: Ravi Gunasekaran <r-gunasekaran@ti.com>
Date: Fri, 22 Mar 2024 15:34:47 +0530
Subject: [PATCH 1577/2686] net: hsr: hsr_slave: Fix the promiscuous mode in
offload mode
commit e748d0fd66ab ("net: hsr: Disable promiscuous mode in
offload mode") disables promiscuous mode of slave devices
while creating an HSR interface. But while deleting the
HSR interface, it does not take care of it. It decreases the
promiscuous mode count, which eventually enables promiscuous
mode on the slave devices when creating HSR interface again.
Fix this by not decrementing the promiscuous mode count while
deleting the HSR interface when offload is enabled.
Fixes: e748d0fd66ab ("net: hsr: Disable promiscuous mode in offload mode")
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240322100447.27615-1-r-gunasekaran@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/hsr/hsr_slave.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/hsr/hsr_slave.c b/net/hsr/hsr_slave.c
index e5742f2a2d522..1b6457f357bdb 100644
--- a/net/hsr/hsr_slave.c
+++ b/net/hsr/hsr_slave.c
@@ -220,7 +220,8 @@ void hsr_del_port(struct hsr_port *port)
netdev_update_features(master->dev);
dev_set_mtu(master->dev, hsr_get_max_mtu(hsr));
netdev_rx_handler_unregister(port->dev);
- dev_set_promiscuity(port->dev, -1);
+ if (!port->hsr->fwd_offloaded)
+ dev_set_promiscuity(port->dev, -1);
netdev_upper_dev_unlink(port->dev, master->dev);
}
--
GitLab
From 151c9c724d05d5b0dd8acd3e11cb69ef1f2dbada Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Fri, 22 Mar 2024 13:57:32 +0000
Subject: [PATCH 1578/2686] tcp: properly terminate timers for kernel sockets
We had various syzbot reports about tcp timers firing after
the corresponding netns has been dismantled.
Fortunately Josef Bacik could trigger the issue more often,
and could test a patch I wrote two years ago.
When TCP sockets are closed, we call inet_csk_clear_xmit_timers()
to 'stop' the timers.
inet_csk_clear_xmit_timers() can be called from any context,
including when socket lock is held.
This is the reason it uses sk_stop_timer(), aka del_timer().
This means that ongoing timers might finish much later.
For user sockets, this is fine because each running timer
holds a reference on the socket, and the user socket holds
a reference on the netns.
For kernel sockets, we risk that the netns is freed before
timer can complete, because kernel sockets do not hold
reference on the netns.
This patch adds inet_csk_clear_xmit_timers_sync() function
that using sk_stop_timer_sync() to make sure all timers
are terminated before the kernel socket is released.
Modules using kernel sockets close them in their netns exit()
handler.
Also add sock_not_owned_by_me() helper to get LOCKDEP
support : inet_csk_clear_xmit_timers_sync() must not be called
while socket lock is held.
It is very possible we can revert in the future commit
3a58f13a881e ("net: rds: acquire refcount on TCP sockets")
which attempted to solve the issue in rds only.
(net/smc/af_smc.c and net/mptcp/subflow.c have similar code)
We probably can remove the check_net() tests from
tcp_out_of_resources() and __tcp_close() in the future.
Reported-by: Josef Bacik <josef@toxicpanda.com>
Closes: https://lore.kernel.org/netdev/20240314210740.GA2823176@perftesting/
Fixes: 26abe14379f8 ("net: Modify sk_alloc to not reference count the netns of kernel sockets.")
Fixes: 8a68173691f0 ("net: sk_clone_lock() should only do get_net() if the parent is not a kernel socket")
Link: https://lore.kernel.org/bpf/CANn89i+484ffqb93aQm1N-tjxxvb3WDKX0EbD7318RwRgsatjw@mail.gmail.com/
Signed-off-by: Eric Dumazet <edumazet@google.com>
Tested-by: Josef Bacik <josef@toxicpanda.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Link: https://lore.kernel.org/r/20240322135732.1535772-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
include/net/inet_connection_sock.h | 1 +
include/net/sock.h | 7 +++++++
net/ipv4/inet_connection_sock.c | 14 ++++++++++++++
net/ipv4/tcp.c | 2 ++
4 files changed, 24 insertions(+)
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 9ab4bf704e864..ccf171f7eb60d 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -175,6 +175,7 @@ void inet_csk_init_xmit_timers(struct sock *sk,
void (*delack_handler)(struct timer_list *),
void (*keepalive_handler)(struct timer_list *));
void inet_csk_clear_xmit_timers(struct sock *sk);
+void inet_csk_clear_xmit_timers_sync(struct sock *sk);
static inline void inet_csk_schedule_ack(struct sock *sk)
{
diff --git a/include/net/sock.h b/include/net/sock.h
index b5e00702acc1f..f57bfd8a2ad2d 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1759,6 +1759,13 @@ static inline void sock_owned_by_me(const struct sock *sk)
#endif
}
+static inline void sock_not_owned_by_me(const struct sock *sk)
+{
+#ifdef CONFIG_LOCKDEP
+ WARN_ON_ONCE(lockdep_sock_is_held(sk) && debug_locks);
+#endif
+}
+
static inline bool sock_owned_by_user(const struct sock *sk)
{
sock_owned_by_me(sk);
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 7d8090f109ef4..c038e28e2f1e6 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -771,6 +771,20 @@ void inet_csk_clear_xmit_timers(struct sock *sk)
}
EXPORT_SYMBOL(inet_csk_clear_xmit_timers);
+void inet_csk_clear_xmit_timers_sync(struct sock *sk)
+{
+ struct inet_connection_sock *icsk = inet_csk(sk);
+
+ /* ongoing timer handlers need to acquire socket lock. */
+ sock_not_owned_by_me(sk);
+
+ icsk->icsk_pending = icsk->icsk_ack.pending = 0;
+
+ sk_stop_timer_sync(sk, &icsk->icsk_retransmit_timer);
+ sk_stop_timer_sync(sk, &icsk->icsk_delack_timer);
+ sk_stop_timer_sync(sk, &sk->sk_timer);
+}
+
void inet_csk_delete_keepalive_timer(struct sock *sk)
{
sk_stop_timer(sk, &sk->sk_timer);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index d20b62d521712..e767721b3a588 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2931,6 +2931,8 @@ void tcp_close(struct sock *sk, long timeout)
lock_sock(sk);
__tcp_close(sk, timeout);
release_sock(sk);
+ if (!sk->sk_net_refcnt)
+ inet_csk_clear_xmit_timers_sync(sk);
sock_put(sk);
}
EXPORT_SYMBOL(tcp_close);
--
GitLab
From 7d5a7dd5a35876f0ecc286f3602a88887a788217 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Mork?= <bjorn@mork.no>
Date: Fri, 22 Mar 2024 15:40:00 +0100
Subject: [PATCH 1579/2686] net: wwan: t7xx: Split 64bit accesses to fix
alignment issues
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Some of the registers are aligned on a 32bit boundary, causing
alignment faults on 64bit platforms.
Unable to handle kernel paging request at virtual address ffffffc084a1d004
Mem abort info:
ESR = 0x0000000096000061
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x21: alignment fault
Data abort info:
ISV = 0, ISS = 0x00000061, ISS2 = 0x00000000
CM = 0, WnR = 1, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
swapper pgtable: 4k pages, 39-bit VAs, pgdp=0000000046ad6000
[ffffffc084a1d004] pgd=100000013ffff003, p4d=100000013ffff003, pud=100000013ffff003, pmd=0068000020a00711
Internal error: Oops: 0000000096000061 [#1] SMP
Modules linked in: mtk_t7xx(+) qcserial pppoe ppp_async option nft_fib_inet nf_flow_table_inet mt7921u(O) mt7921s(O) mt7921e(O) mt7921_common(O) iwlmvm(O) iwldvm(O) usb_wwan rndis_host qmi_wwan pppox ppp_generic nft_reject_ipv6 nft_reject_ipv4 nft_reject_inet nft_reject nft_redir nft_quota nft_numgen nft_nat nft_masq nft_log nft_limit nft_hash nft_flow_offload nft_fib_ipv6 nft_fib_ipv4 nft_fib nft_ct nft_chain_nat nf_tables nf_nat nf_flow_table nf_conntrack mt7996e(O) mt792x_usb(O) mt792x_lib(O) mt7915e(O) mt76_usb(O) mt76_sdio(O) mt76_connac_lib(O) mt76(O) mac80211(O) iwlwifi(O) huawei_cdc_ncm cfg80211(O) cdc_ncm cdc_ether wwan usbserial usbnet slhc sfp rtc_pcf8563 nfnetlink nf_reject_ipv6 nf_reject_ipv4 nf_log_syslog nf_defrag_ipv6 nf_defrag_ipv4 mt6577_auxadc mdio_i2c libcrc32c compat(O) cdc_wdm cdc_acm at24 crypto_safexcel pwm_fan i2c_gpio i2c_smbus industrialio i2c_algo_bit i2c_mux_reg i2c_mux_pca954x i2c_mux_pca9541 i2c_mux_gpio i2c_mux dummy oid_registry tun sha512_arm64 sha1_ce sha1_generic seqiv
md5 geniv des_generic libdes cbc authencesn authenc leds_gpio xhci_plat_hcd xhci_pci xhci_mtk_hcd xhci_hcd nvme nvme_core gpio_button_hotplug(O) dm_mirror dm_region_hash dm_log dm_crypt dm_mod dax usbcore usb_common ptp aquantia pps_core mii tpm encrypted_keys trusted
CPU: 3 PID: 5266 Comm: kworker/u9:1 Tainted: G O 6.6.22 #0
Hardware name: Bananapi BPI-R4 (DT)
Workqueue: md_hk_wq t7xx_fsm_uninit [mtk_t7xx]
pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : t7xx_cldma_hw_set_start_addr+0x1c/0x3c [mtk_t7xx]
lr : t7xx_cldma_start+0xac/0x13c [mtk_t7xx]
sp : ffffffc085d63d30
x29: ffffffc085d63d30 x28: 0000000000000000 x27: 0000000000000000
x26: 0000000000000000 x25: ffffff80c804f2c0 x24: ffffff80ca196c05
x23: 0000000000000000 x22: ffffff80c814b9b8 x21: ffffff80c814b128
x20: 0000000000000001 x19: ffffff80c814b080 x18: 0000000000000014
x17: 0000000055c9806b x16: 000000007c5296d0 x15: 000000000f6bca68
x14: 00000000dbdbdce4 x13: 000000001aeaf72a x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
x8 : ffffff80ca1ef6b4 x7 : ffffff80c814b818 x6 : 0000000000000018
x5 : 0000000000000870 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 000000010a947000 x1 : ffffffc084a1d004 x0 : ffffffc084a1d004
Call trace:
t7xx_cldma_hw_set_start_addr+0x1c/0x3c [mtk_t7xx]
t7xx_fsm_uninit+0x578/0x5ec [mtk_t7xx]
process_one_work+0x154/0x2a0
worker_thread+0x2ac/0x488
kthread+0xe0/0xec
ret_from_fork+0x10/0x20
Code: f9400800 91001000 8b214001 d50332bf (f9000022)
---[ end trace 0000000000000000 ]---
The inclusion of io-64-nonatomic-lo-hi.h indicates that all 64bit
accesses can be replaced by pairs of nonatomic 32bit access. Fix
alignment by forcing all accesses to be 32bit on 64bit platforms.
Link: https://forum.openwrt.org/t/fibocom-fm350-gl-support/142682/72
Fixes: 39d439047f1d ("net: wwan: t7xx: Add control DMA interface")
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Reviewed-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Tested-by: Liviu Dudau <liviu@dudau.co.uk>
Link: https://lore.kernel.org/r/20240322144000.1683822-1-bjorn@mork.no
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/wwan/t7xx/t7xx_cldma.c | 4 ++--
drivers/net/wwan/t7xx/t7xx_hif_cldma.c | 9 +++++----
drivers/net/wwan/t7xx/t7xx_pcie_mac.c | 8 ++++----
3 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/drivers/net/wwan/t7xx/t7xx_cldma.c b/drivers/net/wwan/t7xx/t7xx_cldma.c
index 9f43f256db1d0..f0a4783baf1f3 100644
--- a/drivers/net/wwan/t7xx/t7xx_cldma.c
+++ b/drivers/net/wwan/t7xx/t7xx_cldma.c
@@ -106,7 +106,7 @@ bool t7xx_cldma_tx_addr_is_set(struct t7xx_cldma_hw *hw_info, unsigned int qno)
{
u32 offset = REG_CLDMA_UL_START_ADDRL_0 + qno * ADDR_SIZE;
- return ioread64(hw_info->ap_pdn_base + offset);
+ return ioread64_lo_hi(hw_info->ap_pdn_base + offset);
}
void t7xx_cldma_hw_set_start_addr(struct t7xx_cldma_hw *hw_info, unsigned int qno, u64 address,
@@ -117,7 +117,7 @@ void t7xx_cldma_hw_set_start_addr(struct t7xx_cldma_hw *hw_info, unsigned int qn
reg = tx_rx == MTK_RX ? hw_info->ap_ao_base + REG_CLDMA_DL_START_ADDRL_0 :
hw_info->ap_pdn_base + REG_CLDMA_UL_START_ADDRL_0;
- iowrite64(address, reg + offset);
+ iowrite64_lo_hi(address, reg + offset);
}
void t7xx_cldma_hw_resume_queue(struct t7xx_cldma_hw *hw_info, unsigned int qno,
diff --git a/drivers/net/wwan/t7xx/t7xx_hif_cldma.c b/drivers/net/wwan/t7xx/t7xx_hif_cldma.c
index abc41a7089fa4..97163e1e5783e 100644
--- a/drivers/net/wwan/t7xx/t7xx_hif_cldma.c
+++ b/drivers/net/wwan/t7xx/t7xx_hif_cldma.c
@@ -137,8 +137,9 @@ static int t7xx_cldma_gpd_rx_from_q(struct cldma_queue *queue, int budget, bool
return -ENODEV;
}
- gpd_addr = ioread64(hw_info->ap_pdn_base + REG_CLDMA_DL_CURRENT_ADDRL_0 +
- queue->index * sizeof(u64));
+ gpd_addr = ioread64_lo_hi(hw_info->ap_pdn_base +
+ REG_CLDMA_DL_CURRENT_ADDRL_0 +
+ queue->index * sizeof(u64));
if (req->gpd_addr == gpd_addr || hwo_polling_count++ >= 100)
return 0;
@@ -316,8 +317,8 @@ static void t7xx_cldma_txq_empty_hndl(struct cldma_queue *queue)
struct t7xx_cldma_hw *hw_info = &md_ctrl->hw_info;
/* Check current processing TGPD, 64-bit address is in a table by Q index */
- ul_curr_addr = ioread64(hw_info->ap_pdn_base + REG_CLDMA_UL_CURRENT_ADDRL_0 +
- queue->index * sizeof(u64));
+ ul_curr_addr = ioread64_lo_hi(hw_info->ap_pdn_base + REG_CLDMA_UL_CURRENT_ADDRL_0 +
+ queue->index * sizeof(u64));
if (req->gpd_addr != ul_curr_addr) {
spin_unlock_irqrestore(&md_ctrl->cldma_lock, flags);
dev_err(md_ctrl->dev, "CLDMA%d queue %d is not empty\n",
diff --git a/drivers/net/wwan/t7xx/t7xx_pcie_mac.c b/drivers/net/wwan/t7xx/t7xx_pcie_mac.c
index 76da4c15e3de1..f071ec7ff23d5 100644
--- a/drivers/net/wwan/t7xx/t7xx_pcie_mac.c
+++ b/drivers/net/wwan/t7xx/t7xx_pcie_mac.c
@@ -75,7 +75,7 @@ static void t7xx_pcie_mac_atr_tables_dis(void __iomem *pbase, enum t7xx_atr_src_
for (i = 0; i < ATR_TABLE_NUM_PER_ATR; i++) {
offset = ATR_PORT_OFFSET * port + ATR_TABLE_OFFSET * i;
reg = pbase + ATR_PCIE_WIN0_T0_ATR_PARAM_SRC_ADDR + offset;
- iowrite64(0, reg);
+ iowrite64_lo_hi(0, reg);
}
}
@@ -112,17 +112,17 @@ static int t7xx_pcie_mac_atr_cfg(struct t7xx_pci_dev *t7xx_dev, struct t7xx_atr_
reg = pbase + ATR_PCIE_WIN0_T0_TRSL_ADDR + offset;
value = cfg->trsl_addr & ATR_PCIE_WIN0_ADDR_ALGMT;
- iowrite64(value, reg);
+ iowrite64_lo_hi(value, reg);
reg = pbase + ATR_PCIE_WIN0_T0_TRSL_PARAM + offset;
iowrite32(cfg->trsl_id, reg);
reg = pbase + ATR_PCIE_WIN0_T0_ATR_PARAM_SRC_ADDR + offset;
value = (cfg->src_addr & ATR_PCIE_WIN0_ADDR_ALGMT) | (atr_size << 1) | BIT(0);
- iowrite64(value, reg);
+ iowrite64_lo_hi(value, reg);
/* Ensure ATR is set */
- ioread64(reg);
+ ioread64_lo_hi(reg);
return 0;
}
--
GitLab
From 8e936e98718f005c986be0bfa1ee6b355acf96be Mon Sep 17 00:00:00 2001
From: Anup Patel <apatel@ventanamicro.com>
Date: Thu, 21 Mar 2024 14:20:41 +0530
Subject: [PATCH 1580/2686] RISC-V: KVM: Fix APLIC in_clrip[x] read emulation
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The reads to APLIC in_clrip[x] registers returns rectified input values
of the interrupt sources.
A rectified input value of an interrupt source is defined by the section
"4.5.2 Source configurations (sourcecfg[1]–sourcecfg[1023])" of the
RISC-V AIA specification as:
rectified input value = (incoming wire value) XOR (source is inverted)
Update the riscv_aplic_input() implementation to match the above.
Cc: stable@vger.kernel.org
Fixes: 74967aa208e2 ("RISC-V: KVM: Add in-kernel emulation of AIA APLIC")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20240321085041.1955293-3-apatel@ventanamicro.com
---
arch/riscv/kvm/aia_aplic.c | 21 ++++++++++++++++++---
1 file changed, 18 insertions(+), 3 deletions(-)
diff --git a/arch/riscv/kvm/aia_aplic.c b/arch/riscv/kvm/aia_aplic.c
index 5e842b92dc461..b467ba5ed9100 100644
--- a/arch/riscv/kvm/aia_aplic.c
+++ b/arch/riscv/kvm/aia_aplic.c
@@ -197,16 +197,31 @@ static void aplic_write_enabled(struct aplic *aplic, u32 irq, bool enabled)
static bool aplic_read_input(struct aplic *aplic, u32 irq)
{
- bool ret;
- unsigned long flags;
+ u32 sourcecfg, sm, raw_input, irq_inverted;
struct aplic_irq *irqd;
+ unsigned long flags;
+ bool ret = false;
if (!irq || aplic->nr_irqs <= irq)
return false;
irqd = &aplic->irqs[irq];
raw_spin_lock_irqsave(&irqd->lock, flags);
- ret = (irqd->state & APLIC_IRQ_STATE_INPUT) ? true : false;
+
+ sourcecfg = irqd->sourcecfg;
+ if (sourcecfg & APLIC_SOURCECFG_D)
+ goto skip;
+
+ sm = sourcecfg & APLIC_SOURCECFG_SM_MASK;
+ if (sm == APLIC_SOURCECFG_SM_INACTIVE)
+ goto skip;
+
+ raw_input = (irqd->state & APLIC_IRQ_STATE_INPUT) ? 1 : 0;
+ irq_inverted = (sm == APLIC_SOURCECFG_SM_LEVEL_LOW ||
+ sm == APLIC_SOURCECFG_SM_EDGE_FALL) ? 1 : 0;
+ ret = !!(raw_input ^ irq_inverted);
+
+skip:
raw_spin_unlock_irqrestore(&irqd->lock, flags);
return ret;
--
GitLab
From d21f5a59ea773826cc489acb287811d690b703cc Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ardb@kernel.org>
Date: Sun, 24 Mar 2024 17:10:53 +0100
Subject: [PATCH 1581/2686] x86/efistub: Add missing boot_params for mixed mode
compat entry
The pure EFI stub entry point does not take a struct boot_params from
the boot loader, but creates it from scratch, and populates only the
fields that still have meaning in this context (command line, initrd
base and size, etc)
The original mixed mode implementation used the EFI handover protocol
instead, where the boot loader (i.e., GRUB) populates a boot_params
struct and passes it to a special Linux specific EFI entry point that
takes the boot_params pointer as its third argument.
When the new mixed mode implementation was introduced, using a special
32-bit PE entrypoint in the 64-bit kernel, it adopted the pure approach,
and relied on the EFI stub to create the struct boot_params. This is
preferred because it makes the bootloader side much easier to implement,
as it does not need any x86-specific knowledge on how struct boot_params
and struct setup_header are put together. This mixed mode implementation
was adopted by systemd-boot version 252 and later.
When commit
e2ab9eab324c ("x86/boot/compressed: Move 32-bit entrypoint code into .text section")
refactored this code and moved it out of head_64.S, the fact that ESI
was populated with the address of the base of the image was overlooked,
and to simplify the code flow, ESI is now zeroed and stored to memory
unconditionally in shared code, so that the NULL-ness of that variable
can still be used later to determine which mixed mode boot protocol is
in use.
With ESI pointing to the base of the image, it can serve as a struct
boot_params pointer for startup_32(), which only accesses the init_data
and kernel_alignment fields (and the scratch field as a temporary
stack). Zeroing ESI means that those accesses produce garbage now, even
though things appear to work if the first page of memory happens to be
zeroed, and the region right before LOAD_PHYSICAL_ADDR (== 16 MiB)
happens to be free.
The solution is to pass a special, temporary struct boot_params to
startup_32() via ESI, one that is sufficient for getting it to create
the page tables correctly and is discarded right after. This involves
setting a minimal alignment of 4k, only to get the statically allocated
page tables line up correctly, and setting init_size to the executable
image size (_end - startup_32). This ensures that the page tables are
covered by the static footprint of the PE image.
Given that EFI boot no longer calls the decompressor and no longer pads
the image to permit the decompressor to execute in place, the same
temporary struct boot_params should be used in the EFI handover protocol
based mixed mode implementation as well, to prevent the page tables from
being placed outside of allocated memory.
Fixes: e2ab9eab324c ("x86/boot/compressed: Move 32-bit entrypoint code into .text section")
Cc: <stable@kernel.org> # v6.1+
Closes: https://lore.kernel.org/all/20240321150510.GI8211@craftyguy.net/
Reported-by: Clayton Craft <clayton@craftyguy.net>
Tested-by: Clayton Craft <clayton@craftyguy.net>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
arch/x86/boot/compressed/efi_mixed.S | 20 +++++++++++++++-----
1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/arch/x86/boot/compressed/efi_mixed.S b/arch/x86/boot/compressed/efi_mixed.S
index 719e939050cbf..876fc6d46a131 100644
--- a/arch/x86/boot/compressed/efi_mixed.S
+++ b/arch/x86/boot/compressed/efi_mixed.S
@@ -15,10 +15,12 @@
*/
#include <linux/linkage.h>
+#include <asm/asm-offsets.h>
#include <asm/msr.h>
#include <asm/page_types.h>
#include <asm/processor-flags.h>
#include <asm/segment.h>
+#include <asm/setup.h>
.code64
.text
@@ -149,6 +151,7 @@ SYM_FUNC_END(__efi64_thunk)
SYM_FUNC_START(efi32_stub_entry)
call 1f
1: popl %ecx
+ leal (efi32_boot_args - 1b)(%ecx), %ebx
/* Clear BSS */
xorl %eax, %eax
@@ -163,6 +166,7 @@ SYM_FUNC_START(efi32_stub_entry)
popl %ecx
popl %edx
popl %esi
+ movl %esi, 8(%ebx)
jmp efi32_entry
SYM_FUNC_END(efi32_stub_entry)
#endif
@@ -239,8 +243,6 @@ SYM_FUNC_END(efi_enter32)
*
* Arguments: %ecx image handle
* %edx EFI system table pointer
- * %esi struct bootparams pointer (or NULL when not using
- * the EFI handover protocol)
*
* Since this is the point of no return for ordinary execution, no registers
* are considered live except for the function parameters. [Note that the EFI
@@ -266,9 +268,18 @@ SYM_FUNC_START_LOCAL(efi32_entry)
leal (efi32_boot_args - 1b)(%ebx), %ebx
movl %ecx, 0(%ebx)
movl %edx, 4(%ebx)
- movl %esi, 8(%ebx)
movb $0x0, 12(%ebx) // efi_is64
+ /*
+ * Allocate some memory for a temporary struct boot_params, which only
+ * needs the minimal pieces that startup_32() relies on.
+ */
+ subl $PARAM_SIZE, %esp
+ movl %esp, %esi
+ movl $PAGE_SIZE, BP_kernel_alignment(%esi)
+ movl $_end - 1b, BP_init_size(%esi)
+ subl $startup_32 - 1b, BP_init_size(%esi)
+
/* Disable paging */
movl %cr0, %eax
btrl $X86_CR0_PG_BIT, %eax
@@ -294,8 +305,7 @@ SYM_FUNC_START(efi32_pe_entry)
movl 8(%ebp), %ecx // image_handle
movl 12(%ebp), %edx // sys_table
- xorl %esi, %esi
- jmp efi32_entry // pass %ecx, %edx, %esi
+ jmp efi32_entry // pass %ecx, %edx
// no other registers remain live
2: popl %edi // restore callee-save registers
--
GitLab
From c7b2edd8377be983442c1344cb940cd2ac21b601 Mon Sep 17 00:00:00 2001
From: Sandipan Das <sandipan.das@amd.com>
Date: Mon, 25 Mar 2024 13:17:53 +0530
Subject: [PATCH 1582/2686] perf/x86/amd/core: Update and fix stalled-cycles-*
events for Zen 2 and later
AMD processors based on Zen 2 and later microarchitectures do not
support PMCx087 (instruction pipe stalls) which is used as the backing
event for "stalled-cycles-frontend" and "stalled-cycles-backend".
Use PMCx0A9 (cycles where micro-op queue is empty) instead to count
frontend stalls and remove the entry for backend stalls since there
is no direct replacement.
Signed-off-by: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Ian Rogers <irogers@google.com>
Fixes: 3fe3331bb285 ("perf/x86/amd: Add event map for AMD Family 17h")
Link: https://lore.kernel.org/r/03d7fc8fa2a28f9be732116009025bdec1b3ec97.1711352180.git.sandipan.das@amd.com
---
arch/x86/events/amd/core.c | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index 5692e827afef3..af8add6c11ea4 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -250,7 +250,7 @@ static const u64 amd_perfmon_event_map[PERF_COUNT_HW_MAX] =
/*
* AMD Performance Monitor Family 17h and later:
*/
-static const u64 amd_f17h_perfmon_event_map[PERF_COUNT_HW_MAX] =
+static const u64 amd_zen1_perfmon_event_map[PERF_COUNT_HW_MAX] =
{
[PERF_COUNT_HW_CPU_CYCLES] = 0x0076,
[PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0,
@@ -262,10 +262,24 @@ static const u64 amd_f17h_perfmon_event_map[PERF_COUNT_HW_MAX] =
[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = 0x0187,
};
+static const u64 amd_zen2_perfmon_event_map[PERF_COUNT_HW_MAX] =
+{
+ [PERF_COUNT_HW_CPU_CYCLES] = 0x0076,
+ [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0,
+ [PERF_COUNT_HW_CACHE_REFERENCES] = 0xff60,
+ [PERF_COUNT_HW_CACHE_MISSES] = 0x0964,
+ [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c2,
+ [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c3,
+ [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x00a9,
+};
+
static u64 amd_pmu_event_map(int hw_event)
{
- if (boot_cpu_data.x86 >= 0x17)
- return amd_f17h_perfmon_event_map[hw_event];
+ if (cpu_feature_enabled(X86_FEATURE_ZEN2) || boot_cpu_data.x86 >= 0x19)
+ return amd_zen2_perfmon_event_map[hw_event];
+
+ if (cpu_feature_enabled(X86_FEATURE_ZEN1))
+ return amd_zen1_perfmon_event_map[hw_event];
return amd_perfmon_event_map[hw_event];
}
--
GitLab
From 68cdf1e6e8f2ce78ed7d8f5d80844fd75a9c54ff Mon Sep 17 00:00:00 2001
From: Sandipan Das <sandipan.das@amd.com>
Date: Mon, 25 Mar 2024 13:17:54 +0530
Subject: [PATCH 1583/2686] perf/x86/amd/core: Define a proper ref-cycles event
for Zen 4 and later
Add the "ref-cycles" event for AMD processors based on Zen 4 and later
microarchitectures. The backing event is based on PMCx120 which counts
cycles not in halt state in P0 frequency (same as MPERF).
Signed-off-by: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/089155f19f7c7e65aeb1caa727a882e2ca9b8b04.1711352180.git.sandipan.das@amd.com
---
arch/x86/events/amd/core.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index af8add6c11ea4..985ef3b479191 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -273,8 +273,23 @@ static const u64 amd_zen2_perfmon_event_map[PERF_COUNT_HW_MAX] =
[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x00a9,
};
+static const u64 amd_zen4_perfmon_event_map[PERF_COUNT_HW_MAX] =
+{
+ [PERF_COUNT_HW_CPU_CYCLES] = 0x0076,
+ [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0,
+ [PERF_COUNT_HW_CACHE_REFERENCES] = 0xff60,
+ [PERF_COUNT_HW_CACHE_MISSES] = 0x0964,
+ [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c2,
+ [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c3,
+ [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x00a9,
+ [PERF_COUNT_HW_REF_CPU_CYCLES] = 0x100000120,
+};
+
static u64 amd_pmu_event_map(int hw_event)
{
+ if (cpu_feature_enabled(X86_FEATURE_ZEN4) || boot_cpu_data.x86 >= 0x1a)
+ return amd_zen4_perfmon_event_map[hw_event];
+
if (cpu_feature_enabled(X86_FEATURE_ZEN2) || boot_cpu_data.x86 >= 0x19)
return amd_zen2_perfmon_event_map[hw_event];
--
GitLab
From 5f563c31ff0c40ce395d0bae7daa94c7950dac97 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= <arinc.unal@arinc9.com>
Date: Wed, 20 Mar 2024 23:45:30 +0300
Subject: [PATCH 1584/2686] net: dsa: mt7530: fix improper frames on all 25MHz
and 40MHz XTAL MT7530
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The MT7530 switch after reset initialises with a core clock frequency that
works with a 25MHz XTAL connected to it. For 40MHz XTAL, the core clock
frequency must be set to 500MHz.
The mt7530_pll_setup() function is responsible of setting the core clock
frequency. Currently, it runs on MT7530 with 25MHz and 40MHz XTAL. This
causes MT7530 switch with 25MHz XTAL to egress and ingress frames
improperly.
Introduce a check to run it only on MT7530 with 40MHz XTAL.
The core clock frequency is set by writing to a switch PHY's register.
Access to the PHY's register is done via the MDIO bus the switch is also
on. Therefore, it works only when the switch makes switch PHYs listen on
the MDIO bus the switch is on. This is controlled either by the state of
the ESW_P1_LED_1 pin after reset deassertion or modifying bit 5 of the
modifiable trap register.
When ESW_P1_LED_1 is pulled high, PHY indirect access is used. That means
accessing PHY registers via the PHY indirect access control register of the
switch.
When ESW_P1_LED_1 is pulled low, PHY direct access is used. That means
accessing PHY registers via the MDIO bus the switch is on.
For MT7530 switch with 40MHz XTAL on a board with ESW_P1_LED_1 pulled high,
the core clock frequency won't be set to 500MHz, causing the switch to
egress and ingress frames improperly.
Run mt7530_pll_setup() after PHY direct access is set on the modifiable
trap register.
With these two changes, all MT7530 switches with 25MHz and 40MHz, and
P1_LED_1 pulled high or low, will egress and ingress frames properly.
Link: https://github.com/BPI-SINOVOIP/BPI-R2-bsp/blob/4a5dd143f2172ec97a2872fa29c7c4cd520f45b5/linux-mt/drivers/net/ethernet/mediatek/gsw_mt7623.c#L1039
Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/20240320-for-net-mt7530-fix-25mhz-xtal-with-direct-phy-access-v1-1-d92f605f1160@arinc9.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/dsa/mt7530.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 767f66c37f6b5..1035820c2377a 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2268,8 +2268,6 @@ mt7530_setup(struct dsa_switch *ds)
SYS_CTRL_PHY_RST | SYS_CTRL_SW_RST |
SYS_CTRL_REG_RST);
- mt7530_pll_setup(priv);
-
/* Lower Tx driving for TRGMII path */
for (i = 0; i < NUM_TRGMII_CTRL; i++)
mt7530_write(priv, MT7530_TRGMII_TD_ODT(i),
@@ -2285,6 +2283,9 @@ mt7530_setup(struct dsa_switch *ds)
val |= MHWTRAP_MANUAL;
mt7530_write(priv, MT7530_MHWTRAP, val);
+ if ((val & HWTRAP_XTAL_MASK) == HWTRAP_XTAL_40MHZ)
+ mt7530_pll_setup(priv);
+
mt753x_trap_frames(priv);
/* Enable and reset MIB counters */
--
GitLab
From 905f7d53a1bc105b22d9ffd03dc11b6b42ec6ba6 Mon Sep 17 00:00:00 2001
From: Andy Yan <andy.yan@rock-chips.com>
Date: Mon, 4 Mar 2024 18:09:52 +0800
Subject: [PATCH 1585/2686] drm/rockchip: vop2: Remove AR30 and AB30 format
support
The Alpha blending for 30 bit RGB/BGR are not
functioning properly for rk3568/rk3588, so remove
it from the format list.
Fixes: bfd8a5c228fa ("drm/rockchip: vop2: Add more supported 10bit formats")
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20240304100952.3592984-1-andyshrk@163.com
---
drivers/gpu/drm/rockchip/rockchip_vop2_reg.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
index 48170694ac6b8..18efb3fe1c000 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
@@ -17,9 +17,7 @@
static const uint32_t formats_cluster[] = {
DRM_FORMAT_XRGB2101010,
- DRM_FORMAT_ARGB2101010,
DRM_FORMAT_XBGR2101010,
- DRM_FORMAT_ABGR2101010,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_XBGR8888,
--
GitLab
From e89c928bedd77d181edc2df01cb6672184775140 Mon Sep 17 00:00:00 2001
From: Oliver Upton <oliver.upton@linux.dev>
Date: Tue, 5 Mar 2024 18:48:39 +0000
Subject: [PATCH 1586/2686] KVM: arm64: Fix host-programmed guest events in
nVHE
Programming PMU events in the host that count during guest execution is
a feature supported by perf, e.g.
perf stat -e cpu_cycles:G ./lkvm run
While this works for VHE, the guest/host event bitmaps are not carried
through to the hypervisor in the nVHE configuration. Make
kvm_pmu_update_vcpu_events() conditional on whether or not _hardware_
supports PMUv3 rather than if the vCPU as vPMU enabled.
Cc: stable@vger.kernel.org
Fixes: 84d751a019a9 ("KVM: arm64: Pass pmu events to hyp via vcpu")
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240305184840.636212-3-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
include/kvm/arm_pmu.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h
index eb4c369a79eb3..35d4ca4f6122c 100644
--- a/include/kvm/arm_pmu.h
+++ b/include/kvm/arm_pmu.h
@@ -86,7 +86,7 @@ void kvm_vcpu_pmu_resync_el0(void);
*/
#define kvm_pmu_update_vcpu_events(vcpu) \
do { \
- if (!has_vhe() && kvm_vcpu_has_pmu(vcpu)) \
+ if (!has_vhe() && kvm_arm_support_pmu_v3()) \
vcpu->arch.pmu.events = *kvm_get_pmu_events(); \
} while (0)
--
GitLab
From f5fe0adeed6019df495497a64cb57d563ead2296 Mon Sep 17 00:00:00 2001
From: Wujie Duan <wjduan@linx-info.com>
Date: Mon, 18 Mar 2024 17:47:35 +0800
Subject: [PATCH 1587/2686] KVM: arm64: Fix out-of-IPA space translation fault
handling
Commit 11e5ea5242e3 ("KVM: arm64: Use helpers to classify exception
types reported via ESR") tried to abstract the translation fault
check when handling an out-of IPA space condition, but incorrectly
replaced it with a permission fault check.
Restore the previous translation fault check.
Fixes: 11e5ea5242e3 ("KVM: arm64: Use helpers to classify exception types reported via ESR")
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Wujie Duan <wjduan@linx-info.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/kvmarm/864jd3269g.wl-maz@kernel.org/
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
arch/arm64/kvm/mmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index 18680771cdb0e..dc04bc7678659 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -1637,7 +1637,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu)
fault_ipa = kvm_vcpu_get_fault_ipa(vcpu);
is_iabt = kvm_vcpu_trap_is_iabt(vcpu);
- if (esr_fsc_is_permission_fault(esr)) {
+ if (esr_fsc_is_translation_fault(esr)) {
/* Beyond sanitised PARange (which is the IPA limit) */
if (fault_ipa >= BIT_ULL(get_kvm_ipa_limit())) {
kvm_inject_size_fault(vcpu);
--
GitLab
From 29b0075ed61cda250449f556fbe007a5c469440c Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Thu, 14 Mar 2024 10:51:15 -0700
Subject: [PATCH 1588/2686] KVM: selftests: Fix __GUEST_ASSERT() format
warnings in ARM's arch timer test
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Use %x instead of %lx when printing uint32_t variables to fix format
warnings in ARM's arch timer test.
aarch64/arch_timer.c: In function ‘guest_run_stage’:
aarch64/arch_timer.c:138:33: warning: format ‘%lx’ expects argument of type ‘long unsigned int’,
but argument 6 has type ‘uint32_t’ {aka ‘unsigned int’} [-Wformat=]
138 | "config_iter + 1 = 0x%lx, irq_iter = 0x%lx.\n"
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
......
141 | config_iter + 1, irq_iter);
| ~~~~~~~~~~~~~~~
| |
| uint32_t {aka unsigned int}
Fixes: d1dafd065a23 ("KVM: arm64: selftests: Enable tuning of error margin in arch_timer test")
Signed-off-by: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/20240314175116.2366301-1-seanjc@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
tools/testing/selftests/kvm/aarch64/arch_timer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/kvm/aarch64/arch_timer.c b/tools/testing/selftests/kvm/aarch64/arch_timer.c
index ddba2c2fb5deb..93100b3f1312a 100644
--- a/tools/testing/selftests/kvm/aarch64/arch_timer.c
+++ b/tools/testing/selftests/kvm/aarch64/arch_timer.c
@@ -135,7 +135,7 @@ static void guest_run_stage(struct test_vcpu_shared_data *shared_data,
irq_iter = READ_ONCE(shared_data->nr_iter);
__GUEST_ASSERT(config_iter + 1 == irq_iter,
- "config_iter + 1 = 0x%lx, irq_iter = 0x%lx.\n"
+ "config_iter + 1 = 0x%x, irq_iter = 0x%x.\n"
" Guest timer interrupt was not trigged within the specified\n"
" interval, try to increase the error margin by [-e] option.\n",
config_iter + 1, irq_iter);
--
GitLab
From 502892bbd2021fbe20f0d702b6b0bae281a742fa Mon Sep 17 00:00:00 2001
From: Irui Wang <irui.wang@mediatek.com>
Date: Wed, 6 Mar 2024 10:12:23 +0800
Subject: [PATCH 1589/2686] media: mediatek: vcodec: Handle VP9 superframe
bitstream with 8 sub-frames
The VP9 bitstream uses superframes, which each contain 8 sub-frames,
enable accessing the last superframe by increasing the range of the index
vaidation as the maximum number of superframes is 8 and not 7, so that the
last sub-frame can be decoded normally with the stateful VP9 decoder.
Signed-off-by: Irui Wang <irui.wang@mediatek.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---
.../mediatek/vcodec/decoder/vdec/vdec_vp9_if.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c
index 55355fa700908..039082f600c81 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c
@@ -16,6 +16,7 @@
#include "../vdec_drv_base.h"
#include "../vdec_vpu_if.h"
+#define VP9_MAX_SUPER_FRAMES_NUM 8
#define VP9_SUPER_FRAME_BS_SZ 64
#define MAX_VP9_DPB_SIZE 9
@@ -133,11 +134,11 @@ struct vp9_sf_ref_fb {
*/
struct vdec_vp9_vsi {
unsigned char sf_bs_buf[VP9_SUPER_FRAME_BS_SZ];
- struct vp9_sf_ref_fb sf_ref_fb[VP9_MAX_FRM_BUF_NUM-1];
+ struct vp9_sf_ref_fb sf_ref_fb[VP9_MAX_SUPER_FRAMES_NUM];
int sf_next_ref_fb_idx;
unsigned int sf_frm_cnt;
- unsigned int sf_frm_offset[VP9_MAX_FRM_BUF_NUM-1];
- unsigned int sf_frm_sz[VP9_MAX_FRM_BUF_NUM-1];
+ unsigned int sf_frm_offset[VP9_MAX_SUPER_FRAMES_NUM];
+ unsigned int sf_frm_sz[VP9_MAX_SUPER_FRAMES_NUM];
unsigned int sf_frm_idx;
unsigned int sf_init;
struct vdec_fb fb;
@@ -526,7 +527,7 @@ static void vp9_swap_frm_bufs(struct vdec_vp9_inst *inst)
/* if this super frame and it is not last sub-frame, get next fb for
* sub-frame decode
*/
- if (vsi->sf_frm_cnt > 0 && vsi->sf_frm_idx != vsi->sf_frm_cnt - 1)
+ if (vsi->sf_frm_cnt > 0 && vsi->sf_frm_idx != vsi->sf_frm_cnt)
vsi->sf_next_ref_fb_idx = vp9_get_sf_ref_fb(inst);
}
@@ -735,7 +736,7 @@ static void get_free_fb(struct vdec_vp9_inst *inst, struct vdec_fb **out_fb)
static int validate_vsi_array_indexes(struct vdec_vp9_inst *inst,
struct vdec_vp9_vsi *vsi) {
- if (vsi->sf_frm_idx >= VP9_MAX_FRM_BUF_NUM - 1) {
+ if (vsi->sf_frm_idx > VP9_MAX_SUPER_FRAMES_NUM) {
mtk_vdec_err(inst->ctx, "Invalid vsi->sf_frm_idx=%u.", vsi->sf_frm_idx);
return -EIO;
}
--
GitLab
From 97c75ee5de060d271d80109b0c47cb6008439e5b Mon Sep 17 00:00:00 2001
From: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Date: Mon, 26 Feb 2024 16:19:52 -0500
Subject: [PATCH 1590/2686] media: mediatek: vcodec: Fix oops when HEVC init
fails
The stateless HEVC decoder saves the instance pointer in the context
regardless if the initialization worked or not. This caused a use after
free, when the pointer is freed in case of a failure in the deinit
function.
Only store the instance pointer when the initialization was successful,
to solve this issue.
Hardware name: Acer Tomato (rev3 - 4) board (DT)
pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : vcodec_vpu_send_msg+0x4c/0x190 [mtk_vcodec_dec]
lr : vcodec_send_ap_ipi+0x78/0x170 [mtk_vcodec_dec]
sp : ffff80008750bc20
x29: ffff80008750bc20 x28: ffff1299f6d70000 x27: 0000000000000000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: ffff80008750bc98 x22: 000000000000a003 x21: ffffd45c4cfae000
x20: 0000000000000010 x19: ffff1299fd668310 x18: 000000000000001a
x17: 000000040044ffff x16: ffffd45cb15dc648 x15: 0000000000000000
x14: ffff1299c08da1c0 x13: ffffd45cb1f87a10 x12: ffffd45cb2f5fe80
x11: 0000000000000001 x10: 0000000000001b30 x9 : ffffd45c4d12b488
x8 : 1fffe25339380d81 x7 : 0000000000000001 x6 : ffff1299c9c06c00
x5 : 0000000000000132 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000010 x1 : ffff80008750bc98 x0 : 0000000000000000
Call trace:
vcodec_vpu_send_msg+0x4c/0x190 [mtk_vcodec_dec]
vcodec_send_ap_ipi+0x78/0x170 [mtk_vcodec_dec]
vpu_dec_deinit+0x1c/0x30 [mtk_vcodec_dec]
vdec_hevc_slice_deinit+0x30/0x98 [mtk_vcodec_dec]
vdec_if_deinit+0x38/0x68 [mtk_vcodec_dec]
mtk_vcodec_dec_release+0x20/0x40 [mtk_vcodec_dec]
fops_vcodec_release+0x64/0x118 [mtk_vcodec_dec]
v4l2_release+0x7c/0x100
__fput+0x80/0x2d8
__fput_sync+0x58/0x70
__arm64_sys_close+0x40/0x90
invoke_syscall+0x50/0x128
el0_svc_common.constprop.0+0x48/0xf0
do_el0_svc+0x24/0x38
el0_svc+0x38/0xd8
el0t_64_sync_handler+0xc0/0xc8
el0t_64_sync+0x1a8/0x1b0
Code: d503201f f9401660 b900127f b900227f (f9400400)
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Fixes: 2674486aac7d ("media: mediatek: vcodec: support stateless hevc decoder")
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---
.../mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c
index 06ed47df693bf..21836dd6ef85a 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c
@@ -869,7 +869,6 @@ static int vdec_hevc_slice_init(struct mtk_vcodec_dec_ctx *ctx)
inst->vpu.codec_type = ctx->current_codec;
inst->vpu.capture_type = ctx->capture_fourcc;
- ctx->drv_handle = inst;
err = vpu_dec_init(&inst->vpu);
if (err) {
mtk_vdec_err(ctx, "vdec_hevc init err=%d", err);
@@ -898,6 +897,7 @@ static int vdec_hevc_slice_init(struct mtk_vcodec_dec_ctx *ctx)
mtk_vdec_debug(ctx, "lat hevc instance >> %p, codec_type = 0x%x",
inst, inst->vpu.codec_type);
+ ctx->drv_handle = inst;
return 0;
error_free_inst:
kfree(inst);
--
GitLab
From 6467cda18c9f9b5f2f9a0aa1e2861c653e41f382 Mon Sep 17 00:00:00 2001
From: Yunfei Dong <yunfei.dong@mediatek.com>
Date: Thu, 14 Mar 2024 20:30:08 +0800
Subject: [PATCH 1591/2686] media: mediatek: vcodec: adding lock to protect
decoder context list
Add a lock for the ctx_list, to avoid accessing a NULL pointer
within the 'vpu_dec_ipi_handler' function when the ctx_list has
been deleted due to an unexpected behavior on the SCP IP block.
Hardware name: Google juniper sku16 board (DT)
pstate: 20400005 (nzCv daif +PAN -UAO -TCO BTYPE=--)
pc : vpu_dec_ipi_handler+0x58/0x1f8 [mtk_vcodec_dec]
lr : scp_ipi_handler+0xd0/0x194 [mtk_scp]
sp : ffffffc0131dbbd0
x29: ffffffc0131dbbd0 x28: 0000000000000000
x27: ffffff9bb277f348 x26: ffffff9bb242ad00
x25: ffffffd2d440d3b8 x24: ffffffd2a13ff1d4
x23: ffffff9bb7fe85a0 x22: ffffffc0133fbdb0
x21: 0000000000000010 x20: ffffff9b050ea328
x19: ffffffc0131dbc08 x18: 0000000000001000
x17: 0000000000000000 x16: ffffffd2d461c6e0
x15: 0000000000000242 x14: 000000000000018f
x13: 000000000000004d x12: 0000000000000000
x11: 0000000000000001 x10: fffffffffffffff0
x9 : ffffff9bb6e793a8 x8 : 0000000000000000
x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : fffffffffffffff0
x3 : 0000000000000020 x2 : ffffff9bb6e79080
x1 : 0000000000000010 x0 : ffffffc0131dbc08
Call trace:
vpu_dec_ipi_handler+0x58/0x1f8 [mtk_vcodec_dec (HASH:6c3f 2)]
scp_ipi_handler+0xd0/0x194 [mtk_scp (HASH:7046 3)]
mt8183_scp_irq_handler+0x44/0x88 [mtk_scp (HASH:7046 3)]
scp_irq_handler+0x48/0x90 [mtk_scp (HASH:7046 3)]
irq_thread_fn+0x38/0x94
irq_thread+0x100/0x1c0
kthread+0x140/0x1fc
ret_from_fork+0x10/0x30
Code: 54000088 f94ca50a eb14015f 54000060 (f9400108)
---[ end trace ace43ce36cbd5c93 ]---
Kernel panic - not syncing: Oops: Fatal exception
SMP: stopping secondary CPUs
Kernel Offset: 0x12c4000000 from 0xffffffc010000000
PHYS_OFFSET: 0xffffffe580000000
CPU features: 0x08240002,2188200c
Memory Limit: none
Fixes: 655b86e52eac ("media: mediatek: vcodec: Fix possible invalid memory access for decoder")
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---
.../platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c | 4 ++--
.../platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c | 5 +++++
.../platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h | 2 ++
drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c | 2 ++
4 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c
index 4c34344dc7dcb..62cafe25fed94 100644
--- a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c
+++ b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c
@@ -50,12 +50,12 @@ static void mtk_vcodec_vpu_reset_dec_handler(void *priv)
dev_err(&dev->plat_dev->dev, "Watchdog timeout!!");
- mutex_lock(&dev->dev_mutex);
+ mutex_lock(&dev->dev_ctx_lock);
list_for_each_entry(ctx, &dev->ctx_list, list) {
ctx->state = MTK_STATE_ABORT;
mtk_v4l2_vdec_dbg(0, ctx, "[%d] Change to state MTK_STATE_ABORT", ctx->id);
}
- mutex_unlock(&dev->dev_mutex);
+ mutex_unlock(&dev->dev_ctx_lock);
}
static void mtk_vcodec_vpu_reset_enc_handler(void *priv)
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c
index f47c98faf068b..2073781ccadb1 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c
@@ -268,7 +268,9 @@ static int fops_vcodec_open(struct file *file)
ctx->dev->vdec_pdata->init_vdec_params(ctx);
+ mutex_lock(&dev->dev_ctx_lock);
list_add(&ctx->list, &dev->ctx_list);
+ mutex_unlock(&dev->dev_ctx_lock);
mtk_vcodec_dbgfs_create(ctx);
mutex_unlock(&dev->dev_mutex);
@@ -311,7 +313,9 @@ static int fops_vcodec_release(struct file *file)
v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
mtk_vcodec_dbgfs_remove(dev, ctx->id);
+ mutex_lock(&dev->dev_ctx_lock);
list_del_init(&ctx->list);
+ mutex_unlock(&dev->dev_ctx_lock);
kfree(ctx);
mutex_unlock(&dev->dev_mutex);
return 0;
@@ -404,6 +408,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
for (i = 0; i < MTK_VDEC_HW_MAX; i++)
mutex_init(&dev->dec_mutex[i]);
mutex_init(&dev->dev_mutex);
+ mutex_init(&dev->dev_ctx_lock);
spin_lock_init(&dev->irqlock);
snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name), "%s",
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h
index 849b89dd205c2..85b2c0d3d8bcd 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h
+++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h
@@ -241,6 +241,7 @@ struct mtk_vcodec_dec_ctx {
*
* @dec_mutex: decoder hardware lock
* @dev_mutex: video_device lock
+ * @dev_ctx_lock: the lock of context list
* @decode_workqueue: decode work queue
*
* @irqlock: protect data access by irq handler and work thread
@@ -282,6 +283,7 @@ struct mtk_vcodec_dec_dev {
/* decoder hardware mutex lock */
struct mutex dec_mutex[MTK_VDEC_HW_MAX];
struct mutex dev_mutex;
+ struct mutex dev_ctx_lock;
struct workqueue_struct *decode_workqueue;
spinlock_t irqlock;
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c
index 82e57ae983d55..da6be556727bb 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c
@@ -77,12 +77,14 @@ static bool vpu_dec_check_ap_inst(struct mtk_vcodec_dec_dev *dec_dev, struct vde
struct mtk_vcodec_dec_ctx *ctx;
int ret = false;
+ mutex_lock(&dec_dev->dev_ctx_lock);
list_for_each_entry(ctx, &dec_dev->ctx_list, list) {
if (!IS_ERR_OR_NULL(ctx) && ctx->vpu_inst == vpu) {
ret = true;
break;
}
}
+ mutex_unlock(&dec_dev->dev_ctx_lock);
return ret;
}
--
GitLab
From afaaf3a0f647a24a7bf6a2145d8ade37baaf75ad Mon Sep 17 00:00:00 2001
From: Yunfei Dong <yunfei.dong@mediatek.com>
Date: Thu, 14 Mar 2024 20:30:09 +0800
Subject: [PATCH 1592/2686] media: mediatek: vcodec: adding lock to protect
encoder context list
Add a lock for the ctx_list, to avoid accessing a NULL pointer
within the 'vpu_enc_ipi_handler' function when the ctx_list has
been deleted due to an unexpected behavior on the SCP IP block.
Fixes: 1972e32431ed ("media: mediatek: vcodec: Fix possible invalid memory access for encoder")
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---
.../platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c | 4 ++--
.../platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.c | 5 +++++
.../platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.h | 2 ++
drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c | 2 ++
4 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c
index 62cafe25fed94..d7027d600208f 100644
--- a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c
+++ b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c
@@ -65,12 +65,12 @@ static void mtk_vcodec_vpu_reset_enc_handler(void *priv)
dev_err(&dev->plat_dev->dev, "Watchdog timeout!!");
- mutex_lock(&dev->dev_mutex);
+ mutex_lock(&dev->dev_ctx_lock);
list_for_each_entry(ctx, &dev->ctx_list, list) {
ctx->state = MTK_STATE_ABORT;
mtk_v4l2_vdec_dbg(0, ctx, "[%d] Change to state MTK_STATE_ABORT", ctx->id);
}
- mutex_unlock(&dev->dev_mutex);
+ mutex_unlock(&dev->dev_ctx_lock);
}
static const struct mtk_vcodec_fw_ops mtk_vcodec_vpu_msg = {
diff --git a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.c b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.c
index 6319f24bc714b..3cb8a16222220 100644
--- a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.c
+++ b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.c
@@ -177,7 +177,9 @@ static int fops_vcodec_open(struct file *file)
mtk_v4l2_venc_dbg(2, ctx, "Create instance [%d]@%p m2m_ctx=%p ",
ctx->id, ctx, ctx->m2m_ctx);
+ mutex_lock(&dev->dev_ctx_lock);
list_add(&ctx->list, &dev->ctx_list);
+ mutex_unlock(&dev->dev_ctx_lock);
mutex_unlock(&dev->dev_mutex);
mtk_v4l2_venc_dbg(0, ctx, "%s encoder [%d]", dev_name(&dev->plat_dev->dev),
@@ -212,7 +214,9 @@ static int fops_vcodec_release(struct file *file)
v4l2_fh_exit(&ctx->fh);
v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
+ mutex_lock(&dev->dev_ctx_lock);
list_del_init(&ctx->list);
+ mutex_unlock(&dev->dev_ctx_lock);
kfree(ctx);
mutex_unlock(&dev->dev_mutex);
return 0;
@@ -294,6 +298,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
mutex_init(&dev->enc_mutex);
mutex_init(&dev->dev_mutex);
+ mutex_init(&dev->dev_ctx_lock);
spin_lock_init(&dev->irqlock);
snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name), "%s",
diff --git a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.h b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.h
index a042f607ed8d1..0bd85d0fb379a 100644
--- a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.h
+++ b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.h
@@ -178,6 +178,7 @@ struct mtk_vcodec_enc_ctx {
*
* @enc_mutex: encoder hardware lock.
* @dev_mutex: video_device lock
+ * @dev_ctx_lock: the lock of context list
* @encode_workqueue: encode work queue
*
* @enc_irq: h264 encoder irq resource
@@ -205,6 +206,7 @@ struct mtk_vcodec_enc_dev {
/* encoder hardware mutex lock */
struct mutex enc_mutex;
struct mutex dev_mutex;
+ struct mutex dev_ctx_lock;
struct workqueue_struct *encode_workqueue;
int enc_irq;
diff --git a/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c b/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c
index 84ad1cc6ad171..51bb7ee141b9e 100644
--- a/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c
+++ b/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c
@@ -47,12 +47,14 @@ static bool vpu_enc_check_ap_inst(struct mtk_vcodec_enc_dev *enc_dev, struct ven
struct mtk_vcodec_enc_ctx *ctx;
int ret = false;
+ mutex_lock(&enc_dev->dev_ctx_lock);
list_for_each_entry(ctx, &enc_dev->ctx_list, list) {
if (!IS_ERR_OR_NULL(ctx) && ctx->vpu_inst == vpu) {
ret = true;
break;
}
}
+ mutex_unlock(&enc_dev->dev_ctx_lock);
return ret;
}
--
GitLab
From d353c3c34af08cfd4eaafc8c55f664eacec274ee Mon Sep 17 00:00:00 2001
From: Yunfei Dong <yunfei.dong@mediatek.com>
Date: Wed, 6 Mar 2024 20:19:02 +0800
Subject: [PATCH 1593/2686] media: mediatek: vcodec: support 36 bits physical
address
The physical address on the MT8188 platform is larger than 32 bits,
change the type from unsigned int to dma_addr_t to be able to access
the high bits of the address.
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---
.../media/platform/mediatek/vcodec/decoder/vdec/vdec_vp8_if.c | 2 +-
.../mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp8_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp8_if.c
index 19407f9bc773c..987b3d71b662a 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp8_if.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp8_if.c
@@ -449,7 +449,7 @@ static int vdec_vp8_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
inst->frm_cnt, y_fb_dma, c_fb_dma, fb);
inst->cur_fb = fb;
- dec->bs_dma = (unsigned long)bs->dma_addr;
+ dec->bs_dma = (uint64_t)bs->dma_addr;
dec->bs_sz = bs->size;
dec->cur_y_fb_dma = y_fb_dma;
dec->cur_c_fb_dma = c_fb_dma;
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c
index cf48d09b78d7a..eea709d938209 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c
@@ -1074,7 +1074,7 @@ static int vdec_vp9_slice_setup_tile_buffer(struct vdec_vp9_slice_instance *inst
unsigned int mi_row;
unsigned int mi_col;
unsigned int offset;
- unsigned int pa;
+ dma_addr_t pa;
unsigned int size;
struct vdec_vp9_slice_tiles *tiles;
unsigned char *pos;
@@ -1109,7 +1109,7 @@ static int vdec_vp9_slice_setup_tile_buffer(struct vdec_vp9_slice_instance *inst
pos = va + offset;
end = va + bs->size;
/* truncated */
- pa = (unsigned int)bs->dma_addr + offset;
+ pa = bs->dma_addr + offset;
tb = instance->tile.va;
for (i = 0; i < rows; i++) {
for (j = 0; j < cols; j++) {
--
GitLab
From 3186b61812c007179f1852d8e63a0f0f7dd7c783 Mon Sep 17 00:00:00 2001
From: "Paul E. McKenney" <paulmck@kernel.org>
Date: Thu, 7 Mar 2024 17:32:15 -0800
Subject: [PATCH 1594/2686] x86/nmi: Upgrade NMI backtrace stall checks &
messages
The commit to improve NMI stall debuggability:
344da544f177 ("x86/nmi: Print reasons why backtrace NMIs are ignored")
... has shown value, but widespread use has also identified a few
opportunities for improvement.
The systems have (as usual) shown far more creativity than that commit's
author, demonstrating yet again that failing CPUs can do whatever they want.
In addition, the current message format is less friendly than one might
like to those attempting to use these messages to identify failing CPUs.
Therefore, separately flag CPUs that, during the full time that the
stack-backtrace request was waiting, were always in an NMI handler,
were never in an NMI handler, or exited one NMI handler.
Also, split the message identifying the CPU and the time since that CPU's
last NMI-related activity so that a single line identifies the CPU without
any other variable information, greatly reducing the processing overhead
required to identify repeat-offender CPUs.
Co-developed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/ab4d70c8-c874-42dc-b206-643018922393@paulmck-laptop
---
arch/x86/kernel/nmi.c | 24 ++++++++++++++----------
1 file changed, 14 insertions(+), 10 deletions(-)
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index 9a5b372c706fc..ed163c8c8604e 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -580,7 +580,7 @@ EXPORT_SYMBOL_GPL(asm_exc_nmi_kvm_vmx);
static char *nmi_check_stall_msg[] = {
/* */
-/* +--------- nsp->idt_seq_snap & 0x1: CPU is in NMI handler. */
+/* +--------- nmi_seq & 0x1: CPU is currently in NMI handler. */
/* | +------ cpu_is_offline(cpu) */
/* | | +--- nsp->idt_calls_snap != atomic_long_read(&nsp->idt_calls): */
/* | | | NMI handler has been invoked. */
@@ -628,22 +628,26 @@ void nmi_backtrace_stall_check(const struct cpumask *btp)
nmi_seq = READ_ONCE(nsp->idt_nmi_seq);
if (nsp->idt_nmi_seq_snap + 1 == nmi_seq && (nmi_seq & 0x1)) {
msgp = "CPU entered NMI handler function, but has not exited";
- } else if ((nsp->idt_nmi_seq_snap & 0x1) != (nmi_seq & 0x1)) {
- msgp = "CPU is handling NMIs";
- } else {
- idx = ((nsp->idt_seq_snap & 0x1) << 2) |
+ } else if (nsp->idt_nmi_seq_snap == nmi_seq ||
+ nsp->idt_nmi_seq_snap + 1 == nmi_seq) {
+ idx = ((nmi_seq & 0x1) << 2) |
(cpu_is_offline(cpu) << 1) |
(nsp->idt_calls_snap != atomic_long_read(&nsp->idt_calls));
msgp = nmi_check_stall_msg[idx];
if (nsp->idt_ignored_snap != READ_ONCE(nsp->idt_ignored) && (idx & 0x1))
modp = ", but OK because ignore_nmis was set";
- if (nmi_seq & 0x1)
- msghp = " (CPU currently in NMI handler function)";
- else if (nsp->idt_nmi_seq_snap + 1 == nmi_seq)
+ if (nsp->idt_nmi_seq_snap + 1 == nmi_seq)
msghp = " (CPU exited one NMI handler function)";
+ else if (nmi_seq & 0x1)
+ msghp = " (CPU currently in NMI handler function)";
+ else
+ msghp = " (CPU was never in an NMI handler function)";
+ } else {
+ msgp = "CPU is handling NMIs";
}
- pr_alert("%s: CPU %d: %s%s%s, last activity: %lu jiffies ago.\n",
- __func__, cpu, msgp, modp, msghp, j - READ_ONCE(nsp->recv_jiffies));
+ pr_alert("%s: CPU %d: %s%s%s\n", __func__, cpu, msgp, modp, msghp);
+ pr_alert("%s: last activity: %lu jiffies ago.\n",
+ __func__, j - READ_ONCE(nsp->recv_jiffies));
}
}
--
GitLab
From 4969d75dd9077e19e175e60f3c5a6c7653252e63 Mon Sep 17 00:00:00 2001
From: "Borislav Petkov (AMD)" <bp@alien8.de>
Date: Tue, 26 Mar 2024 10:47:14 +0100
Subject: [PATCH 1595/2686] x86/vdso: Fix rethunk patching for vdso-image-x32.o
too
In a similar fashion to
b388e57d4628 ("x86/vdso: Fix rethunk patching for vdso-image-{32,64}.o")
annotate vdso-image-x32.o too for objtool so that it gets annotated
properly and the unused return thunk warning doesn't fire.
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202403251454.23df6278-lkp@intel.com
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/202403251454.23df6278-lkp@intel.com
---
arch/x86/entry/vdso/Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index fd63051bbbbb8..3d64bcc403cfb 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -41,6 +41,7 @@ obj-$(CONFIG_X86_X32_ABI) += vdso-image-x32.o
obj-$(CONFIG_COMPAT_32) += vdso-image-32.o vdso32-setup.o
OBJECT_FILES_NON_STANDARD_vdso-image-32.o := n
+OBJECT_FILES_NON_STANDARD_vdso-image-x32.o := n
OBJECT_FILES_NON_STANDARD_vdso-image-64.o := n
OBJECT_FILES_NON_STANDARD_vdso32-setup.o := n
--
GitLab
From cd5432c712351a3d5f82512908f5febfca946ca6 Mon Sep 17 00:00:00 2001
From: Weitao Wang <WeitaoWang-oc@zhaoxin.com>
Date: Thu, 7 Mar 2024 02:08:14 +0800
Subject: [PATCH 1596/2686] USB: UAS: return ENODEV when submit urbs fail with
device not attached
In the scenario of entering hibernation with udisk in the system, if the
udisk was gone or resume fail in the thaw phase of hibernation. Its state
will be set to NOTATTACHED. At this point, usb_hub_wq was already freezed
and can't not handle disconnect event. Next, in the poweroff phase of
hibernation, SYNCHRONIZE_CACHE SCSI command will be sent to this udisk
when poweroff this scsi device, which will cause uas_submit_urbs to be
called to submit URB for sense/data/cmd pipe. However, these URBs will
submit fail as device was set to NOTATTACHED state. Then, uas_submit_urbs
will return a value SCSI_MLQUEUE_DEVICE_BUSY to the caller. That will lead
the SCSI layer go into an ugly loop and system fail to go into hibernation.
On the other hand, when we specially check for -ENODEV in function
uas_queuecommand_lck, returning DID_ERROR to SCSI layer will cause device
poweroff fail and system shutdown instead of entering hibernation.
To fix this issue, let uas_submit_urbs to return original generic error
when submitting URB failed. At the same time, we need to translate -ENODEV
to DID_NOT_CONNECT for the SCSI layer.
Suggested-by: Oliver Neukum <oneukum@suse.com>
Cc: stable@vger.kernel.org
Signed-off-by: Weitao Wang <WeitaoWang-oc@zhaoxin.com>
Link: https://lore.kernel.org/r/20240306180814.4897-1-WeitaoWang-oc@zhaoxin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/storage/uas.c | 28 +++++++++++++---------------
1 file changed, 13 insertions(+), 15 deletions(-)
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 71ace274761f1..08953f0d4532a 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -533,7 +533,7 @@ static struct urb *uas_alloc_cmd_urb(struct uas_dev_info *devinfo, gfp_t gfp,
* daft to me.
*/
-static struct urb *uas_submit_sense_urb(struct scsi_cmnd *cmnd, gfp_t gfp)
+static int uas_submit_sense_urb(struct scsi_cmnd *cmnd, gfp_t gfp)
{
struct uas_dev_info *devinfo = cmnd->device->hostdata;
struct urb *urb;
@@ -541,30 +541,28 @@ static struct urb *uas_submit_sense_urb(struct scsi_cmnd *cmnd, gfp_t gfp)
urb = uas_alloc_sense_urb(devinfo, gfp, cmnd);
if (!urb)
- return NULL;
+ return -ENOMEM;
usb_anchor_urb(urb, &devinfo->sense_urbs);
err = usb_submit_urb(urb, gfp);
if (err) {
usb_unanchor_urb(urb);
uas_log_cmd_state(cmnd, "sense submit err", err);
usb_free_urb(urb);
- return NULL;
}
- return urb;
+ return err;
}
static int uas_submit_urbs(struct scsi_cmnd *cmnd,
struct uas_dev_info *devinfo)
{
struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd);
- struct urb *urb;
int err;
lockdep_assert_held(&devinfo->lock);
if (cmdinfo->state & SUBMIT_STATUS_URB) {
- urb = uas_submit_sense_urb(cmnd, GFP_ATOMIC);
- if (!urb)
- return SCSI_MLQUEUE_DEVICE_BUSY;
+ err = uas_submit_sense_urb(cmnd, GFP_ATOMIC);
+ if (err)
+ return err;
cmdinfo->state &= ~SUBMIT_STATUS_URB;
}
@@ -572,7 +570,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
cmdinfo->data_in_urb = uas_alloc_data_urb(devinfo, GFP_ATOMIC,
cmnd, DMA_FROM_DEVICE);
if (!cmdinfo->data_in_urb)
- return SCSI_MLQUEUE_DEVICE_BUSY;
+ return -ENOMEM;
cmdinfo->state &= ~ALLOC_DATA_IN_URB;
}
@@ -582,7 +580,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
if (err) {
usb_unanchor_urb(cmdinfo->data_in_urb);
uas_log_cmd_state(cmnd, "data in submit err", err);
- return SCSI_MLQUEUE_DEVICE_BUSY;
+ return err;
}
cmdinfo->state &= ~SUBMIT_DATA_IN_URB;
cmdinfo->state |= DATA_IN_URB_INFLIGHT;
@@ -592,7 +590,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
cmdinfo->data_out_urb = uas_alloc_data_urb(devinfo, GFP_ATOMIC,
cmnd, DMA_TO_DEVICE);
if (!cmdinfo->data_out_urb)
- return SCSI_MLQUEUE_DEVICE_BUSY;
+ return -ENOMEM;
cmdinfo->state &= ~ALLOC_DATA_OUT_URB;
}
@@ -602,7 +600,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
if (err) {
usb_unanchor_urb(cmdinfo->data_out_urb);
uas_log_cmd_state(cmnd, "data out submit err", err);
- return SCSI_MLQUEUE_DEVICE_BUSY;
+ return err;
}
cmdinfo->state &= ~SUBMIT_DATA_OUT_URB;
cmdinfo->state |= DATA_OUT_URB_INFLIGHT;
@@ -611,7 +609,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
if (cmdinfo->state & ALLOC_CMD_URB) {
cmdinfo->cmd_urb = uas_alloc_cmd_urb(devinfo, GFP_ATOMIC, cmnd);
if (!cmdinfo->cmd_urb)
- return SCSI_MLQUEUE_DEVICE_BUSY;
+ return -ENOMEM;
cmdinfo->state &= ~ALLOC_CMD_URB;
}
@@ -621,7 +619,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
if (err) {
usb_unanchor_urb(cmdinfo->cmd_urb);
uas_log_cmd_state(cmnd, "cmd submit err", err);
- return SCSI_MLQUEUE_DEVICE_BUSY;
+ return err;
}
cmdinfo->cmd_urb = NULL;
cmdinfo->state &= ~SUBMIT_CMD_URB;
@@ -698,7 +696,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd)
* of queueing, no matter how fatal the error
*/
if (err == -ENODEV) {
- set_host_byte(cmnd, DID_ERROR);
+ set_host_byte(cmnd, DID_NO_CONNECT);
scsi_done(cmnd);
goto zombie;
}
--
GitLab
From 893cd9469c68a89a34956121685617dbb37497b1 Mon Sep 17 00:00:00 2001
From: Kyle Tso <kyletso@google.com>
Date: Mon, 11 Mar 2024 22:45:00 +0800
Subject: [PATCH 1597/2686] usb: typec: tcpm: Correct port source pdo array in
pd_set callback
In tcpm_pd_set, the array of port source capabilities is port->src_pdo,
not port->snk_pdo.
Fixes: cd099cde4ed2 ("usb: typec: tcpm: Support multiple capabilities")
Cc: stable@vger.kernel.org
Signed-off-by: Kyle Tso <kyletso@google.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240311144500.3694849-1-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index ae2b6c94482d5..d63a36b135495 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -6861,7 +6861,7 @@ static int tcpm_pd_set(struct typec_port *p, struct usb_power_delivery *pd)
if (data->source_desc.pdo[0]) {
for (i = 0; i < PDO_MAX_OBJECTS && data->source_desc.pdo[i]; i++)
- port->snk_pdo[i] = data->source_desc.pdo[i];
+ port->src_pdo[i] = data->source_desc.pdo[i];
port->nr_src_pdo = i + 1;
}
--
GitLab
From f5e9bda03aa50ffad36eccafe893d004ef213c43 Mon Sep 17 00:00:00 2001
From: Krishna Kurapati <quic_kriskura@quicinc.com>
Date: Fri, 1 Mar 2024 09:39:14 +0530
Subject: [PATCH 1598/2686] usb: typec: ucsi: Fix race between typec_switch and
role_switch
When orientation switch is enabled in ucsi glink, there is a xhci
probe failure seen when booting up in host mode in reverse
orientation.
During bootup the following things happen in multiple drivers:
a) DWC3 controller driver initializes the core in device mode when the
dr_mode is set to DRD. It relies on role_switch call to change role to
host.
b) QMP driver initializes the lanes to TYPEC_ORIENTATION_NORMAL as a
normal routine. It relies on the typec_switch_set call to get notified
of orientation changes.
c) UCSI core reads the UCSI_GET_CONNECTOR_STATUS via the glink and
provides initial role switch to dwc3 controller.
When booting up in host mode with orientation TYPEC_ORIENTATION_REVERSE,
then we see the following things happening in order:
a) UCSI gives initial role as host to dwc3 controller ucsi_register_port.
Upon receiving this notification, the dwc3 core needs to program GCTL from
PRTCAP_DEVICE to PRTCAP_HOST and as part of this change, it asserts GCTL
Core soft reset and waits for it to be completed before shifting it to
host. Only after the reset is done will the dwc3_host_init be invoked and
xhci is probed. DWC3 controller expects that the usb phy's are stable
during this process i.e., the phy init is already done.
b) During the 100ms wait for GCTL core soft reset, the actual notification
from PPM is received by ucsi_glink via pmic glink for changing role to
host. The pmic_glink_ucsi_notify routine first sends the orientation
change to QMP and then sends role to dwc3 via ucsi framework. This is
happening exactly at the time GCTL core soft reset is being processed.
c) When QMP driver receives typec switch to TYPEC_ORIENTATION_REVERSE, it
then re-programs the phy at the instant GCTL core soft reset has been
asserted by dwc3 controller due to which the QMP PLL lock fails in
qmp_combo_usb_power_on.
d) After the 100ms of GCTL core soft reset is completed, the dwc3 core
goes for initializing the host mode and invokes xhci probe. But at this
point the QMP is non-responsive and as a result, the xhci plat probe fails
during xhci_reset.
Fix this by passing orientation switch to available ucsi instances if
their gpio configuration is available before ucsi_register is invoked so
that by the time, the pmic_glink_ucsi_notify provides typec_switch to QMP,
the lane is already configured and the call would be a NOP thus not racing
with role switch.
Cc: stable@vger.kernel.org
Fixes: c6165ed2f425 ("usb: ucsi: glink: use the connector orientation GPIO to provide switch events")
Suggested-by: Wesley Cheng <quic_wcheng@quicinc.com>
Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240301040914.458492-1-quic_kriskura@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi_glink.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/usb/typec/ucsi/ucsi_glink.c b/drivers/usb/typec/ucsi/ucsi_glink.c
index 932e7bf694473..ce08eb33e5bec 100644
--- a/drivers/usb/typec/ucsi/ucsi_glink.c
+++ b/drivers/usb/typec/ucsi/ucsi_glink.c
@@ -255,6 +255,20 @@ static void pmic_glink_ucsi_notify(struct work_struct *work)
static void pmic_glink_ucsi_register(struct work_struct *work)
{
struct pmic_glink_ucsi *ucsi = container_of(work, struct pmic_glink_ucsi, register_work);
+ int orientation;
+ int i;
+
+ for (i = 0; i < PMIC_GLINK_MAX_PORTS; i++) {
+ if (!ucsi->port_orientation[i])
+ continue;
+ orientation = gpiod_get_value(ucsi->port_orientation[i]);
+
+ if (orientation >= 0) {
+ typec_switch_set(ucsi->port_switch[i],
+ orientation ? TYPEC_ORIENTATION_REVERSE
+ : TYPEC_ORIENTATION_NORMAL);
+ }
+ }
ucsi_register(ucsi->ucsi);
}
--
GitLab
From 7c9631969287a5366bc8e39cd5abff154b35fb80 Mon Sep 17 00:00:00 2001
From: Yongzhi Liu <hyperlyzcs@gmail.com>
Date: Mon, 11 Mar 2024 20:57:48 +0800
Subject: [PATCH 1599/2686] usb: misc: ljca: Fix double free in error handling
path
When auxiliary_device_add() returns error and then calls
auxiliary_device_uninit(), callback function ljca_auxdev_release
calls kfree(auxdev->dev.platform_data) to free the parameter data
of the function ljca_new_client_device. The callers of
ljca_new_client_device shouldn't call kfree() again
in the error handling path to free the platform data.
Fix this by cleaning up the redundant kfree() in all callers and
adding kfree() the passed in platform_data on errors which happen
before auxiliary_device_init() succeeds .
Fixes: acd6199f195d ("usb: Add support for Intel LJCA device")
Cc: stable <stable@kernel.org>
Signed-off-by: Yongzhi Liu <hyperlyzcs@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240311125748.28198-1-hyperlyzcs@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/misc/usb-ljca.c | 22 +++++++++-------------
1 file changed, 9 insertions(+), 13 deletions(-)
diff --git a/drivers/usb/misc/usb-ljca.c b/drivers/usb/misc/usb-ljca.c
index 35770e608c649..2d30fc1be3066 100644
--- a/drivers/usb/misc/usb-ljca.c
+++ b/drivers/usb/misc/usb-ljca.c
@@ -518,8 +518,10 @@ static int ljca_new_client_device(struct ljca_adapter *adap, u8 type, u8 id,
int ret;
client = kzalloc(sizeof *client, GFP_KERNEL);
- if (!client)
+ if (!client) {
+ kfree(data);
return -ENOMEM;
+ }
client->type = type;
client->id = id;
@@ -535,8 +537,10 @@ static int ljca_new_client_device(struct ljca_adapter *adap, u8 type, u8 id,
auxdev->dev.release = ljca_auxdev_release;
ret = auxiliary_device_init(auxdev);
- if (ret)
+ if (ret) {
+ kfree(data);
goto err_free;
+ }
ljca_auxdev_acpi_bind(adap, auxdev, adr, id);
@@ -590,12 +594,8 @@ static int ljca_enumerate_gpio(struct ljca_adapter *adap)
valid_pin[i] = get_unaligned_le32(&desc->bank_desc[i].valid_pins);
bitmap_from_arr32(gpio_info->valid_pin_map, valid_pin, gpio_num);
- ret = ljca_new_client_device(adap, LJCA_CLIENT_GPIO, 0, "ljca-gpio",
+ return ljca_new_client_device(adap, LJCA_CLIENT_GPIO, 0, "ljca-gpio",
gpio_info, LJCA_GPIO_ACPI_ADR);
- if (ret)
- kfree(gpio_info);
-
- return ret;
}
static int ljca_enumerate_i2c(struct ljca_adapter *adap)
@@ -629,10 +629,8 @@ static int ljca_enumerate_i2c(struct ljca_adapter *adap)
ret = ljca_new_client_device(adap, LJCA_CLIENT_I2C, i,
"ljca-i2c", i2c_info,
LJCA_I2C1_ACPI_ADR + i);
- if (ret) {
- kfree(i2c_info);
+ if (ret)
return ret;
- }
}
return 0;
@@ -669,10 +667,8 @@ static int ljca_enumerate_spi(struct ljca_adapter *adap)
ret = ljca_new_client_device(adap, LJCA_CLIENT_SPI, i,
"ljca-spi", spi_info,
LJCA_SPI1_ACPI_ADR + i);
- if (ret) {
- kfree(spi_info);
+ if (ret)
return ret;
- }
}
return 0;
--
GitLab
From b63f90487bdf93a4223ce7853d14717e9d452856 Mon Sep 17 00:00:00 2001
From: Xu Yang <xu.yang_2@nxp.com>
Date: Mon, 11 Mar 2024 14:52:19 +0800
Subject: [PATCH 1600/2686] usb: typec: tcpm: fix double-free issue in
tcpm_port_unregister_pd()
When unregister pd capabilitie in tcpm, KASAN will capture below double
-free issue. The root cause is the same capabilitiy will be kfreed twice,
the first time is kfreed by pd_capabilities_release() and the second time
is explicitly kfreed by tcpm_port_unregister_pd().
[ 3.988059] BUG: KASAN: double-free in tcpm_port_unregister_pd+0x1a4/0x3dc
[ 3.995001] Free of addr ffff0008164d3000 by task kworker/u16:0/10
[ 4.001206]
[ 4.002712] CPU: 2 PID: 10 Comm: kworker/u16:0 Not tainted 6.8.0-rc5-next-20240220-05616-g52728c567a55 #53
[ 4.012402] Hardware name: Freescale i.MX8QXP MEK (DT)
[ 4.017569] Workqueue: events_unbound deferred_probe_work_func
[ 4.023456] Call trace:
[ 4.025920] dump_backtrace+0x94/0xec
[ 4.029629] show_stack+0x18/0x24
[ 4.032974] dump_stack_lvl+0x78/0x90
[ 4.036675] print_report+0xfc/0x5c0
[ 4.040289] kasan_report_invalid_free+0xa0/0xc0
[ 4.044937] __kasan_slab_free+0x124/0x154
[ 4.049072] kfree+0xb4/0x1e8
[ 4.052069] tcpm_port_unregister_pd+0x1a4/0x3dc
[ 4.056725] tcpm_register_port+0x1dd0/0x2558
[ 4.061121] tcpci_register_port+0x420/0x71c
[ 4.065430] tcpci_probe+0x118/0x2e0
To fix the issue, this will remove kree() from tcpm_port_unregister_pd().
Fixes: cd099cde4ed2 ("usb: typec: tcpm: Support multiple capabilities")
cc: stable@vger.kernel.org
Suggested-by: Aisheng Dong <aisheng.dong@nxp.com>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240311065219.777037-1-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpm.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index d63a36b135495..64cbcab6f46ad 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -6943,9 +6943,7 @@ static void tcpm_port_unregister_pd(struct tcpm_port *port)
port->port_source_caps = NULL;
for (i = 0; i < port->pd_count; i++) {
usb_power_delivery_unregister_capabilities(port->pd_list[i]->sink_cap);
- kfree(port->pd_list[i]->sink_cap);
usb_power_delivery_unregister_capabilities(port->pd_list[i]->source_cap);
- kfree(port->pd_list[i]->source_cap);
devm_kfree(port->dev, port->pd_list[i]);
port->pd_list[i] = NULL;
usb_power_delivery_unregister(port->pds[i]);
--
GitLab
From 17af5050dead6cbcca12c1fcd17e0bb8bb284eae Mon Sep 17 00:00:00 2001
From: Kyle Tso <kyletso@google.com>
Date: Tue, 12 Mar 2024 01:23:06 +0800
Subject: [PATCH 1601/2686] usb: typec: tcpm: Update PD of Type-C port upon
pd_set
The PD of Type-C port needs to be updated in pd_set. Unlink the Type-C
port device to the old PD before linking it to a new one.
Fixes: cd099cde4ed2 ("usb: typec: tcpm: Support multiple capabilities")
Cc: stable@vger.kernel.org
Signed-off-by: Kyle Tso <kyletso@google.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240311172306.3911309-1-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 64cbcab6f46ad..c26fb70c3ec6c 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -6910,7 +6910,9 @@ static int tcpm_pd_set(struct typec_port *p, struct usb_power_delivery *pd)
port->port_source_caps = data->source_cap;
port->port_sink_caps = data->sink_cap;
+ typec_port_set_usb_power_delivery(p, NULL);
port->selected_pd = pd;
+ typec_port_set_usb_power_delivery(p, port->selected_pd);
unlock:
mutex_unlock(&port->lock);
return ret;
--
GitLab
From 80ba43e9f799cbdd83842fc27db667289b3150f5 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 12 Mar 2024 11:48:23 -0400
Subject: [PATCH 1602/2686] USB: core: Fix deadlock in
usb_deauthorize_interface()
Among the attribute file callback routines in
drivers/usb/core/sysfs.c, the interface_authorized_store() function is
the only one which acquires a device lock on an ancestor device: It
calls usb_deauthorize_interface(), which locks the interface's parent
USB device.
The will lead to deadlock if another process already owns that lock
and tries to remove the interface, whether through a configuration
change or because the device has been disconnected. As part of the
removal procedure, device_del() waits for all ongoing sysfs attribute
callbacks to complete. But usb_deauthorize_interface() can't complete
until the device lock has been released, and the lock won't be
released until the removal has finished.
The mechanism provided by sysfs to prevent this kind of deadlock is
to use the sysfs_break_active_protection() function, which tells sysfs
not to wait for the attribute callback.
Reported-and-tested by: Yue Sun <samsun1006219@gmail.com>
Reported by: xingwei lee <xrivendell7@gmail.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/linux-usb/CAEkJfYO6jRVC8Tfrd_R=cjO0hguhrV31fDPrLrNOOHocDkPoAA@mail.gmail.com/#r
Fixes: 310d2b4124c0 ("usb: interface authorization: SysFS part of USB interface authorization")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/1c37eea1-9f56-4534-b9d8-b443438dc869@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/sysfs.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index f98263e21c2a7..d83231d6736ac 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -1217,14 +1217,24 @@ static ssize_t interface_authorized_store(struct device *dev,
{
struct usb_interface *intf = to_usb_interface(dev);
bool val;
+ struct kernfs_node *kn;
if (kstrtobool(buf, &val) != 0)
return -EINVAL;
- if (val)
+ if (val) {
usb_authorize_interface(intf);
- else
- usb_deauthorize_interface(intf);
+ } else {
+ /*
+ * Prevent deadlock if another process is concurrently
+ * trying to unregister intf.
+ */
+ kn = sysfs_break_active_protection(&dev->kobj, &attr->attr);
+ if (kn) {
+ usb_deauthorize_interface(intf);
+ sysfs_unbreak_active_protection(kn);
+ }
+ }
return count;
}
--
GitLab
From 0493e739ccc60a3e0870847f1a12d6d79b86a1fc Mon Sep 17 00:00:00 2001
From: Jason Gunthorpe <jgg@nvidia.com>
Date: Mon, 4 Mar 2024 15:50:08 -0400
Subject: [PATCH 1603/2686] iommu/arm-smmu-v3: Add cpu_to_le64() around
STRTAB_STE_0_V
STRTAB_STE_0_V is a CPU value, it needs conversion for sparse to be clean.
The missing annotation was a mistake introduced by splitting the ops out
from the STE writer.
Fixes: 7da51af9125c ("iommu/arm-smmu-v3: Make STE programming independent of the callers")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202403011441.5WqGrYjp-lkp@intel.com/
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/0-v1-98b23ebb0c84+9f-smmu_cputole_jgg@nvidia.com
Signed-off-by: Will Deacon <will@kernel.org>
---
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index 5ed036225e69b..fa3f3e7d9b0cb 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -1139,7 +1139,8 @@ static void arm_smmu_write_ste(struct arm_smmu_master *master, u32 sid,
* requires a breaking update, zero the V bit, write all qwords
* but 0, then set qword 0
*/
- unused_update.data[0] = entry->data[0] & (~STRTAB_STE_0_V);
+ unused_update.data[0] = entry->data[0] &
+ cpu_to_le64(~STRTAB_STE_0_V);
entry_set(smmu, sid, entry, &unused_update, 0, 1);
entry_set(smmu, sid, entry, target, 1, num_entry_qwords - 1);
entry_set(smmu, sid, entry, target, 0, 1);
--
GitLab
From 8c05813df270324ce0b3a8647facc70c9bdd6fb5 Mon Sep 17 00:00:00 2001
From: Sergey Shtylyov <s.shtylyov@omp.ru>
Date: Sun, 24 Mar 2024 23:40:09 +0300
Subject: [PATCH 1604/2686] MAINTAINERS: split Renesas Ethernet drivers entry
Since the Renesas Ethernet Switch driver was added by Yoshihiro Shimoda,
I started receiving the patches to review for it -- which I was unable to
do, as I don't know this hardware and don't even have the manuals for it.
Fortunately, Shimoda-san has volunteered to be a reviewer for this new
driver, thus let's now split the single entry into 3 per-driver entries,
each with its own reviewer...
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/de0ccc1d-6fc0-583f-4f80-f70e6461d62d@omp.ru
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
MAINTAINERS | 29 +++++++++++++++++++++++++----
1 file changed, 25 insertions(+), 4 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index f736af98d7b59..6fc7ee1a6150d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18724,13 +18724,24 @@ S: Supported
F: Documentation/devicetree/bindings/i2c/renesas,iic-emev2.yaml
F: drivers/i2c/busses/i2c-emev2.c
-RENESAS ETHERNET DRIVERS
+RENESAS ETHERNET AVB DRIVER
R: Sergey Shtylyov <s.shtylyov@omp.ru>
L: netdev@vger.kernel.org
L: linux-renesas-soc@vger.kernel.org
-F: Documentation/devicetree/bindings/net/renesas,*.yaml
-F: drivers/net/ethernet/renesas/
-F: include/linux/sh_eth.h
+F: Documentation/devicetree/bindings/net/renesas,etheravb.yaml
+F: drivers/net/ethernet/renesas/Kconfig
+F: drivers/net/ethernet/renesas/Makefile
+F: drivers/net/ethernet/renesas/ravb*
+
+RENESAS ETHERNET SWITCH DRIVER
+R: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
+L: netdev@vger.kernel.org
+L: linux-renesas-soc@vger.kernel.org
+F: Documentation/devicetree/bindings/net/renesas,*ether-switch.yaml
+F: drivers/net/ethernet/renesas/Kconfig
+F: drivers/net/ethernet/renesas/Makefile
+F: drivers/net/ethernet/renesas/rcar_gen4*
+F: drivers/net/ethernet/renesas/rswitch*
RENESAS IDT821034 ASoC CODEC
M: Herve Codina <herve.codina@bootlin.com>
@@ -18840,6 +18851,16 @@ S: Supported
F: Documentation/devicetree/bindings/i2c/renesas,rzv2m.yaml
F: drivers/i2c/busses/i2c-rzv2m.c
+RENESAS SUPERH ETHERNET DRIVER
+R: Sergey Shtylyov <s.shtylyov@omp.ru>
+L: netdev@vger.kernel.org
+L: linux-renesas-soc@vger.kernel.org
+F: Documentation/devicetree/bindings/net/renesas,ether.yaml
+F: drivers/net/ethernet/renesas/Kconfig
+F: drivers/net/ethernet/renesas/Makefile
+F: drivers/net/ethernet/renesas/sh_eth*
+F: include/linux/sh_eth.h
+
RENESAS USB PHY DRIVER
M: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
L: linux-renesas-soc@vger.kernel.org
--
GitLab
From ec9098d6bffea6e82d63640134c123a3d96e0781 Mon Sep 17 00:00:00 2001
From: Mostafa Saleh <smostafa@google.com>
Date: Sat, 23 Mar 2024 13:46:58 +0000
Subject: [PATCH 1605/2686] iommu/arm-smmu-v3: Fix access for STE.SHCFG
STE attributes(NSCFG, PRIVCFG, INSTCFG) use value 0 for "Use Icomming",
for some reason SHCFG doesn't follow that, and it is defined as "0b01".
Currently the driver sets SHCFG to Use Incoming for stage-2 and bypass
domains.
However according to the User Manual (ARM IHI 0070 F.b):
When SMMU_IDR1.ATTR_TYPES_OVR == 0, this field is RES0 and the
incoming Shareability attribute is used.
This patch adds a condition for writing SHCFG to Use incoming to be
compliant with the architecture, and defines ATTR_TYPE_OVR as a new
feature discovered from IDR1.
This also required to propagate the SMMU through some functions args.
There is no need to add similar condition for the newly introduced function
arm_smmu_get_ste_used() as the values of the STE are the same before and
after any transition, so this will not trigger any change. (we already
do the same for the VMID).
Although this is a misconfiguration from the driver, this has been there
for a long time, so probably no HW running Linux is affected by it.
Reported-by: Will Deacon <will@kernel.org>
Closes: https://lore.kernel.org/all/20240215134952.GA690@willie-the-truck/
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20240323134658.464743-1-smostafa@google.com
Signed-off-by: Will Deacon <will@kernel.org>
---
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 35 ++++++++++++++-------
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 2 ++
2 files changed, 25 insertions(+), 12 deletions(-)
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index fa3f3e7d9b0cb..41f93c3ab160d 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -1454,14 +1454,17 @@ static void arm_smmu_make_abort_ste(struct arm_smmu_ste *target)
FIELD_PREP(STRTAB_STE_0_CFG, STRTAB_STE_0_CFG_ABORT));
}
-static void arm_smmu_make_bypass_ste(struct arm_smmu_ste *target)
+static void arm_smmu_make_bypass_ste(struct arm_smmu_device *smmu,
+ struct arm_smmu_ste *target)
{
memset(target, 0, sizeof(*target));
target->data[0] = cpu_to_le64(
STRTAB_STE_0_V |
FIELD_PREP(STRTAB_STE_0_CFG, STRTAB_STE_0_CFG_BYPASS));
- target->data[1] = cpu_to_le64(
- FIELD_PREP(STRTAB_STE_1_SHCFG, STRTAB_STE_1_SHCFG_INCOMING));
+
+ if (smmu->features & ARM_SMMU_FEAT_ATTR_TYPES_OVR)
+ target->data[1] = cpu_to_le64(FIELD_PREP(STRTAB_STE_1_SHCFG,
+ STRTAB_STE_1_SHCFG_INCOMING));
}
static void arm_smmu_make_cdtable_ste(struct arm_smmu_ste *target,
@@ -1524,6 +1527,7 @@ static void arm_smmu_make_s2_domain_ste(struct arm_smmu_ste *target,
typeof(&pgtbl_cfg->arm_lpae_s2_cfg.vtcr) vtcr =
&pgtbl_cfg->arm_lpae_s2_cfg.vtcr;
u64 vtcr_val;
+ struct arm_smmu_device *smmu = master->smmu;
memset(target, 0, sizeof(*target));
target->data[0] = cpu_to_le64(
@@ -1532,9 +1536,11 @@ static void arm_smmu_make_s2_domain_ste(struct arm_smmu_ste *target,
target->data[1] = cpu_to_le64(
FIELD_PREP(STRTAB_STE_1_EATS,
- master->ats_enabled ? STRTAB_STE_1_EATS_TRANS : 0) |
- FIELD_PREP(STRTAB_STE_1_SHCFG,
- STRTAB_STE_1_SHCFG_INCOMING));
+ master->ats_enabled ? STRTAB_STE_1_EATS_TRANS : 0));
+
+ if (smmu->features & ARM_SMMU_FEAT_ATTR_TYPES_OVR)
+ target->data[1] |= cpu_to_le64(FIELD_PREP(STRTAB_STE_1_SHCFG,
+ STRTAB_STE_1_SHCFG_INCOMING));
vtcr_val = FIELD_PREP(STRTAB_STE_2_VTCR_S2T0SZ, vtcr->tsz) |
FIELD_PREP(STRTAB_STE_2_VTCR_S2SL0, vtcr->sl) |
@@ -1561,7 +1567,8 @@ static void arm_smmu_make_s2_domain_ste(struct arm_smmu_ste *target,
* This can safely directly manipulate the STE memory without a sync sequence
* because the STE table has not been installed in the SMMU yet.
*/
-static void arm_smmu_init_initial_stes(struct arm_smmu_ste *strtab,
+static void arm_smmu_init_initial_stes(struct arm_smmu_device *smmu,
+ struct arm_smmu_ste *strtab,
unsigned int nent)
{
unsigned int i;
@@ -1570,7 +1577,7 @@ static void arm_smmu_init_initial_stes(struct arm_smmu_ste *strtab,
if (disable_bypass)
arm_smmu_make_abort_ste(strtab);
else
- arm_smmu_make_bypass_ste(strtab);
+ arm_smmu_make_bypass_ste(smmu, strtab);
strtab++;
}
}
@@ -1598,7 +1605,7 @@ static int arm_smmu_init_l2_strtab(struct arm_smmu_device *smmu, u32 sid)
return -ENOMEM;
}
- arm_smmu_init_initial_stes(desc->l2ptr, 1 << STRTAB_SPLIT);
+ arm_smmu_init_initial_stes(smmu, desc->l2ptr, 1 << STRTAB_SPLIT);
arm_smmu_write_strtab_l1_desc(strtab, desc);
return 0;
}
@@ -2638,8 +2645,9 @@ static int arm_smmu_attach_dev_identity(struct iommu_domain *domain,
struct device *dev)
{
struct arm_smmu_ste ste;
+ struct arm_smmu_master *master = dev_iommu_priv_get(dev);
- arm_smmu_make_bypass_ste(&ste);
+ arm_smmu_make_bypass_ste(master->smmu, &ste);
return arm_smmu_attach_dev_ste(dev, &ste);
}
@@ -3265,7 +3273,7 @@ static int arm_smmu_init_strtab_linear(struct arm_smmu_device *smmu)
reg |= FIELD_PREP(STRTAB_BASE_CFG_LOG2SIZE, smmu->sid_bits);
cfg->strtab_base_cfg = reg;
- arm_smmu_init_initial_stes(strtab, cfg->num_l1_ents);
+ arm_smmu_init_initial_stes(smmu, strtab, cfg->num_l1_ents);
return 0;
}
@@ -3778,6 +3786,9 @@ static int arm_smmu_device_hw_probe(struct arm_smmu_device *smmu)
return -ENXIO;
}
+ if (reg & IDR1_ATTR_TYPES_OVR)
+ smmu->features |= ARM_SMMU_FEAT_ATTR_TYPES_OVR;
+
/* Queue sizes, capped to ensure natural alignment */
smmu->cmdq.q.llq.max_n_shift = min_t(u32, CMDQ_MAX_SZ_SHIFT,
FIELD_GET(IDR1_CMDQS, reg));
@@ -3993,7 +4004,7 @@ static void arm_smmu_rmr_install_bypass_ste(struct arm_smmu_device *smmu)
* STE table is not programmed to HW, see
* arm_smmu_initial_bypass_stes()
*/
- arm_smmu_make_bypass_ste(
+ arm_smmu_make_bypass_ste(smmu,
arm_smmu_get_step_for_sid(smmu, rmr->sids[i]));
}
}
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
index 23baf117e7e4b..2a19bb63e5c6d 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
@@ -44,6 +44,7 @@
#define IDR1_TABLES_PRESET (1 << 30)
#define IDR1_QUEUES_PRESET (1 << 29)
#define IDR1_REL (1 << 28)
+#define IDR1_ATTR_TYPES_OVR (1 << 27)
#define IDR1_CMDQS GENMASK(25, 21)
#define IDR1_EVTQS GENMASK(20, 16)
#define IDR1_PRIQS GENMASK(15, 11)
@@ -647,6 +648,7 @@ struct arm_smmu_device {
#define ARM_SMMU_FEAT_SVA (1 << 17)
#define ARM_SMMU_FEAT_E2H (1 << 18)
#define ARM_SMMU_FEAT_NESTING (1 << 19)
+#define ARM_SMMU_FEAT_ATTR_TYPES_OVR (1 << 20)
u32 features;
#define ARM_SMMU_OPT_SKIP_PREFETCH (1 << 0)
--
GitLab
From a24118a8a6870fe06dbbd59f915b9ca3662b2ddb Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 20 Mar 2024 19:02:50 +0100
Subject: [PATCH 1606/2686] ACPI: APEI: EINJ: mark remove callback as
non-__exit
The remove callback of a device is called whenever it is unbound,
which may happen during runtime e.g. through sysfs, so this is not
allowed to be dropped from the binary:
WARNING: modpost: vmlinux: section mismatch in reference: einj_driver+0x8 (section: .data) -> einj_remove (section: .exit.text)
ERROR: modpost: Section mismatches detected.
Remove that annotation.
Fixes: 12fb28ea6b1c ("EINJ: Add CXL error type support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/acpi/apei/einj-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/acpi/apei/einj-core.c b/drivers/acpi/apei/einj-core.c
index 66e7f529e92fc..01faca3a238a3 100644
--- a/drivers/acpi/apei/einj-core.c
+++ b/drivers/acpi/apei/einj-core.c
@@ -851,7 +851,7 @@ static int __init einj_probe(struct platform_device *pdev)
return rc;
}
-static void __exit einj_remove(struct platform_device *pdev)
+static void einj_remove(struct platform_device *pdev)
{
struct apei_exec_context ctx;
--
GitLab
From 051e0840ffa8ab25554d6b14b62c9ab9e4901457 Mon Sep 17 00:00:00 2001
From: Duoming Zhou <duoming@zju.edu.cn>
Date: Tue, 26 Mar 2024 17:42:38 +0800
Subject: [PATCH 1607/2686] ALSA: sh: aica: reorder cleanup operations to avoid
UAF bugs
The dreamcastcard->timer could schedule the spu_dma_work and the
spu_dma_work could also arm the dreamcastcard->timer.
When the snd_pcm_substream is closing, the aica_channel will be
deallocated. But it could still be dereferenced in the worker
thread. The reason is that del_timer() will return directly
regardless of whether the timer handler is running or not and
the worker could be rescheduled in the timer handler. As a result,
the UAF bug will happen. The racy situation is shown below:
(Thread 1) | (Thread 2)
snd_aicapcm_pcm_close() |
... | run_spu_dma() //worker
| mod_timer()
flush_work() |
del_timer() | aica_period_elapsed() //timer
kfree(dreamcastcard->channel) | schedule_work()
| run_spu_dma() //worker
... | dreamcastcard->channel-> //USE
In order to mitigate this bug and other possible corner cases,
call mod_timer() conditionally in run_spu_dma(), then implement
PCM sync_stop op to cancel both the timer and worker. The sync_stop
op will be called from PCM core appropriately when needed.
Fixes: 198de43d758c ("[ALSA] Add ALSA support for the SEGA Dreamcast PCM device")
Suggested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Message-ID: <20240326094238.95442-1-duoming@zju.edu.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/sh/aica.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/sound/sh/aica.c b/sound/sh/aica.c
index 320ac792c7fe2..3182c634464d4 100644
--- a/sound/sh/aica.c
+++ b/sound/sh/aica.c
@@ -278,7 +278,8 @@ static void run_spu_dma(struct work_struct *work)
dreamcastcard->clicks++;
if (unlikely(dreamcastcard->clicks >= AICA_PERIOD_NUMBER))
dreamcastcard->clicks %= AICA_PERIOD_NUMBER;
- mod_timer(&dreamcastcard->timer, jiffies + 1);
+ if (snd_pcm_running(dreamcastcard->substream))
+ mod_timer(&dreamcastcard->timer, jiffies + 1);
}
}
@@ -290,6 +291,8 @@ static void aica_period_elapsed(struct timer_list *t)
/*timer function - so cannot sleep */
int play_period;
struct snd_pcm_runtime *runtime;
+ if (!snd_pcm_running(substream))
+ return;
runtime = substream->runtime;
dreamcastcard = substream->pcm->private_data;
/* Have we played out an additional period? */
@@ -350,12 +353,19 @@ static int snd_aicapcm_pcm_open(struct snd_pcm_substream
return 0;
}
+static int snd_aicapcm_pcm_sync_stop(struct snd_pcm_substream *substream)
+{
+ struct snd_card_aica *dreamcastcard = substream->pcm->private_data;
+
+ del_timer_sync(&dreamcastcard->timer);
+ cancel_work_sync(&dreamcastcard->spu_dma_work);
+ return 0;
+}
+
static int snd_aicapcm_pcm_close(struct snd_pcm_substream
*substream)
{
struct snd_card_aica *dreamcastcard = substream->pcm->private_data;
- flush_work(&(dreamcastcard->spu_dma_work));
- del_timer(&dreamcastcard->timer);
dreamcastcard->substream = NULL;
kfree(dreamcastcard->channel);
spu_disable();
@@ -401,6 +411,7 @@ static const struct snd_pcm_ops snd_aicapcm_playback_ops = {
.prepare = snd_aicapcm_pcm_prepare,
.trigger = snd_aicapcm_pcm_trigger,
.pointer = snd_aicapcm_pcm_pointer,
+ .sync_stop = snd_aicapcm_pcm_sync_stop,
};
/* TO DO: set up to handle more than one pcm instance */
--
GitLab
From f1425529c33def8b46faae4400dd9e2bbaf16a05 Mon Sep 17 00:00:00 2001
From: Ido Schimmel <idosch@nvidia.com>
Date: Mon, 25 Mar 2024 09:50:30 +0200
Subject: [PATCH 1608/2686] selftests: vxlan_mdb: Fix failures with old libnet
Locally generated IP multicast packets (such as the ones used in the
test) do not perform routing and simply egress the bound device.
However, as explained in commit 8bcfb4ae4d97 ("selftests: forwarding:
Fix failing tests with old libnet"), old versions of libnet (used by
mausezahn) do not use the "SO_BINDTODEVICE" socket option. Specifically,
the library started using the option for IPv6 sockets in version 1.1.6
and for IPv4 sockets in version 1.2. This explains why on Ubuntu - which
uses version 1.1.6 - the IPv4 overlay tests are failing whereas the IPv6
ones are passing.
Fix by specifying the source and destination MAC of the packets which
will cause mausezahn to use a packet socket instead of an IP socket.
Fixes: 62199e3f1658 ("selftests: net: Add VXLAN MDB test")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/5bb50349-196d-4892-8ed2-f37543aa863f@alu.unizg.hr/
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/20240325075030.2379513-1-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
tools/testing/selftests/net/test_vxlan_mdb.sh | 205 +++++++++++-------
1 file changed, 128 insertions(+), 77 deletions(-)
diff --git a/tools/testing/selftests/net/test_vxlan_mdb.sh b/tools/testing/selftests/net/test_vxlan_mdb.sh
index 74ff9fb2a6f0e..58da5de99ac45 100755
--- a/tools/testing/selftests/net/test_vxlan_mdb.sh
+++ b/tools/testing/selftests/net/test_vxlan_mdb.sh
@@ -1177,6 +1177,7 @@ encap_params_common()
local plen=$1; shift
local enc_ethtype=$1; shift
local grp=$1; shift
+ local grp_dmac=$1; shift
local src=$1; shift
local mz=$1; shift
@@ -1195,11 +1196,11 @@ encap_params_common()
run_cmd "bridge -n $ns1 mdb replace dev vx0 port vx0 grp $grp permanent dst $vtep2_ip src_vni 10020"
run_cmd "tc -n $ns2 filter replace dev vx0 ingress pref 1 handle 101 proto all flower enc_dst_ip $vtep1_ip action pass"
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Destination IP - match"
- run_cmd "ip netns exec $ns1 $mz br0.20 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.20 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Destination IP - no match"
@@ -1212,20 +1213,20 @@ encap_params_common()
run_cmd "bridge -n $ns1 mdb replace dev vx0 port vx0 grp $grp permanent dst $vtep1_ip dst_port 1111 src_vni 10020"
run_cmd "tc -n $ns2 filter replace dev veth0 ingress pref 1 handle 101 proto $enc_ethtype flower ip_proto udp dst_port 4789 action pass"
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev veth0 ingress" 101 1
log_test $? 0 "Default destination port - match"
- run_cmd "ip netns exec $ns1 $mz br0.20 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.20 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev veth0 ingress" 101 1
log_test $? 0 "Default destination port - no match"
run_cmd "tc -n $ns2 filter replace dev veth0 ingress pref 1 handle 101 proto $enc_ethtype flower ip_proto udp dst_port 1111 action pass"
- run_cmd "ip netns exec $ns1 $mz br0.20 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.20 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev veth0 ingress" 101 1
log_test $? 0 "Non-default destination port - match"
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev veth0 ingress" 101 1
log_test $? 0 "Non-default destination port - no match"
@@ -1238,11 +1239,11 @@ encap_params_common()
run_cmd "bridge -n $ns1 mdb replace dev vx0 port vx0 grp $grp permanent dst $vtep1_ip src_vni 10020"
run_cmd "tc -n $ns2 filter replace dev vx0 ingress pref 1 handle 101 proto all flower enc_key_id 10010 action pass"
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Default destination VNI - match"
- run_cmd "ip netns exec $ns1 $mz br0.20 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.20 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Default destination VNI - no match"
@@ -1250,11 +1251,11 @@ encap_params_common()
run_cmd "bridge -n $ns1 mdb replace dev vx0 port vx0 grp $grp permanent dst $vtep1_ip vni 10010 src_vni 10020"
run_cmd "tc -n $ns2 filter replace dev vx0 ingress pref 1 handle 101 proto all flower enc_key_id 10020 action pass"
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Non-default destination VNI - match"
- run_cmd "ip netns exec $ns1 $mz br0.20 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.20 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Non-default destination VNI - no match"
@@ -1272,6 +1273,7 @@ encap_params_ipv4_ipv4()
local plen=32
local enc_ethtype="ip"
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local src=192.0.2.129
echo
@@ -1279,7 +1281,7 @@ encap_params_ipv4_ipv4()
echo "------------------------------------------------------------------"
encap_params_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $enc_ethtype \
- $grp $src "mausezahn"
+ $grp $grp_dmac $src "mausezahn"
}
encap_params_ipv6_ipv4()
@@ -1291,6 +1293,7 @@ encap_params_ipv6_ipv4()
local plen=32
local enc_ethtype="ip"
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local src=2001:db8:100::1
echo
@@ -1298,7 +1301,7 @@ encap_params_ipv6_ipv4()
echo "------------------------------------------------------------------"
encap_params_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $enc_ethtype \
- $grp $src "mausezahn -6"
+ $grp $grp_dmac $src "mausezahn -6"
}
encap_params_ipv4_ipv6()
@@ -1310,6 +1313,7 @@ encap_params_ipv4_ipv6()
local plen=128
local enc_ethtype="ipv6"
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local src=192.0.2.129
echo
@@ -1317,7 +1321,7 @@ encap_params_ipv4_ipv6()
echo "------------------------------------------------------------------"
encap_params_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $enc_ethtype \
- $grp $src "mausezahn"
+ $grp $grp_dmac $src "mausezahn"
}
encap_params_ipv6_ipv6()
@@ -1329,6 +1333,7 @@ encap_params_ipv6_ipv6()
local plen=128
local enc_ethtype="ipv6"
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local src=2001:db8:100::1
echo
@@ -1336,7 +1341,7 @@ encap_params_ipv6_ipv6()
echo "------------------------------------------------------------------"
encap_params_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $enc_ethtype \
- $grp $src "mausezahn -6"
+ $grp $grp_dmac $src "mausezahn -6"
}
starg_exclude_ir_common()
@@ -1347,6 +1352,7 @@ starg_exclude_ir_common()
local vtep2_ip=$1; shift
local plen=$1; shift
local grp=$1; shift
+ local grp_dmac=$1; shift
local valid_src=$1; shift
local invalid_src=$1; shift
local mz=$1; shift
@@ -1368,14 +1374,14 @@ starg_exclude_ir_common()
run_cmd "bridge -n $ns1 mdb replace dev vx0 port vx0 grp $grp permanent filter_mode exclude source_list $invalid_src dst $vtep2_ip src_vni 10010"
# Check that invalid source is not forwarded to any VTEP.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $invalid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $invalid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 0
log_test $? 0 "Block excluded source - first VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 102 0
log_test $? 0 "Block excluded source - second VTEP"
# Check that valid source is forwarded to both VTEPs.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Forward valid source - first VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 102 1
@@ -1385,14 +1391,14 @@ starg_exclude_ir_common()
run_cmd "bridge -n $ns1 mdb del dev vx0 port vx0 grp $grp dst $vtep2_ip src_vni 10010"
# Check that invalid source is not forwarded to any VTEP.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $invalid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $invalid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Block excluded source after removal - first VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 102 1
log_test $? 0 "Block excluded source after removal - second VTEP"
# Check that valid source is forwarded to the remaining VTEP.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 2
log_test $? 0 "Forward valid source after removal - first VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 102 1
@@ -1407,6 +1413,7 @@ starg_exclude_ir_ipv4_ipv4()
local vtep2_ip=198.51.100.200
local plen=32
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local valid_src=192.0.2.129
local invalid_src=192.0.2.145
@@ -1415,7 +1422,7 @@ starg_exclude_ir_ipv4_ipv4()
echo "-------------------------------------------------------------"
starg_exclude_ir_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $grp \
- $valid_src $invalid_src "mausezahn"
+ $grp_dmac $valid_src $invalid_src "mausezahn"
}
starg_exclude_ir_ipv6_ipv4()
@@ -1426,6 +1433,7 @@ starg_exclude_ir_ipv6_ipv4()
local vtep2_ip=198.51.100.200
local plen=32
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local valid_src=2001:db8:100::1
local invalid_src=2001:db8:200::1
@@ -1434,7 +1442,7 @@ starg_exclude_ir_ipv6_ipv4()
echo "-------------------------------------------------------------"
starg_exclude_ir_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $grp \
- $valid_src $invalid_src "mausezahn -6"
+ $grp_dmac $valid_src $invalid_src "mausezahn -6"
}
starg_exclude_ir_ipv4_ipv6()
@@ -1445,6 +1453,7 @@ starg_exclude_ir_ipv4_ipv6()
local vtep2_ip=2001:db8:2000::1
local plen=128
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local valid_src=192.0.2.129
local invalid_src=192.0.2.145
@@ -1453,7 +1462,7 @@ starg_exclude_ir_ipv4_ipv6()
echo "-------------------------------------------------------------"
starg_exclude_ir_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $grp \
- $valid_src $invalid_src "mausezahn"
+ $grp_dmac $valid_src $invalid_src "mausezahn"
}
starg_exclude_ir_ipv6_ipv6()
@@ -1464,6 +1473,7 @@ starg_exclude_ir_ipv6_ipv6()
local vtep2_ip=2001:db8:2000::1
local plen=128
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local valid_src=2001:db8:100::1
local invalid_src=2001:db8:200::1
@@ -1472,7 +1482,7 @@ starg_exclude_ir_ipv6_ipv6()
echo "-------------------------------------------------------------"
starg_exclude_ir_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $grp \
- $valid_src $invalid_src "mausezahn -6"
+ $grp_dmac $valid_src $invalid_src "mausezahn -6"
}
starg_include_ir_common()
@@ -1483,6 +1493,7 @@ starg_include_ir_common()
local vtep2_ip=$1; shift
local plen=$1; shift
local grp=$1; shift
+ local grp_dmac=$1; shift
local valid_src=$1; shift
local invalid_src=$1; shift
local mz=$1; shift
@@ -1504,14 +1515,14 @@ starg_include_ir_common()
run_cmd "bridge -n $ns1 mdb replace dev vx0 port vx0 grp $grp permanent filter_mode include source_list $valid_src dst $vtep2_ip src_vni 10010"
# Check that invalid source is not forwarded to any VTEP.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $invalid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $invalid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 0
log_test $? 0 "Block excluded source - first VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 102 0
log_test $? 0 "Block excluded source - second VTEP"
# Check that valid source is forwarded to both VTEPs.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Forward valid source - first VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 102 1
@@ -1521,14 +1532,14 @@ starg_include_ir_common()
run_cmd "bridge -n $ns1 mdb del dev vx0 port vx0 grp $grp dst $vtep2_ip src_vni 10010"
# Check that invalid source is not forwarded to any VTEP.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $invalid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $invalid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Block excluded source after removal - first VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 102 1
log_test $? 0 "Block excluded source after removal - second VTEP"
# Check that valid source is forwarded to the remaining VTEP.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 2
log_test $? 0 "Forward valid source after removal - first VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 102 1
@@ -1543,6 +1554,7 @@ starg_include_ir_ipv4_ipv4()
local vtep2_ip=198.51.100.200
local plen=32
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local valid_src=192.0.2.129
local invalid_src=192.0.2.145
@@ -1551,7 +1563,7 @@ starg_include_ir_ipv4_ipv4()
echo "-------------------------------------------------------------"
starg_include_ir_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $grp \
- $valid_src $invalid_src "mausezahn"
+ $grp_dmac $valid_src $invalid_src "mausezahn"
}
starg_include_ir_ipv6_ipv4()
@@ -1562,6 +1574,7 @@ starg_include_ir_ipv6_ipv4()
local vtep2_ip=198.51.100.200
local plen=32
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local valid_src=2001:db8:100::1
local invalid_src=2001:db8:200::1
@@ -1570,7 +1583,7 @@ starg_include_ir_ipv6_ipv4()
echo "-------------------------------------------------------------"
starg_include_ir_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $grp \
- $valid_src $invalid_src "mausezahn -6"
+ $grp_dmac $valid_src $invalid_src "mausezahn -6"
}
starg_include_ir_ipv4_ipv6()
@@ -1581,6 +1594,7 @@ starg_include_ir_ipv4_ipv6()
local vtep2_ip=2001:db8:2000::1
local plen=128
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local valid_src=192.0.2.129
local invalid_src=192.0.2.145
@@ -1589,7 +1603,7 @@ starg_include_ir_ipv4_ipv6()
echo "-------------------------------------------------------------"
starg_include_ir_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $grp \
- $valid_src $invalid_src "mausezahn"
+ $grp_dmac $valid_src $invalid_src "mausezahn"
}
starg_include_ir_ipv6_ipv6()
@@ -1600,6 +1614,7 @@ starg_include_ir_ipv6_ipv6()
local vtep2_ip=2001:db8:2000::1
local plen=128
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local valid_src=2001:db8:100::1
local invalid_src=2001:db8:200::1
@@ -1608,7 +1623,7 @@ starg_include_ir_ipv6_ipv6()
echo "-------------------------------------------------------------"
starg_include_ir_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $grp \
- $valid_src $invalid_src "mausezahn -6"
+ $grp_dmac $valid_src $invalid_src "mausezahn -6"
}
starg_exclude_p2mp_common()
@@ -1618,6 +1633,7 @@ starg_exclude_p2mp_common()
local mcast_grp=$1; shift
local plen=$1; shift
local grp=$1; shift
+ local grp_dmac=$1; shift
local valid_src=$1; shift
local invalid_src=$1; shift
local mz=$1; shift
@@ -1635,12 +1651,12 @@ starg_exclude_p2mp_common()
run_cmd "bridge -n $ns1 mdb replace dev vx0 port vx0 grp $grp permanent filter_mode exclude source_list $invalid_src dst $mcast_grp src_vni 10010 via veth0"
# Check that invalid source is not forwarded.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $invalid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $invalid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 0
log_test $? 0 "Block excluded source"
# Check that valid source is forwarded.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Forward valid source"
@@ -1648,7 +1664,7 @@ starg_exclude_p2mp_common()
run_cmd "ip -n $ns2 address del $mcast_grp/$plen dev veth0"
# Check that valid source is not received anymore.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Receive of valid source after removal from group"
}
@@ -1660,6 +1676,7 @@ starg_exclude_p2mp_ipv4_ipv4()
local mcast_grp=238.1.1.1
local plen=32
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local valid_src=192.0.2.129
local invalid_src=192.0.2.145
@@ -1667,7 +1684,7 @@ starg_exclude_p2mp_ipv4_ipv4()
echo "Data path: (*, G) EXCLUDE - P2MP - IPv4 overlay / IPv4 underlay"
echo "---------------------------------------------------------------"
- starg_exclude_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp \
+ starg_exclude_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp $grp_dmac \
$valid_src $invalid_src "mausezahn"
}
@@ -1678,6 +1695,7 @@ starg_exclude_p2mp_ipv6_ipv4()
local mcast_grp=238.1.1.1
local plen=32
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local valid_src=2001:db8:100::1
local invalid_src=2001:db8:200::1
@@ -1685,7 +1703,7 @@ starg_exclude_p2mp_ipv6_ipv4()
echo "Data path: (*, G) EXCLUDE - P2MP - IPv6 overlay / IPv4 underlay"
echo "---------------------------------------------------------------"
- starg_exclude_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp \
+ starg_exclude_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp $grp_dmac \
$valid_src $invalid_src "mausezahn -6"
}
@@ -1696,6 +1714,7 @@ starg_exclude_p2mp_ipv4_ipv6()
local mcast_grp=ff0e::2
local plen=128
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local valid_src=192.0.2.129
local invalid_src=192.0.2.145
@@ -1703,7 +1722,7 @@ starg_exclude_p2mp_ipv4_ipv6()
echo "Data path: (*, G) EXCLUDE - P2MP - IPv4 overlay / IPv6 underlay"
echo "---------------------------------------------------------------"
- starg_exclude_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp \
+ starg_exclude_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp $grp_dmac \
$valid_src $invalid_src "mausezahn"
}
@@ -1714,6 +1733,7 @@ starg_exclude_p2mp_ipv6_ipv6()
local mcast_grp=ff0e::2
local plen=128
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local valid_src=2001:db8:100::1
local invalid_src=2001:db8:200::1
@@ -1721,7 +1741,7 @@ starg_exclude_p2mp_ipv6_ipv6()
echo "Data path: (*, G) EXCLUDE - P2MP - IPv6 overlay / IPv6 underlay"
echo "---------------------------------------------------------------"
- starg_exclude_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp \
+ starg_exclude_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp $grp_dmac \
$valid_src $invalid_src "mausezahn -6"
}
@@ -1732,6 +1752,7 @@ starg_include_p2mp_common()
local mcast_grp=$1; shift
local plen=$1; shift
local grp=$1; shift
+ local grp_dmac=$1; shift
local valid_src=$1; shift
local invalid_src=$1; shift
local mz=$1; shift
@@ -1749,12 +1770,12 @@ starg_include_p2mp_common()
run_cmd "bridge -n $ns1 mdb replace dev vx0 port vx0 grp $grp permanent filter_mode include source_list $valid_src dst $mcast_grp src_vni 10010 via veth0"
# Check that invalid source is not forwarded.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $invalid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $invalid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 0
log_test $? 0 "Block excluded source"
# Check that valid source is forwarded.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Forward valid source"
@@ -1762,7 +1783,7 @@ starg_include_p2mp_common()
run_cmd "ip -n $ns2 address del $mcast_grp/$plen dev veth0"
# Check that valid source is not received anymore.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $valid_src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Receive of valid source after removal from group"
}
@@ -1774,6 +1795,7 @@ starg_include_p2mp_ipv4_ipv4()
local mcast_grp=238.1.1.1
local plen=32
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local valid_src=192.0.2.129
local invalid_src=192.0.2.145
@@ -1781,7 +1803,7 @@ starg_include_p2mp_ipv4_ipv4()
echo "Data path: (*, G) INCLUDE - P2MP - IPv4 overlay / IPv4 underlay"
echo "---------------------------------------------------------------"
- starg_include_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp \
+ starg_include_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp $grp_dmac \
$valid_src $invalid_src "mausezahn"
}
@@ -1792,6 +1814,7 @@ starg_include_p2mp_ipv6_ipv4()
local mcast_grp=238.1.1.1
local plen=32
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local valid_src=2001:db8:100::1
local invalid_src=2001:db8:200::1
@@ -1799,7 +1822,7 @@ starg_include_p2mp_ipv6_ipv4()
echo "Data path: (*, G) INCLUDE - P2MP - IPv6 overlay / IPv4 underlay"
echo "---------------------------------------------------------------"
- starg_include_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp \
+ starg_include_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp $grp_dmac \
$valid_src $invalid_src "mausezahn -6"
}
@@ -1810,6 +1833,7 @@ starg_include_p2mp_ipv4_ipv6()
local mcast_grp=ff0e::2
local plen=128
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local valid_src=192.0.2.129
local invalid_src=192.0.2.145
@@ -1817,7 +1841,7 @@ starg_include_p2mp_ipv4_ipv6()
echo "Data path: (*, G) INCLUDE - P2MP - IPv4 overlay / IPv6 underlay"
echo "---------------------------------------------------------------"
- starg_include_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp \
+ starg_include_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp $grp_dmac \
$valid_src $invalid_src "mausezahn"
}
@@ -1828,6 +1852,7 @@ starg_include_p2mp_ipv6_ipv6()
local mcast_grp=ff0e::2
local plen=128
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local valid_src=2001:db8:100::1
local invalid_src=2001:db8:200::1
@@ -1835,7 +1860,7 @@ starg_include_p2mp_ipv6_ipv6()
echo "Data path: (*, G) INCLUDE - P2MP - IPv6 overlay / IPv6 underlay"
echo "---------------------------------------------------------------"
- starg_include_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp \
+ starg_include_p2mp_common $ns1 $ns2 $mcast_grp $plen $grp $grp_dmac \
$valid_src $invalid_src "mausezahn -6"
}
@@ -1847,6 +1872,7 @@ egress_vni_translation_common()
local plen=$1; shift
local proto=$1; shift
local grp=$1; shift
+ local grp_dmac=$1; shift
local src=$1; shift
local mz=$1; shift
@@ -1882,20 +1908,20 @@ egress_vni_translation_common()
# Make sure that packets sent from the first VTEP over VLAN 10 are
# received by the SVI corresponding to the L3VNI (14000 / VLAN 4000) on
# the second VTEP, since it is configured as PVID.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev br0.4000 ingress" 101 1
log_test $? 0 "Egress VNI translation - PVID configured"
# Remove PVID flag from VLAN 4000 on the second VTEP and make sure
# packets are no longer received by the SVI interface.
run_cmd "bridge -n $ns2 vlan add vid 4000 dev vx0"
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev br0.4000 ingress" 101 1
log_test $? 0 "Egress VNI translation - no PVID configured"
# Reconfigure the PVID and make sure packets are received again.
run_cmd "bridge -n $ns2 vlan add vid 4000 dev vx0 pvid"
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev br0.4000 ingress" 101 2
log_test $? 0 "Egress VNI translation - PVID reconfigured"
}
@@ -1908,6 +1934,7 @@ egress_vni_translation_ipv4_ipv4()
local plen=32
local proto="ipv4"
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local src=192.0.2.129
echo
@@ -1915,7 +1942,7 @@ egress_vni_translation_ipv4_ipv4()
echo "----------------------------------------------------------------"
egress_vni_translation_common $ns1 $ns2 $mcast_grp $plen $proto $grp \
- $src "mausezahn"
+ $grp_dmac $src "mausezahn"
}
egress_vni_translation_ipv6_ipv4()
@@ -1926,6 +1953,7 @@ egress_vni_translation_ipv6_ipv4()
local plen=32
local proto="ipv6"
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local src=2001:db8:100::1
echo
@@ -1933,7 +1961,7 @@ egress_vni_translation_ipv6_ipv4()
echo "----------------------------------------------------------------"
egress_vni_translation_common $ns1 $ns2 $mcast_grp $plen $proto $grp \
- $src "mausezahn -6"
+ $grp_dmac $src "mausezahn -6"
}
egress_vni_translation_ipv4_ipv6()
@@ -1944,6 +1972,7 @@ egress_vni_translation_ipv4_ipv6()
local plen=128
local proto="ipv4"
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local src=192.0.2.129
echo
@@ -1951,7 +1980,7 @@ egress_vni_translation_ipv4_ipv6()
echo "----------------------------------------------------------------"
egress_vni_translation_common $ns1 $ns2 $mcast_grp $plen $proto $grp \
- $src "mausezahn"
+ $grp_dmac $src "mausezahn"
}
egress_vni_translation_ipv6_ipv6()
@@ -1962,6 +1991,7 @@ egress_vni_translation_ipv6_ipv6()
local plen=128
local proto="ipv6"
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local src=2001:db8:100::1
echo
@@ -1969,7 +1999,7 @@ egress_vni_translation_ipv6_ipv6()
echo "----------------------------------------------------------------"
egress_vni_translation_common $ns1 $ns2 $mcast_grp $plen $proto $grp \
- $src "mausezahn -6"
+ $grp_dmac $src "mausezahn -6"
}
all_zeros_mdb_common()
@@ -1982,12 +2012,18 @@ all_zeros_mdb_common()
local vtep4_ip=$1; shift
local plen=$1; shift
local ipv4_grp=239.1.1.1
+ local ipv4_grp_dmac=01:00:5e:01:01:01
local ipv4_unreg_grp=239.2.2.2
+ local ipv4_unreg_grp_dmac=01:00:5e:02:02:02
local ipv4_ll_grp=224.0.0.100
+ local ipv4_ll_grp_dmac=01:00:5e:00:00:64
local ipv4_src=192.0.2.129
local ipv6_grp=ff0e::1
+ local ipv6_grp_dmac=33:33:00:00:00:01
local ipv6_unreg_grp=ff0e::2
+ local ipv6_unreg_grp_dmac=33:33:00:00:00:02
local ipv6_ll_grp=ff02::1
+ local ipv6_ll_grp_dmac=33:33:00:00:00:01
local ipv6_src=2001:db8:100::1
# Install all-zeros (catchall) MDB entries for IPv4 and IPv6 traffic
@@ -2023,7 +2059,7 @@ all_zeros_mdb_common()
# Send registered IPv4 multicast and make sure it only arrives to the
# first VTEP.
- run_cmd "ip netns exec $ns1 mausezahn br0.10 -A $ipv4_src -B $ipv4_grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 mausezahn br0.10 -a own -b $ipv4_grp_dmac -A $ipv4_src -B $ipv4_grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "Registered IPv4 multicast - first VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 102 0
@@ -2031,7 +2067,7 @@ all_zeros_mdb_common()
# Send unregistered IPv4 multicast that is not link-local and make sure
# it arrives to the first and second VTEPs.
- run_cmd "ip netns exec $ns1 mausezahn br0.10 -A $ipv4_src -B $ipv4_unreg_grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 mausezahn br0.10 -a own -b $ipv4_unreg_grp_dmac -A $ipv4_src -B $ipv4_unreg_grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 2
log_test $? 0 "Unregistered IPv4 multicast - first VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 102 1
@@ -2039,7 +2075,7 @@ all_zeros_mdb_common()
# Send IPv4 link-local multicast traffic and make sure it does not
# arrive to any VTEP.
- run_cmd "ip netns exec $ns1 mausezahn br0.10 -A $ipv4_src -B $ipv4_ll_grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 mausezahn br0.10 -a own -b $ipv4_ll_grp_dmac -A $ipv4_src -B $ipv4_ll_grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 2
log_test $? 0 "Link-local IPv4 multicast - first VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 102 1
@@ -2074,7 +2110,7 @@ all_zeros_mdb_common()
# Send registered IPv6 multicast and make sure it only arrives to the
# third VTEP.
- run_cmd "ip netns exec $ns1 mausezahn -6 br0.10 -A $ipv6_src -B $ipv6_grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 mausezahn -6 br0.10 -a own -b $ipv6_grp_dmac -A $ipv6_src -B $ipv6_grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 103 1
log_test $? 0 "Registered IPv6 multicast - third VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 104 0
@@ -2082,7 +2118,7 @@ all_zeros_mdb_common()
# Send unregistered IPv6 multicast that is not link-local and make sure
# it arrives to the third and fourth VTEPs.
- run_cmd "ip netns exec $ns1 mausezahn -6 br0.10 -A $ipv6_src -B $ipv6_unreg_grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 mausezahn -6 br0.10 -a own -b $ipv6_unreg_grp_dmac -A $ipv6_src -B $ipv6_unreg_grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 103 2
log_test $? 0 "Unregistered IPv6 multicast - third VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 104 1
@@ -2090,7 +2126,7 @@ all_zeros_mdb_common()
# Send IPv6 link-local multicast traffic and make sure it does not
# arrive to any VTEP.
- run_cmd "ip netns exec $ns1 mausezahn -6 br0.10 -A $ipv6_src -B $ipv6_ll_grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 mausezahn -6 br0.10 -a own -b $ipv6_ll_grp_dmac -A $ipv6_src -B $ipv6_ll_grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 103 2
log_test $? 0 "Link-local IPv6 multicast - third VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 104 1
@@ -2165,6 +2201,7 @@ mdb_fdb_common()
local plen=$1; shift
local proto=$1; shift
local grp=$1; shift
+ local grp_dmac=$1; shift
local src=$1; shift
local mz=$1; shift
@@ -2188,7 +2225,7 @@ mdb_fdb_common()
# Send IP multicast traffic and make sure it is forwarded by the MDB
# and only arrives to the first VTEP.
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "IP multicast - first VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 102 0
@@ -2205,7 +2242,7 @@ mdb_fdb_common()
# Remove the MDB entry and make sure that IP multicast is now forwarded
# by the FDB to the second VTEP.
run_cmd "bridge -n $ns1 mdb del dev vx0 port vx0 grp $grp dst $vtep1_ip src_vni 10010"
- run_cmd "ip netns exec $ns1 $mz br0.10 -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
+ run_cmd "ip netns exec $ns1 $mz br0.10 -a own -b $grp_dmac -A $src -B $grp -t udp sp=12345,dp=54321 -p 100 -c 1 -q"
tc_check_packets "$ns2" "dev vx0 ingress" 101 1
log_test $? 0 "IP multicast after removal - first VTEP"
tc_check_packets "$ns2" "dev vx0 ingress" 102 2
@@ -2221,14 +2258,15 @@ mdb_fdb_ipv4_ipv4()
local plen=32
local proto="ipv4"
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local src=192.0.2.129
echo
echo "Data path: MDB with FDB - IPv4 overlay / IPv4 underlay"
echo "------------------------------------------------------"
- mdb_fdb_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $proto $grp $src \
- "mausezahn"
+ mdb_fdb_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $proto $grp \
+ $grp_dmac $src "mausezahn"
}
mdb_fdb_ipv6_ipv4()
@@ -2240,14 +2278,15 @@ mdb_fdb_ipv6_ipv4()
local plen=32
local proto="ipv6"
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local src=2001:db8:100::1
echo
echo "Data path: MDB with FDB - IPv6 overlay / IPv4 underlay"
echo "------------------------------------------------------"
- mdb_fdb_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $proto $grp $src \
- "mausezahn -6"
+ mdb_fdb_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $proto $grp \
+ $grp_dmac $src "mausezahn -6"
}
mdb_fdb_ipv4_ipv6()
@@ -2259,14 +2298,15 @@ mdb_fdb_ipv4_ipv6()
local plen=128
local proto="ipv4"
local grp=239.1.1.1
+ local grp_dmac=01:00:5e:01:01:01
local src=192.0.2.129
echo
echo "Data path: MDB with FDB - IPv4 overlay / IPv6 underlay"
echo "------------------------------------------------------"
- mdb_fdb_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $proto $grp $src \
- "mausezahn"
+ mdb_fdb_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $proto $grp \
+ $grp_dmac $src "mausezahn"
}
mdb_fdb_ipv6_ipv6()
@@ -2278,14 +2318,15 @@ mdb_fdb_ipv6_ipv6()
local plen=128
local proto="ipv6"
local grp=ff0e::1
+ local grp_dmac=33:33:00:00:00:01
local src=2001:db8:100::1
echo
echo "Data path: MDB with FDB - IPv6 overlay / IPv6 underlay"
echo "------------------------------------------------------"
- mdb_fdb_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $proto $grp $src \
- "mausezahn -6"
+ mdb_fdb_common $ns1 $ns2 $vtep1_ip $vtep2_ip $plen $proto $grp \
+ $grp_dmac $src "mausezahn -6"
}
mdb_grp1_loop()
@@ -2320,7 +2361,9 @@ mdb_torture_common()
local vtep1_ip=$1; shift
local vtep2_ip=$1; shift
local grp1=$1; shift
+ local grp1_dmac=$1; shift
local grp2=$1; shift
+ local grp2_dmac=$1; shift
local src=$1; shift
local mz=$1; shift
local pid1
@@ -2345,9 +2388,9 @@ mdb_torture_common()
pid1=$!
mdb_grp2_loop $ns1 $vtep1_ip $vtep2_ip $grp2 &
pid2=$!
- ip netns exec $ns1 $mz br0.10 -A $src -B $grp1 -t udp sp=12345,dp=54321 -p 100 -c 0 -q &
+ ip netns exec $ns1 $mz br0.10 -a own -b $grp1_dmac -A $src -B $grp1 -t udp sp=12345,dp=54321 -p 100 -c 0 -q &
pid3=$!
- ip netns exec $ns1 $mz br0.10 -A $src -B $grp2 -t udp sp=12345,dp=54321 -p 100 -c 0 -q &
+ ip netns exec $ns1 $mz br0.10 -a own -b $grp2_dmac -A $src -B $grp2 -t udp sp=12345,dp=54321 -p 100 -c 0 -q &
pid4=$!
sleep 30
@@ -2363,15 +2406,17 @@ mdb_torture_ipv4_ipv4()
local vtep1_ip=198.51.100.100
local vtep2_ip=198.51.100.200
local grp1=239.1.1.1
+ local grp1_dmac=01:00:5e:01:01:01
local grp2=239.2.2.2
+ local grp2_dmac=01:00:5e:02:02:02
local src=192.0.2.129
echo
echo "Data path: MDB torture test - IPv4 overlay / IPv4 underlay"
echo "----------------------------------------------------------"
- mdb_torture_common $ns1 $vtep1_ip $vtep2_ip $grp1 $grp2 $src \
- "mausezahn"
+ mdb_torture_common $ns1 $vtep1_ip $vtep2_ip $grp1 $grp1_dmac $grp2 \
+ $grp2_dmac $src "mausezahn"
}
mdb_torture_ipv6_ipv4()
@@ -2380,15 +2425,17 @@ mdb_torture_ipv6_ipv4()
local vtep1_ip=198.51.100.100
local vtep2_ip=198.51.100.200
local grp1=ff0e::1
+ local grp1_dmac=33:33:00:00:00:01
local grp2=ff0e::2
+ local grp2_dmac=33:33:00:00:00:02
local src=2001:db8:100::1
echo
echo "Data path: MDB torture test - IPv6 overlay / IPv4 underlay"
echo "----------------------------------------------------------"
- mdb_torture_common $ns1 $vtep1_ip $vtep2_ip $grp1 $grp2 $src \
- "mausezahn -6"
+ mdb_torture_common $ns1 $vtep1_ip $vtep2_ip $grp1 $grp1_dmac $grp2 \
+ $grp2_dmac $src "mausezahn -6"
}
mdb_torture_ipv4_ipv6()
@@ -2397,15 +2444,17 @@ mdb_torture_ipv4_ipv6()
local vtep1_ip=2001:db8:1000::1
local vtep2_ip=2001:db8:2000::1
local grp1=239.1.1.1
+ local grp1_dmac=01:00:5e:01:01:01
local grp2=239.2.2.2
+ local grp2_dmac=01:00:5e:02:02:02
local src=192.0.2.129
echo
echo "Data path: MDB torture test - IPv4 overlay / IPv6 underlay"
echo "----------------------------------------------------------"
- mdb_torture_common $ns1 $vtep1_ip $vtep2_ip $grp1 $grp2 $src \
- "mausezahn"
+ mdb_torture_common $ns1 $vtep1_ip $vtep2_ip $grp1 $grp1_dmac $grp2 \
+ $grp2_dmac $src "mausezahn"
}
mdb_torture_ipv6_ipv6()
@@ -2414,15 +2463,17 @@ mdb_torture_ipv6_ipv6()
local vtep1_ip=2001:db8:1000::1
local vtep2_ip=2001:db8:2000::1
local grp1=ff0e::1
+ local grp1_dmac=33:33:00:00:00:01
local grp2=ff0e::2
+ local grp2_dmac=33:33:00:00:00:02
local src=2001:db8:100::1
echo
echo "Data path: MDB torture test - IPv6 overlay / IPv6 underlay"
echo "----------------------------------------------------------"
- mdb_torture_common $ns1 $vtep1_ip $vtep2_ip $grp1 $grp2 $src \
- "mausezahn -6"
+ mdb_torture_common $ns1 $vtep1_ip $vtep2_ip $grp1 $grp1_dmac $grp2 \
+ $grp2_dmac $src "mausezahn -6"
}
################################################################################
--
GitLab
From 56ebbd19c2989f7450341f581e2724a149d0f08e Mon Sep 17 00:00:00 2001
From: Charles Keepax <ckeepax@opensource.cirrus.com>
Date: Tue, 26 Mar 2024 10:54:34 +0000
Subject: [PATCH 1609/2686] ASoC: cs42l43: Correct extraction of data pointer
in suspend/resume
The current code is pulling the wrong pointer causing it to disable the
wrong IRQ. Correct the code to pull the correct cs42l43 core data
pointer.
Fixes: 64353af49fec ("ASoC: cs42l43: Add system suspend ops to disable IRQ")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://msgid.link/r/20240326105434.852907-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/cs42l43.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/sound/soc/codecs/cs42l43.c b/sound/soc/codecs/cs42l43.c
index 860d5cda67bff..94685449f0f48 100644
--- a/sound/soc/codecs/cs42l43.c
+++ b/sound/soc/codecs/cs42l43.c
@@ -2364,7 +2364,8 @@ static int cs42l43_codec_runtime_resume(struct device *dev)
static int cs42l43_codec_suspend(struct device *dev)
{
- struct cs42l43 *cs42l43 = dev_get_drvdata(dev);
+ struct cs42l43_codec *priv = dev_get_drvdata(dev);
+ struct cs42l43 *cs42l43 = priv->core;
disable_irq(cs42l43->irq);
@@ -2373,7 +2374,8 @@ static int cs42l43_codec_suspend(struct device *dev)
static int cs42l43_codec_suspend_noirq(struct device *dev)
{
- struct cs42l43 *cs42l43 = dev_get_drvdata(dev);
+ struct cs42l43_codec *priv = dev_get_drvdata(dev);
+ struct cs42l43 *cs42l43 = priv->core;
enable_irq(cs42l43->irq);
@@ -2382,7 +2384,8 @@ static int cs42l43_codec_suspend_noirq(struct device *dev)
static int cs42l43_codec_resume(struct device *dev)
{
- struct cs42l43 *cs42l43 = dev_get_drvdata(dev);
+ struct cs42l43_codec *priv = dev_get_drvdata(dev);
+ struct cs42l43 *cs42l43 = priv->core;
enable_irq(cs42l43->irq);
@@ -2391,7 +2394,8 @@ static int cs42l43_codec_resume(struct device *dev)
static int cs42l43_codec_resume_noirq(struct device *dev)
{
- struct cs42l43 *cs42l43 = dev_get_drvdata(dev);
+ struct cs42l43_codec *priv = dev_get_drvdata(dev);
+ struct cs42l43 *cs42l43 = priv->core;
disable_irq(cs42l43->irq);
--
GitLab
From b34490879baa847d16fc529c8ea6e6d34f004b38 Mon Sep 17 00:00:00 2001
From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Date: Mon, 25 Mar 2024 10:02:42 +0100
Subject: [PATCH 1610/2686] gpio: cdev: sanitize the label before requesting
the interrupt
When an interrupt is requested, a procfs directory is created under
"/proc/irq/<irqnum>/<label>" where <label> is the string passed to one of
the request_irq() variants.
What follows is that the string must not contain the "/" character or
the procfs mkdir operation will fail. We don't have such constraints for
GPIO consumer labels which are used verbatim as interrupt labels for
GPIO irqs. We must therefore sanitize the consumer string before
requesting the interrupt.
Let's replace all "/" with ":".
Cc: stable@vger.kernel.org
Reported-by: Stefan Wahren <wahrenst@gmx.net>
Closes: https://lore.kernel.org/linux-gpio/39fe95cb-aa83-4b8b-8cab-63947a726754@gmx.net/
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Kent Gibson <warthog618@gmail.com>
---
drivers/gpio/gpiolib-cdev.c | 38 +++++++++++++++++++++++++++++++------
1 file changed, 32 insertions(+), 6 deletions(-)
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index f384fa2787648..fa96356102510 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -1083,10 +1083,20 @@ static u32 gpio_v2_line_config_debounce_period(struct gpio_v2_line_config *lc,
return 0;
}
+static inline char *make_irq_label(const char *orig)
+{
+ return kstrdup_and_replace(orig, '/', ':', GFP_KERNEL);
+}
+
+static inline void free_irq_label(const char *label)
+{
+ kfree(label);
+}
+
static void edge_detector_stop(struct line *line)
{
if (line->irq) {
- free_irq(line->irq, line);
+ free_irq_label(free_irq(line->irq, line));
line->irq = 0;
}
@@ -1110,6 +1120,7 @@ static int edge_detector_setup(struct line *line,
unsigned long irqflags = 0;
u64 eflags;
int irq, ret;
+ char *label;
eflags = edflags & GPIO_V2_LINE_EDGE_FLAGS;
if (eflags && !kfifo_initialized(&line->req->events)) {
@@ -1146,11 +1157,17 @@ static int edge_detector_setup(struct line *line,
IRQF_TRIGGER_RISING : IRQF_TRIGGER_FALLING;
irqflags |= IRQF_ONESHOT;
+ label = make_irq_label(line->req->label);
+ if (!label)
+ return -ENOMEM;
+
/* Request a thread to read the events */
ret = request_threaded_irq(irq, edge_irq_handler, edge_irq_thread,
- irqflags, line->req->label, line);
- if (ret)
+ irqflags, label, line);
+ if (ret) {
+ free_irq_label(label);
return ret;
+ }
line->irq = irq;
return 0;
@@ -1973,7 +1990,7 @@ static void lineevent_free(struct lineevent_state *le)
blocking_notifier_chain_unregister(&le->gdev->device_notifier,
&le->device_unregistered_nb);
if (le->irq)
- free_irq(le->irq, le);
+ free_irq_label(free_irq(le->irq, le));
if (le->desc)
gpiod_free(le->desc);
kfree(le->label);
@@ -2114,6 +2131,7 @@ static int lineevent_create(struct gpio_device *gdev, void __user *ip)
int fd;
int ret;
int irq, irqflags = 0;
+ char *label;
if (copy_from_user(&eventreq, ip, sizeof(eventreq)))
return -EFAULT;
@@ -2198,15 +2216,23 @@ static int lineevent_create(struct gpio_device *gdev, void __user *ip)
if (ret)
goto out_free_le;
+ label = make_irq_label(le->label);
+ if (!label) {
+ ret = -ENOMEM;
+ goto out_free_le;
+ }
+
/* Request a thread to read the events */
ret = request_threaded_irq(irq,
lineevent_irq_handler,
lineevent_irq_thread,
irqflags,
- le->label,
+ label,
le);
- if (ret)
+ if (ret) {
+ free_irq_label(label);
goto out_free_le;
+ }
le->irq = irq;
--
GitLab
From 52464f59a361a3ba49d6eabc4f65d5c0b9d1de39 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@kernel.org>
Date: Mon, 25 Mar 2024 17:00:57 +0000
Subject: [PATCH 1611/2686] gpiolib: Add stubs for GPIO lookup functions
The gpio_device_find_by_() functions do not have stubs which means that if
they are referenced from code with an optiona dependency on gpiolib then
the code will fail to link. Add stubs for lookups via fwnode and label. I
have not added a stub for plain gpio_device_find() since it seems harder to
see a use case for that which does not depend on gpiolib.
With the addition of the GPIO reset controller (which lacks a gpiolib
dependency) to the arm64 defconfig this is causing build breaks for arm64
virtconfig in -next:
aarch64-linux-gnu-ld: drivers/reset/core.o: in function `__reset_add_reset_gpio_lookup':
/build/stage/linux/drivers/reset/core.c:861:(.text+0xccc): undefined reference to `gpio_device_find_by_fwnode'
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
include/linux/gpio/driver.h | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index dc75f802e2847..f8617eaf08bad 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -646,8 +646,6 @@ int devm_gpiochip_add_data_with_key(struct device *dev, struct gpio_chip *gc,
struct gpio_device *gpio_device_find(const void *data,
int (*match)(struct gpio_chip *gc,
const void *data));
-struct gpio_device *gpio_device_find_by_label(const char *label);
-struct gpio_device *gpio_device_find_by_fwnode(const struct fwnode_handle *fwnode);
struct gpio_device *gpio_device_get(struct gpio_device *gdev);
void gpio_device_put(struct gpio_device *gdev);
@@ -814,6 +812,9 @@ struct gpio_device *gpiod_to_gpio_device(struct gpio_desc *desc);
int gpio_device_get_base(struct gpio_device *gdev);
const char *gpio_device_get_label(struct gpio_device *gdev);
+struct gpio_device *gpio_device_find_by_label(const char *label);
+struct gpio_device *gpio_device_find_by_fwnode(const struct fwnode_handle *fwnode);
+
#else /* CONFIG_GPIOLIB */
#include <asm/bug.h>
@@ -843,6 +844,18 @@ static inline const char *gpio_device_get_label(struct gpio_device *gdev)
return NULL;
}
+static inline struct gpio_device *gpio_device_find_by_label(const char *label)
+{
+ WARN_ON(1);
+ return NULL;
+}
+
+static inline struct gpio_device *gpio_device_find_by_fwnode(const struct fwnode_handle *fwnode)
+{
+ WARN_ON(1);
+ return NULL;
+}
+
static inline int gpiochip_lock_as_irq(struct gpio_chip *gc,
unsigned int offset)
{
--
GitLab
From 5c887b65bbd1a3fc28e2e20399acede0baa83edb Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 25 Mar 2024 19:16:25 +0200
Subject: [PATCH 1612/2686] gpiolib: Fix debug messaging in
gpiod_find_and_request()
When consolidating GPIO lookups in ACPI code, the debug messaging
had been reworked that the user may see
[ 13.401147] (NULL device *): using ACPI '\_SB.LEDS.led-0' for '(null)' GPIO lookup
[ 13.401378] gpio gpiochip0: Persistence not supported for GPIO 40
[ 13.401402] gpio-40 (?): no flags found for (null)
instead of
[ 14.182962] gpio gpiochip0: Persistence not supported for GPIO 40
[ 14.182994] gpio-40 (?): no flags found for gpios
The '(null)' parts are less informative and likely scare the users.
Replace them by '(default)' which can point out to the default connection
IDs, such as 'gpios'.
While at it, amend other places where con_id is used in the messages.
Reported-by: Ferry Toth <ftoth@exalondelft.nl>
Fixes: 8eb1f71e7acc ("gpiolib: consolidate GPIO lookups")
Suggested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Ferry Toth <ftoth@exalondelft.nl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
drivers/gpio/gpiolib.c | 32 ++++++++++++++++++--------------
1 file changed, 18 insertions(+), 14 deletions(-)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index ce94e37bcbee7..59ccf9a3e1539 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2397,6 +2397,11 @@ char *gpiochip_dup_line_label(struct gpio_chip *gc, unsigned int offset)
}
EXPORT_SYMBOL_GPL(gpiochip_dup_line_label);
+static inline const char *function_name_or_default(const char *con_id)
+{
+ return con_id ?: "(default)";
+}
+
/**
* gpiochip_request_own_desc - Allow GPIO chip to request its own descriptor
* @gc: GPIO chip
@@ -2425,10 +2430,11 @@ struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc,
enum gpiod_flags dflags)
{
struct gpio_desc *desc = gpiochip_get_desc(gc, hwnum);
+ const char *name = function_name_or_default(label);
int ret;
if (IS_ERR(desc)) {
- chip_err(gc, "failed to get GPIO descriptor\n");
+ chip_err(gc, "failed to get GPIO %s descriptor\n", name);
return desc;
}
@@ -2438,8 +2444,8 @@ struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc,
ret = gpiod_configure_flags(desc, label, lflags, dflags);
if (ret) {
- chip_err(gc, "setup of own GPIO %s failed\n", label);
gpiod_free_commit(desc);
+ chip_err(gc, "setup of own GPIO %s failed\n", name);
return ERR_PTR(ret);
}
@@ -4153,19 +4159,17 @@ static struct gpio_desc *gpiod_find_by_fwnode(struct fwnode_handle *fwnode,
enum gpiod_flags *flags,
unsigned long *lookupflags)
{
+ const char *name = function_name_or_default(con_id);
struct gpio_desc *desc = ERR_PTR(-ENOENT);
if (is_of_node(fwnode)) {
- dev_dbg(consumer, "using DT '%pfw' for '%s' GPIO lookup\n",
- fwnode, con_id);
+ dev_dbg(consumer, "using DT '%pfw' for '%s' GPIO lookup\n", fwnode, name);
desc = of_find_gpio(to_of_node(fwnode), con_id, idx, lookupflags);
} else if (is_acpi_node(fwnode)) {
- dev_dbg(consumer, "using ACPI '%pfw' for '%s' GPIO lookup\n",
- fwnode, con_id);
+ dev_dbg(consumer, "using ACPI '%pfw' for '%s' GPIO lookup\n", fwnode, name);
desc = acpi_find_gpio(fwnode, con_id, idx, flags, lookupflags);
} else if (is_software_node(fwnode)) {
- dev_dbg(consumer, "using swnode '%pfw' for '%s' GPIO lookup\n",
- fwnode, con_id);
+ dev_dbg(consumer, "using swnode '%pfw' for '%s' GPIO lookup\n", fwnode, name);
desc = swnode_find_gpio(fwnode, con_id, idx, lookupflags);
}
@@ -4181,6 +4185,7 @@ struct gpio_desc *gpiod_find_and_request(struct device *consumer,
bool platform_lookup_allowed)
{
unsigned long lookupflags = GPIO_LOOKUP_FLAGS_DEFAULT;
+ const char *name = function_name_or_default(con_id);
/*
* scoped_guard() is implemented as a for loop, meaning static
* analyzers will complain about these two not being initialized.
@@ -4203,8 +4208,7 @@ struct gpio_desc *gpiod_find_and_request(struct device *consumer,
}
if (IS_ERR(desc)) {
- dev_dbg(consumer, "No GPIO consumer %s found\n",
- con_id);
+ dev_dbg(consumer, "No GPIO consumer %s found\n", name);
return desc;
}
@@ -4226,15 +4230,14 @@ struct gpio_desc *gpiod_find_and_request(struct device *consumer,
*
* FIXME: Make this more sane and safe.
*/
- dev_info(consumer,
- "nonexclusive access to GPIO for %s\n", con_id);
+ dev_info(consumer, "nonexclusive access to GPIO for %s\n", name);
return desc;
}
ret = gpiod_configure_flags(desc, con_id, lookupflags, flags);
if (ret < 0) {
- dev_dbg(consumer, "setup of GPIO %s failed\n", con_id);
gpiod_put(desc);
+ dev_dbg(consumer, "setup of GPIO %s failed\n", name);
return ERR_PTR(ret);
}
@@ -4350,6 +4353,7 @@ EXPORT_SYMBOL_GPL(gpiod_get_optional);
int gpiod_configure_flags(struct gpio_desc *desc, const char *con_id,
unsigned long lflags, enum gpiod_flags dflags)
{
+ const char *name = function_name_or_default(con_id);
int ret;
if (lflags & GPIO_ACTIVE_LOW)
@@ -4393,7 +4397,7 @@ int gpiod_configure_flags(struct gpio_desc *desc, const char *con_id,
/* No particular flag request, return here... */
if (!(dflags & GPIOD_FLAGS_BIT_DIR_SET)) {
- gpiod_dbg(desc, "no flags found for %s\n", con_id);
+ gpiod_dbg(desc, "no flags found for GPIO %s\n", name);
return 0;
}
--
GitLab
From 40e2710860e57411ab57a1529c5a2748abbe8a19 Mon Sep 17 00:00:00 2001
From: Nikita Kiryushin <kiryushin@ancud.ru>
Date: Fri, 22 Mar 2024 21:07:53 +0300
Subject: [PATCH 1613/2686] ACPICA: debugger: check status of
acpi_evaluate_object() in acpi_db_walk_for_fields()
ACPICA commit 9061cd9aa131205657c811a52a9f8325a040c6c9
Errors in acpi_evaluate_object() can lead to incorrect state of buffer.
This can lead to access to data in previously ACPI_FREEd buffer and
secondary ACPI_FREE to the same buffer later.
Handle errors in acpi_evaluate_object the same way it is done earlier
with acpi_ns_handle_to_pathname.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Link: https://github.com/acpica/acpica/commit/9061cd9a
Fixes: 5fd033288a86 ("ACPICA: debugger: add command to dump all fields of particular subtype")
Signed-off-by: Nikita Kiryushin <kiryushin@ancud.ru>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/acpi/acpica/dbnames.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c
index b91155ea9c343..c9131259f717b 100644
--- a/drivers/acpi/acpica/dbnames.c
+++ b/drivers/acpi/acpica/dbnames.c
@@ -550,8 +550,12 @@ acpi_db_walk_for_fields(acpi_handle obj_handle,
ACPI_FREE(buffer.pointer);
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
- acpi_evaluate_object(obj_handle, NULL, NULL, &buffer);
-
+ status = acpi_evaluate_object(obj_handle, NULL, NULL, &buffer);
+ if (ACPI_FAILURE(status)) {
+ acpi_os_printf("Could Not evaluate object %p\n",
+ obj_handle);
+ return (AE_OK);
+ }
/*
* Since this is a field unit, surround the output in braces
*/
--
GitLab
From f67cf45deedb118af302534643627ce59074e8eb Mon Sep 17 00:00:00 2001
From: Daniel Lezcano <daniel.lezcano@linaro.org>
Date: Mon, 25 Mar 2024 23:24:24 +0100
Subject: [PATCH 1614/2686] Revert "thermal: core: Don't update trip points
inside the hysteresis range"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
It has been reported the commit cf3986f8c01d3 introduced a regression
when the temperature is wavering in the hysteresis region. The
mitigation stops leading to an uncontrolled temperature increase until
reaching the critical trip point.
Here what happens:
* 'throttle' is when the current temperature is greater than the trip
point temperature
* 'target' is the mitigation level
* 'passive' is positive when there is a mitigation, zero otherwise
* these values are computed in the step_wise governor
Configuration:
trip point 1: temp=95°C, hyst=5°C (passive)
trip point 2: temp=115°C, hyst=0°C (critical)
governor: step_wise
1. The temperature crosses the way up the trip point 1 at 95°C
- trend=raising
- throttle=1, target=1
- passive=1
- set_trips: low=90°C, high=115°C
2. The temperature decreases but stays in the hysteresis region at
93°C
- trend=dropping
- throttle=0, target=0
- passive=1
Before cf3986f8c01d3
- set_trips: low=90°C, high=95°C
After cf3986f8c01d3
- set_trips: low=90°C, high=115°C
3. The temperature increases a bit but stays in the hysteresis region
at 94°C (so below the trip point 1 temp 95°C)
- trend=raising
- throttle=0, target=0
- passive=1
Before cf3986f8c01d3
- set_trips: low=90°C, high=95°C
After cf3986f8c01d3
- set_trips: low=90°C, high=115°C
4. The temperature decreases but stays in the hysteresis region at
93°C
- trend=dropping
- throttle=0, target=THERMAL_NO_TARGET
- passive=0
Before cf3986f8c01d3
- set_trips: low=90°C, high=95°C
After cf3986f8c01d3
- set_trips: low=90°C, high=115°C
At this point, the 'passive' value is zero, there is no mitigation,
the temperature is in the hysteresis region, the next trip point is
115°C. As 'passive' is zero, the timer to monitor the thermal zone is
disabled. Consequently if the temperature continues to increase, no
mitigation will happen and it will reach the 115°C trip point and
reboot.
Before the optimization, the high boundary would have been 95°C, thus
triggering the mitigation again and rearming the polling timer.
The optimization make sense but given the current implementation of
the step_wise governor collaborating via this 'passive' flag with the
core framework it can not work.
From a higher perspective it seems like there is a problem between the
governor which sets a variable to be used by the core framework. That
sounds akward and it would make much more sense if the core framework
controls the governor and not the opposite. But as the devil hides in
the details, there are some subtilities to be addressed before.
Elaborating those would be out of the scope this changelog. So let's
stay simple and revert the change first to fixup all broken mobile
platforms.
This reverts commit cf3986f8c01d3 ("thermal: core: Don't update trip
points inside the hysteresis range") and takes a conflict with commit
0c0c4740c9d26 ("0c0c4740c9d2 thermal: trip: Use for_each_trip() in
__thermal_zone_set_trips()") in drivers/thermal/thermal_trip.c into
account.
Fixes: cf3986f8c01d3 ("thermal: core: Don't update trip points inside the hysteresis range")
Reported-by: Manaf Meethalavalappu Pallikunhi <quic_manafm@quicinc.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: NÃcolas F. R. A. Prado <nfraprado@collabora.com>
Cc: 6.7+ <stable@vger.kernel.org> # 6.7+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/thermal/thermal_trip.c | 19 ++-----------------
1 file changed, 2 insertions(+), 17 deletions(-)
diff --git a/drivers/thermal/thermal_trip.c b/drivers/thermal/thermal_trip.c
index 09f6050dd0416..497abf0d47cac 100644
--- a/drivers/thermal/thermal_trip.c
+++ b/drivers/thermal/thermal_trip.c
@@ -65,7 +65,6 @@ void __thermal_zone_set_trips(struct thermal_zone_device *tz)
{
const struct thermal_trip *trip;
int low = -INT_MAX, high = INT_MAX;
- bool same_trip = false;
int ret;
lockdep_assert_held(&tz->lock);
@@ -74,36 +73,22 @@ void __thermal_zone_set_trips(struct thermal_zone_device *tz)
return;
for_each_trip(tz, trip) {
- bool low_set = false;
int trip_low;
trip_low = trip->temperature - trip->hysteresis;
- if (trip_low < tz->temperature && trip_low > low) {
+ if (trip_low < tz->temperature && trip_low > low)
low = trip_low;
- low_set = true;
- same_trip = false;
- }
if (trip->temperature > tz->temperature &&
- trip->temperature < high) {
+ trip->temperature < high)
high = trip->temperature;
- same_trip = low_set;
- }
}
/* No need to change trip points */
if (tz->prev_low_trip == low && tz->prev_high_trip == high)
return;
- /*
- * If "high" and "low" are the same, skip the change unless this is the
- * first time.
- */
- if (same_trip && (tz->prev_low_trip != -INT_MAX ||
- tz->prev_high_trip != INT_MAX))
- return;
-
tz->prev_low_trip = low;
tz->prev_high_trip = high;
--
GitLab
From 8ea3f4f1a1b4242d5fc273f41aa7c86f6b40178c Mon Sep 17 00:00:00 2001
From: Francesco Dolcini <francesco@dolcini.it>
Date: Thu, 21 Mar 2024 17:34:20 +0100
Subject: [PATCH 1615/2686] MAINTAINERS: wifi: mwifiex: add Francesco as
reviewer
As discussed on the mailing list, add myself as mwifiex driver reviewer.
Link: https://lore.kernel.org/all/20240318112830.GA9565@francesco-nb/
Signed-off-by: Francesco Dolcini <francesco@dolcini.it>
Acked-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240321163420.11158-1-francesco@dolcini.it
---
MAINTAINERS | 1 +
1 file changed, 1 insertion(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 452288995991a..c12849bec1426 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13077,6 +13077,7 @@ F: drivers/net/ethernet/marvell/mvpp2/
MARVELL MWIFIEX WIRELESS DRIVER
M: Brian Norris <briannorris@chromium.org>
+R: Francesco Dolcini <francesco@dolcini.it>
L: linux-wireless@vger.kernel.org
S: Odd Fixes
F: drivers/net/wireless/marvell/mwifiex/
--
GitLab
From 3c7b9856a82227db01a20171d2e24c7ce305d59b Mon Sep 17 00:00:00 2001
From: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Date: Wed, 13 Mar 2024 09:21:11 +0000
Subject: [PATCH 1616/2686] usb: dwc2: host: Fix hibernation flow
Added to backup/restore registers HFLBADDR, HCCHARi, HCSPLTi,
HCTSIZi, HCDMAi and HCDMABi.
Fixes: 58e52ff6a6c3 ("usb: dwc2: Move register save and restore functions")
Fixes: d17ee77b3044 ("usb: dwc2: add controller hibernation support")
CC: stable@vger.kernel.org
Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Link: https://lore.kernel.org/r/c2d10ee6098b9b009a8e94191e046004747d3bdd.1708945444.git.Minas.Harutyunyan@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc2/core.h | 12 ++++++++++++
drivers/usb/dwc2/hcd.c | 18 ++++++++++++++++--
2 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index c92a1da46a014..40f0af171bac7 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -729,8 +729,14 @@ struct dwc2_dregs_backup {
* struct dwc2_hregs_backup - Holds host registers state before
* entering partial power down
* @hcfg: Backup of HCFG register
+ * @hflbaddr: Backup of HFLBADDR register
* @haintmsk: Backup of HAINTMSK register
+ * @hcchar: Backup of HCCHAR register
+ * @hcsplt: Backup of HCSPLT register
* @hcintmsk: Backup of HCINTMSK register
+ * @hctsiz: Backup of HCTSIZ register
+ * @hdma: Backup of HCDMA register
+ * @hcdmab: Backup of HCDMAB register
* @hprt0: Backup of HPTR0 register
* @hfir: Backup of HFIR register
* @hptxfsiz: Backup of HPTXFSIZ register
@@ -738,8 +744,14 @@ struct dwc2_dregs_backup {
*/
struct dwc2_hregs_backup {
u32 hcfg;
+ u32 hflbaddr;
u32 haintmsk;
+ u32 hcchar[MAX_EPS_CHANNELS];
+ u32 hcsplt[MAX_EPS_CHANNELS];
u32 hcintmsk[MAX_EPS_CHANNELS];
+ u32 hctsiz[MAX_EPS_CHANNELS];
+ u32 hcidma[MAX_EPS_CHANNELS];
+ u32 hcidmab[MAX_EPS_CHANNELS];
u32 hprt0;
u32 hfir;
u32 hptxfsiz;
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 35c7a4df8e717..83d5b2548f592 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -5406,9 +5406,16 @@ int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg)
/* Backup Host regs */
hr = &hsotg->hr_backup;
hr->hcfg = dwc2_readl(hsotg, HCFG);
+ hr->hflbaddr = dwc2_readl(hsotg, HFLBADDR);
hr->haintmsk = dwc2_readl(hsotg, HAINTMSK);
- for (i = 0; i < hsotg->params.host_channels; ++i)
+ for (i = 0; i < hsotg->params.host_channels; ++i) {
+ hr->hcchar[i] = dwc2_readl(hsotg, HCCHAR(i));
+ hr->hcsplt[i] = dwc2_readl(hsotg, HCSPLT(i));
hr->hcintmsk[i] = dwc2_readl(hsotg, HCINTMSK(i));
+ hr->hctsiz[i] = dwc2_readl(hsotg, HCTSIZ(i));
+ hr->hcidma[i] = dwc2_readl(hsotg, HCDMA(i));
+ hr->hcidmab[i] = dwc2_readl(hsotg, HCDMAB(i));
+ }
hr->hprt0 = dwc2_read_hprt0(hsotg);
hr->hfir = dwc2_readl(hsotg, HFIR);
@@ -5442,10 +5449,17 @@ int dwc2_restore_host_registers(struct dwc2_hsotg *hsotg)
hr->valid = false;
dwc2_writel(hsotg, hr->hcfg, HCFG);
+ dwc2_writel(hsotg, hr->hflbaddr, HFLBADDR);
dwc2_writel(hsotg, hr->haintmsk, HAINTMSK);
- for (i = 0; i < hsotg->params.host_channels; ++i)
+ for (i = 0; i < hsotg->params.host_channels; ++i) {
+ dwc2_writel(hsotg, hr->hcchar[i], HCCHAR(i));
+ dwc2_writel(hsotg, hr->hcsplt[i], HCSPLT(i));
dwc2_writel(hsotg, hr->hcintmsk[i], HCINTMSK(i));
+ dwc2_writel(hsotg, hr->hctsiz[i], HCTSIZ(i));
+ dwc2_writel(hsotg, hr->hcidma[i], HCDMA(i));
+ dwc2_writel(hsotg, hr->hcidmab[i], HCDMAB(i));
+ }
dwc2_writel(hsotg, hr->hprt0, HPRT0);
dwc2_writel(hsotg, hr->hfir, HFIR);
--
GitLab
From bae2bc73a59c200db53b6c15fb26bb758e2c6108 Mon Sep 17 00:00:00 2001
From: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Date: Wed, 13 Mar 2024 09:21:21 +0000
Subject: [PATCH 1617/2686] usb: dwc2: host: Fix remote wakeup from hibernation
Starting from core v4.30a changed order of programming
GPWRDN_PMUACTV to 0 in case of exit from hibernation on
remote wakeup signaling from device.
Fixes: c5c403dc4336 ("usb: dwc2: Add host/device hibernation functions")
CC: stable@vger.kernel.org
Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Link: https://lore.kernel.org/r/99385ec55ce73445b6fbd0f471c9bd40eb1c9b9e.1708939799.git.Minas.Harutyunyan@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc2/core.h | 1 +
drivers/usb/dwc2/hcd.c | 17 +++++++++++++----
2 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index 40f0af171bac7..5568448a977b1 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -1098,6 +1098,7 @@ struct dwc2_hsotg {
bool needs_byte_swap;
/* DWC OTG HW Release versions */
+#define DWC2_CORE_REV_4_30a 0x4f54430a
#define DWC2_CORE_REV_2_71a 0x4f54271a
#define DWC2_CORE_REV_2_72a 0x4f54272a
#define DWC2_CORE_REV_2_80a 0x4f54280a
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 83d5b2548f592..6de999c7513eb 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -5624,10 +5624,12 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup,
dwc2_writel(hsotg, hr->hcfg, HCFG);
/* De-assert Wakeup Logic */
- gpwrdn = dwc2_readl(hsotg, GPWRDN);
- gpwrdn &= ~GPWRDN_PMUACTV;
- dwc2_writel(hsotg, gpwrdn, GPWRDN);
- udelay(10);
+ if (!(rem_wakeup && hsotg->hw_params.snpsid >= DWC2_CORE_REV_4_30a)) {
+ gpwrdn = dwc2_readl(hsotg, GPWRDN);
+ gpwrdn &= ~GPWRDN_PMUACTV;
+ dwc2_writel(hsotg, gpwrdn, GPWRDN);
+ udelay(10);
+ }
hprt0 = hr->hprt0;
hprt0 |= HPRT0_PWR;
@@ -5652,6 +5654,13 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup,
hprt0 |= HPRT0_RES;
dwc2_writel(hsotg, hprt0, HPRT0);
+ /* De-assert Wakeup Logic */
+ if ((rem_wakeup && hsotg->hw_params.snpsid >= DWC2_CORE_REV_4_30a)) {
+ gpwrdn = dwc2_readl(hsotg, GPWRDN);
+ gpwrdn &= ~GPWRDN_PMUACTV;
+ dwc2_writel(hsotg, gpwrdn, GPWRDN);
+ udelay(10);
+ }
/* Wait for Resume time and then program HPRT again */
mdelay(100);
hprt0 &= ~HPRT0_RES;
--
GitLab
From b258e42688501cadb1a6dd658d6f015df9f32d8f Mon Sep 17 00:00:00 2001
From: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Date: Wed, 13 Mar 2024 09:21:32 +0000
Subject: [PATCH 1618/2686] usb: dwc2: host: Fix ISOC flow in DDMA mode
Fixed ISOC completion flow in DDMA mode. Added isoc
descriptor actual length value and update urb's start_frame
value.
Fixed initialization of ISOC DMA descriptors flow.
Fixes: 56f5b1cff22a ("staging: Core files for the DWC2 driver")
Fixes: 20f2eb9c4cf8 ("staging: dwc2: add microframe scheduler from downstream Pi kernel")
Fixes: c17b337c1ea4 ("usb: dwc2: host: program descriptor for next frame")
Fixes: dc4c76e7b22c ("staging: HCD descriptor DMA support for the DWC2 driver")
Fixes: 762d3a1a9cd7 ("usb: dwc2: host: process all completed urbs")
CC: stable@vger.kernel.org
Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Link: https://lore.kernel.org/r/a8b1e1711cc6cabfb45d92ede12e35445c66f06c.1708944698.git.Minas.Harutyunyan@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc2/hcd.c | 12 ++++++++++--
drivers/usb/dwc2/hcd_ddma.c | 17 +++++++++++------
drivers/usb/dwc2/hw.h | 2 +-
3 files changed, 22 insertions(+), 9 deletions(-)
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 6de999c7513eb..70b389125f635 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -2701,8 +2701,11 @@ enum dwc2_transaction_type dwc2_hcd_select_transactions(
hsotg->available_host_channels--;
}
qh = list_entry(qh_ptr, struct dwc2_qh, qh_list_entry);
- if (dwc2_assign_and_init_hc(hsotg, qh))
+ if (dwc2_assign_and_init_hc(hsotg, qh)) {
+ if (hsotg->params.uframe_sched)
+ hsotg->available_host_channels++;
break;
+ }
/*
* Move the QH from the periodic ready schedule to the
@@ -2735,8 +2738,11 @@ enum dwc2_transaction_type dwc2_hcd_select_transactions(
hsotg->available_host_channels--;
}
- if (dwc2_assign_and_init_hc(hsotg, qh))
+ if (dwc2_assign_and_init_hc(hsotg, qh)) {
+ if (hsotg->params.uframe_sched)
+ hsotg->available_host_channels++;
break;
+ }
/*
* Move the QH from the non-periodic inactive schedule to the
@@ -4143,6 +4149,8 @@ void dwc2_host_complete(struct dwc2_hsotg *hsotg, struct dwc2_qtd *qtd,
urb->actual_length);
if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
+ if (!hsotg->params.dma_desc_enable)
+ urb->start_frame = qtd->qh->start_active_frame;
urb->error_count = dwc2_hcd_urb_get_error_count(qtd->urb);
for (i = 0; i < urb->number_of_packets; ++i) {
urb->iso_frame_desc[i].actual_length =
diff --git a/drivers/usb/dwc2/hcd_ddma.c b/drivers/usb/dwc2/hcd_ddma.c
index 6b4d825e97a2d..79582b102c7ed 100644
--- a/drivers/usb/dwc2/hcd_ddma.c
+++ b/drivers/usb/dwc2/hcd_ddma.c
@@ -559,7 +559,7 @@ static void dwc2_init_isoc_dma_desc(struct dwc2_hsotg *hsotg,
idx = qh->td_last;
inc = qh->host_interval;
hsotg->frame_number = dwc2_hcd_get_frame_number(hsotg);
- cur_idx = dwc2_frame_list_idx(hsotg->frame_number);
+ cur_idx = idx;
next_idx = dwc2_desclist_idx_inc(qh->td_last, inc, qh->dev_speed);
/*
@@ -866,6 +866,8 @@ static int dwc2_cmpl_host_isoc_dma_desc(struct dwc2_hsotg *hsotg,
{
struct dwc2_dma_desc *dma_desc;
struct dwc2_hcd_iso_packet_desc *frame_desc;
+ u16 frame_desc_idx;
+ struct urb *usb_urb = qtd->urb->priv;
u16 remain = 0;
int rc = 0;
@@ -878,8 +880,11 @@ static int dwc2_cmpl_host_isoc_dma_desc(struct dwc2_hsotg *hsotg,
DMA_FROM_DEVICE);
dma_desc = &qh->desc_list[idx];
+ frame_desc_idx = (idx - qtd->isoc_td_first) & (usb_urb->number_of_packets - 1);
- frame_desc = &qtd->urb->iso_descs[qtd->isoc_frame_index_last];
+ frame_desc = &qtd->urb->iso_descs[frame_desc_idx];
+ if (idx == qtd->isoc_td_first)
+ usb_urb->start_frame = dwc2_hcd_get_frame_number(hsotg);
dma_desc->buf = (u32)(qtd->urb->dma + frame_desc->offset);
if (chan->ep_is_in)
remain = (dma_desc->status & HOST_DMA_ISOC_NBYTES_MASK) >>
@@ -900,7 +905,7 @@ static int dwc2_cmpl_host_isoc_dma_desc(struct dwc2_hsotg *hsotg,
frame_desc->status = 0;
}
- if (++qtd->isoc_frame_index == qtd->urb->packet_count) {
+ if (++qtd->isoc_frame_index == usb_urb->number_of_packets) {
/*
* urb->status is not used for isoc transfers here. The
* individual frame_desc status are used instead.
@@ -1005,11 +1010,11 @@ static void dwc2_complete_isoc_xfer_ddma(struct dwc2_hsotg *hsotg,
return;
idx = dwc2_desclist_idx_inc(idx, qh->host_interval,
chan->speed);
- if (!rc)
+ if (rc == 0)
continue;
- if (rc == DWC2_CMPL_DONE)
- break;
+ if (rc == DWC2_CMPL_DONE || rc == DWC2_CMPL_STOP)
+ goto stop_scan;
/* rc == DWC2_CMPL_STOP */
diff --git a/drivers/usb/dwc2/hw.h b/drivers/usb/dwc2/hw.h
index 13abdd5f67529..12f8c7f86dc98 100644
--- a/drivers/usb/dwc2/hw.h
+++ b/drivers/usb/dwc2/hw.h
@@ -698,7 +698,7 @@
#define TXSTS_QTOP_TOKEN_MASK (0x3 << 25)
#define TXSTS_QTOP_TOKEN_SHIFT 25
#define TXSTS_QTOP_TERMINATE BIT(24)
-#define TXSTS_QSPCAVAIL_MASK (0xff << 16)
+#define TXSTS_QSPCAVAIL_MASK (0x7f << 16)
#define TXSTS_QSPCAVAIL_SHIFT 16
#define TXSTS_FSPCAVAIL_MASK (0xffff << 0)
#define TXSTS_FSPCAVAIL_SHIFT 0
--
GitLab
From 31f42da31417bec88158f3cf62d19db836217f1e Mon Sep 17 00:00:00 2001
From: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Date: Wed, 13 Mar 2024 09:22:01 +0000
Subject: [PATCH 1619/2686] usb: dwc2: gadget: Fix exiting from clock gating
Added exiting from the clock gating mode on USB Reset Detect interrupt
if core in the clock gating mode.
Added new condition to check core in clock gating mode or no.
Fixes: 9b4965d77e11 ("usb: dwc2: Add exit clock gating from session request interrupt")
Fixes: 5d240efddc7f ("usb: dwc2: Add exit clock gating from wakeup interrupt")
Fixes: 16c729f90bdf ("usb: dwc2: Allow exit clock gating in urb enqueue")
Fixes: 401411bbc4e6 ("usb: dwc2: Add exit clock gating before removing driver")
CC: stable@vger.kernel.org
Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Link: https://lore.kernel.org/r/cbcc2ccd37e89e339130797ed68ae4597db773ac.1708938774.git.Minas.Harutyunyan@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc2/core_intr.c | 9 ++++++---
drivers/usb/dwc2/gadget.c | 6 ++++++
drivers/usb/dwc2/hcd.c | 2 +-
drivers/usb/dwc2/platform.c | 2 +-
4 files changed, 14 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c
index 158ede7538548..f8426e3d2b19b 100644
--- a/drivers/usb/dwc2/core_intr.c
+++ b/drivers/usb/dwc2/core_intr.c
@@ -297,7 +297,8 @@ static void dwc2_handle_session_req_intr(struct dwc2_hsotg *hsotg)
/* Exit gadget mode clock gating. */
if (hsotg->params.power_down ==
- DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended)
+ DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended &&
+ !hsotg->params.no_clock_gating)
dwc2_gadget_exit_clock_gating(hsotg, 0);
}
@@ -408,7 +409,8 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg)
/* Exit gadget mode clock gating. */
if (hsotg->params.power_down ==
- DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended)
+ DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended &&
+ !hsotg->params.no_clock_gating)
dwc2_gadget_exit_clock_gating(hsotg, 0);
} else {
/* Change to L0 state */
@@ -425,7 +427,8 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg)
}
if (hsotg->params.power_down ==
- DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended)
+ DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended &&
+ !hsotg->params.no_clock_gating)
dwc2_host_exit_clock_gating(hsotg, 1);
/*
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index b517a7216de22..8d3d937c81f9e 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3727,6 +3727,12 @@ static irqreturn_t dwc2_hsotg_irq(int irq, void *pw)
if (hsotg->in_ppd && hsotg->lx_state == DWC2_L2)
dwc2_exit_partial_power_down(hsotg, 0, true);
+ /* Exit gadget mode clock gating. */
+ if (hsotg->params.power_down ==
+ DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended &&
+ !hsotg->params.no_clock_gating)
+ dwc2_gadget_exit_clock_gating(hsotg, 0);
+
hsotg->lx_state = DWC2_L0;
}
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 70b389125f635..dd5b1c5691e11 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -4657,7 +4657,7 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
}
if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_NONE &&
- hsotg->bus_suspended) {
+ hsotg->bus_suspended && !hsotg->params.no_clock_gating) {
if (dwc2_is_device_mode(hsotg))
dwc2_gadget_exit_clock_gating(hsotg, 0);
else
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index b1d48019e944f..7b84416dfc2b1 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -331,7 +331,7 @@ static void dwc2_driver_remove(struct platform_device *dev)
/* Exit clock gating when driver is removed. */
if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_NONE &&
- hsotg->bus_suspended) {
+ hsotg->bus_suspended && !hsotg->params.no_clock_gating) {
if (dwc2_is_device_mode(hsotg))
dwc2_gadget_exit_clock_gating(hsotg, 0);
else
--
GitLab
From 5d69a3b54e5a630c90d82a4c2bdce3d53dc78710 Mon Sep 17 00:00:00 2001
From: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Date: Wed, 13 Mar 2024 09:22:13 +0000
Subject: [PATCH 1620/2686] usb: dwc2: gadget: LPM flow fix
Added functionality to exit from L1 state by device initiation
using remote wakeup signaling, in case when function driver queuing
request while core in L1 state.
Fixes: 273d576c4d41 ("usb: dwc2: gadget: Add functionality to exit from LPM L1 state")
Fixes: 88b02f2cb1e1 ("usb: dwc2: Add core state checking")
CC: stable@vger.kernel.org
Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Link: https://lore.kernel.org/r/b4d9de5382375dddbf7ef6049d9a82066ad87d5d.1710166393.git.Minas.Harutyunyan@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc2/core.h | 1 +
drivers/usb/dwc2/core_intr.c | 63 ++++++++++++++++++++++++------------
drivers/usb/dwc2/gadget.c | 4 +++
3 files changed, 47 insertions(+), 21 deletions(-)
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index 5568448a977b1..a141f83aba0cc 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -1336,6 +1336,7 @@ int dwc2_backup_global_registers(struct dwc2_hsotg *hsotg);
int dwc2_restore_global_registers(struct dwc2_hsotg *hsotg);
void dwc2_enable_acg(struct dwc2_hsotg *hsotg);
+void dwc2_wakeup_from_lpm_l1(struct dwc2_hsotg *hsotg, bool remotewakeup);
/* This function should be called on every hardware interrupt. */
irqreturn_t dwc2_handle_common_intr(int irq, void *dev);
diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c
index f8426e3d2b19b..26d752a4c3ca9 100644
--- a/drivers/usb/dwc2/core_intr.c
+++ b/drivers/usb/dwc2/core_intr.c
@@ -323,10 +323,11 @@ static void dwc2_handle_session_req_intr(struct dwc2_hsotg *hsotg)
* @hsotg: Programming view of DWC_otg controller
*
*/
-static void dwc2_wakeup_from_lpm_l1(struct dwc2_hsotg *hsotg)
+void dwc2_wakeup_from_lpm_l1(struct dwc2_hsotg *hsotg, bool remotewakeup)
{
u32 glpmcfg;
- u32 i = 0;
+ u32 pcgctl;
+ u32 dctl;
if (hsotg->lx_state != DWC2_L1) {
dev_err(hsotg->dev, "Core isn't in DWC2_L1 state\n");
@@ -335,37 +336,57 @@ static void dwc2_wakeup_from_lpm_l1(struct dwc2_hsotg *hsotg)
glpmcfg = dwc2_readl(hsotg, GLPMCFG);
if (dwc2_is_device_mode(hsotg)) {
- dev_dbg(hsotg->dev, "Exit from L1 state\n");
+ dev_dbg(hsotg->dev, "Exit from L1 state, remotewakeup=%d\n", remotewakeup);
glpmcfg &= ~GLPMCFG_ENBLSLPM;
- glpmcfg &= ~GLPMCFG_HIRD_THRES_EN;
+ glpmcfg &= ~GLPMCFG_HIRD_THRES_MASK;
dwc2_writel(hsotg, glpmcfg, GLPMCFG);
- do {
- glpmcfg = dwc2_readl(hsotg, GLPMCFG);
+ pcgctl = dwc2_readl(hsotg, PCGCTL);
+ pcgctl &= ~PCGCTL_ENBL_SLEEP_GATING;
+ dwc2_writel(hsotg, pcgctl, PCGCTL);
- if (!(glpmcfg & (GLPMCFG_COREL1RES_MASK |
- GLPMCFG_L1RESUMEOK | GLPMCFG_SLPSTS)))
- break;
+ glpmcfg = dwc2_readl(hsotg, GLPMCFG);
+ if (glpmcfg & GLPMCFG_ENBESL) {
+ glpmcfg |= GLPMCFG_RSTRSLPSTS;
+ dwc2_writel(hsotg, glpmcfg, GLPMCFG);
+ }
+
+ if (remotewakeup) {
+ if (dwc2_hsotg_wait_bit_set(hsotg, GLPMCFG, GLPMCFG_L1RESUMEOK, 1000)) {
+ dev_warn(hsotg->dev, "%s: timeout GLPMCFG_L1RESUMEOK\n", __func__);
+ goto fail;
+ return;
+ }
+
+ dctl = dwc2_readl(hsotg, DCTL);
+ dctl |= DCTL_RMTWKUPSIG;
+ dwc2_writel(hsotg, dctl, DCTL);
- udelay(1);
- } while (++i < 200);
+ if (dwc2_hsotg_wait_bit_set(hsotg, GINTSTS, GINTSTS_WKUPINT, 1000)) {
+ dev_warn(hsotg->dev, "%s: timeout GINTSTS_WKUPINT\n", __func__);
+ goto fail;
+ return;
+ }
+ }
- if (i == 200) {
- dev_err(hsotg->dev, "Failed to exit L1 sleep state in 200us.\n");
+ glpmcfg = dwc2_readl(hsotg, GLPMCFG);
+ if (glpmcfg & GLPMCFG_COREL1RES_MASK || glpmcfg & GLPMCFG_SLPSTS ||
+ glpmcfg & GLPMCFG_L1RESUMEOK) {
+ goto fail;
return;
}
- dwc2_gadget_init_lpm(hsotg);
+
+ /* Inform gadget to exit from L1 */
+ call_gadget(hsotg, resume);
+ /* Change to L0 state */
+ hsotg->lx_state = DWC2_L0;
+ hsotg->bus_suspended = false;
+fail: dwc2_gadget_init_lpm(hsotg);
} else {
/* TODO */
dev_err(hsotg->dev, "Host side LPM is not supported.\n");
return;
}
-
- /* Change to L0 state */
- hsotg->lx_state = DWC2_L0;
-
- /* Inform gadget to exit from L1 */
- call_gadget(hsotg, resume);
}
/*
@@ -386,7 +407,7 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg)
dev_dbg(hsotg->dev, "%s lxstate = %d\n", __func__, hsotg->lx_state);
if (hsotg->lx_state == DWC2_L1) {
- dwc2_wakeup_from_lpm_l1(hsotg);
+ dwc2_wakeup_from_lpm_l1(hsotg, false);
return;
}
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 8d3d937c81f9e..b2f6da5b65ccd 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -1415,6 +1415,10 @@ static int dwc2_hsotg_ep_queue(struct usb_ep *ep, struct usb_request *req,
ep->name, req, req->length, req->buf, req->no_interrupt,
req->zero, req->short_not_ok);
+ if (hs->lx_state == DWC2_L1) {
+ dwc2_wakeup_from_lpm_l1(hs, true);
+ }
+
/* Prevent new request submission when controller is suspended */
if (hs->lx_state != DWC2_L0) {
dev_dbg(hs->dev, "%s: submit request only in active state\n",
--
GitLab
From 339f83612f3a569b194680768b22bf113c26a29d Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oneukum@suse.com>
Date: Thu, 14 Mar 2024 12:50:48 +0100
Subject: [PATCH 1621/2686] usb: cdc-wdm: close race between read and workqueue
wdm_read() cannot race with itself. However, in
service_outstanding_interrupt() it can race with the
workqueue, which can be triggered by error handling.
Hence we need to make sure that the WDM_RESPONDING
flag is not just only set but tested.
Fixes: afba937e540c9 ("USB: CDC WDM driver")
Cc: stable <stable@kernel.org>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20240314115132.3907-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/class/cdc-wdm.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index c553decb54610..c8262e2f29177 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -485,6 +485,7 @@ static ssize_t wdm_write
static int service_outstanding_interrupt(struct wdm_device *desc)
{
int rv = 0;
+ int used;
/* submit read urb only if the device is waiting for it */
if (!desc->resp_count || !--desc->resp_count)
@@ -499,7 +500,10 @@ static int service_outstanding_interrupt(struct wdm_device *desc)
goto out;
}
- set_bit(WDM_RESPONDING, &desc->flags);
+ used = test_and_set_bit(WDM_RESPONDING, &desc->flags);
+ if (used)
+ goto out;
+
spin_unlock_irq(&desc->iuspin);
rv = usb_submit_urb(desc->response, GFP_KERNEL);
spin_lock_irq(&desc->iuspin);
--
GitLab
From fdada0db0b2ae2addef4ccafe50937874dbeeebe Mon Sep 17 00:00:00 2001
From: Alexander Stein <alexander.stein@ew.tq-group.com>
Date: Thu, 14 Mar 2024 10:26:27 +0100
Subject: [PATCH 1622/2686] Revert "usb: phy: generic: Get the vbus supply"
This reverts commit 75fd6485cccef269ac9eb3b71cf56753341195ef.
This patch was applied twice by accident, causing probe failures.
Revert the accident.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Fixes: 75fd6485ccce ("usb: phy: generic: Get the vbus supply")
Cc: stable <stable@kernel.org>
Reviewed-by: Sean Anderson <sean.anderson@seco.com>
Link: https://lore.kernel.org/r/20240314092628.1869414-1-alexander.stein@ew.tq-group.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/phy/phy-generic.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index 8f735a86cd197..fdcffebf415cd 100644
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -262,13 +262,6 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop)
return dev_err_probe(dev, PTR_ERR(nop->vbus_draw),
"could not get vbus regulator\n");
- nop->vbus_draw = devm_regulator_get_exclusive(dev, "vbus");
- if (PTR_ERR(nop->vbus_draw) == -ENODEV)
- nop->vbus_draw = NULL;
- if (IS_ERR(nop->vbus_draw))
- return dev_err_probe(dev, PTR_ERR(nop->vbus_draw),
- "could not get vbus regulator\n");
-
nop->dev = dev;
nop->phy.dev = nop->dev;
nop->phy.label = "nop-xceiv";
--
GitLab
From f9aa41130ac69d13a53ce2a153ca79c70d43f39c Mon Sep 17 00:00:00 2001
From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Date: Fri, 8 Mar 2024 02:40:25 +0000
Subject: [PATCH 1623/2686] usb: dwc3: Properly set system wakeup
If the device is configured for system wakeup, then make sure that the
xHCI driver knows about it and make sure to permit wakeup only at the
appropriate time.
For host mode, if the controller goes through the dwc3 code path, then a
child xHCI platform device is created. Make sure the platform device
also inherits the wakeup setting for xHCI to enable remote wakeup.
For device mode, make sure to disable system wakeup if no gadget driver
is bound. We may experience unwanted system wakeup due to the wakeup
signal from the controller PMU detecting connection/disconnection when
in low power (D3). E.g. In the case of Steam Deck, the PCI PME prevents
the system staying in suspend.
Cc: stable@vger.kernel.org
Reported-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Closes: https://lore.kernel.org/linux-usb/70a7692d-647c-9be7-00a6-06fc60f77294@igalia.com/T/#mf00d6669c2eff7b308d1162acd1d66c09f0853c7
Fixes: d07e8819a03d ("usb: dwc3: add xHCI Host support")
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Tested-by: Sanath S <Sanath.S@amd.com>
Tested-by: Guilherme G. Piccoli <gpiccoli@igalia.com> # Steam Deck
Link: https://lore.kernel.org/r/667cfda7009b502e08462c8fb3f65841d103cc0a.1709865476.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/core.c | 2 ++
drivers/usb/dwc3/core.h | 2 ++
drivers/usb/dwc3/gadget.c | 10 ++++++++++
drivers/usb/dwc3/host.c | 11 +++++++++++
4 files changed, 25 insertions(+)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 3e55838c00014..31684cdaaae30 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1519,6 +1519,8 @@ static void dwc3_get_properties(struct dwc3 *dwc)
else
dwc->sysdev = dwc->dev;
+ dwc->sys_wakeup = device_may_wakeup(dwc->sysdev);
+
ret = device_property_read_string(dev, "usb-psy-name", &usb_psy_name);
if (ret >= 0) {
dwc->usb_psy = power_supply_get_by_name(usb_psy_name);
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index c07edfc954f72..7e80dd3d466b8 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -1133,6 +1133,7 @@ struct dwc3_scratchpad_array {
* 3 - Reserved
* @dis_metastability_quirk: set to disable metastability quirk.
* @dis_split_quirk: set to disable split boundary.
+ * @sys_wakeup: set if the device may do system wakeup.
* @wakeup_configured: set if the device is configured for remote wakeup.
* @suspended: set to track suspend event due to U3/L2.
* @imod_interval: set the interrupt moderation interval in 250ns
@@ -1357,6 +1358,7 @@ struct dwc3 {
unsigned dis_split_quirk:1;
unsigned async_callbacks:1;
+ unsigned sys_wakeup:1;
unsigned wakeup_configured:1;
unsigned suspended:1;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 40c52dbc28d3b..4df2661f66751 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2955,6 +2955,9 @@ static int dwc3_gadget_start(struct usb_gadget *g,
dwc->gadget_driver = driver;
spin_unlock_irqrestore(&dwc->lock, flags);
+ if (dwc->sys_wakeup)
+ device_wakeup_enable(dwc->sysdev);
+
return 0;
}
@@ -2970,6 +2973,9 @@ static int dwc3_gadget_stop(struct usb_gadget *g)
struct dwc3 *dwc = gadget_to_dwc(g);
unsigned long flags;
+ if (dwc->sys_wakeup)
+ device_wakeup_disable(dwc->sysdev);
+
spin_lock_irqsave(&dwc->lock, flags);
dwc->gadget_driver = NULL;
dwc->max_cfg_eps = 0;
@@ -4651,6 +4657,10 @@ int dwc3_gadget_init(struct dwc3 *dwc)
else
dwc3_gadget_set_speed(dwc->gadget, dwc->maximum_speed);
+ /* No system wakeup if no gadget driver bound */
+ if (dwc->sys_wakeup)
+ device_wakeup_disable(dwc->sysdev);
+
return 0;
err5:
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index 5a5cb6ce9946d..0204787df81d5 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -173,6 +173,14 @@ int dwc3_host_init(struct dwc3 *dwc)
goto err;
}
+ if (dwc->sys_wakeup) {
+ /* Restore wakeup setting if switched from device */
+ device_wakeup_enable(dwc->sysdev);
+
+ /* Pass on wakeup setting to the new xhci platform device */
+ device_init_wakeup(&xhci->dev, true);
+ }
+
return 0;
err:
platform_device_put(xhci);
@@ -181,6 +189,9 @@ int dwc3_host_init(struct dwc3 *dwc)
void dwc3_host_exit(struct dwc3 *dwc)
{
+ if (dwc->sys_wakeup)
+ device_init_wakeup(&dwc->xhci->dev, false);
+
platform_device_unregister(dwc->xhci);
dwc->xhci = NULL;
}
--
GitLab
From f121531703ae442edc1dde4b56803680628bc5b7 Mon Sep 17 00:00:00 2001
From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Date: Tue, 12 Mar 2024 13:50:08 +0200
Subject: [PATCH 1624/2686] usb: dwc3: pci: Drop duplicate ID
Intel Arrow Lake CPU uses the Meteor Lake ID with this
controller (the controller that's part of the Intel Arrow
Lake chipset (PCH) does still have unique PCI ID).
Fixes: de4b5b28c87c ("usb: dwc3: pci: add support for the Intel Arrow Lake-H")
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240312115008.1748637-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/dwc3-pci.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 39564e17f3b07..497deed38c0c1 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -51,7 +51,6 @@
#define PCI_DEVICE_ID_INTEL_MTLP 0x7ec1
#define PCI_DEVICE_ID_INTEL_MTLS 0x7f6f
#define PCI_DEVICE_ID_INTEL_MTL 0x7e7e
-#define PCI_DEVICE_ID_INTEL_ARLH 0x7ec1
#define PCI_DEVICE_ID_INTEL_ARLH_PCH 0x777e
#define PCI_DEVICE_ID_INTEL_TGL 0x9a15
#define PCI_DEVICE_ID_AMD_MR 0x163a
@@ -423,7 +422,6 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
{ PCI_DEVICE_DATA(INTEL, MTLP, &dwc3_pci_intel_swnode) },
{ PCI_DEVICE_DATA(INTEL, MTL, &dwc3_pci_intel_swnode) },
{ PCI_DEVICE_DATA(INTEL, MTLS, &dwc3_pci_intel_swnode) },
- { PCI_DEVICE_DATA(INTEL, ARLH, &dwc3_pci_intel_swnode) },
{ PCI_DEVICE_DATA(INTEL, ARLH_PCH, &dwc3_pci_intel_swnode) },
{ PCI_DEVICE_DATA(INTEL, TGL, &dwc3_pci_intel_swnode) },
--
GitLab
From 2a587a035214fa1b5ef598aea0b81848c5b72e5e Mon Sep 17 00:00:00 2001
From: yuan linyu <yuanlinyu@hihonor.com>
Date: Fri, 15 Mar 2024 10:01:44 +0800
Subject: [PATCH 1625/2686] usb: udc: remove warning when queue disabled ep
It is possible trigger below warning message from mass storage function,
WARNING: CPU: 6 PID: 3839 at drivers/usb/gadget/udc/core.c:294 usb_ep_queue+0x7c/0x104
pc : usb_ep_queue+0x7c/0x104
lr : fsg_main_thread+0x494/0x1b3c
Root cause is mass storage function try to queue request from main thread,
but other thread may already disable ep when function disable.
As there is no function failure in the driver, in order to avoid effort
to fix warning, change WARN_ON_ONCE() in usb_ep_queue() to pr_debug().
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable@vger.kernel.org
Signed-off-by: yuan linyu <yuanlinyu@hihonor.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20240315020144.2715575-1-yuanlinyu@hihonor.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/udc/core.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 9d4150124fdb8..b3a9d18a8dcd1 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -292,7 +292,9 @@ int usb_ep_queue(struct usb_ep *ep,
{
int ret = 0;
- if (WARN_ON_ONCE(!ep->enabled && ep->address)) {
+ if (!ep->enabled && ep->address) {
+ pr_debug("USB gadget: queue request to disabled ep 0x%x (%s)\n",
+ ep->address, ep->name);
ret = -ESHUTDOWN;
goto out;
}
--
GitLab
From 53f5094fdf5deacd99b8655df692e9278506724d Mon Sep 17 00:00:00 2001
From: Kyle Tso <kyletso@google.com>
Date: Tue, 19 Mar 2024 15:43:09 +0800
Subject: [PATCH 1626/2686] usb: typec: Return size of buffer if pd_set
operation succeeds
The attribute writing should return the number of bytes used from the
buffer on success.
Fixes: a7cff92f0635 ("usb: typec: USB Power Delivery helpers for ports and partners")
Cc: stable@vger.kernel.org
Signed-off-by: Kyle Tso <kyletso@google.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240319074309.3306579-1-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/class.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index 389c7f0b8d935..9610e647a8d48 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -1310,6 +1310,7 @@ static ssize_t select_usb_power_delivery_store(struct device *dev,
{
struct typec_port *port = to_typec_port(dev);
struct usb_power_delivery *pd;
+ int ret;
if (!port->ops || !port->ops->pd_set)
return -EOPNOTSUPP;
@@ -1318,7 +1319,11 @@ static ssize_t select_usb_power_delivery_store(struct device *dev,
if (!pd)
return -EINVAL;
- return port->ops->pd_set(port, pd);
+ ret = port->ops->pd_set(port, pd);
+ if (ret)
+ return ret;
+
+ return size;
}
static ssize_t select_usb_power_delivery_show(struct device *dev,
--
GitLab
From 15b2e71b4653b3e13df34695a29ebeee237c5af2 Mon Sep 17 00:00:00 2001
From: "Christian A. Ehrhardt" <lk@c--e.de>
Date: Wed, 20 Mar 2024 08:39:22 +0100
Subject: [PATCH 1627/2686] usb: typec: ucsi: Clear EVENT_PENDING under PPM
lock
Suppose we sleep on the PPM lock after clearing the EVENT_PENDING
bit because the thread for another connector is executing a command.
In this case the command completion of the other command will still
report the connector change for our connector.
Clear the EVENT_PENDING bit under the PPM lock to avoid another
useless call to ucsi_handle_connector_change() in this case.
Fixes: c9aed03a0a68 ("usb: ucsi: Add missing ppm_lock")
Cc: stable <stable@kernel.org>
Signed-off-by: Christian A. Ehrhardt <lk@c--e.de>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Link: https://lore.kernel.org/r/20240320073927.1641788-2-lk@c--e.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index cf52cb34d2859..8a6645ffd9387 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -1215,11 +1215,11 @@ static void ucsi_handle_connector_change(struct work_struct *work)
if (con->status.change & UCSI_CONSTAT_CAM_CHANGE)
ucsi_partner_task(con, ucsi_check_altmodes, 1, 0);
- clear_bit(EVENT_PENDING, &con->ucsi->flags);
-
mutex_lock(&ucsi->ppm_lock);
+ clear_bit(EVENT_PENDING, &con->ucsi->flags);
ret = ucsi_acknowledge_connector_change(ucsi);
mutex_unlock(&ucsi->ppm_lock);
+
if (ret)
dev_err(ucsi->dev, "%s: ACK failed (%d)", __func__, ret);
--
GitLab
From 808a8b9e0b87bbc72bcc1f7ddfe5d04746e7ce56 Mon Sep 17 00:00:00 2001
From: "Christian A. Ehrhardt" <lk@c--e.de>
Date: Wed, 20 Mar 2024 08:39:23 +0100
Subject: [PATCH 1628/2686] usb: typec: ucsi: Check for notifications after
init
The completion notification for the final SET_NOTIFICATION_ENABLE
command during initialization can include a connector change
notification. However, at the time this completion notification is
processed, the ucsi struct is not ready to handle this notification.
As a result the notification is ignored and the controller
never sends an interrupt again.
Re-check CCI for a pending connector state change after
initialization is complete. Adjust the corresponding debug
message accordingly.
Fixes: 71a1fa0df2a3 ("usb: typec: ucsi: Store the notification mask")
Cc: stable@vger.kernel.org
Signed-off-by: Christian A. Ehrhardt <lk@c--e.de>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Link: https://lore.kernel.org/r/20240320073927.1641788-3-lk@c--e.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 8a6645ffd9387..dceeed2075696 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -1237,7 +1237,7 @@ void ucsi_connector_change(struct ucsi *ucsi, u8 num)
struct ucsi_connector *con = &ucsi->connector[num - 1];
if (!(ucsi->ntfy & UCSI_ENABLE_NTFY_CONNECTOR_CHANGE)) {
- dev_dbg(ucsi->dev, "Bogus connector change event\n");
+ dev_dbg(ucsi->dev, "Early connector change event\n");
return;
}
@@ -1636,6 +1636,7 @@ static int ucsi_init(struct ucsi *ucsi)
{
struct ucsi_connector *con, *connector;
u64 command, ntfy;
+ u32 cci;
int ret;
int i;
@@ -1688,6 +1689,13 @@ static int ucsi_init(struct ucsi *ucsi)
ucsi->connector = connector;
ucsi->ntfy = ntfy;
+
+ ret = ucsi->ops->read(ucsi, UCSI_CCI, &cci, sizeof(cci));
+ if (ret)
+ return ret;
+ if (UCSI_CCI_CONNECTOR(READ_ONCE(cci)))
+ ucsi_connector_change(ucsi, cci);
+
return 0;
err_unregister:
--
GitLab
From 6b5c85ddeea77d18c4b69e3bda60e9374a20c304 Mon Sep 17 00:00:00 2001
From: "Christian A. Ehrhardt" <lk@c--e.de>
Date: Wed, 20 Mar 2024 08:39:24 +0100
Subject: [PATCH 1629/2686] usb: typec: ucsi: Ack unsupported commands
If a command completes the OPM must send an ack. This applies
to unsupported commands, too.
Send the required ACK for unsupported commands.
Signed-off-by: Christian A. Ehrhardt <lk@c--e.de>
Cc: stable <stable@kernel.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Link: https://lore.kernel.org/r/20240320073927.1641788-4-lk@c--e.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index dceeed2075696..63f340dbd8674 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -151,8 +151,12 @@ static int ucsi_exec_command(struct ucsi *ucsi, u64 cmd)
if (!(cci & UCSI_CCI_COMMAND_COMPLETE))
return -EIO;
- if (cci & UCSI_CCI_NOT_SUPPORTED)
+ if (cci & UCSI_CCI_NOT_SUPPORTED) {
+ if (ucsi_acknowledge_command(ucsi) < 0)
+ dev_err(ucsi->dev,
+ "ACK of unsupported command failed\n");
return -EOPNOTSUPP;
+ }
if (cci & UCSI_CCI_ERROR) {
if (cmd == UCSI_GET_ERROR_STATUS)
--
GitLab
From 6aaceb7d9cd00f3e065dc4b054ecfe52c5253b03 Mon Sep 17 00:00:00 2001
From: "Christian A. Ehrhardt" <lk@c--e.de>
Date: Wed, 20 Mar 2024 08:39:25 +0100
Subject: [PATCH 1630/2686] usb: typec: ucsi_acpi: Refactor and fix DELL quirk
Some DELL systems don't like UCSI_ACK_CC_CI commands with the
UCSI_ACK_CONNECTOR_CHANGE but not the UCSI_ACK_COMMAND_COMPLETE
bit set. The current quirk still leaves room for races because
it requires two consecutive ACK commands to be sent.
Refactor and significantly simplify the quirk to fix this:
Send a dummy command and bundle the connector change ack with the
command completion ack in a single UCSI_ACK_CC_CI command.
This removes the need to probe for the quirk.
While there define flag bits for struct ucsi_acpi->flags in ucsi_acpi.c
and don't re-use definitions from ucsi.h for struct ucsi->flags.
Fixes: f3be347ea42d ("usb: ucsi_acpi: Quirk to ack a connector change ack cmd")
Cc: stable@vger.kernel.org
Signed-off-by: Christian A. Ehrhardt <lk@c--e.de>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Link: https://lore.kernel.org/r/20240320073927.1641788-5-lk@c--e.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi_acpi.c | 75 +++++++++++++-----------------
1 file changed, 33 insertions(+), 42 deletions(-)
diff --git a/drivers/usb/typec/ucsi/ucsi_acpi.c b/drivers/usb/typec/ucsi/ucsi_acpi.c
index 928eacbeb21ac..7b3ac133ef861 100644
--- a/drivers/usb/typec/ucsi/ucsi_acpi.c
+++ b/drivers/usb/typec/ucsi/ucsi_acpi.c
@@ -23,10 +23,11 @@ struct ucsi_acpi {
void *base;
struct completion complete;
unsigned long flags;
+#define UCSI_ACPI_SUPPRESS_EVENT 0
+#define UCSI_ACPI_COMMAND_PENDING 1
+#define UCSI_ACPI_ACK_PENDING 2
guid_t guid;
u64 cmd;
- bool dell_quirk_probed;
- bool dell_quirk_active;
};
static int ucsi_acpi_dsm(struct ucsi_acpi *ua, int func)
@@ -79,9 +80,9 @@ static int ucsi_acpi_sync_write(struct ucsi *ucsi, unsigned int offset,
int ret;
if (ack)
- set_bit(ACK_PENDING, &ua->flags);
+ set_bit(UCSI_ACPI_ACK_PENDING, &ua->flags);
else
- set_bit(COMMAND_PENDING, &ua->flags);
+ set_bit(UCSI_ACPI_COMMAND_PENDING, &ua->flags);
ret = ucsi_acpi_async_write(ucsi, offset, val, val_len);
if (ret)
@@ -92,9 +93,9 @@ static int ucsi_acpi_sync_write(struct ucsi *ucsi, unsigned int offset,
out_clear_bit:
if (ack)
- clear_bit(ACK_PENDING, &ua->flags);
+ clear_bit(UCSI_ACPI_ACK_PENDING, &ua->flags);
else
- clear_bit(COMMAND_PENDING, &ua->flags);
+ clear_bit(UCSI_ACPI_COMMAND_PENDING, &ua->flags);
return ret;
}
@@ -129,51 +130,40 @@ static const struct ucsi_operations ucsi_zenbook_ops = {
};
/*
- * Some Dell laptops expect that an ACK command with the
- * UCSI_ACK_CONNECTOR_CHANGE bit set is followed by a (separate)
- * ACK command that only has the UCSI_ACK_COMMAND_COMPLETE bit set.
- * If this is not done events are not delivered to OSPM and
- * subsequent commands will timeout.
+ * Some Dell laptops don't like ACK commands with the
+ * UCSI_ACK_CONNECTOR_CHANGE but not the UCSI_ACK_COMMAND_COMPLETE
+ * bit set. To work around this send a dummy command and bundle the
+ * UCSI_ACK_CONNECTOR_CHANGE with the UCSI_ACK_COMMAND_COMPLETE
+ * for the dummy command.
*/
static int
ucsi_dell_sync_write(struct ucsi *ucsi, unsigned int offset,
const void *val, size_t val_len)
{
struct ucsi_acpi *ua = ucsi_get_drvdata(ucsi);
- u64 cmd = *(u64 *)val, ack = 0;
+ u64 cmd = *(u64 *)val;
+ u64 dummycmd = UCSI_GET_CAPABILITY;
int ret;
- if (UCSI_COMMAND(cmd) == UCSI_ACK_CC_CI &&
- cmd & UCSI_ACK_CONNECTOR_CHANGE)
- ack = UCSI_ACK_CC_CI | UCSI_ACK_COMMAND_COMPLETE;
-
- ret = ucsi_acpi_sync_write(ucsi, offset, val, val_len);
- if (ret != 0)
- return ret;
- if (ack == 0)
- return ret;
-
- if (!ua->dell_quirk_probed) {
- ua->dell_quirk_probed = true;
-
- cmd = UCSI_GET_CAPABILITY;
- ret = ucsi_acpi_sync_write(ucsi, UCSI_CONTROL, &cmd,
- sizeof(cmd));
- if (ret == 0)
- return ucsi_acpi_sync_write(ucsi, UCSI_CONTROL,
- &ack, sizeof(ack));
- if (ret != -ETIMEDOUT)
+ if (cmd == (UCSI_ACK_CC_CI | UCSI_ACK_CONNECTOR_CHANGE)) {
+ cmd |= UCSI_ACK_COMMAND_COMPLETE;
+
+ /*
+ * The UCSI core thinks it is sending a connector change ack
+ * and will accept new connector change events. We don't want
+ * this to happen for the dummy command as its response will
+ * still report the very event that the core is trying to clear.
+ */
+ set_bit(UCSI_ACPI_SUPPRESS_EVENT, &ua->flags);
+ ret = ucsi_acpi_sync_write(ucsi, UCSI_CONTROL, &dummycmd,
+ sizeof(dummycmd));
+ clear_bit(UCSI_ACPI_SUPPRESS_EVENT, &ua->flags);
+
+ if (ret < 0)
return ret;
-
- ua->dell_quirk_active = true;
- dev_err(ua->dev, "Firmware bug: Additional ACK required after ACKing a connector change.\n");
- dev_err(ua->dev, "Firmware bug: Enabling workaround\n");
}
- if (!ua->dell_quirk_active)
- return ret;
-
- return ucsi_acpi_sync_write(ucsi, UCSI_CONTROL, &ack, sizeof(ack));
+ return ucsi_acpi_sync_write(ucsi, UCSI_CONTROL, &cmd, sizeof(cmd));
}
static const struct ucsi_operations ucsi_dell_ops = {
@@ -209,13 +199,14 @@ static void ucsi_acpi_notify(acpi_handle handle, u32 event, void *data)
if (ret)
return;
- if (UCSI_CCI_CONNECTOR(cci))
+ if (UCSI_CCI_CONNECTOR(cci) &&
+ !test_bit(UCSI_ACPI_SUPPRESS_EVENT, &ua->flags))
ucsi_connector_change(ua->ucsi, UCSI_CCI_CONNECTOR(cci));
if (cci & UCSI_CCI_ACK_COMPLETE && test_bit(ACK_PENDING, &ua->flags))
complete(&ua->complete);
if (cci & UCSI_CCI_COMMAND_COMPLETE &&
- test_bit(COMMAND_PENDING, &ua->flags))
+ test_bit(UCSI_ACPI_COMMAND_PENDING, &ua->flags))
complete(&ua->complete);
}
--
GitLab
From 3de4f996a0b5412aa451729008130a488f71563e Mon Sep 17 00:00:00 2001
From: "Christian A. Ehrhardt" <lk@c--e.de>
Date: Wed, 20 Mar 2024 08:39:26 +0100
Subject: [PATCH 1631/2686] usb: typec: ucsi: Clear UCSI_CCI_RESET_COMPLETE
before reset
Check the UCSI_CCI_RESET_COMPLETE complete flag before starting
another reset. Use a UCSI_SET_NOTIFICATION_ENABLE command to clear
the flag if it is set.
Signed-off-by: Christian A. Ehrhardt <lk@c--e.de>
Cc: stable <stable@kernel.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Link: https://lore.kernel.org/r/20240320073927.1641788-6-lk@c--e.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi.c | 36 ++++++++++++++++++++++++++++++++++-
1 file changed, 35 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 63f340dbd8674..85e507df7fa86 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -1264,13 +1264,47 @@ static int ucsi_reset_connector(struct ucsi_connector *con, bool hard)
static int ucsi_reset_ppm(struct ucsi *ucsi)
{
- u64 command = UCSI_PPM_RESET;
+ u64 command;
unsigned long tmo;
u32 cci;
int ret;
mutex_lock(&ucsi->ppm_lock);
+ ret = ucsi->ops->read(ucsi, UCSI_CCI, &cci, sizeof(cci));
+ if (ret < 0)
+ goto out;
+
+ /*
+ * If UCSI_CCI_RESET_COMPLETE is already set we must clear
+ * the flag before we start another reset. Send a
+ * UCSI_SET_NOTIFICATION_ENABLE command to achieve this.
+ * Ignore a timeout and try the reset anyway if this fails.
+ */
+ if (cci & UCSI_CCI_RESET_COMPLETE) {
+ command = UCSI_SET_NOTIFICATION_ENABLE;
+ ret = ucsi->ops->async_write(ucsi, UCSI_CONTROL, &command,
+ sizeof(command));
+ if (ret < 0)
+ goto out;
+
+ tmo = jiffies + msecs_to_jiffies(UCSI_TIMEOUT_MS);
+ do {
+ ret = ucsi->ops->read(ucsi, UCSI_CCI,
+ &cci, sizeof(cci));
+ if (ret < 0)
+ goto out;
+ if (cci & UCSI_CCI_COMMAND_COMPLETE)
+ break;
+ if (time_is_before_jiffies(tmo))
+ break;
+ msleep(20);
+ } while (1);
+
+ WARN_ON(cci & UCSI_CCI_RESET_COMPLETE);
+ }
+
+ command = UCSI_PPM_RESET;
ret = ucsi->ops->async_write(ucsi, UCSI_CONTROL, &command,
sizeof(command));
if (ret < 0)
--
GitLab
From 0be3870f7cbbb5db4f062505f3f7dac9009946f3 Mon Sep 17 00:00:00 2001
From: Jameson Thies <jthies@google.com>
Date: Fri, 15 Mar 2024 17:18:35 +0000
Subject: [PATCH 1632/2686] usb: typec: ucsi: Check capabilities before cable
and identity discovery
Check the UCSI_CAP_GET_PD_MESSAGE bit before sending GET_PD_MESSAGE to
discover partner and cable identity, check UCSI_CAP_CABLE_DETAILS before
sending GET_CABLE_PROPERTY to discover the cable and check
UCSI_CAP_ALT_MODE_DETAILS before registering the a cable plug. Additionally,
move 8 bits from reserved_1 to features in the ucsi_capability struct. This
makes the field 16 bits, still 8 short of the 24 bits allocated for it in
UCSI v3.0, but it will not overflow because UCSI only defines 14 bits in
bmOptionalFeatures.
Fixes: 38ca416597b0 ("usb: typec: ucsi: Register cables based on GET_CABLE_PROPERTY")
Link: https://lore.kernel.org/linux-usb/44e8142f-d9b3-487b-83fe-39deadddb492@linaro.org
Suggested-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Jameson Thies <jthies@google.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240315171836.343830-2-jthies@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi.c | 34 +++++++++++++++++++++-------------
drivers/usb/typec/ucsi/ucsi.h | 5 +++--
2 files changed, 24 insertions(+), 15 deletions(-)
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 85e507df7fa86..31d8a46ae5e7c 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -1137,17 +1137,21 @@ static int ucsi_check_cable(struct ucsi_connector *con)
if (ret < 0)
return ret;
- ret = ucsi_get_cable_identity(con);
- if (ret < 0)
- return ret;
+ if (con->ucsi->cap.features & UCSI_CAP_GET_PD_MESSAGE) {
+ ret = ucsi_get_cable_identity(con);
+ if (ret < 0)
+ return ret;
+ }
- ret = ucsi_register_plug(con);
- if (ret < 0)
- return ret;
+ if (con->ucsi->cap.features & UCSI_CAP_ALT_MODE_DETAILS) {
+ ret = ucsi_register_plug(con);
+ if (ret < 0)
+ return ret;
- ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_SOP_P);
- if (ret < 0)
- return ret;
+ ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_SOP_P);
+ if (ret < 0)
+ return ret;
+ }
return 0;
}
@@ -1193,8 +1197,10 @@ static void ucsi_handle_connector_change(struct work_struct *work)
ucsi_register_partner(con);
ucsi_partner_task(con, ucsi_check_connection, 1, HZ);
ucsi_partner_task(con, ucsi_check_connector_capability, 1, HZ);
- ucsi_partner_task(con, ucsi_get_partner_identity, 1, HZ);
- ucsi_partner_task(con, ucsi_check_cable, 1, HZ);
+ if (con->ucsi->cap.features & UCSI_CAP_GET_PD_MESSAGE)
+ ucsi_partner_task(con, ucsi_get_partner_identity, 1, HZ);
+ if (con->ucsi->cap.features & UCSI_CAP_CABLE_DETAILS)
+ ucsi_partner_task(con, ucsi_check_cable, 1, HZ);
if (UCSI_CONSTAT_PWR_OPMODE(con->status.flags) ==
UCSI_CONSTAT_PWR_OPMODE_PD)
@@ -1627,8 +1633,10 @@ static int ucsi_register_port(struct ucsi *ucsi, struct ucsi_connector *con)
ucsi_register_partner(con);
ucsi_pwr_opmode_change(con);
ucsi_port_psy_changed(con);
- ucsi_get_partner_identity(con);
- ucsi_check_cable(con);
+ if (con->ucsi->cap.features & UCSI_CAP_GET_PD_MESSAGE)
+ ucsi_get_partner_identity(con);
+ if (con->ucsi->cap.features & UCSI_CAP_CABLE_DETAILS)
+ ucsi_check_cable(con);
}
/* Only notify USB controller if partner supports USB data */
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index 32daf5f586505..0e7c92eb1b227 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -206,7 +206,7 @@ struct ucsi_capability {
#define UCSI_CAP_ATTR_POWER_OTHER BIT(10)
#define UCSI_CAP_ATTR_POWER_VBUS BIT(14)
u8 num_connectors;
- u8 features;
+ u16 features;
#define UCSI_CAP_SET_UOM BIT(0)
#define UCSI_CAP_SET_PDM BIT(1)
#define UCSI_CAP_ALT_MODE_DETAILS BIT(2)
@@ -215,7 +215,8 @@ struct ucsi_capability {
#define UCSI_CAP_CABLE_DETAILS BIT(5)
#define UCSI_CAP_EXT_SUPPLY_NOTIFICATIONS BIT(6)
#define UCSI_CAP_PD_RESET BIT(7)
- u16 reserved_1;
+#define UCSI_CAP_GET_PD_MESSAGE BIT(8)
+ u8 reserved_1;
u8 num_alt_modes;
u8 reserved_2;
u16 bc_version;
--
GitLab
From ee113b860aa169e9a4d2c167c95d0f1961c6e1b8 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Fri, 15 Mar 2024 13:04:50 -0400
Subject: [PATCH 1633/2686] USB: core: Add hub_get() and hub_put() routines
Create hub_get() and hub_put() routines to encapsulate the kref_get()
and kref_put() calls in hub.c. The new routines will be used by the
next patch in this series.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/604da420-ae8a-4a9e-91a4-2d511ff404fb@rowland.harvard.edu
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/hub.c | 23 ++++++++++++++++-------
drivers/usb/core/hub.h | 2 ++
2 files changed, 18 insertions(+), 7 deletions(-)
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 3ee8455585b6b..9446660e231bb 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -130,7 +130,6 @@ EXPORT_SYMBOL_GPL(ehci_cf_port_reset_rwsem);
#define HUB_DEBOUNCE_STEP 25
#define HUB_DEBOUNCE_STABLE 100
-static void hub_release(struct kref *kref);
static int usb_reset_and_verify_device(struct usb_device *udev);
static int hub_port_disable(struct usb_hub *hub, int port1, int set_state);
static bool hub_port_warm_reset_required(struct usb_hub *hub, int port1,
@@ -720,14 +719,14 @@ static void kick_hub_wq(struct usb_hub *hub)
*/
intf = to_usb_interface(hub->intfdev);
usb_autopm_get_interface_no_resume(intf);
- kref_get(&hub->kref);
+ hub_get(hub);
if (queue_work(hub_wq, &hub->events))
return;
/* the work has already been scheduled */
usb_autopm_put_interface_async(intf);
- kref_put(&hub->kref, hub_release);
+ hub_put(hub);
}
void usb_kick_hub_wq(struct usb_device *hdev)
@@ -1095,7 +1094,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
goto init2;
goto init3;
}
- kref_get(&hub->kref);
+ hub_get(hub);
/* The superspeed hub except for root hub has to use Hub Depth
* value as an offset into the route string to locate the bits
@@ -1343,7 +1342,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
device_unlock(&hdev->dev);
}
- kref_put(&hub->kref, hub_release);
+ hub_put(hub);
}
/* Implement the continuations for the delays above */
@@ -1759,6 +1758,16 @@ static void hub_release(struct kref *kref)
kfree(hub);
}
+void hub_get(struct usb_hub *hub)
+{
+ kref_get(&hub->kref);
+}
+
+void hub_put(struct usb_hub *hub)
+{
+ kref_put(&hub->kref, hub_release);
+}
+
static unsigned highspeed_hubs;
static void hub_disconnect(struct usb_interface *intf)
@@ -1807,7 +1816,7 @@ static void hub_disconnect(struct usb_interface *intf)
onboard_hub_destroy_pdevs(&hub->onboard_hub_devs);
- kref_put(&hub->kref, hub_release);
+ hub_put(hub);
}
static bool hub_descriptor_is_sane(struct usb_host_interface *desc)
@@ -5934,7 +5943,7 @@ static void hub_event(struct work_struct *work)
/* Balance the stuff in kick_hub_wq() and allow autosuspend */
usb_autopm_put_interface(intf);
- kref_put(&hub->kref, hub_release);
+ hub_put(hub);
kcov_remote_stop();
}
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index 43ce21c96a511..183b69dc29554 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -129,6 +129,8 @@ extern void usb_hub_remove_port_device(struct usb_hub *hub,
extern int usb_hub_set_port_power(struct usb_device *hdev, struct usb_hub *hub,
int port1, bool set);
extern struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev);
+extern void hub_get(struct usb_hub *hub);
+extern void hub_put(struct usb_hub *hub);
extern int hub_port_debounce(struct usb_hub *hub, int port1,
bool must_be_connected);
extern int usb_clear_port_feature(struct usb_device *hdev,
--
GitLab
From f4d1960764d8a70318b02f15203a1be2b2554ca1 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Fri, 15 Mar 2024 13:06:33 -0400
Subject: [PATCH 1634/2686] USB: core: Fix deadlock in port "disable" sysfs
attribute
The show and store callback routines for the "disable" sysfs attribute
file in port.c acquire the device lock for the port's parent hub
device. This can cause problems if another process has locked the hub
to remove it or change its configuration:
Removing the hub or changing its configuration requires the
hub interface to be removed, which requires the port device
to be removed, and device_del() waits until all outstanding
sysfs attribute callbacks for the ports have returned. The
lock can't be released until then.
But the disable_show() or disable_store() routine can't return
until after it has acquired the lock.
The resulting deadlock can be avoided by calling
sysfs_break_active_protection(). This will cause the sysfs core not
to wait for the attribute's callback routine to return, allowing the
removal to proceed. The disadvantage is that after making this call,
there is no guarantee that the hub structure won't be deallocated at
any moment. To prevent this, we have to acquire a reference to it
first by calling hub_get().
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/f7a8c135-a495-4ce6-bd49-405a45e7ea9a@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/port.c | 38 ++++++++++++++++++++++++++++++++++----
1 file changed, 34 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 5b5e613a11e59..686c01af03e63 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -56,11 +56,22 @@ static ssize_t disable_show(struct device *dev,
u16 portstatus, unused;
bool disabled;
int rc;
+ struct kernfs_node *kn;
+ hub_get(hub);
rc = usb_autopm_get_interface(intf);
if (rc < 0)
- return rc;
+ goto out_hub_get;
+ /*
+ * Prevent deadlock if another process is concurrently
+ * trying to unregister hdev.
+ */
+ kn = sysfs_break_active_protection(&dev->kobj, &attr->attr);
+ if (!kn) {
+ rc = -ENODEV;
+ goto out_autopm;
+ }
usb_lock_device(hdev);
if (hub->disconnected) {
rc = -ENODEV;
@@ -70,9 +81,13 @@ static ssize_t disable_show(struct device *dev,
usb_hub_port_status(hub, port1, &portstatus, &unused);
disabled = !usb_port_is_power_on(hub, portstatus);
-out_hdev_lock:
+ out_hdev_lock:
usb_unlock_device(hdev);
+ sysfs_unbreak_active_protection(kn);
+ out_autopm:
usb_autopm_put_interface(intf);
+ out_hub_get:
+ hub_put(hub);
if (rc)
return rc;
@@ -90,15 +105,26 @@ static ssize_t disable_store(struct device *dev, struct device_attribute *attr,
int port1 = port_dev->portnum;
bool disabled;
int rc;
+ struct kernfs_node *kn;
rc = kstrtobool(buf, &disabled);
if (rc)
return rc;
+ hub_get(hub);
rc = usb_autopm_get_interface(intf);
if (rc < 0)
- return rc;
+ goto out_hub_get;
+ /*
+ * Prevent deadlock if another process is concurrently
+ * trying to unregister hdev.
+ */
+ kn = sysfs_break_active_protection(&dev->kobj, &attr->attr);
+ if (!kn) {
+ rc = -ENODEV;
+ goto out_autopm;
+ }
usb_lock_device(hdev);
if (hub->disconnected) {
rc = -ENODEV;
@@ -119,9 +145,13 @@ static ssize_t disable_store(struct device *dev, struct device_attribute *attr,
if (!rc)
rc = count;
-out_hdev_lock:
+ out_hdev_lock:
usb_unlock_device(hdev);
+ sysfs_unbreak_active_protection(kn);
+ out_autopm:
usb_autopm_put_interface(intf);
+ out_hub_get:
+ hub_put(hub);
return rc;
}
--
GitLab
From 0f4a1e80989aca185d955fcd791d7750082044a2 Mon Sep 17 00:00:00 2001
From: Kevin Loughlin <kevinloughlin@google.com>
Date: Wed, 13 Mar 2024 12:15:46 +0000
Subject: [PATCH 1635/2686] x86/sev: Skip ROM range scans and validation for
SEV-SNP guests
SEV-SNP requires encrypted memory to be validated before access.
Because the ROM memory range is not part of the e820 table, it is not
pre-validated by the BIOS. Therefore, if a SEV-SNP guest kernel wishes
to access this range, the guest must first validate the range.
The current SEV-SNP code does indeed scan the ROM range during early
boot and thus attempts to validate the ROM range in probe_roms().
However, this behavior is neither sufficient nor necessary for the
following reasons:
* With regards to sufficiency, if EFI_CONFIG_TABLES are not enabled and
CONFIG_DMI_SCAN_MACHINE_NON_EFI_FALLBACK is set, the kernel will
attempt to access the memory at SMBIOS_ENTRY_POINT_SCAN_START (which
falls in the ROM range) prior to validation.
For example, Project Oak Stage 0 provides a minimal guest firmware
that currently meets these configuration conditions, meaning guests
booting atop Oak Stage 0 firmware encounter a problematic call chain
during dmi_setup() -> dmi_scan_machine() that results in a crash
during boot if SEV-SNP is enabled.
* With regards to necessity, SEV-SNP guests generally read garbage
(which changes across boots) from the ROM range, meaning these scans
are unnecessary. The guest reads garbage because the legacy ROM range
is unencrypted data but is accessed via an encrypted PMD during early
boot (where the PMD is marked as encrypted due to potentially mapping
actually-encrypted data in other PMD-contained ranges).
In one exceptional case, EISA probing treats the ROM range as
unencrypted data, which is inconsistent with other probing.
Continuing to allow SEV-SNP guests to use garbage and to inconsistently
classify ROM range encryption status can trigger undesirable behavior.
For instance, if garbage bytes appear to be a valid signature, memory
may be unnecessarily reserved for the ROM range. Future code or other
use cases may result in more problematic (arbitrary) behavior that
should be avoided.
While one solution would be to overhaul the early PMD mapping to always
treat the ROM region of the PMD as unencrypted, SEV-SNP guests do not
currently rely on data from the ROM region during early boot (and even
if they did, they would be mostly relying on garbage data anyways).
As a simpler solution, skip the ROM range scans (and the otherwise-
necessary range validation) during SEV-SNP guest early boot. The
potential SEV-SNP guest crash due to lack of ROM range validation is
thus avoided by simply not accessing the ROM range.
In most cases, skip the scans by overriding problematic x86_init
functions during sme_early_init() to SNP-safe variants, which can be
likened to x86_init overrides done for other platforms (ex: Xen); such
overrides also avoid the spread of cc_platform_has() checks throughout
the tree.
In the exceptional EISA case, still use cc_platform_has() for the
simplest change, given (1) checks for guest type (ex: Xen domain status)
are already performed here, and (2) these checks occur in a subsys
initcall instead of an x86_init function.
[ bp: Massage commit message, remove "we"s. ]
Fixes: 9704c07bf9f7 ("x86/kernel: Validate ROM memory before accessing when SEV-SNP is active")
Signed-off-by: Kevin Loughlin <kevinloughlin@google.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Link: https://lore.kernel.org/r/20240313121546.2964854-1-kevinloughlin@google.com
---
arch/x86/include/asm/sev.h | 4 ++--
arch/x86/include/asm/x86_init.h | 3 ++-
arch/x86/kernel/eisa.c | 3 ++-
arch/x86/kernel/probe_roms.c | 10 ----------
arch/x86/kernel/setup.c | 3 +--
arch/x86/kernel/sev.c | 27 ++++++++++++---------------
arch/x86/kernel/x86_init.c | 2 ++
arch/x86/mm/mem_encrypt_amd.c | 18 ++++++++++++++++++
8 files changed, 39 insertions(+), 31 deletions(-)
diff --git a/arch/x86/include/asm/sev.h b/arch/x86/include/asm/sev.h
index 9477b4053bce2..07e125f325283 100644
--- a/arch/x86/include/asm/sev.h
+++ b/arch/x86/include/asm/sev.h
@@ -218,12 +218,12 @@ void early_snp_set_memory_private(unsigned long vaddr, unsigned long paddr,
unsigned long npages);
void early_snp_set_memory_shared(unsigned long vaddr, unsigned long paddr,
unsigned long npages);
-void __init snp_prep_memory(unsigned long paddr, unsigned int sz, enum psc_op op);
void snp_set_memory_shared(unsigned long vaddr, unsigned long npages);
void snp_set_memory_private(unsigned long vaddr, unsigned long npages);
void snp_set_wakeup_secondary_cpu(void);
bool snp_init(struct boot_params *bp);
void __noreturn snp_abort(void);
+void snp_dmi_setup(void);
int snp_issue_guest_request(u64 exit_code, struct snp_req_data *input, struct snp_guest_request_ioctl *rio);
void snp_accept_memory(phys_addr_t start, phys_addr_t end);
u64 snp_get_unsupported_features(u64 status);
@@ -244,12 +244,12 @@ static inline void __init
early_snp_set_memory_private(unsigned long vaddr, unsigned long paddr, unsigned long npages) { }
static inline void __init
early_snp_set_memory_shared(unsigned long vaddr, unsigned long paddr, unsigned long npages) { }
-static inline void __init snp_prep_memory(unsigned long paddr, unsigned int sz, enum psc_op op) { }
static inline void snp_set_memory_shared(unsigned long vaddr, unsigned long npages) { }
static inline void snp_set_memory_private(unsigned long vaddr, unsigned long npages) { }
static inline void snp_set_wakeup_secondary_cpu(void) { }
static inline bool snp_init(struct boot_params *bp) { return false; }
static inline void snp_abort(void) { }
+static inline void snp_dmi_setup(void) { }
static inline int snp_issue_guest_request(u64 exit_code, struct snp_req_data *input, struct snp_guest_request_ioctl *rio)
{
return -ENOTTY;
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index b89b40f250e6f..6149eabe200f5 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -30,12 +30,13 @@ struct x86_init_mpparse {
* @reserve_resources: reserve the standard resources for the
* platform
* @memory_setup: platform specific memory setup
- *
+ * @dmi_setup: platform specific DMI setup
*/
struct x86_init_resources {
void (*probe_roms)(void);
void (*reserve_resources)(void);
char *(*memory_setup)(void);
+ void (*dmi_setup)(void);
};
/**
diff --git a/arch/x86/kernel/eisa.c b/arch/x86/kernel/eisa.c
index e963344b04490..53935b4d62e30 100644
--- a/arch/x86/kernel/eisa.c
+++ b/arch/x86/kernel/eisa.c
@@ -2,6 +2,7 @@
/*
* EISA specific code
*/
+#include <linux/cc_platform.h>
#include <linux/ioport.h>
#include <linux/eisa.h>
#include <linux/io.h>
@@ -12,7 +13,7 @@ static __init int eisa_bus_probe(void)
{
void __iomem *p;
- if (xen_pv_domain() && !xen_initial_domain())
+ if ((xen_pv_domain() && !xen_initial_domain()) || cc_platform_has(CC_ATTR_GUEST_SEV_SNP))
return 0;
p = ioremap(0x0FFFD9, 4);
diff --git a/arch/x86/kernel/probe_roms.c b/arch/x86/kernel/probe_roms.c
index 319fef37d9dce..cc2c34ba7228a 100644
--- a/arch/x86/kernel/probe_roms.c
+++ b/arch/x86/kernel/probe_roms.c
@@ -203,16 +203,6 @@ void __init probe_roms(void)
unsigned char c;
int i;
- /*
- * The ROM memory range is not part of the e820 table and is therefore not
- * pre-validated by BIOS. The kernel page table maps the ROM region as encrypted
- * memory, and SNP requires encrypted memory to be validated before access.
- * Do that here.
- */
- snp_prep_memory(video_rom_resource.start,
- ((system_rom_resource.end + 1) - video_rom_resource.start),
- SNP_PAGE_STATE_PRIVATE);
-
/* video rom */
upper = adapter_rom_resources[0].start;
for (start = video_rom_resource.start; start < upper; start += 2048) {
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index ef206500ed6f2..0109e6c510e02 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -9,7 +9,6 @@
#include <linux/console.h>
#include <linux/crash_dump.h>
#include <linux/dma-map-ops.h>
-#include <linux/dmi.h>
#include <linux/efi.h>
#include <linux/ima.h>
#include <linux/init_ohci1394_dma.h>
@@ -902,7 +901,7 @@ void __init setup_arch(char **cmdline_p)
efi_init();
reserve_ibft_region();
- dmi_setup();
+ x86_init.resources.dmi_setup();
/*
* VMware detection requires dmi to be available, so this
diff --git a/arch/x86/kernel/sev.c b/arch/x86/kernel/sev.c
index b59b09c2f2840..7e1e63cc48e67 100644
--- a/arch/x86/kernel/sev.c
+++ b/arch/x86/kernel/sev.c
@@ -23,6 +23,7 @@
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/psp-sev.h>
+#include <linux/dmi.h>
#include <uapi/linux/sev-guest.h>
#include <asm/init.h>
@@ -795,21 +796,6 @@ void __init early_snp_set_memory_shared(unsigned long vaddr, unsigned long paddr
early_set_pages_state(vaddr, paddr, npages, SNP_PAGE_STATE_SHARED);
}
-void __init snp_prep_memory(unsigned long paddr, unsigned int sz, enum psc_op op)
-{
- unsigned long vaddr, npages;
-
- vaddr = (unsigned long)__va(paddr);
- npages = PAGE_ALIGN(sz) >> PAGE_SHIFT;
-
- if (op == SNP_PAGE_STATE_PRIVATE)
- early_snp_set_memory_private(vaddr, paddr, npages);
- else if (op == SNP_PAGE_STATE_SHARED)
- early_snp_set_memory_shared(vaddr, paddr, npages);
- else
- WARN(1, "invalid memory op %d\n", op);
-}
-
static unsigned long __set_pages_state(struct snp_psc_desc *data, unsigned long vaddr,
unsigned long vaddr_end, int op)
{
@@ -2136,6 +2122,17 @@ void __head __noreturn snp_abort(void)
sev_es_terminate(SEV_TERM_SET_GEN, GHCB_SNP_UNSUPPORTED);
}
+/*
+ * SEV-SNP guests should only execute dmi_setup() if EFI_CONFIG_TABLES are
+ * enabled, as the alternative (fallback) logic for DMI probing in the legacy
+ * ROM region can cause a crash since this region is not pre-validated.
+ */
+void __init snp_dmi_setup(void)
+{
+ if (efi_enabled(EFI_CONFIG_TABLES))
+ dmi_setup();
+}
+
static void dump_cpuid_table(void)
{
const struct snp_cpuid_table *cpuid_table = snp_cpuid_get_table();
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index a42830dc151bc..d5dc5a92635a8 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -3,6 +3,7 @@
*
* For licencing details see kernel-base/COPYING
*/
+#include <linux/dmi.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/export.h>
@@ -66,6 +67,7 @@ struct x86_init_ops x86_init __initdata = {
.probe_roms = probe_roms,
.reserve_resources = reserve_standard_io_resources,
.memory_setup = e820__memory_setup_default,
+ .dmi_setup = dmi_setup,
},
.mpparse = {
diff --git a/arch/x86/mm/mem_encrypt_amd.c b/arch/x86/mm/mem_encrypt_amd.c
index 70b91de2e053a..422602f6039b8 100644
--- a/arch/x86/mm/mem_encrypt_amd.c
+++ b/arch/x86/mm/mem_encrypt_amd.c
@@ -492,6 +492,24 @@ void __init sme_early_init(void)
*/
if (sev_status & MSR_AMD64_SEV_ENABLED)
ia32_disable();
+
+ /*
+ * Override init functions that scan the ROM region in SEV-SNP guests,
+ * as this memory is not pre-validated and would thus cause a crash.
+ */
+ if (sev_status & MSR_AMD64_SEV_SNP_ENABLED) {
+ x86_init.mpparse.find_mptable = x86_init_noop;
+ x86_init.pci.init_irq = x86_init_noop;
+ x86_init.resources.probe_roms = x86_init_noop;
+
+ /*
+ * DMI setup behavior for SEV-SNP guests depends on
+ * efi_enabled(EFI_CONFIG_TABLES), which hasn't been
+ * parsed yet. snp_dmi_setup() will run after that
+ * parsing has happened.
+ */
+ x86_init.resources.dmi_setup = snp_dmi_setup;
+ }
}
void __init mem_encrypt_free_decrypted_mem(void)
--
GitLab
From 47e39d213e09c6cae0d6b4d95e454ea404013312 Mon Sep 17 00:00:00 2001
From: Jie Wang <wangjie125@huawei.com>
Date: Mon, 25 Mar 2024 20:43:09 +0800
Subject: [PATCH 1636/2686] net: hns3: fix index limit to support all queue
stats
Currently, hns hardware supports more than 512 queues and the index limit
in hclge_comm_tqps_update_stats is wrong. So this patch removes it.
Fixes: 287db5c40d15 ("net: hns3: create new set of common tqp stats APIs for PF and VF reuse")
Signed-off-by: Jie Wang <wangjie125@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
.../ethernet/hisilicon/hns3/hns3_common/hclge_comm_tqp_stats.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_tqp_stats.c b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_tqp_stats.c
index f3c9395d8351c..618f66d9586b3 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_tqp_stats.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_tqp_stats.c
@@ -85,7 +85,7 @@ int hclge_comm_tqps_update_stats(struct hnae3_handle *handle,
hclge_comm_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_TX_STATS,
true);
- desc.data[0] = cpu_to_le32(tqp->index & 0x1ff);
+ desc.data[0] = cpu_to_le32(tqp->index);
ret = hclge_comm_cmd_send(hw, &desc, 1);
if (ret) {
dev_err(&hw->cmq.csq.pdev->dev,
--
GitLab
From 93305b77ffcb042f1538ecc383505e87d95aa05a Mon Sep 17 00:00:00 2001
From: Yonglong Liu <liuyonglong@huawei.com>
Date: Mon, 25 Mar 2024 20:43:10 +0800
Subject: [PATCH 1637/2686] net: hns3: fix kernel crash when devlink reload
during pf initialization
The devlink reload process will access the hardware resources,
but the register operation is done before the hardware is initialized.
So, processing the devlink reload during initialization may lead to kernel
crash. This patch fixes this by taking devl_lock during initialization.
Fixes: b741269b2759 ("net: hns3: add support for registering devlink for PF")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index b4afb66efe5c5..ff6a2ed23ddb6 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -11626,6 +11626,8 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev)
if (ret)
goto err_pci_uninit;
+ devl_lock(hdev->devlink);
+
/* Firmware command queue initialize */
ret = hclge_comm_cmd_queue_init(hdev->pdev, &hdev->hw.hw);
if (ret)
@@ -11805,6 +11807,7 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev)
hclge_task_schedule(hdev, round_jiffies_relative(HZ));
+ devl_unlock(hdev->devlink);
return 0;
err_mdiobus_unreg:
@@ -11817,6 +11820,7 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev)
err_cmd_uninit:
hclge_comm_cmd_uninit(hdev->ae_dev, &hdev->hw.hw);
err_devlink_uninit:
+ devl_unlock(hdev->devlink);
hclge_devlink_uninit(hdev);
err_pci_uninit:
pcim_iounmap(pdev, hdev->hw.hw.io_base);
--
GitLab
From 5bd088d6c21a45ee70e6116879310e54174d75eb Mon Sep 17 00:00:00 2001
From: Jian Shen <shenjian15@huawei.com>
Date: Mon, 25 Mar 2024 20:43:11 +0800
Subject: [PATCH 1638/2686] net: hns3: mark unexcuted loopback test result as
UNEXECUTED
Currently, loopback test may be skipped when resetting, but the test
result will still show as 'PASS', because the driver doesn't set
ETH_TEST_FL_FAILED flag. Fix it by setting the flag and
initializating the value to UNEXECUTED.
Fixes: 4c8dab1c709c ("net: hns3: reconstruct function hns3_self_test")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
.../ethernet/hisilicon/hns3/hns3_ethtool.c | 19 +++++++++++++++++--
1 file changed, 17 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index 999a0ee162a64..941cb529d671f 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -78,6 +78,9 @@ static const struct hns3_stats hns3_rxq_stats[] = {
#define HNS3_NIC_LB_TEST_NO_MEM_ERR 1
#define HNS3_NIC_LB_TEST_TX_CNT_ERR 2
#define HNS3_NIC_LB_TEST_RX_CNT_ERR 3
+#define HNS3_NIC_LB_TEST_UNEXECUTED 4
+
+static int hns3_get_sset_count(struct net_device *netdev, int stringset);
static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
{
@@ -418,18 +421,26 @@ static void hns3_do_external_lb(struct net_device *ndev,
static void hns3_self_test(struct net_device *ndev,
struct ethtool_test *eth_test, u64 *data)
{
+ int cnt = hns3_get_sset_count(ndev, ETH_SS_TEST);
struct hns3_nic_priv *priv = netdev_priv(ndev);
struct hnae3_handle *h = priv->ae_handle;
int st_param[HNAE3_LOOP_NONE][2];
bool if_running = netif_running(ndev);
+ int i;
+
+ /* initialize the loopback test result, avoid marking an unexcuted
+ * loopback test as PASS.
+ */
+ for (i = 0; i < cnt; i++)
+ data[i] = HNS3_NIC_LB_TEST_UNEXECUTED;
if (hns3_nic_resetting(ndev)) {
netdev_err(ndev, "dev resetting!");
- return;
+ goto failure;
}
if (!(eth_test->flags & ETH_TEST_FL_OFFLINE))
- return;
+ goto failure;
if (netif_msg_ifdown(h))
netdev_info(ndev, "self test start\n");
@@ -451,6 +462,10 @@ static void hns3_self_test(struct net_device *ndev,
if (netif_msg_ifdown(h))
netdev_info(ndev, "self test end\n");
+ return;
+
+failure:
+ eth_test->flags |= ETH_TEST_FL_FAILED;
}
static void hns3_update_limit_promisc_mode(struct net_device *netdev,
--
GitLab
From 674bc0168e6b68070c75df22e97ab63b6eb60d89 Mon Sep 17 00:00:00 2001
From: Samuel Holland <samuel.holland@sifive.com>
Date: Fri, 1 Mar 2024 12:18:32 -0800
Subject: [PATCH 1639/2686] riscv: mm: Fix prototype to avoid discarding const
__flush_tlb_range() does not modify the provided cpumask, so its cmask
parameter can be pointer-to-const. This avoids the unsafe cast of
cpu_online_mask.
Fixes: 54d7431af73e ("riscv: Add support for BATCHED_UNMAP_TLB_FLUSH")
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240301201837.2826172-1-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/mm/tlbflush.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/riscv/mm/tlbflush.c b/arch/riscv/mm/tlbflush.c
index 893566e004b73..07d743f87b3f6 100644
--- a/arch/riscv/mm/tlbflush.c
+++ b/arch/riscv/mm/tlbflush.c
@@ -99,7 +99,7 @@ static void __ipi_flush_tlb_range_asid(void *info)
local_flush_tlb_range_asid(d->start, d->size, d->stride, d->asid);
}
-static void __flush_tlb_range(struct cpumask *cmask, unsigned long asid,
+static void __flush_tlb_range(const struct cpumask *cmask, unsigned long asid,
unsigned long start, unsigned long size,
unsigned long stride)
{
@@ -200,7 +200,7 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
void flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
- __flush_tlb_range((struct cpumask *)cpu_online_mask, FLUSH_TLB_NO_ASID,
+ __flush_tlb_range(cpu_online_mask, FLUSH_TLB_NO_ASID,
start, end - start, PAGE_SIZE);
}
--
GitLab
From ea558de7238bb12c3435c47f0631e9d17bf4a09f Mon Sep 17 00:00:00 2001
From: Ivan Vecera <ivecera@redhat.com>
Date: Sat, 16 Mar 2024 12:38:29 +0100
Subject: [PATCH 1640/2686] i40e: Enforce software interrupt during busy-poll
exit
As for ice bug fixed by commit b7306b42beaf ("ice: manage interrupts
during poll exit") followed by commit 23be7075b318 ("ice: fix software
generating extra interrupts") I'm seeing the similar issue also with
i40e driver.
In certain situation when busy-loop is enabled together with adaptive
coalescing, the driver occasionally misses that there are outstanding
descriptors to clean when exiting busy poll.
Try to catch the remaining work by triggering a software interrupt
when exiting busy poll. No extra interrupts will be generated when
busy polling is not used.
The issue was found when running sockperf ping-pong tcp test with
adaptive coalescing and busy poll enabled (50 as value busy_pool
and busy_read sysctl knobs) and results in huge latency spikes
with more than 100000us.
The fix is inspired from the ice driver and do the following:
1) During napi poll exit in case of busy-poll (napo_complete_done()
returns false) this is recorded to q_vector that we were in busy
loop.
2) Extends i40e_buildreg_itr() to be able to add an enforced software
interrupt into built value
2) In i40e_update_enable_itr() enforces a software interrupt trigger
if we are exiting busy poll to catch any pending clean-ups
3) Reuses unused 3rd ITR (interrupt throttle) index and set it to
20K interrupts per second to limit the number of these sw interrupts.
Test results
============
Prior:
[root@dell-per640-07 net]# sockperf ping-pong -i 10.9.9.1 --tcp -m 1000 --mps=max -t 120
sockperf: == version #3.10-no.git ==
sockperf[CLIENT] send on:sockperf: using recvfrom() to block on socket(s)
[ 0] IP = 10.9.9.1 PORT = 11111 # TCP
sockperf: Warmup stage (sending a few dummy messages)...
sockperf: Starting test...
sockperf: Test end (interrupted by timer)
sockperf: Test ended
sockperf: [Total Run] RunTime=119.999 sec; Warm up time=400 msec; SentMessages=2438563; ReceivedMessages=2438562
sockperf: ========= Printing statistics for Server No: 0
sockperf: [Valid Duration] RunTime=119.549 sec; SentMessages=2429473; ReceivedMessages=2429473
sockperf: ====> avg-latency=24.571 (std-dev=93.297, mean-ad=4.904, median-ad=1.510, siqr=1.063, cv=3.797, std-error=0.060, 99.0% ci=[24.417, 24.725])
sockperf: # dropped messages = 0; # duplicated messages = 0; # out-of-order messages = 0
sockperf: Summary: Latency is 24.571 usec
sockperf: Total 2429473 observations; each percentile contains 24294.73 observations
sockperf: ---> <MAX> observation = 103294.331
sockperf: ---> percentile 99.999 = 45.633
sockperf: ---> percentile 99.990 = 37.013
sockperf: ---> percentile 99.900 = 35.910
sockperf: ---> percentile 99.000 = 33.390
sockperf: ---> percentile 90.000 = 28.626
sockperf: ---> percentile 75.000 = 27.741
sockperf: ---> percentile 50.000 = 26.743
sockperf: ---> percentile 25.000 = 25.614
sockperf: ---> <MIN> observation = 12.220
After:
[root@dell-per640-07 net]# sockperf ping-pong -i 10.9.9.1 --tcp -m 1000 --mps=max -t 120
sockperf: == version #3.10-no.git ==
sockperf[CLIENT] send on:sockperf: using recvfrom() to block on socket(s)
[ 0] IP = 10.9.9.1 PORT = 11111 # TCP
sockperf: Warmup stage (sending a few dummy messages)...
sockperf: Starting test...
sockperf: Test end (interrupted by timer)
sockperf: Test ended
sockperf: [Total Run] RunTime=119.999 sec; Warm up time=400 msec; SentMessages=2400055; ReceivedMessages=2400054
sockperf: ========= Printing statistics for Server No: 0
sockperf: [Valid Duration] RunTime=119.549 sec; SentMessages=2391186; ReceivedMessages=2391186
sockperf: ====> avg-latency=24.965 (std-dev=5.934, mean-ad=4.642, median-ad=1.485, siqr=1.067, cv=0.238, std-error=0.004, 99.0% ci=[24.955, 24.975])
sockperf: # dropped messages = 0; # duplicated messages = 0; # out-of-order messages = 0
sockperf: Summary: Latency is 24.965 usec
sockperf: Total 2391186 observations; each percentile contains 23911.86 observations
sockperf: ---> <MAX> observation = 195.841
sockperf: ---> percentile 99.999 = 45.026
sockperf: ---> percentile 99.990 = 39.009
sockperf: ---> percentile 99.900 = 35.922
sockperf: ---> percentile 99.000 = 33.482
sockperf: ---> percentile 90.000 = 28.902
sockperf: ---> percentile 75.000 = 27.821
sockperf: ---> percentile 50.000 = 26.860
sockperf: ---> percentile 25.000 = 25.685
sockperf: ---> <MIN> observation = 12.277
Fixes: 0bcd952feec7 ("ethernet/intel: consolidate NAPI and NAPI exit")
Reported-by: Hugo Ferreira <hferreir@redhat.com>
Reviewed-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
drivers/net/ethernet/intel/i40e/i40e.h | 1 +
drivers/net/ethernet/intel/i40e/i40e_main.c | 6 ++
.../net/ethernet/intel/i40e/i40e_register.h | 3 +
drivers/net/ethernet/intel/i40e/i40e_txrx.c | 82 ++++++++++++++-----
drivers/net/ethernet/intel/i40e/i40e_txrx.h | 1 +
5 files changed, 72 insertions(+), 21 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index ba24f3fa92c37..2fbabcdb5bb5f 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -955,6 +955,7 @@ struct i40e_q_vector {
struct rcu_head rcu; /* to avoid race with update stats on free */
char name[I40E_INT_NAME_STR_LEN];
bool arm_wb_state;
+ bool in_busy_poll;
int irq_num; /* IRQ assigned to this q_vector */
} ____cacheline_internodealigned_in_smp;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index f86578857e8ae..6576a00810936 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -3911,6 +3911,12 @@ static void i40e_vsi_configure_msix(struct i40e_vsi *vsi)
q_vector->tx.target_itr >> 1);
q_vector->tx.current_itr = q_vector->tx.target_itr;
+ /* Set ITR for software interrupts triggered after exiting
+ * busy-loop polling.
+ */
+ wr32(hw, I40E_PFINT_ITRN(I40E_SW_ITR, vector - 1),
+ I40E_ITR_20K);
+
wr32(hw, I40E_PFINT_RATEN(vector - 1),
i40e_intrl_usec_to_reg(vsi->int_rate_limit));
diff --git a/drivers/net/ethernet/intel/i40e/i40e_register.h b/drivers/net/ethernet/intel/i40e/i40e_register.h
index 14ab642cafdb2..432afbb642013 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_register.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_register.h
@@ -333,8 +333,11 @@
#define I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT 3
#define I40E_PFINT_DYN_CTLN_ITR_INDX_MASK I40E_MASK(0x3, I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT)
#define I40E_PFINT_DYN_CTLN_INTERVAL_SHIFT 5
+#define I40E_PFINT_DYN_CTLN_INTERVAL_MASK I40E_MASK(0xFFF, I40E_PFINT_DYN_CTLN_INTERVAL_SHIFT)
#define I40E_PFINT_DYN_CTLN_SW_ITR_INDX_ENA_SHIFT 24
#define I40E_PFINT_DYN_CTLN_SW_ITR_INDX_ENA_MASK I40E_MASK(0x1, I40E_PFINT_DYN_CTLN_SW_ITR_INDX_ENA_SHIFT)
+#define I40E_PFINT_DYN_CTLN_SW_ITR_INDX_SHIFT 25
+#define I40E_PFINT_DYN_CTLN_SW_ITR_INDX_MASK I40E_MASK(0x3, I40E_PFINT_DYN_CTLN_SW_ITR_INDX_SHIFT)
#define I40E_PFINT_ICR0 0x00038780 /* Reset: CORER */
#define I40E_PFINT_ICR0_INTEVENT_SHIFT 0
#define I40E_PFINT_ICR0_INTEVENT_MASK I40E_MASK(0x1, I40E_PFINT_ICR0_INTEVENT_SHIFT)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 0d7177083708f..1a12b732818ee 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -2630,7 +2630,22 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget,
return failure ? budget : (int)total_rx_packets;
}
-static inline u32 i40e_buildreg_itr(const int type, u16 itr)
+/**
+ * i40e_buildreg_itr - build a value for writing to I40E_PFINT_DYN_CTLN register
+ * @itr_idx: interrupt throttling index
+ * @interval: interrupt throttling interval value in usecs
+ * @force_swint: force software interrupt
+ *
+ * The function builds a value for I40E_PFINT_DYN_CTLN register that
+ * is used to update interrupt throttling interval for specified ITR index
+ * and optionally enforces a software interrupt. If the @itr_idx is equal
+ * to I40E_ITR_NONE then no interval change is applied and only @force_swint
+ * parameter is taken into account. If the interval change and enforced
+ * software interrupt are not requested then the built value just enables
+ * appropriate vector interrupt.
+ **/
+static u32 i40e_buildreg_itr(enum i40e_dyn_idx itr_idx, u16 interval,
+ bool force_swint)
{
u32 val;
@@ -2644,23 +2659,33 @@ static inline u32 i40e_buildreg_itr(const int type, u16 itr)
* an event in the PBA anyway so we need to rely on the automask
* to hold pending events for us until the interrupt is re-enabled
*
- * The itr value is reported in microseconds, and the register
- * value is recorded in 2 microsecond units. For this reason we
- * only need to shift by the interval shift - 1 instead of the
- * full value.
+ * We have to shift the given value as it is reported in microseconds
+ * and the register value is recorded in 2 microsecond units.
*/
- itr &= I40E_ITR_MASK;
+ interval >>= 1;
+ /* 1. Enable vector interrupt
+ * 2. Update the interval for the specified ITR index
+ * (I40E_ITR_NONE in the register is used to indicate that
+ * no interval update is requested)
+ */
val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
- (type << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT) |
- (itr << (I40E_PFINT_DYN_CTLN_INTERVAL_SHIFT - 1));
+ FIELD_PREP(I40E_PFINT_DYN_CTLN_ITR_INDX_MASK, itr_idx) |
+ FIELD_PREP(I40E_PFINT_DYN_CTLN_INTERVAL_MASK, interval);
+
+ /* 3. Enforce software interrupt trigger if requested
+ * (These software interrupts rate is limited by ITR2 that is
+ * set to 20K interrupts per second)
+ */
+ if (force_swint)
+ val |= I40E_PFINT_DYN_CTLN_SWINT_TRIG_MASK |
+ I40E_PFINT_DYN_CTLN_SW_ITR_INDX_ENA_MASK |
+ FIELD_PREP(I40E_PFINT_DYN_CTLN_SW_ITR_INDX_MASK,
+ I40E_SW_ITR);
return val;
}
-/* a small macro to shorten up some long lines */
-#define INTREG I40E_PFINT_DYN_CTLN
-
/* The act of updating the ITR will cause it to immediately trigger. In order
* to prevent this from throwing off adaptive update statistics we defer the
* update so that it can only happen so often. So after either Tx or Rx are
@@ -2679,8 +2704,10 @@ static inline u32 i40e_buildreg_itr(const int type, u16 itr)
static inline void i40e_update_enable_itr(struct i40e_vsi *vsi,
struct i40e_q_vector *q_vector)
{
+ enum i40e_dyn_idx itr_idx = I40E_ITR_NONE;
struct i40e_hw *hw = &vsi->back->hw;
- u32 intval;
+ u16 interval = 0;
+ u32 itr_val;
/* If we don't have MSIX, then we only need to re-enable icr0 */
if (!test_bit(I40E_FLAG_MSIX_ENA, vsi->back->flags)) {
@@ -2702,8 +2729,8 @@ static inline void i40e_update_enable_itr(struct i40e_vsi *vsi,
*/
if (q_vector->rx.target_itr < q_vector->rx.current_itr) {
/* Rx ITR needs to be reduced, this is highest priority */
- intval = i40e_buildreg_itr(I40E_RX_ITR,
- q_vector->rx.target_itr);
+ itr_idx = I40E_RX_ITR;
+ interval = q_vector->rx.target_itr;
q_vector->rx.current_itr = q_vector->rx.target_itr;
q_vector->itr_countdown = ITR_COUNTDOWN_START;
} else if ((q_vector->tx.target_itr < q_vector->tx.current_itr) ||
@@ -2712,25 +2739,36 @@ static inline void i40e_update_enable_itr(struct i40e_vsi *vsi,
/* Tx ITR needs to be reduced, this is second priority
* Tx ITR needs to be increased more than Rx, fourth priority
*/
- intval = i40e_buildreg_itr(I40E_TX_ITR,
- q_vector->tx.target_itr);
+ itr_idx = I40E_TX_ITR;
+ interval = q_vector->tx.target_itr;
q_vector->tx.current_itr = q_vector->tx.target_itr;
q_vector->itr_countdown = ITR_COUNTDOWN_START;
} else if (q_vector->rx.current_itr != q_vector->rx.target_itr) {
/* Rx ITR needs to be increased, third priority */
- intval = i40e_buildreg_itr(I40E_RX_ITR,
- q_vector->rx.target_itr);
+ itr_idx = I40E_RX_ITR;
+ interval = q_vector->rx.target_itr;
q_vector->rx.current_itr = q_vector->rx.target_itr;
q_vector->itr_countdown = ITR_COUNTDOWN_START;
} else {
/* No ITR update, lowest priority */
- intval = i40e_buildreg_itr(I40E_ITR_NONE, 0);
if (q_vector->itr_countdown)
q_vector->itr_countdown--;
}
- if (!test_bit(__I40E_VSI_DOWN, vsi->state))
- wr32(hw, INTREG(q_vector->reg_idx), intval);
+ /* Do not update interrupt control register if VSI is down */
+ if (test_bit(__I40E_VSI_DOWN, vsi->state))
+ return;
+
+ /* Update ITR interval if necessary and enforce software interrupt
+ * if we are exiting busy poll.
+ */
+ if (q_vector->in_busy_poll) {
+ itr_val = i40e_buildreg_itr(itr_idx, interval, true);
+ q_vector->in_busy_poll = false;
+ } else {
+ itr_val = i40e_buildreg_itr(itr_idx, interval, false);
+ }
+ wr32(hw, I40E_PFINT_DYN_CTLN(q_vector->reg_idx), itr_val);
}
/**
@@ -2845,6 +2883,8 @@ int i40e_napi_poll(struct napi_struct *napi, int budget)
*/
if (likely(napi_complete_done(napi, work_done)))
i40e_update_enable_itr(vsi, q_vector);
+ else
+ q_vector->in_busy_poll = true;
return min(work_done, budget - 1);
}
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
index abf15067eb5de..2cdc7de6301c1 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
@@ -68,6 +68,7 @@ enum i40e_dyn_idx {
/* these are indexes into ITRN registers */
#define I40E_RX_ITR I40E_IDX_ITR0
#define I40E_TX_ITR I40E_IDX_ITR1
+#define I40E_SW_ITR I40E_IDX_ITR2
/* Supported RSS offloads */
#define I40E_DEFAULT_RSS_HENA ( \
--
GitLab
From d080a08b06b6266cc3e0e86c5acfd80db937cb6b Mon Sep 17 00:00:00 2001
From: Samuel Holland <samuel.holland@sifive.com>
Date: Mon, 11 Mar 2024 19:19:13 -0700
Subject: [PATCH 1641/2686] riscv: Fix spurious errors from
__get/put_kernel_nofault
These macros did not initialize __kr_err, so they could fail even if
the access did not fault.
Cc: stable@vger.kernel.org
Fixes: d464118cdc41 ("riscv: implement __get_kernel_nofault and __put_user_nofault")
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20240312022030.320789-1-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/uaccess.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/riscv/include/asm/uaccess.h b/arch/riscv/include/asm/uaccess.h
index ec0cab9fbddd0..72ec1d9bd3f31 100644
--- a/arch/riscv/include/asm/uaccess.h
+++ b/arch/riscv/include/asm/uaccess.h
@@ -319,7 +319,7 @@ unsigned long __must_check clear_user(void __user *to, unsigned long n)
#define __get_kernel_nofault(dst, src, type, err_label) \
do { \
- long __kr_err; \
+ long __kr_err = 0; \
\
__get_user_nocheck(*((type *)(dst)), (type *)(src), __kr_err); \
if (unlikely(__kr_err)) \
@@ -328,7 +328,7 @@ do { \
#define __put_kernel_nofault(dst, src, type, err_label) \
do { \
- long __kr_err; \
+ long __kr_err = 0; \
\
__put_user_nocheck(*((type *)(src)), (type *)(dst), __kr_err); \
if (unlikely(__kr_err)) \
--
GitLab
From 1ec17ef59168a1a6f1105f5dc517f783839a5302 Mon Sep 17 00:00:00 2001
From: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Date: Wed, 28 Feb 2024 12:13:27 +0100
Subject: [PATCH 1642/2686] btrfs: zoned: fix use-after-free in
do_zone_finish()
Shinichiro reported the following use-after-free triggered by the device
replace operation in fstests btrfs/070.
BTRFS info (device nullb1): scrub: finished on devid 1 with status: 0
==================================================================
BUG: KASAN: slab-use-after-free in do_zone_finish+0x91a/0xb90 [btrfs]
Read of size 8 at addr ffff8881543c8060 by task btrfs-cleaner/3494007
CPU: 0 PID: 3494007 Comm: btrfs-cleaner Tainted: G W 6.8.0-rc5-kts #1
Hardware name: Supermicro Super Server/X11SPi-TF, BIOS 3.3 02/21/2020
Call Trace:
<TASK>
dump_stack_lvl+0x5b/0x90
print_report+0xcf/0x670
? __virt_addr_valid+0x200/0x3e0
kasan_report+0xd8/0x110
? do_zone_finish+0x91a/0xb90 [btrfs]
? do_zone_finish+0x91a/0xb90 [btrfs]
do_zone_finish+0x91a/0xb90 [btrfs]
btrfs_delete_unused_bgs+0x5e1/0x1750 [btrfs]
? __pfx_btrfs_delete_unused_bgs+0x10/0x10 [btrfs]
? btrfs_put_root+0x2d/0x220 [btrfs]
? btrfs_clean_one_deleted_snapshot+0x299/0x430 [btrfs]
cleaner_kthread+0x21e/0x380 [btrfs]
? __pfx_cleaner_kthread+0x10/0x10 [btrfs]
kthread+0x2e3/0x3c0
? __pfx_kthread+0x10/0x10
ret_from_fork+0x31/0x70
? __pfx_kthread+0x10/0x10
ret_from_fork_asm+0x1b/0x30
</TASK>
Allocated by task 3493983:
kasan_save_stack+0x33/0x60
kasan_save_track+0x14/0x30
__kasan_kmalloc+0xaa/0xb0
btrfs_alloc_device+0xb3/0x4e0 [btrfs]
device_list_add.constprop.0+0x993/0x1630 [btrfs]
btrfs_scan_one_device+0x219/0x3d0 [btrfs]
btrfs_control_ioctl+0x26e/0x310 [btrfs]
__x64_sys_ioctl+0x134/0x1b0
do_syscall_64+0x99/0x190
entry_SYSCALL_64_after_hwframe+0x6e/0x76
Freed by task 3494056:
kasan_save_stack+0x33/0x60
kasan_save_track+0x14/0x30
kasan_save_free_info+0x3f/0x60
poison_slab_object+0x102/0x170
__kasan_slab_free+0x32/0x70
kfree+0x11b/0x320
btrfs_rm_dev_replace_free_srcdev+0xca/0x280 [btrfs]
btrfs_dev_replace_finishing+0xd7e/0x14f0 [btrfs]
btrfs_dev_replace_by_ioctl+0x1286/0x25a0 [btrfs]
btrfs_ioctl+0xb27/0x57d0 [btrfs]
__x64_sys_ioctl+0x134/0x1b0
do_syscall_64+0x99/0x190
entry_SYSCALL_64_after_hwframe+0x6e/0x76
The buggy address belongs to the object at ffff8881543c8000
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 96 bytes inside of
freed 1024-byte region [ffff8881543c8000, ffff8881543c8400)
The buggy address belongs to the physical page:
page:00000000fe2c1285 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1543c8
head:00000000fe2c1285 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x17ffffc0000840(slab|head|node=0|zone=2|lastcpupid=0x1fffff)
page_type: 0xffffffff()
raw: 0017ffffc0000840 ffff888100042dc0 ffffea0019e8f200 dead000000000002
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8881543c7f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff8881543c7f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8881543c8000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8881543c8080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8881543c8100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
This UAF happens because we're accessing stale zone information of a
already removed btrfs_device in do_zone_finish().
The sequence of events is as follows:
btrfs_dev_replace_start
btrfs_scrub_dev
btrfs_dev_replace_finishing
btrfs_dev_replace_update_device_in_mapping_tree <-- devices replaced
btrfs_rm_dev_replace_free_srcdev
btrfs_free_device <-- device freed
cleaner_kthread
btrfs_delete_unused_bgs
btrfs_zone_finish
do_zone_finish <-- refers the freed device
The reason for this is that we're using a cached pointer to the chunk_map
from the block group, but on device replace this cached pointer can
contain stale device entries.
The staleness comes from the fact, that btrfs_block_group::physical_map is
not a pointer to a btrfs_chunk_map but a memory copy of it.
Also take the fs_info::dev_replace::rwsem to prevent
btrfs_dev_replace_update_device_in_mapping_tree() from changing the device
underneath us again.
Note: btrfs_dev_replace_update_device_in_mapping_tree() is holding
fs_info::mapping_tree_lock, but as this is a spinning read/write lock we
cannot take it as the call to blkdev_zone_mgmt() requires a memory
allocation which may not sleep.
But btrfs_dev_replace_update_device_in_mapping_tree() is always called with
the fs_info::dev_replace::rwsem held in write mode.
Many thanks to Shinichiro for analyzing the bug.
Reported-by: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
CC: stable@vger.kernel.org # 6.8
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/zoned.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index 3317bebfca95b..459d1af02c3ce 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -1561,11 +1561,7 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new)
if (!map)
return -EINVAL;
- cache->physical_map = btrfs_clone_chunk_map(map, GFP_NOFS);
- if (!cache->physical_map) {
- ret = -ENOMEM;
- goto out;
- }
+ cache->physical_map = map;
zone_info = kcalloc(map->num_stripes, sizeof(*zone_info), GFP_NOFS);
if (!zone_info) {
@@ -1677,7 +1673,6 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new)
}
bitmap_free(active);
kfree(zone_info);
- btrfs_free_chunk_map(map);
return ret;
}
@@ -2162,6 +2157,7 @@ static int do_zone_finish(struct btrfs_block_group *block_group, bool fully_writ
struct btrfs_chunk_map *map;
const bool is_metadata = (block_group->flags &
(BTRFS_BLOCK_GROUP_METADATA | BTRFS_BLOCK_GROUP_SYSTEM));
+ struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace;
int ret = 0;
int i;
@@ -2237,6 +2233,7 @@ static int do_zone_finish(struct btrfs_block_group *block_group, bool fully_writ
btrfs_clear_data_reloc_bg(block_group);
spin_unlock(&block_group->lock);
+ down_read(&dev_replace->rwsem);
map = block_group->physical_map;
for (i = 0; i < map->num_stripes; i++) {
struct btrfs_device *device = map->stripes[i].dev;
@@ -2251,13 +2248,16 @@ static int do_zone_finish(struct btrfs_block_group *block_group, bool fully_writ
zinfo->zone_size >> SECTOR_SHIFT,
GFP_NOFS);
- if (ret)
+ if (ret) {
+ up_read(&dev_replace->rwsem);
return ret;
+ }
if (!(block_group->flags & BTRFS_BLOCK_GROUP_DATA))
zinfo->reserved_active_zones++;
btrfs_dev_clear_active_zone(device, physical);
}
+ up_read(&dev_replace->rwsem);
if (!fully_written)
btrfs_dec_block_group_ro(block_group);
--
GitLab
From 9f7eb8405dcbc79c5434821e9e3e92abe187ee8e Mon Sep 17 00:00:00 2001
From: Anand Jain <anand.jain@oracle.com>
Date: Fri, 1 Mar 2024 08:42:13 +0800
Subject: [PATCH 1643/2686] btrfs: validate device maj:min during open
Boris managed to create a device capable of changing its maj:min without
altering its device path.
Only multi-devices can be scanned. A device that gets scanned and remains
in the btrfs kernel cache might end up with an incorrect maj:min.
Despite the temp-fsid feature patch did not introduce this bug, it could
lead to issues if the above multi-device is converted to a single device
with a stale maj:min. Subsequently, attempting to mount the same device
with the correct maj:min might mistake it for another device with the same
fsid, potentially resulting in wrongly auto-enabling the temp-fsid feature.
To address this, this patch validates the device's maj:min at the time of
device open and updates it if it has changed since the last scan.
CC: stable@vger.kernel.org # 6.7+
Fixes: a5b8a5f9f835 ("btrfs: support cloned-device mount capability")
Reported-by: Boris Burkov <boris@bur.io>
Co-developed-by: Boris Burkov <boris@bur.io>
Reviewed-by: Boris Burkov <boris@bur.io>#
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/volumes.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index e49935a54da0a..c318640b4472a 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -692,6 +692,16 @@ static int btrfs_open_one_device(struct btrfs_fs_devices *fs_devices,
device->bdev = bdev_handle->bdev;
clear_bit(BTRFS_DEV_STATE_IN_FS_METADATA, &device->dev_state);
+ if (device->devt != device->bdev->bd_dev) {
+ btrfs_warn(NULL,
+ "device %s maj:min changed from %d:%d to %d:%d",
+ device->name->str, MAJOR(device->devt),
+ MINOR(device->devt), MAJOR(device->bdev->bd_dev),
+ MINOR(device->bdev->bd_dev));
+
+ device->devt = device->bdev->bd_dev;
+ }
+
fs_devices->open_devices++;
if (test_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state) &&
device->devid != BTRFS_DEV_REPLACE_DEVID) {
--
GitLab
From 8a565ec04d6c43f330e7401e5af3458431b29bc6 Mon Sep 17 00:00:00 2001
From: Filipe Manana <fdmanana@suse.com>
Date: Wed, 13 Mar 2024 11:37:31 +0000
Subject: [PATCH 1644/2686] btrfs: fix extent map leak in unexpected scenario
at unpin_extent_cache()
At unpin_extent_cache() if we happen to find an extent map with an
unexpected start offset, we jump to the 'out' label and never release the
reference we added to the extent map through the call to
lookup_extent_mapping(), therefore resulting in a leak. So fix this by
moving the free_extent_map() under the 'out' label.
Fixes: c03c89f821e5 ("btrfs: handle errors returned from unpin_extent_cache()")
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/extent_map.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 347ca13d15a97..e03953dbcd5ef 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -340,9 +340,9 @@ int unpin_extent_cache(struct btrfs_inode *inode, u64 start, u64 len, u64 gen)
em->mod_len = em->len;
}
- free_extent_map(em);
out:
write_unlock(&tree->lock);
+ free_extent_map(em);
return ret;
}
--
GitLab
From 4dc1d69c2b101eee0bf071187794ffed2f9c2596 Mon Sep 17 00:00:00 2001
From: Filipe Manana <fdmanana@suse.com>
Date: Wed, 13 Mar 2024 12:49:31 +0000
Subject: [PATCH 1645/2686] btrfs: fix warning messages not printing interval
at unpin_extent_range()
At unpin_extent_range() we print warning messages that are supposed to
print an interval in the form "[X, Y)", with the first element being an
inclusive start offset and the second element being the exclusive end
offset of a range. However we end up printing the range's length instead
of the range's exclusive end offset, so fix that to avoid having confusing
and non-sense messages in case we hit one of these unexpected scenarios.
Fixes: 00deaf04df35 ("btrfs: log messages at unpin_extent_range() during unexpected cases")
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/extent_map.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index e03953dbcd5ef..2cfc6e8cf76f2 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -309,7 +309,7 @@ int unpin_extent_cache(struct btrfs_inode *inode, u64 start, u64 len, u64 gen)
btrfs_warn(fs_info,
"no extent map found for inode %llu (root %lld) when unpinning extent range [%llu, %llu), generation %llu",
btrfs_ino(inode), btrfs_root_id(inode->root),
- start, len, gen);
+ start, start + len, gen);
ret = -ENOENT;
goto out;
}
@@ -318,7 +318,7 @@ int unpin_extent_cache(struct btrfs_inode *inode, u64 start, u64 len, u64 gen)
btrfs_warn(fs_info,
"found extent map for inode %llu (root %lld) with unexpected start offset %llu when unpinning extent range [%llu, %llu), generation %llu",
btrfs_ino(inode), btrfs_root_id(inode->root),
- em->start, start, len, gen);
+ em->start, start, start + len, gen);
ret = -EUCLEAN;
goto out;
}
--
GitLab
From 379c87239320a204138995e1da35ce9eca239e7a Mon Sep 17 00:00:00 2001
From: Filipe Manana <fdmanana@suse.com>
Date: Wed, 13 Mar 2024 13:02:02 +0000
Subject: [PATCH 1646/2686] btrfs: fix message not properly printing interval
when adding extent map
At btrfs_add_extent_mapping(), if we are unable to merge the existing
extent map, we print a warning message that suggests interval ranges in
the form "[X, Y)", where the first element is the inclusive start offset
of a range and the second element is the exclusive end offset. However
we end up printing the length of the ranges instead of the exclusive end
offsets. So fix this by printing the range end offsets.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/extent_map.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 2cfc6e8cf76f2..16685cb8a91d8 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -634,8 +634,8 @@ int btrfs_add_extent_mapping(struct btrfs_fs_info *fs_info,
*em_in = NULL;
WARN_ONCE(ret,
"extent map merge error existing [%llu, %llu) with em [%llu, %llu) start %llu\n",
- existing->start, existing->len,
- orig_start, orig_len, start);
+ existing->start, extent_map_end(existing),
+ orig_start, orig_start + orig_len, start);
}
free_extent_map(existing);
}
--
GitLab
From 2133460061e1bbecb47da73ad5ec7cf8e951006c Mon Sep 17 00:00:00 2001
From: Filipe Manana <fdmanana@suse.com>
Date: Wed, 13 Mar 2024 17:14:02 +0000
Subject: [PATCH 1647/2686] btrfs: use btrfs_warn() to log message at
btrfs_add_extent_mapping()
At btrfs_add_extent_mapping(), if we failed to merge the extent map, which
is unexpected and theoretically should never happen, we use WARN_ONCE() to
log a message which is not great because we don't get information about
which filesystem it relates to in case we have multiple btrfs filesystems
mounted. So change this to use btrfs_warn() and surround the error check
with WARN_ON() so we always get a useful stack trace and the condition is
flagged as "unlikely" since it's not expected to ever happen.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/extent_map.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 16685cb8a91d8..445f7716f1e2f 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -629,13 +629,13 @@ int btrfs_add_extent_mapping(struct btrfs_fs_info *fs_info,
*/
ret = merge_extent_mapping(em_tree, existing,
em, start);
- if (ret) {
+ if (WARN_ON(ret)) {
free_extent_map(em);
*em_in = NULL;
- WARN_ONCE(ret,
-"extent map merge error existing [%llu, %llu) with em [%llu, %llu) start %llu\n",
- existing->start, extent_map_end(existing),
- orig_start, orig_start + orig_len, start);
+ btrfs_warn(fs_info,
+"extent map merge error existing [%llu, %llu) with em [%llu, %llu) start %llu",
+ existing->start, extent_map_end(existing),
+ orig_start, orig_start + orig_len, start);
}
free_extent_map(existing);
}
--
GitLab
From a8b70c7f8600bc77d03c0b032c0662259b9e615e Mon Sep 17 00:00:00 2001
From: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Date: Wed, 21 Feb 2024 07:35:52 -0800
Subject: [PATCH 1648/2686] btrfs: zoned: don't skip block groups with 100%
zone unusable
Commit f4a9f219411f ("btrfs: do not delete unused block group if it may be
used soon") changed the behaviour of deleting unused block-groups on zoned
filesystems. Starting with this commit, we're using
btrfs_space_info_used() to calculate the number of used bytes in a
space_info. But btrfs_space_info_used() also accounts
btrfs_space_info::bytes_zone_unusable as used bytes.
So if a block group is 100% zone_unusable it is skipped from the deletion
step.
In order not to skip fully zone_unusable block-groups, also check if the
block-group has bytes left that can be used on a zoned filesystem.
Fixes: f4a9f219411f ("btrfs: do not delete unused block group if it may be used soon")
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/block-group.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index 5f7587ca1ca77..1e09aeea69c22 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -1559,7 +1559,8 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
* needing to allocate extents from the block group.
*/
used = btrfs_space_info_used(space_info, true);
- if (space_info->total_bytes - block_group->length < used) {
+ if (space_info->total_bytes - block_group->length < used &&
+ block_group->zone_unusable < block_group->length) {
/*
* Add a reference for the list, compensate for the ref
* drop under the "next" label for the
--
GitLab
From 2f1aeab9fca1a5f583be1add175d1ee95c213cfa Mon Sep 17 00:00:00 2001
From: Anand Jain <anand.jain@oracle.com>
Date: Tue, 19 Mar 2024 08:28:18 +0530
Subject: [PATCH 1649/2686] btrfs: return accurate error code on open failure
in open_fs_devices()
When attempting to exclusive open a device which has no exclusive open
permission, such as a physical device associated with the flakey dm
device, the open operation will fail, resulting in a mount failure.
In this particular scenario, we erroneously return -EINVAL instead of the
correct error code provided by the bdev_open_by_path() function, which is
-EBUSY.
Fix this, by returning error code from the bdev_open_by_path() function.
With this correction, the mount error message will align with that of
ext4 and xfs.
Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/volumes.c | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index c318640b4472a..dedec3d9b1117 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1184,23 +1184,30 @@ static int open_fs_devices(struct btrfs_fs_devices *fs_devices,
struct btrfs_device *device;
struct btrfs_device *latest_dev = NULL;
struct btrfs_device *tmp_device;
+ int ret = 0;
list_for_each_entry_safe(device, tmp_device, &fs_devices->devices,
dev_list) {
- int ret;
+ int ret2;
- ret = btrfs_open_one_device(fs_devices, device, flags, holder);
- if (ret == 0 &&
+ ret2 = btrfs_open_one_device(fs_devices, device, flags, holder);
+ if (ret2 == 0 &&
(!latest_dev || device->generation > latest_dev->generation)) {
latest_dev = device;
- } else if (ret == -ENODATA) {
+ } else if (ret2 == -ENODATA) {
fs_devices->num_devices--;
list_del(&device->dev_list);
btrfs_free_device(device);
}
+ if (ret == 0 && ret2 != 0)
+ ret = ret2;
}
- if (fs_devices->open_devices == 0)
+
+ if (fs_devices->open_devices == 0) {
+ if (ret)
+ return ret;
return -EINVAL;
+ }
fs_devices->opened = 1;
fs_devices->latest_dev = latest_dev;
--
GitLab
From ef1e68236b9153c27cb7cf29ead0c532870d4215 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Fri, 15 Mar 2024 21:14:29 -0400
Subject: [PATCH 1650/2686] btrfs: fix race in read_extent_buffer_pages()
There are reports from tree-checker that detects corrupted nodes,
without any obvious pattern so possibly an overwrite in memory.
After some debugging it turns out there's a race when reading an extent
buffer the uptodate status can be missed.
To prevent concurrent reads for the same extent buffer,
read_extent_buffer_pages() performs these checks:
/* (1) */
if (test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags))
return 0;
/* (2) */
if (test_and_set_bit(EXTENT_BUFFER_READING, &eb->bflags))
goto done;
At this point, it seems safe to start the actual read operation. Once
that completes, end_bbio_meta_read() does
/* (3) */
set_extent_buffer_uptodate(eb);
/* (4) */
clear_bit(EXTENT_BUFFER_READING, &eb->bflags);
Normally, this is enough to ensure only one read happens, and all other
callers wait for it to finish before returning. Unfortunately, there is
a racey interleaving:
Thread A | Thread B | Thread C
---------+----------+---------
(1) | |
| (1) |
(2) | |
(3) | |
(4) | |
| (2) |
| | (1)
When this happens, thread B kicks of an unnecessary read. Worse, thread
C will see UPTODATE set and return immediately, while the read from
thread B is still in progress. This race could result in tree-checker
errors like this as the extent buffer is concurrently modified:
BTRFS critical (device dm-0): corrupted node, root=256
block=8550954455682405139 owner mismatch, have 11858205567642294356
expect [256, 18446744073709551360]
Fix it by testing UPTODATE again after setting the READING bit, and if
it's been set, skip the unnecessary read.
Fixes: d7172f52e993 ("btrfs: use per-buffer locking for extent_buffer reading")
Link: https://lore.kernel.org/linux-btrfs/CAHk-=whNdMaN9ntZ47XRKP6DBes2E5w7fi-0U3H2+PS18p+Pzw@mail.gmail.com/
Link: https://lore.kernel.org/linux-btrfs/f51a6d5d7432455a6a858d51b49ecac183e0bbc9.1706312914.git.wqu@suse.com/
Link: https://lore.kernel.org/linux-btrfs/c7241ea4-fcc6-48d2-98c8-b5ea790d6c89@gmx.com/
CC: stable@vger.kernel.org # 6.5+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tavian Barnes <tavianator@tavianator.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ minor update of changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/extent_io.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 7441245b1ceb1..61594eaf1f896 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4333,6 +4333,19 @@ int read_extent_buffer_pages(struct extent_buffer *eb, int wait, int mirror_num,
if (test_and_set_bit(EXTENT_BUFFER_READING, &eb->bflags))
goto done;
+ /*
+ * Between the initial test_bit(EXTENT_BUFFER_UPTODATE) and the above
+ * test_and_set_bit(EXTENT_BUFFER_READING), someone else could have
+ * started and finished reading the same eb. In this case, UPTODATE
+ * will now be set, and we shouldn't read it in again.
+ */
+ if (unlikely(test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags))) {
+ clear_bit(EXTENT_BUFFER_READING, &eb->bflags);
+ smp_mb__after_atomic();
+ wake_up_bit(&eb->bflags, EXTENT_BUFFER_READING);
+ return 0;
+ }
+
clear_bit(EXTENT_BUFFER_READ_ERR, &eb->bflags);
eb->read_mirror = 0;
check_buffer_tree_ref(eb);
--
GitLab
From eb58c598ce45b7e787568fe27016260417c3d807 Mon Sep 17 00:00:00 2001
From: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Date: Wed, 13 Mar 2024 10:44:00 +0100
Subject: [PATCH 1651/2686] i40e: fix i40e_count_filters() to count only
active/new filters
The bug usually affects untrusted VFs, because they are limited to 18 MACs,
it affects them badly, not letting to create MAC all filters.
Not stable to reproduce, it happens when VF user creates MAC filters
when other MACVLAN operations are happened in parallel.
But consequence is that VF can't receive desired traffic.
Fix counter to be bumped only for new or active filters.
Fixes: 621650cabee5 ("i40e: Refactoring VF MAC filters counting to make more reliable")
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
drivers/net/ethernet/intel/i40e/i40e_main.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 6576a00810936..48b9ddb2b1b38 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -1253,8 +1253,11 @@ int i40e_count_filters(struct i40e_vsi *vsi)
int bkt;
int cnt = 0;
- hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist)
- ++cnt;
+ hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist) {
+ if (f->state == I40E_FILTER_NEW ||
+ f->state == I40E_FILTER_ACTIVE)
+ ++cnt;
+ }
return cnt;
}
--
GitLab
From f37c4eac99c258111d414d31b740437e1925b8e8 Mon Sep 17 00:00:00 2001
From: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Date: Wed, 13 Mar 2024 10:56:39 +0100
Subject: [PATCH 1652/2686] i40e: fix vf may be used uninitialized in this
function warning
To fix the regression introduced by commit 52424f974bc5, which causes
servers hang in very hard to reproduce conditions with resets races.
Using two sources for the information is the root cause.
In this function before the fix bumping v didn't mean bumping vf
pointer. But the code used this variables interchangeably, so stale vf
could point to different/not intended vf.
Remove redundant "v" variable and iterate via single VF pointer across
whole function instead to guarantee VF pointer validity.
Fixes: 52424f974bc5 ("i40e: Fix VF hang when reset is triggered on another VF")
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
.../ethernet/intel/i40e/i40e_virtchnl_pf.c | 34 +++++++++----------
1 file changed, 16 insertions(+), 18 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 83a34e98bdc79..4c13f78af6756 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -1624,8 +1624,8 @@ bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
{
struct i40e_hw *hw = &pf->hw;
struct i40e_vf *vf;
- int i, v;
u32 reg;
+ int i;
/* If we don't have any VFs, then there is nothing to reset */
if (!pf->num_alloc_vfs)
@@ -1636,11 +1636,10 @@ bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
return false;
/* Begin reset on all VFs at once */
- for (v = 0; v < pf->num_alloc_vfs; v++) {
- vf = &pf->vf[v];
+ for (vf = &pf->vf[0]; vf < &pf->vf[pf->num_alloc_vfs]; ++vf) {
/* If VF is being reset no need to trigger reset again */
if (!test_bit(I40E_VF_STATE_RESETTING, &vf->vf_states))
- i40e_trigger_vf_reset(&pf->vf[v], flr);
+ i40e_trigger_vf_reset(vf, flr);
}
/* HW requires some time to make sure it can flush the FIFO for a VF
@@ -1649,14 +1648,13 @@ bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
* the VFs using a simple iterator that increments once that VF has
* finished resetting.
*/
- for (i = 0, v = 0; i < 10 && v < pf->num_alloc_vfs; i++) {
+ for (i = 0, vf = &pf->vf[0]; i < 10 && vf < &pf->vf[pf->num_alloc_vfs]; ++i) {
usleep_range(10000, 20000);
/* Check each VF in sequence, beginning with the VF to fail
* the previous check.
*/
- while (v < pf->num_alloc_vfs) {
- vf = &pf->vf[v];
+ while (vf < &pf->vf[pf->num_alloc_vfs]) {
if (!test_bit(I40E_VF_STATE_RESETTING, &vf->vf_states)) {
reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
if (!(reg & I40E_VPGEN_VFRSTAT_VFRD_MASK))
@@ -1666,7 +1664,7 @@ bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
/* If the current VF has finished resetting, move on
* to the next VF in sequence.
*/
- v++;
+ ++vf;
}
}
@@ -1676,39 +1674,39 @@ bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
/* Display a warning if at least one VF didn't manage to reset in
* time, but continue on with the operation.
*/
- if (v < pf->num_alloc_vfs)
+ if (vf < &pf->vf[pf->num_alloc_vfs])
dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
- pf->vf[v].vf_id);
+ vf->vf_id);
usleep_range(10000, 20000);
/* Begin disabling all the rings associated with VFs, but do not wait
* between each VF.
*/
- for (v = 0; v < pf->num_alloc_vfs; v++) {
+ for (vf = &pf->vf[0]; vf < &pf->vf[pf->num_alloc_vfs]; ++vf) {
/* On initial reset, we don't have any queues to disable */
- if (pf->vf[v].lan_vsi_idx == 0)
+ if (vf->lan_vsi_idx == 0)
continue;
/* If VF is reset in another thread just continue */
if (test_bit(I40E_VF_STATE_RESETTING, &vf->vf_states))
continue;
- i40e_vsi_stop_rings_no_wait(pf->vsi[pf->vf[v].lan_vsi_idx]);
+ i40e_vsi_stop_rings_no_wait(pf->vsi[vf->lan_vsi_idx]);
}
/* Now that we've notified HW to disable all of the VF rings, wait
* until they finish.
*/
- for (v = 0; v < pf->num_alloc_vfs; v++) {
+ for (vf = &pf->vf[0]; vf < &pf->vf[pf->num_alloc_vfs]; ++vf) {
/* On initial reset, we don't have any queues to disable */
- if (pf->vf[v].lan_vsi_idx == 0)
+ if (vf->lan_vsi_idx == 0)
continue;
/* If VF is reset in another thread just continue */
if (test_bit(I40E_VF_STATE_RESETTING, &vf->vf_states))
continue;
- i40e_vsi_wait_queues_disabled(pf->vsi[pf->vf[v].lan_vsi_idx]);
+ i40e_vsi_wait_queues_disabled(pf->vsi[vf->lan_vsi_idx]);
}
/* Hw may need up to 50ms to finish disabling the RX queues. We
@@ -1717,12 +1715,12 @@ bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
mdelay(50);
/* Finish the reset on each VF */
- for (v = 0; v < pf->num_alloc_vfs; v++) {
+ for (vf = &pf->vf[0]; vf < &pf->vf[pf->num_alloc_vfs]; ++vf) {
/* If VF is reset in another thread just continue */
if (test_bit(I40E_VF_STATE_RESETTING, &vf->vf_states))
continue;
- i40e_cleanup_reset_vf(&pf->vf[v]);
+ i40e_cleanup_reset_vf(vf);
}
i40e_flush(hw);
--
GitLab
From a46aba14cf8f35b13d8846217740da9935403b2a Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 4 Feb 2024 18:46:13 +0900
Subject: [PATCH 1653/2686] cxl: remove CONFIG_CXL_PMU entry in
drivers/cxl/Kconfig
Commit 5d7107c72796 ("perf: CXL Performance Monitoring Unit driver")
added the config entries for CXL_PMU in drivers/cxl/Kconfig and
drivers/perf/Kconfig, so it can be toggled from multiple locations:
[1] Device Drivers
-> PCI support
-> CXL (Compute Expres Link) Devices
-> CXL Performance Monitoring Unit
[2] Device Drivers
-> Performance monitor support
-> CXL Performance Monitoring Unit
This complicates things, and nobody else does this.
I kept the one in drivers/perf/Kconfig because CONFIG_CXL_PMU controls
the compilation of drivers/perf/cxl_pmu.c.
Acked-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
drivers/cxl/Kconfig | 13 -------------
1 file changed, 13 deletions(-)
diff --git a/drivers/cxl/Kconfig b/drivers/cxl/Kconfig
index 67998dbd1d46b..5f3c9c5529b96 100644
--- a/drivers/cxl/Kconfig
+++ b/drivers/cxl/Kconfig
@@ -144,17 +144,4 @@ config CXL_REGION_INVALIDATION_TEST
If unsure, or if this kernel is meant for production environments,
say N.
-config CXL_PMU
- tristate "CXL Performance Monitoring Unit"
- default CXL_BUS
- depends on PERF_EVENTS
- help
- Support performance monitoring as defined in CXL rev 3.0
- section 13.2: Performance Monitoring. CXL components may have
- one or more CXL Performance Monitoring Units (CPMUs).
-
- Say 'y/m' to enable a driver that will attach to performance
- monitoring units and provide standard perf based interfaces.
-
- If unsure say 'm'.
endif
--
GitLab
From 9a88b338d6e941bd89bcbcbe9b834ebe896fea4a Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 23 Mar 2024 17:51:00 +0900
Subject: [PATCH 1654/2686] MIPS: move unselectable FIT_IMAGE_FDT_EPM5 out of
the "System type" choice
The reason is described in 5033ad566016 ("MIPS: move unselectable
entries out of the "CPU type" choice").
At the same time, commit 101bd58fde10 ("MIPS: Add support for Mobileye
EyeQ5") introduced another unselectable choice member.
(In fact, 5033ad566016 and 101bd58fde10 have the same commit time.)
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
arch/mips/Kconfig | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 06ef440d16ce7..516dc7022bd74 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -619,15 +619,6 @@ config MACH_EYEQ5
bool
-config FIT_IMAGE_FDT_EPM5
- bool "Include FDT for Mobileye EyeQ5 development platforms"
- depends on MACH_EYEQ5
- default n
- help
- Enable this to include the FDT for the EyeQ5 development platforms
- from Mobileye in the FIT kernel image.
- This requires u-boot on the platform.
-
config MACH_NINTENDO64
bool "Nintendo 64 console"
select CEVT_R4K
@@ -1011,6 +1002,15 @@ config CAVIUM_OCTEON_SOC
endchoice
+config FIT_IMAGE_FDT_EPM5
+ bool "Include FDT for Mobileye EyeQ5 development platforms"
+ depends on MACH_EYEQ5
+ default n
+ help
+ Enable this to include the FDT for the EyeQ5 development platforms
+ from Mobileye in the FIT kernel image.
+ This requires u-boot on the platform.
+
source "arch/mips/alchemy/Kconfig"
source "arch/mips/ath25/Kconfig"
source "arch/mips/ath79/Kconfig"
--
GitLab
From dc53d9eac1db76fd27b1fcee1f64c840cf82b468 Mon Sep 17 00:00:00 2001
From: John Garry <john.g.garry@oracle.com>
Date: Mon, 25 Mar 2024 08:35:01 +0000
Subject: [PATCH 1655/2686] block: Make blk_rq_set_mixed_merge() static
Since commit 8e756373d7c8 ("block: Move bio merge related functions into
blk-merge.c"), blk_rq_set_mixed_merge() has only been referenced in
blk-merge.c, so make it static.
Signed-off-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240325083501.2816408-1-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/blk-merge.c | 2 +-
block/blk.h | 1 -
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 2a06fd33039da..4e3483a16b757 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -726,7 +726,7 @@ static int ll_merge_requests_fn(struct request_queue *q, struct request *req,
* which can be mixed are set in each bio and mark @rq as mixed
* merged.
*/
-void blk_rq_set_mixed_merge(struct request *rq)
+static void blk_rq_set_mixed_merge(struct request *rq)
{
blk_opf_t ff = rq->cmd_flags & REQ_FAILFAST_MASK;
struct bio *bio;
diff --git a/block/blk.h b/block/blk.h
index 5cac4e29ae174..d9f584984bc44 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -339,7 +339,6 @@ int ll_back_merge_fn(struct request *req, struct bio *bio,
bool blk_attempt_req_merge(struct request_queue *q, struct request *rq,
struct request *next);
unsigned int blk_recalc_rq_segments(struct request *rq);
-void blk_rq_set_mixed_merge(struct request *rq);
bool blk_rq_merge_ok(struct request *rq, struct bio *bio);
enum elv_merge blk_try_merge(struct request *rq, struct bio *bio);
--
GitLab
From 038105a200689ae07eb9e804ca2295e628a45820 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Tue, 26 Mar 2024 07:07:45 +0100
Subject: [PATCH 1656/2686] block: don't reject too large max_user_sectors in
blk_validate_limits
We already cap down the actual max_sectors to the max of the hardware
and user limit, so don't reject the configuration.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20240326060745.2349154-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/blk-settings.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 3c7d8d638ab59..cdbaef159c4bc 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -146,8 +146,7 @@ static int blk_validate_limits(struct queue_limits *lim)
max_hw_sectors = min_not_zero(lim->max_hw_sectors,
lim->max_dev_sectors);
if (lim->max_user_sectors) {
- if (lim->max_user_sectors > max_hw_sectors ||
- lim->max_user_sectors < PAGE_SIZE / SECTOR_SIZE)
+ if (lim->max_user_sectors < PAGE_SIZE / SECTOR_SIZE)
return -EINVAL;
lim->max_sectors = min(max_hw_sectors, lim->max_user_sectors);
} else {
--
GitLab
From f8572367eaff6739e3bc238ba93b86cd7881c0ff Mon Sep 17 00:00:00 2001
From: Peter Xu <peterx@redhat.com>
Date: Wed, 13 Mar 2024 17:31:07 -0400
Subject: [PATCH 1657/2686] mm/memory: fix missing pte marker for !page on pte
zaps
Commit 0cf18e839f64 of large folio zap work broke uffd-wp. Now mm's uffd
unit test "wp-unpopulated" will trigger this WARN_ON_ONCE().
The WARN_ON_ONCE() asserts that an VMA cannot be registered with
userfaultfd-wp if it contains a !normal page, but it's actually possible.
One example is an anonymous vma, register with uffd-wp, read anything will
install a zero page. Then when zap on it, this should trigger.
What's more, removing that WARN_ON_ONCE may not be enough either, because
we should also not rely on "whether it's a normal page" to decide whether
pte marker is needed. For example, one can register wr-protect over some
DAX regions to track writes when UFFD_FEATURE_WP_ASYNC enabled, in which
case it can have page==NULL for a devmap but we may want to keep the
marker around.
Link: https://lkml.kernel.org/r/20240313213107.235067-1-peterx@redhat.com
Fixes: 0cf18e839f64 ("mm/memory: handle !page case in zap_present_pte() separately")
Signed-off-by: Peter Xu <peterx@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/memory.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/mm/memory.c b/mm/memory.c
index f2bc6dd15eb83..904f70b994985 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1536,7 +1536,9 @@ static inline int zap_present_ptes(struct mmu_gather *tlb,
ptep_get_and_clear_full(mm, addr, pte, tlb->fullmm);
arch_check_zapped_pte(vma, ptent);
tlb_remove_tlb_entry(tlb, pte, addr);
- VM_WARN_ON_ONCE(userfaultfd_wp(vma));
+ if (userfaultfd_pte_wp(vma, ptent))
+ zap_install_uffd_wp_if_needed(vma, addr, pte, 1,
+ details, ptent);
ksm_might_unmap_zero_page(mm, ptent);
return 1;
}
--
GitLab
From 8b65ef5ad4862904e476a8f3d4e4418c950ddb90 Mon Sep 17 00:00:00 2001
From: Vitaly Chikunov <vt@altlinux.org>
Date: Mon, 18 Mar 2024 05:34:44 +0300
Subject: [PATCH 1658/2686] selftests/mm: Fix build with _FORTIFY_SOURCE
Add missing flags argument to open(2) call with O_CREAT.
Some tests fail to compile if _FORTIFY_SOURCE is defined (to any valid
value) (together with -O), resulting in similar error messages such as:
In file included from /usr/include/fcntl.h:342,
from gup_test.c:1:
In function 'open',
inlined from 'main' at gup_test.c:206:10:
/usr/include/bits/fcntl2.h:50:11: error: call to '__open_missing_mode' declared with attribute error: open with O_CREAT or O_TMPFILE in second argument needs 3 arguments
50 | __open_missing_mode ();
| ^~~~~~~~~~~~~~~~~~~~~~
_FORTIFY_SOURCE is enabled by default in some distributions, so the
tests are not built by default and are skipped.
open(2) man-page warns about missing flags argument: "if it is not
supplied, some arbitrary bytes from the stack will be applied as the
file mode."
Link: https://lkml.kernel.org/r/20240318023445.3192922-1-vt@altlinux.org
Fixes: aeb85ed4f41a ("tools/testing/selftests/vm/gup_benchmark.c: allow user specified file")
Fixes: fbe37501b252 ("mm: huge_memory: debugfs for file-backed THP split")
Fixes: c942f5bd17b3 ("selftests: soft-dirty: add test for mprotect")
Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Keith Busch <kbusch@kernel.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Nadav Amit <nadav.amit@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/testing/selftests/mm/gup_test.c | 2 +-
tools/testing/selftests/mm/soft-dirty.c | 2 +-
tools/testing/selftests/mm/split_huge_page_test.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/tools/testing/selftests/mm/gup_test.c b/tools/testing/selftests/mm/gup_test.c
index cbe99594d319b..18a49c70d4c63 100644
--- a/tools/testing/selftests/mm/gup_test.c
+++ b/tools/testing/selftests/mm/gup_test.c
@@ -203,7 +203,7 @@ int main(int argc, char **argv)
ksft_print_header();
ksft_set_plan(nthreads);
- filed = open(file, O_RDWR|O_CREAT);
+ filed = open(file, O_RDWR|O_CREAT, 0664);
if (filed < 0)
ksft_exit_fail_msg("Unable to open %s: %s\n", file, strerror(errno));
diff --git a/tools/testing/selftests/mm/soft-dirty.c b/tools/testing/selftests/mm/soft-dirty.c
index cc5f144430d4d..7dbfa53d93a05 100644
--- a/tools/testing/selftests/mm/soft-dirty.c
+++ b/tools/testing/selftests/mm/soft-dirty.c
@@ -137,7 +137,7 @@ static void test_mprotect(int pagemap_fd, int pagesize, bool anon)
if (!map)
ksft_exit_fail_msg("anon mmap failed\n");
} else {
- test_fd = open(fname, O_RDWR | O_CREAT);
+ test_fd = open(fname, O_RDWR | O_CREAT, 0664);
if (test_fd < 0) {
ksft_test_result_skip("Test %s open() file failed\n", __func__);
return;
diff --git a/tools/testing/selftests/mm/split_huge_page_test.c b/tools/testing/selftests/mm/split_huge_page_test.c
index 856662d2f87a1..6c988bd2f3356 100644
--- a/tools/testing/selftests/mm/split_huge_page_test.c
+++ b/tools/testing/selftests/mm/split_huge_page_test.c
@@ -223,7 +223,7 @@ void split_file_backed_thp(void)
ksft_exit_fail_msg("Fail to create file-backed THP split testing file\n");
}
- fd = open(testfile, O_CREAT|O_WRONLY);
+ fd = open(testfile, O_CREAT|O_WRONLY, 0664);
if (fd == -1) {
ksft_perror("Cannot open testing file");
goto cleanup;
--
GitLab
From 4624b346cf67400ef46a31771011fb798dd2f999 Mon Sep 17 00:00:00 2001
From: John Sperbeck <jsperbeck@google.com>
Date: Sun, 17 Mar 2024 15:15:22 -0700
Subject: [PATCH 1659/2686] init: open /initrd.image with O_LARGEFILE
If initrd data is larger than 2Gb, we'll eventually fail to write to the
/initrd.image file when we hit that limit, unless O_LARGEFILE is set.
Link: https://lkml.kernel.org/r/20240317221522.896040-1-jsperbeck@google.com
Signed-off-by: John Sperbeck <jsperbeck@google.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
init/initramfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/init/initramfs.c b/init/initramfs.c
index da79760b8be3a..3127e0bf7bbd1 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -682,7 +682,7 @@ static void __init populate_initrd_image(char *err)
printk(KERN_INFO "rootfs image is not initramfs (%s); looks like an initrd\n",
err);
- file = filp_open("/initrd.image", O_WRONLY | O_CREAT, 0700);
+ file = filp_open("/initrd.image", O_WRONLY|O_CREAT|O_LARGEFILE, 0700);
if (IS_ERR(file))
return;
--
GitLab
From 329003246617dc52064a2dd9be7496c7a186bdac Mon Sep 17 00:00:00 2001
From: Leonard Crestez <cdleonard@gmail.com>
Date: Sat, 16 Mar 2024 20:28:37 +0200
Subject: [PATCH 1660/2686] mailmap: update entry for Leonard Crestez
Put my personal email first because NXP employment ended some time ago.
Also add my old intel email address.
Link: https://lkml.kernel.org/r/f568faa0-2380-4e93-a312-b80c1e367645@gmail.com
Signed-off-by: Leonard Crestez <cdleonard@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
.mailmap | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/.mailmap b/.mailmap
index 2216b5d5c84e4..dcc7af7ad4c73 100644
--- a/.mailmap
+++ b/.mailmap
@@ -340,7 +340,8 @@ Lee Jones <lee@kernel.org> <joneslee@google.com>
Lee Jones <lee@kernel.org> <lee.jones@canonical.com>
Lee Jones <lee@kernel.org> <lee.jones@linaro.org>
Lee Jones <lee@kernel.org> <lee@ubuntu.com>
-Leonard Crestez <leonard.crestez@nxp.com> Leonard Crestez <cdleonard@gmail.com>
+Leonard Crestez <cdleonard@gmail.com> <leonard.crestez@nxp.com>
+Leonard Crestez <cdleonard@gmail.com> <leonard.crestez@intel.com>
Leonardo Bras <leobras.c@gmail.com> <leonardo@linux.ibm.com>
Leonard Göhrs <l.goehrs@pengutronix.de>
Leonid I Ananiev <leonid.i.ananiev@intel.com>
--
GitLab
From 7844c01472119f55bd9a107a4578a6d26be04c46 Mon Sep 17 00:00:00 2001
From: Oscar Salvador <osalvador@suse.de>
Date: Fri, 15 Mar 2024 23:26:10 +0100
Subject: [PATCH 1661/2686] mm,page_owner: fix recursion
Prior to 217b2119b9e2 ("mm,page_owner: implement the tracking of the
stacks count") the only place where page_owner could potentially go into
recursion due to its need of allocating more memory was in save_stack(),
which ends up calling into stackdepot code with the possibility of
allocating memory.
We made sure to guard against that by signaling that the current task was
already in page_owner code, so in case a recursion attempt was made, we
could catch that and return dummy_handle.
After above commit, a new place in page_owner code was introduced where we
could allocate memory, meaning we could go into recursion would we take
that path.
Make sure to signal that we are in page_owner in that codepath as well.
Move the guard code into two helpers {un}set_current_in_page_owner() and
use them prior to calling in the two functions that might allocate memory.
Link: https://lkml.kernel.org/r/20240315222610.6870-1-osalvador@suse.de
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Fixes: 217b2119b9e2 ("mm,page_owner: implement the tracking of the stacks count")
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Marco Elver <elver@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/page_owner.c | 33 +++++++++++++++++++++++----------
1 file changed, 23 insertions(+), 10 deletions(-)
diff --git a/mm/page_owner.c b/mm/page_owner.c
index e7139952ffd9d..d17d1351ec84a 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -54,6 +54,22 @@ static depot_stack_handle_t early_handle;
static void init_early_allocated_pages(void);
+static inline void set_current_in_page_owner(void)
+{
+ /*
+ * Avoid recursion.
+ *
+ * We might need to allocate more memory from page_owner code, so make
+ * sure to signal it in order to avoid recursion.
+ */
+ current->in_page_owner = 1;
+}
+
+static inline void unset_current_in_page_owner(void)
+{
+ current->in_page_owner = 0;
+}
+
static int __init early_page_owner_param(char *buf)
{
int ret = kstrtobool(buf, &page_owner_enabled);
@@ -133,23 +149,16 @@ static noinline depot_stack_handle_t save_stack(gfp_t flags)
depot_stack_handle_t handle;
unsigned int nr_entries;
- /*
- * Avoid recursion.
- *
- * Sometimes page metadata allocation tracking requires more
- * memory to be allocated:
- * - when new stack trace is saved to stack depot
- */
if (current->in_page_owner)
return dummy_handle;
- current->in_page_owner = 1;
+ set_current_in_page_owner();
nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 2);
handle = stack_depot_save(entries, nr_entries, flags);
if (!handle)
handle = failure_handle;
+ unset_current_in_page_owner();
- current->in_page_owner = 0;
return handle;
}
@@ -164,9 +173,13 @@ static void add_stack_record_to_list(struct stack_record *stack_record,
gfp_mask &= (GFP_ATOMIC | GFP_KERNEL);
gfp_mask |= __GFP_NOWARN;
+ set_current_in_page_owner();
stack = kmalloc(sizeof(*stack), gfp_mask);
- if (!stack)
+ if (!stack) {
+ unset_current_in_page_owner();
return;
+ }
+ unset_current_in_page_owner();
stack->stack_record = stack_record;
stack->next = NULL;
--
GitLab
From 9cecde80aae0fb0aa44425575d5aca71bc646d89 Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Fri, 15 Mar 2024 14:08:21 +0000
Subject: [PATCH 1662/2686] mm: increase folio batch size
On a 104 thread, 2 socket Skylake system, Intel report a 4.7% performance
reduction with will-it-scale page_fault2. This was due to reducing the
size of the batch from 32 to 15. Increasing the folio batch size from 15
to 31 gives a performance increase of 12.5% relative to the original, or
17.2% relative to the reduced performance commit.
The penalty of this commit is an additional 128 bytes of stack usage. Six
folio_batches are also allocated from percpu memory in cpu_fbatches so
that will be an additional 768 bytes of percpu memory (per CPU). Tim Chen
originally submitted a patch like this in 2020:
https://lore.kernel.org/linux-mm/d1cc9f12a8ad6c2a52cb600d93b06b064f2bbc57.1593205965.git.tim.c.chen@linux.intel.com/
Link: https://lkml.kernel.org/r/20240315140823.2478146-1-willy@infradead.org
Fixes: 99fbb6bfc16f ("mm: make folios_put() the basis of release_pages()")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: Yujie Liu <yujie.liu@intel.com>
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202403151058.7048f6a8-oliver.sang@intel.com
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/pagevec.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index fcc06c300a72c..5d3a0cccc6bf8 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -11,8 +11,8 @@
#include <linux/types.h>
-/* 15 pointers + header align the folio_batch structure to a power of two */
-#define PAGEVEC_SIZE 15
+/* 31 pointers + header align the folio_batch structure to a power of two */
+#define PAGEVEC_SIZE 31
struct folio;
--
GitLab
From d5d39c707a4cf0bcc84680178677b97aa2cb2627 Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@cmpxchg.org>
Date: Fri, 15 Mar 2024 05:55:56 -0400
Subject: [PATCH 1663/2686] mm: cachestat: fix two shmem bugs
When cachestat on shmem races with swapping and invalidation, there
are two possible bugs:
1) A swapin error can have resulted in a poisoned swap entry in the
shmem inode's xarray. Calling get_shadow_from_swap_cache() on it
will result in an out-of-bounds access to swapper_spaces[].
Validate the entry with non_swap_entry() before going further.
2) When we find a valid swap entry in the shmem's inode, the shadow
entry in the swapcache might not exist yet: swap IO is still in
progress and we're before __remove_mapping; swapin, invalidation,
or swapoff have removed the shadow from swapcache after we saw the
shmem swap entry.
This will send a NULL to workingset_test_recent(). The latter
purely operates on pointer bits, so it won't crash - node 0, memcg
ID 0, eviction timestamp 0, etc. are all valid inputs - but it's a
bogus test. In theory that could result in a false "recently
evicted" count.
Such a false positive wouldn't be the end of the world. But for
code clarity and (future) robustness, be explicit about this case.
Bail on get_shadow_from_swap_cache() returning NULL.
Link: https://lkml.kernel.org/r/20240315095556.GC581298@cmpxchg.org
Fixes: cf264e1329fb ("cachestat: implement cachestat syscall")
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reported-by: Chengming Zhou <chengming.zhou@linux.dev> [Bug #1]
Reported-by: Jann Horn <jannh@google.com> [Bug #2]
Reviewed-by: Chengming Zhou <chengming.zhou@linux.dev>
Reviewed-by: Nhat Pham <nphamcs@gmail.com>
Cc: <stable@vger.kernel.org> [v6.5+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/filemap.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/mm/filemap.c b/mm/filemap.c
index 7437b2bd75c1a..30de18c4fd28a 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -4197,7 +4197,23 @@ static void filemap_cachestat(struct address_space *mapping,
/* shmem file - in swap cache */
swp_entry_t swp = radix_to_swp_entry(folio);
+ /* swapin error results in poisoned entry */
+ if (non_swap_entry(swp))
+ goto resched;
+
+ /*
+ * Getting a swap entry from the shmem
+ * inode means we beat
+ * shmem_unuse(). rcu_read_lock()
+ * ensures swapoff waits for us before
+ * freeing the swapper space. However,
+ * we can race with swapping and
+ * invalidation, so there might not be
+ * a shadow in the swapcache (yet).
+ */
shadow = get_shadow_from_swap_cache(swp);
+ if (!shadow)
+ goto resched;
}
#endif
if (workingset_test_recent(shadow, true, &workingset))
--
GitLab
From 950bf45d3bbfdb373772ed4d32b5f90e8532fcce Mon Sep 17 00:00:00 2001
From: Cong Liu <liucong2@kylinos.cn>
Date: Fri, 15 Mar 2024 09:22:48 +0800
Subject: [PATCH 1664/2686] tools/Makefile: remove cgroup target
The tools/cgroup directory no longer contains a Makefile. This patch
updates the top-level tools/Makefile to remove references to building and
installing cgroup components. This change reflects the current structure
of the tools directory and fixes the build failure when building tools in
the top-level directory.
linux/tools$ make cgroup
DESCEND cgroup
make[1]: *** No targets specified and no makefile found. Stop.
make: *** [Makefile:73: cgroup] Error 2
Link: https://lkml.kernel.org/r/20240315012249.439639-1-liucong2@kylinos.cn
Signed-off-by: Cong Liu <liucong2@kylinos.cn>
Acked-by: Stanislav Fomichev <sdf@google.com>
Reviewed-by: Dmitry Rokosov <ddrokosov@salutedevices.com>
Cc: Cong Liu <liucong2@kylinos.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/Makefile | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/tools/Makefile b/tools/Makefile
index 37e9f68048326..276f5d0d53a44 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -11,7 +11,6 @@ help:
@echo ''
@echo ' acpi - ACPI tools'
@echo ' bpf - misc BPF tools'
- @echo ' cgroup - cgroup tools'
@echo ' counter - counter tools'
@echo ' cpupower - a tool for all things x86 CPU power'
@echo ' debugging - tools for debugging'
@@ -69,7 +68,7 @@ acpi: FORCE
cpupower: FORCE
$(call descend,power/$@)
-cgroup counter firewire hv guest bootconfig spi usb virtio mm bpf iio gpio objtool leds wmi pci firmware debugging tracing: FORCE
+counter firewire hv guest bootconfig spi usb virtio mm bpf iio gpio objtool leds wmi pci firmware debugging tracing: FORCE
$(call descend,$@)
bpf/%: FORCE
@@ -116,7 +115,7 @@ freefall: FORCE
kvm_stat: FORCE
$(call descend,kvm/$@)
-all: acpi cgroup counter cpupower gpio hv firewire \
+all: acpi counter cpupower gpio hv firewire \
perf selftests bootconfig spi turbostat usb \
virtio mm bpf x86_energy_perf_policy \
tmon freefall iio objtool kvm_stat wmi \
@@ -128,7 +127,7 @@ acpi_install:
cpupower_install:
$(call descend,power/$(@:_install=),install)
-cgroup_install counter_install firewire_install gpio_install hv_install iio_install perf_install bootconfig_install spi_install usb_install virtio_install mm_install bpf_install objtool_install wmi_install pci_install debugging_install tracing_install:
+counter_install firewire_install gpio_install hv_install iio_install perf_install bootconfig_install spi_install usb_install virtio_install mm_install bpf_install objtool_install wmi_install pci_install debugging_install tracing_install:
$(call descend,$(@:_install=),install)
selftests_install:
@@ -155,7 +154,7 @@ freefall_install:
kvm_stat_install:
$(call descend,kvm/$(@:_install=),install)
-install: acpi_install cgroup_install counter_install cpupower_install gpio_install \
+install: acpi_install counter_install cpupower_install gpio_install \
hv_install firewire_install iio_install \
perf_install selftests_install turbostat_install usb_install \
virtio_install mm_install bpf_install x86_energy_perf_policy_install \
@@ -169,7 +168,7 @@ acpi_clean:
cpupower_clean:
$(call descend,power/cpupower,clean)
-cgroup_clean counter_clean hv_clean firewire_clean bootconfig_clean spi_clean usb_clean virtio_clean mm_clean wmi_clean bpf_clean iio_clean gpio_clean objtool_clean leds_clean pci_clean firmware_clean debugging_clean tracing_clean:
+counter_clean hv_clean firewire_clean bootconfig_clean spi_clean usb_clean virtio_clean mm_clean wmi_clean bpf_clean iio_clean gpio_clean objtool_clean leds_clean pci_clean firmware_clean debugging_clean tracing_clean:
$(call descend,$(@:_clean=),clean)
libapi_clean:
@@ -209,7 +208,7 @@ freefall_clean:
build_clean:
$(call descend,build,clean)
-clean: acpi_clean cgroup_clean counter_clean cpupower_clean hv_clean firewire_clean \
+clean: acpi_clean counter_clean cpupower_clean hv_clean firewire_clean \
perf_clean selftests_clean turbostat_clean bootconfig_clean spi_clean usb_clean virtio_clean \
mm_clean bpf_clean iio_clean x86_energy_perf_policy_clean tmon_clean \
freefall_clean build_clean libbpf_clean libsubcmd_clean \
--
GitLab
From c52eb6db7b7dd8b4b338b16c5c37df22a6b08fdf Mon Sep 17 00:00:00 2001
From: Muhammad Usama Anjum <usama.anjum@collabora.com>
Date: Thu, 14 Mar 2024 14:40:45 +0500
Subject: [PATCH 1665/2686] selftests: mm: restore settings from only parent
process
The atexit() is called from parent process as well as forked processes.
Hence the child restores the settings at exit while the parent is still
executing. Fix this by checking pid of atexit() calling process and only
restore THP number from parent process.
Link: https://lkml.kernel.org/r/20240314094045.157149-1-usama.anjum@collabora.com
Fixes: c23ea61726d5 ("selftests/mm: protection_keys: save/restore nr_hugepages settings")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Tested-by: Joey Gouly <joey.gouly@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/testing/selftests/mm/protection_keys.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/mm/protection_keys.c b/tools/testing/selftests/mm/protection_keys.c
index f822ae31af22e..374a308174d2b 100644
--- a/tools/testing/selftests/mm/protection_keys.c
+++ b/tools/testing/selftests/mm/protection_keys.c
@@ -1745,9 +1745,12 @@ void pkey_setup_shadow(void)
shadow_pkey_reg = __read_pkey_reg();
}
+pid_t parent_pid;
+
void restore_settings_atexit(void)
{
- cat_into_file(buf, "/proc/sys/vm/nr_hugepages");
+ if (parent_pid == getpid())
+ cat_into_file(buf, "/proc/sys/vm/nr_hugepages");
}
void save_settings(void)
@@ -1773,6 +1776,7 @@ void save_settings(void)
exit(__LINE__);
}
+ parent_pid = getpid();
atexit(restore_settings_atexit);
close(fd);
}
--
GitLab
From 9c500835f279e636722bbcafdfe62cc0153ec292 Mon Sep 17 00:00:00 2001
From: Barry Song <v-songbaohua@oppo.com>
Date: Tue, 19 Mar 2024 12:47:06 +1300
Subject: [PATCH 1666/2686] mm: zswap: fix kernel BUG in sg_init_one
sg_init_one() relies on linearly mapped low memory for the safe
utilization of virt_to_page(). Otherwise, we trigger a kernel BUG,
kernel BUG at include/linux/scatterlist.h:187!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 2997 Comm: syz-executor198 Not tainted 6.8.0-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at sg_set_buf include/linux/scatterlist.h:187 [inline]
PC is at sg_init_one+0x9c/0xa8 lib/scatterlist.c:143
LR is at sg_init_table+0x2c/0x40 lib/scatterlist.c:128
Backtrace:
[<807e16ac>] (sg_init_one) from [<804c1824>] (zswap_decompress+0xbc/0x208 mm/zswap.c:1089)
r7:83471c80 r6:def6d08c r5:844847d0 r4:ff7e7ef4
[<804c1768>] (zswap_decompress) from [<804c4468>] (zswap_load+0x15c/0x198 mm/zswap.c:1637)
r9:8446eb80 r8:8446eb80 r7:8446eb84 r6:def6d08c r5:00000001 r4:844847d0
[<804c430c>] (zswap_load) from [<804b9644>] (swap_read_folio+0xa8/0x498 mm/page_io.c:518)
r9:844ac800 r8:835e6c00 r7:00000000 r6:df955d4c r5:00000001 r4:def6d08c
[<804b959c>] (swap_read_folio) from [<804bb064>] (swap_cluster_readahead+0x1c4/0x34c mm/swap_state.c:684)
r10:00000000 r9:00000007 r8:df955d4b r7:00000000 r6:00000000 r5:00100cca
r4:00000001
[<804baea0>] (swap_cluster_readahead) from [<804bb3b8>] (swapin_readahead+0x68/0x4a8 mm/swap_state.c:904)
r10:df955eb8 r9:00000000 r8:00100cca r7:84476480 r6:00000001 r5:00000000
r4:00000001
[<804bb350>] (swapin_readahead) from [<8047cde0>] (do_swap_page+0x200/0xcc4 mm/memory.c:4046)
r10:00000040 r9:00000000 r8:844ac800 r7:84476480 r6:00000001 r5:00000000
r4:df955eb8
[<8047cbe0>] (do_swap_page) from [<8047e6c4>] (handle_pte_fault mm/memory.c:5301 [inline])
[<8047cbe0>] (do_swap_page) from [<8047e6c4>] (__handle_mm_fault mm/memory.c:5439 [inline])
[<8047cbe0>] (do_swap_page) from [<8047e6c4>] (handle_mm_fault+0x3d8/0x12b8 mm/memory.c:5604)
r10:00000040 r9:842b3900 r8:7eb0d000 r7:84476480 r6:7eb0d000 r5:835e6c00
r4:00000254
[<8047e2ec>] (handle_mm_fault) from [<80215d28>] (do_page_fault+0x148/0x3a8 arch/arm/mm/fault.c:326)
r10:00000007 r9:842b3900 r8:7eb0d000 r7:00000207 r6:00000254 r5:7eb0d9b4
r4:df955fb0
[<80215be0>] (do_page_fault) from [<80216170>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:558)
r10:7eb0da7c r9:00000000 r8:80215be0 r7:df955fb0 r6:7eb0d9b4 r5:00000207
r4:8261d0e0
[<80216138>] (do_DataAbort) from [<80200e3c>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427)
Exception stack(0xdf955fb0 to 0xdf955ff8)
5fa0: 00000000 00000000 22d5f800 0008d158
5fc0: 00000000 7eb0d9a4 00000000 00000109 00000000 00000000 7eb0da7c 7eb0da3c
5fe0: 00000000 7eb0d9a0 00000001 00066bd4 00000010 ffffffff
r8:824a9044 r7:835e6c00 r6:ffffffff r5:00000010 r4:00066bd4
Code: 1a000004 e1822003 e8860094 e89da8f0 (e7f001f2)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: 1a000004 bne 0x18
4: e1822003 orr r2, r2, r3
8: e8860094 stm r6, {r2, r4, r7}
c: e89da8f0 ldm sp, {r4, r5, r6, r7, fp, sp, pc}
* 10: e7f001f2 udf #18 <-- trapping instruction
Consequently, we have two choices: either employ kmap_to_page() alongside
sg_set_page(), or resort to copying high memory contents to a temporary
buffer residing in low memory. However, considering the introduction of
the WARN_ON_ONCE in commit ef6e06b2ef870 ("highmem: fix kmap_to_page() for
kmap_local_page() addresses"), which specifically addresses high memory
concerns, it appears that memcpy remains the sole viable option.
Link: https://lkml.kernel.org/r/20240318234706.95347-1-21cnbao@gmail.com
Fixes: 270700dd06ca ("mm/zswap: remove the memcpy if acomp is not sleepable")
Signed-off-by: Barry Song <v-songbaohua@oppo.com>
Reported-by: syzbot+adbc983a1588b7805de3@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/000000000000bbb3d80613f243a6@google.com/
Tested-by: syzbot+adbc983a1588b7805de3@syzkaller.appspotmail.com
Acked-by: Yosry Ahmed <yosryahmed@google.com>
Reviewed-by: Nhat Pham <nphamcs@gmail.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Chris Li <chrisl@kernel.org>
Cc: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/zswap.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/mm/zswap.c b/mm/zswap.c
index 9dec853647c8e..fc2755b05a734 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -1080,7 +1080,17 @@ static void zswap_decompress(struct zswap_entry *entry, struct page *page)
mutex_lock(&acomp_ctx->mutex);
src = zpool_map_handle(zpool, entry->handle, ZPOOL_MM_RO);
- if (acomp_ctx->is_sleepable && !zpool_can_sleep_mapped(zpool)) {
+ /*
+ * If zpool_map_handle is atomic, we cannot reliably utilize its mapped buffer
+ * to do crypto_acomp_decompress() which might sleep. In such cases, we must
+ * resort to copying the buffer to a temporary one.
+ * Meanwhile, zpool_map_handle() might return a non-linearly mapped buffer,
+ * such as a kmap address of high memory or even ever a vmap address.
+ * However, sg_init_one is only equipped to handle linearly mapped low memory.
+ * In such cases, we also must copy the buffer to a temporary and lowmem one.
+ */
+ if ((acomp_ctx->is_sleepable && !zpool_can_sleep_mapped(zpool)) ||
+ !virt_addr_valid(src)) {
memcpy(acomp_ctx->buffer, src, entry->length);
src = acomp_ctx->buffer;
zpool_unmap_handle(zpool, entry->handle);
@@ -1094,7 +1104,7 @@ static void zswap_decompress(struct zswap_entry *entry, struct page *page)
BUG_ON(acomp_ctx->req->dlen != PAGE_SIZE);
mutex_unlock(&acomp_ctx->mutex);
- if (!acomp_ctx->is_sleepable || zpool_can_sleep_mapped(zpool))
+ if (src != acomp_ctx->buffer)
zpool_unmap_handle(zpool, entry->handle);
}
--
GitLab
From db09f2df916eade885aae63963449666d3a23f8d Mon Sep 17 00:00:00 2001
From: Kuan-Wei Chiu <visitorckw@gmail.com>
Date: Wed, 20 Mar 2024 02:18:42 +0800
Subject: [PATCH 1667/2686] MAINTAINERS: remove incorrect M: tag for
dm-devel@lists.linux.dev
The dm-devel@lists.linux.dev mailing list should only be listed under the
L: (List) tag in the MAINTAINERS file. However, it was incorrectly listed
under both L: and M: (Maintainers) tags, which is not accurate. Remove
the M: tag for dm-devel@lists.linux.dev in the MAINTAINERS file to reflect
the correct categorization.
Link: https://lkml.kernel.org/r/20240319181842.249547-1-visitorckw@gmail.com
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Cc: Ching-Chun (Jim) Huang <jserv@ccns.ncku.edu.tw>
Cc: Matthew Sakai <msakai@redhat.com>
Cc: Michael Sclafani <dm-devel@lists.linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
MAINTAINERS | 1 -
1 file changed, 1 deletion(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index aa3b947fb0801..079a86e680bc2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6173,7 +6173,6 @@ F: include/uapi/linux/dm-*.h
DEVICE-MAPPER VDO TARGET
M: Matthew Sakai <msakai@redhat.com>
-M: dm-devel@lists.linux.dev
L: dm-devel@lists.linux.dev
S: Maintained
F: Documentation/admin-guide/device-mapper/vdo*.rst
--
GitLab
From d5aad4c2ca057e760a92a9a7d65bd38d72963f27 Mon Sep 17 00:00:00 2001
From: Zev Weiss <zev@bewilderbeest.net>
Date: Mon, 26 Feb 2024 17:35:41 -0800
Subject: [PATCH 1668/2686] prctl: generalize PR_SET_MDWE support check to be
per-arch
Patch series "ARM: prctl: Reject PR_SET_MDWE where not supported".
I noticed after a recent kernel update that my ARM926 system started
segfaulting on any execve() after calling prctl(PR_SET_MDWE). After some
investigation it appears that ARMv5 is incapable of providing the
appropriate protections for MDWE, since any readable memory is also
implicitly executable.
The prctl_set_mdwe() function already had some special-case logic added
disabling it on PARISC (commit 793838138c15, "prctl: Disable
prctl(PR_SET_MDWE) on parisc"); this patch series (1) generalizes that
check to use an arch_*() function, and (2) adds a corresponding override
for ARM to disable MDWE on pre-ARMv6 CPUs.
With the series applied, prctl(PR_SET_MDWE) is rejected on ARMv5 and
subsequent execve() calls (as well as mmap(PROT_READ|PROT_WRITE)) can
succeed instead of unconditionally failing; on ARMv6 the prctl works as it
did previously.
[0] https://lore.kernel.org/all/2023112456-linked-nape-bf19@gregkh/
This patch (of 2):
There exist systems other than PARISC where MDWE may not be feasible to
support; rather than cluttering up the generic code with additional
arch-specific logic let's add a generic function for checking MDWE support
and allow each arch to override it as needed.
Link: https://lkml.kernel.org/r/20240227013546.15769-4-zev@bewilderbeest.net
Link: https://lkml.kernel.org/r/20240227013546.15769-5-zev@bewilderbeest.net
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Acked-by: Helge Deller <deller@gmx.de> [parisc]
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: Florent Revest <revest@chromium.org>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Ondrej Mosnacek <omosnace@redhat.com>
Cc: Rick Edgecombe <rick.p.edgecombe@intel.com>
Cc: Russell King (Oracle) <linux@armlinux.org.uk>
Cc: Sam James <sam@gentoo.org>
Cc: Stefan Roesch <shr@devkernel.io>
Cc: Yang Shi <yang@os.amperecomputing.com>
Cc: Yin Fengwei <fengwei.yin@intel.com>
Cc: <stable@vger.kernel.org> [6.3+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/parisc/include/asm/mman.h | 14 ++++++++++++++
include/linux/mman.h | 8 ++++++++
kernel/sys.c | 7 +++++--
3 files changed, 27 insertions(+), 2 deletions(-)
create mode 100644 arch/parisc/include/asm/mman.h
diff --git a/arch/parisc/include/asm/mman.h b/arch/parisc/include/asm/mman.h
new file mode 100644
index 0000000000000..47c5a1991d103
--- /dev/null
+++ b/arch/parisc/include/asm/mman.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_MMAN_H__
+#define __ASM_MMAN_H__
+
+#include <uapi/asm/mman.h>
+
+/* PARISC cannot allow mdwe as it needs writable stacks */
+static inline bool arch_memory_deny_write_exec_supported(void)
+{
+ return false;
+}
+#define arch_memory_deny_write_exec_supported arch_memory_deny_write_exec_supported
+
+#endif /* __ASM_MMAN_H__ */
diff --git a/include/linux/mman.h b/include/linux/mman.h
index dc7048824be81..bcb201ab7a412 100644
--- a/include/linux/mman.h
+++ b/include/linux/mman.h
@@ -162,6 +162,14 @@ calc_vm_flag_bits(unsigned long flags)
unsigned long vm_commit_limit(void);
+#ifndef arch_memory_deny_write_exec_supported
+static inline bool arch_memory_deny_write_exec_supported(void)
+{
+ return true;
+}
+#define arch_memory_deny_write_exec_supported arch_memory_deny_write_exec_supported
+#endif
+
/*
* Denies creating a writable executable mapping or gaining executable permissions.
*
diff --git a/kernel/sys.c b/kernel/sys.c
index f8e543f1e38a0..8bb106a56b3a5 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -2408,8 +2408,11 @@ static inline int prctl_set_mdwe(unsigned long bits, unsigned long arg3,
if (bits & PR_MDWE_NO_INHERIT && !(bits & PR_MDWE_REFUSE_EXEC_GAIN))
return -EINVAL;
- /* PARISC cannot allow mdwe as it needs writable stacks */
- if (IS_ENABLED(CONFIG_PARISC))
+ /*
+ * EOPNOTSUPP might be more appropriate here in principle, but
+ * existing userspace depends on EINVAL specifically.
+ */
+ if (!arch_memory_deny_write_exec_supported())
return -EINVAL;
current_bits = get_current_mdwe();
--
GitLab
From 166ce846dc5974a266f6c2a2896dbef5425a6f21 Mon Sep 17 00:00:00 2001
From: Zev Weiss <zev@bewilderbeest.net>
Date: Mon, 26 Feb 2024 17:35:42 -0800
Subject: [PATCH 1669/2686] ARM: prctl: reject PR_SET_MDWE on pre-ARMv6
On v5 and lower CPUs we can't provide MDWE protection, so ensure we fail
any attempt to enable it via prctl(PR_SET_MDWE).
Previously such an attempt would misleadingly succeed, leading to any
subsequent mmap(PROT_READ|PROT_WRITE) or execve() failing unconditionally
(the latter somewhat violently via force_fatal_sig(SIGSEGV) due to
READ_IMPLIES_EXEC).
Link: https://lkml.kernel.org/r/20240227013546.15769-6-zev@bewilderbeest.net
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Cc: <stable@vger.kernel.org> [6.3+]
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Ondrej Mosnacek <omosnace@redhat.com>
Cc: Rick Edgecombe <rick.p.edgecombe@intel.com>
Cc: Russell King (Oracle) <linux@armlinux.org.uk>
Cc: Sam James <sam@gentoo.org>
Cc: Stefan Roesch <shr@devkernel.io>
Cc: Yang Shi <yang@os.amperecomputing.com>
Cc: Yin Fengwei <fengwei.yin@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/arm/include/asm/mman.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
create mode 100644 arch/arm/include/asm/mman.h
diff --git a/arch/arm/include/asm/mman.h b/arch/arm/include/asm/mman.h
new file mode 100644
index 0000000000000..2189e507c8e08
--- /dev/null
+++ b/arch/arm/include/asm/mman.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_MMAN_H__
+#define __ASM_MMAN_H__
+
+#include <asm/system_info.h>
+#include <uapi/asm/mman.h>
+
+static inline bool arch_memory_deny_write_exec_supported(void)
+{
+ return cpu_architecture() >= CPU_ARCH_ARMv6;
+}
+#define arch_memory_deny_write_exec_supported arch_memory_deny_write_exec_supported
+
+#endif /* __ASM_MMAN_H__ */
--
GitLab
From 30fb6a8d9e3378919f378f9bf561142b4a6d2637 Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@cmpxchg.org>
Date: Thu, 21 Mar 2024 14:25:32 -0400
Subject: [PATCH 1670/2686] mm: zswap: fix writeback shinker GFP_NOIO/GFP_NOFS
recursion
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Kent forwards this bug report of zswap re-entering the block layer
from an IO request allocation and locking up:
[10264.128242] sysrq: Show Blocked State
[10264.128268] task:kworker/20:0H state:D stack:0 pid:143 tgid:143 ppid:2 flags:0x00004000
[10264.128271] Workqueue: bcachefs_io btree_write_submit [bcachefs]
[10264.128295] Call Trace:
[10264.128295] <TASK>
[10264.128297] __schedule+0x3e6/0x1520
[10264.128303] schedule+0x32/0xd0
[10264.128304] schedule_timeout+0x98/0x160
[10264.128308] io_schedule_timeout+0x50/0x80
[10264.128309] wait_for_completion_io_timeout+0x7f/0x180
[10264.128310] submit_bio_wait+0x78/0xb0
[10264.128313] swap_writepage_bdev_sync+0xf6/0x150
[10264.128317] zswap_writeback_entry+0xf2/0x180
[10264.128319] shrink_memcg_cb+0xe7/0x2f0
[10264.128322] __list_lru_walk_one+0xb9/0x1d0
[10264.128325] list_lru_walk_one+0x5d/0x90
[10264.128326] zswap_shrinker_scan+0xc4/0x130
[10264.128327] do_shrink_slab+0x13f/0x360
[10264.128328] shrink_slab+0x28e/0x3c0
[10264.128329] shrink_one+0x123/0x1b0
[10264.128331] shrink_node+0x97e/0xbc0
[10264.128332] do_try_to_free_pages+0xe7/0x5b0
[10264.128333] try_to_free_pages+0xe1/0x200
[10264.128334] __alloc_pages_slowpath.constprop.0+0x343/0xde0
[10264.128337] __alloc_pages+0x32d/0x350
[10264.128338] allocate_slab+0x400/0x460
[10264.128339] ___slab_alloc+0x40d/0xa40
[10264.128345] kmem_cache_alloc+0x2e7/0x330
[10264.128348] mempool_alloc+0x86/0x1b0
[10264.128349] bio_alloc_bioset+0x200/0x4f0
[10264.128352] bio_alloc_clone+0x23/0x60
[10264.128354] alloc_io+0x26/0xf0 [dm_mod 7e9e6b44df4927f93fb3e4b5c782767396f58382]
[10264.128361] dm_submit_bio+0xb8/0x580 [dm_mod 7e9e6b44df4927f93fb3e4b5c782767396f58382]
[10264.128366] __submit_bio+0xb0/0x170
[10264.128367] submit_bio_noacct_nocheck+0x159/0x370
[10264.128368] bch2_submit_wbio_replicas+0x21c/0x3a0 [bcachefs 85f1b9a7a824f272eff794653a06dde1a94439f2]
[10264.128391] btree_write_submit+0x1cf/0x220 [bcachefs 85f1b9a7a824f272eff794653a06dde1a94439f2]
[10264.128406] process_one_work+0x178/0x350
[10264.128408] worker_thread+0x30f/0x450
[10264.128409] kthread+0xe5/0x120
The zswap shrinker resumes the swap_writepage()s that were intercepted
by the zswap store. This will enter the block layer, and may even
enter the filesystem depending on the swap backing file.
Make it respect GFP_NOIO and GFP_NOFS.
Link: https://lore.kernel.org/linux-mm/rc4pk2r42oyvjo4dc62z6sovquyllq56i5cdgcaqbd7wy3hfzr@n4nbxido3fme/
Link: https://lkml.kernel.org/r/20240321182532.60000-1-hannes@cmpxchg.org
Fixes: b5ba474f3f51 ("zswap: shrink zswap pool based on memory pressure")
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reported-by: Kent Overstreet <kent.overstreet@linux.dev>
Acked-by: Yosry Ahmed <yosryahmed@google.com>
Reported-by: Jérôme Poulin <jeromepoulin@gmail.com>
Reviewed-by: Nhat Pham <nphamcs@gmail.com>
Reviewed-by: Chengming Zhou <chengming.zhou@linux.dev>
Cc: stable@vger.kernel.org [v6.8]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/zswap.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/mm/zswap.c b/mm/zswap.c
index fc2755b05a734..36612f34b5d72 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -1323,6 +1323,14 @@ static unsigned long zswap_shrinker_count(struct shrinker *shrinker,
if (!zswap_shrinker_enabled || !mem_cgroup_zswap_writeback_enabled(memcg))
return 0;
+ /*
+ * The shrinker resumes swap writeback, which will enter block
+ * and may enter fs. XXX: Harmonize with vmscan.c __GFP_FS
+ * rules (may_enter_fs()), which apply on a per-folio basis.
+ */
+ if (!gfp_has_io_fs(sc->gfp_mask))
+ return 0;
+
#ifdef CONFIG_MEMCG_KMEM
mem_cgroup_flush_stats(memcg);
nr_backing = memcg_page_state(memcg, MEMCG_ZSWAP_B) >> PAGE_SHIFT;
--
GitLab
From 105840ebd76d8dbc1a7d734748ae320076f3201e Mon Sep 17 00:00:00 2001
From: Edward Liaw <edliaw@google.com>
Date: Thu, 21 Mar 2024 23:20:21 +0000
Subject: [PATCH 1671/2686] selftests/mm: sigbus-wp test requires
UFFD_FEATURE_WP_HUGETLBFS_SHMEM
The sigbus-wp test requires the UFFD_FEATURE_WP_HUGETLBFS_SHMEM flag for
shmem and hugetlb targets. Otherwise it is not backwards compatible with
kernels <5.19 and fails with EINVAL.
Link: https://lkml.kernel.org/r/20240321232023.2064975-1-edliaw@google.com
Fixes: 73c1ea939b65 ("selftests/mm: move uffd sig/events tests into uffd unit tests")
Signed-off-by: Edward Liaw <edliaw@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Peter Xu <peterx@redhat.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/testing/selftests/mm/uffd-unit-tests.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/mm/uffd-unit-tests.c b/tools/testing/selftests/mm/uffd-unit-tests.c
index 2b9f8cc52639d..536e09b03aee0 100644
--- a/tools/testing/selftests/mm/uffd-unit-tests.c
+++ b/tools/testing/selftests/mm/uffd-unit-tests.c
@@ -1427,7 +1427,8 @@ uffd_test_case_t uffd_tests[] = {
.uffd_fn = uffd_sigbus_wp_test,
.mem_targets = MEM_ALL,
.uffd_feature_required = UFFD_FEATURE_SIGBUS |
- UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_PAGEFAULT_FLAG_WP,
+ UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_PAGEFAULT_FLAG_WP |
+ UFFD_FEATURE_WP_HUGETLBFS_SHMEM,
},
{
.name = "events",
--
GitLab
From 0a69b6b3a026543bc215ccc866d0aea5579e6ce2 Mon Sep 17 00:00:00 2001
From: Carlos Maiolino <cem@kernel.org>
Date: Wed, 20 Mar 2024 13:39:59 +0100
Subject: [PATCH 1672/2686] tmpfs: fix race on handling dquot rbtree
A syzkaller reproducer found a race while attempting to remove dquot
information from the rb tree.
Fetching the rb_tree root node must also be protected by the
dqopt->dqio_sem, otherwise, giving the right timing, shmem_release_dquot()
will trigger a warning because it couldn't find a node in the tree, when
the real reason was the root node changing before the search starts:
Thread 1 Thread 2
- shmem_release_dquot() - shmem_{acquire,release}_dquot()
- fetch ROOT - Fetch ROOT
- acquire dqio_sem
- wait dqio_sem
- do something, triger a tree rebalance
- release dqio_sem
- acquire dqio_sem
- start searching for the node, but
from the wrong location, missing
the node, and triggering a warning.
Link: https://lkml.kernel.org/r/20240320124011.398847-1-cem@kernel.org
Fixes: eafc474e2029 ("shmem: prepare shmem quota infrastructure")
Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com>
Reported-by: Ubisectech Sirius <bugreport@ubisectech.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Hugh Dickins <hughd@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/shmem_quota.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/mm/shmem_quota.c b/mm/shmem_quota.c
index 062d1c1097ae3..ce514e700d2f6 100644
--- a/mm/shmem_quota.c
+++ b/mm/shmem_quota.c
@@ -116,7 +116,7 @@ static int shmem_free_file_info(struct super_block *sb, int type)
static int shmem_get_next_id(struct super_block *sb, struct kqid *qid)
{
struct mem_dqinfo *info = sb_dqinfo(sb, qid->type);
- struct rb_node *node = ((struct rb_root *)info->dqi_priv)->rb_node;
+ struct rb_node *node;
qid_t id = from_kqid(&init_user_ns, *qid);
struct quota_info *dqopt = sb_dqopt(sb);
struct quota_id *entry = NULL;
@@ -126,6 +126,7 @@ static int shmem_get_next_id(struct super_block *sb, struct kqid *qid)
return -ESRCH;
down_read(&dqopt->dqio_sem);
+ node = ((struct rb_root *)info->dqi_priv)->rb_node;
while (node) {
entry = rb_entry(node, struct quota_id, node);
@@ -165,7 +166,7 @@ static int shmem_get_next_id(struct super_block *sb, struct kqid *qid)
static int shmem_acquire_dquot(struct dquot *dquot)
{
struct mem_dqinfo *info = sb_dqinfo(dquot->dq_sb, dquot->dq_id.type);
- struct rb_node **n = &((struct rb_root *)info->dqi_priv)->rb_node;
+ struct rb_node **n;
struct shmem_sb_info *sbinfo = dquot->dq_sb->s_fs_info;
struct rb_node *parent = NULL, *new_node = NULL;
struct quota_id *new_entry, *entry;
@@ -176,6 +177,8 @@ static int shmem_acquire_dquot(struct dquot *dquot)
mutex_lock(&dquot->dq_lock);
down_write(&dqopt->dqio_sem);
+ n = &((struct rb_root *)info->dqi_priv)->rb_node;
+
while (*n) {
parent = *n;
entry = rb_entry(parent, struct quota_id, node);
@@ -264,7 +267,7 @@ static bool shmem_is_empty_dquot(struct dquot *dquot)
static int shmem_release_dquot(struct dquot *dquot)
{
struct mem_dqinfo *info = sb_dqinfo(dquot->dq_sb, dquot->dq_id.type);
- struct rb_node *node = ((struct rb_root *)info->dqi_priv)->rb_node;
+ struct rb_node *node;
qid_t id = from_kqid(&init_user_ns, dquot->dq_id);
struct quota_info *dqopt = sb_dqopt(dquot->dq_sb);
struct quota_id *entry = NULL;
@@ -275,6 +278,7 @@ static int shmem_release_dquot(struct dquot *dquot)
goto out_dqlock;
down_write(&dqopt->dqio_sem);
+ node = ((struct rb_root *)info->dqi_priv)->rb_node;
while (node) {
entry = rb_entry(node, struct quota_id, node);
--
GitLab
From 30af24facf0aed12dec23bdf6eac6a907f88306a Mon Sep 17 00:00:00 2001
From: Lokesh Gidra <lokeshgidra@google.com>
Date: Thu, 21 Mar 2024 16:58:18 -0700
Subject: [PATCH 1673/2686] userfaultfd: fix deadlock warning when locking src
and dst VMAs
Use down_read_nested() to avoid the warning.
Link: https://lkml.kernel.org/r/20240321235818.125118-1-lokeshgidra@google.com
Fixes: 867a43a34ff8 ("userfaultfd: use per-vma locks in userfaultfd operations")
Reported-by: syzbot+49056626fe41e01f2ba7@syzkaller.appspotmail.com
Signed-off-by: Lokesh Gidra <lokeshgidra@google.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Brian Geffon <bgeffon@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Jann Horn <jannh@google.com> [Bug #2]
Cc: Kalesh Singh <kaleshsingh@google.com>
Cc: Lokesh Gidra <lokeshgidra@google.com>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Nicolas Geoffray <ngeoffray@google.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/userfaultfd.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index 712160cd41eca..3c3539c573e7f 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -1444,7 +1444,8 @@ static int uffd_move_lock(struct mm_struct *mm,
*/
down_read(&(*dst_vmap)->vm_lock->lock);
if (*dst_vmap != *src_vmap)
- down_read(&(*src_vmap)->vm_lock->lock);
+ down_read_nested(&(*src_vmap)->vm_lock->lock,
+ SINGLE_DEPTH_NESTING);
}
mmap_read_unlock(mm);
return err;
--
GitLab
From 549aa9678a0b3981d4821bf244579d9937650562 Mon Sep 17 00:00:00 2001
From: Nathan Chancellor <nathan@kernel.org>
Date: Tue, 19 Mar 2024 17:37:46 -0700
Subject: [PATCH 1674/2686] hexagon: vmlinux.lds.S: handle attributes section
After the linked LLVM change, the build fails with
CONFIG_LD_ORPHAN_WARN_LEVEL="error", which happens with allmodconfig:
ld.lld: error: vmlinux.a(init/main.o):(.hexagon.attributes) is being placed in '.hexagon.attributes'
Handle the attributes section in a similar manner as arm and riscv by
adding it after the primary ELF_DETAILS grouping in vmlinux.lds.S, which
fixes the error.
Link: https://lkml.kernel.org/r/20240319-hexagon-handle-attributes-section-vmlinux-lds-s-v1-1-59855dab8872@kernel.org
Fixes: 113616ec5b64 ("hexagon: select ARCH_WANT_LD_ORPHAN_WARN")
Link: https://github.com/llvm/llvm-project/commit/31f4b329c8234fab9afa59494d7f8bdaeaefeaad
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Cc: Bill Wendling <morbo@google.com>
Cc: Justin Stitt <justinstitt@google.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/hexagon/kernel/vmlinux.lds.S | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/hexagon/kernel/vmlinux.lds.S b/arch/hexagon/kernel/vmlinux.lds.S
index 1140051a0c455..1150b77fa281c 100644
--- a/arch/hexagon/kernel/vmlinux.lds.S
+++ b/arch/hexagon/kernel/vmlinux.lds.S
@@ -63,6 +63,7 @@ SECTIONS
STABS_DEBUG
DWARF_DEBUG
ELF_DETAILS
+ .hexagon.attributes 0 : { *(.hexagon.attributes) }
DISCARDS
}
--
GitLab
From 8c864371b2a15a23ce35aa7e2bd241baaad6fbe8 Mon Sep 17 00:00:00 2001
From: Edward Liaw <edliaw@google.com>
Date: Mon, 25 Mar 2024 19:40:52 +0000
Subject: [PATCH 1675/2686] selftests/mm: fix ARM related issue with fork after
pthread_create
Following issue was observed while running the uffd-unit-tests selftest
on ARM devices. On x86_64 no issues were detected:
pthread_create followed by fork caused deadlock in certain cases wherein
fork required some work to be completed by the created thread. Used
synchronization to ensure that created thread's start function has started
before invoking fork.
[edliaw@google.com: refactored to use atomic_bool]
Link: https://lkml.kernel.org/r/20240325194100.775052-1-edliaw@google.com
Fixes: 760aee0b71e3 ("selftests/mm: add tests for RO pinning vs fork()")
Signed-off-by: Lokesh Gidra <lokeshgidra@google.com>
Signed-off-by: Edward Liaw <edliaw@google.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/testing/selftests/mm/uffd-common.c | 3 +++
tools/testing/selftests/mm/uffd-common.h | 2 ++
tools/testing/selftests/mm/uffd-unit-tests.c | 10 ++++++++++
3 files changed, 15 insertions(+)
diff --git a/tools/testing/selftests/mm/uffd-common.c b/tools/testing/selftests/mm/uffd-common.c
index b0ac0ec2356d6..7ad6ba660c7d6 100644
--- a/tools/testing/selftests/mm/uffd-common.c
+++ b/tools/testing/selftests/mm/uffd-common.c
@@ -18,6 +18,7 @@ bool test_uffdio_wp = true;
unsigned long long *count_verify;
uffd_test_ops_t *uffd_test_ops;
uffd_test_case_ops_t *uffd_test_case_ops;
+atomic_bool ready_for_fork;
static int uffd_mem_fd_create(off_t mem_size, bool hugetlb)
{
@@ -518,6 +519,8 @@ void *uffd_poll_thread(void *arg)
pollfd[1].fd = pipefd[cpu*2];
pollfd[1].events = POLLIN;
+ ready_for_fork = true;
+
for (;;) {
ret = poll(pollfd, 2, -1);
if (ret <= 0) {
diff --git a/tools/testing/selftests/mm/uffd-common.h b/tools/testing/selftests/mm/uffd-common.h
index cb055282c89c9..cc5629c3d2aa1 100644
--- a/tools/testing/selftests/mm/uffd-common.h
+++ b/tools/testing/selftests/mm/uffd-common.h
@@ -32,6 +32,7 @@
#include <inttypes.h>
#include <stdint.h>
#include <sys/random.h>
+#include <stdatomic.h>
#include "../kselftest.h"
#include "vm_util.h"
@@ -103,6 +104,7 @@ extern bool map_shared;
extern bool test_uffdio_wp;
extern unsigned long long *count_verify;
extern volatile bool test_uffdio_copy_eexist;
+extern atomic_bool ready_for_fork;
extern uffd_test_ops_t anon_uffd_test_ops;
extern uffd_test_ops_t shmem_uffd_test_ops;
diff --git a/tools/testing/selftests/mm/uffd-unit-tests.c b/tools/testing/selftests/mm/uffd-unit-tests.c
index 536e09b03aee0..21ec23206ab44 100644
--- a/tools/testing/selftests/mm/uffd-unit-tests.c
+++ b/tools/testing/selftests/mm/uffd-unit-tests.c
@@ -775,6 +775,8 @@ static void uffd_sigbus_test_common(bool wp)
char c;
struct uffd_args args = { 0 };
+ ready_for_fork = false;
+
fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK);
if (uffd_register(uffd, area_dst, nr_pages * page_size,
@@ -790,6 +792,9 @@ static void uffd_sigbus_test_common(bool wp)
if (pthread_create(&uffd_mon, NULL, uffd_poll_thread, &args))
err("uffd_poll_thread create");
+ while (!ready_for_fork)
+ ; /* Wait for the poll_thread to start executing before forking */
+
pid = fork();
if (pid < 0)
err("fork");
@@ -829,6 +834,8 @@ static void uffd_events_test_common(bool wp)
char c;
struct uffd_args args = { 0 };
+ ready_for_fork = false;
+
fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK);
if (uffd_register(uffd, area_dst, nr_pages * page_size,
true, wp, false))
@@ -838,6 +845,9 @@ static void uffd_events_test_common(bool wp)
if (pthread_create(&uffd_mon, NULL, uffd_poll_thread, &args))
err("uffd_poll_thread create");
+ while (!ready_for_fork)
+ ; /* Wait for the poll_thread to start executing before forking */
+
pid = fork();
if (pid < 0)
err("fork");
--
GitLab
From 25cd241408a2adc1ed0ebc90ae0793576c111880 Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@cmpxchg.org>
Date: Sun, 24 Mar 2024 17:04:47 -0400
Subject: [PATCH 1676/2686] mm: zswap: fix data loss on SWP_SYNCHRONOUS_IO
devices
Zhongkun He reports data corruption when combining zswap with zram.
The issue is the exclusive loads we're doing in zswap. They assume
that all reads are going into the swapcache, which can assume
authoritative ownership of the data and so the zswap copy can go.
However, zram files are marked SWP_SYNCHRONOUS_IO, and faults will try to
bypass the swapcache. This results in an optimistic read of the swap data
into a page that will be dismissed if the fault fails due to races. In
this case, zswap mustn't drop its authoritative copy.
Link: https://lore.kernel.org/all/CACSyD1N+dUvsu8=zV9P691B9bVq33erwOXNTmEaUbi9DrDeJzw@mail.gmail.com/
Fixes: b9c91c43412f ("mm: zswap: support exclusive loads")
Link: https://lkml.kernel.org/r/20240324210447.956973-1-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reported-by: Zhongkun He <hezhongkun.hzk@bytedance.com>
Tested-by: Zhongkun He <hezhongkun.hzk@bytedance.com>
Acked-by: Yosry Ahmed <yosryahmed@google.com>
Acked-by: Barry Song <baohua@kernel.org>
Reviewed-by: Chengming Zhou <chengming.zhou@linux.dev>
Reviewed-by: Nhat Pham <nphamcs@gmail.com>
Acked-by: Chris Li <chrisl@kernel.org>
Cc: <stable@vger.kernel.org> [6.5+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/zswap.c | 23 +++++++++++++++++++----
1 file changed, 19 insertions(+), 4 deletions(-)
diff --git a/mm/zswap.c b/mm/zswap.c
index 36612f34b5d72..caed028945b04 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -1636,6 +1636,7 @@ bool zswap_load(struct folio *folio)
swp_entry_t swp = folio->swap;
pgoff_t offset = swp_offset(swp);
struct page *page = &folio->page;
+ bool swapcache = folio_test_swapcache(folio);
struct zswap_tree *tree = swap_zswap_tree(swp);
struct zswap_entry *entry;
u8 *dst;
@@ -1648,7 +1649,20 @@ bool zswap_load(struct folio *folio)
spin_unlock(&tree->lock);
return false;
}
- zswap_rb_erase(&tree->rbroot, entry);
+ /*
+ * When reading into the swapcache, invalidate our entry. The
+ * swapcache can be the authoritative owner of the page and
+ * its mappings, and the pressure that results from having two
+ * in-memory copies outweighs any benefits of caching the
+ * compression work.
+ *
+ * (Most swapins go through the swapcache. The notable
+ * exception is the singleton fault on SWP_SYNCHRONOUS_IO
+ * files, which reads into a private page and may free it if
+ * the fault fails. We remain the primary owner of the entry.)
+ */
+ if (swapcache)
+ zswap_rb_erase(&tree->rbroot, entry);
spin_unlock(&tree->lock);
if (entry->length)
@@ -1663,9 +1677,10 @@ bool zswap_load(struct folio *folio)
if (entry->objcg)
count_objcg_event(entry->objcg, ZSWPIN);
- zswap_entry_free(entry);
-
- folio_mark_dirty(folio);
+ if (swapcache) {
+ zswap_entry_free(entry);
+ folio_mark_dirty(folio);
+ }
return true;
}
--
GitLab
From 32fbe5246582af4f611ccccee33fd6e559087252 Mon Sep 17 00:00:00 2001
From: Baoquan He <bhe@redhat.com>
Date: Mon, 25 Mar 2024 09:50:50 +0800
Subject: [PATCH 1677/2686] crash: use macro to add crashk_res into iomem early
for specific arch
There are regression reports[1][2] that crashkernel region on x86_64 can't
be added into iomem tree sometime. This causes the later failure of kdump
loading.
This happened after commit 4a693ce65b18 ("kdump: defer the insertion of
crashkernel resources") was merged.
Even though, these reported issues are proved to be related to other
component, they are just exposed after above commmit applied, I still
would like to keep crashk_res and crashk_low_res being added into iomem
early as before because the early adding has been always there on x86_64
and working very well. For safety of kdump, Let's change it back.
Here, add a macro HAVE_ARCH_ADD_CRASH_RES_TO_IOMEM_EARLY to limit that
only ARCH defining the macro can have the early adding
crashk_res/_low_res into iomem. Then define
HAVE_ARCH_ADD_CRASH_RES_TO_IOMEM_EARLY on x86 to enable it.
Note: In reserve_crashkernel_low(), there's a remnant of crashk_low_res
handling which was mistakenly added back in commit 85fcde402db1 ("kexec:
split crashkernel reservation code out from crash_core.c").
[1]
[PATCH V2] x86/kexec: do not update E820 kexec table for setup_data
https://lore.kernel.org/all/Zfv8iCL6CT2JqLIC@darkstar.users.ipa.redhat.com/T/#u
[2]
Question about Address Range Validation in Crash Kernel Allocation
https://lore.kernel.org/all/4eeac1f733584855965a2ea62fa4da58@huawei.com/T/#u
Link: https://lkml.kernel.org/r/ZgDYemRQ2jxjLkq+@MiWiFi-R3L-srv
Fixes: 4a693ce65b18 ("kdump: defer the insertion of crashkernel resources")
Signed-off-by: Baoquan He <bhe@redhat.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: Huacai Chen <chenhuacai@loongson.cn>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Bohac <jbohac@suse.cz>
Cc: Li Huafei <lihuafei1@huawei.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/x86/include/asm/crash_reserve.h | 2 ++
kernel/crash_reserve.c | 7 +++++++
2 files changed, 9 insertions(+)
diff --git a/arch/x86/include/asm/crash_reserve.h b/arch/x86/include/asm/crash_reserve.h
index 152239f955419..7835b2cdff04a 100644
--- a/arch/x86/include/asm/crash_reserve.h
+++ b/arch/x86/include/asm/crash_reserve.h
@@ -39,4 +39,6 @@ static inline unsigned long crash_low_size_default(void)
#endif
}
+#define HAVE_ARCH_ADD_CRASH_RES_TO_IOMEM_EARLY
+
#endif /* _X86_CRASH_RESERVE_H */
diff --git a/kernel/crash_reserve.c b/kernel/crash_reserve.c
index bbb6c3cb00e46..066668799f757 100644
--- a/kernel/crash_reserve.c
+++ b/kernel/crash_reserve.c
@@ -366,7 +366,9 @@ static int __init reserve_crashkernel_low(unsigned long long low_size)
crashk_low_res.start = low_base;
crashk_low_res.end = low_base + low_size - 1;
+#ifdef HAVE_ARCH_ADD_CRASH_RES_TO_IOMEM_EARLY
insert_resource(&iomem_resource, &crashk_low_res);
+#endif
#endif
return 0;
}
@@ -448,8 +450,12 @@ void __init reserve_crashkernel_generic(char *cmdline,
crashk_res.start = crash_base;
crashk_res.end = crash_base + crash_size - 1;
+#ifdef HAVE_ARCH_ADD_CRASH_RES_TO_IOMEM_EARLY
+ insert_resource(&iomem_resource, &crashk_res);
+#endif
}
+#ifndef HAVE_ARCH_ADD_CRASH_RES_TO_IOMEM_EARLY
static __init int insert_crashkernel_resources(void)
{
if (crashk_res.start < crashk_res.end)
@@ -462,3 +468,4 @@ static __init int insert_crashkernel_resources(void)
}
early_initcall(insert_crashkernel_resources);
#endif
+#endif
--
GitLab
From b7c59b038c656214f56432867056997c2e0fc268 Mon Sep 17 00:00:00 2001
From: Yuquan Wang <wangyuquan1236@phytium.com.cn>
Date: Mon, 18 Mar 2024 10:29:28 +0800
Subject: [PATCH 1678/2686] cxl/mem: Fix for the index of Clear Event Record
Handle
The dev_dbg info for Clear Event Records mailbox command would report
the handle of the next record to clear not the current one.
This was because the index 'i' had incremented before printing the
current handle value.
Fixes: 6ebe28f9ec72 ("cxl/mem: Read, trace, and clear events on driver load")
Signed-off-by: Yuquan Wang <wangyuquan1236@phytium.com.cn>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
drivers/cxl/core/mbox.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c
index 9adda4795eb78..50146161887d5 100644
--- a/drivers/cxl/core/mbox.c
+++ b/drivers/cxl/core/mbox.c
@@ -915,7 +915,7 @@ static int cxl_clear_event_record(struct cxl_memdev_state *mds,
payload->handles[i++] = gen->hdr.handle;
dev_dbg(mds->cxlds.dev, "Event log '%d': Clearing %u\n", log,
- le16_to_cpu(payload->handles[i]));
+ le16_to_cpu(payload->handles[i - 1]));
if (i == max_handles) {
payload->nr_recs = i;
--
GitLab
From 5c88a9ccd4c431d58b532e4158b6999a8350062c Mon Sep 17 00:00:00 2001
From: Dave Jiang <dave.jiang@intel.com>
Date: Tue, 19 Mar 2024 11:15:08 -0700
Subject: [PATCH 1679/2686] cxl/core/regs: Fix usage of map->reg_type in
cxl_decode_regblock() before assigned
In the error path, map->reg_type is being used for kernel warning
before its value is setup. Found by code inspection. Exposure to
user is wrong reg_type being emitted via kernel log. Use a local
var for reg_type and retrieve value for usage.
Fixes: 6c7f4f1e51c2 ("cxl/core/regs: Make cxl_map_{component, device}_regs() device generic")
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
drivers/cxl/core/regs.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/cxl/core/regs.c b/drivers/cxl/core/regs.c
index 372786f809555..3c42f984eeafa 100644
--- a/drivers/cxl/core/regs.c
+++ b/drivers/cxl/core/regs.c
@@ -271,6 +271,7 @@ EXPORT_SYMBOL_NS_GPL(cxl_map_device_regs, CXL);
static bool cxl_decode_regblock(struct pci_dev *pdev, u32 reg_lo, u32 reg_hi,
struct cxl_register_map *map)
{
+ u8 reg_type = FIELD_GET(CXL_DVSEC_REG_LOCATOR_BLOCK_ID_MASK, reg_lo);
int bar = FIELD_GET(CXL_DVSEC_REG_LOCATOR_BIR_MASK, reg_lo);
u64 offset = ((u64)reg_hi << 32) |
(reg_lo & CXL_DVSEC_REG_LOCATOR_BLOCK_OFF_LOW_MASK);
@@ -278,11 +279,11 @@ static bool cxl_decode_regblock(struct pci_dev *pdev, u32 reg_lo, u32 reg_hi,
if (offset > pci_resource_len(pdev, bar)) {
dev_warn(&pdev->dev,
"BAR%d: %pr: too small (offset: %pa, type: %d)\n", bar,
- &pdev->resource[bar], &offset, map->reg_type);
+ &pdev->resource[bar], &offset, reg_type);
return false;
}
- map->reg_type = FIELD_GET(CXL_DVSEC_REG_LOCATOR_BLOCK_ID_MASK, reg_lo);
+ map->reg_type = reg_type;
map->resource = pci_resource_start(pdev, bar) + offset;
map->max_size = pci_resource_len(pdev, bar) - offset;
return true;
--
GitLab
From e9e9fbeb83f65d3d487e0a0838c0867292c99fb2 Mon Sep 17 00:00:00 2001
From: Steve French <stfrench@microsoft.com>
Date: Sun, 24 Mar 2024 00:01:02 -0500
Subject: [PATCH 1680/2686] smb3: add trace event for mknod
Add trace points to help debug mknod and mkfifo:
smb3_mknod_done
smb3_mknod_enter
smb3_mknod_err
Example output:
TASK-PID CPU# ||||| TIMESTAMP FUNCTION
| | | ||||| | |
mkfifo-6163 [003] ..... 960.425558: smb3_mknod_enter: xid=12 sid=0xb55130f6 tid=0x46e6241c path=\fifo1
mkfifo-6163 [003] ..... 960.432719: smb3_mknod_done: xid=12 sid=0xb55130f6 tid=0x46e6241c
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Reviewed-by: Meetakshi Setiya <msetiya@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/dir.c | 7 +++++++
fs/smb/client/trace.h | 4 +++-
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/fs/smb/client/dir.c b/fs/smb/client/dir.c
index 89333d9bce36e..d11dc3aa458ba 100644
--- a/fs/smb/client/dir.c
+++ b/fs/smb/client/dir.c
@@ -612,11 +612,18 @@ int cifs_mknod(struct mnt_idmap *idmap, struct inode *inode,
goto mknod_out;
}
+ trace_smb3_mknod_enter(xid, tcon->ses->Suid, tcon->tid, full_path);
+
rc = tcon->ses->server->ops->make_node(xid, inode, direntry, tcon,
full_path, mode,
device_number);
mknod_out:
+ if (rc)
+ trace_smb3_mknod_err(xid, tcon->ses->Suid, tcon->tid, rc);
+ else
+ trace_smb3_mknod_done(xid, tcon->ses->Suid, tcon->tid);
+
free_dentry_path(page);
free_xid(xid);
cifs_put_tlink(tlink);
diff --git a/fs/smb/client/trace.h b/fs/smb/client/trace.h
index f9c1fd32d0b8c..5e83cb9da9028 100644
--- a/fs/smb/client/trace.h
+++ b/fs/smb/client/trace.h
@@ -375,6 +375,7 @@ DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(get_reparse_compound_enter);
DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(delete_enter);
DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(mkdir_enter);
DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(tdis_enter);
+DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(mknod_enter);
DECLARE_EVENT_CLASS(smb3_inf_compound_done_class,
TP_PROTO(unsigned int xid,
@@ -415,7 +416,7 @@ DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(query_wsl_ea_compound_done);
DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(delete_done);
DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(mkdir_done);
DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(tdis_done);
-
+DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(mknod_done);
DECLARE_EVENT_CLASS(smb3_inf_compound_err_class,
TP_PROTO(unsigned int xid,
@@ -461,6 +462,7 @@ DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(query_wsl_ea_compound_err);
DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(mkdir_err);
DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(delete_err);
DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(tdis_err);
+DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(mknod_err);
/*
* For logging SMB3 Status code and Command for responses which return errors
--
GitLab
From 0462c56c290a99a7f03e817ae5b843116dfb575c Mon Sep 17 00:00:00 2001
From: Herve Codina <herve.codina@bootlin.com>
Date: Mon, 25 Mar 2024 16:21:25 +0100
Subject: [PATCH 1681/2686] driver core: Introduce device_link_wait_removal()
The commit 80dd33cf72d1 ("drivers: base: Fix device link removal")
introduces a workqueue to release the consumer and supplier devices used
in the devlink.
In the job queued, devices are release and in turn, when all the
references to these devices are dropped, the release function of the
device itself is called.
Nothing is present to provide some synchronisation with this workqueue
in order to ensure that all ongoing releasing operations are done and
so, some other operations can be started safely.
For instance, in the following sequence:
1) of_platform_depopulate()
2) of_overlay_remove()
During the step 1, devices are released and related devlinks are removed
(jobs pushed in the workqueue).
During the step 2, OF nodes are destroyed but, without any
synchronisation with devlink removal jobs, of_overlay_remove() can raise
warnings related to missing of_node_put():
ERROR: memory leak, expected refcount 1 instead of 2
Indeed, the missing of_node_put() call is going to be done, too late,
from the workqueue job execution.
Introduce device_link_wait_removal() to offer a way to synchronize
operations waiting for the end of devlink removals (i.e. end of
workqueue jobs).
Also, as a flushing operation is done on the workqueue, the workqueue
used is moved from a system-wide workqueue to a local one.
Cc: stable@vger.kernel.org
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Tested-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Saravana Kannan <saravanak@google.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240325152140.198219-2-herve.codina@bootlin.com
Signed-off-by: Rob Herring <robh@kernel.org>
---
drivers/base/core.c | 26 +++++++++++++++++++++++---
include/linux/device.h | 1 +
2 files changed, 24 insertions(+), 3 deletions(-)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index b93f3c5716aee..5f4e03336e68e 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -44,6 +44,7 @@ static bool fw_devlink_is_permissive(void);
static void __fw_devlink_link_to_consumers(struct device *dev);
static bool fw_devlink_drv_reg_done;
static bool fw_devlink_best_effort;
+static struct workqueue_struct *device_link_wq;
/**
* __fwnode_link_add - Create a link between two fwnode_handles.
@@ -533,12 +534,26 @@ static void devlink_dev_release(struct device *dev)
/*
* It may take a while to complete this work because of the SRCU
* synchronization in device_link_release_fn() and if the consumer or
- * supplier devices get deleted when it runs, so put it into the "long"
- * workqueue.
+ * supplier devices get deleted when it runs, so put it into the
+ * dedicated workqueue.
*/
- queue_work(system_long_wq, &link->rm_work);
+ queue_work(device_link_wq, &link->rm_work);
}
+/**
+ * device_link_wait_removal - Wait for ongoing devlink removal jobs to terminate
+ */
+void device_link_wait_removal(void)
+{
+ /*
+ * devlink removal jobs are queued in the dedicated work queue.
+ * To be sure that all removal jobs are terminated, ensure that any
+ * scheduled work has run to completion.
+ */
+ flush_workqueue(device_link_wq);
+}
+EXPORT_SYMBOL_GPL(device_link_wait_removal);
+
static struct class devlink_class = {
.name = "devlink",
.dev_groups = devlink_groups,
@@ -4164,9 +4179,14 @@ int __init devices_init(void)
sysfs_dev_char_kobj = kobject_create_and_add("char", dev_kobj);
if (!sysfs_dev_char_kobj)
goto char_kobj_err;
+ device_link_wq = alloc_workqueue("device_link_wq", 0, 0);
+ if (!device_link_wq)
+ goto wq_err;
return 0;
+ wq_err:
+ kobject_put(sysfs_dev_char_kobj);
char_kobj_err:
kobject_put(sysfs_dev_block_kobj);
block_kobj_err:
diff --git a/include/linux/device.h b/include/linux/device.h
index 97c4b046c09d9..b9f5464f44ed8 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1247,6 +1247,7 @@ void device_link_del(struct device_link *link);
void device_link_remove(void *consumer, struct device *supplier);
void device_links_supplier_sync_state_pause(void);
void device_links_supplier_sync_state_resume(void);
+void device_link_wait_removal(void);
/* Create alias, so I can be autoloaded. */
#define MODULE_ALIAS_CHARDEV(major,minor) \
--
GitLab
From 8917e7385346bd6584890ed362985c219fe6ae84 Mon Sep 17 00:00:00 2001
From: Herve Codina <herve.codina@bootlin.com>
Date: Mon, 25 Mar 2024 16:21:26 +0100
Subject: [PATCH 1682/2686] of: dynamic: Synchronize of_changeset_destroy()
with the devlink removals
In the following sequence:
1) of_platform_depopulate()
2) of_overlay_remove()
During the step 1, devices are destroyed and devlinks are removed.
During the step 2, OF nodes are destroyed but
__of_changeset_entry_destroy() can raise warnings related to missing
of_node_put():
ERROR: memory leak, expected refcount 1 instead of 2 ...
Indeed, during the devlink removals performed at step 1, the removal
itself releasing the device (and the attached of_node) is done by a job
queued in a workqueue and so, it is done asynchronously with respect to
function calls.
When the warning is present, of_node_put() will be called but wrongly
too late from the workqueue job.
In order to be sure that any ongoing devlink removals are done before
the of_node destruction, synchronize the of_changeset_destroy() with the
devlink removals.
Fixes: 80dd33cf72d1 ("drivers: base: Fix device link removal")
Cc: stable@vger.kernel.org
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Saravana Kannan <saravanak@google.com>
Tested-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240325152140.198219-3-herve.codina@bootlin.com
Signed-off-by: Rob Herring <robh@kernel.org>
---
drivers/of/dynamic.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index 3bf27052832f3..4d57a4e341054 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -9,6 +9,7 @@
#define pr_fmt(fmt) "OF: " fmt
+#include <linux/device.h>
#include <linux/of.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
@@ -667,6 +668,17 @@ void of_changeset_destroy(struct of_changeset *ocs)
{
struct of_changeset_entry *ce, *cen;
+ /*
+ * When a device is deleted, the device links to/from it are also queued
+ * for deletion. Until these device links are freed, the devices
+ * themselves aren't freed. If the device being deleted is due to an
+ * overlay change, this device might be holding a reference to a device
+ * node that will be freed. So, wait until all already pending device
+ * links are deleted before freeing a device node. This ensures we don't
+ * free any device node that has a non-zero reference count.
+ */
+ device_link_wait_removal();
+
list_for_each_entry_safe_reverse(ce, cen, &ocs->entries, node)
__of_changeset_entry_destroy(ce);
}
--
GitLab
From a6b227d70d2ad9eb08adc3fe532ebb7ec88ac897 Mon Sep 17 00:00:00 2001
From: Yazen Ghannam <yazen.ghannam@amd.com>
Date: Tue, 26 Mar 2024 20:32:52 +0000
Subject: [PATCH 1683/2686] RAS: Avoid build errors when CONFIG_DEBUG_FS=n
A new helper was introduced for RAS modules to be able to get the RAS
subsystem debugfs root directory. The helper is defined in debugfs.c
which is only built when CONFIG_DEBUG_FS=y.
However, it's possible that the modules would include debugfs support
for optional functionality. One current example is the fmpm module. In
this case, a build error will occur when CONFIG_RAS_FMPM is selected and
CONFIG_DEBUG_FS=n.
Add an inline helper function stub for the CONFIG_DEBUG_FS=n case as the
fmpm module can function without the debugfs functionality too.
Fixes: 9d2b6fa09d15 ("RAS: Export helper to get ras_debugfs_dir")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218640
Reported-by: anthony s. knowles <akira.2020@protonmail.com>
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: anthony s. knowles <akira.2020@protonmail.com>
Link: https://lore.kernel.org/r/20240325183755.776-1-bp@alien8.de
---
drivers/ras/debugfs.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/ras/debugfs.h b/drivers/ras/debugfs.h
index 4749ccdeeba12..5a2f48439258c 100644
--- a/drivers/ras/debugfs.h
+++ b/drivers/ras/debugfs.h
@@ -4,6 +4,10 @@
#include <linux/debugfs.h>
+#if IS_ENABLED(CONFIG_DEBUG_FS)
struct dentry *ras_get_debugfs_root(void);
+#else
+static inline struct dentry *ras_get_debugfs_root(void) { return NULL; }
+#endif /* DEBUG_FS */
#endif /* __RAS_DEBUGFS_H__ */
--
GitLab
From ad14f7ca9f0d9fdf73d1fd61aaf8248d46ffc849 Mon Sep 17 00:00:00 2001
From: Vladimir Isaev <vladimir.isaev@syntacore.com>
Date: Wed, 13 Mar 2024 10:35:46 +0300
Subject: [PATCH 1684/2686] riscv: hwprobe: do not produce frtace relocation
Such relocation causes crash of android linker similar to one
described in commit e05d57dcb8c7
("riscv: Fixup __vdso_gettimeofday broke dynamic ftrace").
Looks like this relocation is added by CONFIG_DYNAMIC_FTRACE which is
disabled in the default android kernel.
Before:
readelf -rW arch/riscv/kernel/vdso/vdso.so:
Relocation section '.rela.dyn' at offset 0xd00 contains 1 entry:
Offset Info Type
0000000000000d20 0000000000000003 R_RISCV_RELATIVE
objdump:
0000000000000c86 <__vdso_riscv_hwprobe@@LINUX_4.15>:
c86: 0001 nop
c88: 0001 nop
c8a: 0001 nop
c8c: 0001 nop
c8e: e211 bnez a2,c92 <__vdso_riscv_hwprobe...
After:
readelf -rW arch/riscv/kernel/vdso/vdso.so:
There are no relocations in this file.
objdump:
0000000000000c86 <__vdso_riscv_hwprobe@@LINUX_4.15>:
c86: e211 bnez a2,c8a <__vdso_riscv_hwprobe...
c88: c6b9 beqz a3,cd6 <__vdso_riscv_hwprobe...
c8a: e739 bnez a4,cd8 <__vdso_riscv_hwprobe...
c8c: ffffd797 auipc a5,0xffffd
Also disable SCS since it also should not be available in vdso.
Fixes: aa5af0aa90ba ("RISC-V: Add hwprobe vDSO function and data")
Signed-off-by: Roman Artemev <roman.artemev@syntacore.com>
Signed-off-by: Vladimir Isaev <vladimir.isaev@syntacore.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20240313085843.17661-1-vladimir.isaev@syntacore.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/kernel/vdso/Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile
index 9b517fe1b8a8e..272c431ac5b9f 100644
--- a/arch/riscv/kernel/vdso/Makefile
+++ b/arch/riscv/kernel/vdso/Makefile
@@ -37,6 +37,7 @@ endif
# Disable -pg to prevent insert call site
CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS)
+CFLAGS_REMOVE_hwprobe.o = $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS)
# Disable profiling and instrumentation for VDSO code
GCOV_PROFILE := n
--
GitLab
From 4b0bf9a0127029054c2fa18ba5b3f3ddc45f54ed Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Fri, 17 Nov 2023 21:58:07 +0900
Subject: [PATCH 1685/2686] riscv: compat_vdso: install compat_vdso.so.dbg to
/lib/modules/*/vdso/
'make vdso_install' installs debug vdso files to /lib/modules/*/vdso/.
Only for the compat vdso on riscv, the installation destination differs;
compat_vdso.so.dbg is installed to /lib/module/*/compat_vdso/.
To follow the standard install destination and simplify the vdso_install
logic, change the install destination to standard /lib/modules/*/vdso/.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20231117125807.1058477-1-masahiroy@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 252d63942f34e..5b3115a198522 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -151,7 +151,7 @@ endif
endif
vdso-install-y += arch/riscv/kernel/vdso/vdso.so.dbg
-vdso-install-$(CONFIG_COMPAT) += arch/riscv/kernel/compat_vdso/compat_vdso.so.dbg:../compat_vdso/compat_vdso.so
+vdso-install-$(CONFIG_COMPAT) += arch/riscv/kernel/compat_vdso/compat_vdso.so.dbg
ifneq ($(CONFIG_XIP_KERNEL),y)
ifeq ($(CONFIG_RISCV_M_MODE)$(CONFIG_ARCH_CANAAN),yy)
--
GitLab
From ea6873118493019474abbf57d5a800da365734df Mon Sep 17 00:00:00 2001
From: Pu Lehui <pulehui@huawei.com>
Date: Tue, 12 Mar 2024 01:20:53 +0000
Subject: [PATCH 1686/2686] drivers/perf: riscv: Disable PERF_SAMPLE_BRANCH_*
while not supported
RISC-V perf driver does not yet support branch sampling. Although the
specification is in the works [0], it is best to disable such events
until support is available, otherwise we will get unexpected results.
Due to this reason, two riscv bpf testcases get_branch_snapshot and
perf_branches/perf_branches_hw fail.
Link: https://github.com/riscv/riscv-control-transfer-records [0]
Fixes: f5bfa23f576f ("RISC-V: Add a perf core library for pmu drivers")
Signed-off-by: Pu Lehui <pulehui@huawei.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240312012053.1178140-1-pulehui@huaweicloud.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
drivers/perf/riscv_pmu.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/perf/riscv_pmu.c b/drivers/perf/riscv_pmu.c
index c78a6fd6c57f6..b4efdddb2ad91 100644
--- a/drivers/perf/riscv_pmu.c
+++ b/drivers/perf/riscv_pmu.c
@@ -313,6 +313,10 @@ static int riscv_pmu_event_init(struct perf_event *event)
u64 event_config = 0;
uint64_t cmask;
+ /* driver does not support branch stack sampling */
+ if (has_branch_stack(event))
+ return -EOPNOTSUPP;
+
hwc->flags = 0;
mapped_event = rvpmu->event_map(event, &event_config);
if (mapped_event < 0) {
--
GitLab
From 653650c468be211752aa56eae79af1ae67c5e70c Mon Sep 17 00:00:00 2001
From: Sami Tolvanen <samitolvanen@google.com>
Date: Tue, 26 Mar 2024 15:37:13 +0000
Subject: [PATCH 1687/2686] riscv: Mark __se_sys_* functions __used
Clang doesn't think ___se_sys_* functions used even though they are
aliased to __se_sys_*, resulting in -Wunused-function warnings when
building rv32. For example:
mm/oom_kill.c:1195:1: warning: unused function '___se_sys_process_mrelease' [-Wunused-function]
1195 | SYSCALL_DEFINE2(process_mrelease, int, pidfd, unsigned int, flags)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:221:36: note: expanded from macro 'SYSCALL_DEFINE2'
221 | #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:231:2: note: expanded from macro 'SYSCALL_DEFINEx'
231 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:81:2: note: expanded from macro '__SYSCALL_DEFINEx'
81 | __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/syscall_wrapper.h:40:14: note: expanded from macro '__SYSCALL_SE_DEFINEx'
40 | static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
| ^~~~~~~~~~~~~~~~~~~~
<scratch space>:30:1: note: expanded from here
30 | ___se_sys_process_mrelease
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
Mark the functions __used explicitly to fix the Clang warnings.
Fixes: a9ad73295cc1 ("riscv: Fix syscall wrapper for >word-size arguments")
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Tested-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240326153712.1839482-2-samitolvanen@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/syscall_wrapper.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/include/asm/syscall_wrapper.h b/arch/riscv/include/asm/syscall_wrapper.h
index 980094c2e9761..ac80216549ffa 100644
--- a/arch/riscv/include/asm/syscall_wrapper.h
+++ b/arch/riscv/include/asm/syscall_wrapper.h
@@ -36,7 +36,8 @@ asmlinkage long __riscv_sys_ni_syscall(const struct pt_regs *);
ulong) \
__attribute__((alias(__stringify(___se_##prefix##name)))); \
__diag_pop(); \
- static long noinline ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
+ static long noinline ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
+ __used; \
static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__))
#define SC_RISCV_REGS_TO_ARGS(x, ...) \
--
GitLab
From 7608a971fdeb4c3eefa522d1bfe8d4bc6b2481cc Mon Sep 17 00:00:00 2001
From: Sabrina Dubroca <sd@queasysnail.net>
Date: Mon, 25 Mar 2024 16:56:45 +0100
Subject: [PATCH 1688/2686] tls: recv: process_rx_list shouldn't use an offset
with kvec
Only MSG_PEEK needs to copy from an offset during the final
process_rx_list call, because the bytes we copied at the beginning of
tls_sw_recvmsg were left on the rx_list. In the KVEC case, we removed
data from the rx_list as we were copying it, so there's no need to use
an offset, just like in the normal case.
Fixes: 692d7b5d1f91 ("tls: Fix recvmsg() to be able to peek across multiple records")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/e5487514f828e0347d2b92ca40002c62b58af73d.1711120964.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/tls/tls_sw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 211f57164cb61..3cdc6bc9fba69 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -2152,7 +2152,7 @@ int tls_sw_recvmsg(struct sock *sk,
}
/* Drain records from the rx_list & copy if required */
- if (is_peek || is_kvec)
+ if (is_peek)
err = process_rx_list(ctx, msg, &control, copied + peeked,
decrypted - peeked, is_peek, NULL);
else
--
GitLab
From 85eef9a41d019b59be7bc91793f26251909c0710 Mon Sep 17 00:00:00 2001
From: Sabrina Dubroca <sd@queasysnail.net>
Date: Mon, 25 Mar 2024 16:56:46 +0100
Subject: [PATCH 1689/2686] tls: adjust recv return with async crypto and
failed copy to userspace
process_rx_list may not copy as many bytes as we want to the userspace
buffer, for example in case we hit an EFAULT during the copy. If this
happens, we should only count the bytes that were actually copied,
which may be 0.
Subtracting async_copy_bytes is correct in both peek and !peek cases,
because decrypted == async_copy_bytes + peeked for the peek case: peek
is always !ZC, and we can go through either the sync or async path. In
the async case, we add chunk to both decrypted and
async_copy_bytes. In the sync case, we add chunk to both decrypted and
peeked. I missed that in commit 6caaf104423d ("tls: fix peeking with
sync+async decryption").
Fixes: 4d42cd6bc2ac ("tls: rx: fix return value for async crypto")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/1b5a1eaab3c088a9dd5d9f1059ceecd7afe888d1.1711120964.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/tls/tls_sw.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 3cdc6bc9fba69..14faf6189eb14 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -2158,6 +2158,9 @@ int tls_sw_recvmsg(struct sock *sk,
else
err = process_rx_list(ctx, msg, &control, 0,
async_copy_bytes, is_peek, NULL);
+
+ /* we could have copied less than we wanted, and possibly nothing */
+ decrypted += max(err, 0) - async_copy_bytes;
}
copied += decrypted;
--
GitLab
From dc54b813df63020e946ccdef35b64d4fa99fd622 Mon Sep 17 00:00:00 2001
From: Sabrina Dubroca <sd@queasysnail.net>
Date: Mon, 25 Mar 2024 16:56:47 +0100
Subject: [PATCH 1690/2686] selftests: tls: add test with a partially invalid
iov
Make sure that we don't return more bytes than we actually received if
the userspace buffer was bogus. We expect to receive at least the rest
of rec1, and possibly some of rec2 (currently, we don't, but that
would be ok).
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/720e61b3d3eab40af198a58ce2cd1ee019f0ceb1.1711120964.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
tools/testing/selftests/net/tls.c | 34 +++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index c6eda21cefb6b..f27a12d2a2c99 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -1615,6 +1615,40 @@ TEST_F(tls, getsockopt)
EXPECT_EQ(errno, EINVAL);
}
+TEST_F(tls, recv_efault)
+{
+ char *rec1 = "1111111111";
+ char *rec2 = "2222222222";
+ struct msghdr hdr = {};
+ struct iovec iov[2];
+ char recv_mem[12];
+ int ret;
+
+ if (self->notls)
+ SKIP(return, "no TLS support");
+
+ EXPECT_EQ(send(self->fd, rec1, 10, 0), 10);
+ EXPECT_EQ(send(self->fd, rec2, 10, 0), 10);
+
+ iov[0].iov_base = recv_mem;
+ iov[0].iov_len = sizeof(recv_mem);
+ iov[1].iov_base = NULL; /* broken iov to make process_rx_list fail */
+ iov[1].iov_len = 1;
+
+ hdr.msg_iovlen = 2;
+ hdr.msg_iov = iov;
+
+ EXPECT_EQ(recv(self->cfd, recv_mem, 1, 0), 1);
+ EXPECT_EQ(recv_mem[0], rec1[0]);
+
+ ret = recvmsg(self->cfd, &hdr, 0);
+ EXPECT_LE(ret, sizeof(recv_mem));
+ EXPECT_GE(ret, 9);
+ EXPECT_EQ(memcmp(rec1, recv_mem, 9), 0);
+ if (ret > 9)
+ EXPECT_EQ(memcmp(rec2, recv_mem + 9, ret - 9), 0);
+}
+
FIXTURE(tls_err)
{
int fd, cfd;
--
GitLab
From 417e91e856099e9b8a42a2520e2255e6afe024be Mon Sep 17 00:00:00 2001
From: Sabrina Dubroca <sd@queasysnail.net>
Date: Mon, 25 Mar 2024 16:56:48 +0100
Subject: [PATCH 1691/2686] tls: get psock ref after taking rxlock to avoid
leak
At the start of tls_sw_recvmsg, we take a reference on the psock, and
then call tls_rx_reader_lock. If that fails, we return directly
without releasing the reference.
Instead of adding a new label, just take the reference after locking
has succeeded, since we don't need it before.
Fixes: 4cbc325ed6b4 ("tls: rx: allow only one reader at a time")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/fe2ade22d030051ce4c3638704ed58b67d0df643.1711120964.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/tls/tls_sw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 14faf6189eb14..b783231668c65 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -1976,10 +1976,10 @@ int tls_sw_recvmsg(struct sock *sk,
if (unlikely(flags & MSG_ERRQUEUE))
return sock_recv_errqueue(sk, msg, len, SOL_IP, IP_RECVERR);
- psock = sk_psock_get(sk);
err = tls_rx_reader_lock(sk, ctx, flags & MSG_DONTWAIT);
if (err < 0)
return err;
+ psock = sk_psock_get(sk);
bpf_strp_enabled = sk_psock_strp_enabled(psock);
/* If crypto failed the connection is broken */
--
GitLab
From f7442a634ac06b953fc1f7418f307b25acd4cfbc Mon Sep 17 00:00:00 2001
From: David Thompson <davthompson@nvidia.com>
Date: Mon, 25 Mar 2024 14:36:27 -0400
Subject: [PATCH 1692/2686] mlxbf_gige: call request_irq() after NAPI
initialized
The mlxbf_gige driver encounters a NULL pointer exception in
mlxbf_gige_open() when kdump is enabled. The sequence to reproduce
the exception is as follows:
a) enable kdump
b) trigger kdump via "echo c > /proc/sysrq-trigger"
c) kdump kernel executes
d) kdump kernel loads mlxbf_gige module
e) the mlxbf_gige module runs its open() as the
the "oob_net0" interface is brought up
f) mlxbf_gige module will experience an exception
during its open(), something like:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Mem abort info:
ESR = 0x0000000086000004
EC = 0x21: IABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x04: level 0 translation fault
user pgtable: 4k pages, 48-bit VAs, pgdp=00000000e29a4000
[0000000000000000] pgd=0000000000000000, p4d=0000000000000000
Internal error: Oops: 0000000086000004 [#1] SMP
CPU: 0 PID: 812 Comm: NetworkManager Tainted: G OE 5.15.0-1035-bluefield #37-Ubuntu
Hardware name: https://www.mellanox.com BlueField-3 SmartNIC Main Card/BlueField-3 SmartNIC Main Card, BIOS 4.6.0.13024 Jan 19 2024
pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : 0x0
lr : __napi_poll+0x40/0x230
sp : ffff800008003e00
x29: ffff800008003e00 x28: 0000000000000000 x27: 00000000ffffffff
x26: ffff000066027238 x25: ffff00007cedec00 x24: ffff800008003ec8
x23: 000000000000012c x22: ffff800008003eb7 x21: 0000000000000000
x20: 0000000000000001 x19: ffff000066027238 x18: 0000000000000000
x17: ffff578fcb450000 x16: ffffa870b083c7c0 x15: 0000aaab010441d0
x14: 0000000000000001 x13: 00726f7272655f65 x12: 6769675f6662786c
x11: 0000000000000000 x10: 0000000000000000 x9 : ffffa870b0842398
x8 : 0000000000000004 x7 : fe5a48b9069706ea x6 : 17fdb11fc84ae0d2
x5 : d94a82549d594f35 x4 : 0000000000000000 x3 : 0000000000400100
x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000066027238
Call trace:
0x0
net_rx_action+0x178/0x360
__do_softirq+0x15c/0x428
__irq_exit_rcu+0xac/0xec
irq_exit+0x18/0x2c
handle_domain_irq+0x6c/0xa0
gic_handle_irq+0xec/0x1b0
call_on_irq_stack+0x20/0x2c
do_interrupt_handler+0x5c/0x70
el1_interrupt+0x30/0x50
el1h_64_irq_handler+0x18/0x2c
el1h_64_irq+0x7c/0x80
__setup_irq+0x4c0/0x950
request_threaded_irq+0xf4/0x1bc
mlxbf_gige_request_irqs+0x68/0x110 [mlxbf_gige]
mlxbf_gige_open+0x5c/0x170 [mlxbf_gige]
__dev_open+0x100/0x220
__dev_change_flags+0x16c/0x1f0
dev_change_flags+0x2c/0x70
do_setlink+0x220/0xa40
__rtnl_newlink+0x56c/0x8a0
rtnl_newlink+0x58/0x84
rtnetlink_rcv_msg+0x138/0x3c4
netlink_rcv_skb+0x64/0x130
rtnetlink_rcv+0x20/0x30
netlink_unicast+0x2ec/0x360
netlink_sendmsg+0x278/0x490
__sock_sendmsg+0x5c/0x6c
____sys_sendmsg+0x290/0x2d4
___sys_sendmsg+0x84/0xd0
__sys_sendmsg+0x70/0xd0
__arm64_sys_sendmsg+0x2c/0x40
invoke_syscall+0x78/0x100
el0_svc_common.constprop.0+0x54/0x184
do_el0_svc+0x30/0xac
el0_svc+0x48/0x160
el0t_64_sync_handler+0xa4/0x12c
el0t_64_sync+0x1a4/0x1a8
Code: bad PC value
---[ end trace 7d1c3f3bf9d81885 ]---
Kernel panic - not syncing: Oops: Fatal exception in interrupt
Kernel Offset: 0x2870a7a00000 from 0xffff800008000000
PHYS_OFFSET: 0x80000000
CPU features: 0x0,000005c1,a3332a5a
Memory Limit: none
---[ end Kernel panic - not syncing: Oops: Fatal exception in interrupt ]---
The exception happens because there is a pending RX interrupt before the
call to request_irq(RX IRQ) executes. Then, the RX IRQ handler fires
immediately after this request_irq() completes. The RX IRQ handler runs
"napi_schedule()" before NAPI is fully initialized via "netif_napi_add()"
and "napi_enable()", both which happen later in the open() logic.
The logic in mlxbf_gige_open() must fully initialize NAPI before any calls
to request_irq() execute.
Fixes: f92e1869d74e ("Add Mellanox BlueField Gigabit Ethernet driver")
Signed-off-by: David Thompson <davthompson@nvidia.com>
Reviewed-by: Asmaa Mnebhi <asmaa@nvidia.com>
Link: https://lore.kernel.org/r/20240325183627.7641-1-davthompson@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../mellanox/mlxbf_gige/mlxbf_gige_main.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c
index cef0e2d3f1a7b..77134ca929382 100644
--- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c
+++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c
@@ -139,13 +139,10 @@ static int mlxbf_gige_open(struct net_device *netdev)
control |= MLXBF_GIGE_CONTROL_PORT_EN;
writeq(control, priv->base + MLXBF_GIGE_CONTROL);
- err = mlxbf_gige_request_irqs(priv);
- if (err)
- return err;
mlxbf_gige_cache_stats(priv);
err = mlxbf_gige_clean_port(priv);
if (err)
- goto free_irqs;
+ return err;
/* Clear driver's valid_polarity to match hardware,
* since the above call to clean_port() resets the
@@ -166,6 +163,10 @@ static int mlxbf_gige_open(struct net_device *netdev)
napi_enable(&priv->napi);
netif_start_queue(netdev);
+ err = mlxbf_gige_request_irqs(priv);
+ if (err)
+ goto napi_deinit;
+
/* Set bits in INT_EN that we care about */
int_en = MLXBF_GIGE_INT_EN_HW_ACCESS_ERROR |
MLXBF_GIGE_INT_EN_TX_CHECKSUM_INPUTS |
@@ -182,14 +183,17 @@ static int mlxbf_gige_open(struct net_device *netdev)
return 0;
+napi_deinit:
+ netif_stop_queue(netdev);
+ napi_disable(&priv->napi);
+ netif_napi_del(&priv->napi);
+ mlxbf_gige_rx_deinit(priv);
+
tx_deinit:
mlxbf_gige_tx_deinit(priv);
phy_deinit:
phy_stop(phydev);
-
-free_irqs:
- mlxbf_gige_free_irqs(priv);
return err;
}
--
GitLab
From ddd65e19c60140673ea9f7249af0a672f1820623 Mon Sep 17 00:00:00 2001
From: Christian Brauner <brauner@kernel.org>
Date: Sat, 23 Mar 2024 17:11:19 +0100
Subject: [PATCH 1693/2686] block: handle BLK_OPEN_RESTRICT_WRITES correctly
Last kernel release we introduce CONFIG_BLK_DEV_WRITE_MOUNTED. By
default this option is set. When it is set the long-standing behavior
of being able to write to mounted block devices is enabled.
But in order to guard against unintended corruption by writing to the
block device buffer cache CONFIG_BLK_DEV_WRITE_MOUNTED can be turned
off. In that case it isn't possible to write to mounted block devices
anymore.
A filesystem may open its block devices with BLK_OPEN_RESTRICT_WRITES
which disallows concurrent BLK_OPEN_WRITE access. When we still had the
bdev handle around we could recognize BLK_OPEN_RESTRICT_WRITES because
the mode was passed around. Since we managed to get rid of the bdev
handle we changed that logic to recognize BLK_OPEN_RESTRICT_WRITES based
on whether the file was opened writable and writes to that block device
are blocked. That logic doesn't work because we do allow
BLK_OPEN_RESTRICT_WRITES to be specified without BLK_OPEN_WRITE.
Fix the detection logic and use an FMODE_* bit. We could've also abused
O_EXCL as an indicator that BLK_OPEN_RESTRICT_WRITES has been requested.
For userspace open paths O_EXCL will never be retained but for internal
opens where we open files that are never installed into a file
descriptor table this is fine. But it would be a gamble that this
doesn't cause bugs. Note that BLK_OPEN_RESTRICT_WRITES is an internal
only flag that cannot directly be raised by userspace. It is implicitly
raised during mounting.
Passes xftests and blktests with CONFIG_BLK_DEV_WRITE_MOUNTED set and
unset.
Link: https://lore.kernel.org/r/ZfyyEwu9Uq5Pgb94@casper.infradead.org
Link: https://lore.kernel.org/r/20240323-zielbereich-mittragen-6fdf14876c3e@brauner
Fixes: 321de651fa56 ("block: don't rely on BLK_OPEN_RESTRICT_WRITES when yielding write access")
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reported-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
block/bdev.c | 14 +++++++-------
include/linux/fs.h | 2 ++
2 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/block/bdev.c b/block/bdev.c
index 7a5f611c3d2e3..ab9cae0e05f14 100644
--- a/block/bdev.c
+++ b/block/bdev.c
@@ -821,13 +821,11 @@ static void bdev_yield_write_access(struct file *bdev_file)
return;
bdev = file_bdev(bdev_file);
- /* Yield exclusive or shared write access. */
- if (bdev_file->f_mode & FMODE_WRITE) {
- if (bdev_writes_blocked(bdev))
- bdev_unblock_writes(bdev);
- else
- bdev->bd_writers--;
- }
+
+ if (bdev_file->f_mode & FMODE_WRITE_RESTRICTED)
+ bdev_unblock_writes(bdev);
+ else if (bdev_file->f_mode & FMODE_WRITE)
+ bdev->bd_writers--;
}
/**
@@ -907,6 +905,8 @@ int bdev_open(struct block_device *bdev, blk_mode_t mode, void *holder,
bdev_file->f_mode |= FMODE_BUF_RASYNC | FMODE_CAN_ODIRECT;
if (bdev_nowait(bdev))
bdev_file->f_mode |= FMODE_NOWAIT;
+ if (mode & BLK_OPEN_RESTRICT_WRITES)
+ bdev_file->f_mode |= FMODE_WRITE_RESTRICTED;
bdev_file->f_mapping = bdev->bd_inode->i_mapping;
bdev_file->f_wb_err = filemap_sample_wb_err(bdev_file->f_mapping);
bdev_file->private_data = holder;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 00fc429b0af0f..8dfd53b52744a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -121,6 +121,8 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
#define FMODE_PWRITE ((__force fmode_t)0x10)
/* File is opened for execution with sys_execve / sys_uselib */
#define FMODE_EXEC ((__force fmode_t)0x20)
+/* File writes are restricted (block device specific) */
+#define FMODE_WRITE_RESTRICTED ((__force fmode_t)0x40)
/* 32bit hashes as llseek() offset (for directories) */
#define FMODE_32BITHASH ((__force fmode_t)0x200)
/* 64bit hashes as llseek() offset (for directories) */
--
GitLab
From 7590ac2249ebfa6a40db9055fa62d349e9c8e6a6 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 26 Mar 2024 23:38:07 +0100
Subject: [PATCH 1694/2686] ALSA: aoa: avoid false-positive format truncation
warning
clang warns about what it interprets as a truncated snprintf:
sound/aoa/soundbus/i2sbus/core.c:171:6: error: 'snprintf' will always be truncated; specified size is 6, but format string expands to at least 7 [-Werror,-Wformat-truncation-non-kprintf]
The actual problem here is that it does not understand the special
%pOFn format string and assumes that it is a pointer followed by
the string "OFn", which would indeed not fit.
Slightly increasing the size of the buffer to its natural alignment
avoids the warning, as it is now long enough for the correct and
the incorrect interprations.
Fixes: b917d58dcfaa ("ALSA: aoa: Convert to using %pOFn instead of device_node.name")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Message-ID: <20240326223825.4084412-9-arnd@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/aoa/soundbus/i2sbus/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c
index 3f49a9e28bfc5..e627ffffa1f23 100644
--- a/sound/aoa/soundbus/i2sbus/core.c
+++ b/sound/aoa/soundbus/i2sbus/core.c
@@ -158,7 +158,7 @@ static int i2sbus_add_dev(struct macio_dev *macio,
struct device_node *child, *sound = NULL;
struct resource *r;
int i, layout = 0, rlen, ok = force;
- char node_name[6];
+ char node_name[8];
static const char *rnames[] = { "i2sbus: %pOFn (control)",
"i2sbus: %pOFn (tx)",
"i2sbus: %pOFn (rx)" };
--
GitLab
From ae065d0ce9e36ca4efdfb9b96ce3395bd1c19372 Mon Sep 17 00:00:00 2001
From: Gergo Koteles <soyer@irl.hu>
Date: Tue, 26 Mar 2024 17:18:45 +0100
Subject: [PATCH 1695/2686] ALSA: hda/tas2781: remove digital gain kcontrol
The "Speaker Digital Gain" kcontrol controls the TAS2781_DVC_LVL (0x1A)
register. Unfortunately the tas2563 does not have DVC_LVL, but has
INT_MASK0 in 0x1A, which has been misused so far.
Since commit c1947ce61ff4 ("ALSA: hda/realtek: tas2781: enable subwoofer
volume control") the volume of the tas2781 amplifiers can be controlled
by the master volume, so this digital gain kcontrol is not needed.
Remove it.
Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2781 HDA driver")
CC: stable@vger.kernel.org
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Message-ID: <741fc21db994efd58f83e7aef38931204961e5b2.1711469583.git.soyer@irl.hu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/tas2781_hda_i2c.c | 37 +--------------------------------
1 file changed, 1 insertion(+), 36 deletions(-)
diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c
index 4475cea8e9f70..5acb475c10a72 100644
--- a/sound/pci/hda/tas2781_hda_i2c.c
+++ b/sound/pci/hda/tas2781_hda_i2c.c
@@ -89,7 +89,7 @@ struct tas2781_hda {
struct snd_kcontrol *dsp_prog_ctl;
struct snd_kcontrol *dsp_conf_ctl;
struct snd_kcontrol *prof_ctl;
- struct snd_kcontrol *snd_ctls[3];
+ struct snd_kcontrol *snd_ctls[2];
};
static int tas2781_get_i2c_res(struct acpi_resource *ares, void *data)
@@ -294,27 +294,6 @@ static int tasdevice_config_put(struct snd_kcontrol *kcontrol,
return ret;
}
-/*
- * tas2781_digital_getvol - get the volum control
- * @kcontrol: control pointer
- * @ucontrol: User data
- * Customer Kcontrol for tas2781 is primarily for regmap booking, paging
- * depends on internal regmap mechanism.
- * tas2781 contains book and page two-level register map, especially
- * book switching will set the register BXXP00R7F, after switching to the
- * correct book, then leverage the mechanism for paging to access the
- * register.
- */
-static int tas2781_digital_getvol(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
-
- return tasdevice_digital_getvol(tas_priv, ucontrol, mc);
-}
-
static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
@@ -325,17 +304,6 @@ static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol,
return tasdevice_amp_getvol(tas_priv, ucontrol, mc);
}
-static int tas2781_digital_putvol(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
-
- /* The check of the given value is in tasdevice_digital_putvol. */
- return tasdevice_digital_putvol(tas_priv, ucontrol, mc);
-}
-
static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
@@ -381,9 +349,6 @@ static const struct snd_kcontrol_new tas2781_snd_controls[] = {
ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Gain", TAS2781_AMP_LEVEL,
1, 0, 20, 0, tas2781_amp_getvol,
tas2781_amp_putvol, amp_vol_tlv),
- ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Gain", TAS2781_DVC_LVL,
- 0, 0, 200, 1, tas2781_digital_getvol,
- tas2781_digital_putvol, dvc_tlv),
ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0,
tas2781_force_fwload_get, tas2781_force_fwload_put),
};
--
GitLab
From 15bc3066d2378eef1b45254be9df23b0dd7f1667 Mon Sep 17 00:00:00 2001
From: Gergo Koteles <soyer@irl.hu>
Date: Tue, 26 Mar 2024 17:18:46 +0100
Subject: [PATCH 1696/2686] ALSA: hda/tas2781: add locks to kcontrols
The rcabin.profile_cfg_id, cur_prog, cur_conf, force_fwload_status
variables are acccessible from multiple threads and therefore require
locking.
Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2781 HDA driver")
CC: stable@vger.kernel.org
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Message-ID: <e35b867f6fe5fa1f869dd658a0a1f2118b737f57.1711469583.git.soyer@irl.hu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/tas2781_hda_i2c.c | 50 +++++++++++++++++++++++++++++++--
1 file changed, 48 insertions(+), 2 deletions(-)
diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c
index 5acb475c10a72..9a43f563bb9ef 100644
--- a/sound/pci/hda/tas2781_hda_i2c.c
+++ b/sound/pci/hda/tas2781_hda_i2c.c
@@ -185,8 +185,12 @@ static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol,
{
struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+ mutex_lock(&tas_priv->codec_lock);
+
ucontrol->value.integer.value[0] = tas_priv->rcabin.profile_cfg_id;
+ mutex_unlock(&tas_priv->codec_lock);
+
return 0;
}
@@ -200,11 +204,15 @@ static int tasdevice_set_profile_id(struct snd_kcontrol *kcontrol,
val = clamp(nr_profile, 0, max);
+ mutex_lock(&tas_priv->codec_lock);
+
if (tas_priv->rcabin.profile_cfg_id != val) {
tas_priv->rcabin.profile_cfg_id = val;
ret = 1;
}
+ mutex_unlock(&tas_priv->codec_lock);
+
return ret;
}
@@ -241,8 +249,12 @@ static int tasdevice_program_get(struct snd_kcontrol *kcontrol,
{
struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+ mutex_lock(&tas_priv->codec_lock);
+
ucontrol->value.integer.value[0] = tas_priv->cur_prog;
+ mutex_unlock(&tas_priv->codec_lock);
+
return 0;
}
@@ -257,11 +269,15 @@ static int tasdevice_program_put(struct snd_kcontrol *kcontrol,
val = clamp(nr_program, 0, max);
+ mutex_lock(&tas_priv->codec_lock);
+
if (tas_priv->cur_prog != val) {
tas_priv->cur_prog = val;
ret = 1;
}
+ mutex_unlock(&tas_priv->codec_lock);
+
return ret;
}
@@ -270,8 +286,12 @@ static int tasdevice_config_get(struct snd_kcontrol *kcontrol,
{
struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+ mutex_lock(&tas_priv->codec_lock);
+
ucontrol->value.integer.value[0] = tas_priv->cur_conf;
+ mutex_unlock(&tas_priv->codec_lock);
+
return 0;
}
@@ -286,11 +306,15 @@ static int tasdevice_config_put(struct snd_kcontrol *kcontrol,
val = clamp(nr_config, 0, max);
+ mutex_lock(&tas_priv->codec_lock);
+
if (tas_priv->cur_conf != val) {
tas_priv->cur_conf = val;
ret = 1;
}
+ mutex_unlock(&tas_priv->codec_lock);
+
return ret;
}
@@ -300,8 +324,15 @@ static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol,
struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
+ int ret;
+
+ mutex_lock(&tas_priv->codec_lock);
+
+ ret = tasdevice_amp_getvol(tas_priv, ucontrol, mc);
+
+ mutex_unlock(&tas_priv->codec_lock);
- return tasdevice_amp_getvol(tas_priv, ucontrol, mc);
+ return ret;
}
static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol,
@@ -310,9 +341,16 @@ static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol,
struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
+ int ret;
+
+ mutex_lock(&tas_priv->codec_lock);
/* The check of the given value is in tasdevice_amp_putvol. */
- return tasdevice_amp_putvol(tas_priv, ucontrol, mc);
+ ret = tasdevice_amp_putvol(tas_priv, ucontrol, mc);
+
+ mutex_unlock(&tas_priv->codec_lock);
+
+ return ret;
}
static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol,
@@ -320,10 +358,14 @@ static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol,
{
struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
+ mutex_lock(&tas_priv->codec_lock);
+
ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status;
dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
tas_priv->force_fwload_status ? "ON" : "OFF");
+ mutex_unlock(&tas_priv->codec_lock);
+
return 0;
}
@@ -333,6 +375,8 @@ static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol,
struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
bool change, val = (bool)ucontrol->value.integer.value[0];
+ mutex_lock(&tas_priv->codec_lock);
+
if (tas_priv->force_fwload_status == val)
change = false;
else {
@@ -342,6 +386,8 @@ static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol,
dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
tas_priv->force_fwload_status ? "ON" : "OFF");
+ mutex_unlock(&tas_priv->codec_lock);
+
return change;
}
--
GitLab
From 26c04a8a3c05dc280fa961e79b5b3fcb66ac4625 Mon Sep 17 00:00:00 2001
From: Gergo Koteles <soyer@irl.hu>
Date: Tue, 26 Mar 2024 17:18:47 +0100
Subject: [PATCH 1697/2686] ALSA: hda/tas2781: add debug statements to
kcontrols
Sometimes it is useful to examine the timing of kcontrol events.
Add debug statements to each kcontrol.
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Message-ID: <18ff4b0caab90a2dacf907e62346fd5079a9eb1a.1711469583.git.soyer@irl.hu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/tas2781_hda_i2c.c | 35 +++++++++++++++++++++++++++++----
1 file changed, 31 insertions(+), 4 deletions(-)
diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c
index 9a43f563bb9ef..f495caee38e16 100644
--- a/sound/pci/hda/tas2781_hda_i2c.c
+++ b/sound/pci/hda/tas2781_hda_i2c.c
@@ -189,6 +189,9 @@ static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol,
ucontrol->value.integer.value[0] = tas_priv->rcabin.profile_cfg_id;
+ dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d\n",
+ __func__, kcontrol->id.name, tas_priv->rcabin.profile_cfg_id);
+
mutex_unlock(&tas_priv->codec_lock);
return 0;
@@ -206,6 +209,10 @@ static int tasdevice_set_profile_id(struct snd_kcontrol *kcontrol,
mutex_lock(&tas_priv->codec_lock);
+ dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d -> %d\n",
+ __func__, kcontrol->id.name,
+ tas_priv->rcabin.profile_cfg_id, val);
+
if (tas_priv->rcabin.profile_cfg_id != val) {
tas_priv->rcabin.profile_cfg_id = val;
ret = 1;
@@ -253,6 +260,9 @@ static int tasdevice_program_get(struct snd_kcontrol *kcontrol,
ucontrol->value.integer.value[0] = tas_priv->cur_prog;
+ dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d\n",
+ __func__, kcontrol->id.name, tas_priv->cur_prog);
+
mutex_unlock(&tas_priv->codec_lock);
return 0;
@@ -271,6 +281,9 @@ static int tasdevice_program_put(struct snd_kcontrol *kcontrol,
mutex_lock(&tas_priv->codec_lock);
+ dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d -> %d\n",
+ __func__, kcontrol->id.name, tas_priv->cur_prog, val);
+
if (tas_priv->cur_prog != val) {
tas_priv->cur_prog = val;
ret = 1;
@@ -290,6 +303,9 @@ static int tasdevice_config_get(struct snd_kcontrol *kcontrol,
ucontrol->value.integer.value[0] = tas_priv->cur_conf;
+ dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d\n",
+ __func__, kcontrol->id.name, tas_priv->cur_conf);
+
mutex_unlock(&tas_priv->codec_lock);
return 0;
@@ -308,6 +324,9 @@ static int tasdevice_config_put(struct snd_kcontrol *kcontrol,
mutex_lock(&tas_priv->codec_lock);
+ dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d -> %d\n",
+ __func__, kcontrol->id.name, tas_priv->cur_conf, val);
+
if (tas_priv->cur_conf != val) {
tas_priv->cur_conf = val;
ret = 1;
@@ -330,6 +349,9 @@ static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol,
ret = tasdevice_amp_getvol(tas_priv, ucontrol, mc);
+ dev_dbg(tas_priv->dev, "%s: kcontrol %s: %ld\n",
+ __func__, kcontrol->id.name, ucontrol->value.integer.value[0]);
+
mutex_unlock(&tas_priv->codec_lock);
return ret;
@@ -345,6 +367,9 @@ static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol,
mutex_lock(&tas_priv->codec_lock);
+ dev_dbg(tas_priv->dev, "%s: kcontrol %s: -> %ld\n",
+ __func__, kcontrol->id.name, ucontrol->value.integer.value[0]);
+
/* The check of the given value is in tasdevice_amp_putvol. */
ret = tasdevice_amp_putvol(tas_priv, ucontrol, mc);
@@ -361,8 +386,8 @@ static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol,
mutex_lock(&tas_priv->codec_lock);
ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status;
- dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
- tas_priv->force_fwload_status ? "ON" : "OFF");
+ dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d\n",
+ __func__, kcontrol->id.name, tas_priv->force_fwload_status);
mutex_unlock(&tas_priv->codec_lock);
@@ -377,14 +402,16 @@ static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol,
mutex_lock(&tas_priv->codec_lock);
+ dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d -> %d\n",
+ __func__, kcontrol->id.name,
+ tas_priv->force_fwload_status, val);
+
if (tas_priv->force_fwload_status == val)
change = false;
else {
change = true;
tas_priv->force_fwload_status = val;
}
- dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
- tas_priv->force_fwload_status ? "ON" : "OFF");
mutex_unlock(&tas_priv->codec_lock);
--
GitLab
From 1506d96119eb9454d64f5ae80ab8d04c1594ac25 Mon Sep 17 00:00:00 2001
From: Gergo Koteles <soyer@irl.hu>
Date: Tue, 26 Mar 2024 17:18:48 +0100
Subject: [PATCH 1698/2686] ALSA: hda/tas2781: remove useless dev_dbg from
playback_hook
The debug message "Playback action not supported: action" is not useful,
because the action was previously printed, and the list of supported
actions are intentional.
Remove the debug statement from the default switch case.
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Message-ID: <8b9546db6c92dea4476a7247a88d56248c2ba8c2.1711469583.git.soyer@irl.hu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/tas2781_hda_i2c.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c
index f495caee38e16..48dae33393050 100644
--- a/sound/pci/hda/tas2781_hda_i2c.c
+++ b/sound/pci/hda/tas2781_hda_i2c.c
@@ -161,8 +161,6 @@ static void tas2781_hda_playback_hook(struct device *dev, int action)
pm_runtime_put_autosuspend(dev);
break;
default:
- dev_dbg(tas_hda->dev, "Playback action not supported: %d\n",
- action);
break;
}
}
--
GitLab
From ea2c09283b44d1a3732a195a9b257d56779c8863 Mon Sep 17 00:00:00 2001
From: Herve Codina <herve.codina@bootlin.com>
Date: Mon, 25 Mar 2024 09:25:05 +0100
Subject: [PATCH 1699/2686] net: wan: framer: Add missing static inline
qualifiers
Compilation with CONFIG_GENERIC_FRAMER disabled lead to the following
warnings:
framer.h:184:16: warning: no previous prototype for function 'framer_get' [-Wmissing-prototypes]
184 | struct framer *framer_get(struct device *dev, const char *con_id)
framer.h:184:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
184 | struct framer *framer_get(struct device *dev, const char *con_id)
framer.h:189:6: warning: no previous prototype for function 'framer_put' [-Wmissing-prototypes]
189 | void framer_put(struct device *dev, struct framer *framer)
framer.h:189:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
189 | void framer_put(struct device *dev, struct framer *framer)
Add missing 'static inline' qualifiers for these functions.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202403241110.hfJqeJRu-lkp@intel.com/
Fixes: 82c944d05b1a ("net: wan: Add framer framework support")
Cc: stable@vger.kernel.org
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/linux/framer/framer.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/framer/framer.h b/include/linux/framer/framer.h
index 9a9b88962c296..2b85fe9e7f9a7 100644
--- a/include/linux/framer/framer.h
+++ b/include/linux/framer/framer.h
@@ -181,12 +181,12 @@ static inline int framer_notifier_unregister(struct framer *framer,
return -ENOSYS;
}
-struct framer *framer_get(struct device *dev, const char *con_id)
+static inline struct framer *framer_get(struct device *dev, const char *con_id)
{
return ERR_PTR(-ENOSYS);
}
-void framer_put(struct device *dev, struct framer *framer)
+static inline void framer_put(struct device *dev, struct framer *framer)
{
}
--
GitLab
From afbf75e8da8ce8a0698212953d350697bb4355a6 Mon Sep 17 00:00:00 2001
From: Jakub Kicinski <kuba@kernel.org>
Date: Mon, 25 Mar 2024 08:56:11 -0700
Subject: [PATCH 1700/2686] selftests: netdevsim: set test timeout to 10
minutes
The longest running netdevsim test, nexthop.sh, currently takes
5 min to finish. Around 260s to be exact, and 310s on a debug kernel.
The default timeout in selftest is 45sec, so we need an explicit
config. Give ourselves some headroom and use 10min.
Commit under Fixes isn't really to "blame" but prior to that
netdevsim tests weren't integrated with kselftest infra
so blaming the tests themselves doesn't seem right, either.
Fixes: 8ff25dac88f6 ("netdevsim: add Makefile for selftests")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
tools/testing/selftests/drivers/net/netdevsim/settings | 1 +
1 file changed, 1 insertion(+)
create mode 100644 tools/testing/selftests/drivers/net/netdevsim/settings
diff --git a/tools/testing/selftests/drivers/net/netdevsim/settings b/tools/testing/selftests/drivers/net/netdevsim/settings
new file mode 100644
index 0000000000000..a62d2fa1275c6
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/netdevsim/settings
@@ -0,0 +1 @@
+timeout=600
--
GitLab
From 3ff56e285de5a375fbfab3c3f1af81bbd23db36d Mon Sep 17 00:00:00 2001
From: Christian Brauner <brauner@kernel.org>
Date: Sat, 23 Mar 2024 17:11:20 +0100
Subject: [PATCH 1701/2686] block: count BLK_OPEN_RESTRICT_WRITES openers
The original changes in v6.8 do allow for a block device to be reopened
with BLK_OPEN_RESTRICT_WRITES provided the same holder is used as per
bdev_may_open(). I think this has a bug.
The first opener @f1 of that block device will set bdev->bd_writers to
-1. The second opener @f2 using the same holder will pass the check in
bdev_may_open() that bdev->bd_writers must not be greater than zero.
The first opener @f1 now closes the block device and in bdev_release()
will end up calling bdev_yield_write_access() which calls
bdev_writes_blocked() and sets bdev->bd_writers to 0 again.
Now @f2 holds a file to that block device which was opened with
exclusive write access but bdev->bd_writers has been reset to 0.
So now @f3 comes along and succeeds in opening the block device with
BLK_OPEN_WRITE betraying @f2's request to have exclusive write access.
This isn't a practical issue yet because afaict there's no codepath
inside the kernel that reopenes the same block device with
BLK_OPEN_RESTRICT_WRITES but it will be if there is.
Fix this by counting the number of BLK_OPEN_RESTRICT_WRITES openers. So
we only allow writes again once all BLK_OPEN_RESTRICT_WRITES openers are
done.
Link: https://lore.kernel.org/r/20240323-abtauchen-klauen-c2953810082d@brauner
Fixes: ed5cc702d311 ("block: Add config option to not allow writing to mounted devices")
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
block/bdev.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/block/bdev.c b/block/bdev.c
index ab9cae0e05f14..a1946a902df36 100644
--- a/block/bdev.c
+++ b/block/bdev.c
@@ -776,17 +776,17 @@ void blkdev_put_no_open(struct block_device *bdev)
static bool bdev_writes_blocked(struct block_device *bdev)
{
- return bdev->bd_writers == -1;
+ return bdev->bd_writers < 0;
}
static void bdev_block_writes(struct block_device *bdev)
{
- bdev->bd_writers = -1;
+ bdev->bd_writers--;
}
static void bdev_unblock_writes(struct block_device *bdev)
{
- bdev->bd_writers = 0;
+ bdev->bd_writers++;
}
static bool bdev_may_open(struct block_device *bdev, blk_mode_t mode)
--
GitLab
From 22650a99821dda3d05f1c334ea90330b4982de56 Mon Sep 17 00:00:00 2001
From: Christian Brauner <brauner@kernel.org>
Date: Tue, 26 Mar 2024 13:47:22 +0100
Subject: [PATCH 1702/2686] fs,block: yield devices early
Currently a device is only really released once the umount returns to
userspace due to how file closing works. That ultimately could cause
an old umount assumption to be violated that concurrent umount and mount
don't fail. So an exclusively held device with a temporary holder should
be yielded before the filesystem is gone. Add a helper that allows
callers to do that. This also allows us to remove the two holder ops
that Linus wasn't excited about.
Link: https://lore.kernel.org/r/20240326-vfs-bdev-end_holder-v1-1-20af85202918@kernel.org
Fixes: f3a608827d1f ("bdev: open block device as files") # mainline only
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
block/bdev.c | 64 ++++++++++++++++++++++++++++-----
drivers/mtd/devices/block2mtd.c | 2 +-
fs/bcachefs/super-io.c | 2 +-
fs/cramfs/inode.c | 2 +-
fs/ext4/super.c | 8 ++---
fs/f2fs/super.c | 2 +-
fs/jfs/jfs_logmgr.c | 4 +--
fs/reiserfs/journal.c | 2 +-
fs/romfs/super.c | 2 +-
fs/super.c | 24 ++-----------
fs/xfs/xfs_buf.c | 2 +-
fs/xfs/xfs_super.c | 6 ++--
include/linux/blkdev.h | 11 +-----
13 files changed, 76 insertions(+), 55 deletions(-)
diff --git a/block/bdev.c b/block/bdev.c
index a1946a902df36..b8e32d933a636 100644
--- a/block/bdev.c
+++ b/block/bdev.c
@@ -583,9 +583,6 @@ static void bd_finish_claiming(struct block_device *bdev, void *holder,
mutex_unlock(&bdev->bd_holder_lock);
bd_clear_claiming(whole, holder);
mutex_unlock(&bdev_lock);
-
- if (hops && hops->get_holder)
- hops->get_holder(holder);
}
/**
@@ -608,7 +605,6 @@ EXPORT_SYMBOL(bd_abort_claiming);
static void bd_end_claim(struct block_device *bdev, void *holder)
{
struct block_device *whole = bdev_whole(bdev);
- const struct blk_holder_ops *hops = bdev->bd_holder_ops;
bool unblock = false;
/*
@@ -631,9 +627,6 @@ static void bd_end_claim(struct block_device *bdev, void *holder)
whole->bd_holder = NULL;
mutex_unlock(&bdev_lock);
- if (hops && hops->put_holder)
- hops->put_holder(holder);
-
/*
* If this was the last claim, remove holder link and unblock evpoll if
* it was a write holder.
@@ -813,6 +806,11 @@ static void bdev_claim_write_access(struct block_device *bdev, blk_mode_t mode)
bdev->bd_writers++;
}
+static inline bool bdev_unclaimed(const struct file *bdev_file)
+{
+ return bdev_file->private_data == BDEV_I(bdev_file->f_mapping->host);
+}
+
static void bdev_yield_write_access(struct file *bdev_file)
{
struct block_device *bdev;
@@ -820,6 +818,9 @@ static void bdev_yield_write_access(struct file *bdev_file)
if (bdev_allow_write_mounted)
return;
+ if (bdev_unclaimed(bdev_file))
+ return;
+
bdev = file_bdev(bdev_file);
if (bdev_file->f_mode & FMODE_WRITE_RESTRICTED)
@@ -1012,6 +1013,20 @@ struct file *bdev_file_open_by_path(const char *path, blk_mode_t mode,
}
EXPORT_SYMBOL(bdev_file_open_by_path);
+static inline void bd_yield_claim(struct file *bdev_file)
+{
+ struct block_device *bdev = file_bdev(bdev_file);
+ void *holder = bdev_file->private_data;
+
+ lockdep_assert_held(&bdev->bd_disk->open_mutex);
+
+ if (WARN_ON_ONCE(IS_ERR_OR_NULL(holder)))
+ return;
+
+ if (!bdev_unclaimed(bdev_file))
+ bd_end_claim(bdev, holder);
+}
+
void bdev_release(struct file *bdev_file)
{
struct block_device *bdev = file_bdev(bdev_file);
@@ -1036,7 +1051,7 @@ void bdev_release(struct file *bdev_file)
bdev_yield_write_access(bdev_file);
if (holder)
- bd_end_claim(bdev, holder);
+ bd_yield_claim(bdev_file);
/*
* Trigger event checking and tell drivers to flush MEDIA_CHANGE
@@ -1056,6 +1071,39 @@ void bdev_release(struct file *bdev_file)
blkdev_put_no_open(bdev);
}
+/**
+ * bdev_fput - yield claim to the block device and put the file
+ * @bdev_file: open block device
+ *
+ * Yield claim on the block device and put the file. Ensure that the
+ * block device can be reclaimed before the file is closed which is a
+ * deferred operation.
+ */
+void bdev_fput(struct file *bdev_file)
+{
+ if (WARN_ON_ONCE(bdev_file->f_op != &def_blk_fops))
+ return;
+
+ if (bdev_file->private_data) {
+ struct block_device *bdev = file_bdev(bdev_file);
+ struct gendisk *disk = bdev->bd_disk;
+
+ mutex_lock(&disk->open_mutex);
+ bdev_yield_write_access(bdev_file);
+ bd_yield_claim(bdev_file);
+ /*
+ * Tell release we already gave up our hold on the
+ * device and if write restrictions are available that
+ * we already gave up write access to the device.
+ */
+ bdev_file->private_data = BDEV_I(bdev_file->f_mapping->host);
+ mutex_unlock(&disk->open_mutex);
+ }
+
+ fput(bdev_file);
+}
+EXPORT_SYMBOL(bdev_fput);
+
/**
* lookup_bdev() - Look up a struct block_device by name.
* @pathname: Name of the block device in the filesystem.
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 97a00ec9a4d48..caacdc0a38194 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -209,7 +209,7 @@ static void block2mtd_free_device(struct block2mtd_dev *dev)
if (dev->bdev_file) {
invalidate_mapping_pages(dev->bdev_file->f_mapping, 0, -1);
- fput(dev->bdev_file);
+ bdev_fput(dev->bdev_file);
}
kfree(dev);
diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c
index ad28e370b6404..cb7b4de11a49e 100644
--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -143,7 +143,7 @@ void bch2_free_super(struct bch_sb_handle *sb)
{
kfree(sb->bio);
if (!IS_ERR_OR_NULL(sb->s_bdev_file))
- fput(sb->s_bdev_file);
+ bdev_fput(sb->s_bdev_file);
kfree(sb->holder);
kfree(sb->sb_name);
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index 39e75131fd5aa..9901057a15ba7 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -495,7 +495,7 @@ static void cramfs_kill_sb(struct super_block *sb)
sb->s_mtd = NULL;
} else if (IS_ENABLED(CONFIG_CRAMFS_BLOCKDEV) && sb->s_bdev) {
sync_blockdev(sb->s_bdev);
- fput(sb->s_bdev_file);
+ bdev_fput(sb->s_bdev_file);
}
kfree(sbi);
}
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index cfb8449c731f9..044135796f2b6 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5668,7 +5668,7 @@ failed_mount9: __maybe_unused
brelse(sbi->s_sbh);
if (sbi->s_journal_bdev_file) {
invalidate_bdev(file_bdev(sbi->s_journal_bdev_file));
- fput(sbi->s_journal_bdev_file);
+ bdev_fput(sbi->s_journal_bdev_file);
}
out_fail:
invalidate_bdev(sb->s_bdev);
@@ -5913,7 +5913,7 @@ static struct file *ext4_get_journal_blkdev(struct super_block *sb,
out_bh:
brelse(bh);
out_bdev:
- fput(bdev_file);
+ bdev_fput(bdev_file);
return ERR_PTR(errno);
}
@@ -5952,7 +5952,7 @@ static journal_t *ext4_open_dev_journal(struct super_block *sb,
out_journal:
jbd2_journal_destroy(journal);
out_bdev:
- fput(bdev_file);
+ bdev_fput(bdev_file);
return ERR_PTR(errno);
}
@@ -7327,7 +7327,7 @@ static void ext4_kill_sb(struct super_block *sb)
kill_block_super(sb);
if (bdev_file)
- fput(bdev_file);
+ bdev_fput(bdev_file);
}
static struct file_system_type ext4_fs_type = {
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index a6867f26f1418..a4bc26dfdb1af 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1558,7 +1558,7 @@ static void destroy_device_list(struct f2fs_sb_info *sbi)
for (i = 0; i < sbi->s_ndevs; i++) {
if (i > 0)
- fput(FDEV(i).bdev_file);
+ bdev_fput(FDEV(i).bdev_file);
#ifdef CONFIG_BLK_DEV_ZONED
kvfree(FDEV(i).blkz_seq);
#endif
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index 73389c68e2517..9609349e92e5e 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -1141,7 +1141,7 @@ int lmLogOpen(struct super_block *sb)
lbmLogShutdown(log);
close: /* close external log device */
- fput(bdev_file);
+ bdev_fput(bdev_file);
free: /* free log descriptor */
mutex_unlock(&jfs_log_mutex);
@@ -1485,7 +1485,7 @@ int lmLogClose(struct super_block *sb)
bdev_file = log->bdev_file;
rc = lmLogShutdown(log);
- fput(bdev_file);
+ bdev_fput(bdev_file);
kfree(log);
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 6474529c42530..e539ccd39e1ee 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -2589,7 +2589,7 @@ static void journal_list_init(struct super_block *sb)
static void release_journal_dev(struct reiserfs_journal *journal)
{
if (journal->j_bdev_file) {
- fput(journal->j_bdev_file);
+ bdev_fput(journal->j_bdev_file);
journal->j_bdev_file = NULL;
}
}
diff --git a/fs/romfs/super.c b/fs/romfs/super.c
index 2be227532f399..2cbb924620747 100644
--- a/fs/romfs/super.c
+++ b/fs/romfs/super.c
@@ -594,7 +594,7 @@ static void romfs_kill_sb(struct super_block *sb)
#ifdef CONFIG_ROMFS_ON_BLOCK
if (sb->s_bdev) {
sync_blockdev(sb->s_bdev);
- fput(sb->s_bdev_file);
+ bdev_fput(sb->s_bdev_file);
}
#endif
}
diff --git a/fs/super.c b/fs/super.c
index 71d9779c42b10..69ce6c6009684 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1515,29 +1515,11 @@ static int fs_bdev_thaw(struct block_device *bdev)
return error;
}
-static void fs_bdev_super_get(void *data)
-{
- struct super_block *sb = data;
-
- spin_lock(&sb_lock);
- sb->s_count++;
- spin_unlock(&sb_lock);
-}
-
-static void fs_bdev_super_put(void *data)
-{
- struct super_block *sb = data;
-
- put_super(sb);
-}
-
const struct blk_holder_ops fs_holder_ops = {
.mark_dead = fs_bdev_mark_dead,
.sync = fs_bdev_sync,
.freeze = fs_bdev_freeze,
.thaw = fs_bdev_thaw,
- .get_holder = fs_bdev_super_get,
- .put_holder = fs_bdev_super_put,
};
EXPORT_SYMBOL_GPL(fs_holder_ops);
@@ -1562,7 +1544,7 @@ int setup_bdev_super(struct super_block *sb, int sb_flags,
* writable from userspace even for a read-only block device.
*/
if ((mode & BLK_OPEN_WRITE) && bdev_read_only(bdev)) {
- fput(bdev_file);
+ bdev_fput(bdev_file);
return -EACCES;
}
@@ -1573,7 +1555,7 @@ int setup_bdev_super(struct super_block *sb, int sb_flags,
if (atomic_read(&bdev->bd_fsfreeze_count) > 0) {
if (fc)
warnf(fc, "%pg: Can't mount, blockdev is frozen", bdev);
- fput(bdev_file);
+ bdev_fput(bdev_file);
return -EBUSY;
}
spin_lock(&sb_lock);
@@ -1693,7 +1675,7 @@ void kill_block_super(struct super_block *sb)
generic_shutdown_super(sb);
if (bdev) {
sync_blockdev(bdev);
- fput(sb->s_bdev_file);
+ bdev_fput(sb->s_bdev_file);
}
}
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 1a18c381127e2..f0fa02264edaa 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -2030,7 +2030,7 @@ xfs_free_buftarg(
fs_put_dax(btp->bt_daxdev, btp->bt_mount);
/* the main block device is closed by kill_block_super */
if (btp->bt_bdev != btp->bt_mount->m_super->s_bdev)
- fput(btp->bt_bdev_file);
+ bdev_fput(btp->bt_bdev_file);
kfree(btp);
}
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index c21f10ab0f5db..bce020374c5eb 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -485,7 +485,7 @@ xfs_open_devices(
mp->m_logdev_targp = mp->m_ddev_targp;
/* Handle won't be used, drop it */
if (logdev_file)
- fput(logdev_file);
+ bdev_fput(logdev_file);
}
return 0;
@@ -497,10 +497,10 @@ xfs_open_devices(
xfs_free_buftarg(mp->m_ddev_targp);
out_close_rtdev:
if (rtdev_file)
- fput(rtdev_file);
+ bdev_fput(rtdev_file);
out_close_logdev:
if (logdev_file)
- fput(logdev_file);
+ bdev_fput(logdev_file);
return error;
}
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c3e8f7cf96be9..172c918799995 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1505,16 +1505,6 @@ struct blk_holder_ops {
* Thaw the file system mounted on the block device.
*/
int (*thaw)(struct block_device *bdev);
-
- /*
- * If needed, get a reference to the holder.
- */
- void (*get_holder)(void *holder);
-
- /*
- * Release the holder.
- */
- void (*put_holder)(void *holder);
};
/*
@@ -1585,6 +1575,7 @@ static inline int early_lookup_bdev(const char *pathname, dev_t *dev)
int bdev_freeze(struct block_device *bdev);
int bdev_thaw(struct block_device *bdev);
+void bdev_fput(struct file *bdev_file);
struct io_comp_batch {
struct request *req_list;
--
GitLab
From 075ec164740172ec7f1fc80c2cb79f7ec1c9451a Mon Sep 17 00:00:00 2001
From: lima1002 <li.ma@amd.com>
Date: Thu, 25 Jan 2024 15:53:16 +0800
Subject: [PATCH 1703/2686] drm/amd/swsmu: add smu 14.0.1 vcn and jpeg msg
add new vcn and jpeg msg
v2: squash in updates (Alex)
v3: rework code for better compat with other smu14.x variants (Alex)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: lima1002 <li.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../pm/swsmu/inc/pmfw_if/smu_v14_0_0_ppsmc.h | 28 +++++------
drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h | 10 ++++
.../gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c | 50 ++++++++++++++++---
.../drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c | 21 +++++---
4 files changed, 82 insertions(+), 27 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v14_0_0_ppsmc.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v14_0_0_ppsmc.h
index 8a8a57c56bc0c..ca7ce4251482d 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v14_0_0_ppsmc.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v14_0_0_ppsmc.h
@@ -54,14 +54,14 @@
#define PPSMC_MSG_TestMessage 0x01 ///< To check if PMFW is alive and responding. Requirement specified by PMFW team
#define PPSMC_MSG_GetPmfwVersion 0x02 ///< Get PMFW version
#define PPSMC_MSG_GetDriverIfVersion 0x03 ///< Get PMFW_DRIVER_IF version
-#define PPSMC_MSG_SPARE0 0x04 ///< SPARE
-#define PPSMC_MSG_SPARE1 0x05 ///< SPARE
-#define PPSMC_MSG_PowerDownVcn 0x06 ///< Power down VCN
-#define PPSMC_MSG_PowerUpVcn 0x07 ///< Power up VCN; VCN is power gated by default
-#define PPSMC_MSG_SetHardMinVcn 0x08 ///< For wireless display
+#define PPSMC_MSG_PowerDownVcn1 0x04 ///< Power down VCN1
+#define PPSMC_MSG_PowerUpVcn1 0x05 ///< Power up VCN1; VCN1 is power gated by default
+#define PPSMC_MSG_PowerDownVcn0 0x06 ///< Power down VCN0
+#define PPSMC_MSG_PowerUpVcn0 0x07 ///< Power up VCN0; VCN0 is power gated by default
+#define PPSMC_MSG_SetHardMinVcn0 0x08 ///< For wireless display
#define PPSMC_MSG_SetSoftMinGfxclk 0x09 ///< Set SoftMin for GFXCLK, argument is frequency in MHz
-#define PPSMC_MSG_SPARE2 0x0A ///< SPARE
-#define PPSMC_MSG_SPARE3 0x0B ///< SPARE
+#define PPSMC_MSG_SetHardMinVcn1 0x0A ///< For wireless display
+#define PPSMC_MSG_SetSoftMinVcn1 0x0B ///< Set soft min for VCN1 clocks (VCLK1 and DCLK1)
#define PPSMC_MSG_PrepareMp1ForUnload 0x0C ///< Prepare PMFW for GFX driver unload
#define PPSMC_MSG_SetDriverDramAddrHigh 0x0D ///< Set high 32 bits of DRAM address for Driver table transfer
#define PPSMC_MSG_SetDriverDramAddrLow 0x0E ///< Set low 32 bits of DRAM address for Driver table transfer
@@ -71,7 +71,7 @@
#define PPSMC_MSG_GetEnabledSmuFeatures 0x12 ///< Get enabled features in PMFW
#define PPSMC_MSG_SetHardMinSocclkByFreq 0x13 ///< Set hard min for SOC CLK
#define PPSMC_MSG_SetSoftMinFclk 0x14 ///< Set hard min for FCLK
-#define PPSMC_MSG_SetSoftMinVcn 0x15 ///< Set soft min for VCN clocks (VCLK and DCLK)
+#define PPSMC_MSG_SetSoftMinVcn0 0x15 ///< Set soft min for VCN0 clocks (VCLK0 and DCLK0)
#define PPSMC_MSG_EnableGfxImu 0x16 ///< Enable GFX IMU
@@ -84,17 +84,17 @@
#define PPSMC_MSG_SetSoftMaxSocclkByFreq 0x1D ///< Set soft max for SOC CLK
#define PPSMC_MSG_SetSoftMaxFclkByFreq 0x1E ///< Set soft max for FCLK
-#define PPSMC_MSG_SetSoftMaxVcn 0x1F ///< Set soft max for VCN clocks (VCLK and DCLK)
+#define PPSMC_MSG_SetSoftMaxVcn0 0x1F ///< Set soft max for VCN0 clocks (VCLK0 and DCLK0)
#define PPSMC_MSG_spare_0x20 0x20
-#define PPSMC_MSG_PowerDownJpeg 0x21 ///< Power down Jpeg
-#define PPSMC_MSG_PowerUpJpeg 0x22 ///< Power up Jpeg; VCN is power gated by default
+#define PPSMC_MSG_PowerDownJpeg0 0x21 ///< Power down Jpeg of VCN0
+#define PPSMC_MSG_PowerUpJpeg0 0x22 ///< Power up Jpeg of VCN0; VCN0 is power gated by default
#define PPSMC_MSG_SetHardMinFclkByFreq 0x23 ///< Set hard min for FCLK
#define PPSMC_MSG_SetSoftMinSocclkByFreq 0x24 ///< Set soft min for SOC CLK
#define PPSMC_MSG_AllowZstates 0x25 ///< Inform PMFM of allowing Zstate entry, i.e. no Miracast activity
-#define PPSMC_MSG_Reserved 0x26 ///< Not used
-#define PPSMC_MSG_Reserved1 0x27 ///< Not used, previously PPSMC_MSG_RequestActiveWgp
-#define PPSMC_MSG_Reserved2 0x28 ///< Not used, previously PPSMC_MSG_QueryActiveWgp
+#define PPSMC_MSG_PowerDownJpeg1 0x26 ///< Power down Jpeg of VCN1
+#define PPSMC_MSG_PowerUpJpeg1 0x27 ///< Power up Jpeg of VCN1; VCN1 is power gated by default
+#define PPSMC_MSG_SetSoftMaxVcn1 0x28 ///< Set soft max for VCN1 clocks (VCLK1 and DCLK1)
#define PPSMC_MSG_PowerDownIspByTile 0x29 ///< ISP is power gated by default
#define PPSMC_MSG_PowerUpIspByTile 0x2A ///< This message is used to power up ISP tiles and enable the ISP DPM
#define PPSMC_MSG_SetHardMinIspiclkByFreq 0x2B ///< Set HardMin by frequency for ISPICLK
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
index a941fdbf78b6b..af427cc7dbb84 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
@@ -115,6 +115,10 @@
__SMU_DUMMY_MAP(PowerDownVcn), \
__SMU_DUMMY_MAP(PowerUpJpeg), \
__SMU_DUMMY_MAP(PowerDownJpeg), \
+ __SMU_DUMMY_MAP(PowerUpJpeg0), \
+ __SMU_DUMMY_MAP(PowerDownJpeg0), \
+ __SMU_DUMMY_MAP(PowerUpJpeg1), \
+ __SMU_DUMMY_MAP(PowerDownJpeg1), \
__SMU_DUMMY_MAP(BacoAudioD3PME), \
__SMU_DUMMY_MAP(ArmD3), \
__SMU_DUMMY_MAP(RunDcBtc), \
@@ -135,6 +139,8 @@
__SMU_DUMMY_MAP(PowerUpSdma), \
__SMU_DUMMY_MAP(SetHardMinIspclkByFreq), \
__SMU_DUMMY_MAP(SetHardMinVcn), \
+ __SMU_DUMMY_MAP(SetHardMinVcn0), \
+ __SMU_DUMMY_MAP(SetHardMinVcn1), \
__SMU_DUMMY_MAP(SetAllowFclkSwitch), \
__SMU_DUMMY_MAP(SetMinVideoGfxclkFreq), \
__SMU_DUMMY_MAP(ActiveProcessNotify), \
@@ -150,6 +156,8 @@
__SMU_DUMMY_MAP(SetPhyclkVoltageByFreq), \
__SMU_DUMMY_MAP(SetDppclkVoltageByFreq), \
__SMU_DUMMY_MAP(SetSoftMinVcn), \
+ __SMU_DUMMY_MAP(SetSoftMinVcn0), \
+ __SMU_DUMMY_MAP(SetSoftMinVcn1), \
__SMU_DUMMY_MAP(EnablePostCode), \
__SMU_DUMMY_MAP(GetGfxclkFrequency), \
__SMU_DUMMY_MAP(GetFclkFrequency), \
@@ -161,6 +169,8 @@
__SMU_DUMMY_MAP(SetSoftMaxSocclkByFreq), \
__SMU_DUMMY_MAP(SetSoftMaxFclkByFreq), \
__SMU_DUMMY_MAP(SetSoftMaxVcn), \
+ __SMU_DUMMY_MAP(SetSoftMaxVcn0), \
+ __SMU_DUMMY_MAP(SetSoftMaxVcn1), \
__SMU_DUMMY_MAP(PowerGateMmHub), \
__SMU_DUMMY_MAP(UpdatePmeRestore), \
__SMU_DUMMY_MAP(GpuChangeState), \
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c
index b06a3cc433054..9e39f99154f94 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c
@@ -1402,9 +1402,22 @@ int smu_v14_0_set_vcn_enable(struct smu_context *smu,
if (adev->vcn.harvest_config & (1 << i))
continue;
- ret = smu_cmn_send_smc_msg_with_param(smu, enable ?
- SMU_MSG_PowerUpVcn : SMU_MSG_PowerDownVcn,
- i << 16U, NULL);
+ if (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 0) ||
+ amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 1)) {
+ if (i == 0)
+ ret = smu_cmn_send_smc_msg_with_param(smu, enable ?
+ SMU_MSG_PowerUpVcn0 : SMU_MSG_PowerDownVcn0,
+ i << 16U, NULL);
+ else if (i == 1)
+ ret = smu_cmn_send_smc_msg_with_param(smu, enable ?
+ SMU_MSG_PowerUpVcn1 : SMU_MSG_PowerDownVcn1,
+ i << 16U, NULL);
+ } else {
+ ret = smu_cmn_send_smc_msg_with_param(smu, enable ?
+ SMU_MSG_PowerUpVcn : SMU_MSG_PowerDownVcn,
+ i << 16U, NULL);
+ }
+
if (ret)
return ret;
}
@@ -1415,9 +1428,34 @@ int smu_v14_0_set_vcn_enable(struct smu_context *smu,
int smu_v14_0_set_jpeg_enable(struct smu_context *smu,
bool enable)
{
- return smu_cmn_send_smc_msg_with_param(smu, enable ?
- SMU_MSG_PowerUpJpeg : SMU_MSG_PowerDownJpeg,
- 0, NULL);
+ struct amdgpu_device *adev = smu->adev;
+ int i, ret = 0;
+
+ for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
+ if (adev->jpeg.harvest_config & (1 << i))
+ continue;
+
+ if (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 0) ||
+ amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 1)) {
+ if (i == 0)
+ ret = smu_cmn_send_smc_msg_with_param(smu, enable ?
+ SMU_MSG_PowerUpJpeg0 : SMU_MSG_PowerDownJpeg0,
+ i << 16U, NULL);
+ else if (i == 1 && amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 1))
+ ret = smu_cmn_send_smc_msg_with_param(smu, enable ?
+ SMU_MSG_PowerUpJpeg1 : SMU_MSG_PowerDownJpeg1,
+ i << 16U, NULL);
+ } else {
+ ret = smu_cmn_send_smc_msg_with_param(smu, enable ?
+ SMU_MSG_PowerUpJpeg : SMU_MSG_PowerDownJpeg,
+ i << 16U, NULL);
+ }
+
+ if (ret)
+ return ret;
+ }
+
+ return ret;
}
int smu_v14_0_run_btc(struct smu_context *smu)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c
index 9310c4758e38c..d6de6d97286c6 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c
@@ -70,9 +70,12 @@ static struct cmn2asic_msg_mapping smu_v14_0_0_message_map[SMU_MSG_MAX_COUNT] =
MSG_MAP(TestMessage, PPSMC_MSG_TestMessage, 1),
MSG_MAP(GetSmuVersion, PPSMC_MSG_GetPmfwVersion, 1),
MSG_MAP(GetDriverIfVersion, PPSMC_MSG_GetDriverIfVersion, 1),
- MSG_MAP(PowerDownVcn, PPSMC_MSG_PowerDownVcn, 1),
- MSG_MAP(PowerUpVcn, PPSMC_MSG_PowerUpVcn, 1),
- MSG_MAP(SetHardMinVcn, PPSMC_MSG_SetHardMinVcn, 1),
+ MSG_MAP(PowerDownVcn0, PPSMC_MSG_PowerDownVcn0, 1),
+ MSG_MAP(PowerUpVcn0, PPSMC_MSG_PowerUpVcn0, 1),
+ MSG_MAP(SetHardMinVcn0, PPSMC_MSG_SetHardMinVcn0, 1),
+ MSG_MAP(PowerDownVcn1, PPSMC_MSG_PowerDownVcn1, 1),
+ MSG_MAP(PowerUpVcn1, PPSMC_MSG_PowerUpVcn1, 1),
+ MSG_MAP(SetHardMinVcn1, PPSMC_MSG_SetHardMinVcn1, 1),
MSG_MAP(SetSoftMinGfxclk, PPSMC_MSG_SetSoftMinGfxclk, 1),
MSG_MAP(PrepareMp1ForUnload, PPSMC_MSG_PrepareMp1ForUnload, 1),
MSG_MAP(SetDriverDramAddrHigh, PPSMC_MSG_SetDriverDramAddrHigh, 1),
@@ -83,7 +86,8 @@ static struct cmn2asic_msg_mapping smu_v14_0_0_message_map[SMU_MSG_MAX_COUNT] =
MSG_MAP(GetEnabledSmuFeatures, PPSMC_MSG_GetEnabledSmuFeatures, 1),
MSG_MAP(SetHardMinSocclkByFreq, PPSMC_MSG_SetHardMinSocclkByFreq, 1),
MSG_MAP(SetSoftMinFclk, PPSMC_MSG_SetSoftMinFclk, 1),
- MSG_MAP(SetSoftMinVcn, PPSMC_MSG_SetSoftMinVcn, 1),
+ MSG_MAP(SetSoftMinVcn0, PPSMC_MSG_SetSoftMinVcn0, 1),
+ MSG_MAP(SetSoftMinVcn1, PPSMC_MSG_SetSoftMinVcn1, 1),
MSG_MAP(EnableGfxImu, PPSMC_MSG_EnableGfxImu, 1),
MSG_MAP(AllowGfxOff, PPSMC_MSG_AllowGfxOff, 1),
MSG_MAP(DisallowGfxOff, PPSMC_MSG_DisallowGfxOff, 1),
@@ -91,9 +95,12 @@ static struct cmn2asic_msg_mapping smu_v14_0_0_message_map[SMU_MSG_MAX_COUNT] =
MSG_MAP(SetHardMinGfxClk, PPSMC_MSG_SetHardMinGfxClk, 1),
MSG_MAP(SetSoftMaxSocclkByFreq, PPSMC_MSG_SetSoftMaxSocclkByFreq, 1),
MSG_MAP(SetSoftMaxFclkByFreq, PPSMC_MSG_SetSoftMaxFclkByFreq, 1),
- MSG_MAP(SetSoftMaxVcn, PPSMC_MSG_SetSoftMaxVcn, 1),
- MSG_MAP(PowerDownJpeg, PPSMC_MSG_PowerDownJpeg, 1),
- MSG_MAP(PowerUpJpeg, PPSMC_MSG_PowerUpJpeg, 1),
+ MSG_MAP(SetSoftMaxVcn0, PPSMC_MSG_SetSoftMaxVcn0, 1),
+ MSG_MAP(SetSoftMaxVcn1, PPSMC_MSG_SetSoftMaxVcn1, 1),
+ MSG_MAP(PowerDownJpeg0, PPSMC_MSG_PowerDownJpeg0, 1),
+ MSG_MAP(PowerUpJpeg0, PPSMC_MSG_PowerUpJpeg0, 1),
+ MSG_MAP(PowerDownJpeg1, PPSMC_MSG_PowerDownJpeg1, 1),
+ MSG_MAP(PowerUpJpeg1, PPSMC_MSG_PowerUpJpeg1, 1),
MSG_MAP(SetHardMinFclkByFreq, PPSMC_MSG_SetHardMinFclkByFreq, 1),
MSG_MAP(SetSoftMinSocclkByFreq, PPSMC_MSG_SetSoftMinSocclkByFreq, 1),
MSG_MAP(PowerDownIspByTile, PPSMC_MSG_PowerDownIspByTile, 1),
--
GitLab
From 9d7993a7ab9651afd5fb295a4992e511b2b727aa Mon Sep 17 00:00:00 2001
From: Mukul Joshi <mukul.joshi@amd.com>
Date: Mon, 12 Feb 2024 10:40:55 -0500
Subject: [PATCH 1704/2686] drm/amdkfd: Check cgroup when returning DMABuf info
Check cgroup permissions when returning DMA-buf info and
based on cgroup info return the GPU id of the GPU that have
access to the BO.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index dfa8c69532d47..f9631f4b1a02c 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1523,7 +1523,7 @@ static int kfd_ioctl_get_dmabuf_info(struct file *filep,
/* Find a KFD GPU device that supports the get_dmabuf_info query */
for (i = 0; kfd_topology_enum_kfd_devices(i, &dev) == 0; i++)
- if (dev)
+ if (dev && !kfd_devcgroup_check_permission(dev))
break;
if (!dev)
return -EINVAL;
@@ -1545,7 +1545,7 @@ static int kfd_ioctl_get_dmabuf_info(struct file *filep,
if (xcp_id >= 0)
args->gpu_id = dmabuf_adev->kfd.dev->nodes[xcp_id]->id;
else
- args->gpu_id = dmabuf_adev->kfd.dev->nodes[0]->id;
+ args->gpu_id = dev->id;
args->flags = flags;
/* Copy metadata buffer to user mode */
--
GitLab
From a99d81937526d60796a4462de459a85146851ccf Mon Sep 17 00:00:00 2001
From: Natanel Roizenman <natanel.roizenman@amd.com>
Date: Wed, 6 Mar 2024 12:38:54 -0500
Subject: [PATCH 1705/2686] drm/amd/display: Increase Z8 watermark times.
Increase Z8 watermark times from 210->250us and 320->350us.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Natanel Roizenman <natanel.roizenman@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c | 4 ++--
drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
index 80bebfc268db0..21e0eef3269b1 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c
@@ -166,8 +166,8 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_5_soc = {
.num_states = 5,
.sr_exit_time_us = 28.0,
.sr_enter_plus_exit_time_us = 30.0,
- .sr_exit_z8_time_us = 210.0,
- .sr_enter_plus_exit_z8_time_us = 320.0,
+ .sr_exit_z8_time_us = 250.0,
+ .sr_enter_plus_exit_z8_time_us = 350.0,
.fclk_change_latency_us = 24.0,
.usr_retraining_latency_us = 2,
.writeback_latency_us = 12.0,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c
index dc9e1b758ed6a..7bd67f6b15955 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c
@@ -145,8 +145,8 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_51_soc = {
.num_states = 5,
.sr_exit_time_us = 28.0,
.sr_enter_plus_exit_time_us = 30.0,
- .sr_exit_z8_time_us = 210.0,
- .sr_enter_plus_exit_z8_time_us = 320.0,
+ .sr_exit_z8_time_us = 250.0,
+ .sr_enter_plus_exit_z8_time_us = 350.0,
.fclk_change_latency_us = 24.0,
.usr_retraining_latency_us = 2,
.writeback_latency_us = 12.0,
--
GitLab
From 72d72e8fddbcd6c98e1b02d32cf6f2b04e10bd1c Mon Sep 17 00:00:00 2001
From: Chris Park <chris.park@amd.com>
Date: Tue, 5 Mar 2024 17:41:15 -0500
Subject: [PATCH 1706/2686] drm/amd/display: Prevent crash when disable stream
[Why]
Disabling stream encoder invokes a function that no longer exists.
[How]
Check if the function declaration is NULL in disable stream encoder.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Chris Park <chris.park@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
index 9d5df4c0da597..0ba1feaf96c0d 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
@@ -1185,7 +1185,8 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx)
if (dccg) {
dccg->funcs->disable_symclk32_se(dccg, dp_hpo_inst);
dccg->funcs->set_dpstreamclk(dccg, REFCLK, tg->inst, dp_hpo_inst);
- dccg->funcs->set_dtbclk_dto(dccg, &dto_params);
+ if (dccg && dccg->funcs->set_dtbclk_dto)
+ dccg->funcs->set_dtbclk_dto(dccg, &dto_params);
}
} else if (dccg && dccg->funcs->disable_symclk_se) {
dccg->funcs->disable_symclk_se(dccg, stream_enc->stream_enc_inst,
--
GitLab
From 02c825dcc621b0178d548cacc56e3fd0313b5fd9 Mon Sep 17 00:00:00 2001
From: Xi Liu <xi.liu@amd.com>
Date: Thu, 7 Mar 2024 11:51:56 -0500
Subject: [PATCH 1707/2686] drm/amd/display: increase bb clock for DCN351
[Why and how]
Bounding box clocks for DCN351 should be increased as per request
Reviewed-by: Swapnil Patel <swapnil.patel@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Xi Liu <xi.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../amd/display/dc/dml/dcn351/dcn351_fpu.c | 90 ++++++++++++++++---
1 file changed, 76 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c
index 7bd67f6b15955..b6246406a0423 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c
@@ -98,51 +98,110 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_51_soc = {
.clock_limits = {
{
.state = 0,
- .dispclk_mhz = 1200.0,
- .dppclk_mhz = 1200.0,
+ .dcfclk_mhz = 400.0,
+ .fabricclk_mhz = 400.0,
+ .socclk_mhz = 600.0,
+ .dram_speed_mts = 3200.0,
+ .dispclk_mhz = 600.0,
+ .dppclk_mhz = 600.0,
.phyclk_mhz = 600.0,
.phyclk_d18_mhz = 667.0,
- .dscclk_mhz = 186.0,
+ .dscclk_mhz = 200.0,
.dtbclk_mhz = 600.0,
},
{
.state = 1,
- .dispclk_mhz = 1200.0,
- .dppclk_mhz = 1200.0,
+ .dcfclk_mhz = 600.0,
+ .fabricclk_mhz = 1000.0,
+ .socclk_mhz = 733.0,
+ .dram_speed_mts = 6400.0,
+ .dispclk_mhz = 800.0,
+ .dppclk_mhz = 800.0,
.phyclk_mhz = 810.0,
.phyclk_d18_mhz = 667.0,
- .dscclk_mhz = 209.0,
+ .dscclk_mhz = 266.7,
.dtbclk_mhz = 600.0,
},
{
.state = 2,
- .dispclk_mhz = 1200.0,
- .dppclk_mhz = 1200.0,
+ .dcfclk_mhz = 738.0,
+ .fabricclk_mhz = 1200.0,
+ .socclk_mhz = 880.0,
+ .dram_speed_mts = 7500.0,
+ .dispclk_mhz = 800.0,
+ .dppclk_mhz = 800.0,
.phyclk_mhz = 810.0,
.phyclk_d18_mhz = 667.0,
- .dscclk_mhz = 209.0,
+ .dscclk_mhz = 266.7,
.dtbclk_mhz = 600.0,
},
{
.state = 3,
- .dispclk_mhz = 1200.0,
- .dppclk_mhz = 1200.0,
+ .dcfclk_mhz = 800.0,
+ .fabricclk_mhz = 1400.0,
+ .socclk_mhz = 978.0,
+ .dram_speed_mts = 7500.0,
+ .dispclk_mhz = 960.0,
+ .dppclk_mhz = 960.0,
.phyclk_mhz = 810.0,
.phyclk_d18_mhz = 667.0,
- .dscclk_mhz = 371.0,
+ .dscclk_mhz = 320.0,
.dtbclk_mhz = 600.0,
},
{
.state = 4,
+ .dcfclk_mhz = 873.0,
+ .fabricclk_mhz = 1600.0,
+ .socclk_mhz = 1100.0,
+ .dram_speed_mts = 8533.0,
+ .dispclk_mhz = 1066.7,
+ .dppclk_mhz = 1066.7,
+ .phyclk_mhz = 810.0,
+ .phyclk_d18_mhz = 667.0,
+ .dscclk_mhz = 355.6,
+ .dtbclk_mhz = 600.0,
+ },
+ {
+ .state = 5,
+ .dcfclk_mhz = 960.0,
+ .fabricclk_mhz = 1700.0,
+ .socclk_mhz = 1257.0,
+ .dram_speed_mts = 8533.0,
.dispclk_mhz = 1200.0,
.dppclk_mhz = 1200.0,
.phyclk_mhz = 810.0,
.phyclk_d18_mhz = 667.0,
- .dscclk_mhz = 417.0,
+ .dscclk_mhz = 400.0,
+ .dtbclk_mhz = 600.0,
+ },
+ {
+ .state = 6,
+ .dcfclk_mhz = 1067.0,
+ .fabricclk_mhz = 1850.0,
+ .socclk_mhz = 1257.0,
+ .dram_speed_mts = 8533.0,
+ .dispclk_mhz = 1371.4,
+ .dppclk_mhz = 1371.4,
+ .phyclk_mhz = 810.0,
+ .phyclk_d18_mhz = 667.0,
+ .dscclk_mhz = 457.1,
+ .dtbclk_mhz = 600.0,
+ },
+ {
+ .state = 7,
+ .dcfclk_mhz = 1200.0,
+ .fabricclk_mhz = 2000.0,
+ .socclk_mhz = 1467.0,
+ .dram_speed_mts = 8533.0,
+ .dispclk_mhz = 1600.0,
+ .dppclk_mhz = 1600.0,
+ .phyclk_mhz = 810.0,
+ .phyclk_d18_mhz = 667.0,
+ .dscclk_mhz = 533.3,
.dtbclk_mhz = 600.0,
},
},
- .num_states = 5,
+ .num_states = 8,
.sr_exit_time_us = 28.0,
.sr_enter_plus_exit_time_us = 30.0,
.sr_exit_z8_time_us = 250.0,
@@ -177,6 +236,9 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_51_soc = {
.do_urgent_latency_adjustment = 0,
.urgent_latency_adjustment_fabric_clock_component_us = 0,
.urgent_latency_adjustment_fabric_clock_reference_mhz = 0,
+ .num_chans = 4,
+ .dram_clock_change_latency_us = 11.72,
+ .dispclk_dppclk_vco_speed_mhz = 2400.0,
};
/*
--
GitLab
From eed14eb48ee176fe0144c6a999d00c855d0b199b Mon Sep 17 00:00:00 2001
From: Peyton Lee <peytolee@amd.com>
Date: Wed, 13 Mar 2024 16:53:49 +0800
Subject: [PATCH 1708/2686] drm/amdgpu/vpe: power on vpe when hw_init
To fix mode2 reset failure.
Should power on VPE when hw_init.
Signed-off-by: Peyton Lee <peytolee@amd.com>
Reviewed-by: Lang Yu <lang.yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c
index 7a65a2b128ec4..6695481f870f8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c
@@ -396,6 +396,12 @@ static int vpe_hw_init(void *handle)
struct amdgpu_vpe *vpe = &adev->vpe;
int ret;
+ /* Power on VPE */
+ ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VPE,
+ AMD_PG_STATE_UNGATE);
+ if (ret)
+ return ret;
+
ret = vpe_load_microcode(vpe);
if (ret)
return ret;
--
GitLab
From 1210e2f1033dc56b666c9f6dfb761a2d3f9f5d6c Mon Sep 17 00:00:00 2001
From: Eric Huang <jinhuieric.huang@amd.com>
Date: Wed, 20 Mar 2024 15:53:47 -0400
Subject: [PATCH 1709/2686] drm/amdkfd: fix TLB flush after unmap for GFX9.4.2
TLB flush after unmap accidentially was removed on
gfx9.4.2. It is to add it back.
Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 42d40560cd30d..a81ef232fdef9 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -1473,7 +1473,7 @@ static inline void kfd_flush_tlb(struct kfd_process_device *pdd,
static inline bool kfd_flush_tlb_after_unmap(struct kfd_dev *dev)
{
- return KFD_GC_VERSION(dev) > IP_VERSION(9, 4, 2) ||
+ return KFD_GC_VERSION(dev) >= IP_VERSION(9, 4, 2) ||
(KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) && dev->sdma_fw_version >= 18) ||
KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0);
}
--
GitLab
From 78aca9ee5e012e130dbfbd7191bc2302b0cf3b37 Mon Sep 17 00:00:00 2001
From: Harry Wentland <harry.wentland@amd.com>
Date: Tue, 12 Mar 2024 11:21:32 -0400
Subject: [PATCH 1710/2686] Revert "drm/amd/display: Fix sending VSC (+
colorimetry) packets for DP/eDP displays without PSR"
This causes flicker on a bunch of eDP panels. The info_packet code
also caused regressions on other OSes that we haven't' seen on Linux
yet, but that is likely due to the fact that we haven't had a chance
to test those environments on Linux.
We'll need to revisit this.
This reverts commit 202260f64519e591b5cd99626e441b6559f571a3.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3207
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3151
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 8 +++-----
.../amd/display/modules/info_packet/info_packet.c | 13 +++++--------
2 files changed, 8 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 2851719d71216..71d2d44681b21 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6305,9 +6305,8 @@ create_stream_for_sink(struct drm_connector *connector,
if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A)
mod_build_hf_vsif_infopacket(stream, &stream->vsp_infopacket);
- else if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT ||
- stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST ||
- stream->signal == SIGNAL_TYPE_EDP) {
+
+ if (stream->link->psr_settings.psr_feature_enabled || stream->link->replay_settings.replay_feature_enabled) {
//
// should decide stream support vsc sdp colorimetry capability
// before building vsc info packet
@@ -6323,9 +6322,8 @@ create_stream_for_sink(struct drm_connector *connector,
if (stream->out_transfer_func->tf == TRANSFER_FUNCTION_GAMMA22)
tf = TRANSFER_FUNC_GAMMA_22;
mod_build_vsc_infopacket(stream, &stream->vsc_infopacket, stream->output_color_space, tf);
+ aconnector->psr_skip_count = AMDGPU_DM_PSR_ENTRY_DELAY;
- if (stream->link->psr_settings.psr_feature_enabled)
- aconnector->psr_skip_count = AMDGPU_DM_PSR_ENTRY_DELAY;
}
finish:
dc_sink_release(sink);
diff --git a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
index 738ee763f24a5..84f9b412a4f11 100644
--- a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
+++ b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
@@ -147,15 +147,12 @@ void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
}
/* VSC packet set to 4 for PSR-SU, or 2 for PSR1 */
- if (stream->link->psr_settings.psr_feature_enabled) {
- if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_SU_1)
- vsc_packet_revision = vsc_packet_rev4;
- else if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_1)
- vsc_packet_revision = vsc_packet_rev2;
- }
-
- if (stream->link->replay_settings.config.replay_supported)
+ if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_SU_1)
+ vsc_packet_revision = vsc_packet_rev4;
+ else if (stream->link->replay_settings.config.replay_supported)
vsc_packet_revision = vsc_packet_rev4;
+ else if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_1)
+ vsc_packet_revision = vsc_packet_rev2;
/* Update to revision 5 for extended colorimetry support */
if (stream->use_vsc_sdp_for_colorimetry)
--
GitLab
From 0cac183b98d8a8c692c98e8dba37df15a9e9210d Mon Sep 17 00:00:00 2001
From: Jonathan Kim <Jonathan.Kim@amd.com>
Date: Fri, 1 Mar 2024 12:25:17 -0500
Subject: [PATCH 1711/2686] drm/amdkfd: range check cp bad op exception
interrupts
Due to a CP interrupt bug, bad packet garbage exception codes are raised.
Do a range check so that the debugger and runtime do not receive garbage
codes.
Update the user api to guard exception code type checking as well.
Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Tested-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../gpu/drm/amd/amdkfd/kfd_int_process_v10.c | 3 ++-
.../gpu/drm/amd/amdkfd/kfd_int_process_v11.c | 3 ++-
drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c | 3 ++-
include/uapi/linux/kfd_ioctl.h | 17 ++++++++++++++---
4 files changed, 20 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v10.c b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v10.c
index 9a06c6fb66058..40a21be6c07c9 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v10.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v10.c
@@ -339,7 +339,8 @@ static void event_interrupt_wq_v10(struct kfd_node *dev,
break;
}
kfd_signal_event_interrupt(pasid, context_id0 & 0x7fffff, 23);
- } else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE) {
+ } else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE &&
+ KFD_DBG_EC_TYPE_IS_PACKET(KFD_DEBUG_CP_BAD_OP_ECODE(context_id0))) {
kfd_set_dbg_ev_from_interrupt(dev, pasid,
KFD_DEBUG_DOORBELL_ID(context_id0),
KFD_EC_MASK(KFD_DEBUG_CP_BAD_OP_ECODE(context_id0)),
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v11.c b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v11.c
index 7e2859736a558..fe2ad0c0de954 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v11.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v11.c
@@ -328,7 +328,8 @@ static void event_interrupt_wq_v11(struct kfd_node *dev,
/* CP */
if (source_id == SOC15_INTSRC_CP_END_OF_PIPE)
kfd_signal_event_interrupt(pasid, context_id0, 32);
- else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE)
+ else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE &&
+ KFD_DBG_EC_TYPE_IS_PACKET(KFD_CTXID0_CP_BAD_OP_ECODE(context_id0)))
kfd_set_dbg_ev_from_interrupt(dev, pasid,
KFD_CTXID0_DOORBELL_ID(context_id0),
KFD_EC_MASK(KFD_CTXID0_CP_BAD_OP_ECODE(context_id0)),
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c
index 91dd5e045b511..c4c6a29052ac8 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c
@@ -388,7 +388,8 @@ static void event_interrupt_wq_v9(struct kfd_node *dev,
break;
}
kfd_signal_event_interrupt(pasid, sq_int_data, 24);
- } else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE) {
+ } else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE &&
+ KFD_DBG_EC_TYPE_IS_PACKET(KFD_DEBUG_CP_BAD_OP_ECODE(context_id0))) {
kfd_set_dbg_ev_from_interrupt(dev, pasid,
KFD_DEBUG_DOORBELL_ID(context_id0),
KFD_EC_MASK(KFD_DEBUG_CP_BAD_OP_ECODE(context_id0)),
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h
index 9ce46edc62a5b..2040a470ddb41 100644
--- a/include/uapi/linux/kfd_ioctl.h
+++ b/include/uapi/linux/kfd_ioctl.h
@@ -913,14 +913,25 @@ enum kfd_dbg_trap_exception_code {
KFD_EC_MASK(EC_DEVICE_NEW))
#define KFD_EC_MASK_PROCESS (KFD_EC_MASK(EC_PROCESS_RUNTIME) | \
KFD_EC_MASK(EC_PROCESS_DEVICE_REMOVE))
+#define KFD_EC_MASK_PACKET (KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_DIM_INVALID) | \
+ KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID) | \
+ KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_CODE_INVALID) | \
+ KFD_EC_MASK(EC_QUEUE_PACKET_RESERVED) | \
+ KFD_EC_MASK(EC_QUEUE_PACKET_UNSUPPORTED) | \
+ KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID) | \
+ KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID) | \
+ KFD_EC_MASK(EC_QUEUE_PACKET_VENDOR_UNSUPPORTED))
/* Checks for exception code types for KFD search */
+#define KFD_DBG_EC_IS_VALID(ecode) (ecode > EC_NONE && ecode < EC_MAX)
#define KFD_DBG_EC_TYPE_IS_QUEUE(ecode) \
- (!!(KFD_EC_MASK(ecode) & KFD_EC_MASK_QUEUE))
+ (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_QUEUE))
#define KFD_DBG_EC_TYPE_IS_DEVICE(ecode) \
- (!!(KFD_EC_MASK(ecode) & KFD_EC_MASK_DEVICE))
+ (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_DEVICE))
#define KFD_DBG_EC_TYPE_IS_PROCESS(ecode) \
- (!!(KFD_EC_MASK(ecode) & KFD_EC_MASK_PROCESS))
+ (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_PROCESS))
+#define KFD_DBG_EC_TYPE_IS_PACKET(ecode) \
+ (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_PACKET))
/* Runtime enable states */
--
GitLab
From ca299b4512d4b4f516732a48ce9aa19d91f4473e Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@amd.com>
Date: Wed, 20 Mar 2024 13:32:21 -0500
Subject: [PATCH 1712/2686] drm/amd: Flush GFXOFF requests in prepare stage
If the system hasn't entered GFXOFF when suspend starts it can cause
hangs accessing GC and RLC during the suspend stage.
Cc: <stable@vger.kernel.org> # 6.1.y: 5095d5418193 ("drm/amd: Evict resources during PM ops prepare() callback")
Cc: <stable@vger.kernel.org> # 6.1.y: cb11ca3233aa ("drm/amd: Add concept of running prepare_suspend() sequence for IP blocks")
Cc: <stable@vger.kernel.org> # 6.1.y: 2ceec37b0e3d ("drm/amd: Add missing kernel doc for prepare_suspend()")
Cc: <stable@vger.kernel.org> # 6.1.y: 3a9626c816db ("drm/amd: Stop evicting resources on APUs in suspend")
Cc: <stable@vger.kernel.org> # 6.6.y: 5095d5418193 ("drm/amd: Evict resources during PM ops prepare() callback")
Cc: <stable@vger.kernel.org> # 6.6.y: cb11ca3233aa ("drm/amd: Add concept of running prepare_suspend() sequence for IP blocks")
Cc: <stable@vger.kernel.org> # 6.6.y: 2ceec37b0e3d ("drm/amd: Add missing kernel doc for prepare_suspend()")
Cc: <stable@vger.kernel.org> # 6.6.y: 3a9626c816db ("drm/amd: Stop evicting resources on APUs in suspend")
Cc: <stable@vger.kernel.org> # 6.1+
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3132
Fixes: ab4750332dbe ("drm/amdgpu/sdma5.2: add begin/end_use ring callbacks")
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 5dc24c971b41f..aa16d51dd8421 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4539,6 +4539,8 @@ int amdgpu_device_prepare(struct drm_device *dev)
if (r)
goto unprepare;
+ flush_delayed_work(&adev->gfx.gfx_off_delay_work);
+
for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
continue;
--
GitLab
From 1202f794cdaa4f0ba6a456bc034f2db6cfcf5579 Mon Sep 17 00:00:00 2001
From: Hamza Mahfooz <hamza.mahfooz@amd.com>
Date: Thu, 21 Mar 2024 16:09:21 -0400
Subject: [PATCH 1713/2686] drm/amd/display: fix IPX enablement
We need to re-enable idle power optimizations after entering PSR. Since,
we get kicked out of idle power optimizations before entering PSR
(entering PSR requires us to write to DCN registers, which isn't allowed
while we are in IPS).
Fixes: a9b1a4f684b3 ("drm/amd/display: Add more checks for exiting idle in DC")
Tested-by: Mark Broadworth <mark.broadworth@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c | 8 +++++---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.h | 2 +-
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
index 1f08c6564c3bf..286ecd28cc6e6 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
@@ -141,9 +141,8 @@ bool amdgpu_dm_link_setup_psr(struct dc_stream_state *stream)
* amdgpu_dm_psr_enable() - enable psr f/w
* @stream: stream state
*
- * Return: true if success
*/
-bool amdgpu_dm_psr_enable(struct dc_stream_state *stream)
+void amdgpu_dm_psr_enable(struct dc_stream_state *stream)
{
struct dc_link *link = stream->link;
unsigned int vsync_rate_hz = 0;
@@ -190,7 +189,10 @@ bool amdgpu_dm_psr_enable(struct dc_stream_state *stream)
if (link->psr_settings.psr_version < DC_PSR_VERSION_SU_1)
power_opt |= psr_power_opt_z10_static_screen;
- return dc_link_set_psr_allow_active(link, &psr_enable, false, false, &power_opt);
+ dc_link_set_psr_allow_active(link, &psr_enable, false, false, &power_opt);
+
+ if (link->ctx->dc->caps.ips_support)
+ dc_allow_idle_optimizations(link->ctx->dc, true);
}
/*
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.h
index 6806b3c9c84ba..1fdfd183c0d91 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.h
@@ -32,7 +32,7 @@
#define AMDGPU_DM_PSR_ENTRY_DELAY 5
void amdgpu_dm_set_psr_caps(struct dc_link *link);
-bool amdgpu_dm_psr_enable(struct dc_stream_state *stream);
+void amdgpu_dm_psr_enable(struct dc_stream_state *stream);
bool amdgpu_dm_link_setup_psr(struct dc_stream_state *stream);
bool amdgpu_dm_psr_disable(struct dc_stream_state *stream);
bool amdgpu_dm_psr_disable_all(struct amdgpu_display_manager *dm);
--
GitLab
From 09d62c7beb3b98c03b4fc2205bfa7b80c249157d Mon Sep 17 00:00:00 2001
From: Sung Joon Kim <sungkim@amd.com>
Date: Wed, 21 Feb 2024 16:47:06 -0500
Subject: [PATCH 1714/2686] drm/amd/display: Update dcn351 to latest dcn35
config
[why & how]
There were some fixes in dcn35 that need
to be ported over to dcn351 to prevent any
regression.
Signed-off-by: Sung Joon Kim <sungkim@amd.com>
Reviewed-by: Liu, Xi (Alex) <xiliu102@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c | 9 ++++++---
.../gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c | 2 +-
.../amd/display/dc/resource/dcn351/dcn351_resource.c | 11 ++++++++---
3 files changed, 15 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c
index b6246406a0423..b3ffab77cf889 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn351/dcn351_fpu.c
@@ -402,6 +402,8 @@ void dcn351_update_bw_bounding_box_fpu(struct dc *dc,
clock_limits[i].socclk_mhz;
dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].memclk_mhz =
clk_table->entries[i].memclk_mhz * clk_table->entries[i].wck_ratio;
+ dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dtbclk_mhz =
+ clock_limits[i].dtbclk_mhz;
dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dcfclk_levels =
clk_table->num_entries;
dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_fclk_levels =
@@ -414,6 +416,8 @@ void dcn351_update_bw_bounding_box_fpu(struct dc *dc,
clk_table->num_entries;
dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_memclk_levels =
clk_table->num_entries;
+ dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dtbclk_levels =
+ clk_table->num_entries;
}
}
@@ -613,6 +617,7 @@ void dcn351_decide_zstate_support(struct dc *dc, struct dc_state *context)
if (context->res_ctx.pipe_ctx[i].plane_state)
plane_count++;
}
+
/*dcn351 does not support z9/z10*/
if (context->stream_count == 0 || plane_count == 0) {
support = DCN_ZSTATE_SUPPORT_ALLOW_Z8_ONLY;
@@ -626,11 +631,9 @@ void dcn351_decide_zstate_support(struct dc *dc, struct dc_state *context)
dc->debug.minimum_z8_residency_time > 0 ? dc->debug.minimum_z8_residency_time : 1000;
bool allow_z8 = context->bw_ctx.dml.vba.StutterPeriod > (double)minmum_z8_residency;
-
/*for psr1/psr-su, we allow z8 and z10 based on latency, for replay with IPS enabled, it will enter ips2*/
- if (is_pwrseq0 && (is_psr || is_replay))
+ if (is_pwrseq0 && (is_psr || is_replay))
support = allow_z8 ? allow_z8 : DCN_ZSTATE_SUPPORT_DISALLOW;
-
}
context->bw_ctx.bw.dcn.clk.zstate_support = support;
}
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c
index ab17fa1c64e8c..670255c9bc822 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c
@@ -67,7 +67,7 @@ static const struct hw_sequencer_funcs dcn351_funcs = {
.prepare_bandwidth = dcn35_prepare_bandwidth,
.optimize_bandwidth = dcn35_optimize_bandwidth,
.update_bandwidth = dcn20_update_bandwidth,
- .set_drr = dcn10_set_drr,
+ .set_drr = dcn35_set_drr,
.get_position = dcn10_get_position,
.set_static_screen_control = dcn35_set_static_screen_control,
.setup_stereo = dcn10_setup_stereo,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
index 5b486400dfdb5..909e14261f9b4 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
@@ -700,6 +700,8 @@ static const struct dc_debug_options debug_defaults_drv = {
.disable_dcc = DCC_ENABLE,
.disable_dpp_power_gate = true,
.disable_hubp_power_gate = true,
+ .disable_optc_power_gate = true, /*should the same as above two*/
+ .disable_hpo_power_gate = true, /*dmubfw force domain25 on*/
.disable_clock_gate = false,
.disable_dsc_power_gate = true,
.vsr_support = true,
@@ -742,12 +744,13 @@ static const struct dc_debug_options debug_defaults_drv = {
},
.seamless_boot_odm_combine = DML_FAIL_SOURCE_PIXEL_FORMAT,
.enable_z9_disable_interface = true, /* Allow support for the PMFW interface for disable Z9*/
+ .minimum_z8_residency_time = 2100,
.using_dml2 = true,
.support_eDP1_5 = true,
.enable_hpo_pg_support = false,
.enable_legacy_fast_update = true,
.enable_single_display_2to1_odm_policy = true,
- .disable_idle_power_optimizations = true,
+ .disable_idle_power_optimizations = false,
.dmcub_emulation = false,
.disable_boot_optimizations = false,
.disable_unbounded_requesting = false,
@@ -758,8 +761,10 @@ static const struct dc_debug_options debug_defaults_drv = {
.disable_z10 = true,
.ignore_pg = true,
.psp_disabled_wa = true,
- .ips2_eval_delay_us = 200,
- .ips2_entry_delay_us = 400
+ .ips2_eval_delay_us = 2000,
+ .ips2_entry_delay_us = 800,
+ .disable_dmub_reallow_idle = true,
+ .static_screen_wait_frames = 2,
};
static const struct dc_panel_config panel_config_defaults = {
--
GitLab
From 25358e04a43c33e6cd8dce528da1d624de915864 Mon Sep 17 00:00:00 2001
From: Taimur Hassan <syed.hassan@amd.com>
Date: Thu, 29 Feb 2024 09:52:05 -0500
Subject: [PATCH 1715/2686] drm/amd/display: Send DTBCLK disable message on
first commit
[Why]
Previous patch to allow DTBCLK disable didn't address boot case. Driver
thinks DTBCLK is disabled by default, so we don't send disable message to
PMFW. DTBCLK is then enabled at idle desktop on boot, burning power.
[How]
Set dtbclk_en to true on boot so that disable message is sent during first
commit.
Fixes: 27750e176a4f ("drm/amd/display: Allow DTBCLK disable for DCN35")
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Taimur Hassan <syed.hassan@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
index c378b879c76d8..ee5c4ee1ed664 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
@@ -73,6 +73,8 @@
#define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_SEL_MASK 0x00000007L
#define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_DIV_MASK 0x000F0000L
+#define SMU_VER_THRESHOLD 0x5D4A00 //93.74.0
+
#define REG(reg_name) \
(ctx->clk_reg_offsets[reg ## reg_name ## _BASE_IDX] + reg ## reg_name)
@@ -411,9 +413,12 @@ static void dcn35_dump_clk_registers(struct clk_state_registers_and_bypass *regs
static void init_clk_states(struct clk_mgr *clk_mgr)
{
+ struct clk_mgr_internal *clk_mgr_int = TO_CLK_MGR_INTERNAL(clk_mgr);
uint32_t ref_dtbclk = clk_mgr->clks.ref_dtbclk_khz;
memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks));
+ if (clk_mgr_int->smu_ver >= SMU_VER_THRESHOLD)
+ clk_mgr->clks.dtbclk_en = true; // request DTBCLK disable on first commit
clk_mgr->clks.ref_dtbclk_khz = ref_dtbclk; // restore ref_dtbclk
clk_mgr->clks.p_state_change_support = true;
clk_mgr->clks.prev_p_state_change_support = true;
--
GitLab
From fe869c2e53484a29ab241667606240b91db920ef Mon Sep 17 00:00:00 2001
From: Wenjing Liu <wenjing.liu@amd.com>
Date: Tue, 12 Mar 2024 15:31:59 -0400
Subject: [PATCH 1716/2686] drm/amd/display: fix a dereference of a NULL
pointer
[why&how]
In some platform out_transfer_func may not be popualted. We need to check
for null before dereferencing it.
Fixes: d2dea1f14038 ("drm/amd/display: Generalize new minimal transition path")
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index e7dc128f6284b..03b554e912a20 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3024,7 +3024,8 @@ static void backup_planes_and_stream_state(
scratch->blend_tf[i] = *status->plane_states[i]->blend_tf;
}
scratch->stream_state = *stream;
- scratch->out_transfer_func = *stream->out_transfer_func;
+ if (stream->out_transfer_func)
+ scratch->out_transfer_func = *stream->out_transfer_func;
}
static void restore_planes_and_stream_state(
@@ -3046,7 +3047,8 @@ static void restore_planes_and_stream_state(
*status->plane_states[i]->blend_tf = scratch->blend_tf[i];
}
*stream = scratch->stream_state;
- *stream->out_transfer_func = scratch->out_transfer_func;
+ if (stream->out_transfer_func)
+ *stream->out_transfer_func = scratch->out_transfer_func;
}
static bool update_planes_and_stream_state(struct dc *dc,
--
GitLab
From edfa93d87fc46913868481fe8ed3fb62c891ffb5 Mon Sep 17 00:00:00 2001
From: George Shen <george.shen@amd.com>
Date: Fri, 16 Feb 2024 19:37:03 -0500
Subject: [PATCH 1717/2686] drm/amd/display: Remove MPC rate control logic from
DCN30 and above
[Why]
MPC flow rate control is not needed for DCN30 and above. Current logic
that uses it can result in underflow for certain edge cases (such as
DSC N422 + ODM combine + 422 left edge pixel).
[How]
Remove MPC flow rate control logic and programming for DCN30 and above.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c | 54 +++++++++++--------
.../gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h | 14 ++---
.../gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c | 5 +-
.../amd/display/dc/hwss/dcn314/dcn314_hwseq.c | 41 --------------
.../amd/display/dc/hwss/dcn32/dcn32_hwseq.c | 41 --------------
.../amd/display/dc/hwss/dcn35/dcn35_hwseq.c | 41 --------------
6 files changed, 41 insertions(+), 155 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c
index bf3386cd444d6..5ebb573031304 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c
@@ -44,6 +44,36 @@
#define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0]))
+void mpc3_mpc_init(struct mpc *mpc)
+{
+ struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc);
+ int opp_id;
+
+ mpc1_mpc_init(mpc);
+
+ for (opp_id = 0; opp_id < MAX_OPP; opp_id++) {
+ if (REG(MUX[opp_id]))
+ /* disable mpc out rate and flow control */
+ REG_UPDATE_2(MUX[opp_id], MPC_OUT_RATE_CONTROL_DISABLE,
+ 1, MPC_OUT_FLOW_CONTROL_COUNT, 0);
+ }
+}
+
+void mpc3_mpc_init_single_inst(struct mpc *mpc, unsigned int mpcc_id)
+{
+ struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc);
+
+ mpc1_mpc_init_single_inst(mpc, mpcc_id);
+
+ /* assuming mpc out mux is connected to opp with the same index at this
+ * point in time (e.g. transitioning from vbios to driver)
+ */
+ if (mpcc_id < MAX_OPP && REG(MUX[mpcc_id]))
+ /* disable mpc out rate and flow control */
+ REG_UPDATE_2(MUX[mpcc_id], MPC_OUT_RATE_CONTROL_DISABLE,
+ 1, MPC_OUT_FLOW_CONTROL_COUNT, 0);
+}
+
bool mpc3_is_dwb_idle(
struct mpc *mpc,
int dwb_id)
@@ -80,25 +110,6 @@ void mpc3_disable_dwb_mux(
MPC_DWB0_MUX, 0xf);
}
-void mpc3_set_out_rate_control(
- struct mpc *mpc,
- int opp_id,
- bool enable,
- bool rate_2x_mode,
- struct mpc_dwb_flow_control *flow_control)
-{
- struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc);
-
- REG_UPDATE_2(MUX[opp_id],
- MPC_OUT_RATE_CONTROL_DISABLE, !enable,
- MPC_OUT_RATE_CONTROL, rate_2x_mode);
-
- if (flow_control)
- REG_UPDATE_2(MUX[opp_id],
- MPC_OUT_FLOW_CONTROL_MODE, flow_control->flow_ctrl_mode,
- MPC_OUT_FLOW_CONTROL_COUNT, flow_control->flow_ctrl_cnt1);
-}
-
enum dc_lut_mode mpc3_get_ogam_current(struct mpc *mpc, int mpcc_id)
{
/*Contrary to DCN2 and DCN1 wherein a single status register field holds this info;
@@ -1490,8 +1501,8 @@ static const struct mpc_funcs dcn30_mpc_funcs = {
.read_mpcc_state = mpc3_read_mpcc_state,
.insert_plane = mpc1_insert_plane,
.remove_mpcc = mpc1_remove_mpcc,
- .mpc_init = mpc1_mpc_init,
- .mpc_init_single_inst = mpc1_mpc_init_single_inst,
+ .mpc_init = mpc3_mpc_init,
+ .mpc_init_single_inst = mpc3_mpc_init_single_inst,
.update_blending = mpc2_update_blending,
.cursor_lock = mpc1_cursor_lock,
.get_mpcc_for_dpp = mpc1_get_mpcc_for_dpp,
@@ -1508,7 +1519,6 @@ static const struct mpc_funcs dcn30_mpc_funcs = {
.set_dwb_mux = mpc3_set_dwb_mux,
.disable_dwb_mux = mpc3_disable_dwb_mux,
.is_dwb_idle = mpc3_is_dwb_idle,
- .set_out_rate_control = mpc3_set_out_rate_control,
.set_gamut_remap = mpc3_set_gamut_remap,
.program_shaper = mpc3_program_shaper,
.acquire_rmu = mpcc3_acquire_rmu,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h
index 9cb96ae95a2f7..ce93003dae011 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h
@@ -1007,6 +1007,13 @@ void dcn30_mpc_construct(struct dcn30_mpc *mpc30,
int num_mpcc,
int num_rmu);
+void mpc3_mpc_init(
+ struct mpc *mpc);
+
+void mpc3_mpc_init_single_inst(
+ struct mpc *mpc,
+ unsigned int mpcc_id);
+
bool mpc3_program_shaper(
struct mpc *mpc,
const struct pwl_params *params,
@@ -1078,13 +1085,6 @@ bool mpc3_is_dwb_idle(
struct mpc *mpc,
int dwb_id);
-void mpc3_set_out_rate_control(
- struct mpc *mpc,
- int opp_id,
- bool enable,
- bool rate_2x_mode,
- struct mpc_dwb_flow_control *flow_control);
-
void mpc3_power_on_ogam_lut(
struct mpc *mpc, int mpcc_id,
bool power_on);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c
index e789e654c3870..e408e859b3556 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c
@@ -47,7 +47,7 @@ void mpc32_mpc_init(struct mpc *mpc)
struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc);
int mpcc_id;
- mpc1_mpc_init(mpc);
+ mpc3_mpc_init(mpc);
if (mpc->ctx->dc->debug.enable_mem_low_power.bits.mpc) {
if (mpc30->mpc_mask->MPCC_MCM_SHAPER_MEM_LOW_PWR_MODE && mpc30->mpc_mask->MPCC_MCM_3DLUT_MEM_LOW_PWR_MODE) {
@@ -991,7 +991,7 @@ static const struct mpc_funcs dcn32_mpc_funcs = {
.insert_plane = mpc1_insert_plane,
.remove_mpcc = mpc1_remove_mpcc,
.mpc_init = mpc32_mpc_init,
- .mpc_init_single_inst = mpc1_mpc_init_single_inst,
+ .mpc_init_single_inst = mpc3_mpc_init_single_inst,
.update_blending = mpc2_update_blending,
.cursor_lock = mpc1_cursor_lock,
.get_mpcc_for_dpp = mpc1_get_mpcc_for_dpp,
@@ -1008,7 +1008,6 @@ static const struct mpc_funcs dcn32_mpc_funcs = {
.set_dwb_mux = mpc3_set_dwb_mux,
.disable_dwb_mux = mpc3_disable_dwb_mux,
.is_dwb_idle = mpc3_is_dwb_idle,
- .set_out_rate_control = mpc3_set_out_rate_control,
.set_gamut_remap = mpc3_set_gamut_remap,
.program_shaper = mpc32_program_shaper,
.program_3dlut = mpc32_program_3dlut,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c
index 3a9cc8ac0c079..093f4387553ce 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c
@@ -69,29 +69,6 @@
#define FN(reg_name, field_name) \
hws->shifts->field_name, hws->masks->field_name
-static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream,
- int opp_cnt)
-{
- bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing);
- int flow_ctrl_cnt;
-
- if (opp_cnt >= 2)
- hblank_halved = true;
-
- flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable -
- stream->timing.h_border_left -
- stream->timing.h_border_right;
-
- if (hblank_halved)
- flow_ctrl_cnt /= 2;
-
- /* ODM combine 4:1 case */
- if (opp_cnt == 4)
- flow_ctrl_cnt /= 2;
-
- return flow_ctrl_cnt;
-}
-
static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
{
struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
@@ -183,10 +160,6 @@ void dcn314_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx
struct pipe_ctx *odm_pipe;
int opp_cnt = 0;
int opp_inst[MAX_PIPES] = {0};
- bool rate_control_2x_pclk = (pipe_ctx->stream->timing.flags.INTERLACE || optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing));
- struct mpc_dwb_flow_control flow_control;
- struct mpc *mpc = dc->res_pool->mpc;
- int i;
opp_cnt = get_odm_config(pipe_ctx, opp_inst);
@@ -199,20 +172,6 @@ void dcn314_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx
pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
- rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1;
- flow_control.flow_ctrl_mode = 0;
- flow_control.flow_ctrl_cnt0 = 0x80;
- flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(pipe_ctx->stream, opp_cnt);
- if (mpc->funcs->set_out_rate_control) {
- for (i = 0; i < opp_cnt; ++i) {
- mpc->funcs->set_out_rate_control(
- mpc, opp_inst[i],
- true,
- rate_control_2x_pclk,
- &flow_control);
- }
- }
-
for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control(
odm_pipe->stream_res.opp,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
index c0b526cf17865..7668229438da2 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
@@ -966,29 +966,6 @@ void dcn32_init_hw(struct dc *dc)
}
}
-static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream,
- int opp_cnt)
-{
- bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing);
- int flow_ctrl_cnt;
-
- if (opp_cnt >= 2)
- hblank_halved = true;
-
- flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable -
- stream->timing.h_border_left -
- stream->timing.h_border_right;
-
- if (hblank_halved)
- flow_ctrl_cnt /= 2;
-
- /* ODM combine 4:1 case */
- if (opp_cnt == 4)
- flow_ctrl_cnt /= 2;
-
- return flow_ctrl_cnt;
-}
-
static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
{
struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
@@ -1103,10 +1080,6 @@ void dcn32_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *
struct pipe_ctx *odm_pipe;
int opp_cnt = 0;
int opp_inst[MAX_PIPES] = {0};
- bool rate_control_2x_pclk = (pipe_ctx->stream->timing.flags.INTERLACE || optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing));
- struct mpc_dwb_flow_control flow_control;
- struct mpc *mpc = dc->res_pool->mpc;
- int i;
opp_cnt = get_odm_config(pipe_ctx, opp_inst);
@@ -1119,20 +1092,6 @@ void dcn32_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *
pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
- rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1;
- flow_control.flow_ctrl_mode = 0;
- flow_control.flow_ctrl_cnt0 = 0x80;
- flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(pipe_ctx->stream, opp_cnt);
- if (mpc->funcs->set_out_rate_control) {
- for (i = 0; i < opp_cnt; ++i) {
- mpc->funcs->set_out_rate_control(
- mpc, opp_inst[i],
- true,
- rate_control_2x_pclk,
- &flow_control);
- }
- }
-
for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control(
odm_pipe->stream_res.opp,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
index 4b92df23ff0db..a5560b3fc39ba 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
@@ -358,29 +358,6 @@ void dcn35_init_hw(struct dc *dc)
}
}
-static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream,
- int opp_cnt)
-{
- bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing);
- int flow_ctrl_cnt;
-
- if (opp_cnt >= 2)
- hblank_halved = true;
-
- flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable -
- stream->timing.h_border_left -
- stream->timing.h_border_right;
-
- if (hblank_halved)
- flow_ctrl_cnt /= 2;
-
- /* ODM combine 4:1 case */
- if (opp_cnt == 4)
- flow_ctrl_cnt /= 2;
-
- return flow_ctrl_cnt;
-}
-
static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
{
struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
@@ -474,10 +451,6 @@ void dcn35_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *
struct pipe_ctx *odm_pipe;
int opp_cnt = 0;
int opp_inst[MAX_PIPES] = {0};
- bool rate_control_2x_pclk = (pipe_ctx->stream->timing.flags.INTERLACE || optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing));
- struct mpc_dwb_flow_control flow_control;
- struct mpc *mpc = dc->res_pool->mpc;
- int i;
opp_cnt = get_odm_config(pipe_ctx, opp_inst);
@@ -490,20 +463,6 @@ void dcn35_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *
pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
- rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1;
- flow_control.flow_ctrl_mode = 0;
- flow_control.flow_ctrl_cnt0 = 0x80;
- flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(pipe_ctx->stream, opp_cnt);
- if (mpc->funcs->set_out_rate_control) {
- for (i = 0; i < opp_cnt; ++i) {
- mpc->funcs->set_out_rate_control(
- mpc, opp_inst[i],
- true,
- rate_control_2x_pclk,
- &flow_control);
- }
- }
-
for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control(
odm_pipe->stream_res.opp,
--
GitLab
From 2f10d4a51bbcd938f1f02f16c304ad1d54717b96 Mon Sep 17 00:00:00 2001
From: Roman Li <roman.li@amd.com>
Date: Wed, 13 Mar 2024 18:35:13 -0400
Subject: [PATCH 1718/2686] drm/amd/display: Fix bounds check for dcn35
DcfClocks
[Why]
NumFclkLevelsEnabled is used for DcfClocks bounds check
instead of designated NumDcfClkLevelsEnabled.
That can cause array index out-of-bounds access.
[How]
Use designated variable for dcn35 DcfClocks bounds check.
Fixes: a8edc9cc0b14 ("drm/amd/display: Fix array-index-out-of-bounds in dcn35_clkmgr")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Sun peng Li <sunpeng.li@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
index ee5c4ee1ed664..101fe96287cb4 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
@@ -714,7 +714,7 @@ static void dcn35_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal *clk
clock_table->NumFclkLevelsEnabled;
max_fclk = find_max_clk_value(clock_table->FclkClocks_Freq, num_fclk);
- num_dcfclk = (clock_table->NumFclkLevelsEnabled > NUM_DCFCLK_DPM_LEVELS) ? NUM_DCFCLK_DPM_LEVELS :
+ num_dcfclk = (clock_table->NumDcfClkLevelsEnabled > NUM_DCFCLK_DPM_LEVELS) ? NUM_DCFCLK_DPM_LEVELS :
clock_table->NumDcfClkLevelsEnabled;
for (i = 0; i < num_dcfclk; i++) {
int j;
--
GitLab
From 0ccc2b30f4feadc0b1a282dbcc06e396382e5d74 Mon Sep 17 00:00:00 2001
From: Xi Liu <xi.liu@amd.com>
Date: Tue, 27 Feb 2024 13:39:00 -0500
Subject: [PATCH 1719/2686] drm/amd/display: Set DCN351 BB and IP the same as
DCN35
[WHY & HOW]
DCN351 and DCN35 should use the same bounding box and IP settings.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Xi Liu <xi.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
index 17a58f41fc6a8..a20f28a5d2e7b 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
@@ -228,17 +228,13 @@ void dml2_init_socbb_params(struct dml2_context *dml2, const struct dc *in_dc, s
break;
case dml_project_dcn35:
+ case dml_project_dcn351:
out->num_chans = 4;
out->round_trip_ping_latency_dcfclk_cycles = 106;
out->smn_latency_us = 2;
out->dispclk_dppclk_vco_speed_mhz = 3600;
break;
- case dml_project_dcn351:
- out->num_chans = 16;
- out->round_trip_ping_latency_dcfclk_cycles = 1100;
- out->smn_latency_us = 2;
- break;
}
/* ---Overrides if available--- */
if (dml2->config.bbox_overrides.dram_num_chan)
--
GitLab
From 6b154c00cd5378abfd8930a823a7c23bf0750206 Mon Sep 17 00:00:00 2001
From: Lang Yu <Lang.Yu@amd.com>
Date: Thu, 7 Mar 2024 11:13:19 +0800
Subject: [PATCH 1720/2686] drm/amdgpu/umsch: update UMSCH 4.0 FW interface
Align with FW changes.
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Reviewed-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.h | 20 +++++++++----------
.../drm/amd/include/umsch_mm_4_0_api_def.h | 13 ++++++++++--
2 files changed, 21 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.h
index 8258a43a6236c..5014b5af95fd9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.h
@@ -33,13 +33,6 @@ enum UMSCH_SWIP_ENGINE_TYPE {
UMSCH_SWIP_ENGINE_TYPE_MAX
};
-enum UMSCH_SWIP_AFFINITY_TYPE {
- UMSCH_SWIP_AFFINITY_TYPE_ANY = 0,
- UMSCH_SWIP_AFFINITY_TYPE_VCN0 = 1,
- UMSCH_SWIP_AFFINITY_TYPE_VCN1 = 2,
- UMSCH_SWIP_AFFINITY_TYPE_MAX
-};
-
enum UMSCH_CONTEXT_PRIORITY_LEVEL {
CONTEXT_PRIORITY_LEVEL_IDLE = 0,
CONTEXT_PRIORITY_LEVEL_NORMAL = 1,
@@ -51,13 +44,15 @@ enum UMSCH_CONTEXT_PRIORITY_LEVEL {
struct umsch_mm_set_resource_input {
uint32_t vmid_mask_mm_vcn;
uint32_t vmid_mask_mm_vpe;
+ uint32_t collaboration_mask_vpe;
uint32_t logging_vmid;
uint32_t engine_mask;
union {
struct {
uint32_t disable_reset : 1;
uint32_t disable_umsch_mm_log : 1;
- uint32_t reserved : 30;
+ uint32_t use_rs64mem_for_proc_ctx_csa : 1;
+ uint32_t reserved : 29;
};
uint32_t uint32_all;
};
@@ -78,15 +73,18 @@ struct umsch_mm_add_queue_input {
uint32_t doorbell_offset_1;
enum UMSCH_SWIP_ENGINE_TYPE engine_type;
uint32_t affinity;
- enum UMSCH_SWIP_AFFINITY_TYPE affinity_type;
uint64_t mqd_addr;
uint64_t h_context;
uint64_t h_queue;
uint32_t vm_context_cntl;
+ uint32_t process_csa_array_index;
+ uint32_t context_csa_array_index;
+
struct {
uint32_t is_context_suspended : 1;
- uint32_t reserved : 31;
+ uint32_t collaboration_mode : 1;
+ uint32_t reserved : 30;
};
};
@@ -94,6 +92,7 @@ struct umsch_mm_remove_queue_input {
uint32_t doorbell_offset_0;
uint32_t doorbell_offset_1;
uint64_t context_csa_addr;
+ uint32_t context_csa_array_index;
};
struct MQD_INFO {
@@ -103,6 +102,7 @@ struct MQD_INFO {
uint32_t wptr_val;
uint32_t rptr_val;
uint32_t unmapped;
+ uint32_t vmid;
};
struct amdgpu_umsch_mm;
diff --git a/drivers/gpu/drm/amd/include/umsch_mm_4_0_api_def.h b/drivers/gpu/drm/amd/include/umsch_mm_4_0_api_def.h
index beadb9e42850c..ca83e9e5c3ffb 100644
--- a/drivers/gpu/drm/amd/include/umsch_mm_4_0_api_def.h
+++ b/drivers/gpu/drm/amd/include/umsch_mm_4_0_api_def.h
@@ -234,7 +234,8 @@ union UMSCHAPI__SET_HW_RESOURCES {
uint32_t enable_level_process_quantum_check : 1;
uint32_t is_vcn0_enabled : 1;
uint32_t is_vcn1_enabled : 1;
- uint32_t reserved : 27;
+ uint32_t use_rs64mem_for_proc_ctx_csa : 1;
+ uint32_t reserved : 26;
};
uint32_t uint32_all;
};
@@ -297,9 +298,12 @@ union UMSCHAPI__ADD_QUEUE {
struct {
uint32_t is_context_suspended : 1;
- uint32_t reserved : 31;
+ uint32_t collaboration_mode : 1;
+ uint32_t reserved : 30;
};
struct UMSCH_API_STATUS api_status;
+ uint32_t process_csa_array_index;
+ uint32_t context_csa_array_index;
};
uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
@@ -314,6 +318,7 @@ union UMSCHAPI__REMOVE_QUEUE {
uint64_t context_csa_addr;
struct UMSCH_API_STATUS api_status;
+ uint32_t context_csa_array_index;
};
uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
@@ -337,6 +342,7 @@ union UMSCHAPI__SUSPEND {
uint32_t suspend_fence_value;
struct UMSCH_API_STATUS api_status;
+ uint32_t context_csa_array_index;
};
uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
@@ -356,6 +362,7 @@ union UMSCHAPI__RESUME {
enum UMSCH_ENGINE_TYPE engine_type;
struct UMSCH_API_STATUS api_status;
+ uint32_t context_csa_array_index;
};
uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
@@ -404,6 +411,7 @@ union UMSCHAPI__UPDATE_AFFINITY {
union UMSCH_AFFINITY affinity;
uint64_t context_csa_addr;
struct UMSCH_API_STATUS api_status;
+ uint32_t context_csa_array_index;
};
uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
@@ -417,6 +425,7 @@ union UMSCHAPI__CHANGE_CONTEXT_PRIORITY_LEVEL {
uint64_t context_quantum;
uint64_t context_csa_addr;
struct UMSCH_API_STATUS api_status;
+ uint32_t context_csa_array_index;
};
uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
--
GitLab
From 68a2afbccaba588403f18197cdbfc43e5f98c336 Mon Sep 17 00:00:00 2001
From: Lang Yu <Lang.Yu@amd.com>
Date: Thu, 7 Mar 2024 13:57:06 +0800
Subject: [PATCH 1721/2686] drm/amdgpu: enable UMSCH 4.0.6
Share same codes with 4.0.5 and enable collaborate mode for VPE.
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Reviewed-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c | 12 ++++++++++--
drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.c | 7 +++++--
3 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index a07e4b87d4cae..fdd36fb027ab6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -2237,6 +2237,7 @@ static int amdgpu_discovery_set_umsch_mm_ip_blocks(struct amdgpu_device *adev)
{
switch (amdgpu_ip_version(adev, VCN_HWIP, 0)) {
case IP_VERSION(4, 0, 5):
+ case IP_VERSION(4, 0, 6):
if (amdgpu_umsch_mm & 0x1) {
amdgpu_device_ip_block_add(adev, &umsch_mm_v4_0_ip_block);
adev->enable_umsch_mm = true;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
index ab820cf526683..0df97c3e3a700 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
@@ -189,10 +189,13 @@ static void setup_vpe_queue(struct amdgpu_device *adev,
mqd->rptr_val = 0;
mqd->unmapped = 1;
+ if (adev->vpe.collaborate_mode)
+ memcpy(++mqd, test->mqd_data_cpu_addr, sizeof(struct MQD_INFO));
+
qinfo->mqd_addr = test->mqd_data_gpu_addr;
qinfo->csa_addr = test->ctx_data_gpu_addr +
offsetof(struct umsch_mm_test_ctx_data, vpe_ctx_csa);
- qinfo->doorbell_offset_0 = (adev->doorbell_index.vpe_ring + 1) << 1;
+ qinfo->doorbell_offset_0 = 0;
qinfo->doorbell_offset_1 = 0;
}
@@ -287,7 +290,10 @@ static int submit_vpe_queue(struct amdgpu_device *adev, struct umsch_mm_test *te
ring[5] = 0;
mqd->wptr_val = (6 << 2);
- // WDOORBELL32(adev->umsch_mm.agdb_index[CONTEXT_PRIORITY_LEVEL_NORMAL], mqd->wptr_val);
+ if (adev->vpe.collaborate_mode)
+ (++mqd)->wptr_val = (6 << 2);
+
+ WDOORBELL32(adev->umsch_mm.agdb_index[CONTEXT_PRIORITY_LEVEL_NORMAL], mqd->wptr_val);
for (i = 0; i < adev->usec_timeout; i++) {
if (*fence == test_pattern)
@@ -571,6 +577,7 @@ int amdgpu_umsch_mm_init_microcode(struct amdgpu_umsch_mm *umsch)
switch (amdgpu_ip_version(adev, VCN_HWIP, 0)) {
case IP_VERSION(4, 0, 5):
+ case IP_VERSION(4, 0, 6):
fw_name = "amdgpu/umsch_mm_4_0_0.bin";
break;
default:
@@ -750,6 +757,7 @@ static int umsch_mm_early_init(void *handle)
switch (amdgpu_ip_version(adev, VCN_HWIP, 0)) {
case IP_VERSION(4, 0, 5):
+ case IP_VERSION(4, 0, 6):
umsch_mm_v4_0_set_funcs(&adev->umsch_mm);
break;
default:
diff --git a/drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.c b/drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.c
index 8e7b763cfdb7e..84368cf1e1753 100644
--- a/drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.c
@@ -60,7 +60,7 @@ static int umsch_mm_v4_0_load_microcode(struct amdgpu_umsch_mm *umsch)
umsch->cmd_buf_curr_ptr = umsch->cmd_buf_ptr;
- if (amdgpu_ip_version(adev, VCN_HWIP, 0) == IP_VERSION(4, 0, 5)) {
+ if (amdgpu_ip_version(adev, VCN_HWIP, 0) >= IP_VERSION(4, 0, 5)) {
WREG32_SOC15(VCN, 0, regUVD_IPX_DLDO_CONFIG,
1 << UVD_IPX_DLDO_CONFIG__ONO0_PWR_CONFIG__SHIFT);
SOC15_WAIT_ON_RREG(VCN, 0, regUVD_IPX_DLDO_STATUS,
@@ -248,7 +248,7 @@ static int umsch_mm_v4_0_ring_stop(struct amdgpu_umsch_mm *umsch)
data = REG_SET_FIELD(data, VCN_UMSCH_RB_DB_CTRL, EN, 0);
WREG32_SOC15(VCN, 0, regVCN_UMSCH_RB_DB_CTRL, data);
- if (amdgpu_ip_version(adev, VCN_HWIP, 0) == IP_VERSION(4, 0, 5)) {
+ if (amdgpu_ip_version(adev, VCN_HWIP, 0) >= IP_VERSION(4, 0, 5)) {
WREG32_SOC15(VCN, 0, regUVD_IPX_DLDO_CONFIG,
2 << UVD_IPX_DLDO_CONFIG__ONO0_PWR_CONFIG__SHIFT);
SOC15_WAIT_ON_RREG(VCN, 0, regUVD_IPX_DLDO_STATUS,
@@ -271,6 +271,8 @@ static int umsch_mm_v4_0_set_hw_resources(struct amdgpu_umsch_mm *umsch)
set_hw_resources.vmid_mask_mm_vcn = umsch->vmid_mask_mm_vcn;
set_hw_resources.vmid_mask_mm_vpe = umsch->vmid_mask_mm_vpe;
+ set_hw_resources.collaboration_mask_vpe =
+ adev->vpe.collaborate_mode ? 0x3 : 0x0;
set_hw_resources.engine_mask = umsch->engine_mask;
set_hw_resources.vcn0_hqd_mask[0] = umsch->vcn0_hqd_mask;
@@ -346,6 +348,7 @@ static int umsch_mm_v4_0_add_queue(struct amdgpu_umsch_mm *umsch,
add_queue.h_queue = input_ptr->h_queue;
add_queue.vm_context_cntl = input_ptr->vm_context_cntl;
add_queue.is_context_suspended = input_ptr->is_context_suspended;
+ add_queue.collaboration_mode = adev->vpe.collaborate_mode ? 1 : 0;
add_queue.api_status.api_completion_fence_addr = umsch->ring.fence_drv.gpu_addr;
add_queue.api_status.api_completion_fence_value = ++umsch->ring.fence_drv.sync_seq;
--
GitLab
From 8678b1060ae2b75feb60b87e5b75e17374e3c1c5 Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@cmpxchg.org>
Date: Thu, 7 Mar 2024 17:07:37 -0500
Subject: [PATCH 1722/2686] drm/amdgpu: fix deadlock while reading mqd from
debugfs
An errant disk backup on my desktop got into debugfs and triggered the
following deadlock scenario in the amdgpu debugfs files. The machine
also hard-resets immediately after those lines are printed (although I
wasn't able to reproduce that part when reading by hand):
[ 1318.016074][ T1082] ======================================================
[ 1318.016607][ T1082] WARNING: possible circular locking dependency detected
[ 1318.017107][ T1082] 6.8.0-rc7-00015-ge0c8221b72c0 #17 Not tainted
[ 1318.017598][ T1082] ------------------------------------------------------
[ 1318.018096][ T1082] tar/1082 is trying to acquire lock:
[ 1318.018585][ T1082] ffff98c44175d6a0 (&mm->mmap_lock){++++}-{3:3}, at: __might_fault+0x40/0x80
[ 1318.019084][ T1082]
[ 1318.019084][ T1082] but task is already holding lock:
[ 1318.020052][ T1082] ffff98c4c13f55f8 (reservation_ww_class_mutex){+.+.}-{3:3}, at: amdgpu_debugfs_mqd_read+0x6a/0x250 [amdgpu]
[ 1318.020607][ T1082]
[ 1318.020607][ T1082] which lock already depends on the new lock.
[ 1318.020607][ T1082]
[ 1318.022081][ T1082]
[ 1318.022081][ T1082] the existing dependency chain (in reverse order) is:
[ 1318.023083][ T1082]
[ 1318.023083][ T1082] -> #2 (reservation_ww_class_mutex){+.+.}-{3:3}:
[ 1318.024114][ T1082] __ww_mutex_lock.constprop.0+0xe0/0x12f0
[ 1318.024639][ T1082] ww_mutex_lock+0x32/0x90
[ 1318.025161][ T1082] dma_resv_lockdep+0x18a/0x330
[ 1318.025683][ T1082] do_one_initcall+0x6a/0x350
[ 1318.026210][ T1082] kernel_init_freeable+0x1a3/0x310
[ 1318.026728][ T1082] kernel_init+0x15/0x1a0
[ 1318.027242][ T1082] ret_from_fork+0x2c/0x40
[ 1318.027759][ T1082] ret_from_fork_asm+0x11/0x20
[ 1318.028281][ T1082]
[ 1318.028281][ T1082] -> #1 (reservation_ww_class_acquire){+.+.}-{0:0}:
[ 1318.029297][ T1082] dma_resv_lockdep+0x16c/0x330
[ 1318.029790][ T1082] do_one_initcall+0x6a/0x350
[ 1318.030263][ T1082] kernel_init_freeable+0x1a3/0x310
[ 1318.030722][ T1082] kernel_init+0x15/0x1a0
[ 1318.031168][ T1082] ret_from_fork+0x2c/0x40
[ 1318.031598][ T1082] ret_from_fork_asm+0x11/0x20
[ 1318.032011][ T1082]
[ 1318.032011][ T1082] -> #0 (&mm->mmap_lock){++++}-{3:3}:
[ 1318.032778][ T1082] __lock_acquire+0x14bf/0x2680
[ 1318.033141][ T1082] lock_acquire+0xcd/0x2c0
[ 1318.033487][ T1082] __might_fault+0x58/0x80
[ 1318.033814][ T1082] amdgpu_debugfs_mqd_read+0x103/0x250 [amdgpu]
[ 1318.034181][ T1082] full_proxy_read+0x55/0x80
[ 1318.034487][ T1082] vfs_read+0xa7/0x360
[ 1318.034788][ T1082] ksys_read+0x70/0xf0
[ 1318.035085][ T1082] do_syscall_64+0x94/0x180
[ 1318.035375][ T1082] entry_SYSCALL_64_after_hwframe+0x46/0x4e
[ 1318.035664][ T1082]
[ 1318.035664][ T1082] other info that might help us debug this:
[ 1318.035664][ T1082]
[ 1318.036487][ T1082] Chain exists of:
[ 1318.036487][ T1082] &mm->mmap_lock --> reservation_ww_class_acquire --> reservation_ww_class_mutex
[ 1318.036487][ T1082]
[ 1318.037310][ T1082] Possible unsafe locking scenario:
[ 1318.037310][ T1082]
[ 1318.037838][ T1082] CPU0 CPU1
[ 1318.038101][ T1082] ---- ----
[ 1318.038350][ T1082] lock(reservation_ww_class_mutex);
[ 1318.038590][ T1082] lock(reservation_ww_class_acquire);
[ 1318.038839][ T1082] lock(reservation_ww_class_mutex);
[ 1318.039083][ T1082] rlock(&mm->mmap_lock);
[ 1318.039328][ T1082]
[ 1318.039328][ T1082] *** DEADLOCK ***
[ 1318.039328][ T1082]
[ 1318.040029][ T1082] 1 lock held by tar/1082:
[ 1318.040259][ T1082] #0: ffff98c4c13f55f8 (reservation_ww_class_mutex){+.+.}-{3:3}, at: amdgpu_debugfs_mqd_read+0x6a/0x250 [amdgpu]
[ 1318.040560][ T1082]
[ 1318.040560][ T1082] stack backtrace:
[ 1318.041053][ T1082] CPU: 22 PID: 1082 Comm: tar Not tainted 6.8.0-rc7-00015-ge0c8221b72c0 #17 3316c85d50e282c5643b075d1f01a4f6365e39c2
[ 1318.041329][ T1082] Hardware name: Gigabyte Technology Co., Ltd. B650 AORUS PRO AX/B650 AORUS PRO AX, BIOS F20 12/14/2023
[ 1318.041614][ T1082] Call Trace:
[ 1318.041895][ T1082] <TASK>
[ 1318.042175][ T1082] dump_stack_lvl+0x4a/0x80
[ 1318.042460][ T1082] check_noncircular+0x145/0x160
[ 1318.042743][ T1082] __lock_acquire+0x14bf/0x2680
[ 1318.043022][ T1082] lock_acquire+0xcd/0x2c0
[ 1318.043301][ T1082] ? __might_fault+0x40/0x80
[ 1318.043580][ T1082] ? __might_fault+0x40/0x80
[ 1318.043856][ T1082] __might_fault+0x58/0x80
[ 1318.044131][ T1082] ? __might_fault+0x40/0x80
[ 1318.044408][ T1082] amdgpu_debugfs_mqd_read+0x103/0x250 [amdgpu 8fe2afaa910cbd7654c8cab23563a94d6caebaab]
[ 1318.044749][ T1082] full_proxy_read+0x55/0x80
[ 1318.045042][ T1082] vfs_read+0xa7/0x360
[ 1318.045333][ T1082] ksys_read+0x70/0xf0
[ 1318.045623][ T1082] do_syscall_64+0x94/0x180
[ 1318.045913][ T1082] ? do_syscall_64+0xa0/0x180
[ 1318.046201][ T1082] ? lockdep_hardirqs_on+0x7d/0x100
[ 1318.046487][ T1082] ? do_syscall_64+0xa0/0x180
[ 1318.046773][ T1082] ? do_syscall_64+0xa0/0x180
[ 1318.047057][ T1082] ? do_syscall_64+0xa0/0x180
[ 1318.047337][ T1082] ? do_syscall_64+0xa0/0x180
[ 1318.047611][ T1082] entry_SYSCALL_64_after_hwframe+0x46/0x4e
[ 1318.047887][ T1082] RIP: 0033:0x7f480b70a39d
[ 1318.048162][ T1082] Code: 91 ba 0d 00 f7 d8 64 89 02 b8 ff ff ff ff eb b2 e8 18 a3 01 00 0f 1f 84 00 00 00 00 00 80 3d a9 3c 0e 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 53 48 83
[ 1318.048769][ T1082] RSP: 002b:00007ffde77f5c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 1318.049083][ T1082] RAX: ffffffffffffffda RBX: 0000000000000800 RCX: 00007f480b70a39d
[ 1318.049392][ T1082] RDX: 0000000000000800 RSI: 000055c9f2120c00 RDI: 0000000000000008
[ 1318.049703][ T1082] RBP: 0000000000000800 R08: 000055c9f2120a94 R09: 0000000000000007
[ 1318.050011][ T1082] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c9f2120c00
[ 1318.050324][ T1082] R13: 0000000000000008 R14: 0000000000000008 R15: 0000000000000800
[ 1318.050638][ T1082] </TASK>
amdgpu_debugfs_mqd_read() holds a reservation when it calls
put_user(), which may fault and acquire the mmap_sem. This violates
the established locking order.
Bounce the mqd data through a kernel buffer to get put_user() out of
the illegal section.
Fixes: 445d85e3c1df ("drm/amdgpu: add debugfs interface for reading MQDs")
Cc: stable@vger.kernel.org # v6.5+
Reviewed-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 46 +++++++++++++++---------
1 file changed, 29 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 5505d646f43aa..06f0a6534a94f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -524,46 +524,58 @@ static ssize_t amdgpu_debugfs_mqd_read(struct file *f, char __user *buf,
{
struct amdgpu_ring *ring = file_inode(f)->i_private;
volatile u32 *mqd;
- int r;
+ u32 *kbuf;
+ int r, i;
uint32_t value, result;
if (*pos & 3 || size & 3)
return -EINVAL;
- result = 0;
+ kbuf = kmalloc(ring->mqd_size, GFP_KERNEL);
+ if (!kbuf)
+ return -ENOMEM;
r = amdgpu_bo_reserve(ring->mqd_obj, false);
if (unlikely(r != 0))
- return r;
+ goto err_free;
r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&mqd);
- if (r) {
- amdgpu_bo_unreserve(ring->mqd_obj);
- return r;
- }
+ if (r)
+ goto err_unreserve;
+ /*
+ * Copy to local buffer to avoid put_user(), which might fault
+ * and acquire mmap_sem, under reservation_ww_class_mutex.
+ */
+ for (i = 0; i < ring->mqd_size/sizeof(u32); i++)
+ kbuf[i] = mqd[i];
+
+ amdgpu_bo_kunmap(ring->mqd_obj);
+ amdgpu_bo_unreserve(ring->mqd_obj);
+
+ result = 0;
while (size) {
if (*pos >= ring->mqd_size)
- goto done;
+ break;
- value = mqd[*pos/4];
+ value = kbuf[*pos/4];
r = put_user(value, (uint32_t *)buf);
if (r)
- goto done;
+ goto err_free;
buf += 4;
result += 4;
size -= 4;
*pos += 4;
}
-done:
- amdgpu_bo_kunmap(ring->mqd_obj);
- mqd = NULL;
- amdgpu_bo_unreserve(ring->mqd_obj);
- if (r)
- return r;
-
+ kfree(kbuf);
return result;
+
+err_unreserve:
+ amdgpu_bo_unreserve(ring->mqd_obj);
+err_free:
+ kfree(kbuf);
+ return r;
}
static const struct file_operations amdgpu_debugfs_mqd_fops = {
--
GitLab
From 1fed2f1ea62aa79e8c1df79b26e5bf5c8cf45065 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 25 Mar 2024 18:23:17 +0100
Subject: [PATCH 1723/2686] MAINTAINERS: Add co-maintainers for time[rs]
Anna-Maria and Frederic are working in this area for years. Volunteer them
into co-maintainer roles.
While at it bring the file lists up to date.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Acked-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/r/20240325172048.548199937@linutronix.de
---
MAINTAINERS | 35 +++++++++++++++++++++++++++--------
1 file changed, 27 insertions(+), 8 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index aa3b947fb0801..c8c4a70cb0077 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9653,7 +9653,9 @@ L: linux-input@vger.kernel.org
S: Maintained
F: drivers/hid/hid-logitech-hidpp.c
-HIGH-RESOLUTION TIMERS, CLOCKEVENTS
+HIGH-RESOLUTION TIMERS, TIMER WHEEL, CLOCKEVENTS
+M: Anna-Maria Behnsen <anna-maria@linutronix.de>
+M: Frederic Weisbecker <frederic@kernel.org>
M: Thomas Gleixner <tglx@linutronix.de>
L: linux-kernel@vger.kernel.org
S: Maintained
@@ -9661,9 +9663,13 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
F: Documentation/timers/
F: include/linux/clockchips.h
F: include/linux/hrtimer.h
+F: include/linux/timer.h
F: kernel/time/clockevents.c
F: kernel/time/hrtimer.c
-F: kernel/time/timer_*.c
+F: kernel/time/timer.c
+F: kernel/time/timer_list.c
+F: kernel/time/timer_migration.*
+F: tools/testing/selftests/timers/
HIGH-SPEED SCC DRIVER FOR AX.25
L: linux-hams@vger.kernel.org
@@ -15627,9 +15633,10 @@ F: drivers/misc/nsm.c
F: include/uapi/linux/nsm.h
NOHZ, DYNTICKS SUPPORT
+M: Anna-Maria Behnsen <anna-maria@linutronix.de>
M: Frederic Weisbecker <frederic@kernel.org>
-M: Thomas Gleixner <tglx@linutronix.de>
M: Ingo Molnar <mingo@kernel.org>
+M: Thomas Gleixner <tglx@linutronix.de>
L: linux-kernel@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/nohz
@@ -17590,15 +17597,20 @@ F: drivers/pnp/
F: include/linux/pnp.h
POSIX CLOCKS and TIMERS
+M: Anna-Maria Behnsen <anna-maria@linutronix.de>
+M: Frederic Weisbecker <frederic@kernel.org>
M: Thomas Gleixner <tglx@linutronix.de>
L: linux-kernel@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
F: fs/timerfd.c
F: include/linux/time_namespace.h
-F: include/linux/timer*
+F: include/linux/timerfd.h
+F: include/uapi/linux/time.h
+F: include/uapi/linux/timerfd.h
F: include/trace/events/timer*
-F: kernel/time/*timer*
+F: kernel/time/itimer.c
+F: kernel/time/posix-*
F: kernel/time/namespace.c
POWER MANAGEMENT CORE
@@ -22254,13 +22266,20 @@ S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
F: include/linux/clocksource.h
F: include/linux/time.h
+F: include/linux/timekeeper_internal.h
+F: include/linux/timekeeping.h
F: include/linux/timex.h
F: include/uapi/linux/time.h
F: include/uapi/linux/timex.h
F: kernel/time/alarmtimer.c
-F: kernel/time/clocksource.c
-F: kernel/time/ntp.c
-F: kernel/time/time*.c
+F: kernel/time/clocksource*
+F: kernel/time/ntp*
+F: kernel/time/time.c
+F: kernel/time/timeconst.bc
+F: kernel/time/timeconv.c
+F: kernel/time/timecounter.c
+F: kernel/time/timekeeping*
+F: kernel/time/time_test.c
F: tools/testing/selftests/timers/
TIPC NETWORK LAYER
--
GitLab
From 13dddf9319808badd2c1f5d7007b4e82838a648e Mon Sep 17 00:00:00 2001
From: Victor Isaev <victor@torrio.net>
Date: Fri, 15 Dec 2023 23:27:20 -0500
Subject: [PATCH 1724/2686] RISC-V: Update AT_VECTOR_SIZE_ARCH for new
AT_MINSIGSTKSZ
"riscv: signal: Report signal frame size to userspace via auxv" (e92f469)
has added new constant AT_MINSIGSTKSZ but failed to increment the size of
auxv, keeping AT_VECTOR_SIZE_ARCH at 9.
This fix correctly increments AT_VECTOR_SIZE_ARCH to 10, following the
approach in the commit 94b07c1 ("arm64: signal: Report signal frame size
to userspace via auxv").
Link: https://lore.kernel.org/r/73883406.20231215232720@torrio.net
Link: https://lore.kernel.org/all/20240102133617.3649-1-victor@torrio.net/
Reported-by: Ivan Komarov <ivan.komarov@dfyz.info>
Closes: https://lore.kernel.org/linux-riscv/CY3Z02NYV1C4.11BLB9PLVW9G1@fedora/
Fixes: e92f469b0771 ("riscv: signal: Report signal frame size to userspace via auxv")
Signed-off-by: Victor Isaev <isv@google.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/uapi/asm/auxvec.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/include/uapi/asm/auxvec.h b/arch/riscv/include/uapi/asm/auxvec.h
index 10aaa83db89ef..95050ebe9ad00 100644
--- a/arch/riscv/include/uapi/asm/auxvec.h
+++ b/arch/riscv/include/uapi/asm/auxvec.h
@@ -34,7 +34,7 @@
#define AT_L3_CACHEGEOMETRY 47
/* entries in ARCH_DLINFO */
-#define AT_VECTOR_SIZE_ARCH 9
+#define AT_VECTOR_SIZE_ARCH 10
#define AT_MINSIGSTKSZ 51
#endif /* _UAPI_ASM_RISCV_AUXVEC_H */
--
GitLab
From 7115ff4a8bfed3b9294bad2e111744e6abeadf1a Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Fri, 17 Nov 2023 21:58:43 +0900
Subject: [PATCH 1725/2686] riscv: compat_vdso: align VDSOAS build log
Add one more space after "VDSOAS" for better alignment in the build log.
[Before]
LDS arch/riscv/kernel/compat_vdso/compat_vdso.lds
VDSOAS arch/riscv/kernel/compat_vdso/rt_sigreturn.o
VDSOAS arch/riscv/kernel/compat_vdso/getcpu.o
VDSOAS arch/riscv/kernel/compat_vdso/flush_icache.o
VDSOAS arch/riscv/kernel/compat_vdso/note.o
VDSOLD arch/riscv/kernel/compat_vdso/compat_vdso.so.dbg
VDSOSYM include/generated/compat_vdso-offsets.h
[After]
LDS arch/riscv/kernel/compat_vdso/compat_vdso.lds
VDSOAS arch/riscv/kernel/compat_vdso/rt_sigreturn.o
VDSOAS arch/riscv/kernel/compat_vdso/getcpu.o
VDSOAS arch/riscv/kernel/compat_vdso/flush_icache.o
VDSOAS arch/riscv/kernel/compat_vdso/note.o
VDSOLD arch/riscv/kernel/compat_vdso/compat_vdso.so.dbg
VDSOSYM include/generated/compat_vdso-offsets.h
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20231117125843.1058553-1-masahiroy@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/kernel/compat_vdso/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/kernel/compat_vdso/Makefile b/arch/riscv/kernel/compat_vdso/Makefile
index 62fa393b2eb2e..3df4cb788c1fa 100644
--- a/arch/riscv/kernel/compat_vdso/Makefile
+++ b/arch/riscv/kernel/compat_vdso/Makefile
@@ -74,5 +74,5 @@ quiet_cmd_compat_vdsold = VDSOLD $@
rm $@.tmp
# actual build commands
-quiet_cmd_compat_vdsoas = VDSOAS $@
+quiet_cmd_compat_vdsoas = VDSOAS $@
cmd_compat_vdsoas = $(COMPAT_CC) $(a_flags) $(COMPAT_CC_FLAGS) -c -o $@ $<
--
GitLab
From 0ffe1ae7026dd129d86318388ed62ba61f085730 Mon Sep 17 00:00:00 2001
From: Jisheng Zhang <jszhang@kernel.org>
Date: Wed, 22 Nov 2023 00:06:37 +0800
Subject: [PATCH 1726/2686] riscv: mm: implement pgprot_nx
commit cca98e9f8b5e ("mm: enforce that vmap can't map pages
executable") enforces the W^X protection by not allowing remapping
existing pages as executable. Add riscv bits so that riscv can benefit
the same protection.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20231121160637.3856-1-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/include/asm/pgtable.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 97fcde30e2477..9f8ea0e33eb10 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -593,6 +593,12 @@ static inline int ptep_clear_flush_young(struct vm_area_struct *vma,
return ptep_test_and_clear_young(vma, address, ptep);
}
+#define pgprot_nx pgprot_nx
+static inline pgprot_t pgprot_nx(pgprot_t _prot)
+{
+ return __pgprot(pgprot_val(_prot) & ~_PAGE_EXEC);
+}
+
#define pgprot_noncached pgprot_noncached
static inline pgprot_t pgprot_noncached(pgprot_t _prot)
{
--
GitLab
From ad91c1d77fd0a489706b7b784a70e464a4a03490 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Tue, 26 Mar 2024 18:46:30 +0100
Subject: [PATCH 1727/2686] dt-bindings: ufs: qcom: document SC8180X UFS
Document already upstreamed and used Qualcomm SC8180x UFS host
controller to fix dtbs_check warnings like:
sc8180x-primus.dtb: ufshc@1d84000: compatible:0: 'qcom,sc8180x-ufshc' is not one of ['qcom,msm8994-ufshc', ... ]
sc8180x-primus.dtb: ufshc@1d84000: Unevaluated properties are not allowed ('compatible' was unexpected)
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240326174632.209745-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
Documentation/devicetree/bindings/ufs/qcom,ufs.yaml | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
index 10c146424baa1..1ab3d16917acb 100644
--- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
+++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
@@ -28,6 +28,7 @@ properties:
- qcom,msm8998-ufshc
- qcom,sa8775p-ufshc
- qcom,sc7280-ufshc
+ - qcom,sc8180x-ufshc
- qcom,sc8280xp-ufshc
- qcom,sdm845-ufshc
- qcom,sm6115-ufshc
@@ -120,6 +121,7 @@ allOf:
- qcom,msm8998-ufshc
- qcom,sa8775p-ufshc
- qcom,sc7280-ufshc
+ - qcom,sc8180x-ufshc
- qcom,sc8280xp-ufshc
- qcom,sm8250-ufshc
- qcom,sm8350-ufshc
--
GitLab
From 7fb5aafc0a702c4c0bb22410d1e67a732e320511 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Tue, 26 Mar 2024 18:46:31 +0100
Subject: [PATCH 1728/2686] dt-bindings: ufs: qcom: document SC7180 UFS
Document already upstreamed and used Qualcomm SC7180 UFS host controller
to fix dtbs_check warnings like:
sc7180-idp.dtb: ufshc@1d84000: compatible:0: 'qcom,sc7180-ufshc' is not one of ...
sc7180-idp.dtb: ufshc@1d84000: clocks: [[39, 99], [39, 7], [39, 98], [39, 107], [36, 0], [39, 106], [39, 105]] is too short
sc7180-idp.dtb: ufshc@1d84000: clock-names: ['core_clk', 'bus_aggr_clk', 'iface_clk', 'core_clk_unipro', ...] is too short
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240326174632.209745-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
.../devicetree/bindings/ufs/qcom,ufs.yaml | 34 ++++++++++++++++---
1 file changed, 30 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
index 1ab3d16917acb..7e6d442545ad9 100644
--- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
+++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
@@ -27,6 +27,7 @@ properties:
- qcom,msm8996-ufshc
- qcom,msm8998-ufshc
- qcom,sa8775p-ufshc
+ - qcom,sc7180-ufshc
- qcom,sc7280-ufshc
- qcom,sc8180x-ufshc
- qcom,sc8280xp-ufshc
@@ -43,11 +44,11 @@ properties:
- const: jedec,ufs-2.0
clocks:
- minItems: 8
+ minItems: 7
maxItems: 11
clock-names:
- minItems: 8
+ minItems: 7
maxItems: 11
dma-coherent: true
@@ -113,6 +114,31 @@ required:
allOf:
- $ref: ufs-common.yaml
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,sc7180-ufshc
+ then:
+ properties:
+ clocks:
+ minItems: 7
+ maxItems: 7
+ clock-names:
+ items:
+ - const: core_clk
+ - const: bus_aggr_clk
+ - const: iface_clk
+ - const: core_clk_unipro
+ - const: ref_clk
+ - const: tx_lane0_sync_clk
+ - const: rx_lane0_sync_clk
+ reg:
+ maxItems: 1
+ reg-names:
+ maxItems: 1
+
- if:
properties:
compatible:
@@ -250,7 +276,7 @@ allOf:
reg:
maxItems: 1
clocks:
- minItems: 8
+ minItems: 7
maxItems: 8
else:
properties:
@@ -258,7 +284,7 @@ allOf:
minItems: 1
maxItems: 2
clocks:
- minItems: 8
+ minItems: 7
maxItems: 11
unevaluatedProperties: false
--
GitLab
From b5237d0bdb3cb164b7792cc4f1ff2ecafbfac661 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Tue, 26 Mar 2024 18:46:32 +0100
Subject: [PATCH 1729/2686] dt-bindings: ufs: qcom: document SM6125 UFS
Document already upstreamed and used Qualcomm SM6125 UFS host controller to fix
dtbs_check warnings like:
sm6125-xiaomi-laurel-sprout.dtb: ufs@4804000: compatible:0: 'qcom,sm6125-ufshc' is not one of ['qcom,msm8994-ufshc', ...
sm6125-xiaomi-laurel-sprout.dtb: ufs@4804000: Unevaluated properties are not allowed ('compatible' was unexpected)
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Martin Botka <martin.botka@somainline.org>
Link: https://lore.kernel.org/r/20240326174632.209745-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
Documentation/devicetree/bindings/ufs/qcom,ufs.yaml | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
index 7e6d442545ad9..cd3680dc002f9 100644
--- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
+++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
@@ -33,6 +33,7 @@ properties:
- qcom,sc8280xp-ufshc
- qcom,sdm845-ufshc
- qcom,sm6115-ufshc
+ - qcom,sm6125-ufshc
- qcom,sm6350-ufshc
- qcom,sm8150-ufshc
- qcom,sm8250-ufshc
@@ -243,6 +244,7 @@ allOf:
contains:
enum:
- qcom,sm6115-ufshc
+ - qcom,sm6125-ufshc
then:
properties:
clocks:
--
GitLab
From 4af565de9f8c74b9f6035924ce0d40adec211246 Mon Sep 17 00:00:00 2001
From: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Date: Wed, 27 Mar 2024 16:16:53 +0530
Subject: [PATCH 1730/2686] ASoC: amd: acp: fix for acp pdm configuration check
ACP PDM configuration has to be verified for all combinations.
Remove FLAG_AMD_LEGACY_ONLY_DMIC check.
Fixes: 3a94c8ad0aae ("ASoC: amd: acp: add code for scanning acp pdm controller")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://msgid.link/r/20240327104657.3537664-2-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/amd/acp/acp-pci.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/sound/soc/amd/acp/acp-pci.c b/sound/soc/amd/acp/acp-pci.c
index 8c8b1dcac6281..440b91d4f261c 100644
--- a/sound/soc/amd/acp/acp-pci.c
+++ b/sound/soc/amd/acp/acp-pci.c
@@ -133,11 +133,9 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id
}
}
- if (flag == FLAG_AMD_LEGACY_ONLY_DMIC) {
- ret = check_acp_pdm(pci, chip);
- if (ret < 0)
- goto skip_pdev_creation;
- }
+ ret = check_acp_pdm(pci, chip);
+ if (ret < 0)
+ goto skip_pdev_creation;
chip->flag = flag;
memset(&pdevinfo, 0, sizeof(pdevinfo));
--
GitLab
From 00bb549d7d63a21532e76e4a334d7807a54d9f31 Mon Sep 17 00:00:00 2001
From: Richard Fitzgerald <rf@opensource.cirrus.com>
Date: Wed, 27 Mar 2024 11:44:06 +0000
Subject: [PATCH 1731/2686] regmap: maple: Fix cache corruption in
regcache_maple_drop()
When keeping the upper end of a cache block entry, the entry[] array
must be indexed by the offset from the base register of the block,
i.e. max - mas.index.
The code was indexing entry[] by only the register address, leading
to an out-of-bounds access that copied some part of the kernel
memory over the cache contents.
This bug was not detected by the regmap KUnit test because it only
tests with a block of registers starting at 0, so mas.index == 0.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Fixes: f033c26de5a5 ("regmap: Add maple tree based register cache")
Link: https://msgid.link/r/20240327114406.976986-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/base/regmap/regcache-maple.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/regmap/regcache-maple.c b/drivers/base/regmap/regcache-maple.c
index 41edd6a430eb4..c1776127a5724 100644
--- a/drivers/base/regmap/regcache-maple.c
+++ b/drivers/base/regmap/regcache-maple.c
@@ -145,7 +145,7 @@ static int regcache_maple_drop(struct regmap *map, unsigned int min,
upper_index = max + 1;
upper_last = mas.last;
- upper = kmemdup(&entry[max + 1],
+ upper = kmemdup(&entry[max - mas.index + 1],
((mas.last - max) *
sizeof(unsigned long)),
map->alloc_flags);
--
GitLab
From a26de34b3c77ae3a969654d94be49e433c947e3b Mon Sep 17 00:00:00 2001
From: Ye Zhang <ye.zhang@rock-chips.com>
Date: Thu, 21 Mar 2024 18:21:00 +0800
Subject: [PATCH 1732/2686] thermal: devfreq_cooling: Fix perf state when
calculate dfc res_util
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The issue occurs when the devfreq cooling device uses the EM power model
and the get_real_power() callback is provided by the driver.
The EM power table is sorted ascending，can't index the table by cooling
device state，so convert cooling state to performance state by
dfc->max_state - dfc->capped_state.
Fixes: 615510fe13bd ("thermal: devfreq_cooling: remove old power model and use EM")
Cc: 5.11+ <stable@vger.kernel.org> # 5.11+
Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/thermal/devfreq_cooling.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
index 50dec24e967a0..8fd7cf1932cd4 100644
--- a/drivers/thermal/devfreq_cooling.c
+++ b/drivers/thermal/devfreq_cooling.c
@@ -214,7 +214,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
res = dfc->power_ops->get_real_power(df, power, freq, voltage);
if (!res) {
- state = dfc->capped_state;
+ state = dfc->max_state - dfc->capped_state;
/* Convert EM power into milli-Watts first */
rcu_read_lock();
--
GitLab
From 96b98a6552a90690d7bc18dd71b66312c9ded1fb Mon Sep 17 00:00:00 2001
From: Hari Bathini <hbathini@linux.ibm.com>
Date: Tue, 19 Mar 2024 13:31:52 +0530
Subject: [PATCH 1733/2686] bpf: fix warning for crash_kexec
With [1], crash dump specific code is moved out of CONFIG_KEXEC_CORE
and placed under CONFIG_CRASH_DUMP, where it is more appropriate.
And since CONFIG_KEXEC & !CONFIG_CRASH_DUMP build option is supported
with that, it led to the below warning:
"WARN: resolve_btfids: unresolved symbol crash_kexec"
Fix it by using the appropriate #ifdef.
[1] https://lore.kernel.org/all/20240124051254.67105-1-bhe@redhat.com/
Acked-by: Baoquan He <bhe@redhat.com>
Fixes: 02aff8480533 ("crash: split crash dumping code out from kexec_core.c")
Acked-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Link: https://lore.kernel.org/r/20240319080152.36987-1-hbathini@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
kernel/bpf/helpers.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index a895878595710..449b9a5d3fe3f 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -2548,7 +2548,7 @@ __bpf_kfunc void bpf_throw(u64 cookie)
__bpf_kfunc_end_defs();
BTF_KFUNCS_START(generic_btf_ids)
-#ifdef CONFIG_KEXEC_CORE
+#ifdef CONFIG_CRASH_DUMP
BTF_ID_FLAGS(func, crash_kexec, KF_DESTRUCTIVE)
#endif
BTF_ID_FLAGS(func, bpf_obj_new_impl, KF_ACQUIRE | KF_RET_NULL)
--
GitLab
From 5b4cdd9c5676559b8a7c944ac5269b914b8c0bb8 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue, 26 Mar 2024 14:59:48 -0700
Subject: [PATCH 1734/2686] Fix memory leak in posix_clock_open()
If the clk ops.open() function returns an error, we don't release the
pccontext we allocated for this clock.
Re-organize the code slightly to make it all more obvious.
Reported-by: Rohit Keshri <rkeshri@redhat.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Fixes: 60c6946675fc ("posix-clock: introduce posix_clock_context concept")
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linuxfoundation.org>
---
kernel/time/posix-clock.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/kernel/time/posix-clock.c b/kernel/time/posix-clock.c
index 9de66bbbb3d15..4782edcbe7b9b 100644
--- a/kernel/time/posix-clock.c
+++ b/kernel/time/posix-clock.c
@@ -129,15 +129,17 @@ static int posix_clock_open(struct inode *inode, struct file *fp)
goto out;
}
pccontext->clk = clk;
- fp->private_data = pccontext;
- if (clk->ops.open)
+ if (clk->ops.open) {
err = clk->ops.open(pccontext, fp->f_mode);
- else
- err = 0;
-
- if (!err) {
- get_device(clk->dev);
+ if (err) {
+ kfree(pccontext);
+ goto out;
+ }
}
+
+ fp->private_data = pccontext;
+ get_device(clk->dev);
+ err = 0;
out:
up_read(&clk->rwsem);
return err;
--
GitLab
From 498e47cd1d1f3e0a870a29d1b28093e64db52fd2 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed, 27 Mar 2024 09:48:47 -0700
Subject: [PATCH 1735/2686] Fix build errors due to new UIO_MEM_DMA_COHERENT
mess
Commit 576882ef5e7f ("uio: introduce UIO_MEM_DMA_COHERENT type")
introduced a new use-case for 'struct uio_mem' where the 'mem' field now
contains a kernel virtual address when 'memtype' is set to
UIO_MEM_DMA_COHERENT.
That in turn causes build errors, because 'mem' is of type
'phys_addr_t', and a virtual address is a pointer type. When the code
just blindly uses cast to mix the two, it caused problems when
phys_addr_t isn't the same size as a pointer - notably on 32-bit
architectures with PHYS_ADDR_T_64BIT.
The proper thing to do would probably be to use a union member, and not
have any casts, and make the 'mem' member be a union of 'mem.physaddr'
and 'mem.vaddr', based on 'memtype'.
This is not that proper thing. This is just fixing the ugly casts to be
even uglier, but at least not cause build errors on 32-bit platforms
with 64-bit physical addresses.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: 576882ef5e7f ("uio: introduce UIO_MEM_DMA_COHERENT type")
Fixes: 7722151e4651 ("uio_pruss: UIO_MEM_DMA_COHERENT conversion")
Fixes: 019947805a8d ("uio_dmem_genirq: UIO_MEM_DMA_COHERENT conversion")
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Chris Leech <cleech@redhat.com>
Cc: Nilesh Javali <njavali@marvell.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linuxfoundation.org>
---
drivers/uio/uio.c | 2 +-
drivers/uio/uio_dmem_genirq.c | 4 ++--
drivers/uio/uio_pruss.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index bb77de6fa067e..009158fef2a8f 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -792,7 +792,7 @@ static int uio_mmap_dma_coherent(struct vm_area_struct *vma)
*/
vma->vm_pgoff = 0;
- addr = (void *)mem->addr;
+ addr = (void *)(uintptr_t)mem->addr;
ret = dma_mmap_coherent(mem->dma_device,
vma,
addr,
diff --git a/drivers/uio/uio_dmem_genirq.c b/drivers/uio/uio_dmem_genirq.c
index d5f9384df1255..13cc35ab5d29a 100644
--- a/drivers/uio/uio_dmem_genirq.c
+++ b/drivers/uio/uio_dmem_genirq.c
@@ -60,7 +60,7 @@ static int uio_dmem_genirq_open(struct uio_info *info, struct inode *inode)
addr = dma_alloc_coherent(&priv->pdev->dev, uiomem->size,
&uiomem->dma_addr, GFP_KERNEL);
- uiomem->addr = addr ? (phys_addr_t) addr : DMEM_MAP_ERROR;
+ uiomem->addr = addr ? (uintptr_t) addr : DMEM_MAP_ERROR;
++uiomem;
}
priv->refcnt++;
@@ -89,7 +89,7 @@ static int uio_dmem_genirq_release(struct uio_info *info, struct inode *inode)
break;
if (uiomem->addr) {
dma_free_coherent(uiomem->dma_device, uiomem->size,
- (void *) uiomem->addr,
+ (void *) (uintptr_t) uiomem->addr,
uiomem->dma_addr);
}
uiomem->addr = DMEM_MAP_ERROR;
diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c
index 72b33f7d4c40f..f67881cba645b 100644
--- a/drivers/uio/uio_pruss.c
+++ b/drivers/uio/uio_pruss.c
@@ -191,7 +191,7 @@ static int pruss_probe(struct platform_device *pdev)
p->mem[1].size = sram_pool_sz;
p->mem[1].memtype = UIO_MEM_PHYS;
- p->mem[2].addr = (phys_addr_t) gdev->ddr_vaddr;
+ p->mem[2].addr = (uintptr_t) gdev->ddr_vaddr;
p->mem[2].dma_addr = gdev->ddr_paddr;
p->mem[2].size = extram_pool_sz;
p->mem[2].memtype = UIO_MEM_DMA_COHERENT;
--
GitLab
From a8d89feba7e54e691ca7c4efc2a6264fa83f3687 Mon Sep 17 00:00:00 2001
From: Andrei Matei <andreimatei1@gmail.com>
Date: Tue, 26 Mar 2024 22:42:44 -0400
Subject: [PATCH 1736/2686] bpf: Check bloom filter map value size
This patch adds a missing check to bloom filter creating, rejecting
values above KMALLOC_MAX_SIZE. This brings the bloom map in line with
many other map types.
The lack of this protection can cause kernel crashes for value sizes
that overflow int's. Such a crash was caught by syzkaller. The next
patch adds more guard-rails at a lower level.
Signed-off-by: Andrei Matei <andreimatei1@gmail.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20240327024245.318299-2-andreimatei1@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
kernel/bpf/bloom_filter.c | 13 +++++++++++++
.../selftests/bpf/prog_tests/bloom_filter_map.c | 6 ++++++
2 files changed, 19 insertions(+)
diff --git a/kernel/bpf/bloom_filter.c b/kernel/bpf/bloom_filter.c
index addf3dd57b59b..35e1ddca74d21 100644
--- a/kernel/bpf/bloom_filter.c
+++ b/kernel/bpf/bloom_filter.c
@@ -80,6 +80,18 @@ static int bloom_map_get_next_key(struct bpf_map *map, void *key, void *next_key
return -EOPNOTSUPP;
}
+/* Called from syscall */
+static int bloom_map_alloc_check(union bpf_attr *attr)
+{
+ if (attr->value_size > KMALLOC_MAX_SIZE)
+ /* if value_size is bigger, the user space won't be able to
+ * access the elements.
+ */
+ return -E2BIG;
+
+ return 0;
+}
+
static struct bpf_map *bloom_map_alloc(union bpf_attr *attr)
{
u32 bitset_bytes, bitset_mask, nr_hash_funcs, nr_bits;
@@ -191,6 +203,7 @@ static u64 bloom_map_mem_usage(const struct bpf_map *map)
BTF_ID_LIST_SINGLE(bpf_bloom_map_btf_ids, struct, bpf_bloom_filter)
const struct bpf_map_ops bloom_filter_map_ops = {
.map_meta_equal = bpf_map_meta_equal,
+ .map_alloc_check = bloom_map_alloc_check,
.map_alloc = bloom_map_alloc,
.map_free = bloom_map_free,
.map_get_next_key = bloom_map_get_next_key,
diff --git a/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c b/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c
index 053f4d6da77a4..cc184e4420f6e 100644
--- a/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c
+++ b/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c
@@ -2,6 +2,7 @@
/* Copyright (c) 2021 Facebook */
#include <sys/syscall.h>
+#include <limits.h>
#include <test_progs.h>
#include "bloom_filter_map.skel.h"
@@ -21,6 +22,11 @@ static void test_fail_cases(void)
if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid value size 0"))
close(fd);
+ /* Invalid value size: too big */
+ fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, INT32_MAX, 100, NULL);
+ if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid value too large"))
+ close(fd);
+
/* Invalid max entries size */
fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, sizeof(value), 0, NULL);
if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid max entries size"))
--
GitLab
From ecc6a2101840177e57c925c102d2d29f260d37c8 Mon Sep 17 00:00:00 2001
From: Andrei Matei <andreimatei1@gmail.com>
Date: Tue, 26 Mar 2024 22:42:45 -0400
Subject: [PATCH 1737/2686] bpf: Protect against int overflow for stack access
size
This patch re-introduces protection against the size of access to stack
memory being negative; the access size can appear negative as a result
of overflowing its signed int representation. This should not actually
happen, as there are other protections along the way, but we should
protect against it anyway. One code path was missing such protections
(fixed in the previous patch in the series), causing out-of-bounds array
accesses in check_stack_range_initialized(). This patch causes the
verification of a program with such a non-sensical access size to fail.
This check used to exist in a more indirect way, but was inadvertendly
removed in a833a17aeac7.
Fixes: a833a17aeac7 ("bpf: Fix verification of indirect var-off stack access")
Reported-by: syzbot+33f4297b5f927648741a@syzkaller.appspotmail.com
Reported-by: syzbot+aafd0513053a1cbf52ef@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/bpf/CAADnVQLORV5PT0iTAhRER+iLBTkByCYNBYyvBSgjN1T31K+gOw@mail.gmail.com/
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Andrei Matei <andreimatei1@gmail.com>
Link: https://lore.kernel.org/r/20240327024245.318299-3-andreimatei1@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
kernel/bpf/verifier.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 0bfc0050db28d..353985b2b6a27 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -6701,6 +6701,11 @@ static int check_stack_access_within_bounds(
err = check_stack_slot_within_bounds(env, min_off, state, type);
if (!err && max_off > 0)
err = -EINVAL; /* out of stack access into non-negative offsets */
+ if (!err && access_size < 0)
+ /* access_size should not be negative (or overflow an int); others checks
+ * along the way should have prevented such an access.
+ */
+ err = -EFAULT; /* invalid negative access size; integer overflow? */
if (err) {
if (tnum_is_const(reg->var_off)) {
--
GitLab
From 8876a37277cb832e1861c35f8c661825179f73f5 Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Wed, 27 Mar 2024 14:13:24 +0000
Subject: [PATCH 1738/2686] cifs: Fix duplicate fscache cookie warnings
fscache emits a lot of duplicate cookie warnings with cifs because the
index key for the fscache cookies does not include everything that the
cifs_find_inode() function does. The latter is used with iget5_locked() to
distinguish between inodes in the local inode cache.
Fix this by adding the creation time and file type to the fscache cookie
key.
Additionally, add a couple of comments to note that if one is changed the
other must be also.
Signed-off-by: David Howells <dhowells@redhat.com>
Fixes: 70431bfd825d ("cifs: Support fscache indexing rewrite")
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/fscache.c | 16 +++++++++++++++-
fs/smb/client/inode.c | 2 ++
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/fs/smb/client/fscache.c b/fs/smb/client/fscache.c
index c4a3cb736881a..340efce8f0529 100644
--- a/fs/smb/client/fscache.c
+++ b/fs/smb/client/fscache.c
@@ -12,6 +12,16 @@
#include "cifs_fs_sb.h"
#include "cifsproto.h"
+/*
+ * Key for fscache inode. [!] Contents must match comparisons in cifs_find_inode().
+ */
+struct cifs_fscache_inode_key {
+
+ __le64 uniqueid; /* server inode number */
+ __le64 createtime; /* creation time on server */
+ u8 type; /* S_IFMT file type */
+} __packed;
+
static void cifs_fscache_fill_volume_coherency(
struct cifs_tcon *tcon,
struct cifs_fscache_volume_coherency_data *cd)
@@ -97,15 +107,19 @@ void cifs_fscache_release_super_cookie(struct cifs_tcon *tcon)
void cifs_fscache_get_inode_cookie(struct inode *inode)
{
struct cifs_fscache_inode_coherency_data cd;
+ struct cifs_fscache_inode_key key;
struct cifsInodeInfo *cifsi = CIFS_I(inode);
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb);
+ key.uniqueid = cpu_to_le64(cifsi->uniqueid);
+ key.createtime = cpu_to_le64(cifsi->createtime);
+ key.type = (inode->i_mode & S_IFMT) >> 12;
cifs_fscache_fill_coherency(&cifsi->netfs.inode, &cd);
cifsi->netfs.cache =
fscache_acquire_cookie(tcon->fscache, 0,
- &cifsi->uniqueid, sizeof(cifsi->uniqueid),
+ &key, sizeof(key),
&cd, sizeof(cd),
i_size_read(&cifsi->netfs.inode));
if (cifsi->netfs.cache)
diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c
index d28ab0af60493..91b07ef9e25ca 100644
--- a/fs/smb/client/inode.c
+++ b/fs/smb/client/inode.c
@@ -1351,6 +1351,8 @@ cifs_find_inode(struct inode *inode, void *opaque)
{
struct cifs_fattr *fattr = opaque;
+ /* [!] The compared values must be the same in struct cifs_fscache_inode_key. */
+
/* don't match inode with different uniqueid */
if (CIFS_I(inode)->uniqueid != fattr->cf_uniqueid)
return 0;
--
GitLab
From 99dc2ef0397d082b63404c01cf841cf80f1418dc Mon Sep 17 00:00:00 2001
From: Chuck Lever <chuck.lever@oracle.com>
Date: Tue, 26 Mar 2024 17:00:20 -0400
Subject: [PATCH 1739/2686] NFSD: CREATE_SESSION must never cache NFS4ERR_DELAY
replies
There are one or two cases where CREATE_SESSION returns
NFS4ERR_DELAY in order to force the client to wait a bit and try
CREATE_SESSION again. However, after commit e4469c6cc69b ("NFSD: Fix
the NFSv4.1 CREATE_SESSION operation"), NFSD caches that response in
the CREATE_SESSION slot. Thus, when the client resends the
CREATE_SESSION, the server always returns the cached NFS4ERR_DELAY
response rather than actually executing the request and properly
recording its outcome. This blocks the client from making further
progress.
RFC 8881 Section 15.1.1.3 says:
> If NFS4ERR_DELAY is returned on an operation other than SEQUENCE
> that validly appears as the first operation of a request ... [t]he
> request can be retried in full without modification. In this case
> as well, the replier MUST avoid returning a response containing
> NFS4ERR_DELAY as the response to an initial operation of a request
> solely on the basis of its presence in the reply cache.
Neither the original NFSD code nor the discussion in section 18.36.4
refer explicitly to this important requirement, so I missed it.
Note also that not only must the server not cache NFS4ERR_DELAY, but
it has to not advance the CREATE_SESSION slot sequence number so
that it can properly recognize and accept the client's retry.
Reported-by: Dai Ngo <dai.ngo@oracle.com>
Fixes: e4469c6cc69b ("NFSD: Fix the NFSv4.1 CREATE_SESSION operation")
Tested-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
fs/nfsd/nfs4state.c | 36 +++++++++++++++++++++++++-----------
1 file changed, 25 insertions(+), 11 deletions(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index ee9aa48434434..5fcd93f7cb8c7 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3831,15 +3831,20 @@ nfsd4_create_session(struct svc_rqst *rqstp,
else
cs_slot = &unconf->cl_cs_slot;
status = check_slot_seqid(cr_ses->seqid, cs_slot->sl_seqid, 0);
- if (status) {
- if (status == nfserr_replay_cache) {
- status = nfsd4_replay_create_session(cr_ses, cs_slot);
- goto out_free_conn;
- }
+ switch (status) {
+ case nfs_ok:
+ cs_slot->sl_seqid++;
+ cr_ses->seqid = cs_slot->sl_seqid;
+ break;
+ case nfserr_replay_cache:
+ status = nfsd4_replay_create_session(cr_ses, cs_slot);
+ fallthrough;
+ case nfserr_jukebox:
+ /* The server MUST NOT cache NFS4ERR_DELAY */
+ goto out_free_conn;
+ default:
goto out_cache_error;
}
- cs_slot->sl_seqid++;
- cr_ses->seqid = cs_slot->sl_seqid;
/* RFC 8881 Section 18.36.4 Phase 3: Client ID confirmation. */
if (conf) {
@@ -3859,10 +3864,8 @@ nfsd4_create_session(struct svc_rqst *rqstp,
old = find_confirmed_client_by_name(&unconf->cl_name, nn);
if (old) {
status = mark_client_expired_locked(old);
- if (status) {
- old = NULL;
- goto out_cache_error;
- }
+ if (status)
+ goto out_expired_error;
trace_nfsd_clid_replaced(&old->cl_clientid);
}
move_to_confirmed(unconf);
@@ -3894,6 +3897,17 @@ nfsd4_create_session(struct svc_rqst *rqstp,
expire_client(old);
return status;
+out_expired_error:
+ old = NULL;
+ /*
+ * Revert the slot seq_nr change so the server will process
+ * the client's resend instead of returning a cached response.
+ */
+ if (status == nfserr_jukebox) {
+ cs_slot->sl_seqid--;
+ cr_ses->seqid = cs_slot->sl_seqid;
+ goto out_free_conn;
+ }
out_cache_error:
nfsd4_cache_create_session(cr_ses, cs_slot, status);
out_free_conn:
--
GitLab
From 4dd651076ef0e5f09940f763a1b4e8a209dab7ab Mon Sep 17 00:00:00 2001
From: Matt Bobrowski <mattbobrowski@google.com>
Date: Tue, 26 Mar 2024 19:50:19 +0000
Subject: [PATCH 1740/2686] bpf: update BPF LSM designated reviewer list
Adding myself in place of both Brendan and Florent as both have since
moved on from working on the BPF LSM and will no longer be devoting
their time to maintaining the BPF LSM.
Signed-off-by: Matt Bobrowski <mattbobrowski@google.com>
Acked-by: KP Singh <kpsingh@kernel.org>
Link: https://lore.kernel.org/r/ZgMhWF_egdYF8t4D@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
MAINTAINERS | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 272dba71f6d9c..9372dcff0f358 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3941,8 +3941,7 @@ F: kernel/bpf/ringbuf.c
BPF [SECURITY & LSM] (Security Audit and Enforcement using BPF)
M: KP Singh <kpsingh@kernel.org>
-R: Florent Revest <revest@chromium.org>
-R: Brendan Jackman <jackmanb@chromium.org>
+R: Matt Bobrowski <mattbobrowski@google.com>
L: bpf@vger.kernel.org
S: Maintained
F: Documentation/bpf/prog_lsm.rst
--
GitLab
From 4be9075fec0a639384ed19975634b662bfab938f Mon Sep 17 00:00:00 2001
From: Jocelyn Falempe <jfalempe@redhat.com>
Date: Tue, 12 Mar 2024 10:35:12 +0100
Subject: [PATCH 1741/2686] drm/vmwgfx: Create debugfs ttm_resource_manager
entry only if needed
The driver creates /sys/kernel/debug/dri/0/mob_ttm even when the
corresponding ttm_resource_manager is not allocated.
This leads to a crash when trying to read from this file.
Add a check to create mob_ttm, system_mob_ttm, and gmr_ttm debug file
only when the corresponding ttm_resource_manager is allocated.
crash> bt
PID: 3133409 TASK: ffff8fe4834a5000 CPU: 3 COMMAND: "grep"
#0 [ffffb954506b3b20] machine_kexec at ffffffffb2a6bec3
#1 [ffffb954506b3b78] __crash_kexec at ffffffffb2bb598a
#2 [ffffb954506b3c38] crash_kexec at ffffffffb2bb68c1
#3 [ffffb954506b3c50] oops_end at ffffffffb2a2a9b1
#4 [ffffb954506b3c70] no_context at ffffffffb2a7e913
#5 [ffffb954506b3cc8] __bad_area_nosemaphore at ffffffffb2a7ec8c
#6 [ffffb954506b3d10] do_page_fault at ffffffffb2a7f887
#7 [ffffb954506b3d40] page_fault at ffffffffb360116e
[exception RIP: ttm_resource_manager_debug+0x11]
RIP: ffffffffc04afd11 RSP: ffffb954506b3df0 RFLAGS: 00010246
RAX: ffff8fe41a6d1200 RBX: 0000000000000000 RCX: 0000000000000940
RDX: 0000000000000000 RSI: ffffffffc04b4338 RDI: 0000000000000000
RBP: ffffb954506b3e08 R8: ffff8fee3ffad000 R9: 0000000000000000
R10: ffff8fe41a76a000 R11: 0000000000000001 R12: 00000000ffffffff
R13: 0000000000000001 R14: ffff8fe5bb6f3900 R15: ffff8fe41a6d1200
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#8 [ffffb954506b3e00] ttm_resource_manager_show at ffffffffc04afde7 [ttm]
#9 [ffffb954506b3e30] seq_read at ffffffffb2d8f9f3
RIP: 00007f4c4eda8985 RSP: 00007ffdbba9e9f8 RFLAGS: 00000246
RAX: ffffffffffffffda RBX: 000000000037e000 RCX: 00007f4c4eda8985
RDX: 000000000037e000 RSI: 00007f4c41573000 RDI: 0000000000000003
RBP: 000000000037e000 R8: 0000000000000000 R9: 000000000037fe30
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4c41573000
R13: 0000000000000003 R14: 00007f4c41572010 R15: 0000000000000003
ORIG_RAX: 0000000000000000 CS: 0033 SS: 002b
Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Fixes: af4a25bbe5e7 ("drm/vmwgfx: Add debugfs entries for various ttm resource managers")
Cc: <stable@vger.kernel.org>
Reviewed-by: Zack Rusin <zack.rusin@broadcom.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240312093551.196609-1-jfalempe@redhat.com
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index d3e308fdfd5be..c7d90f96d16a6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1444,12 +1444,15 @@ static void vmw_debugfs_resource_managers_init(struct vmw_private *vmw)
root, "system_ttm");
ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, TTM_PL_VRAM),
root, "vram_ttm");
- ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_GMR),
- root, "gmr_ttm");
- ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_MOB),
- root, "mob_ttm");
- ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_SYSTEM),
- root, "system_mob_ttm");
+ if (vmw->has_gmr)
+ ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_GMR),
+ root, "gmr_ttm");
+ if (vmw->has_mob) {
+ ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_MOB),
+ root, "mob_ttm");
+ ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_SYSTEM),
+ root, "system_mob_ttm");
+ }
}
static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
--
GitLab
From 3cf5abf2860bc538620fc3dfca06f403964b787b Mon Sep 17 00:00:00 2001
From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Date: Tue, 26 Mar 2024 14:21:30 +0530
Subject: [PATCH 1742/2686] MAINTAINERS: Drop Gustavo Pimentel as PCI DWC
Maintainer
Gustavo Pimentel seems to have left Synopsys, so his email is bouncing.
And there is no indication from him expressing willingless to continue
contributing to the driver.
Drop him from the MAINTAINERS entry and add a CREDITS entry.
Link: https://lore.kernel.org/r/20240326085130.12487-1-manivannan.sadhasivam@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
[bhelgaas: add CREDITS entry]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
CREDITS | 4 ++++
MAINTAINERS | 1 -
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/CREDITS b/CREDITS
index c55c5a0ee4ff6..0107047f807bf 100644
--- a/CREDITS
+++ b/CREDITS
@@ -3146,6 +3146,10 @@ S: Triftstra=DFe 55
S: 13353 Berlin
S: Germany
+N: Gustavo Pimental
+E: gustavo.pimentel@synopsys.com
+D: PCI driver for Synopsys DesignWare
+
N: Emanuel Pirker
E: epirker@edu.uni-klu.ac.at
D: AIC5800 IEEE 1394, RAW I/O on 1394
diff --git a/MAINTAINERS b/MAINTAINERS
index aa3b947fb0801..f615407222690 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16966,7 +16966,6 @@ F: drivers/pci/controller/dwc/pci-exynos.c
PCI DRIVER FOR SYNOPSYS DESIGNWARE
M: Jingoo Han <jingoohan1@gmail.com>
-M: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
M: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
L: linux-pci@vger.kernel.org
S: Maintained
--
GitLab
From 6dbdd4de0362c37e54e8b049781402e5a409e7d0 Mon Sep 17 00:00:00 2001
From: Vitaly Lifshits <vitaly.lifshits@intel.com>
Date: Thu, 4 Jan 2024 16:16:52 +0200
Subject: [PATCH 1743/2686] e1000e: Workaround for sporadic MDI error on Meteor
Lake systems
On some Meteor Lake systems accessing the PHY via the MDIO interface may
result in an MDI error. This issue happens sporadically and in most cases
a second access to the PHY via the MDIO interface results in success.
As a workaround, introduce a retry counter which is set to 3 on Meteor
Lake systems. The driver will only return an error if 3 consecutive PHY
access attempts fail. The retry mechanism is disabled in specific flows,
where MDI errors are expected.
Fixes: cc23f4f0b6b9 ("e1000e: Add support for Meteor Lake")
Suggested-by: Nikolay Mushayev <nikolay.mushayev@intel.com>
Co-developed-by: Nir Efrati <nir.efrati@intel.com>
Signed-off-by: Nir Efrati <nir.efrati@intel.com>
Signed-off-by: Vitaly Lifshits <vitaly.lifshits@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
drivers/net/ethernet/intel/e1000e/hw.h | 2 +
drivers/net/ethernet/intel/e1000e/ich8lan.c | 33 ++++
drivers/net/ethernet/intel/e1000e/phy.c | 182 ++++++++++++--------
drivers/net/ethernet/intel/e1000e/phy.h | 2 +
4 files changed, 150 insertions(+), 69 deletions(-)
diff --git a/drivers/net/ethernet/intel/e1000e/hw.h b/drivers/net/ethernet/intel/e1000e/hw.h
index 1fef6bb5a5fbc..4b6e7536170ab 100644
--- a/drivers/net/ethernet/intel/e1000e/hw.h
+++ b/drivers/net/ethernet/intel/e1000e/hw.h
@@ -628,6 +628,7 @@ struct e1000_phy_info {
u32 id;
u32 reset_delay_us; /* in usec */
u32 revision;
+ u32 retry_count;
enum e1000_media_type media_type;
@@ -644,6 +645,7 @@ struct e1000_phy_info {
bool polarity_correction;
bool speed_downgraded;
bool autoneg_wait_to_complete;
+ bool retry_enabled;
};
struct e1000_nvm_info {
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 19e450a5bd314..d8e97669f31b0 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -222,11 +222,18 @@ static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw)
if (hw->mac.type >= e1000_pch_lpt) {
/* Only unforce SMBus if ME is not active */
if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) {
+ /* Switching PHY interface always returns MDI error
+ * so disable retry mechanism to avoid wasting time
+ */
+ e1000e_disable_phy_retry(hw);
+
/* Unforce SMBus mode in PHY */
e1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg);
phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS;
e1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg);
+ e1000e_enable_phy_retry(hw);
+
/* Unforce SMBus mode in MAC */
mac_reg = er32(CTRL_EXT);
mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;
@@ -310,6 +317,11 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
goto out;
}
+ /* There is no guarantee that the PHY is accessible at this time
+ * so disable retry mechanism to avoid wasting time
+ */
+ e1000e_disable_phy_retry(hw);
+
/* The MAC-PHY interconnect may be in SMBus mode. If the PHY is
* inaccessible and resetting the PHY is not blocked, toggle the
* LANPHYPC Value bit to force the interconnect to PCIe mode.
@@ -380,6 +392,8 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
break;
}
+ e1000e_enable_phy_retry(hw);
+
hw->phy.ops.release(hw);
if (!ret_val) {
@@ -449,6 +463,11 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
phy->id = e1000_phy_unknown;
+ if (hw->mac.type == e1000_pch_mtp) {
+ phy->retry_count = 2;
+ e1000e_enable_phy_retry(hw);
+ }
+
ret_val = e1000_init_phy_workarounds_pchlan(hw);
if (ret_val)
return ret_val;
@@ -1146,6 +1165,11 @@ s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx)
if (ret_val)
goto out;
+ /* Switching PHY interface always returns MDI error
+ * so disable retry mechanism to avoid wasting time
+ */
+ e1000e_disable_phy_retry(hw);
+
/* Force SMBus mode in PHY */
ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg);
if (ret_val)
@@ -1153,6 +1177,8 @@ s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx)
phy_reg |= CV_SMB_CTRL_FORCE_SMBUS;
e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg);
+ e1000e_enable_phy_retry(hw);
+
/* Force SMBus mode in MAC */
mac_reg = er32(CTRL_EXT);
mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS;
@@ -1313,6 +1339,11 @@ static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force)
/* Toggle LANPHYPC Value bit */
e1000_toggle_lanphypc_pch_lpt(hw);
+ /* Switching PHY interface always returns MDI error
+ * so disable retry mechanism to avoid wasting time
+ */
+ e1000e_disable_phy_retry(hw);
+
/* Unforce SMBus mode in PHY */
ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg);
if (ret_val) {
@@ -1333,6 +1364,8 @@ static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force)
phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS;
e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg);
+ e1000e_enable_phy_retry(hw);
+
/* Unforce SMBus mode in MAC */
mac_reg = er32(CTRL_EXT);
mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;
diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c
index 5e329156d1bae..93544f1cc2a51 100644
--- a/drivers/net/ethernet/intel/e1000e/phy.c
+++ b/drivers/net/ethernet/intel/e1000e/phy.c
@@ -107,6 +107,16 @@ s32 e1000e_phy_reset_dsp(struct e1000_hw *hw)
return e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0);
}
+void e1000e_disable_phy_retry(struct e1000_hw *hw)
+{
+ hw->phy.retry_enabled = false;
+}
+
+void e1000e_enable_phy_retry(struct e1000_hw *hw)
+{
+ hw->phy.retry_enabled = true;
+}
+
/**
* e1000e_read_phy_reg_mdic - Read MDI control register
* @hw: pointer to the HW structure
@@ -118,55 +128,73 @@ s32 e1000e_phy_reset_dsp(struct e1000_hw *hw)
**/
s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
{
+ u32 i, mdic = 0, retry_counter, retry_max;
struct e1000_phy_info *phy = &hw->phy;
- u32 i, mdic = 0;
+ bool success;
if (offset > MAX_PHY_REG_ADDRESS) {
e_dbg("PHY Address %d is out of range\n", offset);
return -E1000_ERR_PARAM;
}
+ retry_max = phy->retry_enabled ? phy->retry_count : 0;
+
/* Set up Op-code, Phy Address, and register offset in the MDI
* Control register. The MAC will take care of interfacing with the
* PHY to retrieve the desired data.
*/
- mdic = ((offset << E1000_MDIC_REG_SHIFT) |
- (phy->addr << E1000_MDIC_PHY_SHIFT) |
- (E1000_MDIC_OP_READ));
+ for (retry_counter = 0; retry_counter <= retry_max; retry_counter++) {
+ success = true;
- ew32(MDIC, mdic);
+ mdic = ((offset << E1000_MDIC_REG_SHIFT) |
+ (phy->addr << E1000_MDIC_PHY_SHIFT) |
+ (E1000_MDIC_OP_READ));
- /* Poll the ready bit to see if the MDI read completed
- * Increasing the time out as testing showed failures with
- * the lower time out
- */
- for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
- udelay(50);
- mdic = er32(MDIC);
- if (mdic & E1000_MDIC_READY)
- break;
- }
- if (!(mdic & E1000_MDIC_READY)) {
- e_dbg("MDI Read PHY Reg Address %d did not complete\n", offset);
- return -E1000_ERR_PHY;
- }
- if (mdic & E1000_MDIC_ERROR) {
- e_dbg("MDI Read PHY Reg Address %d Error\n", offset);
- return -E1000_ERR_PHY;
- }
- if (FIELD_GET(E1000_MDIC_REG_MASK, mdic) != offset) {
- e_dbg("MDI Read offset error - requested %d, returned %d\n",
- offset, FIELD_GET(E1000_MDIC_REG_MASK, mdic));
- return -E1000_ERR_PHY;
+ ew32(MDIC, mdic);
+
+ /* Poll the ready bit to see if the MDI read completed
+ * Increasing the time out as testing showed failures with
+ * the lower time out
+ */
+ for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
+ usleep_range(50, 60);
+ mdic = er32(MDIC);
+ if (mdic & E1000_MDIC_READY)
+ break;
+ }
+ if (!(mdic & E1000_MDIC_READY)) {
+ e_dbg("MDI Read PHY Reg Address %d did not complete\n",
+ offset);
+ success = false;
+ }
+ if (mdic & E1000_MDIC_ERROR) {
+ e_dbg("MDI Read PHY Reg Address %d Error\n", offset);
+ success = false;
+ }
+ if (FIELD_GET(E1000_MDIC_REG_MASK, mdic) != offset) {
+ e_dbg("MDI Read offset error - requested %d, returned %d\n",
+ offset, FIELD_GET(E1000_MDIC_REG_MASK, mdic));
+ success = false;
+ }
+
+ /* Allow some time after each MDIC transaction to avoid
+ * reading duplicate data in the next MDIC transaction.
+ */
+ if (hw->mac.type == e1000_pch2lan)
+ usleep_range(100, 150);
+
+ if (success) {
+ *data = (u16)mdic;
+ return 0;
+ }
+
+ if (retry_counter != retry_max) {
+ e_dbg("Perform retry on PHY transaction...\n");
+ mdelay(10);
+ }
}
- *data = (u16)mdic;
- /* Allow some time after each MDIC transaction to avoid
- * reading duplicate data in the next MDIC transaction.
- */
- if (hw->mac.type == e1000_pch2lan)
- udelay(100);
- return 0;
+ return -E1000_ERR_PHY;
}
/**
@@ -179,56 +207,72 @@ s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
**/
s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
{
+ u32 i, mdic = 0, retry_counter, retry_max;
struct e1000_phy_info *phy = &hw->phy;
- u32 i, mdic = 0;
+ bool success;
if (offset > MAX_PHY_REG_ADDRESS) {
e_dbg("PHY Address %d is out of range\n", offset);
return -E1000_ERR_PARAM;
}
+ retry_max = phy->retry_enabled ? phy->retry_count : 0;
+
/* Set up Op-code, Phy Address, and register offset in the MDI
* Control register. The MAC will take care of interfacing with the
* PHY to retrieve the desired data.
*/
- mdic = (((u32)data) |
- (offset << E1000_MDIC_REG_SHIFT) |
- (phy->addr << E1000_MDIC_PHY_SHIFT) |
- (E1000_MDIC_OP_WRITE));
+ for (retry_counter = 0; retry_counter <= retry_max; retry_counter++) {
+ success = true;
- ew32(MDIC, mdic);
+ mdic = (((u32)data) |
+ (offset << E1000_MDIC_REG_SHIFT) |
+ (phy->addr << E1000_MDIC_PHY_SHIFT) |
+ (E1000_MDIC_OP_WRITE));
- /* Poll the ready bit to see if the MDI read completed
- * Increasing the time out as testing showed failures with
- * the lower time out
- */
- for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
- udelay(50);
- mdic = er32(MDIC);
- if (mdic & E1000_MDIC_READY)
- break;
- }
- if (!(mdic & E1000_MDIC_READY)) {
- e_dbg("MDI Write PHY Reg Address %d did not complete\n", offset);
- return -E1000_ERR_PHY;
- }
- if (mdic & E1000_MDIC_ERROR) {
- e_dbg("MDI Write PHY Red Address %d Error\n", offset);
- return -E1000_ERR_PHY;
- }
- if (FIELD_GET(E1000_MDIC_REG_MASK, mdic) != offset) {
- e_dbg("MDI Write offset error - requested %d, returned %d\n",
- offset, FIELD_GET(E1000_MDIC_REG_MASK, mdic));
- return -E1000_ERR_PHY;
- }
+ ew32(MDIC, mdic);
- /* Allow some time after each MDIC transaction to avoid
- * reading duplicate data in the next MDIC transaction.
- */
- if (hw->mac.type == e1000_pch2lan)
- udelay(100);
+ /* Poll the ready bit to see if the MDI read completed
+ * Increasing the time out as testing showed failures with
+ * the lower time out
+ */
+ for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
+ usleep_range(50, 60);
+ mdic = er32(MDIC);
+ if (mdic & E1000_MDIC_READY)
+ break;
+ }
+ if (!(mdic & E1000_MDIC_READY)) {
+ e_dbg("MDI Write PHY Reg Address %d did not complete\n",
+ offset);
+ success = false;
+ }
+ if (mdic & E1000_MDIC_ERROR) {
+ e_dbg("MDI Write PHY Reg Address %d Error\n", offset);
+ success = false;
+ }
+ if (FIELD_GET(E1000_MDIC_REG_MASK, mdic) != offset) {
+ e_dbg("MDI Write offset error - requested %d, returned %d\n",
+ offset, FIELD_GET(E1000_MDIC_REG_MASK, mdic));
+ success = false;
+ }
- return 0;
+ /* Allow some time after each MDIC transaction to avoid
+ * reading duplicate data in the next MDIC transaction.
+ */
+ if (hw->mac.type == e1000_pch2lan)
+ usleep_range(100, 150);
+
+ if (success)
+ return 0;
+
+ if (retry_counter != retry_max) {
+ e_dbg("Perform retry on PHY transaction...\n");
+ mdelay(10);
+ }
+ }
+
+ return -E1000_ERR_PHY;
}
/**
diff --git a/drivers/net/ethernet/intel/e1000e/phy.h b/drivers/net/ethernet/intel/e1000e/phy.h
index c48777d095235..049bb325b4b14 100644
--- a/drivers/net/ethernet/intel/e1000e/phy.h
+++ b/drivers/net/ethernet/intel/e1000e/phy.h
@@ -51,6 +51,8 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data);
s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data);
void e1000_power_up_phy_copper(struct e1000_hw *hw);
void e1000_power_down_phy_copper(struct e1000_hw *hw);
+void e1000e_disable_phy_retry(struct e1000_hw *hw);
+void e1000e_enable_phy_retry(struct e1000_hw *hw);
s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data);
s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data);
s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data);
--
GitLab
From 861e8086029e003305750b4126ecd6617465f5c7 Mon Sep 17 00:00:00 2001
From: Vitaly Lifshits <vitaly.lifshits@intel.com>
Date: Sun, 3 Mar 2024 12:51:32 +0200
Subject: [PATCH 1744/2686] e1000e: move force SMBUS from enable ulp function
to avoid PHY loss issue
Forcing SMBUS inside the ULP enabling flow leads to sporadic PHY loss on
some systems. It is suspected to be caused by initiating PHY transactions
before the interface settles.
Separating this configuration from the ULP enabling flow and moving it to
the shutdown function allows enough time for the interface to settle and
avoids adding a delay.
Fixes: 6607c99e7034 ("e1000e: i219 - fix to enable both ULP and EEE in Sx state")
Co-developed-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Signed-off-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Signed-off-by: Vitaly Lifshits <vitaly.lifshits@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
drivers/net/ethernet/intel/e1000e/ich8lan.c | 19 -------------------
drivers/net/ethernet/intel/e1000e/netdev.c | 18 ++++++++++++++++++
2 files changed, 18 insertions(+), 19 deletions(-)
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index d8e97669f31b0..f9e94be36e97f 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1165,25 +1165,6 @@ s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx)
if (ret_val)
goto out;
- /* Switching PHY interface always returns MDI error
- * so disable retry mechanism to avoid wasting time
- */
- e1000e_disable_phy_retry(hw);
-
- /* Force SMBus mode in PHY */
- ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg);
- if (ret_val)
- goto release;
- phy_reg |= CV_SMB_CTRL_FORCE_SMBUS;
- e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg);
-
- e1000e_enable_phy_retry(hw);
-
- /* Force SMBus mode in MAC */
- mac_reg = er32(CTRL_EXT);
- mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS;
- ew32(CTRL_EXT, mac_reg);
-
/* Si workaround for ULP entry flow on i127/rev6 h/w. Enable
* LPLU and disable Gig speed when entering ULP
*/
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index cc8c531ec3dff..3692fce201959 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -6623,6 +6623,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
struct e1000_hw *hw = &adapter->hw;
u32 ctrl, ctrl_ext, rctl, status, wufc;
int retval = 0;
+ u16 smb_ctrl;
/* Runtime suspend should only enable wakeup for link changes */
if (runtime)
@@ -6696,6 +6697,23 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
if (retval)
return retval;
}
+
+ /* Force SMBUS to allow WOL */
+ /* Switching PHY interface always returns MDI error
+ * so disable retry mechanism to avoid wasting time
+ */
+ e1000e_disable_phy_retry(hw);
+
+ e1e_rphy(hw, CV_SMB_CTRL, &smb_ctrl);
+ smb_ctrl |= CV_SMB_CTRL_FORCE_SMBUS;
+ e1e_wphy(hw, CV_SMB_CTRL, smb_ctrl);
+
+ e1000e_enable_phy_retry(hw);
+
+ /* Force SMBus mode in MAC */
+ ctrl_ext = er32(CTRL_EXT);
+ ctrl_ext |= E1000_CTRL_EXT_FORCE_SMBUS;
+ ew32(CTRL_EXT, ctrl_ext);
}
/* Ensure that the appropriate bits are set in LPI_CTRL
--
GitLab
From a1aa5390cc912934fee76ce80af5f940452fa987 Mon Sep 17 00:00:00 2001
From: Sergey Shtylyov <s.shtylyov@omp.ru>
Date: Wed, 27 Mar 2024 19:52:49 +0300
Subject: [PATCH 1745/2686] of: module: prevent NULL pointer dereference in
vsnprintf()
In of_modalias(), we can get passed the str and len parameters which would
cause a kernel oops in vsnprintf() since it only allows passing a NULL ptr
when the length is also 0. Also, we need to filter out the negative values
of the len parameter as these will result in a really huge buffer since
snprintf() takes size_t parameter while ours is ssize_t...
Found by Linux Verification Center (linuxtesting.org) with the Svace static
analysis tool.
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/1d211023-3923-685b-20f0-f3f90ea56e1f@omp.ru
Signed-off-by: Rob Herring <robh@kernel.org>
---
drivers/of/module.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/of/module.c b/drivers/of/module.c
index 0e8aa974f0f2b..f58e624953a20 100644
--- a/drivers/of/module.c
+++ b/drivers/of/module.c
@@ -16,6 +16,14 @@ ssize_t of_modalias(const struct device_node *np, char *str, ssize_t len)
ssize_t csize;
ssize_t tsize;
+ /*
+ * Prevent a kernel oops in vsnprintf() -- it only allows passing a
+ * NULL ptr when the length is also 0. Also filter out the negative
+ * lengths...
+ */
+ if ((len > 0 && !str) || len < 0)
+ return -EINVAL;
+
/* Name & Type */
/* %p eats all alphanum characters, so %c must be used here */
csize = snprintf(str, len, "of:N%pOFn%c%s", np, 'T',
--
GitLab
From 7e3465f63a0a70641ed8e49f9d40ee613f7da586 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 23 Mar 2024 17:51:01 +0900
Subject: [PATCH 1746/2686] kconfig: do not reparent the menu inside a choice
block
The boolean 'choice' is used to list exclusively selected config
options.
You must not add a dependency between choice members, because such a
dependency would create an invisible entry.
In the following test case, it is impossible to choose 'C'.
[Test Case 1]
choice
prompt "Choose one, but how to choose C?"
config A
bool "A"
config B
bool "B"
config C
bool "C"
depends on A
endchoice
Hence, Kconfig shows the following error message:
Kconfig:1:error: recursive dependency detected!
Kconfig:1: choice <choice> contains symbol C
Kconfig:10: symbol C is part of choice A
Kconfig:4: symbol A is part of choice <choice>
For a resolution refer to Documentation/kbuild/kconfig-language.rst
subsection "Kconfig recursive dependency limitations"
However, Kconfig does not report anything for the following similar code:
[Test Case 2]
choice
prompt "Choose one, but how to choose B?"
config A
bool "A"
config B
bool "B"
depends on A
config C
bool "C"
endchoice
This is because menu_finalize() reparents the menu tree when an entry
depends on the preceding one.
With reparenting, the menu tree:
choice
|- A
|- B
\- C
... will be transformed into the following structure:
choice
|- A
| \- B
\- C
Consequently, Kconfig considers only 'A' and 'C' as choice members.
This behavior is awkward. The second test case should be an error too.
This commit stops reparenting inside a choice.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/conf.c | 5 -----
scripts/kconfig/lkc.h | 2 +-
scripts/kconfig/menu.c | 22 ++++++++++++++++------
scripts/kconfig/parser.y | 2 +-
4 files changed, 18 insertions(+), 13 deletions(-)
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index b5730061872ba..965bb40c50e51 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -552,11 +552,6 @@ static int conf_choice(struct menu *menu)
continue;
}
sym_set_tristate_value(child->sym, yes);
- for (child = child->list; child; child = child->next) {
- indent += 2;
- conf(child);
- indent -= 2;
- }
return 1;
}
}
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index e69d7c59d9302..e7cc9e985c4f0 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -89,7 +89,7 @@ void menu_add_visibility(struct expr *dep);
struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
-void menu_finalize(struct menu *parent);
+void menu_finalize(void);
void menu_set_type(int type);
extern struct menu rootmenu;
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 8498481e6afe3..3b822cd110f47 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -282,7 +282,7 @@ static void sym_check_prop(struct symbol *sym)
}
}
-void menu_finalize(struct menu *parent)
+static void _menu_finalize(struct menu *parent, bool inside_choice)
{
struct menu *menu, *last_menu;
struct symbol *sym;
@@ -296,7 +296,12 @@ void menu_finalize(struct menu *parent)
* and propagate parent dependencies before moving on.
*/
- if (sym && sym_is_choice(sym)) {
+ bool is_choice = false;
+
+ if (sym && sym_is_choice(sym))
+ is_choice = true;
+
+ if (is_choice) {
if (sym->type == S_UNKNOWN) {
/* find the first choice value to find out choice type */
current_entry = parent;
@@ -394,7 +399,7 @@ void menu_finalize(struct menu *parent)
}
}
- if (sym && sym_is_choice(sym))
+ if (is_choice)
expr_free(parentdep);
/*
@@ -402,8 +407,8 @@ void menu_finalize(struct menu *parent)
* moving on
*/
for (menu = parent->list; menu; menu = menu->next)
- menu_finalize(menu);
- } else if (sym) {
+ _menu_finalize(menu, is_choice);
+ } else if (!inside_choice && sym) {
/*
* Automatic submenu creation. If sym is a symbol and A, B, C,
* ... are consecutive items (symbols, menus, ifs, etc.) that
@@ -463,7 +468,7 @@ void menu_finalize(struct menu *parent)
/* Superset, put in submenu */
expr_free(dep2);
next:
- menu_finalize(menu);
+ _menu_finalize(menu, false);
menu->parent = parent;
last_menu = menu;
}
@@ -582,6 +587,11 @@ void menu_finalize(struct menu *parent)
}
}
+void menu_finalize(void)
+{
+ _menu_finalize(&rootmenu, false);
+}
+
bool menu_has_prompt(struct menu *menu)
{
if (!menu->prompt)
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index b45bfaf0a02b1..7fb996612c966 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -515,7 +515,7 @@ void conf_parse(const char *name)
menu_add_prompt(P_MENU, "Main menu", NULL);
}
- menu_finalize(&rootmenu);
+ menu_finalize();
menu = &rootmenu;
while (menu) {
--
GitLab
From 0316e4b04e0156633df7474bae8e8b0791ce028f Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 23 Mar 2024 18:06:15 +0900
Subject: [PATCH 1747/2686] export.h: remove include/asm-generic/export.h
Commit 3a6dd5f614a1 ("riscv: remove unneeded #include
<asm-generic/export.h>") removed the last use of
include/asm-generic/export.h.
This deprecated header can go away.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
include/asm-generic/export.h | 11 -----------
1 file changed, 11 deletions(-)
delete mode 100644 include/asm-generic/export.h
diff --git a/include/asm-generic/export.h b/include/asm-generic/export.h
deleted file mode 100644
index 570cd4da72105..0000000000000
--- a/include/asm-generic/export.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-#ifndef __ASM_GENERIC_EXPORT_H
-#define __ASM_GENERIC_EXPORT_H
-
-/*
- * <asm/export.h> and <asm-generic/export.h> are deprecated.
- * Please include <linux/export.h> directly.
- */
-#include <linux/export.h>
-
-#endif
--
GitLab
From 1102f9f85bf66b1a7bd6a40afb40efbbe05dfc05 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 23 Mar 2024 20:45:11 +0900
Subject: [PATCH 1748/2686] modpost: do not make find_tosym() return NULL
As mentioned in commit 397586506c3d ("modpost: Add '.ltext' and
'.ltext.*' to TEXT_SECTIONS"), modpost can result in a segmentation
fault due to a NULL pointer dereference in default_mismatch_handler().
find_tosym() can return the original symbol pointer instead of NULL
if a better one is not found.
This fixes the reported segmentation fault.
Fixes: a23e7584ecf3 ("modpost: unify 'sym' and 'to' in default_mismatch_handler()")
Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/mod/modpost.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 6b37039c9e927..2f5b91da5afa9 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1007,6 +1007,8 @@ static Elf_Sym *find_fromsym(struct elf_info *elf, Elf_Addr addr,
static Elf_Sym *find_tosym(struct elf_info *elf, Elf_Addr addr, Elf_Sym *sym)
{
+ Elf_Sym *new_sym;
+
/* If the supplied symbol has a valid name, return it */
if (is_valid_name(elf, sym))
return sym;
@@ -1015,8 +1017,9 @@ static Elf_Sym *find_tosym(struct elf_info *elf, Elf_Addr addr, Elf_Sym *sym)
* Strive to find a better symbol name, but the resulting name may not
* match the symbol referenced in the original code.
*/
- return symsearch_find_nearest(elf, addr, get_secindex(elf, sym),
- true, 20);
+ new_sym = symsearch_find_nearest(elf, addr, get_secindex(elf, sym),
+ true, 20);
+ return new_sym ? new_sym : sym;
}
static bool is_executable_section(struct elf_info *elf, unsigned int secndx)
--
GitLab
From b32ca27fa238ff83427d23bef2a5b741e2a88a1e Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Thu, 21 Mar 2024 01:27:50 +0100
Subject: [PATCH 1749/2686] netfilter: nf_tables: reject destroy command to
remove basechain hooks
Report EOPNOTSUPP if NFT_MSG_DESTROYCHAIN is used to delete hooks in an
existing netdev basechain, thus, only NFT_MSG_DELCHAIN is allowed.
Fixes: 7d937b107108f ("netfilter: nf_tables: support for deleting devices in an existing netdev chain")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 5fa3d3540c93c..a1a8030e16a52 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2944,7 +2944,8 @@ static int nf_tables_delchain(struct sk_buff *skb, const struct nfnl_info *info,
nft_ctx_init(&ctx, net, skb, info->nlh, family, table, chain, nla);
if (nla[NFTA_CHAIN_HOOK]) {
- if (chain->flags & NFT_CHAIN_HW_OFFLOAD)
+ if (NFNL_MSG_TYPE(info->nlh->nlmsg_type) == NFT_MSG_DESTROYCHAIN ||
+ chain->flags & NFT_CHAIN_HW_OFFLOAD)
return -EOPNOTSUPP;
if (nft_is_base_chain(chain)) {
--
GitLab
From 1e1fb6f00f52812277963365d9bd835b9b0ea4e0 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Thu, 21 Mar 2024 01:27:59 +0100
Subject: [PATCH 1750/2686] netfilter: nf_tables: reject table flag and netdev
basechain updates
netdev basechain updates are stored in the transaction object hook list.
When setting on the table dormant flag, it iterates over the existing
hooks in the basechain. Thus, skipping the hooks that are being
added/deleted in this transaction, which leaves hook registration in
inconsistent state.
Reject table flag updates in combination with netdev basechain updates
in the same batch:
- Update table flags and add/delete basechain: Check from basechain update
path if there are pending flag updates for this table.
- add/delete basechain and update table flags: Iterate over the transaction
list to search for basechain updates from the table update path.
In both cases, the batch is rejected. Based on suggestion from Florian Westphal.
Fixes: b9703ed44ffb ("netfilter: nf_tables: support for adding new devices to an existing netdev chain")
Fixes: 7d937b107108f ("netfilter: nf_tables: support for deleting devices in an existing netdev chain")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 31 ++++++++++++++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index a1a8030e16a52..086d85fffeb15 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1200,6 +1200,25 @@ static void nf_tables_table_disable(struct net *net, struct nft_table *table)
__NFT_TABLE_F_WAS_AWAKEN | \
__NFT_TABLE_F_WAS_ORPHAN)
+static bool nft_table_pending_update(const struct nft_ctx *ctx)
+{
+ struct nftables_pernet *nft_net = nft_pernet(ctx->net);
+ struct nft_trans *trans;
+
+ if (ctx->table->flags & __NFT_TABLE_F_UPDATE)
+ return true;
+
+ list_for_each_entry(trans, &nft_net->commit_list, list) {
+ if ((trans->msg_type == NFT_MSG_NEWCHAIN ||
+ trans->msg_type == NFT_MSG_DELCHAIN) &&
+ trans->ctx.table == ctx->table &&
+ nft_trans_chain_update(trans))
+ return true;
+ }
+
+ return false;
+}
+
static int nf_tables_updtable(struct nft_ctx *ctx)
{
struct nft_trans *trans;
@@ -1226,7 +1245,7 @@ static int nf_tables_updtable(struct nft_ctx *ctx)
return -EOPNOTSUPP;
/* No dormant off/on/off/on games in single transaction */
- if (ctx->table->flags & __NFT_TABLE_F_UPDATE)
+ if (nft_table_pending_update(ctx))
return -EINVAL;
trans = nft_trans_alloc(ctx, NFT_MSG_NEWTABLE,
@@ -2631,6 +2650,13 @@ static int nf_tables_updchain(struct nft_ctx *ctx, u8 genmask, u8 policy,
}
}
+ if (table->flags & __NFT_TABLE_F_UPDATE &&
+ !list_empty(&hook.list)) {
+ NL_SET_BAD_ATTR(extack, attr);
+ err = -EOPNOTSUPP;
+ goto err_hooks;
+ }
+
if (!(table->flags & NFT_TABLE_F_DORMANT) &&
nft_is_base_chain(chain) &&
!list_empty(&hook.list)) {
@@ -2860,6 +2886,9 @@ static int nft_delchain_hook(struct nft_ctx *ctx,
struct nft_trans *trans;
int err;
+ if (ctx->table->flags & __NFT_TABLE_F_UPDATE)
+ return -EOPNOTSUPP;
+
err = nft_chain_parse_hook(ctx->net, basechain, nla, &chain_hook,
ctx->family, chain->flags, extack);
if (err < 0)
--
GitLab
From 216e7bf7402caf73f4939a8e0248392e96d7c0da Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Thu, 21 Mar 2024 01:28:07 +0100
Subject: [PATCH 1751/2686] netfilter: nf_tables: skip netdev hook
unregistration if table is dormant
Skip hook unregistration when adding or deleting devices from an
existing netdev basechain. Otherwise, commit/abort path try to
unregister hooks which not enabled.
Fixes: b9703ed44ffb ("netfilter: nf_tables: support for adding new devices to an existing netdev chain")
Fixes: 7d937b107108 ("netfilter: nf_tables: support for deleting devices in an existing netdev chain")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 086d85fffeb15..fd86f2720c9e7 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -10212,9 +10212,11 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)
if (nft_trans_chain_update(trans)) {
nf_tables_chain_notify(&trans->ctx, NFT_MSG_DELCHAIN,
&nft_trans_chain_hooks(trans));
- nft_netdev_unregister_hooks(net,
- &nft_trans_chain_hooks(trans),
- true);
+ if (!(trans->ctx.table->flags & NFT_TABLE_F_DORMANT)) {
+ nft_netdev_unregister_hooks(net,
+ &nft_trans_chain_hooks(trans),
+ true);
+ }
} else {
nft_chain_del(trans->ctx.chain);
nf_tables_chain_notify(&trans->ctx, NFT_MSG_DELCHAIN,
@@ -10490,9 +10492,11 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
break;
case NFT_MSG_NEWCHAIN:
if (nft_trans_chain_update(trans)) {
- nft_netdev_unregister_hooks(net,
- &nft_trans_chain_hooks(trans),
- true);
+ if (!(trans->ctx.table->flags & NFT_TABLE_F_DORMANT)) {
+ nft_netdev_unregister_hooks(net,
+ &nft_trans_chain_hooks(trans),
+ true);
+ }
free_percpu(nft_trans_chain_stats(trans));
kfree(nft_trans_chain_name(trans));
nft_trans_destroy(trans);
--
GitLab
From 15fba562f7a9f04322b8bfc8f392e04bb93d81be Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Mon, 25 Mar 2024 21:15:52 -0700
Subject: [PATCH 1752/2686] netfilter: arptables: Select NETFILTER_FAMILY_ARP
when building arp_tables.c
syzkaller started to report a warning below [0] after consuming the
commit 4654467dc7e1 ("netfilter: arptables: allow xtables-nft only
builds").
The change accidentally removed the dependency on NETFILTER_FAMILY_ARP
from IP_NF_ARPTABLES.
If NF_TABLES_ARP is not enabled on Kconfig, NETFILTER_FAMILY_ARP will
be removed and some code necessary for arptables will not be compiled.
$ grep -E "(NETFILTER_FAMILY_ARP|IP_NF_ARPTABLES|NF_TABLES_ARP)" .config
CONFIG_NETFILTER_FAMILY_ARP=y
# CONFIG_NF_TABLES_ARP is not set
CONFIG_IP_NF_ARPTABLES=y
$ make olddefconfig
$ grep -E "(NETFILTER_FAMILY_ARP|IP_NF_ARPTABLES|NF_TABLES_ARP)" .config
# CONFIG_NF_TABLES_ARP is not set
CONFIG_IP_NF_ARPTABLES=y
So, when nf_register_net_hooks() is called for arptables, it will
trigger the splat below.
Now IP_NF_ARPTABLES is only enabled by IP_NF_ARPFILTER, so let's
restore the dependency on NETFILTER_FAMILY_ARP in IP_NF_ARPFILTER.
[0]:
WARNING: CPU: 0 PID: 242 at net/netfilter/core.c:316 nf_hook_entry_head+0x1e1/0x2c0 net/netfilter/core.c:316
Modules linked in:
CPU: 0 PID: 242 Comm: syz-executor.0 Not tainted 6.8.0-12821-g537c2e91d354 #10
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
RIP: 0010:nf_hook_entry_head+0x1e1/0x2c0 net/netfilter/core.c:316
Code: 83 fd 04 0f 87 bc 00 00 00 e8 5b 84 83 fd 4d 8d ac ec a8 0b 00 00 e8 4e 84 83 fd 4c 89 e8 5b 5d 41 5c 41 5d c3 e8 3f 84 83 fd <0f> 0b e8 38 84 83 fd 45 31 ed 5b 5d 4c 89 e8 41 5c 41 5d c3 e8 26
RSP: 0018:ffffc90000b8f6e8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff83c42164
RDX: ffff888106851180 RSI: ffffffff83c42321 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 000000000000000a
R10: 0000000000000003 R11: ffff8881055c2f00 R12: ffff888112b78000
R13: 0000000000000000 R14: ffff8881055c2f00 R15: ffff8881055c2f00
FS: 00007f377bd78800(0000) GS:ffff88811b000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000496068 CR3: 000000011298b003 CR4: 0000000000770ef0
PKRU: 55555554
Call Trace:
<TASK>
__nf_register_net_hook+0xcd/0x7a0 net/netfilter/core.c:428
nf_register_net_hook+0x116/0x170 net/netfilter/core.c:578
nf_register_net_hooks+0x5d/0xc0 net/netfilter/core.c:594
arpt_register_table+0x250/0x420 net/ipv4/netfilter/arp_tables.c:1553
arptable_filter_table_init+0x41/0x60 net/ipv4/netfilter/arptable_filter.c:39
xt_find_table_lock+0x2e9/0x4b0 net/netfilter/x_tables.c:1260
xt_request_find_table_lock+0x2b/0xe0 net/netfilter/x_tables.c:1285
get_info+0x169/0x5c0 net/ipv4/netfilter/arp_tables.c:808
do_arpt_get_ctl+0x3f9/0x830 net/ipv4/netfilter/arp_tables.c:1444
nf_getsockopt+0x76/0xd0 net/netfilter/nf_sockopt.c:116
ip_getsockopt+0x17d/0x1c0 net/ipv4/ip_sockglue.c:1777
tcp_getsockopt+0x99/0x100 net/ipv4/tcp.c:4373
do_sock_getsockopt+0x279/0x360 net/socket.c:2373
__sys_getsockopt+0x115/0x1e0 net/socket.c:2402
__do_sys_getsockopt net/socket.c:2412 [inline]
__se_sys_getsockopt net/socket.c:2409 [inline]
__x64_sys_getsockopt+0xbd/0x150 net/socket.c:2409
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x4f/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x46/0x4e
RIP: 0033:0x7f377beca6fe
Code: 1f 44 00 00 48 8b 15 01 97 0a 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 c9
RSP: 002b:00000000005df728 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00000000004966e0 RCX: 00007f377beca6fe
RDX: 0000000000000060 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000042938a R08: 00000000005df73c R09: 00000000005df800
R10: 00000000004966e8 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000496068 R14: 0000000000000003 R15: 00000000004bc9d8
</TASK>
Fixes: 4654467dc7e1 ("netfilter: arptables: allow xtables-nft only builds")
Reported-by: syzkaller <syzkaller@googlegroups.com>
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/ipv4/netfilter/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index 8f6e950163a79..1b991b889506a 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -329,6 +329,7 @@ config NFT_COMPAT_ARP
config IP_NF_ARPFILTER
tristate "arptables-legacy packet filtering support"
select IP_NF_ARPTABLES
+ select NETFILTER_FAMILY_ARP
depends on NETFILTER_XTABLES
help
ARP packet filtering defines a table `filter', which has a series of
--
GitLab
From c404f55c26fc23c70a9f2262f3f36a69fc46289b Mon Sep 17 00:00:00 2001
From: Jason Gunthorpe <jgg@nvidia.com>
Date: Wed, 27 Mar 2024 10:41:39 -0300
Subject: [PATCH 1753/2686] iommu: Validate the PASID in
iommu_attach_device_pasid()
The SVA code checks that the PASID is valid for the device when assigning
the PASID to the MM, but the normal PAGING related path does not check it.
Devices that don't support PASID or PASID values too large for the device
should not invoke the driver callback. The drivers should rely on the
core code for this enforcement.
Fixes: 16603704559c7a68 ("iommu: Add attach/detach_dev_pasid iommu interfaces")
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/0-v1-460705442b30+659-iommu_check_pasid_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/iommu.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 098869007c69e..a95a483def2d2 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -3354,6 +3354,7 @@ int iommu_attach_device_pasid(struct iommu_domain *domain,
{
/* Caller must be a probed driver on dev */
struct iommu_group *group = dev->iommu_group;
+ struct group_device *device;
void *curr;
int ret;
@@ -3363,10 +3364,18 @@ int iommu_attach_device_pasid(struct iommu_domain *domain,
if (!group)
return -ENODEV;
- if (!dev_has_iommu(dev) || dev_iommu_ops(dev) != domain->owner)
+ if (!dev_has_iommu(dev) || dev_iommu_ops(dev) != domain->owner ||
+ pasid == IOMMU_NO_PASID)
return -EINVAL;
mutex_lock(&group->mutex);
+ for_each_group_device(group, device) {
+ if (pasid >= device->dev->iommu->max_pasids) {
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+ }
+
curr = xa_cmpxchg(&group->pasid_array, pasid, NULL, domain, GFP_KERNEL);
if (curr) {
ret = xa_err(curr) ? : -EBUSY;
--
GitLab
From 197aa825fdc4a3500f8d06518a4975f5461b4b19 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Thu, 28 Mar 2024 15:38:48 +1000
Subject: [PATCH 1754/2686] drm/i915: add bug.h include to i915_memcpy.c
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This is stopping me building here for some reason,
/home/airlied/devel/kernel/dim/drm-fixes/drivers/gpu/drm/i915/i915_memcpy.c: In function ‘i915_unaligned_memcpy_from_wc’:
/home/airlied/devel/kernel/dim/drm-fixes/drivers/gpu/drm/i915/i915_memcpy.c:33:25: error: implicit declaration of function ‘BUG_ON’; did you mean ‘CI_BUG_ON’? [-Werror=implicit-function-declaration]
33 | #define CI_BUG_ON(expr) BUG_ON(expr)
| ^~~~~~
/home/airlied/devel/kernel/dim/drm-fixes/drivers/gpu/drm/i915/i915_memcpy.c:144:9: note: in expansion of macro ‘CI_BUG_ON’
144 | CI_BUG_ON(!i915_has_memcpy_from_wc());
| ^~~~~~~~~
engage maintainer overrides :-)
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/i915/i915_memcpy.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/i915_memcpy.c b/drivers/gpu/drm/i915/i915_memcpy.c
index ba82277254b76..783de079ef44a 100644
--- a/drivers/gpu/drm/i915/i915_memcpy.c
+++ b/drivers/gpu/drm/i915/i915_memcpy.c
@@ -25,6 +25,7 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/cpufeature.h>
+#include <linux/bug.h>
#include <asm/fpu/api.h>
#include "i915_memcpy.h"
--
GitLab
From 6a4aee277740d04ac0fd54cfa17cc28261932ddc Mon Sep 17 00:00:00 2001
From: Christian Marangi <ansuelsmth@gmail.com>
Date: Mon, 25 Mar 2024 20:06:19 +0100
Subject: [PATCH 1755/2686] net: phy: qcom: at803x: fix kernel panic with
at8031_probe
On reworking and splitting the at803x driver, in splitting function of
at803x PHYs it was added a NULL dereference bug where priv is referenced
before it's actually allocated and then is tried to write to for the
is_1000basex and is_fiber variables in the case of at8031, writing on
the wrong address.
Fix this by correctly setting priv local variable only after
at803x_probe is called and actually allocates priv in the phydev struct.
Reported-by: William Wortel <wwortel@dorpstraat.com>
Cc: <stable@vger.kernel.org>
Fixes: 25d2ba94005f ("net: phy: at803x: move specific at8031 probe mode check to dedicated probe")
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240325190621.2665-1-ansuelsmth@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/phy/qcom/at803x.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/phy/qcom/at803x.c b/drivers/net/phy/qcom/at803x.c
index 4717c59d51d04..e79657f76bea2 100644
--- a/drivers/net/phy/qcom/at803x.c
+++ b/drivers/net/phy/qcom/at803x.c
@@ -797,7 +797,7 @@ static int at8031_parse_dt(struct phy_device *phydev)
static int at8031_probe(struct phy_device *phydev)
{
- struct at803x_priv *priv = phydev->priv;
+ struct at803x_priv *priv;
int mode_cfg;
int ccr;
int ret;
@@ -806,6 +806,8 @@ static int at8031_probe(struct phy_device *phydev)
if (ret)
return ret;
+ priv = phydev->priv;
+
/* Only supported on AR8031/AR8033, the AR8030/AR8035 use strapping
* options.
*/
--
GitLab
From dfd222e2aef68818320a57b13a1c52a44c22bc80 Mon Sep 17 00:00:00 2001
From: Justin Chen <justin.chen@broadcom.com>
Date: Mon, 25 Mar 2024 12:30:24 -0700
Subject: [PATCH 1756/2686] net: bcmasp: Bring up unimac after PHY link up
The unimac requires the PHY RX clk during reset or it may be put
into a bad state. Bring up the unimac after link up to ensure the
PHY RX clk exists.
Fixes: 490cb412007d ("net: bcmasp: Add support for ASP2.0 Ethernet controller")
Signed-off-by: Justin Chen <justin.chen@broadcom.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
.../net/ethernet/broadcom/asp2/bcmasp_intf.c | 28 +++++++++++++------
1 file changed, 19 insertions(+), 9 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c
index dd06b68b33ed6..34e5156762a86 100644
--- a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c
+++ b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c
@@ -392,7 +392,9 @@ static void umac_reset(struct bcmasp_intf *intf)
umac_wl(intf, 0x0, UMC_CMD);
umac_wl(intf, UMC_CMD_SW_RESET, UMC_CMD);
usleep_range(10, 100);
- umac_wl(intf, 0x0, UMC_CMD);
+ /* We hold the umac in reset and bring it out of
+ * reset when phy link is up.
+ */
}
static void umac_set_hw_addr(struct bcmasp_intf *intf,
@@ -412,6 +414,8 @@ static void umac_enable_set(struct bcmasp_intf *intf, u32 mask,
u32 reg;
reg = umac_rl(intf, UMC_CMD);
+ if (reg & UMC_CMD_SW_RESET)
+ return;
if (enable)
reg |= mask;
else
@@ -430,7 +434,6 @@ static void umac_init(struct bcmasp_intf *intf)
umac_wl(intf, 0x800, UMC_FRM_LEN);
umac_wl(intf, 0xffff, UMC_PAUSE_CNTRL);
umac_wl(intf, 0x800, UMC_RX_MAX_PKT_SZ);
- umac_enable_set(intf, UMC_CMD_PROMISC, 1);
}
static int bcmasp_tx_poll(struct napi_struct *napi, int budget)
@@ -658,6 +661,12 @@ static void bcmasp_adj_link(struct net_device *dev)
UMC_CMD_HD_EN | UMC_CMD_RX_PAUSE_IGNORE |
UMC_CMD_TX_PAUSE_IGNORE);
reg |= cmd_bits;
+ if (reg & UMC_CMD_SW_RESET) {
+ reg &= ~UMC_CMD_SW_RESET;
+ umac_wl(intf, reg, UMC_CMD);
+ udelay(2);
+ reg |= UMC_CMD_TX_EN | UMC_CMD_RX_EN | UMC_CMD_PROMISC;
+ }
umac_wl(intf, reg, UMC_CMD);
active = phy_init_eee(phydev, 0) >= 0;
@@ -1045,9 +1054,6 @@ static int bcmasp_netif_init(struct net_device *dev, bool phy_connect)
umac_init(intf);
- /* Disable the UniMAC RX/TX */
- umac_enable_set(intf, (UMC_CMD_RX_EN | UMC_CMD_TX_EN), 0);
-
umac_set_hw_addr(intf, dev->dev_addr);
intf->old_duplex = -1;
@@ -1062,9 +1068,6 @@ static int bcmasp_netif_init(struct net_device *dev, bool phy_connect)
netif_napi_add(intf->ndev, &intf->rx_napi, bcmasp_rx_poll);
bcmasp_enable_rx(intf, 1);
- /* Turn on UniMAC TX/RX */
- umac_enable_set(intf, (UMC_CMD_RX_EN | UMC_CMD_TX_EN), 1);
-
intf->crc_fwd = !!(umac_rl(intf, UMC_CMD) & UMC_CMD_CRC_FWD);
bcmasp_netif_start(dev);
@@ -1306,7 +1309,14 @@ static void bcmasp_suspend_to_wol(struct bcmasp_intf *intf)
if (intf->wolopts & WAKE_FILTER)
bcmasp_netfilt_suspend(intf);
- /* UniMAC receive needs to be turned on */
+ /* Bring UniMAC out of reset if needed and enable RX */
+ reg = umac_rl(intf, UMC_CMD);
+ if (reg & UMC_CMD_SW_RESET)
+ reg &= ~UMC_CMD_SW_RESET;
+
+ reg |= UMC_CMD_RX_EN | UMC_CMD_PROMISC;
+ umac_wl(intf, reg, UMC_CMD);
+
umac_enable_set(intf, UMC_CMD_RX_EN, 1);
if (intf->parent->wol_irq > 0) {
--
GitLab
From 4494c10e007121de6d3fbef909d38b4a64087239 Mon Sep 17 00:00:00 2001
From: Justin Chen <justin.chen@broadcom.com>
Date: Mon, 25 Mar 2024 12:30:25 -0700
Subject: [PATCH 1757/2686] net: bcmasp: Remove phy_{suspend/resume}
phy_{suspend/resume} is redundant. It gets called from phy_{stop/start}.
Fixes: 490cb412007d ("net: bcmasp: Add support for ASP2.0 Ethernet controller")
Signed-off-by: Justin Chen <justin.chen@broadcom.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c | 15 +--------------
1 file changed, 1 insertion(+), 14 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c
index 34e5156762a86..72ea97c5d5d42 100644
--- a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c
+++ b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c
@@ -1044,10 +1044,6 @@ static int bcmasp_netif_init(struct net_device *dev, bool phy_connect)
/* Indicate that the MAC is responsible for PHY PM */
phydev->mac_managed_pm = true;
- } else if (!intf->wolopts) {
- ret = phy_resume(dev->phydev);
- if (ret)
- goto err_phy_disable;
}
umac_reset(intf);
@@ -1334,7 +1330,6 @@ int bcmasp_interface_suspend(struct bcmasp_intf *intf)
{
struct device *kdev = &intf->parent->pdev->dev;
struct net_device *dev = intf->ndev;
- int ret = 0;
if (!netif_running(dev))
return 0;
@@ -1344,10 +1339,6 @@ int bcmasp_interface_suspend(struct bcmasp_intf *intf)
bcmasp_netif_deinit(dev);
if (!intf->wolopts) {
- ret = phy_suspend(dev->phydev);
- if (ret)
- goto out;
-
if (intf->internal_phy)
bcmasp_ephy_enable_set(intf, false);
else
@@ -1364,11 +1355,7 @@ int bcmasp_interface_suspend(struct bcmasp_intf *intf)
clk_disable_unprepare(intf->parent->clk);
- return ret;
-
-out:
- bcmasp_netif_init(dev, false);
- return ret;
+ return 0;
}
static void bcmasp_resume_from_wol(struct bcmasp_intf *intf)
--
GitLab
From 7cd78fd7e29644641b848d69a585f2aea45f0991 Mon Sep 17 00:00:00 2001
From: Miguel Ojeda <ojeda@kernel.org>
Date: Wed, 27 Mar 2024 18:55:55 +0100
Subject: [PATCH 1758/2686] drm/qxl: remove unused `count` variable from
`qxl_surface_id_alloc()`
Clang 14 in an (essentially) defconfig loongarch64 build for next-20240326
reports [1]:
drivers/gpu/drm/qxl/qxl_cmd.c:424:6: error: variable 'count' set
but not used [-Werror,-Wunused-but-set-variable]
The variable is already unused in the version that got into the tree.
Thus remove the unused variable.
Fixes: f64122c1f6ad ("drm: add new QXL driver. (v1.4)")
Closes: https://lore.kernel.org/lkml/CANiq72mjc5t4n25SQvYSrOEhxxpXYPZ4pPzneSJHEnc3qApu2Q@mail.gmail.com/ [1]
Closes: https://lore.kernel.org/all/20240327163331.GB1153323@dev-arch.thelio-3990X/
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://lore.kernel.org/r/20240327175556.233126-1-ojeda@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
drivers/gpu/drm/qxl/qxl_cmd.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c
index 281edab518cdd..d6ea01f3797be 100644
--- a/drivers/gpu/drm/qxl/qxl_cmd.c
+++ b/drivers/gpu/drm/qxl/qxl_cmd.c
@@ -421,7 +421,6 @@ int qxl_surface_id_alloc(struct qxl_device *qdev,
{
uint32_t handle;
int idr_ret;
- int count = 0;
again:
idr_preload(GFP_ATOMIC);
spin_lock(&qdev->surf_id_idr_lock);
@@ -433,7 +432,6 @@ int qxl_surface_id_alloc(struct qxl_device *qdev,
handle = idr_ret;
if (handle >= qdev->rom->n_surfaces) {
- count++;
spin_lock(&qdev->surf_id_idr_lock);
idr_remove(&qdev->surf_id_idr, handle);
spin_unlock(&qdev->surf_id_idr_lock);
--
GitLab
From aba2a144c0bf1ecdcbc520525712fb661392e509 Mon Sep 17 00:00:00 2001
From: Miguel Ojeda <ojeda@kernel.org>
Date: Wed, 27 Mar 2024 18:55:56 +0100
Subject: [PATCH 1759/2686] drm/qxl: remove unused variable from
`qxl_process_single_command()`
Clang 14 in an (essentially) defconfig loongarch64 build for next-20240327
reports [1]:
drivers/gpu/drm/qxl/qxl_ioctl.c:148:14: error: variable 'num_relocs'
set but not used [-Werror,-Wunused-but-set-variable]
The variable was originally used in the `out_free_bos` label, but commit
74d9a6335dce ("drm/qxl: Simplify cleaning qxl processing command")
removed the use that happened in that label.
Thus remove the unused variable.
Fixes: 74d9a6335dce ("drm/qxl: Simplify cleaning qxl processing command")
Closes: https://lore.kernel.org/lkml/CANiq72kqqQfUxLkHJYqeBAhpc6YcX7bfR96gmmbF=j8hEOykqw@mail.gmail.com/ [1]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://lore.kernel.org/r/20240327175556.233126-2-ojeda@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
drivers/gpu/drm/qxl/qxl_ioctl.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c
index dd0f834d881ce..506ae1f5e099f 100644
--- a/drivers/gpu/drm/qxl/qxl_ioctl.c
+++ b/drivers/gpu/drm/qxl/qxl_ioctl.c
@@ -145,7 +145,7 @@ static int qxl_process_single_command(struct qxl_device *qdev,
struct qxl_release *release;
struct qxl_bo *cmd_bo;
void *fb_cmd;
- int i, ret, num_relocs;
+ int i, ret;
int unwritten;
switch (cmd->type) {
@@ -200,7 +200,6 @@ static int qxl_process_single_command(struct qxl_device *qdev,
}
/* fill out reloc info structs */
- num_relocs = 0;
for (i = 0; i < cmd->relocs_num; ++i) {
struct drm_qxl_reloc reloc;
struct drm_qxl_reloc __user *u = u64_to_user_ptr(cmd->relocs);
@@ -230,7 +229,6 @@ static int qxl_process_single_command(struct qxl_device *qdev,
reloc_info[i].dst_bo = cmd_bo;
reloc_info[i].dst_offset = reloc.dst_offset + release->release_offset;
}
- num_relocs++;
/* reserve and validate the reloc dst bo */
if (reloc.reloc_type == QXL_RELOC_TYPE_BO || reloc.src_handle) {
--
GitLab
From e4a58989f5c839316ac63675e8800b9eed7dbe96 Mon Sep 17 00:00:00 2001
From: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Date: Tue, 26 Mar 2024 12:28:05 +0530
Subject: [PATCH 1760/2686] net: lan743x: Add set RFE read fifo threshold for
PCI1x1x chips
PCI11x1x Rev B0 devices might drop packets when receiving back to back frames
at 2.5G link speed. Change the B0 Rev device's Receive filtering Engine FIFO
threshold parameter from its hardware default of 4 to 3 dwords to prevent the
problem. Rev C0 and later hardware already defaults to 3 dwords.
Fixes: bb4f6bffe33c ("net: lan743x: Add PCI11010 / PCI11414 device IDs")
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240326065805.686128-1-Raju.Lakkaraju@microchip.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/microchip/lan743x_main.c | 18 ++++++++++++++++++
drivers/net/ethernet/microchip/lan743x_main.h | 4 ++++
2 files changed, 22 insertions(+)
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index bd8aa83b47e5e..75a988c0bd794 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -25,6 +25,8 @@
#define PCS_POWER_STATE_DOWN 0x6
#define PCS_POWER_STATE_UP 0x4
+#define RFE_RD_FIFO_TH_3_DWORDS 0x3
+
static void pci11x1x_strap_get_status(struct lan743x_adapter *adapter)
{
u32 chip_rev;
@@ -3272,6 +3274,21 @@ static void lan743x_full_cleanup(struct lan743x_adapter *adapter)
lan743x_pci_cleanup(adapter);
}
+static void pci11x1x_set_rfe_rd_fifo_threshold(struct lan743x_adapter *adapter)
+{
+ u16 rev = adapter->csr.id_rev & ID_REV_CHIP_REV_MASK_;
+
+ if (rev == ID_REV_CHIP_REV_PCI11X1X_B0_) {
+ u32 misc_ctl;
+
+ misc_ctl = lan743x_csr_read(adapter, MISC_CTL_0);
+ misc_ctl &= ~MISC_CTL_0_RFE_READ_FIFO_MASK_;
+ misc_ctl |= FIELD_PREP(MISC_CTL_0_RFE_READ_FIFO_MASK_,
+ RFE_RD_FIFO_TH_3_DWORDS);
+ lan743x_csr_write(adapter, MISC_CTL_0, misc_ctl);
+ }
+}
+
static int lan743x_hardware_init(struct lan743x_adapter *adapter,
struct pci_dev *pdev)
{
@@ -3287,6 +3304,7 @@ static int lan743x_hardware_init(struct lan743x_adapter *adapter,
pci11x1x_strap_get_status(adapter);
spin_lock_init(&adapter->eth_syslock_spinlock);
mutex_init(&adapter->sgmii_rw_lock);
+ pci11x1x_set_rfe_rd_fifo_threshold(adapter);
} else {
adapter->max_tx_channels = LAN743X_MAX_TX_CHANNELS;
adapter->used_tx_channels = LAN743X_USED_TX_CHANNELS;
diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/ethernet/microchip/lan743x_main.h
index be79cb0ae5af3..645bc048e52ef 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.h
+++ b/drivers/net/ethernet/microchip/lan743x_main.h
@@ -26,6 +26,7 @@
#define ID_REV_CHIP_REV_MASK_ (0x0000FFFF)
#define ID_REV_CHIP_REV_A0_ (0x00000000)
#define ID_REV_CHIP_REV_B0_ (0x00000010)
+#define ID_REV_CHIP_REV_PCI11X1X_B0_ (0x000000B0)
#define FPGA_REV (0x04)
#define FPGA_REV_GET_MINOR_(fpga_rev) (((fpga_rev) >> 8) & 0x000000FF)
@@ -311,6 +312,9 @@
#define SGMII_CTL_LINK_STATUS_SOURCE_ BIT(8)
#define SGMII_CTL_SGMII_POWER_DN_ BIT(1)
+#define MISC_CTL_0 (0x920)
+#define MISC_CTL_0_RFE_READ_FIFO_MASK_ GENMASK(6, 4)
+
/* Vendor Specific SGMII MMD details */
#define SR_VSMMD_PCS_ID1 0x0004
#define SR_VSMMD_PCS_ID2 0x0005
--
GitLab
From 40d4b4807cadd83fb3f46cc8cd67a945b5b25461 Mon Sep 17 00:00:00 2001
From: Hariprasad Kelam <hkelam@marvell.com>
Date: Tue, 26 Mar 2024 10:57:20 +0530
Subject: [PATCH 1761/2686] Octeontx2-af: fix pause frame configuration in GMP
mode
The Octeontx2 MAC block (CGX) has separate data paths (SMU and GMP) for
different speeds, allowing for efficient data transfer.
The previous patch which added pause frame configuration has a bug due
to which pause frame feature is not working in GMP mode.
This patch fixes the issue by configurating appropriate registers.
Fixes: f7e086e754fe ("octeontx2-af: Pause frame configuration at cgx")
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240326052720.4441-1-hkelam@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/marvell/octeontx2/af/cgx.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index 3c0f55b3e48ea..b86f3224f0b78 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
@@ -808,6 +808,11 @@ static int cgx_lmac_enadis_pause_frm(void *cgxd, int lmac_id,
if (!is_lmac_valid(cgx, lmac_id))
return -ENODEV;
+ cfg = cgx_read(cgx, lmac_id, CGXX_GMP_GMI_RXX_FRM_CTL);
+ cfg &= ~CGX_GMP_GMI_RXX_FRM_CTL_CTL_BCK;
+ cfg |= rx_pause ? CGX_GMP_GMI_RXX_FRM_CTL_CTL_BCK : 0x0;
+ cgx_write(cgx, lmac_id, CGXX_GMP_GMI_RXX_FRM_CTL, cfg);
+
cfg = cgx_read(cgx, lmac_id, CGXX_SMUX_RX_FRM_CTL);
cfg &= ~CGX_SMUX_RX_FRM_CTL_CTL_BCK;
cfg |= rx_pause ? CGX_SMUX_RX_FRM_CTL_CTL_BCK : 0x0;
--
GitLab
From 18685451fc4e546fc0e718580d32df3c0e5c8272 Mon Sep 17 00:00:00 2001
From: Florian Westphal <fw@strlen.de>
Date: Tue, 26 Mar 2024 11:18:41 +0100
Subject: [PATCH 1762/2686] inet: inet_defrag: prevent sk release while still
in use
ip_local_out() and other functions can pass skb->sk as function argument.
If the skb is a fragment and reassembly happens before such function call
returns, the sk must not be released.
This affects skb fragments reassembled via netfilter or similar
modules, e.g. openvswitch or ct_act.c, when run as part of tx pipeline.
Eric Dumazet made an initial analysis of this bug. Quoting Eric:
Calling ip_defrag() in output path is also implying skb_orphan(),
which is buggy because output path relies on sk not disappearing.
A relevant old patch about the issue was :
8282f27449bf ("inet: frag: Always orphan skbs inside ip_defrag()")
[..]
net/ipv4/ip_output.c depends on skb->sk being set, and probably to an
inet socket, not an arbitrary one.
If we orphan the packet in ipvlan, then downstream things like FQ
packet scheduler will not work properly.
We need to change ip_defrag() to only use skb_orphan() when really
needed, ie whenever frag_list is going to be used.
Eric suggested to stash sk in fragment queue and made an initial patch.
However there is a problem with this:
If skb is refragmented again right after, ip_do_fragment() will copy
head->sk to the new fragments, and sets up destructor to sock_wfree.
IOW, we have no choice but to fix up sk_wmem accouting to reflect the
fully reassembled skb, else wmem will underflow.
This change moves the orphan down into the core, to last possible moment.
As ip_defrag_offset is aliased with sk_buff->sk member, we must move the
offset into the FRAG_CB, else skb->sk gets clobbered.
This allows to delay the orphaning long enough to learn if the skb has
to be queued or if the skb is completing the reasm queue.
In the former case, things work as before, skb is orphaned. This is
safe because skb gets queued/stolen and won't continue past reasm engine.
In the latter case, we will steal the skb->sk reference, reattach it to
the head skb, and fix up wmem accouting when inet_frag inflates truesize.
Fixes: 7026b1ddb6b8 ("netfilter: Pass socket pointer down through okfn().")
Diagnosed-by: Eric Dumazet <edumazet@google.com>
Reported-by: xingwei lee <xrivendell7@gmail.com>
Reported-by: yue sun <samsun1006219@gmail.com>
Reported-by: syzbot+e5167d7144a62715044c@syzkaller.appspotmail.com
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240326101845.30836-1-fw@strlen.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
include/linux/skbuff.h | 7 +--
net/ipv4/inet_fragment.c | 70 ++++++++++++++++++++-----
net/ipv4/ip_fragment.c | 2 +-
net/ipv6/netfilter/nf_conntrack_reasm.c | 2 +-
4 files changed, 60 insertions(+), 21 deletions(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 0c7c67b3a87b2..9d24aec064e88 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -753,8 +753,6 @@ typedef unsigned char *sk_buff_data_t;
* @list: queue head
* @ll_node: anchor in an llist (eg socket defer_list)
* @sk: Socket we are owned by
- * @ip_defrag_offset: (aka @sk) alternate use of @sk, used in
- * fragmentation management
* @dev: Device we arrived on/are leaving by
* @dev_scratch: (aka @dev) alternate use of @dev when @dev would be %NULL
* @cb: Control buffer. Free for use by every layer. Put private vars here
@@ -875,10 +873,7 @@ struct sk_buff {
struct llist_node ll_node;
};
- union {
- struct sock *sk;
- int ip_defrag_offset;
- };
+ struct sock *sk;
union {
ktime_t tstamp;
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index 7072fc0783ef5..c88c9034d6300 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -24,6 +24,8 @@
#include <net/ip.h>
#include <net/ipv6.h>
+#include "../core/sock_destructor.h"
+
/* Use skb->cb to track consecutive/adjacent fragments coming at
* the end of the queue. Nodes in the rb-tree queue will
* contain "runs" of one or more adjacent fragments.
@@ -39,6 +41,7 @@ struct ipfrag_skb_cb {
};
struct sk_buff *next_frag;
int frag_run_len;
+ int ip_defrag_offset;
};
#define FRAG_CB(skb) ((struct ipfrag_skb_cb *)((skb)->cb))
@@ -396,12 +399,12 @@ int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb,
*/
if (!last)
fragrun_create(q, skb); /* First fragment. */
- else if (last->ip_defrag_offset + last->len < end) {
+ else if (FRAG_CB(last)->ip_defrag_offset + last->len < end) {
/* This is the common case: skb goes to the end. */
/* Detect and discard overlaps. */
- if (offset < last->ip_defrag_offset + last->len)
+ if (offset < FRAG_CB(last)->ip_defrag_offset + last->len)
return IPFRAG_OVERLAP;
- if (offset == last->ip_defrag_offset + last->len)
+ if (offset == FRAG_CB(last)->ip_defrag_offset + last->len)
fragrun_append_to_last(q, skb);
else
fragrun_create(q, skb);
@@ -418,13 +421,13 @@ int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb,
parent = *rbn;
curr = rb_to_skb(parent);
- curr_run_end = curr->ip_defrag_offset +
+ curr_run_end = FRAG_CB(curr)->ip_defrag_offset +
FRAG_CB(curr)->frag_run_len;
- if (end <= curr->ip_defrag_offset)
+ if (end <= FRAG_CB(curr)->ip_defrag_offset)
rbn = &parent->rb_left;
else if (offset >= curr_run_end)
rbn = &parent->rb_right;
- else if (offset >= curr->ip_defrag_offset &&
+ else if (offset >= FRAG_CB(curr)->ip_defrag_offset &&
end <= curr_run_end)
return IPFRAG_DUP;
else
@@ -438,7 +441,7 @@ int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb,
rb_insert_color(&skb->rbnode, &q->rb_fragments);
}
- skb->ip_defrag_offset = offset;
+ FRAG_CB(skb)->ip_defrag_offset = offset;
return IPFRAG_OK;
}
@@ -448,13 +451,28 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb,
struct sk_buff *parent)
{
struct sk_buff *fp, *head = skb_rb_first(&q->rb_fragments);
- struct sk_buff **nextp;
+ void (*destructor)(struct sk_buff *);
+ unsigned int orig_truesize = 0;
+ struct sk_buff **nextp = NULL;
+ struct sock *sk = skb->sk;
int delta;
+ if (sk && is_skb_wmem(skb)) {
+ /* TX: skb->sk might have been passed as argument to
+ * dst->output and must remain valid until tx completes.
+ *
+ * Move sk to reassembled skb and fix up wmem accounting.
+ */
+ orig_truesize = skb->truesize;
+ destructor = skb->destructor;
+ }
+
if (head != skb) {
fp = skb_clone(skb, GFP_ATOMIC);
- if (!fp)
- return NULL;
+ if (!fp) {
+ head = skb;
+ goto out_restore_sk;
+ }
FRAG_CB(fp)->next_frag = FRAG_CB(skb)->next_frag;
if (RB_EMPTY_NODE(&skb->rbnode))
FRAG_CB(parent)->next_frag = fp;
@@ -463,6 +481,12 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb,
&q->rb_fragments);
if (q->fragments_tail == skb)
q->fragments_tail = fp;
+
+ if (orig_truesize) {
+ /* prevent skb_morph from releasing sk */
+ skb->sk = NULL;
+ skb->destructor = NULL;
+ }
skb_morph(skb, head);
FRAG_CB(skb)->next_frag = FRAG_CB(head)->next_frag;
rb_replace_node(&head->rbnode, &skb->rbnode,
@@ -470,13 +494,13 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb,
consume_skb(head);
head = skb;
}
- WARN_ON(head->ip_defrag_offset != 0);
+ WARN_ON(FRAG_CB(head)->ip_defrag_offset != 0);
delta = -head->truesize;
/* Head of list must not be cloned. */
if (skb_unclone(head, GFP_ATOMIC))
- return NULL;
+ goto out_restore_sk;
delta += head->truesize;
if (delta)
@@ -492,7 +516,7 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb,
clone = alloc_skb(0, GFP_ATOMIC);
if (!clone)
- return NULL;
+ goto out_restore_sk;
skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
skb_frag_list_init(head);
for (i = 0; i < skb_shinfo(head)->nr_frags; i++)
@@ -509,6 +533,21 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb,
nextp = &skb_shinfo(head)->frag_list;
}
+out_restore_sk:
+ if (orig_truesize) {
+ int ts_delta = head->truesize - orig_truesize;
+
+ /* if this reassembled skb is fragmented later,
+ * fraglist skbs will get skb->sk assigned from head->sk,
+ * and each frag skb will be released via sock_wfree.
+ *
+ * Update sk_wmem_alloc.
+ */
+ head->sk = sk;
+ head->destructor = destructor;
+ refcount_add(ts_delta, &sk->sk_wmem_alloc);
+ }
+
return nextp;
}
EXPORT_SYMBOL(inet_frag_reasm_prepare);
@@ -516,6 +555,8 @@ EXPORT_SYMBOL(inet_frag_reasm_prepare);
void inet_frag_reasm_finish(struct inet_frag_queue *q, struct sk_buff *head,
void *reasm_data, bool try_coalesce)
{
+ struct sock *sk = is_skb_wmem(head) ? head->sk : NULL;
+ const unsigned int head_truesize = head->truesize;
struct sk_buff **nextp = reasm_data;
struct rb_node *rbn;
struct sk_buff *fp;
@@ -579,6 +620,9 @@ void inet_frag_reasm_finish(struct inet_frag_queue *q, struct sk_buff *head,
head->prev = NULL;
head->tstamp = q->stamp;
head->mono_delivery_time = q->mono_delivery_time;
+
+ if (sk)
+ refcount_add(sum_truesize - head_truesize, &sk->sk_wmem_alloc);
}
EXPORT_SYMBOL(inet_frag_reasm_finish);
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index a4941f53b5237..fb947d1613fe2 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -384,6 +384,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb)
}
skb_dst_drop(skb);
+ skb_orphan(skb);
return -EINPROGRESS;
insert_error:
@@ -487,7 +488,6 @@ int ip_defrag(struct net *net, struct sk_buff *skb, u32 user)
struct ipq *qp;
__IP_INC_STATS(net, IPSTATS_MIB_REASMREQDS);
- skb_orphan(skb);
/* Lookup (or create) queue header */
qp = ip_find(net, ip_hdr(skb), user, vif);
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 1a51a44571c37..d0dcbaca19943 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -294,6 +294,7 @@ static int nf_ct_frag6_queue(struct frag_queue *fq, struct sk_buff *skb,
}
skb_dst_drop(skb);
+ skb_orphan(skb);
return -EINPROGRESS;
insert_error:
@@ -469,7 +470,6 @@ int nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 user)
hdr = ipv6_hdr(skb);
fhdr = (struct frag_hdr *)skb_transport_header(skb);
- skb_orphan(skb);
fq = fq_find(net, fhdr->identification, user, hdr,
skb->dev ? skb->dev->ifindex : 0);
if (fq == NULL) {
--
GitLab
From daf6c4681a74034d5723e2fb761e0d7f3a1ca18f Mon Sep 17 00:00:00 2001
From: Christoffer Sandberg <cs@tuxedo.de>
Date: Thu, 28 Mar 2024 11:27:57 +0100
Subject: [PATCH 1763/2686] ALSA: hda/realtek - Fix inactive headset mic jack
This patch adds the existing fixup to certain TF platforms implementing
the ALC274 codec with a headset jack. It fixes/activates the inactive
microphone of the headset.
Signed-off-by: Christoffer Sandberg <cs@tuxedo.de>
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Cc: <stable@vger.kernel.org>
Message-ID: <20240328102757.50310-1-wse@tuxedocomputers.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/patch_realtek.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a17c36a36aa53..c31e9be257a9b 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10403,6 +10403,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1d05, 0x1147, "TongFang GMxTGxx", ALC269_FIXUP_NO_SHUTUP),
SND_PCI_QUIRK(0x1d05, 0x115c, "TongFang GMxTGxx", ALC269_FIXUP_NO_SHUTUP),
SND_PCI_QUIRK(0x1d05, 0x121b, "TongFang GMxAGxx", ALC269_FIXUP_NO_SHUTUP),
+ SND_PCI_QUIRK(0x1d05, 0x1387, "TongFang GMxIXxx", ALC2XX_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x1d72, 0x1602, "RedmiBook", ALC255_FIXUP_XIAOMI_HEADSET_MIC),
SND_PCI_QUIRK(0x1d72, 0x1701, "XiaomiNotebook Pro", ALC298_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1d72, 0x1901, "RedmiBook 14", ALC256_FIXUP_ASUS_HEADSET_MIC),
--
GitLab
From 2d0401ee38d43ab0e4cdd02dfc9d402befb2b5c8 Mon Sep 17 00:00:00 2001
From: Simon Trimmer <simont@opensource.cirrus.com>
Date: Thu, 28 Mar 2024 12:13:55 +0000
Subject: [PATCH 1764/2686] ALSA: hda: cs35l56: Add ACPI device match tables
Adding the ACPI HIDs to the match table triggers the cs35l56-hda modules
to be loaded on boot so that Serial Multi Instantiate can add the
devices to the bus and begin the driver init sequence.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Fixes: 73cfbfa9caea ("ALSA: hda/cs35l56: Add driver for Cirrus Logic CS35L56 amplifier")
Message-ID: <20240328121355.18972-1-simont@opensource.cirrus.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/cs35l56_hda_i2c.c | 13 +++++++++++--
sound/pci/hda/cs35l56_hda_spi.c | 13 +++++++++++--
2 files changed, 22 insertions(+), 4 deletions(-)
diff --git a/sound/pci/hda/cs35l56_hda_i2c.c b/sound/pci/hda/cs35l56_hda_i2c.c
index 13beee807308f..40f2f97944d54 100644
--- a/sound/pci/hda/cs35l56_hda_i2c.c
+++ b/sound/pci/hda/cs35l56_hda_i2c.c
@@ -56,10 +56,19 @@ static const struct i2c_device_id cs35l56_hda_i2c_id[] = {
{}
};
+static const struct acpi_device_id cs35l56_acpi_hda_match[] = {
+ { "CSC3554", 0 },
+ { "CSC3556", 0 },
+ { "CSC3557", 0 },
+ {}
+};
+MODULE_DEVICE_TABLE(acpi, cs35l56_acpi_hda_match);
+
static struct i2c_driver cs35l56_hda_i2c_driver = {
.driver = {
- .name = "cs35l56-hda",
- .pm = &cs35l56_hda_pm_ops,
+ .name = "cs35l56-hda",
+ .acpi_match_table = cs35l56_acpi_hda_match,
+ .pm = &cs35l56_hda_pm_ops,
},
.id_table = cs35l56_hda_i2c_id,
.probe = cs35l56_hda_i2c_probe,
diff --git a/sound/pci/hda/cs35l56_hda_spi.c b/sound/pci/hda/cs35l56_hda_spi.c
index a3b2fa76663d3..7f02155fe61e3 100644
--- a/sound/pci/hda/cs35l56_hda_spi.c
+++ b/sound/pci/hda/cs35l56_hda_spi.c
@@ -56,10 +56,19 @@ static const struct spi_device_id cs35l56_hda_spi_id[] = {
{}
};
+static const struct acpi_device_id cs35l56_acpi_hda_match[] = {
+ { "CSC3554", 0 },
+ { "CSC3556", 0 },
+ { "CSC3557", 0 },
+ {}
+};
+MODULE_DEVICE_TABLE(acpi, cs35l56_acpi_hda_match);
+
static struct spi_driver cs35l56_hda_spi_driver = {
.driver = {
- .name = "cs35l56-hda",
- .pm = &cs35l56_hda_pm_ops,
+ .name = "cs35l56-hda",
+ .acpi_match_table = cs35l56_acpi_hda_match,
+ .pm = &cs35l56_hda_pm_ops,
},
.id_table = cs35l56_hda_spi_id,
.probe = cs35l56_hda_spi_probe,
--
GitLab
From cd25e15e57e68a6b18dc9323047fe9c68b99290b Mon Sep 17 00:00:00 2001
From: Joakim Sindholt <opensource@zhasha.com>
Date: Mon, 18 Mar 2024 12:22:31 +0100
Subject: [PATCH 1765/2686] fs/9p: only translate RWX permissions for plain
9P2000
Garbage in plain 9P2000's perm bits is allowed through, which causes it
to be able to set (among others) the suid bit. This was presumably not
the intent since the unix extended bits are handled explicitly and
conditionally on .u.
Signed-off-by: Joakim Sindholt <opensource@zhasha.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
---
fs/9p/vfs_inode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index b01b1bbf24937..9612fdb563a3e 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -83,7 +83,7 @@ static int p9mode2perm(struct v9fs_session_info *v9ses,
int res;
int mode = stat->mode;
- res = mode & S_IALLUGO;
+ res = mode & 0777; /* S_IRWXUGO */
if (v9fs_proto_dotu(v9ses)) {
if ((mode & P9_DMSETUID) == P9_DMSETUID)
res |= S_ISUID;
--
GitLab
From 5acb32b1ad6672fb2985d26b5660a9f3726b0632 Mon Sep 17 00:00:00 2001
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Date: Fri, 8 Mar 2024 16:46:43 +0200
Subject: [PATCH 1766/2686] drm/i915: Add includes for BUG_ON/BUILD_BUG_ON in
i915_memcpy.c
Add standalone includes for BUG_ON and BUILD_BUG_ON to avoid build failure
after linux-next include refactoring.
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris.p.wilson@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Tvrtko Ursulin <tursulin@ursulin.net>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240308144643.137831-1-joonas.lahtinen@linux.intel.com
(cherry picked from commit 4df6ac223cad36e7384ed00fe6efc114279f0df6)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/i915_memcpy.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_memcpy.c b/drivers/gpu/drm/i915/i915_memcpy.c
index ba82277254b76..cc41974cee746 100644
--- a/drivers/gpu/drm/i915/i915_memcpy.c
+++ b/drivers/gpu/drm/i915/i915_memcpy.c
@@ -25,6 +25,8 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/cpufeature.h>
+#include <linux/bug.h>
+#include <linux/build_bug.h>
#include <asm/fpu/api.h>
#include "i915_memcpy.h"
--
GitLab
From 87de39e70503e04ddb58965520b15eb9efa7eef3 Mon Sep 17 00:00:00 2001
From: Joakim Sindholt <opensource@zhasha.com>
Date: Mon, 18 Mar 2024 12:22:33 +0100
Subject: [PATCH 1767/2686] fs/9p: translate O_TRUNC into OTRUNC
This one hits both 9P2000 and .u as it appears v9fs has never translated
the O_TRUNC flag.
Signed-off-by: Joakim Sindholt <opensource@zhasha.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
---
fs/9p/vfs_inode.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 9612fdb563a3e..c5b4d3631c47e 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -178,6 +178,9 @@ int v9fs_uflags2omode(int uflags, int extended)
break;
}
+ if (uflags & O_TRUNC)
+ ret |= P9_OTRUNC;
+
if (extended) {
if (uflags & O_EXCL)
ret |= P9_OEXCL;
--
GitLab
From 4e5d208cc9bd5fbc95d536fa223b4b14c37b8ca8 Mon Sep 17 00:00:00 2001
From: Joakim Sindholt <opensource@zhasha.com>
Date: Mon, 18 Mar 2024 12:22:34 +0100
Subject: [PATCH 1768/2686] fs/9p: fix the cache always being enabled on files
with qid flags
I'm not sure why this check was ever here. After updating to 6.6 I
suddenly found caching had been turned on by default and neither
cache=none nor the new directio would turn it off. After walking through
the new code very manually I realized that it's because the caching has
to be, in effect, turned off explicitly by setting P9L_DIRECT and
whenever a file has a flag, in my case QTAPPEND, it doesn't get set.
Setting aside QTDIR which seems to ignore the new fid->mode entirely,
the rest of these either should be subject to the same cache rules as
every other QTFILE or perhaps very explicitly not cached in the case of
QTAUTH.
Signed-off-by: Joakim Sindholt <opensource@zhasha.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
---
fs/9p/fid.h | 3 ---
1 file changed, 3 deletions(-)
diff --git a/fs/9p/fid.h b/fs/9p/fid.h
index 29281b7c38870..0d6138bee2a3d 100644
--- a/fs/9p/fid.h
+++ b/fs/9p/fid.h
@@ -49,9 +49,6 @@ static inline struct p9_fid *v9fs_fid_clone(struct dentry *dentry)
static inline void v9fs_fid_add_modes(struct p9_fid *fid, unsigned int s_flags,
unsigned int s_cache, unsigned int f_flags)
{
- if (fid->qid.type != P9_QTFILE)
- return;
-
if ((!s_cache) ||
((fid->qid.version == 0) && !(s_flags & V9FS_IGNORE_QV)) ||
(s_flags & V9FS_DIRECT_IO) || (f_flags & O_DIRECT)) {
--
GitLab
From 61d130f261a3c15ae2c4b6f3ac3517d5d5b78855 Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ardb@kernel.org>
Date: Tue, 26 Mar 2024 11:15:25 +0100
Subject: [PATCH 1769/2686] efi/libstub: Cast away type warning in use of max()
Avoid a type mismatch warning in max() by switching to max_t() and
providing the type explicitly.
Fixes: 3cb4a4827596abc82e ("efi/libstub: fix efi_random_alloc() ...")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
drivers/firmware/efi/libstub/randomalloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/firmware/efi/libstub/randomalloc.c b/drivers/firmware/efi/libstub/randomalloc.c
index 7e18528595502..c41e7b2091cdd 100644
--- a/drivers/firmware/efi/libstub/randomalloc.c
+++ b/drivers/firmware/efi/libstub/randomalloc.c
@@ -120,7 +120,7 @@ efi_status_t efi_random_alloc(unsigned long size,
continue;
}
- target = round_up(max(md->phys_addr, alloc_min), align) + target_slot * align;
+ target = round_up(max_t(u64, md->phys_addr, alloc_min), align) + target_slot * align;
pages = size / EFI_PAGE_SIZE;
status = efi_bs_call(allocate_pages, EFI_ALLOCATE_ADDRESS,
--
GitLab
From decd347c2a75d32984beb8807d470b763a53b542 Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ardb@kernel.org>
Date: Thu, 28 Mar 2024 15:49:48 +0100
Subject: [PATCH 1770/2686] x86/efistub: Reinstate soft limit for initrd
loading
Commit
8117961d98fb2 ("x86/efi: Disregard setup header of loaded image")
dropped the memcopy of the image's setup header into the boot_params
struct provided to the core kernel, on the basis that EFI boot does not
need it and should rely only on a single protocol to interface with the
boot chain. It is also a prerequisite for being able to increase the
section alignment to 4k, which is needed to enable memory protections
when running in the boot services.
So only the setup_header fields that matter to the core kernel are
populated explicitly, and everything else is ignored. One thing was
overlooked, though: the initrd_addr_max field in the setup_header is not
used by the core kernel, but it is used by the EFI stub itself when it
loads the initrd, where its default value of INT_MAX is used as the soft
limit for memory allocation.
This means that, in the old situation, the initrd was virtually always
loaded in the lower 2G of memory, but now, due to initrd_addr_max being
0x0, the initrd may end up anywhere in memory. This should not be an
issue principle, as most systems can deal with this fine. However, it
does appear to tickle some problems in older UEFI implementations, where
the memory ends up being corrupted, resulting in errors when unpacking
the initramfs.
So set the initrd_addr_max field to INT_MAX like it was before.
Fixes: 8117961d98fb2 ("x86/efi: Disregard setup header of loaded image")
Reported-by: Radek Podgorny <radek@podgorny.cz>
Closes: https://lore.kernel.org/all/a99a831a-8ad5-4cb0-bff9-be637311f771@podgorny.cz
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
drivers/firmware/efi/libstub/x86-stub.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c
index 6a6ffc6707bd0..d5a8182cf2e1c 100644
--- a/drivers/firmware/efi/libstub/x86-stub.c
+++ b/drivers/firmware/efi/libstub/x86-stub.c
@@ -496,6 +496,7 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
hdr->vid_mode = 0xffff;
hdr->type_of_loader = 0x21;
+ hdr->initrd_addr_max = INT_MAX;
/* Convert unicode cmdline to ascii */
cmdline_ptr = efi_convert_cmdline(image, &options_size);
--
GitLab
From f378ab7870046704fb92e64d50a67dda2cae8420 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Mon, 26 Feb 2024 21:32:50 +0200
Subject: [PATCH 1771/2686] drm/i915: Stop doing double audio enable/disable on
SDVO and g4x+ DP
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Looks like I misplaced a few hunks when I moved the audio
enable/disable out from the encoder enable/disable hooks.
So we are now doing a double audio enable/disable on SDVO
and g4x+ DP. Probably harmless as doing it twice shouldn't
really change anything, but let's do it just once, as intended.
Fixes: cff742cc6851 ("drm/i915: Hoist the encoder->audio_{enable,disable}() calls higher up")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240226193251.29619-1-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 315bd0a0825776d6c66d474bf572db64fa019ad8)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/g4x_dp.c | 2 --
drivers/gpu/drm/i915/display/intel_sdvo.c | 4 ----
2 files changed, 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/g4x_dp.c b/drivers/gpu/drm/i915/display/g4x_dp.c
index dfe0b07a122d1..06ec04e667e32 100644
--- a/drivers/gpu/drm/i915/display/g4x_dp.c
+++ b/drivers/gpu/drm/i915/display/g4x_dp.c
@@ -717,7 +717,6 @@ static void g4x_enable_dp(struct intel_atomic_state *state,
{
intel_enable_dp(state, encoder, pipe_config, conn_state);
intel_edp_backlight_on(pipe_config, conn_state);
- encoder->audio_enable(encoder, pipe_config, conn_state);
}
static void vlv_enable_dp(struct intel_atomic_state *state,
@@ -726,7 +725,6 @@ static void vlv_enable_dp(struct intel_atomic_state *state,
const struct drm_connector_state *conn_state)
{
intel_edp_backlight_on(pipe_config, conn_state);
- encoder->audio_enable(encoder, pipe_config, conn_state);
}
static void g4x_pre_enable_dp(struct intel_atomic_state *state,
diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c
index 5f9e748adc89e..0cd9c183f6212 100644
--- a/drivers/gpu/drm/i915/display/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/display/intel_sdvo.c
@@ -1842,8 +1842,6 @@ static void intel_disable_sdvo(struct intel_atomic_state *state,
struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
u32 temp;
- encoder->audio_disable(encoder, old_crtc_state, conn_state);
-
intel_sdvo_set_active_outputs(intel_sdvo, 0);
if (0)
intel_sdvo_set_encoder_power_state(intel_sdvo,
@@ -1935,8 +1933,6 @@ static void intel_enable_sdvo(struct intel_atomic_state *state,
intel_sdvo_set_encoder_power_state(intel_sdvo,
DRM_MODE_DPMS_ON);
intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo_connector->output_flag);
-
- encoder->audio_enable(encoder, pipe_config, conn_state);
}
static enum drm_mode_status
--
GitLab
From cf48bddd31deefb9ab07de9a4d0150da6610198a Mon Sep 17 00:00:00 2001
From: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Date: Wed, 28 Feb 2024 16:02:25 +0200
Subject: [PATCH 1772/2686] drm/i915/display: Disable AuxCCS framebuffers if
built for Xe
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
AuxCCS framebuffers don't work on Xe driver hence disable them
from plane capabilities until they are fixed. FlatCCS framebuffers
work and they are left enabled. CCS is left untouched for i915
driver.
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/933
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Tested-by: José Roberto de Souza <jose.souza@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Fixes: 44e694958b95 ("drm/xe/display: Implement display support")
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240228140225.858145-1-juhapekka.heikkila@gmail.com
(cherry picked from commit b7232a730fbf043f54fb46fbf4a6e92936770e79)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/skl_universal_plane.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index e941e2e4fd14c..860574d04f881 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -2295,6 +2295,9 @@ static u8 skl_get_plane_caps(struct drm_i915_private *i915,
if (HAS_4TILE(i915))
caps |= INTEL_PLANE_CAP_TILING_4;
+ if (!IS_ENABLED(I915) && !HAS_FLAT_CCS(i915))
+ return caps;
+
if (skl_plane_has_rc_ccs(i915, pipe, plane_id)) {
caps |= INTEL_PLANE_CAP_CCS_RC;
if (DISPLAY_VER(i915) >= 12)
--
GitLab
From 18846627ef1210dcd55d65342b055ea97a46ffff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Tue, 5 Mar 2024 10:36:59 +0200
Subject: [PATCH 1773/2686] drm/i915/dsi: Go back to the previous
INIT_OTP/DISPLAY_ON order, mostly
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Reinstate commit 88b065943cb5 ("drm/i915/dsi: Do display on
sequence later on icl+"), for the most part. Turns out some
machines (eg. Chuwi Minibook X) really do need that updated order.
It is also the order the Windows driver uses.
However we can't just undo the revert since that would again
break Lenovo 82TQ. After staring at the VBT sequences for both
machines I've concluded that the Lenovo 82TQ sequences look
somewhat broken:
- INIT_OTP is not present at all
- what should be in INIT_OTP is found in DISPLAY_ON
- what should be in DISPLAY_ON is found in BACKLIGHT_ON
(along with the actual backlight stuff)
The Chuwi Minibook X on the other hand has a full complement
of sequences in its VBT.
So let's try to deal with the broken sequences in the
Lenovo 82TQ VBT by simply swapping the (non-existent)
INIT_OTP sequence with the DISPLAY_ON sequence. Thus we
execute DISPLAY_ON when intending to execute INIT_OTP,
and execute nothing at all when intending to execute
DISPLAY_ON. That should be 100% equivalent to the
revert, for such broken VBTs.
Cc: stable@vger.kernel.org
Fixes: 6992eb815d08 ("Revert "drm/i915/dsi: Do display on sequence later on icl+"")
References: https://gitlab.freedesktop.org/drm/intel/-/issues/10071
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10334
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240305083659.8396-1-ville.syrjala@linux.intel.com
Acked-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 94ae4612ea336bfc3c12b3fc68467c6711a4f39b)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/icl_dsi.c | 3 +-
drivers/gpu/drm/i915/display/intel_bios.c | 43 +++++++++++++++++++----
2 files changed, 39 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index eda4a8b885904..ac456a2275dba 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -1155,7 +1155,6 @@ static void gen11_dsi_powerup_panel(struct intel_encoder *encoder)
}
intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_INIT_OTP);
- intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON);
/* ensure all panel commands dispatched before enabling transcoder */
wait_for_cmds_dispatched_to_panel(encoder);
@@ -1256,6 +1255,8 @@ static void gen11_dsi_enable(struct intel_atomic_state *state,
/* step6d: enable dsi transcoder */
gen11_dsi_enable_transcoder(encoder);
+ intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON);
+
/* step7: enable backlight */
intel_backlight_enable(crtc_state, conn_state);
intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON);
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index fe52c06271ef0..9328601e4e9fa 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -1955,16 +1955,12 @@ static int get_init_otp_deassert_fragment_len(struct drm_i915_private *i915,
* these devices we split the init OTP sequence into a deassert sequence and
* the actual init OTP part.
*/
-static void fixup_mipi_sequences(struct drm_i915_private *i915,
- struct intel_panel *panel)
+static void vlv_fixup_mipi_sequences(struct drm_i915_private *i915,
+ struct intel_panel *panel)
{
u8 *init_otp;
int len;
- /* Limit this to VLV for now. */
- if (!IS_VALLEYVIEW(i915))
- return;
-
/* Limit this to v1 vid-mode sequences */
if (panel->vbt.dsi.config->is_cmd_mode ||
panel->vbt.dsi.seq_version != 1)
@@ -2000,6 +1996,41 @@ static void fixup_mipi_sequences(struct drm_i915_private *i915,
panel->vbt.dsi.sequence[MIPI_SEQ_INIT_OTP] = init_otp + len - 1;
}
+/*
+ * Some machines (eg. Lenovo 82TQ) appear to have broken
+ * VBT sequences:
+ * - INIT_OTP is not present at all
+ * - what should be in INIT_OTP is in DISPLAY_ON
+ * - what should be in DISPLAY_ON is in BACKLIGHT_ON
+ * (along with the actual backlight stuff)
+ *
+ * To make those work we simply swap DISPLAY_ON and INIT_OTP.
+ *
+ * TODO: Do we need to limit this to specific machines,
+ * or examine the contents of the sequences to
+ * avoid false positives?
+ */
+static void icl_fixup_mipi_sequences(struct drm_i915_private *i915,
+ struct intel_panel *panel)
+{
+ if (!panel->vbt.dsi.sequence[MIPI_SEQ_INIT_OTP] &&
+ panel->vbt.dsi.sequence[MIPI_SEQ_DISPLAY_ON]) {
+ drm_dbg_kms(&i915->drm, "Broken VBT: Swapping INIT_OTP and DISPLAY_ON sequences\n");
+
+ swap(panel->vbt.dsi.sequence[MIPI_SEQ_INIT_OTP],
+ panel->vbt.dsi.sequence[MIPI_SEQ_DISPLAY_ON]);
+ }
+}
+
+static void fixup_mipi_sequences(struct drm_i915_private *i915,
+ struct intel_panel *panel)
+{
+ if (DISPLAY_VER(i915) >= 11)
+ icl_fixup_mipi_sequences(i915, panel);
+ else if (IS_VALLEYVIEW(i915))
+ vlv_fixup_mipi_sequences(i915, panel);
+}
+
static void
parse_mipi_sequence(struct drm_i915_private *i915,
struct intel_panel *panel)
--
GitLab
From 186bce682772e7346bf7ced5325b5f4ff050ccfb Mon Sep 17 00:00:00 2001
From: Tejas Upadhyay <tejas.upadhyay@intel.com>
Date: Wed, 28 Feb 2024 16:07:38 +0530
Subject: [PATCH 1774/2686] drm/i915/mtl: Update workaround 14018575942
Applying WA 14018575942 only on Compute engine has impact on
some apps like chrome. Updating this WA to apply on Render
engine as well as it is helping with performance on Chrome.
Note: There is no concern from media team thus not applying
WA on media engines. We will revisit if any issues reported
from media team.
V2(Matt):
- Use correct WA number
Fixes: 668f37e1ee11 ("drm/i915/mtl: Update workaround 14018778641")
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240228103738.2018458-1-tejas.upadhyay@intel.com
(cherry picked from commit 71271280175aa0ed6673e40cce7c01296bcd05f6)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/gt/intel_workarounds.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index d67d44611c283..25413809b9dc9 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1653,6 +1653,7 @@ static void
xelpg_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
{
/* Wa_14018575942 / Wa_18018781329 */
+ wa_mcr_write_or(wal, RENDER_MOD_CTRL, FORCE_MISS_FTLB);
wa_mcr_write_or(wal, COMP_MOD_CTRL, FORCE_MISS_FTLB);
/* Wa_22016670082 */
--
GitLab
From 09ae0f4543acc1b623fc2b7ab2489ae5c09fbede Mon Sep 17 00:00:00 2001
From: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Date: Wed, 28 Feb 2024 11:25:02 +0530
Subject: [PATCH 1775/2686] drm/i915/drrs: Refactor CPU transcoder DRRS check
Rename cpu_transcoder_has_drrs() to intel_cpu_transcoder_has_drrs() and
move it to intel_drrs.[ch].
V2:
- Move helpers to intel_drrs.[ch] (Jani)
- Fix commit message (Jani)
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240228055502.2857819-1-bhanuprakash.modem@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 2d04f8158548103c082190c8dbf6a19097e2423e)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 12 ++----------
drivers/gpu/drm/i915/display/intel_drrs.c | 9 +++++++++
drivers/gpu/drm/i915/display/intel_drrs.h | 3 +++
3 files changed, 14 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index f0c3ed37b350b..f98ef4b42a448 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -67,6 +67,7 @@
#include "intel_dp_tunnel.h"
#include "intel_dpio_phy.h"
#include "intel_dpll.h"
+#include "intel_drrs.h"
#include "intel_fifo_underrun.h"
#include "intel_hdcp.h"
#include "intel_hdmi.h"
@@ -2683,15 +2684,6 @@ intel_dp_compute_hdr_metadata_infoframe_sdp(struct intel_dp *intel_dp,
intel_hdmi_infoframe_enable(HDMI_PACKET_TYPE_GAMUT_METADATA);
}
-static bool cpu_transcoder_has_drrs(struct drm_i915_private *i915,
- enum transcoder cpu_transcoder)
-{
- if (HAS_DOUBLE_BUFFERED_M_N(i915))
- return true;
-
- return intel_cpu_transcoder_has_m2_n2(i915, cpu_transcoder);
-}
-
static bool can_enable_drrs(struct intel_connector *connector,
const struct intel_crtc_state *pipe_config,
const struct drm_display_mode *downclock_mode)
@@ -2714,7 +2706,7 @@ static bool can_enable_drrs(struct intel_connector *connector,
if (pipe_config->has_pch_encoder)
return false;
- if (!cpu_transcoder_has_drrs(i915, pipe_config->cpu_transcoder))
+ if (!intel_cpu_transcoder_has_drrs(i915, pipe_config->cpu_transcoder))
return false;
return downclock_mode &&
diff --git a/drivers/gpu/drm/i915/display/intel_drrs.c b/drivers/gpu/drm/i915/display/intel_drrs.c
index 169ef38ff1883..4743495ad41f4 100644
--- a/drivers/gpu/drm/i915/display/intel_drrs.c
+++ b/drivers/gpu/drm/i915/display/intel_drrs.c
@@ -63,6 +63,15 @@ const char *intel_drrs_type_str(enum drrs_type drrs_type)
return str[drrs_type];
}
+bool intel_cpu_transcoder_has_drrs(struct drm_i915_private *i915,
+ enum transcoder cpu_transcoder)
+{
+ if (HAS_DOUBLE_BUFFERED_M_N(i915))
+ return true;
+
+ return intel_cpu_transcoder_has_m2_n2(i915, cpu_transcoder);
+}
+
static void
intel_drrs_set_refresh_rate_pipeconf(struct intel_crtc *crtc,
enum drrs_refresh_rate refresh_rate)
diff --git a/drivers/gpu/drm/i915/display/intel_drrs.h b/drivers/gpu/drm/i915/display/intel_drrs.h
index 8ef5f93a80ffd..0982f95eab727 100644
--- a/drivers/gpu/drm/i915/display/intel_drrs.h
+++ b/drivers/gpu/drm/i915/display/intel_drrs.h
@@ -9,12 +9,15 @@
#include <linux/types.h>
enum drrs_type;
+enum transcoder;
struct drm_i915_private;
struct intel_atomic_state;
struct intel_crtc;
struct intel_crtc_state;
struct intel_connector;
+bool intel_cpu_transcoder_has_drrs(struct drm_i915_private *i915,
+ enum transcoder cpu_transcoder);
const char *intel_drrs_type_str(enum drrs_type drrs_type);
bool intel_drrs_is_active(struct intel_crtc *crtc);
void intel_drrs_activate(const struct intel_crtc_state *crtc_state);
--
GitLab
From 0f8c7a7dd3d39fb640018b5cd977054d52c0bab2 Mon Sep 17 00:00:00 2001
From: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Date: Tue, 27 Feb 2024 18:08:33 +0530
Subject: [PATCH 1776/2686] drm/i915/display/debugfs: Fix duplicate checks in
i915_drrs_status
Remove duplicate checks for debugfs entry "DRRS capable:".
Fixes: 20af10845864 ("drm/i915/display/debugfs: New entry "DRRS capable" to i915_drrs_status")
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240227123833.2799647-2-bhanuprakash.modem@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 3d81fceb60f20fe2ceed2198636ee6dc9ef46775)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_drrs.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_drrs.c b/drivers/gpu/drm/i915/display/intel_drrs.c
index 4743495ad41f4..597f8bd6aa1a0 100644
--- a/drivers/gpu/drm/i915/display/intel_drrs.c
+++ b/drivers/gpu/drm/i915/display/intel_drrs.c
@@ -321,9 +321,8 @@ static int intel_drrs_debugfs_status_show(struct seq_file *m, void *unused)
mutex_lock(&crtc->drrs.mutex);
seq_printf(m, "DRRS capable: %s\n",
- str_yes_no(crtc_state->has_drrs ||
- HAS_DOUBLE_BUFFERED_M_N(i915) ||
- intel_cpu_transcoder_has_m2_n2(i915, crtc_state->cpu_transcoder)));
+ str_yes_no(intel_cpu_transcoder_has_drrs(i915,
+ crtc_state->cpu_transcoder)));
seq_printf(m, "DRRS enabled: %s\n",
str_yes_no(crtc_state->has_drrs));
--
GitLab
From f7d3b9277ff7eb8e84e6f8554d1c2dd78278a572 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Wed, 6 Mar 2024 06:08:04 +0200
Subject: [PATCH 1777/2686] drm/i915/vrr: Generate VRR "safe window" for DSB
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Looks like TRANS_CHICKEN bit 31 means something totally different
depending on the platform:
TGL: generate VRR "safe window" for DSB
ADL/DG2: make TRANS_SET_CONTEXT_LATENCY effective with VRR
So far we've only set this on ADL/DG2, but when using DSB+VRR
we also need to set it on TGL.
And a quick test on MTL says it doesn't need this bit for either
of those purposes, even though it's still documented as valid
in bspec.
Cc: stable@vger.kernel.org
Fixes: 34d8311f4a1c ("drm/i915/dsb: Re-instate DSB for LUT updates")
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/9927
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240306040806.21697-2-ville.syrjala@linux.intel.com
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
(cherry picked from commit 810e4519a1b34b5a0ff0eab32e5b184f533c5ee9)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_vrr.c | 7 ++++---
drivers/gpu/drm/i915/i915_reg.h | 2 +-
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index 5d905f932cb4b..eb5bd07439020 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -187,10 +187,11 @@ void intel_vrr_set_transcoder_timings(const struct intel_crtc_state *crtc_state)
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
/*
- * TRANS_SET_CONTEXT_LATENCY with VRR enabled
- * requires this chicken bit on ADL/DG2.
+ * This bit seems to have two meanings depending on the platform:
+ * TGL: generate VRR "safe window" for DSB vblank waits
+ * ADL/DG2: make TRANS_SET_CONTEXT_LATENCY effective with VRR
*/
- if (DISPLAY_VER(dev_priv) == 13)
+ if (IS_DISPLAY_VER(dev_priv, 12, 13))
intel_de_rmw(dev_priv, CHICKEN_TRANS(cpu_transcoder),
0, PIPE_VBLANK_WITH_DELAY);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index e00557e1a57f0..3b2e49ce29ba0 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4599,7 +4599,7 @@
#define MTL_CHICKEN_TRANS(trans) _MMIO_TRANS((trans), \
_MTL_CHICKEN_TRANS_A, \
_MTL_CHICKEN_TRANS_B)
-#define PIPE_VBLANK_WITH_DELAY REG_BIT(31) /* ADL/DG2 */
+#define PIPE_VBLANK_WITH_DELAY REG_BIT(31) /* tgl+ */
#define SKL_UNMASK_VBL_TO_PIPE_IN_SRD REG_BIT(30) /* skl+ */
#define HSW_FRAME_START_DELAY_MASK REG_GENMASK(28, 27)
#define HSW_FRAME_START_DELAY(x) REG_FIELD_PREP(HSW_FRAME_START_DELAY_MASK, x)
--
GitLab
From f12751168f1a49ebb84b8056cf038973c53b284f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Wed, 6 Mar 2024 06:08:05 +0200
Subject: [PATCH 1778/2686] drm/i915/dsb: Fix DSB vblank waits when using VRR
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Looks like the undelayed vblank gets signalled exactly when
the active period ends. That is a problem for DSB+VRR when
we are already in vblank and expect DSB to start executing
as soon as we send the push. Instead of starting, the DSB
just keeps on waiting for the undelayed vblank which won't
signal until the end of the next frame's active period,
which is far too late.
The end result is that DSB won't have even started
executing by the time the flips/etc. have completed.
We then wait for an extra 1ms, after which we terminate
the DSB and report a timeout:
[drm] *ERROR* [CRTC:80:pipe A] DSB 0 timed out waiting for idle (current head=0xfedf4000, head=0x0, tail=0x1080)
To fix this let's configure DSB to use the so called VRR
"safe window" instead of the undelayed vblank to trigger
the DSB vblank logic, when VRR is enabled.
Cc: stable@vger.kernel.org
Fixes: 34d8311f4a1c ("drm/i915/dsb: Re-instate DSB for LUT updates")
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/9927
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240306040806.21697-3-ville.syrjala@linux.intel.com
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
(cherry picked from commit 41429d9b68367596eb3d6d5961e6295c284622a7)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_dsb.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c
index d62e050185e7c..e4515bf920388 100644
--- a/drivers/gpu/drm/i915/display/intel_dsb.c
+++ b/drivers/gpu/drm/i915/display/intel_dsb.c
@@ -340,6 +340,17 @@ static int intel_dsb_dewake_scanline(const struct intel_crtc_state *crtc_state)
return max(0, vblank_start - intel_usecs_to_scanlines(adjusted_mode, latency));
}
+static u32 dsb_chicken(struct intel_crtc *crtc)
+{
+ if (crtc->mode_flags & I915_MODE_FLAG_VRR)
+ return DSB_CTRL_WAIT_SAFE_WINDOW |
+ DSB_CTRL_NO_WAIT_VBLANK |
+ DSB_INST_WAIT_SAFE_WINDOW |
+ DSB_INST_NO_WAIT_VBLANK;
+ else
+ return 0;
+}
+
static void _intel_dsb_commit(struct intel_dsb *dsb, u32 ctrl,
int dewake_scanline)
{
@@ -361,6 +372,9 @@ static void _intel_dsb_commit(struct intel_dsb *dsb, u32 ctrl,
intel_de_write_fw(dev_priv, DSB_CTRL(pipe, dsb->id),
ctrl | DSB_ENABLE);
+ intel_de_write_fw(dev_priv, DSB_CHICKEN(pipe, dsb->id),
+ dsb_chicken(crtc));
+
intel_de_write_fw(dev_priv, DSB_HEAD(pipe, dsb->id),
intel_dsb_buffer_ggtt_offset(&dsb->dsb_buf));
--
GitLab
From b212b79768ccde74429f872c37618c543fa11333 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Date: Mon, 11 Mar 2024 21:34:58 +0100
Subject: [PATCH 1779/2686] drm/i915/hwmon: Fix locking inversion in sysfs
getter
In i915 hwmon sysfs getter path we now take a hwmon_lock, then acquire an
rpm wakeref. That results in lock inversion:
<4> [197.079335] ======================================================
<4> [197.085473] WARNING: possible circular locking dependency detected
<4> [197.091611] 6.8.0-rc7-Patchwork_129026v7-gc4dc92fb1152+ #1 Not tainted
<4> [197.098096] ------------------------------------------------------
<4> [197.104231] prometheus-node/839 is trying to acquire lock:
<4> [197.109680] ffffffff82764d80 (fs_reclaim){+.+.}-{0:0}, at: __kmalloc+0x9a/0x350
<4> [197.116939]
but task is already holding lock:
<4> [197.122730] ffff88811b772a40 (&hwmon->hwmon_lock){+.+.}-{3:3}, at: hwm_energy+0x4b/0x100 [i915]
<4> [197.131543]
which lock already depends on the new lock.
...
<4> [197.507922] Chain exists of:
fs_reclaim --> >->reset.mutex --> &hwmon->hwmon_lock
<4> [197.518528] Possible unsafe locking scenario:
<4> [197.524411] CPU0 CPU1
<4> [197.528916] ---- ----
<4> [197.533418] lock(&hwmon->hwmon_lock);
<4> [197.537237] lock(>->reset.mutex);
<4> [197.543376] lock(&hwmon->hwmon_lock);
<4> [197.549682] lock(fs_reclaim);
...
<4> [197.632548] Call Trace:
<4> [197.634990] <TASK>
<4> [197.637088] dump_stack_lvl+0x64/0xb0
<4> [197.640738] check_noncircular+0x15e/0x180
<4> [197.652968] check_prev_add+0xe9/0xce0
<4> [197.656705] __lock_acquire+0x179f/0x2300
<4> [197.660694] lock_acquire+0xd8/0x2d0
<4> [197.673009] fs_reclaim_acquire+0xa1/0xd0
<4> [197.680478] __kmalloc+0x9a/0x350
<4> [197.689063] acpi_ns_internalize_name.part.0+0x4a/0xb0
<4> [197.694170] acpi_ns_get_node_unlocked+0x60/0xf0
<4> [197.720608] acpi_ns_get_node+0x3b/0x60
<4> [197.724428] acpi_get_handle+0x57/0xb0
<4> [197.728164] acpi_has_method+0x20/0x50
<4> [197.731896] acpi_pci_set_power_state+0x43/0x120
<4> [197.736485] pci_power_up+0x24/0x1c0
<4> [197.740047] pci_pm_default_resume_early+0x9/0x30
<4> [197.744725] pci_pm_runtime_resume+0x2d/0x90
<4> [197.753911] __rpm_callback+0x3c/0x110
<4> [197.762586] rpm_callback+0x58/0x70
<4> [197.766064] rpm_resume+0x51e/0x730
<4> [197.769542] rpm_resume+0x267/0x730
<4> [197.773020] rpm_resume+0x267/0x730
<4> [197.776498] rpm_resume+0x267/0x730
<4> [197.779974] __pm_runtime_resume+0x49/0x90
<4> [197.784055] __intel_runtime_pm_get+0x19/0xa0 [i915]
<4> [197.789070] hwm_energy+0x55/0x100 [i915]
<4> [197.793183] hwm_read+0x9a/0x310 [i915]
<4> [197.797124] hwmon_attr_show+0x36/0x120
<4> [197.800946] dev_attr_show+0x15/0x60
<4> [197.804509] sysfs_kf_seq_show+0xb5/0x100
Acquire the wakeref before the lock and hold it as long as the lock is
also held. Follow that pattern across the whole source file where similar
lock inversion can happen.
v2: Keep hardware read under the lock so the whole operation of updating
energy from hardware is still atomic (Guenter),
- instead, acquire the rpm wakeref before the lock and hold it as long
as the lock is held,
- use the same aproach for other similar places across the i915_hwmon.c
source file (Rodrigo).
Fixes: 1b44019a93e2 ("drm/i915/guc: Disable PL1 power limit when loading GuC firmware")
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: <stable@vger.kernel.org> # v6.5+
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240311203500.518675-2-janusz.krzysztofik@linux.intel.com
(cherry picked from commit 71b218771426ea84c0e0148a2b7ac52c1f76e792)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/i915_hwmon.c | 37 ++++++++++++++++---------------
1 file changed, 19 insertions(+), 18 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_hwmon.c b/drivers/gpu/drm/i915/i915_hwmon.c
index 8c3f443c8347e..b758fd110c204 100644
--- a/drivers/gpu/drm/i915/i915_hwmon.c
+++ b/drivers/gpu/drm/i915/i915_hwmon.c
@@ -72,12 +72,13 @@ hwm_locked_with_pm_intel_uncore_rmw(struct hwm_drvdata *ddat,
struct intel_uncore *uncore = ddat->uncore;
intel_wakeref_t wakeref;
- mutex_lock(&hwmon->hwmon_lock);
+ with_intel_runtime_pm(uncore->rpm, wakeref) {
+ mutex_lock(&hwmon->hwmon_lock);
- with_intel_runtime_pm(uncore->rpm, wakeref)
intel_uncore_rmw(uncore, reg, clear, set);
- mutex_unlock(&hwmon->hwmon_lock);
+ mutex_unlock(&hwmon->hwmon_lock);
+ }
}
/*
@@ -136,20 +137,21 @@ hwm_energy(struct hwm_drvdata *ddat, long *energy)
else
rgaddr = hwmon->rg.energy_status_all;
- mutex_lock(&hwmon->hwmon_lock);
+ with_intel_runtime_pm(uncore->rpm, wakeref) {
+ mutex_lock(&hwmon->hwmon_lock);
- with_intel_runtime_pm(uncore->rpm, wakeref)
reg_val = intel_uncore_read(uncore, rgaddr);
- if (reg_val >= ei->reg_val_prev)
- ei->accum_energy += reg_val - ei->reg_val_prev;
- else
- ei->accum_energy += UINT_MAX - ei->reg_val_prev + reg_val;
- ei->reg_val_prev = reg_val;
+ if (reg_val >= ei->reg_val_prev)
+ ei->accum_energy += reg_val - ei->reg_val_prev;
+ else
+ ei->accum_energy += UINT_MAX - ei->reg_val_prev + reg_val;
+ ei->reg_val_prev = reg_val;
- *energy = mul_u64_u32_shr(ei->accum_energy, SF_ENERGY,
- hwmon->scl_shift_energy);
- mutex_unlock(&hwmon->hwmon_lock);
+ *energy = mul_u64_u32_shr(ei->accum_energy, SF_ENERGY,
+ hwmon->scl_shift_energy);
+ mutex_unlock(&hwmon->hwmon_lock);
+ }
}
static ssize_t
@@ -404,6 +406,7 @@ hwm_power_max_write(struct hwm_drvdata *ddat, long val)
/* Block waiting for GuC reset to complete when needed */
for (;;) {
+ wakeref = intel_runtime_pm_get(ddat->uncore->rpm);
mutex_lock(&hwmon->hwmon_lock);
prepare_to_wait(&ddat->waitq, &wait, TASK_INTERRUPTIBLE);
@@ -417,14 +420,13 @@ hwm_power_max_write(struct hwm_drvdata *ddat, long val)
}
mutex_unlock(&hwmon->hwmon_lock);
+ intel_runtime_pm_put(ddat->uncore->rpm, wakeref);
schedule();
}
finish_wait(&ddat->waitq, &wait);
if (ret)
- goto unlock;
-
- wakeref = intel_runtime_pm_get(ddat->uncore->rpm);
+ goto exit;
/* Disable PL1 limit and verify, because the limit cannot be disabled on all platforms */
if (val == PL1_DISABLE) {
@@ -444,9 +446,8 @@ hwm_power_max_write(struct hwm_drvdata *ddat, long val)
intel_uncore_rmw(ddat->uncore, hwmon->rg.pkg_rapl_limit,
PKG_PWR_LIM_1_EN | PKG_PWR_LIM_1, nval);
exit:
- intel_runtime_pm_put(ddat->uncore->rpm, wakeref);
-unlock:
mutex_unlock(&hwmon->hwmon_lock);
+ intel_runtime_pm_put(ddat->uncore->rpm, wakeref);
return ret;
}
--
GitLab
From e41d769f1a7a1dc533c35ef7b366be3dbf432a1c Mon Sep 17 00:00:00 2001
From: Jonathon Hall <jonathon.hall@puri.sm>
Date: Wed, 13 Mar 2024 09:54:25 -0400
Subject: [PATCH 1780/2686] drm/i915: Do not match JSL in
ehl_combo_pll_div_frac_wa_needed()
Since commit 0c65dc062611 ("drm/i915/jsl: s/JSL/JASPERLAKE for
platform/subplatform defines"), boot freezes on a Jasper Lake tablet
(Librem 11), usually with graphical corruption on the eDP display,
but sometimes just a black screen. This commit was included in 6.6 and
later.
That commit was intended to refactor EHL and JSL macros, but the change
to ehl_combo_pll_div_frac_wa_needed() started matching JSL incorrectly
when it was only intended to match EHL.
It replaced:
return ((IS_PLATFORM(i915, INTEL_ELKHARTLAKE) &&
IS_JSL_EHL_DISPLAY_STEP(i915, STEP_B0, STEP_FOREVER)) ||
with:
return (((IS_ELKHARTLAKE(i915) || IS_JASPERLAKE(i915)) &&
IS_DISPLAY_STEP(i915, STEP_B0, STEP_FOREVER)) ||
Remove IS_JASPERLAKE() to fix the regression.
Signed-off-by: Jonathon Hall <jonathon.hall@puri.sm>
Cc: stable@vger.kernel.org
Fixes: 0c65dc062611 ("drm/i915/jsl: s/JSL/JASPERLAKE for platform/subplatform defines")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240313135424.3731410-1-jonathon.hall@puri.sm
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 1ef48859317b2a77672dea8682df133abf9c44ed)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index ff480f171f75a..b6d24410740f8 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -2554,7 +2554,7 @@ static void icl_wrpll_params_populate(struct skl_wrpll_params *params,
static bool
ehl_combo_pll_div_frac_wa_needed(struct drm_i915_private *i915)
{
- return (((IS_ELKHARTLAKE(i915) || IS_JASPERLAKE(i915)) &&
+ return ((IS_ELKHARTLAKE(i915) &&
IS_DISPLAY_STEP(i915, STEP_B0, STEP_FOREVER)) ||
IS_TIGERLAKE(i915) || IS_ALDERLAKE_S(i915) || IS_ALDERLAKE_P(i915)) &&
i915->display.dpll.ref_clks.nssc == 38400;
--
GitLab
From d392e1b9c2e8c60550a2a467732107f0f98b8e97 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= <jose.souza@intel.com>
Date: Wed, 20 Mar 2024 14:05:47 -0700
Subject: [PATCH 1781/2686] drm/i915: Do not print 'pxp init failed with 0'
when it succeed
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
It is misleading, if the intention was to also print something
in case it succeed it should have a different string.
Cc: Alan Previn <alan.previn.teres.alexis@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Fixes: 698e19da2914 ("drm/i915: Skip pxp init if gt is wedged")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240320210547.71937-1-jose.souza@intel.com
(cherry picked from commit d437099ab21cd4c6ce5d578b765df642d759c929)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/i915_driver.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index 9ee902d5b72c4..4b9233c07a22c 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -800,7 +800,7 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto out_cleanup_modeset2;
ret = intel_pxp_init(i915);
- if (ret != -ENODEV)
+ if (ret && ret != -ENODEV)
drm_dbg(&i915->drm, "pxp init failed with %d\n", ret);
ret = intel_display_driver_probe(i915);
--
GitLab
From 0e45882ca829b26b915162e8e86dbb1095768e9e Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Date: Tue, 5 Mar 2024 15:35:06 +0100
Subject: [PATCH 1782/2686] drm/i915/vma: Fix UAF on destroy against retire
race
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Object debugging tools were sporadically reporting illegal attempts to
free a still active i915 VMA object when parking a GT believed to be idle.
[161.359441] ODEBUG: free active (active state 0) object: ffff88811643b958 object type: i915_active hint: __i915_vma_active+0x0/0x50 [i915]
[161.360082] WARNING: CPU: 5 PID: 276 at lib/debugobjects.c:514 debug_print_object+0x80/0xb0
...
[161.360304] CPU: 5 PID: 276 Comm: kworker/5:2 Not tainted 6.5.0-rc1-CI_DRM_13375-g003f860e5577+ #1
[161.360314] Hardware name: Intel Corporation Rocket Lake Client Platform/RocketLake S UDIMM 6L RVP, BIOS RKLSFWI1.R00.3173.A03.2204210138 04/21/2022
[161.360322] Workqueue: i915-unordered __intel_wakeref_put_work [i915]
[161.360592] RIP: 0010:debug_print_object+0x80/0xb0
...
[161.361347] debug_object_free+0xeb/0x110
[161.361362] i915_active_fini+0x14/0x130 [i915]
[161.361866] release_references+0xfe/0x1f0 [i915]
[161.362543] i915_vma_parked+0x1db/0x380 [i915]
[161.363129] __gt_park+0x121/0x230 [i915]
[161.363515] ____intel_wakeref_put_last+0x1f/0x70 [i915]
That has been tracked down to be happening when another thread is
deactivating the VMA inside __active_retire() helper, after the VMA's
active counter has been already decremented to 0, but before deactivation
of the VMA's object is reported to the object debugging tool.
We could prevent from that race by serializing i915_active_fini() with
__active_retire() via ref->tree_lock, but that wouldn't stop the VMA from
being used, e.g. from __i915_vma_retire() called at the end of
__active_retire(), after that VMA has been already freed by a concurrent
i915_vma_destroy() on return from the i915_active_fini(). Then, we should
rather fix the issue at the VMA level, not in i915_active.
Since __i915_vma_parked() is called from __gt_park() on last put of the
GT's wakeref, the issue could be addressed by holding the GT wakeref long
enough for __active_retire() to complete before that wakeref is released
and the GT parked.
I believe the issue was introduced by commit d93939730347 ("drm/i915:
Remove the vma refcount") which moved a call to i915_active_fini() from
a dropped i915_vma_release(), called on last put of the removed VMA kref,
to i915_vma_parked() processing path called on last put of a GT wakeref.
However, its visibility to the object debugging tool was suppressed by a
bug in i915_active that was fixed two weeks later with commit e92eb246feb9
("drm/i915/active: Fix missing debug object activation").
A VMA associated with a request doesn't acquire a GT wakeref by itself.
Instead, it depends on a wakeref held directly by the request's active
intel_context for a GT associated with its VM, and indirectly on that
intel_context's engine wakeref if the engine belongs to the same GT as the
VMA's VM. Those wakerefs are released asynchronously to VMA deactivation.
Fix the issue by getting a wakeref for the VMA's GT when activating it,
and putting that wakeref only after the VMA is deactivated. However,
exclude global GTT from that processing path, otherwise the GPU never goes
idle. Since __i915_vma_retire() may be called from atomic contexts, use
async variant of wakeref put. Also, to avoid circular locking dependency,
take care of acquiring the wakeref before VM mutex when both are needed.
v7: Add inline comments with justifications for:
- using untracked variants of intel_gt_pm_get/put() (Nirmoy),
- using async variant of _put(),
- not getting the wakeref in case of a global GTT,
- always getting the first wakeref outside vm->mutex.
v6: Since __i915_vma_active/retire() callbacks are not serialized, storing
a wakeref tracking handle inside struct i915_vma is not safe, and
there is no other good place for that. Use untracked variants of
intel_gt_pm_get/put_async().
v5: Replace "tile" with "GT" across commit description (Rodrigo),
- avoid mentioning multi-GT case in commit description (Rodrigo),
- explain why we need to take a temporary wakeref unconditionally inside
i915_vma_pin_ww() (Rodrigo).
v4: Refresh on top of commit 5e4e06e4087e ("drm/i915: Track gt pm
wakerefs") (Andi),
- for more easy backporting, split out removal of former insufficient
workarounds and move them to separate patches (Nirmoy).
- clean up commit message and description a bit.
v3: Identify root cause more precisely, and a commit to blame,
- identify and drop former workarounds,
- update commit message and description.
v2: Get the wakeref before VM mutex to avoid circular locking dependency,
- drop questionable Fixes: tag.
Fixes: d93939730347 ("drm/i915: Remove the vma refcount")
Closes: https://gitlab.freedesktop.org/drm/intel/issues/8875
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: stable@vger.kernel.org # v5.19+
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240305143747.335367-6-janusz.krzysztofik@linux.intel.com
(cherry picked from commit f3c71b2ded5c4367144a810ef25f998fd1d6c381)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/i915_vma.c | 50 ++++++++++++++++++++++++++++-----
1 file changed, 43 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index d09aad34ba37f..b70715b1411d6 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -34,6 +34,7 @@
#include "gt/intel_engine.h"
#include "gt/intel_engine_heartbeat.h"
#include "gt/intel_gt.h"
+#include "gt/intel_gt_pm.h"
#include "gt/intel_gt_requests.h"
#include "gt/intel_tlb.h"
@@ -103,12 +104,42 @@ static inline struct i915_vma *active_to_vma(struct i915_active *ref)
static int __i915_vma_active(struct i915_active *ref)
{
- return i915_vma_tryget(active_to_vma(ref)) ? 0 : -ENOENT;
+ struct i915_vma *vma = active_to_vma(ref);
+
+ if (!i915_vma_tryget(vma))
+ return -ENOENT;
+
+ /*
+ * Exclude global GTT VMA from holding a GT wakeref
+ * while active, otherwise GPU never goes idle.
+ */
+ if (!i915_vma_is_ggtt(vma)) {
+ /*
+ * Since we and our _retire() counterpart can be
+ * called asynchronously, storing a wakeref tracking
+ * handle inside struct i915_vma is not safe, and
+ * there is no other good place for that. Hence,
+ * use untracked variants of intel_gt_pm_get/put().
+ */
+ intel_gt_pm_get_untracked(vma->vm->gt);
+ }
+
+ return 0;
}
static void __i915_vma_retire(struct i915_active *ref)
{
- i915_vma_put(active_to_vma(ref));
+ struct i915_vma *vma = active_to_vma(ref);
+
+ if (!i915_vma_is_ggtt(vma)) {
+ /*
+ * Since we can be called from atomic contexts,
+ * use an async variant of intel_gt_pm_put().
+ */
+ intel_gt_pm_put_async_untracked(vma->vm->gt);
+ }
+
+ i915_vma_put(vma);
}
static struct i915_vma *
@@ -1404,7 +1435,7 @@ int i915_vma_pin_ww(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
struct i915_vma_work *work = NULL;
struct dma_fence *moving = NULL;
struct i915_vma_resource *vma_res = NULL;
- intel_wakeref_t wakeref = 0;
+ intel_wakeref_t wakeref;
unsigned int bound;
int err;
@@ -1424,8 +1455,14 @@ int i915_vma_pin_ww(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
if (err)
return err;
- if (flags & PIN_GLOBAL)
- wakeref = intel_runtime_pm_get(&vma->vm->i915->runtime_pm);
+ /*
+ * In case of a global GTT, we must hold a runtime-pm wakeref
+ * while global PTEs are updated. In other cases, we hold
+ * the rpm reference while the VMA is active. Since runtime
+ * resume may require allocations, which are forbidden inside
+ * vm->mutex, get the first rpm wakeref outside of the mutex.
+ */
+ wakeref = intel_runtime_pm_get(&vma->vm->i915->runtime_pm);
if (flags & vma->vm->bind_async_flags) {
/* lock VM */
@@ -1561,8 +1598,7 @@ int i915_vma_pin_ww(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
if (work)
dma_fence_work_commit_imm(&work->base);
err_rpm:
- if (wakeref)
- intel_runtime_pm_put(&vma->vm->i915->runtime_pm, wakeref);
+ intel_runtime_pm_put(&vma->vm->i915->runtime_pm, wakeref);
if (moving)
dma_fence_put(moving);
--
GitLab
From 4a3859ea5240365d21f6053ee219bb240d520895 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon, 18 Mar 2024 14:58:47 +0100
Subject: [PATCH 1783/2686] drm/i915/gt: Reset queue_priority_hint on parking
Originally, with strict in order execution, we could complete execution
only when the queue was empty. Preempt-to-busy allows replacement of an
active request that may complete before the preemption is processed by
HW. If that happens, the request is retired from the queue, but the
queue_priority_hint remains set, preventing direct submission until
after the next CS interrupt is processed.
This preempt-to-busy race can be triggered by the heartbeat, which will
also act as the power-management barrier and upon completion allow us to
idle the HW. We may process the completion of the heartbeat, and begin
parking the engine before the CS event that restores the
queue_priority_hint, causing us to fail the assertion that it is MIN.
<3>[ 166.210729] __engine_park:283 GEM_BUG_ON(engine->sched_engine->queue_priority_hint != (-((int)(~0U >> 1)) - 1))
<0>[ 166.210781] Dumping ftrace buffer:
<0>[ 166.210795] ---------------------------------
...
<0>[ 167.302811] drm_fdin-1097 2..s1. 165741070us : trace_ports: 0000:00:02.0 rcs0: promote { ccid:20 1217:2 prio 0 }
<0>[ 167.302861] drm_fdin-1097 2d.s2. 165741072us : execlists_submission_tasklet: 0000:00:02.0 rcs0: preempting last=1217:2, prio=0, hint=2147483646
<0>[ 167.302928] drm_fdin-1097 2d.s2. 165741072us : __i915_request_unsubmit: 0000:00:02.0 rcs0: fence 1217:2, current 0
<0>[ 167.302992] drm_fdin-1097 2d.s2. 165741073us : __i915_request_submit: 0000:00:02.0 rcs0: fence 3:4660, current 4659
<0>[ 167.303044] drm_fdin-1097 2d.s1. 165741076us : execlists_submission_tasklet: 0000:00:02.0 rcs0: context:3 schedule-in, ccid:40
<0>[ 167.303095] drm_fdin-1097 2d.s1. 165741077us : trace_ports: 0000:00:02.0 rcs0: submit { ccid:40 3:4660* prio 2147483646 }
<0>[ 167.303159] kworker/-89 11..... 165741139us : i915_request_retire.part.0: 0000:00:02.0 rcs0: fence c90:2, current 2
<0>[ 167.303208] kworker/-89 11..... 165741148us : __intel_context_do_unpin: 0000:00:02.0 rcs0: context:c90 unpin
<0>[ 167.303272] kworker/-89 11..... 165741159us : i915_request_retire.part.0: 0000:00:02.0 rcs0: fence 1217:2, current 2
<0>[ 167.303321] kworker/-89 11..... 165741166us : __intel_context_do_unpin: 0000:00:02.0 rcs0: context:1217 unpin
<0>[ 167.303384] kworker/-89 11..... 165741170us : i915_request_retire.part.0: 0000:00:02.0 rcs0: fence 3:4660, current 4660
<0>[ 167.303434] kworker/-89 11d..1. 165741172us : __intel_context_retire: 0000:00:02.0 rcs0: context:1216 retire runtime: { total:56028ns, avg:56028ns }
<0>[ 167.303484] kworker/-89 11..... 165741198us : __engine_park: 0000:00:02.0 rcs0: parked
<0>[ 167.303534] <idle>-0 5d.H3. 165741207us : execlists_irq_handler: 0000:00:02.0 rcs0: semaphore yield: 00000040
<0>[ 167.303583] kworker/-89 11..... 165741397us : __intel_context_retire: 0000:00:02.0 rcs0: context:1217 retire runtime: { total:325575ns, avg:0ns }
<0>[ 167.303756] kworker/-89 11..... 165741777us : __intel_context_retire: 0000:00:02.0 rcs0: context:c90 retire runtime: { total:0ns, avg:0ns }
<0>[ 167.303806] kworker/-89 11..... 165742017us : __engine_park: __engine_park:283 GEM_BUG_ON(engine->sched_engine->queue_priority_hint != (-((int)(~0U >> 1)) - 1))
<0>[ 167.303811] ---------------------------------
<4>[ 167.304722] ------------[ cut here ]------------
<2>[ 167.304725] kernel BUG at drivers/gpu/drm/i915/gt/intel_engine_pm.c:283!
<4>[ 167.304731] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
<4>[ 167.304734] CPU: 11 PID: 89 Comm: kworker/11:1 Tainted: G W 6.8.0-rc2-CI_DRM_14193-gc655e0fd2804+ #1
<4>[ 167.304736] Hardware name: Intel Corporation Rocket Lake Client Platform/RocketLake S UDIMM 6L RVP, BIOS RKLSFWI1.R00.3173.A03.2204210138 04/21/2022
<4>[ 167.304738] Workqueue: i915-unordered retire_work_handler [i915]
<4>[ 167.304839] RIP: 0010:__engine_park+0x3fd/0x680 [i915]
<4>[ 167.304937] Code: 00 48 c7 c2 b0 e5 86 a0 48 8d 3d 00 00 00 00 e8 79 48 d4 e0 bf 01 00 00 00 e8 ef 0a d4 e0 31 f6 bf 09 00 00 00 e8 03 49 c0 e0 <0f> 0b 0f 0b be 01 00 00 00 e8 f5 61 fd ff 31 c0 e9 34 fd ff ff 48
<4>[ 167.304940] RSP: 0018:ffffc9000059fce0 EFLAGS: 00010246
<4>[ 167.304942] RAX: 0000000000000200 RBX: 0000000000000000 RCX: 0000000000000006
<4>[ 167.304944] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009
<4>[ 167.304946] RBP: ffff8881330ca1b0 R08: 0000000000000001 R09: 0000000000000001
<4>[ 167.304947] R10: 0000000000000001 R11: 0000000000000001 R12: ffff8881330ca000
<4>[ 167.304948] R13: ffff888110f02aa0 R14: ffff88812d1d0205 R15: ffff88811277d4f0
<4>[ 167.304950] FS: 0000000000000000(0000) GS:ffff88844f780000(0000) knlGS:0000000000000000
<4>[ 167.304952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 167.304953] CR2: 00007fc362200c40 CR3: 000000013306e003 CR4: 0000000000770ef0
<4>[ 167.304955] PKRU: 55555554
<4>[ 167.304957] Call Trace:
<4>[ 167.304958] <TASK>
<4>[ 167.305573] ____intel_wakeref_put_last+0x1d/0x80 [i915]
<4>[ 167.305685] i915_request_retire.part.0+0x34f/0x600 [i915]
<4>[ 167.305800] retire_requests+0x51/0x80 [i915]
<4>[ 167.305892] intel_gt_retire_requests_timeout+0x27f/0x700 [i915]
<4>[ 167.305985] process_scheduled_works+0x2db/0x530
<4>[ 167.305990] worker_thread+0x18c/0x350
<4>[ 167.305993] kthread+0xfe/0x130
<4>[ 167.305997] ret_from_fork+0x2c/0x50
<4>[ 167.306001] ret_from_fork_asm+0x1b/0x30
<4>[ 167.306004] </TASK>
It is necessary for the queue_priority_hint to be lower than the next
request submission upon waking up, as we rely on the hint to decide when
to kick the tasklet to submit that first request.
Fixes: 22b7a426bbe1 ("drm/i915/execlists: Preempt-to-busy")
Closes: https://gitlab.freedesktop.org/drm/intel/issues/10154
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.4+
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240318135906.716055-2-janusz.krzysztofik@linux.intel.com
(cherry picked from commit 98850e96cf811dc2d0a7d0af491caff9f5d49c1e)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/gt/intel_engine_pm.c | 3 ---
drivers/gpu/drm/i915/gt/intel_execlists_submission.c | 3 +++
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.c b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
index 96bdb93a948d1..fb7bff27b45a3 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
@@ -279,9 +279,6 @@ static int __engine_park(struct intel_wakeref *wf)
intel_engine_park_heartbeat(engine);
intel_breadcrumbs_park(engine->breadcrumbs);
- /* Must be reset upon idling, or we may miss the busy wakeup. */
- GEM_BUG_ON(engine->sched_engine->queue_priority_hint != INT_MIN);
-
if (engine->park)
engine->park(engine);
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
index 42aade0faf2d1..b061a0a0d6b08 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
@@ -3272,6 +3272,9 @@ static void execlists_park(struct intel_engine_cs *engine)
{
cancel_timer(&engine->execlists.timer);
cancel_timer(&engine->execlists.preempt);
+
+ /* Reset upon idling, or we may delay the busy wakeup. */
+ WRITE_ONCE(engine->sched_engine->queue_priority_hint, INT_MIN);
}
static void add_to_engine(struct i915_request *rq)
--
GitLab
From 582dc04b0658ef3b90aeb49cbdd9747c2f1eccc3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Mon, 25 Mar 2024 19:57:38 +0200
Subject: [PATCH 1784/2686] drm/i915: Pre-populate the cursor physical dma
address
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Calling i915_gem_object_get_dma_address() from the vblank
evade critical section triggers might_sleep().
While we know that we've already pinned the framebuffer
and thus i915_gem_object_get_dma_address() will in fact
not sleep in this case, it seems reasonable to keep the
unconditional might_sleep() for maximum coverage.
So let's instead pre-populate the dma address during
fb pinning, which all happens before we enter the
vblank evade critical section.
We can use u32 for the dma address as this class of
hardware doesn't support >32bit addresses.
Cc: stable@vger.kernel.org
Fixes: 0225a90981c8 ("drm/i915: Make cursor plane registers unlocked")
Reported-by: Borislav Petkov <bp@alien8.de>
Closes: https://lore.kernel.org/intel-gfx/20240227100342.GAZd2zfmYcPS_SndtO@fat_crate.local/
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240325175738.3440-1-ville.syrjala@linux.intel.com
Tested-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
(cherry picked from commit c1289a5c3594cf04caa94ebf0edeb50c62009f1f)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_cursor.c | 4 +---
drivers/gpu/drm/i915/display/intel_display_types.h | 1 +
drivers/gpu/drm/i915/display/intel_fb_pin.c | 10 ++++++++++
3 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cursor.c b/drivers/gpu/drm/i915/display/intel_cursor.c
index f8b33999d43fc..0d3da55e1c24d 100644
--- a/drivers/gpu/drm/i915/display/intel_cursor.c
+++ b/drivers/gpu/drm/i915/display/intel_cursor.c
@@ -36,12 +36,10 @@ static u32 intel_cursor_base(const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv =
to_i915(plane_state->uapi.plane->dev);
- const struct drm_framebuffer *fb = plane_state->hw.fb;
- struct drm_i915_gem_object *obj = intel_fb_obj(fb);
u32 base;
if (DISPLAY_INFO(dev_priv)->cursor_needs_physical)
- base = i915_gem_object_get_dma_address(obj, 0);
+ base = plane_state->phys_dma_addr;
else
base = intel_plane_ggtt_offset(plane_state);
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index e67cd5b02e84f..9104f18753b48 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -727,6 +727,7 @@ struct intel_plane_state {
#define PLANE_HAS_FENCE BIT(0)
struct intel_fb_view view;
+ u32 phys_dma_addr; /* for cursor_needs_physical */
/* Plane pxp decryption state */
bool decrypt;
diff --git a/drivers/gpu/drm/i915/display/intel_fb_pin.c b/drivers/gpu/drm/i915/display/intel_fb_pin.c
index 7b42aef37d2f7..b6df9baf481b6 100644
--- a/drivers/gpu/drm/i915/display/intel_fb_pin.c
+++ b/drivers/gpu/drm/i915/display/intel_fb_pin.c
@@ -255,6 +255,16 @@ int intel_plane_pin_fb(struct intel_plane_state *plane_state)
return PTR_ERR(vma);
plane_state->ggtt_vma = vma;
+
+ /*
+ * Pre-populate the dma address before we enter the vblank
+ * evade critical section as i915_gem_object_get_dma_address()
+ * will trigger might_sleep() even if it won't actually sleep,
+ * which is the case when the fb has already been pinned.
+ */
+ if (phys_cursor)
+ plane_state->phys_dma_addr =
+ i915_gem_object_get_dma_address(intel_fb_obj(fb), 0);
} else {
struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
--
GitLab
From 32e39bab59934bfd3f37097d4dd85ac5eb0fd549 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Tue, 19 Mar 2024 11:24:42 +0200
Subject: [PATCH 1785/2686] drm/i915/bios: Tolerate devdata==NULL in
intel_bios_encoder_supports_dp_dual_mode()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
If we have no VBT, or the VBT didn't declare the encoder
in question, we won't have the 'devdata' for the encoder.
Instead of oopsing just bail early.
We won't be able to tell whether the port is DP++ or not,
but so be it.
Cc: stable@vger.kernel.org
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10464
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240319092443.15769-1-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 26410896206342c8a80d2b027923e9ee7d33b733)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_bios.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 9328601e4e9fa..52bd3576835b6 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -3382,6 +3382,9 @@ bool intel_bios_encoder_supports_dp_dual_mode(const struct intel_bios_encoder_da
{
const struct child_device_config *child = &devdata->child;
+ if (!devdata)
+ return false;
+
if (!intel_bios_encoder_supports_dp(devdata) ||
!intel_bios_encoder_supports_hdmi(devdata))
return false;
--
GitLab
From 2bd02f5a0bac4bb13e0da18652dc75ba0e4958ec Mon Sep 17 00:00:00 2001
From: Christian Hewitt <christianshewitt@gmail.com>
Date: Fri, 22 Mar 2024 16:45:25 +0000
Subject: [PATCH 1786/2686] drm/panfrost: fix power transition timeout warnings
Increase the timeout value to prevent system logs on Amlogic boards flooding
with power transition warnings:
[ 13.047638] panfrost ffe40000.gpu: shader power transition timeout
[ 13.048674] panfrost ffe40000.gpu: l2 power transition timeout
[ 13.937324] panfrost ffe40000.gpu: shader power transition timeout
[ 13.938351] panfrost ffe40000.gpu: l2 power transition timeout
...
[39829.506904] panfrost ffe40000.gpu: shader power transition timeout
[39829.507938] panfrost ffe40000.gpu: l2 power transition timeout
[39949.508369] panfrost ffe40000.gpu: shader power transition timeout
[39949.509405] panfrost ffe40000.gpu: l2 power transition timeout
The 2000 value has been found through trial and error testing with devices
using G52 and G31 GPUs.
Fixes: 22aa1a209018 ("drm/panfrost: Really power off GPU cores in panfrost_gpu_power_off()")
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240322164525.2617508-1-christianshewitt@gmail.com
---
drivers/gpu/drm/panfrost/panfrost_gpu.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/panfrost/panfrost_gpu.c b/drivers/gpu/drm/panfrost/panfrost_gpu.c
index 9063ce2546422..fd8e44992184f 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gpu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gpu.c
@@ -441,19 +441,19 @@ void panfrost_gpu_power_off(struct panfrost_device *pfdev)
gpu_write(pfdev, SHADER_PWROFF_LO, pfdev->features.shader_present);
ret = readl_relaxed_poll_timeout(pfdev->iomem + SHADER_PWRTRANS_LO,
- val, !val, 1, 1000);
+ val, !val, 1, 2000);
if (ret)
dev_err(pfdev->dev, "shader power transition timeout");
gpu_write(pfdev, TILER_PWROFF_LO, pfdev->features.tiler_present);
ret = readl_relaxed_poll_timeout(pfdev->iomem + TILER_PWRTRANS_LO,
- val, !val, 1, 1000);
+ val, !val, 1, 2000);
if (ret)
dev_err(pfdev->dev, "tiler power transition timeout");
gpu_write(pfdev, L2_PWROFF_LO, pfdev->features.l2_present);
ret = readl_poll_timeout(pfdev->iomem + L2_PWRTRANS_LO,
- val, !val, 0, 1000);
+ val, !val, 0, 2000);
if (ret)
dev_err(pfdev->dev, "l2 power transition timeout");
}
--
GitLab
From c60ebc58f2a82d27006cfc30af406bfd2ec204cc Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Fri, 15 Mar 2024 09:09:30 +0000
Subject: [PATCH 1787/2686] drm/nouveau/gr/gf100: Remove second semicolon
There is a statement with two semicolons. Remove the second one, it
is redundant.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240315090930.2429958-1-colin.i.king@gmail.com
---
drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index 986e8d547c942..060c74a80eb14 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -420,7 +420,7 @@ gf100_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
return ret;
} else {
ret = nvkm_memory_map(gr->attrib_cb, 0, chan->vmm, chan->attrib_cb,
- &args, sizeof(args));;
+ &args, sizeof(args));
if (ret)
return ret;
}
--
GitLab
From be141849ec00ef39935bf169c0f194ac70bf85ce Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Thu, 28 Mar 2024 12:43:16 +1000
Subject: [PATCH 1788/2686] nouveau/uvmm: fix addr/range calcs for remap
operations
dEQP-VK.sparse_resources.image_rebind.2d_array.r64i.128_128_8
was causing a remap operation like the below.
op_remap: prev: 0000003fffed0000 00000000000f0000 00000000a5abd18a 0000000000000000
op_remap: next:
op_remap: unmap: 0000003fffed0000 0000000000100000 0
op_map: map: 0000003ffffc0000 0000000000010000 000000005b1ba33c 00000000000e0000
This was resulting in an unmap operation from 0x3fffed0000+0xf0000, 0x100000
which was corrupting the pagetables and oopsing the kernel.
Fixes the prev + unmap range calcs to use start/end and map back to addr/range.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Fixes: b88baab82871 ("drm/nouveau: implement new VM_BIND uAPI")
Cc: Danilo Krummrich <dakr@redhat.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240328024317.2041851-1-airlied@gmail.com
---
drivers/gpu/drm/nouveau/nouveau_uvmm.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_uvmm.c b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
index 0a0a11dc9ec03..ee02cd833c5e4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_uvmm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
@@ -812,15 +812,15 @@ op_remap(struct drm_gpuva_op_remap *r,
struct drm_gpuva_op_unmap *u = r->unmap;
struct nouveau_uvma *uvma = uvma_from_va(u->va);
u64 addr = uvma->va.va.addr;
- u64 range = uvma->va.va.range;
+ u64 end = uvma->va.va.addr + uvma->va.va.range;
if (r->prev)
addr = r->prev->va.addr + r->prev->va.range;
if (r->next)
- range = r->next->va.addr - addr;
+ end = r->next->va.addr;
- op_unmap_range(u, addr, range);
+ op_unmap_range(u, addr, end - addr);
}
static int
--
GitLab
From cfedfb24c9ddee2bf1641545f6e9b6a02b924aee Mon Sep 17 00:00:00 2001
From: David Gow <davidgow@google.com>
Date: Tue, 26 Mar 2024 18:07:38 +0800
Subject: [PATCH 1789/2686] kunit: configs: Enable
CONFIG_DAMON_DBGFS_DEPRECATED for --alltests
This is required, as CONFIG_DAMON_DEBUGFS is enabled, and --alltests UML
builds will fail due to the missing config option otherwise.
Fixes: f4cba4bf6777 ("mm/damon: rename CONFIG_DAMON_DBGFS to DAMON_DBGFS_DEPRECATED")
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Rae Moar <rmoar@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
---
tools/testing/kunit/configs/all_tests.config | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/testing/kunit/configs/all_tests.config b/tools/testing/kunit/configs/all_tests.config
index aa5ec149f96c1..f388742cf2660 100644
--- a/tools/testing/kunit/configs/all_tests.config
+++ b/tools/testing/kunit/configs/all_tests.config
@@ -38,6 +38,7 @@ CONFIG_DAMON_VADDR=y
CONFIG_DAMON_PADDR=y
CONFIG_DEBUG_FS=y
CONFIG_DAMON_DBGFS=y
+CONFIG_DAMON_DBGFS_DEPRECATED=y
CONFIG_REGMAP_BUILD=y
--
GitLab
From a4ec240f6b7c21cf846d10017c3ce423a0eae92c Mon Sep 17 00:00:00 2001
From: Rob Clark <robdclark@chromium.org>
Date: Fri, 22 Mar 2024 14:48:01 -0700
Subject: [PATCH 1790/2686] drm/prime: Unbreak virtgpu dma-buf export
virtgpu "vram" GEM objects do not implement obj->get_sg_table(). But
they also don't use drm_gem_map_dma_buf(). In fact they may not even
have guest visible pages. But it is perfectly fine to export and share
with other virtual devices.
Reported-by: Dominik Behr <dbehr@chromium.org>
Fixes: 207395da5a97 ("drm/prime: reject DMA-BUF attach when get_sg_table is missing")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patchwork.freedesktop.org/patch/msgid/20240322214801.319975-1-robdclark@gmail.com
---
drivers/gpu/drm/drm_prime.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 7352bde299d54..03bd3c7bd0dc2 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -582,7 +582,12 @@ int drm_gem_map_attach(struct dma_buf *dma_buf,
{
struct drm_gem_object *obj = dma_buf->priv;
- if (!obj->funcs->get_sg_table)
+ /*
+ * drm_gem_map_dma_buf() requires obj->get_sg_table(), but drivers
+ * that implement their own ->map_dma_buf() do not.
+ */
+ if (dma_buf->ops->map_dma_buf == drm_gem_map_dma_buf &&
+ !obj->funcs->get_sg_table)
return -ENOSYS;
return drm_gem_pin(obj);
--
GitLab
From 310a5caa4e861616a27a83c3e8bda17d65026fa8 Mon Sep 17 00:00:00 2001
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Mon, 25 Mar 2024 17:18:12 -0500
Subject: [PATCH 1791/2686] ASoC: rt5682-sdw: fix locking sequence
The disable_irq_lock protects the 'disable_irq' value, we need to lock
before testing it.
Fixes: 02fb23d72720 ("ASoC: rt5682-sdw: fix for JD event handling in ClockStop Mode0")
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Chao Song <chao.song@linux.intel.com>
Link: https://msgid.link/r/20240325221817.206465-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/rt5682-sdw.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/rt5682-sdw.c b/sound/soc/codecs/rt5682-sdw.c
index e67c2e19cb1a7..1fdbef5fd6cba 100644
--- a/sound/soc/codecs/rt5682-sdw.c
+++ b/sound/soc/codecs/rt5682-sdw.c
@@ -763,12 +763,12 @@ static int __maybe_unused rt5682_dev_resume(struct device *dev)
return 0;
if (!slave->unattach_request) {
+ mutex_lock(&rt5682->disable_irq_lock);
if (rt5682->disable_irq == true) {
- mutex_lock(&rt5682->disable_irq_lock);
sdw_write_no_pm(slave, SDW_SCP_INTMASK1, SDW_SCP_INT1_IMPL_DEF);
rt5682->disable_irq = false;
- mutex_unlock(&rt5682->disable_irq_lock);
}
+ mutex_unlock(&rt5682->disable_irq_lock);
goto regmap_sync;
}
--
GitLab
From ee287771644394d071e6a331951ee8079b64f9a7 Mon Sep 17 00:00:00 2001
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Mon, 25 Mar 2024 17:18:13 -0500
Subject: [PATCH 1792/2686] ASoC: rt711-sdca: fix locking sequence
The disable_irq_lock protects the 'disable_irq' value, we need to lock
before testing it.
Fixes: 23adeb7056ac ("ASoC: rt711-sdca: fix for JD event handling in ClockStop Mode0")
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Chao Song <chao.song@linux.intel.com>
Link: https://msgid.link/r/20240325221817.206465-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/rt711-sdca-sdw.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/rt711-sdca-sdw.c b/sound/soc/codecs/rt711-sdca-sdw.c
index 935e597022d32..b8471b2d8f4f1 100644
--- a/sound/soc/codecs/rt711-sdca-sdw.c
+++ b/sound/soc/codecs/rt711-sdca-sdw.c
@@ -438,13 +438,13 @@ static int __maybe_unused rt711_sdca_dev_resume(struct device *dev)
return 0;
if (!slave->unattach_request) {
+ mutex_lock(&rt711->disable_irq_lock);
if (rt711->disable_irq == true) {
- mutex_lock(&rt711->disable_irq_lock);
sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK1, SDW_SCP_SDCA_INTMASK_SDCA_0);
sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK2, SDW_SCP_SDCA_INTMASK_SDCA_8);
rt711->disable_irq = false;
- mutex_unlock(&rt711->disable_irq_lock);
}
+ mutex_unlock(&rt711->disable_irq_lock);
goto regmap_sync;
}
--
GitLab
From aae86cfd8790bcc7693a5a0894df58de5cb5128c Mon Sep 17 00:00:00 2001
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Mon, 25 Mar 2024 17:18:14 -0500
Subject: [PATCH 1793/2686] ASoC: rt711-sdw: fix locking sequence
The disable_irq_lock protects the 'disable_irq' value, we need to lock
before testing it.
Fixes: b69de265bd0e ("ASoC: rt711: fix for JD event handling in ClockStop Mode0")
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Chao Song <chao.song@linux.intel.com>
Link: https://msgid.link/r/20240325221817.206465-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/rt711-sdw.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/rt711-sdw.c b/sound/soc/codecs/rt711-sdw.c
index 3f5773310ae8c..988451f24a756 100644
--- a/sound/soc/codecs/rt711-sdw.c
+++ b/sound/soc/codecs/rt711-sdw.c
@@ -536,12 +536,12 @@ static int __maybe_unused rt711_dev_resume(struct device *dev)
return 0;
if (!slave->unattach_request) {
+ mutex_lock(&rt711->disable_irq_lock);
if (rt711->disable_irq == true) {
- mutex_lock(&rt711->disable_irq_lock);
sdw_write_no_pm(slave, SDW_SCP_INTMASK1, SDW_SCP_INT1_IMPL_DEF);
rt711->disable_irq = false;
- mutex_unlock(&rt711->disable_irq_lock);
}
+ mutex_unlock(&rt711->disable_irq_lock);
goto regmap_sync;
}
--
GitLab
From c8b2e5c1b959d100990e4f0cbad38e7d047bb97c Mon Sep 17 00:00:00 2001
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Mon, 25 Mar 2024 17:18:15 -0500
Subject: [PATCH 1794/2686] ASoC: rt712-sdca-sdw: fix locking sequence
The disable_irq_lock protects the 'disable_irq' value, we need to lock
before testing it.
Fixes: 7a8735c1551e ("ASoC: rt712-sdca: fix for JD event handling in ClockStop Mode0")
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Chao Song <chao.song@linux.intel.com>
Link: https://msgid.link/r/20240325221817.206465-5-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/rt712-sdca-sdw.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/rt712-sdca-sdw.c b/sound/soc/codecs/rt712-sdca-sdw.c
index 01ac555cd79b8..36d0dd532b8d5 100644
--- a/sound/soc/codecs/rt712-sdca-sdw.c
+++ b/sound/soc/codecs/rt712-sdca-sdw.c
@@ -438,13 +438,14 @@ static int __maybe_unused rt712_sdca_dev_resume(struct device *dev)
return 0;
if (!slave->unattach_request) {
+ mutex_lock(&rt712->disable_irq_lock);
if (rt712->disable_irq == true) {
- mutex_lock(&rt712->disable_irq_lock);
+
sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK1, SDW_SCP_SDCA_INTMASK_SDCA_0);
sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK2, SDW_SCP_SDCA_INTMASK_SDCA_8);
rt712->disable_irq = false;
- mutex_unlock(&rt712->disable_irq_lock);
}
+ mutex_unlock(&rt712->disable_irq_lock);
goto regmap_sync;
}
--
GitLab
From adb354bbc231b23d3a05163ce35c1d598512ff64 Mon Sep 17 00:00:00 2001
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Mon, 25 Mar 2024 17:18:16 -0500
Subject: [PATCH 1795/2686] ASoC: rt722-sdca-sdw: fix locking sequence
The disable_irq_lock protects the 'disable_irq' value, we need to lock
before testing it.
Fixes: a0b7c59ac1a9 ("ASoC: rt722-sdca: fix for JD event handling in ClockStop Mode0")
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Chao Song <chao.song@linux.intel.com>
Link: https://msgid.link/r/20240325221817.206465-6-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/rt722-sdca-sdw.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/rt722-sdca-sdw.c b/sound/soc/codecs/rt722-sdca-sdw.c
index eb76f4c675b67..65d584c1886e8 100644
--- a/sound/soc/codecs/rt722-sdca-sdw.c
+++ b/sound/soc/codecs/rt722-sdca-sdw.c
@@ -467,13 +467,13 @@ static int __maybe_unused rt722_sdca_dev_resume(struct device *dev)
return 0;
if (!slave->unattach_request) {
+ mutex_lock(&rt722->disable_irq_lock);
if (rt722->disable_irq == true) {
- mutex_lock(&rt722->disable_irq_lock);
sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK1, SDW_SCP_SDCA_INTMASK_SDCA_6);
sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK2, SDW_SCP_SDCA_INTMASK_SDCA_8);
rt722->disable_irq = false;
- mutex_unlock(&rt722->disable_irq_lock);
}
+ mutex_unlock(&rt722->disable_irq_lock);
goto regmap_sync;
}
--
GitLab
From f892e66fcabc6161cd38c0fc86e769208174b840 Mon Sep 17 00:00:00 2001
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Mon, 25 Mar 2024 17:18:17 -0500
Subject: [PATCH 1796/2686] ASoC: rt-sdw*: add __func__ to all error logs
The drivers for Realtek SoundWire codecs use similar logs, which is
problematic to analyze problems reported by CI tools, e.g. "Failed to
get private value: 752001 => 0000 ret=-5". It's not uncommon to have
several Realtek devices on the same platform, having the same log
thrown makes support difficult.
This patch adds __func__ to all error logs which didn't already
include it.
No functionality change, only error logs are modified.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://msgid.link/r/20240325221817.206465-7-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/rt1316-sdw.c | 8 +++---
sound/soc/codecs/rt1318-sdw.c | 8 +++---
sound/soc/codecs/rt5682-sdw.c | 12 ++++----
sound/soc/codecs/rt700.c | 16 +++++------
sound/soc/codecs/rt711-sdca-sdw.c | 2 +-
sound/soc/codecs/rt711-sdca.c | 18 ++++++------
sound/soc/codecs/rt711-sdw.c | 4 +--
sound/soc/codecs/rt711.c | 16 +++++------
sound/soc/codecs/rt712-sdca-dmic.c | 24 +++++++++-------
sound/soc/codecs/rt712-sdca-sdw.c | 2 +-
sound/soc/codecs/rt712-sdca.c | 20 ++++++-------
sound/soc/codecs/rt715-sdca-sdw.c | 2 +-
sound/soc/codecs/rt715-sdca.c | 46 +++++++++++++++---------------
sound/soc/codecs/rt715-sdw.c | 4 +--
sound/soc/codecs/rt715.c | 24 ++++++++--------
sound/soc/codecs/rt722-sdca.c | 21 +++++++-------
16 files changed, 115 insertions(+), 112 deletions(-)
diff --git a/sound/soc/codecs/rt1316-sdw.c b/sound/soc/codecs/rt1316-sdw.c
index 47511f70119ae..0b3bf920bcab2 100644
--- a/sound/soc/codecs/rt1316-sdw.c
+++ b/sound/soc/codecs/rt1316-sdw.c
@@ -537,7 +537,7 @@ static int rt1316_sdw_hw_params(struct snd_pcm_substream *substream,
retval = sdw_stream_add_slave(rt1316->sdw_slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
- dev_err(dai->dev, "Unable to configure port\n");
+ dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
return retval;
}
@@ -577,12 +577,12 @@ static int rt1316_sdw_parse_dt(struct rt1316_sdw_priv *rt1316, struct device *de
if (rt1316->bq_params_cnt) {
rt1316->bq_params = devm_kzalloc(dev, rt1316->bq_params_cnt, GFP_KERNEL);
if (!rt1316->bq_params) {
- dev_err(dev, "Could not allocate bq_params memory\n");
+ dev_err(dev, "%s: Could not allocate bq_params memory\n", __func__);
ret = -ENOMEM;
} else {
ret = device_property_read_u8_array(dev, "realtek,bq-params", rt1316->bq_params, rt1316->bq_params_cnt);
if (ret < 0)
- dev_err(dev, "Could not read list of realtek,bq-params\n");
+ dev_err(dev, "%s: Could not read list of realtek,bq-params\n", __func__);
}
}
@@ -759,7 +759,7 @@ static int __maybe_unused rt1316_dev_resume(struct device *dev)
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT1316_PROBE_TIMEOUT));
if (!time) {
- dev_err(&slave->dev, "Initialization not complete, timed out\n");
+ dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);
sdw_show_ping_status(slave->bus, true);
return -ETIMEDOUT;
diff --git a/sound/soc/codecs/rt1318-sdw.c b/sound/soc/codecs/rt1318-sdw.c
index ff364bde4a084..462c9a4b1be5d 100644
--- a/sound/soc/codecs/rt1318-sdw.c
+++ b/sound/soc/codecs/rt1318-sdw.c
@@ -606,7 +606,7 @@ static int rt1318_sdw_hw_params(struct snd_pcm_substream *substream,
retval = sdw_stream_add_slave(rt1318->sdw_slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
- dev_err(dai->dev, "Unable to configure port\n");
+ dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
return retval;
}
@@ -631,8 +631,8 @@ static int rt1318_sdw_hw_params(struct snd_pcm_substream *substream,
sampling_rate = RT1318_SDCA_RATE_192000HZ;
break;
default:
- dev_err(component->dev, "Rate %d is not supported\n",
- params_rate(params));
+ dev_err(component->dev, "%s: Rate %d is not supported\n",
+ __func__, params_rate(params));
return -EINVAL;
}
@@ -835,7 +835,7 @@ static int __maybe_unused rt1318_dev_resume(struct device *dev)
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT1318_PROBE_TIMEOUT));
if (!time) {
- dev_err(&slave->dev, "Initialization not complete, timed out\n");
+ dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);
return -ETIMEDOUT;
}
diff --git a/sound/soc/codecs/rt5682-sdw.c b/sound/soc/codecs/rt5682-sdw.c
index 1fdbef5fd6cba..f9ee42c13dbac 100644
--- a/sound/soc/codecs/rt5682-sdw.c
+++ b/sound/soc/codecs/rt5682-sdw.c
@@ -132,7 +132,7 @@ static int rt5682_sdw_hw_params(struct snd_pcm_substream *substream,
retval = sdw_stream_add_slave(rt5682->slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
- dev_err(dai->dev, "Unable to configure port\n");
+ dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
return retval;
}
@@ -315,8 +315,8 @@ static int rt5682_sdw_init(struct device *dev, struct regmap *regmap,
&rt5682_sdw_indirect_regmap);
if (IS_ERR(rt5682->regmap)) {
ret = PTR_ERR(rt5682->regmap);
- dev_err(dev, "Failed to allocate register map: %d\n",
- ret);
+ dev_err(dev, "%s: Failed to allocate register map: %d\n",
+ __func__, ret);
return ret;
}
@@ -400,7 +400,7 @@ static int rt5682_io_init(struct device *dev, struct sdw_slave *slave)
}
if (val != DEVICE_ID) {
- dev_err(dev, "Device with ID register %x is not rt5682\n", val);
+ dev_err(dev, "%s: Device with ID register %x is not rt5682\n", __func__, val);
ret = -ENODEV;
goto err_nodev;
}
@@ -648,7 +648,7 @@ static int rt5682_bus_config(struct sdw_slave *slave,
ret = rt5682_clock_config(&slave->dev);
if (ret < 0)
- dev_err(&slave->dev, "Invalid clk config");
+ dev_err(&slave->dev, "%s: Invalid clk config", __func__);
return ret;
}
@@ -775,7 +775,7 @@ static int __maybe_unused rt5682_dev_resume(struct device *dev)
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT5682_PROBE_TIMEOUT));
if (!time) {
- dev_err(&slave->dev, "Initialization not complete, timed out\n");
+ dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);
sdw_show_ping_status(slave->bus, true);
return -ETIMEDOUT;
diff --git a/sound/soc/codecs/rt700.c b/sound/soc/codecs/rt700.c
index 0ebf344a1b609..434b926f96c83 100644
--- a/sound/soc/codecs/rt700.c
+++ b/sound/soc/codecs/rt700.c
@@ -37,8 +37,8 @@ static int rt700_index_write(struct regmap *regmap,
ret = regmap_write(regmap, addr, value);
if (ret < 0)
- pr_err("Failed to set private value: %06x <= %04x ret=%d\n",
- addr, value, ret);
+ pr_err("%s: Failed to set private value: %06x <= %04x ret=%d\n",
+ __func__, addr, value, ret);
return ret;
}
@@ -52,8 +52,8 @@ static int rt700_index_read(struct regmap *regmap,
*value = 0;
ret = regmap_read(regmap, addr, value);
if (ret < 0)
- pr_err("Failed to get private value: %06x => %04x ret=%d\n",
- addr, *value, ret);
+ pr_err("%s: Failed to get private value: %06x => %04x ret=%d\n",
+ __func__, addr, *value, ret);
return ret;
}
@@ -930,14 +930,14 @@ static int rt700_pcm_hw_params(struct snd_pcm_substream *substream,
port_config.num += 2;
break;
default:
- dev_err(component->dev, "Invalid DAI id %d\n", dai->id);
+ dev_err(component->dev, "%s: Invalid DAI id %d\n", __func__, dai->id);
return -EINVAL;
}
retval = sdw_stream_add_slave(rt700->slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
- dev_err(dai->dev, "Unable to configure port\n");
+ dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
return retval;
}
@@ -945,8 +945,8 @@ static int rt700_pcm_hw_params(struct snd_pcm_substream *substream,
/* bit 3:0 Number of Channel */
val |= (params_channels(params) - 1);
} else {
- dev_err(component->dev, "Unsupported channels %d\n",
- params_channels(params));
+ dev_err(component->dev, "%s: Unsupported channels %d\n",
+ __func__, params_channels(params));
return -EINVAL;
}
diff --git a/sound/soc/codecs/rt711-sdca-sdw.c b/sound/soc/codecs/rt711-sdca-sdw.c
index b8471b2d8f4f1..2636c2eea4bc8 100644
--- a/sound/soc/codecs/rt711-sdca-sdw.c
+++ b/sound/soc/codecs/rt711-sdca-sdw.c
@@ -451,7 +451,7 @@ static int __maybe_unused rt711_sdca_dev_resume(struct device *dev)
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT711_PROBE_TIMEOUT));
if (!time) {
- dev_err(&slave->dev, "Initialization not complete, timed out\n");
+ dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);
sdw_show_ping_status(slave->bus, true);
return -ETIMEDOUT;
diff --git a/sound/soc/codecs/rt711-sdca.c b/sound/soc/codecs/rt711-sdca.c
index 447154cb60104..1e8dbfc3ecd96 100644
--- a/sound/soc/codecs/rt711-sdca.c
+++ b/sound/soc/codecs/rt711-sdca.c
@@ -36,8 +36,8 @@ static int rt711_sdca_index_write(struct rt711_sdca_priv *rt711,
ret = regmap_write(regmap, addr, value);
if (ret < 0)
dev_err(&rt711->slave->dev,
- "Failed to set private value: %06x <= %04x ret=%d\n",
- addr, value, ret);
+ "%s: Failed to set private value: %06x <= %04x ret=%d\n",
+ __func__, addr, value, ret);
return ret;
}
@@ -52,8 +52,8 @@ static int rt711_sdca_index_read(struct rt711_sdca_priv *rt711,
ret = regmap_read(regmap, addr, value);
if (ret < 0)
dev_err(&rt711->slave->dev,
- "Failed to get private value: %06x => %04x ret=%d\n",
- addr, *value, ret);
+ "%s: Failed to get private value: %06x => %04x ret=%d\n",
+ __func__, addr, *value, ret);
return ret;
}
@@ -1293,13 +1293,13 @@ static int rt711_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
retval = sdw_stream_add_slave(rt711->slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
- dev_err(dai->dev, "Unable to configure port\n");
+ dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
return retval;
}
if (params_channels(params) > 16) {
- dev_err(component->dev, "Unsupported channels %d\n",
- params_channels(params));
+ dev_err(component->dev, "%s: Unsupported channels %d\n",
+ __func__, params_channels(params));
return -EINVAL;
}
@@ -1318,8 +1318,8 @@ static int rt711_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
sampling_rate = RT711_SDCA_RATE_192000HZ;
break;
default:
- dev_err(component->dev, "Rate %d is not supported\n",
- params_rate(params));
+ dev_err(component->dev, "%s: Rate %d is not supported\n",
+ __func__, params_rate(params));
return -EINVAL;
}
diff --git a/sound/soc/codecs/rt711-sdw.c b/sound/soc/codecs/rt711-sdw.c
index 988451f24a756..0d3b43dd22e63 100644
--- a/sound/soc/codecs/rt711-sdw.c
+++ b/sound/soc/codecs/rt711-sdw.c
@@ -408,7 +408,7 @@ static int rt711_bus_config(struct sdw_slave *slave,
ret = rt711_clock_config(&slave->dev);
if (ret < 0)
- dev_err(&slave->dev, "Invalid clk config");
+ dev_err(&slave->dev, "%s: Invalid clk config", __func__);
return ret;
}
@@ -548,7 +548,7 @@ static int __maybe_unused rt711_dev_resume(struct device *dev)
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT711_PROBE_TIMEOUT));
if (!time) {
- dev_err(&slave->dev, "Initialization not complete, timed out\n");
+ dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);
return -ETIMEDOUT;
}
diff --git a/sound/soc/codecs/rt711.c b/sound/soc/codecs/rt711.c
index 66eaed13b0d6a..5446f9506a167 100644
--- a/sound/soc/codecs/rt711.c
+++ b/sound/soc/codecs/rt711.c
@@ -37,8 +37,8 @@ static int rt711_index_write(struct regmap *regmap,
ret = regmap_write(regmap, addr, value);
if (ret < 0)
- pr_err("Failed to set private value: %06x <= %04x ret=%d\n",
- addr, value, ret);
+ pr_err("%s: Failed to set private value: %06x <= %04x ret=%d\n",
+ __func__, addr, value, ret);
return ret;
}
@@ -52,8 +52,8 @@ static int rt711_index_read(struct regmap *regmap,
*value = 0;
ret = regmap_read(regmap, addr, value);
if (ret < 0)
- pr_err("Failed to get private value: %06x => %04x ret=%d\n",
- addr, *value, ret);
+ pr_err("%s: Failed to get private value: %06x => %04x ret=%d\n",
+ __func__, addr, *value, ret);
return ret;
}
@@ -428,7 +428,7 @@ static void rt711_jack_init(struct rt711_priv *rt711)
RT711_HP_JD_FINAL_RESULT_CTL_JD12);
break;
default:
- dev_warn(rt711->component->dev, "Wrong JD source\n");
+ dev_warn(rt711->component->dev, "%s: Wrong JD source\n", __func__);
break;
}
@@ -1020,7 +1020,7 @@ static int rt711_pcm_hw_params(struct snd_pcm_substream *substream,
retval = sdw_stream_add_slave(rt711->slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
- dev_err(dai->dev, "Unable to configure port\n");
+ dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
return retval;
}
@@ -1028,8 +1028,8 @@ static int rt711_pcm_hw_params(struct snd_pcm_substream *substream,
/* bit 3:0 Number of Channel */
val |= (params_channels(params) - 1);
} else {
- dev_err(component->dev, "Unsupported channels %d\n",
- params_channels(params));
+ dev_err(component->dev, "%s: Unsupported channels %d\n",
+ __func__, params_channels(params));
return -EINVAL;
}
diff --git a/sound/soc/codecs/rt712-sdca-dmic.c b/sound/soc/codecs/rt712-sdca-dmic.c
index 0926b26619bd4..012b79e72cf6b 100644
--- a/sound/soc/codecs/rt712-sdca-dmic.c
+++ b/sound/soc/codecs/rt712-sdca-dmic.c
@@ -139,8 +139,8 @@ static int rt712_sdca_dmic_index_write(struct rt712_sdca_dmic_priv *rt712,
ret = regmap_write(regmap, addr, value);
if (ret < 0)
dev_err(&rt712->slave->dev,
- "Failed to set private value: %06x <= %04x ret=%d\n",
- addr, value, ret);
+ "%s: Failed to set private value: %06x <= %04x ret=%d\n",
+ __func__, addr, value, ret);
return ret;
}
@@ -155,8 +155,8 @@ static int rt712_sdca_dmic_index_read(struct rt712_sdca_dmic_priv *rt712,
ret = regmap_read(regmap, addr, value);
if (ret < 0)
dev_err(&rt712->slave->dev,
- "Failed to get private value: %06x => %04x ret=%d\n",
- addr, *value, ret);
+ "%s: Failed to get private value: %06x => %04x ret=%d\n",
+ __func__, addr, *value, ret);
return ret;
}
@@ -317,7 +317,8 @@ static int rt712_sdca_dmic_set_gain_put(struct snd_kcontrol *kcontrol,
for (i = 0; i < p->count; i++) {
err = regmap_write(rt712->mbq_regmap, p->reg_base + i, gain_val[i]);
if (err < 0)
- dev_err(&rt712->slave->dev, "0x%08x can't be set\n", p->reg_base + i);
+ dev_err(&rt712->slave->dev, "%s: 0x%08x can't be set\n",
+ __func__, p->reg_base + i);
}
return changed;
@@ -667,13 +668,13 @@ static int rt712_sdca_dmic_hw_params(struct snd_pcm_substream *substream,
retval = sdw_stream_add_slave(rt712->slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
- dev_err(dai->dev, "Unable to configure port\n");
+ dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
return retval;
}
if (params_channels(params) > 4) {
- dev_err(component->dev, "Unsupported channels %d\n",
- params_channels(params));
+ dev_err(component->dev, "%s: Unsupported channels %d\n",
+ __func__, params_channels(params));
return -EINVAL;
}
@@ -698,8 +699,8 @@ static int rt712_sdca_dmic_hw_params(struct snd_pcm_substream *substream,
sampling_rate = RT712_SDCA_RATE_192000HZ;
break;
default:
- dev_err(component->dev, "Rate %d is not supported\n",
- params_rate(params));
+ dev_err(component->dev, "%s: Rate %d is not supported\n",
+ __func__, params_rate(params));
return -EINVAL;
}
@@ -923,7 +924,8 @@ static int __maybe_unused rt712_sdca_dmic_dev_resume(struct device *dev)
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT712_PROBE_TIMEOUT));
if (!time) {
- dev_err(&slave->dev, "Initialization not complete, timed out\n");
+ dev_err(&slave->dev, "%s: Initialization not complete, timed out\n",
+ __func__);
sdw_show_ping_status(slave->bus, true);
return -ETIMEDOUT;
diff --git a/sound/soc/codecs/rt712-sdca-sdw.c b/sound/soc/codecs/rt712-sdca-sdw.c
index 36d0dd532b8d5..4e9ab3ef135b3 100644
--- a/sound/soc/codecs/rt712-sdca-sdw.c
+++ b/sound/soc/codecs/rt712-sdca-sdw.c
@@ -452,7 +452,7 @@ static int __maybe_unused rt712_sdca_dev_resume(struct device *dev)
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT712_PROBE_TIMEOUT));
if (!time) {
- dev_err(&slave->dev, "Initialization not complete, timed out\n");
+ dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);
sdw_show_ping_status(slave->bus, true);
return -ETIMEDOUT;
diff --git a/sound/soc/codecs/rt712-sdca.c b/sound/soc/codecs/rt712-sdca.c
index 6954fbe7ec5f3..b503de9fda80e 100644
--- a/sound/soc/codecs/rt712-sdca.c
+++ b/sound/soc/codecs/rt712-sdca.c
@@ -34,8 +34,8 @@ static int rt712_sdca_index_write(struct rt712_sdca_priv *rt712,
ret = regmap_write(regmap, addr, value);
if (ret < 0)
dev_err(&rt712->slave->dev,
- "Failed to set private value: %06x <= %04x ret=%d\n",
- addr, value, ret);
+ "%s: Failed to set private value: %06x <= %04x ret=%d\n",
+ __func__, addr, value, ret);
return ret;
}
@@ -50,8 +50,8 @@ static int rt712_sdca_index_read(struct rt712_sdca_priv *rt712,
ret = regmap_read(regmap, addr, value);
if (ret < 0)
dev_err(&rt712->slave->dev,
- "Failed to get private value: %06x => %04x ret=%d\n",
- addr, *value, ret);
+ "%s: Failed to get private value: %06x => %04x ret=%d\n",
+ __func__, addr, *value, ret);
return ret;
}
@@ -1060,13 +1060,13 @@ static int rt712_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
retval = sdw_stream_add_slave(rt712->slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
- dev_err(dai->dev, "Unable to configure port\n");
+ dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
return retval;
}
if (params_channels(params) > 16) {
- dev_err(component->dev, "Unsupported channels %d\n",
- params_channels(params));
+ dev_err(component->dev, "%s: Unsupported channels %d\n",
+ __func__, params_channels(params));
return -EINVAL;
}
@@ -1085,8 +1085,8 @@ static int rt712_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
sampling_rate = RT712_SDCA_RATE_192000HZ;
break;
default:
- dev_err(component->dev, "Rate %d is not supported\n",
- params_rate(params));
+ dev_err(component->dev, "%s: Rate %d is not supported\n",
+ __func__, params_rate(params));
return -EINVAL;
}
@@ -1106,7 +1106,7 @@ static int rt712_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
sampling_rate);
break;
default:
- dev_err(component->dev, "Wrong DAI id\n");
+ dev_err(component->dev, "%s: Wrong DAI id\n", __func__);
return -EINVAL;
}
diff --git a/sound/soc/codecs/rt715-sdca-sdw.c b/sound/soc/codecs/rt715-sdca-sdw.c
index ab54a67a27ebb..ee450126106f9 100644
--- a/sound/soc/codecs/rt715-sdca-sdw.c
+++ b/sound/soc/codecs/rt715-sdca-sdw.c
@@ -237,7 +237,7 @@ static int __maybe_unused rt715_dev_resume(struct device *dev)
time = wait_for_completion_timeout(&slave->enumeration_complete,
msecs_to_jiffies(RT715_PROBE_TIMEOUT));
if (!time) {
- dev_err(&slave->dev, "Enumeration not complete, timed out\n");
+ dev_err(&slave->dev, "%s: Enumeration not complete, timed out\n", __func__);
sdw_show_ping_status(slave->bus, true);
return -ETIMEDOUT;
diff --git a/sound/soc/codecs/rt715-sdca.c b/sound/soc/codecs/rt715-sdca.c
index 4533eedd7e189..3fb7b9adb61de 100644
--- a/sound/soc/codecs/rt715-sdca.c
+++ b/sound/soc/codecs/rt715-sdca.c
@@ -41,8 +41,8 @@ static int rt715_sdca_index_write(struct rt715_sdca_priv *rt715,
ret = regmap_write(regmap, addr, value);
if (ret < 0)
dev_err(&rt715->slave->dev,
- "Failed to set private value: %08x <= %04x %d\n",
- addr, value, ret);
+ "%s: Failed to set private value: %08x <= %04x %d\n",
+ __func__, addr, value, ret);
return ret;
}
@@ -59,8 +59,8 @@ static int rt715_sdca_index_read(struct rt715_sdca_priv *rt715,
ret = regmap_read(regmap, addr, value);
if (ret < 0)
dev_err(&rt715->slave->dev,
- "Failed to get private value: %06x => %04x ret=%d\n",
- addr, *value, ret);
+ "%s: Failed to get private value: %06x => %04x ret=%d\n",
+ __func__, addr, *value, ret);
return ret;
}
@@ -152,8 +152,8 @@ static int rt715_sdca_set_amp_gain_put(struct snd_kcontrol *kcontrol,
mc->shift);
ret = regmap_write(rt715->mbq_regmap, mc->reg + i, gain_val);
if (ret != 0) {
- dev_err(component->dev, "Failed to write 0x%x=0x%x\n",
- mc->reg + i, gain_val);
+ dev_err(component->dev, "%s: Failed to write 0x%x=0x%x\n",
+ __func__, mc->reg + i, gain_val);
return ret;
}
}
@@ -188,8 +188,8 @@ static int rt715_sdca_set_amp_gain_4ch_put(struct snd_kcontrol *kcontrol,
ret = regmap_write(rt715->mbq_regmap, reg_base + i,
gain_val);
if (ret != 0) {
- dev_err(component->dev, "Failed to write 0x%x=0x%x\n",
- reg_base + i, gain_val);
+ dev_err(component->dev, "%s: Failed to write 0x%x=0x%x\n",
+ __func__, reg_base + i, gain_val);
return ret;
}
}
@@ -224,8 +224,8 @@ static int rt715_sdca_set_amp_gain_8ch_put(struct snd_kcontrol *kcontrol,
reg = i < 7 ? reg_base + i : (reg_base - 1) | BIT(15);
ret = regmap_write(rt715->mbq_regmap, reg, gain_val);
if (ret != 0) {
- dev_err(component->dev, "Failed to write 0x%x=0x%x\n",
- reg, gain_val);
+ dev_err(component->dev, "%s: Failed to write 0x%x=0x%x\n",
+ __func__, reg, gain_val);
return ret;
}
}
@@ -246,8 +246,8 @@ static int rt715_sdca_set_amp_gain_get(struct snd_kcontrol *kcontrol,
for (i = 0; i < 2; i++) {
ret = regmap_read(rt715->mbq_regmap, mc->reg + i, &val);
if (ret < 0) {
- dev_err(component->dev, "Failed to read 0x%x, ret=%d\n",
- mc->reg + i, ret);
+ dev_err(component->dev, "%s: Failed to read 0x%x, ret=%d\n",
+ __func__, mc->reg + i, ret);
return ret;
}
ucontrol->value.integer.value[i] = rt715_sdca_get_gain(val, mc->shift);
@@ -271,8 +271,8 @@ static int rt715_sdca_set_amp_gain_4ch_get(struct snd_kcontrol *kcontrol,
for (i = 0; i < 4; i++) {
ret = regmap_read(rt715->mbq_regmap, reg_base + i, &val);
if (ret < 0) {
- dev_err(component->dev, "Failed to read 0x%x, ret=%d\n",
- reg_base + i, ret);
+ dev_err(component->dev, "%s: Failed to read 0x%x, ret=%d\n",
+ __func__, reg_base + i, ret);
return ret;
}
ucontrol->value.integer.value[i] = rt715_sdca_get_gain(val, gain_sft);
@@ -297,8 +297,8 @@ static int rt715_sdca_set_amp_gain_8ch_get(struct snd_kcontrol *kcontrol,
for (i = 0; i < 8; i += 2) {
ret = regmap_read(rt715->mbq_regmap, reg_base + i, &val_l);
if (ret < 0) {
- dev_err(component->dev, "Failed to read 0x%x, ret=%d\n",
- reg_base + i, ret);
+ dev_err(component->dev, "%s: Failed to read 0x%x, ret=%d\n",
+ __func__, reg_base + i, ret);
return ret;
}
ucontrol->value.integer.value[i] = (val_l >> gain_sft) / 10;
@@ -306,8 +306,8 @@ static int rt715_sdca_set_amp_gain_8ch_get(struct snd_kcontrol *kcontrol,
reg = (i == 6) ? (reg_base - 1) | BIT(15) : reg_base + 1 + i;
ret = regmap_read(rt715->mbq_regmap, reg, &val_r);
if (ret < 0) {
- dev_err(component->dev, "Failed to read 0x%x, ret=%d\n",
- reg, ret);
+ dev_err(component->dev, "%s: Failed to read 0x%x, ret=%d\n",
+ __func__, reg, ret);
return ret;
}
ucontrol->value.integer.value[i + 1] = (val_r >> gain_sft) / 10;
@@ -834,15 +834,15 @@ static int rt715_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
0xaf00);
break;
default:
- dev_err(component->dev, "Invalid DAI id %d\n", dai->id);
+ dev_err(component->dev, "%s: Invalid DAI id %d\n", __func__, dai->id);
return -EINVAL;
}
retval = sdw_stream_add_slave(rt715->slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
- dev_err(component->dev, "Unable to configure port, retval:%d\n",
- retval);
+ dev_err(component->dev, "%s: Unable to configure port, retval:%d\n",
+ __func__, retval);
return retval;
}
@@ -893,8 +893,8 @@ static int rt715_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
val = 0xf;
break;
default:
- dev_err(component->dev, "Unsupported sample rate %d\n",
- params_rate(params));
+ dev_err(component->dev, "%s: Unsupported sample rate %d\n",
+ __func__, params_rate(params));
return -EINVAL;
}
diff --git a/sound/soc/codecs/rt715-sdw.c b/sound/soc/codecs/rt715-sdw.c
index 21f37babd148a..7e13868ff99f0 100644
--- a/sound/soc/codecs/rt715-sdw.c
+++ b/sound/soc/codecs/rt715-sdw.c
@@ -482,7 +482,7 @@ static int rt715_bus_config(struct sdw_slave *slave,
ret = rt715_clock_config(&slave->dev);
if (ret < 0)
- dev_err(&slave->dev, "Invalid clk config");
+ dev_err(&slave->dev, "%s: Invalid clk config", __func__);
return 0;
}
@@ -554,7 +554,7 @@ static int __maybe_unused rt715_dev_resume(struct device *dev)
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT715_PROBE_TIMEOUT));
if (!time) {
- dev_err(&slave->dev, "Initialization not complete, timed out\n");
+ dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);
sdw_show_ping_status(slave->bus, true);
return -ETIMEDOUT;
diff --git a/sound/soc/codecs/rt715.c b/sound/soc/codecs/rt715.c
index 9f732a5abd53f..299c9b12377c6 100644
--- a/sound/soc/codecs/rt715.c
+++ b/sound/soc/codecs/rt715.c
@@ -40,8 +40,8 @@ static int rt715_index_write(struct regmap *regmap, unsigned int reg,
ret = regmap_write(regmap, addr, value);
if (ret < 0) {
- pr_err("Failed to set private value: %08x <= %04x %d\n",
- addr, value, ret);
+ pr_err("%s: Failed to set private value: %08x <= %04x %d\n",
+ __func__, addr, value, ret);
}
return ret;
@@ -55,8 +55,8 @@ static int rt715_index_write_nid(struct regmap *regmap,
ret = regmap_write(regmap, addr, value);
if (ret < 0)
- pr_err("Failed to set private value: %06x <= %04x ret=%d\n",
- addr, value, ret);
+ pr_err("%s: Failed to set private value: %06x <= %04x ret=%d\n",
+ __func__, addr, value, ret);
return ret;
}
@@ -70,8 +70,8 @@ static int rt715_index_read_nid(struct regmap *regmap,
*value = 0;
ret = regmap_read(regmap, addr, value);
if (ret < 0)
- pr_err("Failed to get private value: %06x => %04x ret=%d\n",
- addr, *value, ret);
+ pr_err("%s: Failed to get private value: %06x => %04x ret=%d\n",
+ __func__, addr, *value, ret);
return ret;
}
@@ -862,14 +862,14 @@ static int rt715_pcm_hw_params(struct snd_pcm_substream *substream,
rt715_index_write(rt715->regmap, RT715_SDW_INPUT_SEL, 0xa000);
break;
default:
- dev_err(component->dev, "Invalid DAI id %d\n", dai->id);
+ dev_err(component->dev, "%s: Invalid DAI id %d\n", __func__, dai->id);
return -EINVAL;
}
retval = sdw_stream_add_slave(rt715->slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
- dev_err(dai->dev, "Unable to configure port\n");
+ dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
return retval;
}
@@ -883,8 +883,8 @@ static int rt715_pcm_hw_params(struct snd_pcm_substream *substream,
val |= 0x0 << 8;
break;
default:
- dev_err(component->dev, "Unsupported sample rate %d\n",
- params_rate(params));
+ dev_err(component->dev, "%s: Unsupported sample rate %d\n",
+ __func__, params_rate(params));
return -EINVAL;
}
@@ -892,8 +892,8 @@ static int rt715_pcm_hw_params(struct snd_pcm_substream *substream,
/* bit 3:0 Number of Channel */
val |= (params_channels(params) - 1);
} else {
- dev_err(component->dev, "Unsupported channels %d\n",
- params_channels(params));
+ dev_err(component->dev, "%s: Unsupported channels %d\n",
+ __func__, params_channels(params));
return -EINVAL;
}
diff --git a/sound/soc/codecs/rt722-sdca.c b/sound/soc/codecs/rt722-sdca.c
index 0e1c65a20392a..e0ea3a23f7cc6 100644
--- a/sound/soc/codecs/rt722-sdca.c
+++ b/sound/soc/codecs/rt722-sdca.c
@@ -35,8 +35,8 @@ int rt722_sdca_index_write(struct rt722_sdca_priv *rt722,
ret = regmap_write(regmap, addr, value);
if (ret < 0)
dev_err(&rt722->slave->dev,
- "Failed to set private value: %06x <= %04x ret=%d\n",
- addr, value, ret);
+ "%s: Failed to set private value: %06x <= %04x ret=%d\n",
+ __func__, addr, value, ret);
return ret;
}
@@ -51,8 +51,8 @@ int rt722_sdca_index_read(struct rt722_sdca_priv *rt722,
ret = regmap_read(regmap, addr, value);
if (ret < 0)
dev_err(&rt722->slave->dev,
- "Failed to get private value: %06x => %04x ret=%d\n",
- addr, *value, ret);
+ "%s: Failed to get private value: %06x => %04x ret=%d\n",
+ __func__, addr, *value, ret);
return ret;
}
@@ -663,7 +663,8 @@ static int rt722_sdca_dmic_set_gain_put(struct snd_kcontrol *kcontrol,
for (i = 0; i < p->count; i++) {
err = regmap_write(rt722->mbq_regmap, p->reg_base + i, gain_val[i]);
if (err < 0)
- dev_err(&rt722->slave->dev, "%#08x can't be set\n", p->reg_base + i);
+ dev_err(&rt722->slave->dev, "%s: %#08x can't be set\n",
+ __func__, p->reg_base + i);
}
return changed;
@@ -1211,13 +1212,13 @@ static int rt722_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
retval = sdw_stream_add_slave(rt722->slave, &stream_config,
&port_config, 1, sdw_stream);
if (retval) {
- dev_err(dai->dev, "Unable to configure port\n");
+ dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
return retval;
}
if (params_channels(params) > 16) {
- dev_err(component->dev, "Unsupported channels %d\n",
- params_channels(params));
+ dev_err(component->dev, "%s: Unsupported channels %d\n",
+ __func__, params_channels(params));
return -EINVAL;
}
@@ -1236,8 +1237,8 @@ static int rt722_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
sampling_rate = RT722_SDCA_RATE_192000HZ;
break;
default:
- dev_err(component->dev, "Rate %d is not supported\n",
- params_rate(params));
+ dev_err(component->dev, "%s: Rate %d is not supported\n",
+ __func__, params_rate(params));
return -EINVAL;
}
--
GitLab
From 7a84602297d36617dbdadeba55a2567031e5165b Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@kernel.org>
Date: Tue, 19 Mar 2024 12:34:45 -0400
Subject: [PATCH 1797/2686] 9p: explicitly deny setlease attempts
9p is a remote network protocol, and it doesn't support asynchronous
notifications from the server. Ensure that we don't hand out any leases
since we can't guarantee they'll be broken when a file's contents
change.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
---
fs/9p/vfs_file.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index abdbbaee51846..348cc90bf9c56 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -520,6 +520,7 @@ const struct file_operations v9fs_file_operations = {
.splice_read = v9fs_file_splice_read,
.splice_write = iter_file_splice_write,
.fsync = v9fs_file_fsync,
+ .setlease = simple_nosetlease,
};
const struct file_operations v9fs_file_operations_dotl = {
@@ -534,4 +535,5 @@ const struct file_operations v9fs_file_operations_dotl = {
.splice_read = v9fs_file_splice_read,
.splice_write = iter_file_splice_write,
.fsync = v9fs_file_fsync_dotl,
+ .setlease = simple_nosetlease,
};
--
GitLab
From fc563aa900659a850e2ada4af26b9d7a3de6c591 Mon Sep 17 00:00:00 2001
From: Stephen Lee <slee08177@gmail.com>
Date: Mon, 25 Mar 2024 18:01:31 -0700
Subject: [PATCH 1798/2686] ASoC: ops: Fix wraparound for mask in
snd_soc_get_volsw
In snd_soc_info_volsw(), mask is generated by figuring out the index of
the most significant bit set in max and converting the index to a
bitmask through bit shift 1. Unintended wraparound occurs when max is an
integer value with msb bit set. Since the bit shift value 1 is treated
as an integer type, the left shift operation will wraparound and set
mask to 0 instead of all 1's. In order to fix this, we type cast 1 as
`1ULL` to prevent the wraparound.
Fixes: 7077148fb50a ("ASoC: core: Split ops out of soc-core.c")
Signed-off-by: Stephen Lee <slee08177@gmail.com>
Link: https://msgid.link/r/20240326010131.6211-1-slee08177@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/soc-ops.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c
index 2d25748ca7066..b27e89ff6a167 100644
--- a/sound/soc/soc-ops.c
+++ b/sound/soc/soc-ops.c
@@ -263,7 +263,7 @@ int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
int max = mc->max;
int min = mc->min;
int sign_bit = mc->sign_bit;
- unsigned int mask = (1 << fls(max)) - 1;
+ unsigned int mask = (1ULL << fls(max)) - 1;
unsigned int invert = mc->invert;
int val;
int ret;
--
GitLab
From 7f1dd39aedfccf60772328c5b88d56dbd39954c3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 27 Mar 2024 08:33:10 +0100
Subject: [PATCH 1799/2686] clk: Provide !COMMON_CLK dummy for
devm_clk_rate_exclusive_get()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
To be able to compile drivers using devm_clk_rate_exclusive_get() also
on platforms without the common clk framework, add a dummy
implementation that does the same as clk_rate_exclusive_get() in that
case (i.e. nothing).
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202403270305.ydvX9xq1-lkp@intel.com/
Fixes: b0cde62e4c54 ("clk: Add a devm variant of clk_rate_exclusive_get()")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240327073310.520950-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
---
include/linux/clk.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 00623f4de5e19..0fa56d6725321 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -286,6 +286,11 @@ static inline int clk_rate_exclusive_get(struct clk *clk)
return 0;
}
+static inline int devm_clk_rate_exclusive_get(struct device *dev, struct clk *clk)
+{
+ return 0;
+}
+
static inline void clk_rate_exclusive_put(struct clk *clk) {}
#endif
--
GitLab
From c90847bcbfb65d0f1c48fcc73a2b3a2d4ceac6a1 Mon Sep 17 00:00:00 2001
From: Samuel Holland <samuel.holland@sifive.com>
Date: Tue, 26 Mar 2024 22:45:24 -0700
Subject: [PATCH 1800/2686] cache: sifive_ccache: Partially convert to a
platform driver
Commit 8ec99b033147 ("irqchip/sifive-plic: Convert PLIC driver into a
platform driver") broke ccache initialization because the PLIC IRQ
domain is no longer available during an arch_initcall:
[ 0.087229] irq: no irq domain found for interrupt-controller@c000000 !
[ 0.087255] CCACHE: Could not request IRQ 0
Fix this by moving the IRQ handling code to a platform driver.
Fixes: 8ec99b033147 ("irqchip/sifive-plic: Convert PLIC driver into a platform driver")
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
drivers/cache/sifive_ccache.c | 72 ++++++++++++++++++++++-------------
1 file changed, 46 insertions(+), 26 deletions(-)
diff --git a/drivers/cache/sifive_ccache.c b/drivers/cache/sifive_ccache.c
index 89ed6cd6b059e..e9cc8b4786fbf 100644
--- a/drivers/cache/sifive_ccache.c
+++ b/drivers/cache/sifive_ccache.c
@@ -15,6 +15,8 @@
#include <linux/of_address.h>
#include <linux/device.h>
#include <linux/bitfield.h>
+#include <linux/platform_device.h>
+#include <linux/property.h>
#include <asm/cacheflush.h>
#include <asm/cacheinfo.h>
#include <asm/dma-noncoherent.h>
@@ -247,13 +249,49 @@ static irqreturn_t ccache_int_handler(int irq, void *device)
return IRQ_HANDLED;
}
+static int sifive_ccache_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ unsigned long quirks;
+ int intr_num, rc;
+
+ quirks = (unsigned long)device_get_match_data(dev);
+
+ intr_num = platform_irq_count(pdev);
+ if (!intr_num)
+ return dev_err_probe(dev, -ENODEV, "No interrupts property\n");
+
+ for (int i = 0; i < intr_num; i++) {
+ if (i == DATA_UNCORR && (quirks & QUIRK_BROKEN_DATA_UNCORR))
+ continue;
+
+ g_irq[i] = platform_get_irq(pdev, i);
+ if (g_irq[i] < 0)
+ return g_irq[i];
+
+ rc = devm_request_irq(dev, g_irq[i], ccache_int_handler, 0, "ccache_ecc", NULL);
+ if (rc)
+ return dev_err_probe(dev, rc, "Could not request IRQ %d\n", g_irq[i]);
+ }
+
+ return 0;
+}
+
+static struct platform_driver sifive_ccache_driver = {
+ .probe = sifive_ccache_probe,
+ .driver = {
+ .name = "sifive_ccache",
+ .of_match_table = sifive_ccache_ids,
+ },
+};
+
static int __init sifive_ccache_init(void)
{
struct device_node *np;
struct resource res;
- int i, rc, intr_num;
const struct of_device_id *match;
unsigned long quirks;
+ int rc;
np = of_find_matching_node_and_match(NULL, sifive_ccache_ids, &match);
if (!np)
@@ -277,28 +315,6 @@ static int __init sifive_ccache_init(void)
goto err_unmap;
}
- intr_num = of_property_count_u32_elems(np, "interrupts");
- if (!intr_num) {
- pr_err("No interrupts property\n");
- rc = -ENODEV;
- goto err_unmap;
- }
-
- for (i = 0; i < intr_num; i++) {
- g_irq[i] = irq_of_parse_and_map(np, i);
-
- if (i == DATA_UNCORR && (quirks & QUIRK_BROKEN_DATA_UNCORR))
- continue;
-
- rc = request_irq(g_irq[i], ccache_int_handler, 0, "ccache_ecc",
- NULL);
- if (rc) {
- pr_err("Could not request IRQ %d\n", g_irq[i]);
- goto err_free_irq;
- }
- }
- of_node_put(np);
-
#ifdef CONFIG_RISCV_NONSTANDARD_CACHE_OPS
if (quirks & QUIRK_NONSTANDARD_CACHE_OPS) {
riscv_cbom_block_size = SIFIVE_CCACHE_LINE_SIZE;
@@ -315,11 +331,15 @@ static int __init sifive_ccache_init(void)
#ifdef CONFIG_DEBUG_FS
setup_sifive_debug();
#endif
+
+ rc = platform_driver_register(&sifive_ccache_driver);
+ if (rc)
+ goto err_unmap;
+
+ of_node_put(np);
+
return 0;
-err_free_irq:
- while (--i >= 0)
- free_irq(g_irq[i], NULL);
err_unmap:
iounmap(ccache_base);
err_node_put:
--
GitLab
From 55251fbdf0146c252ceff146a1bb145546f3e034 Mon Sep 17 00:00:00 2001
From: Damien Le Moal <dlemoal@kernel.org>
Date: Thu, 28 Mar 2024 09:43:40 +0900
Subject: [PATCH 1801/2686] block: Do not force full zone append completion in
req_bio_endio()
This reverts commit 748dc0b65ec2b4b7b3dbd7befcc4a54fdcac7988.
Partial zone append completions cannot be supported as there is no
guarantees that the fragmented data will be written sequentially in the
same manner as with a full command. Commit 748dc0b65ec2 ("block: fix
partial zone append completion handling in req_bio_endio()") changed
req_bio_endio() to always advance a partially failed BIO by its full
length, but this can lead to incorrect accounting. So revert this
change and let low level device drivers handle this case by always
failing completely zone append operations. With this revert, users will
still see an IO error for a partially completed zone append BIO.
Fixes: 748dc0b65ec2 ("block: fix partial zone append completion handling in req_bio_endio()")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240328004409.594888-2-dlemoal@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/blk-mq.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 555ada922cf06..32afb87efbd0e 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -770,16 +770,11 @@ static void req_bio_endio(struct request *rq, struct bio *bio,
/*
* Partial zone append completions cannot be supported as the
* BIO fragments may end up not being written sequentially.
- * For such case, force the completed nbytes to be equal to
- * the BIO size so that bio_advance() sets the BIO remaining
- * size to 0 and we end up calling bio_endio() before returning.
*/
- if (bio->bi_iter.bi_size != nbytes) {
+ if (bio->bi_iter.bi_size != nbytes)
bio->bi_status = BLK_STS_IOERR;
- nbytes = bio->bi_iter.bi_size;
- } else {
+ else
bio->bi_iter.bi_sector = rq->__sector;
- }
}
bio_advance(bio, nbytes);
--
GitLab
From 931ec1e4cb7fd81fe01e85419238a9cfb9d930c9 Mon Sep 17 00:00:00 2001
From: William Tu <witu@nvidia.com>
Date: Mon, 25 Mar 2024 11:12:28 -0700
Subject: [PATCH 1802/2686] Documentation: Add documentation for eswitch
attribute
Provide devlink documentation for three eswitch attributes:
mode, inline-mode, and encap-mode.
Signed-off-by: William Tu <witu@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20240325181228.6244-1-witu@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../devlink/devlink-eswitch-attr.rst | 76 +++++++++++++++++++
Documentation/networking/devlink/index.rst | 1 +
Documentation/networking/representors.rst | 1 +
3 files changed, 78 insertions(+)
create mode 100644 Documentation/networking/devlink/devlink-eswitch-attr.rst
diff --git a/Documentation/networking/devlink/devlink-eswitch-attr.rst b/Documentation/networking/devlink/devlink-eswitch-attr.rst
new file mode 100644
index 0000000000000..08bb39ab15286
--- /dev/null
+++ b/Documentation/networking/devlink/devlink-eswitch-attr.rst
@@ -0,0 +1,76 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==========================
+Devlink E-Switch Attribute
+==========================
+
+Devlink E-Switch supports two modes of operation: legacy and switchdev.
+Legacy mode operates based on traditional MAC/VLAN steering rules. Switching
+decisions are made based on MAC addresses, VLANs, etc. There is limited ability
+to offload switching rules to hardware.
+
+On the other hand, switchdev mode allows for more advanced offloading
+capabilities of the E-Switch to hardware. In switchdev mode, more switching
+rules and logic can be offloaded to the hardware switch ASIC. It enables
+representor netdevices that represent the slow path of virtual functions (VFs)
+or scalable-functions (SFs) of the device. See more information about
+:ref:`Documentation/networking/switchdev.rst <switchdev>` and
+:ref:`Documentation/networking/representors.rst <representors>`.
+
+In addition, the devlink E-Switch also comes with other attributes listed
+in the following section.
+
+Attributes Description
+======================
+
+The following is a list of E-Switch attributes.
+
+.. list-table:: E-Switch attributes
+ :widths: 8 5 45
+
+ * - Name
+ - Type
+ - Description
+ * - ``mode``
+ - enum
+ - The mode of the device. The mode can be one of the following:
+
+ * ``legacy`` operates based on traditional MAC/VLAN steering
+ rules.
+ * ``switchdev`` allows for more advanced offloading capabilities of
+ the E-Switch to hardware.
+ * - ``inline-mode``
+ - enum
+ - Some HWs need the VF driver to put part of the packet
+ headers on the TX descriptor so the e-switch can do proper
+ matching and steering. Support for both switchdev mode and legacy mode.
+
+ * ``none`` none.
+ * ``link`` L2 mode.
+ * ``network`` L3 mode.
+ * ``transport`` L4 mode.
+ * - ``encap-mode``
+ - enum
+ - The encapsulation mode of the device. Support for both switchdev mode
+ and legacy mode. The mode can be one of the following:
+
+ * ``none`` Disable encapsulation support.
+ * ``basic`` Enable encapsulation support.
+
+Example Usage
+=============
+
+.. code:: shell
+
+ # enable switchdev mode
+ $ devlink dev eswitch set pci/0000:08:00.0 mode switchdev
+
+ # set inline-mode and encap-mode
+ $ devlink dev eswitch set pci/0000:08:00.0 inline-mode none encap-mode basic
+
+ # display devlink device eswitch attributes
+ $ devlink dev eswitch show pci/0000:08:00.0
+ pci/0000:08:00.0: mode switchdev inline-mode none encap-mode basic
+
+ # enable encap-mode with legacy mode
+ $ devlink dev eswitch set pci/0000:08:00.0 mode legacy inline-mode none encap-mode basic
diff --git a/Documentation/networking/devlink/index.rst b/Documentation/networking/devlink/index.rst
index e14d7a701b72b..948c8c44e233f 100644
--- a/Documentation/networking/devlink/index.rst
+++ b/Documentation/networking/devlink/index.rst
@@ -67,6 +67,7 @@ general.
devlink-selftests
devlink-trap
devlink-linecard
+ devlink-eswitch-attr
Driver-specific documentation
-----------------------------
diff --git a/Documentation/networking/representors.rst b/Documentation/networking/representors.rst
index decb39c19b9ed..5e23386f69687 100644
--- a/Documentation/networking/representors.rst
+++ b/Documentation/networking/representors.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GPL-2.0
+.. _representors:
=============================
Network Function Representors
--
GitLab
From fa84513997e9703fbac94b73bbe50aafdb29040e Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Wed, 27 Mar 2024 09:14:13 +0100
Subject: [PATCH 1803/2686] ptp: MAINTAINERS: drop Jeff Sipek
Emails to Jeff Sipek bounce:
Your message to jsipek@vmware.com couldn't be delivered.
Recipient is not authorized to accept external mail
Status code: 550 5.7.1_ETR
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240327081413.306054-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
MAINTAINERS | 1 -
1 file changed, 1 deletion(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 6a233e1a3cf2e..7b8f97bf79751 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -23661,7 +23661,6 @@ F: drivers/scsi/vmw_pvscsi.c
F: drivers/scsi/vmw_pvscsi.h
VMWARE VIRTUAL PTP CLOCK DRIVER
-M: Jeff Sipek <jsipek@vmware.com>
R: Ajay Kaher <akaher@vmware.com>
R: Alexey Makhalov <amakhalov@vmware.com>
R: VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
--
GitLab
From 037965402a010898d34f4e35327d22c0a95cd51f Mon Sep 17 00:00:00 2001
From: Jesper Dangaard Brouer <hawk@kernel.org>
Date: Wed, 27 Mar 2024 13:14:56 +0100
Subject: [PATCH 1804/2686] xen-netfront: Add missing skb_mark_for_recycle
Notice that skb_mark_for_recycle() is introduced later than fixes tag in
commit 6a5bcd84e886 ("page_pool: Allow drivers to hint on SKB recycling").
It is believed that fixes tag were missing a call to page_pool_release_page()
between v5.9 to v5.14, after which is should have used skb_mark_for_recycle().
Since v6.6 the call page_pool_release_page() were removed (in
commit 535b9c61bdef ("net: page_pool: hide page_pool_release_page()")
and remaining callers converted (in commit 6bfef2ec0172 ("Merge branch
'net-page_pool-remove-page_pool_release_page'")).
This leak became visible in v6.8 via commit dba1b8a7ab68 ("mm/page_pool: catch
page_pool memory leaks").
Cc: stable@vger.kernel.org
Fixes: 6c5aa6fc4def ("xen networking: add basic XDP support for xen-netfront")
Reported-by: Leonidas Spyropoulos <artafinde@archlinux.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218654
Reported-by: Arthur Borsboom <arthurborsboom@gmail.com>
Signed-off-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/171154167446.2671062.9127105384591237363.stgit@firesoul
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/xen-netfront.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index ad29f370034e4..8d2aee88526c6 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -285,6 +285,7 @@ static struct sk_buff *xennet_alloc_one_rx_buffer(struct netfront_queue *queue)
return NULL;
}
skb_add_rx_frag(skb, 0, page, 0, 0, PAGE_SIZE);
+ skb_mark_for_recycle(skb);
/* Align ip header to a 16 bytes boundary */
skb_reserve(skb, NET_IP_ALIGN);
--
GitLab
From e9c856cabefb71d47b2eeb197f72c9c88e9b45b0 Mon Sep 17 00:00:00 2001
From: Andrii Nakryiko <andrii@kernel.org>
Date: Wed, 27 Mar 2024 22:24:25 -0700
Subject: [PATCH 1805/2686] bpf: put uprobe link's path and task in release
callback
There is no need to delay putting either path or task to deallocation
step. It can be done right after bpf_uprobe_unregister. Between release
and dealloc, there could be still some running BPF programs, but they
don't access either task or path, only data in link->uprobes, so it is
safe to do.
On the other hand, doing path_put() in dealloc callback makes this
dealloc sleepable because path_put() itself might sleep. Which is
problematic due to the need to call uprobe's dealloc through call_rcu(),
which is what is done in the next bug fix patch. So solve the problem by
releasing these resources early.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20240328052426.3042617-1-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
kernel/trace/bpf_trace.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index 0a5c4efc73c36..0b73fe5f7206b 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -3157,6 +3157,9 @@ static void bpf_uprobe_multi_link_release(struct bpf_link *link)
umulti_link = container_of(link, struct bpf_uprobe_multi_link, link);
bpf_uprobe_unregister(&umulti_link->path, umulti_link->uprobes, umulti_link->cnt);
+ if (umulti_link->task)
+ put_task_struct(umulti_link->task);
+ path_put(&umulti_link->path);
}
static void bpf_uprobe_multi_link_dealloc(struct bpf_link *link)
@@ -3164,9 +3167,6 @@ static void bpf_uprobe_multi_link_dealloc(struct bpf_link *link)
struct bpf_uprobe_multi_link *umulti_link;
umulti_link = container_of(link, struct bpf_uprobe_multi_link, link);
- if (umulti_link->task)
- put_task_struct(umulti_link->task);
- path_put(&umulti_link->path);
kvfree(umulti_link->uprobes);
kfree(umulti_link);
}
--
GitLab
From 1a80dbcb2dbaf6e4c216e62e30fa7d3daa8001ce Mon Sep 17 00:00:00 2001
From: Andrii Nakryiko <andrii@kernel.org>
Date: Wed, 27 Mar 2024 22:24:26 -0700
Subject: [PATCH 1806/2686] bpf: support deferring bpf_link dealloc to after
RCU grace period
BPF link for some program types is passed as a "context" which can be
used by those BPF programs to look up additional information. E.g., for
multi-kprobes and multi-uprobes, link is used to fetch BPF cookie values.
Because of this runtime dependency, when bpf_link refcnt drops to zero
there could still be active BPF programs running accessing link data.
This patch adds generic support to defer bpf_link dealloc callback to
after RCU GP, if requested. This is done by exposing two different
deallocation callbacks, one synchronous and one deferred. If deferred
one is provided, bpf_link_free() will schedule dealloc_deferred()
callback to happen after RCU GP.
BPF is using two flavors of RCU: "classic" non-sleepable one and RCU
tasks trace one. The latter is used when sleepable BPF programs are
used. bpf_link_free() accommodates that by checking underlying BPF
program's sleepable flag, and goes either through normal RCU GP only for
non-sleepable, or through RCU tasks trace GP *and* then normal RCU GP
(taking into account rcu_trace_implies_rcu_gp() optimization), if BPF
program is sleepable.
We use this for multi-kprobe and multi-uprobe links, which dereference
link during program run. We also preventively switch raw_tp link to use
deferred dealloc callback, as upcoming changes in bpf-next tree expose
raw_tp link data (specifically, cookie value) to BPF program at runtime
as well.
Fixes: 0dcac2725406 ("bpf: Add multi kprobe link")
Fixes: 89ae89f53d20 ("bpf: Add multi uprobe link")
Reported-by: syzbot+981935d9485a560bfbcb@syzkaller.appspotmail.com
Reported-by: syzbot+2cb5a6c573e98db598cc@syzkaller.appspotmail.com
Reported-by: syzbot+62d8b26793e8a2bd0516@syzkaller.appspotmail.com
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20240328052426.3042617-2-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
include/linux/bpf.h | 16 +++++++++++++++-
kernel/bpf/syscall.c | 35 ++++++++++++++++++++++++++++++++---
kernel/trace/bpf_trace.c | 4 ++--
3 files changed, 49 insertions(+), 6 deletions(-)
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 4f20f62f9d63d..890e152d553ea 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -1574,12 +1574,26 @@ struct bpf_link {
enum bpf_link_type type;
const struct bpf_link_ops *ops;
struct bpf_prog *prog;
- struct work_struct work;
+ /* rcu is used before freeing, work can be used to schedule that
+ * RCU-based freeing before that, so they never overlap
+ */
+ union {
+ struct rcu_head rcu;
+ struct work_struct work;
+ };
};
struct bpf_link_ops {
void (*release)(struct bpf_link *link);
+ /* deallocate link resources callback, called without RCU grace period
+ * waiting
+ */
void (*dealloc)(struct bpf_link *link);
+ /* deallocate link resources callback, called after RCU grace period;
+ * if underlying BPF program is sleepable we go through tasks trace
+ * RCU GP and then "classic" RCU GP
+ */
+ void (*dealloc_deferred)(struct bpf_link *link);
int (*detach)(struct bpf_link *link);
int (*update_prog)(struct bpf_link *link, struct bpf_prog *new_prog,
struct bpf_prog *old_prog);
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index ae2ff73bde7e7..c287925471f68 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -3024,17 +3024,46 @@ void bpf_link_inc(struct bpf_link *link)
atomic64_inc(&link->refcnt);
}
+static void bpf_link_defer_dealloc_rcu_gp(struct rcu_head *rcu)
+{
+ struct bpf_link *link = container_of(rcu, struct bpf_link, rcu);
+
+ /* free bpf_link and its containing memory */
+ link->ops->dealloc_deferred(link);
+}
+
+static void bpf_link_defer_dealloc_mult_rcu_gp(struct rcu_head *rcu)
+{
+ if (rcu_trace_implies_rcu_gp())
+ bpf_link_defer_dealloc_rcu_gp(rcu);
+ else
+ call_rcu(rcu, bpf_link_defer_dealloc_rcu_gp);
+}
+
/* bpf_link_free is guaranteed to be called from process context */
static void bpf_link_free(struct bpf_link *link)
{
+ bool sleepable = false;
+
bpf_link_free_id(link->id);
if (link->prog) {
+ sleepable = link->prog->sleepable;
/* detach BPF program, clean up used resources */
link->ops->release(link);
bpf_prog_put(link->prog);
}
- /* free bpf_link and its containing memory */
- link->ops->dealloc(link);
+ if (link->ops->dealloc_deferred) {
+ /* schedule BPF link deallocation; if underlying BPF program
+ * is sleepable, we need to first wait for RCU tasks trace
+ * sync, then go through "classic" RCU grace period
+ */
+ if (sleepable)
+ call_rcu_tasks_trace(&link->rcu, bpf_link_defer_dealloc_mult_rcu_gp);
+ else
+ call_rcu(&link->rcu, bpf_link_defer_dealloc_rcu_gp);
+ }
+ if (link->ops->dealloc)
+ link->ops->dealloc(link);
}
static void bpf_link_put_deferred(struct work_struct *work)
@@ -3544,7 +3573,7 @@ static int bpf_raw_tp_link_fill_link_info(const struct bpf_link *link,
static const struct bpf_link_ops bpf_raw_tp_link_lops = {
.release = bpf_raw_tp_link_release,
- .dealloc = bpf_raw_tp_link_dealloc,
+ .dealloc_deferred = bpf_raw_tp_link_dealloc,
.show_fdinfo = bpf_raw_tp_link_show_fdinfo,
.fill_link_info = bpf_raw_tp_link_fill_link_info,
};
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index 0b73fe5f7206b..9dc605f08a231 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -2728,7 +2728,7 @@ static int bpf_kprobe_multi_link_fill_link_info(const struct bpf_link *link,
static const struct bpf_link_ops bpf_kprobe_multi_link_lops = {
.release = bpf_kprobe_multi_link_release,
- .dealloc = bpf_kprobe_multi_link_dealloc,
+ .dealloc_deferred = bpf_kprobe_multi_link_dealloc,
.fill_link_info = bpf_kprobe_multi_link_fill_link_info,
};
@@ -3242,7 +3242,7 @@ static int bpf_uprobe_multi_link_fill_link_info(const struct bpf_link *link,
static const struct bpf_link_ops bpf_uprobe_multi_link_lops = {
.release = bpf_uprobe_multi_link_release,
- .dealloc = bpf_uprobe_multi_link_dealloc,
+ .dealloc_deferred = bpf_uprobe_multi_link_dealloc,
.fill_link_info = bpf_uprobe_multi_link_fill_link_info,
};
--
GitLab
From 62248b22d01e96a4d669cde0d7005bd51ebf9e76 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Thu, 28 Mar 2024 11:59:13 +0100
Subject: [PATCH 1807/2686] tools/resolve_btfids: fix build with musl libc
Include the header that defines u32.
This fixes build of 6.6.23 and 6.1.83 kernels for Alpine Linux, which
uses musl libc. I assume that GNU libc indirecly pulls in linux/types.h.
Fixes: 9707ac4fe2f5 ("tools/resolve_btfids: Refactor set sorting with types from btf_ids.h")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218647
Cc: stable@vger.kernel.org
Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
Tested-by: Greg Thelen <gthelen@google.com>
Link: https://lore.kernel.org/r/20240328110103.28734-1-ncopa@alpinelinux.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
tools/include/linux/btf_ids.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/include/linux/btf_ids.h b/tools/include/linux/btf_ids.h
index 72535f00572f6..72ea363d434db 100644
--- a/tools/include/linux/btf_ids.h
+++ b/tools/include/linux/btf_ids.h
@@ -3,6 +3,8 @@
#ifndef _LINUX_BTF_IDS_H
#define _LINUX_BTF_IDS_H
+#include <linux/types.h> /* for u32 */
+
struct btf_id_set {
u32 cnt;
u32 ids[];
--
GitLab
From 8cb10cba124c4798b6cb333245ecdc8dde78aeae Mon Sep 17 00:00:00 2001
From: Tim Harvey <tharvey@gateworks.com>
Date: Wed, 28 Feb 2024 12:02:15 -0800
Subject: [PATCH 1808/2686] arm64: dts: freescale: imx8mp-venice-gw72xx-2x: fix
USB vbus regulator
When using usb-conn-gpio to control USB role and VBUS, the vbus-supply
property must be present in the usb-conn-gpio node. Additionally it
should not be present in the phy node as that isn't what controls vbus
and will upset the use count.
This resolves an issue where VBUS is enabled with OTG in peripheral
mode.
Fixes: ad9a12f7a522 ("arm64: dts: imx8mp-venice: Fix USB connector description")
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
arch/arm64/boot/dts/freescale/imx8mp-venice-gw72xx.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw72xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw72xx.dtsi
index 41c79d2ebdd62..f24b14744799e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw72xx.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw72xx.dtsi
@@ -14,6 +14,7 @@ connector {
pinctrl-0 = <&pinctrl_usbcon1>;
type = "micro";
label = "otg";
+ vbus-supply = <®_usb1_vbus>;
id-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
port {
@@ -183,7 +184,6 @@ &usb3_0 {
};
&usb3_phy0 {
- vbus-supply = <®_usb1_vbus>;
status = "okay";
};
--
GitLab
From 6f8e0aca838e163e81fde176e945161d50679339 Mon Sep 17 00:00:00 2001
From: Tim Harvey <tharvey@gateworks.com>
Date: Wed, 28 Feb 2024 12:02:16 -0800
Subject: [PATCH 1809/2686] arm64: dts: freescale: imx8mp-venice-gw73xx-2x: fix
USB vbus regulator
When using usb-conn-gpio to control USB role and VBUS, the vbus-supply
property must be present in the usb-conn-gpio node. Additionally it
should not be present in the phy node as that isn't what controls vbus
and will upset the use count.
This resolves an issue where VBUS is enabled with OTG in peripheral
mode.
Fixes: ad9a12f7a522 ("arm64: dts: imx8mp-venice: Fix USB connector description")
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi
index d5c400b355af5..f5491a608b2f3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi
@@ -14,6 +14,7 @@ connector {
pinctrl-0 = <&pinctrl_usbcon1>;
type = "micro";
label = "otg";
+ vbus-supply = <®_usb1_vbus>;
id-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
port {
@@ -202,7 +203,6 @@ &usb3_0 {
};
&usb3_phy0 {
- vbus-supply = <®_usb1_vbus>;
status = "okay";
};
--
GitLab
From 831ec5e3538e989c7995137b5c5c661991a09504 Mon Sep 17 00:00:00 2001
From: Gergo Koteles <soyer@irl.hu>
Date: Thu, 28 Mar 2024 23:47:37 +0100
Subject: [PATCH 1810/2686] ASoC: tas2781: mark dvc_tlv with __maybe_unused
Since we put dvc_tlv static variable to a header file it's copied to
each module that includes the header. But not all of them are actually
used it.
Fix this W=1 build warning:
include/sound/tas2781-tlv.h:18:35: warning: 'dvc_tlv' defined but not
used [-Wunused-const-variable=]
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202403290354.v0StnRpc-lkp@intel.com/
Fixes: ae065d0ce9e3 ("ALSA: hda/tas2781: remove digital gain kcontrol")
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Message-ID: <0e461545a2a6e9b6152985143e50526322e5f76b.1711665731.git.soyer@irl.hu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
include/sound/tas2781-tlv.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/sound/tas2781-tlv.h b/include/sound/tas2781-tlv.h
index 4038dd421150a..1dc59005d241f 100644
--- a/include/sound/tas2781-tlv.h
+++ b/include/sound/tas2781-tlv.h
@@ -15,7 +15,7 @@
#ifndef __TAS2781_TLV_H__
#define __TAS2781_TLV_H__
-static const DECLARE_TLV_DB_SCALE(dvc_tlv, -10000, 100, 0);
+static const __maybe_unused DECLARE_TLV_DB_SCALE(dvc_tlv, -10000, 100, 0);
static const DECLARE_TLV_DB_SCALE(amp_vol_tlv, 1100, 50, 0);
#endif
--
GitLab
From 10e52ad5ced2a7dcdb3fb18c9cef111d5f30471d Mon Sep 17 00:00:00 2001
From: Lukasz Majewski <lukma@denx.de>
Date: Tue, 26 Mar 2024 09:56:49 +0100
Subject: [PATCH 1811/2686] net: hsr: Use full string description when opening
HSR network device
Up till now only single character ('A' or 'B') was used to provide
information of HSR slave network device status.
As it is also possible and valid, that Interlink network device may
be supported as well, the description must be more verbose. As a result
the full string description is now used.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/hsr/hsr_device.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index c98b5b71ad7c3..e9d45133d6412 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -132,30 +132,29 @@ static int hsr_dev_open(struct net_device *dev)
{
struct hsr_priv *hsr;
struct hsr_port *port;
- char designation;
+ const char *designation = NULL;
hsr = netdev_priv(dev);
- designation = '\0';
hsr_for_each_port(hsr, port) {
if (port->type == HSR_PT_MASTER)
continue;
switch (port->type) {
case HSR_PT_SLAVE_A:
- designation = 'A';
+ designation = "Slave A";
break;
case HSR_PT_SLAVE_B:
- designation = 'B';
+ designation = "Slave B";
break;
default:
- designation = '?';
+ designation = "Unknown";
}
if (!is_slave_up(port->dev))
- netdev_warn(dev, "Slave %c (%s) is not up; please bring it up to get a fully working HSR network\n",
+ netdev_warn(dev, "%s (%s) is not up; please bring it up to get a fully working HSR network\n",
designation, port->dev->name);
}
- if (designation == '\0')
+ if (!designation)
netdev_warn(dev, "No slave devices configured\n");
return 0;
--
GitLab
From 3d010c8031e39f5fa1e8b13ada77e0321091011f Mon Sep 17 00:00:00 2001
From: Antoine Tenart <atenart@kernel.org>
Date: Tue, 26 Mar 2024 12:33:58 +0100
Subject: [PATCH 1812/2686] udp: do not accept non-tunnel GSO skbs landing in a
tunnel
When rx-udp-gro-forwarding is enabled UDP packets might be GROed when
being forwarded. If such packets might land in a tunnel this can cause
various issues and udp_gro_receive makes sure this isn't the case by
looking for a matching socket. This is performed in
udp4/6_gro_lookup_skb but only in the current netns. This is an issue
with tunneled packets when the endpoint is in another netns. In such
cases the packets will be GROed at the UDP level, which leads to various
issues later on. The same thing can happen with rx-gro-list.
We saw this with geneve packets being GROed at the UDP level. In such
case gso_size is set; later the packet goes through the geneve rx path,
the geneve header is pulled, the offset are adjusted and frag_list skbs
are not adjusted with regard to geneve. When those skbs hit
skb_fragment, it will misbehave. Different outcomes are possible
depending on what the GROed skbs look like; from corrupted packets to
kernel crashes.
One example is a BUG_ON[1] triggered in skb_segment while processing the
frag_list. Because gso_size is wrong (geneve header was pulled)
skb_segment thinks there is "geneve header size" of data in frag_list,
although it's in fact the next packet. The BUG_ON itself has nothing to
do with the issue. This is only one of the potential issues.
Looking up for a matching socket in udp_gro_receive is fragile: the
lookup could be extended to all netns (not speaking about performances)
but nothing prevents those packets from being modified in between and we
could still not find a matching socket. It's OK to keep the current
logic there as it should cover most cases but we also need to make sure
we handle tunnel packets being GROed too early.
This is done by extending the checks in udp_unexpected_gso: GSO packets
lacking the SKB_GSO_UDP_TUNNEL/_CSUM bits and landing in a tunnel must
be segmented.
[1] kernel BUG at net/core/skbuff.c:4408!
RIP: 0010:skb_segment+0xd2a/0xf70
__udp_gso_segment+0xaa/0x560
Fixes: 9fd1ff5d2ac7 ("udp: Support UDP fraglist GRO/GSO.")
Fixes: 36707061d6ba ("udp: allow forwarding of plain (non-fraglisted) UDP GRO packets")
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/linux/udp.h | 28 ++++++++++++++++++++++++++++
net/ipv4/udp.c | 7 +++++++
net/ipv4/udp_offload.c | 6 ++++--
net/ipv6/udp.c | 2 +-
4 files changed, 40 insertions(+), 3 deletions(-)
diff --git a/include/linux/udp.h b/include/linux/udp.h
index 3748e82b627b7..17539d0896661 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -150,6 +150,24 @@ static inline void udp_cmsg_recv(struct msghdr *msg, struct sock *sk,
}
}
+DECLARE_STATIC_KEY_FALSE(udp_encap_needed_key);
+#if IS_ENABLED(CONFIG_IPV6)
+DECLARE_STATIC_KEY_FALSE(udpv6_encap_needed_key);
+#endif
+
+static inline bool udp_encap_needed(void)
+{
+ if (static_branch_unlikely(&udp_encap_needed_key))
+ return true;
+
+#if IS_ENABLED(CONFIG_IPV6)
+ if (static_branch_unlikely(&udpv6_encap_needed_key))
+ return true;
+#endif
+
+ return false;
+}
+
static inline bool udp_unexpected_gso(struct sock *sk, struct sk_buff *skb)
{
if (!skb_is_gso(skb))
@@ -163,6 +181,16 @@ static inline bool udp_unexpected_gso(struct sock *sk, struct sk_buff *skb)
!udp_test_bit(ACCEPT_FRAGLIST, sk))
return true;
+ /* GSO packets lacking the SKB_GSO_UDP_TUNNEL/_CSUM bits might still
+ * land in a tunnel as the socket check in udp_gro_receive cannot be
+ * foolproof.
+ */
+ if (udp_encap_needed() &&
+ READ_ONCE(udp_sk(sk)->encap_rcv) &&
+ !(skb_shinfo(skb)->gso_type &
+ (SKB_GSO_UDP_TUNNEL | SKB_GSO_UDP_TUNNEL_CSUM)))
+ return true;
+
return false;
}
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 661d0e0d273f6..c02bf011d4a6f 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -582,6 +582,13 @@ static inline bool __udp_is_mcast_sock(struct net *net, const struct sock *sk,
}
DEFINE_STATIC_KEY_FALSE(udp_encap_needed_key);
+EXPORT_SYMBOL(udp_encap_needed_key);
+
+#if IS_ENABLED(CONFIG_IPV6)
+DEFINE_STATIC_KEY_FALSE(udpv6_encap_needed_key);
+EXPORT_SYMBOL(udpv6_encap_needed_key);
+#endif
+
void udp_encap_enable(void)
{
static_branch_inc(&udp_encap_needed_key);
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index b9880743765c6..e9719afe91cf5 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -551,8 +551,10 @@ struct sk_buff *udp_gro_receive(struct list_head *head, struct sk_buff *skb,
unsigned int off = skb_gro_offset(skb);
int flush = 1;
- /* we can do L4 aggregation only if the packet can't land in a tunnel
- * otherwise we could corrupt the inner stream
+ /* We can do L4 aggregation only if the packet can't land in a tunnel
+ * otherwise we could corrupt the inner stream. Detecting such packets
+ * cannot be foolproof and the aggregation might still happen in some
+ * cases. Such packets should be caught in udp_unexpected_gso later.
*/
NAPI_GRO_CB(skb)->is_flist = 0;
if (!sk || !udp_sk(sk)->gro_receive) {
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 7c1e6469d091d..8b1dd7f512491 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -447,7 +447,7 @@ int udpv6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
goto try_again;
}
-DEFINE_STATIC_KEY_FALSE(udpv6_encap_needed_key);
+DECLARE_STATIC_KEY_FALSE(udpv6_encap_needed_key);
void udpv6_encap_enable(void)
{
static_branch_inc(&udpv6_encap_needed_key);
--
GitLab
From ed4cccef64c1d0d5b91e69f7a8a6697c3a865486 Mon Sep 17 00:00:00 2001
From: Antoine Tenart <atenart@kernel.org>
Date: Tue, 26 Mar 2024 12:33:59 +0100
Subject: [PATCH 1813/2686] gro: fix ownership transfer
If packets are GROed with fraglist they might be segmented later on and
continue their journey in the stack. In skb_segment_list those skbs can
be reused as-is. This is an issue as their destructor was removed in
skb_gro_receive_list but not the reference to their socket, and then
they can't be orphaned. Fix this by also removing the reference to the
socket.
For example this could be observed,
kernel BUG at include/linux/skbuff.h:3131! (skb_orphan)
RIP: 0010:ip6_rcv_core+0x11bc/0x19a0
Call Trace:
ipv6_list_rcv+0x250/0x3f0
__netif_receive_skb_list_core+0x49d/0x8f0
netif_receive_skb_list_internal+0x634/0xd40
napi_complete_done+0x1d2/0x7d0
gro_cell_poll+0x118/0x1f0
A similar construction is found in skb_gro_receive, apply the same
change there.
Fixes: 5e10da5385d2 ("skbuff: allow 'slow_gro' for skb carring sock reference")
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/core/gro.c | 3 ++-
net/ipv4/udp_offload.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/net/core/gro.c b/net/core/gro.c
index ee30d4f0c0387..83f35d99a682c 100644
--- a/net/core/gro.c
+++ b/net/core/gro.c
@@ -192,8 +192,9 @@ int skb_gro_receive(struct sk_buff *p, struct sk_buff *skb)
}
merge:
- /* sk owenrship - if any - completely transferred to the aggregated packet */
+ /* sk ownership - if any - completely transferred to the aggregated packet */
skb->destructor = NULL;
+ skb->sk = NULL;
delta_truesize = skb->truesize;
if (offset > headlen) {
unsigned int eat = offset - headlen;
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index e9719afe91cf5..3bb69464930bf 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -449,8 +449,9 @@ static int skb_gro_receive_list(struct sk_buff *p, struct sk_buff *skb)
NAPI_GRO_CB(p)->count++;
p->data_len += skb->len;
- /* sk owenrship - if any - completely transferred to the aggregated packet */
+ /* sk ownership - if any - completely transferred to the aggregated packet */
skb->destructor = NULL;
+ skb->sk = NULL;
p->truesize += skb->truesize;
p->len += skb->len;
--
GitLab
From f0b8c30345565344df2e33a8417a27503589247d Mon Sep 17 00:00:00 2001
From: Antoine Tenart <atenart@kernel.org>
Date: Tue, 26 Mar 2024 12:34:00 +0100
Subject: [PATCH 1814/2686] udp: do not transition UDP GRO fraglist partial
checksums to unnecessary
UDP GRO validates checksums and in udp4/6_gro_complete fraglist packets
are converted to CHECKSUM_UNNECESSARY to avoid later checks. However
this is an issue for CHECKSUM_PARTIAL packets as they can be looped in
an egress path and then their partial checksums are not fixed.
Different issues can be observed, from invalid checksum on packets to
traces like:
gen01: hw csum failure
skb len=3008 headroom=160 headlen=1376 tailroom=0
mac=(106,14) net=(120,40) trans=160
shinfo(txflags=0 nr_frags=0 gso(size=0 type=0 segs=0))
csum(0xffff232e ip_summed=2 complete_sw=0 valid=0 level=0)
hash(0x77e3d716 sw=1 l4=1) proto=0x86dd pkttype=0 iif=12
...
Fix this by only converting CHECKSUM_NONE packets to
CHECKSUM_UNNECESSARY by reusing __skb_incr_checksum_unnecessary. All
other checksum types are kept as-is, including CHECKSUM_COMPLETE as
fraglist packets being segmented back would have their skb->csum valid.
Fixes: 9fd1ff5d2ac7 ("udp: Support UDP fraglist GRO/GSO.")
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv4/udp_offload.c | 8 +-------
net/ipv6/udp_offload.c | 8 +-------
2 files changed, 2 insertions(+), 14 deletions(-)
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index 3bb69464930bf..548476d782371 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -722,13 +722,7 @@ INDIRECT_CALLABLE_SCOPE int udp4_gro_complete(struct sk_buff *skb, int nhoff)
skb_shinfo(skb)->gso_type |= (SKB_GSO_FRAGLIST|SKB_GSO_UDP_L4);
skb_shinfo(skb)->gso_segs = NAPI_GRO_CB(skb)->count;
- if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
- if (skb->csum_level < SKB_MAX_CSUM_LEVEL)
- skb->csum_level++;
- } else {
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- skb->csum_level = 0;
- }
+ __skb_incr_checksum_unnecessary(skb);
return 0;
}
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index 312bcaeea96fb..bbd347de00b45 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -174,13 +174,7 @@ INDIRECT_CALLABLE_SCOPE int udp6_gro_complete(struct sk_buff *skb, int nhoff)
skb_shinfo(skb)->gso_type |= (SKB_GSO_FRAGLIST|SKB_GSO_UDP_L4);
skb_shinfo(skb)->gso_segs = NAPI_GRO_CB(skb)->count;
- if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
- if (skb->csum_level < SKB_MAX_CSUM_LEVEL)
- skb->csum_level++;
- } else {
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- skb->csum_level = 0;
- }
+ __skb_incr_checksum_unnecessary(skb);
return 0;
}
--
GitLab
From 64235eabc4b5b18c507c08a1f16cdac6c5661220 Mon Sep 17 00:00:00 2001
From: Antoine Tenart <atenart@kernel.org>
Date: Tue, 26 Mar 2024 12:34:01 +0100
Subject: [PATCH 1815/2686] udp: prevent local UDP tunnel packets from being
GROed
GRO has a fundamental issue with UDP tunnel packets as it can't detect
those in a foolproof way and GRO could happen before they reach the
tunnel endpoint. Previous commits have fixed issues when UDP tunnel
packets come from a remote host, but if those packets are issued locally
they could run into checksum issues.
If the inner packet has a partial checksum the information will be lost
in the GRO logic, either in udp4/6_gro_complete or in
udp_gro_complete_segment and packets will have an invalid checksum when
leaving the host.
Prevent local UDP tunnel packets from ever being GROed at the outer UDP
level.
Due to skb->encapsulation being wrongly used in some drivers this is
actually only preventing UDP tunnel packets with a partial checksum to
be GROed (see iptunnel_handle_offloads) but those were also the packets
triggering issues so in practice this should be sufficient.
Fixes: 9fd1ff5d2ac7 ("udp: Support UDP fraglist GRO/GSO.")
Fixes: 36707061d6ba ("udp: allow forwarding of plain (non-fraglisted) UDP GRO packets")
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv4/udp_offload.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index 548476d782371..3498dd1d0694d 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -559,6 +559,12 @@ struct sk_buff *udp_gro_receive(struct list_head *head, struct sk_buff *skb,
*/
NAPI_GRO_CB(skb)->is_flist = 0;
if (!sk || !udp_sk(sk)->gro_receive) {
+ /* If the packet was locally encapsulated in a UDP tunnel that
+ * wasn't detected above, do not GRO.
+ */
+ if (skb->encapsulation)
+ goto out;
+
if (skb->dev->features & NETIF_F_GRO_FRAGLIST)
NAPI_GRO_CB(skb)->is_flist = sk ? !udp_test_bit(GRO_ENABLED, sk) : 1;
--
GitLab
From 0fb101be97ca27850c5ecdbd1269423ce4d1f607 Mon Sep 17 00:00:00 2001
From: Antoine Tenart <atenart@kernel.org>
Date: Tue, 26 Mar 2024 12:34:02 +0100
Subject: [PATCH 1816/2686] selftests: net: gro fwd: update vxlan GRO test
expectations
UDP tunnel packets can't be GRO in-between their endpoints as this
causes different issues. The UDP GRO fwd vxlan tests were relying on
this and their expectations have to be fixed.
We keep both vxlan tests and expected no GRO from happening. The vxlan
UDP GRO bench test was removed as it's not providing any valuable
information now.
Fixes: a062260a9d5f ("selftests: net: add UDP GRO forwarding self-tests")
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
tools/testing/selftests/net/udpgro_fwd.sh | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/tools/testing/selftests/net/udpgro_fwd.sh b/tools/testing/selftests/net/udpgro_fwd.sh
index 380cb15e942e4..83ed987cff340 100755
--- a/tools/testing/selftests/net/udpgro_fwd.sh
+++ b/tools/testing/selftests/net/udpgro_fwd.sh
@@ -244,7 +244,7 @@ for family in 4 6; do
create_vxlan_pair
ip netns exec $NS_DST ethtool -K veth$DST generic-receive-offload on
ip netns exec $NS_DST ethtool -K veth$DST rx-gro-list on
- run_test "GRO frag list over UDP tunnel" $OL_NET$DST 1 1
+ run_test "GRO frag list over UDP tunnel" $OL_NET$DST 10 10
cleanup
# use NAT to circumvent GRO FWD check
@@ -258,13 +258,7 @@ for family in 4 6; do
# load arp cache before running the test to reduce the amount of
# stray traffic on top of the UDP tunnel
ip netns exec $NS_SRC $PING -q -c 1 $OL_NET$DST_NAT >/dev/null
- run_test "GRO fwd over UDP tunnel" $OL_NET$DST_NAT 1 1 $OL_NET$DST
- cleanup
-
- create_vxlan_pair
- run_bench "UDP tunnel fwd perf" $OL_NET$DST
- ip netns exec $NS_DST ethtool -K veth$DST rx-udp-gro-forwarding on
- run_bench "UDP tunnel GRO fwd perf" $OL_NET$DST
+ run_test "GRO fwd over UDP tunnel" $OL_NET$DST_NAT 10 10 $OL_NET$DST
cleanup
done
--
GitLab
From 0ba80d96585662299d4ea4624043759ce9015421 Mon Sep 17 00:00:00 2001
From: Hariprasad Kelam <hkelam@marvell.com>
Date: Tue, 26 Mar 2024 17:51:49 +0530
Subject: [PATCH 1817/2686] octeontx2-af: Fix issue with loading coalesced KPU
profiles
The current implementation for loading coalesced KPU profiles has
a limitation. The "offset" field, which is used to locate profiles
within the profile is restricted to a u16.
This restricts the number of profiles that can be loaded. This patch
addresses this limitation by increasing the size of the "offset" field.
Fixes: 11c730bfbf5b ("octeontx2-af: support for coalescing KPU profiles")
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
index e350242bbafba..be709f83f3318 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
@@ -1657,7 +1657,7 @@ static int npc_fwdb_detect_load_prfl_img(struct rvu *rvu, uint64_t prfl_sz,
struct npc_coalesced_kpu_prfl *img_data = NULL;
int i = 0, rc = -EINVAL;
void __iomem *kpu_prfl_addr;
- u16 offset;
+ u32 offset;
img_data = (struct npc_coalesced_kpu_prfl __force *)rvu->kpu_prfl_addr;
if (le64_to_cpu(img_data->signature) == KPU_SIGN &&
--
GitLab
From 73dfe970c038d0548beccc5bfb2707e1d543b01f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Fri, 29 Mar 2024 11:35:40 +0100
Subject: [PATCH 1818/2686] pwm: Fix setting period with #pwm-cells = <1> and
of_pwm_single_xlate()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
For drivers making use of of_pwm_single_xlate() (i.e. those that don't
pass a hwpwm index) and also don't pass flags, setting period was
wrongly skipped. This affects the pwm-pxa and ti-sn65dsi86 drivers.
Reported-by: Karel Balej <balejk@matfyz.cz>
Link: https://lore.kernel.org/r/D05IVTPYH35N.2CLDG6LSILRSN@matfyz.cz
Fixes: 40ade0c2e794 ("pwm: Let the of_xlate callbacks accept references without period")
Tested-by: Karel Balej <balejk@matfyz.cz>
Link: https://lore.kernel.org/r/20240329103544.545290-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
drivers/pwm/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index d70f793ce4b38..403525cc17833 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -443,7 +443,7 @@ of_pwm_single_xlate(struct pwm_chip *chip, const struct of_phandle_args *args)
if (IS_ERR(pwm))
return pwm;
- if (args->args_count > 1)
+ if (args->args_count > 0)
pwm->args.period = args->args[0];
pwm->args.polarity = PWM_POLARITY_NORMAL;
--
GitLab
From 309d8ced2d4865fffb839c13f604fc13f4ef4b31 Mon Sep 17 00:00:00 2001
From: Kuan-Wei Chiu <visitorckw@gmail.com>
Date: Wed, 20 Mar 2024 02:18:42 +0800
Subject: [PATCH 1819/2686] MAINTAINERS: Remove incorrect M: tag for
dm-devel@lists.linux.dev
The dm-devel@lists.linux.dev mailing list should only be listed under
the L: (List) tag in the MAINTAINERS file. However, it was incorrectly
listed under both L: and M: (Maintainers) tags, which is not accurate.
Remove the M: tag for dm-devel@lists.linux.dev in the MAINTAINERS file
to reflect the correct categorization.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
---
MAINTAINERS | 2 --
1 file changed, 2 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index aa3b947fb0801..71526f619a935 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6157,7 +6157,6 @@ DEVICE-MAPPER (LVM)
M: Alasdair Kergon <agk@redhat.com>
M: Mike Snitzer <snitzer@kernel.org>
M: Mikulas Patocka <mpatocka@redhat.com>
-M: dm-devel@lists.linux.dev
L: dm-devel@lists.linux.dev
S: Maintained
Q: http://patchwork.kernel.org/project/dm-devel/list/
@@ -6173,7 +6172,6 @@ F: include/uapi/linux/dm-*.h
DEVICE-MAPPER VDO TARGET
M: Matthew Sakai <msakai@redhat.com>
-M: dm-devel@lists.linux.dev
L: dm-devel@lists.linux.dev
S: Maintained
F: Documentation/admin-guide/device-mapper/vdo*.rst
--
GitLab
From d7e1201443713f5addce2d9b4920d25391883a80 Mon Sep 17 00:00:00 2001
From: Ken Raeburn <raeburn@redhat.com>
Date: Mon, 25 Mar 2024 15:22:45 -0400
Subject: [PATCH 1820/2686] dm vdo murmurhash3: use kernel byteswapping
routines instead of GCC ones
Also open-code the calls.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Ken Raeburn <raeburn@redhat.com>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
---
drivers/md/dm-vdo/murmurhash3.c | 33 ++++++++-------------------------
1 file changed, 8 insertions(+), 25 deletions(-)
diff --git a/drivers/md/dm-vdo/murmurhash3.c b/drivers/md/dm-vdo/murmurhash3.c
index 00c9b9c050011..01d2743444ec6 100644
--- a/drivers/md/dm-vdo/murmurhash3.c
+++ b/drivers/md/dm-vdo/murmurhash3.c
@@ -8,33 +8,14 @@
#include "murmurhash3.h"
+#include <asm/unaligned.h>
+
static inline u64 rotl64(u64 x, s8 r)
{
return (x << r) | (x >> (64 - r));
}
#define ROTL64(x, y) rotl64(x, y)
-static __always_inline u64 getblock64(const u64 *p, int i)
-{
-#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
- return p[i];
-#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
- return __builtin_bswap64(p[i]);
-#else
-#error "can't figure out byte order"
-#endif
-}
-
-static __always_inline void putblock64(u64 *p, int i, u64 value)
-{
-#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
- p[i] = value;
-#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
- p[i] = __builtin_bswap64(value);
-#else
-#error "can't figure out byte order"
-#endif
-}
/* Finalization mix - force all bits of a hash block to avalanche */
@@ -60,6 +41,8 @@ void murmurhash3_128(const void *key, const int len, const u32 seed, void *out)
const u64 c1 = 0x87c37b91114253d5LLU;
const u64 c2 = 0x4cf5ad432745937fLLU;
+ u64 *hash_out = out;
+
/* body */
const u64 *blocks = (const u64 *)(data);
@@ -67,8 +50,8 @@ void murmurhash3_128(const void *key, const int len, const u32 seed, void *out)
int i;
for (i = 0; i < nblocks; i++) {
- u64 k1 = getblock64(blocks, i * 2 + 0);
- u64 k2 = getblock64(blocks, i * 2 + 1);
+ u64 k1 = get_unaligned_le64(&blocks[i * 2]);
+ u64 k2 = get_unaligned_le64(&blocks[i * 2 + 1]);
k1 *= c1;
k1 = ROTL64(k1, 31);
@@ -170,6 +153,6 @@ void murmurhash3_128(const void *key, const int len, const u32 seed, void *out)
h1 += h2;
h2 += h1;
- putblock64((u64 *)out, 0, h1);
- putblock64((u64 *)out, 1, h2);
+ put_unaligned_le64(h1, &hash_out[0]);
+ put_unaligned_le64(h2, &hash_out[1]);
}
--
GitLab
From 8e91c2342351e0f5ef6c0a704384a7f6fc70c3b2 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 28 Mar 2024 15:30:39 +0100
Subject: [PATCH 1821/2686] dm integrity: fix out-of-range warning
Depending on the value of CONFIG_HZ, clang complains about a pointless
comparison:
drivers/md/dm-integrity.c:4085:12: error: result of comparison of
constant 42949672950 with expression of type
'unsigned int' is always false
[-Werror,-Wtautological-constant-out-of-range-compare]
if (val >= (uint64_t)UINT_MAX * 1000 / HZ) {
As the check remains useful for other configurations, shut up the
warning by adding a second type cast to uint64_t.
Fixes: 468dfca38b1a ("dm integrity: add a bitmap mode")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
---
drivers/md/dm-integrity.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 37b9f8f1ae1a2..7f3dc8ee6ab8d 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -4221,7 +4221,7 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned int argc, char **argv
} else if (sscanf(opt_string, "sectors_per_bit:%llu%c", &llval, &dummy) == 1) {
log2_sectors_per_bitmap_bit = !llval ? 0 : __ilog2_u64(llval);
} else if (sscanf(opt_string, "bitmap_flush_interval:%u%c", &val, &dummy) == 1) {
- if (val >= (uint64_t)UINT_MAX * 1000 / HZ) {
+ if ((uint64_t)val >= (uint64_t)UINT_MAX * 1000 / HZ) {
r = -EINVAL;
ti->error = "Invalid bitmap_flush_interval argument";
goto bad;
--
GitLab
From a3d3eab627bbbb0cb175910cf8d0f7022628a642 Mon Sep 17 00:00:00 2001
From: Jaewon Kim <jaewon02.kim@samsung.com>
Date: Fri, 29 Mar 2024 17:58:40 +0900
Subject: [PATCH 1822/2686] spi: s3c64xx: Use DMA mode from fifo size
If the SPI data size is smaller than FIFO, it operates in PIO mode,
and if it is larger than FIFO size, it oerates in DMA mode.
If the SPI data size is equal to fifo, it operates in PIO mode and it is
separated to 2 transfers. To prevent it, it must operate in DMA mode
from the case where the data size and the fifo size are the same.
Fixes: 1ee806718d5e ("spi: s3c64xx: support interrupt based pio mode")
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20240329085840.65856-1-jaewon02.kim@samsung.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-s3c64xx.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 9fcbe040cb2f2..f726d86704287 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -430,7 +430,7 @@ static bool s3c64xx_spi_can_dma(struct spi_controller *host,
struct s3c64xx_spi_driver_data *sdd = spi_controller_get_devdata(host);
if (sdd->rx_dma.ch && sdd->tx_dma.ch)
- return xfer->len > sdd->fifo_depth;
+ return xfer->len >= sdd->fifo_depth;
return false;
}
@@ -826,10 +826,9 @@ static int s3c64xx_spi_transfer_one(struct spi_controller *host,
return status;
}
- if (!is_polling(sdd) && (xfer->len > fifo_len) &&
+ if (!is_polling(sdd) && xfer->len >= fifo_len &&
sdd->rx_dma.ch && sdd->tx_dma.ch) {
use_dma = 1;
-
} else if (xfer->len >= fifo_len) {
tx_buf = xfer->tx_buf;
rx_buf = xfer->rx_buf;
--
GitLab
From 4790a73ace86f3d165bbedba898e0758e6e1b82d Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan+linaro@kernel.org>
Date: Thu, 14 Mar 2024 09:44:12 +0100
Subject: [PATCH 1823/2686] Revert "Bluetooth: hci_qca: Set BDA quirk bit if
fwnode exists in DT"
This reverts commit 7dcd3e014aa7faeeaf4047190b22d8a19a0db696.
Qualcomm Bluetooth controllers like WCN6855 do not have persistent
storage for the Bluetooth address and must therefore start as
unconfigured to allow the user to set a valid address unless one has
been provided by the boot firmware in the devicetree.
A recent change snuck into v6.8-rc7 and incorrectly started marking the
default (non-unique) address as valid. This specifically also breaks the
Bluetooth setup for some user of the Lenovo ThinkPad X13s.
Note that this is the second time Qualcomm breaks the driver this way
and that this was fixed last year by commit 6945795bc81a ("Bluetooth:
fix use-bdaddr-property quirk"), which also has some further details.
Fixes: 7dcd3e014aa7 ("Bluetooth: hci_qca: Set BDA quirk bit if fwnode exists in DT")
Cc: stable@vger.kernel.org # 6.8
Cc: Janaki Ramaiah Thota <quic_janathot@quicinc.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reported-by: Clayton Craft <clayton@craftyguy.net>
Tested-by: Clayton Craft <clayton@craftyguy.net>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
drivers/bluetooth/hci_qca.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 8a60ad7acd705..4ecbcb1644cc6 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -7,7 +7,6 @@
*
* Copyright (C) 2007 Texas Instruments, Inc.
* Copyright (c) 2010, 2012, 2018 The Linux Foundation. All rights reserved.
- * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
*
* Acknowledgements:
* This file is based on hci_ll.c, which was...
@@ -1904,17 +1903,7 @@ static int qca_setup(struct hci_uart *hu)
case QCA_WCN6750:
case QCA_WCN6855:
case QCA_WCN7850:
-
- /* Set BDA quirk bit for reading BDA value from fwnode property
- * only if that property exist in DT.
- */
- if (fwnode_property_present(dev_fwnode(hdev->dev.parent), "local-bd-address")) {
- set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks);
- bt_dev_info(hdev, "setting quirk bit to read BDA from fwnode later");
- } else {
- bt_dev_dbg(hdev, "local-bd-address` is not present in the devicetree so not setting quirk bit for BDA");
- }
-
+ set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks);
hci_set_aosp_capable(hdev);
ret = qca_read_soc_version(hdev, &ver, soc_type);
--
GitLab
From 7003de8a226ea07d36e9461a30633af26dc79248 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan+linaro@kernel.org>
Date: Wed, 20 Mar 2024 08:55:51 +0100
Subject: [PATCH 1824/2686] dt-bindings: bluetooth: add
'qcom,local-bd-address-broken'
Several Qualcomm Bluetooth controllers lack persistent storage for the
device address and instead one can be provided by the boot firmware
using the 'local-bd-address' devicetree property.
The Bluetooth bindings clearly states that the address should be
specified in little-endian order, but due to a long-standing bug in the
Qualcomm driver which reversed the address some boot firmware has been
providing the address in big-endian order instead.
The only device out there that should be affected by this is the WCN3991
used in some Chromebooks.
Add a 'qcom,local-bd-address-broken' property which can be set on these
platforms to indicate that the boot firmware is using the wrong byte
order.
Note that ChromeOS always updates the kernel and devicetree in lockstep
so that there is no need to handle backwards compatibility with older
devicetrees.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
.../devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml b/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml
index 528ef3572b621..055a3351880bc 100644
--- a/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml
+++ b/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml
@@ -94,6 +94,10 @@ properties:
local-bd-address: true
+ qcom,local-bd-address-broken:
+ type: boolean
+ description:
+ boot firmware is incorrectly passing the address in big-endian order
required:
- compatible
--
GitLab
From e12e28009e584c8f8363439f6a928ec86278a106 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan+linaro@kernel.org>
Date: Wed, 20 Mar 2024 08:55:52 +0100
Subject: [PATCH 1825/2686] arm64: dts: qcom: sc7180-trogdor: mark bluetooth
address as broken
Several Qualcomm Bluetooth controllers lack persistent storage for the
device address and instead one can be provided by the boot firmware
using the 'local-bd-address' devicetree property.
The Bluetooth bindings clearly states that the address should be
specified in little-endian order, but due to a long-standing bug in the
Qualcomm driver which reversed the address some boot firmware has been
providing the address in big-endian order instead.
The boot firmware in SC7180 Trogdor Chromebooks is known to be affected
so mark the 'local-bd-address' property as broken to maintain backwards
compatibility with older firmware when fixing the underlying driver bug.
Note that ChromeOS always updates the kernel and devicetree in lockstep
so that there is no need to handle backwards compatibility with older
devicetrees.
Fixes: 7ec3e67307f8 ("arm64: dts: qcom: sc7180-trogdor: add initial trogdor and lazor dt")
Cc: stable@vger.kernel.org # 5.10
Cc: Rob Clark <robdclark@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Acked-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
index f3a6da8b28901..5260c63db0078 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
@@ -944,6 +944,8 @@ bluetooth: bluetooth {
vddrf-supply = <&pp1300_l2c>;
vddch0-supply = <&pp3300_l10c>;
max-speed = <3200000>;
+
+ qcom,local-bd-address-broken;
};
};
--
GitLab
From 39646f29b100566451d37abc4cc8cdd583756dfe Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan+linaro@kernel.org>
Date: Wed, 20 Mar 2024 08:55:53 +0100
Subject: [PATCH 1826/2686] Bluetooth: add quirk for broken address properties
Some Bluetooth controllers lack persistent storage for the device
address and instead one can be provided by the boot firmware using the
'local-bd-address' devicetree property.
The Bluetooth devicetree bindings clearly states that the address should
be specified in little-endian order, but due to a long-standing bug in
the Qualcomm driver which reversed the address some boot firmware has
been providing the address in big-endian order instead.
Add a new quirk that can be set on platforms with broken firmware and
use it to reverse the address when parsing the property so that the
underlying driver bug can be fixed.
Fixes: 5c0a1001c8be ("Bluetooth: hci_qca: Add helper to set device address")
Cc: stable@vger.kernel.org # 5.1
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
include/net/bluetooth/hci.h | 9 +++++++++
net/bluetooth/hci_sync.c | 5 ++++-
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 8701ca5f31eec..5c12761cbc0e2 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -176,6 +176,15 @@ enum {
*/
HCI_QUIRK_USE_BDADDR_PROPERTY,
+ /* When this quirk is set, the Bluetooth Device Address provided by
+ * the 'local-bd-address' fwnode property is incorrectly specified in
+ * big-endian order.
+ *
+ * This quirk can be set before hci_register_dev is called or
+ * during the hdev->setup vendor callback.
+ */
+ HCI_QUIRK_BDADDR_PROPERTY_BROKEN,
+
/* When this quirk is set, the duplicate filtering during
* scanning is based on Bluetooth devices addresses. To allow
* RSSI based updates, restart scanning if needed.
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index f6b662369322b..639090b9f4b85 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -3416,7 +3416,10 @@ static void hci_dev_get_bd_addr_from_property(struct hci_dev *hdev)
if (ret < 0 || !bacmp(&ba, BDADDR_ANY))
return;
- bacpy(&hdev->public_addr, &ba);
+ if (test_bit(HCI_QUIRK_BDADDR_PROPERTY_BROKEN, &hdev->quirks))
+ baswap(&hdev->public_addr, &ba);
+ else
+ bacpy(&hdev->public_addr, &ba);
}
struct hci_init_stage {
--
GitLab
From 77f45cca8bc55d00520a192f5a7715133591c83e Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan+linaro@kernel.org>
Date: Wed, 20 Mar 2024 08:55:54 +0100
Subject: [PATCH 1827/2686] Bluetooth: qca: fix device-address endianness
The WCN6855 firmware on the Lenovo ThinkPad X13s expects the Bluetooth
device address in big-endian order when setting it using the
EDL_WRITE_BD_ADDR_OPCODE command.
Presumably, this is the case for all non-ROME devices which all use the
EDL_WRITE_BD_ADDR_OPCODE command for this (unlike the ROME devices which
use a different command and expect the address in little-endian order).
Reverse the little-endian address before setting it to make sure that
the address can be configured using tools like btmgmt or using the
'local-bd-address' devicetree property.
Note that this can potentially break systems with boot firmware which
has started relying on the broken behaviour and is incorrectly passing
the address via devicetree in big-endian order.
The only device affected by this should be the WCN3991 used in some
Chromebooks. As ChromeOS updates the kernel and devicetree in lockstep,
the new 'qcom,local-bd-address-broken' property can be used to determine
if the firmware is buggy so that the underlying driver bug can be fixed
without breaking backwards compatibility.
Set the HCI_QUIRK_BDADDR_PROPERTY_BROKEN quirk for such platforms so
that the address is reversed when parsing the address property.
Fixes: 5c0a1001c8be ("Bluetooth: hci_qca: Add helper to set device address")
Cc: stable@vger.kernel.org # 5.1
Cc: Balakrishna Godavarthi <quic_bgodavar@quicinc.com>
Cc: Matthias Kaehlcke <mka@chromium.org>
Tested-by: Nikita Travkin <nikita@trvn.ru> # sc7180
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
drivers/bluetooth/btqca.c | 8 ++++++--
drivers/bluetooth/hci_qca.c | 10 ++++++++++
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index b40b32fa7f1c3..19cfc342fc7bb 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -826,11 +826,15 @@ EXPORT_SYMBOL_GPL(qca_uart_setup);
int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
+ bdaddr_t bdaddr_swapped;
struct sk_buff *skb;
int err;
- skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, bdaddr,
- HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
+ baswap(&bdaddr_swapped, bdaddr);
+
+ skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6,
+ &bdaddr_swapped, HCI_EV_VENDOR,
+ HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 4ecbcb1644cc6..ecbc52eaf1010 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -225,6 +225,7 @@ struct qca_serdev {
struct qca_power *bt_power;
u32 init_speed;
u32 oper_speed;
+ bool bdaddr_property_broken;
const char *firmware_name;
};
@@ -1842,6 +1843,7 @@ static int qca_setup(struct hci_uart *hu)
const char *firmware_name = qca_get_firmware_name(hu);
int ret;
struct qca_btsoc_version ver;
+ struct qca_serdev *qcadev;
const char *soc_name;
ret = qca_check_speeds(hu);
@@ -1904,6 +1906,11 @@ static int qca_setup(struct hci_uart *hu)
case QCA_WCN6855:
case QCA_WCN7850:
set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks);
+
+ qcadev = serdev_device_get_drvdata(hu->serdev);
+ if (qcadev->bdaddr_property_broken)
+ set_bit(HCI_QUIRK_BDADDR_PROPERTY_BROKEN, &hdev->quirks);
+
hci_set_aosp_capable(hdev);
ret = qca_read_soc_version(hdev, &ver, soc_type);
@@ -2284,6 +2291,9 @@ static int qca_serdev_probe(struct serdev_device *serdev)
if (!qcadev->oper_speed)
BT_DBG("UART will pick default operating speed");
+ qcadev->bdaddr_property_broken = device_property_read_bool(&serdev->dev,
+ "qcom,local-bd-address-broken");
+
if (data)
qcadev->btsoc_type = data->soc_type;
else
--
GitLab
From 6946b9c99bde45f3ba74e00a7af9a3458cc24bea Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Tue, 26 Mar 2024 12:43:17 -0400
Subject: [PATCH 1828/2686] Bluetooth: hci_sync: Fix not checking error on
hci_cmd_sync_cancel_sync
hci_cmd_sync_cancel_sync shall check the error passed to it since it
will be propagated using req_result which is __u32 it needs to be
properly set to a positive value if it was passed as negative othertise
IS_ERR will not trigger as -(errno) would be converted to a positive
value.
Fixes: 63298d6e752f ("Bluetooth: hci_core: Cancel request on command timeout")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Reported-and-tested-by: Thorsten Leemhuis <linux@leemhuis.info>
Closes: https://lore.kernel.org/all/08275279-7462-4f4a-a0ee-8aa015f829bc@leemhuis.info/
---
net/bluetooth/hci_core.c | 6 +++---
net/bluetooth/hci_sync.c | 5 ++++-
2 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 1690ae57a09db..a7028d38c1f5c 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2874,7 +2874,7 @@ static void hci_cancel_cmd_sync(struct hci_dev *hdev, int err)
cancel_delayed_work_sync(&hdev->ncmd_timer);
atomic_set(&hdev->cmd_cnt, 1);
- hci_cmd_sync_cancel_sync(hdev, -err);
+ hci_cmd_sync_cancel_sync(hdev, err);
}
/* Suspend HCI device */
@@ -2894,7 +2894,7 @@ int hci_suspend_dev(struct hci_dev *hdev)
return 0;
/* Cancel potentially blocking sync operation before suspend */
- hci_cancel_cmd_sync(hdev, -EHOSTDOWN);
+ hci_cancel_cmd_sync(hdev, EHOSTDOWN);
hci_req_sync_lock(hdev);
ret = hci_suspend_sync(hdev);
@@ -4210,7 +4210,7 @@ static void hci_send_cmd_sync(struct hci_dev *hdev, struct sk_buff *skb)
err = hci_send_frame(hdev, skb);
if (err < 0) {
- hci_cmd_sync_cancel_sync(hdev, err);
+ hci_cmd_sync_cancel_sync(hdev, -err);
return;
}
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index 639090b9f4b85..8fe02921adf15 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -617,7 +617,10 @@ void hci_cmd_sync_cancel_sync(struct hci_dev *hdev, int err)
bt_dev_dbg(hdev, "err 0x%2.2x", err);
if (hdev->req_status == HCI_REQ_PEND) {
- hdev->req_result = err;
+ /* req_result is __u32 so error must be positive to be properly
+ * propagated.
+ */
+ hdev->req_result = err < 0 ? -err : err;
hdev->req_status = HCI_REQ_CANCELED;
wake_up_interruptible(&hdev->req_wait_q);
--
GitLab
From c569242cd49287d53b73a94233db40097d838535 Mon Sep 17 00:00:00 2001
From: Hui Wang <hui.wang@canonical.com>
Date: Wed, 27 Mar 2024 12:30:30 +0800
Subject: [PATCH 1829/2686] Bluetooth: hci_event: set the conn encrypted before
conn establishes
We have a BT headset (Lenovo Thinkplus XT99), the pairing and
connecting has no problem, once this headset is paired, bluez will
remember this device and will auto re-connect it whenever the device
is powered on. The auto re-connecting works well with Windows and
Android, but with Linux, it always fails. Through debugging, we found
at the rfcomm connection stage, the bluetooth stack reports
"Connection refused - security block (0x0003)".
For this device, the re-connecting negotiation process is different
from other BT headsets, it sends the Link_KEY_REQUEST command before
the CONNECT_REQUEST completes, and it doesn't send ENCRYPT_CHANGE
command during the negotiation. When the device sends the "connect
complete" to hci, the ev->encr_mode is 1.
So here in the conn_complete_evt(), if ev->encr_mode is 1, link type
is ACL and HCI_CONN_ENCRYPT is not set, we set HCI_CONN_ENCRYPT to
this conn, and update conn->enc_key_size accordingly.
After this change, this BT headset could re-connect with Linux
successfully. This is the btmon log after applying the patch, after
receiving the "Connect Complete" with "Encryption: Enabled", will send
the command to read encryption key size:
> HCI Event: Connect Request (0x04) plen 10
Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
Class: 0x240404
Major class: Audio/Video (headset, speaker, stereo, video, vcr)
Minor class: Wearable Headset Device
Rendering (Printing, Speaker)
Audio (Speaker, Microphone, Headset)
Link type: ACL (0x01)
...
> HCI Event: Link Key Request (0x17) plen 6
Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
< HCI Command: Link Key Request Reply (0x01|0x000b) plen 22
Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
Link key: ${32-hex-digits-key}
...
> HCI Event: Connect Complete (0x03) plen 11
Status: Success (0x00)
Handle: 256
Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
Link type: ACL (0x01)
Encryption: Enabled (0x01)
< HCI Command: Read Encryption Key... (0x05|0x0008) plen 2
Handle: 256
< ACL Data TX: Handle 256 flags 0x00 dlen 10
L2CAP: Information Request (0x0a) ident 1 len 2
Type: Extended features supported (0x0002)
> HCI Event: Command Complete (0x0e) plen 7
Read Encryption Key Size (0x05|0x0008) ncmd 1
Status: Success (0x00)
Handle: 256
Key size: 16
Cc: stable@vger.kernel.org
Link: https://github.com/bluez/bluez/issues/704
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
net/bluetooth/hci_event.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 4ae2248240121..a8b8cfebe0180 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -3208,6 +3208,31 @@ static void hci_conn_complete_evt(struct hci_dev *hdev, void *data,
if (test_bit(HCI_ENCRYPT, &hdev->flags))
set_bit(HCI_CONN_ENCRYPT, &conn->flags);
+ /* "Link key request" completed ahead of "connect request" completes */
+ if (ev->encr_mode == 1 && !test_bit(HCI_CONN_ENCRYPT, &conn->flags) &&
+ ev->link_type == ACL_LINK) {
+ struct link_key *key;
+ struct hci_cp_read_enc_key_size cp;
+
+ key = hci_find_link_key(hdev, &ev->bdaddr);
+ if (key) {
+ set_bit(HCI_CONN_ENCRYPT, &conn->flags);
+
+ if (!(hdev->commands[20] & 0x10)) {
+ conn->enc_key_size = HCI_LINK_KEY_SIZE;
+ } else {
+ cp.handle = cpu_to_le16(conn->handle);
+ if (hci_send_cmd(hdev, HCI_OP_READ_ENC_KEY_SIZE,
+ sizeof(cp), &cp)) {
+ bt_dev_err(hdev, "sending read key size failed");
+ conn->enc_key_size = HCI_LINK_KEY_SIZE;
+ }
+ }
+
+ hci_encrypt_cfm(conn, ev->status);
+ }
+ }
+
/* Get remote features */
if (conn->type == ACL_LINK) {
struct hci_cp_read_remote_features cp;
--
GitLab
From 7835fcfd132eb88b87e8eb901f88436f63ab60f7 Mon Sep 17 00:00:00 2001
From: Bastien Nocera <hadess@hadess.net>
Date: Wed, 27 Mar 2024 15:24:56 +0100
Subject: [PATCH 1830/2686] Bluetooth: Fix TOCTOU in HCI debugfs implementation
struct hci_dev members conn_info_max_age, conn_info_min_age,
le_conn_max_interval, le_conn_min_interval, le_adv_max_interval,
and le_adv_min_interval can be modified from the HCI core code, as well
through debugfs.
The debugfs implementation, that's only available to privileged users,
will check for boundaries, making sure that the minimum value being set
is strictly above the maximum value that already exists, and vice-versa.
However, as both minimum and maximum values can be changed concurrently
to us modifying them, we need to make sure that the value we check is
the value we end up using.
For example, with ->conn_info_max_age set to 10, conn_info_min_age_set()
gets called from vfs handlers to set conn_info_min_age to 8.
In conn_info_min_age_set(), this goes through:
if (val == 0 || val > hdev->conn_info_max_age)
return -EINVAL;
Concurrently, conn_info_max_age_set() gets called to set to set the
conn_info_max_age to 7:
if (val == 0 || val > hdev->conn_info_max_age)
return -EINVAL;
That check will also pass because we used the old value (10) for
conn_info_max_age.
After those checks that both passed, the struct hci_dev access
is mutex-locked, disabling concurrent access, but that does not matter
because the invalid value checks both passed, and we'll end up with
conn_info_min_age = 8 and conn_info_max_age = 7
To fix this problem, we need to lock the structure access before so the
check and assignment are not interrupted.
This fix was originally devised by the BassCheck[1] team, and
considered the problem to be an atomicity one. This isn't the case as
there aren't any concerns about the variable changing while we check it,
but rather after we check it parallel to another change.
This patch fixes CVE-2024-24858 and CVE-2024-24857.
[1] https://sites.google.com/view/basscheck/
Co-developed-by: Gui-Dong Han <2045gemini@gmail.com>
Signed-off-by: Gui-Dong Han <2045gemini@gmail.com>
Link: https://lore.kernel.org/linux-bluetooth/20231222161317.6255-1-2045gemini@gmail.com/
Link: https://nvd.nist.gov/vuln/detail/CVE-2024-24858
Link: https://lore.kernel.org/linux-bluetooth/20231222162931.6553-1-2045gemini@gmail.com/
Link: https://lore.kernel.org/linux-bluetooth/20231222162310.6461-1-2045gemini@gmail.com/
Link: https://nvd.nist.gov/vuln/detail/CVE-2024-24857
Fixes: 31ad169148df ("Bluetooth: Add conn info lifetime parameters to debugfs")
Fixes: 729a1051da6f ("Bluetooth: Expose default LE advertising interval via debugfs")
Fixes: 71c3b60ec6d2 ("Bluetooth: Move BR/EDR debugfs file creation into hci_debugfs.c")
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
net/bluetooth/hci_debugfs.c | 48 ++++++++++++++++++++++++-------------
1 file changed, 32 insertions(+), 16 deletions(-)
diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
index 233453807b509..ce3ff2fa72e58 100644
--- a/net/bluetooth/hci_debugfs.c
+++ b/net/bluetooth/hci_debugfs.c
@@ -218,10 +218,12 @@ static int conn_info_min_age_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
- if (val == 0 || val > hdev->conn_info_max_age)
+ hci_dev_lock(hdev);
+ if (val == 0 || val > hdev->conn_info_max_age) {
+ hci_dev_unlock(hdev);
return -EINVAL;
+ }
- hci_dev_lock(hdev);
hdev->conn_info_min_age = val;
hci_dev_unlock(hdev);
@@ -246,10 +248,12 @@ static int conn_info_max_age_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
- if (val == 0 || val < hdev->conn_info_min_age)
+ hci_dev_lock(hdev);
+ if (val == 0 || val < hdev->conn_info_min_age) {
+ hci_dev_unlock(hdev);
return -EINVAL;
+ }
- hci_dev_lock(hdev);
hdev->conn_info_max_age = val;
hci_dev_unlock(hdev);
@@ -567,10 +571,12 @@ static int sniff_min_interval_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
- if (val == 0 || val % 2 || val > hdev->sniff_max_interval)
+ hci_dev_lock(hdev);
+ if (val == 0 || val % 2 || val > hdev->sniff_max_interval) {
+ hci_dev_unlock(hdev);
return -EINVAL;
+ }
- hci_dev_lock(hdev);
hdev->sniff_min_interval = val;
hci_dev_unlock(hdev);
@@ -595,10 +601,12 @@ static int sniff_max_interval_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
- if (val == 0 || val % 2 || val < hdev->sniff_min_interval)
+ hci_dev_lock(hdev);
+ if (val == 0 || val % 2 || val < hdev->sniff_min_interval) {
+ hci_dev_unlock(hdev);
return -EINVAL;
+ }
- hci_dev_lock(hdev);
hdev->sniff_max_interval = val;
hci_dev_unlock(hdev);
@@ -850,10 +858,12 @@ static int conn_min_interval_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
- if (val < 0x0006 || val > 0x0c80 || val > hdev->le_conn_max_interval)
+ hci_dev_lock(hdev);
+ if (val < 0x0006 || val > 0x0c80 || val > hdev->le_conn_max_interval) {
+ hci_dev_unlock(hdev);
return -EINVAL;
+ }
- hci_dev_lock(hdev);
hdev->le_conn_min_interval = val;
hci_dev_unlock(hdev);
@@ -878,10 +888,12 @@ static int conn_max_interval_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
- if (val < 0x0006 || val > 0x0c80 || val < hdev->le_conn_min_interval)
+ hci_dev_lock(hdev);
+ if (val < 0x0006 || val > 0x0c80 || val < hdev->le_conn_min_interval) {
+ hci_dev_unlock(hdev);
return -EINVAL;
+ }
- hci_dev_lock(hdev);
hdev->le_conn_max_interval = val;
hci_dev_unlock(hdev);
@@ -990,10 +1002,12 @@ static int adv_min_interval_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
- if (val < 0x0020 || val > 0x4000 || val > hdev->le_adv_max_interval)
+ hci_dev_lock(hdev);
+ if (val < 0x0020 || val > 0x4000 || val > hdev->le_adv_max_interval) {
+ hci_dev_unlock(hdev);
return -EINVAL;
+ }
- hci_dev_lock(hdev);
hdev->le_adv_min_interval = val;
hci_dev_unlock(hdev);
@@ -1018,10 +1032,12 @@ static int adv_max_interval_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
- if (val < 0x0020 || val > 0x4000 || val < hdev->le_adv_min_interval)
+ hci_dev_lock(hdev);
+ if (val < 0x0020 || val > 0x4000 || val < hdev->le_adv_min_interval) {
+ hci_dev_unlock(hdev);
return -EINVAL;
+ }
- hci_dev_lock(hdev);
hdev->le_adv_max_interval = val;
hci_dev_unlock(hdev);
--
GitLab
From 2c603a4947a1247102ccb008d5eb6f37a4043c98 Mon Sep 17 00:00:00 2001
From: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Date: Fri, 29 Mar 2024 11:08:12 +0530
Subject: [PATCH 1831/2686] ASoC: amd: acp: fix for acp_init function error
handling
If acp_init() fails, acp pci driver probe should return error.
Add acp_init() function return value check logic.
Fixes: e61b415515d3 ("ASoC: amd: acp: refactor the acp init and de-init sequence")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20240329053815.2373979-1-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/amd/acp/acp-pci.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/soc/amd/acp/acp-pci.c b/sound/soc/amd/acp/acp-pci.c
index 440b91d4f261c..5f35b90eab8d3 100644
--- a/sound/soc/amd/acp/acp-pci.c
+++ b/sound/soc/amd/acp/acp-pci.c
@@ -115,7 +115,10 @@ static int acp_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id
goto unregister_dmic_dev;
}
- acp_init(chip);
+ ret = acp_init(chip);
+ if (ret)
+ goto unregister_dmic_dev;
+
res = devm_kcalloc(&pci->dev, num_res, sizeof(struct resource), GFP_KERNEL);
if (!res) {
ret = -ENOMEM;
--
GitLab
From 42fb9cfd5b186fe2e615564f0a1bdd424aa1b151 Mon Sep 17 00:00:00 2001
From: Brendan Jackman <jackmanb@google.com>
Date: Thu, 28 Mar 2024 12:49:47 +0000
Subject: [PATCH 1832/2686] Documentation: dev-tools: Add link to RV docs
I could not remember the name of this system and it's pretty hard to
find without the right keywords. I had to ask an LLM!
Drop a breadcrumb to help people find it in the future.
Signed-off-by: Brendan Jackman <jackmanb@google.com>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240328124947.2107524-1-jackmanb@google.com
---
Documentation/dev-tools/testing-overview.rst | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/dev-tools/testing-overview.rst b/Documentation/dev-tools/testing-overview.rst
index 0aaf6ea53608f..1619e5e5cc9c4 100644
--- a/Documentation/dev-tools/testing-overview.rst
+++ b/Documentation/dev-tools/testing-overview.rst
@@ -104,6 +104,8 @@ Some of these tools are listed below:
KASAN and can be used in production. See Documentation/dev-tools/kfence.rst
* lockdep is a locking correctness validator. See
Documentation/locking/lockdep-design.rst
+* Runtime Verification (RV) supports checking specific behaviours for a given
+ subsystem. See Documentation/trace/rv/runtime-verification.rst
* There are several other pieces of debug instrumentation in the kernel, many
of which can be found in lib/Kconfig.debug
--
GitLab
From 0ec69b3bed23a4a5a88b4261afeee44ade709ed3 Mon Sep 17 00:00:00 2001
From: Donald Hunter <donald.hunter@gmail.com>
Date: Tue, 26 Mar 2024 17:38:25 +0000
Subject: [PATCH 1833/2686] docs: Fix bitfield handling in kernel-doc
kernel-doc doesn't handle bitfields that are specified with symbolic
name, e.g. u32 cs_index_mask : SPI_CS_CNT_MAX
This results in the following warnings when running `make htmldocs`:
include/linux/spi/spi.h:246: warning: Function parameter or struct member 'cs_index_mask:SPI_CS_CNT_MAX' not described in 'spi_device'
include/linux/spi/spi.h:246: warning: Excess struct member 'cs_index_mask' description in 'spi_device'
Update the regexp for bitfields to accept all word chars, not just
digits.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240326173825.99190-1-donald.hunter@gmail.com
---
scripts/kernel-doc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 967f1abb0edbd..cb1be22afc65f 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1541,7 +1541,7 @@ sub create_parameterlist($$$$) {
save_struct_actual($2);
push_parameter($2, "$type $1", $arg, $file, $declaration_name);
- } elsif ($param =~ m/(.*?):(\d+)/) {
+ } elsif ($param =~ m/(.*?):(\w+)/) {
if ($type ne "") { # skip unnamed bit-fields
save_struct_actual($1);
push_parameter($1, "$type:$2", $arg, $file, $declaration_name)
--
GitLab
From b75d85218fdfd8774f2f8397d1f6092ed06bd311 Mon Sep 17 00:00:00 2001
From: Vitaly Chikunov <vt@altlinux.org>
Date: Sun, 24 Mar 2024 02:17:04 +0300
Subject: [PATCH 1834/2686] tracing: Fix documentation on tp_printk cmdline
option
kernel-parameters.txt incorrectly states that workings of
kernel.tracepoint_printk sysctl depends on "tracepoint_printk kernel
cmdline option", this is a bit misleading for new users since the actual
cmdline option name is tp_printk.
Fixes: 0daa2302968c ("tracing: Add tp_printk cmdline to have tracepoints go to printk()")
Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240323231704.1217926-1-vt@altlinux.org
---
Documentation/admin-guide/kernel-parameters.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index bb884c14b2f67..623fce7d5fcd0 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6599,7 +6599,7 @@
To turn off having tracepoints sent to printk,
echo 0 > /proc/sys/kernel/tracepoint_printk
Note, echoing 1 into this file without the
- tracepoint_printk kernel cmdline option has no effect.
+ tp_printk kernel cmdline option has no effect.
The tp_printk_stop_on_boot (see below) can also be used
to stop the printing of events to console at
--
GitLab
From e9c44c1beaba623b12201d2028bc20f535464d9b Mon Sep 17 00:00:00 2001
From: Weiji Wang <nebclllo0444@gmail.com>
Date: Tue, 19 Mar 2024 19:42:15 +0800
Subject: [PATCH 1835/2686] docs: zswap: fix shell command format
Format the shell commands as code block to keep the documentation in the
same style
Signed-off-by: Weiji Wang <nebclllo0444@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240319114253.2647-1-nebclllo0444@gmail.com
---
Documentation/admin-guide/mm/zswap.rst | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/admin-guide/mm/zswap.rst b/Documentation/admin-guide/mm/zswap.rst
index b42132969e315..13632671adaea 100644
--- a/Documentation/admin-guide/mm/zswap.rst
+++ b/Documentation/admin-guide/mm/zswap.rst
@@ -155,7 +155,7 @@ Setting this parameter to 100 will disable the hysteresis.
Some users cannot tolerate the swapping that comes with zswap store failures
and zswap writebacks. Swapping can be disabled entirely (without disabling
-zswap itself) on a cgroup-basis as follows:
+zswap itself) on a cgroup-basis as follows::
echo 0 > /sys/fs/cgroup/<cgroup-name>/memory.zswap.writeback
@@ -166,7 +166,7 @@ writeback (because the same pages might be rejected again and again).
When there is a sizable amount of cold memory residing in the zswap pool, it
can be advantageous to proactively write these cold pages to swap and reclaim
the memory for other use cases. By default, the zswap shrinker is disabled.
-User can enable it as follows:
+User can enable it as follows::
echo Y > /sys/module/zswap/parameters/shrinker_enabled
--
GitLab
From 09ba28e1cd3cf715daab1fca6e1623e22fd754a6 Mon Sep 17 00:00:00 2001
From: David Thompson <davthompson@nvidia.com>
Date: Mon, 25 Mar 2024 17:09:29 -0400
Subject: [PATCH 1836/2686] mlxbf_gige: stop interface during shutdown
The mlxbf_gige driver intermittantly encounters a NULL pointer
exception while the system is shutting down via "reboot" command.
The mlxbf_driver will experience an exception right after executing
its shutdown() method. One example of this exception is:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000070
Mem abort info:
ESR = 0x0000000096000004
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x04: level 0 translation fault
Data abort info:
ISV = 0, ISS = 0x00000004
CM = 0, WnR = 0
user pgtable: 4k pages, 48-bit VAs, pgdp=000000011d373000
[0000000000000070] pgd=0000000000000000, p4d=0000000000000000
Internal error: Oops: 96000004 [#1] SMP
CPU: 0 PID: 13 Comm: ksoftirqd/0 Tainted: G S OE 5.15.0-bf.6.gef6992a #1
Hardware name: https://www.mellanox.com BlueField SoC/BlueField SoC, BIOS 4.0.2.12669 Apr 21 2023
pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : mlxbf_gige_handle_tx_complete+0xc8/0x170 [mlxbf_gige]
lr : mlxbf_gige_poll+0x54/0x160 [mlxbf_gige]
sp : ffff8000080d3c10
x29: ffff8000080d3c10 x28: ffffcce72cbb7000 x27: ffff8000080d3d58
x26: ffff0000814e7340 x25: ffff331cd1a05000 x24: ffffcce72c4ea008
x23: ffff0000814e4b40 x22: ffff0000814e4d10 x21: ffff0000814e4128
x20: 0000000000000000 x19: ffff0000814e4a80 x18: ffffffffffffffff
x17: 000000000000001c x16: ffffcce72b4553f4 x15: ffff80008805b8a7
x14: 0000000000000000 x13: 0000000000000030 x12: 0101010101010101
x11: 7f7f7f7f7f7f7f7f x10: c2ac898b17576267 x9 : ffffcce720fa5404
x8 : ffff000080812138 x7 : 0000000000002e9a x6 : 0000000000000080
x5 : ffff00008de3b000 x4 : 0000000000000000 x3 : 0000000000000001
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
mlxbf_gige_handle_tx_complete+0xc8/0x170 [mlxbf_gige]
mlxbf_gige_poll+0x54/0x160 [mlxbf_gige]
__napi_poll+0x40/0x1c8
net_rx_action+0x314/0x3a0
__do_softirq+0x128/0x334
run_ksoftirqd+0x54/0x6c
smpboot_thread_fn+0x14c/0x190
kthread+0x10c/0x110
ret_from_fork+0x10/0x20
Code: 8b070000 f9000ea0 f95056c0 f86178a1 (b9407002)
---[ end trace 7cc3941aa0d8e6a4 ]---
Kernel panic - not syncing: Oops: Fatal exception in interrupt
Kernel Offset: 0x4ce722520000 from 0xffff800008000000
PHYS_OFFSET: 0x80000000
CPU features: 0x000005c1,a3330e5a
Memory Limit: none
---[ end Kernel panic - not syncing: Oops: Fatal exception in interrupt ]---
During system shutdown, the mlxbf_gige driver's shutdown() is always executed.
However, the driver's stop() method will only execute if networking interface
configuration logic within the Linux distribution has been setup to do so.
If shutdown() executes but stop() does not execute, NAPI remains enabled
and this can lead to an exception if NAPI is scheduled while the hardware
interface has only been partially deinitialized.
The networking interface managed by the mlxbf_gige driver must be properly
stopped during system shutdown so that IFF_UP is cleared, the hardware
interface is put into a clean state, and NAPI is fully deinitialized.
Fixes: f92e1869d74e ("Add Mellanox BlueField Gigabit Ethernet driver")
Signed-off-by: David Thompson <davthompson@nvidia.com>
Link: https://lore.kernel.org/r/20240325210929.25362-1-davthompson@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c
index 77134ca929382..ba303868686a7 100644
--- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c
+++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c
@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/phy.h>
#include <linux/platform_device.h>
+#include <linux/rtnetlink.h>
#include <linux/skbuff.h>
#include "mlxbf_gige.h"
@@ -492,8 +493,13 @@ static void mlxbf_gige_shutdown(struct platform_device *pdev)
{
struct mlxbf_gige *priv = platform_get_drvdata(pdev);
- writeq(0, priv->base + MLXBF_GIGE_INT_EN);
- mlxbf_gige_clean_port(priv);
+ rtnl_lock();
+ netif_device_detach(priv->netdev);
+
+ if (netif_running(priv->netdev))
+ dev_close(priv->netdev);
+
+ rtnl_unlock();
}
static const struct acpi_device_id __maybe_unused mlxbf_gige_acpi_match[] = {
--
GitLab
From 6dae957c8eef6eae5b386462767de97303235d5c Mon Sep 17 00:00:00 2001
From: Anton Protopopov <aspsk@isovalent.com>
Date: Fri, 29 Mar 2024 07:11:06 +0000
Subject: [PATCH 1837/2686] bpf: fix possible file descriptor leaks in verifier
The resolve_pseudo_ldimm64() function might have leaked file
descriptors when BPF_MAP_TYPE_ARENA was used in a program (some
error paths missed a corresponding fdput). Add missing fdputs.
v2:
remove unrelated changes from the fix
Fixes: 6082b6c328b5 ("bpf: Recognize addr_space_cast instruction in the verifier.")
Signed-off-by: Anton Protopopov <aspsk@isovalent.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
Link: https://lore.kernel.org/r/20240329071106.67968-1-aspsk@isovalent.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
kernel/bpf/verifier.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 353985b2b6a27..98188379d5c77 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -18379,15 +18379,18 @@ static int resolve_pseudo_ldimm64(struct bpf_verifier_env *env)
}
if (!env->prog->jit_requested) {
verbose(env, "JIT is required to use arena\n");
+ fdput(f);
return -EOPNOTSUPP;
}
if (!bpf_jit_supports_arena()) {
verbose(env, "JIT doesn't support arena\n");
+ fdput(f);
return -EOPNOTSUPP;
}
env->prog->aux->arena = (void *)map;
if (!bpf_arena_get_user_vm_start(env->prog->aux->arena)) {
verbose(env, "arena's user address must be set via map_extra or mmap()\n");
+ fdput(f);
return -EINVAL;
}
}
--
GitLab
From eaa03486d932572dfd1c5f64f9dfebe572ad88c0 Mon Sep 17 00:00:00 2001
From: Richard Fitzgerald <rf@opensource.cirrus.com>
Date: Fri, 29 Mar 2024 14:46:30 +0000
Subject: [PATCH 1838/2686] regmap: maple: Fix uninitialized symbol 'ret'
warnings
Fix warnings reported by smatch by initializing local 'ret' variable
to 0.
drivers/base/regmap/regcache-maple.c:186 regcache_maple_drop()
error: uninitialized symbol 'ret'.
drivers/base/regmap/regcache-maple.c:290 regcache_maple_sync()
error: uninitialized symbol 'ret'.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Fixes: f033c26de5a5 ("regmap: Add maple tree based register cache")
Link: https://lore.kernel.org/r/20240329144630.1965159-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/base/regmap/regcache-maple.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/base/regmap/regcache-maple.c b/drivers/base/regmap/regcache-maple.c
index c1776127a5724..55999a50ccc0b 100644
--- a/drivers/base/regmap/regcache-maple.c
+++ b/drivers/base/regmap/regcache-maple.c
@@ -112,7 +112,7 @@ static int regcache_maple_drop(struct regmap *map, unsigned int min,
unsigned long *entry, *lower, *upper;
unsigned long lower_index, lower_last;
unsigned long upper_index, upper_last;
- int ret;
+ int ret = 0;
lower = NULL;
upper = NULL;
@@ -244,7 +244,7 @@ static int regcache_maple_sync(struct regmap *map, unsigned int min,
unsigned long lmin = min;
unsigned long lmax = max;
unsigned int r, v, sync_start;
- int ret;
+ int ret = 0;
bool sync_needed = false;
map->cache_bypass = true;
--
GitLab
From 302b84e84d108b878efc56ebfea09474159be56b Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bhelgaas@google.com>
Date: Thu, 28 Mar 2024 16:07:23 -0500
Subject: [PATCH 1839/2686] Revert "PCI: Mark LSI FW643 to avoid bus reset"
This reverts commit 29a43dc130ce65d365a8ea9e1cc4bc51005a353e.
29a43dc130ce ("PCI: Mark LSI FW643 to avoid bus reset") by Edmund was based
on the assumption that the LSI / Agere FW643 has a defect such that it
can't recover after a Secondary Bus Reset (SBR).
But Takashi Sakamoto reported that SBR works fine on this same FW643 device
in an AMD Ryzen 5 2400G system, so apparently there is some other aspect of
Edmund's system that accounts for the issue.
The down side of 29a43dc130ce is that when the FW643 is assigned to a VM,
avoiding the SBR means we leak data out of the VM.
Revert 29a43dc130ce until we figure out a better solution. In the
meantime, we can use the sysfs "reset_method" interface to restrict the
available reset methods.
Link: https://lore.kernel.org/r/20240328212302.1582483-1-helgaas@kernel.org
Fixes: 29a43dc130ce ("PCI: Mark LSI FW643 to avoid bus reset")
Reported-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20240325012135.36861-1-o-takashi@sakamocchi.jp
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
---
drivers/pci/quirks.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index bf4833221816d..eff7f5df08e27 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3765,14 +3765,6 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x003e, quirk_no_bus_reset);
*/
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_CAVIUM, 0xa100, quirk_no_bus_reset);
-/*
- * Apparently the LSI / Agere FW643 can't recover after a Secondary Bus
- * Reset and requires a power-off or suspend/resume and rescan. Prevent
- * use of that reset.
- */
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATT, 0x5900, quirk_no_bus_reset);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATT, 0x5901, quirk_no_bus_reset);
-
/*
* Some TI KeyStone C667X devices do not support bus/hot reset. The PCIESS
* automatically disables LTSSM when Secondary Bus Reset is received and
--
GitLab
From 1096bc93df75577d34db66e8b88ae6d0d1e72b1d Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 29 Mar 2024 11:06:13 -0700
Subject: [PATCH 1840/2686] mm: clean up populate_vma_page_range() FOLL_* flag
handling
The code wasn't exactly wrong, but it was very odd, and it used
FOLL_FORCE together with FOLL_WRITE when it really didn't need to (it
only set FOLL_WRITE for writable mappings, so then the FOLL_FORCE was
pointless).
It also pointlessly called __get_user_pages() even when it knew it
wouldn't populate anything because the vma wasn't accessible and it
explicitly tested for and did *not* set FOLL_FORCE for inaccessible
vma's.
This code does need to use FOLL_FORCE, because we want to do fault in
writable shared mappings, but then the mapping may not actually be
readable. And we don't want to use FOLL_WRITE (which would match the
permission of the vma), because that would also dirty the pages, which
we don't want to do.
For very similar reasons, FOLL_FORCE populates a executable-only mapping
with no read permissions. We don't have a FOLL_EXEC flag.
Yes, it would probably be cleaner to split FOLL_WRITE into two bits (for
separate permission and dirty bit handling), and add a FOLL_EXEC flag
for the "GUP executable page" case. That would allow us to avoid
FOLL_FORCE entirely here.
But that's not how our FOLL_xyz bits have traditionally worked, and that
would be a much bigger patch.
So this at least avoids the FOLL_FORCE | FOLL_WRITE combination that
made one of my experimental validation patches trigger a warning. That
warning was a false positive (and my experimental patch was incomplete
anyway), but it all made me look at this and decide to clean at least
this small case up.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
mm/gup.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/mm/gup.c b/mm/gup.c
index df83182ec72d5..af8edadc05d1b 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1653,20 +1653,22 @@ long populate_vma_page_range(struct vm_area_struct *vma,
if (vma->vm_flags & VM_LOCKONFAULT)
return nr_pages;
+ /* ... similarly, we've never faulted in PROT_NONE pages */
+ if (!vma_is_accessible(vma))
+ return -EFAULT;
+
gup_flags = FOLL_TOUCH;
/*
* We want to touch writable mappings with a write fault in order
* to break COW, except for shared mappings because these don't COW
* and we would not want to dirty them for nothing.
+ *
+ * Otherwise, do a read fault, and use FOLL_FORCE in case it's not
+ * readable (ie write-only or executable).
*/
if ((vma->vm_flags & (VM_WRITE | VM_SHARED)) == VM_WRITE)
gup_flags |= FOLL_WRITE;
-
- /*
- * We want mlock to succeed for regions that have any permissions
- * other than PROT_NONE.
- */
- if (vma_is_accessible(vma))
+ else
gup_flags |= FOLL_FORCE;
if (locked)
--
GitLab
From 625aefac340f45a4fc60908da763f437599a0d6f Mon Sep 17 00:00:00 2001
From: Michael Krummsdorf <michael.krummsdorf@tq-group.com>
Date: Tue, 26 Mar 2024 13:36:54 +0100
Subject: [PATCH 1841/2686] net: dsa: mv88e6xxx: fix usable ports on 88e6020
The switch has 4 ports with 2 internal PHYs, but ports are numbered up
to 6, with ports 0, 1, 5 and 6 being usable.
Fixes: 71d94a432a15 ("net: dsa: mv88e6xxx: add support for MV88E6020 switch")
Signed-off-by: Michael Krummsdorf <michael.krummsdorf@tq-group.com>
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240326123655.40666-1-matthias.schiffer@ew.tq-group.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/dsa/mv88e6xxx/chip.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 9ed1821184ece..c95787cb90867 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -5503,8 +5503,12 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.family = MV88E6XXX_FAMILY_6250,
.name = "Marvell 88E6020",
.num_databases = 64,
- .num_ports = 4,
+ /* Ports 2-4 are not routed to pins
+ * => usable ports 0, 1, 5, 6
+ */
+ .num_ports = 7,
.num_internal_phys = 2,
+ .invalid_port_mask = BIT(2) | BIT(3) | BIT(4),
.max_vid = 4095,
.port_base_addr = 0x8,
.phy_base_addr = 0x0,
--
GitLab
From 62fc3357e079a07a22465b9b6ef71bb6ea75ee4b Mon Sep 17 00:00:00 2001
From: Mahmoud Adam <mngyadam@amazon.com>
Date: Tue, 26 Mar 2024 16:31:33 +0100
Subject: [PATCH 1842/2686] net/rds: fix possible cp null dereference
cp might be null, calling cp->cp_conn would produce null dereference
[Simon Horman adds:]
Analysis:
* cp is a parameter of __rds_rdma_map and is not reassigned.
* The following call-sites pass a NULL cp argument to __rds_rdma_map()
- rds_get_mr()
- rds_get_mr_for_dest
* Prior to the code above, the following assumes that cp may be NULL
(which is indicative, but could itself be unnecessary)
trans_private = rs->rs_transport->get_mr(
sg, nents, rs, &mr->r_key, cp ? cp->cp_conn : NULL,
args->vec.addr, args->vec.bytes,
need_odp ? ODP_ZEROBASED : ODP_NOT_NEEDED);
* The code modified by this patch is guarded by IS_ERR(trans_private),
where trans_private is assigned as per the previous point in this analysis.
The only implementation of get_mr that I could locate is rds_ib_get_mr()
which can return an ERR_PTR if the conn (4th) argument is NULL.
* ret is set to PTR_ERR(trans_private).
rds_ib_get_mr can return ERR_PTR(-ENODEV) if the conn (4th) argument is NULL.
Thus ret may be -ENODEV in which case the code in question will execute.
Conclusion:
* cp may be NULL at the point where this patch adds a check;
this patch does seem to address a possible bug
Fixes: c055fc00c07b ("net/rds: fix WARNING in rds_conn_connect_if_down")
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Mahmoud Adam <mngyadam@amazon.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240326153132.55580-1-mngyadam@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/rds/rdma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index a4e3c5de998be..00dbcd4d28e68 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -302,7 +302,7 @@ static int __rds_rdma_map(struct rds_sock *rs, struct rds_get_mr_args *args,
}
ret = PTR_ERR(trans_private);
/* Trigger connection so that its ready for the next retry */
- if (ret == -ENODEV)
+ if (ret == -ENODEV && cp)
rds_conn_connect_if_down(cp->cp_conn);
goto out;
}
--
GitLab
From 4535e1a4174c4111d92c5a9a21e542d232e0fcaa Mon Sep 17 00:00:00 2001
From: "Borislav Petkov (AMD)" <bp@alien8.de>
Date: Thu, 28 Mar 2024 13:59:05 +0100
Subject: [PATCH 1843/2686] x86/bugs: Fix the SRSO mitigation on Zen3/4
The original version of the mitigation would patch in the calls to the
untraining routines directly. That is, the alternative() in UNTRAIN_RET
will patch in the CALL to srso_alias_untrain_ret() directly.
However, even if commit e7c25c441e9e ("x86/cpu: Cleanup the untrain
mess") meant well in trying to clean up the situation, due to micro-
architectural reasons, the untraining routine srso_alias_untrain_ret()
must be the target of a CALL instruction and not of a JMP instruction as
it is done now.
Reshuffle the alternative macros to accomplish that.
Fixes: e7c25c441e9e ("x86/cpu: Cleanup the untrain mess")
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/x86/include/asm/asm-prototypes.h | 1 +
arch/x86/include/asm/nospec-branch.h | 21 ++++++++++++++++-----
arch/x86/lib/retpoline.S | 11 ++++++-----
3 files changed, 23 insertions(+), 10 deletions(-)
diff --git a/arch/x86/include/asm/asm-prototypes.h b/arch/x86/include/asm/asm-prototypes.h
index 076bf8dee7026..25466c4d21348 100644
--- a/arch/x86/include/asm/asm-prototypes.h
+++ b/arch/x86/include/asm/asm-prototypes.h
@@ -14,6 +14,7 @@
#include <asm/asm.h>
#include <asm/fred.h>
#include <asm/gsseg.h>
+#include <asm/nospec-branch.h>
#ifndef CONFIG_X86_CMPXCHG64
extern void cmpxchg8b_emu(void);
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
index fc3a8a3c7ffee..170c89ed22fcd 100644
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -262,11 +262,20 @@
.Lskip_rsb_\@:
.endm
+/*
+ * The CALL to srso_alias_untrain_ret() must be patched in directly at
+ * the spot where untraining must be done, ie., srso_alias_untrain_ret()
+ * must be the target of a CALL instruction instead of indirectly
+ * jumping to a wrapper which then calls it. Therefore, this macro is
+ * called outside of __UNTRAIN_RET below, for the time being, before the
+ * kernel can support nested alternatives with arbitrary nesting.
+ */
+.macro CALL_UNTRAIN_RET
#if defined(CONFIG_MITIGATION_UNRET_ENTRY) || defined(CONFIG_MITIGATION_SRSO)
-#define CALL_UNTRAIN_RET "call entry_untrain_ret"
-#else
-#define CALL_UNTRAIN_RET ""
+ ALTERNATIVE_2 "", "call entry_untrain_ret", X86_FEATURE_UNRET, \
+ "call srso_alias_untrain_ret", X86_FEATURE_SRSO_ALIAS
#endif
+.endm
/*
* Mitigate RETBleed for AMD/Hygon Zen uarch. Requires KERNEL CR3 because the
@@ -282,8 +291,8 @@
.macro __UNTRAIN_RET ibpb_feature, call_depth_insns
#if defined(CONFIG_MITIGATION_RETHUNK) || defined(CONFIG_MITIGATION_IBPB_ENTRY)
VALIDATE_UNRET_END
- ALTERNATIVE_3 "", \
- CALL_UNTRAIN_RET, X86_FEATURE_UNRET, \
+ CALL_UNTRAIN_RET
+ ALTERNATIVE_2 "", \
"call entry_ibpb", \ibpb_feature, \
__stringify(\call_depth_insns), X86_FEATURE_CALL_DEPTH
#endif
@@ -342,6 +351,8 @@ extern void retbleed_return_thunk(void);
static inline void retbleed_return_thunk(void) {}
#endif
+extern void srso_alias_untrain_ret(void);
+
#ifdef CONFIG_MITIGATION_SRSO
extern void srso_return_thunk(void);
extern void srso_alias_return_thunk(void);
diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S
index 721b528da9ace..02cde194a99e6 100644
--- a/arch/x86/lib/retpoline.S
+++ b/arch/x86/lib/retpoline.S
@@ -163,6 +163,7 @@ SYM_CODE_START_NOALIGN(srso_alias_untrain_ret)
lfence
jmp srso_alias_return_thunk
SYM_FUNC_END(srso_alias_untrain_ret)
+__EXPORT_THUNK(srso_alias_untrain_ret)
.popsection
.pushsection .text..__x86.rethunk_safe
@@ -224,10 +225,12 @@ SYM_CODE_START(srso_return_thunk)
SYM_CODE_END(srso_return_thunk)
#define JMP_SRSO_UNTRAIN_RET "jmp srso_untrain_ret"
-#define JMP_SRSO_ALIAS_UNTRAIN_RET "jmp srso_alias_untrain_ret"
#else /* !CONFIG_MITIGATION_SRSO */
+/* Dummy for the alternative in CALL_UNTRAIN_RET. */
+SYM_CODE_START(srso_alias_untrain_ret)
+ RET
+SYM_FUNC_END(srso_alias_untrain_ret)
#define JMP_SRSO_UNTRAIN_RET "ud2"
-#define JMP_SRSO_ALIAS_UNTRAIN_RET "ud2"
#endif /* CONFIG_MITIGATION_SRSO */
#ifdef CONFIG_MITIGATION_UNRET_ENTRY
@@ -319,9 +322,7 @@ SYM_FUNC_END(retbleed_untrain_ret)
#if defined(CONFIG_MITIGATION_UNRET_ENTRY) || defined(CONFIG_MITIGATION_SRSO)
SYM_FUNC_START(entry_untrain_ret)
- ALTERNATIVE_2 JMP_RETBLEED_UNTRAIN_RET, \
- JMP_SRSO_UNTRAIN_RET, X86_FEATURE_SRSO, \
- JMP_SRSO_ALIAS_UNTRAIN_RET, X86_FEATURE_SRSO_ALIAS
+ ALTERNATIVE JMP_RETBLEED_UNTRAIN_RET, JMP_SRSO_UNTRAIN_RET, X86_FEATURE_SRSO
SYM_FUNC_END(entry_untrain_ret)
__EXPORT_THUNK(entry_untrain_ret)
--
GitLab
From b1f532a3b1e6d2e5559c7ace49322922637a28aa Mon Sep 17 00:00:00 2001
From: Sven Eckelmann <sven@narfation.org>
Date: Mon, 12 Feb 2024 13:58:33 +0100
Subject: [PATCH 1844/2686] batman-adv: Avoid infinite loop trying to resize
local TT
If the MTU of one of an attached interface becomes too small to transmit
the local translation table then it must be resized to fit inside all
fragments (when enabled) or a single packet.
But if the MTU becomes too low to transmit even the header + the VLAN
specific part then the resizing of the local TT will never succeed. This
can for example happen when the usable space is 110 bytes and 11 VLANs are
on top of batman-adv. In this case, at least 116 byte would be needed.
There will just be an endless spam of
batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (110)
in the log but the function will never finish. Problem here is that the
timeout will be halved all the time and will then stagnate at 0 and
therefore never be able to reduce the table even more.
There are other scenarios possible with a similar result. The number of
BATADV_TT_CLIENT_NOPURGE entries in the local TT can for example be too
high to fit inside a packet. Such a scenario can therefore happen also with
only a single VLAN + 7 non-purgable addresses - requiring at least 120
bytes.
While this should be handled proactively when:
* interface with too low MTU is added
* VLAN is added
* non-purgeable local mac is added
* MTU of an attached interface is reduced
* fragmentation setting gets disabled (which most likely requires dropping
attached interfaces)
not all of these scenarios can be prevented because batman-adv is only
consuming events without the the possibility to prevent these actions
(non-purgable MAC address added, MTU of an attached interface is reduced).
It is therefore necessary to also make sure that the code is able to handle
also the situations when there were already incompatible system
configuration are present.
Cc: stable@vger.kernel.org
Fixes: a19d3d85e1b8 ("batman-adv: limit local translation table max size")
Reported-by: syzbot+a6a4b5bb3da165594cff@syzkaller.appspotmail.com
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
---
net/batman-adv/translation-table.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index b95c36765d045..2243cec18ecc8 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -3948,7 +3948,7 @@ void batadv_tt_local_resize_to_mtu(struct net_device *soft_iface)
spin_lock_bh(&bat_priv->tt.commit_lock);
- while (true) {
+ while (timeout) {
table_size = batadv_tt_local_table_transmit_size(bat_priv);
if (packet_size_max >= table_size)
break;
--
GitLab
From 5086f0fe46dcf8687c8c2e41e1f07826affebbba Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Thu, 28 Mar 2024 17:34:48 +0000
Subject: [PATCH 1845/2686] net: do not consume a cacheline for
system_page_pool
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
There is no reason to consume a full cacheline to store system_page_pool.
We can eventually move it to softnet_data later for full locality control.
Fixes: 2b0cfa6e4956 ("net: add generic percpu page_pool allocator")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/20240328173448.2262593-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/core/dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/core/dev.c b/net/core/dev.c
index 9a67003e49db8..984ff8b9d0e1a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -429,7 +429,7 @@ EXPORT_PER_CPU_SYMBOL(softnet_data);
* PP consumers must pay attention to run APIs in the appropriate context
* (e.g. NAPI context).
*/
-static DEFINE_PER_CPU_ALIGNED(struct page_pool *, system_page_pool);
+static DEFINE_PER_CPU(struct page_pool *, system_page_pool);
#ifdef CONFIG_LOCKDEP
/*
--
GitLab
From e709acbd84fb6ef32736331b0147f027a3ef4c20 Mon Sep 17 00:00:00 2001
From: Su Hui <suhui@nfschina.com>
Date: Thu, 28 Mar 2024 10:06:21 +0800
Subject: [PATCH 1846/2686] octeontx2-pf: check negative error code in
otx2_open()
otx2_rxtx_enable() return negative error code such as -EIO,
check -EIO rather than EIO to fix this problem.
Fixes: c926252205c4 ("octeontx2-pf: Disable packet I/O for graceful exit")
Signed-off-by: Su Hui <suhui@nfschina.com>
Reviewed-by: Subbaraya Sundeep <sbhatta@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://lore.kernel.org/r/20240328020620.4054692-1-suhui@nfschina.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index b40bd0e467514..3f46d5e0fb2ec 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -1933,7 +1933,7 @@ int otx2_open(struct net_device *netdev)
* mcam entries are enabled to receive the packets. Hence disable the
* packet I/O.
*/
- if (err == EIO)
+ if (err == -EIO)
goto err_disable_rxtx;
else if (err)
goto err_tx_stop_queues;
--
GitLab
From 5e864d90b20803edf6bd44a99fb9afa7171785f2 Mon Sep 17 00:00:00 2001
From: Atlas Yu <atlas.yu@canonical.com>
Date: Thu, 28 Mar 2024 13:51:52 +0800
Subject: [PATCH 1847/2686] r8169: skip DASH fw status checks when DASH is
disabled
On devices that support DASH, the current code in the "rtl_loop_wait" function
raises false alarms when DASH is disabled. This occurs because the function
attempts to wait for the DASH firmware to be ready, even though it's not
relevant in this case.
r8169 0000:0c:00.0 eth0: RTL8168ep/8111ep, 38:7c:76:49:08:d9, XID 502, IRQ 86
r8169 0000:0c:00.0 eth0: jumbo features [frames: 9194 bytes, tx checksumming: ko]
r8169 0000:0c:00.0 eth0: DASH disabled
...
r8169 0000:0c:00.0 eth0: rtl_ep_ocp_read_cond == 0 (loop: 30, delay: 10000).
This patch modifies the driver start/stop functions to skip checking the DASH
firmware status when DASH is explicitly disabled. This prevents unnecessary
delays and false alarms.
The patch has been tested on several ThinkStation P8/PX workstations.
Fixes: 0ab0c45d8aae ("r8169: add handling DASH when DASH is disabled")
Signed-off-by: Atlas Yu <atlas.yu@canonical.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/20240328055152.18443-1-atlas.yu@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/realtek/r8169_main.c | 31 ++++++++++++++++++++---
1 file changed, 27 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 5c879a5c86d70..4ac444eb269ff 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -1314,17 +1314,40 @@ static void rtl8168ep_stop_cmac(struct rtl8169_private *tp)
RTL_W8(tp, IBCR0, RTL_R8(tp, IBCR0) & ~0x01);
}
+static void rtl_dash_loop_wait(struct rtl8169_private *tp,
+ const struct rtl_cond *c,
+ unsigned long usecs, int n, bool high)
+{
+ if (!tp->dash_enabled)
+ return;
+ rtl_loop_wait(tp, c, usecs, n, high);
+}
+
+static void rtl_dash_loop_wait_high(struct rtl8169_private *tp,
+ const struct rtl_cond *c,
+ unsigned long d, int n)
+{
+ rtl_dash_loop_wait(tp, c, d, n, true);
+}
+
+static void rtl_dash_loop_wait_low(struct rtl8169_private *tp,
+ const struct rtl_cond *c,
+ unsigned long d, int n)
+{
+ rtl_dash_loop_wait(tp, c, d, n, false);
+}
+
static void rtl8168dp_driver_start(struct rtl8169_private *tp)
{
r8168dp_oob_notify(tp, OOB_CMD_DRIVER_START);
- rtl_loop_wait_high(tp, &rtl_dp_ocp_read_cond, 10000, 10);
+ rtl_dash_loop_wait_high(tp, &rtl_dp_ocp_read_cond, 10000, 10);
}
static void rtl8168ep_driver_start(struct rtl8169_private *tp)
{
r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_START);
r8168ep_ocp_write(tp, 0x01, 0x30, r8168ep_ocp_read(tp, 0x30) | 0x01);
- rtl_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10000, 30);
+ rtl_dash_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10000, 30);
}
static void rtl8168_driver_start(struct rtl8169_private *tp)
@@ -1338,7 +1361,7 @@ static void rtl8168_driver_start(struct rtl8169_private *tp)
static void rtl8168dp_driver_stop(struct rtl8169_private *tp)
{
r8168dp_oob_notify(tp, OOB_CMD_DRIVER_STOP);
- rtl_loop_wait_low(tp, &rtl_dp_ocp_read_cond, 10000, 10);
+ rtl_dash_loop_wait_low(tp, &rtl_dp_ocp_read_cond, 10000, 10);
}
static void rtl8168ep_driver_stop(struct rtl8169_private *tp)
@@ -1346,7 +1369,7 @@ static void rtl8168ep_driver_stop(struct rtl8169_private *tp)
rtl8168ep_stop_cmac(tp);
r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_STOP);
r8168ep_ocp_write(tp, 0x01, 0x30, r8168ep_ocp_read(tp, 0x30) | 0x01);
- rtl_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10000, 10);
+ rtl_dash_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10000, 10);
}
static void rtl8168_driver_stop(struct rtl8169_private *tp)
--
GitLab
From 17af420545a750f763025149fa7b833a4fc8b8f0 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Thu, 28 Mar 2024 11:22:48 +0000
Subject: [PATCH 1848/2686] erspan: make sure erspan_base_hdr is present in
skb->head
syzbot reported a problem in ip6erspan_rcv() [1]
Issue is that ip6erspan_rcv() (and erspan_rcv()) no longer make
sure erspan_base_hdr is present in skb linear part (skb->head)
before getting @ver field from it.
Add the missing pskb_may_pull() calls.
v2: Reload iph pointer in erspan_rcv() after pskb_may_pull()
because skb->head might have changed.
[1]
BUG: KMSAN: uninit-value in pskb_may_pull_reason include/linux/skbuff.h:2742 [inline]
BUG: KMSAN: uninit-value in pskb_may_pull include/linux/skbuff.h:2756 [inline]
BUG: KMSAN: uninit-value in ip6erspan_rcv net/ipv6/ip6_gre.c:541 [inline]
BUG: KMSAN: uninit-value in gre_rcv+0x11f8/0x1930 net/ipv6/ip6_gre.c:610
pskb_may_pull_reason include/linux/skbuff.h:2742 [inline]
pskb_may_pull include/linux/skbuff.h:2756 [inline]
ip6erspan_rcv net/ipv6/ip6_gre.c:541 [inline]
gre_rcv+0x11f8/0x1930 net/ipv6/ip6_gre.c:610
ip6_protocol_deliver_rcu+0x1d4c/0x2ca0 net/ipv6/ip6_input.c:438
ip6_input_finish net/ipv6/ip6_input.c:483 [inline]
NF_HOOK include/linux/netfilter.h:314 [inline]
ip6_input+0x15d/0x430 net/ipv6/ip6_input.c:492
ip6_mc_input+0xa7e/0xc80 net/ipv6/ip6_input.c:586
dst_input include/net/dst.h:460 [inline]
ip6_rcv_finish+0x955/0x970 net/ipv6/ip6_input.c:79
NF_HOOK include/linux/netfilter.h:314 [inline]
ipv6_rcv+0xde/0x390 net/ipv6/ip6_input.c:310
__netif_receive_skb_one_core net/core/dev.c:5538 [inline]
__netif_receive_skb+0x1da/0xa00 net/core/dev.c:5652
netif_receive_skb_internal net/core/dev.c:5738 [inline]
netif_receive_skb+0x58/0x660 net/core/dev.c:5798
tun_rx_batched+0x3ee/0x980 drivers/net/tun.c:1549
tun_get_user+0x5566/0x69e0 drivers/net/tun.c:2002
tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048
call_write_iter include/linux/fs.h:2108 [inline]
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0xb63/0x1520 fs/read_write.c:590
ksys_write+0x20f/0x4c0 fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__x64_sys_write+0x93/0xe0 fs/read_write.c:652
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
Uninit was created at:
slab_post_alloc_hook mm/slub.c:3804 [inline]
slab_alloc_node mm/slub.c:3845 [inline]
kmem_cache_alloc_node+0x613/0xc50 mm/slub.c:3888
kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:577
__alloc_skb+0x35b/0x7a0 net/core/skbuff.c:668
alloc_skb include/linux/skbuff.h:1318 [inline]
alloc_skb_with_frags+0xc8/0xbf0 net/core/skbuff.c:6504
sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2795
tun_alloc_skb drivers/net/tun.c:1525 [inline]
tun_get_user+0x209a/0x69e0 drivers/net/tun.c:1846
tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048
call_write_iter include/linux/fs.h:2108 [inline]
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0xb63/0x1520 fs/read_write.c:590
ksys_write+0x20f/0x4c0 fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__x64_sys_write+0x93/0xe0 fs/read_write.c:652
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
CPU: 1 PID: 5045 Comm: syz-executor114 Not tainted 6.9.0-rc1-syzkaller-00021-g962490525cff #0
Fixes: cb73ee40b1b3 ("net: ip_gre: use erspan key field for tunnel lookup")
Reported-by: syzbot+1c1cf138518bf0c53d68@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/000000000000772f2c0614b66ef7@google.com/
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/20240328112248.1101491-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/ipv4/ip_gre.c | 5 +++++
net/ipv6/ip6_gre.c | 3 +++
2 files changed, 8 insertions(+)
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 7b16c211b9044..57ddcd8c62f67 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -280,8 +280,13 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi,
tpi->flags | TUNNEL_NO_KEY,
iph->saddr, iph->daddr, 0);
} else {
+ if (unlikely(!pskb_may_pull(skb,
+ gre_hdr_len + sizeof(*ershdr))))
+ return PACKET_REJECT;
+
ershdr = (struct erspan_base_hdr *)(skb->data + gre_hdr_len);
ver = ershdr->ver;
+ iph = ip_hdr(skb);
tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex,
tpi->flags | TUNNEL_KEY,
iph->saddr, iph->daddr, tpi->key);
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index ca7e77e842835..c89aef524df9a 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -528,6 +528,9 @@ static int ip6erspan_rcv(struct sk_buff *skb,
struct ip6_tnl *tunnel;
u8 ver;
+ if (unlikely(!pskb_may_pull(skb, sizeof(*ershdr))))
+ return PACKET_REJECT;
+
ipv6h = ipv6_hdr(skb);
ershdr = (struct erspan_base_hdr *)skb->data;
ver = ershdr->ver;
--
GitLab
From 8ecab2e64572f1aecdfc5a8feae748abda6e3347 Mon Sep 17 00:00:00 2001
From: Mark Rutland <mark.rutland@arm.com>
Date: Wed, 20 Mar 2024 14:18:44 +0000
Subject: [PATCH 1849/2686] selftests/ftrace: Fix event filter target_func
selection
The event filter function test has been failing in our internal test
farm:
| # not ok 33 event filter function - test event filtering on functions
Running the test in verbose mode indicates that this is because the test
erroneously determines that kmem_cache_free() is the most common caller
of kmem_cache_free():
# # + cut -d: -f3 trace
# # + sed s/call_site=([^+]*)+0x.*/1/
# # + sort
# # + uniq -c
# # + sort
# # + tail -n 1
# # + sed s/^[ 0-9]*//
# # + target_func=kmem_cache_free
... and as kmem_cache_free() doesn't call itself, setting this as the
filter function for kmem_cache_free() results in no hits, and
consequently the test fails:
# # + grep kmem_cache_free trace
# # + grep kmem_cache_free
# # + wc -l
# # + hitcnt=0
# # + grep kmem_cache_free trace
# # + grep -v kmem_cache_free
# # + wc -l
# # + misscnt=0
# # + [ 0 -eq 0 ]
# # + exit_fail
This seems to be because the system in question has tasks with ':' in
their name (which a number of kernel worker threads have). These show up
in the trace, e.g.
test:.sh-1299 [004] ..... 2886.040608: kmem_cache_free: call_site=putname+0xa4/0xc8 ptr=000000000f4d22f4 name=names_cache
... and so when we try to extact the call_site with:
cut -d: -f3 trace | sed 's/call_site=\([^+]*\)+0x.*/\1/'
... the 'cut' command will extrace the column containing
'kmem_cache_free' rather than the column containing 'call_site=...', and
the 'sed' command will leave this unchanged. Consequently, the test will
decide to use 'kmem_cache_free' as the filter function, resulting in the
failure seen above.
Fix this by matching the 'call_site=<func>' part specifically to extract
the function name.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: Aishwarya TCV <aishwarya.tcv@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Cc: linux-trace-kernel@vger.kernel.org
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
---
.../selftests/ftrace/test.d/filter/event-filter-function.tc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/ftrace/test.d/filter/event-filter-function.tc b/tools/testing/selftests/ftrace/test.d/filter/event-filter-function.tc
index 2de7c61d1ae30..3f74c09c56b62 100644
--- a/tools/testing/selftests/ftrace/test.d/filter/event-filter-function.tc
+++ b/tools/testing/selftests/ftrace/test.d/filter/event-filter-function.tc
@@ -24,7 +24,7 @@ echo 0 > events/enable
echo "Get the most frequently calling function"
sample_events
-target_func=`cut -d: -f3 trace | sed 's/call_site=\([^+]*\)+0x.*/\1/' | sort | uniq -c | sort | tail -n 1 | sed 's/^[ 0-9]*//'`
+target_func=`cat trace | grep -o 'call_site=\([^+]*\)' | sed 's/call_site=//' | sort | uniq -c | sort | tail -n 1 | sed 's/^[ 0-9]*//'`
if [ -z "$target_func" ]; then
exit_fail
fi
--
GitLab
From 7155cc454430cc855c333a4a267688f3bd1277f7 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@kernel.org>
Date: Mon, 25 Mar 2024 16:57:59 +0000
Subject: [PATCH 1850/2686] selftests/seccomp: Try to fit runtime of benchmark
into timeout
The seccomp benchmark runs five scenarios, one calibration run with no
seccomp filters enabled then four further runs each adding a filter. The
calibration run times itself for 15s and then each additional run executes
for the same number of times.
Currently the seccomp tests, including the benchmark, run with an extended
120s timeout but this is not sufficient to robustly run the tests on a lot
of platforms. Sample timings from some recent runs:
Platform Run 1 Run 2 Run 3 Run 4
--------- ----- ----- ----- -----
PowerEdge R200 16.6s 16.6s 31.6s 37.4s
BBB (arm) 20.4s 20.4s 54.5s
Synquacer (arm64) 20.7s 23.7s 40.3s
The x86 runs from the PowerEdge are quite marginal and routinely fail, for
the successful run reported here the timed portions of the run are at
117.2s leaving less than 3s of margin which is frequently breached. The
added overhead of adding filters on the other platforms is such that there
is no prospect of their runs fitting into the 120s timeout, especially
on 32 bit arm where there is no BPF JIT.
While we could lower the time we calibrate for I'm also already seeing the
currently completing runs reporting issues with the per filter overheads
not matching expectations:
Let's instead raise the timeout to 180s which is only a 50% increase on the
current timeout which is itself not *too* large given that there's only two
tests in this suite.
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
---
tools/testing/selftests/seccomp/settings | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/seccomp/settings b/tools/testing/selftests/seccomp/settings
index 6091b45d226ba..a953c96aa16e1 100644
--- a/tools/testing/selftests/seccomp/settings
+++ b/tools/testing/selftests/seccomp/settings
@@ -1 +1 @@
-timeout=120
+timeout=180
--
GitLab
From 224fe424c356cb5c8f451eca4127f32099a6f764 Mon Sep 17 00:00:00 2001
From: Muhammad Usama Anjum <usama.anjum@collabora.com>
Date: Tue, 5 Mar 2024 11:08:47 +0500
Subject: [PATCH 1851/2686] selftests: dmabuf-heap: add config file for the
test
The config fragment enlists all the config options needed for the test.
This config is merged into the kernel's config on which this test is
run.
Fixed whitespace errors during commit:
Shuah Khan <skhan@linuxfoundation.org>
Reviewed-by: T.J. Mercier <tjmercier@google.com>
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
---
tools/testing/selftests/dmabuf-heaps/config | 3 +++
1 file changed, 3 insertions(+)
create mode 100644 tools/testing/selftests/dmabuf-heaps/config
diff --git a/tools/testing/selftests/dmabuf-heaps/config b/tools/testing/selftests/dmabuf-heaps/config
new file mode 100644
index 0000000000000..be091f1cdfa04
--- /dev/null
+++ b/tools/testing/selftests/dmabuf-heaps/config
@@ -0,0 +1,3 @@
+CONFIG_DMABUF_HEAPS=y
+CONFIG_DMABUF_HEAPS_SYSTEM=y
+CONFIG_DRM_VGEM=y
--
GitLab
From 0640f47b742667fca6aac174f7cd62b6c2c7532c Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan+linaro@kernel.org>
Date: Wed, 13 Mar 2024 17:43:05 +0100
Subject: [PATCH 1852/2686] drm/msm/dp: fix runtime PM leak on disconnect
Make sure to put the runtime PM usage count (and suspend) also when
receiving a disconnect event while in the ST_MAINLINK_READY state.
This specifically avoids leaking a runtime PM usage count on every
disconnect with display servers that do not automatically enable
external displays when receiving a hotplug notification.
Fixes: 5814b8bf086a ("drm/msm/dp: incorporate pm_runtime framework into DP driver")
Cc: stable@vger.kernel.org # 6.8
Cc: Kuogee Hsieh <quic_khsieh@quicinc.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/582744/
Link: https://lore.kernel.org/r/20240313164306.23133-2-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
---
drivers/gpu/drm/msm/dp/dp_display.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index d80f89581760d..ffa785ec641aa 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -629,6 +629,7 @@ static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data)
dp_display_host_phy_exit(dp);
dp->hpd_state = ST_DISCONNECTED;
dp_display_notify_disconnect(&dp->dp_display.pdev->dev);
+ pm_runtime_put_sync(&pdev->dev);
mutex_unlock(&dp->event_mutex);
return 0;
}
--
GitLab
From e86750b01a1560f198e4b3e21bb3f78bfd5bb2c3 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan+linaro@kernel.org>
Date: Wed, 13 Mar 2024 17:43:06 +0100
Subject: [PATCH 1853/2686] drm/msm/dp: fix runtime PM leak on connect failure
Make sure to balance the runtime PM usage counter (and suspend) before
returning on connect failures (e.g. DPCD read failures after a spurious
connect event or if link training fails).
Fixes: 5814b8bf086a ("drm/msm/dp: incorporate pm_runtime framework into DP driver")
Cc: stable@vger.kernel.org # 6.8
Cc: Kuogee Hsieh <quic_khsieh@quicinc.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/582746/
Link: https://lore.kernel.org/r/20240313164306.23133-3-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
---
drivers/gpu/drm/msm/dp/dp_display.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index ffa785ec641aa..2ed40bd0acb60 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -572,6 +572,7 @@ static int dp_hpd_plug_handle(struct dp_display_private *dp, u32 data)
ret = dp_display_usbpd_configure_cb(&pdev->dev);
if (ret) { /* link train failed */
dp->hpd_state = ST_DISCONNECTED;
+ pm_runtime_put_sync(&pdev->dev);
} else {
dp->hpd_state = ST_MAINLINK_READY;
}
--
GitLab
From c588f7d67044d6d59ef92d75a970b64929984d89 Mon Sep 17 00:00:00 2001
From: Stephen Boyd <swboyd@chromium.org>
Date: Mon, 25 Mar 2024 14:08:09 -0700
Subject: [PATCH 1854/2686] drm/msm: Add newlines to some debug prints
These debug prints are missing newlines, leading to multiple messages
being printed on one line and hard to read logs. Add newlines to have
the debug prints on separate lines. The DBG macro used to add a newline,
but I missed that while migrating to drm_dbg wrappers.
Fixes: 7cb017db1896 ("drm/msm: Move FB debug prints to drm_dbg_state()")
Fixes: 721c6e0c6aed ("drm/msm: Move vblank debug prints to drm_dbg_vbl()")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/584769/
Link: https://lore.kernel.org/r/20240325210810.1340820-1-swboyd@chromium.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
---
drivers/gpu/drm/msm/msm_fb.c | 6 +++---
drivers/gpu/drm/msm/msm_kms.c | 4 ++--
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_fb.c b/drivers/gpu/drm/msm/msm_fb.c
index e3f61c39df69b..80166f702a0db 100644
--- a/drivers/gpu/drm/msm/msm_fb.c
+++ b/drivers/gpu/drm/msm/msm_fb.c
@@ -89,7 +89,7 @@ int msm_framebuffer_prepare(struct drm_framebuffer *fb,
for (i = 0; i < n; i++) {
ret = msm_gem_get_and_pin_iova(fb->obj[i], aspace, &msm_fb->iova[i]);
- drm_dbg_state(fb->dev, "FB[%u]: iova[%d]: %08llx (%d)",
+ drm_dbg_state(fb->dev, "FB[%u]: iova[%d]: %08llx (%d)\n",
fb->base.id, i, msm_fb->iova[i], ret);
if (ret)
return ret;
@@ -176,7 +176,7 @@ static struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev,
const struct msm_format *format;
int ret, i, n;
- drm_dbg_state(dev, "create framebuffer: mode_cmd=%p (%dx%d@%4.4s)",
+ drm_dbg_state(dev, "create framebuffer: mode_cmd=%p (%dx%d@%4.4s)\n",
mode_cmd, mode_cmd->width, mode_cmd->height,
(char *)&mode_cmd->pixel_format);
@@ -232,7 +232,7 @@ static struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev,
refcount_set(&msm_fb->dirtyfb, 1);
- drm_dbg_state(dev, "create: FB ID: %d (%p)", fb->base.id, fb);
+ drm_dbg_state(dev, "create: FB ID: %d (%p)\n", fb->base.id, fb);
return fb;
diff --git a/drivers/gpu/drm/msm/msm_kms.c b/drivers/gpu/drm/msm/msm_kms.c
index 84c21ec2ceeae..af6a6fcb11736 100644
--- a/drivers/gpu/drm/msm/msm_kms.c
+++ b/drivers/gpu/drm/msm/msm_kms.c
@@ -149,7 +149,7 @@ int msm_crtc_enable_vblank(struct drm_crtc *crtc)
struct msm_kms *kms = priv->kms;
if (!kms)
return -ENXIO;
- drm_dbg_vbl(dev, "crtc=%u", crtc->base.id);
+ drm_dbg_vbl(dev, "crtc=%u\n", crtc->base.id);
return vblank_ctrl_queue_work(priv, crtc, true);
}
@@ -160,7 +160,7 @@ void msm_crtc_disable_vblank(struct drm_crtc *crtc)
struct msm_kms *kms = priv->kms;
if (!kms)
return;
- drm_dbg_vbl(dev, "crtc=%u", crtc->base.id);
+ drm_dbg_vbl(dev, "crtc=%u\n", crtc->base.id);
vblank_ctrl_queue_work(priv, crtc, false);
}
--
GitLab
From 4f3b77ae5ff5b5ba9d99c5d5450db388dbee5107 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Thu, 14 Mar 2024 03:10:41 +0200
Subject: [PATCH 1855/2686] drm/msm/dpu: don't allow overriding data from
catalog
The data from catalog is marked as const, so it is a part of the RO
segment. Allowing userspace to write to it through debugfs can cause
protection faults. Set debugfs file mode to read-only for debug entries
corresponding to perf_cfg coming from catalog.
Fixes: abda0d925f9c ("drm/msm/dpu: Mark various data tables as const")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/582844/
Link: https://lore.kernel.org/r/20240314-dpu-perf-rework-v3-1-79fa4e065574@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
index ef871239adb2a..68fae048a9a83 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
@@ -459,15 +459,15 @@ int dpu_core_perf_debugfs_init(struct dpu_kms *dpu_kms, struct dentry *parent)
&perf->core_clk_rate);
debugfs_create_u32("enable_bw_release", 0600, entry,
(u32 *)&perf->enable_bw_release);
- debugfs_create_u32("threshold_low", 0600, entry,
+ debugfs_create_u32("threshold_low", 0400, entry,
(u32 *)&perf->perf_cfg->max_bw_low);
- debugfs_create_u32("threshold_high", 0600, entry,
+ debugfs_create_u32("threshold_high", 0400, entry,
(u32 *)&perf->perf_cfg->max_bw_high);
- debugfs_create_u32("min_core_ib", 0600, entry,
+ debugfs_create_u32("min_core_ib", 0400, entry,
(u32 *)&perf->perf_cfg->min_core_ib);
- debugfs_create_u32("min_llcc_ib", 0600, entry,
+ debugfs_create_u32("min_llcc_ib", 0400, entry,
(u32 *)&perf->perf_cfg->min_llcc_ib);
- debugfs_create_u32("min_dram_ib", 0600, entry,
+ debugfs_create_u32("min_dram_ib", 0400, entry,
(u32 *)&perf->perf_cfg->min_dram_ib);
debugfs_create_file("perf_mode", 0600, entry,
(u32 *)perf, &dpu_core_perf_mode_fops);
--
GitLab
From ee15c8bf5d77a306614bdefe33828310662dee05 Mon Sep 17 00:00:00 2001
From: Kuogee Hsieh <quic_khsieh@quicinc.com>
Date: Fri, 29 Mar 2024 12:46:26 -0700
Subject: [PATCH 1856/2686] drm/msm/dp: assign correct DP controller ID to
x1e80100 interface table
At current x1e80100 interface table, interface #3 is wrongly
connected to DP controller #0 and interface #4 wrongly connected
to DP controller #2. Fix this problem by connect Interface #3 to
DP controller #0 and interface #4 connect to DP controller #1.
Also add interface #6, #7 and #8 connections to DP controller to
complete x1e80100 interface table.
Changs in V3:
-- add v2 changes log
Changs in V2:
-- add x1e80100 to subject
-- add Fixes
Fixes: e3b1f369db5a ("drm/msm/dpu: Add X1E80100 support")
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/585549/
Link: https://lore.kernel.org/r/1711741586-9037-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
---
.../msm/disp/dpu1/catalog/dpu_9_2_x1e80100.h | 34 +++++++++++++++++--
1 file changed, 31 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_2_x1e80100.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_2_x1e80100.h
index 9a9f7092c526a..a3e60ac70689e 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_2_x1e80100.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_2_x1e80100.h
@@ -324,6 +324,7 @@ static const struct dpu_wb_cfg x1e80100_wb[] = {
},
};
+/* TODO: INTF 3, 8 and 7 are used for MST, marked as INTF_NONE for now */
static const struct dpu_intf_cfg x1e80100_intf[] = {
{
.name = "intf_0", .id = INTF_0,
@@ -358,8 +359,8 @@ static const struct dpu_intf_cfg x1e80100_intf[] = {
.name = "intf_3", .id = INTF_3,
.base = 0x37000, .len = 0x280,
.features = INTF_SC7280_MASK,
- .type = INTF_DP,
- .controller_id = MSM_DP_CONTROLLER_1,
+ .type = INTF_NONE,
+ .controller_id = MSM_DP_CONTROLLER_0, /* pair with intf_0 for DP MST */
.prog_fetch_lines_worst_case = 24,
.intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 30),
.intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 31),
@@ -368,7 +369,7 @@ static const struct dpu_intf_cfg x1e80100_intf[] = {
.base = 0x38000, .len = 0x280,
.features = INTF_SC7280_MASK,
.type = INTF_DP,
- .controller_id = MSM_DP_CONTROLLER_2,
+ .controller_id = MSM_DP_CONTROLLER_1,
.prog_fetch_lines_worst_case = 24,
.intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 20),
.intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 21),
@@ -381,6 +382,33 @@ static const struct dpu_intf_cfg x1e80100_intf[] = {
.prog_fetch_lines_worst_case = 24,
.intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 22),
.intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 23),
+ }, {
+ .name = "intf_6", .id = INTF_6,
+ .base = 0x3A000, .len = 0x280,
+ .features = INTF_SC7280_MASK,
+ .type = INTF_DP,
+ .controller_id = MSM_DP_CONTROLLER_2,
+ .prog_fetch_lines_worst_case = 24,
+ .intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 17),
+ .intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 16),
+ }, {
+ .name = "intf_7", .id = INTF_7,
+ .base = 0x3b000, .len = 0x280,
+ .features = INTF_SC7280_MASK,
+ .type = INTF_NONE,
+ .controller_id = MSM_DP_CONTROLLER_2, /* pair with intf_6 for DP MST */
+ .prog_fetch_lines_worst_case = 24,
+ .intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 18),
+ .intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 19),
+ }, {
+ .name = "intf_8", .id = INTF_8,
+ .base = 0x3c000, .len = 0x280,
+ .features = INTF_SC7280_MASK,
+ .type = INTF_NONE,
+ .controller_id = MSM_DP_CONTROLLER_1, /* pair with intf_4 for DP MST */
+ .prog_fetch_lines_worst_case = 24,
+ .intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 12),
+ .intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 13),
},
};
--
GitLab
From ea111449501ea32bf6da82750de860243691efc7 Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Tue, 26 Mar 2024 13:42:44 -0700
Subject: [PATCH 1857/2686] tcp: Fix bind() regression for v6-only wildcard and
v4-mapped-v6 non-wildcard addresses.
Commit 5e07e672412b ("tcp: Use bhash2 for v4-mapped-v6 non-wildcard
address.") introduced bind() regression for v4-mapped-v6 address.
When we bind() the following two addresses on the same port, the 2nd
bind() should succeed but fails now.
1. [::] w/ IPV6_ONLY
2. ::ffff:127.0.0.1
After the chagne, v4-mapped-v6 uses bhash2 instead of bhash to
detect conflict faster, but I forgot to add a necessary change.
During the 2nd bind(), inet_bind2_bucket_match_addr_any() returns
the tb2 bucket of [::], and inet_bhash2_conflict() finally calls
inet_bind_conflict(), which returns true, meaning conflict.
inet_bhash2_addr_any_conflict
|- inet_bind2_bucket_match_addr_any <-- return [::] bucket
`- inet_bhash2_conflict
`- __inet_bhash2_conflict <-- checks IPV6_ONLY for AF_INET
| but not for v4-mapped-v6 address
`- inet_bind_conflict <-- does not check address
inet_bind_conflict() does not check socket addresses because
__inet_bhash2_conflict() is expected to do so.
However, it checks IPV6_V6ONLY attribute only against AF_INET
socket, and not for v4-mapped-v6 address.
As a result, v4-mapped-v6 address conflicts with v6-only wildcard
address.
To avoid that, let's add the missing test to use bhash2 for
v4-mapped-v6 address.
Fixes: 5e07e672412b ("tcp: Use bhash2 for v4-mapped-v6 non-wildcard address.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-2-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/ipv4/inet_connection_sock.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index c038e28e2f1e6..4184d45f890c8 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -203,8 +203,15 @@ static bool __inet_bhash2_conflict(const struct sock *sk, struct sock *sk2,
kuid_t sk_uid, bool relax,
bool reuseport_cb_ok, bool reuseport_ok)
{
- if (sk->sk_family == AF_INET && ipv6_only_sock(sk2))
- return false;
+ if (ipv6_only_sock(sk2)) {
+ if (sk->sk_family == AF_INET)
+ return false;
+
+#if IS_ENABLED(CONFIG_IPV6)
+ if (ipv6_addr_v4mapped(&sk->sk_v6_rcv_saddr))
+ return false;
+#endif
+ }
return inet_bind_conflict(sk, sk2, sk_uid, relax,
reuseport_cb_ok, reuseport_ok);
--
GitLab
From d91ef1e1b55f730bee8ce286b02b7bdccbc42973 Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Tue, 26 Mar 2024 13:42:45 -0700
Subject: [PATCH 1858/2686] tcp: Fix bind() regression for v6-only wildcard and
v4(-mapped-v6) non-wildcard addresses.
Jianguo Wu reported another bind() regression introduced by bhash2.
Calling bind() for the following 3 addresses on the same port, the
3rd one should fail but now succeeds.
1. 0.0.0.0 or ::ffff:0.0.0.0
2. [::] w/ IPV6_V6ONLY
3. IPv4 non-wildcard address or v4-mapped-v6 non-wildcard address
The first two bind() create tb2 like this:
bhash2 -> tb2(:: w/ IPV6_V6ONLY) -> tb2(0.0.0.0)
The 3rd bind() will match with the IPv6 only wildcard address bucket
in inet_bind2_bucket_match_addr_any(), however, no conflicting socket
exists in the bucket. So, inet_bhash2_conflict() will returns false,
and thus, inet_bhash2_addr_any_conflict() returns false consequently.
As a result, the 3rd bind() bypasses conflict check, which should be
done against the IPv4 wildcard address bucket.
So, in inet_bhash2_addr_any_conflict(), we must iterate over all buckets.
Note that we cannot add ipv6_only flag for inet_bind2_bucket as it
would confuse the following patetrn.
1. [::] w/ SO_REUSE{ADDR,PORT} and IPV6_V6ONLY
2. [::] w/ SO_REUSE{ADDR,PORT}
3. IPv4 non-wildcard address or v4-mapped-v6 non-wildcard address
The first bind() would create a bucket with ipv6_only flag true,
the second bind() would add the [::] socket into the same bucket,
and the third bind() could succeed based on the wrong assumption
that ipv6_only bucket would not conflict with v4(-mapped-v6) address.
Fixes: 28044fc1d495 ("net: Add a bhash2 table hashed by port and address")
Diagnosed-by: Jianguo Wu <wujianguo106@163.com>
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-3-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/ipv4/inet_connection_sock.c | 19 +++++++++++--------
1 file changed, 11 insertions(+), 8 deletions(-)
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 4184d45f890c8..3b38610958ee4 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -294,6 +294,7 @@ static bool inet_bhash2_addr_any_conflict(const struct sock *sk, int port, int l
struct sock_reuseport *reuseport_cb;
struct inet_bind_hashbucket *head2;
struct inet_bind2_bucket *tb2;
+ bool conflict = false;
bool reuseport_cb_ok;
rcu_read_lock();
@@ -306,18 +307,20 @@ static bool inet_bhash2_addr_any_conflict(const struct sock *sk, int port, int l
spin_lock(&head2->lock);
- inet_bind_bucket_for_each(tb2, &head2->chain)
- if (inet_bind2_bucket_match_addr_any(tb2, net, port, l3mdev, sk))
- break;
+ inet_bind_bucket_for_each(tb2, &head2->chain) {
+ if (!inet_bind2_bucket_match_addr_any(tb2, net, port, l3mdev, sk))
+ continue;
- if (tb2 && inet_bhash2_conflict(sk, tb2, uid, relax, reuseport_cb_ok,
- reuseport_ok)) {
- spin_unlock(&head2->lock);
- return true;
+ if (!inet_bhash2_conflict(sk, tb2, uid, relax, reuseport_cb_ok, reuseport_ok))
+ continue;
+
+ conflict = true;
+ break;
}
spin_unlock(&head2->lock);
- return false;
+
+ return conflict;
}
/*
--
GitLab
From c48baf567dedbba731d66f5a2cd46f1b6def50aa Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Tue, 26 Mar 2024 13:42:46 -0700
Subject: [PATCH 1859/2686] selftest: tcp: Make bind() selftest flexible.
Currently, bind_wildcard.c tests only (IPv4, IPv6) pairs, but we will
add more tests for the same protocol pairs.
This patch makes it possible by changing the address pointer to void.
No functional changes are intended.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-4-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
tools/testing/selftests/net/bind_wildcard.c | 92 +++++++++++++--------
1 file changed, 58 insertions(+), 34 deletions(-)
diff --git a/tools/testing/selftests/net/bind_wildcard.c b/tools/testing/selftests/net/bind_wildcard.c
index a2662348cdb1a..d65c3bb6ba138 100644
--- a/tools/testing/selftests/net/bind_wildcard.c
+++ b/tools/testing/selftests/net/bind_wildcard.c
@@ -6,7 +6,9 @@
#include "../kselftest_harness.h"
-struct in6_addr in6addr_v4mapped_any = {
+static const __u32 in4addr_any = INADDR_ANY;
+static const __u32 in4addr_loopback = INADDR_LOOPBACK;
+static const struct in6_addr in6addr_v4mapped_any = {
.s6_addr = {
0, 0, 0, 0,
0, 0, 0, 0,
@@ -14,8 +16,7 @@ struct in6_addr in6addr_v4mapped_any = {
0, 0, 0, 0
}
};
-
-struct in6_addr in6addr_v4mapped_loopback = {
+static const struct in6_addr in6addr_v4mapped_loopback = {
.s6_addr = {
0, 0, 0, 0,
0, 0, 0, 0,
@@ -26,82 +27,105 @@ struct in6_addr in6addr_v4mapped_loopback = {
FIXTURE(bind_wildcard)
{
- struct sockaddr_in addr4;
- struct sockaddr_in6 addr6;
+ socklen_t addrlen[2];
+ union {
+ struct sockaddr addr;
+ struct sockaddr_in addr4;
+ struct sockaddr_in6 addr6;
+ } addr[2];
};
FIXTURE_VARIANT(bind_wildcard)
{
- const __u32 addr4_const;
- const struct in6_addr *addr6_const;
+ sa_family_t family[2];
+ const void *addr[2];
int expected_errno;
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any)
{
- .addr4_const = INADDR_ANY,
- .addr6_const = &in6addr_any,
+ .family = {AF_INET, AF_INET6},
+ .addr = {&in4addr_any, &in6addr_any},
.expected_errno = EADDRINUSE,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_local)
{
- .addr4_const = INADDR_ANY,
- .addr6_const = &in6addr_loopback,
+ .family = {AF_INET, AF_INET6},
+ .addr = {&in4addr_any, &in6addr_loopback},
.expected_errno = 0,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_v4mapped_any)
{
- .addr4_const = INADDR_ANY,
- .addr6_const = &in6addr_v4mapped_any,
+ .family = {AF_INET, AF_INET6},
+ .addr = {&in4addr_any, &in6addr_v4mapped_any},
.expected_errno = EADDRINUSE,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_v4mapped_local)
{
- .addr4_const = INADDR_ANY,
- .addr6_const = &in6addr_v4mapped_loopback,
+ .family = {AF_INET, AF_INET6},
+ .addr = {&in4addr_any, &in6addr_v4mapped_loopback},
.expected_errno = EADDRINUSE,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any)
{
- .addr4_const = INADDR_LOOPBACK,
- .addr6_const = &in6addr_any,
+ .family = {AF_INET, AF_INET6},
+ .addr = {&in4addr_loopback, &in6addr_any},
.expected_errno = EADDRINUSE,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_local)
{
- .addr4_const = INADDR_LOOPBACK,
- .addr6_const = &in6addr_loopback,
+ .family = {AF_INET, AF_INET6},
+ .addr = {&in4addr_loopback, &in6addr_loopback},
.expected_errno = 0,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_v4mapped_any)
{
- .addr4_const = INADDR_LOOPBACK,
- .addr6_const = &in6addr_v4mapped_any,
+ .family = {AF_INET, AF_INET6},
+ .addr = {&in4addr_loopback, &in6addr_v4mapped_any},
.expected_errno = EADDRINUSE,
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_v4mapped_local)
{
- .addr4_const = INADDR_LOOPBACK,
- .addr6_const = &in6addr_v4mapped_loopback,
+ .family = {AF_INET, AF_INET6},
+ .addr = {&in4addr_loopback, &in6addr_v4mapped_loopback},
.expected_errno = EADDRINUSE,
};
-FIXTURE_SETUP(bind_wildcard)
+static void setup_addr(FIXTURE_DATA(bind_wildcard) *self, int i,
+ int family, const void *addr_const)
{
- self->addr4.sin_family = AF_INET;
- self->addr4.sin_port = htons(0);
- self->addr4.sin_addr.s_addr = htonl(variant->addr4_const);
+ if (family == AF_INET) {
+ struct sockaddr_in *addr4 = &self->addr[i].addr4;
+ const __u32 *addr4_const = addr_const;
+
+ addr4->sin_family = AF_INET;
+ addr4->sin_port = htons(0);
+ addr4->sin_addr.s_addr = htonl(*addr4_const);
+
+ self->addrlen[i] = sizeof(struct sockaddr_in);
+ } else {
+ struct sockaddr_in6 *addr6 = &self->addr[i].addr6;
+ const struct in6_addr *addr6_const = addr_const;
+
+ addr6->sin6_family = AF_INET6;
+ addr6->sin6_port = htons(0);
+ addr6->sin6_addr = *addr6_const;
- self->addr6.sin6_family = AF_INET6;
- self->addr6.sin6_port = htons(0);
- self->addr6.sin6_addr = *variant->addr6_const;
+ self->addrlen[i] = sizeof(struct sockaddr_in6);
+ }
+}
+
+FIXTURE_SETUP(bind_wildcard)
+{
+ setup_addr(self, 0, variant->family[0], variant->addr[0]);
+ setup_addr(self, 1, variant->family[1], variant->addr[1]);
}
FIXTURE_TEARDOWN(bind_wildcard)
@@ -146,15 +170,15 @@ void bind_sockets(struct __test_metadata *_metadata,
TEST_F(bind_wildcard, v4_v6)
{
bind_sockets(_metadata, self, variant->expected_errno,
- (struct sockaddr *)&self->addr4, sizeof(self->addr4),
- (struct sockaddr *)&self->addr6, sizeof(self->addr6));
+ &self->addr[0].addr, self->addrlen[0],
+ &self->addr[1].addr, self->addrlen[1]);
}
TEST_F(bind_wildcard, v6_v4)
{
bind_sockets(_metadata, self, variant->expected_errno,
- (struct sockaddr *)&self->addr6, sizeof(self->addr6),
- (struct sockaddr *)&self->addr4, sizeof(self->addr4));
+ &self->addr[1].addr, self->addrlen[1],
+ &self->addr[0].addr, self->addrlen[0]);
}
TEST_HARNESS_MAIN
--
GitLab
From 6f9bc755c0215501c45897aa5c8b8b56fb65724e Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Tue, 26 Mar 2024 13:42:47 -0700
Subject: [PATCH 1860/2686] selftest: tcp: Define the reverse order bind()
tests explicitly.
Currently, bind_wildcard.c calls bind() twice for two addresses and
checks the pre-defined errno against the 2nd call. Also, the two
bind() calls are swapped to cover various patterns how bind buckets
are created.
However, only testing two addresses is insufficient to detect regression.
So, we will add more bind() calls, and then, we need to define different
errno for each bind() per test case.
As a prepartion, let's define the reverse order bind() test cases as
fixtures.
No functional changes are intended.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-5-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
tools/testing/selftests/net/bind_wildcard.c | 67 ++++++++++++++++++---
1 file changed, 59 insertions(+), 8 deletions(-)
diff --git a/tools/testing/selftests/net/bind_wildcard.c b/tools/testing/selftests/net/bind_wildcard.c
index d65c3bb6ba138..143aae383da39 100644
--- a/tools/testing/selftests/net/bind_wildcard.c
+++ b/tools/testing/selftests/net/bind_wildcard.c
@@ -42,6 +42,7 @@ FIXTURE_VARIANT(bind_wildcard)
int expected_errno;
};
+/* (IPv4, IPv6) */
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any)
{
.family = {AF_INET, AF_INET6},
@@ -98,6 +99,63 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_v4mapped_local)
.expected_errno = EADDRINUSE,
};
+/* (IPv6, IPv4) */
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_any)
+{
+ .family = {AF_INET6, AF_INET},
+ .addr = {&in6addr_any, &in4addr_any},
+ .expected_errno = EADDRINUSE,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_local)
+{
+ .family = {AF_INET6, AF_INET},
+ .addr = {&in6addr_any, &in4addr_loopback},
+ .expected_errno = EADDRINUSE,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_any)
+{
+ .family = {AF_INET6, AF_INET},
+ .addr = {&in6addr_loopback, &in4addr_any},
+ .expected_errno = 0,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_local)
+{
+ .family = {AF_INET6, AF_INET},
+ .addr = {&in6addr_loopback, &in4addr_loopback},
+ .expected_errno = 0,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v4_any)
+{
+ .family = {AF_INET6, AF_INET},
+ .addr = {&in6addr_v4mapped_any, &in4addr_any},
+ .expected_errno = EADDRINUSE,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v4_local)
+{
+ .family = {AF_INET6, AF_INET},
+ .addr = {&in6addr_v4mapped_any, &in4addr_loopback},
+ .expected_errno = EADDRINUSE,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_any)
+{
+ .family = {AF_INET6, AF_INET},
+ .addr = {&in6addr_v4mapped_loopback, &in4addr_any},
+ .expected_errno = EADDRINUSE,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_local)
+{
+ .family = {AF_INET6, AF_INET},
+ .addr = {&in6addr_v4mapped_loopback, &in4addr_loopback},
+ .expected_errno = EADDRINUSE,
+};
+
static void setup_addr(FIXTURE_DATA(bind_wildcard) *self, int i,
int family, const void *addr_const)
{
@@ -167,18 +225,11 @@ void bind_sockets(struct __test_metadata *_metadata,
close(fd[0]);
}
-TEST_F(bind_wildcard, v4_v6)
+TEST_F(bind_wildcard, plain)
{
bind_sockets(_metadata, self, variant->expected_errno,
&self->addr[0].addr, self->addrlen[0],
&self->addr[1].addr, self->addrlen[1]);
}
-TEST_F(bind_wildcard, v6_v4)
-{
- bind_sockets(_metadata, self, variant->expected_errno,
- &self->addr[1].addr, self->addrlen[1],
- &self->addr[0].addr, self->addrlen[0]);
-}
-
TEST_HARNESS_MAIN
--
GitLab
From 5e9e9afdb50449f35d3e65dd6b1cdf87e8ce185e Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Tue, 26 Mar 2024 13:42:48 -0700
Subject: [PATCH 1861/2686] selftest: tcp: Add v4-v4 and v6-v6 bind() conflict
tests.
We don't have bind() conflict tests for the same protocol pairs.
Let's add them except for the same address pair, which will be
covered by the following patch adding 6 more bind() calls for
each test case.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-6-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
tools/testing/selftests/net/bind_wildcard.c | 100 ++++++++++++++++++++
1 file changed, 100 insertions(+)
diff --git a/tools/testing/selftests/net/bind_wildcard.c b/tools/testing/selftests/net/bind_wildcard.c
index 143aae383da39..5100dd713a494 100644
--- a/tools/testing/selftests/net/bind_wildcard.c
+++ b/tools/testing/selftests/net/bind_wildcard.c
@@ -42,6 +42,21 @@ FIXTURE_VARIANT(bind_wildcard)
int expected_errno;
};
+/* (IPv4, IPv4) */
+FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v4_local)
+{
+ .family = {AF_INET, AF_INET},
+ .addr = {&in4addr_any, &in4addr_loopback},
+ .expected_errno = EADDRINUSE,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v4_any)
+{
+ .family = {AF_INET, AF_INET},
+ .addr = {&in4addr_loopback, &in4addr_any},
+ .expected_errno = EADDRINUSE,
+};
+
/* (IPv4, IPv6) */
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any)
{
@@ -156,6 +171,91 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_local)
.expected_errno = EADDRINUSE,
};
+/* (IPv6, IPv6) */
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_local)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_any, &in6addr_loopback},
+ .expected_errno = EADDRINUSE,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_any)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_any, &in6addr_v4mapped_any},
+ .expected_errno = EADDRINUSE,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_local)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_any, &in6addr_v4mapped_loopback},
+ .expected_errno = EADDRINUSE,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_loopback, &in6addr_any},
+ .expected_errno = EADDRINUSE,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_any)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_loopback, &in6addr_v4mapped_any},
+ .expected_errno = 0,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_local)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_loopback, &in6addr_v4mapped_loopback},
+ .expected_errno = 0,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_v4mapped_any, &in6addr_any},
+ .expected_errno = EADDRINUSE,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_local)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_v4mapped_any, &in6addr_loopback},
+ .expected_errno = 0,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_v4mapped_local)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_v4mapped_any, &in6addr_v4mapped_loopback},
+ .expected_errno = EADDRINUSE,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_v4mapped_loopback, &in6addr_any},
+ .expected_errno = EADDRINUSE,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_local)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_v4mapped_loopback, &in6addr_loopback},
+ .expected_errno = 0,
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_v4mapped_any)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_v4mapped_loopback, &in6addr_v4mapped_any},
+ .expected_errno = EADDRINUSE,
+};
+
static void setup_addr(FIXTURE_DATA(bind_wildcard) *self, int i,
int family, const void *addr_const)
{
--
GitLab
From f40742c22a6e9ffb53bf02f22ea5eda55fbcfcc5 Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Tue, 26 Mar 2024 13:42:49 -0700
Subject: [PATCH 1862/2686] selftest: tcp: Add more bind() calls.
In addtition to the two addresses defined in the fixtures, this patch
add 6 more bind calls():
* 0.0.0.0
* 127.0.0.1
* ::
* ::1
* ::ffff:0.0.0.0
* ::ffff:127.0.0.1
The first two per-fixture bind() calls control how inet_bind2_bucket
is created, and the rest 6 bind() calls cover as many conflicting
patterns as possible.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-7-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
tools/testing/selftests/net/bind_wildcard.c | 225 +++++++++++++++-----
1 file changed, 166 insertions(+), 59 deletions(-)
diff --git a/tools/testing/selftests/net/bind_wildcard.c b/tools/testing/selftests/net/bind_wildcard.c
index 5100dd713a494..4ecd3835f33ca 100644
--- a/tools/testing/selftests/net/bind_wildcard.c
+++ b/tools/testing/selftests/net/bind_wildcard.c
@@ -25,21 +25,34 @@ static const struct in6_addr in6addr_v4mapped_loopback = {
}
};
+#define NR_SOCKETS 8
+
FIXTURE(bind_wildcard)
{
- socklen_t addrlen[2];
+ int fd[NR_SOCKETS];
+ socklen_t addrlen[NR_SOCKETS];
union {
struct sockaddr addr;
struct sockaddr_in addr4;
struct sockaddr_in6 addr6;
- } addr[2];
+ } addr[NR_SOCKETS];
};
FIXTURE_VARIANT(bind_wildcard)
{
sa_family_t family[2];
const void *addr[2];
- int expected_errno;
+
+ /* 6 bind() calls below follow two bind() for the defined 2 addresses:
+ *
+ * 0.0.0.0
+ * 127.0.0.1
+ * ::
+ * ::1
+ * ::ffff:0.0.0.0
+ * ::ffff:127.0.0.1
+ */
+ int expected_errno[NR_SOCKETS];
};
/* (IPv4, IPv4) */
@@ -47,14 +60,20 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v4_local)
{
.family = {AF_INET, AF_INET},
.addr = {&in4addr_any, &in4addr_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v4_any)
{
.family = {AF_INET, AF_INET},
.addr = {&in4addr_loopback, &in4addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
/* (IPv4, IPv6) */
@@ -62,56 +81,80 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_any, &in6addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_local)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_any, &in6addr_loopback},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_v4mapped_any)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_any, &in6addr_v4mapped_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_v4mapped_local)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_any, &in6addr_v4mapped_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_loopback, &in6addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_local)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_loopback, &in6addr_loopback},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_v4mapped_any)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_loopback, &in6addr_v4mapped_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_v4mapped_local)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_loopback, &in6addr_v4mapped_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
/* (IPv6, IPv4) */
@@ -119,56 +162,80 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_any)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_any, &in4addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_local)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_any, &in4addr_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_any)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_loopback, &in4addr_any},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_local)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_loopback, &in4addr_loopback},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v4_any)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_v4mapped_any, &in4addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v4_local)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_v4mapped_any, &in4addr_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_any)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_v4mapped_loopback, &in4addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_local)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_v4mapped_loopback, &in4addr_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
/* (IPv6, IPv6) */
@@ -176,84 +243,120 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_v4mapped_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_v4mapped_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_loopback, &in6addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ 0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_loopback, &in6addr_v4mapped_any},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_loopback, &in6addr_v4mapped_loopback},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_any, &in6addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_any, &in6addr_loopback},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_any, &in6addr_v4mapped_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_loopback, &in6addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_loopback, &in6addr_loopback},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_loopback, &in6addr_v4mapped_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
static void setup_addr(FIXTURE_DATA(bind_wildcard) *self, int i,
@@ -284,52 +387,56 @@ FIXTURE_SETUP(bind_wildcard)
{
setup_addr(self, 0, variant->family[0], variant->addr[0]);
setup_addr(self, 1, variant->family[1], variant->addr[1]);
+
+ setup_addr(self, 2, AF_INET, &in4addr_any);
+ setup_addr(self, 3, AF_INET, &in4addr_loopback);
+
+ setup_addr(self, 4, AF_INET6, &in6addr_any);
+ setup_addr(self, 5, AF_INET6, &in6addr_loopback);
+ setup_addr(self, 6, AF_INET6, &in6addr_v4mapped_any);
+ setup_addr(self, 7, AF_INET6, &in6addr_v4mapped_loopback);
}
FIXTURE_TEARDOWN(bind_wildcard)
{
+ int i;
+
+ for (i = 0; i < NR_SOCKETS; i++)
+ close(self->fd[i]);
}
-void bind_sockets(struct __test_metadata *_metadata,
- FIXTURE_DATA(bind_wildcard) *self,
- int expected_errno,
- struct sockaddr *addr1, socklen_t addrlen1,
- struct sockaddr *addr2, socklen_t addrlen2)
+void bind_socket(struct __test_metadata *_metadata,
+ FIXTURE_DATA(bind_wildcard) *self,
+ const FIXTURE_VARIANT(bind_wildcard) *variant,
+ int i)
{
- int fd[2];
int ret;
- fd[0] = socket(addr1->sa_family, SOCK_STREAM, 0);
- ASSERT_GT(fd[0], 0);
-
- ret = bind(fd[0], addr1, addrlen1);
- ASSERT_EQ(ret, 0);
+ self->fd[i] = socket(self->addr[i].addr.sa_family, SOCK_STREAM, 0);
+ ASSERT_GT(self->fd[i], 0);
- ret = getsockname(fd[0], addr1, &addrlen1);
- ASSERT_EQ(ret, 0);
+ self->addr[i].addr4.sin_port = self->addr[0].addr4.sin_port;
- ((struct sockaddr_in *)addr2)->sin_port = ((struct sockaddr_in *)addr1)->sin_port;
-
- fd[1] = socket(addr2->sa_family, SOCK_STREAM, 0);
- ASSERT_GT(fd[1], 0);
-
- ret = bind(fd[1], addr2, addrlen2);
- if (expected_errno) {
+ ret = bind(self->fd[i], &self->addr[i].addr, self->addrlen[i]);
+ if (variant->expected_errno[i]) {
ASSERT_EQ(ret, -1);
- ASSERT_EQ(errno, expected_errno);
+ ASSERT_EQ(errno, variant->expected_errno[i]);
} else {
ASSERT_EQ(ret, 0);
}
- close(fd[1]);
- close(fd[0]);
+ if (i == 0) {
+ ret = getsockname(self->fd[0], &self->addr[0].addr, &self->addrlen[0]);
+ ASSERT_EQ(ret, 0);
+ }
}
TEST_F(bind_wildcard, plain)
{
- bind_sockets(_metadata, self, variant->expected_errno,
- &self->addr[0].addr, self->addrlen[0],
- &self->addr[1].addr, self->addrlen[1]);
+ int i;
+
+ for (i = 0; i < NR_SOCKETS; i++)
+ bind_socket(_metadata, self, variant, i);
}
TEST_HARNESS_MAIN
--
GitLab
From d37f2f72c91f2c5b61db7e6685c8b4bfdff85cb8 Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Tue, 26 Mar 2024 13:42:50 -0700
Subject: [PATCH 1863/2686] selftest: tcp: Add bind() tests for IPV6_V6ONLY.
bhash2 was not well tested for IPv6-only sockets.
This patch adds test cases where we set IPV6_V6ONLY for per-fixture
bind() calls if variant->ipv6_only[i] is true.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-8-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
tools/testing/selftests/net/bind_wildcard.c | 116 ++++++++++++++++++++
1 file changed, 116 insertions(+)
diff --git a/tools/testing/selftests/net/bind_wildcard.c b/tools/testing/selftests/net/bind_wildcard.c
index 4ecd3835f33ca..6d7f02441b9d7 100644
--- a/tools/testing/selftests/net/bind_wildcard.c
+++ b/tools/testing/selftests/net/bind_wildcard.c
@@ -42,6 +42,7 @@ FIXTURE_VARIANT(bind_wildcard)
{
sa_family_t family[2];
const void *addr[2];
+ bool ipv6_only[2];
/* 6 bind() calls below follow two bind() for the defined 2 addresses:
*
@@ -87,6 +88,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any_only)
+{
+ .family = {AF_INET, AF_INET6},
+ .addr = {&in4addr_any, &in6addr_any},
+ .ipv6_only = {false, true},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_local)
{
.family = {AF_INET, AF_INET6},
@@ -127,6 +139,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any_only)
+{
+ .family = {AF_INET, AF_INET6},
+ .addr = {&in4addr_loopback, &in6addr_any},
+ .ipv6_only = {false, true},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_local)
{
.family = {AF_INET, AF_INET6},
@@ -168,6 +191,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v4_any)
+{
+ .family = {AF_INET6, AF_INET},
+ .addr = {&in6addr_any, &in4addr_any},
+ .ipv6_only = {true, false},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_local)
{
.family = {AF_INET6, AF_INET},
@@ -178,6 +212,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_local)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v4_local)
+{
+ .family = {AF_INET6, AF_INET},
+ .addr = {&in6addr_any, &in4addr_loopback},
+ .ipv6_only = {true, false},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_any)
{
.family = {AF_INET6, AF_INET},
@@ -249,6 +294,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_local)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_local)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_any, &in6addr_loopback},
+ .ipv6_only = {true, false},
+ .expected_errno = {0, EADDRINUSE,
+ 0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
@@ -259,6 +315,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_v4mapped_any)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_any, &in6addr_v4mapped_any},
+ .ipv6_only = {true, false},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
@@ -269,6 +336,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_local)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_v4mapped_local)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_any, &in6addr_v4mapped_loopback},
+ .ipv6_only = {true, false},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any)
{
.family = {AF_INET6, AF_INET6},
@@ -279,6 +357,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any_only)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_loopback, &in6addr_any},
+ .ipv6_only = {false, true},
+ .expected_errno = {0, EADDRINUSE,
+ 0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
@@ -309,6 +398,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any_only)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_v4mapped_any, &in6addr_any},
+ .ipv6_only = {false, true},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_local)
{
.family = {AF_INET6, AF_INET6},
@@ -339,6 +439,17 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any)
EADDRINUSE, EADDRINUSE},
};
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any_only)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_v4mapped_loopback, &in6addr_any},
+ .ipv6_only = {false, true},
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_local)
{
.family = {AF_INET6, AF_INET6},
@@ -415,6 +526,11 @@ void bind_socket(struct __test_metadata *_metadata,
self->fd[i] = socket(self->addr[i].addr.sa_family, SOCK_STREAM, 0);
ASSERT_GT(self->fd[i], 0);
+ if (i < 2 && variant->ipv6_only[i]) {
+ ret = setsockopt(self->fd[i], SOL_IPV6, IPV6_V6ONLY, &(int){1}, sizeof(int));
+ ASSERT_EQ(ret, 0);
+ }
+
self->addr[i].addr4.sin_port = self->addr[0].addr4.sin_port;
ret = bind(self->fd[i], &self->addr[i].addr, self->addrlen[i]);
--
GitLab
From 7679f0968d01878b8da80c5078eebe23231a19e8 Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Tue, 26 Mar 2024 13:42:51 -0700
Subject: [PATCH 1864/2686] selftest: tcp: Add bind() tests for
SO_REUSEADDR/SO_REUSEPORT.
This patch adds two tests using SO_REUSEADDR and SO_REUSEPORT and
defines errno for each test case.
SO_REUSEADDR/SO_REUSEPORT is set for the per-fixture two bind()
calls.
The notable pattern is the pair of v6only [::] and plain [::].
The two sockets are put into the same tb2, where per-bucket v6only
flag would be useless to detect bind() conflict.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-9-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
tools/testing/selftests/net/bind_wildcard.c | 263 +++++++++++++++++++-
1 file changed, 257 insertions(+), 6 deletions(-)
diff --git a/tools/testing/selftests/net/bind_wildcard.c b/tools/testing/selftests/net/bind_wildcard.c
index 6d7f02441b9d7..b7b54d646b937 100644
--- a/tools/testing/selftests/net/bind_wildcard.c
+++ b/tools/testing/selftests/net/bind_wildcard.c
@@ -54,6 +54,7 @@ FIXTURE_VARIANT(bind_wildcard)
* ::ffff:127.0.0.1
*/
int expected_errno[NR_SOCKETS];
+ int expected_reuse_errno[NR_SOCKETS];
};
/* (IPv4, IPv4) */
@@ -65,6 +66,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v4_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v4_any)
@@ -75,6 +80,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v4_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
/* (IPv4, IPv6) */
@@ -86,6 +95,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any_only)
@@ -97,6 +110,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any_only)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_local)
@@ -107,6 +124,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_v4mapped_any)
@@ -117,6 +138,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_v4mapped_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_v4mapped_local)
@@ -127,6 +152,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_v4mapped_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any)
@@ -137,6 +166,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any_only)
@@ -148,6 +181,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any_only)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_local)
@@ -158,6 +195,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_v4mapped_any)
@@ -168,6 +209,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_v4mapped_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_v4mapped_local)
@@ -178,6 +223,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_v4mapped_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
/* (IPv6, IPv4) */
@@ -189,6 +238,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v4_any)
@@ -200,6 +253,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v4_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_local)
@@ -210,6 +267,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v4_local)
@@ -221,6 +282,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v4_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_any)
@@ -231,6 +296,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_local)
@@ -241,6 +310,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v4_any)
@@ -251,6 +324,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v4_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v4_local)
@@ -261,6 +338,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v4_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_any)
@@ -271,6 +352,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_local)
@@ -281,9 +366,72 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
/* (IPv6, IPv6) */
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_any)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_any, &in6addr_any},
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_any)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_any, &in6addr_any},
+ .ipv6_only = {true, false},
+ .expected_errno = {0, EADDRINUSE,
+ 0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_any_only)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_any, &in6addr_any},
+ .ipv6_only = {false, true},
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
+FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_any_only)
+{
+ .family = {AF_INET6, AF_INET6},
+ .addr = {&in6addr_any, &in6addr_any},
+ .ipv6_only = {true, true},
+ .expected_errno = {0, EADDRINUSE,
+ 0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ 0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
+};
+
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_local)
{
.family = {AF_INET6, AF_INET6},
@@ -292,6 +440,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_local)
@@ -303,6 +455,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_local)
0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ 0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_any)
@@ -313,6 +469,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_v4mapped_any)
@@ -324,6 +484,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_v4mapped_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_local)
@@ -334,6 +498,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_v4mapped_local)
@@ -345,6 +513,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_v4mapped_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any)
@@ -355,6 +527,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any)
0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any_only)
@@ -366,6 +542,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any_only)
0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ 0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_any)
@@ -376,6 +556,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_local)
@@ -386,6 +570,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any)
@@ -396,6 +584,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any_only)
@@ -407,6 +599,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any_only)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_local)
@@ -417,6 +613,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_v4mapped_local)
@@ -427,6 +627,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_v4mapped_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any)
@@ -437,6 +641,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any_only)
@@ -448,6 +656,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any_only)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_local)
@@ -458,6 +670,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_local)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_v4mapped_any)
@@ -468,6 +684,10 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_v4mapped_any)
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
+ .expected_reuse_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
static void setup_addr(FIXTURE_DATA(bind_wildcard) *self, int i,
@@ -519,7 +739,7 @@ FIXTURE_TEARDOWN(bind_wildcard)
void bind_socket(struct __test_metadata *_metadata,
FIXTURE_DATA(bind_wildcard) *self,
const FIXTURE_VARIANT(bind_wildcard) *variant,
- int i)
+ int i, int reuse)
{
int ret;
@@ -531,14 +751,29 @@ void bind_socket(struct __test_metadata *_metadata,
ASSERT_EQ(ret, 0);
}
+ if (i < 2 && reuse) {
+ ret = setsockopt(self->fd[i], SOL_SOCKET, reuse, &(int){1}, sizeof(int));
+ ASSERT_EQ(ret, 0);
+ }
+
self->addr[i].addr4.sin_port = self->addr[0].addr4.sin_port;
ret = bind(self->fd[i], &self->addr[i].addr, self->addrlen[i]);
- if (variant->expected_errno[i]) {
- ASSERT_EQ(ret, -1);
- ASSERT_EQ(errno, variant->expected_errno[i]);
+
+ if (reuse) {
+ if (variant->expected_reuse_errno[i]) {
+ ASSERT_EQ(ret, -1);
+ ASSERT_EQ(errno, variant->expected_reuse_errno[i]);
+ } else {
+ ASSERT_EQ(ret, 0);
+ }
} else {
- ASSERT_EQ(ret, 0);
+ if (variant->expected_errno[i]) {
+ ASSERT_EQ(ret, -1);
+ ASSERT_EQ(errno, variant->expected_errno[i]);
+ } else {
+ ASSERT_EQ(ret, 0);
+ }
}
if (i == 0) {
@@ -552,7 +787,23 @@ TEST_F(bind_wildcard, plain)
int i;
for (i = 0; i < NR_SOCKETS; i++)
- bind_socket(_metadata, self, variant, i);
+ bind_socket(_metadata, self, variant, i, 0);
+}
+
+TEST_F(bind_wildcard, reuseaddr)
+{
+ int i;
+
+ for (i = 0; i < NR_SOCKETS; i++)
+ bind_socket(_metadata, self, variant, i, SO_REUSEADDR);
+}
+
+TEST_F(bind_wildcard, reuseport)
+{
+ int i;
+
+ for (i = 0; i < NR_SOCKETS; i++)
+ bind_socket(_metadata, self, variant, i, SO_REUSEPORT);
}
TEST_HARNESS_MAIN
--
GitLab
From c33f0d4fcfe072adbbb7f3cf93f1b146e181bf3b Mon Sep 17 00:00:00 2001
From: Simon Trimmer <simont@opensource.cirrus.com>
Date: Fri, 29 Mar 2024 11:28:03 +0000
Subject: [PATCH 1865/2686] ALSA: hda/realtek: Add quirks for ASUS Laptops
using CS35L56
These ASUS laptops use the Realtek HDA codec combined with a number of
CS35L56 amplifiers.
The SSID of the GA403U matches a previous ASUS laptop - we can tell them
apart because they use different codecs.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Message-ID: <20240329112803.23897-1-simont@opensource.cirrus.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/patch_realtek.c | 53 ++++++++++++++++++++++++++++++++++-
1 file changed, 52 insertions(+), 1 deletion(-)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index c31e9be257a9b..e866b8a75cda3 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6875,11 +6875,38 @@ static void alc287_fixup_legion_16ithg6_speakers(struct hda_codec *cdc, const st
comp_generic_fixup(cdc, action, "i2c", "CLSA0101", "-%s:00-cs35l41-hda.%d", 2);
}
+static void cs35l56_fixup_i2c_two(struct hda_codec *cdc, const struct hda_fixup *fix, int action)
+{
+ comp_generic_fixup(cdc, action, "i2c", "CSC3556", "-%s:00-cs35l56-hda.%d", 2);
+}
+
+static void cs35l56_fixup_i2c_four(struct hda_codec *cdc, const struct hda_fixup *fix, int action)
+{
+ comp_generic_fixup(cdc, action, "i2c", "CSC3556", "-%s:00-cs35l56-hda.%d", 4);
+}
+
+static void cs35l56_fixup_spi_two(struct hda_codec *cdc, const struct hda_fixup *fix, int action)
+{
+ comp_generic_fixup(cdc, action, "spi", "CSC3556", "-%s:00-cs35l56-hda.%d", 2);
+}
+
static void cs35l56_fixup_spi_four(struct hda_codec *cdc, const struct hda_fixup *fix, int action)
{
comp_generic_fixup(cdc, action, "spi", "CSC3556", "-%s:00-cs35l56-hda.%d", 4);
}
+static void alc285_fixup_asus_ga403u(struct hda_codec *cdc, const struct hda_fixup *fix, int action)
+{
+ /*
+ * The same SSID has been re-used in different hardware, they have
+ * different codecs and the newer GA403U has a ALC285.
+ */
+ if (cdc->core.vendor_id == 0x10ec0285)
+ cs35l56_fixup_i2c_two(cdc, fix, action);
+ else
+ alc_fixup_inv_dmic(cdc, fix, action);
+}
+
static void tas2781_fixup_i2c(struct hda_codec *cdc,
const struct hda_fixup *fix, int action)
{
@@ -7436,6 +7463,10 @@ enum {
ALC256_FIXUP_ACER_SFG16_MICMUTE_LED,
ALC256_FIXUP_HEADPHONE_AMP_VOL,
ALC245_FIXUP_HP_SPECTRE_X360_EU0XXX,
+ ALC285_FIXUP_CS35L56_SPI_2,
+ ALC285_FIXUP_CS35L56_I2C_2,
+ ALC285_FIXUP_CS35L56_I2C_4,
+ ALC285_FIXUP_ASUS_GA403U,
};
/* A special fixup for Lenovo C940 and Yoga Duet 7;
@@ -9643,6 +9674,22 @@ static const struct hda_fixup alc269_fixups[] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc245_fixup_hp_spectre_x360_eu0xxx,
},
+ [ALC285_FIXUP_CS35L56_SPI_2] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = cs35l56_fixup_spi_two,
+ },
+ [ALC285_FIXUP_CS35L56_I2C_2] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = cs35l56_fixup_i2c_two,
+ },
+ [ALC285_FIXUP_CS35L56_I2C_4] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = cs35l56_fixup_i2c_four,
+ },
+ [ALC285_FIXUP_ASUS_GA403U] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc285_fixup_asus_ga403u,
+ },
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -10096,7 +10143,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1043, 0x1a83, "ASUS UM5302LA", ALC294_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x1043, 0x1a8f, "ASUS UX582ZS", ALC245_FIXUP_CS35L41_SPI_2),
SND_PCI_QUIRK(0x1043, 0x1b11, "ASUS UX431DA", ALC294_FIXUP_ASUS_COEF_1B),
- SND_PCI_QUIRK(0x1043, 0x1b13, "Asus U41SV", ALC269_FIXUP_INV_DMIC),
+ SND_PCI_QUIRK(0x1043, 0x1b13, "ASUS U41SV/GA403U", ALC285_FIXUP_ASUS_GA403U),
SND_PCI_QUIRK(0x1043, 0x1b93, "ASUS G614JVR/JIR", ALC245_FIXUP_CS35L41_SPI_2),
SND_PCI_QUIRK(0x1043, 0x1bbd, "ASUS Z550MA", ALC255_FIXUP_ASUS_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1043, 0x1c03, "ASUS UM3406HA", ALC287_FIXUP_CS35L41_I2C_2),
@@ -10104,6 +10151,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1043, 0x1c33, "ASUS UX5304MA", ALC245_FIXUP_CS35L41_SPI_2),
SND_PCI_QUIRK(0x1043, 0x1c43, "ASUS UX8406MA", ALC245_FIXUP_CS35L41_SPI_2),
SND_PCI_QUIRK(0x1043, 0x1c62, "ASUS GU603", ALC289_FIXUP_ASUS_GA401),
+ SND_PCI_QUIRK(0x1043, 0x1c63, "ASUS GU605M", ALC285_FIXUP_CS35L56_SPI_2),
SND_PCI_QUIRK(0x1043, 0x1c92, "ASUS ROG Strix G15", ALC285_FIXUP_ASUS_G533Z_PINS),
SND_PCI_QUIRK(0x1043, 0x1c9f, "ASUS G614JU/JV/JI", ALC285_FIXUP_ASUS_HEADSET_MIC),
SND_PCI_QUIRK(0x1043, 0x1caf, "ASUS G634JY/JZ/JI/JG", ALC285_FIXUP_ASUS_SPI_REAR_SPEAKERS),
@@ -10115,11 +10163,14 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1043, 0x1d42, "ASUS Zephyrus G14 2022", ALC289_FIXUP_ASUS_GA401),
SND_PCI_QUIRK(0x1043, 0x1d4e, "ASUS TM420", ALC256_FIXUP_ASUS_HPE),
SND_PCI_QUIRK(0x1043, 0x1da2, "ASUS UP6502ZA/ZD", ALC245_FIXUP_CS35L41_SPI_2),
+ SND_PCI_QUIRK(0x1043, 0x1df3, "ASUS UM5606", ALC285_FIXUP_CS35L56_I2C_4),
SND_PCI_QUIRK(0x1043, 0x1e02, "ASUS UX3402ZA", ALC245_FIXUP_CS35L41_SPI_2),
SND_PCI_QUIRK(0x1043, 0x1e11, "ASUS Zephyrus G15", ALC289_FIXUP_ASUS_GA502),
SND_PCI_QUIRK(0x1043, 0x1e12, "ASUS UM3402", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x1043, 0x1e51, "ASUS Zephyrus M15", ALC294_FIXUP_ASUS_GU502_PINS),
SND_PCI_QUIRK(0x1043, 0x1e5e, "ASUS ROG Strix G513", ALC294_FIXUP_ASUS_G513_PINS),
+ SND_PCI_QUIRK(0x1043, 0x1e63, "ASUS H7606W", ALC285_FIXUP_CS35L56_I2C_2),
+ SND_PCI_QUIRK(0x1043, 0x1e83, "ASUS GA605W", ALC285_FIXUP_CS35L56_I2C_2),
SND_PCI_QUIRK(0x1043, 0x1e8e, "ASUS Zephyrus G15", ALC289_FIXUP_ASUS_GA401),
SND_PCI_QUIRK(0x1043, 0x1ee2, "ASUS UM6702RA/RC", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x1043, 0x1c52, "ASUS Zephyrus G15 2022", ALC289_FIXUP_ASUS_GA401),
--
GitLab
From 3f1a9bc5d878004ed4bc3904e5cb9b7fb317fbe2 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sat, 30 Mar 2024 15:05:54 +0900
Subject: [PATCH 1866/2686] x86/build: Use obj-y to descend into arch/x86/virt/
Commit c33621b4c5ad ("x86/virt/tdx: Wire up basic SEAMCALL functions")
introduced a new instance of core-y instead of the standardized obj-y
syntax.
X86 Makefiles descend into subdirectories of arch/x86/virt inconsistently;
into arch/x86/virt/ via core-y defined in arch/x86/Makefile, but into
arch/x86/virt/svm/ via obj-y defined in arch/x86/Kbuild.
This is problematic when you build a single object in parallel because
multiple threads attempt to build the same file.
$ make -j$(nproc) arch/x86/virt/vmx/tdx/seamcall.o
[ snip ]
AS arch/x86/virt/vmx/tdx/seamcall.o
AS arch/x86/virt/vmx/tdx/seamcall.o
fixdep: error opening file: arch/x86/virt/vmx/tdx/.seamcall.o.d: No such file or directory
make[4]: *** [scripts/Makefile.build:362: arch/x86/virt/vmx/tdx/seamcall.o] Error 2
Use the obj-y syntax, as it works correctly.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240330060554.18524-1-masahiroy@kernel.org
---
arch/x86/Kbuild | 2 +-
arch/x86/Makefile | 2 --
arch/x86/virt/Makefile | 2 +-
3 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/x86/Kbuild b/arch/x86/Kbuild
index 6a1f36df6a181..cf0ad89f5639d 100644
--- a/arch/x86/Kbuild
+++ b/arch/x86/Kbuild
@@ -28,7 +28,7 @@ obj-y += net/
obj-$(CONFIG_KEXEC_FILE) += purgatory/
-obj-y += virt/svm/
+obj-y += virt/
# for cleaning
subdir- += boot tools
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 662d9d4033e6b..5ab93fcdd691d 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -251,8 +251,6 @@ archheaders:
libs-y += arch/x86/lib/
-core-y += arch/x86/virt/
-
# drivers-y are linked after core-y
drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/
drivers-$(CONFIG_PCI) += arch/x86/pci/
diff --git a/arch/x86/virt/Makefile b/arch/x86/virt/Makefile
index 1e36502cd7383..ea343fc392dcc 100644
--- a/arch/x86/virt/Makefile
+++ b/arch/x86/virt/Makefile
@@ -1,2 +1,2 @@
# SPDX-License-Identifier: GPL-2.0-only
-obj-y += vmx/
+obj-y += svm/ vmx/
--
GitLab
From 6205125bd326ed0153e5f9da3c4689fe60ae885a Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Sat, 30 Mar 2024 20:23:08 +0100
Subject: [PATCH 1867/2686] objtool: Fix compile failure when using the x32
compiler
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
When compiling the v6.9-rc1 kernel with the x32 compiler, the following
errors are reported. The reason is that we take an "unsigned long"
variable and print it using "PRIx64" format string.
In file included from check.c:16:
check.c: In function ‘add_dead_ends’:
/usr/src/git/linux-2.6/tools/objtool/include/objtool/warn.h:46:17: error: format ‘%llx’ expects argument of type ‘long long unsigned int’, but argument 5 has type ‘long unsigned int’ [-Werror=format=]
46 | "%s: warning: objtool: " format "\n", \
| ^~~~~~~~~~~~~~~~~~~~~~~~
check.c:613:33: note: in expansion of macro ‘WARN’
613 | WARN("can't find unreachable insn at %s+0x%" PRIx64,
| ^~~~
...
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: linux-kernel@vger.kernel.org
---
tools/objtool/check.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 0b10ad0086686..0a33d9195b7a9 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -585,7 +585,7 @@ static int add_dead_ends(struct objtool_file *file)
struct section *rsec;
struct reloc *reloc;
struct instruction *insn;
- unsigned long offset;
+ uint64_t offset;
/*
* Check for manually annotated dead ends.
--
GitLab
From c40845e3195d074b34f8f8e400e28c9403a06588 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 26 Mar 2024 15:47:16 +0100
Subject: [PATCH 1868/2686] kbuild: make -Woverride-init warnings more
consistent
The -Woverride-init warn about code that may be intentional or not,
but the inintentional ones tend to be real bugs, so there is a bit of
disagreement on whether this warning option should be enabled by default
and we have multiple settings in scripts/Makefile.extrawarn as well as
individual subsystems.
Older versions of clang only supported -Wno-initializer-overrides with
the same meaning as gcc's -Woverride-init, though all supported versions
now work with both. Because of this difference, an earlier cleanup of
mine accidentally turned the clang warning off for W=1 builds and only
left it on for W=2, while it's still enabled for gcc with W=1.
There is also one driver that only turns the warning off for newer
versions of gcc but not other compilers, and some but not all the
Makefiles still use a cc-disable-warning conditional that is no
longer needed with supported compilers here.
Address all of the above by removing the special cases for clang
and always turning the warning off unconditionally where it got
in the way, using the syntax that is supported by both compilers.
Fixes: 2cd3271b7a31 ("kbuild: avoid duplicate warning options")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
drivers/gpu/drm/amd/display/dc/dce110/Makefile | 2 +-
drivers/gpu/drm/amd/display/dc/dce112/Makefile | 2 +-
drivers/gpu/drm/amd/display/dc/dce120/Makefile | 2 +-
drivers/gpu/drm/amd/display/dc/dce60/Makefile | 2 +-
drivers/gpu/drm/amd/display/dc/dce80/Makefile | 2 +-
drivers/gpu/drm/i915/Makefile | 6 +++---
drivers/gpu/drm/xe/Makefile | 4 ++--
drivers/net/ethernet/renesas/sh_eth.c | 2 +-
drivers/pinctrl/aspeed/Makefile | 2 +-
fs/proc/Makefile | 2 +-
kernel/bpf/Makefile | 2 +-
mm/Makefile | 3 +--
scripts/Makefile.extrawarn | 10 +++-------
13 files changed, 18 insertions(+), 23 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/Makefile b/drivers/gpu/drm/amd/display/dc/dce110/Makefile
index f0777d61c2cbb..c307f040e48fc 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dce110/Makefile
@@ -23,7 +23,7 @@
# Makefile for the 'controller' sub-component of DAL.
# It provides the control and status of HW CRTC block.
-CFLAGS_$(AMDDALPATH)/dc/dce110/dce110_resource.o = $(call cc-disable-warning, override-init)
+CFLAGS_$(AMDDALPATH)/dc/dce110/dce110_resource.o = -Wno-override-init
DCE110 = dce110_timing_generator.o \
dce110_compressor.o dce110_opp_regamma_v.o \
diff --git a/drivers/gpu/drm/amd/display/dc/dce112/Makefile b/drivers/gpu/drm/amd/display/dc/dce112/Makefile
index 7e92effec8944..683866797709b 100644
--- a/drivers/gpu/drm/amd/display/dc/dce112/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dce112/Makefile
@@ -23,7 +23,7 @@
# Makefile for the 'controller' sub-component of DAL.
# It provides the control and status of HW CRTC block.
-CFLAGS_$(AMDDALPATH)/dc/dce112/dce112_resource.o = $(call cc-disable-warning, override-init)
+CFLAGS_$(AMDDALPATH)/dc/dce112/dce112_resource.o = -Wno-override-init
DCE112 = dce112_compressor.o
diff --git a/drivers/gpu/drm/amd/display/dc/dce120/Makefile b/drivers/gpu/drm/amd/display/dc/dce120/Makefile
index 1e3ef68a452a5..8f508e6627480 100644
--- a/drivers/gpu/drm/amd/display/dc/dce120/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dce120/Makefile
@@ -24,7 +24,7 @@
# It provides the control and status of HW CRTC block.
-CFLAGS_$(AMDDALPATH)/dc/dce120/dce120_resource.o = $(call cc-disable-warning, override-init)
+CFLAGS_$(AMDDALPATH)/dc/dce120/dce120_resource.o = -Wno-override-init
DCE120 = dce120_timing_generator.o
diff --git a/drivers/gpu/drm/amd/display/dc/dce60/Makefile b/drivers/gpu/drm/amd/display/dc/dce60/Makefile
index fee331accc0e7..eede83ad91fa0 100644
--- a/drivers/gpu/drm/amd/display/dc/dce60/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dce60/Makefile
@@ -23,7 +23,7 @@
# Makefile for the 'controller' sub-component of DAL.
# It provides the control and status of HW CRTC block.
-CFLAGS_$(AMDDALPATH)/dc/dce60/dce60_resource.o = $(call cc-disable-warning, override-init)
+CFLAGS_$(AMDDALPATH)/dc/dce60/dce60_resource.o = -Wno-override-init
DCE60 = dce60_timing_generator.o dce60_hw_sequencer.o \
dce60_resource.o
diff --git a/drivers/gpu/drm/amd/display/dc/dce80/Makefile b/drivers/gpu/drm/amd/display/dc/dce80/Makefile
index 7eefffbdc9253..fba189d26652d 100644
--- a/drivers/gpu/drm/amd/display/dc/dce80/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dce80/Makefile
@@ -23,7 +23,7 @@
# Makefile for the 'controller' sub-component of DAL.
# It provides the control and status of HW CRTC block.
-CFLAGS_$(AMDDALPATH)/dc/dce80/dce80_resource.o = $(call cc-disable-warning, override-init)
+CFLAGS_$(AMDDALPATH)/dc/dce80/dce80_resource.o = -Wno-override-init
DCE80 = dce80_timing_generator.o
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 3ef6ed41e62b4..4c2f85632391a 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -33,9 +33,9 @@ endif
subdir-ccflags-$(CONFIG_DRM_I915_WERROR) += -Werror
# Fine grained warnings disable
-CFLAGS_i915_pci.o = $(call cc-disable-warning, override-init)
-CFLAGS_display/intel_display_device.o = $(call cc-disable-warning, override-init)
-CFLAGS_display/intel_fbdev.o = $(call cc-disable-warning, override-init)
+CFLAGS_i915_pci.o = -Wno-override-init
+CFLAGS_display/intel_display_device.o = -Wno-override-init
+CFLAGS_display/intel_fbdev.o = -Wno-override-init
# Support compiling the display code separately for both i915 and xe
# drivers. Define I915 when building i915.
diff --git a/drivers/gpu/drm/xe/Makefile b/drivers/gpu/drm/xe/Makefile
index 5a428ca00f10f..c29a850859ad5 100644
--- a/drivers/gpu/drm/xe/Makefile
+++ b/drivers/gpu/drm/xe/Makefile
@@ -172,8 +172,8 @@ subdir-ccflags-$(CONFIG_DRM_XE_DISPLAY) += \
-Ddrm_i915_gem_object=xe_bo \
-Ddrm_i915_private=xe_device
-CFLAGS_i915-display/intel_fbdev.o = $(call cc-disable-warning, override-init)
-CFLAGS_i915-display/intel_display_device.o = $(call cc-disable-warning, override-init)
+CFLAGS_i915-display/intel_fbdev.o = -Wno-override-init
+CFLAGS_i915-display/intel_display_device.o = -Wno-override-init
# Rule to build SOC code shared with i915
$(obj)/i915-soc/%.o: $(srctree)/drivers/gpu/drm/i915/soc/%.c FORCE
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 475e1e8c1d35f..0786eb0da3914 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -50,7 +50,7 @@
* the macros available to do this only define GCC 8.
*/
__diag_push();
-__diag_ignore(GCC, 8, "-Woverride-init",
+__diag_ignore_all("-Woverride-init",
"logic to initialize all and then override some is OK");
static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = {
SH_ETH_OFFSET_DEFAULTS,
diff --git a/drivers/pinctrl/aspeed/Makefile b/drivers/pinctrl/aspeed/Makefile
index 489ea1778353f..db2a7600ae2bd 100644
--- a/drivers/pinctrl/aspeed/Makefile
+++ b/drivers/pinctrl/aspeed/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
# Aspeed pinctrl support
-ccflags-y += $(call cc-option,-Woverride-init)
+ccflags-y += -Woverride-init
obj-$(CONFIG_PINCTRL_ASPEED) += pinctrl-aspeed.o pinmux-aspeed.o
obj-$(CONFIG_PINCTRL_ASPEED_G4) += pinctrl-aspeed-g4.o
obj-$(CONFIG_PINCTRL_ASPEED_G5) += pinctrl-aspeed-g5.o
diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index bd08616ed8bad..7b4db9c56e6a7 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -5,7 +5,7 @@
obj-y += proc.o
-CFLAGS_task_mmu.o += $(call cc-option,-Wno-override-init,)
+CFLAGS_task_mmu.o += -Wno-override-init
proc-y := nommu.o task_nommu.o
proc-$(CONFIG_MMU) := task_mmu.o
diff --git a/kernel/bpf/Makefile b/kernel/bpf/Makefile
index 368c5d86b5b7c..e497011261b89 100644
--- a/kernel/bpf/Makefile
+++ b/kernel/bpf/Makefile
@@ -4,7 +4,7 @@ ifneq ($(CONFIG_BPF_JIT_ALWAYS_ON),y)
# ___bpf_prog_run() needs GCSE disabled on x86; see 3193c0836f203 for details
cflags-nogcse-$(CONFIG_X86)$(CONFIG_CC_IS_GCC) := -fno-gcse
endif
-CFLAGS_core.o += $(call cc-disable-warning, override-init) $(cflags-nogcse-yy)
+CFLAGS_core.o += -Wno-override-init $(cflags-nogcse-yy)
obj-$(CONFIG_BPF_SYSCALL) += syscall.o verifier.o inode.o helpers.o tnum.o log.o token.o
obj-$(CONFIG_BPF_SYSCALL) += bpf_iter.o map_iter.o task_iter.o prog_iter.o link_iter.o
diff --git a/mm/Makefile b/mm/Makefile
index e4b5b75aaec9c..4abb40b911ec4 100644
--- a/mm/Makefile
+++ b/mm/Makefile
@@ -29,8 +29,7 @@ KCOV_INSTRUMENT_mmzone.o := n
KCOV_INSTRUMENT_vmstat.o := n
KCOV_INSTRUMENT_failslab.o := n
-CFLAGS_init-mm.o += $(call cc-disable-warning, override-init)
-CFLAGS_init-mm.o += $(call cc-disable-warning, initializer-overrides)
+CFLAGS_init-mm.o += -Wno-override-init
mmu-y := nommu.o
mmu-$(CONFIG_MMU) := highmem.o memory.o mincore.o \
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index 3ce5d503a6da9..c5af566e911ae 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -114,6 +114,8 @@ KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow)
KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation)
KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
+KBUILD_CFLAGS += -Wno-override-init # alias for -Wno-initializer-overrides in clang
+
ifdef CONFIG_CC_IS_CLANG
# Clang before clang-16 would warn on default argument promotions.
ifneq ($(call clang-min-version, 160000),y)
@@ -151,10 +153,6 @@ KBUILD_CFLAGS += -Wtype-limits
KBUILD_CFLAGS += $(call cc-option, -Wmaybe-uninitialized)
KBUILD_CFLAGS += $(call cc-option, -Wunused-macros)
-ifdef CONFIG_CC_IS_CLANG
-KBUILD_CFLAGS += -Winitializer-overrides
-endif
-
KBUILD_CPPFLAGS += -DKBUILD_EXTRA_WARN2
else
@@ -164,9 +162,7 @@ KBUILD_CFLAGS += -Wno-missing-field-initializers
KBUILD_CFLAGS += -Wno-type-limits
KBUILD_CFLAGS += -Wno-shift-negative-value
-ifdef CONFIG_CC_IS_CLANG
-KBUILD_CFLAGS += -Wno-initializer-overrides
-else
+ifdef CONFIG_CC_IS_GCC
KBUILD_CFLAGS += -Wno-maybe-uninitialized
endif
--
GitLab
From 54babdc0343fff2f32dfaafaaa9e42c4db278204 Mon Sep 17 00:00:00 2001
From: "Borislav Petkov (AMD)" <bp@alien8.de>
Date: Tue, 26 Mar 2024 21:25:48 +0100
Subject: [PATCH 1869/2686] kbuild: Disable KCSAN for autogenerated *.mod.c
intermediaries
When KCSAN and CONSTRUCTORS are enabled, one can trigger the
"Unpatched return thunk in use. This should not happen!"
catch-all warning.
Usually, when objtool runs on the .o objects, it does generate a section
.return_sites which contains all offsets in the objects to the return
thunks of the functions present there. Those return thunks then get
patched at runtime by the alternatives.
KCSAN and CONSTRUCTORS add this to the object file's .text.startup
section:
-------------------
Disassembly of section .text.startup:
...
0000000000000010 <_sub_I_00099_0>:
10: f3 0f 1e fa endbr64
14: e8 00 00 00 00 call 19 <_sub_I_00099_0+0x9>
15: R_X86_64_PLT32 __tsan_init-0x4
19: e9 00 00 00 00 jmp 1e <__UNIQUE_ID___addressable_cryptd_alloc_aead349+0x6>
1a: R_X86_64_PLT32 __x86_return_thunk-0x4
-------------------
which, if it is built as a module goes through the intermediary stage of
creating a <module>.mod.c file which, when translated, receives a second
constructor:
-------------------
Disassembly of section .text.startup:
0000000000000010 <_sub_I_00099_0>:
10: f3 0f 1e fa endbr64
14: e8 00 00 00 00 call 19 <_sub_I_00099_0+0x9>
15: R_X86_64_PLT32 __tsan_init-0x4
19: e9 00 00 00 00 jmp 1e <_sub_I_00099_0+0xe>
1a: R_X86_64_PLT32 __x86_return_thunk-0x4
...
0000000000000030 <_sub_I_00099_0>:
30: f3 0f 1e fa endbr64
34: e8 00 00 00 00 call 39 <_sub_I_00099_0+0x9>
35: R_X86_64_PLT32 __tsan_init-0x4
39: e9 00 00 00 00 jmp 3e <__ksymtab_cryptd_alloc_ahash+0x2>
3a: R_X86_64_PLT32 __x86_return_thunk-0x4
-------------------
in the .ko file.
Objtool has run already so that second constructor's return thunk cannot
be added to the .return_sites section and thus the return thunk remains
unpatched and the warning rightfully fires.
Drop KCSAN flags from the mod.c generation stage as those constructors
do not contain data races one would be interested about.
Debugged together with David Kaplan <David.Kaplan@amd.com> and Nikolay
Borisov <nik.borisov@suse.com>.
Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Closes: https://lore.kernel.org/r/0851a207-7143-417e-be31-8bf2b3afb57d@molgen.mpg.de
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Paul Menzel <pmenzel@molgen.mpg.de> # Dell XPS 13
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Reviewed-by: Marco Elver <elver@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/Makefile.modfinal | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/Makefile.modfinal b/scripts/Makefile.modfinal
index 8568d256d6fbf..79fcf27316864 100644
--- a/scripts/Makefile.modfinal
+++ b/scripts/Makefile.modfinal
@@ -23,7 +23,7 @@ modname = $(notdir $(@:.mod.o=))
part-of-module = y
quiet_cmd_cc_o_c = CC [M] $@
- cmd_cc_o_c = $(CC) $(filter-out $(CC_FLAGS_CFI) $(CFLAGS_GCOV), $(c_flags)) -c -o $@ $<
+ cmd_cc_o_c = $(CC) $(filter-out $(CC_FLAGS_CFI) $(CFLAGS_GCOV) $(CFLAGS_KCSAN), $(c_flags)) -c -o $@ $<
%.mod.o: %.mod.c FORCE
$(call if_changed_dep,cc_o_c)
--
GitLab
From 978fa00eb035780d0c40ce007c2a0cb21b741431 Mon Sep 17 00:00:00 2001
From: Nathan Chancellor <nathan@kernel.org>
Date: Wed, 27 Mar 2024 10:20:36 -0700
Subject: [PATCH 1870/2686] Documentation/llvm: Note s390 LLVM=1 support with
LLVM 18.1.0 and newer
As of the first s390 pull request during the 6.9 merge window,
commit 691632f0e869 ("Merge tag 's390-6.9-1' of
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux"), s390 can be
built with LLVM=1 when using LLVM 18.1.0, which is the first version
that has SystemZ support implemented in ld.lld and llvm-objcopy.
Update the supported architectures table in the Kbuild LLVM
documentation to note this explicitly to make it more discoverable by
users and other developers. Additionally, this brings s390 in line with
the rest of the architectures in the table, which all support LLVM=1.
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
Documentation/kbuild/llvm.rst | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/kbuild/llvm.rst b/Documentation/kbuild/llvm.rst
index b1d97fafddcfc..bb5c44f8bd1c4 100644
--- a/Documentation/kbuild/llvm.rst
+++ b/Documentation/kbuild/llvm.rst
@@ -178,7 +178,7 @@ yet. Bug reports are always welcome at the issue tracker below!
- ``LLVM=1``
* - s390
- Maintained
- - ``CC=clang``
+ - ``LLVM=1`` (LLVM >= 18.1.0), ``CC=clang`` (LLVM < 18.1.0)
* - um (User Mode)
- Maintained
- ``LLVM=1``
--
GitLab
From 89e5462bb5aee1e634a3d5bd41125809a929a486 Mon Sep 17 00:00:00 2001
From: Isak Ellmer <isak01@gmail.com>
Date: Sat, 30 Mar 2024 16:19:45 +0100
Subject: [PATCH 1871/2686] kconfig: Fix typo HEIGTH to HEIGHT
Fixed a typo in some variables where height was misspelled as heigth.
Signed-off-by: Isak Ellmer <isak01@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kconfig/lxdialog/checklist.c | 2 +-
scripts/kconfig/lxdialog/dialog.h | 12 ++++++------
scripts/kconfig/lxdialog/inputbox.c | 2 +-
scripts/kconfig/lxdialog/menubox.c | 2 +-
scripts/kconfig/lxdialog/textbox.c | 2 +-
scripts/kconfig/lxdialog/util.c | 2 +-
scripts/kconfig/lxdialog/yesno.c | 2 +-
scripts/kconfig/mconf.c | 4 ++--
8 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/scripts/kconfig/lxdialog/checklist.c b/scripts/kconfig/lxdialog/checklist.c
index 31d0a89fbeb7a..75493302fb857 100644
--- a/scripts/kconfig/lxdialog/checklist.c
+++ b/scripts/kconfig/lxdialog/checklist.c
@@ -119,7 +119,7 @@ int dialog_checklist(const char *title, const char *prompt, int height,
}
do_resize:
- if (getmaxy(stdscr) < (height + CHECKLIST_HEIGTH_MIN))
+ if (getmaxy(stdscr) < (height + CHECKLIST_HEIGHT_MIN))
return -ERRDISPLAYTOOSMALL;
if (getmaxx(stdscr) < (width + CHECKLIST_WIDTH_MIN))
return -ERRDISPLAYTOOSMALL;
diff --git a/scripts/kconfig/lxdialog/dialog.h b/scripts/kconfig/lxdialog/dialog.h
index 2d15ba893fbf8..f6c2ebe6d1f91 100644
--- a/scripts/kconfig/lxdialog/dialog.h
+++ b/scripts/kconfig/lxdialog/dialog.h
@@ -162,17 +162,17 @@ int on_key_esc(WINDOW *win);
int on_key_resize(void);
/* minimum (re)size values */
-#define CHECKLIST_HEIGTH_MIN 6 /* For dialog_checklist() */
+#define CHECKLIST_HEIGHT_MIN 6 /* For dialog_checklist() */
#define CHECKLIST_WIDTH_MIN 6
-#define INPUTBOX_HEIGTH_MIN 2 /* For dialog_inputbox() */
+#define INPUTBOX_HEIGHT_MIN 2 /* For dialog_inputbox() */
#define INPUTBOX_WIDTH_MIN 2
-#define MENUBOX_HEIGTH_MIN 15 /* For dialog_menu() */
+#define MENUBOX_HEIGHT_MIN 15 /* For dialog_menu() */
#define MENUBOX_WIDTH_MIN 65
-#define TEXTBOX_HEIGTH_MIN 8 /* For dialog_textbox() */
+#define TEXTBOX_HEIGHT_MIN 8 /* For dialog_textbox() */
#define TEXTBOX_WIDTH_MIN 8
-#define YESNO_HEIGTH_MIN 4 /* For dialog_yesno() */
+#define YESNO_HEIGHT_MIN 4 /* For dialog_yesno() */
#define YESNO_WIDTH_MIN 4
-#define WINDOW_HEIGTH_MIN 19 /* For init_dialog() */
+#define WINDOW_HEIGHT_MIN 19 /* For init_dialog() */
#define WINDOW_WIDTH_MIN 80
int init_dialog(const char *backtitle);
diff --git a/scripts/kconfig/lxdialog/inputbox.c b/scripts/kconfig/lxdialog/inputbox.c
index 1dcfb288ee636..3c6e24b20f5be 100644
--- a/scripts/kconfig/lxdialog/inputbox.c
+++ b/scripts/kconfig/lxdialog/inputbox.c
@@ -43,7 +43,7 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
strcpy(instr, init);
do_resize:
- if (getmaxy(stdscr) <= (height - INPUTBOX_HEIGTH_MIN))
+ if (getmaxy(stdscr) <= (height - INPUTBOX_HEIGHT_MIN))
return -ERRDISPLAYTOOSMALL;
if (getmaxx(stdscr) <= (width - INPUTBOX_WIDTH_MIN))
return -ERRDISPLAYTOOSMALL;
diff --git a/scripts/kconfig/lxdialog/menubox.c b/scripts/kconfig/lxdialog/menubox.c
index 0e333284e947b..6e6244df0c56e 100644
--- a/scripts/kconfig/lxdialog/menubox.c
+++ b/scripts/kconfig/lxdialog/menubox.c
@@ -172,7 +172,7 @@ int dialog_menu(const char *title, const char *prompt,
do_resize:
height = getmaxy(stdscr);
width = getmaxx(stdscr);
- if (height < MENUBOX_HEIGTH_MIN || width < MENUBOX_WIDTH_MIN)
+ if (height < MENUBOX_HEIGHT_MIN || width < MENUBOX_WIDTH_MIN)
return -ERRDISPLAYTOOSMALL;
height -= 4;
diff --git a/scripts/kconfig/lxdialog/textbox.c b/scripts/kconfig/lxdialog/textbox.c
index 058ed0e5bbd54..0abaf635978f9 100644
--- a/scripts/kconfig/lxdialog/textbox.c
+++ b/scripts/kconfig/lxdialog/textbox.c
@@ -175,7 +175,7 @@ int dialog_textbox(const char *title, const char *tbuf, int initial_height,
do_resize:
getmaxyx(stdscr, height, width);
- if (height < TEXTBOX_HEIGTH_MIN || width < TEXTBOX_WIDTH_MIN)
+ if (height < TEXTBOX_HEIGHT_MIN || width < TEXTBOX_WIDTH_MIN)
return -ERRDISPLAYTOOSMALL;
if (initial_height != 0)
height = initial_height;
diff --git a/scripts/kconfig/lxdialog/util.c b/scripts/kconfig/lxdialog/util.c
index 3fb7508b68a24..f18e2a89f6135 100644
--- a/scripts/kconfig/lxdialog/util.c
+++ b/scripts/kconfig/lxdialog/util.c
@@ -291,7 +291,7 @@ int init_dialog(const char *backtitle)
getyx(stdscr, saved_y, saved_x);
getmaxyx(stdscr, height, width);
- if (height < WINDOW_HEIGTH_MIN || width < WINDOW_WIDTH_MIN) {
+ if (height < WINDOW_HEIGHT_MIN || width < WINDOW_WIDTH_MIN) {
endwin();
return -ERRDISPLAYTOOSMALL;
}
diff --git a/scripts/kconfig/lxdialog/yesno.c b/scripts/kconfig/lxdialog/yesno.c
index bcaac9b7bab2c..b57d25e1549fe 100644
--- a/scripts/kconfig/lxdialog/yesno.c
+++ b/scripts/kconfig/lxdialog/yesno.c
@@ -32,7 +32,7 @@ int dialog_yesno(const char *title, const char *prompt, int height, int width)
WINDOW *dialog;
do_resize:
- if (getmaxy(stdscr) < (height + YESNO_HEIGTH_MIN))
+ if (getmaxy(stdscr) < (height + YESNO_HEIGHT_MIN))
return -ERRDISPLAYTOOSMALL;
if (getmaxx(stdscr) < (width + YESNO_WIDTH_MIN))
return -ERRDISPLAYTOOSMALL;
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index f4bb391d50cf9..c0969097447da 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -659,9 +659,9 @@ static void conf_choice(struct menu *menu)
dialog_clear();
res = dialog_checklist(prompt ? prompt : "Main Menu",
radiolist_instructions,
- MENUBOX_HEIGTH_MIN,
+ MENUBOX_HEIGHT_MIN,
MENUBOX_WIDTH_MIN,
- CHECKLIST_HEIGTH_MIN);
+ CHECKLIST_HEIGHT_MIN);
selected = item_activate_selected();
switch (res) {
case 0:
--
GitLab
From 39cd87c4eb2b893354f3b850f916353f2658ae6f Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 31 Mar 2024 14:32:39 -0700
Subject: [PATCH 1872/2686] Linux 6.9-rc2
---
Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 763b6792d3d51..4bef6323c47de 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 6
PATCHLEVEL = 9
SUBLEVEL = 0
-EXTRAVERSION = -rc1
+EXTRAVERSION = -rc2
NAME = Hurr durr I'ma ninja sloth
# *DOCUMENTATION*
--
GitLab
From ebd9779683aaf089ad0173862553cdd3288ad9b4 Mon Sep 17 00:00:00 2001
From: Justin Stitt <justinstitt@google.com>
Date: Thu, 28 Mar 2024 21:44:48 +0000
Subject: [PATCH 1873/2686] smb: client: replace deprecated strncpy with
strscpy
strncpy() is deprecated for use on NUL-terminated destination strings
[1] and as such we should prefer more robust and less ambiguous string
interfaces.
In cifssmb.c:
Using strncpy with a length argument equal to strlen(src) is generally
dangerous because it can cause string buffers to not be NUL-terminated.
In this case, however, there was extra effort made to ensure the buffer
was NUL-terminated via a manual NUL-byte assignment. In an effort to rid
the kernel of strncpy() use, let's swap over to using strscpy() which
guarantees NUL-termination on the destination buffer.
To handle the case where ea_name is NULL, let's use the ?: operator to
substitute in an empty string, thereby allowing strscpy to still
NUL-terminate the destintation string.
Interesting note: this flex array buffer may go on to also have some
value encoded after the NUL-termination:
| if (ea_value_len)
| memcpy(parm_data->list.name + name_len + 1,
| ea_value, ea_value_len);
Now for smb2ops.c and smb2transport.c:
Both of these cases are simple, strncpy() is used to copy string
literals which have a length less than the destination buffer's size. We
can simply swap in the new 2-argument version of strscpy() introduced in
Commit e6584c3964f2f ("string: Allow 2-argument strscpy()").
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2]
Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Justin Stitt <justinstitt@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/cifssmb.c | 6 ++----
fs/smb/client/smb2ops.c | 2 +-
fs/smb/client/smb2transport.c | 2 +-
3 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/fs/smb/client/cifssmb.c b/fs/smb/client/cifssmb.c
index 5aee555515730..23b5709ddc311 100644
--- a/fs/smb/client/cifssmb.c
+++ b/fs/smb/client/cifssmb.c
@@ -5854,10 +5854,8 @@ CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
parm_data->list.EA_flags = 0;
/* we checked above that name len is less than 255 */
parm_data->list.name_len = (__u8)name_len;
- /* EA names are always ASCII */
- if (ea_name)
- strncpy(parm_data->list.name, ea_name, name_len);
- parm_data->list.name[name_len] = '\0';
+ /* EA names are always ASCII and NUL-terminated */
+ strscpy(parm_data->list.name, ea_name ?: "", name_len + 1);
parm_data->list.value_len = cpu_to_le16(ea_value_len);
/* caller ensures that ea_value_len is less than 64K but
we need to ensure that it fits within the smb */
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index 2ed456948f34c..35bf7eb315cdf 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -3913,7 +3913,7 @@ smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock,
strcat(message, "W");
}
if (!new_oplock)
- strncpy(message, "None", sizeof(message));
+ strscpy(message, "None");
cinode->oplock = new_oplock;
cifs_dbg(FYI, "%s Lease granted on inode %p\n", message,
diff --git a/fs/smb/client/smb2transport.c b/fs/smb/client/smb2transport.c
index 5a3ca62d2f07f..1d6e54f7879e6 100644
--- a/fs/smb/client/smb2transport.c
+++ b/fs/smb/client/smb2transport.c
@@ -659,7 +659,7 @@ smb2_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server)
}
spin_unlock(&server->srv_lock);
if (!is_binding && !server->session_estab) {
- strncpy(shdr->Signature, "BSRSPYL", 8);
+ strscpy(shdr->Signature, "BSRSPYL");
return 0;
}
--
GitLab
From 52f80bb181a9a1530ade30bc18991900bbb9697f Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 26 Mar 2024 15:53:37 +0100
Subject: [PATCH 1874/2686] ata: sata_sx4: fix pdc20621_get_from_dimm() on
64-bit
gcc warns about a memcpy() with overlapping pointers because of an
incorrect size calculation:
In file included from include/linux/string.h:369,
from drivers/ata/sata_sx4.c:66:
In function 'memcpy_fromio',
inlined from 'pdc20621_get_from_dimm.constprop' at drivers/ata/sata_sx4.c:962:2:
include/linux/fortify-string.h:97:33: error: '__builtin_memcpy' accessing 4294934464 bytes at offsets 0 and [16, 16400] overlaps 6442385281 bytes at offset -2147450817 [-Werror=restrict]
97 | #define __underlying_memcpy __builtin_memcpy
| ^
include/linux/fortify-string.h:620:9: note: in expansion of macro '__underlying_memcpy'
620 | __underlying_##op(p, q, __fortify_size); \
| ^~~~~~~~~~~~~
include/linux/fortify-string.h:665:26: note: in expansion of macro '__fortify_memcpy_chk'
665 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
| ^~~~~~~~~~~~~~~~~~~~
include/asm-generic/io.h:1184:9: note: in expansion of macro 'memcpy'
1184 | memcpy(buffer, __io_virt(addr), size);
| ^~~~~~
The problem here is the overflow of an unsigned 32-bit number to a
negative that gets converted into a signed 'long', keeping a large
positive number.
Replace the complex calculation with a more readable min() variant
that avoids the warning.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
---
drivers/ata/sata_sx4.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index b51d7a9d0d90c..a482741eb181f 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -957,8 +957,7 @@ static void pdc20621_get_from_dimm(struct ata_host *host, void *psource,
offset -= (idx * window_size);
idx++;
- dist = ((long) (window_size - (offset + size))) >= 0 ? size :
- (long) (window_size - offset);
+ dist = min(size, window_size - offset);
memcpy_fromio(psource, dimm_mmio + offset / 4, dist);
psource += dist;
@@ -1005,8 +1004,7 @@ static void pdc20621_put_to_dimm(struct ata_host *host, void *psource,
readl(mmio + PDC_DIMM_WINDOW_CTLR);
offset -= (idx * window_size);
idx++;
- dist = ((long)(s32)(window_size - (offset + size))) >= 0 ? size :
- (long) (window_size - offset);
+ dist = min(size, window_size - offset);
memcpy_toio(dimm_mmio + offset / 4, psource, dist);
writel(0x01, mmio + PDC_GENERAL_CTLR);
readl(mmio + PDC_GENERAL_CTLR);
--
GitLab
From 7d899947bca5e1dc2447d9cffb2b31c989e0ceb4 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Wed, 27 Mar 2024 18:49:36 +0100
Subject: [PATCH 1875/2686] ata: pata_macio: drop driver owner assignment
PCI core in pci_register_driver() already sets the .owner, so driver
does not need to.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
---
drivers/ata/pata_macio.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index 4ac854f6b0577..88b2e9817f49d 100644
--- a/drivers/ata/pata_macio.c
+++ b/drivers/ata/pata_macio.c
@@ -1371,9 +1371,6 @@ static struct pci_driver pata_macio_pci_driver = {
.suspend = pata_macio_pci_suspend,
.resume = pata_macio_pci_resume,
#endif
- .driver = {
- .owner = THIS_MODULE,
- },
};
MODULE_DEVICE_TABLE(pci, pata_macio_pci_match);
--
GitLab
From a5e3dce493d4b12b74000b6a99b6712afa5d1a4d Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 22 Mar 2024 00:15:41 -0400
Subject: [PATCH 1876/2686] bcachefs: Fix assert in bch2_backpointer_invalid()
Backpointers that point to invalid devices are caught by fsck, not
.key_invalid; so .key_invalid needs to check for them instead of hitting
asserts.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/backpointers.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/fs/bcachefs/backpointers.c b/fs/bcachefs/backpointers.c
index 8cb35ea572cb9..21b3ae7df8240 100644
--- a/fs/bcachefs/backpointers.c
+++ b/fs/bcachefs/backpointers.c
@@ -44,6 +44,11 @@ int bch2_backpointer_invalid(struct bch_fs *c, struct bkey_s_c k,
struct printbuf *err)
{
struct bkey_s_c_backpointer bp = bkey_s_c_to_backpointer(k);
+
+ /* these will be caught by fsck */
+ if (!bch2_dev_exists2(c, bp.k->p.inode))
+ return 0;
+
struct bpos bucket = bp_pos_to_bucket(c, bp.k->p);
int ret = 0;
--
GitLab
From 8aad8e1f659fcea1b24072e816e434e4cd12382d Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 22 Mar 2024 04:01:27 -0400
Subject: [PATCH 1877/2686] bcachefs: Fix journal pins in btree write buffer
btree write buffer flush has two phases
- in natural key order, which is more efficient but may fail
- then in journal order
The journal order flush was assuming that keys were still correctly
ordered by journal sequence number - but due to coalescing by the
previous phase, we need an additional sort.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_write_buffer.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/fs/bcachefs/btree_write_buffer.c b/fs/bcachefs/btree_write_buffer.c
index 5cbad8445782c..baf63e2fddb64 100644
--- a/fs/bcachefs/btree_write_buffer.c
+++ b/fs/bcachefs/btree_write_buffer.c
@@ -11,6 +11,7 @@
#include "journal_reclaim.h"
#include <linux/prefetch.h>
+#include <linux/sort.h>
static int bch2_btree_write_buffer_journal_flush(struct journal *,
struct journal_entry_pin *, u64);
@@ -46,6 +47,14 @@ static inline bool wb_key_ref_cmp(const struct wb_key_ref *l, const struct wb_ke
#endif
}
+static int wb_key_seq_cmp(const void *_l, const void *_r)
+{
+ const struct btree_write_buffered_key *l = _l;
+ const struct btree_write_buffered_key *r = _r;
+
+ return cmp_int(l->journal_seq, r->journal_seq);
+}
+
/* Compare excluding idx, the low 24 bits: */
static inline bool wb_key_eq(const void *_l, const void *_r)
{
@@ -357,6 +366,11 @@ static int bch2_btree_write_buffer_flush_locked(struct btree_trans *trans)
*/
trace_and_count(c, write_buffer_flush_slowpath, trans, slowpath, wb->flushing.keys.nr);
+ sort(wb->flushing.keys.data,
+ wb->flushing.keys.nr,
+ sizeof(wb->flushing.keys.data[0]),
+ wb_key_seq_cmp, NULL);
+
darray_for_each(wb->flushing.keys, i) {
if (!i->journal_seq)
continue;
--
GitLab
From 688d750d10aa9c4fb71c5154521c775f94c887e0 Mon Sep 17 00:00:00 2001
From: Thomas Bertschinger <tahbertschinger@gmail.com>
Date: Wed, 20 Mar 2024 21:42:42 -0600
Subject: [PATCH 1878/2686] bcachefs: fix misplaced newline in
__bch2_inode_unpacked_to_text()
before:
u64s 18 type inode_v3 0:1879048192:U32_MAX len 0 ver 0: mode=40700
flags= (15300000)
journal_seq=4
bi_size=0
bi_sectors=0
bi_version=0bi_atime=227064388944
...
after:
u64s 18 type inode_v3 0:1879048192:U32_MAX len 0 ver 0: mode=40700
flags= (15300000)
journal_seq=4
bi_size=0
bi_sectors=0
bi_version=0
bi_atime=227064388944
...
Signed-off-by: Thomas Bertschinger <tahbertschinger@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/inode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/bcachefs/inode.c b/fs/bcachefs/inode.c
index 2b5e06770ab39..ca4a066e9a542 100644
--- a/fs/bcachefs/inode.c
+++ b/fs/bcachefs/inode.c
@@ -552,8 +552,8 @@ static void __bch2_inode_unpacked_to_text(struct printbuf *out,
prt_printf(out, "bi_sectors=%llu", inode->bi_sectors);
prt_newline(out);
- prt_newline(out);
prt_printf(out, "bi_version=%llu", inode->bi_version);
+ prt_newline(out);
#define x(_name, _bits) \
prt_printf(out, #_name "=%llu", (u64) inode->_name); \
--
GitLab
From 4bd02d3fb33d8a46e73085b8d47d21c0ccb3de9d Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 28 Mar 2024 01:20:36 -0400
Subject: [PATCH 1879/2686] bcachefs: fix mount error path
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/fs.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/bcachefs/fs.c b/fs/bcachefs/fs.c
index 0ccee05f6887b..b5ea9fa1259d1 100644
--- a/fs/bcachefs/fs.c
+++ b/fs/bcachefs/fs.c
@@ -1997,6 +1997,7 @@ static struct dentry *bch2_mount(struct file_system_type *fs_type,
return dget(sb->s_root);
err_put_super:
+ __bch2_fs_stop(c);
deactivate_locked_super(sb);
return ERR_PTR(bch2_err_class(ret));
}
--
GitLab
From aa6e130e3c2965a5c26a4033ff63b5dc9549bd76 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sun, 24 Mar 2024 19:52:03 -0400
Subject: [PATCH 1880/2686] bcachefs: Add an assertion for trying to evict
btree root
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_cache.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/bcachefs/btree_cache.c b/fs/bcachefs/btree_cache.c
index 562561a9a510e..8ff21b2e14636 100644
--- a/fs/bcachefs/btree_cache.c
+++ b/fs/bcachefs/btree_cache.c
@@ -1134,6 +1134,8 @@ void bch2_btree_node_evict(struct btree_trans *trans, const struct bkey_i *k)
b = btree_cache_find(bc, k);
if (!b)
return;
+
+ BUG_ON(b == btree_node_root(trans->c, b));
wait_on_io:
/* not allowed to wait on io with btree locks held: */
--
GitLab
From 63332394c7e1f4f26e8e5b1387212016aaa7eae2 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 21 Mar 2024 20:16:23 -0400
Subject: [PATCH 1881/2686] bcachefs: Move snapshot table size to struct
snapshot_table
We need to add bounds checking for snapshot table accesses - it turns
out there are cases where we do need to use the snapshots table before
fsck checks have completed (and indeed, fsck may not have been run).
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/bcachefs.h | 1 -
fs/bcachefs/snapshot.c | 25 ++++++++++++++-----------
fs/bcachefs/snapshot.h | 6 +++++-
fs/bcachefs/subvolume_types.h | 2 ++
4 files changed, 21 insertions(+), 13 deletions(-)
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index 799aa32b6b4d9..a9ade0b1f78cf 100644
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -810,7 +810,6 @@ struct bch_fs {
/* snapshot.c: */
struct snapshot_table __rcu *snapshots;
- size_t snapshot_table_size;
struct mutex snapshot_table_lock;
struct rw_semaphore snapshot_create_lock;
diff --git a/fs/bcachefs/snapshot.c b/fs/bcachefs/snapshot.c
index 39debe814bf39..9cd71e613dc9b 100644
--- a/fs/bcachefs/snapshot.c
+++ b/fs/bcachefs/snapshot.c
@@ -151,36 +151,39 @@ bool __bch2_snapshot_is_ancestor(struct bch_fs *c, u32 id, u32 ancestor)
static noinline struct snapshot_t *__snapshot_t_mut(struct bch_fs *c, u32 id)
{
size_t idx = U32_MAX - id;
- size_t new_size;
struct snapshot_table *new, *old;
- new_size = max(16UL, roundup_pow_of_two(idx + 1));
+ size_t new_bytes = kmalloc_size_roundup(struct_size(new, s, idx + 1));
+ size_t new_size = (new_bytes - sizeof(*new)) / sizeof(new->s[0]);
- new = kvzalloc(struct_size(new, s, new_size), GFP_KERNEL);
+ new = kvzalloc(new_bytes, GFP_KERNEL);
if (!new)
return NULL;
+ new->nr = new_size;
+
old = rcu_dereference_protected(c->snapshots, true);
if (old)
- memcpy(new->s,
- rcu_dereference_protected(c->snapshots, true)->s,
- sizeof(new->s[0]) * c->snapshot_table_size);
+ memcpy(new->s, old->s, sizeof(old->s[0]) * old->nr);
rcu_assign_pointer(c->snapshots, new);
- c->snapshot_table_size = new_size;
- kvfree_rcu_mightsleep(old);
+ kvfree_rcu(old, rcu);
- return &rcu_dereference_protected(c->snapshots, true)->s[idx];
+ return &rcu_dereference_protected(c->snapshots,
+ lockdep_is_held(&c->snapshot_table_lock))->s[idx];
}
static inline struct snapshot_t *snapshot_t_mut(struct bch_fs *c, u32 id)
{
size_t idx = U32_MAX - id;
+ struct snapshot_table *table =
+ rcu_dereference_protected(c->snapshots,
+ lockdep_is_held(&c->snapshot_table_lock));
lockdep_assert_held(&c->snapshot_table_lock);
- if (likely(idx < c->snapshot_table_size))
- return &rcu_dereference_protected(c->snapshots, true)->s[idx];
+ if (likely(table && idx < table->nr))
+ return &table->s[idx];
return __snapshot_t_mut(c, id);
}
diff --git a/fs/bcachefs/snapshot.h b/fs/bcachefs/snapshot.h
index 7c66ffc06385d..8538b7fddfed3 100644
--- a/fs/bcachefs/snapshot.h
+++ b/fs/bcachefs/snapshot.h
@@ -33,7 +33,11 @@ int bch2_mark_snapshot(struct btree_trans *, enum btree_id, unsigned,
static inline struct snapshot_t *__snapshot_t(struct snapshot_table *t, u32 id)
{
- return &t->s[U32_MAX - id];
+ u32 idx = U32_MAX - id;
+
+ return likely(t && idx < t->nr)
+ ? &t->s[idx]
+ : NULL;
}
static inline const struct snapshot_t *snapshot_t(struct bch_fs *c, u32 id)
diff --git a/fs/bcachefs/subvolume_types.h b/fs/bcachefs/subvolume_types.h
index ae644adfc3916..9b10c8947828e 100644
--- a/fs/bcachefs/subvolume_types.h
+++ b/fs/bcachefs/subvolume_types.h
@@ -20,6 +20,8 @@ struct snapshot_t {
};
struct snapshot_table {
+ struct rcu_head rcu;
+ size_t nr;
#ifndef RUST_BINDGEN
DECLARE_FLEX_ARRAY(struct snapshot_t, s);
#else
--
GitLab
From ec9cc18fc2e65b08c588e01f24aaeb71551a7132 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 22 Mar 2024 16:29:23 -0400
Subject: [PATCH 1882/2686] bcachefs: Add checks for invalid snapshot IDs
Previously, we assumed that keys were consistent with the snapshots
btree - but that's not correct as fsck may not have been run or may not
be complete.
This adds checks and error handling when using the in-memory snapshots
table (that mirrors the snapshots btree).
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_trans_commit.c | 2 +-
fs/bcachefs/data_update.c | 9 +++++
fs/bcachefs/errcode.h | 3 +-
fs/bcachefs/snapshot.c | 8 +++--
fs/bcachefs/snapshot.h | 57 ++++++++++++--------------------
5 files changed, 40 insertions(+), 39 deletions(-)
diff --git a/fs/bcachefs/btree_trans_commit.c b/fs/bcachefs/btree_trans_commit.c
index 30d69a6d133ee..96669fede7d34 100644
--- a/fs/bcachefs/btree_trans_commit.c
+++ b/fs/bcachefs/btree_trans_commit.c
@@ -318,7 +318,7 @@ static inline void btree_insert_entry_checks(struct btree_trans *trans,
!(i->flags & BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE) &&
test_bit(JOURNAL_REPLAY_DONE, &trans->c->journal.flags) &&
i->k->k.p.snapshot &&
- bch2_snapshot_is_internal_node(trans->c, i->k->k.p.snapshot));
+ bch2_snapshot_is_internal_node(trans->c, i->k->k.p.snapshot) > 0);
}
static __always_inline int bch2_trans_journal_res_get(struct btree_trans *trans,
diff --git a/fs/bcachefs/data_update.c b/fs/bcachefs/data_update.c
index 4150feca42a2e..b564404dad711 100644
--- a/fs/bcachefs/data_update.c
+++ b/fs/bcachefs/data_update.c
@@ -14,6 +14,7 @@
#include "move.h"
#include "nocow_locking.h"
#include "rebalance.h"
+#include "snapshot.h"
#include "subvolume.h"
#include "trace.h"
@@ -509,6 +510,14 @@ int bch2_data_update_init(struct btree_trans *trans,
unsigned ptrs_locked = 0;
int ret = 0;
+ /*
+ * fs is corrupt we have a key for a snapshot node that doesn't exist,
+ * and we have to check for this because we go rw before repairing the
+ * snapshots table - just skip it, we can move it later.
+ */
+ if (unlikely(k.k->p.snapshot && !bch2_snapshot_equiv(c, k.k->p.snapshot)))
+ return -BCH_ERR_data_update_done;
+
bch2_bkey_buf_init(&m->k);
bch2_bkey_buf_reassemble(&m->k, c, k);
m->btree_id = btree_id;
diff --git a/fs/bcachefs/errcode.h b/fs/bcachefs/errcode.h
index af25d8ec60f22..01a79fa3eacb2 100644
--- a/fs/bcachefs/errcode.h
+++ b/fs/bcachefs/errcode.h
@@ -252,7 +252,8 @@
x(BCH_ERR_nopromote, nopromote_in_flight) \
x(BCH_ERR_nopromote, nopromote_no_writes) \
x(BCH_ERR_nopromote, nopromote_enomem) \
- x(0, need_inode_lock)
+ x(0, need_inode_lock) \
+ x(0, invalid_snapshot_node)
enum bch_errcode {
BCH_ERR_START = 2048,
diff --git a/fs/bcachefs/snapshot.c b/fs/bcachefs/snapshot.c
index 9cd71e613dc9b..4e074136c4907 100644
--- a/fs/bcachefs/snapshot.c
+++ b/fs/bcachefs/snapshot.c
@@ -93,8 +93,10 @@ static int bch2_snapshot_tree_create(struct btree_trans *trans,
static bool __bch2_snapshot_is_ancestor_early(struct snapshot_table *t, u32 id, u32 ancestor)
{
- while (id && id < ancestor)
- id = __snapshot_t(t, id)->parent;
+ while (id && id < ancestor) {
+ const struct snapshot_t *s = __snapshot_t(t, id);
+ id = s ? s->parent : 0;
+ }
return id == ancestor;
}
@@ -110,6 +112,8 @@ static bool bch2_snapshot_is_ancestor_early(struct bch_fs *c, u32 id, u32 ancest
static inline u32 get_ancestor_below(struct snapshot_table *t, u32 id, u32 ancestor)
{
const struct snapshot_t *s = __snapshot_t(t, id);
+ if (!s)
+ return 0;
if (s->skip[2] <= ancestor)
return s->skip[2];
diff --git a/fs/bcachefs/snapshot.h b/fs/bcachefs/snapshot.h
index 8538b7fddfed3..331f20fd8d03d 100644
--- a/fs/bcachefs/snapshot.h
+++ b/fs/bcachefs/snapshot.h
@@ -48,7 +48,8 @@ static inline const struct snapshot_t *snapshot_t(struct bch_fs *c, u32 id)
static inline u32 bch2_snapshot_tree(struct bch_fs *c, u32 id)
{
rcu_read_lock();
- id = snapshot_t(c, id)->tree;
+ const struct snapshot_t *s = snapshot_t(c, id);
+ id = s ? s->tree : 0;
rcu_read_unlock();
return id;
@@ -56,7 +57,8 @@ static inline u32 bch2_snapshot_tree(struct bch_fs *c, u32 id)
static inline u32 __bch2_snapshot_parent_early(struct bch_fs *c, u32 id)
{
- return snapshot_t(c, id)->parent;
+ const struct snapshot_t *s = snapshot_t(c, id);
+ return s ? s->parent : 0;
}
static inline u32 bch2_snapshot_parent_early(struct bch_fs *c, u32 id)
@@ -70,19 +72,19 @@ static inline u32 bch2_snapshot_parent_early(struct bch_fs *c, u32 id)
static inline u32 __bch2_snapshot_parent(struct bch_fs *c, u32 id)
{
-#ifdef CONFIG_BCACHEFS_DEBUG
- u32 parent = snapshot_t(c, id)->parent;
+ const struct snapshot_t *s = snapshot_t(c, id);
+ if (!s)
+ return 0;
- if (parent &&
- snapshot_t(c, id)->depth != snapshot_t(c, parent)->depth + 1)
+ u32 parent = s->parent;
+ if (IS_ENABLED(CONFIG_BCACHEFS_DEBU) &&
+ parent &&
+ s->depth != snapshot_t(c, parent)->depth + 1)
panic("id %u depth=%u parent %u depth=%u\n",
id, snapshot_t(c, id)->depth,
parent, snapshot_t(c, parent)->depth);
return parent;
-#else
- return snapshot_t(c, id)->parent;
-#endif
}
static inline u32 bch2_snapshot_parent(struct bch_fs *c, u32 id)
@@ -120,7 +122,8 @@ static inline u32 bch2_snapshot_root(struct bch_fs *c, u32 id)
static inline u32 __bch2_snapshot_equiv(struct bch_fs *c, u32 id)
{
- return snapshot_t(c, id)->equiv;
+ const struct snapshot_t *s = snapshot_t(c, id);
+ return s ? s->equiv : 0;
}
static inline u32 bch2_snapshot_equiv(struct bch_fs *c, u32 id)
@@ -137,38 +140,22 @@ static inline bool bch2_snapshot_is_equiv(struct bch_fs *c, u32 id)
return id == bch2_snapshot_equiv(c, id);
}
-static inline bool bch2_snapshot_is_internal_node(struct bch_fs *c, u32 id)
+static inline int bch2_snapshot_is_internal_node(struct bch_fs *c, u32 id)
{
- const struct snapshot_t *s;
- bool ret;
-
rcu_read_lock();
- s = snapshot_t(c, id);
- ret = s->children[0];
+ const struct snapshot_t *s = snapshot_t(c, id);
+ int ret = s ? s->children[0] : -BCH_ERR_invalid_snapshot_node;
rcu_read_unlock();
return ret;
}
-static inline u32 bch2_snapshot_is_leaf(struct bch_fs *c, u32 id)
+static inline int bch2_snapshot_is_leaf(struct bch_fs *c, u32 id)
{
- return !bch2_snapshot_is_internal_node(c, id);
-}
-
-static inline u32 bch2_snapshot_sibling(struct bch_fs *c, u32 id)
-{
- const struct snapshot_t *s;
- u32 parent = __bch2_snapshot_parent(c, id);
-
- if (!parent)
- return 0;
-
- s = snapshot_t(c, __bch2_snapshot_parent(c, id));
- if (id == s->children[0])
- return s->children[1];
- if (id == s->children[1])
- return s->children[0];
- return 0;
+ int ret = bch2_snapshot_is_internal_node(c, id);
+ if (ret < 0)
+ return ret;
+ return !ret;
}
static inline u32 bch2_snapshot_depth(struct bch_fs *c, u32 parent)
@@ -253,7 +240,7 @@ static inline int bch2_key_has_snapshot_overwrites(struct btree_trans *trans,
struct bpos pos)
{
if (!btree_type_has_snapshots(id) ||
- bch2_snapshot_is_leaf(trans->c, pos.snapshot))
+ bch2_snapshot_is_leaf(trans->c, pos.snapshot) > 0)
return 0;
return __bch2_key_has_snapshot_overwrites(trans, id, pos);
--
GitLab
From 57339b24a0eda5433751e7e0f4a8ea1e23315f60 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 23 Mar 2024 19:29:55 -0400
Subject: [PATCH 1883/2686] bcachefs: Don't do extent merging before journal
replay is finished
We don't normally do extent updates this early in recovery, but some of
the repair paths have to and when we do, we don't want to do anything
that requires the snapshots table.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_update.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/fs/bcachefs/btree_update.c b/fs/bcachefs/btree_update.c
index a4b40c1656a54..8e47e260eba59 100644
--- a/fs/bcachefs/btree_update.c
+++ b/fs/bcachefs/btree_update.c
@@ -38,6 +38,9 @@ static noinline int extent_front_merge(struct btree_trans *trans,
struct bkey_i *update;
int ret;
+ if (unlikely(trans->journal_replay_not_finished))
+ return 0;
+
update = bch2_bkey_make_mut_noupdate(trans, k);
ret = PTR_ERR_OR_ZERO(update);
if (ret)
@@ -69,6 +72,9 @@ static noinline int extent_back_merge(struct btree_trans *trans,
struct bch_fs *c = trans->c;
int ret;
+ if (unlikely(trans->journal_replay_not_finished))
+ return 0;
+
ret = bch2_key_has_snapshot_overwrites(trans, iter->btree_id, insert->k.p) ?:
bch2_key_has_snapshot_overwrites(trans, iter->btree_id, k.k->p);
if (ret < 0)
--
GitLab
From 36f9ef109b1c6935928d09a3e73d744291f71545 Mon Sep 17 00:00:00 2001
From: Hongbo Li <lihongbo22@huawei.com>
Date: Mon, 25 Mar 2024 10:50:48 +0800
Subject: [PATCH 1884/2686] bcachefs: fix trans->mem realloc in
__bch2_trans_kmalloc
The old code doesn't consider the mem alloced from mempool when call
krealloc on trans->mem. Also in bch2_trans_put, using mempool_free to
free trans->mem by condition "trans->mem_bytes == BTREE_TRANS_MEM_MAX"
is inaccurate when trans->mem was allocated by krealloc function.
Instead, we use used_mempool stuff to record the situation, and realloc
or free the trans->mem in elegant way.
Also, after krealloc failed in __bch2_trans_kmalloc, the old data
should be copied to the new buffer when alloc from mempool_alloc.
Fixes: 31403dca5bb1 ("bcachefs: optimize __bch2_trans_get(), kill DEBUG_TRANSACTIONS")
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_iter.c | 33 ++++++++++++++++++++++++++++++---
1 file changed, 30 insertions(+), 3 deletions(-)
diff --git a/fs/bcachefs/btree_iter.c b/fs/bcachefs/btree_iter.c
index 51bcdc6c6d1cd..ae4a28a33ad1a 100644
--- a/fs/bcachefs/btree_iter.c
+++ b/fs/bcachefs/btree_iter.c
@@ -2790,6 +2790,31 @@ void *__bch2_trans_kmalloc(struct btree_trans *trans, size_t size)
struct btree_transaction_stats *s = btree_trans_stats(trans);
s->max_mem = max(s->max_mem, new_bytes);
+ if (trans->used_mempool) {
+ if (trans->mem_bytes >= new_bytes)
+ goto out_change_top;
+
+ /* No more space from mempool item, need malloc new one */
+ new_mem = kmalloc(new_bytes, GFP_NOWAIT|__GFP_NOWARN);
+ if (unlikely(!new_mem)) {
+ bch2_trans_unlock(trans);
+
+ new_mem = kmalloc(new_bytes, GFP_KERNEL);
+ if (!new_mem)
+ return ERR_PTR(-BCH_ERR_ENOMEM_trans_kmalloc);
+
+ ret = bch2_trans_relock(trans);
+ if (ret) {
+ kfree(new_mem);
+ return ERR_PTR(ret);
+ }
+ }
+ memcpy(new_mem, trans->mem, trans->mem_top);
+ trans->used_mempool = false;
+ mempool_free(trans->mem, &c->btree_trans_mem_pool);
+ goto out_new_mem;
+ }
+
new_mem = krealloc(trans->mem, new_bytes, GFP_NOWAIT|__GFP_NOWARN);
if (unlikely(!new_mem)) {
bch2_trans_unlock(trans);
@@ -2798,6 +2823,8 @@ void *__bch2_trans_kmalloc(struct btree_trans *trans, size_t size)
if (!new_mem && new_bytes <= BTREE_TRANS_MEM_MAX) {
new_mem = mempool_alloc(&c->btree_trans_mem_pool, GFP_KERNEL);
new_bytes = BTREE_TRANS_MEM_MAX;
+ memcpy(new_mem, trans->mem, trans->mem_top);
+ trans->used_mempool = true;
kfree(trans->mem);
}
@@ -2811,7 +2838,7 @@ void *__bch2_trans_kmalloc(struct btree_trans *trans, size_t size)
if (ret)
return ERR_PTR(ret);
}
-
+out_new_mem:
trans->mem = new_mem;
trans->mem_bytes = new_bytes;
@@ -2819,7 +2846,7 @@ void *__bch2_trans_kmalloc(struct btree_trans *trans, size_t size)
trace_and_count(c, trans_restart_mem_realloced, trans, _RET_IP_, new_bytes);
return ERR_PTR(btree_trans_restart(trans, BCH_ERR_transaction_restart_mem_realloced));
}
-
+out_change_top:
p = trans->mem + trans->mem_top;
trans->mem_top += size;
memset(p, 0, size);
@@ -3093,7 +3120,7 @@ void bch2_trans_put(struct btree_trans *trans)
if (paths_allocated != trans->_paths_allocated)
kvfree_rcu_mightsleep(paths_allocated);
- if (trans->mem_bytes == BTREE_TRANS_MEM_MAX)
+ if (trans->used_mempool)
mempool_free(trans->mem, &c->btree_trans_mem_pool);
else
kfree(trans->mem);
--
GitLab
From 048f47e83fc315499dc1943176b3ebe1a55574fb Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Mon, 25 Mar 2024 13:51:29 -0400
Subject: [PATCH 1885/2686] bcachefs: btree_and_journal_iter now respects
trans->journal_replay_not_finished
btree_and_journal_iter is now safe to use at runtime, not just during
recovery before journal keys have been freed.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_journal_iter.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/fs/bcachefs/btree_journal_iter.c b/fs/bcachefs/btree_journal_iter.c
index 50e04356d72c8..0272ef0d73109 100644
--- a/fs/bcachefs/btree_journal_iter.c
+++ b/fs/bcachefs/btree_journal_iter.c
@@ -363,7 +363,7 @@ static void btree_and_journal_iter_prefetch(struct btree_and_journal_iter *_iter
struct bkey_s_c bch2_btree_and_journal_iter_peek(struct btree_and_journal_iter *iter)
{
- struct bkey_s_c btree_k, journal_k, ret;
+ struct bkey_s_c btree_k, journal_k = bkey_s_c_null, ret;
if (iter->prefetch && iter->journal.level)
btree_and_journal_iter_prefetch(iter);
@@ -375,9 +375,10 @@ struct bkey_s_c bch2_btree_and_journal_iter_peek(struct btree_and_journal_iter *
bpos_lt(btree_k.k->p, iter->pos))
bch2_journal_iter_advance_btree(iter);
- while ((journal_k = bch2_journal_iter_peek(&iter->journal)).k &&
- bpos_lt(journal_k.k->p, iter->pos))
- bch2_journal_iter_advance(&iter->journal);
+ if (iter->trans->journal_replay_not_finished)
+ while ((journal_k = bch2_journal_iter_peek(&iter->journal)).k &&
+ bpos_lt(journal_k.k->p, iter->pos))
+ bch2_journal_iter_advance(&iter->journal);
ret = journal_k.k &&
(!btree_k.k || bpos_le(journal_k.k->p, btree_k.k->p))
@@ -435,7 +436,9 @@ void bch2_btree_and_journal_iter_init_node_iter(struct btree_trans *trans,
bch2_btree_node_iter_init_from_start(&node_iter, b);
__bch2_btree_and_journal_iter_init_node_iter(trans, iter, b, node_iter, b->data->min_key);
- list_add(&iter->journal.list, &trans->c->journal_iters);
+ if (trans->journal_replay_not_finished &&
+ !test_bit(BCH_FS_may_go_rw, &trans->c->flags))
+ list_add(&iter->journal.list, &trans->c->journal_iters);
}
/* sort and dedup all keys in the journal: */
--
GitLab
From 40cb26233a060aeb936de7ea1f6ac2659ed9951c Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 26 Mar 2024 17:14:43 -0400
Subject: [PATCH 1886/2686] bcachefs: Be careful about btree node splits during
journal replay
Don't pick a pivot that's going to be deleted.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_journal_iter.c | 16 ++++++++++++++++
fs/bcachefs/btree_journal_iter.h | 4 ++--
fs/bcachefs/btree_update_interior.c | 9 ++++++++-
3 files changed, 26 insertions(+), 3 deletions(-)
diff --git a/fs/bcachefs/btree_journal_iter.c b/fs/bcachefs/btree_journal_iter.c
index 0272ef0d73109..1f588264575db 100644
--- a/fs/bcachefs/btree_journal_iter.c
+++ b/fs/bcachefs/btree_journal_iter.c
@@ -261,6 +261,22 @@ int bch2_journal_key_delete(struct bch_fs *c, enum btree_id id,
return bch2_journal_key_insert(c, id, level, &whiteout);
}
+bool bch2_key_deleted_in_journal(struct btree_trans *trans, enum btree_id btree,
+ unsigned level, struct bpos pos)
+{
+ struct journal_keys *keys = &trans->c->journal_keys;
+ size_t idx = bch2_journal_key_search(keys, btree, level, pos);
+
+ if (!trans->journal_replay_not_finished)
+ return false;
+
+ return (idx < keys->size &&
+ keys->data[idx].btree_id == btree &&
+ keys->data[idx].level == level &&
+ bpos_eq(keys->data[idx].k->k.p, pos) &&
+ bkey_deleted(&keys->data[idx].k->k));
+}
+
void bch2_journal_key_overwritten(struct bch_fs *c, enum btree_id btree,
unsigned level, struct bpos pos)
{
diff --git a/fs/bcachefs/btree_journal_iter.h b/fs/bcachefs/btree_journal_iter.h
index c9d19da3ea048..09cd53091a05b 100644
--- a/fs/bcachefs/btree_journal_iter.h
+++ b/fs/bcachefs/btree_journal_iter.h
@@ -40,8 +40,8 @@ int bch2_journal_key_insert(struct bch_fs *, enum btree_id,
unsigned, struct bkey_i *);
int bch2_journal_key_delete(struct bch_fs *, enum btree_id,
unsigned, struct bpos);
-void bch2_journal_key_overwritten(struct bch_fs *, enum btree_id,
- unsigned, struct bpos);
+bool bch2_key_deleted_in_journal(struct btree_trans *, enum btree_id, unsigned, struct bpos);
+void bch2_journal_key_overwritten(struct bch_fs *, enum btree_id, unsigned, struct bpos);
void bch2_btree_and_journal_iter_advance(struct btree_and_journal_iter *);
struct bkey_s_c bch2_btree_and_journal_iter_peek(struct btree_and_journal_iter *);
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index b2f5f2e50f7e1..b45c7ced15d8a 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -1380,9 +1380,16 @@ static void __btree_split_node(struct btree_update *as,
if (bkey_deleted(k))
continue;
+ uk = bkey_unpack_key(b, k);
+
+ if (b->c.level &&
+ u64s < n1_u64s &&
+ u64s + k->u64s >= n1_u64s &&
+ bch2_key_deleted_in_journal(trans, b->c.btree_id, b->c.level, uk.p))
+ n1_u64s += k->u64s;
+
i = u64s >= n1_u64s;
u64s += k->u64s;
- uk = bkey_unpack_key(b, k);
if (!i)
n1_pos = uk.p;
bch2_bkey_format_add_key(&format[i], &uk);
--
GitLab
From 79032b078173f87a13f8618cdab710798be67314 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 23 Mar 2024 19:29:19 -0400
Subject: [PATCH 1887/2686] bcachefs: Improved topology repair checks
Consolidate bch2_gc_check_topology() and btree_node_interior_verify(),
and replace them with an improved version,
bch2_btree_node_check_topology().
This checks that children of an interior node correctly span the full
range of the parent node with no overlaps.
Also, ensure that topology repairs at runtime are always a fatal error;
in particular, this adds a check in btree_iter_down() - if we don't find
a key while walking down the btree that's indicative of a topology error
and should be flagged as such, not a null ptr deref.
Some checks in btree_update_interior.c remaining BUG_ONS(), because we
already checked the node for topology errors when starting the update,
and the assertions indicate that we _just_ corrupted the btree node -
i.e. the problem can't be that existing on disk corruption, they
indicate an actual algorithmic bug.
In the future, we'll be annotating the fsck errors list with which
recovery pass corrects them; the open coded "run explicit recovery pass
or fatal error" in bch2_btree_node_check_topology() will in the future
be done for every fsck_err() call.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_cache.c | 3 +-
fs/bcachefs/btree_gc.c | 133 +++------------------------
fs/bcachefs/btree_io.c | 2 +-
fs/bcachefs/btree_iter.c | 19 +++-
fs/bcachefs/btree_update_interior.c | 134 ++++++++++++++++++++--------
fs/bcachefs/btree_update_interior.h | 2 +
fs/bcachefs/error.h | 6 ++
fs/bcachefs/sb-errors_types.h | 3 +-
8 files changed, 137 insertions(+), 165 deletions(-)
diff --git a/fs/bcachefs/btree_cache.c b/fs/bcachefs/btree_cache.c
index 8ff21b2e14636..84474324dba9b 100644
--- a/fs/bcachefs/btree_cache.c
+++ b/fs/bcachefs/btree_cache.c
@@ -808,7 +808,8 @@ static noinline void btree_bad_header(struct bch_fs *c, struct btree *b)
prt_printf(&buf, "\nmax ");
bch2_bpos_to_text(&buf, b->data->max_key);
- bch2_fs_inconsistent(c, "%s", buf.buf);
+ bch2_fs_topology_error(c, "%s", buf.buf);
+
printbuf_exit(&buf);
}
diff --git a/fs/bcachefs/btree_gc.c b/fs/bcachefs/btree_gc.c
index bdaed29f084a4..6d32ac9be2438 100644
--- a/fs/bcachefs/btree_gc.c
+++ b/fs/bcachefs/btree_gc.c
@@ -70,90 +70,6 @@ static inline void gc_pos_set(struct bch_fs *c, struct gc_pos new_pos)
__gc_pos_set(c, new_pos);
}
-/*
- * Missing: if an interior btree node is empty, we need to do something -
- * perhaps just kill it
- */
-static int bch2_gc_check_topology(struct bch_fs *c,
- struct btree *b,
- struct bkey_buf *prev,
- struct bkey_buf cur,
- bool is_last)
-{
- struct bpos node_start = b->data->min_key;
- struct bpos node_end = b->data->max_key;
- struct bpos expected_start = bkey_deleted(&prev->k->k)
- ? node_start
- : bpos_successor(prev->k->k.p);
- struct printbuf buf1 = PRINTBUF, buf2 = PRINTBUF;
- int ret = 0;
-
- if (cur.k->k.type == KEY_TYPE_btree_ptr_v2) {
- struct bkey_i_btree_ptr_v2 *bp = bkey_i_to_btree_ptr_v2(cur.k);
-
- if (!bpos_eq(expected_start, bp->v.min_key)) {
- bch2_topology_error(c);
-
- if (bkey_deleted(&prev->k->k)) {
- prt_printf(&buf1, "start of node: ");
- bch2_bpos_to_text(&buf1, node_start);
- } else {
- bch2_bkey_val_to_text(&buf1, c, bkey_i_to_s_c(prev->k));
- }
- bch2_bkey_val_to_text(&buf2, c, bkey_i_to_s_c(cur.k));
-
- if (__fsck_err(c,
- FSCK_CAN_FIX|
- FSCK_CAN_IGNORE|
- FSCK_NO_RATELIMIT,
- btree_node_topology_bad_min_key,
- "btree node with incorrect min_key at btree %s level %u:\n"
- " prev %s\n"
- " cur %s",
- bch2_btree_id_str(b->c.btree_id), b->c.level,
- buf1.buf, buf2.buf) && should_restart_for_topology_repair(c)) {
- bch_info(c, "Halting mark and sweep to start topology repair pass");
- ret = bch2_run_explicit_recovery_pass(c, BCH_RECOVERY_PASS_check_topology);
- goto err;
- } else {
- set_bit(BCH_FS_initial_gc_unfixed, &c->flags);
- }
- }
- }
-
- if (is_last && !bpos_eq(cur.k->k.p, node_end)) {
- bch2_topology_error(c);
-
- printbuf_reset(&buf1);
- printbuf_reset(&buf2);
-
- bch2_bkey_val_to_text(&buf1, c, bkey_i_to_s_c(cur.k));
- bch2_bpos_to_text(&buf2, node_end);
-
- if (__fsck_err(c, FSCK_CAN_FIX|FSCK_CAN_IGNORE|FSCK_NO_RATELIMIT,
- btree_node_topology_bad_max_key,
- "btree node with incorrect max_key at btree %s level %u:\n"
- " %s\n"
- " expected %s",
- bch2_btree_id_str(b->c.btree_id), b->c.level,
- buf1.buf, buf2.buf) &&
- should_restart_for_topology_repair(c)) {
- bch_info(c, "Halting mark and sweep to start topology repair pass");
- ret = bch2_run_explicit_recovery_pass(c, BCH_RECOVERY_PASS_check_topology);
- goto err;
- } else {
- set_bit(BCH_FS_initial_gc_unfixed, &c->flags);
- }
- }
-
- bch2_bkey_buf_copy(prev, c, cur.k);
-err:
-fsck_err:
- printbuf_exit(&buf2);
- printbuf_exit(&buf1);
- return ret;
-}
-
static void btree_ptr_to_v2(struct btree *b, struct bkey_i_btree_ptr_v2 *dst)
{
switch (b->key.k.type) {
@@ -445,6 +361,7 @@ static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct
prev = NULL;
if (ret == DROP_PREV_NODE) {
+ bch_info(c, "dropped prev node");
bch2_btree_node_evict(trans, prev_k.k);
ret = bch2_journal_key_delete(c, b->c.btree_id,
b->c.level, prev_k.k->k.p);
@@ -841,42 +758,30 @@ static int bch2_gc_mark_key(struct btree_trans *trans, enum btree_id btree_id,
static int btree_gc_mark_node(struct btree_trans *trans, struct btree *b, bool initial)
{
- struct bch_fs *c = trans->c;
struct btree_node_iter iter;
struct bkey unpacked;
struct bkey_s_c k;
- struct bkey_buf prev, cur;
int ret = 0;
+ ret = bch2_btree_node_check_topology(trans, b);
+ if (ret)
+ return ret;
+
if (!btree_node_type_needs_gc(btree_node_type(b)))
return 0;
bch2_btree_node_iter_init_from_start(&iter, b);
- bch2_bkey_buf_init(&prev);
- bch2_bkey_buf_init(&cur);
- bkey_init(&prev.k->k);
while ((k = bch2_btree_node_iter_peek_unpack(&iter, b, &unpacked)).k) {
ret = bch2_gc_mark_key(trans, b->c.btree_id, b->c.level, false,
&k, initial);
if (ret)
- break;
+ return ret;
bch2_btree_node_iter_advance(&iter, b);
-
- if (b->c.level) {
- bch2_bkey_buf_reassemble(&cur, c, k);
-
- ret = bch2_gc_check_topology(c, b, &prev, cur,
- bch2_btree_node_iter_end(&iter));
- if (ret)
- break;
- }
}
- bch2_bkey_buf_exit(&cur, c);
- bch2_bkey_buf_exit(&prev, c);
- return ret;
+ return 0;
}
static int bch2_gc_btree(struct btree_trans *trans, enum btree_id btree_id,
@@ -925,14 +830,16 @@ static int bch2_gc_btree_init_recurse(struct btree_trans *trans, struct btree *b
struct bch_fs *c = trans->c;
struct btree_and_journal_iter iter;
struct bkey_s_c k;
- struct bkey_buf cur, prev;
+ struct bkey_buf cur;
struct printbuf buf = PRINTBUF;
int ret = 0;
+ ret = bch2_btree_node_check_topology(trans, b);
+ if (ret)
+ return ret;
+
bch2_btree_and_journal_iter_init_node_iter(trans, &iter, b);
- bch2_bkey_buf_init(&prev);
bch2_bkey_buf_init(&cur);
- bkey_init(&prev.k->k);
while ((k = bch2_btree_and_journal_iter_peek(&iter)).k) {
BUG_ON(bpos_lt(k.k->p, b->data->min_key));
@@ -943,20 +850,7 @@ static int bch2_gc_btree_init_recurse(struct btree_trans *trans, struct btree *b
if (ret)
goto fsck_err;
- if (b->c.level) {
- bch2_bkey_buf_reassemble(&cur, c, k);
- k = bkey_i_to_s_c(cur.k);
-
- bch2_btree_and_journal_iter_advance(&iter);
-
- ret = bch2_gc_check_topology(c, b,
- &prev, cur,
- !bch2_btree_and_journal_iter_peek(&iter).k);
- if (ret)
- goto fsck_err;
- } else {
- bch2_btree_and_journal_iter_advance(&iter);
- }
+ bch2_btree_and_journal_iter_advance(&iter);
}
if (b->c.level > target_depth) {
@@ -1015,7 +909,6 @@ static int bch2_gc_btree_init_recurse(struct btree_trans *trans, struct btree *b
}
fsck_err:
bch2_bkey_buf_exit(&cur, c);
- bch2_bkey_buf_exit(&prev, c);
bch2_btree_and_journal_iter_exit(&iter);
printbuf_exit(&buf);
return ret;
diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index 34df8ccc5fecc..b85e2cd61c381 100644
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -1657,7 +1657,7 @@ void bch2_btree_node_read(struct btree_trans *trans, struct btree *b,
prt_str(&buf, "btree node read error: no device to read from\n at ");
bch2_btree_pos_to_text(&buf, c, b);
- bch_err(c, "%s", buf.buf);
+ bch_err_ratelimited(c, "%s", buf.buf);
if (c->recovery_passes_explicit & BIT_ULL(BCH_RECOVERY_PASS_check_topology) &&
c->curr_recovery_pass > BCH_RECOVERY_PASS_check_topology)
diff --git a/fs/bcachefs/btree_iter.c b/fs/bcachefs/btree_iter.c
index ae4a28a33ad1a..2a211a4bebd15 100644
--- a/fs/bcachefs/btree_iter.c
+++ b/fs/bcachefs/btree_iter.c
@@ -927,8 +927,22 @@ static __always_inline int btree_path_down(struct btree_trans *trans,
if (ret)
goto err;
} else {
- bch2_bkey_buf_unpack(&tmp, c, l->b,
- bch2_btree_node_iter_peek(&l->iter, l->b));
+ struct bkey_packed *k = bch2_btree_node_iter_peek(&l->iter, l->b);
+ if (!k) {
+ struct printbuf buf = PRINTBUF;
+
+ prt_str(&buf, "node not found at pos ");
+ bch2_bpos_to_text(&buf, path->pos);
+ prt_str(&buf, " within parent node ");
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&l->b->key));
+
+ bch2_fs_fatal_error(c, "%s", buf.buf);
+ printbuf_exit(&buf);
+ ret = -BCH_ERR_btree_need_topology_repair;
+ goto err;
+ }
+
+ bch2_bkey_buf_unpack(&tmp, c, l->b, k);
if ((flags & BTREE_ITER_PREFETCH) &&
c->opts.btree_node_prefetch) {
@@ -962,7 +976,6 @@ static __always_inline int btree_path_down(struct btree_trans *trans,
return ret;
}
-
static int bch2_btree_path_traverse_all(struct btree_trans *trans)
{
struct bch_fs *c = trans->c;
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index b45c7ced15d8a..aae7a2687eee7 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -2,6 +2,7 @@
#include "bcachefs.h"
#include "alloc_foreground.h"
+#include "bkey_buf.h"
#include "bkey_methods.h"
#include "btree_cache.h"
#include "btree_gc.h"
@@ -18,6 +19,7 @@
#include "journal.h"
#include "journal_reclaim.h"
#include "keylist.h"
+#include "recovery.h"
#include "replicas.h"
#include "super-io.h"
#include "trace.h"
@@ -44,56 +46,103 @@ static btree_path_idx_t get_unlocked_mut_path(struct btree_trans *trans,
return path_idx;
}
-/* Debug code: */
-
/*
* Verify that child nodes correctly span parent node's range:
*/
-static void btree_node_interior_verify(struct bch_fs *c, struct btree *b)
+int bch2_btree_node_check_topology(struct btree_trans *trans, struct btree *b)
{
-#ifdef CONFIG_BCACHEFS_DEBUG
- struct bpos next_node = b->data->min_key;
- struct btree_node_iter iter;
+ struct bch_fs *c = trans->c;
+ struct bpos node_min = b->key.k.type == KEY_TYPE_btree_ptr_v2
+ ? bkey_i_to_btree_ptr_v2(&b->key)->v.min_key
+ : b->data->min_key;
+ struct btree_and_journal_iter iter;
struct bkey_s_c k;
- struct bkey_s_c_btree_ptr_v2 bp;
- struct bkey unpacked;
- struct printbuf buf1 = PRINTBUF, buf2 = PRINTBUF;
+ struct printbuf buf = PRINTBUF;
+ struct bkey_buf prev;
+ int ret = 0;
- BUG_ON(!b->c.level);
+ BUG_ON(b->key.k.type == KEY_TYPE_btree_ptr_v2 &&
+ !bpos_eq(bkey_i_to_btree_ptr_v2(&b->key)->v.min_key,
+ b->data->min_key));
- if (!test_bit(JOURNAL_REPLAY_DONE, &c->journal.flags))
- return;
+ if (!b->c.level)
+ return 0;
- bch2_btree_node_iter_init_from_start(&iter, b);
+ bch2_bkey_buf_init(&prev);
+ bkey_init(&prev.k->k);
+ bch2_btree_and_journal_iter_init_node_iter(trans, &iter, b);
- while (1) {
- k = bch2_btree_node_iter_peek_unpack(&iter, b, &unpacked);
+ while ((k = bch2_btree_and_journal_iter_peek(&iter)).k) {
if (k.k->type != KEY_TYPE_btree_ptr_v2)
- break;
- bp = bkey_s_c_to_btree_ptr_v2(k);
+ goto out;
- if (!bpos_eq(next_node, bp.v->min_key)) {
- bch2_dump_btree_node(c, b);
- bch2_bpos_to_text(&buf1, next_node);
- bch2_bpos_to_text(&buf2, bp.v->min_key);
- panic("expected next min_key %s got %s\n", buf1.buf, buf2.buf);
- }
+ struct bkey_s_c_btree_ptr_v2 bp = bkey_s_c_to_btree_ptr_v2(k);
- bch2_btree_node_iter_advance(&iter, b);
+ struct bpos expected_min = bkey_deleted(&prev.k->k)
+ ? node_min
+ : bpos_successor(prev.k->k.p);
- if (bch2_btree_node_iter_end(&iter)) {
- if (!bpos_eq(k.k->p, b->key.k.p)) {
- bch2_dump_btree_node(c, b);
- bch2_bpos_to_text(&buf1, b->key.k.p);
- bch2_bpos_to_text(&buf2, k.k->p);
- panic("expected end %s got %s\n", buf1.buf, buf2.buf);
- }
- break;
+ if (!bpos_eq(expected_min, bp.v->min_key)) {
+ bch2_topology_error(c);
+
+ printbuf_reset(&buf);
+ prt_str(&buf, "end of prev node doesn't match start of next node\n"),
+ prt_printf(&buf, " in btree %s level %u node ",
+ bch2_btree_id_str(b->c.btree_id), b->c.level);
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&b->key));
+ prt_str(&buf, "\n prev ");
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(prev.k));
+ prt_str(&buf, "\n next ");
+ bch2_bkey_val_to_text(&buf, c, k);
+
+ need_fsck_err(c, btree_node_topology_bad_min_key, "%s", buf.buf);
+ goto topology_repair;
}
- next_node = bpos_successor(k.k->p);
+ bch2_bkey_buf_reassemble(&prev, c, k);
+ bch2_btree_and_journal_iter_advance(&iter);
+ }
+
+ if (bkey_deleted(&prev.k->k)) {
+ bch2_topology_error(c);
+
+ printbuf_reset(&buf);
+ prt_str(&buf, "empty interior node\n");
+ prt_printf(&buf, " in btree %s level %u node ",
+ bch2_btree_id_str(b->c.btree_id), b->c.level);
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&b->key));
+
+ need_fsck_err(c, btree_node_topology_empty_interior_node, "%s", buf.buf);
+ goto topology_repair;
+ } else if (!bpos_eq(prev.k->k.p, b->key.k.p)) {
+ bch2_topology_error(c);
+
+ printbuf_reset(&buf);
+ prt_str(&buf, "last child node doesn't end at end of parent node\n");
+ prt_printf(&buf, " in btree %s level %u node ",
+ bch2_btree_id_str(b->c.btree_id), b->c.level);
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&b->key));
+ prt_str(&buf, "\n last key ");
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(prev.k));
+
+ need_fsck_err(c, btree_node_topology_bad_max_key, "%s", buf.buf);
+ goto topology_repair;
+ }
+out:
+fsck_err:
+ bch2_btree_and_journal_iter_exit(&iter);
+ bch2_bkey_buf_exit(&prev, c);
+ printbuf_exit(&buf);
+ return ret;
+topology_repair:
+ if ((c->recovery_passes_explicit & BIT_ULL(BCH_RECOVERY_PASS_check_topology)) &&
+ c->curr_recovery_pass > BCH_RECOVERY_PASS_check_topology) {
+ bch2_inconsistent_error(c);
+ ret = -BCH_ERR_btree_need_topology_repair;
+ } else {
+ ret = bch2_run_explicit_recovery_pass(c, BCH_RECOVERY_PASS_check_topology);
}
-#endif
+ goto out;
}
/* Calculate ideal packed bkey format for new btree nodes: */
@@ -1448,8 +1497,7 @@ static void __btree_split_node(struct btree_update *as,
bch2_verify_btree_nr_keys(n[i]);
- if (b->c.level)
- btree_node_interior_verify(as->c, n[i]);
+ BUG_ON(bch2_btree_node_check_topology(trans, n[i]));
}
}
@@ -1480,7 +1528,7 @@ static void btree_split_insert_keys(struct btree_update *as,
__bch2_btree_insert_keys_interior(as, trans, path, b, node_iter, keys);
- btree_node_interior_verify(as->c, b);
+ BUG_ON(bch2_btree_node_check_topology(trans, b));
}
}
@@ -1498,6 +1546,10 @@ static int btree_split(struct btree_update *as, struct btree_trans *trans,
BUG_ON(!parent && (b != btree_node_root(c, b)));
BUG_ON(parent && !btree_node_intent_locked(trans->paths + path, b->c.level + 1));
+ ret = bch2_btree_node_check_topology(trans, b);
+ if (ret)
+ return ret;
+
bch2_btree_interior_update_will_free_node(as, b);
if (b->nr.live_u64s > BTREE_SPLIT_THRESHOLD(c)) {
@@ -1717,7 +1769,11 @@ static int bch2_btree_insert_node(struct btree_update *as, struct btree_trans *t
goto split;
}
- btree_node_interior_verify(c, b);
+ ret = bch2_btree_node_check_topology(trans, b);
+ if (ret) {
+ bch2_btree_node_unlock_write(trans, path, b);
+ return ret;
+ }
bch2_btree_insert_keys_interior(as, trans, path, b, keys);
@@ -1735,7 +1791,7 @@ static int bch2_btree_insert_node(struct btree_update *as, struct btree_trans *t
bch2_btree_node_unlock_write(trans, path, b);
- btree_node_interior_verify(c, b);
+ BUG_ON(bch2_btree_node_check_topology(trans, b));
return 0;
split:
/*
diff --git a/fs/bcachefs/btree_update_interior.h b/fs/bcachefs/btree_update_interior.h
index f651dd48aaa04..7ac3e17b84fde 100644
--- a/fs/bcachefs/btree_update_interior.h
+++ b/fs/bcachefs/btree_update_interior.h
@@ -10,6 +10,8 @@
#define BTREE_UPDATE_JOURNAL_RES (BTREE_UPDATE_NODES_MAX * (BKEY_BTREE_PTR_U64s_MAX + 1))
+int bch2_btree_node_check_topology(struct btree_trans *, struct btree *);
+
/*
* Tracks an in progress split/rewrite of a btree node and the update to the
* parent node:
diff --git a/fs/bcachefs/error.h b/fs/bcachefs/error.h
index ae1d6674c512d..36caedf72d89a 100644
--- a/fs/bcachefs/error.h
+++ b/fs/bcachefs/error.h
@@ -32,6 +32,12 @@ bool bch2_inconsistent_error(struct bch_fs *);
int bch2_topology_error(struct bch_fs *);
+#define bch2_fs_topology_error(c, ...) \
+({ \
+ bch_err(c, "btree topology error: " __VA_ARGS__); \
+ bch2_topology_error(c); \
+})
+
#define bch2_fs_inconsistent(c, ...) \
({ \
bch_err(c, __VA_ARGS__); \
diff --git a/fs/bcachefs/sb-errors_types.h b/fs/bcachefs/sb-errors_types.h
index 5178bf579f7c5..8edbd9ef994c4 100644
--- a/fs/bcachefs/sb-errors_types.h
+++ b/fs/bcachefs/sb-errors_types.h
@@ -265,7 +265,8 @@
x(subvol_children_bad, 257) \
x(subvol_loop, 258) \
x(subvol_unreachable, 259) \
- x(btree_node_bkey_bad_u64s, 260)
+ x(btree_node_bkey_bad_u64s, 260) \
+ x(btree_node_topology_empty_interior_node, 261)
enum bch_sb_error_id {
#define x(t, n) BCH_FSCK_ERR_##t = n,
--
GitLab
From bb66009958b277a9baffaa53d835661852550151 Mon Sep 17 00:00:00 2001
From: zhuxiaohui <zhuxiaohui400@gmail.com>
Date: Tue, 26 Mar 2024 20:03:45 +0800
Subject: [PATCH 1888/2686] bcachefs: add REQ_SYNC and REQ_IDLE in write dio
when writing file with direct_IO on bcachefs, then performance is
much lower than other fs due to write back throttle in block layer:
wbt_wait+1
__rq_qos_throttle+32
blk_mq_submit_bio+394
submit_bio_noacct_nocheck+649
bch2_submit_wbio_replicas+538
__bch2_write+2539
bch2_direct_write+1663
bch2_write_iter+318
aio_write+355
io_submit_one+1224
__x64_sys_io_submit+169
do_syscall_64+134
entry_SYSCALL_64_after_hwframe+110
add set REQ_SYNC and REQ_IDLE in bio->bi_opf as standard dirct-io
Signed-off-by: zhuxiaohui <zhuxiaohui.400@bytedance.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/fs-io-direct.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/bcachefs/fs-io-direct.c b/fs/bcachefs/fs-io-direct.c
index 33cb6da3a5ad2..f49e6c0f0f683 100644
--- a/fs/bcachefs/fs-io-direct.c
+++ b/fs/bcachefs/fs-io-direct.c
@@ -536,7 +536,7 @@ static __always_inline long bch2_dio_write_loop(struct dio_write *dio)
if (likely(!dio->iter.count) || dio->op.error)
break;
- bio_reset(bio, NULL, REQ_OP_WRITE);
+ bio_reset(bio, NULL, REQ_OP_WRITE | REQ_SYNC | REQ_IDLE);
}
out:
return bch2_dio_write_done(dio);
@@ -618,7 +618,7 @@ ssize_t bch2_direct_write(struct kiocb *req, struct iov_iter *iter)
bio = bio_alloc_bioset(NULL,
bio_iov_vecs_to_alloc(iter, BIO_MAX_VECS),
- REQ_OP_WRITE,
+ REQ_OP_WRITE | REQ_SYNC | REQ_IDLE,
GFP_KERNEL,
&c->dio_write_bioset);
dio = container_of(bio, struct dio_write, op.wbio.bio);
--
GitLab
From 805b535a8afbcd8073a03eb25aafd82cb816bff6 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Mon, 25 Mar 2024 21:58:07 -0400
Subject: [PATCH 1889/2686] bcachefs: Check btree ptr min_key in .invalid
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/extents.c | 9 +++++++--
fs/bcachefs/sb-errors_types.h | 3 ++-
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/fs/bcachefs/extents.c b/fs/bcachefs/extents.c
index 61395b113df9b..b2432d88cda64 100644
--- a/fs/bcachefs/extents.c
+++ b/fs/bcachefs/extents.c
@@ -189,13 +189,18 @@ int bch2_btree_ptr_v2_invalid(struct bch_fs *c, struct bkey_s_c k,
enum bkey_invalid_flags flags,
struct printbuf *err)
{
+ struct bkey_s_c_btree_ptr_v2 bp = bkey_s_c_to_btree_ptr_v2(k);
int ret = 0;
- bkey_fsck_err_on(bkey_val_u64s(k.k) > BKEY_BTREE_PTR_VAL_U64s_MAX, c, err,
- btree_ptr_v2_val_too_big,
+ bkey_fsck_err_on(bkey_val_u64s(k.k) > BKEY_BTREE_PTR_VAL_U64s_MAX,
+ c, err, btree_ptr_v2_val_too_big,
"value too big (%zu > %zu)",
bkey_val_u64s(k.k), BKEY_BTREE_PTR_VAL_U64s_MAX);
+ bkey_fsck_err_on(bpos_ge(bp.v->min_key, bp.k->p),
+ c, err, btree_ptr_v2_min_key_bad,
+ "min_key > key");
+
ret = bch2_bkey_ptrs_invalid(c, k, flags, err);
fsck_err:
return ret;
diff --git a/fs/bcachefs/sb-errors_types.h b/fs/bcachefs/sb-errors_types.h
index 8edbd9ef994c4..73e9634df8ffb 100644
--- a/fs/bcachefs/sb-errors_types.h
+++ b/fs/bcachefs/sb-errors_types.h
@@ -266,7 +266,8 @@
x(subvol_loop, 258) \
x(subvol_unreachable, 259) \
x(btree_node_bkey_bad_u64s, 260) \
- x(btree_node_topology_empty_interior_node, 261)
+ x(btree_node_topology_empty_interior_node, 261) \
+ x(btree_ptr_v2_min_key_bad, 262)
enum bch_sb_error_id {
#define x(t, n) BCH_FSCK_ERR_##t = n,
--
GitLab
From 812a9297936a959c98a2e9e44a9a622bbe30b162 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 26 Mar 2024 16:39:54 -0400
Subject: [PATCH 1890/2686] bcachefs: Fix btree node keys accounting in
topology repair path
When dropping keys now outside a now because we're changing the node
min/max, we need to redo the node's accounting as well.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/bset.c | 14 ++++++++++----
fs/bcachefs/bset.h | 2 ++
fs/bcachefs/btree_io.c | 1 +
fs/bcachefs/btree_update_interior.c | 1 +
4 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/fs/bcachefs/bset.c b/fs/bcachefs/bset.c
index 3fd1085b6c61e..3bb477840eab6 100644
--- a/fs/bcachefs/bset.c
+++ b/fs/bcachefs/bset.c
@@ -134,18 +134,24 @@ void bch2_dump_btree_node_iter(struct btree *b,
printbuf_exit(&buf);
}
-#ifdef CONFIG_BCACHEFS_DEBUG
-
-void __bch2_verify_btree_nr_keys(struct btree *b)
+struct btree_nr_keys bch2_btree_node_count_keys(struct btree *b)
{
struct bset_tree *t;
struct bkey_packed *k;
- struct btree_nr_keys nr = { 0 };
+ struct btree_nr_keys nr = {};
for_each_bset(b, t)
bset_tree_for_each_key(b, t, k)
if (!bkey_deleted(k))
btree_keys_account_key_add(&nr, t - b->set, k);
+ return nr;
+}
+
+#ifdef CONFIG_BCACHEFS_DEBUG
+
+void __bch2_verify_btree_nr_keys(struct btree *b)
+{
+ struct btree_nr_keys nr = bch2_btree_node_count_keys(b);
BUG_ON(memcmp(&nr, &b->nr, sizeof(nr)));
}
diff --git a/fs/bcachefs/bset.h b/fs/bcachefs/bset.h
index 79c77baaa3838..120a79fd456bd 100644
--- a/fs/bcachefs/bset.h
+++ b/fs/bcachefs/bset.h
@@ -458,6 +458,8 @@ struct bkey_s_c bch2_btree_node_iter_peek_unpack(struct btree_node_iter *,
/* Accounting: */
+struct btree_nr_keys bch2_btree_node_count_keys(struct btree *);
+
static inline void btree_keys_account_key(struct btree_nr_keys *n,
unsigned bset,
struct bkey_packed *k,
diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index b85e2cd61c381..9c71e6fb9c41b 100644
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -654,6 +654,7 @@ void bch2_btree_node_drop_keys_outside_node(struct btree *b)
*/
bch2_bset_set_no_aux_tree(b, b->set);
bch2_btree_build_aux_trees(b);
+ b->nr = bch2_btree_node_count_keys(b);
struct bkey_s_c k;
struct bkey unpacked;
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index aae7a2687eee7..826cebe4bce07 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -1543,6 +1543,7 @@ static int btree_split(struct btree_update *as, struct btree_trans *trans,
u64 start_time = local_clock();
int ret = 0;
+ bch2_verify_btree_nr_keys(b);
BUG_ON(!parent && (b != btree_node_root(c, b)));
BUG_ON(parent && !btree_node_intent_locked(trans->paths + path, b->c.level + 1));
--
GitLab
From 6f5869ffd9f111b81b95b73c6e54f07406591911 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 26 Mar 2024 17:38:22 -0400
Subject: [PATCH 1891/2686] bcachefs: Fix use after free in
bch2_check_fix_ptrs()
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_gc.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/fs/bcachefs/btree_gc.c b/fs/bcachefs/btree_gc.c
index 6d32ac9be2438..26e51af9acdcf 100644
--- a/fs/bcachefs/btree_gc.c
+++ b/fs/bcachefs/btree_gc.c
@@ -691,12 +691,6 @@ static int bch2_check_fix_ptrs(struct btree_trans *trans, enum btree_id btree_id
}
}
- ret = bch2_journal_key_insert_take(c, btree_id, level, new);
- if (ret) {
- kfree(new);
- goto err;
- }
-
if (level)
bch2_btree_node_update_key_early(trans, btree_id, level - 1, *k, new);
@@ -710,6 +704,12 @@ static int bch2_check_fix_ptrs(struct btree_trans *trans, enum btree_id btree_id
bch_info(c, "new key %s", buf.buf);
}
+ ret = bch2_journal_key_insert_take(c, btree_id, level, new);
+ if (ret) {
+ kfree(new);
+ goto err;
+ }
+
*k = bkey_i_to_s_c(new);
}
err:
--
GitLab
From 83bb58539045b15653b61c6e8eb65f3f9c671cdf Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 26 Mar 2024 18:46:20 -0400
Subject: [PATCH 1892/2686] bcachefs: Fix repair path for missing indirect
extents
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/reflink.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/fs/bcachefs/reflink.c b/fs/bcachefs/reflink.c
index c47c66c2b394d..ff7864731a073 100644
--- a/fs/bcachefs/reflink.c
+++ b/fs/bcachefs/reflink.c
@@ -185,8 +185,7 @@ static s64 gc_trigger_reflink_p_segment(struct btree_trans *trans,
} else {
bkey_error_init(update);
update->k.p = p.k->p;
- update->k.p.offset = next_idx;
- update->k.size = next_idx - *idx;
+ update->k.size = p.k->size;
set_bkey_val_u64s(&update->k, 0);
}
--
GitLab
From dcc1c04587aa9bc3515153f4c89cff73f2cb45b2 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 26 Mar 2024 18:46:38 -0400
Subject: [PATCH 1893/2686] bcachefs: Fix use after free in check_root_trans()
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/fsck.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c
index 47d4eefaba7ba..6d8367ab5ddda 100644
--- a/fs/bcachefs/fsck.c
+++ b/fs/bcachefs/fsck.c
@@ -2098,17 +2098,21 @@ static int check_root_trans(struct btree_trans *trans)
if (mustfix_fsck_err_on(ret, c, root_subvol_missing,
"root subvol missing")) {
- struct bkey_i_subvolume root_subvol;
+ struct bkey_i_subvolume *root_subvol =
+ bch2_trans_kmalloc(trans, sizeof(*root_subvol));
+ ret = PTR_ERR_OR_ZERO(root_subvol);
+ if (ret)
+ goto err;
snapshot = U32_MAX;
inum = BCACHEFS_ROOT_INO;
- bkey_subvolume_init(&root_subvol.k_i);
- root_subvol.k.p.offset = BCACHEFS_ROOT_SUBVOL;
- root_subvol.v.flags = 0;
- root_subvol.v.snapshot = cpu_to_le32(snapshot);
- root_subvol.v.inode = cpu_to_le64(inum);
- ret = bch2_btree_insert_trans(trans, BTREE_ID_subvolumes, &root_subvol.k_i, 0);
+ bkey_subvolume_init(&root_subvol->k_i);
+ root_subvol->k.p.offset = BCACHEFS_ROOT_SUBVOL;
+ root_subvol->v.flags = 0;
+ root_subvol->v.snapshot = cpu_to_le32(snapshot);
+ root_subvol->v.inode = cpu_to_le64(inum);
+ ret = bch2_btree_insert_trans(trans, BTREE_ID_subvolumes, &root_subvol->k_i, 0);
bch_err_msg(c, ret, "writing root subvol");
if (ret)
goto err;
--
GitLab
From 47d2080e30b0b9fc636eba4e74f9e4bdc01543d7 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Mon, 25 Mar 2024 19:26:05 -0400
Subject: [PATCH 1894/2686] bcachefs: Kill bch2_bkey_ptr_data_type()
Remove some duplication, and inconsistency between check_fix_ptrs and
the main ptr marking paths
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/backpointers.c | 6 ++--
fs/bcachefs/backpointers.h | 32 +++++++++++++++++----
fs/bcachefs/btree_gc.c | 59 +++++++++++++++++++++-----------------
fs/bcachefs/buckets.c | 12 ++++----
fs/bcachefs/extents.h | 24 ----------------
5 files changed, 67 insertions(+), 66 deletions(-)
diff --git a/fs/bcachefs/backpointers.c b/fs/bcachefs/backpointers.c
index 21b3ae7df8240..7537d78aa9db6 100644
--- a/fs/bcachefs/backpointers.c
+++ b/fs/bcachefs/backpointers.c
@@ -29,8 +29,7 @@ static bool extent_matches_bp(struct bch_fs *c,
if (p.ptr.cached)
continue;
- bch2_extent_ptr_to_bp(c, btree_id, level, k, p,
- &bucket2, &bp2);
+ bch2_extent_ptr_to_bp(c, btree_id, level, k, p, entry, &bucket2, &bp2);
if (bpos_eq(bucket, bucket2) &&
!memcmp(&bp, &bp2, sizeof(bp)))
return true;
@@ -507,8 +506,7 @@ static int check_extent_to_backpointers(struct btree_trans *trans,
if (p.ptr.cached)
continue;
- bch2_extent_ptr_to_bp(c, btree, level,
- k, p, &bucket_pos, &bp);
+ bch2_extent_ptr_to_bp(c, btree, level, k, p, entry, &bucket_pos, &bp);
ret = check_bp_exists(trans, s, bucket_pos, bp, k);
if (ret)
diff --git a/fs/bcachefs/backpointers.h b/fs/bcachefs/backpointers.h
index 327365a9feac4..da012ca7daee5 100644
--- a/fs/bcachefs/backpointers.h
+++ b/fs/bcachefs/backpointers.h
@@ -90,20 +90,40 @@ static inline int bch2_bucket_backpointer_mod(struct btree_trans *trans,
return bch2_trans_update_buffered(trans, BTREE_ID_backpointers, &bp_k.k_i);
}
-static inline enum bch_data_type bkey_ptr_data_type(enum btree_id btree_id, unsigned level,
- struct bkey_s_c k, struct extent_ptr_decoded p)
+static inline enum bch_data_type bch2_bkey_ptr_data_type(struct bkey_s_c k,
+ struct extent_ptr_decoded p,
+ const union bch_extent_entry *entry)
{
- return level ? BCH_DATA_btree :
- p.has_ec ? BCH_DATA_stripe :
- BCH_DATA_user;
+ switch (k.k->type) {
+ case KEY_TYPE_btree_ptr:
+ case KEY_TYPE_btree_ptr_v2:
+ return BCH_DATA_btree;
+ case KEY_TYPE_extent:
+ case KEY_TYPE_reflink_v:
+ return p.has_ec ? BCH_DATA_stripe : BCH_DATA_user;
+ case KEY_TYPE_stripe: {
+ const struct bch_extent_ptr *ptr = &entry->ptr;
+ struct bkey_s_c_stripe s = bkey_s_c_to_stripe(k);
+
+ BUG_ON(ptr < s.v->ptrs ||
+ ptr >= s.v->ptrs + s.v->nr_blocks);
+
+ return ptr >= s.v->ptrs + s.v->nr_blocks - s.v->nr_redundant
+ ? BCH_DATA_parity
+ : BCH_DATA_user;
+ }
+ default:
+ BUG();
+ }
}
static inline void bch2_extent_ptr_to_bp(struct bch_fs *c,
enum btree_id btree_id, unsigned level,
struct bkey_s_c k, struct extent_ptr_decoded p,
+ const union bch_extent_entry *entry,
struct bpos *bucket_pos, struct bch_backpointer *bp)
{
- enum bch_data_type data_type = bkey_ptr_data_type(btree_id, level, k, p);
+ enum bch_data_type data_type = bch2_bkey_ptr_data_type(k, p, entry);
s64 sectors = level ? btree_sectors(c) : k.k->size;
u32 bucket_offset;
diff --git a/fs/bcachefs/btree_gc.c b/fs/bcachefs/btree_gc.c
index 26e51af9acdcf..0afefccf4e520 100644
--- a/fs/bcachefs/btree_gc.c
+++ b/fs/bcachefs/btree_gc.c
@@ -7,6 +7,7 @@
#include "bcachefs.h"
#include "alloc_background.h"
#include "alloc_foreground.h"
+#include "backpointers.h"
#include "bkey_methods.h"
#include "bkey_buf.h"
#include "btree_journal_iter.h"
@@ -508,7 +509,7 @@ static int bch2_check_fix_ptrs(struct btree_trans *trans, enum btree_id btree_id
bkey_for_each_ptr_decode(k->k, ptrs_c, p, entry_c) {
struct bch_dev *ca = bch_dev_bkey_exists(c, p.ptr.dev);
struct bucket *g = PTR_GC_BUCKET(ca, &p.ptr);
- enum bch_data_type data_type = bch2_bkey_ptr_data_type(*k, &entry_c->ptr);
+ enum bch_data_type data_type = bch2_bkey_ptr_data_type(*k, p, entry_c);
if (fsck_err_on(!g->gen_valid,
c, ptr_to_missing_alloc_key,
@@ -574,7 +575,8 @@ static int bch2_check_fix_ptrs(struct btree_trans *trans, enum btree_id btree_id
continue;
if (fsck_err_on(bucket_data_type(g->data_type) &&
- bucket_data_type(g->data_type) != data_type, c,
+ bucket_data_type(g->data_type) !=
+ bucket_data_type(data_type), c,
ptr_bucket_data_type_mismatch,
"bucket %u:%zu different types of data in same bucket: %s, %s\n"
"while marking %s",
@@ -615,18 +617,13 @@ static int bch2_check_fix_ptrs(struct btree_trans *trans, enum btree_id btree_id
}
if (do_update) {
- struct bkey_ptrs ptrs;
- union bch_extent_entry *entry;
- struct bch_extent_ptr *ptr;
- struct bkey_i *new;
-
if (is_root) {
bch_err(c, "cannot update btree roots yet");
ret = -EINVAL;
goto err;
}
- new = kmalloc(bkey_bytes(k->k), GFP_KERNEL);
+ struct bkey_i *new = kmalloc(bkey_bytes(k->k), GFP_KERNEL);
if (!new) {
ret = -BCH_ERR_ENOMEM_gc_repair_key;
bch_err_msg(c, ret, "allocating new key");
@@ -641,7 +638,7 @@ static int bch2_check_fix_ptrs(struct btree_trans *trans, enum btree_id btree_id
* btree node isn't there anymore, the read path will
* sort it out:
*/
- ptrs = bch2_bkey_ptrs(bkey_i_to_s(new));
+ struct bkey_ptrs ptrs = bch2_bkey_ptrs(bkey_i_to_s(new));
bkey_for_each_ptr(ptrs, ptr) {
struct bch_dev *ca = bch_dev_bkey_exists(c, ptr->dev);
struct bucket *g = PTR_GC_BUCKET(ca, ptr);
@@ -649,19 +646,26 @@ static int bch2_check_fix_ptrs(struct btree_trans *trans, enum btree_id btree_id
ptr->gen = g->gen;
}
} else {
- bch2_bkey_drop_ptrs(bkey_i_to_s(new), ptr, ({
- struct bch_dev *ca = bch_dev_bkey_exists(c, ptr->dev);
- struct bucket *g = PTR_GC_BUCKET(ca, ptr);
- enum bch_data_type data_type = bch2_bkey_ptr_data_type(*k, ptr);
-
- (ptr->cached &&
- (!g->gen_valid || gen_cmp(ptr->gen, g->gen) > 0)) ||
- (!ptr->cached &&
- gen_cmp(ptr->gen, g->gen) < 0) ||
- gen_cmp(g->gen, ptr->gen) > BUCKET_GC_GEN_MAX ||
- (g->data_type &&
- g->data_type != data_type);
- }));
+ struct bkey_ptrs ptrs;
+ union bch_extent_entry *entry;
+restart_drop_ptrs:
+ ptrs = bch2_bkey_ptrs(bkey_i_to_s(new));
+ bkey_for_each_ptr_decode(bkey_i_to_s(new).k, ptrs, p, entry) {
+ struct bch_dev *ca = bch_dev_bkey_exists(c, p.ptr.dev);
+ struct bucket *g = PTR_GC_BUCKET(ca, &p.ptr);
+ enum bch_data_type data_type = bch2_bkey_ptr_data_type(bkey_i_to_s_c(new), p, entry);
+
+ if ((p.ptr.cached &&
+ (!g->gen_valid || gen_cmp(p.ptr.gen, g->gen) > 0)) ||
+ (!p.ptr.cached &&
+ gen_cmp(p.ptr.gen, g->gen) < 0) ||
+ gen_cmp(g->gen, p.ptr.gen) > BUCKET_GC_GEN_MAX ||
+ (g->data_type &&
+ g->data_type != data_type)) {
+ bch2_bkey_drop_ptr(bkey_i_to_s(new), &entry->ptr);
+ goto restart_drop_ptrs;
+ }
+ }
again:
ptrs = bch2_bkey_ptrs(bkey_i_to_s(new));
bkey_extent_entry_for_each(ptrs, entry) {
@@ -736,10 +740,6 @@ static int bch2_gc_mark_key(struct btree_trans *trans, enum btree_id btree_id,
BUG_ON(bch2_journal_seq_verify &&
k->k->version.lo > atomic64_read(&c->journal.seq));
- ret = bch2_check_fix_ptrs(trans, btree_id, level, is_root, k);
- if (ret)
- goto err;
-
if (fsck_err_on(k->k->version.lo > atomic64_read(&c->key_version), c,
bkey_version_in_future,
"key version number higher than recorded: %llu > %llu",
@@ -748,8 +748,13 @@ static int bch2_gc_mark_key(struct btree_trans *trans, enum btree_id btree_id,
atomic64_set(&c->key_version, k->k->version.lo);
}
+ ret = bch2_check_fix_ptrs(trans, btree_id, level, is_root, k);
+ if (ret)
+ goto err;
+
ret = commit_do(trans, NULL, NULL, 0,
- bch2_key_trigger(trans, btree_id, level, old, unsafe_bkey_s_c_to_s(*k), BTREE_TRIGGER_GC));
+ bch2_key_trigger(trans, btree_id, level, old,
+ unsafe_bkey_s_c_to_s(*k), BTREE_TRIGGER_GC));
fsck_err:
err:
bch_err_fn(c, ret);
diff --git a/fs/bcachefs/buckets.c b/fs/bcachefs/buckets.c
index 96edf2c34d433..941401a210f56 100644
--- a/fs/bcachefs/buckets.c
+++ b/fs/bcachefs/buckets.c
@@ -525,6 +525,7 @@ int bch2_mark_metadata_bucket(struct bch_fs *c, struct bch_dev *ca,
"different types of data in same bucket: %s, %s",
bch2_data_type_str(g->data_type),
bch2_data_type_str(data_type))) {
+ BUG();
ret = -EIO;
goto err;
}
@@ -628,6 +629,7 @@ int bch2_check_bucket_ref(struct btree_trans *trans,
bch2_data_type_str(ptr_data_type),
(printbuf_reset(&buf),
bch2_bkey_val_to_text(&buf, c, k), buf.buf));
+ BUG();
ret = -EIO;
goto err;
}
@@ -815,14 +817,14 @@ static int __mark_pointer(struct btree_trans *trans,
static int bch2_trigger_pointer(struct btree_trans *trans,
enum btree_id btree_id, unsigned level,
struct bkey_s_c k, struct extent_ptr_decoded p,
- s64 *sectors,
- unsigned flags)
+ const union bch_extent_entry *entry,
+ s64 *sectors, unsigned flags)
{
bool insert = !(flags & BTREE_TRIGGER_OVERWRITE);
struct bpos bucket;
struct bch_backpointer bp;
- bch2_extent_ptr_to_bp(trans->c, btree_id, level, k, p, &bucket, &bp);
+ bch2_extent_ptr_to_bp(trans->c, btree_id, level, k, p, entry, &bucket, &bp);
*sectors = insert ? bp.bucket_len : -((s64) bp.bucket_len);
if (flags & BTREE_TRIGGER_TRANSACTIONAL) {
@@ -851,7 +853,7 @@ static int bch2_trigger_pointer(struct btree_trans *trans,
if (flags & BTREE_TRIGGER_GC) {
struct bch_fs *c = trans->c;
struct bch_dev *ca = bch_dev_bkey_exists(c, p.ptr.dev);
- enum bch_data_type data_type = bkey_ptr_data_type(btree_id, level, k, p);
+ enum bch_data_type data_type = bch2_bkey_ptr_data_type(k, p, entry);
percpu_down_read(&c->mark_lock);
struct bucket *g = PTR_GC_BUCKET(ca, &p.ptr);
@@ -979,7 +981,7 @@ static int __trigger_extent(struct btree_trans *trans,
bkey_for_each_ptr_decode(k.k, ptrs, p, entry) {
s64 disk_sectors;
- ret = bch2_trigger_pointer(trans, btree_id, level, k, p, &disk_sectors, flags);
+ ret = bch2_trigger_pointer(trans, btree_id, level, k, p, entry, &disk_sectors, flags);
if (ret < 0)
return ret;
diff --git a/fs/bcachefs/extents.h b/fs/bcachefs/extents.h
index fd2669cdd76f3..3fd0169b98c18 100644
--- a/fs/bcachefs/extents.h
+++ b/fs/bcachefs/extents.h
@@ -596,30 +596,6 @@ static inline struct bch_devs_list bch2_bkey_cached_devs(struct bkey_s_c k)
return ret;
}
-static inline unsigned bch2_bkey_ptr_data_type(struct bkey_s_c k, const struct bch_extent_ptr *ptr)
-{
- switch (k.k->type) {
- case KEY_TYPE_btree_ptr:
- case KEY_TYPE_btree_ptr_v2:
- return BCH_DATA_btree;
- case KEY_TYPE_extent:
- case KEY_TYPE_reflink_v:
- return BCH_DATA_user;
- case KEY_TYPE_stripe: {
- struct bkey_s_c_stripe s = bkey_s_c_to_stripe(k);
-
- BUG_ON(ptr < s.v->ptrs ||
- ptr >= s.v->ptrs + s.v->nr_blocks);
-
- return ptr >= s.v->ptrs + s.v->nr_blocks - s.v->nr_redundant
- ? BCH_DATA_parity
- : BCH_DATA_user;
- }
- default:
- BUG();
- }
-}
-
unsigned bch2_bkey_nr_ptrs(struct bkey_s_c);
unsigned bch2_bkey_nr_ptrs_allocated(struct bkey_s_c);
unsigned bch2_bkey_nr_ptrs_fully_allocated(struct bkey_s_c);
--
GitLab
From 7f9e5080366726084eb765a5d689bdf502e7e2ed Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 14 Mar 2024 19:39:26 -0400
Subject: [PATCH 1895/2686] bcachefs: Fix bch2_btree_increase_depth()
When we haven't yet allocated any btree nodes for a given btree, we
first need to call the regular split path to allocate one.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_update_interior.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 826cebe4bce07..9c4325786ba8a 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -1882,9 +1882,12 @@ int bch2_btree_increase_depth(struct btree_trans *trans, btree_path_idx_t path,
{
struct bch_fs *c = trans->c;
struct btree *b = bch2_btree_id_root(c, trans->paths[path].btree_id)->b;
+
+ if (btree_node_fake(b))
+ return bch2_btree_split_leaf(trans, path, flags);
+
struct btree_update *as =
- bch2_btree_update_start(trans, trans->paths + path,
- b->c.level, true, flags);
+ bch2_btree_update_start(trans, trans->paths + path, b->c.level, true, flags);
if (IS_ERR(as))
return PTR_ERR(as);
--
GitLab
From 11d5568d3e04a2e6734d1eccc394cfcf5ca8523c Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 28 Mar 2024 01:41:03 -0400
Subject: [PATCH 1896/2686] bcachefs: fix backpointer for missing alloc key msg
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/backpointers.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/bcachefs/backpointers.c b/fs/bcachefs/backpointers.c
index 7537d78aa9db6..762c8ddfc5e73 100644
--- a/fs/bcachefs/backpointers.c
+++ b/fs/bcachefs/backpointers.c
@@ -382,7 +382,7 @@ static int bch2_check_btree_backpointer(struct btree_trans *trans, struct btree_
backpointer_to_missing_alloc,
"backpointer for nonexistent alloc key: %llu:%llu:0\n%s",
alloc_iter.pos.inode, alloc_iter.pos.offset,
- (bch2_bkey_val_to_text(&buf, c, alloc_k), buf.buf))) {
+ (bch2_bkey_val_to_text(&buf, c, k), buf.buf))) {
ret = bch2_btree_delete_at(trans, bp_iter, 0);
goto out;
}
--
GitLab
From d2554263adcb4041f3608cb7476f102fda036ccc Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 23 Mar 2024 20:07:46 -0400
Subject: [PATCH 1897/2686] bcachefs: Split out recovery_passes.c
We've grown a fair amount of code for managing recovery passes; tracking
which ones we're running, which ones need to be run, and flagging in the
superblock which ones need to be run on the next recovery.
So it's worth splitting out into its own file, this code is pretty
different from the code in recovery.c.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/Makefile | 1 +
fs/bcachefs/bcachefs.h | 2 +-
fs/bcachefs/btree_gc.c | 2 +-
fs/bcachefs/btree_update_interior.c | 2 +-
fs/bcachefs/chardev.c | 2 +-
fs/bcachefs/error.c | 2 +-
fs/bcachefs/fsck.c | 2 +-
fs/bcachefs/recovery.c | 249 +-----------------
fs/bcachefs/recovery.h | 32 +--
fs/bcachefs/recovery_passes.c | 203 ++++++++++++++
fs/bcachefs/recovery_passes.h | 16 ++
...covery_types.h => recovery_passes_types.h} | 7 +-
fs/bcachefs/sb-downgrade.c | 2 +-
fs/bcachefs/subvolume.c | 72 +++++
fs/bcachefs/subvolume.h | 3 +
fs/bcachefs/super-io.c | 2 +-
16 files changed, 313 insertions(+), 286 deletions(-)
create mode 100644 fs/bcachefs/recovery_passes.c
create mode 100644 fs/bcachefs/recovery_passes.h
rename fs/bcachefs/{recovery_types.h => recovery_passes_types.h} (94%)
diff --git a/fs/bcachefs/Makefile b/fs/bcachefs/Makefile
index b02796c8a5953..f6d86eb4b9765 100644
--- a/fs/bcachefs/Makefile
+++ b/fs/bcachefs/Makefile
@@ -67,6 +67,7 @@ bcachefs-y := \
quota.o \
rebalance.o \
recovery.o \
+ recovery_passes.o \
reflink.o \
replicas.o \
sb-clean.o \
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index a9ade0b1f78cf..963162a627cd6 100644
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -209,7 +209,7 @@
#include "fifo.h"
#include "nocow_locking_types.h"
#include "opts.h"
-#include "recovery_types.h"
+#include "recovery_passes_types.h"
#include "sb-errors_types.h"
#include "seqmutex.h"
#include "time_stats.h"
diff --git a/fs/bcachefs/btree_gc.c b/fs/bcachefs/btree_gc.c
index 0afefccf4e520..e5d2c6daa663d 100644
--- a/fs/bcachefs/btree_gc.c
+++ b/fs/bcachefs/btree_gc.c
@@ -25,7 +25,7 @@
#include "journal.h"
#include "keylist.h"
#include "move.h"
-#include "recovery.h"
+#include "recovery_passes.h"
#include "reflink.h"
#include "replicas.h"
#include "super-io.h"
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 9c4325786ba8a..983bb27298cc2 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -19,7 +19,7 @@
#include "journal.h"
#include "journal_reclaim.h"
#include "keylist.h"
-#include "recovery.h"
+#include "recovery_passes.h"
#include "replicas.h"
#include "super-io.h"
#include "trace.h"
diff --git a/fs/bcachefs/chardev.c b/fs/bcachefs/chardev.c
index 38defa19d52d7..cbfa6459bdbce 100644
--- a/fs/bcachefs/chardev.c
+++ b/fs/bcachefs/chardev.c
@@ -7,7 +7,7 @@
#include "chardev.h"
#include "journal.h"
#include "move.h"
-#include "recovery.h"
+#include "recovery_passes.h"
#include "replicas.h"
#include "super.h"
#include "super-io.h"
diff --git a/fs/bcachefs/error.c b/fs/bcachefs/error.c
index 043431206799d..f942a39474962 100644
--- a/fs/bcachefs/error.c
+++ b/fs/bcachefs/error.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include "bcachefs.h"
#include "error.h"
-#include "recovery.h"
+#include "recovery_passes.h"
#include "super.h"
#include "thread_with_file.h"
diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c
index 6d8367ab5ddda..aca6fae409cdf 100644
--- a/fs/bcachefs/fsck.c
+++ b/fs/bcachefs/fsck.c
@@ -12,7 +12,7 @@
#include "fsck.h"
#include "inode.h"
#include "keylist.h"
-#include "recovery.h"
+#include "recovery_passes.h"
#include "snapshot.h"
#include "super.h"
#include "xattr.h"
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index 03f9d6afe4678..f9e2b011f6d4f 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -1,35 +1,30 @@
// SPDX-License-Identifier: GPL-2.0
#include "bcachefs.h"
-#include "backpointers.h"
-#include "bkey_buf.h"
#include "alloc_background.h"
-#include "btree_gc.h"
+#include "bkey_buf.h"
#include "btree_journal_iter.h"
#include "btree_update.h"
#include "btree_update_interior.h"
#include "btree_io.h"
#include "buckets.h"
#include "dirent.h"
-#include "ec.h"
#include "errcode.h"
#include "error.h"
#include "fs-common.h"
-#include "fsck.h"
#include "journal_io.h"
#include "journal_reclaim.h"
#include "journal_seq_blacklist.h"
-#include "lru.h"
#include "logged_ops.h"
#include "move.h"
#include "quota.h"
#include "rebalance.h"
#include "recovery.h"
+#include "recovery_passes.h"
#include "replicas.h"
#include "sb-clean.h"
#include "sb-downgrade.h"
#include "snapshot.h"
-#include "subvolume.h"
#include "super-io.h"
#include <linux/sort.h>
@@ -186,7 +181,7 @@ static int journal_sort_seq_cmp(const void *_l, const void *_r)
return cmp_int(l->journal_seq, r->journal_seq);
}
-static int bch2_journal_replay(struct bch_fs *c)
+int bch2_journal_replay(struct bch_fs *c)
{
struct journal_keys *keys = &c->journal_keys;
DARRAY(struct journal_key *) keys_sorted = { 0 };
@@ -471,150 +466,6 @@ static int read_btree_roots(struct bch_fs *c)
return ret;
}
-static int bch2_initialize_subvolumes(struct bch_fs *c)
-{
- struct bkey_i_snapshot_tree root_tree;
- struct bkey_i_snapshot root_snapshot;
- struct bkey_i_subvolume root_volume;
- int ret;
-
- bkey_snapshot_tree_init(&root_tree.k_i);
- root_tree.k.p.offset = 1;
- root_tree.v.master_subvol = cpu_to_le32(1);
- root_tree.v.root_snapshot = cpu_to_le32(U32_MAX);
-
- bkey_snapshot_init(&root_snapshot.k_i);
- root_snapshot.k.p.offset = U32_MAX;
- root_snapshot.v.flags = 0;
- root_snapshot.v.parent = 0;
- root_snapshot.v.subvol = cpu_to_le32(BCACHEFS_ROOT_SUBVOL);
- root_snapshot.v.tree = cpu_to_le32(1);
- SET_BCH_SNAPSHOT_SUBVOL(&root_snapshot.v, true);
-
- bkey_subvolume_init(&root_volume.k_i);
- root_volume.k.p.offset = BCACHEFS_ROOT_SUBVOL;
- root_volume.v.flags = 0;
- root_volume.v.snapshot = cpu_to_le32(U32_MAX);
- root_volume.v.inode = cpu_to_le64(BCACHEFS_ROOT_INO);
-
- ret = bch2_btree_insert(c, BTREE_ID_snapshot_trees, &root_tree.k_i, NULL, 0) ?:
- bch2_btree_insert(c, BTREE_ID_snapshots, &root_snapshot.k_i, NULL, 0) ?:
- bch2_btree_insert(c, BTREE_ID_subvolumes, &root_volume.k_i, NULL, 0);
- bch_err_fn(c, ret);
- return ret;
-}
-
-static int __bch2_fs_upgrade_for_subvolumes(struct btree_trans *trans)
-{
- struct btree_iter iter;
- struct bkey_s_c k;
- struct bch_inode_unpacked inode;
- int ret;
-
- k = bch2_bkey_get_iter(trans, &iter, BTREE_ID_inodes,
- SPOS(0, BCACHEFS_ROOT_INO, U32_MAX), 0);
- ret = bkey_err(k);
- if (ret)
- return ret;
-
- if (!bkey_is_inode(k.k)) {
- bch_err(trans->c, "root inode not found");
- ret = -BCH_ERR_ENOENT_inode;
- goto err;
- }
-
- ret = bch2_inode_unpack(k, &inode);
- BUG_ON(ret);
-
- inode.bi_subvol = BCACHEFS_ROOT_SUBVOL;
-
- ret = bch2_inode_write(trans, &iter, &inode);
-err:
- bch2_trans_iter_exit(trans, &iter);
- return ret;
-}
-
-/* set bi_subvol on root inode */
-noinline_for_stack
-static int bch2_fs_upgrade_for_subvolumes(struct bch_fs *c)
-{
- int ret = bch2_trans_do(c, NULL, NULL, BCH_TRANS_COMMIT_lazy_rw,
- __bch2_fs_upgrade_for_subvolumes(trans));
- bch_err_fn(c, ret);
- return ret;
-}
-
-const char * const bch2_recovery_passes[] = {
-#define x(_fn, ...) #_fn,
- BCH_RECOVERY_PASSES()
-#undef x
- NULL
-};
-
-static int bch2_check_allocations(struct bch_fs *c)
-{
- return bch2_gc(c, true, c->opts.norecovery);
-}
-
-static int bch2_set_may_go_rw(struct bch_fs *c)
-{
- struct journal_keys *keys = &c->journal_keys;
-
- /*
- * After we go RW, the journal keys buffer can't be modified (except for
- * setting journal_key->overwritten: it will be accessed by multiple
- * threads
- */
- move_gap(keys, keys->nr);
-
- set_bit(BCH_FS_may_go_rw, &c->flags);
-
- if (keys->nr || c->opts.fsck || !c->sb.clean)
- return bch2_fs_read_write_early(c);
- return 0;
-}
-
-struct recovery_pass_fn {
- int (*fn)(struct bch_fs *);
- unsigned when;
-};
-
-static struct recovery_pass_fn recovery_pass_fns[] = {
-#define x(_fn, _id, _when) { .fn = bch2_##_fn, .when = _when },
- BCH_RECOVERY_PASSES()
-#undef x
-};
-
-u64 bch2_recovery_passes_to_stable(u64 v)
-{
- static const u8 map[] = {
-#define x(n, id, ...) [BCH_RECOVERY_PASS_##n] = BCH_RECOVERY_PASS_STABLE_##n,
- BCH_RECOVERY_PASSES()
-#undef x
- };
-
- u64 ret = 0;
- for (unsigned i = 0; i < ARRAY_SIZE(map); i++)
- if (v & BIT_ULL(i))
- ret |= BIT_ULL(map[i]);
- return ret;
-}
-
-u64 bch2_recovery_passes_from_stable(u64 v)
-{
- static const u8 map[] = {
-#define x(n, id, ...) [BCH_RECOVERY_PASS_STABLE_##n] = BCH_RECOVERY_PASS_##n,
- BCH_RECOVERY_PASSES()
-#undef x
- };
-
- u64 ret = 0;
- for (unsigned i = 0; i < ARRAY_SIZE(map); i++)
- if (v & BIT_ULL(i))
- ret |= BIT_ULL(map[i]);
- return ret;
-}
-
static bool check_version_upgrade(struct bch_fs *c)
{
unsigned latest_version = bcachefs_metadata_version_current;
@@ -687,96 +538,6 @@ static bool check_version_upgrade(struct bch_fs *c)
return false;
}
-u64 bch2_fsck_recovery_passes(void)
-{
- u64 ret = 0;
-
- for (unsigned i = 0; i < ARRAY_SIZE(recovery_pass_fns); i++)
- if (recovery_pass_fns[i].when & PASS_FSCK)
- ret |= BIT_ULL(i);
- return ret;
-}
-
-static bool should_run_recovery_pass(struct bch_fs *c, enum bch_recovery_pass pass)
-{
- struct recovery_pass_fn *p = recovery_pass_fns + pass;
-
- if (c->opts.norecovery && pass > BCH_RECOVERY_PASS_snapshots_read)
- return false;
- if (c->recovery_passes_explicit & BIT_ULL(pass))
- return true;
- if ((p->when & PASS_FSCK) && c->opts.fsck)
- return true;
- if ((p->when & PASS_UNCLEAN) && !c->sb.clean)
- return true;
- if (p->when & PASS_ALWAYS)
- return true;
- return false;
-}
-
-static int bch2_run_recovery_pass(struct bch_fs *c, enum bch_recovery_pass pass)
-{
- struct recovery_pass_fn *p = recovery_pass_fns + pass;
- int ret;
-
- if (!(p->when & PASS_SILENT))
- bch2_print(c, KERN_INFO bch2_log_msg(c, "%s..."),
- bch2_recovery_passes[pass]);
- ret = p->fn(c);
- if (ret)
- return ret;
- if (!(p->when & PASS_SILENT))
- bch2_print(c, KERN_CONT " done\n");
-
- return 0;
-}
-
-static int bch2_run_recovery_passes(struct bch_fs *c)
-{
- int ret = 0;
-
- while (c->curr_recovery_pass < ARRAY_SIZE(recovery_pass_fns)) {
- if (should_run_recovery_pass(c, c->curr_recovery_pass)) {
- unsigned pass = c->curr_recovery_pass;
-
- ret = bch2_run_recovery_pass(c, c->curr_recovery_pass);
- if (bch2_err_matches(ret, BCH_ERR_restart_recovery) ||
- (ret && c->curr_recovery_pass < pass))
- continue;
- if (ret)
- break;
-
- c->recovery_passes_complete |= BIT_ULL(c->curr_recovery_pass);
- }
- c->curr_recovery_pass++;
- c->recovery_pass_done = max(c->recovery_pass_done, c->curr_recovery_pass);
- }
-
- return ret;
-}
-
-int bch2_run_online_recovery_passes(struct bch_fs *c)
-{
- int ret = 0;
-
- for (unsigned i = 0; i < ARRAY_SIZE(recovery_pass_fns); i++) {
- struct recovery_pass_fn *p = recovery_pass_fns + i;
-
- if (!(p->when & PASS_ONLINE))
- continue;
-
- ret = bch2_run_recovery_pass(c, i);
- if (bch2_err_matches(ret, BCH_ERR_restart_recovery)) {
- i = c->curr_recovery_pass;
- continue;
- }
- if (ret)
- break;
- }
-
- return ret;
-}
-
int bch2_fs_recovery(struct bch_fs *c)
{
struct bch_sb_field_clean *clean = NULL;
@@ -1155,7 +916,7 @@ int bch2_fs_initialize(struct bch_fs *c)
}
mutex_unlock(&c->sb_lock);
- c->curr_recovery_pass = ARRAY_SIZE(recovery_pass_fns);
+ c->curr_recovery_pass = BCH_RECOVERY_PASS_NR;
set_bit(BCH_FS_may_go_rw, &c->flags);
for (unsigned i = 0; i < BTREE_ID_NR; i++)
@@ -1230,7 +991,7 @@ int bch2_fs_initialize(struct bch_fs *c)
if (ret)
goto err;
- c->recovery_pass_done = ARRAY_SIZE(recovery_pass_fns) - 1;
+ c->recovery_pass_done = BCH_RECOVERY_PASS_NR - 1;
if (enabled_qtypes(c)) {
ret = bch2_fs_quota_read(c);
diff --git a/fs/bcachefs/recovery.h b/fs/bcachefs/recovery.h
index 4e9d24719b2e8..3962fd87b50d8 100644
--- a/fs/bcachefs/recovery.h
+++ b/fs/bcachefs/recovery.h
@@ -2,37 +2,7 @@
#ifndef _BCACHEFS_RECOVERY_H
#define _BCACHEFS_RECOVERY_H
-extern const char * const bch2_recovery_passes[];
-
-u64 bch2_recovery_passes_to_stable(u64 v);
-u64 bch2_recovery_passes_from_stable(u64 v);
-
-/*
- * For when we need to rewind recovery passes and run a pass we skipped:
- */
-static inline int bch2_run_explicit_recovery_pass(struct bch_fs *c,
- enum bch_recovery_pass pass)
-{
- if (c->recovery_passes_explicit & BIT_ULL(pass))
- return 0;
-
- bch_info(c, "running explicit recovery pass %s (%u), currently at %s (%u)",
- bch2_recovery_passes[pass], pass,
- bch2_recovery_passes[c->curr_recovery_pass], c->curr_recovery_pass);
-
- c->recovery_passes_explicit |= BIT_ULL(pass);
-
- if (c->curr_recovery_pass >= pass) {
- c->curr_recovery_pass = pass;
- c->recovery_passes_complete &= (1ULL << pass) >> 1;
- return -BCH_ERR_restart_recovery;
- } else {
- return 0;
- }
-}
-
-int bch2_run_online_recovery_passes(struct bch_fs *);
-u64 bch2_fsck_recovery_passes(void);
+int bch2_journal_replay(struct bch_fs *);
int bch2_fs_recovery(struct bch_fs *);
int bch2_fs_initialize(struct bch_fs *);
diff --git a/fs/bcachefs/recovery_passes.c b/fs/bcachefs/recovery_passes.c
new file mode 100644
index 0000000000000..bab586dc395a6
--- /dev/null
+++ b/fs/bcachefs/recovery_passes.c
@@ -0,0 +1,203 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "bcachefs.h"
+#include "alloc_background.h"
+#include "backpointers.h"
+#include "btree_gc.h"
+#include "ec.h"
+#include "fsck.h"
+#include "inode.h"
+#include "journal.h"
+#include "lru.h"
+#include "logged_ops.h"
+#include "rebalance.h"
+#include "recovery.h"
+#include "recovery_passes.h"
+#include "snapshot.h"
+#include "subvolume.h"
+#include "super.h"
+
+const char * const bch2_recovery_passes[] = {
+#define x(_fn, ...) #_fn,
+ BCH_RECOVERY_PASSES()
+#undef x
+ NULL
+};
+
+static int bch2_check_allocations(struct bch_fs *c)
+{
+ return bch2_gc(c, true, c->opts.norecovery);
+}
+
+static int bch2_set_may_go_rw(struct bch_fs *c)
+{
+ struct journal_keys *keys = &c->journal_keys;
+
+ /*
+ * After we go RW, the journal keys buffer can't be modified (except for
+ * setting journal_key->overwritten: it will be accessed by multiple
+ * threads
+ */
+ move_gap(keys, keys->nr);
+
+ set_bit(BCH_FS_may_go_rw, &c->flags);
+
+ if (keys->nr || c->opts.fsck || !c->sb.clean)
+ return bch2_fs_read_write_early(c);
+ return 0;
+}
+
+struct recovery_pass_fn {
+ int (*fn)(struct bch_fs *);
+ unsigned when;
+};
+
+static struct recovery_pass_fn recovery_pass_fns[] = {
+#define x(_fn, _id, _when) { .fn = bch2_##_fn, .when = _when },
+ BCH_RECOVERY_PASSES()
+#undef x
+};
+
+u64 bch2_recovery_passes_to_stable(u64 v)
+{
+ static const u8 map[] = {
+#define x(n, id, ...) [BCH_RECOVERY_PASS_##n] = BCH_RECOVERY_PASS_STABLE_##n,
+ BCH_RECOVERY_PASSES()
+#undef x
+ };
+
+ u64 ret = 0;
+ for (unsigned i = 0; i < ARRAY_SIZE(map); i++)
+ if (v & BIT_ULL(i))
+ ret |= BIT_ULL(map[i]);
+ return ret;
+}
+
+u64 bch2_recovery_passes_from_stable(u64 v)
+{
+ static const u8 map[] = {
+#define x(n, id, ...) [BCH_RECOVERY_PASS_STABLE_##n] = BCH_RECOVERY_PASS_##n,
+ BCH_RECOVERY_PASSES()
+#undef x
+ };
+
+ u64 ret = 0;
+ for (unsigned i = 0; i < ARRAY_SIZE(map); i++)
+ if (v & BIT_ULL(i))
+ ret |= BIT_ULL(map[i]);
+ return ret;
+}
+
+/*
+ * For when we need to rewind recovery passes and run a pass we skipped:
+ */
+int bch2_run_explicit_recovery_pass(struct bch_fs *c,
+ enum bch_recovery_pass pass)
+{
+ if (c->recovery_passes_explicit & BIT_ULL(pass))
+ return 0;
+
+ bch_info(c, "running explicit recovery pass %s (%u), currently at %s (%u)",
+ bch2_recovery_passes[pass], pass,
+ bch2_recovery_passes[c->curr_recovery_pass], c->curr_recovery_pass);
+
+ c->recovery_passes_explicit |= BIT_ULL(pass);
+
+ if (c->curr_recovery_pass >= pass) {
+ c->curr_recovery_pass = pass;
+ c->recovery_passes_complete &= (1ULL << pass) >> 1;
+ return -BCH_ERR_restart_recovery;
+ } else {
+ return 0;
+ }
+}
+
+u64 bch2_fsck_recovery_passes(void)
+{
+ u64 ret = 0;
+
+ for (unsigned i = 0; i < ARRAY_SIZE(recovery_pass_fns); i++)
+ if (recovery_pass_fns[i].when & PASS_FSCK)
+ ret |= BIT_ULL(i);
+ return ret;
+}
+
+static bool should_run_recovery_pass(struct bch_fs *c, enum bch_recovery_pass pass)
+{
+ struct recovery_pass_fn *p = recovery_pass_fns + pass;
+
+ if (c->opts.norecovery && pass > BCH_RECOVERY_PASS_snapshots_read)
+ return false;
+ if (c->recovery_passes_explicit & BIT_ULL(pass))
+ return true;
+ if ((p->when & PASS_FSCK) && c->opts.fsck)
+ return true;
+ if ((p->when & PASS_UNCLEAN) && !c->sb.clean)
+ return true;
+ if (p->when & PASS_ALWAYS)
+ return true;
+ return false;
+}
+
+static int bch2_run_recovery_pass(struct bch_fs *c, enum bch_recovery_pass pass)
+{
+ struct recovery_pass_fn *p = recovery_pass_fns + pass;
+ int ret;
+
+ if (!(p->when & PASS_SILENT))
+ bch2_print(c, KERN_INFO bch2_log_msg(c, "%s..."),
+ bch2_recovery_passes[pass]);
+ ret = p->fn(c);
+ if (ret)
+ return ret;
+ if (!(p->when & PASS_SILENT))
+ bch2_print(c, KERN_CONT " done\n");
+
+ return 0;
+}
+
+int bch2_run_online_recovery_passes(struct bch_fs *c)
+{
+ int ret = 0;
+
+ for (unsigned i = 0; i < ARRAY_SIZE(recovery_pass_fns); i++) {
+ struct recovery_pass_fn *p = recovery_pass_fns + i;
+
+ if (!(p->when & PASS_ONLINE))
+ continue;
+
+ ret = bch2_run_recovery_pass(c, i);
+ if (bch2_err_matches(ret, BCH_ERR_restart_recovery)) {
+ i = c->curr_recovery_pass;
+ continue;
+ }
+ if (ret)
+ break;
+ }
+
+ return ret;
+}
+
+int bch2_run_recovery_passes(struct bch_fs *c)
+{
+ int ret = 0;
+
+ while (c->curr_recovery_pass < ARRAY_SIZE(recovery_pass_fns)) {
+ if (should_run_recovery_pass(c, c->curr_recovery_pass)) {
+ unsigned pass = c->curr_recovery_pass;
+
+ ret = bch2_run_recovery_pass(c, c->curr_recovery_pass);
+ if (bch2_err_matches(ret, BCH_ERR_restart_recovery) ||
+ (ret && c->curr_recovery_pass < pass))
+ continue;
+ if (ret)
+ break;
+
+ c->recovery_passes_complete |= BIT_ULL(c->curr_recovery_pass);
+ }
+ c->curr_recovery_pass++;
+ c->recovery_pass_done = max(c->recovery_pass_done, c->curr_recovery_pass);
+ }
+
+ return ret;
+}
diff --git a/fs/bcachefs/recovery_passes.h b/fs/bcachefs/recovery_passes.h
new file mode 100644
index 0000000000000..abefa67749ebb
--- /dev/null
+++ b/fs/bcachefs/recovery_passes.h
@@ -0,0 +1,16 @@
+#ifndef _BCACHEFS_RECOVERY_PASSES_H
+#define _BCACHEFS_RECOVERY_PASSES_H
+
+extern const char * const bch2_recovery_passes[];
+
+u64 bch2_recovery_passes_to_stable(u64 v);
+u64 bch2_recovery_passes_from_stable(u64 v);
+
+u64 bch2_fsck_recovery_passes(void);
+
+int bch2_run_explicit_recovery_pass(struct bch_fs *, enum bch_recovery_pass);
+
+int bch2_run_online_recovery_passes(struct bch_fs *);
+int bch2_run_recovery_passes(struct bch_fs *);
+
+#endif /* _BCACHEFS_RECOVERY_PASSES_H */
diff --git a/fs/bcachefs/recovery_types.h b/fs/bcachefs/recovery_passes_types.h
similarity index 94%
rename from fs/bcachefs/recovery_types.h
rename to fs/bcachefs/recovery_passes_types.h
index 4959e95e7c746..09c1ab032a675 100644
--- a/fs/bcachefs/recovery_types.h
+++ b/fs/bcachefs/recovery_passes_types.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _BCACHEFS_RECOVERY_TYPES_H
-#define _BCACHEFS_RECOVERY_TYPES_H
+#ifndef _BCACHEFS_RECOVERY_PASSES_TYPES_H
+#define _BCACHEFS_RECOVERY_PASSES_TYPES_H
#define PASS_SILENT BIT(0)
#define PASS_FSCK BIT(1)
@@ -56,6 +56,7 @@ enum bch_recovery_pass {
#define x(n, id, when) BCH_RECOVERY_PASS_##n,
BCH_RECOVERY_PASSES()
#undef x
+ BCH_RECOVERY_PASS_NR
};
/* But we also need stable identifiers that can be used in the superblock */
@@ -65,4 +66,4 @@ enum bch_recovery_pass_stable {
#undef x
};
-#endif /* _BCACHEFS_RECOVERY_TYPES_H */
+#endif /* _BCACHEFS_RECOVERY_PASSES_TYPES_H */
diff --git a/fs/bcachefs/sb-downgrade.c b/fs/bcachefs/sb-downgrade.c
index e4396cb0bacb0..d6f81179c3a29 100644
--- a/fs/bcachefs/sb-downgrade.c
+++ b/fs/bcachefs/sb-downgrade.c
@@ -7,7 +7,7 @@
#include "bcachefs.h"
#include "darray.h"
-#include "recovery.h"
+#include "recovery_passes.h"
#include "sb-downgrade.h"
#include "sb-errors.h"
#include "super-io.h"
diff --git a/fs/bcachefs/subvolume.c b/fs/bcachefs/subvolume.c
index ce7aed1219423..88a79c8232768 100644
--- a/fs/bcachefs/subvolume.c
+++ b/fs/bcachefs/subvolume.c
@@ -595,6 +595,78 @@ int bch2_subvolume_create(struct btree_trans *trans, u64 inode,
return ret;
}
+int bch2_initialize_subvolumes(struct bch_fs *c)
+{
+ struct bkey_i_snapshot_tree root_tree;
+ struct bkey_i_snapshot root_snapshot;
+ struct bkey_i_subvolume root_volume;
+ int ret;
+
+ bkey_snapshot_tree_init(&root_tree.k_i);
+ root_tree.k.p.offset = 1;
+ root_tree.v.master_subvol = cpu_to_le32(1);
+ root_tree.v.root_snapshot = cpu_to_le32(U32_MAX);
+
+ bkey_snapshot_init(&root_snapshot.k_i);
+ root_snapshot.k.p.offset = U32_MAX;
+ root_snapshot.v.flags = 0;
+ root_snapshot.v.parent = 0;
+ root_snapshot.v.subvol = cpu_to_le32(BCACHEFS_ROOT_SUBVOL);
+ root_snapshot.v.tree = cpu_to_le32(1);
+ SET_BCH_SNAPSHOT_SUBVOL(&root_snapshot.v, true);
+
+ bkey_subvolume_init(&root_volume.k_i);
+ root_volume.k.p.offset = BCACHEFS_ROOT_SUBVOL;
+ root_volume.v.flags = 0;
+ root_volume.v.snapshot = cpu_to_le32(U32_MAX);
+ root_volume.v.inode = cpu_to_le64(BCACHEFS_ROOT_INO);
+
+ ret = bch2_btree_insert(c, BTREE_ID_snapshot_trees, &root_tree.k_i, NULL, 0) ?:
+ bch2_btree_insert(c, BTREE_ID_snapshots, &root_snapshot.k_i, NULL, 0) ?:
+ bch2_btree_insert(c, BTREE_ID_subvolumes, &root_volume.k_i, NULL, 0);
+ bch_err_fn(c, ret);
+ return ret;
+}
+
+static int __bch2_fs_upgrade_for_subvolumes(struct btree_trans *trans)
+{
+ struct btree_iter iter;
+ struct bkey_s_c k;
+ struct bch_inode_unpacked inode;
+ int ret;
+
+ k = bch2_bkey_get_iter(trans, &iter, BTREE_ID_inodes,
+ SPOS(0, BCACHEFS_ROOT_INO, U32_MAX), 0);
+ ret = bkey_err(k);
+ if (ret)
+ return ret;
+
+ if (!bkey_is_inode(k.k)) {
+ bch_err(trans->c, "root inode not found");
+ ret = -BCH_ERR_ENOENT_inode;
+ goto err;
+ }
+
+ ret = bch2_inode_unpack(k, &inode);
+ BUG_ON(ret);
+
+ inode.bi_subvol = BCACHEFS_ROOT_SUBVOL;
+
+ ret = bch2_inode_write(trans, &iter, &inode);
+err:
+ bch2_trans_iter_exit(trans, &iter);
+ return ret;
+}
+
+/* set bi_subvol on root inode */
+int bch2_fs_upgrade_for_subvolumes(struct bch_fs *c)
+{
+ int ret = bch2_trans_do(c, NULL, NULL, BCH_TRANS_COMMIT_lazy_rw,
+ __bch2_fs_upgrade_for_subvolumes(trans));
+ bch_err_fn(c, ret);
+ return ret;
+}
+
int bch2_fs_subvolumes_init(struct bch_fs *c)
{
INIT_WORK(&c->snapshot_delete_work, bch2_delete_dead_snapshots_work);
diff --git a/fs/bcachefs/subvolume.h b/fs/bcachefs/subvolume.h
index 903c05162c068..d2015d549bd2a 100644
--- a/fs/bcachefs/subvolume.h
+++ b/fs/bcachefs/subvolume.h
@@ -37,6 +37,9 @@ void bch2_delete_dead_snapshots_async(struct bch_fs *);
int bch2_subvolume_unlink(struct btree_trans *, u32);
int bch2_subvolume_create(struct btree_trans *, u64, u32, u32, u32 *, u32 *, bool);
+int bch2_initialize_subvolumes(struct bch_fs *);
+int bch2_fs_upgrade_for_subvolumes(struct bch_fs *);
+
int bch2_fs_subvolumes_init(struct bch_fs *);
#endif /* _BCACHEFS_SUBVOLUME_H */
diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c
index ad28e370b6404..e15f8b1f30c2a 100644
--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -8,7 +8,7 @@
#include "journal.h"
#include "journal_sb.h"
#include "journal_seq_blacklist.h"
-#include "recovery.h"
+#include "recovery_passes.h"
#include "replicas.h"
#include "quota.h"
#include "sb-clean.h"
--
GitLab
From e5aa80464155287cc309d18c1c93962357e3e393 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 23 Mar 2024 19:30:58 -0400
Subject: [PATCH 1898/2686] bcachefs: Add error messages to logged ops fns
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/io_misc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/bcachefs/io_misc.c b/fs/bcachefs/io_misc.c
index 1baf78594ccaf..82f9170dab3fd 100644
--- a/fs/bcachefs/io_misc.c
+++ b/fs/bcachefs/io_misc.c
@@ -264,6 +264,7 @@ static int __bch2_resume_logged_op_truncate(struct btree_trans *trans,
ret = 0;
err:
bch2_logged_op_finish(trans, op_k);
+ bch_err_fn(c, ret);
return ret;
}
@@ -476,6 +477,7 @@ case LOGGED_OP_FINSERT_finish:
break;
}
err:
+ bch_err_fn(c, ret);
bch2_logged_op_finish(trans, op_k);
bch2_trans_iter_exit(trans, &iter);
return ret;
--
GitLab
From af855a5f5e74cf0ef1166759fca937ce692b4aac Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 23 Mar 2024 19:31:15 -0400
Subject: [PATCH 1899/2686] bcachefs: Resume logged ops after fsck
Finishing logged ops requires the filesystem to be in a reasonably
consistent state - and other fsck passes don't require it to have
completed, so just run it last.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/recovery_passes_types.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/bcachefs/recovery_passes_types.h b/fs/bcachefs/recovery_passes_types.h
index 09c1ab032a675..f305212857068 100644
--- a/fs/bcachefs/recovery_passes_types.h
+++ b/fs/bcachefs/recovery_passes_types.h
@@ -37,7 +37,6 @@
x(check_subvol_children, 35, PASS_ONLINE|PASS_FSCK) \
x(delete_dead_snapshots, 21, PASS_ONLINE|PASS_FSCK) \
x(fs_upgrade_for_subvolumes, 22, 0) \
- x(resume_logged_ops, 23, PASS_ALWAYS) \
x(check_inodes, 24, PASS_FSCK) \
x(check_extents, 25, PASS_FSCK) \
x(check_indirect_extents, 26, PASS_FSCK) \
@@ -47,6 +46,7 @@
x(check_subvolume_structure, 36, PASS_ONLINE|PASS_FSCK) \
x(check_directory_structure, 30, PASS_ONLINE|PASS_FSCK) \
x(check_nlinks, 31, PASS_FSCK) \
+ x(resume_logged_ops, 23, PASS_ALWAYS) \
x(delete_dead_inodes, 32, PASS_FSCK|PASS_UNCLEAN) \
x(fix_reflink_p, 33, 0) \
x(set_fs_needs_rebalance, 34, 0) \
--
GitLab
From 4fe0eeeae477328cbd26af1e6f81a94e2080ffa8 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 28 Mar 2024 02:36:10 -0400
Subject: [PATCH 1900/2686] bcachefs: Flush journal immediately after replay if
we did early repair
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/recovery.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index f9e2b011f6d4f..dbedb5fd1dde5 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -189,6 +189,7 @@ int bch2_journal_replay(struct bch_fs *c)
u64 start_seq = c->journal_replay_seq_start;
u64 end_seq = c->journal_replay_seq_start;
struct btree_trans *trans = bch2_trans_get(c);
+ bool immediate_flush = false;
int ret = 0;
if (keys->nr) {
@@ -210,6 +211,13 @@ int bch2_journal_replay(struct bch_fs *c)
darray_for_each(*keys, k) {
cond_resched();
+ /*
+ * k->allocated means the key wasn't read in from the journal,
+ * rather it was from early repair code
+ */
+ if (k->allocated)
+ immediate_flush = true;
+
/* Skip fastpath if we're low on space in the journal */
ret = c->journal.watermark ? -1 :
commit_do(trans, NULL, NULL,
@@ -269,6 +277,12 @@ int bch2_journal_replay(struct bch_fs *c)
bch2_journal_set_replay_done(j);
+ /* if we did any repair, flush it immediately */
+ if (immediate_flush) {
+ bch2_journal_flush_all_pins(&c->journal);
+ ret = bch2_journal_meta(&c->journal);
+ }
+
if (keys->nr)
bch2_journal_log_msg(c, "journal replay finished");
err:
@@ -778,6 +792,12 @@ int bch2_fs_recovery(struct bch_fs *c)
clear_bit(BCH_FS_fsck_running, &c->flags);
+ /* fsync if we fixed errors */
+ if (test_bit(BCH_FS_errors_fixed, &c->flags)) {
+ bch2_journal_flush_all_pins(&c->journal);
+ bch2_journal_meta(&c->journal);
+ }
+
/* If we fixed errors, verify that fs is actually clean now: */
if (IS_ENABLED(CONFIG_BCACHEFS_DEBUG) &&
test_bit(BCH_FS_errors_fixed, &c->flags) &&
--
GitLab
From 0a34c058fca84b10002228a1724e2e613e4dc3cc Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 30 Mar 2024 18:57:53 -0400
Subject: [PATCH 1901/2686] bcachefs: Ensure bch_sb_field_ext always exists
This makes bch_sb_field_ext more consistent with the rest of -o
nochanges - we don't want to be varying other codepaths based on -o
nochanges, since it's used for testing in dry run mode; also fixes some
potential null ptr derefs.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/recovery.c | 25 ++++++++-----------------
fs/bcachefs/super.c | 8 ++++++++
2 files changed, 16 insertions(+), 17 deletions(-)
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index dbedb5fd1dde5..e3b06430d6067 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -592,16 +592,9 @@ int bch2_fs_recovery(struct bch_fs *c)
if (!c->opts.nochanges) {
mutex_lock(&c->sb_lock);
+ struct bch_sb_field_ext *ext = bch2_sb_field_get(c->disk_sb.sb, ext);
bool write_sb = false;
- struct bch_sb_field_ext *ext =
- bch2_sb_field_get_minsize(&c->disk_sb, ext, sizeof(*ext) / sizeof(u64));
- if (!ext) {
- ret = -BCH_ERR_ENOSPC_sb;
- mutex_unlock(&c->sb_lock);
- goto err;
- }
-
if (BCH_SB_HAS_TOPOLOGY_ERRORS(c->disk_sb.sb)) {
ext->recovery_passes_required[0] |=
cpu_to_le64(bch2_recovery_passes_to_stable(BIT_ULL(BCH_RECOVERY_PASS_check_topology)));
@@ -832,6 +825,7 @@ int bch2_fs_recovery(struct bch_fs *c)
}
mutex_lock(&c->sb_lock);
+ struct bch_sb_field_ext *ext = bch2_sb_field_get(c->disk_sb.sb, ext);
bool write_sb = false;
if (BCH_SB_VERSION_UPGRADE_COMPLETE(c->disk_sb.sb) != le16_to_cpu(c->disk_sb.sb->version)) {
@@ -845,15 +839,12 @@ int bch2_fs_recovery(struct bch_fs *c)
write_sb = true;
}
- if (!test_bit(BCH_FS_error, &c->flags)) {
- struct bch_sb_field_ext *ext = bch2_sb_field_get(c->disk_sb.sb, ext);
- if (ext &&
- (!bch2_is_zero(ext->recovery_passes_required, sizeof(ext->recovery_passes_required)) ||
- !bch2_is_zero(ext->errors_silent, sizeof(ext->errors_silent)))) {
- memset(ext->recovery_passes_required, 0, sizeof(ext->recovery_passes_required));
- memset(ext->errors_silent, 0, sizeof(ext->errors_silent));
- write_sb = true;
- }
+ if (!test_bit(BCH_FS_error, &c->flags) &&
+ (!bch2_is_zero(ext->recovery_passes_required, sizeof(ext->recovery_passes_required)) ||
+ !bch2_is_zero(ext->errors_silent, sizeof(ext->errors_silent)))) {
+ memset(ext->recovery_passes_required, 0, sizeof(ext->recovery_passes_required));
+ memset(ext->errors_silent, 0, sizeof(ext->errors_silent));
+ write_sb = true;
}
if (c->opts.fsck &&
diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c
index 1ad6e5cd9476c..89ee5d3ec1196 100644
--- a/fs/bcachefs/super.c
+++ b/fs/bcachefs/super.c
@@ -1015,8 +1015,16 @@ int bch2_fs_start(struct bch_fs *c)
for_each_online_member(c, ca)
bch2_members_v2_get_mut(c->disk_sb.sb, ca->dev_idx)->last_mount = cpu_to_le64(now);
+ struct bch_sb_field_ext *ext =
+ bch2_sb_field_get_minsize(&c->disk_sb, ext, sizeof(*ext) / sizeof(u64));
mutex_unlock(&c->sb_lock);
+ if (!ext) {
+ bch_err(c, "insufficient space in superblock for sb_field_ext");
+ ret = -BCH_ERR_ENOSPC_sb;
+ goto err;
+ }
+
for_each_rw_member(c, ca)
bch2_dev_allocator_add(c, ca);
bch2_recalc_capacity(c);
--
GitLab
From 060ff30a8596b649a80c19935758000dde7855fe Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 29 Mar 2024 20:43:39 -0400
Subject: [PATCH 1902/2686] bcachefs:
bch2_run_explicit_recovery_pass_persistent()
Flag that we need to run a recovery pass and run it - persistenly, so if
we crash it'll still get run.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/recovery_passes.c | 18 ++++++++++++++++++
fs/bcachefs/recovery_passes.h | 1 +
2 files changed, 19 insertions(+)
diff --git a/fs/bcachefs/recovery_passes.c b/fs/bcachefs/recovery_passes.c
index bab586dc395a6..fb22cce10f668 100644
--- a/fs/bcachefs/recovery_passes.c
+++ b/fs/bcachefs/recovery_passes.c
@@ -16,6 +16,7 @@
#include "snapshot.h"
#include "subvolume.h"
#include "super.h"
+#include "super-io.h"
const char * const bch2_recovery_passes[] = {
#define x(_fn, ...) #_fn,
@@ -112,6 +113,23 @@ int bch2_run_explicit_recovery_pass(struct bch_fs *c,
}
}
+int bch2_run_explicit_recovery_pass_persistent(struct bch_fs *c,
+ enum bch_recovery_pass pass)
+{
+ __le64 s = cpu_to_le64(bch2_recovery_passes_to_stable(BIT_ULL(pass)));
+
+ mutex_lock(&c->sb_lock);
+ struct bch_sb_field_ext *ext = bch2_sb_field_get(c->disk_sb.sb, ext);
+
+ if (!(ext->recovery_passes_required[0] & s)) {
+ ext->recovery_passes_required[0] |= s;
+ bch2_write_super(c);
+ }
+ mutex_unlock(&c->sb_lock);
+
+ return bch2_run_explicit_recovery_pass(c, pass);
+}
+
u64 bch2_fsck_recovery_passes(void)
{
u64 ret = 0;
diff --git a/fs/bcachefs/recovery_passes.h b/fs/bcachefs/recovery_passes.h
index abefa67749ebb..99b464e127b80 100644
--- a/fs/bcachefs/recovery_passes.h
+++ b/fs/bcachefs/recovery_passes.h
@@ -9,6 +9,7 @@ u64 bch2_recovery_passes_from_stable(u64 v);
u64 bch2_fsck_recovery_passes(void);
int bch2_run_explicit_recovery_pass(struct bch_fs *, enum bch_recovery_pass);
+int bch2_run_explicit_recovery_pass_persistent(struct bch_fs *, enum bch_recovery_pass);
int bch2_run_online_recovery_passes(struct bch_fs *);
int bch2_run_recovery_passes(struct bch_fs *);
--
GitLab
From 13c1e583f9179ad7953dc71ebb2f12e613b9d052 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 28 Mar 2024 21:34:14 -0400
Subject: [PATCH 1903/2686] bcachefs: Improve -o norecovery;
opts.recovery_pass_limit
This adds opts.recovery_pass_limit, and redoes -o norecovery to make use
of it; this fixes some issues with -o norecovery so it can be safely
used for data recovery.
Norecovery means "don't do journal replay"; it's an important data
recovery tool when we're getting stuck in journal replay.
When using it this way we need to make sure we don't free journal keys
after startup, so we continue to overlay them: thus it needs to imply
retain_recovery_info, as well as nochanges.
recovery_pass_limit is an explicit option for telling recovery to exit
after a specific recovery pass; this is a much cleaner way of
implementing -o norecovery, as well as being a useful debug feature in
its own right.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/opts.c | 4 ++++
fs/bcachefs/opts.h | 7 ++++++-
fs/bcachefs/recovery.c | 10 ++++------
fs/bcachefs/recovery_passes.c | 12 ++++++++----
fs/bcachefs/snapshot.c | 2 +-
fs/bcachefs/super.c | 5 +++--
6 files changed, 26 insertions(+), 14 deletions(-)
diff --git a/fs/bcachefs/opts.c b/fs/bcachefs/opts.c
index 08ea0cfc4aef0..e1800c4119b5f 100644
--- a/fs/bcachefs/opts.c
+++ b/fs/bcachefs/opts.c
@@ -7,6 +7,7 @@
#include "disk_groups.h"
#include "error.h"
#include "opts.h"
+#include "recovery_passes.h"
#include "super-io.h"
#include "util.h"
@@ -205,6 +206,9 @@ const struct bch_option bch2_opt_table[] = {
#define OPT_STR(_choices) .type = BCH_OPT_STR, \
.min = 0, .max = ARRAY_SIZE(_choices), \
.choices = _choices
+#define OPT_STR_NOLIMIT(_choices) .type = BCH_OPT_STR, \
+ .min = 0, .max = U64_MAX, \
+ .choices = _choices
#define OPT_FN(_fn) .type = BCH_OPT_FN, .fn = _fn
#define x(_name, _bits, _flags, _type, _sb_opt, _default, _hint, _help) \
diff --git a/fs/bcachefs/opts.h b/fs/bcachefs/opts.h
index 136083c11f3a3..084247c13bd8f 100644
--- a/fs/bcachefs/opts.h
+++ b/fs/bcachefs/opts.h
@@ -362,7 +362,12 @@ enum fsck_err_opts {
OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
BCH2_NO_SB_OPT, false, \
- NULL, "Don't replay the journal") \
+ NULL, "Exit recovery immediately prior to journal replay")\
+ x(recovery_pass_last, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_STR_NOLIMIT(bch2_recovery_passes), \
+ BCH2_NO_SB_OPT, 0, \
+ NULL, "Exit recovery after specified pass") \
x(keep_journal, u8, \
0, \
OPT_BOOL(), \
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index e3b06430d6067..e8b4340092936 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -269,7 +269,8 @@ int bch2_journal_replay(struct bch_fs *c)
bch2_trans_put(trans);
trans = NULL;
- if (!c->opts.keep_journal)
+ if (!c->opts.keep_journal &&
+ c->recovery_pass_done >= BCH_RECOVERY_PASS_journal_replay)
bch2_journal_keys_put_initial(c);
replay_now_at(j, j->replay_journal_seq_end);
@@ -584,11 +585,8 @@ int bch2_fs_recovery(struct bch_fs *c)
goto err;
}
- if (c->opts.fsck && c->opts.norecovery) {
- bch_err(c, "cannot select both norecovery and fsck");
- ret = -EINVAL;
- goto err;
- }
+ if (c->opts.norecovery)
+ c->opts.recovery_pass_last = BCH_RECOVERY_PASS_journal_replay - 1;
if (!c->opts.nochanges) {
mutex_lock(&c->sb_lock);
diff --git a/fs/bcachefs/recovery_passes.c b/fs/bcachefs/recovery_passes.c
index fb22cce10f668..0089d9456b100 100644
--- a/fs/bcachefs/recovery_passes.c
+++ b/fs/bcachefs/recovery_passes.c
@@ -27,7 +27,7 @@ const char * const bch2_recovery_passes[] = {
static int bch2_check_allocations(struct bch_fs *c)
{
- return bch2_gc(c, true, c->opts.norecovery);
+ return bch2_gc(c, true, false);
}
static int bch2_set_may_go_rw(struct bch_fs *c)
@@ -144,8 +144,6 @@ static bool should_run_recovery_pass(struct bch_fs *c, enum bch_recovery_pass pa
{
struct recovery_pass_fn *p = recovery_pass_fns + pass;
- if (c->opts.norecovery && pass > BCH_RECOVERY_PASS_snapshots_read)
- return false;
if (c->recovery_passes_explicit & BIT_ULL(pass))
return true;
if ((p->when & PASS_FSCK) && c->opts.fsck)
@@ -201,6 +199,10 @@ int bch2_run_recovery_passes(struct bch_fs *c)
int ret = 0;
while (c->curr_recovery_pass < ARRAY_SIZE(recovery_pass_fns)) {
+ if (c->opts.recovery_pass_last &&
+ c->curr_recovery_pass > c->opts.recovery_pass_last)
+ break;
+
if (should_run_recovery_pass(c, c->curr_recovery_pass)) {
unsigned pass = c->curr_recovery_pass;
@@ -213,8 +215,10 @@ int bch2_run_recovery_passes(struct bch_fs *c)
c->recovery_passes_complete |= BIT_ULL(c->curr_recovery_pass);
}
- c->curr_recovery_pass++;
+
c->recovery_pass_done = max(c->recovery_pass_done, c->curr_recovery_pass);
+
+ c->curr_recovery_pass++;
}
return ret;
diff --git a/fs/bcachefs/snapshot.c b/fs/bcachefs/snapshot.c
index 4e074136c4907..4577ee7939a2a 100644
--- a/fs/bcachefs/snapshot.c
+++ b/fs/bcachefs/snapshot.c
@@ -131,7 +131,7 @@ bool __bch2_snapshot_is_ancestor(struct bch_fs *c, u32 id, u32 ancestor)
rcu_read_lock();
struct snapshot_table *t = rcu_dereference(c->snapshots);
- if (unlikely(c->recovery_pass_done <= BCH_RECOVERY_PASS_check_snapshots)) {
+ if (unlikely(c->recovery_pass_done < BCH_RECOVERY_PASS_check_snapshots)) {
ret = __bch2_snapshot_is_ancestor_early(t, id, ancestor);
goto out;
}
diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c
index 89ee5d3ec1196..bc026a77eb99d 100644
--- a/fs/bcachefs/super.c
+++ b/fs/bcachefs/super.c
@@ -365,7 +365,7 @@ void bch2_fs_read_only(struct bch_fs *c)
!test_bit(BCH_FS_emergency_ro, &c->flags) &&
test_bit(BCH_FS_started, &c->flags) &&
test_bit(BCH_FS_clean_shutdown, &c->flags) &&
- !c->opts.norecovery) {
+ c->recovery_pass_done >= BCH_RECOVERY_PASS_journal_replay) {
BUG_ON(c->journal.last_empty_seq != journal_cur_seq(&c->journal));
BUG_ON(atomic_read(&c->btree_cache.dirty));
BUG_ON(atomic_long_read(&c->btree_key_cache.nr_dirty));
@@ -510,7 +510,8 @@ static int __bch2_fs_read_write(struct bch_fs *c, bool early)
int bch2_fs_read_write(struct bch_fs *c)
{
- if (c->opts.norecovery)
+ if (c->opts.recovery_pass_last &&
+ c->opts.recovery_pass_last < BCH_RECOVERY_PASS_journal_replay)
return -BCH_ERR_erofs_norecovery;
if (c->opts.nochanges)
--
GitLab
From cecfed9b446da5fba9d73e6448c9f0d1ff5d95ff Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sun, 31 Mar 2024 22:34:45 -0400
Subject: [PATCH 1904/2686] bcachefs: Logged op errors should be ignored
If something is wrong with a logged op, we just want to delete it -
there's nothing to repair.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/logged_ops.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/fs/bcachefs/logged_ops.c b/fs/bcachefs/logged_ops.c
index 9fac838d123e8..b82f8209041ff 100644
--- a/fs/bcachefs/logged_ops.c
+++ b/fs/bcachefs/logged_ops.c
@@ -37,7 +37,6 @@ static int resume_logged_op(struct btree_trans *trans, struct btree_iter *iter,
const struct bch_logged_op_fn *fn = logged_op_fn(k.k->type);
struct bkey_buf sk;
u32 restart_count = trans->restart_count;
- int ret;
if (!fn)
return 0;
@@ -45,11 +44,11 @@ static int resume_logged_op(struct btree_trans *trans, struct btree_iter *iter,
bch2_bkey_buf_init(&sk);
bch2_bkey_buf_reassemble(&sk, c, k);
- ret = drop_locks_do(trans, (bch2_fs_lazy_rw(c), 0)) ?:
- fn->resume(trans, sk.k) ?: trans_was_restarted(trans, restart_count);
+ fn->resume(trans, sk.k);
bch2_bkey_buf_exit(&sk, c);
- return ret;
+
+ return trans_was_restarted(trans, restart_count);
}
int bch2_resume_logged_ops(struct bch_fs *c)
--
GitLab
From 8ce1db8091b23f5d2a0dd1dabe8007954114cb68 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Mon, 1 Apr 2024 00:00:32 -0400
Subject: [PATCH 1905/2686] bcachefs: Fix remove_dirent()
We were missing an iter_traverse().
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/fsck.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c
index aca6fae409cdf..0a47b0a473d8d 100644
--- a/fs/bcachefs/fsck.c
+++ b/fs/bcachefs/fsck.c
@@ -158,9 +158,10 @@ static int __remove_dirent(struct btree_trans *trans, struct bpos pos)
bch2_trans_iter_init(trans, &iter, BTREE_ID_dirents, pos, BTREE_ITER_INTENT);
- ret = bch2_hash_delete_at(trans, bch2_dirent_hash_desc,
- &dir_hash_info, &iter,
- BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE);
+ ret = bch2_btree_iter_traverse(&iter) ?:
+ bch2_hash_delete_at(trans, bch2_dirent_hash_desc,
+ &dir_hash_info, &iter,
+ BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE);
bch2_trans_iter_exit(trans, &iter);
err:
bch_err_fn(c, ret);
--
GitLab
From eab3a3ce2dea1a4013a3a553722b85f55a76ac2d Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 30 Mar 2024 01:00:50 -0400
Subject: [PATCH 1906/2686] bcachefs: Fix overlapping extent repair
overlapping extent repair was colliding with extent past end of inode
checks - don't update "extent ends at" until we know we have an extent.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/fsck.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c
index 0a47b0a473d8d..cbb8b43e419fe 100644
--- a/fs/bcachefs/fsck.c
+++ b/fs/bcachefs/fsck.c
@@ -1372,10 +1372,6 @@ static int check_overlapping_extents(struct btree_trans *trans,
goto err;
}
- ret = extent_ends_at(c, extent_ends, seen, k);
- if (ret)
- goto err;
-
extent_ends->last_pos = k.k->p;
err:
return ret;
@@ -1505,6 +1501,12 @@ static int check_extent(struct btree_trans *trans, struct btree_iter *iter,
i->seen_this_pos = true;
}
+
+ if (k.k->type != KEY_TYPE_whiteout) {
+ ret = extent_ends_at(c, extent_ends, s, k);
+ if (ret)
+ goto err;
+ }
out:
err:
fsck_err:
--
GitLab
From b3c7fd35c03c17a950737fb56a06b730a7962d28 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 30 Mar 2024 15:59:57 -0400
Subject: [PATCH 1907/2686] bcachefs: On emergency shutdown, print out current
journal sequence number
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/error.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/bcachefs/error.c b/fs/bcachefs/error.c
index f942a39474962..82a6656c941c5 100644
--- a/fs/bcachefs/error.c
+++ b/fs/bcachefs/error.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include "bcachefs.h"
#include "error.h"
+#include "journal.h"
#include "recovery_passes.h"
#include "super.h"
#include "thread_with_file.h"
@@ -16,7 +17,8 @@ bool bch2_inconsistent_error(struct bch_fs *c)
return false;
case BCH_ON_ERROR_ro:
if (bch2_fs_emergency_read_only(c))
- bch_err(c, "inconsistency detected - emergency read only");
+ bch_err(c, "inconsistency detected - emergency read only at journal seq %llu",
+ journal_cur_seq(&c->journal));
return true;
case BCH_ON_ERROR_panic:
panic(bch2_fmt(c, "panic after error"));
--
GitLab
From e23d7e82b707d1d0a627e334fb46370e4f772c11 Mon Sep 17 00:00:00 2001
From: Andrey Albershteyn <aalbersh@redhat.com>
Date: Thu, 14 Mar 2024 18:07:02 +0100
Subject: [PATCH 1908/2686] xfs: allow cross-linking special files without
project quota
There's an issue that if special files is created before quota
project is enabled, then it's not possible to link this file. This
works fine for normal files. This happens because xfs_quota skips
special files (no ioctls to set necessary flags). The check for
having the same project ID for source and destination then fails as
source file doesn't have any ID.
mkfs.xfs -f /dev/sda
mount -o prjquota /dev/sda /mnt/test
mkdir /mnt/test/foo
mkfifo /mnt/test/foo/fifo1
xfs_quota -xc "project -sp /mnt/test/foo 9" /mnt/test
> Setting up project 9 (path /mnt/test/foo)...
> xfs_quota: skipping special file /mnt/test/foo/fifo1
> Processed 1 (/etc/projects and cmdline) paths for project 9 with recursion depth infinite (-1).
ln /mnt/test/foo/fifo1 /mnt/test/foo/fifo1_link
> ln: failed to create hard link '/mnt/test/testdir/fifo1_link' => '/mnt/test/testdir/fifo1': Invalid cross-device link
mkfifo /mnt/test/foo/fifo2
ln /mnt/test/foo/fifo2 /mnt/test/foo/fifo2_link
Fix this by allowing linking of special files to the project quota
if special files doesn't have any ID set (ID = 0).
Signed-off-by: Andrey Albershteyn <aalbersh@redhat.com>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
---
fs/xfs/xfs_inode.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index ea48774f6b76d..d55b42b2480d6 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1301,8 +1301,19 @@ xfs_link(
*/
if (unlikely((tdp->i_diflags & XFS_DIFLAG_PROJINHERIT) &&
tdp->i_projid != sip->i_projid)) {
- error = -EXDEV;
- goto error_return;
+ /*
+ * Project quota setup skips special files which can
+ * leave inodes in a PROJINHERIT directory without a
+ * project ID set. We need to allow links to be made
+ * to these "project-less" inodes because userspace
+ * expects them to succeed after project ID setup,
+ * but everything else should be rejected.
+ */
+ if (!special_file(VFS_I(sip)->i_mode) ||
+ sip->i_projid != 0) {
+ error = -EXDEV;
+ goto error_return;
+ }
}
if (!resblks) {
--
GitLab
From f62d4c3eb687d87b616b4279acec7862553bda77 Mon Sep 17 00:00:00 2001
From: Will Deacon <will@kernel.org>
Date: Wed, 27 Mar 2024 12:48:50 +0000
Subject: [PATCH 1909/2686] KVM: arm64: Don't defer TLB invalidation when
zapping table entries
Commit 7657ea920c54 ("KVM: arm64: Use TLBI range-based instructions for
unmap") introduced deferred TLB invalidation for the stage-2 page-table
so that range-based invalidation can be used for the accumulated
addresses. This works fine if the structure of the page-tables remains
unchanged, but if entire tables are zapped and subsequently freed then
we transiently leave the hardware page-table walker with a reference
to freed memory thanks to the translation walk caches. For example,
stage2_unmap_walker() will free page-table pages:
if (childp)
mm_ops->put_page(childp);
and issue the TLB invalidation later in kvm_pgtable_stage2_unmap():
if (stage2_unmap_defer_tlb_flush(pgt))
/* Perform the deferred TLB invalidations */
kvm_tlb_flush_vmid_range(pgt->mmu, addr, size);
For now, take the conservative approach and invalidate the TLB eagerly
when we clear a table entry. Note, however, that the existing level
hint passed to __kvm_tlb_flush_vmid_ipa() is incorrect and will be
fixed in a subsequent patch.
Cc: Raghavendra Rao Ananta <rananta@google.com>
Cc: Shaoqin Huang <shahuang@redhat.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240327124853.11206-2-will@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
arch/arm64/kvm/hyp/pgtable.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c
index 3fae5830f8d2c..de0b667ba2962 100644
--- a/arch/arm64/kvm/hyp/pgtable.c
+++ b/arch/arm64/kvm/hyp/pgtable.c
@@ -896,9 +896,11 @@ static void stage2_unmap_put_pte(const struct kvm_pgtable_visit_ctx *ctx,
if (kvm_pte_valid(ctx->old)) {
kvm_clear_pte(ctx->ptep);
- if (!stage2_unmap_defer_tlb_flush(pgt))
+ if (!stage2_unmap_defer_tlb_flush(pgt) ||
+ kvm_pte_table(ctx->old, ctx->level)) {
kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, mmu,
ctx->addr, ctx->level);
+ }
}
mm_ops->put_page(ctx->ptep);
--
GitLab
From 36e008323926036650299cfbb2dca704c7aba849 Mon Sep 17 00:00:00 2001
From: Will Deacon <will@kernel.org>
Date: Wed, 27 Mar 2024 12:48:51 +0000
Subject: [PATCH 1910/2686] KVM: arm64: Don't pass a TLBI level hint when
zapping table entries
The TLBI level hints are for leaf entries only, so take care not to pass
them incorrectly after clearing a table entry.
Cc: Gavin Shan <gshan@redhat.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Quentin Perret <qperret@google.com>
Fixes: 82bb02445de5 ("KVM: arm64: Implement kvm_pgtable_hyp_unmap() at EL2")
Fixes: 6d9d2115c480 ("KVM: arm64: Add support for stage-2 map()/unmap() in generic page-table")
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240327124853.11206-3-will@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
arch/arm64/kvm/hyp/pgtable.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c
index de0b667ba2962..a40dafc43bb64 100644
--- a/arch/arm64/kvm/hyp/pgtable.c
+++ b/arch/arm64/kvm/hyp/pgtable.c
@@ -528,7 +528,7 @@ static int hyp_unmap_walker(const struct kvm_pgtable_visit_ctx *ctx,
kvm_clear_pte(ctx->ptep);
dsb(ishst);
- __tlbi_level(vae2is, __TLBI_VADDR(ctx->addr, 0), ctx->level);
+ __tlbi_level(vae2is, __TLBI_VADDR(ctx->addr, 0), TLBI_TTL_UNKNOWN);
} else {
if (ctx->end - ctx->addr < granule)
return -EINVAL;
@@ -896,10 +896,12 @@ static void stage2_unmap_put_pte(const struct kvm_pgtable_visit_ctx *ctx,
if (kvm_pte_valid(ctx->old)) {
kvm_clear_pte(ctx->ptep);
- if (!stage2_unmap_defer_tlb_flush(pgt) ||
- kvm_pte_table(ctx->old, ctx->level)) {
- kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, mmu,
- ctx->addr, ctx->level);
+ if (kvm_pte_table(ctx->old, ctx->level)) {
+ kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, mmu, ctx->addr,
+ TLBI_TTL_UNKNOWN);
+ } else if (!stage2_unmap_defer_tlb_flush(pgt)) {
+ kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, mmu, ctx->addr,
+ ctx->level);
}
}
--
GitLab
From 0f0ff097bf77663b8d2692e33d56119947611bb0 Mon Sep 17 00:00:00 2001
From: Will Deacon <will@kernel.org>
Date: Wed, 27 Mar 2024 12:48:52 +0000
Subject: [PATCH 1911/2686] KVM: arm64: Use TLBI_TTL_UNKNOWN in
__kvm_tlb_flush_vmid_range()
Commit c910f2b65518 ("arm64/mm: Update tlb invalidation routines for
FEAT_LPA2") updated the __tlbi_level() macro to take the target level
as an argument, with TLBI_TTL_UNKNOWN (rather than 0) indicating that
the caller cannot provide level information. Unfortunately, the two
implementations of __kvm_tlb_flush_vmid_range() were not updated and so
now ask for an level 0 invalidation if FEAT_LPA2 is implemented.
Fix the problem by passing TLBI_TTL_UNKNOWN instead of 0 as the level
argument to __flush_s2_tlb_range_op() in __kvm_tlb_flush_vmid_range().
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Marc Zyngier <maz@kernel.org>
Reviewed-by: Ryan Roberts <ryan.roberts@arm.com>
Fixes: c910f2b65518 ("arm64/mm: Update tlb invalidation routines for FEAT_LPA2")
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240327124853.11206-4-will@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
arch/arm64/kvm/hyp/nvhe/tlb.c | 3 ++-
arch/arm64/kvm/hyp/vhe/tlb.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/kvm/hyp/nvhe/tlb.c b/arch/arm64/kvm/hyp/nvhe/tlb.c
index a60fb13e21924..2fc68da4036d9 100644
--- a/arch/arm64/kvm/hyp/nvhe/tlb.c
+++ b/arch/arm64/kvm/hyp/nvhe/tlb.c
@@ -154,7 +154,8 @@ void __kvm_tlb_flush_vmid_range(struct kvm_s2_mmu *mmu,
/* Switch to requested VMID */
__tlb_switch_to_guest(mmu, &cxt, false);
- __flush_s2_tlb_range_op(ipas2e1is, start, pages, stride, 0);
+ __flush_s2_tlb_range_op(ipas2e1is, start, pages, stride,
+ TLBI_TTL_UNKNOWN);
dsb(ish);
__tlbi(vmalle1is);
diff --git a/arch/arm64/kvm/hyp/vhe/tlb.c b/arch/arm64/kvm/hyp/vhe/tlb.c
index b32e2940df7dc..1a60b95381e8e 100644
--- a/arch/arm64/kvm/hyp/vhe/tlb.c
+++ b/arch/arm64/kvm/hyp/vhe/tlb.c
@@ -171,7 +171,8 @@ void __kvm_tlb_flush_vmid_range(struct kvm_s2_mmu *mmu,
/* Switch to requested VMID */
__tlb_switch_to_guest(mmu, &cxt);
- __flush_s2_tlb_range_op(ipas2e1is, start, pages, stride, 0);
+ __flush_s2_tlb_range_op(ipas2e1is, start, pages, stride,
+ TLBI_TTL_UNKNOWN);
dsb(ish);
__tlbi(vmalle1is);
--
GitLab
From 4c36a156738887c1edd78589fe192d757989bcde Mon Sep 17 00:00:00 2001
From: Will Deacon <will@kernel.org>
Date: Wed, 27 Mar 2024 12:48:53 +0000
Subject: [PATCH 1912/2686] KVM: arm64: Ensure target address is
granule-aligned for range TLBI
When zapping a table entry in stage2_try_break_pte(), we issue range
TLB invalidation for the region that was mapped by the table. However,
we neglect to align the base address down to the granule size and so
if we ended up reaching the table entry via a misaligned address then
we will accidentally skip invalidation for some prefix of the affected
address range.
Align 'ctx->addr' down to the granule size when performing TLB
invalidation for an unmapped table in stage2_try_break_pte().
Cc: Raghavendra Rao Ananta <rananta@google.com>
Cc: Gavin Shan <gshan@redhat.com>
Cc: Shaoqin Huang <shahuang@redhat.com>
Cc: Quentin Perret <qperret@google.com>
Fixes: defc8cc7abf0 ("KVM: arm64: Invalidate the table entries upon a range")
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240327124853.11206-5-will@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
arch/arm64/kvm/hyp/pgtable.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c
index a40dafc43bb64..5a59ef88b646f 100644
--- a/arch/arm64/kvm/hyp/pgtable.c
+++ b/arch/arm64/kvm/hyp/pgtable.c
@@ -843,12 +843,15 @@ static bool stage2_try_break_pte(const struct kvm_pgtable_visit_ctx *ctx,
* Perform the appropriate TLB invalidation based on the
* evicted pte value (if any).
*/
- if (kvm_pte_table(ctx->old, ctx->level))
- kvm_tlb_flush_vmid_range(mmu, ctx->addr,
- kvm_granule_size(ctx->level));
- else if (kvm_pte_valid(ctx->old))
+ if (kvm_pte_table(ctx->old, ctx->level)) {
+ u64 size = kvm_granule_size(ctx->level);
+ u64 addr = ALIGN_DOWN(ctx->addr, size);
+
+ kvm_tlb_flush_vmid_range(mmu, addr, size);
+ } else if (kvm_pte_valid(ctx->old)) {
kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, mmu,
ctx->addr, ctx->level);
+ }
}
if (stage2_pte_is_counted(ctx->old))
--
GitLab
From b3320142f3db9b3f2a23460abd3e22292e1530a5 Mon Sep 17 00:00:00 2001
From: Marc Zyngier <maz@kernel.org>
Date: Thu, 21 Mar 2024 11:54:14 +0000
Subject: [PATCH 1913/2686] arm64: Fix early handling of FEAT_E2H0 not being
implemented
Commit 3944382fa6f2 introduced checks for the FEAT_E2H0 not being
implemented. However, the check is absolutely wrong and makes a
point it testing a bit that is guaranteed to be zero.
On top of that, the detection happens way too late, after the
init_el2_state has done its job.
This went undetected because the HW this was tested on has E2H being
RAO/WI, and not RES1. However, the bug shows up when run as a nested
guest, where HCR_EL2.E2H is not necessarily set to 1. As a result,
booting the kernel in hVHE mode fails with timer accesses being
cought in a trap loop (which was fun to debug).
Fix the check for ID_AA64MMFR4_EL1.E2H0, and set the HCR_EL2.E2H bit
early so that it can be checked by the rest of the init sequence.
With this, hVHE works again in a NV environment that doesn't have
FEAT_E2H0.
Fixes: 3944382fa6f2 ("arm64: Treat HCR_EL2.E2H as RES1 when ID_AA64MMFR4_EL1.E2H0 is negative")
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20240321115414.3169115-1-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
arch/arm64/kernel/head.S | 29 ++++++++++++++++-------------
1 file changed, 16 insertions(+), 13 deletions(-)
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index ce08b744aaab2..06234c3a15f3d 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -291,6 +291,21 @@ SYM_INNER_LABEL(init_el2, SYM_L_LOCAL)
blr x2
0:
mov_q x0, HCR_HOST_NVHE_FLAGS
+
+ /*
+ * Compliant CPUs advertise their VHE-onlyness with
+ * ID_AA64MMFR4_EL1.E2H0 < 0. HCR_EL2.E2H can be
+ * RES1 in that case. Publish the E2H bit early so that
+ * it can be picked up by the init_el2_state macro.
+ *
+ * Fruity CPUs seem to have HCR_EL2.E2H set to RAO/WI, but
+ * don't advertise it (they predate this relaxation).
+ */
+ mrs_s x1, SYS_ID_AA64MMFR4_EL1
+ tbz x1, #(ID_AA64MMFR4_EL1_E2H0_SHIFT + ID_AA64MMFR4_EL1_E2H0_WIDTH - 1), 1f
+
+ orr x0, x0, #HCR_E2H
+1:
msr hcr_el2, x0
isb
@@ -303,22 +318,10 @@ SYM_INNER_LABEL(init_el2, SYM_L_LOCAL)
mov_q x1, INIT_SCTLR_EL1_MMU_OFF
- /*
- * Compliant CPUs advertise their VHE-onlyness with
- * ID_AA64MMFR4_EL1.E2H0 < 0. HCR_EL2.E2H can be
- * RES1 in that case.
- *
- * Fruity CPUs seem to have HCR_EL2.E2H set to RES1, but
- * don't advertise it (they predate this relaxation).
- */
- mrs_s x0, SYS_ID_AA64MMFR4_EL1
- ubfx x0, x0, #ID_AA64MMFR4_EL1_E2H0_SHIFT, #ID_AA64MMFR4_EL1_E2H0_WIDTH
- tbnz x0, #(ID_AA64MMFR4_EL1_E2H0_SHIFT + ID_AA64MMFR4_EL1_E2H0_WIDTH - 1), 1f
-
mrs x0, hcr_el2
and x0, x0, #HCR_E2H
cbz x0, 2f
-1:
+
/* Set a sane SCTLR_EL1, the VHE way */
pre_disable_mmu_workaround
msr_s SYS_SCTLR_EL12, x1
--
GitLab
From d96c66ab9fb3ad8b243669cf6b41e68d0f7f9ecd Mon Sep 17 00:00:00 2001
From: Marc Zyngier <maz@kernel.org>
Date: Thu, 21 Mar 2024 17:37:06 +0000
Subject: [PATCH 1914/2686] KVM: arm64: Rationalise KVM banner output
We are not very consistent when it comes to displaying which mode
we're in (VHE, {n,h}VHE, protected or not). For example, booting
in protected mode with hVHE results in:
[ 0.969545] kvm [1]: Protected nVHE mode initialized successfully
which is mildly amusing considering that the machine is VHE only.
We already cleaned this up a bit with commit 1f3ca7023fe6 ("KVM:
arm64: print Hyp mode"), but that's still unsatisfactory.
Unify the three strings into one and use a mess of conditional
statements to sort it out (yes, it's a slow day).
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240321173706.3280796-1-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
arch/arm64/kvm/arm.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 3dee5490eea94..c4a0a35e02c72 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -2597,14 +2597,11 @@ static __init int kvm_arm_init(void)
if (err)
goto out_hyp;
- if (is_protected_kvm_enabled()) {
- kvm_info("Protected nVHE mode initialized successfully\n");
- } else if (in_hyp_mode) {
- kvm_info("VHE mode initialized successfully\n");
- } else {
- char mode = cpus_have_final_cap(ARM64_KVM_HVHE) ? 'h' : 'n';
- kvm_info("Hyp mode (%cVHE) initialized successfully\n", mode);
- }
+ kvm_info("%s%sVHE mode initialized successfully\n",
+ in_hyp_mode ? "" : (is_protected_kvm_enabled() ?
+ "Protected " : "Hyp "),
+ in_hyp_mode ? "" : (cpus_have_final_cap(ARM64_KVM_HVHE) ?
+ "h" : "n"));
/*
* FIXME: Do something reasonable if kvm_init() fails after pKVM
--
GitLab
From aa7cbefe65e455178c33eca308349e687d262ea7 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sun, 31 Mar 2024 10:26:47 -0700
Subject: [PATCH 1915/2686] time/timecounter: Fix inline documentation
Fix kernel-doc warnings, text punctuation, and a kernel-doc marker
(change '%' to '&' to indicate a struct):
timecounter.h:72: warning: No description found for return value of 'cyclecounter_cyc2ns'
timecounter.h:85: warning: Function parameter or member 'tc' not described in 'timecounter_adjtime'
timecounter.h:111: warning: No description found for return value of 'timecounter_read'
timecounter.h:128: warning: No description found for return value of 'timecounter_cyc2time'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240331172652.14086-2-rdunlap@infradead.org
---
include/linux/timecounter.h | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/include/linux/timecounter.h b/include/linux/timecounter.h
index c6540ceea1430..0982d1d52b24d 100644
--- a/include/linux/timecounter.h
+++ b/include/linux/timecounter.h
@@ -22,7 +22,7 @@
*
* @read: returns the current cycle value
* @mask: bitmask for two's complement
- * subtraction of non 64 bit counters,
+ * subtraction of non-64-bit counters,
* see CYCLECOUNTER_MASK() helper macro
* @mult: cycle to nanosecond multiplier
* @shift: cycle to nanosecond divisor (power of two)
@@ -35,7 +35,7 @@ struct cyclecounter {
};
/**
- * struct timecounter - layer above a %struct cyclecounter which counts nanoseconds
+ * struct timecounter - layer above a &struct cyclecounter which counts nanoseconds
* Contains the state needed by timecounter_read() to detect
* cycle counter wrap around. Initialize with
* timecounter_init(). Also used to convert cycle counts into the
@@ -66,6 +66,8 @@ struct timecounter {
* @cycles: Cycles
* @mask: bit mask for maintaining the 'frac' field
* @frac: pointer to storage for the fractional nanoseconds.
+ *
+ * Returns: cycle counter cycles converted to nanoseconds
*/
static inline u64 cyclecounter_cyc2ns(const struct cyclecounter *cc,
u64 cycles, u64 mask, u64 *frac)
@@ -79,6 +81,7 @@ static inline u64 cyclecounter_cyc2ns(const struct cyclecounter *cc,
/**
* timecounter_adjtime - Shifts the time of the clock.
+ * @tc: The &struct timecounter to adjust
* @delta: Desired change in nanoseconds.
*/
static inline void timecounter_adjtime(struct timecounter *tc, s64 delta)
@@ -107,6 +110,8 @@ extern void timecounter_init(struct timecounter *tc,
*
* In other words, keeps track of time since the same epoch as
* the function which generated the initial time stamp.
+ *
+ * Returns: nanoseconds since the initial time stamp
*/
extern u64 timecounter_read(struct timecounter *tc);
@@ -123,6 +128,8 @@ extern u64 timecounter_read(struct timecounter *tc);
*
* This allows conversion of cycle counter values which were generated
* in the past.
+ *
+ * Returns: cycle counter converted to nanoseconds since the initial time stamp
*/
extern u64 timecounter_cyc2time(const struct timecounter *tc,
u64 cycle_tstamp);
--
GitLab
From 76f788ee4a7d9f826738a034f9d2ee0bc4cd291b Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sun, 31 Mar 2024 10:26:48 -0700
Subject: [PATCH 1916/2686] time/timekeeping: Fix kernel-doc warnings and typos
Fix punctuation, spellos, and kernel-doc warnings:
timekeeping.h:79: warning: No description found for return value of 'ktime_get_real'
timekeeping.h:95: warning: No description found for return value of 'ktime_get_boottime'
timekeeping.h:108: warning: No description found for return value of 'ktime_get_clocktai'
timekeeping.h:149: warning: Function parameter or struct member 'mono' not described in 'ktime_mono_to_real'
timekeeping.h:149: warning: No description found for return value of 'ktime_mono_to_real'
timekeeping.h:255: warning: Function parameter or struct member 'cs_id' not described in 'system_time_snapshot'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240331172652.14086-3-rdunlap@infradead.org
---
include/linux/timekeeping.h | 49 +++++++++++++++++++++++++++++++------
1 file changed, 42 insertions(+), 7 deletions(-)
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 7e50cbd97f86e..0ea7823b7f31f 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -22,14 +22,14 @@ extern int do_sys_settimeofday64(const struct timespec64 *tv,
const struct timezone *tz);
/*
- * ktime_get() family: read the current time in a multitude of ways,
+ * ktime_get() family - read the current time in a multitude of ways.
*
* The default time reference is CLOCK_MONOTONIC, starting at
* boot time but not counting the time spent in suspend.
* For other references, use the functions with "real", "clocktai",
* "boottime" and "raw" suffixes.
*
- * To get the time in a different format, use the ones wit
+ * To get the time in a different format, use the ones with
* "ns", "ts64" and "seconds" suffix.
*
* See Documentation/core-api/timekeeping.rst for more details.
@@ -74,6 +74,8 @@ extern u32 ktime_get_resolution_ns(void);
/**
* ktime_get_real - get the real (wall-) time in ktime_t format
+ *
+ * Returns: real (wall) time in ktime_t format
*/
static inline ktime_t ktime_get_real(void)
{
@@ -86,10 +88,12 @@ static inline ktime_t ktime_get_coarse_real(void)
}
/**
- * ktime_get_boottime - Returns monotonic time since boot in ktime_t format
+ * ktime_get_boottime - Get monotonic time since boot in ktime_t format
*
* This is similar to CLOCK_MONTONIC/ktime_get, but also includes the
* time spent in suspend.
+ *
+ * Returns: monotonic time since boot in ktime_t format
*/
static inline ktime_t ktime_get_boottime(void)
{
@@ -102,7 +106,9 @@ static inline ktime_t ktime_get_coarse_boottime(void)
}
/**
- * ktime_get_clocktai - Returns the TAI time of day in ktime_t format
+ * ktime_get_clocktai - Get the TAI time of day in ktime_t format
+ *
+ * Returns: the TAI time of day in ktime_t format
*/
static inline ktime_t ktime_get_clocktai(void)
{
@@ -144,32 +150,60 @@ static inline u64 ktime_get_coarse_clocktai_ns(void)
/**
* ktime_mono_to_real - Convert monotonic time to clock realtime
+ * @mono: monotonic time to convert
+ *
+ * Returns: time converted to realtime clock
*/
static inline ktime_t ktime_mono_to_real(ktime_t mono)
{
return ktime_mono_to_any(mono, TK_OFFS_REAL);
}
+/**
+ * ktime_get_ns - Get the current time in nanoseconds
+ *
+ * Returns: current time converted to nanoseconds
+ */
static inline u64 ktime_get_ns(void)
{
return ktime_to_ns(ktime_get());
}
+/**
+ * ktime_get_real_ns - Get the current real/wall time in nanoseconds
+ *
+ * Returns: current real time converted to nanoseconds
+ */
static inline u64 ktime_get_real_ns(void)
{
return ktime_to_ns(ktime_get_real());
}
+/**
+ * ktime_get_boottime_ns - Get the monotonic time since boot in nanoseconds
+ *
+ * Returns: current boottime converted to nanoseconds
+ */
static inline u64 ktime_get_boottime_ns(void)
{
return ktime_to_ns(ktime_get_boottime());
}
+/**
+ * ktime_get_clocktai_ns - Get the current TAI time of day in nanoseconds
+ *
+ * Returns: current TAI time converted to nanoseconds
+ */
static inline u64 ktime_get_clocktai_ns(void)
{
return ktime_to_ns(ktime_get_clocktai());
}
+/**
+ * ktime_get_raw_ns - Get the raw monotonic time in nanoseconds
+ *
+ * Returns: current raw monotonic time converted to nanoseconds
+ */
static inline u64 ktime_get_raw_ns(void)
{
return ktime_to_ns(ktime_get_raw());
@@ -224,8 +258,8 @@ extern bool timekeeping_rtc_skipresume(void);
extern void timekeeping_inject_sleeptime64(const struct timespec64 *delta);
-/*
- * struct ktime_timestanps - Simultaneous mono/boot/real timestamps
+/**
+ * struct ktime_timestamps - Simultaneous mono/boot/real timestamps
* @mono: Monotonic timestamp
* @boot: Boottime timestamp
* @real: Realtime timestamp
@@ -242,7 +276,8 @@ struct ktime_timestamps {
* @cycles: Clocksource counter value to produce the system times
* @real: Realtime system time
* @raw: Monotonic raw system time
- * @clock_was_set_seq: The sequence number of clock was set events
+ * @cs_id: Clocksource ID
+ * @clock_was_set_seq: The sequence number of clock-was-set events
* @cs_was_changed_seq: The sequence number of clocksource change events
*/
struct system_time_snapshot {
--
GitLab
From b87752ef5cc15b0bae04583d599e873d92dc0618 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sun, 31 Mar 2024 10:26:49 -0700
Subject: [PATCH 1917/2686] timers: Fix kernel-doc format and add Return values
Fix kernel-doc format and warnings:
timer.h:26: warning: Cannot understand * @TIMER_DEFERRABLE: A deferrable timer will work normally when the on line 26 - I thought it was a doc line
timer.h:146: warning: No description found for return value of 'timer_pending'
timer.h:180: warning: No description found for return value of 'del_timer_sync'
timer.h:193: warning: No description found for return value of 'del_timer'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240331172652.14086-4-rdunlap@infradead.org
---
include/linux/timer.h | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/include/linux/timer.h b/include/linux/timer.h
index 14a633ba61d64..e67ecd1cbc97d 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -22,7 +22,7 @@
#define __TIMER_LOCKDEP_MAP_INITIALIZER(_kn)
#endif
-/**
+/*
* @TIMER_DEFERRABLE: A deferrable timer will work normally when the
* system is busy, but will not cause a CPU to come out of idle just
* to service it; instead, the timer will be serviced when the CPU
@@ -140,7 +140,7 @@ static inline void destroy_timer_on_stack(struct timer_list *timer) { }
* or not. Callers must ensure serialization wrt. other operations done
* to this timer, eg. interrupt contexts, or other CPUs on SMP.
*
- * return value: 1 if the timer is pending, 0 if not.
+ * Returns: 1 if the timer is pending, 0 if not.
*/
static inline int timer_pending(const struct timer_list * timer)
{
@@ -175,6 +175,10 @@ extern int timer_shutdown(struct timer_list *timer);
* See timer_delete_sync() for detailed explanation.
*
* Do not use in new code. Use timer_delete_sync() instead.
+ *
+ * Returns:
+ * * %0 - The timer was not pending
+ * * %1 - The timer was pending and deactivated
*/
static inline int del_timer_sync(struct timer_list *timer)
{
@@ -188,6 +192,10 @@ static inline int del_timer_sync(struct timer_list *timer)
* See timer_delete() for detailed explanation.
*
* Do not use in new code. Use timer_delete() instead.
+ *
+ * Returns:
+ * * %0 - The timer was not pending
+ * * %1 - The timer was pending and deactivated
*/
static inline int del_timer(struct timer_list *timer)
{
--
GitLab
From f29536bf1721802d2ebdc7893ed2991d4da0a4b6 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sun, 31 Mar 2024 10:26:50 -0700
Subject: [PATCH 1918/2686] tick/sched: Fix various kernel-doc warnings
Fix a slew of kernel-doc warnings in tick-sched.c:
tick-sched.c:650: warning: Function parameter or struct member 'now' not described in 'tick_nohz_update_jiffies'
tick-sched.c:741: warning: No description found for return value of 'get_cpu_idle_time_us'
tick-sched.c:767: warning: No description found for return value of 'get_cpu_iowait_time_us'
tick-sched.c:1210: warning: No description found for return value of 'tick_nohz_idle_got_tick'
tick-sched.c:1228: warning: No description found for return value of 'tick_nohz_get_next_hrtimer'
tick-sched.c:1243: warning: No description found for return value of 'tick_nohz_get_sleep_length'
tick-sched.c:1282: warning: Function parameter or struct member 'cpu' not described in 'tick_nohz_get_idle_calls_cpu'
tick-sched.c:1282: warning: No description found for return value of 'tick_nohz_get_idle_calls_cpu'
tick-sched.c:1294: warning: No description found for return value of 'tick_nohz_get_idle_calls'
tick-sched.c:1577: warning: Function parameter or struct member 'hrtimer' not described in 'tick_setup_sched_timer'
tick-sched.c:1577: warning: Excess function parameter 'mode' description in 'tick_setup_sched_timer'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240331172652.14086-5-rdunlap@infradead.org
---
kernel/time/tick-sched.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 269e21590df53..1331216a9cae7 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -697,6 +697,7 @@ bool tick_nohz_tick_stopped_cpu(int cpu)
/**
* tick_nohz_update_jiffies - update jiffies when idle was interrupted
+ * @now: current ktime_t
*
* Called from interrupt entry when the CPU was idle
*
@@ -794,7 +795,7 @@ static u64 get_cpu_sleep_time_us(struct tick_sched *ts, ktime_t *sleeptime,
* This time is measured via accounting rather than sampling,
* and is as accurate as ktime_get() is.
*
- * This function returns -1 if NOHZ is not enabled.
+ * Return: -1 if NOHZ is not enabled, else total idle time of the @cpu
*/
u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time)
{
@@ -820,7 +821,7 @@ EXPORT_SYMBOL_GPL(get_cpu_idle_time_us);
* This time is measured via accounting rather than sampling,
* and is as accurate as ktime_get() is.
*
- * This function returns -1 if NOHZ is not enabled.
+ * Return: -1 if NOHZ is not enabled, else total iowait time of @cpu
*/
u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time)
{
@@ -1287,6 +1288,8 @@ void tick_nohz_irq_exit(void)
/**
* tick_nohz_idle_got_tick - Check whether or not the tick handler has run
+ *
+ * Return: %true if the tick handler has run, otherwise %false
*/
bool tick_nohz_idle_got_tick(void)
{
@@ -1305,6 +1308,8 @@ bool tick_nohz_idle_got_tick(void)
* stopped, it returns the next hrtimer.
*
* Called from power state control code with interrupts disabled
+ *
+ * Return: the next expiration time
*/
ktime_t tick_nohz_get_next_hrtimer(void)
{
@@ -1320,6 +1325,8 @@ ktime_t tick_nohz_get_next_hrtimer(void)
* The return value of this function and/or the value returned by it through the
* @delta_next pointer can be negative which must be taken into account by its
* callers.
+ *
+ * Return: the expected length of the current sleep
*/
ktime_t tick_nohz_get_sleep_length(ktime_t *delta_next)
{
@@ -1357,8 +1364,11 @@ ktime_t tick_nohz_get_sleep_length(ktime_t *delta_next)
/**
* tick_nohz_get_idle_calls_cpu - return the current idle calls counter value
* for a particular CPU.
+ * @cpu: target CPU number
*
* Called from the schedutil frequency scaling governor in scheduler context.
+ *
+ * Return: the current idle calls counter value for @cpu
*/
unsigned long tick_nohz_get_idle_calls_cpu(int cpu)
{
@@ -1371,6 +1381,8 @@ unsigned long tick_nohz_get_idle_calls_cpu(int cpu)
* tick_nohz_get_idle_calls - return the current idle calls counter value
*
* Called from the schedutil frequency scaling governor in scheduler context.
+ *
+ * Return: the current idle calls counter value for the current CPU
*/
unsigned long tick_nohz_get_idle_calls(void)
{
@@ -1559,7 +1571,7 @@ early_param("skew_tick", skew_tick);
/**
* tick_setup_sched_timer - setup the tick emulation timer
- * @mode: tick_nohz_mode to setup for
+ * @hrtimer: whether to use the hrtimer or not
*/
void tick_setup_sched_timer(bool hrtimer)
{
--
GitLab
From ba6ad57b803e33ed509213a5e840427dbef501d6 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sun, 31 Mar 2024 10:26:51 -0700
Subject: [PATCH 1919/2686] tick/sched: Fix struct tick_sched doc warnings
Fix kernel-doc warnings in struct tick_sched:
tick-sched.h:103: warning: Function parameter or struct member 'idle_sleeptime_seq' not described in 'tick_sched'
tick-sched.h:104: warning: Excess struct member 'nohz_mode' description in 'tick_sched'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240331172652.14086-6-rdunlap@infradead.org
---
kernel/time/tick-sched.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/time/tick-sched.h b/kernel/time/tick-sched.h
index e11c4dc65bcb2..b4a7822f495d3 100644
--- a/kernel/time/tick-sched.h
+++ b/kernel/time/tick-sched.h
@@ -46,8 +46,8 @@ struct tick_device {
* @next_tick: Next tick to be fired when in dynticks mode.
* @idle_jiffies: jiffies at the entry to idle for idle time accounting
* @idle_waketime: Time when the idle was interrupted
+ * @idle_sleeptime_seq: sequence counter for data consistency
* @idle_entrytime: Time when the idle call was entered
- * @nohz_mode: Mode - one state of tick_nohz_mode
* @last_jiffies: Base jiffies snapshot when next event was last computed
* @timer_expires_base: Base time clock monotonic for @timer_expires
* @timer_expires: Anticipated timer expiration time (in case sched tick is stopped)
--
GitLab
From 9e643ab59d7ee4332994671720a9528bac62e9b7 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sun, 31 Mar 2024 10:26:52 -0700
Subject: [PATCH 1920/2686] timers: Fix text inconsistencies and spelling
Fix some text for consistency: s/lvl/level/ in a comment and use
correct/full function names in comments.
Correct spelling errors as reported by codespell.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240331172652.14086-7-rdunlap@infradead.org
---
kernel/time/timer.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index dee29f1f5b75f..3baf2fbe6848f 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -64,15 +64,15 @@ EXPORT_SYMBOL(jiffies_64);
/*
* The timer wheel has LVL_DEPTH array levels. Each level provides an array of
- * LVL_SIZE buckets. Each level is driven by its own clock and therefor each
+ * LVL_SIZE buckets. Each level is driven by its own clock and therefore each
* level has a different granularity.
*
- * The level granularity is: LVL_CLK_DIV ^ lvl
+ * The level granularity is: LVL_CLK_DIV ^ level
* The level clock frequency is: HZ / (LVL_CLK_DIV ^ level)
*
* The array level of a newly armed timer depends on the relative expiry
* time. The farther the expiry time is away the higher the array level and
- * therefor the granularity becomes.
+ * therefore the granularity becomes.
*
* Contrary to the original timer wheel implementation, which aims for 'exact'
* expiry of the timers, this implementation removes the need for recascading
@@ -207,7 +207,7 @@ EXPORT_SYMBOL(jiffies_64);
* struct timer_base - Per CPU timer base (number of base depends on config)
* @lock: Lock protecting the timer_base
* @running_timer: When expiring timers, the lock is dropped. To make
- * sure not to race agains deleting/modifying a
+ * sure not to race against deleting/modifying a
* currently running timer, the pointer is set to the
* timer, which expires at the moment. If no timer is
* running, the pointer is NULL.
@@ -737,7 +737,7 @@ static bool timer_is_static_object(void *addr)
}
/*
- * fixup_init is called when:
+ * timer_fixup_init is called when:
* - an active object is initialized
*/
static bool timer_fixup_init(void *addr, enum debug_obj_state state)
@@ -761,7 +761,7 @@ static void stub_timer(struct timer_list *unused)
}
/*
- * fixup_activate is called when:
+ * timer_fixup_activate is called when:
* - an active object is activated
* - an unknown non-static object is activated
*/
@@ -783,7 +783,7 @@ static bool timer_fixup_activate(void *addr, enum debug_obj_state state)
}
/*
- * fixup_free is called when:
+ * timer_fixup_free is called when:
* - an active object is freed
*/
static bool timer_fixup_free(void *addr, enum debug_obj_state state)
@@ -801,7 +801,7 @@ static bool timer_fixup_free(void *addr, enum debug_obj_state state)
}
/*
- * fixup_assert_init is called when:
+ * timer_fixup_assert_init is called when:
* - an untracked/uninit-ed object is found
*/
static bool timer_fixup_assert_init(void *addr, enum debug_obj_state state)
@@ -914,7 +914,7 @@ static void do_init_timer(struct timer_list *timer,
* @key: lockdep class key of the fake lock used for tracking timer
* sync lock dependencies
*
- * init_timer_key() must be done to a timer prior calling *any* of the
+ * init_timer_key() must be done to a timer prior to calling *any* of the
* other timer functions.
*/
void init_timer_key(struct timer_list *timer,
@@ -1417,7 +1417,7 @@ static int __timer_delete(struct timer_list *timer, bool shutdown)
* If @shutdown is set then the lock has to be taken whether the
* timer is pending or not to protect against a concurrent rearm
* which might hit between the lockless pending check and the lock
- * aquisition. By taking the lock it is ensured that such a newly
+ * acquisition. By taking the lock it is ensured that such a newly
* enqueued timer is dequeued and cannot end up with
* timer->function == NULL in the expiry code.
*
@@ -2306,7 +2306,7 @@ static inline u64 __get_next_timer_interrupt(unsigned long basej, u64 basem,
/*
* When timer base is not set idle, undo the effect of
- * tmigr_cpu_deactivate() to prevent inconsitent states - active
+ * tmigr_cpu_deactivate() to prevent inconsistent states - active
* timer base but inactive timer migration hierarchy.
*
* When timer base was already marked idle, nothing will be
--
GitLab
From 481047d7e8391d3842ae59025806531cdad710d9 Mon Sep 17 00:00:00 2001
From: "Yanjun.Zhu" <yanjun.zhu@linux.dev>
Date: Thu, 14 Mar 2024 07:51:40 +0100
Subject: [PATCH 1921/2686] RDMA/rxe: Fix the problem "mutex_destroy missing"
When a mutex lock is not used any more, the function mutex_destroy
should be called to mark the mutex lock uninitialized.
Fixes: 8700e3e7c485 ("Soft RoCE driver")
Signed-off-by: Yanjun.Zhu <yanjun.zhu@linux.dev>
Link: https://lore.kernel.org/r/20240314065140.27468-1-yanjun.zhu@linux.dev
Reviewed-by: Daisuke Matsuda <matsuda-daisuke@fujitsu.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
---
drivers/infiniband/sw/rxe/rxe.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index ae466e72fc43b..255677bc12b2a 100644
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -33,6 +33,8 @@ void rxe_dealloc(struct ib_device *ib_dev)
if (rxe->tfm)
crypto_free_shash(rxe->tfm);
+
+ mutex_destroy(&rxe->usdev_lock);
}
/* initialize rxe device parameters */
--
GitLab
From 755795cd3da053b0565085d9950c44d7b6cba5c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Fri, 29 Mar 2024 22:54:42 +0100
Subject: [PATCH 1922/2686] OSS: dmasound/paula: Mark driver struct with
__refdata to prevent section mismatch
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
As described in the added code comment, a reference to .exit.text is ok
for drivers registered via module_platform_driver_probe(). Make this
explicit to prevent the following section mismatch warning
WARNING: modpost: sound/oss/dmasound/dmasound_paula: section mismatch in reference: amiga_audio_driver+0x8 (section: .data) -> amiga_audio_remove (section: .exit.text)
that triggers on an allmodconfig W=1 build.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Message-ID: <c216a129aa88f3af5c56fe6612a472f7a882f048.1711748999.git.u.kleine-koenig@pengutronix.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/oss/dmasound/dmasound_paula.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/sound/oss/dmasound/dmasound_paula.c b/sound/oss/dmasound/dmasound_paula.c
index 0ba8f0c4cd99a..3a593da09280d 100644
--- a/sound/oss/dmasound/dmasound_paula.c
+++ b/sound/oss/dmasound/dmasound_paula.c
@@ -725,7 +725,13 @@ static void __exit amiga_audio_remove(struct platform_device *pdev)
dmasound_deinit();
}
-static struct platform_driver amiga_audio_driver = {
+/*
+ * amiga_audio_remove() lives in .exit.text. For drivers registered via
+ * module_platform_driver_probe() this is ok because they cannot get unbound at
+ * runtime. So mark the driver struct with __refdata to prevent modpost
+ * triggering a section mismatch warning.
+ */
+static struct platform_driver amiga_audio_driver __refdata = {
.remove_new = __exit_p(amiga_audio_remove),
.driver = {
.name = "amiga-audio",
--
GitLab
From b68e1acb5834ed1a2ad42d9d002815a8bae7c0b6 Mon Sep 17 00:00:00 2001
From: Mark Zhang <markzhang@nvidia.com>
Date: Fri, 22 Mar 2024 13:20:49 +0200
Subject: [PATCH 1923/2686] RDMA/cm: Print the old state when cm_destroy_id
gets timeout
The old state is helpful for debugging, as the current state is always
IB_CM_IDLE when timeout happens.
Fixes: 96d9cbe2f2ff ("RDMA/cm: add timeout to cm_destroy_id wait")
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Link: https://lore.kernel.org/r/20240322112049.2022994-1-markzhang@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
---
drivers/infiniband/core/cm.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index bf0df6ee4f785..07fb8d3c037f0 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -1026,23 +1026,26 @@ static void cm_reset_to_idle(struct cm_id_private *cm_id_priv)
}
}
-static noinline void cm_destroy_id_wait_timeout(struct ib_cm_id *cm_id)
+static noinline void cm_destroy_id_wait_timeout(struct ib_cm_id *cm_id,
+ enum ib_cm_state old_state)
{
struct cm_id_private *cm_id_priv;
cm_id_priv = container_of(cm_id, struct cm_id_private, id);
- pr_err("%s: cm_id=%p timed out. state=%d refcnt=%d\n", __func__,
- cm_id, cm_id->state, refcount_read(&cm_id_priv->refcount));
+ pr_err("%s: cm_id=%p timed out. state %d -> %d, refcnt=%d\n", __func__,
+ cm_id, old_state, cm_id->state, refcount_read(&cm_id_priv->refcount));
}
static void cm_destroy_id(struct ib_cm_id *cm_id, int err)
{
struct cm_id_private *cm_id_priv;
+ enum ib_cm_state old_state;
struct cm_work *work;
int ret;
cm_id_priv = container_of(cm_id, struct cm_id_private, id);
spin_lock_irq(&cm_id_priv->lock);
+ old_state = cm_id->state;
retest:
switch (cm_id->state) {
case IB_CM_LISTEN:
@@ -1151,7 +1154,7 @@ static void cm_destroy_id(struct ib_cm_id *cm_id, int err)
msecs_to_jiffies(
CM_DESTROY_ID_WAIT_TIMEOUT));
if (!ret) /* timeout happened */
- cm_destroy_id_wait_timeout(cm_id);
+ cm_destroy_id_wait_timeout(cm_id, old_state);
} while (!ret);
while ((work = cm_dequeue_work(cm_id_priv)) != NULL)
--
GitLab
From 2a975d426c82ff05ec1f0b773798d909fe4a3105 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Mon, 1 Apr 2024 11:27:33 -0600
Subject: [PATCH 1924/2686] io_uring/rw: don't allow multishot reads without
NOWAIT support
Supporting multishot reads requires support for NOWAIT, as the
alternative would be always having io-wq execute the work item whenever
the poll readiness triggered. Any fast file type will have NOWAIT
support (eg it understands both O_NONBLOCK and IOCB_NOWAIT). If the
given file type does not, then simply resort to single shot execution.
Cc: stable@vger.kernel.org
Fixes: fc68fcda04910 ("io_uring/rw: add support for IORING_OP_READ_MULTISHOT")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/rw.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/io_uring/rw.c b/io_uring/rw.c
index 0585ebcc9773d..c8d48287439e5 100644
--- a/io_uring/rw.c
+++ b/io_uring/rw.c
@@ -936,6 +936,13 @@ int io_read_mshot(struct io_kiocb *req, unsigned int issue_flags)
ret = __io_read(req, issue_flags);
+ /*
+ * If the file doesn't support proper NOWAIT, then disable multishot
+ * and stay in single shot mode.
+ */
+ if (!io_file_supports_nowait(req))
+ req->flags &= ~REQ_F_APOLL_MULTISHOT;
+
/*
* If we get -EAGAIN, recycle our buffer and just let normal poll
* handling arm it.
@@ -955,7 +962,7 @@ int io_read_mshot(struct io_kiocb *req, unsigned int issue_flags)
/*
* Any successful return value will keep the multishot read armed.
*/
- if (ret > 0) {
+ if (ret > 0 && req->flags & REQ_F_APOLL_MULTISHOT) {
/*
* Put our buffer and post a CQE. If we fail to post a CQE, then
* jump to the termination path. This request is then done.
--
GitLab
From bee1d5becdf5bf23d4ca0cd9c6b60bdf3c61d72b Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Mon, 1 Apr 2024 11:30:06 -0600
Subject: [PATCH 1925/2686] io_uring: disable io-wq execution of multishot
NOWAIT requests
Do the same check for direct io-wq execution for multishot requests that
commit 2a975d426c82 did for the inline execution, and disable multishot
mode (and revert to single shot) if the file type doesn't support NOWAIT,
and isn't opened in O_NONBLOCK mode. For multishot to work properly, it's
a requirement that nonblocking read attempts can be done.
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/io_uring.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 5d4b448fdc503..8baf8afb79c2a 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -1982,10 +1982,15 @@ void io_wq_submit_work(struct io_wq_work *work)
err = -EBADFD;
if (!io_file_can_poll(req))
goto fail;
- err = -ECANCELED;
- if (io_arm_poll_handler(req, issue_flags) != IO_APOLL_OK)
- goto fail;
- return;
+ if (req->file->f_flags & O_NONBLOCK ||
+ req->file->f_mode & FMODE_NOWAIT) {
+ err = -ECANCELED;
+ if (io_arm_poll_handler(req, issue_flags) != IO_APOLL_OK)
+ goto fail;
+ return;
+ } else {
+ req->flags &= ~REQ_F_APOLL_MULTISHOT;
+ }
}
if (req->flags & REQ_F_FORCE_ASYNC) {
--
GitLab
From 24a9799aa8efecd0eb55a75e35f9d8e6400063aa Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Mon, 1 Apr 2024 14:13:10 -0300
Subject: [PATCH 1926/2686] smb: client: fix UAF in smb2_reconnect_server()
The UAF bug is due to smb2_reconnect_server() accessing a session that
is already being teared down by another thread that is executing
__cifs_put_smb_ses(). This can happen when (a) the client has
connection to the server but no session or (b) another thread ends up
setting @ses->ses_status again to something different than
SES_EXITING.
To fix this, we need to make sure to unconditionally set
@ses->ses_status to SES_EXITING and prevent any other threads from
setting a new status while we're still tearing it down.
The following can be reproduced by adding some delay to right after
the ipc is freed in __cifs_put_smb_ses() - which will give
smb2_reconnect_server() worker a chance to run and then accessing
@ses->ipc:
kinit ...
mount.cifs //srv/share /mnt/1 -o sec=krb5,nohandlecache,echo_interval=10
[disconnect srv]
ls /mnt/1 &>/dev/null
sleep 30
kdestroy
[reconnect srv]
sleep 10
umount /mnt/1
...
CIFS: VFS: Verify user has a krb5 ticket and keyutils is installed
CIFS: VFS: \\srv Send error in SessSetup = -126
CIFS: VFS: Verify user has a krb5 ticket and keyutils is installed
CIFS: VFS: \\srv Send error in SessSetup = -126
general protection fault, probably for non-canonical address
0x6b6b6b6b6b6b6b6b: 0000 [#1] PREEMPT SMP NOPTI
CPU: 3 PID: 50 Comm: kworker/3:1 Not tainted 6.9.0-rc2 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-1.fc39
04/01/2014
Workqueue: cifsiod smb2_reconnect_server [cifs]
RIP: 0010:__list_del_entry_valid_or_report+0x33/0xf0
Code: 4f 08 48 85 d2 74 42 48 85 c9 74 59 48 b8 00 01 00 00 00 00 ad
de 48 39 c2 74 61 48 b8 22 01 00 00 00 00 74 69 <48> 8b 01 48 39 f8 75
7b 48 8b 72 08 48 39 c6 0f 85 88 00 00 00 b8
RSP: 0018:ffffc900001bfd70 EFLAGS: 00010a83
RAX: dead000000000122 RBX: ffff88810da53838 RCX: 6b6b6b6b6b6b6b6b
RDX: 6b6b6b6b6b6b6b6b RSI: ffffffffc02f6878 RDI: ffff88810da53800
RBP: ffff88810da53800 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88810c064000
R13: 0000000000000001 R14: ffff88810c064000 R15: ffff8881039cc000
FS: 0000000000000000(0000) GS:ffff888157c00000(0000)
knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe3728b1000 CR3: 000000010caa4000 CR4: 0000000000750ef0
PKRU: 55555554
Call Trace:
<TASK>
? die_addr+0x36/0x90
? exc_general_protection+0x1c1/0x3f0
? asm_exc_general_protection+0x26/0x30
? __list_del_entry_valid_or_report+0x33/0xf0
__cifs_put_smb_ses+0x1ae/0x500 [cifs]
smb2_reconnect_server+0x4ed/0x710 [cifs]
process_one_work+0x205/0x6b0
worker_thread+0x191/0x360
? __pfx_worker_thread+0x10/0x10
kthread+0xe2/0x110
? __pfx_kthread+0x10/0x10
ret_from_fork+0x34/0x50
? __pfx_kthread+0x10/0x10
ret_from_fork_asm+0x1a/0x30
</TASK>
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/connect.c | 83 +++++++++++++++++------------------------
1 file changed, 34 insertions(+), 49 deletions(-)
diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index 9b85b5341822e..ee29bc57300cd 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -232,7 +232,13 @@ cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server,
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry_safe(ses, nses, &pserver->smb_ses_list, smb_ses_list) {
- /* check if iface is still active */
+ spin_lock(&ses->ses_lock);
+ if (ses->ses_status == SES_EXITING) {
+ spin_unlock(&ses->ses_lock);
+ continue;
+ }
+ spin_unlock(&ses->ses_lock);
+
spin_lock(&ses->chan_lock);
if (cifs_ses_get_chan_index(ses, server) ==
CIFS_INVAL_CHAN_INDEX) {
@@ -1963,31 +1969,6 @@ cifs_setup_ipc(struct cifs_ses *ses, struct smb3_fs_context *ctx)
return rc;
}
-/**
- * cifs_free_ipc - helper to release the session IPC tcon
- * @ses: smb session to unmount the IPC from
- *
- * Needs to be called everytime a session is destroyed.
- *
- * On session close, the IPC is closed and the server must release all tcons of the session.
- * No need to send a tree disconnect here.
- *
- * Besides, it will make the server to not close durable and resilient files on session close, as
- * specified in MS-SMB2 3.3.5.6 Receiving an SMB2 LOGOFF Request.
- */
-static int
-cifs_free_ipc(struct cifs_ses *ses)
-{
- struct cifs_tcon *tcon = ses->tcon_ipc;
-
- if (tcon == NULL)
- return 0;
-
- tconInfoFree(tcon);
- ses->tcon_ipc = NULL;
- return 0;
-}
-
static struct cifs_ses *
cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx)
{
@@ -2019,48 +2000,52 @@ cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx)
void __cifs_put_smb_ses(struct cifs_ses *ses)
{
struct TCP_Server_Info *server = ses->server;
+ struct cifs_tcon *tcon;
unsigned int xid;
size_t i;
+ bool do_logoff;
int rc;
+ spin_lock(&cifs_tcp_ses_lock);
spin_lock(&ses->ses_lock);
- if (ses->ses_status == SES_EXITING) {
+ cifs_dbg(FYI, "%s: id=0x%llx ses_count=%d ses_status=%u ipc=%s\n",
+ __func__, ses->Suid, ses->ses_count, ses->ses_status,
+ ses->tcon_ipc ? ses->tcon_ipc->tree_name : "none");
+ if (ses->ses_status == SES_EXITING || --ses->ses_count > 0) {
spin_unlock(&ses->ses_lock);
+ spin_unlock(&cifs_tcp_ses_lock);
return;
}
- spin_unlock(&ses->ses_lock);
+ /* ses_count can never go negative */
+ WARN_ON(ses->ses_count < 0);
- cifs_dbg(FYI, "%s: ses_count=%d\n", __func__, ses->ses_count);
- cifs_dbg(FYI,
- "%s: ses ipc: %s\n", __func__, ses->tcon_ipc ? ses->tcon_ipc->tree_name : "NONE");
+ spin_lock(&ses->chan_lock);
+ cifs_chan_clear_need_reconnect(ses, server);
+ spin_unlock(&ses->chan_lock);
- spin_lock(&cifs_tcp_ses_lock);
- if (--ses->ses_count > 0) {
- spin_unlock(&cifs_tcp_ses_lock);
- return;
- }
- spin_lock(&ses->ses_lock);
- if (ses->ses_status == SES_GOOD)
- ses->ses_status = SES_EXITING;
+ do_logoff = ses->ses_status == SES_GOOD && server->ops->logoff;
+ ses->ses_status = SES_EXITING;
+ tcon = ses->tcon_ipc;
+ ses->tcon_ipc = NULL;
spin_unlock(&ses->ses_lock);
spin_unlock(&cifs_tcp_ses_lock);
- /* ses_count can never go negative */
- WARN_ON(ses->ses_count < 0);
-
- spin_lock(&ses->ses_lock);
- if (ses->ses_status == SES_EXITING && server->ops->logoff) {
- spin_unlock(&ses->ses_lock);
- cifs_free_ipc(ses);
+ /*
+ * On session close, the IPC is closed and the server must release all
+ * tcons of the session. No need to send a tree disconnect here.
+ *
+ * Besides, it will make the server to not close durable and resilient
+ * files on session close, as specified in MS-SMB2 3.3.5.6 Receiving an
+ * SMB2 LOGOFF Request.
+ */
+ tconInfoFree(tcon);
+ if (do_logoff) {
xid = get_xid();
rc = server->ops->logoff(xid, ses);
if (rc)
cifs_server_dbg(VFS, "%s: Session Logoff failure rc=%d\n",
__func__, rc);
_free_xid(xid);
- } else {
- spin_unlock(&ses->ses_lock);
- cifs_free_ipc(ses);
}
spin_lock(&cifs_tcp_ses_lock);
--
GitLab
From fddf09273807bf6e51537823aaae896e05f147f9 Mon Sep 17 00:00:00 2001
From: Oleksandr Natalenko <oleksandr@natalenko.name>
Date: Fri, 19 Jan 2024 11:22:15 +0100
Subject: [PATCH 1927/2686] drm/display: fix typo
While studying the code I've bumped into a small typo within the
kernel-doc for two functions, apparently, due to copy-paste.
This commit fixes "sizo" word to be "size".
Signed-off-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Fixes: b3daa5ef52c2 ("drm: Add helper for DP++ adaptors")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240119102215.201474-1-oleksandr@natalenko.name
---
drivers/gpu/drm/display/drm_dp_dual_mode_helper.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c b/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c
index bd61e20770a5b..14a2a8473682b 100644
--- a/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c
+++ b/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c
@@ -52,7 +52,7 @@
* @adapter: I2C adapter for the DDC bus
* @offset: register offset
* @buffer: buffer for return data
- * @size: sizo of the buffer
+ * @size: size of the buffer
*
* Reads @size bytes from the DP dual mode adaptor registers
* starting at @offset.
@@ -116,7 +116,7 @@ EXPORT_SYMBOL(drm_dp_dual_mode_read);
* @adapter: I2C adapter for the DDC bus
* @offset: register offset
* @buffer: buffer for write data
- * @size: sizo of the buffer
+ * @size: size of the buffer
*
* Writes @size bytes to the DP dual mode adaptor registers
* starting at @offset.
--
GitLab
From 8844f467d6a58dc915f241e81c46e0c126f8c070 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Sat, 30 Mar 2024 05:53:22 +0200
Subject: [PATCH 1928/2686] drm/msm/dpu: make error messages at
dpu_core_irq_register_callback() more sensible
There is little point in using %ps to print a value known to be NULL. On
the other hand it makes sense to print the callback symbol in the
'invalid IRQ' message. Correct those two error messages to make more
sense.
Fixes: 6893199183f8 ("drm/msm/dpu: stop using raw IRQ indices in the kernel output")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/585565/
Link: https://lore.kernel.org/r/20240330-dpu-irq-messages-v1-1-9ce782ae35f9@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
index 946dd0135dffc..6a0a74832fb64 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
@@ -525,14 +525,14 @@ int dpu_core_irq_register_callback(struct dpu_kms *dpu_kms,
int ret;
if (!irq_cb) {
- DPU_ERROR("invalid IRQ=[%d, %d] irq_cb:%ps\n",
- DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), irq_cb);
+ DPU_ERROR("IRQ=[%d, %d] NULL callback\n",
+ DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
return -EINVAL;
}
if (!dpu_core_irq_is_valid(irq_idx)) {
- DPU_ERROR("invalid IRQ=[%d, %d]\n",
- DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
+ DPU_ERROR("invalid IRQ=[%d, %d] irq_cb:%ps\n",
+ DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), irq_cb);
return -EINVAL;
}
--
GitLab
From 1197c5b2099f716b3de327437fb50900a0b936c9 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 26 Mar 2024 23:38:06 +0100
Subject: [PATCH 1929/2686] scsi: mylex: Fix sysfs buffer lengths
The myrb and myrs drivers use an odd way of implementing their sysfs files,
calling snprintf() with a fixed length of 32 bytes to print into a page
sized buffer. One of the strings is actually longer than 32 bytes, which
clang can warn about:
drivers/scsi/myrb.c:1906:10: error: 'snprintf' will always be truncated; specified size is 32, but format string expands to at least 34 [-Werror,-Wformat-truncation]
drivers/scsi/myrs.c:1089:10: error: 'snprintf' will always be truncated; specified size is 32, but format string expands to at least 34 [-Werror,-Wformat-truncation]
These could all be plain sprintf() without a length as the buffer is always
long enough. On the other hand, sysfs files should not be overly long
either, so just double the length to make sure the longest strings don't
get truncated here.
Fixes: 77266186397c ("scsi: myrs: Add Mylex RAID controller (SCSI interface)")
Fixes: 081ff398c56c ("scsi: myrb: Add Mylex RAID controller (block interface)")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240326223825.4084412-8-arnd@kernel.org
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/myrb.c | 20 ++++++++++----------
drivers/scsi/myrs.c | 24 ++++++++++++------------
2 files changed, 22 insertions(+), 22 deletions(-)
diff --git a/drivers/scsi/myrb.c b/drivers/scsi/myrb.c
index ca2e932dd9b70..f684eb5e04898 100644
--- a/drivers/scsi/myrb.c
+++ b/drivers/scsi/myrb.c
@@ -1775,9 +1775,9 @@ static ssize_t raid_state_show(struct device *dev,
name = myrb_devstate_name(ldev_info->state);
if (name)
- ret = snprintf(buf, 32, "%s\n", name);
+ ret = snprintf(buf, 64, "%s\n", name);
else
- ret = snprintf(buf, 32, "Invalid (%02X)\n",
+ ret = snprintf(buf, 64, "Invalid (%02X)\n",
ldev_info->state);
} else {
struct myrb_pdev_state *pdev_info = sdev->hostdata;
@@ -1796,9 +1796,9 @@ static ssize_t raid_state_show(struct device *dev,
else
name = myrb_devstate_name(pdev_info->state);
if (name)
- ret = snprintf(buf, 32, "%s\n", name);
+ ret = snprintf(buf, 64, "%s\n", name);
else
- ret = snprintf(buf, 32, "Invalid (%02X)\n",
+ ret = snprintf(buf, 64, "Invalid (%02X)\n",
pdev_info->state);
}
return ret;
@@ -1886,11 +1886,11 @@ static ssize_t raid_level_show(struct device *dev,
name = myrb_raidlevel_name(ldev_info->raid_level);
if (!name)
- return snprintf(buf, 32, "Invalid (%02X)\n",
+ return snprintf(buf, 64, "Invalid (%02X)\n",
ldev_info->state);
- return snprintf(buf, 32, "%s\n", name);
+ return snprintf(buf, 64, "%s\n", name);
}
- return snprintf(buf, 32, "Physical Drive\n");
+ return snprintf(buf, 64, "Physical Drive\n");
}
static DEVICE_ATTR_RO(raid_level);
@@ -1903,15 +1903,15 @@ static ssize_t rebuild_show(struct device *dev,
unsigned char status;
if (sdev->channel < myrb_logical_channel(sdev->host))
- return snprintf(buf, 32, "physical device - not rebuilding\n");
+ return snprintf(buf, 64, "physical device - not rebuilding\n");
status = myrb_get_rbld_progress(cb, &rbld_buf);
if (rbld_buf.ldev_num != sdev->id ||
status != MYRB_STATUS_SUCCESS)
- return snprintf(buf, 32, "not rebuilding\n");
+ return snprintf(buf, 64, "not rebuilding\n");
- return snprintf(buf, 32, "rebuilding block %u of %u\n",
+ return snprintf(buf, 64, "rebuilding block %u of %u\n",
rbld_buf.ldev_size - rbld_buf.blocks_left,
rbld_buf.ldev_size);
}
diff --git a/drivers/scsi/myrs.c b/drivers/scsi/myrs.c
index a1eec65a9713f..e824be9d9bbb9 100644
--- a/drivers/scsi/myrs.c
+++ b/drivers/scsi/myrs.c
@@ -947,9 +947,9 @@ static ssize_t raid_state_show(struct device *dev,
name = myrs_devstate_name(ldev_info->dev_state);
if (name)
- ret = snprintf(buf, 32, "%s\n", name);
+ ret = snprintf(buf, 64, "%s\n", name);
else
- ret = snprintf(buf, 32, "Invalid (%02X)\n",
+ ret = snprintf(buf, 64, "Invalid (%02X)\n",
ldev_info->dev_state);
} else {
struct myrs_pdev_info *pdev_info;
@@ -958,9 +958,9 @@ static ssize_t raid_state_show(struct device *dev,
pdev_info = sdev->hostdata;
name = myrs_devstate_name(pdev_info->dev_state);
if (name)
- ret = snprintf(buf, 32, "%s\n", name);
+ ret = snprintf(buf, 64, "%s\n", name);
else
- ret = snprintf(buf, 32, "Invalid (%02X)\n",
+ ret = snprintf(buf, 64, "Invalid (%02X)\n",
pdev_info->dev_state);
}
return ret;
@@ -1066,13 +1066,13 @@ static ssize_t raid_level_show(struct device *dev,
ldev_info = sdev->hostdata;
name = myrs_raid_level_name(ldev_info->raid_level);
if (!name)
- return snprintf(buf, 32, "Invalid (%02X)\n",
+ return snprintf(buf, 64, "Invalid (%02X)\n",
ldev_info->dev_state);
} else
name = myrs_raid_level_name(MYRS_RAID_PHYSICAL);
- return snprintf(buf, 32, "%s\n", name);
+ return snprintf(buf, 64, "%s\n", name);
}
static DEVICE_ATTR_RO(raid_level);
@@ -1086,7 +1086,7 @@ static ssize_t rebuild_show(struct device *dev,
unsigned char status;
if (sdev->channel < cs->ctlr_info->physchan_present)
- return snprintf(buf, 32, "physical device - not rebuilding\n");
+ return snprintf(buf, 64, "physical device - not rebuilding\n");
ldev_info = sdev->hostdata;
ldev_num = ldev_info->ldev_num;
@@ -1098,11 +1098,11 @@ static ssize_t rebuild_show(struct device *dev,
return -EIO;
}
if (ldev_info->rbld_active) {
- return snprintf(buf, 32, "rebuilding block %zu of %zu\n",
+ return snprintf(buf, 64, "rebuilding block %zu of %zu\n",
(size_t)ldev_info->rbld_lba,
(size_t)ldev_info->cfg_devsize);
} else
- return snprintf(buf, 32, "not rebuilding\n");
+ return snprintf(buf, 64, "not rebuilding\n");
}
static ssize_t rebuild_store(struct device *dev,
@@ -1190,7 +1190,7 @@ static ssize_t consistency_check_show(struct device *dev,
unsigned short ldev_num;
if (sdev->channel < cs->ctlr_info->physchan_present)
- return snprintf(buf, 32, "physical device - not checking\n");
+ return snprintf(buf, 64, "physical device - not checking\n");
ldev_info = sdev->hostdata;
if (!ldev_info)
@@ -1198,11 +1198,11 @@ static ssize_t consistency_check_show(struct device *dev,
ldev_num = ldev_info->ldev_num;
myrs_get_ldev_info(cs, ldev_num, ldev_info);
if (ldev_info->cc_active)
- return snprintf(buf, 32, "checking block %zu of %zu\n",
+ return snprintf(buf, 64, "checking block %zu of %zu\n",
(size_t)ldev_info->cc_lba,
(size_t)ldev_info->cfg_devsize);
else
- return snprintf(buf, 32, "not checking\n");
+ return snprintf(buf, 64, "not checking\n");
}
static ssize_t consistency_check_store(struct device *dev,
--
GitLab
From ba947ecd39ea0e6a6f6f1101f99611fc30943bcb Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Mon, 1 Apr 2024 19:16:19 -0400
Subject: [PATCH 1930/2686] bcachefs: Fix btree node reserve
Sign error when checking the watermark - oops.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_update_interior.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 983bb27298cc2..29aee215384a6 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -303,7 +303,7 @@ static struct btree *__bch2_btree_node_alloc(struct btree_trans *trans,
struct open_buckets obs = { .nr = 0 };
struct bch_devs_list devs_have = (struct bch_devs_list) { 0 };
enum bch_watermark watermark = flags & BCH_WATERMARK_MASK;
- unsigned nr_reserve = watermark > BCH_WATERMARK_reclaim
+ unsigned nr_reserve = watermark < BCH_WATERMARK_reclaim
? BTREE_NODE_RESERVE
: 0;
int ret;
--
GitLab
From e2a316b3cc45a1198f3feb18707403bb7f0cbc15 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Mon, 1 Apr 2024 19:20:36 -0400
Subject: [PATCH 1931/2686] bcachefs: BCH_WATERMARK_interior_updates
This adds a new watermark, higher priority than BCH_WATERMARK_reclaim,
for interior btree updates. We've seen a deadlock where journal replay
triggers a ton of btree node merges, and these use up all available open
buckets and then interior updates get stuck.
One cause of this is that we're currently lacking btree node merging on
write buffer btrees - that needs to be fixed as well.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/alloc_foreground.c | 4 +++-
fs/bcachefs/alloc_types.h | 3 ++-
fs/bcachefs/btree_io.c | 2 +-
fs/bcachefs/btree_trans_commit.c | 3 ++-
fs/bcachefs/btree_update_interior.c | 6 +++---
fs/bcachefs/buckets.h | 1 +
6 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/fs/bcachefs/alloc_foreground.c b/fs/bcachefs/alloc_foreground.c
index 214b15c84d1f3..a1fc30adf9129 100644
--- a/fs/bcachefs/alloc_foreground.c
+++ b/fs/bcachefs/alloc_foreground.c
@@ -188,8 +188,10 @@ long bch2_bucket_alloc_new_fs(struct bch_dev *ca)
static inline unsigned open_buckets_reserved(enum bch_watermark watermark)
{
switch (watermark) {
- case BCH_WATERMARK_reclaim:
+ case BCH_WATERMARK_interior_updates:
return 0;
+ case BCH_WATERMARK_reclaim:
+ return OPEN_BUCKETS_COUNT / 6;
case BCH_WATERMARK_btree:
case BCH_WATERMARK_btree_copygc:
return OPEN_BUCKETS_COUNT / 4;
diff --git a/fs/bcachefs/alloc_types.h b/fs/bcachefs/alloc_types.h
index b91b7a4610560..c2226e947c41f 100644
--- a/fs/bcachefs/alloc_types.h
+++ b/fs/bcachefs/alloc_types.h
@@ -22,7 +22,8 @@ struct bucket_alloc_state {
x(copygc) \
x(btree) \
x(btree_copygc) \
- x(reclaim)
+ x(reclaim) \
+ x(interior_updates)
enum bch_watermark {
#define x(name) BCH_WATERMARK_##name,
diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index 9c71e6fb9c41b..f3f27bb85a5ba 100644
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -1861,7 +1861,7 @@ static void btree_node_write_work(struct work_struct *work)
} else {
ret = bch2_trans_do(c, NULL, NULL, 0,
bch2_btree_node_update_key_get_iter(trans, b, &wbio->key,
- BCH_WATERMARK_reclaim|
+ BCH_WATERMARK_interior_updates|
BCH_TRANS_COMMIT_journal_reclaim|
BCH_TRANS_COMMIT_no_enospc|
BCH_TRANS_COMMIT_no_check_rw,
diff --git a/fs/bcachefs/btree_trans_commit.c b/fs/bcachefs/btree_trans_commit.c
index 96669fede7d34..aa9da49707404 100644
--- a/fs/bcachefs/btree_trans_commit.c
+++ b/fs/bcachefs/btree_trans_commit.c
@@ -887,6 +887,7 @@ int bch2_trans_commit_error(struct btree_trans *trans, unsigned flags,
int ret, unsigned long trace_ip)
{
struct bch_fs *c = trans->c;
+ enum bch_watermark watermark = flags & BCH_WATERMARK_MASK;
switch (ret) {
case -BCH_ERR_btree_insert_btree_node_full:
@@ -905,7 +906,7 @@ int bch2_trans_commit_error(struct btree_trans *trans, unsigned flags,
* flag
*/
if ((flags & BCH_TRANS_COMMIT_journal_reclaim) &&
- (flags & BCH_WATERMARK_MASK) != BCH_WATERMARK_reclaim) {
+ watermark < BCH_WATERMARK_reclaim) {
ret = -BCH_ERR_journal_reclaim_would_deadlock;
break;
}
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 29aee215384a6..9fd2dd0f46825 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -687,7 +687,7 @@ static void btree_update_nodes_written(struct btree_update *as)
* which may require allocations as well.
*/
ret = commit_do(trans, &as->disk_res, &journal_seq,
- BCH_WATERMARK_reclaim|
+ BCH_WATERMARK_interior_updates|
BCH_TRANS_COMMIT_no_enospc|
BCH_TRANS_COMMIT_no_check_rw|
BCH_TRANS_COMMIT_journal_reclaim,
@@ -1121,7 +1121,7 @@ bch2_btree_update_start(struct btree_trans *trans, struct btree_path *path,
unsigned journal_flags = watermark|JOURNAL_RES_GET_CHECK;
if ((flags & BCH_TRANS_COMMIT_journal_reclaim) &&
- watermark != BCH_WATERMARK_reclaim)
+ watermark < BCH_WATERMARK_reclaim)
journal_flags |= JOURNAL_RES_GET_NONBLOCK;
ret = drop_locks_do(trans,
@@ -1217,7 +1217,7 @@ bch2_btree_update_start(struct btree_trans *trans, struct btree_path *path,
*/
if (bch2_err_matches(ret, ENOSPC) &&
(flags & BCH_TRANS_COMMIT_journal_reclaim) &&
- watermark != BCH_WATERMARK_reclaim) {
+ watermark < BCH_WATERMARK_reclaim) {
ret = -BCH_ERR_journal_reclaim_would_deadlock;
goto err;
}
diff --git a/fs/bcachefs/buckets.h b/fs/bcachefs/buckets.h
index 6387e039f7897..00aaf4bb51397 100644
--- a/fs/bcachefs/buckets.h
+++ b/fs/bcachefs/buckets.h
@@ -226,6 +226,7 @@ static inline u64 bch2_dev_buckets_reserved(struct bch_dev *ca, enum bch_waterma
fallthrough;
case BCH_WATERMARK_btree_copygc:
case BCH_WATERMARK_reclaim:
+ case BCH_WATERMARK_interior_updates:
break;
}
--
GitLab
From 6bc5e70b1c792b31b497e48b4668a9a2909aca0d Mon Sep 17 00:00:00 2001
From: Peter Wang <peter.wang@mediatek.com>
Date: Fri, 29 Mar 2024 09:50:36 +0800
Subject: [PATCH 1932/2686] scsi: ufs: core: WLUN suspend dev/link state error
recovery
When wl suspend error occurs, for example BKOP or SSU timeout, the host
triggers an error handler and returns -EBUSY to break the wl suspend
process. However, it is possible for the runtime PM to enter wl suspend
again before the error handler has finished, and return -EINVAL because the
device is in an error state. To address this, ensure that the rumtime PM
waits for the error handler to finish, or trigger the error handler in such
cases, because returning -EINVAL can cause the I/O to hang.
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20240329015036.15707-1-peter.wang@mediatek.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/ufs/core/ufshcd.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index e30fd125988d7..292b06f361a26 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -9791,7 +9791,10 @@ static int __ufshcd_wl_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
/* UFS device & link must be active before we enter in this function */
if (!ufshcd_is_ufs_dev_active(hba) || !ufshcd_is_link_active(hba)) {
- ret = -EINVAL;
+ /* Wait err handler finish or trigger err recovery */
+ if (!ufshcd_eh_in_progress(hba))
+ ufshcd_force_error_recovery(hba);
+ ret = -EBUSY;
goto enable_scaling;
}
--
GitLab
From 0296bea01cfa6526be6bd2d16dc83b4e7f1af91f Mon Sep 17 00:00:00 2001
From: Li Nan <linan122@huawei.com>
Date: Fri, 8 Dec 2023 16:23:35 +0800
Subject: [PATCH 1933/2686] scsi: sd: Unregister device if device_add_disk()
failed in sd_probe()
"if device_add() succeeds, you should call device_del() when you want to
get rid of it."
In sd_probe(), device_add_disk() fails when device_add() has already
succeeded, so change put_device() to device_unregister() to ensure device
resources are released.
Fixes: 2a7a891f4c40 ("scsi: sd: Add error handling support for add_disk()")
Signed-off-by: Li Nan <linan122@huawei.com>
Link: https://lore.kernel.org/r/20231208082335.1754205-1-linan666@huaweicloud.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/sd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 3cf8986702904..58fdf679341dc 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3920,7 +3920,7 @@ static int sd_probe(struct device *dev)
error = device_add_disk(dev, gd, NULL);
if (error) {
- put_device(&sdkp->disk_dev);
+ device_unregister(&sdkp->disk_dev);
put_disk(gd);
goto out;
}
--
GitLab
From e675a4fd6d1f8990d3bed5dada3d20edfa000423 Mon Sep 17 00:00:00 2001
From: Yihang Li <liyihang9@huawei.com>
Date: Thu, 28 Mar 2024 17:06:26 +0800
Subject: [PATCH 1934/2686] scsi: libsas: Align SMP request allocation to
ARCH_DMA_MINALIGN
This series [1] reduced the kmalloc() minimum alignment on arm64 to 8 bytes
(from 128). In libsas, this will cause SMP requests to be 8-byte aligned
through kmalloc() allocation. However, for hisi_sas hardware, all command
addresses must be 16-byte-aligned. Otherwise, the commands fail to be
executed.
ARCH_DMA_MINALIGN represents the minimum (static) alignment for safe DMA
operations, so use ARCH_DMA_MINALIGN as the alignment for SMP request.
Link: https://lkml.kernel.org/r/20230612153201.554742-1-catalin.marinas@arm.com [1]
Signed-off-by: Yihang Li <liyihang9@huawei.com>
Link: https://lore.kernel.org/r/20240328090626.621147-1-liyihang9@huawei.com
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/libsas/sas_expander.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 5c261005b74e4..f6e6db8b8aba9 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -135,7 +135,7 @@ static int smp_execute_task(struct domain_device *dev, void *req, int req_size,
static inline void *alloc_smp_req(int size)
{
- u8 *p = kzalloc(size, GFP_KERNEL);
+ u8 *p = kzalloc(ALIGN(size, ARCH_DMA_MINALIGN), GFP_KERNEL);
if (p)
p[0] = SMP_REQUEST;
return p;
--
GitLab
From 2a26a11e9c258b14be6fd98f8a85f20ac1fff66e Mon Sep 17 00:00:00 2001
From: Peter Wang <peter.wang@mediatek.com>
Date: Thu, 28 Mar 2024 19:12:44 +0800
Subject: [PATCH 1935/2686] scsi: ufs: core: Fix MCQ mode dev command timeout
When a dev command times out in MCQ mode, a successfully cleared command
should cause a retry. However, because we currently return 0, the caller
considers the command a success which causes the following error to be
logged: "Invalid offset 0x0 in descriptor IDN 0x9, length 0x0".
Retry if clearing the command was successful.
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20240328111244.3599-1-peter.wang@mediatek.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/ufs/core/ufshcd.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 292b06f361a26..a0f8e930167d7 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -3217,7 +3217,9 @@ static int ufshcd_wait_for_dev_cmd(struct ufs_hba *hba,
/* MCQ mode */
if (is_mcq_enabled(hba)) {
- err = ufshcd_clear_cmd(hba, lrbp->task_tag);
+ /* successfully cleared the command, retry if needed */
+ if (ufshcd_clear_cmd(hba, lrbp->task_tag) == 0)
+ err = -EAGAIN;
hba->dev_cmd.complete = NULL;
return err;
}
--
GitLab
From cd49cca222bc5532105a1f20bff6ae60d7bf7713 Mon Sep 17 00:00:00 2001
From: Abhinav Kumar <quic_abhinavk@quicinc.com>
Date: Wed, 6 Mar 2024 11:35:15 -0800
Subject: [PATCH 1936/2686] drm/msm/dp: fix typo in
dp_display_handle_port_status_changed()
Fix the typo in the name of dp_display_handle_port_status_changed().
Fixes: c58eb1b54fee ("drm/msm/dp: fix connect/disconnect handled at irq_hpd")
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/581746/
Link: https://lore.kernel.org/r/20240306193515.455388-1-quic_abhinavk@quicinc.com
---
drivers/gpu/drm/msm/dp/dp_display.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index 2ed40bd0acb60..9575d4b80c295 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -468,7 +468,7 @@ static void dp_display_handle_video_request(struct dp_display_private *dp)
}
}
-static int dp_display_handle_port_ststus_changed(struct dp_display_private *dp)
+static int dp_display_handle_port_status_changed(struct dp_display_private *dp)
{
int rc = 0;
@@ -525,7 +525,7 @@ static int dp_display_usbpd_attention_cb(struct device *dev)
drm_dbg_dp(dp->drm_dev, "hpd_state=%d sink_request=%d\n",
dp->hpd_state, sink_request);
if (sink_request & DS_PORT_STATUS_CHANGED)
- rc = dp_display_handle_port_ststus_changed(dp);
+ rc = dp_display_handle_port_status_changed(dp);
else
rc = dp_display_handle_irq_hpd(dp);
}
--
GitLab
From be1b7acb929137e3943fe380671242beb485190c Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Tue, 2 Apr 2024 05:57:15 +0300
Subject: [PATCH 1937/2686] dt-bindings: display/msm: sm8150-mdss: add DP node
As Qualcomm SM8150 got support for the DisplayPort, add displayport@
node as a valid child to the MDSS node.
Fixes: 88806318e2c2 ("dt-bindings: display: msm: dp: declare compatible string for sm8150")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/586156/
Link: https://lore.kernel.org/r/20240402-fd-fix-schema-v3-1-817ea6ddf775@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
---
.../bindings/display/msm/qcom,sm8150-mdss.yaml | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm8150-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm8150-mdss.yaml
index c0d6a4fdff97e..e6dc5494baee2 100644
--- a/Documentation/devicetree/bindings/display/msm/qcom,sm8150-mdss.yaml
+++ b/Documentation/devicetree/bindings/display/msm/qcom,sm8150-mdss.yaml
@@ -53,6 +53,15 @@ patternProperties:
compatible:
const: qcom,sm8150-dpu
+ "^displayport-controller@[0-9a-f]+$":
+ type: object
+ additionalProperties: true
+
+ properties:
+ compatible:
+ contains:
+ const: qcom,sm8150-dp
+
"^dsi@[0-9a-f]+$":
type: object
additionalProperties: true
--
GitLab
From c88b50a12f962f520dfab0a53ab393f43df9bbd4 Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Mon, 1 Apr 2024 14:44:29 +0200
Subject: [PATCH 1938/2686] ata: ahci_st: Remove an unused field in struct
st_ahci_drv_data
In "struct st_ahci_drv_data", the 'ahci' field is unused.
Remove it.
Found with cppcheck, unusedStructMember.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
---
drivers/ata/ahci_st.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/ata/ahci_st.c b/drivers/ata/ahci_st.c
index d4a626f87963b..79a8b0aa37bf3 100644
--- a/drivers/ata/ahci_st.c
+++ b/drivers/ata/ahci_st.c
@@ -30,7 +30,6 @@
#define ST_AHCI_OOBR_CIMAX_SHIFT 0
struct st_ahci_drv_data {
- struct platform_device *ahci;
struct reset_control *pwr;
struct reset_control *sw_rst;
struct reset_control *pwr_rst;
--
GitLab
From 37801a36b4d68892ce807264f784d818f8d0d39b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
Date: Thu, 28 Mar 2024 20:16:58 +0100
Subject: [PATCH 1939/2686] selinux: avoid dereference of garbage after mount
failure
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
In case kern_mount() fails and returns an error pointer return in the
error branch instead of continuing and dereferencing the error pointer.
While on it drop the never read static variable selinuxfs_mount.
Cc: stable@vger.kernel.org
Fixes: 0619f0f5e36f ("selinux: wrap selinuxfs state")
Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
---
security/selinux/selinuxfs.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 0619a1cbbfbe4..074d6c2714eb5 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -2123,7 +2123,6 @@ static struct file_system_type sel_fs_type = {
.kill_sb = sel_kill_sb,
};
-static struct vfsmount *selinuxfs_mount __ro_after_init;
struct path selinux_null __ro_after_init;
static int __init init_sel_fs(void)
@@ -2145,18 +2144,21 @@ static int __init init_sel_fs(void)
return err;
}
- selinux_null.mnt = selinuxfs_mount = kern_mount(&sel_fs_type);
- if (IS_ERR(selinuxfs_mount)) {
+ selinux_null.mnt = kern_mount(&sel_fs_type);
+ if (IS_ERR(selinux_null.mnt)) {
pr_err("selinuxfs: could not mount!\n");
- err = PTR_ERR(selinuxfs_mount);
- selinuxfs_mount = NULL;
+ err = PTR_ERR(selinux_null.mnt);
+ selinux_null.mnt = NULL;
+ return err;
}
+
selinux_null.dentry = d_hash_and_lookup(selinux_null.mnt->mnt_root,
&null_name);
if (IS_ERR(selinux_null.dentry)) {
pr_err("selinuxfs: could not lookup null!\n");
err = PTR_ERR(selinux_null.dentry);
selinux_null.dentry = NULL;
+ return err;
}
return err;
--
GitLab
From 9d98aa088386aee3db1b7b60b800c0fde0654a4a Mon Sep 17 00:00:00 2001
From: Uros Bizjak <ubizjak@gmail.com>
Date: Mon, 1 Apr 2024 20:55:29 +0200
Subject: [PATCH 1940/2686] x86/bpf: Fix IP after emitting call depth
accounting
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Adjust the IP passed to `emit_patch` so it calculates the correct offset
for the CALL instruction if `x86_call_depth_emit_accounting` emits code.
Otherwise we will skip some instructions and most likely crash.
Fixes: b2e9dfe54be4 ("x86/bpf: Emit call depth accounting if required")
Link: https://lore.kernel.org/lkml/20230105214922.250473-1-joanbrugueram@gmail.com/
Co-developed-by: Joan Bruguera Micó <joanbrugueram@gmail.com>
Signed-off-by: Joan Bruguera Micó <joanbrugueram@gmail.com>
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20240401185821.224068-2-ubizjak@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
arch/x86/net/bpf_jit_comp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index a7ba8e1786452..e55745f512e19 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -480,7 +480,7 @@ static int emit_call(u8 **pprog, void *func, void *ip)
static int emit_rsb_call(u8 **pprog, void *func, void *ip)
{
OPTIMIZER_HIDE_VAR(func);
- x86_call_depth_emit_accounting(pprog, func);
+ ip += x86_call_depth_emit_accounting(pprog, func);
return emit_patch(pprog, func, ip, 0xE8);
}
--
GitLab
From 6a537453000a916392fcac1acb96c1d9d1e05b74 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joan=20Bruguera=20Mic=C3=B3?= <joanbrugueram@gmail.com>
Date: Mon, 1 Apr 2024 20:55:30 +0200
Subject: [PATCH 1941/2686] x86/bpf: Fix IP for relocating call depth
accounting
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The commit:
59bec00ace28 ("x86/percpu: Introduce %rip-relative addressing to PER_CPU_VAR()")
made PER_CPU_VAR() to use rip-relative addressing, hence
INCREMENT_CALL_DEPTH macro and skl_call_thunk_template got rip-relative
asm code inside of it. A follow up commit:
17bce3b2ae2d ("x86/callthunks: Handle %rip-relative relocations in call thunk template")
changed x86_call_depth_emit_accounting() to use apply_relocation(),
but mistakenly assumed that the code is being patched in-place (where
the destination of the relocation matches the address of the code),
using *pprog as the destination ip. This is not true for the call depth
accounting, emitted by the BPF JIT, so the calculated address was wrong,
JIT-ed BPF progs on kernels with call depth tracking got broken and
usually caused a page fault.
Pass the destination IP when the BPF JIT emits call depth accounting.
Fixes: 17bce3b2ae2d ("x86/callthunks: Handle %rip-relative relocations in call thunk template")
Signed-off-by: Joan Bruguera Micó <joanbrugueram@gmail.com>
Reviewed-by: Uros Bizjak <ubizjak@gmail.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20240401185821.224068-3-ubizjak@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
arch/x86/include/asm/alternative.h | 4 ++--
arch/x86/kernel/callthunks.c | 4 ++--
arch/x86/net/bpf_jit_comp.c | 19 ++++++++-----------
3 files changed, 12 insertions(+), 15 deletions(-)
diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index fcd20c6dc7f90..67b68d0d17d1e 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -117,7 +117,7 @@ extern void callthunks_patch_builtin_calls(void);
extern void callthunks_patch_module_calls(struct callthunk_sites *sites,
struct module *mod);
extern void *callthunks_translate_call_dest(void *dest);
-extern int x86_call_depth_emit_accounting(u8 **pprog, void *func);
+extern int x86_call_depth_emit_accounting(u8 **pprog, void *func, void *ip);
#else
static __always_inline void callthunks_patch_builtin_calls(void) {}
static __always_inline void
@@ -128,7 +128,7 @@ static __always_inline void *callthunks_translate_call_dest(void *dest)
return dest;
}
static __always_inline int x86_call_depth_emit_accounting(u8 **pprog,
- void *func)
+ void *func, void *ip)
{
return 0;
}
diff --git a/arch/x86/kernel/callthunks.c b/arch/x86/kernel/callthunks.c
index 30335182b6b0a..e92ff0c11db81 100644
--- a/arch/x86/kernel/callthunks.c
+++ b/arch/x86/kernel/callthunks.c
@@ -314,7 +314,7 @@ static bool is_callthunk(void *addr)
return !bcmp(pad, insn_buff, tmpl_size);
}
-int x86_call_depth_emit_accounting(u8 **pprog, void *func)
+int x86_call_depth_emit_accounting(u8 **pprog, void *func, void *ip)
{
unsigned int tmpl_size = SKL_TMPL_SIZE;
u8 insn_buff[MAX_PATCH_LEN];
@@ -327,7 +327,7 @@ int x86_call_depth_emit_accounting(u8 **pprog, void *func)
return 0;
memcpy(insn_buff, skl_call_thunk_template, tmpl_size);
- apply_relocation(insn_buff, tmpl_size, *pprog,
+ apply_relocation(insn_buff, tmpl_size, ip,
skl_call_thunk_template, tmpl_size);
memcpy(*pprog, insn_buff, tmpl_size);
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index e55745f512e19..df5fac428408f 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -480,7 +480,7 @@ static int emit_call(u8 **pprog, void *func, void *ip)
static int emit_rsb_call(u8 **pprog, void *func, void *ip)
{
OPTIMIZER_HIDE_VAR(func);
- ip += x86_call_depth_emit_accounting(pprog, func);
+ ip += x86_call_depth_emit_accounting(pprog, func, ip);
return emit_patch(pprog, func, ip, 0xE8);
}
@@ -1972,20 +1972,17 @@ st: if (is_imm8(insn->off))
/* call */
case BPF_JMP | BPF_CALL: {
- int offs;
+ u8 *ip = image + addrs[i - 1];
func = (u8 *) __bpf_call_base + imm32;
if (tail_call_reachable) {
RESTORE_TAIL_CALL_CNT(bpf_prog->aux->stack_depth);
- if (!imm32)
- return -EINVAL;
- offs = 7 + x86_call_depth_emit_accounting(&prog, func);
- } else {
- if (!imm32)
- return -EINVAL;
- offs = x86_call_depth_emit_accounting(&prog, func);
+ ip += 7;
}
- if (emit_call(&prog, func, image + addrs[i - 1] + offs))
+ if (!imm32)
+ return -EINVAL;
+ ip += x86_call_depth_emit_accounting(&prog, func, ip);
+ if (emit_call(&prog, func, ip))
return -EINVAL;
break;
}
@@ -2835,7 +2832,7 @@ static int __arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *rw_im
* Direct-call fentry stub, as such it needs accounting for the
* __fentry__ call.
*/
- x86_call_depth_emit_accounting(&prog, NULL);
+ x86_call_depth_emit_accounting(&prog, NULL, image);
}
EMIT1(0x55); /* push rbp */
EMIT3(0x48, 0x89, 0xE5); /* mov rbp, rsp */
--
GitLab
From 96c155943a703f0655c0c4cab540f67055960e91 Mon Sep 17 00:00:00 2001
From: Aleksandr Mishin <amishin@t-argos.ru>
Date: Fri, 29 Mar 2024 09:16:31 +0300
Subject: [PATCH 1942/2686] net: phy: micrel: Fix potential null pointer
dereference
In lan8814_get_sig_rx() and lan8814_get_sig_tx() ptp_parse_header() may
return NULL as ptp_header due to abnormal packet type or corrupted packet.
Fix this bug by adding ptp_header check.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: ece19502834d ("net: phy: micrel: 1588 support for LAN8814 phy")
Signed-off-by: Aleksandr Mishin <amishin@t-argos.ru>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240329061631.33199-1-amishin@t-argos.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/phy/micrel.c | 21 ++++++++++++++++-----
1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 8b8634600c519..0f8a8ad7ea0bd 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -2537,7 +2537,7 @@ static void lan8814_txtstamp(struct mii_timestamper *mii_ts,
}
}
-static void lan8814_get_sig_rx(struct sk_buff *skb, u16 *sig)
+static bool lan8814_get_sig_rx(struct sk_buff *skb, u16 *sig)
{
struct ptp_header *ptp_header;
u32 type;
@@ -2547,7 +2547,11 @@ static void lan8814_get_sig_rx(struct sk_buff *skb, u16 *sig)
ptp_header = ptp_parse_header(skb, type);
skb_pull_inline(skb, ETH_HLEN);
+ if (!ptp_header)
+ return false;
+
*sig = (__force u16)(ntohs(ptp_header->sequence_id));
+ return true;
}
static bool lan8814_match_rx_skb(struct kszphy_ptp_priv *ptp_priv,
@@ -2559,7 +2563,8 @@ static bool lan8814_match_rx_skb(struct kszphy_ptp_priv *ptp_priv,
bool ret = false;
u16 skb_sig;
- lan8814_get_sig_rx(skb, &skb_sig);
+ if (!lan8814_get_sig_rx(skb, &skb_sig))
+ return ret;
/* Iterate over all RX timestamps and match it with the received skbs */
spin_lock_irqsave(&ptp_priv->rx_ts_lock, flags);
@@ -2834,7 +2839,7 @@ static int lan8814_ptpci_adjfine(struct ptp_clock_info *ptpci, long scaled_ppm)
return 0;
}
-static void lan8814_get_sig_tx(struct sk_buff *skb, u16 *sig)
+static bool lan8814_get_sig_tx(struct sk_buff *skb, u16 *sig)
{
struct ptp_header *ptp_header;
u32 type;
@@ -2842,7 +2847,11 @@ static void lan8814_get_sig_tx(struct sk_buff *skb, u16 *sig)
type = ptp_classify_raw(skb);
ptp_header = ptp_parse_header(skb, type);
+ if (!ptp_header)
+ return false;
+
*sig = (__force u16)(ntohs(ptp_header->sequence_id));
+ return true;
}
static void lan8814_match_tx_skb(struct kszphy_ptp_priv *ptp_priv,
@@ -2856,7 +2865,8 @@ static void lan8814_match_tx_skb(struct kszphy_ptp_priv *ptp_priv,
spin_lock_irqsave(&ptp_priv->tx_queue.lock, flags);
skb_queue_walk_safe(&ptp_priv->tx_queue, skb, skb_tmp) {
- lan8814_get_sig_tx(skb, &skb_sig);
+ if (!lan8814_get_sig_tx(skb, &skb_sig))
+ continue;
if (memcmp(&skb_sig, &seq_id, sizeof(seq_id)))
continue;
@@ -2910,7 +2920,8 @@ static bool lan8814_match_skb(struct kszphy_ptp_priv *ptp_priv,
spin_lock_irqsave(&ptp_priv->rx_queue.lock, flags);
skb_queue_walk_safe(&ptp_priv->rx_queue, skb, skb_tmp) {
- lan8814_get_sig_rx(skb, &skb_sig);
+ if (!lan8814_get_sig_rx(skb, &skb_sig))
+ continue;
if (memcmp(&skb_sig, &rx_ts->seq_id, sizeof(rx_ts->seq_id)))
continue;
--
GitLab
From 31974122cfdeaf56abc18d8ab740d580d9833e90 Mon Sep 17 00:00:00 2001
From: Jakub Kicinski <kuba@kernel.org>
Date: Fri, 29 Mar 2024 09:05:59 -0700
Subject: [PATCH 1943/2686] selftests: reuseaddr_conflict: add missing new line
at the end of the output
The netdev CI runs in a VM and captures serial, so stdout and
stderr get combined. Because there's a missing new line in
stderr the test ends up corrupting KTAP:
# Successok 1 selftests: net: reuseaddr_conflict
which should have been:
# Success
ok 1 selftests: net: reuseaddr_conflict
Fixes: 422d8dc6fd3a ("selftest: add a reuseaddr test")
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20240329160559.249476-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
tools/testing/selftests/net/reuseaddr_conflict.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/net/reuseaddr_conflict.c b/tools/testing/selftests/net/reuseaddr_conflict.c
index 7c5b12664b03b..bfb07dc495186 100644
--- a/tools/testing/selftests/net/reuseaddr_conflict.c
+++ b/tools/testing/selftests/net/reuseaddr_conflict.c
@@ -109,6 +109,6 @@ int main(void)
fd1 = open_port(0, 1);
if (fd1 >= 0)
error(1, 0, "Was allowed to create an ipv4 reuseport on an already bound non-reuseport socket with no ipv6");
- fprintf(stderr, "Success");
+ fprintf(stderr, "Success\n");
return 0;
}
--
GitLab
From fcf4692fa39e86a590c14a4af2de704e1d20a3b5 Mon Sep 17 00:00:00 2001
From: Paolo Abeni <pabeni@redhat.com>
Date: Fri, 29 Mar 2024 19:50:36 +0100
Subject: [PATCH 1944/2686] mptcp: prevent BPF accessing lowat from a subflow
socket.
Alexei reported the following splat:
WARNING: CPU: 32 PID: 3276 at net/mptcp/subflow.c:1430 subflow_data_ready+0x147/0x1c0
Modules linked in: dummy bpf_testmod(O) [last unloaded: bpf_test_no_cfi(O)]
CPU: 32 PID: 3276 Comm: test_progs Tainted: GO 6.8.0-12873-g2c43c33bfd23
Call Trace:
<TASK>
mptcp_set_rcvlowat+0x79/0x1d0
sk_setsockopt+0x6c0/0x1540
__bpf_setsockopt+0x6f/0x90
bpf_sock_ops_setsockopt+0x3c/0x90
bpf_prog_509ce5db2c7f9981_bpf_test_sockopt_int+0xb4/0x11b
bpf_prog_dce07e362d941d2b_bpf_test_socket_sockopt+0x12b/0x132
bpf_prog_348c9b5faaf10092_skops_sockopt+0x954/0xe86
__cgroup_bpf_run_filter_sock_ops+0xbc/0x250
tcp_connect+0x879/0x1160
tcp_v6_connect+0x50c/0x870
mptcp_connect+0x129/0x280
__inet_stream_connect+0xce/0x370
inet_stream_connect+0x36/0x50
bpf_trampoline_6442491565+0x49/0xef
inet_stream_connect+0x5/0x50
__sys_connect+0x63/0x90
__x64_sys_connect+0x14/0x20
The root cause of the issue is that bpf allows accessing mptcp-level
proto_ops from a tcp subflow scope.
Fix the issue detecting the problematic call and preventing any action.
Reported-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/482
Fixes: 5684ab1a0eff ("mptcp: give rcvlowat some love")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://lore.kernel.org/r/d8cb7d8476d66cb0812a6e29cd1e626869d9d53e.1711738080.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/mptcp/sockopt.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c
index dcd1c76d2a3ba..73fdf423de44e 100644
--- a/net/mptcp/sockopt.c
+++ b/net/mptcp/sockopt.c
@@ -1493,6 +1493,10 @@ int mptcp_set_rcvlowat(struct sock *sk, int val)
struct mptcp_subflow_context *subflow;
int space, cap;
+ /* bpf can land here with a wrong sk type */
+ if (sk->sk_protocol == IPPROTO_TCP)
+ return -EINVAL;
+
if (sk->sk_userlocks & SOCK_RCVBUF_LOCK)
cap = sk->sk_rcvbuf >> 1;
else
--
GitLab
From 7a1b3490f47e88ec4cbde65f1a77a0f4bc972282 Mon Sep 17 00:00:00 2001
From: Davide Caratti <dcaratti@redhat.com>
Date: Fri, 29 Mar 2024 13:08:52 +0100
Subject: [PATCH 1945/2686] mptcp: don't account accept() of non-MPC client as
fallback to TCP
Current MPTCP servers increment MPTcpExtMPCapableFallbackACK when they
accept non-MPC connections. As reported by Christoph, this is "surprising"
because the counter might become greater than MPTcpExtMPCapableSYNRX.
MPTcpExtMPCapableFallbackACK counter's name suggests it should only be
incremented when a connection was seen using MPTCP options, then a
fallback to TCP has been done. Let's do that by incrementing it when
the subflow context of an inbound MPC connection attempt is dropped.
Also, update mptcp_connect.sh kselftest, to ensure that the
above MIB does not increment in case a pure TCP client connects to a
MPTCP server.
Fixes: fc518953bc9c ("mptcp: add and use MIB counter infrastructure")
Cc: stable@vger.kernel.org
Reported-by: Christoph Paasch <cpaasch@apple.com>
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/449
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://lore.kernel.org/r/20240329-upstream-net-20240329-fallback-mib-v1-1-324a8981da48@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/mptcp/protocol.c | 2 --
net/mptcp/subflow.c | 2 ++
tools/testing/selftests/net/mptcp/mptcp_connect.sh | 9 +++++++++
3 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 3a1967bc7bad6..7e74b812e366a 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -3937,8 +3937,6 @@ static int mptcp_stream_accept(struct socket *sock, struct socket *newsock,
mptcp_set_state(newsk, TCP_CLOSE);
}
} else {
- MPTCP_INC_STATS(sock_net(ssk),
- MPTCP_MIB_MPCAPABLEPASSIVEFALLBACK);
tcpfallback:
newsk->sk_kern_sock = kern;
lock_sock(newsk);
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 1626dd20c68f1..6042a47da61be 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -905,6 +905,8 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
return child;
fallback:
+ if (fallback)
+ SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_MPCAPABLEPASSIVEFALLBACK);
mptcp_subflow_drop_ctx(child);
return child;
}
diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
index 4c42485548262..4131f3263a482 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
@@ -383,12 +383,14 @@ do_transfer()
local stat_cookierx_last
local stat_csum_err_s
local stat_csum_err_c
+ local stat_tcpfb_last_l
stat_synrx_last_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX")
stat_ackrx_last_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableACKRX")
stat_cookietx_last=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesSent")
stat_cookierx_last=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesRecv")
stat_csum_err_s=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtDataCsumErr")
stat_csum_err_c=$(mptcp_lib_get_counter "${connector_ns}" "MPTcpExtDataCsumErr")
+ stat_tcpfb_last_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableFallbackACK")
timeout ${timeout_test} \
ip netns exec ${listener_ns} \
@@ -457,11 +459,13 @@ do_transfer()
local stat_cookietx_now
local stat_cookierx_now
local stat_ooo_now
+ local stat_tcpfb_now_l
stat_synrx_now_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX")
stat_ackrx_now_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableACKRX")
stat_cookietx_now=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesSent")
stat_cookierx_now=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesRecv")
stat_ooo_now=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtTCPOFOQueue")
+ stat_tcpfb_now_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableFallbackACK")
expect_synrx=$((stat_synrx_last_l))
expect_ackrx=$((stat_ackrx_last_l))
@@ -508,6 +512,11 @@ do_transfer()
fi
fi
+ if [ ${stat_ooo_now} -eq 0 ] && [ ${stat_tcpfb_last_l} -ne ${stat_tcpfb_now_l} ]; then
+ mptcp_lib_pr_fail "unexpected fallback to TCP"
+ rets=1
+ fi
+
if [ $cookies -eq 2 ];then
if [ $stat_cookietx_last -ge $stat_cookietx_now ] ;then
extra+=" WARN: CookieSent: did not advance"
--
GitLab
From 40061817d95bce6dd5634a61a65cd5922e6ccc92 Mon Sep 17 00:00:00 2001
From: Geliang Tang <tanggeliang@kylinos.cn>
Date: Fri, 29 Mar 2024 13:08:53 +0100
Subject: [PATCH 1946/2686] selftests: mptcp: join: fix dev in check_endpoint
There's a bug in pm_nl_check_endpoint(), 'dev' didn't be parsed correctly.
If calling it in the 2nd test of endpoint_tests() too, it fails with an
error like this:
creation [FAIL] expected '10.0.2.2 id 2 subflow dev dev' \
found '10.0.2.2 id 2 subflow dev ns2eth2'
The reason is '$2' should be set to 'dev', not '$1'. This patch fixes it.
Fixes: 69c6ce7b6eca ("selftests: mptcp: add implicit endpoint test case")
Cc: stable@vger.kernel.org
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://lore.kernel.org/r/20240329-upstream-net-20240329-fallback-mib-v1-2-324a8981da48@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
tools/testing/selftests/net/mptcp/mptcp_join.sh | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 5e9211e898256..e4403236f6554 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -729,7 +729,7 @@ pm_nl_check_endpoint()
[ -n "$_flags" ]; flags="flags $_flags"
shift
elif [ $1 = "dev" ]; then
- [ -n "$2" ]; dev="dev $1"
+ [ -n "$2" ]; dev="dev $2"
shift
elif [ $1 = "id" ]; then
_id=$2
@@ -3610,6 +3610,8 @@ endpoint_tests()
local tests_pid=$!
wait_mpj $ns2
+ pm_nl_check_endpoint "creation" \
+ $ns2 10.0.2.2 id 2 flags subflow dev ns2eth2
chk_subflow_nr "before delete" 2
chk_mptcp_info subflows 1 subflows 1
--
GitLab
From ea2a1cfc3b2019bdea6324acd3c03606b60d71ad Mon Sep 17 00:00:00 2001
From: Ivan Vecera <ivecera@redhat.com>
Date: Fri, 29 Mar 2024 11:06:37 -0700
Subject: [PATCH 1947/2686] i40e: Fix VF MAC filter removal
Commit 73d9629e1c8c ("i40e: Do not allow untrusted VF to remove
administratively set MAC") fixed an issue where untrusted VF was
allowed to remove its own MAC address although this was assigned
administratively from PF. Unfortunately the introduced check
is wrong because it causes that MAC filters for other MAC addresses
including multi-cast ones are not removed.
<snip>
if (ether_addr_equal(addr, vf->default_lan_addr.addr) &&
i40e_can_vf_change_mac(vf))
was_unimac_deleted = true;
else
continue;
if (i40e_del_mac_filter(vsi, al->list[i].addr)) {
...
</snip>
The else path with `continue` effectively skips any MAC filter
removal except one for primary MAC addr when VF is allowed to do so.
Fix the check condition so the `continue` is only done for primary
MAC address.
Fixes: 73d9629e1c8c ("i40e: Do not allow untrusted VF to remove administratively set MAC")
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://lore.kernel.org/r/20240329180638.211412-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 4c13f78af6756..232b65b9c8eac 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -3137,11 +3137,12 @@ static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg)
/* Allow to delete VF primary MAC only if it was not set
* administratively by PF or if VF is trusted.
*/
- if (ether_addr_equal(addr, vf->default_lan_addr.addr) &&
- i40e_can_vf_change_mac(vf))
- was_unimac_deleted = true;
- else
- continue;
+ if (ether_addr_equal(addr, vf->default_lan_addr.addr)) {
+ if (i40e_can_vf_change_mac(vf))
+ was_unimac_deleted = true;
+ else
+ continue;
+ }
if (i40e_del_mac_filter(vsi, al->list[i].addr)) {
ret = -EINVAL;
--
GitLab
From c42cd606e4f004e9ba36a05b9adb9e4eead5834a Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 2 Apr 2024 01:03:58 -0400
Subject: [PATCH 1948/2686] bcachefs: fix nocow lock deadlock
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/data_update.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/fs/bcachefs/data_update.c b/fs/bcachefs/data_update.c
index b564404dad711..34731ee0217f6 100644
--- a/fs/bcachefs/data_update.c
+++ b/fs/bcachefs/data_update.c
@@ -580,8 +580,7 @@ int bch2_data_update_init(struct btree_trans *trans,
move_ctxt_wait_event(ctxt,
(locked = bch2_bucket_nocow_trylock(&c->nocow_locks,
PTR_BUCKET_POS(c, &p.ptr), 0)) ||
- (!atomic_read(&ctxt->read_sectors) &&
- !atomic_read(&ctxt->write_sectors)));
+ list_empty(&ctxt->ios));
if (!locked)
bch2_bucket_nocow_lock(&c->nocow_locks,
--
GitLab
From c032cdd48b29549e8283c2fea99e7d91ddefebf7 Mon Sep 17 00:00:00 2001
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Tue, 26 Mar 2024 10:58:15 +0200
Subject: [PATCH 1949/2686] thunderbolt: Do not create DisplayPort tunnels on
adapters of the same router
Probably due to a firmware bug Dell TB16 dock announces that one of its
DisplayPort adapters is actually DP IN. Now this is possible and used
with some external GPUs but not likely in this case as we are dealing
with a dock. Anyways the problem is that the driver tries to create a
DisplayPort tunnel between adapters of the same router which then shows
to user that there is no picture on the display (because there are no
available DP OUT adapters on the dock anymore).
Fix this by not creating DisplayPort tunnels between adapters that are
on the same router.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10265
Fixes: 274baf695b08 ("thunderbolt: Add DP IN added last in the head of the list of DP resources")
Cc: Gil Fine <gil.fine@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/tb.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index c5ce7a694b27d..360cb95f39aab 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -1801,6 +1801,12 @@ static struct tb_port *tb_find_dp_out(struct tb *tb, struct tb_port *in)
continue;
}
+ /* Needs to be on different routers */
+ if (in->sw == port->sw) {
+ tb_port_dbg(port, "skipping DP OUT on same router\n");
+ continue;
+ }
+
tb_port_dbg(port, "DP OUT available\n");
/*
--
GitLab
From 03f56ed4ead162551ac596c9e3076ff01f1c5836 Mon Sep 17 00:00:00 2001
From: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Date: Mon, 1 Apr 2024 16:58:05 +0200
Subject: [PATCH 1950/2686] Revert "ALSA: emu10k1: fix synthesizer sample
playback position and caching"
As already anticipated in the original commit, playback was broken for
very short samples. I just didn't expect it to be an actual problem,
because we're talking about less than 1.5 milliseconds here. But clearly
such wavetable samples do actually exist.
The problem was that for such short samples we'd set the current
position beyond the end of the loop, so we'd run off the end of the
sample and play garbage.
This is a bigger (more audible) problem than the original one, which was
that we'd start playback with garbage (whatever was still in the cache),
which would be mostly masked by the note's attack phase.
So revert to the old behavior for now. We'll subsequently fix it
properly with a bigger patch series.
Note that this isn't a full revert - the dead code is not re-introduced,
because that would be silly.
Fixes: df335e9a8bcb ("ALSA: emu10k1: fix synthesizer sample playback position and caching")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218625
Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Message-ID: <20240401145805.528794-1-oswald.buddenhagen@gmx.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/emu10k1/emu10k1_callback.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/sound/pci/emu10k1/emu10k1_callback.c b/sound/pci/emu10k1/emu10k1_callback.c
index d36234b88fb42..941bfbf812ed3 100644
--- a/sound/pci/emu10k1/emu10k1_callback.c
+++ b/sound/pci/emu10k1/emu10k1_callback.c
@@ -255,7 +255,7 @@ lookup_voices(struct snd_emux *emu, struct snd_emu10k1 *hw,
/* check if sample is finished playing (non-looping only) */
if (bp != best + V_OFF && bp != best + V_FREE &&
(vp->reg.sample_mode & SNDRV_SFNT_SAMPLE_SINGLESHOT)) {
- val = snd_emu10k1_ptr_read(hw, CCCA_CURRADDR, vp->ch) - 64;
+ val = snd_emu10k1_ptr_read(hw, CCCA_CURRADDR, vp->ch);
if (val >= vp->reg.loopstart)
bp = best + V_OFF;
}
@@ -362,7 +362,7 @@ start_voice(struct snd_emux_voice *vp)
map = (hw->silent_page.addr << hw->address_mode) | (hw->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
- addr = vp->reg.start + 64;
+ addr = vp->reg.start;
temp = vp->reg.parm.filterQ;
ccca = (temp << 28) | addr;
if (vp->apitch < 0xe400)
@@ -430,9 +430,6 @@ start_voice(struct snd_emux_voice *vp)
/* Q & current address (Q 4bit value, MSB) */
CCCA, ccca,
- /* cache */
- CCR, REG_VAL_PUT(CCR_CACHEINVALIDSIZE, 64),
-
/* reset volume */
VTFT, vtarget | vp->ftarget,
CVCF, vtarget | CVCF_CURRENTFILTER_MASK,
--
GitLab
From b67a7dc418aabbddec41c752ac29b6fa0250d0a8 Mon Sep 17 00:00:00 2001
From: Christian Bendiksen <christian@bendiksen.me>
Date: Mon, 1 Apr 2024 12:26:10 +0000
Subject: [PATCH 1951/2686] ALSA: hda/realtek: Add sound quirks for Lenovo
Legion slim 7 16ARHA7 models
This fixes the sound not working from internal speakers on
Lenovo Legion Slim 7 16ARHA7 models. The correct subsystem ID
have been added to cs35l41_hda_property.c and patch_realtek.c.
Signed-off-by: Christian Bendiksen <christian@bendiksen.me>
Cc: <stable@vger.kernel.org>
Message-ID: <20240401122603.6634-1-christian@bendiksen.me>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/cs35l41_hda_property.c | 4 ++++
sound/pci/hda/patch_realtek.c | 2 ++
2 files changed, 6 insertions(+)
diff --git a/sound/pci/hda/cs35l41_hda_property.c b/sound/pci/hda/cs35l41_hda_property.c
index 72ec872afb8d2..d6ea3ab72f752 100644
--- a/sound/pci/hda/cs35l41_hda_property.c
+++ b/sound/pci/hda/cs35l41_hda_property.c
@@ -109,6 +109,8 @@ static const struct cs35l41_config cs35l41_config_table[] = {
{ "10431F1F", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 0, 0, 0 },
{ "10431F62", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
{ "17AA386F", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
+ { "17AA3877", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
+ { "17AA3878", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
{ "17AA38A9", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
{ "17AA38AB", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 2, -1, 0, 0, 0 },
{ "17AA38B4", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
@@ -497,6 +499,8 @@ static const struct cs35l41_prop_model cs35l41_prop_model_table[] = {
{ "CSC3551", "10431F1F", generic_dsd_config },
{ "CSC3551", "10431F62", generic_dsd_config },
{ "CSC3551", "17AA386F", generic_dsd_config },
+ { "CSC3551", "17AA3877", generic_dsd_config },
+ { "CSC3551", "17AA3878", generic_dsd_config },
{ "CSC3551", "17AA38A9", generic_dsd_config },
{ "CSC3551", "17AA38AB", generic_dsd_config },
{ "CSC3551", "17AA38B4", generic_dsd_config },
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index e866b8a75cda3..405620bd543c1 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10384,6 +10384,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x3869, "Lenovo Yoga7 14IAL7", ALC287_FIXUP_YOGA9_14IAP7_BASS_SPK_PIN),
SND_PCI_QUIRK(0x17aa, 0x386f, "Legion 7i 16IAX7", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x17aa, 0x3870, "Lenovo Yoga 7 14ARB7", ALC287_FIXUP_YOGA7_14ARB7_I2C),
+ SND_PCI_QUIRK(0x17aa, 0x3877, "Lenovo Legion 7 Slim 16ARHA7", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x17aa, 0x3878, "Lenovo Legion 7 Slim 16ARHA7", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x17aa, 0x387d, "Yoga S780-16 pro Quad AAC", ALC287_FIXUP_TAS2781_I2C),
SND_PCI_QUIRK(0x17aa, 0x387e, "Yoga S780-16 pro Quad YC", ALC287_FIXUP_TAS2781_I2C),
SND_PCI_QUIRK(0x17aa, 0x3881, "YB9 dual power mode2 YC", ALC287_FIXUP_TAS2781_I2C),
--
GitLab
From 1576f263ee2147dc395531476881058609ad3d38 Mon Sep 17 00:00:00 2001
From: I Gede Agastya Darma Laksana <gedeagas22@gmail.com>
Date: Tue, 2 Apr 2024 00:46:02 +0700
Subject: [PATCH 1952/2686] ALSA: hda/realtek: Update Panasonic CF-SZ6 quirk to
support headset with microphone
This patch addresses an issue with the Panasonic CF-SZ6's existing quirk,
specifically its headset microphone functionality. Previously, the quirk
used ALC269_FIXUP_HEADSET_MODE, which does not support the CF-SZ6's design
of a single 3.5mm jack for both mic and audio output effectively. The
device uses pin 0x19 for the headset mic without jack detection.
Following verification on the CF-SZ6 and discussions with the original
patch author, i determined that the update to
ALC269_FIXUP_ASPIRE_HEADSET_MIC is the appropriate solution. This change
is custom-designed for the CF-SZ6's unique hardware setup, which includes
a single 3.5mm jack for both mic and audio output, connecting the headset
microphone to pin 0x19 without the use of jack detection.
Fixes: 0fca97a29b83 ("ALSA: hda/realtek - Add Panasonic CF-SZ6 headset jack quirk")
Signed-off-by: I Gede Agastya Darma Laksana <gedeagas22@gmail.com>
Cc: <stable@vger.kernel.org>
Message-ID: <20240401174602.14133-1-gedeagas22@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/patch_realtek.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 405620bd543c1..e1729d209922d 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10210,7 +10210,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x10ec, 0x1254, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),
SND_PCI_QUIRK(0x10ec, 0x12cc, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),
SND_PCI_QUIRK(0x10ec, 0x12f6, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),
- SND_PCI_QUIRK(0x10f7, 0x8338, "Panasonic CF-SZ6", ALC269_FIXUP_HEADSET_MODE),
+ SND_PCI_QUIRK(0x10f7, 0x8338, "Panasonic CF-SZ6", ALC269_FIXUP_ASPIRE_HEADSET_MIC),
SND_PCI_QUIRK(0x144d, 0xc109, "Samsung Ativ book 9 (NP900X3G)", ALC269_FIXUP_INV_DMIC),
SND_PCI_QUIRK(0x144d, 0xc169, "Samsung Notebook 9 Pen (NP930SBE-K01US)", ALC298_FIXUP_SAMSUNG_AMP),
SND_PCI_QUIRK(0x144d, 0xc176, "Samsung Notebook 9 Pro (NP930MBE-K04US)", ALC298_FIXUP_SAMSUNG_AMP),
--
GitLab
From 0bfe105018bd2d7b1e4373193d9b55b37cf4458b Mon Sep 17 00:00:00 2001
From: "Luke D. Jones" <luke@ljones.dev>
Date: Tue, 2 Apr 2024 14:51:26 +1300
Subject: [PATCH 1953/2686] ALSA: hda/realtek: cs35l41: Support ASUS ROG
G634JYR
Fixes the realtek quirk to initialise the Cirrus amp correctly and adds
related quirk for missing DSD properties. This model laptop has slightly
updated internals compared to the previous version with Realtek Codec
ID of 0x1caf.
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Cc: <stable@vger.kernel.org>
Message-ID: <20240402015126.21115-1-luke@ljones.dev>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/cs35l41_hda_property.c | 2 ++
sound/pci/hda/patch_realtek.c | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/sound/pci/hda/cs35l41_hda_property.c b/sound/pci/hda/cs35l41_hda_property.c
index d6ea3ab72f752..8fb688e414148 100644
--- a/sound/pci/hda/cs35l41_hda_property.c
+++ b/sound/pci/hda/cs35l41_hda_property.c
@@ -108,6 +108,7 @@ static const struct cs35l41_config cs35l41_config_table[] = {
{ "10431F12", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 1000, 4500, 24 },
{ "10431F1F", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, -1, 0, 0, 0, 0 },
{ "10431F62", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 0, 0, 0 },
+ { "10433A60", 2, INTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 1, 2, 0, 1000, 4500, 24 },
{ "17AA386F", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, -1, -1, 0, 0, 0 },
{ "17AA3877", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
{ "17AA3878", 2, EXTERNAL, { CS35L41_LEFT, CS35L41_RIGHT, 0, 0 }, 0, 1, -1, 0, 0, 0 },
@@ -498,6 +499,7 @@ static const struct cs35l41_prop_model cs35l41_prop_model_table[] = {
{ "CSC3551", "10431F12", generic_dsd_config },
{ "CSC3551", "10431F1F", generic_dsd_config },
{ "CSC3551", "10431F62", generic_dsd_config },
+ { "CSC3551", "10433A60", generic_dsd_config },
{ "CSC3551", "17AA386F", generic_dsd_config },
{ "CSC3551", "17AA3877", generic_dsd_config },
{ "CSC3551", "17AA3878", generic_dsd_config },
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index e1729d209922d..cdcb28aa9d7bf 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10184,7 +10184,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1043, 0x3a30, "ASUS G814JVR/JIR", ALC245_FIXUP_CS35L41_SPI_2),
SND_PCI_QUIRK(0x1043, 0x3a40, "ASUS G814JZR", ALC245_FIXUP_CS35L41_SPI_2),
SND_PCI_QUIRK(0x1043, 0x3a50, "ASUS G834JYR/JZR", ALC245_FIXUP_CS35L41_SPI_2),
- SND_PCI_QUIRK(0x1043, 0x3a60, "ASUS G634JYR/JZR", ALC245_FIXUP_CS35L41_SPI_2),
+ SND_PCI_QUIRK(0x1043, 0x3a60, "ASUS G634JYR/JZR", ALC285_FIXUP_ASUS_SPI_REAR_SPEAKERS),
SND_PCI_QUIRK(0x1043, 0x831a, "ASUS P901", ALC269_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x1043, 0x834a, "ASUS S101", ALC269_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x1043, 0x8398, "ASUS P1005", ALC269_FIXUP_STEREO_DMIC),
--
GitLab
From c6ddd6e7b166532a0816825442ff60f70aed9647 Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@nxp.com>
Date: Fri, 22 Mar 2024 12:47:05 -0400
Subject: [PATCH 1954/2686] arm64: dts: imx8-ss-conn: fix usdhc wrong lpcg
clock order
The actual clock show wrong frequency:
echo on >/sys/devices/platform/bus\@5b000000/5b010000.mmc/power/control
cat /sys/kernel/debug/mmc0/ios
clock: 200000000 Hz
actual clock: 166000000 Hz
^^^^^^^^^
.....
According to
sdhc0_lpcg: clock-controller@5b200000 {
compatible = "fsl,imx8qxp-lpcg";
reg = <0x5b200000 0x10000>;
#clock-cells = <1>;
clocks = <&clk IMX_SC_R_SDHC_0 IMX_SC_PM_CLK_PER>,
<&conn_ipg_clk>, <&conn_axi_clk>;
clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>,
<IMX_LPCG_CLK_5>;
clock-output-names = "sdhc0_lpcg_per_clk",
"sdhc0_lpcg_ipg_clk",
"sdhc0_lpcg_ahb_clk";
power-domains = <&pd IMX_SC_R_SDHC_0>;
}
"per_clk" should be IMX_LPCG_CLK_0 instead of IMX_LPCG_CLK_5.
After correct clocks order:
echo on >/sys/devices/platform/bus\@5b000000/5b010000.mmc/power/control
cat /sys/kernel/debug/mmc0/ios
clock: 200000000 Hz
actual clock: 198000000 Hz
^^^^^^^^
...
Fixes: 16c4ea7501b1 ("arm64: dts: imx8: switch to new lpcg clock binding")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
index 3c42240e78e24..af2259e997967 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
@@ -67,8 +67,8 @@ usdhc1: mmc@5b010000 {
interrupts = <GIC_SPI 232 IRQ_TYPE_LEVEL_HIGH>;
reg = <0x5b010000 0x10000>;
clocks = <&sdhc0_lpcg IMX_LPCG_CLK_4>,
- <&sdhc0_lpcg IMX_LPCG_CLK_0>,
- <&sdhc0_lpcg IMX_LPCG_CLK_5>;
+ <&sdhc0_lpcg IMX_LPCG_CLK_5>,
+ <&sdhc0_lpcg IMX_LPCG_CLK_0>;
clock-names = "ipg", "ahb", "per";
power-domains = <&pd IMX_SC_R_SDHC_0>;
status = "disabled";
@@ -78,8 +78,8 @@ usdhc2: mmc@5b020000 {
interrupts = <GIC_SPI 233 IRQ_TYPE_LEVEL_HIGH>;
reg = <0x5b020000 0x10000>;
clocks = <&sdhc1_lpcg IMX_LPCG_CLK_4>,
- <&sdhc1_lpcg IMX_LPCG_CLK_0>,
- <&sdhc1_lpcg IMX_LPCG_CLK_5>;
+ <&sdhc1_lpcg IMX_LPCG_CLK_5>,
+ <&sdhc1_lpcg IMX_LPCG_CLK_0>;
clock-names = "ipg", "ahb", "per";
power-domains = <&pd IMX_SC_R_SDHC_1>;
fsl,tuning-start-tap = <20>;
@@ -91,8 +91,8 @@ usdhc3: mmc@5b030000 {
interrupts = <GIC_SPI 234 IRQ_TYPE_LEVEL_HIGH>;
reg = <0x5b030000 0x10000>;
clocks = <&sdhc2_lpcg IMX_LPCG_CLK_4>,
- <&sdhc2_lpcg IMX_LPCG_CLK_0>,
- <&sdhc2_lpcg IMX_LPCG_CLK_5>;
+ <&sdhc2_lpcg IMX_LPCG_CLK_5>,
+ <&sdhc2_lpcg IMX_LPCG_CLK_0>;
clock-names = "ipg", "ahb", "per";
power-domains = <&pd IMX_SC_R_SDHC_2>;
status = "disabled";
--
GitLab
From c4e51e424e2c772ce1836912a8b0b87cd61bc9d5 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 2 Apr 2024 08:36:25 +0200
Subject: [PATCH 1955/2686] ALSA: line6: Zero-initialize message buffers
For shutting up spurious KMSAN uninit-value warnings, just replace
kmalloc() calls with kzalloc() for the buffers used for
communications. There should be no real issue with the original code,
but it's still better to cover.
Reported-by: syzbot+7fb05ccf7b3d2f9617b3@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/r/00000000000084b18706150bcca5@google.com
Message-ID: <20240402063628.26609-1-tiwai@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/usb/line6/driver.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c
index b67617b68e509..f4437015d43a7 100644
--- a/sound/usb/line6/driver.c
+++ b/sound/usb/line6/driver.c
@@ -202,7 +202,7 @@ int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer,
struct urb *urb;
/* create message: */
- msg = kmalloc(sizeof(struct message), GFP_ATOMIC);
+ msg = kzalloc(sizeof(struct message), GFP_ATOMIC);
if (msg == NULL)
return -ENOMEM;
@@ -688,7 +688,7 @@ static int line6_init_cap_control(struct usb_line6 *line6)
int ret;
/* initialize USB buffers: */
- line6->buffer_listen = kmalloc(LINE6_BUFSIZE_LISTEN, GFP_KERNEL);
+ line6->buffer_listen = kzalloc(LINE6_BUFSIZE_LISTEN, GFP_KERNEL);
if (!line6->buffer_listen)
return -ENOMEM;
@@ -697,7 +697,7 @@ static int line6_init_cap_control(struct usb_line6 *line6)
return -ENOMEM;
if (line6->properties->capabilities & LINE6_CAP_CONTROL_MIDI) {
- line6->buffer_message = kmalloc(LINE6_MIDI_MESSAGE_MAXLEN, GFP_KERNEL);
+ line6->buffer_message = kzalloc(LINE6_MIDI_MESSAGE_MAXLEN, GFP_KERNEL);
if (!line6->buffer_message)
return -ENOMEM;
--
GitLab
From 73eaa2b583493b680c6f426531d6736c39643bfb Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Mon, 1 Apr 2024 15:16:19 -0600
Subject: [PATCH 1956/2686] io_uring: use private workqueue for exit work
Rather than use the system unbound event workqueue, use an io_uring
specific one. This avoids dependencies with the tty, which also uses
the system_unbound_wq, and issues flushes of said workqueue from inside
its poll handling.
Cc: stable@vger.kernel.org
Reported-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>
Tested-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>
Tested-by: Iskren Chernev <me@iskren.info>
Link: https://github.com/axboe/liburing/issues/1113
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/io_uring.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 8baf8afb79c2a..d1defb99b89ee 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -147,6 +147,7 @@ static bool io_uring_try_cancel_requests(struct io_ring_ctx *ctx,
static void io_queue_sqe(struct io_kiocb *req);
struct kmem_cache *req_cachep;
+static struct workqueue_struct *iou_wq __ro_after_init;
static int __read_mostly sysctl_io_uring_disabled;
static int __read_mostly sysctl_io_uring_group = -1;
@@ -3166,7 +3167,7 @@ static __cold void io_ring_ctx_wait_and_kill(struct io_ring_ctx *ctx)
* noise and overhead, there's no discernable change in runtime
* over using system_wq.
*/
- queue_work(system_unbound_wq, &ctx->exit_work);
+ queue_work(iou_wq, &ctx->exit_work);
}
static int io_uring_release(struct inode *inode, struct file *file)
@@ -4190,6 +4191,8 @@ static int __init io_uring_init(void)
io_buf_cachep = KMEM_CACHE(io_buffer,
SLAB_HWCACHE_ALIGN | SLAB_PANIC | SLAB_ACCOUNT);
+ iou_wq = alloc_workqueue("iou_exit", WQ_UNBOUND, 64);
+
#ifdef CONFIG_SYSCTL
register_sysctl_init("kernel", kernel_io_uring_disabled_table);
#endif
--
GitLab
From fbbd5d3ad9435748b8ae6451bc004ee9ac49b6b7 Mon Sep 17 00:00:00 2001
From: Damien Le Moal <dlemoal@kernel.org>
Date: Sat, 30 Mar 2024 09:53:00 +0900
Subject: [PATCH 1957/2686] nullblk: Fix cleanup order in null_add_dev() error
path
In null_add_dev(), if an error happen after initializing the resources
for a zoned null block device, we must free these resources before
exiting the function. To ensure this, move the out_cleanup_zone label
after out_cleanup_disk as we jump to this latter label if an error
happens after calling null_init_zoned_dev().
Fixes: e440626b1caf ("null_blk: pass queue_limits to blk_mq_alloc_disk")
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240330005300.1503252-1-dlemoal@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
drivers/block/null_blk/main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
index 71c39bcd872c7..ed33cf7192d21 100644
--- a/drivers/block/null_blk/main.c
+++ b/drivers/block/null_blk/main.c
@@ -1965,10 +1965,10 @@ static int null_add_dev(struct nullb_device *dev)
out_ida_free:
ida_free(&nullb_indexes, nullb->index);
-out_cleanup_zone:
- null_free_zoned_dev(dev);
out_cleanup_disk:
put_disk(nullb->disk);
+out_cleanup_zone:
+ null_free_zoned_dev(dev);
out_cleanup_tags:
if (nullb->tag_set == &nullb->__tag_set)
blk_mq_free_tag_set(nullb->tag_set);
--
GitLab
From 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155 Mon Sep 17 00:00:00 2001
From: Li Nan <linan122@huawei.com>
Date: Fri, 29 Mar 2024 09:23:19 +0800
Subject: [PATCH 1958/2686] block: fix overflow in blk_ioctl_discard()
There is no check for overflow of 'start + len' in blk_ioctl_discard().
Hung task occurs if submit an discard ioctl with the following param:
start = 0x80000000000ff000, len = 0x8000000000fff000;
Add the overflow validation now.
Signed-off-by: Li Nan <linan122@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240329012319.2034550-1-linan666@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/ioctl.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/block/ioctl.c b/block/ioctl.c
index 0c76137adcaaa..a9028a2c2db57 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -96,7 +96,7 @@ static int blk_ioctl_discard(struct block_device *bdev, blk_mode_t mode,
unsigned long arg)
{
uint64_t range[2];
- uint64_t start, len;
+ uint64_t start, len, end;
struct inode *inode = bdev->bd_inode;
int err;
@@ -117,7 +117,8 @@ static int blk_ioctl_discard(struct block_device *bdev, blk_mode_t mode,
if (len & 511)
return -EINVAL;
- if (start + len > bdev_nr_bytes(bdev))
+ if (check_add_overflow(start, len, &end) ||
+ end > bdev_nr_bytes(bdev))
return -EINVAL;
filemap_invalidate_lock(inode->i_mapping);
--
GitLab
From c1832f67035dc04fb89e6b591b64e4d515843cda Mon Sep 17 00:00:00 2001
From: Namjae Jeon <linkinjeon@kernel.org>
Date: Sun, 31 Mar 2024 21:58:26 +0900
Subject: [PATCH 1959/2686] ksmbd: don't send oplock break if rename fails
Don't send oplock break if rename fails. This patch fix
smb2.oplock.batch20 test.
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/server/smb2pdu.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index d478fa0c57abd..5723bbf372d7c 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -5857,8 +5857,9 @@ static int smb2_rename(struct ksmbd_work *work,
if (!file_info->ReplaceIfExists)
flags = RENAME_NOREPLACE;
- smb_break_all_levII_oplock(work, fp, 0);
rc = ksmbd_vfs_rename(work, &fp->filp->f_path, new_name, flags);
+ if (!rc)
+ smb_break_all_levII_oplock(work, fp, 0);
out:
kfree(new_name);
return rc;
--
GitLab
From a677ebd8ca2f2632ccdecbad7b87641274e15aac Mon Sep 17 00:00:00 2001
From: Namjae Jeon <linkinjeon@kernel.org>
Date: Sun, 31 Mar 2024 21:59:10 +0900
Subject: [PATCH 1960/2686] ksmbd: validate payload size in ipc response
If installing malicious ksmbd-tools, ksmbd.mountd can return invalid ipc
response to ksmbd kernel server. ksmbd should validate payload size of
ipc response from ksmbd.mountd to avoid memory overrun or
slab-out-of-bounds. This patch validate 3 ipc response that has payload.
Cc: stable@vger.kernel.org
Reported-by: Chao Ma <machao2019@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/server/ksmbd_netlink.h | 3 ++-
fs/smb/server/mgmt/share_config.c | 7 +++++-
fs/smb/server/transport_ipc.c | 37 +++++++++++++++++++++++++++++++
3 files changed, 45 insertions(+), 2 deletions(-)
diff --git a/fs/smb/server/ksmbd_netlink.h b/fs/smb/server/ksmbd_netlink.h
index 8ca8a45c4c621..686b321c5a8bb 100644
--- a/fs/smb/server/ksmbd_netlink.h
+++ b/fs/smb/server/ksmbd_netlink.h
@@ -167,7 +167,8 @@ struct ksmbd_share_config_response {
__u16 force_uid;
__u16 force_gid;
__s8 share_name[KSMBD_REQ_MAX_SHARE_NAME];
- __u32 reserved[112]; /* Reserved room */
+ __u32 reserved[111]; /* Reserved room */
+ __u32 payload_sz;
__u32 veto_list_sz;
__s8 ____payload[];
};
diff --git a/fs/smb/server/mgmt/share_config.c b/fs/smb/server/mgmt/share_config.c
index 328a412259dc1..a2f0a2edceb8a 100644
--- a/fs/smb/server/mgmt/share_config.c
+++ b/fs/smb/server/mgmt/share_config.c
@@ -158,7 +158,12 @@ static struct ksmbd_share_config *share_config_request(struct unicode_map *um,
share->name = kstrdup(name, GFP_KERNEL);
if (!test_share_config_flag(share, KSMBD_SHARE_FLAG_PIPE)) {
- share->path = kstrdup(ksmbd_share_config_path(resp),
+ int path_len = PATH_MAX;
+
+ if (resp->payload_sz)
+ path_len = resp->payload_sz - resp->veto_list_sz;
+
+ share->path = kstrndup(ksmbd_share_config_path(resp), path_len,
GFP_KERNEL);
if (share->path)
share->path_sz = strlen(share->path);
diff --git a/fs/smb/server/transport_ipc.c b/fs/smb/server/transport_ipc.c
index f29bb03f0dc47..8752ac82c557b 100644
--- a/fs/smb/server/transport_ipc.c
+++ b/fs/smb/server/transport_ipc.c
@@ -65,6 +65,7 @@ struct ipc_msg_table_entry {
struct hlist_node ipc_table_hlist;
void *response;
+ unsigned int msg_sz;
};
static struct delayed_work ipc_timer_work;
@@ -275,6 +276,7 @@ static int handle_response(int type, void *payload, size_t sz)
}
memcpy(entry->response, payload, sz);
+ entry->msg_sz = sz;
wake_up_interruptible(&entry->wait);
ret = 0;
break;
@@ -453,6 +455,34 @@ static int ipc_msg_send(struct ksmbd_ipc_msg *msg)
return ret;
}
+static int ipc_validate_msg(struct ipc_msg_table_entry *entry)
+{
+ unsigned int msg_sz = entry->msg_sz;
+
+ if (entry->type == KSMBD_EVENT_RPC_REQUEST) {
+ struct ksmbd_rpc_command *resp = entry->response;
+
+ msg_sz = sizeof(struct ksmbd_rpc_command) + resp->payload_sz;
+ } else if (entry->type == KSMBD_EVENT_SPNEGO_AUTHEN_REQUEST) {
+ struct ksmbd_spnego_authen_response *resp = entry->response;
+
+ msg_sz = sizeof(struct ksmbd_spnego_authen_response) +
+ resp->session_key_len + resp->spnego_blob_len;
+ } else if (entry->type == KSMBD_EVENT_SHARE_CONFIG_REQUEST) {
+ struct ksmbd_share_config_response *resp = entry->response;
+
+ if (resp->payload_sz) {
+ if (resp->payload_sz < resp->veto_list_sz)
+ return -EINVAL;
+
+ msg_sz = sizeof(struct ksmbd_share_config_response) +
+ resp->payload_sz;
+ }
+ }
+
+ return entry->msg_sz != msg_sz ? -EINVAL : 0;
+}
+
static void *ipc_msg_send_request(struct ksmbd_ipc_msg *msg, unsigned int handle)
{
struct ipc_msg_table_entry entry;
@@ -477,6 +507,13 @@ static void *ipc_msg_send_request(struct ksmbd_ipc_msg *msg, unsigned int handle
ret = wait_event_interruptible_timeout(entry.wait,
entry.response != NULL,
IPC_WAIT_TIMEOUT);
+ if (entry.response) {
+ ret = ipc_validate_msg(&entry);
+ if (ret) {
+ kvfree(entry.response);
+ entry.response = NULL;
+ }
+ }
out:
down_write(&ipc_msg_table_lock);
hash_del(&entry.ipc_table_hlist);
--
GitLab
From 5ed11af19e56f0434ce0959376d136005745a936 Mon Sep 17 00:00:00 2001
From: Namjae Jeon <linkinjeon@kernel.org>
Date: Tue, 2 Apr 2024 09:31:22 +0900
Subject: [PATCH 1961/2686] ksmbd: do not set SMB2_GLOBAL_CAP_ENCRYPTION for
SMB 3.1.1
SMB2_GLOBAL_CAP_ENCRYPTION flag should be used only for 3.0 and
3.0.2 dialects. This flags set cause compatibility problems with
other SMB clients.
Reported-by: James Christopher Adduono <jc@adduono.com>
Tested-by: James Christopher Adduono <jc@adduono.com>
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/server/smb2ops.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/fs/smb/server/smb2ops.c b/fs/smb/server/smb2ops.c
index a45f7dca482e0..606aa3c5189a2 100644
--- a/fs/smb/server/smb2ops.c
+++ b/fs/smb/server/smb2ops.c
@@ -228,6 +228,11 @@ void init_smb3_0_server(struct ksmbd_conn *conn)
conn->cli_cap & SMB2_GLOBAL_CAP_ENCRYPTION)
conn->vals->capabilities |= SMB2_GLOBAL_CAP_ENCRYPTION;
+ if (server_conf.flags & KSMBD_GLOBAL_FLAG_SMB2_ENCRYPTION ||
+ (!(server_conf.flags & KSMBD_GLOBAL_FLAG_SMB2_ENCRYPTION_OFF) &&
+ conn->cli_cap & SMB2_GLOBAL_CAP_ENCRYPTION))
+ conn->vals->capabilities |= SMB2_GLOBAL_CAP_ENCRYPTION;
+
if (server_conf.flags & KSMBD_GLOBAL_FLAG_SMB3_MULTICHANNEL)
conn->vals->capabilities |= SMB2_GLOBAL_CAP_MULTI_CHANNEL;
}
@@ -278,11 +283,6 @@ int init_smb3_11_server(struct ksmbd_conn *conn)
conn->vals->capabilities |= SMB2_GLOBAL_CAP_LEASING |
SMB2_GLOBAL_CAP_DIRECTORY_LEASING;
- if (server_conf.flags & KSMBD_GLOBAL_FLAG_SMB2_ENCRYPTION ||
- (!(server_conf.flags & KSMBD_GLOBAL_FLAG_SMB2_ENCRYPTION_OFF) &&
- conn->cli_cap & SMB2_GLOBAL_CAP_ENCRYPTION))
- conn->vals->capabilities |= SMB2_GLOBAL_CAP_ENCRYPTION;
-
if (server_conf.flags & KSMBD_GLOBAL_FLAG_SMB3_MULTICHANNEL)
conn->vals->capabilities |= SMB2_GLOBAL_CAP_MULTI_CHANNEL;
--
GitLab
From d725ce9d7c78fb4e22c6c7676106e135ade14fa8 Mon Sep 17 00:00:00 2001
From: Imre Deak <imre.deak@intel.com>
Date: Mon, 11 Mar 2024 16:56:26 +0200
Subject: [PATCH 1962/2686] drm/i915/dp: Fix DSC state HW readout for SST
connectors
Commit 0848814aa296 ("drm/i915/dp: Fix connector DSC HW state readout")
moved the DSC HW state readout to a connector specific hook, however
only added the hook for DP MST connectors, not for DP SST ones. Fix
adding the hook for SST connectors as well.
This fixes the following warn on platforms where BIOS enables DSC:
[ 66.208601] i915 0000:00:02.0: drm_WARN_ON(!connector->dp.dsc_decompression_aux || !connector->dp.dsc_decompression_enabled)
...
[ 66.209024] RIP: 0010:intel_dp_sink_disable_decompression+0x76/0x110 [i915]
...
[ 66.209333] ? intel_dp_sink_disable_decompression+0x76/0x110 [i915]
...
[ 66.210068] intel_disable_ddi+0x135/0x1d0 [i915]
[ 66.210302] intel_encoders_disable+0x9b/0xc0 [i915]
[ 66.210565] hsw_crtc_disable+0x153/0x170 [i915]
[ 66.210823] intel_old_crtc_state_disables+0x52/0xb0 [i915]
[ 66.211107] intel_atomic_commit_tail+0x5cf/0x1330 [i915]
[ 66.211366] intel_atomic_commit+0x39d/0x3f0 [i915]
[ 66.211612] ? intel_atomic_commit+0x39d/0x3f0 [i915]
[ 66.211872] drm_atomic_commit+0x9d/0xd0 [drm]
[ 66.211921] ? __pfx___drm_printfn_info+0x10/0x10 [drm]
[ 66.211975] intel_initial_commit+0x1a8/0x260 [i915]
[ 66.212234] intel_display_driver_probe+0x2a/0x80 [i915]
[ 66.212479] i915_driver_probe+0x7c6/0xc60 [i915]
[ 66.212664] ? drm_privacy_screen_get+0x168/0x190 [drm]
[ 66.212711] i915_pci_probe+0xe2/0x1c0 [i915]
Fixes: 0848814aa296 ("drm/i915/dp: Fix connector DSC HW state readout")
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10410
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240311145626.2454923-1-imre.deak@intel.com
(cherry picked from commit 7a51a2aa2384ea8bee76698ae586a2bea5b8ddb5)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index f98ef4b42a448..af7ca00e9bc0a 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -6557,6 +6557,7 @@ intel_dp_init_connector(struct intel_digital_port *dig_port,
intel_connector->get_hw_state = intel_ddi_connector_get_hw_state;
else
intel_connector->get_hw_state = intel_connector_get_hw_state;
+ intel_connector->sync_state = intel_dp_connector_sync_state;
if (!intel_edp_init_connector(intel_dp, intel_connector)) {
intel_dp_aux_fini(intel_dp);
--
GitLab
From caf3d748f646889425312897e81307441160d485 Mon Sep 17 00:00:00 2001
From: Arun R Murthy <arun.r.murthy@intel.com>
Date: Wed, 28 Feb 2024 20:13:50 +0530
Subject: [PATCH 1963/2686] drm/i915/dp: Remove support for UHBR13.5
UHBR13.5 is not supported in MTL and also the DP2.1 spec says UHBR13.5
is optional. Hence removing UHBR135 from the supported link rates.
v2: Reframed the commit message and added link to the issue.
Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com>
Fixes: 62618c7f117e ("drm/i915/mtl: C20 PLL programming")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240228144350.3184930-1-arun.r.murthy@intel.com
(cherry picked from commit ddf8a8bbb5643265883bab0c59adf0648422c4bb)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index af7ca00e9bc0a..4016cf6b6c618 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -499,7 +499,7 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp)
/* The values must be in increasing order */
static const int mtl_rates[] = {
162000, 216000, 243000, 270000, 324000, 432000, 540000, 675000,
- 810000, 1000000, 1350000, 2000000,
+ 810000, 1000000, 2000000,
};
static const int icl_rates[] = {
162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000,
--
GitLab
From e9e62243a3e2322cf639f653a0b0a88a76446ce7 Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Tue, 2 Apr 2024 10:11:35 +0100
Subject: [PATCH 1964/2686] cifs: Fix caching to try to do open O_WRONLY as
rdwr on server
When we're engaged in local caching of a cifs filesystem, we cannot perform
caching of a partially written cache granule unless we can read the rest of
the granule. This can result in unexpected access errors being reported to
the user.
Fix this by the following: if a file is opened O_WRONLY locally, but the
mount was given the "-o fsc" flag, try first opening the remote file with
GENERIC_READ|GENERIC_WRITE and if that returns -EACCES, try dropping the
GENERIC_READ and doing the open again. If that last succeeds, invalidate
the cache for that file as for O_DIRECT.
Fixes: 70431bfd825d ("cifs: Support fscache indexing rewrite")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/dir.c | 15 +++++++++++++
fs/smb/client/file.c | 48 ++++++++++++++++++++++++++++++++---------
fs/smb/client/fscache.h | 6 ++++++
3 files changed, 59 insertions(+), 10 deletions(-)
diff --git a/fs/smb/client/dir.c b/fs/smb/client/dir.c
index d11dc3aa458ba..864b194dbaa0a 100644
--- a/fs/smb/client/dir.c
+++ b/fs/smb/client/dir.c
@@ -189,6 +189,7 @@ static int cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned
int disposition;
struct TCP_Server_Info *server = tcon->ses->server;
struct cifs_open_parms oparms;
+ int rdwr_for_fscache = 0;
*oplock = 0;
if (tcon->ses->server->oplocks)
@@ -200,6 +201,10 @@ static int cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned
return PTR_ERR(full_path);
}
+ /* If we're caching, we need to be able to fill in around partial writes. */
+ if (cifs_fscache_enabled(inode) && (oflags & O_ACCMODE) == O_WRONLY)
+ rdwr_for_fscache = 1;
+
#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
if (tcon->unix_ext && cap_unix(tcon->ses) && !tcon->broken_posix_open &&
(CIFS_UNIX_POSIX_PATH_OPS_CAP &
@@ -276,6 +281,8 @@ static int cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned
desired_access |= GENERIC_READ; /* is this too little? */
if (OPEN_FMODE(oflags) & FMODE_WRITE)
desired_access |= GENERIC_WRITE;
+ if (rdwr_for_fscache == 1)
+ desired_access |= GENERIC_READ;
disposition = FILE_OVERWRITE_IF;
if ((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
@@ -304,6 +311,7 @@ static int cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned
if (!tcon->unix_ext && (mode & S_IWUGO) == 0)
create_options |= CREATE_OPTION_READONLY;
+retry_open:
oparms = (struct cifs_open_parms) {
.tcon = tcon,
.cifs_sb = cifs_sb,
@@ -317,8 +325,15 @@ static int cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned
rc = server->ops->open(xid, &oparms, oplock, buf);
if (rc) {
cifs_dbg(FYI, "cifs_create returned 0x%x\n", rc);
+ if (rc == -EACCES && rdwr_for_fscache == 1) {
+ desired_access &= ~GENERIC_READ;
+ rdwr_for_fscache = 2;
+ goto retry_open;
+ }
goto out;
}
+ if (rdwr_for_fscache == 2)
+ cifs_invalidate_cache(inode, FSCACHE_INVAL_DIO_WRITE);
#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
/*
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index 16aadce492b2e..ab536ce8a04a5 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -206,12 +206,12 @@ cifs_mark_open_files_invalid(struct cifs_tcon *tcon)
*/
}
-static inline int cifs_convert_flags(unsigned int flags)
+static inline int cifs_convert_flags(unsigned int flags, int rdwr_for_fscache)
{
if ((flags & O_ACCMODE) == O_RDONLY)
return GENERIC_READ;
else if ((flags & O_ACCMODE) == O_WRONLY)
- return GENERIC_WRITE;
+ return rdwr_for_fscache == 1 ? (GENERIC_READ | GENERIC_WRITE) : GENERIC_WRITE;
else if ((flags & O_ACCMODE) == O_RDWR) {
/* GENERIC_ALL is too much permission to request
can cause unnecessary access denied on create */
@@ -348,11 +348,16 @@ static int cifs_nt_open(const char *full_path, struct inode *inode, struct cifs_
int create_options = CREATE_NOT_DIR;
struct TCP_Server_Info *server = tcon->ses->server;
struct cifs_open_parms oparms;
+ int rdwr_for_fscache = 0;
if (!server->ops->open)
return -ENOSYS;
- desired_access = cifs_convert_flags(f_flags);
+ /* If we're caching, we need to be able to fill in around partial writes. */
+ if (cifs_fscache_enabled(inode) && (f_flags & O_ACCMODE) == O_WRONLY)
+ rdwr_for_fscache = 1;
+
+ desired_access = cifs_convert_flags(f_flags, rdwr_for_fscache);
/*********************************************************************
* open flag mapping table:
@@ -389,6 +394,7 @@ static int cifs_nt_open(const char *full_path, struct inode *inode, struct cifs_
if (f_flags & O_DIRECT)
create_options |= CREATE_NO_BUFFER;
+retry_open:
oparms = (struct cifs_open_parms) {
.tcon = tcon,
.cifs_sb = cifs_sb,
@@ -400,8 +406,16 @@ static int cifs_nt_open(const char *full_path, struct inode *inode, struct cifs_
};
rc = server->ops->open(xid, &oparms, oplock, buf);
- if (rc)
+ if (rc) {
+ if (rc == -EACCES && rdwr_for_fscache == 1) {
+ desired_access = cifs_convert_flags(f_flags, 0);
+ rdwr_for_fscache = 2;
+ goto retry_open;
+ }
return rc;
+ }
+ if (rdwr_for_fscache == 2)
+ cifs_invalidate_cache(inode, FSCACHE_INVAL_DIO_WRITE);
/* TODO: Add support for calling posix query info but with passing in fid */
if (tcon->unix_ext)
@@ -834,11 +848,11 @@ int cifs_open(struct inode *inode, struct file *file)
use_cache:
fscache_use_cookie(cifs_inode_cookie(file_inode(file)),
file->f_mode & FMODE_WRITE);
- if (file->f_flags & O_DIRECT &&
- (!((file->f_flags & O_ACCMODE) != O_RDONLY) ||
- file->f_flags & O_APPEND))
- cifs_invalidate_cache(file_inode(file),
- FSCACHE_INVAL_DIO_WRITE);
+ if (!(file->f_flags & O_DIRECT))
+ goto out;
+ if ((file->f_flags & (O_ACCMODE | O_APPEND)) == O_RDONLY)
+ goto out;
+ cifs_invalidate_cache(file_inode(file), FSCACHE_INVAL_DIO_WRITE);
out:
free_dentry_path(page);
@@ -903,6 +917,7 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
int disposition = FILE_OPEN;
int create_options = CREATE_NOT_DIR;
struct cifs_open_parms oparms;
+ int rdwr_for_fscache = 0;
xid = get_xid();
mutex_lock(&cfile->fh_mutex);
@@ -966,7 +981,11 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
}
#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
- desired_access = cifs_convert_flags(cfile->f_flags);
+ /* If we're caching, we need to be able to fill in around partial writes. */
+ if (cifs_fscache_enabled(inode) && (cfile->f_flags & O_ACCMODE) == O_WRONLY)
+ rdwr_for_fscache = 1;
+
+ desired_access = cifs_convert_flags(cfile->f_flags, rdwr_for_fscache);
/* O_SYNC also has bit for O_DSYNC so following check picks up either */
if (cfile->f_flags & O_SYNC)
@@ -978,6 +997,7 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
if (server->ops->get_lease_key)
server->ops->get_lease_key(inode, &cfile->fid);
+retry_open:
oparms = (struct cifs_open_parms) {
.tcon = tcon,
.cifs_sb = cifs_sb,
@@ -1003,6 +1023,11 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
/* indicate that we need to relock the file */
oparms.reconnect = true;
}
+ if (rc == -EACCES && rdwr_for_fscache == 1) {
+ desired_access = cifs_convert_flags(cfile->f_flags, 0);
+ rdwr_for_fscache = 2;
+ goto retry_open;
+ }
if (rc) {
mutex_unlock(&cfile->fh_mutex);
@@ -1011,6 +1036,9 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
goto reopen_error_exit;
}
+ if (rdwr_for_fscache == 2)
+ cifs_invalidate_cache(inode, FSCACHE_INVAL_DIO_WRITE);
+
#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
reopen_success:
#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
diff --git a/fs/smb/client/fscache.h b/fs/smb/client/fscache.h
index a3d73720914f8..1f2ea9f5cc9a8 100644
--- a/fs/smb/client/fscache.h
+++ b/fs/smb/client/fscache.h
@@ -109,6 +109,11 @@ static inline void cifs_readahead_to_fscache(struct inode *inode,
__cifs_readahead_to_fscache(inode, pos, len);
}
+static inline bool cifs_fscache_enabled(struct inode *inode)
+{
+ return fscache_cookie_enabled(cifs_inode_cookie(inode));
+}
+
#else /* CONFIG_CIFS_FSCACHE */
static inline
void cifs_fscache_fill_coherency(struct inode *inode,
@@ -124,6 +129,7 @@ static inline void cifs_fscache_release_inode_cookie(struct inode *inode) {}
static inline void cifs_fscache_unuse_inode_cookie(struct inode *inode, bool update) {}
static inline struct fscache_cookie *cifs_inode_cookie(struct inode *inode) { return NULL; }
static inline void cifs_invalidate_cache(struct inode *inode, unsigned int flags) {}
+static inline bool cifs_fscache_enabled(struct inode *inode) { return false; }
static inline int cifs_fscache_query_occupancy(struct inode *inode,
pgoff_t first, unsigned int nr_pages,
--
GitLab
From ff91059932401894e6c86341915615c5eb0eca48 Mon Sep 17 00:00:00 2001
From: Jakub Sitnicki <jakub@cloudflare.com>
Date: Tue, 2 Apr 2024 12:46:21 +0200
Subject: [PATCH 1965/2686] bpf, sockmap: Prevent lock inversion deadlock in
map delete elem
syzkaller started using corpuses where a BPF tracing program deletes
elements from a sockmap/sockhash map. Because BPF tracing programs can be
invoked from any interrupt context, locks taken during a map_delete_elem
operation must be hardirq-safe. Otherwise a deadlock due to lock inversion
is possible, as reported by lockdep:
CPU0 CPU1
---- ----
lock(&htab->buckets[i].lock);
local_irq_disable();
lock(&host->lock);
lock(&htab->buckets[i].lock);
<Interrupt>
lock(&host->lock);
Locks in sockmap are hardirq-unsafe by design. We expects elements to be
deleted from sockmap/sockhash only in task (normal) context with interrupts
enabled, or in softirq context.
Detect when map_delete_elem operation is invoked from a context which is
_not_ hardirq-unsafe, that is interrupts are disabled, and bail out with an
error.
Note that map updates are not affected by this issue. BPF verifier does not
allow updating sockmap/sockhash from a BPF tracing program today.
Fixes: 604326b41a6f ("bpf, sockmap: convert to generic sk_msg interface")
Reported-by: xingwei lee <xrivendell7@gmail.com>
Reported-by: yue sun <samsun1006219@gmail.com>
Reported-by: syzbot+bc922f476bd65abbd466@syzkaller.appspotmail.com
Reported-by: syzbot+d4066896495db380182e@syzkaller.appspotmail.com
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: syzbot+d4066896495db380182e@syzkaller.appspotmail.com
Acked-by: John Fastabend <john.fastabend@gmail.com>
Closes: https://syzkaller.appspot.com/bug?extid=d4066896495db380182e
Closes: https://syzkaller.appspot.com/bug?extid=bc922f476bd65abbd466
Link: https://lore.kernel.org/bpf/20240402104621.1050319-1-jakub@cloudflare.com
---
net/core/sock_map.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/core/sock_map.c b/net/core/sock_map.c
index 27d733c0f65e1..8598466a38057 100644
--- a/net/core/sock_map.c
+++ b/net/core/sock_map.c
@@ -411,6 +411,9 @@ static int __sock_map_delete(struct bpf_stab *stab, struct sock *sk_test,
struct sock *sk;
int err = 0;
+ if (irqs_disabled())
+ return -EOPNOTSUPP; /* locks here are hardirq-unsafe */
+
spin_lock_bh(&stab->lock);
sk = *psk;
if (!sk_test || sk_test == sk)
@@ -933,6 +936,9 @@ static long sock_hash_delete_elem(struct bpf_map *map, void *key)
struct bpf_shtab_elem *elem;
int ret = -ENOENT;
+ if (irqs_disabled())
+ return -EOPNOTSUPP; /* locks here are hardirq-unsafe */
+
hash = sock_hash_bucket_hash(key, key_size);
bucket = sock_hash_select_bucket(htab, hash);
--
GitLab
From b91695b50d5b5c7c6a2cae08637b0a119cec0e12 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <festevam@denx.de>
Date: Mon, 25 Mar 2024 09:14:04 -0300
Subject: [PATCH 1966/2686] ARM: dts: imx7-mba7: Use 'no-mmc' property
'no-emmc' is not a valid property.
The original intention was to use the 'no-mmc' property.
Change it accordingly to fix the following dt-schema warning:
imx7s-mba7.dtb: mmc@30b40000: Unevaluated properties are not allowed ('no-emmc' was unexpected)
Fixes: d430a7e0e181 ("ARM: dts: imx7-mba7: restrict usdhc interface modes")
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi
index 1235a71c6abe9..52869e68f833c 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi
@@ -666,7 +666,7 @@ &usdhc1 {
bus-width = <4>;
no-1-8-v;
no-sdio;
- no-emmc;
+ no-mmc;
status = "okay";
};
--
GitLab
From 8a655cee6c9d4588570ad0cb099c5660f9a44a12 Mon Sep 17 00:00:00 2001
From: Zhang Yi <zhangyi@everest-semi.com>
Date: Tue, 2 Apr 2024 14:20:40 +0800
Subject: [PATCH 1967/2686] ASoC: codecs: ES8326: Solve error interruption
issue
We got an error report about headphone type detection and button detection.
We fixed the headphone type detection error by adjusting the debounce timer
configuration. And we fixed the button detection error by disabling the
button detection feature when the headphone are unplugged and enabling it
when headphone are plugged in.
Signed-off-by: Zhang Yi <zhangyi@everest-semi.com>
Link: https://msgid.link/r/20240402062043.20608-2-zhangyi@everest-semi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/es8326.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/sound/soc/codecs/es8326.c b/sound/soc/codecs/es8326.c
index 15289dadafea0..a6783fd6553de 100644
--- a/sound/soc/codecs/es8326.c
+++ b/sound/soc/codecs/es8326.c
@@ -843,6 +843,7 @@ static void es8326_jack_detect_handler(struct work_struct *work)
regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x01);
regmap_write(es8326->regmap, ES8326_SYS_BIAS, 0x0a);
regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 0x0f, 0x03);
+ regmap_write(es8326->regmap, ES8326_INT_SOURCE, ES8326_INT_SRC_PIN9);
/*
* Inverted HPJACK_POL bit to trigger one IRQ to double check HP Removal event
*/
@@ -865,6 +866,8 @@ static void es8326_jack_detect_handler(struct work_struct *work)
* set auto-check mode, then restart jack_detect_work after 400ms.
* Don't report jack status.
*/
+ regmap_write(es8326->regmap, ES8326_INT_SOURCE,
+ (ES8326_INT_SRC_PIN9 | ES8326_INT_SRC_BUTTON));
regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x01);
es8326_enable_micbias(es8326->component);
usleep_range(50000, 70000);
@@ -987,7 +990,7 @@ static int es8326_resume(struct snd_soc_component *component)
regmap_write(es8326->regmap, ES8326_VMIDSEL, 0x0E);
regmap_write(es8326->regmap, ES8326_ANA_LP, 0xf0);
usleep_range(10000, 15000);
- regmap_write(es8326->regmap, ES8326_HPJACK_TIMER, 0xe9);
+ regmap_write(es8326->regmap, ES8326_HPJACK_TIMER, 0xd9);
regmap_write(es8326->regmap, ES8326_ANA_MICBIAS, 0xcb);
/* set headphone default type and detect pin */
regmap_write(es8326->regmap, ES8326_HPDET_TYPE, 0x83);
@@ -1038,8 +1041,7 @@ static int es8326_resume(struct snd_soc_component *component)
es8326_enable_micbias(es8326->component);
usleep_range(50000, 70000);
regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x00);
- regmap_write(es8326->regmap, ES8326_INT_SOURCE,
- (ES8326_INT_SRC_PIN9 | ES8326_INT_SRC_BUTTON));
+ regmap_write(es8326->regmap, ES8326_INT_SOURCE, ES8326_INT_SRC_PIN9);
regmap_write(es8326->regmap, ES8326_INTOUT_IO,
es8326->interrupt_clk);
regmap_write(es8326->regmap, ES8326_SDINOUT1_IO,
--
GitLab
From 4581468d071b64a2e3c2ae333fff82dc0391a306 Mon Sep 17 00:00:00 2001
From: Zhang Yi <zhangyi@everest-semi.com>
Date: Tue, 2 Apr 2024 14:20:41 +0800
Subject: [PATCH 1968/2686] ASoC: codecs: ES8326: modify clock table
We got a digital microphone feature issue. And we fixed it by modifying
the clock table. Also, we changed the marco ES8326_CLK_ON declaration
Signed-off-by: Zhang Yi <zhangyi@everest-semi.com>
Link: https://msgid.link/r/20240402062043.20608-3-zhangyi@everest-semi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/es8326.c | 22 +++++++++++-----------
sound/soc/codecs/es8326.h | 2 +-
2 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/sound/soc/codecs/es8326.c b/sound/soc/codecs/es8326.c
index a6783fd6553de..275db81d10d49 100644
--- a/sound/soc/codecs/es8326.c
+++ b/sound/soc/codecs/es8326.c
@@ -412,9 +412,9 @@ static const struct _coeff_div coeff_div_v3[] = {
{125, 48000, 6000000, 0x04, 0x04, 0x1F, 0x2D, 0x8A, 0x0A, 0x27, 0x27},
{128, 8000, 1024000, 0x60, 0x00, 0x05, 0x75, 0x8A, 0x1B, 0x1F, 0x7F},
- {128, 16000, 2048000, 0x20, 0x00, 0x31, 0x35, 0x8A, 0x1B, 0x1F, 0x3F},
- {128, 44100, 5644800, 0xE0, 0x00, 0x01, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F},
- {128, 48000, 6144000, 0xE0, 0x00, 0x01, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F},
+ {128, 16000, 2048000, 0x20, 0x00, 0x31, 0x35, 0x08, 0x19, 0x1F, 0x3F},
+ {128, 44100, 5644800, 0xE0, 0x00, 0x01, 0x2D, 0x48, 0x08, 0x1F, 0x1F},
+ {128, 48000, 6144000, 0xE0, 0x00, 0x01, 0x2D, 0x48, 0x08, 0x1F, 0x1F},
{144, 8000, 1152000, 0x20, 0x00, 0x03, 0x35, 0x8A, 0x1B, 0x23, 0x47},
{144, 16000, 2304000, 0x20, 0x00, 0x11, 0x35, 0x8A, 0x1B, 0x23, 0x47},
{192, 8000, 1536000, 0x60, 0x02, 0x0D, 0x75, 0x8A, 0x1B, 0x1F, 0x7F},
@@ -423,10 +423,10 @@ static const struct _coeff_div coeff_div_v3[] = {
{200, 48000, 9600000, 0x04, 0x04, 0x0F, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F},
{250, 48000, 12000000, 0x04, 0x04, 0x0F, 0x2D, 0xCA, 0x0A, 0x27, 0x27},
- {256, 8000, 2048000, 0x60, 0x00, 0x31, 0x35, 0x8A, 0x1B, 0x1F, 0x7F},
- {256, 16000, 4096000, 0x20, 0x00, 0x01, 0x35, 0x8A, 0x1B, 0x1F, 0x3F},
- {256, 44100, 11289600, 0xE0, 0x00, 0x30, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F},
- {256, 48000, 12288000, 0xE0, 0x00, 0x30, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F},
+ {256, 8000, 2048000, 0x60, 0x00, 0x31, 0x35, 0x08, 0x19, 0x1F, 0x7F},
+ {256, 16000, 4096000, 0x20, 0x00, 0x01, 0x35, 0x08, 0x19, 0x1F, 0x3F},
+ {256, 44100, 11289600, 0xE0, 0x01, 0x01, 0x2D, 0x48, 0x08, 0x1F, 0x1F},
+ {256, 48000, 12288000, 0xE0, 0x01, 0x01, 0x2D, 0x48, 0x08, 0x1F, 0x1F},
{288, 8000, 2304000, 0x20, 0x00, 0x01, 0x35, 0x8A, 0x1B, 0x23, 0x47},
{384, 8000, 3072000, 0x60, 0x02, 0x05, 0x75, 0x8A, 0x1B, 0x1F, 0x7F},
{384, 16000, 6144000, 0x20, 0x02, 0x03, 0x35, 0x8A, 0x1B, 0x1F, 0x3F},
@@ -435,10 +435,10 @@ static const struct _coeff_div coeff_div_v3[] = {
{400, 48000, 19200000, 0xE4, 0x04, 0x35, 0x6d, 0xCA, 0x0A, 0x1F, 0x1F},
{500, 48000, 24000000, 0xF8, 0x04, 0x3F, 0x6D, 0xCA, 0x0A, 0x1F, 0x1F},
- {512, 8000, 4096000, 0x60, 0x00, 0x01, 0x35, 0x8A, 0x1B, 0x1F, 0x7F},
- {512, 16000, 8192000, 0x20, 0x00, 0x30, 0x35, 0x8A, 0x1B, 0x1F, 0x3F},
- {512, 44100, 22579200, 0xE0, 0x00, 0x00, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F},
- {512, 48000, 24576000, 0xE0, 0x00, 0x00, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F},
+ {512, 8000, 4096000, 0x60, 0x00, 0x01, 0x08, 0x19, 0x1B, 0x1F, 0x7F},
+ {512, 16000, 8192000, 0x20, 0x00, 0x30, 0x35, 0x08, 0x19, 0x1F, 0x3F},
+ {512, 44100, 22579200, 0xE0, 0x00, 0x00, 0x2D, 0x48, 0x08, 0x1F, 0x1F},
+ {512, 48000, 24576000, 0xE0, 0x00, 0x00, 0x2D, 0x48, 0x08, 0x1F, 0x1F},
{768, 8000, 6144000, 0x60, 0x02, 0x11, 0x35, 0x8A, 0x1B, 0x1F, 0x7F},
{768, 16000, 12288000, 0x20, 0x02, 0x01, 0x35, 0x8A, 0x1B, 0x1F, 0x3F},
{768, 32000, 24576000, 0xE0, 0x02, 0x30, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F},
diff --git a/sound/soc/codecs/es8326.h b/sound/soc/codecs/es8326.h
index ee12caef81053..c3e52e7bdef57 100644
--- a/sound/soc/codecs/es8326.h
+++ b/sound/soc/codecs/es8326.h
@@ -104,7 +104,7 @@
#define ES8326_MUTE (3 << 0)
/* ES8326_CLK_CTL */
-#define ES8326_CLK_ON (0x7e << 0)
+#define ES8326_CLK_ON (0x7f << 0)
#define ES8326_CLK_OFF (0 << 0)
/* ES8326_CLK_INV */
--
GitLab
From 6e5f5bf894eb9260f07ad0da4e2dd2efd616ed59 Mon Sep 17 00:00:00 2001
From: Zhang Yi <zhangyi@everest-semi.com>
Date: Tue, 2 Apr 2024 14:20:42 +0800
Subject: [PATCH 1969/2686] ASoC: codecs: ES8326: Solve a headphone detection
issue after suspend and resume
We got a headphone detection issue after suspend and resume.
And we fixed it by modifying the configuration at es8326_suspend
and invoke es8326_irq at es8326_resume.
Signed-off-by: Zhang Yi <zhangyi@everest-semi.com>
Link: https://msgid.link/r/20240402062043.20608-4-zhangyi@everest-semi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/es8326.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/sound/soc/codecs/es8326.c b/sound/soc/codecs/es8326.c
index 275db81d10d49..fa809ab41a4ae 100644
--- a/sound/soc/codecs/es8326.c
+++ b/sound/soc/codecs/es8326.c
@@ -1062,6 +1062,8 @@ static int es8326_resume(struct snd_soc_component *component)
es8326->hp = 0;
es8326->hpl_vol = 0x03;
es8326->hpr_vol = 0x03;
+
+ es8326_irq(es8326->irq, es8326);
return 0;
}
@@ -1072,6 +1074,9 @@ static int es8326_suspend(struct snd_soc_component *component)
cancel_delayed_work_sync(&es8326->jack_detect_work);
es8326_disable_micbias(component);
es8326->calibrated = false;
+ regmap_write(es8326->regmap, ES8326_CLK_MUX, 0x2d);
+ regmap_write(es8326->regmap, ES8326_DAC2HPMIX, 0x00);
+ regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x3b);
regmap_write(es8326->regmap, ES8326_CLK_CTL, ES8326_CLK_OFF);
regcache_cache_only(es8326->regmap, true);
regcache_mark_dirty(es8326->regmap);
--
GitLab
From fec9c7f668ac5dd107f4da5a3b18379e07ec1a41 Mon Sep 17 00:00:00 2001
From: Zhang Yi <zhangyi@everest-semi.com>
Date: Tue, 2 Apr 2024 14:20:43 +0800
Subject: [PATCH 1970/2686] ASoC: codecs: ES8326: Removing the control of
ADC_SCALE
We removed the configuration of ES8326_ADC_SCALE
in es8326_jack_detect_handler because user changed
the configuration by snd_controls
Signed-off-by: Zhang Yi <zhangyi@everest-semi.com>
Link: https://msgid.link/r/20240402062043.20608-5-zhangyi@everest-semi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/codecs/es8326.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/sound/soc/codecs/es8326.c b/sound/soc/codecs/es8326.c
index fa809ab41a4ae..17bd6b5160772 100644
--- a/sound/soc/codecs/es8326.c
+++ b/sound/soc/codecs/es8326.c
@@ -835,7 +835,6 @@ static void es8326_jack_detect_handler(struct work_struct *work)
dev_dbg(comp->dev, "Report hp remove event\n");
snd_soc_jack_report(es8326->jack, 0, SND_JACK_HEADSET);
/* mute adc when mic path switch */
- regmap_write(es8326->regmap, ES8326_ADC_SCALE, 0x33);
regmap_write(es8326->regmap, ES8326_ADC1_SRC, 0x44);
regmap_write(es8326->regmap, ES8326_ADC2_SRC, 0x66);
es8326->hp = 0;
@@ -894,7 +893,6 @@ static void es8326_jack_detect_handler(struct work_struct *work)
snd_soc_jack_report(es8326->jack,
SND_JACK_HEADSET, SND_JACK_HEADSET);
- regmap_write(es8326->regmap, ES8326_ADC_SCALE, 0x33);
regmap_update_bits(es8326->regmap, ES8326_PGA_PDN,
0x08, 0x08);
regmap_update_bits(es8326->regmap, ES8326_PGAGAIN,
--
GitLab
From d619b0b70dc4f160f2b95d95ccfed2631ab7ac3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Amadeusz=20S=C5=82awi=C5=84ski?=
<amadeuszx.slawinski@linux.intel.com>
Date: Tue, 2 Apr 2024 15:06:40 +0200
Subject: [PATCH 1971/2686] ASoC: Intel: avs: boards: Add modules description
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Modpost warns about missing module description, add it.
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://msgid.link/r/20240402130640.3310999-1-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/intel/avs/boards/da7219.c | 1 +
sound/soc/intel/avs/boards/dmic.c | 1 +
sound/soc/intel/avs/boards/es8336.c | 1 +
sound/soc/intel/avs/boards/i2s_test.c | 1 +
sound/soc/intel/avs/boards/max98357a.c | 1 +
sound/soc/intel/avs/boards/max98373.c | 1 +
sound/soc/intel/avs/boards/max98927.c | 1 +
sound/soc/intel/avs/boards/nau8825.c | 1 +
sound/soc/intel/avs/boards/probe.c | 1 +
sound/soc/intel/avs/boards/rt274.c | 1 +
sound/soc/intel/avs/boards/rt286.c | 1 +
sound/soc/intel/avs/boards/rt298.c | 1 +
sound/soc/intel/avs/boards/rt5514.c | 1 +
sound/soc/intel/avs/boards/rt5663.c | 1 +
sound/soc/intel/avs/boards/rt5682.c | 1 +
sound/soc/intel/avs/boards/ssm4567.c | 1 +
16 files changed, 16 insertions(+)
diff --git a/sound/soc/intel/avs/boards/da7219.c b/sound/soc/intel/avs/boards/da7219.c
index c018f84fe0252..fc072dc58968c 100644
--- a/sound/soc/intel/avs/boards/da7219.c
+++ b/sound/soc/intel/avs/boards/da7219.c
@@ -296,5 +296,6 @@ static struct platform_driver avs_da7219_driver = {
module_platform_driver(avs_da7219_driver);
+MODULE_DESCRIPTION("Intel da7219 machine driver");
MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski@intel.com>");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/dmic.c b/sound/soc/intel/avs/boards/dmic.c
index ba2bc7f689eb6..d9e5e85f52335 100644
--- a/sound/soc/intel/avs/boards/dmic.c
+++ b/sound/soc/intel/avs/boards/dmic.c
@@ -96,4 +96,5 @@ static struct platform_driver avs_dmic_driver = {
module_platform_driver(avs_dmic_driver);
+MODULE_DESCRIPTION("Intel DMIC machine driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/es8336.c b/sound/soc/intel/avs/boards/es8336.c
index 1090082e7d5bf..5c90a60075773 100644
--- a/sound/soc/intel/avs/boards/es8336.c
+++ b/sound/soc/intel/avs/boards/es8336.c
@@ -326,4 +326,5 @@ static struct platform_driver avs_es8336_driver = {
module_platform_driver(avs_es8336_driver);
+MODULE_DESCRIPTION("Intel es8336 machine driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/i2s_test.c b/sound/soc/intel/avs/boards/i2s_test.c
index 28f254eb0d03f..027373d6a16d6 100644
--- a/sound/soc/intel/avs/boards/i2s_test.c
+++ b/sound/soc/intel/avs/boards/i2s_test.c
@@ -204,4 +204,5 @@ static struct platform_driver avs_i2s_test_driver = {
module_platform_driver(avs_i2s_test_driver);
+MODULE_DESCRIPTION("Intel i2s test machine driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/max98357a.c b/sound/soc/intel/avs/boards/max98357a.c
index a83b95f25129f..1ff85e4d8e160 100644
--- a/sound/soc/intel/avs/boards/max98357a.c
+++ b/sound/soc/intel/avs/boards/max98357a.c
@@ -154,4 +154,5 @@ static struct platform_driver avs_max98357a_driver = {
module_platform_driver(avs_max98357a_driver)
+MODULE_DESCRIPTION("Intel max98357a machine driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/max98373.c b/sound/soc/intel/avs/boards/max98373.c
index 3b980a025e6f6..8d31586b73eae 100644
--- a/sound/soc/intel/avs/boards/max98373.c
+++ b/sound/soc/intel/avs/boards/max98373.c
@@ -211,4 +211,5 @@ static struct platform_driver avs_max98373_driver = {
module_platform_driver(avs_max98373_driver)
+MODULE_DESCRIPTION("Intel max98373 machine driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/max98927.c b/sound/soc/intel/avs/boards/max98927.c
index 86dd2b228df3a..572ec58073d06 100644
--- a/sound/soc/intel/avs/boards/max98927.c
+++ b/sound/soc/intel/avs/boards/max98927.c
@@ -208,4 +208,5 @@ static struct platform_driver avs_max98927_driver = {
module_platform_driver(avs_max98927_driver)
+MODULE_DESCRIPTION("Intel max98927 machine driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/nau8825.c b/sound/soc/intel/avs/boards/nau8825.c
index 1c1e2083f474d..55db75efae414 100644
--- a/sound/soc/intel/avs/boards/nau8825.c
+++ b/sound/soc/intel/avs/boards/nau8825.c
@@ -313,4 +313,5 @@ static struct platform_driver avs_nau8825_driver = {
module_platform_driver(avs_nau8825_driver)
+MODULE_DESCRIPTION("Intel nau8825 machine driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/probe.c b/sound/soc/intel/avs/boards/probe.c
index a9469b5ecb402..8be6887bbc6e8 100644
--- a/sound/soc/intel/avs/boards/probe.c
+++ b/sound/soc/intel/avs/boards/probe.c
@@ -69,4 +69,5 @@ static struct platform_driver avs_probe_mb_driver = {
module_platform_driver(avs_probe_mb_driver);
+MODULE_DESCRIPTION("Intel probe machine driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/rt274.c b/sound/soc/intel/avs/boards/rt274.c
index bfcb8845fd15d..1cf5242160875 100644
--- a/sound/soc/intel/avs/boards/rt274.c
+++ b/sound/soc/intel/avs/boards/rt274.c
@@ -276,4 +276,5 @@ static struct platform_driver avs_rt274_driver = {
module_platform_driver(avs_rt274_driver);
+MODULE_DESCRIPTION("Intel rt274 machine driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/rt286.c b/sound/soc/intel/avs/boards/rt286.c
index 28d7d86b1cc99..4740bba105703 100644
--- a/sound/soc/intel/avs/boards/rt286.c
+++ b/sound/soc/intel/avs/boards/rt286.c
@@ -247,4 +247,5 @@ static struct platform_driver avs_rt286_driver = {
module_platform_driver(avs_rt286_driver);
+MODULE_DESCRIPTION("Intel rt286 machine driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/rt298.c b/sound/soc/intel/avs/boards/rt298.c
index 80f490b9e1184..6e409e29f6974 100644
--- a/sound/soc/intel/avs/boards/rt298.c
+++ b/sound/soc/intel/avs/boards/rt298.c
@@ -266,4 +266,5 @@ static struct platform_driver avs_rt298_driver = {
module_platform_driver(avs_rt298_driver);
+MODULE_DESCRIPTION("Intel rt298 machine driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/rt5514.c b/sound/soc/intel/avs/boards/rt5514.c
index 60105f453ae23..097ae5f73241e 100644
--- a/sound/soc/intel/avs/boards/rt5514.c
+++ b/sound/soc/intel/avs/boards/rt5514.c
@@ -192,4 +192,5 @@ static struct platform_driver avs_rt5514_driver = {
module_platform_driver(avs_rt5514_driver);
+MODULE_DESCRIPTION("Intel rt5514 machine driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/rt5663.c b/sound/soc/intel/avs/boards/rt5663.c
index b4762c2a7bf2d..1880c315cc4d1 100644
--- a/sound/soc/intel/avs/boards/rt5663.c
+++ b/sound/soc/intel/avs/boards/rt5663.c
@@ -265,4 +265,5 @@ static struct platform_driver avs_rt5663_driver = {
module_platform_driver(avs_rt5663_driver);
+MODULE_DESCRIPTION("Intel rt5663 machine driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/rt5682.c b/sound/soc/intel/avs/boards/rt5682.c
index 243f979fda98a..594a971ded9eb 100644
--- a/sound/soc/intel/avs/boards/rt5682.c
+++ b/sound/soc/intel/avs/boards/rt5682.c
@@ -341,5 +341,6 @@ static struct platform_driver avs_rt5682_driver = {
module_platform_driver(avs_rt5682_driver)
+MODULE_DESCRIPTION("Intel rt5682 machine driver");
MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski@intel.com>");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/avs/boards/ssm4567.c b/sound/soc/intel/avs/boards/ssm4567.c
index 4a0e136835ff5..d6f7f046c24e5 100644
--- a/sound/soc/intel/avs/boards/ssm4567.c
+++ b/sound/soc/intel/avs/boards/ssm4567.c
@@ -200,4 +200,5 @@ static struct platform_driver avs_ssm4567_driver = {
module_platform_driver(avs_ssm4567_driver)
+MODULE_DESCRIPTION("Intel ssm4567 machine driver");
MODULE_LICENSE("GPL");
--
GitLab
From ac229a2d0939edfb469310c55b16d9321a858a46 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Fri, 22 Mar 2024 07:08:19 +1000
Subject: [PATCH 1972/2686] nvme-multipath: don't inherit LBA-related fields
for the multipath node
Linux 6.9 made the nvme multipath nodes not properly pick up changes when
the LBA size goes smaller after an nvme format. This is because we now
try to inherit the queue settings for the multipath node entirely from
the individual paths. That is the right thing to do for I/O size
limitations, which make up most of the queue limits, but it is wrong for
changes to the namespace configuration, where we do want to pick up the
new format, which will eventually show up on all paths once they are
re-queried.
Fix this by not inheriting the block size and related fields and always
for updating them.
Fixes: 8f03cfa117e0 ("nvme: don't use nvme_update_disk_info for the multipath disk")
Reported-by: Nilay Shroff <nilay@linux.ibm.com>
Tested-by: Nilay Shroff <nilay@linux.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/core.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 943d72bdd794c..0cf46068f1d01 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2201,6 +2201,7 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_ns_info *info)
}
if (!ret && nvme_ns_head_multipath(ns->head)) {
+ struct queue_limits *ns_lim = &ns->disk->queue->limits;
struct queue_limits lim;
blk_mq_freeze_queue(ns->head->disk->queue);
@@ -2212,7 +2213,26 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_ns_info *info)
set_disk_ro(ns->head->disk, nvme_ns_is_readonly(ns, info));
nvme_mpath_revalidate_paths(ns);
+ /*
+ * queue_limits mixes values that are the hardware limitations
+ * for bio splitting with what is the device configuration.
+ *
+ * For NVMe the device configuration can change after e.g. a
+ * Format command, and we really want to pick up the new format
+ * value here. But we must still stack the queue limits to the
+ * least common denominator for multipathing to split the bios
+ * properly.
+ *
+ * To work around this, we explicitly set the device
+ * configuration to those that we just queried, but only stack
+ * the splitting limits in to make sure we still obey possibly
+ * lower limitations of other controllers.
+ */
lim = queue_limits_start_update(ns->head->disk->queue);
+ lim.logical_block_size = ns_lim->logical_block_size;
+ lim.physical_block_size = ns_lim->physical_block_size;
+ lim.io_min = ns_lim->io_min;
+ lim.io_opt = ns_lim->io_opt;
queue_limits_stack_bdev(&lim, ns->disk->part0, 0,
ns->head->disk->disk_name);
ret = queue_limits_commit_update(ns->head->disk->queue, &lim);
--
GitLab
From af133562d5aff41fcdbe51f1a504ae04788b5fc0 Mon Sep 17 00:00:00 2001
From: Petr Tesarik <petr.tesarik1@huawei-partners.com>
Date: Mon, 25 Mar 2024 09:31:04 +0100
Subject: [PATCH 1973/2686] swiotlb: extend buffer pre-padding to
alloc_align_mask if necessary
Allow a buffer pre-padding of up to alloc_align_mask, even if it requires
allocating additional IO TLB slots.
If the allocation alignment is bigger than IO_TLB_SIZE and min_align_mask
covers any non-zero bits in the original address between IO_TLB_SIZE and
alloc_align_mask, these bits are not preserved in the swiotlb buffer
address.
To fix this case, increase the allocation size and use a larger offset
within the allocated buffer. As a result, extra padding slots may be
allocated before the mapping start address.
Leave orig_addr in these padding slots initialized to INVALID_PHYS_ADDR.
These slots do not correspond to any CPU buffer, so attempts to sync the
data should be ignored.
The padding slots should be automatically released when the buffer is
unmapped. However, swiotlb_tbl_unmap_single() takes only the address of the
DMA buffer slot, not the first padding slot. Save the number of padding
slots in struct io_tlb_slot and use it to adjust the slot index in
swiotlb_release_slots(), so all allocated slots are properly freed.
Fixes: 2fd4fa5d3fb5 ("swiotlb: Fix alignment checks when both allocation and DMA masks are present")
Link: https://lore.kernel.org/linux-iommu/20240311210507.217daf8b@meshulam.tesarici.cz/
Signed-off-by: Petr Tesarik <petr.tesarik1@huawei-partners.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
kernel/dma/swiotlb.c | 59 ++++++++++++++++++++++++++++++++++----------
1 file changed, 46 insertions(+), 13 deletions(-)
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index 86fe172b59582..d7a8cb93ef2d7 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -69,11 +69,14 @@
* @alloc_size: Size of the allocated buffer.
* @list: The free list describing the number of free entries available
* from each index.
+ * @pad_slots: Number of preceding padding slots. Valid only in the first
+ * allocated non-padding slot.
*/
struct io_tlb_slot {
phys_addr_t orig_addr;
size_t alloc_size;
- unsigned int list;
+ unsigned short list;
+ unsigned short pad_slots;
};
static bool swiotlb_force_bounce;
@@ -287,6 +290,7 @@ static void swiotlb_init_io_tlb_pool(struct io_tlb_pool *mem, phys_addr_t start,
mem->nslabs - i);
mem->slots[i].orig_addr = INVALID_PHYS_ADDR;
mem->slots[i].alloc_size = 0;
+ mem->slots[i].pad_slots = 0;
}
memset(vaddr, 0, bytes);
@@ -821,12 +825,30 @@ void swiotlb_dev_init(struct device *dev)
#endif
}
-/*
- * Return the offset into a iotlb slot required to keep the device happy.
+/**
+ * swiotlb_align_offset() - Get required offset into an IO TLB allocation.
+ * @dev: Owning device.
+ * @align_mask: Allocation alignment mask.
+ * @addr: DMA address.
+ *
+ * Return the minimum offset from the start of an IO TLB allocation which is
+ * required for a given buffer address and allocation alignment to keep the
+ * device happy.
+ *
+ * First, the address bits covered by min_align_mask must be identical in the
+ * original address and the bounce buffer address. High bits are preserved by
+ * choosing a suitable IO TLB slot, but bits below IO_TLB_SHIFT require extra
+ * padding bytes before the bounce buffer.
+ *
+ * Second, @align_mask specifies which bits of the first allocated slot must
+ * be zero. This may require allocating additional padding slots, and then the
+ * offset (in bytes) from the first such padding slot is returned.
*/
-static unsigned int swiotlb_align_offset(struct device *dev, u64 addr)
+static unsigned int swiotlb_align_offset(struct device *dev,
+ unsigned int align_mask, u64 addr)
{
- return addr & dma_get_min_align_mask(dev) & (IO_TLB_SIZE - 1);
+ return addr & dma_get_min_align_mask(dev) &
+ (align_mask | (IO_TLB_SIZE - 1));
}
/*
@@ -847,7 +869,7 @@ static void swiotlb_bounce(struct device *dev, phys_addr_t tlb_addr, size_t size
return;
tlb_offset = tlb_addr & (IO_TLB_SIZE - 1);
- orig_addr_offset = swiotlb_align_offset(dev, orig_addr);
+ orig_addr_offset = swiotlb_align_offset(dev, 0, orig_addr);
if (tlb_offset < orig_addr_offset) {
dev_WARN_ONCE(dev, 1,
"Access before mapping start detected. orig offset %u, requested offset %u.\n",
@@ -1005,7 +1027,7 @@ static int swiotlb_search_pool_area(struct device *dev, struct io_tlb_pool *pool
unsigned long max_slots = get_max_slots(boundary_mask);
unsigned int iotlb_align_mask = dma_get_min_align_mask(dev);
unsigned int nslots = nr_slots(alloc_size), stride;
- unsigned int offset = swiotlb_align_offset(dev, orig_addr);
+ unsigned int offset = swiotlb_align_offset(dev, 0, orig_addr);
unsigned int index, slots_checked, count = 0, i;
unsigned long flags;
unsigned int slot_base;
@@ -1328,11 +1350,12 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
unsigned long attrs)
{
struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
- unsigned int offset = swiotlb_align_offset(dev, orig_addr);
+ unsigned int offset;
struct io_tlb_pool *pool;
unsigned int i;
int index;
phys_addr_t tlb_addr;
+ unsigned short pad_slots;
if (!mem || !mem->nslabs) {
dev_warn_ratelimited(dev,
@@ -1349,6 +1372,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
return (phys_addr_t)DMA_MAPPING_ERROR;
}
+ offset = swiotlb_align_offset(dev, alloc_align_mask, orig_addr);
index = swiotlb_find_slots(dev, orig_addr,
alloc_size + offset, alloc_align_mask, &pool);
if (index == -1) {
@@ -1364,6 +1388,10 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
* This is needed when we sync the memory. Then we sync the buffer if
* needed.
*/
+ pad_slots = offset >> IO_TLB_SHIFT;
+ offset &= (IO_TLB_SIZE - 1);
+ index += pad_slots;
+ pool->slots[index].pad_slots = pad_slots;
for (i = 0; i < nr_slots(alloc_size + offset); i++)
pool->slots[index + i].orig_addr = slot_addr(orig_addr, i);
tlb_addr = slot_addr(pool->start, index) + offset;
@@ -1384,13 +1412,17 @@ static void swiotlb_release_slots(struct device *dev, phys_addr_t tlb_addr)
{
struct io_tlb_pool *mem = swiotlb_find_pool(dev, tlb_addr);
unsigned long flags;
- unsigned int offset = swiotlb_align_offset(dev, tlb_addr);
- int index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
- int nslots = nr_slots(mem->slots[index].alloc_size + offset);
- int aindex = index / mem->area_nslabs;
- struct io_tlb_area *area = &mem->areas[aindex];
+ unsigned int offset = swiotlb_align_offset(dev, 0, tlb_addr);
+ int index, nslots, aindex;
+ struct io_tlb_area *area;
int count, i;
+ index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
+ index -= mem->slots[index].pad_slots;
+ nslots = nr_slots(mem->slots[index].alloc_size + offset);
+ aindex = index / mem->area_nslabs;
+ area = &mem->areas[aindex];
+
/*
* Return the buffer to the free list by setting the corresponding
* entries to indicate the number of contiguous entries available.
@@ -1413,6 +1445,7 @@ static void swiotlb_release_slots(struct device *dev, phys_addr_t tlb_addr)
mem->slots[i].list = ++count;
mem->slots[i].orig_addr = INVALID_PHYS_ADDR;
mem->slots[i].alloc_size = 0;
+ mem->slots[i].pad_slots = 0;
}
/*
--
GitLab
From e8068f2d756d57a5206fa3180ade365a8c12ed85 Mon Sep 17 00:00:00 2001
From: Michael Kelley <mhklinux@outlook.com>
Date: Tue, 26 Mar 2024 20:45:48 -0700
Subject: [PATCH 1974/2686] swiotlb: fix swiotlb_bounce() to do partial sync's
correctly
In current code, swiotlb_bounce() may do partial sync's correctly in
some circumstances, but may incorrectly fail in other circumstances.
The failure cases require both of these to be true:
1) swiotlb_align_offset() returns a non-zero "offset" value
2) the tlb_addr of the partial sync area points into the first
"offset" bytes of the _second_ or subsequent swiotlb slot allocated
for the mapping
Code added in commit 868c9ddc182b ("swiotlb: add overflow checks
to swiotlb_bounce") attempts to WARN on the invalid case where
tlb_addr points into the first "offset" bytes of the _first_
allocated slot. But there's no way for swiotlb_bounce() to distinguish
the first slot from the second and subsequent slots, so the WARN
can be triggered incorrectly when #2 above is true.
Related, current code calculates an adjustment to the orig_addr stored
in the swiotlb slot. The adjustment compensates for the difference
in the tlb_addr used for the partial sync vs. the tlb_addr for the full
mapping. The adjustment is stored in the local variable tlb_offset.
But when #1 and #2 above are true, it's valid for this adjustment to
be negative. In such case the arithmetic to adjust orig_addr produces
the wrong result due to tlb_offset being declared as unsigned.
Fix these problems by removing the over-constraining validations added
in 868c9ddc182b. Change the declaration of tlb_offset to be signed
instead of unsigned so the adjustment arithmetic works correctly.
Tested with a test-only hack to how swiotlb_tbl_map_single() calls
swiotlb_bounce(). Instead of calling swiotlb_bounce() just once
for the entire mapped area, do a loop with each iteration doing
only a 128 byte partial sync until the entire mapped area is
sync'ed. Then with swiotlb=force on the kernel boot line, run a
variety of raw disk writes followed by read and verification of
all bytes of the written data. The storage device has DMA
min_align_mask set, and the writes are done with a variety of
original buffer memory address alignments and overall buffer
sizes. For many of the combinations, current code triggers the
WARN statements, or the data verification fails. With the fixes,
no WARNs occur and all verifications pass.
Fixes: 5f89468e2f06 ("swiotlb: manipulate orig_addr when tlb_addr has offset")
Fixes: 868c9ddc182b ("swiotlb: add overflow checks to swiotlb_bounce")
Signed-off-by: Michael Kelley <mhklinux@outlook.com>
Dominique Martinet <dominique.martinet@atmark-techno.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
kernel/dma/swiotlb.c | 30 +++++++++++++-----------------
1 file changed, 13 insertions(+), 17 deletions(-)
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index d7a8cb93ef2d7..d57c8837c8138 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -863,27 +863,23 @@ static void swiotlb_bounce(struct device *dev, phys_addr_t tlb_addr, size_t size
size_t alloc_size = mem->slots[index].alloc_size;
unsigned long pfn = PFN_DOWN(orig_addr);
unsigned char *vaddr = mem->vaddr + tlb_addr - mem->start;
- unsigned int tlb_offset, orig_addr_offset;
+ int tlb_offset;
if (orig_addr == INVALID_PHYS_ADDR)
return;
- tlb_offset = tlb_addr & (IO_TLB_SIZE - 1);
- orig_addr_offset = swiotlb_align_offset(dev, 0, orig_addr);
- if (tlb_offset < orig_addr_offset) {
- dev_WARN_ONCE(dev, 1,
- "Access before mapping start detected. orig offset %u, requested offset %u.\n",
- orig_addr_offset, tlb_offset);
- return;
- }
-
- tlb_offset -= orig_addr_offset;
- if (tlb_offset > alloc_size) {
- dev_WARN_ONCE(dev, 1,
- "Buffer overflow detected. Allocation size: %zu. Mapping size: %zu+%u.\n",
- alloc_size, size, tlb_offset);
- return;
- }
+ /*
+ * It's valid for tlb_offset to be negative. This can happen when the
+ * "offset" returned by swiotlb_align_offset() is non-zero, and the
+ * tlb_addr is pointing within the first "offset" bytes of the second
+ * or subsequent slots of the allocated swiotlb area. While it's not
+ * valid for tlb_addr to be pointing within the first "offset" bytes
+ * of the first slot, there's no way to check for such an error since
+ * this function can't distinguish the first slot from the second and
+ * subsequent slots.
+ */
+ tlb_offset = (tlb_addr & (IO_TLB_SIZE - 1)) -
+ swiotlb_align_offset(dev, 0, orig_addr);
orig_addr += tlb_offset;
alloc_size -= tlb_offset;
--
GitLab
From a1255ccab8ecee89905ddb12161139b0d878a7f2 Mon Sep 17 00:00:00 2001
From: Dexuan Cui <decui@microsoft.com>
Date: Fri, 29 Mar 2024 12:28:09 -0700
Subject: [PATCH 1975/2686] swiotlb: do not set total_used to 0 in
swiotlb_create_debugfs_files()
Sometimes the readout of /sys/kernel/debug/swiotlb/io_tlb_used and
io_tlb_used_hiwater can be a huge number (e.g. 18446744073709551615),
which is actually a negative number if we use "%ld" to print the number.
When swiotlb_create_default_debugfs() is running from late_initcall,
mem->total_used may already be non-zero, because the storage driver
may have already started to perform I/O operations: if the storage
driver is built-in, its probe() callback is called before late_initcall.
swiotlb_create_debugfs_files() should not blindly set mem->total_used
and mem->used_hiwater to 0; actually it doesn't have to initialize the
fields at all, because the fields, as part of the global struct
io_tlb_default_mem, have been implicitly initialized to zero.
Also don't explicitly set mem->transient_nslabs to 0.
Fixes: 8b0977ecc8b3 ("swiotlb: track and report io_tlb_used high water marks in debugfs")
Fixes: 02e765697038 ("swiotlb: add debugfs to track swiotlb transient pool usage")
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: ZhangPeng <zhangpeng362@huawei.com>
Reviewed-by: Petr Tesarik <petr.tesarik1@huawei-partners.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
kernel/dma/swiotlb.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index d57c8837c8138..a5e0dfc44d24e 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -1676,9 +1676,6 @@ DEFINE_DEBUGFS_ATTRIBUTE(fops_io_tlb_hiwater, io_tlb_hiwater_get,
static void swiotlb_create_debugfs_files(struct io_tlb_mem *mem,
const char *dirname)
{
- atomic_long_set(&mem->total_used, 0);
- atomic_long_set(&mem->used_hiwater, 0);
-
mem->debugfs = debugfs_create_dir(dirname, io_tlb_default_mem.debugfs);
if (!mem->nslabs)
return;
@@ -1689,7 +1686,6 @@ static void swiotlb_create_debugfs_files(struct io_tlb_mem *mem,
debugfs_create_file("io_tlb_used_hiwater", 0600, mem->debugfs, mem,
&fops_io_tlb_hiwater);
#ifdef CONFIG_SWIOTLB_DYNAMIC
- atomic_long_set(&mem->transient_nslabs, 0);
debugfs_create_file("io_tlb_transient_nslabs", 0400, mem->debugfs,
mem, &fops_io_tlb_transient_used);
#endif
--
GitLab
From 062a7f0ff46eb57aff526897bd2bebfdb1d3046a Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Mon, 1 Apr 2024 22:37:42 -0500
Subject: [PATCH 1976/2686] smb: client: guarantee refcounted children from
parent session
Avoid potential use-after-free bugs when walking DFS referrals,
mounting and performing DFS failover by ensuring that all children
from parent @tcon->ses are also refcounted. They're all needed across
the entire DFS mount. Get rid of @tcon->dfs_ses_list while we're at
it, too.
Cc: stable@vger.kernel.org # 6.4+
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202404021527.ZlRkIxgv-lkp@intel.com/
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/cifsglob.h | 2 --
fs/smb/client/cifsproto.h | 20 +++++++--------
fs/smb/client/connect.c | 25 +++++++++++++++----
fs/smb/client/dfs.c | 51 ++++++++++++++++++---------------------
fs/smb/client/dfs.h | 33 ++++++++++++++++---------
fs/smb/client/dfs_cache.c | 11 +--------
fs/smb/client/misc.c | 6 -----
7 files changed, 76 insertions(+), 72 deletions(-)
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h
index 7ed9d05f6890b..286afbe346be0 100644
--- a/fs/smb/client/cifsglob.h
+++ b/fs/smb/client/cifsglob.h
@@ -1281,7 +1281,6 @@ struct cifs_tcon {
struct cached_fids *cfids;
/* BB add field for back pointer to sb struct(s)? */
#ifdef CONFIG_CIFS_DFS_UPCALL
- struct list_head dfs_ses_list;
struct delayed_work dfs_cache_work;
#endif
struct delayed_work query_interfaces; /* query interfaces workqueue job */
@@ -1804,7 +1803,6 @@ struct cifs_mount_ctx {
struct TCP_Server_Info *server;
struct cifs_ses *ses;
struct cifs_tcon *tcon;
- struct list_head dfs_ses_list;
};
static inline void __free_dfs_info_param(struct dfs_info3_param *param)
diff --git a/fs/smb/client/cifsproto.h b/fs/smb/client/cifsproto.h
index 0723e1b57256b..8e0a348f1f660 100644
--- a/fs/smb/client/cifsproto.h
+++ b/fs/smb/client/cifsproto.h
@@ -725,31 +725,31 @@ struct super_block *cifs_get_tcon_super(struct cifs_tcon *tcon);
void cifs_put_tcon_super(struct super_block *sb);
int cifs_wait_for_server_reconnect(struct TCP_Server_Info *server, bool retry);
-/* Put references of @ses and @ses->dfs_root_ses */
+/* Put references of @ses and its children */
static inline void cifs_put_smb_ses(struct cifs_ses *ses)
{
- struct cifs_ses *rses = ses->dfs_root_ses;
+ struct cifs_ses *next;
- __cifs_put_smb_ses(ses);
- if (rses)
- __cifs_put_smb_ses(rses);
+ do {
+ next = ses->dfs_root_ses;
+ __cifs_put_smb_ses(ses);
+ } while ((ses = next));
}
-/* Get an active reference of @ses and @ses->dfs_root_ses.
+/* Get an active reference of @ses and its children.
*
* NOTE: make sure to call this function when incrementing reference count of
* @ses to ensure that any DFS root session attached to it (@ses->dfs_root_ses)
* will also get its reference count incremented.
*
- * cifs_put_smb_ses() will put both references, so call it when you're done.
+ * cifs_put_smb_ses() will put all references, so call it when you're done.
*/
static inline void cifs_smb_ses_inc_refcount(struct cifs_ses *ses)
{
lockdep_assert_held(&cifs_tcp_ses_lock);
- ses->ses_count++;
- if (ses->dfs_root_ses)
- ses->dfs_root_ses->ses_count++;
+ for (; ses; ses = ses->dfs_root_ses)
+ ses->ses_count++;
}
static inline bool dfs_src_pathname_equal(const char *s1, const char *s2)
diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index ee29bc57300cd..38b75cfa06e3e 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -1866,6 +1866,9 @@ static int match_session(struct cifs_ses *ses, struct smb3_fs_context *ctx)
ctx->sectype != ses->sectype)
return 0;
+ if (ctx->dfs_root_ses != ses->dfs_root_ses)
+ return 0;
+
/*
* If an existing session is limited to less channels than
* requested, it should not be reused
@@ -2358,9 +2361,9 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx)
* need to lock before changing something in the session.
*/
spin_lock(&cifs_tcp_ses_lock);
+ if (ctx->dfs_root_ses)
+ cifs_smb_ses_inc_refcount(ctx->dfs_root_ses);
ses->dfs_root_ses = ctx->dfs_root_ses;
- if (ses->dfs_root_ses)
- ses->dfs_root_ses->ses_count++;
list_add(&ses->smb_ses_list, &server->smb_ses_list);
spin_unlock(&cifs_tcp_ses_lock);
@@ -3311,6 +3314,9 @@ void cifs_mount_put_conns(struct cifs_mount_ctx *mnt_ctx)
cifs_put_smb_ses(mnt_ctx->ses);
else if (mnt_ctx->server)
cifs_put_tcp_session(mnt_ctx->server, 0);
+ mnt_ctx->ses = NULL;
+ mnt_ctx->tcon = NULL;
+ mnt_ctx->server = NULL;
mnt_ctx->cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_POSIX_PATHS;
free_xid(mnt_ctx->xid);
}
@@ -3589,8 +3595,6 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb3_fs_context *ctx)
bool isdfs;
int rc;
- INIT_LIST_HEAD(&mnt_ctx.dfs_ses_list);
-
rc = dfs_mount_share(&mnt_ctx, &isdfs);
if (rc)
goto error;
@@ -3621,7 +3625,6 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb3_fs_context *ctx)
return rc;
error:
- dfs_put_root_smb_sessions(&mnt_ctx.dfs_ses_list);
cifs_mount_put_conns(&mnt_ctx);
return rc;
}
@@ -3636,6 +3639,18 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb3_fs_context *ctx)
goto error;
rc = cifs_mount_get_tcon(&mnt_ctx);
+ if (!rc) {
+ /*
+ * Prevent superblock from being created with any missing
+ * connections.
+ */
+ if (WARN_ON(!mnt_ctx.server))
+ rc = -EHOSTDOWN;
+ else if (WARN_ON(!mnt_ctx.ses))
+ rc = -EACCES;
+ else if (WARN_ON(!mnt_ctx.tcon))
+ rc = -ENOENT;
+ }
if (rc)
goto error;
diff --git a/fs/smb/client/dfs.c b/fs/smb/client/dfs.c
index 449c59830039b..3ec965547e3d4 100644
--- a/fs/smb/client/dfs.c
+++ b/fs/smb/client/dfs.c
@@ -66,33 +66,20 @@ static int get_session(struct cifs_mount_ctx *mnt_ctx, const char *full_path)
}
/*
- * Track individual DFS referral servers used by new DFS mount.
- *
- * On success, their lifetime will be shared by final tcon (dfs_ses_list).
- * Otherwise, they will be put by dfs_put_root_smb_sessions() in cifs_mount().
+ * Get an active reference of @ses so that next call to cifs_put_tcon() won't
+ * release it as any new DFS referrals must go through its IPC tcon.
*/
-static int add_root_smb_session(struct cifs_mount_ctx *mnt_ctx)
+static void add_root_smb_session(struct cifs_mount_ctx *mnt_ctx)
{
struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;
- struct dfs_root_ses *root_ses;
struct cifs_ses *ses = mnt_ctx->ses;
if (ses) {
- root_ses = kmalloc(sizeof(*root_ses), GFP_KERNEL);
- if (!root_ses)
- return -ENOMEM;
-
- INIT_LIST_HEAD(&root_ses->list);
-
spin_lock(&cifs_tcp_ses_lock);
cifs_smb_ses_inc_refcount(ses);
spin_unlock(&cifs_tcp_ses_lock);
- root_ses->ses = ses;
- list_add_tail(&root_ses->list, &mnt_ctx->dfs_ses_list);
}
- /* Select new DFS referral server so that new referrals go through it */
ctx->dfs_root_ses = ses;
- return 0;
}
static inline int parse_dfs_target(struct smb3_fs_context *ctx,
@@ -185,11 +172,8 @@ static int __dfs_referral_walk(struct cifs_mount_ctx *mnt_ctx,
continue;
}
- if (is_refsrv) {
- rc = add_root_smb_session(mnt_ctx);
- if (rc)
- goto out;
- }
+ if (is_refsrv)
+ add_root_smb_session(mnt_ctx);
rc = ref_walk_advance(rw);
if (!rc) {
@@ -232,6 +216,7 @@ static int __dfs_mount_share(struct cifs_mount_ctx *mnt_ctx)
struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;
struct cifs_tcon *tcon;
char *origin_fullpath;
+ bool new_tcon = true;
int rc;
origin_fullpath = dfs_get_path(cifs_sb, ctx->source);
@@ -239,6 +224,18 @@ static int __dfs_mount_share(struct cifs_mount_ctx *mnt_ctx)
return PTR_ERR(origin_fullpath);
rc = dfs_referral_walk(mnt_ctx);
+ if (!rc) {
+ /*
+ * Prevent superblock from being created with any missing
+ * connections.
+ */
+ if (WARN_ON(!mnt_ctx->server))
+ rc = -EHOSTDOWN;
+ else if (WARN_ON(!mnt_ctx->ses))
+ rc = -EACCES;
+ else if (WARN_ON(!mnt_ctx->tcon))
+ rc = -ENOENT;
+ }
if (rc)
goto out;
@@ -247,15 +244,14 @@ static int __dfs_mount_share(struct cifs_mount_ctx *mnt_ctx)
if (!tcon->origin_fullpath) {
tcon->origin_fullpath = origin_fullpath;
origin_fullpath = NULL;
+ } else {
+ new_tcon = false;
}
spin_unlock(&tcon->tc_lock);
- if (list_empty(&tcon->dfs_ses_list)) {
- list_replace_init(&mnt_ctx->dfs_ses_list, &tcon->dfs_ses_list);
+ if (new_tcon) {
queue_delayed_work(dfscache_wq, &tcon->dfs_cache_work,
dfs_cache_get_ttl() * HZ);
- } else {
- dfs_put_root_smb_sessions(&mnt_ctx->dfs_ses_list);
}
out:
@@ -298,7 +294,6 @@ int dfs_mount_share(struct cifs_mount_ctx *mnt_ctx, bool *isdfs)
if (rc)
return rc;
- ctx->dfs_root_ses = mnt_ctx->ses;
/*
* If called with 'nodfs' mount option, then skip DFS resolving. Otherwise unconditionally
* try to get an DFS referral (even cached) to determine whether it is an DFS mount.
@@ -324,7 +319,9 @@ int dfs_mount_share(struct cifs_mount_ctx *mnt_ctx, bool *isdfs)
*isdfs = true;
add_root_smb_session(mnt_ctx);
- return __dfs_mount_share(mnt_ctx);
+ rc = __dfs_mount_share(mnt_ctx);
+ dfs_put_root_smb_sessions(mnt_ctx);
+ return rc;
}
/* Update dfs referral path of superblock */
diff --git a/fs/smb/client/dfs.h b/fs/smb/client/dfs.h
index 875ab7ae57fcd..e5c4dcf837503 100644
--- a/fs/smb/client/dfs.h
+++ b/fs/smb/client/dfs.h
@@ -7,7 +7,9 @@
#define _CIFS_DFS_H
#include "cifsglob.h"
+#include "cifsproto.h"
#include "fs_context.h"
+#include "dfs_cache.h"
#include "cifs_unicode.h"
#include <linux/namei.h>
@@ -114,11 +116,6 @@ static inline void ref_walk_set_tgt_hint(struct dfs_ref_walk *rw)
ref_walk_tit(rw));
}
-struct dfs_root_ses {
- struct list_head list;
- struct cifs_ses *ses;
-};
-
int dfs_parse_target_referral(const char *full_path, const struct dfs_info3_param *ref,
struct smb3_fs_context *ctx);
int dfs_mount_share(struct cifs_mount_ctx *mnt_ctx, bool *isdfs);
@@ -133,20 +130,32 @@ static inline int dfs_get_referral(struct cifs_mount_ctx *mnt_ctx, const char *p
{
struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;
struct cifs_sb_info *cifs_sb = mnt_ctx->cifs_sb;
+ struct cifs_ses *rses = ctx->dfs_root_ses ?: mnt_ctx->ses;
- return dfs_cache_find(mnt_ctx->xid, ctx->dfs_root_ses, cifs_sb->local_nls,
+ return dfs_cache_find(mnt_ctx->xid, rses, cifs_sb->local_nls,
cifs_remap(cifs_sb), path, ref, tl);
}
-static inline void dfs_put_root_smb_sessions(struct list_head *head)
+/*
+ * cifs_get_smb_ses() already guarantees an active reference of
+ * @ses->dfs_root_ses when a new session is created, so we need to put extra
+ * references of all DFS root sessions that were used across the mount process
+ * in dfs_mount_share().
+ */
+static inline void dfs_put_root_smb_sessions(struct cifs_mount_ctx *mnt_ctx)
{
- struct dfs_root_ses *root, *tmp;
+ const struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;
+ struct cifs_ses *ses = ctx->dfs_root_ses;
+ struct cifs_ses *cur;
+
+ if (!ses)
+ return;
- list_for_each_entry_safe(root, tmp, head, list) {
- list_del_init(&root->list);
- cifs_put_smb_ses(root->ses);
- kfree(root);
+ for (cur = ses; cur; cur = cur->dfs_root_ses) {
+ if (cur->dfs_root_ses)
+ cifs_put_smb_ses(cur->dfs_root_ses);
}
+ cifs_put_smb_ses(ses);
}
#endif /* _CIFS_DFS_H */
diff --git a/fs/smb/client/dfs_cache.c b/fs/smb/client/dfs_cache.c
index 508d831fabe37..0552a864ff08f 100644
--- a/fs/smb/client/dfs_cache.c
+++ b/fs/smb/client/dfs_cache.c
@@ -1278,21 +1278,12 @@ int dfs_cache_remount_fs(struct cifs_sb_info *cifs_sb)
void dfs_cache_refresh(struct work_struct *work)
{
struct TCP_Server_Info *server;
- struct dfs_root_ses *rses;
struct cifs_tcon *tcon;
struct cifs_ses *ses;
tcon = container_of(work, struct cifs_tcon, dfs_cache_work.work);
- ses = tcon->ses;
- server = ses->server;
- mutex_lock(&server->refpath_lock);
- if (server->leaf_fullpath)
- __refresh_tcon(server->leaf_fullpath + 1, ses, false);
- mutex_unlock(&server->refpath_lock);
-
- list_for_each_entry(rses, &tcon->dfs_ses_list, list) {
- ses = rses->ses;
+ for (ses = tcon->ses; ses; ses = ses->dfs_root_ses) {
server = ses->server;
mutex_lock(&server->refpath_lock);
if (server->leaf_fullpath)
diff --git a/fs/smb/client/misc.c b/fs/smb/client/misc.c
index c3771fc81328f..1ea22b3955a2f 100644
--- a/fs/smb/client/misc.c
+++ b/fs/smb/client/misc.c
@@ -138,9 +138,6 @@ tcon_info_alloc(bool dir_leases_enabled)
atomic_set(&ret_buf->num_local_opens, 0);
atomic_set(&ret_buf->num_remote_opens, 0);
ret_buf->stats_from_time = ktime_get_real_seconds();
-#ifdef CONFIG_CIFS_DFS_UPCALL
- INIT_LIST_HEAD(&ret_buf->dfs_ses_list);
-#endif
return ret_buf;
}
@@ -156,9 +153,6 @@ tconInfoFree(struct cifs_tcon *tcon)
atomic_dec(&tconInfoAllocCount);
kfree(tcon->nativeFileSystem);
kfree_sensitive(tcon->password);
-#ifdef CONFIG_CIFS_DFS_UPCALL
- dfs_put_root_smb_sessions(&tcon->dfs_ses_list);
-#endif
kfree(tcon->origin_fullpath);
kfree(tcon);
}
--
GitLab
From 0a05ad21d77a188d06481c36d6016805a881bcc0 Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Mon, 1 Apr 2024 22:44:07 -0300
Subject: [PATCH 1977/2686] smb: client: refresh referral without acquiring
refpath_lock
Avoid refreshing DFS referral with refpath_lock acquired as the I/O
could block for a while due to a potentially disconnected or slow DFS
root server and then making other threads - that use same @server and
don't require a DFS root server - unable to make any progress.
Cc: stable@vger.kernel.org # 6.4+
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/dfs_cache.c | 44 +++++++++++++++++++++------------------
1 file changed, 24 insertions(+), 20 deletions(-)
diff --git a/fs/smb/client/dfs_cache.c b/fs/smb/client/dfs_cache.c
index 0552a864ff08f..11c8efecf7aa1 100644
--- a/fs/smb/client/dfs_cache.c
+++ b/fs/smb/client/dfs_cache.c
@@ -1172,8 +1172,8 @@ static bool is_ses_good(struct cifs_ses *ses)
return ret;
}
-/* Refresh dfs referral of tcon and mark it for reconnect if needed */
-static int __refresh_tcon(const char *path, struct cifs_ses *ses, bool force_refresh)
+/* Refresh dfs referral of @ses and mark it for reconnect if needed */
+static void __refresh_ses_referral(struct cifs_ses *ses, bool force_refresh)
{
struct TCP_Server_Info *server = ses->server;
DFS_CACHE_TGT_LIST(old_tl);
@@ -1181,10 +1181,21 @@ static int __refresh_tcon(const char *path, struct cifs_ses *ses, bool force_ref
bool needs_refresh = false;
struct cache_entry *ce;
unsigned int xid;
+ char *path = NULL;
int rc = 0;
xid = get_xid();
+ mutex_lock(&server->refpath_lock);
+ if (server->leaf_fullpath) {
+ path = kstrdup(server->leaf_fullpath + 1, GFP_ATOMIC);
+ if (!path)
+ rc = -ENOMEM;
+ }
+ mutex_unlock(&server->refpath_lock);
+ if (!path)
+ goto out;
+
down_read(&htable_rw_lock);
ce = lookup_cache_entry(path);
needs_refresh = force_refresh || IS_ERR(ce) || cache_entry_expired(ce);
@@ -1218,19 +1229,17 @@ static int __refresh_tcon(const char *path, struct cifs_ses *ses, bool force_ref
free_xid(xid);
dfs_cache_free_tgts(&old_tl);
dfs_cache_free_tgts(&new_tl);
- return rc;
+ kfree(path);
}
-static int refresh_tcon(struct cifs_tcon *tcon, bool force_refresh)
+static inline void refresh_ses_referral(struct cifs_ses *ses)
{
- struct TCP_Server_Info *server = tcon->ses->server;
- struct cifs_ses *ses = tcon->ses;
+ __refresh_ses_referral(ses, false);
+}
- mutex_lock(&server->refpath_lock);
- if (server->leaf_fullpath)
- __refresh_tcon(server->leaf_fullpath + 1, ses, force_refresh);
- mutex_unlock(&server->refpath_lock);
- return 0;
+static inline void force_refresh_ses_referral(struct cifs_ses *ses)
+{
+ __refresh_ses_referral(ses, true);
}
/**
@@ -1271,25 +1280,20 @@ int dfs_cache_remount_fs(struct cifs_sb_info *cifs_sb)
*/
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH;
- return refresh_tcon(tcon, true);
+ force_refresh_ses_referral(tcon->ses);
+ return 0;
}
/* Refresh all DFS referrals related to DFS tcon */
void dfs_cache_refresh(struct work_struct *work)
{
- struct TCP_Server_Info *server;
struct cifs_tcon *tcon;
struct cifs_ses *ses;
tcon = container_of(work, struct cifs_tcon, dfs_cache_work.work);
- for (ses = tcon->ses; ses; ses = ses->dfs_root_ses) {
- server = ses->server;
- mutex_lock(&server->refpath_lock);
- if (server->leaf_fullpath)
- __refresh_tcon(server->leaf_fullpath + 1, ses, false);
- mutex_unlock(&server->refpath_lock);
- }
+ for (ses = tcon->ses; ses; ses = ses->dfs_root_ses)
+ refresh_ses_referral(ses);
queue_delayed_work(dfscache_wq, &tcon->dfs_cache_work,
atomic_read(&dfs_cache_ttl) * HZ);
--
GitLab
From 4a5ba0e0bfe552ac7451f57e304f6343c3d87f89 Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Mon, 1 Apr 2024 22:44:08 -0300
Subject: [PATCH 1978/2686] smb: client: handle DFS tcons in
cifs_construct_tcon()
The tcons created by cifs_construct_tcon() on multiuser mounts must
also be able to failover and refresh DFS referrals, so set the
appropriate fields in order to get a full DFS tcon. They could be
shared among different superblocks later, too.
Cc: stable@vger.kernel.org # 6.4+
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202404021518.3Xu2VU4s-lkp@intel.com/
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/connect.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index 38b75cfa06e3e..9a35788814961 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -3995,6 +3995,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
struct cifs_ses *ses;
struct cifs_tcon *tcon = NULL;
struct smb3_fs_context *ctx;
+ char *origin_fullpath = NULL;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (ctx == NULL)
@@ -4018,6 +4019,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
ctx->sign = master_tcon->ses->sign;
ctx->seal = master_tcon->seal;
ctx->witness = master_tcon->use_witness;
+ ctx->dfs_root_ses = master_tcon->ses->dfs_root_ses;
rc = cifs_set_vol_auth(ctx, master_tcon->ses);
if (rc) {
@@ -4037,12 +4039,39 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
goto out;
}
+#ifdef CONFIG_CIFS_DFS_UPCALL
+ spin_lock(&master_tcon->tc_lock);
+ if (master_tcon->origin_fullpath) {
+ spin_unlock(&master_tcon->tc_lock);
+ origin_fullpath = dfs_get_path(cifs_sb, cifs_sb->ctx->source);
+ if (IS_ERR(origin_fullpath)) {
+ tcon = ERR_CAST(origin_fullpath);
+ origin_fullpath = NULL;
+ cifs_put_smb_ses(ses);
+ goto out;
+ }
+ } else {
+ spin_unlock(&master_tcon->tc_lock);
+ }
+#endif
+
tcon = cifs_get_tcon(ses, ctx);
if (IS_ERR(tcon)) {
cifs_put_smb_ses(ses);
goto out;
}
+#ifdef CONFIG_CIFS_DFS_UPCALL
+ if (origin_fullpath) {
+ spin_lock(&tcon->tc_lock);
+ tcon->origin_fullpath = origin_fullpath;
+ spin_unlock(&tcon->tc_lock);
+ origin_fullpath = NULL;
+ queue_delayed_work(dfscache_wq, &tcon->dfs_cache_work,
+ dfs_cache_get_ttl() * HZ);
+ }
+#endif
+
#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
if (cap_unix(ses))
reset_cifs_unix_caps(0, tcon, NULL, ctx);
@@ -4051,6 +4080,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
out:
kfree(ctx->username);
kfree_sensitive(ctx->password);
+ kfree(origin_fullpath);
kfree(ctx);
return tcon;
--
GitLab
From 93cee45ccfebc62a3bb4cd622b89e00c8c7d8493 Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Mon, 1 Apr 2024 22:44:09 -0300
Subject: [PATCH 1979/2686] smb: client: serialise cifs_construct_tcon() with
cifs_mount_mutex
Serialise cifs_construct_tcon() with cifs_mount_mutex to handle
parallel mounts that may end up reusing the session and tcon created
by it.
Cc: stable@vger.kernel.org # 6.4+
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/connect.c | 13 ++++++++++++-
fs/smb/client/fs_context.c | 6 +++---
fs/smb/client/fs_context.h | 12 ++++++++++++
3 files changed, 27 insertions(+), 4 deletions(-)
diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index 9a35788814961..95e4bda4fd517 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -3988,7 +3988,7 @@ cifs_set_vol_auth(struct smb3_fs_context *ctx, struct cifs_ses *ses)
}
static struct cifs_tcon *
-cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
+__cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
{
int rc;
struct cifs_tcon *master_tcon = cifs_sb_master_tcon(cifs_sb);
@@ -4086,6 +4086,17 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
return tcon;
}
+static struct cifs_tcon *
+cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
+{
+ struct cifs_tcon *ret;
+
+ cifs_mount_lock();
+ ret = __cifs_construct_tcon(cifs_sb, fsuid);
+ cifs_mount_unlock();
+ return ret;
+}
+
struct cifs_tcon *
cifs_sb_master_tcon(struct cifs_sb_info *cifs_sb)
{
diff --git a/fs/smb/client/fs_context.c b/fs/smb/client/fs_context.c
index bdcbe6ff2739a..b7bfe705b2c49 100644
--- a/fs/smb/client/fs_context.c
+++ b/fs/smb/client/fs_context.c
@@ -37,7 +37,7 @@
#include "rfc1002pdu.h"
#include "fs_context.h"
-static DEFINE_MUTEX(cifs_mount_mutex);
+DEFINE_MUTEX(cifs_mount_mutex);
static const match_table_t cifs_smb_version_tokens = {
{ Smb_1, SMB1_VERSION_STRING },
@@ -783,9 +783,9 @@ static int smb3_get_tree(struct fs_context *fc)
if (err)
return err;
- mutex_lock(&cifs_mount_mutex);
+ cifs_mount_lock();
ret = smb3_get_tree_common(fc);
- mutex_unlock(&cifs_mount_mutex);
+ cifs_mount_unlock();
return ret;
}
diff --git a/fs/smb/client/fs_context.h b/fs/smb/client/fs_context.h
index 7863f2248c4df..8a35645e0b65b 100644
--- a/fs/smb/client/fs_context.h
+++ b/fs/smb/client/fs_context.h
@@ -304,4 +304,16 @@ extern void smb3_update_mnt_flags(struct cifs_sb_info *cifs_sb);
#define MAX_CACHED_FIDS 16
extern char *cifs_sanitize_prepath(char *prepath, gfp_t gfp);
+extern struct mutex cifs_mount_mutex;
+
+static inline void cifs_mount_lock(void)
+{
+ mutex_lock(&cifs_mount_mutex);
+}
+
+static inline void cifs_mount_unlock(void)
+{
+ mutex_unlock(&cifs_mount_mutex);
+}
+
#endif
--
GitLab
From c85c9ab926a592e2f59f7d9a6ca7d6562843d8fa Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Tue, 2 Apr 2024 16:47:54 +0200
Subject: [PATCH 1980/2686] nvme: split nvme_update_zone_info
nvme_update_zone_info does (admin queue) I/O to the device and can fail.
We fail to abort the queue limits update if that happen, but really
should avoid with the frozen I/O queue as much as possible anyway.
Split the logic into a helper to query the information that can be
called on an unfrozen queue and one to apply it to the queue limits.
Fixes: 9b130d681443 ("nvme: use the atomic queue limits update API")
Reported-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/core.c | 19 +++++++++++--------
drivers/nvme/host/nvme.h | 12 ++++++++++--
drivers/nvme/host/zns.c | 33 ++++++++++++++++++++-------------
3 files changed, 41 insertions(+), 23 deletions(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 0cf46068f1d01..504dc352c458d 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2076,6 +2076,7 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
bool vwc = ns->ctrl->vwc & NVME_CTRL_VWC_PRESENT;
struct queue_limits lim;
struct nvme_id_ns_nvm *nvm = NULL;
+ struct nvme_zone_info zi = {};
struct nvme_id_ns *id;
sector_t capacity;
unsigned lbaf;
@@ -2091,6 +2092,7 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
ret = -ENODEV;
goto out;
}
+ lbaf = nvme_lbaf_index(id->flbas);
if (ns->ctrl->ctratt & NVME_CTRL_ATTR_ELBAS) {
ret = nvme_identify_ns_nvm(ns->ctrl, info->nsid, &nvm);
@@ -2098,8 +2100,14 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
goto out;
}
+ if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) &&
+ ns->head->ids.csi == NVME_CSI_ZNS) {
+ ret = nvme_query_zone_info(ns, lbaf, &zi);
+ if (ret < 0)
+ goto out;
+ }
+
blk_mq_freeze_queue(ns->disk->queue);
- lbaf = nvme_lbaf_index(id->flbas);
ns->head->lba_shift = id->lbaf[lbaf].ds;
ns->head->nuse = le64_to_cpu(id->nuse);
capacity = nvme_lba_to_sect(ns->head, le64_to_cpu(id->nsze));
@@ -2112,13 +2120,8 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
capacity = 0;
nvme_config_discard(ns, &lim);
if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) &&
- ns->head->ids.csi == NVME_CSI_ZNS) {
- ret = nvme_update_zone_info(ns, lbaf, &lim);
- if (ret) {
- blk_mq_unfreeze_queue(ns->disk->queue);
- goto out;
- }
- }
+ ns->head->ids.csi == NVME_CSI_ZNS)
+ nvme_update_zone_info(ns, &lim, &zi);
ret = queue_limits_commit_update(ns->disk->queue, &lim);
if (ret) {
blk_mq_unfreeze_queue(ns->disk->queue);
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 24193fcb8bd58..d0ed64dc7380e 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -1036,10 +1036,18 @@ static inline bool nvme_disk_is_ns_head(struct gendisk *disk)
}
#endif /* CONFIG_NVME_MULTIPATH */
+struct nvme_zone_info {
+ u64 zone_size;
+ unsigned int max_open_zones;
+ unsigned int max_active_zones;
+};
+
int nvme_ns_report_zones(struct nvme_ns *ns, sector_t sector,
unsigned int nr_zones, report_zones_cb cb, void *data);
-int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf,
- struct queue_limits *lim);
+int nvme_query_zone_info(struct nvme_ns *ns, unsigned lbaf,
+ struct nvme_zone_info *zi);
+void nvme_update_zone_info(struct nvme_ns *ns, struct queue_limits *lim,
+ struct nvme_zone_info *zi);
#ifdef CONFIG_BLK_DEV_ZONED
blk_status_t nvme_setup_zone_mgmt_send(struct nvme_ns *ns, struct request *req,
struct nvme_command *cmnd,
diff --git a/drivers/nvme/host/zns.c b/drivers/nvme/host/zns.c
index 722384bcc765c..77aa0f440a6d2 100644
--- a/drivers/nvme/host/zns.c
+++ b/drivers/nvme/host/zns.c
@@ -35,8 +35,8 @@ static int nvme_set_max_append(struct nvme_ctrl *ctrl)
return 0;
}
-int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf,
- struct queue_limits *lim)
+int nvme_query_zone_info(struct nvme_ns *ns, unsigned lbaf,
+ struct nvme_zone_info *zi)
{
struct nvme_effects_log *log = ns->head->effects;
struct nvme_command c = { };
@@ -89,27 +89,34 @@ int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf,
goto free_data;
}
- ns->head->zsze =
- nvme_lba_to_sect(ns->head, le64_to_cpu(id->lbafe[lbaf].zsze));
- if (!is_power_of_2(ns->head->zsze)) {
+ zi->zone_size = le64_to_cpu(id->lbafe[lbaf].zsze);
+ if (!is_power_of_2(zi->zone_size)) {
dev_warn(ns->ctrl->device,
- "invalid zone size:%llu for namespace:%u\n",
- ns->head->zsze, ns->head->ns_id);
+ "invalid zone size: %llu for namespace: %u\n",
+ zi->zone_size, ns->head->ns_id);
status = -ENODEV;
goto free_data;
}
+ zi->max_open_zones = le32_to_cpu(id->mor) + 1;
+ zi->max_active_zones = le32_to_cpu(id->mar) + 1;
- blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, ns->queue);
- lim->zoned = 1;
- lim->max_open_zones = le32_to_cpu(id->mor) + 1;
- lim->max_active_zones = le32_to_cpu(id->mar) + 1;
- lim->chunk_sectors = ns->head->zsze;
- lim->max_zone_append_sectors = ns->ctrl->max_zone_append;
free_data:
kfree(id);
return status;
}
+void nvme_update_zone_info(struct nvme_ns *ns, struct queue_limits *lim,
+ struct nvme_zone_info *zi)
+{
+ lim->zoned = 1;
+ lim->max_open_zones = zi->max_open_zones;
+ lim->max_active_zones = zi->max_active_zones;
+ lim->max_zone_append_sectors = ns->ctrl->max_zone_append;
+ lim->chunk_sectors = ns->head->zsze =
+ nvme_lba_to_sect(ns->head, zi->zone_size);
+ blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, ns->queue);
+}
+
static void *nvme_zns_alloc_report_buffer(struct nvme_ns *ns,
unsigned int nr_zones, size_t *buflen)
{
--
GitLab
From 538d505fde20393bce1e6fb95cec82b56cdd22ef Mon Sep 17 00:00:00 2001
From: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Date: Mon, 22 Jan 2024 15:22:35 +0100
Subject: [PATCH 1981/2686] tools/power turbostat: Read base_hz and bclk from
CPUID.16H if available
If MSRs cannot be read, values can be obtained from cpuid.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index a4a40a6e1b957..c35c48b6a99a7 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -5848,6 +5848,15 @@ void process_cpuid()
base_mhz = max_mhz = bus_mhz = edx = 0;
__cpuid(0x16, base_mhz, max_mhz, bus_mhz, edx);
+
+ bclk = bus_mhz;
+
+ base_hz = base_mhz * 1000000;
+ has_base_hz = 1;
+
+ if (platform->enable_tsc_tweak)
+ tsc_tweak = base_hz / tsc_hz;
+
if (!quiet)
fprintf(outf, "CPUID(0x16): base_mhz: %d max_mhz: %d bus_mhz: %d\n",
base_mhz, max_mhz, bus_mhz);
--
GitLab
From b6fe938317eed58e8c687bd5965a956e15fb5828 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Fri, 19 Jan 2024 12:25:42 -0600
Subject: [PATCH 1982/2686] tools/power turbostat: Fix warning upon failed
/dev/cpu_dma_latency read
Previously a failed read of /dev/cpu_dma_latency erroneously complained
turbostat: capget(CAP_SYS_ADMIN) failed, try "# setcap cap_sys_admin=ep ./turbostat
This went unnoticed because this file is typically visible to root,
and turbostat was typically run as root.
Going forward, when a non-root user can run turbostat...
Complain about failed read access to this file only if --debug is used.
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index c35c48b6a99a7..531f37e5f92ab 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -5545,7 +5545,8 @@ void print_dev_latency(void)
fd = open(path, O_RDONLY);
if (fd < 0) {
- warnx("capget(CAP_SYS_ADMIN) failed, try \"# setcap cap_sys_admin=ep %s\"", progname);
+ if (debug)
+ warnx("Read %s failed", path);
return;
}
--
GitLab
From 2d2ccd57338779469777d4319152151272994182 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Mon, 5 Feb 2024 15:56:25 -0600
Subject: [PATCH 1983/2686] tools/power turbostat: enhance -D (debug counter
dump) output
Eliminate redundant debug output for core and package scope counters.
Include name and path for all "ADDED" counters.
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 531f37e5f92ab..60432753fe6af 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -1673,11 +1673,13 @@ int dump_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p
outp += sprintf(outp, "SMI: %d\n", t->smi_count);
for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
- outp += sprintf(outp, "tADDED [%d] msr0x%x: %08llX\n", i, mp->msr_num, t->counter[i]);
+ outp +=
+ sprintf(outp, "tADDED [%d] %8s msr0x%x: %08llX %s\n", i, mp->name, mp->msr_num,
+ t->counter[i], mp->path);
}
}
- if (c) {
+ if (c && is_cpu_first_thread_in_core(t, c, p)) {
outp += sprintf(outp, "core: %d\n", c->core_id);
outp += sprintf(outp, "c3: %016llX\n", c->c3);
outp += sprintf(outp, "c6: %016llX\n", c->c6);
@@ -1687,12 +1689,14 @@ int dump_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p
outp += sprintf(outp, "Joules: %0X\n", c->core_energy);
for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
- outp += sprintf(outp, "cADDED [%d] msr0x%x: %08llX\n", i, mp->msr_num, c->counter[i]);
+ outp +=
+ sprintf(outp, "cADDED [%d] %8s msr0x%x: %08llX %s\n", i, mp->name, mp->msr_num,
+ c->counter[i], mp->path);
}
outp += sprintf(outp, "mc6_us: %016llX\n", c->mc6_us);
}
- if (p) {
+ if (p && is_cpu_first_core_in_package(t, c, p)) {
outp += sprintf(outp, "package: %d\n", p->package_id);
outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0);
@@ -1721,7 +1725,9 @@ int dump_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p
outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c);
for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
- outp += sprintf(outp, "pADDED [%d] msr0x%x: %08llX\n", i, mp->msr_num, p->counter[i]);
+ outp +=
+ sprintf(outp, "pADDED [%d] %8s msr0x%x: %08llX %s\n", i, mp->name, mp->msr_num,
+ p->counter[i], mp->path);
}
}
--
GitLab
From 3e4048466c396cff52c6d435156dbcd0571e4381 Mon Sep 17 00:00:00 2001
From: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Date: Thu, 11 Jan 2024 15:48:09 +0100
Subject: [PATCH 1984/2686] tools/power turbostat: Add --no-msr option
Add --no-msr option to allow users to run turbostat without
accessing MSRs via the MSR driver.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.8 | 2 +
tools/power/x86/turbostat/turbostat.c | 205 +++++++++++++++++++-------
2 files changed, 151 insertions(+), 56 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8
index 1ba6340d3b3da..28be452fbfe2f 100644
--- a/tools/power/x86/turbostat/turbostat.8
+++ b/tools/power/x86/turbostat/turbostat.8
@@ -67,6 +67,8 @@ The column name "all" can be used to enable all disabled-by-default built-in cou
.PP
\fB--quiet\fP Do not decode and print the system configuration header information.
.PP
++\fB--no-msr\fP Disable all the uses of the MSR driver.
++.PP
\fB--interval seconds\fP overrides the default 5.0 second measurement interval.
.PP
\fB--num_iterations num\fP number of the measurement iterations.
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 60432753fe6af..4d5437a9725bf 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -36,6 +36,7 @@
#include <linux/perf_event.h>
#include <asm/unistd.h>
#include <stdbool.h>
+#include <assert.h>
#define UNUSED(x) (void)(x)
@@ -265,6 +266,7 @@ unsigned int has_hwp_epp; /* IA32_HWP_REQUEST[bits 31:24] */
unsigned int has_hwp_pkg; /* IA32_HWP_REQUEST_PKG */
unsigned int first_counter_read = 1;
int ignore_stdin;
+bool no_msr;
int get_msr(int cpu, off_t offset, unsigned long long *msr);
@@ -1282,13 +1284,36 @@ int get_msr_fd(int cpu)
sprintf(pathname, "/dev/cpu/%d/msr", cpu);
fd = open(pathname, O_RDONLY);
if (fd < 0)
- err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname);
+ err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, "
+ "or run with --no-msr, or run as root", pathname);
fd_percpu[cpu] = fd;
return fd;
}
+static void bic_disable_msr_access(void)
+{
+ const unsigned long bic_msrs =
+ BIC_Avg_MHz |
+ BIC_Busy |
+ BIC_Bzy_MHz |
+ BIC_SMI |
+ BIC_CPU_c1 |
+ BIC_CPU_c3 |
+ BIC_CPU_c6 |
+ BIC_CPU_c7 |
+ BIC_Mod_c6 |
+ BIC_CoreTmp |
+ BIC_Totl_c0 |
+ BIC_Any_c0 |
+ BIC_GFX_c0 |
+ BIC_CPUGFX |
+ BIC_Pkgpc2 | BIC_Pkgpc3 | BIC_Pkgpc6 | BIC_Pkgpc7 | BIC_Pkgpc8 | BIC_Pkgpc9 | BIC_Pkgpc10 | BIC_PkgTmp;
+
+ bic_enabled &= ~bic_msrs;
+}
+
static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid, int cpu, int group_fd, unsigned long flags)
{
return syscall(__NR_perf_event_open, hw_event, pid, cpu, group_fd, flags);
@@ -1328,6 +1353,8 @@ int get_msr(int cpu, off_t offset, unsigned long long *msr)
{
ssize_t retval;
+ assert(!no_msr);
+
retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset);
if (retval != sizeof *msr)
@@ -1371,6 +1398,7 @@ void help(void)
" Override default 5-second measurement interval\n"
" -J, --Joules displays energy in Joules instead of Watts\n"
" -l, --list list column headers only\n"
+ " -M, --no-msr Disable all uses of the MSR driver\n"
" -n, --num_iterations num\n"
" number of the measurement iterations\n"
" -N, --header_iterations num\n"
@@ -2597,6 +2625,7 @@ unsigned long long snapshot_sysfs_counter(char *path)
int get_mp(int cpu, struct msr_counter *mp, unsigned long long *counterp)
{
if (mp->msr_num != 0) {
+ assert(!no_msr);
if (get_msr(cpu, mp->msr_num, counterp))
return -1;
} else {
@@ -2646,6 +2675,9 @@ int get_epb(int cpu)
return epb;
msr_fallback:
+ if (no_msr)
+ return -1;
+
get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr);
return msr & 0xf;
@@ -2865,7 +2897,7 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
if (DO_BIC(BIC_CORE_THROT_CNT))
get_core_throt_cnt(cpu, &c->core_throt_cnt);
- if (platform->rapl_msrs & RAPL_AMD_F17H) {
+ if ((platform->rapl_msrs & RAPL_AMD_F17H) && !no_msr) {
if (get_msr(cpu, MSR_CORE_ENERGY_STAT, &msr))
return -14;
c->core_energy = msr & 0xFFFFFFFF;
@@ -2930,41 +2962,44 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
if (DO_BIC(BIC_SYS_LPI))
p->sys_lpi = cpuidle_cur_sys_lpi_us;
- if (platform->rapl_msrs & RAPL_PKG) {
- if (get_msr_sum(cpu, MSR_PKG_ENERGY_STATUS, &msr))
- return -13;
- p->energy_pkg = msr;
- }
- if (platform->rapl_msrs & RAPL_CORE_ENERGY_STATUS) {
- if (get_msr_sum(cpu, MSR_PP0_ENERGY_STATUS, &msr))
- return -14;
- p->energy_cores = msr;
- }
- if (platform->rapl_msrs & RAPL_DRAM) {
- if (get_msr_sum(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
- return -15;
- p->energy_dram = msr;
- }
- if (platform->rapl_msrs & RAPL_GFX) {
- if (get_msr_sum(cpu, MSR_PP1_ENERGY_STATUS, &msr))
- return -16;
- p->energy_gfx = msr;
- }
- if (platform->rapl_msrs & RAPL_PKG_PERF_STATUS) {
- if (get_msr_sum(cpu, MSR_PKG_PERF_STATUS, &msr))
- return -16;
- p->rapl_pkg_perf_status = msr;
- }
- if (platform->rapl_msrs & RAPL_DRAM_PERF_STATUS) {
- if (get_msr_sum(cpu, MSR_DRAM_PERF_STATUS, &msr))
- return -16;
- p->rapl_dram_perf_status = msr;
- }
- if (platform->rapl_msrs & RAPL_AMD_F17H) {
- if (get_msr_sum(cpu, MSR_PKG_ENERGY_STAT, &msr))
- return -13;
- p->energy_pkg = msr;
+ if (!no_msr) {
+ if (platform->rapl_msrs & RAPL_PKG) {
+ if (get_msr_sum(cpu, MSR_PKG_ENERGY_STATUS, &msr))
+ return -13;
+ p->energy_pkg = msr;
+ }
+ if (platform->rapl_msrs & RAPL_CORE_ENERGY_STATUS) {
+ if (get_msr_sum(cpu, MSR_PP0_ENERGY_STATUS, &msr))
+ return -14;
+ p->energy_cores = msr;
+ }
+ if (platform->rapl_msrs & RAPL_DRAM) {
+ if (get_msr_sum(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
+ return -15;
+ p->energy_dram = msr;
+ }
+ if (platform->rapl_msrs & RAPL_GFX) {
+ if (get_msr_sum(cpu, MSR_PP1_ENERGY_STATUS, &msr))
+ return -16;
+ p->energy_gfx = msr;
+ }
+ if (platform->rapl_msrs & RAPL_PKG_PERF_STATUS) {
+ if (get_msr_sum(cpu, MSR_PKG_PERF_STATUS, &msr))
+ return -16;
+ p->rapl_pkg_perf_status = msr;
+ }
+ if (platform->rapl_msrs & RAPL_DRAM_PERF_STATUS) {
+ if (get_msr_sum(cpu, MSR_DRAM_PERF_STATUS, &msr))
+ return -16;
+ p->rapl_dram_perf_status = msr;
+ }
+ if (platform->rapl_msrs & RAPL_AMD_F17H) {
+ if (get_msr_sum(cpu, MSR_PKG_ENERGY_STAT, &msr))
+ return -13;
+ p->energy_pkg = msr;
+ }
}
+
if (DO_BIC(BIC_PkgTmp)) {
if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
return -17;
@@ -3072,7 +3107,7 @@ void probe_cst_limit(void)
unsigned long long msr;
int *pkg_cstate_limits;
- if (!platform->has_nhm_msrs)
+ if (!platform->has_nhm_msrs || no_msr)
return;
switch (platform->cst_limit) {
@@ -3116,7 +3151,7 @@ static void dump_platform_info(void)
unsigned long long msr;
unsigned int ratio;
- if (!platform->has_nhm_msrs)
+ if (!platform->has_nhm_msrs || no_msr)
return;
get_msr(base_cpu, MSR_PLATFORM_INFO, &msr);
@@ -3134,7 +3169,7 @@ static void dump_power_ctl(void)
{
unsigned long long msr;
- if (!platform->has_nhm_msrs)
+ if (!platform->has_nhm_msrs || no_msr)
return;
get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr);
@@ -3340,7 +3375,7 @@ static void dump_cst_cfg(void)
{
unsigned long long msr;
- if (!platform->has_nhm_msrs)
+ if (!platform->has_nhm_msrs || no_msr)
return;
get_msr(base_cpu, MSR_PKG_CST_CONFIG_CONTROL, &msr);
@@ -3412,7 +3447,7 @@ void print_irtl(void)
{
unsigned long long msr;
- if (!platform->has_irtl_msrs)
+ if (!platform->has_irtl_msrs || no_msr)
return;
if (platform->supported_cstates & PC3) {
@@ -4193,6 +4228,8 @@ int get_msr_sum(int cpu, off_t offset, unsigned long long *msr)
int ret, idx;
unsigned long long msr_cur, msr_last;
+ assert(!no_msr);
+
if (!per_cpu_msr_sum)
return 1;
@@ -4221,6 +4258,8 @@ static int update_msr_sum(struct thread_data *t, struct core_data *c, struct pkg
UNUSED(c);
UNUSED(p);
+ assert(!no_msr);
+
for (i = IDX_PKG_ENERGY; i < IDX_COUNT; i++) {
unsigned long long msr_cur, msr_last;
off_t offset;
@@ -4465,7 +4504,7 @@ void check_permissions(void)
sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
if (euidaccess(pathname, R_OK)) {
do_exit++;
- warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr");
+ warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr, or run with --no-msr");
}
/* if all else fails, thell them to be root */
@@ -4482,7 +4521,7 @@ void probe_bclk(void)
unsigned long long msr;
unsigned int base_ratio;
- if (!platform->has_nhm_msrs)
+ if (!platform->has_nhm_msrs || no_msr)
return;
if (platform->bclk_freq == BCLK_100MHZ)
@@ -4522,7 +4561,7 @@ static void dump_turbo_ratio_info(void)
if (!has_turbo)
return;
- if (!platform->has_nhm_msrs)
+ if (!platform->has_nhm_msrs || no_msr)
return;
if (platform->trl_msrs & TRL_LIMIT2)
@@ -4845,6 +4884,9 @@ int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p)
UNUSED(c);
UNUSED(p);
+ if (no_msr)
+ return 0;
+
if (!has_hwp)
return 0;
@@ -4931,6 +4973,9 @@ int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data
UNUSED(c);
UNUSED(p);
+ if (no_msr)
+ return 0;
+
cpu = t->cpu_id;
/* per-package */
@@ -5264,7 +5309,7 @@ int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
*/
void probe_rapl(void)
{
- if (!platform->rapl_msrs)
+ if (!platform->rapl_msrs || no_msr)
return;
if (genuine_intel)
@@ -5320,7 +5365,7 @@ int set_temperature_target(struct thread_data *t, struct core_data *c, struct pk
}
/* Temperature Target MSR is Nehalem and newer only */
- if (!platform->has_nhm_msrs)
+ if (!platform->has_nhm_msrs || no_msr)
goto guess;
if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr))
@@ -5367,6 +5412,9 @@ int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p
UNUSED(c);
UNUSED(p);
+ if (no_msr)
+ return 0;
+
if (!(do_dts || do_ptm))
return 0;
@@ -5464,6 +5512,9 @@ void decode_feature_control_msr(void)
{
unsigned long long msr;
+ if (no_msr)
+ return;
+
if (!get_msr(base_cpu, MSR_IA32_FEAT_CTL, &msr))
fprintf(outf, "cpu%d: MSR_IA32_FEATURE_CONTROL: 0x%08llx (%sLocked %s)\n",
base_cpu, msr, msr & FEAT_CTL_LOCKED ? "" : "UN-", msr & (1 << 18) ? "SGX" : "");
@@ -5473,6 +5524,9 @@ void decode_misc_enable_msr(void)
{
unsigned long long msr;
+ if (no_msr)
+ return;
+
if (!genuine_intel)
return;
@@ -5490,6 +5544,9 @@ void decode_misc_feature_control(void)
{
unsigned long long msr;
+ if (no_msr)
+ return;
+
if (!platform->has_msr_misc_feature_control)
return;
@@ -5511,6 +5568,9 @@ void decode_misc_pwr_mgmt_msr(void)
{
unsigned long long msr;
+ if (no_msr)
+ return;
+
if (!platform->has_msr_misc_pwr_mgmt)
return;
@@ -5530,6 +5590,9 @@ void decode_c6_demotion_policy_msr(void)
{
unsigned long long msr;
+ if (no_msr)
+ return;
+
if (!platform->has_msr_c6_demotion_policy_config)
return;
@@ -5626,7 +5689,7 @@ void probe_cstates(void)
if (platform->has_msr_module_c6_res_ms)
BIC_PRESENT(BIC_Mod_c6);
- if (platform->has_ext_cst_msrs) {
+ if (platform->has_ext_cst_msrs && !no_msr) {
BIC_PRESENT(BIC_Totl_c0);
BIC_PRESENT(BIC_Any_c0);
BIC_PRESENT(BIC_GFX_c0);
@@ -5714,10 +5777,12 @@ void process_cpuid()
ecx_flags = ecx;
edx_flags = edx;
- if (get_msr(sched_getcpu(), MSR_IA32_UCODE_REV, &ucode_patch))
- warnx("get_msr(UCODE)");
- else
- ucode_patch_valid = true;
+ if (!no_msr) {
+ if (get_msr(sched_getcpu(), MSR_IA32_UCODE_REV, &ucode_patch))
+ warnx("get_msr(UCODE)");
+ else
+ ucode_patch_valid = true;
+ }
/*
* check max extended function levels of CPUID.
@@ -5892,7 +5957,7 @@ void probe_pm_features(void)
probe_thermal();
- if (platform->has_nhm_msrs)
+ if (platform->has_nhm_msrs && !no_msr)
BIC_PRESENT(BIC_SMI);
if (!quiet)
@@ -6252,8 +6317,10 @@ void turbostat_init()
{
setup_all_buffers(true);
set_base_cpu();
- check_dev_msr();
- check_permissions();
+ if (!no_msr) {
+ check_dev_msr();
+ check_permissions();
+ }
process_cpuid();
probe_pm_features();
linux_perf_init();
@@ -6370,6 +6437,9 @@ int add_counter(unsigned int msr_num, char *path, char *name,
{
struct msr_counter *msrp;
+ if (no_msr && msr_num)
+ errx(1, "Requested MSR counter 0x%x, but in --no-msr mode", msr_num);
+
msrp = calloc(1, sizeof(struct msr_counter));
if (msrp == NULL) {
perror("calloc");
@@ -6674,6 +6744,7 @@ void cmdline(int argc, char **argv)
{ "list", no_argument, 0, 'l' },
{ "out", required_argument, 0, 'o' },
{ "quiet", no_argument, 0, 'q' },
+ { "no-msr", no_argument, 0, 'M' },
{ "show", required_argument, 0, 's' },
{ "Summary", no_argument, 0, 'S' },
{ "TCC", required_argument, 0, 'T' },
@@ -6683,7 +6754,22 @@ void cmdline(int argc, char **argv)
progname = argv[0];
- while ((opt = getopt_long_only(argc, argv, "+C:c:Dde:hi:Jn:o:qST:v", long_options, &option_index)) != -1) {
+ /*
+ * Parse some options early, because they may make other options invalid,
+ * like adding the MSR counter with --add and at the same time using --no-msr.
+ */
+ while ((opt = getopt_long_only(argc, argv, "M", long_options, &option_index)) != -1) {
+ switch (opt) {
+ case 'M':
+ no_msr = 1;
+ break;
+ default:
+ break;
+ }
+ }
+ optind = 0;
+
+ while ((opt = getopt_long_only(argc, argv, "+C:c:Dde:hi:Jn:o:qMST:v", long_options, &option_index)) != -1) {
switch (opt) {
case 'a':
parse_add_command(optarg);
@@ -6741,6 +6827,9 @@ void cmdline(int argc, char **argv)
case 'q':
quiet = 1;
break;
+ case 'M':
+ /* Parsed earlier */
+ break;
case 'n':
num_iterations = strtod(optarg, NULL);
@@ -6817,6 +6906,9 @@ int main(int argc, char **argv)
outf = stderr;
cmdline(argc, argv);
+ if (no_msr)
+ bic_disable_msr_access();
+
if (!quiet) {
print_version();
print_bootcmd();
@@ -6829,7 +6921,8 @@ int main(int argc, char **argv)
turbostat_init();
- msr_sum_record();
+ if (!no_msr)
+ msr_sum_record();
/* dump counters and exit */
if (dump_only)
--
GitLab
From a0e86c90b83c118985260e36490583b5a38d4359 Mon Sep 17 00:00:00 2001
From: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Date: Thu, 11 Jan 2024 15:58:02 +0100
Subject: [PATCH 1985/2686] tools/power turbostat: Add --no-perf option
Add the --no-perf option to allow users to run turbostat without
accessing perf.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.8 | 2 ++
tools/power/x86/turbostat/turbostat.c | 25 ++++++++++++++++++++++---
2 files changed, 24 insertions(+), 3 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8
index 28be452fbfe2f..567327b004e68 100644
--- a/tools/power/x86/turbostat/turbostat.8
+++ b/tools/power/x86/turbostat/turbostat.8
@@ -69,6 +69,8 @@ The column name "all" can be used to enable all disabled-by-default built-in cou
.PP
+\fB--no-msr\fP Disable all the uses of the MSR driver.
+.PP
++\fB--no-perf\fP Disable all the uses of the perf API.
++.PP
\fB--interval seconds\fP overrides the default 5.0 second measurement interval.
.PP
\fB--num_iterations num\fP number of the measurement iterations.
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 4d5437a9725bf..bad2fec7f3424 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -267,6 +267,7 @@ unsigned int has_hwp_pkg; /* IA32_HWP_REQUEST_PKG */
unsigned int first_counter_read = 1;
int ignore_stdin;
bool no_msr;
+bool no_perf;
int get_msr(int cpu, off_t offset, unsigned long long *msr);
@@ -1314,8 +1315,17 @@ static void bic_disable_msr_access(void)
bic_enabled &= ~bic_msrs;
}
+static void bic_disable_perf_access(void)
+{
+ const unsigned long bic_perf = BIC_IPC;
+
+ bic_enabled &= ~bic_perf;
+}
+
static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid, int cpu, int group_fd, unsigned long flags)
{
+ assert(!no_perf);
+
return syscall(__NR_perf_event_open, hw_event, pid, cpu, group_fd, flags);
}
@@ -1332,8 +1342,8 @@ static int perf_instr_count_open(int cpu_num)
/* counter for cpu_num, including user + kernel and all processes */
fd = perf_event_open(&pea, -1, cpu_num, -1, 0);
if (fd == -1) {
- warnx("capget(CAP_PERFMON) failed, try \"# setcap cap_sys_admin=ep %s\"", progname);
- BIC_NOT_PRESENT(BIC_IPC);
+ warnx("capget(CAP_PERFMON) failed, try \"# setcap cap_sys_admin=ep %s\" or use --no-perf", progname);
+ bic_disable_perf_access();
}
return fd;
@@ -1399,6 +1409,7 @@ void help(void)
" -J, --Joules displays energy in Joules instead of Watts\n"
" -l, --list list column headers only\n"
" -M, --no-msr Disable all uses of the MSR driver\n"
+ " -P, --no-perf Disable all uses of the perf API\n"
" -n, --num_iterations num\n"
" number of the measurement iterations\n"
" -N, --header_iterations num\n"
@@ -6745,6 +6756,7 @@ void cmdline(int argc, char **argv)
{ "out", required_argument, 0, 'o' },
{ "quiet", no_argument, 0, 'q' },
{ "no-msr", no_argument, 0, 'M' },
+ { "no-perf", no_argument, 0, 'P' },
{ "show", required_argument, 0, 's' },
{ "Summary", no_argument, 0, 'S' },
{ "TCC", required_argument, 0, 'T' },
@@ -6758,11 +6770,14 @@ void cmdline(int argc, char **argv)
* Parse some options early, because they may make other options invalid,
* like adding the MSR counter with --add and at the same time using --no-msr.
*/
- while ((opt = getopt_long_only(argc, argv, "M", long_options, &option_index)) != -1) {
+ while ((opt = getopt_long_only(argc, argv, "MP", long_options, &option_index)) != -1) {
switch (opt) {
case 'M':
no_msr = 1;
break;
+ case 'P':
+ no_perf = 1;
+ break;
default:
break;
}
@@ -6828,6 +6843,7 @@ void cmdline(int argc, char **argv)
quiet = 1;
break;
case 'M':
+ case 'P':
/* Parsed earlier */
break;
case 'n':
@@ -6909,6 +6925,9 @@ int main(int argc, char **argv)
if (no_msr)
bic_disable_msr_access();
+ if (no_perf)
+ bic_disable_perf_access();
+
if (!quiet) {
print_version();
print_bootcmd();
--
GitLab
From e48934c9f1048ed4640b60321baf1986d1a470e1 Mon Sep 17 00:00:00 2001
From: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Date: Thu, 11 Jan 2024 16:42:22 +0100
Subject: [PATCH 1986/2686] tools/power turbostat: Add reading aperf and mperf
via perf API
By using the perf API we spend less time in between the reads of the
counters, resulting in more accurate calculations of the dependent
metrics.
Using perf API is also usually faster overall, although cache miss, if
we get one, is more costly when using perf vs MSR driver.
We would fallback to the msr reads if the sysfs isn't there or when in
--no-perf mode.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 374 +++++++++++++++++++++-----
1 file changed, 301 insertions(+), 73 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index bad2fec7f3424..1294c46c2170a 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -59,6 +59,7 @@
enum counter_scope { SCOPE_CPU, SCOPE_CORE, SCOPE_PACKAGE };
enum counter_type { COUNTER_ITEMS, COUNTER_CYCLES, COUNTER_SECONDS, COUNTER_USEC };
enum counter_format { FORMAT_RAW, FORMAT_DELTA, FORMAT_PERCENT };
+enum amperf_source { AMPERF_SOURCE_PERF, AMPERF_SOURCE_MSR };
struct msr_counter {
unsigned int msr_num;
@@ -207,10 +208,13 @@ unsigned long long bic_present = BIC_USEC | BIC_TOD | BIC_sysfs | BIC_APIC | BIC
#define BIC_NOT_PRESENT(COUNTER_BIT) (bic_present &= ~COUNTER_BIT)
#define BIC_IS_ENABLED(COUNTER_BIT) (bic_enabled & COUNTER_BIT)
+struct amperf_group_fd;
+
char *proc_stat = "/proc/stat";
FILE *outf;
int *fd_percpu;
int *fd_instr_count_percpu;
+struct amperf_group_fd *fd_amperf_percpu; /* File descriptors for perf group with APERF and MPERF counters. */
struct timeval interval_tv = { 5, 0 };
struct timespec interval_ts = { 5, 0 };
@@ -268,6 +272,7 @@ unsigned int first_counter_read = 1;
int ignore_stdin;
bool no_msr;
bool no_perf;
+enum amperf_source amperf_source;
int get_msr(int cpu, off_t offset, unsigned long long *msr);
@@ -1296,9 +1301,6 @@ int get_msr_fd(int cpu)
static void bic_disable_msr_access(void)
{
const unsigned long bic_msrs =
- BIC_Avg_MHz |
- BIC_Busy |
- BIC_Bzy_MHz |
BIC_SMI |
BIC_CPU_c1 |
BIC_CPU_c3 |
@@ -1329,21 +1331,30 @@ static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid, int cpu
return syscall(__NR_perf_event_open, hw_event, pid, cpu, group_fd, flags);
}
-static int perf_instr_count_open(int cpu_num)
+static long open_perf_counter_or_fail(int cpu, unsigned int type, unsigned int config, int group_fd, __u64 read_format)
{
- struct perf_event_attr pea;
- int fd;
+ struct perf_event_attr attr;
+ const pid_t pid = -1;
+ const unsigned long flags = 0;
+
+ memset(&attr, 0, sizeof(struct perf_event_attr));
- memset(&pea, 0, sizeof(struct perf_event_attr));
- pea.type = PERF_TYPE_HARDWARE;
- pea.size = sizeof(struct perf_event_attr);
- pea.config = PERF_COUNT_HW_INSTRUCTIONS;
+ attr.type = type;
+ attr.size = sizeof(struct perf_event_attr);
+ attr.config = config;
+ attr.disabled = 0;
+ attr.sample_type = PERF_SAMPLE_IDENTIFIER;
+ attr.read_format = read_format;
- /* counter for cpu_num, including user + kernel and all processes */
- fd = perf_event_open(&pea, -1, cpu_num, -1, 0);
+ const int fd = perf_event_open(&attr, pid, cpu, group_fd, flags);
if (fd == -1) {
- warnx("capget(CAP_PERFMON) failed, try \"# setcap cap_sys_admin=ep %s\" or use --no-perf", progname);
- bic_disable_perf_access();
+ if (errno == EACCES) {
+ errx(1, "capget(CAP_PERFMON) failed, try \"# setcap cap_sys_admin=ep %s\""
+ " or use --no-perf or run as root", progname);
+ } else {
+ perror("perf_event_open");
+ errx(1, "use --no-perf or run as root");
+ }
}
return fd;
@@ -1354,7 +1365,8 @@ int get_instr_count_fd(int cpu)
if (fd_instr_count_percpu[cpu])
return fd_instr_count_percpu[cpu];
- fd_instr_count_percpu[cpu] = perf_instr_count_open(cpu);
+ fd_instr_count_percpu[cpu] =
+ open_perf_counter_or_fail(cpu, PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS, -1, 0);
return fd_instr_count_percpu[cpu];
}
@@ -2762,6 +2774,175 @@ int get_core_throt_cnt(int cpu, unsigned long long *cnt)
return 0;
}
+struct amperf_group_fd {
+ int aperf; /* Also the group descriptor */
+ int mperf;
+};
+
+static unsigned int read_perf_counter_info(const char *const path, const char *const parse_format)
+{
+ int fdmt;
+ char buf[16];
+ unsigned int v;
+
+ fdmt = open(path, O_RDONLY, 0);
+ if (fdmt == -1)
+ errx(1, "Failed to read perf counter info %s\n", path);
+
+ if (read(fdmt, buf, sizeof(buf)) <= 0)
+ return 0;
+
+ buf[sizeof(buf) - 1] = '\0';
+
+ if (sscanf(buf, parse_format, &v) != 1)
+ errx(1, "Failed to parse perf counter info %s\n", path);
+
+ close(fdmt);
+
+ return v;
+}
+
+static unsigned read_msr_type(void)
+{
+ const char *const path = "/sys/bus/event_source/devices/msr/type";
+ const char *const format = "%u";
+
+ return read_perf_counter_info(path, format);
+}
+
+static unsigned read_aperf_config(void)
+{
+ const char *const path = "/sys/bus/event_source/devices/msr/events/aperf";
+ const char *const format = "event=%x";
+
+ return read_perf_counter_info(path, format);
+}
+
+static unsigned read_mperf_config(void)
+{
+ const char *const path = "/sys/bus/event_source/devices/msr/events/mperf";
+ const char *const format = "event=%x";
+
+ return read_perf_counter_info(path, format);
+}
+
+static struct amperf_group_fd open_amperf_fd(int cpu)
+{
+ const unsigned int msr_type = read_msr_type();
+ const unsigned int aperf_config = read_aperf_config();
+ const unsigned int mperf_config = read_mperf_config();
+ struct amperf_group_fd fds = {.aperf = -1,.mperf = -1 };
+
+ fds.aperf = open_perf_counter_or_fail(cpu, msr_type, aperf_config, -1, PERF_FORMAT_GROUP);
+ fds.mperf = open_perf_counter_or_fail(cpu, msr_type, mperf_config, fds.aperf, PERF_FORMAT_GROUP);
+
+ return fds;
+}
+
+static int get_amperf_fd(int cpu)
+{
+ assert(fd_amperf_percpu);
+
+ if (fd_amperf_percpu[cpu].aperf)
+ return fd_amperf_percpu[cpu].aperf;
+
+ fd_amperf_percpu[cpu] = open_amperf_fd(cpu);
+
+ return fd_amperf_percpu[cpu].aperf;
+}
+
+/* Read APERF, MPERF and TSC using the perf API. */
+static int read_aperf_mperf_tsc_perf(struct thread_data *t, int cpu)
+{
+ union {
+ struct {
+ unsigned long nr_entries;
+ unsigned long aperf;
+ unsigned long mperf;
+ };
+
+ unsigned long as_array[3];
+ } cnt;
+
+ const int fd_amperf = get_amperf_fd(cpu);
+
+ /*
+ * Read the TSC with rdtsc, because we want the absolute value and not
+ * the offset from the start of the counter.
+ */
+ t->tsc = rdtsc();
+
+ const int n = read(fd_amperf, &cnt.as_array[0], sizeof(cnt.as_array));
+ if (n != sizeof(cnt.as_array))
+ return -2;
+
+ t->aperf = cnt.aperf * aperf_mperf_multiplier;
+ t->mperf = cnt.mperf * aperf_mperf_multiplier;
+
+ return 0;
+}
+
+/* Read APERF, MPERF and TSC using the MSR driver and rdtsc instruction. */
+static int read_aperf_mperf_tsc_msr(struct thread_data *t, int cpu)
+{
+ unsigned long long tsc_before, tsc_between, tsc_after, aperf_time, mperf_time;
+ int aperf_mperf_retry_count = 0;
+
+ /*
+ * The TSC, APERF and MPERF must be read together for
+ * APERF/MPERF and MPERF/TSC to give accurate results.
+ *
+ * Unfortunately, APERF and MPERF are read by
+ * individual system call, so delays may occur
+ * between them. If the time to read them
+ * varies by a large amount, we re-read them.
+ */
+
+ /*
+ * This initial dummy APERF read has been seen to
+ * reduce jitter in the subsequent reads.
+ */
+
+ if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
+ return -3;
+
+retry:
+ t->tsc = rdtsc(); /* re-read close to APERF */
+
+ tsc_before = t->tsc;
+
+ if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
+ return -3;
+
+ tsc_between = rdtsc();
+
+ if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
+ return -4;
+
+ tsc_after = rdtsc();
+
+ aperf_time = tsc_between - tsc_before;
+ mperf_time = tsc_after - tsc_between;
+
+ /*
+ * If the system call latency to read APERF and MPERF
+ * differ by more than 2x, then try again.
+ */
+ if ((aperf_time > (2 * mperf_time)) || (mperf_time > (2 * aperf_time))) {
+ aperf_mperf_retry_count++;
+ if (aperf_mperf_retry_count < 5)
+ goto retry;
+ else
+ warnx("cpu%d jitter %lld %lld", cpu, aperf_time, mperf_time);
+ }
+ aperf_mperf_retry_count = 0;
+
+ t->aperf = t->aperf * aperf_mperf_multiplier;
+ t->mperf = t->mperf * aperf_mperf_multiplier;
+
+ return 0;
+}
+
/*
* get_counters(...)
* migrate to cpu
@@ -2771,7 +2952,6 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
int cpu = t->cpu_id;
unsigned long long msr;
- int aperf_mperf_retry_count = 0;
struct msr_counter *mp;
int i;
@@ -2784,63 +2964,26 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
if (first_counter_read)
get_apic_id(t);
-retry:
+
t->tsc = rdtsc(); /* we are running on local CPU of interest */
if (DO_BIC(BIC_Avg_MHz) || DO_BIC(BIC_Busy) || DO_BIC(BIC_Bzy_MHz) || DO_BIC(BIC_IPC)
|| soft_c1_residency_display(BIC_Avg_MHz)) {
- unsigned long long tsc_before, tsc_between, tsc_after, aperf_time, mperf_time;
-
- /*
- * The TSC, APERF and MPERF must be read together for
- * APERF/MPERF and MPERF/TSC to give accurate results.
- *
- * Unfortunately, APERF and MPERF are read by
- * individual system call, so delays may occur
- * between them. If the time to read them
- * varies by a large amount, we re-read them.
- */
-
- /*
- * This initial dummy APERF read has been seen to
- * reduce jitter in the subsequent reads.
- */
-
- if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
- return -3;
-
- t->tsc = rdtsc(); /* re-read close to APERF */
-
- tsc_before = t->tsc;
-
- if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
- return -3;
-
- tsc_between = rdtsc();
-
- if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
- return -4;
+ int status = -1;
- tsc_after = rdtsc();
+ assert(!no_perf || !no_msr);
- aperf_time = tsc_between - tsc_before;
- mperf_time = tsc_after - tsc_between;
-
- /*
- * If the system call latency to read APERF and MPERF
- * differ by more than 2x, then try again.
- */
- if ((aperf_time > (2 * mperf_time)) || (mperf_time > (2 * aperf_time))) {
- aperf_mperf_retry_count++;
- if (aperf_mperf_retry_count < 5)
- goto retry;
- else
- warnx("cpu%d jitter %lld %lld", cpu, aperf_time, mperf_time);
+ switch (amperf_source) {
+ case AMPERF_SOURCE_PERF:
+ status = read_aperf_mperf_tsc_perf(t, cpu);
+ break;
+ case AMPERF_SOURCE_MSR:
+ status = read_aperf_mperf_tsc_msr(t, cpu);
+ break;
}
- aperf_mperf_retry_count = 0;
- t->aperf = t->aperf * aperf_mperf_multiplier;
- t->mperf = t->mperf * aperf_mperf_multiplier;
+ if (status != 0)
+ return status;
}
if (DO_BIC(BIC_IPC))
@@ -3516,6 +3659,21 @@ void free_fd_percpu(void)
free(fd_percpu);
}
+void free_fd_amperf_percpu(void)
+{
+ int i;
+
+ for (i = 0; i < topo.max_cpu_num + 1; ++i) {
+ if (fd_amperf_percpu[i].mperf != 0)
+ close(fd_amperf_percpu[i].mperf);
+
+ if (fd_amperf_percpu[i].aperf != 0)
+ close(fd_amperf_percpu[i].aperf);
+ }
+
+ free(fd_amperf_percpu);
+}
+
void free_all_buffers(void)
{
int i;
@@ -3557,6 +3715,7 @@ void free_all_buffers(void)
outp = NULL;
free_fd_percpu();
+ free_fd_amperf_percpu();
free(irq_column_2_cpu);
free(irqs_per_cpu);
@@ -5647,17 +5806,62 @@ void print_dev_latency(void)
*/
void linux_perf_init(void)
{
- if (!BIC_IS_ENABLED(BIC_IPC))
- return;
-
if (access("/proc/sys/kernel/perf_event_paranoid", F_OK))
return;
- fd_instr_count_percpu = calloc(topo.max_cpu_num + 1, sizeof(int));
- if (fd_instr_count_percpu == NULL)
- err(-1, "calloc fd_instr_count_percpu");
+ if (BIC_IS_ENABLED(BIC_IPC) && has_aperf) {
+ fd_instr_count_percpu = calloc(topo.max_cpu_num + 1, sizeof(int));
+ if (fd_instr_count_percpu == NULL)
+ err(-1, "calloc fd_instr_count_percpu");
+ }
- BIC_PRESENT(BIC_IPC);
+ const bool aperf_required = BIC_IS_ENABLED(BIC_Avg_MHz) || BIC_IS_ENABLED(BIC_Busy) ||
+ BIC_IS_ENABLED(BIC_Bzy_MHz) || BIC_IS_ENABLED(BIC_IPC);
+ if (aperf_required && has_aperf && amperf_source == AMPERF_SOURCE_PERF) {
+ fd_amperf_percpu = calloc(topo.max_cpu_num + 1, sizeof(*fd_amperf_percpu));
+ if (fd_amperf_percpu == NULL)
+ err(-1, "calloc fd_amperf_percpu");
+ }
+}
+
+static int has_amperf_access_via_msr(void)
+{
+ const int cpu = sched_getcpu();
+ unsigned long long dummy;
+
+ if (get_msr(cpu, MSR_IA32_APERF, &dummy))
+ return 0;
+
+ if (get_msr(cpu, MSR_IA32_MPERF, &dummy))
+ return 0;
+
+ return 1;
+}
+
+static int has_amperf_access_via_perf(void)
+{
+ if (access("/sys/bus/event_source/devices/msr/type", F_OK))
+ return 0;
+
+ if (access("/sys/bus/event_source/devices/msr/events/aperf", F_OK))
+ return 0;
+
+ if (access("/sys/bus/event_source/devices/msr/events/mperf", F_OK))
+ return 0;
+
+ return 1;
+}
+
+/* Check if we can access APERF and MPERF */
+static int has_amperf_access(void)
+{
+ if (!no_msr && has_amperf_access_via_msr())
+ return 1;
+
+ if (!no_perf && has_amperf_access_via_perf())
+ return 1;
+
+ return 0;
}
void probe_cstates(void)
@@ -5845,10 +6049,11 @@ void process_cpuid()
__cpuid(0x6, eax, ebx, ecx, edx);
has_aperf = ecx & (1 << 0);
- if (has_aperf) {
+ if (has_aperf && has_amperf_access()) {
BIC_PRESENT(BIC_Avg_MHz);
BIC_PRESENT(BIC_Busy);
BIC_PRESENT(BIC_Bzy_MHz);
+ BIC_PRESENT(BIC_IPC);
}
do_dts = eax & (1 << 0);
if (do_dts)
@@ -6324,6 +6529,19 @@ void set_base_cpu(void)
err(-ENODEV, "No valid cpus found");
}
+static void set_amperf_source(void)
+{
+ amperf_source = AMPERF_SOURCE_PERF;
+
+ if (no_perf || !has_amperf_access_via_perf())
+ amperf_source = AMPERF_SOURCE_MSR;
+
+ if (quiet || !debug)
+ return;
+
+ fprintf(outf, "aperf/mperf source preference: %s\n", amperf_source == AMPERF_SOURCE_MSR ? "msr" : "perf");
+}
+
void turbostat_init()
{
setup_all_buffers(true);
@@ -6334,6 +6552,7 @@ void turbostat_init()
}
process_cpuid();
probe_pm_features();
+ set_amperf_source();
linux_perf_init();
for_all_cpus(get_cpu_type, ODD_COUNTERS);
@@ -6341,6 +6560,15 @@ void turbostat_init()
if (DO_BIC(BIC_IPC))
(void)get_instr_count_fd(base_cpu);
+
+ /*
+ * If TSC tweak is needed, but couldn't get it,
+ * disable more BICs, since it can't be reported accurately.
+ */
+ if (platform->enable_tsc_tweak && !has_base_hz) {
+ bic_enabled &= ~BIC_Busy;
+ bic_enabled &= ~BIC_Bzy_MHz;
+ }
}
int fork_it(char **argv)
--
GitLab
From 5088741ec805cd249e27c7176ed09bdab164960e Mon Sep 17 00:00:00 2001
From: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Date: Mon, 15 Jan 2024 19:04:21 +0100
Subject: [PATCH 1987/2686] tools/power turbostat: detect and disable
unavailable BICs at runtime
To allow unprivileged user to run turbostat seamlessly.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 188 +++++++++++++++++---------
1 file changed, 125 insertions(+), 63 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 1294c46c2170a..30db6e92193a1 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -1317,13 +1317,6 @@ static void bic_disable_msr_access(void)
bic_enabled &= ~bic_msrs;
}
-static void bic_disable_perf_access(void)
-{
- const unsigned long bic_perf = BIC_IPC;
-
- bic_enabled &= ~bic_perf;
-}
-
static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid, int cpu, int group_fd, unsigned long flags)
{
assert(!no_perf);
@@ -1331,12 +1324,14 @@ static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid, int cpu
return syscall(__NR_perf_event_open, hw_event, pid, cpu, group_fd, flags);
}
-static long open_perf_counter_or_fail(int cpu, unsigned int type, unsigned int config, int group_fd, __u64 read_format)
+static long open_perf_counter(int cpu, unsigned int type, unsigned int config, int group_fd, __u64 read_format)
{
struct perf_event_attr attr;
const pid_t pid = -1;
const unsigned long flags = 0;
+ assert(!no_perf);
+
memset(&attr, 0, sizeof(struct perf_event_attr));
attr.type = type;
@@ -1347,15 +1342,6 @@ static long open_perf_counter_or_fail(int cpu, unsigned int type, unsigned int c
attr.read_format = read_format;
const int fd = perf_event_open(&attr, pid, cpu, group_fd, flags);
- if (fd == -1) {
- if (errno == EACCES) {
- errx(1, "capget(CAP_PERFMON) failed, try \"# setcap cap_sys_admin=ep %s\""
- " or use --no-perf or run as root", progname);
- } else {
- perror("perf_event_open");
- errx(1, "use --no-perf or run as root");
- }
- }
return fd;
}
@@ -1365,8 +1351,7 @@ int get_instr_count_fd(int cpu)
if (fd_instr_count_percpu[cpu])
return fd_instr_count_percpu[cpu];
- fd_instr_count_percpu[cpu] =
- open_perf_counter_or_fail(cpu, PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS, -1, 0);
+ fd_instr_count_percpu[cpu] = open_perf_counter(cpu, PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS, -1, 0);
return fd_instr_count_percpu[cpu];
}
@@ -2833,8 +2818,8 @@ static struct amperf_group_fd open_amperf_fd(int cpu)
const unsigned int mperf_config = read_mperf_config();
struct amperf_group_fd fds = {.aperf = -1,.mperf = -1 };
- fds.aperf = open_perf_counter_or_fail(cpu, msr_type, aperf_config, -1, PERF_FORMAT_GROUP);
- fds.mperf = open_perf_counter_or_fail(cpu, msr_type, mperf_config, fds.aperf, PERF_FORMAT_GROUP);
+ fds.aperf = open_perf_counter(cpu, msr_type, aperf_config, -1, PERF_FORMAT_GROUP);
+ fds.mperf = open_perf_counter(cpu, msr_type, mperf_config, fds.aperf, PERF_FORMAT_GROUP);
return fds;
}
@@ -4509,7 +4494,8 @@ void msr_sum_record(void)
/*
* set_my_sched_priority(pri)
- * return previous
+ * return previous priority on success
+ * return value < -20 on failure
*/
int set_my_sched_priority(int priority)
{
@@ -4519,16 +4505,16 @@ int set_my_sched_priority(int priority)
errno = 0;
original_priority = getpriority(PRIO_PROCESS, 0);
if (errno && (original_priority == -1))
- err(errno, "getpriority");
+ return -21;
retval = setpriority(PRIO_PROCESS, 0, priority);
if (retval)
- errx(retval, "capget(CAP_SYS_NICE) failed,try \"# setcap cap_sys_nice=ep %s\"", progname);
+ return -21;
errno = 0;
retval = getpriority(PRIO_PROCESS, 0);
if (retval != priority)
- err(retval, "getpriority(%d) != setpriority(%d)", retval, priority);
+ return -21;
return original_priority;
}
@@ -4543,6 +4529,9 @@ void turbostat_loop()
/*
* elevate own priority for interval mode
+ *
+ * ignore on error - we probably don't have permission to set it, but
+ * it's not a big deal
*/
set_my_sched_priority(-20);
@@ -4628,10 +4617,13 @@ void check_dev_msr()
struct stat sb;
char pathname[32];
+ if (no_msr)
+ return;
+
sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
if (stat(pathname, &sb))
if (system("/sbin/modprobe msr > /dev/null 2>&1"))
- err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" ");
+ no_msr = 1;
}
/*
@@ -4643,47 +4635,51 @@ int check_for_cap_sys_rawio(void)
{
cap_t caps;
cap_flag_value_t cap_flag_value;
+ int ret = 0;
caps = cap_get_proc();
if (caps == NULL)
- err(-6, "cap_get_proc\n");
+ return 1;
- if (cap_get_flag(caps, CAP_SYS_RAWIO, CAP_EFFECTIVE, &cap_flag_value))
- err(-6, "cap_get\n");
+ if (cap_get_flag(caps, CAP_SYS_RAWIO, CAP_EFFECTIVE, &cap_flag_value)) {
+ ret = 1;
+ goto free_and_exit;
+ }
if (cap_flag_value != CAP_SET) {
- warnx("capget(CAP_SYS_RAWIO) failed," " try \"# setcap cap_sys_rawio=ep %s\"", progname);
- return 1;
+ ret = 1;
+ goto free_and_exit;
}
+free_and_exit:
if (cap_free(caps) == -1)
err(-6, "cap_free\n");
- return 0;
+ return ret;
}
-void check_permissions(void)
+void check_msr_permission(void)
{
- int do_exit = 0;
+ int failed = 0;
char pathname[32];
+ if (no_msr)
+ return;
+
/* check for CAP_SYS_RAWIO */
- do_exit += check_for_cap_sys_rawio();
+ failed += check_for_cap_sys_rawio();
/* test file permissions */
sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
if (euidaccess(pathname, R_OK)) {
- do_exit++;
- warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr, or run with --no-msr");
+ failed++;
}
- /* if all else fails, thell them to be root */
- if (do_exit)
- if (getuid() != 0)
- warnx("... or simply run as root");
-
- if (do_exit)
- exit(-6);
+ if (failed) {
+ warnx("Failed to access %s. Some of the counters may not be available\n"
+ "\tRun as root to enable them or use %s to disable the access explicitly", pathname, "--no-msr");
+ no_msr = 1;
+ }
}
void probe_bclk(void)
@@ -5800,6 +5796,28 @@ void print_dev_latency(void)
close(fd);
}
+static int has_instr_count_access(void)
+{
+ int fd;
+ int has_access;
+
+ if (no_perf)
+ return 0;
+
+ fd = open_perf_counter(base_cpu, PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS, -1, 0);
+ has_access = fd != -1;
+
+ if (fd != -1)
+ close(fd);
+
+ if (!has_access)
+ warnx("Failed to access %s. Some of the counters may not be available\n"
+ "\tRun as root to enable them or use %s to disable the access explicitly",
+ "instructions retired perf counter", "--no-perf");
+
+ return has_access;
+}
+
/*
* Linux-perf manages the HW instructions-retired counter
* by enabling when requested, and hiding rollover
@@ -5826,13 +5844,15 @@ void linux_perf_init(void)
static int has_amperf_access_via_msr(void)
{
- const int cpu = sched_getcpu();
unsigned long long dummy;
- if (get_msr(cpu, MSR_IA32_APERF, &dummy))
+ if (no_msr)
+ return 0;
+
+ if (get_msr(base_cpu, MSR_IA32_APERF, &dummy))
return 0;
- if (get_msr(cpu, MSR_IA32_MPERF, &dummy))
+ if (get_msr(base_cpu, MSR_IA32_MPERF, &dummy))
return 0;
return 1;
@@ -5840,16 +5860,44 @@ static int has_amperf_access_via_msr(void)
static int has_amperf_access_via_perf(void)
{
- if (access("/sys/bus/event_source/devices/msr/type", F_OK))
- return 0;
+ struct amperf_group_fd fds;
- if (access("/sys/bus/event_source/devices/msr/events/aperf", F_OK))
- return 0;
+ /*
+ * Cache the last result, so we don't warn the user multiple times
+ *
+ * Negative means cached, no access
+ * Zero means not cached
+ * Positive means cached, has access
+ */
+ static int has_access_cached;
- if (access("/sys/bus/event_source/devices/msr/events/mperf", F_OK))
+ if (no_perf)
return 0;
- return 1;
+ if (has_access_cached != 0)
+ return has_access_cached > 0;
+
+ fds = open_amperf_fd(base_cpu);
+ has_access_cached = (fds.aperf != -1) && (fds.mperf != -1);
+
+ if (fds.aperf == -1)
+ warnx("Failed to access %s. Some of the counters may not be available\n"
+ "\tRun as root to enable them or use %s to disable the access explicitly",
+ "APERF perf counter", "--no-perf");
+ else
+ close(fds.aperf);
+
+ if (fds.mperf == -1)
+ warnx("Failed to access %s. Some of the counters may not be available\n"
+ "\tRun as root to enable them or use %s to disable the access explicitly",
+ "MPERF perf counter", "--no-perf");
+ else
+ close(fds.mperf);
+
+ if (has_access_cached == 0)
+ has_access_cached = -1;
+
+ return has_access_cached > 0;
}
/* Check if we can access APERF and MPERF */
@@ -6542,14 +6590,34 @@ static void set_amperf_source(void)
fprintf(outf, "aperf/mperf source preference: %s\n", amperf_source == AMPERF_SOURCE_MSR ? "msr" : "perf");
}
+void check_msr_access(void)
+{
+ check_dev_msr();
+ check_msr_permission();
+
+ if (no_msr)
+ bic_disable_msr_access();
+}
+
+void check_perf_access(void)
+{
+ if (no_perf || !has_instr_count_access())
+ bic_enabled &= ~BIC_IPC;
+
+ if (!has_amperf_access()) {
+ bic_enabled &= ~BIC_Avg_MHz;
+ bic_enabled &= ~BIC_Busy;
+ bic_enabled &= ~BIC_Bzy_MHz;
+ bic_enabled &= ~BIC_IPC;
+ }
+}
+
void turbostat_init()
{
setup_all_buffers(true);
set_base_cpu();
- if (!no_msr) {
- check_dev_msr();
- check_permissions();
- }
+ check_msr_access();
+ check_perf_access();
process_cpuid();
probe_pm_features();
set_amperf_source();
@@ -7150,12 +7218,6 @@ int main(int argc, char **argv)
outf = stderr;
cmdline(argc, argv);
- if (no_msr)
- bic_disable_msr_access();
-
- if (no_perf)
- bic_disable_perf_access();
-
if (!quiet) {
print_version();
print_bootcmd();
--
GitLab
From aed48c48fa65abdd584e14f7d0273711bc10d223 Mon Sep 17 00:00:00 2001
From: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Date: Tue, 30 Jan 2024 23:57:07 +0100
Subject: [PATCH 1988/2686] tools/power turbostat: add early exits for
permission checks
Checking early if the permissions are even needed gets rid of the
warnings about some of them missing. Earlier we issued a warning in case
of missing MSR and/or perf permissions, even when user never asked for
counters that require those.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 66 +++++++++++++++++++++++++--
1 file changed, 61 insertions(+), 5 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 30db6e92193a1..e5e01b58992e3 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -5818,6 +5818,14 @@ static int has_instr_count_access(void)
return has_access;
}
+bool is_aperf_access_required(void)
+{
+ return BIC_IS_ENABLED(BIC_Avg_MHz)
+ || BIC_IS_ENABLED(BIC_Busy)
+ || BIC_IS_ENABLED(BIC_Bzy_MHz)
+ || BIC_IS_ENABLED(BIC_IPC);
+}
+
/*
* Linux-perf manages the HW instructions-retired counter
* by enabling when requested, and hiding rollover
@@ -5833,8 +5841,7 @@ void linux_perf_init(void)
err(-1, "calloc fd_instr_count_percpu");
}
- const bool aperf_required = BIC_IS_ENABLED(BIC_Avg_MHz) || BIC_IS_ENABLED(BIC_Busy) ||
- BIC_IS_ENABLED(BIC_Bzy_MHz) || BIC_IS_ENABLED(BIC_IPC);
+ const bool aperf_required = is_aperf_access_required();
if (aperf_required && has_aperf && amperf_source == AMPERF_SOURCE_PERF) {
fd_amperf_percpu = calloc(topo.max_cpu_num + 1, sizeof(*fd_amperf_percpu));
if (fd_amperf_percpu == NULL)
@@ -5903,6 +5910,9 @@ static int has_amperf_access_via_perf(void)
/* Check if we can access APERF and MPERF */
static int has_amperf_access(void)
{
+ if (!is_aperf_access_required())
+ return 0;
+
if (!no_msr && has_amperf_access_via_msr())
return 1;
@@ -6581,7 +6591,8 @@ static void set_amperf_source(void)
{
amperf_source = AMPERF_SOURCE_PERF;
- if (no_perf || !has_amperf_access_via_perf())
+ const bool aperf_required = is_aperf_access_required();
+ if (no_perf || !aperf_required || !has_amperf_access_via_perf())
amperf_source = AMPERF_SOURCE_MSR;
if (quiet || !debug)
@@ -6590,8 +6601,51 @@ static void set_amperf_source(void)
fprintf(outf, "aperf/mperf source preference: %s\n", amperf_source == AMPERF_SOURCE_MSR ? "msr" : "perf");
}
+bool is_msr_access_required(void)
+{
+ /* TODO: add detection for dynamic counters from add_counter() */
+ if (no_msr)
+ return false;
+
+ return BIC_IS_ENABLED(BIC_SMI)
+ || BIC_IS_ENABLED(BIC_CPU_c1)
+ || BIC_IS_ENABLED(BIC_CPU_c3)
+ || BIC_IS_ENABLED(BIC_CPU_c6)
+ || BIC_IS_ENABLED(BIC_CPU_c7)
+ || BIC_IS_ENABLED(BIC_Mod_c6)
+ || BIC_IS_ENABLED(BIC_CoreTmp)
+ || BIC_IS_ENABLED(BIC_Totl_c0)
+ || BIC_IS_ENABLED(BIC_Any_c0)
+ || BIC_IS_ENABLED(BIC_GFX_c0)
+ || BIC_IS_ENABLED(BIC_CPUGFX)
+ || BIC_IS_ENABLED(BIC_Pkgpc3)
+ || BIC_IS_ENABLED(BIC_Pkgpc6)
+ || BIC_IS_ENABLED(BIC_Pkgpc2)
+ || BIC_IS_ENABLED(BIC_Pkgpc7)
+ || BIC_IS_ENABLED(BIC_Pkgpc8)
+ || BIC_IS_ENABLED(BIC_Pkgpc9)
+ || BIC_IS_ENABLED(BIC_Pkgpc10)
+ || BIC_IS_ENABLED(BIC_CorWatt)
+ || BIC_IS_ENABLED(BIC_Cor_J)
+ || BIC_IS_ENABLED(BIC_PkgWatt)
+ || BIC_IS_ENABLED(BIC_CorWatt)
+ || BIC_IS_ENABLED(BIC_GFXWatt)
+ || BIC_IS_ENABLED(BIC_RAMWatt)
+ || BIC_IS_ENABLED(BIC_Pkg_J)
+ || BIC_IS_ENABLED(BIC_Cor_J)
+ || BIC_IS_ENABLED(BIC_GFX_J)
+ || BIC_IS_ENABLED(BIC_RAM_J)
+ || BIC_IS_ENABLED(BIC_PKG__)
+ || BIC_IS_ENABLED(BIC_RAM__)
+ || BIC_IS_ENABLED(BIC_PkgTmp)
+ || (is_aperf_access_required() && !has_amperf_access_via_perf());
+}
+
void check_msr_access(void)
{
+ if (!is_msr_access_required())
+ no_msr = 1;
+
check_dev_msr();
check_msr_permission();
@@ -6601,10 +6655,12 @@ void check_msr_access(void)
void check_perf_access(void)
{
- if (no_perf || !has_instr_count_access())
+ const bool intrcount_required = BIC_IS_ENABLED(BIC_IPC);
+ if (no_perf || !intrcount_required || !has_instr_count_access())
bic_enabled &= ~BIC_IPC;
- if (!has_amperf_access()) {
+ const bool aperf_required = is_aperf_access_required();
+ if (!aperf_required || !has_amperf_access()) {
bic_enabled &= ~BIC_Avg_MHz;
bic_enabled &= ~BIC_Busy;
bic_enabled &= ~BIC_Bzy_MHz;
--
GitLab
From 4a1bb4dad5d16669e841410944e7bc84ef7263fc Mon Sep 17 00:00:00 2001
From: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Date: Thu, 14 Mar 2024 11:36:55 +0100
Subject: [PATCH 1989/2686] tools/power turbostat: Clear added counters when in
no-msr mode
If user request --no-msr or is not able to access the MSRs,
turbostat should clear all the counters added with --add.
Because MSR access permission checks are done after the cmdline is
parsed, the decision has to be defered up until the transition into
no-msr mode happen.
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 47 ++++++++++++++++++++++++++-
1 file changed, 46 insertions(+), 1 deletion(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index e5e01b58992e3..b4a892bf22bfd 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -1160,6 +1160,37 @@ struct sys_counters {
struct msr_counter *pp;
} sys;
+void free_sys_counters(void)
+{
+ struct msr_counter *p = sys.tp, *pnext = NULL;
+ while (p) {
+ pnext = p->next;
+ free(p);
+ p = pnext;
+ }
+
+ p = sys.cp, pnext = NULL;
+ while (p) {
+ pnext = p->next;
+ free(p);
+ p = pnext;
+ }
+
+ p = sys.pp, pnext = NULL;
+ while (p) {
+ pnext = p->next;
+ free(p);
+ p = pnext;
+ }
+
+ sys.added_thread_counters = 0;
+ sys.added_core_counters = 0;
+ sys.added_package_counters = 0;
+ sys.tp = NULL;
+ sys.cp = NULL;
+ sys.pp = NULL;
+}
+
struct system_summary {
struct thread_data threads;
struct core_data cores;
@@ -1315,6 +1346,8 @@ static void bic_disable_msr_access(void)
BIC_Pkgpc2 | BIC_Pkgpc3 | BIC_Pkgpc6 | BIC_Pkgpc7 | BIC_Pkgpc8 | BIC_Pkgpc9 | BIC_Pkgpc10 | BIC_PkgTmp;
bic_enabled &= ~bic_msrs;
+
+ free_sys_counters();
}
static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid, int cpu, int group_fd, unsigned long flags)
@@ -6601,12 +6634,24 @@ static void set_amperf_source(void)
fprintf(outf, "aperf/mperf source preference: %s\n", amperf_source == AMPERF_SOURCE_MSR ? "msr" : "perf");
}
+bool has_added_counters(void)
+{
+ /*
+ * It only makes sense to call this after the command line is parsed,
+ * otherwise sys structure is not populated.
+ */
+
+ return sys.added_core_counters | sys.added_thread_counters | sys.added_package_counters;
+}
+
bool is_msr_access_required(void)
{
- /* TODO: add detection for dynamic counters from add_counter() */
if (no_msr)
return false;
+ if (has_added_counters())
+ return true;
+
return BIC_IS_ENABLED(BIC_SMI)
|| BIC_IS_ENABLED(BIC_CPU_c1)
|| BIC_IS_ENABLED(BIC_CPU_c3)
--
GitLab
From ebf8449caba1df2eb6ba0b465fe15dc06d3b9135 Mon Sep 17 00:00:00 2001
From: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Date: Thu, 15 Feb 2024 12:50:19 +0100
Subject: [PATCH 1990/2686] tools/power turbostat: Add proper re-initialization
for perf file descriptors
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index b4a892bf22bfd..a380829c58903 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -3669,18 +3669,25 @@ void free_fd_percpu(void)
{
int i;
+ if (!fd_percpu)
+ return;
+
for (i = 0; i < topo.max_cpu_num + 1; ++i) {
if (fd_percpu[i] != 0)
close(fd_percpu[i]);
}
free(fd_percpu);
+ fd_percpu = NULL;
}
void free_fd_amperf_percpu(void)
{
int i;
+ if (!fd_amperf_percpu)
+ return;
+
for (i = 0; i < topo.max_cpu_num + 1; ++i) {
if (fd_amperf_percpu[i].mperf != 0)
close(fd_amperf_percpu[i].mperf);
@@ -3690,6 +3697,21 @@ void free_fd_amperf_percpu(void)
}
free(fd_amperf_percpu);
+ fd_amperf_percpu = NULL;
+}
+
+void free_fd_instr_count_percpu(void)
+{
+ if (!fd_instr_count_percpu)
+ return;
+
+ for (int i = 0; i < topo.max_cpu_num + 1; ++i) {
+ if (fd_instr_count_percpu[i] != 0)
+ close(fd_instr_count_percpu[i]);
+ }
+
+ free(fd_instr_count_percpu);
+ fd_instr_count_percpu = NULL;
}
void free_all_buffers(void)
@@ -3733,6 +3755,7 @@ void free_all_buffers(void)
outp = NULL;
free_fd_percpu();
+ free_fd_instr_count_percpu();
free_fd_amperf_percpu();
free(irq_column_2_cpu);
@@ -4067,10 +4090,13 @@ static void update_effective_set(bool startup)
err(1, "%s: cpu str malformat %s\n", PATH_EFFECTIVE_CPUS, cpu_effective_str);
}
+void linux_perf_init(void);
+
void re_initialize(void)
{
free_all_buffers();
setup_all_buffers(false);
+ linux_perf_init();
fprintf(outf, "turbostat: re-initialized with num_cpus %d, allowed_cpus %d\n", topo.num_cpus,
topo.allowed_cpus);
}
--
GitLab
From 141fb8cd206ace23c02cd2791c6da52c1d77d42a Mon Sep 17 00:00:00 2001
From: Boris Burkov <boris@bur.io>
Date: Tue, 19 Mar 2024 10:54:22 -0700
Subject: [PATCH 1991/2686] btrfs: qgroup: correctly model root qgroup rsv in
convert
We use add_root_meta_rsv and sub_root_meta_rsv to track prealloc and
pertrans reservations for subvolumes when quotas are enabled. The
convert function does not properly increment pertrans after decrementing
prealloc, so the count is not accurate.
Note: we check that the fs is not read-only to mirror the logic in
qgroup_convert_meta, which checks that before adding to the pertrans rsv.
Fixes: 8287475a2055 ("btrfs: qgroup: Use root::qgroup_meta_rsv_* to record qgroup meta reserved space")
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Boris Burkov <boris@bur.io>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/qgroup.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 5f90f0605b12f..cf8820ce7aa29 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -4495,6 +4495,8 @@ void btrfs_qgroup_convert_reserved_meta(struct btrfs_root *root, int num_bytes)
BTRFS_QGROUP_RSV_META_PREALLOC);
trace_qgroup_meta_convert(root, num_bytes);
qgroup_convert_meta(fs_info, root->root_key.objectid, num_bytes);
+ if (!sb_rdonly(fs_info->sb))
+ add_root_meta_rsv(root, num_bytes, BTRFS_QGROUP_RSV_META_PERTRANS);
}
/*
--
GitLab
From 74e97958121aa1f5854da6effba70143f051b0cd Mon Sep 17 00:00:00 2001
From: Boris Burkov <boris@bur.io>
Date: Thu, 21 Mar 2024 10:02:04 -0700
Subject: [PATCH 1992/2686] btrfs: qgroup: fix qgroup prealloc rsv leak in
subvolume operations
Create subvolume, create snapshot and delete subvolume all use
btrfs_subvolume_reserve_metadata() to reserve metadata for the changes
done to the parent subvolume's fs tree, which cannot be mediated in the
normal way via start_transaction. When quota groups (squota or qgroups)
are enabled, this reserves qgroup metadata of type PREALLOC. Once the
operation is associated to a transaction, we convert PREALLOC to
PERTRANS, which gets cleared in bulk at the end of the transaction.
However, the error paths of these three operations were not implementing
this lifecycle correctly. They unconditionally converted the PREALLOC to
PERTRANS in a generic cleanup step regardless of errors or whether the
operation was fully associated to a transaction or not. This resulted in
error paths occasionally converting this rsv to PERTRANS without calling
record_root_in_trans successfully, which meant that unless that root got
recorded in the transaction by some other thread, the end of the
transaction would not free that root's PERTRANS, leaking it. Ultimately,
this resulted in hitting a WARN in CONFIG_BTRFS_DEBUG builds at unmount
for the leaked reservation.
The fix is to ensure that every qgroup PREALLOC reservation observes the
following properties:
1. any failure before record_root_in_trans is called successfully
results in freeing the PREALLOC reservation.
2. after record_root_in_trans, we convert to PERTRANS, and now the
transaction owns freeing the reservation.
This patch enforces those properties on the three operations. Without
it, generic/269 with squotas enabled at mkfs time would fail in ~5-10
runs on my system. With this patch, it ran successfully 1000 times in a
row.
Fixes: e85fde5162bf ("btrfs: qgroup: fix qgroup meta rsv leak for subvolume operations")
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Boris Burkov <boris@bur.io>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/inode.c | 13 ++++++++++++-
fs/btrfs/ioctl.c | 37 ++++++++++++++++++++++++++++---------
fs/btrfs/root-tree.c | 10 ----------
fs/btrfs/root-tree.h | 2 --
4 files changed, 40 insertions(+), 22 deletions(-)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 37701531eeb1b..1f9e74c4161d3 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4503,6 +4503,7 @@ int btrfs_delete_subvolume(struct btrfs_inode *dir, struct dentry *dentry)
struct btrfs_trans_handle *trans;
struct btrfs_block_rsv block_rsv;
u64 root_flags;
+ u64 qgroup_reserved = 0;
int ret;
down_write(&fs_info->subvol_sem);
@@ -4547,12 +4548,20 @@ int btrfs_delete_subvolume(struct btrfs_inode *dir, struct dentry *dentry)
ret = btrfs_subvolume_reserve_metadata(root, &block_rsv, 5, true);
if (ret)
goto out_undead;
+ qgroup_reserved = block_rsv.qgroup_rsv_reserved;
trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans)) {
ret = PTR_ERR(trans);
goto out_release;
}
+ ret = btrfs_record_root_in_trans(trans, root);
+ if (ret) {
+ btrfs_abort_transaction(trans, ret);
+ goto out_end_trans;
+ }
+ btrfs_qgroup_convert_reserved_meta(root, qgroup_reserved);
+ qgroup_reserved = 0;
trans->block_rsv = &block_rsv;
trans->bytes_reserved = block_rsv.size;
@@ -4611,7 +4620,9 @@ int btrfs_delete_subvolume(struct btrfs_inode *dir, struct dentry *dentry)
ret = btrfs_end_transaction(trans);
inode->i_flags |= S_DEAD;
out_release:
- btrfs_subvolume_release_metadata(root, &block_rsv);
+ btrfs_block_rsv_release(fs_info, &block_rsv, (u64)-1, NULL);
+ if (qgroup_reserved)
+ btrfs_qgroup_free_meta_prealloc(root, qgroup_reserved);
out_undead:
if (ret) {
spin_lock(&dest->root_item_lock);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 38459a89b27c4..5a507237c4fa3 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -613,6 +613,7 @@ static noinline int create_subvol(struct mnt_idmap *idmap,
int ret;
dev_t anon_dev;
u64 objectid;
+ u64 qgroup_reserved = 0;
root_item = kzalloc(sizeof(*root_item), GFP_KERNEL);
if (!root_item)
@@ -650,13 +651,18 @@ static noinline int create_subvol(struct mnt_idmap *idmap,
trans_num_items, false);
if (ret)
goto out_new_inode_args;
+ qgroup_reserved = block_rsv.qgroup_rsv_reserved;
trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans)) {
ret = PTR_ERR(trans);
- btrfs_subvolume_release_metadata(root, &block_rsv);
- goto out_new_inode_args;
+ goto out_release_rsv;
}
+ ret = btrfs_record_root_in_trans(trans, BTRFS_I(dir)->root);
+ if (ret)
+ goto out;
+ btrfs_qgroup_convert_reserved_meta(root, qgroup_reserved);
+ qgroup_reserved = 0;
trans->block_rsv = &block_rsv;
trans->bytes_reserved = block_rsv.size;
/* Tree log can't currently deal with an inode which is a new root. */
@@ -767,9 +773,11 @@ static noinline int create_subvol(struct mnt_idmap *idmap,
out:
trans->block_rsv = NULL;
trans->bytes_reserved = 0;
- btrfs_subvolume_release_metadata(root, &block_rsv);
-
btrfs_end_transaction(trans);
+out_release_rsv:
+ btrfs_block_rsv_release(fs_info, &block_rsv, (u64)-1, NULL);
+ if (qgroup_reserved)
+ btrfs_qgroup_free_meta_prealloc(root, qgroup_reserved);
out_new_inode_args:
btrfs_new_inode_args_destroy(&new_inode_args);
out_inode:
@@ -791,6 +799,8 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
struct btrfs_pending_snapshot *pending_snapshot;
unsigned int trans_num_items;
struct btrfs_trans_handle *trans;
+ struct btrfs_block_rsv *block_rsv;
+ u64 qgroup_reserved = 0;
int ret;
/* We do not support snapshotting right now. */
@@ -827,19 +837,19 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
goto free_pending;
}
- btrfs_init_block_rsv(&pending_snapshot->block_rsv,
- BTRFS_BLOCK_RSV_TEMP);
+ block_rsv = &pending_snapshot->block_rsv;
+ btrfs_init_block_rsv(block_rsv, BTRFS_BLOCK_RSV_TEMP);
/*
* 1 to add dir item
* 1 to add dir index
* 1 to update parent inode item
*/
trans_num_items = create_subvol_num_items(inherit) + 3;
- ret = btrfs_subvolume_reserve_metadata(BTRFS_I(dir)->root,
- &pending_snapshot->block_rsv,
+ ret = btrfs_subvolume_reserve_metadata(BTRFS_I(dir)->root, block_rsv,
trans_num_items, false);
if (ret)
goto free_pending;
+ qgroup_reserved = block_rsv->qgroup_rsv_reserved;
pending_snapshot->dentry = dentry;
pending_snapshot->root = root;
@@ -852,6 +862,13 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
ret = PTR_ERR(trans);
goto fail;
}
+ ret = btrfs_record_root_in_trans(trans, BTRFS_I(dir)->root);
+ if (ret) {
+ btrfs_end_transaction(trans);
+ goto fail;
+ }
+ btrfs_qgroup_convert_reserved_meta(root, qgroup_reserved);
+ qgroup_reserved = 0;
trans->pending_snapshot = pending_snapshot;
@@ -881,7 +898,9 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
if (ret && pending_snapshot->snap)
pending_snapshot->snap->anon_dev = 0;
btrfs_put_root(pending_snapshot->snap);
- btrfs_subvolume_release_metadata(root, &pending_snapshot->block_rsv);
+ btrfs_block_rsv_release(fs_info, block_rsv, (u64)-1, NULL);
+ if (qgroup_reserved)
+ btrfs_qgroup_free_meta_prealloc(root, qgroup_reserved);
free_pending:
if (pending_snapshot->anon_dev)
free_anon_bdev(pending_snapshot->anon_dev);
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 4bb538a372ce5..7007f9e0c9728 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -548,13 +548,3 @@ int btrfs_subvolume_reserve_metadata(struct btrfs_root *root,
}
return ret;
}
-
-void btrfs_subvolume_release_metadata(struct btrfs_root *root,
- struct btrfs_block_rsv *rsv)
-{
- struct btrfs_fs_info *fs_info = root->fs_info;
- u64 qgroup_to_release;
-
- btrfs_block_rsv_release(fs_info, rsv, (u64)-1, &qgroup_to_release);
- btrfs_qgroup_convert_reserved_meta(root, qgroup_to_release);
-}
diff --git a/fs/btrfs/root-tree.h b/fs/btrfs/root-tree.h
index 6f929cf3bd496..8f5739e732b9b 100644
--- a/fs/btrfs/root-tree.h
+++ b/fs/btrfs/root-tree.h
@@ -18,8 +18,6 @@ struct btrfs_trans_handle;
int btrfs_subvolume_reserve_metadata(struct btrfs_root *root,
struct btrfs_block_rsv *rsv,
int nitems, bool use_global_rsv);
-void btrfs_subvolume_release_metadata(struct btrfs_root *root,
- struct btrfs_block_rsv *rsv);
int btrfs_add_root_ref(struct btrfs_trans_handle *trans, u64 root_id,
u64 ref_id, u64 dirid, u64 sequence,
const struct fscrypt_str *name);
--
GitLab
From 71537e35c324ea6fbd68377a4f26bb93a831ae35 Mon Sep 17 00:00:00 2001
From: Boris Burkov <boris@bur.io>
Date: Thu, 21 Mar 2024 10:14:24 -0700
Subject: [PATCH 1993/2686] btrfs: record delayed inode root in transaction
When running delayed inode updates, we do not record the inode's root in
the transaction, but we do allocate PREALLOC and thus converted PERTRANS
space for it. To be sure we free that PERTRANS meta rsv, we must ensure
that we record the root in the transaction.
Fixes: 4f5427ccce5d ("btrfs: delayed-inode: Use new qgroup meta rsv for delayed inode and item")
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Boris Burkov <boris@bur.io>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/delayed-inode.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index dd6f566a383f0..121ab890bd055 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1133,6 +1133,9 @@ __btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans,
if (ret)
return ret;
+ ret = btrfs_record_root_in_trans(trans, node->root);
+ if (ret)
+ return ret;
ret = btrfs_update_delayed_inode(trans, node->root, path, node);
return ret;
}
--
GitLab
From 211de93367304ab395357f8cb12568a4d1e20701 Mon Sep 17 00:00:00 2001
From: Boris Burkov <boris@bur.io>
Date: Thu, 21 Mar 2024 10:18:39 -0700
Subject: [PATCH 1994/2686] btrfs: qgroup: convert PREALLOC to PERTRANS after
record_root_in_trans
The transaction is only able to free PERTRANS reservations for a root
once that root has been recorded with the TRANS tag on the roots radix
tree. Therefore, until we are sure that this root will get tagged, it
isn't safe to convert. Generally, this is not an issue as *some*
transaction will likely tag the root before long and this reservation
will get freed in that transaction, but technically it could stick
around until unmount and result in a warning about leaked metadata
reservation space.
This path is most exercised by running the generic/269 fstest with
CONFIG_BTRFS_DEBUG.
Fixes: a6496849671a ("btrfs: fix start transaction qgroup rsv double free")
CC: stable@vger.kernel.org # 6.6+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Boris Burkov <boris@bur.io>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/transaction.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 46e8426adf4f1..1f10082d35d92 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -745,14 +745,6 @@ start_transaction(struct btrfs_root *root, unsigned int num_items,
h->reloc_reserved = reloc_reserved;
}
- /*
- * Now that we have found a transaction to be a part of, convert the
- * qgroup reservation from prealloc to pertrans. A different transaction
- * can't race in and free our pertrans out from under us.
- */
- if (qgroup_reserved)
- btrfs_qgroup_convert_reserved_meta(root, qgroup_reserved);
-
got_it:
if (!current->journal_info)
current->journal_info = h;
@@ -786,8 +778,15 @@ start_transaction(struct btrfs_root *root, unsigned int num_items,
* not just freed.
*/
btrfs_end_transaction(h);
- return ERR_PTR(ret);
+ goto reserve_fail;
}
+ /*
+ * Now that we have found a transaction to be a part of, convert the
+ * qgroup reservation from prealloc to pertrans. A different transaction
+ * can't race in and free our pertrans out from under us.
+ */
+ if (qgroup_reserved)
+ btrfs_qgroup_convert_reserved_meta(root, qgroup_reserved);
return h;
--
GitLab
From 3c6f0c5ecc8910d4ffb0dfe85609ebc0c91c8f34 Mon Sep 17 00:00:00 2001
From: Boris Burkov <boris@bur.io>
Date: Tue, 26 Mar 2024 11:55:22 -0700
Subject: [PATCH 1995/2686] btrfs: make btrfs_clear_delalloc_extent() free
delalloc reserve
Currently, this call site in btrfs_clear_delalloc_extent() only converts
the reservation. We are marking it not delalloc, so I don't think it
makes sense to keep the rsv around. This is a path where we are not
sure to join a transaction, so it leads to incorrect free-ing during
umount.
Helps with the pass rate of generic/269 and generic/475.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Boris Burkov <boris@bur.io>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/inode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 1f9e74c4161d3..c65fe5de40220 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2533,7 +2533,7 @@ void btrfs_clear_delalloc_extent(struct btrfs_inode *inode,
*/
if (bits & EXTENT_CLEAR_META_RESV &&
root != fs_info->tree_root)
- btrfs_delalloc_release_metadata(inode, len, false);
+ btrfs_delalloc_release_metadata(inode, len, true);
/* For sanity tests. */
if (btrfs_is_testing(fs_info))
--
GitLab
From 6e68de0bb0ed59e0554a0c15ede7308c47351e2d Mon Sep 17 00:00:00 2001
From: Boris Burkov <boris@bur.io>
Date: Tue, 26 Mar 2024 12:01:28 -0700
Subject: [PATCH 1996/2686] btrfs: always clear PERTRANS metadata during commit
It is possible to clear a root's IN_TRANS tag from the radix tree, but
not clear its PERTRANS, if there is some error in between. Eliminate
that possibility by moving the free up to where we clear the tag.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Boris Burkov <boris@bur.io>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/transaction.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 1f10082d35d92..85f359e0e0a7f 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1494,6 +1494,7 @@ static noinline int commit_fs_roots(struct btrfs_trans_handle *trans)
radix_tree_tag_clear(&fs_info->fs_roots_radix,
(unsigned long)root->root_key.objectid,
BTRFS_ROOT_TRANS_TAG);
+ btrfs_qgroup_free_meta_all_pertrans(root);
spin_unlock(&fs_info->fs_roots_radix_lock);
btrfs_free_log(trans, root);
@@ -1518,7 +1519,6 @@ static noinline int commit_fs_roots(struct btrfs_trans_handle *trans)
if (ret2)
return ret2;
spin_lock(&fs_info->fs_roots_radix_lock);
- btrfs_qgroup_free_meta_all_pertrans(root);
}
}
spin_unlock(&fs_info->fs_roots_radix_lock);
--
GitLab
From 97ca7c1f93bbac6982717a7055cd727813c45e61 Mon Sep 17 00:00:00 2001
From: Guenter Roeck <linux@roeck-us.net>
Date: Sun, 25 Feb 2024 08:29:25 -0800
Subject: [PATCH 1997/2686] mean_and_variance: Drop always failing tests
mean_and_variance_test_2 and mean_and_variance_test_4 always fail.
The input parameters to those tests are identical to the input parameters
to tests 1 and 3, yet the expected result for tests 2 and 4 is different
for the mean and stddev tests. That will always fail.
Expected mean_and_variance_get_mean(mv) == mean[i], but
mean_and_variance_get_mean(mv) == 22 (0x16)
mean[i] == 10 (0xa)
Drop the bad tests.
Fixes: 65bc41090720 ("mean and variance: More tests")
Closes: https://lore.kernel.org/lkml/065b94eb-6a24-4248-b7d7-d3212efb4787@roeck-us.net/
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/mean_and_variance_test.c | 28 +---------------------------
1 file changed, 1 insertion(+), 27 deletions(-)
diff --git a/fs/bcachefs/mean_and_variance_test.c b/fs/bcachefs/mean_and_variance_test.c
index db63b3f3b338a..4c298e74723db 100644
--- a/fs/bcachefs/mean_and_variance_test.c
+++ b/fs/bcachefs/mean_and_variance_test.c
@@ -136,20 +136,8 @@ static void mean_and_variance_test_1(struct kunit *test)
d, mean, stddev, weighted_mean, weighted_stddev);
}
-static void mean_and_variance_test_2(struct kunit *test)
-{
- s64 d[] = { 100, 10, 10, 10, 10, 10, 10 };
- s64 mean[] = { 10, 10, 10, 10, 10, 10, 10 };
- s64 stddev[] = { 9, 9, 9, 9, 9, 9, 9 };
- s64 weighted_mean[] = { 32, 27, 22, 19, 17, 15, 14 };
- s64 weighted_stddev[] = { 38, 35, 31, 27, 24, 21, 18 };
-
- do_mean_and_variance_test(test, 10, 6, ARRAY_SIZE(d), 2,
- d, mean, stddev, weighted_mean, weighted_stddev);
-}
-
/* Test behaviour where we switch from one steady state to another: */
-static void mean_and_variance_test_3(struct kunit *test)
+static void mean_and_variance_test_2(struct kunit *test)
{
s64 d[] = { 100, 100, 100, 100, 100 };
s64 mean[] = { 22, 32, 40, 46, 50 };
@@ -161,18 +149,6 @@ static void mean_and_variance_test_3(struct kunit *test)
d, mean, stddev, weighted_mean, weighted_stddev);
}
-static void mean_and_variance_test_4(struct kunit *test)
-{
- s64 d[] = { 100, 100, 100, 100, 100 };
- s64 mean[] = { 10, 11, 12, 13, 14 };
- s64 stddev[] = { 9, 13, 15, 17, 19 };
- s64 weighted_mean[] = { 32, 49, 61, 71, 78 };
- s64 weighted_stddev[] = { 38, 44, 44, 41, 38 };
-
- do_mean_and_variance_test(test, 10, 6, ARRAY_SIZE(d), 2,
- d, mean, stddev, weighted_mean, weighted_stddev);
-}
-
static void mean_and_variance_fast_divpow2(struct kunit *test)
{
s64 i;
@@ -230,8 +206,6 @@ static struct kunit_case mean_and_variance_test_cases[] = {
KUNIT_CASE(mean_and_variance_weighted_advanced_test),
KUNIT_CASE(mean_and_variance_test_1),
KUNIT_CASE(mean_and_variance_test_2),
- KUNIT_CASE(mean_and_variance_test_3),
- KUNIT_CASE(mean_and_variance_test_4),
{}
};
--
GitLab
From 8a4ff5452dd0cdcc35940460bb777d836bece11c Mon Sep 17 00:00:00 2001
From: Stephen Horvath <s.horvath@outlook.com.au>
Date: Sun, 31 Mar 2024 18:37:06 +1000
Subject: [PATCH 1998/2686] ACPI: thermal: Register thermal zones without valid
trip points
Some laptops where the thermal control is handled by the EC may
provide trip points that fail the kernels new validation, but still have
working temperature sensors. An example of this is the Framework 13 AMD.
This patch allows the thermal zone to still be registered without trip
points if the trip points fail validation, allowing the temperature
sensor to be viewed and used by the user.
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218586
Fixes: 9c8647224e9f ("ACPI: thermal: Use library functions to obtain trip point temperature values")
Signed-off-by: Stephen Horvath <s.horvath@outlook.com.au>
[ rjw: Subject edits, remove redundant braces ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/acpi/thermal.c | 22 ++++++++++------------
1 file changed, 10 insertions(+), 12 deletions(-)
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 302dce0b2b504..d67881b50bca2 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -662,14 +662,15 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz,
{
int result;
- tz->thermal_zone = thermal_zone_device_register_with_trips("acpitz",
- trip_table,
- trip_count,
- tz,
- &acpi_thermal_zone_ops,
- NULL,
- passive_delay,
- tz->polling_frequency * 100);
+ if (trip_count)
+ tz->thermal_zone = thermal_zone_device_register_with_trips(
+ "acpitz", trip_table, trip_count, tz,
+ &acpi_thermal_zone_ops, NULL, passive_delay,
+ tz->polling_frequency * 100);
+ else
+ tz->thermal_zone = thermal_tripless_zone_device_register(
+ "acpitz", tz, &acpi_thermal_zone_ops, NULL);
+
if (IS_ERR(tz->thermal_zone))
return PTR_ERR(tz->thermal_zone);
@@ -901,11 +902,8 @@ static int acpi_thermal_add(struct acpi_device *device)
trip++;
}
- if (trip == trip_table) {
+ if (trip == trip_table)
pr_warn(FW_BUG "No valid trip points!\n");
- result = -ENODEV;
- goto free_memory;
- }
result = acpi_thermal_register_thermal_zone(tz, trip_table,
trip - trip_table,
--
GitLab
From e0319af2b6cdfa7c39edf73dcb813b7ff1261fa5 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 2 Apr 2024 16:42:27 -0400
Subject: [PATCH 1999/2686] bcachefs: Improve bch2_btree_update_to_text()
Print out the mode as a string, and also print out the btree and
watermark.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_update_interior.c | 41 ++++++++++++++++++++---------
fs/bcachefs/btree_update_interior.h | 24 ++++++++++-------
2 files changed, 43 insertions(+), 22 deletions(-)
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 9fd2dd0f46825..2b46e6ad248ac 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -26,6 +26,13 @@
#include <linux/random.h>
+const char * const bch2_btree_update_modes[] = {
+#define x(t) #t,
+ BCH_WATERMARKS()
+#undef x
+ NULL
+};
+
static int bch2_btree_insert_node(struct btree_update *, struct btree_trans *,
btree_path_idx_t, struct btree *, struct keylist *);
static void bch2_btree_update_add_new_node(struct btree_update *, struct btree *);
@@ -846,11 +853,11 @@ static void btree_update_updated_node(struct btree_update *as, struct btree *b)
mutex_lock(&c->btree_interior_update_lock);
list_add_tail(&as->unwritten_list, &c->btree_interior_updates_unwritten);
- BUG_ON(as->mode != BTREE_INTERIOR_NO_UPDATE);
+ BUG_ON(as->mode != BTREE_UPDATE_none);
BUG_ON(!btree_node_dirty(b));
BUG_ON(!b->c.level);
- as->mode = BTREE_INTERIOR_UPDATING_NODE;
+ as->mode = BTREE_UPDATE_node;
as->b = b;
set_btree_node_write_blocked(b);
@@ -873,7 +880,7 @@ static void btree_update_reparent(struct btree_update *as,
lockdep_assert_held(&c->btree_interior_update_lock);
child->b = NULL;
- child->mode = BTREE_INTERIOR_UPDATING_AS;
+ child->mode = BTREE_UPDATE_update;
bch2_journal_pin_copy(&c->journal, &as->journal, &child->journal,
bch2_update_reparent_journal_pin_flush);
@@ -884,7 +891,7 @@ static void btree_update_updated_root(struct btree_update *as, struct btree *b)
struct bkey_i *insert = &b->key;
struct bch_fs *c = as->c;
- BUG_ON(as->mode != BTREE_INTERIOR_NO_UPDATE);
+ BUG_ON(as->mode != BTREE_UPDATE_none);
BUG_ON(as->journal_u64s + jset_u64s(insert->k.u64s) >
ARRAY_SIZE(as->journal_entries));
@@ -898,7 +905,7 @@ static void btree_update_updated_root(struct btree_update *as, struct btree *b)
mutex_lock(&c->btree_interior_update_lock);
list_add_tail(&as->unwritten_list, &c->btree_interior_updates_unwritten);
- as->mode = BTREE_INTERIOR_UPDATING_ROOT;
+ as->mode = BTREE_UPDATE_root;
mutex_unlock(&c->btree_interior_update_lock);
}
@@ -1076,7 +1083,7 @@ static void bch2_btree_update_done(struct btree_update *as, struct btree_trans *
struct bch_fs *c = as->c;
u64 start_time = as->start_time;
- BUG_ON(as->mode == BTREE_INTERIOR_NO_UPDATE);
+ BUG_ON(as->mode == BTREE_UPDATE_none);
if (as->took_gc_lock)
up_read(&as->c->gc_lock);
@@ -1172,7 +1179,8 @@ bch2_btree_update_start(struct btree_trans *trans, struct btree_path *path,
as->c = c;
as->start_time = start_time;
as->ip_started = _RET_IP_;
- as->mode = BTREE_INTERIOR_NO_UPDATE;
+ as->mode = BTREE_UPDATE_none;
+ as->watermark = watermark;
as->took_gc_lock = true;
as->btree_id = path->btree_id;
as->update_level = update_level;
@@ -2509,18 +2517,25 @@ void bch2_btree_root_alloc(struct bch_fs *c, enum btree_id id)
bch2_trans_run(c, __bch2_btree_root_alloc(trans, id));
}
+static void bch2_btree_update_to_text(struct printbuf *out, struct btree_update *as)
+{
+ prt_printf(out, "%ps: btree=%s watermark=%s mode=%s nodes_written=%u cl.remaining=%u journal_seq=%llu\n",
+ (void *) as->ip_started,
+ bch2_btree_id_str(as->btree_id),
+ bch2_watermarks[as->watermark],
+ bch2_btree_update_modes[as->mode],
+ as->nodes_written,
+ closure_nr_remaining(&as->cl),
+ as->journal.seq);
+}
+
void bch2_btree_updates_to_text(struct printbuf *out, struct bch_fs *c)
{
struct btree_update *as;
mutex_lock(&c->btree_interior_update_lock);
list_for_each_entry(as, &c->btree_interior_update_list, list)
- prt_printf(out, "%ps: mode=%u nodes_written=%u cl.remaining=%u journal_seq=%llu\n",
- (void *) as->ip_started,
- as->mode,
- as->nodes_written,
- closure_nr_remaining(&as->cl),
- as->journal.seq);
+ bch2_btree_update_to_text(out, as);
mutex_unlock(&c->btree_interior_update_lock);
}
diff --git a/fs/bcachefs/btree_update_interior.h b/fs/bcachefs/btree_update_interior.h
index 7ac3e17b84fde..1d41d3f4b107c 100644
--- a/fs/bcachefs/btree_update_interior.h
+++ b/fs/bcachefs/btree_update_interior.h
@@ -12,6 +12,18 @@
int bch2_btree_node_check_topology(struct btree_trans *, struct btree *);
+#define BTREE_UPDATE_MODES() \
+ x(none) \
+ x(node) \
+ x(root) \
+ x(update)
+
+enum btree_update_mode {
+#define x(n) BTREE_UPDATE_##n,
+ BTREE_UPDATE_MODES()
+#undef x
+};
+
/*
* Tracks an in progress split/rewrite of a btree node and the update to the
* parent node:
@@ -39,14 +51,8 @@ struct btree_update {
struct list_head list;
struct list_head unwritten_list;
- /* What kind of update are we doing? */
- enum {
- BTREE_INTERIOR_NO_UPDATE,
- BTREE_INTERIOR_UPDATING_NODE,
- BTREE_INTERIOR_UPDATING_ROOT,
- BTREE_INTERIOR_UPDATING_AS,
- } mode;
-
+ enum btree_update_mode mode;
+ enum bch_watermark watermark;
unsigned nodes_written:1;
unsigned took_gc_lock:1;
@@ -56,7 +62,7 @@ struct btree_update {
struct disk_reservation disk_res;
/*
- * BTREE_INTERIOR_UPDATING_NODE:
+ * BTREE_UPDATE_node:
* The update that made the new nodes visible was a regular update to an
* existing interior node - @b. We can't write out the update to @b
* until the new nodes we created are finished writing, so we block @b
--
GitLab
From 7ee88737ab802ac832f978d6e6258571fe08d870 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 2 Apr 2024 18:30:14 -0400
Subject: [PATCH 2000/2686] bcachefs: Check for bad needs_discard before doing
discard
In the discard worker, we were failing to validate the bucket state -
meaning a corrupt needs_discard btree could cause us to discard a bucket
that we shouldn't.
If check_alloc_info hasn't run yet we just want to bail out, otherwise
it's a filesystem inconsistent error.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/alloc_background.c | 47 +++++++++++++++++++---------------
1 file changed, 26 insertions(+), 21 deletions(-)
diff --git a/fs/bcachefs/alloc_background.c b/fs/bcachefs/alloc_background.c
index 893e38f9db807..4ff56fa4d5392 100644
--- a/fs/bcachefs/alloc_background.c
+++ b/fs/bcachefs/alloc_background.c
@@ -1713,34 +1713,37 @@ static int bch2_discard_one_bucket(struct btree_trans *trans,
if (ret)
goto out;
- if (BCH_ALLOC_V4_NEED_INC_GEN(&a->v)) {
- a->v.gen++;
- SET_BCH_ALLOC_V4_NEED_INC_GEN(&a->v, false);
- goto write;
- }
-
- if (a->v.journal_seq > c->journal.flushed_seq_ondisk) {
- if (c->curr_recovery_pass > BCH_RECOVERY_PASS_check_alloc_info) {
- bch2_trans_inconsistent(trans,
- "clearing need_discard but journal_seq %llu > flushed_seq %llu\n"
- "%s",
- a->v.journal_seq,
- c->journal.flushed_seq_ondisk,
- (bch2_bkey_val_to_text(&buf, c, k), buf.buf));
+ if (a->v.dirty_sectors) {
+ if (bch2_trans_inconsistent_on(c->curr_recovery_pass > BCH_RECOVERY_PASS_check_alloc_info,
+ trans, "attempting to discard bucket with dirty data\n%s",
+ (bch2_bkey_val_to_text(&buf, c, k), buf.buf)))
ret = -EIO;
- }
goto out;
}
if (a->v.data_type != BCH_DATA_need_discard) {
- if (c->curr_recovery_pass > BCH_RECOVERY_PASS_check_alloc_info) {
- bch2_trans_inconsistent(trans,
- "bucket incorrectly set in need_discard btree\n"
- "%s",
- (bch2_bkey_val_to_text(&buf, c, k), buf.buf));
- ret = -EIO;
+ if (data_type_is_empty(a->v.data_type) &&
+ BCH_ALLOC_V4_NEED_INC_GEN(&a->v)) {
+ a->v.gen++;
+ SET_BCH_ALLOC_V4_NEED_INC_GEN(&a->v, false);
+ goto write;
}
+ if (bch2_trans_inconsistent_on(c->curr_recovery_pass > BCH_RECOVERY_PASS_check_alloc_info,
+ trans, "bucket incorrectly set in need_discard btree\n"
+ "%s",
+ (bch2_bkey_val_to_text(&buf, c, k), buf.buf)))
+ ret = -EIO;
+ goto out;
+ }
+
+ if (a->v.journal_seq > c->journal.flushed_seq_ondisk) {
+ if (bch2_trans_inconsistent_on(c->curr_recovery_pass > BCH_RECOVERY_PASS_check_alloc_info,
+ trans, "clearing need_discard but journal_seq %llu > flushed_seq %llu\n%s",
+ a->v.journal_seq,
+ c->journal.flushed_seq_ondisk,
+ (bch2_bkey_val_to_text(&buf, c, k), buf.buf)))
+ ret = -EIO;
goto out;
}
@@ -1835,6 +1838,7 @@ static int bch2_clear_bucket_needs_discard(struct btree_trans *trans, struct bpo
if (ret)
goto err;
+ BUG_ON(a->v.dirty_sectors);
SET_BCH_ALLOC_V4_NEED_DISCARD(&a->v, false);
a->v.data_type = alloc_data_type(a->v, a->v.data_type);
@@ -1942,6 +1946,7 @@ static int invalidate_one_bucket(struct btree_trans *trans,
goto out;
BUG_ON(a->v.data_type != BCH_DATA_cached);
+ BUG_ON(a->v.dirty_sectors);
if (!a->v.cached_sectors)
bch_err(c, "invalidating empty bucket, confused");
--
GitLab
From fa14b50460baba40c8b1138c517fb8cf04464292 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 2 Apr 2024 18:57:05 -0400
Subject: [PATCH 2001/2686] bcachefs: ratelimit informational fsck errors
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/fsck.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c
index cbb8b43e419fe..b704fb0dda951 100644
--- a/fs/bcachefs/fsck.c
+++ b/fs/bcachefs/fsck.c
@@ -1131,8 +1131,8 @@ static int check_i_sectors_notnested(struct btree_trans *trans, struct inode_wal
i->count = count2;
if (i->count != count2) {
- bch_err(c, "fsck counted i_sectors wrong for inode %llu:%u: got %llu should be %llu",
- w->last_pos.inode, i->snapshot, i->count, count2);
+ bch_err_ratelimited(c, "fsck counted i_sectors wrong for inode %llu:%u: got %llu should be %llu",
+ w->last_pos.inode, i->snapshot, i->count, count2);
return -BCH_ERR_internal_fsck_err;
}
@@ -1587,8 +1587,8 @@ static int check_subdir_count_notnested(struct btree_trans *trans, struct inode_
return count2;
if (i->count != count2) {
- bch_err(c, "fsck counted subdirectories wrong: got %llu should be %llu",
- i->count, count2);
+ bch_err_ratelimited(c, "fsck counted subdirectories wrong for inum %llu:%u: got %llu should be %llu",
+ w->last_pos.inode, i->snapshot, i->count, count2);
i->count = count2;
if (i->inode.bi_nlink == i->count)
continue;
--
GitLab
From 135f218255b28c5bbf71e9e32a49e5c734cabbe5 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <festevam@denx.de>
Date: Thu, 28 Mar 2024 12:19:54 -0300
Subject: [PATCH 2002/2686] ARM: dts: imx7s-warp: Pass OV2680 link-frequencies
Since commit 63b0cd30b78e ("media: ov2680: Add bus-cfg / endpoint
property verification") the ov2680 no longer probes on a imx7s-warp7:
ov2680 1-0036: error -EINVAL: supported link freq 330000000 not found
ov2680 1-0036: probe with driver ov2680 failed with error -22
Fix it by passing the required 'link-frequencies' property as
recommended by:
https://www.kernel.org/doc/html/v6.9-rc1/driver-api/media/camera-sensor.html#handling-clocks
Cc: stable@vger.kernel.org
Fixes: 63b0cd30b78e ("media: ov2680: Add bus-cfg / endpoint property verification")
Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
arch/arm/boot/dts/nxp/imx/imx7s-warp.dts | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/boot/dts/nxp/imx/imx7s-warp.dts b/arch/arm/boot/dts/nxp/imx/imx7s-warp.dts
index ba7231b364bb8..7bab113ca6da7 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7s-warp.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx7s-warp.dts
@@ -210,6 +210,7 @@ ov2680_to_mipi: endpoint {
remote-endpoint = <&mipi_from_sensor>;
clock-lanes = <0>;
data-lanes = <1>;
+ link-frequencies = /bits/ 64 <330000000>;
};
};
};
--
GitLab
From fd819ad3ecf6f3c232a06b27423ce9ed8c20da89 Mon Sep 17 00:00:00 2001
From: Duoming Zhou <duoming@zju.edu.cn>
Date: Fri, 29 Mar 2024 09:50:23 +0800
Subject: [PATCH 2003/2686] ax25: fix use-after-free bugs caused by
ax25_ds_del_timer
When the ax25 device is detaching, the ax25_dev_device_down()
calls ax25_ds_del_timer() to cleanup the slave_timer. When
the timer handler is running, the ax25_ds_del_timer() that
calls del_timer() in it will return directly. As a result,
the use-after-free bugs could happen, one of the scenarios
is shown below:
(Thread 1) | (Thread 2)
| ax25_ds_timeout()
ax25_dev_device_down() |
ax25_ds_del_timer() |
del_timer() |
ax25_dev_put() //FREE |
| ax25_dev-> //USE
In order to mitigate bugs, when the device is detaching, use
timer_shutdown_sync() to stop the timer.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240329015023.9223-1-duoming@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/ax25/ax25_dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ax25/ax25_dev.c b/net/ax25/ax25_dev.c
index c5462486dbca1..282ec581c0720 100644
--- a/net/ax25/ax25_dev.c
+++ b/net/ax25/ax25_dev.c
@@ -105,7 +105,7 @@ void ax25_dev_device_down(struct net_device *dev)
spin_lock_bh(&ax25_dev_lock);
#ifdef CONFIG_AX25_DAMA_SLAVE
- ax25_ds_del_timer(ax25_dev);
+ timer_shutdown_sync(&ax25_dev->dama.slave_timer);
#endif
/*
--
GitLab
From b32a09ea7c38849ff925489a6bf5bd8914bc45df Mon Sep 17 00:00:00 2001
From: Marco Pinna <marco.pinn95@gmail.com>
Date: Fri, 29 Mar 2024 17:12:59 +0100
Subject: [PATCH 2004/2686] vsock/virtio: fix packet delivery to tap device
Commit 82dfb540aeb2 ("VSOCK: Add virtio vsock vsockmon hooks") added
virtio_transport_deliver_tap_pkt() for handing packets to the
vsockmon device. However, in virtio_transport_send_pkt_work(),
the function is called before actually sending the packet (i.e.
before placing it in the virtqueue with virtqueue_add_sgs() and checking
whether it returned successfully).
Queuing the packet in the virtqueue can fail even multiple times.
However, in virtio_transport_deliver_tap_pkt() we deliver the packet
to the monitoring tap interface only the first time we call it.
This certainly avoids seeing the same packet replicated multiple times
in the monitoring interface, but it can show the packet sent with the
wrong timestamp or even before we succeed to queue it in the virtqueue.
Move virtio_transport_deliver_tap_pkt() after calling virtqueue_add_sgs()
and making sure it returned successfully.
Fixes: 82dfb540aeb2 ("VSOCK: Add virtio vsock vsockmon hooks")
Cc: stable@vge.kernel.org
Signed-off-by: Marco Pinna <marco.pinn95@gmail.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20240329161259.411751-1-marco.pinn95@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/vmw_vsock/virtio_transport.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 1748268e0694f..ee5d306a96d0f 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -120,7 +120,6 @@ virtio_transport_send_pkt_work(struct work_struct *work)
if (!skb)
break;
- virtio_transport_deliver_tap_pkt(skb);
reply = virtio_vsock_skb_reply(skb);
sgs = vsock->out_sgs;
sg_init_one(sgs[out_sg], virtio_vsock_hdr(skb),
@@ -170,6 +169,8 @@ virtio_transport_send_pkt_work(struct work_struct *work)
break;
}
+ virtio_transport_deliver_tap_pkt(skb);
+
if (reply) {
struct virtqueue *rx_vq = vsock->vqs[VSOCK_VQ_RX];
int val;
--
GitLab
From 09ab7eff38202159271534d2f5ad45526168f2a5 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Thu, 14 Mar 2024 10:45:07 -0600
Subject: [PATCH 2005/2686] io_uring/kbuf: get rid of lower BGID lists
Just rely on the xarray for any kind of bgid. This simplifies things, and
it really doesn't bring us much, if anything.
Cc: stable@vger.kernel.org # v6.4+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
include/linux/io_uring_types.h | 1 -
io_uring/io_uring.c | 2 -
io_uring/kbuf.c | 70 ++++------------------------------
3 files changed, 8 insertions(+), 65 deletions(-)
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h
index e248936250852..05df0e399d7c0 100644
--- a/include/linux/io_uring_types.h
+++ b/include/linux/io_uring_types.h
@@ -294,7 +294,6 @@ struct io_ring_ctx {
struct io_submit_state submit_state;
- struct io_buffer_list *io_bl;
struct xarray io_bl_xa;
struct io_hash_table cancel_table_locked;
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index d1defb99b89ee..bc730f59265f3 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -351,7 +351,6 @@ static __cold struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p)
err:
kfree(ctx->cancel_table.hbs);
kfree(ctx->cancel_table_locked.hbs);
- kfree(ctx->io_bl);
xa_destroy(&ctx->io_bl_xa);
kfree(ctx);
return NULL;
@@ -2932,7 +2931,6 @@ static __cold void io_ring_ctx_free(struct io_ring_ctx *ctx)
io_napi_free(ctx);
kfree(ctx->cancel_table.hbs);
kfree(ctx->cancel_table_locked.hbs);
- kfree(ctx->io_bl);
xa_destroy(&ctx->io_bl_xa);
kfree(ctx);
}
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index 693c26da4ee1a..8bf0121f00af8 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -17,8 +17,6 @@
#define IO_BUFFER_LIST_BUF_PER_PAGE (PAGE_SIZE / sizeof(struct io_uring_buf))
-#define BGID_ARRAY 64
-
/* BIDs are addressed by a 16-bit field in a CQE */
#define MAX_BIDS_PER_BGID (1 << 16)
@@ -40,13 +38,9 @@ struct io_buf_free {
int inuse;
};
-static struct io_buffer_list *__io_buffer_get_list(struct io_ring_ctx *ctx,
- struct io_buffer_list *bl,
- unsigned int bgid)
+static inline struct io_buffer_list *__io_buffer_get_list(struct io_ring_ctx *ctx,
+ unsigned int bgid)
{
- if (bl && bgid < BGID_ARRAY)
- return &bl[bgid];
-
return xa_load(&ctx->io_bl_xa, bgid);
}
@@ -55,7 +49,7 @@ static inline struct io_buffer_list *io_buffer_get_list(struct io_ring_ctx *ctx,
{
lockdep_assert_held(&ctx->uring_lock);
- return __io_buffer_get_list(ctx, ctx->io_bl, bgid);
+ return __io_buffer_get_list(ctx, bgid);
}
static int io_buffer_add_list(struct io_ring_ctx *ctx,
@@ -68,10 +62,6 @@ static int io_buffer_add_list(struct io_ring_ctx *ctx,
*/
bl->bgid = bgid;
smp_store_release(&bl->is_ready, 1);
-
- if (bgid < BGID_ARRAY)
- return 0;
-
return xa_err(xa_store(&ctx->io_bl_xa, bgid, bl, GFP_KERNEL));
}
@@ -208,24 +198,6 @@ void __user *io_buffer_select(struct io_kiocb *req, size_t *len,
return ret;
}
-static __cold int io_init_bl_list(struct io_ring_ctx *ctx)
-{
- struct io_buffer_list *bl;
- int i;
-
- bl = kcalloc(BGID_ARRAY, sizeof(struct io_buffer_list), GFP_KERNEL);
- if (!bl)
- return -ENOMEM;
-
- for (i = 0; i < BGID_ARRAY; i++) {
- INIT_LIST_HEAD(&bl[i].buf_list);
- bl[i].bgid = i;
- }
-
- smp_store_release(&ctx->io_bl, bl);
- return 0;
-}
-
/*
* Mark the given mapped range as free for reuse
*/
@@ -300,13 +272,6 @@ void io_destroy_buffers(struct io_ring_ctx *ctx)
struct list_head *item, *tmp;
struct io_buffer *buf;
unsigned long index;
- int i;
-
- for (i = 0; i < BGID_ARRAY; i++) {
- if (!ctx->io_bl)
- break;
- __io_remove_buffers(ctx, &ctx->io_bl[i], -1U);
- }
xa_for_each(&ctx->io_bl_xa, index, bl) {
xa_erase(&ctx->io_bl_xa, bl->bgid);
@@ -489,12 +454,6 @@ int io_provide_buffers(struct io_kiocb *req, unsigned int issue_flags)
io_ring_submit_lock(ctx, issue_flags);
- if (unlikely(p->bgid < BGID_ARRAY && !ctx->io_bl)) {
- ret = io_init_bl_list(ctx);
- if (ret)
- goto err;
- }
-
bl = io_buffer_get_list(ctx, p->bgid);
if (unlikely(!bl)) {
bl = kzalloc(sizeof(*bl), GFP_KERNEL_ACCOUNT);
@@ -507,14 +466,9 @@ int io_provide_buffers(struct io_kiocb *req, unsigned int issue_flags)
if (ret) {
/*
* Doesn't need rcu free as it was never visible, but
- * let's keep it consistent throughout. Also can't
- * be a lower indexed array group, as adding one
- * where lookup failed cannot happen.
+ * let's keep it consistent throughout.
*/
- if (p->bgid >= BGID_ARRAY)
- kfree_rcu(bl, rcu);
- else
- WARN_ON_ONCE(1);
+ kfree_rcu(bl, rcu);
goto err;
}
}
@@ -679,12 +633,6 @@ int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
if (reg.ring_entries >= 65536)
return -EINVAL;
- if (unlikely(reg.bgid < BGID_ARRAY && !ctx->io_bl)) {
- int ret = io_init_bl_list(ctx);
- if (ret)
- return ret;
- }
-
bl = io_buffer_get_list(ctx, reg.bgid);
if (bl) {
/* if mapped buffer ring OR classic exists, don't allow */
@@ -734,10 +682,8 @@ int io_unregister_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
return -EINVAL;
__io_remove_buffers(ctx, bl, -1U);
- if (bl->bgid >= BGID_ARRAY) {
- xa_erase(&ctx->io_bl_xa, bl->bgid);
- kfree_rcu(bl, rcu);
- }
+ xa_erase(&ctx->io_bl_xa, bl->bgid);
+ kfree_rcu(bl, rcu);
return 0;
}
@@ -771,7 +717,7 @@ void *io_pbuf_get_address(struct io_ring_ctx *ctx, unsigned long bgid)
{
struct io_buffer_list *bl;
- bl = __io_buffer_get_list(ctx, smp_load_acquire(&ctx->io_bl), bgid);
+ bl = __io_buffer_get_list(ctx, bgid);
if (!bl || !bl->is_mmap)
return NULL;
--
GitLab
From 3b80cff5a4d117c53d38ce805823084eaeffbde6 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Thu, 14 Mar 2024 10:46:40 -0600
Subject: [PATCH 2006/2686] io_uring/kbuf: get rid of bl->is_ready
Now that xarray is being exclusively used for the buffer_list lookup,
this check is no longer needed. Get rid of it and the is_ready member.
Cc: stable@vger.kernel.org # v6.4+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/kbuf.c | 8 --------
io_uring/kbuf.h | 2 --
2 files changed, 10 deletions(-)
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index 8bf0121f00af8..011280d873e7a 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -61,7 +61,6 @@ static int io_buffer_add_list(struct io_ring_ctx *ctx,
* always under the ->uring_lock, but the RCU lookup from mmap does.
*/
bl->bgid = bgid;
- smp_store_release(&bl->is_ready, 1);
return xa_err(xa_store(&ctx->io_bl_xa, bgid, bl, GFP_KERNEL));
}
@@ -721,13 +720,6 @@ void *io_pbuf_get_address(struct io_ring_ctx *ctx, unsigned long bgid)
if (!bl || !bl->is_mmap)
return NULL;
- /*
- * Ensure the list is fully setup. Only strictly needed for RCU lookup
- * via mmap, and in that case only for the array indexed groups. For
- * the xarray lookups, it's either visible and ready, or not at all.
- */
- if (!smp_load_acquire(&bl->is_ready))
- return NULL;
return bl->buf_ring;
}
diff --git a/io_uring/kbuf.h b/io_uring/kbuf.h
index 1c7b654ee7263..fdbb104495132 100644
--- a/io_uring/kbuf.h
+++ b/io_uring/kbuf.h
@@ -29,8 +29,6 @@ struct io_buffer_list {
__u8 is_buf_ring;
/* ring mapped provided buffers, but mmap'ed by application */
__u8 is_mmap;
- /* bl is visible from an RCU point of view for lookup */
- __u8 is_ready;
};
struct io_buffer {
--
GitLab
From 6b69c4ab4f685327d9e10caf0d84217ba23a8c4b Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Fri, 15 Mar 2024 16:12:51 -0600
Subject: [PATCH 2007/2686] io_uring/kbuf: protect io_buffer_list teardown with
a reference
No functional changes in this patch, just in preparation for being able
to keep the buffer list alive outside of the ctx->uring_lock.
Cc: stable@vger.kernel.org # v6.4+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/kbuf.c | 15 +++++++++++----
io_uring/kbuf.h | 2 ++
2 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index 011280d873e7a..2edc6854f6f3e 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -61,6 +61,7 @@ static int io_buffer_add_list(struct io_ring_ctx *ctx,
* always under the ->uring_lock, but the RCU lookup from mmap does.
*/
bl->bgid = bgid;
+ atomic_set(&bl->refs, 1);
return xa_err(xa_store(&ctx->io_bl_xa, bgid, bl, GFP_KERNEL));
}
@@ -265,6 +266,14 @@ static int __io_remove_buffers(struct io_ring_ctx *ctx,
return i;
}
+static void io_put_bl(struct io_ring_ctx *ctx, struct io_buffer_list *bl)
+{
+ if (atomic_dec_and_test(&bl->refs)) {
+ __io_remove_buffers(ctx, bl, -1U);
+ kfree_rcu(bl, rcu);
+ }
+}
+
void io_destroy_buffers(struct io_ring_ctx *ctx)
{
struct io_buffer_list *bl;
@@ -274,8 +283,7 @@ void io_destroy_buffers(struct io_ring_ctx *ctx)
xa_for_each(&ctx->io_bl_xa, index, bl) {
xa_erase(&ctx->io_bl_xa, bl->bgid);
- __io_remove_buffers(ctx, bl, -1U);
- kfree_rcu(bl, rcu);
+ io_put_bl(ctx, bl);
}
/*
@@ -680,9 +688,8 @@ int io_unregister_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
if (!bl->is_buf_ring)
return -EINVAL;
- __io_remove_buffers(ctx, bl, -1U);
xa_erase(&ctx->io_bl_xa, bl->bgid);
- kfree_rcu(bl, rcu);
+ io_put_bl(ctx, bl);
return 0;
}
diff --git a/io_uring/kbuf.h b/io_uring/kbuf.h
index fdbb104495132..8b868a1744e2f 100644
--- a/io_uring/kbuf.h
+++ b/io_uring/kbuf.h
@@ -25,6 +25,8 @@ struct io_buffer_list {
__u16 head;
__u16 mask;
+ atomic_t refs;
+
/* ring mapped provided buffers */
__u8 is_buf_ring;
/* ring mapped provided buffers, but mmap'ed by application */
--
GitLab
From 561e4f9451d65fc2f7eef564e0064373e3019793 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Tue, 2 Apr 2024 16:16:03 -0600
Subject: [PATCH 2008/2686] io_uring/kbuf: hold io_buffer_list reference over
mmap
If we look up the kbuf, ensure that it doesn't get unregistered until
after we're done with it. Since we're inside mmap, we cannot safely use
the io_uring lock. Rely on the fact that we can lookup the buffer list
under RCU now and grab a reference to it, preventing it from being
unregistered until we're done with it. The lookup returns the
io_buffer_list directly with it referenced.
Cc: stable@vger.kernel.org # v6.4+
Fixes: 5cf4f52e6d8a ("io_uring: free io_buffer_list entries via RCU")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/io_uring.c | 11 ++++++-----
io_uring/kbuf.c | 35 +++++++++++++++++++++++++++--------
io_uring/kbuf.h | 4 +++-
3 files changed, 36 insertions(+), 14 deletions(-)
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index bc730f59265f3..4521c2b66b98d 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -3447,14 +3447,15 @@ static void *io_uring_validate_mmap_request(struct file *file,
ptr = ctx->sq_sqes;
break;
case IORING_OFF_PBUF_RING: {
+ struct io_buffer_list *bl;
unsigned int bgid;
bgid = (offset & ~IORING_OFF_MMAP_MASK) >> IORING_OFF_PBUF_SHIFT;
- rcu_read_lock();
- ptr = io_pbuf_get_address(ctx, bgid);
- rcu_read_unlock();
- if (!ptr)
- return ERR_PTR(-EINVAL);
+ bl = io_pbuf_get_bl(ctx, bgid);
+ if (IS_ERR(bl))
+ return bl;
+ ptr = bl->buf_ring;
+ io_put_bl(ctx, bl);
break;
}
default:
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index 2edc6854f6f3e..3aa16e27f5099 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -266,7 +266,7 @@ static int __io_remove_buffers(struct io_ring_ctx *ctx,
return i;
}
-static void io_put_bl(struct io_ring_ctx *ctx, struct io_buffer_list *bl)
+void io_put_bl(struct io_ring_ctx *ctx, struct io_buffer_list *bl)
{
if (atomic_dec_and_test(&bl->refs)) {
__io_remove_buffers(ctx, bl, -1U);
@@ -719,16 +719,35 @@ int io_register_pbuf_status(struct io_ring_ctx *ctx, void __user *arg)
return 0;
}
-void *io_pbuf_get_address(struct io_ring_ctx *ctx, unsigned long bgid)
+struct io_buffer_list *io_pbuf_get_bl(struct io_ring_ctx *ctx,
+ unsigned long bgid)
{
struct io_buffer_list *bl;
+ bool ret;
- bl = __io_buffer_get_list(ctx, bgid);
-
- if (!bl || !bl->is_mmap)
- return NULL;
-
- return bl->buf_ring;
+ /*
+ * We have to be a bit careful here - we're inside mmap and cannot grab
+ * the uring_lock. This means the buffer_list could be simultaneously
+ * going away, if someone is trying to be sneaky. Look it up under rcu
+ * so we know it's not going away, and attempt to grab a reference to
+ * it. If the ref is already zero, then fail the mapping. If successful,
+ * the caller will call io_put_bl() to drop the the reference at at the
+ * end. This may then safely free the buffer_list (and drop the pages)
+ * at that point, vm_insert_pages() would've already grabbed the
+ * necessary vma references.
+ */
+ rcu_read_lock();
+ bl = xa_load(&ctx->io_bl_xa, bgid);
+ /* must be a mmap'able buffer ring and have pages */
+ ret = false;
+ if (bl && bl->is_mmap)
+ ret = atomic_inc_not_zero(&bl->refs);
+ rcu_read_unlock();
+
+ if (ret)
+ return bl;
+
+ return ERR_PTR(-EINVAL);
}
/*
diff --git a/io_uring/kbuf.h b/io_uring/kbuf.h
index 8b868a1744e2f..df365b8860cf1 100644
--- a/io_uring/kbuf.h
+++ b/io_uring/kbuf.h
@@ -61,7 +61,9 @@ void __io_put_kbuf(struct io_kiocb *req, unsigned issue_flags);
bool io_kbuf_recycle_legacy(struct io_kiocb *req, unsigned issue_flags);
-void *io_pbuf_get_address(struct io_ring_ctx *ctx, unsigned long bgid);
+void io_put_bl(struct io_ring_ctx *ctx, struct io_buffer_list *bl);
+struct io_buffer_list *io_pbuf_get_bl(struct io_ring_ctx *ctx,
+ unsigned long bgid);
static inline bool io_kbuf_recycle_ring(struct io_kiocb *req)
{
--
GitLab
From 5d872c9f46bd2ea3524af3c2420a364a13667135 Mon Sep 17 00:00:00 2001
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Sat, 30 Mar 2024 12:49:02 +0100
Subject: [PATCH 2009/2686] r8169: fix issue caused by buggy BIOS on certain
boards with RTL8168d
On some boards with this chip version the BIOS is buggy and misses
to reset the PHY page selector. This results in the PHY ID read
accessing registers on a different page, returning a more or
less random value. Fix this by resetting the page selector first.
Fixes: f1e911d5d0df ("r8169: add basic phylib support")
Cc: stable@vger.kernel.org
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/64f2055e-98b8-45ec-8568-665e3d54d4e6@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/realtek/r8169_main.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 4ac444eb269ff..6f1e6f386b7ba 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -5164,6 +5164,15 @@ static int r8169_mdio_register(struct rtl8169_private *tp)
struct mii_bus *new_bus;
int ret;
+ /* On some boards with this chip version the BIOS is buggy and misses
+ * to reset the PHY page selector. This results in the PHY ID read
+ * accessing registers on a different page, returning a more or
+ * less random value. Fix this by resetting the page selector first.
+ */
+ if (tp->mac_version == RTL_GIGA_MAC_VER_25 ||
+ tp->mac_version == RTL_GIGA_MAC_VER_26)
+ r8169_mdio_write(tp, 0x1f, 0);
+
new_bus = devm_mdiobus_alloc(&pdev->dev);
if (!new_bus)
return -ENOMEM;
--
GitLab
From d21d40605bca7bd5fc23ef03d4c1ca1f48bc2cae Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Mon, 1 Apr 2024 14:10:04 -0700
Subject: [PATCH 2010/2686] ipv6: Fix infinite recursion in fib6_dump_done().
syzkaller reported infinite recursive calls of fib6_dump_done() during
netlink socket destruction. [1]
From the log, syzkaller sent an AF_UNSPEC RTM_GETROUTE message, and then
the response was generated. The following recvmmsg() resumed the dump
for IPv6, but the first call of inet6_dump_fib() failed at kzalloc() due
to the fault injection. [0]
12:01:34 executing program 3:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, ... snip ...)
recvmmsg(r0, ... snip ...) (fail_nth: 8)
Here, fib6_dump_done() was set to nlk_sk(sk)->cb.done, and the next call
of inet6_dump_fib() set it to nlk_sk(sk)->cb.args[3]. syzkaller stopped
receiving the response halfway through, and finally netlink_sock_destruct()
called nlk_sk(sk)->cb.done().
fib6_dump_done() calls fib6_dump_end() and nlk_sk(sk)->cb.done() if it
is still not NULL. fib6_dump_end() rewrites nlk_sk(sk)->cb.done() by
nlk_sk(sk)->cb.args[3], but it has the same function, not NULL, calling
itself recursively and hitting the stack guard page.
To avoid the issue, let's set the destructor after kzalloc().
[0]:
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 432110 Comm: syz-executor.3 Not tainted 6.8.0-12821-g537c2e91d354-dirty #11
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl (lib/dump_stack.c:117)
should_fail_ex (lib/fault-inject.c:52 lib/fault-inject.c:153)
should_failslab (mm/slub.c:3733)
kmalloc_trace (mm/slub.c:3748 mm/slub.c:3827 mm/slub.c:3992)
inet6_dump_fib (./include/linux/slab.h:628 ./include/linux/slab.h:749 net/ipv6/ip6_fib.c:662)
rtnl_dump_all (net/core/rtnetlink.c:4029)
netlink_dump (net/netlink/af_netlink.c:2269)
netlink_recvmsg (net/netlink/af_netlink.c:1988)
____sys_recvmsg (net/socket.c:1046 net/socket.c:2801)
___sys_recvmsg (net/socket.c:2846)
do_recvmmsg (net/socket.c:2943)
__x64_sys_recvmmsg (net/socket.c:3041 net/socket.c:3034 net/socket.c:3034)
[1]:
BUG: TASK stack guard page was hit at 00000000f2fa9af1 (stack is 00000000b7912430..000000009a436beb)
stack guard page: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 223719 Comm: kworker/1:3 Not tainted 6.8.0-12821-g537c2e91d354-dirty #11
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
Workqueue: events netlink_sock_destruct_work
RIP: 0010:fib6_dump_done (net/ipv6/ip6_fib.c:570)
Code: 3c 24 e8 f3 e9 51 fd e9 28 fd ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 41 57 41 56 41 55 41 54 55 48 89 fd <53> 48 8d 5d 60 e8 b6 4d 07 fd 48 89 da 48 b8 00 00 00 00 00 fc ff
RSP: 0018:ffffc9000d980000 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffffff84405990 RCX: ffffffff844059d3
RDX: ffff8881028e0000 RSI: ffffffff84405ac2 RDI: ffff88810c02f358
RBP: ffff88810c02f358 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000224 R12: 0000000000000000
R13: ffff888007c82c78 R14: ffff888007c82c68 R15: ffff888007c82c68
FS: 0000000000000000(0000) GS:ffff88811b100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000d97fff8 CR3: 0000000102309002 CR4: 0000000000770ef0
PKRU: 55555554
Call Trace:
<#DF>
</#DF>
<TASK>
fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))
fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))
...
fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))
fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))
netlink_sock_destruct (net/netlink/af_netlink.c:401)
__sk_destruct (net/core/sock.c:2177 (discriminator 2))
sk_destruct (net/core/sock.c:2224)
__sk_free (net/core/sock.c:2235)
sk_free (net/core/sock.c:2246)
process_one_work (kernel/workqueue.c:3259)
worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416)
kthread (kernel/kthread.c:388)
ret_from_fork (arch/x86/kernel/process.c:153)
ret_from_fork_asm (arch/x86/entry/entry_64.S:256)
Modules linked in:
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: syzkaller <syzkaller@googlegroups.com>
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20240401211003.25274-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/ipv6/ip6_fib.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 5c558dc1c6838..7209419cfb0e9 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -651,19 +651,19 @@ static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
if (!w) {
/* New dump:
*
- * 1. hook callback destructor.
- */
- cb->args[3] = (long)cb->done;
- cb->done = fib6_dump_done;
-
- /*
- * 2. allocate and initialize walker.
+ * 1. allocate and initialize walker.
*/
w = kzalloc(sizeof(*w), GFP_ATOMIC);
if (!w)
return -ENOMEM;
w->func = fib6_dump_node;
cb->args[2] = (long)w;
+
+ /* 2. hook callback destructor.
+ */
+ cb->args[3] = (long)cb->done;
+ cb->done = fib6_dump_done;
+
}
arg.skb = skb;
--
GitLab
From c53fe72cb5fffd69f2fff104b0119d6e271759c5 Mon Sep 17 00:00:00 2001
From: Tariq Toukan <tariqt@nvidia.com>
Date: Mon, 1 Apr 2024 21:43:47 +0300
Subject: [PATCH 2011/2686] MAINTAINERS: mlx5: Add Tariq Toukan
Add myself as mlx5 core and EN maintainer.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Acked-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20240401184347.53884-1-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
MAINTAINERS | 2 ++
1 file changed, 2 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 7b8f97bf79751..de969a9c8ad2d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14014,6 +14014,7 @@ F: drivers/net/ethernet/mellanox/mlx4/en_*
MELLANOX ETHERNET DRIVER (mlx5e)
M: Saeed Mahameed <saeedm@nvidia.com>
+M: Tariq Toukan <tariqt@nvidia.com>
L: netdev@vger.kernel.org
S: Supported
W: http://www.mellanox.com
@@ -14081,6 +14082,7 @@ F: include/uapi/rdma/mlx4-abi.h
MELLANOX MLX5 core VPI driver
M: Saeed Mahameed <saeedm@nvidia.com>
M: Leon Romanovsky <leonro@nvidia.com>
+M: Tariq Toukan <tariqt@nvidia.com>
L: netdev@vger.kernel.org
L: linux-rdma@vger.kernel.org
S: Supported
--
GitLab
From 5bd31ab5f79eb6e3bdfa0ca0b57650f9d1604062 Mon Sep 17 00:00:00 2001
From: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Date: Thu, 15 Feb 2024 07:52:32 -0600
Subject: [PATCH 2012/2686] powerpc/iommu: Refactor
spapr_tce_platform_iommu_attach_dev()
The patch makes the iommu_group_get() call only when using it
thereby avoiding the unnecessary get & put for domain already
being set case.
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/170800513841.2411.13524607664262048895.stgit@linux.ibm.com
---
arch/powerpc/kernel/iommu.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 1185efebf032b..29a8c8e185851 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -1285,15 +1285,14 @@ spapr_tce_platform_iommu_attach_dev(struct iommu_domain *platform_domain,
struct device *dev)
{
struct iommu_domain *domain = iommu_get_domain_for_dev(dev);
- struct iommu_group *grp = iommu_group_get(dev);
struct iommu_table_group *table_group;
+ struct iommu_group *grp;
/* At first attach the ownership is already set */
- if (!domain) {
- iommu_group_put(grp);
+ if (!domain)
return 0;
- }
+ grp = iommu_group_get(dev);
table_group = iommu_group_get_iommudata(grp);
/*
* The domain being set to PLATFORM from earlier
--
GitLab
From c3eeb1ffc6a88af9b002e22be0f70851759be03a Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Mon, 1 Apr 2024 11:16:39 -0700
Subject: [PATCH 2013/2686] x86/resctrl: Fix uninitialized memory read when
last CPU of domain goes offline
Tony encountered this OOPS when the last CPU of a domain goes
offline while running a kernel built with CONFIG_NO_HZ_FULL:
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0
Oops: 0000 [#1] PREEMPT SMP NOPTI
...
RIP: 0010:__find_nth_andnot_bit+0x66/0x110
...
Call Trace:
<TASK>
? __die()
? page_fault_oops()
? exc_page_fault()
? asm_exc_page_fault()
cpumask_any_housekeeping()
mbm_setup_overflow_handler()
resctrl_offline_cpu()
resctrl_arch_offline_cpu()
cpuhp_invoke_callback()
cpuhp_thread_fun()
smpboot_thread_fn()
kthread()
ret_from_fork()
ret_from_fork_asm()
</TASK>
The NULL pointer dereference is encountered while searching for another
online CPU in the domain (of which there are none) that can be used to
run the MBM overflow handler.
Because the kernel is configured with CONFIG_NO_HZ_FULL the search for
another CPU (in its effort to prefer those CPUs that aren't marked
nohz_full) consults the mask representing the nohz_full CPUs,
tick_nohz_full_mask. On a kernel with CONFIG_CPUMASK_OFFSTACK=y
tick_nohz_full_mask is not allocated unless the kernel is booted with
the "nohz_full=" parameter and because of that any access to
tick_nohz_full_mask needs to be guarded with tick_nohz_full_enabled().
Replace the IS_ENABLED(CONFIG_NO_HZ_FULL) with tick_nohz_full_enabled().
The latter ensures tick_nohz_full_mask can be accessed safely and can be
used whether kernel is built with CONFIG_NO_HZ_FULL enabled or not.
[ Use Ingo's suggestion that combines the two NO_HZ checks into one. ]
Fixes: a4846aaf3945 ("x86/resctrl: Add cpumask_any_housekeeping() for limbo/overflow")
Reported-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Babu Moger <babu.moger@amd.com>
Link: https://lore.kernel.org/r/ff8dfc8d3dcb04b236d523d1e0de13d2ef585223.1711993956.git.reinette.chatre@intel.com
Closes: https://lore.kernel.org/lkml/ZgIFT5gZgIQ9A9G7@agluck-desk3/
---
arch/x86/kernel/cpu/resctrl/internal.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h
index c99f26ebe7a65..1a8687f8073a8 100644
--- a/arch/x86/kernel/cpu/resctrl/internal.h
+++ b/arch/x86/kernel/cpu/resctrl/internal.h
@@ -78,7 +78,8 @@ cpumask_any_housekeeping(const struct cpumask *mask, int exclude_cpu)
else
cpu = cpumask_any_but(mask, exclude_cpu);
- if (!IS_ENABLED(CONFIG_NO_HZ_FULL))
+ /* Only continue if tick_nohz_full_mask has been initialized. */
+ if (!tick_nohz_full_enabled())
return cpu;
/* If the CPU picked isn't marked nohz_full nothing more needs doing. */
--
GitLab
From 312be9fc2234c8acfb8148a9f4c358b70d358dee Mon Sep 17 00:00:00 2001
From: Kan Liang <kan.liang@linux.intel.com>
Date: Mon, 1 Apr 2024 06:33:20 -0700
Subject: [PATCH 2014/2686] perf/x86/intel/ds: Don't clear ->pebs_data_cfg for
the last PEBS event
The MSR_PEBS_DATA_CFG MSR register is used to configure which data groups
should be generated into a PEBS record, and it's shared among all counters.
If there are different configurations among counters, perf combines all the
configurations.
The first perf command as below requires a complete PEBS record
(including memory info, GPRs, XMMs, and LBRs). The second perf command
only requires a basic group. However, after the second perf command is
running, the MSR_PEBS_DATA_CFG register is cleared. Only a basic group is
generated in a PEBS record, which is wrong. The required information
for the first perf command is missed.
$ perf record --intr-regs=AX,SP,XMM0 -a -C 8 -b -W -d -c 100000003 -o /dev/null -e cpu/event=0xd0,umask=0x81/upp &
$ sleep 5
$ perf record --per-thread -c 1 -e cycles:pp --no-timestamp --no-tid taskset -c 8 ./noploop 1000
The first PEBS event is a system-wide PEBS event. The second PEBS event
is a per-thread event. When the thread is scheduled out, the
intel_pmu_pebs_del() function is invoked to update the PEBS state.
Since the system-wide event is still available, the cpuc->n_pebs is 1.
The cpuc->pebs_data_cfg is cleared. The data configuration for the
system-wide PEBS event is lost.
The (cpuc->n_pebs == 1) check was introduced in commit:
b6a32f023fcc ("perf/x86: Fix PEBS threshold initialization")
At that time, it indeed didn't hurt whether the state was updated
during the removal, because only the threshold is updated.
The calculation of the threshold takes the last PEBS event into
account.
However, since commit:
b752ea0c28e3 ("perf/x86/intel/ds: Flush PEBS DS when changing PEBS_DATA_CFG")
we delay the threshold update, and clear the PEBS data config, which triggers
the bug.
The PEBS data config update scope should not be shrunk during removal.
[ mingo: Improved the changelog & comments. ]
Fixes: b752ea0c28e3 ("perf/x86/intel/ds: Flush PEBS DS when changing PEBS_DATA_CFG")
Reported-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240401133320.703971-1-kan.liang@linux.intel.com
---
arch/x86/events/intel/ds.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 2641ba620f12a..e010bfed84170 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -1237,11 +1237,11 @@ pebs_update_state(bool needed_cb, struct cpu_hw_events *cpuc,
struct pmu *pmu = event->pmu;
/*
- * Make sure we get updated with the first PEBS
- * event. It will trigger also during removal, but
- * that does not hurt:
+ * Make sure we get updated with the first PEBS event.
+ * During removal, ->pebs_data_cfg is still valid for
+ * the last PEBS event. Don't clear it.
*/
- if (cpuc->n_pebs == 1)
+ if ((cpuc->n_pebs == 1) && add)
cpuc->pebs_data_cfg = PEBS_UPDATE_DS_SW;
if (needed_cb != pebs_needs_sched_cb(cpuc)) {
--
GitLab
From ef15ddeeb6bee87c044bf7754fac524545bf71e8 Mon Sep 17 00:00:00 2001
From: Aleksandr Mishin <amishin@t-argos.ru>
Date: Thu, 28 Mar 2024 19:55:05 +0300
Subject: [PATCH 2015/2686] octeontx2-af: Add array index check
In rvu_map_cgx_lmac_pf() the 'iter', which is used as an array index, can reach
value (up to 14) that exceed the size (MAX_LMAC_COUNT = 8) of the array.
Fix this bug by adding 'iter' value check.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 91c6945ea1f9 ("octeontx2-af: cn10k: Add RPM MAC support")
Signed-off-by: Aleksandr Mishin <amishin@t-argos.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
index 72e060cf6b618..e9bf9231b0185 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
@@ -160,6 +160,8 @@ static int rvu_map_cgx_lmac_pf(struct rvu *rvu)
continue;
lmac_bmap = cgx_get_lmac_bmap(rvu_cgx_pdata(cgx, rvu));
for_each_set_bit(iter, &lmac_bmap, rvu->hw->lmac_per_cgx) {
+ if (iter >= MAX_LMAC_COUNT)
+ continue;
lmac = cgx_get_lmacid(rvu_cgx_pdata(cgx, rvu),
iter);
rvu->pf2cgxlmac_map[pf] = cgxlmac_id_to_bmap(cgx, lmac);
--
GitLab
From bff892acf79cec531da6cb21c50980a584ce1476 Mon Sep 17 00:00:00 2001
From: Carlos Song <carlos.song@nxp.com>
Date: Wed, 3 Apr 2024 16:40:29 +0800
Subject: [PATCH 2016/2686] spi: spi-fsl-lpspi: remove redundant
spi_controller_put call
devm_spi_alloc_controller will allocate an SPI controller and
automatically release a reference on it when dev is unbound from
its driver. It doesn't need to call spi_controller_put explicitly
to put the reference when lpspi driver failed initialization.
Fixes: 2ae0ab0143fc ("spi: lpspi: Avoid potential use-after-free in probe()")
Signed-off-by: Carlos Song <carlos.song@nxp.com>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Link: https://msgid.link/r/20240403084029.2000544-1-carlos.song@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-fsl-lpspi.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c
index 079035db7dd85..92a662d1b55cf 100644
--- a/drivers/spi/spi-fsl-lpspi.c
+++ b/drivers/spi/spi-fsl-lpspi.c
@@ -852,39 +852,39 @@ static int fsl_lpspi_probe(struct platform_device *pdev)
fsl_lpspi->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(fsl_lpspi->base)) {
ret = PTR_ERR(fsl_lpspi->base);
- goto out_controller_put;
+ return ret;
}
fsl_lpspi->base_phys = res->start;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
ret = irq;
- goto out_controller_put;
+ return ret;
}
ret = devm_request_irq(&pdev->dev, irq, fsl_lpspi_isr, 0,
dev_name(&pdev->dev), fsl_lpspi);
if (ret) {
dev_err(&pdev->dev, "can't get irq%d: %d\n", irq, ret);
- goto out_controller_put;
+ return ret;
}
fsl_lpspi->clk_per = devm_clk_get(&pdev->dev, "per");
if (IS_ERR(fsl_lpspi->clk_per)) {
ret = PTR_ERR(fsl_lpspi->clk_per);
- goto out_controller_put;
+ return ret;
}
fsl_lpspi->clk_ipg = devm_clk_get(&pdev->dev, "ipg");
if (IS_ERR(fsl_lpspi->clk_ipg)) {
ret = PTR_ERR(fsl_lpspi->clk_ipg);
- goto out_controller_put;
+ return ret;
}
/* enable the clock */
ret = fsl_lpspi_init_rpm(fsl_lpspi);
if (ret)
- goto out_controller_put;
+ return ret;
ret = pm_runtime_get_sync(fsl_lpspi->dev);
if (ret < 0) {
@@ -945,8 +945,6 @@ static int fsl_lpspi_probe(struct platform_device *pdev)
pm_runtime_dont_use_autosuspend(fsl_lpspi->dev);
pm_runtime_put_sync(fsl_lpspi->dev);
pm_runtime_disable(fsl_lpspi->dev);
-out_controller_put:
- spi_controller_put(controller);
return ret;
}
--
GitLab
From 1f886a7bfb3faf4c1021e73f045538008ce7634e Mon Sep 17 00:00:00 2001
From: Huai-Yuan Liu <qq810974084@gmail.com>
Date: Wed, 3 Apr 2024 09:42:21 +0800
Subject: [PATCH 2017/2686] spi: mchp-pci1xxx: Fix a possible null pointer
dereference in pci1xxx_spi_probe
In function pci1xxxx_spi_probe, there is a potential null pointer that
may be caused by a failed memory allocation by the function devm_kzalloc.
Hence, a null pointer check needs to be added to prevent null pointer
dereferencing later in the code.
To fix this issue, spi_bus->spi_int[iter] should be checked. The memory
allocated by devm_kzalloc will be automatically released, so just directly
return -ENOMEM without worrying about memory leaks.
Fixes: 1cc0cbea7167 ("spi: microchip: pci1xxxx: Add driver for SPI controller of PCI1XXXX PCIe switch")
Signed-off-by: Huai-Yuan Liu <qq810974084@gmail.com>
Link: https://msgid.link/r/20240403014221.969801-1-qq810974084@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-pci1xxxx.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/spi/spi-pci1xxxx.c b/drivers/spi/spi-pci1xxxx.c
index 969965d7bc98b..cc18d320370f9 100644
--- a/drivers/spi/spi-pci1xxxx.c
+++ b/drivers/spi/spi-pci1xxxx.c
@@ -725,6 +725,8 @@ static int pci1xxxx_spi_probe(struct pci_dev *pdev, const struct pci_device_id *
spi_bus->spi_int[iter] = devm_kzalloc(&pdev->dev,
sizeof(struct pci1xxxx_spi_internal),
GFP_KERNEL);
+ if (!spi_bus->spi_int[iter])
+ return -ENOMEM;
spi_sub_ptr = spi_bus->spi_int[iter];
spi_sub_ptr->spi_host = devm_spi_alloc_host(dev, sizeof(struct spi_controller));
if (!spi_sub_ptr->spi_host)
--
GitLab
From 0a6380cb4c6b5c1d6dad226ba3130f9090f0ccea Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Mon, 1 Apr 2024 13:09:33 +0200
Subject: [PATCH 2018/2686] net: bcmgenet: Reset RBUF on first open
If the RBUF logic is not reset when the kernel starts then there
may be some data left over from any network boot loader. If the
64-byte packet headers are enabled then this can be fatal.
Extend bcmgenet_dma_disable to do perform the reset, but not when
called from bcmgenet_resume in order to preserve a wake packet.
N.B. This different handling of resume is just based on a hunch -
why else wouldn't one reset the RBUF as well as the TBUF? If this
isn't the case then it's easy to change the patch to make the RBUF
reset unconditional.
See: https://github.com/raspberrypi/linux/issues/3850
See: https://github.com/raspberrypi/firmware/issues/1882
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Signed-off-by: Maarten Vanraes <maarten@rmail.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/broadcom/genet/bcmgenet.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 7396e2823e328..b1f84b37032a7 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -3280,7 +3280,7 @@ static void bcmgenet_get_hw_addr(struct bcmgenet_priv *priv,
}
/* Returns a reusable dma control register value */
-static u32 bcmgenet_dma_disable(struct bcmgenet_priv *priv)
+static u32 bcmgenet_dma_disable(struct bcmgenet_priv *priv, bool flush_rx)
{
unsigned int i;
u32 reg;
@@ -3305,6 +3305,14 @@ static u32 bcmgenet_dma_disable(struct bcmgenet_priv *priv)
udelay(10);
bcmgenet_umac_writel(priv, 0, UMAC_TX_FLUSH);
+ if (flush_rx) {
+ reg = bcmgenet_rbuf_ctrl_get(priv);
+ bcmgenet_rbuf_ctrl_set(priv, reg | BIT(0));
+ udelay(10);
+ bcmgenet_rbuf_ctrl_set(priv, reg);
+ udelay(10);
+ }
+
return dma_ctrl;
}
@@ -3368,8 +3376,8 @@ static int bcmgenet_open(struct net_device *dev)
bcmgenet_set_hw_addr(priv, dev->dev_addr);
- /* Disable RX/TX DMA and flush TX queues */
- dma_ctrl = bcmgenet_dma_disable(priv);
+ /* Disable RX/TX DMA and flush TX and RX queues */
+ dma_ctrl = bcmgenet_dma_disable(priv, true);
/* Reinitialize TDMA and RDMA and SW housekeeping */
ret = bcmgenet_init_dma(priv);
@@ -4235,7 +4243,7 @@ static int bcmgenet_resume(struct device *d)
bcmgenet_hfb_create_rxnfc_filter(priv, rule);
/* Disable RX/TX DMA and flush TX queues */
- dma_ctrl = bcmgenet_dma_disable(priv);
+ dma_ctrl = bcmgenet_dma_disable(priv, false);
/* Reinitialize TDMA and RDMA and SW housekeeping */
ret = bcmgenet_init_dma(priv);
--
GitLab
From e8acd2d209a387f2358c2c83fe894b444db9ea46 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Tue, 2 Apr 2024 18:43:45 +0200
Subject: [PATCH 2019/2686] gpiolib: Fix triggering "kobject: 'gpiochipX' is
not initialized, yet" kobject_get() errors
When a gpiochip gets added by loading a module, then another driver may
be waiting for that gpiochip to load on the deferred-probe list.
If the deferred-probe for the consumer of gpiochip then triggers between
the gpiodev_add_to_list_unlocked() calls which makes gpio_device_find()
see the chip and the gpiochip_setup_dev() later then gpio_device_find()
does a kobject_get() on an uninitialized kobject since the kobject is
initialized by gpiochip_setup_dev() calling device_initialize():
arizona spi-10WM5102:00: cannot find GPIO chip arizona, deferring
arizona spi-10WM5102:00: cannot find GPIO chip arizona, deferring
------------[ cut here ]------------
kobject: 'gpiochip5' (00000000241466f2): is not initialized, yet kobject_get() is being called.
WARNING: CPU: 3 PID: 42 at lib/kobject.c:640 kobject_get+0x43/0x70
Call Trace:
kobject_get
gpio_device_find
gpiod_find_and_request
gpiod_get
snd_byt_wm5102_mc_probe
Not only is the device not initialized yet, but when the gpio-device is
added to the list things like the irqchip also have not been initialized
yet.
So gpio_device_find() should really ignore the gpio-device until
gpiochip_add_data_with_key() is fully done. Add a device_is_registered()
check to gpio_device_find() to ignore gpio-devices on the list which are
not yet fully initialized.
Fixes: aab5c6f20023 ("gpio: set device type for GPIO chips")
Suggested-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
[Bartosz: fix a typo in commit message]
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
drivers/gpio/gpiolib.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 59ccf9a3e1539..94903fc1c1459 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1175,6 +1175,9 @@ struct gpio_device *gpio_device_find(const void *data,
list_for_each_entry_srcu(gdev, &gpio_devices, list,
srcu_read_lock_held(&gpio_devices_srcu)) {
+ if (!device_is_registered(&gdev->dev))
+ continue;
+
guard(srcu)(&gdev->srcu);
gc = srcu_dereference(gdev->chip, &gdev->srcu);
--
GitLab
From 1d86c2b3946e69d6b0b93568d312aae6247847c0 Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@nxp.com>
Date: Mon, 1 Apr 2024 18:25:03 -0400
Subject: [PATCH 2020/2686] arm64: dts: imx8-ss-lsio: fix pwm lpcg indices
lpcg's arg0 should use clock indices instead of index.
pwm0_lpcg: clock-controller@5d400000 {
... // Col1 Col2
clocks = <&clk IMX_SC_R_PWM_0 IMX_SC_PM_CLK_PER>, // 0 0
<&clk IMX_SC_R_PWM_0 IMX_SC_PM_CLK_PER>, // 1 1
<&clk IMX_SC_R_PWM_0 IMX_SC_PM_CLK_PER>, // 2 4
<&lsio_bus_clk>, // 3 5
<&clk IMX_SC_R_PWM_0 IMX_SC_PM_CLK_PER>; // 4 6
clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_1>,
<IMX_LPCG_CLK_4>, <IMX_LPCG_CLK_5>,
<IMX_LPCG_CLK_6>;
};
Col1: index, which existing dts try to get.
Col2: actual index in lpcg driver.
pwm1 {
....
clocks = <&pwm1_lpcg 4>, <&pwm1_lpcg 1>;
^^ ^^
should be:
clocks = <&pwm1_lpcg IMX_LPCG_CLK_6>, <&pwm1_lpcg IMX_LPCG_CLK_1>;
};
Arg0 is divided by 4 in lpcg driver, so index 0 and 1 will be get by pwm
driver, which are same as IMX_LPCG_CLK_6 and IMX_LPCG_CLK_1. Even it can
work, but code logic is wrong. Fixed it by use correct indices.
Cc: stable@vger.kernel.org
Fixes: 23fa99b205ea ("arm64: dts: freescale: imx8-ss-lsio: add support for lsio_pwm0-3")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
index 7e510b21bbac5..764c1a08e3b11 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi
@@ -25,8 +25,8 @@ lsio_pwm0: pwm@5d000000 {
compatible = "fsl,imx27-pwm";
reg = <0x5d000000 0x10000>;
clock-names = "ipg", "per";
- clocks = <&pwm0_lpcg 4>,
- <&pwm0_lpcg 1>;
+ clocks = <&pwm0_lpcg IMX_LPCG_CLK_6>,
+ <&pwm0_lpcg IMX_LPCG_CLK_1>;
assigned-clocks = <&clk IMX_SC_R_PWM_0 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <24000000>;
#pwm-cells = <3>;
@@ -38,8 +38,8 @@ lsio_pwm1: pwm@5d010000 {
compatible = "fsl,imx27-pwm";
reg = <0x5d010000 0x10000>;
clock-names = "ipg", "per";
- clocks = <&pwm1_lpcg 4>,
- <&pwm1_lpcg 1>;
+ clocks = <&pwm1_lpcg IMX_LPCG_CLK_6>,
+ <&pwm1_lpcg IMX_LPCG_CLK_1>;
assigned-clocks = <&clk IMX_SC_R_PWM_1 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <24000000>;
#pwm-cells = <3>;
@@ -51,8 +51,8 @@ lsio_pwm2: pwm@5d020000 {
compatible = "fsl,imx27-pwm";
reg = <0x5d020000 0x10000>;
clock-names = "ipg", "per";
- clocks = <&pwm2_lpcg 4>,
- <&pwm2_lpcg 1>;
+ clocks = <&pwm2_lpcg IMX_LPCG_CLK_6>,
+ <&pwm2_lpcg IMX_LPCG_CLK_1>;
assigned-clocks = <&clk IMX_SC_R_PWM_2 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <24000000>;
#pwm-cells = <3>;
@@ -64,8 +64,8 @@ lsio_pwm3: pwm@5d030000 {
compatible = "fsl,imx27-pwm";
reg = <0x5d030000 0x10000>;
clock-names = "ipg", "per";
- clocks = <&pwm3_lpcg 4>,
- <&pwm3_lpcg 1>;
+ clocks = <&pwm3_lpcg IMX_LPCG_CLK_6>,
+ <&pwm3_lpcg IMX_LPCG_CLK_1>;
assigned-clocks = <&clk IMX_SC_R_PWM_3 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <24000000>;
#pwm-cells = <3>;
--
GitLab
From 808e7716edcdb39d3498b9f567ef6017858b49aa Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@nxp.com>
Date: Mon, 1 Apr 2024 18:25:04 -0400
Subject: [PATCH 2021/2686] arm64: dts: imx8-ss-conn: fix usb lpcg indices
usb2_lpcg: clock-controller@5b270000 {
... Col1 Col2
clocks = <&conn_ahb_clk>, <&conn_ipg_clk>; // 0 6
clock-indices = <IMX_LPCG_CLK_6>, <IMX_LPCG_CLK_7>; // 0 7
...
};
Col1: index, which existing dts try to get.
Col2: actual index in lpcg driver.
usbotg1: usb@5b0d0000 {
...
clocks = <&usb2_lpcg 0>;
^^
Should be:
clocks = <&usb2_lpcg IMX_LPCG_CLK_6>;
};
usbphy1: usbphy@5b100000 {
clocks = <&usb2_lpcg 1>;
^^
SHould be:
clocks = <&usb2_lpcg IMX_LPCG_CLK_7>;
};
Arg0 is divided by 4 in lpcg driver. So lpcg will do dummy enable. Fix it
by use correct clock indices.
Cc: stable@vger.kernel.org
Fixes: 8065fc937f0f ("arm64: dts: imx8dxl: add usb1 and usb2 support")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
index af2259e997967..4aaf5a0c1ed8a 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
@@ -41,7 +41,7 @@ usbotg1: usb@5b0d0000 {
interrupts = <GIC_SPI 267 IRQ_TYPE_LEVEL_HIGH>;
fsl,usbphy = <&usbphy1>;
fsl,usbmisc = <&usbmisc1 0>;
- clocks = <&usb2_lpcg 0>;
+ clocks = <&usb2_lpcg IMX_LPCG_CLK_6>;
ahb-burst-config = <0x0>;
tx-burst-size-dword = <0x10>;
rx-burst-size-dword = <0x10>;
@@ -58,7 +58,7 @@ usbmisc1: usbmisc@5b0d0200 {
usbphy1: usbphy@5b100000 {
compatible = "fsl,imx7ulp-usbphy";
reg = <0x5b100000 0x1000>;
- clocks = <&usb2_lpcg 1>;
+ clocks = <&usb2_lpcg IMX_LPCG_CLK_7>;
power-domains = <&pd IMX_SC_R_USB_0_PHY>;
status = "disabled";
};
--
GitLab
From f72b544a514c07d34a0d9d5380f5905b3731e647 Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@nxp.com>
Date: Mon, 1 Apr 2024 18:25:05 -0400
Subject: [PATCH 2022/2686] arm64: dts: imx8-ss-dma: fix spi lpcg indices
spi0_lpcg: clock-controller@5a400000 {
... Col0 Col1
clocks = <&clk IMX_SC_R_SPI_0 IMX_SC_PM_CLK_PER>,// 0 1
<&dma_ipg_clk>; // 1 4
clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
};
Col1: index, which existing dts try to get.
Col2: actual index in lpcg driver.
lpspi0: spi@5a000000 {
...
clocks = <&spi0_lpcg 0>, <&spi0_lpcg 1>;
^ ^
Should be:
clocks = <&spi0_lpcg IMX_LPCG_CLK_0>, <&spi0_lpcg IMX_LPCG_CLK_4>;
};
Arg0 is divided by 4 in lpcg driver. <&spi0_lpcg 0> and <&spi0_lpcg 1> are
IMX_SC_PM_CLK_PER. Although code can work, code logic is wrong. It should
use IMX_LPCG_CLK_0 and IMX_LPCG_CLK_4 for lpcg arg0.
Cc: stable@vger.kernel.org
Fixes: c4098885e790 ("arm64: dts: imx8dxl: add lpspi support")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
index cab3468b1875e..169cf885c7442 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
@@ -28,8 +28,8 @@ lpspi0: spi@5a000000 {
#size-cells = <0>;
interrupts = <GIC_SPI 336 IRQ_TYPE_LEVEL_HIGH>;
interrupt-parent = <&gic>;
- clocks = <&spi0_lpcg 0>,
- <&spi0_lpcg 1>;
+ clocks = <&spi0_lpcg IMX_LPCG_CLK_0>,
+ <&spi0_lpcg IMX_LPCG_CLK_4>;
clock-names = "per", "ipg";
assigned-clocks = <&clk IMX_SC_R_SPI_0 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <60000000>;
@@ -44,8 +44,8 @@ lpspi1: spi@5a010000 {
#size-cells = <0>;
interrupts = <GIC_SPI 337 IRQ_TYPE_LEVEL_HIGH>;
interrupt-parent = <&gic>;
- clocks = <&spi1_lpcg 0>,
- <&spi1_lpcg 1>;
+ clocks = <&spi1_lpcg IMX_LPCG_CLK_0>,
+ <&spi1_lpcg IMX_LPCG_CLK_4>;
clock-names = "per", "ipg";
assigned-clocks = <&clk IMX_SC_R_SPI_1 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <60000000>;
@@ -60,8 +60,8 @@ lpspi2: spi@5a020000 {
#size-cells = <0>;
interrupts = <GIC_SPI 338 IRQ_TYPE_LEVEL_HIGH>;
interrupt-parent = <&gic>;
- clocks = <&spi2_lpcg 0>,
- <&spi2_lpcg 1>;
+ clocks = <&spi2_lpcg IMX_LPCG_CLK_0>,
+ <&spi2_lpcg IMX_LPCG_CLK_4>;
clock-names = "per", "ipg";
assigned-clocks = <&clk IMX_SC_R_SPI_2 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <60000000>;
@@ -76,8 +76,8 @@ lpspi3: spi@5a030000 {
#size-cells = <0>;
interrupts = <GIC_SPI 339 IRQ_TYPE_LEVEL_HIGH>;
interrupt-parent = <&gic>;
- clocks = <&spi3_lpcg 0>,
- <&spi3_lpcg 1>;
+ clocks = <&spi3_lpcg IMX_LPCG_CLK_0>,
+ <&spi3_lpcg IMX_LPCG_CLK_4>;
clock-names = "per", "ipg";
assigned-clocks = <&clk IMX_SC_R_SPI_3 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <60000000>;
--
GitLab
From 9055d87bce7276234173fa90e9702af31b3f5353 Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@nxp.com>
Date: Mon, 1 Apr 2024 18:25:06 -0400
Subject: [PATCH 2023/2686] arm64: dts: imx8-ss-dma: fix pwm lpcg indices
adma_pwm_lpcg: clock-controller@5a590000 {
... col1 col2
clocks = <&clk IMX_SC_R_LCD_0_PWM_0 IMX_SC_PM_CLK_PER>,// 0 0
<&dma_ipg_clk>; // 1 4
clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
...
};
Col1: index, which existing dts try to get.
Col2: actual index in lpcg driver.
adma_pwm: pwm@5a190000 {
...
clocks = <&adma_pwm_lpcg 1>, <&adma_pwm_lpcg 0>;
^^ ^^
Should be
clocks = <&adma_pwm_lpcg IMX_LPCG_CLK_4>,
<&adma_pwm_lpcg IMX_LPCG_CLK_0>;
};
Arg0 will be divided by 4 in lcpg driver, so pwm will get IMX_SC_PM_CLK_PER
by <&adma_pwm_lpcg 1>, <&adma_pwm_lpcg 0>. Although function can work, code
logic is wrong. Fix it by use correct indices.
Cc: stable@vger.kernel.org
Fixes: f1d6a6b991ef ("arm64: dts: imx8qxp: add adma_pwm in adma")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
index 169cf885c7442..e3e911e577907 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
@@ -145,8 +145,8 @@ adma_pwm: pwm@5a190000 {
compatible = "fsl,imx8qxp-pwm", "fsl,imx27-pwm";
reg = <0x5a190000 0x1000>;
interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&adma_pwm_lpcg 1>,
- <&adma_pwm_lpcg 0>;
+ clocks = <&adma_pwm_lpcg IMX_LPCG_CLK_4>,
+ <&adma_pwm_lpcg IMX_LPCG_CLK_0>;
clock-names = "ipg", "per";
assigned-clocks = <&clk IMX_SC_R_LCD_0_PWM_0 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <24000000>;
--
GitLab
From 81975080f14167610976e968e8016e92d836266f Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@nxp.com>
Date: Mon, 1 Apr 2024 18:25:07 -0400
Subject: [PATCH 2024/2686] arm64: dts: imx8-ss-dma: fix adc lpcg indices
adc0_lpcg: clock-controller@5ac80000 {
... Col1 Col2
clocks = <&clk IMX_SC_R_ADC_0 IMX_SC_PM_CLK_PER>, // 0 0
<&dma_ipg_clk>; // 1 4
clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
};
Col1: index, which existing dts try to get.
Col2: actual index in lpcg driver.
adc0: adc@5a880000 {
clocks = <&adc0_lpcg 0>, <&adc0_lpcg 1>;
^^ ^^
clocks = <&adc0_lpcg IMX_LPCG_CLK_0>, <&adc0_lpcg IMX_LPCG_CLK_4>;
Arg0 is divided by 4 in lpcg driver. So adc get IMX_SC_PM_CLK_PER by
<&adc0_lpcg 0>, <&adc0_lpcg 1>. Although function can work, code logic is
wrong. Fix it by using correct indices.
Cc: stable@vger.kernel.org
Fixes: 1db044b25d2e ("arm64: dts: imx8dxl: add adc0 support")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
index e3e911e577907..23d59b34bc4ce 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
@@ -355,8 +355,8 @@ adc0: adc@5a880000 {
reg = <0x5a880000 0x10000>;
interrupts = <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>;
interrupt-parent = <&gic>;
- clocks = <&adc0_lpcg 0>,
- <&adc0_lpcg 1>;
+ clocks = <&adc0_lpcg IMX_LPCG_CLK_0>,
+ <&adc0_lpcg IMX_LPCG_CLK_4>;
clock-names = "per", "ipg";
assigned-clocks = <&clk IMX_SC_R_ADC_0 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <24000000>;
@@ -370,8 +370,8 @@ adc1: adc@5a890000 {
reg = <0x5a890000 0x10000>;
interrupts = <GIC_SPI 241 IRQ_TYPE_LEVEL_HIGH>;
interrupt-parent = <&gic>;
- clocks = <&adc1_lpcg 0>,
- <&adc1_lpcg 1>;
+ clocks = <&adc1_lpcg IMX_LPCG_CLK_0>,
+ <&adc1_lpcg IMX_LPCG_CLK_4>;
clock-names = "per", "ipg";
assigned-clocks = <&clk IMX_SC_R_ADC_1 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <24000000>;
--
GitLab
From 0893392334b5dffdf616a53679c6a2942c46391b Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@nxp.com>
Date: Mon, 1 Apr 2024 18:25:08 -0400
Subject: [PATCH 2025/2686] arm64: dts: imx8-ss-dma: fix can lpcg indices
can0_lpcg: clock-controller@5acd0000 {
... Col1 Col2
clocks = <&clk IMX_SC_R_CAN_0 IMX_SC_PM_CLK_PER>, // 0 0
<&dma_ipg_clk>, // 1 4
<&dma_ipg_clk>; // 2 5
clock-indices = <IMX_LPCG_CLK_0>,
<IMX_LPCG_CLK_4>,
<IMX_LPCG_CLK_5>;
}
Col1: index, which existing dts try to get.
Col2: actual index in lpcg driver.
flexcan1: can@5a8d0000 {
clocks = <&can0_lpcg 1>, <&can0_lpcg 0>;
^^ ^^
Should be:
clocks = <&can0_lpcg IMX_LPCG_CLK_4>, <&can0_lpcg IMX_LPCG_CLK_0>;
};
Arg0 is divided by 4 in lpcg driver. flexcan driver get IMX_SC_PM_CLK_PER
by <&can0_lpcg 1> and <&can0_lpcg 0>. Although function can work, code
logic is wrong. Fix it by using correct clock indices.
Cc: stable@vger.kernel.org
Fixes: 5e7d5b023e03 ("arm64: dts: imx8qxp: add flexcan in adma")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
index 23d59b34bc4ce..f7a91d43a0ffe 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
@@ -384,8 +384,8 @@ flexcan1: can@5a8d0000 {
reg = <0x5a8d0000 0x10000>;
interrupts = <GIC_SPI 235 IRQ_TYPE_LEVEL_HIGH>;
interrupt-parent = <&gic>;
- clocks = <&can0_lpcg 1>,
- <&can0_lpcg 0>;
+ clocks = <&can0_lpcg IMX_LPCG_CLK_4>,
+ <&can0_lpcg IMX_LPCG_CLK_0>;
clock-names = "ipg", "per";
assigned-clocks = <&clk IMX_SC_R_CAN_0 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <40000000>;
@@ -405,8 +405,8 @@ flexcan2: can@5a8e0000 {
* CAN1 shares CAN0's clock and to enable CAN0's clock it
* has to be powered on.
*/
- clocks = <&can0_lpcg 1>,
- <&can0_lpcg 0>;
+ clocks = <&can0_lpcg IMX_LPCG_CLK_4>,
+ <&can0_lpcg IMX_LPCG_CLK_0>;
clock-names = "ipg", "per";
assigned-clocks = <&clk IMX_SC_R_CAN_0 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <40000000>;
@@ -426,8 +426,8 @@ flexcan3: can@5a8f0000 {
* CAN2 shares CAN0's clock and to enable CAN0's clock it
* has to be powered on.
*/
- clocks = <&can0_lpcg 1>,
- <&can0_lpcg 0>;
+ clocks = <&can0_lpcg IMX_LPCG_CLK_4>,
+ <&can0_lpcg IMX_LPCG_CLK_0>;
clock-names = "ipg", "per";
assigned-clocks = <&clk IMX_SC_R_CAN_0 IMX_SC_PM_CLK_PER>;
assigned-clock-rates = <40000000>;
--
GitLab
From 00b436182138310bb8d362b912b12a9df8f72ca3 Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@nxp.com>
Date: Mon, 1 Apr 2024 18:25:09 -0400
Subject: [PATCH 2026/2686] arm64: dts: imx8qm-ss-dma: fix can lpcg indices
can1_lpcg: clock-controller@5ace0000 {
... Col1 Col2
clocks = <&clk IMX_SC_R_CAN_1 IMX_SC_PM_CLK_PER>,// 0 0
<&dma_ipg_clk>, // 1 4
<&dma_ipg_clk>; // 2 5
clock-indices = <IMX_LPCG_CLK_0>,
<IMX_LPCG_CLK_4>,
<IMX_LPCG_CLK_5>;
};
Col1: index, which existing dts try to get.
Col2: actual index in lpcg driver
&flexcan2 {
clocks = <&can1_lpcg 1>, <&can1_lpcg 0>;
^^ ^^
Should be:
clocks = <&can1_lpcg IMX_LPCG_CLK_4>, <&can1_lpcg IMX_LPCG_CLK_0>;
};
Arg0 is divided by 4 in lpcg driver. So flexcan get IMX_SC_PM_CLK_PER by
<&can1_lpcg 1> and <&can1_lpcg 0>. Although function work, code logic is
wrong. Fix it by using correct clock indices.
Cc: stable@vger.kernel.org
Fixes: be85831de020 ("arm64: dts: imx8qm: add can node in devicetree")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
arch/arm64/boot/dts/freescale/imx8qm-ss-dma.dtsi | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8qm-ss-dma.dtsi b/arch/arm64/boot/dts/freescale/imx8qm-ss-dma.dtsi
index 11626fae5f97f..aa9f28c4431d0 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-ss-dma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qm-ss-dma.dtsi
@@ -153,15 +153,15 @@ &flexcan1 {
};
&flexcan2 {
- clocks = <&can1_lpcg 1>,
- <&can1_lpcg 0>;
+ clocks = <&can1_lpcg IMX_LPCG_CLK_4>,
+ <&can1_lpcg IMX_LPCG_CLK_0>;
assigned-clocks = <&clk IMX_SC_R_CAN_1 IMX_SC_PM_CLK_PER>;
fsl,clk-source = /bits/ 8 <1>;
};
&flexcan3 {
- clocks = <&can2_lpcg 1>,
- <&can2_lpcg 0>;
+ clocks = <&can2_lpcg IMX_LPCG_CLK_4>,
+ <&can2_lpcg IMX_LPCG_CLK_0>;
assigned-clocks = <&clk IMX_SC_R_CAN_2 IMX_SC_PM_CLK_PER>;
fsl,clk-source = /bits/ 8 <1>;
};
--
GitLab
From e6ec07dc6dd498415bc8cc49437d5ec9e09cc48e Mon Sep 17 00:00:00 2001
From: Heiko Carstens <hca@linux.ibm.com>
Date: Wed, 20 Mar 2024 10:38:58 +0100
Subject: [PATCH 2027/2686] s390/mm: fix NULL pointer dereference
The recently added check to figure out if a fault happened on gmap ASCE
dereferences the gmap pointer in lowcore without checking that it is not
NULL. For all non-KVM processes the pointer is NULL, so that some value
from lowcore will be read. With the current layouts of struct gmap and
struct lowcore the read value (aka ASCE) is zero, so that this doesn't lead
to any observable bug; at least currently.
Fix this by adding the missing NULL pointer check.
Fixes: 64c3431808bd ("s390/entry: compare gmap asce to determine guest/host fault")
Acked-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
---
arch/s390/mm/fault.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index c421dd44ffbe0..0c66b32e0f9f1 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -75,7 +75,7 @@ static enum fault_type get_fault_type(struct pt_regs *regs)
if (!IS_ENABLED(CONFIG_PGSTE))
return KERNEL_FAULT;
gmap = (struct gmap *)S390_lowcore.gmap;
- if (regs->cr1 == gmap->asce)
+ if (gmap && gmap->asce == regs->cr1)
return GMAP_FAULT;
return KERNEL_FAULT;
}
--
GitLab
From 01cac82ae02b43983173ea8e475a1c999edd25a6 Mon Sep 17 00:00:00 2001
From: Ilya Leoshkevich <iii@linux.ibm.com>
Date: Wed, 20 Mar 2024 23:47:48 +0100
Subject: [PATCH 2028/2686] s390/atomic: mark all functions __always_inline
Atomic functions are quite ubiquitous and may be called by noinstr
ones, introducing unwanted instrumentation. They are very small, so
there are no significant downsides to force-inlining them.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20240320230007.4782-2-iii@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
---
arch/s390/include/asm/atomic.h | 44 +++++++++++++++---------------
arch/s390/include/asm/atomic_ops.h | 22 +++++++--------
2 files changed, 33 insertions(+), 33 deletions(-)
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index 7138d189cc420..0c4cad7d5a5b1 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -15,31 +15,31 @@
#include <asm/barrier.h>
#include <asm/cmpxchg.h>
-static inline int arch_atomic_read(const atomic_t *v)
+static __always_inline int arch_atomic_read(const atomic_t *v)
{
return __atomic_read(v);
}
#define arch_atomic_read arch_atomic_read
-static inline void arch_atomic_set(atomic_t *v, int i)
+static __always_inline void arch_atomic_set(atomic_t *v, int i)
{
__atomic_set(v, i);
}
#define arch_atomic_set arch_atomic_set
-static inline int arch_atomic_add_return(int i, atomic_t *v)
+static __always_inline int arch_atomic_add_return(int i, atomic_t *v)
{
return __atomic_add_barrier(i, &v->counter) + i;
}
#define arch_atomic_add_return arch_atomic_add_return
-static inline int arch_atomic_fetch_add(int i, atomic_t *v)
+static __always_inline int arch_atomic_fetch_add(int i, atomic_t *v)
{
return __atomic_add_barrier(i, &v->counter);
}
#define arch_atomic_fetch_add arch_atomic_fetch_add
-static inline void arch_atomic_add(int i, atomic_t *v)
+static __always_inline void arch_atomic_add(int i, atomic_t *v)
{
__atomic_add(i, &v->counter);
}
@@ -50,11 +50,11 @@ static inline void arch_atomic_add(int i, atomic_t *v)
#define arch_atomic_fetch_sub(_i, _v) arch_atomic_fetch_add(-(int)(_i), _v)
#define ATOMIC_OPS(op) \
-static inline void arch_atomic_##op(int i, atomic_t *v) \
+static __always_inline void arch_atomic_##op(int i, atomic_t *v) \
{ \
__atomic_##op(i, &v->counter); \
} \
-static inline int arch_atomic_fetch_##op(int i, atomic_t *v) \
+static __always_inline int arch_atomic_fetch_##op(int i, atomic_t *v) \
{ \
return __atomic_##op##_barrier(i, &v->counter); \
}
@@ -74,7 +74,7 @@ ATOMIC_OPS(xor)
#define arch_atomic_xchg(v, new) (arch_xchg(&((v)->counter), new))
-static inline int arch_atomic_cmpxchg(atomic_t *v, int old, int new)
+static __always_inline int arch_atomic_cmpxchg(atomic_t *v, int old, int new)
{
return __atomic_cmpxchg(&v->counter, old, new);
}
@@ -82,31 +82,31 @@ static inline int arch_atomic_cmpxchg(atomic_t *v, int old, int new)
#define ATOMIC64_INIT(i) { (i) }
-static inline s64 arch_atomic64_read(const atomic64_t *v)
+static __always_inline s64 arch_atomic64_read(const atomic64_t *v)
{
return __atomic64_read(v);
}
#define arch_atomic64_read arch_atomic64_read
-static inline void arch_atomic64_set(atomic64_t *v, s64 i)
+static __always_inline void arch_atomic64_set(atomic64_t *v, s64 i)
{
__atomic64_set(v, i);
}
#define arch_atomic64_set arch_atomic64_set
-static inline s64 arch_atomic64_add_return(s64 i, atomic64_t *v)
+static __always_inline s64 arch_atomic64_add_return(s64 i, atomic64_t *v)
{
return __atomic64_add_barrier(i, (long *)&v->counter) + i;
}
#define arch_atomic64_add_return arch_atomic64_add_return
-static inline s64 arch_atomic64_fetch_add(s64 i, atomic64_t *v)
+static __always_inline s64 arch_atomic64_fetch_add(s64 i, atomic64_t *v)
{
return __atomic64_add_barrier(i, (long *)&v->counter);
}
#define arch_atomic64_fetch_add arch_atomic64_fetch_add
-static inline void arch_atomic64_add(s64 i, atomic64_t *v)
+static __always_inline void arch_atomic64_add(s64 i, atomic64_t *v)
{
__atomic64_add(i, (long *)&v->counter);
}
@@ -114,20 +114,20 @@ static inline void arch_atomic64_add(s64 i, atomic64_t *v)
#define arch_atomic64_xchg(v, new) (arch_xchg(&((v)->counter), new))
-static inline s64 arch_atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new)
+static __always_inline s64 arch_atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new)
{
return __atomic64_cmpxchg((long *)&v->counter, old, new);
}
#define arch_atomic64_cmpxchg arch_atomic64_cmpxchg
-#define ATOMIC64_OPS(op) \
-static inline void arch_atomic64_##op(s64 i, atomic64_t *v) \
-{ \
- __atomic64_##op(i, (long *)&v->counter); \
-} \
-static inline long arch_atomic64_fetch_##op(s64 i, atomic64_t *v) \
-{ \
- return __atomic64_##op##_barrier(i, (long *)&v->counter); \
+#define ATOMIC64_OPS(op) \
+static __always_inline void arch_atomic64_##op(s64 i, atomic64_t *v) \
+{ \
+ __atomic64_##op(i, (long *)&v->counter); \
+} \
+static __always_inline long arch_atomic64_fetch_##op(s64 i, atomic64_t *v) \
+{ \
+ return __atomic64_##op##_barrier(i, (long *)&v->counter); \
}
ATOMIC64_OPS(and)
diff --git a/arch/s390/include/asm/atomic_ops.h b/arch/s390/include/asm/atomic_ops.h
index 50510e08b893b..7fa5f96a553a4 100644
--- a/arch/s390/include/asm/atomic_ops.h
+++ b/arch/s390/include/asm/atomic_ops.h
@@ -8,7 +8,7 @@
#ifndef __ARCH_S390_ATOMIC_OPS__
#define __ARCH_S390_ATOMIC_OPS__
-static inline int __atomic_read(const atomic_t *v)
+static __always_inline int __atomic_read(const atomic_t *v)
{
int c;
@@ -18,14 +18,14 @@ static inline int __atomic_read(const atomic_t *v)
return c;
}
-static inline void __atomic_set(atomic_t *v, int i)
+static __always_inline void __atomic_set(atomic_t *v, int i)
{
asm volatile(
" st %1,%0\n"
: "=R" (v->counter) : "d" (i));
}
-static inline s64 __atomic64_read(const atomic64_t *v)
+static __always_inline s64 __atomic64_read(const atomic64_t *v)
{
s64 c;
@@ -35,7 +35,7 @@ static inline s64 __atomic64_read(const atomic64_t *v)
return c;
}
-static inline void __atomic64_set(atomic64_t *v, s64 i)
+static __always_inline void __atomic64_set(atomic64_t *v, s64 i)
{
asm volatile(
" stg %1,%0\n"
@@ -45,7 +45,7 @@ static inline void __atomic64_set(atomic64_t *v, s64 i)
#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
#define __ATOMIC_OP(op_name, op_type, op_string, op_barrier) \
-static inline op_type op_name(op_type val, op_type *ptr) \
+static __always_inline op_type op_name(op_type val, op_type *ptr) \
{ \
op_type old; \
\
@@ -96,7 +96,7 @@ __ATOMIC_CONST_OPS(__atomic64_add_const, long, "agsi")
#else /* CONFIG_HAVE_MARCH_Z196_FEATURES */
#define __ATOMIC_OP(op_name, op_string) \
-static inline int op_name(int val, int *ptr) \
+static __always_inline int op_name(int val, int *ptr) \
{ \
int old, new; \
\
@@ -122,7 +122,7 @@ __ATOMIC_OPS(__atomic_xor, "xr")
#undef __ATOMIC_OPS
#define __ATOMIC64_OP(op_name, op_string) \
-static inline long op_name(long val, long *ptr) \
+static __always_inline long op_name(long val, long *ptr) \
{ \
long old, new; \
\
@@ -154,7 +154,7 @@ __ATOMIC64_OPS(__atomic64_xor, "xgr")
#endif /* CONFIG_HAVE_MARCH_Z196_FEATURES */
-static inline int __atomic_cmpxchg(int *ptr, int old, int new)
+static __always_inline int __atomic_cmpxchg(int *ptr, int old, int new)
{
asm volatile(
" cs %[old],%[new],%[ptr]"
@@ -164,7 +164,7 @@ static inline int __atomic_cmpxchg(int *ptr, int old, int new)
return old;
}
-static inline bool __atomic_cmpxchg_bool(int *ptr, int old, int new)
+static __always_inline bool __atomic_cmpxchg_bool(int *ptr, int old, int new)
{
int old_expected = old;
@@ -176,7 +176,7 @@ static inline bool __atomic_cmpxchg_bool(int *ptr, int old, int new)
return old == old_expected;
}
-static inline long __atomic64_cmpxchg(long *ptr, long old, long new)
+static __always_inline long __atomic64_cmpxchg(long *ptr, long old, long new)
{
asm volatile(
" csg %[old],%[new],%[ptr]"
@@ -186,7 +186,7 @@ static inline long __atomic64_cmpxchg(long *ptr, long old, long new)
return old;
}
-static inline bool __atomic64_cmpxchg_bool(long *ptr, long old, long new)
+static __always_inline bool __atomic64_cmpxchg_bool(long *ptr, long old, long new)
{
long old_expected = old;
--
GitLab
From c9c260681f521e4ad9f9f4cc71fe35b978e06222 Mon Sep 17 00:00:00 2001
From: Ilya Leoshkevich <iii@linux.ibm.com>
Date: Wed, 20 Mar 2024 23:47:49 +0100
Subject: [PATCH 2029/2686] s390/preempt: mark all functions __always_inline
preempt_count-related functions are quite ubiquitous and may be called
by noinstr ones, introducing unwanted instrumentation. Here is one
example call chain:
irqentry_nmi_enter() # noinstr
lockdep_hardirqs_enabled()
this_cpu_read()
__pcpu_size_call_return()
this_cpu_read_*()
this_cpu_generic_read()
__this_cpu_generic_read_nopreempt()
preempt_disable_notrace()
__preempt_count_inc()
__preempt_count_add()
They are very small, so there are no significant downsides to
force-inlining them.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20240320230007.4782-3-iii@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
---
arch/s390/include/asm/preempt.h | 36 ++++++++++++++++-----------------
1 file changed, 18 insertions(+), 18 deletions(-)
diff --git a/arch/s390/include/asm/preempt.h b/arch/s390/include/asm/preempt.h
index bf15da0fedbca..0e3da500e98c1 100644
--- a/arch/s390/include/asm/preempt.h
+++ b/arch/s390/include/asm/preempt.h
@@ -12,12 +12,12 @@
#define PREEMPT_NEED_RESCHED 0x80000000
#define PREEMPT_ENABLED (0 + PREEMPT_NEED_RESCHED)
-static inline int preempt_count(void)
+static __always_inline int preempt_count(void)
{
return READ_ONCE(S390_lowcore.preempt_count) & ~PREEMPT_NEED_RESCHED;
}
-static inline void preempt_count_set(int pc)
+static __always_inline void preempt_count_set(int pc)
{
int old, new;
@@ -29,22 +29,22 @@ static inline void preempt_count_set(int pc)
old, new) != old);
}
-static inline void set_preempt_need_resched(void)
+static __always_inline void set_preempt_need_resched(void)
{
__atomic_and(~PREEMPT_NEED_RESCHED, &S390_lowcore.preempt_count);
}
-static inline void clear_preempt_need_resched(void)
+static __always_inline void clear_preempt_need_resched(void)
{
__atomic_or(PREEMPT_NEED_RESCHED, &S390_lowcore.preempt_count);
}
-static inline bool test_preempt_need_resched(void)
+static __always_inline bool test_preempt_need_resched(void)
{
return !(READ_ONCE(S390_lowcore.preempt_count) & PREEMPT_NEED_RESCHED);
}
-static inline void __preempt_count_add(int val)
+static __always_inline void __preempt_count_add(int val)
{
/*
* With some obscure config options and CONFIG_PROFILE_ALL_BRANCHES
@@ -59,17 +59,17 @@ static inline void __preempt_count_add(int val)
__atomic_add(val, &S390_lowcore.preempt_count);
}
-static inline void __preempt_count_sub(int val)
+static __always_inline void __preempt_count_sub(int val)
{
__preempt_count_add(-val);
}
-static inline bool __preempt_count_dec_and_test(void)
+static __always_inline bool __preempt_count_dec_and_test(void)
{
return __atomic_add(-1, &S390_lowcore.preempt_count) == 1;
}
-static inline bool should_resched(int preempt_offset)
+static __always_inline bool should_resched(int preempt_offset)
{
return unlikely(READ_ONCE(S390_lowcore.preempt_count) ==
preempt_offset);
@@ -79,45 +79,45 @@ static inline bool should_resched(int preempt_offset)
#define PREEMPT_ENABLED (0)
-static inline int preempt_count(void)
+static __always_inline int preempt_count(void)
{
return READ_ONCE(S390_lowcore.preempt_count);
}
-static inline void preempt_count_set(int pc)
+static __always_inline void preempt_count_set(int pc)
{
S390_lowcore.preempt_count = pc;
}
-static inline void set_preempt_need_resched(void)
+static __always_inline void set_preempt_need_resched(void)
{
}
-static inline void clear_preempt_need_resched(void)
+static __always_inline void clear_preempt_need_resched(void)
{
}
-static inline bool test_preempt_need_resched(void)
+static __always_inline bool test_preempt_need_resched(void)
{
return false;
}
-static inline void __preempt_count_add(int val)
+static __always_inline void __preempt_count_add(int val)
{
S390_lowcore.preempt_count += val;
}
-static inline void __preempt_count_sub(int val)
+static __always_inline void __preempt_count_sub(int val)
{
S390_lowcore.preempt_count -= val;
}
-static inline bool __preempt_count_dec_and_test(void)
+static __always_inline bool __preempt_count_dec_and_test(void)
{
return !--S390_lowcore.preempt_count && tif_need_resched();
}
-static inline bool should_resched(int preempt_offset)
+static __always_inline bool should_resched(int preempt_offset)
{
return unlikely(preempt_count() == preempt_offset &&
tif_need_resched());
--
GitLab
From e9f3af02f63909f41b43c28330434cc437639c5c Mon Sep 17 00:00:00 2001
From: Thomas Richter <tmricht@linux.ibm.com>
Date: Thu, 29 Feb 2024 15:00:28 +0100
Subject: [PATCH 2030/2686] s390/pai: fix sampling event removal for PMU device
driver
In case of a sampling event, the PAI PMU device drivers need a
reference to this event. Currently to PMU device driver reference
is removed when a sampling event is destroyed. This may lead to
situations where the reference of the PMU device driver is removed
while being used by a different sampling event.
Reset the event reference pointer of the PMU device driver when
a sampling event is deleted and before the next one might be added.
Fixes: 39d62336f5c1 ("s390/pai: add support for cryptography counters")
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
---
arch/s390/kernel/perf_pai_crypto.c | 10 +++++++---
arch/s390/kernel/perf_pai_ext.c | 10 +++++++---
2 files changed, 14 insertions(+), 6 deletions(-)
diff --git a/arch/s390/kernel/perf_pai_crypto.c b/arch/s390/kernel/perf_pai_crypto.c
index 823d652e3917f..4ad472d130a3c 100644
--- a/arch/s390/kernel/perf_pai_crypto.c
+++ b/arch/s390/kernel/perf_pai_crypto.c
@@ -90,7 +90,6 @@ static void paicrypt_event_destroy(struct perf_event *event)
event->cpu);
struct paicrypt_map *cpump = mp->mapptr;
- cpump->event = NULL;
static_branch_dec(&pai_key);
mutex_lock(&pai_reserve_mutex);
debug_sprintf_event(cfm_dbg, 5, "%s event %#llx cpu %d users %d"
@@ -356,10 +355,15 @@ static int paicrypt_add(struct perf_event *event, int flags)
static void paicrypt_stop(struct perf_event *event, int flags)
{
- if (!event->attr.sample_period) /* Counting */
+ struct paicrypt_mapptr *mp = this_cpu_ptr(paicrypt_root.mapptr);
+ struct paicrypt_map *cpump = mp->mapptr;
+
+ if (!event->attr.sample_period) { /* Counting */
paicrypt_read(event);
- else /* Sampling */
+ } else { /* Sampling */
perf_sched_cb_dec(event->pmu);
+ cpump->event = NULL;
+ }
event->hw.state = PERF_HES_STOPPED;
}
diff --git a/arch/s390/kernel/perf_pai_ext.c b/arch/s390/kernel/perf_pai_ext.c
index 616a25606cd63..a6da7e0cc7a66 100644
--- a/arch/s390/kernel/perf_pai_ext.c
+++ b/arch/s390/kernel/perf_pai_ext.c
@@ -122,7 +122,6 @@ static void paiext_event_destroy(struct perf_event *event)
free_page(PAI_SAVE_AREA(event));
mutex_lock(&paiext_reserve_mutex);
- cpump->event = NULL;
if (refcount_dec_and_test(&cpump->refcnt)) /* Last reference gone */
paiext_free(mp);
paiext_root_free();
@@ -362,10 +361,15 @@ static int paiext_add(struct perf_event *event, int flags)
static void paiext_stop(struct perf_event *event, int flags)
{
- if (!event->attr.sample_period) /* Counting */
+ struct paiext_mapptr *mp = this_cpu_ptr(paiext_root.mapptr);
+ struct paiext_map *cpump = mp->mapptr;
+
+ if (!event->attr.sample_period) { /* Counting */
paiext_read(event);
- else /* Sampling */
+ } else { /* Sampling */
perf_sched_cb_dec(event->pmu);
+ cpump->event = NULL;
+ }
event->hw.state = PERF_HES_STOPPED;
}
--
GitLab
From 378ca2d2ad410a1cd5690d06b46c5e2297f4c8c0 Mon Sep 17 00:00:00 2001
From: Sumanth Korikkar <sumanthk@linux.ibm.com>
Date: Tue, 26 Mar 2024 18:12:13 +0100
Subject: [PATCH 2031/2686] s390/entry: align system call table on 8 bytes
Align system call table on 8 bytes. With sys_call_table entry size
of 8 bytes that eliminates the possibility of a system call pointer
crossing cache line boundary.
Cc: stable@kernel.org
Suggested-by: Ulrich Weigand <ulrich.weigand@de.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
---
arch/s390/kernel/entry.S | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 787394978bc0f..3dc85638bc63b 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -635,6 +635,7 @@ SYM_DATA_START_LOCAL(daton_psw)
SYM_DATA_END(daton_psw)
.section .rodata, "a"
+ .balign 8
#define SYSCALL(esame,emu) .quad __s390x_ ## esame
SYM_DATA_START(sys_call_table)
#include "asm/syscall_table.h"
--
GitLab
From 438d3fc46f0deba24da7ded046c818e7bf434d24 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Sat, 24 Feb 2024 10:12:34 +0100
Subject: [PATCH 2032/2686] dt-bindings: clock: keystone: remove unstable
remark
Keystone clock controller bindings were marked as work-in-progress /
unstable in 2013 in commit b9e0d40c0d83 ("clk: keystone: add Keystone
PLL clock driver") and commit 7affe5685c96 ("clk: keystone: Add gate
control clock driver") Almost eleven years is enough, so drop the
"unstable" remark and expect usual ABI rules.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240224091236.10146-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
Documentation/devicetree/bindings/clock/keystone-gate.txt | 2 --
Documentation/devicetree/bindings/clock/keystone-pll.txt | 2 --
2 files changed, 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/clock/keystone-gate.txt b/Documentation/devicetree/bindings/clock/keystone-gate.txt
index c5aa187026e3a..43f6fb6c93927 100644
--- a/Documentation/devicetree/bindings/clock/keystone-gate.txt
+++ b/Documentation/devicetree/bindings/clock/keystone-gate.txt
@@ -1,5 +1,3 @@
-Status: Unstable - ABI compatibility may be broken in the future
-
Binding for Keystone gate control driver which uses PSC controller IP.
This binding uses the common clock binding[1].
diff --git a/Documentation/devicetree/bindings/clock/keystone-pll.txt b/Documentation/devicetree/bindings/clock/keystone-pll.txt
index 9a3fbc6656065..69b0eb7c03c9e 100644
--- a/Documentation/devicetree/bindings/clock/keystone-pll.txt
+++ b/Documentation/devicetree/bindings/clock/keystone-pll.txt
@@ -1,5 +1,3 @@
-Status: Unstable - ABI compatibility may be broken in the future
-
Binding for keystone PLLs. The main PLL IP typically has a multiplier,
a divider and a post divider. The additional PLL IPs like ARMPLL, DDRPLL
and PAPLL are controlled by the memory mapped register where as the Main
--
GitLab
From 63fd4d7dc45db58a348624fd46ed74509c458054 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Sat, 24 Feb 2024 10:12:35 +0100
Subject: [PATCH 2033/2686] dt-bindings: clock: ti: remove unstable remark
Several TI SoC clock bindings were marked as work-in-progress / unstable
between 2013-2016, for example in commit f60b1ea5ea7a ("CLK: TI: add
support for gate clock"). It was enough of time to consider them stable
and expect usual ABI rules.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20240224091236.10146-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
Documentation/devicetree/bindings/clock/ti/adpll.txt | 2 --
Documentation/devicetree/bindings/clock/ti/apll.txt | 2 --
Documentation/devicetree/bindings/clock/ti/autoidle.txt | 2 --
Documentation/devicetree/bindings/clock/ti/clockdomain.txt | 2 --
Documentation/devicetree/bindings/clock/ti/composite.txt | 2 --
Documentation/devicetree/bindings/clock/ti/divider.txt | 2 --
Documentation/devicetree/bindings/clock/ti/dpll.txt | 2 --
Documentation/devicetree/bindings/clock/ti/fapll.txt | 2 --
.../devicetree/bindings/clock/ti/fixed-factor-clock.txt | 2 --
Documentation/devicetree/bindings/clock/ti/gate.txt | 2 --
Documentation/devicetree/bindings/clock/ti/interface.txt | 2 --
Documentation/devicetree/bindings/clock/ti/mux.txt | 2 --
12 files changed, 24 deletions(-)
diff --git a/Documentation/devicetree/bindings/clock/ti/adpll.txt b/Documentation/devicetree/bindings/clock/ti/adpll.txt
index 4c8a2ce2cd701..3122360adcf3c 100644
--- a/Documentation/devicetree/bindings/clock/ti/adpll.txt
+++ b/Documentation/devicetree/bindings/clock/ti/adpll.txt
@@ -1,7 +1,5 @@
Binding for Texas Instruments ADPLL clock.
-Binding status: Unstable - ABI compatibility may be broken in the future
-
This binding uses the common clock binding[1]. It assumes a
register-mapped ADPLL with two to three selectable input clocks
and three to four children.
diff --git a/Documentation/devicetree/bindings/clock/ti/apll.txt b/Documentation/devicetree/bindings/clock/ti/apll.txt
index ade4dd4c30f0e..bbd505c1199df 100644
--- a/Documentation/devicetree/bindings/clock/ti/apll.txt
+++ b/Documentation/devicetree/bindings/clock/ti/apll.txt
@@ -1,7 +1,5 @@
Binding for Texas Instruments APLL clock.
-Binding status: Unstable - ABI compatibility may be broken in the future
-
This binding uses the common clock binding[1]. It assumes a
register-mapped APLL with usually two selectable input clocks
(reference clock and bypass clock), with analog phase locked
diff --git a/Documentation/devicetree/bindings/clock/ti/autoidle.txt b/Documentation/devicetree/bindings/clock/ti/autoidle.txt
index 7c735dde9fe97..05645a10a9e33 100644
--- a/Documentation/devicetree/bindings/clock/ti/autoidle.txt
+++ b/Documentation/devicetree/bindings/clock/ti/autoidle.txt
@@ -1,7 +1,5 @@
Binding for Texas Instruments autoidle clock.
-Binding status: Unstable - ABI compatibility may be broken in the future
-
This binding uses the common clock binding[1]. It assumes a register mapped
clock which can be put to idle automatically by hardware based on the usage
and a configuration bit setting. Autoidle clock is never an individual
diff --git a/Documentation/devicetree/bindings/clock/ti/clockdomain.txt b/Documentation/devicetree/bindings/clock/ti/clockdomain.txt
index 9c6199249ce59..edf0b5d427682 100644
--- a/Documentation/devicetree/bindings/clock/ti/clockdomain.txt
+++ b/Documentation/devicetree/bindings/clock/ti/clockdomain.txt
@@ -1,7 +1,5 @@
Binding for Texas Instruments clockdomain.
-Binding status: Unstable - ABI compatibility may be broken in the future
-
This binding uses the common clock binding[1] in consumer role.
Every clock on TI SoC belongs to one clockdomain, but software
only needs this information for specific clocks which require
diff --git a/Documentation/devicetree/bindings/clock/ti/composite.txt b/Documentation/devicetree/bindings/clock/ti/composite.txt
index 33ac7c9ad053c..6f7e1331b5466 100644
--- a/Documentation/devicetree/bindings/clock/ti/composite.txt
+++ b/Documentation/devicetree/bindings/clock/ti/composite.txt
@@ -1,7 +1,5 @@
Binding for TI composite clock.
-Binding status: Unstable - ABI compatibility may be broken in the future
-
This binding uses the common clock binding[1]. It assumes a
register-mapped composite clock with multiple different sub-types;
diff --git a/Documentation/devicetree/bindings/clock/ti/divider.txt b/Documentation/devicetree/bindings/clock/ti/divider.txt
index 9b13b32974f99..4d7c76f0b3569 100644
--- a/Documentation/devicetree/bindings/clock/ti/divider.txt
+++ b/Documentation/devicetree/bindings/clock/ti/divider.txt
@@ -1,7 +1,5 @@
Binding for TI divider clock
-Binding status: Unstable - ABI compatibility may be broken in the future
-
This binding uses the common clock binding[1]. It assumes a
register-mapped adjustable clock rate divider that does not gate and has
only one input clock or parent. By default the value programmed into
diff --git a/Documentation/devicetree/bindings/clock/ti/dpll.txt b/Documentation/devicetree/bindings/clock/ti/dpll.txt
index 37a7cb6ad07d8..14a1b72c2e712 100644
--- a/Documentation/devicetree/bindings/clock/ti/dpll.txt
+++ b/Documentation/devicetree/bindings/clock/ti/dpll.txt
@@ -1,7 +1,5 @@
Binding for Texas Instruments DPLL clock.
-Binding status: Unstable - ABI compatibility may be broken in the future
-
This binding uses the common clock binding[1]. It assumes a
register-mapped DPLL with usually two selectable input clocks
(reference clock and bypass clock), with digital phase locked
diff --git a/Documentation/devicetree/bindings/clock/ti/fapll.txt b/Documentation/devicetree/bindings/clock/ti/fapll.txt
index c19b3f253b8cf..88986ef39ddd2 100644
--- a/Documentation/devicetree/bindings/clock/ti/fapll.txt
+++ b/Documentation/devicetree/bindings/clock/ti/fapll.txt
@@ -1,7 +1,5 @@
Binding for Texas Instruments FAPLL clock.
-Binding status: Unstable - ABI compatibility may be broken in the future
-
This binding uses the common clock binding[1]. It assumes a
register-mapped FAPLL with usually two selectable input clocks
(reference clock and bypass clock), and one or more child
diff --git a/Documentation/devicetree/bindings/clock/ti/fixed-factor-clock.txt b/Documentation/devicetree/bindings/clock/ti/fixed-factor-clock.txt
index 518e3c1422762..dc69477b6e98e 100644
--- a/Documentation/devicetree/bindings/clock/ti/fixed-factor-clock.txt
+++ b/Documentation/devicetree/bindings/clock/ti/fixed-factor-clock.txt
@@ -1,7 +1,5 @@
Binding for TI fixed factor rate clock sources.
-Binding status: Unstable - ABI compatibility may be broken in the future
-
This binding uses the common clock binding[1], and also uses the autoidle
support from TI autoidle clock [2].
diff --git a/Documentation/devicetree/bindings/clock/ti/gate.txt b/Documentation/devicetree/bindings/clock/ti/gate.txt
index 4982615c01b9c..a8e0335b006a0 100644
--- a/Documentation/devicetree/bindings/clock/ti/gate.txt
+++ b/Documentation/devicetree/bindings/clock/ti/gate.txt
@@ -1,7 +1,5 @@
Binding for Texas Instruments gate clock.
-Binding status: Unstable - ABI compatibility may be broken in the future
-
This binding uses the common clock binding[1]. This clock is
quite much similar to the basic gate-clock [2], however,
it supports a number of additional features. If no register
diff --git a/Documentation/devicetree/bindings/clock/ti/interface.txt b/Documentation/devicetree/bindings/clock/ti/interface.txt
index d3eb5ca92a7fe..85fb1f2d2d286 100644
--- a/Documentation/devicetree/bindings/clock/ti/interface.txt
+++ b/Documentation/devicetree/bindings/clock/ti/interface.txt
@@ -1,7 +1,5 @@
Binding for Texas Instruments interface clock.
-Binding status: Unstable - ABI compatibility may be broken in the future
-
This binding uses the common clock binding[1]. This clock is
quite much similar to the basic gate-clock [2], however,
it supports a number of additional features, including
diff --git a/Documentation/devicetree/bindings/clock/ti/mux.txt b/Documentation/devicetree/bindings/clock/ti/mux.txt
index b33f641f10432..cd56d3c1c09f3 100644
--- a/Documentation/devicetree/bindings/clock/ti/mux.txt
+++ b/Documentation/devicetree/bindings/clock/ti/mux.txt
@@ -1,7 +1,5 @@
Binding for TI mux clock.
-Binding status: Unstable - ABI compatibility may be broken in the future
-
This binding uses the common clock binding[1]. It assumes a
register-mapped multiplexer with multiple input clock signals or
parents, one of which can be selected as output. This clock does not
--
GitLab
From 9117a64403e66b295a875e172954b758477e5f57 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Sat, 24 Feb 2024 10:12:36 +0100
Subject: [PATCH 2034/2686] dt-bindings: remoteproc: ti,davinci: remove
unstable remark
TI Davinci remoteproc bindings were marked as work-in-progress /
unstable in 2017 in commit ae67b8007816 ("dt-bindings: remoteproc: Add
bindings for Davinci DSP processors"). Almost seven years is enough, so
drop the "unstable" remark and expect usual ABI rules.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240224091236.10146-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
.../devicetree/bindings/remoteproc/ti,davinci-rproc.txt | 3 ---
1 file changed, 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt b/Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt
index 25f8658e216ff..48a49c516b62c 100644
--- a/Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt
+++ b/Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt
@@ -1,9 +1,6 @@
TI Davinci DSP devices
=======================
-Binding status: Unstable - Subject to changes for DT representation of clocks
- and resets
-
The TI Davinci family of SoCs usually contains a TI DSP Core sub-system that
is used to offload some of the processor-intensive tasks or algorithms, for
achieving various system level goals.
--
GitLab
From 6fad9df49b40fdb7d8458167ebbde46a8681f729 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Mon, 25 Mar 2024 11:48:32 +0100
Subject: [PATCH 2035/2686] dt-bindings: soc: fsl: narrow regex for unit
address to hex numbers
Regular expression used to match the unit address part should not allow
non-hex numbers.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240325104833.33372-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
.../devicetree/bindings/soc/fsl/fsl,layerscape-dcfg.yaml | 2 +-
.../devicetree/bindings/soc/fsl/fsl,layerscape-scfg.yaml | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/soc/fsl/fsl,layerscape-dcfg.yaml b/Documentation/devicetree/bindings/soc/fsl/fsl,layerscape-dcfg.yaml
index 397f75909b205..ce1a6505eb514 100644
--- a/Documentation/devicetree/bindings/soc/fsl/fsl,layerscape-dcfg.yaml
+++ b/Documentation/devicetree/bindings/soc/fsl/fsl,layerscape-dcfg.yaml
@@ -51,7 +51,7 @@ properties:
ranges: true
patternProperties:
- "^clock-controller@[0-9a-z]+$":
+ "^clock-controller@[0-9a-f]+$":
$ref: /schemas/clock/fsl,flexspi-clock.yaml#
required:
diff --git a/Documentation/devicetree/bindings/soc/fsl/fsl,layerscape-scfg.yaml b/Documentation/devicetree/bindings/soc/fsl/fsl,layerscape-scfg.yaml
index 8d088b5fe8236..a6a511b00a128 100644
--- a/Documentation/devicetree/bindings/soc/fsl/fsl,layerscape-scfg.yaml
+++ b/Documentation/devicetree/bindings/soc/fsl/fsl,layerscape-scfg.yaml
@@ -41,7 +41,7 @@ properties:
ranges: true
patternProperties:
- "^interrupt-controller@[a-z0-9]+$":
+ "^interrupt-controller@[a-f0-9]+$":
$ref: /schemas/interrupt-controller/fsl,ls-extirq.yaml#
required:
--
GitLab
From 500b42091c1dd878b7a8a59ef89aba85e0054b7b Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Mon, 25 Mar 2024 11:48:33 +0100
Subject: [PATCH 2036/2686] dt-bindings: timer: narrow regex for unit address
to hex numbers
Regular expression used to match the unit address part should not allow
non-hex numbers. Expect at least one hex digit as well.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240325104833.33372-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
.../devicetree/bindings/timer/arm,arch_timer_mmio.yaml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/timer/arm,arch_timer_mmio.yaml b/Documentation/devicetree/bindings/timer/arm,arch_timer_mmio.yaml
index 7a4a6ab85970d..ab8f28993139e 100644
--- a/Documentation/devicetree/bindings/timer/arm,arch_timer_mmio.yaml
+++ b/Documentation/devicetree/bindings/timer/arm,arch_timer_mmio.yaml
@@ -60,7 +60,7 @@ properties:
be implemented in an always-on power domain."
patternProperties:
- '^frame@[0-9a-z]*$':
+ '^frame@[0-9a-f]+$':
type: object
additionalProperties: false
description: A timer node has up to 8 frame sub-nodes, each with the following properties.
--
GitLab
From 0200ceed3042222a1f78b3e79ec71a5a52977e3a Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.i.king@gmail.com>
Date: Thu, 29 Feb 2024 22:51:38 +0000
Subject: [PATCH 2037/2686] vboxsf: remove redundant variable out_len
The variable out_len is being used to accumulate the number of
bytes but it is not being used for any other purpose. The variable
is redundant and can be removed.
Cleans up clang scan build warning:
fs/vboxsf/utils.c:443:9: warning: variable 'out_len' set but not
used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240229225138.351909-1-colin.i.king@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
fs/vboxsf/utils.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/fs/vboxsf/utils.c b/fs/vboxsf/utils.c
index 72ac9320e6a35..9515bbf0b54ce 100644
--- a/fs/vboxsf/utils.c
+++ b/fs/vboxsf/utils.c
@@ -440,7 +440,6 @@ int vboxsf_nlscpy(struct vboxsf_sbi *sbi, char *name, size_t name_bound_len,
{
const char *in;
char *out;
- size_t out_len;
size_t out_bound_len;
size_t in_bound_len;
@@ -448,7 +447,6 @@ int vboxsf_nlscpy(struct vboxsf_sbi *sbi, char *name, size_t name_bound_len,
in_bound_len = utf8_len;
out = name;
- out_len = 0;
/* Reserve space for terminating 0 */
out_bound_len = name_bound_len - 1;
@@ -469,7 +467,6 @@ int vboxsf_nlscpy(struct vboxsf_sbi *sbi, char *name, size_t name_bound_len,
out += nb;
out_bound_len -= nb;
- out_len += nb;
}
*out = 0;
--
GitLab
From b017a0cea627fcbe158fc2c214fe893e18c4d0c4 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@kernel.org>
Date: Mon, 25 Mar 2024 16:35:21 +0000
Subject: [PATCH 2038/2686] arm64/ptrace: Use saved floating point state type
to determine SVE layout
The SVE register sets have two different formats, one of which is a wrapped
version of the standard FPSIMD register set and another with actual SVE
register data. At present we check TIF_SVE to see if full SVE register
state should be provided when reading the SVE regset but if we were in a
syscall we may have saved only floating point registers even though that is
set.
Fix this and simplify the logic by checking and using the format which we
recorded when deciding if we should use FPSIMD or SVE format.
Fixes: 8c845e273104 ("arm64/sve: Leave SVE enabled on syscall if we don't context switch")
Cc: <stable@vger.kernel.org> # 6.2.x
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240325-arm64-ptrace-fp-type-v1-1-8dc846caf11f@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
arch/arm64/kernel/ptrace.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 162b030ab9da3..0d022599eb61b 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -761,7 +761,6 @@ static void sve_init_header_from_task(struct user_sve_header *header,
{
unsigned int vq;
bool active;
- bool fpsimd_only;
enum vec_type task_type;
memset(header, 0, sizeof(*header));
@@ -777,12 +776,10 @@ static void sve_init_header_from_task(struct user_sve_header *header,
case ARM64_VEC_SVE:
if (test_tsk_thread_flag(target, TIF_SVE_VL_INHERIT))
header->flags |= SVE_PT_VL_INHERIT;
- fpsimd_only = !test_tsk_thread_flag(target, TIF_SVE);
break;
case ARM64_VEC_SME:
if (test_tsk_thread_flag(target, TIF_SME_VL_INHERIT))
header->flags |= SVE_PT_VL_INHERIT;
- fpsimd_only = false;
break;
default:
WARN_ON_ONCE(1);
@@ -790,7 +787,7 @@ static void sve_init_header_from_task(struct user_sve_header *header,
}
if (active) {
- if (fpsimd_only) {
+ if (target->thread.fp_type == FP_STATE_FPSIMD) {
header->flags |= SVE_PT_REGS_FPSIMD;
} else {
header->flags |= SVE_PT_REGS_SVE;
--
GitLab
From de3f64b738af57e2732b91a0774facc675b75b54 Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Wed, 1 Nov 2023 11:49:48 +0100
Subject: [PATCH 2039/2686] vboxsf: Avoid an spurious warning if load_nls_xxx()
fails
If an load_nls_xxx() function fails a few lines above, the 'sbi->bdi_id' is
still 0.
So, in the error handling path, we will call ida_simple_remove(..., 0)
which is not allocated yet.
In order to prevent a spurious "ida_free called for id=0 which is not
allocated." message, tweak the error handling path and add a new label.
Fixes: 0fd169576648 ("fs: Add VirtualBox guest shared folder (vboxsf) support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/d09eaaa4e2e08206c58a1a27ca9b3e81dc168773.1698835730.git.christophe.jaillet@wanadoo.fr
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
fs/vboxsf/super.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/vboxsf/super.c b/fs/vboxsf/super.c
index cabe8ac4fefc5..1ed6b1a76bf92 100644
--- a/fs/vboxsf/super.c
+++ b/fs/vboxsf/super.c
@@ -151,7 +151,7 @@ static int vboxsf_fill_super(struct super_block *sb, struct fs_context *fc)
if (!sbi->nls) {
vbg_err("vboxsf: Count not load '%s' nls\n", nls_name);
err = -EINVAL;
- goto fail_free;
+ goto fail_destroy_idr;
}
}
@@ -224,6 +224,7 @@ static int vboxsf_fill_super(struct super_block *sb, struct fs_context *fc)
ida_simple_remove(&vboxsf_bdi_ida, sbi->bdi_id);
if (sbi->nls)
unload_nls(sbi->nls);
+fail_destroy_idr:
idr_destroy(&sbi->ino_idr);
kfree(sbi);
return err;
--
GitLab
From 0141d68f86d78953fb4c3983d666e92f7df4a43d Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Wed, 1 Nov 2023 11:49:49 +0100
Subject: [PATCH 2040/2686] vboxsf: Remove usage of the deprecated
ida_simple_xx() API
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
This is less verbose.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/b3c057c86b73f0309a6362031d21f4d7ebb60587.1698835730.git.christophe.jaillet@wanadoo.fr
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
fs/vboxsf/super.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/vboxsf/super.c b/fs/vboxsf/super.c
index 1ed6b1a76bf92..ffb1d565da398 100644
--- a/fs/vboxsf/super.c
+++ b/fs/vboxsf/super.c
@@ -155,7 +155,7 @@ static int vboxsf_fill_super(struct super_block *sb, struct fs_context *fc)
}
}
- sbi->bdi_id = ida_simple_get(&vboxsf_bdi_ida, 0, 0, GFP_KERNEL);
+ sbi->bdi_id = ida_alloc(&vboxsf_bdi_ida, GFP_KERNEL);
if (sbi->bdi_id < 0) {
err = sbi->bdi_id;
goto fail_free;
@@ -221,7 +221,7 @@ static int vboxsf_fill_super(struct super_block *sb, struct fs_context *fc)
vboxsf_unmap_folder(sbi->root);
fail_free:
if (sbi->bdi_id >= 0)
- ida_simple_remove(&vboxsf_bdi_ida, sbi->bdi_id);
+ ida_free(&vboxsf_bdi_ida, sbi->bdi_id);
if (sbi->nls)
unload_nls(sbi->nls);
fail_destroy_idr:
@@ -269,7 +269,7 @@ static void vboxsf_put_super(struct super_block *sb)
vboxsf_unmap_folder(sbi->root);
if (sbi->bdi_id >= 0)
- ida_simple_remove(&vboxsf_bdi_ida, sbi->bdi_id);
+ ida_free(&vboxsf_bdi_ida, sbi->bdi_id);
if (sbi->nls)
unload_nls(sbi->nls);
--
GitLab
From 1ece2c43b88660ddbdf8ecb772e9c41ed9cda3dd Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@kernel.org>
Date: Tue, 19 Mar 2024 12:32:04 -0400
Subject: [PATCH 2041/2686] vboxsf: explicitly deny setlease attempts
vboxsf does not break leases on its own, so it can't properly handle the
case where the hypervisor changes the data. Don't allow file leases on
vboxsf.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20240319-setlease-v1-1-5997d67e04b3@kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
fs/vboxsf/file.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/vboxsf/file.c b/fs/vboxsf/file.c
index 2307f8037efc3..118dedef8ebe8 100644
--- a/fs/vboxsf/file.c
+++ b/fs/vboxsf/file.c
@@ -218,6 +218,7 @@ const struct file_operations vboxsf_reg_fops = {
.release = vboxsf_file_release,
.fsync = noop_fsync,
.splice_read = filemap_splice_read,
+ .setlease = simple_nosetlease,
};
const struct inode_operations vboxsf_reg_iops = {
--
GitLab
From 1057c4c36ef8b236a2e28edef301da0801338c5f Mon Sep 17 00:00:00 2001
From: Nikita Travkin <nikita@trvn.ru>
Date: Wed, 3 Apr 2024 16:31:40 +0500
Subject: [PATCH 2042/2686] thermal: gov_power_allocator: Allow binding without
cooling devices
IPA was recently refactored to split out memory allocation into a
separate funciton. That funciton was made to return -EINVAL if there is
zero power_actors and thus no memory to allocate. This causes IPA to
fail probing when the thermal zone has no attached cooling devices.
Since cooling devices can attach after the thermal zone is created and
the governer is attached to it, failing probe due to the lack of cooling
devices is incorrect.
Change the allocate_actors_buffer() to return success when there is no
cooling devices present.
Fixes: 912e97c67cc3 ("thermal: gov_power_allocator: Move memory allocation out of throttle()")
Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/thermal/gov_power_allocator.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c
index 1b17dc4c219cc..ec637071ef1fa 100644
--- a/drivers/thermal/gov_power_allocator.c
+++ b/drivers/thermal/gov_power_allocator.c
@@ -606,7 +606,7 @@ static int allocate_actors_buffer(struct power_allocator_params *params,
/* There might be no cooling devices yet. */
if (!num_actors) {
- ret = -EINVAL;
+ ret = 0;
goto clean_state;
}
--
GitLab
From da781936e7c301e6197eb6513775748e79fb2575 Mon Sep 17 00:00:00 2001
From: Nikita Travkin <nikita@trvn.ru>
Date: Wed, 3 Apr 2024 16:31:41 +0500
Subject: [PATCH 2043/2686] thermal: gov_power_allocator: Allow binding without
trip points
IPA probe function was recently refactored to perform extra error checks
and make sure the thermal zone has trip points necessary for the IPA
operation. With this change, if a thermal zone is probed such that it
has no trip points that IPA can use, IPA will fail and the TZ won't be
created. This is the case if a platform defines a TZ without cooling
devices and only with "hot"/"critical" trip points, often found on some
Qualcomm devices [1].
Documentation across IPA code (notably get_governor_trips() kerneldoc)
suggests that IPA is supposed to handle such TZ even if it won't
actually do anything.
This commit partially reverts the previous change to allow IPA to bind
to such "empty" thermal zones.
Fixes: e83747c2f8e3 ("thermal: gov_power_allocator: Set up trip points earlier")
Link: arch/arm64/boot/dts/qcom/sc7180.dtsi#n4776 # [1]
Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/thermal/gov_power_allocator.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c
index ec637071ef1fa..e25e48d76aa79 100644
--- a/drivers/thermal/gov_power_allocator.c
+++ b/drivers/thermal/gov_power_allocator.c
@@ -679,11 +679,6 @@ static int power_allocator_bind(struct thermal_zone_device *tz)
return -ENOMEM;
get_governor_trips(tz, params);
- if (!params->trip_max) {
- dev_warn(&tz->device, "power_allocator: missing trip_max\n");
- kfree(params);
- return -EINVAL;
- }
ret = check_power_actors(tz, params);
if (ret < 0) {
@@ -714,9 +709,10 @@ static int power_allocator_bind(struct thermal_zone_device *tz)
else
params->sustainable_power = tz->tzp->sustainable_power;
- estimate_pid_constants(tz, tz->tzp->sustainable_power,
- params->trip_switch_on,
- params->trip_max->temperature);
+ if (params->trip_max)
+ estimate_pid_constants(tz, tz->tzp->sustainable_power,
+ params->trip_switch_on,
+ params->trip_max->temperature);
reset_pid_controller(params);
--
GitLab
From 90ca6956d3834db4060f87700e2fcbb699c4e4fd Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Thu, 21 Mar 2024 17:42:12 +0300
Subject: [PATCH 2044/2686] ice: Fix freeing uninitialized pointers
Automatically cleaned up pointers need to be initialized before exiting
their scope. In this case, they need to be initialized to NULL before
any return statement.
Fixes: 90f821d72e11 ("ice: avoid unnecessary devm_ usage")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
drivers/net/ethernet/intel/ice/ice_common.c | 10 +++++-----
drivers/net/ethernet/intel/ice/ice_ethtool.c | 2 +-
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index db4b2844e1f71..d9f6cc71d900a 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -1002,8 +1002,8 @@ static void ice_get_itr_intrl_gran(struct ice_hw *hw)
*/
int ice_init_hw(struct ice_hw *hw)
{
- struct ice_aqc_get_phy_caps_data *pcaps __free(kfree);
- void *mac_buf __free(kfree);
+ struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
+ void *mac_buf __free(kfree) = NULL;
u16 mac_buf_len;
int status;
@@ -3272,7 +3272,7 @@ int ice_update_link_info(struct ice_port_info *pi)
return status;
if (li->link_info & ICE_AQ_MEDIA_AVAILABLE) {
- struct ice_aqc_get_phy_caps_data *pcaps __free(kfree);
+ struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
if (!pcaps)
@@ -3420,7 +3420,7 @@ ice_cfg_phy_fc(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
int
ice_set_fc(struct ice_port_info *pi, u8 *aq_failures, bool ena_auto_link_update)
{
- struct ice_aqc_get_phy_caps_data *pcaps __free(kfree);
+ struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
struct ice_aqc_set_phy_cfg_data cfg = { 0 };
struct ice_hw *hw;
int status;
@@ -3561,7 +3561,7 @@ int
ice_cfg_phy_fec(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
enum ice_fec_mode fec)
{
- struct ice_aqc_get_phy_caps_data *pcaps __free(kfree);
+ struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
struct ice_hw *hw;
int status;
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index 255a9c8151b45..78b833b3e1d7e 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -941,11 +941,11 @@ static u64 ice_loopback_test(struct net_device *netdev)
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
struct ice_pf *pf = orig_vsi->back;
+ u8 *tx_frame __free(kfree) = NULL;
u8 broadcast[ETH_ALEN], ret = 0;
int num_frames, valid_frames;
struct ice_tx_ring *tx_ring;
struct ice_rx_ring *rx_ring;
- u8 *tx_frame __free(kfree);
int i;
netdev_info(netdev, "loopback test\n");
--
GitLab
From 8edfc7a40e3300fc6c5fa7a3228a24d5bcd86ba5 Mon Sep 17 00:00:00 2001
From: Petr Oros <poros@redhat.com>
Date: Mon, 25 Mar 2024 21:19:01 +0100
Subject: [PATCH 2045/2686] ice: fix enabling RX VLAN filtering
ice_port_vlan_on/off() was introduced in commit 2946204b3fa8 ("ice:
implement bridge port vlan"). But ice_port_vlan_on() incorrectly assigns
ena_rx_filtering to inner_vlan_ops in DVM mode.
This causes an error when rx_filtering cannot be enabled in legacy mode.
Reproducer:
echo 1 > /sys/class/net/$PF/device/sriov_numvfs
ip link set $PF vf 0 spoofchk off trust on vlan 3
dmesg:
ice 0000:41:00.0: failed to enable Rx VLAN filtering for VF 0 VSI 9 during VF rebuild, error -95
Fixes: 2946204b3fa8 ("ice: implement bridge port vlan")
Signed-off-by: Petr Oros <poros@redhat.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
.../ethernet/intel/ice/ice_vf_vsi_vlan_ops.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c b/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c
index 80dc4bcdd3a41..b3e1bdcb80f84 100644
--- a/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c
+++ b/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c
@@ -26,24 +26,22 @@ static void ice_port_vlan_on(struct ice_vsi *vsi)
struct ice_vsi_vlan_ops *vlan_ops;
struct ice_pf *pf = vsi->back;
- if (ice_is_dvm_ena(&pf->hw)) {
- vlan_ops = &vsi->outer_vlan_ops;
-
- /* setup outer VLAN ops */
- vlan_ops->set_port_vlan = ice_vsi_set_outer_port_vlan;
- vlan_ops->clear_port_vlan = ice_vsi_clear_outer_port_vlan;
+ /* setup inner VLAN ops */
+ vlan_ops = &vsi->inner_vlan_ops;
- /* setup inner VLAN ops */
- vlan_ops = &vsi->inner_vlan_ops;
+ if (ice_is_dvm_ena(&pf->hw)) {
vlan_ops->add_vlan = noop_vlan_arg;
vlan_ops->del_vlan = noop_vlan_arg;
vlan_ops->ena_stripping = ice_vsi_ena_inner_stripping;
vlan_ops->dis_stripping = ice_vsi_dis_inner_stripping;
vlan_ops->ena_insertion = ice_vsi_ena_inner_insertion;
vlan_ops->dis_insertion = ice_vsi_dis_inner_insertion;
- } else {
- vlan_ops = &vsi->inner_vlan_ops;
+ /* setup outer VLAN ops */
+ vlan_ops = &vsi->outer_vlan_ops;
+ vlan_ops->set_port_vlan = ice_vsi_set_outer_port_vlan;
+ vlan_ops->clear_port_vlan = ice_vsi_clear_outer_port_vlan;
+ } else {
vlan_ops->set_port_vlan = ice_vsi_set_inner_port_vlan;
vlan_ops->clear_port_vlan = ice_vsi_clear_inner_port_vlan;
}
--
GitLab
From 0e110732473e14d6520e49d75d2c88ef7d46fe67 Mon Sep 17 00:00:00 2001
From: "Borislav Petkov (AMD)" <bp@alien8.de>
Date: Tue, 2 Apr 2024 16:05:49 +0200
Subject: [PATCH 2046/2686] x86/retpoline: Do the necessary fixup to the Zen3/4
srso return thunk for !SRSO
The srso_alias_untrain_ret() dummy thunk in the !CONFIG_MITIGATION_SRSO
case is there only for the altenative in CALL_UNTRAIN_RET to have
a symbol to resolve.
However, testing with kernels which don't have CONFIG_MITIGATION_SRSO
enabled, leads to the warning in patch_return() to fire:
missing return thunk: srso_alias_untrain_ret+0x0/0x10-0x0: eb 0e 66 66 2e
WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:826 apply_returns (arch/x86/kernel/alternative.c:826
Put in a plain "ret" there so that gcc doesn't put a return thunk in
in its place which special and gets checked.
In addition:
ERROR: modpost: "srso_alias_untrain_ret" [arch/x86/kvm/kvm-amd.ko] undefined!
make[2]: *** [scripts/Makefile.modpost:145: Module.symvers] Chyba 1
make[1]: *** [/usr/src/linux-6.8.3/Makefile:1873: modpost] Chyba 2
make: *** [Makefile:240: __sub-make] Chyba 2
since !SRSO builds would use the dummy return thunk as reported by
petr.pisar@atlas.cz, https://bugzilla.kernel.org/show_bug.cgi?id=218679.
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202404020901.da75a60f-oliver.sang@intel.com
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/all/202404020901.da75a60f-oliver.sang@intel.com/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/x86/lib/retpoline.S | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S
index 02cde194a99e6..0795b3464058b 100644
--- a/arch/x86/lib/retpoline.S
+++ b/arch/x86/lib/retpoline.S
@@ -228,8 +228,11 @@ SYM_CODE_END(srso_return_thunk)
#else /* !CONFIG_MITIGATION_SRSO */
/* Dummy for the alternative in CALL_UNTRAIN_RET. */
SYM_CODE_START(srso_alias_untrain_ret)
- RET
+ ANNOTATE_UNRET_SAFE
+ ret
+ int3
SYM_FUNC_END(srso_alias_untrain_ret)
+__EXPORT_THUNK(srso_alias_untrain_ret)
#define JMP_SRSO_UNTRAIN_RET "ud2"
#endif /* CONFIG_MITIGATION_SRSO */
--
GitLab
From 701b38995e5bdd2a293936c55782140423827fb1 Mon Sep 17 00:00:00 2001
From: Roberto Sassu <roberto.sassu@huawei.com>
Date: Wed, 3 Apr 2024 09:57:29 +0200
Subject: [PATCH 2047/2686] security: Place security_path_post_mknod() where
the original IMA call was
Commit 08abce60d63f ("security: Introduce path_post_mknod hook")
introduced security_path_post_mknod(), to replace the IMA-specific call
to ima_post_path_mknod().
For symmetry with security_path_mknod(), security_path_post_mknod() was
called after a successful mknod operation, for any file type, rather
than only for regular files at the time there was the IMA call.
However, as reported by VFS maintainers, successful mknod operation does
not mean that the dentry always has an inode attached to it (for
example, not for FIFOs on a SAMBA mount).
If that condition happens, the kernel crashes when
security_path_post_mknod() attempts to verify if the inode associated to
the dentry is private.
Move security_path_post_mknod() where the ima_post_path_mknod() call was,
which is obviously correct from IMA/EVM perspective. IMA/EVM are the only
in-kernel users, and only need to inspect regular files.
Reported-by: Steve French <smfrench@gmail.com>
Closes: https://lore.kernel.org/linux-kernel/CAH2r5msAVzxCUHHG8VKrMPUKQHmBpE6K9_vjhgDa1uAvwx4ppw@mail.gmail.com/
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Fixes: 08abce60d63f ("security: Introduce path_post_mknod hook")
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
fs/namei.c | 7 ++-----
security/security.c | 4 ++--
2 files changed, 4 insertions(+), 7 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index ceb9ddf8dfdd4..c5b2a25be7d04 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -4050,6 +4050,8 @@ static int do_mknodat(int dfd, struct filename *name, umode_t mode,
case 0: case S_IFREG:
error = vfs_create(idmap, path.dentry->d_inode,
dentry, mode, true);
+ if (!error)
+ security_path_post_mknod(idmap, dentry);
break;
case S_IFCHR: case S_IFBLK:
error = vfs_mknod(idmap, path.dentry->d_inode,
@@ -4060,11 +4062,6 @@ static int do_mknodat(int dfd, struct filename *name, umode_t mode,
dentry, mode, 0);
break;
}
-
- if (error)
- goto out2;
-
- security_path_post_mknod(idmap, dentry);
out2:
done_path_create(&path, dentry);
if (retry_estale(error, lookup_flags)) {
diff --git a/security/security.c b/security/security.c
index 7e118858b545c..0a9a0ac3f2662 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1793,11 +1793,11 @@ int security_path_mknod(const struct path *dir, struct dentry *dentry,
EXPORT_SYMBOL(security_path_mknod);
/**
- * security_path_post_mknod() - Update inode security field after file creation
+ * security_path_post_mknod() - Update inode security after reg file creation
* @idmap: idmap of the mount
* @dentry: new file
*
- * Update inode security field after a file has been created.
+ * Update inode security field after a regular file has been created.
*/
void security_path_post_mknod(struct mnt_idmap *idmap, struct dentry *dentry)
{
--
GitLab
From 3f5eb32513e75eb321919a703800d4e13e9d3ba8 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Date: Wed, 3 Apr 2024 14:18:39 +0300
Subject: [PATCH 2048/2686] ASoC: SOF: Intel: lnl: Disable DMIC/SSP offload on
remove
During probe the DMIC/SSP offload is enabled and it is not reversed on
remove.
Add a remove wrapper for LNL to disable the offload for DMIC and SSP
similarly to what is done during probe.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://msgid.link/r/20240403111839.27259-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/intel/lnl.c | 32 ++++++++++++++++++++++++--------
1 file changed, 24 insertions(+), 8 deletions(-)
diff --git a/sound/soc/sof/intel/lnl.c b/sound/soc/sof/intel/lnl.c
index d1c73d407e68e..aeb4350cce6bb 100644
--- a/sound/soc/sof/intel/lnl.c
+++ b/sound/soc/sof/intel/lnl.c
@@ -29,15 +29,17 @@ static const struct snd_sof_debugfs_map lnl_dsp_debugfs[] = {
};
/* this helps allows the DSP to setup DMIC/SSP */
-static int hdac_bus_offload_dmic_ssp(struct hdac_bus *bus)
+static int hdac_bus_offload_dmic_ssp(struct hdac_bus *bus, bool enable)
{
int ret;
- ret = hdac_bus_eml_enable_offload(bus, true, AZX_REG_ML_LEPTR_ID_INTEL_SSP, true);
+ ret = hdac_bus_eml_enable_offload(bus, true,
+ AZX_REG_ML_LEPTR_ID_INTEL_SSP, enable);
if (ret < 0)
return ret;
- ret = hdac_bus_eml_enable_offload(bus, true, AZX_REG_ML_LEPTR_ID_INTEL_DMIC, true);
+ ret = hdac_bus_eml_enable_offload(bus, true,
+ AZX_REG_ML_LEPTR_ID_INTEL_DMIC, enable);
if (ret < 0)
return ret;
@@ -52,7 +54,19 @@ static int lnl_hda_dsp_probe(struct snd_sof_dev *sdev)
if (ret < 0)
return ret;
- return hdac_bus_offload_dmic_ssp(sof_to_bus(sdev));
+ return hdac_bus_offload_dmic_ssp(sof_to_bus(sdev), true);
+}
+
+static void lnl_hda_dsp_remove(struct snd_sof_dev *sdev)
+{
+ int ret;
+
+ ret = hdac_bus_offload_dmic_ssp(sof_to_bus(sdev), false);
+ if (ret < 0)
+ dev_warn(sdev->dev,
+ "Failed to disable offload for DMIC/SSP: %d\n", ret);
+
+ hda_dsp_remove(sdev);
}
static int lnl_hda_dsp_resume(struct snd_sof_dev *sdev)
@@ -63,7 +77,7 @@ static int lnl_hda_dsp_resume(struct snd_sof_dev *sdev)
if (ret < 0)
return ret;
- return hdac_bus_offload_dmic_ssp(sof_to_bus(sdev));
+ return hdac_bus_offload_dmic_ssp(sof_to_bus(sdev), true);
}
static int lnl_hda_dsp_runtime_resume(struct snd_sof_dev *sdev)
@@ -74,7 +88,7 @@ static int lnl_hda_dsp_runtime_resume(struct snd_sof_dev *sdev)
if (ret < 0)
return ret;
- return hdac_bus_offload_dmic_ssp(sof_to_bus(sdev));
+ return hdac_bus_offload_dmic_ssp(sof_to_bus(sdev), true);
}
static int lnl_dsp_post_fw_run(struct snd_sof_dev *sdev)
@@ -97,9 +111,11 @@ int sof_lnl_ops_init(struct snd_sof_dev *sdev)
/* common defaults */
memcpy(&sof_lnl_ops, &sof_hda_common_ops, sizeof(struct snd_sof_dsp_ops));
- /* probe */
- if (!sdev->dspless_mode_selected)
+ /* probe/remove */
+ if (!sdev->dspless_mode_selected) {
sof_lnl_ops.probe = lnl_hda_dsp_probe;
+ sof_lnl_ops.remove = lnl_hda_dsp_remove;
+ }
/* shutdown */
sof_lnl_ops.shutdown = hda_dsp_shutdown;
--
GitLab
From 64d845f651267deb62bcf013ce37e2360161fdf1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jouni=20H=C3=B6gander?= <jouni.hogander@intel.com>
Date: Tue, 19 Mar 2024 14:33:23 +0200
Subject: [PATCH 2049/2686] drm/i915/psr: Calculate PIPE_SRCSZ_ERLY_TPT value
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
When early transport is enabled we need to write PIPE_SRCSZ_ERLY_TPT on
every flip doing selective update. This patch calculates
PIPE_SRCSZ_ERLY_TPT same way as is done for PSR2_MAN_TRK_CTL value and
stores i in intel_crtc_state->pipe_srcsz_early_tpt to be written later
during flip.
Bspec: 68927
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240319123327.1661097-2-jouni.hogander@intel.com
(cherry picked from commit f3b899f0b4b17fa0b20e27c23f78604d5686383d)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
.../gpu/drm/i915/display/intel_display_types.h | 2 ++
drivers/gpu/drm/i915/display/intel_psr.c | 16 ++++++++++++++++
2 files changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 9104f18753b48..bf3f942e19c3d 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1423,6 +1423,8 @@ struct intel_crtc_state {
u32 psr2_man_track_ctl;
+ u32 pipe_srcsz_early_tpt;
+
struct drm_rect psr2_su_area;
/* Variable Refresh Rate state */
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 6927785fd6ff2..2c4978e189a3a 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -2051,6 +2051,20 @@ static void psr2_man_trk_ctl_calc(struct intel_crtc_state *crtc_state,
crtc_state->psr2_man_track_ctl = val;
}
+static u32 psr2_pipe_srcsz_early_tpt_calc(struct intel_crtc_state *crtc_state,
+ bool full_update)
+{
+ int width, height;
+
+ if (!crtc_state->enable_psr2_su_region_et || full_update)
+ return 0;
+
+ width = drm_rect_width(&crtc_state->psr2_su_area);
+ height = drm_rect_height(&crtc_state->psr2_su_area);
+
+ return PIPESRC_WIDTH(width - 1) | PIPESRC_HEIGHT(height - 1);
+}
+
static void clip_area_update(struct drm_rect *overlap_damage_area,
struct drm_rect *damage_area,
struct drm_rect *pipe_src)
@@ -2338,6 +2352,8 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
skip_sel_fetch_set_loop:
psr2_man_trk_ctl_calc(crtc_state, full_update);
+ crtc_state->pipe_srcsz_early_tpt =
+ psr2_pipe_srcsz_early_tpt_calc(crtc_state, full_update);
return 0;
}
--
GitLab
From 4e29234353a4378a49e5ee6f5683678d7e101e17 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jouni=20H=C3=B6gander?= <jouni.hogander@intel.com>
Date: Tue, 19 Mar 2024 14:33:24 +0200
Subject: [PATCH 2050/2686] drm/i915/psr: Move writing early transport pipe src
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Currently PIPE_SRCSZ_ERLY_TPT is written in
intel_display.c:intel_set_pipe_src_size. This doesn't work as
intel_set_pipe_src_size is called only on modeset.
Bspec: 68927
Fixes: 3291bbb93e16 ("drm/i915/psr: Configure PIPE_SRCSZ_ERLY_TPT for psr2 early transport")
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240319123327.1661097-3-jouni.hogander@intel.com
(cherry picked from commit b52c4093b0c9089b00b42823d41986a94d32e341)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_display.c | 9 ---------
drivers/gpu/drm/i915/display/intel_psr.c | 7 +++++++
2 files changed, 7 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index ab2f52d21bad8..8af9e6128277a 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -2709,15 +2709,6 @@ static void intel_set_pipe_src_size(const struct intel_crtc_state *crtc_state)
*/
intel_de_write(dev_priv, PIPESRC(pipe),
PIPESRC_WIDTH(width - 1) | PIPESRC_HEIGHT(height - 1));
-
- if (!crtc_state->enable_psr2_su_region_et)
- return;
-
- width = drm_rect_width(&crtc_state->psr2_su_area);
- height = drm_rect_height(&crtc_state->psr2_su_area);
-
- intel_de_write(dev_priv, PIPE_SRCSZ_ERLY_TPT(pipe),
- PIPESRC_WIDTH(width - 1) | PIPESRC_HEIGHT(height - 1));
}
static bool intel_pipe_is_interlaced(const struct intel_crtc_state *crtc_state)
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 2c4978e189a3a..47175e4156bd7 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1994,6 +1994,7 @@ static void psr_force_hw_tracking_exit(struct intel_dp *intel_dp)
void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state)
{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
struct intel_encoder *encoder;
@@ -2013,6 +2014,12 @@ void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_st
intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder),
crtc_state->psr2_man_track_ctl);
+
+ if (!crtc_state->enable_psr2_su_region_et)
+ return;
+
+ intel_de_write(dev_priv, PIPE_SRCSZ_ERLY_TPT(crtc->pipe),
+ crtc_state->pipe_srcsz_early_tpt);
}
static void psr2_man_trk_ctl_calc(struct intel_crtc_state *crtc_state,
--
GitLab
From bf1f6f8d0b193561f213209b902edda634b6c74a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jouni=20H=C3=B6gander?= <jouni.hogander@intel.com>
Date: Tue, 19 Mar 2024 14:33:25 +0200
Subject: [PATCH 2051/2686] drm/i915/psr: Fix intel_psr2_sel_fetch_et_alignment
usage
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Currently we are not aligning selective update area to cover cursor fully
when cursor is not updated by itself but still in the selective update
area. Fix this by checking cursor separately after
drm_atomic_add_affected_planes.
Bspec: 68927
Fixes: 1bff93b8bc27 ("drm/i915/psr: Extend SU area to cover cursor fully if needed")
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240319123327.1661097-4-jouni.hogander@intel.com
(cherry picked from commit d37b3dac68e26669f03f768b3afc9abc094c9ac9)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_psr.c | 55 ++++++++++++++----------
1 file changed, 33 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 47175e4156bd7..b6e539f1342c2 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -2116,21 +2116,36 @@ static void intel_psr2_sel_fetch_pipe_alignment(struct intel_crtc_state *crtc_st
* cursor fully when cursor is in SU area.
*/
static void
-intel_psr2_sel_fetch_et_alignment(struct intel_crtc_state *crtc_state,
- struct intel_plane_state *cursor_state)
+intel_psr2_sel_fetch_et_alignment(struct intel_atomic_state *state,
+ struct intel_crtc *crtc)
{
- struct drm_rect inter;
+ struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
+ struct intel_plane_state *new_plane_state;
+ struct intel_plane *plane;
+ int i;
- if (!crtc_state->enable_psr2_su_region_et ||
- !cursor_state->uapi.visible)
+ if (!crtc_state->enable_psr2_su_region_et)
return;
- inter = crtc_state->psr2_su_area;
- if (!drm_rect_intersect(&inter, &cursor_state->uapi.dst))
- return;
+ for_each_new_intel_plane_in_state(state, plane, new_plane_state, i) {
+ struct drm_rect inter;
- clip_area_update(&crtc_state->psr2_su_area, &cursor_state->uapi.dst,
- &crtc_state->pipe_src);
+ if (new_plane_state->uapi.crtc != crtc_state->uapi.crtc)
+ continue;
+
+ if (plane->id != PLANE_CURSOR)
+ continue;
+
+ if (!new_plane_state->uapi.visible)
+ continue;
+
+ inter = crtc_state->psr2_su_area;
+ if (!drm_rect_intersect(&inter, &new_plane_state->uapi.dst))
+ continue;
+
+ clip_area_update(&crtc_state->psr2_su_area, &new_plane_state->uapi.dst,
+ &crtc_state->pipe_src);
+ }
}
/*
@@ -2173,8 +2188,7 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
{
struct drm_i915_private *dev_priv = to_i915(state->base.dev);
struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
- struct intel_plane_state *new_plane_state, *old_plane_state,
- *cursor_plane_state = NULL;
+ struct intel_plane_state *new_plane_state, *old_plane_state;
struct intel_plane *plane;
bool full_update = false;
int i, ret;
@@ -2259,13 +2273,6 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
damaged_area.x2 += new_plane_state->uapi.dst.x1 - src.x1;
clip_area_update(&crtc_state->psr2_su_area, &damaged_area, &crtc_state->pipe_src);
-
- /*
- * Cursor plane new state is stored to adjust su area to cover
- * cursor are fully.
- */
- if (plane->id == PLANE_CURSOR)
- cursor_plane_state = new_plane_state;
}
/*
@@ -2294,9 +2301,13 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
if (ret)
return ret;
- /* Adjust su area to cover cursor fully as necessary */
- if (cursor_plane_state)
- intel_psr2_sel_fetch_et_alignment(crtc_state, cursor_plane_state);
+ /*
+ * Adjust su area to cover cursor fully as necessary (early
+ * transport). This needs to be done after
+ * drm_atomic_add_affected_planes to ensure visible cursor is added into
+ * affected planes even when cursor is not updated by itself.
+ */
+ intel_psr2_sel_fetch_et_alignment(state, crtc);
intel_psr2_sel_fetch_pipe_alignment(crtc_state);
--
GitLab
From 94bf3e60e1a61973cdb6488af873b8de66250c77 Mon Sep 17 00:00:00 2001
From: Andi Shyti <andi.shyti@linux.intel.com>
Date: Wed, 27 Mar 2024 21:05:46 +0100
Subject: [PATCH 2052/2686] drm/i915/gt: Limit the reserved VM space to only
the platforms that need it
Commit 9bb66c179f50 ("drm/i915: Reserve some kernel space per
vm") reduces the available VM space of one page in order to apply
Wa_16018031267 and Wa_16018063123.
This page was reserved indiscrimitely in all platforms even when
not needed. Limit it to DG2 onwards.
Fixes: 9bb66c179f50 ("drm/i915: Reserve some kernel space per vm")
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Chris Wilson <chris.p.wilson@linux.intel.com>
Cc: Jonathan Cavitt <jonathan.cavitt@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Acked-by: Michal Mrozek <michal.mrozek@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240327200546.640108-1-andi.shyti@linux.intel.com
(cherry picked from commit 9721634441d5dedba7f9eebb2bf0c9411cbafc4e)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/gt/gen8_ppgtt.c | 3 +++
drivers/gpu/drm/i915/gt/intel_gt.c | 6 ++++++
drivers/gpu/drm/i915/gt/intel_gt.h | 9 +++++----
3 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
index fa46d2308b0ed..81bf2216371be 100644
--- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
@@ -961,6 +961,9 @@ static int gen8_init_rsvd(struct i915_address_space *vm)
struct i915_vma *vma;
int ret;
+ if (!intel_gt_needs_wa_16018031267(vm->gt))
+ return 0;
+
/* The memory will be used only by GPU. */
obj = i915_gem_object_create_lmem(i915, PAGE_SIZE,
I915_BO_ALLOC_VOLATILE |
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index a425db5ed3a22..6a2c2718bcc38 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -1024,6 +1024,12 @@ enum i915_map_type intel_gt_coherent_map_type(struct intel_gt *gt,
return I915_MAP_WC;
}
+bool intel_gt_needs_wa_16018031267(struct intel_gt *gt)
+{
+ /* Wa_16018031267, Wa_16018063123 */
+ return IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 55), IP_VER(12, 71));
+}
+
bool intel_gt_needs_wa_22016122933(struct intel_gt *gt)
{
return MEDIA_VER_FULL(gt->i915) == IP_VER(13, 0) && gt->type == GT_MEDIA;
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h
index 608f5c8729285..003eb93b826fd 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt.h
@@ -82,17 +82,18 @@ struct drm_printer;
##__VA_ARGS__); \
} while (0)
-#define NEEDS_FASTCOLOR_BLT_WABB(engine) ( \
- IS_GFX_GT_IP_RANGE(engine->gt, IP_VER(12, 55), IP_VER(12, 71)) && \
- engine->class == COPY_ENGINE_CLASS && engine->instance == 0)
-
static inline bool gt_is_root(struct intel_gt *gt)
{
return !gt->info.id;
}
+bool intel_gt_needs_wa_16018031267(struct intel_gt *gt);
bool intel_gt_needs_wa_22016122933(struct intel_gt *gt);
+#define NEEDS_FASTCOLOR_BLT_WABB(engine) ( \
+ intel_gt_needs_wa_16018031267(engine->gt) && \
+ engine->class == COPY_ENGINE_CLASS && engine->instance == 0)
+
static inline struct intel_gt *uc_to_gt(struct intel_uc *uc)
{
return container_of(uc, struct intel_gt, uc);
--
GitLab
From bc9a1ec01289e6e7259dc5030b413a9c6654a99a Mon Sep 17 00:00:00 2001
From: Andi Shyti <andi.shyti@linux.intel.com>
Date: Thu, 28 Mar 2024 08:34:03 +0100
Subject: [PATCH 2053/2686] drm/i915/gt: Disable HW load balancing for CCS
The hardware should not dynamically balance the load between CCS
engines. Wa_14019159160 recommends disabling it across all
platforms.
Fixes: d2eae8e98d59 ("drm/i915/dg2: Drop force_probe requirement")
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Chris Wilson <chris.p.wilson@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: <stable@vger.kernel.org> # v6.2+
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Michal Mrozek <michal.mrozek@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240328073409.674098-2-andi.shyti@linux.intel.com
(cherry picked from commit f5d2904cf814f20b79e3e4c1b24a4ccc2411b7e0)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/gt/intel_gt_regs.h | 1 +
drivers/gpu/drm/i915/gt/intel_workarounds.c | 23 +++++++++++++++++++--
2 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index 50962cfd1353a..31b102604e3df 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -1477,6 +1477,7 @@
#define ECOBITS_PPGTT_CACHE4B (0 << 8)
#define GEN12_RCU_MODE _MMIO(0x14800)
+#define XEHP_RCU_MODE_FIXED_SLICE_CCS_MODE REG_BIT(1)
#define GEN12_RCU_MODE_CCS_ENABLE REG_BIT(0)
#define CHV_FUSE_GT _MMIO(VLV_GUNIT_BASE + 0x2168)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 25413809b9dc9..4865eb5ca9c91 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -51,7 +51,8 @@
* registers belonging to BCS, VCS or VECS should be implemented in
* xcs_engine_wa_init(). Workarounds for registers not belonging to a specific
* engine's MMIO range but that are part of of the common RCS/CCS reset domain
- * should be implemented in general_render_compute_wa_init().
+ * should be implemented in general_render_compute_wa_init(). The settings
+ * about the CCS load balancing should be added in ccs_engine_wa_mode().
*
* - GT workarounds: the list of these WAs is applied whenever these registers
* revert to their default values: on GPU reset, suspend/resume [1]_, etc.
@@ -2854,6 +2855,22 @@ add_render_compute_tuning_settings(struct intel_gt *gt,
wa_write_clr(wal, GEN8_GARBCNTL, GEN12_BUS_HASH_CTL_BIT_EXC);
}
+static void ccs_engine_wa_mode(struct intel_engine_cs *engine, struct i915_wa_list *wal)
+{
+ struct intel_gt *gt = engine->gt;
+
+ if (!IS_DG2(gt->i915))
+ return;
+
+ /*
+ * Wa_14019159160: This workaround, along with others, leads to
+ * significant challenges in utilizing load balancing among the
+ * CCS slices. Consequently, an architectural decision has been
+ * made to completely disable automatic CCS load balancing.
+ */
+ wa_masked_en(wal, GEN12_RCU_MODE, XEHP_RCU_MODE_FIXED_SLICE_CCS_MODE);
+}
+
/*
* The workarounds in this function apply to shared registers in
* the general render reset domain that aren't tied to a
@@ -3004,8 +3021,10 @@ engine_init_workarounds(struct intel_engine_cs *engine, struct i915_wa_list *wal
* to a single RCS/CCS engine's workaround list since
* they're reset as part of the general render domain reset.
*/
- if (engine->flags & I915_ENGINE_FIRST_RENDER_COMPUTE)
+ if (engine->flags & I915_ENGINE_FIRST_RENDER_COMPUTE) {
general_render_compute_wa_init(engine, wal);
+ ccs_engine_wa_mode(engine, wal);
+ }
if (engine->class == COMPUTE_CLASS)
ccs_engine_wa_init(engine, wal);
--
GitLab
From ea315f98e5d6d3191b74beb0c3e5fc16081d517c Mon Sep 17 00:00:00 2001
From: Andi Shyti <andi.shyti@linux.intel.com>
Date: Thu, 28 Mar 2024 08:34:04 +0100
Subject: [PATCH 2054/2686] drm/i915/gt: Do not generate the command streamer
for all the CCS
We want a fixed load CCS balancing consisting in all slices
sharing one single user engine. For this reason do not create the
intel_engine_cs structure with its dedicated command streamer for
CCS slices beyond the first.
Fixes: d2eae8e98d59 ("drm/i915/dg2: Drop force_probe requirement")
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Chris Wilson <chris.p.wilson@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: <stable@vger.kernel.org> # v6.2+
Acked-by: Michal Mrozek <michal.mrozek@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240328073409.674098-3-andi.shyti@linux.intel.com
(cherry picked from commit c7a5aa4e57f88470313a8277eb299b221b86e3b1)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 1ade568ffbfa4..7a6dc371c384e 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -908,6 +908,23 @@ static intel_engine_mask_t init_engine_mask(struct intel_gt *gt)
info->engine_mask &= ~BIT(GSC0);
}
+ /*
+ * Do not create the command streamer for CCS slices beyond the first.
+ * All the workload submitted to the first engine will be shared among
+ * all the slices.
+ *
+ * Once the user will be allowed to customize the CCS mode, then this
+ * check needs to be removed.
+ */
+ if (IS_DG2(gt->i915)) {
+ u8 first_ccs = __ffs(CCS_MASK(gt));
+
+ /* Mask off all the CCS engine */
+ info->engine_mask &= ~GENMASK(CCS3, CCS0);
+ /* Put back in the first CCS engine */
+ info->engine_mask |= BIT(_CCS(first_ccs));
+ }
+
return info->engine_mask;
}
--
GitLab
From 6db31251bb265813994bfb104eb4b4d0f44d64fb Mon Sep 17 00:00:00 2001
From: Andi Shyti <andi.shyti@linux.intel.com>
Date: Thu, 28 Mar 2024 08:34:05 +0100
Subject: [PATCH 2055/2686] drm/i915/gt: Enable only one CCS for compute
workload
Enable only one CCS engine by default with all the compute sices
allocated to it.
While generating the list of UABI engines to be exposed to the
user, exclude any additional CCS engines beyond the first
instance.
This change can be tested with igt i915_query.
Fixes: d2eae8e98d59 ("drm/i915/dg2: Drop force_probe requirement")
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Chris Wilson <chris.p.wilson@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: <stable@vger.kernel.org> # v6.2+
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Michal Mrozek <michal.mrozek@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240328073409.674098-4-andi.shyti@linux.intel.com
(cherry picked from commit 2bebae0112b117de7e8a7289277a4bd2403b9e17)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/Makefile | 1 +
drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.c | 39 +++++++++++++++++++++
drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.h | 13 +++++++
drivers/gpu/drm/i915/gt/intel_gt_regs.h | 5 +++
drivers/gpu/drm/i915/gt/intel_workarounds.c | 7 ++++
5 files changed, 65 insertions(+)
create mode 100644 drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.c
create mode 100644 drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.h
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 4c2f85632391a..fba73c38e2356 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -118,6 +118,7 @@ gt-y += \
gt/intel_ggtt_fencing.o \
gt/intel_gt.o \
gt/intel_gt_buffer_pool.o \
+ gt/intel_gt_ccs_mode.o \
gt/intel_gt_clock_utils.o \
gt/intel_gt_debugfs.o \
gt/intel_gt_engines_debugfs.o \
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.c b/drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.c
new file mode 100644
index 0000000000000..044219c5960a5
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2024 Intel Corporation
+ */
+
+#include "i915_drv.h"
+#include "intel_gt.h"
+#include "intel_gt_ccs_mode.h"
+#include "intel_gt_regs.h"
+
+void intel_gt_apply_ccs_mode(struct intel_gt *gt)
+{
+ int cslice;
+ u32 mode = 0;
+ int first_ccs = __ffs(CCS_MASK(gt));
+
+ if (!IS_DG2(gt->i915))
+ return;
+
+ /* Build the value for the fixed CCS load balancing */
+ for (cslice = 0; cslice < I915_MAX_CCS; cslice++) {
+ if (CCS_MASK(gt) & BIT(cslice))
+ /*
+ * If available, assign the cslice
+ * to the first available engine...
+ */
+ mode |= XEHP_CCS_MODE_CSLICE(cslice, first_ccs);
+
+ else
+ /*
+ * ... otherwise, mark the cslice as
+ * unavailable if no CCS dispatches here
+ */
+ mode |= XEHP_CCS_MODE_CSLICE(cslice,
+ XEHP_CCS_MODE_CSLICE_MASK);
+ }
+
+ intel_uncore_write(gt->uncore, XEHP_CCS_MODE, mode);
+}
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.h b/drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.h
new file mode 100644
index 0000000000000..9e5549caeb269
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/intel_gt_ccs_mode.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2024 Intel Corporation
+ */
+
+#ifndef __INTEL_GT_CCS_MODE_H__
+#define __INTEL_GT_CCS_MODE_H__
+
+struct intel_gt;
+
+void intel_gt_apply_ccs_mode(struct intel_gt *gt);
+
+#endif /* __INTEL_GT_CCS_MODE_H__ */
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index 31b102604e3df..743fe35667227 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -1480,6 +1480,11 @@
#define XEHP_RCU_MODE_FIXED_SLICE_CCS_MODE REG_BIT(1)
#define GEN12_RCU_MODE_CCS_ENABLE REG_BIT(0)
+#define XEHP_CCS_MODE _MMIO(0x14804)
+#define XEHP_CCS_MODE_CSLICE_MASK REG_GENMASK(2, 0) /* CCS0-3 + rsvd */
+#define XEHP_CCS_MODE_CSLICE_WIDTH ilog2(XEHP_CCS_MODE_CSLICE_MASK + 1)
+#define XEHP_CCS_MODE_CSLICE(cslice, ccs) (ccs << (cslice * XEHP_CCS_MODE_CSLICE_WIDTH))
+
#define CHV_FUSE_GT _MMIO(VLV_GUNIT_BASE + 0x2168)
#define CHV_FGT_DISABLE_SS0 (1 << 10)
#define CHV_FGT_DISABLE_SS1 (1 << 11)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 4865eb5ca9c91..6ec3582c97357 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -10,6 +10,7 @@
#include "intel_engine_regs.h"
#include "intel_gpu_commands.h"
#include "intel_gt.h"
+#include "intel_gt_ccs_mode.h"
#include "intel_gt_mcr.h"
#include "intel_gt_print.h"
#include "intel_gt_regs.h"
@@ -2869,6 +2870,12 @@ static void ccs_engine_wa_mode(struct intel_engine_cs *engine, struct i915_wa_li
* made to completely disable automatic CCS load balancing.
*/
wa_masked_en(wal, GEN12_RCU_MODE, XEHP_RCU_MODE_FIXED_SLICE_CCS_MODE);
+
+ /*
+ * After having disabled automatic load balancing we need to
+ * assign all slices to a single CCS. We will call it CCS mode 1
+ */
+ intel_gt_apply_ccs_mode(gt);
}
/*
--
GitLab
From f7caddfd558e32db0ae944256e623a259538b357 Mon Sep 17 00:00:00 2001
From: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Date: Tue, 5 Mar 2024 11:14:43 +0530
Subject: [PATCH 2056/2686] drm/i915/dp: Fix the computation for compressed_bpp
for DISPLAY < 13
For DISPLAY < 13, compressed bpp is chosen from a list of
supported compressed bpps. Fix the condition to choose the
appropriate compressed bpp from the list.
Fixes: 1c56e9a39833 ("drm/i915/dp: Get optimal link config to have best compressed bpp")
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: <stable@vger.kernel.org> # v6.7+
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10162
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240305054443.2489895-1-ankit.k.nautiyal@intel.com
(cherry picked from commit 5a1da42b50f3594e18738885c2f23ed36629dd00)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 4016cf6b6c618..36afbb68d87d4 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1917,8 +1917,9 @@ icl_dsc_compute_link_config(struct intel_dp *intel_dp,
dsc_max_bpp = min(dsc_max_bpp, pipe_bpp - 1);
for (i = 0; i < ARRAY_SIZE(valid_dsc_bpp); i++) {
- if (valid_dsc_bpp[i] < dsc_min_bpp ||
- valid_dsc_bpp[i] > dsc_max_bpp)
+ if (valid_dsc_bpp[i] < dsc_min_bpp)
+ continue;
+ if (valid_dsc_bpp[i] > dsc_max_bpp)
break;
ret = dsc_compute_link_config(intel_dp,
--
GitLab
From 51bc63392e96ca45d7be98bc43c180b174ffca09 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Tue, 2 Apr 2024 16:51:46 +0300
Subject: [PATCH 2057/2686] drm/i915/mst: Limit MST+DSC to TGL+
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The MST code currently assumes that glk+ already supports MST+DSC,
which is incorrect. We need to check for TGL+ actually. ICL does
support SST+DSC, but supposedly it can't do MST+FEC which will
also rule out MST+DSC.
Note that a straight TGL+ check doesn't work here because DSC
support can get fused out, so we do need to also check 'has_dsc'.
Cc: stable@vger.kernel.org
Fixes: d51f25eb479a ("drm/i915: Add DSC support to MST path")
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402135148.23011-6-ville.syrjala@linux.intel.com
(cherry picked from commit c9c92f286dbdf872390ef3e74dbe5f0641e46f55)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_display_device.h | 1 +
drivers/gpu/drm/i915/display/intel_dp_mst.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h b/drivers/gpu/drm/i915/display/intel_display_device.h
index fe42688137863..9b1bce2624b9e 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.h
+++ b/drivers/gpu/drm/i915/display/intel_display_device.h
@@ -47,6 +47,7 @@ struct drm_printer;
#define HAS_DPT(i915) (DISPLAY_VER(i915) >= 13)
#define HAS_DSB(i915) (DISPLAY_INFO(i915)->has_dsb)
#define HAS_DSC(__i915) (DISPLAY_RUNTIME_INFO(__i915)->has_dsc)
+#define HAS_DSC_MST(__i915) (DISPLAY_VER(__i915) >= 12 && HAS_DSC(__i915))
#define HAS_FBC(i915) (DISPLAY_RUNTIME_INFO(i915)->fbc_mask != 0)
#define HAS_FPGA_DBG_UNCLAIMED(i915) (DISPLAY_INFO(i915)->has_fpga_dbg)
#define HAS_FW_BLC(i915) (DISPLAY_VER(i915) >= 3)
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 53aec023ce92f..b651c990af85f 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -1355,7 +1355,7 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector,
return 0;
}
- if (DISPLAY_VER(dev_priv) >= 10 &&
+ if (HAS_DSC_MST(dev_priv) &&
drm_dp_sink_supports_dsc(intel_connector->dp.dsc_dpcd)) {
/*
* TBD pass the connector BPC,
--
GitLab
From 99f855082f228cdcecd6ab768d3b8b505e0eb028 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Tue, 2 Apr 2024 16:51:47 +0300
Subject: [PATCH 2058/2686] drm/i915/mst: Reject FEC+MST on ICL
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
ICL supposedly doesn't support FEC on MST. Reject it.
Cc: stable@vger.kernel.org
Fixes: d51f25eb479a ("drm/i915: Add DSC support to MST path")
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402135148.23011-7-ville.syrjala@linux.intel.com
(cherry picked from commit b648ce2a28ba83c4fa67c61fcc5983e15e9d4afb)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 36afbb68d87d4..abd62bebc46d0 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1422,7 +1422,8 @@ static bool intel_dp_source_supports_fec(struct intel_dp *intel_dp,
if (DISPLAY_VER(dev_priv) >= 12)
return true;
- if (DISPLAY_VER(dev_priv) == 11 && encoder->port != PORT_A)
+ if (DISPLAY_VER(dev_priv) == 11 && encoder->port != PORT_A &&
+ !intel_crtc_has_type(pipe_config, INTEL_OUTPUT_DP_MST))
return true;
return false;
--
GitLab
From 27fcec6c27caec05a512d2f1be7f855d8899cb8d Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 30 Mar 2024 22:25:45 -0400
Subject: [PATCH 2059/2686] bcachefs: Clear recovery_passes_required as they
complete without errors
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/recovery.c | 4 +---
fs/bcachefs/recovery_passes.c | 41 +++++++++++++++++++++++++++--------
fs/bcachefs/util.h | 10 +++++++++
3 files changed, 43 insertions(+), 12 deletions(-)
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index e8b4340092936..88b794d5dbd06 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -838,9 +838,7 @@ int bch2_fs_recovery(struct bch_fs *c)
}
if (!test_bit(BCH_FS_error, &c->flags) &&
- (!bch2_is_zero(ext->recovery_passes_required, sizeof(ext->recovery_passes_required)) ||
- !bch2_is_zero(ext->errors_silent, sizeof(ext->errors_silent)))) {
- memset(ext->recovery_passes_required, 0, sizeof(ext->recovery_passes_required));
+ !bch2_is_zero(ext->errors_silent, sizeof(ext->errors_silent))) {
memset(ext->errors_silent, 0, sizeof(ext->errors_silent));
write_sb = true;
}
diff --git a/fs/bcachefs/recovery_passes.c b/fs/bcachefs/recovery_passes.c
index 0089d9456b100..b066c5155b742 100644
--- a/fs/bcachefs/recovery_passes.c
+++ b/fs/bcachefs/recovery_passes.c
@@ -59,18 +59,23 @@ static struct recovery_pass_fn recovery_pass_fns[] = {
#undef x
};
-u64 bch2_recovery_passes_to_stable(u64 v)
-{
- static const u8 map[] = {
+static const u8 passes_to_stable_map[] = {
#define x(n, id, ...) [BCH_RECOVERY_PASS_##n] = BCH_RECOVERY_PASS_STABLE_##n,
BCH_RECOVERY_PASSES()
#undef x
- };
+};
+
+static enum bch_recovery_pass_stable bch2_recovery_pass_to_stable(enum bch_recovery_pass pass)
+{
+ return passes_to_stable_map[pass];
+}
+u64 bch2_recovery_passes_to_stable(u64 v)
+{
u64 ret = 0;
- for (unsigned i = 0; i < ARRAY_SIZE(map); i++)
+ for (unsigned i = 0; i < ARRAY_SIZE(passes_to_stable_map); i++)
if (v & BIT_ULL(i))
- ret |= BIT_ULL(map[i]);
+ ret |= BIT_ULL(passes_to_stable_map[i]);
return ret;
}
@@ -116,13 +121,13 @@ int bch2_run_explicit_recovery_pass(struct bch_fs *c,
int bch2_run_explicit_recovery_pass_persistent(struct bch_fs *c,
enum bch_recovery_pass pass)
{
- __le64 s = cpu_to_le64(bch2_recovery_passes_to_stable(BIT_ULL(pass)));
+ enum bch_recovery_pass_stable s = bch2_recovery_pass_to_stable(pass);
mutex_lock(&c->sb_lock);
struct bch_sb_field_ext *ext = bch2_sb_field_get(c->disk_sb.sb, ext);
- if (!(ext->recovery_passes_required[0] & s)) {
- ext->recovery_passes_required[0] |= s;
+ if (!test_bit_le64(s, ext->recovery_passes_required)) {
+ __set_bit_le64(s, ext->recovery_passes_required);
bch2_write_super(c);
}
mutex_unlock(&c->sb_lock);
@@ -130,6 +135,21 @@ int bch2_run_explicit_recovery_pass_persistent(struct bch_fs *c,
return bch2_run_explicit_recovery_pass(c, pass);
}
+static void bch2_clear_recovery_pass_required(struct bch_fs *c,
+ enum bch_recovery_pass pass)
+{
+ enum bch_recovery_pass_stable s = bch2_recovery_pass_to_stable(pass);
+
+ mutex_lock(&c->sb_lock);
+ struct bch_sb_field_ext *ext = bch2_sb_field_get(c->disk_sb.sb, ext);
+
+ if (test_bit_le64(s, ext->recovery_passes_required)) {
+ __clear_bit_le64(s, ext->recovery_passes_required);
+ bch2_write_super(c);
+ }
+ mutex_unlock(&c->sb_lock);
+}
+
u64 bch2_fsck_recovery_passes(void)
{
u64 ret = 0;
@@ -218,6 +238,9 @@ int bch2_run_recovery_passes(struct bch_fs *c)
c->recovery_pass_done = max(c->recovery_pass_done, c->curr_recovery_pass);
+ if (!test_bit(BCH_FS_error, &c->flags))
+ bch2_clear_recovery_pass_required(c, c->curr_recovery_pass);
+
c->curr_recovery_pass++;
}
diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h
index 175aee3074c7d..4577c0789a3a7 100644
--- a/fs/bcachefs/util.h
+++ b/fs/bcachefs/util.h
@@ -797,4 +797,14 @@ static inline void __set_bit_le64(size_t bit, __le64 *addr)
addr[bit / 64] |= cpu_to_le64(BIT_ULL(bit % 64));
}
+static inline void __clear_bit_le64(size_t bit, __le64 *addr)
+{
+ addr[bit / 64] &= !cpu_to_le64(BIT_ULL(bit % 64));
+}
+
+static inline bool test_bit_le64(size_t bit, __le64 *addr)
+{
+ return (addr[bit / 64] & cpu_to_le64(BIT_ULL(bit % 64))) != 0;
+}
+
#endif /* _BCACHEFS_UTIL_H */
--
GitLab
From bdbf953b3c9036e284e28c9484dda5c81b2a45fa Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 19 Mar 2024 18:56:26 -0400
Subject: [PATCH 2060/2686] bcachefs: bch2_shoot_down_journal_keys()
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_journal_iter.c | 19 +++++++++++++++++++
fs/bcachefs/btree_journal_iter.h | 4 ++++
fs/bcachefs/recovery.c | 22 ++++++++++++----------
3 files changed, 35 insertions(+), 10 deletions(-)
diff --git a/fs/bcachefs/btree_journal_iter.c b/fs/bcachefs/btree_journal_iter.c
index 1f588264575db..5cbcbfe85235b 100644
--- a/fs/bcachefs/btree_journal_iter.c
+++ b/fs/bcachefs/btree_journal_iter.c
@@ -567,3 +567,22 @@ int bch2_journal_keys_sort(struct bch_fs *c)
bch_verbose(c, "Journal keys: %zu read, %zu after sorting and compacting", nr_read, keys->nr);
return 0;
}
+
+void bch2_shoot_down_journal_keys(struct bch_fs *c, enum btree_id btree,
+ unsigned level_min, unsigned level_max,
+ struct bpos start, struct bpos end)
+{
+ struct journal_keys *keys = &c->journal_keys;
+ size_t dst = 0;
+
+ move_gap(keys, keys->nr);
+
+ darray_for_each(*keys, i)
+ if (!(i->btree_id == btree &&
+ i->level >= level_min &&
+ i->level <= level_max &&
+ bpos_ge(i->k->k.p, start) &&
+ bpos_le(i->k->k.p, end)))
+ keys->data[dst++] = *i;
+ keys->nr = keys->gap = dst;
+}
diff --git a/fs/bcachefs/btree_journal_iter.h b/fs/bcachefs/btree_journal_iter.h
index 09cd53091a05b..af25046ebcaa7 100644
--- a/fs/bcachefs/btree_journal_iter.h
+++ b/fs/bcachefs/btree_journal_iter.h
@@ -66,4 +66,8 @@ void bch2_journal_entries_free(struct bch_fs *);
int bch2_journal_keys_sort(struct bch_fs *);
+void bch2_shoot_down_journal_keys(struct bch_fs *, enum btree_id,
+ unsigned, unsigned,
+ struct bpos, struct bpos);
+
#endif /* _BCACHEFS_BTREE_JOURNAL_ITER_H */
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index 88b794d5dbd06..7cbf30e3ef73b 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -47,7 +47,7 @@ static bool btree_id_is_alloc(enum btree_id id)
}
/* for -o reconstruct_alloc: */
-static void do_reconstruct_alloc(struct bch_fs *c)
+static void bch2_reconstruct_alloc(struct bch_fs *c)
{
bch2_journal_log_msg(c, "dropping alloc info");
bch_info(c, "dropping and reconstructing all alloc info");
@@ -82,15 +82,17 @@ static void do_reconstruct_alloc(struct bch_fs *c)
c->recovery_passes_explicit |= bch2_recovery_passes_from_stable(le64_to_cpu(ext->recovery_passes_required[0]));
- struct journal_keys *keys = &c->journal_keys;
- size_t src, dst;
-
- move_gap(keys, keys->nr);
- for (src = 0, dst = 0; src < keys->nr; src++)
- if (!btree_id_is_alloc(keys->data[src].btree_id))
- keys->data[dst++] = keys->data[src];
- keys->nr = keys->gap = dst;
+ bch2_shoot_down_journal_keys(c, BTREE_ID_alloc,
+ 0, BTREE_MAX_DEPTH, POS_MIN, SPOS_MAX);
+ bch2_shoot_down_journal_keys(c, BTREE_ID_backpointers,
+ 0, BTREE_MAX_DEPTH, POS_MIN, SPOS_MAX);
+ bch2_shoot_down_journal_keys(c, BTREE_ID_need_discard,
+ 0, BTREE_MAX_DEPTH, POS_MIN, SPOS_MAX);
+ bch2_shoot_down_journal_keys(c, BTREE_ID_freespace,
+ 0, BTREE_MAX_DEPTH, POS_MIN, SPOS_MAX);
+ bch2_shoot_down_journal_keys(c, BTREE_ID_bucket_gens,
+ 0, BTREE_MAX_DEPTH, POS_MIN, SPOS_MAX);
}
/*
@@ -731,7 +733,7 @@ int bch2_fs_recovery(struct bch_fs *c)
c->journal_replay_seq_end = blacklist_seq - 1;
if (c->opts.reconstruct_alloc)
- do_reconstruct_alloc(c);
+ bch2_reconstruct_alloc(c);
zero_out_btree_mem_ptr(&c->journal_keys);
--
GitLab
From ca1e02f7e9a1352b3f7b04de821ae74c9e07df74 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 22 Mar 2024 19:26:33 -0400
Subject: [PATCH 2061/2686] bcachefs: Etyzinger cleanups
Pull out eytzinger.c and kill eytzinger_cmp_fn. We now provide
eytzinger0_sort and eytzinger0_sort_r, which use the standard cmp_func_t
and cmp_r_func_t callbacks.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/Makefile | 1 +
fs/bcachefs/eytzinger.c | 234 ++++++++++++++++++++++++++++
fs/bcachefs/eytzinger.h | 63 ++++----
fs/bcachefs/journal_seq_blacklist.c | 3 +-
fs/bcachefs/replicas.c | 19 ++-
fs/bcachefs/util.c | 143 -----------------
fs/bcachefs/util.h | 4 -
7 files changed, 285 insertions(+), 182 deletions(-)
create mode 100644 fs/bcachefs/eytzinger.c
diff --git a/fs/bcachefs/Makefile b/fs/bcachefs/Makefile
index f6d86eb4b9765..0933493a322c4 100644
--- a/fs/bcachefs/Makefile
+++ b/fs/bcachefs/Makefile
@@ -37,6 +37,7 @@ bcachefs-y := \
error.o \
extents.o \
extent_update.o \
+ eytzinger.o \
fs.o \
fs-common.o \
fs-ioctl.o \
diff --git a/fs/bcachefs/eytzinger.c b/fs/bcachefs/eytzinger.c
new file mode 100644
index 0000000000000..4ce5e957a6e91
--- /dev/null
+++ b/fs/bcachefs/eytzinger.c
@@ -0,0 +1,234 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "eytzinger.h"
+
+/**
+ * is_aligned - is this pointer & size okay for word-wide copying?
+ * @base: pointer to data
+ * @size: size of each element
+ * @align: required alignment (typically 4 or 8)
+ *
+ * Returns true if elements can be copied using word loads and stores.
+ * The size must be a multiple of the alignment, and the base address must
+ * be if we do not have CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS.
+ *
+ * For some reason, gcc doesn't know to optimize "if (a & mask || b & mask)"
+ * to "if ((a | b) & mask)", so we do that by hand.
+ */
+__attribute_const__ __always_inline
+static bool is_aligned(const void *base, size_t size, unsigned char align)
+{
+ unsigned char lsbits = (unsigned char)size;
+
+ (void)base;
+#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+ lsbits |= (unsigned char)(uintptr_t)base;
+#endif
+ return (lsbits & (align - 1)) == 0;
+}
+
+/**
+ * swap_words_32 - swap two elements in 32-bit chunks
+ * @a: pointer to the first element to swap
+ * @b: pointer to the second element to swap
+ * @n: element size (must be a multiple of 4)
+ *
+ * Exchange the two objects in memory. This exploits base+index addressing,
+ * which basically all CPUs have, to minimize loop overhead computations.
+ *
+ * For some reason, on x86 gcc 7.3.0 adds a redundant test of n at the
+ * bottom of the loop, even though the zero flag is still valid from the
+ * subtract (since the intervening mov instructions don't alter the flags).
+ * Gcc 8.1.0 doesn't have that problem.
+ */
+static void swap_words_32(void *a, void *b, size_t n)
+{
+ do {
+ u32 t = *(u32 *)(a + (n -= 4));
+ *(u32 *)(a + n) = *(u32 *)(b + n);
+ *(u32 *)(b + n) = t;
+ } while (n);
+}
+
+/**
+ * swap_words_64 - swap two elements in 64-bit chunks
+ * @a: pointer to the first element to swap
+ * @b: pointer to the second element to swap
+ * @n: element size (must be a multiple of 8)
+ *
+ * Exchange the two objects in memory. This exploits base+index
+ * addressing, which basically all CPUs have, to minimize loop overhead
+ * computations.
+ *
+ * We'd like to use 64-bit loads if possible. If they're not, emulating
+ * one requires base+index+4 addressing which x86 has but most other
+ * processors do not. If CONFIG_64BIT, we definitely have 64-bit loads,
+ * but it's possible to have 64-bit loads without 64-bit pointers (e.g.
+ * x32 ABI). Are there any cases the kernel needs to worry about?
+ */
+static void swap_words_64(void *a, void *b, size_t n)
+{
+ do {
+#ifdef CONFIG_64BIT
+ u64 t = *(u64 *)(a + (n -= 8));
+ *(u64 *)(a + n) = *(u64 *)(b + n);
+ *(u64 *)(b + n) = t;
+#else
+ /* Use two 32-bit transfers to avoid base+index+4 addressing */
+ u32 t = *(u32 *)(a + (n -= 4));
+ *(u32 *)(a + n) = *(u32 *)(b + n);
+ *(u32 *)(b + n) = t;
+
+ t = *(u32 *)(a + (n -= 4));
+ *(u32 *)(a + n) = *(u32 *)(b + n);
+ *(u32 *)(b + n) = t;
+#endif
+ } while (n);
+}
+
+/**
+ * swap_bytes - swap two elements a byte at a time
+ * @a: pointer to the first element to swap
+ * @b: pointer to the second element to swap
+ * @n: element size
+ *
+ * This is the fallback if alignment doesn't allow using larger chunks.
+ */
+static void swap_bytes(void *a, void *b, size_t n)
+{
+ do {
+ char t = ((char *)a)[--n];
+ ((char *)a)[n] = ((char *)b)[n];
+ ((char *)b)[n] = t;
+ } while (n);
+}
+
+/*
+ * The values are arbitrary as long as they can't be confused with
+ * a pointer, but small integers make for the smallest compare
+ * instructions.
+ */
+#define SWAP_WORDS_64 (swap_r_func_t)0
+#define SWAP_WORDS_32 (swap_r_func_t)1
+#define SWAP_BYTES (swap_r_func_t)2
+#define SWAP_WRAPPER (swap_r_func_t)3
+
+struct wrapper {
+ cmp_func_t cmp;
+ swap_func_t swap;
+};
+
+/*
+ * The function pointer is last to make tail calls most efficient if the
+ * compiler decides not to inline this function.
+ */
+static void do_swap(void *a, void *b, size_t size, swap_r_func_t swap_func, const void *priv)
+{
+ if (swap_func == SWAP_WRAPPER) {
+ ((const struct wrapper *)priv)->swap(a, b, (int)size);
+ return;
+ }
+
+ if (swap_func == SWAP_WORDS_64)
+ swap_words_64(a, b, size);
+ else if (swap_func == SWAP_WORDS_32)
+ swap_words_32(a, b, size);
+ else if (swap_func == SWAP_BYTES)
+ swap_bytes(a, b, size);
+ else
+ swap_func(a, b, (int)size, priv);
+}
+
+#define _CMP_WRAPPER ((cmp_r_func_t)0L)
+
+static int do_cmp(const void *a, const void *b, cmp_r_func_t cmp, const void *priv)
+{
+ if (cmp == _CMP_WRAPPER)
+ return ((const struct wrapper *)priv)->cmp(a, b);
+ return cmp(a, b, priv);
+}
+
+static inline int eytzinger0_do_cmp(void *base, size_t n, size_t size,
+ cmp_r_func_t cmp_func, const void *priv,
+ size_t l, size_t r)
+{
+ return do_cmp(base + inorder_to_eytzinger0(l, n) * size,
+ base + inorder_to_eytzinger0(r, n) * size,
+ cmp_func, priv);
+}
+
+static inline void eytzinger0_do_swap(void *base, size_t n, size_t size,
+ swap_r_func_t swap_func, const void *priv,
+ size_t l, size_t r)
+{
+ do_swap(base + inorder_to_eytzinger0(l, n) * size,
+ base + inorder_to_eytzinger0(r, n) * size,
+ size, swap_func, priv);
+}
+
+void eytzinger0_sort_r(void *base, size_t n, size_t size,
+ cmp_r_func_t cmp_func,
+ swap_r_func_t swap_func,
+ const void *priv)
+{
+ int i, c, r;
+
+ /* called from 'sort' without swap function, let's pick the default */
+ if (swap_func == SWAP_WRAPPER && !((struct wrapper *)priv)->swap)
+ swap_func = NULL;
+
+ if (!swap_func) {
+ if (is_aligned(base, size, 8))
+ swap_func = SWAP_WORDS_64;
+ else if (is_aligned(base, size, 4))
+ swap_func = SWAP_WORDS_32;
+ else
+ swap_func = SWAP_BYTES;
+ }
+
+ /* heapify */
+ for (i = n / 2 - 1; i >= 0; --i) {
+ for (r = i; r * 2 + 1 < n; r = c) {
+ c = r * 2 + 1;
+
+ if (c + 1 < n &&
+ eytzinger0_do_cmp(base, n, size, cmp_func, priv, c, c + 1) < 0)
+ c++;
+
+ if (eytzinger0_do_cmp(base, n, size, cmp_func, priv, r, c) >= 0)
+ break;
+
+ eytzinger0_do_swap(base, n, size, swap_func, priv, r, c);
+ }
+ }
+
+ /* sort */
+ for (i = n - 1; i > 0; --i) {
+ eytzinger0_do_swap(base, n, size, swap_func, priv, 0, i);
+
+ for (r = 0; r * 2 + 1 < i; r = c) {
+ c = r * 2 + 1;
+
+ if (c + 1 < i &&
+ eytzinger0_do_cmp(base, n, size, cmp_func, priv, c, c + 1) < 0)
+ c++;
+
+ if (eytzinger0_do_cmp(base, n, size, cmp_func, priv, r, c) >= 0)
+ break;
+
+ eytzinger0_do_swap(base, n, size, swap_func, priv, r, c);
+ }
+ }
+}
+
+void eytzinger0_sort(void *base, size_t n, size_t size,
+ cmp_func_t cmp_func,
+ swap_func_t swap_func)
+{
+ struct wrapper w = {
+ .cmp = cmp_func,
+ .swap = swap_func,
+ };
+
+ return eytzinger0_sort_r(base, n, size, _CMP_WRAPPER, SWAP_WRAPPER, &w);
+}
diff --git a/fs/bcachefs/eytzinger.h b/fs/bcachefs/eytzinger.h
index b04750dbf870b..ee0e2df33322d 100644
--- a/fs/bcachefs/eytzinger.h
+++ b/fs/bcachefs/eytzinger.h
@@ -5,23 +5,33 @@
#include <linux/bitops.h>
#include <linux/log2.h>
-#include "util.h"
+#ifdef EYTZINGER_DEBUG
+#define EYTZINGER_BUG_ON(cond) BUG_ON(cond)
+#else
+#define EYTZINGER_BUG_ON(cond)
+#endif
/*
* Traversal for trees in eytzinger layout - a full binary tree layed out in an
- * array
- */
-
-/*
- * One based indexing version:
+ * array.
*
- * With one based indexing each level of the tree starts at a power of two -
- * good for cacheline alignment:
+ * Consider using an eytzinger tree any time you would otherwise be doing binary
+ * search over an array. Binary search is a worst case scenario for branch
+ * prediction and prefetching, but in an eytzinger tree every node's children
+ * are adjacent in memory, thus we can prefetch children before knowing the
+ * result of the comparison, assuming multiple nodes fit on a cacheline.
+ *
+ * Two variants are provided, for one based indexing and zero based indexing.
+ *
+ * Zero based indexing is more convenient, but one based indexing has better
+ * alignment and thus better performance because each new level of the tree
+ * starts at a power of two, and thus if element 0 was cacheline aligned, each
+ * new level will be as well.
*/
static inline unsigned eytzinger1_child(unsigned i, unsigned child)
{
- EBUG_ON(child > 1);
+ EYTZINGER_BUG_ON(child > 1);
return (i << 1) + child;
}
@@ -58,7 +68,7 @@ static inline unsigned eytzinger1_last(unsigned size)
static inline unsigned eytzinger1_next(unsigned i, unsigned size)
{
- EBUG_ON(i > size);
+ EYTZINGER_BUG_ON(i > size);
if (eytzinger1_right_child(i) <= size) {
i = eytzinger1_right_child(i);
@@ -74,7 +84,7 @@ static inline unsigned eytzinger1_next(unsigned i, unsigned size)
static inline unsigned eytzinger1_prev(unsigned i, unsigned size)
{
- EBUG_ON(i > size);
+ EYTZINGER_BUG_ON(i > size);
if (eytzinger1_left_child(i) <= size) {
i = eytzinger1_left_child(i) + 1;
@@ -101,7 +111,7 @@ static inline unsigned __eytzinger1_to_inorder(unsigned i, unsigned size,
unsigned shift = __fls(size) - b;
int s;
- EBUG_ON(!i || i > size);
+ EYTZINGER_BUG_ON(!i || i > size);
i ^= 1U << b;
i <<= 1;
@@ -126,7 +136,7 @@ static inline unsigned __inorder_to_eytzinger1(unsigned i, unsigned size,
unsigned shift;
int s;
- EBUG_ON(!i || i > size);
+ EYTZINGER_BUG_ON(!i || i > size);
/*
* sign bit trick:
@@ -164,7 +174,7 @@ static inline unsigned inorder_to_eytzinger1(unsigned i, unsigned size)
static inline unsigned eytzinger0_child(unsigned i, unsigned child)
{
- EBUG_ON(child > 1);
+ EYTZINGER_BUG_ON(child > 1);
return (i << 1) + 1 + child;
}
@@ -231,11 +241,9 @@ static inline unsigned inorder_to_eytzinger0(unsigned i, unsigned size)
(_i) != -1; \
(_i) = eytzinger0_next((_i), (_size)))
-typedef int (*eytzinger_cmp_fn)(const void *l, const void *r, size_t size);
-
/* return greatest node <= @search, or -1 if not found */
static inline ssize_t eytzinger0_find_le(void *base, size_t nr, size_t size,
- eytzinger_cmp_fn cmp, const void *search)
+ cmp_func_t cmp, const void *search)
{
unsigned i, n = 0;
@@ -244,21 +252,24 @@ static inline ssize_t eytzinger0_find_le(void *base, size_t nr, size_t size,
do {
i = n;
- n = eytzinger0_child(i, cmp(search, base + i * size, size) >= 0);
+ n = eytzinger0_child(i, cmp(base + i * size, search) <= 0);
} while (n < nr);
if (n & 1) {
/* @i was greater than @search, return previous node: */
-
- if (i == eytzinger0_first(nr))
- return -1;
-
return eytzinger0_prev(i, nr);
} else {
return i;
}
}
+static inline ssize_t eytzinger0_find_gt(void *base, size_t nr, size_t size,
+ cmp_func_t cmp, const void *search)
+{
+ ssize_t idx = eytzinger0_find_le(base, nr, size, cmp, search);
+ return eytzinger0_next(idx, size);
+}
+
#define eytzinger0_find(base, nr, size, _cmp, search) \
({ \
void *_base = (base); \
@@ -269,13 +280,13 @@ static inline ssize_t eytzinger0_find_le(void *base, size_t nr, size_t size,
int _res; \
\
while (_i < _nr && \
- (_res = _cmp(_search, _base + _i * _size, _size))) \
+ (_res = _cmp(_search, _base + _i * _size))) \
_i = eytzinger0_child(_i, _res > 0); \
_i; \
})
-void eytzinger0_sort(void *, size_t, size_t,
- int (*cmp_func)(const void *, const void *, size_t),
- void (*swap_func)(void *, void *, size_t));
+void eytzinger0_sort_r(void *, size_t, size_t,
+ cmp_r_func_t, swap_r_func_t, const void *);
+void eytzinger0_sort(void *, size_t, size_t, cmp_func_t, swap_func_t);
#endif /* _EYTZINGER_H */
diff --git a/fs/bcachefs/journal_seq_blacklist.c b/fs/bcachefs/journal_seq_blacklist.c
index b5303874fc35b..37a024e034d49 100644
--- a/fs/bcachefs/journal_seq_blacklist.c
+++ b/fs/bcachefs/journal_seq_blacklist.c
@@ -95,8 +95,7 @@ int bch2_journal_seq_blacklist_add(struct bch_fs *c, u64 start, u64 end)
return ret ?: bch2_blacklist_table_initialize(c);
}
-static int journal_seq_blacklist_table_cmp(const void *_l,
- const void *_r, size_t size)
+static int journal_seq_blacklist_table_cmp(const void *_l, const void *_r)
{
const struct journal_seq_blacklist_table_entry *l = _l;
const struct journal_seq_blacklist_table_entry *r = _r;
diff --git a/fs/bcachefs/replicas.c b/fs/bcachefs/replicas.c
index cc2672c120312..678b9c20e2514 100644
--- a/fs/bcachefs/replicas.c
+++ b/fs/bcachefs/replicas.c
@@ -6,12 +6,15 @@
#include "replicas.h"
#include "super-io.h"
+#include <linux/sort.h>
+
static int bch2_cpu_replicas_to_sb_replicas(struct bch_fs *,
struct bch_replicas_cpu *);
/* Some (buggy!) compilers don't allow memcmp to be passed as a pointer */
-static int bch2_memcmp(const void *l, const void *r, size_t size)
+static int bch2_memcmp(const void *l, const void *r, const void *priv)
{
+ size_t size = (size_t) priv;
return memcmp(l, r, size);
}
@@ -39,7 +42,8 @@ void bch2_replicas_entry_sort(struct bch_replicas_entry_v1 *e)
static void bch2_cpu_replicas_sort(struct bch_replicas_cpu *r)
{
- eytzinger0_sort(r->entries, r->nr, r->entry_size, bch2_memcmp, NULL);
+ eytzinger0_sort_r(r->entries, r->nr, r->entry_size,
+ bch2_memcmp, NULL, (void *)(size_t)r->entry_size);
}
static void bch2_replicas_entry_v0_to_text(struct printbuf *out,
@@ -228,7 +232,7 @@ static inline int __replicas_entry_idx(struct bch_replicas_cpu *r,
verify_replicas_entry(search);
-#define entry_cmp(_l, _r, size) memcmp(_l, _r, entry_size)
+#define entry_cmp(_l, _r) memcmp(_l, _r, entry_size)
idx = eytzinger0_find(r->entries, r->nr, r->entry_size,
entry_cmp, search);
#undef entry_cmp
@@ -824,10 +828,11 @@ static int bch2_cpu_replicas_validate(struct bch_replicas_cpu *cpu_r,
{
unsigned i;
- sort_cmp_size(cpu_r->entries,
- cpu_r->nr,
- cpu_r->entry_size,
- bch2_memcmp, NULL);
+ sort_r(cpu_r->entries,
+ cpu_r->nr,
+ cpu_r->entry_size,
+ bch2_memcmp, NULL,
+ (void *)(size_t)cpu_r->entry_size);
for (i = 0; i < cpu_r->nr; i++) {
struct bch_replicas_entry_v1 *e =
diff --git a/fs/bcachefs/util.c b/fs/bcachefs/util.c
index 216fadf16928b..92c6ad75e702a 100644
--- a/fs/bcachefs/util.c
+++ b/fs/bcachefs/util.c
@@ -707,149 +707,6 @@ void memcpy_from_bio(void *dst, struct bio *src, struct bvec_iter src_iter)
}
}
-static int alignment_ok(const void *base, size_t align)
-{
- return IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) ||
- ((unsigned long)base & (align - 1)) == 0;
-}
-
-static void u32_swap(void *a, void *b, size_t size)
-{
- u32 t = *(u32 *)a;
- *(u32 *)a = *(u32 *)b;
- *(u32 *)b = t;
-}
-
-static void u64_swap(void *a, void *b, size_t size)
-{
- u64 t = *(u64 *)a;
- *(u64 *)a = *(u64 *)b;
- *(u64 *)b = t;
-}
-
-static void generic_swap(void *a, void *b, size_t size)
-{
- char t;
-
- do {
- t = *(char *)a;
- *(char *)a++ = *(char *)b;
- *(char *)b++ = t;
- } while (--size > 0);
-}
-
-static inline int do_cmp(void *base, size_t n, size_t size,
- int (*cmp_func)(const void *, const void *, size_t),
- size_t l, size_t r)
-{
- return cmp_func(base + inorder_to_eytzinger0(l, n) * size,
- base + inorder_to_eytzinger0(r, n) * size,
- size);
-}
-
-static inline void do_swap(void *base, size_t n, size_t size,
- void (*swap_func)(void *, void *, size_t),
- size_t l, size_t r)
-{
- swap_func(base + inorder_to_eytzinger0(l, n) * size,
- base + inorder_to_eytzinger0(r, n) * size,
- size);
-}
-
-void eytzinger0_sort(void *base, size_t n, size_t size,
- int (*cmp_func)(const void *, const void *, size_t),
- void (*swap_func)(void *, void *, size_t))
-{
- int i, c, r;
-
- if (!swap_func) {
- if (size == 4 && alignment_ok(base, 4))
- swap_func = u32_swap;
- else if (size == 8 && alignment_ok(base, 8))
- swap_func = u64_swap;
- else
- swap_func = generic_swap;
- }
-
- /* heapify */
- for (i = n / 2 - 1; i >= 0; --i) {
- for (r = i; r * 2 + 1 < n; r = c) {
- c = r * 2 + 1;
-
- if (c + 1 < n &&
- do_cmp(base, n, size, cmp_func, c, c + 1) < 0)
- c++;
-
- if (do_cmp(base, n, size, cmp_func, r, c) >= 0)
- break;
-
- do_swap(base, n, size, swap_func, r, c);
- }
- }
-
- /* sort */
- for (i = n - 1; i > 0; --i) {
- do_swap(base, n, size, swap_func, 0, i);
-
- for (r = 0; r * 2 + 1 < i; r = c) {
- c = r * 2 + 1;
-
- if (c + 1 < i &&
- do_cmp(base, n, size, cmp_func, c, c + 1) < 0)
- c++;
-
- if (do_cmp(base, n, size, cmp_func, r, c) >= 0)
- break;
-
- do_swap(base, n, size, swap_func, r, c);
- }
- }
-}
-
-void sort_cmp_size(void *base, size_t num, size_t size,
- int (*cmp_func)(const void *, const void *, size_t),
- void (*swap_func)(void *, void *, size_t size))
-{
- /* pre-scale counters for performance */
- int i = (num/2 - 1) * size, n = num * size, c, r;
-
- if (!swap_func) {
- if (size == 4 && alignment_ok(base, 4))
- swap_func = u32_swap;
- else if (size == 8 && alignment_ok(base, 8))
- swap_func = u64_swap;
- else
- swap_func = generic_swap;
- }
-
- /* heapify */
- for ( ; i >= 0; i -= size) {
- for (r = i; r * 2 + size < n; r = c) {
- c = r * 2 + size;
- if (c < n - size &&
- cmp_func(base + c, base + c + size, size) < 0)
- c += size;
- if (cmp_func(base + r, base + c, size) >= 0)
- break;
- swap_func(base + r, base + c, size);
- }
- }
-
- /* sort */
- for (i = n - size; i > 0; i -= size) {
- swap_func(base, base + i, size);
- for (r = 0; r * 2 + size < i; r = c) {
- c = r * 2 + size;
- if (c < i - size &&
- cmp_func(base + c, base + c + size, size) < 0)
- c += size;
- if (cmp_func(base + r, base + c, size) >= 0)
- break;
- swap_func(base + r, base + c, size);
- }
- }
-}
-
#if 0
void eytzinger1_test(void)
{
diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h
index 4577c0789a3a7..b7e7c29278fc0 100644
--- a/fs/bcachefs/util.h
+++ b/fs/bcachefs/util.h
@@ -631,10 +631,6 @@ static inline void memset_u64s_tail(void *s, int c, unsigned bytes)
memset(s + bytes, c, rem);
}
-void sort_cmp_size(void *base, size_t num, size_t size,
- int (*cmp_func)(const void *, const void *, size_t),
- void (*swap_func)(void *, void *, size_t));
-
/* just the memmove, doesn't update @_nr */
#define __array_insert_item(_array, _nr, _pos) \
memmove(&(_array)[(_pos) + 1], \
--
GitLab
From f2f61f4192de536fa36bebe49dc2c241213b53ee Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 14 Mar 2024 22:17:40 -0400
Subject: [PATCH 2062/2686] bcachefs: bch2_btree_root_alloc() ->
bch2_btree_root_alloc_fake()
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_update_interior.c | 8 ++++----
fs/bcachefs/btree_update_interior.h | 2 +-
fs/bcachefs/recovery.c | 4 ++--
3 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 2b46e6ad248ac..32397b99752fd 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -2466,7 +2466,7 @@ void bch2_btree_set_root_for_read(struct bch_fs *c, struct btree *b)
bch2_btree_set_root_inmem(c, b);
}
-static int __bch2_btree_root_alloc(struct btree_trans *trans, enum btree_id id)
+static int __bch2_btree_root_alloc_fake(struct btree_trans *trans, enum btree_id id, unsigned level)
{
struct bch_fs *c = trans->c;
struct closure cl;
@@ -2485,7 +2485,7 @@ static int __bch2_btree_root_alloc(struct btree_trans *trans, enum btree_id id)
set_btree_node_fake(b);
set_btree_node_need_rewrite(b);
- b->c.level = 0;
+ b->c.level = level;
b->c.btree_id = id;
bkey_btree_ptr_init(&b->key);
@@ -2512,9 +2512,9 @@ static int __bch2_btree_root_alloc(struct btree_trans *trans, enum btree_id id)
return 0;
}
-void bch2_btree_root_alloc(struct bch_fs *c, enum btree_id id)
+void bch2_btree_root_alloc_fake(struct bch_fs *c, enum btree_id id, unsigned level)
{
- bch2_trans_run(c, __bch2_btree_root_alloc(trans, id));
+ bch2_trans_run(c, __bch2_btree_root_alloc_fake(trans, id, level));
}
static void bch2_btree_update_to_text(struct printbuf *out, struct btree_update *as)
diff --git a/fs/bcachefs/btree_update_interior.h b/fs/bcachefs/btree_update_interior.h
index 1d41d3f4b107c..88dcf5a22a3bd 100644
--- a/fs/bcachefs/btree_update_interior.h
+++ b/fs/bcachefs/btree_update_interior.h
@@ -171,7 +171,7 @@ int bch2_btree_node_update_key_get_iter(struct btree_trans *, struct btree *,
struct bkey_i *, unsigned, bool);
void bch2_btree_set_root_for_read(struct bch_fs *, struct btree *);
-void bch2_btree_root_alloc(struct bch_fs *, enum btree_id);
+void bch2_btree_root_alloc_fake(struct bch_fs *, enum btree_id, unsigned);
static inline unsigned btree_update_reserve_required(struct bch_fs *c,
struct btree *b)
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index 7cbf30e3ef73b..f234de0ac834d 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -476,7 +476,7 @@ static int read_btree_roots(struct bch_fs *c)
if (!r->b) {
r->alive = false;
r->level = 0;
- bch2_btree_root_alloc(c, i);
+ bch2_btree_root_alloc_fake(c, i, 0);
}
}
fsck_err:
@@ -929,7 +929,7 @@ int bch2_fs_initialize(struct bch_fs *c)
set_bit(BCH_FS_may_go_rw, &c->flags);
for (unsigned i = 0; i < BTREE_ID_NR; i++)
- bch2_btree_root_alloc(c, i);
+ bch2_btree_root_alloc_fake(c, i, 0);
for_each_member_device(c, ca)
bch2_dev_usage_init(ca);
--
GitLab
From b268aa4e7fb8be3c50e25a09008fb2feed2cd345 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sun, 10 Mar 2024 16:18:41 -0400
Subject: [PATCH 2063/2686] bcachefs: Don't skip fake btree roots in fsck
When a btree root is unreadable, we might still have keys fro the
journal to walk and mark.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_gc.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/fs/bcachefs/btree_gc.c b/fs/bcachefs/btree_gc.c
index e5d2c6daa663d..9db9c8a5beaa0 100644
--- a/fs/bcachefs/btree_gc.c
+++ b/fs/bcachefs/btree_gc.c
@@ -931,9 +931,6 @@ static int bch2_gc_btree_init(struct btree_trans *trans,
b = bch2_btree_id_root(c, btree_id)->b;
- if (btree_node_fake(b))
- return 0;
-
six_lock_read(&b->c.lock, NULL, NULL);
printbuf_reset(&buf);
bch2_bpos_to_text(&buf, b->data->min_key);
--
GitLab
From 4409b8081d1624af814a9cda781ad9cdda3973cb Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Mon, 11 Mar 2024 23:11:46 -0400
Subject: [PATCH 2064/2686] bcachefs: Repair pass for scanning for btree nodes
If a btree root or interior btree node goes bad, we're going to lose a
lot of data, unless we can recover the nodes that it pointed to by
scanning.
Fortunately btree node headers are fully self describing, and
additionally the magic number is xored with the filesytem UUID, so we
can do so safely.
This implements the scanning - next patch will rework topology repair to
make use of the found nodes.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/Makefile | 1 +
fs/bcachefs/bcachefs.h | 3 +
fs/bcachefs/btree_node_scan.c | 495 ++++++++++++++++++++++++++++
fs/bcachefs/btree_node_scan.h | 11 +
fs/bcachefs/btree_node_scan_types.h | 30 ++
fs/bcachefs/extents.c | 52 +--
fs/bcachefs/extents.h | 1 +
fs/bcachefs/opts.h | 4 +-
fs/bcachefs/recovery.c | 54 +--
fs/bcachefs/recovery_passes.c | 1 +
fs/bcachefs/recovery_passes_types.h | 1 +
fs/bcachefs/super.c | 3 +
12 files changed, 605 insertions(+), 51 deletions(-)
create mode 100644 fs/bcachefs/btree_node_scan.c
create mode 100644 fs/bcachefs/btree_node_scan.h
create mode 100644 fs/bcachefs/btree_node_scan_types.h
diff --git a/fs/bcachefs/Makefile b/fs/bcachefs/Makefile
index 0933493a322c4..66ca0bbee6394 100644
--- a/fs/bcachefs/Makefile
+++ b/fs/bcachefs/Makefile
@@ -17,6 +17,7 @@ bcachefs-y := \
btree_journal_iter.o \
btree_key_cache.o \
btree_locking.o \
+ btree_node_scan.o \
btree_trans_commit.o \
btree_update.o \
btree_update_interior.o \
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index 963162a627cd6..93a61dbaa3d86 100644
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -456,6 +456,7 @@ enum bch_time_stats {
#include "alloc_types.h"
#include "btree_types.h"
+#include "btree_node_scan_types.h"
#include "btree_write_buffer_types.h"
#include "buckets_types.h"
#include "buckets_waiting_for_journal_types.h"
@@ -1103,6 +1104,8 @@ struct bch_fs {
struct journal_keys journal_keys;
struct list_head journal_iters;
+ struct find_btree_nodes found_btree_nodes;
+
u64 last_bucket_seq_cleanup;
u64 counters_on_mount[BCH_COUNTER_NR];
diff --git a/fs/bcachefs/btree_node_scan.c b/fs/bcachefs/btree_node_scan.c
new file mode 100644
index 0000000000000..3f33be7e5e5c2
--- /dev/null
+++ b/fs/bcachefs/btree_node_scan.c
@@ -0,0 +1,495 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "bcachefs.h"
+#include "btree_cache.h"
+#include "btree_io.h"
+#include "btree_journal_iter.h"
+#include "btree_node_scan.h"
+#include "btree_update_interior.h"
+#include "buckets.h"
+#include "error.h"
+#include "journal_io.h"
+#include "recovery_passes.h"
+
+#include <linux/kthread.h>
+#include <linux/sort.h>
+
+struct find_btree_nodes_worker {
+ struct closure *cl;
+ struct find_btree_nodes *f;
+ struct bch_dev *ca;
+};
+
+static void found_btree_node_to_text(struct printbuf *out, struct bch_fs *c, const struct found_btree_node *n)
+{
+ prt_printf(out, "%s l=%u seq=%u cookie=%llx ", bch2_btree_id_str(n->btree_id), n->level, n->seq, n->cookie);
+ bch2_bpos_to_text(out, n->min_key);
+ prt_str(out, "-");
+ bch2_bpos_to_text(out, n->max_key);
+
+ if (n->range_updated)
+ prt_str(out, " range updated");
+ if (n->overwritten)
+ prt_str(out, " overwritten");
+
+ for (unsigned i = 0; i < n->nr_ptrs; i++) {
+ prt_char(out, ' ');
+ bch2_extent_ptr_to_text(out, c, n->ptrs + i);
+ }
+}
+
+static void found_btree_nodes_to_text(struct printbuf *out, struct bch_fs *c, found_btree_nodes nodes)
+{
+ printbuf_indent_add(out, 2);
+ darray_for_each(nodes, i) {
+ found_btree_node_to_text(out, c, i);
+ prt_newline(out);
+ }
+ printbuf_indent_sub(out, 2);
+}
+
+static void found_btree_node_to_key(struct bkey_i *k, const struct found_btree_node *f)
+{
+ struct bkey_i_btree_ptr_v2 *bp = bkey_btree_ptr_v2_init(k);
+
+ set_bkey_val_u64s(&bp->k, sizeof(struct bch_btree_ptr_v2) / sizeof(u64) + f->nr_ptrs);
+ bp->k.p = f->max_key;
+ bp->v.seq = cpu_to_le64(f->cookie);
+ bp->v.sectors_written = 0;
+ bp->v.flags = 0;
+ bp->v.min_key = f->min_key;
+ SET_BTREE_PTR_RANGE_UPDATED(&bp->v, f->range_updated);
+ memcpy(bp->v.start, f->ptrs, sizeof(struct bch_extent_ptr) * f->nr_ptrs);
+}
+
+static bool found_btree_node_is_readable(struct btree_trans *trans,
+ const struct found_btree_node *f)
+{
+ struct { __BKEY_PADDED(k, BKEY_BTREE_PTR_VAL_U64s_MAX); } k;
+
+ found_btree_node_to_key(&k.k, f);
+
+ struct btree *b = bch2_btree_node_get_noiter(trans, &k.k, f->btree_id, f->level, false);
+ bool ret = !IS_ERR_OR_NULL(b);
+ if (ret)
+ six_unlock_read(&b->c.lock);
+
+ /*
+ * We might update this node's range; if that happens, we need the node
+ * to be re-read so the read path can trim keys that are no longer in
+ * this node
+ */
+ if (b != btree_node_root(trans->c, b))
+ bch2_btree_node_evict(trans, &k.k);
+ return ret;
+}
+
+static int found_btree_node_cmp_cookie(const void *_l, const void *_r)
+{
+ const struct found_btree_node *l = _l;
+ const struct found_btree_node *r = _r;
+
+ return cmp_int(l->btree_id, r->btree_id) ?:
+ cmp_int(l->level, r->level) ?:
+ cmp_int(l->cookie, r->cookie);
+}
+
+/*
+ * Given two found btree nodes, if their sequence numbers are equal, take the
+ * one that's readable:
+ */
+static int found_btree_node_cmp_time(const struct found_btree_node *l,
+ const struct found_btree_node *r)
+{
+ return cmp_int(l->seq, r->seq);
+}
+
+static int found_btree_node_cmp_pos(const void *_l, const void *_r)
+{
+ const struct found_btree_node *l = _l;
+ const struct found_btree_node *r = _r;
+
+ return cmp_int(l->btree_id, r->btree_id) ?:
+ -cmp_int(l->level, r->level) ?:
+ bpos_cmp(l->min_key, r->min_key) ?:
+ -found_btree_node_cmp_time(l, r);
+}
+
+static void try_read_btree_node(struct find_btree_nodes *f, struct bch_dev *ca,
+ struct bio *bio, struct btree_node *bn, u64 offset)
+{
+ struct bch_fs *c = container_of(f, struct bch_fs, found_btree_nodes);
+
+ bio_reset(bio, ca->disk_sb.bdev, REQ_OP_READ);
+ bio->bi_iter.bi_sector = offset;
+ bch2_bio_map(bio, bn, PAGE_SIZE);
+
+ submit_bio_wait(bio);
+ if (bch2_dev_io_err_on(bio->bi_status, ca, BCH_MEMBER_ERROR_read,
+ "IO error in try_read_btree_node() at %llu: %s",
+ offset, bch2_blk_status_to_str(bio->bi_status)))
+ return;
+
+ if (le64_to_cpu(bn->magic) != bset_magic(c))
+ return;
+
+ rcu_read_lock();
+ struct found_btree_node n = {
+ .btree_id = BTREE_NODE_ID(bn),
+ .level = BTREE_NODE_LEVEL(bn),
+ .seq = BTREE_NODE_SEQ(bn),
+ .cookie = le64_to_cpu(bn->keys.seq),
+ .min_key = bn->min_key,
+ .max_key = bn->max_key,
+ .nr_ptrs = 1,
+ .ptrs[0].type = 1 << BCH_EXTENT_ENTRY_ptr,
+ .ptrs[0].offset = offset,
+ .ptrs[0].dev = ca->dev_idx,
+ .ptrs[0].gen = *bucket_gen(ca, sector_to_bucket(ca, offset)),
+ };
+ rcu_read_unlock();
+
+ if (bch2_trans_run(c, found_btree_node_is_readable(trans, &n))) {
+ mutex_lock(&f->lock);
+ if (BSET_BIG_ENDIAN(&bn->keys) != CPU_BIG_ENDIAN) {
+ bch_err(c, "try_read_btree_node() can't handle endian conversion");
+ f->ret = -EINVAL;
+ goto unlock;
+ }
+
+ if (darray_push(&f->nodes, n))
+ f->ret = -ENOMEM;
+unlock:
+ mutex_unlock(&f->lock);
+ }
+}
+
+static int read_btree_nodes_worker(void *p)
+{
+ struct find_btree_nodes_worker *w = p;
+ struct bch_fs *c = container_of(w->f, struct bch_fs, found_btree_nodes);
+ struct bch_dev *ca = w->ca;
+ void *buf = (void *) __get_free_page(GFP_KERNEL);
+ struct bio *bio = bio_alloc(NULL, 1, 0, GFP_KERNEL);
+ unsigned long last_print = jiffies;
+
+ if (!buf || !bio) {
+ bch_err(c, "read_btree_nodes_worker: error allocating bio/buf");
+ w->f->ret = -ENOMEM;
+ goto err;
+ }
+
+ for (u64 bucket = ca->mi.first_bucket; bucket < ca->mi.nbuckets; bucket++)
+ for (unsigned bucket_offset = 0;
+ bucket_offset + btree_sectors(c) <= ca->mi.bucket_size;
+ bucket_offset += btree_sectors(c)) {
+ if (time_after(jiffies, last_print + HZ * 30)) {
+ u64 cur_sector = bucket * ca->mi.bucket_size + bucket_offset;
+ u64 end_sector = ca->mi.nbuckets * ca->mi.bucket_size;
+
+ bch_info(ca, "%s: %2u%% done", __func__,
+ (unsigned) div64_u64(cur_sector * 100, end_sector));
+ last_print = jiffies;
+ }
+
+ try_read_btree_node(w->f, ca, bio, buf,
+ bucket * ca->mi.bucket_size + bucket_offset);
+ }
+err:
+ bio_put(bio);
+ free_page((unsigned long) buf);
+ percpu_ref_get(&ca->io_ref);
+ closure_put(w->cl);
+ kfree(w);
+ return 0;
+}
+
+static int read_btree_nodes(struct find_btree_nodes *f)
+{
+ struct bch_fs *c = container_of(f, struct bch_fs, found_btree_nodes);
+ struct closure cl;
+ int ret = 0;
+
+ closure_init_stack(&cl);
+
+ for_each_online_member(c, ca) {
+ struct find_btree_nodes_worker *w = kmalloc(sizeof(*w), GFP_KERNEL);
+ struct task_struct *t;
+
+ if (!w) {
+ percpu_ref_put(&ca->io_ref);
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ percpu_ref_get(&ca->io_ref);
+ closure_get(&cl);
+ w->cl = &cl;
+ w->f = f;
+ w->ca = ca;
+
+ t = kthread_run(read_btree_nodes_worker, w, "read_btree_nodes/%s", ca->name);
+ ret = IS_ERR_OR_NULL(t);
+ if (ret) {
+ percpu_ref_put(&ca->io_ref);
+ closure_put(&cl);
+ f->ret = ret;
+ bch_err(c, "error starting kthread: %i", ret);
+ break;
+ }
+ }
+err:
+ closure_sync(&cl);
+ return f->ret ?: ret;
+}
+
+static void bubble_up(struct found_btree_node *n, struct found_btree_node *end)
+{
+ while (n + 1 < end &&
+ found_btree_node_cmp_pos(n, n + 1) > 0) {
+ swap(n[0], n[1]);
+ n++;
+ }
+}
+
+static int handle_overwrites(struct bch_fs *c,
+ struct found_btree_node *start,
+ struct found_btree_node *end)
+{
+ struct found_btree_node *n;
+again:
+ for (n = start + 1;
+ n < end &&
+ n->btree_id == start->btree_id &&
+ n->level == start->level &&
+ bpos_lt(n->min_key, start->max_key);
+ n++) {
+ int cmp = found_btree_node_cmp_time(start, n);
+
+ if (cmp > 0) {
+ if (bpos_cmp(start->max_key, n->max_key) >= 0)
+ n->overwritten = true;
+ else {
+ n->range_updated = true;
+ n->min_key = bpos_successor(start->max_key);
+ n->range_updated = true;
+ bubble_up(n, end);
+ goto again;
+ }
+ } else if (cmp < 0) {
+ BUG_ON(bpos_cmp(n->min_key, start->min_key) <= 0);
+
+ start->max_key = bpos_predecessor(n->min_key);
+ start->range_updated = true;
+ } else {
+ struct printbuf buf = PRINTBUF;
+
+ prt_str(&buf, "overlapping btree nodes with same seq! halting\n ");
+ found_btree_node_to_text(&buf, c, start);
+ prt_str(&buf, "\n ");
+ found_btree_node_to_text(&buf, c, n);
+ bch_err(c, "%s", buf.buf);
+ printbuf_exit(&buf);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+int bch2_scan_for_btree_nodes(struct bch_fs *c)
+{
+ struct find_btree_nodes *f = &c->found_btree_nodes;
+ struct printbuf buf = PRINTBUF;
+ size_t dst;
+ int ret = 0;
+
+ if (f->nodes.nr)
+ return 0;
+
+ mutex_init(&f->lock);
+
+ ret = read_btree_nodes(f);
+ if (ret)
+ return ret;
+
+ if (!f->nodes.nr) {
+ bch_err(c, "%s: no btree nodes found", __func__);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ if (0 && c->opts.verbose) {
+ printbuf_reset(&buf);
+ prt_printf(&buf, "%s: nodes found:\n", __func__);
+ found_btree_nodes_to_text(&buf, c, f->nodes);
+ bch2_print_string_as_lines(KERN_INFO, buf.buf);
+ }
+
+ sort(f->nodes.data, f->nodes.nr, sizeof(f->nodes.data[0]), found_btree_node_cmp_cookie, NULL);
+
+ dst = 0;
+ darray_for_each(f->nodes, i) {
+ struct found_btree_node *prev = dst ? f->nodes.data + dst - 1 : NULL;
+
+ if (prev &&
+ prev->cookie == i->cookie) {
+ if (prev->nr_ptrs == ARRAY_SIZE(prev->ptrs)) {
+ bch_err(c, "%s: found too many replicas for btree node", __func__);
+ ret = -EINVAL;
+ goto err;
+ }
+ prev->ptrs[prev->nr_ptrs++] = i->ptrs[0];
+ } else {
+ f->nodes.data[dst++] = *i;
+ }
+ }
+ f->nodes.nr = dst;
+
+ sort(f->nodes.data, f->nodes.nr, sizeof(f->nodes.data[0]), found_btree_node_cmp_pos, NULL);
+
+ if (0 && c->opts.verbose) {
+ printbuf_reset(&buf);
+ prt_printf(&buf, "%s: nodes after merging replicas:\n", __func__);
+ found_btree_nodes_to_text(&buf, c, f->nodes);
+ bch2_print_string_as_lines(KERN_INFO, buf.buf);
+ }
+
+ dst = 0;
+ darray_for_each(f->nodes, i) {
+ if (i->overwritten)
+ continue;
+
+ ret = handle_overwrites(c, i, &darray_top(f->nodes));
+ if (ret)
+ goto err;
+
+ BUG_ON(i->overwritten);
+ f->nodes.data[dst++] = *i;
+ }
+ f->nodes.nr = dst;
+
+ if (c->opts.verbose) {
+ printbuf_reset(&buf);
+ prt_printf(&buf, "%s: nodes found after overwrites:\n", __func__);
+ found_btree_nodes_to_text(&buf, c, f->nodes);
+ bch2_print_string_as_lines(KERN_INFO, buf.buf);
+ }
+
+ eytzinger0_sort(f->nodes.data, f->nodes.nr, sizeof(f->nodes.data[0]), found_btree_node_cmp_pos, NULL);
+err:
+ printbuf_exit(&buf);
+ return ret;
+}
+
+static int found_btree_node_range_start_cmp(const void *_l, const void *_r)
+{
+ const struct found_btree_node *l = _l;
+ const struct found_btree_node *r = _r;
+
+ return cmp_int(l->btree_id, r->btree_id) ?:
+ -cmp_int(l->level, r->level) ?:
+ bpos_cmp(l->max_key, r->min_key);
+}
+
+#define for_each_found_btree_node_in_range(_f, _search, _idx) \
+ for (size_t _idx = eytzinger0_find_gt((_f)->nodes.data, (_f)->nodes.nr, \
+ sizeof((_f)->nodes.data[0]), \
+ found_btree_node_range_start_cmp, &search); \
+ _idx < (_f)->nodes.nr && \
+ (_f)->nodes.data[_idx].btree_id == _search.btree_id && \
+ (_f)->nodes.data[_idx].level == _search.level && \
+ bpos_lt((_f)->nodes.data[_idx].min_key, _search.max_key); \
+ _idx = eytzinger0_next(_idx, (_f)->nodes.nr))
+
+bool bch2_btree_node_is_stale(struct bch_fs *c, struct btree *b)
+{
+ struct find_btree_nodes *f = &c->found_btree_nodes;
+
+ struct found_btree_node search = {
+ .btree_id = b->c.btree_id,
+ .level = b->c.level,
+ .min_key = b->data->min_key,
+ .max_key = b->key.k.p,
+ };
+
+ for_each_found_btree_node_in_range(f, search, idx)
+ if (f->nodes.data[idx].seq > BTREE_NODE_SEQ(b->data))
+ return true;
+ return false;
+}
+
+bool bch2_btree_has_scanned_nodes(struct bch_fs *c, enum btree_id btree)
+{
+ struct found_btree_node search = {
+ .btree_id = btree,
+ .level = 0,
+ .min_key = POS_MIN,
+ .max_key = SPOS_MAX,
+ };
+
+ for_each_found_btree_node_in_range(&c->found_btree_nodes, search, idx)
+ return true;
+ return false;
+}
+
+int bch2_get_scanned_nodes(struct bch_fs *c, enum btree_id btree,
+ unsigned level, struct bpos node_min, struct bpos node_max)
+{
+ struct find_btree_nodes *f = &c->found_btree_nodes;
+
+ int ret = bch2_run_explicit_recovery_pass(c, BCH_RECOVERY_PASS_scan_for_btree_nodes);
+ if (ret)
+ return ret;
+
+ if (c->opts.verbose) {
+ struct printbuf buf = PRINTBUF;
+
+ prt_printf(&buf, "recovering %s l=%u ", bch2_btree_id_str(btree), level);
+ bch2_bpos_to_text(&buf, node_min);
+ prt_str(&buf, " - ");
+ bch2_bpos_to_text(&buf, node_max);
+
+ bch_info(c, "%s(): %s", __func__, buf.buf);
+ printbuf_exit(&buf);
+ }
+
+ struct found_btree_node search = {
+ .btree_id = btree,
+ .level = level,
+ .min_key = node_min,
+ .max_key = node_max,
+ };
+
+ for_each_found_btree_node_in_range(f, search, idx) {
+ struct found_btree_node n = f->nodes.data[idx];
+
+ n.range_updated |= bpos_lt(n.min_key, node_min);
+ n.min_key = bpos_max(n.min_key, node_min);
+
+ n.range_updated |= bpos_gt(n.max_key, node_max);
+ n.max_key = bpos_min(n.max_key, node_max);
+
+ struct { __BKEY_PADDED(k, BKEY_BTREE_PTR_VAL_U64s_MAX); } tmp;
+
+ found_btree_node_to_key(&tmp.k, &n);
+
+ struct printbuf buf = PRINTBUF;
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&tmp.k));
+ bch_verbose(c, "%s(): recovering %s", __func__, buf.buf);
+ printbuf_exit(&buf);
+
+ BUG_ON(bch2_bkey_invalid(c, bkey_i_to_s_c(&tmp.k), BKEY_TYPE_btree, 0, NULL));
+
+ ret = bch2_journal_key_insert(c, btree, level + 1, &tmp.k);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+void bch2_find_btree_nodes_exit(struct find_btree_nodes *f)
+{
+ darray_exit(&f->nodes);
+}
diff --git a/fs/bcachefs/btree_node_scan.h b/fs/bcachefs/btree_node_scan.h
new file mode 100644
index 0000000000000..08687b209787b
--- /dev/null
+++ b/fs/bcachefs/btree_node_scan.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BCACHEFS_BTREE_NODE_SCAN_H
+#define _BCACHEFS_BTREE_NODE_SCAN_H
+
+int bch2_scan_for_btree_nodes(struct bch_fs *);
+bool bch2_btree_node_is_stale(struct bch_fs *, struct btree *);
+bool bch2_btree_has_scanned_nodes(struct bch_fs *, enum btree_id);
+int bch2_get_scanned_nodes(struct bch_fs *, enum btree_id, unsigned, struct bpos, struct bpos);
+void bch2_find_btree_nodes_exit(struct find_btree_nodes *);
+
+#endif /* _BCACHEFS_BTREE_NODE_SCAN_H */
diff --git a/fs/bcachefs/btree_node_scan_types.h b/fs/bcachefs/btree_node_scan_types.h
new file mode 100644
index 0000000000000..abb7b27d556a9
--- /dev/null
+++ b/fs/bcachefs/btree_node_scan_types.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BCACHEFS_BTREE_NODE_SCAN_TYPES_H
+#define _BCACHEFS_BTREE_NODE_SCAN_TYPES_H
+
+#include "darray.h"
+
+struct found_btree_node {
+ bool range_updated:1;
+ bool overwritten:1;
+ u8 btree_id;
+ u8 level;
+ u32 seq;
+ u64 cookie;
+
+ struct bpos min_key;
+ struct bpos max_key;
+
+ unsigned nr_ptrs;
+ struct bch_extent_ptr ptrs[BCH_REPLICAS_MAX];
+};
+
+typedef DARRAY(struct found_btree_node) found_btree_nodes;
+
+struct find_btree_nodes {
+ int ret;
+ struct mutex lock;
+ found_btree_nodes nodes;
+};
+
+#endif /* _BCACHEFS_BTREE_NODE_SCAN_TYPES_H */
diff --git a/fs/bcachefs/extents.c b/fs/bcachefs/extents.c
index b2432d88cda64..0e3ca99fbd2de 100644
--- a/fs/bcachefs/extents.c
+++ b/fs/bcachefs/extents.c
@@ -978,6 +978,31 @@ bool bch2_extent_normalize(struct bch_fs *c, struct bkey_s k)
return bkey_deleted(k.k);
}
+void bch2_extent_ptr_to_text(struct printbuf *out, struct bch_fs *c, const struct bch_extent_ptr *ptr)
+{
+ struct bch_dev *ca = c && ptr->dev < c->sb.nr_devices && c->devs[ptr->dev]
+ ? bch_dev_bkey_exists(c, ptr->dev)
+ : NULL;
+
+ if (!ca) {
+ prt_printf(out, "ptr: %u:%llu gen %u%s", ptr->dev,
+ (u64) ptr->offset, ptr->gen,
+ ptr->cached ? " cached" : "");
+ } else {
+ u32 offset;
+ u64 b = sector_to_bucket_and_offset(ca, ptr->offset, &offset);
+
+ prt_printf(out, "ptr: %u:%llu:%u gen %u",
+ ptr->dev, b, offset, ptr->gen);
+ if (ptr->cached)
+ prt_str(out, " cached");
+ if (ptr->unwritten)
+ prt_str(out, " unwritten");
+ if (ca && ptr_stale(ca, ptr))
+ prt_printf(out, " stale");
+ }
+}
+
void bch2_bkey_ptrs_to_text(struct printbuf *out, struct bch_fs *c,
struct bkey_s_c k)
{
@@ -993,31 +1018,10 @@ void bch2_bkey_ptrs_to_text(struct printbuf *out, struct bch_fs *c,
prt_printf(out, " ");
switch (__extent_entry_type(entry)) {
- case BCH_EXTENT_ENTRY_ptr: {
- const struct bch_extent_ptr *ptr = entry_to_ptr(entry);
- struct bch_dev *ca = c && ptr->dev < c->sb.nr_devices && c->devs[ptr->dev]
- ? bch_dev_bkey_exists(c, ptr->dev)
- : NULL;
-
- if (!ca) {
- prt_printf(out, "ptr: %u:%llu gen %u%s", ptr->dev,
- (u64) ptr->offset, ptr->gen,
- ptr->cached ? " cached" : "");
- } else {
- u32 offset;
- u64 b = sector_to_bucket_and_offset(ca, ptr->offset, &offset);
-
- prt_printf(out, "ptr: %u:%llu:%u gen %u",
- ptr->dev, b, offset, ptr->gen);
- if (ptr->cached)
- prt_str(out, " cached");
- if (ptr->unwritten)
- prt_str(out, " unwritten");
- if (ca && ptr_stale(ca, ptr))
- prt_printf(out, " stale");
- }
+ case BCH_EXTENT_ENTRY_ptr:
+ bch2_extent_ptr_to_text(out, c, entry_to_ptr(entry));
break;
- }
+
case BCH_EXTENT_ENTRY_crc32:
case BCH_EXTENT_ENTRY_crc64:
case BCH_EXTENT_ENTRY_crc128: {
diff --git a/fs/bcachefs/extents.h b/fs/bcachefs/extents.h
index 3fd0169b98c18..528e817eacbda 100644
--- a/fs/bcachefs/extents.h
+++ b/fs/bcachefs/extents.h
@@ -676,6 +676,7 @@ bch2_extent_has_ptr(struct bkey_s_c, struct extent_ptr_decoded, struct bkey_s);
void bch2_extent_ptr_set_cached(struct bkey_s, struct bch_extent_ptr *);
bool bch2_extent_normalize(struct bch_fs *, struct bkey_s);
+void bch2_extent_ptr_to_text(struct printbuf *out, struct bch_fs *, const struct bch_extent_ptr *);
void bch2_bkey_ptrs_to_text(struct printbuf *, struct bch_fs *,
struct bkey_s_c);
int bch2_bkey_ptrs_invalid(struct bch_fs *, struct bkey_s_c,
diff --git a/fs/bcachefs/opts.h b/fs/bcachefs/opts.h
index 084247c13bd8f..1ac4135cca1c3 100644
--- a/fs/bcachefs/opts.h
+++ b/fs/bcachefs/opts.h
@@ -368,11 +368,11 @@ enum fsck_err_opts {
OPT_STR_NOLIMIT(bch2_recovery_passes), \
BCH2_NO_SB_OPT, 0, \
NULL, "Exit recovery after specified pass") \
- x(keep_journal, u8, \
+ x(retain_recovery_info, u8, \
0, \
OPT_BOOL(), \
BCH2_NO_SB_OPT, false, \
- NULL, "Don't free journal entries/keys after startup")\
+ NULL, "Don't free journal entries/keys, scanned btree nodes after startup")\
x(read_entire_journal, u8, \
0, \
OPT_BOOL(), \
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index f234de0ac834d..24671020f22b1 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -4,6 +4,7 @@
#include "alloc_background.h"
#include "bkey_buf.h"
#include "btree_journal_iter.h"
+#include "btree_node_scan.h"
#include "btree_update.h"
#include "btree_update_interior.h"
#include "btree_io.h"
@@ -271,7 +272,7 @@ int bch2_journal_replay(struct bch_fs *c)
bch2_trans_put(trans);
trans = NULL;
- if (!c->opts.keep_journal &&
+ if (!c->opts.retain_recovery_info &&
c->recovery_pass_done >= BCH_RECOVERY_PASS_journal_replay)
bch2_journal_keys_put_initial(c);
@@ -435,10 +436,9 @@ static int journal_replay_early(struct bch_fs *c,
static int read_btree_roots(struct bch_fs *c)
{
- unsigned i;
int ret = 0;
- for (i = 0; i < btree_id_nr_alive(c); i++) {
+ for (unsigned i = 0; i < btree_id_nr_alive(c); i++) {
struct btree_root *r = bch2_btree_id_root(c, i);
if (!r->alive)
@@ -447,33 +447,36 @@ static int read_btree_roots(struct bch_fs *c)
if (btree_id_is_alloc(i) && c->opts.reconstruct_alloc)
continue;
- if (r->error) {
- __fsck_err(c,
- btree_id_is_alloc(i)
- ? FSCK_CAN_IGNORE : 0,
- btree_root_bkey_invalid,
- "invalid btree root %s",
- bch2_btree_id_str(i));
- if (i == BTREE_ID_alloc)
+ if (mustfix_fsck_err_on((ret = r->error),
+ c, btree_root_bkey_invalid,
+ "invalid btree root %s",
+ bch2_btree_id_str(i)) ||
+ mustfix_fsck_err_on((ret = r->error = bch2_btree_root_read(c, i, &r->key, r->level)),
+ c, btree_root_read_error,
+ "error reading btree root %s l=%u: %s",
+ bch2_btree_id_str(i), r->level, bch2_err_str(ret))) {
+ if (btree_id_is_alloc(i)) {
+ c->recovery_passes_explicit |= BIT_ULL(BCH_RECOVERY_PASS_check_allocations);
+ c->recovery_passes_explicit |= BIT_ULL(BCH_RECOVERY_PASS_check_alloc_info);
+ c->recovery_passes_explicit |= BIT_ULL(BCH_RECOVERY_PASS_check_lrus);
+ c->recovery_passes_explicit |= BIT_ULL(BCH_RECOVERY_PASS_check_extents_to_backpointers);
+ c->recovery_passes_explicit |= BIT_ULL(BCH_RECOVERY_PASS_check_alloc_to_lru_refs);
c->sb.compat &= ~(1ULL << BCH_COMPAT_alloc_info);
- }
+ r->error = 0;
+ } else if (!(c->recovery_passes_explicit & BIT_ULL(BCH_RECOVERY_PASS_scan_for_btree_nodes))) {
+ bch_info(c, "will run btree node scan");
+ c->recovery_passes_explicit |= BIT_ULL(BCH_RECOVERY_PASS_scan_for_btree_nodes);
+ c->recovery_passes_explicit |= BIT_ULL(BCH_RECOVERY_PASS_check_topology);
+ }
- ret = bch2_btree_root_read(c, i, &r->key, r->level);
- if (ret) {
- fsck_err(c,
- btree_root_read_error,
- "error reading btree root %s",
- bch2_btree_id_str(i));
- if (btree_id_is_alloc(i))
- c->sb.compat &= ~(1ULL << BCH_COMPAT_alloc_info);
ret = 0;
}
}
- for (i = 0; i < BTREE_ID_NR; i++) {
+ for (unsigned i = 0; i < BTREE_ID_NR; i++) {
struct btree_root *r = bch2_btree_id_root(c, i);
- if (!r->b) {
+ if (!r->b && !r->error) {
r->alive = false;
r->level = 0;
bch2_btree_root_alloc_fake(c, i, 0);
@@ -653,7 +656,7 @@ int bch2_fs_recovery(struct bch_fs *c)
goto err;
}
- if (!c->sb.clean || c->opts.fsck || c->opts.keep_journal) {
+ if (!c->sb.clean || c->opts.fsck || c->opts.retain_recovery_info) {
struct genradix_iter iter;
struct journal_replay **i;
@@ -883,9 +886,10 @@ int bch2_fs_recovery(struct bch_fs *c)
out:
bch2_flush_fsck_errs(c);
- if (!c->opts.keep_journal &&
- test_bit(JOURNAL_REPLAY_DONE, &c->journal.flags))
+ if (!c->opts.retain_recovery_info) {
bch2_journal_keys_put_initial(c);
+ bch2_find_btree_nodes_exit(&c->found_btree_nodes);
+ }
kfree(clean);
if (!ret &&
diff --git a/fs/bcachefs/recovery_passes.c b/fs/bcachefs/recovery_passes.c
index b066c5155b742..cb501460d6152 100644
--- a/fs/bcachefs/recovery_passes.c
+++ b/fs/bcachefs/recovery_passes.c
@@ -4,6 +4,7 @@
#include "alloc_background.h"
#include "backpointers.h"
#include "btree_gc.h"
+#include "btree_node_scan.h"
#include "ec.h"
#include "fsck.h"
#include "inode.h"
diff --git a/fs/bcachefs/recovery_passes_types.h b/fs/bcachefs/recovery_passes_types.h
index f305212857068..840542cfd65b6 100644
--- a/fs/bcachefs/recovery_passes_types.h
+++ b/fs/bcachefs/recovery_passes_types.h
@@ -13,6 +13,7 @@
* must never change:
*/
#define BCH_RECOVERY_PASSES() \
+ x(scan_for_btree_nodes, 37, 0) \
x(check_topology, 4, 0) \
x(alloc_read, 0, PASS_ALWAYS) \
x(stripes_read, 1, PASS_ALWAYS) \
diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c
index bc026a77eb99d..ed63018f21bef 100644
--- a/fs/bcachefs/super.c
+++ b/fs/bcachefs/super.c
@@ -15,6 +15,7 @@
#include "btree_gc.h"
#include "btree_journal_iter.h"
#include "btree_key_cache.h"
+#include "btree_node_scan.h"
#include "btree_update_interior.h"
#include "btree_io.h"
#include "btree_write_buffer.h"
@@ -536,6 +537,7 @@ static void __bch2_fs_free(struct bch_fs *c)
for (i = 0; i < BCH_TIME_STAT_NR; i++)
bch2_time_stats_exit(&c->times[i]);
+ bch2_find_btree_nodes_exit(&c->found_btree_nodes);
bch2_free_pending_node_rewrites(c);
bch2_fs_sb_errors_exit(c);
bch2_fs_counters_exit(c);
@@ -560,6 +562,7 @@ static void __bch2_fs_free(struct bch_fs *c)
bch2_io_clock_exit(&c->io_clock[READ]);
bch2_fs_compress_exit(c);
bch2_journal_keys_put_initial(c);
+ bch2_find_btree_nodes_exit(&c->found_btree_nodes);
BUG_ON(atomic_read(&c->journal_keys.ref));
bch2_fs_btree_write_buffer_exit(c);
percpu_free_rwsem(&c->mark_lock);
--
GitLab
From 43f5ea4646b2271a9a5af3729dfdf644d69b3282 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 16 Mar 2024 22:45:30 -0400
Subject: [PATCH 2065/2686] bcachefs: Topology repair now uses nodes found by
scanning to fill holes
With the new btree node scan code, we can now recover from corrupt btree
roots - simply create a new fake root at depth 1, and then insert all
the leaves we found.
If the root wasn't corrupt but there's corruption elsewhere in the
btree, we can fill in holes as needed with the newest version of a given
node(s) from the scan; we also check if a given btree node is older than
what we found from the scan.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_gc.c | 303 ++++++++++++++++++++++------------
fs/bcachefs/sb-errors_types.h | 3 +-
2 files changed, 199 insertions(+), 107 deletions(-)
diff --git a/fs/bcachefs/btree_gc.c b/fs/bcachefs/btree_gc.c
index 9db9c8a5beaa0..6280da1244b55 100644
--- a/fs/bcachefs/btree_gc.c
+++ b/fs/bcachefs/btree_gc.c
@@ -13,6 +13,7 @@
#include "btree_journal_iter.h"
#include "btree_key_cache.h"
#include "btree_locking.h"
+#include "btree_node_scan.h"
#include "btree_update_interior.h"
#include "btree_io.h"
#include "btree_gc.h"
@@ -41,6 +42,7 @@
#define DROP_THIS_NODE 10
#define DROP_PREV_NODE 11
+#define DID_FILL_FROM_SCAN 12
static struct bkey_s unsafe_bkey_s_c_to_s(struct bkey_s_c k)
{
@@ -129,6 +131,17 @@ static int set_node_min(struct bch_fs *c, struct btree *b, struct bpos new_min)
struct bkey_i_btree_ptr_v2 *new;
int ret;
+ if (c->opts.verbose) {
+ struct printbuf buf = PRINTBUF;
+
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&b->key));
+ prt_str(&buf, " -> ");
+ bch2_bpos_to_text(&buf, new_min);
+
+ bch_info(c, "%s(): %s", __func__, buf.buf);
+ printbuf_exit(&buf);
+ }
+
new = kmalloc_array(BKEY_BTREE_PTR_U64s_MAX, sizeof(u64), GFP_KERNEL);
if (!new)
return -BCH_ERR_ENOMEM_gc_repair_key;
@@ -154,6 +167,17 @@ static int set_node_max(struct bch_fs *c, struct btree *b, struct bpos new_max)
struct bkey_i_btree_ptr_v2 *new;
int ret;
+ if (c->opts.verbose) {
+ struct printbuf buf = PRINTBUF;
+
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&b->key));
+ prt_str(&buf, " -> ");
+ bch2_bpos_to_text(&buf, new_max);
+
+ bch_info(c, "%s(): %s", __func__, buf.buf);
+ printbuf_exit(&buf);
+ }
+
ret = bch2_journal_key_delete(c, b->c.btree_id, b->c.level + 1, b->key.k.p);
if (ret)
return ret;
@@ -185,127 +209,138 @@ static int set_node_max(struct bch_fs *c, struct btree *b, struct bpos new_max)
return 0;
}
-static int btree_repair_node_boundaries(struct bch_fs *c, struct btree *b,
- struct btree *prev, struct btree *cur)
+static int btree_check_node_boundaries(struct bch_fs *c, struct btree *b,
+ struct btree *prev, struct btree *cur,
+ struct bpos *pulled_from_scan)
{
struct bpos expected_start = !prev
? b->data->min_key
: bpos_successor(prev->key.k.p);
- struct printbuf buf1 = PRINTBUF, buf2 = PRINTBUF;
+ struct printbuf buf = PRINTBUF;
int ret = 0;
- if (!prev) {
- prt_printf(&buf1, "start of node: ");
- bch2_bpos_to_text(&buf1, b->data->min_key);
- } else {
- bch2_bkey_val_to_text(&buf1, c, bkey_i_to_s_c(&prev->key));
+ BUG_ON(b->key.k.type == KEY_TYPE_btree_ptr_v2 &&
+ !bpos_eq(bkey_i_to_btree_ptr_v2(&b->key)->v.min_key,
+ b->data->min_key));
+
+ if (bpos_eq(expected_start, cur->data->min_key))
+ return 0;
+
+ prt_printf(&buf, " at btree %s level %u:\n parent: ",
+ bch2_btree_id_str(b->c.btree_id), b->c.level);
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&b->key));
+
+ if (prev) {
+ prt_printf(&buf, "\n prev: ");
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&prev->key));
}
- bch2_bkey_val_to_text(&buf2, c, bkey_i_to_s_c(&cur->key));
-
- if (prev &&
- bpos_gt(expected_start, cur->data->min_key) &&
- BTREE_NODE_SEQ(cur->data) > BTREE_NODE_SEQ(prev->data)) {
- /* cur overwrites prev: */
-
- if (mustfix_fsck_err_on(bpos_ge(prev->data->min_key,
- cur->data->min_key), c,
- btree_node_topology_overwritten_by_next_node,
- "btree node overwritten by next node at btree %s level %u:\n"
- " node %s\n"
- " next %s",
- bch2_btree_id_str(b->c.btree_id), b->c.level,
- buf1.buf, buf2.buf)) {
- ret = DROP_PREV_NODE;
- goto out;
- }
+ prt_str(&buf, "\n next: ");
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&cur->key));
- if (mustfix_fsck_err_on(!bpos_eq(prev->key.k.p,
- bpos_predecessor(cur->data->min_key)), c,
- btree_node_topology_bad_max_key,
- "btree node with incorrect max_key at btree %s level %u:\n"
- " node %s\n"
- " next %s",
- bch2_btree_id_str(b->c.btree_id), b->c.level,
- buf1.buf, buf2.buf))
- ret = set_node_max(c, prev,
- bpos_predecessor(cur->data->min_key));
- } else {
- /* prev overwrites cur: */
-
- if (mustfix_fsck_err_on(bpos_ge(expected_start,
- cur->data->max_key), c,
- btree_node_topology_overwritten_by_prev_node,
- "btree node overwritten by prev node at btree %s level %u:\n"
- " prev %s\n"
- " node %s",
- bch2_btree_id_str(b->c.btree_id), b->c.level,
- buf1.buf, buf2.buf)) {
- ret = DROP_THIS_NODE;
- goto out;
- }
+ if (bpos_lt(expected_start, cur->data->min_key)) { /* gap */
+ if (b->c.level == 1 &&
+ bpos_lt(*pulled_from_scan, cur->data->min_key)) {
+ ret = bch2_get_scanned_nodes(c, b->c.btree_id, 0,
+ expected_start,
+ bpos_predecessor(cur->data->min_key));
+ if (ret)
+ goto err;
- if (mustfix_fsck_err_on(!bpos_eq(expected_start, cur->data->min_key), c,
- btree_node_topology_bad_min_key,
- "btree node with incorrect min_key at btree %s level %u:\n"
- " prev %s\n"
- " node %s",
- bch2_btree_id_str(b->c.btree_id), b->c.level,
- buf1.buf, buf2.buf))
- ret = set_node_min(c, cur, expected_start);
+ *pulled_from_scan = cur->data->min_key;
+ ret = DID_FILL_FROM_SCAN;
+ } else {
+ if (mustfix_fsck_err(c, btree_node_topology_bad_min_key,
+ "btree node with incorrect min_key%s", buf.buf))
+ ret = set_node_min(c, cur, expected_start);
+ }
+ } else { /* overlap */
+ if (prev && BTREE_NODE_SEQ(cur->data) > BTREE_NODE_SEQ(prev->data)) { /* cur overwrites prev */
+ if (bpos_ge(prev->data->min_key, cur->data->min_key)) { /* fully? */
+ if (mustfix_fsck_err(c, btree_node_topology_overwritten_by_next_node,
+ "btree node overwritten by next node%s", buf.buf))
+ ret = DROP_PREV_NODE;
+ } else {
+ if (mustfix_fsck_err(c, btree_node_topology_bad_max_key,
+ "btree node with incorrect max_key%s", buf.buf))
+ ret = set_node_max(c, prev,
+ bpos_predecessor(cur->data->min_key));
+ }
+ } else {
+ if (bpos_ge(expected_start, cur->data->max_key)) { /* fully? */
+ if (mustfix_fsck_err(c, btree_node_topology_overwritten_by_prev_node,
+ "btree node overwritten by prev node%s", buf.buf))
+ ret = DROP_THIS_NODE;
+ } else {
+ if (mustfix_fsck_err(c, btree_node_topology_bad_min_key,
+ "btree node with incorrect min_key%s", buf.buf))
+ ret = set_node_min(c, cur, expected_start);
+ }
+ }
}
-out:
+err:
fsck_err:
- printbuf_exit(&buf2);
- printbuf_exit(&buf1);
+ printbuf_exit(&buf);
return ret;
}
static int btree_repair_node_end(struct bch_fs *c, struct btree *b,
- struct btree *child)
+ struct btree *child, struct bpos *pulled_from_scan)
{
- struct printbuf buf1 = PRINTBUF, buf2 = PRINTBUF;
+ struct printbuf buf = PRINTBUF;
int ret = 0;
- bch2_bkey_val_to_text(&buf1, c, bkey_i_to_s_c(&child->key));
- bch2_bpos_to_text(&buf2, b->key.k.p);
+ if (bpos_eq(child->key.k.p, b->key.k.p))
+ return 0;
- if (mustfix_fsck_err_on(!bpos_eq(child->key.k.p, b->key.k.p), c,
- btree_node_topology_bad_max_key,
- "btree node with incorrect max_key at btree %s level %u:\n"
- " %s\n"
- " expected %s",
- bch2_btree_id_str(b->c.btree_id), b->c.level,
- buf1.buf, buf2.buf)) {
- ret = set_node_max(c, child, b->key.k.p);
- if (ret)
- goto err;
+ prt_printf(&buf, "at btree %s level %u:\n parent: ",
+ bch2_btree_id_str(b->c.btree_id), b->c.level);
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&b->key));
+
+ prt_str(&buf, "\n child: ");
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&child->key));
+
+ if (mustfix_fsck_err(c, btree_node_topology_bad_max_key,
+ "btree node with incorrect max_key%s", buf.buf)) {
+ if (b->c.level == 1 &&
+ bpos_lt(*pulled_from_scan, b->key.k.p)) {
+ ret = bch2_get_scanned_nodes(c, b->c.btree_id, 0,
+ bpos_successor(child->key.k.p), b->key.k.p);
+ if (ret)
+ goto err;
+
+ *pulled_from_scan = b->key.k.p;
+ ret = DID_FILL_FROM_SCAN;
+ } else {
+ ret = set_node_max(c, child, b->key.k.p);
+ }
}
err:
fsck_err:
- printbuf_exit(&buf2);
- printbuf_exit(&buf1);
+ printbuf_exit(&buf);
return ret;
}
-static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct btree *b)
+static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct btree *b,
+ struct bpos *pulled_from_scan)
{
struct bch_fs *c = trans->c;
struct btree_and_journal_iter iter;
struct bkey_s_c k;
struct bkey_buf prev_k, cur_k;
struct btree *prev = NULL, *cur = NULL;
- bool have_child, dropped_children = false;
+ bool have_child, new_pass = false;
struct printbuf buf = PRINTBUF;
int ret = 0;
if (!b->c.level)
return 0;
-again:
- prev = NULL;
- have_child = dropped_children = false;
+
bch2_bkey_buf_init(&prev_k);
bch2_bkey_buf_init(&cur_k);
+again:
+ cur = prev = NULL;
+ have_child = new_pass = false;
bch2_btree_and_journal_iter_init_node_iter(trans, &iter, b);
iter.prefetch = true;
@@ -332,9 +367,10 @@ static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct
b->c.level - 1,
buf.buf)) {
bch2_btree_node_evict(trans, cur_k.k);
- ret = bch2_journal_key_delete(c, b->c.btree_id,
- b->c.level, cur_k.k->k.p);
cur = NULL;
+ ret = bch2_run_explicit_recovery_pass(c, BCH_RECOVERY_PASS_scan_for_btree_nodes) ?:
+ bch2_journal_key_delete(c, b->c.btree_id,
+ b->c.level, cur_k.k->k.p);
if (ret)
break;
continue;
@@ -344,7 +380,23 @@ static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct
if (ret)
break;
- ret = btree_repair_node_boundaries(c, b, prev, cur);
+ if (bch2_btree_node_is_stale(c, cur)) {
+ bch_info(c, "btree node %s older than nodes found by scanning", buf.buf);
+ six_unlock_read(&cur->c.lock);
+ bch2_btree_node_evict(trans, cur_k.k);
+ ret = bch2_journal_key_delete(c, b->c.btree_id,
+ b->c.level, cur_k.k->k.p);
+ cur = NULL;
+ if (ret)
+ break;
+ continue;
+ }
+
+ ret = btree_check_node_boundaries(c, b, prev, cur, pulled_from_scan);
+ if (ret == DID_FILL_FROM_SCAN) {
+ new_pass = true;
+ ret = 0;
+ }
if (ret == DROP_THIS_NODE) {
six_unlock_read(&cur->c.lock);
@@ -370,8 +422,6 @@ static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct
break;
bch2_btree_and_journal_iter_exit(&iter);
- bch2_bkey_buf_exit(&prev_k, c);
- bch2_bkey_buf_exit(&cur_k, c);
goto again;
} else if (ret)
break;
@@ -383,7 +433,11 @@ static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct
if (!ret && !IS_ERR_OR_NULL(prev)) {
BUG_ON(cur);
- ret = btree_repair_node_end(c, b, prev);
+ ret = btree_repair_node_end(c, b, prev, pulled_from_scan);
+ if (ret == DID_FILL_FROM_SCAN) {
+ new_pass = true;
+ ret = 0;
+ }
}
if (!IS_ERR_OR_NULL(prev))
@@ -397,6 +451,10 @@ static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct
goto err;
bch2_btree_and_journal_iter_exit(&iter);
+
+ if (new_pass)
+ goto again;
+
bch2_btree_and_journal_iter_init_node_iter(trans, &iter, b);
iter.prefetch = true;
@@ -413,7 +471,7 @@ static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct
if (ret)
goto err;
- ret = bch2_btree_repair_topology_recurse(trans, cur);
+ ret = bch2_btree_repair_topology_recurse(trans, cur, pulled_from_scan);
six_unlock_read(&cur->c.lock);
cur = NULL;
@@ -421,7 +479,7 @@ static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct
bch2_btree_node_evict(trans, cur_k.k);
ret = bch2_journal_key_delete(c, b->c.btree_id,
b->c.level, cur_k.k->k.p);
- dropped_children = true;
+ new_pass = true;
}
if (ret)
@@ -448,12 +506,14 @@ static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct
six_unlock_read(&cur->c.lock);
bch2_btree_and_journal_iter_exit(&iter);
- bch2_bkey_buf_exit(&prev_k, c);
- bch2_bkey_buf_exit(&cur_k, c);
- if (!ret && dropped_children)
+ if (!ret && new_pass)
goto again;
+ BUG_ON(!ret && bch2_btree_node_check_topology(trans, b));
+
+ bch2_bkey_buf_exit(&prev_k, c);
+ bch2_bkey_buf_exit(&cur_k, c);
printbuf_exit(&buf);
return ret;
}
@@ -461,32 +521,63 @@ static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct
int bch2_check_topology(struct bch_fs *c)
{
struct btree_trans *trans = bch2_trans_get(c);
- struct btree *b;
- unsigned i;
+ struct bpos pulled_from_scan = POS_MIN;
int ret = 0;
- for (i = 0; i < btree_id_nr_alive(c) && !ret; i++) {
+ for (unsigned i = 0; i < btree_id_nr_alive(c) && !ret; i++) {
struct btree_root *r = bch2_btree_id_root(c, i);
+ bool reconstructed_root = false;
- if (!r->alive)
- continue;
+ if (r->error) {
+ ret = bch2_run_explicit_recovery_pass(c, BCH_RECOVERY_PASS_scan_for_btree_nodes);
+ if (ret)
+ break;
+reconstruct_root:
+ bch_info(c, "btree root %s unreadable, must recover from scan", bch2_btree_id_str(i));
- b = r->b;
- if (btree_node_fake(b))
- continue;
+ r->alive = false;
+ r->error = 0;
+
+ if (!bch2_btree_has_scanned_nodes(c, i)) {
+ mustfix_fsck_err(c, btree_root_unreadable_and_scan_found_nothing,
+ "no nodes found for btree %s, continue?", bch2_btree_id_str(i));
+ bch2_btree_root_alloc_fake(c, i, 0);
+ } else {
+ bch2_btree_root_alloc_fake(c, i, 1);
+ ret = bch2_get_scanned_nodes(c, i, 0, POS_MIN, SPOS_MAX);
+ if (ret)
+ break;
+ }
+
+ bch2_shoot_down_journal_keys(c, i, 1, BTREE_MAX_DEPTH, POS_MIN, SPOS_MAX);
+ reconstructed_root = true;
+ }
+
+ struct btree *b = r->b;
btree_node_lock_nopath_nofail(trans, &b->c, SIX_LOCK_read);
- ret = bch2_btree_repair_topology_recurse(trans, b);
+ ret = bch2_btree_repair_topology_recurse(trans, b, &pulled_from_scan);
six_unlock_read(&b->c.lock);
if (ret == DROP_THIS_NODE) {
- bch_err(c, "empty btree root - repair unimplemented");
- ret = -BCH_ERR_fsck_repair_unimplemented;
+ bch2_btree_node_hash_remove(&c->btree_cache, b);
+ mutex_lock(&c->btree_cache.lock);
+ list_move(&b->list, &c->btree_cache.freeable);
+ mutex_unlock(&c->btree_cache.lock);
+
+ r->b = NULL;
+
+ if (!reconstructed_root)
+ goto reconstruct_root;
+
+ bch_err(c, "empty btree root %s", bch2_btree_id_str(i));
+ bch2_btree_root_alloc_fake(c, i, 0);
+ r->alive = false;
+ ret = 0;
}
}
-
+fsck_err:
bch2_trans_put(trans);
-
return ret;
}
diff --git a/fs/bcachefs/sb-errors_types.h b/fs/bcachefs/sb-errors_types.h
index 73e9634df8ffb..2fec03a24c95b 100644
--- a/fs/bcachefs/sb-errors_types.h
+++ b/fs/bcachefs/sb-errors_types.h
@@ -267,7 +267,8 @@
x(subvol_unreachable, 259) \
x(btree_node_bkey_bad_u64s, 260) \
x(btree_node_topology_empty_interior_node, 261) \
- x(btree_ptr_v2_min_key_bad, 262)
+ x(btree_ptr_v2_min_key_bad, 262) \
+ x(btree_root_unreadable_and_scan_found_nothing, 263)
enum bch_sb_error_id {
#define x(t, n) BCH_FSCK_ERR_##t = n,
--
GitLab
From 55936afe11077a84d9e1c5068169af328bbf2811 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 15 Mar 2024 23:03:42 -0400
Subject: [PATCH 2066/2686] bcachefs: Flag btrees with missing data
We need this to know when we should attempt to reconstruct the snapshots
btree
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/bcachefs.h | 1 +
fs/bcachefs/bcachefs_format.h | 1 +
fs/bcachefs/btree_io.c | 13 +++++++++----
fs/bcachefs/recovery.c | 23 +++++++++++++++++++++++
fs/bcachefs/recovery.h | 2 ++
fs/bcachefs/super-io.c | 9 ++++++++-
6 files changed, 44 insertions(+), 5 deletions(-)
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index 93a61dbaa3d86..d1a0e54785032 100644
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -797,6 +797,7 @@ struct bch_fs {
u64 features;
u64 compat;
unsigned long errors_silent[BITS_TO_LONGS(BCH_SB_ERR_MAX)];
+ u64 btrees_lost_data;
} sb;
diff --git a/fs/bcachefs/bcachefs_format.h b/fs/bcachefs/bcachefs_format.h
index bff8750ac0d74..63102992d9556 100644
--- a/fs/bcachefs/bcachefs_format.h
+++ b/fs/bcachefs/bcachefs_format.h
@@ -818,6 +818,7 @@ struct bch_sb_field_ext {
struct bch_sb_field field;
__le64 recovery_passes_required[2];
__le64 errors_silent[8];
+ __le64 btrees_lost_data;
};
struct bch_sb_field_downgrade_entry {
diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index f3f27bb85a5ba..d7de82ac38935 100644
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -1264,10 +1264,12 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
return retry_read;
fsck_err:
if (ret == -BCH_ERR_btree_node_read_err_want_retry ||
- ret == -BCH_ERR_btree_node_read_err_must_retry)
+ ret == -BCH_ERR_btree_node_read_err_must_retry) {
retry_read = 1;
- else
+ } else {
set_btree_node_read_error(b);
+ bch2_btree_lost_data(c, b->c.btree_id);
+ }
goto out;
}
@@ -1328,6 +1330,7 @@ static void btree_node_read_work(struct work_struct *work)
if (!can_retry) {
set_btree_node_read_error(b);
+ bch2_btree_lost_data(c, b->c.btree_id);
break;
}
}
@@ -1527,9 +1530,10 @@ static CLOSURE_CALLBACK(btree_node_read_all_replicas_done)
ret = -1;
}
- if (ret)
+ if (ret) {
set_btree_node_read_error(b);
- else if (*saw_error)
+ bch2_btree_lost_data(c, b->c.btree_id);
+ } else if (*saw_error)
bch2_btree_node_rewrite_async(c, b);
for (i = 0; i < ra->nr; i++) {
@@ -1665,6 +1669,7 @@ void bch2_btree_node_read(struct btree_trans *trans, struct btree *b,
bch2_fatal_error(c);
set_btree_node_read_error(b);
+ bch2_btree_lost_data(c, b->c.btree_id);
clear_btree_node_read_in_flight(b);
wake_up_bit(&b->flags, BTREE_NODE_read_in_flight);
printbuf_exit(&buf);
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index 24671020f22b1..b3c67ae3d3b2e 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -33,6 +33,20 @@
#define QSTR(n) { { { .len = strlen(n) } }, .name = n }
+void bch2_btree_lost_data(struct bch_fs *c, enum btree_id btree)
+{
+ u64 b = BIT_ULL(btree);
+
+ if (!(c->sb.btrees_lost_data & b)) {
+ bch_err(c, "flagging btree %s lost data", bch2_btree_id_str(btree));
+
+ mutex_lock(&c->sb_lock);
+ bch2_sb_field_get(c->disk_sb.sb, ext)->btrees_lost_data |= cpu_to_le64(b);
+ bch2_write_super(c);
+ mutex_unlock(&c->sb_lock);
+ }
+}
+
static bool btree_id_is_alloc(enum btree_id id)
{
switch (id) {
@@ -470,6 +484,7 @@ static int read_btree_roots(struct bch_fs *c)
}
ret = 0;
+ bch2_btree_lost_data(c, i);
}
}
@@ -848,6 +863,14 @@ int bch2_fs_recovery(struct bch_fs *c)
write_sb = true;
}
+ if (c->opts.fsck &&
+ !test_bit(BCH_FS_error, &c->flags) &&
+ c->recovery_pass_done == BCH_RECOVERY_PASS_NR - 1 &&
+ ext->btrees_lost_data) {
+ ext->btrees_lost_data = 0;
+ write_sb = true;
+ }
+
if (c->opts.fsck &&
!test_bit(BCH_FS_error, &c->flags) &&
!test_bit(BCH_FS_errors_not_fixed, &c->flags)) {
diff --git a/fs/bcachefs/recovery.h b/fs/bcachefs/recovery.h
index 3962fd87b50d8..4bf818de1f2fe 100644
--- a/fs/bcachefs/recovery.h
+++ b/fs/bcachefs/recovery.h
@@ -2,6 +2,8 @@
#ifndef _BCACHEFS_RECOVERY_H
#define _BCACHEFS_RECOVERY_H
+void bch2_btree_lost_data(struct bch_fs *, enum btree_id);
+
int bch2_journal_replay(struct bch_fs *);
int bch2_fs_recovery(struct bch_fs *);
diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c
index e15f8b1f30c2a..e0aa3655b63b4 100644
--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -527,9 +527,11 @@ static void bch2_sb_update(struct bch_fs *c)
memset(c->sb.errors_silent, 0, sizeof(c->sb.errors_silent));
struct bch_sb_field_ext *ext = bch2_sb_field_get(src, ext);
- if (ext)
+ if (ext) {
le_bitvector_to_cpu(c->sb.errors_silent, (void *) ext->errors_silent,
sizeof(c->sb.errors_silent) * 8);
+ c->sb.btrees_lost_data = le64_to_cpu(ext->btrees_lost_data);
+ }
for_each_member_device(c, ca) {
struct bch_member m = bch2_sb_member_get(src, ca->dev_idx);
@@ -1162,6 +1164,11 @@ static void bch2_sb_ext_to_text(struct printbuf *out, struct bch_sb *sb,
kfree(errors_silent);
}
+
+ prt_printf(out, "Btrees with missing data:");
+ prt_tab(out);
+ prt_bitflags(out, __bch2_btree_ids, le64_to_cpu(e->btrees_lost_data));
+ prt_newline(out);
}
static const struct bch_sb_field_ops bch_sb_field_ops_ext = {
--
GitLab
From a292be3b68f3fdad6cff50c716174f51b119efd1 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Wed, 27 Mar 2024 22:50:19 -0400
Subject: [PATCH 2067/2686] bcachefs: Reconstruct missing snapshot nodes
When the snapshots btree is going, we'll have to delete huge amounts of
data - unless we can reconstruct it by looking at the keys that refer to
it.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/bcachefs.h | 1 +
fs/bcachefs/recovery.c | 1 +
fs/bcachefs/recovery_passes_types.h | 1 +
fs/bcachefs/sb-errors_types.h | 3 +-
fs/bcachefs/snapshot.c | 173 +++++++++++++++++++++++++++-
fs/bcachefs/snapshot.h | 26 ++++-
6 files changed, 199 insertions(+), 6 deletions(-)
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index d1a0e54785032..a31a5f706929e 100644
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -615,6 +615,7 @@ struct bch_dev {
*/
#define BCH_FS_FLAGS() \
+ x(new_fs) \
x(started) \
x(may_go_rw) \
x(rw) \
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index b3c67ae3d3b2e..b76c16152579c 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -938,6 +938,7 @@ int bch2_fs_initialize(struct bch_fs *c)
int ret;
bch_notice(c, "initializing new filesystem");
+ set_bit(BCH_FS_new_fs, &c->flags);
mutex_lock(&c->sb_lock);
c->disk_sb.sb->compat[0] |= cpu_to_le64(1ULL << BCH_COMPAT_extents_above_btree_updates_done);
diff --git a/fs/bcachefs/recovery_passes_types.h b/fs/bcachefs/recovery_passes_types.h
index 840542cfd65b6..773aea9a0080f 100644
--- a/fs/bcachefs/recovery_passes_types.h
+++ b/fs/bcachefs/recovery_passes_types.h
@@ -32,6 +32,7 @@
x(check_alloc_to_lru_refs, 15, PASS_ONLINE|PASS_FSCK) \
x(fs_freespace_init, 16, PASS_ALWAYS|PASS_SILENT) \
x(bucket_gens_init, 17, 0) \
+ x(reconstruct_snapshots, 38, 0) \
x(check_snapshot_trees, 18, PASS_ONLINE|PASS_FSCK) \
x(check_snapshots, 19, PASS_ONLINE|PASS_FSCK) \
x(check_subvols, 20, PASS_ONLINE|PASS_FSCK) \
diff --git a/fs/bcachefs/sb-errors_types.h b/fs/bcachefs/sb-errors_types.h
index 2fec03a24c95b..2f8f4d2388b04 100644
--- a/fs/bcachefs/sb-errors_types.h
+++ b/fs/bcachefs/sb-errors_types.h
@@ -268,7 +268,8 @@
x(btree_node_bkey_bad_u64s, 260) \
x(btree_node_topology_empty_interior_node, 261) \
x(btree_ptr_v2_min_key_bad, 262) \
- x(btree_root_unreadable_and_scan_found_nothing, 263)
+ x(btree_root_unreadable_and_scan_found_nothing, 263) \
+ x(snapshot_node_missing, 264)
enum bch_sb_error_id {
#define x(t, n) BCH_FSCK_ERR_##t = n,
diff --git a/fs/bcachefs/snapshot.c b/fs/bcachefs/snapshot.c
index 4577ee7939a2a..0e806f04f3d7c 100644
--- a/fs/bcachefs/snapshot.c
+++ b/fs/bcachefs/snapshot.c
@@ -8,6 +8,7 @@
#include "errcode.h"
#include "error.h"
#include "fs.h"
+#include "recovery_passes.h"
#include "snapshot.h"
#include <linux/random.h>
@@ -574,6 +575,13 @@ static int check_snapshot_tree(struct btree_trans *trans,
u32 subvol_id;
ret = bch2_snapshot_tree_master_subvol(trans, root_id, &subvol_id);
+ bch_err_fn(c, ret);
+
+ if (bch2_err_matches(ret, ENOENT)) { /* nothing to be done here */
+ ret = 0;
+ goto err;
+ }
+
if (ret)
goto err;
@@ -731,7 +739,6 @@ static int check_snapshot(struct btree_trans *trans,
u32 parent_id = bch2_snapshot_parent_early(c, k.k->p.offset);
u32 real_depth;
struct printbuf buf = PRINTBUF;
- bool should_have_subvol;
u32 i, id;
int ret = 0;
@@ -777,7 +784,7 @@ static int check_snapshot(struct btree_trans *trans,
}
}
- should_have_subvol = BCH_SNAPSHOT_SUBVOL(&s) &&
+ bool should_have_subvol = BCH_SNAPSHOT_SUBVOL(&s) &&
!BCH_SNAPSHOT_DELETED(&s);
if (should_have_subvol) {
@@ -879,6 +886,154 @@ int bch2_check_snapshots(struct bch_fs *c)
return ret;
}
+static int check_snapshot_exists(struct btree_trans *trans, u32 id)
+{
+ struct bch_fs *c = trans->c;
+
+ if (bch2_snapshot_equiv(c, id))
+ return 0;
+
+ u32 tree_id;
+ int ret = bch2_snapshot_tree_create(trans, id, 0, &tree_id);
+ if (ret)
+ return ret;
+
+ struct bkey_i_snapshot *snapshot = bch2_trans_kmalloc(trans, sizeof(*snapshot));
+ ret = PTR_ERR_OR_ZERO(snapshot);
+ if (ret)
+ return ret;
+
+ bkey_snapshot_init(&snapshot->k_i);
+ snapshot->k.p = POS(0, id);
+ snapshot->v.tree = cpu_to_le32(tree_id);
+ snapshot->v.btime.lo = cpu_to_le64(bch2_current_time(c));
+
+ return bch2_btree_insert_trans(trans, BTREE_ID_snapshots, &snapshot->k_i, 0) ?:
+ bch2_mark_snapshot(trans, BTREE_ID_snapshots, 0,
+ bkey_s_c_null, bkey_i_to_s(&snapshot->k_i), 0) ?:
+ bch2_snapshot_set_equiv(trans, bkey_i_to_s_c(&snapshot->k_i));
+}
+
+/* Figure out which snapshot nodes belong in the same tree: */
+struct snapshot_tree_reconstruct {
+ enum btree_id btree;
+ struct bpos cur_pos;
+ snapshot_id_list cur_ids;
+ DARRAY(snapshot_id_list) trees;
+};
+
+static void snapshot_tree_reconstruct_exit(struct snapshot_tree_reconstruct *r)
+{
+ darray_for_each(r->trees, i)
+ darray_exit(i);
+ darray_exit(&r->trees);
+ darray_exit(&r->cur_ids);
+}
+
+static inline bool same_snapshot(struct snapshot_tree_reconstruct *r, struct bpos pos)
+{
+ return r->btree == BTREE_ID_inodes
+ ? r->cur_pos.offset == pos.offset
+ : r->cur_pos.inode == pos.inode;
+}
+
+static inline bool snapshot_id_lists_have_common(snapshot_id_list *l, snapshot_id_list *r)
+{
+ darray_for_each(*l, i)
+ if (snapshot_list_has_id(r, *i))
+ return true;
+ return false;
+}
+
+static void snapshot_id_list_to_text(struct printbuf *out, snapshot_id_list *s)
+{
+ bool first = true;
+ darray_for_each(*s, i) {
+ if (!first)
+ prt_char(out, ' ');
+ first = false;
+ prt_printf(out, "%u", *i);
+ }
+}
+
+static int snapshot_tree_reconstruct_next(struct bch_fs *c, struct snapshot_tree_reconstruct *r)
+{
+ if (r->cur_ids.nr) {
+ darray_for_each(r->trees, i)
+ if (snapshot_id_lists_have_common(i, &r->cur_ids)) {
+ int ret = snapshot_list_merge(c, i, &r->cur_ids);
+ if (ret)
+ return ret;
+ goto out;
+ }
+ darray_push(&r->trees, r->cur_ids);
+ darray_init(&r->cur_ids);
+ }
+out:
+ r->cur_ids.nr = 0;
+ return 0;
+}
+
+static int get_snapshot_trees(struct bch_fs *c, struct snapshot_tree_reconstruct *r, struct bpos pos)
+{
+ if (!same_snapshot(r, pos))
+ snapshot_tree_reconstruct_next(c, r);
+ r->cur_pos = pos;
+ return snapshot_list_add_nodup(c, &r->cur_ids, pos.snapshot);
+}
+
+int bch2_reconstruct_snapshots(struct bch_fs *c)
+{
+ struct btree_trans *trans = bch2_trans_get(c);
+ struct printbuf buf = PRINTBUF;
+ struct snapshot_tree_reconstruct r = {};
+ int ret = 0;
+
+ for (unsigned btree = 0; btree < BTREE_ID_NR; btree++) {
+ if (btree_type_has_snapshots(btree)) {
+ r.btree = btree;
+
+ ret = for_each_btree_key(trans, iter, btree, POS_MIN,
+ BTREE_ITER_ALL_SNAPSHOTS|BTREE_ITER_PREFETCH, k, ({
+ get_snapshot_trees(c, &r, k.k->p);
+ }));
+ if (ret)
+ goto err;
+
+ snapshot_tree_reconstruct_next(c, &r);
+ }
+ }
+
+ darray_for_each(r.trees, t) {
+ printbuf_reset(&buf);
+ snapshot_id_list_to_text(&buf, t);
+
+ darray_for_each(*t, id) {
+ if (fsck_err_on(!bch2_snapshot_equiv(c, *id),
+ c, snapshot_node_missing,
+ "snapshot node %u from tree %s missing", *id, buf.buf)) {
+ if (t->nr > 1) {
+ bch_err(c, "cannot reconstruct snapshot trees with multiple nodes");
+ ret = -BCH_ERR_fsck_repair_unimplemented;
+ goto err;
+ }
+
+ ret = commit_do(trans, NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
+ check_snapshot_exists(trans, *id));
+ if (ret)
+ goto err;
+ }
+ }
+ }
+fsck_err:
+err:
+ bch2_trans_put(trans);
+ snapshot_tree_reconstruct_exit(&r);
+ printbuf_exit(&buf);
+ bch_err_fn(c, ret);
+ return ret;
+}
+
/*
* Mark a snapshot as deleted, for future cleanup:
*/
@@ -1689,6 +1844,20 @@ int bch2_snapshots_read(struct bch_fs *c)
POS_MIN, 0, k,
(set_is_ancestor_bitmap(c, k.k->p.offset), 0)));
bch_err_fn(c, ret);
+
+ /*
+ * It's important that we check if we need to reconstruct snapshots
+ * before going RW, so we mark that pass as required in the superblock -
+ * otherwise, we could end up deleting keys with missing snapshot nodes
+ * instead
+ */
+ BUG_ON(!test_bit(BCH_FS_new_fs, &c->flags) &&
+ test_bit(BCH_FS_may_go_rw, &c->flags));
+
+ if (bch2_err_matches(ret, EIO) ||
+ (c->sb.btrees_lost_data & BIT_ULL(BTREE_ID_snapshots)))
+ ret = bch2_run_explicit_recovery_pass_persistent(c, BCH_RECOVERY_PASS_reconstruct_snapshots);
+
return ret;
}
diff --git a/fs/bcachefs/snapshot.h b/fs/bcachefs/snapshot.h
index 331f20fd8d03d..b7d2fed37c4f3 100644
--- a/fs/bcachefs/snapshot.h
+++ b/fs/bcachefs/snapshot.h
@@ -209,15 +209,34 @@ static inline bool snapshot_list_has_ancestor(struct bch_fs *c, snapshot_id_list
static inline int snapshot_list_add(struct bch_fs *c, snapshot_id_list *s, u32 id)
{
- int ret;
-
BUG_ON(snapshot_list_has_id(s, id));
- ret = darray_push(s, id);
+ int ret = darray_push(s, id);
if (ret)
bch_err(c, "error reallocating snapshot_id_list (size %zu)", s->size);
return ret;
}
+static inline int snapshot_list_add_nodup(struct bch_fs *c, snapshot_id_list *s, u32 id)
+{
+ int ret = snapshot_list_has_id(s, id)
+ ? 0
+ : darray_push(s, id);
+ if (ret)
+ bch_err(c, "error reallocating snapshot_id_list (size %zu)", s->size);
+ return ret;
+}
+
+static inline int snapshot_list_merge(struct bch_fs *c, snapshot_id_list *dst, snapshot_id_list *src)
+{
+ darray_for_each(*src, i) {
+ int ret = snapshot_list_add_nodup(c, dst, *i);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
int bch2_snapshot_lookup(struct btree_trans *trans, u32 id,
struct bch_snapshot *s);
int bch2_snapshot_get_subvol(struct btree_trans *, u32,
@@ -229,6 +248,7 @@ int bch2_snapshot_node_create(struct btree_trans *, u32,
int bch2_check_snapshot_trees(struct bch_fs *);
int bch2_check_snapshots(struct bch_fs *);
+int bch2_reconstruct_snapshots(struct bch_fs *);
int bch2_snapshot_node_set_deleted(struct btree_trans *, u32);
void bch2_delete_dead_snapshots_work(struct work_struct *);
--
GitLab
From 4c02e63dadc7f5a92732ce3e267d0511749f60fb Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 30 Mar 2024 18:43:00 -0400
Subject: [PATCH 2068/2686] bcachefs: Check for extents that point to same
space
In backpointer repair, if we get a missing backpointer - but there's
already a backpointer that points to an existing extent - we've got
multiple extents that point to the same space and need to decide which
to keep.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/backpointers.c | 173 ++++++++++++++++++++++++++++++++--
fs/bcachefs/sb-errors_types.h | 3 +-
2 files changed, 168 insertions(+), 8 deletions(-)
diff --git a/fs/bcachefs/backpointers.c b/fs/bcachefs/backpointers.c
index 762c8ddfc5e73..114328acde720 100644
--- a/fs/bcachefs/backpointers.c
+++ b/fs/bcachefs/backpointers.c
@@ -8,6 +8,7 @@
#include "btree_update.h"
#include "btree_update_interior.h"
#include "btree_write_buffer.h"
+#include "checksum.h"
#include "error.h"
#include <linux/mm.h>
@@ -418,6 +419,84 @@ struct extents_to_bp_state {
struct bkey_buf last_flushed;
};
+static int drop_dev_and_update(struct btree_trans *trans, enum btree_id btree,
+ struct bkey_s_c extent, unsigned dev)
+{
+ struct bkey_i *n = bch2_bkey_make_mut_noupdate(trans, extent);
+ int ret = PTR_ERR_OR_ZERO(n);
+ if (ret)
+ return ret;
+
+ bch2_bkey_drop_device(bkey_i_to_s(n), dev);
+ return bch2_btree_insert_trans(trans, btree, n, 0);
+}
+
+static int check_extent_checksum(struct btree_trans *trans,
+ enum btree_id btree, struct bkey_s_c extent,
+ enum btree_id o_btree, struct bkey_s_c extent2, unsigned dev)
+{
+ struct bch_fs *c = trans->c;
+ struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(extent);
+ const union bch_extent_entry *entry;
+ struct extent_ptr_decoded p;
+ struct printbuf buf = PRINTBUF;
+ void *data_buf = NULL;
+ struct bio *bio = NULL;
+ size_t bytes;
+ int ret = 0;
+
+ if (bkey_is_btree_ptr(extent.k))
+ return false;
+
+ bkey_for_each_ptr_decode(extent.k, ptrs, p, entry)
+ if (p.ptr.dev == dev)
+ goto found;
+ BUG();
+found:
+ if (!p.crc.csum_type)
+ return false;
+
+ bytes = p.crc.compressed_size << 9;
+
+ struct bch_dev *ca = bch_dev_bkey_exists(c, dev);
+ if (!bch2_dev_get_ioref(ca, READ))
+ return false;
+
+ data_buf = kvmalloc(bytes, GFP_KERNEL);
+ if (!data_buf) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ bio = bio_alloc(ca->disk_sb.bdev, 1, REQ_OP_READ, GFP_KERNEL);
+ bio->bi_iter.bi_sector = p.ptr.offset;
+ bch2_bio_map(bio, data_buf, bytes);
+ ret = submit_bio_wait(bio);
+ if (ret)
+ goto err;
+
+ prt_str(&buf, "extents pointing to same space, but first extent checksum bad:");
+ prt_printf(&buf, "\n %s ", bch2_btree_id_str(btree));
+ bch2_bkey_val_to_text(&buf, c, extent);
+ prt_printf(&buf, "\n %s ", bch2_btree_id_str(o_btree));
+ bch2_bkey_val_to_text(&buf, c, extent2);
+
+ struct nonce nonce = extent_nonce(extent.k->version, p.crc);
+ struct bch_csum csum = bch2_checksum(c, p.crc.csum_type, nonce, data_buf, bytes);
+ if (fsck_err_on(bch2_crc_cmp(csum, p.crc.csum),
+ c, dup_backpointer_to_bad_csum_extent,
+ "%s", buf.buf))
+ ret = drop_dev_and_update(trans, btree, extent, dev) ?: 1;
+fsck_err:
+err:
+ if (bio)
+ bio_put(bio);
+ kvfree(data_buf);
+ percpu_ref_put(&ca->io_ref);
+ printbuf_exit(&buf);
+ return ret;
+}
+
static int check_bp_exists(struct btree_trans *trans,
struct extents_to_bp_state *s,
struct bpos bucket,
@@ -425,7 +504,8 @@ static int check_bp_exists(struct btree_trans *trans,
struct bkey_s_c orig_k)
{
struct bch_fs *c = trans->c;
- struct btree_iter bp_iter = { NULL };
+ struct btree_iter bp_iter = {};
+ struct btree_iter other_extent_iter = {};
struct printbuf buf = PRINTBUF;
struct bkey_s_c bp_k;
struct bkey_buf tmp;
@@ -433,13 +513,19 @@ static int check_bp_exists(struct btree_trans *trans,
bch2_bkey_buf_init(&tmp);
+ if (!bch2_dev_bucket_exists(c, bucket)) {
+ prt_str(&buf, "extent for nonexistent device:bucket ");
+ bch2_bpos_to_text(&buf, bucket);
+ prt_str(&buf, "\n ");
+ bch2_bkey_val_to_text(&buf, c, orig_k);
+ bch_err(c, "%s", buf.buf);
+ return -BCH_ERR_fsck_repair_unimplemented;
+ }
+
if (bpos_lt(bucket, s->bucket_start) ||
bpos_gt(bucket, s->bucket_end))
return 0;
- if (!bch2_dev_bucket_exists(c, bucket))
- goto missing;
-
bp_k = bch2_bkey_get_iter(trans, &bp_iter, BTREE_ID_backpointers,
bucket_pos_to_bp(c, bucket, bp.bucket_offset),
0);
@@ -465,21 +551,94 @@ static int check_bp_exists(struct btree_trans *trans,
ret = -BCH_ERR_transaction_restart_write_buffer_flush;
goto out;
}
- goto missing;
+
+ goto check_existing_bp;
}
out:
err:
fsck_err:
+ bch2_trans_iter_exit(trans, &other_extent_iter);
bch2_trans_iter_exit(trans, &bp_iter);
bch2_bkey_buf_exit(&tmp, c);
printbuf_exit(&buf);
return ret;
+check_existing_bp:
+ /* Do we have a backpointer for a different extent? */
+ if (bp_k.k->type != KEY_TYPE_backpointer)
+ goto missing;
+
+ struct bch_backpointer other_bp = *bkey_s_c_to_backpointer(bp_k).v;
+
+ struct bkey_s_c other_extent =
+ bch2_backpointer_get_key(trans, &other_extent_iter, bp_k.k->p, other_bp, 0);
+ ret = bkey_err(other_extent);
+ if (ret == -BCH_ERR_backpointer_to_overwritten_btree_node)
+ ret = 0;
+ if (ret)
+ goto err;
+
+ if (!other_extent.k)
+ goto missing;
+
+ if (bch2_extents_match(orig_k, other_extent)) {
+ printbuf_reset(&buf);
+ prt_printf(&buf, "duplicate versions of same extent, deleting smaller\n ");
+ bch2_bkey_val_to_text(&buf, c, orig_k);
+ prt_str(&buf, "\n ");
+ bch2_bkey_val_to_text(&buf, c, other_extent);
+ bch_err(c, "%s", buf.buf);
+
+ if (other_extent.k->size <= orig_k.k->size) {
+ ret = drop_dev_and_update(trans, other_bp.btree_id, other_extent, bucket.inode);
+ if (ret)
+ goto err;
+ goto out;
+ } else {
+ ret = drop_dev_and_update(trans, bp.btree_id, orig_k, bucket.inode);
+ if (ret)
+ goto err;
+ goto missing;
+ }
+ }
+
+ ret = check_extent_checksum(trans, other_bp.btree_id, other_extent, bp.btree_id, orig_k, bucket.inode);
+ if (ret < 0)
+ goto err;
+ if (ret) {
+ ret = 0;
+ goto missing;
+ }
+
+ ret = check_extent_checksum(trans, bp.btree_id, orig_k, other_bp.btree_id, other_extent, bucket.inode);
+ if (ret < 0)
+ goto err;
+ if (ret) {
+ ret = 0;
+ goto out;
+ }
+
+ printbuf_reset(&buf);
+ prt_printf(&buf, "duplicate extents pointing to same space on dev %llu\n ", bucket.inode);
+ bch2_bkey_val_to_text(&buf, c, orig_k);
+ prt_str(&buf, "\n ");
+ bch2_bkey_val_to_text(&buf, c, other_extent);
+ bch_err(c, "%s", buf.buf);
+ ret = -BCH_ERR_fsck_repair_unimplemented;
+ goto err;
missing:
+ printbuf_reset(&buf);
prt_printf(&buf, "missing backpointer for btree=%s l=%u ",
bch2_btree_id_str(bp.btree_id), bp.level);
bch2_bkey_val_to_text(&buf, c, orig_k);
- prt_printf(&buf, "\nbp pos ");
- bch2_bpos_to_text(&buf, bp_iter.pos);
+ prt_printf(&buf, "\n got: ");
+ bch2_bkey_val_to_text(&buf, c, bp_k);
+
+ struct bkey_i_backpointer n_bp_k;
+ bkey_backpointer_init(&n_bp_k.k_i);
+ n_bp_k.k.p = bucket_pos_to_bp(trans->c, bucket, bp.bucket_offset);
+ n_bp_k.v = bp;
+ prt_printf(&buf, "\n want: ");
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&n_bp_k.k_i));
if (fsck_err(c, ptr_to_missing_backpointer, "%s", buf.buf))
ret = bch2_bucket_backpointer_mod(trans, bucket, bp, orig_k, true);
diff --git a/fs/bcachefs/sb-errors_types.h b/fs/bcachefs/sb-errors_types.h
index 2f8f4d2388b04..d7d609131030a 100644
--- a/fs/bcachefs/sb-errors_types.h
+++ b/fs/bcachefs/sb-errors_types.h
@@ -269,7 +269,8 @@
x(btree_node_topology_empty_interior_node, 261) \
x(btree_ptr_v2_min_key_bad, 262) \
x(btree_root_unreadable_and_scan_found_nothing, 263) \
- x(snapshot_node_missing, 264)
+ x(snapshot_node_missing, 264) \
+ x(dup_backpointer_to_bad_csum_extent, 265)
enum bch_sb_error_id {
#define x(t, n) BCH_FSCK_ERR_##t = n,
--
GitLab
From cc0532900bcf1896a81dcdd30873ffa6c4f6926b Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sun, 31 Mar 2024 02:03:03 -0400
Subject: [PATCH 2069/2686] bcachefs: Subvolume reconstruction
We can now recreate missing subvolumes from dirents and/or inodes.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/fsck.c | 167 +++++++++++++++++++++++++++++++++++++++------
1 file changed, 148 insertions(+), 19 deletions(-)
diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c
index b704fb0dda951..c1edc5647ba08 100644
--- a/fs/bcachefs/fsck.c
+++ b/fs/bcachefs/fsck.c
@@ -63,9 +63,7 @@ static int subvol_lookup(struct btree_trans *trans, u32 subvol,
u32 *snapshot, u64 *inum)
{
struct bch_subvolume s;
- int ret;
-
- ret = bch2_subvolume_get(trans, subvol, false, 0, &s);
+ int ret = bch2_subvolume_get(trans, subvol, false, 0, &s);
*snapshot = le32_to_cpu(s.snapshot);
*inum = le64_to_cpu(s.inode);
@@ -170,7 +168,8 @@ static int __remove_dirent(struct btree_trans *trans, struct bpos pos)
/* Get lost+found, create if it doesn't exist: */
static int lookup_lostfound(struct btree_trans *trans, u32 snapshot,
- struct bch_inode_unpacked *lostfound)
+ struct bch_inode_unpacked *lostfound,
+ u64 reattaching_inum)
{
struct bch_fs *c = trans->c;
struct qstr lostfound_str = QSTR("lost+found");
@@ -185,19 +184,36 @@ static int lookup_lostfound(struct btree_trans *trans, u32 snapshot,
return ret;
subvol_inum root_inum = { .subvol = le32_to_cpu(st.master_subvol) };
- u32 subvol_snapshot;
- ret = subvol_lookup(trans, le32_to_cpu(st.master_subvol),
- &subvol_snapshot, &root_inum.inum);
- bch_err_msg(c, ret, "looking up root subvol");
+ struct bch_subvolume subvol;
+ ret = bch2_subvolume_get(trans, le32_to_cpu(st.master_subvol),
+ false, 0, &subvol);
+ bch_err_msg(c, ret, "looking up root subvol %u for snapshot %u",
+ le32_to_cpu(st.master_subvol), snapshot);
if (ret)
return ret;
+ if (!subvol.inode) {
+ struct btree_iter iter;
+ struct bkey_i_subvolume *subvol = bch2_bkey_get_mut_typed(trans, &iter,
+ BTREE_ID_subvolumes, POS(0, le32_to_cpu(st.master_subvol)),
+ 0, subvolume);
+ ret = PTR_ERR_OR_ZERO(subvol);
+ if (ret)
+ return ret;
+
+ subvol->v.inode = cpu_to_le64(reattaching_inum);
+ bch2_trans_iter_exit(trans, &iter);
+ }
+
+ root_inum.inum = le64_to_cpu(subvol.inode);
+
struct bch_inode_unpacked root_inode;
struct bch_hash_info root_hash_info;
u32 root_inode_snapshot = snapshot;
ret = lookup_inode(trans, root_inum.inum, &root_inode, &root_inode_snapshot);
- bch_err_msg(c, ret, "looking up root inode");
+ bch_err_msg(c, ret, "looking up root inode %llu for subvol %u",
+ root_inum.inum, le32_to_cpu(st.master_subvol));
if (ret)
return ret;
@@ -293,7 +309,7 @@ static int reattach_inode(struct btree_trans *trans,
snprintf(name_buf, sizeof(name_buf), "%llu", inode->bi_inum);
}
- ret = lookup_lostfound(trans, dirent_snapshot, &lostfound);
+ ret = lookup_lostfound(trans, dirent_snapshot, &lostfound, inode->bi_inum);
if (ret)
return ret;
@@ -364,6 +380,85 @@ static int reattach_subvol(struct btree_trans *trans, struct bkey_s_c_subvolume
return ret;
}
+static int reconstruct_subvol(struct btree_trans *trans, u32 snapshotid, u32 subvolid, u64 inum)
+{
+ struct bch_fs *c = trans->c;
+
+ if (!bch2_snapshot_is_leaf(c, snapshotid)) {
+ bch_err(c, "need to reconstruct subvol, but have interior node snapshot");
+ return -BCH_ERR_fsck_repair_unimplemented;
+ }
+
+ /*
+ * If inum isn't set, that means we're being called from check_dirents,
+ * not check_inodes - the root of this subvolume doesn't exist or we
+ * would have found it there:
+ */
+ if (!inum) {
+ struct btree_iter inode_iter = {};
+ struct bch_inode_unpacked new_inode;
+ u64 cpu = raw_smp_processor_id();
+
+ bch2_inode_init_early(c, &new_inode);
+ bch2_inode_init_late(&new_inode, bch2_current_time(c), 0, 0, S_IFDIR|0755, 0, NULL);
+
+ new_inode.bi_subvol = subvolid;
+
+ int ret = bch2_inode_create(trans, &inode_iter, &new_inode, snapshotid, cpu) ?:
+ bch2_btree_iter_traverse(&inode_iter) ?:
+ bch2_inode_write(trans, &inode_iter, &new_inode);
+ bch2_trans_iter_exit(trans, &inode_iter);
+ if (ret)
+ return ret;
+
+ inum = new_inode.bi_inum;
+ }
+
+ bch_info(c, "reconstructing subvol %u with root inode %llu", subvolid, inum);
+
+ struct bkey_i_subvolume *new_subvol = bch2_trans_kmalloc(trans, sizeof(*new_subvol));
+ int ret = PTR_ERR_OR_ZERO(new_subvol);
+ if (ret)
+ return ret;
+
+ bkey_subvolume_init(&new_subvol->k_i);
+ new_subvol->k.p.offset = subvolid;
+ new_subvol->v.snapshot = cpu_to_le32(snapshotid);
+ new_subvol->v.inode = cpu_to_le64(inum);
+ ret = bch2_btree_insert_trans(trans, BTREE_ID_subvolumes, &new_subvol->k_i, 0);
+ if (ret)
+ return ret;
+
+ struct btree_iter iter;
+ struct bkey_i_snapshot *s = bch2_bkey_get_mut_typed(trans, &iter,
+ BTREE_ID_snapshots, POS(0, snapshotid),
+ 0, snapshot);
+ ret = PTR_ERR_OR_ZERO(s);
+ bch_err_msg(c, ret, "getting snapshot %u", snapshotid);
+ if (ret)
+ return ret;
+
+ u32 snapshot_tree = le32_to_cpu(s->v.tree);
+
+ s->v.subvol = cpu_to_le32(subvolid);
+ SET_BCH_SNAPSHOT_SUBVOL(&s->v, true);
+ bch2_trans_iter_exit(trans, &iter);
+
+ struct bkey_i_snapshot_tree *st = bch2_bkey_get_mut_typed(trans, &iter,
+ BTREE_ID_snapshot_trees, POS(0, snapshot_tree),
+ 0, snapshot_tree);
+ ret = PTR_ERR_OR_ZERO(st);
+ bch_err_msg(c, ret, "getting snapshot tree %u", snapshot_tree);
+ if (ret)
+ return ret;
+
+ if (!st->v.master_subvol)
+ st->v.master_subvol = cpu_to_le32(subvolid);
+
+ bch2_trans_iter_exit(trans, &iter);
+ return 0;
+}
+
struct snapshots_seen_entry {
u32 id;
u32 equiv;
@@ -1065,6 +1160,11 @@ static int check_inode(struct btree_trans *trans,
if (ret && !bch2_err_matches(ret, ENOENT))
goto err;
+ if (ret && (c->sb.btrees_lost_data & BIT_ULL(BTREE_ID_subvolumes))) {
+ ret = reconstruct_subvol(trans, k.k->p.snapshot, u.bi_subvol, u.bi_inum);
+ goto do_update;
+ }
+
if (fsck_err_on(ret,
c, inode_bi_subvol_missing,
"inode %llu:%u bi_subvol points to missing subvolume %u",
@@ -1082,7 +1182,7 @@ static int check_inode(struct btree_trans *trans,
do_update = true;
}
}
-
+do_update:
if (do_update) {
ret = __bch2_fsck_write_inode(trans, &u, iter->pos.snapshot);
bch_err_msg(c, ret, "in fsck updating inode");
@@ -1785,6 +1885,7 @@ static int check_dirent_to_subvol(struct btree_trans *trans, struct btree_iter *
u32 parent_subvol = le32_to_cpu(d.v->d_parent_subvol);
u32 target_subvol = le32_to_cpu(d.v->d_child_subvol);
u32 parent_snapshot;
+ u32 new_parent_subvol = 0;
u64 parent_inum;
struct printbuf buf = PRINTBUF;
int ret = 0;
@@ -1793,6 +1894,27 @@ static int check_dirent_to_subvol(struct btree_trans *trans, struct btree_iter *
if (ret && !bch2_err_matches(ret, ENOENT))
return ret;
+ if (ret ||
+ (!ret && !bch2_snapshot_is_ancestor(c, parent_snapshot, d.k->p.snapshot))) {
+ int ret2 = find_snapshot_subvol(trans, d.k->p.snapshot, &new_parent_subvol);
+ if (ret2 && !bch2_err_matches(ret, ENOENT))
+ return ret2;
+ }
+
+ if (ret &&
+ !new_parent_subvol &&
+ (c->sb.btrees_lost_data & BIT_ULL(BTREE_ID_subvolumes))) {
+ /*
+ * Couldn't find a subvol for dirent's snapshot - but we lost
+ * subvols, so we need to reconstruct:
+ */
+ ret = reconstruct_subvol(trans, d.k->p.snapshot, parent_subvol, 0);
+ if (ret)
+ return ret;
+
+ parent_snapshot = d.k->p.snapshot;
+ }
+
if (fsck_err_on(ret, c, dirent_to_missing_parent_subvol,
"dirent parent_subvol points to missing subvolume\n%s",
(bch2_bkey_val_to_text(&buf, c, d.s_c), buf.buf)) ||
@@ -1801,10 +1923,10 @@ static int check_dirent_to_subvol(struct btree_trans *trans, struct btree_iter *
"dirent not visible in parent_subvol (not an ancestor of subvol snap %u)\n%s",
parent_snapshot,
(bch2_bkey_val_to_text(&buf, c, d.s_c), buf.buf))) {
- u32 new_parent_subvol;
- ret = find_snapshot_subvol(trans, d.k->p.snapshot, &new_parent_subvol);
- if (ret)
- goto err;
+ if (!new_parent_subvol) {
+ bch_err(c, "could not find a subvol for snapshot %u", d.k->p.snapshot);
+ return -BCH_ERR_fsck_repair_unimplemented;
+ }
struct bkey_i_dirent *new_dirent = bch2_bkey_make_mut_typed(trans, iter, &d.s_c, 0, dirent);
ret = PTR_ERR_OR_ZERO(new_dirent);
@@ -1850,9 +1972,16 @@ static int check_dirent_to_subvol(struct btree_trans *trans, struct btree_iter *
ret = lookup_inode(trans, target_inum, &subvol_root, &target_snapshot);
if (ret && !bch2_err_matches(ret, ENOENT))
- return ret;
+ goto err;
- if (fsck_err_on(parent_subvol != subvol_root.bi_parent_subvol,
+ if (ret) {
+ bch_err(c, "subvol %u points to missing inode root %llu", target_subvol, target_inum);
+ ret = -BCH_ERR_fsck_repair_unimplemented;
+ ret = 0;
+ goto err;
+ }
+
+ if (fsck_err_on(!ret && parent_subvol != subvol_root.bi_parent_subvol,
c, inode_bi_parent_wrong,
"subvol root %llu has wrong bi_parent_subvol: got %u, should be %u",
target_inum,
@@ -1860,13 +1989,13 @@ static int check_dirent_to_subvol(struct btree_trans *trans, struct btree_iter *
subvol_root.bi_parent_subvol = parent_subvol;
ret = __bch2_fsck_write_inode(trans, &subvol_root, target_snapshot);
if (ret)
- return ret;
+ goto err;
}
ret = check_dirent_target(trans, iter, d, &subvol_root,
target_snapshot);
if (ret)
- return ret;
+ goto err;
out:
err:
fsck_err:
--
GitLab
From 09d4c2acbf4c864fef0f520bbcba256c9a19102e Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Mon, 1 Apr 2024 00:00:56 -0400
Subject: [PATCH 2070/2686] bcachefs: reconstruct_inode()
If an inode is missing, but corresponding extents and dirent still
exist, it's well worth recreating it - this does so.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/fsck.c | 52 ++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 50 insertions(+), 2 deletions(-)
diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c
index c1edc5647ba08..8e2010212cc37 100644
--- a/fs/bcachefs/fsck.c
+++ b/fs/bcachefs/fsck.c
@@ -459,6 +459,33 @@ static int reconstruct_subvol(struct btree_trans *trans, u32 snapshotid, u32 sub
return 0;
}
+static int reconstruct_inode(struct btree_trans *trans, u32 snapshot, u64 inum, u64 size, unsigned mode)
+{
+ struct bch_fs *c = trans->c;
+ struct bch_inode_unpacked new_inode;
+
+ bch2_inode_init_early(c, &new_inode);
+ bch2_inode_init_late(&new_inode, bch2_current_time(c), 0, 0, mode|0755, 0, NULL);
+ new_inode.bi_size = size;
+ new_inode.bi_inum = inum;
+
+ return __bch2_fsck_write_inode(trans, &new_inode, snapshot);
+}
+
+static int reconstruct_reg_inode(struct btree_trans *trans, u32 snapshot, u64 inum)
+{
+ struct btree_iter iter = {};
+
+ bch2_trans_iter_init(trans, &iter, BTREE_ID_extents, SPOS(inum, U64_MAX, snapshot), 0);
+ struct bkey_s_c k = bch2_btree_iter_peek_prev(&iter);
+ bch2_trans_iter_exit(trans, &iter);
+ int ret = bkey_err(k);
+ if (ret)
+ return ret;
+
+ return reconstruct_inode(trans, snapshot, inum, k.k->p.offset << 9, S_IFREG);
+}
+
struct snapshots_seen_entry {
u32 id;
u32 equiv;
@@ -1535,6 +1562,17 @@ static int check_extent(struct btree_trans *trans, struct btree_iter *iter,
goto err;
if (k.k->type != KEY_TYPE_whiteout) {
+ if (!i && (c->sb.btrees_lost_data & BIT_ULL(BTREE_ID_inodes))) {
+ ret = reconstruct_reg_inode(trans, k.k->p.snapshot, k.k->p.inode) ?:
+ bch2_trans_commit(trans, NULL, NULL, BCH_TRANS_COMMIT_no_enospc);
+ if (ret)
+ goto err;
+
+ inode->last_pos.inode--;
+ ret = -BCH_ERR_transaction_restart_nested;
+ goto err;
+ }
+
if (fsck_err_on(!i, c, extent_in_missing_inode,
"extent in missing inode:\n %s",
(printbuf_reset(&buf),
@@ -2012,7 +2050,6 @@ static int check_dirent(struct btree_trans *trans, struct btree_iter *iter,
struct snapshots_seen *s)
{
struct bch_fs *c = trans->c;
- struct bkey_s_c_dirent d;
struct inode_walker_entry *i;
struct printbuf buf = PRINTBUF;
struct bpos equiv;
@@ -2051,6 +2088,17 @@ static int check_dirent(struct btree_trans *trans, struct btree_iter *iter,
*hash_info = bch2_hash_info_init(c, &dir->inodes.data[0].inode);
dir->first_this_inode = false;
+ if (!i && (c->sb.btrees_lost_data & BIT_ULL(BTREE_ID_inodes))) {
+ ret = reconstruct_inode(trans, k.k->p.snapshot, k.k->p.inode, 0, S_IFDIR) ?:
+ bch2_trans_commit(trans, NULL, NULL, BCH_TRANS_COMMIT_no_enospc);
+ if (ret)
+ goto err;
+
+ dir->last_pos.inode--;
+ ret = -BCH_ERR_transaction_restart_nested;
+ goto err;
+ }
+
if (fsck_err_on(!i, c, dirent_in_missing_dir_inode,
"dirent in nonexisting directory:\n%s",
(printbuf_reset(&buf),
@@ -2085,7 +2133,7 @@ static int check_dirent(struct btree_trans *trans, struct btree_iter *iter,
if (k.k->type != KEY_TYPE_dirent)
goto out;
- d = bkey_s_c_to_dirent(k);
+ struct bkey_s_c_dirent d = bkey_s_c_to_dirent(k);
if (d.v->d_type == DT_SUBVOL) {
ret = check_dirent_to_subvol(trans, iter, d);
--
GitLab
From de164a7f19248fb03229a4af9b0db333d9591e55 Mon Sep 17 00:00:00 2001
From: Guenter Roeck <linux@roeck-us.net>
Date: Thu, 21 Mar 2024 23:54:19 -0700
Subject: [PATCH 2071/2686] nios2: Only use built-in devicetree blob if
configured to do so
Starting with commit 7b937cc243e5 ("of: Create of_root if no dtb provided
by firmware"), attempts to boot nios2 images with an external devicetree
blob result in a crash.
Kernel panic - not syncing: early_init_dt_alloc_memory_arch:
Failed to allocate 72 bytes align=0x40
For nios2, a built-in devicetree blob always overrides devicetree blobs
provided by ROMMON/BIOS. This includes the new dummy devicetree blob.
Result is that the dummy devicetree blob is used even if an external
devicetree blob is provided. Since the dummy devicetree blob does not
include any memory information, memory allocations fail, resulting in
the crash.
To fix the problem, only use the built-in devicetree blob if
CONFIG_NIOS2_DTB_SOURCE_BOOL is enabled.
Fixes: 7b937cc243e5 ("of: Create of_root if no dtb provided by firmware")
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240322065419.162416-1-linux@roeck-us.net
Signed-off-by: Rob Herring <robh@kernel.org>
---
arch/nios2/kernel/prom.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/nios2/kernel/prom.c b/arch/nios2/kernel/prom.c
index 8d98af5c7201b..9a8393e6b4a85 100644
--- a/arch/nios2/kernel/prom.c
+++ b/arch/nios2/kernel/prom.c
@@ -21,7 +21,8 @@
void __init early_init_devtree(void *params)
{
- __be32 *dtb = (u32 *)__dtb_start;
+ __be32 __maybe_unused *dtb = (u32 *)__dtb_start;
+
#if defined(CONFIG_NIOS2_DTB_AT_PHYS_ADDR)
if (be32_to_cpup((__be32 *)CONFIG_NIOS2_DTB_PHYS_ADDR) ==
OF_DT_HEADER) {
@@ -30,8 +31,11 @@ void __init early_init_devtree(void *params)
return;
}
#endif
+
+#ifdef CONFIG_NIOS2_DTB_SOURCE_BOOL
if (be32_to_cpu((__be32) *dtb) == OF_DT_HEADER)
params = (void *)__dtb_start;
+#endif
early_init_dt_scan(params);
}
--
GitLab
From 173217bd73365867378b5e75a86f0049e1069ee8 Mon Sep 17 00:00:00 2001
From: Ritvik Budhiraja <rbudhiraja@microsoft.com>
Date: Tue, 2 Apr 2024 14:01:28 -0500
Subject: [PATCH 2072/2686] smb3: retrying on failed server close
In the current implementation, CIFS close sends a close to the
server and does not check for the success of the server close.
This patch adds functionality to check for server close return
status and retries in case of an EBUSY or EAGAIN error.
This can help avoid handle leaks
Cc: stable@vger.kernel.org
Signed-off-by: Ritvik Budhiraja <rbudhiraja@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/cached_dir.c | 6 ++--
fs/smb/client/cifsfs.c | 11 +++++++
fs/smb/client/cifsglob.h | 7 +++--
fs/smb/client/file.c | 63 ++++++++++++++++++++++++++++++++++----
fs/smb/client/smb1ops.c | 4 +--
fs/smb/client/smb2ops.c | 9 +++---
fs/smb/client/smb2pdu.c | 2 +-
7 files changed, 85 insertions(+), 17 deletions(-)
diff --git a/fs/smb/client/cached_dir.c b/fs/smb/client/cached_dir.c
index a0017724d5239..13a9d7acf8f8e 100644
--- a/fs/smb/client/cached_dir.c
+++ b/fs/smb/client/cached_dir.c
@@ -417,6 +417,7 @@ smb2_close_cached_fid(struct kref *ref)
{
struct cached_fid *cfid = container_of(ref, struct cached_fid,
refcount);
+ int rc;
spin_lock(&cfid->cfids->cfid_list_lock);
if (cfid->on_list) {
@@ -430,9 +431,10 @@ smb2_close_cached_fid(struct kref *ref)
cfid->dentry = NULL;
if (cfid->is_open) {
- SMB2_close(0, cfid->tcon, cfid->fid.persistent_fid,
+ rc = SMB2_close(0, cfid->tcon, cfid->fid.persistent_fid,
cfid->fid.volatile_fid);
- atomic_dec(&cfid->tcon->num_remote_opens);
+ if (rc != -EBUSY && rc != -EAGAIN)
+ atomic_dec(&cfid->tcon->num_remote_opens);
}
free_cached_dir(cfid);
diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c
index aa6f1ecb7c0e8..d41eedbff674a 100644
--- a/fs/smb/client/cifsfs.c
+++ b/fs/smb/client/cifsfs.c
@@ -156,6 +156,7 @@ struct workqueue_struct *decrypt_wq;
struct workqueue_struct *fileinfo_put_wq;
struct workqueue_struct *cifsoplockd_wq;
struct workqueue_struct *deferredclose_wq;
+struct workqueue_struct *serverclose_wq;
__u32 cifs_lock_secret;
/*
@@ -1888,6 +1889,13 @@ init_cifs(void)
goto out_destroy_cifsoplockd_wq;
}
+ serverclose_wq = alloc_workqueue("serverclose",
+ WQ_FREEZABLE|WQ_MEM_RECLAIM, 0);
+ if (!serverclose_wq) {
+ rc = -ENOMEM;
+ goto out_destroy_serverclose_wq;
+ }
+
rc = cifs_init_inodecache();
if (rc)
goto out_destroy_deferredclose_wq;
@@ -1962,6 +1970,8 @@ init_cifs(void)
destroy_workqueue(decrypt_wq);
out_destroy_cifsiod_wq:
destroy_workqueue(cifsiod_wq);
+out_destroy_serverclose_wq:
+ destroy_workqueue(serverclose_wq);
out_clean_proc:
cifs_proc_clean();
return rc;
@@ -1991,6 +2001,7 @@ exit_cifs(void)
destroy_workqueue(cifsoplockd_wq);
destroy_workqueue(decrypt_wq);
destroy_workqueue(fileinfo_put_wq);
+ destroy_workqueue(serverclose_wq);
destroy_workqueue(cifsiod_wq);
cifs_proc_clean();
}
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h
index 286afbe346be0..77ca7861a2cc8 100644
--- a/fs/smb/client/cifsglob.h
+++ b/fs/smb/client/cifsglob.h
@@ -442,10 +442,10 @@ struct smb_version_operations {
/* set fid protocol-specific info */
void (*set_fid)(struct cifsFileInfo *, struct cifs_fid *, __u32);
/* close a file */
- void (*close)(const unsigned int, struct cifs_tcon *,
+ int (*close)(const unsigned int, struct cifs_tcon *,
struct cifs_fid *);
/* close a file, returning file attributes and timestamps */
- void (*close_getattr)(const unsigned int xid, struct cifs_tcon *tcon,
+ int (*close_getattr)(const unsigned int xid, struct cifs_tcon *tcon,
struct cifsFileInfo *pfile_info);
/* send a flush request to the server */
int (*flush)(const unsigned int, struct cifs_tcon *, struct cifs_fid *);
@@ -1439,6 +1439,7 @@ struct cifsFileInfo {
bool swapfile:1;
bool oplock_break_cancelled:1;
bool status_file_deleted:1; /* file has been deleted */
+ bool offload:1; /* offload final part of _put to a wq */
unsigned int oplock_epoch; /* epoch from the lease break */
__u32 oplock_level; /* oplock/lease level from the lease break */
int count;
@@ -1447,6 +1448,7 @@ struct cifsFileInfo {
struct cifs_search_info srch_inf;
struct work_struct oplock_break; /* work for oplock breaks */
struct work_struct put; /* work for the final part of _put */
+ struct work_struct serverclose; /* work for serverclose */
struct delayed_work deferred;
bool deferred_close_scheduled; /* Flag to indicate close is scheduled */
char *symlink_target;
@@ -2103,6 +2105,7 @@ extern struct workqueue_struct *decrypt_wq;
extern struct workqueue_struct *fileinfo_put_wq;
extern struct workqueue_struct *cifsoplockd_wq;
extern struct workqueue_struct *deferredclose_wq;
+extern struct workqueue_struct *serverclose_wq;
extern __u32 cifs_lock_secret;
extern mempool_t *cifs_sm_req_poolp;
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index ab536ce8a04a5..9be37d0fe724e 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -459,6 +459,7 @@ cifs_down_write(struct rw_semaphore *sem)
}
static void cifsFileInfo_put_work(struct work_struct *work);
+void serverclose_work(struct work_struct *work);
struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid, struct file *file,
struct tcon_link *tlink, __u32 oplock,
@@ -505,6 +506,7 @@ struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid, struct file *file,
cfile->tlink = cifs_get_tlink(tlink);
INIT_WORK(&cfile->oplock_break, cifs_oplock_break);
INIT_WORK(&cfile->put, cifsFileInfo_put_work);
+ INIT_WORK(&cfile->serverclose, serverclose_work);
INIT_DELAYED_WORK(&cfile->deferred, smb2_deferred_work_close);
mutex_init(&cfile->fh_mutex);
spin_lock_init(&cfile->file_info_lock);
@@ -596,6 +598,40 @@ static void cifsFileInfo_put_work(struct work_struct *work)
cifsFileInfo_put_final(cifs_file);
}
+void serverclose_work(struct work_struct *work)
+{
+ struct cifsFileInfo *cifs_file = container_of(work,
+ struct cifsFileInfo, serverclose);
+
+ struct cifs_tcon *tcon = tlink_tcon(cifs_file->tlink);
+
+ struct TCP_Server_Info *server = tcon->ses->server;
+ int rc = 0;
+ int retries = 0;
+ int MAX_RETRIES = 4;
+
+ do {
+ if (server->ops->close_getattr)
+ rc = server->ops->close_getattr(0, tcon, cifs_file);
+ else if (server->ops->close)
+ rc = server->ops->close(0, tcon, &cifs_file->fid);
+
+ if (rc == -EBUSY || rc == -EAGAIN) {
+ retries++;
+ msleep(250);
+ }
+ } while ((rc == -EBUSY || rc == -EAGAIN) && (retries < MAX_RETRIES)
+ );
+
+ if (retries == MAX_RETRIES)
+ pr_warn("Serverclose failed %d times, giving up\n", MAX_RETRIES);
+
+ if (cifs_file->offload)
+ queue_work(fileinfo_put_wq, &cifs_file->put);
+ else
+ cifsFileInfo_put_final(cifs_file);
+}
+
/**
* cifsFileInfo_put - release a reference of file priv data
*
@@ -636,10 +672,13 @@ void _cifsFileInfo_put(struct cifsFileInfo *cifs_file,
struct cifs_fid fid = {};
struct cifs_pending_open open;
bool oplock_break_cancelled;
+ bool serverclose_offloaded = false;
spin_lock(&tcon->open_file_lock);
spin_lock(&cifsi->open_file_lock);
spin_lock(&cifs_file->file_info_lock);
+
+ cifs_file->offload = offload;
if (--cifs_file->count > 0) {
spin_unlock(&cifs_file->file_info_lock);
spin_unlock(&cifsi->open_file_lock);
@@ -681,13 +720,20 @@ void _cifsFileInfo_put(struct cifsFileInfo *cifs_file,
if (!tcon->need_reconnect && !cifs_file->invalidHandle) {
struct TCP_Server_Info *server = tcon->ses->server;
unsigned int xid;
+ int rc = 0;
xid = get_xid();
if (server->ops->close_getattr)
- server->ops->close_getattr(xid, tcon, cifs_file);
+ rc = server->ops->close_getattr(xid, tcon, cifs_file);
else if (server->ops->close)
- server->ops->close(xid, tcon, &cifs_file->fid);
+ rc = server->ops->close(xid, tcon, &cifs_file->fid);
_free_xid(xid);
+
+ if (rc == -EBUSY || rc == -EAGAIN) {
+ // Server close failed, hence offloading it as an async op
+ queue_work(serverclose_wq, &cifs_file->serverclose);
+ serverclose_offloaded = true;
+ }
}
if (oplock_break_cancelled)
@@ -695,10 +741,15 @@ void _cifsFileInfo_put(struct cifsFileInfo *cifs_file,
cifs_del_pending_open(&open);
- if (offload)
- queue_work(fileinfo_put_wq, &cifs_file->put);
- else
- cifsFileInfo_put_final(cifs_file);
+ // if serverclose has been offloaded to wq (on failure), it will
+ // handle offloading put as well. If serverclose not offloaded,
+ // we need to handle offloading put here.
+ if (!serverclose_offloaded) {
+ if (offload)
+ queue_work(fileinfo_put_wq, &cifs_file->put);
+ else
+ cifsFileInfo_put_final(cifs_file);
+ }
}
int cifs_open(struct inode *inode, struct file *file)
diff --git a/fs/smb/client/smb1ops.c b/fs/smb/client/smb1ops.c
index a9eaba8083b0d..212ec6f66ec65 100644
--- a/fs/smb/client/smb1ops.c
+++ b/fs/smb/client/smb1ops.c
@@ -753,11 +753,11 @@ cifs_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock)
cinode->can_cache_brlcks = CIFS_CACHE_WRITE(cinode);
}
-static void
+static int
cifs_close_file(const unsigned int xid, struct cifs_tcon *tcon,
struct cifs_fid *fid)
{
- CIFSSMBClose(xid, tcon, fid->netfid);
+ return CIFSSMBClose(xid, tcon, fid->netfid);
}
static int
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index 35bf7eb315cdf..87b63f6ad2e2e 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -1412,14 +1412,14 @@ smb2_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock)
memcpy(cfile->fid.create_guid, fid->create_guid, 16);
}
-static void
+static int
smb2_close_file(const unsigned int xid, struct cifs_tcon *tcon,
struct cifs_fid *fid)
{
- SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
+ return SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
}
-static void
+static int
smb2_close_getattr(const unsigned int xid, struct cifs_tcon *tcon,
struct cifsFileInfo *cfile)
{
@@ -1430,7 +1430,7 @@ smb2_close_getattr(const unsigned int xid, struct cifs_tcon *tcon,
rc = __SMB2_close(xid, tcon, cfile->fid.persistent_fid,
cfile->fid.volatile_fid, &file_inf);
if (rc)
- return;
+ return rc;
inode = d_inode(cfile->dentry);
@@ -1459,6 +1459,7 @@ smb2_close_getattr(const unsigned int xid, struct cifs_tcon *tcon,
/* End of file and Attributes should not have to be updated on close */
spin_unlock(&inode->i_lock);
+ return rc;
}
static int
diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c
index 3ea688558e6c9..c0c4933af5fc3 100644
--- a/fs/smb/client/smb2pdu.c
+++ b/fs/smb/client/smb2pdu.c
@@ -3628,9 +3628,9 @@ __SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
memcpy(&pbuf->network_open_info,
&rsp->network_open_info,
sizeof(pbuf->network_open_info));
+ atomic_dec(&tcon->num_remote_opens);
}
- atomic_dec(&tcon->num_remote_opens);
close_exit:
SMB2_close_free(&rqst);
free_rsp_buf(resp_buftype, rsp);
--
GitLab
From ca545b7f0823f19db0f1148d59bc5e1a56634502 Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Tue, 2 Apr 2024 16:33:53 -0300
Subject: [PATCH 2073/2686] smb: client: fix potential UAF in
cifs_debug_files_proc_show()
Skip sessions that are being teared down (status == SES_EXITING) to
avoid UAF.
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/cifs_debug.c | 2 ++
fs/smb/client/cifsglob.h | 10 ++++++++++
2 files changed, 12 insertions(+)
diff --git a/fs/smb/client/cifs_debug.c b/fs/smb/client/cifs_debug.c
index 226d4835c92db..c9aec9a38ad36 100644
--- a/fs/smb/client/cifs_debug.c
+++ b/fs/smb/client/cifs_debug.c
@@ -250,6 +250,8 @@ static int cifs_debug_files_proc_show(struct seq_file *m, void *v)
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) {
list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) {
+ if (cifs_ses_exiting(ses))
+ continue;
list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
spin_lock(&tcon->open_file_lock);
list_for_each_entry(cfile, &tcon->openFileList, tlist) {
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h
index 77ca7861a2cc8..f6a302205f89c 100644
--- a/fs/smb/client/cifsglob.h
+++ b/fs/smb/client/cifsglob.h
@@ -2325,4 +2325,14 @@ struct smb2_compound_vars {
struct kvec ea_iov;
};
+static inline bool cifs_ses_exiting(struct cifs_ses *ses)
+{
+ bool ret;
+
+ spin_lock(&ses->ses_lock);
+ ret = ses->ses_status == SES_EXITING;
+ spin_unlock(&ses->ses_lock);
+ return ret;
+}
+
#endif /* _CIFS_GLOB_H */
--
GitLab
From 58acd1f497162e7d282077f816faa519487be045 Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Tue, 2 Apr 2024 16:33:54 -0300
Subject: [PATCH 2074/2686] smb: client: fix potential UAF in
cifs_dump_full_key()
Skip sessions that are being teared down (status == SES_EXITING) to
avoid UAF.
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/ioctl.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/fs/smb/client/ioctl.c b/fs/smb/client/ioctl.c
index c012dfdba80d4..855ac5a62edfa 100644
--- a/fs/smb/client/ioctl.c
+++ b/fs/smb/client/ioctl.c
@@ -247,7 +247,9 @@ static int cifs_dump_full_key(struct cifs_tcon *tcon, struct smb3_full_key_debug
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(server_it, &cifs_tcp_ses_list, tcp_ses_list) {
list_for_each_entry(ses_it, &server_it->smb_ses_list, smb_ses_list) {
- if (ses_it->Suid == out.session_id) {
+ spin_lock(&ses_it->ses_lock);
+ if (ses_it->ses_status != SES_EXITING &&
+ ses_it->Suid == out.session_id) {
ses = ses_it;
/*
* since we are using the session outside the crit
@@ -255,9 +257,11 @@ static int cifs_dump_full_key(struct cifs_tcon *tcon, struct smb3_full_key_debug
* so increment its refcount
*/
cifs_smb_ses_inc_refcount(ses);
+ spin_unlock(&ses_it->ses_lock);
found = true;
goto search_end;
}
+ spin_unlock(&ses_it->ses_lock);
}
}
search_end:
--
GitLab
From d3da25c5ac84430f89875ca7485a3828150a7e0a Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Tue, 2 Apr 2024 16:33:55 -0300
Subject: [PATCH 2075/2686] smb: client: fix potential UAF in
cifs_stats_proc_write()
Skip sessions that are being teared down (status == SES_EXITING) to
avoid UAF.
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/cifs_debug.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/smb/client/cifs_debug.c b/fs/smb/client/cifs_debug.c
index c9aec9a38ad36..8535c99074626 100644
--- a/fs/smb/client/cifs_debug.c
+++ b/fs/smb/client/cifs_debug.c
@@ -678,6 +678,8 @@ static ssize_t cifs_stats_proc_write(struct file *file,
}
#endif /* CONFIG_CIFS_STATS2 */
list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) {
+ if (cifs_ses_exiting(ses))
+ continue;
list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
atomic_set(&tcon->num_smbs_sent, 0);
spin_lock(&tcon->stat_lock);
--
GitLab
From 0865ffefea197b437ba78b5dd8d8e256253efd65 Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Tue, 2 Apr 2024 16:33:56 -0300
Subject: [PATCH 2076/2686] smb: client: fix potential UAF in
cifs_stats_proc_show()
Skip sessions that are being teared down (status == SES_EXITING) to
avoid UAF.
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/cifs_debug.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/smb/client/cifs_debug.c b/fs/smb/client/cifs_debug.c
index 8535c99074626..c71ae5c043060 100644
--- a/fs/smb/client/cifs_debug.c
+++ b/fs/smb/client/cifs_debug.c
@@ -759,6 +759,8 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v)
}
#endif /* STATS2 */
list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) {
+ if (cifs_ses_exiting(ses))
+ continue;
list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
i++;
seq_printf(m, "\n%d) %s", i, tcon->tree_name);
--
GitLab
From 705c76fbf726c7a2f6ff9143d4013b18daaaebf1 Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Tue, 2 Apr 2024 16:33:58 -0300
Subject: [PATCH 2077/2686] smb: client: fix potential UAF in
smb2_is_valid_lease_break()
Skip sessions that are being teared down (status == SES_EXITING) to
avoid UAF.
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/smb2misc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/smb/client/smb2misc.c b/fs/smb/client/smb2misc.c
index 82b84a4941dd2..ed6d033dce96d 100644
--- a/fs/smb/client/smb2misc.c
+++ b/fs/smb/client/smb2misc.c
@@ -622,6 +622,8 @@ smb2_is_valid_lease_break(char *buffer, struct TCP_Server_Info *server)
/* look up tcon based on tid & uid */
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) {
+ if (cifs_ses_exiting(ses))
+ continue;
list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
spin_lock(&tcon->open_file_lock);
cifs_stats_inc(
--
GitLab
From 22863485a4626ec6ecf297f4cc0aef709bc862e4 Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Tue, 2 Apr 2024 16:33:59 -0300
Subject: [PATCH 2078/2686] smb: client: fix potential UAF in
smb2_is_valid_oplock_break()
Skip sessions that are being teared down (status == SES_EXITING) to
avoid UAF.
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/smb2misc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/smb/client/smb2misc.c b/fs/smb/client/smb2misc.c
index ed6d033dce96d..cc72be5a93a93 100644
--- a/fs/smb/client/smb2misc.c
+++ b/fs/smb/client/smb2misc.c
@@ -699,6 +699,8 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server)
/* look up tcon based on tid & uid */
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) {
+ if (cifs_ses_exiting(ses))
+ continue;
list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
spin_lock(&tcon->open_file_lock);
--
GitLab
From 69ccf040acddf33a3a85ec0f6b45ef84b0f7ec29 Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Tue, 2 Apr 2024 16:34:00 -0300
Subject: [PATCH 2079/2686] smb: client: fix potential UAF in
is_valid_oplock_break()
Skip sessions that are being teared down (status == SES_EXITING) to
avoid UAF.
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/misc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/smb/client/misc.c b/fs/smb/client/misc.c
index 1ea22b3955a2f..33ac4f8f5050c 100644
--- a/fs/smb/client/misc.c
+++ b/fs/smb/client/misc.c
@@ -481,6 +481,8 @@ is_valid_oplock_break(char *buffer, struct TCP_Server_Info *srv)
/* look up tcon based on tid & uid */
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) {
+ if (cifs_ses_exiting(ses))
+ continue;
list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
if (tcon->tid != buf->Tid)
continue;
--
GitLab
From 63981561ffd2d4987807df4126f96a11e18b0c1d Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Tue, 2 Apr 2024 16:34:02 -0300
Subject: [PATCH 2080/2686] smb: client: fix potential UAF in
smb2_is_network_name_deleted()
Skip sessions that are being teared down (status == SES_EXITING) to
avoid UAF.
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/smb2ops.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index 87b63f6ad2e2e..b156eefa75d7c 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -2481,6 +2481,8 @@ smb2_is_network_name_deleted(char *buf, struct TCP_Server_Info *server)
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) {
+ if (cifs_ses_exiting(ses))
+ continue;
list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
if (tcon->tid == le32_to_cpu(shdr->Id.SyncId.TreeId)) {
spin_lock(&tcon->tc_lock);
--
GitLab
From e0e50401cc3921c9eaf1b0e667db174519ea939f Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Tue, 2 Apr 2024 16:34:04 -0300
Subject: [PATCH 2081/2686] smb: client: fix potential UAF in
cifs_signal_cifsd_for_reconnect()
Skip sessions that are being teared down (status == SES_EXITING) to
avoid UAF.
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/connect.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index 95e4bda4fd517..85679ae106fd5 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -175,6 +175,8 @@ cifs_signal_cifsd_for_reconnect(struct TCP_Server_Info *server,
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) {
+ if (cifs_ses_exiting(ses))
+ continue;
spin_lock(&ses->chan_lock);
for (i = 0; i < ses->chan_count; i++) {
if (!ses->chans[i].server)
--
GitLab
From cffaefd15a8f423cdee5d8eac15d267bc92de314 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 20 Mar 2024 19:02:15 +0100
Subject: [PATCH 2082/2686] vdso: Use CONFIG_PAGE_SHIFT in vdso/datapage.h
Both the vdso rework and the CONFIG_PAGE_SHIFT changes were merged during
the v6.9 merge window, so it is now possible to use CONFIG_PAGE_SHIFT
instead of including asm/page.h in the vdso.
This avoids the workaround for arm64 - commit 8b3843ae3634 ("vdso/datapage:
Quick fix - use asm/page-def.h for ARM64") and addresses a build warning
for powerpc64:
In file included from <built-in>:4:
In file included from /home/arnd/arm-soc/arm-soc/lib/vdso/gettimeofday.c:5:
In file included from ../include/vdso/datapage.h:25:
arch/powerpc/include/asm/page.h:230:9: error: result of comparison of constant 13835058055282163712 with expression of type 'unsigned long' is always true [-Werror,-Wtautological-constant-out-of-range-compare]
230 | return __pa(kaddr) >> PAGE_SHIFT;
| ^~~~~~~~~~~
arch/powerpc/include/asm/page.h:217:37: note: expanded from macro '__pa'
217 | VIRTUAL_WARN_ON((unsigned long)(x) < PAGE_OFFSET); \
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
arch/powerpc/include/asm/page.h:202:73: note: expanded from macro 'VIRTUAL_WARN_ON'
202 | #define VIRTUAL_WARN_ON(x) WARN_ON(IS_ENABLED(CONFIG_DEBUG_VIRTUAL) && (x))
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
arch/powerpc/include/asm/bug.h:88:25: note: expanded from macro 'WARN_ON'
88 | int __ret_warn_on = !!(x); \
| ^
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Link: https://lore.kernel.org/r/20240320180228.136371-1-arnd@kernel.org
---
arch/powerpc/include/asm/vdso/gettimeofday.h | 3 +--
include/vdso/datapage.h | 8 +-------
2 files changed, 2 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/include/asm/vdso/gettimeofday.h b/arch/powerpc/include/asm/vdso/gettimeofday.h
index f0a4cf01e85c0..78302f6c25800 100644
--- a/arch/powerpc/include/asm/vdso/gettimeofday.h
+++ b/arch/powerpc/include/asm/vdso/gettimeofday.h
@@ -4,7 +4,6 @@
#ifndef __ASSEMBLY__
-#include <asm/page.h>
#include <asm/vdso/timebase.h>
#include <asm/barrier.h>
#include <asm/unistd.h>
@@ -95,7 +94,7 @@ const struct vdso_data *__arch_get_vdso_data(void);
static __always_inline
const struct vdso_data *__arch_get_timens_vdso_data(const struct vdso_data *vd)
{
- return (void *)vd + PAGE_SIZE;
+ return (void *)vd + (1U << CONFIG_PAGE_SHIFT);
}
#endif
diff --git a/include/vdso/datapage.h b/include/vdso/datapage.h
index 5d5c0b8efff2d..c71ddb6d46914 100644
--- a/include/vdso/datapage.h
+++ b/include/vdso/datapage.h
@@ -19,12 +19,6 @@
#include <vdso/time32.h>
#include <vdso/time64.h>
-#ifdef CONFIG_ARM64
-#include <asm/page-def.h>
-#else
-#include <asm/page.h>
-#endif
-
#ifdef CONFIG_ARCH_HAS_VDSO_DATA
#include <asm/vdso/data.h>
#else
@@ -132,7 +126,7 @@ extern struct vdso_data _timens_data[CS_BASES] __attribute__((visibility("hidden
*/
union vdso_data_store {
struct vdso_data data[CS_BASES];
- u8 page[PAGE_SIZE];
+ u8 page[1U << CONFIG_PAGE_SHIFT];
};
/*
--
GitLab
From dd19e827d63ac60debf117676d1126bff884bdb8 Mon Sep 17 00:00:00 2001
From: Joshua Hay <joshua.a.hay@intel.com>
Date: Wed, 20 Mar 2024 17:09:25 -0700
Subject: [PATCH 2083/2686] idpf: fix kernel panic on unknown packet types
In the very rare case where a packet type is unknown to the driver,
idpf_rx_process_skb_fields would return early without calling
eth_type_trans to set the skb protocol / the network layer handler.
This is especially problematic if tcpdump is running when such a
packet is received, i.e. it would cause a kernel panic.
Instead, call eth_type_trans for every single packet, even when
the packet type is unknown.
Fixes: 3a8845af66ed ("idpf: add RX splitq napi poll support")
Reported-by: Balazs Nemeth <bnemeth@redhat.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Salvatore Daniele <sdaniele@redhat.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
drivers/net/ethernet/intel/idpf/idpf_txrx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
index 6dd7a66bb8979..f5bc4a2780745 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_txrx.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
@@ -2941,6 +2941,8 @@ static int idpf_rx_process_skb_fields(struct idpf_queue *rxq,
rx_ptype = le16_get_bits(rx_desc->ptype_err_fflags0,
VIRTCHNL2_RX_FLEX_DESC_ADV_PTYPE_M);
+ skb->protocol = eth_type_trans(skb, rxq->vport->netdev);
+
decoded = rxq->vport->rx_ptype_lkup[rx_ptype];
/* If we don't know the ptype we can't do anything else with it. Just
* pass it up the stack as-is.
@@ -2951,8 +2953,6 @@ static int idpf_rx_process_skb_fields(struct idpf_queue *rxq,
/* process RSS/hash */
idpf_rx_hash(rxq, skb, rx_desc, &decoded);
- skb->protocol = eth_type_trans(skb, rxq->vport->netdev);
-
if (le16_get_bits(rx_desc->hdrlen_flags,
VIRTCHNL2_RX_FLEX_DESC_ADV_RSC_M))
return idpf_rx_rsc(rxq, skb, rx_desc, &decoded);
--
GitLab
From f7c52345ccc96343c0a05bdea3121c8ac7b67d5f Mon Sep 17 00:00:00 2001
From: Kwangjin Ko <kwangjin.ko@sk.com>
Date: Tue, 2 Apr 2024 17:14:03 +0900
Subject: [PATCH 2084/2686] cxl/core: Fix initialization of mbox_cmd.size_out
in get event
Since mbox_cmd.size_out is overwritten with the actual output size in
the function below, it needs to be initialized every time.
cxl_internal_send_cmd -> __cxl_pci_mbox_send_cmd
Problem scenario:
1) The size_out variable is initially set to the size of the mailbox.
2) Read an event.
- size_out is set to 160 bytes(header 32B + one event 128B).
- Two event are created while reading.
3) Read the new *two* events.
- size_out is still set to 160 bytes.
- Although the value of out_len is 288 bytes, only 160 bytes are
copied from the mailbox register to the local variable.
- record_count is set to 2.
- Accessing records[1] will result in reading incorrect data.
Fixes: 6ebe28f9ec72 ("cxl/mem: Read, trace, and clear events on driver load")
Tested-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Kwangjin Ko <kwangjin.ko@sk.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
drivers/cxl/core/mbox.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c
index 50146161887d5..f0f54aeccc872 100644
--- a/drivers/cxl/core/mbox.c
+++ b/drivers/cxl/core/mbox.c
@@ -958,13 +958,14 @@ static void cxl_mem_get_records_log(struct cxl_memdev_state *mds,
.payload_in = &log_type,
.size_in = sizeof(log_type),
.payload_out = payload,
- .size_out = mds->payload_size,
.min_out = struct_size(payload, records, 0),
};
do {
int rc, i;
+ mbox_cmd.size_out = mds->payload_size;
+
rc = cxl_internal_send_cmd(mds, &mbox_cmd);
if (rc) {
dev_err_ratelimited(dev,
--
GitLab
From e7d24c0aa8e678f41457d1304e2091cac6fd1a2e Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ardb@kernel.org>
Date: Thu, 28 Mar 2024 07:42:57 +0100
Subject: [PATCH 2085/2686] gcc-plugins/stackleak: Avoid .head.text section
The .head.text section carries the startup code that runs with the MMU
off or with a translation of memory that deviates from the ordinary one.
So avoid instrumentation with the stackleak plugin, which already avoids
.init.text and .noinstr.text entirely.
Fixes: 48204aba801f1b51 ("x86/sme: Move early SME kernel encryption handling into .head.text")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202403221630.2692c998-oliver.sang@intel.com
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20240328064256.2358634-2-ardb+git@google.com
Signed-off-by: Kees Cook <keescook@chromium.org>
---
scripts/gcc-plugins/stackleak_plugin.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/scripts/gcc-plugins/stackleak_plugin.c b/scripts/gcc-plugins/stackleak_plugin.c
index c5c2ce113c923..d20c47d21ad83 100644
--- a/scripts/gcc-plugins/stackleak_plugin.c
+++ b/scripts/gcc-plugins/stackleak_plugin.c
@@ -467,6 +467,8 @@ static bool stackleak_gate(void)
return false;
if (STRING_EQUAL(section, ".entry.text"))
return false;
+ if (STRING_EQUAL(section, ".head.text"))
+ return false;
}
return track_frame_size >= 0;
--
GitLab
From bbda3ba626b9f57ff6063058877eca856f5b734d Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 3 Apr 2024 10:06:20 +0200
Subject: [PATCH 2086/2686] ubsan: fix unused variable warning in test module
This is one of the drivers with an unused variable that is marked 'const'.
Adding a __used annotation here avoids the warning and lets us enable
the option by default:
lib/test_ubsan.c:137:28: error: unused variable 'skip_ubsan_array' [-Werror,-Wunused-const-variable]
Fixes: 4a26f49b7b3d ("ubsan: expand tests and reporting")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240403080702.3509288-3-arnd@kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
---
lib/test_ubsan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/test_ubsan.c b/lib/test_ubsan.c
index 276c12140ee26..c288df9372ede 100644
--- a/lib/test_ubsan.c
+++ b/lib/test_ubsan.c
@@ -134,7 +134,7 @@ static const test_ubsan_fp test_ubsan_array[] = {
};
/* Excluded because they Oops the module. */
-static const test_ubsan_fp skip_ubsan_array[] = {
+static __used const test_ubsan_fp skip_ubsan_array[] = {
test_ubsan_divrem_overflow,
};
--
GitLab
From 9c573cd313433f6c1f7236fe64b9b743500c1628 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Sat, 9 Mar 2024 12:24:48 -0800
Subject: [PATCH 2087/2686] randomize_kstack: Improve entropy diffusion
The kstack_offset variable was really only ever using the low bits for
kernel stack offset entropy. Add a ror32() to increase bit diffusion.
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 39218ff4c625 ("stack: Optionally randomize kernel stack offset each syscall")
Link: https://lore.kernel.org/r/20240309202445.work.165-kees@kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
---
include/linux/randomize_kstack.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/randomize_kstack.h b/include/linux/randomize_kstack.h
index 5d868505a94e4..6d92b68efbf6c 100644
--- a/include/linux/randomize_kstack.h
+++ b/include/linux/randomize_kstack.h
@@ -80,7 +80,7 @@ DECLARE_PER_CPU(u32, kstack_offset);
if (static_branch_maybe(CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT, \
&randomize_kstack_offset)) { \
u32 offset = raw_cpu_read(kstack_offset); \
- offset ^= (rand); \
+ offset = ror32(offset, 5) ^ (rand); \
raw_cpu_write(kstack_offset, offset); \
} \
} while (0)
--
GitLab
From 95197779091166b9ed4b1c630c13600abf94ada7 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 3 Apr 2024 10:06:22 +0200
Subject: [PATCH 2088/2686] i2c: pxa: hide unused icr_bits[] variable
The function using this is hidden in an #ifdef, so the variable
needs the same one for a clean W=1 build:
drivers/i2c/busses/i2c-pxa.c:327:26: error: 'icr_bits' defined but not used [-Werror=unused-const-variable=]
Fixes: d6a7b5f84b5c ("[ARM] 4827/1: fix two warnings in drivers/i2c/busses/i2c-pxa.c")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
---
drivers/i2c/busses/i2c-pxa.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index 76f79b68cef84..888ca636f3f3b 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -324,6 +324,7 @@ static void decode_ISR(unsigned int val)
decode_bits(KERN_DEBUG "ISR", isr_bits, ARRAY_SIZE(isr_bits), val);
}
+#ifdef CONFIG_I2C_PXA_SLAVE
static const struct bits icr_bits[] = {
PXA_BIT(ICR_START, "START", NULL),
PXA_BIT(ICR_STOP, "STOP", NULL),
@@ -342,7 +343,6 @@ static const struct bits icr_bits[] = {
PXA_BIT(ICR_UR, "UR", "ur"),
};
-#ifdef CONFIG_I2C_PXA_SLAVE
static void decode_ICR(unsigned int val)
{
decode_bits(KERN_DEBUG "ICR", icr_bits, ARRAY_SIZE(icr_bits), val);
--
GitLab
From c27fa53b858b4ee6552a719aa599c250cf98a586 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= <bjorn@rivosinc.com>
Date: Wed, 3 Apr 2024 09:26:38 +0200
Subject: [PATCH 2089/2686] riscv: Fix vector state restore in rt_sigreturn()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The RISC-V Vector specification states in "Appendix D: Calling
Convention for Vector State" [1] that "Executing a system call causes
all caller-saved vector registers (v0-v31, vl, vtype) and vstart to
become unspecified.". In the RISC-V kernel this is called "discarding
the vstate".
Returning from a signal handler via the rt_sigreturn() syscall, vector
discard is also performed. However, this is not an issue since the
vector state should be restored from the sigcontext, and therefore not
care about the vector discard.
The "live state" is the actual vector register in the running context,
and the "vstate" is the vector state of the task. A dirty live state,
means that the vstate and live state are not in synch.
When vectorized user_from_copy() was introduced, an bug sneaked in at
the restoration code, related to the discard of the live state.
An example when this go wrong:
1. A userland application is executing vector code
2. The application receives a signal, and the signal handler is
entered.
3. The application returns from the signal handler, using the
rt_sigreturn() syscall.
4. The live vector state is discarded upon entering the
rt_sigreturn(), and the live state is marked as "dirty", indicating
that the live state need to be synchronized with the current
vstate.
5. rt_sigreturn() restores the vstate, except the Vector registers,
from the sigcontext
6. rt_sigreturn() restores the Vector registers, from the sigcontext,
and now the vectorized user_from_copy() is used. The dirty live
state from the discard is saved to the vstate, making the vstate
corrupt.
7. rt_sigreturn() returns to the application, which crashes due to
corrupted vstate.
Note that the vectorized user_from_copy() is invoked depending on the
value of CONFIG_RISCV_ISA_V_UCOPY_THRESHOLD. Default is 768, which
means that vlen has to be larger than 128b for this bug to trigger.
The fix is simply to mark the live state as non-dirty/clean prior
performing the vstate restore.
Link: https://github.com/riscv/riscv-isa-manual/releases/download/riscv-isa-release-8abdb41-2024-03-26/unpriv-isa-asciidoc.pdf # [1]
Reported-by: Charlie Jenkins <charlie@rivosinc.com>
Reported-by: Vineet Gupta <vgupta@kernel.org>
Fixes: c2a658d41924 ("riscv: lib: vectorize copy_to_user/copy_from_user")
Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Reviewed-by: Andy Chiu <andy.chiu@sifive.com>
Tested-by: Vineet Gupta <vineetg@rivosinc.com>
Link: https://lore.kernel.org/r/20240403072638.567446-1-bjorn@kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/kernel/signal.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/arch/riscv/kernel/signal.c b/arch/riscv/kernel/signal.c
index 501e66debf697..5a2edd7f027e5 100644
--- a/arch/riscv/kernel/signal.c
+++ b/arch/riscv/kernel/signal.c
@@ -119,6 +119,13 @@ static long __restore_v_state(struct pt_regs *regs, void __user *sc_vec)
struct __sc_riscv_v_state __user *state = sc_vec;
void __user *datap;
+ /*
+ * Mark the vstate as clean prior performing the actual copy,
+ * to avoid getting the vstate incorrectly clobbered by the
+ * discarded vector state.
+ */
+ riscv_v_vstate_set_restore(current, regs);
+
/* Copy everything of __sc_riscv_v_state except datap. */
err = __copy_from_user(¤t->thread.vstate, &state->v_state,
offsetof(struct __riscv_v_ext_state, datap));
@@ -133,13 +140,7 @@ static long __restore_v_state(struct pt_regs *regs, void __user *sc_vec)
* Copy the whole vector content from user space datap. Use
* copy_from_user to prevent information leak.
*/
- err = copy_from_user(current->thread.vstate.datap, datap, riscv_v_vsize);
- if (unlikely(err))
- return err;
-
- riscv_v_vstate_set_restore(current, regs);
-
- return err;
+ return copy_from_user(current->thread.vstate.datap, datap, riscv_v_vsize);
}
#else
#define save_v_state(task, regs) (0)
--
GitLab
From e60aa472400b1ff8d0e6c563a2eb05916927f10a Mon Sep 17 00:00:00 2001
From: Thomas Bertschinger <tahbertschinger@gmail.com>
Date: Thu, 14 Mar 2024 10:02:18 -0600
Subject: [PATCH 2090/2686] bcachefs: create debugfs dir for each btree
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This creates a subdirectory for each individual btree under the btrees/
debugfs directory.
Directory structure, before:
/sys/kernel/debug/bcachefs/$FS_ID/btrees/
├── alloc
├── alloc-bfloat-failed
├── alloc-formats
├── backpointers
├── backpointers-bfloat-failed
├── backpointers-formats
...
Directory structure, after:
/sys/kernel/debug/bcachefs/$FS_ID/btrees/
├── alloc
│  ├── bfloat-failed
│  ├── formats
│  └── keys
├── backpointers
│  ├── bfloat-failed
│  ├── formats
│  └── keys
...
Signed-off-by: Thomas Bertschinger <tahbertschinger@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/debug.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)
diff --git a/fs/bcachefs/debug.c b/fs/bcachefs/debug.c
index 208ce6f0fc431..7b681ae91510e 100644
--- a/fs/bcachefs/debug.c
+++ b/fs/bcachefs/debug.c
@@ -866,6 +866,20 @@ void bch2_fs_debug_exit(struct bch_fs *c)
debugfs_remove_recursive(c->fs_debug_dir);
}
+static void bch2_fs_debug_btree_init(struct bch_fs *c, struct btree_debug *bd)
+{
+ struct dentry *d;
+
+ d = debugfs_create_dir(bch2_btree_id_str(bd->id), c->btree_debug_dir);
+
+ debugfs_create_file("keys", 0400, d, bd, &btree_debug_ops);
+
+ debugfs_create_file("formats", 0400, d, bd, &btree_format_debug_ops);
+
+ debugfs_create_file("bfloat-failed", 0400, d, bd,
+ &bfloat_failed_debug_ops);
+}
+
void bch2_fs_debug_init(struct bch_fs *c)
{
struct btree_debug *bd;
@@ -902,21 +916,7 @@ void bch2_fs_debug_init(struct bch_fs *c)
bd < c->btree_debug + ARRAY_SIZE(c->btree_debug);
bd++) {
bd->id = bd - c->btree_debug;
- debugfs_create_file(bch2_btree_id_str(bd->id),
- 0400, c->btree_debug_dir, bd,
- &btree_debug_ops);
-
- snprintf(name, sizeof(name), "%s-formats",
- bch2_btree_id_str(bd->id));
-
- debugfs_create_file(name, 0400, c->btree_debug_dir, bd,
- &btree_format_debug_ops);
-
- snprintf(name, sizeof(name), "%s-bfloat-failed",
- bch2_btree_id_str(bd->id));
-
- debugfs_create_file(name, 0400, c->btree_debug_dir, bd,
- &bfloat_failed_debug_ops);
+ bch2_fs_debug_btree_init(c, bd);
}
}
--
GitLab
From cbc17e7802f5de37c7c262204baadfad3f7f99e5 Mon Sep 17 00:00:00 2001
From: Wei Fang <wei.fang@nxp.com>
Date: Thu, 28 Mar 2024 15:59:29 +0000
Subject: [PATCH 2091/2686] net: fec: Set mac_managed_pm during probe
Setting mac_managed_pm during interface up is too late.
In situations where the link is not brought up yet and the system suspends
the regular PHY power management will run. Since the FEC ETHEREN control
bit is cleared (automatically) on suspend the controller is off in resume.
When the regular PHY power management resume path runs in this context it
will write to the MII_DATA register but nothing will be transmitted on the
MDIO bus.
This can be observed by the following log:
fec 5b040000.ethernet eth0: MDIO read timeout
Microchip LAN87xx T1 5b040000.ethernet-1:04: PM: dpm_run_callback(): mdio_bus_phy_resume+0x0/0xc8 returns -110
Microchip LAN87xx T1 5b040000.ethernet-1:04: PM: failed to resume: error -110
The data written will however remain in the MII_DATA register.
When the link later is set to administrative up it will trigger a call to
fec_restart() which will restore the MII_SPEED register. This triggers the
quirk explained in f166f890c8f0 ("net: ethernet: fec: Replace interrupt
driven MDIO with polled IO") causing an extra MII_EVENT.
This extra event desynchronizes all the MDIO register reads, causing them
to complete too early. Leading all reads to read as 0 because
fec_enet_mdio_wait() returns too early.
When a Microchip LAN8700R PHY is connected to the FEC, the 0 reads causes
the PHY to be initialized incorrectly and the PHY will not transmit any
ethernet signal in this state. It cannot be brought out of this state
without a power cycle of the PHY.
Fixes: 557d5dc83f68 ("net: fec: use mac-managed PHY PM")
Closes: https://lore.kernel.org/netdev/1f45bdbe-eab1-4e59-8f24-add177590d27@actia.se/
Signed-off-by: Wei Fang <wei.fang@nxp.com>
[jernberg: commit message]
Signed-off-by: John Ernberg <john.ernberg@actia.se>
Link: https://lore.kernel.org/r/20240328155909.59613-2-john.ernberg@actia.se
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/freescale/fec_main.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index d7693fdf640d5..8bd213da8fb6f 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -2454,8 +2454,6 @@ static int fec_enet_mii_probe(struct net_device *ndev)
fep->link = 0;
fep->full_duplex = 0;
- phy_dev->mac_managed_pm = true;
-
phy_attached_info(phy_dev);
return 0;
@@ -2467,10 +2465,12 @@ static int fec_enet_mii_init(struct platform_device *pdev)
struct net_device *ndev = platform_get_drvdata(pdev);
struct fec_enet_private *fep = netdev_priv(ndev);
bool suppress_preamble = false;
+ struct phy_device *phydev;
struct device_node *node;
int err = -ENXIO;
u32 mii_speed, holdtime;
u32 bus_freq;
+ int addr;
/*
* The i.MX28 dual fec interfaces are not equal.
@@ -2584,6 +2584,13 @@ static int fec_enet_mii_init(struct platform_device *pdev)
goto err_out_free_mdiobus;
of_node_put(node);
+ /* find all the PHY devices on the bus and set mac_managed_pm to true */
+ for (addr = 0; addr < PHY_MAX_ADDR; addr++) {
+ phydev = mdiobus_get_phy(fep->mii_bus, addr);
+ if (phydev)
+ phydev->mac_managed_pm = true;
+ }
+
mii_cnt++;
/* save fec0 mii_bus */
--
GitLab
From c644920ce9220d83e070f575a4df711741c07f07 Mon Sep 17 00:00:00 2001
From: Duanqiang Wen <duanqiangwen@net-swift.com>
Date: Tue, 2 Apr 2024 10:18:43 +0800
Subject: [PATCH 2092/2686] net: txgbe: fix i2c dev name cannot match clkdev
txgbe clkdev shortened clk_name, so i2c_dev info_name
also need to shorten. Otherwise, i2c_dev cannot initialize
clock.
Fixes: e30cef001da2 ("net: txgbe: fix clk_name exceed MAX_DEV_ID limits")
Signed-off-by: Duanqiang Wen <duanqiangwen@net-swift.com>
Link: https://lore.kernel.org/r/20240402021843.126192-1-duanqiangwen@net-swift.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
index 5b5d5e4310d12..2fa511227eac8 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
@@ -20,6 +20,8 @@
#include "txgbe_phy.h"
#include "txgbe_hw.h"
+#define TXGBE_I2C_CLK_DEV_NAME "i2c_dw"
+
static int txgbe_swnodes_register(struct txgbe *txgbe)
{
struct txgbe_nodes *nodes = &txgbe->nodes;
@@ -571,8 +573,8 @@ static int txgbe_clock_register(struct txgbe *txgbe)
char clk_name[32];
struct clk *clk;
- snprintf(clk_name, sizeof(clk_name), "i2c_dw.%d",
- pci_dev_id(pdev));
+ snprintf(clk_name, sizeof(clk_name), "%s.%d",
+ TXGBE_I2C_CLK_DEV_NAME, pci_dev_id(pdev));
clk = clk_register_fixed_rate(NULL, clk_name, NULL, 0, 156250000);
if (IS_ERR(clk))
@@ -634,7 +636,7 @@ static int txgbe_i2c_register(struct txgbe *txgbe)
info.parent = &pdev->dev;
info.fwnode = software_node_fwnode(txgbe->nodes.group[SWNODE_I2C]);
- info.name = "i2c_designware";
+ info.name = TXGBE_I2C_CLK_DEV_NAME;
info.id = pci_dev_id(pdev);
info.res = &DEFINE_RES_IRQ(pdev->irq);
--
GitLab
From b3da86d432b7cd65b025a11f68613e333d2483db Mon Sep 17 00:00:00 2001
From: Piotr Wejman <piotrwejman90@gmail.com>
Date: Mon, 1 Apr 2024 21:22:39 +0200
Subject: [PATCH 2093/2686] net: stmmac: fix rx queue priority assignment
The driver should ensure that same priority is not mapped to multiple
rx queues. From DesignWare Cores Ethernet Quality-of-Service
Databook, section 17.1.29 MAC_RxQ_Ctrl2:
"[...]The software must ensure that the content of this field is
mutually exclusive to the PSRQ fields for other queues, that is,
the same priority is not mapped to multiple Rx queues[...]"
Previously rx_queue_priority() function was:
- clearing all priorities from a queue
- adding new priorities to that queue
After this patch it will:
- first assign new priorities to a queue
- then remove those priorities from all other queues
- keep other priorities previously assigned to that queue
Fixes: a8f5102af2a7 ("net: stmmac: TX and RX queue priority configuration")
Fixes: 2142754f8b9c ("net: stmmac: Add MAC related callbacks for XGMAC2")
Signed-off-by: Piotr Wejman <piotrwejman90@gmail.com>
Link: https://lore.kernel.org/r/20240401192239.33942-1-piotrwejman90@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../net/ethernet/stmicro/stmmac/dwmac4_core.c | 40 ++++++++++++++-----
.../ethernet/stmicro/stmmac/dwxgmac2_core.c | 38 ++++++++++++++----
2 files changed, 62 insertions(+), 16 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index 6b6d0de096197..cef25efbdff99 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -92,19 +92,41 @@ static void dwmac4_rx_queue_priority(struct mac_device_info *hw,
u32 prio, u32 queue)
{
void __iomem *ioaddr = hw->pcsr;
- u32 base_register;
- u32 value;
+ u32 clear_mask = 0;
+ u32 ctrl2, ctrl3;
+ int i;
- base_register = (queue < 4) ? GMAC_RXQ_CTRL2 : GMAC_RXQ_CTRL3;
- if (queue >= 4)
- queue -= 4;
+ ctrl2 = readl(ioaddr + GMAC_RXQ_CTRL2);
+ ctrl3 = readl(ioaddr + GMAC_RXQ_CTRL3);
- value = readl(ioaddr + base_register);
+ /* The software must ensure that the same priority
+ * is not mapped to multiple Rx queues
+ */
+ for (i = 0; i < 4; i++)
+ clear_mask |= ((prio << GMAC_RXQCTRL_PSRQX_SHIFT(i)) &
+ GMAC_RXQCTRL_PSRQX_MASK(i));
+
+ ctrl2 &= ~clear_mask;
+ ctrl3 &= ~clear_mask;
+
+ /* First assign new priorities to a queue, then
+ * clear them from others queues
+ */
+ if (queue < 4) {
+ ctrl2 |= (prio << GMAC_RXQCTRL_PSRQX_SHIFT(queue)) &
+ GMAC_RXQCTRL_PSRQX_MASK(queue);
- value &= ~GMAC_RXQCTRL_PSRQX_MASK(queue);
- value |= (prio << GMAC_RXQCTRL_PSRQX_SHIFT(queue)) &
+ writel(ctrl2, ioaddr + GMAC_RXQ_CTRL2);
+ writel(ctrl3, ioaddr + GMAC_RXQ_CTRL3);
+ } else {
+ queue -= 4;
+
+ ctrl3 |= (prio << GMAC_RXQCTRL_PSRQX_SHIFT(queue)) &
GMAC_RXQCTRL_PSRQX_MASK(queue);
- writel(value, ioaddr + base_register);
+
+ writel(ctrl3, ioaddr + GMAC_RXQ_CTRL3);
+ writel(ctrl2, ioaddr + GMAC_RXQ_CTRL2);
+ }
}
static void dwmac4_tx_queue_priority(struct mac_device_info *hw,
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index 1af2f89a0504a..e841e312077ef 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -105,17 +105,41 @@ static void dwxgmac2_rx_queue_prio(struct mac_device_info *hw, u32 prio,
u32 queue)
{
void __iomem *ioaddr = hw->pcsr;
- u32 value, reg;
+ u32 clear_mask = 0;
+ u32 ctrl2, ctrl3;
+ int i;
- reg = (queue < 4) ? XGMAC_RXQ_CTRL2 : XGMAC_RXQ_CTRL3;
- if (queue >= 4)
+ ctrl2 = readl(ioaddr + XGMAC_RXQ_CTRL2);
+ ctrl3 = readl(ioaddr + XGMAC_RXQ_CTRL3);
+
+ /* The software must ensure that the same priority
+ * is not mapped to multiple Rx queues
+ */
+ for (i = 0; i < 4; i++)
+ clear_mask |= ((prio << XGMAC_PSRQ_SHIFT(i)) &
+ XGMAC_PSRQ(i));
+
+ ctrl2 &= ~clear_mask;
+ ctrl3 &= ~clear_mask;
+
+ /* First assign new priorities to a queue, then
+ * clear them from others queues
+ */
+ if (queue < 4) {
+ ctrl2 |= (prio << XGMAC_PSRQ_SHIFT(queue)) &
+ XGMAC_PSRQ(queue);
+
+ writel(ctrl2, ioaddr + XGMAC_RXQ_CTRL2);
+ writel(ctrl3, ioaddr + XGMAC_RXQ_CTRL3);
+ } else {
queue -= 4;
- value = readl(ioaddr + reg);
- value &= ~XGMAC_PSRQ(queue);
- value |= (prio << XGMAC_PSRQ_SHIFT(queue)) & XGMAC_PSRQ(queue);
+ ctrl3 |= (prio << XGMAC_PSRQ_SHIFT(queue)) &
+ XGMAC_PSRQ(queue);
- writel(value, ioaddr + reg);
+ writel(ctrl3, ioaddr + XGMAC_RXQ_CTRL3);
+ writel(ctrl2, ioaddr + XGMAC_RXQ_CTRL2);
+ }
}
static void dwxgmac2_tx_queue_prio(struct mac_device_info *hw, u32 prio,
--
GitLab
From de99e1ea3a35f23ff83a31d6b08f43d27b2c6345 Mon Sep 17 00:00:00 2001
From: Horatiu Vultur <horatiu.vultur@microchip.com>
Date: Tue, 2 Apr 2024 09:16:34 +0200
Subject: [PATCH 2094/2686] net: phy: micrel: lan8814: Fix when
enabling/disabling 1-step timestamping
There are 2 issues with the blamed commit.
1. When the phy is initialized, it would enable the disabled of UDPv4
checksums. The UDPv6 checksum is already enabled by default. So when
1-step is configured then it would clear these flags.
2. After the 1-step is configured, then if 2-step is configured then the
1-step would be still configured because it is not clearing the flag.
So the sync frames will still have origin timestamps set.
Fix this by reading first the value of the register and then
just change bit 12 as this one determines if the timestamp needs to
be inserted in the frame, without changing any other bits.
Fixes: ece19502834d ("net: phy: micrel: 1588 support for LAN8814 phy")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Divya Koppera <divya.koppera@microchip.com>
Link: https://lore.kernel.org/r/20240402071634.2483524-1-horatiu.vultur@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/phy/micrel.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 0f8a8ad7ea0bd..ddb50a0e2bc82 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -2431,6 +2431,7 @@ static int lan8814_hwtstamp(struct mii_timestamper *mii_ts,
struct lan8814_ptp_rx_ts *rx_ts, *tmp;
int txcfg = 0, rxcfg = 0;
int pkt_ts_enable;
+ int tx_mod;
ptp_priv->hwts_tx_type = config->tx_type;
ptp_priv->rx_filter = config->rx_filter;
@@ -2477,9 +2478,14 @@ static int lan8814_hwtstamp(struct mii_timestamper *mii_ts,
lanphy_write_page_reg(ptp_priv->phydev, 5, PTP_RX_TIMESTAMP_EN, pkt_ts_enable);
lanphy_write_page_reg(ptp_priv->phydev, 5, PTP_TX_TIMESTAMP_EN, pkt_ts_enable);
- if (ptp_priv->hwts_tx_type == HWTSTAMP_TX_ONESTEP_SYNC)
+ tx_mod = lanphy_read_page_reg(ptp_priv->phydev, 5, PTP_TX_MOD);
+ if (ptp_priv->hwts_tx_type == HWTSTAMP_TX_ONESTEP_SYNC) {
lanphy_write_page_reg(ptp_priv->phydev, 5, PTP_TX_MOD,
- PTP_TX_MOD_TX_PTP_SYNC_TS_INSERT_);
+ tx_mod | PTP_TX_MOD_TX_PTP_SYNC_TS_INSERT_);
+ } else if (ptp_priv->hwts_tx_type == HWTSTAMP_TX_ON) {
+ lanphy_write_page_reg(ptp_priv->phydev, 5, PTP_TX_MOD,
+ tx_mod & ~PTP_TX_MOD_TX_PTP_SYNC_TS_INSERT_);
+ }
if (config->rx_filter != HWTSTAMP_FILTER_NONE)
lan8814_config_ts_intr(ptp_priv->phydev, true);
--
GitLab
From 7eb322360b0266481e560d1807ee79e0cef5742b Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Tue, 2 Apr 2024 13:41:33 +0000
Subject: [PATCH 2095/2686] net/sched: fix lockdep splat in
qdisc_tree_reduce_backlog()
qdisc_tree_reduce_backlog() is called with the qdisc lock held,
not RTNL.
We must use qdisc_lookup_rcu() instead of qdisc_lookup()
syzbot reported:
WARNING: suspicious RCU usage
6.1.74-syzkaller #0 Not tainted
-----------------------------
net/sched/sch_api.c:305 suspicious rcu_dereference_protected() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
3 locks held by udevd/1142:
#0: ffffffff87c729a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:306 [inline]
#0: ffffffff87c729a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#0: ffffffff87c729a0 (rcu_read_lock){....}-{1:2}, at: net_tx_action+0x64a/0x970 net/core/dev.c:5282
#1: ffff888171861108 (&sch->q.lock){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:350 [inline]
#1: ffff888171861108 (&sch->q.lock){+.-.}-{2:2}, at: net_tx_action+0x754/0x970 net/core/dev.c:5297
#2: ffffffff87c729a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:306 [inline]
#2: ffffffff87c729a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#2: ffffffff87c729a0 (rcu_read_lock){....}-{1:2}, at: qdisc_tree_reduce_backlog+0x84/0x580 net/sched/sch_api.c:792
stack backtrace:
CPU: 1 PID: 1142 Comm: udevd Not tainted 6.1.74-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
<TASK>
[<ffffffff85b85f14>] __dump_stack lib/dump_stack.c:88 [inline]
[<ffffffff85b85f14>] dump_stack_lvl+0x1b1/0x28f lib/dump_stack.c:106
[<ffffffff85b86007>] dump_stack+0x15/0x1e lib/dump_stack.c:113
[<ffffffff81802299>] lockdep_rcu_suspicious+0x1b9/0x260 kernel/locking/lockdep.c:6592
[<ffffffff84f0054c>] qdisc_lookup+0xac/0x6f0 net/sched/sch_api.c:305
[<ffffffff84f037c3>] qdisc_tree_reduce_backlog+0x243/0x580 net/sched/sch_api.c:811
[<ffffffff84f5b78c>] pfifo_tail_enqueue+0x32c/0x4b0 net/sched/sch_fifo.c:51
[<ffffffff84fbcf63>] qdisc_enqueue include/net/sch_generic.h:833 [inline]
[<ffffffff84fbcf63>] netem_dequeue+0xeb3/0x15d0 net/sched/sch_netem.c:723
[<ffffffff84eecab9>] dequeue_skb net/sched/sch_generic.c:292 [inline]
[<ffffffff84eecab9>] qdisc_restart net/sched/sch_generic.c:397 [inline]
[<ffffffff84eecab9>] __qdisc_run+0x249/0x1e60 net/sched/sch_generic.c:415
[<ffffffff84d7aa96>] qdisc_run+0xd6/0x260 include/net/pkt_sched.h:125
[<ffffffff84d85d29>] net_tx_action+0x7c9/0x970 net/core/dev.c:5313
[<ffffffff85e002bd>] __do_softirq+0x2bd/0x9bd kernel/softirq.c:616
[<ffffffff81568bca>] invoke_softirq kernel/softirq.c:447 [inline]
[<ffffffff81568bca>] __irq_exit_rcu+0xca/0x230 kernel/softirq.c:700
[<ffffffff81568ae9>] irq_exit_rcu+0x9/0x20 kernel/softirq.c:712
[<ffffffff85b89f52>] sysvec_apic_timer_interrupt+0x42/0x90 arch/x86/kernel/apic/apic.c:1107
[<ffffffff85c00ccb>] asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:656
Fixes: d636fc5dd692 ("net: sched: add rcu annotations around qdisc->qdisc_sleeping")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://lore.kernel.org/r/20240402134133.2352776-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/sched/sch_api.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 65e05b0c98e46..60239378d43fb 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -809,7 +809,7 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
notify = !sch->q.qlen && !WARN_ON_ONCE(!n &&
!qdisc_is_offloaded);
/* TODO: perform the search on a per txq basis */
- sch = qdisc_lookup(qdisc_dev(sch), TC_H_MAJ(parentid));
+ sch = qdisc_lookup_rcu(qdisc_dev(sch), TC_H_MAJ(parentid));
if (sch == NULL) {
WARN_ON_ONCE(parentid != TC_H_ROOT);
break;
--
GitLab
From c0de6ab920aafb56feab56058e46b688e694a246 Mon Sep 17 00:00:00 2001
From: Haiyang Zhang <haiyangz@microsoft.com>
Date: Tue, 2 Apr 2024 12:48:36 -0700
Subject: [PATCH 2096/2686] net: mana: Fix Rx DMA datasize and skb_over_panic
mana_get_rxbuf_cfg() aligns the RX buffer's DMA datasize to be
multiple of 64. So a packet slightly bigger than mtu+14, say 1536,
can be received and cause skb_over_panic.
Sample dmesg:
[ 5325.237162] skbuff: skb_over_panic: text:ffffffffc043277a len:1536 put:1536 head:ff1100018b517000 data:ff1100018b517100 tail:0x700 end:0x6ea dev:<NULL>
[ 5325.243689] ------------[ cut here ]------------
[ 5325.245748] kernel BUG at net/core/skbuff.c:192!
[ 5325.247838] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[ 5325.258374] RIP: 0010:skb_panic+0x4f/0x60
[ 5325.302941] Call Trace:
[ 5325.304389] <IRQ>
[ 5325.315794] ? skb_panic+0x4f/0x60
[ 5325.317457] ? asm_exc_invalid_op+0x1f/0x30
[ 5325.319490] ? skb_panic+0x4f/0x60
[ 5325.321161] skb_put+0x4e/0x50
[ 5325.322670] mana_poll+0x6fa/0xb50 [mana]
[ 5325.324578] __napi_poll+0x33/0x1e0
[ 5325.326328] net_rx_action+0x12e/0x280
As discussed internally, this alignment is not necessary. To fix
this bug, remove it from the code. So oversized packets will be
marked as CQE_RX_TRUNCATED by NIC, and dropped.
Cc: stable@vger.kernel.org
Fixes: 2fbbd712baf1 ("net: mana: Enable RX path to handle various MTU sizes")
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Link: https://lore.kernel.org/r/1712087316-20886-1-git-send-email-haiyangz@microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/microsoft/mana/mana_en.c | 2 +-
include/net/mana/mana.h | 1 -
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
index 59287c6e6cee6..d8af5e7e15b4d 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -601,7 +601,7 @@ static void mana_get_rxbuf_cfg(int mtu, u32 *datasize, u32 *alloc_size,
*alloc_size = mtu + MANA_RXBUF_PAD + *headroom;
- *datasize = ALIGN(mtu + ETH_HLEN, MANA_RX_DATA_ALIGN);
+ *datasize = mtu + ETH_HLEN;
}
static int mana_pre_alloc_rxbufs(struct mana_port_context *mpc, int new_mtu)
diff --git a/include/net/mana/mana.h b/include/net/mana/mana.h
index 76147feb0d10a..4eeedf14711b3 100644
--- a/include/net/mana/mana.h
+++ b/include/net/mana/mana.h
@@ -39,7 +39,6 @@ enum TRI_STATE {
#define COMP_ENTRY_SIZE 64
#define RX_BUFFERS_PER_QUEUE 512
-#define MANA_RX_DATA_ALIGN 64
#define MAX_SEND_BUFFERS_PER_QUEUE 256
--
GitLab
From 3137b83a90646917c90951d66489db466b4ae106 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 3 Apr 2024 10:06:48 +0200
Subject: [PATCH 2097/2686] ata: sata_mv: Fix PCI device ID table declaration
compilation warning
Building with W=1 shows a warning for an unused variable when CONFIG_PCI
is diabled:
drivers/ata/sata_mv.c:790:35: error: unused variable 'mv_pci_tbl' [-Werror,-Wunused-const-variable]
static const struct pci_device_id mv_pci_tbl[] = {
Move the table into the same block that containsn the pci_driver
definition.
Fixes: 7bb3c5290ca0 ("sata_mv: Remove PCI dependency")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
---
drivers/ata/sata_mv.c | 63 +++++++++++++++++++++----------------------
1 file changed, 31 insertions(+), 32 deletions(-)
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index e82786c63fbd7..9bec0aee92e04 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -787,37 +787,6 @@ static const struct ata_port_info mv_port_info[] = {
},
};
-static const struct pci_device_id mv_pci_tbl[] = {
- { PCI_VDEVICE(MARVELL, 0x5040), chip_504x },
- { PCI_VDEVICE(MARVELL, 0x5041), chip_504x },
- { PCI_VDEVICE(MARVELL, 0x5080), chip_5080 },
- { PCI_VDEVICE(MARVELL, 0x5081), chip_508x },
- /* RocketRAID 1720/174x have different identifiers */
- { PCI_VDEVICE(TTI, 0x1720), chip_6042 },
- { PCI_VDEVICE(TTI, 0x1740), chip_6042 },
- { PCI_VDEVICE(TTI, 0x1742), chip_6042 },
-
- { PCI_VDEVICE(MARVELL, 0x6040), chip_604x },
- { PCI_VDEVICE(MARVELL, 0x6041), chip_604x },
- { PCI_VDEVICE(MARVELL, 0x6042), chip_6042 },
- { PCI_VDEVICE(MARVELL, 0x6080), chip_608x },
- { PCI_VDEVICE(MARVELL, 0x6081), chip_608x },
-
- { PCI_VDEVICE(ADAPTEC2, 0x0241), chip_604x },
-
- /* Adaptec 1430SA */
- { PCI_VDEVICE(ADAPTEC2, 0x0243), chip_7042 },
-
- /* Marvell 7042 support */
- { PCI_VDEVICE(MARVELL, 0x7042), chip_7042 },
-
- /* Highpoint RocketRAID PCIe series */
- { PCI_VDEVICE(TTI, 0x2300), chip_7042 },
- { PCI_VDEVICE(TTI, 0x2310), chip_7042 },
-
- { } /* terminate list */
-};
-
static const struct mv_hw_ops mv5xxx_ops = {
.phy_errata = mv5_phy_errata,
.enable_leds = mv5_enable_leds,
@@ -4303,6 +4272,36 @@ static int mv_pci_init_one(struct pci_dev *pdev,
static int mv_pci_device_resume(struct pci_dev *pdev);
#endif
+static const struct pci_device_id mv_pci_tbl[] = {
+ { PCI_VDEVICE(MARVELL, 0x5040), chip_504x },
+ { PCI_VDEVICE(MARVELL, 0x5041), chip_504x },
+ { PCI_VDEVICE(MARVELL, 0x5080), chip_5080 },
+ { PCI_VDEVICE(MARVELL, 0x5081), chip_508x },
+ /* RocketRAID 1720/174x have different identifiers */
+ { PCI_VDEVICE(TTI, 0x1720), chip_6042 },
+ { PCI_VDEVICE(TTI, 0x1740), chip_6042 },
+ { PCI_VDEVICE(TTI, 0x1742), chip_6042 },
+
+ { PCI_VDEVICE(MARVELL, 0x6040), chip_604x },
+ { PCI_VDEVICE(MARVELL, 0x6041), chip_604x },
+ { PCI_VDEVICE(MARVELL, 0x6042), chip_6042 },
+ { PCI_VDEVICE(MARVELL, 0x6080), chip_608x },
+ { PCI_VDEVICE(MARVELL, 0x6081), chip_608x },
+
+ { PCI_VDEVICE(ADAPTEC2, 0x0241), chip_604x },
+
+ /* Adaptec 1430SA */
+ { PCI_VDEVICE(ADAPTEC2, 0x0243), chip_7042 },
+
+ /* Marvell 7042 support */
+ { PCI_VDEVICE(MARVELL, 0x7042), chip_7042 },
+
+ /* Highpoint RocketRAID PCIe series */
+ { PCI_VDEVICE(TTI, 0x2300), chip_7042 },
+ { PCI_VDEVICE(TTI, 0x2310), chip_7042 },
+
+ { } /* terminate list */
+};
static struct pci_driver mv_pci_driver = {
.name = DRV_NAME,
@@ -4315,6 +4314,7 @@ static struct pci_driver mv_pci_driver = {
#endif
};
+MODULE_DEVICE_TABLE(pci, mv_pci_tbl);
/**
* mv_print_info - Dump key info to kernel log for perusal.
@@ -4487,7 +4487,6 @@ static void __exit mv_exit(void)
MODULE_AUTHOR("Brett Russ");
MODULE_DESCRIPTION("SCSI low-level driver for Marvell SATA controllers");
MODULE_LICENSE("GPL v2");
-MODULE_DEVICE_TABLE(pci, mv_pci_tbl);
MODULE_VERSION(DRV_VERSION);
MODULE_ALIAS("platform:" DRV_NAME);
--
GitLab
From e85006ae7430aef780cc4f0849692e266a102ec0 Mon Sep 17 00:00:00 2001
From: Chen Ni <nichen@iscas.ac.cn>
Date: Wed, 3 Apr 2024 04:33:49 +0000
Subject: [PATCH 2098/2686] ata: sata_gemini: Check clk_enable() result
The call to clk_enable() in gemini_sata_start_bridge() can fail.
Add a check to detect such failure.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
---
drivers/ata/sata_gemini.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/ata/sata_gemini.c b/drivers/ata/sata_gemini.c
index 400b22ee99c33..4c270999ba3cc 100644
--- a/drivers/ata/sata_gemini.c
+++ b/drivers/ata/sata_gemini.c
@@ -200,7 +200,10 @@ int gemini_sata_start_bridge(struct sata_gemini *sg, unsigned int bridge)
pclk = sg->sata0_pclk;
else
pclk = sg->sata1_pclk;
- clk_enable(pclk);
+ ret = clk_enable(pclk);
+ if (ret)
+ return ret;
+
msleep(10);
/* Do not keep clocking a bridge that is not online */
--
GitLab
From 9852b1dc6a140365977d7bfb5fa03d413b3417ad Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 3 Apr 2024 22:23:37 +0200
Subject: [PATCH 2099/2686] x86/numa/32: Include missing <asm/pgtable_areas.h>
The __vmalloc_start_set declaration is in a header that is not included
in numa_32.c in current linux-next:
arch/x86/mm/numa_32.c: In function 'initmem_init':
arch/x86/mm/numa_32.c:57:9: error: '__vmalloc_start_set' undeclared (first use in this function)
57 | __vmalloc_start_set = true;
| ^~~~~~~~~~~~~~~~~~~
arch/x86/mm/numa_32.c:57:9: note: each undeclared identifier is reported only once for each function it appears in
Add an explicit #include.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240403202344.3463169-1-arnd@kernel.org
---
arch/x86/mm/numa_32.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index 104544359d69c..025fd7ea5d69f 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -24,6 +24,7 @@
#include <linux/memblock.h>
#include <linux/init.h>
+#include <asm/pgtable_areas.h>
#include "numa_internal.h"
--
GitLab
From 7d8ed162e6a92268d4b2b84d364a931216102c8e Mon Sep 17 00:00:00 2001
From: Wei Yang <richard.weiyang@gmail.com>
Date: Tue, 2 Apr 2024 13:26:59 +0000
Subject: [PATCH 2100/2686] memblock tests: fix undefined reference to
`early_pfn_to_nid'
commit 6a9531c3a880 ("memblock: fix crash when reserved memory is not
added to memory") introduce the usage of early_pfn_to_nid, which is not
defined in memblock tests.
The original definition of early_pfn_to_nid is defined in mm.h, so let
add this in the corresponding mm.h.
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
CC: Yajun Deng <yajun.deng@linux.dev>
CC: Mike Rapoport <rppt@kernel.org>
Link: https://lore.kernel.org/r/20240402132701.29744-2-richard.weiyang@gmail.com
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
---
tools/include/linux/mm.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/include/linux/mm.h b/tools/include/linux/mm.h
index f3c82ab5b14cd..7d73da0980473 100644
--- a/tools/include/linux/mm.h
+++ b/tools/include/linux/mm.h
@@ -37,4 +37,9 @@ static inline void totalram_pages_add(long count)
{
}
+static inline int early_pfn_to_nid(unsigned long pfn)
+{
+ return 0;
+}
+
#endif
--
GitLab
From e0f5a8e74be88f2476e58b25d3b49a9521bdc4ec Mon Sep 17 00:00:00 2001
From: Wei Yang <richard.weiyang@gmail.com>
Date: Tue, 2 Apr 2024 13:27:00 +0000
Subject: [PATCH 2101/2686] memblock tests: fix undefined reference to `panic'
commit e96c6b8f212a ("memblock: report failures when memblock_can_resize
is not set") introduced the usage of panic, which is not defined in
memblock test.
Let's define it directly in panic.h to fix it.
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
CC: Song Shuai <songshuaishuai@tinylab.org>
CC: Mike Rapoport <rppt@kernel.org>
Link: https://lore.kernel.org/r/20240402132701.29744-3-richard.weiyang@gmail.com
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
---
tools/include/linux/kernel.h | 1 +
tools/include/linux/panic.h | 19 +++++++++++++++++++
2 files changed, 20 insertions(+)
create mode 100644 tools/include/linux/panic.h
diff --git a/tools/include/linux/kernel.h b/tools/include/linux/kernel.h
index 4b0673bf52c2e..07cfad817d539 100644
--- a/tools/include/linux/kernel.h
+++ b/tools/include/linux/kernel.h
@@ -8,6 +8,7 @@
#include <linux/build_bug.h>
#include <linux/compiler.h>
#include <linux/math.h>
+#include <linux/panic.h>
#include <endian.h>
#include <byteswap.h>
diff --git a/tools/include/linux/panic.h b/tools/include/linux/panic.h
new file mode 100644
index 0000000000000..9c8f17a41ce8e
--- /dev/null
+++ b/tools/include/linux/panic.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _TOOLS_LINUX_PANIC_H
+#define _TOOLS_LINUX_PANIC_H
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static inline void panic(const char *fmt, ...)
+{
+ va_list argp;
+
+ va_start(argp, fmt);
+ vfprintf(stderr, fmt, argp);
+ va_end(argp);
+ exit(-1);
+}
+
+#endif
--
GitLab
From 592447f6cb3c20d606d6c5d8e6af68e99707b786 Mon Sep 17 00:00:00 2001
From: Wei Yang <richard.weiyang@gmail.com>
Date: Tue, 2 Apr 2024 13:27:01 +0000
Subject: [PATCH 2102/2686] memblock tests: fix undefined reference to `BIT'
commit 772dd0342727 ("mm: enumerate all gfp flags") define gfp flags
with the help of BIT, while gfp_types.h doesn't include header file for
the definition. This through an error on building memblock tests.
Let's include linux/bits.h to fix it.
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
CC: Suren Baghdasaryan <surenb@google.com>
CC: Michal Hocko <mhocko@suse.com>
Link: https://lore.kernel.org/r/20240402132701.29744-4-richard.weiyang@gmail.com
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
---
include/linux/gfp_types.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/gfp_types.h b/include/linux/gfp_types.h
index 868c8fb1bbc1c..13becafe41df0 100644
--- a/include/linux/gfp_types.h
+++ b/include/linux/gfp_types.h
@@ -2,6 +2,8 @@
#ifndef __LINUX_GFP_TYPES_H
#define __LINUX_GFP_TYPES_H
+#include <linux/bits.h>
+
/* The typedef is in types.h but we want the documentation here */
#if 0
/**
--
GitLab
From 9ab4ad295622a3481818856762471c1f8c830e18 Mon Sep 17 00:00:00 2001
From: Nikita Kiryushin <kiryushin@ancud.ru>
Date: Mon, 1 Apr 2024 22:14:18 +0300
Subject: [PATCH 2103/2686] tg3: Remove residual error handling in tg3_suspend
As of now, tg3_power_down_prepare always ends with success, but
the error handling code from former tg3_set_power_state call is still here.
This code became unreachable in commit c866b7eac073 ("tg3: Do not use
legacy PCI power management").
Remove (now unreachable) error handling code for simplification and change
tg3_power_down_prepare to a void function as its result is no more checked.
Signed-off-by: Nikita Kiryushin <kiryushin@ancud.ru>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240401191418.361747-1-kiryushin@ancud.ru
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/broadcom/tg3.c | 30 ++++-------------------------
1 file changed, 4 insertions(+), 26 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 62ff4381ac83c..e6ff3c9bd7e50 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -4019,7 +4019,7 @@ static int tg3_power_up(struct tg3 *tp)
static int tg3_setup_phy(struct tg3 *, bool);
-static int tg3_power_down_prepare(struct tg3 *tp)
+static void tg3_power_down_prepare(struct tg3 *tp)
{
u32 misc_host_ctrl;
bool device_should_wake, do_low_power;
@@ -4263,7 +4263,7 @@ static int tg3_power_down_prepare(struct tg3 *tp)
tg3_ape_driver_state_change(tp, RESET_KIND_SHUTDOWN);
- return 0;
+ return;
}
static void tg3_power_down(struct tg3 *tp)
@@ -18084,7 +18084,6 @@ static int tg3_suspend(struct device *device)
{
struct net_device *dev = dev_get_drvdata(device);
struct tg3 *tp = netdev_priv(dev);
- int err = 0;
rtnl_lock();
@@ -18108,32 +18107,11 @@ static int tg3_suspend(struct device *device)
tg3_flag_clear(tp, INIT_COMPLETE);
tg3_full_unlock(tp);
- err = tg3_power_down_prepare(tp);
- if (err) {
- int err2;
-
- tg3_full_lock(tp, 0);
-
- tg3_flag_set(tp, INIT_COMPLETE);
- err2 = tg3_restart_hw(tp, true);
- if (err2)
- goto out;
-
- tg3_timer_start(tp);
-
- netif_device_attach(dev);
- tg3_netif_start(tp);
-
-out:
- tg3_full_unlock(tp);
-
- if (!err2)
- tg3_phy_start(tp);
- }
+ tg3_power_down_prepare(tp);
unlock:
rtnl_unlock();
- return err;
+ return 0;
}
static int tg3_resume(struct device *device)
--
GitLab
From 99485c4c026f024e7cb82da84c7951dbe3deb584 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Tue, 26 Mar 2024 17:07:35 +0100
Subject: [PATCH 2104/2686] x86/coco: Require seeding RNG with RDRAND on CoCo
systems
There are few uses of CoCo that don't rely on working cryptography and
hence a working RNG. Unfortunately, the CoCo threat model means that the
VM host cannot be trusted and may actively work against guests to
extract secrets or manipulate computation. Since a malicious host can
modify or observe nearly all inputs to guests, the only remaining source
of entropy for CoCo guests is RDRAND.
If RDRAND is broken -- due to CPU hardware fault -- the RNG as a whole
is meant to gracefully continue on gathering entropy from other sources,
but since there aren't other sources on CoCo, this is catastrophic.
This is mostly a concern at boot time when initially seeding the RNG, as
after that the consequences of a broken RDRAND are much more
theoretical.
So, try at boot to seed the RNG using 256 bits of RDRAND output. If this
fails, panic(). This will also trigger if the system is booted without
RDRAND, as RDRAND is essential for a safe CoCo boot.
Add this deliberately to be "just a CoCo x86 driver feature" and not
part of the RNG itself. Many device drivers and platforms have some
desire to contribute something to the RNG, and add_device_randomness()
is specifically meant for this purpose.
Any driver can call it with seed data of any quality, or even garbage
quality, and it can only possibly make the quality of the RNG better or
have no effect, but can never make it worse.
Rather than trying to build something into the core of the RNG, consider
the particular CoCo issue just a CoCo issue, and therefore separate it
all out into driver (well, arch/platform) code.
[ bp: Massage commit message. ]
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Elena Reshetova <elena.reshetova@intel.com>
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240326160735.73531-1-Jason@zx2c4.com
---
arch/x86/coco/core.c | 41 +++++++++++++++++++++++++++++++++++++
arch/x86/include/asm/coco.h | 2 ++
arch/x86/kernel/setup.c | 2 ++
3 files changed, 45 insertions(+)
diff --git a/arch/x86/coco/core.c b/arch/x86/coco/core.c
index d07be9d05cd03..ddd4efdc79d66 100644
--- a/arch/x86/coco/core.c
+++ b/arch/x86/coco/core.c
@@ -3,13 +3,17 @@
* Confidential Computing Platform Capability checks
*
* Copyright (C) 2021 Advanced Micro Devices, Inc.
+ * Copyright (C) 2024 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*
* Author: Tom Lendacky <thomas.lendacky@amd.com>
*/
#include <linux/export.h>
#include <linux/cc_platform.h>
+#include <linux/string.h>
+#include <linux/random.h>
+#include <asm/archrandom.h>
#include <asm/coco.h>
#include <asm/processor.h>
@@ -148,3 +152,40 @@ u64 cc_mkdec(u64 val)
}
}
EXPORT_SYMBOL_GPL(cc_mkdec);
+
+__init void cc_random_init(void)
+{
+ /*
+ * The seed is 32 bytes (in units of longs), which is 256 bits, which
+ * is the security level that the RNG is targeting.
+ */
+ unsigned long rng_seed[32 / sizeof(long)];
+ size_t i, longs;
+
+ if (!cc_platform_has(CC_ATTR_GUEST_MEM_ENCRYPT))
+ return;
+
+ /*
+ * Since the CoCo threat model includes the host, the only reliable
+ * source of entropy that can be neither observed nor manipulated is
+ * RDRAND. Usually, RDRAND failure is considered tolerable, but since
+ * CoCo guests have no other unobservable source of entropy, it's
+ * important to at least ensure the RNG gets some initial random seeds.
+ */
+ for (i = 0; i < ARRAY_SIZE(rng_seed); i += longs) {
+ longs = arch_get_random_longs(&rng_seed[i], ARRAY_SIZE(rng_seed) - i);
+
+ /*
+ * A zero return value means that the guest doesn't have RDRAND
+ * or the CPU is physically broken, and in both cases that
+ * means most crypto inside of the CoCo instance will be
+ * broken, defeating the purpose of CoCo in the first place. So
+ * just panic here because it's absolutely unsafe to continue
+ * executing.
+ */
+ if (longs == 0)
+ panic("RDRAND is defective.");
+ }
+ add_device_randomness(rng_seed, sizeof(rng_seed));
+ memzero_explicit(rng_seed, sizeof(rng_seed));
+}
diff --git a/arch/x86/include/asm/coco.h b/arch/x86/include/asm/coco.h
index fb7388bbc212f..c086699b0d0c5 100644
--- a/arch/x86/include/asm/coco.h
+++ b/arch/x86/include/asm/coco.h
@@ -22,6 +22,7 @@ static inline void cc_set_mask(u64 mask)
u64 cc_mkenc(u64 val);
u64 cc_mkdec(u64 val);
+void cc_random_init(void);
#else
#define cc_vendor (CC_VENDOR_NONE)
@@ -34,6 +35,7 @@ static inline u64 cc_mkdec(u64 val)
{
return val;
}
+static inline void cc_random_init(void) { }
#endif
#endif /* _ASM_X86_COCO_H */
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 0109e6c510e02..e125e059e2c45 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -35,6 +35,7 @@
#include <asm/bios_ebda.h>
#include <asm/bugs.h>
#include <asm/cacheinfo.h>
+#include <asm/coco.h>
#include <asm/cpu.h>
#include <asm/efi.h>
#include <asm/gart.h>
@@ -991,6 +992,7 @@ void __init setup_arch(char **cmdline_p)
* memory size.
*/
mem_encrypt_setup_arch();
+ cc_random_init();
efi_fake_memmap();
efi_find_mirror();
--
GitLab
From 54f5f47b6055c6b57cbc41a440f8ca8b2ec4275a Mon Sep 17 00:00:00 2001
From: "Borislav Petkov (AMD)" <bp@alien8.de>
Date: Wed, 27 Mar 2024 16:43:15 +0100
Subject: [PATCH 2105/2686] x86/kvm/Kconfig: Have KVM_AMD_SEV select
ARCH_HAS_CC_PLATFORM
The functionality to load SEV-SNP guests by the host will soon rely on
cc_platform* helpers because the cpu_feature* API with the early
patching is insufficient when SNP support needs to be disabled late.
Therefore, pull that functionality in.
Fixes: 216d106c7ff7 ("x86/sev: Add SEV-SNP host initialization support")
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Tested-by: Srikanth Aithal <sraithal@amd.com>
Link: https://lore.kernel.org/r/20240327154317.29909-4-bp@alien8.de
---
arch/x86/kvm/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 3aaf7e86a859a..0ebdd088f28b8 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -122,6 +122,7 @@ config KVM_AMD_SEV
default y
depends on KVM_AMD && X86_64
depends on CRYPTO_DEV_SP_PSP && !(KVM_AMD=y && CRYPTO_DEV_CCP_DD=m)
+ select ARCH_HAS_CC_PLATFORM
help
Provides support for launching Encrypted VMs (SEV) and Encrypted VMs
with Encrypted State (SEV-ES) on AMD processors.
--
GitLab
From bc6f707fc0feec72acc2f49c312eb31d257363a3 Mon Sep 17 00:00:00 2001
From: "Borislav Petkov (AMD)" <bp@alien8.de>
Date: Wed, 27 Mar 2024 16:43:16 +0100
Subject: [PATCH 2106/2686] x86/cc: Add cc_platform_set/_clear() helpers
Add functionality to set and/or clear different attributes of the
machine as a confidential computing platform. Add the first one too:
whether the machine is running as a host for SEV-SNP guests.
Fixes: 216d106c7ff7 ("x86/sev: Add SEV-SNP host initialization support")
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Tested-by: Srikanth Aithal <sraithal@amd.com>
Link: https://lore.kernel.org/r/20240327154317.29909-5-bp@alien8.de
---
arch/x86/coco/core.c | 52 +++++++++++++++++++++++++++++++++++++
include/linux/cc_platform.h | 12 +++++++++
2 files changed, 64 insertions(+)
diff --git a/arch/x86/coco/core.c b/arch/x86/coco/core.c
index ddd4efdc79d66..b31ef2424d194 100644
--- a/arch/x86/coco/core.c
+++ b/arch/x86/coco/core.c
@@ -20,6 +20,11 @@
enum cc_vendor cc_vendor __ro_after_init = CC_VENDOR_NONE;
u64 cc_mask __ro_after_init;
+static struct cc_attr_flags {
+ __u64 host_sev_snp : 1,
+ __resv : 63;
+} cc_flags;
+
static bool noinstr intel_cc_platform_has(enum cc_attr attr)
{
switch (attr) {
@@ -93,6 +98,9 @@ static bool noinstr amd_cc_platform_has(enum cc_attr attr)
case CC_ATTR_GUEST_SEV_SNP:
return sev_status & MSR_AMD64_SEV_SNP_ENABLED;
+ case CC_ATTR_HOST_SEV_SNP:
+ return cc_flags.host_sev_snp;
+
default:
return false;
}
@@ -153,6 +161,50 @@ u64 cc_mkdec(u64 val)
}
EXPORT_SYMBOL_GPL(cc_mkdec);
+static void amd_cc_platform_clear(enum cc_attr attr)
+{
+ switch (attr) {
+ case CC_ATTR_HOST_SEV_SNP:
+ cc_flags.host_sev_snp = 0;
+ break;
+ default:
+ break;
+ }
+}
+
+void cc_platform_clear(enum cc_attr attr)
+{
+ switch (cc_vendor) {
+ case CC_VENDOR_AMD:
+ amd_cc_platform_clear(attr);
+ break;
+ default:
+ break;
+ }
+}
+
+static void amd_cc_platform_set(enum cc_attr attr)
+{
+ switch (attr) {
+ case CC_ATTR_HOST_SEV_SNP:
+ cc_flags.host_sev_snp = 1;
+ break;
+ default:
+ break;
+ }
+}
+
+void cc_platform_set(enum cc_attr attr)
+{
+ switch (cc_vendor) {
+ case CC_VENDOR_AMD:
+ amd_cc_platform_set(attr);
+ break;
+ default:
+ break;
+ }
+}
+
__init void cc_random_init(void)
{
/*
diff --git a/include/linux/cc_platform.h b/include/linux/cc_platform.h
index cb0d6cd1c12f2..60693a1458946 100644
--- a/include/linux/cc_platform.h
+++ b/include/linux/cc_platform.h
@@ -90,6 +90,14 @@ enum cc_attr {
* Examples include TDX Guest.
*/
CC_ATTR_HOTPLUG_DISABLED,
+
+ /**
+ * @CC_ATTR_HOST_SEV_SNP: AMD SNP enabled on the host.
+ *
+ * The host kernel is running with the necessary features
+ * enabled to run SEV-SNP guests.
+ */
+ CC_ATTR_HOST_SEV_SNP,
};
#ifdef CONFIG_ARCH_HAS_CC_PLATFORM
@@ -107,10 +115,14 @@ enum cc_attr {
* * FALSE - Specified Confidential Computing attribute is not active
*/
bool cc_platform_has(enum cc_attr attr);
+void cc_platform_set(enum cc_attr attr);
+void cc_platform_clear(enum cc_attr attr);
#else /* !CONFIG_ARCH_HAS_CC_PLATFORM */
static inline bool cc_platform_has(enum cc_attr attr) { return false; }
+static inline void cc_platform_set(enum cc_attr attr) { }
+static inline void cc_platform_clear(enum cc_attr attr) { }
#endif /* CONFIG_ARCH_HAS_CC_PLATFORM */
--
GitLab
From 0ecaefb303de69929dc0036d5021d01cec7ea052 Mon Sep 17 00:00:00 2001
From: "Borislav Petkov (AMD)" <bp@alien8.de>
Date: Wed, 27 Mar 2024 16:43:17 +0100
Subject: [PATCH 2107/2686] x86/CPU/AMD: Track SNP host status with
cc_platform_*()
The host SNP worthiness can determined later, after alternatives have
been patched, in snp_rmptable_init() depending on cmdline options like
iommu=pt which is incompatible with SNP, for example.
Which means that one cannot use X86_FEATURE_SEV_SNP and will need to
have a special flag for that control.
Use that newly added CC_ATTR_HOST_SEV_SNP in the appropriate places.
Move kdump_sev_callback() to its rightful place, while at it.
Fixes: 216d106c7ff7 ("x86/sev: Add SEV-SNP host initialization support")
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Tested-by: Srikanth Aithal <sraithal@amd.com>
Link: https://lore.kernel.org/r/20240327154317.29909-6-bp@alien8.de
---
arch/x86/include/asm/sev.h | 4 ++--
arch/x86/kernel/cpu/amd.c | 38 ++++++++++++++++++------------
arch/x86/kernel/cpu/mtrr/generic.c | 2 +-
arch/x86/kernel/sev.c | 10 --------
arch/x86/kvm/svm/sev.c | 2 +-
arch/x86/virt/svm/sev.c | 26 +++++++++++++-------
drivers/crypto/ccp/sev-dev.c | 2 +-
drivers/iommu/amd/init.c | 4 +++-
8 files changed, 49 insertions(+), 39 deletions(-)
diff --git a/arch/x86/include/asm/sev.h b/arch/x86/include/asm/sev.h
index 07e125f325283..7f57382afee41 100644
--- a/arch/x86/include/asm/sev.h
+++ b/arch/x86/include/asm/sev.h
@@ -228,7 +228,6 @@ int snp_issue_guest_request(u64 exit_code, struct snp_req_data *input, struct sn
void snp_accept_memory(phys_addr_t start, phys_addr_t end);
u64 snp_get_unsupported_features(u64 status);
u64 sev_get_status(void);
-void kdump_sev_callback(void);
void sev_show_status(void);
#else
static inline void sev_es_ist_enter(struct pt_regs *regs) { }
@@ -258,7 +257,6 @@ static inline int snp_issue_guest_request(u64 exit_code, struct snp_req_data *in
static inline void snp_accept_memory(phys_addr_t start, phys_addr_t end) { }
static inline u64 snp_get_unsupported_features(u64 status) { return 0; }
static inline u64 sev_get_status(void) { return 0; }
-static inline void kdump_sev_callback(void) { }
static inline void sev_show_status(void) { }
#endif
@@ -270,6 +268,7 @@ int psmash(u64 pfn);
int rmp_make_private(u64 pfn, u64 gpa, enum pg_level level, u32 asid, bool immutable);
int rmp_make_shared(u64 pfn, enum pg_level level);
void snp_leak_pages(u64 pfn, unsigned int npages);
+void kdump_sev_callback(void);
#else
static inline bool snp_probe_rmptable_info(void) { return false; }
static inline int snp_lookup_rmpentry(u64 pfn, bool *assigned, int *level) { return -ENODEV; }
@@ -282,6 +281,7 @@ static inline int rmp_make_private(u64 pfn, u64 gpa, enum pg_level level, u32 as
}
static inline int rmp_make_shared(u64 pfn, enum pg_level level) { return -ENODEV; }
static inline void snp_leak_pages(u64 pfn, unsigned int npages) {}
+static inline void kdump_sev_callback(void) { }
#endif
#endif
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 6d8677e80ddbb..9bf17c9c29dad 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -345,6 +345,28 @@ static void srat_detect_node(struct cpuinfo_x86 *c)
#endif
}
+static void bsp_determine_snp(struct cpuinfo_x86 *c)
+{
+#ifdef CONFIG_ARCH_HAS_CC_PLATFORM
+ cc_vendor = CC_VENDOR_AMD;
+
+ if (cpu_has(c, X86_FEATURE_SEV_SNP)) {
+ /*
+ * RMP table entry format is not architectural and is defined by the
+ * per-processor PPR. Restrict SNP support on the known CPU models
+ * for which the RMP table entry format is currently defined for.
+ */
+ if (!cpu_has(c, X86_FEATURE_HYPERVISOR) &&
+ c->x86 >= 0x19 && snp_probe_rmptable_info()) {
+ cc_platform_set(CC_ATTR_HOST_SEV_SNP);
+ } else {
+ setup_clear_cpu_cap(X86_FEATURE_SEV_SNP);
+ cc_platform_clear(CC_ATTR_HOST_SEV_SNP);
+ }
+ }
+#endif
+}
+
static void bsp_init_amd(struct cpuinfo_x86 *c)
{
if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
@@ -452,21 +474,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
break;
}
- if (cpu_has(c, X86_FEATURE_SEV_SNP)) {
- /*
- * RMP table entry format is not architectural and it can vary by processor
- * and is defined by the per-processor PPR. Restrict SNP support on the
- * known CPU model and family for which the RMP table entry format is
- * currently defined for.
- */
- if (!boot_cpu_has(X86_FEATURE_ZEN3) &&
- !boot_cpu_has(X86_FEATURE_ZEN4) &&
- !boot_cpu_has(X86_FEATURE_ZEN5))
- setup_clear_cpu_cap(X86_FEATURE_SEV_SNP);
- else if (!snp_probe_rmptable_info())
- setup_clear_cpu_cap(X86_FEATURE_SEV_SNP);
- }
-
+ bsp_determine_snp(c);
return;
warn:
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index 422a4ddc2ab7c..7b29ebda024f4 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -108,7 +108,7 @@ static inline void k8_check_syscfg_dram_mod_en(void)
(boot_cpu_data.x86 >= 0x0f)))
return;
- if (cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+ if (cc_platform_has(CC_ATTR_HOST_SEV_SNP))
return;
rdmsr(MSR_AMD64_SYSCFG, lo, hi);
diff --git a/arch/x86/kernel/sev.c b/arch/x86/kernel/sev.c
index 7e1e63cc48e67..38ad066179d81 100644
--- a/arch/x86/kernel/sev.c
+++ b/arch/x86/kernel/sev.c
@@ -2284,16 +2284,6 @@ static int __init snp_init_platform_device(void)
}
device_initcall(snp_init_platform_device);
-void kdump_sev_callback(void)
-{
- /*
- * Do wbinvd() on remote CPUs when SNP is enabled in order to
- * safely do SNP_SHUTDOWN on the local CPU.
- */
- if (cpu_feature_enabled(X86_FEATURE_SEV_SNP))
- wbinvd();
-}
-
void sev_show_status(void)
{
int i;
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index ae0ac12382b92..3d310b473e059 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -3174,7 +3174,7 @@ struct page *snp_safe_alloc_page(struct kvm_vcpu *vcpu)
unsigned long pfn;
struct page *p;
- if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+ if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
return alloc_page(GFP_KERNEL_ACCOUNT | __GFP_ZERO);
/*
diff --git a/arch/x86/virt/svm/sev.c b/arch/x86/virt/svm/sev.c
index cffe1157a90ac..ab0e8448bb6eb 100644
--- a/arch/x86/virt/svm/sev.c
+++ b/arch/x86/virt/svm/sev.c
@@ -77,7 +77,7 @@ static int __mfd_enable(unsigned int cpu)
{
u64 val;
- if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+ if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
return 0;
rdmsrl(MSR_AMD64_SYSCFG, val);
@@ -98,7 +98,7 @@ static int __snp_enable(unsigned int cpu)
{
u64 val;
- if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+ if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
return 0;
rdmsrl(MSR_AMD64_SYSCFG, val);
@@ -174,11 +174,11 @@ static int __init snp_rmptable_init(void)
u64 rmptable_size;
u64 val;
- if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+ if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
return 0;
if (!amd_iommu_snp_en)
- return 0;
+ goto nosnp;
if (!probed_rmp_size)
goto nosnp;
@@ -225,7 +225,7 @@ static int __init snp_rmptable_init(void)
return 0;
nosnp:
- setup_clear_cpu_cap(X86_FEATURE_SEV_SNP);
+ cc_platform_clear(CC_ATTR_HOST_SEV_SNP);
return -ENOSYS;
}
@@ -246,7 +246,7 @@ static struct rmpentry *__snp_lookup_rmpentry(u64 pfn, int *level)
{
struct rmpentry *large_entry, *entry;
- if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+ if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
return ERR_PTR(-ENODEV);
entry = get_rmpentry(pfn);
@@ -363,7 +363,7 @@ int psmash(u64 pfn)
unsigned long paddr = pfn << PAGE_SHIFT;
int ret;
- if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+ if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
return -ENODEV;
if (!pfn_valid(pfn))
@@ -472,7 +472,7 @@ static int rmpupdate(u64 pfn, struct rmp_state *state)
unsigned long paddr = pfn << PAGE_SHIFT;
int ret, level;
- if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+ if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
return -ENODEV;
level = RMP_TO_PG_LEVEL(state->pagesize);
@@ -558,3 +558,13 @@ void snp_leak_pages(u64 pfn, unsigned int npages)
spin_unlock(&snp_leaked_pages_list_lock);
}
EXPORT_SYMBOL_GPL(snp_leak_pages);
+
+void kdump_sev_callback(void)
+{
+ /*
+ * Do wbinvd() on remote CPUs when SNP is enabled in order to
+ * safely do SNP_SHUTDOWN on the local CPU.
+ */
+ if (cc_platform_has(CC_ATTR_HOST_SEV_SNP))
+ wbinvd();
+}
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c
index f44efbb89c346..2102377f727b1 100644
--- a/drivers/crypto/ccp/sev-dev.c
+++ b/drivers/crypto/ccp/sev-dev.c
@@ -1090,7 +1090,7 @@ static int __sev_snp_init_locked(int *error)
void *arg = &data;
int cmd, rc = 0;
- if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+ if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
return -ENODEV;
sev = psp->sev_data;
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index e7a44929f0daf..33228c1c8980f 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -3228,7 +3228,7 @@ static bool __init detect_ivrs(void)
static void iommu_snp_enable(void)
{
#ifdef CONFIG_KVM_AMD_SEV
- if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+ if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
return;
/*
* The SNP support requires that IOMMU must be enabled, and is
@@ -3236,12 +3236,14 @@ static void iommu_snp_enable(void)
*/
if (no_iommu || iommu_default_passthrough()) {
pr_err("SNP: IOMMU disabled or configured in passthrough mode, SNP cannot be supported.\n");
+ cc_platform_clear(CC_ATTR_HOST_SEV_SNP);
return;
}
amd_iommu_snp_en = check_feature(FEATURE_SNP);
if (!amd_iommu_snp_en) {
pr_err("SNP: IOMMU SNP feature not enabled, SNP cannot be supported.\n");
+ cc_platform_clear(CC_ATTR_HOST_SEV_SNP);
return;
}
--
GitLab
From 72076fc9fe60b9143cd971fd8737718719bc512e Mon Sep 17 00:00:00 2001
From: Paolo Abeni <pabeni@redhat.com>
Date: Thu, 4 Apr 2024 10:51:01 +0200
Subject: [PATCH 2108/2686] Revert "tg3: Remove residual error handling in
tg3_suspend"
This reverts commit 9ab4ad295622a3481818856762471c1f8c830e18.
I went out of coffee and applied it to the wrong tree. Blame on me.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/broadcom/tg3.c | 30 +++++++++++++++++++++++++----
1 file changed, 26 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index e6ff3c9bd7e50..62ff4381ac83c 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -4019,7 +4019,7 @@ static int tg3_power_up(struct tg3 *tp)
static int tg3_setup_phy(struct tg3 *, bool);
-static void tg3_power_down_prepare(struct tg3 *tp)
+static int tg3_power_down_prepare(struct tg3 *tp)
{
u32 misc_host_ctrl;
bool device_should_wake, do_low_power;
@@ -4263,7 +4263,7 @@ static void tg3_power_down_prepare(struct tg3 *tp)
tg3_ape_driver_state_change(tp, RESET_KIND_SHUTDOWN);
- return;
+ return 0;
}
static void tg3_power_down(struct tg3 *tp)
@@ -18084,6 +18084,7 @@ static int tg3_suspend(struct device *device)
{
struct net_device *dev = dev_get_drvdata(device);
struct tg3 *tp = netdev_priv(dev);
+ int err = 0;
rtnl_lock();
@@ -18107,11 +18108,32 @@ static int tg3_suspend(struct device *device)
tg3_flag_clear(tp, INIT_COMPLETE);
tg3_full_unlock(tp);
- tg3_power_down_prepare(tp);
+ err = tg3_power_down_prepare(tp);
+ if (err) {
+ int err2;
+
+ tg3_full_lock(tp, 0);
+
+ tg3_flag_set(tp, INIT_COMPLETE);
+ err2 = tg3_restart_hw(tp, true);
+ if (err2)
+ goto out;
+
+ tg3_timer_start(tp);
+
+ netif_device_attach(dev);
+ tg3_netif_start(tp);
+
+out:
+ tg3_full_unlock(tp);
+
+ if (!err2)
+ tg3_phy_start(tp);
+ }
unlock:
rtnl_unlock();
- return 0;
+ return err;
}
static int tg3_resume(struct device *device)
--
GitLab
From a45e6889575c2067d3c0212b6bc1022891e65b91 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Thu, 28 Mar 2024 13:27:36 +0100
Subject: [PATCH 2109/2686] netfilter: nf_tables: release batch on table
validation from abort path
Unlike early commit path stage which triggers a call to abort, an
explicit release of the batch is required on abort, otherwise mutex is
released and commit_list remains in place.
Add WARN_ON_ONCE to ensure commit_list is empty from the abort path
before releasing the mutex.
After this patch, commit_list is always assumed to be empty before
grabbing the mutex, therefore
03c1f1ef1584 ("netfilter: Cleanup nft_net->module_list from nf_tables_exit_net()")
only needs to release the pending modules for registration.
Cc: stable@vger.kernel.org
Fixes: c0391b6ab810 ("netfilter: nf_tables: missing validation from the abort path")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index fd86f2720c9e7..ffcd3213c3358 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -10455,10 +10455,11 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
struct nft_trans *trans, *next;
LIST_HEAD(set_update_list);
struct nft_trans_elem *te;
+ int err = 0;
if (action == NFNL_ABORT_VALIDATE &&
nf_tables_validate(net) < 0)
- return -EAGAIN;
+ err = -EAGAIN;
list_for_each_entry_safe_reverse(trans, next, &nft_net->commit_list,
list) {
@@ -10655,7 +10656,7 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
else
nf_tables_module_autoload_cleanup(net);
- return 0;
+ return err;
}
static int nf_tables_abort(struct net *net, struct sk_buff *skb,
@@ -10668,6 +10669,9 @@ static int nf_tables_abort(struct net *net, struct sk_buff *skb,
gc_seq = nft_gc_seq_begin(nft_net);
ret = __nf_tables_abort(net, action);
nft_gc_seq_end(nft_net, gc_seq);
+
+ WARN_ON_ONCE(!list_empty(&nft_net->commit_list));
+
mutex_unlock(&nft_net->commit_mutex);
return ret;
@@ -11473,9 +11477,10 @@ static void __net_exit nf_tables_exit_net(struct net *net)
gc_seq = nft_gc_seq_begin(nft_net);
- if (!list_empty(&nft_net->commit_list) ||
- !list_empty(&nft_net->module_list))
- __nf_tables_abort(net, NFNL_ABORT_NONE);
+ WARN_ON_ONCE(!list_empty(&nft_net->commit_list));
+
+ if (!list_empty(&nft_net->module_list))
+ nf_tables_module_autoload_cleanup(net);
__nft_release_tables(net);
--
GitLab
From 0d459e2ffb541841714839e8228b845458ed3b27 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Thu, 28 Mar 2024 14:23:55 +0100
Subject: [PATCH 2110/2686] netfilter: nf_tables: release mutex after
nft_gc_seq_end from abort path
The commit mutex should not be released during the critical section
between nft_gc_seq_begin() and nft_gc_seq_end(), otherwise, async GC
worker could collect expired objects and get the released commit lock
within the same GC sequence.
nf_tables_module_autoload() temporarily releases the mutex to load
module dependencies, then it goes back to replay the transaction again.
Move it at the end of the abort phase after nft_gc_seq_end() is called.
Cc: stable@vger.kernel.org
Fixes: 720344340fb9 ("netfilter: nf_tables: GC transaction race with abort path")
Reported-by: Kuan-Ting Chen <hexrabbit@devco.re>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index ffcd3213c3358..0d432d0674e12 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -10651,11 +10651,6 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
nf_tables_abort_release(trans);
}
- if (action == NFNL_ABORT_AUTOLOAD)
- nf_tables_module_autoload(net);
- else
- nf_tables_module_autoload_cleanup(net);
-
return err;
}
@@ -10672,6 +10667,14 @@ static int nf_tables_abort(struct net *net, struct sk_buff *skb,
WARN_ON_ONCE(!list_empty(&nft_net->commit_list));
+ /* module autoload needs to happen after GC sequence update because it
+ * temporarily releases and grabs mutex again.
+ */
+ if (action == NFNL_ABORT_AUTOLOAD)
+ nf_tables_module_autoload(net);
+ else
+ nf_tables_module_autoload_cleanup(net);
+
mutex_unlock(&nft_net->commit_mutex);
return ret;
--
GitLab
From 24cea9677025e0de419989ecb692acd4bb34cac2 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Tue, 2 Apr 2024 18:04:36 +0200
Subject: [PATCH 2111/2686] netfilter: nf_tables: flush pending destroy work
before exit_net release
Similar to 2c9f0293280e ("netfilter: nf_tables: flush pending destroy
work before netlink notifier") to address a race between exit_net and
the destroy workqueue.
The trace below shows an element to be released via destroy workqueue
while exit_net path (triggered via module removal) has already released
the set that is used in such transaction.
[ 1360.547789] BUG: KASAN: slab-use-after-free in nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]
[ 1360.547861] Read of size 8 at addr ffff888140500cc0 by task kworker/4:1/152465
[ 1360.547870] CPU: 4 PID: 152465 Comm: kworker/4:1 Not tainted 6.8.0+ #359
[ 1360.547882] Workqueue: events nf_tables_trans_destroy_work [nf_tables]
[ 1360.547984] Call Trace:
[ 1360.547991] <TASK>
[ 1360.547998] dump_stack_lvl+0x53/0x70
[ 1360.548014] print_report+0xc4/0x610
[ 1360.548026] ? __virt_addr_valid+0xba/0x160
[ 1360.548040] ? __pfx__raw_spin_lock_irqsave+0x10/0x10
[ 1360.548054] ? nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]
[ 1360.548176] kasan_report+0xae/0xe0
[ 1360.548189] ? nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]
[ 1360.548312] nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]
[ 1360.548447] ? __pfx_nf_tables_trans_destroy_work+0x10/0x10 [nf_tables]
[ 1360.548577] ? _raw_spin_unlock_irq+0x18/0x30
[ 1360.548591] process_one_work+0x2f1/0x670
[ 1360.548610] worker_thread+0x4d3/0x760
[ 1360.548627] ? __pfx_worker_thread+0x10/0x10
[ 1360.548640] kthread+0x16b/0x1b0
[ 1360.548653] ? __pfx_kthread+0x10/0x10
[ 1360.548665] ret_from_fork+0x2f/0x50
[ 1360.548679] ? __pfx_kthread+0x10/0x10
[ 1360.548690] ret_from_fork_asm+0x1a/0x30
[ 1360.548707] </TASK>
[ 1360.548719] Allocated by task 192061:
[ 1360.548726] kasan_save_stack+0x20/0x40
[ 1360.548739] kasan_save_track+0x14/0x30
[ 1360.548750] __kasan_kmalloc+0x8f/0xa0
[ 1360.548760] __kmalloc_node+0x1f1/0x450
[ 1360.548771] nf_tables_newset+0x10c7/0x1b50 [nf_tables]
[ 1360.548883] nfnetlink_rcv_batch+0xbc4/0xdc0 [nfnetlink]
[ 1360.548909] nfnetlink_rcv+0x1a8/0x1e0 [nfnetlink]
[ 1360.548927] netlink_unicast+0x367/0x4f0
[ 1360.548935] netlink_sendmsg+0x34b/0x610
[ 1360.548944] ____sys_sendmsg+0x4d4/0x510
[ 1360.548953] ___sys_sendmsg+0xc9/0x120
[ 1360.548961] __sys_sendmsg+0xbe/0x140
[ 1360.548971] do_syscall_64+0x55/0x120
[ 1360.548982] entry_SYSCALL_64_after_hwframe+0x55/0x5d
[ 1360.548994] Freed by task 192222:
[ 1360.548999] kasan_save_stack+0x20/0x40
[ 1360.549009] kasan_save_track+0x14/0x30
[ 1360.549019] kasan_save_free_info+0x3b/0x60
[ 1360.549028] poison_slab_object+0x100/0x180
[ 1360.549036] __kasan_slab_free+0x14/0x30
[ 1360.549042] kfree+0xb6/0x260
[ 1360.549049] __nft_release_table+0x473/0x6a0 [nf_tables]
[ 1360.549131] nf_tables_exit_net+0x170/0x240 [nf_tables]
[ 1360.549221] ops_exit_list+0x50/0xa0
[ 1360.549229] free_exit_list+0x101/0x140
[ 1360.549236] unregister_pernet_operations+0x107/0x160
[ 1360.549245] unregister_pernet_subsys+0x1c/0x30
[ 1360.549254] nf_tables_module_exit+0x43/0x80 [nf_tables]
[ 1360.549345] __do_sys_delete_module+0x253/0x370
[ 1360.549352] do_syscall_64+0x55/0x120
[ 1360.549360] entry_SYSCALL_64_after_hwframe+0x55/0x5d
(gdb) list *__nft_release_table+0x473
0x1e033 is in __nft_release_table (net/netfilter/nf_tables_api.c:11354).
11349 list_for_each_entry_safe(flowtable, nf, &table->flowtables, list) {
11350 list_del(&flowtable->list);
11351 nft_use_dec(&table->use);
11352 nf_tables_flowtable_destroy(flowtable);
11353 }
11354 list_for_each_entry_safe(set, ns, &table->sets, list) {
11355 list_del(&set->list);
11356 nft_use_dec(&table->use);
11357 if (set->flags & (NFT_SET_MAP | NFT_SET_OBJECT))
11358 nft_map_deactivate(&ctx, set);
(gdb)
[ 1360.549372] Last potentially related work creation:
[ 1360.549376] kasan_save_stack+0x20/0x40
[ 1360.549384] __kasan_record_aux_stack+0x9b/0xb0
[ 1360.549392] __queue_work+0x3fb/0x780
[ 1360.549399] queue_work_on+0x4f/0x60
[ 1360.549407] nft_rhash_remove+0x33b/0x340 [nf_tables]
[ 1360.549516] nf_tables_commit+0x1c6a/0x2620 [nf_tables]
[ 1360.549625] nfnetlink_rcv_batch+0x728/0xdc0 [nfnetlink]
[ 1360.549647] nfnetlink_rcv+0x1a8/0x1e0 [nfnetlink]
[ 1360.549671] netlink_unicast+0x367/0x4f0
[ 1360.549680] netlink_sendmsg+0x34b/0x610
[ 1360.549690] ____sys_sendmsg+0x4d4/0x510
[ 1360.549697] ___sys_sendmsg+0xc9/0x120
[ 1360.549706] __sys_sendmsg+0xbe/0x140
[ 1360.549715] do_syscall_64+0x55/0x120
[ 1360.549725] entry_SYSCALL_64_after_hwframe+0x55/0x5d
Fixes: 0935d5588400 ("netfilter: nf_tables: asynchronous release")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 0d432d0674e12..17bf53cd0e848 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -11575,6 +11575,7 @@ static void __exit nf_tables_module_exit(void)
unregister_netdevice_notifier(&nf_tables_flowtable_notifier);
nft_chain_filter_fini();
nft_chain_route_fini();
+ nf_tables_trans_destroy_flush_work();
unregister_pernet_subsys(&nf_tables_net_ops);
cancel_work_sync(&trans_gc_work);
cancel_work_sync(&trans_destroy_work);
--
GitLab
From 994209ddf4f430946f6247616b2e33d179243769 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Mon, 1 Apr 2024 00:33:02 +0200
Subject: [PATCH 2112/2686] netfilter: nf_tables: reject new basechain after
table flag update
When dormant flag is toggled, hooks are disabled in the commit phase by
iterating over current chains in table (existing and new).
The following configuration allows for an inconsistent state:
add table x
add chain x y { type filter hook input priority 0; }
add table x { flags dormant; }
add chain x w { type filter hook input priority 1; }
which triggers the following warning when trying to unregister chain w
which is already unregistered.
[ 127.322252] WARNING: CPU: 7 PID: 1211 at net/netfilter/core.c:50 1 __nf_unregister_net_hook+0x21a/0x260
[...]
[ 127.322519] Call Trace:
[ 127.322521] <TASK>
[ 127.322524] ? __warn+0x9f/0x1a0
[ 127.322531] ? __nf_unregister_net_hook+0x21a/0x260
[ 127.322537] ? report_bug+0x1b1/0x1e0
[ 127.322545] ? handle_bug+0x3c/0x70
[ 127.322552] ? exc_invalid_op+0x17/0x40
[ 127.322556] ? asm_exc_invalid_op+0x1a/0x20
[ 127.322563] ? kasan_save_free_info+0x3b/0x60
[ 127.322570] ? __nf_unregister_net_hook+0x6a/0x260
[ 127.322577] ? __nf_unregister_net_hook+0x21a/0x260
[ 127.322583] ? __nf_unregister_net_hook+0x6a/0x260
[ 127.322590] ? __nf_tables_unregister_hook+0x8a/0xe0 [nf_tables]
[ 127.322655] nft_table_disable+0x75/0xf0 [nf_tables]
[ 127.322717] nf_tables_commit+0x2571/0x2620 [nf_tables]
Fixes: 179d9ba5559a ("netfilter: nf_tables: fix table flag updates")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 17bf53cd0e848..1eb51bf24fc2e 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2449,6 +2449,9 @@ static int nf_tables_addchain(struct nft_ctx *ctx, u8 family, u8 genmask,
struct nft_stats __percpu *stats = NULL;
struct nft_chain_hook hook = {};
+ if (table->flags & __NFT_TABLE_F_UPDATE)
+ return -EINVAL;
+
if (flags & NFT_CHAIN_BINDING)
return -EOPNOTSUPP;
--
GitLab
From 24225011d81b471acc0e1e315b7d9905459a6304 Mon Sep 17 00:00:00 2001
From: Ziyang Xuan <william.xuanziyang@huawei.com>
Date: Wed, 3 Apr 2024 15:22:04 +0800
Subject: [PATCH 2113/2686] netfilter: nf_tables: Fix potential data-race in
__nft_flowtable_type_get()
nft_unregister_flowtable_type() within nf_flow_inet_module_exit() can
concurrent with __nft_flowtable_type_get() within nf_tables_newflowtable().
And thhere is not any protection when iterate over nf_tables_flowtables
list in __nft_flowtable_type_get(). Therefore, there is pertential
data-race of nf_tables_flowtables list entry.
Use list_for_each_entry_rcu() to iterate over nf_tables_flowtables list
in __nft_flowtable_type_get(), and use rcu_read_lock() in the caller
nft_flowtable_type_get() to protect the entire type query process.
Fixes: 3b49e2e94e6e ("netfilter: nf_tables: add flow table netlink frontend")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 1eb51bf24fc2e..e02d0ae4f4364 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -8296,11 +8296,12 @@ static int nft_flowtable_parse_hook(const struct nft_ctx *ctx,
return err;
}
+/* call under rcu_read_lock */
static const struct nf_flowtable_type *__nft_flowtable_type_get(u8 family)
{
const struct nf_flowtable_type *type;
- list_for_each_entry(type, &nf_tables_flowtables, list) {
+ list_for_each_entry_rcu(type, &nf_tables_flowtables, list) {
if (family == type->family)
return type;
}
@@ -8312,9 +8313,13 @@ nft_flowtable_type_get(struct net *net, u8 family)
{
const struct nf_flowtable_type *type;
+ rcu_read_lock();
type = __nft_flowtable_type_get(family);
- if (type != NULL && try_module_get(type->owner))
+ if (type != NULL && try_module_get(type->owner)) {
+ rcu_read_unlock();
return type;
+ }
+ rcu_read_unlock();
lockdep_nfnl_nft_mutex_not_held();
#ifdef CONFIG_MODULES
--
GitLab
From 1bc83a019bbe268be3526406245ec28c2458a518 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Wed, 3 Apr 2024 19:35:30 +0200
Subject: [PATCH 2114/2686] netfilter: nf_tables: discard table flag update
with pending basechain deletion
Hook unregistration is deferred to the commit phase, same occurs with
hook updates triggered by the table dormant flag. When both commands are
combined, this results in deleting a basechain while leaving its hook
still registered in the core.
Fixes: 179d9ba5559a ("netfilter: nf_tables: fix table flag updates")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index e02d0ae4f4364..d89d779467197 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1209,10 +1209,11 @@ static bool nft_table_pending_update(const struct nft_ctx *ctx)
return true;
list_for_each_entry(trans, &nft_net->commit_list, list) {
- if ((trans->msg_type == NFT_MSG_NEWCHAIN ||
- trans->msg_type == NFT_MSG_DELCHAIN) &&
- trans->ctx.table == ctx->table &&
- nft_trans_chain_update(trans))
+ if (trans->ctx.table == ctx->table &&
+ ((trans->msg_type == NFT_MSG_NEWCHAIN &&
+ nft_trans_chain_update(trans)) ||
+ (trans->msg_type == NFT_MSG_DELCHAIN &&
+ nft_is_base_chain(trans->ctx.chain))))
return true;
}
--
GitLab
From 596a4254915f94c927217fe09c33a6828f33fb25 Mon Sep 17 00:00:00 2001
From: Paul Barker <paul.barker.ct@bp.renesas.com>
Date: Tue, 2 Apr 2024 15:53:04 +0100
Subject: [PATCH 2115/2686] net: ravb: Always process TX descriptor ring
The TX queue should be serviced each time the poll function is called,
even if the full RX work budget has been consumed. This prevents
starvation of the TX queue when RX bandwidth usage is high.
Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/20240402145305.82148-1-paul.barker.ct@bp.renesas.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/renesas/ravb_main.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index d1be030c88483..48803050abdbf 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -1324,12 +1324,12 @@ static int ravb_poll(struct napi_struct *napi, int budget)
int q = napi - priv->napi;
int mask = BIT(q);
int quota = budget;
+ bool unmask;
/* Processing RX Descriptor Ring */
/* Clear RX interrupt */
ravb_write(ndev, ~(mask | RIS0_RESERVED), RIS0);
- if (ravb_rx(ndev, "a, q))
- goto out;
+ unmask = !ravb_rx(ndev, "a, q);
/* Processing TX Descriptor Ring */
spin_lock_irqsave(&priv->lock, flags);
@@ -1339,6 +1339,9 @@ static int ravb_poll(struct napi_struct *napi, int budget)
netif_wake_subqueue(ndev, q);
spin_unlock_irqrestore(&priv->lock, flags);
+ if (!unmask)
+ goto out;
+
napi_complete(napi);
/* Re-enable RX/TX interrupts */
--
GitLab
From 101b76418d7163240bc74a7e06867dca0e51183e Mon Sep 17 00:00:00 2001
From: Paul Barker <paul.barker.ct@bp.renesas.com>
Date: Tue, 2 Apr 2024 15:53:05 +0100
Subject: [PATCH 2116/2686] net: ravb: Always update error counters
The error statistics should be updated each time the poll function is
called, even if the full RX work budget has been consumed. This prevents
the counts from becoming stuck when RX bandwidth usage is high.
This also ensures that error counters are not updated after we've
re-enabled interrupts as that could result in a race condition.
Also drop an unnecessary space.
Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/20240402145305.82148-2-paul.barker.ct@bp.renesas.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/renesas/ravb_main.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 48803050abdbf..ba01c8cc3c906 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -1339,6 +1339,15 @@ static int ravb_poll(struct napi_struct *napi, int budget)
netif_wake_subqueue(ndev, q);
spin_unlock_irqrestore(&priv->lock, flags);
+ /* Receive error message handling */
+ priv->rx_over_errors = priv->stats[RAVB_BE].rx_over_errors;
+ if (info->nc_queues)
+ priv->rx_over_errors += priv->stats[RAVB_NC].rx_over_errors;
+ if (priv->rx_over_errors != ndev->stats.rx_over_errors)
+ ndev->stats.rx_over_errors = priv->rx_over_errors;
+ if (priv->rx_fifo_errors != ndev->stats.rx_fifo_errors)
+ ndev->stats.rx_fifo_errors = priv->rx_fifo_errors;
+
if (!unmask)
goto out;
@@ -1355,14 +1364,6 @@ static int ravb_poll(struct napi_struct *napi, int budget)
}
spin_unlock_irqrestore(&priv->lock, flags);
- /* Receive error message handling */
- priv->rx_over_errors = priv->stats[RAVB_BE].rx_over_errors;
- if (info->nc_queues)
- priv->rx_over_errors += priv->stats[RAVB_NC].rx_over_errors;
- if (priv->rx_over_errors != ndev->stats.rx_over_errors)
- ndev->stats.rx_over_errors = priv->rx_over_errors;
- if (priv->rx_fifo_errors != ndev->stats.rx_fifo_errors)
- ndev->stats.rx_fifo_errors = priv->rx_fifo_errors;
out:
return budget - quota;
}
--
GitLab
From c120209bce34c49dcaba32f15679574327d09f63 Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Tue, 2 Apr 2024 20:33:56 +0200
Subject: [PATCH 2117/2686] net: dsa: sja1105: Fix parameters order in
sja1110_pcs_mdio_write_c45()
The definition and declaration of sja1110_pcs_mdio_write_c45() don't have
parameters in the same order.
Knowing that sja1110_pcs_mdio_write_c45() is used as a function pointer
in 'sja1105_info' structure with .pcs_mdio_write_c45, and that we have:
int (*pcs_mdio_write_c45)(struct mii_bus *bus, int phy, int mmd,
int reg, u16 val);
it is likely that the definition is the one to change.
Found with cppcheck, funcArgOrderDifferent.
Fixes: ae271547bba6 ("net: dsa: sja1105: C45 only transactions for PCS")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/ff2a5af67361988b3581831f7bd1eddebfb4c48f.1712082763.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/dsa/sja1105/sja1105_mdio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/dsa/sja1105/sja1105_mdio.c b/drivers/net/dsa/sja1105/sja1105_mdio.c
index 833e55e4b9612..52ddb4ef259e9 100644
--- a/drivers/net/dsa/sja1105/sja1105_mdio.c
+++ b/drivers/net/dsa/sja1105/sja1105_mdio.c
@@ -94,7 +94,7 @@ int sja1110_pcs_mdio_read_c45(struct mii_bus *bus, int phy, int mmd, int reg)
return tmp & 0xffff;
}
-int sja1110_pcs_mdio_write_c45(struct mii_bus *bus, int phy, int reg, int mmd,
+int sja1110_pcs_mdio_write_c45(struct mii_bus *bus, int phy, int mmd, int reg,
u16 val)
{
struct sja1105_mdio_private *mdio_priv = bus->priv;
--
GitLab
From b9846a386734e73a1414950ebfd50f04919f5e24 Mon Sep 17 00:00:00 2001
From: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Date: Thu, 4 Apr 2024 09:47:13 +0530
Subject: [PATCH 2118/2686] ASoC: SOF: amd: fix for false dsp interrupts
Before ACP firmware loading, DSP interrupts are not expected.
Sometimes after reboot, it's observed that before ACP firmware is loaded
false DSP interrupt is reported.
Registering the interrupt handler before acp initialization causing false
interrupts sometimes on reboot as ACP reset is not applied.
Correct the sequence by invoking acp initialization sequence prior to
registering interrupt handler.
Fixes: 738a2b5e2cc9 ("ASoC: SOF: amd: Add IPC support for ACP IP block")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://msgid.link/r/20240404041717.430545-1-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/amd/acp.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c
index be7dc1e02284a..c12c7f8205294 100644
--- a/sound/soc/sof/amd/acp.c
+++ b/sound/soc/sof/amd/acp.c
@@ -704,6 +704,10 @@ int amd_sof_acp_probe(struct snd_sof_dev *sdev)
goto unregister_dev;
}
+ ret = acp_init(sdev);
+ if (ret < 0)
+ goto free_smn_dev;
+
sdev->ipc_irq = pci->irq;
ret = request_threaded_irq(sdev->ipc_irq, acp_irq_handler, acp_irq_thread,
IRQF_SHARED, "AudioDSP", sdev);
@@ -713,10 +717,6 @@ int amd_sof_acp_probe(struct snd_sof_dev *sdev)
goto free_smn_dev;
}
- ret = acp_init(sdev);
- if (ret < 0)
- goto free_ipc_irq;
-
/* scan SoundWire capabilities exposed by DSDT */
ret = acp_sof_scan_sdw_devices(sdev, chip->sdw_acpi_dev_addr);
if (ret < 0) {
--
GitLab
From 5bfc311dd6c376d350b39028b9000ad766ddc934 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oneukum@suse.com>
Date: Thu, 4 Apr 2024 15:11:05 +0300
Subject: [PATCH 2119/2686] usb: xhci: correct return value in case of STS_HCE
If we get STS_HCE we give up on the interrupt, but for the purpose
of IRQ handling that still counts as ours. We may return IRQ_NONE
only if we are positive that it wasn't ours. Hence correct the default.
Fixes: 2a25e66d676d ("xhci: print warning when HCE was set")
Cc: stable@vger.kernel.org # v6.2+
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240404121106.2842417-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-ring.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 52278afea94be..575f0fd9c9f11 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3133,7 +3133,7 @@ static int xhci_handle_events(struct xhci_hcd *xhci, struct xhci_interrupter *ir
irqreturn_t xhci_irq(struct usb_hcd *hcd)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- irqreturn_t ret = IRQ_NONE;
+ irqreturn_t ret = IRQ_HANDLED;
u32 status;
spin_lock(&xhci->lock);
@@ -3141,12 +3141,13 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
status = readl(&xhci->op_regs->status);
if (status == ~(u32)0) {
xhci_hc_died(xhci);
- ret = IRQ_HANDLED;
goto out;
}
- if (!(status & STS_EINT))
+ if (!(status & STS_EINT)) {
+ ret = IRQ_NONE;
goto out;
+ }
if (status & STS_HCE) {
xhci_warn(xhci, "WARNING: Host Controller Error\n");
@@ -3156,7 +3157,6 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
if (status & STS_FATAL) {
xhci_warn(xhci, "WARNING: Host System Error\n");
xhci_halt(xhci);
- ret = IRQ_HANDLED;
goto out;
}
@@ -3167,7 +3167,6 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
*/
status |= STS_EINT;
writel(status, &xhci->op_regs->status);
- ret = IRQ_HANDLED;
/* This is the handler of the primary interrupter */
xhci_handle_events(xhci, xhci->interrupters[0]);
--
GitLab
From dda7e89e53d6ebf27c49df7d87a54e3e1614d332 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Thu, 4 Apr 2024 15:11:06 +0300
Subject: [PATCH 2120/2686] xhci: Fix root hub port null pointer dereference in
xhci tracepoints
The pointer from a xhci usb virt device to its root hub port
(vdev->rhub_port) is set later when device is addressed, not while
vdev is allocated.
Tracepoints dereferenced this rhub_port pointer when freeing the virt
device, which causes null pointer dereference if tracing is enabled
and device is freed before addressed.
This can happen if tracing is enabled and xhci driver is unloaded before
a device is fully enumerated, or initial enumeration fails and device
is reset and freed before retry.
Don't dereference the rhub_port or show port numbers when tracing
xhci_free_virt_device(). This info is not very useful anyway.
Print the more useful slot id instead
Fixes: 06790c19086f ("xhci: replace real & fake port with pointer to root hub port")
Reported-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Closes: https://lore.kernel.org/linux-usb/20240402005007.klv2ij727fkz7rpd@synopsys.com/
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240404121106.2842417-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/xhci-trace.h | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h
index 1740000d54c29..5762564b9d733 100644
--- a/drivers/usb/host/xhci-trace.h
+++ b/drivers/usb/host/xhci-trace.h
@@ -172,8 +172,7 @@ DECLARE_EVENT_CLASS(xhci_log_free_virt_dev,
__field(void *, vdev)
__field(unsigned long long, out_ctx)
__field(unsigned long long, in_ctx)
- __field(int, hcd_portnum)
- __field(int, hw_portnum)
+ __field(int, slot_id)
__field(u16, current_mel)
),
@@ -181,13 +180,12 @@ DECLARE_EVENT_CLASS(xhci_log_free_virt_dev,
__entry->vdev = vdev;
__entry->in_ctx = (unsigned long long) vdev->in_ctx->dma;
__entry->out_ctx = (unsigned long long) vdev->out_ctx->dma;
- __entry->hcd_portnum = (int) vdev->rhub_port->hcd_portnum;
- __entry->hw_portnum = (int) vdev->rhub_port->hw_portnum;
+ __entry->slot_id = (int) vdev->slot_id;
__entry->current_mel = (u16) vdev->current_mel;
),
- TP_printk("vdev %p ctx %llx | %llx hcd_portnum %d hw_portnum %d current_mel %d",
- __entry->vdev, __entry->in_ctx, __entry->out_ctx,
- __entry->hcd_portnum, __entry->hw_portnum, __entry->current_mel
+ TP_printk("vdev %p slot %d ctx %llx | %llx current_mel %d",
+ __entry->vdev, __entry->slot_id, __entry->in_ctx,
+ __entry->out_ctx, __entry->current_mel
)
);
--
GitLab
From 69630926011c1f7170a465b7b5c228deb66e9372 Mon Sep 17 00:00:00 2001
From: Michael Ellerman <mpe@ellerman.id.au>
Date: Fri, 29 Mar 2024 00:02:00 +1100
Subject: [PATCH 2121/2686] powerpc/crypto/chacha-p10: Fix failure on non
Power10
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The chacha-p10-crypto module provides optimised chacha routines for
Power10. It also selects CRYPTO_ARCH_HAVE_LIB_CHACHA which says it
provides chacha_crypt_arch() to generic code.
Notably the module needs to provide chacha_crypt_arch() regardless of
whether it is loaded on Power10 or an older CPU.
The implementation of chacha_crypt_arch() already has a fallback to
chacha_crypt_generic(), however the module as a whole fails to load on
pre-Power10, because of the use of module_cpu_feature_match().
This breaks for example loading wireguard:
jostaberry-1:~ # modprobe -v wireguard
insmod /lib/modules/6.8.0-lp155.8.g7e0e887-default/kernel/arch/powerpc/crypto/chacha-p10-crypto.ko.zst
modprobe: ERROR: could not insert 'wireguard': No such device
Fix it by removing module_cpu_feature_match(), and instead check the
CPU feature manually. If the CPU feature is not found, the module
still loads successfully, but doesn't register the Power10 specific
algorithms. That allows chacha_crypt_generic() to remain available for
use, fixing the problem.
[root@fedora ~]# modprobe -v wireguard
insmod /lib/modules/6.8.0-00001-g786a790c4d79/kernel/net/ipv4/udp_tunnel.ko
insmod /lib/modules/6.8.0-00001-g786a790c4d79/kernel/net/ipv6/ip6_udp_tunnel.ko
insmod /lib/modules/6.8.0-00001-g786a790c4d79/kernel/lib/crypto/libchacha.ko
insmod /lib/modules/6.8.0-00001-g786a790c4d79/kernel/arch/powerpc/crypto/chacha-p10-crypto.ko
insmod /lib/modules/6.8.0-00001-g786a790c4d79/kernel/lib/crypto/libchacha20poly1305.ko
insmod /lib/modules/6.8.0-00001-g786a790c4d79/kernel/drivers/net/wireguard/wireguard.ko
[ 18.910452][ T721] wireguard: allowedips self-tests: pass
[ 18.914999][ T721] wireguard: nonce counter self-tests: pass
[ 19.029066][ T721] wireguard: ratelimiter self-tests: pass
[ 19.029257][ T721] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information.
[ 19.029361][ T721] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
Reported-by: Michal Suchánek <msuchanek@suse.de>
Closes: https://lore.kernel.org/all/20240315122005.GG20665@kitsune.suse.cz/
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240328130200.3041687-1-mpe@ellerman.id.au
---
arch/powerpc/crypto/chacha-p10-glue.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/crypto/chacha-p10-glue.c b/arch/powerpc/crypto/chacha-p10-glue.c
index 74fb86b0d2097..7c728755852e1 100644
--- a/arch/powerpc/crypto/chacha-p10-glue.c
+++ b/arch/powerpc/crypto/chacha-p10-glue.c
@@ -197,6 +197,9 @@ static struct skcipher_alg algs[] = {
static int __init chacha_p10_init(void)
{
+ if (!cpu_has_feature(CPU_FTR_ARCH_31))
+ return 0;
+
static_branch_enable(&have_p10);
return crypto_register_skciphers(algs, ARRAY_SIZE(algs));
@@ -204,10 +207,13 @@ static int __init chacha_p10_init(void)
static void __exit chacha_p10_exit(void)
{
+ if (!static_branch_likely(&have_p10))
+ return;
+
crypto_unregister_skciphers(algs, ARRAY_SIZE(algs));
}
-module_cpu_feature_match(PPC_MODULE_FEATURE_P10, chacha_p10_init);
+module_init(chacha_p10_init);
module_exit(chacha_p10_exit);
MODULE_DESCRIPTION("ChaCha and XChaCha stream ciphers (P10 accelerated)");
--
GitLab
From 3f03e7717c2999473a3ed38475ed0a962ba9f393 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Wed, 27 Mar 2024 18:53:08 +0100
Subject: [PATCH 2122/2686] usb: phy: MAINTAINERS: mark Freescale USB PHY as
orphaned
Emails to the only maintainer bounce:
<ran.wang_1@nxp.com>: host nxp-com.mail.protection.outlook.com[52.101.68.39]
said: 550 5.4.1 Recipient address rejected: Access denied.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240327175308.520317-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
MAINTAINERS | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 7c121493f43d0..3c78979fb8197 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8752,10 +8752,9 @@ S: Maintained
F: drivers/usb/gadget/udc/fsl*
FREESCALE USB PHY DRIVER
-M: Ran Wang <ran.wang_1@nxp.com>
L: linux-usb@vger.kernel.org
L: linuxppc-dev@lists.ozlabs.org
-S: Maintained
+S: Orphan
F: drivers/usb/phy/phy-fsl-usb*
FREEVXFS FILESYSTEM
--
GitLab
From ce4c8d21054ae9396cd759fe6e8157b525616dc4 Mon Sep 17 00:00:00 2001
From: "Christian A. Ehrhardt" <lk@c--e.de>
Date: Mon, 1 Apr 2024 23:05:15 +0200
Subject: [PATCH 2123/2686] usb: typec: ucsi: Fix connector check on init
Fix issues when initially checking for a connector change:
- Use the correct connector number not the entire CCI.
- Call ->read under the PPM lock.
- Remove a bogus READ_ONCE.
Fixes: 808a8b9e0b87 ("usb: typec: ucsi: Check for notifications after init")
Cc: stable@kernel.org
Signed-off-by: Christian A. Ehrhardt <lk@c--e.de>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240401210515.1902048-1-lk@c--e.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/ucsi/ucsi.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 31d8a46ae5e7c..bd6ae92aa39e7 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -1736,11 +1736,13 @@ static int ucsi_init(struct ucsi *ucsi)
ucsi->connector = connector;
ucsi->ntfy = ntfy;
+ mutex_lock(&ucsi->ppm_lock);
ret = ucsi->ops->read(ucsi, UCSI_CCI, &cci, sizeof(cci));
+ mutex_unlock(&ucsi->ppm_lock);
if (ret)
return ret;
- if (UCSI_CCI_CONNECTOR(READ_ONCE(cci)))
- ucsi_connector_change(ucsi, cci);
+ if (UCSI_CCI_CONNECTOR(cci))
+ ucsi_connector_change(ucsi, UCSI_CCI_CONNECTOR(cci));
return 0;
--
GitLab
From 1500a7b2794d46beadd408132ddb5ef669c5c057 Mon Sep 17 00:00:00 2001
From: Paul Cercueil <paul@crapouillou.net>
Date: Tue, 2 Apr 2024 13:09:50 +0200
Subject: [PATCH 2124/2686] usb: gadget: functionfs: Fix inverted DMA fence
direction
A "read" fence was installed when the DMABUF was to be written to,
and a "write" fence was installed when the DMABUF was to be read from.
Besides, dma_resv_usage_rw() should only be used when waiting for
fences.
Fixes: 7b07a2a7ca02 ("usb: gadget: functionfs: Add DMABUF import interface")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20240402110951.16376-2-paul@crapouillou.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/f_fs.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index bffbc1dc651f9..70e8532127ad5 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1578,6 +1578,7 @@ static int ffs_dmabuf_transfer(struct file *file,
struct ffs_dmabuf_priv *priv;
struct ffs_dma_fence *fence;
struct usb_request *usb_req;
+ enum dma_resv_usage resv_dir;
struct dma_buf *dmabuf;
struct ffs_ep *ep;
bool cookie;
@@ -1665,8 +1666,9 @@ static int ffs_dmabuf_transfer(struct file *file,
dma_fence_init(&fence->base, &ffs_dmabuf_fence_ops,
&priv->lock, priv->context, seqno);
- dma_resv_add_fence(dmabuf->resv, &fence->base,
- dma_resv_usage_rw(epfile->in));
+ resv_dir = epfile->in ? DMA_RESV_USAGE_WRITE : DMA_RESV_USAGE_READ;
+
+ dma_resv_add_fence(dmabuf->resv, &fence->base, resv_dir);
dma_resv_unlock(dmabuf->resv);
/* Now that the dma_fence is in place, queue the transfer. */
--
GitLab
From 862b416560c348f66d2091c56e71fd5462510cab Mon Sep 17 00:00:00 2001
From: Paul Cercueil <paul@crapouillou.net>
Date: Tue, 2 Apr 2024 13:09:51 +0200
Subject: [PATCH 2125/2686] usb: gadget: functionfs: Wait for fences before
enqueueing DMABUF
Instead of bailing when fences have already been installed on the
DMABUF, wait for them (with a timeout) when doing a blocking operation.
This fixes the issue where userspace would submit a DMABUF with fences
already installed, with the (correct) expectation that it would just
work.
Fixes: 7b07a2a7ca02 ("usb: gadget: functionfs: Add DMABUF import interface")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20240402110951.16376-3-paul@crapouillou.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/f_fs.c | 23 ++++++++++++-----------
1 file changed, 12 insertions(+), 11 deletions(-)
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 70e8532127ad5..f855f1fc8e5e1 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -46,6 +46,8 @@
#define FUNCTIONFS_MAGIC 0xa647361 /* Chosen by a honest dice roll ;) */
+#define DMABUF_ENQUEUE_TIMEOUT_MS 5000
+
MODULE_IMPORT_NS(DMA_BUF);
/* Reference counter handling */
@@ -1580,9 +1582,11 @@ static int ffs_dmabuf_transfer(struct file *file,
struct usb_request *usb_req;
enum dma_resv_usage resv_dir;
struct dma_buf *dmabuf;
+ unsigned long timeout;
struct ffs_ep *ep;
bool cookie;
u32 seqno;
+ long retl;
int ret;
if (req->flags & ~USB_FFS_DMABUF_TRANSFER_MASK)
@@ -1616,17 +1620,14 @@ static int ffs_dmabuf_transfer(struct file *file,
goto err_attachment_put;
/* Make sure we don't have writers */
- if (!dma_resv_test_signaled(dmabuf->resv, DMA_RESV_USAGE_WRITE)) {
- pr_vdebug("FFS WRITE fence is not signaled\n");
- ret = -EBUSY;
- goto err_resv_unlock;
- }
-
- /* If we're writing to the DMABUF, make sure we don't have readers */
- if (epfile->in &&
- !dma_resv_test_signaled(dmabuf->resv, DMA_RESV_USAGE_READ)) {
- pr_vdebug("FFS READ fence is not signaled\n");
- ret = -EBUSY;
+ timeout = nonblock ? 0 : msecs_to_jiffies(DMABUF_ENQUEUE_TIMEOUT_MS);
+ retl = dma_resv_wait_timeout(dmabuf->resv,
+ dma_resv_usage_rw(epfile->in),
+ true, timeout);
+ if (retl == 0)
+ retl = -EBUSY;
+ if (retl < 0) {
+ ret = (int)retl;
goto err_resv_unlock;
}
--
GitLab
From 3c88b8f471ee9512bc4ef02bebafdc53fb7c5d9e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= <thomas.hellstrom@linux.intel.com>
Date: Wed, 27 Mar 2024 10:11:33 +0100
Subject: [PATCH 2126/2686] drm/xe: Use ring ops TLB invalidation for rebinds
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
For each rebind we insert a GuC TLB invalidation and add a
corresponding unordered TLB invalidation fence. This might
add a huge number of TLB invalidation fences to wait for so
rather than doing that, defer the TLB invalidation to the
next ring ops for each affected exec queue. Since the TLB
is invalidated on exec_queue switch, we need to invalidate
once for each affected exec_queue.
v2:
- Simplify if-statements around the tlb_flush_seqno.
(Matthew Brost)
- Add some comments and asserts.
Fixes: 5387e865d90e ("drm/xe: Add TLB invalidation fence after rebinds issued from execs")
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240327091136.3271-2-thomas.hellstrom@linux.intel.com
(cherry picked from commit 4fc4899e86f7afbd09f4bcb899f0fc57e0296e62)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_exec_queue_types.h | 5 +++++
drivers/gpu/drm/xe/xe_pt.c | 6 ++++--
drivers/gpu/drm/xe/xe_ring_ops.c | 11 ++++-------
drivers/gpu/drm/xe/xe_sched_job.c | 10 ++++++++++
drivers/gpu/drm/xe/xe_sched_job_types.h | 2 ++
drivers/gpu/drm/xe/xe_vm_types.h | 5 +++++
6 files changed, 30 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_exec_queue_types.h b/drivers/gpu/drm/xe/xe_exec_queue_types.h
index 62b3d9d1d7cdd..462b331950320 100644
--- a/drivers/gpu/drm/xe/xe_exec_queue_types.h
+++ b/drivers/gpu/drm/xe/xe_exec_queue_types.h
@@ -148,6 +148,11 @@ struct xe_exec_queue {
const struct xe_ring_ops *ring_ops;
/** @entity: DRM sched entity for this exec queue (1 to 1 relationship) */
struct drm_sched_entity *entity;
+ /**
+ * @tlb_flush_seqno: The seqno of the last rebind tlb flush performed
+ * Protected by @vm's resv. Unused if @vm == NULL.
+ */
+ u64 tlb_flush_seqno;
/** @lrc: logical ring context for this exec queue */
struct xe_lrc lrc[];
};
diff --git a/drivers/gpu/drm/xe/xe_pt.c b/drivers/gpu/drm/xe/xe_pt.c
index 7f54bc3e389d5..9fd65f5d3d803 100644
--- a/drivers/gpu/drm/xe/xe_pt.c
+++ b/drivers/gpu/drm/xe/xe_pt.c
@@ -1254,11 +1254,13 @@ __xe_pt_bind_vma(struct xe_tile *tile, struct xe_vma *vma, struct xe_exec_queue
* non-faulting LR, in particular on user-space batch buffer chaining,
* it needs to be done here.
*/
- if ((rebind && !xe_vm_in_lr_mode(vm) && !vm->batch_invalidate_tlb) ||
- (!rebind && xe_vm_has_scratch(vm) && xe_vm_in_preempt_fence_mode(vm))) {
+ if ((!rebind && xe_vm_has_scratch(vm) && xe_vm_in_preempt_fence_mode(vm))) {
ifence = kzalloc(sizeof(*ifence), GFP_KERNEL);
if (!ifence)
return ERR_PTR(-ENOMEM);
+ } else if (rebind && !xe_vm_in_lr_mode(vm)) {
+ /* We bump also if batch_invalidate_tlb is true */
+ vm->tlb_flush_seqno++;
}
rfence = kzalloc(sizeof(*rfence), GFP_KERNEL);
diff --git a/drivers/gpu/drm/xe/xe_ring_ops.c b/drivers/gpu/drm/xe/xe_ring_ops.c
index c4edffcd4a320..5b2b37b598130 100644
--- a/drivers/gpu/drm/xe/xe_ring_ops.c
+++ b/drivers/gpu/drm/xe/xe_ring_ops.c
@@ -219,10 +219,9 @@ static void __emit_job_gen12_simple(struct xe_sched_job *job, struct xe_lrc *lrc
{
u32 dw[MAX_JOB_SIZE_DW], i = 0;
u32 ppgtt_flag = get_ppgtt_flag(job);
- struct xe_vm *vm = job->q->vm;
struct xe_gt *gt = job->q->gt;
- if (vm && vm->batch_invalidate_tlb) {
+ if (job->ring_ops_flush_tlb) {
dw[i++] = preparser_disable(true);
i = emit_flush_imm_ggtt(xe_lrc_start_seqno_ggtt_addr(lrc),
seqno, true, dw, i);
@@ -270,7 +269,6 @@ static void __emit_job_gen12_video(struct xe_sched_job *job, struct xe_lrc *lrc,
struct xe_gt *gt = job->q->gt;
struct xe_device *xe = gt_to_xe(gt);
bool decode = job->q->class == XE_ENGINE_CLASS_VIDEO_DECODE;
- struct xe_vm *vm = job->q->vm;
dw[i++] = preparser_disable(true);
@@ -282,13 +280,13 @@ static void __emit_job_gen12_video(struct xe_sched_job *job, struct xe_lrc *lrc,
i = emit_aux_table_inv(gt, VE0_AUX_INV, dw, i);
}
- if (vm && vm->batch_invalidate_tlb)
+ if (job->ring_ops_flush_tlb)
i = emit_flush_imm_ggtt(xe_lrc_start_seqno_ggtt_addr(lrc),
seqno, true, dw, i);
dw[i++] = preparser_disable(false);
- if (!vm || !vm->batch_invalidate_tlb)
+ if (!job->ring_ops_flush_tlb)
i = emit_store_imm_ggtt(xe_lrc_start_seqno_ggtt_addr(lrc),
seqno, dw, i);
@@ -317,7 +315,6 @@ static void __emit_job_gen12_render_compute(struct xe_sched_job *job,
struct xe_gt *gt = job->q->gt;
struct xe_device *xe = gt_to_xe(gt);
bool lacks_render = !(gt->info.engine_mask & XE_HW_ENGINE_RCS_MASK);
- struct xe_vm *vm = job->q->vm;
u32 mask_flags = 0;
dw[i++] = preparser_disable(true);
@@ -327,7 +324,7 @@ static void __emit_job_gen12_render_compute(struct xe_sched_job *job,
mask_flags = PIPE_CONTROL_3D_ENGINE_FLAGS;
/* See __xe_pt_bind_vma() for a discussion on TLB invalidations. */
- i = emit_pipe_invalidate(mask_flags, vm && vm->batch_invalidate_tlb, dw, i);
+ i = emit_pipe_invalidate(mask_flags, job->ring_ops_flush_tlb, dw, i);
/* hsdes: 1809175790 */
if (has_aux_ccs(xe))
diff --git a/drivers/gpu/drm/xe/xe_sched_job.c b/drivers/gpu/drm/xe/xe_sched_job.c
index 8151ddafb9407..b0c7fa4693cfe 100644
--- a/drivers/gpu/drm/xe/xe_sched_job.c
+++ b/drivers/gpu/drm/xe/xe_sched_job.c
@@ -250,6 +250,16 @@ bool xe_sched_job_completed(struct xe_sched_job *job)
void xe_sched_job_arm(struct xe_sched_job *job)
{
+ struct xe_exec_queue *q = job->q;
+ struct xe_vm *vm = q->vm;
+
+ if (vm && !xe_sched_job_is_migration(q) && !xe_vm_in_lr_mode(vm) &&
+ (vm->batch_invalidate_tlb || vm->tlb_flush_seqno != q->tlb_flush_seqno)) {
+ xe_vm_assert_held(vm);
+ q->tlb_flush_seqno = vm->tlb_flush_seqno;
+ job->ring_ops_flush_tlb = true;
+ }
+
drm_sched_job_arm(&job->drm);
}
diff --git a/drivers/gpu/drm/xe/xe_sched_job_types.h b/drivers/gpu/drm/xe/xe_sched_job_types.h
index b1d83da50a53d..5e12724219fdd 100644
--- a/drivers/gpu/drm/xe/xe_sched_job_types.h
+++ b/drivers/gpu/drm/xe/xe_sched_job_types.h
@@ -39,6 +39,8 @@ struct xe_sched_job {
} user_fence;
/** @migrate_flush_flags: Additional flush flags for migration jobs */
u32 migrate_flush_flags;
+ /** @ring_ops_flush_tlb: The ring ops need to flush TLB before payload. */
+ bool ring_ops_flush_tlb;
/** @batch_addr: batch buffer address of job */
u64 batch_addr[];
};
diff --git a/drivers/gpu/drm/xe/xe_vm_types.h b/drivers/gpu/drm/xe/xe_vm_types.h
index ae5fb565f6bf4..5747f136d24d1 100644
--- a/drivers/gpu/drm/xe/xe_vm_types.h
+++ b/drivers/gpu/drm/xe/xe_vm_types.h
@@ -264,6 +264,11 @@ struct xe_vm {
bool capture_once;
} error_capture;
+ /**
+ * @tlb_flush_seqno: Required TLB flush seqno for the next exec.
+ * protected by the vm resv.
+ */
+ u64 tlb_flush_seqno;
/** @batch_invalidate_tlb: Always invalidate TLB before batch start */
bool batch_invalidate_tlb;
/** @xef: XE file handle for tracking this VM's drm client */
--
GitLab
From a00e7e3fb4b9b30a9f2286a6f892b6e781e560a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= <thomas.hellstrom@linux.intel.com>
Date: Wed, 27 Mar 2024 10:11:34 +0100
Subject: [PATCH 2127/2686] drm/xe: Rework rebinding
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Instead of handling the vm's rebind fence separately,
which is error prone if they are not strictly ordered,
attach rebind fences as kernel fences to the vm's resv.
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240327091136.3271-3-thomas.hellstrom@linux.intel.com
(cherry picked from commit 5a091aff50b780ae29c7faf70a7a6c21c98a54c4)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_exec.c | 31 +++----------------------------
drivers/gpu/drm/xe/xe_pt.c | 2 +-
drivers/gpu/drm/xe/xe_vm.c | 27 +++++++++------------------
drivers/gpu/drm/xe/xe_vm.h | 2 +-
drivers/gpu/drm/xe/xe_vm_types.h | 3 ---
5 files changed, 14 insertions(+), 51 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_exec.c b/drivers/gpu/drm/xe/xe_exec.c
index 826c8b3896725..79469b76a8bee 100644
--- a/drivers/gpu/drm/xe/xe_exec.c
+++ b/drivers/gpu/drm/xe/xe_exec.c
@@ -152,7 +152,6 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
struct drm_exec *exec = &vm_exec.exec;
u32 i, num_syncs = 0, num_ufence = 0;
struct xe_sched_job *job;
- struct dma_fence *rebind_fence;
struct xe_vm *vm;
bool write_locked, skip_retry = false;
ktime_t end = 0;
@@ -294,35 +293,11 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
* Rebind any invalidated userptr or evicted BOs in the VM, non-compute
* VM mode only.
*/
- rebind_fence = xe_vm_rebind(vm, false);
- if (IS_ERR(rebind_fence)) {
- err = PTR_ERR(rebind_fence);
+ err = xe_vm_rebind(vm, false);
+ if (err)
goto err_put_job;
- }
-
- /*
- * We store the rebind_fence in the VM so subsequent execs don't get
- * scheduled before the rebinds of userptrs / evicted BOs is complete.
- */
- if (rebind_fence) {
- dma_fence_put(vm->rebind_fence);
- vm->rebind_fence = rebind_fence;
- }
- if (vm->rebind_fence) {
- if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT,
- &vm->rebind_fence->flags)) {
- dma_fence_put(vm->rebind_fence);
- vm->rebind_fence = NULL;
- } else {
- dma_fence_get(vm->rebind_fence);
- err = drm_sched_job_add_dependency(&job->drm,
- vm->rebind_fence);
- if (err)
- goto err_put_job;
- }
- }
- /* Wait behind munmap style rebinds */
+ /* Wait behind rebinds */
if (!xe_vm_in_lr_mode(vm)) {
err = drm_sched_job_add_resv_dependencies(&job->drm,
xe_vm_resv(vm),
diff --git a/drivers/gpu/drm/xe/xe_pt.c b/drivers/gpu/drm/xe/xe_pt.c
index 9fd65f5d3d803..5fc4ad1e42981 100644
--- a/drivers/gpu/drm/xe/xe_pt.c
+++ b/drivers/gpu/drm/xe/xe_pt.c
@@ -1299,7 +1299,7 @@ __xe_pt_bind_vma(struct xe_tile *tile, struct xe_vma *vma, struct xe_exec_queue
}
/* add shared fence now for pagetable delayed destroy */
- dma_resv_add_fence(xe_vm_resv(vm), fence, !rebind &&
+ dma_resv_add_fence(xe_vm_resv(vm), fence, rebind ||
last_munmap_rebind ?
DMA_RESV_USAGE_KERNEL :
DMA_RESV_USAGE_BOOKKEEP);
diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index f88faef4142bd..3b97e9c926091 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -522,7 +522,6 @@ static void preempt_rebind_work_func(struct work_struct *w)
{
struct xe_vm *vm = container_of(w, struct xe_vm, preempt.rebind_work);
struct drm_exec exec;
- struct dma_fence *rebind_fence;
unsigned int fence_count = 0;
LIST_HEAD(preempt_fences);
ktime_t end = 0;
@@ -568,18 +567,11 @@ static void preempt_rebind_work_func(struct work_struct *w)
if (err)
goto out_unlock;
- rebind_fence = xe_vm_rebind(vm, true);
- if (IS_ERR(rebind_fence)) {
- err = PTR_ERR(rebind_fence);
+ err = xe_vm_rebind(vm, true);
+ if (err)
goto out_unlock;
- }
-
- if (rebind_fence) {
- dma_fence_wait(rebind_fence, false);
- dma_fence_put(rebind_fence);
- }
- /* Wait on munmap style VM unbinds */
+ /* Wait on rebinds and munmap style VM unbinds */
wait = dma_resv_wait_timeout(xe_vm_resv(vm),
DMA_RESV_USAGE_KERNEL,
false, MAX_SCHEDULE_TIMEOUT);
@@ -773,14 +765,14 @@ xe_vm_bind_vma(struct xe_vma *vma, struct xe_exec_queue *q,
struct xe_sync_entry *syncs, u32 num_syncs,
bool first_op, bool last_op);
-struct dma_fence *xe_vm_rebind(struct xe_vm *vm, bool rebind_worker)
+int xe_vm_rebind(struct xe_vm *vm, bool rebind_worker)
{
- struct dma_fence *fence = NULL;
+ struct dma_fence *fence;
struct xe_vma *vma, *next;
lockdep_assert_held(&vm->lock);
if (xe_vm_in_lr_mode(vm) && !rebind_worker)
- return NULL;
+ return 0;
xe_vm_assert_held(vm);
list_for_each_entry_safe(vma, next, &vm->rebind_list,
@@ -788,17 +780,17 @@ struct dma_fence *xe_vm_rebind(struct xe_vm *vm, bool rebind_worker)
xe_assert(vm->xe, vma->tile_present);
list_del_init(&vma->combined_links.rebind);
- dma_fence_put(fence);
if (rebind_worker)
trace_xe_vma_rebind_worker(vma);
else
trace_xe_vma_rebind_exec(vma);
fence = xe_vm_bind_vma(vma, NULL, NULL, 0, false, false);
if (IS_ERR(fence))
- return fence;
+ return PTR_ERR(fence);
+ dma_fence_put(fence);
}
- return fence;
+ return 0;
}
static void xe_vma_free(struct xe_vma *vma)
@@ -1589,7 +1581,6 @@ static void vm_destroy_work_func(struct work_struct *w)
XE_WARN_ON(vm->pt_root[id]);
trace_xe_vm_free(vm);
- dma_fence_put(vm->rebind_fence);
kfree(vm);
}
diff --git a/drivers/gpu/drm/xe/xe_vm.h b/drivers/gpu/drm/xe/xe_vm.h
index 6df1f1c7f85d9..4853354336f29 100644
--- a/drivers/gpu/drm/xe/xe_vm.h
+++ b/drivers/gpu/drm/xe/xe_vm.h
@@ -207,7 +207,7 @@ int __xe_vm_userptr_needs_repin(struct xe_vm *vm);
int xe_vm_userptr_check_repin(struct xe_vm *vm);
-struct dma_fence *xe_vm_rebind(struct xe_vm *vm, bool rebind_worker);
+int xe_vm_rebind(struct xe_vm *vm, bool rebind_worker);
int xe_vm_invalidate_vma(struct xe_vma *vma);
diff --git a/drivers/gpu/drm/xe/xe_vm_types.h b/drivers/gpu/drm/xe/xe_vm_types.h
index 5747f136d24d1..badf3945083d5 100644
--- a/drivers/gpu/drm/xe/xe_vm_types.h
+++ b/drivers/gpu/drm/xe/xe_vm_types.h
@@ -177,9 +177,6 @@ struct xe_vm {
*/
struct list_head rebind_list;
- /** @rebind_fence: rebind fence from execbuf */
- struct dma_fence *rebind_fence;
-
/**
* @destroy_work: worker to destroy VM, needed as a dma_fence signaling
* from an irq context can be last put and the destroy needs to be able
--
GitLab
From fd1c8085113fb7c803fd81280f7e0bb25a5797ab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= <thomas.hellstrom@linux.intel.com>
Date: Wed, 27 Mar 2024 10:11:35 +0100
Subject: [PATCH 2128/2686] drm/xe: Make TLB invalidation fences unordered
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
They can actually complete out-of-order, so allocate a unique
fence context for each fence.
Fixes: 5387e865d90e ("drm/xe: Add TLB invalidation fence after rebinds issued from execs")
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240327091136.3271-4-thomas.hellstrom@linux.intel.com
(cherry picked from commit 0453f1757501df2e82b66b3183a24bba5a6f8fa3)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c | 1 -
drivers/gpu/drm/xe/xe_gt_types.h | 7 -------
drivers/gpu/drm/xe/xe_pt.c | 3 +--
3 files changed, 1 insertion(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
index f03e077f81a04..e598a4363d019 100644
--- a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
+++ b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
@@ -61,7 +61,6 @@ int xe_gt_tlb_invalidation_init(struct xe_gt *gt)
INIT_LIST_HEAD(>->tlb_invalidation.pending_fences);
spin_lock_init(>->tlb_invalidation.pending_lock);
spin_lock_init(>->tlb_invalidation.lock);
- gt->tlb_invalidation.fence_context = dma_fence_context_alloc(1);
INIT_DELAYED_WORK(>->tlb_invalidation.fence_tdr,
xe_gt_tlb_fence_timeout);
diff --git a/drivers/gpu/drm/xe/xe_gt_types.h b/drivers/gpu/drm/xe/xe_gt_types.h
index 70c615dd14986..07b2f724ec456 100644
--- a/drivers/gpu/drm/xe/xe_gt_types.h
+++ b/drivers/gpu/drm/xe/xe_gt_types.h
@@ -177,13 +177,6 @@ struct xe_gt {
* xe_gt_tlb_fence_timeout after the timeut interval is over.
*/
struct delayed_work fence_tdr;
- /** @tlb_invalidation.fence_context: context for TLB invalidation fences */
- u64 fence_context;
- /**
- * @tlb_invalidation.fence_seqno: seqno to TLB invalidation fences, protected by
- * tlb_invalidation.lock
- */
- u32 fence_seqno;
/** @tlb_invalidation.lock: protects TLB invalidation fences */
spinlock_t lock;
} tlb_invalidation;
diff --git a/drivers/gpu/drm/xe/xe_pt.c b/drivers/gpu/drm/xe/xe_pt.c
index 5fc4ad1e42981..29d1a31f98041 100644
--- a/drivers/gpu/drm/xe/xe_pt.c
+++ b/drivers/gpu/drm/xe/xe_pt.c
@@ -1135,8 +1135,7 @@ static int invalidation_fence_init(struct xe_gt *gt,
spin_lock_irq(>->tlb_invalidation.lock);
dma_fence_init(&ifence->base.base, &invalidation_fence_ops,
>->tlb_invalidation.lock,
- gt->tlb_invalidation.fence_context,
- ++gt->tlb_invalidation.fence_seqno);
+ dma_fence_context_alloc(1), 1);
spin_unlock_irq(>->tlb_invalidation.lock);
INIT_LIST_HEAD(&ifence->base.link);
--
GitLab
From 3edd52bead30879644bb69fe4aafde67d2cd8512 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= <thomas.hellstrom@linux.intel.com>
Date: Wed, 27 Mar 2024 10:11:36 +0100
Subject: [PATCH 2129/2686] drm/xe: Move vma rebinding to the drm_exec locking
loop
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Rebinding might allocate page-table bos, causing evictions.
To support blocking locking during these evictions,
perform the rebinding in the drm_exec locking loop.
Also Reserve fence slots where actually needed rather than trying to
predict how many fence slots will be needed over a complete
wound-wait transaction.
v2:
- Remove a leftover call to xe_vm_rebind() (Matt Brost)
- Add a helper function xe_vm_validate_rebind() (Matt Brost)
v3:
- Add comments and squash with previous patch (Matt Brost)
Fixes: 24f947d58fe5 ("drm/xe: Use DRM GPUVM helpers for external- and evicted objects")
Fixes: 29f424eb8702 ("drm/xe/exec: move fence reservation")
Cc: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240327091136.3271-5-thomas.hellstrom@linux.intel.com
(cherry picked from commit 7ee7dd6f301341d5b1204fc19fa620d7f7f7e90d)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_exec.c | 52 ++---------------
drivers/gpu/drm/xe/xe_gt_pagefault.c | 3 +-
drivers/gpu/drm/xe/xe_pt.c | 14 +++++
drivers/gpu/drm/xe/xe_vm.c | 83 +++++++++++++++++++---------
drivers/gpu/drm/xe/xe_vm.h | 6 +-
5 files changed, 83 insertions(+), 75 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_exec.c b/drivers/gpu/drm/xe/xe_exec.c
index 79469b76a8bee..cc5e0f75de3c7 100644
--- a/drivers/gpu/drm/xe/xe_exec.c
+++ b/drivers/gpu/drm/xe/xe_exec.c
@@ -94,48 +94,16 @@
* Unlock all
*/
+/*
+ * Add validation and rebinding to the drm_exec locking loop, since both can
+ * trigger eviction which may require sleeping dma_resv locks.
+ */
static int xe_exec_fn(struct drm_gpuvm_exec *vm_exec)
{
struct xe_vm *vm = container_of(vm_exec->vm, struct xe_vm, gpuvm);
- struct drm_gem_object *obj;
- unsigned long index;
- int num_fences;
- int ret;
-
- ret = drm_gpuvm_validate(vm_exec->vm, &vm_exec->exec);
- if (ret)
- return ret;
-
- /*
- * 1 fence slot for the final submit, and 1 more for every per-tile for
- * GPU bind and 1 extra for CPU bind. Note that there are potentially
- * many vma per object/dma-resv, however the fence slot will just be
- * re-used, since they are largely the same timeline and the seqno
- * should be in order. In the case of CPU bind there is dummy fence used
- * for all CPU binds, so no need to have a per-tile slot for that.
- */
- num_fences = 1 + 1 + vm->xe->info.tile_count;
- /*
- * We don't know upfront exactly how many fence slots we will need at
- * the start of the exec, since the TTM bo_validate above can consume
- * numerous fence slots. Also due to how the dma_resv_reserve_fences()
- * works it only ensures that at least that many fence slots are
- * available i.e if there are already 10 slots available and we reserve
- * two more, it can just noop without reserving anything. With this it
- * is quite possible that TTM steals some of the fence slots and then
- * when it comes time to do the vma binding and final exec stage we are
- * lacking enough fence slots, leading to some nasty BUG_ON() when
- * adding the fences. Hence just add our own fences here, after the
- * validate stage.
- */
- drm_exec_for_each_locked_object(&vm_exec->exec, index, obj) {
- ret = dma_resv_reserve_fences(obj->resv, num_fences);
- if (ret)
- return ret;
- }
-
- return 0;
+ /* The fence slot added here is intended for the exec sched job. */
+ return xe_vm_validate_rebind(vm, &vm_exec->exec, 1);
}
int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
@@ -289,14 +257,6 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
goto err_exec;
}
- /*
- * Rebind any invalidated userptr or evicted BOs in the VM, non-compute
- * VM mode only.
- */
- err = xe_vm_rebind(vm, false);
- if (err)
- goto err_put_job;
-
/* Wait behind rebinds */
if (!xe_vm_in_lr_mode(vm)) {
err = drm_sched_job_add_resv_dependencies(&job->drm,
diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c
index 241c294270d91..fa9e9853c53ba 100644
--- a/drivers/gpu/drm/xe/xe_gt_pagefault.c
+++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c
@@ -100,10 +100,9 @@ static int xe_pf_begin(struct drm_exec *exec, struct xe_vma *vma,
{
struct xe_bo *bo = xe_vma_bo(vma);
struct xe_vm *vm = xe_vma_vm(vma);
- unsigned int num_shared = 2; /* slots for bind + move */
int err;
- err = xe_vm_prepare_vma(exec, vma, num_shared);
+ err = xe_vm_lock_vma(exec, vma);
if (err)
return err;
diff --git a/drivers/gpu/drm/xe/xe_pt.c b/drivers/gpu/drm/xe/xe_pt.c
index 29d1a31f98041..4efc8c1a3d7a9 100644
--- a/drivers/gpu/drm/xe/xe_pt.c
+++ b/drivers/gpu/drm/xe/xe_pt.c
@@ -1235,6 +1235,13 @@ __xe_pt_bind_vma(struct xe_tile *tile, struct xe_vma *vma, struct xe_exec_queue
err = xe_pt_prepare_bind(tile, vma, entries, &num_entries);
if (err)
goto err;
+
+ err = dma_resv_reserve_fences(xe_vm_resv(vm), 1);
+ if (!err && !xe_vma_has_no_bo(vma) && !xe_vma_bo(vma)->vm)
+ err = dma_resv_reserve_fences(xe_vma_bo(vma)->ttm.base.resv, 1);
+ if (err)
+ goto err;
+
xe_tile_assert(tile, num_entries <= ARRAY_SIZE(entries));
xe_vm_dbg_print_entries(tile_to_xe(tile), entries, num_entries);
@@ -1577,6 +1584,7 @@ __xe_pt_unbind_vma(struct xe_tile *tile, struct xe_vma *vma, struct xe_exec_queu
struct dma_fence *fence = NULL;
struct invalidation_fence *ifence;
struct xe_range_fence *rfence;
+ int err;
LLIST_HEAD(deferred);
@@ -1594,6 +1602,12 @@ __xe_pt_unbind_vma(struct xe_tile *tile, struct xe_vma *vma, struct xe_exec_queu
xe_pt_calc_rfence_interval(vma, &unbind_pt_update, entries,
num_entries);
+ err = dma_resv_reserve_fences(xe_vm_resv(vm), 1);
+ if (!err && !xe_vma_has_no_bo(vma) && !xe_vma_bo(vma)->vm)
+ err = dma_resv_reserve_fences(xe_vma_bo(vma)->ttm.base.resv, 1);
+ if (err)
+ return ERR_PTR(err);
+
ifence = kzalloc(sizeof(*ifence), GFP_KERNEL);
if (!ifence)
return ERR_PTR(-ENOMEM);
diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index 3b97e9c926091..62d1ef8867a84 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -482,17 +482,53 @@ static int xe_gpuvm_validate(struct drm_gpuvm_bo *vm_bo, struct drm_exec *exec)
return 0;
}
+/**
+ * xe_vm_validate_rebind() - Validate buffer objects and rebind vmas
+ * @vm: The vm for which we are rebinding.
+ * @exec: The struct drm_exec with the locked GEM objects.
+ * @num_fences: The number of fences to reserve for the operation, not
+ * including rebinds and validations.
+ *
+ * Validates all evicted gem objects and rebinds their vmas. Note that
+ * rebindings may cause evictions and hence the validation-rebind
+ * sequence is rerun until there are no more objects to validate.
+ *
+ * Return: 0 on success, negative error code on error. In particular,
+ * may return -EINTR or -ERESTARTSYS if interrupted, and -EDEADLK if
+ * the drm_exec transaction needs to be restarted.
+ */
+int xe_vm_validate_rebind(struct xe_vm *vm, struct drm_exec *exec,
+ unsigned int num_fences)
+{
+ struct drm_gem_object *obj;
+ unsigned long index;
+ int ret;
+
+ do {
+ ret = drm_gpuvm_validate(&vm->gpuvm, exec);
+ if (ret)
+ return ret;
+
+ ret = xe_vm_rebind(vm, false);
+ if (ret)
+ return ret;
+ } while (!list_empty(&vm->gpuvm.evict.list));
+
+ drm_exec_for_each_locked_object(exec, index, obj) {
+ ret = dma_resv_reserve_fences(obj->resv, num_fences);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
static int xe_preempt_work_begin(struct drm_exec *exec, struct xe_vm *vm,
bool *done)
{
int err;
- /*
- * 1 fence for each preempt fence plus a fence for each tile from a
- * possible rebind
- */
- err = drm_gpuvm_prepare_vm(&vm->gpuvm, exec, vm->preempt.num_exec_queues +
- vm->xe->info.tile_count);
+ err = drm_gpuvm_prepare_vm(&vm->gpuvm, exec, 0);
if (err)
return err;
@@ -507,7 +543,7 @@ static int xe_preempt_work_begin(struct drm_exec *exec, struct xe_vm *vm,
return 0;
}
- err = drm_gpuvm_prepare_objects(&vm->gpuvm, exec, vm->preempt.num_exec_queues);
+ err = drm_gpuvm_prepare_objects(&vm->gpuvm, exec, 0);
if (err)
return err;
@@ -515,7 +551,13 @@ static int xe_preempt_work_begin(struct drm_exec *exec, struct xe_vm *vm,
if (err)
return err;
- return drm_gpuvm_validate(&vm->gpuvm, exec);
+ /*
+ * Add validation and rebinding to the locking loop since both can
+ * cause evictions which may require blocing dma_resv locks.
+ * The fence reservation here is intended for the new preempt fences
+ * we attach at the end of the rebind work.
+ */
+ return xe_vm_validate_rebind(vm, exec, vm->preempt.num_exec_queues);
}
static void preempt_rebind_work_func(struct work_struct *w)
@@ -996,35 +1038,26 @@ static void xe_vma_destroy(struct xe_vma *vma, struct dma_fence *fence)
}
/**
- * xe_vm_prepare_vma() - drm_exec utility to lock a vma
+ * xe_vm_lock_vma() - drm_exec utility to lock a vma
* @exec: The drm_exec object we're currently locking for.
* @vma: The vma for witch we want to lock the vm resv and any attached
* object's resv.
- * @num_shared: The number of dma-fence slots to pre-allocate in the
- * objects' reservation objects.
*
* Return: 0 on success, negative error code on error. In particular
* may return -EDEADLK on WW transaction contention and -EINTR if
* an interruptible wait is terminated by a signal.
*/
-int xe_vm_prepare_vma(struct drm_exec *exec, struct xe_vma *vma,
- unsigned int num_shared)
+int xe_vm_lock_vma(struct drm_exec *exec, struct xe_vma *vma)
{
struct xe_vm *vm = xe_vma_vm(vma);
struct xe_bo *bo = xe_vma_bo(vma);
int err;
XE_WARN_ON(!vm);
- if (num_shared)
- err = drm_exec_prepare_obj(exec, xe_vm_obj(vm), num_shared);
- else
- err = drm_exec_lock_obj(exec, xe_vm_obj(vm));
- if (!err && bo && !bo->vm) {
- if (num_shared)
- err = drm_exec_prepare_obj(exec, &bo->ttm.base, num_shared);
- else
- err = drm_exec_lock_obj(exec, &bo->ttm.base);
- }
+
+ err = drm_exec_lock_obj(exec, xe_vm_obj(vm));
+ if (!err && bo && !bo->vm)
+ err = drm_exec_lock_obj(exec, &bo->ttm.base);
return err;
}
@@ -1036,7 +1069,7 @@ static void xe_vma_destroy_unlocked(struct xe_vma *vma)
drm_exec_init(&exec, 0, 0);
drm_exec_until_all_locked(&exec) {
- err = xe_vm_prepare_vma(&exec, vma, 0);
+ err = xe_vm_lock_vma(&exec, vma);
drm_exec_retry_on_contention(&exec);
if (XE_WARN_ON(err))
break;
@@ -2503,7 +2536,7 @@ static int op_execute(struct drm_exec *exec, struct xe_vm *vm,
lockdep_assert_held_write(&vm->lock);
- err = xe_vm_prepare_vma(exec, vma, 1);
+ err = xe_vm_lock_vma(exec, vma);
if (err)
return err;
diff --git a/drivers/gpu/drm/xe/xe_vm.h b/drivers/gpu/drm/xe/xe_vm.h
index 4853354336f29..306cd0934a190 100644
--- a/drivers/gpu/drm/xe/xe_vm.h
+++ b/drivers/gpu/drm/xe/xe_vm.h
@@ -242,8 +242,10 @@ bool xe_vm_validate_should_retry(struct drm_exec *exec, int err, ktime_t *end);
int xe_analyze_vm(struct drm_printer *p, struct xe_vm *vm, int gt_id);
-int xe_vm_prepare_vma(struct drm_exec *exec, struct xe_vma *vma,
- unsigned int num_shared);
+int xe_vm_lock_vma(struct drm_exec *exec, struct xe_vma *vma);
+
+int xe_vm_validate_rebind(struct xe_vm *vm, struct drm_exec *exec,
+ unsigned int num_fences);
/**
* xe_vm_resv() - Return's the vm's reservation object
--
GitLab
From 77a011012d7d8b98368a763bf74317c6d5ce00f1 Mon Sep 17 00:00:00 2001
From: Matthew Brost <matthew.brost@intel.com>
Date: Mon, 1 Apr 2024 15:19:11 -0700
Subject: [PATCH 2130/2686] drm/xe: Use ordered wq for preempt fence waiting
Preempt fences can sleep waiting for an exec queue suspend operation to
complete. If the system_unbound_wq is used for waiting and the number of
waiters exceeds max_active this will result in other users of the
system_unbound_wq getting starved. Use a device private work queue for
preempt fences to avoid starvation of the system_unbound_wq.
Even though suspend operations can complete out-of-order, all suspend
operations within a VM need to complete before the preempt rebind worker
can start. With that, use a device private ordered wq for preempt fence
waiting.
v2:
- Add comment about cleanup on failure (Matt R)
- Update commit message (Lucas)
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240401221913.139672-2-matthew.brost@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 37c15c4aae1fe3f67efd2641db8d8c25c2d524ab)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_device.c | 11 ++++++++++-
drivers/gpu/drm/xe/xe_device_types.h | 3 +++
drivers/gpu/drm/xe/xe_preempt_fence.c | 2 +-
3 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index ca85e81fdb443..d32ff3857e658 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -193,6 +193,9 @@ static void xe_device_destroy(struct drm_device *dev, void *dummy)
{
struct xe_device *xe = to_xe_device(dev);
+ if (xe->preempt_fence_wq)
+ destroy_workqueue(xe->preempt_fence_wq);
+
if (xe->ordered_wq)
destroy_workqueue(xe->ordered_wq);
@@ -258,9 +261,15 @@ struct xe_device *xe_device_create(struct pci_dev *pdev,
INIT_LIST_HEAD(&xe->pinned.external_vram);
INIT_LIST_HEAD(&xe->pinned.evicted);
+ xe->preempt_fence_wq = alloc_ordered_workqueue("xe-preempt-fence-wq", 0);
xe->ordered_wq = alloc_ordered_workqueue("xe-ordered-wq", 0);
xe->unordered_wq = alloc_workqueue("xe-unordered-wq", 0, 0);
- if (!xe->ordered_wq || !xe->unordered_wq) {
+ if (!xe->ordered_wq || !xe->unordered_wq ||
+ !xe->preempt_fence_wq) {
+ /*
+ * Cleanup done in xe_device_destroy via
+ * drmm_add_action_or_reset register above
+ */
drm_err(&xe->drm, "Failed to allocate xe workqueues\n");
err = -ENOMEM;
goto err;
diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h
index 9785eef2e5a4e..8e3a222b41cf0 100644
--- a/drivers/gpu/drm/xe/xe_device_types.h
+++ b/drivers/gpu/drm/xe/xe_device_types.h
@@ -363,6 +363,9 @@ struct xe_device {
/** @ufence_wq: user fence wait queue */
wait_queue_head_t ufence_wq;
+ /** @preempt_fence_wq: used to serialize preempt fences */
+ struct workqueue_struct *preempt_fence_wq;
+
/** @ordered_wq: used to serialize compute mode resume */
struct workqueue_struct *ordered_wq;
diff --git a/drivers/gpu/drm/xe/xe_preempt_fence.c b/drivers/gpu/drm/xe/xe_preempt_fence.c
index 7bce2a332603c..7d50c6e89d8e7 100644
--- a/drivers/gpu/drm/xe/xe_preempt_fence.c
+++ b/drivers/gpu/drm/xe/xe_preempt_fence.c
@@ -49,7 +49,7 @@ static bool preempt_fence_enable_signaling(struct dma_fence *fence)
struct xe_exec_queue *q = pfence->q;
pfence->error = q->ops->suspend(q);
- queue_work(system_unbound_wq, &pfence->preempt_work);
+ queue_work(q->vm->xe->preempt_fence_wq, &pfence->preempt_work);
return true;
}
--
GitLab
From 05258a0a69b3c5d2c003f818702c0a52b6fea861 Mon Sep 17 00:00:00 2001
From: Chuck Lever <chuck.lever@oracle.com>
Date: Wed, 3 Apr 2024 10:36:25 -0400
Subject: [PATCH 2131/2686] SUNRPC: Fix a slow server-side memory leak with
RPC-over-TCP
Jan Schunk reports that his small NFS servers suffer from memory
exhaustion after just a few days. A bisect shows that commit
e18e157bb5c8 ("SUNRPC: Send RPC message on TCP with a single
sock_sendmsg() call") is the first bad commit.
That commit assumed that sock_sendmsg() releases all the pages in
the underlying bio_vec array, but the reality is that it doesn't.
svc_xprt_release() releases the rqst's response pages, but the
record marker page fragment isn't one of those, so it is never
released.
This is a narrow fix that can be applied to stable kernels. A
more extensive fix is in the works.
Reported-by: Jan Schunk <scpcom@gmx.de>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218671
Fixes: e18e157bb5c8 ("SUNRPC: Send RPC message on TCP with a single sock_sendmsg() call")
Cc: Alexander Duyck <alexander.duyck@gmail.com>
Cc: Jakub Kacinski <kuba@kernel.org>
Cc: David Howells <dhowells@redhat.com>
Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
net/sunrpc/svcsock.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 545017a3daa4d..6b3f01beb294b 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1206,15 +1206,6 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp)
* MSG_SPLICE_PAGES is used exclusively to reduce the number of
* copy operations in this path. Therefore the caller must ensure
* that the pages backing @xdr are unchanging.
- *
- * Note that the send is non-blocking. The caller has incremented
- * the reference count on each page backing the RPC message, and
- * the network layer will "put" these pages when transmission is
- * complete.
- *
- * This is safe for our RPC services because the memory backing
- * the head and tail components is never kmalloc'd. These always
- * come from pages in the svc_rqst::rq_pages array.
*/
static int svc_tcp_sendmsg(struct svc_sock *svsk, struct svc_rqst *rqstp,
rpc_fraghdr marker, unsigned int *sentp)
@@ -1244,6 +1235,7 @@ static int svc_tcp_sendmsg(struct svc_sock *svsk, struct svc_rqst *rqstp,
iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, rqstp->rq_bvec,
1 + count, sizeof(marker) + rqstp->rq_res.len);
ret = sock_sendmsg(svsk->sk_sock, &msg);
+ page_frag_free(buf);
if (ret < 0)
return ret;
*sentp += ret;
--
GitLab
From c4128304c2169b4664ed6fb6200f228cead2ab70 Mon Sep 17 00:00:00 2001
From: Kyle Tso <kyletso@google.com>
Date: Thu, 4 Apr 2024 21:35:17 +0800
Subject: [PATCH 2132/2686] usb: typec: tcpm: Correct the PDO counting in
pd_set
Off-by-one errors happen because nr_snk_pdo and nr_src_pdo are
incorrectly added one. The index of the loop is equal to the number of
PDOs to be updated when leaving the loop and it doesn't need to be added
one.
When doing the power negotiation, TCPM relies on the "nr_snk_pdo" as
the size of the local sink PDO array to match the Source capabilities
of the partner port. If the off-by-one overflow occurs, a wrong RDO
might be sent and unexpected power transfer might happen such as over
voltage or over current (than expected).
"nr_src_pdo" is used to set the Rp level when the port is in Source
role. It is also the array size of the local Source capabilities when
filling up the buffer which will be sent as the Source PDOs (such as
in Power Negotiation). If the off-by-one overflow occurs, a wrong Rp
level might be set and wrong Source PDOs will be sent to the partner
port. This could potentially cause over current or port resets.
Fixes: cd099cde4ed2 ("usb: typec: tcpm: Support multiple capabilities")
Cc: stable@vger.kernel.org
Signed-off-by: Kyle Tso <kyletso@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240404133517.2707955-1-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/tcpm/tcpm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index c26fb70c3ec6c..ab6ed6111ed05 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -6855,14 +6855,14 @@ static int tcpm_pd_set(struct typec_port *p, struct usb_power_delivery *pd)
if (data->sink_desc.pdo[0]) {
for (i = 0; i < PDO_MAX_OBJECTS && data->sink_desc.pdo[i]; i++)
port->snk_pdo[i] = data->sink_desc.pdo[i];
- port->nr_snk_pdo = i + 1;
+ port->nr_snk_pdo = i;
port->operating_snk_mw = data->operating_snk_mw;
}
if (data->source_desc.pdo[0]) {
for (i = 0; i < PDO_MAX_OBJECTS && data->source_desc.pdo[i]; i++)
port->src_pdo[i] = data->source_desc.pdo[i];
- port->nr_src_pdo = i + 1;
+ port->nr_src_pdo = i;
}
switch (port->state) {
--
GitLab
From 6334b8e4553cc69f51e383c9de545082213d785e Mon Sep 17 00:00:00 2001
From: Norihiko Hama <Norihiko.Hama@alpsalpine.com>
Date: Wed, 27 Mar 2024 11:35:50 +0900
Subject: [PATCH 2133/2686] usb: gadget: f_ncm: Fix UAF ncm object at re-bind
after usb ep transport error
When ncm function is working and then stop usb0 interface for link down,
eth_stop() is called. At this piont, accidentally if usb transport error
should happen in usb_ep_enable(), 'in_ep' and/or 'out_ep' may not be enabled.
After that, ncm_disable() is called to disable for ncm unbind
but gether_disconnect() is never called since 'in_ep' is not enabled.
As the result, ncm object is released in ncm unbind
but 'dev->port_usb' associated to 'ncm->port' is not NULL.
And when ncm bind again to recover netdev, ncm object is reallocated
but usb0 interface is already associated to previous released ncm object.
Therefore, once usb0 interface is up and eth_start_xmit() is called,
released ncm object is dereferrenced and it might cause use-after-free memory.
[function unlink via configfs]
usb0: eth_stop dev->port_usb=ffffff9b179c3200
--> error happens in usb_ep_enable().
NCM: ncm_disable: ncm=ffffff9b179c3200
--> no gether_disconnect() since ncm->port.in_ep->enabled is false.
NCM: ncm_unbind: ncm unbind ncm=ffffff9b179c3200
NCM: ncm_free: ncm free ncm=ffffff9b179c3200 <-- released ncm
[function link via configfs]
NCM: ncm_alloc: ncm alloc ncm=ffffff9ac4f8a000
NCM: ncm_bind: ncm bind ncm=ffffff9ac4f8a000
NCM: ncm_set_alt: ncm=ffffff9ac4f8a000 alt=0
usb0: eth_open dev->port_usb=ffffff9b179c3200 <-- previous released ncm
usb0: eth_start dev->port_usb=ffffff9b179c3200 <--
eth_start_xmit()
--> dev->wrap()
Unable to handle kernel paging request at virtual address dead00000000014f
This patch addresses the issue by checking if 'ncm->netdev' is not NULL at
ncm_disable() to call gether_disconnect() to deassociate 'dev->port_usb'.
It's more reasonable to check 'ncm->netdev' to call gether_connect/disconnect
rather than check 'ncm->port.in_ep->enabled' since it might not be enabled
but the gether connection might be established.
Signed-off-by: Norihiko Hama <Norihiko.Hama@alpsalpine.com>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20240327023550.51214-1-Norihiko.Hama@alpsalpine.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/f_ncm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index 28f4e6552e845..0acc32ed99609 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -878,7 +878,7 @@ static int ncm_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
if (alt > 1)
goto fail;
- if (ncm->port.in_ep->enabled) {
+ if (ncm->netdev) {
DBG(cdev, "reset ncm\n");
ncm->netdev = NULL;
gether_disconnect(&ncm->port);
@@ -1367,7 +1367,7 @@ static void ncm_disable(struct usb_function *f)
DBG(cdev, "ncm deactivated\n");
- if (ncm->port.in_ep->enabled) {
+ if (ncm->netdev) {
ncm->netdev = NULL;
gether_disconnect(&ncm->port);
}
--
GitLab
From b3b95964590a3d756d69ea8604c856de805479ad Mon Sep 17 00:00:00 2001
From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Date: Thu, 4 Apr 2024 11:33:27 +0200
Subject: [PATCH 2134/2686] gpio: cdev: check for NULL labels when sanitizing
them for irqs
We need to take into account that a line's consumer label may be NULL
and not try to kstrdup() it in that case but rather pass the NULL
pointer up the stack to the interrupt request function.
To that end: let make_irq_label() return NULL as a valid return value
and use ERR_PTR() instead to signal an allocation failure to callers.
Cc: stable@vger.kernel.org
Fixes: b34490879baa ("gpio: cdev: sanitize the label before requesting the interrupt")
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Closes: https://lore.kernel.org/lkml/20240402093534.212283-1-naresh.kamboju@linaro.org/
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
---
drivers/gpio/gpiolib-cdev.c | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index fa96356102510..1426cc1c4a285 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -1085,7 +1085,16 @@ static u32 gpio_v2_line_config_debounce_period(struct gpio_v2_line_config *lc,
static inline char *make_irq_label(const char *orig)
{
- return kstrdup_and_replace(orig, '/', ':', GFP_KERNEL);
+ char *new;
+
+ if (!orig)
+ return NULL;
+
+ new = kstrdup_and_replace(orig, '/', ':', GFP_KERNEL);
+ if (!new)
+ return ERR_PTR(-ENOMEM);
+
+ return new;
}
static inline void free_irq_label(const char *label)
@@ -1158,8 +1167,8 @@ static int edge_detector_setup(struct line *line,
irqflags |= IRQF_ONESHOT;
label = make_irq_label(line->req->label);
- if (!label)
- return -ENOMEM;
+ if (IS_ERR(label))
+ return PTR_ERR(label);
/* Request a thread to read the events */
ret = request_threaded_irq(irq, edge_irq_handler, edge_irq_thread,
@@ -2217,8 +2226,8 @@ static int lineevent_create(struct gpio_device *gdev, void __user *ip)
goto out_free_le;
label = make_irq_label(le->label);
- if (!label) {
- ret = -ENOMEM;
+ if (IS_ERR(label)) {
+ ret = PTR_ERR(label);
goto out_free_le;
}
--
GitLab
From d920a2ed8620be04a3301e1a9c2b7cc1de65f19d Mon Sep 17 00:00:00 2001
From: Kai-Heng Feng <kai.heng.feng@canonical.com>
Date: Tue, 5 Mar 2024 14:51:38 +0800
Subject: [PATCH 2135/2686] usb: Disable USB3 LPM at shutdown
SanDisks USB3 storage may disapper after system reboot:
usb usb2-port3: link state change
xhci_hcd 0000:00:14.0: clear port3 link state change, portsc: 0x2c0
usb usb2-port3: do warm reset, port only
xhci_hcd 0000:00:14.0: xhci_hub_status_data: stopping usb2 port polling
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x2b0, return 0x2b0
usb usb2-port3: not warm reset yet, waiting 50ms
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x2f0, return 0x2f0
usb usb2-port3: not warm reset yet, waiting 200ms
...
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x6802c0, return 0x7002c0
usb usb2-port3: not warm reset yet, waiting 200ms
xhci_hcd 0000:00:14.0: clear port3 reset change, portsc: 0x4802c0
xhci_hcd 0000:00:14.0: clear port3 warm(BH) reset change, portsc: 0x4002c0
xhci_hcd 0000:00:14.0: clear port3 link state change, portsc: 0x2c0
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x2c0, return 0x2c0
usb usb2-port3: not enabled, trying warm reset again...
This is due to the USB device still cause port change event after xHCI is
shuted down:
xhci_hcd 0000:38:00.0: // Setting command ring address to 0xffffe001
xhci_hcd 0000:38:00.0: xhci_resume: starting usb3 port polling.
xhci_hcd 0000:38:00.0: xhci_hub_status_data: stopping usb4 port polling
xhci_hcd 0000:38:00.0: xhci_hub_status_data: stopping usb3 port polling
xhci_hcd 0000:38:00.0: hcd_pci_runtime_resume: 0
xhci_hcd 0000:38:00.0: xhci_shutdown: stopping usb3 port polling.
xhci_hcd 0000:38:00.0: // Halt the HC
xhci_hcd 0000:38:00.0: xhci_shutdown completed - status = 1
xhci_hcd 0000:00:14.0: xhci_shutdown: stopping usb1 port polling.
xhci_hcd 0000:00:14.0: // Halt the HC
xhci_hcd 0000:00:14.0: xhci_shutdown completed - status = 1
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x1203, return 0x203
xhci_hcd 0000:00:14.0: set port reset, actual port 2-3 status = 0x1311
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x201203, return 0x100203
xhci_hcd 0000:00:14.0: clear port3 reset change, portsc: 0x1203
xhci_hcd 0000:00:14.0: clear port3 warm(BH) reset change, portsc: 0x1203
xhci_hcd 0000:00:14.0: clear port3 link state change, portsc: 0x1203
xhci_hcd 0000:00:14.0: clear port3 connect change, portsc: 0x1203
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x1203, return 0x203
usb 2-3: device not accepting address 2, error -108
xhci_hcd 0000:00:14.0: xHCI dying or halted, can't queue_command
xhci_hcd 0000:00:14.0: Set port 2-3 link state, portsc: 0x1203, write 0x11261
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x1263, return 0x263
xhci_hcd 0000:00:14.0: set port reset, actual port 2-3 status = 0x1271
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x12b1, return 0x2b1
usb usb2-port3: not reset yet, waiting 60ms
ACPI: PM: Preparing to enter system sleep state S5
xhci_hcd 0000:00:14.0: Get port status 2-3 read: 0x12f1, return 0x2f1
usb usb2-port3: not reset yet, waiting 200ms
reboot: Restarting system
The port change event is caused by LPM transition, so disabling LPM at shutdown
to make sure the device is in U0 for warmboot.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20240305065140.66801-1-kai.heng.feng@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/port.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 686c01af03e63..0e1262a077aea 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -449,8 +449,10 @@ static void usb_port_shutdown(struct device *dev)
{
struct usb_port *port_dev = to_usb_port(dev);
- if (port_dev->child)
+ if (port_dev->child) {
usb_disable_usb2_hardware_lpm(port_dev->child);
+ usb_unlocked_disable_lpm(port_dev->child);
+ }
}
static const struct dev_pm_ops usb_port_pm_ops = {
--
GitLab
From 1fc9af813b25e146d3607669247d0f970f5a87c3 Mon Sep 17 00:00:00 2001
From: Boris Brezillon <boris.brezillon@collabora.com>
Date: Fri, 5 Jan 2024 21:46:11 +0300
Subject: [PATCH 2136/2686] drm/panfrost: Fix the error path in
panfrost_mmu_map_fault_addr()
Subject: [PATCH] drm/panfrost: Fix the error path in
panfrost_mmu_map_fault_addr()
If some the pages or sgt allocation failed, we shouldn't release the
pages ref we got earlier, otherwise we will end up with unbalanced
get/put_pages() calls. We should instead leave everything in place
and let the BO release function deal with extra cleanup when the object
is destroyed, or let the fault handler try again next time it's called.
Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations")
Cc: <stable@vger.kernel.org>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Co-developed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240105184624.508603-18-dmitry.osipenko@collabora.com
---
drivers/gpu/drm/panfrost/panfrost_mmu.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
index f38385fe76bbb..b91019cd5acb1 100644
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
@@ -502,11 +502,18 @@ static int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as,
mapping_set_unevictable(mapping);
for (i = page_offset; i < page_offset + NUM_FAULT_PAGES; i++) {
+ /* Can happen if the last fault only partially filled this
+ * section of the pages array before failing. In that case
+ * we skip already filled pages.
+ */
+ if (pages[i])
+ continue;
+
pages[i] = shmem_read_mapping_page(mapping, i);
if (IS_ERR(pages[i])) {
ret = PTR_ERR(pages[i]);
pages[i] = NULL;
- goto err_pages;
+ goto err_unlock;
}
}
@@ -514,7 +521,7 @@ static int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as,
ret = sg_alloc_table_from_pages(sgt, pages + page_offset,
NUM_FAULT_PAGES, 0, SZ_2M, GFP_KERNEL);
if (ret)
- goto err_pages;
+ goto err_unlock;
ret = dma_map_sgtable(pfdev->dev, sgt, DMA_BIDIRECTIONAL, 0);
if (ret)
@@ -537,8 +544,6 @@ static int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as,
err_map:
sg_free_table(sgt);
-err_pages:
- drm_gem_shmem_put_pages(&bo->base);
err_unlock:
dma_resv_unlock(obj->resv);
err_bo:
--
GitLab
From 3ddf944b32f88741c303f0b21459dbb3872b8bc5 Mon Sep 17 00:00:00 2001
From: "Borislav Petkov (AMD)" <bp@alien8.de>
Date: Wed, 13 Mar 2024 14:48:27 +0100
Subject: [PATCH 2137/2686] x86/mce: Make sure to grab mce_sysfs_mutex in
set_bank()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Modifying a MCA bank's MCA_CTL bits which control which error types to
be reported is done over
/sys/devices/system/machinecheck/
├── machinecheck0
│  ├── bank0
│  ├── bank1
│  ├── bank10
│  ├── bank11
...
sysfs nodes by writing the new bit mask of events to enable.
When the write is accepted, the kernel deletes all current timers and
reinits all banks.
Doing that in parallel can lead to initializing a timer which is already
armed and in the timer wheel, i.e., in use already:
ODEBUG: init active (active state 0) object: ffff888063a28000 object
type: timer_list hint: mce_timer_fn+0x0/0x240 arch/x86/kernel/cpu/mce/core.c:2642
WARNING: CPU: 0 PID: 8120 at lib/debugobjects.c:514
debug_print_object+0x1a0/0x2a0 lib/debugobjects.c:514
Fix that by grabbing the sysfs mutex as the rest of the MCA sysfs code
does.
Reported by: Yue Sun <samsun1006219@gmail.com>
Reported by: xingwei lee <xrivendell7@gmail.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Link: https://lore.kernel.org/r/CAEkJfYNiENwQY8yV1LYJ9LjJs%2Bx_-PqMv98gKig55=2vbzffRw@mail.gmail.com
---
arch/x86/kernel/cpu/mce/core.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index b5cc557cfc373..84d41be6d06ba 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -2500,12 +2500,14 @@ static ssize_t set_bank(struct device *s, struct device_attribute *attr,
return -EINVAL;
b = &per_cpu(mce_banks_array, s->id)[bank];
-
if (!b->init)
return -ENODEV;
b->ctl = new;
+
+ mutex_lock(&mce_sysfs_mutex);
mce_restart();
+ mutex_unlock(&mce_sysfs_mutex);
return size;
}
--
GitLab
From 0551ec93a00d935efd86b45bf70cefdc4e515b65 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Wed, 3 Apr 2024 14:47:17 +0200
Subject: [PATCH 2138/2686] nvme: don't create a multipath node for zero
capacity devices
Apparently there are nvme controllers around that report namespaces
in the namespace list which have zero capacity. Return -ENXIO instead
of -ENODEV from nvme_update_ns_info_block so we don't create a hidden
multipath node for these namespaces but entirely ignore them.
Fixes: 46e7422cda84 ("nvme: move common logic into nvme_update_ns_info")
Reported-by: Nilay Shroff <nilay@linux.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Nilay Shroff <nilay@linux.ibm.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 504dc352c458d..27281a9a8951d 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2089,7 +2089,7 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
if (id->ncap == 0) {
/* namespace not allocated or attached */
info->is_removed = true;
- ret = -ENODEV;
+ ret = -ENXIO;
goto out;
}
lbaf = nvme_lbaf_index(id->flbas);
--
GitLab
From 95409e277d8343810adf8700d29d4329828d452b Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@kernel.org>
Date: Wed, 3 Apr 2024 13:31:14 +0200
Subject: [PATCH 2139/2686] nvmet: implement unique discovery NQN
Unique discovery NQNs allow to differentiate between discovery
services from (typically physically separate) NVMe-oF subsystems.
This is required for establishing secured connections as otherwise
the credentials won't be unique and the integrity of the connection
cannot be guaranteed.
This patch adds a configfs attribute 'discovery_nqn' in the 'nvmet'
configfs directory to specify the unique discovery NQN.
Signed-off-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/target/configfs.c | 47 ++++++++++++++++++++++++++++++++++
drivers/nvme/target/core.c | 7 +++++
2 files changed, 54 insertions(+)
diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c
index 77a6e817b3159..a2325330bf221 100644
--- a/drivers/nvme/target/configfs.c
+++ b/drivers/nvme/target/configfs.c
@@ -1613,6 +1613,11 @@ static struct config_group *nvmet_subsys_make(struct config_group *group,
return ERR_PTR(-EINVAL);
}
+ if (sysfs_streq(name, nvmet_disc_subsys->subsysnqn)) {
+ pr_err("can't create subsystem using unique discovery NQN\n");
+ return ERR_PTR(-EINVAL);
+ }
+
subsys = nvmet_subsys_alloc(name, NVME_NQN_NVME);
if (IS_ERR(subsys))
return ERR_CAST(subsys);
@@ -2159,7 +2164,49 @@ static const struct config_item_type nvmet_hosts_type = {
static struct config_group nvmet_hosts_group;
+static ssize_t nvmet_root_discovery_nqn_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%s\n", nvmet_disc_subsys->subsysnqn);
+}
+
+static ssize_t nvmet_root_discovery_nqn_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct list_head *entry;
+ size_t len;
+
+ len = strcspn(page, "\n");
+ if (!len || len > NVMF_NQN_FIELD_LEN - 1)
+ return -EINVAL;
+
+ down_write(&nvmet_config_sem);
+ list_for_each(entry, &nvmet_subsystems_group.cg_children) {
+ struct config_item *item =
+ container_of(entry, struct config_item, ci_entry);
+
+ if (!strncmp(config_item_name(item), page, len)) {
+ pr_err("duplicate NQN %s\n", config_item_name(item));
+ up_write(&nvmet_config_sem);
+ return -EINVAL;
+ }
+ }
+ memset(nvmet_disc_subsys->subsysnqn, 0, NVMF_NQN_FIELD_LEN);
+ memcpy(nvmet_disc_subsys->subsysnqn, page, len);
+ up_write(&nvmet_config_sem);
+
+ return len;
+}
+
+CONFIGFS_ATTR(nvmet_root_, discovery_nqn);
+
+static struct configfs_attribute *nvmet_root_attrs[] = {
+ &nvmet_root_attr_discovery_nqn,
+ NULL,
+};
+
static const struct config_item_type nvmet_root_type = {
+ .ct_attrs = nvmet_root_attrs,
.ct_owner = THIS_MODULE,
};
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 6bbe4df0166ca..8860a3eb71ec8 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -1541,6 +1541,13 @@ static struct nvmet_subsys *nvmet_find_get_subsys(struct nvmet_port *port,
}
down_read(&nvmet_config_sem);
+ if (!strncmp(nvmet_disc_subsys->subsysnqn, subsysnqn,
+ NVMF_NQN_SIZE)) {
+ if (kref_get_unless_zero(&nvmet_disc_subsys->ref)) {
+ up_read(&nvmet_config_sem);
+ return nvmet_disc_subsys;
+ }
+ }
list_for_each_entry(p, &port->subsystems, entry) {
if (!strncmp(p->subsys->subsysnqn, subsysnqn,
NVMF_NQN_SIZE)) {
--
GitLab
From db67bb39eff0fc5db21f49f8ae93e67ed2c5fe01 Mon Sep 17 00:00:00 2001
From: Daniel Wagner <dwagner@suse.de>
Date: Thu, 4 Apr 2024 16:41:30 +0200
Subject: [PATCH 2140/2686] nvmet-fc: move RCU read lock to
nvmet_fc_assoc_exists
The RCU lock is only needed for the lookup loop and not for
list_ad_tail_rcu call. Thus move it down the call chain into
nvmet_fc_assoc_exists.
While at it also fix the name typo of the function.
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/target/fc.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index fd229f310c931..337ee1cb09ae6 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -1115,16 +1115,21 @@ nvmet_fc_schedule_delete_assoc(struct nvmet_fc_tgt_assoc *assoc)
}
static bool
-nvmet_fc_assoc_exits(struct nvmet_fc_tgtport *tgtport, u64 association_id)
+nvmet_fc_assoc_exists(struct nvmet_fc_tgtport *tgtport, u64 association_id)
{
struct nvmet_fc_tgt_assoc *a;
+ bool found = false;
+ rcu_read_lock();
list_for_each_entry_rcu(a, &tgtport->assoc_list, a_list) {
- if (association_id == a->association_id)
- return true;
+ if (association_id == a->association_id) {
+ found = true;
+ break;
+ }
}
+ rcu_read_unlock();
- return false;
+ return found;
}
static struct nvmet_fc_tgt_assoc *
@@ -1164,13 +1169,11 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
ran = ran << BYTES_FOR_QID_SHIFT;
spin_lock_irqsave(&tgtport->lock, flags);
- rcu_read_lock();
- if (!nvmet_fc_assoc_exits(tgtport, ran)) {
+ if (!nvmet_fc_assoc_exists(tgtport, ran)) {
assoc->association_id = ran;
list_add_tail_rcu(&assoc->a_list, &tgtport->assoc_list);
done = true;
}
- rcu_read_unlock();
spin_unlock_irqrestore(&tgtport->lock, flags);
} while (!done);
--
GitLab
From 205fb5fa6fde1b5b426015eb1ff69f2ff25ef5bb Mon Sep 17 00:00:00 2001
From: Daniel Wagner <dwagner@suse.de>
Date: Thu, 4 Apr 2024 16:41:31 +0200
Subject: [PATCH 2141/2686] nvme-fc: rename free_ctrl callback to match name
pattern
Rename nvme_fc_nvme_ctrl_freed to nvme_fc_free_ctrl to match the name
pattern for the callback.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/fc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 68a5d971657bb..a5b29e9ad342d 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2428,7 +2428,7 @@ nvme_fc_ctrl_get(struct nvme_fc_ctrl *ctrl)
* controller. Called after last nvme_put_ctrl() call
*/
static void
-nvme_fc_nvme_ctrl_freed(struct nvme_ctrl *nctrl)
+nvme_fc_free_ctrl(struct nvme_ctrl *nctrl)
{
struct nvme_fc_ctrl *ctrl = to_fc_ctrl(nctrl);
@@ -3384,7 +3384,7 @@ static const struct nvme_ctrl_ops nvme_fc_ctrl_ops = {
.reg_read32 = nvmf_reg_read32,
.reg_read64 = nvmf_reg_read64,
.reg_write32 = nvmf_reg_write32,
- .free_ctrl = nvme_fc_nvme_ctrl_freed,
+ .free_ctrl = nvme_fc_free_ctrl,
.submit_async_event = nvme_fc_submit_async_event,
.delete_ctrl = nvme_fc_delete_ctrl,
.get_address = nvmf_get_address,
--
GitLab
From 1a4ea83a6e67f1415a1f17c1af5e9c814c882bb5 Mon Sep 17 00:00:00 2001
From: Yuanhe Shu <xiangzao@linux.alibaba.com>
Date: Mon, 26 Feb 2024 11:18:16 +0800
Subject: [PATCH 2142/2686] selftests/ftrace: Limit length in subsystem-enable
tests
While sched* events being traced and sched* events continuously happen,
"[xx] event tracing - enable/disable with subsystem level files" would
not stop as on some slower systems it seems to take forever.
Select the first 100 lines of output would be enough to judge whether
there are more than 3 types of sched events.
Fixes: 815b18ea66d6 ("ftracetest: Add basic event tracing test cases")
Cc: stable@vger.kernel.org
Signed-off-by: Yuanhe Shu <xiangzao@linux.alibaba.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
---
.../selftests/ftrace/test.d/event/subsystem-enable.tc | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc b/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc
index b1ede62498667..b7c8f29c09a97 100644
--- a/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc
+++ b/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc
@@ -18,7 +18,7 @@ echo 'sched:*' > set_event
yield
-count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
+count=`head -n 100 trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
if [ $count -lt 3 ]; then
fail "at least fork, exec and exit events should be recorded"
fi
@@ -29,7 +29,7 @@ echo 1 > events/sched/enable
yield
-count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
+count=`head -n 100 trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
if [ $count -lt 3 ]; then
fail "at least fork, exec and exit events should be recorded"
fi
@@ -40,7 +40,7 @@ echo 0 > events/sched/enable
yield
-count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
+count=`head -n 100 trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
if [ $count -ne 0 ]; then
fail "any of scheduler events should not be recorded"
fi
--
GitLab
From 2e91bb99b9d4f756e92e83c4453f894dda220f09 Mon Sep 17 00:00:00 2001
From: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Date: Wed, 3 Apr 2024 15:21:58 +0200
Subject: [PATCH 2143/2686] net: usb: ax88179_178a: avoid the interface always
configured as random address
After the commit d2689b6a86b9 ("net: usb: ax88179_178a: avoid two
consecutive device resets"), reset is not executed from bind operation and
mac address is not read from the device registers or the devicetree at that
moment. Since the check to configure if the assigned mac address is random
or not for the interface, happens after the bind operation from
usbnet_probe, the interface keeps configured as random address, although the
address is correctly read and set during open operation (the only reset
now).
In order to keep only one reset for the device and to avoid the interface
always configured as random address, after reset, configure correctly the
suitable field from the driver, if the mac address is read successfully from
the device registers or the devicetree. Take into account if a locally
administered address (random) was previously stored.
cc: stable@vger.kernel.org # 6.6+
Fixes: d2689b6a86b9 ("net: usb: ax88179_178a: avoid two consecutive device resets")
Reported-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240403132158.344838-1-jtornosm@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/usb/ax88179_178a.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index 88e084534853d..a9c418890a1ca 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -1273,6 +1273,8 @@ static void ax88179_get_mac_addr(struct usbnet *dev)
if (is_valid_ether_addr(mac)) {
eth_hw_addr_set(dev->net, mac);
+ if (!is_local_ether_addr(mac))
+ dev->net->addr_assign_type = NET_ADDR_PERM;
} else {
netdev_info(dev->net, "invalid MAC address, using random\n");
eth_hw_addr_random(dev->net);
--
GitLab
From d313eb8b77557a6d5855f42d2234bd592c7b50dd Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Wed, 3 Apr 2024 13:09:08 +0000
Subject: [PATCH 2144/2686] net/sched: act_skbmod: prevent kernel-infoleak
syzbot found that tcf_skbmod_dump() was copying four bytes
from kernel stack to user space [1].
The issue here is that 'struct tc_skbmod' has a four bytes hole.
We need to clear the structure before filling fields.
[1]
BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline]
BUG: KMSAN: kernel-infoleak in copy_to_user_iter lib/iov_iter.c:24 [inline]
BUG: KMSAN: kernel-infoleak in iterate_ubuf include/linux/iov_iter.h:29 [inline]
BUG: KMSAN: kernel-infoleak in iterate_and_advance2 include/linux/iov_iter.h:245 [inline]
BUG: KMSAN: kernel-infoleak in iterate_and_advance include/linux/iov_iter.h:271 [inline]
BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x366/0x2520 lib/iov_iter.c:185
instrument_copy_to_user include/linux/instrumented.h:114 [inline]
copy_to_user_iter lib/iov_iter.c:24 [inline]
iterate_ubuf include/linux/iov_iter.h:29 [inline]
iterate_and_advance2 include/linux/iov_iter.h:245 [inline]
iterate_and_advance include/linux/iov_iter.h:271 [inline]
_copy_to_iter+0x366/0x2520 lib/iov_iter.c:185
copy_to_iter include/linux/uio.h:196 [inline]
simple_copy_to_iter net/core/datagram.c:532 [inline]
__skb_datagram_iter+0x185/0x1000 net/core/datagram.c:420
skb_copy_datagram_iter+0x5c/0x200 net/core/datagram.c:546
skb_copy_datagram_msg include/linux/skbuff.h:4050 [inline]
netlink_recvmsg+0x432/0x1610 net/netlink/af_netlink.c:1962
sock_recvmsg_nosec net/socket.c:1046 [inline]
sock_recvmsg+0x2c4/0x340 net/socket.c:1068
__sys_recvfrom+0x35a/0x5f0 net/socket.c:2242
__do_sys_recvfrom net/socket.c:2260 [inline]
__se_sys_recvfrom net/socket.c:2256 [inline]
__x64_sys_recvfrom+0x126/0x1d0 net/socket.c:2256
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
Uninit was stored to memory at:
pskb_expand_head+0x30f/0x19d0 net/core/skbuff.c:2253
netlink_trim+0x2c2/0x330 net/netlink/af_netlink.c:1317
netlink_unicast+0x9f/0x1260 net/netlink/af_netlink.c:1351
nlmsg_unicast include/net/netlink.h:1144 [inline]
nlmsg_notify+0x21d/0x2f0 net/netlink/af_netlink.c:2610
rtnetlink_send+0x73/0x90 net/core/rtnetlink.c:741
rtnetlink_maybe_send include/linux/rtnetlink.h:17 [inline]
tcf_add_notify net/sched/act_api.c:2048 [inline]
tcf_action_add net/sched/act_api.c:2071 [inline]
tc_ctl_action+0x146e/0x19d0 net/sched/act_api.c:2119
rtnetlink_rcv_msg+0x1737/0x1900 net/core/rtnetlink.c:6595
netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2559
rtnetlink_rcv+0x34/0x40 net/core/rtnetlink.c:6613
netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
netlink_unicast+0xf4c/0x1260 net/netlink/af_netlink.c:1361
netlink_sendmsg+0x10df/0x11f0 net/netlink/af_netlink.c:1905
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x30f/0x380 net/socket.c:745
____sys_sendmsg+0x877/0xb60 net/socket.c:2584
___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638
__sys_sendmsg net/socket.c:2667 [inline]
__do_sys_sendmsg net/socket.c:2676 [inline]
__se_sys_sendmsg net/socket.c:2674 [inline]
__x64_sys_sendmsg+0x307/0x4a0 net/socket.c:2674
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
Uninit was stored to memory at:
__nla_put lib/nlattr.c:1041 [inline]
nla_put+0x1c6/0x230 lib/nlattr.c:1099
tcf_skbmod_dump+0x23f/0xc20 net/sched/act_skbmod.c:256
tcf_action_dump_old net/sched/act_api.c:1191 [inline]
tcf_action_dump_1+0x85e/0x970 net/sched/act_api.c:1227
tcf_action_dump+0x1fd/0x460 net/sched/act_api.c:1251
tca_get_fill+0x519/0x7a0 net/sched/act_api.c:1628
tcf_add_notify_msg net/sched/act_api.c:2023 [inline]
tcf_add_notify net/sched/act_api.c:2042 [inline]
tcf_action_add net/sched/act_api.c:2071 [inline]
tc_ctl_action+0x1365/0x19d0 net/sched/act_api.c:2119
rtnetlink_rcv_msg+0x1737/0x1900 net/core/rtnetlink.c:6595
netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2559
rtnetlink_rcv+0x34/0x40 net/core/rtnetlink.c:6613
netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
netlink_unicast+0xf4c/0x1260 net/netlink/af_netlink.c:1361
netlink_sendmsg+0x10df/0x11f0 net/netlink/af_netlink.c:1905
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x30f/0x380 net/socket.c:745
____sys_sendmsg+0x877/0xb60 net/socket.c:2584
___sys_sendmsg+0x28d/0x3c0 net/socket.c:2638
__sys_sendmsg net/socket.c:2667 [inline]
__do_sys_sendmsg net/socket.c:2676 [inline]
__se_sys_sendmsg net/socket.c:2674 [inline]
__x64_sys_sendmsg+0x307/0x4a0 net/socket.c:2674
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
Local variable opt created at:
tcf_skbmod_dump+0x9d/0xc20 net/sched/act_skbmod.c:244
tcf_action_dump_old net/sched/act_api.c:1191 [inline]
tcf_action_dump_1+0x85e/0x970 net/sched/act_api.c:1227
Bytes 188-191 of 248 are uninitialized
Memory access of size 248 starts at ffff888117697680
Data copied to user address 00007ffe56d855f0
Fixes: 86da71b57383 ("net_sched: Introduce skbmod action")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://lore.kernel.org/r/20240403130908.93421-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/sched/act_skbmod.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c
index 39945b139c481..cd0accaf844a1 100644
--- a/net/sched/act_skbmod.c
+++ b/net/sched/act_skbmod.c
@@ -241,13 +241,13 @@ static int tcf_skbmod_dump(struct sk_buff *skb, struct tc_action *a,
struct tcf_skbmod *d = to_skbmod(a);
unsigned char *b = skb_tail_pointer(skb);
struct tcf_skbmod_params *p;
- struct tc_skbmod opt = {
- .index = d->tcf_index,
- .refcnt = refcount_read(&d->tcf_refcnt) - ref,
- .bindcnt = atomic_read(&d->tcf_bindcnt) - bind,
- };
+ struct tc_skbmod opt;
struct tcf_t t;
+ memset(&opt, 0, sizeof(opt));
+ opt.index = d->tcf_index;
+ opt.refcnt = refcount_read(&d->tcf_refcnt) - ref,
+ opt.bindcnt = atomic_read(&d->tcf_bindcnt) - bind;
spin_lock_bh(&d->tcf_lock);
opt.action = d->tcf_action;
p = rcu_dereference_protected(d->skbmod_p,
--
GitLab
From 0c83842df40f86e529db6842231154772c20edcc Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Thu, 4 Apr 2024 12:20:51 +0000
Subject: [PATCH 2145/2686] netfilter: validate user input for expected length
I got multiple syzbot reports showing old bugs exposed
by BPF after commit 20f2505fb436 ("bpf: Try to avoid kzalloc
in cgroup/{s,g}etsockopt")
setsockopt() @optlen argument should be taken into account
before copying data.
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]
BUG: KASAN: slab-out-of-bounds in do_replace net/ipv4/netfilter/ip_tables.c:1111 [inline]
BUG: KASAN: slab-out-of-bounds in do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ip_tables.c:1627
Read of size 96 at addr ffff88802cd73da0 by task syz-executor.4/7238
CPU: 1 PID: 7238 Comm: syz-executor.4 Not tainted 6.9.0-rc2-next-20240403-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x169/0x550 mm/kasan/report.c:488
kasan_report+0x143/0x180 mm/kasan/report.c:601
kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
__asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105
copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
copy_from_sockptr include/linux/sockptr.h:55 [inline]
do_replace net/ipv4/netfilter/ip_tables.c:1111 [inline]
do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ip_tables.c:1627
nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101
do_sock_setsockopt+0x3af/0x720 net/socket.c:2311
__sys_setsockopt+0x1ae/0x250 net/socket.c:2334
__do_sys_setsockopt net/socket.c:2343 [inline]
__se_sys_setsockopt net/socket.c:2340 [inline]
__x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x72/0x7a
RIP: 0033:0x7fd22067dde9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd21f9ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fd2207abf80 RCX: 00007fd22067dde9
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fd2206ca47a R08: 0000000000000001 R09: 0000000000000000
R10: 0000000020000880 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fd2207abf80 R15: 00007ffd2d0170d8
</TASK>
Allocated by task 7238:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slub.c:4069 [inline]
__kmalloc_noprof+0x200/0x410 mm/slub.c:4082
kmalloc_noprof include/linux/slab.h:664 [inline]
__cgroup_bpf_run_filter_setsockopt+0xd47/0x1050 kernel/bpf/cgroup.c:1869
do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293
__sys_setsockopt+0x1ae/0x250 net/socket.c:2334
__do_sys_setsockopt net/socket.c:2343 [inline]
__se_sys_setsockopt net/socket.c:2340 [inline]
__x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x72/0x7a
The buggy address belongs to the object at ffff88802cd73da0
which belongs to the cache kmalloc-8 of size 8
The buggy address is located 0 bytes inside of
allocated 1-byte region [ffff88802cd73da0, ffff88802cd73da1)
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88802cd73020 pfn:0x2cd73
flags: 0xfff80000000000(node=0|zone=1|lastcpupid=0xfff)
page_type: 0xffffefff(slab)
raw: 00fff80000000000 ffff888015041280 dead000000000100 dead000000000122
raw: ffff88802cd73020 000000008080007f 00000001ffffefff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 5103, tgid 2119833701 (syz-executor.4), ts 5103, free_ts 70804600828
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1490
prep_new_page mm/page_alloc.c:1498 [inline]
get_page_from_freelist+0x2e7e/0x2f40 mm/page_alloc.c:3454
__alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4712
__alloc_pages_node_noprof include/linux/gfp.h:244 [inline]
alloc_pages_node_noprof include/linux/gfp.h:271 [inline]
alloc_slab_page+0x5f/0x120 mm/slub.c:2249
allocate_slab+0x5a/0x2e0 mm/slub.c:2412
new_slab mm/slub.c:2465 [inline]
___slab_alloc+0xcd1/0x14b0 mm/slub.c:3615
__slab_alloc+0x58/0xa0 mm/slub.c:3705
__slab_alloc_node mm/slub.c:3758 [inline]
slab_alloc_node mm/slub.c:3936 [inline]
__do_kmalloc_node mm/slub.c:4068 [inline]
kmalloc_node_track_caller_noprof+0x286/0x450 mm/slub.c:4089
kstrdup+0x3a/0x80 mm/util.c:62
device_rename+0xb5/0x1b0 drivers/base/core.c:4558
dev_change_name+0x275/0x860 net/core/dev.c:1232
do_setlink+0xa4b/0x41f0 net/core/rtnetlink.c:2864
__rtnl_newlink net/core/rtnetlink.c:3680 [inline]
rtnl_newlink+0x180b/0x20a0 net/core/rtnetlink.c:3727
rtnetlink_rcv_msg+0x89b/0x10d0 net/core/rtnetlink.c:6594
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2559
netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361
page last free pid 5146 tgid 5146 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1110 [inline]
free_unref_page+0xd3c/0xec0 mm/page_alloc.c:2617
discard_slab mm/slub.c:2511 [inline]
__put_partials+0xeb/0x130 mm/slub.c:2980
put_cpu_partial+0x17c/0x250 mm/slub.c:3055
__slab_free+0x2ea/0x3d0 mm/slub.c:4254
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9e/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3888 [inline]
slab_alloc_node mm/slub.c:3948 [inline]
__do_kmalloc_node mm/slub.c:4068 [inline]
__kmalloc_node_noprof+0x1d7/0x450 mm/slub.c:4076
kmalloc_node_noprof include/linux/slab.h:681 [inline]
kvmalloc_node_noprof+0x72/0x190 mm/util.c:634
bucket_table_alloc lib/rhashtable.c:186 [inline]
rhashtable_rehash_alloc+0x9e/0x290 lib/rhashtable.c:367
rht_deferred_worker+0x4e1/0x2440 lib/rhashtable.c:427
process_one_work kernel/workqueue.c:3218 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3299
worker_thread+0x86d/0xd70 kernel/workqueue.c:3380
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
Memory state around the buggy address:
ffff88802cd73c80: 07 fc fc fc 05 fc fc fc 05 fc fc fc fa fc fc fc
ffff88802cd73d00: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc
>ffff88802cd73d80: fa fc fc fc 01 fc fc fc fa fc fc fc fa fc fc fc
^
ffff88802cd73e00: fa fc fc fc fa fc fc fc 05 fc fc fc 07 fc fc fc
ffff88802cd73e80: 07 fc fc fc 07 fc fc fc 07 fc fc fc 07 fc fc fc
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Pablo Neira Ayuso <pablo@netfilter.org>
Link: https://lore.kernel.org/r/20240404122051.2303764-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/bridge/netfilter/ebtables.c | 6 ++++++
net/ipv4/netfilter/arp_tables.c | 4 ++++
net/ipv4/netfilter/ip_tables.c | 4 ++++
net/ipv6/netfilter/ip6_tables.c | 4 ++++
4 files changed, 18 insertions(+)
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 99d82676f780a..cbd0e3586c3f6 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1111,6 +1111,8 @@ static int do_replace(struct net *net, sockptr_t arg, unsigned int len)
struct ebt_table_info *newinfo;
struct ebt_replace tmp;
+ if (len < sizeof(tmp))
+ return -EINVAL;
if (copy_from_sockptr(&tmp, arg, sizeof(tmp)) != 0)
return -EFAULT;
@@ -1423,6 +1425,8 @@ static int update_counters(struct net *net, sockptr_t arg, unsigned int len)
{
struct ebt_replace hlp;
+ if (len < sizeof(hlp))
+ return -EINVAL;
if (copy_from_sockptr(&hlp, arg, sizeof(hlp)))
return -EFAULT;
@@ -2352,6 +2356,8 @@ static int compat_update_counters(struct net *net, sockptr_t arg,
{
struct compat_ebt_replace hlp;
+ if (len < sizeof(hlp))
+ return -EINVAL;
if (copy_from_sockptr(&hlp, arg, sizeof(hlp)))
return -EFAULT;
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 2407066b0fec1..b150c9929b12e 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -956,6 +956,8 @@ static int do_replace(struct net *net, sockptr_t arg, unsigned int len)
void *loc_cpu_entry;
struct arpt_entry *iter;
+ if (len < sizeof(tmp))
+ return -EINVAL;
if (copy_from_sockptr(&tmp, arg, sizeof(tmp)) != 0)
return -EFAULT;
@@ -1254,6 +1256,8 @@ static int compat_do_replace(struct net *net, sockptr_t arg, unsigned int len)
void *loc_cpu_entry;
struct arpt_entry *iter;
+ if (len < sizeof(tmp))
+ return -EINVAL;
if (copy_from_sockptr(&tmp, arg, sizeof(tmp)) != 0)
return -EFAULT;
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 7da1df4997d05..4876707595781 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -1108,6 +1108,8 @@ do_replace(struct net *net, sockptr_t arg, unsigned int len)
void *loc_cpu_entry;
struct ipt_entry *iter;
+ if (len < sizeof(tmp))
+ return -EINVAL;
if (copy_from_sockptr(&tmp, arg, sizeof(tmp)) != 0)
return -EFAULT;
@@ -1492,6 +1494,8 @@ compat_do_replace(struct net *net, sockptr_t arg, unsigned int len)
void *loc_cpu_entry;
struct ipt_entry *iter;
+ if (len < sizeof(tmp))
+ return -EINVAL;
if (copy_from_sockptr(&tmp, arg, sizeof(tmp)) != 0)
return -EFAULT;
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index fd9f049d6d41e..636b360311c53 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1125,6 +1125,8 @@ do_replace(struct net *net, sockptr_t arg, unsigned int len)
void *loc_cpu_entry;
struct ip6t_entry *iter;
+ if (len < sizeof(tmp))
+ return -EINVAL;
if (copy_from_sockptr(&tmp, arg, sizeof(tmp)) != 0)
return -EFAULT;
@@ -1501,6 +1503,8 @@ compat_do_replace(struct net *net, sockptr_t arg, unsigned int len)
void *loc_cpu_entry;
struct ip6t_entry *iter;
+ if (len < sizeof(tmp))
+ return -EINVAL;
if (copy_from_sockptr(&tmp, arg, sizeof(tmp)) != 0)
return -EFAULT;
--
GitLab
From 72d7cb5c190befbb095bae7737e71560ec0fcaa6 Mon Sep 17 00:00:00 2001
From: Shengyu Li <shengyu.li.evgeny@gmail.com>
Date: Wed, 27 Mar 2024 05:13:15 +0800
Subject: [PATCH 2146/2686] selftests/harness: Prevent infinite loop due to
Assert in FIXTURE_TEARDOWN
This patch addresses an issue in the selftests/harness where an
assertion within FIXTURE_TEARDOWN could trigger an infinite loop.
The problem arises because the teardown procedure is meant to
execute once, but the presence of failing assertions (ASSERT_EQ(0, 1))
leads to repeated attempts to execute teardown due to
the long jump mechanism used by the harness for handling assertions.
To resolve this, the patch ensures that the teardown process
runs only once, regardless of assertion outcomes, preventing
the infinite loop and allowing tests to fail.
A simple test demo(test.c):
#include "kselftest_harness.h"
FIXTURE(f)
{
int fd;
};
FIXTURE_SETUP(f)
{
self->fd = 0;
}
FIXTURE_TEARDOWN(f)
{
TH_LOG("TEARDOWN");
ASSERT_EQ(0, 1);
self->fd = -1;
}
TEST_F(f, open_close)
{
ASSERT_NE(self->fd, 1);
}
TEST_HARNESS_MAIN
will always output the following output due to a dead loop until timeout:
# test.c:15:open_close:TEARDOWN
# test.c:16:open_close:Expected 0 (0) == 1 (1)
# test.c:15:open_close:TEARDOWN
# test.c:16:open_close:Expected 0 (0) == 1 (1)
...
But here's what we should and expect to get:
TAP version 13
1..1
# Starting 1 tests from 2 test cases.
# RUN f.open_close ...
# test.c:15:open_close:TEARDOWN
# test.c:16:open_close:Expected 0 (0) == 1 (1)
# open_close: Test terminated by assertion
# FAIL f.open_close
not ok 1 f.open_close
# FAILED: 0 / 1 tests passed.
# Totals: pass:0 fail:1 xfail:0 xpass:0 skip:0 error:0
also this is related to the issue mentioned in this patch
https://patchwork.kernel.org/project/linux-kselftest/patch/e2ba3f8c-80e6-477d-9cea-1c9af820e0ed@alu.unizg.hr/
Signed-off-by: Shengyu Li <shengyu.li.evgeny@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
---
tools/testing/selftests/kselftest_harness.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index 4fd735e48ee7e..230d628848859 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -383,6 +383,7 @@
FIXTURE_DATA(fixture_name) self; \
pid_t child = 1; \
int status = 0; \
+ bool jmp = false; \
memset(&self, 0, sizeof(FIXTURE_DATA(fixture_name))); \
if (setjmp(_metadata->env) == 0) { \
/* Use the same _metadata. */ \
@@ -399,8 +400,10 @@
_metadata->exit_code = KSFT_FAIL; \
} \
} \
+ else \
+ jmp = true; \
if (child == 0) { \
- if (_metadata->setup_completed && !_metadata->teardown_parent) \
+ if (_metadata->setup_completed && !_metadata->teardown_parent && !jmp) \
fixture_name##_teardown(_metadata, &self, variant->data); \
_exit(0); \
} \
--
GitLab
From 83092341e15d0dfee1caa8dc502f66c815ccd78a Mon Sep 17 00:00:00 2001
From: Kent Gibson <warthog618@gmail.com>
Date: Thu, 4 Apr 2024 11:33:28 +0200
Subject: [PATCH 2147/2686] gpio: cdev: fix missed label sanitizing in
debounce_setup()
When adding sanitization of the label, the path through
edge_detector_setup() that leads to debounce_setup() was overlooked.
A request taking this path does not allocate a new label and the
request label is freed twice when the request is released, resulting
in memory corruption.
Add label sanitization to debounce_setup().
Cc: stable@vger.kernel.org
Fixes: b34490879baa ("gpio: cdev: sanitize the label before requesting the interrupt")
Signed-off-by: Kent Gibson <warthog618@gmail.com>
[Bartosz: rebased on top of the fix for empty GPIO labels]
Co-developed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
drivers/gpio/gpiolib-cdev.c | 49 +++++++++++++++++++++----------------
1 file changed, 28 insertions(+), 21 deletions(-)
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index 1426cc1c4a285..d09c7d7283655 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -728,6 +728,25 @@ static u32 line_event_id(int level)
GPIO_V2_LINE_EVENT_FALLING_EDGE;
}
+static inline char *make_irq_label(const char *orig)
+{
+ char *new;
+
+ if (!orig)
+ return NULL;
+
+ new = kstrdup_and_replace(orig, '/', ':', GFP_KERNEL);
+ if (!new)
+ return ERR_PTR(-ENOMEM);
+
+ return new;
+}
+
+static inline void free_irq_label(const char *label)
+{
+ kfree(label);
+}
+
#ifdef CONFIG_HTE
static enum hte_return process_hw_ts_thread(void *p)
@@ -1015,6 +1034,7 @@ static int debounce_setup(struct line *line, unsigned int debounce_period_us)
{
unsigned long irqflags;
int ret, level, irq;
+ char *label;
/* try hardware */
ret = gpiod_set_debounce(line->desc, debounce_period_us);
@@ -1037,11 +1057,17 @@ static int debounce_setup(struct line *line, unsigned int debounce_period_us)
if (irq < 0)
return -ENXIO;
+ label = make_irq_label(line->req->label);
+ if (IS_ERR(label))
+ return -ENOMEM;
+
irqflags = IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING;
ret = request_irq(irq, debounce_irq_handler, irqflags,
- line->req->label, line);
- if (ret)
+ label, line);
+ if (ret) {
+ free_irq_label(label);
return ret;
+ }
line->irq = irq;
} else {
ret = hte_edge_setup(line, GPIO_V2_LINE_FLAG_EDGE_BOTH);
@@ -1083,25 +1109,6 @@ static u32 gpio_v2_line_config_debounce_period(struct gpio_v2_line_config *lc,
return 0;
}
-static inline char *make_irq_label(const char *orig)
-{
- char *new;
-
- if (!orig)
- return NULL;
-
- new = kstrdup_and_replace(orig, '/', ':', GFP_KERNEL);
- if (!new)
- return ERR_PTR(-ENOMEM);
-
- return new;
-}
-
-static inline void free_irq_label(const char *label)
-{
- kfree(label);
-}
-
static void edge_detector_stop(struct line *line)
{
if (line->irq) {
--
GitLab
From 8130b05c559d1aa83d0c8971b422ba0da18ef24a Mon Sep 17 00:00:00 2001
From: Vincent Guittot <vincent.guittot@linaro.org>
Date: Thu, 4 Apr 2024 12:42:00 +0200
Subject: [PATCH 2148/2686] PM: EM: fix wrong utilization estimation in
em_cpu_energy()
Commit 1b600da51073 ("PM: EM: Optimize em_cpu_energy() and remove division")
has added back map_util_perf() in em_cpu_energy() computation which has
been removed with the rework of scheduler/cpufreq interface.
This is wrong because sugov_effective_cpu_perf() already takes care of
mapping the utilization to a performance level.
Fixes: 1b600da51073 ("PM: EM: Optimize em_cpu_energy() and remove division")
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
include/linux/energy_model.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/include/linux/energy_model.h b/include/linux/energy_model.h
index 770755df852f1..70cd7258cd29f 100644
--- a/include/linux/energy_model.h
+++ b/include/linux/energy_model.h
@@ -245,7 +245,6 @@ static inline unsigned long em_cpu_energy(struct em_perf_domain *pd,
* max utilization to the allowed CPU capacity before calculating
* effective performance.
*/
- max_util = map_util_perf(max_util);
max_util = min(max_util, allowed_cpu_cap);
/*
--
GitLab
From 90f8917e7a15f6dd508779048bdf00ce119b6ca0 Mon Sep 17 00:00:00 2001
From: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Date: Thu, 4 Apr 2024 13:48:13 -0500
Subject: [PATCH 2149/2686] ASoC: SOF: Core: Add remove_late() to
sof_init_environment failure path
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
In cases where the sof driver is unable to find the firmware and/or
topology file [1], it exits without releasing the i915 runtime
pm wakeref [2]. This results in dmesg warnings[3] during
suspend/resume or driver unbind. Add remove_late() to the failure path
of sof_init_environment so that i915 wakeref is released appropriately
[1]
[ 8.990366] sof-audio-pci-intel-mtl 0000:00:1f.3: SOF firmware and/or topology file not found.
[ 8.990396] sof-audio-pci-intel-mtl 0000:00:1f.3: Supported default profiles
[ 8.990398] sof-audio-pci-intel-mtl 0000:00:1f.3: - ipc type 1 (Requested):
[ 8.990399] sof-audio-pci-intel-mtl 0000:00:1f.3: Firmware file: intel/sof-ipc4/mtl/sof-mtl.ri
[ 8.990401] sof-audio-pci-intel-mtl 0000:00:1f.3: Topology file: intel/sof-ace-tplg/sof-mtl-rt711-2ch.tplg
[ 8.990402] sof-audio-pci-intel-mtl 0000:00:1f.3: Check if you have 'sof-firmware' package installed.
[ 8.990403] sof-audio-pci-intel-mtl 0000:00:1f.3: Optionally it can be manually downloaded from:
[ 8.990404] sof-audio-pci-intel-mtl 0000:00:1f.3: https://github.com/thesofproject/sof-bin/
[ 8.999088] sof-audio-pci-intel-mtl 0000:00:1f.3: error: sof_probe_work failed err: -2
[2]
ref_tracker: 0000:00:02.0@ffff9b8511b6a378 has 1/5 users at
track_intel_runtime_pm_wakeref.part.0+0x36/0x70 [i915]
__intel_runtime_pm_get+0x51/0xb0 [i915]
intel_runtime_pm_get+0x17/0x20 [i915]
intel_display_power_get+0x2f/0x70 [i915]
i915_audio_component_get_power+0x23/0x120 [i915]
snd_hdac_display_power+0x89/0x130 [snd_hda_core]
hda_codec_i915_init+0x3f/0x50 [snd_sof_intel_hda]
hda_dsp_probe_early+0x170/0x250 [snd_sof_intel_hda_common]
snd_sof_device_probe+0x224/0x320 [snd_sof]
sof_pci_probe+0x15b/0x220 [snd_sof_pci]
hda_pci_intel_probe+0x30/0x70 [snd_sof_intel_hda_common]
local_pci_probe+0x4c/0xb0
pci_device_probe+0xcc/0x250
really_probe+0x18e/0x420
__driver_probe_device+0x7e/0x170
driver_probe_device+0x23/0xa0
[3]
[ 484.105070] ------------[ cut here ]------------
[ 484.108238] thunderbolt 0000:00:0d.2: PM: pci_pm_suspend_late+0x0/0x50 returned 0 after 0 usecs
[ 484.117106] i915 0000:00:02.0: i915 raw-wakerefs=1 wakelocks=1 on cleanup
[ 484.792005] WARNING: CPU: 2 PID: 2405 at drivers/gpu/drm/i915/intel_runtime_pm.c:444 intel_runtime_pm_driver_release+0x6c/0x80
Tested-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://github.com/thesofproject/linux/pull/4878
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://msgid.link/r/20240404184813.134566-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/core.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c
index 9b00ede2a486a..cc84d4c81be9d 100644
--- a/sound/soc/sof/core.c
+++ b/sound/soc/sof/core.c
@@ -339,8 +339,7 @@ static int sof_init_environment(struct snd_sof_dev *sdev)
ret = snd_sof_probe(sdev);
if (ret < 0) {
dev_err(sdev->dev, "failed to probe DSP %d\n", ret);
- sof_ops_free(sdev);
- return ret;
+ goto err_sof_probe;
}
/* check machine info */
@@ -358,15 +357,18 @@ static int sof_init_environment(struct snd_sof_dev *sdev)
ret = validate_sof_ops(sdev);
if (ret < 0) {
snd_sof_remove(sdev);
+ snd_sof_remove_late(sdev);
return ret;
}
}
+ return 0;
+
err_machine_check:
- if (ret) {
- snd_sof_remove(sdev);
- sof_ops_free(sdev);
- }
+ snd_sof_remove(sdev);
+err_sof_probe:
+ snd_sof_remove_late(sdev);
+ sof_ops_free(sdev);
return ret;
}
--
GitLab
From dd33e5dc7247041b565014f66286c9566b0e32b6 Mon Sep 17 00:00:00 2001
From: Andreas Schwab <schwab@suse.de>
Date: Tue, 19 Mar 2024 16:40:05 +0100
Subject: [PATCH 2150/2686] riscv: use KERN_INFO in do_trap
Print the instruction dump with info instead of emergency level. The
unhandled signal message is only for informational purpose.
Fixes: b8a03a634129 ("riscv: add userland instruction dump to RISC-V splats")
Signed-off-by: Andreas Schwab <schwab@suse.de>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Yunhui Cui <cuiyunhui@bytedance.com>
Link: https://lore.kernel.org/r/mvmy1aegrhm.fsf@suse.de
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/kernel/traps.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c
index 868d6280cf667..05a16b1f0aee8 100644
--- a/arch/riscv/kernel/traps.c
+++ b/arch/riscv/kernel/traps.c
@@ -122,7 +122,7 @@ void do_trap(struct pt_regs *regs, int signo, int code, unsigned long addr)
print_vma_addr(KERN_CONT " in ", instruction_pointer(regs));
pr_cont("\n");
__show_regs(regs);
- dump_instr(KERN_EMERG, regs);
+ dump_instr(KERN_INFO, regs);
}
force_sig_fault(signo, code, (void __user *)addr);
--
GitLab
From 8a48ea87ce89fb701624f4b9e82556c81f30c7dc Mon Sep 17 00:00:00 2001
From: Alexandre Ghiti <alexghiti@rivosinc.com>
Date: Tue, 26 Mar 2024 21:30:16 +0100
Subject: [PATCH 2151/2686] riscv: Fix warning by declaring arch_cpu_idle() as
noinstr
The following warning appears when using ftrace:
[89855.443413] RCU not on for: arch_cpu_idle+0x0/0x1c
[89855.445640] WARNING: CPU: 5 PID: 0 at include/linux/trace_recursion.h:162 arch_ftrace_ops_list_func+0x208/0x228
[89855.445824] Modules linked in: xt_conntrack(E) nft_chain_nat(E) xt_MASQUERADE(E) nf_conntrack_netlink(E) xt_addrtype(E) nft_compat(E) nf_tables(E) nfnetlink(E) br_netfilter(E) cfg80211(E) nls_iso8859_1(E) ofpart(E) redboot(E) cmdlinepart(E) cfi_cmdset_0001(E) virtio_net(E) cfi_probe(E) cfi_util(E) 9pnet_virtio(E) gen_probe(E) net_failover(E) virtio_rng(E) failover(E) 9pnet(E) physmap(E) map_funcs(E) chipreg(E) mtd(E) uio_pdrv_genirq(E) uio(E) dm_multipath(E) scsi_dh_rdac(E) scsi_dh_emc(E) scsi_dh_alua(E) drm(E) efi_pstore(E) backlight(E) ip_tables(E) x_tables(E) raid10(E) raid456(E) async_raid6_recov(E) async_memcpy(E) async_pq(E) async_xor(E) xor(E) async_tx(E) raid6_pq(E) raid1(E) raid0(E) virtio_blk(E)
[89855.451563] CPU: 5 PID: 0 Comm: swapper/5 Tainted: G E 6.8.0-rc6ubuntu-defconfig #2
[89855.451726] Hardware name: riscv-virtio,qemu (DT)
[89855.451899] epc : arch_ftrace_ops_list_func+0x208/0x228
[89855.452016] ra : arch_ftrace_ops_list_func+0x208/0x228
[89855.452119] epc : ffffffff8016b216 ra : ffffffff8016b216 sp : ffffaf808090fdb0
[89855.452171] gp : ffffffff827c7680 tp : ffffaf808089ad40 t0 : ffffffff800c0dd8
[89855.452216] t1 : 0000000000000001 t2 : 0000000000000000 s0 : ffffaf808090fe30
[89855.452306] s1 : 0000000000000000 a0 : 0000000000000026 a1 : ffffffff82cd6ac8
[89855.452423] a2 : ffffffff800458c8 a3 : ffffaf80b1870640 a4 : 0000000000000000
[89855.452646] a5 : 0000000000000000 a6 : 00000000ffffffff a7 : ffffffffffffffff
[89855.452698] s2 : ffffffff82766872 s3 : ffffffff80004caa s4 : ffffffff80ebea90
[89855.452743] s5 : ffffaf808089bd40 s6 : 8000000a00006e00 s7 : 0000000000000008
[89855.452787] s8 : 0000000000002000 s9 : 0000000080043700 s10: 0000000000000000
[89855.452831] s11: 0000000000000000 t3 : 0000000000100000 t4 : 0000000000000064
[89855.452874] t5 : 000000000000000c t6 : ffffaf80b182dbfc
[89855.452929] status: 0000000200000100 badaddr: 0000000000000000 cause: 0000000000000003
[89855.453053] [<ffffffff8016b216>] arch_ftrace_ops_list_func+0x208/0x228
[89855.453191] [<ffffffff8000e082>] ftrace_call+0x8/0x22
[89855.453265] [<ffffffff800a149c>] do_idle+0x24c/0x2ca
[89855.453357] [<ffffffff8000da54>] return_to_handler+0x0/0x26
[89855.453429] [<ffffffff8000b716>] smp_callin+0x92/0xb6
[89855.453785] ---[ end trace 0000000000000000 ]---
To fix this, mark arch_cpu_idle() as noinstr, like it is done in commit
a9cbc1b471d2 ("s390/idle: mark arch_cpu_idle() noinstr").
Reported-by: Evgenii Shatokhin <e.shatokhin@yadro.com>
Closes: https://lore.kernel.org/linux-riscv/51f21b87-ebed-4411-afbc-c00d3dea2bab@yadro.com/
Fixes: cfbc4f81c9d0 ("riscv: Select ARCH_WANTS_NO_INSTR")
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Andy Chiu <andy.chiu@sifive.com>
Tested-by: Andy Chiu <andy.chiu@sifive.com>
Acked-by: Puranjay Mohan <puranjay12@gmail.com>
Link: https://lore.kernel.org/r/20240326203017.310422-2-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/kernel/process.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index 92922dbd5b5c1..6abeecbfc51d0 100644
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -37,7 +37,7 @@ EXPORT_SYMBOL(__stack_chk_guard);
extern asmlinkage void ret_from_fork(void);
-void arch_cpu_idle(void)
+void noinstr arch_cpu_idle(void)
{
cpu_do_idle();
}
--
GitLab
From a370c2419e4680a27382d9231edcf739d5d74efc Mon Sep 17 00:00:00 2001
From: Alexandre Ghiti <alexghiti@rivosinc.com>
Date: Tue, 26 Mar 2024 21:30:17 +0100
Subject: [PATCH 2152/2686] riscv: Disable preemption when using patch_map()
patch_map() uses fixmap mappings to circumvent the non-writability of
the kernel text mapping.
The __set_fixmap() function only flushes the current cpu tlb, it does
not emit an IPI so we must make sure that while we use a fixmap mapping,
the current task is not migrated on another cpu which could miss the
newly introduced fixmap mapping.
So in order to avoid any task migration, disable the preemption.
Reported-by: Andrea Parri <andrea@rivosinc.com>
Closes: https://lore.kernel.org/all/ZcS+GAaM25LXsBOl@andrea/
Reported-by: Andy Chiu <andy.chiu@sifive.com>
Closes: https://lore.kernel.org/linux-riscv/CABgGipUMz3Sffu-CkmeUB1dKVwVQ73+7=sgC45-m0AE9RCjOZg@mail.gmail.com/
Fixes: cad539baa48f ("riscv: implement a memset like function for text")
Fixes: 0ff7c3b33127 ("riscv: Use text_mutex instead of patch_lock")
Co-developed-by: Andy Chiu <andy.chiu@sifive.com>
Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Acked-by: Puranjay Mohan <puranjay12@gmail.com>
Link: https://lore.kernel.org/r/20240326203017.310422-3-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/kernel/patch.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/riscv/kernel/patch.c b/arch/riscv/kernel/patch.c
index 37e87fdcf6a00..30e12b310cab7 100644
--- a/arch/riscv/kernel/patch.c
+++ b/arch/riscv/kernel/patch.c
@@ -80,6 +80,8 @@ static int __patch_insn_set(void *addr, u8 c, size_t len)
*/
lockdep_assert_held(&text_mutex);
+ preempt_disable();
+
if (across_pages)
patch_map(addr + PAGE_SIZE, FIX_TEXT_POKE1);
@@ -92,6 +94,8 @@ static int __patch_insn_set(void *addr, u8 c, size_t len)
if (across_pages)
patch_unmap(FIX_TEXT_POKE1);
+ preempt_enable();
+
return 0;
}
NOKPROBE_SYMBOL(__patch_insn_set);
@@ -122,6 +126,8 @@ static int __patch_insn_write(void *addr, const void *insn, size_t len)
if (!riscv_patch_in_stop_machine)
lockdep_assert_held(&text_mutex);
+ preempt_disable();
+
if (across_pages)
patch_map(addr + PAGE_SIZE, FIX_TEXT_POKE1);
@@ -134,6 +140,8 @@ static int __patch_insn_write(void *addr, const void *insn, size_t len)
if (across_pages)
patch_unmap(FIX_TEXT_POKE1);
+ preempt_enable();
+
return ret;
}
NOKPROBE_SYMBOL(__patch_insn_write);
--
GitLab
From d14fa1fcf69db9d070e75f1c4425211fa619dfc8 Mon Sep 17 00:00:00 2001
From: Stefan O'Rear <sorear@fastmail.com>
Date: Wed, 27 Mar 2024 02:12:58 -0400
Subject: [PATCH 2153/2686] riscv: process: Fix kernel gp leakage
childregs represents the registers which are active for the new thread
in user context. For a kernel thread, childregs->gp is never used since
the kernel gp is not touched by switch_to. For a user mode helper, the
gp value can be observed in user space after execve or possibly by other
means.
[From the email thread]
The /* Kernel thread */ comment is somewhat inaccurate in that it is also used
for user_mode_helper threads, which exec a user process, e.g. /sbin/init or
when /proc/sys/kernel/core_pattern is a pipe. Such threads do not have
PF_KTHREAD set and are valid targets for ptrace etc. even before they exec.
childregs is the *user* context during syscall execution and it is observable
from userspace in at least five ways:
1. kernel_execve does not currently clear integer registers, so the starting
register state for PID 1 and other user processes started by the kernel has
sp = user stack, gp = kernel __global_pointer$, all other integer registers
zeroed by the memset in the patch comment.
This is a bug in its own right, but I'm unwilling to bet that it is the only
way to exploit the issue addressed by this patch.
2. ptrace(PTRACE_GETREGSET): you can PTRACE_ATTACH to a user_mode_helper thread
before it execs, but ptrace requires SIGSTOP to be delivered which can only
happen at user/kernel boundaries.
3. /proc/*/task/*/syscall: this is perfectly happy to read pt_regs for
user_mode_helpers before the exec completes, but gp is not one of the
registers it returns.
4. PERF_SAMPLE_REGS_USER: LOCKDOWN_PERF normally prevents access to kernel
addresses via PERF_SAMPLE_REGS_INTR, but due to this bug kernel addresses
are also exposed via PERF_SAMPLE_REGS_USER which is permitted under
LOCKDOWN_PERF. I have not attempted to write exploit code.
5. Much of the tracing infrastructure allows access to user registers. I have
not attempted to determine which forms of tracing allow access to user
registers without already allowing access to kernel registers.
Fixes: 7db91e57a0ac ("RISC-V: Task implementation")
Cc: stable@vger.kernel.org
Signed-off-by: Stefan O'Rear <sorear@fastmail.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240327061258.2370291-1-sorear@fastmail.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/kernel/process.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index 6abeecbfc51d0..e4bc61c4e58af 100644
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -27,8 +27,6 @@
#include <asm/vector.h>
#include <asm/cpufeature.h>
-register unsigned long gp_in_global __asm__("gp");
-
#if defined(CONFIG_STACKPROTECTOR) && !defined(CONFIG_STACKPROTECTOR_PER_TASK)
#include <linux/stackprotector.h>
unsigned long __stack_chk_guard __read_mostly;
@@ -207,7 +205,6 @@ int copy_thread(struct task_struct *p, const struct kernel_clone_args *args)
if (unlikely(args->fn)) {
/* Kernel thread */
memset(childregs, 0, sizeof(struct pt_regs));
- childregs->gp = gp_in_global;
/* Supervisor/Machine, irqs on: */
childregs->status = SR_PP | SR_PIE;
--
GitLab
From 01e5f4fc0fead3ef19000e1d2fc748e87aac3f02 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 4 Apr 2024 15:50:26 -0400
Subject: [PATCH 2154/2686] bcachefs: Make snapshot_is_ancestor() safe
Snapshot table accesses generally need to be checking for invalid
snapshot ID now, fix one that was missed.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/snapshot.c | 19 +++++++++++++------
1 file changed, 13 insertions(+), 6 deletions(-)
diff --git a/fs/bcachefs/snapshot.c b/fs/bcachefs/snapshot.c
index 0e806f04f3d7c..544322d5c2517 100644
--- a/fs/bcachefs/snapshot.c
+++ b/fs/bcachefs/snapshot.c
@@ -125,6 +125,15 @@ static inline u32 get_ancestor_below(struct snapshot_table *t, u32 id, u32 ances
return s->parent;
}
+static bool test_ancestor_bitmap(struct snapshot_table *t, u32 id, u32 ancestor)
+{
+ const struct snapshot_t *s = __snapshot_t(t, id);
+ if (!s)
+ return false;
+
+ return test_bit(ancestor - id - 1, s->is_ancestor);
+}
+
bool __bch2_snapshot_is_ancestor(struct bch_fs *c, u32 id, u32 ancestor)
{
bool ret;
@@ -140,13 +149,11 @@ bool __bch2_snapshot_is_ancestor(struct bch_fs *c, u32 id, u32 ancestor)
while (id && id < ancestor - IS_ANCESTOR_BITMAP)
id = get_ancestor_below(t, id, ancestor);
- if (id && id < ancestor) {
- ret = test_bit(ancestor - id - 1, __snapshot_t(t, id)->is_ancestor);
+ ret = id && id < ancestor
+ ? test_ancestor_bitmap(t, id, ancestor)
+ : id == ancestor;
- EBUG_ON(ret != __bch2_snapshot_is_ancestor_early(t, id, ancestor));
- } else {
- ret = id == ancestor;
- }
+ EBUG_ON(ret != __bch2_snapshot_is_ancestor_early(t, id, ancestor));
out:
rcu_read_unlock();
--
GitLab
From be42e4a621fee05e3299169fbb1068b473e779c2 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 4 Apr 2024 16:51:40 -0400
Subject: [PATCH 2155/2686] bcachefs: Bump limit in
btree_trans_too_many_iters()
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_iter.h | 2 +-
fs/bcachefs/btree_types.h | 14 ++++++++++++++
2 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/fs/bcachefs/btree_iter.h b/fs/bcachefs/btree_iter.h
index 24772538e4cc7..1d58d447b386c 100644
--- a/fs/bcachefs/btree_iter.h
+++ b/fs/bcachefs/btree_iter.h
@@ -642,7 +642,7 @@ int __bch2_btree_trans_too_many_iters(struct btree_trans *);
static inline int btree_trans_too_many_iters(struct btree_trans *trans)
{
- if (bitmap_weight(trans->paths_allocated, trans->nr_paths) > BTREE_ITER_INITIAL - 8)
+ if (bitmap_weight(trans->paths_allocated, trans->nr_paths) > BTREE_ITER_NORMAL_LIMIT - 8)
return __bch2_btree_trans_too_many_iters(trans);
return 0;
diff --git a/fs/bcachefs/btree_types.h b/fs/bcachefs/btree_types.h
index 9404d96c38f3b..e0c982a4195c7 100644
--- a/fs/bcachefs/btree_types.h
+++ b/fs/bcachefs/btree_types.h
@@ -364,7 +364,21 @@ struct btree_insert_entry {
unsigned long ip_allocated;
};
+/* Number of btree paths we preallocate, usually enough */
#define BTREE_ITER_INITIAL 64
+/*
+ * Lmiit for btree_trans_too_many_iters(); this is enough that almost all code
+ * paths should run inside this limit, and if they don't it usually indicates a
+ * bug (leaking/duplicated btree paths).
+ *
+ * exception: some fsck paths
+ *
+ * bugs with excessive path usage seem to have possibly been eliminated now, so
+ * we might consider eliminating this (and btree_trans_too_many_iter()) at some
+ * point.
+ */
+#define BTREE_ITER_NORMAL_LIMIT 256
+/* never exceed limit */
#define BTREE_ITER_MAX (1U << 10)
struct btree_trans_commit_hook;
--
GitLab
From 9fb3036fe3d9414ae32a97d01d7ccf7550e168a7 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Wed, 3 Apr 2024 19:15:53 -0400
Subject: [PATCH 2156/2686] bcachefs: Move btree_updates to debugfs
sysfs is limited to PAGE_SIZE, and when we're debugging strange
deadlocks/priority inversions we need to see the full list.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/debug.c | 45 ++++++++++++++++++++++++++++++++++++++++++---
fs/bcachefs/sysfs.c | 6 ------
2 files changed, 42 insertions(+), 9 deletions(-)
diff --git a/fs/bcachefs/debug.c b/fs/bcachefs/debug.c
index 7b681ae91510e..cd99b73994144 100644
--- a/fs/bcachefs/debug.c
+++ b/fs/bcachefs/debug.c
@@ -13,6 +13,7 @@
#include "btree_iter.h"
#include "btree_locking.h"
#include "btree_update.h"
+#include "btree_update_interior.h"
#include "buckets.h"
#include "debug.h"
#include "error.h"
@@ -668,7 +669,7 @@ static ssize_t bch2_journal_pins_read(struct file *file, char __user *buf,
i->size = size;
i->ret = 0;
- do {
+ while (1) {
err = flush_buf(i);
if (err)
return err;
@@ -676,9 +677,12 @@ static ssize_t bch2_journal_pins_read(struct file *file, char __user *buf,
if (!i->size)
break;
+ if (done)
+ break;
+
done = bch2_journal_seq_pins_to_text(&i->buf, &c->journal, &i->iter);
i->iter++;
- } while (!done);
+ }
if (i->buf.allocation_failure)
return -ENOMEM;
@@ -693,13 +697,45 @@ static const struct file_operations journal_pins_ops = {
.read = bch2_journal_pins_read,
};
+static ssize_t bch2_btree_updates_read(struct file *file, char __user *buf,
+ size_t size, loff_t *ppos)
+{
+ struct dump_iter *i = file->private_data;
+ struct bch_fs *c = i->c;
+ int err;
+
+ i->ubuf = buf;
+ i->size = size;
+ i->ret = 0;
+
+ if (!i->iter) {
+ bch2_btree_updates_to_text(&i->buf, c);
+ i->iter++;
+ }
+
+ err = flush_buf(i);
+ if (err)
+ return err;
+
+ if (i->buf.allocation_failure)
+ return -ENOMEM;
+
+ return i->ret;
+}
+
+static const struct file_operations btree_updates_ops = {
+ .owner = THIS_MODULE,
+ .open = bch2_dump_open,
+ .release = bch2_dump_release,
+ .read = bch2_btree_updates_read,
+};
+
static int btree_transaction_stats_open(struct inode *inode, struct file *file)
{
struct bch_fs *c = inode->i_private;
struct dump_iter *i;
i = kzalloc(sizeof(struct dump_iter), GFP_KERNEL);
-
if (!i)
return -ENOMEM;
@@ -902,6 +938,9 @@ void bch2_fs_debug_init(struct bch_fs *c)
debugfs_create_file("journal_pins", 0400, c->fs_debug_dir,
c->btree_debug, &journal_pins_ops);
+ debugfs_create_file("btree_updates", 0400, c->fs_debug_dir,
+ c->btree_debug, &btree_updates_ops);
+
debugfs_create_file("btree_transaction_stats", 0400, c->fs_debug_dir,
c, &btree_transaction_stats_op);
diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c
index c86a93a8d8fc8..b18b0cc81b594 100644
--- a/fs/bcachefs/sysfs.c
+++ b/fs/bcachefs/sysfs.c
@@ -17,7 +17,6 @@
#include "btree_iter.h"
#include "btree_key_cache.h"
#include "btree_update.h"
-#include "btree_update_interior.h"
#include "btree_gc.h"
#include "buckets.h"
#include "clock.h"
@@ -166,7 +165,6 @@ read_attribute(btree_write_stats);
read_attribute(btree_cache_size);
read_attribute(compression_stats);
read_attribute(journal_debug);
-read_attribute(btree_updates);
read_attribute(btree_cache);
read_attribute(btree_key_cache);
read_attribute(stripes_heap);
@@ -415,9 +413,6 @@ SHOW(bch2_fs)
if (attr == &sysfs_journal_debug)
bch2_journal_debug_to_text(out, &c->journal);
- if (attr == &sysfs_btree_updates)
- bch2_btree_updates_to_text(out, c);
-
if (attr == &sysfs_btree_cache)
bch2_btree_cache_to_text(out, c);
@@ -639,7 +634,6 @@ SYSFS_OPS(bch2_fs_internal);
struct attribute *bch2_fs_internal_files[] = {
&sysfs_flags,
&sysfs_journal_debug,
- &sysfs_btree_updates,
&sysfs_btree_cache,
&sysfs_btree_key_cache,
&sysfs_new_stripes,
--
GitLab
From d880a43836d5e2ba951b10471104cdacc2eefbed Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Wed, 3 Apr 2024 19:52:10 -0400
Subject: [PATCH 2157/2686] bcachefs: Further improve btree_update_to_text()
Print start and end level of the btree update; also a bit of cleanup.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_update_interior.c | 100 +++++++++++++---------------
fs/bcachefs/btree_update_interior.h | 3 +-
2 files changed, 48 insertions(+), 55 deletions(-)
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 32397b99752fd..24fbd5be70a20 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -26,9 +26,9 @@
#include <linux/random.h>
-const char * const bch2_btree_update_modes[] = {
+static const char * const bch2_btree_update_modes[] = {
#define x(t) #t,
- BCH_WATERMARKS()
+ BTREE_UPDATE_MODES()
#undef x
NULL
};
@@ -850,15 +850,17 @@ static void btree_update_updated_node(struct btree_update *as, struct btree *b)
{
struct bch_fs *c = as->c;
- mutex_lock(&c->btree_interior_update_lock);
- list_add_tail(&as->unwritten_list, &c->btree_interior_updates_unwritten);
-
BUG_ON(as->mode != BTREE_UPDATE_none);
+ BUG_ON(as->update_level_end < b->c.level);
BUG_ON(!btree_node_dirty(b));
BUG_ON(!b->c.level);
+ mutex_lock(&c->btree_interior_update_lock);
+ list_add_tail(&as->unwritten_list, &c->btree_interior_updates_unwritten);
+
as->mode = BTREE_UPDATE_node;
as->b = b;
+ as->update_level_end = b->c.level;
set_btree_node_write_blocked(b);
list_add(&as->write_blocked_list, &b->write_blocked);
@@ -1100,7 +1102,7 @@ static void bch2_btree_update_done(struct btree_update *as, struct btree_trans *
static struct btree_update *
bch2_btree_update_start(struct btree_trans *trans, struct btree_path *path,
- unsigned level, bool split, unsigned flags)
+ unsigned level_start, bool split, unsigned flags)
{
struct bch_fs *c = trans->c;
struct btree_update *as;
@@ -1108,7 +1110,7 @@ bch2_btree_update_start(struct btree_trans *trans, struct btree_path *path,
int disk_res_flags = (flags & BCH_TRANS_COMMIT_no_enospc)
? BCH_DISK_RESERVATION_NOFAIL : 0;
unsigned nr_nodes[2] = { 0, 0 };
- unsigned update_level = level;
+ unsigned level_end = level_start;
enum bch_watermark watermark = flags & BCH_WATERMARK_MASK;
int ret = 0;
u32 restart_count = trans->restart_count;
@@ -1140,17 +1142,17 @@ bch2_btree_update_start(struct btree_trans *trans, struct btree_path *path,
}
while (1) {
- nr_nodes[!!update_level] += 1 + split;
- update_level++;
+ nr_nodes[!!level_end] += 1 + split;
+ level_end++;
- ret = bch2_btree_path_upgrade(trans, path, update_level + 1);
+ ret = bch2_btree_path_upgrade(trans, path, level_end + 1);
if (ret)
return ERR_PTR(ret);
- if (!btree_path_node(path, update_level)) {
+ if (!btree_path_node(path, level_end)) {
/* Allocating new root? */
nr_nodes[1] += split;
- update_level = BTREE_MAX_DEPTH;
+ level_end = BTREE_MAX_DEPTH;
break;
}
@@ -1158,11 +1160,11 @@ bch2_btree_update_start(struct btree_trans *trans, struct btree_path *path,
* Always check for space for two keys, even if we won't have to
* split at prior level - it might have been a merge instead:
*/
- if (bch2_btree_node_insert_fits(path->l[update_level].b,
+ if (bch2_btree_node_insert_fits(path->l[level_end].b,
BKEY_BTREE_PTR_U64s_MAX * 2))
break;
- split = path->l[update_level].b->nr.live_u64s > BTREE_SPLIT_THRESHOLD(c);
+ split = path->l[level_end].b->nr.live_u64s > BTREE_SPLIT_THRESHOLD(c);
}
if (!down_read_trylock(&c->gc_lock)) {
@@ -1176,14 +1178,15 @@ bch2_btree_update_start(struct btree_trans *trans, struct btree_path *path,
as = mempool_alloc(&c->btree_interior_update_pool, GFP_NOFS);
memset(as, 0, sizeof(*as));
closure_init(&as->cl, NULL);
- as->c = c;
- as->start_time = start_time;
- as->ip_started = _RET_IP_;
- as->mode = BTREE_UPDATE_none;
- as->watermark = watermark;
- as->took_gc_lock = true;
- as->btree_id = path->btree_id;
- as->update_level = update_level;
+ as->c = c;
+ as->start_time = start_time;
+ as->ip_started = _RET_IP_;
+ as->mode = BTREE_UPDATE_none;
+ as->watermark = watermark;
+ as->took_gc_lock = true;
+ as->btree_id = path->btree_id;
+ as->update_level_start = level_start;
+ as->update_level_end = level_end;
INIT_LIST_HEAD(&as->list);
INIT_LIST_HEAD(&as->unwritten_list);
INIT_LIST_HEAD(&as->write_blocked_list);
@@ -1373,12 +1376,12 @@ static void bch2_insert_fixup_btree_ptr(struct btree_update *as,
}
static void
-__bch2_btree_insert_keys_interior(struct btree_update *as,
- struct btree_trans *trans,
- struct btree_path *path,
- struct btree *b,
- struct btree_node_iter node_iter,
- struct keylist *keys)
+bch2_btree_insert_keys_interior(struct btree_update *as,
+ struct btree_trans *trans,
+ struct btree_path *path,
+ struct btree *b,
+ struct btree_node_iter node_iter,
+ struct keylist *keys)
{
struct bkey_i *insert = bch2_keylist_front(keys);
struct bkey_packed *k;
@@ -1534,7 +1537,7 @@ static void btree_split_insert_keys(struct btree_update *as,
bch2_btree_node_iter_init(&node_iter, b, &bch2_keylist_front(keys)->k.p);
- __bch2_btree_insert_keys_interior(as, trans, path, b, node_iter, keys);
+ bch2_btree_insert_keys_interior(as, trans, path, b, node_iter, keys);
BUG_ON(bch2_btree_node_check_topology(trans, b));
}
@@ -1714,27 +1717,6 @@ static int btree_split(struct btree_update *as, struct btree_trans *trans,
goto out;
}
-static void
-bch2_btree_insert_keys_interior(struct btree_update *as,
- struct btree_trans *trans,
- struct btree_path *path,
- struct btree *b,
- struct keylist *keys)
-{
- struct btree_path *linked;
- unsigned i;
-
- __bch2_btree_insert_keys_interior(as, trans, path, b,
- path->l[b->c.level].iter, keys);
-
- btree_update_updated_node(as, b);
-
- trans_for_each_path_with_node(trans, b, linked, i)
- bch2_btree_node_iter_peek(&linked->l[b->c.level].iter, b);
-
- bch2_trans_verify_paths(trans);
-}
-
/**
* bch2_btree_insert_node - insert bkeys into a given btree node
*
@@ -1755,7 +1737,8 @@ static int bch2_btree_insert_node(struct btree_update *as, struct btree_trans *t
struct keylist *keys)
{
struct bch_fs *c = as->c;
- struct btree_path *path = trans->paths + path_idx;
+ struct btree_path *path = trans->paths + path_idx, *linked;
+ unsigned i;
int old_u64s = le16_to_cpu(btree_bset_last(b)->u64s);
int old_live_u64s = b->nr.live_u64s;
int live_u64s_added, u64s_added;
@@ -1784,7 +1767,13 @@ static int bch2_btree_insert_node(struct btree_update *as, struct btree_trans *t
return ret;
}
- bch2_btree_insert_keys_interior(as, trans, path, b, keys);
+ bch2_btree_insert_keys_interior(as, trans, path, b,
+ path->l[b->c.level].iter, keys);
+
+ trans_for_each_path_with_node(trans, b, linked, i)
+ bch2_btree_node_iter_peek(&linked->l[b->c.level].iter, b);
+
+ bch2_trans_verify_paths(trans);
live_u64s_added = (int) b->nr.live_u64s - old_live_u64s;
u64s_added = (int) le16_to_cpu(btree_bset_last(b)->u64s) - old_u64s;
@@ -1798,6 +1787,7 @@ static int bch2_btree_insert_node(struct btree_update *as, struct btree_trans *t
bch2_maybe_compact_whiteouts(c, b))
bch2_trans_node_reinit_iter(trans, b);
+ btree_update_updated_node(as, b);
bch2_btree_node_unlock_write(trans, path, b);
BUG_ON(bch2_btree_node_check_topology(trans, b));
@@ -1807,7 +1797,7 @@ static int bch2_btree_insert_node(struct btree_update *as, struct btree_trans *t
* We could attempt to avoid the transaction restart, by calling
* bch2_btree_path_upgrade() and allocating more nodes:
*/
- if (b->c.level >= as->update_level) {
+ if (b->c.level >= as->update_level_end) {
trace_and_count(c, trans_restart_split_race, trans, _THIS_IP_, b);
return btree_trans_restart(trans, BCH_ERR_transaction_restart_split_race);
}
@@ -2519,9 +2509,11 @@ void bch2_btree_root_alloc_fake(struct bch_fs *c, enum btree_id id, unsigned lev
static void bch2_btree_update_to_text(struct printbuf *out, struct btree_update *as)
{
- prt_printf(out, "%ps: btree=%s watermark=%s mode=%s nodes_written=%u cl.remaining=%u journal_seq=%llu\n",
+ prt_printf(out, "%ps: btree=%s l=%u-%u watermark=%s mode=%s nodes_written=%u cl.remaining=%u journal_seq=%llu\n",
(void *) as->ip_started,
bch2_btree_id_str(as->btree_id),
+ as->update_level_start,
+ as->update_level_end,
bch2_watermarks[as->watermark],
bch2_btree_update_modes[as->mode],
as->nodes_written,
diff --git a/fs/bcachefs/btree_update_interior.h b/fs/bcachefs/btree_update_interior.h
index 88dcf5a22a3bd..c1a479ebaad12 100644
--- a/fs/bcachefs/btree_update_interior.h
+++ b/fs/bcachefs/btree_update_interior.h
@@ -57,7 +57,8 @@ struct btree_update {
unsigned took_gc_lock:1;
enum btree_id btree_id;
- unsigned update_level;
+ unsigned update_level_start;
+ unsigned update_level_end;
struct disk_reservation disk_res;
--
GitLab
From 9802ff48f3fd8ae5d6699c5a32afc76769920c98 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 20 Feb 2024 21:08:24 -0500
Subject: [PATCH 2158/2686] bcachefs: Print shutdown journal sequence number
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/super.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c
index ed63018f21bef..8daf80a38d60c 100644
--- a/fs/bcachefs/super.c
+++ b/fs/bcachefs/super.c
@@ -288,8 +288,13 @@ static void __bch2_fs_read_only(struct bch_fs *c)
if (test_bit(JOURNAL_REPLAY_DONE, &c->journal.flags) &&
!test_bit(BCH_FS_emergency_ro, &c->flags))
set_bit(BCH_FS_clean_shutdown, &c->flags);
+
bch2_fs_journal_stop(&c->journal);
+ bch_info(c, "%sshutdown complete, journal seq %llu",
+ test_bit(BCH_FS_clean_shutdown, &c->flags) ? "" : "un",
+ c->journal.seq_ondisk);
+
/*
* After stopping journal:
*/
--
GitLab
From d4e655c49f474deffaf5ed7e65034b8167ee39c8 Mon Sep 17 00:00:00 2001
From: Alexander Wetzel <Alexander@wetzel-home.de>
Date: Mon, 1 Apr 2024 21:10:38 +0200
Subject: [PATCH 2159/2686] scsi: sg: Avoid race in error handling & drop bogus
warn
Commit 27f58c04a8f4 ("scsi: sg: Avoid sg device teardown race") introduced
an incorrect WARN_ON_ONCE() and missed a sequence where sg_device_destroy()
was used after scsi_device_put().
sg_device_destroy() is accessing the parent scsi_device request_queue which
will already be set to NULL when the preceding call to scsi_device_put()
removed the last reference to the parent scsi_device.
Drop the incorrect WARN_ON_ONCE() - allowing more than one concurrent
access to the sg device - and make sure sg_device_destroy() is not used
after scsi_device_put() in the error handling.
Link: https://lore.kernel.org/all/5375B275-D137-4D5F-BE25-6AF8ACAE41EF@linux.ibm.com
Fixes: 27f58c04a8f4 ("scsi: sg: Avoid sg device teardown race")
Cc: stable@vger.kernel.org
Signed-off-by: Alexander Wetzel <Alexander@wetzel-home.de>
Link: https://lore.kernel.org/r/20240401191038.18359-1-Alexander@wetzel-home.de
Tested-by: Sachin Sant <sachinp@linux.ibm.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/sg.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 386981c6976a5..baf870a03ecf6 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -285,6 +285,7 @@ sg_open(struct inode *inode, struct file *filp)
int dev = iminor(inode);
int flags = filp->f_flags;
struct request_queue *q;
+ struct scsi_device *device;
Sg_device *sdp;
Sg_fd *sfp;
int retval;
@@ -301,11 +302,12 @@ sg_open(struct inode *inode, struct file *filp)
/* This driver's module count bumped by fops_get in <linux/fs.h> */
/* Prevent the device driver from vanishing while we sleep */
- retval = scsi_device_get(sdp->device);
+ device = sdp->device;
+ retval = scsi_device_get(device);
if (retval)
goto sg_put;
- retval = scsi_autopm_get_device(sdp->device);
+ retval = scsi_autopm_get_device(device);
if (retval)
goto sdp_put;
@@ -313,7 +315,7 @@ sg_open(struct inode *inode, struct file *filp)
* check if O_NONBLOCK. Permits SCSI commands to be issued
* during error recovery. Tread carefully. */
if (!((flags & O_NONBLOCK) ||
- scsi_block_when_processing_errors(sdp->device))) {
+ scsi_block_when_processing_errors(device))) {
retval = -ENXIO;
/* we are in error recovery for this device */
goto error_out;
@@ -344,7 +346,7 @@ sg_open(struct inode *inode, struct file *filp)
if (sdp->open_cnt < 1) { /* no existing opens */
sdp->sgdebug = 0;
- q = sdp->device->request_queue;
+ q = device->request_queue;
sdp->sg_tablesize = queue_max_segments(q);
}
sfp = sg_add_sfp(sdp);
@@ -370,10 +372,11 @@ sg_open(struct inode *inode, struct file *filp)
error_mutex_locked:
mutex_unlock(&sdp->open_rel_lock);
error_out:
- scsi_autopm_put_device(sdp->device);
+ scsi_autopm_put_device(device);
sdp_put:
- scsi_device_put(sdp->device);
- goto sg_put;
+ kref_put(&sdp->d_ref, sg_device_destroy);
+ scsi_device_put(device);
+ return retval;
}
/* Release resources associated with a successful sg_open()
@@ -2233,7 +2236,6 @@ sg_remove_sfp_usercontext(struct work_struct *work)
"sg_remove_sfp: sfp=0x%p\n", sfp));
kfree(sfp);
- WARN_ON_ONCE(kref_read(&sdp->d_ref) != 1);
kref_put(&sdp->d_ref, sg_device_destroy);
scsi_device_put(device);
module_put(THIS_MODULE);
--
GitLab
From 8cb4a9a82b21623dbb4b3051dd30d98356cf95bc Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Thu, 4 Apr 2024 17:16:14 -0700
Subject: [PATCH 2160/2686] x86/cpufeatures: Add CPUID_LNX_5 to track recently
added Linux-defined word
Add CPUID_LNX_5 to track cpufeatures' word 21, and add the appropriate
compile-time assert in KVM to prevent direct lookups on the features in
CPUID_LNX_5. KVM uses X86_FEATURE_* flags to manage guest CPUID, and so
must translate features that are scattered by Linux from the Linux-defined
bit to the hardware-defined bit, i.e. should never try to directly access
scattered features in guest CPUID.
Opportunistically add NR_CPUID_WORDS to enum cpuid_leafs, along with a
compile-time assert in KVM's CPUID infrastructure to ensure that future
additions update cpuid_leafs along with NCAPINTS.
No functional change intended.
Fixes: 7f274e609f3d ("x86/cpufeatures: Add new word for scattered features")
Cc: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/x86/include/asm/cpufeature.h | 2 ++
arch/x86/kvm/reverse_cpuid.h | 2 ++
2 files changed, 4 insertions(+)
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 42157ddcc09d4..686e92d2663ee 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -33,6 +33,8 @@ enum cpuid_leafs
CPUID_7_EDX,
CPUID_8000_001F_EAX,
CPUID_8000_0021_EAX,
+ CPUID_LNX_5,
+ NR_CPUID_WORDS,
};
#define X86_CAP_FMT_NUM "%d:%d"
diff --git a/arch/x86/kvm/reverse_cpuid.h b/arch/x86/kvm/reverse_cpuid.h
index aadefcaa9561d..58ac8d69c94bd 100644
--- a/arch/x86/kvm/reverse_cpuid.h
+++ b/arch/x86/kvm/reverse_cpuid.h
@@ -102,10 +102,12 @@ static const struct cpuid_reg reverse_cpuid[] = {
*/
static __always_inline void reverse_cpuid_check(unsigned int x86_leaf)
{
+ BUILD_BUG_ON(NR_CPUID_WORDS != NCAPINTS);
BUILD_BUG_ON(x86_leaf == CPUID_LNX_1);
BUILD_BUG_ON(x86_leaf == CPUID_LNX_2);
BUILD_BUG_ON(x86_leaf == CPUID_LNX_3);
BUILD_BUG_ON(x86_leaf == CPUID_LNX_4);
+ BUILD_BUG_ON(x86_leaf == CPUID_LNX_5);
BUILD_BUG_ON(x86_leaf >= ARRAY_SIZE(reverse_cpuid));
BUILD_BUG_ON(reverse_cpuid[x86_leaf].function == 0);
}
--
GitLab
From d464dac47260a33add5a206fd3289ec1216e8435 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Fri, 5 Apr 2024 07:58:10 +0200
Subject: [PATCH 2161/2686] usb: gadget: fsl: Initialize udc before using it
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
fsl_ep_queue() is only called by usb_ep_queue() (as ep->ops->queue()).
So _ep isn't NULL.
As ep->ops->queue = fsl_ep_queue, the ep was initialized by
struct_ep_setup() and so ep->udc isn't NULL either.
Drop the check for _ep being NULL and assign udc earlier to prevent
following an uninitialized pointer in the two dev_vdbg()s in lines 878
and 882. This fixes a compiler warning when using clang and
CONFIG_USB_GADGET_VERBOSE=y.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202404050227.TTvcCPBu-lkp@intel.com/
Fixes: 6025f20f16c2 ("usb: gadget: fsl-udc: Replace custom log wrappers by dev_{err,warn,dbg,vdbg}")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240405055812.694123-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/udc/fsl_udc_core.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c
index e82d03224f940..3432ebfae9787 100644
--- a/drivers/usb/gadget/udc/fsl_udc_core.c
+++ b/drivers/usb/gadget/udc/fsl_udc_core.c
@@ -868,7 +868,7 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
{
struct fsl_ep *ep = container_of(_ep, struct fsl_ep, ep);
struct fsl_req *req = container_of(_req, struct fsl_req, req);
- struct fsl_udc *udc;
+ struct fsl_udc *udc = ep->udc;
unsigned long flags;
int ret;
@@ -878,7 +878,7 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
dev_vdbg(&udc->gadget.dev, "%s, bad params\n", __func__);
return -EINVAL;
}
- if (unlikely(!_ep || !ep->ep.desc)) {
+ if (unlikely(!ep->ep.desc)) {
dev_vdbg(&udc->gadget.dev, "%s, bad ep\n", __func__);
return -EINVAL;
}
@@ -887,7 +887,6 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
return -EMSGSIZE;
}
- udc = ep->udc;
if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN)
return -ESHUTDOWN;
--
GitLab
From 5957e0a28b5177849f7666d041b32f5dc7d27427 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 5 Apr 2024 02:43:08 -0400
Subject: [PATCH 2162/2686] bcachefs: Fix rebalance from durability=0 device
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/data_update.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/fs/bcachefs/data_update.c b/fs/bcachefs/data_update.c
index 34731ee0217f6..0022b51ce3c09 100644
--- a/fs/bcachefs/data_update.c
+++ b/fs/bcachefs/data_update.c
@@ -598,6 +598,8 @@ int bch2_data_update_init(struct btree_trans *trans,
i++;
}
+ unsigned durability_required = max(0, (int) (io_opts.data_replicas - durability_have));
+
/*
* If current extent durability is less than io_opts.data_replicas,
* we're not trying to rereplicate the extent up to data_replicas here -
@@ -607,7 +609,7 @@ int bch2_data_update_init(struct btree_trans *trans,
* rereplicate, currently, so that users don't get an unexpected -ENOSPC
*/
if (!(m->data_opts.write_flags & BCH_WRITE_CACHED) &&
- durability_have >= io_opts.data_replicas) {
+ !durability_required) {
m->data_opts.kill_ptrs |= m->data_opts.rewrite_ptrs;
m->data_opts.rewrite_ptrs = 0;
/* if iter == NULL, it's just a promote */
@@ -616,11 +618,18 @@ int bch2_data_update_init(struct btree_trans *trans,
goto done;
}
- m->op.nr_replicas = min(durability_removing, io_opts.data_replicas - durability_have) +
+ m->op.nr_replicas = min(durability_removing, durability_required) +
m->data_opts.extra_replicas;
- m->op.nr_replicas_required = m->op.nr_replicas;
- BUG_ON(!m->op.nr_replicas);
+ /*
+ * If device(s) were set to durability=0 after data was written to them
+ * we can end up with a duribilty=0 extent, and the normal algorithm
+ * that tries not to increase durability doesn't work:
+ */
+ if (!(durability_have + durability_removing))
+ m->op.nr_replicas = max((unsigned) m->op.nr_replicas, 1);
+
+ m->op.nr_replicas_required = m->op.nr_replicas;
if (reserve_sectors) {
ret = bch2_disk_reservation_add(c, &m->op.res, reserve_sectors,
--
GitLab
From bc004f5038220b1891ef4107134ccae44be55109 Mon Sep 17 00:00:00 2001
From: Jammy Huang <jammy_huang@aspeedtech.com>
Date: Wed, 3 Apr 2024 17:02:46 +0800
Subject: [PATCH 2163/2686] drm/ast: Fix soft lockup
There is a while-loop in ast_dp_set_on_off() that could lead to
infinite-loop. This is because the register, VGACRI-Dx, checked in
this API is a scratch register actually controlled by a MCU, named
DPMCU, in BMC.
These scratch registers are protected by scu-lock. If suc-lock is not
off, DPMCU can not update these registers and then host will have soft
lockup due to never updated status.
DPMCU is used to control DP and relative registers to handshake with
host's VGA driver. Even the most time-consuming task, DP's link
training, is less than 100ms. 200ms should be enough.
Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com>
Fixes: 594e9c04b586 ("drm/ast: Create the driver for ASPEED proprietory Display-Port")
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: KuoHsiang Chou <kuohsiang_chou@aspeedtech.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Jocelyn Falempe <jfalempe@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.19+
Link: https://patchwork.freedesktop.org/patch/msgid/20240403090246.1495487-1-jammy_huang@aspeedtech.com
---
drivers/gpu/drm/ast/ast_dp.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/ast/ast_dp.c b/drivers/gpu/drm/ast/ast_dp.c
index ebb6d8ebd44eb..1e9259416980e 100644
--- a/drivers/gpu/drm/ast/ast_dp.c
+++ b/drivers/gpu/drm/ast/ast_dp.c
@@ -180,6 +180,7 @@ void ast_dp_set_on_off(struct drm_device *dev, bool on)
{
struct ast_device *ast = to_ast_device(dev);
u8 video_on_off = on;
+ u32 i = 0;
// Video On/Off
ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xE3, (u8) ~AST_DP_VIDEO_ENABLE, on);
@@ -192,6 +193,8 @@ void ast_dp_set_on_off(struct drm_device *dev, bool on)
ASTDP_MIRROR_VIDEO_ENABLE) != video_on_off) {
// wait 1 ms
mdelay(1);
+ if (++i > 200)
+ break;
}
}
}
--
GitLab
From 61f7fdf8fd00ce33d30ca3fae8d643c0850ce945 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <frederic@kernel.org>
Date: Mon, 1 Apr 2024 23:48:59 +0200
Subject: [PATCH 2164/2686] timers/migration: Fix ignored event due to missing
CPU update
When a group event is updated with its expiry unchanged but a different
CPU, that target change may go unnoticed and the event may be propagated
up with a stale CPU value. The following depicts a scenario that has
been actually observed:
[GRP2:0]
migrator = GRP1:1
active = GRP1:1
nextevt = TGRP1:0 (T0)
/ \
[GRP1:0] [GRP1:1]
migrator = NONE [...]
active = NONE
nextevt = TGRP0:0 (T0)
/ \
[GRP0:0] [...]
migrator = NONE
active = NONE
nextevt = T0
/ \
0 (T0) 1 (T1)
idle idle
0) The hierarchy has 3 levels. The left part (GRP1:0) is all idle,
including CPU 0 and CPU 1 which have a timer each: T0 and T1. They have
the same expiry value.
[GRP2:0]
migrator = GRP1:1
active = GRP1:1
nextevt = KTIME_MAX
/ \
[GRP1:0] [GRP1:1]
migrator = NONE [...]
active = NONE
nextevt = TGRP0:0 (T0)
/ \
[GRP0:0] [...]
migrator = NONE
active = NONE
nextevt = T0
/ \
0 (T0) 1 (T1)
idle idle
1) The migrator in GRP1:1 handles remotely T0. The event is dequeued
from the top and T0 executed.
[GRP2:0]
migrator = GRP1:1
active = GRP1:1
nextevt = KTIME_MAX
/ \
[GRP1:0] [GRP1:1]
migrator = NONE [...]
active = NONE
nextevt = TGRP0:0 (T0)
/ \
[GRP0:0] [...]
migrator = NONE
active = NONE
nextevt = T1
/ \
0 1 (T1)
idle idle
2) The migrator in GRP1:1 fetches the next timer for CPU 0 and finds
none. But it updates the events from its groups, starting with GRP0:0
which now has T1 as its next event. So far so good.
[GRP2:0]
migrator = GRP1:1
active = GRP1:1
nextevt = KTIME_MAX
/ \
[GRP1:0] [GRP1:1]
migrator = NONE [...]
active = NONE
nextevt = TGRP0:0 (T0)
/ \
[GRP0:0] [...]
migrator = NONE
active = NONE
nextevt = T1
/ \
0 1 (T1)
idle idle
3) The migrator in GRP1:1 proceeds upward and updates the events in
GRP1:0. The child event TGRP0:0 is found queued with the same expiry
as before. And therefore it is left unchanged. However the target CPU
is not the same but that fact is ignored so TGRP0:0 still points to
CPU 0 when it should point to CPU 1.
[GRP2:0]
migrator = GRP1:1
active = GRP1:1
nextevt = TGRP1:0 (T0)
/ \
[GRP1:0] [GRP1:1]
migrator = NONE [...]
active = NONE
nextevt = TGRP0:0 (T0)
/ \
[GRP0:0] [...]
migrator = NONE
active = NONE
nextevt = T1
/ \
0 1 (T1)
idle idle
4) The propagation has reached the top level and TGRP1:0, having TGRP0:0
as its first event, also wrongly points to CPU 0. TGRP1:0 is added to
the top level group.
[GRP2:0]
migrator = GRP1:1
active = GRP1:1
nextevt = KTIME_MAX
/ \
[GRP1:0] [GRP1:1]
migrator = NONE [...]
active = NONE
nextevt = TGRP0:0 (T0)
/ \
[GRP0:0] [...]
migrator = NONE
active = NONE
nextevt = T1
/ \
0 1 (T1)
idle idle
5) The migrator in GRP1:1 dequeues the next event in top level pointing
to CPU 0. But since it actually doesn't see any real event in CPU 0, it
early returns.
6) T1 is left unhandled until either CPU 0 or CPU 1 wake up.
Some other bad scenario may involve trees with just two levels.
Fix this with unconditionally updating the CPU of the child event before
considering to early return while updating a queued event with an
unchanged expiry value.
Fixes: 7ee988770326 ("timers: Implement the hierarchical pull model")
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Link: https://lore.kernel.org/r/Zg2Ct6M2RJAYHgCB@localhost.localdomain
---
kernel/time/timer_migration.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/kernel/time/timer_migration.c b/kernel/time/timer_migration.c
index c63a0afdcebed..e3075e40cb432 100644
--- a/kernel/time/timer_migration.c
+++ b/kernel/time/timer_migration.c
@@ -762,8 +762,11 @@ bool tmigr_update_events(struct tmigr_group *group, struct tmigr_group *child,
* queue when the expiry time changed only or when it could be ignored.
*/
if (timerqueue_node_queued(&evt->nextevt)) {
- if ((evt->nextevt.expires == nextexp) && !evt->ignore)
+ if ((evt->nextevt.expires == nextexp) && !evt->ignore) {
+ /* Make sure not to miss a new CPU event with the same expiry */
+ evt->cpu = first_childevt->cpu;
goto check_toplvl;
+ }
if (!timerqueue_del(&group->events, &evt->nextevt))
WRITE_ONCE(group->next_expiry, KTIME_MAX);
--
GitLab
From 7a96a84bfbee96871bb16c70ee3e93d564e190f4 Mon Sep 17 00:00:00 2001
From: Anna-Maria Behnsen <anna-maria@linutronix.de>
Date: Fri, 5 Apr 2024 10:53:21 +0200
Subject: [PATCH 2165/2686] timers/migration: Return early on deactivation
Commit 4b6f4c5a67c0 ("timer/migration: Remove buggy early return on
deactivation") removed the logic to return early in tmigr_update_events()
on deactivation. With this the problem with a not properly updated first
global event in a hierarchy containing only a single group was fixed.
But when having a look at this code path with a hierarchy with more than a
single level, now unnecessary work is done (example is partially copied
from the message of the commit mentioned above):
[GRP1:0]
migrator = GRP0:0
active = GRP0:0
nextevt = T0:0i, T0:1
/ \
[GRP0:0] [GRP0:1]
migrator = 0 migrator = NONE
active = 0 active = NONE
nextevt = T0i, T1 nextevt = T2
/ \ / \
0 (T0i) 1 (T1) 2 (T2) 3
active idle idle idle
0) CPU 0 is active thus its event is ignored (the letter 'i') and so are
upper levels' events. CPU 1 is idle and has the timer T1 enqueued.
CPU 2 also has a timer. The expiry order is T0 (ignored) < T1 < T2
[GRP1:0]
migrator = GRP0:0
active = GRP0:0
nextevt = T0:0i, T0:1
/ \
[GRP0:0] [GRP0:1]
migrator = NONE migrator = NONE
active = NONE active = NONE
nextevt = T1 nextevt = T2
/ \ / \
0 (T0i) 1 (T1) 2 (T2) 3
idle idle idle idle
1) CPU 0 goes idle without global event queued. Therefore KTIME_MAX is
pushed as its next expiry and its own event kept as "ignore". Without this
early return the following steps happen in tmigr_update_events() when
child = null and group = GRP0:0 :
lock(GRP0:0->lock);
timerqueue_del(GRP0:0, T0i);
unlock(GRP0:0->lock);
[GRP1:0]
migrator = NONE
active = NONE
nextevt = T0:0, T0:1
/ \
[GRP0:0] [GRP0:1]
migrator = NONE migrator = NONE
active = NONE active = NONE
nextevt = T1 nextevt = T2
/ \ / \
0 (T0i) 1 (T1) 2 (T2) 3
idle idle idle idle
2) The change now propagates up to the top. Then tmigr_update_events()
updates the group event of GRP0:0 and executes the following steps
(child = GRP0:0 and group = GRP0:0):
lock(GRP0:0->lock);
lock(GRP1:0->lock);
evt = tmigr_next_groupevt(GRP0:0); -> this removes the ignored events
in GRP0:0
... update GRP1:0 group event and timerqueue ...
unlock(GRP1:0->lock);
unlock(GRP0:0->lock);
So the dance in 1) with locking the GRP0:0->lock and removing the T0i from
the timerqueue is redundand as this is done nevertheless in 2) when
tmigr_next_groupevt(GRP0:0) is executed.
Revert commit 4b6f4c5a67c0 ("timer/migration: Remove buggy early return on
deactivation") and add a condition into return path to skip the return
only, when hierarchy contains a single group. Adapt comments accordingly.
Fixes: 4b6f4c5a67c0 ("timer/migration: Remove buggy early return on deactivation")
Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/r/87cyr49on2.fsf@somnus
---
kernel/time/timer_migration.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/kernel/time/timer_migration.c b/kernel/time/timer_migration.c
index e3075e40cb432..ccba875d2234f 100644
--- a/kernel/time/timer_migration.c
+++ b/kernel/time/timer_migration.c
@@ -751,6 +751,33 @@ bool tmigr_update_events(struct tmigr_group *group, struct tmigr_group *child,
first_childevt = evt = data->evt;
+ /*
+ * Walking the hierarchy is required in any case when a
+ * remote expiry was done before. This ensures to not lose
+ * already queued events in non active groups (see section
+ * "Required event and timerqueue update after a remote
+ * expiry" in the documentation at the top).
+ *
+ * The two call sites which are executed without a remote expiry
+ * before, are not prevented from propagating changes through
+ * the hierarchy by the return:
+ * - When entering this path by tmigr_new_timer(), @evt->ignore
+ * is never set.
+ * - tmigr_inactive_up() takes care of the propagation by
+ * itself and ignores the return value. But an immediate
+ * return is possible if there is a parent, sparing group
+ * locking at this level, because the upper walking call to
+ * the parent will take care about removing this event from
+ * within the group and update next_expiry accordingly.
+ *
+ * However if there is no parent, ie: the hierarchy has only a
+ * single level so @group is the top level group, make sure the
+ * first event information of the group is updated properly and
+ * also handled properly, so skip this fast return path.
+ */
+ if (evt->ignore && !remote && group->parent)
+ return true;
+
raw_spin_lock(&group->lock);
childstate.state = 0;
--
GitLab
From caeb4b0a11b3393e43f7fa8e0a5a18462acc66bd Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sun, 31 Mar 2024 17:52:12 -0400
Subject: [PATCH 2166/2686] aio: Fix null ptr deref in aio_complete() wakeup
list_del_init_careful() needs to be the last access to the wait queue
entry - it effectively unlocks access.
Previously, finish_wait() would see the empty list head and skip taking
the lock, and then we'd return - but the completion path would still
attempt to do the wakeup after the task_struct pointer had been
overwritten.
Fixes: 71eb6b6b0ba9 ("fs/aio: obey min_nr when doing wakeups")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/linux-fsdevel/CAHTA-ubfwwB51A5Wg5M6H_rPEQK9pNf8FkAGH=vr=FEkyRrtqw@mail.gmail.com/
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Link: https://lore.kernel.org/stable/20240331215212.522544-1-kent.overstreet%40linux.dev
Link: https://lore.kernel.org/r/20240331215212.522544-1-kent.overstreet@linux.dev
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
fs/aio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/aio.c b/fs/aio.c
index 9cdaa2faa5363..0f4f531c97800 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1202,8 +1202,8 @@ static void aio_complete(struct aio_kiocb *iocb)
spin_lock_irqsave(&ctx->wait.lock, flags);
list_for_each_entry_safe(curr, next, &ctx->wait.head, w.entry)
if (avail >= curr->min_nr) {
- list_del_init_careful(&curr->w.entry);
wake_up_process(curr->w.private);
+ list_del_init_careful(&curr->w.entry);
}
spin_unlock_irqrestore(&ctx->wait.lock, flags);
}
--
GitLab
From 07ed11afb68d94eadd4ffc082b97c2331307c5ea Mon Sep 17 00:00:00 2001
From: Alex Constantino <dreaming.about.electric.sheep@gmail.com>
Date: Thu, 4 Apr 2024 19:14:48 +0100
Subject: [PATCH 2167/2686] Revert "drm/qxl: simplify qxl_fence_wait"
This reverts commit 5a838e5d5825c85556011478abde708251cc0776.
Changes from commit 5a838e5d5825 ("drm/qxl: simplify qxl_fence_wait") would
result in a '[TTM] Buffer eviction failed' exception whenever it reached a
timeout.
Due to a dependency to DMA_FENCE_WARN this also restores some code deleted
by commit d72277b6c37d ("dma-buf: nuke DMA_FENCE_TRACE macros v2").
Fixes: 5a838e5d5825 ("drm/qxl: simplify qxl_fence_wait")
Link: https://lore.kernel.org/regressions/ZTgydqRlK6WX_b29@eldamar.lan/
Reported-by: Timo Lindfors <timo.lindfors@iki.fi>
Closes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054514
Signed-off-by: Alex Constantino <dreaming.about.electric.sheep@gmail.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404181448.1643-2-dreaming.about.electric.sheep@gmail.com
---
drivers/gpu/drm/qxl/qxl_release.c | 50 +++++++++++++++++++++++++++----
include/linux/dma-fence.h | 7 +++++
2 files changed, 52 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c
index 368d26da0d6a2..9febc8b73f09e 100644
--- a/drivers/gpu/drm/qxl/qxl_release.c
+++ b/drivers/gpu/drm/qxl/qxl_release.c
@@ -58,16 +58,56 @@ static long qxl_fence_wait(struct dma_fence *fence, bool intr,
signed long timeout)
{
struct qxl_device *qdev;
+ struct qxl_release *release;
+ int count = 0, sc = 0;
+ bool have_drawable_releases;
unsigned long cur, end = jiffies + timeout;
qdev = container_of(fence->lock, struct qxl_device, release_lock);
+ release = container_of(fence, struct qxl_release, base);
+ have_drawable_releases = release->type == QXL_RELEASE_DRAWABLE;
- if (!wait_event_timeout(qdev->release_event,
- (dma_fence_is_signaled(fence) ||
- (qxl_io_notify_oom(qdev), 0)),
- timeout))
- return 0;
+retry:
+ sc++;
+
+ if (dma_fence_is_signaled(fence))
+ goto signaled;
+
+ qxl_io_notify_oom(qdev);
+
+ for (count = 0; count < 11; count++) {
+ if (!qxl_queue_garbage_collect(qdev, true))
+ break;
+
+ if (dma_fence_is_signaled(fence))
+ goto signaled;
+ }
+
+ if (dma_fence_is_signaled(fence))
+ goto signaled;
+
+ if (have_drawable_releases || sc < 4) {
+ if (sc > 2)
+ /* back off */
+ usleep_range(500, 1000);
+
+ if (time_after(jiffies, end))
+ return 0;
+
+ if (have_drawable_releases && sc > 300) {
+ DMA_FENCE_WARN(fence,
+ "failed to wait on release %llu after spincount %d\n",
+ fence->context & ~0xf0000000, sc);
+ goto signaled;
+ }
+ goto retry;
+ }
+ /*
+ * yeah, original sync_obj_wait gave up after 3 spins when
+ * have_drawable_releases is not set.
+ */
+signaled:
cur = jiffies;
if (time_after(cur, end))
return 0;
diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index e06bad467f55e..c3f9bb6602ba2 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -682,4 +682,11 @@ static inline bool dma_fence_is_container(struct dma_fence *fence)
return dma_fence_is_array(fence) || dma_fence_is_chain(fence);
}
+#define DMA_FENCE_WARN(f, fmt, args...) \
+ do { \
+ struct dma_fence *__ff = (f); \
+ pr_warn("f %llu#%llu: " fmt, __ff->context, __ff->seqno,\
+ ##args); \
+ } while (0)
+
#endif /* __LINUX_DMA_FENCE_H */
--
GitLab
From 24cfd86433c920188ac3f02df8aba6bc4c792f4b Mon Sep 17 00:00:00 2001
From: Damien Le Moal <dlemoal@kernel.org>
Date: Thu, 4 Apr 2024 18:30:14 +0900
Subject: [PATCH 2168/2686] ata: ahci: Add mask_port_map module parameter
Commits 0077a504e1a4 ("ahci: asm1166: correct count of reported ports")
and 9815e3961754 ("ahci: asm1064: correct count of reported ports")
attempted to limit the ports of the ASM1166 and ASM1064 AHCI controllers
to avoid long boot times caused by the fact that these adapters report
a port map larger than the number of physical ports. The excess ports
are "virtual" to hide port multiplier devices and probing these ports
takes time. However, these commits caused a regression for users that do
use PMP devices, as the ATA devices connected to the PMP cannot be
scanned. These commits have thus been reverted by commit 6cd8adc3e18
("ahci: asm1064: asm1166: don't limit reported ports") to allow the
discovery of devices connected through a port multiplier. But this
revert re-introduced the long boot times for users that do not use a
port multiplier setup.
This patch adds the mask_port_map ahci module parameter to allow users
to manually specify port map masks for controllers. In the case of the
ASMedia 1166 and 1064 controllers, users that do not have port
multiplier devices can mask the excess virtual ports exposed by the
controller to speedup port scanning, thus reducing boot time.
The mask_port_map parameter accepts 2 different formats:
- mask_port_map=<mask>
This applies the same mask to all AHCI controllers
present in the system. This format is convenient for small systems
that have only a single AHCI controller.
- mask_port_map=<pci_dev>=<mask>,<pci_dev>=mask,...
This applies the specified masks only to the PCI device listed. The
<pci_dev> field is a regular PCI device ID (domain:bus:dev.func).
This ID can be seen following "ahci" in the kernel messages. E.g.
for "ahci 0000:01:00.0: 2/2 ports implemented (port mask 0x3)", the
<pci_dev> field is "0000:01:00.0".
When used, the function ahci_save_initial_config() indicates that a
port map mask was applied with the message "masking port_map ...".
E.g.: without a mask:
modprobe ahci
dmesg | grep ahci
...
ahci 0000:00:17.0: AHCI vers 0001.0301, 32 command slots, 6 Gbps, SATA mode
ahci 0000:00:17.0: (0000:00:17.0) 8/8 ports implemented (port mask 0xff)
With a mask:
modprobe ahci mask_port_map=0000:00:17.0=0x1
dmesg | grep ahci
...
ahci 0000:00:17.0: masking port_map 0xff -> 0x1
ahci 0000:00:17.0: AHCI vers 0001.0301, 32 command slots, 6 Gbps, SATA mode
ahci 0000:00:17.0: (0000:00:17.0) 1/8 ports implemented (port mask 0x1)
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
---
drivers/ata/ahci.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 85 insertions(+)
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 562302e2e57ce..6548f10e61d9c 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -666,6 +666,87 @@ static int mobile_lpm_policy = -1;
module_param(mobile_lpm_policy, int, 0644);
MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets");
+static char *ahci_mask_port_map;
+module_param_named(mask_port_map, ahci_mask_port_map, charp, 0444);
+MODULE_PARM_DESC(mask_port_map,
+ "32-bits port map masks to ignore controllers ports. "
+ "Valid values are: "
+ "\"<mask>\" to apply the same mask to all AHCI controller "
+ "devices, and \"<pci_dev>=<mask>,<pci_dev>=<mask>,...\" to "
+ "specify different masks for the controllers specified, "
+ "where <pci_dev> is the PCI ID of an AHCI controller in the "
+ "form \"domain:bus:dev.func\"");
+
+static void ahci_apply_port_map_mask(struct device *dev,
+ struct ahci_host_priv *hpriv, char *mask_s)
+{
+ unsigned int mask;
+
+ if (kstrtouint(mask_s, 0, &mask)) {
+ dev_err(dev, "Invalid port map mask\n");
+ return;
+ }
+
+ hpriv->mask_port_map = mask;
+}
+
+static void ahci_get_port_map_mask(struct device *dev,
+ struct ahci_host_priv *hpriv)
+{
+ char *param, *end, *str, *mask_s;
+ char *name;
+
+ if (!strlen(ahci_mask_port_map))
+ return;
+
+ str = kstrdup(ahci_mask_port_map, GFP_KERNEL);
+ if (!str)
+ return;
+
+ /* Handle single mask case */
+ if (!strchr(str, '=')) {
+ ahci_apply_port_map_mask(dev, hpriv, str);
+ goto free;
+ }
+
+ /*
+ * Mask list case: parse the parameter to apply the mask only if
+ * the device name matches.
+ */
+ param = str;
+ end = param + strlen(param);
+ while (param && param < end && *param) {
+ name = param;
+ param = strchr(name, '=');
+ if (!param)
+ break;
+
+ *param = '\0';
+ param++;
+ if (param >= end)
+ break;
+
+ if (strcmp(dev_name(dev), name) != 0) {
+ param = strchr(param, ',');
+ if (param)
+ param++;
+ continue;
+ }
+
+ mask_s = param;
+ param = strchr(mask_s, ',');
+ if (param) {
+ *param = '\0';
+ param++;
+ }
+
+ ahci_apply_port_map_mask(dev, hpriv, mask_s);
+ }
+
+free:
+ kfree(str);
+}
+
static void ahci_pci_save_initial_config(struct pci_dev *pdev,
struct ahci_host_priv *hpriv)
{
@@ -688,6 +769,10 @@ static void ahci_pci_save_initial_config(struct pci_dev *pdev,
"Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
}
+ /* Handle port map masks passed as module parameter. */
+ if (ahci_mask_port_map)
+ ahci_get_port_map_mask(&pdev->dev, hpriv);
+
ahci_save_initial_config(&pdev->dev, hpriv);
}
--
GitLab
From 648dae58a830ecceea3b1bebf68432435980f137 Mon Sep 17 00:00:00 2001
From: Dave Jiang <dave.jiang@intel.com>
Date: Wed, 3 Apr 2024 08:47:12 -0700
Subject: [PATCH 2169/2686] cxl: Remove checking of iter in
cxl_endpoint_get_perf_coordinates()
The while() loop in cxl_endpoint_get_perf_coordinates() checks to see if
'iter' is valid as part of the condition breaking out of the loop.
is_cxl_root() will stop the loop before the next iteration could go NULL.
Remove the iter check.
The presence of the iter or removing the iter does not impact the behavior
of the code. This is a code clean up and not a bug fix.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/20240403154844.3403859-2-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
drivers/cxl/core/port.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 2b0cab556072f..6cbde50a742bf 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -2197,7 +2197,7 @@ int cxl_endpoint_get_perf_coordinates(struct cxl_port *port,
* port each iteration. If the parent is cxl root then there is
* nothing to gather.
*/
- while (iter && !is_cxl_root(to_cxl_port(iter->dev.parent))) {
+ while (!is_cxl_root(to_cxl_port(iter->dev.parent))) {
cxl_coordinates_combine(&c, &c, &dport->sw_coord);
c.write_latency += dport->link_latency;
c.read_latency += dport->link_latency;
--
GitLab
From 838ae9f45c4e43b4633d8b0ad1fbedff9ecf177d Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Sat, 30 Mar 2024 07:12:03 -0700
Subject: [PATCH 2170/2686] nouveau/gsp: Avoid addressing beyond end of
rpc->entries
Using the end of rpc->entries[] for addressing runs into both compile-time
and run-time detection of accessing beyond the end of the array. Use the
base pointer instead, since was allocated with the additional bytes for
storing the strings. Avoids the following warning in future GCC releases
with support for __counted_by:
In function 'fortify_memcpy_chk',
inlined from 'r535_gsp_rpc_set_registry' at ../drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c:1123:3:
../include/linux/fortify-string.h:553:25: error: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror=attribute-warning]
553 | __write_overflow_field(p_size_field, size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
for this code:
strings = (char *)&rpc->entries[NV_GSP_REG_NUM_ENTRIES];
...
memcpy(strings, r535_registry_entries[i].name, name_len);
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240330141159.work.063-kees@kernel.org
---
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index 9994cbd6f1c40..9858c1438aa7f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -1112,7 +1112,7 @@ r535_gsp_rpc_set_registry(struct nvkm_gsp *gsp)
rpc->numEntries = NV_GSP_REG_NUM_ENTRIES;
str_offset = offsetof(typeof(*rpc), entries[NV_GSP_REG_NUM_ENTRIES]);
- strings = (char *)&rpc->entries[NV_GSP_REG_NUM_ENTRIES];
+ strings = (char *)rpc + str_offset;
for (i = 0; i < NV_GSP_REG_NUM_ENTRIES; i++) {
int name_len = strlen(r535_registry_entries[i].name) + 1;
--
GitLab
From 185fdb4697cc9684a02f2fab0530ecdd0c2f15d4 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 4 Apr 2024 18:02:25 +0200
Subject: [PATCH 2171/2686] nouveau: fix function cast warning
Calling a function through an incompatible pointer type causes breaks
kcfi, so clang warns about the assignment:
drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c:73:10: error: cast from 'void (*)(const void *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
73 | .fini = (void(*)(void *))kfree,
Avoid this with a trivial wrapper.
Fixes: c39f472e9f14 ("drm/nouveau: remove symlinks, move core/ to nvkm/ (no code changes)")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404160234.2923554-1-arnd@kernel.org
---
drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c
index 4bf486b571013..cb05f7f48a98b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c
@@ -66,11 +66,16 @@ of_init(struct nvkm_bios *bios, const char *name)
return ERR_PTR(-EINVAL);
}
+static void of_fini(void *p)
+{
+ kfree(p);
+}
+
const struct nvbios_source
nvbios_of = {
.name = "OpenFirmware",
.init = of_init,
- .fini = (void(*)(void *))kfree,
+ .fini = of_fini,
.read = of_read,
.size = of_size,
.rw = false,
--
GitLab
From 0c3b532ad3fbf82884a2e7e83e37c7dcdd4d1d99 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Fri, 5 Apr 2024 19:25:21 +0300
Subject: [PATCH 2172/2686] gpio: wcove: Use -ENOTSUPP consistently
The GPIO library expects the drivers to return -ENOTSUPP in some
cases and not using analogue POSIX code. Make the driver to follow
this.
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/gpio/gpio-wcove.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-wcove.c b/drivers/gpio/gpio-wcove.c
index c18b6b47384f1..94ca9d03c0949 100644
--- a/drivers/gpio/gpio-wcove.c
+++ b/drivers/gpio/gpio-wcove.c
@@ -104,7 +104,7 @@ static inline int to_reg(int gpio, enum ctrl_register type)
unsigned int reg = type == CTRL_IN ? GPIO_IN_CTRL_BASE : GPIO_OUT_CTRL_BASE;
if (gpio >= WCOVE_GPIO_NUM)
- return -EOPNOTSUPP;
+ return -ENOTSUPP;
return reg + gpio;
}
--
GitLab
From ace0ebe5c98d66889f19e0f30e2518d0c58d0e04 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Fri, 5 Apr 2024 19:26:22 +0300
Subject: [PATCH 2173/2686] gpio: crystalcove: Use -ENOTSUPP consistently
The GPIO library expects the drivers to return -ENOTSUPP in some
cases and not using analogue POSIX code. Make the driver to follow
this.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/gpio/gpio-crystalcove.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-crystalcove.c b/drivers/gpio/gpio-crystalcove.c
index 1ee62cd58582b..25db014494a4d 100644
--- a/drivers/gpio/gpio-crystalcove.c
+++ b/drivers/gpio/gpio-crystalcove.c
@@ -92,7 +92,7 @@ static inline int to_reg(int gpio, enum ctrl_register reg_type)
case 0x5e:
return GPIOPANELCTL;
default:
- return -EOPNOTSUPP;
+ return -ENOTSUPP;
}
}
--
GitLab
From 10396f4df8b75ff6ab0aa2cd74296565466f2c8d Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@kernel.org>
Date: Fri, 5 Apr 2024 13:56:18 -0400
Subject: [PATCH 2174/2686] nfsd: hold a lighter-weight client reference over
CB_RECALL_ANY
Currently the CB_RECALL_ANY job takes a cl_rpc_users reference to the
client. While a callback job is technically an RPC that counter is
really more for client-driven RPCs, and this has the effect of
preventing the client from being unhashed until the callback completes.
If nfsd decides to send a CB_RECALL_ANY just as the client reboots, we
can end up in a situation where the callback can't complete on the (now
dead) callback channel, but the new client can't connect because the old
client can't be unhashed. This usually manifests as a NFS4ERR_DELAY
return on the CREATE_SESSION operation.
The job is only holding a reference to the client so it can clear a flag
after the RPC completes. Fix this by having CB_RECALL_ANY instead hold a
reference to the cl_nfsdfs.cl_ref. Typically we only take that sort of
reference when dealing with the nfsdfs info files, but it should work
appropriately here to ensure that the nfs4_client doesn't disappear.
Fixes: 44df6f439a17 ("NFSD: add delegation reaper to react to low memory condition")
Reported-by: Vladimir Benes <vbenes@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
fs/nfsd/nfs4state.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 5fcd93f7cb8c7..3cef81e196c68 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3042,12 +3042,9 @@ static void
nfsd4_cb_recall_any_release(struct nfsd4_callback *cb)
{
struct nfs4_client *clp = cb->cb_clp;
- struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
- spin_lock(&nn->client_lock);
clear_bit(NFSD4_CLIENT_CB_RECALL_ANY, &clp->cl_flags);
- put_client_renew_locked(clp);
- spin_unlock(&nn->client_lock);
+ drop_client(clp);
}
static int
@@ -6616,7 +6613,7 @@ deleg_reaper(struct nfsd_net *nn)
list_add(&clp->cl_ra_cblist, &cblist);
/* release in nfsd4_cb_recall_any_release */
- atomic_inc(&clp->cl_rpc_users);
+ kref_get(&clp->cl_nfsdfs.cl_ref);
set_bit(NFSD4_CLIENT_CB_RECALL_ANY, &clp->cl_flags);
clp->cl_ra_time = ktime_get_boottime_seconds();
}
--
GitLab
From d3bbc4dfcc8d436b1e27a0bb6a5893b090fc1cab Mon Sep 17 00:00:00 2001
From: Miguel Ojeda <ojeda@kernel.org>
Date: Tue, 26 Mar 2024 22:23:24 +0100
Subject: [PATCH 2175/2686] drm/msm: fix the `CRASHDUMP_READ` target of
`a6xx_get_shader_block()`
Clang 14 in an (essentially) defconfig arm64 build for next-20240326
reports [1]:
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:843:6: error:
variable 'out' set but not used [-Werror,-Wunused-but-set-variable]
The variable `out` in these functions is meant to compute the `target` of
`CRASHDUMP_READ()`, but in this case only the initial value (`dumper->iova
+ A6XX_CD_DATA_OFFSET`) was being passed.
Thus use `out` as it was intended by Connor [2].
There was an alternative patch at [3] that removed the variable
altogether, but that would only use the initial value.
Fixes: 64d6255650d4 ("drm/msm: More fully implement devcoredump for a7xx")
Closes: https://lore.kernel.org/lkml/CANiq72mjc5t4n25SQvYSrOEhxxpXYPZ4pPzneSJHEnc3qApu2Q@mail.gmail.com/ [1]
Link: https://lore.kernel.org/lkml/CACu1E7HhCKMJd6fixZSPiNAz6ekoZnkMTHTcLFVmbZ-9VoLxKg@mail.gmail.com/ [2]
Link: https://lore.kernel.org/lkml/20240307093727.1978126-1-colin.i.king@gmail.com/ [3]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/584955/
Signed-off-by: Rob Clark <robdclark@chromium.org>
---
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
index 1f5245fc2cdc6..a847a0f7a73c9 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
@@ -852,7 +852,7 @@ static void a6xx_get_shader_block(struct msm_gpu *gpu,
(block->type << 8) | i);
in += CRASHDUMP_READ(in, REG_A6XX_HLSQ_DBG_AHB_READ_APERTURE,
- block->size, dumper->iova + A6XX_CD_DATA_OFFSET);
+ block->size, out);
out += block->size * sizeof(u32);
}
--
GitLab
From 65291dcfcf8936e1b23cfd7718fdfde7cfaf7706 Mon Sep 17 00:00:00 2001
From: David Hildenbrand <david@redhat.com>
Date: Tue, 26 Mar 2024 15:32:08 +0100
Subject: [PATCH 2176/2686] mm/secretmem: fix GUP-fast succeeding on secretmem
folios
folio_is_secretmem() currently relies on secretmem folios being LRU
folios, to save some cycles.
However, folios might reside in a folio batch without the LRU flag set, or
temporarily have their LRU flag cleared. Consequently, the LRU flag is
unreliable for this purpose.
In particular, this is the case when secretmem_fault() allocates a fresh
page and calls filemap_add_folio()->folio_add_lru(). The folio might be
added to the per-cpu folio batch and won't get the LRU flag set until the
batch was drained using e.g., lru_add_drain().
Consequently, folio_is_secretmem() might not detect secretmem folios and
GUP-fast can succeed in grabbing a secretmem folio, crashing the kernel
when we would later try reading/writing to the folio, because the folio
has been unmapped from the directmap.
Fix it by removing that unreliable check.
Link: https://lkml.kernel.org/r/20240326143210.291116-2-david@redhat.com
Fixes: 1507f51255c9 ("mm: introduce memfd_secret system call to create "secret" memory areas")
Signed-off-by: David Hildenbrand <david@redhat.com>
Reported-by: xingwei lee <xrivendell7@gmail.com>
Reported-by: yue sun <samsun1006219@gmail.com>
Closes: https://lore.kernel.org/lkml/CABOYnLyevJeravW=QrH0JUPYEcDN160aZFb7kwndm-J2rmz0HQ@mail.gmail.com/
Debugged-by: Miklos Szeredi <miklos@szeredi.hu>
Tested-by: Miklos Szeredi <mszeredi@redhat.com>
Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/secretmem.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/secretmem.h b/include/linux/secretmem.h
index 35f3a4a8ceb1e..acf7e1a3f3def 100644
--- a/include/linux/secretmem.h
+++ b/include/linux/secretmem.h
@@ -13,10 +13,10 @@ static inline bool folio_is_secretmem(struct folio *folio)
/*
* Using folio_mapping() is quite slow because of the actual call
* instruction.
- * We know that secretmem pages are not compound and LRU so we can
+ * We know that secretmem pages are not compound, so we can
* save a couple of cycles here.
*/
- if (folio_test_large(folio) || !folio_test_lru(folio))
+ if (folio_test_large(folio))
return false;
mapping = (struct address_space *)
--
GitLab
From 8434f9aa6b7e77bc1459d75d1293c3f55bf4687b Mon Sep 17 00:00:00 2001
From: John Sperbeck <jsperbeck@google.com>
Date: Sat, 23 Mar 2024 08:29:34 -0700
Subject: [PATCH 2177/2686] init: open output files from cpio unpacking with
O_LARGEFILE
If a member of a cpio archive for an initrd or initrams is larger than
2Gb, we'll eventually fail to write to that file when we get to that
limit, unless O_LARGEFILE is set.
The problem can be seen with this recipe, assuming that BLK_DEV_RAM
is not configured:
cd /tmp
dd if=/dev/zero of=BIGFILE bs=1048576 count=2200
echo BIGFILE | cpio -o -H newc -R root:root > initrd.img
kexec -l /boot/vmlinuz-$(uname -r) --initrd=initrd.img --reuse-cmdline
kexec -e
The console will show 'Initramfs unpacking failed: write error'. With
the patch, the error is gone.
Link: https://lkml.kernel.org/r/20240323152934.3307391-1-jsperbeck@google.com
Signed-off-by: John Sperbeck <jsperbeck@google.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
init/initramfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/init/initramfs.c b/init/initramfs.c
index 3127e0bf7bbd1..a298a3854a801 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -367,7 +367,7 @@ static int __init do_name(void)
if (S_ISREG(mode)) {
int ml = maybe_link();
if (ml >= 0) {
- int openflags = O_WRONLY|O_CREAT;
+ int openflags = O_WRONLY|O_CREAT|O_LARGEFILE;
if (ml != 1)
openflags |= O_TRUNC;
wfile = filp_open(collected, openflags, mode);
--
GitLab
From 4ed91fa9177b236b73a271f11a333a98f076eb63 Mon Sep 17 00:00:00 2001
From: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
Date: Sat, 23 Mar 2024 15:15:44 +0100
Subject: [PATCH 2178/2686] mm: vmalloc: bail out early in find_vmap_area() if
vmap is not init
During the boot the s390 system triggers "spinlock bad magic" messages
if the spinlock debugging is enabled:
[ 0.465445] BUG: spinlock bad magic on CPU#0, swapper/0
[ 0.465490] lock: single+0x1860/0x1958, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
[ 0.466067] CPU: 0 PID: 0 Comm: swapper Not tainted 6.8.0-12955-g8e938e398669 #1
[ 0.466188] Hardware name: QEMU 8561 QEMU (KVM/Linux)
[ 0.466270] Call Trace:
[ 0.466470] [<00000000011f26c8>] dump_stack_lvl+0x98/0xd8
[ 0.466516] [<00000000001dcc6a>] do_raw_spin_lock+0x8a/0x108
[ 0.466545] [<000000000042146c>] find_vmap_area+0x6c/0x108
[ 0.466572] [<000000000042175a>] find_vm_area+0x22/0x40
[ 0.466597] [<000000000012f152>] __set_memory+0x132/0x150
[ 0.466624] [<0000000001cc0398>] vmem_map_init+0x40/0x118
[ 0.466651] [<0000000001cc0092>] paging_init+0x22/0x68
[ 0.466677] [<0000000001cbbed2>] setup_arch+0x52a/0x708
[ 0.466702] [<0000000001cb6140>] start_kernel+0x80/0x5c8
[ 0.466727] [<0000000000100036>] startup_continue+0x36/0x40
it happens because such system tries to access some vmap areas
whereas the vmalloc initialization is not even yet done:
[ 0.465490] lock: single+0x1860/0x1958, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
[ 0.466067] CPU: 0 PID: 0 Comm: swapper Not tainted 6.8.0-12955-g8e938e398669 #1
[ 0.466188] Hardware name: QEMU 8561 QEMU (KVM/Linux)
[ 0.466270] Call Trace:
[ 0.466470] dump_stack_lvl (lib/dump_stack.c:117)
[ 0.466516] do_raw_spin_lock (kernel/locking/spinlock_debug.c:87 kernel/locking/spinlock_debug.c:115)
[ 0.466545] find_vmap_area (mm/vmalloc.c:1059 mm/vmalloc.c:2364)
[ 0.466572] find_vm_area (mm/vmalloc.c:3150)
[ 0.466597] __set_memory (arch/s390/mm/pageattr.c:360 arch/s390/mm/pageattr.c:393)
[ 0.466624] vmem_map_init (./arch/s390/include/asm/set_memory.h:55 arch/s390/mm/vmem.c:660)
[ 0.466651] paging_init (arch/s390/mm/init.c:97)
[ 0.466677] setup_arch (arch/s390/kernel/setup.c:972)
[ 0.466702] start_kernel (init/main.c:899)
[ 0.466727] startup_continue (arch/s390/kernel/head64.S:35)
[ 0.466811] INFO: lockdep is turned off.
...
[ 0.718250] vmalloc init - busy lock init 0000000002871860
[ 0.718328] vmalloc init - busy lock init 00000000028731b8
Some background. It worked before because the lock that is in question
was statically defined and initialized. As of now, the locks and data
structures are initialized in the vmalloc_init() function.
To address that issue add the check whether the "vmap_initialized"
variable is set, if not find_vmap_area() bails out on entry returning NULL.
Link: https://lkml.kernel.org/r/20240323141544.4150-1-urezki@gmail.com
Fixes: 72210662c5a2 ("mm: vmalloc: offload free_vmap_area_lock lock")
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Baoquan He <bhe@redhat.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Oleksiy Avramchenko <oleksiy.avramchenko@sony.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/vmalloc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 22aa63f4ef632..0d77d171b5d9f 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2343,6 +2343,9 @@ struct vmap_area *find_vmap_area(unsigned long addr)
struct vmap_area *va;
int i, j;
+ if (unlikely(!vmap_initialized))
+ return NULL;
+
/*
* An addr_to_node_id(addr) converts an address to a node index
* where a VA is located. If VA spans several zones and passed
--
GitLab
From fc2c22693c608125bbce174c1952eb4db2f8d07f Mon Sep 17 00:00:00 2001
From: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
Date: Thu, 28 Mar 2024 15:03:30 +0100
Subject: [PATCH 2179/2686] mm: vmalloc: fix lockdep warning
A lockdep reports a possible deadlock in the find_vmap_area_exceed_addr_lock()
function:
============================================
WARNING: possible recursive locking detected
6.9.0-rc1-00060-ged3ccc57b108-dirty #6140 Not tainted
--------------------------------------------
drgn/455 is trying to acquire lock:
ffff0000c00131d0 (&vn->busy.lock/1){+.+.}-{2:2}, at: find_vmap_area_exceed_addr_lock+0x64/0x124
but task is already holding lock:
ffff0000c0011878 (&vn->busy.lock/1){+.+.}-{2:2}, at: find_vmap_area_exceed_addr_lock+0x64/0x124
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&vn->busy.lock/1);
lock(&vn->busy.lock/1);
*** DEADLOCK ***
indeed it can happen if the find_vmap_area_exceed_addr_lock() gets called
concurrently because it tries to acquire two nodes locks. It was done to
prevent removing a lowest VA found on a previous step.
To address this a lowest VA is found first without holding a node lock
where it resides. As a last step we check if a VA still there because it
can go away, if removed, proceed with next lowest.
[akpm@linux-foundation.org: fix comment typos, per Baoquan]
Link: https://lkml.kernel.org/r/20240328140330.4747-1-urezki@gmail.com
Fixes: 53becf32aec1 ("mm: vmalloc: support multiple nodes in vread_iter")
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Tested-by: Jens Axboe <axboe@kernel.dk>
Tested-by: Omar Sandoval <osandov@fb.com>
Reported-by: Jens Axboe <axboe@kernel.dk>
Cc: Baoquan He <bhe@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Oleksiy Avramchenko <oleksiy.avramchenko@sony.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/vmalloc.c | 73 +++++++++++++++++++++++++++++++---------------------
1 file changed, 43 insertions(+), 30 deletions(-)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 0d77d171b5d9f..68fa001648cc1 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -989,6 +989,27 @@ unsigned long vmalloc_nr_pages(void)
return atomic_long_read(&nr_vmalloc_pages);
}
+static struct vmap_area *__find_vmap_area(unsigned long addr, struct rb_root *root)
+{
+ struct rb_node *n = root->rb_node;
+
+ addr = (unsigned long)kasan_reset_tag((void *)addr);
+
+ while (n) {
+ struct vmap_area *va;
+
+ va = rb_entry(n, struct vmap_area, rb_node);
+ if (addr < va->va_start)
+ n = n->rb_left;
+ else if (addr >= va->va_end)
+ n = n->rb_right;
+ else
+ return va;
+ }
+
+ return NULL;
+}
+
/* Look up the first VA which satisfies addr < va_end, NULL if none. */
static struct vmap_area *
__find_vmap_area_exceed_addr(unsigned long addr, struct rb_root *root)
@@ -1025,47 +1046,39 @@ __find_vmap_area_exceed_addr(unsigned long addr, struct rb_root *root)
static struct vmap_node *
find_vmap_area_exceed_addr_lock(unsigned long addr, struct vmap_area **va)
{
- struct vmap_node *vn, *va_node = NULL;
- struct vmap_area *va_lowest;
+ unsigned long va_start_lowest;
+ struct vmap_node *vn;
int i;
- for (i = 0; i < nr_vmap_nodes; i++) {
+repeat:
+ for (i = 0, va_start_lowest = 0; i < nr_vmap_nodes; i++) {
vn = &vmap_nodes[i];
spin_lock(&vn->busy.lock);
- va_lowest = __find_vmap_area_exceed_addr(addr, &vn->busy.root);
- if (va_lowest) {
- if (!va_node || va_lowest->va_start < (*va)->va_start) {
- if (va_node)
- spin_unlock(&va_node->busy.lock);
-
- *va = va_lowest;
- va_node = vn;
- continue;
- }
- }
+ *va = __find_vmap_area_exceed_addr(addr, &vn->busy.root);
+
+ if (*va)
+ if (!va_start_lowest || (*va)->va_start < va_start_lowest)
+ va_start_lowest = (*va)->va_start;
spin_unlock(&vn->busy.lock);
}
- return va_node;
-}
-
-static struct vmap_area *__find_vmap_area(unsigned long addr, struct rb_root *root)
-{
- struct rb_node *n = root->rb_node;
+ /*
+ * Check if found VA exists, it might have gone away. In this case we
+ * repeat the search because a VA has been removed concurrently and we
+ * need to proceed to the next one, which is a rare case.
+ */
+ if (va_start_lowest) {
+ vn = addr_to_node(va_start_lowest);
- addr = (unsigned long)kasan_reset_tag((void *)addr);
+ spin_lock(&vn->busy.lock);
+ *va = __find_vmap_area(va_start_lowest, &vn->busy.root);
- while (n) {
- struct vmap_area *va;
+ if (*va)
+ return vn;
- va = rb_entry(n, struct vmap_area, rb_node);
- if (addr < va->va_start)
- n = n->rb_left;
- else if (addr >= va->va_end)
- n = n->rb_right;
- else
- return va;
+ spin_unlock(&vn->busy.lock);
+ goto repeat;
}
return NULL;
--
GitLab
From 176517c9310281d00dd3210ab4cc4d3cdc26b17e Mon Sep 17 00:00:00 2001
From: Edward Liaw <edliaw@google.com>
Date: Fri, 29 Mar 2024 18:58:10 +0000
Subject: [PATCH 2180/2686] selftests/mm: include strings.h for ffsl
Got a compilation error on Android for ffsl after 91b80cc5b39f
("selftests: mm: fix map_hugetlb failure on 64K page size systems")
included vm_util.h.
Link: https://lkml.kernel.org/r/20240329185814.16304-1-edliaw@google.com
Fixes: af605d26a8f2 ("selftests/mm: merge util.h into vm_util.h")
Signed-off-by: Edward Liaw <edliaw@google.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Mike Rapoport (IBM)" <rppt@kernel.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/testing/selftests/mm/vm_util.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/mm/vm_util.h b/tools/testing/selftests/mm/vm_util.h
index c02990bbd56f4..9007c420d52c5 100644
--- a/tools/testing/selftests/mm/vm_util.h
+++ b/tools/testing/selftests/mm/vm_util.h
@@ -3,7 +3,7 @@
#include <stdbool.h>
#include <sys/mman.h>
#include <err.h>
-#include <string.h> /* ffsl() */
+#include <strings.h> /* ffsl() */
#include <unistd.h> /* _SC_PAGESIZE */
#define BIT_ULL(nr) (1ULL << (nr))
--
GitLab
From 87f0e65cdf762f7c4d7ad1466f0cc7c1381f1996 Mon Sep 17 00:00:00 2001
From: Alexey Makhalov <alexey.makhalov@broadcom.com>
Date: Tue, 2 Apr 2024 16:23:34 -0700
Subject: [PATCH 2181/2686] MAINTAINERS: change vmware.com addresses to
broadcom.com
Update all remaining vmware.com email addresses to actual broadcom.com.
Add corresponding .mailmap entries for maintainers who contributed in the
past as the vmware.com address will start bouncing soon.
Maintainership update. Jeff Sipek has left VMware, Nick Shi will be
maintaining VMware PTP.
Link: https://lkml.kernel.org/r/20240402232334.33167-1-alexey.makhalov@broadcom.com
Signed-off-by: Alexey Makhalov <alexey.makhalov@broadcom.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Acked-by: Ajay Kaher <ajay.kaher@broadcom.com>
Acked-by: Ronak Doshi <ronak.doshi@broadcom.com>
Acked-by: Nick Shi <nick.shi@broadcom.com>
Acked-by: Bryan Tan <bryan-bt.tan@broadcom.com>
Acked-by: Vishnu Dasa <vishnu.dasa@broadcom.com>
Acked-by: Vishal Bhakta <vishal.bhakta@broadcom.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
.mailmap | 5 +++++
MAINTAINERS | 46 +++++++++++++++++++++++-----------------------
2 files changed, 28 insertions(+), 23 deletions(-)
diff --git a/.mailmap b/.mailmap
index 59c9a841bf714..8284692f96107 100644
--- a/.mailmap
+++ b/.mailmap
@@ -20,6 +20,7 @@ Adam Oldham <oldhamca@gmail.com>
Adam Radford <aradford@gmail.com>
Adriana Reus <adi.reus@gmail.com> <adriana.reus@intel.com>
Adrian Bunk <bunk@stusta.de>
+Ajay Kaher <ajay.kaher@broadcom.com> <akaher@vmware.com>
Akhil P Oommen <quic_akhilpo@quicinc.com> <akhilpo@codeaurora.org>
Alan Cox <alan@lxorguk.ukuu.org.uk>
Alan Cox <root@hraefn.swansea.linux.org.uk>
@@ -36,6 +37,7 @@ Alexei Avshalom Lazar <quic_ailizaro@quicinc.com> <ailizaro@codeaurora.org>
Alexei Starovoitov <ast@kernel.org> <alexei.starovoitov@gmail.com>
Alexei Starovoitov <ast@kernel.org> <ast@fb.com>
Alexei Starovoitov <ast@kernel.org> <ast@plumgrid.com>
+Alexey Makhalov <alexey.amakhalov@broadcom.com> <amakhalov@vmware.com>
Alex Hung <alexhung@gmail.com> <alex.hung@canonical.com>
Alex Shi <alexs@kernel.org> <alex.shi@intel.com>
Alex Shi <alexs@kernel.org> <alex.shi@linaro.org>
@@ -110,6 +112,7 @@ Brendan Higgins <brendan.higgins@linux.dev> <brendanhiggins@google.com>
Brian Avery <b.avery@hp.com>
Brian King <brking@us.ibm.com>
Brian Silverman <bsilver16384@gmail.com> <brian.silverman@bluerivertech.com>
+Bryan Tan <bryan-bt.tan@broadcom.com> <bryantan@vmware.com>
Cai Huoqing <cai.huoqing@linux.dev> <caihuoqing@baidu.com>
Can Guo <quic_cang@quicinc.com> <cang@codeaurora.org>
Carl Huang <quic_cjhuang@quicinc.com> <cjhuang@codeaurora.org>
@@ -529,6 +532,7 @@ Rocky Liao <quic_rjliao@quicinc.com> <rjliao@codeaurora.org>
Roman Gushchin <roman.gushchin@linux.dev> <guro@fb.com>
Roman Gushchin <roman.gushchin@linux.dev> <guroan@gmail.com>
Roman Gushchin <roman.gushchin@linux.dev> <klamm@yandex-team.ru>
+Ronak Doshi <ronak.doshi@broadcom.com> <doshir@vmware.com>
Muchun Song <muchun.song@linux.dev> <songmuchun@bytedance.com>
Muchun Song <muchun.song@linux.dev> <smuchun@gmail.com>
Ross Zwisler <zwisler@kernel.org> <ross.zwisler@linux.intel.com>
@@ -651,6 +655,7 @@ Viresh Kumar <vireshk@kernel.org> <viresh.kumar@st.com>
Viresh Kumar <vireshk@kernel.org> <viresh.linux@gmail.com>
Viresh Kumar <viresh.kumar@linaro.org> <viresh.kumar@linaro.org>
Viresh Kumar <viresh.kumar@linaro.org> <viresh.kumar@linaro.com>
+Vishnu Dasa <vishnu.dasa@broadcom.com> <vdasa@vmware.com>
Vivek Aknurwar <quic_viveka@quicinc.com> <viveka@codeaurora.org>
Vivien Didelot <vivien.didelot@gmail.com> <vivien.didelot@savoirfairelinux.com>
Vlad Dogaru <ddvlad@gmail.com> <vlad.dogaru@intel.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 7c121493f43d0..bd9fbb315e692 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16731,9 +16731,9 @@ F: include/uapi/linux/ppdev.h
PARAVIRT_OPS INTERFACE
M: Juergen Gross <jgross@suse.com>
-R: Ajay Kaher <akaher@vmware.com>
-R: Alexey Makhalov <amakhalov@vmware.com>
-R: VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
+R: Ajay Kaher <ajay.kaher@broadcom.com>
+R: Alexey Makhalov <alexey.amakhalov@broadcom.com>
+R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
L: virtualization@lists.linux.dev
L: x86@kernel.org
S: Supported
@@ -23652,9 +23652,9 @@ S: Supported
F: drivers/misc/vmw_balloon.c
VMWARE HYPERVISOR INTERFACE
-M: Ajay Kaher <akaher@vmware.com>
-M: Alexey Makhalov <amakhalov@vmware.com>
-R: VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
+M: Ajay Kaher <ajay.kaher@broadcom.com>
+M: Alexey Makhalov <alexey.amakhalov@broadcom.com>
+R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
L: virtualization@lists.linux.dev
L: x86@kernel.org
S: Supported
@@ -23663,34 +23663,34 @@ F: arch/x86/include/asm/vmware.h
F: arch/x86/kernel/cpu/vmware.c
VMWARE PVRDMA DRIVER
-M: Bryan Tan <bryantan@vmware.com>
-M: Vishnu Dasa <vdasa@vmware.com>
-R: VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
+M: Bryan Tan <bryan-bt.tan@broadcom.com>
+M: Vishnu Dasa <vishnu.dasa@broadcom.com>
+R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
L: linux-rdma@vger.kernel.org
S: Supported
F: drivers/infiniband/hw/vmw_pvrdma/
VMWARE PVSCSI DRIVER
-M: Vishal Bhakta <vbhakta@vmware.com>
-R: VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
+M: Vishal Bhakta <vishal.bhakta@broadcom.com>
+R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
L: linux-scsi@vger.kernel.org
S: Supported
F: drivers/scsi/vmw_pvscsi.c
F: drivers/scsi/vmw_pvscsi.h
VMWARE VIRTUAL PTP CLOCK DRIVER
-M: Jeff Sipek <jsipek@vmware.com>
-R: Ajay Kaher <akaher@vmware.com>
-R: Alexey Makhalov <amakhalov@vmware.com>
-R: VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
+M: Nick Shi <nick.shi@broadcom.com>
+R: Ajay Kaher <ajay.kaher@broadcom.com>
+R: Alexey Makhalov <alexey.amakhalov@broadcom.com>
+R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
L: netdev@vger.kernel.org
S: Supported
F: drivers/ptp/ptp_vmw.c
VMWARE VMCI DRIVER
-M: Bryan Tan <bryantan@vmware.com>
-M: Vishnu Dasa <vdasa@vmware.com>
-R: VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
+M: Bryan Tan <bryan-bt.tan@broadcom.com>
+M: Vishnu Dasa <vishnu.dasa@broadcom.com>
+R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
L: linux-kernel@vger.kernel.org
S: Supported
F: drivers/misc/vmw_vmci/
@@ -23705,16 +23705,16 @@ F: drivers/input/mouse/vmmouse.c
F: drivers/input/mouse/vmmouse.h
VMWARE VMXNET3 ETHERNET DRIVER
-M: Ronak Doshi <doshir@vmware.com>
-R: VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
+M: Ronak Doshi <ronak.doshi@broadcom.com>
+R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
L: netdev@vger.kernel.org
S: Supported
F: drivers/net/vmxnet3/
VMWARE VSOCK VMCI TRANSPORT DRIVER
-M: Bryan Tan <bryantan@vmware.com>
-M: Vishnu Dasa <vdasa@vmware.com>
-R: VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
+M: Bryan Tan <bryan-bt.tan@broadcom.com>
+M: Vishnu Dasa <vishnu.dasa@broadcom.com>
+R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
L: linux-kernel@vger.kernel.org
S: Supported
F: net/vmw_vsock/vmci_transport*
--
GitLab
From 04c35ab3bdae7fefbd7c7a7355f29fa03a035221 Mon Sep 17 00:00:00 2001
From: David Hildenbrand <david@redhat.com>
Date: Wed, 3 Apr 2024 23:21:30 +0200
Subject: [PATCH 2182/2686] x86/mm/pat: fix VM_PAT handling in COW mappings
PAT handling won't do the right thing in COW mappings: the first PTE (or,
in fact, all PTEs) can be replaced during write faults to point at anon
folios. Reliably recovering the correct PFN and cachemode using
follow_phys() from PTEs will not work in COW mappings.
Using follow_phys(), we might just get the address+protection of the anon
folio (which is very wrong), or fail on swap/nonswap entries, failing
follow_phys() and triggering a WARN_ON_ONCE() in untrack_pfn() and
track_pfn_copy(), not properly calling free_pfn_range().
In free_pfn_range(), we either wouldn't call memtype_free() or would call
it with the wrong range, possibly leaking memory.
To fix that, let's update follow_phys() to refuse returning anon folios,
and fallback to using the stored PFN inside vma->vm_pgoff for COW mappings
if we run into that.
We will now properly handle untrack_pfn() with COW mappings, where we
don't need the cachemode. We'll have to fail fork()->track_pfn_copy() if
the first page was replaced by an anon folio, though: we'd have to store
the cachemode in the VMA to make this work, likely growing the VMA size.
For now, lets keep it simple and let track_pfn_copy() just fail in that
case: it would have failed in the past with swap/nonswap entries already,
and it would have done the wrong thing with anon folios.
Simple reproducer to trigger the WARN_ON_ONCE() in untrack_pfn():
<--- C reproducer --->
#include <stdio.h>
#include <sys/mman.h>
#include <unistd.h>
#include <liburing.h>
int main(void)
{
struct io_uring_params p = {};
int ring_fd;
size_t size;
char *map;
ring_fd = io_uring_setup(1, &p);
if (ring_fd < 0) {
perror("io_uring_setup");
return 1;
}
size = p.sq_off.array + p.sq_entries * sizeof(unsigned);
/* Map the submission queue ring MAP_PRIVATE */
map = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE,
ring_fd, IORING_OFF_SQ_RING);
if (map == MAP_FAILED) {
perror("mmap");
return 1;
}
/* We have at least one page. Let's COW it. */
*map = 0;
pause();
return 0;
}
<--- C reproducer --->
On a system with 16 GiB RAM and swap configured:
# ./iouring &
# memhog 16G
# killall iouring
[ 301.552930] ------------[ cut here ]------------
[ 301.553285] WARNING: CPU: 7 PID: 1402 at arch/x86/mm/pat/memtype.c:1060 untrack_pfn+0xf4/0x100
[ 301.553989] Modules linked in: binfmt_misc nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_g
[ 301.558232] CPU: 7 PID: 1402 Comm: iouring Not tainted 6.7.5-100.fc38.x86_64 #1
[ 301.558772] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebu4
[ 301.559569] RIP: 0010:untrack_pfn+0xf4/0x100
[ 301.559893] Code: 75 c4 eb cf 48 8b 43 10 8b a8 e8 00 00 00 3b 6b 28 74 b8 48 8b 7b 30 e8 ea 1a f7 000
[ 301.561189] RSP: 0018:ffffba2c0377fab8 EFLAGS: 00010282
[ 301.561590] RAX: 00000000ffffffea RBX: ffff9208c8ce9cc0 RCX: 000000010455e047
[ 301.562105] RDX: 07fffffff0eb1e0a RSI: 0000000000000000 RDI: ffff9208c391d200
[ 301.562628] RBP: 0000000000000000 R08: ffffba2c0377fab8 R09: 0000000000000000
[ 301.563145] R10: ffff9208d2292d50 R11: 0000000000000002 R12: 00007fea890e0000
[ 301.563669] R13: 0000000000000000 R14: ffffba2c0377fc08 R15: 0000000000000000
[ 301.564186] FS: 0000000000000000(0000) GS:ffff920c2fbc0000(0000) knlGS:0000000000000000
[ 301.564773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 301.565197] CR2: 00007fea88ee8a20 CR3: 00000001033a8000 CR4: 0000000000750ef0
[ 301.565725] PKRU: 55555554
[ 301.565944] Call Trace:
[ 301.566148] <TASK>
[ 301.566325] ? untrack_pfn+0xf4/0x100
[ 301.566618] ? __warn+0x81/0x130
[ 301.566876] ? untrack_pfn+0xf4/0x100
[ 301.567163] ? report_bug+0x171/0x1a0
[ 301.567466] ? handle_bug+0x3c/0x80
[ 301.567743] ? exc_invalid_op+0x17/0x70
[ 301.568038] ? asm_exc_invalid_op+0x1a/0x20
[ 301.568363] ? untrack_pfn+0xf4/0x100
[ 301.568660] ? untrack_pfn+0x65/0x100
[ 301.568947] unmap_single_vma+0xa6/0xe0
[ 301.569247] unmap_vmas+0xb5/0x190
[ 301.569532] exit_mmap+0xec/0x340
[ 301.569801] __mmput+0x3e/0x130
[ 301.570051] do_exit+0x305/0xaf0
...
Link: https://lkml.kernel.org/r/20240403212131.929421-3-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reported-by: Wupeng Ma <mawupeng1@huawei.com>
Closes: https://lkml.kernel.org/r/20240227122814.3781907-1-mawupeng1@huawei.com
Fixes: b1a86e15dc03 ("x86, pat: remove the dependency on 'vm_pgoff' in track/untrack pfn vma routines")
Fixes: 5899329b1910 ("x86: PAT: implement track/untrack of pfnmap regions for x86 - v3")
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/x86/mm/pat/memtype.c | 49 ++++++++++++++++++++++++++++-----------
mm/memory.c | 4 ++++
2 files changed, 39 insertions(+), 14 deletions(-)
diff --git a/arch/x86/mm/pat/memtype.c b/arch/x86/mm/pat/memtype.c
index 0d72183b5dd02..36b603d0cddef 100644
--- a/arch/x86/mm/pat/memtype.c
+++ b/arch/x86/mm/pat/memtype.c
@@ -947,6 +947,38 @@ static void free_pfn_range(u64 paddr, unsigned long size)
memtype_free(paddr, paddr + size);
}
+static int get_pat_info(struct vm_area_struct *vma, resource_size_t *paddr,
+ pgprot_t *pgprot)
+{
+ unsigned long prot;
+
+ VM_WARN_ON_ONCE(!(vma->vm_flags & VM_PAT));
+
+ /*
+ * We need the starting PFN and cachemode used for track_pfn_remap()
+ * that covered the whole VMA. For most mappings, we can obtain that
+ * information from the page tables. For COW mappings, we might now
+ * suddenly have anon folios mapped and follow_phys() will fail.
+ *
+ * Fallback to using vma->vm_pgoff, see remap_pfn_range_notrack(), to
+ * detect the PFN. If we need the cachemode as well, we're out of luck
+ * for now and have to fail fork().
+ */
+ if (!follow_phys(vma, vma->vm_start, 0, &prot, paddr)) {
+ if (pgprot)
+ *pgprot = __pgprot(prot);
+ return 0;
+ }
+ if (is_cow_mapping(vma->vm_flags)) {
+ if (pgprot)
+ return -EINVAL;
+ *paddr = (resource_size_t)vma->vm_pgoff << PAGE_SHIFT;
+ return 0;
+ }
+ WARN_ON_ONCE(1);
+ return -EINVAL;
+}
+
/*
* track_pfn_copy is called when vma that is covering the pfnmap gets
* copied through copy_page_range().
@@ -957,20 +989,13 @@ static void free_pfn_range(u64 paddr, unsigned long size)
int track_pfn_copy(struct vm_area_struct *vma)
{
resource_size_t paddr;
- unsigned long prot;
unsigned long vma_size = vma->vm_end - vma->vm_start;
pgprot_t pgprot;
if (vma->vm_flags & VM_PAT) {
- /*
- * reserve the whole chunk covered by vma. We need the
- * starting address and protection from pte.
- */
- if (follow_phys(vma, vma->vm_start, 0, &prot, &paddr)) {
- WARN_ON_ONCE(1);
+ if (get_pat_info(vma, &paddr, &pgprot))
return -EINVAL;
- }
- pgprot = __pgprot(prot);
+ /* reserve the whole chunk covered by vma. */
return reserve_pfn_range(paddr, vma_size, &pgprot, 1);
}
@@ -1045,7 +1070,6 @@ void untrack_pfn(struct vm_area_struct *vma, unsigned long pfn,
unsigned long size, bool mm_wr_locked)
{
resource_size_t paddr;
- unsigned long prot;
if (vma && !(vma->vm_flags & VM_PAT))
return;
@@ -1053,11 +1077,8 @@ void untrack_pfn(struct vm_area_struct *vma, unsigned long pfn,
/* free the chunk starting from pfn or the whole chunk */
paddr = (resource_size_t)pfn << PAGE_SHIFT;
if (!paddr && !size) {
- if (follow_phys(vma, vma->vm_start, 0, &prot, &paddr)) {
- WARN_ON_ONCE(1);
+ if (get_pat_info(vma, &paddr, NULL))
return;
- }
-
size = vma->vm_end - vma->vm_start;
}
free_pfn_range(paddr, size);
diff --git a/mm/memory.c b/mm/memory.c
index 904f70b994985..d2155ced45f8f 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -5973,6 +5973,10 @@ int follow_phys(struct vm_area_struct *vma,
goto out;
pte = ptep_get(ptep);
+ /* Never return PFNs of anon folios in COW mappings. */
+ if (vm_normal_folio(vma, address, pte))
+ goto unlock;
+
if ((flags & FOLL_WRITE) && !pte_write(pte))
goto unlock;
--
GitLab
From a6c1d9cb9a68bfa4512248419c4f4d880d19fe90 Mon Sep 17 00:00:00 2001
From: Peter Collingbourne <pcc@google.com>
Date: Mon, 1 Apr 2024 17:14:58 -0700
Subject: [PATCH 2183/2686] stackdepot: rename pool_index to pool_index_plus_1
Commit 3ee34eabac2a ("lib/stackdepot: fix first entry having a 0-handle")
changed the meaning of the pool_index field to mean "the pool index plus
1". This made the code accessing this field less self-documenting, as
well as causing debuggers such as drgn to not be able to easily remain
compatible with both old and new kernels, because they typically do that
by testing for presence of the new field. Because stackdepot is a
debugging tool, we should make sure that it is debugger friendly.
Therefore, give the field a different name to improve readability as well
as enabling debugger backwards compatibility.
This is needed in 6.9, which would otherwise become an odd release with
the new semantics and old name so debuggers wouldn't recognize the new
semantics there.
Fixes: 3ee34eabac2a ("lib/stackdepot: fix first entry having a 0-handle")
Link: https://lkml.kernel.org/r/20240402001500.53533-1-pcc@google.com
Link: https://linux-review.googlesource.com/id/Ib3e70c36c1d230dd0a118dc22649b33e768b9f88
Signed-off-by: Peter Collingbourne <pcc@google.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Alexander Potapenko <glider@google.com>
Acked-by: Marco Elver <elver@google.com>
Acked-by: Oscar Salvador <osalvador@suse.de>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Omar Sandoval <osandov@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/stackdepot.h | 7 +++----
lib/stackdepot.c | 4 ++--
2 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/include/linux/stackdepot.h b/include/linux/stackdepot.h
index 3c6caa5abc7c4..e9ec32fb97d4a 100644
--- a/include/linux/stackdepot.h
+++ b/include/linux/stackdepot.h
@@ -44,10 +44,9 @@ typedef u32 depot_stack_handle_t;
union handle_parts {
depot_stack_handle_t handle;
struct {
- /* pool_index is offset by 1 */
- u32 pool_index : DEPOT_POOL_INDEX_BITS;
- u32 offset : DEPOT_OFFSET_BITS;
- u32 extra : STACK_DEPOT_EXTRA_BITS;
+ u32 pool_index_plus_1 : DEPOT_POOL_INDEX_BITS;
+ u32 offset : DEPOT_OFFSET_BITS;
+ u32 extra : STACK_DEPOT_EXTRA_BITS;
};
};
diff --git a/lib/stackdepot.c b/lib/stackdepot.c
index af6cc19a20033..68c97387aa54e 100644
--- a/lib/stackdepot.c
+++ b/lib/stackdepot.c
@@ -330,7 +330,7 @@ static struct stack_record *depot_pop_free_pool(void **prealloc, size_t size)
stack = current_pool + pool_offset;
/* Pre-initialize handle once. */
- stack->handle.pool_index = pool_index + 1;
+ stack->handle.pool_index_plus_1 = pool_index + 1;
stack->handle.offset = pool_offset >> DEPOT_STACK_ALIGN;
stack->handle.extra = 0;
INIT_LIST_HEAD(&stack->hash_list);
@@ -441,7 +441,7 @@ static struct stack_record *depot_fetch_stack(depot_stack_handle_t handle)
const int pools_num_cached = READ_ONCE(pools_num);
union handle_parts parts = { .handle = handle };
void *pool;
- u32 pool_index = parts.pool_index - 1;
+ u32 pool_index = parts.pool_index_plus_1 - 1;
size_t offset = parts.offset << DEPOT_STACK_ALIGN;
struct stack_record *stack;
--
GitLab
From 9dc23cba0927d09cb481da064c8413eb9df42e2b Mon Sep 17 00:00:00 2001
From: Luca Weiss <luca.weiss@fairphone.com>
Date: Thu, 28 Mar 2024 09:02:45 +0100
Subject: [PATCH 2184/2686] drm/msm/adreno: Set highest_bank_bit for A619
The default highest_bank_bit of 15 didn't seem to cause issues so far
but downstream defines it to be 14. But similar to [0] leaving it on 14
(or 15 for that matter) causes some corruption issues with some
resolutions with DisplayPort, like 1920x1200.
So set it to 13 for now so that there's no screen corruption.
[0] commit 6a0dbcd20ef2 ("drm/msm/a6xx: set highest_bank_bit to 13 for a610")
Fixes: b7616b5c69e6 ("drm/msm/adreno: Add A619 support")
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Patchwork: https://patchwork.freedesktop.org/patch/585215/
Signed-off-by: Rob Clark <robdclark@chromium.org>
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 0674aca0f8a3f..cf0b1de1c0712 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -1377,6 +1377,10 @@ static void a6xx_calc_ubwc_config(struct adreno_gpu *gpu)
if (adreno_is_a618(gpu))
gpu->ubwc_config.highest_bank_bit = 14;
+ if (adreno_is_a619(gpu))
+ /* TODO: Should be 14 but causes corruption at e.g. 1920x1200 on DP */
+ gpu->ubwc_config.highest_bank_bit = 13;
+
if (adreno_is_a619_holi(gpu))
gpu->ubwc_config.highest_bank_bit = 13;
--
GitLab
From a6c4162d844dae4dbfea1bf9ecffcb852d3ed615 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Fri, 5 Apr 2024 18:01:02 +0300
Subject: [PATCH 2185/2686] bcachefs: fix ! vs ~ typo in __clear_bit_le64()
The ! was obviously intended to be ~. As it is, this function does
the equivalent to: "addr[bit / 64] = 0;".
Fixes: 27fcec6c27ca ("bcachefs: Clear recovery_passes_required as they complete without errors")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/util.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h
index b7e7c29278fc0..de639e8a3ab53 100644
--- a/fs/bcachefs/util.h
+++ b/fs/bcachefs/util.h
@@ -795,7 +795,7 @@ static inline void __set_bit_le64(size_t bit, __le64 *addr)
static inline void __clear_bit_le64(size_t bit, __le64 *addr)
{
- addr[bit / 64] &= !cpu_to_le64(BIT_ULL(bit % 64));
+ addr[bit / 64] &= ~cpu_to_le64(BIT_ULL(bit % 64));
}
static inline bool test_bit_le64(size_t bit, __le64 *addr)
--
GitLab
From cf979fca9a05d7d0b116257e5c4dc12b6bb7eb3a Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 5 Apr 2024 16:21:18 -0400
Subject: [PATCH 2186/2686] bcachefs: fix rand_delete unit test
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/tests.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/bcachefs/tests.c b/fs/bcachefs/tests.c
index b3fe9fc577470..bfec656f94c07 100644
--- a/fs/bcachefs/tests.c
+++ b/fs/bcachefs/tests.c
@@ -672,7 +672,7 @@ static int __do_delete(struct btree_trans *trans, struct bpos pos)
bch2_trans_iter_init(trans, &iter, BTREE_ID_xattrs, pos,
BTREE_ITER_INTENT);
- k = bch2_btree_iter_peek(&iter);
+ k = bch2_btree_iter_peek_upto(&iter, POS(0, U64_MAX));
ret = bkey_err(k);
if (ret)
goto err;
--
GitLab
From 752e3c53de0fa3b7d817a83050b6699b8e9c6ec9 Mon Sep 17 00:00:00 2001
From: Adam Goldman <adamg@pobox.com>
Date: Mon, 25 Mar 2024 07:38:41 +0900
Subject: [PATCH 2187/2686] firewire: ohci: mask bus reset interrupts between
ISR and bottom half
In the FireWire OHCI interrupt handler, if a bus reset interrupt has
occurred, mask bus reset interrupts until bus_reset_work has serviced and
cleared the interrupt.
Normally, we always leave bus reset interrupts masked. We infer the bus
reset from the self-ID interrupt that happens shortly thereafter. A
scenario where we unmask bus reset interrupts was introduced in 2008 in
a007bb857e0b26f5d8b73c2ff90782d9c0972620: If
OHCI_PARAM_DEBUG_BUSRESETS (8) is set in the debug parameter bitmask, we
will unmask bus reset interrupts so we can log them.
irq_handler logs the bus reset interrupt. However, we can't clear the bus
reset event flag in irq_handler, because we won't service the event until
later. irq_handler exits with the event flag still set. If the
corresponding interrupt is still unmasked, the first bus reset will
usually freeze the system due to irq_handler being called again each
time it exits. This freeze can be reproduced by loading firewire_ohci
with "modprobe firewire_ohci debug=-1" (to enable all debugging output).
Apparently there are also some cases where bus_reset_work will get called
soon enough to clear the event, and operation will continue normally.
This freeze was first reported a few months after a007bb85 was committed,
but until now it was never fixed. The debug level could safely be set
to -1 through sysfs after the module was loaded, but this would be
ineffectual in logging bus reset interrupts since they were only
unmasked during initialization.
irq_handler will now leave the event flag set but mask bus reset
interrupts, so irq_handler won't be called again and there will be no
freeze. If OHCI_PARAM_DEBUG_BUSRESETS is enabled, bus_reset_work will
unmask the interrupt after servicing the event, so future interrupts
will be caught as desired.
As a side effect to this change, OHCI_PARAM_DEBUG_BUSRESETS can now be
enabled through sysfs in addition to during initial module loading.
However, when enabled through sysfs, logging of bus reset interrupts will
be effective only starting with the second bus reset, after
bus_reset_work has executed.
Signed-off-by: Adam Goldman <adamg@pobox.com>
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
---
drivers/firewire/ohci.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 7bc71f4be64a0..38d19410a2be6 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -2060,6 +2060,8 @@ static void bus_reset_work(struct work_struct *work)
ohci->generation = generation;
reg_write(ohci, OHCI1394_IntEventClear, OHCI1394_busReset);
+ if (param_debug & OHCI_PARAM_DEBUG_BUSRESETS)
+ reg_write(ohci, OHCI1394_IntMaskSet, OHCI1394_busReset);
if (ohci->quirks & QUIRK_RESET_PACKET)
ohci->request_generation = generation;
@@ -2125,12 +2127,14 @@ static irqreturn_t irq_handler(int irq, void *data)
return IRQ_NONE;
/*
- * busReset and postedWriteErr must not be cleared yet
+ * busReset and postedWriteErr events must not be cleared yet
* (OHCI 1.1 clauses 7.2.3.2 and 13.2.8.1)
*/
reg_write(ohci, OHCI1394_IntEventClear,
event & ~(OHCI1394_busReset | OHCI1394_postedWriteErr));
log_irqs(ohci, event);
+ if (event & OHCI1394_busReset)
+ reg_write(ohci, OHCI1394_IntMaskClear, OHCI1394_busReset);
if (event & OHCI1394_selfIDComplete)
queue_work(selfid_workqueue, &ohci->bus_reset_work);
--
GitLab
From 97a54ef596c3fd24ec2b227ba8aaf2cf5415e779 Mon Sep 17 00:00:00 2001
From: Maurizio Lombardi <mlombard@redhat.com>
Date: Thu, 15 Feb 2024 15:39:43 +0100
Subject: [PATCH 2188/2686] scsi: target: Fix SELinux error when
systemd-modules loads the target module
If the systemd-modules service loads the target module, the credentials of
that userspace process will be used to validate the access to the target db
directory. SELinux will prevent it, reporting an error like the following:
kernel: audit: type=1400 audit(1676301082.205:4): avc: denied { read }
for pid=1020 comm="systemd-modules" name="target" dev="dm-3"
ino=4657583 scontext=system_u:system_r:systemd_modules_load_t:s0
tcontext=system_u:object_r:targetd_etc_rw_t:s0 tclass=dir permissive=0
Fix the error by using the kernel credentials to access the db directory
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Link: https://lore.kernel.org/r/20240215143944.847184-2-mlombard@redhat.com
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/target/target_core_configfs.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index c1fbcdd161826..c40217f44b1bc 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -3672,6 +3672,8 @@ static int __init target_core_init_configfs(void)
{
struct configfs_subsystem *subsys = &target_core_fabrics;
struct t10_alua_lu_gp *lu_gp;
+ struct cred *kern_cred;
+ const struct cred *old_cred;
int ret;
pr_debug("TARGET_CORE[0]: Loading Generic Kernel Storage"
@@ -3748,11 +3750,21 @@ static int __init target_core_init_configfs(void)
if (ret < 0)
goto out;
+ /* We use the kernel credentials to access the target directory */
+ kern_cred = prepare_kernel_cred(&init_task);
+ if (!kern_cred) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ old_cred = override_creds(kern_cred);
target_init_dbroot();
+ revert_creds(old_cred);
+ put_cred(kern_cred);
return 0;
out:
+ target_xcopy_release_pt();
configfs_unregister_subsystem(subsys);
core_dev_release_virtual_lun0();
rd_module_exit();
--
GitLab
From 358e919a351f2ea4b412e7dac6b1c23ec10bd4f5 Mon Sep 17 00:00:00 2001
From: Xiang Chen <chenxiang66@hisilicon.com>
Date: Tue, 2 Apr 2024 11:55:12 +0800
Subject: [PATCH 2189/2686] scsi: hisi_sas: Handle the NCQ error returned by
D2H frame
We find that some disks use D2H frame instead of SDB frame to return NCQ
error. Currently, only the I/O corresponding to the D2H frame is processed
in this scenario, which does not meet the processing requirements of the
NCQ error scenario. So we set dev_status to HISI_SAS_DEV_NCQ_ERR and abort
all I/Os of the disk in this scenario.
Co-developed-by: Xingui Yang <yangxingui@huawei.com>
Signed-off-by: Xingui Yang <yangxingui@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Link: https://lore.kernel.org/r/20240402035513.2024241-2-chenxiang66@hisilicon.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 7d2a33514538c..34f96cc35342b 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -2244,7 +2244,15 @@ slot_err_v3_hw(struct hisi_hba *hisi_hba, struct sas_task *task,
case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
if ((dw0 & CMPLT_HDR_RSPNS_XFRD_MSK) &&
(sipc_rx_err_type & RX_FIS_STATUS_ERR_MSK)) {
- ts->stat = SAS_PROTO_RESPONSE;
+ if (task->ata_task.use_ncq) {
+ struct domain_device *device = task->dev;
+ struct hisi_sas_device *sas_dev = device->lldd_dev;
+
+ sas_dev->dev_status = HISI_SAS_DEV_NCQ_ERR;
+ slot->abort = 1;
+ } else {
+ ts->stat = SAS_PROTO_RESPONSE;
+ }
} else if (dma_rx_err_type & RX_DATA_LEN_UNDERFLOW_MSK) {
ts->residual = trans_tx_fail_type;
ts->stat = SAS_DATA_UNDERRUN;
--
GitLab
From 0098c55e0881f0b32591f2110410d5c8b7f9bd5a Mon Sep 17 00:00:00 2001
From: Xiang Chen <chenxiang66@hisilicon.com>
Date: Tue, 2 Apr 2024 11:55:13 +0800
Subject: [PATCH 2190/2686] scsi: hisi_sas: Modify the deadline for
ata_wait_after_reset()
We found that the second parameter of function ata_wait_after_reset() is
incorrectly used. We call smp_ata_check_ready_type() to poll the device
type until the 30s timeout, so the correct deadline should be (jiffies +
30000).
Fixes: 3c2673a09cf1 ("scsi: hisi_sas: Fix SATA devices missing issue during I_T nexus reset")
Co-developed-by: xiabing <xiabing12@h-partners.com>
Signed-off-by: xiabing <xiabing12@h-partners.com>
Co-developed-by: Yihang Li <liyihang9@huawei.com>
Signed-off-by: Yihang Li <liyihang9@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Link: https://lore.kernel.org/r/20240402035513.2024241-3-chenxiang66@hisilicon.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/hisi_sas/hisi_sas_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 097dfe4b620dc..35f8e00850d6c 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -1797,7 +1797,7 @@ static int hisi_sas_debug_I_T_nexus_reset(struct domain_device *device)
if (dev_is_sata(device)) {
struct ata_link *link = &device->sata_dev.ap->link;
- rc = ata_wait_after_reset(link, HISI_SAS_WAIT_PHYUP_TIMEOUT,
+ rc = ata_wait_after_reset(link, jiffies + HISI_SAS_WAIT_PHYUP_TIMEOUT,
smp_ata_check_ready_type);
} else {
msleep(2000);
--
GitLab
From 4406e4176f47177f5e51b4cc7e6a7a2ff3dbfbbd Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Tue, 2 Apr 2024 12:56:54 +0300
Subject: [PATCH 2191/2686] scsi: qla2xxx: Fix off by one in
qla_edif_app_getstats()
The app_reply->elem[] array is allocated earlier in this function and it
has app_req.num_ports elements. Thus this > comparison needs to be >= to
prevent memory corruption.
Fixes: 7878f22a2e03 ("scsi: qla2xxx: edif: Add getfcinfo and statistic bsgs")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/5c125b2f-92dd-412b-9b6f-fc3a3207bd60@moroto.mountain
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/qla2xxx/qla_edif.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c
index 26e6b3e3af431..dcde55c8ee5de 100644
--- a/drivers/scsi/qla2xxx/qla_edif.c
+++ b/drivers/scsi/qla2xxx/qla_edif.c
@@ -1100,7 +1100,7 @@ qla_edif_app_getstats(scsi_qla_host_t *vha, struct bsg_job *bsg_job)
list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
if (fcport->edif.enable) {
- if (pcnt > app_req.num_ports)
+ if (pcnt >= app_req.num_ports)
break;
app_reply->elem[pcnt].rekey_count =
--
GitLab
From 978e5c19dfefc271e5550efba92fcef0d3f62864 Mon Sep 17 00:00:00 2001
From: Alexey Izbyshev <izbyshev@ispras.ru>
Date: Fri, 5 Apr 2024 15:55:51 +0300
Subject: [PATCH 2192/2686] io_uring: Fix io_cqring_wait() not restoring
sigmask on get_timespec64() failure
This bug was introduced in commit 950e79dd7313 ("io_uring: minor
io_cqring_wait() optimization"), which was made in preparation for
adc8682ec690 ("io_uring: Add support for napi_busy_poll"). The latter
got reverted in cb3182167325 ("Revert "io_uring: Add support for
napi_busy_poll""), so simply undo the former as well.
Cc: stable@vger.kernel.org
Fixes: 950e79dd7313 ("io_uring: minor io_cqring_wait() optimization")
Signed-off-by: Alexey Izbyshev <izbyshev@ispras.ru>
Link: https://lore.kernel.org/r/20240405125551.237142-1-izbyshev@ispras.ru
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/io_uring.c | 26 +++++++++++++-------------
1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 4521c2b66b98d..c170a2b8d2cf2 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -2602,19 +2602,6 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events,
if (__io_cqring_events_user(ctx) >= min_events)
return 0;
- if (sig) {
-#ifdef CONFIG_COMPAT
- if (in_compat_syscall())
- ret = set_compat_user_sigmask((const compat_sigset_t __user *)sig,
- sigsz);
- else
-#endif
- ret = set_user_sigmask(sig, sigsz);
-
- if (ret)
- return ret;
- }
-
init_waitqueue_func_entry(&iowq.wq, io_wake_function);
iowq.wq.private = current;
INIT_LIST_HEAD(&iowq.wq.entry);
@@ -2633,6 +2620,19 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events,
io_napi_adjust_timeout(ctx, &iowq, &ts);
}
+ if (sig) {
+#ifdef CONFIG_COMPAT
+ if (in_compat_syscall())
+ ret = set_compat_user_sigmask((const compat_sigset_t __user *)sig,
+ sigsz);
+ else
+#endif
+ ret = set_user_sigmask(sig, sigsz);
+
+ if (ret)
+ return ret;
+ }
+
io_napi_busy_loop(ctx, &iowq);
trace_io_uring_cqring_wait(ctx, min_events);
--
GitLab
From beaa51b36012fad5a4d3c18b88a617aea7a9b96d Mon Sep 17 00:00:00 2001
From: Rik van Riel <riel@surriel.com>
Date: Thu, 4 Apr 2024 12:32:53 -0400
Subject: [PATCH 2193/2686] blk-iocost: avoid out of bounds shift
UBSAN catches undefined behavior in blk-iocost, where sometimes
iocg->delay is shifted right by a number that is too large,
resulting in undefined behavior on some architectures.
[ 186.556576] ------------[ cut here ]------------
UBSAN: shift-out-of-bounds in block/blk-iocost.c:1366:23
shift exponent 64 is too large for 64-bit type 'u64' (aka 'unsigned long long')
CPU: 16 PID: 0 Comm: swapper/16 Tainted: G S E N 6.9.0-0_fbk700_debug_rc2_kbuilder_0_gc85af715cac0 #1
Hardware name: Quanta Twin Lakes MP/Twin Lakes Passive MP, BIOS F09_3A23 12/08/2020
Call Trace:
<IRQ>
dump_stack_lvl+0x8f/0xe0
__ubsan_handle_shift_out_of_bounds+0x22c/0x280
iocg_kick_delay+0x30b/0x310
ioc_timer_fn+0x2fb/0x1f80
__run_timer_base+0x1b6/0x250
...
Avoid that undefined behavior by simply taking the
"delay = 0" branch if the shift is too large.
I am not sure what the symptoms of an undefined value
delay will be, but I suspect it could be more than a
little annoying to debug.
Signed-off-by: Rik van Riel <riel@surriel.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Josef Bacik <josef@toxicpanda.com>
Cc: Jens Axboe <axboe@kernel.dk>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20240404123253.0f58010f@imladris.surriel.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/blk-iocost.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index 9a85bfbbc45a0..baa20c85799d5 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -1347,7 +1347,7 @@ static bool iocg_kick_delay(struct ioc_gq *iocg, struct ioc_now *now)
{
struct ioc *ioc = iocg->ioc;
struct blkcg_gq *blkg = iocg_to_blkg(iocg);
- u64 tdelta, delay, new_delay;
+ u64 tdelta, delay, new_delay, shift;
s64 vover, vover_pct;
u32 hwa;
@@ -1362,8 +1362,9 @@ static bool iocg_kick_delay(struct ioc_gq *iocg, struct ioc_now *now)
/* calculate the current delay in effect - 1/2 every second */
tdelta = now->now - iocg->delay_at;
- if (iocg->delay)
- delay = iocg->delay >> div64_u64(tdelta, USEC_PER_SEC);
+ shift = div64_u64(tdelta, USEC_PER_SEC);
+ if (iocg->delay && shift < BITS_PER_LONG)
+ delay = iocg->delay >> shift;
else
delay = 0;
--
GitLab
From 4539f91f2a801c0c028c252bffae56030cfb2cae Mon Sep 17 00:00:00 2001
From: Ilya Maximets <i.maximets@ovn.org>
Date: Wed, 3 Apr 2024 22:38:01 +0200
Subject: [PATCH 2194/2686] net: openvswitch: fix unwanted error log on timeout
policy probing
On startup, ovs-vswitchd probes different datapath features including
support for timeout policies. While probing, it tries to execute
certain operations with OVS_PACKET_ATTR_PROBE or OVS_FLOW_ATTR_PROBE
attributes set. These attributes tell the openvswitch module to not
log any errors when they occur as it is expected that some of the
probes will fail.
For some reason, setting the timeout policy ignores the PROBE attribute
and logs a failure anyway. This is causing the following kernel log
on each re-start of ovs-vswitchd:
kernel: Failed to associated timeout policy `ovs_test_tp'
Fix that by using the same logging macro that all other messages are
using. The message will still be printed at info level when needed
and will be rate limited, but with a net rate limiter instead of
generic printk one.
The nf_ct_set_timeout() itself will still print some info messages,
but at least this change makes logging in openvswitch module more
consistent.
Fixes: 06bd2bdf19d2 ("openvswitch: Add timeout support to ct action")
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Link: https://lore.kernel.org/r/20240403203803.2137962-1-i.maximets@ovn.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/openvswitch/conntrack.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 3019a4406ca4f..74b63cdb59923 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -1380,8 +1380,9 @@ int ovs_ct_copy_action(struct net *net, const struct nlattr *attr,
if (ct_info.timeout[0]) {
if (nf_ct_set_timeout(net, ct_info.ct, family, key->ip.proto,
ct_info.timeout))
- pr_info_ratelimited("Failed to associated timeout "
- "policy `%s'\n", ct_info.timeout);
+ OVS_NLERR(log,
+ "Failed to associated timeout policy '%s'",
+ ct_info.timeout);
else
ct_info.nf_ct_timeout = rcu_dereference(
nf_ct_timeout_find(ct_info.ct)->timeout);
--
GitLab
From 38a15d0a50e0a43778561a5861403851f0b0194c Mon Sep 17 00:00:00 2001
From: Petr Tesarik <petr@tesarici.cz>
Date: Thu, 4 Apr 2024 09:57:40 +0200
Subject: [PATCH 2195/2686] u64_stats: fix u64_stats_init() for lockdep when
used repeatedly in one file
Fix bogus lockdep warnings if multiple u64_stats_sync variables are
initialized in the same file.
With CONFIG_LOCKDEP, seqcount_init() is a macro which declares:
static struct lock_class_key __key;
Since u64_stats_init() is a function (albeit an inline one), all calls
within the same file end up using the same instance, effectively treating
them all as a single lock-class.
Fixes: 9464ca650008 ("net: make u64_stats_init() a function")
Closes: https://lore.kernel.org/netdev/ea1567d9-ce66-45e6-8168-ac40a47d1821@roeck-us.net/
Signed-off-by: Petr Tesarik <petr@tesarici.cz>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240404075740.30682-1-petr@tesarici.cz
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
include/linux/u64_stats_sync.h | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/include/linux/u64_stats_sync.h b/include/linux/u64_stats_sync.h
index ffe48e69b3f3a..457879938fc19 100644
--- a/include/linux/u64_stats_sync.h
+++ b/include/linux/u64_stats_sync.h
@@ -135,10 +135,11 @@ static inline void u64_stats_inc(u64_stats_t *p)
p->v++;
}
-static inline void u64_stats_init(struct u64_stats_sync *syncp)
-{
- seqcount_init(&syncp->seq);
-}
+#define u64_stats_init(syncp) \
+ do { \
+ struct u64_stats_sync *__s = (syncp); \
+ seqcount_init(&__s->seq); \
+ } while (0)
static inline void __u64_stats_update_begin(struct u64_stats_sync *syncp)
{
--
GitLab
From 237f3cf13b20db183d3706d997eedc3c49eacd44 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Thu, 4 Apr 2024 20:27:38 +0000
Subject: [PATCH 2196/2686] xsk: validate user input for
XDP_{UMEM|COMPLETION}_FILL_RING
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
syzbot reported an illegal copy in xsk_setsockopt() [1]
Make sure to validate setsockopt() @optlen parameter.
[1]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]
BUG: KASAN: slab-out-of-bounds in xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420
Read of size 4 at addr ffff888028c6cde3 by task syz-executor.0/7549
CPU: 0 PID: 7549 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x169/0x550 mm/kasan/report.c:488
kasan_report+0x143/0x180 mm/kasan/report.c:601
copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
copy_from_sockptr include/linux/sockptr.h:55 [inline]
xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420
do_sock_setsockopt+0x3af/0x720 net/socket.c:2311
__sys_setsockopt+0x1ae/0x250 net/socket.c:2334
__do_sys_setsockopt net/socket.c:2343 [inline]
__se_sys_setsockopt net/socket.c:2340 [inline]
__x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fb40587de69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb40665a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fb4059abf80 RCX: 00007fb40587de69
RDX: 0000000000000005 RSI: 000000000000011b RDI: 0000000000000006
RBP: 00007fb4058ca47a R08: 0000000000000002 R09: 0000000000000000
R10: 0000000020001980 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fb4059abf80 R15: 00007fff57ee4d08
</TASK>
Allocated by task 7549:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slub.c:3966 [inline]
__kmalloc+0x233/0x4a0 mm/slub.c:3979
kmalloc include/linux/slab.h:632 [inline]
__cgroup_bpf_run_filter_setsockopt+0xd2f/0x1040 kernel/bpf/cgroup.c:1869
do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293
__sys_setsockopt+0x1ae/0x250 net/socket.c:2334
__do_sys_setsockopt net/socket.c:2343 [inline]
__se_sys_setsockopt net/socket.c:2340 [inline]
__x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
The buggy address belongs to the object at ffff888028c6cde0
which belongs to the cache kmalloc-8 of size 8
The buggy address is located 1 bytes to the right of
allocated 2-byte region [ffff888028c6cde0, ffff888028c6cde2)
The buggy address belongs to the physical page:
page:ffffea0000a31b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888028c6c9c0 pfn:0x28c6c
anon flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000800 ffff888014c41280 0000000000000000 dead000000000001
raw: ffff888028c6c9c0 0000000080800057 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 6648, tgid 6644 (syz-executor.0), ts 133906047828, free_ts 133859922223
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533
prep_new_page mm/page_alloc.c:1540 [inline]
get_page_from_freelist+0x33ea/0x3580 mm/page_alloc.c:3311
__alloc_pages+0x256/0x680 mm/page_alloc.c:4569
__alloc_pages_node include/linux/gfp.h:238 [inline]
alloc_pages_node include/linux/gfp.h:261 [inline]
alloc_slab_page+0x5f/0x160 mm/slub.c:2175
allocate_slab mm/slub.c:2338 [inline]
new_slab+0x84/0x2f0 mm/slub.c:2391
___slab_alloc+0xc73/0x1260 mm/slub.c:3525
__slab_alloc mm/slub.c:3610 [inline]
__slab_alloc_node mm/slub.c:3663 [inline]
slab_alloc_node mm/slub.c:3835 [inline]
__do_kmalloc_node mm/slub.c:3965 [inline]
__kmalloc_node+0x2db/0x4e0 mm/slub.c:3973
kmalloc_node include/linux/slab.h:648 [inline]
__vmalloc_area_node mm/vmalloc.c:3197 [inline]
__vmalloc_node_range+0x5f9/0x14a0 mm/vmalloc.c:3392
__vmalloc_node mm/vmalloc.c:3457 [inline]
vzalloc+0x79/0x90 mm/vmalloc.c:3530
bpf_check+0x260/0x19010 kernel/bpf/verifier.c:21162
bpf_prog_load+0x1667/0x20f0 kernel/bpf/syscall.c:2895
__sys_bpf+0x4ee/0x810 kernel/bpf/syscall.c:5631
__do_sys_bpf kernel/bpf/syscall.c:5738 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5736 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5736
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
page last free pid 6650 tgid 6647 stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1140 [inline]
free_unref_page_prepare+0x95d/0xa80 mm/page_alloc.c:2346
free_unref_page_list+0x5a3/0x850 mm/page_alloc.c:2532
release_pages+0x2117/0x2400 mm/swap.c:1042
tlb_batch_pages_flush mm/mmu_gather.c:98 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
tlb_flush_mmu+0x34d/0x4e0 mm/mmu_gather.c:300
tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:392
exit_mmap+0x4b6/0xd40 mm/mmap.c:3300
__mmput+0x115/0x3c0 kernel/fork.c:1345
exit_mm+0x220/0x310 kernel/exit.c:569
do_exit+0x99e/0x27e0 kernel/exit.c:865
do_group_exit+0x207/0x2c0 kernel/exit.c:1027
get_signal+0x176e/0x1850 kernel/signal.c:2907
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:105 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
syscall_exit_to_user_mode+0xc9/0x360 kernel/entry/common.c:212
do_syscall_64+0x10a/0x240 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x6d/0x75
Memory state around the buggy address:
ffff888028c6cc80: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc
ffff888028c6cd00: fa fc fc fc fa fc fc fc 00 fc fc fc 06 fc fc fc
>ffff888028c6cd80: fa fc fc fc fa fc fc fc fa fc fc fc 02 fc fc fc
^
ffff888028c6ce00: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc
ffff888028c6ce80: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc
Fixes: 423f38329d26 ("xsk: add umem fill queue support and mmap")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: "Björn Töpel" <bjorn@kernel.org>
Cc: Magnus Karlsson <magnus.karlsson@intel.com>
Cc: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Cc: Jonathan Lemon <jonathan.lemon@gmail.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20240404202738.3634547-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/xdp/xsk.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index 3404d076a8a3e..727aa20be4bde 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -1417,6 +1417,8 @@ static int xsk_setsockopt(struct socket *sock, int level, int optname,
struct xsk_queue **q;
int entries;
+ if (optlen < sizeof(entries))
+ return -EINVAL;
if (copy_from_sockptr(&entries, optval, sizeof(entries)))
return -EFAULT;
--
GitLab
From b377c66ae3509ccea596512d6afb4777711c4870 Mon Sep 17 00:00:00 2001
From: "Borislav Petkov (AMD)" <bp@alien8.de>
Date: Fri, 5 Apr 2024 16:46:37 +0200
Subject: [PATCH 2197/2686] x86/retpoline: Add NOENDBR annotation to the SRSO
dummy return thunk
srso_alias_untrain_ret() is special code, even if it is a dummy
which is called in the !SRSO case, so annotate it like its real
counterpart, to address the following objtool splat:
vmlinux.o: warning: objtool: .export_symbol+0x2b290: data relocation to !ENDBR: srso_alias_untrain_ret+0x0
Fixes: 4535e1a4174c ("x86/bugs: Fix the SRSO mitigation on Zen3/4")
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240405144637.17908-1-bp@kernel.org
---
arch/x86/lib/retpoline.S | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S
index 0795b3464058b..e674ccf720b9f 100644
--- a/arch/x86/lib/retpoline.S
+++ b/arch/x86/lib/retpoline.S
@@ -229,6 +229,7 @@ SYM_CODE_END(srso_return_thunk)
/* Dummy for the alternative in CALL_UNTRAIN_RET. */
SYM_CODE_START(srso_alias_untrain_ret)
ANNOTATE_UNRET_SAFE
+ ANNOTATE_NOENDBR
ret
int3
SYM_FUNC_END(srso_alias_untrain_ret)
--
GitLab
From 374b3d38feff4a1cb4ecadace9bd915ffd91fe4b Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 5 Apr 2024 22:23:29 -0400
Subject: [PATCH 2198/2686] bcachefs: Fix BCH_IOCTL_FSCK_OFFLINE for encrypted
filesystems
To open an encrypted filesystem, we use request_key() to get the
encryption key from the user's keyring - but request_key() needs to
happen in the context of the process that invoked the ioctl.
This easily fixed by using bch2_fs_open() in nostart mode.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/chardev.c | 94 +++++++++++++++++++++++--------------------
1 file changed, 50 insertions(+), 44 deletions(-)
diff --git a/fs/bcachefs/chardev.c b/fs/bcachefs/chardev.c
index cbfa6459bdbce..1e033df330b0d 100644
--- a/fs/bcachefs/chardev.c
+++ b/fs/bcachefs/chardev.c
@@ -134,42 +134,38 @@ static long bch2_ioctl_incremental(struct bch_ioctl_incremental __user *user_arg
struct fsck_thread {
struct thread_with_stdio thr;
struct bch_fs *c;
- char **devs;
- size_t nr_devs;
struct bch_opts opts;
};
static void bch2_fsck_thread_exit(struct thread_with_stdio *_thr)
{
struct fsck_thread *thr = container_of(_thr, struct fsck_thread, thr);
- if (thr->devs)
- for (size_t i = 0; i < thr->nr_devs; i++)
- kfree(thr->devs[i]);
- kfree(thr->devs);
kfree(thr);
}
static int bch2_fsck_offline_thread_fn(struct thread_with_stdio *stdio)
{
struct fsck_thread *thr = container_of(stdio, struct fsck_thread, thr);
- struct bch_fs *c = bch2_fs_open(thr->devs, thr->nr_devs, thr->opts);
-
- if (IS_ERR(c))
- return PTR_ERR(c);
+ struct bch_fs *c = thr->c;
- int ret = 0;
- if (test_bit(BCH_FS_errors_fixed, &c->flags))
- ret |= 1;
- if (test_bit(BCH_FS_error, &c->flags))
- ret |= 4;
+ int ret = PTR_ERR_OR_ZERO(c);
+ if (ret)
+ return ret;
- bch2_fs_stop(c);
+ ret = bch2_fs_start(thr->c);
+ if (ret)
+ goto err;
- if (ret & 1)
+ if (test_bit(BCH_FS_errors_fixed, &c->flags)) {
bch2_stdio_redirect_printf(&stdio->stdio, false, "%s: errors fixed\n", c->name);
- if (ret & 4)
+ ret |= 1;
+ }
+ if (test_bit(BCH_FS_error, &c->flags)) {
bch2_stdio_redirect_printf(&stdio->stdio, false, "%s: still has errors\n", c->name);
-
+ ret |= 4;
+ }
+err:
+ bch2_fs_stop(c);
return ret;
}
@@ -182,7 +178,7 @@ static long bch2_ioctl_fsck_offline(struct bch_ioctl_fsck_offline __user *user_a
{
struct bch_ioctl_fsck_offline arg;
struct fsck_thread *thr = NULL;
- u64 *devs = NULL;
+ darray_str(devs) = {};
long ret = 0;
if (copy_from_user(&arg, user_arg, sizeof(arg)))
@@ -194,29 +190,32 @@ static long bch2_ioctl_fsck_offline(struct bch_ioctl_fsck_offline __user *user_a
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- if (!(devs = kcalloc(arg.nr_devs, sizeof(*devs), GFP_KERNEL)) ||
- !(thr = kzalloc(sizeof(*thr), GFP_KERNEL)) ||
- !(thr->devs = kcalloc(arg.nr_devs, sizeof(*thr->devs), GFP_KERNEL))) {
- ret = -ENOMEM;
- goto err;
- }
+ for (size_t i = 0; i < arg.nr_devs; i++) {
+ u64 dev_u64;
+ ret = copy_from_user_errcode(&dev_u64, &user_arg->devs[i], sizeof(u64));
+ if (ret)
+ goto err;
- thr->opts = bch2_opts_empty();
- thr->nr_devs = arg.nr_devs;
+ char *dev_str = strndup_user((char __user *)(unsigned long) dev_u64, PATH_MAX);
+ ret = PTR_ERR_OR_ZERO(dev_str);
+ if (ret)
+ goto err;
- if (copy_from_user(devs, &user_arg->devs[0],
- array_size(sizeof(user_arg->devs[0]), arg.nr_devs))) {
- ret = -EINVAL;
- goto err;
+ ret = darray_push(&devs, dev_str);
+ if (ret) {
+ kfree(dev_str);
+ goto err;
+ }
}
- for (size_t i = 0; i < arg.nr_devs; i++) {
- thr->devs[i] = strndup_user((char __user *)(unsigned long) devs[i], PATH_MAX);
- ret = PTR_ERR_OR_ZERO(thr->devs[i]);
- if (ret)
- goto err;
+ thr = kzalloc(sizeof(*thr), GFP_KERNEL);
+ if (!thr) {
+ ret = -ENOMEM;
+ goto err;
}
+ thr->opts = bch2_opts_empty();
+
if (arg.opts) {
char *optstr = strndup_user((char __user *)(unsigned long) arg.opts, 1 << 16);
@@ -230,15 +229,22 @@ static long bch2_ioctl_fsck_offline(struct bch_ioctl_fsck_offline __user *user_a
opt_set(thr->opts, stdio, (u64)(unsigned long)&thr->thr.stdio);
+ /* We need request_key() to be called before we punt to kthread: */
+ opt_set(thr->opts, nostart, true);
+
+ thr->c = bch2_fs_open(devs.data, arg.nr_devs, thr->opts);
+
ret = bch2_run_thread_with_stdio(&thr->thr, &bch2_offline_fsck_ops);
-err:
- if (ret < 0) {
- if (thr)
- bch2_fsck_thread_exit(&thr->thr);
- pr_err("ret %s", bch2_err_str(ret));
- }
- kfree(devs);
+out:
+ darray_for_each(devs, i)
+ kfree(*i);
+ darray_exit(&devs);
return ret;
+err:
+ if (thr)
+ bch2_fsck_thread_exit(&thr->thr);
+ pr_err("ret %s", bch2_err_str(ret));
+ goto out;
}
static long bch2_global_ioctl(unsigned cmd, void __user *arg)
--
GitLab
From 05801b6526156aefe55c0440fab877109c9a89c5 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 5 Apr 2024 22:30:30 -0400
Subject: [PATCH 2199/2686] bcachefs: Disable errors=panic for
BCH_IOCTL_FSCK_OFFLINE
BCH_IOCTL_FSCK_OFFLINE allows the userspace fsck tool to use the kernel
implementation of fsck - primarily when the kernel version is a better
version match.
It should look and act exactly like the normal userspace fsck that the
user expected to be invoking, so errors should never result in a kernel
panic.
We may want to consider further restricting errors=panic - it's only
intended for debugging in controlled test environments, it should have
no purpose it normal usage.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/chardev.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/fs/bcachefs/chardev.c b/fs/bcachefs/chardev.c
index 1e033df330b0d..72781aad6ba70 100644
--- a/fs/bcachefs/chardev.c
+++ b/fs/bcachefs/chardev.c
@@ -234,6 +234,10 @@ static long bch2_ioctl_fsck_offline(struct bch_ioctl_fsck_offline __user *user_a
thr->c = bch2_fs_open(devs.data, arg.nr_devs, thr->opts);
+ if (!IS_ERR(thr->c) &&
+ thr->c->opts.errors == BCH_ON_ERROR_panic)
+ thr->c->opts.errors = BCH_ON_ERROR_ro;
+
ret = bch2_run_thread_with_stdio(&thr->thr, &bch2_offline_fsck_ops);
out:
darray_for_each(devs, i)
--
GitLab
From 6088234ce83acec4aaf56ecc0e9525bac18b4295 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 5 Apr 2024 23:27:27 -0400
Subject: [PATCH 2200/2686] bcachefs: JOURNAL_SPACE_LOW
"bcachefs; Fix deadlock in bch2_btree_update_start()" was a significant
performance regression (nearly 50%) on multithreaded random writes with
fio.
The reason is that the journal watermark checks multiple things,
including the state of the btree write buffer, and on multithreaded
update heavy workloads we're bottleneked on write buffer flushing - we
don't want kicknig off btree updates to depend on the state of the write
buffer.
This isn't strictly correct; the interior btree update path does do
write buffer updates, but it's a tiny fraction of total accounting
updates and we're more concerned with space in the journal itself.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_key_cache.c | 2 +-
fs/bcachefs/btree_update_interior.c | 18 +++++++-----------
fs/bcachefs/journal_reclaim.c | 2 ++
fs/bcachefs/journal_types.h | 1 +
fs/bcachefs/util.h | 8 ++++++++
5 files changed, 19 insertions(+), 12 deletions(-)
diff --git a/fs/bcachefs/btree_key_cache.c b/fs/bcachefs/btree_key_cache.c
index 581edcb0911bf..4ae7890f07c6e 100644
--- a/fs/bcachefs/btree_key_cache.c
+++ b/fs/bcachefs/btree_key_cache.c
@@ -659,7 +659,7 @@ static int btree_key_cache_flush_pos(struct btree_trans *trans,
commit_flags |= BCH_WATERMARK_reclaim;
if (ck->journal.seq != journal_last_seq(j) ||
- j->watermark == BCH_WATERMARK_stripe)
+ !test_bit(JOURNAL_SPACE_LOW, &c->journal.flags))
commit_flags |= BCH_TRANS_COMMIT_no_journal_res;
ret = bch2_btree_iter_traverse(&b_iter) ?:
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 24fbd5be70a20..a4a63e363047d 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -1125,18 +1125,14 @@ bch2_btree_update_start(struct btree_trans *trans, struct btree_path *path,
flags &= ~BCH_WATERMARK_MASK;
flags |= watermark;
- if (watermark < c->journal.watermark) {
- struct journal_res res = { 0 };
- unsigned journal_flags = watermark|JOURNAL_RES_GET_CHECK;
+ if (watermark < BCH_WATERMARK_reclaim &&
+ test_bit(JOURNAL_SPACE_LOW, &c->journal.flags)) {
+ if (flags & BCH_TRANS_COMMIT_journal_reclaim)
+ return ERR_PTR(-BCH_ERR_journal_reclaim_would_deadlock);
- if ((flags & BCH_TRANS_COMMIT_journal_reclaim) &&
- watermark < BCH_WATERMARK_reclaim)
- journal_flags |= JOURNAL_RES_GET_NONBLOCK;
-
- ret = drop_locks_do(trans,
- bch2_journal_res_get(&c->journal, &res, 1, journal_flags));
- if (bch2_err_matches(ret, BCH_ERR_operation_blocked))
- ret = -BCH_ERR_journal_reclaim_would_deadlock;
+ bch2_trans_unlock(trans);
+ wait_event(c->journal.wait, !test_bit(JOURNAL_SPACE_LOW, &c->journal.flags));
+ ret = bch2_trans_relock(trans);
if (ret)
return ERR_PTR(ret);
}
diff --git a/fs/bcachefs/journal_reclaim.c b/fs/bcachefs/journal_reclaim.c
index ab811c0dad26a..04a577848b015 100644
--- a/fs/bcachefs/journal_reclaim.c
+++ b/fs/bcachefs/journal_reclaim.c
@@ -67,6 +67,8 @@ void bch2_journal_set_watermark(struct journal *j)
track_event_change(&c->times[BCH_TIME_blocked_write_buffer_full], low_on_wb))
trace_and_count(c, journal_full, c);
+ mod_bit(JOURNAL_SPACE_LOW, &j->flags, low_on_space || low_on_pin);
+
swap(watermark, j->watermark);
if (watermark > j->watermark)
journal_wake(j);
diff --git a/fs/bcachefs/journal_types.h b/fs/bcachefs/journal_types.h
index 8c053cb64ca5e..b5161b5d76a00 100644
--- a/fs/bcachefs/journal_types.h
+++ b/fs/bcachefs/journal_types.h
@@ -134,6 +134,7 @@ enum journal_flags {
JOURNAL_STARTED,
JOURNAL_MAY_SKIP_FLUSH,
JOURNAL_NEED_FLUSH_WRITE,
+ JOURNAL_SPACE_LOW,
};
/* Reasons we may fail to get a journal reservation: */
diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h
index de639e8a3ab53..5cf885b09986a 100644
--- a/fs/bcachefs/util.h
+++ b/fs/bcachefs/util.h
@@ -788,6 +788,14 @@ static inline int copy_from_user_errcode(void *to, const void __user *from, unsi
#endif
+static inline void mod_bit(long nr, volatile unsigned long *addr, bool v)
+{
+ if (v)
+ set_bit(nr, addr);
+ else
+ clear_bit(nr, addr);
+}
+
static inline void __set_bit_le64(size_t bit, __le64 *addr)
{
addr[bit / 64] |= cpu_to_le64(BIT_ULL(bit % 64));
--
GitLab
From aa98e70fc6c97f39a7bd68cb1e641ca50d4f9423 Mon Sep 17 00:00:00 2001
From: Bagas Sanjaya <bagasdotme@gmail.com>
Date: Fri, 5 Apr 2024 14:23:18 +0700
Subject: [PATCH 2201/2686] Documentation: filesystems: Add bcachefs toctree
Commit eb386617be4bdf ("bcachefs: Errcode tracepoint, documentation")
adds initial bcachefs documentation (private error codes) but without
any table of contents tree for the filesystem docs, hence Sphinx warns:
Documentation/filesystems/bcachefs/errorcodes.rst: WARNING: document isn't included in any toctree
Add bcachefs toctree to fix above warning.
Fixes: eb386617be4b ("bcachefs: Errcode tracepoint, documentation")
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
Documentation/filesystems/bcachefs/index.rst | 11 +++++++++++
Documentation/filesystems/index.rst | 1 +
2 files changed, 12 insertions(+)
create mode 100644 Documentation/filesystems/bcachefs/index.rst
diff --git a/Documentation/filesystems/bcachefs/index.rst b/Documentation/filesystems/bcachefs/index.rst
new file mode 100644
index 0000000000000..e2bd61ccd96ff
--- /dev/null
+++ b/Documentation/filesystems/bcachefs/index.rst
@@ -0,0 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+======================
+bcachefs Documentation
+======================
+
+.. toctree::
+ :maxdepth: 2
+ :numbered:
+
+ errorcodes
diff --git a/Documentation/filesystems/index.rst b/Documentation/filesystems/index.rst
index 0ea1e44fa0282..1f9b4c905a6a7 100644
--- a/Documentation/filesystems/index.rst
+++ b/Documentation/filesystems/index.rst
@@ -69,6 +69,7 @@ Documentation for filesystem implementations.
afs
autofs
autofs-mount-control
+ bcachefs/index
befs
bfs
btrfs
--
GitLab
From 7d83cf53c77c8fdc0a8033e1472ac62745fac2ac Mon Sep 17 00:00:00 2001
From: Bagas Sanjaya <bagasdotme@gmail.com>
Date: Fri, 5 Apr 2024 14:23:19 +0700
Subject: [PATCH 2202/2686] MAINTAINERS: Add entry for bcachefs documentation
Now that bcachefs docs exist in Documentation/filesystems/bcachefs/,
cover it in MAINTAINERS entry for the filesystem.
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
MAINTAINERS | 1 +
1 file changed, 1 insertion(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 7c121493f43d0..c0091a206fd20 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3573,6 +3573,7 @@ S: Supported
C: irc://irc.oftc.net/bcache
T: git https://evilpiepirate.org/git/bcachefs.git
F: fs/bcachefs/
+F: Documentation/filesystems/bcachefs/
BDISP ST MEDIA DRIVER
M: Fabien Dessenne <fabien.dessenne@foss.st.com>
--
GitLab
From 2d793e9315e335ef299024fe8bf7742c9c974b33 Mon Sep 17 00:00:00 2001
From: Thorsten Blum <thorsten.blum@toblux.com>
Date: Sat, 6 Apr 2024 16:19:20 +0200
Subject: [PATCH 2203/2686] bcachefs: Rename struct field swap to prevent macro
naming collision
The struct field swap can collide with the swap() macro defined in
linux/minmax.h. Rename the struct field to prevent such collisions.
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/eytzinger.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/bcachefs/eytzinger.c b/fs/bcachefs/eytzinger.c
index 4ce5e957a6e91..0f955c3c76a7b 100644
--- a/fs/bcachefs/eytzinger.c
+++ b/fs/bcachefs/eytzinger.c
@@ -115,7 +115,7 @@ static void swap_bytes(void *a, void *b, size_t n)
struct wrapper {
cmp_func_t cmp;
- swap_func_t swap;
+ swap_func_t swap_func;
};
/*
@@ -125,7 +125,7 @@ struct wrapper {
static void do_swap(void *a, void *b, size_t size, swap_r_func_t swap_func, const void *priv)
{
if (swap_func == SWAP_WRAPPER) {
- ((const struct wrapper *)priv)->swap(a, b, (int)size);
+ ((const struct wrapper *)priv)->swap_func(a, b, (int)size);
return;
}
@@ -174,7 +174,7 @@ void eytzinger0_sort_r(void *base, size_t n, size_t size,
int i, c, r;
/* called from 'sort' without swap function, let's pick the default */
- if (swap_func == SWAP_WRAPPER && !((struct wrapper *)priv)->swap)
+ if (swap_func == SWAP_WRAPPER && !((struct wrapper *)priv)->swap_func)
swap_func = NULL;
if (!swap_func) {
@@ -227,7 +227,7 @@ void eytzinger0_sort(void *base, size_t n, size_t size,
{
struct wrapper w = {
.cmp = cmp_func,
- .swap = swap_func,
+ .swap_func = swap_func,
};
return eytzinger0_sort_r(base, n, size, _CMP_WRAPPER, SWAP_WRAPPER, &w);
--
GitLab
From 30e615a2ce6601d85729caefd8ac15634f848e59 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 6 Apr 2024 21:45:46 -0400
Subject: [PATCH 2204/2686] bcachefs: Fix gap buffer bug in
bch2_journal_key_insert_take()
Multiple bug fixes for journal iters:
- When the journal keys gap buffer is resized, we have to adjust the
iterators for moving the gap to the end
- We don't want to rewind iterators to point to the key we just
inserted if it's not for the correct btree/level
Also, add some new assertions.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_journal_iter.c | 55 ++++++++++++++++++++++++++------
1 file changed, 45 insertions(+), 10 deletions(-)
diff --git a/fs/bcachefs/btree_journal_iter.c b/fs/bcachefs/btree_journal_iter.c
index 5cbcbfe85235b..a6413a8747d3c 100644
--- a/fs/bcachefs/btree_journal_iter.c
+++ b/fs/bcachefs/btree_journal_iter.c
@@ -130,12 +130,30 @@ struct bkey_i *bch2_journal_keys_peek_slot(struct bch_fs *c, enum btree_id btree
return bch2_journal_keys_peek_upto(c, btree_id, level, pos, pos, &idx);
}
+static void journal_iter_verify(struct journal_iter *iter)
+{
+ struct journal_keys *keys = iter->keys;
+ size_t gap_size = keys->size - keys->nr;
+
+ BUG_ON(iter->idx >= keys->gap &&
+ iter->idx < keys->gap + gap_size);
+
+ if (iter->idx < keys->size) {
+ struct journal_key *k = keys->data + iter->idx;
+
+ int cmp = cmp_int(k->btree_id, iter->btree_id) ?:
+ cmp_int(k->level, iter->level);
+ BUG_ON(cmp < 0);
+ }
+}
+
static void journal_iters_fix(struct bch_fs *c)
{
struct journal_keys *keys = &c->journal_keys;
/* The key we just inserted is immediately before the gap: */
size_t gap_end = keys->gap + (keys->size - keys->nr);
- struct btree_and_journal_iter *iter;
+ struct journal_key *new_key = &keys->data[keys->gap - 1];
+ struct journal_iter *iter;
/*
* If an iterator points one after the key we just inserted, decrement
@@ -143,9 +161,14 @@ static void journal_iters_fix(struct bch_fs *c)
* decrement was unnecessary, bch2_btree_and_journal_iter_peek() will
* handle that:
*/
- list_for_each_entry(iter, &c->journal_iters, journal.list)
- if (iter->journal.idx == gap_end)
- iter->journal.idx = keys->gap - 1;
+ list_for_each_entry(iter, &c->journal_iters, list) {
+ journal_iter_verify(iter);
+ if (iter->idx == gap_end &&
+ new_key->btree_id == iter->btree_id &&
+ new_key->level == iter->level)
+ iter->idx = keys->gap - 1;
+ journal_iter_verify(iter);
+ }
}
static void journal_iters_move_gap(struct bch_fs *c, size_t old_gap, size_t new_gap)
@@ -192,7 +215,12 @@ int bch2_journal_key_insert_take(struct bch_fs *c, enum btree_id id,
if (idx > keys->gap)
idx -= keys->size - keys->nr;
+ size_t old_gap = keys->gap;
+
if (keys->nr == keys->size) {
+ journal_iters_move_gap(c, old_gap, keys->size);
+ old_gap = keys->size;
+
struct journal_keys new_keys = {
.nr = keys->nr,
.size = max_t(size_t, keys->size, 8) * 2,
@@ -216,7 +244,7 @@ int bch2_journal_key_insert_take(struct bch_fs *c, enum btree_id id,
keys->gap = keys->nr;
}
- journal_iters_move_gap(c, keys->gap, idx);
+ journal_iters_move_gap(c, old_gap, idx);
move_gap(keys, idx);
@@ -301,16 +329,21 @@ static void bch2_journal_iter_advance(struct journal_iter *iter)
static struct bkey_s_c bch2_journal_iter_peek(struct journal_iter *iter)
{
- struct journal_key *k = iter->keys->data + iter->idx;
+ journal_iter_verify(iter);
+
+ while (iter->idx < iter->keys->size) {
+ struct journal_key *k = iter->keys->data + iter->idx;
+
+ int cmp = cmp_int(k->btree_id, iter->btree_id) ?:
+ cmp_int(k->level, iter->level);
+ if (cmp > 0)
+ break;
+ BUG_ON(cmp);
- while (k < iter->keys->data + iter->keys->size &&
- k->btree_id == iter->btree_id &&
- k->level == iter->level) {
if (!k->overwritten)
return bkey_i_to_s_c(k->k);
bch2_journal_iter_advance(iter);
- k = iter->keys->data + iter->idx;
}
return bkey_s_c_null;
@@ -330,6 +363,8 @@ static void bch2_journal_iter_init(struct bch_fs *c,
iter->level = level;
iter->keys = &c->journal_keys;
iter->idx = bch2_journal_key_search(&c->journal_keys, id, level, pos);
+
+ journal_iter_verify(iter);
}
static struct bkey_s_c bch2_journal_iter_peek_btree(struct btree_and_journal_iter *iter)
--
GitLab
From 84471d01c92c33b3f4cedfe319639ecf7f8fc4c5 Mon Sep 17 00:00:00 2001
From: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Date: Fri, 5 Apr 2024 22:06:35 +0100
Subject: [PATCH 2205/2686] ALSA: hda/realtek: Add quirk for HP SnowWhite
laptops
Add support for HP SnowWhite laptops with CS35L51 amplifiers on I2C
bus connected to Realtek codec.
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Message-ID: <20240405210635.22193-1-vitalyr@opensource.cirrus.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/patch_realtek.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index cdcb28aa9d7bf..d6940bc4ec393 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10084,6 +10084,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x8ca7, "HP ZBook Fury", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8cdd, "HP Spectre", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x103c, 0x8cde, "HP Spectre", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x103c, 0x8cdf, "HP SnowWhite", ALC287_FIXUP_CS35L41_I2C_2_HP_GPIO_LED),
+ SND_PCI_QUIRK(0x103c, 0x8ce0, "HP SnowWhite", ALC287_FIXUP_CS35L41_I2C_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8cf5, "HP ZBook Studio 16", ALC245_FIXUP_CS35L41_SPI_4_HP_GPIO_LED),
SND_PCI_QUIRK(0x1043, 0x103e, "ASUS X540SA", ALC256_FIXUP_ASUS_MIC),
SND_PCI_QUIRK(0x1043, 0x103f, "ASUS TX300", ALC282_FIXUP_ASUS_TX300),
--
GitLab
From 0b6f0ff01a4a8c1b66c600263465976d57dcc1a3 Mon Sep 17 00:00:00 2001
From: Shenghao Ding <shenghao-ding@ti.com>
Date: Sat, 6 Apr 2024 21:20:09 +0800
Subject: [PATCH 2206/2686] ALSA: hda/tas2781: correct the register for pow
calibrated data
Calibrated data was written into an incorrect register, which cause
speaker protection sometimes malfuctions
Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2781 HDA driver")
Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
Cc: <stable@vger.kernel.org>
Message-ID: <20240406132010.341-1-shenghao-ding@ti.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/tas2781_hda_i2c.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c
index 48dae33393050..75f7674c66ee7 100644
--- a/sound/pci/hda/tas2781_hda_i2c.c
+++ b/sound/pci/hda/tas2781_hda_i2c.c
@@ -514,10 +514,10 @@ static int tas2563_save_calibration(struct tasdevice_priv *tas_priv)
static void tas2781_apply_calib(struct tasdevice_priv *tas_priv)
{
static const unsigned char page_array[CALIB_MAX] = {
- 0x17, 0x18, 0x18, 0x0d, 0x18
+ 0x17, 0x18, 0x18, 0x13, 0x18,
};
static const unsigned char rgno_array[CALIB_MAX] = {
- 0x74, 0x0c, 0x14, 0x3c, 0x7c
+ 0x74, 0x0c, 0x14, 0x70, 0x7c,
};
unsigned char *data;
int i, j, rc;
--
GitLab
From 059a49aa2e25c58f90b50151f109dd3c4cdb3a47 Mon Sep 17 00:00:00 2001
From: Breno Leitao <leitao@debian.org>
Date: Wed, 3 Apr 2024 08:43:12 -0700
Subject: [PATCH 2207/2686] virtio_net: Do not send RSS key if it is not
supported
There is a bug when setting the RSS options in virtio_net that can break
the whole machine, getting the kernel into an infinite loop.
Running the following command in any QEMU virtual machine with virtionet
will reproduce this problem:
# ethtool -X eth0 hfunc toeplitz
This is how the problem happens:
1) ethtool_set_rxfh() calls virtnet_set_rxfh()
2) virtnet_set_rxfh() calls virtnet_commit_rss_command()
3) virtnet_commit_rss_command() populates 4 entries for the rss
scatter-gather
4) Since the command above does not have a key, then the last
scatter-gatter entry will be zeroed, since rss_key_size == 0.
sg_buf_size = vi->rss_key_size;
5) This buffer is passed to qemu, but qemu is not happy with a buffer
with zero length, and do the following in virtqueue_map_desc() (QEMU
function):
if (!sz) {
virtio_error(vdev, "virtio: zero sized buffers are not allowed");
6) virtio_error() (also QEMU function) set the device as broken
vdev->broken = true;
7) Qemu bails out, and do not repond this crazy kernel.
8) The kernel is waiting for the response to come back (function
virtnet_send_command())
9) The kernel is waiting doing the following :
while (!virtqueue_get_buf(vi->cvq, &tmp) &&
!virtqueue_is_broken(vi->cvq))
cpu_relax();
10) None of the following functions above is true, thus, the kernel
loops here forever. Keeping in mind that virtqueue_is_broken() does
not look at the qemu `vdev->broken`, so, it never realizes that the
vitio is broken at QEMU side.
Fix it by not sending RSS commands if the feature is not available in
the device.
Fixes: c7114b1249fa ("drivers/net/virtio_net: Added basic RSS support.")
Cc: stable@vger.kernel.org
Cc: qemu-devel@nongnu.org
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Heng Qi <hengqi@linux.alibaba.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/virtio_net.c | 26 ++++++++++++++++++++++----
1 file changed, 22 insertions(+), 4 deletions(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index c22d1118a1333..115c3c5414f2a 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -3807,6 +3807,7 @@ static int virtnet_set_rxfh(struct net_device *dev,
struct netlink_ext_ack *extack)
{
struct virtnet_info *vi = netdev_priv(dev);
+ bool update = false;
int i;
if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
@@ -3814,13 +3815,28 @@ static int virtnet_set_rxfh(struct net_device *dev,
return -EOPNOTSUPP;
if (rxfh->indir) {
+ if (!vi->has_rss)
+ return -EOPNOTSUPP;
+
for (i = 0; i < vi->rss_indir_table_size; ++i)
vi->ctrl->rss.indirection_table[i] = rxfh->indir[i];
+ update = true;
}
- if (rxfh->key)
+
+ if (rxfh->key) {
+ /* If either _F_HASH_REPORT or _F_RSS are negotiated, the
+ * device provides hash calculation capabilities, that is,
+ * hash_key is configured.
+ */
+ if (!vi->has_rss && !vi->has_rss_hash_report)
+ return -EOPNOTSUPP;
+
memcpy(vi->ctrl->rss.key, rxfh->key, vi->rss_key_size);
+ update = true;
+ }
- virtnet_commit_rss_command(vi);
+ if (update)
+ virtnet_commit_rss_command(vi);
return 0;
}
@@ -4729,13 +4745,15 @@ static int virtnet_probe(struct virtio_device *vdev)
if (virtio_has_feature(vdev, VIRTIO_NET_F_HASH_REPORT))
vi->has_rss_hash_report = true;
- if (virtio_has_feature(vdev, VIRTIO_NET_F_RSS))
+ if (virtio_has_feature(vdev, VIRTIO_NET_F_RSS)) {
vi->has_rss = true;
- if (vi->has_rss || vi->has_rss_hash_report) {
vi->rss_indir_table_size =
virtio_cread16(vdev, offsetof(struct virtio_net_config,
rss_max_indirection_table_length));
+ }
+
+ if (vi->has_rss || vi->has_rss_hash_report) {
vi->rss_key_size =
virtio_cread8(vdev, offsetof(struct virtio_net_config, rss_max_key_size));
--
GitLab
From bccb798e07f8bb8b91212fe8ed1e421685449076 Mon Sep 17 00:00:00 2001
From: Hariprasad Kelam <hkelam@marvell.com>
Date: Thu, 4 Apr 2024 16:54:27 +0530
Subject: [PATCH 2208/2686] octeontx2-pf: Fix transmit scheduler resource leak
Inorder to support shaping and scheduling, Upon class creation
Netdev driver allocates trasmit schedulers.
The previous patch which added support for Round robin scheduling has
a bug due to which driver is not freeing transmit schedulers post
class deletion.
This patch fixes the same.
Fixes: 47a9656f168a ("octeontx2-pf: htb offload support for Round Robin scheduling")
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/marvell/octeontx2/nic/qos.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/qos.c b/drivers/net/ethernet/marvell/octeontx2/nic/qos.c
index 1e77bbf5d22a1..1723e9912ae07 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/qos.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/qos.c
@@ -382,6 +382,7 @@ static void otx2_qos_read_txschq_cfg_tl(struct otx2_qos_node *parent,
otx2_qos_read_txschq_cfg_tl(node, cfg);
cnt = cfg->static_node_pos[node->level];
cfg->schq_contig_list[node->level][cnt] = node->schq;
+ cfg->schq_index_used[node->level][cnt] = true;
cfg->schq_contig[node->level]++;
cfg->static_node_pos[node->level]++;
otx2_qos_read_txschq_cfg_schq(node, cfg);
--
GitLab
From 09e913f5826936c0f6632d6d0d35a36295fac7cc Mon Sep 17 00:00:00 2001
From: Hongbo Li <lihongbo22@huawei.com>
Date: Tue, 26 Mar 2024 12:04:56 +0800
Subject: [PATCH 2209/2686] bcachefs: fix the count of nr_freed_pcpu after
changing bc->freed_nonpcpu list
When allocating bkey_cached from bc->freed_pcpu list, it missed
decreasing the count of nr_freed_pcpu which would cause the mismatch
between the value of nr_freed_pcpu and the list items. This problem
also exists in moving new bkey_cached to bc->freed_pcpu list.
If these happened, the bug info may appear in
bch2_fs_btree_key_cache_exit by the follow code:
BUG_ON(list_count_nodes(&bc->freed_pcpu) != bc->nr_freed_pcpu);
BUG_ON(list_count_nodes(&bc->freed_nonpcpu) != bc->nr_freed_nonpcpu);
Fixes: c65c13f0eac6 ("bcachefs: Run btree key cache shrinker less aggressively")
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_key_cache.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/bcachefs/btree_key_cache.c b/fs/bcachefs/btree_key_cache.c
index 4ae7890f07c6e..88a3582a32757 100644
--- a/fs/bcachefs/btree_key_cache.c
+++ b/fs/bcachefs/btree_key_cache.c
@@ -169,6 +169,7 @@ static void bkey_cached_move_to_freelist(struct btree_key_cache *bc,
} else {
mutex_lock(&bc->lock);
list_move_tail(&ck->list, &bc->freed_pcpu);
+ bc->nr_freed_pcpu++;
mutex_unlock(&bc->lock);
}
}
@@ -245,6 +246,7 @@ bkey_cached_alloc(struct btree_trans *trans, struct btree_path *path,
if (!list_empty(&bc->freed_pcpu)) {
ck = list_last_entry(&bc->freed_pcpu, struct bkey_cached, list);
list_del_init(&ck->list);
+ bc->nr_freed_pcpu--;
}
mutex_unlock(&bc->lock);
}
--
GitLab
From fec50db7033ea478773b159e0e2efb135270e3b7 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 7 Apr 2024 13:22:46 -0700
Subject: [PATCH 2210/2686] Linux 6.9-rc3
---
Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 4bef6323c47de..e1bf12891cb0e 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 6
PATCHLEVEL = 9
SUBLEVEL = 0
-EXTRAVERSION = -rc2
+EXTRAVERSION = -rc3
NAME = Hurr durr I'ma ninja sloth
# *DOCUMENTATION*
--
GitLab
From b897b148ee30c7fca995e6d15cf791f52993920b Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sun, 7 Apr 2024 16:20:17 -0400
Subject: [PATCH 2211/2686] bcachefs: fix bch2_get_acl() transaction restart
handling
bch2_acl_from_disk() uses allocate_dropping_locks, and can thus return
a transaction restart - this wasn't handled.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/acl.c | 30 ++++++++++++++----------------
1 file changed, 14 insertions(+), 16 deletions(-)
diff --git a/fs/bcachefs/acl.c b/fs/bcachefs/acl.c
index 3640f417cce11..5c180fdc3efbd 100644
--- a/fs/bcachefs/acl.c
+++ b/fs/bcachefs/acl.c
@@ -281,7 +281,6 @@ struct posix_acl *bch2_get_acl(struct mnt_idmap *idmap,
struct xattr_search_key search = X_SEARCH(acl_to_xattr_type(type), "", 0);
struct btree_trans *trans = bch2_trans_get(c);
struct btree_iter iter = { NULL };
- struct bkey_s_c_xattr xattr;
struct posix_acl *acl = NULL;
struct bkey_s_c k;
int ret;
@@ -290,28 +289,27 @@ struct posix_acl *bch2_get_acl(struct mnt_idmap *idmap,
ret = bch2_hash_lookup(trans, &iter, bch2_xattr_hash_desc,
&hash, inode_inum(inode), &search, 0);
- if (ret) {
- if (!bch2_err_matches(ret, ENOENT))
- acl = ERR_PTR(ret);
- goto out;
- }
+ if (ret)
+ goto err;
k = bch2_btree_iter_peek_slot(&iter);
ret = bkey_err(k);
- if (ret) {
- acl = ERR_PTR(ret);
- goto out;
- }
+ if (ret)
+ goto err;
- xattr = bkey_s_c_to_xattr(k);
+ struct bkey_s_c_xattr xattr = bkey_s_c_to_xattr(k);
acl = bch2_acl_from_disk(trans, xattr_val(xattr.v),
- le16_to_cpu(xattr.v->x_val_len));
+ le16_to_cpu(xattr.v->x_val_len));
+ ret = PTR_ERR_OR_ZERO(acl);
+err:
+ if (bch2_err_matches(ret, BCH_ERR_transaction_restart))
+ goto retry;
- if (!IS_ERR(acl))
+ if (ret)
+ acl = !bch2_err_matches(ret, ENOENT) ? ERR_PTR(ret) : NULL;
+
+ if (!IS_ERR_OR_NULL(acl))
set_cached_acl(&inode->v, type, acl);
-out:
- if (bch2_err_matches(PTR_ERR_OR_ZERO(acl), BCH_ERR_transaction_restart))
- goto retry;
bch2_trans_iter_exit(trans, &iter);
bch2_trans_put(trans);
--
GitLab
From 8b8ace080319a866f5dfe9da8e665ae51d971c54 Mon Sep 17 00:00:00 2001
From: Ming Lei <ming.lei@redhat.com>
Date: Sun, 7 Apr 2024 20:59:10 +0800
Subject: [PATCH 2212/2686] block: fix q->blkg_list corruption during disk
rebind
Multiple gendisk instances can allocated/added for single request queue
in case of disk rebind. blkg may still stay in q->blkg_list when calling
blkcg_init_disk() for rebind, then q->blkg_list becomes corrupted.
Fix the list corruption issue by:
- add blkg_init_queue() to initialize q->blkg_list & q->blkcg_mutex only
- move calling blkg_init_queue() into blk_alloc_queue()
The list corruption should be started since commit f1c006f1c685 ("blk-cgroup:
synchronize pd_free_fn() from blkg_free_workfn() and blkcg_deactivate_policy()")
which delays removing blkg from q->blkg_list into blkg_free_workfn().
Fixes: f1c006f1c685 ("blk-cgroup: synchronize pd_free_fn() from blkg_free_workfn() and blkcg_deactivate_policy()")
Fixes: 1059699f87eb ("block: move blkcg initialization/destroy into disk allocation/release handler")
Cc: Yu Kuai <yukuai3@huawei.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240407125910.4053377-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/blk-cgroup.c | 9 ++++++---
block/blk-cgroup.h | 2 ++
block/blk-core.c | 2 ++
3 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index bdbb557feb5a0..059467086b131 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -1409,6 +1409,12 @@ static int blkcg_css_online(struct cgroup_subsys_state *css)
return 0;
}
+void blkg_init_queue(struct request_queue *q)
+{
+ INIT_LIST_HEAD(&q->blkg_list);
+ mutex_init(&q->blkcg_mutex);
+}
+
int blkcg_init_disk(struct gendisk *disk)
{
struct request_queue *q = disk->queue;
@@ -1416,9 +1422,6 @@ int blkcg_init_disk(struct gendisk *disk)
bool preloaded;
int ret;
- INIT_LIST_HEAD(&q->blkg_list);
- mutex_init(&q->blkcg_mutex);
-
new_blkg = blkg_alloc(&blkcg_root, disk, GFP_KERNEL);
if (!new_blkg)
return -ENOMEM;
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 78b74106bf10c..90b3959d88cfa 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -189,6 +189,7 @@ struct blkcg_policy {
extern struct blkcg blkcg_root;
extern bool blkcg_debug_stats;
+void blkg_init_queue(struct request_queue *q);
int blkcg_init_disk(struct gendisk *disk);
void blkcg_exit_disk(struct gendisk *disk);
@@ -482,6 +483,7 @@ struct blkcg {
};
static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg, void *key) { return NULL; }
+static inline void blkg_init_queue(struct request_queue *q) { }
static inline int blkcg_init_disk(struct gendisk *disk) { return 0; }
static inline void blkcg_exit_disk(struct gendisk *disk) { }
static inline int blkcg_policy_register(struct blkcg_policy *pol) { return 0; }
diff --git a/block/blk-core.c b/block/blk-core.c
index a16b5abdbbf56..3a6f5603fb44b 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -442,6 +442,8 @@ struct request_queue *blk_alloc_queue(struct queue_limits *lim, int node_id)
init_waitqueue_head(&q->mq_freeze_wq);
mutex_init(&q->mq_freeze_lock);
+ blkg_init_queue(q);
+
/*
* Init percpu_ref in atomic mode so that it's faster to shutdown.
* See blk_register_queue() for details.
--
GitLab
From b561ea56a26415bf44ce8ca6a8e625c7c390f1ea Mon Sep 17 00:00:00 2001
From: Ming Lei <ming.lei@redhat.com>
Date: Sun, 7 Apr 2024 21:19:31 +0800
Subject: [PATCH 2213/2686] block: allow device to have both virt_boundary_mask
and max segment size
When one stacking device is over one device with virt_boundary_mask and
another one with max segment size, the stacking device have both limits
set. This way is allowed before d690cb8ae14b ("block: add an API to
atomically update queue limits").
Relax the limit so that we won't break such kind of stacking setting.
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218687
Reported-by: janpieter.sollie@edpnet.be
Fixes: d690cb8ae14b ("block: add an API to atomically update queue limits")
Link: https://lore.kernel.org/linux-block/ZfGl8HzUpiOxCLm3@fedora/
Cc: Christoph Hellwig <hch@lst.de>
Cc: Mike Snitzer <snitzer@kernel.org>
Cc: dm-devel@lists.linux.dev
Cc: Song Liu <song@kernel.org>
Cc: linux-raid@vger.kernel.org
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Mike Snitzer <snitzer@kernel.org>
Link: https://lore.kernel.org/r/20240407131931.4055231-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/blk-settings.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/block/blk-settings.c b/block/blk-settings.c
index cdbaef159c4bc..d2731843f2fcc 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -182,17 +182,13 @@ static int blk_validate_limits(struct queue_limits *lim)
return -EINVAL;
/*
- * Devices that require a virtual boundary do not support scatter/gather
- * I/O natively, but instead require a descriptor list entry for each
- * page (which might not be identical to the Linux PAGE_SIZE). Because
- * of that they are not limited by our notion of "segment size".
+ * Stacking device may have both virtual boundary and max segment
+ * size limit, so allow this setting now, and long-term the two
+ * might need to move out of stacking limits since we have immutable
+ * bvec and lower layer bio splitting is supposed to handle the two
+ * correctly.
*/
- if (lim->virt_boundary_mask) {
- if (WARN_ON_ONCE(lim->max_segment_size &&
- lim->max_segment_size != UINT_MAX))
- return -EINVAL;
- lim->max_segment_size = UINT_MAX;
- } else {
+ if (!lim->virt_boundary_mask) {
/*
* The maximum segment size has an odd historic 64k default that
* drivers probably should override. Just like the I/O size we
--
GitLab
From 8358a76cfb47c9a5af627a0c4e7168aa14fa25f6 Mon Sep 17 00:00:00 2001
From: Stephen Boyd <sboyd@kernel.org>
Date: Mon, 25 Mar 2024 11:41:55 -0700
Subject: [PATCH 2214/2686] clk: Remove prepare_lock hold assertion in
__clk_release()
Removing this assertion lets us move the kref_put() call outside the
prepare_lock section. We don't need to hold the prepare_lock here to
free memory and destroy the clk_core structure. We've already unlinked
the clk from the clk tree and by the time the release function runs
nothing holds a reference to the clk_core anymore so anything with the
pointer can't access the memory that's being freed anyway. Way back in
commit 496eadf821c2 ("clk: Use lockdep asserts to find missing hold of
prepare_lock") we didn't need to have this assertion either.
Fixes: 496eadf821c2 ("clk: Use lockdep asserts to find missing hold of prepare_lock")
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20240325184204.745706-2-sboyd@kernel.org
---
drivers/clk/clk.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 25371c91a58fe..fed20641822cd 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -4375,8 +4375,6 @@ static void __clk_release(struct kref *ref)
{
struct clk_core *core = container_of(ref, struct clk_core, ref);
- lockdep_assert_held(&prepare_lock);
-
clk_core_free_parent_map(core);
kfree_const(core->name);
kfree(core);
--
GitLab
From 6f63af7511e7058f3fa4ad5b8102210741c9f947 Mon Sep 17 00:00:00 2001
From: Stephen Boyd <sboyd@kernel.org>
Date: Mon, 25 Mar 2024 11:41:56 -0700
Subject: [PATCH 2215/2686] clk: Don't hold prepare_lock when calling
kref_put()
We don't need to hold the prepare_lock when dropping a ref on a struct
clk_core. The release function is only freeing memory and any code with
a pointer reference has already unlinked anything pointing to the
clk_core. This reduces the holding area of the prepare_lock a bit.
Note that we also don't call free_clk() with the prepare_lock held.
There isn't any reason to do that.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20240325184204.745706-3-sboyd@kernel.org
---
drivers/clk/clk.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index fed20641822cd..e950d0cf6b2fd 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -4470,7 +4470,8 @@ void clk_unregister(struct clk *clk)
if (ops == &clk_nodrv_ops) {
pr_err("%s: unregistered clock: %s\n", __func__,
clk->core->name);
- goto unlock;
+ clk_prepare_unlock();
+ return;
}
/*
* Assign empty clock ops for consumers that might still hold
@@ -4504,11 +4505,10 @@ void clk_unregister(struct clk *clk)
if (clk->core->protect_count)
pr_warn("%s: unregistering protected clock: %s\n",
__func__, clk->core->name);
+ clk_prepare_unlock();
kref_put(&clk->core->ref, __clk_release);
free_clk(clk);
-unlock:
- clk_prepare_unlock();
}
EXPORT_SYMBOL_GPL(clk_unregister);
@@ -4667,13 +4667,11 @@ void __clk_put(struct clk *clk)
if (clk->min_rate > 0 || clk->max_rate < ULONG_MAX)
clk_set_rate_range_nolock(clk, 0, ULONG_MAX);
- owner = clk->core->owner;
- kref_put(&clk->core->ref, __clk_release);
-
clk_prepare_unlock();
+ owner = clk->core->owner;
+ kref_put(&clk->core->ref, __clk_release);
module_put(owner);
-
free_clk(clk);
}
--
GitLab
From 9d05ae531c2cff20d5d527f04e28d28e04379929 Mon Sep 17 00:00:00 2001
From: Stephen Boyd <sboyd@kernel.org>
Date: Mon, 25 Mar 2024 11:41:57 -0700
Subject: [PATCH 2216/2686] clk: Initialize struct clk_core kref earlier
Initialize this kref once we allocate memory for the struct clk_core so
that we can reuse the release function to free any memory associated
with the structure. This mostly consolidates code, but also clarifies
that the kref lifetime exists once the container structure (struct
clk_core) is allocated instead of leaving it in a half-baked state for
most of __clk_core_init().
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20240325184204.745706-4-sboyd@kernel.org
---
drivers/clk/clk.c | 28 +++++++++++++---------------
1 file changed, 13 insertions(+), 15 deletions(-)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index e950d0cf6b2fd..8b35ca32f45eb 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -3981,8 +3981,6 @@ static int __clk_core_init(struct clk_core *core)
}
clk_core_reparent_orphans_nolock();
-
- kref_init(&core->ref);
out:
clk_pm_runtime_put(core);
unlock:
@@ -4211,6 +4209,16 @@ static void clk_core_free_parent_map(struct clk_core *core)
kfree(core->parents);
}
+/* Free memory allocated for a struct clk_core */
+static void __clk_release(struct kref *ref)
+{
+ struct clk_core *core = container_of(ref, struct clk_core, ref);
+
+ clk_core_free_parent_map(core);
+ kfree_const(core->name);
+ kfree(core);
+}
+
static struct clk *
__clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
{
@@ -4231,6 +4239,8 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
goto fail_out;
}
+ kref_init(&core->ref);
+
core->name = kstrdup_const(init->name, GFP_KERNEL);
if (!core->name) {
ret = -ENOMEM;
@@ -4285,12 +4295,10 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
hw->clk = NULL;
fail_create_clk:
- clk_core_free_parent_map(core);
fail_parents:
fail_ops:
- kfree_const(core->name);
fail_name:
- kfree(core);
+ kref_put(&core->ref, __clk_release);
fail_out:
return ERR_PTR(ret);
}
@@ -4370,16 +4378,6 @@ int of_clk_hw_register(struct device_node *node, struct clk_hw *hw)
}
EXPORT_SYMBOL_GPL(of_clk_hw_register);
-/* Free memory allocated for a clock. */
-static void __clk_release(struct kref *ref)
-{
- struct clk_core *core = container_of(ref, struct clk_core, ref);
-
- clk_core_free_parent_map(core);
- kfree_const(core->name);
- kfree(core);
-}
-
/*
* Empty clk_ops for unregistered clocks. These are used temporarily
* after clk_unregister() was called on a clock and until last clock
--
GitLab
From e581cf5d216289ef292d1a4036d53ce90e122469 Mon Sep 17 00:00:00 2001
From: Stephen Boyd <sboyd@kernel.org>
Date: Mon, 25 Mar 2024 11:41:58 -0700
Subject: [PATCH 2217/2686] clk: Get runtime PM before walking tree during
disable_unused
Doug reported [1] the following hung task:
INFO: task swapper/0:1 blocked for more than 122 seconds.
Not tainted 5.15.149-21875-gf795ebc40eb8 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:swapper/0 state:D stack: 0 pid: 1 ppid: 0 flags:0x00000008
Call trace:
__switch_to+0xf4/0x1f4
__schedule+0x418/0xb80
schedule+0x5c/0x10c
rpm_resume+0xe0/0x52c
rpm_resume+0x178/0x52c
__pm_runtime_resume+0x58/0x98
clk_pm_runtime_get+0x30/0xb0
clk_disable_unused_subtree+0x58/0x208
clk_disable_unused_subtree+0x38/0x208
clk_disable_unused_subtree+0x38/0x208
clk_disable_unused_subtree+0x38/0x208
clk_disable_unused_subtree+0x38/0x208
clk_disable_unused+0x4c/0xe4
do_one_initcall+0xcc/0x2d8
do_initcall_level+0xa4/0x148
do_initcalls+0x5c/0x9c
do_basic_setup+0x24/0x30
kernel_init_freeable+0xec/0x164
kernel_init+0x28/0x120
ret_from_fork+0x10/0x20
INFO: task kworker/u16:0:9 blocked for more than 122 seconds.
Not tainted 5.15.149-21875-gf795ebc40eb8 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u16:0 state:D stack: 0 pid: 9 ppid: 2 flags:0x00000008
Workqueue: events_unbound deferred_probe_work_func
Call trace:
__switch_to+0xf4/0x1f4
__schedule+0x418/0xb80
schedule+0x5c/0x10c
schedule_preempt_disabled+0x2c/0x48
__mutex_lock+0x238/0x488
__mutex_lock_slowpath+0x1c/0x28
mutex_lock+0x50/0x74
clk_prepare_lock+0x7c/0x9c
clk_core_prepare_lock+0x20/0x44
clk_prepare+0x24/0x30
clk_bulk_prepare+0x40/0xb0
mdss_runtime_resume+0x54/0x1c8
pm_generic_runtime_resume+0x30/0x44
__genpd_runtime_resume+0x68/0x7c
genpd_runtime_resume+0x108/0x1f4
__rpm_callback+0x84/0x144
rpm_callback+0x30/0x88
rpm_resume+0x1f4/0x52c
rpm_resume+0x178/0x52c
__pm_runtime_resume+0x58/0x98
__device_attach+0xe0/0x170
device_initial_probe+0x1c/0x28
bus_probe_device+0x3c/0x9c
device_add+0x644/0x814
mipi_dsi_device_register_full+0xe4/0x170
devm_mipi_dsi_device_register_full+0x28/0x70
ti_sn_bridge_probe+0x1dc/0x2c0
auxiliary_bus_probe+0x4c/0x94
really_probe+0xcc/0x2c8
__driver_probe_device+0xa8/0x130
driver_probe_device+0x48/0x110
__device_attach_driver+0xa4/0xcc
bus_for_each_drv+0x8c/0xd8
__device_attach+0xf8/0x170
device_initial_probe+0x1c/0x28
bus_probe_device+0x3c/0x9c
deferred_probe_work_func+0x9c/0xd8
process_one_work+0x148/0x518
worker_thread+0x138/0x350
kthread+0x138/0x1e0
ret_from_fork+0x10/0x20
The first thread is walking the clk tree and calling
clk_pm_runtime_get() to power on devices required to read the clk
hardware via struct clk_ops::is_enabled(). This thread holds the clk
prepare_lock, and is trying to runtime PM resume a device, when it finds
that the device is in the process of resuming so the thread schedule()s
away waiting for the device to finish resuming before continuing. The
second thread is runtime PM resuming the same device, but the runtime
resume callback is calling clk_prepare(), trying to grab the
prepare_lock waiting on the first thread.
This is a classic ABBA deadlock. To properly fix the deadlock, we must
never runtime PM resume or suspend a device with the clk prepare_lock
held. Actually doing that is near impossible today because the global
prepare_lock would have to be dropped in the middle of the tree, the
device runtime PM resumed/suspended, and then the prepare_lock grabbed
again to ensure consistency of the clk tree topology. If anything
changes with the clk tree in the meantime, we've lost and will need to
start the operation all over again.
Luckily, most of the time we're simply incrementing or decrementing the
runtime PM count on an active device, so we don't have the chance to
schedule away with the prepare_lock held. Let's fix this immediate
problem that can be triggered more easily by simply booting on Qualcomm
sc7180.
Introduce a list of clk_core structures that have been registered, or
are in the process of being registered, that require runtime PM to
operate. Iterate this list and call clk_pm_runtime_get() on each of them
without holding the prepare_lock during clk_disable_unused(). This way
we can be certain that the runtime PM state of the devices will be
active and resumed so we can't schedule away while walking the clk tree
with the prepare_lock held. Similarly, call clk_pm_runtime_put() without
the prepare_lock held to properly drop the runtime PM reference. We
remove the calls to clk_pm_runtime_{get,put}() in this path because
they're superfluous now that we know the devices are runtime resumed.
Reported-by: Douglas Anderson <dianders@chromium.org>
Closes: https://lore.kernel.org/all/20220922084322.RFC.2.I375b6b9e0a0a5348962f004beb3dafee6a12dfbb@changeid/ [1]
Closes: https://issuetracker.google.com/328070191
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Fixes: 9a34b45397e5 ("clk: Add support for runtime PM")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20240325184204.745706-5-sboyd@kernel.org
Reviewed-by: Douglas Anderson <dianders@chromium.org>
---
drivers/clk/clk.c | 117 +++++++++++++++++++++++++++++++++++++++++-----
1 file changed, 105 insertions(+), 12 deletions(-)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 8b35ca32f45eb..9b907cb3ef613 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -37,6 +37,10 @@ static HLIST_HEAD(clk_root_list);
static HLIST_HEAD(clk_orphan_list);
static LIST_HEAD(clk_notifier_list);
+/* List of registered clks that use runtime PM */
+static HLIST_HEAD(clk_rpm_list);
+static DEFINE_MUTEX(clk_rpm_list_lock);
+
static const struct hlist_head *all_lists[] = {
&clk_root_list,
&clk_orphan_list,
@@ -59,6 +63,7 @@ struct clk_core {
struct clk_hw *hw;
struct module *owner;
struct device *dev;
+ struct hlist_node rpm_node;
struct device_node *of_node;
struct clk_core *parent;
struct clk_parent_map *parents;
@@ -122,6 +127,89 @@ static void clk_pm_runtime_put(struct clk_core *core)
pm_runtime_put_sync(core->dev);
}
+/**
+ * clk_pm_runtime_get_all() - Runtime "get" all clk provider devices
+ *
+ * Call clk_pm_runtime_get() on all runtime PM enabled clks in the clk tree so
+ * that disabling unused clks avoids a deadlock where a device is runtime PM
+ * resuming/suspending and the runtime PM callback is trying to grab the
+ * prepare_lock for something like clk_prepare_enable() while
+ * clk_disable_unused_subtree() holds the prepare_lock and is trying to runtime
+ * PM resume/suspend the device as well.
+ *
+ * Context: Acquires the 'clk_rpm_list_lock' and returns with the lock held on
+ * success. Otherwise the lock is released on failure.
+ *
+ * Return: 0 on success, negative errno otherwise.
+ */
+static int clk_pm_runtime_get_all(void)
+{
+ int ret;
+ struct clk_core *core, *failed;
+
+ /*
+ * Grab the list lock to prevent any new clks from being registered
+ * or unregistered until clk_pm_runtime_put_all().
+ */
+ mutex_lock(&clk_rpm_list_lock);
+
+ /*
+ * Runtime PM "get" all the devices that are needed for the clks
+ * currently registered. Do this without holding the prepare_lock, to
+ * avoid the deadlock.
+ */
+ hlist_for_each_entry(core, &clk_rpm_list, rpm_node) {
+ ret = clk_pm_runtime_get(core);
+ if (ret) {
+ failed = core;
+ pr_err("clk: Failed to runtime PM get '%s' for clk '%s'\n",
+ dev_name(failed->dev), failed->name);
+ goto err;
+ }
+ }
+
+ return 0;
+
+err:
+ hlist_for_each_entry(core, &clk_rpm_list, rpm_node) {
+ if (core == failed)
+ break;
+
+ clk_pm_runtime_put(core);
+ }
+ mutex_unlock(&clk_rpm_list_lock);
+
+ return ret;
+}
+
+/**
+ * clk_pm_runtime_put_all() - Runtime "put" all clk provider devices
+ *
+ * Put the runtime PM references taken in clk_pm_runtime_get_all() and release
+ * the 'clk_rpm_list_lock'.
+ */
+static void clk_pm_runtime_put_all(void)
+{
+ struct clk_core *core;
+
+ hlist_for_each_entry(core, &clk_rpm_list, rpm_node)
+ clk_pm_runtime_put(core);
+ mutex_unlock(&clk_rpm_list_lock);
+}
+
+static void clk_pm_runtime_init(struct clk_core *core)
+{
+ struct device *dev = core->dev;
+
+ if (dev && pm_runtime_enabled(dev)) {
+ core->rpm_enabled = true;
+
+ mutex_lock(&clk_rpm_list_lock);
+ hlist_add_head(&core->rpm_node, &clk_rpm_list);
+ mutex_unlock(&clk_rpm_list_lock);
+ }
+}
+
/*** locking ***/
static void clk_prepare_lock(void)
{
@@ -1381,9 +1469,6 @@ static void __init clk_unprepare_unused_subtree(struct clk_core *core)
if (core->flags & CLK_IGNORE_UNUSED)
return;
- if (clk_pm_runtime_get(core))
- return;
-
if (clk_core_is_prepared(core)) {
trace_clk_unprepare(core);
if (core->ops->unprepare_unused)
@@ -1392,8 +1477,6 @@ static void __init clk_unprepare_unused_subtree(struct clk_core *core)
core->ops->unprepare(core->hw);
trace_clk_unprepare_complete(core);
}
-
- clk_pm_runtime_put(core);
}
static void __init clk_disable_unused_subtree(struct clk_core *core)
@@ -1409,9 +1492,6 @@ static void __init clk_disable_unused_subtree(struct clk_core *core)
if (core->flags & CLK_OPS_PARENT_ENABLE)
clk_core_prepare_enable(core->parent);
- if (clk_pm_runtime_get(core))
- goto unprepare_out;
-
flags = clk_enable_lock();
if (core->enable_count)
@@ -1436,8 +1516,6 @@ static void __init clk_disable_unused_subtree(struct clk_core *core)
unlock_out:
clk_enable_unlock(flags);
- clk_pm_runtime_put(core);
-unprepare_out:
if (core->flags & CLK_OPS_PARENT_ENABLE)
clk_core_disable_unprepare(core->parent);
}
@@ -1453,6 +1531,7 @@ __setup("clk_ignore_unused", clk_ignore_unused_setup);
static int __init clk_disable_unused(void)
{
struct clk_core *core;
+ int ret;
if (clk_ignore_unused) {
pr_warn("clk: Not disabling unused clocks\n");
@@ -1461,6 +1540,13 @@ static int __init clk_disable_unused(void)
pr_info("clk: Disabling unused clocks\n");
+ ret = clk_pm_runtime_get_all();
+ if (ret)
+ return ret;
+ /*
+ * Grab the prepare lock to keep the clk topology stable while iterating
+ * over clks.
+ */
clk_prepare_lock();
hlist_for_each_entry(core, &clk_root_list, child_node)
@@ -1477,6 +1563,8 @@ static int __init clk_disable_unused(void)
clk_prepare_unlock();
+ clk_pm_runtime_put_all();
+
return 0;
}
late_initcall_sync(clk_disable_unused);
@@ -4214,6 +4302,12 @@ static void __clk_release(struct kref *ref)
{
struct clk_core *core = container_of(ref, struct clk_core, ref);
+ if (core->rpm_enabled) {
+ mutex_lock(&clk_rpm_list_lock);
+ hlist_del(&core->rpm_node);
+ mutex_unlock(&clk_rpm_list_lock);
+ }
+
clk_core_free_parent_map(core);
kfree_const(core->name);
kfree(core);
@@ -4253,9 +4347,8 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
}
core->ops = init->ops;
- if (dev && pm_runtime_enabled(dev))
- core->rpm_enabled = true;
core->dev = dev;
+ clk_pm_runtime_init(core);
core->of_node = np;
if (dev && dev->driver)
core->owner = dev->driver->owner;
--
GitLab
From 9d1e795f754db1ac3344528b7af0b17b8146f321 Mon Sep 17 00:00:00 2001
From: Stephen Boyd <sboyd@kernel.org>
Date: Mon, 25 Mar 2024 11:41:59 -0700
Subject: [PATCH 2218/2686] clk: Get runtime PM before walking tree for
clk_summary
Similar to the previous commit, we should make sure that all devices are
runtime resumed before printing the clk_summary through debugfs. Failure
to do so would result in a deadlock if the thread is resuming a device
to print clk state and that device is also runtime resuming in another
thread, e.g the screen is turning on and the display driver is starting
up. We remove the calls to clk_pm_runtime_{get,put}() in this path
because they're superfluous now that we know the devices are runtime
resumed. This also squashes a bug where the return value of
clk_pm_runtime_get() wasn't checked, leading to an RPM count underflow
on error paths.
Fixes: 1bb294a7981c ("clk: Enable/Disable runtime PM for clk_summary")
Cc: Taniya Das <quic_tdas@quicinc.com>
Cc: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20240325184204.745706-6-sboyd@kernel.org
Reviewed-by: Douglas Anderson <dianders@chromium.org>
---
drivers/clk/clk.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 9b907cb3ef613..8cca52be993f4 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -3340,9 +3340,7 @@ static void clk_summary_show_subtree(struct seq_file *s, struct clk_core *c,
{
struct clk_core *child;
- clk_pm_runtime_get(c);
clk_summary_show_one(s, c, level);
- clk_pm_runtime_put(c);
hlist_for_each_entry(child, &c->children, child_node)
clk_summary_show_subtree(s, child, level + 1);
@@ -3352,11 +3350,15 @@ static int clk_summary_show(struct seq_file *s, void *data)
{
struct clk_core *c;
struct hlist_head **lists = s->private;
+ int ret;
seq_puts(s, " enable prepare protect duty hardware connection\n");
seq_puts(s, " clock count count count rate accuracy phase cycle enable consumer id\n");
seq_puts(s, "---------------------------------------------------------------------------------------------------------------------------------------------\n");
+ ret = clk_pm_runtime_get_all();
+ if (ret)
+ return ret;
clk_prepare_lock();
@@ -3365,6 +3367,7 @@ static int clk_summary_show(struct seq_file *s, void *data)
clk_summary_show_subtree(s, c, 0);
clk_prepare_unlock();
+ clk_pm_runtime_put_all();
return 0;
}
@@ -3412,8 +3415,14 @@ static int clk_dump_show(struct seq_file *s, void *data)
struct clk_core *c;
bool first_node = true;
struct hlist_head **lists = s->private;
+ int ret;
+
+ ret = clk_pm_runtime_get_all();
+ if (ret)
+ return ret;
seq_putc(s, '{');
+
clk_prepare_lock();
for (; *lists; lists++) {
@@ -3426,6 +3435,7 @@ static int clk_dump_show(struct seq_file *s, void *data)
}
clk_prepare_unlock();
+ clk_pm_runtime_put_all();
seq_puts(s, "}\n");
return 0;
--
GitLab
From 22e1992cf7b034db5325660e98c41ca5afa5f519 Mon Sep 17 00:00:00 2001
From: Gavin Shan <gshan@redhat.com>
Date: Thu, 28 Mar 2024 10:21:47 +1000
Subject: [PATCH 2219/2686] vhost: Add smp_rmb() in vhost_vq_avail_empty()
A smp_rmb() has been missed in vhost_vq_avail_empty(), spotted by
Will. Otherwise, it's not ensured the available ring entries pushed
by guest can be observed by vhost in time, leading to stale available
ring entries fetched by vhost in vhost_get_vq_desc(), as reported by
Yihuang Yu on NVidia's grace-hopper (ARM64) platform.
/home/gavin/sandbox/qemu.main/build/qemu-system-aarch64 \
-accel kvm -machine virt,gic-version=host -cpu host \
-smp maxcpus=1,cpus=1,sockets=1,clusters=1,cores=1,threads=1 \
-m 4096M,slots=16,maxmem=64G \
-object memory-backend-ram,id=mem0,size=4096M \
: \
-netdev tap,id=vnet0,vhost=true \
-device virtio-net-pci,bus=pcie.8,netdev=vnet0,mac=52:54:00:f1:26:b0
:
guest# netperf -H 10.26.1.81 -l 60 -C -c -t UDP_STREAM
virtio_net virtio0: output.0:id 100 is not a head!
Add the missed smp_rmb() in vhost_vq_avail_empty(). When tx_can_batch()
returns true, it means there's still pending tx buffers. Since it might
read indices, so it still can bypass the smp_rmb() in vhost_get_vq_desc().
Note that it should be safe until vq->avail_idx is changed by commit
275bf960ac697 ("vhost: better detection of available buffers").
Fixes: 275bf960ac69 ("vhost: better detection of available buffers")
Cc: <stable@kernel.org> # v4.11+
Reported-by: Yihuang Yu <yihyu@redhat.com>
Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Gavin Shan <gshan@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20240328002149.1141302-2-gshan@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
---
drivers/vhost/vhost.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 045f666b4f12a..29df65b2ebf2e 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -2799,9 +2799,19 @@ bool vhost_vq_avail_empty(struct vhost_dev *dev, struct vhost_virtqueue *vq)
r = vhost_get_avail_idx(vq, &avail_idx);
if (unlikely(r))
return false;
+
vq->avail_idx = vhost16_to_cpu(vq, avail_idx);
+ if (vq->avail_idx != vq->last_avail_idx) {
+ /* Since we have updated avail_idx, the following
+ * call to vhost_get_vq_desc() will read available
+ * ring entries. Make sure that read happens after
+ * the avail_idx read.
+ */
+ smp_rmb();
+ return false;
+ }
- return vq->avail_idx == vq->last_avail_idx;
+ return true;
}
EXPORT_SYMBOL_GPL(vhost_vq_avail_empty);
--
GitLab
From df9ace7647d4123209395bb9967e998d5758c645 Mon Sep 17 00:00:00 2001
From: Gavin Shan <gshan@redhat.com>
Date: Thu, 28 Mar 2024 10:21:48 +1000
Subject: [PATCH 2220/2686] vhost: Add smp_rmb() in vhost_enable_notify()
A smp_rmb() has been missed in vhost_enable_notify(), inspired by
Will. Otherwise, it's not ensured the available ring entries pushed
by guest can be observed by vhost in time, leading to stale available
ring entries fetched by vhost in vhost_get_vq_desc(), as reported by
Yihuang Yu on NVidia's grace-hopper (ARM64) platform.
/home/gavin/sandbox/qemu.main/build/qemu-system-aarch64 \
-accel kvm -machine virt,gic-version=host -cpu host \
-smp maxcpus=1,cpus=1,sockets=1,clusters=1,cores=1,threads=1 \
-m 4096M,slots=16,maxmem=64G \
-object memory-backend-ram,id=mem0,size=4096M \
: \
-netdev tap,id=vnet0,vhost=true \
-device virtio-net-pci,bus=pcie.8,netdev=vnet0,mac=52:54:00:f1:26:b0
:
guest# netperf -H 10.26.1.81 -l 60 -C -c -t UDP_STREAM
virtio_net virtio0: output.0:id 100 is not a head!
Add the missed smp_rmb() in vhost_enable_notify(). When it returns true,
it means there's still pending tx buffers. Since it might read indices,
so it still can bypass the smp_rmb() in vhost_get_vq_desc(). Note that
it should be safe until vq->avail_idx is changed by commit d3bb267bbdcb
("vhost: cache avail index in vhost_enable_notify()").
Fixes: d3bb267bbdcb ("vhost: cache avail index in vhost_enable_notify()")
Cc: <stable@kernel.org> # v5.18+
Reported-by: Yihuang Yu <yihyu@redhat.com>
Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Gavin Shan <gshan@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20240328002149.1141302-3-gshan@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
---
drivers/vhost/vhost.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 29df65b2ebf2e..32686c79c41d6 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -2848,9 +2848,19 @@ bool vhost_enable_notify(struct vhost_dev *dev, struct vhost_virtqueue *vq)
&vq->avail->idx, r);
return false;
}
+
vq->avail_idx = vhost16_to_cpu(vq, avail_idx);
+ if (vq->avail_idx != vq->last_avail_idx) {
+ /* Since we have updated avail_idx, the following
+ * call to vhost_get_vq_desc() will read available
+ * ring entries. Make sure that read happens after
+ * the avail_idx read.
+ */
+ smp_rmb();
+ return true;
+ }
- return vq->avail_idx != vq->last_avail_idx;
+ return false;
}
EXPORT_SYMBOL_GPL(vhost_enable_notify);
--
GitLab
From ffe6176b7f53ca0c99355f13e14a33a40cf49406 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Sun, 31 Mar 2024 10:43:48 +0200
Subject: [PATCH 2221/2686] virtio: store owner from modules with
register_virtio_driver()
Modules registering driver with register_virtio_driver() might forget to
set .owner field. i2c-virtio.c for example has it missing. The field
is used by some other kernel parts for reference counting
(try_module_get()), so it is expected that drivers will set it.
Solve the problem by moving this task away from the drivers to the core
virtio code, just like we did for platform_driver in
commit 9447057eaff8 ("platform_device: use a macro instead of
platform_driver_register").
Fixes: 3cfc88380413 ("i2c: virtio: add a virtio i2c frontend driver")
Cc: "Jie Deng" <jie.deng@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Message-Id: <20240331-module-owner-virtio-v2-1-98f04bfaf46a@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
Documentation/driver-api/virtio/writing_virtio_drivers.rst | 1 -
drivers/virtio/virtio.c | 6 ++++--
include/linux/virtio.h | 7 +++++--
3 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/Documentation/driver-api/virtio/writing_virtio_drivers.rst b/Documentation/driver-api/virtio/writing_virtio_drivers.rst
index e14c58796d250..e5de6f5d061a7 100644
--- a/Documentation/driver-api/virtio/writing_virtio_drivers.rst
+++ b/Documentation/driver-api/virtio/writing_virtio_drivers.rst
@@ -97,7 +97,6 @@ like this::
static struct virtio_driver virtio_dummy_driver = {
.driver.name = KBUILD_MODNAME,
- .driver.owner = THIS_MODULE,
.id_table = id_table,
.probe = virtio_dummy_probe,
.remove = virtio_dummy_remove,
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index f173587893cb3..9510c551dce86 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -362,14 +362,16 @@ static const struct bus_type virtio_bus = {
.remove = virtio_dev_remove,
};
-int register_virtio_driver(struct virtio_driver *driver)
+int __register_virtio_driver(struct virtio_driver *driver, struct module *owner)
{
/* Catch this early. */
BUG_ON(driver->feature_table_size && !driver->feature_table);
driver->driver.bus = &virtio_bus;
+ driver->driver.owner = owner;
+
return driver_register(&driver->driver);
}
-EXPORT_SYMBOL_GPL(register_virtio_driver);
+EXPORT_SYMBOL_GPL(__register_virtio_driver);
void unregister_virtio_driver(struct virtio_driver *driver)
{
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index b0201747a263a..26c4325aa3734 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -170,7 +170,7 @@ size_t virtio_max_dma_size(const struct virtio_device *vdev);
/**
* struct virtio_driver - operations for a virtio I/O driver
- * @driver: underlying device driver (populate name and owner).
+ * @driver: underlying device driver (populate name).
* @id_table: the ids serviced by this driver.
* @feature_table: an array of feature numbers supported by this driver.
* @feature_table_size: number of entries in the feature table array.
@@ -208,7 +208,10 @@ static inline struct virtio_driver *drv_to_virtio(struct device_driver *drv)
return container_of(drv, struct virtio_driver, driver);
}
-int register_virtio_driver(struct virtio_driver *drv);
+/* use a macro to avoid include chaining to get THIS_MODULE */
+#define register_virtio_driver(drv) \
+ __register_virtio_driver(drv, THIS_MODULE)
+int __register_virtio_driver(struct virtio_driver *drv, struct module *owner);
void unregister_virtio_driver(struct virtio_driver *drv);
/* module_virtio_driver() - Helper macro for drivers that don't do
--
GitLab
From 2855c2a7820bc8198ae937a9a67dbdc3990e9d2c Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Tue, 2 Apr 2024 17:21:43 -0400
Subject: [PATCH 2222/2686] vhost-vdpa: change ioctl # for VDPA_GET_VRING_SIZE
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
VDPA_GET_VRING_SIZE by mistake uses the already occupied
ioctl # 0x80 and we never noticed - it happens to work
because the direction and size are different, but confuses
tools such as perf which like to look at just the number,
and breaks the extra robustness of the ioctl numbering macros.
To fix, sort the entries and renumber the ioctl - not too late
since it wasn't in any released kernels yet.
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Reported-by: Namhyung Kim <namhyung@kernel.org>
Fixes: 1496c47065f9 ("vhost-vdpa: uapi to support reporting per vq size")
Cc: "Zhu Lingshan" <lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <41c1c5489688abe5bfef9f7cf15584e3fb872ac5.1712092759.git.mst@redhat.com>
Reviewed-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Zhu Lingshan <lingshan.zhu@intel.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
---
include/uapi/linux/vhost.h | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h
index bea6973906134..b95dd84eef2db 100644
--- a/include/uapi/linux/vhost.h
+++ b/include/uapi/linux/vhost.h
@@ -179,12 +179,6 @@
/* Get the config size */
#define VHOST_VDPA_GET_CONFIG_SIZE _IOR(VHOST_VIRTIO, 0x79, __u32)
-/* Get the count of all virtqueues */
-#define VHOST_VDPA_GET_VQS_COUNT _IOR(VHOST_VIRTIO, 0x80, __u32)
-
-/* Get the number of virtqueue groups. */
-#define VHOST_VDPA_GET_GROUP_NUM _IOR(VHOST_VIRTIO, 0x81, __u32)
-
/* Get the number of address spaces. */
#define VHOST_VDPA_GET_AS_NUM _IOR(VHOST_VIRTIO, 0x7A, unsigned int)
@@ -228,10 +222,17 @@
#define VHOST_VDPA_GET_VRING_DESC_GROUP _IOWR(VHOST_VIRTIO, 0x7F, \
struct vhost_vring_state)
+
+/* Get the count of all virtqueues */
+#define VHOST_VDPA_GET_VQS_COUNT _IOR(VHOST_VIRTIO, 0x80, __u32)
+
+/* Get the number of virtqueue groups. */
+#define VHOST_VDPA_GET_GROUP_NUM _IOR(VHOST_VIRTIO, 0x81, __u32)
+
/* Get the queue size of a specific virtqueue.
* userspace set the vring index in vhost_vring_state.index
* kernel set the queue size in vhost_vring_state.num
*/
-#define VHOST_VDPA_GET_VRING_SIZE _IOWR(VHOST_VIRTIO, 0x80, \
+#define VHOST_VDPA_GET_VRING_SIZE _IOWR(VHOST_VIRTIO, 0x82, \
struct vhost_vring_state)
#endif
--
GitLab
From 76f408535aab39c33e0a1dcada9fba5631c65595 Mon Sep 17 00:00:00 2001
From: Xianting Tian <xianting.tian@linux.alibaba.com>
Date: Mon, 11 Mar 2024 16:21:09 +0800
Subject: [PATCH 2223/2686] vhost: correct misleading printing information
Guest moved avail idx not used idx when we need to print log if
'(vq->avail_idx - last_avail_idx) > vq->num', so fix it.
Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
Message-Id: <20240311082109.46773-1-xianting.tian@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
drivers/vhost/vhost.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 32686c79c41d6..8995730ce0bfc 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -2515,7 +2515,7 @@ int vhost_get_vq_desc(struct vhost_virtqueue *vq,
vq->avail_idx = vhost16_to_cpu(vq, avail_idx);
if (unlikely((u16)(vq->avail_idx - last_avail_idx) > vq->num)) {
- vq_err(vq, "Guest moved used index from %u to %u",
+ vq_err(vq, "Guest moved avail index from %u to %u",
last_avail_idx, vq->avail_idx);
return -EFAULT;
}
--
GitLab
From f0cf7ffcd02953c72fed5995378805883d16203e Mon Sep 17 00:00:00 2001
From: "Wachowski, Karol" <karol.wachowski@intel.com>
Date: Tue, 2 Apr 2024 12:49:22 +0200
Subject: [PATCH 2224/2686] accel/ivpu: Check return code of ipc->lock init
Return value of drmm_mutex_init(ipc->lock) was unchecked.
Fixes: 5d7422cfb498 ("accel/ivpu: Add IPC driver and JSM messages")
Cc: <stable@vger.kernel.org> # v6.3+
Signed-off-by: Wachowski, Karol <karol.wachowski@intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402104929.941186-2-jacek.lawrynowicz@linux.intel.com
---
drivers/accel/ivpu/ivpu_ipc.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/accel/ivpu/ivpu_ipc.c b/drivers/accel/ivpu/ivpu_ipc.c
index 04ac4b9840fbe..56ff067f63e29 100644
--- a/drivers/accel/ivpu/ivpu_ipc.c
+++ b/drivers/accel/ivpu/ivpu_ipc.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
*/
#include <linux/genalloc.h>
@@ -501,7 +501,11 @@ int ivpu_ipc_init(struct ivpu_device *vdev)
spin_lock_init(&ipc->cons_lock);
INIT_LIST_HEAD(&ipc->cons_list);
INIT_LIST_HEAD(&ipc->cb_msg_list);
- drmm_mutex_init(&vdev->drm, &ipc->lock);
+ ret = drmm_mutex_init(&vdev->drm, &ipc->lock);
+ if (ret) {
+ ivpu_err(vdev, "Failed to initialize ipc->lock, ret %d\n", ret);
+ goto err_free_rx;
+ }
ivpu_ipc_reset(vdev);
return 0;
--
GitLab
From e3caadf1f9dfc9d62b5ffc3bd73ebac0c8f26b3f Mon Sep 17 00:00:00 2001
From: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Date: Tue, 2 Apr 2024 12:49:23 +0200
Subject: [PATCH 2225/2686] accel/ivpu: Remove d3hot_after_power_off WA
Always enter D3hot after entering D0i3 an all platforms.
This minimizes power usage.
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402104929.941186-3-jacek.lawrynowicz@linux.intel.com
---
drivers/accel/ivpu/ivpu_drv.c | 20 ++++++++++----------
drivers/accel/ivpu/ivpu_drv.h | 3 +--
drivers/accel/ivpu/ivpu_hw_37xx.c | 4 +---
drivers/accel/ivpu/ivpu_pm.c | 7 ++-----
4 files changed, 14 insertions(+), 20 deletions(-)
diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c
index 39f6d1b98fd6a..303d92753387e 100644
--- a/drivers/accel/ivpu/ivpu_drv.c
+++ b/drivers/accel/ivpu/ivpu_drv.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
*/
#include <linux/firmware.h>
@@ -387,12 +387,15 @@ int ivpu_shutdown(struct ivpu_device *vdev)
{
int ret;
- ivpu_prepare_for_reset(vdev);
+ /* Save PCI state before powering down as it sometimes gets corrupted if NPU hangs */
+ pci_save_state(to_pci_dev(vdev->drm.dev));
ret = ivpu_hw_power_down(vdev);
if (ret)
ivpu_warn(vdev, "Failed to power down HW: %d\n", ret);
+ pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot);
+
return ret;
}
@@ -560,11 +563,11 @@ static int ivpu_dev_init(struct ivpu_device *vdev)
/* Power up early so the rest of init code can access VPU registers */
ret = ivpu_hw_power_up(vdev);
if (ret)
- goto err_power_down;
+ goto err_shutdown;
ret = ivpu_mmu_global_context_init(vdev);
if (ret)
- goto err_power_down;
+ goto err_shutdown;
ret = ivpu_mmu_init(vdev);
if (ret)
@@ -601,10 +604,8 @@ static int ivpu_dev_init(struct ivpu_device *vdev)
ivpu_mmu_reserved_context_fini(vdev);
err_mmu_gctx_fini:
ivpu_mmu_global_context_fini(vdev);
-err_power_down:
- ivpu_hw_power_down(vdev);
- if (IVPU_WA(d3hot_after_power_off))
- pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot);
+err_shutdown:
+ ivpu_shutdown(vdev);
err_xa_destroy:
xa_destroy(&vdev->db_xa);
xa_destroy(&vdev->submitted_jobs_xa);
@@ -628,9 +629,8 @@ static void ivpu_bo_unbind_all_user_contexts(struct ivpu_device *vdev)
static void ivpu_dev_fini(struct ivpu_device *vdev)
{
ivpu_pm_disable(vdev);
+ ivpu_prepare_for_reset(vdev);
ivpu_shutdown(vdev);
- if (IVPU_WA(d3hot_after_power_off))
- pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot);
ivpu_jobs_abort_all(vdev);
ivpu_job_done_consumer_fini(vdev);
diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h
index 7be0500d9bb89..bb4374d0eaecc 100644
--- a/drivers/accel/ivpu/ivpu_drv.h
+++ b/drivers/accel/ivpu/ivpu_drv.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
*/
#ifndef __IVPU_DRV_H__
@@ -90,7 +90,6 @@
struct ivpu_wa_table {
bool punit_disabled;
bool clear_runtime_mem;
- bool d3hot_after_power_off;
bool interrupt_clear_with_0;
bool disable_clock_relinquish;
bool disable_d0i3_msg;
diff --git a/drivers/accel/ivpu/ivpu_hw_37xx.c b/drivers/accel/ivpu/ivpu_hw_37xx.c
index 9a0c9498baba2..5e2865f9f7d6d 100644
--- a/drivers/accel/ivpu/ivpu_hw_37xx.c
+++ b/drivers/accel/ivpu/ivpu_hw_37xx.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
*/
#include "ivpu_drv.h"
@@ -75,7 +75,6 @@ static void ivpu_hw_wa_init(struct ivpu_device *vdev)
{
vdev->wa.punit_disabled = false;
vdev->wa.clear_runtime_mem = false;
- vdev->wa.d3hot_after_power_off = true;
REGB_WR32(VPU_37XX_BUTTRESS_INTERRUPT_STAT, BUTTRESS_ALL_IRQ_MASK);
if (REGB_RD32(VPU_37XX_BUTTRESS_INTERRUPT_STAT) == BUTTRESS_ALL_IRQ_MASK) {
@@ -86,7 +85,6 @@ static void ivpu_hw_wa_init(struct ivpu_device *vdev)
IVPU_PRINT_WA(punit_disabled);
IVPU_PRINT_WA(clear_runtime_mem);
- IVPU_PRINT_WA(d3hot_after_power_off);
IVPU_PRINT_WA(interrupt_clear_with_0);
}
diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c
index 7cce1c928a7f4..9cbd7af6576b4 100644
--- a/drivers/accel/ivpu/ivpu_pm.c
+++ b/drivers/accel/ivpu/ivpu_pm.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
*/
#include <linux/highmem.h>
@@ -58,15 +58,12 @@ static int ivpu_suspend(struct ivpu_device *vdev)
{
int ret;
- /* Save PCI state before powering down as it sometimes gets corrupted if NPU hangs */
- pci_save_state(to_pci_dev(vdev->drm.dev));
+ ivpu_prepare_for_reset(vdev);
ret = ivpu_shutdown(vdev);
if (ret)
ivpu_err(vdev, "Failed to shutdown VPU: %d\n", ret);
- pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot);
-
return ret;
}
--
GitLab
From 3534eacbf101f6e66105f03d869a03893407c384 Mon Sep 17 00:00:00 2001
From: "Wachowski, Karol" <karol.wachowski@intel.com>
Date: Tue, 2 Apr 2024 12:49:24 +0200
Subject: [PATCH 2226/2686] accel/ivpu: Fix PCI D0 state entry in resume
In case of failed power up we end up left in PCI D3hot
state making it impossible to access NPU registers on retry.
Enter D0 state on retry before proceeding with power up sequence.
Fixes: 28083ff18d3f ("accel/ivpu: Fix DevTLB errors on suspend/resume and recovery")
Cc: <stable@vger.kernel.org> # v6.8+
Signed-off-by: Wachowski, Karol <karol.wachowski@intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402104929.941186-4-jacek.lawrynowicz@linux.intel.com
---
drivers/accel/ivpu/ivpu_pm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c
index 9cbd7af6576b4..325b82f8d971c 100644
--- a/drivers/accel/ivpu/ivpu_pm.c
+++ b/drivers/accel/ivpu/ivpu_pm.c
@@ -71,10 +71,10 @@ static int ivpu_resume(struct ivpu_device *vdev)
{
int ret;
- pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D0);
+retry:
pci_restore_state(to_pci_dev(vdev->drm.dev));
+ pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D0);
-retry:
ret = ivpu_hw_power_up(vdev);
if (ret) {
ivpu_err(vdev, "Failed to power up HW: %d\n", ret);
--
GitLab
From 875bc9cd1b33eb027a5663f5e6878a43d98e9a16 Mon Sep 17 00:00:00 2001
From: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Date: Tue, 2 Apr 2024 12:49:25 +0200
Subject: [PATCH 2227/2686] accel/ivpu: Put NPU back to D3hot after failed
resume
Put NPU in D3hot after ivpu_resume() fails to power up the device.
This will assure that D3->D0 power cycle will be performed before
the next resume and also will minimize power usage in this corner case.
Fixes: 28083ff18d3f ("accel/ivpu: Fix DevTLB errors on suspend/resume and recovery")
Cc: <stable@vger.kernel.org> # v6.8+
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402104929.941186-5-jacek.lawrynowicz@linux.intel.com
---
drivers/accel/ivpu/ivpu_pm.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c
index 325b82f8d971c..ba51781b58960 100644
--- a/drivers/accel/ivpu/ivpu_pm.c
+++ b/drivers/accel/ivpu/ivpu_pm.c
@@ -97,6 +97,7 @@ static int ivpu_resume(struct ivpu_device *vdev)
ivpu_mmu_disable(vdev);
err_power_down:
ivpu_hw_power_down(vdev);
+ pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot);
if (!ivpu_fw_is_cold_boot(vdev)) {
ivpu_pm_prepare_cold_boot(vdev);
--
GitLab
From 3556f922612caf4c9b97cf7337626f8342b3dea3 Mon Sep 17 00:00:00 2001
From: "Wachowski, Karol" <karol.wachowski@intel.com>
Date: Tue, 2 Apr 2024 12:49:26 +0200
Subject: [PATCH 2228/2686] accel/ivpu: Improve clarity of MMU error messages
This patch improves readability and clarity of MMU error messages.
Previously, the error strings were somewhat confusing and could lead to
ambiguous interpretations, making it difficult to diagnose issues.
Signed-off-by: Wachowski, Karol <karol.wachowski@intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402104929.941186-6-jacek.lawrynowicz@linux.intel.com
---
drivers/accel/ivpu/ivpu_mmu.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/accel/ivpu/ivpu_mmu.c b/drivers/accel/ivpu/ivpu_mmu.c
index 91bd640655ab3..2e46b322c4505 100644
--- a/drivers/accel/ivpu/ivpu_mmu.c
+++ b/drivers/accel/ivpu/ivpu_mmu.c
@@ -278,7 +278,7 @@ static const char *ivpu_mmu_event_to_str(u32 cmd)
case IVPU_MMU_EVT_F_VMS_FETCH:
return "Fetch of VMS caused external abort";
default:
- return "Unknown CMDQ command";
+ return "Unknown event";
}
}
@@ -286,15 +286,15 @@ static const char *ivpu_mmu_cmdq_err_to_str(u32 err)
{
switch (err) {
case IVPU_MMU_CERROR_NONE:
- return "No CMDQ Error";
+ return "No error";
case IVPU_MMU_CERROR_ILL:
return "Illegal command";
case IVPU_MMU_CERROR_ABT:
- return "External abort on CMDQ read";
+ return "External abort on command queue read";
case IVPU_MMU_CERROR_ATC_INV_SYNC:
return "Sync failed to complete ATS invalidation";
default:
- return "Unknown CMDQ Error";
+ return "Unknown error";
}
}
--
GitLab
From c52c35e5b404b95a5bcff39af9be1b9293be3434 Mon Sep 17 00:00:00 2001
From: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Date: Tue, 2 Apr 2024 12:49:27 +0200
Subject: [PATCH 2229/2686] accel/ivpu: Return max freq for
DRM_IVPU_PARAM_CORE_CLOCK_RATE
DRM_IVPU_PARAM_CORE_CLOCK_RATE returns current NPU frequency which
could be 0 if device was sleeping. This value isn't really useful to
the user space, so return max freq instead which can be used to estimate
NPU performance.
Fixes: c39dc15191c4 ("accel/ivpu: Read clock rate only if device is up")
Cc: <stable@vger.kernel.org> # v6.7
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402104929.941186-7-jacek.lawrynowicz@linux.intel.com
---
drivers/accel/ivpu/ivpu_drv.c | 18 +-----------------
drivers/accel/ivpu/ivpu_hw.h | 6 ++++++
drivers/accel/ivpu/ivpu_hw_37xx.c | 7 ++++---
drivers/accel/ivpu/ivpu_hw_40xx.c | 6 ++++++
4 files changed, 17 insertions(+), 20 deletions(-)
diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c
index 303d92753387e..77283daaedd11 100644
--- a/drivers/accel/ivpu/ivpu_drv.c
+++ b/drivers/accel/ivpu/ivpu_drv.c
@@ -131,22 +131,6 @@ static int ivpu_get_capabilities(struct ivpu_device *vdev, struct drm_ivpu_param
return 0;
}
-static int ivpu_get_core_clock_rate(struct ivpu_device *vdev, u64 *clk_rate)
-{
- int ret;
-
- ret = ivpu_rpm_get_if_active(vdev);
- if (ret < 0)
- return ret;
-
- *clk_rate = ret ? ivpu_hw_reg_pll_freq_get(vdev) : 0;
-
- if (ret)
- ivpu_rpm_put(vdev);
-
- return 0;
-}
-
static int ivpu_get_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
{
struct ivpu_file_priv *file_priv = file->driver_priv;
@@ -170,7 +154,7 @@ static int ivpu_get_param_ioctl(struct drm_device *dev, void *data, struct drm_f
args->value = vdev->platform;
break;
case DRM_IVPU_PARAM_CORE_CLOCK_RATE:
- ret = ivpu_get_core_clock_rate(vdev, &args->value);
+ args->value = ivpu_hw_ratio_to_freq(vdev, vdev->hw->pll.max_ratio);
break;
case DRM_IVPU_PARAM_NUM_CONTEXTS:
args->value = ivpu_get_context_count(vdev);
diff --git a/drivers/accel/ivpu/ivpu_hw.h b/drivers/accel/ivpu/ivpu_hw.h
index b2909168a0a69..094c659d2800b 100644
--- a/drivers/accel/ivpu/ivpu_hw.h
+++ b/drivers/accel/ivpu/ivpu_hw.h
@@ -21,6 +21,7 @@ struct ivpu_hw_ops {
u32 (*profiling_freq_get)(struct ivpu_device *vdev);
void (*profiling_freq_drive)(struct ivpu_device *vdev, bool enable);
u32 (*reg_pll_freq_get)(struct ivpu_device *vdev);
+ u32 (*ratio_to_freq)(struct ivpu_device *vdev, u32 ratio);
u32 (*reg_telemetry_offset_get)(struct ivpu_device *vdev);
u32 (*reg_telemetry_size_get)(struct ivpu_device *vdev);
u32 (*reg_telemetry_enable_get)(struct ivpu_device *vdev);
@@ -130,6 +131,11 @@ static inline u32 ivpu_hw_reg_pll_freq_get(struct ivpu_device *vdev)
return vdev->hw->ops->reg_pll_freq_get(vdev);
};
+static inline u32 ivpu_hw_ratio_to_freq(struct ivpu_device *vdev, u32 ratio)
+{
+ return vdev->hw->ops->ratio_to_freq(vdev, ratio);
+}
+
static inline u32 ivpu_hw_reg_telemetry_offset_get(struct ivpu_device *vdev)
{
return vdev->hw->ops->reg_telemetry_offset_get(vdev);
diff --git a/drivers/accel/ivpu/ivpu_hw_37xx.c b/drivers/accel/ivpu/ivpu_hw_37xx.c
index 5e2865f9f7d6d..bd25e2d9fb0f4 100644
--- a/drivers/accel/ivpu/ivpu_hw_37xx.c
+++ b/drivers/accel/ivpu/ivpu_hw_37xx.c
@@ -803,12 +803,12 @@ static void ivpu_hw_37xx_profiling_freq_drive(struct ivpu_device *vdev, bool ena
/* Profiling freq - is a debug feature. Unavailable on VPU 37XX. */
}
-static u32 ivpu_hw_37xx_pll_to_freq(u32 ratio, u32 config)
+static u32 ivpu_hw_37xx_ratio_to_freq(struct ivpu_device *vdev, u32 ratio)
{
u32 pll_clock = PLL_REF_CLK_FREQ * ratio;
u32 cpu_clock;
- if ((config & 0xff) == PLL_RATIO_4_3)
+ if ((vdev->hw->config & 0xff) == PLL_RATIO_4_3)
cpu_clock = pll_clock * 2 / 4;
else
cpu_clock = pll_clock * 2 / 5;
@@ -827,7 +827,7 @@ static u32 ivpu_hw_37xx_reg_pll_freq_get(struct ivpu_device *vdev)
if (!ivpu_is_silicon(vdev))
return PLL_SIMULATION_FREQ;
- return ivpu_hw_37xx_pll_to_freq(pll_curr_ratio, vdev->hw->config);
+ return ivpu_hw_37xx_ratio_to_freq(vdev, pll_curr_ratio);
}
static u32 ivpu_hw_37xx_reg_telemetry_offset_get(struct ivpu_device *vdev)
@@ -1050,6 +1050,7 @@ const struct ivpu_hw_ops ivpu_hw_37xx_ops = {
.profiling_freq_get = ivpu_hw_37xx_profiling_freq_get,
.profiling_freq_drive = ivpu_hw_37xx_profiling_freq_drive,
.reg_pll_freq_get = ivpu_hw_37xx_reg_pll_freq_get,
+ .ratio_to_freq = ivpu_hw_37xx_ratio_to_freq,
.reg_telemetry_offset_get = ivpu_hw_37xx_reg_telemetry_offset_get,
.reg_telemetry_size_get = ivpu_hw_37xx_reg_telemetry_size_get,
.reg_telemetry_enable_get = ivpu_hw_37xx_reg_telemetry_enable_get,
diff --git a/drivers/accel/ivpu/ivpu_hw_40xx.c b/drivers/accel/ivpu/ivpu_hw_40xx.c
index e4eddbf5d11c2..b0b88d4c89264 100644
--- a/drivers/accel/ivpu/ivpu_hw_40xx.c
+++ b/drivers/accel/ivpu/ivpu_hw_40xx.c
@@ -980,6 +980,11 @@ static u32 ivpu_hw_40xx_reg_pll_freq_get(struct ivpu_device *vdev)
return PLL_RATIO_TO_FREQ(pll_curr_ratio);
}
+static u32 ivpu_hw_40xx_ratio_to_freq(struct ivpu_device *vdev, u32 ratio)
+{
+ return PLL_RATIO_TO_FREQ(ratio);
+}
+
static u32 ivpu_hw_40xx_reg_telemetry_offset_get(struct ivpu_device *vdev)
{
return REGB_RD32(VPU_40XX_BUTTRESS_VPU_TELEMETRY_OFFSET);
@@ -1230,6 +1235,7 @@ const struct ivpu_hw_ops ivpu_hw_40xx_ops = {
.profiling_freq_get = ivpu_hw_40xx_profiling_freq_get,
.profiling_freq_drive = ivpu_hw_40xx_profiling_freq_drive,
.reg_pll_freq_get = ivpu_hw_40xx_reg_pll_freq_get,
+ .ratio_to_freq = ivpu_hw_40xx_ratio_to_freq,
.reg_telemetry_offset_get = ivpu_hw_40xx_reg_telemetry_offset_get,
.reg_telemetry_size_get = ivpu_hw_40xx_reg_telemetry_size_get,
.reg_telemetry_enable_get = ivpu_hw_40xx_reg_telemetry_enable_get,
--
GitLab
From 0d298e23292b7a5b58c5589fe33b96e95363214f Mon Sep 17 00:00:00 2001
From: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Date: Tue, 2 Apr 2024 12:49:28 +0200
Subject: [PATCH 2230/2686] accel/ivpu: Fix missed error message after VPU
rename
Change "VPU" to "NPU" in ivpu_suspend() so it matches all other error
messages.
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402104929.941186-8-jacek.lawrynowicz@linux.intel.com
---
drivers/accel/ivpu/ivpu_pm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c
index ba51781b58960..4f5ea466731ff 100644
--- a/drivers/accel/ivpu/ivpu_pm.c
+++ b/drivers/accel/ivpu/ivpu_pm.c
@@ -62,7 +62,7 @@ static int ivpu_suspend(struct ivpu_device *vdev)
ret = ivpu_shutdown(vdev);
if (ret)
- ivpu_err(vdev, "Failed to shutdown VPU: %d\n", ret);
+ ivpu_err(vdev, "Failed to shutdown NPU: %d\n", ret);
return ret;
}
--
GitLab
From fd7726e75968b27fe98534ccbf47ccd6fef686f3 Mon Sep 17 00:00:00 2001
From: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Date: Tue, 2 Apr 2024 12:49:29 +0200
Subject: [PATCH 2231/2686] accel/ivpu: Fix deadlock in context_xa
ivpu_device->context_xa is locked both in kernel thread and IRQ context.
It requires XA_FLAGS_LOCK_IRQ flag to be passed during initialization
otherwise the lock could be acquired from a thread and interrupted by
an IRQ that locks it for the second time causing the deadlock.
This deadlock was reported by lockdep and observed in internal tests.
Fixes: 35b137630f08 ("accel/ivpu: Introduce a new DRM driver for Intel VPU")
Cc: <stable@vger.kernel.org> # v6.3+
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402104929.941186-9-jacek.lawrynowicz@linux.intel.com
---
drivers/accel/ivpu/ivpu_drv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c
index 77283daaedd11..51d3f1a55d024 100644
--- a/drivers/accel/ivpu/ivpu_drv.c
+++ b/drivers/accel/ivpu/ivpu_drv.c
@@ -517,7 +517,7 @@ static int ivpu_dev_init(struct ivpu_device *vdev)
vdev->context_xa_limit.min = IVPU_USER_CONTEXT_MIN_SSID;
vdev->context_xa_limit.max = IVPU_USER_CONTEXT_MAX_SSID;
atomic64_set(&vdev->unique_id_counter, 0);
- xa_init_flags(&vdev->context_xa, XA_FLAGS_ALLOC);
+ xa_init_flags(&vdev->context_xa, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ);
xa_init_flags(&vdev->submitted_jobs_xa, XA_FLAGS_ALLOC1);
xa_init_flags(&vdev->db_xa, XA_FLAGS_ALLOC1);
lockdep_set_class(&vdev->submitted_jobs_xa.xa_lock, &submitted_jobs_xa_lock_class_key);
--
GitLab
From e9d47b7b31563a6524b9f64ea70ed0289cc4d9c4 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 4 Apr 2024 18:36:45 +0200
Subject: [PATCH 2232/2686] lib: checksum: hide unused
expected_csum_ipv6_magic[]
When CONFIG_NET is disabled, an extra warning shows up for this
unused variable:
lib/checksum_kunit.c:218:18: error: 'expected_csum_ipv6_magic' defined but not used [-Werror=unused-const-variable=]
Replace the #ifdef with an IS_ENABLED() check that makes the compiler's
dead-code-elimination take care of the link failure.
Fixes: f24a70106dc1 ("lib: checksum: Fix build with CONFIG_NET=n")
Suggested-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org> # build-tested
Signed-off-by: David S. Miller <davem@davemloft.net>
---
lib/checksum_kunit.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/lib/checksum_kunit.c b/lib/checksum_kunit.c
index bf70850035c76..404dba36bae38 100644
--- a/lib/checksum_kunit.c
+++ b/lib/checksum_kunit.c
@@ -594,13 +594,15 @@ static void test_ip_fast_csum(struct kunit *test)
static void test_csum_ipv6_magic(struct kunit *test)
{
-#if defined(CONFIG_NET)
const struct in6_addr *saddr;
const struct in6_addr *daddr;
unsigned int len;
unsigned char proto;
__wsum csum;
+ if (!IS_ENABLED(CONFIG_NET))
+ return;
+
const int daddr_offset = sizeof(struct in6_addr);
const int len_offset = sizeof(struct in6_addr) + sizeof(struct in6_addr);
const int proto_offset = sizeof(struct in6_addr) + sizeof(struct in6_addr) +
@@ -618,7 +620,6 @@ static void test_csum_ipv6_magic(struct kunit *test)
CHECK_EQ(to_sum16(expected_csum_ipv6_magic[i]),
csum_ipv6_magic(saddr, daddr, len, proto, csum));
}
-#endif /* !CONFIG_NET */
}
static struct kunit_case __refdata checksum_test_cases[] = {
--
GitLab
From be121ffb384f53e966ee7299ffccc6eeb61bc73d Mon Sep 17 00:00:00 2001
From: Michael Guralnik <michaelgur@nvidia.com>
Date: Wed, 3 Apr 2024 12:03:46 +0300
Subject: [PATCH 2233/2686] RDMA/mlx5: Fix port number for counter query in
multi-port configuration
Set the correct port when querying PPCNT in multi-port configuration.
Distinguish between cases where switchdev mode was enabled to multi-port
configuration and don't overwrite the queried port to 1 in multi-port
case.
Fixes: 74b30b3ad5ce ("RDMA/mlx5: Set local port to one when accessing counters")
Signed-off-by: Michael Guralnik <michaelgur@nvidia.com>
Link: https://lore.kernel.org/r/9bfcc8ade958b760a51408c3ad654a01b11f7d76.1712134988.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>
---
drivers/infiniband/hw/mlx5/mad.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
index 0c3c4e64812c5..3e43687a7f6f7 100644
--- a/drivers/infiniband/hw/mlx5/mad.c
+++ b/drivers/infiniband/hw/mlx5/mad.c
@@ -188,7 +188,8 @@ static int process_pma_cmd(struct mlx5_ib_dev *dev, u32 port_num,
mdev = dev->mdev;
mdev_port_num = 1;
}
- if (MLX5_CAP_GEN(dev->mdev, num_ports) == 1) {
+ if (MLX5_CAP_GEN(dev->mdev, num_ports) == 1 &&
+ !mlx5_core_mp_enabled(mdev)) {
/* set local port to one for Function-Per-Port HCA. */
mdev = dev->mdev;
mdev_port_num = 1;
--
GitLab
From eaac25d026a14be4fe97683103f2a3ae76bff7bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Fri, 5 Apr 2024 09:20:41 +0200
Subject: [PATCH 2234/2686] MAINTAINERS: Drop Li Yang as their email address
stopped working
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
When sending a patch to (among others) Li Yang the nxp MTA replied that
the address doesn't exist and so the mail couldn't be delivered. The
error code was 550, so at least technically that's not a temporal issue.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
MAINTAINERS | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 75381386fe4c3..f389bf6d78a3c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2191,7 +2191,6 @@ N: mxs
ARM/FREESCALE LAYERSCAPE ARM ARCHITECTURE
M: Shawn Guo <shawnguo@kernel.org>
-M: Li Yang <leoyang.li@nxp.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git
@@ -8523,7 +8522,6 @@ S: Maintained
F: drivers/video/fbdev/fsl-diu-fb.*
FREESCALE DMA DRIVER
-M: Li Yang <leoyang.li@nxp.com>
M: Zhang Wei <zw@zh-kernel.org>
L: linuxppc-dev@lists.ozlabs.org
S: Maintained
@@ -8688,10 +8686,9 @@ F: drivers/soc/fsl/qe/tsa.h
F: include/dt-bindings/soc/cpm1-fsl,tsa.h
FREESCALE QUICC ENGINE UCC ETHERNET DRIVER
-M: Li Yang <leoyang.li@nxp.com>
L: netdev@vger.kernel.org
L: linuxppc-dev@lists.ozlabs.org
-S: Maintained
+S: Orphan
F: drivers/net/ethernet/freescale/ucc_geth*
FREESCALE QUICC ENGINE UCC HDLC DRIVER
@@ -8708,10 +8705,9 @@ S: Maintained
F: drivers/tty/serial/ucc_uart.c
FREESCALE SOC DRIVERS
-M: Li Yang <leoyang.li@nxp.com>
L: linuxppc-dev@lists.ozlabs.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
+S: Orphan
F: Documentation/devicetree/bindings/misc/fsl,dpaa2-console.yaml
F: Documentation/devicetree/bindings/soc/fsl/
F: drivers/soc/fsl/
@@ -8745,10 +8741,9 @@ F: Documentation/devicetree/bindings/sound/fsl,qmc-audio.yaml
F: sound/soc/fsl/fsl_qmc_audio.c
FREESCALE USB PERIPHERAL DRIVERS
-M: Li Yang <leoyang.li@nxp.com>
L: linux-usb@vger.kernel.org
L: linuxppc-dev@lists.ozlabs.org
-S: Maintained
+S: Orphan
F: drivers/usb/gadget/udc/fsl*
FREESCALE USB PHY DRIVER
--
GitLab
From d8a6213d70accb403b82924a1c229e733433a5ef Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Fri, 5 Apr 2024 10:30:34 +0000
Subject: [PATCH 2235/2686] geneve: fix header validation in geneve[6]_xmit_skb
syzbot is able to trigger an uninit-value in geneve_xmit() [1]
Problem : While most ip tunnel helpers (like ip_tunnel_get_dsfield())
uses skb_protocol(skb, true), pskb_inet_may_pull() is only using
skb->protocol.
If anything else than ETH_P_IPV6 or ETH_P_IP is found in skb->protocol,
pskb_inet_may_pull() does nothing at all.
If a vlan tag was provided by the caller (af_packet in the syzbot case),
the network header might not point to the correct location, and skb
linear part could be smaller than expected.
Add skb_vlan_inet_prepare() to perform a complete mac validation.
Use this in geneve for the moment, I suspect we need to adopt this
more broadly.
v4 - Jakub reported v3 broke l2_tos_ttl_inherit.sh selftest
- Only call __vlan_get_protocol() for vlan types.
Link: https://lore.kernel.org/netdev/20240404100035.3270a7d5@kernel.org/
v2,v3 - Addressed Sabrina comments on v1 and v2
Link: https://lore.kernel.org/netdev/Zg1l9L2BNoZWZDZG@hog/
[1]
BUG: KMSAN: uninit-value in geneve_xmit_skb drivers/net/geneve.c:910 [inline]
BUG: KMSAN: uninit-value in geneve_xmit+0x302d/0x5420 drivers/net/geneve.c:1030
geneve_xmit_skb drivers/net/geneve.c:910 [inline]
geneve_xmit+0x302d/0x5420 drivers/net/geneve.c:1030
__netdev_start_xmit include/linux/netdevice.h:4903 [inline]
netdev_start_xmit include/linux/netdevice.h:4917 [inline]
xmit_one net/core/dev.c:3531 [inline]
dev_hard_start_xmit+0x247/0xa20 net/core/dev.c:3547
__dev_queue_xmit+0x348d/0x52c0 net/core/dev.c:4335
dev_queue_xmit include/linux/netdevice.h:3091 [inline]
packet_xmit+0x9c/0x6c0 net/packet/af_packet.c:276
packet_snd net/packet/af_packet.c:3081 [inline]
packet_sendmsg+0x8bb0/0x9ef0 net/packet/af_packet.c:3113
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x30f/0x380 net/socket.c:745
__sys_sendto+0x685/0x830 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0x125/0x1d0 net/socket.c:2199
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
Uninit was created at:
slab_post_alloc_hook mm/slub.c:3804 [inline]
slab_alloc_node mm/slub.c:3845 [inline]
kmem_cache_alloc_node+0x613/0xc50 mm/slub.c:3888
kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:577
__alloc_skb+0x35b/0x7a0 net/core/skbuff.c:668
alloc_skb include/linux/skbuff.h:1318 [inline]
alloc_skb_with_frags+0xc8/0xbf0 net/core/skbuff.c:6504
sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2795
packet_alloc_skb net/packet/af_packet.c:2930 [inline]
packet_snd net/packet/af_packet.c:3024 [inline]
packet_sendmsg+0x722d/0x9ef0 net/packet/af_packet.c:3113
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x30f/0x380 net/socket.c:745
__sys_sendto+0x685/0x830 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0x125/0x1d0 net/socket.c:2199
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
CPU: 0 PID: 5033 Comm: syz-executor346 Not tainted 6.9.0-rc1-syzkaller-00005-g928a87efa423 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Fixes: d13f048dd40e ("net: geneve: modify IP header check in geneve6_xmit_skb and geneve_xmit_skb")
Reported-by: syzbot+9ee20ec1de7b3168db09@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/000000000000d19c3a06152f9ee4@google.com/
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Phillip Potter <phil@philpotter.co.uk>
Cc: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Phillip Potter <phil@philpotter.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/geneve.c | 4 ++--
include/net/ip_tunnels.h | 33 +++++++++++++++++++++++++++++++++
2 files changed, 35 insertions(+), 2 deletions(-)
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 2f6739fe78af2..6c2835086b57e 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -822,7 +822,7 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev,
__be16 sport;
int err;
- if (!pskb_inet_may_pull(skb))
+ if (!skb_vlan_inet_prepare(skb))
return -EINVAL;
if (!gs4)
@@ -929,7 +929,7 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev,
__be16 sport;
int err;
- if (!pskb_inet_may_pull(skb))
+ if (!skb_vlan_inet_prepare(skb))
return -EINVAL;
if (!gs6)
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 5cd64bb2104df..c286cc2e766ee 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -361,6 +361,39 @@ static inline bool pskb_inet_may_pull(struct sk_buff *skb)
return pskb_network_may_pull(skb, nhlen);
}
+/* Variant of pskb_inet_may_pull().
+ */
+static inline bool skb_vlan_inet_prepare(struct sk_buff *skb)
+{
+ int nhlen = 0, maclen = ETH_HLEN;
+ __be16 type = skb->protocol;
+
+ /* Essentially this is skb_protocol(skb, true)
+ * And we get MAC len.
+ */
+ if (eth_type_vlan(type))
+ type = __vlan_get_protocol(skb, type, &maclen);
+
+ switch (type) {
+#if IS_ENABLED(CONFIG_IPV6)
+ case htons(ETH_P_IPV6):
+ nhlen = sizeof(struct ipv6hdr);
+ break;
+#endif
+ case htons(ETH_P_IP):
+ nhlen = sizeof(struct iphdr);
+ break;
+ }
+ /* For ETH_P_IPV6/ETH_P_IP we make sure to pull
+ * a base network header in skb->head.
+ */
+ if (!pskb_may_pull(skb, maclen + nhlen))
+ return false;
+
+ skb_set_network_header(skb, maclen);
+ return true;
+}
+
static inline int ip_encap_hlen(struct ip_tunnel_encap *e)
{
const struct ip_tunnel_encap_ops *ops;
--
GitLab
From 58effa3476536215530c9ec4910ffc981613b413 Mon Sep 17 00:00:00 2001
From: Gerd Bayer <gbayer@linux.ibm.com>
Date: Fri, 5 Apr 2024 13:16:06 +0200
Subject: [PATCH 2236/2686] s390/ism: fix receive message buffer allocation
Since [1], dma_alloc_coherent() does not accept requests for GFP_COMP
anymore, even on archs that may be able to fulfill this. Functionality that
relied on the receive buffer being a compound page broke at that point:
The SMC-D protocol, that utilizes the ism device driver, passes receive
buffers to the splice processor in a struct splice_pipe_desc with a
single entry list of struct pages. As the buffer is no longer a compound
page, the splice processor now rejects requests to handle more than a
page worth of data.
Replace dma_alloc_coherent() and allocate a buffer with folio_alloc and
create a DMA map for it with dma_map_page(). Since only receive buffers
on ISM devices use DMA, qualify the mapping as FROM_DEVICE.
Since ISM devices are available on arch s390, only and on that arch all
DMA is coherent, there is no need to introduce and export some kind of
dma_sync_to_cpu() method to be called by the SMC-D protocol layer.
Analogously, replace dma_free_coherent by a two step dma_unmap_page,
then folio_put to free the receive buffer.
[1] https://lore.kernel.org/all/20221113163535.884299-1-hch@lst.de/
Fixes: c08004eede4b ("s390/ism: don't pass bogus GFP_ flags to dma_alloc_coherent")
Signed-off-by: Gerd Bayer <gbayer@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/s390/net/ism_drv.c | 38 +++++++++++++++++++++++++++++---------
1 file changed, 29 insertions(+), 9 deletions(-)
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
index 2c8e964425dc3..affb05521e146 100644
--- a/drivers/s390/net/ism_drv.c
+++ b/drivers/s390/net/ism_drv.c
@@ -14,6 +14,8 @@
#include <linux/err.h>
#include <linux/ctype.h>
#include <linux/processor.h>
+#include <linux/dma-mapping.h>
+#include <linux/mm.h>
#include "ism.h"
@@ -292,13 +294,15 @@ static int ism_read_local_gid(struct ism_dev *ism)
static void ism_free_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
{
clear_bit(dmb->sba_idx, ism->sba_bitmap);
- dma_free_coherent(&ism->pdev->dev, dmb->dmb_len,
- dmb->cpu_addr, dmb->dma_addr);
+ dma_unmap_page(&ism->pdev->dev, dmb->dma_addr, dmb->dmb_len,
+ DMA_FROM_DEVICE);
+ folio_put(virt_to_folio(dmb->cpu_addr));
}
static int ism_alloc_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
{
unsigned long bit;
+ int rc;
if (PAGE_ALIGN(dmb->dmb_len) > dma_get_max_seg_size(&ism->pdev->dev))
return -EINVAL;
@@ -315,14 +319,30 @@ static int ism_alloc_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
test_and_set_bit(dmb->sba_idx, ism->sba_bitmap))
return -EINVAL;
- dmb->cpu_addr = dma_alloc_coherent(&ism->pdev->dev, dmb->dmb_len,
- &dmb->dma_addr,
- GFP_KERNEL | __GFP_NOWARN |
- __GFP_NOMEMALLOC | __GFP_NORETRY);
- if (!dmb->cpu_addr)
- clear_bit(dmb->sba_idx, ism->sba_bitmap);
+ dmb->cpu_addr =
+ folio_address(folio_alloc(GFP_KERNEL | __GFP_NOWARN |
+ __GFP_NOMEMALLOC | __GFP_NORETRY,
+ get_order(dmb->dmb_len)));
- return dmb->cpu_addr ? 0 : -ENOMEM;
+ if (!dmb->cpu_addr) {
+ rc = -ENOMEM;
+ goto out_bit;
+ }
+ dmb->dma_addr = dma_map_page(&ism->pdev->dev,
+ virt_to_page(dmb->cpu_addr), 0,
+ dmb->dmb_len, DMA_FROM_DEVICE);
+ if (dma_mapping_error(&ism->pdev->dev, dmb->dma_addr)) {
+ rc = -ENOMEM;
+ goto out_free;
+ }
+
+ return 0;
+
+out_free:
+ kfree(dmb->cpu_addr);
+out_bit:
+ clear_bit(dmb->sba_idx, ism->sba_bitmap);
+ return rc;
}
int ism_register_dmb(struct ism_dev *ism, struct ism_dmb *dmb,
--
GitLab
From b45d0d01da542be280d935d87b71465028cdcb1f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bernhard=20Rosenkr=C3=A4nzer?= <bero@baylibre.com>
Date: Fri, 29 Mar 2024 16:28:00 +0100
Subject: [PATCH 2237/2686] platform/x86: acer-wmi: Add support for Acer
PH18-71
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add Acer Predator PH18-71 to acer_quirks with predator_v4
to support mode button and fan speed sensor.
Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240329152800.29393-1-bero@baylibre.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/platform/x86/acer-wmi.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index ee2e164f86b9c..38c932df6446a 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -597,6 +597,15 @@ static const struct dmi_system_id acer_quirks[] __initconst = {
},
.driver_data = &quirk_acer_predator_v4,
},
+ {
+ .callback = dmi_matched,
+ .ident = "Acer Predator PH18-71",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH18-71"),
+ },
+ .driver_data = &quirk_acer_predator_v4,
+ },
{
.callback = set_force_caps,
.ident = "Acer Aspire Switch 10E SW3-016",
--
GitLab
From 7ac10c7d728d75bc9daaa8fade3c7a3273b9a9ff Mon Sep 17 00:00:00 2001
From: Vikas Gupta <vikas.gupta@broadcom.com>
Date: Fri, 5 Apr 2024 16:55:11 -0700
Subject: [PATCH 2238/2686] bnxt_en: Fix possible memory leak in
bnxt_rdma_aux_device_init()
If ulp = kzalloc() fails, the allocated edev will leak because it is
not properly assigned and the cleanup path will not be able to free it.
Fix it by assigning it properly immediately after allocation.
Fixes: 303432211324 ("bnxt_en: Remove runtime interrupt vector allocation")
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
index 93f9bd55020f2..a5f9c9090a6b0 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
@@ -392,12 +392,13 @@ void bnxt_rdma_aux_device_init(struct bnxt *bp)
if (!edev)
goto aux_dev_uninit;
+ aux_priv->edev = edev;
+
ulp = kzalloc(sizeof(*ulp), GFP_KERNEL);
if (!ulp)
goto aux_dev_uninit;
edev->ulp_tbl = ulp;
- aux_priv->edev = edev;
bp->edev = edev;
bnxt_set_edev_info(edev, bp);
--
GitLab
From b5ea7d33ba2a42b95b4298d08d2af9cdeeaf0090 Mon Sep 17 00:00:00 2001
From: Vikas Gupta <vikas.gupta@broadcom.com>
Date: Fri, 5 Apr 2024 16:55:12 -0700
Subject: [PATCH 2239/2686] bnxt_en: Fix error recovery for RoCE ulp client
Since runtime MSIXs vector allocation/free has been removed,
the L2 driver needs to repopulate the MSIX entries for the
ulp client as the irq table may change during the recovery
process.
Fixes: 303432211324 ("bnxt_en: Remove runtime interrupt vector allocation")
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
index a5f9c9090a6b0..195c02dc06830 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
@@ -210,6 +210,9 @@ void bnxt_ulp_start(struct bnxt *bp, int err)
if (err)
return;
+ if (edev->ulp_tbl->msix_requested)
+ bnxt_fill_msix_vecs(bp, edev->msix_entries);
+
if (aux_priv) {
struct auxiliary_device *adev;
--
GitLab
From faa12ca245585379d612736a4b5e98e88481ea59 Mon Sep 17 00:00:00 2001
From: Pavan Chebbi <pavan.chebbi@broadcom.com>
Date: Fri, 5 Apr 2024 16:55:13 -0700
Subject: [PATCH 2240/2686] bnxt_en: Reset PTP tx_avail after possible firmware
reset
It is possible that during error recovery and firmware reset,
there is a pending TX PTP packet waiting for the timestamp.
We need to reset this condition so that after recovery, the
tx_avail count for PTP is reset back to the initial value.
Otherwise, we may not accept any PTP TX timestamps after
recovery.
Fixes: 118612d519d8 ("bnxt_en: Add PTP clock APIs, ioctls, and ethtool methods")
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 493b724848c8f..57e61f9631678 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -11758,6 +11758,8 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
/* VF-reps may need to be re-opened after the PF is re-opened */
if (BNXT_PF(bp))
bnxt_vf_reps_open(bp);
+ if (bp->ptp_cfg)
+ atomic_set(&bp->ptp_cfg->tx_avail, BNXT_MAX_TX_TS);
bnxt_ptp_init_rtc(bp, true);
bnxt_ptp_cfg_tstamp_filters(bp);
bnxt_cfg_usr_fltrs(bp);
--
GitLab
From 3c89a068bfd0698a5478f4cf39493595ef757d5e Mon Sep 17 00:00:00 2001
From: Anna-Maria Behnsen <anna-maria@linutronix.de>
Date: Mon, 8 Apr 2024 09:02:23 +0200
Subject: [PATCH 2241/2686] PM: s2idle: Make sure CPUs will wakeup directly on
resume
s2idle works like a regular suspend with freezing processes and freezing
devices. All CPUs except the control CPU go into idle. Once this is
completed the control CPU kicks all other CPUs out of idle, so that they
reenter the idle loop and then enter s2idle state. The control CPU then
issues an swait() on the suspend state and therefore enters the idle loop
as well.
Due to being kicked out of idle, the other CPUs leave their NOHZ states,
which means the tick is active and the corresponding hrtimer is programmed
to the next jiffie.
On entering s2idle the CPUs shut down their local clockevent device to
prevent wakeups. The last CPU which enters s2idle shuts down its local
clockevent and freezes timekeeping.
On resume, one of the CPUs receives the wakeup interrupt, unfreezes
timekeeping and its local clockevent and starts the resume process. At that
point all other CPUs are still in s2idle with their clockevents switched
off. They only resume when they are kicked by another CPU or after resuming
devices and then receiving a device interrupt.
That means there is no guarantee that all CPUs will wakeup directly on
resume. As a consequence there is no guarantee that timers which are queued
on those CPUs and should expire directly after resume, are handled. Also
timer list timers which are remotely queued to one of those CPUs after
resume will not result in a reprogramming IPI as the tick is
active. Queueing a hrtimer will also not result in a reprogramming IPI
because the first hrtimer event is already in the past.
The recent introduction of the timer pull model (7ee988770326 ("timers:
Implement the hierarchical pull model")) amplifies this problem, if the
current migrator is one of the non woken up CPUs. When a non pinned timer
list timer is queued and the queuing CPU goes idle, it relies on the still
suspended migrator CPU to expire the timer which will happen by chance.
The problem exists since commit 8d89835b0467 ("PM: suspend: Do not pause
cpuidle in the suspend-to-idle path"). There the cpuidle_pause() call which
in turn invoked a wakeup for all idle CPUs was moved to a later point in
the resume process. This might not be reached or reached very late because
it waits on a timer of a still suspended CPU.
Address this by kicking all CPUs out of idle after the control CPU returns
from swait() so that they resume their timers and restore consistent system
state.
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218641
Fixes: 8d89835b0467 ("PM: suspend: Do not pause cpuidle in the suspend-to-idle path")
Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Mario Limonciello <mario.limonciello@amd.com>
Cc: 5.16+ <stable@kernel.org> # 5.16+
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
kernel/power/suspend.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index e3ae93bbcb9b5..09f8397bae15f 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -106,6 +106,12 @@ static void s2idle_enter(void)
swait_event_exclusive(s2idle_wait_head,
s2idle_state == S2IDLE_STATE_WAKE);
+ /*
+ * Kick all CPUs to ensure that they resume their timers and restore
+ * consistent system state.
+ */
+ wake_up_all_idle_cpus();
+
cpus_read_unlock();
raw_spin_lock_irq(&s2idle_lock);
--
GitLab
From 5ce344beaca688f4cdea07045e0b8f03dc537e74 Mon Sep 17 00:00:00 2001
From: Adam Dunlap <acdunlap@google.com>
Date: Mon, 18 Mar 2024 16:09:27 -0700
Subject: [PATCH 2242/2686] x86/apic: Force native_apic_mem_read() to use the
MOV instruction
When done from a virtual machine, instructions that touch APIC memory
must be emulated. By convention, MMIO accesses are typically performed
via io.h helpers such as readl() or writeq() to simplify instruction
emulation/decoding (ex: in KVM hosts and SEV guests) [0].
Currently, native_apic_mem_read() does not follow this convention,
allowing the compiler to emit instructions other than the MOV
instruction generated by readl(). In particular, when the kernel is
compiled with clang and run as a SEV-ES or SEV-SNP guest, the compiler
would emit a TESTL instruction which is not supported by the SEV-ES
emulator, causing a boot failure in that environment. It is likely the
same problem would happen in a TDX guest as that uses the same
instruction emulator as SEV-ES.
To make sure all emulators can emulate APIC memory reads via MOV, use
the readl() function in native_apic_mem_read(). It is expected that any
emulator would support MOV in any addressing mode as it is the most
generic and is what is usually emitted currently.
The TESTL instruction is emitted when native_apic_mem_read() is inlined
into apic_mem_wait_icr_idle(). The emulator comes from
insn_decode_mmio() in arch/x86/lib/insn-eval.c. It's not worth it to
extend insn_decode_mmio() to support more instructions since, in theory,
the compiler could choose to output nearly any instruction for such
reads which would bloat the emulator beyond reason.
[0] https://lore.kernel.org/all/20220405232939.73860-12-kirill.shutemov@linux.intel.com/
[ bp: Massage commit message, fix typos. ]
Signed-off-by: Adam Dunlap <acdunlap@google.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Kevin Loughlin <kevinloughlin@google.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20240318230927.2191933-1-acdunlap@google.com
---
arch/x86/include/asm/apic.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 94ce0f7c9d3a2..e6ab0cf15ed57 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -13,6 +13,7 @@
#include <asm/mpspec.h>
#include <asm/msr.h>
#include <asm/hardirq.h>
+#include <asm/io.h>
#define ARCH_APICTIMER_STOPS_ON_C3 1
@@ -98,7 +99,7 @@ static inline void native_apic_mem_write(u32 reg, u32 v)
static inline u32 native_apic_mem_read(u32 reg)
{
- return *((volatile u32 *)(APIC_BASE + reg));
+ return readl((void __iomem *)(APIC_BASE + reg));
}
static inline void native_apic_mem_eoi(void)
--
GitLab
From dfe073f8714dc8022b5578510e2288e5292adeb5 Mon Sep 17 00:00:00 2001
From: Minda Chen <minda.chen@starfivetech.com>
Date: Mon, 8 Apr 2024 09:29:42 +0800
Subject: [PATCH 2243/2686] net: stmmac: mmc_core: Add GMAC LPI statistics
XGMAC MMC has already added LPI statistics. GMAC MMC lack of these
statistics. Add register definition and reading the LPI statistics
from registers.
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/stmicro/stmmac/mmc_core.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
index 7eb477faa75a3..b0db5f4e8fe86 100644
--- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
@@ -79,6 +79,12 @@
#define MMC_RX_FIFO_OVERFLOW 0xd4
#define MMC_RX_VLAN_FRAMES_GB 0xd8
#define MMC_RX_WATCHDOG_ERROR 0xdc
+
+#define MMC_TX_LPI_USEC 0xec
+#define MMC_TX_LPI_TRAN 0xf0
+#define MMC_RX_LPI_USEC 0xf4
+#define MMC_RX_LPI_TRAN 0xf8
+
/* IPC*/
#define MMC_RX_IPC_INTR_MASK 0x100
#define MMC_RX_IPC_INTR 0x108
@@ -283,6 +289,8 @@ static void dwmac_mmc_read(void __iomem *mmcaddr, struct stmmac_counters *mmc)
mmc->mmc_tx_excessdef += readl(mmcaddr + MMC_TX_EXCESSDEF);
mmc->mmc_tx_pause_frame += readl(mmcaddr + MMC_TX_PAUSE_FRAME);
mmc->mmc_tx_vlan_frame_g += readl(mmcaddr + MMC_TX_VLAN_FRAME_G);
+ mmc->mmc_tx_lpi_usec += readl(mmcaddr + MMC_TX_LPI_USEC);
+ mmc->mmc_tx_lpi_tran += readl(mmcaddr + MMC_TX_LPI_TRAN);
/* MMC RX counter registers */
mmc->mmc_rx_framecount_gb += readl(mmcaddr + MMC_RX_FRAMECOUNT_GB);
@@ -316,6 +324,9 @@ static void dwmac_mmc_read(void __iomem *mmcaddr, struct stmmac_counters *mmc)
mmc->mmc_rx_fifo_overflow += readl(mmcaddr + MMC_RX_FIFO_OVERFLOW);
mmc->mmc_rx_vlan_frames_gb += readl(mmcaddr + MMC_RX_VLAN_FRAMES_GB);
mmc->mmc_rx_watchdog_error += readl(mmcaddr + MMC_RX_WATCHDOG_ERROR);
+ mmc->mmc_rx_lpi_usec += readl(mmcaddr + MMC_RX_LPI_USEC);
+ mmc->mmc_rx_lpi_tran += readl(mmcaddr + MMC_RX_LPI_TRAN);
+
/* IPv4 */
mmc->mmc_rx_ipv4_gd += readl(mmcaddr + MMC_RX_IPV4_GD);
mmc->mmc_rx_ipv4_hderr += readl(mmcaddr + MMC_RX_IPV4_HDERR);
--
GitLab
From ff20393bdc4537c5e044e3002d7f25a45f0d0f98 Mon Sep 17 00:00:00 2001
From: Minda Chen <minda.chen@starfivetech.com>
Date: Mon, 8 Apr 2024 09:29:43 +0800
Subject: [PATCH 2244/2686] net: stmmac: mmc_core: Add GMAC mmc tx/rx missing
statistics
The missing statistics including Rx_Receive_Error_Packets and
Tx_OSize_Packets_Good.
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/stmicro/stmmac/mmc.h | 2 ++
drivers/net/ethernet/stmicro/stmmac/mmc_core.c | 4 ++++
drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 2 ++
3 files changed, 8 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc.h b/drivers/net/ethernet/stmicro/stmmac/mmc.h
index dff02d75d5197..5d1ea3e07459a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/mmc.h
+++ b/drivers/net/ethernet/stmicro/stmmac/mmc.h
@@ -52,6 +52,7 @@ struct stmmac_counters {
unsigned int mmc_tx_excessdef;
unsigned int mmc_tx_pause_frame;
unsigned int mmc_tx_vlan_frame_g;
+ unsigned int mmc_tx_oversize_g;
unsigned int mmc_tx_lpi_usec;
unsigned int mmc_tx_lpi_tran;
@@ -80,6 +81,7 @@ struct stmmac_counters {
unsigned int mmc_rx_fifo_overflow;
unsigned int mmc_rx_vlan_frames_gb;
unsigned int mmc_rx_watchdog_error;
+ unsigned int mmc_rx_error;
unsigned int mmc_rx_lpi_usec;
unsigned int mmc_rx_lpi_tran;
unsigned int mmc_rx_discard_frames_gb;
diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
index b0db5f4e8fe86..0fab842902a85 100644
--- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
@@ -53,6 +53,7 @@
#define MMC_TX_EXCESSDEF 0x6c
#define MMC_TX_PAUSE_FRAME 0x70
#define MMC_TX_VLAN_FRAME_G 0x74
+#define MMC_TX_OVERSIZE_G 0x78
/* MMC RX counter registers */
#define MMC_RX_FRAMECOUNT_GB 0x80
@@ -79,6 +80,7 @@
#define MMC_RX_FIFO_OVERFLOW 0xd4
#define MMC_RX_VLAN_FRAMES_GB 0xd8
#define MMC_RX_WATCHDOG_ERROR 0xdc
+#define MMC_RX_ERROR 0xe0
#define MMC_TX_LPI_USEC 0xec
#define MMC_TX_LPI_TRAN 0xf0
@@ -289,6 +291,7 @@ static void dwmac_mmc_read(void __iomem *mmcaddr, struct stmmac_counters *mmc)
mmc->mmc_tx_excessdef += readl(mmcaddr + MMC_TX_EXCESSDEF);
mmc->mmc_tx_pause_frame += readl(mmcaddr + MMC_TX_PAUSE_FRAME);
mmc->mmc_tx_vlan_frame_g += readl(mmcaddr + MMC_TX_VLAN_FRAME_G);
+ mmc->mmc_tx_oversize_g += readl(mmcaddr + MMC_TX_OVERSIZE_G);
mmc->mmc_tx_lpi_usec += readl(mmcaddr + MMC_TX_LPI_USEC);
mmc->mmc_tx_lpi_tran += readl(mmcaddr + MMC_TX_LPI_TRAN);
@@ -324,6 +327,7 @@ static void dwmac_mmc_read(void __iomem *mmcaddr, struct stmmac_counters *mmc)
mmc->mmc_rx_fifo_overflow += readl(mmcaddr + MMC_RX_FIFO_OVERFLOW);
mmc->mmc_rx_vlan_frames_gb += readl(mmcaddr + MMC_RX_VLAN_FRAMES_GB);
mmc->mmc_rx_watchdog_error += readl(mmcaddr + MMC_RX_WATCHDOG_ERROR);
+ mmc->mmc_rx_error += readl(mmcaddr + MMC_RX_ERROR);
mmc->mmc_rx_lpi_usec += readl(mmcaddr + MMC_RX_LPI_USEC);
mmc->mmc_rx_lpi_tran += readl(mmcaddr + MMC_RX_LPI_TRAN);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index e1537a57815f3..542e2633a6f52 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -212,6 +212,7 @@ static const struct stmmac_stats stmmac_mmc[] = {
STMMAC_MMC_STAT(mmc_tx_excessdef),
STMMAC_MMC_STAT(mmc_tx_pause_frame),
STMMAC_MMC_STAT(mmc_tx_vlan_frame_g),
+ STMMAC_MMC_STAT(mmc_tx_oversize_g),
STMMAC_MMC_STAT(mmc_tx_lpi_usec),
STMMAC_MMC_STAT(mmc_tx_lpi_tran),
STMMAC_MMC_STAT(mmc_rx_framecount_gb),
@@ -238,6 +239,7 @@ static const struct stmmac_stats stmmac_mmc[] = {
STMMAC_MMC_STAT(mmc_rx_fifo_overflow),
STMMAC_MMC_STAT(mmc_rx_vlan_frames_gb),
STMMAC_MMC_STAT(mmc_rx_watchdog_error),
+ STMMAC_MMC_STAT(mmc_rx_error),
STMMAC_MMC_STAT(mmc_rx_lpi_usec),
STMMAC_MMC_STAT(mmc_rx_lpi_tran),
STMMAC_MMC_STAT(mmc_rx_discard_frames_gb),
--
GitLab
From c1d11fc2c8320871b40730991071dd0a0b405bc8 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Mon, 8 Apr 2024 09:46:01 +0200
Subject: [PATCH 2245/2686] irqflags: Explicitly ignore lockdep_hrtimer_exit()
argument
When building with 'make W=1' but CONFIG_TRACE_IRQFLAGS=n, the
unused argument to lockdep_hrtimer_exit() causes a warning:
kernel/time/hrtimer.c:1655:14: error: variable 'expires_in_hardirq' set but not used [-Werror=unused-but-set-variable]
This is intentional behavior, so add a cast to void to shut up the warning.
Fixes: 73d20564e0dc ("hrtimer: Don't dereference the hrtimer pointer after the callback")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240408074609.3170807-1-arnd@kernel.org
Closes: https://lore.kernel.org/oe-kbuild-all/202311191229.55QXHVc6-lkp@intel.com/
---
include/linux/irqflags.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h
index 147feebd508ca..3f003d5fde534 100644
--- a/include/linux/irqflags.h
+++ b/include/linux/irqflags.h
@@ -114,7 +114,7 @@ do { \
# define lockdep_softirq_enter() do { } while (0)
# define lockdep_softirq_exit() do { } while (0)
# define lockdep_hrtimer_enter(__hrtimer) false
-# define lockdep_hrtimer_exit(__context) do { } while (0)
+# define lockdep_hrtimer_exit(__context) do { (void)(__context); } while (0)
# define lockdep_posixtimer_enter() do { } while (0)
# define lockdep_posixtimer_exit() do { } while (0)
# define lockdep_irq_work_enter(__work) do { } while (0)
--
GitLab
From fa1f51162338b3e2f520d4bfedc42b3b2e00da6d Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 19 Mar 2024 19:20:50 +0100
Subject: [PATCH 2246/2686] locking: Make rwsem_assert_held_write_nolockdep()
build with PREEMPT_RT=y
The commit cited below broke the build for PREEMPT_RT because
rwsem_assert_held_write_nolockdep() passes a struct rw_semaphore but
rw_base_assert_held_write() expects struct rwbase_rt. Fixing the type alone
leads to the problem that WARN_ON() is not found because bug.h is missing.
In order to resolve this:
- Keep the assert (WARN_ON()) in rwsem.h (not rwbase_rt.h)
- Make rwsem_assert_held_write_nolockdep() do the implementation
specific (rw_base) writer check.
- Replace the "inline" with __always_inline which was used before.
Fixes: f70405afc99b1 ("locking: Add rwsem_assert_held() and rwsem_assert_held_write()")
Reported-by: Clark Williams <williams@redhat.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Waiman Long <longman@redhat.com>
Link: https://lore.kernel.org/r/20240319182050.U4AzUF3I@linutronix.de
---
include/linux/rwbase_rt.h | 4 ++--
include/linux/rwsem.h | 6 +++---
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/include/linux/rwbase_rt.h b/include/linux/rwbase_rt.h
index 29c4e4f243e47..f2394a409c9d5 100644
--- a/include/linux/rwbase_rt.h
+++ b/include/linux/rwbase_rt.h
@@ -31,9 +31,9 @@ static __always_inline bool rw_base_is_locked(const struct rwbase_rt *rwb)
return atomic_read(&rwb->readers) != READER_BIAS;
}
-static inline void rw_base_assert_held_write(const struct rwbase_rt *rwb)
+static __always_inline bool rw_base_is_write_locked(const struct rwbase_rt *rwb)
{
- WARN_ON(atomic_read(&rwb->readers) != WRITER_BIAS);
+ return atomic_read(&rwb->readers) == WRITER_BIAS;
}
static __always_inline bool rw_base_is_contended(const struct rwbase_rt *rwb)
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index 4f1c18992f768..c8b543d428b0a 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -167,14 +167,14 @@ static __always_inline int rwsem_is_locked(const struct rw_semaphore *sem)
return rw_base_is_locked(&sem->rwbase);
}
-static inline void rwsem_assert_held_nolockdep(const struct rw_semaphore *sem)
+static __always_inline void rwsem_assert_held_nolockdep(const struct rw_semaphore *sem)
{
WARN_ON(!rwsem_is_locked(sem));
}
-static inline void rwsem_assert_held_write_nolockdep(const struct rw_semaphore *sem)
+static __always_inline void rwsem_assert_held_write_nolockdep(const struct rw_semaphore *sem)
{
- rw_base_assert_held_write(sem);
+ WARN_ON(!rw_base_is_write_locked(&sem->rwbase));
}
static __always_inline int rwsem_is_contended(struct rw_semaphore *sem)
--
GitLab
From d730192ff0246356a2d7e63ff5bd501060670eec Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Sat, 6 Apr 2024 13:40:52 +0200
Subject: [PATCH 2247/2686] ACPI: scan: Do not increase dep_unmet for already
met dependencies
On the Toshiba Encore WT10-A tablet the BATC battery ACPI device depends
on 3 other devices:
Name (_DEP, Package (0x03) // _DEP: Dependencies
{
I2C1,
GPO2,
GPO0
})
acpi_scan_check_dep() adds all 3 of these to the acpi_dep_list and then
before an acpi_device is created for the BATC handle (and thus before
acpi_scan_dep_init() runs) acpi_scan_clear_dep() gets called for both
GPIO depenencies, with free_when_met not set for the dependencies.
Since there is no adev for BATC yet, there also is no dep_unmet to
decrement. The only result of acpi_scan_clear_dep() in this case is
dep->met getting set.
Soon after acpi_scan_clear_dep() has been called for the GPIO dependencies
the acpi_device gets created for the BATC handle and acpi_scan_dep_init()
runs, this sees 3 dependencies on the acpi_dep_list and initializes
unmet_dep to 3. Later when the dependency for I2C1 is met unmet_dep
becomes 2, but since the 2 GPIO deps where already met it never becomes 0
causing battery monitoring to not work.
Fix this by modifying acpi_scan_dep_init() to not increase dep_met for
dependencies which have already been marked as being met.
Fixes: 3ba12d8de3fa ("ACPI: scan: Reduce overhead related to devices with dependencies")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Cc: 6.5+ <stable@vger.kernel.org> # 6.5+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/acpi/scan.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 7c157bf926956..d1464324de951 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1843,7 +1843,8 @@ static void acpi_scan_dep_init(struct acpi_device *adev)
if (dep->honor_dep)
adev->flags.honor_deps = 1;
- adev->dep_unmet++;
+ if (!dep->met)
+ adev->dep_unmet++;
}
}
}
--
GitLab
From 8ab58f6841b19423231c5db3378691ec80c778f8 Mon Sep 17 00:00:00 2001
From: Thierry Reding <treding@nvidia.com>
Date: Thu, 14 Mar 2024 16:49:43 +0100
Subject: [PATCH 2248/2686] gpu: host1x: Do not setup DMA for virtual devices
The host1x devices are virtual compound devices and do not perform DMA
accesses themselves, so they do not need to be set up for DMA.
Ideally we would also not need to set up DMA masks for the virtual
devices, but we currently still need those for legacy support on old
hardware.
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240314154943.2487549-1-thierry.reding@gmail.com
---
drivers/gpu/host1x/bus.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c
index 783975d1384fc..7c52757a89db9 100644
--- a/drivers/gpu/host1x/bus.c
+++ b/drivers/gpu/host1x/bus.c
@@ -351,11 +351,6 @@ static int host1x_device_uevent(const struct device *dev,
return 0;
}
-static int host1x_dma_configure(struct device *dev)
-{
- return of_dma_configure(dev, dev->of_node, true);
-}
-
static const struct dev_pm_ops host1x_device_pm_ops = {
.suspend = pm_generic_suspend,
.resume = pm_generic_resume,
@@ -369,7 +364,6 @@ const struct bus_type host1x_bus_type = {
.name = "host1x",
.match = host1x_device_match,
.uevent = host1x_device_uevent,
- .dma_configure = host1x_dma_configure,
.pm = &host1x_device_pm_ops,
};
@@ -458,8 +452,6 @@ static int host1x_device_add(struct host1x *host1x,
device->dev.bus = &host1x_bus_type;
device->dev.parent = host1x->dev;
- of_dma_configure(&device->dev, host1x->dev->of_node, true);
-
device->dev.dma_parms = &device->dma_parms;
dma_set_max_seg_size(&device->dev, UINT_MAX);
--
GitLab
From aca1a5287ea328fd1f7e2bfa6806646486d86a70 Mon Sep 17 00:00:00 2001
From: Raag Jadav <raag.jadav@intel.com>
Date: Thu, 28 Mar 2024 09:25:40 +0530
Subject: [PATCH 2249/2686] ACPI: bus: allow _UID matching for integer zero
Commit b2b32a173881 ("ACPI: bus: update acpi_dev_hid_uid_match() to
support multiple types") added _UID matching support for both integer
and string types, which satisfies NULL @uid2 argument for string types
using inversion, but this logic prevents _UID comparision in case the
argument is integer 0, which may result in false positives.
Fix this using _Generic(), which will allow NULL @uid2 argument for
string types as well as _UID matching for all possible integer values.
Fixes: b2b32a173881 ("ACPI: bus: update acpi_dev_hid_uid_match() to support multiple types")
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
[ rjw: Comment adjustment ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
include/acpi/acpi_bus.h | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 5de954e2b18aa..e7796f373d0da 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -911,17 +911,19 @@ static inline bool acpi_int_uid_match(struct acpi_device *adev, u64 uid2)
* acpi_dev_hid_uid_match - Match device by supplied HID and UID
* @adev: ACPI device to match.
* @hid2: Hardware ID of the device.
- * @uid2: Unique ID of the device, pass 0 or NULL to not check _UID.
+ * @uid2: Unique ID of the device, pass NULL to not check _UID.
*
* Matches HID and UID in @adev with given @hid2 and @uid2. Absence of @uid2
* will be treated as a match. If user wants to validate @uid2, it should be
* done before calling this function.
*
- * Returns: %true if matches or @uid2 is 0 or NULL, %false otherwise.
+ * Returns: %true if matches or @uid2 is NULL, %false otherwise.
*/
#define acpi_dev_hid_uid_match(adev, hid2, uid2) \
(acpi_dev_hid_match(adev, hid2) && \
- (!(uid2) || acpi_dev_uid_match(adev, uid2)))
+ /* Distinguish integer 0 from NULL @uid2 */ \
+ (_Generic(uid2, ACPI_STR_TYPES(!(uid2)), default: 0) || \
+ acpi_dev_uid_match(adev, uid2)))
void acpi_dev_clear_dependencies(struct acpi_device *supplier);
bool acpi_dev_ready_for_enumeration(const struct acpi_device *device);
--
GitLab
From 3eadd887dbac1df8f25f701e5d404d1b90fd0fea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Thu, 4 Apr 2024 23:33:25 +0300
Subject: [PATCH 2250/2686] drm/client: Fully protect modes[] with
dev->mode_config.mutex
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The modes[] array contains pointers to modes on the connectors'
mode lists, which are protected by dev->mode_config.mutex.
Thus we need to extend modes[] the same protection or by the
time we use it the elements may already be pointing to
freed/reused memory.
Cc: stable@vger.kernel.org
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10583
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404203336.10454-2-ville.syrjala@linux.intel.com
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/drm_client_modeset.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c
index 871e4e2129d6d..0683a129b3628 100644
--- a/drivers/gpu/drm/drm_client_modeset.c
+++ b/drivers/gpu/drm/drm_client_modeset.c
@@ -777,6 +777,7 @@ int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width,
unsigned int total_modes_count = 0;
struct drm_client_offset *offsets;
unsigned int connector_count = 0;
+ /* points to modes protected by mode_config.mutex */
struct drm_display_mode **modes;
struct drm_crtc **crtcs;
int i, ret = 0;
@@ -845,7 +846,6 @@ int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width,
drm_client_pick_crtcs(client, connectors, connector_count,
crtcs, modes, 0, width, height);
}
- mutex_unlock(&dev->mode_config.mutex);
drm_client_modeset_release(client);
@@ -875,6 +875,7 @@ int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width,
modeset->y = offset->y;
}
}
+ mutex_unlock(&dev->mode_config.mutex);
mutex_unlock(&client->modeset_mutex);
out:
--
GitLab
From 5864e479ca4344f3a5df8074524da24c960f440b Mon Sep 17 00:00:00 2001
From: David McFarland <corngood@gmail.com>
Date: Thu, 4 Apr 2024 08:41:45 -0300
Subject: [PATCH 2251/2686] platform/x86/intel/hid: Don't wake on 5-button
releases
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
If, for example, the power button is configured to suspend, holding it
and releasing it after the machine has suspended, will wake the machine.
Also on some machines, power button release events are sent during
hibernation, even if the button wasn't used to hibernate the machine.
This causes hibernation to be aborted.
Fixes: 0c4cae1bc00d ("PM: hibernate: Avoid missing wakeup events during hibernation")
Signed-off-by: David McFarland <corngood@gmail.com>
Tested-by: Enrik Berkhan <Enrik.Berkhan@inka.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/878r1tpd6u.fsf_-_@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/platform/x86/intel/hid.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/intel/hid.c b/drivers/platform/x86/intel/hid.c
index 7457ca2b27a60..9ffbdc988fe50 100644
--- a/drivers/platform/x86/intel/hid.c
+++ b/drivers/platform/x86/intel/hid.c
@@ -504,6 +504,7 @@ static void notify_handler(acpi_handle handle, u32 event, void *context)
struct platform_device *device = context;
struct intel_hid_priv *priv = dev_get_drvdata(&device->dev);
unsigned long long ev_index;
+ struct key_entry *ke;
int err;
/*
@@ -545,11 +546,15 @@ static void notify_handler(acpi_handle handle, u32 event, void *context)
if (event == 0xc0 || !priv->array)
return;
- if (!sparse_keymap_entry_from_scancode(priv->array, event)) {
+ ke = sparse_keymap_entry_from_scancode(priv->array, event);
+ if (!ke) {
dev_info(&device->dev, "unknown event 0x%x\n", event);
return;
}
+ if (ke->type == KE_IGNORE)
+ return;
+
wakeup:
pm_wakeup_hard_event(&device->dev);
--
GitLab
From 79ce88064bb04ec62c4e9e4da4614d36906f8a04 Mon Sep 17 00:00:00 2001
From: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Date: Fri, 5 Apr 2024 17:56:30 +0530
Subject: [PATCH 2252/2686] platform/x86/intel/hid: Add Lunar Lake and Arrow
Lake support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add INTC107B for Lunar Lake and INTC10CB for Arrow Lake ACPI devices IDs.
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Link: https://lore.kernel.org/r/20240405122630.32154-1-sumeet.r.pawnikar@intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/platform/x86/intel/hid.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/platform/x86/intel/hid.c b/drivers/platform/x86/intel/hid.c
index 9ffbdc988fe50..c7a8276458640 100644
--- a/drivers/platform/x86/intel/hid.c
+++ b/drivers/platform/x86/intel/hid.c
@@ -49,6 +49,8 @@ static const struct acpi_device_id intel_hid_ids[] = {
{"INTC1076", 0},
{"INTC1077", 0},
{"INTC1078", 0},
+ {"INTC107B", 0},
+ {"INTC10CB", 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, intel_hid_ids);
--
GitLab
From 592780b8391fe31f129ef4823c1513528f4dcb76 Mon Sep 17 00:00:00 2001
From: Dave Jiang <dave.jiang@intel.com>
Date: Wed, 3 Apr 2024 08:47:13 -0700
Subject: [PATCH 2253/2686] cxl: Fix retrieving of access_coordinates in PCIe
path
Current loop in cxl_endpoint_get_perf_coordinates() incorrectly assumes
the Root Port (RP) dport is the one with generic port access_coordinate.
However those coordinates are one level up in the Host Bridge (HB).
Current code causes the computation code to pick up 0s as the coordinates
and cause minimal bandwidth to result in 0.
Add check to skip RP when combining coordinates.
Fixes: 14a6960b3e92 ("cxl: Add helper function that calculate performance data for downstream ports")
Reported-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/20240403154844.3403859-3-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
drivers/cxl/core/port.c | 35 ++++++++++++++++++++++-------------
1 file changed, 22 insertions(+), 13 deletions(-)
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 6cbde50a742bf..7aadcec4fc64d 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -2165,6 +2165,11 @@ int cxl_hb_get_perf_coordinates(struct cxl_port *port,
return 0;
}
+static bool parent_port_is_cxl_root(struct cxl_port *port)
+{
+ return is_cxl_root(to_cxl_port(port->dev.parent));
+}
+
/**
* cxl_endpoint_get_perf_coordinates - Retrieve performance numbers stored in dports
* of CXL path
@@ -2184,27 +2189,31 @@ int cxl_endpoint_get_perf_coordinates(struct cxl_port *port,
struct cxl_dport *dport;
struct pci_dev *pdev;
unsigned int bw;
+ bool is_cxl_root;
if (!is_cxl_endpoint(port))
return -EINVAL;
- dport = iter->parent_dport;
-
/*
- * Exit the loop when the parent port of the current port is cxl root.
- * The iterative loop starts at the endpoint and gathers the
- * latency of the CXL link from the current iter to the next downstream
- * port each iteration. If the parent is cxl root then there is
- * nothing to gather.
+ * Exit the loop when the parent port of the current iter port is cxl
+ * root. The iterative loop starts at the endpoint and gathers the
+ * latency of the CXL link from the current device/port to the connected
+ * downstream port each iteration.
*/
- while (!is_cxl_root(to_cxl_port(iter->dev.parent))) {
- cxl_coordinates_combine(&c, &c, &dport->sw_coord);
+ do {
+ dport = iter->parent_dport;
+ iter = to_cxl_port(iter->dev.parent);
+ is_cxl_root = parent_port_is_cxl_root(iter);
+
+ /*
+ * There's no valid access_coordinate for a root port since RPs do not
+ * have CDAT and therefore needs to be skipped.
+ */
+ if (!is_cxl_root)
+ cxl_coordinates_combine(&c, &c, &dport->sw_coord);
c.write_latency += dport->link_latency;
c.read_latency += dport->link_latency;
-
- iter = to_cxl_port(iter->dev.parent);
- dport = iter->parent_dport;
- }
+ } while (!is_cxl_root);
/* Get the calculated PCI paths bandwidth */
pdev = to_pci_dev(port->uport_dev->parent);
--
GitLab
From 51293c565cf4b8d57c154efadb57b17866c74bcb Mon Sep 17 00:00:00 2001
From: Dave Jiang <dave.jiang@intel.com>
Date: Wed, 3 Apr 2024 08:47:14 -0700
Subject: [PATCH 2254/2686] cxl: Fix incorrect region perf data calculation
Current math in cxl_region_perf_data_calculate divides the latency by 1000
every time the function gets called. This causes the region latency to be
divided by 1000 per memory device and the math is incorrect. This is user
visible as the latency access_coordinate exposed via sysfs will show
incorrect latency data.
Normalize values from CDAT to nanoseconds. Adjust sub-nanoseconds latency
to at least 1. Remove adjustment of perf numbers from the generic target
since hmat handling code has already normalized those numbers. Now all
computation and stored numbers should be in nanoseconds.
cxl_hb_get_perf_coordinates() is removed and HB coords are calculated
in the port access_coordinate calculation path since it no longer need
to be treated special.
Fixes: 3d9f4a197230 ("cxl/region: Calculate performance data for a region")
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/20240403154844.3403859-4-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
drivers/cxl/acpi.c | 13 +-----
drivers/cxl/core/cdat.c | 94 ++++++++++++++++++-----------------------
drivers/cxl/core/port.c | 36 ++--------------
drivers/cxl/cxl.h | 2 -
4 files changed, 45 insertions(+), 100 deletions(-)
diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c
index af5cb818f84d6..566c387d43852 100644
--- a/drivers/cxl/acpi.c
+++ b/drivers/cxl/acpi.c
@@ -525,22 +525,11 @@ static int get_genport_coordinates(struct device *dev, struct cxl_dport *dport)
{
struct acpi_device *hb = to_cxl_host_bridge(NULL, dev);
u32 uid;
- int rc;
if (kstrtou32(acpi_device_uid(hb), 0, &uid))
return -EINVAL;
- rc = acpi_get_genport_coordinates(uid, dport->hb_coord);
- if (rc < 0)
- return rc;
-
- /* Adjust back to picoseconds from nanoseconds */
- for (int i = 0; i < ACCESS_COORDINATE_MAX; i++) {
- dport->hb_coord[i].read_latency *= 1000;
- dport->hb_coord[i].write_latency *= 1000;
- }
-
- return 0;
+ return acpi_get_genport_coordinates(uid, dport->hb_coord);
}
static int add_host_bridge_dport(struct device *match, void *arg)
diff --git a/drivers/cxl/core/cdat.c b/drivers/cxl/core/cdat.c
index eddbbe21450ca..f66b493b5d3c5 100644
--- a/drivers/cxl/core/cdat.c
+++ b/drivers/cxl/core/cdat.c
@@ -20,6 +20,36 @@ struct dsmas_entry {
int qos_class;
};
+static u32 cdat_normalize(u16 entry, u64 base, u8 type)
+{
+ u32 value;
+
+ /*
+ * Check for invalid and overflow values
+ */
+ if (entry == 0xffff || !entry)
+ return 0;
+ else if (base > (UINT_MAX / (entry)))
+ return 0;
+
+ /*
+ * CDAT fields follow the format of HMAT fields. See table 5 Device
+ * Scoped Latency and Bandwidth Information Structure in Coherent Device
+ * Attribute Table (CDAT) Specification v1.01.
+ */
+ value = entry * base;
+ switch (type) {
+ case ACPI_HMAT_ACCESS_LATENCY:
+ case ACPI_HMAT_READ_LATENCY:
+ case ACPI_HMAT_WRITE_LATENCY:
+ value = DIV_ROUND_UP(value, 1000);
+ break;
+ default:
+ break;
+ }
+ return value;
+}
+
static int cdat_dsmas_handler(union acpi_subtable_headers *header, void *arg,
const unsigned long end)
{
@@ -97,7 +127,6 @@ static int cdat_dslbis_handler(union acpi_subtable_headers *header, void *arg,
__le16 le_val;
u64 val;
u16 len;
- int rc;
len = le16_to_cpu((__force __le16)hdr->length);
if (len != size || (unsigned long)hdr + len > end) {
@@ -124,10 +153,8 @@ static int cdat_dslbis_handler(union acpi_subtable_headers *header, void *arg,
le_base = (__force __le64)dslbis->entry_base_unit;
le_val = (__force __le16)dslbis->entry[0];
- rc = check_mul_overflow(le64_to_cpu(le_base),
- le16_to_cpu(le_val), &val);
- if (rc)
- pr_warn("DSLBIS value overflowed.\n");
+ val = cdat_normalize(le16_to_cpu(le_val), le64_to_cpu(le_base),
+ dslbis->data_type);
cxl_access_coordinate_set(&dent->coord, dslbis->data_type, val);
@@ -164,7 +191,6 @@ static int cxl_port_perf_data_calculate(struct cxl_port *port,
struct xarray *dsmas_xa)
{
struct access_coordinate ep_c;
- struct access_coordinate coord[ACCESS_COORDINATE_MAX];
struct dsmas_entry *dent;
int valid_entries = 0;
unsigned long index;
@@ -176,12 +202,6 @@ static int cxl_port_perf_data_calculate(struct cxl_port *port,
return rc;
}
- rc = cxl_hb_get_perf_coordinates(port, coord);
- if (rc) {
- dev_dbg(&port->dev, "Failed to retrieve hb perf coordinates.\n");
- return rc;
- }
-
struct cxl_root *cxl_root __free(put_cxl_root) = find_cxl_root(port);
if (!cxl_root)
@@ -194,18 +214,9 @@ static int cxl_port_perf_data_calculate(struct cxl_port *port,
int qos_class;
cxl_coordinates_combine(&dent->coord, &dent->coord, &ep_c);
- /*
- * Keeping the host bridge coordinates separate from the dsmas
- * coordinates in order to allow calculation of access class
- * 0 and 1 for region later.
- */
- cxl_coordinates_combine(&coord[ACCESS_COORDINATE_CPU],
- &coord[ACCESS_COORDINATE_CPU],
- &dent->coord);
dent->entries = 1;
- rc = cxl_root->ops->qos_class(cxl_root,
- &coord[ACCESS_COORDINATE_CPU],
- 1, &qos_class);
+ rc = cxl_root->ops->qos_class(cxl_root, &dent->coord, 1,
+ &qos_class);
if (rc != 1)
continue;
@@ -461,10 +472,8 @@ static int cdat_sslbis_handler(union acpi_subtable_headers *header, void *arg,
le_base = (__force __le64)tbl->sslbis_header.entry_base_unit;
le_val = (__force __le16)tbl->entries[i].latency_or_bandwidth;
-
- if (check_mul_overflow(le64_to_cpu(le_base),
- le16_to_cpu(le_val), &val))
- dev_warn(dev, "SSLBIS value overflowed!\n");
+ val = cdat_normalize(le16_to_cpu(le_val), le64_to_cpu(le_base),
+ sslbis->data_type);
xa_for_each(&port->dports, index, dport) {
if (dsp_id == ACPI_CDAT_SSLBIS_ANY_PORT ||
@@ -521,17 +530,13 @@ void cxl_region_perf_data_calculate(struct cxl_region *cxlr,
struct cxl_endpoint_decoder *cxled)
{
struct cxl_memdev *cxlmd = cxled_to_memdev(cxled);
- struct cxl_port *port = cxlmd->endpoint;
struct cxl_dev_state *cxlds = cxlmd->cxlds;
struct cxl_memdev_state *mds = to_cxl_memdev_state(cxlds);
- struct access_coordinate hb_coord[ACCESS_COORDINATE_MAX];
- struct access_coordinate coord;
struct range dpa = {
.start = cxled->dpa_res->start,
.end = cxled->dpa_res->end,
};
struct cxl_dpa_perf *perf;
- int rc;
switch (cxlr->mode) {
case CXL_DECODER_RAM:
@@ -549,35 +554,16 @@ void cxl_region_perf_data_calculate(struct cxl_region *cxlr,
if (!range_contains(&perf->dpa_range, &dpa))
return;
- rc = cxl_hb_get_perf_coordinates(port, hb_coord);
- if (rc) {
- dev_dbg(&port->dev, "Failed to retrieve hb perf coordinates.\n");
- return;
- }
-
for (int i = 0; i < ACCESS_COORDINATE_MAX; i++) {
- /* Pickup the host bridge coords */
- cxl_coordinates_combine(&coord, &hb_coord[i], &perf->coord);
-
/* Get total bandwidth and the worst latency for the cxl region */
cxlr->coord[i].read_latency = max_t(unsigned int,
cxlr->coord[i].read_latency,
- coord.read_latency);
+ perf->coord.read_latency);
cxlr->coord[i].write_latency = max_t(unsigned int,
cxlr->coord[i].write_latency,
- coord.write_latency);
- cxlr->coord[i].read_bandwidth += coord.read_bandwidth;
- cxlr->coord[i].write_bandwidth += coord.write_bandwidth;
-
- /*
- * Convert latency to nanosec from picosec to be consistent
- * with the resulting latency coordinates computed by the
- * HMAT_REPORTING code.
- */
- cxlr->coord[i].read_latency =
- DIV_ROUND_UP(cxlr->coord[i].read_latency, 1000);
- cxlr->coord[i].write_latency =
- DIV_ROUND_UP(cxlr->coord[i].write_latency, 1000);
+ perf->coord.write_latency);
+ cxlr->coord[i].read_bandwidth += perf->coord.read_bandwidth;
+ cxlr->coord[i].write_bandwidth += perf->coord.write_bandwidth;
}
}
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 7aadcec4fc64d..c7c00eb373af6 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -2133,38 +2133,6 @@ bool schedule_cxl_memdev_detach(struct cxl_memdev *cxlmd)
}
EXPORT_SYMBOL_NS_GPL(schedule_cxl_memdev_detach, CXL);
-/**
- * cxl_hb_get_perf_coordinates - Retrieve performance numbers between initiator
- * and host bridge
- *
- * @port: endpoint cxl_port
- * @coord: output access coordinates
- *
- * Return: errno on failure, 0 on success.
- */
-int cxl_hb_get_perf_coordinates(struct cxl_port *port,
- struct access_coordinate *coord)
-{
- struct cxl_port *iter = port;
- struct cxl_dport *dport;
-
- if (!is_cxl_endpoint(port))
- return -EINVAL;
-
- dport = iter->parent_dport;
- while (iter && !is_cxl_root(to_cxl_port(iter->dev.parent))) {
- iter = to_cxl_port(iter->dev.parent);
- dport = iter->parent_dport;
- }
-
- coord[ACCESS_COORDINATE_LOCAL] =
- dport->hb_coord[ACCESS_COORDINATE_LOCAL];
- coord[ACCESS_COORDINATE_CPU] =
- dport->hb_coord[ACCESS_COORDINATE_CPU];
-
- return 0;
-}
-
static bool parent_port_is_cxl_root(struct cxl_port *port)
{
return is_cxl_root(to_cxl_port(port->dev.parent));
@@ -2215,6 +2183,10 @@ int cxl_endpoint_get_perf_coordinates(struct cxl_port *port,
c.read_latency += dport->link_latency;
} while (!is_cxl_root);
+ dport = iter->parent_dport;
+ /* Retrieve HB coords */
+ cxl_coordinates_combine(&c, &c, dport->hb_coord);
+
/* Get the calculated PCI paths bandwidth */
pdev = to_pci_dev(port->uport_dev->parent);
bw = pcie_bandwidth_available(pdev, NULL, NULL, NULL);
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 534e25e2f0a48..ed02373ce3d90 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -884,8 +884,6 @@ void cxl_switch_parse_cdat(struct cxl_port *port);
int cxl_endpoint_get_perf_coordinates(struct cxl_port *port,
struct access_coordinate *coord);
-int cxl_hb_get_perf_coordinates(struct cxl_port *port,
- struct access_coordinate *coord);
void cxl_region_perf_data_calculate(struct cxl_region *cxlr,
struct cxl_endpoint_decoder *cxled);
--
GitLab
From 001c5d19341a39cb683ab0a18ce4b662a09d96a0 Mon Sep 17 00:00:00 2001
From: Dave Jiang <dave.jiang@intel.com>
Date: Wed, 3 Apr 2024 08:47:15 -0700
Subject: [PATCH 2255/2686] cxl: Consolidate dport access_coordinate ->hb_coord
and ->sw_coord into ->coord
The driver stores access_coordinate for host bridge in ->hb_coord and
switch CDAT access_coordinate in ->sw_coord. Since neither of these
access_coordinate clobber each other, the variable name can be consolidated
into ->coord to simplify the code.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/20240403154844.3403859-5-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
drivers/cxl/acpi.c | 2 +-
drivers/cxl/core/cdat.c | 74 +++++++++++++++++++++++-------------
drivers/cxl/core/port.c | 48 +++++++++++++++++------
drivers/cxl/cxl.h | 6 +--
drivers/cxl/cxlmem.h | 2 +-
tools/testing/cxl/test/cxl.c | 10 +++--
6 files changed, 94 insertions(+), 48 deletions(-)
diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c
index 566c387d43852..cb8c155a2c9b3 100644
--- a/drivers/cxl/acpi.c
+++ b/drivers/cxl/acpi.c
@@ -529,7 +529,7 @@ static int get_genport_coordinates(struct device *dev, struct cxl_dport *dport)
if (kstrtou32(acpi_device_uid(hb), 0, &uid))
return -EINVAL;
- return acpi_get_genport_coordinates(uid, dport->hb_coord);
+ return acpi_get_genport_coordinates(uid, dport->coord);
}
static int add_host_bridge_dport(struct device *match, void *arg)
diff --git a/drivers/cxl/core/cdat.c b/drivers/cxl/core/cdat.c
index f66b493b5d3c5..bb83867d9fec9 100644
--- a/drivers/cxl/core/cdat.c
+++ b/drivers/cxl/core/cdat.c
@@ -14,7 +14,7 @@
struct dsmas_entry {
struct range dpa_range;
u8 handle;
- struct access_coordinate coord;
+ struct access_coordinate coord[ACCESS_COORDINATE_MAX];
int entries;
int qos_class;
@@ -88,8 +88,8 @@ static int cdat_dsmas_handler(union acpi_subtable_headers *header, void *arg,
return 0;
}
-static void cxl_access_coordinate_set(struct access_coordinate *coord,
- int access, unsigned int val)
+static void __cxl_access_coordinate_set(struct access_coordinate *coord,
+ int access, unsigned int val)
{
switch (access) {
case ACPI_HMAT_ACCESS_LATENCY:
@@ -115,6 +115,13 @@ static void cxl_access_coordinate_set(struct access_coordinate *coord,
}
}
+static void cxl_access_coordinate_set(struct access_coordinate *coord,
+ int access, unsigned int val)
+{
+ for (int i = 0; i < ACCESS_COORDINATE_MAX; i++)
+ __cxl_access_coordinate_set(&coord[i], access, val);
+}
+
static int cdat_dslbis_handler(union acpi_subtable_headers *header, void *arg,
const unsigned long end)
{
@@ -156,7 +163,7 @@ static int cdat_dslbis_handler(union acpi_subtable_headers *header, void *arg,
val = cdat_normalize(le16_to_cpu(le_val), le64_to_cpu(le_base),
dslbis->data_type);
- cxl_access_coordinate_set(&dent->coord, dslbis->data_type, val);
+ cxl_access_coordinate_set(dent->coord, dslbis->data_type, val);
return 0;
}
@@ -190,13 +197,13 @@ static int cxl_cdat_endpoint_process(struct cxl_port *port,
static int cxl_port_perf_data_calculate(struct cxl_port *port,
struct xarray *dsmas_xa)
{
- struct access_coordinate ep_c;
+ struct access_coordinate ep_c[ACCESS_COORDINATE_MAX];
struct dsmas_entry *dent;
int valid_entries = 0;
unsigned long index;
int rc;
- rc = cxl_endpoint_get_perf_coordinates(port, &ep_c);
+ rc = cxl_endpoint_get_perf_coordinates(port, ep_c);
if (rc) {
dev_dbg(&port->dev, "Failed to retrieve ep perf coordinates.\n");
return rc;
@@ -213,10 +220,11 @@ static int cxl_port_perf_data_calculate(struct cxl_port *port,
xa_for_each(dsmas_xa, index, dent) {
int qos_class;
- cxl_coordinates_combine(&dent->coord, &dent->coord, &ep_c);
+ cxl_coordinates_combine(dent->coord, dent->coord, ep_c);
dent->entries = 1;
- rc = cxl_root->ops->qos_class(cxl_root, &dent->coord, 1,
- &qos_class);
+ rc = cxl_root->ops->qos_class(cxl_root,
+ &dent->coord[ACCESS_COORDINATE_CPU],
+ 1, &qos_class);
if (rc != 1)
continue;
@@ -233,14 +241,17 @@ static int cxl_port_perf_data_calculate(struct cxl_port *port,
static void update_perf_entry(struct device *dev, struct dsmas_entry *dent,
struct cxl_dpa_perf *dpa_perf)
{
+ for (int i = 0; i < ACCESS_COORDINATE_MAX; i++)
+ dpa_perf->coord[i] = dent->coord[i];
dpa_perf->dpa_range = dent->dpa_range;
- dpa_perf->coord = dent->coord;
dpa_perf->qos_class = dent->qos_class;
dev_dbg(dev,
"DSMAS: dpa: %#llx qos: %d read_bw: %d write_bw %d read_lat: %d write_lat: %d\n",
dent->dpa_range.start, dpa_perf->qos_class,
- dent->coord.read_bandwidth, dent->coord.write_bandwidth,
- dent->coord.read_latency, dent->coord.write_latency);
+ dent->coord[ACCESS_COORDINATE_CPU].read_bandwidth,
+ dent->coord[ACCESS_COORDINATE_CPU].write_bandwidth,
+ dent->coord[ACCESS_COORDINATE_CPU].read_latency,
+ dent->coord[ACCESS_COORDINATE_CPU].write_latency);
}
static void cxl_memdev_set_qos_class(struct cxl_dev_state *cxlds,
@@ -477,10 +488,11 @@ static int cdat_sslbis_handler(union acpi_subtable_headers *header, void *arg,
xa_for_each(&port->dports, index, dport) {
if (dsp_id == ACPI_CDAT_SSLBIS_ANY_PORT ||
- dsp_id == dport->port_id)
- cxl_access_coordinate_set(&dport->sw_coord,
+ dsp_id == dport->port_id) {
+ cxl_access_coordinate_set(dport->coord,
sslbis->data_type,
val);
+ }
}
}
@@ -502,6 +514,21 @@ void cxl_switch_parse_cdat(struct cxl_port *port)
}
EXPORT_SYMBOL_NS_GPL(cxl_switch_parse_cdat, CXL);
+static void __cxl_coordinates_combine(struct access_coordinate *out,
+ struct access_coordinate *c1,
+ struct access_coordinate *c2)
+{
+ if (c1->write_bandwidth && c2->write_bandwidth)
+ out->write_bandwidth = min(c1->write_bandwidth,
+ c2->write_bandwidth);
+ out->write_latency = c1->write_latency + c2->write_latency;
+
+ if (c1->read_bandwidth && c2->read_bandwidth)
+ out->read_bandwidth = min(c1->read_bandwidth,
+ c2->read_bandwidth);
+ out->read_latency = c1->read_latency + c2->read_latency;
+}
+
/**
* cxl_coordinates_combine - Combine the two input coordinates
*
@@ -513,15 +540,8 @@ void cxl_coordinates_combine(struct access_coordinate *out,
struct access_coordinate *c1,
struct access_coordinate *c2)
{
- if (c1->write_bandwidth && c2->write_bandwidth)
- out->write_bandwidth = min(c1->write_bandwidth,
- c2->write_bandwidth);
- out->write_latency = c1->write_latency + c2->write_latency;
-
- if (c1->read_bandwidth && c2->read_bandwidth)
- out->read_bandwidth = min(c1->read_bandwidth,
- c2->read_bandwidth);
- out->read_latency = c1->read_latency + c2->read_latency;
+ for (int i = 0; i < ACCESS_COORDINATE_MAX; i++)
+ __cxl_coordinates_combine(&out[i], &c1[i], &c2[i]);
}
MODULE_IMPORT_NS(CXL);
@@ -558,12 +578,12 @@ void cxl_region_perf_data_calculate(struct cxl_region *cxlr,
/* Get total bandwidth and the worst latency for the cxl region */
cxlr->coord[i].read_latency = max_t(unsigned int,
cxlr->coord[i].read_latency,
- perf->coord.read_latency);
+ perf->coord[i].read_latency);
cxlr->coord[i].write_latency = max_t(unsigned int,
cxlr->coord[i].write_latency,
- perf->coord.write_latency);
- cxlr->coord[i].read_bandwidth += perf->coord.read_bandwidth;
- cxlr->coord[i].write_bandwidth += perf->coord.write_bandwidth;
+ perf->coord[i].write_latency);
+ cxlr->coord[i].read_bandwidth += perf->coord[i].read_bandwidth;
+ cxlr->coord[i].write_bandwidth += perf->coord[i].write_bandwidth;
}
}
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index c7c00eb373af6..801c4018a1dde 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -2133,6 +2133,29 @@ bool schedule_cxl_memdev_detach(struct cxl_memdev *cxlmd)
}
EXPORT_SYMBOL_NS_GPL(schedule_cxl_memdev_detach, CXL);
+static void add_latency(struct access_coordinate *c, long latency)
+{
+ for (int i = 0; i < ACCESS_COORDINATE_MAX; i++) {
+ c[i].write_latency += latency;
+ c[i].read_latency += latency;
+ }
+}
+
+static void set_min_bandwidth(struct access_coordinate *c, unsigned int bw)
+{
+ for (int i = 0; i < ACCESS_COORDINATE_MAX; i++) {
+ c[i].write_bandwidth = min(c[i].write_bandwidth, bw);
+ c[i].read_bandwidth = min(c[i].read_bandwidth, bw);
+ }
+}
+
+static void set_access_coordinates(struct access_coordinate *out,
+ struct access_coordinate *in)
+{
+ for (int i = 0; i < ACCESS_COORDINATE_MAX; i++)
+ out[i] = in[i];
+}
+
static bool parent_port_is_cxl_root(struct cxl_port *port)
{
return is_cxl_root(to_cxl_port(port->dev.parent));
@@ -2149,9 +2172,15 @@ static bool parent_port_is_cxl_root(struct cxl_port *port)
int cxl_endpoint_get_perf_coordinates(struct cxl_port *port,
struct access_coordinate *coord)
{
- struct access_coordinate c = {
- .read_bandwidth = UINT_MAX,
- .write_bandwidth = UINT_MAX,
+ struct access_coordinate c[] = {
+ {
+ .read_bandwidth = UINT_MAX,
+ .write_bandwidth = UINT_MAX,
+ },
+ {
+ .read_bandwidth = UINT_MAX,
+ .write_bandwidth = UINT_MAX,
+ },
};
struct cxl_port *iter = port;
struct cxl_dport *dport;
@@ -2178,14 +2207,13 @@ int cxl_endpoint_get_perf_coordinates(struct cxl_port *port,
* have CDAT and therefore needs to be skipped.
*/
if (!is_cxl_root)
- cxl_coordinates_combine(&c, &c, &dport->sw_coord);
- c.write_latency += dport->link_latency;
- c.read_latency += dport->link_latency;
+ cxl_coordinates_combine(c, c, dport->coord);
+ add_latency(c, dport->link_latency);
} while (!is_cxl_root);
dport = iter->parent_dport;
/* Retrieve HB coords */
- cxl_coordinates_combine(&c, &c, dport->hb_coord);
+ cxl_coordinates_combine(c, c, dport->coord);
/* Get the calculated PCI paths bandwidth */
pdev = to_pci_dev(port->uport_dev->parent);
@@ -2194,10 +2222,8 @@ int cxl_endpoint_get_perf_coordinates(struct cxl_port *port,
return -ENXIO;
bw /= BITS_PER_BYTE;
- c.write_bandwidth = min(c.write_bandwidth, bw);
- c.read_bandwidth = min(c.read_bandwidth, bw);
-
- *coord = c;
+ set_min_bandwidth(c, bw);
+ set_access_coordinates(coord, c);
return 0;
}
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index ed02373ce3d90..036d17db68e00 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -663,8 +663,7 @@ struct cxl_rcrb_info {
* @rch: Indicate whether this dport was enumerated in RCH or VH mode
* @port: reference to cxl_port that contains this downstream port
* @regs: Dport parsed register blocks
- * @sw_coord: access coordinates (performance) for switch from CDAT
- * @hb_coord: access coordinates (performance) from ACPI generic port (host bridge)
+ * @coord: access coordinates (bandwidth and latency performance attributes)
* @link_latency: calculated PCIe downstream latency
*/
struct cxl_dport {
@@ -675,8 +674,7 @@ struct cxl_dport {
bool rch;
struct cxl_port *port;
struct cxl_regs regs;
- struct access_coordinate sw_coord;
- struct access_coordinate hb_coord[ACCESS_COORDINATE_MAX];
+ struct access_coordinate coord[ACCESS_COORDINATE_MAX];
long link_latency;
};
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h
index 20fb3b35e89e0..36cee9c30cebd 100644
--- a/drivers/cxl/cxlmem.h
+++ b/drivers/cxl/cxlmem.h
@@ -401,7 +401,7 @@ enum cxl_devtype {
*/
struct cxl_dpa_perf {
struct range dpa_range;
- struct access_coordinate coord;
+ struct access_coordinate coord[ACCESS_COORDINATE_MAX];
int qos_class;
};
diff --git a/tools/testing/cxl/test/cxl.c b/tools/testing/cxl/test/cxl.c
index 908e0d0839369..61c69297e7978 100644
--- a/tools/testing/cxl/test/cxl.c
+++ b/tools/testing/cxl/test/cxl.c
@@ -986,10 +986,12 @@ static void dpa_perf_setup(struct cxl_port *endpoint, struct range *range,
{
dpa_perf->qos_class = FAKE_QTG_ID;
dpa_perf->dpa_range = *range;
- dpa_perf->coord.read_latency = 500;
- dpa_perf->coord.write_latency = 500;
- dpa_perf->coord.read_bandwidth = 1000;
- dpa_perf->coord.write_bandwidth = 1000;
+ for (int i = 0; i < ACCESS_COORDINATE_MAX; i++) {
+ dpa_perf->coord[i].read_latency = 500;
+ dpa_perf->coord[i].write_latency = 500;
+ dpa_perf->coord[i].read_bandwidth = 1000;
+ dpa_perf->coord[i].write_bandwidth = 1000;
+ }
}
static void mock_cxl_endpoint_parse_cdat(struct cxl_port *port)
--
GitLab
From 7bcf809b1e7889ab7e75fe1fcf8f1a98332f36d2 Mon Sep 17 00:00:00 2001
From: Dave Jiang <dave.jiang@intel.com>
Date: Wed, 3 Apr 2024 08:47:16 -0700
Subject: [PATCH 2256/2686] cxl: Add checks to access_coordinate calculation to
fail missing data
Jonathan noted that when the coordinates for host bridge and switches
can be 0s if no actual data are retrieved and the calculation continues.
The resulting number would be inaccurate. Add checks to ensure that the
calculation would complete only if the numbers are valid.
While not seen in the wild, issue may show up with a BIOS that reported
CXL root ports via Generic Ports (via a PCI handle in the SRAT entry).
Fixes: 14a6960b3e92 ("cxl: Add helper function that calculate performance data for downstream ports")
Reported-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/20240403154844.3403859-6-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
drivers/cxl/core/port.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 801c4018a1dde..762783bb091af 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -2141,6 +2141,18 @@ static void add_latency(struct access_coordinate *c, long latency)
}
}
+static bool coordinates_valid(struct access_coordinate *c)
+{
+ for (int i = 0; i < ACCESS_COORDINATE_MAX; i++) {
+ if (c[i].read_bandwidth && c[i].write_bandwidth &&
+ c[i].read_latency && c[i].write_latency)
+ continue;
+ return false;
+ }
+
+ return true;
+}
+
static void set_min_bandwidth(struct access_coordinate *c, unsigned int bw)
{
for (int i = 0; i < ACCESS_COORDINATE_MAX; i++) {
@@ -2206,13 +2218,18 @@ int cxl_endpoint_get_perf_coordinates(struct cxl_port *port,
* There's no valid access_coordinate for a root port since RPs do not
* have CDAT and therefore needs to be skipped.
*/
- if (!is_cxl_root)
+ if (!is_cxl_root) {
+ if (!coordinates_valid(dport->coord))
+ return -EINVAL;
cxl_coordinates_combine(c, c, dport->coord);
+ }
add_latency(c, dport->link_latency);
} while (!is_cxl_root);
dport = iter->parent_dport;
/* Retrieve HB coords */
+ if (!coordinates_valid(dport->coord))
+ return -EINVAL;
cxl_coordinates_combine(c, c, dport->coord);
/* Get the calculated PCI paths bandwidth */
--
GitLab
From 0dd50b3e2c3d651ea972c97cff1af67870f3deaf Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Tue, 2 Apr 2024 14:43:51 +0200
Subject: [PATCH 2257/2686] platform/x86: toshiba_acpi: Silence logging for
some events
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Stop logging unknown event / unknown keycode messages on suspend /
resume on a Toshiba Portege Z830:
1. The Toshiba Portege Z830 sends a 0x8e event when the power button
is pressed, ignore this.
2. The Toshiba Portege Z830 sends a 0xe00 hotkey event on resume from
suspend, ignore this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240402124351.167152-1-hdegoede@redhat.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/platform/x86/toshiba_acpi.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 291f14ef67024..77244c9aa60d2 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -264,6 +264,7 @@ static const struct key_entry toshiba_acpi_keymap[] = {
{ KE_KEY, 0xb32, { KEY_NEXTSONG } },
{ KE_KEY, 0xb33, { KEY_PLAYPAUSE } },
{ KE_KEY, 0xb5a, { KEY_MEDIA } },
+ { KE_IGNORE, 0x0e00, { KEY_RESERVED } }, /* Wake from sleep */
{ KE_IGNORE, 0x1430, { KEY_RESERVED } }, /* Wake from sleep */
{ KE_IGNORE, 0x1501, { KEY_RESERVED } }, /* Output changed */
{ KE_IGNORE, 0x1502, { KEY_RESERVED } }, /* HDMI plugged/unplugged */
@@ -3523,9 +3524,10 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
(dev->kbd_mode == SCI_KBD_MODE_ON) ?
LED_FULL : LED_OFF);
break;
+ case 0x8e: /* Power button pressed */
+ break;
case 0x85: /* Unknown */
case 0x8d: /* Unknown */
- case 0x8e: /* Unknown */
case 0x94: /* Unknown */
case 0x95: /* Unknown */
default:
--
GitLab
From 868adf8a29179c00309ddd8ffe0afa2043f42cb5 Mon Sep 17 00:00:00 2001
From: Gwendal Grignou <gwendal@chromium.org>
Date: Fri, 29 Mar 2024 07:32:05 -0700
Subject: [PATCH 2258/2686] platform/x86: intel-vbtn: Use acpi_has_method to
check for switch
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The check for a device having virtual buttons is done using
acpi_has_method(..."VBDL"). Mimic that for checking virtual switch
presence.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240329143206.2977734-2-gwendal@chromium.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/platform/x86/intel/vbtn.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/platform/x86/intel/vbtn.c b/drivers/platform/x86/intel/vbtn.c
index 084c355c86f5f..48f0ac19d6ddf 100644
--- a/drivers/platform/x86/intel/vbtn.c
+++ b/drivers/platform/x86/intel/vbtn.c
@@ -258,9 +258,6 @@ static const struct dmi_system_id dmi_switches_allow_list[] = {
static bool intel_vbtn_has_switches(acpi_handle handle, bool dual_accel)
{
- unsigned long long vgbs;
- acpi_status status;
-
/* See dual_accel_detect.h for more info */
if (dual_accel)
return false;
@@ -268,8 +265,7 @@ static bool intel_vbtn_has_switches(acpi_handle handle, bool dual_accel)
if (!dmi_check_system(dmi_switches_allow_list))
return false;
- status = acpi_evaluate_integer(handle, "VGBS", NULL, &vgbs);
- return ACPI_SUCCESS(status);
+ return acpi_has_method(handle, "VGBS");
}
static int intel_vbtn_probe(struct platform_device *device)
--
GitLab
From 434e5781d8cd2d0ed512d920c6cdeba4b33a2e81 Mon Sep 17 00:00:00 2001
From: Gwendal Grignou <gwendal@chromium.org>
Date: Fri, 29 Mar 2024 07:32:06 -0700
Subject: [PATCH 2259/2686] platform/x86: intel-vbtn: Update tablet mode switch
at end of probe
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
ACER Vivobook Flip (TP401NAS) virtual intel switch is implemented as
follow:
Device (VGBI)
{
Name (_HID, EisaId ("INT33D6") ...
Name (VBDS, Zero)
Method (_STA, 0, Serialized) // _STA: Status ...
Method (VBDL, 0, Serialized)
{
PB1E |= 0x20
VBDS |= 0x40
}
Method (VGBS, 0, Serialized)
{
Return (VBDS) /* \_SB_.PCI0.SBRG.EC0_.VGBI.VBDS */
}
...
}
By default VBDS is set to 0. At boot it is set to clamshell (bit 6 set)
only after method VBDL is executed.
Since VBDL is now evaluated in the probe routine later, after the device
is registered, the retrieved value of VBDS was still 0 ("tablet mode")
when setting up the virtual switch.
Make sure to evaluate VGBS after VBDL, to ensure the
convertible boots in clamshell mode, the expected default.
Fixes: 26173179fae1 ("platform/x86: intel-vbtn: Eval VBDL after registering our notifier")
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240329143206.2977734-3-gwendal@chromium.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/platform/x86/intel/vbtn.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/platform/x86/intel/vbtn.c b/drivers/platform/x86/intel/vbtn.c
index 48f0ac19d6ddf..79bb2c801daa9 100644
--- a/drivers/platform/x86/intel/vbtn.c
+++ b/drivers/platform/x86/intel/vbtn.c
@@ -136,8 +136,6 @@ static int intel_vbtn_input_setup(struct platform_device *device)
priv->switches_dev->id.bustype = BUS_HOST;
if (priv->has_switches) {
- detect_tablet_mode(&device->dev);
-
ret = input_register_device(priv->switches_dev);
if (ret)
return ret;
@@ -312,6 +310,9 @@ static int intel_vbtn_probe(struct platform_device *device)
if (ACPI_FAILURE(status))
dev_err(&device->dev, "Error VBDL failed with ACPI status %d\n", status);
}
+ // Check switches after buttons since VBDL may have side effects.
+ if (has_switches)
+ detect_tablet_mode(&device->dev);
device_init_wakeup(&device->dev, true);
/*
--
GitLab
From e71c8481692582c70cdfd0996c20cdcc71e425d3 Mon Sep 17 00:00:00 2001
From: Gergo Koteles <soyer@irl.hu>
Date: Wed, 3 Apr 2024 16:34:27 +0200
Subject: [PATCH 2260/2686] platform/x86: lg-laptop: fix %s null argument
warning
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
W=1 warns about null argument to kprintf:
warning: ‘%s’ directive argument is null [-Wformat-overflow=]
pr_info("product: %s year: %d\n", product, year);
Use "unknown" instead of NULL.
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Link: https://lore.kernel.org/r/33d40e976f08f82b9227d0ecae38c787fcc0c0b2.1712154684.git.soyer@irl.hu
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/platform/x86/lg-laptop.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/platform/x86/lg-laptop.c b/drivers/platform/x86/lg-laptop.c
index ad3c39e9e9f58..e714ee6298dda 100644
--- a/drivers/platform/x86/lg-laptop.c
+++ b/drivers/platform/x86/lg-laptop.c
@@ -736,7 +736,7 @@ static int acpi_add(struct acpi_device *device)
default:
year = 2019;
}
- pr_info("product: %s year: %d\n", product, year);
+ pr_info("product: %s year: %d\n", product ?: "unknown", year);
if (year >= 2019)
battery_limit_use_wmbb = 1;
--
GitLab
From 7b1f6b5aaec0f849e19c3e99d4eea75876853cdd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Tue, 2 Apr 2024 18:50:03 +0300
Subject: [PATCH 2261/2686] drm/i915/cdclk: Fix CDCLK programming order when
pipes are active
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Currently we always reprogram CDCLK from the
intel_set_cdclk_pre_plane_update() when using squash/crawl.
The code only works correctly for the cd2x update or full
modeset cases, and it was simply never updated to deal with
squash/crawl.
If the CDCLK frequency is increasing we must reprogram it
before we do anything else that might depend on the new
higher frequency, and conversely we must not decrease
the frequency until everything that might still depend
on the old higher frequency has been dealt with.
Since cdclk_state->pipe is only relevant when doing a cd2x
update we can't use it to determine the correct sequence
during squash/crawl. To that end introduce cdclk_state->disable_pipes
which simply indicates that we must perform the update
while the pipes are disable (ie. during
intel_set_cdclk_pre_plane_update()). Otherwise we use the
same old vs. new CDCLK frequency comparsiong as for cd2x
updates.
The only remaining problem case is when the voltage_level
needs to increase due to a DDI port, but the CDCLK frequency
is decreasing (and not all pipes are being disabled). The
current approach will not bump the voltage level up until
after the port has already been enabled, which is too late.
But we'll take care of that case separately.
v2: Don't break the "must disable pipes case"
v3: Keep the on stack 'pipe' for future use
Cc: stable@vger.kernel.org
Fixes: d62686ba3b54 ("drm/i915/adl_p: CDCLK crawl support for ADL")
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402155016.13733-2-ville.syrjala@linux.intel.com
(cherry picked from commit 3aecee90ac12a351905f12dda7643d5b0676d6ca)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_cdclk.c | 7 +++++--
drivers/gpu/drm/i915/display/intel_cdclk.h | 3 +++
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index ed89b86ea625a..4833479e2e178 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -2543,7 +2543,7 @@ intel_set_cdclk_pre_plane_update(struct intel_atomic_state *state)
if (IS_DG2(i915))
intel_cdclk_pcode_pre_notify(state);
- if (pipe == INVALID_PIPE ||
+ if (new_cdclk_state->disable_pipes ||
old_cdclk_state->actual.cdclk <= new_cdclk_state->actual.cdclk) {
drm_WARN_ON(&i915->drm, !new_cdclk_state->base.changed);
@@ -2575,7 +2575,7 @@ intel_set_cdclk_post_plane_update(struct intel_atomic_state *state)
if (IS_DG2(i915))
intel_cdclk_pcode_post_notify(state);
- if (pipe != INVALID_PIPE &&
+ if (!new_cdclk_state->disable_pipes &&
old_cdclk_state->actual.cdclk > new_cdclk_state->actual.cdclk) {
drm_WARN_ON(&i915->drm, !new_cdclk_state->base.changed);
@@ -3058,6 +3058,7 @@ static struct intel_global_state *intel_cdclk_duplicate_state(struct intel_globa
return NULL;
cdclk_state->pipe = INVALID_PIPE;
+ cdclk_state->disable_pipes = false;
return &cdclk_state->base;
}
@@ -3236,6 +3237,8 @@ int intel_modeset_calc_cdclk(struct intel_atomic_state *state)
if (ret)
return ret;
+ new_cdclk_state->disable_pipes = true;
+
drm_dbg_kms(&dev_priv->drm,
"Modeset required for cdclk change\n");
}
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.h b/drivers/gpu/drm/i915/display/intel_cdclk.h
index 48fd7d39e0cd9..71bc032bfef16 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.h
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.h
@@ -51,6 +51,9 @@ struct intel_cdclk_state {
/* bitmask of active pipes */
u8 active_pipes;
+
+ /* update cdclk with pipes disabled */
+ bool disable_pipes;
};
int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state);
--
GitLab
From 6154cc9177ccea00c89ce0bf93352e474b819ff2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Tue, 2 Apr 2024 18:50:04 +0300
Subject: [PATCH 2262/2686] drm/i915/cdclk: Fix voltage_level programming edge
case
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Currently we only consider the relationship of the
old and new CDCLK frequencies when determining whether
to do the repgramming from intel_set_cdclk_pre_plane_update()
or intel_set_cdclk_post_plane_update().
It is technically possible to have a situation where the
CDCLK frequency is decreasing, but the voltage_level is
increasing due a DDI port. In this case we should bump
the voltage level already in intel_set_cdclk_pre_plane_update()
(so that the voltage_level will have been increased by the
time the port gets enabled), while leaving the CDCLK frequency
unchanged (as active planes/etc. may still depend on it).
We can then reduce the CDCLK frequency to its final value
from intel_set_cdclk_post_plane_update().
In order to handle that correctly we shall construct a
suitable amalgam of the old and new cdclk states in
intel_set_cdclk_pre_plane_update().
And we can simply call intel_set_cdclk() unconditionally
in both places as it will not do anything if nothing actually
changes vs. the current hw state.
v2: Handle cdclk_state->disable_pipes
v3: Only synchronize the cd2x update against the pipe's vblank
when the cdclk frequency is changing during the current
commit phase (Gustavo)
Cc: stable@vger.kernel.org
Cc: Gustavo Sousa <gustavo.sousa@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402155016.13733-3-ville.syrjala@linux.intel.com
(cherry picked from commit 34d127e2bdef73a923aa0dcd95cbc3257ad5af52)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_cdclk.c | 37 ++++++++++++++++------
1 file changed, 27 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 4833479e2e178..f672bfd70d455 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -2534,7 +2534,8 @@ intel_set_cdclk_pre_plane_update(struct intel_atomic_state *state)
intel_atomic_get_old_cdclk_state(state);
const struct intel_cdclk_state *new_cdclk_state =
intel_atomic_get_new_cdclk_state(state);
- enum pipe pipe = new_cdclk_state->pipe;
+ struct intel_cdclk_config cdclk_config;
+ enum pipe pipe;
if (!intel_cdclk_changed(&old_cdclk_state->actual,
&new_cdclk_state->actual))
@@ -2543,12 +2544,25 @@ intel_set_cdclk_pre_plane_update(struct intel_atomic_state *state)
if (IS_DG2(i915))
intel_cdclk_pcode_pre_notify(state);
- if (new_cdclk_state->disable_pipes ||
- old_cdclk_state->actual.cdclk <= new_cdclk_state->actual.cdclk) {
- drm_WARN_ON(&i915->drm, !new_cdclk_state->base.changed);
+ if (new_cdclk_state->disable_pipes) {
+ cdclk_config = new_cdclk_state->actual;
+ pipe = INVALID_PIPE;
+ } else {
+ if (new_cdclk_state->actual.cdclk >= old_cdclk_state->actual.cdclk) {
+ cdclk_config = new_cdclk_state->actual;
+ pipe = new_cdclk_state->pipe;
+ } else {
+ cdclk_config = old_cdclk_state->actual;
+ pipe = INVALID_PIPE;
+ }
- intel_set_cdclk(i915, &new_cdclk_state->actual, pipe);
+ cdclk_config.voltage_level = max(new_cdclk_state->actual.voltage_level,
+ old_cdclk_state->actual.voltage_level);
}
+
+ drm_WARN_ON(&i915->drm, !new_cdclk_state->base.changed);
+
+ intel_set_cdclk(i915, &cdclk_config, pipe);
}
/**
@@ -2566,7 +2580,7 @@ intel_set_cdclk_post_plane_update(struct intel_atomic_state *state)
intel_atomic_get_old_cdclk_state(state);
const struct intel_cdclk_state *new_cdclk_state =
intel_atomic_get_new_cdclk_state(state);
- enum pipe pipe = new_cdclk_state->pipe;
+ enum pipe pipe;
if (!intel_cdclk_changed(&old_cdclk_state->actual,
&new_cdclk_state->actual))
@@ -2576,11 +2590,14 @@ intel_set_cdclk_post_plane_update(struct intel_atomic_state *state)
intel_cdclk_pcode_post_notify(state);
if (!new_cdclk_state->disable_pipes &&
- old_cdclk_state->actual.cdclk > new_cdclk_state->actual.cdclk) {
- drm_WARN_ON(&i915->drm, !new_cdclk_state->base.changed);
+ new_cdclk_state->actual.cdclk < old_cdclk_state->actual.cdclk)
+ pipe = new_cdclk_state->pipe;
+ else
+ pipe = INVALID_PIPE;
- intel_set_cdclk(i915, &new_cdclk_state->actual, pipe);
- }
+ drm_WARN_ON(&i915->drm, !new_cdclk_state->base.changed);
+
+ intel_set_cdclk(i915, &new_cdclk_state->actual, pipe);
}
static int intel_pixel_rate_to_cdclk(const struct intel_crtc_state *crtc_state)
--
GitLab
From 12bcd9108f9d3b8d4b5f4418bd16df4628b6fa8f Mon Sep 17 00:00:00 2001
From: Suraj Kandpal <suraj.kandpal@intel.com>
Date: Mon, 1 Apr 2024 11:26:53 +0530
Subject: [PATCH 2263/2686] drm/i915/hdcp: Fix get remote hdcp capability
function
HDCP 1.x capability needs to be checked even if setup is not
HDCP 2.x capable.
--v2
-Assign hdcp_capable and hdcp2_capable to false [Chaitanya]
--v3
-Fix variable assignment [Chaitanya]
Fixes: 813cca96e4ac ("drm/i915/hdcp: Add new remote capability check shim function")
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240401055652.276785-2-suraj.kandpal@intel.com
(cherry picked from commit 6809f9246d43f7cb07310ca6a3deb7aa1c0ea938)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp_hdcp.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
index b98a87883fefb..9db43bd81ce2f 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
@@ -691,12 +691,15 @@ int intel_dp_hdcp_get_remote_capability(struct intel_connector *connector,
u8 bcaps;
int ret;
+ *hdcp_capable = false;
+ *hdcp2_capable = false;
if (!intel_encoder_is_mst(connector->encoder))
return -EINVAL;
ret = _intel_dp_hdcp2_get_capability(aux, hdcp2_capable);
if (ret)
- return ret;
+ drm_dbg_kms(&i915->drm,
+ "HDCP2 DPCD capability read failed err: %d\n", ret);
ret = intel_dp_hdcp_read_bcaps(aux, i915, &bcaps);
if (ret)
--
GitLab
From 152191e5e94bba55c938c18688e66c7276b765a7 Mon Sep 17 00:00:00 2001
From: John Harrison <John.C.Harrison@Intel.com>
Date: Fri, 29 Mar 2024 16:53:05 -0700
Subject: [PATCH 2264/2686] drm/i915/guc: Fix the fix for reset lock confusion
The previous fix for the circlular lock splat about the busyness
worker wasn't quite complete. Even though the reset-in-progress flag
is cleared at the start of intel_uc_reset_finish, the entire function
is still inside the reset mutex lock. Not sure why the patch appeared
to fix the issue both locally and in CI. However, it is now back
again.
There is a further complication that the wedge code path within
intel_gt_reset() jumps around so much that it results in nested
reset_prepare/_finish calls. That is, the call sequence is:
intel_gt_reset
| reset_prepare
| __intel_gt_set_wedged
| | reset_prepare
| | reset_finish
| reset_finish
The nested finish means that even if the clear of the in-progress flag
was moved to the end of _finish, it would still be clear for the
entire second call. Surprisingly, this does not seem to be causing any
other problems at present.
As an aside, a wedge on fini does not call the finish functions at
all. The reset_in_progress flag is left set (twice).
So instead of trying to cancel the worker anywhere at all in the reset
path, just add a cancel to intel_guc_submission_fini instead. Note
that it is not a problem if the worker is still active during a reset.
Either it will run before the reset path starts locking things and
will simply block the reset code for a tiny amount of time. Or it will
run after the locks have been acquired and will early exit due to the
try-lock.
Also, do not use the reset-in-progress flag to decide whether a
synchronous cancel is safe (from a lockdep perspective) or not.
Instead, use the actual reset mutex state (both the genuine one and
the custom rolled BACKOFF one).
Fixes: 0e00a8814eec ("drm/i915/guc: Avoid circular locking issue on busyness flush")
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Cc: Zhanjun Dong <zhanjun.dong@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Jonathan Cavitt <jonathan.cavitt@intel.com>
Cc: Prathap Kumar Valsan <prathap.kumar.valsan@intel.com>
Cc: Alan Previn <alan.previn.teres.alexis@intel.com>
Cc: Madhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Ashutosh Dixit <ashutosh.dixit@intel.com>
Cc: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240329235306.1559639-1-John.C.Harrison@Intel.com
(cherry picked from commit 3563d855312acedcd445a3767f0cb07906f1c26f)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
.../gpu/drm/i915/gt/uc/intel_guc_submission.c | 23 ++++++++-----------
drivers/gpu/drm/i915/gt/uc/intel_uc.c | 4 ++++
2 files changed, 13 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index f3dcae4b9d455..0f83c6d4376ff 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -1403,14 +1403,17 @@ static void guc_cancel_busyness_worker(struct intel_guc *guc)
* Trying to pass a 'need_sync' or 'in_reset' flag all the way down through
* every possible call stack is unfeasible. It would be too intrusive to many
* areas that really don't care about the GuC backend. However, there is the
- * 'reset_in_progress' flag available, so just use that.
+ * I915_RESET_BACKOFF flag and the gt->reset.mutex can be tested for is_locked.
+ * So just use those. Note that testing both is required due to the hideously
+ * complex nature of the i915 driver's reset code paths.
*
* And note that in the case of a reset occurring during driver unload
- * (wedge_on_fini), skipping the cancel in _prepare (when the reset flag is set
- * is fine because there is another cancel in _finish (when the reset flag is
- * not).
+ * (wedged_on_fini), skipping the cancel in reset_prepare/reset_fini (when the
+ * reset flag/mutex are set) is fine because there is another explicit cancel in
+ * intel_guc_submission_fini (when the reset flag/mutex are not).
*/
- if (guc_to_gt(guc)->uc.reset_in_progress)
+ if (mutex_is_locked(&guc_to_gt(guc)->reset.mutex) ||
+ test_bit(I915_RESET_BACKOFF, &guc_to_gt(guc)->reset.flags))
cancel_delayed_work(&guc->timestamp.work);
else
cancel_delayed_work_sync(&guc->timestamp.work);
@@ -1424,8 +1427,6 @@ static void __reset_guc_busyness_stats(struct intel_guc *guc)
unsigned long flags;
ktime_t unused;
- guc_cancel_busyness_worker(guc);
-
spin_lock_irqsave(&guc->timestamp.lock, flags);
guc_update_pm_timestamp(guc, &unused);
@@ -2004,13 +2005,6 @@ void intel_guc_submission_cancel_requests(struct intel_guc *guc)
void intel_guc_submission_reset_finish(struct intel_guc *guc)
{
- /*
- * Ensure the busyness worker gets cancelled even on a fatal wedge.
- * Note that reset_prepare is not allowed to because it confuses lockdep.
- */
- if (guc_submission_initialized(guc))
- guc_cancel_busyness_worker(guc);
-
/* Reset called during driver load or during wedge? */
if (unlikely(!guc_submission_initialized(guc) ||
!intel_guc_is_fw_running(guc) ||
@@ -2136,6 +2130,7 @@ void intel_guc_submission_fini(struct intel_guc *guc)
if (!guc->submission_initialized)
return;
+ guc_fini_engine_stats(guc);
guc_flush_destroyed_contexts(guc);
guc_lrc_desc_pool_destroy_v69(guc);
i915_sched_engine_put(guc->sched_engine);
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
index 6dfe5d9456c69..399bc319180b0 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
@@ -637,6 +637,10 @@ void intel_uc_reset_finish(struct intel_uc *uc)
{
struct intel_guc *guc = &uc->guc;
+ /*
+ * NB: The wedge code path results in prepare -> prepare -> finish -> finish.
+ * So this function is sometimes called with the in-progress flag not set.
+ */
uc->reset_in_progress = false;
/* Firmware expected to be running when this function is called */
--
GitLab
From e3d4ead4d48c05355bd3b99c8162428f68c3c1a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Fri, 5 Apr 2024 00:34:26 +0300
Subject: [PATCH 2265/2686] drm/i915/psr: Disable PSR when bigjoiner is used
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Bigjoiner seem to be causing all kinds of grief to the PSR
code currently. I don't believe there is any hardware issue
but the code simply not handling this correctly. For now
just disable PSR when bigjoiner is needed.
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20240404213441.17637-3-ville.syrjala@linux.intel.com
Reviewed-by: Arun R Murthy <arun.r.mruthy@intel.com>
Acked-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
(cherry picked from commit 372fa0c79d3f289f813d8001e0a8a96d1011826c)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_psr.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index b6e539f1342c2..aabd018bd7374 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1422,6 +1422,17 @@ void intel_psr_compute_config(struct intel_dp *intel_dp,
return;
}
+ /*
+ * FIXME figure out what is wrong with PSR+bigjoiner and
+ * fix it. Presumably something related to the fact that
+ * PSR is a transcoder level feature.
+ */
+ if (crtc_state->bigjoiner_pipes) {
+ drm_dbg_kms(&dev_priv->drm,
+ "PSR disabled due to bigjoiner\n");
+ return;
+ }
+
if (CAN_PANEL_REPLAY(intel_dp))
crtc_state->has_panel_replay = true;
else
--
GitLab
From 0653d501409eeb9f1deb7e4c12e4d0d2c9f1cba1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Fri, 5 Apr 2024 00:34:27 +0300
Subject: [PATCH 2266/2686] drm/i915: Disable port sync when bigjoiner is used
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The current modeset sequence can't handle port sync and bigjoiner
at the same time. Refuse port sync when bigjoiner is needed,
at least until we fix the modeset sequence.
v2: Add a FIXME (Vandite)
Cc: stable@vger.kernel.org
Tested-by: Vidya Srinivas <vidya.srinivas@intel.com>
Reviewed-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404213441.17637-4-ville.syrjala@linux.intel.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
(cherry picked from commit b37e1347b991459c38c56ec2476087854a4f720b)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_ddi.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index c587a8efeafcf..c17462b4c2ac1 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -4256,7 +4256,12 @@ static bool m_n_equal(const struct intel_link_m_n *m_n_1,
static bool crtcs_port_sync_compatible(const struct intel_crtc_state *crtc_state1,
const struct intel_crtc_state *crtc_state2)
{
+ /*
+ * FIXME the modeset sequence is currently wrong and
+ * can't deal with bigjoiner + port sync at the same time.
+ */
return crtc_state1->hw.active && crtc_state2->hw.active &&
+ !crtc_state1->bigjoiner_pipes && !crtc_state2->bigjoiner_pipes &&
crtc_state1->output_types == crtc_state2->output_types &&
crtc_state1->output_format == crtc_state2->output_format &&
crtc_state1->lane_count == crtc_state2->lane_count &&
--
GitLab
From 4a36e46df7aa781c756f09727d37dc2783f1ee75 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Fri, 5 Apr 2024 00:34:28 +0300
Subject: [PATCH 2267/2686] drm/i915: Disable live M/N updates when using
bigjoiner
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
All joined pipes share the same transcoder/timing generator.
Currently we just do the commits per-pipe, which doesn't really
work if we need to change the timings at the same time. For
now just disable live M/N updates when bigjoiner is needed.
Cc: stable@vger.kernel.org
Tested-by: Vidya Srinivas <vidya.srinivas@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404213441.17637-5-ville.syrjala@linux.intel.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
(cherry picked from commit ef79820db723a2a7c229a7251c12859e7e25a247)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index abd62bebc46d0..e583515f9b25a 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2725,7 +2725,11 @@ intel_dp_drrs_compute_config(struct intel_connector *connector,
intel_panel_downclock_mode(connector, &pipe_config->hw.adjusted_mode);
int pixel_clock;
- if (has_seamless_m_n(connector))
+ /*
+ * FIXME all joined pipes share the same transcoder.
+ * Need to account for that when updating M/N live.
+ */
+ if (has_seamless_m_n(connector) && !pipe_config->bigjoiner_pipes)
pipe_config->update_m_n = true;
if (!can_enable_drrs(connector, pipe_config, downclock_mode)) {
--
GitLab
From dcd8992e47f13afb5c11a61e8d9c141c35e23751 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Fri, 5 Apr 2024 00:34:29 +0300
Subject: [PATCH 2268/2686] drm/i915/vrr: Disable VRR when using bigjoiner
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
All joined pipes share the same transcoder/timing generator.
Currently we just do the commits per-pipe, which doesn't really
work if we need to change switch between non-VRR and VRR timings
generators on the fly, or even when sending the push to the
transcoder. For now just disable VRR when bigjoiner is needed.
Cc: stable@vger.kernel.org
Tested-by: Vidya Srinivas <vidya.srinivas@intel.com>
Reviewed-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404213441.17637-6-ville.syrjala@linux.intel.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
(cherry picked from commit f9d5e51db65652dbd8a2102fd7619440e3599fd2)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
drivers/gpu/drm/i915/display/intel_vrr.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index eb5bd07439020..f542ee1db1d97 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -117,6 +117,13 @@ intel_vrr_compute_config(struct intel_crtc_state *crtc_state,
const struct drm_display_info *info = &connector->base.display_info;
int vmin, vmax;
+ /*
+ * FIXME all joined pipes share the same transcoder.
+ * Need to account for that during VRR toggle/push/etc.
+ */
+ if (crtc_state->bigjoiner_pipes)
+ return;
+
if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
return;
--
GitLab
From 0cd01ac5dcb1e18eb18df0f0d05b5de76522a437 Mon Sep 17 00:00:00 2001
From: Josh Poimboeuf <jpoimboe@kernel.org>
Date: Fri, 5 Apr 2024 11:14:13 -0700
Subject: [PATCH 2269/2686] x86/bugs: Change commas to semicolons in
'spectre_v2' sysfs file
Change the format of the 'spectre_v2' vulnerabilities sysfs file
slightly by converting the commas to semicolons, so that mitigations for
future variants can be grouped together and separated by commas.
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/cpu/bugs.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index e7ba936d798b8..e8c7146f9ed7c 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -2695,15 +2695,15 @@ static char *stibp_state(void)
switch (spectre_v2_user_stibp) {
case SPECTRE_V2_USER_NONE:
- return ", STIBP: disabled";
+ return "; STIBP: disabled";
case SPECTRE_V2_USER_STRICT:
- return ", STIBP: forced";
+ return "; STIBP: forced";
case SPECTRE_V2_USER_STRICT_PREFERRED:
- return ", STIBP: always-on";
+ return "; STIBP: always-on";
case SPECTRE_V2_USER_PRCTL:
case SPECTRE_V2_USER_SECCOMP:
if (static_key_enabled(&switch_to_cond_stibp))
- return ", STIBP: conditional";
+ return "; STIBP: conditional";
}
return "";
}
@@ -2712,10 +2712,10 @@ static char *ibpb_state(void)
{
if (boot_cpu_has(X86_FEATURE_IBPB)) {
if (static_key_enabled(&switch_mm_always_ibpb))
- return ", IBPB: always-on";
+ return "; IBPB: always-on";
if (static_key_enabled(&switch_mm_cond_ibpb))
- return ", IBPB: conditional";
- return ", IBPB: disabled";
+ return "; IBPB: conditional";
+ return "; IBPB: disabled";
}
return "";
}
@@ -2725,11 +2725,11 @@ static char *pbrsb_eibrs_state(void)
if (boot_cpu_has_bug(X86_BUG_EIBRS_PBRSB)) {
if (boot_cpu_has(X86_FEATURE_RSB_VMEXIT_LITE) ||
boot_cpu_has(X86_FEATURE_RSB_VMEXIT))
- return ", PBRSB-eIBRS: SW sequence";
+ return "; PBRSB-eIBRS: SW sequence";
else
- return ", PBRSB-eIBRS: Vulnerable";
+ return "; PBRSB-eIBRS: Vulnerable";
} else {
- return ", PBRSB-eIBRS: Not affected";
+ return "; PBRSB-eIBRS: Not affected";
}
}
@@ -2748,9 +2748,9 @@ static ssize_t spectre_v2_show_state(char *buf)
return sysfs_emit(buf, "%s%s%s%s%s%s%s\n",
spectre_v2_strings[spectre_v2_enabled],
ibpb_state(),
- boot_cpu_has(X86_FEATURE_USE_IBRS_FW) ? ", IBRS_FW" : "",
+ boot_cpu_has(X86_FEATURE_USE_IBRS_FW) ? "; IBRS_FW" : "",
stibp_state(),
- boot_cpu_has(X86_FEATURE_RSB_CTXSW) ? ", RSB filling" : "",
+ boot_cpu_has(X86_FEATURE_RSB_CTXSW) ? "; RSB filling" : "",
pbrsb_eibrs_state(),
spectre_v2_module_string());
}
--
GitLab
From 1e3ad78334a69b36e107232e337f9d693dcc9df2 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed, 3 Apr 2024 16:36:44 -0700
Subject: [PATCH 2270/2686] x86/syscall: Don't force use of indirect calls for
system calls
Make <asm/syscall.h> build a switch statement instead, and the compiler can
either decide to generate an indirect jump, or - more likely these days due
to mitigations - just a series of conditional branches.
Yes, the conditional branches also have branch prediction, but the branch
prediction is much more controlled, in that it just causes speculatively
running the wrong system call (harmless), rather than speculatively running
possibly wrong random less controlled code gadgets.
This doesn't mitigate other indirect calls, but the system call indirection
is the first and most easily triggered case.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
arch/x86/entry/common.c | 6 +++---
arch/x86/entry/syscall_32.c | 21 +++++++++++++++++++--
arch/x86/entry/syscall_64.c | 19 +++++++++++++++++--
arch/x86/entry/syscall_x32.c | 10 +++++++---
arch/x86/include/asm/syscall.h | 10 ++++------
5 files changed, 50 insertions(+), 16 deletions(-)
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
index 6356060caaf31..cea0e2a23b426 100644
--- a/arch/x86/entry/common.c
+++ b/arch/x86/entry/common.c
@@ -49,7 +49,7 @@ static __always_inline bool do_syscall_x64(struct pt_regs *regs, int nr)
if (likely(unr < NR_syscalls)) {
unr = array_index_nospec(unr, NR_syscalls);
- regs->ax = sys_call_table[unr](regs);
+ regs->ax = x64_sys_call(regs, unr);
return true;
}
return false;
@@ -66,7 +66,7 @@ static __always_inline bool do_syscall_x32(struct pt_regs *regs, int nr)
if (IS_ENABLED(CONFIG_X86_X32_ABI) && likely(xnr < X32_NR_syscalls)) {
xnr = array_index_nospec(xnr, X32_NR_syscalls);
- regs->ax = x32_sys_call_table[xnr](regs);
+ regs->ax = x32_sys_call(regs, xnr);
return true;
}
return false;
@@ -162,7 +162,7 @@ static __always_inline void do_syscall_32_irqs_on(struct pt_regs *regs, int nr)
if (likely(unr < IA32_NR_syscalls)) {
unr = array_index_nospec(unr, IA32_NR_syscalls);
- regs->ax = ia32_sys_call_table[unr](regs);
+ regs->ax = ia32_sys_call(regs, unr);
} else if (nr != -1) {
regs->ax = __ia32_sys_ni_syscall(regs);
}
diff --git a/arch/x86/entry/syscall_32.c b/arch/x86/entry/syscall_32.c
index 8cfc9bc73e7f8..c2235bae17ef6 100644
--- a/arch/x86/entry/syscall_32.c
+++ b/arch/x86/entry/syscall_32.c
@@ -18,8 +18,25 @@
#include <asm/syscalls_32.h>
#undef __SYSCALL
+/*
+ * The sys_call_table[] is no longer used for system calls, but
+ * kernel/trace/trace_syscalls.c still wants to know the system
+ * call address.
+ */
+#ifdef CONFIG_X86_32
#define __SYSCALL(nr, sym) __ia32_##sym,
-
-__visible const sys_call_ptr_t ia32_sys_call_table[] = {
+const sys_call_ptr_t sys_call_table[] = {
#include <asm/syscalls_32.h>
};
+#undef __SYSCALL
+#endif
+
+#define __SYSCALL(nr, sym) case nr: return __ia32_##sym(regs);
+
+long ia32_sys_call(const struct pt_regs *regs, unsigned int nr)
+{
+ switch (nr) {
+ #include <asm/syscalls_32.h>
+ default: return __ia32_sys_ni_syscall(regs);
+ }
+};
diff --git a/arch/x86/entry/syscall_64.c b/arch/x86/entry/syscall_64.c
index be120eec1fc9f..33b3f09e6f151 100644
--- a/arch/x86/entry/syscall_64.c
+++ b/arch/x86/entry/syscall_64.c
@@ -11,8 +11,23 @@
#include <asm/syscalls_64.h>
#undef __SYSCALL
+/*
+ * The sys_call_table[] is no longer used for system calls, but
+ * kernel/trace/trace_syscalls.c still wants to know the system
+ * call address.
+ */
#define __SYSCALL(nr, sym) __x64_##sym,
-
-asmlinkage const sys_call_ptr_t sys_call_table[] = {
+const sys_call_ptr_t sys_call_table[] = {
#include <asm/syscalls_64.h>
};
+#undef __SYSCALL
+
+#define __SYSCALL(nr, sym) case nr: return __x64_##sym(regs);
+
+long x64_sys_call(const struct pt_regs *regs, unsigned int nr)
+{
+ switch (nr) {
+ #include <asm/syscalls_64.h>
+ default: return __x64_sys_ni_syscall(regs);
+ }
+};
diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c
index bdd0e03a1265d..03de4a9321318 100644
--- a/arch/x86/entry/syscall_x32.c
+++ b/arch/x86/entry/syscall_x32.c
@@ -11,8 +11,12 @@
#include <asm/syscalls_x32.h>
#undef __SYSCALL
-#define __SYSCALL(nr, sym) __x64_##sym,
+#define __SYSCALL(nr, sym) case nr: return __x64_##sym(regs);
-asmlinkage const sys_call_ptr_t x32_sys_call_table[] = {
-#include <asm/syscalls_x32.h>
+long x32_sys_call(const struct pt_regs *regs, unsigned int nr)
+{
+ switch (nr) {
+ #include <asm/syscalls_x32.h>
+ default: return __x64_sys_ni_syscall(regs);
+ }
};
diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h
index f44e2f9ab65d7..3c28f26bfe220 100644
--- a/arch/x86/include/asm/syscall.h
+++ b/arch/x86/include/asm/syscall.h
@@ -16,19 +16,17 @@
#include <asm/thread_info.h> /* for TS_COMPAT */
#include <asm/unistd.h>
+/* This is used purely for kernel/trace/trace_syscalls.c */
typedef long (*sys_call_ptr_t)(const struct pt_regs *);
extern const sys_call_ptr_t sys_call_table[];
-#if defined(CONFIG_X86_32)
-#define ia32_sys_call_table sys_call_table
-#else
/*
* These may not exist, but still put the prototypes in so we
* can use IS_ENABLED().
*/
-extern const sys_call_ptr_t ia32_sys_call_table[];
-extern const sys_call_ptr_t x32_sys_call_table[];
-#endif
+extern long ia32_sys_call(const struct pt_regs *, unsigned int nr);
+extern long x32_sys_call(const struct pt_regs *, unsigned int nr);
+extern long x64_sys_call(const struct pt_regs *, unsigned int nr);
/*
* Only the low 32 bits of orig_ax are meaningful, so we return int.
--
GitLab
From 7390db8aea0d64e9deb28b8e1ce716f5020c7ee5 Mon Sep 17 00:00:00 2001
From: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Date: Mon, 11 Mar 2024 08:56:58 -0700
Subject: [PATCH 2271/2686] x86/bhi: Add support for clearing branch history at
syscall entry
Branch History Injection (BHI) attacks may allow a malicious application to
influence indirect branch prediction in kernel by poisoning the branch
history. eIBRS isolates indirect branch targets in ring0. The BHB can
still influence the choice of indirect branch predictor entry, and although
branch predictor entries are isolated between modes when eIBRS is enabled,
the BHB itself is not isolated between modes.
Alder Lake and new processors supports a hardware control BHI_DIS_S to
mitigate BHI. For older processors Intel has released a software sequence
to clear the branch history on parts that don't support BHI_DIS_S. Add
support to execute the software sequence at syscall entry and VMexit to
overwrite the branch history.
For now, branch history is not cleared at interrupt entry, as malicious
applications are not believed to have sufficient control over the
registers, since previous register state is cleared at interrupt
entry. Researchers continue to poke at this area and it may become
necessary to clear at interrupt entry as well in the future.
This mitigation is only defined here. It is enabled later.
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Co-developed-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
arch/x86/entry/common.c | 4 +-
arch/x86/entry/entry_64.S | 61 ++++++++++++++++++++++++++++
arch/x86/entry/entry_64_compat.S | 16 ++++++++
arch/x86/include/asm/cpufeatures.h | 3 +-
arch/x86/include/asm/nospec-branch.h | 12 ++++++
arch/x86/include/asm/syscall.h | 1 +
arch/x86/kvm/vmx/vmenter.S | 2 +
7 files changed, 96 insertions(+), 3 deletions(-)
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
index cea0e2a23b426..6de50b80702e6 100644
--- a/arch/x86/entry/common.c
+++ b/arch/x86/entry/common.c
@@ -189,7 +189,7 @@ static __always_inline bool int80_is_external(void)
}
/**
- * int80_emulation - 32-bit legacy syscall entry
+ * do_int80_emulation - 32-bit legacy syscall C entry from asm
*
* This entry point can be used by 32-bit and 64-bit programs to perform
* 32-bit system calls. Instances of INT $0x80 can be found inline in
@@ -207,7 +207,7 @@ static __always_inline bool int80_is_external(void)
* eax: system call number
* ebx, ecx, edx, esi, edi, ebp: arg1 - arg 6
*/
-DEFINE_IDTENTRY_RAW(int80_emulation)
+__visible noinstr void do_int80_emulation(struct pt_regs *regs)
{
int nr;
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 8af2a26b24f6a..1b5be07f86698 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -116,6 +116,7 @@ SYM_INNER_LABEL(entry_SYSCALL_64_after_hwframe, SYM_L_GLOBAL)
/* clobbers %rax, make sure it is after saving the syscall nr */
IBRS_ENTER
UNTRAIN_RET
+ CLEAR_BRANCH_HISTORY
call do_syscall_64 /* returns with IRQs disabled */
@@ -1491,3 +1492,63 @@ SYM_CODE_START_NOALIGN(rewind_stack_and_make_dead)
call make_task_dead
SYM_CODE_END(rewind_stack_and_make_dead)
.popsection
+
+/*
+ * This sequence executes branches in order to remove user branch information
+ * from the branch history tracker in the Branch Predictor, therefore removing
+ * user influence on subsequent BTB lookups.
+ *
+ * It should be used on parts prior to Alder Lake. Newer parts should use the
+ * BHI_DIS_S hardware control instead. If a pre-Alder Lake part is being
+ * virtualized on newer hardware the VMM should protect against BHI attacks by
+ * setting BHI_DIS_S for the guests.
+ *
+ * CALLs/RETs are necessary to prevent Loop Stream Detector(LSD) from engaging
+ * and not clearing the branch history. The call tree looks like:
+ *
+ * call 1
+ * call 2
+ * call 2
+ * call 2
+ * call 2
+ * call 2
+ * ret
+ * ret
+ * ret
+ * ret
+ * ret
+ * ret
+ *
+ * This means that the stack is non-constant and ORC can't unwind it with %rsp
+ * alone. Therefore we unconditionally set up the frame pointer, which allows
+ * ORC to unwind properly.
+ *
+ * The alignment is for performance and not for safety, and may be safely
+ * refactored in the future if needed.
+ */
+SYM_FUNC_START(clear_bhb_loop)
+ push %rbp
+ mov %rsp, %rbp
+ movl $5, %ecx
+ ANNOTATE_INTRA_FUNCTION_CALL
+ call 1f
+ jmp 5f
+ .align 64, 0xcc
+ ANNOTATE_INTRA_FUNCTION_CALL
+1: call 2f
+ RET
+ .align 64, 0xcc
+2: movl $5, %eax
+3: jmp 4f
+ nop
+4: sub $1, %eax
+ jnz 3b
+ sub $1, %ecx
+ jnz 1b
+ RET
+5: lfence
+ pop %rbp
+ RET
+SYM_FUNC_END(clear_bhb_loop)
+EXPORT_SYMBOL_GPL(clear_bhb_loop)
+STACK_FRAME_NON_STANDARD(clear_bhb_loop)
diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S
index eabf48c4d4b4c..c779046cc3fe7 100644
--- a/arch/x86/entry/entry_64_compat.S
+++ b/arch/x86/entry/entry_64_compat.S
@@ -92,6 +92,7 @@ SYM_INNER_LABEL(entry_SYSENTER_compat_after_hwframe, SYM_L_GLOBAL)
IBRS_ENTER
UNTRAIN_RET
+ CLEAR_BRANCH_HISTORY
/*
* SYSENTER doesn't filter flags, so we need to clear NT and AC
@@ -206,6 +207,7 @@ SYM_INNER_LABEL(entry_SYSCALL_compat_after_hwframe, SYM_L_GLOBAL)
IBRS_ENTER
UNTRAIN_RET
+ CLEAR_BRANCH_HISTORY
movq %rsp, %rdi
call do_fast_syscall_32
@@ -276,3 +278,17 @@ SYM_INNER_LABEL(entry_SYSRETL_compat_end, SYM_L_GLOBAL)
ANNOTATE_NOENDBR
int3
SYM_CODE_END(entry_SYSCALL_compat)
+
+/*
+ * int 0x80 is used by 32 bit mode as a system call entry. Normally idt entries
+ * point to C routines, however since this is a system call interface the branch
+ * history needs to be scrubbed to protect against BHI attacks, and that
+ * scrubbing needs to take place in assembly code prior to entering any C
+ * routines.
+ */
+SYM_CODE_START(int80_emulation)
+ ANNOTATE_NOENDBR
+ UNWIND_HINT_FUNC
+ CLEAR_BRANCH_HISTORY
+ jmp do_int80_emulation
+SYM_CODE_END(int80_emulation)
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index a38f8f9ba6572..9b94a86f46003 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -461,11 +461,12 @@
/*
* Extended auxiliary flags: Linux defined - for features scattered in various
- * CPUID levels like 0x80000022, etc.
+ * CPUID levels like 0x80000022, etc and Linux defined features.
*
* Reuse free bits when adding new feature flags!
*/
#define X86_FEATURE_AMD_LBR_PMC_FREEZE (21*32+ 0) /* AMD LBR and PMC Freeze */
+#define X86_FEATURE_CLEAR_BHB_LOOP (21*32+ 1) /* "" Clear branch history at syscall entry using SW loop */
/*
* BUG word(s)
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
index 170c89ed22fcd..aea40204278b6 100644
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -326,6 +326,14 @@
ALTERNATIVE "", __stringify(verw _ASM_RIP(mds_verw_sel)), X86_FEATURE_CLEAR_CPU_BUF
.endm
+#ifdef CONFIG_X86_64
+.macro CLEAR_BRANCH_HISTORY
+ ALTERNATIVE "", "call clear_bhb_loop", X86_FEATURE_CLEAR_BHB_LOOP
+.endm
+#else
+#define CLEAR_BRANCH_HISTORY
+#endif
+
#else /* __ASSEMBLY__ */
#define ANNOTATE_RETPOLINE_SAFE \
@@ -368,6 +376,10 @@ extern void srso_alias_return_thunk(void);
extern void entry_untrain_ret(void);
extern void entry_ibpb(void);
+#ifdef CONFIG_X86_64
+extern void clear_bhb_loop(void);
+#endif
+
extern void (*x86_return_thunk)(void);
extern void __warn_thunk(void);
diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h
index 3c28f26bfe220..2fc7bc3863ff6 100644
--- a/arch/x86/include/asm/syscall.h
+++ b/arch/x86/include/asm/syscall.h
@@ -125,6 +125,7 @@ static inline int syscall_get_arch(struct task_struct *task)
}
bool do_syscall_64(struct pt_regs *regs, int nr);
+void do_int80_emulation(struct pt_regs *regs);
#endif /* CONFIG_X86_32 */
diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S
index 2bfbf758d0611..0f3593e10c57d 100644
--- a/arch/x86/kvm/vmx/vmenter.S
+++ b/arch/x86/kvm/vmx/vmenter.S
@@ -275,6 +275,8 @@ SYM_INNER_LABEL_ALIGN(vmx_vmexit, SYM_L_GLOBAL)
call vmx_spec_ctrl_restore_host
+ CLEAR_BRANCH_HISTORY
+
/* Put return value in AX */
mov %_ASM_BX, %_ASM_AX
--
GitLab
From 0f4a837615ff925ba62648d280a861adf1582df7 Mon Sep 17 00:00:00 2001
From: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Date: Wed, 13 Mar 2024 09:47:57 -0700
Subject: [PATCH 2272/2686] x86/bhi: Define SPEC_CTRL_BHI_DIS_S
Newer processors supports a hardware control BHI_DIS_S to mitigate
Branch History Injection (BHI). Setting BHI_DIS_S protects the kernel
from userspace BHI attacks without having to manually overwrite the
branch history.
Define MSR_SPEC_CTRL bit BHI_DIS_S and its enumeration CPUID.BHI_CTRL.
Mitigation is enabled later.
Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/include/asm/msr-index.h | 5 ++++-
arch/x86/kernel/cpu/scattered.c | 1 +
arch/x86/kvm/reverse_cpuid.h | 3 ++-
4 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index 9b94a86f46003..4085090704299 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -467,6 +467,7 @@
*/
#define X86_FEATURE_AMD_LBR_PMC_FREEZE (21*32+ 0) /* AMD LBR and PMC Freeze */
#define X86_FEATURE_CLEAR_BHB_LOOP (21*32+ 1) /* "" Clear branch history at syscall entry using SW loop */
+#define X86_FEATURE_BHI_CTRL (21*32+ 2) /* "" BHI_DIS_S HW control available */
/*
* BUG word(s)
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 05956bd8bacf5..24615e8269988 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -61,10 +61,13 @@
#define SPEC_CTRL_SSBD BIT(SPEC_CTRL_SSBD_SHIFT) /* Speculative Store Bypass Disable */
#define SPEC_CTRL_RRSBA_DIS_S_SHIFT 6 /* Disable RRSBA behavior */
#define SPEC_CTRL_RRSBA_DIS_S BIT(SPEC_CTRL_RRSBA_DIS_S_SHIFT)
+#define SPEC_CTRL_BHI_DIS_S_SHIFT 10 /* Disable Branch History Injection behavior */
+#define SPEC_CTRL_BHI_DIS_S BIT(SPEC_CTRL_BHI_DIS_S_SHIFT)
/* A mask for bits which the kernel toggles when controlling mitigations */
#define SPEC_CTRL_MITIGATIONS_MASK (SPEC_CTRL_IBRS | SPEC_CTRL_STIBP | SPEC_CTRL_SSBD \
- | SPEC_CTRL_RRSBA_DIS_S)
+ | SPEC_CTRL_RRSBA_DIS_S \
+ | SPEC_CTRL_BHI_DIS_S)
#define MSR_IA32_PRED_CMD 0x00000049 /* Prediction Command */
#define PRED_CMD_IBPB BIT(0) /* Indirect Branch Prediction Barrier */
diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c
index a515328d9d7d8..af5aa2c754c22 100644
--- a/arch/x86/kernel/cpu/scattered.c
+++ b/arch/x86/kernel/cpu/scattered.c
@@ -28,6 +28,7 @@ static const struct cpuid_bit cpuid_bits[] = {
{ X86_FEATURE_EPB, CPUID_ECX, 3, 0x00000006, 0 },
{ X86_FEATURE_INTEL_PPIN, CPUID_EBX, 0, 0x00000007, 1 },
{ X86_FEATURE_RRSBA_CTRL, CPUID_EDX, 2, 0x00000007, 2 },
+ { X86_FEATURE_BHI_CTRL, CPUID_EDX, 4, 0x00000007, 2 },
{ X86_FEATURE_CQM_LLC, CPUID_EDX, 1, 0x0000000f, 0 },
{ X86_FEATURE_CQM_OCCUP_LLC, CPUID_EDX, 0, 0x0000000f, 1 },
{ X86_FEATURE_CQM_MBM_TOTAL, CPUID_EDX, 1, 0x0000000f, 1 },
diff --git a/arch/x86/kvm/reverse_cpuid.h b/arch/x86/kvm/reverse_cpuid.h
index aadefcaa9561d..da9880d74a0bc 100644
--- a/arch/x86/kvm/reverse_cpuid.h
+++ b/arch/x86/kvm/reverse_cpuid.h
@@ -52,7 +52,7 @@ enum kvm_only_cpuid_leafs {
#define X86_FEATURE_IPRED_CTRL KVM_X86_FEATURE(CPUID_7_2_EDX, 1)
#define KVM_X86_FEATURE_RRSBA_CTRL KVM_X86_FEATURE(CPUID_7_2_EDX, 2)
#define X86_FEATURE_DDPD_U KVM_X86_FEATURE(CPUID_7_2_EDX, 3)
-#define X86_FEATURE_BHI_CTRL KVM_X86_FEATURE(CPUID_7_2_EDX, 4)
+#define KVM_X86_FEATURE_BHI_CTRL KVM_X86_FEATURE(CPUID_7_2_EDX, 4)
#define X86_FEATURE_MCDT_NO KVM_X86_FEATURE(CPUID_7_2_EDX, 5)
/* CPUID level 0x80000007 (EDX). */
@@ -126,6 +126,7 @@ static __always_inline u32 __feature_translate(int x86_feature)
KVM_X86_TRANSLATE_FEATURE(CONSTANT_TSC);
KVM_X86_TRANSLATE_FEATURE(PERFMON_V2);
KVM_X86_TRANSLATE_FEATURE(RRSBA_CTRL);
+ KVM_X86_TRANSLATE_FEATURE(BHI_CTRL);
default:
return x86_feature;
}
--
GitLab
From be482ff9500999f56093738f9219bbabc729d163 Mon Sep 17 00:00:00 2001
From: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Date: Mon, 11 Mar 2024 08:57:03 -0700
Subject: [PATCH 2273/2686] x86/bhi: Enumerate Branch History Injection (BHI)
bug
Mitigation for BHI is selected based on the bug enumeration. Add bits
needed to enumerate BHI bug.
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/include/asm/msr-index.h | 4 ++++
arch/x86/kernel/cpu/common.c | 24 ++++++++++++++++--------
3 files changed, 21 insertions(+), 8 deletions(-)
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index 4085090704299..8edd7a28869a8 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -517,4 +517,5 @@
#define X86_BUG_SRSO X86_BUG(1*32 + 0) /* AMD SRSO bug */
#define X86_BUG_DIV0 X86_BUG(1*32 + 1) /* AMD DIV0 speculation bug */
#define X86_BUG_RFDS X86_BUG(1*32 + 2) /* CPU is vulnerable to Register File Data Sampling */
+#define X86_BUG_BHI X86_BUG(1*32 + 3) /* CPU is affected by Branch History Injection */
#endif /* _ASM_X86_CPUFEATURES_H */
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 24615e8269988..e72c2b8729579 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -166,6 +166,10 @@
* are restricted to targets in
* kernel.
*/
+#define ARCH_CAP_BHI_NO BIT(20) /*
+ * CPU is not affected by Branch
+ * History Injection.
+ */
#define ARCH_CAP_PBRSB_NO BIT(24) /*
* Not susceptible to Post-Barrier
* Return Stack Buffer Predictions.
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 5c1e6d6be267a..754d91857d634 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1120,6 +1120,7 @@ static void identify_cpu_without_cpuid(struct cpuinfo_x86 *c)
#define NO_SPECTRE_V2 BIT(8)
#define NO_MMIO BIT(9)
#define NO_EIBRS_PBRSB BIT(10)
+#define NO_BHI BIT(11)
#define VULNWL(vendor, family, model, whitelist) \
X86_MATCH_VENDOR_FAM_MODEL(vendor, family, model, whitelist)
@@ -1182,18 +1183,18 @@ static const __initconst struct x86_cpu_id cpu_vuln_whitelist[] = {
VULNWL_INTEL(ATOM_TREMONT_D, NO_ITLB_MULTIHIT | NO_EIBRS_PBRSB),
/* AMD Family 0xf - 0x12 */
- VULNWL_AMD(0x0f, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO),
- VULNWL_AMD(0x10, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO),
- VULNWL_AMD(0x11, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO),
- VULNWL_AMD(0x12, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO),
+ VULNWL_AMD(0x0f, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO | NO_BHI),
+ VULNWL_AMD(0x10, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO | NO_BHI),
+ VULNWL_AMD(0x11, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO | NO_BHI),
+ VULNWL_AMD(0x12, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO | NO_BHI),
/* FAMILY_ANY must be last, otherwise 0x0f - 0x12 matches won't work */
- VULNWL_AMD(X86_FAMILY_ANY, NO_MELTDOWN | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO | NO_EIBRS_PBRSB),
- VULNWL_HYGON(X86_FAMILY_ANY, NO_MELTDOWN | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO | NO_EIBRS_PBRSB),
+ VULNWL_AMD(X86_FAMILY_ANY, NO_MELTDOWN | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO | NO_EIBRS_PBRSB | NO_BHI),
+ VULNWL_HYGON(X86_FAMILY_ANY, NO_MELTDOWN | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO | NO_EIBRS_PBRSB | NO_BHI),
/* Zhaoxin Family 7 */
- VULNWL(CENTAUR, 7, X86_MODEL_ANY, NO_SPECTRE_V2 | NO_SWAPGS | NO_MMIO),
- VULNWL(ZHAOXIN, 7, X86_MODEL_ANY, NO_SPECTRE_V2 | NO_SWAPGS | NO_MMIO),
+ VULNWL(CENTAUR, 7, X86_MODEL_ANY, NO_SPECTRE_V2 | NO_SWAPGS | NO_MMIO | NO_BHI),
+ VULNWL(ZHAOXIN, 7, X86_MODEL_ANY, NO_SPECTRE_V2 | NO_SWAPGS | NO_MMIO | NO_BHI),
{}
};
@@ -1435,6 +1436,13 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
if (vulnerable_to_rfds(ia32_cap))
setup_force_cpu_bug(X86_BUG_RFDS);
+ /* When virtualized, eIBRS could be hidden, assume vulnerable */
+ if (!(ia32_cap & ARCH_CAP_BHI_NO) &&
+ !cpu_matches(cpu_vuln_whitelist, NO_BHI) &&
+ (boot_cpu_has(X86_FEATURE_IBRS_ENHANCED) ||
+ boot_cpu_has(X86_FEATURE_HYPERVISOR)))
+ setup_force_cpu_bug(X86_BUG_BHI);
+
if (cpu_matches(cpu_vuln_whitelist, NO_MELTDOWN))
return;
--
GitLab
From ec9404e40e8f36421a2b66ecb76dc2209fe7f3ef Mon Sep 17 00:00:00 2001
From: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Date: Mon, 11 Mar 2024 08:57:05 -0700
Subject: [PATCH 2274/2686] x86/bhi: Add BHI mitigation knob
Branch history clearing software sequences and hardware control
BHI_DIS_S were defined to mitigate Branch History Injection (BHI).
Add cmdline spectre_bhi={on|off|auto} to control BHI mitigation:
auto - Deploy the hardware mitigation BHI_DIS_S, if available.
on - Deploy the hardware mitigation BHI_DIS_S, if available,
otherwise deploy the software sequence at syscall entry and
VMexit.
off - Turn off BHI mitigation.
The default is auto mode which does not deploy the software sequence
mitigation. This is because of the hardening done in the syscall
dispatch path, which is the likely target of BHI.
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
Documentation/admin-guide/hw-vuln/spectre.rst | 45 ++++++++--
.../admin-guide/kernel-parameters.txt | 11 +++
arch/x86/Kconfig | 25 ++++++
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/kernel/cpu/bugs.c | 90 ++++++++++++++++++-
5 files changed, 165 insertions(+), 7 deletions(-)
diff --git a/Documentation/admin-guide/hw-vuln/spectre.rst b/Documentation/admin-guide/hw-vuln/spectre.rst
index cce768afec6be..7cb99b09827ce 100644
--- a/Documentation/admin-guide/hw-vuln/spectre.rst
+++ b/Documentation/admin-guide/hw-vuln/spectre.rst
@@ -138,11 +138,10 @@ associated with the source address of the indirect branch. Specifically,
the BHB might be shared across privilege levels even in the presence of
Enhanced IBRS.
-Currently the only known real-world BHB attack vector is via
-unprivileged eBPF. Therefore, it's highly recommended to not enable
-unprivileged eBPF, especially when eIBRS is used (without retpolines).
-For a full mitigation against BHB attacks, it's recommended to use
-retpolines (or eIBRS combined with retpolines).
+Previously the only known real-world BHB attack vector was via unprivileged
+eBPF. Further research has found attacks that don't require unprivileged eBPF.
+For a full mitigation against BHB attacks it is recommended to set BHI_DIS_S or
+use the BHB clearing sequence.
Attack scenarios
----------------
@@ -430,6 +429,21 @@ The possible values in this file are:
'PBRSB-eIBRS: Not affected' CPU is not affected by PBRSB
=========================== =======================================================
+ - Branch History Injection (BHI) protection status:
+
+.. list-table::
+
+ * - BHI: Not affected
+ - System is not affected
+ * - BHI: Retpoline
+ - System is protected by retpoline
+ * - BHI: BHI_DIS_S
+ - System is protected by BHI_DIS_S
+ * - BHI: SW loop
+ - System is protected by software clearing sequence
+ * - BHI: Syscall hardening
+ - Syscalls are hardened against BHI
+
Full mitigation might require a microcode update from the CPU
vendor. When the necessary microcode is not available, the kernel will
report vulnerability.
@@ -484,7 +498,11 @@ Spectre variant 2
Systems which support enhanced IBRS (eIBRS) enable IBRS protection once at
boot, by setting the IBRS bit, and they're automatically protected against
- Spectre v2 variant attacks.
+ some Spectre v2 variant attacks. The BHB can still influence the choice of
+ indirect branch predictor entry, and although branch predictor entries are
+ isolated between modes when eIBRS is enabled, the BHB itself is not isolated
+ between modes. Systems which support BHI_DIS_S will set it to protect against
+ BHI attacks.
On Intel's enhanced IBRS systems, this includes cross-thread branch target
injections on SMT systems (STIBP). In other words, Intel eIBRS enables
@@ -638,6 +656,21 @@ kernel command line.
spectre_v2=off. Spectre variant 1 mitigations
cannot be disabled.
+ spectre_bhi=
+
+ [X86] Control mitigation of Branch History Injection
+ (BHI) vulnerability. Syscalls are hardened against BHI
+ regardless of this setting. This setting affects the deployment
+ of the HW BHI control and the SW BHB clearing sequence.
+
+ on
+ unconditionally enable.
+ off
+ unconditionally disable.
+ auto
+ enable if hardware mitigation
+ control(BHI_DIS_S) is available.
+
For spectre_v2_user see Documentation/admin-guide/kernel-parameters.txt
Mitigation selection guide
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index bb884c14b2f67..2dbe60c1db225 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6063,6 +6063,17 @@
sonypi.*= [HW] Sony Programmable I/O Control Device driver
See Documentation/admin-guide/laptops/sonypi.rst
+ spectre_bhi= [X86] Control mitigation of Branch History Injection
+ (BHI) vulnerability. Syscalls are hardened against BHI
+ reglardless of this setting. This setting affects the
+ deployment of the HW BHI control and the SW BHB
+ clearing sequence.
+
+ on - unconditionally enable.
+ off - unconditionally disable.
+ auto - (default) enable only if hardware mitigation
+ control(BHI_DIS_S) is available.
+
spectre_v2= [X86,EARLY] Control mitigation of Spectre variant 2
(indirect branch speculation) vulnerability.
The default operation protects the kernel from
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 4fff6ed46e902..29a7b69a13166 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2633,6 +2633,31 @@ config MITIGATION_RFDS
stored in floating point, vector and integer registers.
See also <file:Documentation/admin-guide/hw-vuln/reg-file-data-sampling.rst>
+choice
+ prompt "Clear branch history"
+ depends on CPU_SUP_INTEL
+ default SPECTRE_BHI_AUTO
+ help
+ Enable BHI mitigations. BHI attacks are a form of Spectre V2 attacks
+ where the branch history buffer is poisoned to speculatively steer
+ indirect branches.
+ See <file:Documentation/admin-guide/hw-vuln/spectre.rst>
+
+config SPECTRE_BHI_ON
+ bool "on"
+ help
+ Equivalent to setting spectre_bhi=on command line parameter.
+config SPECTRE_BHI_OFF
+ bool "off"
+ help
+ Equivalent to setting spectre_bhi=off command line parameter.
+config SPECTRE_BHI_AUTO
+ bool "auto"
+ help
+ Equivalent to setting spectre_bhi=auto command line parameter.
+
+endchoice
+
endif
config ARCH_HAS_ADD_PAGES
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index 8edd7a28869a8..a2ee9a00e4a7e 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -468,6 +468,7 @@
#define X86_FEATURE_AMD_LBR_PMC_FREEZE (21*32+ 0) /* AMD LBR and PMC Freeze */
#define X86_FEATURE_CLEAR_BHB_LOOP (21*32+ 1) /* "" Clear branch history at syscall entry using SW loop */
#define X86_FEATURE_BHI_CTRL (21*32+ 2) /* "" BHI_DIS_S HW control available */
+#define X86_FEATURE_CLEAR_BHB_HW (21*32+ 3) /* "" BHI_DIS_S HW control enabled */
/*
* BUG word(s)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index e8c7146f9ed7c..1ab2750298887 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -1607,6 +1607,74 @@ static void __init spectre_v2_determine_rsb_fill_type_at_vmexit(enum spectre_v2_
dump_stack();
}
+/*
+ * Set BHI_DIS_S to prevent indirect branches in kernel to be influenced by
+ * branch history in userspace. Not needed if BHI_NO is set.
+ */
+static bool __init spec_ctrl_bhi_dis(void)
+{
+ if (!boot_cpu_has(X86_FEATURE_BHI_CTRL))
+ return false;
+
+ x86_spec_ctrl_base |= SPEC_CTRL_BHI_DIS_S;
+ update_spec_ctrl(x86_spec_ctrl_base);
+ setup_force_cpu_cap(X86_FEATURE_CLEAR_BHB_HW);
+
+ return true;
+}
+
+enum bhi_mitigations {
+ BHI_MITIGATION_OFF,
+ BHI_MITIGATION_ON,
+ BHI_MITIGATION_AUTO,
+};
+
+static enum bhi_mitigations bhi_mitigation __ro_after_init =
+ IS_ENABLED(CONFIG_SPECTRE_BHI_ON) ? BHI_MITIGATION_ON :
+ IS_ENABLED(CONFIG_SPECTRE_BHI_OFF) ? BHI_MITIGATION_OFF :
+ BHI_MITIGATION_AUTO;
+
+static int __init spectre_bhi_parse_cmdline(char *str)
+{
+ if (!str)
+ return -EINVAL;
+
+ if (!strcmp(str, "off"))
+ bhi_mitigation = BHI_MITIGATION_OFF;
+ else if (!strcmp(str, "on"))
+ bhi_mitigation = BHI_MITIGATION_ON;
+ else if (!strcmp(str, "auto"))
+ bhi_mitigation = BHI_MITIGATION_AUTO;
+ else
+ pr_err("Ignoring unknown spectre_bhi option (%s)", str);
+
+ return 0;
+}
+early_param("spectre_bhi", spectre_bhi_parse_cmdline);
+
+static void __init bhi_select_mitigation(void)
+{
+ if (bhi_mitigation == BHI_MITIGATION_OFF)
+ return;
+
+ /* Retpoline mitigates against BHI unless the CPU has RRSBA behavior */
+ if (cpu_feature_enabled(X86_FEATURE_RETPOLINE) &&
+ !(x86_read_arch_cap_msr() & ARCH_CAP_RRSBA))
+ return;
+
+ if (spec_ctrl_bhi_dis())
+ return;
+
+ if (!IS_ENABLED(CONFIG_X86_64))
+ return;
+
+ if (bhi_mitigation == BHI_MITIGATION_AUTO)
+ return;
+
+ setup_force_cpu_cap(X86_FEATURE_CLEAR_BHB_LOOP);
+ pr_info("Spectre BHI mitigation: SW BHB clearing on syscall\n");
+}
+
static void __init spectre_v2_select_mitigation(void)
{
enum spectre_v2_mitigation_cmd cmd = spectre_v2_parse_cmdline();
@@ -1718,6 +1786,9 @@ static void __init spectre_v2_select_mitigation(void)
mode == SPECTRE_V2_RETPOLINE)
spec_ctrl_disable_kernel_rrsba();
+ if (boot_cpu_has(X86_BUG_BHI))
+ bhi_select_mitigation();
+
spectre_v2_enabled = mode;
pr_info("%s\n", spectre_v2_strings[mode]);
@@ -2733,6 +2804,21 @@ static char *pbrsb_eibrs_state(void)
}
}
+static const char * const spectre_bhi_state(void)
+{
+ if (!boot_cpu_has_bug(X86_BUG_BHI))
+ return "; BHI: Not affected";
+ else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_HW))
+ return "; BHI: BHI_DIS_S";
+ else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP))
+ return "; BHI: SW loop";
+ else if (boot_cpu_has(X86_FEATURE_RETPOLINE) &&
+ !(x86_read_arch_cap_msr() & ARCH_CAP_RRSBA))
+ return "; BHI: Retpoline";
+
+ return "; BHI: Vulnerable (Syscall hardening enabled)";
+}
+
static ssize_t spectre_v2_show_state(char *buf)
{
if (spectre_v2_enabled == SPECTRE_V2_LFENCE)
@@ -2745,13 +2831,15 @@ static ssize_t spectre_v2_show_state(char *buf)
spectre_v2_enabled == SPECTRE_V2_EIBRS_LFENCE)
return sysfs_emit(buf, "Vulnerable: eIBRS+LFENCE with unprivileged eBPF and SMT\n");
- return sysfs_emit(buf, "%s%s%s%s%s%s%s\n",
+ return sysfs_emit(buf, "%s%s%s%s%s%s%s%s\n",
spectre_v2_strings[spectre_v2_enabled],
ibpb_state(),
boot_cpu_has(X86_FEATURE_USE_IBRS_FW) ? "; IBRS_FW" : "",
stibp_state(),
boot_cpu_has(X86_FEATURE_RSB_CTXSW) ? "; RSB filling" : "",
pbrsb_eibrs_state(),
+ spectre_bhi_state(),
+ /* this should always be at the end */
spectre_v2_module_string());
}
--
GitLab
From 95a6ccbdc7199a14b71ad8901cb788ba7fb5167b Mon Sep 17 00:00:00 2001
From: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Date: Mon, 11 Mar 2024 08:57:09 -0700
Subject: [PATCH 2275/2686] x86/bhi: Mitigate KVM by default
BHI mitigation mode spectre_bhi=auto does not deploy the software
mitigation by default. In a cloud environment, it is a likely scenario
where userspace is trusted but the guests are not trusted. Deploying
system wide mitigation in such cases is not desirable.
Update the auto mode to unconditionally mitigate against malicious
guests. Deploy the software sequence at VMexit in auto mode also, when
hardware mitigation is not available. Unlike the force =on mode,
software sequence is not deployed at syscalls in auto mode.
Suggested-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
Documentation/admin-guide/hw-vuln/spectre.rst | 7 +++++--
Documentation/admin-guide/kernel-parameters.txt | 5 +++--
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/include/asm/nospec-branch.h | 5 +++++
arch/x86/kernel/cpu/bugs.c | 9 ++++++++-
arch/x86/kvm/vmx/vmenter.S | 2 +-
6 files changed, 23 insertions(+), 6 deletions(-)
diff --git a/Documentation/admin-guide/hw-vuln/spectre.rst b/Documentation/admin-guide/hw-vuln/spectre.rst
index 7cb99b09827ce..b70b1d8bd8e65 100644
--- a/Documentation/admin-guide/hw-vuln/spectre.rst
+++ b/Documentation/admin-guide/hw-vuln/spectre.rst
@@ -439,10 +439,12 @@ The possible values in this file are:
- System is protected by retpoline
* - BHI: BHI_DIS_S
- System is protected by BHI_DIS_S
- * - BHI: SW loop
+ * - BHI: SW loop; KVM SW loop
- System is protected by software clearing sequence
* - BHI: Syscall hardening
- Syscalls are hardened against BHI
+ * - BHI: Syscall hardening; KVM: SW loop
+ - System is protected from userspace attacks by syscall hardening; KVM is protected by software clearing sequence
Full mitigation might require a microcode update from the CPU
vendor. When the necessary microcode is not available, the kernel will
@@ -669,7 +671,8 @@ kernel command line.
unconditionally disable.
auto
enable if hardware mitigation
- control(BHI_DIS_S) is available.
+ control(BHI_DIS_S) is available, otherwise
+ enable alternate mitigation in KVM.
For spectre_v2_user see Documentation/admin-guide/kernel-parameters.txt
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 2dbe60c1db225..4fa46302f4368 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6071,8 +6071,9 @@
on - unconditionally enable.
off - unconditionally disable.
- auto - (default) enable only if hardware mitigation
- control(BHI_DIS_S) is available.
+ auto - (default) enable hardware mitigation
+ (BHI_DIS_S) if available, otherwise enable
+ alternate mitigation in KVM.
spectre_v2= [X86,EARLY] Control mitigation of Spectre variant 2
(indirect branch speculation) vulnerability.
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index a2ee9a00e4a7e..3c7434329661c 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -469,6 +469,7 @@
#define X86_FEATURE_CLEAR_BHB_LOOP (21*32+ 1) /* "" Clear branch history at syscall entry using SW loop */
#define X86_FEATURE_BHI_CTRL (21*32+ 2) /* "" BHI_DIS_S HW control available */
#define X86_FEATURE_CLEAR_BHB_HW (21*32+ 3) /* "" BHI_DIS_S HW control enabled */
+#define X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT (21*32+ 4) /* "" Clear branch history at vmexit using SW loop */
/*
* BUG word(s)
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
index aea40204278b6..ff5f1ecc7d1e6 100644
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -330,8 +330,13 @@
.macro CLEAR_BRANCH_HISTORY
ALTERNATIVE "", "call clear_bhb_loop", X86_FEATURE_CLEAR_BHB_LOOP
.endm
+
+.macro CLEAR_BRANCH_HISTORY_VMEXIT
+ ALTERNATIVE "", "call clear_bhb_loop", X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT
+.endm
#else
#define CLEAR_BRANCH_HISTORY
+#define CLEAR_BRANCH_HISTORY_VMEXIT
#endif
#else /* __ASSEMBLY__ */
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 1ab2750298887..295463707e681 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -1668,9 +1668,14 @@ static void __init bhi_select_mitigation(void)
if (!IS_ENABLED(CONFIG_X86_64))
return;
+ /* Mitigate KVM by default */
+ setup_force_cpu_cap(X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT);
+ pr_info("Spectre BHI mitigation: SW BHB clearing on vm exit\n");
+
if (bhi_mitigation == BHI_MITIGATION_AUTO)
return;
+ /* Mitigate syscalls when the mitigation is forced =on */
setup_force_cpu_cap(X86_FEATURE_CLEAR_BHB_LOOP);
pr_info("Spectre BHI mitigation: SW BHB clearing on syscall\n");
}
@@ -2811,10 +2816,12 @@ static const char * const spectre_bhi_state(void)
else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_HW))
return "; BHI: BHI_DIS_S";
else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP))
- return "; BHI: SW loop";
+ return "; BHI: SW loop, KVM: SW loop";
else if (boot_cpu_has(X86_FEATURE_RETPOLINE) &&
!(x86_read_arch_cap_msr() & ARCH_CAP_RRSBA))
return "; BHI: Retpoline";
+ else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT))
+ return "; BHI: Syscall hardening, KVM: SW loop";
return "; BHI: Vulnerable (Syscall hardening enabled)";
}
diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S
index 0f3593e10c57d..f6986dee6f8c7 100644
--- a/arch/x86/kvm/vmx/vmenter.S
+++ b/arch/x86/kvm/vmx/vmenter.S
@@ -275,7 +275,7 @@ SYM_INNER_LABEL_ALIGN(vmx_vmexit, SYM_L_GLOBAL)
call vmx_spec_ctrl_restore_host
- CLEAR_BRANCH_HISTORY
+ CLEAR_BRANCH_HISTORY_VMEXIT
/* Put return value in AX */
mov %_ASM_BX, %_ASM_AX
--
GitLab
From ed2e8d49b54d677f3123668a21a57822d679651f Mon Sep 17 00:00:00 2001
From: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Date: Wed, 13 Mar 2024 09:49:17 -0700
Subject: [PATCH 2276/2686] KVM: x86: Add BHI_NO
Intel processors that aren't vulnerable to BHI will set
MSR_IA32_ARCH_CAPABILITIES[BHI_NO] = 1;. Guests may use this BHI_NO bit to
determine if they need to implement BHI mitigations or not. Allow this bit
to be passed to the guests.
Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
arch/x86/kvm/x86.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 47d9f03b77783..984ea2089efc3 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1621,7 +1621,7 @@ static bool kvm_is_immutable_feature_msr(u32 msr)
ARCH_CAP_PSCHANGE_MC_NO | ARCH_CAP_TSX_CTRL_MSR | ARCH_CAP_TAA_NO | \
ARCH_CAP_SBDR_SSDP_NO | ARCH_CAP_FBSDP_NO | ARCH_CAP_PSDP_NO | \
ARCH_CAP_FB_CLEAR | ARCH_CAP_RRSBA | ARCH_CAP_PBRSB_NO | ARCH_CAP_GDS_NO | \
- ARCH_CAP_RFDS_NO | ARCH_CAP_RFDS_CLEAR)
+ ARCH_CAP_RFDS_NO | ARCH_CAP_RFDS_CLEAR | ARCH_CAP_BHI_NO)
static u64 kvm_get_arch_capabilities(void)
{
--
GitLab
From 8db8f6ce556af60ca9a9fd5e826d369ded70fcc7 Mon Sep 17 00:00:00 2001
From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Date: Wed, 3 Apr 2024 18:50:03 +0530
Subject: [PATCH 2277/2686] scsi: ufs: qcom: Add missing interconnect bandwidth
values for Gear 5
These entries are necessary to scale the interconnect bandwidth while
operating in Gear 5.
Cc: Amit Pundir <amit.pundir@linaro.org>
Fixes: 03ce80a1bb86 ("scsi: ufs: qcom: Add support for scaling interconnects")
Tested-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240403-ufs-icc-fix-v2-1-958412a5eb45@linaro.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/ufs/host/ufs-qcom.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 06859e17b67b7..7a00004bfd036 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -47,7 +47,7 @@ enum {
TSTBUS_MAX,
};
-#define QCOM_UFS_MAX_GEAR 4
+#define QCOM_UFS_MAX_GEAR 5
#define QCOM_UFS_MAX_LANE 2
enum {
@@ -67,26 +67,32 @@ static const struct __ufs_qcom_bw_table {
[MODE_PWM][UFS_PWM_G2][UFS_LANE_1] = { 1844, 1000 },
[MODE_PWM][UFS_PWM_G3][UFS_LANE_1] = { 3688, 1000 },
[MODE_PWM][UFS_PWM_G4][UFS_LANE_1] = { 7376, 1000 },
+ [MODE_PWM][UFS_PWM_G5][UFS_LANE_1] = { 14752, 1000 },
[MODE_PWM][UFS_PWM_G1][UFS_LANE_2] = { 1844, 1000 },
[MODE_PWM][UFS_PWM_G2][UFS_LANE_2] = { 3688, 1000 },
[MODE_PWM][UFS_PWM_G3][UFS_LANE_2] = { 7376, 1000 },
[MODE_PWM][UFS_PWM_G4][UFS_LANE_2] = { 14752, 1000 },
+ [MODE_PWM][UFS_PWM_G5][UFS_LANE_2] = { 29504, 1000 },
[MODE_HS_RA][UFS_HS_G1][UFS_LANE_1] = { 127796, 1000 },
[MODE_HS_RA][UFS_HS_G2][UFS_LANE_1] = { 255591, 1000 },
[MODE_HS_RA][UFS_HS_G3][UFS_LANE_1] = { 1492582, 102400 },
[MODE_HS_RA][UFS_HS_G4][UFS_LANE_1] = { 2915200, 204800 },
+ [MODE_HS_RA][UFS_HS_G5][UFS_LANE_1] = { 5836800, 409600 },
[MODE_HS_RA][UFS_HS_G1][UFS_LANE_2] = { 255591, 1000 },
[MODE_HS_RA][UFS_HS_G2][UFS_LANE_2] = { 511181, 1000 },
[MODE_HS_RA][UFS_HS_G3][UFS_LANE_2] = { 1492582, 204800 },
[MODE_HS_RA][UFS_HS_G4][UFS_LANE_2] = { 2915200, 409600 },
+ [MODE_HS_RA][UFS_HS_G5][UFS_LANE_2] = { 5836800, 819200 },
[MODE_HS_RB][UFS_HS_G1][UFS_LANE_1] = { 149422, 1000 },
[MODE_HS_RB][UFS_HS_G2][UFS_LANE_1] = { 298189, 1000 },
[MODE_HS_RB][UFS_HS_G3][UFS_LANE_1] = { 1492582, 102400 },
[MODE_HS_RB][UFS_HS_G4][UFS_LANE_1] = { 2915200, 204800 },
+ [MODE_HS_RB][UFS_HS_G5][UFS_LANE_1] = { 5836800, 409600 },
[MODE_HS_RB][UFS_HS_G1][UFS_LANE_2] = { 298189, 1000 },
[MODE_HS_RB][UFS_HS_G2][UFS_LANE_2] = { 596378, 1000 },
[MODE_HS_RB][UFS_HS_G3][UFS_LANE_2] = { 1492582, 204800 },
[MODE_HS_RB][UFS_HS_G4][UFS_LANE_2] = { 2915200, 409600 },
+ [MODE_HS_RB][UFS_HS_G5][UFS_LANE_2] = { 5836800, 819200 },
[MODE_MAX][0][0] = { 7643136, 307200 },
};
--
GitLab
From 18f06e97692516d28c3cdc577fb5c501d690b303 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Tue, 19 Mar 2024 17:15:40 -0700
Subject: [PATCH 2278/2686] KVM: Add helpers to consolidate gfn_to_pfn_cache's
page split check
Add a helper to check that the incoming length for a gfn_to_pfn_cache is
valid with respect to the cache's GPA and/or HVA. To avoid activating a
cache with a bogus GPA, a future fix will fork the page split check in
the inner refresh path into activate() and the public rerfresh() APIs, at
which point KVM will check the length in three separate places.
Deliberately keep the "page offset" logic open coded, as the only other
path that consumes the offset, __kvm_gpc_refresh(), already needs to
differentiate between GPA-based and HVA-based caches, and it's not obvious
that using a helper is a net positive in overall code readability.
Note, for GPA-based caches, this has a subtle side effect of using the GPA
instead of the resolved HVA in the check() path, but that should be a nop
as the HVA offset is derived from the GPA, i.e. the two offsets are
identical, barring a KVM bug.
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Link: https://lore.kernel.org/r/20240320001542.3203871-2-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
virt/kvm/pfncache.c | 27 +++++++++++++++++++--------
1 file changed, 19 insertions(+), 8 deletions(-)
diff --git a/virt/kvm/pfncache.c b/virt/kvm/pfncache.c
index 4e07112a24c2f..8f2121b5f2a0a 100644
--- a/virt/kvm/pfncache.c
+++ b/virt/kvm/pfncache.c
@@ -57,6 +57,19 @@ void gfn_to_pfn_cache_invalidate_start(struct kvm *kvm, unsigned long start,
spin_unlock(&kvm->gpc_lock);
}
+static bool kvm_gpc_is_valid_len(gpa_t gpa, unsigned long uhva,
+ unsigned long len)
+{
+ unsigned long offset = kvm_is_error_gpa(gpa) ? offset_in_page(uhva) :
+ offset_in_page(gpa);
+
+ /*
+ * The cached access must fit within a single page. The 'len' argument
+ * to activate() and refresh() exists only to enforce that.
+ */
+ return offset + len <= PAGE_SIZE;
+}
+
bool kvm_gpc_check(struct gfn_to_pfn_cache *gpc, unsigned long len)
{
struct kvm_memslots *slots = kvm_memslots(gpc->kvm);
@@ -74,7 +87,7 @@ bool kvm_gpc_check(struct gfn_to_pfn_cache *gpc, unsigned long len)
if (kvm_is_error_hva(gpc->uhva))
return false;
- if (offset_in_page(gpc->uhva) + len > PAGE_SIZE)
+ if (!kvm_gpc_is_valid_len(gpc->gpa, gpc->uhva, len))
return false;
if (!gpc->valid)
@@ -247,13 +260,7 @@ static int __kvm_gpc_refresh(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned l
if (WARN_ON_ONCE(kvm_is_error_gpa(gpa) == kvm_is_error_hva(uhva)))
return -EINVAL;
- /*
- * The cached acces must fit within a single page. The 'len' argument
- * exists only to enforce that.
- */
- page_offset = kvm_is_error_gpa(gpa) ? offset_in_page(uhva) :
- offset_in_page(gpa);
- if (page_offset + len > PAGE_SIZE)
+ if (!kvm_gpc_is_valid_len(gpa, uhva, len))
return -EINVAL;
lockdep_assert_held(&gpc->refresh_lock);
@@ -270,6 +277,8 @@ static int __kvm_gpc_refresh(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned l
old_uhva = PAGE_ALIGN_DOWN(gpc->uhva);
if (kvm_is_error_gpa(gpa)) {
+ page_offset = offset_in_page(uhva);
+
gpc->gpa = INVALID_GPA;
gpc->memslot = NULL;
gpc->uhva = PAGE_ALIGN_DOWN(uhva);
@@ -279,6 +288,8 @@ static int __kvm_gpc_refresh(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned l
} else {
struct kvm_memslots *slots = kvm_memslots(gpc->kvm);
+ page_offset = offset_in_page(gpa);
+
if (gpc->gpa != gpa || gpc->generation != slots->generation ||
kvm_is_error_hva(gpc->uhva)) {
gfn_t gfn = gpa_to_gfn(gpa);
--
GitLab
From 5c9ca4ed890889a2b7c300c4f63f3baf3f63383f Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Tue, 19 Mar 2024 17:15:41 -0700
Subject: [PATCH 2279/2686] KVM: Check validity of offset+length of
gfn_to_pfn_cache prior to activation
When activating a gfn_to_pfn_cache, verify that the offset+length is sane
and usable before marking the cache active. Letting __kvm_gpc_refresh()
detect the problem results in a cache being marked active without setting
the GPA (or any other fields), which in turn results in KVM trying to
refresh a cache with INVALID_GPA.
Attempting to refresh a cache with INVALID_GPA isn't functionally
problematic, but it runs afoul of the sanity check that exactly one of
GPA or userspace HVA is valid, i.e. that a cache is either GPA-based or
HVA-based.
Reported-by: syzbot+106a4f72b0474e1d1b33@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/0000000000005fa5cc0613f1cebd@google.com
Fixes: 721f5b0dda78 ("KVM: pfncache: allow a cache to be activated with a fixed (userspace) HVA")
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Paul Durrant <paul@xen.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Link: https://lore.kernel.org/r/20240320001542.3203871-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
virt/kvm/pfncache.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/virt/kvm/pfncache.c b/virt/kvm/pfncache.c
index 8f2121b5f2a0a..91b0e329006ba 100644
--- a/virt/kvm/pfncache.c
+++ b/virt/kvm/pfncache.c
@@ -245,8 +245,7 @@ static kvm_pfn_t hva_to_pfn_retry(struct gfn_to_pfn_cache *gpc)
return -EFAULT;
}
-static int __kvm_gpc_refresh(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned long uhva,
- unsigned long len)
+static int __kvm_gpc_refresh(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned long uhva)
{
unsigned long page_offset;
bool unmap_old = false;
@@ -260,9 +259,6 @@ static int __kvm_gpc_refresh(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned l
if (WARN_ON_ONCE(kvm_is_error_gpa(gpa) == kvm_is_error_hva(uhva)))
return -EINVAL;
- if (!kvm_gpc_is_valid_len(gpa, uhva, len))
- return -EINVAL;
-
lockdep_assert_held(&gpc->refresh_lock);
write_lock_irq(&gpc->lock);
@@ -365,6 +361,9 @@ int kvm_gpc_refresh(struct gfn_to_pfn_cache *gpc, unsigned long len)
guard(mutex)(&gpc->refresh_lock);
+ if (!kvm_gpc_is_valid_len(gpc->gpa, gpc->uhva, len))
+ return -EINVAL;
+
/*
* If the GPA is valid then ignore the HVA, as a cache can be GPA-based
* or HVA-based, not both. For GPA-based caches, the HVA will be
@@ -372,7 +371,7 @@ int kvm_gpc_refresh(struct gfn_to_pfn_cache *gpc, unsigned long len)
*/
uhva = kvm_is_error_gpa(gpc->gpa) ? gpc->uhva : KVM_HVA_ERR_BAD;
- return __kvm_gpc_refresh(gpc, gpc->gpa, uhva, len);
+ return __kvm_gpc_refresh(gpc, gpc->gpa, uhva);
}
void kvm_gpc_init(struct gfn_to_pfn_cache *gpc, struct kvm *kvm)
@@ -392,6 +391,9 @@ static int __kvm_gpc_activate(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned
{
struct kvm *kvm = gpc->kvm;
+ if (!kvm_gpc_is_valid_len(gpa, uhva, len))
+ return -EINVAL;
+
guard(mutex)(&gpc->refresh_lock);
if (!gpc->active) {
@@ -411,7 +413,7 @@ static int __kvm_gpc_activate(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned
gpc->active = true;
write_unlock_irq(&gpc->lock);
}
- return __kvm_gpc_refresh(gpc, gpa, uhva, len);
+ return __kvm_gpc_refresh(gpc, gpa, uhva);
}
int kvm_gpc_activate(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned long len)
--
GitLab
From fc62a4e8dee2d1a9037e8cdeaa52ba67457f7300 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Tue, 19 Mar 2024 17:15:42 -0700
Subject: [PATCH 2280/2686] KVM: Explicitly disallow activatating a
gfn_to_pfn_cache with INVALID_GPA
Explicit disallow activating a gfn_to_pfn_cache with an error gpa, i.e.
INVALID_GPA, to ensure that KVM doesn't mistake a GPA-based cache for an
HVA-based cache (KVM uses INVALID_GPA as a magic value to differentiate
between GPA-based and HVA-based caches).
WARN if KVM attempts to activate a cache with INVALID_GPA, purely so that
new caches need to at least consider what to do with a "bad" GPA, as all
existing usage of kvm_gpc_activate() guarantees gpa != INVALID_GPA. I.e.
removing the WARN in the future is completely reasonable if doing so would
yield cleaner/better code overall.
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
Link: https://lore.kernel.org/r/20240320001542.3203871-4-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
virt/kvm/pfncache.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/virt/kvm/pfncache.c b/virt/kvm/pfncache.c
index 91b0e329006ba..f618719644e04 100644
--- a/virt/kvm/pfncache.c
+++ b/virt/kvm/pfncache.c
@@ -418,6 +418,13 @@ static int __kvm_gpc_activate(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned
int kvm_gpc_activate(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned long len)
{
+ /*
+ * Explicitly disallow INVALID_GPA so that the magic value can be used
+ * by KVM to differentiate between GPA-based and HVA-based caches.
+ */
+ if (WARN_ON_ONCE(kvm_is_error_gpa(gpa)))
+ return -EINVAL;
+
return __kvm_gpc_activate(gpc, gpa, KVM_HVA_ERR_BAD, len);
}
--
GitLab
From 9e985cbf2942a1bb8fcef9adc2a17d90fd7ca8ee Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Wed, 6 Mar 2024 16:58:33 -0800
Subject: [PATCH 2281/2686] KVM: x86/pmu: Disable support for adaptive PEBS
Drop support for virtualizing adaptive PEBS, as KVM's implementation is
architecturally broken without an obvious/easy path forward, and because
exposing adaptive PEBS can leak host LBRs to the guest, i.e. can leak
host kernel addresses to the guest.
Bug #1 is that KVM doesn't account for the upper 32 bits of
IA32_FIXED_CTR_CTRL when (re)programming fixed counters, e.g
fixed_ctrl_field() drops the upper bits, reprogram_fixed_counters()
stores local variables as u8s and truncates the upper bits too, etc.
Bug #2 is that, because KVM _always_ sets precise_ip to a non-zero value
for PEBS events, perf will _always_ generate an adaptive record, even if
the guest requested a basic record. Note, KVM will also enable adaptive
PEBS in individual *counter*, even if adaptive PEBS isn't exposed to the
guest, but this is benign as MSR_PEBS_DATA_CFG is guaranteed to be zero,
i.e. the guest will only ever see Basic records.
Bug #3 is in perf. intel_pmu_disable_fixed() doesn't clear the upper
bits either, i.e. leaves ICL_FIXED_0_ADAPTIVE set, and
intel_pmu_enable_fixed() effectively doesn't clear ICL_FIXED_0_ADAPTIVE
either. I.e. perf _always_ enables ADAPTIVE counters, regardless of what
KVM requests.
Bug #4 is that adaptive PEBS *might* effectively bypass event filters set
by the host, as "Updated Memory Access Info Group" records information
that might be disallowed by userspace via KVM_SET_PMU_EVENT_FILTER.
Bug #5 is that KVM doesn't ensure LBR MSRs hold guest values (or at least
zeros) when entering a vCPU with adaptive PEBS, which allows the guest
to read host LBRs, i.e. host RIPs/addresses, by enabling "LBR Entries"
records.
Disable adaptive PEBS support as an immediate fix due to the severity of
the LBR leak in particular, and because fixing all of the bugs will be
non-trivial, e.g. not suitable for backporting to stable kernels.
Note! This will break live migration, but trying to make KVM play nice
with live migration would be quite complicated, wouldn't be guaranteed to
work (i.e. KVM might still kill/confuse the guest), and it's not clear
that there are any publicly available VMMs that support adaptive PEBS,
let alone live migrate VMs that support adaptive PEBS, e.g. QEMU doesn't
support PEBS in any capacity.
Link: https://lore.kernel.org/all/20240306230153.786365-1-seanjc@google.com
Link: https://lore.kernel.org/all/ZeepGjHCeSfadANM@google.com
Fixes: c59a1f106f5c ("KVM: x86/pmu: Add IA32_PEBS_ENABLE MSR emulation for extended PEBS")
Cc: stable@vger.kernel.org
Cc: Like Xu <like.xu.linux@gmail.com>
Cc: Mingwei Zhang <mizhang@google.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Zhang Xiong <xiong.y.zhang@intel.com>
Cc: Lv Zhiyuan <zhiyuan.lv@intel.com>
Cc: Dapeng Mi <dapeng1.mi@intel.com>
Cc: Jim Mattson <jmattson@google.com>
Acked-by: Like Xu <likexu@tencent.com>
Link: https://lore.kernel.org/r/20240307005833.827147-1-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/vmx/vmx.c | 24 ++++++++++++++++++++++--
1 file changed, 22 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index c37a89eda90f8..e3315bda62372 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7882,8 +7882,28 @@ static u64 vmx_get_perf_capabilities(void)
if (vmx_pebs_supported()) {
perf_cap |= host_perf_cap & PERF_CAP_PEBS_MASK;
- if ((perf_cap & PERF_CAP_PEBS_FORMAT) < 4)
- perf_cap &= ~PERF_CAP_PEBS_BASELINE;
+
+ /*
+ * Disallow adaptive PEBS as it is functionally broken, can be
+ * used by the guest to read *host* LBRs, and can be used to
+ * bypass userspace event filters. To correctly and safely
+ * support adaptive PEBS, KVM needs to:
+ *
+ * 1. Account for the ADAPTIVE flag when (re)programming fixed
+ * counters.
+ *
+ * 2. Gain support from perf (or take direct control of counter
+ * programming) to support events without adaptive PEBS
+ * enabled for the hardware counter.
+ *
+ * 3. Ensure LBR MSRs cannot hold host data on VM-Entry with
+ * adaptive PEBS enabled and MSR_PEBS_DATA_CFG.LBRS=1.
+ *
+ * 4. Document which PMU events are effectively exposed to the
+ * guest via adaptive PEBS, and make adaptive PEBS mutually
+ * exclusive with KVM_SET_PMU_EVENT_FILTER if necessary.
+ */
+ perf_cap &= ~PERF_CAP_PEBS_BASELINE;
}
return perf_cap;
--
GitLab
From 992b54bd083c5bee24ff7cc35991388ab08598c4 Mon Sep 17 00:00:00 2001
From: Rick Edgecombe <rick.p.edgecombe@intel.com>
Date: Thu, 14 Mar 2024 14:29:02 -0700
Subject: [PATCH 2282/2686] KVM: x86/mmu: x86: Don't overflow lpage_info when
checking attributes
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Fix KVM_SET_MEMORY_ATTRIBUTES to not overflow lpage_info array and trigger
KASAN splat, as seen in the private_mem_conversions_test selftest.
When memory attributes are set on a GFN range, that range will have
specific properties applied to the TDP. A huge page cannot be used when
the attributes are inconsistent, so they are disabled for those the
specific huge pages. For internal KVM reasons, huge pages are also not
allowed to span adjacent memslots regardless of whether the backing memory
could be mapped as huge.
What GFNs support which huge page sizes is tracked by an array of arrays
'lpage_info' on the memslot, of ‘kvm_lpage_info’ structs. Each index of
lpage_info contains a vmalloc allocated array of these for a specific
supported page size. The kvm_lpage_info denotes whether a specific huge
page (GFN and page size) on the memslot is supported. These arrays include
indices for unaligned head and tail huge pages.
Preventing huge pages from spanning adjacent memslot is covered by
incrementing the count in head and tail kvm_lpage_info when the memslot is
allocated, but disallowing huge pages for memory that has mixed attributes
has to be done in a more complicated way. During the
KVM_SET_MEMORY_ATTRIBUTES ioctl KVM updates lpage_info for each memslot in
the range that has mismatched attributes. KVM does this a memslot at a
time, and marks a special bit, KVM_LPAGE_MIXED_FLAG, in the kvm_lpage_info
for any huge page. This bit is essentially a permanently elevated count.
So huge pages will not be mapped for the GFN at that page size if the
count is elevated in either case: a huge head or tail page unaligned to
the memslot or if KVM_LPAGE_MIXED_FLAG is set because it has mixed
attributes.
To determine whether a huge page has consistent attributes, the
KVM_SET_MEMORY_ATTRIBUTES operation checks an xarray to make sure it
consistently has the incoming attribute. Since level - 1 huge pages are
aligned to level huge pages, it employs an optimization. As long as the
level - 1 huge pages are checked first, it can just check these and assume
that if each level - 1 huge page contained within the level sized huge
page is not mixed, then the level size huge page is not mixed. This
optimization happens in the helper hugepage_has_attrs().
Unfortunately, although the kvm_lpage_info array representing page size
'level' will contain an entry for an unaligned tail page of size level,
the array for level - 1 will not contain an entry for each GFN at page
size level. The level - 1 array will only contain an index for any
unaligned region covered by level - 1 huge page size, which can be a
smaller region. So this causes the optimization to overflow the level - 1
kvm_lpage_info and perform a vmalloc out of bounds read.
In some cases of head and tail pages where an overflow could happen,
callers skip the operation completely as KVM_LPAGE_MIXED_FLAG is not
required to prevent huge pages as discussed earlier. But for memslots that
are smaller than the 1GB page size, it does call hugepage_has_attrs(). In
this case the huge page is both the head and tail page. The issue can be
observed simply by compiling the kernel with CONFIG_KASAN_VMALLOC and
running the selftest “private_mem_conversions_testâ€, which produces the
output like the following:
BUG: KASAN: vmalloc-out-of-bounds in hugepage_has_attrs+0x7e/0x110
Read of size 4 at addr ffffc900000a3008 by task private_mem_con/169
Call Trace:
dump_stack_lvl
print_report
? __virt_addr_valid
? hugepage_has_attrs
? hugepage_has_attrs
kasan_report
? hugepage_has_attrs
hugepage_has_attrs
kvm_arch_post_set_memory_attributes
kvm_vm_ioctl
It is a little ambiguous whether the unaligned head page (in the bug case
also the tail page) should be expected to have KVM_LPAGE_MIXED_FLAG set.
It is not functionally required, as the unaligned head/tail pages will
already have their kvm_lpage_info count incremented. The comments imply
not setting it on unaligned head pages is intentional, so fix the callers
to skip trying to set KVM_LPAGE_MIXED_FLAG in this case, and in doing so
not call hugepage_has_attrs().
Cc: stable@vger.kernel.org
Fixes: 90b4fe17981e ("KVM: x86: Disallow hugepages when memory attributes are mixed")
Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Reviewed-by: Kai Huang <kai.huang@intel.com>
Reviewed-by: Chao Peng <chao.p.peng@linux.intel.com>
Link: https://lore.kernel.org/r/20240314212902.2762507-1-rick.p.edgecombe@intel.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/mmu/mmu.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 992e651540e85..18a404b5923f1 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -7399,7 +7399,8 @@ bool kvm_arch_post_set_memory_attributes(struct kvm *kvm,
* by the memslot, KVM can't use a hugepage due to the
* misaligned address regardless of memory attributes.
*/
- if (gfn >= slot->base_gfn) {
+ if (gfn >= slot->base_gfn &&
+ gfn + nr_pages <= slot->base_gfn + slot->npages) {
if (hugepage_has_attrs(kvm, slot, gfn, level, attrs))
hugepage_clear_mixed(slot, gfn, level);
else
--
GitLab
From de120e1d692d73c7eefa3278837b1eb68f90728a Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Fri, 8 Mar 2024 17:36:40 -0800
Subject: [PATCH 2283/2686] KVM: x86/pmu: Set enable bits for GP counters in
PERF_GLOBAL_CTRL at "RESET"
Set the enable bits for general purpose counters in IA32_PERF_GLOBAL_CTRL
when refreshing the PMU to emulate the MSR's architecturally defined
post-RESET behavior. Per Intel's SDM:
IA32_PERF_GLOBAL_CTRL: Sets bits n-1:0 and clears the upper bits.
and
Where "n" is the number of general-purpose counters available in the processor.
AMD also documents this behavior for PerfMonV2 CPUs in one of AMD's many
PPRs.
Do not set any PERF_GLOBAL_CTRL bits if there are no general purpose
counters, although a literal reading of the SDM would require the CPU to
set either bits 63:0 or 31:0. The intent of the behavior is to globally
enable all GP counters; honor the intent, if not the letter of the law.
Leaving PERF_GLOBAL_CTRL '0' effectively breaks PMU usage in guests that
haven't been updated to work with PMUs that support PERF_GLOBAL_CTRL.
This bug was recently exposed when KVM added supported for AMD's
PerfMonV2, i.e. when KVM started exposing a vPMU with PERF_GLOBAL_CTRL to
guest software that only knew how to program v1 PMUs (that don't support
PERF_GLOBAL_CTRL).
Failure to emulate the post-RESET behavior results in such guests
unknowingly leaving all general purpose counters globally disabled (the
entire reason the post-RESET value sets the GP counter enable bits is to
maintain backwards compatibility).
The bug has likely gone unnoticed because PERF_GLOBAL_CTRL has been
supported on Intel CPUs for as long as KVM has existed, i.e. hardly anyone
is running guest software that isn't aware of PERF_GLOBAL_CTRL on Intel
PMUs. And because up until v6.0, KVM _did_ emulate the behavior for Intel
CPUs, although the old behavior was likely dumb luck.
Because (a) that old code was also broken in its own way (the history of
this code is a comedy of errors), and (b) PERF_GLOBAL_CTRL was documented
as having a value of '0' post-RESET in all SDMs before March 2023.
Initial vPMU support in commit f5132b01386b ("KVM: Expose a version 2
architectural PMU to a guests") *almost* got it right (again likely by
dumb luck), but for some reason only set the bits if the guest PMU was
advertised as v1:
if (pmu->version == 1) {
pmu->global_ctrl = (1 << pmu->nr_arch_gp_counters) - 1;
return;
}
Commit f19a0c2c2e6a ("KVM: PMU emulation: GLOBAL_CTRL MSR should be
enabled on reset") then tried to remedy that goof, presumably because
guest PMUs were leaving PERF_GLOBAL_CTRL '0', i.e. weren't enabling
counters.
pmu->global_ctrl = ((1 << pmu->nr_arch_gp_counters) - 1) |
(((1ull << pmu->nr_arch_fixed_counters) - 1) << X86_PMC_IDX_FIXED);
pmu->global_ctrl_mask = ~pmu->global_ctrl;
That was KVM's behavior up until commit c49467a45fe0 ("KVM: x86/pmu:
Don't overwrite the pmu->global_ctrl when refreshing") removed
*everything*. However, it did so based on the behavior defined by the
SDM , which at the time stated that "Global Perf Counter Controls" is
'0' at Power-Up and RESET.
But then the March 2023 SDM (325462-079US), stealthily changed its
"IA-32 and Intel 64 Processor States Following Power-up, Reset, or INIT"
table to say:
IA32_PERF_GLOBAL_CTRL: Sets bits n-1:0 and clears the upper bits.
Note, kvm_pmu_refresh() can be invoked multiple times, i.e. it's not a
"pure" RESET flow. But it can only be called prior to the first KVM_RUN,
i.e. the guest will only ever observe the final value.
Note #2, KVM has always cleared global_ctrl during refresh (see commit
f5132b01386b ("KVM: Expose a version 2 architectural PMU to a guests")),
i.e. there is no danger of breaking existing setups by clobbering a value
set by userspace.
Reported-by: Babu Moger <babu.moger@amd.com>
Cc: Sandipan Das <sandipan.das@amd.com>
Cc: Like Xu <like.xu.linux@gmail.com>
Cc: Mingwei Zhang <mizhang@google.com>
Cc: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Tested-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Link: https://lore.kernel.org/r/20240309013641.1413400-2-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/pmu.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index c397b28e3d1b6..a593b03c9aed6 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -775,8 +775,20 @@ void kvm_pmu_refresh(struct kvm_vcpu *vcpu)
pmu->pebs_data_cfg_mask = ~0ull;
bitmap_zero(pmu->all_valid_pmc_idx, X86_PMC_IDX_MAX);
- if (vcpu->kvm->arch.enable_pmu)
- static_call(kvm_x86_pmu_refresh)(vcpu);
+ if (!vcpu->kvm->arch.enable_pmu)
+ return;
+
+ static_call(kvm_x86_pmu_refresh)(vcpu);
+
+ /*
+ * At RESET, both Intel and AMD CPUs set all enable bits for general
+ * purpose counters in IA32_PERF_GLOBAL_CTRL (so that software that
+ * was written for v1 PMUs don't unknowingly leave GP counters disabled
+ * in the global controls). Emulate that behavior when refreshing the
+ * PMU so that userspace doesn't need to manually set PERF_GLOBAL_CTRL.
+ */
+ if (kvm_pmu_has_perf_global_ctrl(pmu) && pmu->nr_arch_gp_counters)
+ pmu->global_ctrl = GENMASK_ULL(pmu->nr_arch_gp_counters - 1, 0);
}
void kvm_pmu_init(struct kvm_vcpu *vcpu)
--
GitLab
From 08a828249b16f69248652937be7f1b8dab340a22 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Fri, 8 Mar 2024 17:36:41 -0800
Subject: [PATCH 2284/2686] KVM: selftests: Verify post-RESET value of
PERF_GLOBAL_CTRL in PMCs test
Add a guest assert in the PMU counters test to verify that KVM stuffs
the vCPU's post-RESET value to globally enable all general purpose
counters. Per Intel's SDM,
IA32_PERF_GLOBAL_CTRL: Sets bits n-1:0 and clears the upper bits.
and
Where "n" is the number of general-purpose counters available in
the processor.
For the edge case where there are zero GP counters, follow the spirit
of the architecture, not the SDM's literal wording, which doesn't account
for this possibility and would require the CPU to set _all_ bits in
PERF_GLOBAL_CTRL.
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Tested-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Link: https://lore.kernel.org/r/20240309013641.1413400-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
.../selftests/kvm/x86_64/pmu_counters_test.c | 20 ++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/kvm/x86_64/pmu_counters_test.c b/tools/testing/selftests/kvm/x86_64/pmu_counters_test.c
index 29609b52f8fa0..26c85815f7e98 100644
--- a/tools/testing/selftests/kvm/x86_64/pmu_counters_test.c
+++ b/tools/testing/selftests/kvm/x86_64/pmu_counters_test.c
@@ -416,12 +416,30 @@ static void guest_rd_wr_counters(uint32_t base_msr, uint8_t nr_possible_counters
static void guest_test_gp_counters(void)
{
+ uint8_t pmu_version = guest_get_pmu_version();
uint8_t nr_gp_counters = 0;
uint32_t base_msr;
- if (guest_get_pmu_version())
+ if (pmu_version)
nr_gp_counters = this_cpu_property(X86_PROPERTY_PMU_NR_GP_COUNTERS);
+ /*
+ * For v2+ PMUs, PERF_GLOBAL_CTRL's architectural post-RESET value is
+ * "Sets bits n-1:0 and clears the upper bits", where 'n' is the number
+ * of GP counters. If there are no GP counters, require KVM to leave
+ * PERF_GLOBAL_CTRL '0'. This edge case isn't covered by the SDM, but
+ * follow the spirit of the architecture and only globally enable GP
+ * counters, of which there are none.
+ */
+ if (pmu_version > 1) {
+ uint64_t global_ctrl = rdmsr(MSR_CORE_PERF_GLOBAL_CTRL);
+
+ if (nr_gp_counters)
+ GUEST_ASSERT_EQ(global_ctrl, GENMASK_ULL(nr_gp_counters - 1, 0));
+ else
+ GUEST_ASSERT_EQ(global_ctrl, 0);
+ }
+
if (this_cpu_has(X86_FEATURE_PDCM) &&
rdmsr(MSR_IA32_PERF_CAPABILITIES) & PMU_CAP_FW_WRITES)
base_msr = MSR_IA32_PMC0;
--
GitLab
From 0ef2dd1f4144bc024d3c98954fa061a102f6481b Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <mlevitsk@redhat.com>
Date: Fri, 15 Mar 2024 10:35:07 -0400
Subject: [PATCH 2285/2686] KVM: selftests: fix max_guest_memory_test with more
that 256 vCPUs
max_guest_memory_test uses ucalls to sync with the host, but
it also resets the guest RIP back to its initial value in between
tests stages.
This makes the guest never reach the code which frees the ucall struct
and since a fixed pool of 512 ucall structs is used, the test starts
to fail when more that 256 vCPUs are used.
Fix that by replacing the manual register reset with a loop in
the guest code.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20240315143507.102629-1-mlevitsk@redhat.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
.../testing/selftests/kvm/max_guest_memory_test.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
diff --git a/tools/testing/selftests/kvm/max_guest_memory_test.c b/tools/testing/selftests/kvm/max_guest_memory_test.c
index 6628dc4dda89f..1a6da7389bf1f 100644
--- a/tools/testing/selftests/kvm/max_guest_memory_test.c
+++ b/tools/testing/selftests/kvm/max_guest_memory_test.c
@@ -22,10 +22,11 @@ static void guest_code(uint64_t start_gpa, uint64_t end_gpa, uint64_t stride)
{
uint64_t gpa;
- for (gpa = start_gpa; gpa < end_gpa; gpa += stride)
- *((volatile uint64_t *)gpa) = gpa;
-
- GUEST_DONE();
+ for (;;) {
+ for (gpa = start_gpa; gpa < end_gpa; gpa += stride)
+ *((volatile uint64_t *)gpa) = gpa;
+ GUEST_SYNC(0);
+ }
}
struct vcpu_info {
@@ -55,7 +56,7 @@ static void rendezvous_with_boss(void)
static void run_vcpu(struct kvm_vcpu *vcpu)
{
vcpu_run(vcpu);
- TEST_ASSERT_EQ(get_ucall(vcpu, NULL), UCALL_DONE);
+ TEST_ASSERT_EQ(get_ucall(vcpu, NULL), UCALL_SYNC);
}
static void *vcpu_worker(void *data)
@@ -64,17 +65,13 @@ static void *vcpu_worker(void *data)
struct kvm_vcpu *vcpu = info->vcpu;
struct kvm_vm *vm = vcpu->vm;
struct kvm_sregs sregs;
- struct kvm_regs regs;
vcpu_args_set(vcpu, 3, info->start_gpa, info->end_gpa, vm->page_size);
- /* Snapshot regs before the first run. */
- vcpu_regs_get(vcpu, ®s);
rendezvous_with_boss();
run_vcpu(vcpu);
rendezvous_with_boss();
- vcpu_regs_set(vcpu, ®s);
vcpu_sregs_get(vcpu, &sregs);
#ifdef __x86_64__
/* Toggle CR0.WP to trigger a MMU context reset. */
--
GitLab
From 449c0811d8729068646e1a270be72bf2da2e66f3 Mon Sep 17 00:00:00 2001
From: Andrew Jones <ajones@ventanamicro.com>
Date: Wed, 3 Apr 2024 14:33:01 +0200
Subject: [PATCH 2286/2686] KVM: selftests: fix supported_flags for riscv
commit 849c1816436f ("KVM: selftests: fix supported_flags for aarch64")
fixed the set-memory-region test for aarch64 by declaring the read-only
flag is supported. riscv also supports the read-only flag. Fix it too.
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20240403123300.63923-2-ajones@ventanamicro.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
tools/testing/selftests/kvm/set_memory_region_test.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/kvm/set_memory_region_test.c b/tools/testing/selftests/kvm/set_memory_region_test.c
index 06b43ed23580b..bd57d991e27d8 100644
--- a/tools/testing/selftests/kvm/set_memory_region_test.c
+++ b/tools/testing/selftests/kvm/set_memory_region_test.c
@@ -333,7 +333,7 @@ static void test_invalid_memory_region_flags(void)
struct kvm_vm *vm;
int r, i;
-#if defined __aarch64__ || defined __x86_64__
+#if defined __aarch64__ || defined __riscv || defined __x86_64__
supported_flags |= KVM_MEM_READONLY;
#endif
--
GitLab
From 7f2817ef52a1cc3ee0ace35eb8df7a39bd4fc9b7 Mon Sep 17 00:00:00 2001
From: Tao Su <tao1.su@linux.intel.com>
Date: Tue, 19 Mar 2024 11:11:11 +0800
Subject: [PATCH 2287/2686] KVM: VMX: Ignore MKTME KeyID bits when intercepting
#PF for allow_smaller_maxphyaddr
Use the raw/true host.MAXPHYADDR when deciding whether or not KVM must
intercept #PFs when allow_smaller_maxphyaddr is enabled, as any adjustments
the kernel makes to boot_cpu_data.x86_phys_bits to account for MKTME KeyID
bits do not apply to the guest physical address space. I.e. the KeyID are
off-limits for host physical addresses, but are not reserved for GPAs as
far as hardware is concerned.
Signed-off-by: Tao Su <tao1.su@linux.intel.com>
Link: https://lore.kernel.org/r/20240319031111.495006-1-tao1.su@linux.intel.com
[sean: massage changelog]
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/vmx/vmx.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index 65786dbe7d60b..1742c88ba9c80 100644
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -15,6 +15,7 @@
#include "vmx_ops.h"
#include "../cpuid.h"
#include "run_flags.h"
+#include "../mmu.h"
#define MSR_TYPE_R 1
#define MSR_TYPE_W 2
@@ -719,7 +720,8 @@ static inline bool vmx_need_pf_intercept(struct kvm_vcpu *vcpu)
if (!enable_ept)
return true;
- return allow_smaller_maxphyaddr && cpuid_maxphyaddr(vcpu) < boot_cpu_data.x86_phys_bits;
+ return allow_smaller_maxphyaddr &&
+ cpuid_maxphyaddr(vcpu) < kvm_get_shadow_phys_bits();
}
static inline bool is_unrestricted_guest(struct kvm_vcpu *vcpu)
--
GitLab
From ca91259b775f6fd98ae5d23bb4eec101d468ba8d Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Mon, 25 Mar 2024 15:44:17 -0700
Subject: [PATCH 2288/2686] scsi: core: Fix handling of SCMD_FAIL_IF_RECOVERING
There is code in the SCSI core that sets the SCMD_FAIL_IF_RECOVERING
flag but there is no code that clears this flag. Instead of only clearing
SCMD_INITIALIZED in scsi_end_request(), clear all flags. It is never
necessary to preserve any command flags inside scsi_end_request().
Cc: stable@vger.kernel.org
Fixes: 310bcaef6d7e ("scsi: core: Support failing requests while recovering")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240325224417.1477135-1-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/scsi_lib.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 2e28e2360c857..5b3230ef51fe6 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -635,10 +635,9 @@ static bool scsi_end_request(struct request *req, blk_status_t error,
if (blk_queue_add_random(q))
add_disk_randomness(req->q->disk);
- if (!blk_rq_is_passthrough(req)) {
- WARN_ON_ONCE(!(cmd->flags & SCMD_INITIALIZED));
- cmd->flags &= ~SCMD_INITIALIZED;
- }
+ WARN_ON_ONCE(!blk_rq_is_passthrough(req) &&
+ !(cmd->flags & SCMD_INITIALIZED));
+ cmd->flags = 0;
/*
* Calling rcu_barrier() is not necessary here because the
--
GitLab
From f96f700449b6d190e06272f1cf732ae8e45b73df Mon Sep 17 00:00:00 2001
From: Marek Vasut <marex@denx.de>
Date: Fri, 5 Apr 2024 22:30:39 +0200
Subject: [PATCH 2289/2686] net: ks8851: Inline ks8851_rx_skb()
Both ks8851_rx_skb_par() and ks8851_rx_skb_spi() call netif_rx(skb),
inline the netif_rx(skb) call directly into ks8851_common.c and drop
the .rx_skb callback and ks8851_rx_skb() wrapper. This removes one
indirect call from the driver, no functional change otherwise.
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20240405203204.82062-1-marex@denx.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/micrel/ks8851.h | 3 ---
drivers/net/ethernet/micrel/ks8851_common.c | 12 +-----------
drivers/net/ethernet/micrel/ks8851_par.c | 11 -----------
drivers/net/ethernet/micrel/ks8851_spi.c | 11 -----------
4 files changed, 1 insertion(+), 36 deletions(-)
diff --git a/drivers/net/ethernet/micrel/ks8851.h b/drivers/net/ethernet/micrel/ks8851.h
index e5ec0a363aff8..31f75b4a67fd7 100644
--- a/drivers/net/ethernet/micrel/ks8851.h
+++ b/drivers/net/ethernet/micrel/ks8851.h
@@ -368,7 +368,6 @@ union ks8851_tx_hdr {
* @rdfifo: FIFO read callback
* @wrfifo: FIFO write callback
* @start_xmit: start_xmit() implementation callback
- * @rx_skb: rx_skb() implementation callback
* @flush_tx_work: flush_tx_work() implementation callback
*
* The @statelock is used to protect information in the structure which may
@@ -423,8 +422,6 @@ struct ks8851_net {
struct sk_buff *txp, bool irq);
netdev_tx_t (*start_xmit)(struct sk_buff *skb,
struct net_device *dev);
- void (*rx_skb)(struct ks8851_net *ks,
- struct sk_buff *skb);
void (*flush_tx_work)(struct ks8851_net *ks);
};
diff --git a/drivers/net/ethernet/micrel/ks8851_common.c b/drivers/net/ethernet/micrel/ks8851_common.c
index 0bf13b38b8f5b..896d43bb8883d 100644
--- a/drivers/net/ethernet/micrel/ks8851_common.c
+++ b/drivers/net/ethernet/micrel/ks8851_common.c
@@ -231,16 +231,6 @@ static void ks8851_dbg_dumpkkt(struct ks8851_net *ks, u8 *rxpkt)
rxpkt[12], rxpkt[13], rxpkt[14], rxpkt[15]);
}
-/**
- * ks8851_rx_skb - receive skbuff
- * @ks: The device state.
- * @skb: The skbuff
- */
-static void ks8851_rx_skb(struct ks8851_net *ks, struct sk_buff *skb)
-{
- ks->rx_skb(ks, skb);
-}
-
/**
* ks8851_rx_pkts - receive packets from the host
* @ks: The device information.
@@ -309,7 +299,7 @@ static void ks8851_rx_pkts(struct ks8851_net *ks)
ks8851_dbg_dumpkkt(ks, rxpkt);
skb->protocol = eth_type_trans(skb, ks->netdev);
- ks8851_rx_skb(ks, skb);
+ netif_rx(skb);
ks->netdev->stats.rx_packets++;
ks->netdev->stats.rx_bytes += rxlen;
diff --git a/drivers/net/ethernet/micrel/ks8851_par.c b/drivers/net/ethernet/micrel/ks8851_par.c
index 2a7f298542670..381b9cd285ebd 100644
--- a/drivers/net/ethernet/micrel/ks8851_par.c
+++ b/drivers/net/ethernet/micrel/ks8851_par.c
@@ -210,16 +210,6 @@ static void ks8851_wrfifo_par(struct ks8851_net *ks, struct sk_buff *txp,
iowrite16_rep(ksp->hw_addr, txp->data, len / 2);
}
-/**
- * ks8851_rx_skb_par - receive skbuff
- * @ks: The device state.
- * @skb: The skbuff
- */
-static void ks8851_rx_skb_par(struct ks8851_net *ks, struct sk_buff *skb)
-{
- netif_rx(skb);
-}
-
static unsigned int ks8851_rdreg16_par_txqcr(struct ks8851_net *ks)
{
return ks8851_rdreg16_par(ks, KS_TXQCR);
@@ -298,7 +288,6 @@ static int ks8851_probe_par(struct platform_device *pdev)
ks->rdfifo = ks8851_rdfifo_par;
ks->wrfifo = ks8851_wrfifo_par;
ks->start_xmit = ks8851_start_xmit_par;
- ks->rx_skb = ks8851_rx_skb_par;
#define STD_IRQ (IRQ_LCI | /* Link Change */ \
IRQ_RXI | /* RX done */ \
diff --git a/drivers/net/ethernet/micrel/ks8851_spi.c b/drivers/net/ethernet/micrel/ks8851_spi.c
index 2f803377c9f9d..670c1de966db8 100644
--- a/drivers/net/ethernet/micrel/ks8851_spi.c
+++ b/drivers/net/ethernet/micrel/ks8851_spi.c
@@ -298,16 +298,6 @@ static unsigned int calc_txlen(unsigned int len)
return ALIGN(len + 4, 4);
}
-/**
- * ks8851_rx_skb_spi - receive skbuff
- * @ks: The device state
- * @skb: The skbuff
- */
-static void ks8851_rx_skb_spi(struct ks8851_net *ks, struct sk_buff *skb)
-{
- netif_rx(skb);
-}
-
/**
* ks8851_tx_work - process tx packet(s)
* @work: The work strucutre what was scheduled.
@@ -435,7 +425,6 @@ static int ks8851_probe_spi(struct spi_device *spi)
ks->rdfifo = ks8851_rdfifo_spi;
ks->wrfifo = ks8851_wrfifo_spi;
ks->start_xmit = ks8851_start_xmit_spi;
- ks->rx_skb = ks8851_rx_skb_spi;
ks->flush_tx_work = ks8851_flush_tx_work_spi;
#define STD_IRQ (IRQ_LCI | /* Link Change */ \
--
GitLab
From be0384bf599cf1eb8d337517feeb732d71f75a6f Mon Sep 17 00:00:00 2001
From: Marek Vasut <marex@denx.de>
Date: Fri, 5 Apr 2024 22:30:40 +0200
Subject: [PATCH 2290/2686] net: ks8851: Handle softirqs at the end of IRQ
thread to fix hang
The ks8851_irq() thread may call ks8851_rx_pkts() in case there are
any packets in the MAC FIFO, which calls netif_rx(). This netif_rx()
implementation is guarded by local_bh_disable() and local_bh_enable().
The local_bh_enable() may call do_softirq() to run softirqs in case
any are pending. One of the softirqs is net_rx_action, which ultimately
reaches the driver .start_xmit callback. If that happens, the system
hangs. The entire call chain is below:
ks8851_start_xmit_par from netdev_start_xmit
netdev_start_xmit from dev_hard_start_xmit
dev_hard_start_xmit from sch_direct_xmit
sch_direct_xmit from __dev_queue_xmit
__dev_queue_xmit from __neigh_update
__neigh_update from neigh_update
neigh_update from arp_process.constprop.0
arp_process.constprop.0 from __netif_receive_skb_one_core
__netif_receive_skb_one_core from process_backlog
process_backlog from __napi_poll.constprop.0
__napi_poll.constprop.0 from net_rx_action
net_rx_action from __do_softirq
__do_softirq from call_with_stack
call_with_stack from do_softirq
do_softirq from __local_bh_enable_ip
__local_bh_enable_ip from netif_rx
netif_rx from ks8851_irq
ks8851_irq from irq_thread_fn
irq_thread_fn from irq_thread
irq_thread from kthread
kthread from ret_from_fork
The hang happens because ks8851_irq() first locks a spinlock in
ks8851_par.c ks8851_lock_par() spin_lock_irqsave(&ksp->lock, ...)
and with that spinlock locked, calls netif_rx(). Once the execution
reaches ks8851_start_xmit_par(), it calls ks8851_lock_par() again
which attempts to claim the already locked spinlock again, and the
hang happens.
Move the do_softirq() call outside of the spinlock protected section
of ks8851_irq() by disabling BHs around the entire spinlock protected
section of ks8851_irq() handler. Place local_bh_enable() outside of
the spinlock protected section, so that it can trigger do_softirq()
without the ks8851_par.c ks8851_lock_par() spinlock being held, and
safely call ks8851_start_xmit_par() without attempting to lock the
already locked spinlock.
Since ks8851_irq() is protected by local_bh_disable()/local_bh_enable()
now, replace netif_rx() with __netif_rx() which is not duplicating the
local_bh_disable()/local_bh_enable() calls.
Fixes: 797047f875b5 ("net: ks8851: Implement Parallel bus operations")
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20240405203204.82062-2-marex@denx.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/micrel/ks8851_common.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/micrel/ks8851_common.c b/drivers/net/ethernet/micrel/ks8851_common.c
index 896d43bb8883d..d4cdf3d4f5525 100644
--- a/drivers/net/ethernet/micrel/ks8851_common.c
+++ b/drivers/net/ethernet/micrel/ks8851_common.c
@@ -299,7 +299,7 @@ static void ks8851_rx_pkts(struct ks8851_net *ks)
ks8851_dbg_dumpkkt(ks, rxpkt);
skb->protocol = eth_type_trans(skb, ks->netdev);
- netif_rx(skb);
+ __netif_rx(skb);
ks->netdev->stats.rx_packets++;
ks->netdev->stats.rx_bytes += rxlen;
@@ -330,6 +330,8 @@ static irqreturn_t ks8851_irq(int irq, void *_ks)
unsigned long flags;
unsigned int status;
+ local_bh_disable();
+
ks8851_lock(ks, &flags);
status = ks8851_rdreg16(ks, KS_ISR);
@@ -406,6 +408,8 @@ static irqreturn_t ks8851_irq(int irq, void *_ks)
if (status & IRQ_LCI)
mii_check_link(&ks->mii);
+ local_bh_enable();
+
return IRQ_HANDLED;
}
--
GitLab
From 9c432404b9555c9444cbf6c8feaf52c0d8cad486 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Mon, 8 Apr 2024 22:32:08 -0400
Subject: [PATCH 2291/2686] bcachefs: fix eytzinger0_find_gt()
- fix return types: promoting from unsigned to ssize_t does not do what
we want here, and was pointless since the rest of the eytzinger code
is u32
- nr, not size
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/eytzinger.h | 26 ++++++++++++++++++++------
1 file changed, 20 insertions(+), 6 deletions(-)
diff --git a/fs/bcachefs/eytzinger.h b/fs/bcachefs/eytzinger.h
index ee0e2df33322d..24840aee335c0 100644
--- a/fs/bcachefs/eytzinger.h
+++ b/fs/bcachefs/eytzinger.h
@@ -242,8 +242,8 @@ static inline unsigned inorder_to_eytzinger0(unsigned i, unsigned size)
(_i) = eytzinger0_next((_i), (_size)))
/* return greatest node <= @search, or -1 if not found */
-static inline ssize_t eytzinger0_find_le(void *base, size_t nr, size_t size,
- cmp_func_t cmp, const void *search)
+static inline int eytzinger0_find_le(void *base, size_t nr, size_t size,
+ cmp_func_t cmp, const void *search)
{
unsigned i, n = 0;
@@ -256,18 +256,32 @@ static inline ssize_t eytzinger0_find_le(void *base, size_t nr, size_t size,
} while (n < nr);
if (n & 1) {
- /* @i was greater than @search, return previous node: */
+ /*
+ * @i was greater than @search, return previous node:
+ *
+ * if @i was leftmost/smallest element,
+ * eytzinger0_prev(eytzinger0_first())) returns -1, as expected
+ */
return eytzinger0_prev(i, nr);
} else {
return i;
}
}
-static inline ssize_t eytzinger0_find_gt(void *base, size_t nr, size_t size,
- cmp_func_t cmp, const void *search)
+static inline int eytzinger0_find_gt(void *base, size_t nr, size_t size,
+ cmp_func_t cmp, const void *search)
{
ssize_t idx = eytzinger0_find_le(base, nr, size, cmp, search);
- return eytzinger0_next(idx, size);
+
+ /*
+ * if eytitzinger0_find_le() returned -1 - no element was <= search - we
+ * want to return the first element; next/prev identities mean this work
+ * as expected
+ *
+ * similarly if find_le() returns last element, we should return -1;
+ * identities mean this all works out:
+ */
+ return eytzinger0_next(idx, nr);
}
#define eytzinger0_find(base, nr, size, _cmp, search) \
--
GitLab
From b46f4eaa4f0ec38909fb0072eea3aeddb32f954e Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Fri, 5 Apr 2024 15:10:57 -0700
Subject: [PATCH 2292/2686] af_unix: Clear stale u->oob_skb.
syzkaller started to report deadlock of unix_gc_lock after commit
4090fa373f0e ("af_unix: Replace garbage collection algorithm."), but
it just uncovers the bug that has been there since commit 314001f0bf92
("af_unix: Add OOB support").
The repro basically does the following.
from socket import *
from array import array
c1, c2 = socketpair(AF_UNIX, SOCK_STREAM)
c1.sendmsg([b'a'], [(SOL_SOCKET, SCM_RIGHTS, array("i", [c2.fileno()]))], MSG_OOB)
c2.recv(1) # blocked as no normal data in recv queue
c2.close() # done async and unblock recv()
c1.close() # done async and trigger GC
A socket sends its file descriptor to itself as OOB data and tries to
receive normal data, but finally recv() fails due to async close().
The problem here is wrong handling of OOB skb in manage_oob(). When
recvmsg() is called without MSG_OOB, manage_oob() is called to check
if the peeked skb is OOB skb. In such a case, manage_oob() pops it
out of the receive queue but does not clear unix_sock(sk)->oob_skb.
This is wrong in terms of uAPI.
Let's say we send "hello" with MSG_OOB, and "world" without MSG_OOB.
The 'o' is handled as OOB data. When recv() is called twice without
MSG_OOB, the OOB data should be lost.
>>> from socket import *
>>> c1, c2 = socketpair(AF_UNIX, SOCK_STREAM, 0)
>>> c1.send(b'hello', MSG_OOB) # 'o' is OOB data
5
>>> c1.send(b'world')
5
>>> c2.recv(5) # OOB data is not received
b'hell'
>>> c2.recv(5) # OOB date is skipped
b'world'
>>> c2.recv(5, MSG_OOB) # This should return an error
b'o'
In the same situation, TCP actually returns -EINVAL for the last
recv().
Also, if we do not clear unix_sk(sk)->oob_skb, unix_poll() always set
EPOLLPRI even though the data has passed through by previous recv().
To avoid these issues, we must clear unix_sk(sk)->oob_skb when dequeuing
it from recv queue.
The reason why the old GC did not trigger the deadlock is because the
old GC relied on the receive queue to detect the loop.
When it is triggered, the socket with OOB data is marked as GC candidate
because file refcount == inflight count (1). However, after traversing
all inflight sockets, the socket still has a positive inflight count (1),
thus the socket is excluded from candidates. Then, the old GC lose the
chance to garbage-collect the socket.
With the old GC, the repro continues to create true garbage that will
never be freed nor detected by kmemleak as it's linked to the global
inflight list. That's why we couldn't even notice the issue.
Fixes: 314001f0bf92 ("af_unix: Add OOB support")
Reported-by: syzbot+7f7f201cc2668a8fd169@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=7f7f201cc2668a8fd169
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240405221057.2406-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/unix/af_unix.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 5b41e2321209a..d032eb5fa6df1 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2665,7 +2665,9 @@ static struct sk_buff *manage_oob(struct sk_buff *skb, struct sock *sk,
}
} else if (!(flags & MSG_PEEK)) {
skb_unlink(skb, &sk->sk_receive_queue);
- consume_skb(skb);
+ WRITE_ONCE(u->oob_skb, NULL);
+ if (!WARN_ON_ONCE(skb_unref(skb)))
+ kfree_skb(skb);
skb = skb_peek(&sk->sk_receive_queue);
}
}
--
GitLab
From 718c4fb221dbeff9072810841b949413c5ffc345 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@gmail.com>
Date: Mon, 8 Apr 2024 16:42:43 +1000
Subject: [PATCH 2293/2686] nouveau: fix devinit paths to only handle display
on GSP.
This reverts:
nouveau/gsp: don't check devinit disable on GSP.
and applies a further fix.
It turns out the open gpu driver, checks this register,
but only for display.
Match that behaviour and in the turing path only disable
the display block. (ampere already only does displays).
Fixes: 5d4e8ae6e57b ("nouveau/gsp: don't check devinit disable on GSP.")
Reviewed-by: Danilo Krummrich <dakr@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240408064243.2219527-1-airlied@gmail.com
---
drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c | 12 ++++++++----
drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c | 1 +
2 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c
index 7bcbc4895ec22..271bfa038f5bc 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c
@@ -25,6 +25,7 @@
#include <subdev/bios.h>
#include <subdev/bios/init.h>
+#include <subdev/gsp.h>
void
gm107_devinit_disable(struct nvkm_devinit *init)
@@ -33,10 +34,13 @@ gm107_devinit_disable(struct nvkm_devinit *init)
u32 r021c00 = nvkm_rd32(device, 0x021c00);
u32 r021c04 = nvkm_rd32(device, 0x021c04);
- if (r021c00 & 0x00000001)
- nvkm_subdev_disable(device, NVKM_ENGINE_CE, 0);
- if (r021c00 & 0x00000004)
- nvkm_subdev_disable(device, NVKM_ENGINE_CE, 2);
+ /* gsp only wants to enable/disable display */
+ if (!nvkm_gsp_rm(device->gsp)) {
+ if (r021c00 & 0x00000001)
+ nvkm_subdev_disable(device, NVKM_ENGINE_CE, 0);
+ if (r021c00 & 0x00000004)
+ nvkm_subdev_disable(device, NVKM_ENGINE_CE, 2);
+ }
if (r021c04 & 0x00000001)
nvkm_subdev_disable(device, NVKM_ENGINE_DISP, 0);
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c
index 11b4c9c274a1a..666eb93b1742c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/r535.c
@@ -41,6 +41,7 @@ r535_devinit_new(const struct nvkm_devinit_func *hw,
rm->dtor = r535_devinit_dtor;
rm->post = hw->post;
+ rm->disable = hw->disable;
ret = nv50_devinit_new_(rm, device, type, inst, pdevinit);
if (ret)
--
GitLab
From 4fe82aedeb8a8cb09bfa60f55ab57b5c10a74ac4 Mon Sep 17 00:00:00 2001
From: Pavel Begunkov <asml.silence@gmail.com>
Date: Mon, 8 Apr 2024 18:11:09 +0100
Subject: [PATCH 2294/2686] io_uring/net: restore msg_control on sendzc retry
cac9e4418f4cb ("io_uring/net: save msghdr->msg_control for retries")
reinstatiates msg_control before every __sys_sendmsg_sock(), since the
function can overwrite the value in msghdr. We need to do same for
zerocopy sendmsg.
Cc: stable@vger.kernel.org
Fixes: 493108d95f146 ("io_uring/net: zerocopy sendmsg")
Link: https://github.com/axboe/liburing/issues/1067
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/cc1d5d9df0576fa66ddad4420d240a98a020b267.1712596179.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
io_uring/net.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/io_uring/net.c b/io_uring/net.c
index 1e7665ff6ef70..4afb475d41974 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -1276,6 +1276,7 @@ int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags)
if (req_has_async_data(req)) {
kmsg = req->async_data;
+ kmsg->msg.msg_control_user = sr->msg_control;
} else {
ret = io_sendmsg_copy_hdr(req, &iomsg);
if (ret)
--
GitLab
From 359571c327a726d622786aef3833637dacfd5d38 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 9 Apr 2024 00:02:47 -0400
Subject: [PATCH 2295/2686] bcachefs: Fix check_topology() when using node scan
shoot down journal keys _before_ populating journal keys with pointers
to scanned nodes
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_gc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/bcachefs/btree_gc.c b/fs/bcachefs/btree_gc.c
index 6280da1244b55..a1c2c0ffb0cc6 100644
--- a/fs/bcachefs/btree_gc.c
+++ b/fs/bcachefs/btree_gc.c
@@ -544,12 +544,12 @@ int bch2_check_topology(struct bch_fs *c)
bch2_btree_root_alloc_fake(c, i, 0);
} else {
bch2_btree_root_alloc_fake(c, i, 1);
+ bch2_shoot_down_journal_keys(c, i, 1, BTREE_MAX_DEPTH, POS_MIN, SPOS_MAX);
ret = bch2_get_scanned_nodes(c, i, 0, POS_MIN, SPOS_MAX);
if (ret)
break;
}
- bch2_shoot_down_journal_keys(c, i, 1, BTREE_MAX_DEPTH, POS_MIN, SPOS_MAX);
reconstructed_root = true;
}
--
GitLab
From 5ab4beb759c05c74fb385ac5ca0ade5d3db67975 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 9 Apr 2024 00:49:39 -0400
Subject: [PATCH 2296/2686] bcachefs: Don't scan for btree nodes when we can
reconstruct
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/bcachefs_format.h | 14 ++++++++++++++
fs/bcachefs/btree_gc.c | 11 ++++++++---
fs/bcachefs/btree_node_scan.c | 8 +++++++-
fs/bcachefs/recovery.c | 14 --------------
4 files changed, 29 insertions(+), 18 deletions(-)
diff --git a/fs/bcachefs/bcachefs_format.h b/fs/bcachefs/bcachefs_format.h
index 63102992d9556..364ae42022af1 100644
--- a/fs/bcachefs/bcachefs_format.h
+++ b/fs/bcachefs/bcachefs_format.h
@@ -1535,6 +1535,20 @@ enum btree_id {
BTREE_ID_NR
};
+static inline bool btree_id_is_alloc(enum btree_id id)
+{
+ switch (id) {
+ case BTREE_ID_alloc:
+ case BTREE_ID_backpointers:
+ case BTREE_ID_need_discard:
+ case BTREE_ID_freespace:
+ case BTREE_ID_bucket_gens:
+ return true;
+ default:
+ return false;
+ }
+}
+
#define BTREE_MAX_DEPTH 4U
/* Btree nodes */
diff --git a/fs/bcachefs/btree_gc.c b/fs/bcachefs/btree_gc.c
index a1c2c0ffb0cc6..d2555da55c6da 100644
--- a/fs/bcachefs/btree_gc.c
+++ b/fs/bcachefs/btree_gc.c
@@ -368,11 +368,16 @@ static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct
buf.buf)) {
bch2_btree_node_evict(trans, cur_k.k);
cur = NULL;
- ret = bch2_run_explicit_recovery_pass(c, BCH_RECOVERY_PASS_scan_for_btree_nodes) ?:
- bch2_journal_key_delete(c, b->c.btree_id,
- b->c.level, cur_k.k->k.p);
+ ret = bch2_journal_key_delete(c, b->c.btree_id,
+ b->c.level, cur_k.k->k.p);
if (ret)
break;
+
+ if (!btree_id_is_alloc(b->c.btree_id)) {
+ ret = bch2_run_explicit_recovery_pass(c, BCH_RECOVERY_PASS_scan_for_btree_nodes);
+ if (ret)
+ break;
+ }
continue;
}
diff --git a/fs/bcachefs/btree_node_scan.c b/fs/bcachefs/btree_node_scan.c
index 3f33be7e5e5c2..a7d0593b38714 100644
--- a/fs/bcachefs/btree_node_scan.c
+++ b/fs/bcachefs/btree_node_scan.c
@@ -133,6 +133,9 @@ static void try_read_btree_node(struct find_btree_nodes *f, struct bch_dev *ca,
if (le64_to_cpu(bn->magic) != bset_magic(c))
return;
+ if (btree_id_is_alloc(BTREE_NODE_ID(bn)))
+ return;
+
rcu_read_lock();
struct found_btree_node n = {
.btree_id = BTREE_NODE_ID(bn),
@@ -290,7 +293,7 @@ static int handle_overwrites(struct bch_fs *c,
found_btree_node_to_text(&buf, c, n);
bch_err(c, "%s", buf.buf);
printbuf_exit(&buf);
- return -1;
+ return -BCH_ERR_fsck_repair_unimplemented;
}
}
@@ -436,6 +439,9 @@ bool bch2_btree_has_scanned_nodes(struct bch_fs *c, enum btree_id btree)
int bch2_get_scanned_nodes(struct bch_fs *c, enum btree_id btree,
unsigned level, struct bpos node_min, struct bpos node_max)
{
+ if (btree_id_is_alloc(btree))
+ return 0;
+
struct find_btree_nodes *f = &c->found_btree_nodes;
int ret = bch2_run_explicit_recovery_pass(c, BCH_RECOVERY_PASS_scan_for_btree_nodes);
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index b76c16152579c..0f328aba9760b 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -47,20 +47,6 @@ void bch2_btree_lost_data(struct bch_fs *c, enum btree_id btree)
}
}
-static bool btree_id_is_alloc(enum btree_id id)
-{
- switch (id) {
- case BTREE_ID_alloc:
- case BTREE_ID_backpointers:
- case BTREE_ID_need_discard:
- case BTREE_ID_freespace:
- case BTREE_ID_bucket_gens:
- return true;
- default:
- return false;
- }
-}
-
/* for -o reconstruct_alloc: */
static void bch2_reconstruct_alloc(struct bch_fs *c)
{
--
GitLab
From 80e9963fb3b5509dfcabe9652d56bf4b35542055 Mon Sep 17 00:00:00 2001
From: Nianyao Tang <tangnianyao@huawei.com>
Date: Sat, 6 Apr 2024 02:27:37 +0000
Subject: [PATCH 2297/2686] irqchip/gic-v3-its: Fix VSYNC referencing an
unmapped VPE on GIC v4.1
As per the GICv4.1 spec (Arm IHI 0069H, 5.3.19):
"A VMAPP with {V, Alloc}=={0, x} is self-synchronizing, This means the ITS
command queue does not show the command as consumed until all of its
effects are completed."
Furthermore, VSYNC is allowed to deliver an SError when referencing a
non existent VPE.
By these definitions, a VMAPP followed by a VSYNC is a bug, as the
later references a VPE that has been unmapped by the former.
Fix it by eliding the VSYNC in this scenario.
Fixes: 64edfaa9a234 ("irqchip/gic-v4.1: Implement the v4.1 flavour of VMAPP")
Signed-off-by: Nianyao Tang <tangnianyao@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20240406022737.3898763-1-tangnianyao@huawei.com
---
drivers/irqchip/irq-gic-v3-its.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index fca888b36680d..2a537cbfcb077 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -786,6 +786,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
struct its_cmd_block *cmd,
struct its_cmd_desc *desc)
{
+ struct its_vpe *vpe = valid_vpe(its, desc->its_vmapp_cmd.vpe);
unsigned long vpt_addr, vconf_addr;
u64 target;
bool alloc;
@@ -798,6 +799,11 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
if (is_v4_1(its)) {
alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count);
its_encode_alloc(cmd, alloc);
+ /*
+ * Unmapping a VPE is self-synchronizing on GICv4.1,
+ * no need to issue a VSYNC.
+ */
+ vpe = NULL;
}
goto out;
@@ -832,7 +838,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
out:
its_fixup_cmd(cmd);
- return valid_vpe(its, desc->its_vmapp_cmd.vpe);
+ return vpe;
}
static struct its_vpe *its_build_vmapti_cmd(struct its_node *its,
--
GitLab
From faf23006185e777db18912685922c5ddb2df383f Mon Sep 17 00:00:00 2001
From: Geetha sowjanya <gakula@marvell.com>
Date: Mon, 8 Apr 2024 12:06:43 +0530
Subject: [PATCH 2298/2686] octeontx2-af: Fix NIX SQ mode and BP config
NIX SQ mode and link backpressure configuration is required for
all platforms. But in current driver this code is wrongly placed
under specific platform check. This patch fixes the issue by
moving the code out of platform check.
Fixes: 5d9b976d4480 ("octeontx2-af: Support fixed transmit scheduler topology")
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Link: https://lore.kernel.org/r/20240408063643.26288-1-gakula@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
.../ethernet/marvell/octeontx2/af/rvu_nix.c | 20 +++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index d39001cdc707e..00af8888e3291 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -4819,18 +4819,18 @@ static int rvu_nix_block_init(struct rvu *rvu, struct nix_hw *nix_hw)
*/
rvu_write64(rvu, blkaddr, NIX_AF_CFG,
rvu_read64(rvu, blkaddr, NIX_AF_CFG) | 0x40ULL);
+ }
- /* Set chan/link to backpressure TL3 instead of TL2 */
- rvu_write64(rvu, blkaddr, NIX_AF_PSE_CHANNEL_LEVEL, 0x01);
+ /* Set chan/link to backpressure TL3 instead of TL2 */
+ rvu_write64(rvu, blkaddr, NIX_AF_PSE_CHANNEL_LEVEL, 0x01);
- /* Disable SQ manager's sticky mode operation (set TM6 = 0)
- * This sticky mode is known to cause SQ stalls when multiple
- * SQs are mapped to same SMQ and transmitting pkts at a time.
- */
- cfg = rvu_read64(rvu, blkaddr, NIX_AF_SQM_DBG_CTL_STATUS);
- cfg &= ~BIT_ULL(15);
- rvu_write64(rvu, blkaddr, NIX_AF_SQM_DBG_CTL_STATUS, cfg);
- }
+ /* Disable SQ manager's sticky mode operation (set TM6 = 0)
+ * This sticky mode is known to cause SQ stalls when multiple
+ * SQs are mapped to same SMQ and transmitting pkts at a time.
+ */
+ cfg = rvu_read64(rvu, blkaddr, NIX_AF_SQM_DBG_CTL_STATUS);
+ cfg &= ~BIT_ULL(15);
+ rvu_write64(rvu, blkaddr, NIX_AF_SQM_DBG_CTL_STATUS, cfg);
ltdefs = rvu->kpu.lt_def;
/* Calibrate X2P bus to check if CGX/LBK links are fine */
--
GitLab
From 74043489fcb5e5ca4074133582b5b8011b67f9e7 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Mon, 8 Apr 2024 09:42:02 +0200
Subject: [PATCH 2299/2686] ipv6: fib: hide unused 'pn' variable
When CONFIG_IPV6_SUBTREES is disabled, the only user is hidden, causing
a 'make W=1' warning:
net/ipv6/ip6_fib.c: In function 'fib6_add':
net/ipv6/ip6_fib.c:1388:32: error: variable 'pn' set but not used [-Werror=unused-but-set-variable]
Add another #ifdef around the variable declaration, matching the other
uses in this file.
Fixes: 66729e18df08 ("[IPV6] ROUTE: Make sure we have fn->leaf when adding a node on subtree.")
Link: https://lore.kernel.org/netdev/20240322131746.904943-1-arnd@kernel.org/
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240408074219.3030256-1-arnd@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
net/ipv6/ip6_fib.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 7209419cfb0e9..c1f62352a4814 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1385,7 +1385,10 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt,
struct nl_info *info, struct netlink_ext_ack *extack)
{
struct fib6_table *table = rt->fib6_table;
- struct fib6_node *fn, *pn = NULL;
+ struct fib6_node *fn;
+#ifdef CONFIG_IPV6_SUBTREES
+ struct fib6_node *pn = NULL;
+#endif
int err = -ENOMEM;
int allow_create = 1;
int replace_required = 0;
@@ -1409,9 +1412,9 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt,
goto out;
}
+#ifdef CONFIG_IPV6_SUBTREES
pn = fn;
-#ifdef CONFIG_IPV6_SUBTREES
if (rt->fib6_src.plen) {
struct fib6_node *sn;
--
GitLab
From cf1b7201df59fb936f40f4a807433fe3f2ce310a Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Mon, 8 Apr 2024 09:42:03 +0200
Subject: [PATCH 2300/2686] ipv4/route: avoid unused-but-set-variable warning
The log_martians variable is only used in an #ifdef, causing a 'make W=1'
warning with gcc:
net/ipv4/route.c: In function 'ip_rt_send_redirect':
net/ipv4/route.c:880:13: error: variable 'log_martians' set but not used [-Werror=unused-but-set-variable]
Change the #ifdef to an equivalent IS_ENABLED() to let the compiler
see where the variable is used.
Fixes: 30038fc61adf ("net: ip_rt_send_redirect() optimization")
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240408074219.3030256-2-arnd@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
net/ipv4/route.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index c8f76f56dc165..d36ace160d426 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -926,13 +926,11 @@ void ip_rt_send_redirect(struct sk_buff *skb)
icmp_send(skb, ICMP_REDIRECT, ICMP_REDIR_HOST, gw);
peer->rate_last = jiffies;
++peer->n_redirects;
-#ifdef CONFIG_IP_ROUTE_VERBOSE
- if (log_martians &&
+ if (IS_ENABLED(CONFIG_IP_ROUTE_VERBOSE) && log_martians &&
peer->n_redirects == ip_rt_redirect_number)
net_warn_ratelimited("host %pI4/if%d ignores redirects for %pI4 to %pI4\n",
&ip_hdr(skb)->saddr, inet_iif(skb),
&ip_hdr(skb)->daddr, &gw);
-#endif
}
out_put_peer:
inet_putpeer(peer);
--
GitLab
From 638441bed666619b4275f68bbca9d1cd731a2063 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@linaro.org>
Date: Sat, 16 Mar 2024 12:30:09 +0300
Subject: [PATCH 2301/2686] serial: 8250_lpc18xx: disable clks on error in
probe()
Goto the clean up path to clean up a couple clocks before returning
on this error path.
Fixes: 0087b9e694ee ("serial: 8250_lpc18xx: Switch to use uart_read_port_properties()")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/92646c10-e0b5-4117-a9ac-ce9987d33ce3@moroto.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_lpc18xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/8250/8250_lpc18xx.c b/drivers/tty/serial/8250/8250_lpc18xx.c
index 7984ee05af1da..47e1a056a60c3 100644
--- a/drivers/tty/serial/8250/8250_lpc18xx.c
+++ b/drivers/tty/serial/8250/8250_lpc18xx.c
@@ -151,7 +151,7 @@ static int lpc18xx_serial_probe(struct platform_device *pdev)
ret = uart_read_port_properties(&uart.port);
if (ret)
- return ret;
+ goto dis_uart_clk;
uart.port.iotype = UPIO_MEM32;
uart.port.regshift = 2;
--
GitLab
From 7dfae6cbadc1ac99e38ad19fb08810b31ff167be Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Sun, 17 Mar 2024 22:41:23 +0100
Subject: [PATCH 2302/2686] serial: 8250_dw: Revert: Do not reclock if already
at correct rate
Commit e5d6bd25f93d ("serial: 8250_dw: Do not reclock if already at
correct rate") breaks the dw UARTs on Intel Bay Trail (BYT) and
Cherry Trail (CHT) SoCs.
Before this change the RTL8732BS Bluetooth HCI which is found
connected over the dw UART on both BYT and CHT boards works properly:
Bluetooth: hci0: RTL: examining hci_ver=06 hci_rev=000b lmp_ver=06 lmp_subver=8723
Bluetooth: hci0: RTL: rom_version status=0 version=1
Bluetooth: hci0: RTL: loading rtl_bt/rtl8723bs_fw.bin
Bluetooth: hci0: RTL: loading rtl_bt/rtl8723bs_config-OBDA8723.bin
Bluetooth: hci0: RTL: cfg_sz 64, total sz 24508
Bluetooth: hci0: RTL: fw version 0x365d462e
where as after this change probing it fails:
Bluetooth: hci0: RTL: examining hci_ver=06 hci_rev=000b lmp_ver=06 lmp_subver=8723
Bluetooth: hci0: RTL: rom_version status=0 version=1
Bluetooth: hci0: RTL: loading rtl_bt/rtl8723bs_fw.bin
Bluetooth: hci0: RTL: loading rtl_bt/rtl8723bs_config-OBDA8723.bin
Bluetooth: hci0: RTL: cfg_sz 64, total sz 24508
Bluetooth: hci0: command 0xfc20 tx timeout
Bluetooth: hci0: RTL: download fw command failed (-110)
Revert the changes to fix this regression.
Fixes: e5d6bd25f93d ("serial: 8250_dw: Do not reclock if already at correct rate")
Cc: stable@vger.kernel.org
Cc: Peter Collingbourne <pcc@google.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Peter Collingbourne <pcc@google.com>
Link: https://lore.kernel.org/r/20240317214123.34482-1-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_dw.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index a3acbf0f5da1b..1300c92b8702a 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -356,9 +356,9 @@ static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios,
long rate;
int ret;
+ clk_disable_unprepare(d->clk);
rate = clk_round_rate(d->clk, newrate);
- if (rate > 0 && p->uartclk != rate) {
- clk_disable_unprepare(d->clk);
+ if (rate > 0) {
/*
* Note that any clock-notifer worker will block in
* serial8250_update_uartclk() until we are done.
@@ -366,8 +366,8 @@ static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios,
ret = clk_set_rate(d->clk, newrate);
if (!ret)
p->uartclk = rate;
- clk_prepare_enable(d->clk);
}
+ clk_prepare_enable(d->clk);
dw8250_do_set_termios(p, termios, old);
}
--
GitLab
From 54c4ec5f8c471b7c1137a1f769648549c423c026 Mon Sep 17 00:00:00 2001
From: Emil Kronborg <emil.kronborg@protonmail.com>
Date: Wed, 20 Mar 2024 12:15:36 +0000
Subject: [PATCH 2303/2686] serial: mxs-auart: add spinlock around changing cts
state
The uart_handle_cts_change() function in serial_core expects the caller
to hold uport->lock. For example, I have seen the below kernel splat,
when the Bluetooth driver is loaded on an i.MX28 board.
[ 85.119255] ------------[ cut here ]------------
[ 85.124413] WARNING: CPU: 0 PID: 27 at /drivers/tty/serial/serial_core.c:3453 uart_handle_cts_change+0xb4/0xec
[ 85.134694] Modules linked in: hci_uart bluetooth ecdh_generic ecc wlcore_sdio configfs
[ 85.143314] CPU: 0 PID: 27 Comm: kworker/u3:0 Not tainted 6.6.3-00021-gd62a2f068f92 #1
[ 85.151396] Hardware name: Freescale MXS (Device Tree)
[ 85.156679] Workqueue: hci0 hci_power_on [bluetooth]
(...)
[ 85.191765] uart_handle_cts_change from mxs_auart_irq_handle+0x380/0x3f4
[ 85.198787] mxs_auart_irq_handle from __handle_irq_event_percpu+0x88/0x210
(...)
Cc: stable@vger.kernel.org
Fixes: 4d90bb147ef6 ("serial: core: Document and assert lock requirements for irq helpers")
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Emil Kronborg <emil.kronborg@protonmail.com>
Link: https://lore.kernel.org/r/20240320121530.11348-1-emil.kronborg@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/mxs-auart.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 4749331fe618c..1e8853eae5042 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -1086,11 +1086,13 @@ static void mxs_auart_set_ldisc(struct uart_port *port,
static irqreturn_t mxs_auart_irq_handle(int irq, void *context)
{
- u32 istat;
+ u32 istat, stat;
struct mxs_auart_port *s = context;
u32 mctrl_temp = s->mctrl_prev;
- u32 stat = mxs_read(s, REG_STAT);
+ uart_port_lock(&s->port);
+
+ stat = mxs_read(s, REG_STAT);
istat = mxs_read(s, REG_INTR);
/* ack irq */
@@ -1126,6 +1128,8 @@ static irqreturn_t mxs_auart_irq_handle(int irq, void *context)
istat &= ~AUART_INTR_TXIS;
}
+ uart_port_unlock(&s->port);
+
return IRQ_HANDLED;
}
--
GitLab
From 5555980571cc744cd99b6455e3e388b54519db8f Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Mon, 25 Mar 2024 09:16:47 +0200
Subject: [PATCH 2304/2686] serial: core: Fix regression when runtime PM is not
enabled
Commit 45a3a8ef8129 ("serial: core: Revert checks for tx runtime PM state")
caused a regression for Sun Ultra 60 for the sunsab driver as reported by
Nick Bowler <nbowler@draconx.ca>.
We need to add back the check runtime PM enabled state for serial port
controller device, I wrongly assumed earlier we could just remove it.
Fixes: 45a3a8ef8129 ("serial: core: Revert checks for tx runtime PM state")
Cc: stable <stable@kernel.org>
Reported-by: Nick Bowler <nbowler@draconx.ca>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20240325071649.27040-1-tony@atomide.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/serial_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index ff85ebd3a007d..25a83820927a5 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -156,7 +156,7 @@ static void __uart_start(struct uart_state *state)
* enabled, serial_port_runtime_resume() calls start_tx() again
* after enabling the device.
*/
- if (pm_runtime_active(&port_dev->dev))
+ if (!pm_runtime_enabled(port->dev) || pm_runtime_active(&port_dev->dev))
port->ops->start_tx(port);
pm_runtime_mark_last_busy(&port_dev->dev);
pm_runtime_put_autosuspend(&port_dev->dev);
--
GitLab
From 90452456eb69297fe7ae34e56e40d8e47dc9e019 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andy.shevchenko@gmail.com>
Date: Thu, 4 Apr 2024 01:41:52 +0300
Subject: [PATCH 2305/2686] serial: 8250_pci: Remove redundant PCI IDs
Driver complains that PCI IDs are not needed for some of the LAVA cards:
[ 0.297252] serial 0000:04:00.0: Redundant entry in serial pci_table.
[ 0.297252] Please send the output of lspci -vv, this
[ 0.297252] message (0x1407,0x0120,0x0000,0x0000), the
[ 0.297252] manufacturer and name of serial board or
[ 0.297252] modem board to <linux-serial@vger.kernel.org>.
Do as suggested.
Reported-by: Jimmy A <jimand04@hotmail.com>
Closes: https://lore.kernel.org/r/VI1P194MB052751BE157EFE9CEAB75725CE362@VI1P194MB0527.EURP194.PROD.OUTLOOK.COM
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240403224152.945099-1-andy.shevchenko@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/8250/8250_pci.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 0d35c77fad9eb..e2e4f99f9d347 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -5010,12 +5010,6 @@ static const struct pci_device_id serial_pci_tbl[] = {
{ PCI_VENDOR_ID_LAVA, PCI_DEVICE_ID_LAVA_QUATRO_B,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_b0_bt_2_115200 },
- { PCI_VENDOR_ID_LAVA, PCI_DEVICE_ID_LAVA_QUATTRO_A,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_b0_bt_2_115200 },
- { PCI_VENDOR_ID_LAVA, PCI_DEVICE_ID_LAVA_QUATTRO_B,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_b0_bt_2_115200 },
{ PCI_VENDOR_ID_LAVA, PCI_DEVICE_ID_LAVA_OCTO_A,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_b0_bt_4_460800 },
--
GitLab
From 1be3226445362bfbf461c92a5bcdb1723f2e4907 Mon Sep 17 00:00:00 2001
From: Finn Thain <fthain@linux-m68k.org>
Date: Mon, 8 Apr 2024 19:23:43 +1000
Subject: [PATCH 2306/2686] serial/pmac_zilog: Remove flawed mitigation for rx
irq flood
The mitigation was intended to stop the irq completely. That may be
better than a hard lock-up but it turns out that you get a crash anyway
if you're using pmac_zilog as a serial console:
ttyPZ0: pmz: rx irq flood !
BUG: spinlock recursion on CPU#0, swapper/0
That's because the pr_err() call in pmz_receive_chars() results in
pmz_console_write() attempting to lock a spinlock already locked in
pmz_interrupt(). With CONFIG_DEBUG_SPINLOCK=y, this produces a fatal
BUG splat. The spinlock in question is the one in struct uart_port.
Even when it's not fatal, the serial port rx function ceases to work.
Also, the iteration limit doesn't play nicely with QEMU, as can be
seen in the bug report linked below.
A web search for other reports of the error message "pmz: rx irq flood"
didn't produce anything. So I don't think this code is needed any more.
Remove it.
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Aneesh Kumar K.V <aneesh.kumar@kernel.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.ibm.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: stable@kernel.org
Cc: linux-m68k@lists.linux-m68k.org
Link: https://github.com/vivier/qemu-m68k/issues/44
Link: https://lore.kernel.org/all/1078874617.9746.36.camel@gaston/
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable <stable@kernel.org>
Signed-off-by: Finn Thain <fthain@linux-m68k.org>
Link: https://lore.kernel.org/r/e853cf2c762f23101cd2ddec0cc0c2be0e72685f.1712568223.git.fthain@linux-m68k.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/pmac_zilog.c | 14 --------------
1 file changed, 14 deletions(-)
diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index 05d97e89511e6..92195f984de1b 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -210,7 +210,6 @@ static bool pmz_receive_chars(struct uart_pmac_port *uap)
{
struct tty_port *port;
unsigned char ch, r1, drop, flag;
- int loops = 0;
/* Sanity check, make sure the old bug is no longer happening */
if (uap->port.state == NULL) {
@@ -291,24 +290,11 @@ static bool pmz_receive_chars(struct uart_pmac_port *uap)
if (r1 & Rx_OVR)
tty_insert_flip_char(port, 0, TTY_OVERRUN);
next_char:
- /* We can get stuck in an infinite loop getting char 0 when the
- * line is in a wrong HW state, we break that here.
- * When that happens, I disable the receive side of the driver.
- * Note that what I've been experiencing is a real irq loop where
- * I'm getting flooded regardless of the actual port speed.
- * Something strange is going on with the HW
- */
- if ((++loops) > 1000)
- goto flood;
ch = read_zsreg(uap, R0);
if (!(ch & Rx_CH_AV))
break;
}
- return true;
- flood:
- pmz_interrupt_control(uap, 0);
- pmz_error("pmz: rx irq flood !\n");
return true;
}
--
GitLab
From d325a858a53b5816a60447887f7148eace999e00 Mon Sep 17 00:00:00 2001
From: Richard Genoud <richard.genoud@bootlin.com>
Date: Mon, 8 Apr 2024 12:13:29 +0200
Subject: [PATCH 2307/2686] MAINTAINERS: mailmap: update Richard Genoud's email
address
I'm working now at bootlin, so I'll use my bootlin address for kernel
development from now on.
Update also the yaml file for atmel-serial accordingly.
Signed-off-by: Richard Genoud <richard.genoud@bootlin.com>
Reviewed-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20240408101329.9448-1-richard.genoud@bootlin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.mailmap | 1 +
Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml | 2 +-
MAINTAINERS | 2 +-
3 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/.mailmap b/.mailmap
index 8284692f96107..71e28f4e0d4a0 100644
--- a/.mailmap
+++ b/.mailmap
@@ -524,6 +524,7 @@ Rémi Denis-Courmont <rdenis@simphalempin.com>
Ricardo Ribalda <ribalda@kernel.org> <ricardo@ribalda.com>
Ricardo Ribalda <ribalda@kernel.org> Ricardo Ribalda Delgado <ribalda@kernel.org>
Ricardo Ribalda <ribalda@kernel.org> <ricardo.ribalda@gmail.com>
+Richard Genoud <richard.genoud@bootlin.com> <richard.genoud@gmail.com>
Richard Leitner <richard.leitner@linux.dev> <dev@g0hl1n.net>
Richard Leitner <richard.leitner@linux.dev> <me@g0hl1n.net>
Richard Leitner <richard.leitner@linux.dev> <richard.leitner@skidata.com>
diff --git a/Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml b/Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml
index 65cb2e5c5eee0..eb2992a447d79 100644
--- a/Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml
+++ b/Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml
@@ -8,7 +8,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: Atmel Universal Synchronous Asynchronous Receiver/Transmitter (USART)
maintainers:
- - Richard Genoud <richard.genoud@gmail.com>
+ - Richard Genoud <richard.genoud@bootlin.com>
properties:
compatible:
diff --git a/MAINTAINERS b/MAINTAINERS
index aea47e04c3a52..0dbdc81e46c60 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14363,7 +14363,7 @@ F: drivers/dma/at_xdmac.c
F: include/dt-bindings/dma/at91.h
MICROCHIP AT91 SERIAL DRIVER
-M: Richard Genoud <richard.genoud@gmail.com>
+M: Richard Genoud <richard.genoud@bootlin.com>
S: Maintained
F: Documentation/devicetree/bindings/serial/atmel,at91-usart.yaml
F: drivers/tty/serial/atmel_serial.c
--
GitLab
From fbbdc255fbee59b4207a5398fdb4f04590681a79 Mon Sep 17 00:00:00 2001
From: Zhenhua Huang <quic_zhenhuah@quicinc.com>
Date: Mon, 8 Apr 2024 21:43:57 -0700
Subject: [PATCH 2308/2686] fs/proc: remove redundant comments from
/proc/bootconfig
commit 717c7c894d4b ("fs/proc: Add boot loader arguments as comment to
/proc/bootconfig") adds bootloader argument comments into /proc/bootconfig.
/proc/bootconfig shows boot_command_line[] multiple times following
every xbc key value pair, that's duplicated and not necessary.
Remove redundant ones.
Output before and after the fix is like:
key1 = value1
*bootloader argument comments*
key2 = value2
*bootloader argument comments*
key3 = value3
*bootloader argument comments*
...
key1 = value1
key2 = value2
key3 = value3
*bootloader argument comments*
...
Link: https://lore.kernel.org/all/20240409044358.1156477-1-paulmck@kernel.org/
Fixes: 717c7c894d4b ("fs/proc: Add boot loader arguments as comment to /proc/bootconfig")
Signed-off-by: Zhenhua Huang <quic_zhenhuah@quicinc.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: <linux-trace-kernel@vger.kernel.org>
Cc: <linux-fsdevel@vger.kernel.org>
Cc: stable@vger.kernel.org
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---
fs/proc/bootconfig.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/fs/proc/bootconfig.c b/fs/proc/bootconfig.c
index 902b326e1e560..e5635a6b127b0 100644
--- a/fs/proc/bootconfig.c
+++ b/fs/proc/bootconfig.c
@@ -62,12 +62,12 @@ static int __init copy_xbc_key_value_list(char *dst, size_t size)
break;
dst += ret;
}
- if (ret >= 0 && boot_command_line[0]) {
- ret = snprintf(dst, rest(dst, end), "# Parameters from bootloader:\n# %s\n",
- boot_command_line);
- if (ret > 0)
- dst += ret;
- }
+ }
+ if (ret >= 0 && boot_command_line[0]) {
+ ret = snprintf(dst, rest(dst, end), "# Parameters from bootloader:\n# %s\n",
+ boot_command_line);
+ if (ret > 0)
+ dst += ret;
}
out:
kfree(key);
--
GitLab
From c722cea208789d9e2660992bcd05fb9fac3adb56 Mon Sep 17 00:00:00 2001
From: Masami Hiramatsu <mhiramat@kernel.org>
Date: Mon, 8 Apr 2024 21:43:58 -0700
Subject: [PATCH 2309/2686] fs/proc: Skip bootloader comment if no embedded
kernel parameters
If the "bootconfig" kernel command-line argument was specified or if
the kernel was built with CONFIG_BOOT_CONFIG_FORCE, but if there are
no embedded kernel parameter, omit the "# Parameters from bootloader:"
comment from the /proc/bootconfig file. This will cause automation
to fall back to the /proc/cmdline file, which will be identical to the
comment in this no-embedded-kernel-parameters case.
Link: https://lore.kernel.org/all/20240409044358.1156477-2-paulmck@kernel.org/
Fixes: 8b8ce6c75430 ("fs/proc: remove redundant comments from /proc/bootconfig")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: stable@vger.kernel.org
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---
fs/proc/bootconfig.c | 2 +-
include/linux/bootconfig.h | 1 +
init/main.c | 5 +++++
3 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/fs/proc/bootconfig.c b/fs/proc/bootconfig.c
index e5635a6b127b0..87dcaae32ff87 100644
--- a/fs/proc/bootconfig.c
+++ b/fs/proc/bootconfig.c
@@ -63,7 +63,7 @@ static int __init copy_xbc_key_value_list(char *dst, size_t size)
dst += ret;
}
}
- if (ret >= 0 && boot_command_line[0]) {
+ if (cmdline_has_extra_options() && ret >= 0 && boot_command_line[0]) {
ret = snprintf(dst, rest(dst, end), "# Parameters from bootloader:\n# %s\n",
boot_command_line);
if (ret > 0)
diff --git a/include/linux/bootconfig.h b/include/linux/bootconfig.h
index ca73940e26df8..e5ee2c694401e 100644
--- a/include/linux/bootconfig.h
+++ b/include/linux/bootconfig.h
@@ -10,6 +10,7 @@
#ifdef __KERNEL__
#include <linux/kernel.h>
#include <linux/types.h>
+bool __init cmdline_has_extra_options(void);
#else /* !__KERNEL__ */
/*
* NOTE: This is only for tools/bootconfig, because tools/bootconfig will
diff --git a/init/main.c b/init/main.c
index 2ca52474d0c30..881f6230ee59e 100644
--- a/init/main.c
+++ b/init/main.c
@@ -487,6 +487,11 @@ static int __init warn_bootconfig(char *str)
early_param("bootconfig", warn_bootconfig);
+bool __init cmdline_has_extra_options(void)
+{
+ return extra_command_line || extra_init_args;
+}
+
/* Change NUL term back to "=", to make "param" the whole string. */
static void __init repair_env_string(char *param, char *val)
{
--
GitLab
From 4370b673ccf240bf7587b0cb8e6726a5ccaf1f17 Mon Sep 17 00:00:00 2001
From: Jiaxun Yang <jiaxun.yang@flygoat.com>
Date: Thu, 28 Mar 2024 14:27:56 +0000
Subject: [PATCH 2310/2686] MIPS: scall: Save thread_info.syscall
unconditionally on entry
thread_info.syscall is used by syscall_get_nr to supply syscall nr
over a thread stack frame.
Previously, thread_info.syscall is only saved at syscall_trace_enter
when syscall tracing is enabled. However rest of the kernel code do
expect syscall_get_nr to be available without syscall tracing. The
previous design breaks collect_syscall.
Move saving process to syscall entry to fix it.
Reported-by: Xi Ruoyao <xry111@xry111.site>
Link: https://github.com/util-linux/util-linux/issues/2867
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---
arch/mips/include/asm/ptrace.h | 2 +-
arch/mips/kernel/asm-offsets.c | 1 +
arch/mips/kernel/ptrace.c | 15 ++++++---------
arch/mips/kernel/scall32-o32.S | 23 +++++++++++++----------
arch/mips/kernel/scall64-n32.S | 3 ++-
arch/mips/kernel/scall64-n64.S | 3 ++-
arch/mips/kernel/scall64-o32.S | 33 +++++++++++++++++----------------
7 files changed, 42 insertions(+), 38 deletions(-)
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index d14d0e37ad02d..4a2b40ce39e09 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -159,7 +159,7 @@ extern unsigned long exception_ip(struct pt_regs *regs);
#define exception_ip(regs) exception_ip(regs)
#define profile_pc(regs) instruction_pointer(regs)
-extern asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall);
+extern asmlinkage long syscall_trace_enter(struct pt_regs *regs);
extern asmlinkage void syscall_trace_leave(struct pt_regs *regs);
extern void die(const char *, struct pt_regs *) __noreturn;
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index d1b11f66f748f..cb1045ebab062 100644
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -101,6 +101,7 @@ void output_thread_info_defines(void)
OFFSET(TI_CPU, thread_info, cpu);
OFFSET(TI_PRE_COUNT, thread_info, preempt_count);
OFFSET(TI_REGS, thread_info, regs);
+ OFFSET(TI_SYSCALL, thread_info, syscall);
DEFINE(_THREAD_SIZE, THREAD_SIZE);
DEFINE(_THREAD_MASK, THREAD_MASK);
DEFINE(_IRQ_STACK_SIZE, IRQ_STACK_SIZE);
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 59288c13b581b..61503a36067e9 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -1317,16 +1317,13 @@ long arch_ptrace(struct task_struct *child, long request,
* Notification of system call entry/exit
* - triggered by current->work.syscall_trace
*/
-asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall)
+asmlinkage long syscall_trace_enter(struct pt_regs *regs)
{
user_exit();
- current_thread_info()->syscall = syscall;
-
if (test_thread_flag(TIF_SYSCALL_TRACE)) {
if (ptrace_report_syscall_entry(regs))
return -1;
- syscall = current_thread_info()->syscall;
}
#ifdef CONFIG_SECCOMP
@@ -1335,7 +1332,7 @@ asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall)
struct seccomp_data sd;
unsigned long args[6];
- sd.nr = syscall;
+ sd.nr = current_thread_info()->syscall;
sd.arch = syscall_get_arch(current);
syscall_get_arguments(current, regs, args);
for (i = 0; i < 6; i++)
@@ -1345,23 +1342,23 @@ asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall)
ret = __secure_computing(&sd);
if (ret == -1)
return ret;
- syscall = current_thread_info()->syscall;
}
#endif
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_enter(regs, regs->regs[2]);
- audit_syscall_entry(syscall, regs->regs[4], regs->regs[5],
+ audit_syscall_entry(current_thread_info()->syscall,
+ regs->regs[4], regs->regs[5],
regs->regs[6], regs->regs[7]);
/*
* Negative syscall numbers are mistaken for rejected syscalls, but
* won't have had the return value set appropriately, so we do so now.
*/
- if (syscall < 0)
+ if (current_thread_info()->syscall < 0)
syscall_set_return_value(current, regs, -ENOSYS, 0);
- return syscall;
+ return current_thread_info()->syscall;
}
/*
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 18dc9b3450561..2c604717e6308 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -77,6 +77,18 @@ loads_done:
PTR_WD load_a7, bad_stack_a7
.previous
+ /*
+ * syscall number is in v0 unless we called syscall(__NR_###)
+ * where the real syscall number is in a0
+ */
+ subu t2, v0, __NR_O32_Linux
+ bnez t2, 1f /* __NR_syscall at offset 0 */
+ LONG_S a0, TI_SYSCALL($28) # Save a0 as syscall number
+ b 2f
+1:
+ LONG_S v0, TI_SYSCALL($28) # Save v0 as syscall number
+2:
+
lw t0, TI_FLAGS($28) # syscall tracing enabled?
li t1, _TIF_WORK_SYSCALL_ENTRY
and t0, t1
@@ -114,16 +126,7 @@ syscall_trace_entry:
SAVE_STATIC
move a0, sp
- /*
- * syscall number is in v0 unless we called syscall(__NR_###)
- * where the real syscall number is in a0
- */
- move a1, v0
- subu t2, v0, __NR_O32_Linux
- bnez t2, 1f /* __NR_syscall at offset 0 */
- lw a1, PT_R4(sp)
-
-1: jal syscall_trace_enter
+ jal syscall_trace_enter
bltz v0, 1f # seccomp failed? Skip syscall
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 97456b2ca7dc3..97788859238c3 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -44,6 +44,8 @@ NESTED(handle_sysn32, PT_SIZE, sp)
sd a3, PT_R26(sp) # save a3 for syscall restarting
+ LONG_S v0, TI_SYSCALL($28) # Store syscall number
+
li t1, _TIF_WORK_SYSCALL_ENTRY
LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
and t0, t1, t0
@@ -72,7 +74,6 @@ syscall_common:
n32_syscall_trace_entry:
SAVE_STATIC
move a0, sp
- move a1, v0
jal syscall_trace_enter
bltz v0, 1f # seccomp failed? Skip syscall
diff --git a/arch/mips/kernel/scall64-n64.S b/arch/mips/kernel/scall64-n64.S
index e6264aa62e457..be11ea5cc67e0 100644
--- a/arch/mips/kernel/scall64-n64.S
+++ b/arch/mips/kernel/scall64-n64.S
@@ -46,6 +46,8 @@ NESTED(handle_sys64, PT_SIZE, sp)
sd a3, PT_R26(sp) # save a3 for syscall restarting
+ LONG_S v0, TI_SYSCALL($28) # Store syscall number
+
li t1, _TIF_WORK_SYSCALL_ENTRY
LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
and t0, t1, t0
@@ -82,7 +84,6 @@ n64_syscall_exit:
syscall_trace_entry:
SAVE_STATIC
move a0, sp
- move a1, v0
jal syscall_trace_enter
bltz v0, 1f # seccomp failed? Skip syscall
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index d3c2616cba226..7a5abb73e5312 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -79,6 +79,22 @@ loads_done:
PTR_WD load_a7, bad_stack_a7
.previous
+ /*
+ * absolute syscall number is in v0 unless we called syscall(__NR_###)
+ * where the real syscall number is in a0
+ * note: NR_syscall is the first O32 syscall but the macro is
+ * only defined when compiling with -mabi=32 (CONFIG_32BIT)
+ * therefore __NR_O32_Linux is used (4000)
+ */
+
+ subu t2, v0, __NR_O32_Linux
+ bnez t2, 1f /* __NR_syscall at offset 0 */
+ LONG_S a0, TI_SYSCALL($28) # Save a0 as syscall number
+ b 2f
+1:
+ LONG_S v0, TI_SYSCALL($28) # Save v0 as syscall number
+2:
+
li t1, _TIF_WORK_SYSCALL_ENTRY
LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
and t0, t1, t0
@@ -113,22 +129,7 @@ trace_a_syscall:
sd a7, PT_R11(sp) # For indirect syscalls
move a0, sp
- /*
- * absolute syscall number is in v0 unless we called syscall(__NR_###)
- * where the real syscall number is in a0
- * note: NR_syscall is the first O32 syscall but the macro is
- * only defined when compiling with -mabi=32 (CONFIG_32BIT)
- * therefore __NR_O32_Linux is used (4000)
- */
- .set push
- .set reorder
- subu t1, v0, __NR_O32_Linux
- move a1, v0
- bnez t1, 1f /* __NR_syscall at offset 0 */
- ld a1, PT_R4(sp) /* Arg1 for __NR_syscall case */
- .set pop
-
-1: jal syscall_trace_enter
+ jal syscall_trace_enter
bltz v0, 1f # seccomp failed? Skip syscall
--
GitLab
From 9cf7ea2eeb745213dc2a04103e426b960e807940 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu, 4 Apr 2024 17:59:26 +0300
Subject: [PATCH 2311/2686] serial: core: Clearing the circular buffer before
NULLifying it
The circular buffer is NULLified in uart_tty_port_shutdown()
under the spin lock. However, the PM or other timer based callbacks
may still trigger after this event without knowning that buffer pointer
is not valid. Since the serial code is a bit inconsistent in checking
the buffer state (some rely on the head-tail positions, some on the
buffer pointer), it's better to have both aligned, i.e. buffer pointer
to be NULL and head-tail possitions to be the same, meaning it's empty.
This will prevent asynchronous calls to dereference NULL pointer as
reported recently in 8250 case:
BUG: kernel NULL pointer dereference, address: 00000cf5
Workqueue: pm pm_runtime_work
EIP: serial8250_tx_chars (drivers/tty/serial/8250/8250_port.c:1809)
...
? serial8250_tx_chars (drivers/tty/serial/8250/8250_port.c:1809)
__start_tx (drivers/tty/serial/8250/8250_port.c:1551)
serial8250_start_tx (drivers/tty/serial/8250/8250_port.c:1654)
serial_port_runtime_suspend (include/linux/serial_core.h:667 drivers/tty/serial/serial_port.c:63)
__rpm_callback (drivers/base/power/runtime.c:393)
? serial_port_remove (drivers/tty/serial/serial_port.c:50)
rpm_suspend (drivers/base/power/runtime.c:447)
The proposed change will prevent ->start_tx() to be called during
suspend on shut down port.
Fixes: 43066e32227e ("serial: port: Don't suspend if the port is still busy")
Cc: stable <stable@kernel.org>
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202404031607.2e92eebe-lkp@intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240404150034.41648-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/serial_core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 25a83820927a5..2247efe972503 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -1788,6 +1788,7 @@ static void uart_tty_port_shutdown(struct tty_port *port)
* Free the transmit buffer.
*/
uart_port_lock_irq(uport);
+ uart_circ_clear(&state->xmit);
buf = state->xmit.buf;
state->xmit.buf = NULL;
uart_port_unlock_irq(uport);
--
GitLab
From 011d79ef1cfad701c2d8e7e80d8c77523af9c771 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Mon, 8 Apr 2024 09:32:34 +0200
Subject: [PATCH 2312/2686] MAINTAINERS: Change Krzysztof Kozlowski's email
address
Switch Krzysztof Kozlowski's to @kernel.org account.
Link: https://lore.kernel.org/r/20240329174823.74918-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
MAINTAINERS | 38 +++++++++++++++++++-------------------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 7c121493f43d0..cb0049030acd2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2708,7 +2708,7 @@ F: sound/soc/rockchip/
N: rockchip
ARM/SAMSUNG S3C, S5P AND EXYNOS ARM ARCHITECTURES
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
R: Alim Akhtar <alim.akhtar@samsung.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-samsung-soc@vger.kernel.org
@@ -5557,7 +5557,7 @@ F: drivers/cpuidle/cpuidle-big_little.c
CPUIDLE DRIVER - ARM EXYNOS
M: Daniel Lezcano <daniel.lezcano@linaro.org>
M: Kukjin Kim <kgene@kernel.org>
-R: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+R: Krzysztof Kozlowski <krzk@kernel.org>
L: linux-pm@vger.kernel.org
L: linux-samsung-soc@vger.kernel.org
S: Maintained
@@ -9000,7 +9000,7 @@ F: drivers/i2c/muxes/i2c-mux-gpio.c
F: include/linux/platform_data/i2c-mux-gpio.h
GENERIC GPIO RESET DRIVER
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
S: Maintained
F: drivers/reset/reset-gpio.c
@@ -13295,7 +13295,7 @@ F: drivers/iio/adc/max11205.c
MAXIM MAX17040 FAMILY FUEL GAUGE DRIVERS
R: Iskren Chernev <iskren.chernev@gmail.com>
-R: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+R: Krzysztof Kozlowski <krzk@kernel.org>
R: Marek Szyprowski <m.szyprowski@samsung.com>
R: Matheus Castello <matheus@castello.eng.br>
L: linux-pm@vger.kernel.org
@@ -13305,7 +13305,7 @@ F: drivers/power/supply/max17040_battery.c
MAXIM MAX17042 FAMILY FUEL GAUGE DRIVERS
R: Hans de Goede <hdegoede@redhat.com>
-R: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+R: Krzysztof Kozlowski <krzk@kernel.org>
R: Marek Szyprowski <m.szyprowski@samsung.com>
R: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
R: Purism Kernel Team <kernel@puri.sm>
@@ -13363,7 +13363,7 @@ F: Documentation/devicetree/bindings/power/supply/maxim,max77976.yaml
F: drivers/power/supply/max77976_charger.c
MAXIM MUIC CHARGER DRIVERS FOR EXYNOS BASED BOARDS
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
L: linux-pm@vger.kernel.org
S: Maintained
B: mailto:linux-samsung-soc@vger.kernel.org
@@ -13374,7 +13374,7 @@ F: drivers/power/supply/max77693_charger.c
MAXIM PMIC AND MUIC DRIVERS FOR EXYNOS BASED BOARDS
M: Chanwoo Choi <cw00.choi@samsung.com>
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
L: linux-kernel@vger.kernel.org
S: Maintained
B: mailto:linux-samsung-soc@vger.kernel.org
@@ -14156,7 +14156,7 @@ F: mm/mm_init.c
F: tools/testing/memblock/
MEMORY CONTROLLER DRIVERS
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
L: linux-kernel@vger.kernel.org
S: Maintained
B: mailto:krzysztof.kozlowski@linaro.org
@@ -15537,7 +15537,7 @@ F: include/uapi/linux/nexthop.h
F: net/ipv4/nexthop.c
NFC SUBSYSTEM
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
L: netdev@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/net/nfc/
@@ -15914,7 +15914,7 @@ F: Documentation/devicetree/bindings/regulator/nxp,pf8x00-regulator.yaml
F: drivers/regulator/pf8x00-regulator.c
NXP PTN5150A CC LOGIC AND EXTCON DRIVER
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
L: linux-kernel@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/extcon/extcon-ptn5150.yaml
@@ -16525,7 +16525,7 @@ K: of_overlay_remove
OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS
M: Rob Herring <robh@kernel.org>
-M: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
+M: Krzysztof Kozlowski <krzk+dt@kernel.org>
M: Conor Dooley <conor+dt@kernel.org>
L: devicetree@vger.kernel.org
S: Maintained
@@ -17483,7 +17483,7 @@ F: Documentation/devicetree/bindings/pinctrl/renesas,*
F: drivers/pinctrl/renesas/
PIN CONTROLLER - SAMSUNG
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
M: Sylwester Nawrocki <s.nawrocki@samsung.com>
R: Alim Akhtar <alim.akhtar@samsung.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -19451,7 +19451,7 @@ F: Documentation/devicetree/bindings/sound/samsung*
F: sound/soc/samsung/
SAMSUNG EXYNOS PSEUDO RANDOM NUMBER GENERATOR (RNG) DRIVER
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
L: linux-crypto@vger.kernel.org
L: linux-samsung-soc@vger.kernel.org
S: Maintained
@@ -19486,7 +19486,7 @@ S: Maintained
F: drivers/platform/x86/samsung-laptop.c
SAMSUNG MULTIFUNCTION PMIC DEVICE DRIVERS
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
L: linux-kernel@vger.kernel.org
L: linux-samsung-soc@vger.kernel.org
S: Maintained
@@ -19512,7 +19512,7 @@ F: drivers/media/platform/samsung/s3c-camif/
F: include/media/drv-intf/s3c_camif.h
SAMSUNG S3FWRN5 NFC DRIVER
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
S: Maintained
F: Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml
F: drivers/nfc/s3fwrn5
@@ -19533,7 +19533,7 @@ S: Supported
F: drivers/media/i2c/s5k5baf.c
SAMSUNG S5P Security SubSystem (SSS) DRIVER
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
M: Vladimir Zapolskiy <vz@mleia.com>
L: linux-crypto@vger.kernel.org
L: linux-samsung-soc@vger.kernel.org
@@ -19555,7 +19555,7 @@ F: Documentation/devicetree/bindings/media/samsung,fimc.yaml
F: drivers/media/platform/samsung/exynos4-is/
SAMSUNG SOC CLOCK DRIVERS
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
M: Sylwester Nawrocki <s.nawrocki@samsung.com>
M: Chanwoo Choi <cw00.choi@samsung.com>
R: Alim Akhtar <alim.akhtar@samsung.com>
@@ -19587,7 +19587,7 @@ F: drivers/net/ethernet/samsung/sxgbe/
SAMSUNG THERMAL DRIVER
M: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
L: linux-pm@vger.kernel.org
L: linux-samsung-soc@vger.kernel.org
S: Maintained
@@ -23782,7 +23782,7 @@ S: Orphan
F: drivers/mmc/host/vub300.c
W1 DALLAS'S 1-WIRE BUS
-M: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+M: Krzysztof Kozlowski <krzk@kernel.org>
S: Maintained
F: Documentation/devicetree/bindings/w1/
F: Documentation/w1/
--
GitLab
From fbdd90334a6205e8a99d0bc2dfc738ee438f00bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Fri, 5 Apr 2024 09:20:41 +0200
Subject: [PATCH 2313/2686] MAINTAINERS: Drop Li Yang as their email address
stopped working
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
When sending a patch to (among others) Li Yang the nxp MTA replied that
the address doesn't exist and so the mail couldn't be delivered. The
error code was 550, so at least technically that's not a temporal issue.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240405072042.697182-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
MAINTAINERS | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 3c78979fb8197..da6b81a9e3365 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2191,7 +2191,6 @@ N: mxs
ARM/FREESCALE LAYERSCAPE ARM ARCHITECTURE
M: Shawn Guo <shawnguo@kernel.org>
-M: Li Yang <leoyang.li@nxp.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git
@@ -8523,7 +8522,6 @@ S: Maintained
F: drivers/video/fbdev/fsl-diu-fb.*
FREESCALE DMA DRIVER
-M: Li Yang <leoyang.li@nxp.com>
M: Zhang Wei <zw@zh-kernel.org>
L: linuxppc-dev@lists.ozlabs.org
S: Maintained
@@ -8688,10 +8686,9 @@ F: drivers/soc/fsl/qe/tsa.h
F: include/dt-bindings/soc/cpm1-fsl,tsa.h
FREESCALE QUICC ENGINE UCC ETHERNET DRIVER
-M: Li Yang <leoyang.li@nxp.com>
L: netdev@vger.kernel.org
L: linuxppc-dev@lists.ozlabs.org
-S: Maintained
+S: Orphan
F: drivers/net/ethernet/freescale/ucc_geth*
FREESCALE QUICC ENGINE UCC HDLC DRIVER
@@ -8708,10 +8705,9 @@ S: Maintained
F: drivers/tty/serial/ucc_uart.c
FREESCALE SOC DRIVERS
-M: Li Yang <leoyang.li@nxp.com>
L: linuxppc-dev@lists.ozlabs.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
+S: Orphan
F: Documentation/devicetree/bindings/misc/fsl,dpaa2-console.yaml
F: Documentation/devicetree/bindings/soc/fsl/
F: drivers/soc/fsl/
@@ -8745,10 +8741,9 @@ F: Documentation/devicetree/bindings/sound/fsl,qmc-audio.yaml
F: sound/soc/fsl/fsl_qmc_audio.c
FREESCALE USB PERIPHERAL DRIVERS
-M: Li Yang <leoyang.li@nxp.com>
L: linux-usb@vger.kernel.org
L: linuxppc-dev@lists.ozlabs.org
-S: Maintained
+S: Orphan
F: drivers/usb/gadget/udc/fsl*
FREESCALE USB PHY DRIVER
--
GitLab
From 3461e02066758b78a0731eb71faecfb1eccd0e6c Mon Sep 17 00:00:00 2001
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: Tue, 9 Apr 2024 13:36:46 +0200
Subject: [PATCH 2314/2686] usb: typec: mux: it5205: Fix ChipID value typo
The ChipID bytes are read in inverse order: invert the ChipID value
defined as IT5205FN_CHIP_ID and used for validating the same.
Fixes: 41fe9ea1696c ("usb: typec: mux: Add ITE IT5205 Alternate Mode Passive MUX driver")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240409113646.305105-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/typec/mux/it5205.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/typec/mux/it5205.c b/drivers/usb/typec/mux/it5205.c
index 5535932e42cde..4357cc67a8672 100644
--- a/drivers/usb/typec/mux/it5205.c
+++ b/drivers/usb/typec/mux/it5205.c
@@ -22,7 +22,7 @@
#include <linux/usb/typec_mux.h>
#define IT5205_REG_CHIP_ID(x) (0x4 + (x))
-#define IT5205FN_CHIP_ID 0x35323035 /* "5205" */
+#define IT5205FN_CHIP_ID 0x35303235 /* "5025" -> "5205" */
/* MUX power down register */
#define IT5205_REG_MUXPDR 0x10
--
GitLab
From eed04fa96c48790c1cce73c8a248e9d460b088f8 Mon Sep 17 00:00:00 2001
From: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Date: Tue, 9 Apr 2024 12:27:54 +0000
Subject: [PATCH 2315/2686] usb: dwc2: host: Fix dereference issue in DDMA
completion flow.
Fixed variable dereference issue in DDMA completion flow.
Fixes: b258e4268850 ("usb: dwc2: host: Fix ISOC flow in DDMA mode")
CC: stable@vger.kernel.org
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/linux-usb/2024040834-ethically-rumble-701f@gregkh/T/#m4c4b83bef0ebb4b67fe2e0a7d6466cbb6f416e39
Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Link: https://lore.kernel.org/r/cc826d3ef53c934d8e6d98870f17f3cdc3d2755d.1712665387.git.Minas.Harutyunyan@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc2/hcd_ddma.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc2/hcd_ddma.c b/drivers/usb/dwc2/hcd_ddma.c
index 79582b102c7ed..994a78ad084b1 100644
--- a/drivers/usb/dwc2/hcd_ddma.c
+++ b/drivers/usb/dwc2/hcd_ddma.c
@@ -867,13 +867,15 @@ static int dwc2_cmpl_host_isoc_dma_desc(struct dwc2_hsotg *hsotg,
struct dwc2_dma_desc *dma_desc;
struct dwc2_hcd_iso_packet_desc *frame_desc;
u16 frame_desc_idx;
- struct urb *usb_urb = qtd->urb->priv;
+ struct urb *usb_urb;
u16 remain = 0;
int rc = 0;
if (!qtd->urb)
return -EINVAL;
+ usb_urb = qtd->urb->priv;
+
dma_sync_single_for_cpu(hsotg->dev, qh->desc_list_dma + (idx *
sizeof(struct dwc2_dma_desc)),
sizeof(struct dwc2_dma_desc),
--
GitLab
From 6d029c25b71f2de2838a6f093ce0fa0e69336154 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Tue, 9 Apr 2024 15:38:03 +0200
Subject: [PATCH 2316/2686] selftests/timers/posix_timers: Reimplement
check_timer_distribution()
check_timer_distribution() runs ten threads in a busy loop and tries to
test that the kernel distributes a process posix CPU timer signal to every
thread over time.
There is not guarantee that this is true even after commit bcb7ee79029d
("posix-timers: Prefer delivery of signals to the current thread") because
that commit only avoids waking up the sleeping process leader thread, but
that has nothing to do with the actual signal delivery.
As the signal is process wide the first thread which observes sigpending
and wins the race to lock sighand will deliver the signal. Testing shows
that this hangs on a regular base because some threads never win the race.
The comment "This primarily tests that the kernel does not favour any one."
is wrong. The kernel does favour a thread which hits the timer interrupt
when CLOCK_PROCESS_CPUTIME_ID expires.
Rewrite the test so it only checks that the group leader sleeping in join()
never receives SIGALRM and the thread which burns CPU cycles receives all
signals.
In older kernels which do not have commit bcb7ee79029d ("posix-timers:
Prefer delivery of signals to the current thread") the test-case fails
immediately, the very 1st tick wakes the leader up. Otherwise it quickly
succeeds after 100 ticks.
CI testing wants to use newer selftest versions on stable kernels. In this
case the test is guaranteed to fail.
So check in the failure case whether the kernel version is less than v6.3
and skip the test result in that case.
[ tglx: Massaged change log, renamed the version check helper ]
Fixes: e797203fb3ba ("selftests/timers/posix_timers: Test delivery of signals across threads")
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240409133802.GD29396@redhat.com
---
tools/testing/selftests/kselftest.h | 13 +++
tools/testing/selftests/timers/posix_timers.c | 103 ++++++++----------
2 files changed, 60 insertions(+), 56 deletions(-)
diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
index 541bf192e30e6..973b18e156b28 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -51,6 +51,7 @@
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
+#include <sys/utsname.h>
#endif
#ifndef ARRAY_SIZE
@@ -388,4 +389,16 @@ static inline __printf(1, 2) int ksft_exit_skip(const char *msg, ...)
exit(KSFT_SKIP);
}
+static inline int ksft_min_kernel_version(unsigned int min_major,
+ unsigned int min_minor)
+{
+ unsigned int major, minor;
+ struct utsname info;
+
+ if (uname(&info) || sscanf(info.release, "%u.%u.", &major, &minor) != 2)
+ ksft_exit_fail_msg("Can't parse kernel version\n");
+
+ return major > min_major || (major == min_major && minor >= min_minor);
+}
+
#endif /* __KSELFTEST_H */
diff --git a/tools/testing/selftests/timers/posix_timers.c b/tools/testing/selftests/timers/posix_timers.c
index d49dd3ffd0d96..d86a0e00711e4 100644
--- a/tools/testing/selftests/timers/posix_timers.c
+++ b/tools/testing/selftests/timers/posix_timers.c
@@ -184,80 +184,71 @@ static int check_timer_create(int which)
return 0;
}
-int remain;
-__thread int got_signal;
+static pthread_t ctd_thread;
+static volatile int ctd_count, ctd_failed;
-static void *distribution_thread(void *arg)
+static void ctd_sighandler(int sig)
{
- while (__atomic_load_n(&remain, __ATOMIC_RELAXED));
- return NULL;
+ if (pthread_self() != ctd_thread)
+ ctd_failed = 1;
+ ctd_count--;
}
-static void distribution_handler(int nr)
+static void *ctd_thread_func(void *arg)
{
- if (!__atomic_exchange_n(&got_signal, 1, __ATOMIC_RELAXED))
- __atomic_fetch_sub(&remain, 1, __ATOMIC_RELAXED);
-}
-
-/*
- * Test that all running threads _eventually_ receive CLOCK_PROCESS_CPUTIME_ID
- * timer signals. This primarily tests that the kernel does not favour any one.
- */
-static int check_timer_distribution(void)
-{
- int err, i;
- timer_t id;
- const int nthreads = 10;
- pthread_t threads[nthreads];
struct itimerspec val = {
.it_value.tv_sec = 0,
.it_value.tv_nsec = 1000 * 1000,
.it_interval.tv_sec = 0,
.it_interval.tv_nsec = 1000 * 1000,
};
+ timer_t id;
- remain = nthreads + 1; /* worker threads + this thread */
- signal(SIGALRM, distribution_handler);
- err = timer_create(CLOCK_PROCESS_CPUTIME_ID, NULL, &id);
- if (err < 0) {
- ksft_perror("Can't create timer");
- return -1;
- }
- err = timer_settime(id, 0, &val, NULL);
- if (err < 0) {
- ksft_perror("Can't set timer");
- return -1;
- }
+ /* 1/10 seconds to ensure the leader sleeps */
+ usleep(10000);
- for (i = 0; i < nthreads; i++) {
- err = pthread_create(&threads[i], NULL, distribution_thread,
- NULL);
- if (err) {
- ksft_print_msg("Can't create thread: %s (%d)\n",
- strerror(errno), errno);
- return -1;
- }
- }
+ ctd_count = 100;
+ if (timer_create(CLOCK_PROCESS_CPUTIME_ID, NULL, &id))
+ return "Can't create timer\n";
+ if (timer_settime(id, 0, &val, NULL))
+ return "Can't set timer\n";
- /* Wait for all threads to receive the signal. */
- while (__atomic_load_n(&remain, __ATOMIC_RELAXED));
+ while (ctd_count > 0 && !ctd_failed)
+ ;
- for (i = 0; i < nthreads; i++) {
- err = pthread_join(threads[i], NULL);
- if (err) {
- ksft_print_msg("Can't join thread: %s (%d)\n",
- strerror(errno), errno);
- return -1;
- }
- }
+ if (timer_delete(id))
+ return "Can't delete timer\n";
- if (timer_delete(id)) {
- ksft_perror("Can't delete timer");
- return -1;
- }
+ return NULL;
+}
+
+/*
+ * Test that only the running thread receives the timer signal.
+ */
+static int check_timer_distribution(void)
+{
+ const char *errmsg;
- ksft_test_result_pass("check_timer_distribution\n");
+ signal(SIGALRM, ctd_sighandler);
+
+ errmsg = "Can't create thread\n";
+ if (pthread_create(&ctd_thread, NULL, ctd_thread_func, NULL))
+ goto err;
+
+ errmsg = "Can't join thread\n";
+ if (pthread_join(ctd_thread, (void **)&errmsg) || errmsg)
+ goto err;
+
+ if (!ctd_failed)
+ ksft_test_result_pass("check signal distribution\n");
+ else if (ksft_min_kernel_version(6, 3))
+ ksft_test_result_fail("check signal distribution\n");
+ else
+ ksft_test_result_skip("check signal distribution (old kernel)\n");
return 0;
+err:
+ ksft_print_msg(errmsg);
+ return -1;
}
int main(int argc, char **argv)
--
GitLab
From d7a62d0a9a17e97ce2d4d40431094e09956a0568 Mon Sep 17 00:00:00 2001
From: Thorsten Blum <thorsten.blum@toblux.com>
Date: Tue, 9 Apr 2024 17:46:23 +0200
Subject: [PATCH 2317/2686] compiler.h: Add missing quote in macro comment
Add a missing doublequote in the __is_constexpr() macro comment.
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
include/linux/compiler.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index c00cc6c0878a1..8c252e073bd81 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -268,7 +268,7 @@ static inline void *offset_to_ptr(const int *off)
* - When one operand is a null pointer constant (i.e. when x is an integer
* constant expression) and the other is an object pointer (i.e. our
* third operand), the conditional operator returns the type of the
- * object pointer operand (i.e. "int *). Here, within the sizeof(), we
+ * object pointer operand (i.e. "int *"). Here, within the sizeof(), we
* would then get:
* sizeof(*((int *)(...)) == sizeof(int) == 4
* - When one operand is a void pointer (i.e. when x is not an integer
--
GitLab
From 4710e4fc3e2afa6c092db2c65eef365b0836d6db Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Sat, 9 Mar 2024 18:15:45 +0100
Subject: [PATCH 2318/2686] KVM: SVM: Remove a useless zeroing of allocated
memory
Remove KVM's unnecessary zeroing of memory when allocating the pages array
in sev_pin_memory() via __vmalloc(), as the array is only used to hold
kernel pointers. The kmalloc() path for "small" regions doesn't zero the
array, and if KVM leaks state and/or accesses uninitialized data, then the
kernel has bigger problems.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/c7619a3d3cbb36463531a7c73ccbde9db587986c.1710004509.git.christophe.jaillet@wanadoo.fr
[sean: massage changelog]
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/svm/sev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 61a7531d41b01..759581bb2128d 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -434,7 +434,7 @@ static struct page **sev_pin_memory(struct kvm *kvm, unsigned long uaddr,
/* Avoid using vmalloc for smaller buffers. */
size = npages * sizeof(struct page *);
if (size > PAGE_SIZE)
- pages = __vmalloc(size, GFP_KERNEL_ACCOUNT | __GFP_ZERO);
+ pages = __vmalloc(size, GFP_KERNEL_ACCOUNT);
else
pages = kmalloc(size, GFP_KERNEL_ACCOUNT);
--
GitLab
From 19597a71a0c8603f8c8599686ac9b0ff4b846716 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Fri, 23 Feb 2024 12:42:26 -0800
Subject: [PATCH 2319/2686] KVM: SVM: Create a stack frame in __svm_vcpu_run()
for unwinding
Unconditionally create a stack frame in __svm_vcpu_run() to play nice with
unwinding via frame pointers, at least until the point where RBP is loaded
with the guest's value. Don't bother conditioning the code on
CONFIG_FRAME_POINTER=y, as RBP needs to be saved and restored anyways (due
to it being clobbered with the guest's value); omitting the "MOV RSP, RBP"
is not worth the extra #ifdef.
Creating a stack frame will allow removing the OBJECT_FILES_NON_STANDARD
tag from vmenter.S once __svm_sev_es_vcpu_run() is fixed to not stomp all
over RBP for no reason.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-2-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/svm/vmenter.S | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/kvm/svm/vmenter.S b/arch/x86/kvm/svm/vmenter.S
index 187018c424bfb..82637abf0b7ea 100644
--- a/arch/x86/kvm/svm/vmenter.S
+++ b/arch/x86/kvm/svm/vmenter.S
@@ -99,6 +99,7 @@
*/
SYM_FUNC_START(__svm_vcpu_run)
push %_ASM_BP
+ mov %_ASM_SP, %_ASM_BP
#ifdef CONFIG_X86_64
push %r15
push %r14
--
GitLab
From 7774c8f32e99b1f314c0df7c204a897792b4f378 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Fri, 23 Feb 2024 12:42:27 -0800
Subject: [PATCH 2320/2686] KVM: SVM: Wrap __svm_sev_es_vcpu_run() with #ifdef
CONFIG_KVM_AMD_SEV
Compile (and link) __svm_sev_es_vcpu_run() if and only if SEV support is
actually enabled. This will allow dropping non-existent 32-bit "support"
from __svm_sev_es_vcpu_run() without causing undue confusion.
Intentionally don't provide a stub (but keep the declaration), as any sane
compiler, even with things like KASAN enabled, should eliminate the call
to __svm_sev_es_vcpu_run() since sev_es_guest() unconditionally returns
"false" if CONFIG_KVM_AMD_SEV=n.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/svm/vmenter.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/kvm/svm/vmenter.S b/arch/x86/kvm/svm/vmenter.S
index 82637abf0b7ea..6f57d496867a1 100644
--- a/arch/x86/kvm/svm/vmenter.S
+++ b/arch/x86/kvm/svm/vmenter.S
@@ -291,6 +291,7 @@ SYM_FUNC_START(__svm_vcpu_run)
SYM_FUNC_END(__svm_vcpu_run)
+#ifdef CONFIG_KVM_AMD_SEV
/**
* __svm_sev_es_vcpu_run - Run a SEV-ES vCPU via a transition to SVM guest mode
* @svm: struct vcpu_svm *
@@ -389,3 +390,4 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
_ASM_EXTABLE(1b, 3b)
SYM_FUNC_END(__svm_sev_es_vcpu_run)
+#endif /* CONFIG_KVM_AMD_SEV */
--
GitLab
From 331282fdb15edaf1beb1d27a64d3f65a34d7394d Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Fri, 23 Feb 2024 12:42:28 -0800
Subject: [PATCH 2321/2686] KVM: SVM: Drop 32-bit "support" from
__svm_sev_es_vcpu_run()
Drop 32-bit "support" from __svm_sev_es_vcpu_run(), as SEV/SEV-ES firmly
64-bit only. The "support" was purely the result of bad copy+paste from
__svm_vcpu_run(), which in turn was slightly less bad copy+paste from
__vmx_vcpu_run().
Opportunistically convert to unadulterated register accesses so that it's
easier (but still not easy) to follow which registers hold what arguments,
and when.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-4-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/svm/vmenter.S | 44 +++++++++++---------------------------
1 file changed, 13 insertions(+), 31 deletions(-)
diff --git a/arch/x86/kvm/svm/vmenter.S b/arch/x86/kvm/svm/vmenter.S
index 6f57d496867a1..c057866a459b6 100644
--- a/arch/x86/kvm/svm/vmenter.S
+++ b/arch/x86/kvm/svm/vmenter.S
@@ -298,17 +298,12 @@ SYM_FUNC_END(__svm_vcpu_run)
* @spec_ctrl_intercepted: bool
*/
SYM_FUNC_START(__svm_sev_es_vcpu_run)
- push %_ASM_BP
-#ifdef CONFIG_X86_64
+ push %rbp
push %r15
push %r14
push %r13
push %r12
-#else
- push %edi
- push %esi
-#endif
- push %_ASM_BX
+ push %rbx
/*
* Save variables needed after vmexit on the stack, in inverse
@@ -316,39 +311,31 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
*/
/* Accessed directly from the stack in RESTORE_HOST_SPEC_CTRL. */
- push %_ASM_ARG2
+ push %rsi
/* Save @svm. */
- push %_ASM_ARG1
-
-.ifnc _ASM_ARG1, _ASM_DI
- /*
- * Stash @svm in RDI early. On 32-bit, arguments are in RAX, RCX
- * and RDX which are clobbered by RESTORE_GUEST_SPEC_CTRL.
- */
- mov %_ASM_ARG1, %_ASM_DI
-.endif
+ push %rdi
/* Clobbers RAX, RCX, RDX. */
RESTORE_GUEST_SPEC_CTRL
/* Get svm->current_vmcb->pa into RAX. */
- mov SVM_current_vmcb(%_ASM_DI), %_ASM_AX
- mov KVM_VMCB_pa(%_ASM_AX), %_ASM_AX
+ mov SVM_current_vmcb(%rdi), %rax
+ mov KVM_VMCB_pa(%rax), %rax
/* Enter guest mode */
sti
-1: vmrun %_ASM_AX
+1: vmrun %rax
2: cli
/* Pop @svm to RDI, guest registers have been saved already. */
- pop %_ASM_DI
+ pop %rdi
#ifdef CONFIG_MITIGATION_RETPOLINE
/* IMPORTANT: Stuff the RSB immediately after VM-Exit, before RET! */
- FILL_RETURN_BUFFER %_ASM_AX, RSB_CLEAR_LOOPS, X86_FEATURE_RETPOLINE
+ FILL_RETURN_BUFFER %rax, RSB_CLEAR_LOOPS, X86_FEATURE_RETPOLINE
#endif
/* Clobbers RAX, RCX, RDX. */
@@ -364,26 +351,21 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
UNTRAIN_RET_VM
/* "Pop" @spec_ctrl_intercepted. */
- pop %_ASM_BX
+ pop %rbx
- pop %_ASM_BX
+ pop %rbx
-#ifdef CONFIG_X86_64
pop %r12
pop %r13
pop %r14
pop %r15
-#else
- pop %esi
- pop %edi
-#endif
- pop %_ASM_BP
+ pop %rbp
RET
RESTORE_GUEST_SPEC_CTRL_BODY
RESTORE_HOST_SPEC_CTRL_BODY
-3: cmpb $0, _ASM_RIP(kvm_rebooting)
+3: cmpb $0, kvm_rebooting(%rip)
jne 2b
ud2
--
GitLab
From 87e8e360a05fd29465691aeac179bcf585600c59 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Fri, 23 Feb 2024 12:42:29 -0800
Subject: [PATCH 2322/2686] KVM: SVM: Clobber RAX instead of RBX when
discarding spec_ctrl_intercepted
POP @spec_ctrl_intercepted into RAX instead of RBX when discarding it from
the stack so that __svm_sev_es_vcpu_run() doesn't modify any non-volatile
registers. __svm_sev_es_vcpu_run() doesn't return a value, and RAX is
already are clobbered multiple times in the #VMEXIT path.
This will allowing using the host save area to save/restore non-volatile
registers in __svm_sev_es_vcpu_run().
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/svm/vmenter.S | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/svm/vmenter.S b/arch/x86/kvm/svm/vmenter.S
index c057866a459b6..db94fb6f610ae 100644
--- a/arch/x86/kvm/svm/vmenter.S
+++ b/arch/x86/kvm/svm/vmenter.S
@@ -350,8 +350,8 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
*/
UNTRAIN_RET_VM
- /* "Pop" @spec_ctrl_intercepted. */
- pop %rbx
+ /* "Pop" and discard @spec_ctrl_intercepted. */
+ pop %rax
pop %rbx
--
GitLab
From c92be2fd8edf7b300a758c185fe032fd0257b886 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Fri, 23 Feb 2024 12:42:30 -0800
Subject: [PATCH 2323/2686] KVM: SVM: Save/restore non-volatile GPRs in SEV-ES
VMRUN via host save area
Use the host save area to save/restore non-volatile (callee-saved)
registers in __svm_sev_es_vcpu_run() to take advantage of hardware loading
all registers from the save area on #VMEXIT. KVM still needs to save the
registers it wants restored, but the loads are handled automatically by
hardware.
Aside from less assembly code, letting hardware do the restoration means
stack frames are preserved for the entirety of __svm_sev_es_vcpu_run().
Opportunistically add a comment to call out why @svm needs to be saved
across VMRUN->#VMEXIT, as it's not easy to decipher that from the macro
hell.
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Michael Roth <michael.roth@amd.com>
Cc: Alexey Kardashevskiy <aik@amd.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-6-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/svm/svm.c | 17 +++++++++-------
arch/x86/kvm/svm/svm.h | 3 ++-
arch/x86/kvm/svm/vmenter.S | 41 +++++++++++++++++++++-----------------
3 files changed, 35 insertions(+), 26 deletions(-)
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index d1a9f99516358..9aaf83c8d57df 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1503,6 +1503,11 @@ static void svm_vcpu_free(struct kvm_vcpu *vcpu)
__free_pages(virt_to_page(svm->msrpm), get_order(MSRPM_SIZE));
}
+static struct sev_es_save_area *sev_es_host_save_area(struct svm_cpu_data *sd)
+{
+ return page_address(sd->save_area) + 0x400;
+}
+
static void svm_prepare_switch_to_guest(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
@@ -1519,12 +1524,8 @@ static void svm_prepare_switch_to_guest(struct kvm_vcpu *vcpu)
* or subsequent vmload of host save area.
*/
vmsave(sd->save_area_pa);
- if (sev_es_guest(vcpu->kvm)) {
- struct sev_es_save_area *hostsa;
- hostsa = (struct sev_es_save_area *)(page_address(sd->save_area) + 0x400);
-
- sev_es_prepare_switch_to_guest(hostsa);
- }
+ if (sev_es_guest(vcpu->kvm))
+ sev_es_prepare_switch_to_guest(sev_es_host_save_area(sd));
if (tsc_scaling)
__svm_write_tsc_multiplier(vcpu->arch.tsc_scaling_ratio);
@@ -4101,6 +4102,7 @@ static fastpath_t svm_exit_handlers_fastpath(struct kvm_vcpu *vcpu)
static noinstr void svm_vcpu_enter_exit(struct kvm_vcpu *vcpu, bool spec_ctrl_intercepted)
{
+ struct svm_cpu_data *sd = per_cpu_ptr(&svm_data, vcpu->cpu);
struct vcpu_svm *svm = to_svm(vcpu);
guest_state_enter_irqoff();
@@ -4108,7 +4110,8 @@ static noinstr void svm_vcpu_enter_exit(struct kvm_vcpu *vcpu, bool spec_ctrl_in
amd_clear_divider();
if (sev_es_guest(vcpu->kvm))
- __svm_sev_es_vcpu_run(svm, spec_ctrl_intercepted);
+ __svm_sev_es_vcpu_run(svm, spec_ctrl_intercepted,
+ sev_es_host_save_area(sd));
else
__svm_vcpu_run(svm, spec_ctrl_intercepted);
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 7f1fbd874c458..33878efdebc82 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -698,7 +698,8 @@ struct page *snp_safe_alloc_page(struct kvm_vcpu *vcpu);
/* vmenter.S */
-void __svm_sev_es_vcpu_run(struct vcpu_svm *svm, bool spec_ctrl_intercepted);
+void __svm_sev_es_vcpu_run(struct vcpu_svm *svm, bool spec_ctrl_intercepted,
+ struct sev_es_save_area *hostsa);
void __svm_vcpu_run(struct vcpu_svm *svm, bool spec_ctrl_intercepted);
#define DEFINE_KVM_GHCB_ACCESSORS(field) \
diff --git a/arch/x86/kvm/svm/vmenter.S b/arch/x86/kvm/svm/vmenter.S
index db94fb6f610ae..7f627d535afc5 100644
--- a/arch/x86/kvm/svm/vmenter.S
+++ b/arch/x86/kvm/svm/vmenter.S
@@ -292,23 +292,35 @@ SYM_FUNC_START(__svm_vcpu_run)
SYM_FUNC_END(__svm_vcpu_run)
#ifdef CONFIG_KVM_AMD_SEV
+
+
+#ifdef CONFIG_X86_64
+#define SEV_ES_GPRS_BASE 0x300
+#define SEV_ES_RBX (SEV_ES_GPRS_BASE + __VCPU_REGS_RBX * WORD_SIZE)
+#define SEV_ES_RBP (SEV_ES_GPRS_BASE + __VCPU_REGS_RBP * WORD_SIZE)
+#define SEV_ES_R12 (SEV_ES_GPRS_BASE + __VCPU_REGS_R12 * WORD_SIZE)
+#define SEV_ES_R13 (SEV_ES_GPRS_BASE + __VCPU_REGS_R13 * WORD_SIZE)
+#define SEV_ES_R14 (SEV_ES_GPRS_BASE + __VCPU_REGS_R14 * WORD_SIZE)
+#define SEV_ES_R15 (SEV_ES_GPRS_BASE + __VCPU_REGS_R15 * WORD_SIZE)
+#endif
+
/**
* __svm_sev_es_vcpu_run - Run a SEV-ES vCPU via a transition to SVM guest mode
* @svm: struct vcpu_svm *
* @spec_ctrl_intercepted: bool
*/
SYM_FUNC_START(__svm_sev_es_vcpu_run)
- push %rbp
- push %r15
- push %r14
- push %r13
- push %r12
- push %rbx
-
/*
- * Save variables needed after vmexit on the stack, in inverse
- * order compared to when they are needed.
+ * Save non-volatile (callee-saved) registers to the host save area.
+ * Except for RAX and RSP, all GPRs are restored on #VMEXIT, but not
+ * saved on VMRUN.
*/
+ mov %rbp, SEV_ES_RBP (%rdx)
+ mov %r15, SEV_ES_R15 (%rdx)
+ mov %r14, SEV_ES_R14 (%rdx)
+ mov %r13, SEV_ES_R13 (%rdx)
+ mov %r12, SEV_ES_R12 (%rdx)
+ mov %rbx, SEV_ES_RBX (%rdx)
/* Accessed directly from the stack in RESTORE_HOST_SPEC_CTRL. */
push %rsi
@@ -316,7 +328,7 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
/* Save @svm. */
push %rdi
- /* Clobbers RAX, RCX, RDX. */
+ /* Clobbers RAX, RCX, RDX (@hostsa). */
RESTORE_GUEST_SPEC_CTRL
/* Get svm->current_vmcb->pa into RAX. */
@@ -338,7 +350,7 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
FILL_RETURN_BUFFER %rax, RSB_CLEAR_LOOPS, X86_FEATURE_RETPOLINE
#endif
- /* Clobbers RAX, RCX, RDX. */
+ /* Clobbers RAX, RCX, RDX, consumes RDI (@svm). */
RESTORE_HOST_SPEC_CTRL
/*
@@ -353,13 +365,6 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
/* "Pop" and discard @spec_ctrl_intercepted. */
pop %rax
- pop %rbx
-
- pop %r12
- pop %r13
- pop %r14
- pop %r15
- pop %rbp
RET
RESTORE_GUEST_SPEC_CTRL_BODY
--
GitLab
From adac42bf42c1608f23938c03e3ca53fa6c87f337 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Fri, 23 Feb 2024 12:42:31 -0800
Subject: [PATCH 2324/2686] KVM: SVM: Save/restore args across SEV-ES VMRUN via
host save area
Use the host save area to preserve volatile registers that are used in
__svm_sev_es_vcpu_run() to access function parameters after #VMEXIT.
Like saving/restoring non-volatile registers, there's no reason not to
take advantage of hardware restoring registers on #VMEXIT, as doing so
shaves a few instructions and the save area is going to be accessed no
matter what.
Converting all register save/restore code to use the host save area also
make it easier to follow the SEV-ES VMRUN flow in its entirety, as
opposed to having a mix of stack-based versus host save area save/restore.
Add a parameter to RESTORE_HOST_SPEC_CTRL_BODY so that the SEV-ES path
doesn't need to write @spec_ctrl_intercepted to memory just to play nice
with the common macro.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-7-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/svm/vmenter.S | 29 +++++++++++++----------------
1 file changed, 13 insertions(+), 16 deletions(-)
diff --git a/arch/x86/kvm/svm/vmenter.S b/arch/x86/kvm/svm/vmenter.S
index 7f627d535afc5..d1613395dd393 100644
--- a/arch/x86/kvm/svm/vmenter.S
+++ b/arch/x86/kvm/svm/vmenter.S
@@ -67,7 +67,7 @@
"", X86_FEATURE_V_SPEC_CTRL
901:
.endm
-.macro RESTORE_HOST_SPEC_CTRL_BODY
+.macro RESTORE_HOST_SPEC_CTRL_BODY spec_ctrl_intercepted:req
900:
/* Same for after vmexit. */
mov $MSR_IA32_SPEC_CTRL, %ecx
@@ -76,7 +76,7 @@
* Load the value that the guest had written into MSR_IA32_SPEC_CTRL,
* if it was not intercepted during guest execution.
*/
- cmpb $0, (%_ASM_SP)
+ cmpb $0, \spec_ctrl_intercepted
jnz 998f
rdmsr
movl %eax, SVM_spec_ctrl(%_ASM_DI)
@@ -269,7 +269,7 @@ SYM_FUNC_START(__svm_vcpu_run)
RET
RESTORE_GUEST_SPEC_CTRL_BODY
- RESTORE_HOST_SPEC_CTRL_BODY
+ RESTORE_HOST_SPEC_CTRL_BODY (%_ASM_SP)
10: cmpb $0, _ASM_RIP(kvm_rebooting)
jne 2b
@@ -298,6 +298,8 @@ SYM_FUNC_END(__svm_vcpu_run)
#define SEV_ES_GPRS_BASE 0x300
#define SEV_ES_RBX (SEV_ES_GPRS_BASE + __VCPU_REGS_RBX * WORD_SIZE)
#define SEV_ES_RBP (SEV_ES_GPRS_BASE + __VCPU_REGS_RBP * WORD_SIZE)
+#define SEV_ES_RSI (SEV_ES_GPRS_BASE + __VCPU_REGS_RSI * WORD_SIZE)
+#define SEV_ES_RDI (SEV_ES_GPRS_BASE + __VCPU_REGS_RDI * WORD_SIZE)
#define SEV_ES_R12 (SEV_ES_GPRS_BASE + __VCPU_REGS_R12 * WORD_SIZE)
#define SEV_ES_R13 (SEV_ES_GPRS_BASE + __VCPU_REGS_R13 * WORD_SIZE)
#define SEV_ES_R14 (SEV_ES_GPRS_BASE + __VCPU_REGS_R14 * WORD_SIZE)
@@ -322,11 +324,12 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
mov %r12, SEV_ES_R12 (%rdx)
mov %rbx, SEV_ES_RBX (%rdx)
- /* Accessed directly from the stack in RESTORE_HOST_SPEC_CTRL. */
- push %rsi
-
- /* Save @svm. */
- push %rdi
+ /*
+ * Save volatile registers that hold arguments that are needed after
+ * #VMEXIT (RDI=@svm and RSI=@spec_ctrl_intercepted).
+ */
+ mov %rdi, SEV_ES_RDI (%rdx)
+ mov %rsi, SEV_ES_RSI (%rdx)
/* Clobbers RAX, RCX, RDX (@hostsa). */
RESTORE_GUEST_SPEC_CTRL
@@ -342,15 +345,12 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
2: cli
- /* Pop @svm to RDI, guest registers have been saved already. */
- pop %rdi
-
#ifdef CONFIG_MITIGATION_RETPOLINE
/* IMPORTANT: Stuff the RSB immediately after VM-Exit, before RET! */
FILL_RETURN_BUFFER %rax, RSB_CLEAR_LOOPS, X86_FEATURE_RETPOLINE
#endif
- /* Clobbers RAX, RCX, RDX, consumes RDI (@svm). */
+ /* Clobbers RAX, RCX, RDX, consumes RDI (@svm) and RSI (@spec_ctrl_intercepted). */
RESTORE_HOST_SPEC_CTRL
/*
@@ -362,13 +362,10 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
*/
UNTRAIN_RET_VM
- /* "Pop" and discard @spec_ctrl_intercepted. */
- pop %rax
-
RET
RESTORE_GUEST_SPEC_CTRL_BODY
- RESTORE_HOST_SPEC_CTRL_BODY
+ RESTORE_HOST_SPEC_CTRL_BODY %sil
3: cmpb $0, kvm_rebooting(%rip)
jne 2b
--
GitLab
From 4367a75887ec8d68932cd84ea9cffe24d7a55fa0 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Fri, 23 Feb 2024 12:42:32 -0800
Subject: [PATCH 2325/2686] KVM: SVM: Create a stack frame in
__svm_sev_es_vcpu_run()
Now that KVM uses the host save area to context switch RBP, i.e.
preserves RBP for the entirety of __svm_sev_es_vcpu_run(), create a stack
frame using the standared FRAME_{BEGIN,END} macros.
Note, __svm_sev_es_vcpu_run() is subtly not a leaf function as it can call
into ibpb_feature() via UNTRAIN_RET_VM.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-8-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/svm/vmenter.S | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/x86/kvm/svm/vmenter.S b/arch/x86/kvm/svm/vmenter.S
index d1613395dd393..a0c8eb37d3e1c 100644
--- a/arch/x86/kvm/svm/vmenter.S
+++ b/arch/x86/kvm/svm/vmenter.S
@@ -3,6 +3,7 @@
#include <asm/asm.h>
#include <asm/asm-offsets.h>
#include <asm/bitsperlong.h>
+#include <asm/frame.h>
#include <asm/kvm_vcpu_regs.h>
#include <asm/nospec-branch.h>
#include "kvm-asm-offsets.h"
@@ -312,6 +313,8 @@ SYM_FUNC_END(__svm_vcpu_run)
* @spec_ctrl_intercepted: bool
*/
SYM_FUNC_START(__svm_sev_es_vcpu_run)
+ FRAME_BEGIN
+
/*
* Save non-volatile (callee-saved) registers to the host save area.
* Except for RAX and RSP, all GPRs are restored on #VMEXIT, but not
@@ -362,6 +365,7 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
*/
UNTRAIN_RET_VM
+ FRAME_END
RET
RESTORE_GUEST_SPEC_CTRL_BODY
--
GitLab
From 27ca867042affef7eba692d3bac7b51ee85e36ad Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Fri, 23 Feb 2024 12:42:33 -0800
Subject: [PATCH 2326/2686] KVM: x86: Stop compiling vmenter.S with
OBJECT_FILES_NON_STANDARD
Stop compiling vmenter.S with OBJECT_FILES_NON_STANDARD to skip objtool's
stack validation now that __svm_vcpu_run() and __svm_sev_es_vcpu_run()
create stack frames (though the former's effectiveness is dubious).
Note, due to a quirk in how OBJECT_FILES_NON_STANDARD was handled by the
build system prior to commit bf48d9b756b9 ("kbuild: change tool coverage
variables to take the path relative to $(obj)"), vmx/vmenter.S got lumped
in with svm/vmenter.S. __vmx_vcpu_run() already plays nice with frame
pointers, i.e. it was collateral damage when commit 7f4b5cde2409 ("kvm:
Disable objtool frame pointer checking for vmenter.S") added the
OBJECT_FILES_NON_STANDARD hack-a-fix.
Link: https://lore.kernel.org/all/20240217055504.2059803-1-masahiroy@kernel.org
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240223204233.3337324-9-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/Makefile | 5 -----
1 file changed, 5 deletions(-)
diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile
index a88bb14266b69..addc44fc7187d 100644
--- a/arch/x86/kvm/Makefile
+++ b/arch/x86/kvm/Makefile
@@ -3,11 +3,6 @@
ccflags-y += -I $(srctree)/arch/x86/kvm
ccflags-$(CONFIG_KVM_WERROR) += -Werror
-ifeq ($(CONFIG_FRAME_POINTER),y)
-OBJECT_FILES_NON_STANDARD_vmx/vmenter.o := y
-OBJECT_FILES_NON_STANDARD_svm/vmenter.o := y
-endif
-
include $(srctree)/virt/kvm/Makefile.kvm
kvm-y += x86.o emulate.o i8259.o irq.o lapic.o \
--
GitLab
From 4c08f01934ab67d1d283d5cbaa52b923abcfe4cd Mon Sep 17 00:00:00 2001
From: Zack Rusin <zack.rusin@broadcom.com>
Date: Sun, 7 Apr 2024 22:28:02 -0400
Subject: [PATCH 2327/2686] drm/vmwgfx: Enable DMA mappings with SEV
Enable DMA mappings in vmwgfx after TTM has been fixed in commit
3bf3710e3718 ("drm/ttm: Add a generic TTM memcpy move for page-based iomem")
This enables full guest-backed memory support and in particular allows
usage of screen targets as the presentation mechanism.
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Reported-by: Ye Li <ye.li@broadcom.com>
Tested-by: Ye Li <ye.li@broadcom.com>
Fixes: 3b0d6458c705 ("drm/vmwgfx: Refuse DMA operation when SEV encryption is active")
Cc: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v6.6+
Reviewed-by: Martin Krastev <martin.krastev@broadcom.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240408022802.358641-1-zack.rusin@broadcom.com
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index c7d90f96d16a6..0a304706e0132 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -666,11 +666,12 @@ static int vmw_dma_select_mode(struct vmw_private *dev_priv)
[vmw_dma_map_populate] = "Caching DMA mappings.",
[vmw_dma_map_bind] = "Giving up DMA mappings early."};
- /* TTM currently doesn't fully support SEV encryption. */
- if (cc_platform_has(CC_ATTR_MEM_ENCRYPT))
- return -EINVAL;
-
- if (vmw_force_coherent)
+ /*
+ * When running with SEV we always want dma mappings, because
+ * otherwise ttm tt pool pages will bounce through swiotlb running
+ * out of available space.
+ */
+ if (vmw_force_coherent || cc_platform_has(CC_ATTR_MEM_ENCRYPT))
dev_priv->map_mode = vmw_dma_alloc_coherent;
else if (vmw_restrict_iommu)
dev_priv->map_mode = vmw_dma_map_bind;
--
GitLab
From 05a2f07db8883b027c0b4a475fcc586278922b8d Mon Sep 17 00:00:00 2001
From: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Date: Tue, 5 Mar 2024 12:27:27 +0100
Subject: [PATCH 2328/2686] tools/power turbostat: read RAPL counters via perf
Some of the future Intel platforms will require reading the RAPL
counters via perf and not MSR. On current platforms we can still read
them using both ways.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 786 +++++++++++++++++++++-----
1 file changed, 649 insertions(+), 137 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index a380829c58903..283dffb987b59 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -37,6 +37,7 @@
#include <asm/unistd.h>
#include <stdbool.h>
#include <assert.h>
+#include <linux/kernel.h>
#define UNUSED(x) (void)(x)
@@ -60,6 +61,7 @@ enum counter_scope { SCOPE_CPU, SCOPE_CORE, SCOPE_PACKAGE };
enum counter_type { COUNTER_ITEMS, COUNTER_CYCLES, COUNTER_SECONDS, COUNTER_USEC };
enum counter_format { FORMAT_RAW, FORMAT_DELTA, FORMAT_PERCENT };
enum amperf_source { AMPERF_SOURCE_PERF, AMPERF_SOURCE_MSR };
+enum rapl_source { RAPL_SOURCE_NONE, RAPL_SOURCE_PERF, RAPL_SOURCE_MSR };
struct msr_counter {
unsigned int msr_num;
@@ -958,6 +960,175 @@ size_t cpu_present_setsize, cpu_effective_setsize, cpu_allowed_setsize, cpu_affi
#define MAX_ADDED_THREAD_COUNTERS 24
#define BITMASK_SIZE 32
+/* Indexes used to map data read from perf and MSRs into global variables */
+enum rapl_rci_index {
+ RAPL_RCI_INDEX_ENERGY_PKG = 0,
+ RAPL_RCI_INDEX_ENERGY_CORES = 1,
+ RAPL_RCI_INDEX_DRAM = 2,
+ RAPL_RCI_INDEX_GFX = 3,
+ RAPL_RCI_INDEX_PKG_PERF_STATUS = 4,
+ RAPL_RCI_INDEX_DRAM_PERF_STATUS = 5,
+ RAPL_RCI_INDEX_CORE_ENERGY = 6,
+ NUM_RAPL_COUNTERS,
+};
+
+enum rapl_unit {
+ RAPL_UNIT_INVALID,
+ RAPL_UNIT_JOULES,
+ RAPL_UNIT_WATTS,
+};
+
+struct rapl_counter_info_t {
+ unsigned long long data[NUM_RAPL_COUNTERS];
+ enum rapl_source source[NUM_RAPL_COUNTERS];
+ unsigned long long flags[NUM_RAPL_COUNTERS];
+ double scale[NUM_RAPL_COUNTERS];
+ enum rapl_unit unit[NUM_RAPL_COUNTERS];
+
+ union {
+ /* Active when source == RAPL_SOURCE_MSR */
+ struct {
+ unsigned long long msr[NUM_RAPL_COUNTERS];
+ unsigned long long msr_mask[NUM_RAPL_COUNTERS];
+ int msr_shift[NUM_RAPL_COUNTERS];
+ };
+ };
+
+ int fd_perf;
+};
+
+/* struct rapl_counter_info_t for each RAPL domain */
+struct rapl_counter_info_t *rapl_counter_info_perdomain;
+
+#define RAPL_COUNTER_FLAG_USE_MSR_SUM (1u << 1)
+
+struct rapl_counter_arch_info {
+ int feature_mask; /* Mask for testing if the counter is supported on host */
+ const char *perf_subsys;
+ const char *perf_name;
+ unsigned long long msr;
+ unsigned long long msr_mask;
+ int msr_shift; /* Positive mean shift right, negative mean shift left */
+ double *platform_rapl_msr_scale; /* Scale applied to values read by MSR (platform dependent, filled at runtime) */
+ unsigned int rci_index; /* Maps data from perf counters to global variables */
+ unsigned long long bic;
+ double compat_scale; /* Some counters require constant scaling to be in the same range as other, similar ones */
+ unsigned long long flags;
+};
+
+static const struct rapl_counter_arch_info rapl_counter_arch_infos[] = {
+ {
+ .feature_mask = RAPL_PKG,
+ .perf_subsys = "power",
+ .perf_name = "energy-pkg",
+ .msr = MSR_PKG_ENERGY_STATUS,
+ .msr_mask = 0xFFFFFFFFFFFFFFFF,
+ .msr_shift = 0,
+ .platform_rapl_msr_scale = &rapl_energy_units,
+ .rci_index = RAPL_RCI_INDEX_ENERGY_PKG,
+ .bic = BIC_PkgWatt | BIC_Pkg_J,
+ .compat_scale = 1.0,
+ .flags = RAPL_COUNTER_FLAG_USE_MSR_SUM,
+ },
+ {
+ .feature_mask = RAPL_AMD_F17H,
+ .perf_subsys = "power",
+ .perf_name = "energy-pkg",
+ .msr = MSR_PKG_ENERGY_STAT,
+ .msr_mask = 0xFFFFFFFFFFFFFFFF,
+ .msr_shift = 0,
+ .platform_rapl_msr_scale = &rapl_energy_units,
+ .rci_index = RAPL_RCI_INDEX_ENERGY_PKG,
+ .bic = BIC_PkgWatt | BIC_Pkg_J,
+ .compat_scale = 1.0,
+ .flags = RAPL_COUNTER_FLAG_USE_MSR_SUM,
+ },
+ {
+ .feature_mask = RAPL_CORE_ENERGY_STATUS,
+ .perf_subsys = "power",
+ .perf_name = "energy-cores",
+ .msr = MSR_PP0_ENERGY_STATUS,
+ .msr_mask = 0xFFFFFFFFFFFFFFFF,
+ .msr_shift = 0,
+ .platform_rapl_msr_scale = &rapl_energy_units,
+ .rci_index = RAPL_RCI_INDEX_ENERGY_CORES,
+ .bic = BIC_CorWatt | BIC_Cor_J,
+ .compat_scale = 1.0,
+ .flags = RAPL_COUNTER_FLAG_USE_MSR_SUM,
+ },
+ {
+ .feature_mask = RAPL_DRAM,
+ .perf_subsys = "power",
+ .perf_name = "energy-ram",
+ .msr = MSR_DRAM_ENERGY_STATUS,
+ .msr_mask = 0xFFFFFFFFFFFFFFFF,
+ .msr_shift = 0,
+ .platform_rapl_msr_scale = &rapl_dram_energy_units,
+ .rci_index = RAPL_RCI_INDEX_DRAM,
+ .bic = BIC_RAMWatt | BIC_RAM_J,
+ .compat_scale = 1.0,
+ .flags = RAPL_COUNTER_FLAG_USE_MSR_SUM,
+ },
+ {
+ .feature_mask = RAPL_GFX,
+ .perf_subsys = "power",
+ .perf_name = "energy-gpu",
+ .msr = MSR_PP1_ENERGY_STATUS,
+ .msr_mask = 0xFFFFFFFFFFFFFFFF,
+ .msr_shift = 0,
+ .platform_rapl_msr_scale = &rapl_energy_units,
+ .rci_index = RAPL_RCI_INDEX_GFX,
+ .bic = BIC_GFXWatt | BIC_GFX_J,
+ .compat_scale = 1.0,
+ .flags = RAPL_COUNTER_FLAG_USE_MSR_SUM,
+ },
+ {
+ .feature_mask = RAPL_PKG_PERF_STATUS,
+ .perf_subsys = NULL,
+ .perf_name = NULL,
+ .msr = MSR_PKG_PERF_STATUS,
+ .msr_mask = 0xFFFFFFFFFFFFFFFF,
+ .msr_shift = 0,
+ .platform_rapl_msr_scale = &rapl_time_units,
+ .rci_index = RAPL_RCI_INDEX_PKG_PERF_STATUS,
+ .bic = BIC_PKG__,
+ .compat_scale = 100.0,
+ .flags = RAPL_COUNTER_FLAG_USE_MSR_SUM,
+ },
+ {
+ .feature_mask = RAPL_DRAM_PERF_STATUS,
+ .perf_subsys = NULL,
+ .perf_name = NULL,
+ .msr = MSR_DRAM_PERF_STATUS,
+ .msr_mask = 0xFFFFFFFFFFFFFFFF,
+ .msr_shift = 0,
+ .platform_rapl_msr_scale = &rapl_time_units,
+ .rci_index = RAPL_RCI_INDEX_DRAM_PERF_STATUS,
+ .bic = BIC_RAM__,
+ .compat_scale = 100.0,
+ .flags = RAPL_COUNTER_FLAG_USE_MSR_SUM,
+ },
+ {
+ .feature_mask = RAPL_AMD_F17H,
+ .perf_subsys = NULL,
+ .perf_name = NULL,
+ .msr = MSR_CORE_ENERGY_STAT,
+ .msr_mask = 0xFFFFFFFF,
+ .msr_shift = 0,
+ .platform_rapl_msr_scale = &rapl_energy_units,
+ .rci_index = RAPL_RCI_INDEX_CORE_ENERGY,
+ .bic = BIC_CorWatt | BIC_Cor_J,
+ .compat_scale = 1.0,
+ .flags = 0,
+ },
+};
+
+struct rapl_counter {
+ unsigned long long raw_value;
+ enum rapl_unit unit;
+ double scale;
+};
+
struct thread_data {
struct timeval tv_begin;
struct timeval tv_end;
@@ -984,7 +1155,7 @@ struct core_data {
unsigned long long c7;
unsigned long long mc6_us; /* duplicate as per-core for now, even though per module */
unsigned int core_temp_c;
- unsigned int core_energy; /* MSR_CORE_ENERGY_STAT */
+ struct rapl_counter core_energy; /* MSR_CORE_ENERGY_STAT */
unsigned int core_id;
unsigned long long core_throt_cnt;
unsigned long long counter[MAX_ADDED_COUNTERS];
@@ -1009,12 +1180,12 @@ struct pkg_data {
unsigned int gfx_mhz;
unsigned int gfx_act_mhz;
unsigned int package_id;
- unsigned long long energy_pkg; /* MSR_PKG_ENERGY_STATUS */
- unsigned long long energy_dram; /* MSR_DRAM_ENERGY_STATUS */
- unsigned long long energy_cores; /* MSR_PP0_ENERGY_STATUS */
- unsigned long long energy_gfx; /* MSR_PP1_ENERGY_STATUS */
- unsigned long long rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */
- unsigned long long rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */
+ struct rapl_counter energy_pkg; /* MSR_PKG_ENERGY_STATUS */
+ struct rapl_counter energy_dram; /* MSR_DRAM_ENERGY_STATUS */
+ struct rapl_counter energy_cores; /* MSR_PP0_ENERGY_STATUS */
+ struct rapl_counter energy_gfx; /* MSR_PP1_ENERGY_STATUS */
+ struct rapl_counter rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */
+ struct rapl_counter rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */
unsigned int pkg_temp_c;
unsigned int uncore_mhz;
unsigned long long counter[MAX_ADDED_COUNTERS];
@@ -1403,6 +1574,21 @@ int get_msr(int cpu, off_t offset, unsigned long long *msr)
return 0;
}
+int probe_msr(int cpu, off_t offset)
+{
+ ssize_t retval;
+ unsigned long long dummy;
+
+ assert(!no_msr);
+
+ retval = pread(get_msr_fd(cpu), &dummy, sizeof(dummy), offset);
+
+ if (retval != sizeof(dummy))
+ return 1;
+
+ return 0;
+}
+
#define MAX_DEFERRED 16
char *deferred_add_names[MAX_DEFERRED];
char *deferred_skip_names[MAX_DEFERRED];
@@ -1755,7 +1941,11 @@ int dump_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p
outp += sprintf(outp, "c7: %016llX\n", c->c7);
outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c);
outp += sprintf(outp, "cpu_throt_count: %016llX\n", c->core_throt_cnt);
- outp += sprintf(outp, "Joules: %0X\n", c->core_energy);
+
+ const unsigned long long energy_value = c->core_energy.raw_value * c->core_energy.scale;
+ const double energy_scale = c->core_energy.scale;
+ if (c->core_energy.unit == RAPL_UNIT_JOULES)
+ outp += sprintf(outp, "Joules: %0llX (scale: %lf)\n", energy_value, energy_scale);
for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
outp +=
@@ -1785,12 +1975,12 @@ int dump_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p
outp += sprintf(outp, "pc10: %016llX\n", p->pc10);
outp += sprintf(outp, "cpu_lpi: %016llX\n", p->cpu_lpi);
outp += sprintf(outp, "sys_lpi: %016llX\n", p->sys_lpi);
- outp += sprintf(outp, "Joules PKG: %0llX\n", p->energy_pkg);
- outp += sprintf(outp, "Joules COR: %0llX\n", p->energy_cores);
- outp += sprintf(outp, "Joules GFX: %0llX\n", p->energy_gfx);
- outp += sprintf(outp, "Joules RAM: %0llX\n", p->energy_dram);
- outp += sprintf(outp, "Throttle PKG: %0llX\n", p->rapl_pkg_perf_status);
- outp += sprintf(outp, "Throttle RAM: %0llX\n", p->rapl_dram_perf_status);
+ outp += sprintf(outp, "Joules PKG: %0llX\n", p->energy_pkg.raw_value);
+ outp += sprintf(outp, "Joules COR: %0llX\n", p->energy_cores.raw_value);
+ outp += sprintf(outp, "Joules GFX: %0llX\n", p->energy_gfx.raw_value);
+ outp += sprintf(outp, "Joules RAM: %0llX\n", p->energy_dram.raw_value);
+ outp += sprintf(outp, "Throttle PKG: %0llX\n", p->rapl_pkg_perf_status.raw_value);
+ outp += sprintf(outp, "Throttle RAM: %0llX\n", p->rapl_dram_perf_status.raw_value);
outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c);
for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
@@ -1805,6 +1995,23 @@ int dump_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p
return 0;
}
+double rapl_counter_get_value(const struct rapl_counter *c, enum rapl_unit desired_unit, double interval)
+{
+ assert(desired_unit != RAPL_UNIT_INVALID);
+
+ /*
+ * For now we don't expect anything other than joules,
+ * so just simplify the logic.
+ */
+ assert(c->unit == RAPL_UNIT_JOULES);
+
+ const double scaled = c->raw_value * c->scale;
+
+ if (desired_unit == RAPL_UNIT_WATTS)
+ return scaled / interval;
+ return scaled;
+}
+
/*
* column formatting convention & formats
*/
@@ -1998,9 +2205,11 @@ int format_counters(struct thread_data *t, struct core_data *c, struct pkg_data
if (DO_BIC(BIC_CorWatt) && platform->has_per_core_rapl)
outp +=
- sprintf(outp, fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units / interval_float);
+ sprintf(outp, fmt8, (printed++ ? delim : ""),
+ rapl_counter_get_value(&c->core_energy, RAPL_UNIT_WATTS, interval_float));
if (DO_BIC(BIC_Cor_J) && platform->has_per_core_rapl)
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units);
+ outp += sprintf(outp, fmt8, (printed++ ? delim : ""),
+ rapl_counter_get_value(&c->core_energy, RAPL_UNIT_JOULES, interval_float));
/* print per-package data only for 1st core in package */
if (!is_cpu_first_core_in_package(t, c, p))
@@ -2072,34 +2281,40 @@ int format_counters(struct thread_data *t, struct core_data *c, struct pkg_data
if (DO_BIC(BIC_PkgWatt))
outp +=
- sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units / interval_float);
-
+ sprintf(outp, fmt8, (printed++ ? delim : ""),
+ rapl_counter_get_value(&p->energy_pkg, RAPL_UNIT_WATTS, interval_float));
if (DO_BIC(BIC_CorWatt) && !platform->has_per_core_rapl)
outp +=
- sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units / interval_float);
+ sprintf(outp, fmt8, (printed++ ? delim : ""),
+ rapl_counter_get_value(&p->energy_cores, RAPL_UNIT_WATTS, interval_float));
if (DO_BIC(BIC_GFXWatt))
outp +=
- sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units / interval_float);
+ sprintf(outp, fmt8, (printed++ ? delim : ""),
+ rapl_counter_get_value(&p->energy_gfx, RAPL_UNIT_WATTS, interval_float));
if (DO_BIC(BIC_RAMWatt))
outp +=
sprintf(outp, fmt8, (printed++ ? delim : ""),
- p->energy_dram * rapl_dram_energy_units / interval_float);
+ rapl_counter_get_value(&p->energy_dram, RAPL_UNIT_WATTS, interval_float));
if (DO_BIC(BIC_Pkg_J))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units);
+ outp += sprintf(outp, fmt8, (printed++ ? delim : ""),
+ rapl_counter_get_value(&p->energy_pkg, RAPL_UNIT_JOULES, interval_float));
if (DO_BIC(BIC_Cor_J) && !platform->has_per_core_rapl)
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units);
+ outp += sprintf(outp, fmt8, (printed++ ? delim : ""),
+ rapl_counter_get_value(&p->energy_cores, RAPL_UNIT_JOULES, interval_float));
if (DO_BIC(BIC_GFX_J))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units);
+ outp += sprintf(outp, fmt8, (printed++ ? delim : ""),
+ rapl_counter_get_value(&p->energy_gfx, RAPL_UNIT_JOULES, interval_float));
if (DO_BIC(BIC_RAM_J))
- outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_dram * rapl_dram_energy_units);
+ outp += sprintf(outp, fmt8, (printed++ ? delim : ""),
+ rapl_counter_get_value(&p->energy_dram, RAPL_UNIT_JOULES, interval_float));
if (DO_BIC(BIC_PKG__))
outp +=
sprintf(outp, fmt8, (printed++ ? delim : ""),
- 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
+ rapl_counter_get_value(&p->rapl_pkg_perf_status, RAPL_UNIT_WATTS, interval_float));
if (DO_BIC(BIC_RAM__))
outp +=
sprintf(outp, fmt8, (printed++ ? delim : ""),
- 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
+ rapl_counter_get_value(&p->rapl_dram_perf_status, RAPL_UNIT_WATTS, interval_float));
/* UncMHz */
if (DO_BIC(BIC_UNCORE_MHZ))
outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->uncore_mhz);
@@ -2208,12 +2423,13 @@ int delta_package(struct pkg_data *new, struct pkg_data *old)
old->gfx_mhz = new->gfx_mhz;
old->gfx_act_mhz = new->gfx_act_mhz;
- old->energy_pkg = new->energy_pkg - old->energy_pkg;
- old->energy_cores = new->energy_cores - old->energy_cores;
- old->energy_gfx = new->energy_gfx - old->energy_gfx;
- old->energy_dram = new->energy_dram - old->energy_dram;
- old->rapl_pkg_perf_status = new->rapl_pkg_perf_status - old->rapl_pkg_perf_status;
- old->rapl_dram_perf_status = new->rapl_dram_perf_status - old->rapl_dram_perf_status;
+ old->energy_pkg.raw_value = new->energy_pkg.raw_value - old->energy_pkg.raw_value;
+ old->energy_cores.raw_value = new->energy_cores.raw_value - old->energy_cores.raw_value;
+ old->energy_gfx.raw_value = new->energy_gfx.raw_value - old->energy_gfx.raw_value;
+ old->energy_dram.raw_value = new->energy_dram.raw_value - old->energy_dram.raw_value;
+ old->rapl_pkg_perf_status.raw_value = new->rapl_pkg_perf_status.raw_value - old->rapl_pkg_perf_status.raw_value;
+ old->rapl_dram_perf_status.raw_value =
+ new->rapl_dram_perf_status.raw_value - old->rapl_dram_perf_status.raw_value;
for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
if (mp->format == FORMAT_RAW)
@@ -2237,7 +2453,7 @@ void delta_core(struct core_data *new, struct core_data *old)
old->core_throt_cnt = new->core_throt_cnt;
old->mc6_us = new->mc6_us - old->mc6_us;
- DELTA_WRAP32(new->core_energy, old->core_energy);
+ DELTA_WRAP32(new->core_energy.raw_value, old->core_energy.raw_value);
for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
if (mp->format == FORMAT_RAW)
@@ -2364,6 +2580,13 @@ int delta_cpu(struct thread_data *t, struct core_data *c,
return retval;
}
+void rapl_counter_clear(struct rapl_counter *c)
+{
+ c->raw_value = 0;
+ c->scale = 0.0;
+ c->unit = RAPL_UNIT_INVALID;
+}
+
void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
int i;
@@ -2391,7 +2614,7 @@ void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data
c->c7 = 0;
c->mc6_us = 0;
c->core_temp_c = 0;
- c->core_energy = 0;
+ rapl_counter_clear(&c->core_energy);
c->core_throt_cnt = 0;
p->pkg_wtd_core_c0 = 0;
@@ -2412,12 +2635,12 @@ void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data
p->cpu_lpi = 0;
p->sys_lpi = 0;
- p->energy_pkg = 0;
- p->energy_dram = 0;
- p->energy_cores = 0;
- p->energy_gfx = 0;
- p->rapl_pkg_perf_status = 0;
- p->rapl_dram_perf_status = 0;
+ rapl_counter_clear(&p->energy_pkg);
+ rapl_counter_clear(&p->energy_dram);
+ rapl_counter_clear(&p->energy_cores);
+ rapl_counter_clear(&p->energy_gfx);
+ rapl_counter_clear(&p->rapl_pkg_perf_status);
+ rapl_counter_clear(&p->rapl_dram_perf_status);
p->pkg_temp_c = 0;
p->gfx_rc6_ms = 0;
@@ -2434,6 +2657,20 @@ void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data
p->counter[i] = 0;
}
+void rapl_counter_accumulate(struct rapl_counter *dst, const struct rapl_counter *src)
+{
+ /* Copy unit and scale from src if dst is not initialized */
+ if (dst->unit == RAPL_UNIT_INVALID) {
+ dst->unit = src->unit;
+ dst->scale = src->scale;
+ }
+
+ assert(dst->unit == src->unit);
+ assert(dst->scale == src->scale);
+
+ dst->raw_value += src->raw_value;
+}
+
int sum_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
int i;
@@ -2480,7 +2717,7 @@ int sum_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c);
average.cores.core_throt_cnt = MAX(average.cores.core_throt_cnt, c->core_throt_cnt);
- average.cores.core_energy += c->core_energy;
+ rapl_counter_accumulate(&average.cores.core_energy, &c->core_energy);
for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
if (mp->format == FORMAT_RAW)
@@ -2515,10 +2752,10 @@ int sum_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
average.packages.cpu_lpi = p->cpu_lpi;
average.packages.sys_lpi = p->sys_lpi;
- average.packages.energy_pkg += p->energy_pkg;
- average.packages.energy_dram += p->energy_dram;
- average.packages.energy_cores += p->energy_cores;
- average.packages.energy_gfx += p->energy_gfx;
+ rapl_counter_accumulate(&average.packages.energy_pkg, &p->energy_pkg);
+ rapl_counter_accumulate(&average.packages.energy_dram, &p->energy_dram);
+ rapl_counter_accumulate(&average.packages.energy_cores, &p->energy_cores);
+ rapl_counter_accumulate(&average.packages.energy_gfx, &p->energy_gfx);
average.packages.gfx_rc6_ms = p->gfx_rc6_ms;
average.packages.uncore_mhz = p->uncore_mhz;
@@ -2527,8 +2764,8 @@ int sum_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c);
- average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status;
- average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status;
+ rapl_counter_accumulate(&average.packages.rapl_pkg_perf_status, &p->rapl_pkg_perf_status);
+ rapl_counter_accumulate(&average.packages.rapl_dram_perf_status, &p->rapl_dram_perf_status);
for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
if ((mp->format == FORMAT_RAW) && (topo.num_packages == 0))
@@ -2797,25 +3034,53 @@ struct amperf_group_fd {
int mperf;
};
-static unsigned int read_perf_counter_info(const char *const path, const char *const parse_format)
+static int read_perf_counter_info(const char *const path, const char *const parse_format, void *value_ptr)
{
int fdmt;
- char buf[16];
- unsigned int v;
+ int bytes_read;
+ char buf[64];
+ int ret = -1;
fdmt = open(path, O_RDONLY, 0);
- if (fdmt == -1)
- errx(1, "Failed to read perf counter info %s\n", path);
+ if (fdmt == -1) {
+ if (debug)
+ fprintf(stderr, "Failed to parse perf counter info %s\n", path);
+ ret = -1;
+ goto cleanup_and_exit;
+ }
- if (read(fdmt, buf, sizeof(buf)) <= 0)
- return 0;
+ bytes_read = read(fdmt, buf, sizeof(buf) - 1);
+ if (bytes_read <= 0 || bytes_read >= (int)sizeof(buf)) {
+ if (debug)
+ fprintf(stderr, "Failed to parse perf counter info %s\n", path);
+ ret = -1;
+ goto cleanup_and_exit;
+ }
- buf[sizeof(buf) - 1] = '\0';
+ buf[bytes_read] = '\0';
- if (sscanf(buf, parse_format, &v) != 1)
- errx(1, "Failed to parse perf counter info %s\n", path);
+ if (sscanf(buf, parse_format, value_ptr) != 1) {
+ if (debug)
+ fprintf(stderr, "Failed to parse perf counter info %s\n", path);
+ ret = -1;
+ goto cleanup_and_exit;
+ }
+ ret = 0;
+
+cleanup_and_exit:
close(fdmt);
+ return ret;
+}
+
+static unsigned int read_perf_counter_info_n(const char *const path, const char *const parse_format)
+{
+ unsigned int v;
+ int status;
+
+ status = read_perf_counter_info(path, parse_format, &v);
+ if (status)
+ v = -1;
return v;
}
@@ -2825,7 +3090,7 @@ static unsigned read_msr_type(void)
const char *const path = "/sys/bus/event_source/devices/msr/type";
const char *const format = "%u";
- return read_perf_counter_info(path, format);
+ return read_perf_counter_info_n(path, format);
}
static unsigned read_aperf_config(void)
@@ -2833,7 +3098,7 @@ static unsigned read_aperf_config(void)
const char *const path = "/sys/bus/event_source/devices/msr/events/aperf";
const char *const format = "event=%x";
- return read_perf_counter_info(path, format);
+ return read_perf_counter_info_n(path, format);
}
static unsigned read_mperf_config(void)
@@ -2841,7 +3106,60 @@ static unsigned read_mperf_config(void)
const char *const path = "/sys/bus/event_source/devices/msr/events/mperf";
const char *const format = "event=%x";
- return read_perf_counter_info(path, format);
+ return read_perf_counter_info_n(path, format);
+}
+
+static unsigned read_perf_type(const char *subsys)
+{
+ const char *const path_format = "/sys/bus/event_source/devices/%s/type";
+ const char *const format = "%u";
+ char path[128];
+
+ snprintf(path, sizeof(path), path_format, subsys);
+
+ return read_perf_counter_info_n(path, format);
+}
+
+static unsigned read_rapl_config(const char *subsys, const char *event_name)
+{
+ const char *const path_format = "/sys/bus/event_source/devices/%s/events/%s";
+ const char *const format = "event=%x";
+ char path[128];
+
+ snprintf(path, sizeof(path), path_format, subsys, event_name);
+
+ return read_perf_counter_info_n(path, format);
+}
+
+static unsigned read_perf_rapl_unit(const char *subsys, const char *event_name)
+{
+ const char *const path_format = "/sys/bus/event_source/devices/%s/events/%s.unit";
+ const char *const format = "%s";
+ char path[128];
+ char unit_buffer[16];
+
+ snprintf(path, sizeof(path), path_format, subsys, event_name);
+
+ read_perf_counter_info(path, format, &unit_buffer);
+ if (strcmp("Joules", unit_buffer) == 0)
+ return RAPL_UNIT_JOULES;
+
+ return RAPL_UNIT_INVALID;
+}
+
+static double read_perf_rapl_scale(const char *subsys, const char *event_name)
+{
+ const char *const path_format = "/sys/bus/event_source/devices/%s/events/%s.scale";
+ const char *const format = "%lf";
+ char path[128];
+ double scale;
+
+ snprintf(path, sizeof(path), path_format, subsys, event_name);
+
+ if (read_perf_counter_info(path, format, &scale))
+ return 0.0;
+
+ return scale;
}
static struct amperf_group_fd open_amperf_fd(int cpu)
@@ -2961,6 +3279,99 @@ static int read_aperf_mperf_tsc_msr(struct thread_data *t, int cpu)
return 0;
}
+size_t rapl_counter_info_count_perf(const struct rapl_counter_info_t *rci)
+{
+ size_t ret = 0;
+
+ for (int i = 0; i < NUM_RAPL_COUNTERS; ++i)
+ if (rci->source[i] == RAPL_SOURCE_PERF)
+ ++ret;
+
+ return ret;
+}
+
+void write_rapl_counter(struct rapl_counter *rc, struct rapl_counter_info_t *rci, unsigned int idx)
+{
+ rc->raw_value = rci->data[idx];
+ rc->unit = rci->unit[idx];
+ rc->scale = rci->scale[idx];
+}
+
+int get_rapl_counters(int cpu, int domain, struct core_data *c, struct pkg_data *p)
+{
+ unsigned long long perf_data[NUM_RAPL_COUNTERS + 1];
+ struct rapl_counter_info_t *rci = &rapl_counter_info_perdomain[domain];
+
+ if (debug)
+ fprintf(stderr, "get_rapl_counters: cpu%d domain%d\n", cpu, domain);
+
+ assert(rapl_counter_info_perdomain);
+
+ /*
+ * If we have any perf counters to read, read them all now, in bulk
+ */
+ if (rci->fd_perf != -1) {
+ size_t num_perf_counters = rapl_counter_info_count_perf(rci);
+ const ssize_t expected_read_size = (num_perf_counters + 1) * sizeof(unsigned long long);
+ const ssize_t actual_read_size = read(rci->fd_perf, &perf_data[0], sizeof(perf_data));
+ if (actual_read_size != expected_read_size)
+ err(-1, "get_rapl_counters: failed to read perf_data (%zu %zu)", expected_read_size,
+ actual_read_size);
+ }
+
+ for (unsigned int i = 0, pi = 1; i < NUM_RAPL_COUNTERS; ++i) {
+ switch (rci->source[i]) {
+ case RAPL_SOURCE_NONE:
+ break;
+
+ case RAPL_SOURCE_PERF:
+ assert(pi < ARRAY_SIZE(perf_data));
+ assert(rci->fd_perf != -1);
+
+ if (debug)
+ fprintf(stderr, "Reading rapl counter via perf at %u (%llu %e %lf)\n",
+ i, perf_data[pi], rci->scale[i], perf_data[pi] * rci->scale[i]);
+
+ rci->data[i] = perf_data[pi];
+
+ ++pi;
+ break;
+
+ case RAPL_SOURCE_MSR:
+ if (debug)
+ fprintf(stderr, "Reading rapl counter via msr at %u\n", i);
+
+ assert(!no_msr);
+ if (rci->flags[i] & RAPL_COUNTER_FLAG_USE_MSR_SUM) {
+ if (get_msr_sum(cpu, rci->msr[i], &rci->data[i]))
+ return -13 - i;
+ } else {
+ if (get_msr(cpu, rci->msr[i], &rci->data[i]))
+ return -13 - i;
+ }
+
+ rci->data[i] &= rci->msr_mask[i];
+ if (rci->msr_shift[i] >= 0)
+ rci->data[i] >>= abs(rci->msr_shift[i]);
+ else
+ rci->data[i] <<= abs(rci->msr_shift[i]);
+
+ break;
+ }
+ }
+
+ _Static_assert(NUM_RAPL_COUNTERS == 7);
+ write_rapl_counter(&p->energy_pkg, rci, RAPL_RCI_INDEX_ENERGY_PKG);
+ write_rapl_counter(&p->energy_cores, rci, RAPL_RCI_INDEX_ENERGY_CORES);
+ write_rapl_counter(&p->energy_dram, rci, RAPL_RCI_INDEX_DRAM);
+ write_rapl_counter(&p->energy_gfx, rci, RAPL_RCI_INDEX_GFX);
+ write_rapl_counter(&p->rapl_pkg_perf_status, rci, RAPL_RCI_INDEX_PKG_PERF_STATUS);
+ write_rapl_counter(&p->rapl_dram_perf_status, rci, RAPL_RCI_INDEX_DRAM_PERF_STATUS);
+ write_rapl_counter(&c->core_energy, rci, RAPL_RCI_INDEX_CORE_ENERGY);
+
+ return 0;
+}
+
/*
* get_counters(...)
* migrate to cpu
@@ -2972,6 +3383,7 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
unsigned long long msr;
struct msr_counter *mp;
int i;
+ int status;
if (cpu_migrate(cpu)) {
fprintf(outf, "get_counters: Could not migrate to CPU %d\n", cpu);
@@ -3029,6 +3441,12 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
if (!is_cpu_first_thread_in_core(t, c, p))
goto done;
+ if (platform->has_per_core_rapl) {
+ status = get_rapl_counters(cpu, c->core_id, c, p);
+ if (status != 0)
+ return status;
+ }
+
if (DO_BIC(BIC_CPU_c3) || soft_c1_residency_display(BIC_CPU_c3)) {
if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
return -6;
@@ -3069,12 +3487,6 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
if (DO_BIC(BIC_CORE_THROT_CNT))
get_core_throt_cnt(cpu, &c->core_throt_cnt);
- if ((platform->rapl_msrs & RAPL_AMD_F17H) && !no_msr) {
- if (get_msr(cpu, MSR_CORE_ENERGY_STAT, &msr))
- return -14;
- c->core_energy = msr & 0xFFFFFFFF;
- }
-
for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
if (get_mp(cpu, mp, &c->counter[i]))
return -10;
@@ -3134,42 +3546,10 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
if (DO_BIC(BIC_SYS_LPI))
p->sys_lpi = cpuidle_cur_sys_lpi_us;
- if (!no_msr) {
- if (platform->rapl_msrs & RAPL_PKG) {
- if (get_msr_sum(cpu, MSR_PKG_ENERGY_STATUS, &msr))
- return -13;
- p->energy_pkg = msr;
- }
- if (platform->rapl_msrs & RAPL_CORE_ENERGY_STATUS) {
- if (get_msr_sum(cpu, MSR_PP0_ENERGY_STATUS, &msr))
- return -14;
- p->energy_cores = msr;
- }
- if (platform->rapl_msrs & RAPL_DRAM) {
- if (get_msr_sum(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
- return -15;
- p->energy_dram = msr;
- }
- if (platform->rapl_msrs & RAPL_GFX) {
- if (get_msr_sum(cpu, MSR_PP1_ENERGY_STATUS, &msr))
- return -16;
- p->energy_gfx = msr;
- }
- if (platform->rapl_msrs & RAPL_PKG_PERF_STATUS) {
- if (get_msr_sum(cpu, MSR_PKG_PERF_STATUS, &msr))
- return -16;
- p->rapl_pkg_perf_status = msr;
- }
- if (platform->rapl_msrs & RAPL_DRAM_PERF_STATUS) {
- if (get_msr_sum(cpu, MSR_DRAM_PERF_STATUS, &msr))
- return -16;
- p->rapl_dram_perf_status = msr;
- }
- if (platform->rapl_msrs & RAPL_AMD_F17H) {
- if (get_msr_sum(cpu, MSR_PKG_ENERGY_STAT, &msr))
- return -13;
- p->energy_pkg = msr;
- }
+ if (!platform->has_per_core_rapl) {
+ status = get_rapl_counters(cpu, p->package_id, c, p);
+ if (status != 0)
+ return status;
}
if (DO_BIC(BIC_PkgTmp)) {
@@ -3714,6 +4094,21 @@ void free_fd_instr_count_percpu(void)
fd_instr_count_percpu = NULL;
}
+void free_fd_rapl_percpu(void)
+{
+ if (!rapl_counter_info_perdomain)
+ return;
+
+ const int num_domains = platform->has_per_core_rapl ? topo.num_cores : topo.num_packages;
+
+ for (int domain_id = 0; domain_id < num_domains; ++domain_id) {
+ if (rapl_counter_info_perdomain[domain_id].fd_perf != -1)
+ close(rapl_counter_info_perdomain[domain_id].fd_perf);
+ }
+
+ free(rapl_counter_info_perdomain);
+}
+
void free_all_buffers(void)
{
int i;
@@ -3757,6 +4152,7 @@ void free_all_buffers(void)
free_fd_percpu();
free_fd_instr_count_percpu();
free_fd_amperf_percpu();
+ free_fd_rapl_percpu();
free(irq_column_2_cpu);
free(irqs_per_cpu);
@@ -4091,12 +4487,14 @@ static void update_effective_set(bool startup)
}
void linux_perf_init(void);
+void rapl_perf_init(void);
void re_initialize(void)
{
free_all_buffers();
setup_all_buffers(false);
linux_perf_init();
+ rapl_perf_init();
fprintf(outf, "turbostat: re-initialized with num_cpus %d, allowed_cpus %d\n", topo.num_cpus,
topo.allowed_cpus);
}
@@ -5315,31 +5713,18 @@ void rapl_probe_intel(void)
unsigned long long msr;
unsigned int time_unit;
double tdp;
+ const unsigned long long bic_watt_bits = BIC_PkgWatt | BIC_CorWatt | BIC_RAMWatt | BIC_GFXWatt;
+ const unsigned long long bic_joules_bits = BIC_Pkg_J | BIC_Cor_J | BIC_RAM_J | BIC_GFX_J;
- if (rapl_joules) {
- if (platform->rapl_msrs & RAPL_PKG_ENERGY_STATUS)
- BIC_PRESENT(BIC_Pkg_J);
- if (platform->rapl_msrs & RAPL_CORE_ENERGY_STATUS)
- BIC_PRESENT(BIC_Cor_J);
- if (platform->rapl_msrs & RAPL_DRAM_ENERGY_STATUS)
- BIC_PRESENT(BIC_RAM_J);
- if (platform->rapl_msrs & RAPL_GFX_ENERGY_STATUS)
- BIC_PRESENT(BIC_GFX_J);
- } else {
- if (platform->rapl_msrs & RAPL_PKG_ENERGY_STATUS)
- BIC_PRESENT(BIC_PkgWatt);
- if (platform->rapl_msrs & RAPL_CORE_ENERGY_STATUS)
- BIC_PRESENT(BIC_CorWatt);
- if (platform->rapl_msrs & RAPL_DRAM_ENERGY_STATUS)
- BIC_PRESENT(BIC_RAMWatt);
- if (platform->rapl_msrs & RAPL_GFX_ENERGY_STATUS)
- BIC_PRESENT(BIC_GFXWatt);
- }
+ if (rapl_joules)
+ bic_enabled &= ~bic_watt_bits;
+ else
+ bic_enabled &= ~bic_joules_bits;
- if (platform->rapl_msrs & RAPL_PKG_PERF_STATUS)
- BIC_PRESENT(BIC_PKG__);
- if (platform->rapl_msrs & RAPL_DRAM_PERF_STATUS)
- BIC_PRESENT(BIC_RAM__);
+ if (!(platform->rapl_msrs & RAPL_PKG_PERF_STATUS))
+ bic_enabled &= ~BIC_PKG__;
+ if (!(platform->rapl_msrs & RAPL_DRAM_PERF_STATUS))
+ bic_enabled &= ~BIC_RAM__;
/* units on package 0, verify later other packages match */
if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr))
@@ -5373,14 +5758,13 @@ void rapl_probe_amd(void)
{
unsigned long long msr;
double tdp;
+ const unsigned long long bic_watt_bits = BIC_PkgWatt | BIC_CorWatt;
+ const unsigned long long bic_joules_bits = BIC_Pkg_J | BIC_Cor_J;
- if (rapl_joules) {
- BIC_PRESENT(BIC_Pkg_J);
- BIC_PRESENT(BIC_Cor_J);
- } else {
- BIC_PRESENT(BIC_PkgWatt);
- BIC_PRESENT(BIC_CorWatt);
- }
+ if (rapl_joules)
+ bic_enabled &= ~bic_watt_bits;
+ else
+ bic_enabled &= ~bic_joules_bits;
if (get_msr(base_cpu, MSR_RAPL_PWR_UNIT, &msr))
return;
@@ -5885,6 +6269,48 @@ bool is_aperf_access_required(void)
|| BIC_IS_ENABLED(BIC_IPC);
}
+int add_rapl_perf_counter_(int cpu, struct rapl_counter_info_t *rci, const struct rapl_counter_arch_info *cai,
+ double *scale_, enum rapl_unit *unit_)
+{
+ if (no_perf)
+ return -1;
+
+ const double scale = read_perf_rapl_scale(cai->perf_subsys, cai->perf_name);
+ if (scale == 0.0)
+ return -1;
+
+ const enum rapl_unit unit = read_perf_rapl_unit(cai->perf_subsys, cai->perf_name);
+ if (unit == RAPL_UNIT_INVALID)
+ return -1;
+
+ const unsigned rapl_type = read_perf_type(cai->perf_subsys);
+ const unsigned rapl_energy_pkg_config = read_rapl_config(cai->perf_subsys, cai->perf_name);
+
+ const int fd_counter =
+ open_perf_counter(cpu, rapl_type, rapl_energy_pkg_config, rci->fd_perf, PERF_FORMAT_GROUP);
+ if (fd_counter == -1)
+ return -1;
+
+ /* If it's the first counter opened, make it a group descriptor */
+ if (rci->fd_perf == -1)
+ rci->fd_perf = fd_counter;
+
+ *scale_ = scale;
+ *unit_ = unit;
+ return fd_counter;
+}
+
+int add_rapl_perf_counter(int cpu, struct rapl_counter_info_t *rci, const struct rapl_counter_arch_info *cai,
+ double *scale, enum rapl_unit *unit)
+{
+ int ret = add_rapl_perf_counter_(cpu, rci, cai, scale, unit);
+
+ if (debug)
+ fprintf(stderr, "add_rapl_perf_counter: %d (cpu: %d)\n", ret, cpu);
+
+ return ret;
+}
+
/*
* Linux-perf manages the HW instructions-retired counter
* by enabling when requested, and hiding rollover
@@ -5908,17 +6334,101 @@ void linux_perf_init(void)
}
}
-static int has_amperf_access_via_msr(void)
+void rapl_perf_init(void)
{
- unsigned long long dummy;
+ const int num_domains = platform->has_per_core_rapl ? topo.num_cores : topo.num_packages;
+ bool *domain_visited = calloc(num_domains, sizeof(bool));
+
+ rapl_counter_info_perdomain = calloc(num_domains, sizeof(*rapl_counter_info_perdomain));
+ if (rapl_counter_info_perdomain == NULL)
+ err(-1, "calloc rapl_counter_info_percpu");
+ /*
+ * Initialize rapl_counter_info_percpu
+ */
+ for (int domain_id = 0; domain_id < num_domains; ++domain_id) {
+ struct rapl_counter_info_t *rci = &rapl_counter_info_perdomain[domain_id];
+ rci->fd_perf = -1;
+ for (size_t i = 0; i < NUM_RAPL_COUNTERS; ++i) {
+ rci->data[i] = 0;
+ rci->source[i] = RAPL_SOURCE_NONE;
+ }
+ }
+
+ /*
+ * Open/probe the counters
+ * If can't get it via perf, fallback to MSR
+ */
+ for (size_t i = 0; i < ARRAY_SIZE(rapl_counter_arch_infos); ++i) {
+
+ const struct rapl_counter_arch_info *const cai = &rapl_counter_arch_infos[i];
+ bool has_counter = 0;
+ double scale;
+ enum rapl_unit unit;
+ int next_domain;
+
+ memset(domain_visited, 0, num_domains * sizeof(*domain_visited));
+
+ for (int cpu = 0; cpu < topo.max_cpu_num + 1; ++cpu) {
+
+ if (cpu_is_not_allowed(cpu))
+ continue;
+
+ /* Skip already seen and handled RAPL domains */
+ next_domain =
+ platform->has_per_core_rapl ? cpus[cpu].physical_core_id : cpus[cpu].physical_package_id;
+
+ if (domain_visited[next_domain])
+ continue;
+
+ domain_visited[next_domain] = 1;
+
+ struct rapl_counter_info_t *rci = &rapl_counter_info_perdomain[next_domain];
+
+ /* Check if the counter is enabled and accessible */
+ if (BIC_IS_ENABLED(cai->bic) && (platform->rapl_msrs & cai->feature_mask)) {
+
+ /* Use perf API for this counter */
+ if (!no_perf && cai->perf_name
+ && add_rapl_perf_counter(cpu, rci, cai, &scale, &unit) != -1) {
+ rci->source[cai->rci_index] = RAPL_SOURCE_PERF;
+ rci->scale[cai->rci_index] = scale * cai->compat_scale;
+ rci->unit[cai->rci_index] = unit;
+ rci->flags[cai->rci_index] = cai->flags;
+
+ /* Use MSR for this counter */
+ } else if (!no_msr && cai->msr && probe_msr(cpu, cai->msr) == 0) {
+ rci->source[cai->rci_index] = RAPL_SOURCE_MSR;
+ rci->msr[cai->rci_index] = cai->msr;
+ rci->msr_mask[cai->rci_index] = cai->msr_mask;
+ rci->msr_shift[cai->rci_index] = cai->msr_shift;
+ rci->unit[cai->rci_index] = RAPL_UNIT_JOULES;
+ rci->scale[cai->rci_index] = *cai->platform_rapl_msr_scale * cai->compat_scale;
+ rci->flags[cai->rci_index] = cai->flags;
+ }
+ }
+
+ if (rci->source[cai->rci_index] != RAPL_SOURCE_NONE)
+ has_counter = 1;
+ }
+
+ /* If any CPU has access to the counter, make it present */
+ if (has_counter)
+ BIC_PRESENT(cai->bic);
+ }
+
+ free(domain_visited);
+}
+
+static int has_amperf_access_via_msr(void)
+{
if (no_msr)
return 0;
- if (get_msr(base_cpu, MSR_IA32_APERF, &dummy))
+ if (probe_msr(base_cpu, MSR_IA32_APERF))
return 0;
- if (get_msr(base_cpu, MSR_IA32_MPERF, &dummy))
+ if (probe_msr(base_cpu, MSR_IA32_MPERF))
return 0;
return 1;
@@ -6696,6 +7206,7 @@ bool is_msr_access_required(void)
|| BIC_IS_ENABLED(BIC_Pkgpc8)
|| BIC_IS_ENABLED(BIC_Pkgpc9)
|| BIC_IS_ENABLED(BIC_Pkgpc10)
+ /* TODO: Multiplex access with perf */
|| BIC_IS_ENABLED(BIC_CorWatt)
|| BIC_IS_ENABLED(BIC_Cor_J)
|| BIC_IS_ENABLED(BIC_PkgWatt)
@@ -6749,6 +7260,7 @@ void turbostat_init()
probe_pm_features();
set_amperf_source();
linux_perf_init();
+ rapl_perf_init();
for_all_cpus(get_cpu_type, ODD_COUNTERS);
for_all_cpus(get_cpu_type, EVEN_COUNTERS);
--
GitLab
From 17d1ea136be86f53be0461b0c33daf6b58e6cbf7 Mon Sep 17 00:00:00 2001
From: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Date: Thu, 7 Mar 2024 17:00:35 +0100
Subject: [PATCH 2329/2686] tools/power turbostat: Add selftests
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
.../testing/selftests/turbostat/defcolumns.py | 59 +++++++++++++++++++
1 file changed, 59 insertions(+)
create mode 100755 tools/testing/selftests/turbostat/defcolumns.py
diff --git a/tools/testing/selftests/turbostat/defcolumns.py b/tools/testing/selftests/turbostat/defcolumns.py
new file mode 100755
index 0000000000000..70d3b7780311e
--- /dev/null
+++ b/tools/testing/selftests/turbostat/defcolumns.py
@@ -0,0 +1,59 @@
+#!/bin/env python3
+
+import subprocess
+from shutil import which
+
+turbostat = which('turbostat')
+if turbostat is None:
+ print('Could not find turbostat binary')
+ exit(1)
+
+timeout = which('timeout')
+if timeout is None:
+ print('Could not find timeout binary')
+ exit(1)
+
+proc_turbostat = subprocess.run([turbostat, '--list'], capture_output = True)
+if proc_turbostat.returncode != 0:
+ print(f'turbostat failed with {proc_turbostat.returncode}')
+ exit(1)
+
+#
+# By default --list reports also "usec" and "Time_Of_Day_Seconds" columns
+# which are only visible when running with --debug.
+#
+expected_columns_debug = proc_turbostat.stdout.replace(b',', b'\t').strip()
+expected_columns = expected_columns_debug.replace(b'usec\t', b'').replace(b'Time_Of_Day_Seconds\t', b'').replace(b'X2APIC\t', b'').replace(b'APIC\t', b'')
+
+#
+# Run turbostat with no options for 10 seconds and send SIGINT
+#
+timeout_argv = [timeout, '--preserve-status', '-s', 'SIGINT', '-k', '3', '1s']
+turbostat_argv = [turbostat, '-i', '0.250']
+
+print(f'Running turbostat with {turbostat_argv=}... ', end = '', flush = True)
+proc_turbostat = subprocess.run(timeout_argv + turbostat_argv, capture_output = True)
+if proc_turbostat.returncode != 0:
+ print(f'turbostat failed with {proc_turbostat.returncode}')
+ exit(1)
+actual_columns = proc_turbostat.stdout.split(b'\n')[0]
+if expected_columns != actual_columns:
+ print(f'turbostat column check failed\n{expected_columns=}\n{actual_columns=}')
+ exit(1)
+print('OK')
+
+#
+# Same, but with --debug
+#
+turbostat_argv.append('--debug')
+
+print(f'Running turbostat with {turbostat_argv=}... ', end = '', flush = True)
+proc_turbostat = subprocess.run(timeout_argv + turbostat_argv, capture_output = True)
+if proc_turbostat.returncode != 0:
+ print(f'turbostat failed with {proc_turbostat.returncode}')
+ exit(1)
+actual_columns = proc_turbostat.stdout.split(b'\n')[0]
+if expected_columns_debug != actual_columns:
+ print(f'turbostat column check failed\n{expected_columns_debug=}\n{actual_columns=}')
+ exit(1)
+print('OK')
--
GitLab
From bb5db22c13125b38b0740e19c18ae94f8e5a0eb6 Mon Sep 17 00:00:00 2001
From: Zhang Rui <rui.zhang@intel.com>
Date: Tue, 12 Mar 2024 11:19:15 +0800
Subject: [PATCH 2330/2686] tools/power/turbostat: Enable MSR_CORE_C1_RES
support for ICX
Enable Core C1 hardware residency counter (MSR_CORE_C1_RES) on ICX.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 283dffb987b59..372f67a70d8ab 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -664,6 +664,7 @@ static const struct platform_features icx_features = {
.bclk_freq = BCLK_100MHZ,
.supported_cstates = CC1 | CC6 | PC2 | PC6,
.cst_limit = CST_LIMIT_ICX,
+ .has_msr_core_c1_res = 1,
.has_irtl_msrs = 1,
.has_cst_prewake_bit = 1,
.trl_msrs = TRL_BASE | TRL_CORECOUNT,
--
GitLab
From 4e2bbbf78cf7144204214fd0bd7cca309acd8f89 Mon Sep 17 00:00:00 2001
From: Zhang Rui <rui.zhang@intel.com>
Date: Tue, 12 Mar 2024 14:23:37 +0800
Subject: [PATCH 2331/2686] tools/power/turbostat: Cache graphics sysfs path
Graphics drivers (i915/Xe) have different sysfs knobs on different
platforms, and it is possible that different sysfs knobs fit into the
same turbostat columns.
Instead of specifying different sysfs knobs every time, detect them
once and cache the path for future use.
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 45 +++++++++++++++++++--------
1 file changed, 32 insertions(+), 13 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 372f67a70d8ab..78db4f65a2374 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -276,6 +276,19 @@ bool no_msr;
bool no_perf;
enum amperf_source amperf_source;
+enum gfx_sysfs_idx {
+ GFX_rc6,
+ GFX_MHz,
+ GFX_ACTMHz,
+ GFX_MAX
+};
+
+struct gfx_sysfs_info {
+ const char *path;
+};
+
+static struct gfx_sysfs_info gfx_info[GFX_MAX];
+
int get_msr(int cpu, off_t offset, unsigned long long *msr);
/* Model specific support Start */
@@ -4620,7 +4633,7 @@ int snapshot_gfx_rc6_ms(void)
FILE *fp;
int retval;
- fp = fopen_or_die("/sys/class/drm/card0/power/rc6_residency_ms", "r");
+ fp = fopen_or_die(gfx_info[GFX_rc6].path, "r");
retval = fscanf(fp, "%lld", &gfx_cur_rc6_ms);
if (retval != 1)
@@ -4645,9 +4658,7 @@ int snapshot_gfx_mhz(void)
int retval;
if (fp == NULL) {
- fp = fopen("/sys/class/drm/card0/gt_cur_freq_mhz", "r");
- if (!fp)
- fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r");
+ fp = fopen_or_die(gfx_info[GFX_MHz].path, "r");
} else {
rewind(fp);
fflush(fp);
@@ -4674,9 +4685,7 @@ int snapshot_gfx_act_mhz(void)
int retval;
if (fp == NULL) {
- fp = fopen("/sys/class/drm/card0/gt_act_freq_mhz", "r");
- if (!fp)
- fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz", "r");
+ fp = fopen_or_die(gfx_info[GFX_ACTMHz].path, "r");
} else {
rewind(fp);
fflush(fp);
@@ -5338,14 +5347,24 @@ static void probe_intel_uncore_frequency(void)
static void probe_graphics(void)
{
if (!access("/sys/class/drm/card0/power/rc6_residency_ms", R_OK))
- BIC_PRESENT(BIC_GFX_rc6);
+ gfx_info[GFX_rc6].path = "/sys/class/drm/card0/power/rc6_residency_ms";
- if (!access("/sys/class/drm/card0/gt_cur_freq_mhz", R_OK) ||
- !access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK))
- BIC_PRESENT(BIC_GFXMHz);
+ if (!access("/sys/class/drm/card0/gt_cur_freq_mhz", R_OK))
+ gfx_info[GFX_MHz].path = "/sys/class/drm/card0/gt_cur_freq_mhz";
+ else if (!access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK))
+ gfx_info[GFX_MHz].path = "/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz";
+
+
+ if (!access("/sys/class/drm/card0/gt_act_freq_mhz", R_OK))
+ gfx_info[GFX_ACTMHz].path = "/sys/class/drm/card0/gt_act_freq_mhz";
+ else if (!access("/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz", R_OK))
+ gfx_info[GFX_ACTMHz].path = "/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz";
- if (!access("/sys/class/drm/card0/gt_act_freq_mhz", R_OK) ||
- !access("/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz", R_OK))
+ if (gfx_info[GFX_rc6].path)
+ BIC_PRESENT(BIC_GFX_rc6);
+ if (gfx_info[GFX_MHz].path)
+ BIC_PRESENT(BIC_GFXMHz);
+ if (gfx_info[GFX_ACTMHz].path)
BIC_PRESENT(BIC_GFXACTMHz);
}
--
GitLab
From de39d38c06eb047954c5ad20a3f9acb6d3c78498 Mon Sep 17 00:00:00 2001
From: Zhang Rui <rui.zhang@intel.com>
Date: Wed, 13 Mar 2024 10:12:19 +0800
Subject: [PATCH 2332/2686] tools/power/turbostat: Unify graphics sysfs
snapshots
Graphics sysfs snapshots share similar logic.
Combine them into one function to avoid code duplication.
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 109 ++++++++------------------
1 file changed, 34 insertions(+), 75 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 78db4f65a2374..e5b6161fef487 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -251,11 +251,8 @@ char *output_buffer, *outp;
unsigned int do_dts;
unsigned int do_ptm;
unsigned int do_ipc;
-unsigned long long gfx_cur_rc6_ms;
unsigned long long cpuidle_cur_cpu_lpi_us;
unsigned long long cpuidle_cur_sys_lpi_us;
-unsigned int gfx_cur_mhz;
-unsigned int gfx_act_mhz;
unsigned int tj_max;
unsigned int tj_max_override;
double rapl_power_units, rapl_time_units;
@@ -285,6 +282,9 @@ enum gfx_sysfs_idx {
struct gfx_sysfs_info {
const char *path;
+ FILE *fp;
+ unsigned int val;
+ unsigned long long val_ull;
};
static struct gfx_sysfs_info gfx_info[GFX_MAX];
@@ -3573,17 +3573,17 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
}
if (DO_BIC(BIC_GFX_rc6))
- p->gfx_rc6_ms = gfx_cur_rc6_ms;
+ p->gfx_rc6_ms = gfx_info[GFX_rc6].val_ull;
/* n.b. assume die0 uncore frequency applies to whole package */
if (DO_BIC(BIC_UNCORE_MHZ))
p->uncore_mhz = get_uncore_mhz(p->package_id, 0);
if (DO_BIC(BIC_GFXMHz))
- p->gfx_mhz = gfx_cur_mhz;
+ p->gfx_mhz = gfx_info[GFX_MHz].val;
if (DO_BIC(BIC_GFXACTMHz))
- p->gfx_act_mhz = gfx_act_mhz;
+ p->gfx_act_mhz = gfx_info[GFX_ACTMHz].val;
for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
if (get_mp(cpu, mp, &p->counter[i]))
@@ -4621,81 +4621,40 @@ int snapshot_proc_interrupts(void)
}
/*
- * snapshot_gfx_rc6_ms()
+ * snapshot_graphics()
*
- * record snapshot of
- * /sys/class/drm/card0/power/rc6_residency_ms
+ * record snapshot of specified graphics sysfs knob
*
* return 1 if config change requires a restart, else return 0
*/
-int snapshot_gfx_rc6_ms(void)
+int snapshot_graphics(int idx)
{
FILE *fp;
int retval;
- fp = fopen_or_die(gfx_info[GFX_rc6].path, "r");
-
- retval = fscanf(fp, "%lld", &gfx_cur_rc6_ms);
- if (retval != 1)
- err(1, "GFX rc6");
-
- fclose(fp);
-
- return 0;
-}
-
-/*
- * snapshot_gfx_mhz()
- *
- * fall back to /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz
- * when /sys/class/drm/card0/gt_cur_freq_mhz is not available.
- *
- * return 1 if config change requires a restart, else return 0
- */
-int snapshot_gfx_mhz(void)
-{
- static FILE *fp;
- int retval;
-
- if (fp == NULL) {
- fp = fopen_or_die(gfx_info[GFX_MHz].path, "r");
- } else {
- rewind(fp);
- fflush(fp);
- }
-
- retval = fscanf(fp, "%d", &gfx_cur_mhz);
- if (retval != 1)
- err(1, "GFX MHz");
-
- return 0;
-}
-
-/*
- * snapshot_gfx_cur_mhz()
- *
- * fall back to /sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz
- * when /sys/class/drm/card0/gt_act_freq_mhz is not available.
- *
- * return 1 if config change requires a restart, else return 0
- */
-int snapshot_gfx_act_mhz(void)
-{
- static FILE *fp;
- int retval;
-
- if (fp == NULL) {
- fp = fopen_or_die(gfx_info[GFX_ACTMHz].path, "r");
- } else {
- rewind(fp);
- fflush(fp);
+ switch (idx) {
+ case GFX_rc6:
+ fp = fopen_or_die(gfx_info[idx].path, "r");
+ retval = fscanf(fp, "%lld", &gfx_info[idx].val_ull);
+ if (retval != 1)
+ err(1, "rc6");
+ fclose(fp);
+ return 0;
+ case GFX_MHz:
+ case GFX_ACTMHz:
+ if (gfx_info[idx].fp == NULL) {
+ gfx_info[idx].fp = fopen_or_die(gfx_info[idx].path, "r");
+ } else {
+ rewind(gfx_info[idx].fp);
+ fflush(gfx_info[idx].fp);
+ }
+ retval = fscanf(gfx_info[idx].fp, "%d", &gfx_info[idx].val);
+ if (retval != 1)
+ err(1, "MHz");
+ return 0;
+ default:
+ return -EINVAL;
}
-
- retval = fscanf(fp, "%d", &gfx_act_mhz);
- if (retval != 1)
- err(1, "GFX ACT MHz");
-
- return 0;
}
/*
@@ -4760,13 +4719,13 @@ int snapshot_proc_sysfs_files(void)
return 1;
if (DO_BIC(BIC_GFX_rc6))
- snapshot_gfx_rc6_ms();
+ snapshot_graphics(GFX_rc6);
if (DO_BIC(BIC_GFXMHz))
- snapshot_gfx_mhz();
+ snapshot_graphics(GFX_MHz);
if (DO_BIC(BIC_GFXACTMHz))
- snapshot_gfx_act_mhz();
+ snapshot_graphics(GFX_ACTMHz);
if (DO_BIC(BIC_CPU_LPI))
snapshot_cpu_lpi_us();
--
GitLab
From 60add818ab2543b7e4f2bfeaacf2504743c1eb50 Mon Sep 17 00:00:00 2001
From: Justin Ernst <justin.ernst@hpe.com>
Date: Tue, 2 Apr 2024 13:40:29 -0400
Subject: [PATCH 2333/2686] tools/power/turbostat: Fix uncore frequency file
string
Running turbostat on a 16 socket HPE Scale-up Compute 3200 (SapphireRapids) fails with:
turbostat: /sys/devices/system/cpu/intel_uncore_frequency/package_010_die_00/current_freq_khz: open failed: No such file or directory
We observe the sysfs uncore frequency directories named:
...
package_09_die_00/
package_10_die_00/
package_11_die_00/
...
package_15_die_00/
The culprit is an incorrect sprintf format string "package_0%d_die_0%d" used
with each instance of reading uncore frequency files. uncore-frequency-common.c
creates the sysfs directory with the format "package_%02d_die_%02d". Once the
package value reaches double digits, the formats diverge.
Change each instance of "package_0%d_die_0%d" to "package_%02d_die_%02d".
[lenb: deleted the probe part of this patch, as it was already fixed]
Signed-off-by: Justin Ernst <justin.ernst@hpe.com>
Reviewed-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index e5b6161fef487..016a5c7dc9bf3 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -2939,7 +2939,7 @@ unsigned long long get_uncore_mhz(int package, int die)
{
char path[128];
- sprintf(path, "/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/current_freq_khz", package,
+ sprintf(path, "/sys/devices/system/cpu/intel_uncore_frequency/package_%02d_die_%02d/current_freq_khz", package,
die);
return (snapshot_sysfs_counter(path) / 1000);
--
GitLab
From ff81dade48608363136d52bb2493a6df76458b28 Mon Sep 17 00:00:00 2001
From: Haiyue Wang <haiyue.wang@intel.com>
Date: Wed, 10 Apr 2024 01:35:28 +0800
Subject: [PATCH 2334/2686] io-uring: correct typo in comment for
IOU_F_TWQ_LAZY_WAKE
The 'r' key is near to 't' key, that makes 'with' to be 'wirh' ? :)
Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Link: https://lore.kernel.org/r/20240409173531.846714-1-haiyue.wang@intel.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
include/linux/io_uring_types.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h
index 05df0e399d7c0..ac333ea81d319 100644
--- a/include/linux/io_uring_types.h
+++ b/include/linux/io_uring_types.h
@@ -13,7 +13,7 @@ enum {
* A hint to not wake right away but delay until there are enough of
* tw's queued to match the number of CQEs the task is waiting for.
*
- * Must not be used wirh requests generating more than one CQE.
+ * Must not be used with requests generating more than one CQE.
* It's also ignored unless IORING_SETUP_DEFER_TASKRUN is set.
*/
IOU_F_TWQ_LAZY_WAKE = 1,
--
GitLab
From 68879386180c0efd5a11e800b0525a01068c9457 Mon Sep 17 00:00:00 2001
From: Naohiro Aota <naohiro.aota@wdc.com>
Date: Tue, 26 Mar 2024 14:39:20 +0900
Subject: [PATCH 2335/2686] btrfs: zoned: do not flag ZEROOUT on non-dirty
extent buffer
Btrfs clears the content of an extent buffer marked as
EXTENT_BUFFER_ZONED_ZEROOUT before the bio submission. This mechanism is
introduced to prevent a write hole of an extent buffer, which is once
allocated, marked dirty, but turns out unnecessary and cleaned up within
one transaction operation.
Currently, btrfs_clear_buffer_dirty() marks the extent buffer as
EXTENT_BUFFER_ZONED_ZEROOUT, and skips the entry function. If this call
happens while the buffer is under IO (with the WRITEBACK flag set,
without the DIRTY flag), we can add the ZEROOUT flag and clear the
buffer's content just before a bio submission. As a result:
1) it can lead to adding faulty delayed reference item which leads to a
FS corrupted (EUCLEAN) error, and
2) it writes out cleared tree node on disk
The former issue is previously discussed in [1]. The corruption happens
when it runs a delayed reference update. So, on-disk data is safe.
[1] https://lore.kernel.org/linux-btrfs/3f4f2a0ff1a6c818050434288925bdcf3cd719e5.1709124777.git.naohiro.aota@wdc.com/
The latter one can reach on-disk data. But, as that node is already
processed by btrfs_clear_buffer_dirty(), that will be invalidated in the
next transaction commit anyway. So, the chance of hitting the corruption
is relatively small.
Anyway, we should skip flagging ZEROOUT on a non-DIRTY extent buffer, to
keep the content under IO intact.
Fixes: aa6313e6ff2b ("btrfs: zoned: don't clear dirty flag of extent buffer")
CC: stable@vger.kernel.org # 6.8
Link: https://lore.kernel.org/linux-btrfs/oadvdekkturysgfgi4qzuemd57zudeasynswurjxw3ocdfsef6@sjyufeugh63f/
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/extent_io.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 61594eaf1f896..df3fe36126f99 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4154,7 +4154,7 @@ void btrfs_clear_buffer_dirty(struct btrfs_trans_handle *trans,
* The actual zeroout of the buffer will happen later in
* btree_csum_one_bio.
*/
- if (btrfs_is_zoned(fs_info)) {
+ if (btrfs_is_zoned(fs_info) && test_bit(EXTENT_BUFFER_DIRTY, &eb->bflags)) {
set_bit(EXTENT_BUFFER_ZONED_ZEROOUT, &eb->bflags);
return;
}
--
GitLab
From 073bda7a541731f41ed08f32d286394236c74005 Mon Sep 17 00:00:00 2001
From: Naohiro Aota <naohiro.aota@wdc.com>
Date: Tue, 26 Mar 2024 14:39:21 +0900
Subject: [PATCH 2336/2686] btrfs: zoned: add ASSERT and WARN for
EXTENT_BUFFER_ZONED_ZEROOUT handling
Add an ASSERT to catch a faulty delayed reference item resulting from
prematurely cleared extent buffer.
Also, add a WARN to detect if we try to dirty a ZEROOUT buffer again, which
is suspicious as its update will be lost.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/extent-tree.c | 8 ++++++++
fs/btrfs/extent_io.c | 1 +
2 files changed, 9 insertions(+)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index beedd6ed64d39..257d044bca915 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3464,6 +3464,14 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans,
if (root_id != BTRFS_TREE_LOG_OBJECTID) {
struct btrfs_ref generic_ref = { 0 };
+ /*
+ * Assert that the extent buffer is not cleared due to
+ * EXTENT_BUFFER_ZONED_ZEROOUT. Please refer
+ * btrfs_clear_buffer_dirty() and btree_csum_one_bio() for
+ * detail.
+ */
+ ASSERT(btrfs_header_bytenr(buf) != 0);
+
btrfs_init_generic_ref(&generic_ref, BTRFS_DROP_DELAYED_REF,
buf->start, buf->len, parent,
btrfs_header_owner(buf));
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index df3fe36126f99..b18034f2ab804 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4193,6 +4193,7 @@ void set_extent_buffer_dirty(struct extent_buffer *eb)
num_folios = num_extent_folios(eb);
WARN_ON(atomic_read(&eb->refs) == 0);
WARN_ON(!test_bit(EXTENT_BUFFER_TREE_REF, &eb->bflags));
+ WARN_ON(test_bit(EXTENT_BUFFER_ZONED_ZEROOUT, &eb->bflags));
if (!was_dirty) {
bool subpage = eb->fs_info->nodesize < PAGE_SIZE;
--
GitLab
From 1db7959aacd905e6487d0478ac01d89f86eb1e51 Mon Sep 17 00:00:00 2001
From: Qu Wenruo <wqu@suse.com>
Date: Tue, 26 Mar 2024 09:16:46 +1030
Subject: [PATCH 2337/2686] btrfs: do not wait for short bulk allocation
[BUG]
There is a recent report that when memory pressure is high (including
cached pages), btrfs can spend most of its time on memory allocation in
btrfs_alloc_page_array() for compressed read/write.
[CAUSE]
For btrfs_alloc_page_array() we always go alloc_pages_bulk_array(), and
even if the bulk allocation failed (fell back to single page
allocation) we still retry but with extra memalloc_retry_wait().
If the bulk alloc only returned one page a time, we would spend a lot of
time on the retry wait.
The behavior was introduced in commit 395cb57e8560 ("btrfs: wait between
incomplete batch memory allocations").
[FIX]
Although the commit mentioned that other filesystems do the wait, it's
not the case at least nowadays.
All the mainlined filesystems only call memalloc_retry_wait() if they
failed to allocate any page (not only for bulk allocation).
If there is any progress, they won't call memalloc_retry_wait() at all.
For example, xfs_buf_alloc_pages() would only call memalloc_retry_wait()
if there is no allocation progress at all, and the call is not for
metadata readahead.
So I don't believe we should call memalloc_retry_wait() unconditionally
for short allocation.
Call memalloc_retry_wait() if it fails to allocate any page for tree
block allocation (which goes with __GFP_NOFAIL and may not need the
special handling anyway), and reduce the latency for
btrfs_alloc_page_array().
Reported-by: Julian Taylor <julian.taylor@1und1.de>
Tested-by: Julian Taylor <julian.taylor@1und1.de>
Link: https://lore.kernel.org/all/8966c095-cbe7-4d22-9784-a647d1bf27c3@1und1.de/
Fixes: 395cb57e8560 ("btrfs: wait between incomplete batch memory allocations")
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/extent_io.c | 18 ++++--------------
1 file changed, 4 insertions(+), 14 deletions(-)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index b18034f2ab804..2776112dbdf8d 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -681,31 +681,21 @@ static void end_bbio_data_read(struct btrfs_bio *bbio)
int btrfs_alloc_page_array(unsigned int nr_pages, struct page **page_array,
gfp_t extra_gfp)
{
+ const gfp_t gfp = GFP_NOFS | extra_gfp;
unsigned int allocated;
for (allocated = 0; allocated < nr_pages;) {
unsigned int last = allocated;
- allocated = alloc_pages_bulk_array(GFP_NOFS | extra_gfp,
- nr_pages, page_array);
-
- if (allocated == nr_pages)
- return 0;
-
- /*
- * During this iteration, no page could be allocated, even
- * though alloc_pages_bulk_array() falls back to alloc_page()
- * if it could not bulk-allocate. So we must be out of memory.
- */
- if (allocated == last) {
+ allocated = alloc_pages_bulk_array(gfp, nr_pages, page_array);
+ if (unlikely(allocated == last)) {
+ /* No progress, fail and do cleanup. */
for (int i = 0; i < allocated; i++) {
__free_page(page_array[i]);
page_array[i] = NULL;
}
return -ENOMEM;
}
-
- memalloc_retry_wait(GFP_NOFS);
}
return 0;
}
--
GitLab
From 60b703c71fa80de0c2e14af66e57e234019b7da2 Mon Sep 17 00:00:00 2001
From: Thorsten Blum <thorsten.blum@toblux.com>
Date: Tue, 2 Apr 2024 12:17:16 +0200
Subject: [PATCH 2338/2686] zonefs: Use str_plural() to fix Coccinelle warning
Fixes the following Coccinelle/coccicheck warning reported by
string_choices.cocci:
opportunity for str_plural(zgroup->g_nr_zones)
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
---
fs/zonefs/super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index c6a124e8d565f..964fa7f240033 100644
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -1048,7 +1048,7 @@ static int zonefs_init_zgroup(struct super_block *sb,
zonefs_info(sb, "Zone group \"%s\" has %u file%s\n",
zonefs_zgroup_name(ztype),
zgroup->g_nr_zones,
- zgroup->g_nr_zones > 1 ? "s" : "");
+ str_plural(zgroup->g_nr_zones));
return 0;
}
--
GitLab
From 9b31152fd74eeb10a20345909e542fef6f1d98e2 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 9 Apr 2024 18:50:27 -0400
Subject: [PATCH 2339/2686] bcachefs: btree_node_scan: Respect
member.data_allowed
If a device wasn't used for btree nodes, no need to scan for them.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_node_scan.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/bcachefs/btree_node_scan.c b/fs/bcachefs/btree_node_scan.c
index a7d0593b38714..556f76f5c84e1 100644
--- a/fs/bcachefs/btree_node_scan.c
+++ b/fs/bcachefs/btree_node_scan.c
@@ -216,6 +216,9 @@ static int read_btree_nodes(struct find_btree_nodes *f)
closure_init_stack(&cl);
for_each_online_member(c, ca) {
+ if (!(ca->mi.data_allowed & BIT(BCH_DATA_btree)))
+ continue;
+
struct find_btree_nodes_worker *w = kmalloc(sizeof(*w), GFP_KERNEL);
struct task_struct *t;
--
GitLab
From 6e45a30fe5e7cf5d42ac07262a3d97644f23dc68 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@kernel.org>
Date: Tue, 9 Apr 2024 23:53:00 +0000
Subject: [PATCH 2340/2686] fs/9p: remove erroneous nlink init from legacy
stat2inode
In 9p2000 legacy mode, stat2inode initializes nlink to 1,
which is redundant with what alloc_inode should have already set.
9p2000.u overrides this with extensions if present in the stat
structure, and 9p2000.L incorporates nlink into its stat structure.
At the very least this probably messes with directory nlink
accounting in legacy mode.
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
---
fs/9p/vfs_inode.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index c5b4d3631c47e..47bd77199e20c 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -1064,8 +1064,6 @@ v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
struct v9fs_session_info *v9ses = sb->s_fs_info;
struct v9fs_inode *v9inode = V9FS_I(inode);
- set_nlink(inode, 1);
-
inode_set_atime(inode, stat->atime, 0);
inode_set_mtime(inode, stat->mtime, 0);
inode_set_ctime(inode, stat->mtime, 0);
--
GitLab
From 6309863b31dd80317cd7d6824820b44e254e2a9c Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Mon, 8 Apr 2024 08:28:43 +0000
Subject: [PATCH 2341/2686] net: add copy_safe_from_sockptr() helper
copy_from_sockptr() helper is unsafe, unless callers
did the prior check against user provided optlen.
Too many callers get this wrong, lets add a helper to
fix them and avoid future copy/paste bugs.
Instead of :
if (optlen < sizeof(opt)) {
err = -EINVAL;
break;
}
if (copy_from_sockptr(&opt, optval, sizeof(opt)) {
err = -EFAULT;
break;
}
Use :
err = copy_safe_from_sockptr(&opt, sizeof(opt),
optval, optlen);
if (err)
break;
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240408082845.3957374-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
include/linux/sockptr.h | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/include/linux/sockptr.h b/include/linux/sockptr.h
index 307961b41541a..317200cd3a603 100644
--- a/include/linux/sockptr.h
+++ b/include/linux/sockptr.h
@@ -50,11 +50,36 @@ static inline int copy_from_sockptr_offset(void *dst, sockptr_t src,
return 0;
}
+/* Deprecated.
+ * This is unsafe, unless caller checked user provided optlen.
+ * Prefer copy_safe_from_sockptr() instead.
+ */
static inline int copy_from_sockptr(void *dst, sockptr_t src, size_t size)
{
return copy_from_sockptr_offset(dst, src, 0, size);
}
+/**
+ * copy_safe_from_sockptr: copy a struct from sockptr
+ * @dst: Destination address, in kernel space. This buffer must be @ksize
+ * bytes long.
+ * @ksize: Size of @dst struct.
+ * @optval: Source address. (in user or kernel space)
+ * @optlen: Size of @optval data.
+ *
+ * Returns:
+ * * -EINVAL: @optlen < @ksize
+ * * -EFAULT: access to userspace failed.
+ * * 0 : @ksize bytes were copied
+ */
+static inline int copy_safe_from_sockptr(void *dst, size_t ksize,
+ sockptr_t optval, unsigned int optlen)
+{
+ if (optlen < ksize)
+ return -EINVAL;
+ return copy_from_sockptr(dst, optval, ksize);
+}
+
static inline int copy_struct_from_sockptr(void *dst, size_t ksize,
sockptr_t src, size_t usize)
{
--
GitLab
From 138b787804f4a10417618e8d1e6e2700539fd88c Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Mon, 8 Apr 2024 08:28:44 +0000
Subject: [PATCH 2342/2686] mISDN: fix MISDN_TIME_STAMP handling
syzbot reports one unsafe call to copy_from_sockptr() [1]
Use copy_safe_from_sockptr() instead.
[1]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]
BUG: KASAN: slab-out-of-bounds in data_sock_setsockopt+0x46c/0x4cc drivers/isdn/mISDN/socket.c:417
Read of size 4 at addr ffff0000c6d54083 by task syz-executor406/6167
CPU: 1 PID: 6167 Comm: syz-executor406 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call trace:
dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:291
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:298
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x178/0x518 mm/kasan/report.c:488
kasan_report+0xd8/0x138 mm/kasan/report.c:601
__asan_report_load_n_noabort+0x1c/0x28 mm/kasan/report_generic.c:391
copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
copy_from_sockptr include/linux/sockptr.h:55 [inline]
data_sock_setsockopt+0x46c/0x4cc drivers/isdn/mISDN/socket.c:417
do_sock_setsockopt+0x2a0/0x4e0 net/socket.c:2311
__sys_setsockopt+0x128/0x1a8 net/socket.c:2334
__do_sys_setsockopt net/socket.c:2343 [inline]
__se_sys_setsockopt net/socket.c:2340 [inline]
__arm64_sys_setsockopt+0xb8/0xd4 net/socket.c:2340
__invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Fixes: 1b2b03f8e514 ("Add mISDN core files")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Cc: Karsten Keil <isdn@linux-pingi.de>
Link: https://lore.kernel.org/r/20240408082845.3957374-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/isdn/mISDN/socket.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 2776ca5fc33f3..b215b28cad7b7 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -401,23 +401,23 @@ data_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
}
static int data_sock_setsockopt(struct socket *sock, int level, int optname,
- sockptr_t optval, unsigned int len)
+ sockptr_t optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
int err = 0, opt = 0;
if (*debug & DEBUG_SOCKET)
printk(KERN_DEBUG "%s(%p, %d, %x, optval, %d)\n", __func__, sock,
- level, optname, len);
+ level, optname, optlen);
lock_sock(sk);
switch (optname) {
case MISDN_TIME_STAMP:
- if (copy_from_sockptr(&opt, optval, sizeof(int))) {
- err = -EFAULT;
+ err = copy_safe_from_sockptr(&opt, sizeof(opt),
+ optval, optlen);
+ if (err)
break;
- }
if (opt)
_pms(sk)->cmask |= MISDN_TIME_STAMP;
--
GitLab
From 7a87441c9651ba37842f4809224aca13a554a26f Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Mon, 8 Apr 2024 08:28:45 +0000
Subject: [PATCH 2343/2686] nfc: llcp: fix nfc_llcp_setsockopt() unsafe copies
syzbot reported unsafe calls to copy_from_sockptr() [1]
Use copy_safe_from_sockptr() instead.
[1]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]
BUG: KASAN: slab-out-of-bounds in nfc_llcp_setsockopt+0x6c2/0x850 net/nfc/llcp_sock.c:255
Read of size 4 at addr ffff88801caa1ec3 by task syz-executor459/5078
CPU: 0 PID: 5078 Comm: syz-executor459 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x169/0x550 mm/kasan/report.c:488
kasan_report+0x143/0x180 mm/kasan/report.c:601
copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
copy_from_sockptr include/linux/sockptr.h:55 [inline]
nfc_llcp_setsockopt+0x6c2/0x850 net/nfc/llcp_sock.c:255
do_sock_setsockopt+0x3b1/0x720 net/socket.c:2311
__sys_setsockopt+0x1ae/0x250 net/socket.c:2334
__do_sys_setsockopt net/socket.c:2343 [inline]
__se_sys_setsockopt net/socket.c:2340 [inline]
__x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340
do_syscall_64+0xfd/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f7fac07fd89
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff660eb788 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7fac07fd89
RDX: 0000000000000000 RSI: 0000000000000118 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000020000a80 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240408082845.3957374-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/nfc/llcp_sock.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c
index 819157bbb5a2c..d5344563e525c 100644
--- a/net/nfc/llcp_sock.c
+++ b/net/nfc/llcp_sock.c
@@ -252,10 +252,10 @@ static int nfc_llcp_setsockopt(struct socket *sock, int level, int optname,
break;
}
- if (copy_from_sockptr(&opt, optval, sizeof(u32))) {
- err = -EFAULT;
+ err = copy_safe_from_sockptr(&opt, sizeof(opt),
+ optval, optlen);
+ if (err)
break;
- }
if (opt > LLCP_MAX_RW) {
err = -EINVAL;
@@ -274,10 +274,10 @@ static int nfc_llcp_setsockopt(struct socket *sock, int level, int optname,
break;
}
- if (copy_from_sockptr(&opt, optval, sizeof(u32))) {
- err = -EFAULT;
+ err = copy_safe_from_sockptr(&opt, sizeof(opt),
+ optval, optlen);
+ if (err)
break;
- }
if (opt > LLCP_MAX_MIUX) {
err = -EINVAL;
--
GitLab
From 7633c4da919ad51164acbf1aa322cc1a3ead6129 Mon Sep 17 00:00:00 2001
From: Jiri Benc <jbenc@redhat.com>
Date: Mon, 8 Apr 2024 16:18:21 +0200
Subject: [PATCH 2344/2686] ipv6: fix race condition between ipv6_get_ifaddr
and ipv6_del_addr
Although ipv6_get_ifaddr walks inet6_addr_lst under the RCU lock, it
still means hlist_for_each_entry_rcu can return an item that got removed
from the list. The memory itself of such item is not freed thanks to RCU
but nothing guarantees the actual content of the memory is sane.
In particular, the reference count can be zero. This can happen if
ipv6_del_addr is called in parallel. ipv6_del_addr removes the entry
from inet6_addr_lst (hlist_del_init_rcu(&ifp->addr_lst)) and drops all
references (__in6_ifa_put(ifp) + in6_ifa_put(ifp)). With bad enough
timing, this can happen:
1. In ipv6_get_ifaddr, hlist_for_each_entry_rcu returns an entry.
2. Then, the whole ipv6_del_addr is executed for the given entry. The
reference count drops to zero and kfree_rcu is scheduled.
3. ipv6_get_ifaddr continues and tries to increments the reference count
(in6_ifa_hold).
4. The rcu is unlocked and the entry is freed.
5. The freed entry is returned.
Prevent increasing of the reference count in such case. The name
in6_ifa_hold_safe is chosen to mimic the existing fib6_info_hold_safe.
[ 41.506330] refcount_t: addition on 0; use-after-free.
[ 41.506760] WARNING: CPU: 0 PID: 595 at lib/refcount.c:25 refcount_warn_saturate+0xa5/0x130
[ 41.507413] Modules linked in: veth bridge stp llc
[ 41.507821] CPU: 0 PID: 595 Comm: python3 Not tainted 6.9.0-rc2.main-00208-g49563be82afa #14
[ 41.508479] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)
[ 41.509163] RIP: 0010:refcount_warn_saturate+0xa5/0x130
[ 41.509586] Code: ad ff 90 0f 0b 90 90 c3 cc cc cc cc 80 3d c0 30 ad 01 00 75 a0 c6 05 b7 30 ad 01 01 90 48 c7 c7 38 cc 7a 8c e8 cc 18 ad ff 90 <0f> 0b 90 90 c3 cc cc cc cc 80 3d 98 30 ad 01 00 0f 85 75 ff ff ff
[ 41.510956] RSP: 0018:ffffbda3c026baf0 EFLAGS: 00010282
[ 41.511368] RAX: 0000000000000000 RBX: ffff9e9c46914800 RCX: 0000000000000000
[ 41.511910] RDX: ffff9e9c7ec29c00 RSI: ffff9e9c7ec1c900 RDI: ffff9e9c7ec1c900
[ 41.512445] RBP: ffff9e9c43660c9c R08: 0000000000009ffb R09: 00000000ffffdfff
[ 41.512998] R10: 00000000ffffdfff R11: ffffffff8ca58a40 R12: ffff9e9c4339a000
[ 41.513534] R13: 0000000000000001 R14: ffff9e9c438a0000 R15: ffffbda3c026bb48
[ 41.514086] FS: 00007fbc4cda1740(0000) GS:ffff9e9c7ec00000(0000) knlGS:0000000000000000
[ 41.514726] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 41.515176] CR2: 000056233b337d88 CR3: 000000000376e006 CR4: 0000000000370ef0
[ 41.515713] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 41.516252] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 41.516799] Call Trace:
[ 41.517037] <TASK>
[ 41.517249] ? __warn+0x7b/0x120
[ 41.517535] ? refcount_warn_saturate+0xa5/0x130
[ 41.517923] ? report_bug+0x164/0x190
[ 41.518240] ? handle_bug+0x3d/0x70
[ 41.518541] ? exc_invalid_op+0x17/0x70
[ 41.520972] ? asm_exc_invalid_op+0x1a/0x20
[ 41.521325] ? refcount_warn_saturate+0xa5/0x130
[ 41.521708] ipv6_get_ifaddr+0xda/0xe0
[ 41.522035] inet6_rtm_getaddr+0x342/0x3f0
[ 41.522376] ? __pfx_inet6_rtm_getaddr+0x10/0x10
[ 41.522758] rtnetlink_rcv_msg+0x334/0x3d0
[ 41.523102] ? netlink_unicast+0x30f/0x390
[ 41.523445] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 41.523832] netlink_rcv_skb+0x53/0x100
[ 41.524157] netlink_unicast+0x23b/0x390
[ 41.524484] netlink_sendmsg+0x1f2/0x440
[ 41.524826] __sys_sendto+0x1d8/0x1f0
[ 41.525145] __x64_sys_sendto+0x1f/0x30
[ 41.525467] do_syscall_64+0xa5/0x1b0
[ 41.525794] entry_SYSCALL_64_after_hwframe+0x72/0x7a
[ 41.526213] RIP: 0033:0x7fbc4cfcea9a
[ 41.526528] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
[ 41.527942] RSP: 002b:00007ffcf54012a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 41.528593] RAX: ffffffffffffffda RBX: 00007ffcf5401368 RCX: 00007fbc4cfcea9a
[ 41.529173] RDX: 000000000000002c RSI: 00007fbc4b9d9bd0 RDI: 0000000000000005
[ 41.529786] RBP: 00007fbc4bafb040 R08: 00007ffcf54013e0 R09: 000000000000000c
[ 41.530375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 41.530977] R13: ffffffffc4653600 R14: 0000000000000001 R15: 00007fbc4ca85d1b
[ 41.531573] </TASK>
Fixes: 5c578aedcb21d ("IPv6: convert addrconf hash list to RCU")
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Link: https://lore.kernel.org/r/8ab821e36073a4a406c50ec83c9e8dc586c539e4.1712585809.git.jbenc@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
include/net/addrconf.h | 4 ++++
net/ipv6/addrconf.c | 7 ++++---
2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 9d06eb945509e..62a407db1bf5f 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -438,6 +438,10 @@ static inline void in6_ifa_hold(struct inet6_ifaddr *ifp)
refcount_inc(&ifp->refcnt);
}
+static inline bool in6_ifa_hold_safe(struct inet6_ifaddr *ifp)
+{
+ return refcount_inc_not_zero(&ifp->refcnt);
+}
/*
* compute link-local solicited-node multicast address
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 92db9b474f2bd..779aa6ecdd499 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2091,9 +2091,10 @@ struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, const struct in6_addr *add
if (ipv6_addr_equal(&ifp->addr, addr)) {
if (!dev || ifp->idev->dev == dev ||
!(ifp->scope&(IFA_LINK|IFA_HOST) || strict)) {
- result = ifp;
- in6_ifa_hold(ifp);
- break;
+ if (in6_ifa_hold_safe(ifp)) {
+ result = ifp;
+ break;
+ }
}
}
}
--
GitLab
From 8bdfb4ea95ca738d33ef71376c21eba20130f2eb Mon Sep 17 00:00:00 2001
From: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Date: Tue, 26 Mar 2024 15:32:46 -0400
Subject: [PATCH 2345/2686] drm/amdkfd: Reset GPU on queue preemption failure
Currently, with F32 HWS GPU reset is only when unmap queue fails.
However, if compute queue doesn't repond to preemption request in time
unmap will return without any error. In this case, only preemption error
is logged and Reset is not triggered. Call GPU reset in this case also.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Mukul Joshi <mukul.joshi@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index f4d395e38683d..0b655555e1678 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -2001,6 +2001,7 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm,
dev_err(dev, "HIQ MQD's queue_doorbell_id0 is not 0, Queue preemption time out\n");
while (halt_if_hws_hang)
schedule();
+ kfd_hws_hang(dqm);
return -ETIME;
}
--
GitLab
From 65ff8092e4802f96d87d3d7cde146961f5228265 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Sat, 23 Mar 2024 20:46:53 -0400
Subject: [PATCH 2346/2686] drm/amdgpu: always force full reset for SOC21
There are cases where soft reset seems to succeed, but
does not, so always use mode1/2 for now.
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/amd/amdgpu/soc21.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c
index 581a3bd11481c..8526282f4da12 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc21.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc21.c
@@ -457,10 +457,8 @@ static bool soc21_need_full_reset(struct amdgpu_device *adev)
{
switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
case IP_VERSION(11, 0, 0):
- return amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC);
case IP_VERSION(11, 0, 2):
case IP_VERSION(11, 0, 3):
- return false;
default:
return true;
}
--
GitLab
From 4b18a91faf1752f9bd69a4ed3aed2c8f6e5b0528 Mon Sep 17 00:00:00 2001
From: Lijo Lazar <lijo.lazar@amd.com>
Date: Thu, 21 Mar 2024 17:46:36 +0530
Subject: [PATCH 2347/2686] drm/amdgpu: Refine IB schedule error logging
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Downgrade to debug information when IBs are skipped. Also, use dev_* to
identify the device.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 4b3000c21ef2c..e4742b65032d1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -304,12 +304,15 @@ static struct dma_fence *amdgpu_job_run(struct drm_sched_job *sched_job)
dma_fence_set_error(finished, -ECANCELED);
if (finished->error < 0) {
- DRM_INFO("Skip scheduling IBs!\n");
+ dev_dbg(adev->dev, "Skip scheduling IBs in ring(%s)",
+ ring->name);
} else {
r = amdgpu_ib_schedule(ring, job->num_ibs, job->ibs, job,
&fence);
if (r)
- DRM_ERROR("Error scheduling IBs (%d)\n", r);
+ dev_err(adev->dev,
+ "Error scheduling IBs (%d) in ring(%s)", r,
+ ring->name);
}
job->job_run_counter++;
--
GitLab
From 0f1bbcc2bab25d5fb2dfb1ee3e08131437690d3d Mon Sep 17 00:00:00 2001
From: Lang Yu <Lang.Yu@amd.com>
Date: Mon, 25 Mar 2024 13:24:31 +0800
Subject: [PATCH 2348/2686] drm/amdgpu/umsch: reinitialize write pointer in hw
init
Otherwise the old one will be used during GPU reset.
That's not expected.
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.c b/drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.c
index 84368cf1e1753..bd57896ab85d5 100644
--- a/drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/umsch_mm_v4_0.c
@@ -225,6 +225,8 @@ static int umsch_mm_v4_0_ring_start(struct amdgpu_umsch_mm *umsch)
WREG32_SOC15(VCN, 0, regVCN_UMSCH_RB_SIZE, ring->ring_size);
+ ring->wptr = 0;
+
data = RREG32_SOC15(VCN, 0, regVCN_RB_ENABLE);
data &= ~(VCN_RB_ENABLE__AUDIO_RB_EN_MASK);
WREG32_SOC15(VCN, 0, regVCN_RB_ENABLE, data);
--
GitLab
From 8b2be55f4d6c1099d7f629b0ed7535a5be788c83 Mon Sep 17 00:00:00 2001
From: Lijo Lazar <lijo.lazar@amd.com>
Date: Wed, 14 Feb 2024 17:55:54 +0530
Subject: [PATCH 2349/2686] drm/amdgpu: Reset dGPU if suspend got aborted
For SOC21 ASICs, there is an issue in re-enabling PM features if a
suspend got aborted. In such cases, reset the device during resume
phase. This is a workaround till a proper solution is finalized.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/amd/amdgpu/soc21.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c
index 8526282f4da12..abe319b0f0639 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc21.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc21.c
@@ -867,10 +867,35 @@ static int soc21_common_suspend(void *handle)
return soc21_common_hw_fini(adev);
}
+static bool soc21_need_reset_on_resume(struct amdgpu_device *adev)
+{
+ u32 sol_reg1, sol_reg2;
+
+ /* Will reset for the following suspend abort cases.
+ * 1) Only reset dGPU side.
+ * 2) S3 suspend got aborted and TOS is active.
+ */
+ if (!(adev->flags & AMD_IS_APU) && adev->in_s3 &&
+ !adev->suspend_complete) {
+ sol_reg1 = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81);
+ msleep(100);
+ sol_reg2 = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81);
+
+ return (sol_reg1 != sol_reg2);
+ }
+
+ return false;
+}
+
static int soc21_common_resume(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ if (soc21_need_reset_on_resume(adev)) {
+ dev_info(adev->dev, "S3 suspend aborted, resetting...");
+ soc21_asic_reset(adev);
+ }
+
return soc21_common_hw_init(adev);
}
--
GitLab
From d4396924c3d44f34d0643f650e70892e07f3677f Mon Sep 17 00:00:00 2001
From: Li Ma <li.ma@amd.com>
Date: Thu, 28 Mar 2024 10:55:10 +0800
Subject: [PATCH 2350/2686] drm/amd/display: add DCN 351 version for microcode
load
There is a new DCN veriosn 3.5.1 need to load
Signed-off-by: Li Ma <li.ma@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 71d2d44681b21..173438fc75375 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -148,6 +148,9 @@ MODULE_FIRMWARE(FIRMWARE_NAVI12_DMCU);
#define FIRMWARE_DCN_35_DMUB "amdgpu/dcn_3_5_dmcub.bin"
MODULE_FIRMWARE(FIRMWARE_DCN_35_DMUB);
+#define FIRMWARE_DCN_351_DMUB "amdgpu/dcn_3_5_1_dmcub.bin"
+MODULE_FIRMWARE(FIRMWARE_DCN_351_DMUB);
+
/* Number of bytes in PSP header for firmware. */
#define PSP_HEADER_BYTES 0x100
@@ -4820,9 +4823,11 @@ static int dm_init_microcode(struct amdgpu_device *adev)
fw_name_dmub = FIRMWARE_DCN_V3_2_1_DMCUB;
break;
case IP_VERSION(3, 5, 0):
- case IP_VERSION(3, 5, 1):
fw_name_dmub = FIRMWARE_DCN_35_DMUB;
break;
+ case IP_VERSION(3, 5, 1):
+ fw_name_dmub = FIRMWARE_DCN_351_DMUB;
+ break;
default:
/* ASIC doesn't support DMUB. */
return 0;
--
GitLab
From 31729e8c21ecfd671458e02b6511eb68c2225113 Mon Sep 17 00:00:00 2001
From: Tim Huang <Tim.Huang@amd.com>
Date: Wed, 27 Mar 2024 13:10:37 +0800
Subject: [PATCH 2351/2686] drm/amd/pm: fixes a random hang in S4 for SMU
v13.0.4/11
While doing multiple S4 stress tests, GC/RLC/PMFW get into
an invalid state resulting into hard hangs.
Adding a GFX reset as workaround just before sending the
MP1_UNLOAD message avoids this failure.
Signed-off-by: Tim Huang <Tim.Huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
index bb98156b2fa1d..949131bd1ecb2 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
@@ -226,8 +226,18 @@ static int smu_v13_0_4_system_features_control(struct smu_context *smu, bool en)
struct amdgpu_device *adev = smu->adev;
int ret = 0;
- if (!en && !adev->in_s0ix)
+ if (!en && !adev->in_s0ix) {
+ /* Adds a GFX reset as workaround just before sending the
+ * MP1_UNLOAD message to prevent GC/RLC/PMFW from entering
+ * an invalid state.
+ */
+ ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GfxDeviceDriverReset,
+ SMU_RESET_MODE_2, NULL);
+ if (ret)
+ return ret;
+
ret = smu_cmn_send_smc_msg(smu, SMU_MSG_PrepareMp1ForUnload, NULL);
+ }
return ret;
}
--
GitLab
From a3a4c0b12346a2493b41c8790d85141844a04e28 Mon Sep 17 00:00:00 2001
From: shaoyunl <shaoyun.liu@amd.com>
Date: Fri, 22 Mar 2024 12:25:16 -0400
Subject: [PATCH 2352/2686] drm/amdgpu : Add mes_log_enable to control mes log
feature
The MES log might slow down the performance for extra step of log the data,
disable it by default and introduce a parameter can enable it when necessary
Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 10 ++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 5 ++++-
drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 7 +++++--
4 files changed, 20 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 9c62552bec344..b3b84647207ed 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -210,6 +210,7 @@ extern int amdgpu_async_gfx_ring;
extern int amdgpu_mcbp;
extern int amdgpu_discovery;
extern int amdgpu_mes;
+extern int amdgpu_mes_log_enable;
extern int amdgpu_mes_kiq;
extern int amdgpu_noretry;
extern int amdgpu_force_asic_type;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 80b9642f2bc4f..e4277298cf1aa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -195,6 +195,7 @@ int amdgpu_async_gfx_ring = 1;
int amdgpu_mcbp = -1;
int amdgpu_discovery = -1;
int amdgpu_mes;
+int amdgpu_mes_log_enable = 0;
int amdgpu_mes_kiq;
int amdgpu_noretry = -1;
int amdgpu_force_asic_type = -1;
@@ -667,6 +668,15 @@ MODULE_PARM_DESC(mes,
"Enable Micro Engine Scheduler (0 = disabled (default), 1 = enabled)");
module_param_named(mes, amdgpu_mes, int, 0444);
+/**
+ * DOC: mes_log_enable (int)
+ * Enable Micro Engine Scheduler log. This is used to enable/disable MES internal log.
+ * (0 = disabled (default), 1 = enabled)
+ */
+MODULE_PARM_DESC(mes_log_enable,
+ "Enable Micro Engine Scheduler log (0 = disabled (default), 1 = enabled)");
+module_param_named(mes_log_enable, amdgpu_mes_log_enable, int, 0444);
+
/**
* DOC: mes_kiq (int)
* Enable Micro Engine Scheduler KIQ. This is a new engine pipe for kiq.
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index a98e03e0a51f1..cfd613ea39b39 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -102,6 +102,9 @@ static int amdgpu_mes_event_log_init(struct amdgpu_device *adev)
{
int r;
+ if (!amdgpu_mes_log_enable)
+ return 0;
+
r = amdgpu_bo_create_kernel(adev, PAGE_SIZE, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_GTT,
&adev->mes.event_log_gpu_obj,
@@ -1565,7 +1568,7 @@ void amdgpu_debugfs_mes_event_log_init(struct amdgpu_device *adev)
#if defined(CONFIG_DEBUG_FS)
struct drm_minor *minor = adev_to_drm(adev)->primary;
struct dentry *root = minor->debugfs_root;
- if (adev->enable_mes)
+ if (adev->enable_mes && amdgpu_mes_log_enable)
debugfs_create_file("amdgpu_mes_event_log", 0444, root,
adev, &amdgpu_debugfs_mes_event_log_fops);
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index 072c478665ade..63f281a9984d9 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
@@ -411,8 +411,11 @@ static int mes_v11_0_set_hw_resources(struct amdgpu_mes *mes)
mes_set_hw_res_pkt.enable_reg_active_poll = 1;
mes_set_hw_res_pkt.enable_level_process_quantum_check = 1;
mes_set_hw_res_pkt.oversubscription_timer = 50;
- mes_set_hw_res_pkt.enable_mes_event_int_logging = 1;
- mes_set_hw_res_pkt.event_intr_history_gpu_mc_ptr = mes->event_log_gpu_addr;
+ if (amdgpu_mes_log_enable) {
+ mes_set_hw_res_pkt.enable_mes_event_int_logging = 1;
+ mes_set_hw_res_pkt.event_intr_history_gpu_mc_ptr =
+ mes->event_log_gpu_addr;
+ }
return mes_v11_0_submit_pkt_and_poll_completion(mes,
&mes_set_hw_res_pkt, sizeof(mes_set_hw_res_pkt),
--
GitLab
From 5b0cd091d905ee9da0a3ecdf06b9cbdd17ba711d Mon Sep 17 00:00:00 2001
From: shaoyunl <shaoyun.liu@amd.com>
Date: Fri, 22 Mar 2024 12:44:55 -0400
Subject: [PATCH 2353/2686] drm/amdgpu : Increase the mes log buffer size as
per new MES FW version
From MES version 0x54, the log entry increased and require the log buffer
size to be increased. The 16k is maximum size agreed
Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 5 ++---
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h | 1 +
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index cfd613ea39b39..a00cf4756ad0e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -105,7 +105,7 @@ static int amdgpu_mes_event_log_init(struct amdgpu_device *adev)
if (!amdgpu_mes_log_enable)
return 0;
- r = amdgpu_bo_create_kernel(adev, PAGE_SIZE, PAGE_SIZE,
+ r = amdgpu_bo_create_kernel(adev, AMDGPU_MES_LOG_BUFFER_SIZE, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_GTT,
&adev->mes.event_log_gpu_obj,
&adev->mes.event_log_gpu_addr,
@@ -1552,12 +1552,11 @@ static int amdgpu_debugfs_mes_event_log_show(struct seq_file *m, void *unused)
uint32_t *mem = (uint32_t *)(adev->mes.event_log_cpu_addr);
seq_hex_dump(m, "", DUMP_PREFIX_OFFSET, 32, 4,
- mem, PAGE_SIZE, false);
+ mem, AMDGPU_MES_LOG_BUFFER_SIZE, false);
return 0;
}
-
DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_mes_event_log);
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
index 7d4f93fea937a..4c8fc3117ef89 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
@@ -52,6 +52,7 @@ enum amdgpu_mes_priority_level {
#define AMDGPU_MES_PROC_CTX_SIZE 0x1000 /* one page area */
#define AMDGPU_MES_GANG_CTX_SIZE 0x1000 /* one page area */
+#define AMDGPU_MES_LOG_BUFFER_SIZE 0x4000 /* Maximu log buffer size for MES */
struct amdgpu_mes_funcs;
--
GitLab
From c5b1ccff26950d50bf2043cb2af9bafb1f08bbaf Mon Sep 17 00:00:00 2001
From: lima1002 <li.ma@amd.com>
Date: Mon, 29 Jan 2024 20:17:54 +0800
Subject: [PATCH 2354/2686] drm/amd/swsmu: Update smu v14.0.0 headers to be
14.0.1 compatible
update ppsmc.h pmfw.h and driver_if.h for smu v14_0_1
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: lima1002 <li.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../inc/pmfw_if/smu14_driver_if_v14_0_0.h | 33 +-
.../pm/swsmu/inc/pmfw_if/smu_v14_0_0_pmfw.h | 55 ++-
.../pm/swsmu/inc/pmfw_if/smu_v14_0_0_ppsmc.h | 18 +-
drivers/gpu/drm/amd/pm/swsmu/inc/smu_v14_0.h | 1 +
.../gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c | 2 +-
.../drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c | 347 ++++++++++++++++--
6 files changed, 413 insertions(+), 43 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu14_driver_if_v14_0_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu14_driver_if_v14_0_0.h
index 5bb7a63c0602b..97522c0852589 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu14_driver_if_v14_0_0.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu14_driver_if_v14_0_0.h
@@ -144,6 +144,37 @@ typedef struct {
uint32_t MaxGfxClk;
} DpmClocks_t;
+//Freq in MHz
+//Voltage in milli volts with 2 fractional bits
+typedef struct {
+ uint32_t DcfClocks[NUM_DCFCLK_DPM_LEVELS];
+ uint32_t DispClocks[NUM_DISPCLK_DPM_LEVELS];
+ uint32_t DppClocks[NUM_DPPCLK_DPM_LEVELS];
+ uint32_t SocClocks[NUM_SOCCLK_DPM_LEVELS];
+ uint32_t VClocks0[NUM_VCN_DPM_LEVELS];
+ uint32_t VClocks1[NUM_VCN_DPM_LEVELS];
+ uint32_t DClocks0[NUM_VCN_DPM_LEVELS];
+ uint32_t DClocks1[NUM_VCN_DPM_LEVELS];
+ uint32_t VPEClocks[NUM_VPE_DPM_LEVELS];
+ uint32_t FclkClocks_Freq[NUM_FCLK_DPM_LEVELS];
+ uint32_t FclkClocks_Voltage[NUM_FCLK_DPM_LEVELS];
+ uint32_t SocVoltage[NUM_SOC_VOLTAGE_LEVELS];
+ MemPstateTable_t MemPstateTable[NUM_MEM_PSTATE_LEVELS];
+
+ uint8_t NumDcfClkLevelsEnabled;
+ uint8_t NumDispClkLevelsEnabled; //Applies to both Dispclk and Dppclk
+ uint8_t NumSocClkLevelsEnabled;
+ uint8_t Vcn0ClkLevelsEnabled; //Applies to both Vclk0 and Dclk0
+ uint8_t Vcn1ClkLevelsEnabled; //Applies to both Vclk1 and Dclk1
+ uint8_t VpeClkLevelsEnabled;
+ uint8_t NumMemPstatesEnabled;
+ uint8_t NumFclkLevelsEnabled;
+ uint8_t spare;
+
+ uint32_t MinGfxClk;
+ uint32_t MaxGfxClk;
+} DpmClocks_t_v14_0_1;
+
typedef struct {
uint16_t CoreFrequency[16]; //Target core frequency [MHz]
uint16_t CorePower[16]; //CAC calculated core power [mW]
@@ -224,7 +255,7 @@ typedef enum {
#define TABLE_CUSTOM_DPM 2 // Called by Driver
#define TABLE_BIOS_GPIO_CONFIG 3 // Called by BIOS
#define TABLE_DPMCLOCKS 4 // Called by Driver and VBIOS
-#define TABLE_SPARE0 5 // Unused
+#define TABLE_MOMENTARY_PM 5 // Called by Tools
#define TABLE_MODERN_STDBY 6 // Called by Tools for Modern Standby Log
#define TABLE_SMU_METRICS 7 // Called by Driver and SMF/PMF
#define TABLE_COUNT 8
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v14_0_0_pmfw.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v14_0_0_pmfw.h
index 356e0f57a426f..ddb6258600831 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v14_0_0_pmfw.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v14_0_0_pmfw.h
@@ -42,7 +42,7 @@
#define FEATURE_EDC_BIT 7
#define FEATURE_PLL_POWER_DOWN_BIT 8
#define FEATURE_VDDOFF_BIT 9
-#define FEATURE_VCN_DPM_BIT 10
+#define FEATURE_VCN_DPM_BIT 10 /* this is for both VCN0 and VCN1 */
#define FEATURE_DS_MPM_BIT 11
#define FEATURE_FCLK_DPM_BIT 12
#define FEATURE_SOCCLK_DPM_BIT 13
@@ -56,9 +56,9 @@
#define FEATURE_DS_GFXCLK_BIT 21
#define FEATURE_DS_SOCCLK_BIT 22
#define FEATURE_DS_LCLK_BIT 23
-#define FEATURE_LOW_POWER_DCNCLKS_BIT 24 // for all DISP clks
+#define FEATURE_LOW_POWER_DCNCLKS_BIT 24
#define FEATURE_DS_SHUBCLK_BIT 25
-#define FEATURE_SPARE0_BIT 26 //SPARE
+#define FEATURE_RESERVED0_BIT 26
#define FEATURE_ZSTATES_BIT 27
#define FEATURE_IOMMUL2_PG_BIT 28
#define FEATURE_DS_FCLK_BIT 29
@@ -66,8 +66,8 @@
#define FEATURE_DS_MP1CLK_BIT 31
#define FEATURE_WHISPER_MODE_BIT 32
#define FEATURE_SMU_LOW_POWER_BIT 33
-#define FEATURE_SMART_L3_RINSER_BIT 34
-#define FEATURE_SPARE1_BIT 35 //SPARE
+#define FEATURE_RESERVED1_BIT 34 /* v14_0_0 SMART_L3_RINSER; v14_0_1 RESERVED1 */
+#define FEATURE_GFX_DEM_BIT 35 /* v14_0_0 SPARE; v14_0_1 GFX_DEM */
#define FEATURE_PSI_BIT 36
#define FEATURE_PROCHOT_BIT 37
#define FEATURE_CPUOFF_BIT 38
@@ -77,11 +77,11 @@
#define FEATURE_PERF_LIMIT_BIT 42
#define FEATURE_CORE_DLDO_BIT 43
#define FEATURE_DVO_BIT 44
-#define FEATURE_DS_VCN_BIT 45
+#define FEATURE_DS_VCN_BIT 45 /* v14_0_1 this is for both VCN0 and VCN1 */
#define FEATURE_CPPC_BIT 46
#define FEATURE_CPPC_PREFERRED_CORES 47
#define FEATURE_DF_CSTATES_BIT 48
-#define FEATURE_SPARE2_BIT 49 //SPARE
+#define FEATURE_FAST_PSTATE_CLDO_BIT 49 /* v14_0_0 SPARE */
#define FEATURE_ATHUB_PG_BIT 50
#define FEATURE_VDDOFF_ECO_BIT 51
#define FEATURE_ZSTATES_ECO_BIT 52
@@ -93,8 +93,8 @@
#define FEATURE_DS_IPUCLK_BIT 58
#define FEATURE_DS_VPECLK_BIT 59
#define FEATURE_VPE_DPM_BIT 60
-#define FEATURE_SPARE_61 61
-#define FEATURE_FP_DIDT 62
+#define FEATURE_SMART_L3_RINSER_BIT 61 /* v14_0_0 SPARE*/
+#define FEATURE_PCC_BIT 62 /* v14_0_0 FP_DIDT v14_0_1 PCC_BIT */
#define NUM_FEATURES 63
// Firmware Header/Footer
@@ -151,6 +151,43 @@ typedef struct {
// MP1_EXT_SCRATCH7 = RTOS Current Job
} FwStatus_t;
+typedef struct {
+ // MP1_EXT_SCRATCH0
+ uint32_t DpmHandlerID : 8;
+ uint32_t ActivityMonitorID : 8;
+ uint32_t DpmTimerID : 8;
+ uint32_t DpmHubID : 4;
+ uint32_t DpmHubTask : 4;
+ // MP1_EXT_SCRATCH1
+ uint32_t CclkSyncStatus : 8;
+ uint32_t ZstateStatus : 4;
+ uint32_t Cpu1VddOff : 4;
+ uint32_t DstateFun : 4;
+ uint32_t DstateDev : 4;
+ uint32_t GfxOffStatus : 2;
+ uint32_t Cpu0Off : 2;
+ uint32_t Cpu1Off : 2;
+ uint32_t Cpu0VddOff : 2;
+ // MP1_EXT_SCRATCH2
+ uint32_t P2JobHandler :32;
+ // MP1_EXT_SCRATCH3
+ uint32_t PostCode :32;
+ // MP1_EXT_SCRATCH4
+ uint32_t MsgPortBusy :15;
+ uint32_t RsmuPmiP1Pending : 1;
+ uint32_t RsmuPmiP2PendingCnt : 8;
+ uint32_t DfCstateExitPending : 1;
+ uint32_t Pc6EntryPending : 1;
+ uint32_t Pc6ExitPending : 1;
+ uint32_t WarmResetPending : 1;
+ uint32_t Mp0ClkPending : 1;
+ uint32_t InWhisperMode : 1;
+ uint32_t spare2 : 2;
+ // MP1_EXT_SCRATCH5
+ uint32_t IdleMask :32;
+ // MP1_EXT_SCRATCH6 = RTOS threads' status
+ // MP1_EXT_SCRATCH7 = RTOS Current Job
+} FwStatus_t_v14_0_1;
#pragma pack(pop)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v14_0_0_ppsmc.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v14_0_0_ppsmc.h
index ca7ce4251482d..c4dc5881d8df0 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v14_0_0_ppsmc.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v14_0_0_ppsmc.h
@@ -72,23 +72,19 @@
#define PPSMC_MSG_SetHardMinSocclkByFreq 0x13 ///< Set hard min for SOC CLK
#define PPSMC_MSG_SetSoftMinFclk 0x14 ///< Set hard min for FCLK
#define PPSMC_MSG_SetSoftMinVcn0 0x15 ///< Set soft min for VCN0 clocks (VCLK0 and DCLK0)
-
#define PPSMC_MSG_EnableGfxImu 0x16 ///< Enable GFX IMU
-
-#define PPSMC_MSG_spare_0x17 0x17
-#define PPSMC_MSG_spare_0x18 0x18
+#define PPSMC_MSG_spare_0x17 0x17 ///< Get GFX clock frequency
+#define PPSMC_MSG_spare_0x18 0x18 ///< Get FCLK frequency
#define PPSMC_MSG_AllowGfxOff 0x19 ///< Inform PMFW of allowing GFXOFF entry
#define PPSMC_MSG_DisallowGfxOff 0x1A ///< Inform PMFW of disallowing GFXOFF entry
#define PPSMC_MSG_SetSoftMaxGfxClk 0x1B ///< Set soft max for GFX CLK
#define PPSMC_MSG_SetHardMinGfxClk 0x1C ///< Set hard min for GFX CLK
-
#define PPSMC_MSG_SetSoftMaxSocclkByFreq 0x1D ///< Set soft max for SOC CLK
#define PPSMC_MSG_SetSoftMaxFclkByFreq 0x1E ///< Set soft max for FCLK
#define PPSMC_MSG_SetSoftMaxVcn0 0x1F ///< Set soft max for VCN0 clocks (VCLK0 and DCLK0)
-#define PPSMC_MSG_spare_0x20 0x20
+#define PPSMC_MSG_spare_0x20 0x20 ///< Set power limit percentage
#define PPSMC_MSG_PowerDownJpeg0 0x21 ///< Power down Jpeg of VCN0
#define PPSMC_MSG_PowerUpJpeg0 0x22 ///< Power up Jpeg of VCN0; VCN0 is power gated by default
-
#define PPSMC_MSG_SetHardMinFclkByFreq 0x23 ///< Set hard min for FCLK
#define PPSMC_MSG_SetSoftMinSocclkByFreq 0x24 ///< Set soft min for SOC CLK
#define PPSMC_MSG_AllowZstates 0x25 ///< Inform PMFM of allowing Zstate entry, i.e. no Miracast activity
@@ -99,8 +95,8 @@
#define PPSMC_MSG_PowerUpIspByTile 0x2A ///< This message is used to power up ISP tiles and enable the ISP DPM
#define PPSMC_MSG_SetHardMinIspiclkByFreq 0x2B ///< Set HardMin by frequency for ISPICLK
#define PPSMC_MSG_SetHardMinIspxclkByFreq 0x2C ///< Set HardMin by frequency for ISPXCLK
-#define PPSMC_MSG_PowerDownUmsch 0x2D ///< Power down VCN.UMSCH (aka VSCH) scheduler
-#define PPSMC_MSG_PowerUpUmsch 0x2E ///< Power up VCN.UMSCH (aka VSCH) scheduler
+#define PPSMC_MSG_PowerDownUmsch 0x2D ///< Power down VCN0.UMSCH (aka VSCH) scheduler
+#define PPSMC_MSG_PowerUpUmsch 0x2E ///< Power up VCN0.UMSCH (aka VSCH) scheduler
#define PPSMC_Message_IspStutterOn_MmhubPgDis 0x2F ///< ISP StutterOn mmHub PgDis
#define PPSMC_Message_IspStutterOff_MmhubPgEn 0x30 ///< ISP StufferOff mmHub PgEn
#define PPSMC_MSG_PowerUpVpe 0x31 ///< Power up VPE
@@ -110,7 +106,9 @@
#define PPSMC_MSG_DisableLSdma 0x35 ///< Disable LSDMA
#define PPSMC_MSG_SetSoftMaxVpe 0x36 ///<
#define PPSMC_MSG_SetSoftMinVpe 0x37 ///<
-#define PPSMC_Message_Count 0x38 ///< Total number of PPSMC messages
+#define PPSMC_MSG_AllocMALLCache 0x38 ///< Allocating MALL Cache
+#define PPSMC_MSG_ReleaseMALLCache 0x39 ///< Releasing MALL Cache
+#define PPSMC_Message_Count 0x3A ///< Total number of PPSMC messages
/** @}*/
/**
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v14_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v14_0.h
index 3f7463c1c1a91..4af1985ae4466 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v14_0.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v14_0.h
@@ -27,6 +27,7 @@
#define SMU14_DRIVER_IF_VERSION_INV 0xFFFFFFFF
#define SMU14_DRIVER_IF_VERSION_SMU_V14_0_0 0x7
+#define SMU14_DRIVER_IF_VERSION_SMU_V14_0_1 0x6
#define SMU14_DRIVER_IF_VERSION_SMU_V14_0_2 0x1
#define FEATURE_MASK(feature) (1ULL << feature)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c
index 9e39f99154f94..07a65e005785d 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c
@@ -234,7 +234,7 @@ int smu_v14_0_check_fw_version(struct smu_context *smu)
smu->smc_driver_if_version = SMU14_DRIVER_IF_VERSION_SMU_V14_0_0;
break;
case IP_VERSION(14, 0, 1):
- smu->smc_driver_if_version = SMU14_DRIVER_IF_VERSION_SMU_V14_0_0;
+ smu->smc_driver_if_version = SMU14_DRIVER_IF_VERSION_SMU_V14_0_1;
break;
default:
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c
index d6de6d97286c6..63399c00cc28f 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c
@@ -161,7 +161,7 @@ static int smu_v14_0_0_init_smc_tables(struct smu_context *smu)
SMU_TABLE_INIT(tables, SMU_TABLE_WATERMARKS, sizeof(Watermarks_t),
PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM);
- SMU_TABLE_INIT(tables, SMU_TABLE_DPMCLOCKS, sizeof(DpmClocks_t),
+ SMU_TABLE_INIT(tables, SMU_TABLE_DPMCLOCKS, max(sizeof(DpmClocks_t), sizeof(DpmClocks_t_v14_0_1)),
PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM);
SMU_TABLE_INIT(tables, SMU_TABLE_SMU_METRICS, sizeof(SmuMetrics_t),
PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM);
@@ -171,7 +171,7 @@ static int smu_v14_0_0_init_smc_tables(struct smu_context *smu)
goto err0_out;
smu_table->metrics_time = 0;
- smu_table->clocks_table = kzalloc(sizeof(DpmClocks_t), GFP_KERNEL);
+ smu_table->clocks_table = kzalloc(max(sizeof(DpmClocks_t), sizeof(DpmClocks_t_v14_0_1)), GFP_KERNEL);
if (!smu_table->clocks_table)
goto err1_out;
@@ -593,6 +593,60 @@ static int smu_v14_0_0_mode2_reset(struct smu_context *smu)
return ret;
}
+static int smu_v14_0_1_get_dpm_freq_by_index(struct smu_context *smu,
+ enum smu_clk_type clk_type,
+ uint32_t dpm_level,
+ uint32_t *freq)
+{
+ DpmClocks_t_v14_0_1 *clk_table = smu->smu_table.clocks_table;
+
+ if (!clk_table || clk_type >= SMU_CLK_COUNT)
+ return -EINVAL;
+
+ switch (clk_type) {
+ case SMU_SOCCLK:
+ if (dpm_level >= clk_table->NumSocClkLevelsEnabled)
+ return -EINVAL;
+ *freq = clk_table->SocClocks[dpm_level];
+ break;
+ case SMU_VCLK:
+ if (dpm_level >= clk_table->Vcn0ClkLevelsEnabled)
+ return -EINVAL;
+ *freq = clk_table->VClocks0[dpm_level];
+ break;
+ case SMU_DCLK:
+ if (dpm_level >= clk_table->Vcn0ClkLevelsEnabled)
+ return -EINVAL;
+ *freq = clk_table->DClocks0[dpm_level];
+ break;
+ case SMU_VCLK1:
+ if (dpm_level >= clk_table->Vcn1ClkLevelsEnabled)
+ return -EINVAL;
+ *freq = clk_table->VClocks1[dpm_level];
+ break;
+ case SMU_DCLK1:
+ if (dpm_level >= clk_table->Vcn1ClkLevelsEnabled)
+ return -EINVAL;
+ *freq = clk_table->DClocks1[dpm_level];
+ break;
+ case SMU_UCLK:
+ case SMU_MCLK:
+ if (dpm_level >= clk_table->NumMemPstatesEnabled)
+ return -EINVAL;
+ *freq = clk_table->MemPstateTable[dpm_level].MemClk;
+ break;
+ case SMU_FCLK:
+ if (dpm_level >= clk_table->NumFclkLevelsEnabled)
+ return -EINVAL;
+ *freq = clk_table->FclkClocks_Freq[dpm_level];
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int smu_v14_0_0_get_dpm_freq_by_index(struct smu_context *smu,
enum smu_clk_type clk_type,
uint32_t dpm_level,
@@ -637,6 +691,19 @@ static int smu_v14_0_0_get_dpm_freq_by_index(struct smu_context *smu,
return 0;
}
+static int smu_v14_0_common_get_dpm_freq_by_index(struct smu_context *smu,
+ enum smu_clk_type clk_type,
+ uint32_t dpm_level,
+ uint32_t *freq)
+{
+ if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 0))
+ smu_v14_0_0_get_dpm_freq_by_index(smu, clk_type, dpm_level, freq);
+ else if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 1))
+ smu_v14_0_1_get_dpm_freq_by_index(smu, clk_type, dpm_level, freq);
+
+ return 0;
+}
+
static bool smu_v14_0_0_clk_dpm_is_enabled(struct smu_context *smu,
enum smu_clk_type clk_type)
{
@@ -657,6 +724,8 @@ static bool smu_v14_0_0_clk_dpm_is_enabled(struct smu_context *smu,
break;
case SMU_VCLK:
case SMU_DCLK:
+ case SMU_VCLK1:
+ case SMU_DCLK1:
feature_id = SMU_FEATURE_VCN_DPM_BIT;
break;
default:
@@ -666,6 +735,126 @@ static bool smu_v14_0_0_clk_dpm_is_enabled(struct smu_context *smu,
return smu_cmn_feature_is_enabled(smu, feature_id);
}
+static int smu_v14_0_1_get_dpm_ultimate_freq(struct smu_context *smu,
+ enum smu_clk_type clk_type,
+ uint32_t *min,
+ uint32_t *max)
+{
+ DpmClocks_t_v14_0_1 *clk_table = smu->smu_table.clocks_table;
+ uint32_t clock_limit;
+ uint32_t max_dpm_level, min_dpm_level;
+ int ret = 0;
+
+ if (!smu_v14_0_0_clk_dpm_is_enabled(smu, clk_type)) {
+ switch (clk_type) {
+ case SMU_MCLK:
+ case SMU_UCLK:
+ clock_limit = smu->smu_table.boot_values.uclk;
+ break;
+ case SMU_FCLK:
+ clock_limit = smu->smu_table.boot_values.fclk;
+ break;
+ case SMU_GFXCLK:
+ case SMU_SCLK:
+ clock_limit = smu->smu_table.boot_values.gfxclk;
+ break;
+ case SMU_SOCCLK:
+ clock_limit = smu->smu_table.boot_values.socclk;
+ break;
+ case SMU_VCLK:
+ case SMU_VCLK1:
+ clock_limit = smu->smu_table.boot_values.vclk;
+ break;
+ case SMU_DCLK:
+ case SMU_DCLK1:
+ clock_limit = smu->smu_table.boot_values.dclk;
+ break;
+ default:
+ clock_limit = 0;
+ break;
+ }
+
+ /* clock in Mhz unit */
+ if (min)
+ *min = clock_limit / 100;
+ if (max)
+ *max = clock_limit / 100;
+
+ return 0;
+ }
+
+ if (max) {
+ switch (clk_type) {
+ case SMU_GFXCLK:
+ case SMU_SCLK:
+ *max = clk_table->MaxGfxClk;
+ break;
+ case SMU_MCLK:
+ case SMU_UCLK:
+ case SMU_FCLK:
+ max_dpm_level = 0;
+ break;
+ case SMU_SOCCLK:
+ max_dpm_level = clk_table->NumSocClkLevelsEnabled - 1;
+ break;
+ case SMU_VCLK:
+ case SMU_DCLK:
+ max_dpm_level = clk_table->Vcn0ClkLevelsEnabled - 1;
+ break;
+ case SMU_VCLK1:
+ case SMU_DCLK1:
+ max_dpm_level = clk_table->Vcn1ClkLevelsEnabled - 1;
+ break;
+ default:
+ ret = -EINVAL;
+ goto failed;
+ }
+
+ if (clk_type != SMU_GFXCLK && clk_type != SMU_SCLK) {
+ ret = smu_v14_0_common_get_dpm_freq_by_index(smu, clk_type, max_dpm_level, max);
+ if (ret)
+ goto failed;
+ }
+ }
+
+ if (min) {
+ switch (clk_type) {
+ case SMU_GFXCLK:
+ case SMU_SCLK:
+ *min = clk_table->MinGfxClk;
+ break;
+ case SMU_MCLK:
+ case SMU_UCLK:
+ min_dpm_level = clk_table->NumMemPstatesEnabled - 1;
+ break;
+ case SMU_FCLK:
+ min_dpm_level = clk_table->NumFclkLevelsEnabled - 1;
+ break;
+ case SMU_SOCCLK:
+ min_dpm_level = 0;
+ break;
+ case SMU_VCLK:
+ case SMU_DCLK:
+ case SMU_VCLK1:
+ case SMU_DCLK1:
+ min_dpm_level = 0;
+ break;
+ default:
+ ret = -EINVAL;
+ goto failed;
+ }
+
+ if (clk_type != SMU_GFXCLK && clk_type != SMU_SCLK) {
+ ret = smu_v14_0_common_get_dpm_freq_by_index(smu, clk_type, min_dpm_level, min);
+ if (ret)
+ goto failed;
+ }
+ }
+
+failed:
+ return ret;
+}
+
static int smu_v14_0_0_get_dpm_ultimate_freq(struct smu_context *smu,
enum smu_clk_type clk_type,
uint32_t *min,
@@ -736,7 +925,7 @@ static int smu_v14_0_0_get_dpm_ultimate_freq(struct smu_context *smu,
}
if (clk_type != SMU_GFXCLK && clk_type != SMU_SCLK) {
- ret = smu_v14_0_0_get_dpm_freq_by_index(smu, clk_type, max_dpm_level, max);
+ ret = smu_v14_0_common_get_dpm_freq_by_index(smu, clk_type, max_dpm_level, max);
if (ret)
goto failed;
}
@@ -768,7 +957,7 @@ static int smu_v14_0_0_get_dpm_ultimate_freq(struct smu_context *smu,
}
if (clk_type != SMU_GFXCLK && clk_type != SMU_SCLK) {
- ret = smu_v14_0_0_get_dpm_freq_by_index(smu, clk_type, min_dpm_level, min);
+ ret = smu_v14_0_common_get_dpm_freq_by_index(smu, clk_type, min_dpm_level, min);
if (ret)
goto failed;
}
@@ -778,6 +967,19 @@ static int smu_v14_0_0_get_dpm_ultimate_freq(struct smu_context *smu,
return ret;
}
+static int smu_v14_0_common_get_dpm_ultimate_freq(struct smu_context *smu,
+ enum smu_clk_type clk_type,
+ uint32_t *min,
+ uint32_t *max)
+{
+ if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 0))
+ smu_v14_0_0_get_dpm_ultimate_freq(smu, clk_type, min, max);
+ else if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 1))
+ smu_v14_0_1_get_dpm_ultimate_freq(smu, clk_type, min, max);
+
+ return 0;
+}
+
static int smu_v14_0_0_get_current_clk_freq(struct smu_context *smu,
enum smu_clk_type clk_type,
uint32_t *value)
@@ -811,6 +1013,37 @@ static int smu_v14_0_0_get_current_clk_freq(struct smu_context *smu,
return smu_v14_0_0_get_smu_metrics_data(smu, member_type, value);
}
+static int smu_v14_0_1_get_dpm_level_count(struct smu_context *smu,
+ enum smu_clk_type clk_type,
+ uint32_t *count)
+{
+ DpmClocks_t_v14_0_1 *clk_table = smu->smu_table.clocks_table;
+
+ switch (clk_type) {
+ case SMU_SOCCLK:
+ *count = clk_table->NumSocClkLevelsEnabled;
+ break;
+ case SMU_VCLK:
+ case SMU_DCLK:
+ *count = clk_table->Vcn0ClkLevelsEnabled;
+ break;
+ case SMU_VCLK1:
+ case SMU_DCLK1:
+ *count = clk_table->Vcn1ClkLevelsEnabled;
+ break;
+ case SMU_MCLK:
+ *count = clk_table->NumMemPstatesEnabled;
+ break;
+ case SMU_FCLK:
+ *count = clk_table->NumFclkLevelsEnabled;
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
static int smu_v14_0_0_get_dpm_level_count(struct smu_context *smu,
enum smu_clk_type clk_type,
uint32_t *count)
@@ -840,6 +1073,18 @@ static int smu_v14_0_0_get_dpm_level_count(struct smu_context *smu,
return 0;
}
+static int smu_v14_0_common_get_dpm_level_count(struct smu_context *smu,
+ enum smu_clk_type clk_type,
+ uint32_t *count)
+{
+ if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 0))
+ smu_v14_0_0_get_dpm_level_count(smu, clk_type, count);
+ else if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 1))
+ smu_v14_0_1_get_dpm_level_count(smu, clk_type, count);
+
+ return 0;
+}
+
static int smu_v14_0_0_print_clk_levels(struct smu_context *smu,
enum smu_clk_type clk_type, char *buf)
{
@@ -866,18 +1111,20 @@ static int smu_v14_0_0_print_clk_levels(struct smu_context *smu,
case SMU_SOCCLK:
case SMU_VCLK:
case SMU_DCLK:
+ case SMU_VCLK1:
+ case SMU_DCLK1:
case SMU_MCLK:
case SMU_FCLK:
ret = smu_v14_0_0_get_current_clk_freq(smu, clk_type, &cur_value);
if (ret)
break;
- ret = smu_v14_0_0_get_dpm_level_count(smu, clk_type, &count);
+ ret = smu_v14_0_common_get_dpm_level_count(smu, clk_type, &count);
if (ret)
break;
for (i = 0; i < count; i++) {
- ret = smu_v14_0_0_get_dpm_freq_by_index(smu, clk_type, i, &value);
+ ret = smu_v14_0_common_get_dpm_freq_by_index(smu, clk_type, i, &value);
if (ret)
break;
@@ -940,8 +1187,13 @@ static int smu_v14_0_0_set_soft_freq_limited_range(struct smu_context *smu,
break;
case SMU_VCLK:
case SMU_DCLK:
- msg_set_min = SMU_MSG_SetHardMinVcn;
- msg_set_max = SMU_MSG_SetSoftMaxVcn;
+ msg_set_min = SMU_MSG_SetHardMinVcn0;
+ msg_set_max = SMU_MSG_SetSoftMaxVcn0;
+ break;
+ case SMU_VCLK1:
+ case SMU_DCLK1:
+ msg_set_min = SMU_MSG_SetHardMinVcn1;
+ msg_set_max = SMU_MSG_SetSoftMaxVcn1;
break;
default:
return -EINVAL;
@@ -971,11 +1223,11 @@ static int smu_v14_0_0_force_clk_levels(struct smu_context *smu,
case SMU_FCLK:
case SMU_VCLK:
case SMU_DCLK:
- ret = smu_v14_0_0_get_dpm_freq_by_index(smu, clk_type, soft_min_level, &min_freq);
+ ret = smu_v14_0_common_get_dpm_freq_by_index(smu, clk_type, soft_min_level, &min_freq);
if (ret)
break;
- ret = smu_v14_0_0_get_dpm_freq_by_index(smu, clk_type, soft_max_level, &max_freq);
+ ret = smu_v14_0_common_get_dpm_freq_by_index(smu, clk_type, soft_max_level, &max_freq);
if (ret)
break;
@@ -1000,25 +1252,25 @@ static int smu_v14_0_0_set_performance_level(struct smu_context *smu,
switch (level) {
case AMD_DPM_FORCED_LEVEL_HIGH:
- smu_v14_0_0_get_dpm_ultimate_freq(smu, SMU_SCLK, NULL, &sclk_max);
- smu_v14_0_0_get_dpm_ultimate_freq(smu, SMU_FCLK, NULL, &fclk_max);
- smu_v14_0_0_get_dpm_ultimate_freq(smu, SMU_SOCCLK, NULL, &socclk_max);
+ smu_v14_0_common_get_dpm_ultimate_freq(smu, SMU_SCLK, NULL, &sclk_max);
+ smu_v14_0_common_get_dpm_ultimate_freq(smu, SMU_FCLK, NULL, &fclk_max);
+ smu_v14_0_common_get_dpm_ultimate_freq(smu, SMU_SOCCLK, NULL, &socclk_max);
sclk_min = sclk_max;
fclk_min = fclk_max;
socclk_min = socclk_max;
break;
case AMD_DPM_FORCED_LEVEL_LOW:
- smu_v14_0_0_get_dpm_ultimate_freq(smu, SMU_SCLK, &sclk_min, NULL);
- smu_v14_0_0_get_dpm_ultimate_freq(smu, SMU_FCLK, &fclk_min, NULL);
- smu_v14_0_0_get_dpm_ultimate_freq(smu, SMU_SOCCLK, &socclk_min, NULL);
+ smu_v14_0_common_get_dpm_ultimate_freq(smu, SMU_SCLK, &sclk_min, NULL);
+ smu_v14_0_common_get_dpm_ultimate_freq(smu, SMU_FCLK, &fclk_min, NULL);
+ smu_v14_0_common_get_dpm_ultimate_freq(smu, SMU_SOCCLK, &socclk_min, NULL);
sclk_max = sclk_min;
fclk_max = fclk_min;
socclk_max = socclk_min;
break;
case AMD_DPM_FORCED_LEVEL_AUTO:
- smu_v14_0_0_get_dpm_ultimate_freq(smu, SMU_SCLK, &sclk_min, &sclk_max);
- smu_v14_0_0_get_dpm_ultimate_freq(smu, SMU_FCLK, &fclk_min, &fclk_max);
- smu_v14_0_0_get_dpm_ultimate_freq(smu, SMU_SOCCLK, &socclk_min, &socclk_max);
+ smu_v14_0_common_get_dpm_ultimate_freq(smu, SMU_SCLK, &sclk_min, &sclk_max);
+ smu_v14_0_common_get_dpm_ultimate_freq(smu, SMU_FCLK, &fclk_min, &fclk_max);
+ smu_v14_0_common_get_dpm_ultimate_freq(smu, SMU_SOCCLK, &socclk_min, &socclk_max);
break;
case AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD:
case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK:
@@ -1067,6 +1319,18 @@ static int smu_v14_0_0_set_performance_level(struct smu_context *smu,
return ret;
}
+static int smu_v14_0_1_set_fine_grain_gfx_freq_parameters(struct smu_context *smu)
+{
+ DpmClocks_t_v14_0_1 *clk_table = smu->smu_table.clocks_table;
+
+ smu->gfx_default_hard_min_freq = clk_table->MinGfxClk;
+ smu->gfx_default_soft_max_freq = clk_table->MaxGfxClk;
+ smu->gfx_actual_hard_min_freq = 0;
+ smu->gfx_actual_soft_max_freq = 0;
+
+ return 0;
+}
+
static int smu_v14_0_0_set_fine_grain_gfx_freq_parameters(struct smu_context *smu)
{
DpmClocks_t *clk_table = smu->smu_table.clocks_table;
@@ -1079,6 +1343,16 @@ static int smu_v14_0_0_set_fine_grain_gfx_freq_parameters(struct smu_context *sm
return 0;
}
+static int smu_v14_0_common_set_fine_grain_gfx_freq_parameters(struct smu_context *smu)
+{
+ if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 0))
+ smu_v14_0_0_set_fine_grain_gfx_freq_parameters(smu);
+ else if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 1))
+ smu_v14_0_1_set_fine_grain_gfx_freq_parameters(smu);
+
+ return 0;
+}
+
static int smu_v14_0_0_set_vpe_enable(struct smu_context *smu,
bool enable)
{
@@ -1095,6 +1369,25 @@ static int smu_v14_0_0_set_umsch_mm_enable(struct smu_context *smu,
0, NULL);
}
+static int smu_14_0_1_get_dpm_table(struct smu_context *smu, struct dpm_clocks *clock_table)
+{
+ DpmClocks_t_v14_0_1 *clk_table = smu->smu_table.clocks_table;
+ uint8_t idx;
+
+ /* Only the Clock information of SOC and VPE is copied to provide VPE DPM settings for use. */
+ for (idx = 0; idx < NUM_SOCCLK_DPM_LEVELS; idx++) {
+ clock_table->SocClocks[idx].Freq = (idx < clk_table->NumSocClkLevelsEnabled) ? clk_table->SocClocks[idx]:0;
+ clock_table->SocClocks[idx].Vol = 0;
+ }
+
+ for (idx = 0; idx < NUM_VPE_DPM_LEVELS; idx++) {
+ clock_table->VPEClocks[idx].Freq = (idx < clk_table->VpeClkLevelsEnabled) ? clk_table->VPEClocks[idx]:0;
+ clock_table->VPEClocks[idx].Vol = 0;
+ }
+
+ return 0;
+}
+
static int smu_14_0_0_get_dpm_table(struct smu_context *smu, struct dpm_clocks *clock_table)
{
DpmClocks_t *clk_table = smu->smu_table.clocks_table;
@@ -1114,6 +1407,16 @@ static int smu_14_0_0_get_dpm_table(struct smu_context *smu, struct dpm_clocks *
return 0;
}
+static int smu_v14_0_common_get_dpm_table(struct smu_context *smu, struct dpm_clocks *clock_table)
+{
+ if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 0))
+ smu_14_0_0_get_dpm_table(smu, clock_table);
+ else if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 1))
+ smu_14_0_1_get_dpm_table(smu, clock_table);
+
+ return 0;
+}
+
static const struct pptable_funcs smu_v14_0_0_ppt_funcs = {
.check_fw_status = smu_v14_0_check_fw_status,
.check_fw_version = smu_v14_0_check_fw_version,
@@ -1135,16 +1438,16 @@ static const struct pptable_funcs smu_v14_0_0_ppt_funcs = {
.set_driver_table_location = smu_v14_0_set_driver_table_location,
.gfx_off_control = smu_v14_0_gfx_off_control,
.mode2_reset = smu_v14_0_0_mode2_reset,
- .get_dpm_ultimate_freq = smu_v14_0_0_get_dpm_ultimate_freq,
+ .get_dpm_ultimate_freq = smu_v14_0_common_get_dpm_ultimate_freq,
.od_edit_dpm_table = smu_v14_0_od_edit_dpm_table,
.print_clk_levels = smu_v14_0_0_print_clk_levels,
.force_clk_levels = smu_v14_0_0_force_clk_levels,
.set_performance_level = smu_v14_0_0_set_performance_level,
- .set_fine_grain_gfx_freq_parameters = smu_v14_0_0_set_fine_grain_gfx_freq_parameters,
+ .set_fine_grain_gfx_freq_parameters = smu_v14_0_common_set_fine_grain_gfx_freq_parameters,
.set_gfx_power_up_by_imu = smu_v14_0_set_gfx_power_up_by_imu,
.dpm_set_vpe_enable = smu_v14_0_0_set_vpe_enable,
.dpm_set_umsch_mm_enable = smu_v14_0_0_set_umsch_mm_enable,
- .get_dpm_clock_table = smu_14_0_0_get_dpm_table,
+ .get_dpm_clock_table = smu_v14_0_common_get_dpm_table,
};
static void smu_v14_0_0_set_smu_mailbox_registers(struct smu_context *smu)
--
GitLab
From 533eefb9be76c3b23d220ee18edfda8eb56cefff Mon Sep 17 00:00:00 2001
From: Yifan Zhang <yifan1.zhang@amd.com>
Date: Tue, 12 Dec 2023 17:17:05 +0800
Subject: [PATCH 2355/2686] drm/amdgpu: add smu 14.0.1 discovery support
This patch to add smu 14.0.1 support
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index fdd36fb027ab6..ac5bf01fe8d2a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -1896,6 +1896,7 @@ static int amdgpu_discovery_set_smu_ip_blocks(struct amdgpu_device *adev)
amdgpu_device_ip_block_add(adev, &smu_v13_0_ip_block);
break;
case IP_VERSION(14, 0, 0):
+ case IP_VERSION(14, 0, 1):
amdgpu_device_ip_block_add(adev, &smu_v14_0_ip_block);
break;
default:
--
GitLab
From f886b49feaae30acd599e37d4284836024b0f3ed Mon Sep 17 00:00:00 2001
From: Tao Zhou <tao.zhou1@amd.com>
Date: Thu, 28 Mar 2024 18:22:10 +0800
Subject: [PATCH 2356/2686] drm/amdgpu: implement IRQ_STATE_ENABLE for SDMA
v4.4.2
SDMA_CNTL is not set in some cases, driver configures it by itself.
v2: simplify code
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | 16 +++-------------
1 file changed, 3 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
index 34237a1b1f2e4..82eab49be82bb 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
@@ -1602,19 +1602,9 @@ static int sdma_v4_4_2_set_ecc_irq_state(struct amdgpu_device *adev,
u32 sdma_cntl;
sdma_cntl = RREG32_SDMA(type, regSDMA_CNTL);
- switch (state) {
- case AMDGPU_IRQ_STATE_DISABLE:
- sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA_CNTL,
- DRAM_ECC_INT_ENABLE, 0);
- WREG32_SDMA(type, regSDMA_CNTL, sdma_cntl);
- break;
- /* sdma ecc interrupt is enabled by default
- * driver doesn't need to do anything to
- * enable the interrupt */
- case AMDGPU_IRQ_STATE_ENABLE:
- default:
- break;
- }
+ sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA_CNTL, DRAM_ECC_INT_ENABLE,
+ state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
+ WREG32_SDMA(type, regSDMA_CNTL, sdma_cntl);
return 0;
}
--
GitLab
From ecedd99a9369fb5cde601ae9abd58bca2739f1ae Mon Sep 17 00:00:00 2001
From: Alex Hung <alex.hung@amd.com>
Date: Fri, 15 Mar 2024 21:25:25 -0600
Subject: [PATCH 2357/2686] drm/amd/display: Skip on writeback when it's not
applicable
[WHY]
dynamic memory safety error detector (KASAN) catches and generates error
messages "BUG: KASAN: slab-out-of-bounds" as writeback connector does not
support certain features which are not initialized.
[HOW]
Skip them when connector type is DRM_MODE_CONNECTOR_WRITEBACK.
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3199
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Acked-by: Roman Li <roman.li@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 173438fc75375..6cf0d5f276feb 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3047,6 +3047,10 @@ static int dm_resume(void *handle)
/* Do mst topology probing after resuming cached state*/
drm_connector_list_iter_begin(ddev, &iter);
drm_for_each_connector_iter(connector, &iter) {
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK)
+ continue;
+
aconnector = to_amdgpu_dm_connector(connector);
if (aconnector->dc_link->type != dc_connection_mst_branch ||
aconnector->mst_root)
@@ -5926,6 +5930,9 @@ get_highest_refresh_rate_mode(struct amdgpu_dm_connector *aconnector,
&aconnector->base.probed_modes :
&aconnector->base.modes;
+ if (aconnector->base.connector_type == DRM_MODE_CONNECTOR_WRITEBACK)
+ return NULL;
+
if (aconnector->freesync_vid_base.clock != 0)
return &aconnector->freesync_vid_base;
@@ -8767,10 +8774,10 @@ static void amdgpu_dm_commit_audio(struct drm_device *dev,
if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
continue;
+notify:
if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK)
continue;
-notify:
aconnector = to_amdgpu_dm_connector(connector);
mutex_lock(&adev->dm.audio_lock);
--
GitLab
From 3818708e9c9712e2ba4006bc23502ee7b031bd3f Mon Sep 17 00:00:00 2001
From: Kenneth Feng <kenneth.feng@amd.com>
Date: Thu, 28 Mar 2024 11:00:50 +0800
Subject: [PATCH 2358/2686] drm/amd/pm: fix the high voltage issue after unload
fix the high voltage issue after unload on smu 13.0.10
Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 26 ++++++++++--------
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 27 +++++++++++++++++--
drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h | 1 +
.../drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 8 +++++-
4 files changed, 48 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index aa16d51dd8421..7753a2e64d411 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4135,18 +4135,22 @@ int amdgpu_device_init(struct amdgpu_device *adev,
adev->ip_blocks[i].status.hw = true;
}
}
+ } else if (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 10) &&
+ !amdgpu_device_has_display_hardware(adev)) {
+ r = psp_gpu_reset(adev);
} else {
- tmp = amdgpu_reset_method;
- /* It should do a default reset when loading or reloading the driver,
- * regardless of the module parameter reset_method.
- */
- amdgpu_reset_method = AMD_RESET_METHOD_NONE;
- r = amdgpu_asic_reset(adev);
- amdgpu_reset_method = tmp;
- if (r) {
- dev_err(adev->dev, "asic reset on init failed\n");
- goto failed;
- }
+ tmp = amdgpu_reset_method;
+ /* It should do a default reset when loading or reloading the driver,
+ * regardless of the module parameter reset_method.
+ */
+ amdgpu_reset_method = AMD_RESET_METHOD_NONE;
+ r = amdgpu_asic_reset(adev);
+ amdgpu_reset_method = tmp;
+ }
+
+ if (r) {
+ dev_err(adev->dev, "asic reset on init failed\n");
+ goto failed;
}
}
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 246b211b1e85f..65333141b1c1b 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -735,7 +735,7 @@ static int smu_early_init(void *handle)
smu->adev = adev;
smu->pm_enabled = !!amdgpu_dpm;
smu->is_apu = false;
- smu->smu_baco.state = SMU_BACO_STATE_EXIT;
+ smu->smu_baco.state = SMU_BACO_STATE_NONE;
smu->smu_baco.platform_support = false;
smu->user_dpm_profile.fan_mode = -1;
@@ -1966,10 +1966,25 @@ static int smu_smc_hw_cleanup(struct smu_context *smu)
return 0;
}
+static int smu_reset_mp1_state(struct smu_context *smu)
+{
+ struct amdgpu_device *adev = smu->adev;
+ int ret = 0;
+
+ if ((!adev->in_runpm) && (!adev->in_suspend) &&
+ (!amdgpu_in_reset(adev)) && amdgpu_ip_version(adev, MP1_HWIP, 0) ==
+ IP_VERSION(13, 0, 10) &&
+ !amdgpu_device_has_display_hardware(adev))
+ ret = smu_set_mp1_state(smu, PP_MP1_STATE_UNLOAD);
+
+ return ret;
+}
+
static int smu_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = adev->powerplay.pp_handle;
+ int ret;
if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
return 0;
@@ -1987,7 +2002,15 @@ static int smu_hw_fini(void *handle)
adev->pm.dpm_enabled = false;
- return smu_smc_hw_cleanup(smu);
+ ret = smu_smc_hw_cleanup(smu);
+ if (ret)
+ return ret;
+
+ ret = smu_reset_mp1_state(smu);
+ if (ret)
+ return ret;
+
+ return 0;
}
static void smu_late_fini(void *handle)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
index a870bdd49a4e3..1fa81575788c5 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
@@ -424,6 +424,7 @@ enum smu_reset_mode {
enum smu_baco_state {
SMU_BACO_STATE_ENTER = 0,
SMU_BACO_STATE_EXIT,
+ SMU_BACO_STATE_NONE,
};
struct smu_baco_context {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index 9c03296f92cdd..67117ced7c6ae 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -2751,7 +2751,13 @@ static int smu_v13_0_0_set_mp1_state(struct smu_context *smu,
switch (mp1_state) {
case PP_MP1_STATE_UNLOAD:
- ret = smu_cmn_set_mp1_state(smu, mp1_state);
+ ret = smu_cmn_send_smc_msg_with_param(smu,
+ SMU_MSG_PrepareMp1ForUnload,
+ 0x55, NULL);
+
+ if (!ret && smu->smu_baco.state == SMU_BACO_STATE_EXIT)
+ ret = smu_v13_0_disable_pmfw_state(smu);
+
break;
default:
/* Ignore others */
--
GitLab
From f7e232de51bb1b45646e5b7dc4ebcf13510f2630 Mon Sep 17 00:00:00 2001
From: Lijo Lazar <lijo.lazar@amd.com>
Date: Wed, 6 Mar 2024 17:05:07 +0530
Subject: [PATCH 2359/2686] drm/amdgpu: Fix VCN allocation in CPX partition
VCN need not be shared in CPX mode always for all GFX 9.4.3 SOC SKUs. In
certain configs, VCN instance can be exclusively allocated to a
partition even under CPX mode.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c
index d6f808acfb17b..fbb43ae7624f4 100644
--- a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c
+++ b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c
@@ -62,6 +62,11 @@ void aqua_vanjaram_doorbell_index_init(struct amdgpu_device *adev)
adev->doorbell_index.max_assignment = AMDGPU_DOORBELL_LAYOUT1_MAX_ASSIGNMENT << 1;
}
+static bool aqua_vanjaram_xcp_vcn_shared(struct amdgpu_device *adev)
+{
+ return (adev->xcp_mgr->num_xcps > adev->vcn.num_vcn_inst);
+}
+
static void aqua_vanjaram_set_xcp_id(struct amdgpu_device *adev,
uint32_t inst_idx, struct amdgpu_ring *ring)
{
@@ -87,7 +92,7 @@ static void aqua_vanjaram_set_xcp_id(struct amdgpu_device *adev,
case AMDGPU_RING_TYPE_VCN_ENC:
case AMDGPU_RING_TYPE_VCN_JPEG:
ip_blk = AMDGPU_XCP_VCN;
- if (adev->xcp_mgr->mode == AMDGPU_CPX_PARTITION_MODE)
+ if (aqua_vanjaram_xcp_vcn_shared(adev))
inst_mask = 1 << (inst_idx * 2);
break;
default:
@@ -140,10 +145,12 @@ static int aqua_vanjaram_xcp_sched_list_update(
aqua_vanjaram_xcp_gpu_sched_update(adev, ring, ring->xcp_id);
- /* VCN is shared by two partitions under CPX MODE */
+ /* VCN may be shared by two partitions under CPX MODE in certain
+ * configs.
+ */
if ((ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC ||
- ring->funcs->type == AMDGPU_RING_TYPE_VCN_JPEG) &&
- adev->xcp_mgr->mode == AMDGPU_CPX_PARTITION_MODE)
+ ring->funcs->type == AMDGPU_RING_TYPE_VCN_JPEG) &&
+ aqua_vanjaram_xcp_vcn_shared(adev))
aqua_vanjaram_xcp_gpu_sched_update(adev, ring, ring->xcp_id + 1);
}
--
GitLab
From e33997e18d0fddd217a0fce988abbfd015338631 Mon Sep 17 00:00:00 2001
From: ZhenGuo Yin <zhenguo.yin@amd.com>
Date: Tue, 2 Apr 2024 11:41:05 +0800
Subject: [PATCH 2360/2686] drm/amdgpu: clear set_q_mode_offs when VM changed
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
[Why]
set_q_mode_offs don't get cleared after GPU reset, nexting SET_Q_MODE
packet to init shadow memory will be skiped, hence there has a page fault.
[How]
VM flush is needed after GPU reset, clear set_q_mode_offs when
emitting VM flush.
Fixes: 8bc75586ea01 ("drm/amdgpu: workaround to avoid SET_Q_MODE packets v2")
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: ZhenGuo Yin <zhenguo.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 1770e496c1b7c..2c82e27416190 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -5465,6 +5465,7 @@ static void gfx_v11_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
/* Make sure that we can't skip the SET_Q_MODE packets when the VM
* changed in any way.
*/
+ ring->set_q_mode_offs = 0;
ring->set_q_mode_ptr = NULL;
}
--
GitLab
From d06af584be5a769d124b7302b32a033e9559761d Mon Sep 17 00:00:00 2001
From: Zhigang Luo <Zhigang.Luo@amd.com>
Date: Mon, 18 Mar 2024 14:13:10 -0400
Subject: [PATCH 2361/2686] amd/amdkfd: sync all devices to wait all processes
being evicted
If there are more than one device doing reset in parallel, the first
device will call kfd_suspend_all_processes() to evict all processes
on all devices, this call takes time to finish. other device will
start reset and recover without waiting. if the process has not been
evicted before doing recover, it will be restored, then caused page
fault.
Signed-off-by: Zhigang Luo <Zhigang.Luo@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_device.c | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 041ec3de55e72..719d6d365e150 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -960,7 +960,6 @@ void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm)
{
struct kfd_node *node;
int i;
- int count;
if (!kfd->init_complete)
return;
@@ -968,12 +967,10 @@ void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm)
/* for runtime suspend, skip locking kfd */
if (!run_pm) {
mutex_lock(&kfd_processes_mutex);
- count = ++kfd_locked;
- mutex_unlock(&kfd_processes_mutex);
-
/* For first KFD device suspend all the KFD processes */
- if (count == 1)
+ if (++kfd_locked == 1)
kfd_suspend_all_processes();
+ mutex_unlock(&kfd_processes_mutex);
}
for (i = 0; i < kfd->num_nodes; i++) {
@@ -984,7 +981,7 @@ void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm)
int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm)
{
- int ret, count, i;
+ int ret, i;
if (!kfd->init_complete)
return 0;
@@ -998,12 +995,10 @@ int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm)
/* for runtime resume, skip unlocking kfd */
if (!run_pm) {
mutex_lock(&kfd_processes_mutex);
- count = --kfd_locked;
- mutex_unlock(&kfd_processes_mutex);
-
- WARN_ONCE(count < 0, "KFD suspend / resume ref. error");
- if (count == 0)
+ if (--kfd_locked == 0)
ret = kfd_resume_all_processes();
+ WARN_ONCE(kfd_locked < 0, "KFD suspend / resume ref. error");
+ mutex_unlock(&kfd_processes_mutex);
}
return ret;
--
GitLab
From 2cc69a10d83180f3de9f5afe3a98e972b1453d4c Mon Sep 17 00:00:00 2001
From: Alex Hung <alex.hung@amd.com>
Date: Sat, 23 Mar 2024 12:02:54 -0600
Subject: [PATCH 2362/2686] drm/amd/display: Return max resolution supported by
DWB
mode_config's max width x height is 4096x2160 and is higher than DWB's
max resolution 3840x2160 which is returned instead.
Cc: stable@vger.kernel.org
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c
index 16e72d623630c..08c494a7a21ba 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c
@@ -76,10 +76,8 @@ static int amdgpu_dm_wb_encoder_atomic_check(struct drm_encoder *encoder,
static int amdgpu_dm_wb_connector_get_modes(struct drm_connector *connector)
{
- struct drm_device *dev = connector->dev;
-
- return drm_add_modes_noedid(connector, dev->mode_config.max_width,
- dev->mode_config.max_height);
+ /* Maximum resolution supported by DWB */
+ return drm_add_modes_noedid(connector, 3840, 2160);
}
static int amdgpu_dm_wb_prepare_job(struct drm_writeback_connector *wb_connector,
--
GitLab
From bbca7f414ae9a12ea231cdbafd79c607e3337ea8 Mon Sep 17 00:00:00 2001
From: Tim Huang <Tim.Huang@amd.com>
Date: Wed, 3 Apr 2024 17:28:44 +0800
Subject: [PATCH 2363/2686] drm/amdgpu: fix incorrect number of active RBs for
gfx11
The RB bitmap should be global active RB bitmap &
active RB bitmap based on active SA.
Signed-off-by: Tim Huang <Tim.Huang@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 2c82e27416190..f7325b02a191f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -1635,7 +1635,7 @@ static void gfx_v11_0_setup_rb(struct amdgpu_device *adev)
active_rb_bitmap |= (0x3 << (i * rb_bitmap_width_per_sa));
}
- active_rb_bitmap |= global_active_rb_bitmap;
+ active_rb_bitmap &= global_active_rb_bitmap;
adev->gfx.config.backend_enable_mask = active_rb_bitmap;
adev->gfx.config.num_rbs = hweight32(active_rb_bitmap);
}
--
GitLab
From 81901d8d0472e9a19d294ae1dea76b950548195d Mon Sep 17 00:00:00 2001
From: Wenjing Liu <wenjing.liu@amd.com>
Date: Fri, 22 Mar 2024 15:02:45 -0400
Subject: [PATCH 2364/2686] drm/amd/display: always reset ODM mode in context
when adding first plane
[why]
In current implemenation ODM mode is only reset when the last plane is
removed from dc state. For any dc validate we will always remove all
current planes and add new planes. However when switching from no planes
to 1 plane, ODM mode is not reset because no planes get removed. This
has caused an issue where we kept ODM combine when it should have been
remove when a plane is added. The change is to reset ODM mode when
adding the first plane.
Cc: stable@vger.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_state.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c b/drivers/gpu/drm/amd/display/dc/core/dc_state.c
index 5cc7f8da209c5..61986e5cb4919 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c
@@ -436,6 +436,15 @@ bool dc_state_add_plane(
goto out;
}
+ if (stream_status->plane_count == 0 && dc->config.enable_windowed_mpo_odm)
+ /* ODM combine could prevent us from supporting more planes
+ * we will reset ODM slice count back to 1 when all planes have
+ * been removed to maximize the amount of planes supported when
+ * new planes are added.
+ */
+ resource_update_pipes_for_stream_with_slice_count(
+ state, dc->current_state, dc->res_pool, stream, 1);
+
otg_master_pipe = resource_get_otg_master_for_stream(
&state->res_ctx, stream);
if (otg_master_pipe)
--
GitLab
From 953927587f37b731abdeabe46ad44a3b3ec67a52 Mon Sep 17 00:00:00 2001
From: Dillon Varone <dillon.varone@amd.com>
Date: Thu, 21 Mar 2024 13:49:43 -0400
Subject: [PATCH 2365/2686] drm/amd/display: Do not recursively call manual
trigger programming
[WHY&HOW]
We should not be recursively calling the manual trigger programming function when
FAMS is not in use.
Cc: stable@vger.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c b/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c
index f07a4c7e48bc2..52eab8fccb7f1 100644
--- a/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c
@@ -267,9 +267,6 @@ static void optc32_setup_manual_trigger(struct timing_generator *optc)
OTG_V_TOTAL_MAX_SEL, 1,
OTG_FORCE_LOCK_ON_EVENT, 0,
OTG_SET_V_TOTAL_MIN_MASK, (1 << 1)); /* TRIGA */
-
- // Setup manual flow control for EOF via TRIG_A
- optc->funcs->setup_manual_trigger(optc);
}
}
--
GitLab
From cf79814cb0bf5749b9f0db53ca231aa540c02768 Mon Sep 17 00:00:00 2001
From: Fudongwang <fudong.wang@amd.com>
Date: Tue, 26 Mar 2024 16:03:16 +0800
Subject: [PATCH 2366/2686] drm/amd/display: fix disable otg wa logic in DCN316
[Why]
Wrong logic cause screen corruption.
[How]
Port logic from DCN35/314.
Cc: stable@vger.kernel.org
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Fudongwang <fudong.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../dc/clk_mgr/dcn316/dcn316_clk_mgr.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c
index 12f3e8aa46d8d..6ad4f4efec5dd 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c
@@ -99,20 +99,25 @@ static int dcn316_get_active_display_cnt_wa(
return display_count;
}
-static void dcn316_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *context, bool disable)
+static void dcn316_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *context,
+ bool safe_to_lower, bool disable)
{
struct dc *dc = clk_mgr_base->ctx->dc;
int i;
for (i = 0; i < dc->res_pool->pipe_count; ++i) {
- struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
+ struct pipe_ctx *pipe = safe_to_lower
+ ? &context->res_ctx.pipe_ctx[i]
+ : &dc->current_state->res_ctx.pipe_ctx[i];
if (pipe->top_pipe || pipe->prev_odm_pipe)
continue;
- if (pipe->stream && (pipe->stream->dpms_off || pipe->plane_state == NULL ||
- dc_is_virtual_signal(pipe->stream->signal))) {
+ if (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal) ||
+ !pipe->stream->link_enc)) {
if (disable) {
- pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg);
+ if (pipe->stream_res.tg && pipe->stream_res.tg->funcs->immediate_disable_crtc)
+ pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg);
+
reset_sync_context_for_pipe(dc, context, i);
} else
pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg);
@@ -207,11 +212,11 @@ static void dcn316_update_clocks(struct clk_mgr *clk_mgr_base,
}
if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) {
- dcn316_disable_otg_wa(clk_mgr_base, context, true);
+ dcn316_disable_otg_wa(clk_mgr_base, context, safe_to_lower, true);
clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz;
dcn316_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz);
- dcn316_disable_otg_wa(clk_mgr_base, context, false);
+ dcn316_disable_otg_wa(clk_mgr_base, context, safe_to_lower, false);
update_dispclk = true;
}
--
GitLab
From 9e61ef8d219877202d4ee51d0d2ad9072c99a262 Mon Sep 17 00:00:00 2001
From: Harry Wentland <harry.wentland@amd.com>
Date: Tue, 12 Mar 2024 11:55:52 -0400
Subject: [PATCH 2367/2686] drm/amd/display: Program VSC SDP colorimetry for
all DP sinks >= 1.4
In order for display colorimetry to work correctly on DP displays
we need to send the VSC SDP packet. We should only do so for
panels with DPCD revision greater or equal to 1.4 as older
receivers might have problems with it.
Cc: stable@vger.kernel.org
Cc: Joshua Ashton <joshua@froggi.es>
Cc: Xaver Hugl <xaver.hugl@gmail.com>
Cc: Melissa Wen <mwen@igalia.com>
Cc: Agustin Gutierrez <Agustin.Gutierrez@amd.com>
Reviewed-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 6cf0d5f276feb..d112ce6c812ce 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6318,7 +6318,9 @@ create_stream_for_sink(struct drm_connector *connector,
if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A)
mod_build_hf_vsif_infopacket(stream, &stream->vsp_infopacket);
- if (stream->link->psr_settings.psr_feature_enabled || stream->link->replay_settings.replay_feature_enabled) {
+ if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT ||
+ stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST ||
+ stream->signal == SIGNAL_TYPE_EDP) {
//
// should decide stream support vsc sdp colorimetry capability
// before building vsc info packet
@@ -6328,7 +6330,8 @@ create_stream_for_sink(struct drm_connector *connector,
stream->use_vsc_sdp_for_colorimetry =
aconnector->dc_sink->is_vsc_sdp_colorimetry_supported;
} else {
- if (stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED)
+ if (stream->link->dpcd_caps.dpcd_rev.raw >= 0x14 &&
+ stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED)
stream->use_vsc_sdp_for_colorimetry = true;
}
if (stream->out_transfer_func->tf == TRANSFER_FUNCTION_GAMMA22)
--
GitLab
From c3e2a5f2da904a18661335e8be2b961738574998 Mon Sep 17 00:00:00 2001
From: Harry Wentland <harry.wentland@amd.com>
Date: Thu, 21 Mar 2024 11:13:38 -0400
Subject: [PATCH 2368/2686] drm/amd/display: Set VSC SDP Colorimetry same way
for MST and SST
The previous check for the is_vsc_sdp_colorimetry_supported flag
for MST sink signals did nothing. Simplify the code and use the
same check for MST and SST.
Cc: stable@vger.kernel.org
Reviewed-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index d112ce6c812ce..6d2f60c61decc 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6325,15 +6325,9 @@ create_stream_for_sink(struct drm_connector *connector,
// should decide stream support vsc sdp colorimetry capability
// before building vsc info packet
//
- stream->use_vsc_sdp_for_colorimetry = false;
- if (aconnector->dc_sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
- stream->use_vsc_sdp_for_colorimetry =
- aconnector->dc_sink->is_vsc_sdp_colorimetry_supported;
- } else {
- if (stream->link->dpcd_caps.dpcd_rev.raw >= 0x14 &&
- stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED)
- stream->use_vsc_sdp_for_colorimetry = true;
- }
+ stream->use_vsc_sdp_for_colorimetry = stream->link->dpcd_caps.dpcd_rev.raw >= 0x14 &&
+ stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED;
+
if (stream->out_transfer_func->tf == TRANSFER_FUNCTION_GAMMA22)
tf = TRANSFER_FUNC_GAMMA_22;
mod_build_vsc_infopacket(stream, &stream->vsc_infopacket, stream->output_color_space, tf);
--
GitLab
From e047dd448d2bc12b8c30d7e3e6e98cea1fc28a17 Mon Sep 17 00:00:00 2001
From: Zhongwei <zhongwei.zhang@amd.com>
Date: Wed, 27 Mar 2024 13:49:40 +0800
Subject: [PATCH 2369/2686] drm/amd/display: Adjust dprefclk by down spread
percentage.
[Why]
OLED panels show no display for large vtotal timings.
[How]
Check if ss is enabled and read from lut for spread spectrum percentage.
Adjust dprefclk as required. DP_DTO adjustment is for edp only.
Cc: stable@vger.kernel.org
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Zhongwei <zhongwei.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c | 50 +++++++++++++++++++
.../drm/amd/display/dc/dce/dce_clock_source.c | 8 +--
2 files changed, 54 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
index 101fe96287cb4..d9c5692c86c21 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
@@ -73,6 +73,12 @@
#define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_SEL_MASK 0x00000007L
#define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_DIV_MASK 0x000F0000L
+#define regCLK5_0_CLK5_spll_field_8 0x464b
+#define regCLK5_0_CLK5_spll_field_8_BASE_IDX 0
+
+#define CLK5_0_CLK5_spll_field_8__spll_ssc_en__SHIFT 0xd
+#define CLK5_0_CLK5_spll_field_8__spll_ssc_en_MASK 0x00002000L
+
#define SMU_VER_THRESHOLD 0x5D4A00 //93.74.0
#define REG(reg_name) \
@@ -411,6 +417,17 @@ static void dcn35_dump_clk_registers(struct clk_state_registers_and_bypass *regs
{
}
+static bool dcn35_is_spll_ssc_enabled(struct clk_mgr *clk_mgr_base)
+{
+ struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
+ struct dc_context *ctx = clk_mgr->base.ctx;
+ uint32_t ssc_enable;
+
+ REG_GET(CLK5_0_CLK5_spll_field_8, spll_ssc_en, &ssc_enable);
+
+ return ssc_enable == 1;
+}
+
static void init_clk_states(struct clk_mgr *clk_mgr)
{
struct clk_mgr_internal *clk_mgr_int = TO_CLK_MGR_INTERNAL(clk_mgr);
@@ -428,7 +445,16 @@ static void init_clk_states(struct clk_mgr *clk_mgr)
void dcn35_init_clocks(struct clk_mgr *clk_mgr)
{
+ struct clk_mgr_internal *clk_mgr_int = TO_CLK_MGR_INTERNAL(clk_mgr);
init_clk_states(clk_mgr);
+
+ // to adjust dp_dto reference clock if ssc is enable otherwise to apply dprefclk
+ if (dcn35_is_spll_ssc_enabled(clk_mgr))
+ clk_mgr->dp_dto_source_clock_in_khz =
+ dce_adjust_dp_ref_freq_for_ss(clk_mgr_int, clk_mgr->dprefclk_khz);
+ else
+ clk_mgr->dp_dto_source_clock_in_khz = clk_mgr->dprefclk_khz;
+
}
static struct clk_bw_params dcn35_bw_params = {
.vram_type = Ddr4MemType,
@@ -517,6 +543,28 @@ static DpmClocks_t_dcn35 dummy_clocks;
static struct dcn35_watermarks dummy_wms = { 0 };
+static struct dcn35_ss_info_table ss_info_table = {
+ .ss_divider = 1000,
+ .ss_percentage = {0, 0, 375, 375, 375}
+};
+
+static void dcn35_read_ss_info_from_lut(struct clk_mgr_internal *clk_mgr)
+{
+ struct dc_context *ctx = clk_mgr->base.ctx;
+ uint32_t clock_source;
+
+ REG_GET(CLK1_CLK2_BYPASS_CNTL, CLK2_BYPASS_SEL, &clock_source);
+ // If it's DFS mode, clock_source is 0.
+ if (dcn35_is_spll_ssc_enabled(&clk_mgr->base) && (clock_source < ARRAY_SIZE(ss_info_table.ss_percentage))) {
+ clk_mgr->dprefclk_ss_percentage = ss_info_table.ss_percentage[clock_source];
+
+ if (clk_mgr->dprefclk_ss_percentage != 0) {
+ clk_mgr->ss_on_dprefclk = true;
+ clk_mgr->dprefclk_ss_divider = ss_info_table.ss_divider;
+ }
+ }
+}
+
static void dcn35_build_watermark_ranges(struct clk_bw_params *bw_params, struct dcn35_watermarks *table)
{
int i, num_valid_sets;
@@ -1061,6 +1109,8 @@ void dcn35_clk_mgr_construct(
dce_clock_read_ss_info(&clk_mgr->base);
/*when clk src is from FCH, it could have ss, same clock src as DPREF clk*/
+ dcn35_read_ss_info_from_lut(&clk_mgr->base);
+
clk_mgr->base.base.bw_params = &dcn35_bw_params;
if (clk_mgr->base.base.ctx->dc->debug.pstate_enabled) {
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
index 970644b695cd4..b5e0289d2fe82 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
@@ -976,7 +976,10 @@ static bool dcn31_program_pix_clk(
struct bp_pixel_clock_parameters bp_pc_params = {0};
enum transmitter_color_depth bp_pc_colour_depth = TRANSMITTER_COLOR_DEPTH_24;
- if (clock_source->ctx->dc->clk_mgr->dp_dto_source_clock_in_khz != 0)
+ // Apply ssed(spread spectrum) dpref clock for edp only.
+ if (clock_source->ctx->dc->clk_mgr->dp_dto_source_clock_in_khz != 0
+ && pix_clk_params->signal_type == SIGNAL_TYPE_EDP
+ && encoding == DP_8b_10b_ENCODING)
dp_dto_ref_khz = clock_source->ctx->dc->clk_mgr->dp_dto_source_clock_in_khz;
// For these signal types Driver to program DP_DTO without calling VBIOS Command table
if (dc_is_dp_signal(pix_clk_params->signal_type) || dc_is_virtual_signal(pix_clk_params->signal_type)) {
@@ -1093,9 +1096,6 @@ static bool get_pixel_clk_frequency_100hz(
unsigned int modulo_hz = 0;
unsigned int dp_dto_ref_khz = clock_source->ctx->dc->clk_mgr->dprefclk_khz;
- if (clock_source->ctx->dc->clk_mgr->dp_dto_source_clock_in_khz != 0)
- dp_dto_ref_khz = clock_source->ctx->dc->clk_mgr->dp_dto_source_clock_in_khz;
-
if (clock_source->id == CLOCK_SOURCE_ID_DP_DTO) {
clock_hz = REG_READ(PHASE[inst]);
--
GitLab
From 6dba20d23e85034901ccb765a7ca71199bcca4df Mon Sep 17 00:00:00 2001
From: Yifan Zhang <yifan1.zhang@amd.com>
Date: Sun, 7 Apr 2024 22:01:35 +0800
Subject: [PATCH 2370/2686] drm/amdgpu: differentiate external rev id for gfx
11.5.0
This patch to differentiate external rev id for gfx 11.5.0.
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/amd/amdgpu/soc21.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c
index abe319b0f0639..43ca63fe85ac3 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc21.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc21.c
@@ -720,7 +720,10 @@ static int soc21_common_early_init(void *handle)
AMD_PG_SUPPORT_VCN |
AMD_PG_SUPPORT_JPEG |
AMD_PG_SUPPORT_GFX_PG;
- adev->external_rev_id = adev->rev_id + 0x1;
+ if (adev->rev_id == 0)
+ adev->external_rev_id = 0x1;
+ else
+ adev->external_rev_id = adev->rev_id + 0x10;
break;
case IP_VERSION(11, 5, 1):
adev->cg_flags =
--
GitLab
From dec8ced871e17eea46f097542dd074d022be4bd1 Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@kernel.org>
Date: Tue, 5 Mar 2024 22:10:03 -0800
Subject: [PATCH 2371/2686] perf/x86: Fix out of range data
On x86 each struct cpu_hw_events maintains a table for counter assignment but
it missed to update one for the deleted event in x86_pmu_del(). This
can make perf_clear_dirty_counters() reset used counter if it's called
before event scheduling or enabling. Then it would return out of range
data which doesn't make sense.
The following code can reproduce the problem.
$ cat repro.c
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <linux/perf_event.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/syscall.h>
struct perf_event_attr attr = {
.type = PERF_TYPE_HARDWARE,
.config = PERF_COUNT_HW_CPU_CYCLES,
.disabled = 1,
};
void *worker(void *arg)
{
int cpu = (long)arg;
int fd1 = syscall(SYS_perf_event_open, &attr, -1, cpu, -1, 0);
int fd2 = syscall(SYS_perf_event_open, &attr, -1, cpu, -1, 0);
void *p;
do {
ioctl(fd1, PERF_EVENT_IOC_ENABLE, 0);
p = mmap(NULL, 4096, PROT_READ, MAP_SHARED, fd1, 0);
ioctl(fd2, PERF_EVENT_IOC_ENABLE, 0);
ioctl(fd2, PERF_EVENT_IOC_DISABLE, 0);
munmap(p, 4096);
ioctl(fd1, PERF_EVENT_IOC_DISABLE, 0);
} while (1);
return NULL;
}
int main(void)
{
int i;
int n = sysconf(_SC_NPROCESSORS_ONLN);
pthread_t *th = calloc(n, sizeof(*th));
for (i = 0; i < n; i++)
pthread_create(&th[i], NULL, worker, (void *)(long)i);
for (i = 0; i < n; i++)
pthread_join(th[i], NULL);
free(th);
return 0;
}
And you can see the out of range data using perf stat like this.
Probably it'd be easier to see on a large machine.
$ gcc -o repro repro.c -pthread
$ ./repro &
$ sudo perf stat -A -I 1000 2>&1 | awk '{ if (length($3) > 15) print }'
1.001028462 CPU6 196,719,295,683,763 cycles # 194290.996 GHz (71.54%)
1.001028462 CPU3 396,077,485,787,730 branch-misses # 15804359784.80% of all branches (71.07%)
1.001028462 CPU17 197,608,350,727,877 branch-misses # 14594186554.56% of all branches (71.22%)
2.020064073 CPU4 198,372,472,612,140 cycles # 194681.113 GHz (70.95%)
2.020064073 CPU6 199,419,277,896,696 cycles # 195720.007 GHz (70.57%)
2.020064073 CPU20 198,147,174,025,639 cycles # 194474.654 GHz (71.03%)
2.020064073 CPU20 198,421,240,580,145 stalled-cycles-frontend # 100.14% frontend cycles idle (70.93%)
3.037443155 CPU4 197,382,689,923,416 cycles # 194043.065 GHz (71.30%)
3.037443155 CPU20 196,324,797,879,414 cycles # 193003.773 GHz (71.69%)
3.037443155 CPU5 197,679,956,608,205 stalled-cycles-backend # 1315606428.66% backend cycles idle (71.19%)
3.037443155 CPU5 198,571,860,474,851 instructions # 13215422.58 insn per cycle
It should move the contents in the cpuc->assign as well.
Fixes: 5471eea5d3bf ("perf/x86: Reset the dirty counter to prevent the leak for an RDPMC task")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240306061003.1894224-1-namhyung@kernel.org
---
arch/x86/events/core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index 09050641ce5d3..5b0dd07b1ef19 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -1644,6 +1644,7 @@ static void x86_pmu_del(struct perf_event *event, int flags)
while (++i < cpuc->n_events) {
cpuc->event_list[i-1] = cpuc->event_list[i];
cpuc->event_constraint[i-1] = cpuc->event_constraint[i];
+ cpuc->assign[i-1] = cpuc->assign[i];
}
cpuc->event_constraint[i-1] = NULL;
--cpuc->n_events;
--
GitLab
From 04f4230e2f86a4e961ea5466eda3db8c1762004d Mon Sep 17 00:00:00 2001
From: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Date: Tue, 9 Apr 2024 16:08:05 -0700
Subject: [PATCH 2372/2686] x86/bugs: Fix return type of spectre_bhi_state()
The definition of spectre_bhi_state() incorrectly returns a const char
* const. This causes the a compiler warning when building with W=1:
warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
2812 | static const char * const spectre_bhi_state(void)
Remove the const qualifier from the pointer.
Fixes: ec9404e40e8f ("x86/bhi: Add BHI mitigation knob")
Reported-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240409230806.1545822-1-daniel.sneddon@linux.intel.com
---
arch/x86/kernel/cpu/bugs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 295463707e681..27f5004a8e24f 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -2809,7 +2809,7 @@ static char *pbrsb_eibrs_state(void)
}
}
-static const char * const spectre_bhi_state(void)
+static const char *spectre_bhi_state(void)
{
if (!boot_cpu_has_bug(X86_BUG_BHI))
return "; BHI: Not affected";
--
GitLab
From 81665adf25d28a00a986533f1d3a5df76b79cad9 Mon Sep 17 00:00:00 2001
From: Brett Creeley <brett.creeley@amd.com>
Date: Mon, 8 Apr 2024 09:35:40 -0700
Subject: [PATCH 2373/2686] pds_core: Fix pdsc_check_pci_health function to use
work thread
When the driver notices fw_status == 0xff it tries to perform a PCI
reset on itself via pci_reset_function() in the context of the driver's
health thread. However, pdsc_reset_prepare calls
pdsc_stop_health_thread(), which attempts to stop/flush the health
thread. This results in a deadlock because the stop/flush will never
complete since the driver called pci_reset_function() from the health
thread context. Fix by changing the pdsc_check_pci_health_function()
to queue a newly introduced pdsc_pci_reset_thread() on the pdsc's
work queue.
Unloading the driver in the fw_down/dead state uncovered another issue,
which can be seen in the following trace:
WARNING: CPU: 51 PID: 6914 at kernel/workqueue.c:1450 __queue_work+0x358/0x440
[...]
RIP: 0010:__queue_work+0x358/0x440
[...]
Call Trace:
<TASK>
? __warn+0x85/0x140
? __queue_work+0x358/0x440
? report_bug+0xfc/0x1e0
? handle_bug+0x3f/0x70
? exc_invalid_op+0x17/0x70
? asm_exc_invalid_op+0x1a/0x20
? __queue_work+0x358/0x440
queue_work_on+0x28/0x30
pdsc_devcmd_locked+0x96/0xe0 [pds_core]
pdsc_devcmd_reset+0x71/0xb0 [pds_core]
pdsc_teardown+0x51/0xe0 [pds_core]
pdsc_remove+0x106/0x200 [pds_core]
pci_device_remove+0x37/0xc0
device_release_driver_internal+0xae/0x140
driver_detach+0x48/0x90
bus_remove_driver+0x6d/0xf0
pci_unregister_driver+0x2e/0xa0
pdsc_cleanup_module+0x10/0x780 [pds_core]
__x64_sys_delete_module+0x142/0x2b0
? syscall_trace_enter.isra.18+0x126/0x1a0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fbd9d03a14b
[...]
Fix this by preventing the devcmd reset if the FW is not running.
Fixes: d9407ff11809 ("pds_core: Prevent health thread from running during reset/remove")
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/amd/pds_core/core.c | 13 ++++++++++++-
drivers/net/ethernet/amd/pds_core/core.h | 2 ++
drivers/net/ethernet/amd/pds_core/dev.c | 3 +++
drivers/net/ethernet/amd/pds_core/main.c | 1 +
4 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/amd/pds_core/core.c b/drivers/net/ethernet/amd/pds_core/core.c
index 9662ee72814c0..536635e577279 100644
--- a/drivers/net/ethernet/amd/pds_core/core.c
+++ b/drivers/net/ethernet/amd/pds_core/core.c
@@ -593,6 +593,16 @@ void pdsc_fw_up(struct pdsc *pdsc)
pdsc_teardown(pdsc, PDSC_TEARDOWN_RECOVERY);
}
+void pdsc_pci_reset_thread(struct work_struct *work)
+{
+ struct pdsc *pdsc = container_of(work, struct pdsc, pci_reset_work);
+ struct pci_dev *pdev = pdsc->pdev;
+
+ pci_dev_get(pdev);
+ pci_reset_function(pdev);
+ pci_dev_put(pdev);
+}
+
static void pdsc_check_pci_health(struct pdsc *pdsc)
{
u8 fw_status;
@@ -607,7 +617,8 @@ static void pdsc_check_pci_health(struct pdsc *pdsc)
if (fw_status != PDS_RC_BAD_PCI)
return;
- pci_reset_function(pdsc->pdev);
+ /* prevent deadlock between pdsc_reset_prepare and pdsc_health_thread */
+ queue_work(pdsc->wq, &pdsc->pci_reset_work);
}
void pdsc_health_thread(struct work_struct *work)
diff --git a/drivers/net/ethernet/amd/pds_core/core.h b/drivers/net/ethernet/amd/pds_core/core.h
index 92d7657dd6147..a3e17a0c187a6 100644
--- a/drivers/net/ethernet/amd/pds_core/core.h
+++ b/drivers/net/ethernet/amd/pds_core/core.h
@@ -197,6 +197,7 @@ struct pdsc {
struct pdsc_qcq notifyqcq;
u64 last_eid;
struct pdsc_viftype *viftype_status;
+ struct work_struct pci_reset_work;
};
/** enum pds_core_dbell_bits - bitwise composition of dbell values.
@@ -313,5 +314,6 @@ int pdsc_firmware_update(struct pdsc *pdsc, const struct firmware *fw,
void pdsc_fw_down(struct pdsc *pdsc);
void pdsc_fw_up(struct pdsc *pdsc);
+void pdsc_pci_reset_thread(struct work_struct *work);
#endif /* _PDSC_H_ */
diff --git a/drivers/net/ethernet/amd/pds_core/dev.c b/drivers/net/ethernet/amd/pds_core/dev.c
index e494e1298dc9a..495ef4ef8c103 100644
--- a/drivers/net/ethernet/amd/pds_core/dev.c
+++ b/drivers/net/ethernet/amd/pds_core/dev.c
@@ -229,6 +229,9 @@ int pdsc_devcmd_reset(struct pdsc *pdsc)
.reset.opcode = PDS_CORE_CMD_RESET,
};
+ if (!pdsc_is_fw_running(pdsc))
+ return 0;
+
return pdsc_devcmd(pdsc, &cmd, &comp, pdsc->devcmd_timeout);
}
diff --git a/drivers/net/ethernet/amd/pds_core/main.c b/drivers/net/ethernet/amd/pds_core/main.c
index ab6133e7db422..660268ff95623 100644
--- a/drivers/net/ethernet/amd/pds_core/main.c
+++ b/drivers/net/ethernet/amd/pds_core/main.c
@@ -239,6 +239,7 @@ static int pdsc_init_pf(struct pdsc *pdsc)
snprintf(wq_name, sizeof(wq_name), "%s.%d", PDS_CORE_DRV_NAME, pdsc->uid);
pdsc->wq = create_singlethread_workqueue(wq_name);
INIT_WORK(&pdsc->health_work, pdsc_health_thread);
+ INIT_WORK(&pdsc->pci_reset_work, pdsc_pci_reset_thread);
timer_setup(&pdsc->wdtimer, pdsc_wdtimer_cb, 0);
pdsc->wdtimer_period = PDSC_WATCHDOG_SECS * HZ;
--
GitLab
From c38fa07dc69f0b9e6f43ecab96dc7861a70c827c Mon Sep 17 00:00:00 2001
From: Gil Fine <gil.fine@linux.intel.com>
Date: Fri, 1 Mar 2024 15:22:53 +0200
Subject: [PATCH 2374/2686] thunderbolt: Fix wake configurations after device
unplug
Currently we don't configure correctly the wake events after unplug of device
router. What can happen is that the downstream ports of host router will be
configured to wake on: USB4-wake and wake-on-disconnect, but not on
wake-on-connect. This may cause the later plugged device not to wake the
domain and fail in enumeration. Fix this by clearing downstream port's "USB4
Port is Configured" bit, after unplug of a device router.
Signed-off-by: Gil Fine <gil.fine@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/switch.c | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 6ffc4e81ffed7..4edfd6e34e319 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -3180,22 +3180,29 @@ void tb_switch_unconfigure_link(struct tb_switch *sw)
{
struct tb_port *up, *down;
- if (sw->is_unplugged)
- return;
if (!tb_route(sw) || tb_switch_is_icm(sw))
return;
+ /*
+ * Unconfigure downstream port so that wake-on-connect can be
+ * configured after router unplug. No need to unconfigure upstream port
+ * since its router is unplugged.
+ */
up = tb_upstream_port(sw);
- if (tb_switch_is_usb4(up->sw))
- usb4_port_unconfigure(up);
- else
- tb_lc_unconfigure_port(up);
-
down = up->remote;
if (tb_switch_is_usb4(down->sw))
usb4_port_unconfigure(down);
else
tb_lc_unconfigure_port(down);
+
+ if (sw->is_unplugged)
+ return;
+
+ up = tb_upstream_port(sw);
+ if (tb_switch_is_usb4(up->sw))
+ usb4_port_unconfigure(up);
+ else
+ tb_lc_unconfigure_port(up);
}
static void tb_switch_credits_init(struct tb_switch *sw)
--
GitLab
From dcd12acaf384c30437fa5a9a1f71df06fc9835fd Mon Sep 17 00:00:00 2001
From: Gil Fine <gil.fine@linux.intel.com>
Date: Fri, 1 Mar 2024 15:11:18 +0200
Subject: [PATCH 2375/2686] thunderbolt: Avoid notify PM core about runtime PM
resume
Currently we notify PM core about occurred wakes after any resume. This
is not actually needed after resume from runtime suspend. Hence, notify
PM core about occurred wakes only after resume from system sleep. Also,
if the wake occurred in USB4 router upstream port, we don't notify the
PM core about it since it is not actually needed and can cause
unexpected autowake (e.g. if /sys/power/wakeup_count is used).
While there add the missing kernel-doc for tb_switch_resume().
Signed-off-by: Gil Fine <gil.fine@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/switch.c | 27 +++++++++++++++++++++++++--
drivers/thunderbolt/tb.c | 4 ++--
drivers/thunderbolt/tb.h | 3 ++-
drivers/thunderbolt/usb4.c | 13 +++++++------
4 files changed, 36 insertions(+), 11 deletions(-)
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 4edfd6e34e319..326433df5880e 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -3448,7 +3448,26 @@ static int tb_switch_set_wake(struct tb_switch *sw, unsigned int flags)
return tb_lc_set_wake(sw, flags);
}
-int tb_switch_resume(struct tb_switch *sw)
+static void tb_switch_check_wakes(struct tb_switch *sw)
+{
+ if (device_may_wakeup(&sw->dev)) {
+ if (tb_switch_is_usb4(sw))
+ usb4_switch_check_wakes(sw);
+ }
+}
+
+/**
+ * tb_switch_resume() - Resume a switch after sleep
+ * @sw: Switch to resume
+ * @runtime: Is this resume from runtime suspend or system sleep
+ *
+ * Resumes and re-enumerates router (and all its children), if still plugged
+ * after suspend. Don't enumerate device router whose UID was changed during
+ * suspend. If this is resume from system sleep, notifies PM core about the
+ * wakes occurred during suspend. Disables all wakes, except USB4 wake of
+ * upstream port for USB4 routers that shall be always enabled.
+ */
+int tb_switch_resume(struct tb_switch *sw, bool runtime)
{
struct tb_port *port;
int err;
@@ -3497,6 +3516,9 @@ int tb_switch_resume(struct tb_switch *sw)
if (err)
return err;
+ if (!runtime)
+ tb_switch_check_wakes(sw);
+
/* Disable wakes */
tb_switch_set_wake(sw, 0);
@@ -3526,7 +3548,8 @@ int tb_switch_resume(struct tb_switch *sw)
*/
if (tb_port_unlock(port))
tb_port_warn(port, "failed to unlock port\n");
- if (port->remote && tb_switch_resume(port->remote->sw)) {
+ if (port->remote &&
+ tb_switch_resume(port->remote->sw, runtime)) {
tb_port_warn(port,
"lost during suspend, disconnecting\n");
tb_sw_set_unplugged(port->remote->sw);
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 360cb95f39aab..3e44c78ac4092 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -2942,7 +2942,7 @@ static int tb_resume_noirq(struct tb *tb)
if (!tb_switch_is_usb4(tb->root_switch))
tb_switch_reset(tb->root_switch);
- tb_switch_resume(tb->root_switch);
+ tb_switch_resume(tb->root_switch, false);
tb_free_invalid_tunnels(tb);
tb_free_unplugged_children(tb->root_switch);
tb_restore_children(tb->root_switch);
@@ -3068,7 +3068,7 @@ static int tb_runtime_resume(struct tb *tb)
struct tb_tunnel *tunnel, *n;
mutex_lock(&tb->lock);
- tb_switch_resume(tb->root_switch);
+ tb_switch_resume(tb->root_switch, true);
tb_free_invalid_tunnels(tb);
tb_restore_children(tb->root_switch);
list_for_each_entry_safe(tunnel, n, &tcm->tunnel_list, list)
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index feed8ecaf712e..18aae4ccaed59 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -827,7 +827,7 @@ int tb_switch_configuration_valid(struct tb_switch *sw);
int tb_switch_add(struct tb_switch *sw);
void tb_switch_remove(struct tb_switch *sw);
void tb_switch_suspend(struct tb_switch *sw, bool runtime);
-int tb_switch_resume(struct tb_switch *sw);
+int tb_switch_resume(struct tb_switch *sw, bool runtime);
int tb_switch_reset(struct tb_switch *sw);
int tb_switch_wait_for_bit(struct tb_switch *sw, u32 offset, u32 bit,
u32 value, int timeout_msec);
@@ -1288,6 +1288,7 @@ static inline bool tb_switch_is_usb4(const struct tb_switch *sw)
return usb4_switch_version(sw) > 0;
}
+void usb4_switch_check_wakes(struct tb_switch *sw);
int usb4_switch_setup(struct tb_switch *sw);
int usb4_switch_configuration_valid(struct tb_switch *sw);
int usb4_switch_read_uid(struct tb_switch *sw, u64 *uid);
diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c
index 9860b49d7a2b2..78b06e922fdac 100644
--- a/drivers/thunderbolt/usb4.c
+++ b/drivers/thunderbolt/usb4.c
@@ -155,7 +155,13 @@ static inline int usb4_switch_op_data(struct tb_switch *sw, u16 opcode,
tx_dwords, rx_data, rx_dwords);
}
-static void usb4_switch_check_wakes(struct tb_switch *sw)
+/**
+ * usb4_switch_check_wakes() - Check for wakes and notify PM core about them
+ * @sw: Router whose wakes to check
+ *
+ * Checks wakes occurred during suspend and notify the PM core about them.
+ */
+void usb4_switch_check_wakes(struct tb_switch *sw)
{
bool wakeup_usb4 = false;
struct usb4_port *usb4;
@@ -163,9 +169,6 @@ static void usb4_switch_check_wakes(struct tb_switch *sw)
bool wakeup = false;
u32 val;
- if (!device_may_wakeup(&sw->dev))
- return;
-
if (tb_route(sw)) {
if (tb_sw_read(sw, &val, TB_CFG_SWITCH, ROUTER_CS_6, 1))
return;
@@ -244,8 +247,6 @@ int usb4_switch_setup(struct tb_switch *sw)
u32 val = 0;
int ret;
- usb4_switch_check_wakes(sw);
-
if (!tb_route(sw))
return 0;
--
GitLab
From f87cbcb345d059f0377b4fa0ba1b766a17fc3710 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 9 Apr 2024 12:29:12 +0200
Subject: [PATCH 2376/2686] timekeeping: Use READ/WRITE_ONCE() for
tick_do_timer_cpu
tick_do_timer_cpu is used lockless to check which CPU needs to take care
of the per tick timekeeping duty. This is done to avoid a thundering
herd problem on jiffies_lock.
The read and writes are not annotated so KCSAN complains about data races:
BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_next_event
write to 0xffffffff8a2bda30 of 4 bytes by task 0 on cpu 26:
tick_nohz_idle_stop_tick+0x3b1/0x4a0
do_idle+0x1e3/0x250
read to 0xffffffff8a2bda30 of 4 bytes by task 0 on cpu 16:
tick_nohz_next_event+0xe7/0x1e0
tick_nohz_get_sleep_length+0xa7/0xe0
menu_select+0x82/0xb90
cpuidle_select+0x44/0x60
do_idle+0x1c2/0x250
value changed: 0x0000001a -> 0xffffffff
Annotate them with READ/WRITE_ONCE() to document the intentional data race.
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Sean Anderson <sean.anderson@seco.com>
Link: https://lore.kernel.org/r/87cyqy7rt3.ffs@tglx
---
kernel/time/tick-common.c | 17 +++++++++--------
kernel/time/tick-sched.c | 36 ++++++++++++++++++++++--------------
2 files changed, 31 insertions(+), 22 deletions(-)
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index fb0fdec8719a1..d88b13076b794 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -7,6 +7,7 @@
* Copyright(C) 2005-2007, Red Hat, Inc., Ingo Molnar
* Copyright(C) 2006-2007, Timesys Corp., Thomas Gleixner
*/
+#include <linux/compiler.h>
#include <linux/cpu.h>
#include <linux/err.h>
#include <linux/hrtimer.h>
@@ -84,7 +85,7 @@ int tick_is_oneshot_available(void)
*/
static void tick_periodic(int cpu)
{
- if (tick_do_timer_cpu == cpu) {
+ if (READ_ONCE(tick_do_timer_cpu) == cpu) {
raw_spin_lock(&jiffies_lock);
write_seqcount_begin(&jiffies_seq);
@@ -215,8 +216,8 @@ static void tick_setup_device(struct tick_device *td,
* If no cpu took the do_timer update, assign it to
* this cpu:
*/
- if (tick_do_timer_cpu == TICK_DO_TIMER_BOOT) {
- tick_do_timer_cpu = cpu;
+ if (READ_ONCE(tick_do_timer_cpu) == TICK_DO_TIMER_BOOT) {
+ WRITE_ONCE(tick_do_timer_cpu, cpu);
tick_next_period = ktime_get();
#ifdef CONFIG_NO_HZ_FULL
/*
@@ -232,7 +233,7 @@ static void tick_setup_device(struct tick_device *td,
!tick_nohz_full_cpu(cpu)) {
tick_take_do_timer_from_boot();
tick_do_timer_boot_cpu = -1;
- WARN_ON(tick_do_timer_cpu != cpu);
+ WARN_ON(READ_ONCE(tick_do_timer_cpu) != cpu);
#endif
}
@@ -406,10 +407,10 @@ void tick_assert_timekeeping_handover(void)
int tick_cpu_dying(unsigned int dying_cpu)
{
/*
- * If the current CPU is the timekeeper, it's the only one that
- * can safely hand over its duty. Also all online CPUs are in
- * stop machine, guaranteed not to be idle, therefore it's safe
- * to pick any online successor.
+ * If the current CPU is the timekeeper, it's the only one that can
+ * safely hand over its duty. Also all online CPUs are in stop
+ * machine, guaranteed not to be idle, therefore there is no
+ * concurrency and it's safe to pick any online successor.
*/
if (tick_do_timer_cpu == dying_cpu)
tick_do_timer_cpu = cpumask_first(cpu_online_mask);
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 1331216a9cae7..71a792cd89362 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -8,6 +8,7 @@
*
* Started by: Thomas Gleixner and Ingo Molnar
*/
+#include <linux/compiler.h>
#include <linux/cpu.h>
#include <linux/err.h>
#include <linux/hrtimer.h>
@@ -204,7 +205,7 @@ static inline void tick_sched_flag_clear(struct tick_sched *ts,
static void tick_sched_do_timer(struct tick_sched *ts, ktime_t now)
{
- int cpu = smp_processor_id();
+ int tick_cpu, cpu = smp_processor_id();
/*
* Check if the do_timer duty was dropped. We don't care about
@@ -216,16 +217,18 @@ static void tick_sched_do_timer(struct tick_sched *ts, ktime_t now)
* If nohz_full is enabled, this should not happen because the
* 'tick_do_timer_cpu' CPU never relinquishes.
*/
- if (IS_ENABLED(CONFIG_NO_HZ_COMMON) &&
- unlikely(tick_do_timer_cpu == TICK_DO_TIMER_NONE)) {
+ tick_cpu = READ_ONCE(tick_do_timer_cpu);
+
+ if (IS_ENABLED(CONFIG_NO_HZ_COMMON) && unlikely(tick_cpu == TICK_DO_TIMER_NONE)) {
#ifdef CONFIG_NO_HZ_FULL
WARN_ON_ONCE(tick_nohz_full_running);
#endif
- tick_do_timer_cpu = cpu;
+ WRITE_ONCE(tick_do_timer_cpu, cpu);
+ tick_cpu = cpu;
}
/* Check if jiffies need an update */
- if (tick_do_timer_cpu == cpu)
+ if (tick_cpu == cpu)
tick_do_update_jiffies64(now);
/*
@@ -610,7 +613,7 @@ bool tick_nohz_cpu_hotpluggable(unsigned int cpu)
* timers, workqueues, timekeeping, ...) on behalf of full dynticks
* CPUs. It must remain online when nohz full is enabled.
*/
- if (tick_nohz_full_running && tick_do_timer_cpu == cpu)
+ if (tick_nohz_full_running && READ_ONCE(tick_do_timer_cpu) == cpu)
return false;
return true;
}
@@ -891,6 +894,7 @@ static ktime_t tick_nohz_next_event(struct tick_sched *ts, int cpu)
{
u64 basemono, next_tick, delta, expires;
unsigned long basejiff;
+ int tick_cpu;
basemono = get_jiffies_update(&basejiff);
ts->last_jiffies = basejiff;
@@ -947,9 +951,9 @@ static ktime_t tick_nohz_next_event(struct tick_sched *ts, int cpu)
* Otherwise we can sleep as long as we want.
*/
delta = timekeeping_max_deferment();
- if (cpu != tick_do_timer_cpu &&
- (tick_do_timer_cpu != TICK_DO_TIMER_NONE ||
- !tick_sched_flag_test(ts, TS_FLAG_DO_TIMER_LAST)))
+ tick_cpu = READ_ONCE(tick_do_timer_cpu);
+ if (tick_cpu != cpu &&
+ (tick_cpu != TICK_DO_TIMER_NONE || !tick_sched_flag_test(ts, TS_FLAG_DO_TIMER_LAST)))
delta = KTIME_MAX;
/* Calculate the next expiry time */
@@ -970,6 +974,7 @@ static void tick_nohz_stop_tick(struct tick_sched *ts, int cpu)
unsigned long basejiff = ts->last_jiffies;
u64 basemono = ts->timer_expires_base;
bool timer_idle = tick_sched_flag_test(ts, TS_FLAG_STOPPED);
+ int tick_cpu;
u64 expires;
/* Make sure we won't be trying to stop it twice in a row. */
@@ -1007,10 +1012,11 @@ static void tick_nohz_stop_tick(struct tick_sched *ts, int cpu)
* do_timer() never gets invoked. Keep track of the fact that it
* was the one which had the do_timer() duty last.
*/
- if (cpu == tick_do_timer_cpu) {
- tick_do_timer_cpu = TICK_DO_TIMER_NONE;
+ tick_cpu = READ_ONCE(tick_do_timer_cpu);
+ if (tick_cpu == cpu) {
+ WRITE_ONCE(tick_do_timer_cpu, TICK_DO_TIMER_NONE);
tick_sched_flag_set(ts, TS_FLAG_DO_TIMER_LAST);
- } else if (tick_do_timer_cpu != TICK_DO_TIMER_NONE) {
+ } else if (tick_cpu != TICK_DO_TIMER_NONE) {
tick_sched_flag_clear(ts, TS_FLAG_DO_TIMER_LAST);
}
@@ -1173,15 +1179,17 @@ static bool can_stop_idle_tick(int cpu, struct tick_sched *ts)
return false;
if (tick_nohz_full_enabled()) {
+ int tick_cpu = READ_ONCE(tick_do_timer_cpu);
+
/*
* Keep the tick alive to guarantee timekeeping progression
* if there are full dynticks CPUs around
*/
- if (tick_do_timer_cpu == cpu)
+ if (tick_cpu == cpu)
return false;
/* Should not happen for nohz-full */
- if (WARN_ON_ONCE(tick_do_timer_cpu == TICK_DO_TIMER_NONE))
+ if (WARN_ON_ONCE(tick_cpu == TICK_DO_TIMER_NONE))
return false;
}
--
GitLab
From 19fa4f2a85d777a8052e869c1b892a2f7556569d Mon Sep 17 00:00:00 2001
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Mon, 8 Apr 2024 20:47:40 +0200
Subject: [PATCH 2377/2686] r8169: fix LED-related deadlock on module removal
Binding devm_led_classdev_register() to the netdev is problematic
because on module removal we get a RTNL-related deadlock. Fix this
by avoiding the device-managed LED functions.
Note: We can safely call led_classdev_unregister() for a LED even
if registering it failed, because led_classdev_unregister() detects
this and is a no-op in this case.
Fixes: 18764b883e15 ("r8169: add support for LED's on RTL8168/RTL8101")
Cc: stable@vger.kernel.org
Reported-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/realtek/r8169.h | 6 ++--
drivers/net/ethernet/realtek/r8169_leds.c | 35 +++++++++++++++--------
drivers/net/ethernet/realtek/r8169_main.c | 8 ++++--
3 files changed, 33 insertions(+), 16 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169.h b/drivers/net/ethernet/realtek/r8169.h
index 4c043052198d4..00882ffc7a029 100644
--- a/drivers/net/ethernet/realtek/r8169.h
+++ b/drivers/net/ethernet/realtek/r8169.h
@@ -73,6 +73,7 @@ enum mac_version {
};
struct rtl8169_private;
+struct r8169_led_classdev;
void r8169_apply_firmware(struct rtl8169_private *tp);
u16 rtl8168h_2_get_adc_bias_ioffset(struct rtl8169_private *tp);
@@ -84,7 +85,8 @@ void r8169_get_led_name(struct rtl8169_private *tp, int idx,
char *buf, int buf_len);
int rtl8168_get_led_mode(struct rtl8169_private *tp);
int rtl8168_led_mod_ctrl(struct rtl8169_private *tp, u16 mask, u16 val);
-void rtl8168_init_leds(struct net_device *ndev);
+struct r8169_led_classdev *rtl8168_init_leds(struct net_device *ndev);
int rtl8125_get_led_mode(struct rtl8169_private *tp, int index);
int rtl8125_set_led_mode(struct rtl8169_private *tp, int index, u16 mode);
-void rtl8125_init_leds(struct net_device *ndev);
+struct r8169_led_classdev *rtl8125_init_leds(struct net_device *ndev);
+void r8169_remove_leds(struct r8169_led_classdev *leds);
diff --git a/drivers/net/ethernet/realtek/r8169_leds.c b/drivers/net/ethernet/realtek/r8169_leds.c
index 7c5dc9d0df855..e10bee706bc69 100644
--- a/drivers/net/ethernet/realtek/r8169_leds.c
+++ b/drivers/net/ethernet/realtek/r8169_leds.c
@@ -146,22 +146,22 @@ static void rtl8168_setup_ldev(struct r8169_led_classdev *ldev,
led_cdev->hw_control_get_device = r8169_led_hw_control_get_device;
/* ignore errors */
- devm_led_classdev_register(&ndev->dev, led_cdev);
+ led_classdev_register(&ndev->dev, led_cdev);
}
-void rtl8168_init_leds(struct net_device *ndev)
+struct r8169_led_classdev *rtl8168_init_leds(struct net_device *ndev)
{
- /* bind resource mgmt to netdev */
- struct device *dev = &ndev->dev;
struct r8169_led_classdev *leds;
int i;
- leds = devm_kcalloc(dev, RTL8168_NUM_LEDS, sizeof(*leds), GFP_KERNEL);
+ leds = kcalloc(RTL8168_NUM_LEDS + 1, sizeof(*leds), GFP_KERNEL);
if (!leds)
- return;
+ return NULL;
for (i = 0; i < RTL8168_NUM_LEDS; i++)
rtl8168_setup_ldev(leds + i, ndev, i);
+
+ return leds;
}
static int rtl8125_led_hw_control_is_supported(struct led_classdev *led_cdev,
@@ -245,20 +245,31 @@ static void rtl8125_setup_led_ldev(struct r8169_led_classdev *ldev,
led_cdev->hw_control_get_device = r8169_led_hw_control_get_device;
/* ignore errors */
- devm_led_classdev_register(&ndev->dev, led_cdev);
+ led_classdev_register(&ndev->dev, led_cdev);
}
-void rtl8125_init_leds(struct net_device *ndev)
+struct r8169_led_classdev *rtl8125_init_leds(struct net_device *ndev)
{
- /* bind resource mgmt to netdev */
- struct device *dev = &ndev->dev;
struct r8169_led_classdev *leds;
int i;
- leds = devm_kcalloc(dev, RTL8125_NUM_LEDS, sizeof(*leds), GFP_KERNEL);
+ leds = kcalloc(RTL8125_NUM_LEDS + 1, sizeof(*leds), GFP_KERNEL);
if (!leds)
- return;
+ return NULL;
for (i = 0; i < RTL8125_NUM_LEDS; i++)
rtl8125_setup_led_ldev(leds + i, ndev, i);
+
+ return leds;
+}
+
+void r8169_remove_leds(struct r8169_led_classdev *leds)
+{
+ if (!leds)
+ return;
+
+ for (struct r8169_led_classdev *l = leds; l->ndev; l++)
+ led_classdev_unregister(&l->led);
+
+ kfree(leds);
}
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 6f1e6f386b7ba..8a27328eae34b 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -647,6 +647,8 @@ struct rtl8169_private {
const char *fw_name;
struct rtl_fw *rtl_fw;
+ struct r8169_led_classdev *leds;
+
u32 ocp_base;
};
@@ -5044,6 +5046,8 @@ static void rtl_remove_one(struct pci_dev *pdev)
cancel_work_sync(&tp->wk.work);
+ r8169_remove_leds(tp->leds);
+
unregister_netdev(tp->dev);
if (tp->dash_type != RTL_DASH_NONE)
@@ -5501,9 +5505,9 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (IS_ENABLED(CONFIG_R8169_LEDS)) {
if (rtl_is_8125(tp))
- rtl8125_init_leds(dev);
+ tp->leds = rtl8125_init_leds(dev);
else if (tp->mac_version > RTL_GIGA_MAC_VER_06)
- rtl8168_init_leds(dev);
+ tp->leds = rtl8168_init_leds(dev);
}
netdev_info(dev, "%s, %pM, XID %03x, IRQ %d\n",
--
GitLab
From 3bbb331c1d34fdd5520a050fce35f71579430485 Mon Sep 17 00:00:00 2001
From: Zhang Rui <rui.zhang@intel.com>
Date: Wed, 13 Mar 2024 10:30:04 +0800
Subject: [PATCH 2378/2686] tools/power/turbostat: Introduce
BIC_SAM_mc6/BIC_SAMMHz/BIC_SAMACTMHz
Graphics driver (i915/Xe) on mordern platforms splits GFX and SA Media
information via different sysfs knobs.
Existing BIC_GFX_rc6/BIC_GFXMHz/BIC_GFXACTMHz columns can be reused for
GFX.
Introduce BIC_SAM_mc6/BIC_SAMMHz/BIC_SAMACTMHz columns for SA Media.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
---
tools/power/x86/turbostat/turbostat.8 | 12 +++-
tools/power/x86/turbostat/turbostat.c | 91 +++++++++++++++++++++++++--
2 files changed, 96 insertions(+), 7 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8
index 567327b004e68..0d3672e5d9ed1 100644
--- a/tools/power/x86/turbostat/turbostat.8
+++ b/tools/power/x86/turbostat/turbostat.8
@@ -129,9 +129,17 @@ The system configuration dump (if --quiet is not used) is followed by statistics
.PP
\fBPkgTmp\fP Degrees Celsius reported by the per-package Package Thermal Monitor.
.PP
-\fBGFX%rc6\fP The percentage of time the GPU is in the "render C6" state, rc6, during the measurement interval. From /sys/class/drm/card0/power/rc6_residency_ms.
+\fBGFX%rc6\fP The percentage of time the GPU is in the "render C6" state, rc6, during the measurement interval. From /sys/class/drm/card0/power/rc6_residency_ms or /sys/class/drm/card0/gt/gt0/rc6_residency_ms or /sys/class/drm/card0/device/tile0/gtN/gtidle/idle_residency_ms depending on the graphics driver being used.
.PP
-\fBGFXMHz\fP Instantaneous snapshot of what sysfs presents at the end of the measurement interval. From /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz.
+\fBGFXMHz\fP Instantaneous snapshot of what sysfs presents at the end of the measurement interval. From /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz or /sys/class/drm/card0/gt_cur_freq_mhz or /sys/class/drm/card0/gt/gt0/rps_cur_freq_mhz or /sys/class/drm/card0/device/tile0/gtN/freq0/cur_freq depending on the graphics driver being used.
+.PP
+\fBGFXAMHz\fP Instantaneous snapshot of what sysfs presents at the end of the measurement interval. From /sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz or /sys/class/drm/card0/gt_act_freq_mhz or /sys/class/drm/card0/gt/gt0/rps_act_freq_mhz or /sys/class/drm/card0/device/tile0/gtN/freq0/act_freq depending on the graphics driver being used.
+.PP
+\fBSAM%mc6\fP The percentage of time the SA Media is in the "module C6" state, mc6, during the measurement interval. From /sys/class/drm/card0/gt/gt1/rc6_residency_ms or /sys/class/drm/card0/device/tile0/gtN/gtidle/idle_residency_ms depending on the graphics driver being used.
+.PP
+\fBSAMMHz\fP Instantaneous snapshot of what sysfs presents at the end of the measurement interval. From /sys/class/drm/card0/gt/gt1/rps_cur_freq_mhz or /sys/class/drm/card0/device/tile0/gtN/freq0/cur_freq depending on the graphics driver being used.
+.PP
+\fBSAMAMHz\fP Instantaneous snapshot of what sysfs presents at the end of the measurement interval. From /sys/class/drm/card0/gt/gt1/rps_act_freq_mhz or /sys/class/drm/card0/device/tile0/gtN/freq0/act_freq depending on the graphics driver being used.
.PP
\fBPkg%pc2, Pkg%pc3, Pkg%pc6, Pkg%pc7\fP percentage residency in hardware package idle states. These numbers are from hardware residency counters.
.PP
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 016a5c7dc9bf3..4fa2810da1a3d 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -133,6 +133,9 @@ struct msr_counter bic[] = {
{ 0x0, "IPC", "", 0, 0, 0, NULL, 0 },
{ 0x0, "CoreThr", "", 0, 0, 0, NULL, 0 },
{ 0x0, "UncMHz", "", 0, 0, 0, NULL, 0 },
+ { 0x0, "SAM%mc6", "", 0, 0, 0, NULL, 0 },
+ { 0x0, "SAMMHz", "", 0, 0, 0, NULL, 0 },
+ { 0x0, "SAMAMHz", "", 0, 0, 0, NULL, 0 },
};
#define MAX_BIC (sizeof(bic) / sizeof(struct msr_counter))
@@ -191,11 +194,14 @@ struct msr_counter bic[] = {
#define BIC_IPC (1ULL << 52)
#define BIC_CORE_THROT_CNT (1ULL << 53)
#define BIC_UNCORE_MHZ (1ULL << 54)
+#define BIC_SAM_mc6 (1ULL << 55)
+#define BIC_SAMMHz (1ULL << 56)
+#define BIC_SAMACTMHz (1ULL << 57)
#define BIC_TOPOLOGY (BIC_Package | BIC_Node | BIC_CoreCnt | BIC_PkgCnt | BIC_Core | BIC_CPU | BIC_Die )
#define BIC_THERMAL_PWR ( BIC_CoreTmp | BIC_PkgTmp | BIC_PkgWatt | BIC_CorWatt | BIC_GFXWatt | BIC_RAMWatt | BIC_PKG__ | BIC_RAM__)
-#define BIC_FREQUENCY ( BIC_Avg_MHz | BIC_Busy | BIC_Bzy_MHz | BIC_TSC_MHz | BIC_GFXMHz | BIC_GFXACTMHz | BIC_UNCORE_MHZ)
-#define BIC_IDLE ( BIC_sysfs | BIC_CPU_c1 | BIC_CPU_c3 | BIC_CPU_c6 | BIC_CPU_c7 | BIC_GFX_rc6 | BIC_Pkgpc2 | BIC_Pkgpc3 | BIC_Pkgpc6 | BIC_Pkgpc7 | BIC_Pkgpc8 | BIC_Pkgpc9 | BIC_Pkgpc10 | BIC_CPU_LPI | BIC_SYS_LPI | BIC_Mod_c6 | BIC_Totl_c0 | BIC_Any_c0 | BIC_GFX_c0 | BIC_CPUGFX)
+#define BIC_FREQUENCY (BIC_Avg_MHz | BIC_Busy | BIC_Bzy_MHz | BIC_TSC_MHz | BIC_GFXMHz | BIC_GFXACTMHz | BIC_SAMMHz | BIC_SAMACTMHz | BIC_UNCORE_MHZ)
+#define BIC_IDLE (BIC_sysfs | BIC_CPU_c1 | BIC_CPU_c3 | BIC_CPU_c6 | BIC_CPU_c7 | BIC_GFX_rc6 | BIC_Pkgpc2 | BIC_Pkgpc3 | BIC_Pkgpc6 | BIC_Pkgpc7 | BIC_Pkgpc8 | BIC_Pkgpc9 | BIC_Pkgpc10 | BIC_CPU_LPI | BIC_SYS_LPI | BIC_Mod_c6 | BIC_Totl_c0 | BIC_Any_c0 | BIC_GFX_c0 | BIC_CPUGFX | BIC_SAM_mc6)
#define BIC_OTHER ( BIC_IRQ | BIC_SMI | BIC_ThreadC | BIC_CoreTmp | BIC_IPC)
#define BIC_DISABLED_BY_DEFAULT (BIC_USEC | BIC_TOD | BIC_APIC | BIC_X2APIC)
@@ -277,6 +283,9 @@ enum gfx_sysfs_idx {
GFX_rc6,
GFX_MHz,
GFX_ACTMHz,
+ SAM_mc6,
+ SAM_MHz,
+ SAM_ACTMHz,
GFX_MAX
};
@@ -1193,6 +1202,9 @@ struct pkg_data {
long long gfx_rc6_ms;
unsigned int gfx_mhz;
unsigned int gfx_act_mhz;
+ long long sam_mc6_ms;
+ unsigned int sam_mhz;
+ unsigned int sam_act_mhz;
unsigned int package_id;
struct rapl_counter energy_pkg; /* MSR_PKG_ENERGY_STATUS */
struct rapl_counter energy_dram; /* MSR_DRAM_ENERGY_STATUS */
@@ -1844,6 +1856,15 @@ void print_header(char *delim)
if (DO_BIC(BIC_GFXACTMHz))
outp += sprintf(outp, "%sGFXAMHz", (printed++ ? delim : ""));
+ if (DO_BIC(BIC_SAM_mc6))
+ outp += sprintf(outp, "%sSAM%%mc6", (printed++ ? delim : ""));
+
+ if (DO_BIC(BIC_SAMMHz))
+ outp += sprintf(outp, "%sSAMMHz", (printed++ ? delim : ""));
+
+ if (DO_BIC(BIC_SAMACTMHz))
+ outp += sprintf(outp, "%sSAMAMHz", (printed++ ? delim : ""));
+
if (DO_BIC(BIC_Totl_c0))
outp += sprintf(outp, "%sTotl%%C0", (printed++ ? delim : ""));
if (DO_BIC(BIC_Any_c0))
@@ -2251,6 +2272,24 @@ int format_counters(struct thread_data *t, struct core_data *c, struct pkg_data
if (DO_BIC(BIC_GFXACTMHz))
outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->gfx_act_mhz);
+ /* SAMmc6 */
+ if (DO_BIC(BIC_SAM_mc6)) {
+ if (p->sam_mc6_ms == -1) { /* detect GFX counter reset */
+ outp += sprintf(outp, "%s**.**", (printed++ ? delim : ""));
+ } else {
+ outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""),
+ p->sam_mc6_ms / 10.0 / interval_float);
+ }
+ }
+
+ /* SAMMHz */
+ if (DO_BIC(BIC_SAMMHz))
+ outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->sam_mhz);
+
+ /* SAMACTMHz */
+ if (DO_BIC(BIC_SAMACTMHz))
+ outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->sam_act_mhz);
+
/* Totl%C0, Any%C0 GFX%C0 CPUGFX% */
if (DO_BIC(BIC_Totl_c0))
outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_wtd_core_c0 / tsc);
@@ -2437,6 +2476,15 @@ int delta_package(struct pkg_data *new, struct pkg_data *old)
old->gfx_mhz = new->gfx_mhz;
old->gfx_act_mhz = new->gfx_act_mhz;
+ /* flag an error when mc6 counter resets/wraps */
+ if (old->sam_mc6_ms > new->sam_mc6_ms)
+ old->sam_mc6_ms = -1;
+ else
+ old->sam_mc6_ms = new->sam_mc6_ms - old->sam_mc6_ms;
+
+ old->sam_mhz = new->sam_mhz;
+ old->sam_act_mhz = new->sam_act_mhz;
+
old->energy_pkg.raw_value = new->energy_pkg.raw_value - old->energy_pkg.raw_value;
old->energy_cores.raw_value = new->energy_cores.raw_value - old->energy_cores.raw_value;
old->energy_gfx.raw_value = new->energy_gfx.raw_value - old->energy_gfx.raw_value;
@@ -2661,6 +2709,9 @@ void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data
p->uncore_mhz = 0;
p->gfx_mhz = 0;
p->gfx_act_mhz = 0;
+ p->sam_mc6_ms = 0;
+ p->sam_mhz = 0;
+ p->sam_act_mhz = 0;
for (i = 0, mp = sys.tp; mp; i++, mp = mp->next)
t->counter[i] = 0;
@@ -2775,6 +2826,9 @@ int sum_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
average.packages.uncore_mhz = p->uncore_mhz;
average.packages.gfx_mhz = p->gfx_mhz;
average.packages.gfx_act_mhz = p->gfx_act_mhz;
+ average.packages.sam_mc6_ms = p->sam_mc6_ms;
+ average.packages.sam_mhz = p->sam_mhz;
+ average.packages.sam_act_mhz = p->sam_act_mhz;
average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c);
@@ -3572,19 +3626,28 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
p->pkg_temp_c = tj_max - ((msr >> 16) & 0x7F);
}
- if (DO_BIC(BIC_GFX_rc6))
- p->gfx_rc6_ms = gfx_info[GFX_rc6].val_ull;
-
/* n.b. assume die0 uncore frequency applies to whole package */
if (DO_BIC(BIC_UNCORE_MHZ))
p->uncore_mhz = get_uncore_mhz(p->package_id, 0);
+ if (DO_BIC(BIC_GFX_rc6))
+ p->gfx_rc6_ms = gfx_info[GFX_rc6].val_ull;
+
if (DO_BIC(BIC_GFXMHz))
p->gfx_mhz = gfx_info[GFX_MHz].val;
if (DO_BIC(BIC_GFXACTMHz))
p->gfx_act_mhz = gfx_info[GFX_ACTMHz].val;
+ if (DO_BIC(BIC_SAM_mc6))
+ p->sam_mc6_ms = gfx_info[SAM_mc6].val_ull;
+
+ if (DO_BIC(BIC_SAMMHz))
+ p->sam_mhz = gfx_info[SAM_MHz].val;
+
+ if (DO_BIC(BIC_SAMACTMHz))
+ p->sam_act_mhz = gfx_info[SAM_ACTMHz].val;
+
for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
if (get_mp(cpu, mp, &p->counter[i]))
return -10;
@@ -4634,6 +4697,7 @@ int snapshot_graphics(int idx)
switch (idx) {
case GFX_rc6:
+ case SAM_mc6:
fp = fopen_or_die(gfx_info[idx].path, "r");
retval = fscanf(fp, "%lld", &gfx_info[idx].val_ull);
if (retval != 1)
@@ -4642,6 +4706,8 @@ int snapshot_graphics(int idx)
return 0;
case GFX_MHz:
case GFX_ACTMHz:
+ case SAM_MHz:
+ case SAM_ACTMHz:
if (gfx_info[idx].fp == NULL) {
gfx_info[idx].fp = fopen_or_die(gfx_info[idx].path, "r");
} else {
@@ -4727,6 +4793,15 @@ int snapshot_proc_sysfs_files(void)
if (DO_BIC(BIC_GFXACTMHz))
snapshot_graphics(GFX_ACTMHz);
+ if (DO_BIC(BIC_SAM_mc6))
+ snapshot_graphics(SAM_mc6);
+
+ if (DO_BIC(BIC_SAMMHz))
+ snapshot_graphics(SAM_MHz);
+
+ if (DO_BIC(BIC_SAMACTMHz))
+ snapshot_graphics(SAM_ACTMHz);
+
if (DO_BIC(BIC_CPU_LPI))
snapshot_cpu_lpi_us();
@@ -5325,6 +5400,12 @@ static void probe_graphics(void)
BIC_PRESENT(BIC_GFXMHz);
if (gfx_info[GFX_ACTMHz].path)
BIC_PRESENT(BIC_GFXACTMHz);
+ if (gfx_info[SAM_mc6].path)
+ BIC_PRESENT(BIC_SAM_mc6);
+ if (gfx_info[SAM_MHz].path)
+ BIC_PRESENT(BIC_SAMMHz);
+ if (gfx_info[SAM_ACTMHz].path)
+ BIC_PRESENT(BIC_SAMACTMHz);
}
static void dump_sysfs_cstate_config(void)
--
GitLab
From dc02dc937a3ef819c5da10e97084af6977be26bf Mon Sep 17 00:00:00 2001
From: Zhang Rui <rui.zhang@intel.com>
Date: Fri, 22 Mar 2024 09:52:24 +0800
Subject: [PATCH 2379/2686] tools/power/turbostat: Add support for new i915
sysfs knobs
On Meteorlake platform, i915 driver supports the traditional graphics
sysfs knobs including
/sys/class/drm/card0/power/rc6_residency_ms
/sys/class/drm/card0/gt_cur_freq_mhz
/sys/class/drm/card0/gt_act_freq_mhz
At the same time, it also supports
/sys/class/drm/card0/gt/gt0/rc6_residency_ms
/sys/class/drm/card0/gt/gt0/rps_cur_freq_mhz
/sys/class/drm/card0/gt/gt0/rps_act_freq_mhz
/sys/class/drm/card0/gt/gt1/rc6_residency_ms
/sys/class/drm/card0/gt/gt1/rps_cur_freq_mhz
/sys/class/drm/card0/gt/gt1/rps_act_freq_mhz
gt0 is for GFX and gt1 is for SA Media.
Enhance turbostat to prefer the i915 new sysfs knobs.
Export gt0 via BIC_GFX_rc6/BIC_GFXMHz/BIC_GFXACTMHz.
Export gt1 via BIC_SMA_mc6/BIC_SMAMHz/BIC_SMAACTMHz.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 4fa2810da1a3d..feca7f4cb5cda 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -5380,6 +5380,29 @@ static void probe_intel_uncore_frequency(void)
static void probe_graphics(void)
{
+ /* New i915 graphics sysfs knobs */
+ if (!access("/sys/class/drm/card0/gt/gt0/rc6_residency_ms", R_OK)) {
+ gfx_info[GFX_rc6].path = "/sys/class/drm/card0/gt/gt0/rc6_residency_ms";
+
+ if (!access("/sys/class/drm/card0/gt/gt0/rps_cur_freq_mhz", R_OK))
+ gfx_info[GFX_MHz].path = "/sys/class/drm/card0/gt/gt0/rps_cur_freq_mhz";
+
+ if (!access("/sys/class/drm/card0/gt/gt0/rps_act_freq_mhz", R_OK))
+ gfx_info[GFX_ACTMHz].path = "/sys/class/drm/card0/gt/gt0/rps_act_freq_mhz";
+
+ if (!access("/sys/class/drm/card0/gt/gt1/rc6_residency_ms", R_OK))
+ gfx_info[SAM_mc6].path = "/sys/class/drm/card0/gt/gt1/rc6_residency_ms";
+
+ if (!access("/sys/class/drm/card0/gt/gt1/rps_cur_freq_mhz", R_OK))
+ gfx_info[SAM_MHz].path = "/sys/class/drm/card0/gt/gt1/rps_cur_freq_mhz";
+
+ if (!access("/sys/class/drm/card0/gt/gt1/rps_act_freq_mhz", R_OK))
+ gfx_info[SAM_ACTMHz].path = "/sys/class/drm/card0/gt/gt1/rps_act_freq_mhz";
+
+ goto end;
+ }
+
+ /* Fall back to traditional i915 graphics sysfs knobs */
if (!access("/sys/class/drm/card0/power/rc6_residency_ms", R_OK))
gfx_info[GFX_rc6].path = "/sys/class/drm/card0/power/rc6_residency_ms";
@@ -5394,6 +5417,7 @@ static void probe_graphics(void)
else if (!access("/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz", R_OK))
gfx_info[GFX_ACTMHz].path = "/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz";
+end:
if (gfx_info[GFX_rc6].path)
BIC_PRESENT(BIC_GFX_rc6);
if (gfx_info[GFX_MHz].path)
--
GitLab
From 91a91d389543a86963beec148d98d37875154bd4 Mon Sep 17 00:00:00 2001
From: Zhang Rui <rui.zhang@intel.com>
Date: Tue, 12 Mar 2024 23:56:02 +0800
Subject: [PATCH 2380/2686] tools/power/turbostat: Add support for Xe sysfs
knobs
Xe graphics driver uses different graphics sysfs knobs including
/sys/class/drm/card0/device/tile0/gt0/gtidle/idle_residency_ms
/sys/class/drm/card0/device/tile0/gt0/freq0/cur_freq
/sys/class/drm/card0/device/tile0/gt0/freq0/act_freq
/sys/class/drm/card0/device/tile0/gt1/gtidle/idle_residency_ms
/sys/class/drm/card0/device/tile0/gt1/freq0/cur_freq
/sys/class/drm/card0/device/tile0/gt1/freq0/act_freq
Plus that,
/sys/class/drm/card0/device/tile0/gt<n>/gtidle/name
returns either gt<n>-rc or gt<n>-mc. rc is for GFX and mc is SA Media.
Enhance turbostat to prefer the Xe sysfs knobs when they are available.
Export gt<n>-rc via BIC_GFX_rc6/BIC_GFXMHz/BIC_GFXACTMHz.
Export gt<n>-mc via BIC_SMA_mc6/BIC_SMAMHz/BIC_SMAACTMHz.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
---
tools/power/x86/turbostat/turbostat.c | 51 +++++++++++++++++++++++++++
1 file changed, 51 insertions(+)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index feca7f4cb5cda..bc103851df70b 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -5380,6 +5380,57 @@ static void probe_intel_uncore_frequency(void)
static void probe_graphics(void)
{
+ /* Xe graphics sysfs knobs */
+ if (!access("/sys/class/drm/card0/device/tile0/gt0/gtidle/idle_residency_ms", R_OK)) {
+ FILE *fp;
+ char buf[8];
+ bool gt0_is_gt;
+ int idx;
+
+ fp = fopen("/sys/class/drm/card0/device/tile0/gt0/gtidle/name", "r");
+ if (!fp)
+ goto next;
+
+ if (!fread(buf, sizeof(char), 7, fp)) {
+ fclose(fp);
+ goto next;
+ }
+ fclose(fp);
+
+ if (!strncmp(buf, "gt0-rc", strlen("gt0-rc")))
+ gt0_is_gt = true;
+ else if (!strncmp(buf, "gt0-mc", strlen("gt0-mc")))
+ gt0_is_gt = false;
+ else
+ goto next;
+
+ idx = gt0_is_gt ? GFX_rc6 : SAM_mc6;
+ gfx_info[idx].path = "/sys/class/drm/card0/device/tile0/gt0/gtidle/idle_residency_ms";
+
+ idx = gt0_is_gt ? GFX_MHz : SAM_MHz;
+ if (!access("/sys/class/drm/card0/device/tile0/gt0/freq0/cur_freq", R_OK))
+ gfx_info[idx].path = "/sys/class/drm/card0/device/tile0/gt0/freq0/cur_freq";
+
+ idx = gt0_is_gt ? GFX_ACTMHz : SAM_ACTMHz;
+ if (!access("/sys/class/drm/card0/device/tile0/gt0/freq0/act_freq", R_OK))
+ gfx_info[idx].path = "/sys/class/drm/card0/device/tile0/gt0/freq0/act_freq";
+
+ idx = gt0_is_gt ? SAM_mc6 : GFX_rc6;
+ if (!access("/sys/class/drm/card0/device/tile0/gt1/gtidle/idle_residency_ms", R_OK))
+ gfx_info[idx].path = "/sys/class/drm/card0/device/tile0/gt1/gtidle/idle_residency_ms";
+
+ idx = gt0_is_gt ? SAM_MHz : GFX_MHz;
+ if (!access("/sys/class/drm/card0/device/tile0/gt1/freq0/cur_freq", R_OK))
+ gfx_info[idx].path = "/sys/class/drm/card0/device/tile0/gt1/freq0/cur_freq";
+
+ idx = gt0_is_gt ? SAM_ACTMHz : GFX_ACTMHz;
+ if (!access("/sys/class/drm/card0/device/tile0/gt1/freq0/act_freq", R_OK))
+ gfx_info[idx].path = "/sys/class/drm/card0/device/tile0/gt1/freq0/act_freq";
+
+ goto end;
+ }
+
+next:
/* New i915 graphics sysfs knobs */
if (!access("/sys/class/drm/card0/gt/gt0/rc6_residency_ms", R_OK)) {
gfx_info[GFX_rc6].path = "/sys/class/drm/card0/gt/gt0/rc6_residency_ms";
--
GitLab
From 3ab7296a7e6aa34634dcc2926af933107a117996 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Mon, 8 Apr 2024 19:32:58 -0400
Subject: [PATCH 2381/2686] tools/power turbostat: v2024.04.10
Much of turbostat can now run with perf, rather than using the MSR driver
Some of turbostat can now run as a regular non-root user.
Add some new output columns for some new GFX hardware.
[This patch updates the version, but otherwise changes no function;
it touches up some checkpatch issues from previous patches]
Signed-off-by: Len Brown <len.brown@intel.com>
---
MAINTAINERS | 1 +
tools/power/x86/turbostat/turbostat.c | 41 ++++++++++++-------
.../testing/selftests/turbostat/defcolumns.py | 1 +
3 files changed, 28 insertions(+), 15 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index a7c4cf8201e01..b8582a466128f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -22116,6 +22116,7 @@ Q: https://patchwork.kernel.org/project/linux-pm/list/
B: https://bugzilla.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux.git turbostat
F: tools/power/x86/turbostat/
+F: tools/testing/selftests/turbostat/
TW5864 VIDEO4LINUX DRIVER
M: Bluecherry Maintainers <maintainers@bluecherrydvr.com>
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index bc103851df70b..98256468e2480 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -3,7 +3,7 @@
* turbostat -- show CPU frequency and C-state residency
* on modern Intel and AMD processors.
*
- * Copyright (c) 2023 Intel Corporation.
+ * Copyright (c) 2024 Intel Corporation.
* Len Brown <len.brown@intel.com>
*/
@@ -1360,6 +1360,7 @@ struct sys_counters {
void free_sys_counters(void)
{
struct msr_counter *p = sys.tp, *pnext = NULL;
+
while (p) {
pnext = p->next;
free(p);
@@ -1979,6 +1980,7 @@ int dump_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p
const unsigned long long energy_value = c->core_energy.raw_value * c->core_energy.scale;
const double energy_scale = c->core_energy.scale;
+
if (c->core_energy.unit == RAPL_UNIT_JOULES)
outp += sprintf(outp, "Joules: %0llX (scale: %lf)\n", energy_value, energy_scale);
@@ -3153,7 +3155,7 @@ static unsigned int read_perf_counter_info_n(const char *const path, const char
return v;
}
-static unsigned read_msr_type(void)
+static unsigned int read_msr_type(void)
{
const char *const path = "/sys/bus/event_source/devices/msr/type";
const char *const format = "%u";
@@ -3161,7 +3163,7 @@ static unsigned read_msr_type(void)
return read_perf_counter_info_n(path, format);
}
-static unsigned read_aperf_config(void)
+static unsigned int read_aperf_config(void)
{
const char *const path = "/sys/bus/event_source/devices/msr/events/aperf";
const char *const format = "event=%x";
@@ -3169,7 +3171,7 @@ static unsigned read_aperf_config(void)
return read_perf_counter_info_n(path, format);
}
-static unsigned read_mperf_config(void)
+static unsigned int read_mperf_config(void)
{
const char *const path = "/sys/bus/event_source/devices/msr/events/mperf";
const char *const format = "event=%x";
@@ -3177,7 +3179,7 @@ static unsigned read_mperf_config(void)
return read_perf_counter_info_n(path, format);
}
-static unsigned read_perf_type(const char *subsys)
+static unsigned int read_perf_type(const char *subsys)
{
const char *const path_format = "/sys/bus/event_source/devices/%s/type";
const char *const format = "%u";
@@ -3188,7 +3190,7 @@ static unsigned read_perf_type(const char *subsys)
return read_perf_counter_info_n(path, format);
}
-static unsigned read_rapl_config(const char *subsys, const char *event_name)
+static unsigned int read_rapl_config(const char *subsys, const char *event_name)
{
const char *const path_format = "/sys/bus/event_source/devices/%s/events/%s";
const char *const format = "event=%x";
@@ -3199,7 +3201,7 @@ static unsigned read_rapl_config(const char *subsys, const char *event_name)
return read_perf_counter_info_n(path, format);
}
-static unsigned read_perf_rapl_unit(const char *subsys, const char *event_name)
+static unsigned int read_perf_rapl_unit(const char *subsys, const char *event_name)
{
const char *const path_format = "/sys/bus/event_source/devices/%s/events/%s.unit";
const char *const format = "%s";
@@ -3235,7 +3237,7 @@ static struct amperf_group_fd open_amperf_fd(int cpu)
const unsigned int msr_type = read_msr_type();
const unsigned int aperf_config = read_aperf_config();
const unsigned int mperf_config = read_mperf_config();
- struct amperf_group_fd fds = {.aperf = -1,.mperf = -1 };
+ struct amperf_group_fd fds = {.aperf = -1, .mperf = -1 };
fds.aperf = open_perf_counter(cpu, msr_type, aperf_config, -1, PERF_FORMAT_GROUP);
fds.mperf = open_perf_counter(cpu, msr_type, mperf_config, fds.aperf, PERF_FORMAT_GROUP);
@@ -3277,6 +3279,7 @@ static int read_aperf_mperf_tsc_perf(struct thread_data *t, int cpu)
t->tsc = rdtsc();
const int n = read(fd_amperf, &cnt.as_array[0], sizeof(cnt.as_array));
+
if (n != sizeof(cnt.as_array))
return -2;
@@ -3371,7 +3374,7 @@ int get_rapl_counters(int cpu, int domain, struct core_data *c, struct pkg_data
struct rapl_counter_info_t *rci = &rapl_counter_info_perdomain[domain];
if (debug)
- fprintf(stderr, "get_rapl_counters: cpu%d domain%d\n", cpu, domain);
+ fprintf(stderr, "%s: cpu%d domain%d\n", __func__, cpu, domain);
assert(rapl_counter_info_perdomain);
@@ -3382,8 +3385,9 @@ int get_rapl_counters(int cpu, int domain, struct core_data *c, struct pkg_data
size_t num_perf_counters = rapl_counter_info_count_perf(rci);
const ssize_t expected_read_size = (num_perf_counters + 1) * sizeof(unsigned long long);
const ssize_t actual_read_size = read(rci->fd_perf, &perf_data[0], sizeof(perf_data));
+
if (actual_read_size != expected_read_size)
- err(-1, "get_rapl_counters: failed to read perf_data (%zu %zu)", expected_read_size,
+ err(-1, "%s: failed to read perf_data (%zu %zu)", __func__, expected_read_size,
actual_read_size);
}
@@ -3454,7 +3458,7 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
int status;
if (cpu_migrate(cpu)) {
- fprintf(outf, "get_counters: Could not migrate to CPU %d\n", cpu);
+ fprintf(outf, "%s: Could not migrate to CPU %d\n", __func__, cpu);
return -1;
}
@@ -6411,15 +6415,17 @@ int add_rapl_perf_counter_(int cpu, struct rapl_counter_info_t *rci, const struc
return -1;
const double scale = read_perf_rapl_scale(cai->perf_subsys, cai->perf_name);
+
if (scale == 0.0)
return -1;
const enum rapl_unit unit = read_perf_rapl_unit(cai->perf_subsys, cai->perf_name);
+
if (unit == RAPL_UNIT_INVALID)
return -1;
- const unsigned rapl_type = read_perf_type(cai->perf_subsys);
- const unsigned rapl_energy_pkg_config = read_rapl_config(cai->perf_subsys, cai->perf_name);
+ const unsigned int rapl_type = read_perf_type(cai->perf_subsys);
+ const unsigned int rapl_energy_pkg_config = read_rapl_config(cai->perf_subsys, cai->perf_name);
const int fd_counter =
open_perf_counter(cpu, rapl_type, rapl_energy_pkg_config, rci->fd_perf, PERF_FORMAT_GROUP);
@@ -6441,7 +6447,7 @@ int add_rapl_perf_counter(int cpu, struct rapl_counter_info_t *rci, const struct
int ret = add_rapl_perf_counter_(cpu, rci, cai, scale, unit);
if (debug)
- fprintf(stderr, "add_rapl_perf_counter: %d (cpu: %d)\n", ret, cpu);
+ fprintf(stderr, "%s: %d (cpu: %d)\n", __func__, ret, cpu);
return ret;
}
@@ -6462,6 +6468,7 @@ void linux_perf_init(void)
}
const bool aperf_required = is_aperf_access_required();
+
if (aperf_required && has_aperf && amperf_source == AMPERF_SOURCE_PERF) {
fd_amperf_percpu = calloc(topo.max_cpu_num + 1, sizeof(*fd_amperf_percpu));
if (fd_amperf_percpu == NULL)
@@ -6483,6 +6490,7 @@ void rapl_perf_init(void)
*/
for (int domain_id = 0; domain_id < num_domains; ++domain_id) {
struct rapl_counter_info_t *rci = &rapl_counter_info_perdomain[domain_id];
+
rci->fd_perf = -1;
for (size_t i = 0; i < NUM_RAPL_COUNTERS; ++i) {
rci->data[i] = 0;
@@ -7296,6 +7304,7 @@ static void set_amperf_source(void)
amperf_source = AMPERF_SOURCE_PERF;
const bool aperf_required = is_aperf_access_required();
+
if (no_perf || !aperf_required || !has_amperf_access_via_perf())
amperf_source = AMPERF_SOURCE_MSR;
@@ -7373,10 +7382,12 @@ void check_msr_access(void)
void check_perf_access(void)
{
const bool intrcount_required = BIC_IS_ENABLED(BIC_IPC);
+
if (no_perf || !intrcount_required || !has_instr_count_access())
bic_enabled &= ~BIC_IPC;
const bool aperf_required = is_aperf_access_required();
+
if (!aperf_required || !has_amperf_access()) {
bic_enabled &= ~BIC_Avg_MHz;
bic_enabled &= ~BIC_Busy;
@@ -7486,7 +7497,7 @@ int get_and_dump_counters(void)
void print_version()
{
- fprintf(outf, "turbostat version 2023.11.07 - Len Brown <lenb@kernel.org>\n");
+ fprintf(outf, "turbostat version 2024.04.08 - Len Brown <lenb@kernel.org>\n");
}
#define COMMAND_LINE_SIZE 2048
diff --git a/tools/testing/selftests/turbostat/defcolumns.py b/tools/testing/selftests/turbostat/defcolumns.py
index 70d3b7780311e..d9b042097da7a 100755
--- a/tools/testing/selftests/turbostat/defcolumns.py
+++ b/tools/testing/selftests/turbostat/defcolumns.py
@@ -1,4 +1,5 @@
#!/bin/env python3
+# SPDX-License-Identifier: GPL-2.0
import subprocess
from shutil import which
--
GitLab
From 0871bc0129d403747ea0272a4384895d7ad37a6c Mon Sep 17 00:00:00 2001
From: Huacai Chen <chenhuacai@loongson.cn>
Date: Wed, 10 Apr 2024 21:08:51 +0800
Subject: [PATCH 2382/2686] mm: Move lowmem_page_address() a little later
LoongArch will override page_to_virt() which use page_address() in the
KFENCE case (by defining WANT_PAGE_VIRTUAL/HASHED_PAGE_VIRTUAL). So move
lowmem_page_address() a little later to avoid such build errors:
error: implicit declaration of function 'page_address'.
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
include/linux/mm.h | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 0436b919f1c7f..7b0ee64225de9 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2207,11 +2207,6 @@ static inline int arch_make_folio_accessible(struct folio *folio)
*/
#include <linux/vmstat.h>
-static __always_inline void *lowmem_page_address(const struct page *page)
-{
- return page_to_virt(page);
-}
-
#if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL)
#define HASHED_PAGE_VIRTUAL
#endif
@@ -2234,6 +2229,11 @@ void set_page_address(struct page *page, void *virtual);
void page_address_init(void);
#endif
+static __always_inline void *lowmem_page_address(const struct page *page)
+{
+ return page_to_virt(page);
+}
+
#if !defined(HASHED_PAGE_VIRTUAL) && !defined(WANT_PAGE_VIRTUAL)
#define page_address(page) lowmem_page_address(page)
#define set_page_address(page, address) do { } while(0)
--
GitLab
From 0ca84aeaee150796d4b5577b1b0ae52a947e7813 Mon Sep 17 00:00:00 2001
From: Huacai Chen <chenhuacai@loongson.cn>
Date: Wed, 10 Apr 2024 21:08:51 +0800
Subject: [PATCH 2383/2686] LoongArch: Make {virt, phys, page, pfn} translation
work with KFENCE
KFENCE changes virt_to_page() to be able to translate tlb mapped virtual
addresses, but forget to change virt_to_phys()/phys_to_virt() and other
translation functions as well. This patch fix it, otherwise some drivers
(such as nvme and virtio-blk) cannot work with KFENCE.
All {virt, phys, page, pfn} translation functions are updated:
1, virt_to_pfn()/pfn_to_virt();
2, virt_to_page()/page_to_virt();
3, virt_to_phys()/phys_to_virt().
DMW/TLB mapped addresses are distinguished by comparing the vaddress
with vm_map_base in virt_to_xyz(), and we define WANT_PAGE_VIRTUAL in
the KFENCE case for the reverse translations, xyz_to_virt().
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/include/asm/io.h | 20 +++++++++++++++-----
arch/loongarch/include/asm/kfence.h | 9 +++++++++
arch/loongarch/include/asm/page.h | 26 +++++++++++++++++++++++++-
arch/loongarch/mm/pgtable.c | 4 ++--
4 files changed, 51 insertions(+), 8 deletions(-)
diff --git a/arch/loongarch/include/asm/io.h b/arch/loongarch/include/asm/io.h
index 4a8adcca329b8..c2f9979b2979e 100644
--- a/arch/loongarch/include/asm/io.h
+++ b/arch/loongarch/include/asm/io.h
@@ -14,11 +14,6 @@
#include <asm/pgtable-bits.h>
#include <asm/string.h>
-/*
- * Change "struct page" to physical address.
- */
-#define page_to_phys(page) ((phys_addr_t)page_to_pfn(page) << PAGE_SHIFT)
-
extern void __init __iomem *early_ioremap(u64 phys_addr, unsigned long size);
extern void __init early_iounmap(void __iomem *addr, unsigned long size);
@@ -73,6 +68,21 @@ extern void __memcpy_fromio(void *to, const volatile void __iomem *from, size_t
#define __io_aw() mmiowb()
+#ifdef CONFIG_KFENCE
+#define virt_to_phys(kaddr) \
+({ \
+ (likely((unsigned long)kaddr < vm_map_base)) ? __pa((unsigned long)kaddr) : \
+ page_to_phys(tlb_virt_to_page((unsigned long)kaddr)) + offset_in_page((unsigned long)kaddr);\
+})
+
+#define phys_to_virt(paddr) \
+({ \
+ extern char *__kfence_pool; \
+ (unlikely(__kfence_pool == NULL)) ? __va((unsigned long)paddr) : \
+ page_address(phys_to_page((unsigned long)paddr)) + offset_in_page((unsigned long)paddr);\
+})
+#endif
+
#include <asm-generic/io.h>
#define ARCH_HAS_VALID_PHYS_ADDR_RANGE
diff --git a/arch/loongarch/include/asm/kfence.h b/arch/loongarch/include/asm/kfence.h
index 6c82aea1c9939..a6a5760da3a33 100644
--- a/arch/loongarch/include/asm/kfence.h
+++ b/arch/loongarch/include/asm/kfence.h
@@ -16,6 +16,7 @@
static inline bool arch_kfence_init_pool(void)
{
int err;
+ char *kaddr, *vaddr;
char *kfence_pool = __kfence_pool;
struct vm_struct *area;
@@ -35,6 +36,14 @@ static inline bool arch_kfence_init_pool(void)
return false;
}
+ kaddr = kfence_pool;
+ vaddr = __kfence_pool;
+ while (kaddr < kfence_pool + KFENCE_POOL_SIZE) {
+ set_page_address(virt_to_page(kaddr), vaddr);
+ kaddr += PAGE_SIZE;
+ vaddr += PAGE_SIZE;
+ }
+
return true;
}
diff --git a/arch/loongarch/include/asm/page.h b/arch/loongarch/include/asm/page.h
index 44027060c54a2..e85df33f11c77 100644
--- a/arch/loongarch/include/asm/page.h
+++ b/arch/loongarch/include/asm/page.h
@@ -78,7 +78,26 @@ typedef struct { unsigned long pgprot; } pgprot_t;
struct page *dmw_virt_to_page(unsigned long kaddr);
struct page *tlb_virt_to_page(unsigned long kaddr);
-#define virt_to_pfn(kaddr) PFN_DOWN(PHYSADDR(kaddr))
+#define pfn_to_phys(pfn) __pfn_to_phys(pfn)
+#define phys_to_pfn(paddr) __phys_to_pfn(paddr)
+
+#define page_to_phys(page) pfn_to_phys(page_to_pfn(page))
+#define phys_to_page(paddr) pfn_to_page(phys_to_pfn(paddr))
+
+#ifndef CONFIG_KFENCE
+
+#define page_to_virt(page) __va(page_to_phys(page))
+#define virt_to_page(kaddr) phys_to_page(__pa(kaddr))
+
+#else
+
+#define WANT_PAGE_VIRTUAL
+
+#define page_to_virt(page) \
+({ \
+ extern char *__kfence_pool; \
+ (__kfence_pool == NULL) ? __va(page_to_phys(page)) : page_address(page); \
+})
#define virt_to_page(kaddr) \
({ \
@@ -86,6 +105,11 @@ struct page *tlb_virt_to_page(unsigned long kaddr);
dmw_virt_to_page((unsigned long)kaddr) : tlb_virt_to_page((unsigned long)kaddr);\
})
+#endif
+
+#define pfn_to_virt(pfn) page_to_virt(pfn_to_page(pfn))
+#define virt_to_pfn(kaddr) page_to_pfn(virt_to_page(kaddr))
+
extern int __virt_addr_valid(volatile void *kaddr);
#define virt_addr_valid(kaddr) __virt_addr_valid((volatile void *)(kaddr))
diff --git a/arch/loongarch/mm/pgtable.c b/arch/loongarch/mm/pgtable.c
index 2aae72e638713..bda018150000e 100644
--- a/arch/loongarch/mm/pgtable.c
+++ b/arch/loongarch/mm/pgtable.c
@@ -11,13 +11,13 @@
struct page *dmw_virt_to_page(unsigned long kaddr)
{
- return pfn_to_page(virt_to_pfn(kaddr));
+ return phys_to_page(__pa(kaddr));
}
EXPORT_SYMBOL(dmw_virt_to_page);
struct page *tlb_virt_to_page(unsigned long kaddr)
{
- return pfn_to_page(pte_pfn(*virt_to_kpte(kaddr)));
+ return phys_to_page(pfn_to_phys(pte_pfn(*virt_to_kpte(kaddr))));
}
EXPORT_SYMBOL(tlb_virt_to_page);
--
GitLab
From 1a629fe4cca0fc4cf546b4ca2e9d4b75bbfde9ff Mon Sep 17 00:00:00 2001
From: Huacai Chen <chenhuacai@loongson.cn>
Date: Wed, 10 Apr 2024 21:08:51 +0800
Subject: [PATCH 2384/2686] LoongArch: Make
virt_addr_valid()/__virt_addr_valid() work with KFENCE
When enabling both CONFIG_KFENCE and CONFIG_DEBUG_SG, I get the
following backtraces when running LongArch kernels.
[ 2.496257] kernel BUG at include/linux/scatterlist.h:187!
...
[ 2.501925] Call Trace:
[ 2.501950] [<9000000004ad59c4>] sg_init_one+0xac/0xc0
[ 2.502204] [<9000000004a438f8>] do_test_kpp+0x278/0x6e4
[ 2.502353] [<9000000004a43dd4>] alg_test_kpp+0x70/0xf4
[ 2.502494] [<9000000004a41b48>] alg_test+0x128/0x690
[ 2.502631] [<9000000004a3d898>] cryptomgr_test+0x20/0x40
[ 2.502775] [<90000000041b4508>] kthread+0x138/0x158
[ 2.502912] [<9000000004161c48>] ret_from_kernel_thread+0xc/0xa4
The backtrace is always similar but not exactly the same. It is always
triggered from cryptomgr_test, but not always from the same test.
Analysis shows that with CONFIG_KFENCE active, the address returned from
kmalloc() and friends is not always below vm_map_base. It is allocated
by kfence_alloc() which at least sometimes seems to get its memory from
an address space above vm_map_base. This causes __virt_addr_valid() to
return false for the affected objects.
Let __virt_addr_valid() return 1 for kfence pool addresses, this make
virt_addr_valid()/__virt_addr_valid() work with KFENCE.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/mm/mmap.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/loongarch/mm/mmap.c b/arch/loongarch/mm/mmap.c
index a9630a81b38ab..89af7c12e8c08 100644
--- a/arch/loongarch/mm/mmap.c
+++ b/arch/loongarch/mm/mmap.c
@@ -4,6 +4,7 @@
*/
#include <linux/export.h>
#include <linux/io.h>
+#include <linux/kfence.h>
#include <linux/memblock.h>
#include <linux/mm.h>
#include <linux/mman.h>
@@ -111,6 +112,9 @@ int __virt_addr_valid(volatile void *kaddr)
{
unsigned long vaddr = (unsigned long)kaddr;
+ if (is_kfence_address((void *)kaddr))
+ return 1;
+
if ((vaddr < PAGE_OFFSET) || (vaddr >= vm_map_base))
return 0;
--
GitLab
From ec2bbc575e44909fd333328537519145852927a6 Mon Sep 17 00:00:00 2001
From: Huacai Chen <chenhuacai@loongson.cn>
Date: Wed, 10 Apr 2024 21:08:51 +0800
Subject: [PATCH 2385/2686] LoongArch: Update dts for Loongson-2K1000 to
support ISA/LPC
Some Loongson-2K1000 platforms have ISA/LPC devices such as Super-IO,
define an ISA node in the dts file to avoid access error.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/boot/dts/loongson-2k1000.dtsi | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/loongarch/boot/dts/loongson-2k1000.dtsi b/arch/loongarch/boot/dts/loongson-2k1000.dtsi
index 49a70f8c3cab2..b6aeb1f70e2a0 100644
--- a/arch/loongarch/boot/dts/loongson-2k1000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k1000.dtsi
@@ -100,6 +100,13 @@ bus@10000000 {
#size-cells = <2>;
dma-coherent;
+ isa@18000000 {
+ compatible = "isa";
+ #size-cells = <1>;
+ #address-cells = <2>;
+ ranges = <1 0x0 0x0 0x18000000 0x4000>;
+ };
+
liointc0: interrupt-controller@1fe01400 {
compatible = "loongson,liointc-2.0";
reg = <0x0 0x1fe01400 0x0 0x40>,
--
GitLab
From b07b9f353d750ae503fc9fcbdc5f29dc38553605 Mon Sep 17 00:00:00 2001
From: Huacai Chen <chenhuacai@loongson.cn>
Date: Wed, 10 Apr 2024 21:08:51 +0800
Subject: [PATCH 2386/2686] LoongArch: Update dts for Loongson-2K2000 to
support ISA/LPC
Some Loongson-2K2000 platforms have ISA/LPC devices such as Super-IO,
define an ISA node in the dts file to avoid access error. Also adjust
the PCI io resource range to avoid confliction.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/boot/dts/loongson-2k2000.dtsi | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/loongarch/boot/dts/loongson-2k2000.dtsi b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
index a231949b5f553..dcee9f3783fdd 100644
--- a/arch/loongarch/boot/dts/loongson-2k2000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
@@ -51,6 +51,13 @@ bus@10000000 {
#address-cells = <2>;
#size-cells = <2>;
+ isa@18400000 {
+ compatible = "isa";
+ #size-cells = <1>;
+ #address-cells = <2>;
+ ranges = <1 0x0 0x0 0x18400000 0x4000>;
+ };
+
pmc: power-management@100d0000 {
compatible = "loongson,ls2k2000-pmc", "loongson,ls2k0500-pmc", "syscon";
reg = <0x0 0x100d0000 0x0 0x58>;
@@ -141,7 +148,7 @@ pcie@1a000000 {
#size-cells = <2>;
device_type = "pci";
bus-range = <0x0 0xff>;
- ranges = <0x01000000 0x0 0x00008000 0x0 0x18400000 0x0 0x00008000>,
+ ranges = <0x01000000 0x0 0x00008000 0x0 0x18408000 0x0 0x00008000>,
<0x02000000 0x0 0x60000000 0x0 0x60000000 0x0 0x20000000>;
gmac0: ethernet@3,0 {
--
GitLab
From 84892cebdc7fd5d6d70ba5b667a7440dfed2d032 Mon Sep 17 00:00:00 2001
From: Huacai Chen <chenhuacai@loongson.cn>
Date: Wed, 10 Apr 2024 21:08:51 +0800
Subject: [PATCH 2387/2686] LoongArch: Update dts for Loongson-2K2000 to
support PCI-MSI
Current dts file for Loongson-2K2000 misses the interrupt-controller &
interrupt-cells descriptions in the msi-controller node, and misses the
msi-parent link in the pci root node. Add them to support PCI-MSI.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/boot/dts/loongson-2k2000.dtsi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/loongarch/boot/dts/loongson-2k2000.dtsi b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
index dcee9f3783fdd..481c6c869a8b2 100644
--- a/arch/loongarch/boot/dts/loongson-2k2000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
@@ -116,6 +116,8 @@ pic: interrupt-controller@10000000 {
msi: msi-controller@1fe01140 {
compatible = "loongson,pch-msi-1.0";
reg = <0x0 0x1fe01140 0x0 0x8>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
msi-controller;
loongson,msi-base-vec = <64>;
loongson,msi-num-vecs = <192>;
@@ -147,6 +149,7 @@ pcie@1a000000 {
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
+ msi-parent = <&msi>;
bus-range = <0x0 0xff>;
ranges = <0x01000000 0x0 0x00008000 0x0 0x18408000 0x0 0x00008000>,
<0x02000000 0x0 0x60000000 0x0 0x60000000 0x0 0x20000000>;
--
GitLab
From 3744e0ee80251149135aac59870147e9ed6faae7 Mon Sep 17 00:00:00 2001
From: Huacai Chen <chenhuacai@loongson.cn>
Date: Wed, 10 Apr 2024 21:08:51 +0800
Subject: [PATCH 2388/2686] LoongArch: Update dts for Loongson-2K2000 to
support GMAC/GNET
Current dts file for Loongson-2K2000's GMAC/GNET is incomplete, both irq
and phy descriptions are missing. Add them to make GMAC/GNET work.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
.../boot/dts/loongson-2k2000-ref.dts | 33 +++++++++++++++++++
arch/loongarch/boot/dts/loongson-2k2000.dtsi | 12 +++++--
2 files changed, 42 insertions(+), 3 deletions(-)
diff --git a/arch/loongarch/boot/dts/loongson-2k2000-ref.dts b/arch/loongarch/boot/dts/loongson-2k2000-ref.dts
index dca91caf895e3..74b99bd234cc3 100644
--- a/arch/loongarch/boot/dts/loongson-2k2000-ref.dts
+++ b/arch/loongarch/boot/dts/loongson-2k2000-ref.dts
@@ -61,12 +61,45 @@ &xhci1 {
&gmac0 {
status = "okay";
+
+ phy-mode = "gmii";
+ phy-handle = <&phy0>;
+ mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ phy0: ethernet-phy@0 {
+ reg = <2>;
+ };
+ };
};
&gmac1 {
status = "okay";
+
+ phy-mode = "gmii";
+ phy-handle = <&phy1>;
+ mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ phy1: ethernet-phy@1 {
+ reg = <2>;
+ };
+ };
};
&gmac2 {
status = "okay";
+
+ phy-mode = "rgmii";
+ phy-handle = <&phy2>;
+ mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ phy2: ethernet-phy@2 {
+ reg = <0>;
+ };
+ };
};
diff --git a/arch/loongarch/boot/dts/loongson-2k2000.dtsi b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
index 481c6c869a8b2..9eab2d02cbe8b 100644
--- a/arch/loongarch/boot/dts/loongson-2k2000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
@@ -156,21 +156,27 @@ pcie@1a000000 {
gmac0: ethernet@3,0 {
reg = <0x1800 0x0 0x0 0x0 0x0>;
- interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts = <12 IRQ_TYPE_LEVEL_HIGH>,
+ <13 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq", "eth_lpi";
interrupt-parent = <&pic>;
status = "disabled";
};
gmac1: ethernet@3,1 {
reg = <0x1900 0x0 0x0 0x0 0x0>;
- interrupts = <14 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts = <14 IRQ_TYPE_LEVEL_HIGH>,
+ <15 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq", "eth_lpi";
interrupt-parent = <&pic>;
status = "disabled";
};
gmac2: ethernet@3,2 {
reg = <0x1a00 0x0 0x0 0x0 0x0>;
- interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts = <17 IRQ_TYPE_LEVEL_HIGH>,
+ <18 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq", "eth_lpi";
interrupt-parent = <&pic>;
status = "disabled";
};
--
GitLab
From a07c772fa658645887119184de48b255bf19a46e Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Wed, 10 Apr 2024 21:08:51 +0800
Subject: [PATCH 2389/2686] LoongArch: Include linux/sizes.h in addrspace.h to
prevent build errors
LoongArch's include/asm/addrspace.h uses SZ_32M and SZ_16K, so add
<linux/sizes.h> to provide those macros to prevent build errors:
In file included from ../arch/loongarch/include/asm/io.h:11,
from ../include/linux/io.h:13,
from ../include/linux/io-64-nonatomic-lo-hi.h:5,
from ../drivers/cxl/pci.c:4:
../include/asm-generic/io.h: In function 'ioport_map':
../arch/loongarch/include/asm/addrspace.h:124:25: error: 'SZ_32M' undeclared (first use in this function); did you mean 'PS_32M'?
124 | #define PCI_IOSIZE SZ_32M
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
arch/loongarch/include/asm/addrspace.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/loongarch/include/asm/addrspace.h b/arch/loongarch/include/asm/addrspace.h
index b24437e28c6ed..7bd47d65bf7a0 100644
--- a/arch/loongarch/include/asm/addrspace.h
+++ b/arch/loongarch/include/asm/addrspace.h
@@ -11,6 +11,7 @@
#define _ASM_ADDRSPACE_H
#include <linux/const.h>
+#include <linux/sizes.h>
#include <asm/loongarch.h>
--
GitLab
From a9025cd1c673a8d6eefc79d911075b8b452eba8f Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 8 Apr 2024 15:22:01 +0200
Subject: [PATCH 2390/2686] x86/topology: Don't update cpu_possible_map in
topo_set_cpuids()
topo_set_cpuids() updates cpu_present_map and cpu_possible map. It is
invoked during enumeration and "physical hotplug" operations. In the
latter case this results in a kernel crash because cpu_possible_map is
marked read only after init completes.
There is no reason to update cpu_possible_map in that function. During
enumeration cpu_possible_map is not relevant and gets fully initialized
after enumeration completed. On "physical hotplug" the bit is already set
because the kernel allows only CPUs to be plugged which have been
enumerated and associated to a CPU number during early boot.
Remove the bogus update of cpu_possible_map.
Fixes: 0e53e7b656cf ("x86/cpu/topology: Sanitize the APIC admission logic")
Reported-by: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/87ttkc6kwx.ffs@tglx
---
arch/x86/kernel/cpu/topology.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/cpu/topology.c b/arch/x86/kernel/cpu/topology.c
index aaca8d235dc2b..d17c9b71eb4a2 100644
--- a/arch/x86/kernel/cpu/topology.c
+++ b/arch/x86/kernel/cpu/topology.c
@@ -123,7 +123,6 @@ static void topo_set_cpuids(unsigned int cpu, u32 apic_id, u32 acpi_id)
early_per_cpu(x86_cpu_to_apicid, cpu) = apic_id;
early_per_cpu(x86_cpu_to_acpiid, cpu) = acpi_id;
#endif
- set_cpu_possible(cpu, true);
set_cpu_present(cpu, true);
}
@@ -210,7 +209,11 @@ static __init void topo_register_apic(u32 apic_id, u32 acpi_id, bool present)
topo_info.nr_disabled_cpus++;
}
- /* Register present and possible CPUs in the domain maps */
+ /*
+ * Register present and possible CPUs in the domain
+ * maps. cpu_possible_map will be updated in
+ * topology_init_possible_cpus() after enumeration is done.
+ */
for (dom = TOPO_SMT_DOMAIN; dom < TOPO_MAX_DOMAIN; dom++)
set_bit(topo_apicid(apic_id, dom), apic_maps[dom].map);
}
--
GitLab
From f337a6a21e2fd67eadea471e93d05dd37baaa9be Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Tue, 9 Apr 2024 10:51:05 -0700
Subject: [PATCH 2391/2686] x86/cpu: Actually turn off mitigations by default
for SPECULATION_MITIGATIONS=n
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Initialize cpu_mitigations to CPU_MITIGATIONS_OFF if the kernel is built
with CONFIG_SPECULATION_MITIGATIONS=n, as the help text quite clearly
states that disabling SPECULATION_MITIGATIONS is supposed to turn off all
mitigations by default.
│ If you say N, all mitigations will be disabled. You really
│ should know what you are doing to say so.
As is, the kernel still defaults to CPU_MITIGATIONS_AUTO, which results in
some mitigations being enabled in spite of SPECULATION_MITIGATIONS=n.
Fixes: f43b9876e857 ("x86/retbleed: Add fine grained Kconfig knobs")
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Cc: stable@vger.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240409175108.1512861-2-seanjc@google.com
---
kernel/cpu.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 8f6affd051f77..07ad53b7f1195 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -3207,7 +3207,8 @@ enum cpu_mitigations {
};
static enum cpu_mitigations cpu_mitigations __ro_after_init =
- CPU_MITIGATIONS_AUTO;
+ IS_ENABLED(CONFIG_SPECULATION_MITIGATIONS) ? CPU_MITIGATIONS_AUTO :
+ CPU_MITIGATIONS_OFF;
static int __init mitigations_parse_cmdline(char *arg)
{
--
GitLab
From 325f3fb551f8cd672dbbfc4cf58b14f9ee3fc9e8 Mon Sep 17 00:00:00 2001
From: Zheng Yejian <zhengyejian1@huawei.com>
Date: Wed, 10 Apr 2024 09:58:02 +0800
Subject: [PATCH 2392/2686] kprobes: Fix possible use-after-free issue on
kprobe registration
When unloading a module, its state is changing MODULE_STATE_LIVE ->
MODULE_STATE_GOING -> MODULE_STATE_UNFORMED. Each change will take
a time. `is_module_text_address()` and `__module_text_address()`
works with MODULE_STATE_LIVE and MODULE_STATE_GOING.
If we use `is_module_text_address()` and `__module_text_address()`
separately, there is a chance that the first one is succeeded but the
next one is failed because module->state becomes MODULE_STATE_UNFORMED
between those operations.
In `check_kprobe_address_safe()`, if the second `__module_text_address()`
is failed, that is ignored because it expected a kernel_text address.
But it may have failed simply because module->state has been changed
to MODULE_STATE_UNFORMED. In this case, arm_kprobe() will try to modify
non-exist module text address (use-after-free).
To fix this problem, we should not use separated `is_module_text_address()`
and `__module_text_address()`, but use only `__module_text_address()`
once and do `try_module_get(module)` which is only available with
MODULE_STATE_LIVE.
Link: https://lore.kernel.org/all/20240410015802.265220-1-zhengyejian1@huawei.com/
Fixes: 28f6c37a2910 ("kprobes: Forbid probing on trampoline and BPF code areas")
Cc: stable@vger.kernel.org
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---
kernel/kprobes.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 9d9095e817928..65adc815fc6e6 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1567,10 +1567,17 @@ static int check_kprobe_address_safe(struct kprobe *p,
jump_label_lock();
preempt_disable();
- /* Ensure it is not in reserved area nor out of text */
- if (!(core_kernel_text((unsigned long) p->addr) ||
- is_module_text_address((unsigned long) p->addr)) ||
- in_gate_area_no_mm((unsigned long) p->addr) ||
+ /* Ensure the address is in a text area, and find a module if exists. */
+ *probed_mod = NULL;
+ if (!core_kernel_text((unsigned long) p->addr)) {
+ *probed_mod = __module_text_address((unsigned long) p->addr);
+ if (!(*probed_mod)) {
+ ret = -EINVAL;
+ goto out;
+ }
+ }
+ /* Ensure it is not in reserved area. */
+ if (in_gate_area_no_mm((unsigned long) p->addr) ||
within_kprobe_blacklist((unsigned long) p->addr) ||
jump_label_text_reserved(p->addr, p->addr) ||
static_call_text_reserved(p->addr, p->addr) ||
@@ -1580,8 +1587,7 @@ static int check_kprobe_address_safe(struct kprobe *p,
goto out;
}
- /* Check if 'p' is probing a module. */
- *probed_mod = __module_text_address((unsigned long) p->addr);
+ /* Get module refcount and reject __init functions for loaded modules. */
if (*probed_mod) {
/*
* We must hold a refcount of the probed module while updating
--
GitLab
From e3ba51ab24fddef79fc212f9840de54db8fd1685 Mon Sep 17 00:00:00 2001
From: Gavin Shan <gshan@redhat.com>
Date: Fri, 5 Apr 2024 13:58:50 +1000
Subject: [PATCH 2393/2686] arm64: tlb: Fix TLBI RANGE operand
KVM/arm64 relies on TLBI RANGE feature to flush TLBs when the dirty
pages are collected by VMM and the page table entries become write
protected during live migration. Unfortunately, the operand passed
to the TLBI RANGE instruction isn't correctly sorted out due to the
commit 117940aa6e5f ("KVM: arm64: Define kvm_tlb_flush_vmid_range()").
It leads to crash on the destination VM after live migration because
TLBs aren't flushed completely and some of the dirty pages are missed.
For example, I have a VM where 8GB memory is assigned, starting from
0x40000000 (1GB). Note that the host has 4KB as the base page size.
In the middile of migration, kvm_tlb_flush_vmid_range() is executed
to flush TLBs. It passes MAX_TLBI_RANGE_PAGES as the argument to
__kvm_tlb_flush_vmid_range() and __flush_s2_tlb_range_op(). SCALE#3
and NUM#31, corresponding to MAX_TLBI_RANGE_PAGES, isn't supported
by __TLBI_RANGE_NUM(). In this specific case, -1 has been returned
from __TLBI_RANGE_NUM() for SCALE#3/2/1/0 and rejected by the loop
in the __flush_tlb_range_op() until the variable @scale underflows
and becomes -9, 0xffff708000040000 is set as the operand. The operand
is wrong since it's sorted out by __TLBI_VADDR_RANGE() according to
invalid @scale and @num.
Fix it by extending __TLBI_RANGE_NUM() to support the combination of
SCALE#3 and NUM#31. With the changes, [-1 31] instead of [-1 30] can
be returned from the macro, meaning the TLBs for 0x200000 pages in the
above example can be flushed in one shoot with SCALE#3 and NUM#31. The
macro TLBI_RANGE_MASK is dropped since no one uses it any more. The
comments are also adjusted accordingly.
Fixes: 117940aa6e5f ("KVM: arm64: Define kvm_tlb_flush_vmid_range()")
Cc: stable@kernel.org # v6.6+
Reported-by: Yihuang Yu <yihyu@redhat.com>
Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Ryan Roberts <ryan.roberts@arm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
Link: https://lore.kernel.org/r/20240405035852.1532010-2-gshan@redhat.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
arch/arm64/include/asm/tlbflush.h | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h
index 3b0e8248e1a41..a75de2665d844 100644
--- a/arch/arm64/include/asm/tlbflush.h
+++ b/arch/arm64/include/asm/tlbflush.h
@@ -161,12 +161,18 @@ static inline unsigned long get_trans_granule(void)
#define MAX_TLBI_RANGE_PAGES __TLBI_RANGE_PAGES(31, 3)
/*
- * Generate 'num' values from -1 to 30 with -1 rejected by the
- * __flush_tlb_range() loop below.
+ * Generate 'num' values from -1 to 31 with -1 rejected by the
+ * __flush_tlb_range() loop below. Its return value is only
+ * significant for a maximum of MAX_TLBI_RANGE_PAGES pages. If
+ * 'pages' is more than that, you must iterate over the overall
+ * range.
*/
-#define TLBI_RANGE_MASK GENMASK_ULL(4, 0)
-#define __TLBI_RANGE_NUM(pages, scale) \
- ((((pages) >> (5 * (scale) + 1)) & TLBI_RANGE_MASK) - 1)
+#define __TLBI_RANGE_NUM(pages, scale) \
+ ({ \
+ int __pages = min((pages), \
+ __TLBI_RANGE_PAGES(31, (scale))); \
+ (__pages >> (5 * (scale) + 1)) - 1; \
+ })
/*
* TLB Invalidation
@@ -379,10 +385,6 @@ static inline void arch_tlbbatch_flush(struct arch_tlbflush_unmap_batch *batch)
* 3. If there is 1 page remaining, flush it through non-range operations. Range
* operations can only span an even number of pages. We save this for last to
* ensure 64KB start alignment is maintained for the LPA2 case.
- *
- * Note that certain ranges can be represented by either num = 31 and
- * scale or num = 0 and scale + 1. The loop below favours the latter
- * since num is limited to 30 by the __TLBI_RANGE_NUM() macro.
*/
#define __flush_tlb_range_op(op, start, pages, stride, \
asid, tlb_level, tlbi_user, lpa2) \
--
GitLab
From b37cab587aa3c9ab29c6b10aa55627dad713011f Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Wed, 13 Mar 2024 15:43:18 -0400
Subject: [PATCH 2394/2686] Bluetooth: ISO: Don't reject BT_ISO_QOS if
parameters are unset
Consider certain values (0x00) as unset and load proper default if
an application has not set them properly.
Fixes: 0fe8c8d07134 ("Bluetooth: Split bt_iso_qos into dedicated structures")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
net/bluetooth/iso.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index c8793e57f4b54..d24148ea883c4 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -1451,8 +1451,8 @@ static bool check_ucast_qos(struct bt_iso_qos *qos)
static bool check_bcast_qos(struct bt_iso_qos *qos)
{
- if (qos->bcast.sync_factor == 0x00)
- return false;
+ if (!qos->bcast.sync_factor)
+ qos->bcast.sync_factor = 0x01;
if (qos->bcast.packing > 0x01)
return false;
@@ -1475,6 +1475,9 @@ static bool check_bcast_qos(struct bt_iso_qos *qos)
if (qos->bcast.skip > 0x01f3)
return false;
+ if (!qos->bcast.sync_timeout)
+ qos->bcast.sync_timeout = BT_ISO_SYNC_TIMEOUT;
+
if (qos->bcast.sync_timeout < 0x000a || qos->bcast.sync_timeout > 0x4000)
return false;
@@ -1484,6 +1487,9 @@ static bool check_bcast_qos(struct bt_iso_qos *qos)
if (qos->bcast.mse > 0x1f)
return false;
+ if (!qos->bcast.timeout)
+ qos->bcast.sync_timeout = BT_ISO_SYNC_TIMEOUT;
+
if (qos->bcast.timeout < 0x000a || qos->bcast.timeout > 0x4000)
return false;
--
GitLab
From 53cb4197e63ab2363aa28c3029061e4d516e7626 Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Thu, 28 Mar 2024 15:58:10 -0400
Subject: [PATCH 2395/2686] Bluetooth: hci_sync: Fix using the same interval
and window for Coded PHY
Coded PHY recommended intervals are 3 time bigger than the 1M PHY so
this aligns with that by multiplying by 3 the values given to 1M PHY
since the code already used recommended values for that.
Fixes: 288c90224eec ("Bluetooth: Enable all supported LE PHY by default")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
net/bluetooth/hci_sync.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index 8fe02921adf15..c5d8799046ccf 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -2814,8 +2814,8 @@ static int hci_le_set_ext_scan_param_sync(struct hci_dev *hdev, u8 type,
if (qos->bcast.in.phy & BT_ISO_PHY_CODED) {
cp->scanning_phys |= LE_SCAN_PHY_CODED;
hci_le_scan_phy_params(phy, type,
- interval,
- window);
+ interval * 3,
+ window * 3);
num_phy++;
phy++;
}
@@ -2835,7 +2835,7 @@ static int hci_le_set_ext_scan_param_sync(struct hci_dev *hdev, u8 type,
if (scan_coded(hdev)) {
cp->scanning_phys |= LE_SCAN_PHY_CODED;
- hci_le_scan_phy_params(phy, type, interval, window);
+ hci_le_scan_phy_params(phy, type, interval * 3, window * 3);
num_phy++;
phy++;
}
--
GitLab
From 45d355a926ab40f3ae7bc0b0a00cb0e3e8a5a810 Mon Sep 17 00:00:00 2001
From: Dmitry Antipov <dmantipov@yandex.ru>
Date: Tue, 2 Apr 2024 14:32:05 +0300
Subject: [PATCH 2396/2686] Bluetooth: Fix memory leak in
hci_req_sync_complete()
In 'hci_req_sync_complete()', always free the previous sync
request state before assigning reference to a new one.
Reported-by: syzbot+39ec16ff6cc18b1d066d@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=39ec16ff6cc18b1d066d
Cc: stable@vger.kernel.org
Fixes: f60cb30579d3 ("Bluetooth: Convert hci_req_sync family of function to new request API")
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
net/bluetooth/hci_request.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index 00e02138003ec..efea25eb56ce0 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -105,8 +105,10 @@ void hci_req_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode,
if (hdev->req_status == HCI_REQ_PEND) {
hdev->req_result = result;
hdev->req_status = HCI_REQ_DONE;
- if (skb)
+ if (skb) {
+ kfree_skb(hdev->req_skb);
hdev->req_skb = skb_get(skb);
+ }
wake_up_interruptible(&hdev->req_wait_q);
}
}
--
GitLab
From 51eda36d33e43201e7a4fd35232e069b2c850b01 Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Fri, 5 Apr 2024 15:41:52 -0400
Subject: [PATCH 2397/2686] Bluetooth: SCO: Fix not validating setsockopt user
input
syzbot reported sco_sock_setsockopt() is copying data without
checking user input length.
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset
include/linux/sockptr.h:49 [inline]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr
include/linux/sockptr.h:55 [inline]
BUG: KASAN: slab-out-of-bounds in sco_sock_setsockopt+0xc0b/0xf90
net/bluetooth/sco.c:893
Read of size 4 at addr ffff88805f7b15a3 by task syz-executor.5/12578
Fixes: ad10b1a48754 ("Bluetooth: Add Bluetooth socket voice option")
Fixes: b96e9c671b05 ("Bluetooth: Add BT_DEFER_SETUP option to sco socket")
Fixes: 00398e1d5183 ("Bluetooth: Add support for BT_PKT_STATUS CMSG data for SCO connections")
Fixes: f6873401a608 ("Bluetooth: Allow setting of codec for HFP offload use case")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
include/net/bluetooth/bluetooth.h | 9 +++++++++
net/bluetooth/sco.c | 23 ++++++++++-------------
2 files changed, 19 insertions(+), 13 deletions(-)
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 9fe95a22abeb7..eaec5d6caa29d 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -585,6 +585,15 @@ static inline struct sk_buff *bt_skb_sendmmsg(struct sock *sk,
return skb;
}
+static inline int bt_copy_from_sockptr(void *dst, size_t dst_size,
+ sockptr_t src, size_t src_size)
+{
+ if (dst_size > src_size)
+ return -EINVAL;
+
+ return copy_from_sockptr(dst, src, dst_size);
+}
+
int bt_to_errno(u16 code);
__u8 bt_status(int err);
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 43daf965a01e4..368e026f4d15c 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -824,7 +824,7 @@ static int sco_sock_setsockopt(struct socket *sock, int level, int optname,
sockptr_t optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
- int len, err = 0;
+ int err = 0;
struct bt_voice voice;
u32 opt;
struct bt_codecs *codecs;
@@ -843,10 +843,9 @@ static int sco_sock_setsockopt(struct socket *sock, int level, int optname,
break;
}
- if (copy_from_sockptr(&opt, optval, sizeof(u32))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen);
+ if (err)
break;
- }
if (opt)
set_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
@@ -863,11 +862,10 @@ static int sco_sock_setsockopt(struct socket *sock, int level, int optname,
voice.setting = sco_pi(sk)->setting;
- len = min_t(unsigned int, sizeof(voice), optlen);
- if (copy_from_sockptr(&voice, optval, len)) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&voice, sizeof(voice), optval,
+ optlen);
+ if (err)
break;
- }
/* Explicitly check for these values */
if (voice.setting != BT_VOICE_TRANSPARENT &&
@@ -890,10 +888,9 @@ static int sco_sock_setsockopt(struct socket *sock, int level, int optname,
break;
case BT_PKT_STATUS:
- if (copy_from_sockptr(&opt, optval, sizeof(u32))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen);
+ if (err)
break;
- }
if (opt)
set_bit(BT_SK_PKT_STATUS, &bt_sk(sk)->flags);
@@ -934,9 +931,9 @@ static int sco_sock_setsockopt(struct socket *sock, int level, int optname,
break;
}
- if (copy_from_sockptr(buffer, optval, optlen)) {
+ err = bt_copy_from_sockptr(buffer, optlen, optval, optlen);
+ if (err) {
hci_dev_put(hdev);
- err = -EFAULT;
break;
}
--
GitLab
From a97de7bff13b1cc825c1b1344eaed8d6c2d3e695 Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Fri, 5 Apr 2024 15:43:45 -0400
Subject: [PATCH 2398/2686] Bluetooth: RFCOMM: Fix not validating setsockopt
user input
syzbot reported rfcomm_sock_setsockopt_old() is copying data without
checking user input length.
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset
include/linux/sockptr.h:49 [inline]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr
include/linux/sockptr.h:55 [inline]
BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt_old
net/bluetooth/rfcomm/sock.c:632 [inline]
BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt+0x893/0xa70
net/bluetooth/rfcomm/sock.c:673
Read of size 4 at addr ffff8880209a8bc3 by task syz-executor632/5064
Fixes: 9f2c8a03fbb3 ("Bluetooth: Replace RFCOMM link mode with security level")
Fixes: bb23c0ab8246 ("Bluetooth: Add support for deferring RFCOMM connection setup")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
net/bluetooth/rfcomm/sock.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index b54e8a530f55a..29aa07e9db9d7 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -629,7 +629,7 @@ static int rfcomm_sock_setsockopt_old(struct socket *sock, int optname,
switch (optname) {
case RFCOMM_LM:
- if (copy_from_sockptr(&opt, optval, sizeof(u32))) {
+ if (bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen)) {
err = -EFAULT;
break;
}
@@ -664,7 +664,6 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname,
struct sock *sk = sock->sk;
struct bt_security sec;
int err = 0;
- size_t len;
u32 opt;
BT_DBG("sk %p", sk);
@@ -686,11 +685,9 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname,
sec.level = BT_SECURITY_LOW;
- len = min_t(unsigned int, sizeof(sec), optlen);
- if (copy_from_sockptr(&sec, optval, len)) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&sec, sizeof(sec), optval, optlen);
+ if (err)
break;
- }
if (sec.level > BT_SECURITY_HIGH) {
err = -EINVAL;
@@ -706,10 +703,9 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname,
break;
}
- if (copy_from_sockptr(&opt, optval, sizeof(u32))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen);
+ if (err)
break;
- }
if (opt)
set_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
--
GitLab
From 4f3951242ace5efc7131932e2e01e6ac6baed846 Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Fri, 5 Apr 2024 15:50:47 -0400
Subject: [PATCH 2399/2686] Bluetooth: L2CAP: Fix not validating setsockopt
user input
Check user input length before copying data.
Fixes: 33575df7be67 ("Bluetooth: move l2cap_sock_setsockopt() to l2cap_sock.c")
Fixes: 3ee7b7cd8390 ("Bluetooth: Add BT_MODE socket option")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
net/bluetooth/l2cap_sock.c | 52 +++++++++++++++-----------------------
1 file changed, 20 insertions(+), 32 deletions(-)
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 4287aa6cc988e..e7d810b23082f 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -727,7 +727,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname,
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct l2cap_options opts;
- int len, err = 0;
+ int err = 0;
u32 opt;
BT_DBG("sk %p", sk);
@@ -754,11 +754,9 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname,
opts.max_tx = chan->max_tx;
opts.txwin_size = chan->tx_win;
- len = min_t(unsigned int, sizeof(opts), optlen);
- if (copy_from_sockptr(&opts, optval, len)) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&opts, sizeof(opts), optval, optlen);
+ if (err)
break;
- }
if (opts.txwin_size > L2CAP_DEFAULT_EXT_WINDOW) {
err = -EINVAL;
@@ -801,10 +799,9 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname,
break;
case L2CAP_LM:
- if (copy_from_sockptr(&opt, optval, sizeof(u32))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen);
+ if (err)
break;
- }
if (opt & L2CAP_LM_FIPS) {
err = -EINVAL;
@@ -885,7 +882,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
struct bt_security sec;
struct bt_power pwr;
struct l2cap_conn *conn;
- int len, err = 0;
+ int err = 0;
u32 opt;
u16 mtu;
u8 mode;
@@ -911,11 +908,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
sec.level = BT_SECURITY_LOW;
- len = min_t(unsigned int, sizeof(sec), optlen);
- if (copy_from_sockptr(&sec, optval, len)) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&sec, sizeof(sec), optval, optlen);
+ if (err)
break;
- }
if (sec.level < BT_SECURITY_LOW ||
sec.level > BT_SECURITY_FIPS) {
@@ -960,10 +955,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
break;
}
- if (copy_from_sockptr(&opt, optval, sizeof(u32))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen);
+ if (err)
break;
- }
if (opt) {
set_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
@@ -975,10 +969,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
break;
case BT_FLUSHABLE:
- if (copy_from_sockptr(&opt, optval, sizeof(u32))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen);
+ if (err)
break;
- }
if (opt > BT_FLUSHABLE_ON) {
err = -EINVAL;
@@ -1010,11 +1003,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
pwr.force_active = BT_POWER_FORCE_ACTIVE_ON;
- len = min_t(unsigned int, sizeof(pwr), optlen);
- if (copy_from_sockptr(&pwr, optval, len)) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&pwr, sizeof(pwr), optval, optlen);
+ if (err)
break;
- }
if (pwr.force_active)
set_bit(FLAG_FORCE_ACTIVE, &chan->flags);
@@ -1023,10 +1014,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
break;
case BT_CHANNEL_POLICY:
- if (copy_from_sockptr(&opt, optval, sizeof(u32))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen);
+ if (err)
break;
- }
err = -EOPNOTSUPP;
break;
@@ -1055,10 +1045,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
break;
}
- if (copy_from_sockptr(&mtu, optval, sizeof(u16))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&mtu, sizeof(mtu), optval, optlen);
+ if (err)
break;
- }
if (chan->mode == L2CAP_MODE_EXT_FLOWCTL &&
sk->sk_state == BT_CONNECTED)
@@ -1086,10 +1075,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
break;
}
- if (copy_from_sockptr(&mode, optval, sizeof(u8))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&mode, sizeof(mode), optval, optlen);
+ if (err)
break;
- }
BT_DBG("mode %u", mode);
--
GitLab
From 9e8742cdfc4b0e65266bb4a901a19462bda9285e Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Fri, 5 Apr 2024 15:56:50 -0400
Subject: [PATCH 2400/2686] Bluetooth: ISO: Fix not validating setsockopt user
input
Check user input length before copying data.
Fixes: ccf74f2390d6 ("Bluetooth: Add BTPROTO_ISO socket type")
Fixes: 0731c5ab4d51 ("Bluetooth: ISO: Add support for BT_PKT_STATUS")
Fixes: f764a6c2c1e4 ("Bluetooth: ISO: Add broadcast support")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
net/bluetooth/iso.c | 36 ++++++++++++------------------------
1 file changed, 12 insertions(+), 24 deletions(-)
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index d24148ea883c4..ef0cc80b4c0cc 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -1500,7 +1500,7 @@ static int iso_sock_setsockopt(struct socket *sock, int level, int optname,
sockptr_t optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
- int len, err = 0;
+ int err = 0;
struct bt_iso_qos qos = default_qos;
u32 opt;
@@ -1515,10 +1515,9 @@ static int iso_sock_setsockopt(struct socket *sock, int level, int optname,
break;
}
- if (copy_from_sockptr(&opt, optval, sizeof(u32))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen);
+ if (err)
break;
- }
if (opt)
set_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
@@ -1527,10 +1526,9 @@ static int iso_sock_setsockopt(struct socket *sock, int level, int optname,
break;
case BT_PKT_STATUS:
- if (copy_from_sockptr(&opt, optval, sizeof(u32))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen);
+ if (err)
break;
- }
if (opt)
set_bit(BT_SK_PKT_STATUS, &bt_sk(sk)->flags);
@@ -1545,17 +1543,9 @@ static int iso_sock_setsockopt(struct socket *sock, int level, int optname,
break;
}
- len = min_t(unsigned int, sizeof(qos), optlen);
-
- if (copy_from_sockptr(&qos, optval, len)) {
- err = -EFAULT;
- break;
- }
-
- if (len == sizeof(qos.ucast) && !check_ucast_qos(&qos)) {
- err = -EINVAL;
+ err = bt_copy_from_sockptr(&qos, sizeof(qos), optval, optlen);
+ if (err)
break;
- }
iso_pi(sk)->qos = qos;
iso_pi(sk)->qos_user_set = true;
@@ -1570,18 +1560,16 @@ static int iso_sock_setsockopt(struct socket *sock, int level, int optname,
}
if (optlen > sizeof(iso_pi(sk)->base)) {
- err = -EOVERFLOW;
+ err = -EINVAL;
break;
}
- len = min_t(unsigned int, sizeof(iso_pi(sk)->base), optlen);
-
- if (copy_from_sockptr(iso_pi(sk)->base, optval, len)) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(iso_pi(sk)->base, optlen, optval,
+ optlen);
+ if (err)
break;
- }
- iso_pi(sk)->base_len = len;
+ iso_pi(sk)->base_len = optlen;
break;
--
GitLab
From b2186061d6043d6345a97100460363e990af0d46 Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Fri, 5 Apr 2024 16:46:50 -0400
Subject: [PATCH 2401/2686] Bluetooth: hci_sock: Fix not validating setsockopt
user input
Check user input length before copying data.
Fixes: 09572fca7223 ("Bluetooth: hci_sock: Add support for BT_{SND,RCV}BUF")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
net/bluetooth/hci_sock.c | 21 ++++++++-------------
1 file changed, 8 insertions(+), 13 deletions(-)
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 4ee1b976678b2..703b84bd48d5b 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -1946,10 +1946,9 @@ static int hci_sock_setsockopt_old(struct socket *sock, int level, int optname,
switch (optname) {
case HCI_DATA_DIR:
- if (copy_from_sockptr(&opt, optval, sizeof(opt))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, len);
+ if (err)
break;
- }
if (opt)
hci_pi(sk)->cmsg_mask |= HCI_CMSG_DIR;
@@ -1958,10 +1957,9 @@ static int hci_sock_setsockopt_old(struct socket *sock, int level, int optname,
break;
case HCI_TIME_STAMP:
- if (copy_from_sockptr(&opt, optval, sizeof(opt))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, len);
+ if (err)
break;
- }
if (opt)
hci_pi(sk)->cmsg_mask |= HCI_CMSG_TSTAMP;
@@ -1979,11 +1977,9 @@ static int hci_sock_setsockopt_old(struct socket *sock, int level, int optname,
uf.event_mask[1] = *((u32 *) f->event_mask + 1);
}
- len = min_t(unsigned int, len, sizeof(uf));
- if (copy_from_sockptr(&uf, optval, len)) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&uf, sizeof(uf), optval, len);
+ if (err)
break;
- }
if (!capable(CAP_NET_RAW)) {
uf.type_mask &= hci_sec_filter.type_mask;
@@ -2042,10 +2038,9 @@ static int hci_sock_setsockopt(struct socket *sock, int level, int optname,
goto done;
}
- if (copy_from_sockptr(&opt, optval, sizeof(opt))) {
- err = -EFAULT;
+ err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, len);
+ if (err)
break;
- }
hci_pi(sk)->mtu = opt;
break;
--
GitLab
From 600b0bbe73d3a9a264694da0e4c2c0800309141e Mon Sep 17 00:00:00 2001
From: Archie Pusaka <apusaka@chromium.org>
Date: Thu, 4 Apr 2024 18:50:23 +0800
Subject: [PATCH 2402/2686] Bluetooth: l2cap: Don't double set the
HCI_CONN_MGMT_CONNECTED bit
The bit is set and tested inside mgmt_device_connected(), therefore we
must not set it just outside the function.
Fixes: eeda1bf97bb5 ("Bluetooth: hci_event: Fix not indicating new connection for BIG Sync")
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Manish Mandlik <mmandlik@chromium.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
net/bluetooth/l2cap_core.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 467b242d8be07..dc08974087936 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -4054,8 +4054,7 @@ static int l2cap_connect_req(struct l2cap_conn *conn,
return -EPROTO;
hci_dev_lock(hdev);
- if (hci_dev_test_flag(hdev, HCI_MGMT) &&
- !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &hcon->flags))
+ if (hci_dev_test_flag(hdev, HCI_MGMT))
mgmt_device_connected(hdev, hcon, NULL, 0);
hci_dev_unlock(hdev);
--
GitLab
From 5284984a4fbacb0883bfebe905902cdda2891a07 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@intel.com>
Date: Wed, 10 Apr 2024 18:32:12 +0300
Subject: [PATCH 2403/2686] bug: Fix no-return-statement warning with
!CONFIG_BUG
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
BUG() does not return, and arch implementations of BUG() use unreachable()
or other non-returning code. However with !CONFIG_BUG, the default
implementation is often used instead, and that does not do that. x86 always
uses its own implementation, but powerpc with !CONFIG_BUG gives a build
error:
kernel/time/timekeeping.c: In function ‘timekeeping_debug_get_ns’:
kernel/time/timekeeping.c:286:1: error: no return statement in function
returning non-void [-Werror=return-type]
Add unreachable() to default !CONFIG_BUG BUG() implementation.
Fixes: e8e9d21a5df6 ("timekeeping: Refactor timekeeping helpers")
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Link: https://lore.kernel.org/r/20240410153212.127477-1-adrian.hunter@intel.com
Closes: https://lore.kernel.org/all/CA+G9fYvjdZCW=7ZGxS6A_3bysjQ56YF7S-+PNLQ_8a4DKh1Bhg@mail.gmail.com/
---
include/asm-generic/bug.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 6e794420bd398..b7de3a4eade1c 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -156,7 +156,10 @@ extern __printf(1, 2) void __warn_printk(const char *fmt, ...);
#else /* !CONFIG_BUG */
#ifndef HAVE_ARCH_BUG
-#define BUG() do {} while (1)
+#define BUG() do { \
+ do {} while (1); \
+ unreachable(); \
+} while (0)
#endif
#ifndef HAVE_ARCH_BUG_ON
--
GitLab
From 076361362122a6d8a4c45f172ced5576b2d4a50d Mon Sep 17 00:00:00 2001
From: John Stultz <jstultz@google.com>
Date: Tue, 9 Apr 2024 13:22:12 -0700
Subject: [PATCH 2404/2686] selftests: timers: Fix valid-adjtimex signed
left-shift undefined behavior
The struct adjtimex freq field takes a signed value who's units are in
shifted (<<16) parts-per-million.
Unfortunately for negative adjustments, the straightforward use of:
freq = ppm << 16 trips undefined behavior warnings with clang:
valid-adjtimex.c:66:6: warning: shifting a negative signed value is undefined [-Wshift-negative-value]
-499<<16,
~~~~^
valid-adjtimex.c:67:6: warning: shifting a negative signed value is undefined [-Wshift-negative-value]
-450<<16,
~~~~^
..
Fix it by using a multiply by (1 << 16) instead of shifting negative values
in the valid-adjtimex test case. Align the values for better readability.
Reported-by: Lee Jones <joneslee@google.com>
Reported-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: John Stultz <jstultz@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20240409202222.2830476-1-jstultz@google.com
Link: https://lore.kernel.org/lkml/0c6d4f0d-2064-4444-986b-1d1ed782135f@collabora.com/
---
.../testing/selftests/timers/valid-adjtimex.c | 73 +++++++++----------
1 file changed, 36 insertions(+), 37 deletions(-)
diff --git a/tools/testing/selftests/timers/valid-adjtimex.c b/tools/testing/selftests/timers/valid-adjtimex.c
index 48b9a803235a8..d13ebde203221 100644
--- a/tools/testing/selftests/timers/valid-adjtimex.c
+++ b/tools/testing/selftests/timers/valid-adjtimex.c
@@ -21,9 +21,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
-
-
-
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
@@ -62,45 +59,47 @@ int clear_time_state(void)
#define NUM_FREQ_OUTOFRANGE 4
#define NUM_FREQ_INVALID 2
+#define SHIFTED_PPM (1 << 16)
+
long valid_freq[NUM_FREQ_VALID] = {
- -499<<16,
- -450<<16,
- -400<<16,
- -350<<16,
- -300<<16,
- -250<<16,
- -200<<16,
- -150<<16,
- -100<<16,
- -75<<16,
- -50<<16,
- -25<<16,
- -10<<16,
- -5<<16,
- -1<<16,
+ -499 * SHIFTED_PPM,
+ -450 * SHIFTED_PPM,
+ -400 * SHIFTED_PPM,
+ -350 * SHIFTED_PPM,
+ -300 * SHIFTED_PPM,
+ -250 * SHIFTED_PPM,
+ -200 * SHIFTED_PPM,
+ -150 * SHIFTED_PPM,
+ -100 * SHIFTED_PPM,
+ -75 * SHIFTED_PPM,
+ -50 * SHIFTED_PPM,
+ -25 * SHIFTED_PPM,
+ -10 * SHIFTED_PPM,
+ -5 * SHIFTED_PPM,
+ -1 * SHIFTED_PPM,
-1000,
- 1<<16,
- 5<<16,
- 10<<16,
- 25<<16,
- 50<<16,
- 75<<16,
- 100<<16,
- 150<<16,
- 200<<16,
- 250<<16,
- 300<<16,
- 350<<16,
- 400<<16,
- 450<<16,
- 499<<16,
+ 1 * SHIFTED_PPM,
+ 5 * SHIFTED_PPM,
+ 10 * SHIFTED_PPM,
+ 25 * SHIFTED_PPM,
+ 50 * SHIFTED_PPM,
+ 75 * SHIFTED_PPM,
+ 100 * SHIFTED_PPM,
+ 150 * SHIFTED_PPM,
+ 200 * SHIFTED_PPM,
+ 250 * SHIFTED_PPM,
+ 300 * SHIFTED_PPM,
+ 350 * SHIFTED_PPM,
+ 400 * SHIFTED_PPM,
+ 450 * SHIFTED_PPM,
+ 499 * SHIFTED_PPM,
};
long outofrange_freq[NUM_FREQ_OUTOFRANGE] = {
- -1000<<16,
- -550<<16,
- 550<<16,
- 1000<<16,
+ -1000 * SHIFTED_PPM,
+ -550 * SHIFTED_PPM,
+ 550 * SHIFTED_PPM,
+ 1000 * SHIFTED_PPM,
};
#define LONG_MAX (~0UL>>1)
--
GitLab
From d9ea7a3f66a5c7e1a2f73cf4b20f5eff3ced4ff8 Mon Sep 17 00:00:00 2001
From: Li Zhijian <lizhijian@fujitsu.com>
Date: Tue, 19 Mar 2024 11:43:50 +0800
Subject: [PATCH 2405/2686] hv: vmbus: Convert sprintf() family to sysfs_emit()
family
Per filesystems/sysfs.rst, show() should only use sysfs_emit()
or sysfs_emit_at() when formatting the value to be returned to user space.
Coccinelle complains that there are still a couple of functions that use
snprintf(). Convert them to sysfs_emit().
sprintf() and scnprintf() will be converted as well if these files have
such abused cases.
This patch is generated by
make coccicheck M=<path/to/file> MODE=patch \
COCCI=scripts/coccinelle/api/device_attr_show.cocci
No functional change intended.
CC: "K. Y. Srinivasan" <kys@microsoft.com>
CC: Haiyang Zhang <haiyangz@microsoft.com>
CC: Wei Liu <wei.liu@kernel.org>
CC: Dexuan Cui <decui@microsoft.com>
CC: linux-hyperv@vger.kernel.org
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Link: https://lore.kernel.org/r/20240319034350.1574454-1-lizhijian@fujitsu.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20240319034350.1574454-1-lizhijian@fujitsu.com>
---
drivers/hv/vmbus_drv.c | 94 +++++++++++++++++++-----------------------
1 file changed, 42 insertions(+), 52 deletions(-)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 7f7965f3d1878..121f1ab32b51c 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -131,7 +131,7 @@ static ssize_t id_show(struct device *dev, struct device_attribute *dev_attr,
if (!hv_dev->channel)
return -ENODEV;
- return sprintf(buf, "%d\n", hv_dev->channel->offermsg.child_relid);
+ return sysfs_emit(buf, "%d\n", hv_dev->channel->offermsg.child_relid);
}
static DEVICE_ATTR_RO(id);
@@ -142,7 +142,7 @@ static ssize_t state_show(struct device *dev, struct device_attribute *dev_attr,
if (!hv_dev->channel)
return -ENODEV;
- return sprintf(buf, "%d\n", hv_dev->channel->state);
+ return sysfs_emit(buf, "%d\n", hv_dev->channel->state);
}
static DEVICE_ATTR_RO(state);
@@ -153,7 +153,7 @@ static ssize_t monitor_id_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
- return sprintf(buf, "%d\n", hv_dev->channel->offermsg.monitorid);
+ return sysfs_emit(buf, "%d\n", hv_dev->channel->offermsg.monitorid);
}
static DEVICE_ATTR_RO(monitor_id);
@@ -164,8 +164,8 @@ static ssize_t class_id_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
- return sprintf(buf, "{%pUl}\n",
- &hv_dev->channel->offermsg.offer.if_type);
+ return sysfs_emit(buf, "{%pUl}\n",
+ &hv_dev->channel->offermsg.offer.if_type);
}
static DEVICE_ATTR_RO(class_id);
@@ -176,8 +176,8 @@ static ssize_t device_id_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
- return sprintf(buf, "{%pUl}\n",
- &hv_dev->channel->offermsg.offer.if_instance);
+ return sysfs_emit(buf, "{%pUl}\n",
+ &hv_dev->channel->offermsg.offer.if_instance);
}
static DEVICE_ATTR_RO(device_id);
@@ -186,7 +186,7 @@ static ssize_t modalias_show(struct device *dev,
{
struct hv_device *hv_dev = device_to_hv_device(dev);
- return sprintf(buf, "vmbus:%*phN\n", UUID_SIZE, &hv_dev->dev_type);
+ return sysfs_emit(buf, "vmbus:%*phN\n", UUID_SIZE, &hv_dev->dev_type);
}
static DEVICE_ATTR_RO(modalias);
@@ -199,7 +199,7 @@ static ssize_t numa_node_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
- return sprintf(buf, "%d\n", cpu_to_node(hv_dev->channel->target_cpu));
+ return sysfs_emit(buf, "%d\n", cpu_to_node(hv_dev->channel->target_cpu));
}
static DEVICE_ATTR_RO(numa_node);
#endif
@@ -212,9 +212,8 @@ static ssize_t server_monitor_pending_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
- return sprintf(buf, "%d\n",
- channel_pending(hv_dev->channel,
- vmbus_connection.monitor_pages[0]));
+ return sysfs_emit(buf, "%d\n", channel_pending(hv_dev->channel,
+ vmbus_connection.monitor_pages[0]));
}
static DEVICE_ATTR_RO(server_monitor_pending);
@@ -226,9 +225,8 @@ static ssize_t client_monitor_pending_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
- return sprintf(buf, "%d\n",
- channel_pending(hv_dev->channel,
- vmbus_connection.monitor_pages[1]));
+ return sysfs_emit(buf, "%d\n", channel_pending(hv_dev->channel,
+ vmbus_connection.monitor_pages[1]));
}
static DEVICE_ATTR_RO(client_monitor_pending);
@@ -240,9 +238,8 @@ static ssize_t server_monitor_latency_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
- return sprintf(buf, "%d\n",
- channel_latency(hv_dev->channel,
- vmbus_connection.monitor_pages[0]));
+ return sysfs_emit(buf, "%d\n", channel_latency(hv_dev->channel,
+ vmbus_connection.monitor_pages[0]));
}
static DEVICE_ATTR_RO(server_monitor_latency);
@@ -254,9 +251,8 @@ static ssize_t client_monitor_latency_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
- return sprintf(buf, "%d\n",
- channel_latency(hv_dev->channel,
- vmbus_connection.monitor_pages[1]));
+ return sysfs_emit(buf, "%d\n", channel_latency(hv_dev->channel,
+ vmbus_connection.monitor_pages[1]));
}
static DEVICE_ATTR_RO(client_monitor_latency);
@@ -268,9 +264,8 @@ static ssize_t server_monitor_conn_id_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
- return sprintf(buf, "%d\n",
- channel_conn_id(hv_dev->channel,
- vmbus_connection.monitor_pages[0]));
+ return sysfs_emit(buf, "%d\n", channel_conn_id(hv_dev->channel,
+ vmbus_connection.monitor_pages[0]));
}
static DEVICE_ATTR_RO(server_monitor_conn_id);
@@ -282,9 +277,8 @@ static ssize_t client_monitor_conn_id_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
- return sprintf(buf, "%d\n",
- channel_conn_id(hv_dev->channel,
- vmbus_connection.monitor_pages[1]));
+ return sysfs_emit(buf, "%d\n", channel_conn_id(hv_dev->channel,
+ vmbus_connection.monitor_pages[1]));
}
static DEVICE_ATTR_RO(client_monitor_conn_id);
@@ -303,7 +297,7 @@ static ssize_t out_intr_mask_show(struct device *dev,
if (ret < 0)
return ret;
- return sprintf(buf, "%d\n", outbound.current_interrupt_mask);
+ return sysfs_emit(buf, "%d\n", outbound.current_interrupt_mask);
}
static DEVICE_ATTR_RO(out_intr_mask);
@@ -321,7 +315,7 @@ static ssize_t out_read_index_show(struct device *dev,
&outbound);
if (ret < 0)
return ret;
- return sprintf(buf, "%d\n", outbound.current_read_index);
+ return sysfs_emit(buf, "%d\n", outbound.current_read_index);
}
static DEVICE_ATTR_RO(out_read_index);
@@ -340,7 +334,7 @@ static ssize_t out_write_index_show(struct device *dev,
&outbound);
if (ret < 0)
return ret;
- return sprintf(buf, "%d\n", outbound.current_write_index);
+ return sysfs_emit(buf, "%d\n", outbound.current_write_index);
}
static DEVICE_ATTR_RO(out_write_index);
@@ -359,7 +353,7 @@ static ssize_t out_read_bytes_avail_show(struct device *dev,
&outbound);
if (ret < 0)
return ret;
- return sprintf(buf, "%d\n", outbound.bytes_avail_toread);
+ return sysfs_emit(buf, "%d\n", outbound.bytes_avail_toread);
}
static DEVICE_ATTR_RO(out_read_bytes_avail);
@@ -378,7 +372,7 @@ static ssize_t out_write_bytes_avail_show(struct device *dev,
&outbound);
if (ret < 0)
return ret;
- return sprintf(buf, "%d\n", outbound.bytes_avail_towrite);
+ return sysfs_emit(buf, "%d\n", outbound.bytes_avail_towrite);
}
static DEVICE_ATTR_RO(out_write_bytes_avail);
@@ -396,7 +390,7 @@ static ssize_t in_intr_mask_show(struct device *dev,
if (ret < 0)
return ret;
- return sprintf(buf, "%d\n", inbound.current_interrupt_mask);
+ return sysfs_emit(buf, "%d\n", inbound.current_interrupt_mask);
}
static DEVICE_ATTR_RO(in_intr_mask);
@@ -414,7 +408,7 @@ static ssize_t in_read_index_show(struct device *dev,
if (ret < 0)
return ret;
- return sprintf(buf, "%d\n", inbound.current_read_index);
+ return sysfs_emit(buf, "%d\n", inbound.current_read_index);
}
static DEVICE_ATTR_RO(in_read_index);
@@ -432,7 +426,7 @@ static ssize_t in_write_index_show(struct device *dev,
if (ret < 0)
return ret;
- return sprintf(buf, "%d\n", inbound.current_write_index);
+ return sysfs_emit(buf, "%d\n", inbound.current_write_index);
}
static DEVICE_ATTR_RO(in_write_index);
@@ -451,7 +445,7 @@ static ssize_t in_read_bytes_avail_show(struct device *dev,
if (ret < 0)
return ret;
- return sprintf(buf, "%d\n", inbound.bytes_avail_toread);
+ return sysfs_emit(buf, "%d\n", inbound.bytes_avail_toread);
}
static DEVICE_ATTR_RO(in_read_bytes_avail);
@@ -470,7 +464,7 @@ static ssize_t in_write_bytes_avail_show(struct device *dev,
if (ret < 0)
return ret;
- return sprintf(buf, "%d\n", inbound.bytes_avail_towrite);
+ return sysfs_emit(buf, "%d\n", inbound.bytes_avail_towrite);
}
static DEVICE_ATTR_RO(in_write_bytes_avail);
@@ -480,7 +474,7 @@ static ssize_t channel_vp_mapping_show(struct device *dev,
{
struct hv_device *hv_dev = device_to_hv_device(dev);
struct vmbus_channel *channel = hv_dev->channel, *cur_sc;
- int buf_size = PAGE_SIZE, n_written, tot_written;
+ int n_written;
struct list_head *cur;
if (!channel)
@@ -488,25 +482,21 @@ static ssize_t channel_vp_mapping_show(struct device *dev,
mutex_lock(&vmbus_connection.channel_mutex);
- tot_written = snprintf(buf, buf_size, "%u:%u\n",
- channel->offermsg.child_relid, channel->target_cpu);
+ n_written = sysfs_emit(buf, "%u:%u\n",
+ channel->offermsg.child_relid,
+ channel->target_cpu);
list_for_each(cur, &channel->sc_list) {
- if (tot_written >= buf_size - 1)
- break;
cur_sc = list_entry(cur, struct vmbus_channel, sc_list);
- n_written = scnprintf(buf + tot_written,
- buf_size - tot_written,
- "%u:%u\n",
- cur_sc->offermsg.child_relid,
- cur_sc->target_cpu);
- tot_written += n_written;
+ n_written += sysfs_emit_at(buf, n_written, "%u:%u\n",
+ cur_sc->offermsg.child_relid,
+ cur_sc->target_cpu);
}
mutex_unlock(&vmbus_connection.channel_mutex);
- return tot_written;
+ return n_written;
}
static DEVICE_ATTR_RO(channel_vp_mapping);
@@ -516,7 +506,7 @@ static ssize_t vendor_show(struct device *dev,
{
struct hv_device *hv_dev = device_to_hv_device(dev);
- return sprintf(buf, "0x%x\n", hv_dev->vendor_id);
+ return sysfs_emit(buf, "0x%x\n", hv_dev->vendor_id);
}
static DEVICE_ATTR_RO(vendor);
@@ -526,7 +516,7 @@ static ssize_t device_show(struct device *dev,
{
struct hv_device *hv_dev = device_to_hv_device(dev);
- return sprintf(buf, "0x%x\n", hv_dev->device_id);
+ return sysfs_emit(buf, "0x%x\n", hv_dev->device_id);
}
static DEVICE_ATTR_RO(device);
@@ -551,7 +541,7 @@ static ssize_t driver_override_show(struct device *dev,
ssize_t len;
device_lock(dev);
- len = snprintf(buf, PAGE_SIZE, "%s\n", hv_dev->driver_override);
+ len = sysfs_emit(buf, "%s\n", hv_dev->driver_override);
device_unlock(dev);
return len;
--
GitLab
From f971f6dd3742d22dd13710306fb4365ea7bcb536 Mon Sep 17 00:00:00 2001
From: Shradha Gupta <shradhagupta@linux.microsoft.com>
Date: Fri, 22 Mar 2024 06:46:02 -0700
Subject: [PATCH 2406/2686] hv/hv_kvp_daemon: Handle IPv4 and Ipv6 combination
for keyfile format
If the network configuration strings are passed as a combination of IPv4
and IPv6 addresses, the current KVP daemon does not handle processing for
the keyfile configuration format.
With these changes, the keyfile config generation logic scans through the
list twice to generate IPv4 and IPv6 sections for the configuration files
to handle this support.
Testcases ran:Rhel 9, Hyper-V VMs
(IPv4 only, IPv6 only, IPv4 and IPv6 combination)
Co-developed-by: Ani Sinha <anisinha@redhat.com>
Signed-off-by: Ani Sinha <anisinha@redhat.com>
Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Reviewed-by: Easwar Hariharan <eahariha@linux.microsoft.com>
Tested-by: Ani Sinha <anisinha@redhat.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Link: https://lore.kernel.org/r/1711115162-11629-1-git-send-email-shradhagupta@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1711115162-11629-1-git-send-email-shradhagupta@linux.microsoft.com>
---
tools/hv/hv_kvp_daemon.c | 213 +++++++++++++++++++++++++++++++--------
1 file changed, 172 insertions(+), 41 deletions(-)
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 318e2dad27e04..ae57bf69ad4af 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -76,6 +76,12 @@ enum {
DNS
};
+enum {
+ IPV4 = 1,
+ IPV6,
+ IP_TYPE_MAX
+};
+
static int in_hand_shake;
static char *os_name = "";
@@ -102,6 +108,11 @@ static struct utsname uts_buf;
#define MAX_FILE_NAME 100
#define ENTRIES_PER_BLOCK 50
+/*
+ * Change this entry if the number of addresses increases in future
+ */
+#define MAX_IP_ENTRIES 64
+#define OUTSTR_BUF_SIZE ((INET6_ADDRSTRLEN + 1) * MAX_IP_ENTRIES)
struct kvp_record {
char key[HV_KVP_EXCHANGE_MAX_KEY_SIZE];
@@ -1171,6 +1182,18 @@ static int process_ip_string(FILE *f, char *ip_string, int type)
return 0;
}
+int ip_version_check(const char *input_addr)
+{
+ struct in6_addr addr;
+
+ if (inet_pton(AF_INET, input_addr, &addr))
+ return IPV4;
+ else if (inet_pton(AF_INET6, input_addr, &addr))
+ return IPV6;
+
+ return -EINVAL;
+}
+
/*
* Only IPv4 subnet strings needs to be converted to plen
* For IPv6 the subnet is already privided in plen format
@@ -1197,14 +1220,75 @@ static int kvp_subnet_to_plen(char *subnet_addr_str)
return plen;
}
+static int process_dns_gateway_nm(FILE *f, char *ip_string, int type,
+ int ip_sec)
+{
+ char addr[INET6_ADDRSTRLEN], *output_str;
+ int ip_offset = 0, error = 0, ip_ver;
+ char *param_name;
+
+ if (type == DNS)
+ param_name = "dns";
+ else if (type == GATEWAY)
+ param_name = "gateway";
+ else
+ return -EINVAL;
+
+ output_str = (char *)calloc(OUTSTR_BUF_SIZE, sizeof(char));
+ if (!output_str)
+ return -ENOMEM;
+
+ while (1) {
+ memset(addr, 0, sizeof(addr));
+
+ if (!parse_ip_val_buffer(ip_string, &ip_offset, addr,
+ (MAX_IP_ADDR_SIZE * 2)))
+ break;
+
+ ip_ver = ip_version_check(addr);
+ if (ip_ver < 0)
+ continue;
+
+ if ((ip_ver == IPV4 && ip_sec == IPV4) ||
+ (ip_ver == IPV6 && ip_sec == IPV6)) {
+ /*
+ * do a bound check to avoid out-of bound writes
+ */
+ if ((OUTSTR_BUF_SIZE - strlen(output_str)) >
+ (strlen(addr) + 1)) {
+ strncat(output_str, addr,
+ OUTSTR_BUF_SIZE -
+ strlen(output_str) - 1);
+ strncat(output_str, ",",
+ OUTSTR_BUF_SIZE -
+ strlen(output_str) - 1);
+ }
+ } else {
+ continue;
+ }
+ }
+
+ if (strlen(output_str)) {
+ /*
+ * This is to get rid of that extra comma character
+ * in the end of the string
+ */
+ output_str[strlen(output_str) - 1] = '\0';
+ error = fprintf(f, "%s=%s\n", param_name, output_str);
+ }
+
+ free(output_str);
+ return error;
+}
+
static int process_ip_string_nm(FILE *f, char *ip_string, char *subnet,
- int is_ipv6)
+ int ip_sec)
{
char addr[INET6_ADDRSTRLEN];
char subnet_addr[INET6_ADDRSTRLEN];
- int error, i = 0;
+ int error = 0, i = 0;
int ip_offset = 0, subnet_offset = 0;
- int plen;
+ int plen, ip_ver;
memset(addr, 0, sizeof(addr));
memset(subnet_addr, 0, sizeof(subnet_addr));
@@ -1216,10 +1300,16 @@ static int process_ip_string_nm(FILE *f, char *ip_string, char *subnet,
subnet_addr,
(MAX_IP_ADDR_SIZE *
2))) {
- if (!is_ipv6)
+ ip_ver = ip_version_check(addr);
+ if (ip_ver < 0)
+ continue;
+
+ if (ip_ver == IPV4 && ip_sec == IPV4)
plen = kvp_subnet_to_plen((char *)subnet_addr);
- else
+ else if (ip_ver == IPV6 && ip_sec == IPV6)
plen = atoi(subnet_addr);
+ else
+ continue;
if (plen < 0)
return plen;
@@ -1233,17 +1323,16 @@ static int process_ip_string_nm(FILE *f, char *ip_string, char *subnet,
memset(subnet_addr, 0, sizeof(subnet_addr));
}
- return 0;
+ return error;
}
static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val)
{
- int error = 0;
+ int error = 0, ip_ver;
char if_filename[PATH_MAX];
char nm_filename[PATH_MAX];
FILE *ifcfg_file, *nmfile;
char cmd[PATH_MAX];
- int is_ipv6 = 0;
char *mac_addr;
int str_len;
@@ -1421,52 +1510,94 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val)
if (error)
goto setval_error;
- if (new_val->addr_family & ADDR_FAMILY_IPV6) {
- error = fprintf(nmfile, "\n[ipv6]\n");
- if (error < 0)
- goto setval_error;
- is_ipv6 = 1;
- } else {
- error = fprintf(nmfile, "\n[ipv4]\n");
- if (error < 0)
- goto setval_error;
- }
-
/*
* Now we populate the keyfile format
+ *
+ * The keyfile format expects the IPv6 and IPv4 configuration in
+ * different sections. Therefore we iterate through the list twice,
+ * once to populate the IPv4 section and the next time for IPv6
*/
+ ip_ver = IPV4;
+ do {
+ if (ip_ver == IPV4) {
+ error = fprintf(nmfile, "\n[ipv4]\n");
+ if (error < 0)
+ goto setval_error;
+ } else {
+ error = fprintf(nmfile, "\n[ipv6]\n");
+ if (error < 0)
+ goto setval_error;
+ }
- if (new_val->dhcp_enabled) {
- error = kvp_write_file(nmfile, "method", "", "auto");
- if (error < 0)
- goto setval_error;
- } else {
- error = kvp_write_file(nmfile, "method", "", "manual");
+ /*
+ * Write the configuration for ipaddress, netmask, gateway and
+ * name services
+ */
+ error = process_ip_string_nm(nmfile, (char *)new_val->ip_addr,
+ (char *)new_val->sub_net,
+ ip_ver);
if (error < 0)
goto setval_error;
- }
- /*
- * Write the configuration for ipaddress, netmask, gateway and
- * name services
- */
- error = process_ip_string_nm(nmfile, (char *)new_val->ip_addr,
- (char *)new_val->sub_net, is_ipv6);
- if (error < 0)
- goto setval_error;
+ /*
+ * As dhcp_enabled is only valid for ipv4, we do not set dhcp
+ * methods for ipv6 based on dhcp_enabled flag.
+ *
+ * For ipv4, set method to manual only when dhcp_enabled is
+ * false and specific ipv4 addresses are configured. If neither
+ * dhcp_enabled is true and no ipv4 addresses are configured,
+ * set method to 'disabled'.
+ *
+ * For ipv6, set method to manual when we configure ipv6
+ * addresses. Otherwise set method to 'auto' so that SLAAC from
+ * RA may be used.
+ */
+ if (ip_ver == IPV4) {
+ if (new_val->dhcp_enabled) {
+ error = kvp_write_file(nmfile, "method", "",
+ "auto");
+ if (error < 0)
+ goto setval_error;
+ } else if (error) {
+ error = kvp_write_file(nmfile, "method", "",
+ "manual");
+ if (error < 0)
+ goto setval_error;
+ } else {
+ error = kvp_write_file(nmfile, "method", "",
+ "disabled");
+ if (error < 0)
+ goto setval_error;
+ }
+ } else if (ip_ver == IPV6) {
+ if (error) {
+ error = kvp_write_file(nmfile, "method", "",
+ "manual");
+ if (error < 0)
+ goto setval_error;
+ } else {
+ error = kvp_write_file(nmfile, "method", "",
+ "auto");
+ if (error < 0)
+ goto setval_error;
+ }
+ }
- /* we do not want ipv4 addresses in ipv6 section and vice versa */
- if (is_ipv6 != is_ipv4((char *)new_val->gate_way)) {
- error = fprintf(nmfile, "gateway=%s\n", (char *)new_val->gate_way);
+ error = process_dns_gateway_nm(nmfile,
+ (char *)new_val->gate_way,
+ GATEWAY, ip_ver);
if (error < 0)
goto setval_error;
- }
- if (is_ipv6 != is_ipv4((char *)new_val->dns_addr)) {
- error = fprintf(nmfile, "dns=%s\n", (char *)new_val->dns_addr);
+ error = process_dns_gateway_nm(nmfile,
+ (char *)new_val->dns_addr, DNS,
+ ip_ver);
if (error < 0)
goto setval_error;
- }
+
+ ip_ver++;
+ } while (ip_ver < IP_TYPE_MAX);
+
fclose(nmfile);
fclose(ifcfg_file);
--
GitLab
From 03f5a999adba062456c8c818a683beb1b498983a Mon Sep 17 00:00:00 2001
From: Rick Edgecombe <rick.p.edgecombe@intel.com>
Date: Mon, 11 Mar 2024 09:15:54 -0700
Subject: [PATCH 2407/2686] Drivers: hv: vmbus: Leak pages if
set_memory_encrypted() fails
In CoCo VMs it is possible for the untrusted host to cause
set_memory_encrypted() or set_memory_decrypted() to fail such that an
error is returned and the resulting memory is shared. Callers need to
take care to handle these errors to avoid returning decrypted (shared)
memory to the page allocator, which could lead to functional or security
issues.
VMBus code could free decrypted pages if set_memory_encrypted()/decrypted()
fails. Leak the pages if this happens.
Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Signed-off-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Link: https://lore.kernel.org/r/20240311161558.1310-2-mhklinux@outlook.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20240311161558.1310-2-mhklinux@outlook.com>
---
drivers/hv/connection.c | 29 ++++++++++++++++++++++-------
1 file changed, 22 insertions(+), 7 deletions(-)
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 3cabeeabb1cac..f001ae880e1db 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -237,8 +237,17 @@ int vmbus_connect(void)
vmbus_connection.monitor_pages[0], 1);
ret |= set_memory_decrypted((unsigned long)
vmbus_connection.monitor_pages[1], 1);
- if (ret)
+ if (ret) {
+ /*
+ * If set_memory_decrypted() fails, the encryption state
+ * of the memory is unknown. So leak the memory instead
+ * of risking returning decrypted memory to the free list.
+ * For simplicity, always handle both pages the same.
+ */
+ vmbus_connection.monitor_pages[0] = NULL;
+ vmbus_connection.monitor_pages[1] = NULL;
goto cleanup;
+ }
/*
* Set_memory_decrypted() will change the memory contents if
@@ -337,13 +346,19 @@ void vmbus_disconnect(void)
vmbus_connection.int_page = NULL;
}
- set_memory_encrypted((unsigned long)vmbus_connection.monitor_pages[0], 1);
- set_memory_encrypted((unsigned long)vmbus_connection.monitor_pages[1], 1);
+ if (vmbus_connection.monitor_pages[0]) {
+ if (!set_memory_encrypted(
+ (unsigned long)vmbus_connection.monitor_pages[0], 1))
+ hv_free_hyperv_page(vmbus_connection.monitor_pages[0]);
+ vmbus_connection.monitor_pages[0] = NULL;
+ }
- hv_free_hyperv_page(vmbus_connection.monitor_pages[0]);
- hv_free_hyperv_page(vmbus_connection.monitor_pages[1]);
- vmbus_connection.monitor_pages[0] = NULL;
- vmbus_connection.monitor_pages[1] = NULL;
+ if (vmbus_connection.monitor_pages[1]) {
+ if (!set_memory_encrypted(
+ (unsigned long)vmbus_connection.monitor_pages[1], 1))
+ hv_free_hyperv_page(vmbus_connection.monitor_pages[1]);
+ vmbus_connection.monitor_pages[1] = NULL;
+ }
}
/*
--
GitLab
From 211f514ebf1ef5de37b1cf6df9d28a56cfd242ca Mon Sep 17 00:00:00 2001
From: Rick Edgecombe <rick.p.edgecombe@intel.com>
Date: Mon, 11 Mar 2024 09:15:55 -0700
Subject: [PATCH 2408/2686] Drivers: hv: vmbus: Track decrypted status in
vmbus_gpadl
In CoCo VMs it is possible for the untrusted host to cause
set_memory_encrypted() or set_memory_decrypted() to fail such that an
error is returned and the resulting memory is shared. Callers need to
take care to handle these errors to avoid returning decrypted (shared)
memory to the page allocator, which could lead to functional or security
issues.
In order to make sure callers of vmbus_establish_gpadl() and
vmbus_teardown_gpadl() don't return decrypted/shared pages to
allocators, add a field in struct vmbus_gpadl to keep track of the
decryption status of the buffers. This will allow the callers to
know if they should free or leak the pages.
Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Signed-off-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Link: https://lore.kernel.org/r/20240311161558.1310-3-mhklinux@outlook.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20240311161558.1310-3-mhklinux@outlook.com>
---
drivers/hv/channel.c | 25 +++++++++++++++++++++----
include/linux/hyperv.h | 1 +
2 files changed, 22 insertions(+), 4 deletions(-)
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index adbf674355b2b..98259b4925029 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -436,9 +436,18 @@ static int __vmbus_establish_gpadl(struct vmbus_channel *channel,
(atomic_inc_return(&vmbus_connection.next_gpadl_handle) - 1);
ret = create_gpadl_header(type, kbuffer, size, send_offset, &msginfo);
- if (ret)
+ if (ret) {
+ gpadl->decrypted = false;
return ret;
+ }
+ /*
+ * Set the "decrypted" flag to true for the set_memory_decrypted()
+ * success case. In the failure case, the encryption state of the
+ * memory is unknown. Leave "decrypted" as true to ensure the
+ * memory will be leaked instead of going back on the free list.
+ */
+ gpadl->decrypted = true;
ret = set_memory_decrypted((unsigned long)kbuffer,
PFN_UP(size));
if (ret) {
@@ -527,9 +536,15 @@ static int __vmbus_establish_gpadl(struct vmbus_channel *channel,
kfree(msginfo);
- if (ret)
- set_memory_encrypted((unsigned long)kbuffer,
- PFN_UP(size));
+ if (ret) {
+ /*
+ * If set_memory_encrypted() fails, the decrypted flag is
+ * left as true so the memory is leaked instead of being
+ * put back on the free list.
+ */
+ if (!set_memory_encrypted((unsigned long)kbuffer, PFN_UP(size)))
+ gpadl->decrypted = false;
+ }
return ret;
}
@@ -850,6 +865,8 @@ int vmbus_teardown_gpadl(struct vmbus_channel *channel, struct vmbus_gpadl *gpad
if (ret)
pr_warn("Fail to set mem host visibility in GPADL teardown %d.\n", ret);
+ gpadl->decrypted = ret;
+
return ret;
}
EXPORT_SYMBOL_GPL(vmbus_teardown_gpadl);
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 6ef0557b4bff8..96ceb4095425e 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -832,6 +832,7 @@ struct vmbus_gpadl {
u32 gpadl_handle;
u32 size;
void *buffer;
+ bool decrypted;
};
struct vmbus_channel {
--
GitLab
From bbf9ac34677b57506a13682b31a2a718934c0e31 Mon Sep 17 00:00:00 2001
From: Rick Edgecombe <rick.p.edgecombe@intel.com>
Date: Mon, 11 Mar 2024 09:15:56 -0700
Subject: [PATCH 2409/2686] hv_netvsc: Don't free decrypted memory
In CoCo VMs it is possible for the untrusted host to cause
set_memory_encrypted() or set_memory_decrypted() to fail such that an
error is returned and the resulting memory is shared. Callers need to
take care to handle these errors to avoid returning decrypted (shared)
memory to the page allocator, which could lead to functional or security
issues.
The netvsc driver could free decrypted/shared pages if
set_memory_decrypted() fails. Check the decrypted field in the gpadl
to decide whether to free the memory.
Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Signed-off-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Link: https://lore.kernel.org/r/20240311161558.1310-4-mhklinux@outlook.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20240311161558.1310-4-mhklinux@outlook.com>
---
drivers/net/hyperv/netvsc.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index a6fcbda64ecc6..2b6ec979a62f2 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -154,8 +154,11 @@ static void free_netvsc_device(struct rcu_head *head)
int i;
kfree(nvdev->extension);
- vfree(nvdev->recv_buf);
- vfree(nvdev->send_buf);
+
+ if (!nvdev->recv_buf_gpadl_handle.decrypted)
+ vfree(nvdev->recv_buf);
+ if (!nvdev->send_buf_gpadl_handle.decrypted)
+ vfree(nvdev->send_buf);
bitmap_free(nvdev->send_section_map);
for (i = 0; i < VRSS_CHANNEL_MAX; i++) {
--
GitLab
From 3d788b2fbe6a1a1a9e3db09742b90809d51638b7 Mon Sep 17 00:00:00 2001
From: Rick Edgecombe <rick.p.edgecombe@intel.com>
Date: Mon, 11 Mar 2024 09:15:57 -0700
Subject: [PATCH 2410/2686] uio_hv_generic: Don't free decrypted memory
In CoCo VMs it is possible for the untrusted host to cause
set_memory_encrypted() or set_memory_decrypted() to fail such that an
error is returned and the resulting memory is shared. Callers need to
take care to handle these errors to avoid returning decrypted (shared)
memory to the page allocator, which could lead to functional or security
issues.
The VMBus device UIO driver could free decrypted/shared pages if
set_memory_decrypted() fails. Check the decrypted field in the gpadl
to decide whether to free the memory.
Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Signed-off-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Link: https://lore.kernel.org/r/20240311161558.1310-5-mhklinux@outlook.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20240311161558.1310-5-mhklinux@outlook.com>
---
drivers/uio/uio_hv_generic.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c
index 20d9762331bd7..6be3462b109ff 100644
--- a/drivers/uio/uio_hv_generic.c
+++ b/drivers/uio/uio_hv_generic.c
@@ -181,12 +181,14 @@ hv_uio_cleanup(struct hv_device *dev, struct hv_uio_private_data *pdata)
{
if (pdata->send_gpadl.gpadl_handle) {
vmbus_teardown_gpadl(dev->channel, &pdata->send_gpadl);
- vfree(pdata->send_buf);
+ if (!pdata->send_gpadl.decrypted)
+ vfree(pdata->send_buf);
}
if (pdata->recv_gpadl.gpadl_handle) {
vmbus_teardown_gpadl(dev->channel, &pdata->recv_gpadl);
- vfree(pdata->recv_buf);
+ if (!pdata->recv_gpadl.decrypted)
+ vfree(pdata->recv_buf);
}
}
@@ -295,7 +297,8 @@ hv_uio_probe(struct hv_device *dev,
ret = vmbus_establish_gpadl(channel, pdata->recv_buf,
RECV_BUFFER_SIZE, &pdata->recv_gpadl);
if (ret) {
- vfree(pdata->recv_buf);
+ if (!pdata->recv_gpadl.decrypted)
+ vfree(pdata->recv_buf);
goto fail_close;
}
@@ -317,7 +320,8 @@ hv_uio_probe(struct hv_device *dev,
ret = vmbus_establish_gpadl(channel, pdata->send_buf,
SEND_BUFFER_SIZE, &pdata->send_gpadl);
if (ret) {
- vfree(pdata->send_buf);
+ if (!pdata->send_gpadl.decrypted)
+ vfree(pdata->send_buf);
goto fail_close;
}
--
GitLab
From 30d18df6567be09c1433e81993e35e3da573ac48 Mon Sep 17 00:00:00 2001
From: Michael Kelley <mhklinux@outlook.com>
Date: Mon, 11 Mar 2024 09:15:58 -0700
Subject: [PATCH 2411/2686] Drivers: hv: vmbus: Don't free ring buffers that
couldn't be re-encrypted
In CoCo VMs it is possible for the untrusted host to cause
set_memory_encrypted() or set_memory_decrypted() to fail such that an
error is returned and the resulting memory is shared. Callers need to
take care to handle these errors to avoid returning decrypted (shared)
memory to the page allocator, which could lead to functional or security
issues.
The VMBus ring buffer code could free decrypted/shared pages if
set_memory_decrypted() fails. Check the decrypted field in the struct
vmbus_gpadl for the ring buffers to decide whether to free the memory.
Signed-off-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Link: https://lore.kernel.org/r/20240311161558.1310-6-mhklinux@outlook.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20240311161558.1310-6-mhklinux@outlook.com>
---
drivers/hv/channel.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 98259b4925029..fb8cd8469328e 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -153,7 +153,9 @@ void vmbus_free_ring(struct vmbus_channel *channel)
hv_ringbuffer_cleanup(&channel->inbound);
if (channel->ringbuffer_page) {
- __free_pages(channel->ringbuffer_page,
+ /* In a CoCo VM leak the memory if it didn't get re-encrypted */
+ if (!channel->ringbuffer_gpadlhandle.decrypted)
+ __free_pages(channel->ringbuffer_page,
get_order(channel->ringbuffer_pagecount
<< PAGE_SHIFT));
channel->ringbuffer_page = NULL;
--
GitLab
From a4833e3abae132d613ce7da0e0c9a9465d1681fa Mon Sep 17 00:00:00 2001
From: "Steven Rostedt (Google)" <rostedt@goodmis.org>
Date: Wed, 10 Apr 2024 12:38:13 -0400
Subject: [PATCH 2412/2686] SUNRPC: Fix rpcgss_context trace event acceptor
field
The rpcgss_context trace event acceptor field is a dynamically sized
string that records the "data" parameter. But this parameter is also
dependent on the "len" field to determine the size of the data.
It needs to use __string_len() helper macro where the length can be passed
in. It also incorrectly uses strncpy() to save it instead of
__assign_str(). As these macros can change, it is not wise to open code
them in trace events.
As of commit c759e609030c ("tracing: Remove __assign_str_len()"),
__assign_str() can be used for both __string() and __string_len() fields.
Before that commit, __assign_str_len() is required to be used. This needs
to be noted for backporting. (In actuality, commit c1fa617caeb0 ("tracing:
Rework __assign_str() and __string() to not duplicate getting the string")
is the commit that makes __string_str_len() obsolete).
Cc: stable@vger.kernel.org
Fixes: 0c77668ddb4e ("SUNRPC: Introduce trace points in rpc_auth_gss.ko")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
include/trace/events/rpcgss.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/trace/events/rpcgss.h b/include/trace/events/rpcgss.h
index ba2d96a1bc2f9..f50fcafc69de2 100644
--- a/include/trace/events/rpcgss.h
+++ b/include/trace/events/rpcgss.h
@@ -609,7 +609,7 @@ TRACE_EVENT(rpcgss_context,
__field(unsigned int, timeout)
__field(u32, window_size)
__field(int, len)
- __string(acceptor, data)
+ __string_len(acceptor, data, len)
),
TP_fast_assign(
@@ -618,7 +618,7 @@ TRACE_EVENT(rpcgss_context,
__entry->timeout = timeout;
__entry->window_size = window_size;
__entry->len = len;
- strncpy(__get_str(acceptor), data, len);
+ __assign_str(acceptor, data);
),
TP_printk("win_size=%u expiry=%lu now=%lu timeout=%u acceptor=%.*s",
--
GitLab
From ec4535b2a1d709d3a1fbec26739c672f13c98a7b Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Mon, 8 Apr 2024 18:32:17 -0300
Subject: [PATCH 2413/2686] smb: client: fix NULL ptr deref in
cifs_mark_open_handles_for_deleted_file()
cifs_get_fattr() may be called with a NULL inode, so check for a
non-NULL inode before calling
cifs_mark_open_handles_for_deleted_file().
This fixes the following oops:
mount.cifs //srv/share /mnt -o ...,vers=3.1.1
cd /mnt
touch foo; tail -f foo &
rm foo
cat foo
BUG: kernel NULL pointer dereference, address: 00000000000005c0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 2 PID: 696 Comm: cat Not tainted 6.9.0-rc2 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS
1.16.3-1.fc39 04/01/2014
RIP: 0010:__lock_acquire+0x5d/0x1c70
Code: 00 00 44 8b a4 24 a0 00 00 00 45 85 f6 0f 84 bb 06 00 00 8b 2d
48 e2 95 01 45 89 c3 41 89 d2 45 89 c8 85 ed 0 0 <48> 81 3f 40 7a 76
83 44 0f 44 d8 83 fe 01 0f 86 1b 03 00 00 31 d2
RSP: 0018:ffffc90000b37490 EFLAGS: 00010002
RAX: 0000000000000000 RBX: ffff888110021ec0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000005c0
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000200
FS: 00007f2a1fa08740(0000) GS:ffff888157a00000(0000)
knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
CR2: 00000000000005c0 CR3: 000000011ac7c000 CR4: 0000000000750ef0
PKRU: 55555554
Call Trace:
<TASK>
? __die+0x23/0x70
? page_fault_oops+0x180/0x490
? srso_alias_return_thunk+0x5/0xfbef5
? exc_page_fault+0x70/0x230
? asm_exc_page_fault+0x26/0x30
? __lock_acquire+0x5d/0x1c70
? srso_alias_return_thunk+0x5/0xfbef5
? srso_alias_return_thunk+0x5/0xfbef5
lock_acquire+0xc0/0x2d0
? cifs_mark_open_handles_for_deleted_file+0x3a/0x100 [cifs]
? srso_alias_return_thunk+0x5/0xfbef5
? kmem_cache_alloc+0x2d9/0x370
_raw_spin_lock+0x34/0x80
? cifs_mark_open_handles_for_deleted_file+0x3a/0x100 [cifs]
cifs_mark_open_handles_for_deleted_file+0x3a/0x100 [cifs]
cifs_get_fattr+0x24c/0x940 [cifs]
? srso_alias_return_thunk+0x5/0xfbef5
cifs_get_inode_info+0x96/0x120 [cifs]
cifs_lookup+0x16e/0x800 [cifs]
cifs_atomic_open+0xc7/0x5d0 [cifs]
? lookup_open.isra.0+0x3ce/0x5f0
? __pfx_cifs_atomic_open+0x10/0x10 [cifs]
lookup_open.isra.0+0x3ce/0x5f0
path_openat+0x42b/0xc30
? srso_alias_return_thunk+0x5/0xfbef5
? srso_alias_return_thunk+0x5/0xfbef5
? srso_alias_return_thunk+0x5/0xfbef5
do_filp_open+0xc4/0x170
do_sys_openat2+0xab/0xe0
__x64_sys_openat+0x57/0xa0
do_syscall_64+0xc1/0x1e0
entry_SYSCALL_64_after_hwframe+0x72/0x7a
Fixes: ffceb7640cbf ("smb: client: do not defer close open handles to deleted files")
Reviewed-by: Meetakshi Setiya <msetiya@microsoft.com>
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/inode.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c
index 91b07ef9e25ca..60afab5c83d41 100644
--- a/fs/smb/client/inode.c
+++ b/fs/smb/client/inode.c
@@ -1105,7 +1105,8 @@ static int cifs_get_fattr(struct cifs_open_info_data *data,
} else {
cifs_open_info_to_fattr(fattr, data, sb);
}
- if (!rc && fattr->cf_flags & CIFS_FATTR_DELETE_PENDING)
+ if (!rc && *inode &&
+ (fattr->cf_flags & CIFS_FATTR_DELETE_PENDING))
cifs_mark_open_handles_for_deleted_file(*inode, full_path);
break;
case -EREMOTE:
--
GitLab
From 06dfcd4098cfdc4d4577d94793a4f9125386da8b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= <arinc.unal@arinc9.com>
Date: Mon, 8 Apr 2024 10:08:53 +0300
Subject: [PATCH 2414/2686] net: dsa: mt7530: fix enabling EEE on MT7531 switch
on all boards
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The commit 40b5d2f15c09 ("net: dsa: mt7530: Add support for EEE features")
brought EEE support but did not enable EEE on MT7531 switch MACs. EEE is
enabled on MT7531 switch MACs by pulling the LAN2LED0 pin low on the board
(bootstrapping), unsetting the EEE_DIS bit on the trap register, or setting
the internal EEE switch bit on the CORE_PLL_GROUP4 register. Thanks to
SkyLake Huang (黃啟澤) from MediaTek for providing information on the
internal EEE switch bit.
There are existing boards that were not designed to pull the pin low.
Because of that, the EEE status currently depends on the board design.
The EEE_DIS bit on the trap pertains to the LAN2LED0 pin which is usually
used to control an LED. Once the bit is unset, the pin will be low. That
will make the active low LED turn on. The pin is controlled by the switch
PHY. It seems that the PHY controls the pin in the way that it inverts the
pin state. That means depending on the wiring of the LED connected to
LAN2LED0 on the board, the LED may be on without an active link.
To not cause this unwanted behaviour whilst enabling EEE on all boards, set
the internal EEE switch bit on the CORE_PLL_GROUP4 register.
My testing on MT7531 shows a certain amount of traffic loss when EEE is
enabled. That said, I haven't come across a board that enables EEE. So
enable EEE on the switch MACs but disable EEE advertisement on the switch
PHYs. This way, we don't change the behaviour of the majority of the boards
that have this switch. The mediatek-ge PHY driver already disables EEE
advertisement on the switch PHYs but my testing shows that it is somehow
enabled afterwards. Disabling EEE advertisement before the PHY driver
initialises keeps it off.
With this change, EEE can now be enabled using ethtool.
Fixes: 40b5d2f15c09 ("net: dsa: mt7530: Add support for EEE features")
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Link: https://lore.kernel.org/r/20240408-for-net-mt7530-fix-eee-for-mt7531-mt7988-v3-1-84fdef1f008b@arinc9.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/dsa/mt7530.c | 17 ++++++++++++-----
drivers/net/dsa/mt7530.h | 1 +
2 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 1035820c2377a..451ff0620c2e1 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2505,18 +2505,25 @@ mt7531_setup(struct dsa_switch *ds)
mt7530_rmw(priv, MT7531_GPIO_MODE0, MT7531_GPIO0_MASK,
MT7531_GPIO0_INTERRUPT);
- /* Enable PHY core PLL, since phy_device has not yet been created
- * provided for phy_[read,write]_mmd_indirect is called, we provide
- * our own mt7531_ind_mmd_phy_[read,write] to complete this
- * function.
+ /* Enable Energy-Efficient Ethernet (EEE) and PHY core PLL, since
+ * phy_device has not yet been created provided for
+ * phy_[read,write]_mmd_indirect is called, we provide our own
+ * mt7531_ind_mmd_phy_[read,write] to complete this function.
*/
val = mt7531_ind_c45_phy_read(priv, MT753X_CTRL_PHY_ADDR,
MDIO_MMD_VEND2, CORE_PLL_GROUP4);
- val |= MT7531_PHY_PLL_BYPASS_MODE;
+ val |= MT7531_RG_SYSPLL_DMY2 | MT7531_PHY_PLL_BYPASS_MODE;
val &= ~MT7531_PHY_PLL_OFF;
mt7531_ind_c45_phy_write(priv, MT753X_CTRL_PHY_ADDR, MDIO_MMD_VEND2,
CORE_PLL_GROUP4, val);
+ /* Disable EEE advertisement on the switch PHYs. */
+ for (i = MT753X_CTRL_PHY_ADDR;
+ i < MT753X_CTRL_PHY_ADDR + MT7530_NUM_PHYS; i++) {
+ mt7531_ind_c45_phy_write(priv, i, MDIO_MMD_AN, MDIO_AN_EEE_ADV,
+ 0);
+ }
+
mt7531_setup_common(ds);
/* Setup VLAN ID 0 for VLAN-unaware bridges */
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index d17b318e6ee48..9439db4950015 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -616,6 +616,7 @@ enum mt7531_clk_skew {
#define RG_SYSPLL_DDSFBK_EN BIT(12)
#define RG_SYSPLL_BIAS_EN BIT(11)
#define RG_SYSPLL_BIAS_LPF_EN BIT(10)
+#define MT7531_RG_SYSPLL_DMY2 BIT(6)
#define MT7531_PHY_PLL_OFF BIT(5)
#define MT7531_PHY_PLL_BYPASS_MODE BIT(4)
--
GitLab
From 5e700b384ec13f5bcac9855cb28fcc674f1d3593 Mon Sep 17 00:00:00 2001
From: Noah Loomans <noah@noahloomans.com>
Date: Wed, 10 Apr 2024 20:26:19 +0200
Subject: [PATCH 2415/2686] platform/chrome: cros_ec_uart: properly fix race
condition
The cros_ec_uart_probe() function calls devm_serdev_device_open() before
it calls serdev_device_set_client_ops(). This can trigger a NULL pointer
dereference:
BUG: kernel NULL pointer dereference, address: 0000000000000000
...
Call Trace:
<TASK>
...
? ttyport_receive_buf
A simplified version of crashing code is as follows:
static inline size_t serdev_controller_receive_buf(struct serdev_controller *ctrl,
const u8 *data,
size_t count)
{
struct serdev_device *serdev = ctrl->serdev;
if (!serdev || !serdev->ops->receive_buf) // CRASH!
return 0;
return serdev->ops->receive_buf(serdev, data, count);
}
It assumes that if SERPORT_ACTIVE is set and serdev exists, serdev->ops
will also exist. This conflicts with the existing cros_ec_uart_probe()
logic, as it first calls devm_serdev_device_open() (which sets
SERPORT_ACTIVE), and only later sets serdev->ops via
serdev_device_set_client_ops().
Commit 01f95d42b8f4 ("platform/chrome: cros_ec_uart: fix race
condition") attempted to fix a similar race condition, but while doing
so, made the window of error for this race condition to happen much
wider.
Attempt to fix the race condition again, making sure we fully setup
before calling devm_serdev_device_open().
Fixes: 01f95d42b8f4 ("platform/chrome: cros_ec_uart: fix race condition")
Cc: stable@vger.kernel.org
Signed-off-by: Noah Loomans <noah@noahloomans.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20240410182618.169042-2-noah@noahloomans.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
---
drivers/platform/chrome/cros_ec_uart.c | 28 +++++++++++++-------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/platform/chrome/cros_ec_uart.c b/drivers/platform/chrome/cros_ec_uart.c
index 68d80559fddc2..eb5eddeb73f72 100644
--- a/drivers/platform/chrome/cros_ec_uart.c
+++ b/drivers/platform/chrome/cros_ec_uart.c
@@ -263,12 +263,6 @@ static int cros_ec_uart_probe(struct serdev_device *serdev)
if (!ec_dev)
return -ENOMEM;
- ret = devm_serdev_device_open(dev, serdev);
- if (ret) {
- dev_err(dev, "Unable to open UART device");
- return ret;
- }
-
serdev_device_set_drvdata(serdev, ec_dev);
init_waitqueue_head(&ec_uart->response.wait_queue);
@@ -280,14 +274,6 @@ static int cros_ec_uart_probe(struct serdev_device *serdev)
return ret;
}
- ret = serdev_device_set_baudrate(serdev, ec_uart->baudrate);
- if (ret < 0) {
- dev_err(dev, "Failed to set up host baud rate (%d)", ret);
- return ret;
- }
-
- serdev_device_set_flow_control(serdev, ec_uart->flowcontrol);
-
/* Initialize ec_dev for cros_ec */
ec_dev->phys_name = dev_name(dev);
ec_dev->dev = dev;
@@ -301,6 +287,20 @@ static int cros_ec_uart_probe(struct serdev_device *serdev)
serdev_device_set_client_ops(serdev, &cros_ec_uart_client_ops);
+ ret = devm_serdev_device_open(dev, serdev);
+ if (ret) {
+ dev_err(dev, "Unable to open UART device");
+ return ret;
+ }
+
+ ret = serdev_device_set_baudrate(serdev, ec_uart->baudrate);
+ if (ret < 0) {
+ dev_err(dev, "Failed to set up host baud rate (%d)", ret);
+ return ret;
+ }
+
+ serdev_device_set_flow_control(serdev, ec_uart->flowcontrol);
+
return cros_ec_register(ec_dev);
}
--
GitLab
From 97e176fcbbf3c0f2bd410c9b241177c051f57176 Mon Sep 17 00:00:00 2001
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Wed, 10 Apr 2024 15:11:28 +0200
Subject: [PATCH 2416/2686] r8169: add missing conditional compiling for call
to r8169_remove_leds
Add missing dependency on CONFIG_R8169_LEDS. As-is a link error occurs
if config option CONFIG_R8169_LEDS isn't enabled.
Fixes: 19fa4f2a85d7 ("r8169: fix LED-related deadlock on module removal")
Reported-by: Venkat Rao Bagalkote <venkat88@linux.vnet.ibm.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Tested-By: Venkat Rao Bagalkote <venkat88@linux.vnet.ibm.com>
Link: https://lore.kernel.org/r/d080038c-eb6b-45ac-9237-b8c1cdd7870f@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/realtek/r8169_main.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 8a27328eae34b..0fc5fe564ae50 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -5046,7 +5046,8 @@ static void rtl_remove_one(struct pci_dev *pdev)
cancel_work_sync(&tp->wk.work);
- r8169_remove_leds(tp->leds);
+ if (IS_ENABLED(CONFIG_R8169_LEDS))
+ r8169_remove_leds(tp->leds);
unregister_netdev(tp->dev);
--
GitLab
From beccf29114886f1604e26f739cd108f048878ca8 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Wed, 10 Apr 2024 12:53:28 -0400
Subject: [PATCH 2417/2686] bcachefs: Fix a race in
btree_update_nodes_written()
One btree update might have terminated in a node update, and then while
it is in flight another btree update might free that original node.
This race has to be handled in btree_update_nodes_written() - we were
missing a READ_ONCE().
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_update_interior.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index a4a63e363047d..c4a5e83a56a43 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -704,9 +704,13 @@ static void btree_update_nodes_written(struct btree_update *as)
bch2_fs_fatal_err_on(ret && !bch2_journal_error(&c->journal), c,
"%s", bch2_err_str(ret));
err:
- if (as->b) {
-
- b = as->b;
+ /*
+ * We have to be careful because another thread might be getting ready
+ * to free as->b and calling btree_update_reparent() on us - we'll
+ * recheck under btree_update_lock below:
+ */
+ b = READ_ONCE(as->b);
+ if (b) {
btree_path_idx_t path_idx = get_unlocked_mut_path(trans,
as->btree_id, b->c.level, b->key.k.p);
struct btree_path *path = trans->paths + path_idx;
--
GitLab
From 517236cb3e2f77bc785f06802dfbcca19dffd9ad Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Wed, 10 Apr 2024 00:10:18 -0400
Subject: [PATCH 2418/2686] bcachefs: Kill read lock dropping in
bch2_btree_node_lock_write_nofail()
dropping read locks in bch2_btree_node_lock_write_nofail() dates from
before we had the cycle detector; we can now tell the cycle detector
directly when taking a lock may not fail because we can't handle
transaction restarts.
This is needed for adding should_be_locked asserts.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_locking.c | 28 +---------------------------
1 file changed, 1 insertion(+), 27 deletions(-)
diff --git a/fs/bcachefs/btree_locking.c b/fs/bcachefs/btree_locking.c
index b9b151e693ed6..f2caf491957ef 100644
--- a/fs/bcachefs/btree_locking.c
+++ b/fs/bcachefs/btree_locking.c
@@ -440,33 +440,7 @@ void bch2_btree_node_lock_write_nofail(struct btree_trans *trans,
struct btree_path *path,
struct btree_bkey_cached_common *b)
{
- struct btree_path *linked;
- unsigned i, iter;
- int ret;
-
- /*
- * XXX BIG FAT NOTICE
- *
- * Drop all read locks before taking a write lock:
- *
- * This is a hack, because bch2_btree_node_lock_write_nofail() is a
- * hack - but by dropping read locks first, this should never fail, and
- * we only use this in code paths where whatever read locks we've
- * already taken are no longer needed:
- */
-
- trans_for_each_path(trans, linked, iter) {
- if (!linked->nodes_locked)
- continue;
-
- for (i = 0; i < BTREE_MAX_DEPTH; i++)
- if (btree_node_read_locked(linked, i)) {
- btree_node_unlock(trans, linked, i);
- btree_path_set_dirty(linked, BTREE_ITER_NEED_RELOCK);
- }
- }
-
- ret = __btree_node_lock_write(trans, path, b, true);
+ int ret = __btree_node_lock_write(trans, path, b, true);
BUG_ON(ret);
}
--
GitLab
From 1189bdda6c991cbf9342d84410042dd5f3a792e0 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Wed, 10 Apr 2024 01:30:22 -0400
Subject: [PATCH 2419/2686] bcachefs: Fix
__bch2_btree_and_journal_iter_init_node_iter()
We weren't respecting trans->journal_replay_not_finished - we shouldn't
be searching the journal keys unless we have a ref on them.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_journal_iter.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/fs/bcachefs/btree_journal_iter.c b/fs/bcachefs/btree_journal_iter.c
index a6413a8747d3c..1e8cf49a69353 100644
--- a/fs/bcachefs/btree_journal_iter.c
+++ b/fs/bcachefs/btree_journal_iter.c
@@ -469,10 +469,15 @@ void __bch2_btree_and_journal_iter_init_node_iter(struct btree_trans *trans,
iter->trans = trans;
iter->b = b;
iter->node_iter = node_iter;
- bch2_journal_iter_init(trans->c, &iter->journal, b->c.btree_id, b->c.level, pos);
- INIT_LIST_HEAD(&iter->journal.list);
iter->pos = b->data->min_key;
iter->at_end = false;
+ INIT_LIST_HEAD(&iter->journal.list);
+
+ if (trans->journal_replay_not_finished) {
+ bch2_journal_iter_init(trans->c, &iter->journal, b->c.btree_id, b->c.level, pos);
+ if (!test_bit(BCH_FS_may_go_rw, &trans->c->flags))
+ list_add(&iter->journal.list, &trans->c->journal_iters);
+ }
}
/*
@@ -487,9 +492,6 @@ void bch2_btree_and_journal_iter_init_node_iter(struct btree_trans *trans,
bch2_btree_node_iter_init_from_start(&node_iter, b);
__bch2_btree_and_journal_iter_init_node_iter(trans, iter, b, node_iter, b->data->min_key);
- if (trans->journal_replay_not_finished &&
- !test_bit(BCH_FS_may_go_rw, &trans->c->flags))
- list_add(&iter->journal.list, &trans->c->journal_iters);
}
/* sort and dedup all keys in the journal: */
--
GitLab
From 65acf6e0501ac8880a4f73980d01b5d27648b956 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Tue, 9 Apr 2024 12:07:41 +0000
Subject: [PATCH 2420/2686] netfilter: complete validation of user input
In my recent commit, I missed that do_replace() handlers
use copy_from_sockptr() (which I fixed), followed
by unsafe copy_from_sockptr_offset() calls.
In all functions, we can perform the @optlen validation
before even calling xt_alloc_table_info() with the following
check:
if ((u64)optlen < (u64)tmp.size + sizeof(tmp))
return -EINVAL;
Fixes: 0c83842df40f ("netfilter: validate user input for expected length")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Pablo Neira Ayuso <pablo@netfilter.org>
Link: https://lore.kernel.org/r/20240409120741.3538135-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/ipv4/netfilter/arp_tables.c | 4 ++++
net/ipv4/netfilter/ip_tables.c | 4 ++++
net/ipv6/netfilter/ip6_tables.c | 4 ++++
3 files changed, 12 insertions(+)
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index b150c9929b12e..14365b20f1c5c 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -966,6 +966,8 @@ static int do_replace(struct net *net, sockptr_t arg, unsigned int len)
return -ENOMEM;
if (tmp.num_counters == 0)
return -EINVAL;
+ if ((u64)len < (u64)tmp.size + sizeof(tmp))
+ return -EINVAL;
tmp.name[sizeof(tmp.name)-1] = 0;
@@ -1266,6 +1268,8 @@ static int compat_do_replace(struct net *net, sockptr_t arg, unsigned int len)
return -ENOMEM;
if (tmp.num_counters == 0)
return -EINVAL;
+ if ((u64)len < (u64)tmp.size + sizeof(tmp))
+ return -EINVAL;
tmp.name[sizeof(tmp.name)-1] = 0;
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 4876707595781..fe89a056eb06c 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -1118,6 +1118,8 @@ do_replace(struct net *net, sockptr_t arg, unsigned int len)
return -ENOMEM;
if (tmp.num_counters == 0)
return -EINVAL;
+ if ((u64)len < (u64)tmp.size + sizeof(tmp))
+ return -EINVAL;
tmp.name[sizeof(tmp.name)-1] = 0;
@@ -1504,6 +1506,8 @@ compat_do_replace(struct net *net, sockptr_t arg, unsigned int len)
return -ENOMEM;
if (tmp.num_counters == 0)
return -EINVAL;
+ if ((u64)len < (u64)tmp.size + sizeof(tmp))
+ return -EINVAL;
tmp.name[sizeof(tmp.name)-1] = 0;
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 636b360311c53..131f7bb2110d3 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1135,6 +1135,8 @@ do_replace(struct net *net, sockptr_t arg, unsigned int len)
return -ENOMEM;
if (tmp.num_counters == 0)
return -EINVAL;
+ if ((u64)len < (u64)tmp.size + sizeof(tmp))
+ return -EINVAL;
tmp.name[sizeof(tmp.name)-1] = 0;
@@ -1513,6 +1515,8 @@ compat_do_replace(struct net *net, sockptr_t arg, unsigned int len)
return -ENOMEM;
if (tmp.num_counters == 0)
return -EINVAL;
+ if ((u64)len < (u64)tmp.size + sizeof(tmp))
+ return -EINVAL;
tmp.name[sizeof(tmp.name)-1] = 0;
--
GitLab
From 0553e753ea9ee724acaf6b3dfc7354702af83567 Mon Sep 17 00:00:00 2001
From: Shay Drory <shayd@nvidia.com>
Date: Tue, 9 Apr 2024 22:08:09 +0300
Subject: [PATCH 2421/2686] net/mlx5: E-switch, store eswitch pointer before
registering devlink_param
Next patch will move devlink register to be first. Therefore, whenever
mlx5 will register a param, the user will be notified.
In order to notify the user, devlink is using the get() callback of
the param. Hence, resources that are being used by the get() callback
must be set before the devlink param is registered.
Therefore, store eswitch pointer inside mdev before registering the
param.
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240409190820.227554-2-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 9 +++------
.../net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 4 ++++
2 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 3047d7015c525..1789800faaeb6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1868,6 +1868,7 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
if (err)
goto abort;
+ dev->priv.eswitch = esw;
err = esw_offloads_init(esw);
if (err)
goto reps_err;
@@ -1892,11 +1893,6 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_BASIC;
else
esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE;
- if (MLX5_ESWITCH_MANAGER(dev) &&
- mlx5_esw_vport_match_metadata_supported(esw))
- esw->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA;
-
- dev->priv.eswitch = esw;
BLOCKING_INIT_NOTIFIER_HEAD(&esw->n_head);
esw_info(dev,
@@ -1908,6 +1904,7 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
reps_err:
mlx5_esw_vports_cleanup(esw);
+ dev->priv.eswitch = NULL;
abort:
if (esw->work_queue)
destroy_workqueue(esw->work_queue);
@@ -1926,7 +1923,6 @@ void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw)
esw_info(esw->dev, "cleanup\n");
- esw->dev->priv.eswitch = NULL;
destroy_workqueue(esw->work_queue);
WARN_ON(refcount_read(&esw->qos.refcnt));
mutex_destroy(&esw->state_lock);
@@ -1937,6 +1933,7 @@ void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw)
mutex_destroy(&esw->offloads.encap_tbl_lock);
mutex_destroy(&esw->offloads.decap_tbl_lock);
esw_offloads_cleanup(esw);
+ esw->dev->priv.eswitch = NULL;
mlx5_esw_vports_cleanup(esw);
debugfs_remove_recursive(esw->debugfs_root);
devl_params_unregister(priv_to_devlink(esw->dev), mlx5_eswitch_params,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index baaae628b0a0f..e3cce110e52fd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -2476,6 +2476,10 @@ int esw_offloads_init(struct mlx5_eswitch *esw)
if (err)
return err;
+ if (MLX5_ESWITCH_MANAGER(esw->dev) &&
+ mlx5_esw_vport_match_metadata_supported(esw))
+ esw->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA;
+
err = devl_params_register(priv_to_devlink(esw->dev),
esw_devlink_params,
ARRAY_SIZE(esw_devlink_params));
--
GitLab
From c6e77aa9dd82bc18a89bf49418f8f7e961cfccc8 Mon Sep 17 00:00:00 2001
From: Shay Drory <shayd@nvidia.com>
Date: Tue, 9 Apr 2024 22:08:10 +0300
Subject: [PATCH 2422/2686] net/mlx5: Register devlink first under devlink lock
In case device is having a non fatal FW error during probe, the
driver will report the error to user via devlink. This will trigger
a WARN_ON, since mlx5 is calling devlink_register() last.
In order to avoid the WARN_ON[1], change mlx5 to invoke devl_register()
first under devlink lock.
[1]
WARNING: CPU: 5 PID: 227 at net/devlink/health.c:483 devlink_recover_notify.constprop.0+0xb8/0xc0
CPU: 5 PID: 227 Comm: kworker/u16:3 Not tainted 6.4.0-rc5_for_upstream_min_debug_2023_06_12_12_38 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
Workqueue: mlx5_health0000:08:00.0 mlx5_fw_reporter_err_work [mlx5_core]
RIP: 0010:devlink_recover_notify.constprop.0+0xb8/0xc0
Call Trace:
<TASK>
? __warn+0x79/0x120
? devlink_recover_notify.constprop.0+0xb8/0xc0
? report_bug+0x17c/0x190
? handle_bug+0x3c/0x60
? exc_invalid_op+0x14/0x70
? asm_exc_invalid_op+0x16/0x20
? devlink_recover_notify.constprop.0+0xb8/0xc0
devlink_health_report+0x4a/0x1c0
mlx5_fw_reporter_err_work+0xa4/0xd0 [mlx5_core]
process_one_work+0x1bb/0x3c0
? process_one_work+0x3c0/0x3c0
worker_thread+0x4d/0x3c0
? process_one_work+0x3c0/0x3c0
kthread+0xc6/0xf0
? kthread_complete_and_exit+0x20/0x20
ret_from_fork+0x1f/0x30
</TASK>
Fixes: cf530217408e ("devlink: Notify users when objects are accessible")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240409190820.227554-3-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../net/ethernet/mellanox/mlx5/core/main.c | 37 ++++++++++---------
.../mellanox/mlx5/core/sf/dev/driver.c | 1 -
2 files changed, 20 insertions(+), 18 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index c2593625c09ad..59806553889e9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1480,6 +1480,14 @@ int mlx5_init_one_devl_locked(struct mlx5_core_dev *dev)
if (err)
goto err_register;
+ err = mlx5_crdump_enable(dev);
+ if (err)
+ mlx5_core_err(dev, "mlx5_crdump_enable failed with error code %d\n", err);
+
+ err = mlx5_hwmon_dev_register(dev);
+ if (err)
+ mlx5_core_err(dev, "mlx5_hwmon_dev_register failed with error code %d\n", err);
+
mutex_unlock(&dev->intf_state_mutex);
return 0;
@@ -1505,7 +1513,10 @@ int mlx5_init_one(struct mlx5_core_dev *dev)
int err;
devl_lock(devlink);
+ devl_register(devlink);
err = mlx5_init_one_devl_locked(dev);
+ if (err)
+ devl_unregister(devlink);
devl_unlock(devlink);
return err;
}
@@ -1517,6 +1528,8 @@ void mlx5_uninit_one(struct mlx5_core_dev *dev)
devl_lock(devlink);
mutex_lock(&dev->intf_state_mutex);
+ mlx5_hwmon_dev_unregister(dev);
+ mlx5_crdump_disable(dev);
mlx5_unregister_device(dev);
if (!test_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state)) {
@@ -1534,6 +1547,7 @@ void mlx5_uninit_one(struct mlx5_core_dev *dev)
mlx5_function_teardown(dev, true);
out:
mutex_unlock(&dev->intf_state_mutex);
+ devl_unregister(devlink);
devl_unlock(devlink);
}
@@ -1680,16 +1694,20 @@ int mlx5_init_one_light(struct mlx5_core_dev *dev)
}
devl_lock(devlink);
+ devl_register(devlink);
+
err = mlx5_devlink_params_register(priv_to_devlink(dev));
- devl_unlock(devlink);
if (err) {
mlx5_core_warn(dev, "mlx5_devlink_param_reg err = %d\n", err);
goto query_hca_caps_err;
}
+ devl_unlock(devlink);
return 0;
query_hca_caps_err:
+ devl_unregister(devlink);
+ devl_unlock(devlink);
mlx5_function_disable(dev, true);
out:
dev->state = MLX5_DEVICE_STATE_INTERNAL_ERROR;
@@ -1702,6 +1720,7 @@ void mlx5_uninit_one_light(struct mlx5_core_dev *dev)
devl_lock(devlink);
mlx5_devlink_params_unregister(priv_to_devlink(dev));
+ devl_unregister(devlink);
devl_unlock(devlink);
if (dev->state != MLX5_DEVICE_STATE_UP)
return;
@@ -1943,16 +1962,7 @@ static int probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
goto err_init_one;
}
- err = mlx5_crdump_enable(dev);
- if (err)
- dev_err(&pdev->dev, "mlx5_crdump_enable failed with error code %d\n", err);
-
- err = mlx5_hwmon_dev_register(dev);
- if (err)
- mlx5_core_err(dev, "mlx5_hwmon_dev_register failed with error code %d\n", err);
-
pci_save_state(pdev);
- devlink_register(devlink);
return 0;
err_init_one:
@@ -1973,16 +1983,9 @@ static void remove_one(struct pci_dev *pdev)
struct devlink *devlink = priv_to_devlink(dev);
set_bit(MLX5_BREAK_FW_WAIT, &dev->intf_state);
- /* mlx5_drain_fw_reset() and mlx5_drain_health_wq() are using
- * devlink notify APIs.
- * Hence, we must drain them before unregistering the devlink.
- */
mlx5_drain_fw_reset(dev);
mlx5_drain_health_wq(dev);
- devlink_unregister(devlink);
mlx5_sriov_disable(pdev, false);
- mlx5_hwmon_dev_unregister(dev);
- mlx5_crdump_disable(dev);
mlx5_uninit_one(dev);
mlx5_pci_close(dev);
mlx5_mdev_uninit(dev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c
index bc863e1f062e6..e3bf8c7e4baa6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c
@@ -101,7 +101,6 @@ static void mlx5_sf_dev_remove(struct auxiliary_device *adev)
devlink = priv_to_devlink(mdev);
set_bit(MLX5_BREAK_FW_WAIT, &mdev->intf_state);
mlx5_drain_health_wq(mdev);
- devlink_unregister(devlink);
if (mlx5_dev_is_lightweight(mdev))
mlx5_uninit_one_light(mdev);
else
--
GitLab
From 9f7e8fbb91f8fa29548e2f6ab50c03b628c67ede Mon Sep 17 00:00:00 2001
From: Michael Liang <mliang@purestorage.com>
Date: Tue, 9 Apr 2024 22:08:11 +0300
Subject: [PATCH 2423/2686] net/mlx5: offset comp irq index in name by one
The mlx5 comp irq name scheme is changed a little bit between
commit 3663ad34bc70 ("net/mlx5: Shift control IRQ to the last index")
and commit 3354822cde5a ("net/mlx5: Use dynamic msix vectors allocation").
The index in the comp irq name used to start from 0 but now it starts
from 1. There is nothing critical here, but it's harmless to change
back to the old behavior, a.k.a starting from 0.
Fixes: 3354822cde5a ("net/mlx5: Use dynamic msix vectors allocation")
Reviewed-by: Mohamed Khalfella <mkhalfella@purestorage.com>
Reviewed-by: Yuanyuan Zhong <yzhong@purestorage.com>
Signed-off-by: Michael Liang <mliang@purestorage.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240409190820.227554-4-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
index 4dcf995cb1a20..6bac8ad70ba60 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
@@ -19,6 +19,7 @@
#define MLX5_IRQ_CTRL_SF_MAX 8
/* min num of vectors for SFs to be enabled */
#define MLX5_IRQ_VEC_COMP_BASE_SF 2
+#define MLX5_IRQ_VEC_COMP_BASE 1
#define MLX5_EQ_SHARE_IRQ_MAX_COMP (8)
#define MLX5_EQ_SHARE_IRQ_MAX_CTRL (UINT_MAX)
@@ -246,6 +247,7 @@ static void irq_set_name(struct mlx5_irq_pool *pool, char *name, int vecidx)
return;
}
+ vecidx -= MLX5_IRQ_VEC_COMP_BASE;
snprintf(name, MLX5_MAX_IRQ_NAME, "mlx5_comp%d", vecidx);
}
@@ -585,7 +587,7 @@ struct mlx5_irq *mlx5_irq_request_vector(struct mlx5_core_dev *dev, u16 cpu,
struct mlx5_irq_table *table = mlx5_irq_table_get(dev);
struct mlx5_irq_pool *pool = table->pcif_pool;
struct irq_affinity_desc af_desc;
- int offset = 1;
+ int offset = MLX5_IRQ_VEC_COMP_BASE;
if (!pool->xa_num_irqs.max)
offset = 0;
--
GitLab
From 7c6782ad4911cbee874e85630226ed389ff2e453 Mon Sep 17 00:00:00 2001
From: Cosmin Ratiu <cratiu@nvidia.com>
Date: Tue, 9 Apr 2024 22:08:12 +0300
Subject: [PATCH 2424/2686] net/mlx5: Properly link new fs rules into the tree
Previously, add_rule_fg would only add newly created rules from the
handle into the tree when they had a refcount of 1. On the other hand,
create_flow_handle tries hard to find and reference already existing
identical rules instead of creating new ones.
These two behaviors can result in a situation where create_flow_handle
1) creates a new rule and references it, then
2) in a subsequent step during the same handle creation references it
again,
resulting in a rule with a refcount of 2 that is not linked into the
tree, will have a NULL parent and root and will result in a crash when
the flow group is deleted because del_sw_hw_rule, invoked on rule
deletion, assumes node->parent is != NULL.
This happened in the wild, due to another bug related to incorrect
handling of duplicate pkt_reformat ids, which lead to the code in
create_flow_handle incorrectly referencing a just-added rule in the same
flow handle, resulting in the problem described above. Full details are
at [1].
This patch changes add_rule_fg to add new rules without parents into
the tree, properly initializing them and avoiding the crash. This makes
it more consistent with how rules are added to an FTE in
create_flow_handle.
Fixes: 74491de93712 ("net/mlx5: Add multi dest support")
Link: https://lore.kernel.org/netdev/ea5264d6-6b55-4449-a602-214c6f509c1e@163.com/T/#u [1]
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240409190820.227554-5-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index e6bfa7e4f146c..2a9421342a503 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -1808,8 +1808,9 @@ static struct mlx5_flow_handle *add_rule_fg(struct mlx5_flow_group *fg,
}
trace_mlx5_fs_set_fte(fte, false);
+ /* Link newly added rules into the tree. */
for (i = 0; i < handle->num_rules; i++) {
- if (refcount_read(&handle->rule[i]->node.refcount) == 1) {
+ if (!handle->rule[i]->node.parent) {
tree_add_node(&handle->rule[i]->node, &fte->node);
trace_mlx5_fs_add_rule(handle->rule[i]);
}
--
GitLab
From 9eca93f4d5ab03905516a68683674d9c50ff95bd Mon Sep 17 00:00:00 2001
From: Cosmin Ratiu <cratiu@nvidia.com>
Date: Tue, 9 Apr 2024 22:08:13 +0300
Subject: [PATCH 2425/2686] net/mlx5: Correctly compare pkt reformat ids
struct mlx5_pkt_reformat contains a naked union of a u32 id and a
dr_action pointer which is used when the action is SW-managed (when
pkt_reformat.owner is set to MLX5_FLOW_RESOURCE_OWNER_SW). Using id
directly in that case is incorrect, as it maps to the least significant
32 bits of the 64-bit pointer in mlx5_fs_dr_action and not to the pkt
reformat id allocated in firmware.
For the purpose of comparing whether two rules are identical,
interpreting the least significant 32 bits of the mlx5_fs_dr_action
pointer as an id mostly works... until it breaks horribly and produces
the outcome described in [1].
This patch fixes mlx5_flow_dests_cmp to correctly compare ids using
mlx5_fs_dr_action_get_pkt_reformat_id for the SW-managed rules.
Link: https://lore.kernel.org/netdev/ea5264d6-6b55-4449-a602-214c6f509c1e@163.com/T/#u [1]
Fixes: 6a48faeeca10 ("net/mlx5: Add direct rule fs_cmd implementation")
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240409190820.227554-6-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 2a9421342a503..cf085a478e3e4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -1664,6 +1664,16 @@ static int create_auto_flow_group(struct mlx5_flow_table *ft,
return err;
}
+static bool mlx5_pkt_reformat_cmp(struct mlx5_pkt_reformat *p1,
+ struct mlx5_pkt_reformat *p2)
+{
+ return p1->owner == p2->owner &&
+ (p1->owner == MLX5_FLOW_RESOURCE_OWNER_FW ?
+ p1->id == p2->id :
+ mlx5_fs_dr_action_get_pkt_reformat_id(p1) ==
+ mlx5_fs_dr_action_get_pkt_reformat_id(p2));
+}
+
static bool mlx5_flow_dests_cmp(struct mlx5_flow_destination *d1,
struct mlx5_flow_destination *d2)
{
@@ -1675,8 +1685,8 @@ static bool mlx5_flow_dests_cmp(struct mlx5_flow_destination *d1,
((d1->vport.flags & MLX5_FLOW_DEST_VPORT_VHCA_ID) ?
(d1->vport.vhca_id == d2->vport.vhca_id) : true) &&
((d1->vport.flags & MLX5_FLOW_DEST_VPORT_REFORMAT_ID) ?
- (d1->vport.pkt_reformat->id ==
- d2->vport.pkt_reformat->id) : true)) ||
+ mlx5_pkt_reformat_cmp(d1->vport.pkt_reformat,
+ d2->vport.pkt_reformat) : true)) ||
(d1->type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE &&
d1->ft == d2->ft) ||
(d1->type == MLX5_FLOW_DESTINATION_TYPE_TIR &&
--
GitLab
From ee3572409f74a838154af74ce1e56e62c17786a8 Mon Sep 17 00:00:00 2001
From: Carolina Jubran <cjubran@nvidia.com>
Date: Tue, 9 Apr 2024 22:08:14 +0300
Subject: [PATCH 2426/2686] net/mlx5e: RSS, Block changing channels number when
RXFH is configured
Changing the channels number after configuring the receive flow hash
indirection table may affect the RSS table size. The previous
configuration may no longer be compatible with the new receive flow
hash indirection table.
Block changing the channels number when RXFH is configured and changing
the channels number requires resizing the RSS table size.
Fixes: 74a8dadac17e ("net/mlx5e: Preparations for supporting larger number of channels")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240409190820.227554-7-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../ethernet/mellanox/mlx5/core/en_ethtool.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index cc51ce16df14a..93461b0c5703b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -451,6 +451,23 @@ int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
mutex_lock(&priv->state_lock);
+ /* If RXFH is configured, changing the channels number is allowed only if
+ * it does not require resizing the RSS table. This is because the previous
+ * configuration may no longer be compatible with the new RSS table.
+ */
+ if (netif_is_rxfh_configured(priv->netdev)) {
+ int cur_rqt_size = mlx5e_rqt_size(priv->mdev, cur_params->num_channels);
+ int new_rqt_size = mlx5e_rqt_size(priv->mdev, count);
+
+ if (new_rqt_size != cur_rqt_size) {
+ err = -EINVAL;
+ netdev_err(priv->netdev,
+ "%s: RXFH is configured, block changing channels number that affects RSS table size (new: %d, current: %d)\n",
+ __func__, new_rqt_size, cur_rqt_size);
+ goto out;
+ }
+ }
+
/* Don't allow changing the number of channels if HTB offload is active,
* because the numeration of the QoS SQs will change, while per-queue
* qdiscs are attached.
--
GitLab
From ecb829459a841198e142f72fadab56424ae96519 Mon Sep 17 00:00:00 2001
From: Carolina Jubran <cjubran@nvidia.com>
Date: Tue, 9 Apr 2024 22:08:15 +0300
Subject: [PATCH 2427/2686] net/mlx5e: Fix mlx5e_priv_init() cleanup flow
When mlx5e_priv_init() fails, the cleanup flow calls mlx5e_selq_cleanup which
calls mlx5e_selq_apply() that assures that the `priv->state_lock` is held using
lockdep_is_held().
Acquire the state_lock in mlx5e_selq_cleanup().
Kernel log:
=============================
WARNING: suspicious RCU usage
6.8.0-rc3_net_next_841a9b5 #1 Not tainted
-----------------------------
drivers/net/ethernet/mellanox/mlx5/core/en/selq.c:124 suspicious rcu_dereference_protected() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
2 locks held by systemd-modules/293:
#0: ffffffffa05067b0 (devices_rwsem){++++}-{3:3}, at: ib_register_client+0x109/0x1b0 [ib_core]
#1: ffff8881096c65c0 (&device->client_data_rwsem){++++}-{3:3}, at: add_client_context+0x104/0x1c0 [ib_core]
stack backtrace:
CPU: 4 PID: 293 Comm: systemd-modules Not tainted 6.8.0-rc3_net_next_841a9b5 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x8a/0xa0
lockdep_rcu_suspicious+0x154/0x1a0
mlx5e_selq_apply+0x94/0xa0 [mlx5_core]
mlx5e_selq_cleanup+0x3a/0x60 [mlx5_core]
mlx5e_priv_init+0x2be/0x2f0 [mlx5_core]
mlx5_rdma_setup_rn+0x7c/0x1a0 [mlx5_core]
rdma_init_netdev+0x4e/0x80 [ib_core]
? mlx5_rdma_netdev_free+0x70/0x70 [mlx5_core]
ipoib_intf_init+0x64/0x550 [ib_ipoib]
ipoib_intf_alloc+0x4e/0xc0 [ib_ipoib]
ipoib_add_one+0xb0/0x360 [ib_ipoib]
add_client_context+0x112/0x1c0 [ib_core]
ib_register_client+0x166/0x1b0 [ib_core]
? 0xffffffffa0573000
ipoib_init_module+0xeb/0x1a0 [ib_ipoib]
do_one_initcall+0x61/0x250
do_init_module+0x8a/0x270
init_module_from_file+0x8b/0xd0
idempotent_init_module+0x17d/0x230
__x64_sys_finit_module+0x61/0xb0
do_syscall_64+0x71/0x140
entry_SYSCALL_64_after_hwframe+0x46/0x4e
</TASK>
Fixes: 8bf30be75069 ("net/mlx5e: Introduce select queue parameters")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240409190820.227554-8-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/en/selq.c | 2 ++
drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 2 --
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/selq.c b/drivers/net/ethernet/mellanox/mlx5/core/en/selq.c
index f675b1926340f..f66bbc8464645 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/selq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/selq.c
@@ -57,6 +57,7 @@ int mlx5e_selq_init(struct mlx5e_selq *selq, struct mutex *state_lock)
void mlx5e_selq_cleanup(struct mlx5e_selq *selq)
{
+ mutex_lock(selq->state_lock);
WARN_ON_ONCE(selq->is_prepared);
kvfree(selq->standby);
@@ -67,6 +68,7 @@ void mlx5e_selq_cleanup(struct mlx5e_selq *selq)
kvfree(selq->standby);
selq->standby = NULL;
+ mutex_unlock(selq->state_lock);
}
void mlx5e_selq_prepare_params(struct mlx5e_selq *selq, struct mlx5e_params *params)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 91848eae45655..b375ef268671a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -5726,9 +5726,7 @@ void mlx5e_priv_cleanup(struct mlx5e_priv *priv)
kfree(priv->tx_rates);
kfree(priv->txq2sq);
destroy_workqueue(priv->wq);
- mutex_lock(&priv->state_lock);
mlx5e_selq_cleanup(&priv->selq);
- mutex_unlock(&priv->state_lock);
free_cpumask_var(priv->scratchpad.cpumask);
for (i = 0; i < priv->htb_max_qos_sqs; i++)
--
GitLab
From 2f436f1869771d46e1a9f85738d5a1a7c5653a4e Mon Sep 17 00:00:00 2001
From: Carolina Jubran <cjubran@nvidia.com>
Date: Tue, 9 Apr 2024 22:08:16 +0300
Subject: [PATCH 2428/2686] net/mlx5e: HTB, Fix inconsistencies with QoS SQs
number
When creating a new HTB class while the interface is down,
the variable that follows the number of QoS SQs (htb_max_qos_sqs)
may not be consistent with the number of HTB classes.
Previously, we compared these two values to ensure that
the node_qid is lower than the number of QoS SQs, and we
allocated stats for that SQ when they are equal.
Change the check to compare the node_qid with the current
number of leaf nodes and fix the checking conditions to
ensure allocation of stats_list and stats for each node.
Fixes: 214baf22870c ("net/mlx5e: Support HTB offload")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240409190820.227554-9-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../net/ethernet/mellanox/mlx5/core/en/qos.c | 33 ++++++++++---------
1 file changed, 17 insertions(+), 16 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/en/qos.c
index e87e26f2c669c..6743806b84806 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/qos.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/qos.c
@@ -83,24 +83,25 @@ int mlx5e_open_qos_sq(struct mlx5e_priv *priv, struct mlx5e_channels *chs,
txq_ix = mlx5e_qid_from_qos(chs, node_qid);
- WARN_ON(node_qid > priv->htb_max_qos_sqs);
- if (node_qid == priv->htb_max_qos_sqs) {
- struct mlx5e_sq_stats *stats, **stats_list = NULL;
-
- if (priv->htb_max_qos_sqs == 0) {
- stats_list = kvcalloc(mlx5e_qos_max_leaf_nodes(priv->mdev),
- sizeof(*stats_list),
- GFP_KERNEL);
- if (!stats_list)
- return -ENOMEM;
- }
+ WARN_ON(node_qid >= mlx5e_htb_cur_leaf_nodes(priv->htb));
+ if (!priv->htb_qos_sq_stats) {
+ struct mlx5e_sq_stats **stats_list;
+
+ stats_list = kvcalloc(mlx5e_qos_max_leaf_nodes(priv->mdev),
+ sizeof(*stats_list), GFP_KERNEL);
+ if (!stats_list)
+ return -ENOMEM;
+
+ WRITE_ONCE(priv->htb_qos_sq_stats, stats_list);
+ }
+
+ if (!priv->htb_qos_sq_stats[node_qid]) {
+ struct mlx5e_sq_stats *stats;
+
stats = kzalloc(sizeof(*stats), GFP_KERNEL);
- if (!stats) {
- kvfree(stats_list);
+ if (!stats)
return -ENOMEM;
- }
- if (stats_list)
- WRITE_ONCE(priv->htb_qos_sq_stats, stats_list);
+
WRITE_ONCE(priv->htb_qos_sq_stats[node_qid], stats);
/* Order htb_max_qos_sqs increment after writing the array pointer.
* Pairs with smp_load_acquire in en_stats.c.
--
GitLab
From 86b0ca5b118d3a0bae5e5645a13e66f8a4f6c525 Mon Sep 17 00:00:00 2001
From: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Date: Tue, 9 Apr 2024 22:08:17 +0300
Subject: [PATCH 2429/2686] net/mlx5e: Do not produce metadata freelist entries
in Tx port ts WQE xmit
Free Tx port timestamping metadata entries in the NAPI poll context and
consume metadata enties in the WQE xmit path. Do not free a Tx port
timestamping metadata entry in the WQE xmit path even in the error path to
avoid a race between two metadata entry producers.
Fixes: 3178308ad4ca ("net/mlx5e: Make tx_port_ts logic resilient to out-of-order CQEs")
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240409190820.227554-10-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h | 8 +++++++-
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 7 +++----
2 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h
index 86f1854698b4e..883c044852f1d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h
@@ -95,9 +95,15 @@ static inline void mlx5e_ptp_metadata_fifo_push(struct mlx5e_ptp_metadata_fifo *
}
static inline u8
+mlx5e_ptp_metadata_fifo_peek(struct mlx5e_ptp_metadata_fifo *fifo)
+{
+ return fifo->data[fifo->mask & fifo->cc];
+}
+
+static inline void
mlx5e_ptp_metadata_fifo_pop(struct mlx5e_ptp_metadata_fifo *fifo)
{
- return fifo->data[fifo->mask & fifo->cc++];
+ fifo->cc++;
}
static inline void
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index 2fa076b23fbea..e21a3b4128ce8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -398,6 +398,8 @@ mlx5e_txwqe_complete(struct mlx5e_txqsq *sq, struct sk_buff *skb,
(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))) {
u8 metadata_index = be32_to_cpu(eseg->flow_table_metadata);
+ mlx5e_ptp_metadata_fifo_pop(&sq->ptpsq->metadata_freelist);
+
mlx5e_skb_cb_hwtstamp_init(skb);
mlx5e_ptp_metadata_map_put(&sq->ptpsq->metadata_map, skb,
metadata_index);
@@ -496,9 +498,6 @@ mlx5e_sq_xmit_wqe(struct mlx5e_txqsq *sq, struct sk_buff *skb,
err_drop:
stats->dropped++;
- if (unlikely(sq->ptpsq && (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)))
- mlx5e_ptp_metadata_fifo_push(&sq->ptpsq->metadata_freelist,
- be32_to_cpu(eseg->flow_table_metadata));
dev_kfree_skb_any(skb);
mlx5e_tx_flush(sq);
}
@@ -657,7 +656,7 @@ static void mlx5e_cqe_ts_id_eseg(struct mlx5e_ptpsq *ptpsq, struct sk_buff *skb,
{
if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))
eseg->flow_table_metadata =
- cpu_to_be32(mlx5e_ptp_metadata_fifo_pop(&ptpsq->metadata_freelist));
+ cpu_to_be32(mlx5e_ptp_metadata_fifo_peek(&ptpsq->metadata_freelist));
}
static void mlx5e_txwqe_build_eseg(struct mlx5e_priv *priv, struct mlx5e_txqsq *sq,
--
GitLab
From 49e6c9387051716169ff6a6c5ddd4d9f358db2e9 Mon Sep 17 00:00:00 2001
From: Carolina Jubran <cjubran@nvidia.com>
Date: Tue, 9 Apr 2024 22:08:18 +0300
Subject: [PATCH 2430/2686] net/mlx5e: RSS, Block XOR hash with over 128
channels
When supporting more than 128 channels, the RQT size is
calculated by multiplying the number of channels by 2
and rounding up to the nearest power of 2.
The index of the RQT is derived from the RSS hash
calculations. If XOR8 is used as the RSS hash function,
there are only 256 possible hash results, and therefore,
only 256 indexes can be reached in the RQT.
Block setting the RSS hash function to XOR when the number
of channels exceeds 128.
Fixes: 74a8dadac17e ("net/mlx5e: Preparations for supporting larger number of channels")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240409190820.227554-11-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../net/ethernet/mellanox/mlx5/core/en/rqt.c | 7 +++++
.../net/ethernet/mellanox/mlx5/core/en/rqt.h | 1 +
.../ethernet/mellanox/mlx5/core/en_ethtool.c | 28 +++++++++++++++++--
3 files changed, 34 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.c
index bcafb4bf94154..8d9a3b5ec973b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.c
@@ -179,6 +179,13 @@ u32 mlx5e_rqt_size(struct mlx5_core_dev *mdev, unsigned int num_channels)
return min_t(u32, rqt_size, max_cap_rqt_size);
}
+#define MLX5E_MAX_RQT_SIZE_ALLOWED_WITH_XOR8_HASH 256
+
+unsigned int mlx5e_rqt_max_num_channels_allowed_for_xor8(void)
+{
+ return MLX5E_MAX_RQT_SIZE_ALLOWED_WITH_XOR8_HASH / MLX5E_UNIFORM_SPREAD_RQT_FACTOR;
+}
+
void mlx5e_rqt_destroy(struct mlx5e_rqt *rqt)
{
mlx5_core_destroy_rqt(rqt->mdev, rqt->rqtn);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.h b/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.h
index e0bc30308c770..2f9e04a8418f1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.h
@@ -38,6 +38,7 @@ static inline u32 mlx5e_rqt_get_rqtn(struct mlx5e_rqt *rqt)
}
u32 mlx5e_rqt_size(struct mlx5_core_dev *mdev, unsigned int num_channels);
+unsigned int mlx5e_rqt_max_num_channels_allowed_for_xor8(void);
int mlx5e_rqt_redirect_direct(struct mlx5e_rqt *rqt, u32 rqn, u32 *vhca_id);
int mlx5e_rqt_redirect_indir(struct mlx5e_rqt *rqt, u32 *rqns, u32 *vhca_ids,
unsigned int num_rqns,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 93461b0c5703b..8f101181648c6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -451,6 +451,17 @@ int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
mutex_lock(&priv->state_lock);
+ if (mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc == ETH_RSS_HASH_XOR) {
+ unsigned int xor8_max_channels = mlx5e_rqt_max_num_channels_allowed_for_xor8();
+
+ if (count > xor8_max_channels) {
+ err = -EINVAL;
+ netdev_err(priv->netdev, "%s: Requested number of channels (%d) exceeds the maximum allowed by the XOR8 RSS hfunc (%d)\n",
+ __func__, count, xor8_max_channels);
+ goto out;
+ }
+ }
+
/* If RXFH is configured, changing the channels number is allowed only if
* it does not require resizing the RSS table. This is because the previous
* configuration may no longer be compatible with the new RSS table.
@@ -1298,17 +1309,30 @@ int mlx5e_set_rxfh(struct net_device *dev, struct ethtool_rxfh_param *rxfh,
struct mlx5e_priv *priv = netdev_priv(dev);
u32 *rss_context = &rxfh->rss_context;
u8 hfunc = rxfh->hfunc;
+ unsigned int count;
int err;
mutex_lock(&priv->state_lock);
+
+ count = priv->channels.params.num_channels;
+
+ if (hfunc == ETH_RSS_HASH_XOR) {
+ unsigned int xor8_max_channels = mlx5e_rqt_max_num_channels_allowed_for_xor8();
+
+ if (count > xor8_max_channels) {
+ err = -EINVAL;
+ netdev_err(priv->netdev, "%s: Cannot set RSS hash function to XOR, current number of channels (%d) exceeds the maximum allowed for XOR8 RSS hfunc (%d)\n",
+ __func__, count, xor8_max_channels);
+ goto unlock;
+ }
+ }
+
if (*rss_context && rxfh->rss_delete) {
err = mlx5e_rx_res_rss_destroy(priv->rx_res, *rss_context);
goto unlock;
}
if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) {
- unsigned int count = priv->channels.params.num_channels;
-
err = mlx5e_rx_res_rss_init(priv->rx_res, rss_context, count);
if (err)
goto unlock;
--
GitLab
From 7772dc7460e8ef359f3eee88c3b708cb403e19af Mon Sep 17 00:00:00 2001
From: Tariq Toukan <tariqt@nvidia.com>
Date: Tue, 9 Apr 2024 22:08:19 +0300
Subject: [PATCH 2431/2686] net/mlx5: Disallow SRIOV switchdev mode when in
multi-PF netdev
Adaptations need to be made for the auxiliary device management in the
core driver level. Block this combination for now.
Fixes: 678eb448055a ("net/mlx5: SD, Implement basic query and instantiation")
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Link: https://lore.kernel.org/r/20240409190820.227554-12-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index e3cce110e52fd..1f60954c12f72 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -43,6 +43,7 @@
#include "rdma.h"
#include "en.h"
#include "fs_core.h"
+#include "lib/mlx5.h"
#include "lib/devcom.h"
#include "lib/eq.h"
#include "lib/fs_chains.h"
@@ -3711,6 +3712,12 @@ int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode,
if (esw_mode_from_devlink(mode, &mlx5_mode))
return -EINVAL;
+ if (mode == DEVLINK_ESWITCH_MODE_SWITCHDEV && mlx5_get_sd(esw->dev)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Can't change E-Switch mode to switchdev when multi-PF netdev (Socket Direct) is configured.");
+ return -EPERM;
+ }
+
mlx5_lag_disable_change(esw->dev);
err = mlx5_esw_try_lock(esw);
if (err < 0) {
--
GitLab
From fe87922cee6161f066f4b9dd542033e048eeedaf Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Mon, 8 Apr 2024 09:41:10 +0200
Subject: [PATCH 2432/2686] net/mlx5: fix possible stack overflows
A couple of debug functions use a 512 byte temporary buffer and call another
function that has another buffer of the same size, which in turn exceeds the
usual warning limit for excessive stack usage:
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c:1073:1: error: stack frame size (1448) exceeds limit (1024) in 'dr_dump_start' [-Werror,-Wframe-larger-than]
dr_dump_start(struct seq_file *file, loff_t *pos)
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c:1009:1: error: stack frame size (1120) exceeds limit (1024) in 'dr_dump_domain' [-Werror,-Wframe-larger-than]
dr_dump_domain(struct seq_file *file, struct mlx5dr_domain *dmn)
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c:705:1: error: stack frame size (1104) exceeds limit (1024) in 'dr_dump_matcher_rx_tx' [-Werror,-Wframe-larger-than]
dr_dump_matcher_rx_tx(struct seq_file *file, bool is_rx,
Rework these so that each of the various code paths only ever has one of
these buffers in it, and exactly the functions that declare one have
the 'noinline_for_stack' annotation that prevents them from all being
inlined into the same caller.
Fixes: 917d1e799ddf ("net/mlx5: DR, Change SWS usage to debug fs seq_file interface")
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/all/20240219100506.648089-1-arnd@kernel.org/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240408074142.3007036-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../mellanox/mlx5/core/steering/dr_dbg.c | 82 +++++++++----------
1 file changed, 41 insertions(+), 41 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c
index 64f4cc284aea4..030a5776c9374 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c
@@ -205,12 +205,11 @@ dr_dump_hex_print(char hex[DR_HEX_SIZE], char *src, u32 size)
}
static int
-dr_dump_rule_action_mem(struct seq_file *file, const u64 rule_id,
+dr_dump_rule_action_mem(struct seq_file *file, char *buff, const u64 rule_id,
struct mlx5dr_rule_action_member *action_mem)
{
struct mlx5dr_action *action = action_mem->action;
const u64 action_id = DR_DBG_PTR_TO_ID(action);
- char buff[MLX5DR_DEBUG_DUMP_BUFF_LENGTH];
u64 hit_tbl_ptr, miss_tbl_ptr;
u32 hit_tbl_id, miss_tbl_id;
int ret;
@@ -488,10 +487,9 @@ dr_dump_rule_action_mem(struct seq_file *file, const u64 rule_id,
}
static int
-dr_dump_rule_mem(struct seq_file *file, struct mlx5dr_ste *ste,
+dr_dump_rule_mem(struct seq_file *file, char *buff, struct mlx5dr_ste *ste,
bool is_rx, const u64 rule_id, u8 format_ver)
{
- char buff[MLX5DR_DEBUG_DUMP_BUFF_LENGTH];
char hw_ste_dump[DR_HEX_SIZE];
u32 mem_rec_type;
int ret;
@@ -522,7 +520,8 @@ dr_dump_rule_mem(struct seq_file *file, struct mlx5dr_ste *ste,
}
static int
-dr_dump_rule_rx_tx(struct seq_file *file, struct mlx5dr_rule_rx_tx *rule_rx_tx,
+dr_dump_rule_rx_tx(struct seq_file *file, char *buff,
+ struct mlx5dr_rule_rx_tx *rule_rx_tx,
bool is_rx, const u64 rule_id, u8 format_ver)
{
struct mlx5dr_ste *ste_arr[DR_RULE_MAX_STES + DR_ACTION_MAX_STES];
@@ -533,7 +532,7 @@ dr_dump_rule_rx_tx(struct seq_file *file, struct mlx5dr_rule_rx_tx *rule_rx_tx,
return 0;
while (i--) {
- ret = dr_dump_rule_mem(file, ste_arr[i], is_rx, rule_id,
+ ret = dr_dump_rule_mem(file, buff, ste_arr[i], is_rx, rule_id,
format_ver);
if (ret < 0)
return ret;
@@ -542,7 +541,8 @@ dr_dump_rule_rx_tx(struct seq_file *file, struct mlx5dr_rule_rx_tx *rule_rx_tx,
return 0;
}
-static int dr_dump_rule(struct seq_file *file, struct mlx5dr_rule *rule)
+static noinline_for_stack int
+dr_dump_rule(struct seq_file *file, struct mlx5dr_rule *rule)
{
struct mlx5dr_rule_action_member *action_mem;
const u64 rule_id = DR_DBG_PTR_TO_ID(rule);
@@ -565,19 +565,19 @@ static int dr_dump_rule(struct seq_file *file, struct mlx5dr_rule *rule)
return ret;
if (rx->nic_matcher) {
- ret = dr_dump_rule_rx_tx(file, rx, true, rule_id, format_ver);
+ ret = dr_dump_rule_rx_tx(file, buff, rx, true, rule_id, format_ver);
if (ret < 0)
return ret;
}
if (tx->nic_matcher) {
- ret = dr_dump_rule_rx_tx(file, tx, false, rule_id, format_ver);
+ ret = dr_dump_rule_rx_tx(file, buff, tx, false, rule_id, format_ver);
if (ret < 0)
return ret;
}
list_for_each_entry(action_mem, &rule->rule_actions_list, list) {
- ret = dr_dump_rule_action_mem(file, rule_id, action_mem);
+ ret = dr_dump_rule_action_mem(file, buff, rule_id, action_mem);
if (ret < 0)
return ret;
}
@@ -586,10 +586,10 @@ static int dr_dump_rule(struct seq_file *file, struct mlx5dr_rule *rule)
}
static int
-dr_dump_matcher_mask(struct seq_file *file, struct mlx5dr_match_param *mask,
+dr_dump_matcher_mask(struct seq_file *file, char *buff,
+ struct mlx5dr_match_param *mask,
u8 criteria, const u64 matcher_id)
{
- char buff[MLX5DR_DEBUG_DUMP_BUFF_LENGTH];
char dump[DR_HEX_SIZE];
int ret;
@@ -681,10 +681,10 @@ dr_dump_matcher_mask(struct seq_file *file, struct mlx5dr_match_param *mask,
}
static int
-dr_dump_matcher_builder(struct seq_file *file, struct mlx5dr_ste_build *builder,
+dr_dump_matcher_builder(struct seq_file *file, char *buff,
+ struct mlx5dr_ste_build *builder,
u32 index, bool is_rx, const u64 matcher_id)
{
- char buff[MLX5DR_DEBUG_DUMP_BUFF_LENGTH];
int ret;
ret = snprintf(buff, MLX5DR_DEBUG_DUMP_BUFF_LENGTH,
@@ -702,11 +702,10 @@ dr_dump_matcher_builder(struct seq_file *file, struct mlx5dr_ste_build *builder,
}
static int
-dr_dump_matcher_rx_tx(struct seq_file *file, bool is_rx,
+dr_dump_matcher_rx_tx(struct seq_file *file, char *buff, bool is_rx,
struct mlx5dr_matcher_rx_tx *matcher_rx_tx,
const u64 matcher_id)
{
- char buff[MLX5DR_DEBUG_DUMP_BUFF_LENGTH];
enum dr_dump_rec_type rec_type;
u64 s_icm_addr, e_icm_addr;
int i, ret;
@@ -731,7 +730,7 @@ dr_dump_matcher_rx_tx(struct seq_file *file, bool is_rx,
return ret;
for (i = 0; i < matcher_rx_tx->num_of_builders; i++) {
- ret = dr_dump_matcher_builder(file,
+ ret = dr_dump_matcher_builder(file, buff,
&matcher_rx_tx->ste_builder[i],
i, is_rx, matcher_id);
if (ret < 0)
@@ -741,7 +740,7 @@ dr_dump_matcher_rx_tx(struct seq_file *file, bool is_rx,
return 0;
}
-static int
+static noinline_for_stack int
dr_dump_matcher(struct seq_file *file, struct mlx5dr_matcher *matcher)
{
struct mlx5dr_matcher_rx_tx *rx = &matcher->rx;
@@ -763,19 +762,19 @@ dr_dump_matcher(struct seq_file *file, struct mlx5dr_matcher *matcher)
if (ret)
return ret;
- ret = dr_dump_matcher_mask(file, &matcher->mask,
+ ret = dr_dump_matcher_mask(file, buff, &matcher->mask,
matcher->match_criteria, matcher_id);
if (ret < 0)
return ret;
if (rx->nic_tbl) {
- ret = dr_dump_matcher_rx_tx(file, true, rx, matcher_id);
+ ret = dr_dump_matcher_rx_tx(file, buff, true, rx, matcher_id);
if (ret < 0)
return ret;
}
if (tx->nic_tbl) {
- ret = dr_dump_matcher_rx_tx(file, false, tx, matcher_id);
+ ret = dr_dump_matcher_rx_tx(file, buff, false, tx, matcher_id);
if (ret < 0)
return ret;
}
@@ -803,11 +802,10 @@ dr_dump_matcher_all(struct seq_file *file, struct mlx5dr_matcher *matcher)
}
static int
-dr_dump_table_rx_tx(struct seq_file *file, bool is_rx,
+dr_dump_table_rx_tx(struct seq_file *file, char *buff, bool is_rx,
struct mlx5dr_table_rx_tx *table_rx_tx,
const u64 table_id)
{
- char buff[MLX5DR_DEBUG_DUMP_BUFF_LENGTH];
enum dr_dump_rec_type rec_type;
u64 s_icm_addr;
int ret;
@@ -829,7 +827,8 @@ dr_dump_table_rx_tx(struct seq_file *file, bool is_rx,
return 0;
}
-static int dr_dump_table(struct seq_file *file, struct mlx5dr_table *table)
+static noinline_for_stack int
+dr_dump_table(struct seq_file *file, struct mlx5dr_table *table)
{
struct mlx5dr_table_rx_tx *rx = &table->rx;
struct mlx5dr_table_rx_tx *tx = &table->tx;
@@ -848,14 +847,14 @@ static int dr_dump_table(struct seq_file *file, struct mlx5dr_table *table)
return ret;
if (rx->nic_dmn) {
- ret = dr_dump_table_rx_tx(file, true, rx,
+ ret = dr_dump_table_rx_tx(file, buff, true, rx,
DR_DBG_PTR_TO_ID(table));
if (ret < 0)
return ret;
}
if (tx->nic_dmn) {
- ret = dr_dump_table_rx_tx(file, false, tx,
+ ret = dr_dump_table_rx_tx(file, buff, false, tx,
DR_DBG_PTR_TO_ID(table));
if (ret < 0)
return ret;
@@ -881,10 +880,10 @@ static int dr_dump_table_all(struct seq_file *file, struct mlx5dr_table *tbl)
}
static int
-dr_dump_send_ring(struct seq_file *file, struct mlx5dr_send_ring *ring,
+dr_dump_send_ring(struct seq_file *file, char *buff,
+ struct mlx5dr_send_ring *ring,
const u64 domain_id)
{
- char buff[MLX5DR_DEBUG_DUMP_BUFF_LENGTH];
int ret;
ret = snprintf(buff, MLX5DR_DEBUG_DUMP_BUFF_LENGTH,
@@ -902,13 +901,13 @@ dr_dump_send_ring(struct seq_file *file, struct mlx5dr_send_ring *ring,
return 0;
}
-static noinline_for_stack int
+static int
dr_dump_domain_info_flex_parser(struct seq_file *file,
+ char *buff,
const char *flex_parser_name,
const u8 flex_parser_value,
const u64 domain_id)
{
- char buff[MLX5DR_DEBUG_DUMP_BUFF_LENGTH];
int ret;
ret = snprintf(buff, MLX5DR_DEBUG_DUMP_BUFF_LENGTH,
@@ -925,11 +924,11 @@ dr_dump_domain_info_flex_parser(struct seq_file *file,
return 0;
}
-static noinline_for_stack int
-dr_dump_domain_info_caps(struct seq_file *file, struct mlx5dr_cmd_caps *caps,
+static int
+dr_dump_domain_info_caps(struct seq_file *file, char *buff,
+ struct mlx5dr_cmd_caps *caps,
const u64 domain_id)
{
- char buff[MLX5DR_DEBUG_DUMP_BUFF_LENGTH];
struct mlx5dr_cmd_vport_cap *vport_caps;
unsigned long i, vports_num;
int ret;
@@ -969,34 +968,35 @@ dr_dump_domain_info_caps(struct seq_file *file, struct mlx5dr_cmd_caps *caps,
}
static int
-dr_dump_domain_info(struct seq_file *file, struct mlx5dr_domain_info *info,
+dr_dump_domain_info(struct seq_file *file, char *buff,
+ struct mlx5dr_domain_info *info,
const u64 domain_id)
{
int ret;
- ret = dr_dump_domain_info_caps(file, &info->caps, domain_id);
+ ret = dr_dump_domain_info_caps(file, buff, &info->caps, domain_id);
if (ret < 0)
return ret;
- ret = dr_dump_domain_info_flex_parser(file, "icmp_dw0",
+ ret = dr_dump_domain_info_flex_parser(file, buff, "icmp_dw0",
info->caps.flex_parser_id_icmp_dw0,
domain_id);
if (ret < 0)
return ret;
- ret = dr_dump_domain_info_flex_parser(file, "icmp_dw1",
+ ret = dr_dump_domain_info_flex_parser(file, buff, "icmp_dw1",
info->caps.flex_parser_id_icmp_dw1,
domain_id);
if (ret < 0)
return ret;
- ret = dr_dump_domain_info_flex_parser(file, "icmpv6_dw0",
+ ret = dr_dump_domain_info_flex_parser(file, buff, "icmpv6_dw0",
info->caps.flex_parser_id_icmpv6_dw0,
domain_id);
if (ret < 0)
return ret;
- ret = dr_dump_domain_info_flex_parser(file, "icmpv6_dw1",
+ ret = dr_dump_domain_info_flex_parser(file, buff, "icmpv6_dw1",
info->caps.flex_parser_id_icmpv6_dw1,
domain_id);
if (ret < 0)
@@ -1032,12 +1032,12 @@ dr_dump_domain(struct seq_file *file, struct mlx5dr_domain *dmn)
if (ret)
return ret;
- ret = dr_dump_domain_info(file, &dmn->info, domain_id);
+ ret = dr_dump_domain_info(file, buff, &dmn->info, domain_id);
if (ret < 0)
return ret;
if (dmn->info.supp_sw_steering) {
- ret = dr_dump_send_ring(file, dmn->send_ring, domain_id);
+ ret = dr_dump_send_ring(file, buff, dmn->send_ring, domain_id);
if (ret < 0)
return ret;
}
--
GitLab
From 2f7b1d8b5505efb0057cd1ab85fca206063ea4c3 Mon Sep 17 00:00:00 2001
From: Pin-yen Lin <treapking@chromium.org>
Date: Tue, 12 Mar 2024 19:51:55 +0800
Subject: [PATCH 2433/2686] clk: mediatek: Do a runtime PM get on controllers
during probe
mt8183-mfgcfg has a mutual dependency with genpd during the probing
stage, which leads to a deadlock in the following call stack:
CPU0: genpd_lock --> clk_prepare_lock
genpd_power_off_work_fn()
genpd_lock()
generic_pm_domain::power_off()
clk_unprepare()
clk_prepare_lock()
CPU1: clk_prepare_lock --> genpd_lock
clk_register()
__clk_core_init()
clk_prepare_lock()
clk_pm_runtime_get()
genpd_lock()
Do a runtime PM get at the probe function to make sure clk_register()
won't acquire the genpd lock. Instead of only modifying mt8183-mfgcfg,
do this on all mediatek clock controller probings because we don't
believe this would cause any regression.
Verified on MT8183 and MT8192 Chromebooks.
Fixes: acddfc2c261b ("clk: mediatek: Add MT8183 clock support")
Signed-off-by: Pin-yen Lin <treapking@chromium.org>
Link: https://lore.kernel.org/r/20240312115249.3341654-1-treapking@chromium.org
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
---
drivers/clk/mediatek/clk-mtk.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
index 2e55368dc4d82..bd37ab4d1a9bb 100644
--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -13,6 +13,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include "clk-mtk.h"
@@ -494,6 +495,16 @@ static int __mtk_clk_simple_probe(struct platform_device *pdev,
return IS_ERR(base) ? PTR_ERR(base) : -ENOMEM;
}
+
+ devm_pm_runtime_enable(&pdev->dev);
+ /*
+ * Do a pm_runtime_resume_and_get() to workaround a possible
+ * deadlock between clk_register() and the genpd framework.
+ */
+ r = pm_runtime_resume_and_get(&pdev->dev);
+ if (r)
+ return r;
+
/* Calculate how many clk_hw_onecell_data entries to allocate */
num_clks = mcd->num_clks + mcd->num_composite_clks;
num_clks += mcd->num_fixed_clks + mcd->num_factor_clks;
@@ -574,6 +585,8 @@ static int __mtk_clk_simple_probe(struct platform_device *pdev,
goto unregister_clks;
}
+ pm_runtime_put(&pdev->dev);
+
return r;
unregister_clks:
@@ -604,6 +617,8 @@ static int __mtk_clk_simple_probe(struct platform_device *pdev,
free_base:
if (mcd->shared_io && base)
iounmap(base);
+
+ pm_runtime_put(&pdev->dev);
return r;
}
--
GitLab
From d3e8a91a848a5941e3c31ecebd6b2612b37e01a6 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Wed, 13 Mar 2024 22:05:37 +0000
Subject: [PATCH 2434/2686] clk: mediatek: mt7988-infracfg: fix clocks for 2nd
PCIe port
Due to what seems to be an undocumented oddity in MediaTek's MT7988
SoC design the CLK_INFRA_PCIE_PERI_26M_CK_P2 clock requires
CLK_INFRA_PCIE_PERI_26M_CK_P3 to be enabled.
This currently leads to PCIe port 2 not working in Linux.
Reflect the apparent relationship in the clk driver to make sure PCIe
port 2 of the MT7988 SoC works.
Fixes: 4b4719437d85f ("clk: mediatek: add drivers for MT7988 SoC")
Suggested-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Link: https://lore.kernel.org/r/1da2506a51f970706bf4ec9509dd04e0471065e5.1710367453.git.daniel@makrotopia.org
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
---
drivers/clk/mediatek/clk-mt7988-infracfg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clk/mediatek/clk-mt7988-infracfg.c b/drivers/clk/mediatek/clk-mt7988-infracfg.c
index 449041f8abbc9..c8c023afe3e5a 100644
--- a/drivers/clk/mediatek/clk-mt7988-infracfg.c
+++ b/drivers/clk/mediatek/clk-mt7988-infracfg.c
@@ -156,7 +156,7 @@ static const struct mtk_gate infra_clks[] = {
GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P1, "infra_pcie_peri_ck_26m_ck_p1",
"csw_infra_f26m_sel", 8),
GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P2, "infra_pcie_peri_ck_26m_ck_p2",
- "csw_infra_f26m_sel", 9),
+ "infra_pcie_peri_ck_26m_ck_p3", 9),
GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P3, "infra_pcie_peri_ck_26m_ck_p3",
"csw_infra_f26m_sel", 10),
/* INFRA1 */
--
GitLab
From 33623113a48ea906f1955cbf71094f6aa4462e8f Mon Sep 17 00:00:00 2001
From: Daniel Machon <daniel.machon@microchip.com>
Date: Tue, 9 Apr 2024 12:41:59 +0200
Subject: [PATCH 2435/2686] net: sparx5: fix wrong config being used when
reconfiguring PCS
The wrong port config is being used if the PCS is reconfigured. Fix this
by correctly using the new config instead of the old one.
Fixes: 946e7fd5053a ("net: sparx5: add port module support")
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20240409-link-mode-reconfiguration-fix-v2-1-db6a507f3627@microchip.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/microchip/sparx5/sparx5_port.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_port.c b/drivers/net/ethernet/microchip/sparx5/sparx5_port.c
index 3a1b1a1f5a195..60dd2fd603a85 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_port.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_port.c
@@ -731,7 +731,7 @@ static int sparx5_port_pcs_low_set(struct sparx5 *sparx5,
bool sgmii = false, inband_aneg = false;
int err;
- if (port->conf.inband) {
+ if (conf->inband) {
if (conf->portmode == PHY_INTERFACE_MODE_SGMII ||
conf->portmode == PHY_INTERFACE_MODE_QSGMII)
inband_aneg = true; /* Cisco-SGMII in-band-aneg */
@@ -948,7 +948,7 @@ int sparx5_port_pcs_set(struct sparx5 *sparx5,
if (err)
return -EINVAL;
- if (port->conf.inband) {
+ if (conf->inband) {
/* Enable/disable 1G counters in ASM */
spx5_rmw(ASM_PORT_CFG_CSC_STAT_DIS_SET(high_speed_dev),
ASM_PORT_CFG_CSC_STAT_DIS,
--
GitLab
From d51dc8dd6ab6f93a894ff8b38d3b8d02c98eb9fb Mon Sep 17 00:00:00 2001
From: Gerd Bayer <gbayer@linux.ibm.com>
Date: Tue, 9 Apr 2024 13:37:53 +0200
Subject: [PATCH 2436/2686] Revert "s390/ism: fix receive message buffer
allocation"
This reverts commit 58effa3476536215530c9ec4910ffc981613b413.
Review was not finished on this patch. So it's not ready for
upstreaming.
Signed-off-by: Gerd Bayer <gbayer@linux.ibm.com>
Link: https://lore.kernel.org/r/20240409113753.2181368-1-gbayer@linux.ibm.com
Fixes: 58effa347653 ("s390/ism: fix receive message buffer allocation")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/s390/net/ism_drv.c | 38 +++++++++-----------------------------
1 file changed, 9 insertions(+), 29 deletions(-)
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
index affb05521e146..2c8e964425dc3 100644
--- a/drivers/s390/net/ism_drv.c
+++ b/drivers/s390/net/ism_drv.c
@@ -14,8 +14,6 @@
#include <linux/err.h>
#include <linux/ctype.h>
#include <linux/processor.h>
-#include <linux/dma-mapping.h>
-#include <linux/mm.h>
#include "ism.h"
@@ -294,15 +292,13 @@ static int ism_read_local_gid(struct ism_dev *ism)
static void ism_free_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
{
clear_bit(dmb->sba_idx, ism->sba_bitmap);
- dma_unmap_page(&ism->pdev->dev, dmb->dma_addr, dmb->dmb_len,
- DMA_FROM_DEVICE);
- folio_put(virt_to_folio(dmb->cpu_addr));
+ dma_free_coherent(&ism->pdev->dev, dmb->dmb_len,
+ dmb->cpu_addr, dmb->dma_addr);
}
static int ism_alloc_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
{
unsigned long bit;
- int rc;
if (PAGE_ALIGN(dmb->dmb_len) > dma_get_max_seg_size(&ism->pdev->dev))
return -EINVAL;
@@ -319,30 +315,14 @@ static int ism_alloc_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
test_and_set_bit(dmb->sba_idx, ism->sba_bitmap))
return -EINVAL;
- dmb->cpu_addr =
- folio_address(folio_alloc(GFP_KERNEL | __GFP_NOWARN |
- __GFP_NOMEMALLOC | __GFP_NORETRY,
- get_order(dmb->dmb_len)));
+ dmb->cpu_addr = dma_alloc_coherent(&ism->pdev->dev, dmb->dmb_len,
+ &dmb->dma_addr,
+ GFP_KERNEL | __GFP_NOWARN |
+ __GFP_NOMEMALLOC | __GFP_NORETRY);
+ if (!dmb->cpu_addr)
+ clear_bit(dmb->sba_idx, ism->sba_bitmap);
- if (!dmb->cpu_addr) {
- rc = -ENOMEM;
- goto out_bit;
- }
- dmb->dma_addr = dma_map_page(&ism->pdev->dev,
- virt_to_page(dmb->cpu_addr), 0,
- dmb->dmb_len, DMA_FROM_DEVICE);
- if (dma_mapping_error(&ism->pdev->dev, dmb->dma_addr)) {
- rc = -ENOMEM;
- goto out_free;
- }
-
- return 0;
-
-out_free:
- kfree(dmb->cpu_addr);
-out_bit:
- clear_bit(dmb->sba_idx, ism->sba_bitmap);
- return rc;
+ return dmb->cpu_addr ? 0 : -ENOMEM;
}
int ism_register_dmb(struct ism_dev *ism, struct ism_dmb *dmb,
--
GitLab
From 17c560113231ddc20088553c7b499b289b664311 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= <arinc.unal@arinc9.com>
Date: Tue, 9 Apr 2024 18:01:14 +0300
Subject: [PATCH 2437/2686] net: dsa: mt7530: trap link-local frames regardless
of ST Port State
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
In Clause 5 of IEEE Std 802-2014, two sublayers of the data link layer
(DLL) of the Open Systems Interconnection basic reference model (OSI/RM)
are described; the medium access control (MAC) and logical link control
(LLC) sublayers. The MAC sublayer is the one facing the physical layer.
In 8.2 of IEEE Std 802.1Q-2022, the Bridge architecture is described. A
Bridge component comprises a MAC Relay Entity for interconnecting the Ports
of the Bridge, at least two Ports, and higher layer entities with at least
a Spanning Tree Protocol Entity included.
Each Bridge Port also functions as an end station and shall provide the MAC
Service to an LLC Entity. Each instance of the MAC Service is provided to a
distinct LLC Entity that supports protocol identification, multiplexing,
and demultiplexing, for protocol data unit (PDU) transmission and reception
by one or more higher layer entities.
It is described in 8.13.9 of IEEE Std 802.1Q-2022 that in a Bridge, the LLC
Entity associated with each Bridge Port is modeled as being directly
connected to the attached Local Area Network (LAN).
On the switch with CPU port architecture, CPU port functions as Management
Port, and the Management Port functionality is provided by software which
functions as an end station. Software is connected to an IEEE 802 LAN that
is wholly contained within the system that incorporates the Bridge.
Software provides access to the LLC Entity associated with each Bridge Port
by the value of the source port field on the special tag on the frame
received by software.
We call frames that carry control information to determine the active
topology and current extent of each Virtual Local Area Network (VLAN),
i.e., spanning tree or Shortest Path Bridging (SPB) and Multiple VLAN
Registration Protocol Data Units (MVRPDUs), and frames from other link
constrained protocols, such as Extensible Authentication Protocol over LAN
(EAPOL) and Link Layer Discovery Protocol (LLDP), link-local frames. They
are not forwarded by a Bridge. Permanently configured entries in the
filtering database (FDB) ensure that such frames are discarded by the
Forwarding Process. In 8.6.3 of IEEE Std 802.1Q-2022, this is described in
detail:
Each of the reserved MAC addresses specified in Table 8-1
(01-80-C2-00-00-[00,01,02,03,04,05,06,07,08,09,0A,0B,0C,0D,0E,0F]) shall be
permanently configured in the FDB in C-VLAN components and ERs.
Each of the reserved MAC addresses specified in Table 8-2
(01-80-C2-00-00-[01,02,03,04,05,06,07,08,09,0A,0E]) shall be permanently
configured in the FDB in S-VLAN components.
Each of the reserved MAC addresses specified in Table 8-3
(01-80-C2-00-00-[01,02,04,0E]) shall be permanently configured in the FDB
in TPMR components.
The FDB entries for reserved MAC addresses shall specify filtering for all
Bridge Ports and all VIDs. Management shall not provide the capability to
modify or remove entries for reserved MAC addresses.
The addresses in Table 8-1, Table 8-2, and Table 8-3 determine the scope of
propagation of PDUs within a Bridged Network, as follows:
The Nearest Bridge group address (01-80-C2-00-00-0E) is an address that
no conformant Two-Port MAC Relay (TPMR) component, Service VLAN (S-VLAN)
component, Customer VLAN (C-VLAN) component, or MAC Bridge can forward.
PDUs transmitted using this destination address, or any other addresses
that appear in Table 8-1, Table 8-2, and Table 8-3
(01-80-C2-00-00-[00,01,02,03,04,05,06,07,08,09,0A,0B,0C,0D,0E,0F]), can
therefore travel no further than those stations that can be reached via a
single individual LAN from the originating station.
The Nearest non-TPMR Bridge group address (01-80-C2-00-00-03), is an
address that no conformant S-VLAN component, C-VLAN component, or MAC
Bridge can forward; however, this address is relayed by a TPMR component.
PDUs using this destination address, or any of the other addresses that
appear in both Table 8-1 and Table 8-2 but not in Table 8-3
(01-80-C2-00-00-[00,03,05,06,07,08,09,0A,0B,0C,0D,0F]), will be relayed
by any TPMRs but will propagate no further than the nearest S-VLAN
component, C-VLAN component, or MAC Bridge.
The Nearest Customer Bridge group address (01-80-C2-00-00-00) is an
address that no conformant C-VLAN component, MAC Bridge can forward;
however, it is relayed by TPMR components and S-VLAN components. PDUs
using this destination address, or any of the other addresses that appear
in Table 8-1 but not in either Table 8-2 or Table 8-3
(01-80-C2-00-00-[00,0B,0C,0D,0F]), will be relayed by TPMR components and
S-VLAN components but will propagate no further than the nearest C-VLAN
component or MAC Bridge.
Because the LLC Entity associated with each Bridge Port is provided via CPU
port, we must not filter these frames but forward them to CPU port.
In a Bridge, the transmission Port is majorly decided by ingress and egress
rules, FDB, and spanning tree Port State functions of the Forwarding
Process. For link-local frames, only CPU port should be designated as
destination port in the FDB, and the other functions of the Forwarding
Process must not interfere with the decision of the transmission Port. We
call this process trapping frames to CPU port.
Therefore, on the switch with CPU port architecture, link-local frames must
be trapped to CPU port, and certain link-local frames received by a Port of
a Bridge comprising a TPMR component or an S-VLAN component must be
excluded from it.
A Bridge of the switch with CPU port architecture cannot comprise a
Two-Port MAC Relay (TPMR) component as a TPMR component supports only a
subset of the functionality of a MAC Bridge. A Bridge comprising two Ports
(Management Port doesn't count) of this architecture will either function
as a standard MAC Bridge or a standard VLAN Bridge.
Therefore, a Bridge of this architecture can only comprise S-VLAN
components, C-VLAN components, or MAC Bridge components. Since there's no
TPMR component, we don't need to relay PDUs using the destination addresses
specified on the Nearest non-TPMR section, and the proportion of the
Nearest Customer Bridge section where they must be relayed by TPMR
components.
One option to trap link-local frames to CPU port is to add static FDB
entries with CPU port designated as destination port. However, because that
Independent VLAN Learning (IVL) is being used on every VID, each entry only
applies to a single VLAN Identifier (VID). For a Bridge comprising a MAC
Bridge component or a C-VLAN component, there would have to be 16 times
4096 entries. This switch intellectual property can only hold a maximum of
2048 entries. Using this option, there also isn't a mechanism to prevent
link-local frames from being discarded when the spanning tree Port State of
the reception Port is discarding.
The remaining option is to utilise the BPC, RGAC1, RGAC2, RGAC3, and RGAC4
registers. Whilst this applies to every VID, it doesn't contain all of the
reserved MAC addresses without affecting the remaining Standard Group MAC
Addresses. The REV_UN frame tag utilised using the RGAC4 register covers
the remaining 01-80-C2-00-00-[04,05,06,07,08,09,0A,0B,0C,0D,0F] destination
addresses. It also includes the 01-80-C2-00-00-22 to 01-80-C2-00-00-FF
destination addresses which may be relayed by MAC Bridges or VLAN Bridges.
The latter option provides better but not complete conformance.
This switch intellectual property also does not provide a mechanism to trap
link-local frames with specific destination addresses to CPU port by
Bridge, to conform to the filtering rules for the distinct Bridge
components.
Therefore, regardless of the type of the Bridge component, link-local
frames with these destination addresses will be trapped to CPU port:
01-80-C2-00-00-[00,01,02,03,0E]
In a Bridge comprising a MAC Bridge component or a C-VLAN component:
Link-local frames with these destination addresses won't be trapped to
CPU port which won't conform to IEEE Std 802.1Q-2022:
01-80-C2-00-00-[04,05,06,07,08,09,0A,0B,0C,0D,0F]
In a Bridge comprising an S-VLAN component:
Link-local frames with these destination addresses will be trapped to CPU
port which won't conform to IEEE Std 802.1Q-2022:
01-80-C2-00-00-00
Link-local frames with these destination addresses won't be trapped to
CPU port which won't conform to IEEE Std 802.1Q-2022:
01-80-C2-00-00-[04,05,06,07,08,09,0A]
Currently on this switch intellectual property, if the spanning tree Port
State of the reception Port is discarding, link-local frames will be
discarded.
To trap link-local frames regardless of the spanning tree Port State, make
the switch regard them as Bridge Protocol Data Units (BPDUs). This switch
intellectual property only lets the frames regarded as BPDUs bypass the
spanning tree Port State function of the Forwarding Process.
With this change, the only remaining interference is the ingress rules.
When the reception Port has no PVID assigned on software, VLAN-untagged
frames won't be allowed in. There doesn't seem to be a mechanism on the
switch intellectual property to have link-local frames bypass this function
of the Forwarding Process.
Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/20240409-b4-for-net-mt7530-fix-link-local-when-stp-discarding-v2-1-07b1150164ac@arinc9.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/dsa/mt7530.c | 229 +++++++++++++++++++++++++++++++++------
drivers/net/dsa/mt7530.h | 5 +
2 files changed, 200 insertions(+), 34 deletions(-)
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 451ff0620c2e1..c0d0bce0b5942 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -950,20 +950,173 @@ static void mt7530_setup_port5(struct dsa_switch *ds, phy_interface_t interface)
mutex_unlock(&priv->reg_mutex);
}
-/* On page 205, section "8.6.3 Frame filtering" of the active standard, IEEE Std
- * 802.1Qâ„¢-2022, it is stated that frames with 01:80:C2:00:00:00-0F as MAC DA
- * must only be propagated to C-VLAN and MAC Bridge components. That means
- * VLAN-aware and VLAN-unaware bridges. On the switch designs with CPU ports,
- * these frames are supposed to be processed by the CPU (software). So we make
- * the switch only forward them to the CPU port. And if received from a CPU
- * port, forward to a single port. The software is responsible of making the
- * switch conform to the latter by setting a single port as destination port on
- * the special tag.
+/* In Clause 5 of IEEE Std 802-2014, two sublayers of the data link layer (DLL)
+ * of the Open Systems Interconnection basic reference model (OSI/RM) are
+ * described; the medium access control (MAC) and logical link control (LLC)
+ * sublayers. The MAC sublayer is the one facing the physical layer.
*
- * This switch intellectual property cannot conform to this part of the standard
- * fully. Whilst the REV_UN frame tag covers the remaining :04-0D and :0F MAC
- * DAs, it also includes :22-FF which the scope of propagation is not supposed
- * to be restricted for these MAC DAs.
+ * In 8.2 of IEEE Std 802.1Q-2022, the Bridge architecture is described. A
+ * Bridge component comprises a MAC Relay Entity for interconnecting the Ports
+ * of the Bridge, at least two Ports, and higher layer entities with at least a
+ * Spanning Tree Protocol Entity included.
+ *
+ * Each Bridge Port also functions as an end station and shall provide the MAC
+ * Service to an LLC Entity. Each instance of the MAC Service is provided to a
+ * distinct LLC Entity that supports protocol identification, multiplexing, and
+ * demultiplexing, for protocol data unit (PDU) transmission and reception by
+ * one or more higher layer entities.
+ *
+ * It is described in 8.13.9 of IEEE Std 802.1Q-2022 that in a Bridge, the LLC
+ * Entity associated with each Bridge Port is modeled as being directly
+ * connected to the attached Local Area Network (LAN).
+ *
+ * On the switch with CPU port architecture, CPU port functions as Management
+ * Port, and the Management Port functionality is provided by software which
+ * functions as an end station. Software is connected to an IEEE 802 LAN that is
+ * wholly contained within the system that incorporates the Bridge. Software
+ * provides access to the LLC Entity associated with each Bridge Port by the
+ * value of the source port field on the special tag on the frame received by
+ * software.
+ *
+ * We call frames that carry control information to determine the active
+ * topology and current extent of each Virtual Local Area Network (VLAN), i.e.,
+ * spanning tree or Shortest Path Bridging (SPB) and Multiple VLAN Registration
+ * Protocol Data Units (MVRPDUs), and frames from other link constrained
+ * protocols, such as Extensible Authentication Protocol over LAN (EAPOL) and
+ * Link Layer Discovery Protocol (LLDP), link-local frames. They are not
+ * forwarded by a Bridge. Permanently configured entries in the filtering
+ * database (FDB) ensure that such frames are discarded by the Forwarding
+ * Process. In 8.6.3 of IEEE Std 802.1Q-2022, this is described in detail:
+ *
+ * Each of the reserved MAC addresses specified in Table 8-1
+ * (01-80-C2-00-00-[00,01,02,03,04,05,06,07,08,09,0A,0B,0C,0D,0E,0F]) shall be
+ * permanently configured in the FDB in C-VLAN components and ERs.
+ *
+ * Each of the reserved MAC addresses specified in Table 8-2
+ * (01-80-C2-00-00-[01,02,03,04,05,06,07,08,09,0A,0E]) shall be permanently
+ * configured in the FDB in S-VLAN components.
+ *
+ * Each of the reserved MAC addresses specified in Table 8-3
+ * (01-80-C2-00-00-[01,02,04,0E]) shall be permanently configured in the FDB in
+ * TPMR components.
+ *
+ * The FDB entries for reserved MAC addresses shall specify filtering for all
+ * Bridge Ports and all VIDs. Management shall not provide the capability to
+ * modify or remove entries for reserved MAC addresses.
+ *
+ * The addresses in Table 8-1, Table 8-2, and Table 8-3 determine the scope of
+ * propagation of PDUs within a Bridged Network, as follows:
+ *
+ * The Nearest Bridge group address (01-80-C2-00-00-0E) is an address that no
+ * conformant Two-Port MAC Relay (TPMR) component, Service VLAN (S-VLAN)
+ * component, Customer VLAN (C-VLAN) component, or MAC Bridge can forward.
+ * PDUs transmitted using this destination address, or any other addresses
+ * that appear in Table 8-1, Table 8-2, and Table 8-3
+ * (01-80-C2-00-00-[00,01,02,03,04,05,06,07,08,09,0A,0B,0C,0D,0E,0F]), can
+ * therefore travel no further than those stations that can be reached via a
+ * single individual LAN from the originating station.
+ *
+ * The Nearest non-TPMR Bridge group address (01-80-C2-00-00-03), is an
+ * address that no conformant S-VLAN component, C-VLAN component, or MAC
+ * Bridge can forward; however, this address is relayed by a TPMR component.
+ * PDUs using this destination address, or any of the other addresses that
+ * appear in both Table 8-1 and Table 8-2 but not in Table 8-3
+ * (01-80-C2-00-00-[00,03,05,06,07,08,09,0A,0B,0C,0D,0F]), will be relayed by
+ * any TPMRs but will propagate no further than the nearest S-VLAN component,
+ * C-VLAN component, or MAC Bridge.
+ *
+ * The Nearest Customer Bridge group address (01-80-C2-00-00-00) is an address
+ * that no conformant C-VLAN component, MAC Bridge can forward; however, it is
+ * relayed by TPMR components and S-VLAN components. PDUs using this
+ * destination address, or any of the other addresses that appear in Table 8-1
+ * but not in either Table 8-2 or Table 8-3 (01-80-C2-00-00-[00,0B,0C,0D,0F]),
+ * will be relayed by TPMR components and S-VLAN components but will propagate
+ * no further than the nearest C-VLAN component or MAC Bridge.
+ *
+ * Because the LLC Entity associated with each Bridge Port is provided via CPU
+ * port, we must not filter these frames but forward them to CPU port.
+ *
+ * In a Bridge, the transmission Port is majorly decided by ingress and egress
+ * rules, FDB, and spanning tree Port State functions of the Forwarding Process.
+ * For link-local frames, only CPU port should be designated as destination port
+ * in the FDB, and the other functions of the Forwarding Process must not
+ * interfere with the decision of the transmission Port. We call this process
+ * trapping frames to CPU port.
+ *
+ * Therefore, on the switch with CPU port architecture, link-local frames must
+ * be trapped to CPU port, and certain link-local frames received by a Port of a
+ * Bridge comprising a TPMR component or an S-VLAN component must be excluded
+ * from it.
+ *
+ * A Bridge of the switch with CPU port architecture cannot comprise a Two-Port
+ * MAC Relay (TPMR) component as a TPMR component supports only a subset of the
+ * functionality of a MAC Bridge. A Bridge comprising two Ports (Management Port
+ * doesn't count) of this architecture will either function as a standard MAC
+ * Bridge or a standard VLAN Bridge.
+ *
+ * Therefore, a Bridge of this architecture can only comprise S-VLAN components,
+ * C-VLAN components, or MAC Bridge components. Since there's no TPMR component,
+ * we don't need to relay PDUs using the destination addresses specified on the
+ * Nearest non-TPMR section, and the proportion of the Nearest Customer Bridge
+ * section where they must be relayed by TPMR components.
+ *
+ * One option to trap link-local frames to CPU port is to add static FDB entries
+ * with CPU port designated as destination port. However, because that
+ * Independent VLAN Learning (IVL) is being used on every VID, each entry only
+ * applies to a single VLAN Identifier (VID). For a Bridge comprising a MAC
+ * Bridge component or a C-VLAN component, there would have to be 16 times 4096
+ * entries. This switch intellectual property can only hold a maximum of 2048
+ * entries. Using this option, there also isn't a mechanism to prevent
+ * link-local frames from being discarded when the spanning tree Port State of
+ * the reception Port is discarding.
+ *
+ * The remaining option is to utilise the BPC, RGAC1, RGAC2, RGAC3, and RGAC4
+ * registers. Whilst this applies to every VID, it doesn't contain all of the
+ * reserved MAC addresses without affecting the remaining Standard Group MAC
+ * Addresses. The REV_UN frame tag utilised using the RGAC4 register covers the
+ * remaining 01-80-C2-00-00-[04,05,06,07,08,09,0A,0B,0C,0D,0F] destination
+ * addresses. It also includes the 01-80-C2-00-00-22 to 01-80-C2-00-00-FF
+ * destination addresses which may be relayed by MAC Bridges or VLAN Bridges.
+ * The latter option provides better but not complete conformance.
+ *
+ * This switch intellectual property also does not provide a mechanism to trap
+ * link-local frames with specific destination addresses to CPU port by Bridge,
+ * to conform to the filtering rules for the distinct Bridge components.
+ *
+ * Therefore, regardless of the type of the Bridge component, link-local frames
+ * with these destination addresses will be trapped to CPU port:
+ *
+ * 01-80-C2-00-00-[00,01,02,03,0E]
+ *
+ * In a Bridge comprising a MAC Bridge component or a C-VLAN component:
+ *
+ * Link-local frames with these destination addresses won't be trapped to CPU
+ * port which won't conform to IEEE Std 802.1Q-2022:
+ *
+ * 01-80-C2-00-00-[04,05,06,07,08,09,0A,0B,0C,0D,0F]
+ *
+ * In a Bridge comprising an S-VLAN component:
+ *
+ * Link-local frames with these destination addresses will be trapped to CPU
+ * port which won't conform to IEEE Std 802.1Q-2022:
+ *
+ * 01-80-C2-00-00-00
+ *
+ * Link-local frames with these destination addresses won't be trapped to CPU
+ * port which won't conform to IEEE Std 802.1Q-2022:
+ *
+ * 01-80-C2-00-00-[04,05,06,07,08,09,0A]
+ *
+ * To trap link-local frames to CPU port as conformant as this switch
+ * intellectual property can allow, link-local frames are made to be regarded as
+ * Bridge Protocol Data Units (BPDUs). This is because this switch intellectual
+ * property only lets the frames regarded as BPDUs bypass the spanning tree Port
+ * State function of the Forwarding Process.
+ *
+ * The only remaining interference is the ingress rules. When the reception Port
+ * has no PVID assigned on software, VLAN-untagged frames won't be allowed in.
+ * There doesn't seem to be a mechanism on the switch intellectual property to
+ * have link-local frames bypass this function of the Forwarding Process.
*/
static void
mt753x_trap_frames(struct mt7530_priv *priv)
@@ -971,35 +1124,43 @@ mt753x_trap_frames(struct mt7530_priv *priv)
/* Trap 802.1X PAE frames and BPDUs to the CPU port(s) and egress them
* VLAN-untagged.
*/
- mt7530_rmw(priv, MT753X_BPC, MT753X_PAE_EG_TAG_MASK |
- MT753X_PAE_PORT_FW_MASK | MT753X_BPDU_EG_TAG_MASK |
- MT753X_BPDU_PORT_FW_MASK,
- MT753X_PAE_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
- MT753X_PAE_PORT_FW(MT753X_BPDU_CPU_ONLY) |
- MT753X_BPDU_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
- MT753X_BPDU_CPU_ONLY);
+ mt7530_rmw(priv, MT753X_BPC,
+ MT753X_PAE_BPDU_FR | MT753X_PAE_EG_TAG_MASK |
+ MT753X_PAE_PORT_FW_MASK | MT753X_BPDU_EG_TAG_MASK |
+ MT753X_BPDU_PORT_FW_MASK,
+ MT753X_PAE_BPDU_FR |
+ MT753X_PAE_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+ MT753X_PAE_PORT_FW(MT753X_BPDU_CPU_ONLY) |
+ MT753X_BPDU_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+ MT753X_BPDU_CPU_ONLY);
/* Trap frames with :01 and :02 MAC DAs to the CPU port(s) and egress
* them VLAN-untagged.
*/
- mt7530_rmw(priv, MT753X_RGAC1, MT753X_R02_EG_TAG_MASK |
- MT753X_R02_PORT_FW_MASK | MT753X_R01_EG_TAG_MASK |
- MT753X_R01_PORT_FW_MASK,
- MT753X_R02_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
- MT753X_R02_PORT_FW(MT753X_BPDU_CPU_ONLY) |
- MT753X_R01_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
- MT753X_BPDU_CPU_ONLY);
+ mt7530_rmw(priv, MT753X_RGAC1,
+ MT753X_R02_BPDU_FR | MT753X_R02_EG_TAG_MASK |
+ MT753X_R02_PORT_FW_MASK | MT753X_R01_BPDU_FR |
+ MT753X_R01_EG_TAG_MASK | MT753X_R01_PORT_FW_MASK,
+ MT753X_R02_BPDU_FR |
+ MT753X_R02_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+ MT753X_R02_PORT_FW(MT753X_BPDU_CPU_ONLY) |
+ MT753X_R01_BPDU_FR |
+ MT753X_R01_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+ MT753X_BPDU_CPU_ONLY);
/* Trap frames with :03 and :0E MAC DAs to the CPU port(s) and egress
* them VLAN-untagged.
*/
- mt7530_rmw(priv, MT753X_RGAC2, MT753X_R0E_EG_TAG_MASK |
- MT753X_R0E_PORT_FW_MASK | MT753X_R03_EG_TAG_MASK |
- MT753X_R03_PORT_FW_MASK,
- MT753X_R0E_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
- MT753X_R0E_PORT_FW(MT753X_BPDU_CPU_ONLY) |
- MT753X_R03_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
- MT753X_BPDU_CPU_ONLY);
+ mt7530_rmw(priv, MT753X_RGAC2,
+ MT753X_R0E_BPDU_FR | MT753X_R0E_EG_TAG_MASK |
+ MT753X_R0E_PORT_FW_MASK | MT753X_R03_BPDU_FR |
+ MT753X_R03_EG_TAG_MASK | MT753X_R03_PORT_FW_MASK,
+ MT753X_R0E_BPDU_FR |
+ MT753X_R0E_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+ MT753X_R0E_PORT_FW(MT753X_BPDU_CPU_ONLY) |
+ MT753X_R03_BPDU_FR |
+ MT753X_R03_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
+ MT753X_BPDU_CPU_ONLY);
}
static void
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index 9439db4950015..585db03c05487 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -65,6 +65,7 @@ enum mt753x_id {
/* Registers for BPDU and PAE frame control*/
#define MT753X_BPC 0x24
+#define MT753X_PAE_BPDU_FR BIT(25)
#define MT753X_PAE_EG_TAG_MASK GENMASK(24, 22)
#define MT753X_PAE_EG_TAG(x) FIELD_PREP(MT753X_PAE_EG_TAG_MASK, x)
#define MT753X_PAE_PORT_FW_MASK GENMASK(18, 16)
@@ -75,20 +76,24 @@ enum mt753x_id {
/* Register for :01 and :02 MAC DA frame control */
#define MT753X_RGAC1 0x28
+#define MT753X_R02_BPDU_FR BIT(25)
#define MT753X_R02_EG_TAG_MASK GENMASK(24, 22)
#define MT753X_R02_EG_TAG(x) FIELD_PREP(MT753X_R02_EG_TAG_MASK, x)
#define MT753X_R02_PORT_FW_MASK GENMASK(18, 16)
#define MT753X_R02_PORT_FW(x) FIELD_PREP(MT753X_R02_PORT_FW_MASK, x)
+#define MT753X_R01_BPDU_FR BIT(9)
#define MT753X_R01_EG_TAG_MASK GENMASK(8, 6)
#define MT753X_R01_EG_TAG(x) FIELD_PREP(MT753X_R01_EG_TAG_MASK, x)
#define MT753X_R01_PORT_FW_MASK GENMASK(2, 0)
/* Register for :03 and :0E MAC DA frame control */
#define MT753X_RGAC2 0x2c
+#define MT753X_R0E_BPDU_FR BIT(25)
#define MT753X_R0E_EG_TAG_MASK GENMASK(24, 22)
#define MT753X_R0E_EG_TAG(x) FIELD_PREP(MT753X_R0E_EG_TAG_MASK, x)
#define MT753X_R0E_PORT_FW_MASK GENMASK(18, 16)
#define MT753X_R0E_PORT_FW(x) FIELD_PREP(MT753X_R0E_PORT_FW_MASK, x)
+#define MT753X_R03_BPDU_FR BIT(9)
#define MT753X_R03_EG_TAG_MASK GENMASK(8, 6)
#define MT753X_R03_EG_TAG(x) FIELD_PREP(MT753X_R03_EG_TAG_MASK, x)
#define MT753X_R03_PORT_FW_MASK GENMASK(2, 0)
--
GitLab
From 47d8ac011fe1c9251070e1bd64cb10b48193ec51 Mon Sep 17 00:00:00 2001
From: Michal Luczaj <mhal@rbox.co>
Date: Tue, 9 Apr 2024 22:09:39 +0200
Subject: [PATCH 2438/2686] af_unix: Fix garbage collector racing against
connect()
Garbage collector does not take into account the risk of embryo getting
enqueued during the garbage collection. If such embryo has a peer that
carries SCM_RIGHTS, two consecutive passes of scan_children() may see a
different set of children. Leading to an incorrectly elevated inflight
count, and then a dangling pointer within the gc_inflight_list.
sockets are AF_UNIX/SOCK_STREAM
S is an unconnected socket
L is a listening in-flight socket bound to addr, not in fdtable
V's fd will be passed via sendmsg(), gets inflight count bumped
connect(S, addr) sendmsg(S, [V]); close(V) __unix_gc()
---------------- ------------------------- -----------
NS = unix_create1()
skb1 = sock_wmalloc(NS)
L = unix_find_other(addr)
unix_state_lock(L)
unix_peer(S) = NS
// V count=1 inflight=0
NS = unix_peer(S)
skb2 = sock_alloc()
skb_queue_tail(NS, skb2[V])
// V became in-flight
// V count=2 inflight=1
close(V)
// V count=1 inflight=1
// GC candidate condition met
for u in gc_inflight_list:
if (total_refs == inflight_refs)
add u to gc_candidates
// gc_candidates={L, V}
for u in gc_candidates:
scan_children(u, dec_inflight)
// embryo (skb1) was not
// reachable from L yet, so V's
// inflight remains unchanged
__skb_queue_tail(L, skb1)
unix_state_unlock(L)
for u in gc_candidates:
if (u.inflight)
scan_children(u, inc_inflight_move_tail)
// V count=1 inflight=2 (!)
If there is a GC-candidate listening socket, lock/unlock its state. This
makes GC wait until the end of any ongoing connect() to that socket. After
flipping the lock, a possibly SCM-laden embryo is already enqueued. And if
there is another embryo coming, it can not possibly carry SCM_RIGHTS. At
this point, unix_inflight() can not happen because unix_gc_lock is already
taken. Inflight graph remains unaffected.
Fixes: 1fd05ba5a2f2 ("[AF_UNIX]: Rewrite garbage collector, fixes race.")
Signed-off-by: Michal Luczaj <mhal@rbox.co>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240409201047.1032217-1-mhal@rbox.co
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
net/unix/garbage.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index fa39b62652385..6433a414acf86 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -274,11 +274,22 @@ static void __unix_gc(struct work_struct *work)
* receive queues. Other, non candidate sockets _can_ be
* added to queue, so we must make sure only to touch
* candidates.
+ *
+ * Embryos, though never candidates themselves, affect which
+ * candidates are reachable by the garbage collector. Before
+ * being added to a listener's queue, an embryo may already
+ * receive data carrying SCM_RIGHTS, potentially making the
+ * passed socket a candidate that is not yet reachable by the
+ * collector. It becomes reachable once the embryo is
+ * enqueued. Therefore, we must ensure that no SCM-laden
+ * embryo appears in a (candidate) listener's queue between
+ * consecutive scan_children() calls.
*/
list_for_each_entry_safe(u, next, &gc_inflight_list, link) {
+ struct sock *sk = &u->sk;
long total_refs;
- total_refs = file_count(u->sk.sk_socket->file);
+ total_refs = file_count(sk->sk_socket->file);
WARN_ON_ONCE(!u->inflight);
WARN_ON_ONCE(total_refs < u->inflight);
@@ -286,6 +297,11 @@ static void __unix_gc(struct work_struct *work)
list_move_tail(&u->link, &gc_candidates);
__set_bit(UNIX_GC_CANDIDATE, &u->gc_flags);
__set_bit(UNIX_GC_MAYBE_CYCLE, &u->gc_flags);
+
+ if (sk->sk_state == TCP_LISTEN) {
+ unix_state_lock(sk);
+ unix_state_unlock(sk);
+ }
}
}
--
GitLab
From dfe648903f42296866d79f10d03f8c85c9dfba30 Mon Sep 17 00:00:00 2001
From: Josh Poimboeuf <jpoimboe@kernel.org>
Date: Wed, 10 Apr 2024 22:40:45 -0700
Subject: [PATCH 2439/2686] x86/bugs: Fix BHI documentation
Fix up some inaccuracies in the BHI documentation.
Fixes: ec9404e40e8f ("x86/bhi: Add BHI mitigation knob")
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/8c84f7451bfe0dd08543c6082a383f390d4aa7e2.1712813475.git.jpoimboe@kernel.org
---
Documentation/admin-guide/hw-vuln/spectre.rst | 15 ++++++++-------
Documentation/admin-guide/kernel-parameters.txt | 12 +++++++-----
2 files changed, 15 insertions(+), 12 deletions(-)
diff --git a/Documentation/admin-guide/hw-vuln/spectre.rst b/Documentation/admin-guide/hw-vuln/spectre.rst
index b70b1d8bd8e65..3cf18e4a1d9ab 100644
--- a/Documentation/admin-guide/hw-vuln/spectre.rst
+++ b/Documentation/admin-guide/hw-vuln/spectre.rst
@@ -439,11 +439,11 @@ The possible values in this file are:
- System is protected by retpoline
* - BHI: BHI_DIS_S
- System is protected by BHI_DIS_S
- * - BHI: SW loop; KVM SW loop
+ * - BHI: SW loop, KVM SW loop
- System is protected by software clearing sequence
* - BHI: Syscall hardening
- Syscalls are hardened against BHI
- * - BHI: Syscall hardening; KVM: SW loop
+ * - BHI: Syscall hardening, KVM: SW loop
- System is protected from userspace attacks by syscall hardening; KVM is protected by software clearing sequence
Full mitigation might require a microcode update from the CPU
@@ -666,13 +666,14 @@ kernel command line.
of the HW BHI control and the SW BHB clearing sequence.
on
- unconditionally enable.
+ (default) Enable the HW or SW mitigation as
+ needed.
off
- unconditionally disable.
+ Disable the mitigation.
auto
- enable if hardware mitigation
- control(BHI_DIS_S) is available, otherwise
- enable alternate mitigation in KVM.
+ Enable the HW mitigation if needed, but
+ *don't* enable the SW mitigation except for KVM.
+ The system may be vulnerable.
For spectre_v2_user see Documentation/admin-guide/kernel-parameters.txt
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 70046a019d42d..a029ad6c4963c 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3444,6 +3444,7 @@
retbleed=off [X86]
spec_rstack_overflow=off [X86]
spec_store_bypass_disable=off [X86,PPC]
+ spectre_bhi=off [X86]
spectre_v2_user=off [X86]
srbds=off [X86,INTEL]
ssbd=force-off [ARM64]
@@ -6069,11 +6070,12 @@
deployment of the HW BHI control and the SW BHB
clearing sequence.
- on - unconditionally enable.
- off - unconditionally disable.
- auto - (default) enable hardware mitigation
- (BHI_DIS_S) if available, otherwise enable
- alternate mitigation in KVM.
+ on - (default) Enable the HW or SW mitigation
+ as needed.
+ off - Disable the mitigation.
+ auto - Enable the HW mitigation if needed, but
+ *don't* enable the SW mitigation except
+ for KVM. The system may be vulnerable.
spectre_v2= [X86,EARLY] Control mitigation of Spectre variant 2
(indirect branch speculation) vulnerability.
--
GitLab
From cb2db5bb04d7f778fbc1a1ea2507aab436f1bff3 Mon Sep 17 00:00:00 2001
From: Josh Poimboeuf <jpoimboe@kernel.org>
Date: Wed, 10 Apr 2024 22:40:46 -0700
Subject: [PATCH 2440/2686] x86/bugs: Cache the value of
MSR_IA32_ARCH_CAPABILITIES
There's no need to keep reading MSR_IA32_ARCH_CAPABILITIES over and
over. It's even read in the BHI sysfs function which is a big no-no.
Just read it once and cache it.
Fixes: ec9404e40e8f ("x86/bhi: Add BHI mitigation knob")
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/9592a18a814368e75f8f4b9d74d3883aa4fd1eaf.1712813475.git.jpoimboe@kernel.org
---
arch/x86/kernel/cpu/bugs.c | 22 +++++++---------------
1 file changed, 7 insertions(+), 15 deletions(-)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 27f5004a8e24f..ff59fa8bb6109 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -61,6 +61,8 @@ EXPORT_PER_CPU_SYMBOL_GPL(x86_spec_ctrl_current);
u64 x86_pred_cmd __ro_after_init = PRED_CMD_IBPB;
EXPORT_SYMBOL_GPL(x86_pred_cmd);
+static u64 __ro_after_init ia32_cap;
+
static DEFINE_MUTEX(spec_ctrl_mutex);
void (*x86_return_thunk)(void) __ro_after_init = __x86_return_thunk;
@@ -144,6 +146,8 @@ void __init cpu_select_mitigations(void)
x86_spec_ctrl_base &= ~SPEC_CTRL_MITIGATIONS_MASK;
}
+ ia32_cap = x86_read_arch_cap_msr();
+
/* Select the proper CPU mitigations before patching alternatives: */
spectre_v1_select_mitigation();
spectre_v2_select_mitigation();
@@ -301,8 +305,6 @@ static const char * const taa_strings[] = {
static void __init taa_select_mitigation(void)
{
- u64 ia32_cap;
-
if (!boot_cpu_has_bug(X86_BUG_TAA)) {
taa_mitigation = TAA_MITIGATION_OFF;
return;
@@ -341,7 +343,6 @@ static void __init taa_select_mitigation(void)
* On MDS_NO=1 CPUs if ARCH_CAP_TSX_CTRL_MSR is not set, microcode
* update is required.
*/
- ia32_cap = x86_read_arch_cap_msr();
if ( (ia32_cap & ARCH_CAP_MDS_NO) &&
!(ia32_cap & ARCH_CAP_TSX_CTRL_MSR))
taa_mitigation = TAA_MITIGATION_UCODE_NEEDED;
@@ -401,8 +402,6 @@ static const char * const mmio_strings[] = {
static void __init mmio_select_mitigation(void)
{
- u64 ia32_cap;
-
if (!boot_cpu_has_bug(X86_BUG_MMIO_STALE_DATA) ||
boot_cpu_has_bug(X86_BUG_MMIO_UNKNOWN) ||
cpu_mitigations_off()) {
@@ -413,8 +412,6 @@ static void __init mmio_select_mitigation(void)
if (mmio_mitigation == MMIO_MITIGATION_OFF)
return;
- ia32_cap = x86_read_arch_cap_msr();
-
/*
* Enable CPU buffer clear mitigation for host and VMM, if also affected
* by MDS or TAA. Otherwise, enable mitigation for VMM only.
@@ -508,7 +505,7 @@ static void __init rfds_select_mitigation(void)
if (rfds_mitigation == RFDS_MITIGATION_OFF)
return;
- if (x86_read_arch_cap_msr() & ARCH_CAP_RFDS_CLEAR)
+ if (ia32_cap & ARCH_CAP_RFDS_CLEAR)
setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF);
else
rfds_mitigation = RFDS_MITIGATION_UCODE_NEEDED;
@@ -659,8 +656,6 @@ void update_srbds_msr(void)
static void __init srbds_select_mitigation(void)
{
- u64 ia32_cap;
-
if (!boot_cpu_has_bug(X86_BUG_SRBDS))
return;
@@ -669,7 +664,6 @@ static void __init srbds_select_mitigation(void)
* are only exposed to SRBDS when TSX is enabled or when CPU is affected
* by Processor MMIO Stale Data vulnerability.
*/
- ia32_cap = x86_read_arch_cap_msr();
if ((ia32_cap & ARCH_CAP_MDS_NO) && !boot_cpu_has(X86_FEATURE_RTM) &&
!boot_cpu_has_bug(X86_BUG_MMIO_STALE_DATA))
srbds_mitigation = SRBDS_MITIGATION_TSX_OFF;
@@ -813,7 +807,7 @@ static void __init gds_select_mitigation(void)
/* Will verify below that mitigation _can_ be disabled */
/* No microcode */
- if (!(x86_read_arch_cap_msr() & ARCH_CAP_GDS_CTRL)) {
+ if (!(ia32_cap & ARCH_CAP_GDS_CTRL)) {
if (gds_mitigation == GDS_MITIGATION_FORCE) {
/*
* This only needs to be done on the boot CPU so do it
@@ -1908,8 +1902,6 @@ static void update_indir_branch_cond(void)
/* Update the static key controlling the MDS CPU buffer clear in idle */
static void update_mds_branch_idle(void)
{
- u64 ia32_cap = x86_read_arch_cap_msr();
-
/*
* Enable the idle clearing if SMT is active on CPUs which are
* affected only by MSBDS and not any other MDS variant.
@@ -2818,7 +2810,7 @@ static const char *spectre_bhi_state(void)
else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP))
return "; BHI: SW loop, KVM: SW loop";
else if (boot_cpu_has(X86_FEATURE_RETPOLINE) &&
- !(x86_read_arch_cap_msr() & ARCH_CAP_RRSBA))
+ !(ia32_cap & ARCH_CAP_RRSBA))
return "; BHI: Retpoline";
else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT))
return "; BHI: Syscall hardening, KVM: SW loop";
--
GitLab
From d0485730d2189ffe5d986d4e9e191f1e4d5ffd24 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@kernel.org>
Date: Thu, 11 Apr 2024 09:25:36 +0200
Subject: [PATCH 2441/2686] x86/bugs: Rename various 'ia32_cap' variables to
'x86_arch_cap_msr'
So we are using the 'ia32_cap' value in a number of places,
which got its name from MSR_IA32_ARCH_CAPABILITIES MSR register.
But there's very little 'IA32' about it - this isn't 32-bit only
code, nor does it originate from there, it's just a historic
quirk that many Intel MSR names are prefixed with IA32_.
This is already clear from the helper method around the MSR:
x86_read_arch_cap_msr(), which doesn't have the IA32 prefix.
So rename 'ia32_cap' to 'x86_arch_cap_msr' to be consistent with
its role and with the naming of the helper function.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Nikolay Borisov <nik.borisov@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/9592a18a814368e75f8f4b9d74d3883aa4fd1eaf.1712813475.git.jpoimboe@kernel.org
---
arch/x86/kernel/apic/apic.c | 6 ++---
arch/x86/kernel/cpu/bugs.c | 30 +++++++++++-----------
arch/x86/kernel/cpu/common.c | 48 ++++++++++++++++++------------------
3 files changed, 42 insertions(+), 42 deletions(-)
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index a42d8a6f71495..c342c4aa9c684 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1687,11 +1687,11 @@ static int x2apic_state;
static bool x2apic_hw_locked(void)
{
- u64 ia32_cap;
+ u64 x86_arch_cap_msr;
u64 msr;
- ia32_cap = x86_read_arch_cap_msr();
- if (ia32_cap & ARCH_CAP_XAPIC_DISABLE) {
+ x86_arch_cap_msr = x86_read_arch_cap_msr();
+ if (x86_arch_cap_msr & ARCH_CAP_XAPIC_DISABLE) {
rdmsrl(MSR_IA32_XAPIC_DISABLE_STATUS, msr);
return (msr & LEGACY_XAPIC_DISABLED);
}
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index ff59fa8bb6109..1b0cfc1364324 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -61,7 +61,7 @@ EXPORT_PER_CPU_SYMBOL_GPL(x86_spec_ctrl_current);
u64 x86_pred_cmd __ro_after_init = PRED_CMD_IBPB;
EXPORT_SYMBOL_GPL(x86_pred_cmd);
-static u64 __ro_after_init ia32_cap;
+static u64 __ro_after_init x86_arch_cap_msr;
static DEFINE_MUTEX(spec_ctrl_mutex);
@@ -146,7 +146,7 @@ void __init cpu_select_mitigations(void)
x86_spec_ctrl_base &= ~SPEC_CTRL_MITIGATIONS_MASK;
}
- ia32_cap = x86_read_arch_cap_msr();
+ x86_arch_cap_msr = x86_read_arch_cap_msr();
/* Select the proper CPU mitigations before patching alternatives: */
spectre_v1_select_mitigation();
@@ -343,8 +343,8 @@ static void __init taa_select_mitigation(void)
* On MDS_NO=1 CPUs if ARCH_CAP_TSX_CTRL_MSR is not set, microcode
* update is required.
*/
- if ( (ia32_cap & ARCH_CAP_MDS_NO) &&
- !(ia32_cap & ARCH_CAP_TSX_CTRL_MSR))
+ if ( (x86_arch_cap_msr & ARCH_CAP_MDS_NO) &&
+ !(x86_arch_cap_msr & ARCH_CAP_TSX_CTRL_MSR))
taa_mitigation = TAA_MITIGATION_UCODE_NEEDED;
/*
@@ -434,7 +434,7 @@ static void __init mmio_select_mitigation(void)
* be propagated to uncore buffers, clearing the Fill buffers on idle
* is required irrespective of SMT state.
*/
- if (!(ia32_cap & ARCH_CAP_FBSDP_NO))
+ if (!(x86_arch_cap_msr & ARCH_CAP_FBSDP_NO))
static_branch_enable(&mds_idle_clear);
/*
@@ -444,10 +444,10 @@ static void __init mmio_select_mitigation(void)
* FB_CLEAR or by the presence of both MD_CLEAR and L1D_FLUSH on MDS
* affected systems.
*/
- if ((ia32_cap & ARCH_CAP_FB_CLEAR) ||
+ if ((x86_arch_cap_msr & ARCH_CAP_FB_CLEAR) ||
(boot_cpu_has(X86_FEATURE_MD_CLEAR) &&
boot_cpu_has(X86_FEATURE_FLUSH_L1D) &&
- !(ia32_cap & ARCH_CAP_MDS_NO)))
+ !(x86_arch_cap_msr & ARCH_CAP_MDS_NO)))
mmio_mitigation = MMIO_MITIGATION_VERW;
else
mmio_mitigation = MMIO_MITIGATION_UCODE_NEEDED;
@@ -505,7 +505,7 @@ static void __init rfds_select_mitigation(void)
if (rfds_mitigation == RFDS_MITIGATION_OFF)
return;
- if (ia32_cap & ARCH_CAP_RFDS_CLEAR)
+ if (x86_arch_cap_msr & ARCH_CAP_RFDS_CLEAR)
setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF);
else
rfds_mitigation = RFDS_MITIGATION_UCODE_NEEDED;
@@ -664,7 +664,7 @@ static void __init srbds_select_mitigation(void)
* are only exposed to SRBDS when TSX is enabled or when CPU is affected
* by Processor MMIO Stale Data vulnerability.
*/
- if ((ia32_cap & ARCH_CAP_MDS_NO) && !boot_cpu_has(X86_FEATURE_RTM) &&
+ if ((x86_arch_cap_msr & ARCH_CAP_MDS_NO) && !boot_cpu_has(X86_FEATURE_RTM) &&
!boot_cpu_has_bug(X86_BUG_MMIO_STALE_DATA))
srbds_mitigation = SRBDS_MITIGATION_TSX_OFF;
else if (boot_cpu_has(X86_FEATURE_HYPERVISOR))
@@ -807,7 +807,7 @@ static void __init gds_select_mitigation(void)
/* Will verify below that mitigation _can_ be disabled */
/* No microcode */
- if (!(ia32_cap & ARCH_CAP_GDS_CTRL)) {
+ if (!(x86_arch_cap_msr & ARCH_CAP_GDS_CTRL)) {
if (gds_mitigation == GDS_MITIGATION_FORCE) {
/*
* This only needs to be done on the boot CPU so do it
@@ -1541,14 +1541,14 @@ static enum spectre_v2_mitigation __init spectre_v2_select_retpoline(void)
/* Disable in-kernel use of non-RSB RET predictors */
static void __init spec_ctrl_disable_kernel_rrsba(void)
{
- u64 ia32_cap;
+ u64 x86_arch_cap_msr;
if (!boot_cpu_has(X86_FEATURE_RRSBA_CTRL))
return;
- ia32_cap = x86_read_arch_cap_msr();
+ x86_arch_cap_msr = x86_read_arch_cap_msr();
- if (ia32_cap & ARCH_CAP_RRSBA) {
+ if (x86_arch_cap_msr & ARCH_CAP_RRSBA) {
x86_spec_ctrl_base |= SPEC_CTRL_RRSBA_DIS_S;
update_spec_ctrl(x86_spec_ctrl_base);
}
@@ -1916,7 +1916,7 @@ static void update_mds_branch_idle(void)
if (sched_smt_active()) {
static_branch_enable(&mds_idle_clear);
} else if (mmio_mitigation == MMIO_MITIGATION_OFF ||
- (ia32_cap & ARCH_CAP_FBSDP_NO)) {
+ (x86_arch_cap_msr & ARCH_CAP_FBSDP_NO)) {
static_branch_disable(&mds_idle_clear);
}
}
@@ -2810,7 +2810,7 @@ static const char *spectre_bhi_state(void)
else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP))
return "; BHI: SW loop, KVM: SW loop";
else if (boot_cpu_has(X86_FEATURE_RETPOLINE) &&
- !(ia32_cap & ARCH_CAP_RRSBA))
+ !(x86_arch_cap_msr & ARCH_CAP_RRSBA))
return "; BHI: Retpoline";
else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT))
return "; BHI: Syscall hardening, KVM: SW loop";
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 754d91857d634..605c26c009c8a 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1284,25 +1284,25 @@ static bool __init cpu_matches(const struct x86_cpu_id *table, unsigned long whi
u64 x86_read_arch_cap_msr(void)
{
- u64 ia32_cap = 0;
+ u64 x86_arch_cap_msr = 0;
if (boot_cpu_has(X86_FEATURE_ARCH_CAPABILITIES))
- rdmsrl(MSR_IA32_ARCH_CAPABILITIES, ia32_cap);
+ rdmsrl(MSR_IA32_ARCH_CAPABILITIES, x86_arch_cap_msr);
- return ia32_cap;
+ return x86_arch_cap_msr;
}
-static bool arch_cap_mmio_immune(u64 ia32_cap)
+static bool arch_cap_mmio_immune(u64 x86_arch_cap_msr)
{
- return (ia32_cap & ARCH_CAP_FBSDP_NO &&
- ia32_cap & ARCH_CAP_PSDP_NO &&
- ia32_cap & ARCH_CAP_SBDR_SSDP_NO);
+ return (x86_arch_cap_msr & ARCH_CAP_FBSDP_NO &&
+ x86_arch_cap_msr & ARCH_CAP_PSDP_NO &&
+ x86_arch_cap_msr & ARCH_CAP_SBDR_SSDP_NO);
}
-static bool __init vulnerable_to_rfds(u64 ia32_cap)
+static bool __init vulnerable_to_rfds(u64 x86_arch_cap_msr)
{
/* The "immunity" bit trumps everything else: */
- if (ia32_cap & ARCH_CAP_RFDS_NO)
+ if (x86_arch_cap_msr & ARCH_CAP_RFDS_NO)
return false;
/*
@@ -1310,7 +1310,7 @@ static bool __init vulnerable_to_rfds(u64 ia32_cap)
* indicate that mitigation is needed because guest is running on a
* vulnerable hardware or may migrate to such hardware:
*/
- if (ia32_cap & ARCH_CAP_RFDS_CLEAR)
+ if (x86_arch_cap_msr & ARCH_CAP_RFDS_CLEAR)
return true;
/* Only consult the blacklist when there is no enumeration: */
@@ -1319,11 +1319,11 @@ static bool __init vulnerable_to_rfds(u64 ia32_cap)
static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
{
- u64 ia32_cap = x86_read_arch_cap_msr();
+ u64 x86_arch_cap_msr = x86_read_arch_cap_msr();
/* Set ITLB_MULTIHIT bug if cpu is not in the whitelist and not mitigated */
if (!cpu_matches(cpu_vuln_whitelist, NO_ITLB_MULTIHIT) &&
- !(ia32_cap & ARCH_CAP_PSCHANGE_MC_NO))
+ !(x86_arch_cap_msr & ARCH_CAP_PSCHANGE_MC_NO))
setup_force_cpu_bug(X86_BUG_ITLB_MULTIHIT);
if (cpu_matches(cpu_vuln_whitelist, NO_SPECULATION))
@@ -1335,7 +1335,7 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
setup_force_cpu_bug(X86_BUG_SPECTRE_V2);
if (!cpu_matches(cpu_vuln_whitelist, NO_SSB) &&
- !(ia32_cap & ARCH_CAP_SSB_NO) &&
+ !(x86_arch_cap_msr & ARCH_CAP_SSB_NO) &&
!cpu_has(c, X86_FEATURE_AMD_SSB_NO))
setup_force_cpu_bug(X86_BUG_SPEC_STORE_BYPASS);
@@ -1346,17 +1346,17 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
* Don't use AutoIBRS when SNP is enabled because it degrades host
* userspace indirect branch performance.
*/
- if ((ia32_cap & ARCH_CAP_IBRS_ALL) ||
+ if ((x86_arch_cap_msr & ARCH_CAP_IBRS_ALL) ||
(cpu_has(c, X86_FEATURE_AUTOIBRS) &&
!cpu_feature_enabled(X86_FEATURE_SEV_SNP))) {
setup_force_cpu_cap(X86_FEATURE_IBRS_ENHANCED);
if (!cpu_matches(cpu_vuln_whitelist, NO_EIBRS_PBRSB) &&
- !(ia32_cap & ARCH_CAP_PBRSB_NO))
+ !(x86_arch_cap_msr & ARCH_CAP_PBRSB_NO))
setup_force_cpu_bug(X86_BUG_EIBRS_PBRSB);
}
if (!cpu_matches(cpu_vuln_whitelist, NO_MDS) &&
- !(ia32_cap & ARCH_CAP_MDS_NO)) {
+ !(x86_arch_cap_msr & ARCH_CAP_MDS_NO)) {
setup_force_cpu_bug(X86_BUG_MDS);
if (cpu_matches(cpu_vuln_whitelist, MSBDS_ONLY))
setup_force_cpu_bug(X86_BUG_MSBDS_ONLY);
@@ -1375,9 +1375,9 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
* TSX_CTRL check alone is not sufficient for cases when the microcode
* update is not present or running as guest that don't get TSX_CTRL.
*/
- if (!(ia32_cap & ARCH_CAP_TAA_NO) &&
+ if (!(x86_arch_cap_msr & ARCH_CAP_TAA_NO) &&
(cpu_has(c, X86_FEATURE_RTM) ||
- (ia32_cap & ARCH_CAP_TSX_CTRL_MSR)))
+ (x86_arch_cap_msr & ARCH_CAP_TSX_CTRL_MSR)))
setup_force_cpu_bug(X86_BUG_TAA);
/*
@@ -1403,7 +1403,7 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
* Set X86_BUG_MMIO_UNKNOWN for CPUs that are neither in the blacklist,
* nor in the whitelist and also don't enumerate MSR ARCH_CAP MMIO bits.
*/
- if (!arch_cap_mmio_immune(ia32_cap)) {
+ if (!arch_cap_mmio_immune(x86_arch_cap_msr)) {
if (cpu_matches(cpu_vuln_blacklist, MMIO))
setup_force_cpu_bug(X86_BUG_MMIO_STALE_DATA);
else if (!cpu_matches(cpu_vuln_whitelist, NO_MMIO))
@@ -1411,7 +1411,7 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
}
if (!cpu_has(c, X86_FEATURE_BTC_NO)) {
- if (cpu_matches(cpu_vuln_blacklist, RETBLEED) || (ia32_cap & ARCH_CAP_RSBA))
+ if (cpu_matches(cpu_vuln_blacklist, RETBLEED) || (x86_arch_cap_msr & ARCH_CAP_RSBA))
setup_force_cpu_bug(X86_BUG_RETBLEED);
}
@@ -1429,15 +1429,15 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
* disabling AVX2. The only way to do this in HW is to clear XCR0[2],
* which means that AVX will be disabled.
*/
- if (cpu_matches(cpu_vuln_blacklist, GDS) && !(ia32_cap & ARCH_CAP_GDS_NO) &&
+ if (cpu_matches(cpu_vuln_blacklist, GDS) && !(x86_arch_cap_msr & ARCH_CAP_GDS_NO) &&
boot_cpu_has(X86_FEATURE_AVX))
setup_force_cpu_bug(X86_BUG_GDS);
- if (vulnerable_to_rfds(ia32_cap))
+ if (vulnerable_to_rfds(x86_arch_cap_msr))
setup_force_cpu_bug(X86_BUG_RFDS);
/* When virtualized, eIBRS could be hidden, assume vulnerable */
- if (!(ia32_cap & ARCH_CAP_BHI_NO) &&
+ if (!(x86_arch_cap_msr & ARCH_CAP_BHI_NO) &&
!cpu_matches(cpu_vuln_whitelist, NO_BHI) &&
(boot_cpu_has(X86_FEATURE_IBRS_ENHANCED) ||
boot_cpu_has(X86_FEATURE_HYPERVISOR)))
@@ -1447,7 +1447,7 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
return;
/* Rogue Data Cache Load? No! */
- if (ia32_cap & ARCH_CAP_RDCL_NO)
+ if (x86_arch_cap_msr & ARCH_CAP_RDCL_NO)
return;
setup_force_cpu_bug(X86_BUG_CPU_MELTDOWN);
--
GitLab
From 1cea8a280dfd1016148a3820676f2f03e3f5b898 Mon Sep 17 00:00:00 2001
From: Josh Poimboeuf <jpoimboe@kernel.org>
Date: Wed, 10 Apr 2024 22:40:47 -0700
Subject: [PATCH 2442/2686] x86/bugs: Fix BHI handling of RRSBA
The ARCH_CAP_RRSBA check isn't correct: RRSBA may have already been
disabled by the Spectre v2 mitigation (or can otherwise be disabled by
the BHI mitigation itself if needed). In that case retpolines are fine.
Fixes: ec9404e40e8f ("x86/bhi: Add BHI mitigation knob")
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/6f56f13da34a0834b69163467449be7f58f253dc.1712813475.git.jpoimboe@kernel.org
---
arch/x86/kernel/cpu/bugs.c | 30 ++++++++++++++++++------------
1 file changed, 18 insertions(+), 12 deletions(-)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 1b0cfc1364324..08dfb94fcb3a4 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -1538,20 +1538,25 @@ static enum spectre_v2_mitigation __init spectre_v2_select_retpoline(void)
return SPECTRE_V2_RETPOLINE;
}
+static bool __ro_after_init rrsba_disabled;
+
/* Disable in-kernel use of non-RSB RET predictors */
static void __init spec_ctrl_disable_kernel_rrsba(void)
{
- u64 x86_arch_cap_msr;
+ if (rrsba_disabled)
+ return;
- if (!boot_cpu_has(X86_FEATURE_RRSBA_CTRL))
+ if (!(x86_arch_cap_msr & ARCH_CAP_RRSBA)) {
+ rrsba_disabled = true;
return;
+ }
- x86_arch_cap_msr = x86_read_arch_cap_msr();
+ if (!boot_cpu_has(X86_FEATURE_RRSBA_CTRL))
+ return;
- if (x86_arch_cap_msr & ARCH_CAP_RRSBA) {
- x86_spec_ctrl_base |= SPEC_CTRL_RRSBA_DIS_S;
- update_spec_ctrl(x86_spec_ctrl_base);
- }
+ x86_spec_ctrl_base |= SPEC_CTRL_RRSBA_DIS_S;
+ update_spec_ctrl(x86_spec_ctrl_base);
+ rrsba_disabled = true;
}
static void __init spectre_v2_determine_rsb_fill_type_at_vmexit(enum spectre_v2_mitigation mode)
@@ -1652,9 +1657,11 @@ static void __init bhi_select_mitigation(void)
return;
/* Retpoline mitigates against BHI unless the CPU has RRSBA behavior */
- if (cpu_feature_enabled(X86_FEATURE_RETPOLINE) &&
- !(x86_read_arch_cap_msr() & ARCH_CAP_RRSBA))
- return;
+ if (cpu_feature_enabled(X86_FEATURE_RETPOLINE)) {
+ spec_ctrl_disable_kernel_rrsba();
+ if (rrsba_disabled)
+ return;
+ }
if (spec_ctrl_bhi_dis())
return;
@@ -2809,8 +2816,7 @@ static const char *spectre_bhi_state(void)
return "; BHI: BHI_DIS_S";
else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP))
return "; BHI: SW loop, KVM: SW loop";
- else if (boot_cpu_has(X86_FEATURE_RETPOLINE) &&
- !(x86_arch_cap_msr & ARCH_CAP_RRSBA))
+ else if (boot_cpu_has(X86_FEATURE_RETPOLINE) && rrsba_disabled)
return "; BHI: Retpoline";
else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT))
return "; BHI: Syscall hardening, KVM: SW loop";
--
GitLab
From 5f882f3b0a8bf0788d5a0ee44b1191de5319bb8a Mon Sep 17 00:00:00 2001
From: Josh Poimboeuf <jpoimboe@kernel.org>
Date: Wed, 10 Apr 2024 22:40:48 -0700
Subject: [PATCH 2443/2686] x86/bugs: Clarify that syscall hardening isn't a
BHI mitigation
While syscall hardening helps prevent some BHI attacks, there's still
other low-hanging fruit remaining. Don't classify it as a mitigation
and make it clear that the system may still be vulnerable if it doesn't
have a HW or SW mitigation enabled.
Fixes: ec9404e40e8f ("x86/bhi: Add BHI mitigation knob")
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/b5951dae3fdee7f1520d5136a27be3bdfe95f88b.1712813475.git.jpoimboe@kernel.org
---
Documentation/admin-guide/hw-vuln/spectre.rst | 11 +++++------
Documentation/admin-guide/kernel-parameters.txt | 3 +--
arch/x86/kernel/cpu/bugs.c | 6 +++---
3 files changed, 9 insertions(+), 11 deletions(-)
diff --git a/Documentation/admin-guide/hw-vuln/spectre.rst b/Documentation/admin-guide/hw-vuln/spectre.rst
index 3cf18e4a1d9ab..5a39acf824835 100644
--- a/Documentation/admin-guide/hw-vuln/spectre.rst
+++ b/Documentation/admin-guide/hw-vuln/spectre.rst
@@ -441,10 +441,10 @@ The possible values in this file are:
- System is protected by BHI_DIS_S
* - BHI: SW loop, KVM SW loop
- System is protected by software clearing sequence
- * - BHI: Syscall hardening
- - Syscalls are hardened against BHI
- * - BHI: Syscall hardening, KVM: SW loop
- - System is protected from userspace attacks by syscall hardening; KVM is protected by software clearing sequence
+ * - BHI: Vulnerable
+ - System is vulnerable to BHI
+ * - BHI: Vulnerable, KVM: SW loop
+ - System is vulnerable; KVM is protected by software clearing sequence
Full mitigation might require a microcode update from the CPU
vendor. When the necessary microcode is not available, the kernel will
@@ -661,8 +661,7 @@ kernel command line.
spectre_bhi=
[X86] Control mitigation of Branch History Injection
- (BHI) vulnerability. Syscalls are hardened against BHI
- regardless of this setting. This setting affects the deployment
+ (BHI) vulnerability. This setting affects the deployment
of the HW BHI control and the SW BHB clearing sequence.
on
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index a029ad6c4963c..a3874cc97892d 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6065,8 +6065,7 @@
See Documentation/admin-guide/laptops/sonypi.rst
spectre_bhi= [X86] Control mitigation of Branch History Injection
- (BHI) vulnerability. Syscalls are hardened against BHI
- reglardless of this setting. This setting affects the
+ (BHI) vulnerability. This setting affects the
deployment of the HW BHI control and the SW BHB
clearing sequence.
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 08dfb94fcb3a4..9eeb60f5fbb35 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -2818,10 +2818,10 @@ static const char *spectre_bhi_state(void)
return "; BHI: SW loop, KVM: SW loop";
else if (boot_cpu_has(X86_FEATURE_RETPOLINE) && rrsba_disabled)
return "; BHI: Retpoline";
- else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT))
- return "; BHI: Syscall hardening, KVM: SW loop";
+ else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT))
+ return "; BHI: Vulnerable, KVM: SW loop";
- return "; BHI: Vulnerable (Syscall hardening enabled)";
+ return "; BHI: Vulnerable";
}
static ssize_t spectre_v2_show_state(char *buf)
--
GitLab
From 713a85195aad25d8a26786a37b674e3e5ec09e3c Mon Sep 17 00:00:00 2001
From: David Arinzon <darinzon@amazon.com>
Date: Wed, 10 Apr 2024 09:13:55 +0000
Subject: [PATCH 2444/2686] net: ena: Fix potential sign extension issue
Small unsigned types are promoted to larger signed types in
the case of multiplication, the result of which may overflow.
In case the result of such a multiplication has its MSB
turned on, it will be sign extended with '1's.
This changes the multiplication result.
Code example of the phenomenon:
-------------------------------
u16 x, y;
size_t z1, z2;
x = y = 0xffff;
printk("x=%x y=%x\n",x,y);
z1 = x*y;
z2 = (size_t)x*y;
printk("z1=%lx z2=%lx\n", z1, z2);
Output:
-------
x=ffff y=ffff
z1=fffffffffffe0001 z2=fffe0001
The expected result of ffff*ffff is fffe0001, and without the
explicit casting to avoid the unwanted sign extension we got
fffffffffffe0001.
This commit adds an explicit casting to avoid the sign extension
issue.
Fixes: 689b2bdaaa14 ("net: ena: add functions for handling Low Latency Queues in ena_com")
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/amazon/ena/ena_com.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
index 9e9e4a03f1a8c..2d8a66ea82fab 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_com.c
@@ -351,7 +351,7 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev,
ENA_COM_BOUNCE_BUFFER_CNTRL_CNT;
io_sq->bounce_buf_ctrl.next_to_use = 0;
- size = io_sq->bounce_buf_ctrl.buffer_size *
+ size = (size_t)io_sq->bounce_buf_ctrl.buffer_size *
io_sq->bounce_buf_ctrl.buffers_num;
dev_node = dev_to_node(ena_dev->dmadev);
--
GitLab
From f7e417180665234fdb7af2ebe33d89aaa434d16f Mon Sep 17 00:00:00 2001
From: David Arinzon <darinzon@amazon.com>
Date: Wed, 10 Apr 2024 09:13:56 +0000
Subject: [PATCH 2445/2686] net: ena: Wrong missing IO completions check order
Missing IO completions check is called every second (HZ jiffies).
This commit fixes several issues with this check:
1. Duplicate queues check:
Max of 4 queues are scanned on each check due to monitor budget.
Once reaching the budget, this check exits under the assumption that
the next check will continue to scan the remainder of the queues,
but in practice, next check will first scan the last already scanned
queue which is not necessary and may cause the full queue scan to
last a couple of seconds longer.
The fix is to start every check with the next queue to scan.
For example, on 8 IO queues:
Bug: [0,1,2,3], [3,4,5,6], [6,7]
Fix: [0,1,2,3], [4,5,6,7]
2. Unbalanced queues check:
In case the number of active IO queues is not a multiple of budget,
there will be checks which don't utilize the full budget
because the full scan exits when reaching the last queue id.
The fix is to run every TX completion check with exact queue budget
regardless of the queue id.
For example, on 7 IO queues:
Bug: [0,1,2,3], [4,5,6], [0,1,2,3]
Fix: [0,1,2,3], [4,5,6,0], [1,2,3,4]
The budget may be lowered in case the number of IO queues is less
than the budget (4) to make sure there are no duplicate queues on
the same check.
For example, on 3 IO queues:
Bug: [0,1,2,0], [1,2,0,1]
Fix: [0,1,2], [0,1,2]
Fixes: 1738cd3ed342 ("net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Amit Bernstein <amitbern@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/amazon/ena/ena_netdev.c | 21 +++++++++++---------
1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 09e7da1a69c9f..59befc0f463cd 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -3481,10 +3481,11 @@ static void check_for_missing_completions(struct ena_adapter *adapter)
{
struct ena_ring *tx_ring;
struct ena_ring *rx_ring;
- int i, budget, rc;
+ int qid, budget, rc;
int io_queue_count;
io_queue_count = adapter->xdp_num_queues + adapter->num_io_queues;
+
/* Make sure the driver doesn't turn the device in other process */
smp_rmb();
@@ -3497,27 +3498,29 @@ static void check_for_missing_completions(struct ena_adapter *adapter)
if (adapter->missing_tx_completion_to == ENA_HW_HINTS_NO_TIMEOUT)
return;
- budget = ENA_MONITORED_TX_QUEUES;
+ budget = min_t(u32, io_queue_count, ENA_MONITORED_TX_QUEUES);
- for (i = adapter->last_monitored_tx_qid; i < io_queue_count; i++) {
- tx_ring = &adapter->tx_ring[i];
- rx_ring = &adapter->rx_ring[i];
+ qid = adapter->last_monitored_tx_qid;
+
+ while (budget) {
+ qid = (qid + 1) % io_queue_count;
+
+ tx_ring = &adapter->tx_ring[qid];
+ rx_ring = &adapter->rx_ring[qid];
rc = check_missing_comp_in_tx_queue(adapter, tx_ring);
if (unlikely(rc))
return;
- rc = !ENA_IS_XDP_INDEX(adapter, i) ?
+ rc = !ENA_IS_XDP_INDEX(adapter, qid) ?
check_for_rx_interrupt_queue(adapter, rx_ring) : 0;
if (unlikely(rc))
return;
budget--;
- if (!budget)
- break;
}
- adapter->last_monitored_tx_qid = i % io_queue_count;
+ adapter->last_monitored_tx_qid = qid;
}
/* trigger napi schedule after 2 consecutive detections */
--
GitLab
From bf02d9fe00632d22fa91d34749c7aacf397b6cde Mon Sep 17 00:00:00 2001
From: David Arinzon <darinzon@amazon.com>
Date: Wed, 10 Apr 2024 09:13:57 +0000
Subject: [PATCH 2446/2686] net: ena: Fix incorrect descriptor free behavior
ENA has two types of TX queues:
- queues which only process TX packets arriving from the network stack
- queues which only process TX packets forwarded to it by XDP_REDIRECT
or XDP_TX instructions
The ena_free_tx_bufs() cycles through all descriptors in a TX queue
and unmaps + frees every descriptor that hasn't been acknowledged yet
by the device (uncompleted TX transactions).
The function assumes that the processed TX queue is necessarily from
the first category listed above and ends up using napi_consume_skb()
for descriptors belonging to an XDP specific queue.
This patch solves a bug in which, in case of a VF reset, the
descriptors aren't freed correctly, leading to crashes.
Fixes: 548c4940b9f1 ("net: ena: Implement XDP_TX action")
Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/amazon/ena/ena_netdev.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 59befc0f463cd..be5acfa41ee0c 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -718,8 +718,11 @@ void ena_unmap_tx_buff(struct ena_ring *tx_ring,
static void ena_free_tx_bufs(struct ena_ring *tx_ring)
{
bool print_once = true;
+ bool is_xdp_ring;
u32 i;
+ is_xdp_ring = ENA_IS_XDP_INDEX(tx_ring->adapter, tx_ring->qid);
+
for (i = 0; i < tx_ring->ring_size; i++) {
struct ena_tx_buffer *tx_info = &tx_ring->tx_buffer_info[i];
@@ -739,10 +742,15 @@ static void ena_free_tx_bufs(struct ena_ring *tx_ring)
ena_unmap_tx_buff(tx_ring, tx_info);
- dev_kfree_skb_any(tx_info->skb);
+ if (is_xdp_ring)
+ xdp_return_frame(tx_info->xdpf);
+ else
+ dev_kfree_skb_any(tx_info->skb);
}
- netdev_tx_reset_queue(netdev_get_tx_queue(tx_ring->netdev,
- tx_ring->qid));
+
+ if (!is_xdp_ring)
+ netdev_tx_reset_queue(netdev_get_tx_queue(tx_ring->netdev,
+ tx_ring->qid));
}
static void ena_free_all_tx_bufs(struct ena_adapter *adapter)
--
GitLab
From 36a1ca01f0452f2549420e7279c2588729bd94df Mon Sep 17 00:00:00 2001
From: David Arinzon <darinzon@amazon.com>
Date: Wed, 10 Apr 2024 09:13:58 +0000
Subject: [PATCH 2447/2686] net: ena: Set tx_info->xdpf value to NULL
The patch mentioned in the `Fixes` tag removed the explicit assignment
of tx_info->xdpf to NULL with the justification that there's no need
to set tx_info->xdpf to NULL and tx_info->num_of_bufs to 0 in case
of a mapping error. Both values won't be used once the mapping function
returns an error, and their values would be overridden by the next
transmitted packet.
While both values do indeed get overridden in the next transmission
call, the value of tx_info->xdpf is also used to check whether a TX
descriptor's transmission has been completed (i.e. a completion for it
was polled).
An example scenario:
1. Mapping failed, tx_info->xdpf wasn't set to NULL
2. A VF reset occurred leading to IO resource destruction and
a call to ena_free_tx_bufs() function
3. Although the descriptor whose mapping failed was freed by the
transmission function, it still passes the check
if (!tx_info->skb)
(skb and xdp_frame are in a union)
4. The xdp_frame associated with the descriptor is freed twice
This patch returns the assignment of NULL to tx_info->xdpf to make the
cleaning function knows that the descriptor is already freed.
Fixes: 504fd6a5390c ("net: ena: fix DMA mapping function issues in XDP")
Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/amazon/ena/ena_xdp.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/amazon/ena/ena_xdp.c b/drivers/net/ethernet/amazon/ena/ena_xdp.c
index 337c435d3ce99..5b175e7e92a10 100644
--- a/drivers/net/ethernet/amazon/ena/ena_xdp.c
+++ b/drivers/net/ethernet/amazon/ena/ena_xdp.c
@@ -89,7 +89,7 @@ int ena_xdp_xmit_frame(struct ena_ring *tx_ring,
rc = ena_xdp_tx_map_frame(tx_ring, tx_info, xdpf, &ena_tx_ctx);
if (unlikely(rc))
- return rc;
+ goto err;
ena_tx_ctx.req_id = req_id;
@@ -112,7 +112,9 @@ int ena_xdp_xmit_frame(struct ena_ring *tx_ring,
error_unmap_dma:
ena_unmap_tx_buff(tx_ring, tx_info);
+err:
tx_info->xdpf = NULL;
+
return rc;
}
--
GitLab
From f969eb84ce482331a991079ab7a5c4dc3b7f89bf Mon Sep 17 00:00:00 2001
From: Ziyang Xuan <william.xuanziyang@huawei.com>
Date: Sun, 7 Apr 2024 14:56:04 +0800
Subject: [PATCH 2448/2686] netfilter: nf_tables: Fix potential data-race in
__nft_expr_type_get()
nft_unregister_expr() can concurrent with __nft_expr_type_get(),
and there is not any protection when iterate over nf_tables_expressions
list in __nft_expr_type_get(). Therefore, there is potential data-race
of nf_tables_expressions list entry.
Use list_for_each_entry_rcu() to iterate over nf_tables_expressions
list in __nft_expr_type_get(), and use rcu_read_lock() in the caller
nft_expr_type_get() to protect the entire type query process.
Fixes: ef1f7df9170d ("netfilter: nf_tables: expression ops overloading")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index d89d779467197..53b8c00863ad2 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -3060,7 +3060,7 @@ static const struct nft_expr_type *__nft_expr_type_get(u8 family,
{
const struct nft_expr_type *type, *candidate = NULL;
- list_for_each_entry(type, &nf_tables_expressions, list) {
+ list_for_each_entry_rcu(type, &nf_tables_expressions, list) {
if (!nla_strcmp(nla, type->name)) {
if (!type->family && !candidate)
candidate = type;
@@ -3092,9 +3092,13 @@ static const struct nft_expr_type *nft_expr_type_get(struct net *net,
if (nla == NULL)
return ERR_PTR(-EINVAL);
+ rcu_read_lock();
type = __nft_expr_type_get(family, nla);
- if (type != NULL && try_module_get(type->owner))
+ if (type != NULL && try_module_get(type->owner)) {
+ rcu_read_unlock();
return type;
+ }
+ rcu_read_unlock();
lockdep_nfnl_nft_mutex_not_held();
#ifdef CONFIG_MODULES
--
GitLab
From d78d867dcea69c328db30df665be5be7d0148484 Mon Sep 17 00:00:00 2001
From: Ziyang Xuan <william.xuanziyang@huawei.com>
Date: Sun, 7 Apr 2024 14:56:05 +0800
Subject: [PATCH 2449/2686] netfilter: nf_tables: Fix potential data-race in
__nft_obj_type_get()
nft_unregister_obj() can concurrent with __nft_obj_type_get(),
and there is not any protection when iterate over nf_tables_objects
list in __nft_obj_type_get(). Therefore, there is potential data-race
of nf_tables_objects list entry.
Use list_for_each_entry_rcu() to iterate over nf_tables_objects
list in __nft_obj_type_get(), and use rcu_read_lock() in the caller
nft_obj_type_get() to protect the entire type query process.
Fixes: e50092404c1b ("netfilter: nf_tables: add stateful objects")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 53b8c00863ad2..f11d0c0a2c735 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -7611,7 +7611,7 @@ static const struct nft_object_type *__nft_obj_type_get(u32 objtype, u8 family)
{
const struct nft_object_type *type;
- list_for_each_entry(type, &nf_tables_objects, list) {
+ list_for_each_entry_rcu(type, &nf_tables_objects, list) {
if (type->family != NFPROTO_UNSPEC &&
type->family != family)
continue;
@@ -7627,9 +7627,13 @@ nft_obj_type_get(struct net *net, u32 objtype, u8 family)
{
const struct nft_object_type *type;
+ rcu_read_lock();
type = __nft_obj_type_get(objtype, family);
- if (type != NULL && try_module_get(type->owner))
+ if (type != NULL && try_module_get(type->owner)) {
+ rcu_read_unlock();
return type;
+ }
+ rcu_read_unlock();
lockdep_nfnl_nft_mutex_not_held();
#ifdef CONFIG_MODULES
--
GitLab
From 751de2012eafa4d46d8081056761fa0e9cc8a178 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Tue, 9 Apr 2024 11:24:59 +0200
Subject: [PATCH 2450/2686] netfilter: br_netfilter: skip conntrack input hook
for promisc packets
For historical reasons, when bridge device is in promisc mode, packets
that are directed to the taps follow bridge input hook path. This patch
adds a workaround to reset conntrack for these packets.
Jianbo Liu reports warning splats in their test infrastructure where
cloned packets reach the br_netfilter input hook to confirm the
conntrack object.
Scratch one bit from BR_INPUT_SKB_CB to annotate that this packet has
reached the input hook because it is passed up to the bridge device to
reach the taps.
[ 57.571874] WARNING: CPU: 1 PID: 0 at net/bridge/br_netfilter_hooks.c:616 br_nf_local_in+0x157/0x180 [br_netfilter]
[ 57.572749] Modules linked in: xt_MASQUERADE nf_conntrack_netlink nfnetlink iptable_nat xt_addrtype xt_conntrack nf_nat br_netfilter rpcsec_gss_krb5 auth_rpcgss oid_registry overlay rpcrdma rdma_ucm ib_iser libiscsi scsi_transport_isc si ib_umad rdma_cm ib_ipoib iw_cm ib_cm mlx5_ib ib_uverbs ib_core mlx5ctl mlx5_core
[ 57.575158] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.8.0+ #19
[ 57.575700] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
[ 57.576662] RIP: 0010:br_nf_local_in+0x157/0x180 [br_netfilter]
[ 57.577195] Code: fe ff ff 41 bd 04 00 00 00 be 04 00 00 00 e9 4a ff ff ff be 04 00 00 00 48 89 ef e8 f3 a9 3c e1 66 83 ad b4 00 00 00 04 eb 91 <0f> 0b e9 f1 fe ff ff 0f 0b e9 df fe ff ff 48 89 df e8 b3 53 47 e1
[ 57.578722] RSP: 0018:ffff88885f845a08 EFLAGS: 00010202
[ 57.579207] RAX: 0000000000000002 RBX: ffff88812dfe8000 RCX: 0000000000000000
[ 57.579830] RDX: ffff88885f845a60 RSI: ffff8881022dc300 RDI: 0000000000000000
[ 57.580454] RBP: ffff88885f845a60 R08: 0000000000000001 R09: 0000000000000003
[ 57.581076] R10: 00000000ffff1300 R11: 0000000000000002 R12: 0000000000000000
[ 57.581695] R13: ffff8881047ffe00 R14: ffff888108dbee00 R15: ffff88814519b800
[ 57.582313] FS: 0000000000000000(0000) GS:ffff88885f840000(0000) knlGS:0000000000000000
[ 57.583040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 57.583564] CR2: 000000c4206aa000 CR3: 0000000103847001 CR4: 0000000000370eb0
[ 57.584194] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 57.584820] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 57.585440] Call Trace:
[ 57.585721] <IRQ>
[ 57.585976] ? __warn+0x7d/0x130
[ 57.586323] ? br_nf_local_in+0x157/0x180 [br_netfilter]
[ 57.586811] ? report_bug+0xf1/0x1c0
[ 57.587177] ? handle_bug+0x3f/0x70
[ 57.587539] ? exc_invalid_op+0x13/0x60
[ 57.587929] ? asm_exc_invalid_op+0x16/0x20
[ 57.588336] ? br_nf_local_in+0x157/0x180 [br_netfilter]
[ 57.588825] nf_hook_slow+0x3d/0xd0
[ 57.589188] ? br_handle_vlan+0x4b/0x110
[ 57.589579] br_pass_frame_up+0xfc/0x150
[ 57.589970] ? br_port_flags_change+0x40/0x40
[ 57.590396] br_handle_frame_finish+0x346/0x5e0
[ 57.590837] ? ipt_do_table+0x32e/0x430
[ 57.591221] ? br_handle_local_finish+0x20/0x20
[ 57.591656] br_nf_hook_thresh+0x4b/0xf0 [br_netfilter]
[ 57.592286] ? br_handle_local_finish+0x20/0x20
[ 57.592802] br_nf_pre_routing_finish+0x178/0x480 [br_netfilter]
[ 57.593348] ? br_handle_local_finish+0x20/0x20
[ 57.593782] ? nf_nat_ipv4_pre_routing+0x25/0x60 [nf_nat]
[ 57.594279] br_nf_pre_routing+0x24c/0x550 [br_netfilter]
[ 57.594780] ? br_nf_hook_thresh+0xf0/0xf0 [br_netfilter]
[ 57.595280] br_handle_frame+0x1f3/0x3d0
[ 57.595676] ? br_handle_local_finish+0x20/0x20
[ 57.596118] ? br_handle_frame_finish+0x5e0/0x5e0
[ 57.596566] __netif_receive_skb_core+0x25b/0xfc0
[ 57.597017] ? __napi_build_skb+0x37/0x40
[ 57.597418] __netif_receive_skb_list_core+0xfb/0x220
Fixes: 62e7151ae3eb ("netfilter: bridge: confirm multicast packets before passing them up the stack")
Reported-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/bridge/br_input.c | 15 +++++++++++----
net/bridge/br_netfilter_hooks.c | 6 ++++++
net/bridge/br_private.h | 1 +
net/bridge/netfilter/nf_conntrack_bridge.c | 14 ++++++++++----
4 files changed, 28 insertions(+), 8 deletions(-)
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index f21097e734827..ceaa5a89b947f 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -30,7 +30,7 @@ br_netif_receive_skb(struct net *net, struct sock *sk, struct sk_buff *skb)
return netif_receive_skb(skb);
}
-static int br_pass_frame_up(struct sk_buff *skb)
+static int br_pass_frame_up(struct sk_buff *skb, bool promisc)
{
struct net_device *indev, *brdev = BR_INPUT_SKB_CB(skb)->brdev;
struct net_bridge *br = netdev_priv(brdev);
@@ -65,6 +65,8 @@ static int br_pass_frame_up(struct sk_buff *skb)
br_multicast_count(br, NULL, skb, br_multicast_igmp_type(skb),
BR_MCAST_DIR_TX);
+ BR_INPUT_SKB_CB(skb)->promisc = promisc;
+
return NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN,
dev_net(indev), NULL, skb, indev, NULL,
br_netif_receive_skb);
@@ -82,6 +84,7 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
struct net_bridge_mcast *brmctx;
struct net_bridge_vlan *vlan;
struct net_bridge *br;
+ bool promisc;
u16 vid = 0;
u8 state;
@@ -137,7 +140,9 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
if (p->flags & BR_LEARNING)
br_fdb_update(br, p, eth_hdr(skb)->h_source, vid, 0);
- local_rcv = !!(br->dev->flags & IFF_PROMISC);
+ promisc = !!(br->dev->flags & IFF_PROMISC);
+ local_rcv = promisc;
+
if (is_multicast_ether_addr(eth_hdr(skb)->h_dest)) {
/* by definition the broadcast is also a multicast address */
if (is_broadcast_ether_addr(eth_hdr(skb)->h_dest)) {
@@ -200,7 +205,7 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
unsigned long now = jiffies;
if (test_bit(BR_FDB_LOCAL, &dst->flags))
- return br_pass_frame_up(skb);
+ return br_pass_frame_up(skb, false);
if (now != dst->used)
dst->used = now;
@@ -213,7 +218,7 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
}
if (local_rcv)
- return br_pass_frame_up(skb);
+ return br_pass_frame_up(skb, promisc);
out:
return 0;
@@ -386,6 +391,8 @@ static rx_handler_result_t br_handle_frame(struct sk_buff **pskb)
goto forward;
}
+ BR_INPUT_SKB_CB(skb)->promisc = false;
+
/* The else clause should be hit when nf_hook():
* - returns < 0 (drop/error)
* - returns = 0 (stolen/nf_queue)
diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
index 35e10c5a766d5..22e35623c148a 100644
--- a/net/bridge/br_netfilter_hooks.c
+++ b/net/bridge/br_netfilter_hooks.c
@@ -600,11 +600,17 @@ static unsigned int br_nf_local_in(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state)
{
+ bool promisc = BR_INPUT_SKB_CB(skb)->promisc;
struct nf_conntrack *nfct = skb_nfct(skb);
const struct nf_ct_hook *ct_hook;
struct nf_conn *ct;
int ret;
+ if (promisc) {
+ nf_reset_ct(skb);
+ return NF_ACCEPT;
+ }
+
if (!nfct || skb->pkt_type == PACKET_HOST)
return NF_ACCEPT;
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 86ea5e6689b5c..d4bedc87b1d8f 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -589,6 +589,7 @@ struct br_input_skb_cb {
#endif
u8 proxyarp_replied:1;
u8 src_port_isolated:1;
+ u8 promisc:1;
#ifdef CONFIG_BRIDGE_VLAN_FILTERING
u8 vlan_filtered:1;
#endif
diff --git a/net/bridge/netfilter/nf_conntrack_bridge.c b/net/bridge/netfilter/nf_conntrack_bridge.c
index 6f877e31709ba..c3c51b9a68265 100644
--- a/net/bridge/netfilter/nf_conntrack_bridge.c
+++ b/net/bridge/netfilter/nf_conntrack_bridge.c
@@ -294,18 +294,24 @@ static unsigned int nf_ct_bridge_pre(void *priv, struct sk_buff *skb,
static unsigned int nf_ct_bridge_in(void *priv, struct sk_buff *skb,
const struct nf_hook_state *state)
{
- enum ip_conntrack_info ctinfo;
+ bool promisc = BR_INPUT_SKB_CB(skb)->promisc;
+ struct nf_conntrack *nfct = skb_nfct(skb);
struct nf_conn *ct;
- if (skb->pkt_type == PACKET_HOST)
+ if (promisc) {
+ nf_reset_ct(skb);
+ return NF_ACCEPT;
+ }
+
+ if (!nfct || skb->pkt_type == PACKET_HOST)
return NF_ACCEPT;
/* nf_conntrack_confirm() cannot handle concurrent clones,
* this happens for broad/multicast frames with e.g. macvlan on top
* of the bridge device.
*/
- ct = nf_ct_get(skb, &ctinfo);
- if (!ct || nf_ct_is_confirmed(ct) || nf_ct_is_template(ct))
+ ct = container_of(nfct, struct nf_conn, ct_general);
+ if (nf_ct_is_confirmed(ct) || nf_ct_is_template(ct))
return NF_ACCEPT;
/* let inet prerouting call conntrack again */
--
GitLab
From 29b359cf6d95fd60730533f7f10464e95bd17c73 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Wed, 10 Apr 2024 18:50:45 +0200
Subject: [PATCH 2451/2686] netfilter: nft_set_pipapo: walk over current view
on netlink dump
The generation mask can be updated while netlink dump is in progress.
The pipapo set backend walk iterator cannot rely on it to infer what
view of the datastructure is to be used. Add notation to specify if user
wants to read/update the set.
Based on patch from Florian Westphal.
Fixes: 2b84e215f874 ("netfilter: nft_set_pipapo: .walk does not deal with generations")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
include/net/netfilter/nf_tables.h | 14 ++++++++++++++
net/netfilter/nf_tables_api.c | 6 ++++++
net/netfilter/nft_set_pipapo.c | 5 +++--
3 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index e27c28b612e46..3f1ed467f951f 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -307,9 +307,23 @@ static inline void *nft_elem_priv_cast(const struct nft_elem_priv *priv)
return (void *)priv;
}
+
+/**
+ * enum nft_iter_type - nftables set iterator type
+ *
+ * @NFT_ITER_READ: read-only iteration over set elements
+ * @NFT_ITER_UPDATE: iteration under mutex to update set element state
+ */
+enum nft_iter_type {
+ NFT_ITER_UNSPEC,
+ NFT_ITER_READ,
+ NFT_ITER_UPDATE,
+};
+
struct nft_set;
struct nft_set_iter {
u8 genmask;
+ enum nft_iter_type type:8;
unsigned int count;
unsigned int skip;
int err;
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index f11d0c0a2c735..a7a34db62ea93 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -626,6 +626,7 @@ static void nft_map_deactivate(const struct nft_ctx *ctx, struct nft_set *set)
{
struct nft_set_iter iter = {
.genmask = nft_genmask_next(ctx->net),
+ .type = NFT_ITER_UPDATE,
.fn = nft_mapelem_deactivate,
};
@@ -5445,6 +5446,7 @@ int nf_tables_bind_set(const struct nft_ctx *ctx, struct nft_set *set,
}
iter.genmask = nft_genmask_next(ctx->net);
+ iter.type = NFT_ITER_UPDATE;
iter.skip = 0;
iter.count = 0;
iter.err = 0;
@@ -5518,6 +5520,7 @@ static void nft_map_activate(const struct nft_ctx *ctx, struct nft_set *set)
{
struct nft_set_iter iter = {
.genmask = nft_genmask_next(ctx->net),
+ .type = NFT_ITER_UPDATE,
.fn = nft_mapelem_activate,
};
@@ -5892,6 +5895,7 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb)
args.skb = skb;
args.reset = dump_ctx->reset;
args.iter.genmask = nft_genmask_cur(net);
+ args.iter.type = NFT_ITER_READ;
args.iter.skip = cb->args[0];
args.iter.count = 0;
args.iter.err = 0;
@@ -7376,6 +7380,7 @@ static int nft_set_flush(struct nft_ctx *ctx, struct nft_set *set, u8 genmask)
{
struct nft_set_iter iter = {
.genmask = genmask,
+ .type = NFT_ITER_UPDATE,
.fn = nft_setelem_flush,
};
@@ -10879,6 +10884,7 @@ static int nf_tables_check_loops(const struct nft_ctx *ctx,
continue;
iter.genmask = nft_genmask_next(ctx->net);
+ iter.type = NFT_ITER_UPDATE;
iter.skip = 0;
iter.count = 0;
iter.err = 0;
diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
index df8de50902463..11e44e4dfb1f7 100644
--- a/net/netfilter/nft_set_pipapo.c
+++ b/net/netfilter/nft_set_pipapo.c
@@ -2115,13 +2115,14 @@ static void nft_pipapo_walk(const struct nft_ctx *ctx, struct nft_set *set,
struct nft_set_iter *iter)
{
struct nft_pipapo *priv = nft_set_priv(set);
- struct net *net = read_pnet(&set->net);
const struct nft_pipapo_match *m;
const struct nft_pipapo_field *f;
unsigned int i, r;
+ WARN_ON_ONCE(iter->type == NFT_ITER_UNSPEC);
+
rcu_read_lock();
- if (iter->genmask == nft_genmask_cur(net))
+ if (iter->type == NFT_ITER_READ)
m = rcu_dereference(priv->match);
else
m = priv->clone;
--
GitLab
From 3cfc9ec039af60dbd8965ae085b2c2ccdcfbe1cc Mon Sep 17 00:00:00 2001
From: Florian Westphal <fw@strlen.de>
Date: Wed, 10 Apr 2024 21:05:13 +0200
Subject: [PATCH 2452/2686] netfilter: nft_set_pipapo: do not free live element
Pablo reports a crash with large batches of elements with a
back-to-back add/remove pattern. Quoting Pablo:
add_elem("00000000") timeout 100 ms
...
add_elem("0000000X") timeout 100 ms
del_elem("0000000X") <---------------- delete one that was just added
...
add_elem("00005000") timeout 100 ms
1) nft_pipapo_remove() removes element 0000000X
Then, KASAN shows a splat.
Looking at the remove function there is a chance that we will drop a
rule that maps to a non-deactivated element.
Removal happens in two steps, first we do a lookup for key k and return the
to-be-removed element and mark it as inactive in the next generation.
Then, in a second step, the element gets removed from the set/map.
The _remove function does not work correctly if we have more than one
element that share the same key.
This can happen if we insert an element into a set when the set already
holds an element with same key, but the element mapping to the existing
key has timed out or is not active in the next generation.
In such case its possible that removal will unmap the wrong element.
If this happens, we will leak the non-deactivated element, it becomes
unreachable.
The element that got deactivated (and will be freed later) will
remain reachable in the set data structure, this can result in
a crash when such an element is retrieved during lookup (stale
pointer).
Add a check that the fully matching key does in fact map to the element
that we have marked as inactive in the deactivation step.
If not, we need to continue searching.
Add a bug/warn trap at the end of the function as well, the remove
function must not ever be called with an invisible/unreachable/non-existent
element.
v2: avoid uneeded temporary variable (Stefano)
Fixes: 3c4287f62044 ("nf_tables: Add set type for arbitrary concatenation of ranges")
Reported-by: Pablo Neira Ayuso <pablo@netfilter.org>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nft_set_pipapo.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
index 11e44e4dfb1f7..eeaf05ffba953 100644
--- a/net/netfilter/nft_set_pipapo.c
+++ b/net/netfilter/nft_set_pipapo.c
@@ -2077,6 +2077,8 @@ static void nft_pipapo_remove(const struct net *net, const struct nft_set *set,
rules_fx = rules_f0;
nft_pipapo_for_each_field(f, i, m) {
+ bool last = i == m->field_count - 1;
+
if (!pipapo_match_field(f, start, rules_fx,
match_start, match_end))
break;
@@ -2089,16 +2091,18 @@ static void nft_pipapo_remove(const struct net *net, const struct nft_set *set,
match_start += NFT_PIPAPO_GROUPS_PADDED_SIZE(f);
match_end += NFT_PIPAPO_GROUPS_PADDED_SIZE(f);
- }
- if (i == m->field_count) {
- priv->dirty = true;
- pipapo_drop(m, rulemap);
- return;
+ if (last && f->mt[rulemap[i].to].e == e) {
+ priv->dirty = true;
+ pipapo_drop(m, rulemap);
+ return;
+ }
}
first_rule += rules_f0;
}
+
+ WARN_ON_ONCE(1); /* elem_priv not found */
}
/**
--
GitLab
From 87b3593bed1868b2d9fe096c01bcdf0ea86cbebf Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Tue, 9 Apr 2024 13:47:33 +0200
Subject: [PATCH 2453/2686] netfilter: flowtable: validate pppoe header
Ensure there is sufficient room to access the protocol field of the
PPPoe header. Validate it once before the flowtable lookup, then use a
helper function to access protocol field.
Reported-by: syzbot+b6f07e1c07ef40199081@syzkaller.appspotmail.com
Fixes: 72efd585f714 ("netfilter: flowtable: add pppoe support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
include/net/netfilter/nf_flow_table.h | 12 +++++++++++-
net/netfilter/nf_flow_table_inet.c | 3 ++-
net/netfilter/nf_flow_table_ip.c | 8 +++++---
3 files changed, 18 insertions(+), 5 deletions(-)
diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h
index a763dd327c6ea..9abb7ee40d72f 100644
--- a/include/net/netfilter/nf_flow_table.h
+++ b/include/net/netfilter/nf_flow_table.h
@@ -336,7 +336,7 @@ int nf_flow_rule_route_ipv6(struct net *net, struct flow_offload *flow,
int nf_flow_table_offload_init(void);
void nf_flow_table_offload_exit(void);
-static inline __be16 nf_flow_pppoe_proto(const struct sk_buff *skb)
+static inline __be16 __nf_flow_pppoe_proto(const struct sk_buff *skb)
{
__be16 proto;
@@ -352,6 +352,16 @@ static inline __be16 nf_flow_pppoe_proto(const struct sk_buff *skb)
return 0;
}
+static inline bool nf_flow_pppoe_proto(struct sk_buff *skb, __be16 *inner_proto)
+{
+ if (!pskb_may_pull(skb, PPPOE_SES_HLEN))
+ return false;
+
+ *inner_proto = __nf_flow_pppoe_proto(skb);
+
+ return true;
+}
+
#define NF_FLOW_TABLE_STAT_INC(net, count) __this_cpu_inc((net)->ft.stat->count)
#define NF_FLOW_TABLE_STAT_DEC(net, count) __this_cpu_dec((net)->ft.stat->count)
#define NF_FLOW_TABLE_STAT_INC_ATOMIC(net, count) \
diff --git a/net/netfilter/nf_flow_table_inet.c b/net/netfilter/nf_flow_table_inet.c
index 9505f9d188ff2..6eef15648b7b0 100644
--- a/net/netfilter/nf_flow_table_inet.c
+++ b/net/netfilter/nf_flow_table_inet.c
@@ -21,7 +21,8 @@ nf_flow_offload_inet_hook(void *priv, struct sk_buff *skb,
proto = veth->h_vlan_encapsulated_proto;
break;
case htons(ETH_P_PPP_SES):
- proto = nf_flow_pppoe_proto(skb);
+ if (!nf_flow_pppoe_proto(skb, &proto))
+ return NF_ACCEPT;
break;
default:
proto = skb->protocol;
diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
index e45fade764096..9e9e105052dae 100644
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -273,10 +273,11 @@ static unsigned int nf_flow_xmit_xfrm(struct sk_buff *skb,
return NF_STOLEN;
}
-static bool nf_flow_skb_encap_protocol(const struct sk_buff *skb, __be16 proto,
+static bool nf_flow_skb_encap_protocol(struct sk_buff *skb, __be16 proto,
u32 *offset)
{
struct vlan_ethhdr *veth;
+ __be16 inner_proto;
switch (skb->protocol) {
case htons(ETH_P_8021Q):
@@ -287,7 +288,8 @@ static bool nf_flow_skb_encap_protocol(const struct sk_buff *skb, __be16 proto,
}
break;
case htons(ETH_P_PPP_SES):
- if (nf_flow_pppoe_proto(skb) == proto) {
+ if (nf_flow_pppoe_proto(skb, &inner_proto) &&
+ inner_proto == proto) {
*offset += PPPOE_SES_HLEN;
return true;
}
@@ -316,7 +318,7 @@ static void nf_flow_encap_pop(struct sk_buff *skb,
skb_reset_network_header(skb);
break;
case htons(ETH_P_PPP_SES):
- skb->protocol = nf_flow_pppoe_proto(skb);
+ skb->protocol = __nf_flow_pppoe_proto(skb);
skb_pull(skb, PPPOE_SES_HLEN);
skb_reset_network_header(skb);
break;
--
GitLab
From 6db5dc7b351b9569940cd1cf445e237c42cd6d27 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Thu, 11 Apr 2024 00:09:00 +0200
Subject: [PATCH 2454/2686] netfilter: flowtable: incorrect pppoe tuple
pppoe traffic reaching ingress path does not match the flowtable entry
because the pppoe header is expected to be at the network header offset.
This bug causes a mismatch in the flow table lookup, so pppoe packets
enter the classical forwarding path.
Fixes: 72efd585f714 ("netfilter: flowtable: add pppoe support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_flow_table_ip.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
index 9e9e105052dae..5383bed3d3e00 100644
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -157,7 +157,7 @@ static void nf_flow_tuple_encap(struct sk_buff *skb,
tuple->encap[i].proto = skb->protocol;
break;
case htons(ETH_P_PPP_SES):
- phdr = (struct pppoe_hdr *)skb_mac_header(skb);
+ phdr = (struct pppoe_hdr *)skb_network_header(skb);
tuple->encap[i].id = ntohs(phdr->sid);
tuple->encap[i].proto = skb->protocol;
break;
--
GitLab
From 1aa4ad4eb695bac1b0a7ba542a16d6833c9c8dd8 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Thu, 11 Apr 2024 08:58:45 +0300
Subject: [PATCH 2455/2686] serial: core: Fix missing shutdown and startup for
serial base port
We are seeing start_tx being called after port shutdown as noted by Jiri.
This happens because we are missing the startup and shutdown related
functions for the serial base port.
Let's fix the issue by adding startup and shutdown functions for the
serial base port to block tx flushing for the serial base port when the
port is not in use.
Fixes: 84a9582fd203 ("serial: core: Start managing serial controllers to enable runtime PM")
Cc: stable <stable@kernel.org>
Reported-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20240411055848.38190-1-tony@atomide.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/serial_base.h | 4 ++++
drivers/tty/serial/serial_core.c | 20 ++++++++++++++++---
drivers/tty/serial/serial_port.c | 34 ++++++++++++++++++++++++++++++++
3 files changed, 55 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/serial/serial_base.h b/drivers/tty/serial/serial_base.h
index c74c548f0db62..b6c38d2edfd40 100644
--- a/drivers/tty/serial/serial_base.h
+++ b/drivers/tty/serial/serial_base.h
@@ -22,6 +22,7 @@ struct serial_ctrl_device {
struct serial_port_device {
struct device dev;
struct uart_port *port;
+ unsigned int tx_enabled:1;
};
int serial_base_ctrl_init(void);
@@ -30,6 +31,9 @@ void serial_base_ctrl_exit(void);
int serial_base_port_init(void);
void serial_base_port_exit(void);
+void serial_base_port_startup(struct uart_port *port);
+void serial_base_port_shutdown(struct uart_port *port);
+
int serial_base_driver_register(struct device_driver *driver);
void serial_base_driver_unregister(struct device_driver *driver);
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 2247efe972503..c476d884356db 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -323,16 +323,26 @@ static int uart_startup(struct tty_struct *tty, struct uart_state *state,
bool init_hw)
{
struct tty_port *port = &state->port;
+ struct uart_port *uport;
int retval;
if (tty_port_initialized(port))
- return 0;
+ goto out_base_port_startup;
retval = uart_port_startup(tty, state, init_hw);
- if (retval)
+ if (retval) {
set_bit(TTY_IO_ERROR, &tty->flags);
+ return retval;
+ }
- return retval;
+out_base_port_startup:
+ uport = uart_port_check(state);
+ if (!uport)
+ return -EIO;
+
+ serial_base_port_startup(uport);
+
+ return 0;
}
/*
@@ -355,6 +365,9 @@ static void uart_shutdown(struct tty_struct *tty, struct uart_state *state)
if (tty)
set_bit(TTY_IO_ERROR, &tty->flags);
+ if (uport)
+ serial_base_port_shutdown(uport);
+
if (tty_port_initialized(port)) {
tty_port_set_initialized(port, false);
@@ -1775,6 +1788,7 @@ static void uart_tty_port_shutdown(struct tty_port *port)
uport->ops->stop_rx(uport);
uart_port_unlock_irq(uport);
+ serial_base_port_shutdown(uport);
uart_port_shutdown(port);
/*
diff --git a/drivers/tty/serial/serial_port.c b/drivers/tty/serial/serial_port.c
index 22b9eeb23e68a..7e3a1c7b097c3 100644
--- a/drivers/tty/serial/serial_port.c
+++ b/drivers/tty/serial/serial_port.c
@@ -39,8 +39,12 @@ static int serial_port_runtime_resume(struct device *dev)
/* Flush any pending TX for the port */
uart_port_lock_irqsave(port, &flags);
+ if (!port_dev->tx_enabled)
+ goto unlock;
if (__serial_port_busy(port))
port->ops->start_tx(port);
+
+unlock:
uart_port_unlock_irqrestore(port, flags);
out:
@@ -60,6 +64,11 @@ static int serial_port_runtime_suspend(struct device *dev)
return 0;
uart_port_lock_irqsave(port, &flags);
+ if (!port_dev->tx_enabled) {
+ uart_port_unlock_irqrestore(port, flags);
+ return 0;
+ }
+
busy = __serial_port_busy(port);
if (busy)
port->ops->start_tx(port);
@@ -71,6 +80,31 @@ static int serial_port_runtime_suspend(struct device *dev)
return busy ? -EBUSY : 0;
}
+static void serial_base_port_set_tx(struct uart_port *port,
+ struct serial_port_device *port_dev,
+ bool enabled)
+{
+ unsigned long flags;
+
+ uart_port_lock_irqsave(port, &flags);
+ port_dev->tx_enabled = enabled;
+ uart_port_unlock_irqrestore(port, flags);
+}
+
+void serial_base_port_startup(struct uart_port *port)
+{
+ struct serial_port_device *port_dev = port->port_dev;
+
+ serial_base_port_set_tx(port, port_dev, true);
+}
+
+void serial_base_port_shutdown(struct uart_port *port)
+{
+ struct serial_port_device *port_dev = port->port_dev;
+
+ serial_base_port_set_tx(port, port_dev, false);
+}
+
static DEFINE_RUNTIME_DEV_PM_OPS(serial_port_pm,
serial_port_runtime_suspend,
serial_port_runtime_resume, NULL);
--
GitLab
From 34b990e9bb54d20b9675ca9483be8668eed374d8 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <festevam@denx.de>
Date: Tue, 9 Apr 2024 13:29:10 -0300
Subject: [PATCH 2456/2686] usb: misc: onboard_usb_hub: Disable the USB hub
clock on failure
In case regulator_bulk_enable() fails, the previously enabled USB hub
clock should be disabled.
Fix it accordingly.
Fixes: 65e62b8a955a ("usb: misc: onboard_usb_hub: Add support for clock input")
Cc: stable <stable@kernel.org>
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Acked-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20240409162910.2061640-1-festevam@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/misc/onboard_usb_hub.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c
index c6101ed2d9d49..d8049275a023c 100644
--- a/drivers/usb/misc/onboard_usb_hub.c
+++ b/drivers/usb/misc/onboard_usb_hub.c
@@ -78,7 +78,7 @@ static int onboard_hub_power_on(struct onboard_hub *hub)
err = regulator_bulk_enable(hub->pdata->num_supplies, hub->supplies);
if (err) {
dev_err(hub->dev, "failed to enable supplies: %pe\n", ERR_PTR(err));
- return err;
+ goto disable_clk;
}
fsleep(hub->pdata->reset_us);
@@ -87,6 +87,10 @@ static int onboard_hub_power_on(struct onboard_hub *hub)
hub->is_powered_on = true;
return 0;
+
+disable_clk:
+ clk_disable_unprepare(hub->clk);
+ return err;
}
static int onboard_hub_power_off(struct onboard_hub *hub)
--
GitLab
From c8d2f34ea96ea3bce6ba2535f867f0d4ee3b22e1 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sat, 23 Mar 2024 17:48:43 +0100
Subject: [PATCH 2457/2686] speakup: Avoid crash on very long word
In case a console is set up really large and contains a really long word
(> 256 characters), we have to stop before the length of the word buffer.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Fixes: c6e3fd22cd538 ("Staging: add speakup to the staging directory")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240323164843.1426997-1-samuel.thibault@ens-lyon.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/accessibility/speakup/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/accessibility/speakup/main.c b/drivers/accessibility/speakup/main.c
index 1fbc9b921c4fc..736c2eb8c0f37 100644
--- a/drivers/accessibility/speakup/main.c
+++ b/drivers/accessibility/speakup/main.c
@@ -574,7 +574,7 @@ static u_long get_word(struct vc_data *vc)
}
attr_ch = get_char(vc, (u_short *)tmp_pos, &spk_attr);
buf[cnt++] = attr_ch;
- while (tmpx < vc->vc_cols - 1) {
+ while (tmpx < vc->vc_cols - 1 && cnt < sizeof(buf) - 1) {
tmp_pos += 2;
tmpx++;
ch = get_char(vc, (u_short *)tmp_pos, &temp);
--
GitLab
From 0dc04112bee6fdd6eb847ccb32214703022c0269 Mon Sep 17 00:00:00 2001
From: Alexander Usyskin <alexander.usyskin@intel.com>
Date: Tue, 12 Mar 2024 07:19:58 +0200
Subject: [PATCH 2458/2686] mei: me: disable RPL-S on SPS and IGN firmwares
Extend the quirk to disable MEI interface on Intel PCH Ignition (IGN)
and SPS firmwares for RPL-S devices. These firmwares do not support
the MEI protocol.
Fixes: 3ed8c7d39cfe ("mei: me: add raptor lake point S DID")
Cc: stable@vger.kernel.org
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20240312051958.118478-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/pci-me.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index b5757993c9b2a..c39718042e2e0 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -116,7 +116,7 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
{MEI_PCI_DEVICE(MEI_DEV_ID_ADP_P, MEI_ME_PCH15_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_ADP_N, MEI_ME_PCH15_CFG)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_RPL_S, MEI_ME_PCH15_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_RPL_S, MEI_ME_PCH15_SPS_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_MTL_M, MEI_ME_PCH15_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_ARL_S, MEI_ME_PCH15_CFG)},
--
GitLab
From 26ac2df47d4c58f17210b7a59037e40f7eca693e Mon Sep 17 00:00:00 2001
From: Ricky Wu <ricky_wu@realtek.com>
Date: Thu, 14 Mar 2024 14:51:13 +0800
Subject: [PATCH 2459/2686] misc: rtsx: Fix rts5264 driver status incorrect
when card removed
rts5264 driver not clean express link error and set EXTRA_CAPS_SD_EXPRESS
capability back when card removed
Fixes: 6a511c9b3a0d ("misc: rtsx: add to support new card reader rts5264")
Cc: stable <stable@kernel.org>
Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
Link: https://lore.kernel.org/r/20240314065113.5962-1-ricky_wu@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/cardreader/rtsx_pcr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c
index 1a64364700eb0..0ad2ff9065aad 100644
--- a/drivers/misc/cardreader/rtsx_pcr.c
+++ b/drivers/misc/cardreader/rtsx_pcr.c
@@ -1002,7 +1002,7 @@ static irqreturn_t rtsx_pci_isr(int irq, void *dev_id)
} else {
pcr->card_removed |= SD_EXIST;
pcr->card_inserted &= ~SD_EXIST;
- if (PCI_PID(pcr) == PID_5261) {
+ if ((PCI_PID(pcr) == PID_5261) || (PCI_PID(pcr) == PID_5264)) {
rtsx_pci_write_register(pcr, RTS5261_FW_STATUS,
RTS5261_EXPRESS_LINK_FAIL_MASK, 0);
pcr->extra_caps |= EXTRA_CAPS_SD_EXPRESS;
--
GitLab
From e3dc66d998d2b0c2734db9ca1d6c94c97349529a Mon Sep 17 00:00:00 2001
From: Sakari Ailus <sakari.ailus@linux.intel.com>
Date: Wed, 3 Apr 2024 13:13:40 +0800
Subject: [PATCH 2460/2686] Revert "mei: vsc: Call wake_up() in the threaded
IRQ handler"
This reverts commit 058a38acba15fd8e7b262ec6e17c4204cb15f984.
It's not necessary to avoid a spinlock, a sleeping lock on PREEMPT_RT, in
an interrupt handler as the interrupt handler itself would be called in a
process context if PREEMPT_RT is enabled. So revert the patch.
Cc: stable@vger.kernel.org # for 6.8
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20240403051341.3534650-1-wentong.wu@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/vsc-tp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/mei/vsc-tp.c b/drivers/misc/mei/vsc-tp.c
index ecfb70cd057ca..968a92a7425df 100644
--- a/drivers/misc/mei/vsc-tp.c
+++ b/drivers/misc/mei/vsc-tp.c
@@ -419,6 +419,8 @@ static irqreturn_t vsc_tp_isr(int irq, void *data)
atomic_inc(&tp->assert_cnt);
+ wake_up(&tp->xfer_wait);
+
return IRQ_WAKE_THREAD;
}
@@ -426,8 +428,6 @@ static irqreturn_t vsc_tp_thread_isr(int irq, void *data)
{
struct vsc_tp *tp = data;
- wake_up(&tp->xfer_wait);
-
if (tp->event_notify)
tp->event_notify(tp->event_notify_context);
--
GitLab
From f6085a96c97387154be7eaebd1a5420eb3cd55dc Mon Sep 17 00:00:00 2001
From: Sakari Ailus <sakari.ailus@linux.intel.com>
Date: Wed, 3 Apr 2024 13:13:41 +0800
Subject: [PATCH 2461/2686] mei: vsc: Unregister interrupt handler for system
suspend
Unregister the MEI VSC interrupt handler before system suspend and
re-register it at system resume time. This mirrors implementation of other
MEI devices.
This patch fixes the bug that causes continuous stream of MEI VSC errors
after system resume.
Fixes: 386a766c4169 ("mei: Add MEI hardware support for IVSC device")
Cc: stable@vger.kernel.org # for 6.8
Reported-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Wentong Wu <wentong.wu@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20240403051341.3534650-2-wentong.wu@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/misc/mei/platform-vsc.c | 17 ++++++-
drivers/misc/mei/vsc-tp.c | 84 +++++++++++++++++++++++----------
drivers/misc/mei/vsc-tp.h | 3 ++
3 files changed, 78 insertions(+), 26 deletions(-)
diff --git a/drivers/misc/mei/platform-vsc.c b/drivers/misc/mei/platform-vsc.c
index 6c9f00bcb94b1..b543e6b9f3cfd 100644
--- a/drivers/misc/mei/platform-vsc.c
+++ b/drivers/misc/mei/platform-vsc.c
@@ -400,25 +400,40 @@ static void mei_vsc_remove(struct platform_device *pdev)
static int mei_vsc_suspend(struct device *dev)
{
struct mei_device *mei_dev = dev_get_drvdata(dev);
+ struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);
mei_stop(mei_dev);
+ mei_disable_interrupts(mei_dev);
+
+ vsc_tp_free_irq(hw->tp);
+
return 0;
}
static int mei_vsc_resume(struct device *dev)
{
struct mei_device *mei_dev = dev_get_drvdata(dev);
+ struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);
int ret;
- ret = mei_restart(mei_dev);
+ ret = vsc_tp_request_irq(hw->tp);
if (ret)
return ret;
+ ret = mei_restart(mei_dev);
+ if (ret)
+ goto err_free;
+
/* start timer if stopped in suspend */
schedule_delayed_work(&mei_dev->timer_work, HZ);
return 0;
+
+err_free:
+ vsc_tp_free_irq(hw->tp);
+
+ return ret;
}
static DEFINE_SIMPLE_DEV_PM_OPS(mei_vsc_pm_ops, mei_vsc_suspend, mei_vsc_resume);
diff --git a/drivers/misc/mei/vsc-tp.c b/drivers/misc/mei/vsc-tp.c
index 968a92a7425df..e6a98dba8a735 100644
--- a/drivers/misc/mei/vsc-tp.c
+++ b/drivers/misc/mei/vsc-tp.c
@@ -94,6 +94,27 @@ static const struct acpi_gpio_mapping vsc_tp_acpi_gpios[] = {
{}
};
+static irqreturn_t vsc_tp_isr(int irq, void *data)
+{
+ struct vsc_tp *tp = data;
+
+ atomic_inc(&tp->assert_cnt);
+
+ wake_up(&tp->xfer_wait);
+
+ return IRQ_WAKE_THREAD;
+}
+
+static irqreturn_t vsc_tp_thread_isr(int irq, void *data)
+{
+ struct vsc_tp *tp = data;
+
+ if (tp->event_notify)
+ tp->event_notify(tp->event_notify_context);
+
+ return IRQ_HANDLED;
+}
+
/* wakeup firmware and wait for response */
static int vsc_tp_wakeup_request(struct vsc_tp *tp)
{
@@ -383,6 +404,37 @@ int vsc_tp_register_event_cb(struct vsc_tp *tp, vsc_tp_event_cb_t event_cb,
}
EXPORT_SYMBOL_NS_GPL(vsc_tp_register_event_cb, VSC_TP);
+/**
+ * vsc_tp_request_irq - request irq for vsc_tp device
+ * @tp: vsc_tp device handle
+ */
+int vsc_tp_request_irq(struct vsc_tp *tp)
+{
+ struct spi_device *spi = tp->spi;
+ struct device *dev = &spi->dev;
+ int ret;
+
+ irq_set_status_flags(spi->irq, IRQ_DISABLE_UNLAZY);
+ ret = request_threaded_irq(spi->irq, vsc_tp_isr, vsc_tp_thread_isr,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ dev_name(dev), tp);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+EXPORT_SYMBOL_NS_GPL(vsc_tp_request_irq, VSC_TP);
+
+/**
+ * vsc_tp_free_irq - free irq for vsc_tp device
+ * @tp: vsc_tp device handle
+ */
+void vsc_tp_free_irq(struct vsc_tp *tp)
+{
+ free_irq(tp->spi->irq, tp);
+}
+EXPORT_SYMBOL_NS_GPL(vsc_tp_free_irq, VSC_TP);
+
/**
* vsc_tp_intr_synchronize - synchronize vsc_tp interrupt
* @tp: vsc_tp device handle
@@ -413,27 +465,6 @@ void vsc_tp_intr_disable(struct vsc_tp *tp)
}
EXPORT_SYMBOL_NS_GPL(vsc_tp_intr_disable, VSC_TP);
-static irqreturn_t vsc_tp_isr(int irq, void *data)
-{
- struct vsc_tp *tp = data;
-
- atomic_inc(&tp->assert_cnt);
-
- wake_up(&tp->xfer_wait);
-
- return IRQ_WAKE_THREAD;
-}
-
-static irqreturn_t vsc_tp_thread_isr(int irq, void *data)
-{
- struct vsc_tp *tp = data;
-
- if (tp->event_notify)
- tp->event_notify(tp->event_notify_context);
-
- return IRQ_HANDLED;
-}
-
static int vsc_tp_match_any(struct acpi_device *adev, void *data)
{
struct acpi_device **__adev = data;
@@ -490,10 +521,9 @@ static int vsc_tp_probe(struct spi_device *spi)
tp->spi = spi;
irq_set_status_flags(spi->irq, IRQ_DISABLE_UNLAZY);
- ret = devm_request_threaded_irq(dev, spi->irq, vsc_tp_isr,
- vsc_tp_thread_isr,
- IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
- dev_name(dev), tp);
+ ret = request_threaded_irq(spi->irq, vsc_tp_isr, vsc_tp_thread_isr,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ dev_name(dev), tp);
if (ret)
return ret;
@@ -522,6 +552,8 @@ static int vsc_tp_probe(struct spi_device *spi)
err_destroy_lock:
mutex_destroy(&tp->mutex);
+ free_irq(spi->irq, tp);
+
return ret;
}
@@ -532,6 +564,8 @@ static void vsc_tp_remove(struct spi_device *spi)
platform_device_unregister(tp->pdev);
mutex_destroy(&tp->mutex);
+
+ free_irq(spi->irq, tp);
}
static const struct acpi_device_id vsc_tp_acpi_ids[] = {
diff --git a/drivers/misc/mei/vsc-tp.h b/drivers/misc/mei/vsc-tp.h
index f9513ddc3e409..14ca195cbddcc 100644
--- a/drivers/misc/mei/vsc-tp.h
+++ b/drivers/misc/mei/vsc-tp.h
@@ -37,6 +37,9 @@ int vsc_tp_xfer(struct vsc_tp *tp, u8 cmd, const void *obuf, size_t olen,
int vsc_tp_register_event_cb(struct vsc_tp *tp, vsc_tp_event_cb_t event_cb,
void *context);
+int vsc_tp_request_irq(struct vsc_tp *tp);
+void vsc_tp_free_irq(struct vsc_tp *tp);
+
void vsc_tp_intr_enable(struct vsc_tp *tp);
void vsc_tp_intr_disable(struct vsc_tp *tp);
void vsc_tp_intr_synchronize(struct vsc_tp *tp);
--
GitLab
From d1718530e3f640b7d5f0050e725216eab57a85d8 Mon Sep 17 00:00:00 2001
From: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Date: Mon, 8 Apr 2024 10:16:33 -0700
Subject: [PATCH 2462/2686] comedi: vmk80xx: fix incomplete endpoint checking
While vmk80xx does have endpoint checking implemented, some things
can fall through the cracks. Depending on the hardware model,
URBs can have either bulk or interrupt type, and current version
of vmk80xx_find_usb_endpoints() function does not take that fully
into account. While this warning does not seem to be too harmful,
at the very least it will crash systems with 'panic_on_warn' set on
them.
Fix the issue found by Syzkaller [1] by somewhat simplifying the
endpoint checking process with usb_find_common_endpoints() and
ensuring that only expected endpoint types are present.
This patch has not been tested on real hardware.
[1] Syzkaller report:
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 0 PID: 781 at drivers/usb/core/urb.c:504 usb_submit_urb+0xc4e/0x18c0 drivers/usb/core/urb.c:503
...
Call Trace:
<TASK>
usb_start_wait_urb+0x113/0x520 drivers/usb/core/message.c:59
vmk80xx_reset_device drivers/comedi/drivers/vmk80xx.c:227 [inline]
vmk80xx_auto_attach+0xa1c/0x1a40 drivers/comedi/drivers/vmk80xx.c:818
comedi_auto_config+0x238/0x380 drivers/comedi/drivers.c:1067
usb_probe_interface+0x5cd/0xb00 drivers/usb/core/driver.c:399
...
Similar issue also found by Syzkaller:
Link: https://syzkaller.appspot.com/bug?extid=5205eb2f17de3e01946e
Reported-and-tested-by: syzbot+5f29dc6a889fc42bd896@syzkaller.appspotmail.com
Cc: stable <stable@kernel.org>
Fixes: 49253d542cc0 ("staging: comedi: vmk80xx: factor out usb endpoint detection")
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Link: https://lore.kernel.org/r/20240408171633.31649-1-n.zhandarovich@fintech.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/comedi/drivers/vmk80xx.c | 35 +++++++++++---------------------
1 file changed, 12 insertions(+), 23 deletions(-)
diff --git a/drivers/comedi/drivers/vmk80xx.c b/drivers/comedi/drivers/vmk80xx.c
index 4536ed43f65b2..84dce5184a77a 100644
--- a/drivers/comedi/drivers/vmk80xx.c
+++ b/drivers/comedi/drivers/vmk80xx.c
@@ -641,33 +641,22 @@ static int vmk80xx_find_usb_endpoints(struct comedi_device *dev)
struct vmk80xx_private *devpriv = dev->private;
struct usb_interface *intf = comedi_to_usb_interface(dev);
struct usb_host_interface *iface_desc = intf->cur_altsetting;
- struct usb_endpoint_descriptor *ep_desc;
- int i;
-
- if (iface_desc->desc.bNumEndpoints != 2)
- return -ENODEV;
-
- for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) {
- ep_desc = &iface_desc->endpoint[i].desc;
-
- if (usb_endpoint_is_int_in(ep_desc) ||
- usb_endpoint_is_bulk_in(ep_desc)) {
- if (!devpriv->ep_rx)
- devpriv->ep_rx = ep_desc;
- continue;
- }
+ struct usb_endpoint_descriptor *ep_rx_desc, *ep_tx_desc;
+ int ret;
- if (usb_endpoint_is_int_out(ep_desc) ||
- usb_endpoint_is_bulk_out(ep_desc)) {
- if (!devpriv->ep_tx)
- devpriv->ep_tx = ep_desc;
- continue;
- }
- }
+ if (devpriv->model == VMK8061_MODEL)
+ ret = usb_find_common_endpoints(iface_desc, &ep_rx_desc,
+ &ep_tx_desc, NULL, NULL);
+ else
+ ret = usb_find_common_endpoints(iface_desc, NULL, NULL,
+ &ep_rx_desc, &ep_tx_desc);
- if (!devpriv->ep_rx || !devpriv->ep_tx)
+ if (ret)
return -ENODEV;
+ devpriv->ep_rx = ep_rx_desc;
+ devpriv->ep_tx = ep_tx_desc;
+
if (!usb_endpoint_maxp(devpriv->ep_rx) || !usb_endpoint_maxp(devpriv->ep_tx))
return -EINVAL;
--
GitLab
From a90bca2228c0646fc29a72689d308e5fe03e6d78 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Wed, 13 Mar 2024 17:43:41 -0400
Subject: [PATCH 2463/2686] fs: sysfs: Fix reference leak in
sysfs_break_active_protection()
The sysfs_break_active_protection() routine has an obvious reference
leak in its error path. If the call to kernfs_find_and_get() fails then
kn will be NULL, so the companion sysfs_unbreak_active_protection()
routine won't get called (and would only cause an access violation by
trying to dereference kn->parent if it was called). As a result, the
reference to kobj acquired at the start of the function will never be
released.
Fix the leak by adding an explicit kobject_put() call when kn is NULL.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Fixes: 2afc9166f79b ("scsi: sysfs: Introduce sysfs_{un,}break_active_protection()")
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: stable@vger.kernel.org
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/8a4d3f0f-c5e3-4b70-a188-0ca433f9e6f9@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/sysfs/file.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 6b7652fb80505..7cd64021d453d 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -463,6 +463,8 @@ struct kernfs_node *sysfs_break_active_protection(struct kobject *kobj,
kn = kernfs_find_and_get(kobj->sd, attr->name);
if (kn)
kernfs_break_active_protection(kn);
+ else
+ kobject_put(kobj);
return kn;
}
EXPORT_SYMBOL_GPL(sysfs_break_active_protection);
--
GitLab
From aaef73821a3b0194a01bd23ca77774f704a04d40 Mon Sep 17 00:00:00 2001
From: Carlos Llamas <cmllamas@google.com>
Date: Sat, 30 Mar 2024 19:01:14 +0000
Subject: [PATCH 2464/2686] binder: check offset alignment in
binder_get_object()
Commit 6d98eb95b450 ("binder: avoid potential data leakage when copying
txn") introduced changes to how binder objects are copied. In doing so,
it unintentionally removed an offset alignment check done through calls
to binder_alloc_copy_from_buffer() -> check_buffer().
These calls were replaced in binder_get_object() with copy_from_user(),
so now an explicit offset alignment check is needed here. This avoids
later complications when unwinding the objects gets harder.
It is worth noting this check existed prior to commit 7a67a39320df
("binder: add function to copy binder object from buffer"), likely
removed due to redundancy at the time.
Fixes: 6d98eb95b450 ("binder: avoid potential data leakage when copying txn")
Cc: stable@vger.kernel.org
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Acked-by: Todd Kjos <tkjos@google.com>
Link: https://lore.kernel.org/r/20240330190115.1877819-1-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/android/binder.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index bad28cf420104..dd6923d37931f 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -1708,8 +1708,10 @@ static size_t binder_get_object(struct binder_proc *proc,
size_t object_size = 0;
read_size = min_t(size_t, sizeof(*object), buffer->data_size - offset);
- if (offset > buffer->data_size || read_size < sizeof(*hdr))
+ if (offset > buffer->data_size || read_size < sizeof(*hdr) ||
+ !IS_ALIGNED(offset, sizeof(u32)))
return 0;
+
if (u) {
if (copy_from_user(object, u + offset, read_size))
return 0;
--
GitLab
From f488138b526715c6d2568d7329c4477911be4210 Mon Sep 17 00:00:00 2001
From: Vasily Gorbik <gor@linux.ibm.com>
Date: Thu, 11 Apr 2024 11:45:57 +0200
Subject: [PATCH 2465/2686] NFSD: fix endianness issue in nfsd4_encode_fattr4
The nfs4 mount fails with EIO on 64-bit big endian architectures since
v6.7. The issue arises from employing a union in the nfsd4_encode_fattr4()
function to overlay a 32-bit array with a 64-bit values based bitmap,
which does not function as intended. Address the endianness issue by
utilizing bitmap_from_arr32() to copy 32-bit attribute masks into a
bitmap in an endianness-agnostic manner.
Cc: stable@vger.kernel.org
Fixes: fce7913b13d0 ("NFSD: Use a bitmask loop to encode FATTR4 results")
Link: https://bugs.launchpad.net/ubuntu/+source/nfs-utils/+bug/2060217
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
fs/nfsd/nfs4xdr.c | 47 +++++++++++++++++++++++------------------------
1 file changed, 23 insertions(+), 24 deletions(-)
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index fac938f563ad0..1955481832e03 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -3490,11 +3490,13 @@ nfsd4_encode_fattr4(struct svc_rqst *rqstp, struct xdr_stream *xdr,
struct dentry *dentry, const u32 *bmval,
int ignore_crossmnt)
{
+ DECLARE_BITMAP(attr_bitmap, ARRAY_SIZE(nfsd4_enc_fattr4_encode_ops));
struct nfsd4_fattr_args args;
struct svc_fh *tempfh = NULL;
int starting_len = xdr->buf->len;
__be32 *attrlen_p, status;
int attrlen_offset;
+ u32 attrmask[3];
int err;
struct nfsd4_compoundres *resp = rqstp->rq_resp;
u32 minorversion = resp->cstate.minorversion;
@@ -3502,10 +3504,6 @@ nfsd4_encode_fattr4(struct svc_rqst *rqstp, struct xdr_stream *xdr,
.mnt = exp->ex_path.mnt,
.dentry = dentry,
};
- union {
- u32 attrmask[3];
- unsigned long mask[2];
- } u;
unsigned long bit;
bool file_modified = false;
u64 size = 0;
@@ -3521,20 +3519,19 @@ nfsd4_encode_fattr4(struct svc_rqst *rqstp, struct xdr_stream *xdr,
/*
* Make a local copy of the attribute bitmap that can be modified.
*/
- memset(&u, 0, sizeof(u));
- u.attrmask[0] = bmval[0];
- u.attrmask[1] = bmval[1];
- u.attrmask[2] = bmval[2];
+ attrmask[0] = bmval[0];
+ attrmask[1] = bmval[1];
+ attrmask[2] = bmval[2];
args.rdattr_err = 0;
if (exp->ex_fslocs.migrated) {
- status = fattr_handle_absent_fs(&u.attrmask[0], &u.attrmask[1],
- &u.attrmask[2], &args.rdattr_err);
+ status = fattr_handle_absent_fs(&attrmask[0], &attrmask[1],
+ &attrmask[2], &args.rdattr_err);
if (status)
goto out;
}
args.size = 0;
- if (u.attrmask[0] & (FATTR4_WORD0_CHANGE | FATTR4_WORD0_SIZE)) {
+ if (attrmask[0] & (FATTR4_WORD0_CHANGE | FATTR4_WORD0_SIZE)) {
status = nfsd4_deleg_getattr_conflict(rqstp, d_inode(dentry),
&file_modified, &size);
if (status)
@@ -3553,16 +3550,16 @@ nfsd4_encode_fattr4(struct svc_rqst *rqstp, struct xdr_stream *xdr,
if (!(args.stat.result_mask & STATX_BTIME))
/* underlying FS does not offer btime so we can't share it */
- u.attrmask[1] &= ~FATTR4_WORD1_TIME_CREATE;
- if ((u.attrmask[0] & (FATTR4_WORD0_FILES_AVAIL | FATTR4_WORD0_FILES_FREE |
+ attrmask[1] &= ~FATTR4_WORD1_TIME_CREATE;
+ if ((attrmask[0] & (FATTR4_WORD0_FILES_AVAIL | FATTR4_WORD0_FILES_FREE |
FATTR4_WORD0_FILES_TOTAL | FATTR4_WORD0_MAXNAME)) ||
- (u.attrmask[1] & (FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE |
+ (attrmask[1] & (FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE |
FATTR4_WORD1_SPACE_TOTAL))) {
err = vfs_statfs(&path, &args.statfs);
if (err)
goto out_nfserr;
}
- if ((u.attrmask[0] & (FATTR4_WORD0_FILEHANDLE | FATTR4_WORD0_FSID)) &&
+ if ((attrmask[0] & (FATTR4_WORD0_FILEHANDLE | FATTR4_WORD0_FSID)) &&
!fhp) {
tempfh = kmalloc(sizeof(struct svc_fh), GFP_KERNEL);
status = nfserr_jukebox;
@@ -3577,10 +3574,10 @@ nfsd4_encode_fattr4(struct svc_rqst *rqstp, struct xdr_stream *xdr,
args.fhp = fhp;
args.acl = NULL;
- if (u.attrmask[0] & FATTR4_WORD0_ACL) {
+ if (attrmask[0] & FATTR4_WORD0_ACL) {
err = nfsd4_get_nfs4_acl(rqstp, dentry, &args.acl);
if (err == -EOPNOTSUPP)
- u.attrmask[0] &= ~FATTR4_WORD0_ACL;
+ attrmask[0] &= ~FATTR4_WORD0_ACL;
else if (err == -EINVAL) {
status = nfserr_attrnotsupp;
goto out;
@@ -3592,17 +3589,17 @@ nfsd4_encode_fattr4(struct svc_rqst *rqstp, struct xdr_stream *xdr,
#ifdef CONFIG_NFSD_V4_SECURITY_LABEL
args.context = NULL;
- if ((u.attrmask[2] & FATTR4_WORD2_SECURITY_LABEL) ||
- u.attrmask[0] & FATTR4_WORD0_SUPPORTED_ATTRS) {
+ if ((attrmask[2] & FATTR4_WORD2_SECURITY_LABEL) ||
+ attrmask[0] & FATTR4_WORD0_SUPPORTED_ATTRS) {
if (exp->ex_flags & NFSEXP_SECURITY_LABEL)
err = security_inode_getsecctx(d_inode(dentry),
&args.context, &args.contextlen);
else
err = -EOPNOTSUPP;
args.contextsupport = (err == 0);
- if (u.attrmask[2] & FATTR4_WORD2_SECURITY_LABEL) {
+ if (attrmask[2] & FATTR4_WORD2_SECURITY_LABEL) {
if (err == -EOPNOTSUPP)
- u.attrmask[2] &= ~FATTR4_WORD2_SECURITY_LABEL;
+ attrmask[2] &= ~FATTR4_WORD2_SECURITY_LABEL;
else if (err)
goto out_nfserr;
}
@@ -3610,8 +3607,8 @@ nfsd4_encode_fattr4(struct svc_rqst *rqstp, struct xdr_stream *xdr,
#endif /* CONFIG_NFSD_V4_SECURITY_LABEL */
/* attrmask */
- status = nfsd4_encode_bitmap4(xdr, u.attrmask[0],
- u.attrmask[1], u.attrmask[2]);
+ status = nfsd4_encode_bitmap4(xdr, attrmask[0], attrmask[1],
+ attrmask[2]);
if (status)
goto out;
@@ -3620,7 +3617,9 @@ nfsd4_encode_fattr4(struct svc_rqst *rqstp, struct xdr_stream *xdr,
attrlen_p = xdr_reserve_space(xdr, XDR_UNIT);
if (!attrlen_p)
goto out_resource;
- for_each_set_bit(bit, (const unsigned long *)&u.mask,
+ bitmap_from_arr32(attr_bitmap, attrmask,
+ ARRAY_SIZE(nfsd4_enc_fattr4_encode_ops));
+ for_each_set_bit(bit, attr_bitmap,
ARRAY_SIZE(nfsd4_enc_fattr4_encode_ops)) {
status = nfsd4_enc_fattr4_encode_ops[bit](xdr, &args);
if (status != nfs_ok)
--
GitLab
From 156539fd65019e8ed6b9fbac0583cf519cdbb227 Mon Sep 17 00:00:00 2001
From: Michael Ellerman <mpe@ellerman.id.au>
Date: Fri, 22 Mar 2024 21:38:40 +1100
Subject: [PATCH 2466/2686] Documentation: embargoed-hardware-issues.rst: Add
myself for Power
Unfortunately Anton has left IBM. Add myself as the contact for Power,
until someone else volunteers.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20240322103840.668746-1-mpe@ellerman.id.au
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/process/embargoed-hardware-issues.rst | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/process/embargoed-hardware-issues.rst b/Documentation/process/embargoed-hardware-issues.rst
index bb2100228cc7b..6e9a4597bf2cb 100644
--- a/Documentation/process/embargoed-hardware-issues.rst
+++ b/Documentation/process/embargoed-hardware-issues.rst
@@ -252,7 +252,7 @@ an involved disclosed party. The current ambassadors list:
AMD Tom Lendacky <thomas.lendacky@amd.com>
Ampere Darren Hart <darren@os.amperecomputing.com>
ARM Catalin Marinas <catalin.marinas@arm.com>
- IBM Power Anton Blanchard <anton@linux.ibm.com>
+ IBM Power Michael Ellerman <ellerman@au.ibm.com>
IBM Z Christian Borntraeger <borntraeger@de.ibm.com>
Intel Tony Luck <tony.luck@intel.com>
Qualcomm Trilok Soni <quic_tsoni@quicinc.com>
--
GitLab
From 50a9b7fc151e67b9e642232d32e8c5a5ac13e64a Mon Sep 17 00:00:00 2001
From: Lucas De Marchi <lucas.demarchi@intel.com>
Date: Fri, 5 Apr 2024 13:07:11 -0700
Subject: [PATCH 2467/2686] drm/xe/display: Fix double mutex initialization
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
All of these mutexes are already initialized by the display side since
commit 3fef3e6ff86a ("drm/i915: move display mutex inits to display
code"), so the xe shouldn´t initialize them.
Fixes: 44e694958b95 ("drm/xe/display: Implement display support")
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Arun R Murthy <arun.r.murthy@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240405200711.2041428-1-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 117de185edf2c5767f03575219bf7a43b161ff0d)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/display/xe_display.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c
index e4db069f0db3f..6ec375c1c4b6c 100644
--- a/drivers/gpu/drm/xe/display/xe_display.c
+++ b/drivers/gpu/drm/xe/display/xe_display.c
@@ -108,11 +108,6 @@ int xe_display_create(struct xe_device *xe)
xe->display.hotplug.dp_wq = alloc_ordered_workqueue("xe-dp", 0);
drmm_mutex_init(&xe->drm, &xe->sb_lock);
- drmm_mutex_init(&xe->drm, &xe->display.backlight.lock);
- drmm_mutex_init(&xe->drm, &xe->display.audio.mutex);
- drmm_mutex_init(&xe->drm, &xe->display.wm.wm_mutex);
- drmm_mutex_init(&xe->drm, &xe->display.pps.mutex);
- drmm_mutex_init(&xe->drm, &xe->display.hdcp.hdcp_mutex);
xe->enabled_irq_mask = ~0;
err = drmm_add_action_or_reset(&xe->drm, display_destroy, NULL);
--
GitLab
From a8ad8715472bb8f6a2ea8b4072a28151eb9f4f24 Mon Sep 17 00:00:00 2001
From: Karthik Poosa <karthik.poosa@intel.com>
Date: Fri, 5 Apr 2024 18:31:27 +0530
Subject: [PATCH 2468/2686] drm/xe/hwmon: Cast result to output precision on
left shift of operand
Address potential overflow in result of left shift of a
lower precision (u32) operand before assignment to higher
precision (u64) variable.
v2:
- Update commit message. (Himal)
Fixes: 4446fcf220ce ("drm/xe/hwmon: Expose power1_max_interval")
Signed-off-by: Karthik Poosa <karthik.poosa@intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Cc: Badal Nilawar <badal.nilawar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240405130127.1392426-5-karthik.poosa@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 883232b47b81108b0252197c747f396ecd51455a)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_hwmon.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_hwmon.c b/drivers/gpu/drm/xe/xe_hwmon.c
index b82233a416062..9ac7fbe201b3c 100644
--- a/drivers/gpu/drm/xe/xe_hwmon.c
+++ b/drivers/gpu/drm/xe/xe_hwmon.c
@@ -290,7 +290,7 @@ xe_hwmon_power1_max_interval_show(struct device *dev, struct device_attribute *a
* As y can be < 2, we compute tau4 = (4 | x) << y
* and then add 2 when doing the final right shift to account for units
*/
- tau4 = ((1 << x_w) | x) << y;
+ tau4 = (u64)((1 << x_w) | x) << y;
/* val in hwmon interface units (millisec) */
out = mul_u64_u32_shr(tau4, SF_TIME, hwmon->scl_shift_time + x_w);
@@ -330,7 +330,7 @@ xe_hwmon_power1_max_interval_store(struct device *dev, struct device_attribute *
r = FIELD_PREP(PKG_MAX_WIN, PKG_MAX_WIN_DEFAULT);
x = REG_FIELD_GET(PKG_MAX_WIN_X, r);
y = REG_FIELD_GET(PKG_MAX_WIN_Y, r);
- tau4 = ((1 << x_w) | x) << y;
+ tau4 = (u64)((1 << x_w) | x) << y;
max_win = mul_u64_u32_shr(tau4, SF_TIME, hwmon->scl_shift_time + x_w);
if (val > max_win)
--
GitLab
From 9cb46b31f3d08ed3fce86349e8c12f96d7c88717 Mon Sep 17 00:00:00 2001
From: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Date: Mon, 1 Apr 2024 23:23:00 +0530
Subject: [PATCH 2469/2686] drm/xe/xe_migrate: Cast to output precision before
multiplying operands
Addressing potential overflow in result of multiplication of two lower
precision (u32) operands before widening it to higher precision
(u64).
-v2
Fix commit message and description. (Rodrigo)
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240401175300.3823653-1-himal.prasad.ghimiray@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 34820967ae7b45411f8f4f737c2d63b0c608e0d7)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_migrate.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_migrate.c b/drivers/gpu/drm/xe/xe_migrate.c
index ee1bb938c4934..2ba4fb9511f63 100644
--- a/drivers/gpu/drm/xe/xe_migrate.c
+++ b/drivers/gpu/drm/xe/xe_migrate.c
@@ -227,7 +227,7 @@ static int xe_migrate_prepare_vm(struct xe_tile *tile, struct xe_migrate *m,
if (vm->flags & XE_VM_FLAG_64K && level == 1)
flags = XE_PDE_64K;
- entry = vm->pt_ops->pde_encode_bo(bo, map_ofs + (level - 1) *
+ entry = vm->pt_ops->pde_encode_bo(bo, map_ofs + (u64)(level - 1) *
XE_PAGE_SIZE, pat_index);
xe_map_wr(xe, &bo->vmap, map_ofs + XE_PAGE_SIZE * level, u64,
entry | flags);
@@ -235,7 +235,7 @@ static int xe_migrate_prepare_vm(struct xe_tile *tile, struct xe_migrate *m,
/* Write PDE's that point to our BO. */
for (i = 0; i < num_entries - num_level; i++) {
- entry = vm->pt_ops->pde_encode_bo(bo, i * XE_PAGE_SIZE,
+ entry = vm->pt_ops->pde_encode_bo(bo, (u64)i * XE_PAGE_SIZE,
pat_index);
xe_map_wr(xe, &bo->vmap, map_ofs + XE_PAGE_SIZE +
@@ -291,7 +291,7 @@ static int xe_migrate_prepare_vm(struct xe_tile *tile, struct xe_migrate *m,
#define VM_SA_UPDATE_UNIT_SIZE (XE_PAGE_SIZE / NUM_VMUSA_UNIT_PER_PAGE)
#define NUM_VMUSA_WRITES_PER_UNIT (VM_SA_UPDATE_UNIT_SIZE / sizeof(u64))
drm_suballoc_manager_init(&m->vm_update_sa,
- (map_ofs / XE_PAGE_SIZE - NUM_KERNEL_PDE) *
+ (size_t)(map_ofs / XE_PAGE_SIZE - NUM_KERNEL_PDE) *
NUM_VMUSA_UNIT_PER_PAGE, 0);
m->pt_bo = bo;
@@ -490,7 +490,7 @@ static void emit_pte(struct xe_migrate *m,
struct xe_vm *vm = m->q->vm;
u16 pat_index;
u32 ptes;
- u64 ofs = at_pt * XE_PAGE_SIZE;
+ u64 ofs = (u64)at_pt * XE_PAGE_SIZE;
u64 cur_ofs;
/* Indirect access needs compression enabled uncached PAT index */
--
GitLab
From f76646c83f028c62853c23dac49204232e903597 Mon Sep 17 00:00:00 2001
From: Ashutosh Dixit <ashutosh.dixit@intel.com>
Date: Thu, 4 Apr 2024 09:12:56 -0700
Subject: [PATCH 2470/2686] drm/xe: Label RING_CONTEXT_CONTROL as masked
RING_CONTEXT_CONTROL is a masked register.
v2: Also clean up setting register value (Lucas)
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404161256.3852502-1-ashutosh.dixit@intel.com
(cherry picked from commit dc30c6e7149baaae4288c742de95212b31f07438)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/regs/xe_engine_regs.h | 2 +-
drivers/gpu/drm/xe/xe_lrc.c | 5 ++---
2 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/xe/regs/xe_engine_regs.h b/drivers/gpu/drm/xe/regs/xe_engine_regs.h
index 0b1266c88a6af..deddc8be48c0a 100644
--- a/drivers/gpu/drm/xe/regs/xe_engine_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_engine_regs.h
@@ -125,7 +125,7 @@
#define RING_EXECLIST_STATUS_LO(base) XE_REG((base) + 0x234)
#define RING_EXECLIST_STATUS_HI(base) XE_REG((base) + 0x234 + 4)
-#define RING_CONTEXT_CONTROL(base) XE_REG((base) + 0x244)
+#define RING_CONTEXT_CONTROL(base) XE_REG((base) + 0x244, XE_REG_OPTION_MASKED)
#define CTX_CTRL_INHIBIT_SYN_CTX_SWITCH REG_BIT(3)
#define CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT REG_BIT(0)
diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c
index 1426febe86eb6..57066faf575ee 100644
--- a/drivers/gpu/drm/xe/xe_lrc.c
+++ b/drivers/gpu/drm/xe/xe_lrc.c
@@ -525,9 +525,8 @@ static const u8 *reg_offsets(struct xe_device *xe, enum xe_engine_class class)
static void set_context_control(u32 *regs, struct xe_hw_engine *hwe)
{
- regs[CTX_CONTEXT_CONTROL] = _MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH) |
- _MASKED_BIT_DISABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT) |
- CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT;
+ regs[CTX_CONTEXT_CONTROL] = _MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH |
+ CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT);
/* TODO: Timestamp */
}
--
GitLab
From ebaed6d4def877d2035786ff318379eb750044c8 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Fri, 29 Mar 2024 11:29:10 -0700
Subject: [PATCH 2471/2686] peci: linux/peci.h: fix Excess kernel-doc
description warning
Remove the @controller: line to prevent the kernel-doc warning:
include/linux/peci.h:84: warning: Excess struct member 'controller' description in 'peci_device'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Iwona Winiarska <iwona.winiarska@intel.com>
Cc: openbmc@lists.ozlabs.org
Reviewed-by: Iwona Winiarska <iwona.winiarska@intel.com>
Fixes: 6523d3b2ffa2 ("peci: Add core infrastructure")
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240329182910.29495-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/peci.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/include/linux/peci.h b/include/linux/peci.h
index 9b3d36aff431e..90e241458ef69 100644
--- a/include/linux/peci.h
+++ b/include/linux/peci.h
@@ -58,7 +58,6 @@ static inline struct peci_controller *to_peci_controller(void *d)
/**
* struct peci_device - PECI device
* @dev: device object to register PECI device to the device model
- * @controller: manages the bus segment hosting this PECI device
* @info: PECI device characteristics
* @info.family: device family
* @info.model: device model
--
GitLab
From fd706c9b1674e2858766bfbf7430534c2b26fbef Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Fri, 5 Apr 2024 16:55:54 -0700
Subject: [PATCH 2472/2686] KVM: x86: Snapshot if a vCPU's vendor model is AMD
vs. Intel compatible
Add kvm_vcpu_arch.is_amd_compatible to cache if a vCPU's vendor model is
compatible with AMD, i.e. if the vCPU vendor is AMD or Hygon, along with
helpers to check if a vCPU is compatible AMD vs. Intel. To handle Intel
vs. AMD behavior related to masking the LVTPC entry, KVM will need to
check for vendor compatibility on every PMI injection, i.e. querying for
AMD will soon be a moderately hot path.
Note! This subtly (or maybe not-so-subtly) makes "Intel compatible" KVM's
default behavior, both if userspace omits (or never sets) CPUID 0x0 and if
userspace sets a completely unknown vendor. One could argue that KVM
should treat such vCPUs as not being compatible with Intel *or* AMD, but
that would add useless complexity to KVM.
KVM needs to do *something* in the face of vendor specific behavior, and
so unless KVM conjured up a magic third option, choosing to treat unknown
vendors as neither Intel nor AMD means that checks on AMD compatibility
would yield Intel behavior, and checks for Intel compatibility would yield
AMD behavior. And that's far worse as it would effectively yield random
behavior depending on whether KVM checked for AMD vs. Intel vs. !AMD vs.
!Intel. And practically speaking, all x86 CPUs follow either Intel or AMD
architecture, i.e. "supporting" an unknown third architecture adds no
value.
Deliberately don't convert any of the existing guest_cpuid_is_intel()
checks, as the Intel side of things is messier due to some flows explicitly
checking for exactly vendor==Intel, versus some flows assuming anything
that isn't "AMD compatible" gets Intel behavior. The Intel code will be
cleaned up in the future.
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-ID: <20240405235603.1173076-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
arch/x86/include/asm/kvm_host.h | 1 +
arch/x86/kvm/cpuid.c | 1 +
arch/x86/kvm/cpuid.h | 10 ++++++++++
arch/x86/kvm/mmu/mmu.c | 2 +-
arch/x86/kvm/x86.c | 2 +-
5 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 16e07a2eee195..6efd1497b0263 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -855,6 +855,7 @@ struct kvm_vcpu_arch {
int cpuid_nent;
struct kvm_cpuid_entry2 *cpuid_entries;
struct kvm_hypervisor_cpuid kvm_cpuid;
+ bool is_amd_compatible;
/*
* FIXME: Drop this macro and use KVM_NR_GOVERNED_FEATURES directly
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index bfc0bfcb2bc60..77352a4abd87f 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -376,6 +376,7 @@ static void kvm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
kvm_update_pv_runtime(vcpu);
+ vcpu->arch.is_amd_compatible = guest_cpuid_is_amd_or_hygon(vcpu);
vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu);
vcpu->arch.reserved_gpa_bits = kvm_vcpu_reserved_gpa_bits_raw(vcpu);
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
index 856e3037e74f3..23dbb9eb277c7 100644
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -120,6 +120,16 @@ static inline bool guest_cpuid_is_intel(struct kvm_vcpu *vcpu)
return best && is_guest_vendor_intel(best->ebx, best->ecx, best->edx);
}
+static inline bool guest_cpuid_is_amd_compatible(struct kvm_vcpu *vcpu)
+{
+ return vcpu->arch.is_amd_compatible;
+}
+
+static inline bool guest_cpuid_is_intel_compatible(struct kvm_vcpu *vcpu)
+{
+ return !guest_cpuid_is_amd_compatible(vcpu);
+}
+
static inline int guest_cpuid_family(struct kvm_vcpu *vcpu)
{
struct kvm_cpuid_entry2 *best;
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 992e651540e85..bf4de6d7e39c6 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4935,7 +4935,7 @@ static void reset_guest_rsvds_bits_mask(struct kvm_vcpu *vcpu,
context->cpu_role.base.level, is_efer_nx(context),
guest_can_use(vcpu, X86_FEATURE_GBPAGES),
is_cr4_pse(context),
- guest_cpuid_is_amd_or_hygon(vcpu));
+ guest_cpuid_is_amd_compatible(vcpu));
}
static void __reset_rsvds_bits_mask_ept(struct rsvd_bits_validate *rsvd_check,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 47d9f03b77783..ebcc12d1e1de3 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3470,7 +3470,7 @@ static bool is_mci_status_msr(u32 msr)
static bool can_set_mci_status(struct kvm_vcpu *vcpu)
{
/* McStatusWrEn enabled? */
- if (guest_cpuid_is_amd_or_hygon(vcpu))
+ if (guest_cpuid_is_amd_compatible(vcpu))
return !!(vcpu->arch.msr_hwcr & BIT_ULL(18));
return false;
--
GitLab
From 49ff3b4aec51e3abfc9369997cc603319b02af9a Mon Sep 17 00:00:00 2001
From: Sandipan Das <sandipan.das@amd.com>
Date: Fri, 5 Apr 2024 16:55:55 -0700
Subject: [PATCH 2473/2686] KVM: x86/pmu: Do not mask LVTPC when handling a PMI
on AMD platforms
On AMD and Hygon platforms, the local APIC does not automatically set
the mask bit of the LVTPC register when handling a PMI and there is
no need to clear it in the kernel's PMI handler.
For guests, the mask bit is currently set by kvm_apic_local_deliver()
and unless it is cleared by the guest kernel's PMI handler, PMIs stop
arriving and break use-cases like sampling with perf record.
This does not affect non-PerfMonV2 guests because PMIs are handled in
the guest kernel by x86_pmu_handle_irq() which always clears the LVTPC
mask bit irrespective of the vendor.
Before:
$ perf record -e cycles:u true
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.001 MB perf.data (1 samples) ]
After:
$ perf record -e cycles:u true
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.002 MB perf.data (19 samples) ]
Fixes: a16eb25b09c0 ("KVM: x86: Mask LVTPC when handling a PMI")
Cc: stable@vger.kernel.org
Signed-off-by: Sandipan Das <sandipan.das@amd.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
[sean: use is_intel_compatible instead of !is_amd_or_hygon()]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-ID: <20240405235603.1173076-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
arch/x86/kvm/lapic.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index cf37586f04668..ebf41023be382 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -2776,7 +2776,8 @@ int kvm_apic_local_deliver(struct kvm_lapic *apic, int lvt_type)
trig_mode = reg & APIC_LVT_LEVEL_TRIGGER;
r = __apic_accept_irq(apic, mode, vector, 1, trig_mode, NULL);
- if (r && lvt_type == APIC_LVTPC)
+ if (r && lvt_type == APIC_LVTPC &&
+ guest_cpuid_is_intel_compatible(apic->vcpu))
kvm_lapic_set_reg(apic, APIC_LVTPC, reg | APIC_LVT_MASKED);
return r;
}
--
GitLab
From 2b8dbf69ec60faf6c7db49e57d7f316409ccec92 Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@kernel.org>
Date: Fri, 5 Apr 2024 14:17:57 -0700
Subject: [PATCH 2474/2686] perf annotate: Make sure to call
symbol__annotate2() in TUI
The symbol__annotate2() initializes some data structures needed by TUI.
It has a logic to prevent calling it multiple times by checking if it
has the annotated source. But data type profiling uses a different
code (symbol__annotate) to allocate the annotated lines in advance.
So TUI missed to call symbol__annotate2() when it shows the annotation
browser.
Make symbol__annotate() reentrant and handle that situation properly.
This fixes a crash in the annotation browser started by perf report in
TUI like below.
$ perf report -s type,sym --tui
# and press 'a' key and then move down
Fixes: 81e57deec325 ("perf report: Support data type profiling")
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240405211800.1412920-2-namhyung@kernel.org
---
tools/perf/ui/browsers/annotate.c | 2 +-
tools/perf/util/annotate.c | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index ec5e219328760..4790c735599bd 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -970,7 +970,7 @@ int symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel,
if (dso->annotate_warned)
return -1;
- if (not_annotated) {
+ if (not_annotated || !sym->annotate2) {
err = symbol__annotate2(ms, evsel, &browser.arch);
if (err) {
char msg[BUFSIZ];
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index ac002d907d818..50ca92255ff62 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -2461,6 +2461,9 @@ int symbol__annotate(struct map_symbol *ms, struct evsel *evsel,
if (parch)
*parch = arch;
+ if (!list_empty(¬es->src->source))
+ return 0;
+
args.arch = arch;
args.ms = *ms;
if (annotate_opts.full_addr)
--
GitLab
From b372e96bd0a32729d55d27f613c8bc80708a82e1 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 25 Mar 2024 09:21:20 +1100
Subject: [PATCH 2475/2686] ceph: redirty page before returning
AOP_WRITEPAGE_ACTIVATE
The page has been marked clean before writepage is called. If we don't
redirty it before postponing the write, it might never get written.
Cc: stable@vger.kernel.org
Fixes: 503d4fa6ee28 ("ceph: remove reliance on bdi congestion")
Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Xiubo Li <xiubli@redhat.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
fs/ceph/addr.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 1340d77124ae4..ee9caf7916fb9 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -795,8 +795,10 @@ static int ceph_writepage(struct page *page, struct writeback_control *wbc)
ihold(inode);
if (wbc->sync_mode == WB_SYNC_NONE &&
- ceph_inode_to_fs_client(inode)->write_congested)
+ ceph_inode_to_fs_client(inode)->write_congested) {
+ redirty_page_for_writepage(wbc, page);
return AOP_WRITEPAGE_ACTIVATE;
+ }
wait_on_page_fscache(page);
--
GitLab
From f3408580bac8ce5cd76e7391e529c0a22e7c7eb2 Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@kernel.org>
Date: Tue, 9 Apr 2024 15:55:42 -0700
Subject: [PATCH 2476/2686] perf lock contention: Add a missing NULL check
I got a report for a failure in BPF verifier on a recent kernel with
perf lock contention command. It checks task->sighand->siglock without
checking if sighand is NULL or not. Let's add one.
; if (&curr->sighand->siglock == (void *)lock)
265: (79) r1 = *(u64 *)(r0 +2624) ; frame1: R0_w=trusted_ptr_task_struct(off=0,imm=0)
; R1_w=rcu_ptr_or_null_sighand_struct(off=0,imm=0)
266: (b7) r2 = 0 ; frame1: R2_w=0
267: (0f) r1 += r2
R1 pointer arithmetic on rcu_ptr_or_null_ prohibited, null-check it first
processed 164 insns (limit 1000000) max_states_per_insn 1 total_states 15 peak_states 15 mark_read 5
-- END PROG LOAD LOG --
libbpf: prog 'contention_end': failed to load: -13
libbpf: failed to load object 'lock_contention_bpf'
libbpf: failed to load BPF skeleton 'lock_contention_bpf': -13
Failed to load lock-contention BPF skeleton
lock contention BPF setup failed
lock contention did not detect any lock contention
Fixes: 1811e82767dcc ("perf lock contention: Track and show siglock with address")
Reviewed-by: Ian Rogers <irogers@google.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Song Liu <song@kernel.org>
Cc: bpf@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240409225542.1870999-1-namhyung@kernel.org
---
tools/perf/util/bpf_skel/lock_contention.bpf.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/bpf_skel/lock_contention.bpf.c b/tools/perf/util/bpf_skel/lock_contention.bpf.c
index fb54bd38e7d09..d931a898c434b 100644
--- a/tools/perf/util/bpf_skel/lock_contention.bpf.c
+++ b/tools/perf/util/bpf_skel/lock_contention.bpf.c
@@ -284,6 +284,7 @@ static inline __u32 check_lock_type(__u64 lock, __u32 flags)
struct task_struct *curr;
struct mm_struct___old *mm_old;
struct mm_struct___new *mm_new;
+ struct sighand_struct *sighand;
switch (flags) {
case LCB_F_READ: /* rwsem */
@@ -305,7 +306,9 @@ static inline __u32 check_lock_type(__u64 lock, __u32 flags)
break;
case LCB_F_SPIN: /* spinlock */
curr = bpf_get_current_task_btf();
- if (&curr->sighand->siglock == (void *)lock)
+ sighand = curr->sighand;
+
+ if (sighand && &sighand->siglock == (void *)lock)
return LCD_F_SIGHAND_LOCK;
break;
default:
--
GitLab
From 3ef842a77e7cdf757fe3f1d2999aa2cc88eb53ba Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@kernel.org>
Date: Mon, 8 Apr 2024 11:55:12 -0700
Subject: [PATCH 2477/2686] tools/include: Sync uapi/drm/i915_drm.h with the
kernel sources
To pick up changes from:
b112364867499 ("drm/i915: Add GuC submission interface version query")
5cf0fbf763741 ("drm/i915: Add some boring kerneldoc")
This should be used to beautify DRM syscall arguments and it addresses
these tools/perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/uapi/drm/i915_drm.h include/uapi/drm/i915_drm.h
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240408185520.1550865-2-namhyung@kernel.org
---
tools/include/uapi/drm/i915_drm.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/tools/include/uapi/drm/i915_drm.h b/tools/include/uapi/drm/i915_drm.h
index fd4f9574d177a..2ee338860b7e0 100644
--- a/tools/include/uapi/drm/i915_drm.h
+++ b/tools/include/uapi/drm/i915_drm.h
@@ -3013,6 +3013,7 @@ struct drm_i915_query_item {
* - %DRM_I915_QUERY_MEMORY_REGIONS (see struct drm_i915_query_memory_regions)
* - %DRM_I915_QUERY_HWCONFIG_BLOB (see `GuC HWCONFIG blob uAPI`)
* - %DRM_I915_QUERY_GEOMETRY_SUBSLICES (see struct drm_i915_query_topology_info)
+ * - %DRM_I915_QUERY_GUC_SUBMISSION_VERSION (see struct drm_i915_query_guc_submission_version)
*/
__u64 query_id;
#define DRM_I915_QUERY_TOPOLOGY_INFO 1
@@ -3021,6 +3022,7 @@ struct drm_i915_query_item {
#define DRM_I915_QUERY_MEMORY_REGIONS 4
#define DRM_I915_QUERY_HWCONFIG_BLOB 5
#define DRM_I915_QUERY_GEOMETRY_SUBSLICES 6
+#define DRM_I915_QUERY_GUC_SUBMISSION_VERSION 7
/* Must be kept compact -- no holes and well documented */
/**
@@ -3566,6 +3568,20 @@ struct drm_i915_query_memory_regions {
struct drm_i915_memory_region_info regions[];
};
+/**
+ * struct drm_i915_query_guc_submission_version - query GuC submission interface version
+ */
+struct drm_i915_query_guc_submission_version {
+ /** @branch: Firmware branch version. */
+ __u32 branch;
+ /** @major: Firmware major version. */
+ __u32 major;
+ /** @minor: Firmware minor version. */
+ __u32 minor;
+ /** @patch: Firmware patch version. */
+ __u32 patch;
+};
+
/**
* DOC: GuC HWCONFIG blob uAPI
*
--
GitLab
From 4cfa8a873d3e3a87894f8de056ee69a857b5adcd Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@kernel.org>
Date: Mon, 8 Apr 2024 11:55:13 -0700
Subject: [PATCH 2478/2686] tools/include: Sync uapi/linux/fs.h with the kernel
sources
To pick up the changes from:
41bcbe59c3b3f ("fs: FS_IOC_GETUUID")
ae8c511757304 ("fs: add FS_IOC_GETFSSYSFSPATH")
73fa7547c70b3 ("vfs: add RWF_NOAPPEND flag for pwritev2")
This should be used to beautify fs syscall arguments and it addresses
these tools/perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/uapi/linux/fs.h include/uapi/linux/fs.h
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240408185520.1550865-3-namhyung@kernel.org
---
tools/include/uapi/linux/fs.h | 30 +++++++++++++++++++++++++++++-
1 file changed, 29 insertions(+), 1 deletion(-)
diff --git a/tools/include/uapi/linux/fs.h b/tools/include/uapi/linux/fs.h
index 48ad69f7722e1..45e4e64fd6643 100644
--- a/tools/include/uapi/linux/fs.h
+++ b/tools/include/uapi/linux/fs.h
@@ -64,6 +64,24 @@ struct fstrim_range {
__u64 minlen;
};
+/*
+ * We include a length field because some filesystems (vfat) have an identifier
+ * that we do want to expose as a UUID, but doesn't have the standard length.
+ *
+ * We use a fixed size buffer beacuse this interface will, by fiat, never
+ * support "UUIDs" longer than 16 bytes; we don't want to force all downstream
+ * users to have to deal with that.
+ */
+struct fsuuid2 {
+ __u8 len;
+ __u8 uuid[16];
+};
+
+struct fs_sysfs_path {
+ __u8 len;
+ __u8 name[128];
+};
+
/* extent-same (dedupe) ioctls; these MUST match the btrfs ioctl definitions */
#define FILE_DEDUPE_RANGE_SAME 0
#define FILE_DEDUPE_RANGE_DIFFERS 1
@@ -215,6 +233,13 @@ struct fsxattr {
#define FS_IOC_FSSETXATTR _IOW('X', 32, struct fsxattr)
#define FS_IOC_GETFSLABEL _IOR(0x94, 49, char[FSLABEL_MAX])
#define FS_IOC_SETFSLABEL _IOW(0x94, 50, char[FSLABEL_MAX])
+/* Returns the external filesystem UUID, the same one blkid returns */
+#define FS_IOC_GETFSUUID _IOR(0x15, 0, struct fsuuid2)
+/*
+ * Returns the path component under /sys/fs/ that refers to this filesystem;
+ * also /sys/kernel/debug/ for filesystems with debugfs exports
+ */
+#define FS_IOC_GETFSSYSFSPATH _IOR(0x15, 1, struct fs_sysfs_path)
/*
* Inode flags (FS_IOC_GETFLAGS / FS_IOC_SETFLAGS)
@@ -301,9 +326,12 @@ typedef int __bitwise __kernel_rwf_t;
/* per-IO O_APPEND */
#define RWF_APPEND ((__force __kernel_rwf_t)0x00000010)
+/* per-IO negation of O_APPEND */
+#define RWF_NOAPPEND ((__force __kernel_rwf_t)0x00000020)
+
/* mask of flags supported by the kernel */
#define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC | RWF_NOWAIT |\
- RWF_APPEND)
+ RWF_APPEND | RWF_NOAPPEND)
/* Pagemap ioctl */
#define PAGEMAP_SCAN _IOWR('f', 16, struct pm_scan_arg)
--
GitLab
From bee3b820c66a6aae0e16d0ac47f9744446f33bff Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@kernel.org>
Date: Mon, 8 Apr 2024 11:55:14 -0700
Subject: [PATCH 2479/2686] tools/include: Sync uapi/linux/kvm.h and asm/kvm.h
with the kernel sources
To pick up the changes from:
6bda055d6258 ("KVM: define __KVM_HAVE_GUEST_DEBUG unconditionally")
5d9cb71642db ("KVM: arm64: move ARM-specific defines to uapi/asm/kvm.h")
71cd774ad2f9 ("KVM: s390: move s390-specific structs to uapi/asm/kvm.h")
d750951c9ed7 ("KVM: powerpc: move powerpc-specific structs to uapi/asm/kvm.h")
bcac0477277e ("KVM: x86: move x86-specific structs to uapi/asm/kvm.h")
c0a411904e15 ("KVM: remove more traces of device assignment UAPI")
f3c80061c0d3 ("KVM: SEV: fix compat ABI for KVM_MEMORY_ENCRYPT_OP")
That should be used to beautify the KVM arguments and it addresses these
tools/perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h
diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h
diff -u tools/arch/powerpc/include/uapi/asm/kvm.h arch/powerpc/include/uapi/asm/kvm.h
diff -u tools/arch/s390/include/uapi/asm/kvm.h arch/s390/include/uapi/asm/kvm.h
diff -u tools/arch/arm64/include/uapi/asm/kvm.h arch/arm64/include/uapi/asm/kvm.h
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240408185520.1550865-4-namhyung@kernel.org
---
tools/arch/arm64/include/uapi/asm/kvm.h | 15 +-
tools/arch/powerpc/include/uapi/asm/kvm.h | 45 +-
tools/arch/s390/include/uapi/asm/kvm.h | 315 +++++++++-
tools/arch/x86/include/uapi/asm/kvm.h | 308 +++++++++-
tools/include/uapi/linux/kvm.h | 689 +---------------------
5 files changed, 672 insertions(+), 700 deletions(-)
diff --git a/tools/arch/arm64/include/uapi/asm/kvm.h b/tools/arch/arm64/include/uapi/asm/kvm.h
index 89d2fc872d9f5..964df31da9751 100644
--- a/tools/arch/arm64/include/uapi/asm/kvm.h
+++ b/tools/arch/arm64/include/uapi/asm/kvm.h
@@ -37,9 +37,7 @@
#include <asm/ptrace.h>
#include <asm/sve_context.h>
-#define __KVM_HAVE_GUEST_DEBUG
#define __KVM_HAVE_IRQ_LINE
-#define __KVM_HAVE_READONLY_MEM
#define __KVM_HAVE_VCPU_EVENTS
#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
@@ -76,11 +74,11 @@ struct kvm_regs {
/* KVM_ARM_SET_DEVICE_ADDR ioctl id encoding */
#define KVM_ARM_DEVICE_TYPE_SHIFT 0
-#define KVM_ARM_DEVICE_TYPE_MASK GENMASK(KVM_ARM_DEVICE_TYPE_SHIFT + 15, \
- KVM_ARM_DEVICE_TYPE_SHIFT)
+#define KVM_ARM_DEVICE_TYPE_MASK __GENMASK(KVM_ARM_DEVICE_TYPE_SHIFT + 15, \
+ KVM_ARM_DEVICE_TYPE_SHIFT)
#define KVM_ARM_DEVICE_ID_SHIFT 16
-#define KVM_ARM_DEVICE_ID_MASK GENMASK(KVM_ARM_DEVICE_ID_SHIFT + 15, \
- KVM_ARM_DEVICE_ID_SHIFT)
+#define KVM_ARM_DEVICE_ID_MASK __GENMASK(KVM_ARM_DEVICE_ID_SHIFT + 15, \
+ KVM_ARM_DEVICE_ID_SHIFT)
/* Supported device IDs */
#define KVM_ARM_DEVICE_VGIC_V2 0
@@ -162,6 +160,11 @@ struct kvm_sync_regs {
__u64 device_irq_level;
};
+/* Bits for run->s.regs.device_irq_level */
+#define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
+#define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
+#define KVM_ARM_DEV_PMU (1 << 2)
+
/*
* PMU filter structure. Describe a range of events with a particular
* action. To be used with KVM_ARM_VCPU_PMU_V3_FILTER.
diff --git a/tools/arch/powerpc/include/uapi/asm/kvm.h b/tools/arch/powerpc/include/uapi/asm/kvm.h
index 9f18fa090f1f1..1691297a766a9 100644
--- a/tools/arch/powerpc/include/uapi/asm/kvm.h
+++ b/tools/arch/powerpc/include/uapi/asm/kvm.h
@@ -28,7 +28,6 @@
#define __KVM_HAVE_PPC_SMT
#define __KVM_HAVE_IRQCHIP
#define __KVM_HAVE_IRQ_LINE
-#define __KVM_HAVE_GUEST_DEBUG
/* Not always available, but if it is, this is the correct offset. */
#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
@@ -733,4 +732,48 @@ struct kvm_ppc_xive_eq {
#define KVM_XIVE_TIMA_PAGE_OFFSET 0
#define KVM_XIVE_ESB_PAGE_OFFSET 4
+/* for KVM_PPC_GET_PVINFO */
+
+#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
+
+struct kvm_ppc_pvinfo {
+ /* out */
+ __u32 flags;
+ __u32 hcall[4];
+ __u8 pad[108];
+};
+
+/* for KVM_PPC_GET_SMMU_INFO */
+#define KVM_PPC_PAGE_SIZES_MAX_SZ 8
+
+struct kvm_ppc_one_page_size {
+ __u32 page_shift; /* Page shift (or 0) */
+ __u32 pte_enc; /* Encoding in the HPTE (>>12) */
+};
+
+struct kvm_ppc_one_seg_page_size {
+ __u32 page_shift; /* Base page shift of segment (or 0) */
+ __u32 slb_enc; /* SLB encoding for BookS */
+ struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
+};
+
+#define KVM_PPC_PAGE_SIZES_REAL 0x00000001
+#define KVM_PPC_1T_SEGMENTS 0x00000002
+#define KVM_PPC_NO_HASH 0x00000004
+
+struct kvm_ppc_smmu_info {
+ __u64 flags;
+ __u32 slb_size;
+ __u16 data_keys; /* # storage keys supported for data */
+ __u16 instr_keys; /* # storage keys supported for instructions */
+ struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
+};
+
+/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
+struct kvm_ppc_resize_hpt {
+ __u64 flags;
+ __u32 shift;
+ __u32 pad;
+};
+
#endif /* __LINUX_KVM_POWERPC_H */
diff --git a/tools/arch/s390/include/uapi/asm/kvm.h b/tools/arch/s390/include/uapi/asm/kvm.h
index abe926d43cbe0..05eaf6db3ad4c 100644
--- a/tools/arch/s390/include/uapi/asm/kvm.h
+++ b/tools/arch/s390/include/uapi/asm/kvm.h
@@ -12,7 +12,320 @@
#include <linux/types.h>
#define __KVM_S390
-#define __KVM_HAVE_GUEST_DEBUG
+
+struct kvm_s390_skeys {
+ __u64 start_gfn;
+ __u64 count;
+ __u64 skeydata_addr;
+ __u32 flags;
+ __u32 reserved[9];
+};
+
+#define KVM_S390_CMMA_PEEK (1 << 0)
+
+/**
+ * kvm_s390_cmma_log - Used for CMMA migration.
+ *
+ * Used both for input and output.
+ *
+ * @start_gfn: Guest page number to start from.
+ * @count: Size of the result buffer.
+ * @flags: Control operation mode via KVM_S390_CMMA_* flags
+ * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
+ * pages are still remaining.
+ * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
+ * in the PGSTE.
+ * @values: Pointer to the values buffer.
+ *
+ * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
+ */
+struct kvm_s390_cmma_log {
+ __u64 start_gfn;
+ __u32 count;
+ __u32 flags;
+ union {
+ __u64 remaining;
+ __u64 mask;
+ };
+ __u64 values;
+};
+
+#define KVM_S390_RESET_POR 1
+#define KVM_S390_RESET_CLEAR 2
+#define KVM_S390_RESET_SUBSYSTEM 4
+#define KVM_S390_RESET_CPU_INIT 8
+#define KVM_S390_RESET_IPL 16
+
+/* for KVM_S390_MEM_OP */
+struct kvm_s390_mem_op {
+ /* in */
+ __u64 gaddr; /* the guest address */
+ __u64 flags; /* flags */
+ __u32 size; /* amount of bytes */
+ __u32 op; /* type of operation */
+ __u64 buf; /* buffer in userspace */
+ union {
+ struct {
+ __u8 ar; /* the access register number */
+ __u8 key; /* access key, ignored if flag unset */
+ __u8 pad1[6]; /* ignored */
+ __u64 old_addr; /* ignored if cmpxchg flag unset */
+ };
+ __u32 sida_offset; /* offset into the sida */
+ __u8 reserved[32]; /* ignored */
+ };
+};
+/* types for kvm_s390_mem_op->op */
+#define KVM_S390_MEMOP_LOGICAL_READ 0
+#define KVM_S390_MEMOP_LOGICAL_WRITE 1
+#define KVM_S390_MEMOP_SIDA_READ 2
+#define KVM_S390_MEMOP_SIDA_WRITE 3
+#define KVM_S390_MEMOP_ABSOLUTE_READ 4
+#define KVM_S390_MEMOP_ABSOLUTE_WRITE 5
+#define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6
+
+/* flags for kvm_s390_mem_op->flags */
+#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
+#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
+#define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2)
+
+/* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
+#define KVM_S390_MEMOP_EXTENSION_CAP_BASE (1 << 0)
+#define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG (1 << 1)
+
+struct kvm_s390_psw {
+ __u64 mask;
+ __u64 addr;
+};
+
+/* valid values for type in kvm_s390_interrupt */
+#define KVM_S390_SIGP_STOP 0xfffe0000u
+#define KVM_S390_PROGRAM_INT 0xfffe0001u
+#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
+#define KVM_S390_RESTART 0xfffe0003u
+#define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
+#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
+#define KVM_S390_MCHK 0xfffe1000u
+#define KVM_S390_INT_CLOCK_COMP 0xffff1004u
+#define KVM_S390_INT_CPU_TIMER 0xffff1005u
+#define KVM_S390_INT_VIRTIO 0xffff2603u
+#define KVM_S390_INT_SERVICE 0xffff2401u
+#define KVM_S390_INT_EMERGENCY 0xffff1201u
+#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
+/* Anything below 0xfffe0000u is taken by INT_IO */
+#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
+ (((schid)) | \
+ ((ssid) << 16) | \
+ ((cssid) << 18) | \
+ ((ai) << 26))
+#define KVM_S390_INT_IO_MIN 0x00000000u
+#define KVM_S390_INT_IO_MAX 0xfffdffffu
+#define KVM_S390_INT_IO_AI_MASK 0x04000000u
+
+
+struct kvm_s390_interrupt {
+ __u32 type;
+ __u32 parm;
+ __u64 parm64;
+};
+
+struct kvm_s390_io_info {
+ __u16 subchannel_id;
+ __u16 subchannel_nr;
+ __u32 io_int_parm;
+ __u32 io_int_word;
+};
+
+struct kvm_s390_ext_info {
+ __u32 ext_params;
+ __u32 pad;
+ __u64 ext_params2;
+};
+
+struct kvm_s390_pgm_info {
+ __u64 trans_exc_code;
+ __u64 mon_code;
+ __u64 per_address;
+ __u32 data_exc_code;
+ __u16 code;
+ __u16 mon_class_nr;
+ __u8 per_code;
+ __u8 per_atmid;
+ __u8 exc_access_id;
+ __u8 per_access_id;
+ __u8 op_access_id;
+#define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
+#define KVM_S390_PGM_FLAGS_ILC_0 0x02
+#define KVM_S390_PGM_FLAGS_ILC_1 0x04
+#define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
+#define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
+ __u8 flags;
+ __u8 pad[2];
+};
+
+struct kvm_s390_prefix_info {
+ __u32 address;
+};
+
+struct kvm_s390_extcall_info {
+ __u16 code;
+};
+
+struct kvm_s390_emerg_info {
+ __u16 code;
+};
+
+#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
+struct kvm_s390_stop_info {
+ __u32 flags;
+};
+
+struct kvm_s390_mchk_info {
+ __u64 cr14;
+ __u64 mcic;
+ __u64 failing_storage_address;
+ __u32 ext_damage_code;
+ __u32 pad;
+ __u8 fixed_logout[16];
+};
+
+struct kvm_s390_irq {
+ __u64 type;
+ union {
+ struct kvm_s390_io_info io;
+ struct kvm_s390_ext_info ext;
+ struct kvm_s390_pgm_info pgm;
+ struct kvm_s390_emerg_info emerg;
+ struct kvm_s390_extcall_info extcall;
+ struct kvm_s390_prefix_info prefix;
+ struct kvm_s390_stop_info stop;
+ struct kvm_s390_mchk_info mchk;
+ char reserved[64];
+ } u;
+};
+
+struct kvm_s390_irq_state {
+ __u64 buf;
+ __u32 flags; /* will stay unused for compatibility reasons */
+ __u32 len;
+ __u32 reserved[4]; /* will stay unused for compatibility reasons */
+};
+
+struct kvm_s390_ucas_mapping {
+ __u64 user_addr;
+ __u64 vcpu_addr;
+ __u64 length;
+};
+
+struct kvm_s390_pv_sec_parm {
+ __u64 origin;
+ __u64 length;
+};
+
+struct kvm_s390_pv_unp {
+ __u64 addr;
+ __u64 size;
+ __u64 tweak;
+};
+
+enum pv_cmd_dmp_id {
+ KVM_PV_DUMP_INIT,
+ KVM_PV_DUMP_CONFIG_STOR_STATE,
+ KVM_PV_DUMP_COMPLETE,
+ KVM_PV_DUMP_CPU,
+};
+
+struct kvm_s390_pv_dmp {
+ __u64 subcmd;
+ __u64 buff_addr;
+ __u64 buff_len;
+ __u64 gaddr; /* For dump storage state */
+ __u64 reserved[4];
+};
+
+enum pv_cmd_info_id {
+ KVM_PV_INFO_VM,
+ KVM_PV_INFO_DUMP,
+};
+
+struct kvm_s390_pv_info_dump {
+ __u64 dump_cpu_buffer_len;
+ __u64 dump_config_mem_buffer_per_1m;
+ __u64 dump_config_finalize_len;
+};
+
+struct kvm_s390_pv_info_vm {
+ __u64 inst_calls_list[4];
+ __u64 max_cpus;
+ __u64 max_guests;
+ __u64 max_guest_addr;
+ __u64 feature_indication;
+};
+
+struct kvm_s390_pv_info_header {
+ __u32 id;
+ __u32 len_max;
+ __u32 len_written;
+ __u32 reserved;
+};
+
+struct kvm_s390_pv_info {
+ struct kvm_s390_pv_info_header header;
+ union {
+ struct kvm_s390_pv_info_dump dump;
+ struct kvm_s390_pv_info_vm vm;
+ };
+};
+
+enum pv_cmd_id {
+ KVM_PV_ENABLE,
+ KVM_PV_DISABLE,
+ KVM_PV_SET_SEC_PARMS,
+ KVM_PV_UNPACK,
+ KVM_PV_VERIFY,
+ KVM_PV_PREP_RESET,
+ KVM_PV_UNSHARE_ALL,
+ KVM_PV_INFO,
+ KVM_PV_DUMP,
+ KVM_PV_ASYNC_CLEANUP_PREPARE,
+ KVM_PV_ASYNC_CLEANUP_PERFORM,
+};
+
+struct kvm_pv_cmd {
+ __u32 cmd; /* Command to be executed */
+ __u16 rc; /* Ultravisor return code */
+ __u16 rrc; /* Ultravisor return reason code */
+ __u64 data; /* Data or address */
+ __u32 flags; /* flags for future extensions. Must be 0 for now */
+ __u32 reserved[3];
+};
+
+struct kvm_s390_zpci_op {
+ /* in */
+ __u32 fh; /* target device */
+ __u8 op; /* operation to perform */
+ __u8 pad[3];
+ union {
+ /* for KVM_S390_ZPCIOP_REG_AEN */
+ struct {
+ __u64 ibv; /* Guest addr of interrupt bit vector */
+ __u64 sb; /* Guest addr of summary bit */
+ __u32 flags;
+ __u32 noi; /* Number of interrupts */
+ __u8 isc; /* Guest interrupt subclass */
+ __u8 sbo; /* Offset of guest summary bit vector */
+ __u16 pad;
+ } reg_aen;
+ __u64 reserved[8];
+ } u;
+};
+
+/* types for kvm_s390_zpci_op->op */
+#define KVM_S390_ZPCIOP_REG_AEN 0
+#define KVM_S390_ZPCIOP_DEREG_AEN 1
+
+/* flags for kvm_s390_zpci_op->u.reg_aen.flags */
+#define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0)
/* Device control API: s390-specific devices */
#define KVM_DEV_FLIC_GET_ALL_IRQS 1
diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h
index a448d0964fc06..ef11aa4cab425 100644
--- a/tools/arch/x86/include/uapi/asm/kvm.h
+++ b/tools/arch/x86/include/uapi/asm/kvm.h
@@ -7,6 +7,8 @@
*
*/
+#include <linux/const.h>
+#include <linux/bits.h>
#include <linux/types.h>
#include <linux/ioctl.h>
#include <linux/stddef.h>
@@ -40,7 +42,6 @@
#define __KVM_HAVE_IRQ_LINE
#define __KVM_HAVE_MSI
#define __KVM_HAVE_USER_NMI
-#define __KVM_HAVE_GUEST_DEBUG
#define __KVM_HAVE_MSIX
#define __KVM_HAVE_MCE
#define __KVM_HAVE_PIT_STATE2
@@ -49,7 +50,6 @@
#define __KVM_HAVE_DEBUGREGS
#define __KVM_HAVE_XSAVE
#define __KVM_HAVE_XCRS
-#define __KVM_HAVE_READONLY_MEM
/* Architectural interrupt line count. */
#define KVM_NR_INTERRUPTS 256
@@ -526,9 +526,301 @@ struct kvm_pmu_event_filter {
#define KVM_PMU_EVENT_ALLOW 0
#define KVM_PMU_EVENT_DENY 1
-#define KVM_PMU_EVENT_FLAG_MASKED_EVENTS BIT(0)
+#define KVM_PMU_EVENT_FLAG_MASKED_EVENTS _BITUL(0)
#define KVM_PMU_EVENT_FLAGS_VALID_MASK (KVM_PMU_EVENT_FLAG_MASKED_EVENTS)
+/* for KVM_CAP_MCE */
+struct kvm_x86_mce {
+ __u64 status;
+ __u64 addr;
+ __u64 misc;
+ __u64 mcg_status;
+ __u8 bank;
+ __u8 pad1[7];
+ __u64 pad2[3];
+};
+
+/* for KVM_CAP_XEN_HVM */
+#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
+#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
+#define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
+#define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
+#define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4)
+#define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5)
+#define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6)
+#define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7)
+#define KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA (1 << 8)
+
+struct kvm_xen_hvm_config {
+ __u32 flags;
+ __u32 msr;
+ __u64 blob_addr_32;
+ __u64 blob_addr_64;
+ __u8 blob_size_32;
+ __u8 blob_size_64;
+ __u8 pad2[30];
+};
+
+struct kvm_xen_hvm_attr {
+ __u16 type;
+ __u16 pad[3];
+ union {
+ __u8 long_mode;
+ __u8 vector;
+ __u8 runstate_update_flag;
+ union {
+ __u64 gfn;
+#define KVM_XEN_INVALID_GFN ((__u64)-1)
+ __u64 hva;
+ } shared_info;
+ struct {
+ __u32 send_port;
+ __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
+ __u32 flags;
+#define KVM_XEN_EVTCHN_DEASSIGN (1 << 0)
+#define KVM_XEN_EVTCHN_UPDATE (1 << 1)
+#define KVM_XEN_EVTCHN_RESET (1 << 2)
+ /*
+ * Events sent by the guest are either looped back to
+ * the guest itself (potentially on a different port#)
+ * or signalled via an eventfd.
+ */
+ union {
+ struct {
+ __u32 port;
+ __u32 vcpu;
+ __u32 priority;
+ } port;
+ struct {
+ __u32 port; /* Zero for eventfd */
+ __s32 fd;
+ } eventfd;
+ __u32 padding[4];
+ } deliver;
+ } evtchn;
+ __u32 xen_version;
+ __u64 pad[8];
+ } u;
+};
+
+
+/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
+#define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
+#define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
+#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
+/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
+#define KVM_XEN_ATTR_TYPE_EVTCHN 0x3
+#define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4
+/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */
+#define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5
+/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */
+#define KVM_XEN_ATTR_TYPE_SHARED_INFO_HVA 0x6
+
+struct kvm_xen_vcpu_attr {
+ __u16 type;
+ __u16 pad[3];
+ union {
+ __u64 gpa;
+#define KVM_XEN_INVALID_GPA ((__u64)-1)
+ __u64 hva;
+ __u64 pad[8];
+ struct {
+ __u64 state;
+ __u64 state_entry_time;
+ __u64 time_running;
+ __u64 time_runnable;
+ __u64 time_blocked;
+ __u64 time_offline;
+ } runstate;
+ __u32 vcpu_id;
+ struct {
+ __u32 port;
+ __u32 priority;
+ __u64 expires_ns;
+ } timer;
+ __u8 vector;
+ } u;
+};
+
+/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
+#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
+#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
+#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
+#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
+#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
+#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
+/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
+#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6
+#define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7
+#define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8
+/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */
+#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO_HVA 0x9
+
+/* Secure Encrypted Virtualization command */
+enum sev_cmd_id {
+ /* Guest initialization commands */
+ KVM_SEV_INIT = 0,
+ KVM_SEV_ES_INIT,
+ /* Guest launch commands */
+ KVM_SEV_LAUNCH_START,
+ KVM_SEV_LAUNCH_UPDATE_DATA,
+ KVM_SEV_LAUNCH_UPDATE_VMSA,
+ KVM_SEV_LAUNCH_SECRET,
+ KVM_SEV_LAUNCH_MEASURE,
+ KVM_SEV_LAUNCH_FINISH,
+ /* Guest migration commands (outgoing) */
+ KVM_SEV_SEND_START,
+ KVM_SEV_SEND_UPDATE_DATA,
+ KVM_SEV_SEND_UPDATE_VMSA,
+ KVM_SEV_SEND_FINISH,
+ /* Guest migration commands (incoming) */
+ KVM_SEV_RECEIVE_START,
+ KVM_SEV_RECEIVE_UPDATE_DATA,
+ KVM_SEV_RECEIVE_UPDATE_VMSA,
+ KVM_SEV_RECEIVE_FINISH,
+ /* Guest status and debug commands */
+ KVM_SEV_GUEST_STATUS,
+ KVM_SEV_DBG_DECRYPT,
+ KVM_SEV_DBG_ENCRYPT,
+ /* Guest certificates commands */
+ KVM_SEV_CERT_EXPORT,
+ /* Attestation report */
+ KVM_SEV_GET_ATTESTATION_REPORT,
+ /* Guest Migration Extension */
+ KVM_SEV_SEND_CANCEL,
+
+ KVM_SEV_NR_MAX,
+};
+
+struct kvm_sev_cmd {
+ __u32 id;
+ __u32 pad0;
+ __u64 data;
+ __u32 error;
+ __u32 sev_fd;
+};
+
+struct kvm_sev_launch_start {
+ __u32 handle;
+ __u32 policy;
+ __u64 dh_uaddr;
+ __u32 dh_len;
+ __u32 pad0;
+ __u64 session_uaddr;
+ __u32 session_len;
+ __u32 pad1;
+};
+
+struct kvm_sev_launch_update_data {
+ __u64 uaddr;
+ __u32 len;
+ __u32 pad0;
+};
+
+
+struct kvm_sev_launch_secret {
+ __u64 hdr_uaddr;
+ __u32 hdr_len;
+ __u32 pad0;
+ __u64 guest_uaddr;
+ __u32 guest_len;
+ __u32 pad1;
+ __u64 trans_uaddr;
+ __u32 trans_len;
+ __u32 pad2;
+};
+
+struct kvm_sev_launch_measure {
+ __u64 uaddr;
+ __u32 len;
+ __u32 pad0;
+};
+
+struct kvm_sev_guest_status {
+ __u32 handle;
+ __u32 policy;
+ __u32 state;
+};
+
+struct kvm_sev_dbg {
+ __u64 src_uaddr;
+ __u64 dst_uaddr;
+ __u32 len;
+ __u32 pad0;
+};
+
+struct kvm_sev_attestation_report {
+ __u8 mnonce[16];
+ __u64 uaddr;
+ __u32 len;
+ __u32 pad0;
+};
+
+struct kvm_sev_send_start {
+ __u32 policy;
+ __u32 pad0;
+ __u64 pdh_cert_uaddr;
+ __u32 pdh_cert_len;
+ __u32 pad1;
+ __u64 plat_certs_uaddr;
+ __u32 plat_certs_len;
+ __u32 pad2;
+ __u64 amd_certs_uaddr;
+ __u32 amd_certs_len;
+ __u32 pad3;
+ __u64 session_uaddr;
+ __u32 session_len;
+ __u32 pad4;
+};
+
+struct kvm_sev_send_update_data {
+ __u64 hdr_uaddr;
+ __u32 hdr_len;
+ __u32 pad0;
+ __u64 guest_uaddr;
+ __u32 guest_len;
+ __u32 pad1;
+ __u64 trans_uaddr;
+ __u32 trans_len;
+ __u32 pad2;
+};
+
+struct kvm_sev_receive_start {
+ __u32 handle;
+ __u32 policy;
+ __u64 pdh_uaddr;
+ __u32 pdh_len;
+ __u32 pad0;
+ __u64 session_uaddr;
+ __u32 session_len;
+ __u32 pad1;
+};
+
+struct kvm_sev_receive_update_data {
+ __u64 hdr_uaddr;
+ __u32 hdr_len;
+ __u32 pad0;
+ __u64 guest_uaddr;
+ __u32 guest_len;
+ __u32 pad1;
+ __u64 trans_uaddr;
+ __u32 trans_len;
+ __u32 pad2;
+};
+
+#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
+#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
+
+struct kvm_hyperv_eventfd {
+ __u32 conn_id;
+ __s32 fd;
+ __u32 flags;
+ __u32 padding[3];
+};
+
+#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
+#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
+
/*
* Masked event layout.
* Bits Description
@@ -549,10 +841,10 @@ struct kvm_pmu_event_filter {
((__u64)(!!(exclude)) << 55))
#define KVM_PMU_MASKED_ENTRY_EVENT_SELECT \
- (GENMASK_ULL(7, 0) | GENMASK_ULL(35, 32))
-#define KVM_PMU_MASKED_ENTRY_UMASK_MASK (GENMASK_ULL(63, 56))
-#define KVM_PMU_MASKED_ENTRY_UMASK_MATCH (GENMASK_ULL(15, 8))
-#define KVM_PMU_MASKED_ENTRY_EXCLUDE (BIT_ULL(55))
+ (__GENMASK_ULL(7, 0) | __GENMASK_ULL(35, 32))
+#define KVM_PMU_MASKED_ENTRY_UMASK_MASK (__GENMASK_ULL(63, 56))
+#define KVM_PMU_MASKED_ENTRY_UMASK_MATCH (__GENMASK_ULL(15, 8))
+#define KVM_PMU_MASKED_ENTRY_EXCLUDE (_BITULL(55))
#define KVM_PMU_MASKED_ENTRY_UMASK_MASK_SHIFT (56)
/* for KVM_{GET,SET,HAS}_DEVICE_ATTR */
@@ -560,7 +852,7 @@ struct kvm_pmu_event_filter {
#define KVM_VCPU_TSC_OFFSET 0 /* attribute for the TSC offset */
/* x86-specific KVM_EXIT_HYPERCALL flags. */
-#define KVM_EXIT_HYPERCALL_LONG_MODE BIT(0)
+#define KVM_EXIT_HYPERCALL_LONG_MODE _BITULL(0)
#define KVM_X86_DEFAULT_VM 0
#define KVM_X86_SW_PROTECTED_VM 1
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index c3308536482bd..2190adbe30027 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -16,6 +16,11 @@
#define KVM_API_VERSION 12
+/*
+ * Backwards-compatible definitions.
+ */
+#define __KVM_HAVE_GUEST_DEBUG
+
/* for KVM_SET_USER_MEMORY_REGION */
struct kvm_userspace_memory_region {
__u32 slot;
@@ -85,43 +90,6 @@ struct kvm_pit_config {
#define KVM_PIT_SPEAKER_DUMMY 1
-struct kvm_s390_skeys {
- __u64 start_gfn;
- __u64 count;
- __u64 skeydata_addr;
- __u32 flags;
- __u32 reserved[9];
-};
-
-#define KVM_S390_CMMA_PEEK (1 << 0)
-
-/**
- * kvm_s390_cmma_log - Used for CMMA migration.
- *
- * Used both for input and output.
- *
- * @start_gfn: Guest page number to start from.
- * @count: Size of the result buffer.
- * @flags: Control operation mode via KVM_S390_CMMA_* flags
- * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
- * pages are still remaining.
- * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
- * in the PGSTE.
- * @values: Pointer to the values buffer.
- *
- * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
- */
-struct kvm_s390_cmma_log {
- __u64 start_gfn;
- __u32 count;
- __u32 flags;
- union {
- __u64 remaining;
- __u64 mask;
- };
- __u64 values;
-};
-
struct kvm_hyperv_exit {
#define KVM_EXIT_HYPERV_SYNIC 1
#define KVM_EXIT_HYPERV_HCALL 2
@@ -315,11 +283,6 @@ struct kvm_run {
__u32 ipb;
} s390_sieic;
/* KVM_EXIT_S390_RESET */
-#define KVM_S390_RESET_POR 1
-#define KVM_S390_RESET_CLEAR 2
-#define KVM_S390_RESET_SUBSYSTEM 4
-#define KVM_S390_RESET_CPU_INIT 8
-#define KVM_S390_RESET_IPL 16
__u64 s390_reset_flags;
/* KVM_EXIT_S390_UCONTROL */
struct {
@@ -536,43 +499,6 @@ struct kvm_translation {
__u8 pad[5];
};
-/* for KVM_S390_MEM_OP */
-struct kvm_s390_mem_op {
- /* in */
- __u64 gaddr; /* the guest address */
- __u64 flags; /* flags */
- __u32 size; /* amount of bytes */
- __u32 op; /* type of operation */
- __u64 buf; /* buffer in userspace */
- union {
- struct {
- __u8 ar; /* the access register number */
- __u8 key; /* access key, ignored if flag unset */
- __u8 pad1[6]; /* ignored */
- __u64 old_addr; /* ignored if cmpxchg flag unset */
- };
- __u32 sida_offset; /* offset into the sida */
- __u8 reserved[32]; /* ignored */
- };
-};
-/* types for kvm_s390_mem_op->op */
-#define KVM_S390_MEMOP_LOGICAL_READ 0
-#define KVM_S390_MEMOP_LOGICAL_WRITE 1
-#define KVM_S390_MEMOP_SIDA_READ 2
-#define KVM_S390_MEMOP_SIDA_WRITE 3
-#define KVM_S390_MEMOP_ABSOLUTE_READ 4
-#define KVM_S390_MEMOP_ABSOLUTE_WRITE 5
-#define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6
-
-/* flags for kvm_s390_mem_op->flags */
-#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
-#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
-#define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2)
-
-/* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
-#define KVM_S390_MEMOP_EXTENSION_CAP_BASE (1 << 0)
-#define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG (1 << 1)
-
/* for KVM_INTERRUPT */
struct kvm_interrupt {
/* in */
@@ -637,124 +563,6 @@ struct kvm_mp_state {
__u32 mp_state;
};
-struct kvm_s390_psw {
- __u64 mask;
- __u64 addr;
-};
-
-/* valid values for type in kvm_s390_interrupt */
-#define KVM_S390_SIGP_STOP 0xfffe0000u
-#define KVM_S390_PROGRAM_INT 0xfffe0001u
-#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
-#define KVM_S390_RESTART 0xfffe0003u
-#define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
-#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
-#define KVM_S390_MCHK 0xfffe1000u
-#define KVM_S390_INT_CLOCK_COMP 0xffff1004u
-#define KVM_S390_INT_CPU_TIMER 0xffff1005u
-#define KVM_S390_INT_VIRTIO 0xffff2603u
-#define KVM_S390_INT_SERVICE 0xffff2401u
-#define KVM_S390_INT_EMERGENCY 0xffff1201u
-#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
-/* Anything below 0xfffe0000u is taken by INT_IO */
-#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
- (((schid)) | \
- ((ssid) << 16) | \
- ((cssid) << 18) | \
- ((ai) << 26))
-#define KVM_S390_INT_IO_MIN 0x00000000u
-#define KVM_S390_INT_IO_MAX 0xfffdffffu
-#define KVM_S390_INT_IO_AI_MASK 0x04000000u
-
-
-struct kvm_s390_interrupt {
- __u32 type;
- __u32 parm;
- __u64 parm64;
-};
-
-struct kvm_s390_io_info {
- __u16 subchannel_id;
- __u16 subchannel_nr;
- __u32 io_int_parm;
- __u32 io_int_word;
-};
-
-struct kvm_s390_ext_info {
- __u32 ext_params;
- __u32 pad;
- __u64 ext_params2;
-};
-
-struct kvm_s390_pgm_info {
- __u64 trans_exc_code;
- __u64 mon_code;
- __u64 per_address;
- __u32 data_exc_code;
- __u16 code;
- __u16 mon_class_nr;
- __u8 per_code;
- __u8 per_atmid;
- __u8 exc_access_id;
- __u8 per_access_id;
- __u8 op_access_id;
-#define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
-#define KVM_S390_PGM_FLAGS_ILC_0 0x02
-#define KVM_S390_PGM_FLAGS_ILC_1 0x04
-#define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
-#define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
- __u8 flags;
- __u8 pad[2];
-};
-
-struct kvm_s390_prefix_info {
- __u32 address;
-};
-
-struct kvm_s390_extcall_info {
- __u16 code;
-};
-
-struct kvm_s390_emerg_info {
- __u16 code;
-};
-
-#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
-struct kvm_s390_stop_info {
- __u32 flags;
-};
-
-struct kvm_s390_mchk_info {
- __u64 cr14;
- __u64 mcic;
- __u64 failing_storage_address;
- __u32 ext_damage_code;
- __u32 pad;
- __u8 fixed_logout[16];
-};
-
-struct kvm_s390_irq {
- __u64 type;
- union {
- struct kvm_s390_io_info io;
- struct kvm_s390_ext_info ext;
- struct kvm_s390_pgm_info pgm;
- struct kvm_s390_emerg_info emerg;
- struct kvm_s390_extcall_info extcall;
- struct kvm_s390_prefix_info prefix;
- struct kvm_s390_stop_info stop;
- struct kvm_s390_mchk_info mchk;
- char reserved[64];
- } u;
-};
-
-struct kvm_s390_irq_state {
- __u64 buf;
- __u32 flags; /* will stay unused for compatibility reasons */
- __u32 len;
- __u32 reserved[4]; /* will stay unused for compatibility reasons */
-};
-
/* for KVM_SET_GUEST_DEBUG */
#define KVM_GUESTDBG_ENABLE 0x00000001
@@ -810,50 +618,6 @@ struct kvm_enable_cap {
__u8 pad[64];
};
-/* for KVM_PPC_GET_PVINFO */
-
-#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
-
-struct kvm_ppc_pvinfo {
- /* out */
- __u32 flags;
- __u32 hcall[4];
- __u8 pad[108];
-};
-
-/* for KVM_PPC_GET_SMMU_INFO */
-#define KVM_PPC_PAGE_SIZES_MAX_SZ 8
-
-struct kvm_ppc_one_page_size {
- __u32 page_shift; /* Page shift (or 0) */
- __u32 pte_enc; /* Encoding in the HPTE (>>12) */
-};
-
-struct kvm_ppc_one_seg_page_size {
- __u32 page_shift; /* Base page shift of segment (or 0) */
- __u32 slb_enc; /* SLB encoding for BookS */
- struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
-};
-
-#define KVM_PPC_PAGE_SIZES_REAL 0x00000001
-#define KVM_PPC_1T_SEGMENTS 0x00000002
-#define KVM_PPC_NO_HASH 0x00000004
-
-struct kvm_ppc_smmu_info {
- __u64 flags;
- __u32 slb_size;
- __u16 data_keys; /* # storage keys supported for data */
- __u16 instr_keys; /* # storage keys supported for instructions */
- struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
-};
-
-/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
-struct kvm_ppc_resize_hpt {
- __u64 flags;
- __u32 shift;
- __u32 pad;
-};
-
#define KVMIO 0xAE
/* machine type bits, to be used as argument to KVM_CREATE_VM */
@@ -923,9 +687,7 @@ struct kvm_ppc_resize_hpt {
/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
#define KVM_CAP_USER_NMI 22
-#ifdef __KVM_HAVE_GUEST_DEBUG
#define KVM_CAP_SET_GUEST_DEBUG 23
-#endif
#ifdef __KVM_HAVE_PIT
#define KVM_CAP_REINJECT_CONTROL 24
#endif
@@ -1156,8 +918,6 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_GUEST_MEMFD 234
#define KVM_CAP_VM_TYPES 235
-#ifdef KVM_CAP_IRQ_ROUTING
-
struct kvm_irq_routing_irqchip {
__u32 irqchip;
__u32 pin;
@@ -1222,42 +982,6 @@ struct kvm_irq_routing {
struct kvm_irq_routing_entry entries[];
};
-#endif
-
-#ifdef KVM_CAP_MCE
-/* x86 MCE */
-struct kvm_x86_mce {
- __u64 status;
- __u64 addr;
- __u64 misc;
- __u64 mcg_status;
- __u8 bank;
- __u8 pad1[7];
- __u64 pad2[3];
-};
-#endif
-
-#ifdef KVM_CAP_XEN_HVM
-#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
-#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
-#define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
-#define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
-#define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4)
-#define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5)
-#define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6)
-#define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7)
-
-struct kvm_xen_hvm_config {
- __u32 flags;
- __u32 msr;
- __u64 blob_addr_32;
- __u64 blob_addr_64;
- __u8 blob_size_32;
- __u8 blob_size_64;
- __u8 pad2[30];
-};
-#endif
-
#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
/*
* Available with KVM_CAP_IRQFD_RESAMPLE
@@ -1442,11 +1166,6 @@ struct kvm_vfio_spapr_tce {
struct kvm_userspace_memory_region2)
/* enable ucontrol for s390 */
-struct kvm_s390_ucas_mapping {
- __u64 user_addr;
- __u64 vcpu_addr;
- __u64 length;
-};
#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
@@ -1641,89 +1360,6 @@ struct kvm_enc_region {
#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
-struct kvm_s390_pv_sec_parm {
- __u64 origin;
- __u64 length;
-};
-
-struct kvm_s390_pv_unp {
- __u64 addr;
- __u64 size;
- __u64 tweak;
-};
-
-enum pv_cmd_dmp_id {
- KVM_PV_DUMP_INIT,
- KVM_PV_DUMP_CONFIG_STOR_STATE,
- KVM_PV_DUMP_COMPLETE,
- KVM_PV_DUMP_CPU,
-};
-
-struct kvm_s390_pv_dmp {
- __u64 subcmd;
- __u64 buff_addr;
- __u64 buff_len;
- __u64 gaddr; /* For dump storage state */
- __u64 reserved[4];
-};
-
-enum pv_cmd_info_id {
- KVM_PV_INFO_VM,
- KVM_PV_INFO_DUMP,
-};
-
-struct kvm_s390_pv_info_dump {
- __u64 dump_cpu_buffer_len;
- __u64 dump_config_mem_buffer_per_1m;
- __u64 dump_config_finalize_len;
-};
-
-struct kvm_s390_pv_info_vm {
- __u64 inst_calls_list[4];
- __u64 max_cpus;
- __u64 max_guests;
- __u64 max_guest_addr;
- __u64 feature_indication;
-};
-
-struct kvm_s390_pv_info_header {
- __u32 id;
- __u32 len_max;
- __u32 len_written;
- __u32 reserved;
-};
-
-struct kvm_s390_pv_info {
- struct kvm_s390_pv_info_header header;
- union {
- struct kvm_s390_pv_info_dump dump;
- struct kvm_s390_pv_info_vm vm;
- };
-};
-
-enum pv_cmd_id {
- KVM_PV_ENABLE,
- KVM_PV_DISABLE,
- KVM_PV_SET_SEC_PARMS,
- KVM_PV_UNPACK,
- KVM_PV_VERIFY,
- KVM_PV_PREP_RESET,
- KVM_PV_UNSHARE_ALL,
- KVM_PV_INFO,
- KVM_PV_DUMP,
- KVM_PV_ASYNC_CLEANUP_PREPARE,
- KVM_PV_ASYNC_CLEANUP_PERFORM,
-};
-
-struct kvm_pv_cmd {
- __u32 cmd; /* Command to be executed */
- __u16 rc; /* Ultravisor return code */
- __u16 rrc; /* Ultravisor return reason code */
- __u64 data; /* Data or address */
- __u32 flags; /* flags for future extensions. Must be 0 for now */
- __u32 reserved[3];
-};
-
/* Available with KVM_CAP_S390_PROTECTED */
#define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
@@ -1737,58 +1373,6 @@ struct kvm_pv_cmd {
#define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
#define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
-struct kvm_xen_hvm_attr {
- __u16 type;
- __u16 pad[3];
- union {
- __u8 long_mode;
- __u8 vector;
- __u8 runstate_update_flag;
- struct {
- __u64 gfn;
-#define KVM_XEN_INVALID_GFN ((__u64)-1)
- } shared_info;
- struct {
- __u32 send_port;
- __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
- __u32 flags;
-#define KVM_XEN_EVTCHN_DEASSIGN (1 << 0)
-#define KVM_XEN_EVTCHN_UPDATE (1 << 1)
-#define KVM_XEN_EVTCHN_RESET (1 << 2)
- /*
- * Events sent by the guest are either looped back to
- * the guest itself (potentially on a different port#)
- * or signalled via an eventfd.
- */
- union {
- struct {
- __u32 port;
- __u32 vcpu;
- __u32 priority;
- } port;
- struct {
- __u32 port; /* Zero for eventfd */
- __s32 fd;
- } eventfd;
- __u32 padding[4];
- } deliver;
- } evtchn;
- __u32 xen_version;
- __u64 pad[8];
- } u;
-};
-
-
-/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
-#define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
-#define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
-#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
-/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
-#define KVM_XEN_ATTR_TYPE_EVTCHN 0x3
-#define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4
-/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */
-#define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5
-
/* Per-vCPU Xen attributes */
#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
@@ -1799,242 +1383,6 @@ struct kvm_xen_hvm_attr {
#define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
#define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
-struct kvm_xen_vcpu_attr {
- __u16 type;
- __u16 pad[3];
- union {
- __u64 gpa;
-#define KVM_XEN_INVALID_GPA ((__u64)-1)
- __u64 pad[8];
- struct {
- __u64 state;
- __u64 state_entry_time;
- __u64 time_running;
- __u64 time_runnable;
- __u64 time_blocked;
- __u64 time_offline;
- } runstate;
- __u32 vcpu_id;
- struct {
- __u32 port;
- __u32 priority;
- __u64 expires_ns;
- } timer;
- __u8 vector;
- } u;
-};
-
-/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
-#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
-#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
-#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
-#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
-#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
-#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
-/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
-#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6
-#define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7
-#define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8
-
-/* Secure Encrypted Virtualization command */
-enum sev_cmd_id {
- /* Guest initialization commands */
- KVM_SEV_INIT = 0,
- KVM_SEV_ES_INIT,
- /* Guest launch commands */
- KVM_SEV_LAUNCH_START,
- KVM_SEV_LAUNCH_UPDATE_DATA,
- KVM_SEV_LAUNCH_UPDATE_VMSA,
- KVM_SEV_LAUNCH_SECRET,
- KVM_SEV_LAUNCH_MEASURE,
- KVM_SEV_LAUNCH_FINISH,
- /* Guest migration commands (outgoing) */
- KVM_SEV_SEND_START,
- KVM_SEV_SEND_UPDATE_DATA,
- KVM_SEV_SEND_UPDATE_VMSA,
- KVM_SEV_SEND_FINISH,
- /* Guest migration commands (incoming) */
- KVM_SEV_RECEIVE_START,
- KVM_SEV_RECEIVE_UPDATE_DATA,
- KVM_SEV_RECEIVE_UPDATE_VMSA,
- KVM_SEV_RECEIVE_FINISH,
- /* Guest status and debug commands */
- KVM_SEV_GUEST_STATUS,
- KVM_SEV_DBG_DECRYPT,
- KVM_SEV_DBG_ENCRYPT,
- /* Guest certificates commands */
- KVM_SEV_CERT_EXPORT,
- /* Attestation report */
- KVM_SEV_GET_ATTESTATION_REPORT,
- /* Guest Migration Extension */
- KVM_SEV_SEND_CANCEL,
-
- KVM_SEV_NR_MAX,
-};
-
-struct kvm_sev_cmd {
- __u32 id;
- __u64 data;
- __u32 error;
- __u32 sev_fd;
-};
-
-struct kvm_sev_launch_start {
- __u32 handle;
- __u32 policy;
- __u64 dh_uaddr;
- __u32 dh_len;
- __u64 session_uaddr;
- __u32 session_len;
-};
-
-struct kvm_sev_launch_update_data {
- __u64 uaddr;
- __u32 len;
-};
-
-
-struct kvm_sev_launch_secret {
- __u64 hdr_uaddr;
- __u32 hdr_len;
- __u64 guest_uaddr;
- __u32 guest_len;
- __u64 trans_uaddr;
- __u32 trans_len;
-};
-
-struct kvm_sev_launch_measure {
- __u64 uaddr;
- __u32 len;
-};
-
-struct kvm_sev_guest_status {
- __u32 handle;
- __u32 policy;
- __u32 state;
-};
-
-struct kvm_sev_dbg {
- __u64 src_uaddr;
- __u64 dst_uaddr;
- __u32 len;
-};
-
-struct kvm_sev_attestation_report {
- __u8 mnonce[16];
- __u64 uaddr;
- __u32 len;
-};
-
-struct kvm_sev_send_start {
- __u32 policy;
- __u64 pdh_cert_uaddr;
- __u32 pdh_cert_len;
- __u64 plat_certs_uaddr;
- __u32 plat_certs_len;
- __u64 amd_certs_uaddr;
- __u32 amd_certs_len;
- __u64 session_uaddr;
- __u32 session_len;
-};
-
-struct kvm_sev_send_update_data {
- __u64 hdr_uaddr;
- __u32 hdr_len;
- __u64 guest_uaddr;
- __u32 guest_len;
- __u64 trans_uaddr;
- __u32 trans_len;
-};
-
-struct kvm_sev_receive_start {
- __u32 handle;
- __u32 policy;
- __u64 pdh_uaddr;
- __u32 pdh_len;
- __u64 session_uaddr;
- __u32 session_len;
-};
-
-struct kvm_sev_receive_update_data {
- __u64 hdr_uaddr;
- __u32 hdr_len;
- __u64 guest_uaddr;
- __u32 guest_len;
- __u64 trans_uaddr;
- __u32 trans_len;
-};
-
-#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
-#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
-#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
-
-struct kvm_assigned_pci_dev {
- __u32 assigned_dev_id;
- __u32 busnr;
- __u32 devfn;
- __u32 flags;
- __u32 segnr;
- union {
- __u32 reserved[11];
- };
-};
-
-#define KVM_DEV_IRQ_HOST_INTX (1 << 0)
-#define KVM_DEV_IRQ_HOST_MSI (1 << 1)
-#define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
-
-#define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
-#define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
-#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
-
-#define KVM_DEV_IRQ_HOST_MASK 0x00ff
-#define KVM_DEV_IRQ_GUEST_MASK 0xff00
-
-struct kvm_assigned_irq {
- __u32 assigned_dev_id;
- __u32 host_irq; /* ignored (legacy field) */
- __u32 guest_irq;
- __u32 flags;
- union {
- __u32 reserved[12];
- };
-};
-
-struct kvm_assigned_msix_nr {
- __u32 assigned_dev_id;
- __u16 entry_nr;
- __u16 padding;
-};
-
-#define KVM_MAX_MSIX_PER_DEV 256
-struct kvm_assigned_msix_entry {
- __u32 assigned_dev_id;
- __u32 gsi;
- __u16 entry; /* The index of entry in the MSI-X table */
- __u16 padding[3];
-};
-
-#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
-#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
-
-/* Available with KVM_CAP_ARM_USER_IRQ */
-
-/* Bits for run->s.regs.device_irq_level */
-#define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
-#define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
-#define KVM_ARM_DEV_PMU (1 << 2)
-
-struct kvm_hyperv_eventfd {
- __u32 conn_id;
- __s32 fd;
- __u32 flags;
- __u32 padding[3];
-};
-
-#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
-#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
-
#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
@@ -2180,33 +1528,6 @@ struct kvm_stats_desc {
/* Available with KVM_CAP_S390_ZPCI_OP */
#define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op)
-struct kvm_s390_zpci_op {
- /* in */
- __u32 fh; /* target device */
- __u8 op; /* operation to perform */
- __u8 pad[3];
- union {
- /* for KVM_S390_ZPCIOP_REG_AEN */
- struct {
- __u64 ibv; /* Guest addr of interrupt bit vector */
- __u64 sb; /* Guest addr of summary bit */
- __u32 flags;
- __u32 noi; /* Number of interrupts */
- __u8 isc; /* Guest interrupt subclass */
- __u8 sbo; /* Offset of guest summary bit vector */
- __u16 pad;
- } reg_aen;
- __u64 reserved[8];
- } u;
-};
-
-/* types for kvm_s390_zpci_op->op */
-#define KVM_S390_ZPCIOP_REG_AEN 0
-#define KVM_S390_ZPCIOP_DEREG_AEN 1
-
-/* flags for kvm_s390_zpci_op->u.reg_aen.flags */
-#define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0)
-
/* Available with KVM_CAP_MEMORY_ATTRIBUTES */
#define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes)
--
GitLab
From b7ce17f257da17a4163da82e0fb7726c2de85da7 Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@kernel.org>
Date: Mon, 8 Apr 2024 11:55:15 -0700
Subject: [PATCH 2480/2686] tools/include: Sync uapi/sound/asound.h with the
kernel sources
To pick up the changes from:
85df6b5a6658 ("ALSA: pcm: clarify and fix default msbits value for all formats")
This should be used to beautify sound syscall arguments and it addresses
these tools/perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/uapi/sound/asound.h include/uapi/sound/asound.h
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: linux-sound@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240408185520.1550865-5-namhyung@kernel.org
---
tools/include/uapi/sound/asound.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/include/uapi/sound/asound.h b/tools/include/uapi/sound/asound.h
index d5b9cfbd9ceac..628d46a0da92e 100644
--- a/tools/include/uapi/sound/asound.h
+++ b/tools/include/uapi/sound/asound.h
@@ -142,7 +142,7 @@ struct snd_hwdep_dsp_image {
* *
*****************************************************************************/
-#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 16)
+#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 17)
typedef unsigned long snd_pcm_uframes_t;
typedef signed long snd_pcm_sframes_t;
@@ -416,7 +416,7 @@ struct snd_pcm_hw_params {
unsigned int rmask; /* W: requested masks */
unsigned int cmask; /* R: changed masks */
unsigned int info; /* R: Info flags for returned setup */
- unsigned int msbits; /* R: used most significant bits */
+ unsigned int msbits; /* R: used most significant bits (in sample bit-width) */
unsigned int rate_num; /* R: rate numerator */
unsigned int rate_den; /* R: rate denominator */
snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */
--
GitLab
From 58e1b92df491c35abad7ddd2e393b89244e16bd5 Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@kernel.org>
Date: Mon, 8 Apr 2024 11:55:16 -0700
Subject: [PATCH 2481/2686] tools/include: Sync x86 CPU feature headers with
the kernel sources
To pick up the changes from:
598c2fafc06f ("perf/x86/amd/lbr: Use freeze based on availability")
7f274e609f3d ("x86/cpufeatures: Add new word for scattered features")
This should address these tools/perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/arch/x86/include/asm/disabled-features.h arch/x86/include/asm/disabled-features.h
diff -u tools/arch/x86/include/asm/required-features.h arch/x86/include/asm/required-features.h
diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240408185520.1550865-6-namhyung@kernel.org
---
tools/arch/x86/include/asm/cpufeatures.h | 17 ++++++++++++-----
tools/arch/x86/include/asm/disabled-features.h | 11 +++++++++--
tools/arch/x86/include/asm/required-features.h | 3 ++-
3 files changed, 23 insertions(+), 8 deletions(-)
diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h
index 25160d26764b5..a38f8f9ba6572 100644
--- a/tools/arch/x86/include/asm/cpufeatures.h
+++ b/tools/arch/x86/include/asm/cpufeatures.h
@@ -13,7 +13,7 @@
/*
* Defines x86 CPU feature bits
*/
-#define NCAPINTS 21 /* N 32-bit words worth of info */
+#define NCAPINTS 22 /* N 32-bit words worth of info */
#define NBUGINTS 2 /* N 32-bit bug flags */
/*
@@ -81,10 +81,8 @@
#define X86_FEATURE_K6_MTRR ( 3*32+ 1) /* AMD K6 nonstandard MTRRs */
#define X86_FEATURE_CYRIX_ARR ( 3*32+ 2) /* Cyrix ARRs (= MTRRs) */
#define X86_FEATURE_CENTAUR_MCR ( 3*32+ 3) /* Centaur MCRs (= MTRRs) */
-
-/* CPU types for specific tunings: */
#define X86_FEATURE_K8 ( 3*32+ 4) /* "" Opteron, Athlon64 */
-/* FREE, was #define X86_FEATURE_K7 ( 3*32+ 5) "" Athlon */
+#define X86_FEATURE_ZEN5 ( 3*32+ 5) /* "" CPU based on Zen5 microarchitecture */
#define X86_FEATURE_P3 ( 3*32+ 6) /* "" P3 */
#define X86_FEATURE_P4 ( 3*32+ 7) /* "" P4 */
#define X86_FEATURE_CONSTANT_TSC ( 3*32+ 8) /* TSC ticks at a constant rate */
@@ -97,7 +95,7 @@
#define X86_FEATURE_SYSENTER32 ( 3*32+15) /* "" sysenter in IA32 userspace */
#define X86_FEATURE_REP_GOOD ( 3*32+16) /* REP microcode works well */
#define X86_FEATURE_AMD_LBR_V2 ( 3*32+17) /* AMD Last Branch Record Extension Version 2 */
-/* FREE, was #define X86_FEATURE_LFENCE_RDTSC ( 3*32+18) "" LFENCE synchronizes RDTSC */
+#define X86_FEATURE_CLEAR_CPU_BUF ( 3*32+18) /* "" Clear CPU buffers using VERW */
#define X86_FEATURE_ACC_POWER ( 3*32+19) /* AMD Accumulated Power Mechanism */
#define X86_FEATURE_NOPL ( 3*32+20) /* The NOPL (0F 1F) instructions */
#define X86_FEATURE_ALWAYS ( 3*32+21) /* "" Always-present feature */
@@ -461,6 +459,14 @@
#define X86_FEATURE_IBPB_BRTYPE (20*32+28) /* "" MSR_PRED_CMD[IBPB] flushes all branch type predictions */
#define X86_FEATURE_SRSO_NO (20*32+29) /* "" CPU is not affected by SRSO */
+/*
+ * Extended auxiliary flags: Linux defined - for features scattered in various
+ * CPUID levels like 0x80000022, etc.
+ *
+ * Reuse free bits when adding new feature flags!
+ */
+#define X86_FEATURE_AMD_LBR_PMC_FREEZE (21*32+ 0) /* AMD LBR and PMC Freeze */
+
/*
* BUG word(s)
*/
@@ -508,4 +514,5 @@
/* BUG word 2 */
#define X86_BUG_SRSO X86_BUG(1*32 + 0) /* AMD SRSO bug */
#define X86_BUG_DIV0 X86_BUG(1*32 + 1) /* AMD DIV0 speculation bug */
+#define X86_BUG_RFDS X86_BUG(1*32 + 2) /* CPU is vulnerable to Register File Data Sampling */
#endif /* _ASM_X86_CPUFEATURES_H */
diff --git a/tools/arch/x86/include/asm/disabled-features.h b/tools/arch/x86/include/asm/disabled-features.h
index 1f23960d2b06e..c492bdc97b059 100644
--- a/tools/arch/x86/include/asm/disabled-features.h
+++ b/tools/arch/x86/include/asm/disabled-features.h
@@ -123,6 +123,12 @@
# define DISABLE_FRED (1 << (X86_FEATURE_FRED & 31))
#endif
+#ifdef CONFIG_KVM_AMD_SEV
+#define DISABLE_SEV_SNP 0
+#else
+#define DISABLE_SEV_SNP (1 << (X86_FEATURE_SEV_SNP & 31))
+#endif
+
/*
* Make sure to add features to the correct mask
*/
@@ -147,8 +153,9 @@
DISABLE_ENQCMD)
#define DISABLED_MASK17 0
#define DISABLED_MASK18 (DISABLE_IBT)
-#define DISABLED_MASK19 0
+#define DISABLED_MASK19 (DISABLE_SEV_SNP)
#define DISABLED_MASK20 0
-#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 21)
+#define DISABLED_MASK21 0
+#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 22)
#endif /* _ASM_X86_DISABLED_FEATURES_H */
diff --git a/tools/arch/x86/include/asm/required-features.h b/tools/arch/x86/include/asm/required-features.h
index 7ba1726b71c7b..e9187ddd3d1fd 100644
--- a/tools/arch/x86/include/asm/required-features.h
+++ b/tools/arch/x86/include/asm/required-features.h
@@ -99,6 +99,7 @@
#define REQUIRED_MASK18 0
#define REQUIRED_MASK19 0
#define REQUIRED_MASK20 0
-#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 21)
+#define REQUIRED_MASK21 0
+#define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 22)
#endif /* _ASM_X86_REQUIRED_FEATURES_H */
--
GitLab
From 978f2a60dd5ca6c25dfd5e24e7191b16af0ec429 Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@kernel.org>
Date: Mon, 8 Apr 2024 11:55:17 -0700
Subject: [PATCH 2482/2686] tools/include: Sync x86 asm/irq_vectors.h with the
kernel sources
To pick up the changes from:
0cbca1bf44a0 ("x86: irq: unconditionally define KVM interrupt vectors")
This should address these tools/perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/arch/x86/include/asm/irq_vectors.h arch/x86/include/asm/irq_vectors.h
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240408185520.1550865-7-namhyung@kernel.org
---
tools/arch/x86/include/asm/irq_vectors.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/tools/arch/x86/include/asm/irq_vectors.h b/tools/arch/x86/include/asm/irq_vectors.h
index 3f73ac3ed3a07..d18bfb238f660 100644
--- a/tools/arch/x86/include/asm/irq_vectors.h
+++ b/tools/arch/x86/include/asm/irq_vectors.h
@@ -84,11 +84,9 @@
#define HYPERVISOR_CALLBACK_VECTOR 0xf3
/* Vector for KVM to deliver posted interrupt IPI */
-#if IS_ENABLED(CONFIG_KVM)
#define POSTED_INTR_VECTOR 0xf2
#define POSTED_INTR_WAKEUP_VECTOR 0xf1
#define POSTED_INTR_NESTED_VECTOR 0xf0
-#endif
#define MANAGED_IRQ_SHUTDOWN_VECTOR 0xef
--
GitLab
From c781a72f9ddd09baddde9df1f59955c0d6ea4944 Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@kernel.org>
Date: Mon, 8 Apr 2024 11:55:18 -0700
Subject: [PATCH 2483/2686] tools/include: Sync x86 asm/msr-index.h with the
kernel sources
To pick up the changes from:
8076fcde016c ("x86/rfds: Mitigate Register File Data Sampling (RFDS)")
d7b69b590bc9 ("x86/sev: Dump SEV_STATUS")
cd6df3f378f6 ("x86/cpu: Add MSR numbers for FRED configuration")
216d106c7ff7 ("x86/sev: Add SEV-SNP host initialization support")
This should address these tools/perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/arch/x86/include/asm/msr-index.h arch/x86/include/asm/msr-index.h
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240408185520.1550865-8-namhyung@kernel.org
---
tools/arch/x86/include/asm/msr-index.h | 74 ++++++++++++++++++--------
1 file changed, 51 insertions(+), 23 deletions(-)
diff --git a/tools/arch/x86/include/asm/msr-index.h b/tools/arch/x86/include/asm/msr-index.h
index 1f9dc9bd13eb7..05956bd8bacf5 100644
--- a/tools/arch/x86/include/asm/msr-index.h
+++ b/tools/arch/x86/include/asm/msr-index.h
@@ -176,6 +176,14 @@
* CPU is not vulnerable to Gather
* Data Sampling (GDS).
*/
+#define ARCH_CAP_RFDS_NO BIT(27) /*
+ * Not susceptible to Register
+ * File Data Sampling.
+ */
+#define ARCH_CAP_RFDS_CLEAR BIT(28) /*
+ * VERW clears CPU Register
+ * File.
+ */
#define ARCH_CAP_XAPIC_DISABLE BIT(21) /*
* IA32_XAPIC_DISABLE_STATUS MSR
@@ -605,34 +613,47 @@
#define MSR_AMD64_SEV_ES_GHCB 0xc0010130
#define MSR_AMD64_SEV 0xc0010131
#define MSR_AMD64_SEV_ENABLED_BIT 0
-#define MSR_AMD64_SEV_ES_ENABLED_BIT 1
-#define MSR_AMD64_SEV_SNP_ENABLED_BIT 2
#define MSR_AMD64_SEV_ENABLED BIT_ULL(MSR_AMD64_SEV_ENABLED_BIT)
+#define MSR_AMD64_SEV_ES_ENABLED_BIT 1
#define MSR_AMD64_SEV_ES_ENABLED BIT_ULL(MSR_AMD64_SEV_ES_ENABLED_BIT)
+#define MSR_AMD64_SEV_SNP_ENABLED_BIT 2
#define MSR_AMD64_SEV_SNP_ENABLED BIT_ULL(MSR_AMD64_SEV_SNP_ENABLED_BIT)
-
-/* SNP feature bits enabled by the hypervisor */
-#define MSR_AMD64_SNP_VTOM BIT_ULL(3)
-#define MSR_AMD64_SNP_REFLECT_VC BIT_ULL(4)
-#define MSR_AMD64_SNP_RESTRICTED_INJ BIT_ULL(5)
-#define MSR_AMD64_SNP_ALT_INJ BIT_ULL(6)
-#define MSR_AMD64_SNP_DEBUG_SWAP BIT_ULL(7)
-#define MSR_AMD64_SNP_PREVENT_HOST_IBS BIT_ULL(8)
-#define MSR_AMD64_SNP_BTB_ISOLATION BIT_ULL(9)
-#define MSR_AMD64_SNP_VMPL_SSS BIT_ULL(10)
-#define MSR_AMD64_SNP_SECURE_TSC BIT_ULL(11)
-#define MSR_AMD64_SNP_VMGEXIT_PARAM BIT_ULL(12)
-#define MSR_AMD64_SNP_IBS_VIRT BIT_ULL(14)
-#define MSR_AMD64_SNP_VMSA_REG_PROTECTION BIT_ULL(16)
-#define MSR_AMD64_SNP_SMT_PROTECTION BIT_ULL(17)
-
-/* SNP feature bits reserved for future use. */
-#define MSR_AMD64_SNP_RESERVED_BIT13 BIT_ULL(13)
-#define MSR_AMD64_SNP_RESERVED_BIT15 BIT_ULL(15)
-#define MSR_AMD64_SNP_RESERVED_MASK GENMASK_ULL(63, 18)
+#define MSR_AMD64_SNP_VTOM_BIT 3
+#define MSR_AMD64_SNP_VTOM BIT_ULL(MSR_AMD64_SNP_VTOM_BIT)
+#define MSR_AMD64_SNP_REFLECT_VC_BIT 4
+#define MSR_AMD64_SNP_REFLECT_VC BIT_ULL(MSR_AMD64_SNP_REFLECT_VC_BIT)
+#define MSR_AMD64_SNP_RESTRICTED_INJ_BIT 5
+#define MSR_AMD64_SNP_RESTRICTED_INJ BIT_ULL(MSR_AMD64_SNP_RESTRICTED_INJ_BIT)
+#define MSR_AMD64_SNP_ALT_INJ_BIT 6
+#define MSR_AMD64_SNP_ALT_INJ BIT_ULL(MSR_AMD64_SNP_ALT_INJ_BIT)
+#define MSR_AMD64_SNP_DEBUG_SWAP_BIT 7
+#define MSR_AMD64_SNP_DEBUG_SWAP BIT_ULL(MSR_AMD64_SNP_DEBUG_SWAP_BIT)
+#define MSR_AMD64_SNP_PREVENT_HOST_IBS_BIT 8
+#define MSR_AMD64_SNP_PREVENT_HOST_IBS BIT_ULL(MSR_AMD64_SNP_PREVENT_HOST_IBS_BIT)
+#define MSR_AMD64_SNP_BTB_ISOLATION_BIT 9
+#define MSR_AMD64_SNP_BTB_ISOLATION BIT_ULL(MSR_AMD64_SNP_BTB_ISOLATION_BIT)
+#define MSR_AMD64_SNP_VMPL_SSS_BIT 10
+#define MSR_AMD64_SNP_VMPL_SSS BIT_ULL(MSR_AMD64_SNP_VMPL_SSS_BIT)
+#define MSR_AMD64_SNP_SECURE_TSC_BIT 11
+#define MSR_AMD64_SNP_SECURE_TSC BIT_ULL(MSR_AMD64_SNP_SECURE_TSC_BIT)
+#define MSR_AMD64_SNP_VMGEXIT_PARAM_BIT 12
+#define MSR_AMD64_SNP_VMGEXIT_PARAM BIT_ULL(MSR_AMD64_SNP_VMGEXIT_PARAM_BIT)
+#define MSR_AMD64_SNP_RESERVED_BIT13 BIT_ULL(13)
+#define MSR_AMD64_SNP_IBS_VIRT_BIT 14
+#define MSR_AMD64_SNP_IBS_VIRT BIT_ULL(MSR_AMD64_SNP_IBS_VIRT_BIT)
+#define MSR_AMD64_SNP_RESERVED_BIT15 BIT_ULL(15)
+#define MSR_AMD64_SNP_VMSA_REG_PROT_BIT 16
+#define MSR_AMD64_SNP_VMSA_REG_PROT BIT_ULL(MSR_AMD64_SNP_VMSA_REG_PROT_BIT)
+#define MSR_AMD64_SNP_SMT_PROT_BIT 17
+#define MSR_AMD64_SNP_SMT_PROT BIT_ULL(MSR_AMD64_SNP_SMT_PROT_BIT)
+#define MSR_AMD64_SNP_RESV_BIT 18
+#define MSR_AMD64_SNP_RESERVED_MASK GENMASK_ULL(63, MSR_AMD64_SNP_RESV_BIT)
#define MSR_AMD64_VIRT_SPEC_CTRL 0xc001011f
+#define MSR_AMD64_RMP_BASE 0xc0010132
+#define MSR_AMD64_RMP_END 0xc0010133
+
/* AMD Collaborative Processor Performance Control MSRs */
#define MSR_AMD_CPPC_CAP1 0xc00102b0
#define MSR_AMD_CPPC_ENABLE 0xc00102b1
@@ -719,8 +740,15 @@
#define MSR_K8_TOP_MEM1 0xc001001a
#define MSR_K8_TOP_MEM2 0xc001001d
#define MSR_AMD64_SYSCFG 0xc0010010
-#define MSR_AMD64_SYSCFG_MEM_ENCRYPT_BIT 23
+#define MSR_AMD64_SYSCFG_MEM_ENCRYPT_BIT 23
#define MSR_AMD64_SYSCFG_MEM_ENCRYPT BIT_ULL(MSR_AMD64_SYSCFG_MEM_ENCRYPT_BIT)
+#define MSR_AMD64_SYSCFG_SNP_EN_BIT 24
+#define MSR_AMD64_SYSCFG_SNP_EN BIT_ULL(MSR_AMD64_SYSCFG_SNP_EN_BIT)
+#define MSR_AMD64_SYSCFG_SNP_VMPL_EN_BIT 25
+#define MSR_AMD64_SYSCFG_SNP_VMPL_EN BIT_ULL(MSR_AMD64_SYSCFG_SNP_VMPL_EN_BIT)
+#define MSR_AMD64_SYSCFG_MFDM_BIT 19
+#define MSR_AMD64_SYSCFG_MFDM BIT_ULL(MSR_AMD64_SYSCFG_MFDM_BIT)
+
#define MSR_K8_INT_PENDING_MSG 0xc0010055
/* C1E active bits in int pending message */
#define K8_INTP_C1E_ACTIVE_MASK 0x18000000
--
GitLab
From 99e4e1174acd7f5a942d37e1ac6c115f870d5975 Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@kernel.org>
Date: Mon, 8 Apr 2024 11:55:19 -0700
Subject: [PATCH 2484/2686] tools/include: Sync asm-generic/bitops/fls.h with
the kernel sources
To pick up the changes from:
cb4ede926134 ("riscv: Avoid code duplication with generic bitops implementation")
This should address these tools/perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/asm-generic/bitops/__fls.h include/asm-generic/bitops/__fls.h
diff -u tools/include/asm-generic/bitops/fls.h include/asm-generic/bitops/fls.h
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Cc: linux-arch@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240408185520.1550865-9-namhyung@kernel.org
---
tools/include/asm-generic/bitops/__fls.h | 8 ++++++--
tools/include/asm-generic/bitops/fls.h | 8 ++++++--
2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/tools/include/asm-generic/bitops/__fls.h b/tools/include/asm-generic/bitops/__fls.h
index 03f721a8a2b19..54ccccf96e21e 100644
--- a/tools/include/asm-generic/bitops/__fls.h
+++ b/tools/include/asm-generic/bitops/__fls.h
@@ -5,12 +5,12 @@
#include <asm/types.h>
/**
- * __fls - find last (most-significant) set bit in a long word
+ * generic___fls - find last (most-significant) set bit in a long word
* @word: the word to search
*
* Undefined if no set bit exists, so code should check against 0 first.
*/
-static __always_inline unsigned long __fls(unsigned long word)
+static __always_inline unsigned long generic___fls(unsigned long word)
{
int num = BITS_PER_LONG - 1;
@@ -41,4 +41,8 @@ static __always_inline unsigned long __fls(unsigned long word)
return num;
}
+#ifndef __HAVE_ARCH___FLS
+#define __fls(word) generic___fls(word)
+#endif
+
#endif /* _ASM_GENERIC_BITOPS___FLS_H_ */
diff --git a/tools/include/asm-generic/bitops/fls.h b/tools/include/asm-generic/bitops/fls.h
index b168bb10e1be1..26f3ce1dd6e44 100644
--- a/tools/include/asm-generic/bitops/fls.h
+++ b/tools/include/asm-generic/bitops/fls.h
@@ -3,14 +3,14 @@
#define _ASM_GENERIC_BITOPS_FLS_H_
/**
- * fls - find last (most-significant) bit set
+ * generic_fls - find last (most-significant) bit set
* @x: the word to search
*
* This is defined the same way as ffs.
* Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
*/
-static __always_inline int fls(unsigned int x)
+static __always_inline int generic_fls(unsigned int x)
{
int r = 32;
@@ -39,4 +39,8 @@ static __always_inline int fls(unsigned int x)
return r;
}
+#ifndef __HAVE_ARCH_FLS
+#define fls(x) generic_fls(x)
+#endif
+
#endif /* _ASM_GENERIC_BITOPS_FLS_H_ */
--
GitLab
From 1cebd7f74976455ccd89c1dfbcf00bca52d0a512 Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@kernel.org>
Date: Mon, 8 Apr 2024 11:55:20 -0700
Subject: [PATCH 2485/2686] tools/include: Sync arm64 asm/cputype.h with the
kernel sources
To pick up the changes from:
fb091ff39479 ("arm64: Subscribe Microsoft Azure Cobalt 100 to ARM Neoverse N2 errata")
This should address these tools/perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/arch/arm64/include/asm/cputype.h arch/arm64/include/asm/cputype.h
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240408185520.1550865-10-namhyung@kernel.org
---
tools/arch/arm64/include/asm/cputype.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/arch/arm64/include/asm/cputype.h b/tools/arch/arm64/include/asm/cputype.h
index 7c7493cb571f9..52f076afeb960 100644
--- a/tools/arch/arm64/include/asm/cputype.h
+++ b/tools/arch/arm64/include/asm/cputype.h
@@ -61,6 +61,7 @@
#define ARM_CPU_IMP_HISI 0x48
#define ARM_CPU_IMP_APPLE 0x61
#define ARM_CPU_IMP_AMPERE 0xC0
+#define ARM_CPU_IMP_MICROSOFT 0x6D
#define ARM_CPU_PART_AEM_V8 0xD0F
#define ARM_CPU_PART_FOUNDATION 0xD00
@@ -135,6 +136,8 @@
#define AMPERE_CPU_PART_AMPERE1 0xAC3
+#define MICROSOFT_CPU_PART_AZURE_COBALT_100 0xD49 /* Based on r0p0 of ARM Neoverse N2 */
+
#define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53)
#define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57)
#define MIDR_CORTEX_A72 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A72)
@@ -193,6 +196,7 @@
#define MIDR_APPLE_M2_BLIZZARD_MAX MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M2_BLIZZARD_MAX)
#define MIDR_APPLE_M2_AVALANCHE_MAX MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M2_AVALANCHE_MAX)
#define MIDR_AMPERE1 MIDR_CPU_MODEL(ARM_CPU_IMP_AMPERE, AMPERE_CPU_PART_AMPERE1)
+#define MIDR_MICROSOFT_AZURE_COBALT_100 MIDR_CPU_MODEL(ARM_CPU_IMP_MICROSOFT, MICROSOFT_CPU_PART_AZURE_COBALT_100)
/* Fujitsu Erratum 010001 affects A64FX 1.0 and 1.1, (v0r0 and v1r0) */
#define MIDR_FUJITSU_ERRATUM_010001 MIDR_FUJITSU_A64FX
--
GitLab
From 447112d7edd77fa468938377418434233bcb3709 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Wed, 6 Mar 2024 17:13:42 -0800
Subject: [PATCH 2486/2686] KVM: VMX: Snapshot LBR capabilities during module
initialization
Snapshot VMX's LBR capabilities once during module initialization instead
of calling into perf every time a vCPU reconfigures its vPMU. This will
allow massaging the LBR capabilities, e.g. if the CPU doesn't support
callstacks, without having to remember to update multiple locations.
Opportunistically tag vmx_get_perf_capabilities() with __init, as it's
only called from vmx_set_cpu_caps().
Reviewed-by: Mingwei Zhang <mizhang@google.com>
Link: https://lore.kernel.org/r/20240307011344.835640-2-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/vmx/pmu_intel.c | 2 +-
arch/x86/kvm/vmx/vmx.c | 9 +++++----
arch/x86/kvm/vmx/vmx.h | 2 ++
3 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c
index 12ade343a17ed..be40474de6e4d 100644
--- a/arch/x86/kvm/vmx/pmu_intel.c
+++ b/arch/x86/kvm/vmx/pmu_intel.c
@@ -535,7 +535,7 @@ static void intel_pmu_refresh(struct kvm_vcpu *vcpu)
perf_capabilities = vcpu_get_perf_capabilities(vcpu);
if (cpuid_model_is_consistent(vcpu) &&
(perf_capabilities & PMU_CAP_LBR_FMT))
- x86_perf_get_lbr(&lbr_desc->records);
+ memcpy(&lbr_desc->records, &vmx_lbr_caps, sizeof(vmx_lbr_caps));
else
lbr_desc->records.nr = 0;
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index e3315bda62372..aca41d3419f90 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -218,6 +218,8 @@ module_param(ple_window_max, uint, 0444);
int __read_mostly pt_mode = PT_MODE_SYSTEM;
module_param(pt_mode, int, S_IRUGO);
+struct x86_pmu_lbr __ro_after_init vmx_lbr_caps;
+
static DEFINE_STATIC_KEY_FALSE(vmx_l1d_should_flush);
static DEFINE_STATIC_KEY_FALSE(vmx_l1d_flush_cond);
static DEFINE_MUTEX(vmx_l1d_flush_mutex);
@@ -7862,10 +7864,9 @@ static void vmx_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
vmx_update_exception_bitmap(vcpu);
}
-static u64 vmx_get_perf_capabilities(void)
+static __init u64 vmx_get_perf_capabilities(void)
{
u64 perf_cap = PMU_CAP_FW_WRITES;
- struct x86_pmu_lbr lbr;
u64 host_perf_cap = 0;
if (!enable_pmu)
@@ -7875,8 +7876,8 @@ static u64 vmx_get_perf_capabilities(void)
rdmsrl(MSR_IA32_PERF_CAPABILITIES, host_perf_cap);
if (!cpu_feature_enabled(X86_FEATURE_ARCH_LBR)) {
- x86_perf_get_lbr(&lbr);
- if (lbr.nr)
+ x86_perf_get_lbr(&vmx_lbr_caps);
+ if (vmx_lbr_caps.nr)
perf_cap |= host_perf_cap & PMU_CAP_LBR_FMT;
}
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index 1742c88ba9c80..90f9e44346464 100644
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -110,6 +110,8 @@ struct lbr_desc {
bool msr_passthrough;
};
+extern struct x86_pmu_lbr vmx_lbr_caps;
+
/*
* The nested_vmx structure is part of vcpu_vmx, and holds information we need
* for correct emulation of VMX (i.e., nested VMX) on this vcpu.
--
GitLab
From 0d0b60865071115f6da76090f0dbc1f0e8b9c647 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Wed, 6 Mar 2024 17:13:43 -0800
Subject: [PATCH 2487/2686] perf/x86/intel: Expose existence of callback
support to KVM
Add a "has_callstack" field to the x86_pmu_lbr structure used to pass
information to KVM, and set it accordingly in x86_perf_get_lbr(). KVM
will use has_callstack to avoid trying to create perf LBR events with
PERF_SAMPLE_BRANCH_CALL_STACK on CPUs that don't support callstacks.
Reviewed-by: Mingwei Zhang <mizhang@google.com>
Link: https://lore.kernel.org/r/20240307011344.835640-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/events/intel/lbr.c | 1 +
arch/x86/include/asm/perf_event.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index 78cd5084104e9..4367aa77cb8d9 100644
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -1693,6 +1693,7 @@ void x86_perf_get_lbr(struct x86_pmu_lbr *lbr)
lbr->from = x86_pmu.lbr_from;
lbr->to = x86_pmu.lbr_to;
lbr->info = x86_pmu.lbr_info;
+ lbr->has_callstack = x86_pmu_has_lbr_callstack();
}
EXPORT_SYMBOL_GPL(x86_perf_get_lbr);
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 3736b8a46c04d..7f1e17250546b 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -555,6 +555,7 @@ struct x86_pmu_lbr {
unsigned int from;
unsigned int to;
unsigned int info;
+ bool has_callstack;
};
extern void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap);
--
GitLab
From bb9dc859086df369f1fd34578dd5ca82d6321d21 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Wed, 6 Mar 2024 17:13:44 -0800
Subject: [PATCH 2488/2686] KVM: VMX: Disable LBR virtualization if the CPU
doesn't support LBR callstacks
Disable LBR virtualization if the CPU doesn't support callstacks, which
were introduced in HSW (see commit e9d7f7cd97c4 ("perf/x86/intel: Add
basic Haswell LBR call stack support"), as KVM unconditionally configures
the perf LBR event with PERF_SAMPLE_BRANCH_CALL_STACK, i.e. LBR
virtualization always fails on pre-HSW CPUs.
Simply disable LBR support on such CPUs, as it has never worked, i.e.
there is no risk of breaking an existing setup, and figuring out a way
to performantly context switch LBRs on old CPUs is not worth the effort.
Fixes: be635e34c284 ("KVM: vmx/pmu: Expose LBR_FMT in the MSR_IA32_PERF_CAPABILITIES")
Cc: Mingwei Zhang <mizhang@google.com>
Cc: Jim Mattson <jmattson@google.com>
Tested-by: Mingwei Zhang <mizhang@google.com>
Link: https://lore.kernel.org/r/20240307011344.835640-4-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/vmx/vmx.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index aca41d3419f90..22411f4aff530 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7877,7 +7877,15 @@ static __init u64 vmx_get_perf_capabilities(void)
if (!cpu_feature_enabled(X86_FEATURE_ARCH_LBR)) {
x86_perf_get_lbr(&vmx_lbr_caps);
- if (vmx_lbr_caps.nr)
+
+ /*
+ * KVM requires LBR callstack support, as the overhead due to
+ * context switching LBRs without said support is too high.
+ * See intel_pmu_create_guest_lbr_event() for more info.
+ */
+ if (!vmx_lbr_caps.has_callstack)
+ memset(&vmx_lbr_caps, 0, sizeof(vmx_lbr_caps));
+ else if (vmx_lbr_caps.nr)
perf_cap |= host_perf_cap & PMU_CAP_LBR_FMT;
}
--
GitLab
From 1bc26cb9090246190e8c540f5aa201cea2f895a1 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Mon, 8 Apr 2024 16:11:15 -0700
Subject: [PATCH 2489/2686] KVM: x86/mmu: Precisely invalidate MMU root_role
during CPUID update
Set kvm_mmu_page_role.invalid to mark the various MMU root_roles invalid
during CPUID update in order to force a refresh, instead of zeroing out
the entire role. This fixes a bug where kvm_mmu_free_roots() incorrectly
thinks a root is indirect, i.e. not a TDP MMU, due to "direct" being
zeroed, which in turn causes KVM to take mmu_lock for write instead of
read.
Note, paving over the entire role was largely unintentional, commit
7a458f0e1ba1 ("KVM: x86/mmu: remove extended bits from mmu_role, rename
field") simply missed that "invalid" could be set.
Fixes: 576a15de8d29 ("KVM: x86/mmu: Free TDP MMU roots while holding mmy_lock for read")
Reported-by: syzbot+dc308fcfcd53f987de73@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/0000000000009b38080614c49bdb@google.com
Cc: Phi Nguyen <phind.uet@gmail.com>
Link: https://lore.kernel.org/r/20240408231115.1387279-1-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/mmu/mmu.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 18a404b5923f1..59c051845992b 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -5576,9 +5576,9 @@ void kvm_mmu_after_set_cpuid(struct kvm_vcpu *vcpu)
* that problem is swept under the rug; KVM's CPUID API is horrific and
* it's all but impossible to solve it without introducing a new API.
*/
- vcpu->arch.root_mmu.root_role.word = 0;
- vcpu->arch.guest_mmu.root_role.word = 0;
- vcpu->arch.nested_mmu.root_role.word = 0;
+ vcpu->arch.root_mmu.root_role.invalid = 1;
+ vcpu->arch.guest_mmu.root_role.invalid = 1;
+ vcpu->arch.nested_mmu.root_role.invalid = 1;
vcpu->arch.root_mmu.cpu_role.ext.valid = 0;
vcpu->arch.guest_mmu.cpu_role.ext.valid = 0;
vcpu->arch.nested_mmu.cpu_role.ext.valid = 0;
--
GitLab
From 2673dfb591a359c75080dd5af3da484b89320d22 Mon Sep 17 00:00:00 2001
From: David Matlack <dmatlack@google.com>
Date: Fri, 15 Mar 2024 16:05:38 -0700
Subject: [PATCH 2490/2686] KVM: x86/mmu: Write-protect L2 SPTEs in TDP MMU
when clearing dirty status
Check kvm_mmu_page_ad_need_write_protect() when deciding whether to
write-protect or clear D-bits on TDP MMU SPTEs, so that the TDP MMU
accounts for any role-specific reasons for disabling D-bit dirty logging.
Specifically, TDP MMU SPTEs must be write-protected when the TDP MMU is
being used to run an L2 (i.e. L1 has disabled EPT) and PML is enabled.
KVM always disables PML when running L2, even when L1 and L2 GPAs are in
the some domain, so failing to write-protect TDP MMU SPTEs will cause
writes made by L2 to not be reflected in the dirty log.
Reported-by: syzbot+900d58a45dcaab9e4821@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=900d58a45dcaab9e4821
Fixes: 5982a5392663 ("KVM: x86/mmu: Use kvm_ad_enabled() to determine if TDP MMU SPTEs need wrprot")
Cc: stable@vger.kernel.org
Cc: Vipin Sharma <vipinsh@google.com>
Cc: Sean Christopherson <seanjc@google.com>
Signed-off-by: David Matlack <dmatlack@google.com>
Link: https://lore.kernel.org/r/20240315230541.1635322-2-dmatlack@google.com
[sean: massage shortlog and changelog, tweak ternary op formatting]
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/mmu/tdp_mmu.c | 21 ++++++++++++++++-----
1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index d078157e62aa4..cf7d607a01252 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -1548,6 +1548,16 @@ void kvm_tdp_mmu_try_split_huge_pages(struct kvm *kvm,
}
}
+static bool tdp_mmu_need_write_protect(struct kvm_mmu_page *sp)
+{
+ /*
+ * All TDP MMU shadow pages share the same role as their root, aside
+ * from level, so it is valid to key off any shadow page to determine if
+ * write protection is needed for an entire tree.
+ */
+ return kvm_mmu_page_ad_need_write_protect(sp) || !kvm_ad_enabled();
+}
+
/*
* Clear the dirty status of all the SPTEs mapping GFNs in the memslot. If
* AD bits are enabled, this will involve clearing the dirty bit on each SPTE.
@@ -1558,7 +1568,8 @@ void kvm_tdp_mmu_try_split_huge_pages(struct kvm *kvm,
static bool clear_dirty_gfn_range(struct kvm *kvm, struct kvm_mmu_page *root,
gfn_t start, gfn_t end)
{
- u64 dbit = kvm_ad_enabled() ? shadow_dirty_mask : PT_WRITABLE_MASK;
+ const u64 dbit = tdp_mmu_need_write_protect(root) ? PT_WRITABLE_MASK :
+ shadow_dirty_mask;
struct tdp_iter iter;
bool spte_set = false;
@@ -1573,7 +1584,7 @@ static bool clear_dirty_gfn_range(struct kvm *kvm, struct kvm_mmu_page *root,
if (tdp_mmu_iter_cond_resched(kvm, &iter, false, true))
continue;
- KVM_MMU_WARN_ON(kvm_ad_enabled() &&
+ KVM_MMU_WARN_ON(dbit == shadow_dirty_mask &&
spte_ad_need_write_protect(iter.old_spte));
if (!(iter.old_spte & dbit))
@@ -1620,8 +1631,8 @@ bool kvm_tdp_mmu_clear_dirty_slot(struct kvm *kvm,
static void clear_dirty_pt_masked(struct kvm *kvm, struct kvm_mmu_page *root,
gfn_t gfn, unsigned long mask, bool wrprot)
{
- u64 dbit = (wrprot || !kvm_ad_enabled()) ? PT_WRITABLE_MASK :
- shadow_dirty_mask;
+ const u64 dbit = (wrprot || tdp_mmu_need_write_protect(root)) ? PT_WRITABLE_MASK :
+ shadow_dirty_mask;
struct tdp_iter iter;
lockdep_assert_held_write(&kvm->mmu_lock);
@@ -1633,7 +1644,7 @@ static void clear_dirty_pt_masked(struct kvm *kvm, struct kvm_mmu_page *root,
if (!mask)
break;
- KVM_MMU_WARN_ON(kvm_ad_enabled() &&
+ KVM_MMU_WARN_ON(dbit == shadow_dirty_mask &&
spte_ad_need_write_protect(iter.old_spte));
if (iter.level > PG_LEVEL_4K ||
--
GitLab
From feac19aa4c26dc028d358bf23fa8f228ab46699e Mon Sep 17 00:00:00 2001
From: David Matlack <dmatlack@google.com>
Date: Fri, 15 Mar 2024 16:05:39 -0700
Subject: [PATCH 2491/2686] KVM: x86/mmu: Remove function comments above
clear_dirty_{gfn_range,pt_masked}()
Drop the comments above clear_dirty_gfn_range() and
clear_dirty_pt_masked(), since each is word-for-word identical to the
comment above their parent function.
Leave the comment on the parent functions since they are APIs called by
the KVM/x86 MMU.
No functional change intended.
Signed-off-by: David Matlack <dmatlack@google.com>
Link: https://lore.kernel.org/r/20240315230541.1635322-3-dmatlack@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/mmu/tdp_mmu.c | 14 --------------
1 file changed, 14 deletions(-)
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index cf7d607a01252..23759b2bca5e6 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -1558,13 +1558,6 @@ static bool tdp_mmu_need_write_protect(struct kvm_mmu_page *sp)
return kvm_mmu_page_ad_need_write_protect(sp) || !kvm_ad_enabled();
}
-/*
- * Clear the dirty status of all the SPTEs mapping GFNs in the memslot. If
- * AD bits are enabled, this will involve clearing the dirty bit on each SPTE.
- * If AD bits are not enabled, this will require clearing the writable bit on
- * each SPTE. Returns true if an SPTE has been changed and the TLBs need to
- * be flushed.
- */
static bool clear_dirty_gfn_range(struct kvm *kvm, struct kvm_mmu_page *root,
gfn_t start, gfn_t end)
{
@@ -1621,13 +1614,6 @@ bool kvm_tdp_mmu_clear_dirty_slot(struct kvm *kvm,
return spte_set;
}
-/*
- * Clears the dirty status of all the 4k SPTEs mapping GFNs for which a bit is
- * set in mask, starting at gfn. The given memslot is expected to contain all
- * the GFNs represented by set bits in the mask. If AD bits are enabled,
- * clearing the dirty status will involve clearing the dirty bit on each SPTE
- * or, if AD bits are not enabled, clearing the writable bit on each SPTE.
- */
static void clear_dirty_pt_masked(struct kvm *kvm, struct kvm_mmu_page *root,
gfn_t gfn, unsigned long mask, bool wrprot)
{
--
GitLab
From b1a8d2b02b69c7d7685f2e19f32034065310dbae Mon Sep 17 00:00:00 2001
From: David Matlack <dmatlack@google.com>
Date: Fri, 15 Mar 2024 16:05:40 -0700
Subject: [PATCH 2492/2686] KVM: x86/mmu: Fix and clarify comments about
clearing D-bit vs. write-protecting
Drop the "If AD bits are enabled/disabled" verbiage from the comments
above kvm_tdp_mmu_clear_dirty_{slot,pt_masked}() since TDP MMU SPTEs may
need to be write-protected even when A/D bits are enabled. i.e. These
comments aren't technically correct.
No functional change intended.
Signed-off-by: David Matlack <dmatlack@google.com>
Link: https://lore.kernel.org/r/20240315230541.1635322-4-dmatlack@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/mmu/tdp_mmu.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index 23759b2bca5e6..04c1f0957fea8 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -1594,11 +1594,9 @@ static bool clear_dirty_gfn_range(struct kvm *kvm, struct kvm_mmu_page *root,
}
/*
- * Clear the dirty status of all the SPTEs mapping GFNs in the memslot. If
- * AD bits are enabled, this will involve clearing the dirty bit on each SPTE.
- * If AD bits are not enabled, this will require clearing the writable bit on
- * each SPTE. Returns true if an SPTE has been changed and the TLBs need to
- * be flushed.
+ * Clear the dirty status (D-bit or W-bit) of all the SPTEs mapping GFNs in the
+ * memslot. Returns true if an SPTE has been changed and the TLBs need to be
+ * flushed.
*/
bool kvm_tdp_mmu_clear_dirty_slot(struct kvm *kvm,
const struct kvm_memory_slot *slot)
@@ -1656,11 +1654,9 @@ static void clear_dirty_pt_masked(struct kvm *kvm, struct kvm_mmu_page *root,
}
/*
- * Clears the dirty status of all the 4k SPTEs mapping GFNs for which a bit is
- * set in mask, starting at gfn. The given memslot is expected to contain all
- * the GFNs represented by set bits in the mask. If AD bits are enabled,
- * clearing the dirty status will involve clearing the dirty bit on each SPTE
- * or, if AD bits are not enabled, clearing the writable bit on each SPTE.
+ * Clear the dirty status (D-bit or W-bit) of all the 4k SPTEs mapping GFNs for
+ * which a bit is set in mask, starting at gfn. The given memslot is expected to
+ * contain all the GFNs represented by set bits in the mask.
*/
void kvm_tdp_mmu_clear_dirty_pt_masked(struct kvm *kvm,
struct kvm_memory_slot *slot,
--
GitLab
From 40e0ee6338f0c042c0dabe1f17eb76eac37b5425 Mon Sep 17 00:00:00 2001
From: David Matlack <dmatlack@google.com>
Date: Fri, 15 Mar 2024 16:05:41 -0700
Subject: [PATCH 2493/2686] KVM: selftests: Add coverage of EPT-disabled to
vmx_dirty_log_test
Extend vmx_dirty_log_test to include accesses made by L2 when EPT is
disabled.
This commit adds explicit coverage of a bug caught by syzkaller, where
the TDP MMU would clear D-bits instead of write-protecting SPTEs being
used to map an L2, which only happens when L1 does not enable EPT,
causing writes made by L2 to not be reflected in the dirty log when PML
is enabled:
$ ./vmx_dirty_log_test
Nested EPT: disabled
==== Test Assertion Failure ====
x86_64/vmx_dirty_log_test.c:151: test_bit(0, bmap)
pid=72052 tid=72052 errno=4 - Interrupted system call
(stack trace empty)
Page 0 incorrectly reported clean
Opportunistically replace the volatile casts with {READ,WRITE}_ONCE().
Link: https://lore.kernel.org/kvm/000000000000c6526f06137f18cc@google.com/
Signed-off-by: David Matlack <dmatlack@google.com>
Link: https://lore.kernel.org/r/20240315230541.1635322-5-dmatlack@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
.../selftests/kvm/x86_64/vmx_dirty_log_test.c | 60 ++++++++++++++-----
1 file changed, 46 insertions(+), 14 deletions(-)
diff --git a/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c b/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c
index 7f6f5f23fb9b6..977948fd52e6b 100644
--- a/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c
+++ b/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c
@@ -28,16 +28,16 @@
#define NESTED_TEST_MEM1 0xc0001000
#define NESTED_TEST_MEM2 0xc0002000
-static void l2_guest_code(void)
+static void l2_guest_code(u64 *a, u64 *b)
{
- *(volatile uint64_t *)NESTED_TEST_MEM1;
- *(volatile uint64_t *)NESTED_TEST_MEM1 = 1;
+ READ_ONCE(*a);
+ WRITE_ONCE(*a, 1);
GUEST_SYNC(true);
GUEST_SYNC(false);
- *(volatile uint64_t *)NESTED_TEST_MEM2 = 1;
+ WRITE_ONCE(*b, 1);
GUEST_SYNC(true);
- *(volatile uint64_t *)NESTED_TEST_MEM2 = 1;
+ WRITE_ONCE(*b, 1);
GUEST_SYNC(true);
GUEST_SYNC(false);
@@ -45,17 +45,33 @@ static void l2_guest_code(void)
vmcall();
}
+static void l2_guest_code_ept_enabled(void)
+{
+ l2_guest_code((u64 *)NESTED_TEST_MEM1, (u64 *)NESTED_TEST_MEM2);
+}
+
+static void l2_guest_code_ept_disabled(void)
+{
+ /* Access the same L1 GPAs as l2_guest_code_ept_enabled() */
+ l2_guest_code((u64 *)GUEST_TEST_MEM, (u64 *)GUEST_TEST_MEM);
+}
+
void l1_guest_code(struct vmx_pages *vmx)
{
#define L2_GUEST_STACK_SIZE 64
unsigned long l2_guest_stack[L2_GUEST_STACK_SIZE];
+ void *l2_rip;
GUEST_ASSERT(vmx->vmcs_gpa);
GUEST_ASSERT(prepare_for_vmx_operation(vmx));
GUEST_ASSERT(load_vmcs(vmx));
- prepare_vmcs(vmx, l2_guest_code,
- &l2_guest_stack[L2_GUEST_STACK_SIZE]);
+ if (vmx->eptp_gpa)
+ l2_rip = l2_guest_code_ept_enabled;
+ else
+ l2_rip = l2_guest_code_ept_disabled;
+
+ prepare_vmcs(vmx, l2_rip, &l2_guest_stack[L2_GUEST_STACK_SIZE]);
GUEST_SYNC(false);
GUEST_ASSERT(!vmlaunch());
@@ -64,7 +80,7 @@ void l1_guest_code(struct vmx_pages *vmx)
GUEST_DONE();
}
-int main(int argc, char *argv[])
+static void test_vmx_dirty_log(bool enable_ept)
{
vm_vaddr_t vmx_pages_gva = 0;
struct vmx_pages *vmx;
@@ -76,8 +92,7 @@ int main(int argc, char *argv[])
struct ucall uc;
bool done = false;
- TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_VMX));
- TEST_REQUIRE(kvm_cpu_has_ept());
+ pr_info("Nested EPT: %s\n", enable_ept ? "enabled" : "disabled");
/* Create VM */
vm = vm_create_with_one_vcpu(&vcpu, l1_guest_code);
@@ -103,11 +118,16 @@ int main(int argc, char *argv[])
*
* Note that prepare_eptp should be called only L1's GPA map is done,
* meaning after the last call to virt_map.
+ *
+ * When EPT is disabled, the L2 guest code will still access the same L1
+ * GPAs as the EPT enabled case.
*/
- prepare_eptp(vmx, vm, 0);
- nested_map_memslot(vmx, vm, 0);
- nested_map(vmx, vm, NESTED_TEST_MEM1, GUEST_TEST_MEM, 4096);
- nested_map(vmx, vm, NESTED_TEST_MEM2, GUEST_TEST_MEM, 4096);
+ if (enable_ept) {
+ prepare_eptp(vmx, vm, 0);
+ nested_map_memslot(vmx, vm, 0);
+ nested_map(vmx, vm, NESTED_TEST_MEM1, GUEST_TEST_MEM, 4096);
+ nested_map(vmx, vm, NESTED_TEST_MEM2, GUEST_TEST_MEM, 4096);
+ }
bmap = bitmap_zalloc(TEST_MEM_PAGES);
host_test_mem = addr_gpa2hva(vm, GUEST_TEST_MEM);
@@ -148,3 +168,15 @@ int main(int argc, char *argv[])
}
}
}
+
+int main(int argc, char *argv[])
+{
+ TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_VMX));
+
+ test_vmx_dirty_log(/*enable_ept=*/false);
+
+ if (kvm_cpu_has_ept())
+ test_vmx_dirty_log(/*enable_ept=*/true);
+
+ return 0;
+}
--
GitLab
From eefb85b3f0310c2f4149c50cb9b13094ed1dde25 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <seanjc@google.com>
Date: Mon, 4 Mar 2024 16:37:42 -0800
Subject: [PATCH 2494/2686] KVM: Drop unused @may_block param from
gfn_to_pfn_cache_invalidate_start()
Remove gfn_to_pfn_cache_invalidate_start()'s unused @may_block parameter,
which was leftover from KVM's abandoned (for now) attempt to support guest
usage of gfn_to_pfn caches.
Fixes: a4bff3df5147 ("KVM: pfncache: remove KVM_GUEST_USES_PFN usage")
Reported-by: Like Xu <like.xu.linux@gmail.com>
Cc: Paul Durrant <paul@xen.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Link: https://lore.kernel.org/r/20240305003742.245767-1-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
virt/kvm/kvm_main.c | 3 +--
virt/kvm/kvm_mm.h | 6 ++----
virt/kvm/pfncache.c | 2 +-
3 files changed, 4 insertions(+), 7 deletions(-)
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index fb49c2a602002..ff0a20565f908 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -832,8 +832,7 @@ static int kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn,
* mn_active_invalidate_count (see above) instead of
* mmu_invalidate_in_progress.
*/
- gfn_to_pfn_cache_invalidate_start(kvm, range->start, range->end,
- hva_range.may_block);
+ gfn_to_pfn_cache_invalidate_start(kvm, range->start, range->end);
/*
* If one or more memslots were found and thus zapped, notify arch code
diff --git a/virt/kvm/kvm_mm.h b/virt/kvm/kvm_mm.h
index ecefc7ec51af8..715f19669d01f 100644
--- a/virt/kvm/kvm_mm.h
+++ b/virt/kvm/kvm_mm.h
@@ -26,13 +26,11 @@ kvm_pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool interruptible,
#ifdef CONFIG_HAVE_KVM_PFNCACHE
void gfn_to_pfn_cache_invalidate_start(struct kvm *kvm,
unsigned long start,
- unsigned long end,
- bool may_block);
+ unsigned long end);
#else
static inline void gfn_to_pfn_cache_invalidate_start(struct kvm *kvm,
unsigned long start,
- unsigned long end,
- bool may_block)
+ unsigned long end)
{
}
#endif /* HAVE_KVM_PFNCACHE */
diff --git a/virt/kvm/pfncache.c b/virt/kvm/pfncache.c
index f618719644e04..e3453e869e92c 100644
--- a/virt/kvm/pfncache.c
+++ b/virt/kvm/pfncache.c
@@ -23,7 +23,7 @@
* MMU notifier 'invalidate_range_start' hook.
*/
void gfn_to_pfn_cache_invalidate_start(struct kvm *kvm, unsigned long start,
- unsigned long end, bool may_block)
+ unsigned long end)
{
struct gfn_to_pfn_cache *gpc;
--
GitLab
From 17f8dc2db52185460f212052f3a692c1fdc167ba Mon Sep 17 00:00:00 2001
From: Xiubo Li <xiubli@redhat.com>
Date: Tue, 9 Apr 2024 08:56:03 +0800
Subject: [PATCH 2495/2686] ceph: switch to use cap_delay_lock for the unlink
delay list
The same list item will be used in both cap_delay_list and
cap_unlink_delay_list, so it's buggy to use two different locks
to protect them.
Cc: stable@vger.kernel.org
Fixes: dbc347ef7f0c ("ceph: add ceph_cap_unlink_work to fire check_caps() immediately")
Link: https://lists.ceph.io/hyperkitty/list/ceph-users@ceph.io/thread/AODC76VXRAMXKLFDCTK4TKFDDPWUSCN5
Reported-by: Marc Ruhmann <ruhmann@luis.uni-hannover.de>
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Tested-by: Marc Ruhmann <ruhmann@luis.uni-hannover.de>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
fs/ceph/caps.c | 4 ++--
fs/ceph/mds_client.c | 9 ++++-----
fs/ceph/mds_client.h | 3 +--
3 files changed, 7 insertions(+), 9 deletions(-)
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 55051ad09c191..c4941ba245ac3 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -4783,13 +4783,13 @@ int ceph_drop_caps_for_unlink(struct inode *inode)
doutc(mdsc->fsc->client, "%p %llx.%llx\n", inode,
ceph_vinop(inode));
- spin_lock(&mdsc->cap_unlink_delay_lock);
+ spin_lock(&mdsc->cap_delay_lock);
ci->i_ceph_flags |= CEPH_I_FLUSH;
if (!list_empty(&ci->i_cap_delay_list))
list_del_init(&ci->i_cap_delay_list);
list_add_tail(&ci->i_cap_delay_list,
&mdsc->cap_unlink_delay_list);
- spin_unlock(&mdsc->cap_unlink_delay_lock);
+ spin_unlock(&mdsc->cap_delay_lock);
/*
* Fire the work immediately, because the MDS maybe
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 3ab9c268a8bb3..360b686c3c67c 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2504,7 +2504,7 @@ static void ceph_cap_unlink_work(struct work_struct *work)
struct ceph_client *cl = mdsc->fsc->client;
doutc(cl, "begin\n");
- spin_lock(&mdsc->cap_unlink_delay_lock);
+ spin_lock(&mdsc->cap_delay_lock);
while (!list_empty(&mdsc->cap_unlink_delay_list)) {
struct ceph_inode_info *ci;
struct inode *inode;
@@ -2516,15 +2516,15 @@ static void ceph_cap_unlink_work(struct work_struct *work)
inode = igrab(&ci->netfs.inode);
if (inode) {
- spin_unlock(&mdsc->cap_unlink_delay_lock);
+ spin_unlock(&mdsc->cap_delay_lock);
doutc(cl, "on %p %llx.%llx\n", inode,
ceph_vinop(inode));
ceph_check_caps(ci, CHECK_CAPS_FLUSH);
iput(inode);
- spin_lock(&mdsc->cap_unlink_delay_lock);
+ spin_lock(&mdsc->cap_delay_lock);
}
}
- spin_unlock(&mdsc->cap_unlink_delay_lock);
+ spin_unlock(&mdsc->cap_delay_lock);
doutc(cl, "done\n");
}
@@ -5404,7 +5404,6 @@ int ceph_mdsc_init(struct ceph_fs_client *fsc)
INIT_LIST_HEAD(&mdsc->cap_wait_list);
spin_lock_init(&mdsc->cap_delay_lock);
INIT_LIST_HEAD(&mdsc->cap_unlink_delay_list);
- spin_lock_init(&mdsc->cap_unlink_delay_lock);
INIT_LIST_HEAD(&mdsc->snap_flush_list);
spin_lock_init(&mdsc->snap_flush_lock);
mdsc->last_cap_flush_tid = 1;
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 03f8ff00874f7..b88e804152241 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -461,9 +461,8 @@ struct ceph_mds_client {
struct delayed_work delayed_work; /* delayed work */
unsigned long last_renew_caps; /* last time we renewed our caps */
struct list_head cap_delay_list; /* caps with delayed release */
- spinlock_t cap_delay_lock; /* protects cap_delay_list */
struct list_head cap_unlink_delay_list; /* caps with delayed release for unlink */
- spinlock_t cap_unlink_delay_lock; /* protects cap_unlink_delay_list */
+ spinlock_t cap_delay_lock; /* protects cap_delay_list and cap_unlink_delay_list */
struct list_head snap_flush_list; /* cap_snaps ready to flush */
spinlock_t snap_flush_lock;
--
GitLab
From d3e0469306793972fd2b1ea016fa7ab0658c9849 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@kernel.org>
Date: Tue, 9 Apr 2024 07:01:57 -0400
Subject: [PATCH 2496/2686] MAINTAINERS: remove myself as a Reviewer for Ceph
It has been a couple of years since I stepped down as CephFS maintainer.
I'm not involved in any meaningful way with the project these days, so
while I'm happy to help review the occasional patch, I don't need to be
cc'ed on all of them.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
MAINTAINERS | 2 --
1 file changed, 2 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index aea47e04c3a52..c45e2c3f6ff95 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4869,7 +4869,6 @@ F: drivers/power/supply/cw2015_battery.c
CEPH COMMON CODE (LIBCEPH)
M: Ilya Dryomov <idryomov@gmail.com>
M: Xiubo Li <xiubli@redhat.com>
-R: Jeff Layton <jlayton@kernel.org>
L: ceph-devel@vger.kernel.org
S: Supported
W: http://ceph.com/
@@ -4881,7 +4880,6 @@ F: net/ceph/
CEPH DISTRIBUTED FILE SYSTEM CLIENT (CEPH)
M: Xiubo Li <xiubli@redhat.com>
M: Ilya Dryomov <idryomov@gmail.com>
-R: Jeff Layton <jlayton@kernel.org>
L: ceph-devel@vger.kernel.org
S: Supported
W: http://ceph.com/
--
GitLab
From 28e0947651ce6a2200b9a7eceb93282e97d7e51a Mon Sep 17 00:00:00 2001
From: Steve French <stfrench@microsoft.com>
Date: Sat, 6 Apr 2024 23:16:08 -0500
Subject: [PATCH 2497/2686] smb3: fix Open files on server counter going
negative
We were decrementing the count of open files on server twice
for the case where we were closing cached directories.
Fixes: 8e843bf38f7b ("cifs: return a single-use cfid if we did not get a lease")
Cc: stable@vger.kernel.org
Acked-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/cached_dir.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/smb/client/cached_dir.c b/fs/smb/client/cached_dir.c
index 13a9d7acf8f8e..0ff2491c311d8 100644
--- a/fs/smb/client/cached_dir.c
+++ b/fs/smb/client/cached_dir.c
@@ -433,8 +433,8 @@ smb2_close_cached_fid(struct kref *ref)
if (cfid->is_open) {
rc = SMB2_close(0, cfid->tcon, cfid->fid.persistent_fid,
cfid->fid.volatile_fid);
- if (rc != -EBUSY && rc != -EAGAIN)
- atomic_dec(&cfid->tcon->num_remote_opens);
+ if (rc) /* should we retry on -EBUSY or -EAGAIN? */
+ cifs_dbg(VFS, "close cached dir rc %d\n", rc);
}
free_cached_dir(cfid);
--
GitLab
From c6ff459037b2e35450af2351037eac4c8aca1d6b Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@manguebit.com>
Date: Tue, 9 Apr 2024 11:28:59 -0300
Subject: [PATCH 2498/2686] smb: client: instantiate when creating SFU files
In cifs_sfu_make_node(), on success, instantiate rather than leave it
with dentry unhashed negative to support callers that expect mknod(2)
to always instantiate.
This fixes the following test case:
mount.cifs //srv/share /mnt -o ...,sfu
mkfifo /mnt/fifo
./xfstests/ltp/growfiles -b -W test -e 1 -u -i 0 -L 30 /mnt/fifo
...
BUG: unable to handle page fault for address: 000000034cec4e58
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 1 PREEMPT SMP PTI
CPU: 0 PID: 138098 Comm: growfiles Kdump: loaded Not tainted
5.14.0-436.3987_1240945149.el9.x86_64 #1
Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
RIP: 0010:_raw_callee_save__kvm_vcpu_is_preempted+0x0/0x20
Code: e8 15 d9 61 00 e9 63 ff ff ff 41 bd ea ff ff ff e9 58 ff ff ff e8
d0 71 c0 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> 8b 04
fd 60 2b c1 99 80 b8 90 50 03 00 00 0f 95 c0 c3 cc cc cc
RSP: 0018:ffffb6a143cf7cf8 EFLAGS: 00010206
RAX: ffff8a9bc30fb038 RBX: ffff8a9bc666a200 RCX: ffff8a9cc0260000
RDX: 00000000736f622e RSI: ffff8a9bc30fb038 RDI: 000000007665645f
RBP: ffffb6a143cf7d70 R08: 0000000000001000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000000 R12: ffff8a9bc666a200
R13: 0000559a302a12b0 R14: 0000000000001000 R15: 0000000000000000
FS: 00007fbed1dbb740(0000) GS:ffff8a9cf0000000(0000)
knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000034cec4e58 CR3: 0000000128ec6006 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
<TASK>
? show_trace_log_lvl+0x1c4/0x2df
? show_trace_log_lvl+0x1c4/0x2df
? __mutex_lock.constprop.0+0x5f7/0x6a0
? __die_body.cold+0x8/0xd
? page_fault_oops+0x134/0x170
? exc_page_fault+0x62/0x150
? asm_exc_page_fault+0x22/0x30
? _pfx_raw_callee_save__kvm_vcpu_is_preempted+0x10/0x10
__mutex_lock.constprop.0+0x5f7/0x6a0
? __mod_memcg_lruvec_state+0x84/0xd0
pipe_write+0x47/0x650
? do_anonymous_page+0x258/0x410
? inode_security+0x22/0x60
? selinux_file_permission+0x108/0x150
vfs_write+0x2cb/0x410
ksys_write+0x5f/0xe0
do_syscall_64+0x5c/0xf0
? syscall_exit_to_user_mode+0x22/0x40
? do_syscall_64+0x6b/0xf0
? sched_clock_cpu+0x9/0xc0
? exc_page_fault+0x62/0x150
entry_SYSCALL_64_after_hwframe+0x6e/0x76
Cc: stable@vger.kernel.org
Fixes: 72bc63f5e23a ("smb3: fix creating FIFOs when mounting with "sfu" mount option")
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/smb2ops.c | 94 ++++++++++++++++++++++++-----------------
1 file changed, 55 insertions(+), 39 deletions(-)
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index b156eefa75d7c..78c94d0350fe9 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -4964,68 +4964,84 @@ static int smb2_next_header(struct TCP_Server_Info *server, char *buf,
return 0;
}
-int cifs_sfu_make_node(unsigned int xid, struct inode *inode,
- struct dentry *dentry, struct cifs_tcon *tcon,
- const char *full_path, umode_t mode, dev_t dev)
+static int __cifs_sfu_make_node(unsigned int xid, struct inode *inode,
+ struct dentry *dentry, struct cifs_tcon *tcon,
+ const char *full_path, umode_t mode, dev_t dev)
{
- struct cifs_open_info_data buf = {};
struct TCP_Server_Info *server = tcon->ses->server;
struct cifs_open_parms oparms;
struct cifs_io_parms io_parms = {};
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
struct cifs_fid fid;
unsigned int bytes_written;
- struct win_dev *pdev;
+ struct win_dev pdev = {};
struct kvec iov[2];
__u32 oplock = server->oplocks ? REQ_OPLOCK : 0;
int rc;
- if (!S_ISCHR(mode) && !S_ISBLK(mode) && !S_ISFIFO(mode))
+ switch (mode & S_IFMT) {
+ case S_IFCHR:
+ strscpy(pdev.type, "IntxCHR");
+ pdev.major = cpu_to_le64(MAJOR(dev));
+ pdev.minor = cpu_to_le64(MINOR(dev));
+ break;
+ case S_IFBLK:
+ strscpy(pdev.type, "IntxBLK");
+ pdev.major = cpu_to_le64(MAJOR(dev));
+ pdev.minor = cpu_to_le64(MINOR(dev));
+ break;
+ case S_IFIFO:
+ strscpy(pdev.type, "LnxFIFO");
+ break;
+ default:
return -EPERM;
+ }
- oparms = (struct cifs_open_parms) {
- .tcon = tcon,
- .cifs_sb = cifs_sb,
- .desired_access = GENERIC_WRITE,
- .create_options = cifs_create_options(cifs_sb, CREATE_NOT_DIR |
- CREATE_OPTION_SPECIAL),
- .disposition = FILE_CREATE,
- .path = full_path,
- .fid = &fid,
- };
+ oparms = CIFS_OPARMS(cifs_sb, tcon, full_path, GENERIC_WRITE,
+ FILE_CREATE, CREATE_NOT_DIR |
+ CREATE_OPTION_SPECIAL, ACL_NO_MODE);
+ oparms.fid = &fid;
- rc = server->ops->open(xid, &oparms, &oplock, &buf);
+ rc = server->ops->open(xid, &oparms, &oplock, NULL);
if (rc)
return rc;
- /*
- * BB Do not bother to decode buf since no local inode yet to put
- * timestamps in, but we can reuse it safely.
- */
- pdev = (struct win_dev *)&buf.fi;
io_parms.pid = current->tgid;
io_parms.tcon = tcon;
- io_parms.length = sizeof(*pdev);
- iov[1].iov_base = pdev;
- iov[1].iov_len = sizeof(*pdev);
- if (S_ISCHR(mode)) {
- memcpy(pdev->type, "IntxCHR", 8);
- pdev->major = cpu_to_le64(MAJOR(dev));
- pdev->minor = cpu_to_le64(MINOR(dev));
- } else if (S_ISBLK(mode)) {
- memcpy(pdev->type, "IntxBLK", 8);
- pdev->major = cpu_to_le64(MAJOR(dev));
- pdev->minor = cpu_to_le64(MINOR(dev));
- } else if (S_ISFIFO(mode)) {
- memcpy(pdev->type, "LnxFIFO", 8);
- }
+ io_parms.length = sizeof(pdev);
+ iov[1].iov_base = &pdev;
+ iov[1].iov_len = sizeof(pdev);
rc = server->ops->sync_write(xid, &fid, &io_parms,
&bytes_written, iov, 1);
server->ops->close(xid, tcon, &fid);
- d_drop(dentry);
- /* FIXME: add code here to set EAs */
- cifs_free_open_info(&buf);
+ return rc;
+}
+
+int cifs_sfu_make_node(unsigned int xid, struct inode *inode,
+ struct dentry *dentry, struct cifs_tcon *tcon,
+ const char *full_path, umode_t mode, dev_t dev)
+{
+ struct inode *new = NULL;
+ int rc;
+
+ rc = __cifs_sfu_make_node(xid, inode, dentry, tcon,
+ full_path, mode, dev);
+ if (rc)
+ return rc;
+
+ if (tcon->posix_extensions) {
+ rc = smb311_posix_get_inode_info(&new, full_path, NULL,
+ inode->i_sb, xid);
+ } else if (tcon->unix_ext) {
+ rc = cifs_get_inode_info_unix(&new, full_path,
+ inode->i_sb, xid);
+ } else {
+ rc = cifs_get_inode_info(&new, full_path, NULL,
+ inode->i_sb, xid, NULL);
+ }
+ if (!rc)
+ d_instantiate(dentry, new);
return rc;
}
--
GitLab
From 35f834265e0dc78b003aa0d1af65cafb89666b76 Mon Sep 17 00:00:00 2001
From: Steve French <stfrench@microsoft.com>
Date: Thu, 4 Apr 2024 18:06:56 -0500
Subject: [PATCH 2499/2686] smb3: fix broken reconnect when password changing
on the server by allowing password rotation
There are various use cases that are becoming more common in which password
changes are scheduled on a server(s) periodically but the clients connected
to this server need to stay connected (even in the face of brief network
reconnects) due to mounts which can not be easily unmounted and mounted at
will, and servers that do password rotation do not always have the ability
to tell the clients exactly when to the new password will be effective,
so add support for an alt password ("password2=") on mount (and also
remount) so that we can anticipate the upcoming change to the server
without risking breaking existing mounts.
An alternative would have been to use the kernel keyring for this but the
processes doing the reconnect do not have access to the keyring but do
have access to the ses structure.
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/smb/client/cifsglob.h | 1 +
fs/smb/client/connect.c | 8 ++++++++
fs/smb/client/fs_context.c | 21 +++++++++++++++++++++
fs/smb/client/fs_context.h | 2 ++
fs/smb/client/misc.c | 1 +
fs/smb/client/smb2pdu.c | 11 +++++++++++
6 files changed, 44 insertions(+)
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h
index f6a302205f89c..d6669ce4ae87f 100644
--- a/fs/smb/client/cifsglob.h
+++ b/fs/smb/client/cifsglob.h
@@ -1077,6 +1077,7 @@ struct cifs_ses {
and after mount option parsing we fill it */
char *domainName;
char *password;
+ char *password2; /* When key rotation used, new password may be set before it expires */
char workstation_name[CIFS_MAX_WORKSTATION_LEN];
struct session_key auth_key;
struct ntlmssp_auth *ntlmssp; /* ciphertext, flags, server challenge */
diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index 85679ae106fd5..4e35970681bf0 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -2183,6 +2183,7 @@ cifs_set_cifscreds(struct smb3_fs_context *ctx, struct cifs_ses *ses)
}
++delim;
+ /* BB consider adding support for password2 (Key Rotation) for multiuser in future */
ctx->password = kstrndup(delim, len, GFP_KERNEL);
if (!ctx->password) {
cifs_dbg(FYI, "Unable to allocate %zd bytes for password\n",
@@ -2206,6 +2207,7 @@ cifs_set_cifscreds(struct smb3_fs_context *ctx, struct cifs_ses *ses)
kfree(ctx->username);
ctx->username = NULL;
kfree_sensitive(ctx->password);
+ /* no need to free ctx->password2 since not allocated in this path */
ctx->password = NULL;
goto out_key_put;
}
@@ -2317,6 +2319,12 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx)
if (!ses->password)
goto get_ses_fail;
}
+ /* ctx->password freed at unmount */
+ if (ctx->password2) {
+ ses->password2 = kstrdup(ctx->password2, GFP_KERNEL);
+ if (!ses->password2)
+ goto get_ses_fail;
+ }
if (ctx->domainname) {
ses->domainName = kstrdup(ctx->domainname, GFP_KERNEL);
if (!ses->domainName)
diff --git a/fs/smb/client/fs_context.c b/fs/smb/client/fs_context.c
index b7bfe705b2c49..6c727d8c31e87 100644
--- a/fs/smb/client/fs_context.c
+++ b/fs/smb/client/fs_context.c
@@ -162,6 +162,7 @@ const struct fs_parameter_spec smb3_fs_parameters[] = {
fsparam_string("username", Opt_user),
fsparam_string("pass", Opt_pass),
fsparam_string("password", Opt_pass),
+ fsparam_string("password2", Opt_pass2),
fsparam_string("ip", Opt_ip),
fsparam_string("addr", Opt_ip),
fsparam_string("domain", Opt_domain),
@@ -345,6 +346,7 @@ smb3_fs_context_dup(struct smb3_fs_context *new_ctx, struct smb3_fs_context *ctx
new_ctx->nodename = NULL;
new_ctx->username = NULL;
new_ctx->password = NULL;
+ new_ctx->password2 = NULL;
new_ctx->server_hostname = NULL;
new_ctx->domainname = NULL;
new_ctx->UNC = NULL;
@@ -357,6 +359,7 @@ smb3_fs_context_dup(struct smb3_fs_context *new_ctx, struct smb3_fs_context *ctx
DUP_CTX_STR(prepath);
DUP_CTX_STR(username);
DUP_CTX_STR(password);
+ DUP_CTX_STR(password2);
DUP_CTX_STR(server_hostname);
DUP_CTX_STR(UNC);
DUP_CTX_STR(source);
@@ -905,6 +908,8 @@ static int smb3_reconfigure(struct fs_context *fc)
else {
kfree_sensitive(ses->password);
ses->password = kstrdup(ctx->password, GFP_KERNEL);
+ kfree_sensitive(ses->password2);
+ ses->password2 = kstrdup(ctx->password2, GFP_KERNEL);
}
STEAL_STRING(cifs_sb, ctx, domainname);
STEAL_STRING(cifs_sb, ctx, nodename);
@@ -1305,6 +1310,18 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
goto cifs_parse_mount_err;
}
break;
+ case Opt_pass2:
+ kfree_sensitive(ctx->password2);
+ ctx->password2 = NULL;
+ if (strlen(param->string) == 0)
+ break;
+
+ ctx->password2 = kstrdup(param->string, GFP_KERNEL);
+ if (ctx->password2 == NULL) {
+ cifs_errorf(fc, "OOM when copying password2 string\n");
+ goto cifs_parse_mount_err;
+ }
+ break;
case Opt_ip:
if (strlen(param->string) == 0) {
ctx->got_ip = false;
@@ -1608,6 +1625,8 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
cifs_parse_mount_err:
kfree_sensitive(ctx->password);
ctx->password = NULL;
+ kfree_sensitive(ctx->password2);
+ ctx->password2 = NULL;
return -EINVAL;
}
@@ -1713,6 +1732,8 @@ smb3_cleanup_fs_context_contents(struct smb3_fs_context *ctx)
ctx->username = NULL;
kfree_sensitive(ctx->password);
ctx->password = NULL;
+ kfree_sensitive(ctx->password2);
+ ctx->password2 = NULL;
kfree(ctx->server_hostname);
ctx->server_hostname = NULL;
kfree(ctx->UNC);
diff --git a/fs/smb/client/fs_context.h b/fs/smb/client/fs_context.h
index 8a35645e0b65b..a947bddeba273 100644
--- a/fs/smb/client/fs_context.h
+++ b/fs/smb/client/fs_context.h
@@ -145,6 +145,7 @@ enum cifs_param {
Opt_source,
Opt_user,
Opt_pass,
+ Opt_pass2,
Opt_ip,
Opt_domain,
Opt_srcaddr,
@@ -177,6 +178,7 @@ struct smb3_fs_context {
char *username;
char *password;
+ char *password2;
char *domainname;
char *source;
char *server_hostname;
diff --git a/fs/smb/client/misc.c b/fs/smb/client/misc.c
index 33ac4f8f5050c..7d15a1969b818 100644
--- a/fs/smb/client/misc.c
+++ b/fs/smb/client/misc.c
@@ -98,6 +98,7 @@ sesInfoFree(struct cifs_ses *buf_to_free)
kfree(buf_to_free->serverDomain);
kfree(buf_to_free->serverNOS);
kfree_sensitive(buf_to_free->password);
+ kfree_sensitive(buf_to_free->password2);
kfree(buf_to_free->user_name);
kfree(buf_to_free->domainName);
kfree_sensitive(buf_to_free->auth_key.response);
diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c
index c0c4933af5fc3..86c647a947ccd 100644
--- a/fs/smb/client/smb2pdu.c
+++ b/fs/smb/client/smb2pdu.c
@@ -367,6 +367,17 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon,
}
rc = cifs_setup_session(0, ses, server, nls_codepage);
+ if ((rc == -EACCES) || (rc == -EKEYEXPIRED) || (rc == -EKEYREVOKED)) {
+ /*
+ * Try alternate password for next reconnect (key rotation
+ * could be enabled on the server e.g.) if an alternate
+ * password is available and the current password is expired,
+ * but do not swap on non pwd related errors like host down
+ */
+ if (ses->password2)
+ swap(ses->password2, ses->password);
+ }
+
if ((rc == -EACCES) && !tcon->retry) {
mutex_unlock(&ses->session_mutex);
rc = -EHOSTDOWN;
--
GitLab
From a8fa658eebe8b17fc852482da52f8841be8931d6 Mon Sep 17 00:00:00 2001
From: Yang Li <yang.lee@linux.alibaba.com>
Date: Fri, 22 Mar 2024 14:26:04 +0800
Subject: [PATCH 2500/2686] eventfs: Fix kernel-doc comments to functions
This commit fix kernel-doc style comments with complete parameter
descriptions for the lookup_file(),lookup_dir_entry() and
lookup_file_dentry().
Link: https://lore.kernel.org/linux-trace-kernel/20240322062604.28862-1-yang.lee@linux.alibaba.com
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---
fs/tracefs/event_inode.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c
index dc067eeb63874..894c6ca1e5002 100644
--- a/fs/tracefs/event_inode.c
+++ b/fs/tracefs/event_inode.c
@@ -336,6 +336,7 @@ static void update_inode_attr(struct dentry *dentry, struct inode *inode,
/**
* lookup_file - look up a file in the tracefs filesystem
+ * @parent_ei: Pointer to the eventfs_inode that represents parent of the file
* @dentry: the dentry to look up
* @mode: the permission that the file should have.
* @attr: saved attributes changed by user
@@ -389,6 +390,7 @@ static struct dentry *lookup_file(struct eventfs_inode *parent_ei,
/**
* lookup_dir_entry - look up a dir in the tracefs filesystem
* @dentry: the directory to look up
+ * @pei: Pointer to the parent eventfs_inode if available
* @ei: the eventfs_inode that represents the directory to create
*
* This function will look up a dentry for a directory represented by
@@ -478,16 +480,20 @@ void eventfs_d_release(struct dentry *dentry)
/**
* lookup_file_dentry - create a dentry for a file of an eventfs_inode
+ * @dentry: The parent dentry under which the new file's dentry will be created
* @ei: the eventfs_inode that the file will be created under
* @idx: the index into the entry_attrs[] of the @ei
- * @parent: The parent dentry of the created file.
- * @name: The name of the file to create
* @mode: The mode of the file.
* @data: The data to use to set the inode of the file with on open()
* @fops: The fops of the file to be created.
*
- * Create a dentry for a file of an eventfs_inode @ei and place it into the
- * address located at @e_dentry.
+ * This function creates a dentry for a file associated with an
+ * eventfs_inode @ei. It uses the entry attributes specified by @idx,
+ * if available. The file will have the specified @mode and its inode will be
+ * set up with @data upon open. The file operations will be set to @fops.
+ *
+ * Return: Returns a pointer to the newly created file's dentry or an error
+ * pointer.
*/
static struct dentry *
lookup_file_dentry(struct dentry *dentry,
--
GitLab
From d96c36004e31e2baaf8ea1b449b7d0b2c2bfb41a Mon Sep 17 00:00:00 2001
From: Prasad Pandit <pjp@fedoraproject.org>
Date: Fri, 22 Mar 2024 17:48:01 +0530
Subject: [PATCH 2501/2686] tracing: Fix FTRACE_RECORD_RECURSION_SIZE Kconfig
entry
Fix FTRACE_RECORD_RECURSION_SIZE entry, replace tab with
a space character. It helps Kconfig parsers to read file
without error.
Link: https://lore.kernel.org/linux-trace-kernel/20240322121801.1803948-1-ppandit@redhat.com
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fixes: 773c16705058 ("ftrace: Add recording of functions that caused recursion")
Signed-off-by: Prasad Pandit <pjp@fedoraproject.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---
kernel/trace/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 61c541c36596d..47345bf1d4a9f 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -965,7 +965,7 @@ config FTRACE_RECORD_RECURSION
config FTRACE_RECORD_RECURSION_SIZE
int "Max number of recursed functions to record"
- default 128
+ default 128
depends on FTRACE_RECORD_RECURSION
help
This defines the limit of number of functions that can be
--
GitLab
From 5281ec83454d70d98b71f1836fb16512566c01cd Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 3 Apr 2024 10:06:24 +0200
Subject: [PATCH 2502/2686] tracing: hide unused ftrace_event_id_fops
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
When CONFIG_PERF_EVENTS, a 'make W=1' build produces a warning about the
unused ftrace_event_id_fops variable:
kernel/trace/trace_events.c:2155:37: error: 'ftrace_event_id_fops' defined but not used [-Werror=unused-const-variable=]
2155 | static const struct file_operations ftrace_event_id_fops = {
Hide this in the same #ifdef as the reference to it.
Link: https://lore.kernel.org/linux-trace-kernel/20240403080702.3509288-7-arnd@kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Zheng Yejian <zhengyejian1@huawei.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Ajay Kaher <akaher@vmware.com>
Cc: Jinjie Ruan <ruanjinjie@huawei.com>
Cc: Clément Léger <cleger@rivosinc.com>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Cc: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
Fixes: 620a30e97feb ("tracing: Don't pass file_operations array to event_create_dir()")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---
kernel/trace/trace_events.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 7c364b87352ee..52f75c36bbca4 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -1670,6 +1670,7 @@ static int trace_format_open(struct inode *inode, struct file *file)
return 0;
}
+#ifdef CONFIG_PERF_EVENTS
static ssize_t
event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos)
{
@@ -1684,6 +1685,7 @@ event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos)
return simple_read_from_buffer(ubuf, cnt, ppos, buf, len);
}
+#endif
static ssize_t
event_filter_read(struct file *filp, char __user *ubuf, size_t cnt,
@@ -2152,10 +2154,12 @@ static const struct file_operations ftrace_event_format_fops = {
.release = seq_release,
};
+#ifdef CONFIG_PERF_EVENTS
static const struct file_operations ftrace_event_id_fops = {
.read = event_id_read,
.llseek = default_llseek,
};
+#endif
static const struct file_operations ftrace_event_filter_fops = {
.open = tracing_open_file_tr,
--
GitLab
From ffe3986fece696cf65e0ef99e74c75f848be8e30 Mon Sep 17 00:00:00 2001
From: "Steven Rostedt (Google)" <rostedt@goodmis.org>
Date: Tue, 9 Apr 2024 15:13:09 -0400
Subject: [PATCH 2503/2686] ring-buffer: Only update pages_touched when a new
page is touched
The "buffer_percent" logic that is used by the ring buffer splice code to
only wake up the tasks when there's no data after the buffer is filled to
the percentage of the "buffer_percent" file is dependent on three
variables that determine the amount of data that is in the ring buffer:
1) pages_read - incremented whenever a new sub-buffer is consumed
2) pages_lost - incremented every time a writer overwrites a sub-buffer
3) pages_touched - incremented when a write goes to a new sub-buffer
The percentage is the calculation of:
(pages_touched - (pages_lost + pages_read)) / nr_pages
Basically, the amount of data is the total number of sub-bufs that have been
touched, minus the number of sub-bufs lost and sub-bufs consumed. This is
divided by the total count to give the buffer percentage. When the
percentage is greater than the value in the "buffer_percent" file, it
wakes up splice readers waiting for that amount.
It was observed that over time, the amount read from the splice was
constantly decreasing the longer the trace was running. That is, if one
asked for 60%, it would read over 60% when it first starts tracing, but
then it would be woken up at under 60% and would slowly decrease the
amount of data read after being woken up, where the amount becomes much
less than the buffer percent.
This was due to an accounting of the pages_touched incrementation. This
value is incremented whenever a writer transfers to a new sub-buffer. But
the place where it was incremented was incorrect. If a writer overflowed
the current sub-buffer it would go to the next one. If it gets preempted
by an interrupt at that time, and the interrupt performs a trace, it too
will end up going to the next sub-buffer. But only one should increment
the counter. Unfortunately, that was not the case.
Change the cmpxchg() that does the real switch of the tail-page into a
try_cmpxchg(), and on success, perform the increment of pages_touched. This
will only increment the counter once for when the writer moves to a new
sub-buffer, and not when there's a race and is incremented for when a
writer and its preempting writer both move to the same new sub-buffer.
Link: https://lore.kernel.org/linux-trace-kernel/20240409151309.0d0e5056@gandalf.local.home
Cc: stable@vger.kernel.org
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fixes: 2c2b0a78b3739 ("ring-buffer: Add percentage of ring buffer full to wake up reader")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---
kernel/trace/ring_buffer.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 25476ead681b8..6511dc3a00da8 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -1393,7 +1393,6 @@ static void rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer,
old_write = local_add_return(RB_WRITE_INTCNT, &next_page->write);
old_entries = local_add_return(RB_WRITE_INTCNT, &next_page->entries);
- local_inc(&cpu_buffer->pages_touched);
/*
* Just make sure we have seen our old_write and synchronize
* with any interrupts that come in.
@@ -1430,8 +1429,9 @@ static void rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer,
*/
local_set(&next_page->page->commit, 0);
- /* Again, either we update tail_page or an interrupt does */
- (void)cmpxchg(&cpu_buffer->tail_page, tail_page, next_page);
+ /* Either we update tail_page or an interrupt does */
+ if (try_cmpxchg(&cpu_buffer->tail_page, &tail_page, next_page))
+ local_inc(&cpu_buffer->pages_touched);
}
}
--
GitLab
From 824f06ff81464f823cd6259ff2ec8fbeceb2afa5 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@kernel.org>
Date: Thu, 11 Apr 2024 23:36:33 +0000
Subject: [PATCH 2504/2686] fs/9p: Revert "fs/9p: fix dups even in uncached
mode"
This reverts commit be57855f505003c5cafff40338d5d0f23b00ba4d.
It caused a regression involving duplicate inode numbers in
some tester trees. The bad behavior seems to be dependent on inode
reuse policy in underlying file system, so it did not trigger in my
test setup.
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
---
fs/9p/vfs_super.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 4236058c7bbd1..eeac06c2a84cf 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -244,6 +244,21 @@ static int v9fs_statfs(struct dentry *dentry, struct kstatfs *buf)
return res;
}
+static int v9fs_drop_inode(struct inode *inode)
+{
+ struct v9fs_session_info *v9ses;
+
+ v9ses = v9fs_inode2v9ses(inode);
+ if (v9ses->cache & (CACHE_META|CACHE_LOOSE))
+ return generic_drop_inode(inode);
+ /*
+ * in case of non cached mode always drop the
+ * inode because we want the inode attribute
+ * to always match that on the server.
+ */
+ return 1;
+}
+
static int v9fs_write_inode(struct inode *inode,
struct writeback_control *wbc)
{
@@ -278,6 +293,7 @@ static const struct super_operations v9fs_super_ops_dotl = {
.alloc_inode = v9fs_alloc_inode,
.free_inode = v9fs_free_inode,
.statfs = v9fs_statfs,
+ .drop_inode = v9fs_drop_inode,
.evict_inode = v9fs_evict_inode,
.show_options = v9fs_show_options,
.umount_begin = v9fs_umount_begin,
--
GitLab
From 7fd524b9bd1be210fe79035800f4bd78a41b349f Mon Sep 17 00:00:00 2001
From: Joakim Sindholt <opensource@zhasha.com>
Date: Mon, 18 Mar 2024 12:22:32 +0100
Subject: [PATCH 2505/2686] fs/9p: drop inodes immediately on non-.L too
Signed-off-by: Joakim Sindholt <opensource@zhasha.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
---
fs/9p/vfs_super.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index eeac06c2a84cf..55e67e36ae682 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -283,6 +283,7 @@ static const struct super_operations v9fs_super_ops = {
.alloc_inode = v9fs_alloc_inode,
.free_inode = v9fs_free_inode,
.statfs = simple_statfs,
+ .drop_inode = v9fs_drop_inode,
.evict_inode = v9fs_evict_inode,
.show_options = v9fs_show_options,
.umount_begin = v9fs_umount_begin,
--
GitLab
From 3b0daecfeac0103aba8b293df07a0cbaf8b43f29 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Fri, 12 Apr 2024 06:11:25 +1000
Subject: [PATCH 2506/2686] amdkfd: use calloc instead of kzalloc to avoid
integer overflow
This uses calloc instead of doing the multiplication which might
overflow.
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index f9631f4b1a02c..55aa74cbc5325 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -779,8 +779,8 @@ static int kfd_ioctl_get_process_apertures_new(struct file *filp,
* nodes, but not more than args->num_of_nodes as that is
* the amount of memory allocated by user
*/
- pa = kzalloc((sizeof(struct kfd_process_device_apertures) *
- args->num_of_nodes), GFP_KERNEL);
+ pa = kcalloc(args->num_of_nodes, sizeof(struct kfd_process_device_apertures),
+ GFP_KERNEL);
if (!pa)
return -ENOMEM;
--
GitLab
From 2b3e79fea66e166622a454715ce981432ac8c6e3 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 11 Apr 2024 01:01:11 -0400
Subject: [PATCH 2507/2686] bcachefs: Don't use
bch2_btree_node_lock_write_nofail() in btree split path
It turns out - btree splits happen with the rest of the transaction
still locked, to avoid unnecessary restarts, which means using nofail
doesn't work here - we can deadlock.
Fortunately, we now have the ability to return errors here.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_update_interior.c | 41 ++++++++++++++++++-----------
1 file changed, 26 insertions(+), 15 deletions(-)
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index c4a5e83a56a43..29a5bc7d87898 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -1280,23 +1280,29 @@ static void bch2_btree_set_root_inmem(struct bch_fs *c, struct btree *b)
bch2_recalc_btree_reserve(c);
}
-static void bch2_btree_set_root(struct btree_update *as,
- struct btree_trans *trans,
- struct btree_path *path,
- struct btree *b)
+static int bch2_btree_set_root(struct btree_update *as,
+ struct btree_trans *trans,
+ struct btree_path *path,
+ struct btree *b,
+ bool nofail)
{
struct bch_fs *c = as->c;
- struct btree *old;
trace_and_count(c, btree_node_set_root, trans, b);
- old = btree_node_root(c, b);
+ struct btree *old = btree_node_root(c, b);
/*
* Ensure no one is using the old root while we switch to the
* new root:
*/
- bch2_btree_node_lock_write_nofail(trans, path, &old->c);
+ if (nofail) {
+ bch2_btree_node_lock_write_nofail(trans, path, &old->c);
+ } else {
+ int ret = bch2_btree_node_lock_write(trans, path, &old->c);
+ if (ret)
+ return ret;
+ }
bch2_btree_set_root_inmem(c, b);
@@ -1310,6 +1316,7 @@ static void bch2_btree_set_root(struct btree_update *as,
* depend on the new root would have to update the new root.
*/
bch2_btree_node_unlock_write(trans, path, old);
+ return 0;
}
/* Interior node updates: */
@@ -1652,15 +1659,16 @@ static int btree_split(struct btree_update *as, struct btree_trans *trans,
if (parent) {
/* Split a non root node */
ret = bch2_btree_insert_node(as, trans, path, parent, &as->parent_keys);
- if (ret)
- goto err;
} else if (n3) {
- bch2_btree_set_root(as, trans, trans->paths + path, n3);
+ ret = bch2_btree_set_root(as, trans, trans->paths + path, n3, false);
} else {
/* Root filled up but didn't need to be split */
- bch2_btree_set_root(as, trans, trans->paths + path, n1);
+ ret = bch2_btree_set_root(as, trans, trans->paths + path, n1, false);
}
+ if (ret)
+ goto err;
+
if (n3) {
bch2_btree_update_get_open_buckets(as, n3);
bch2_btree_node_write(c, n3, SIX_LOCK_intent, 0);
@@ -1863,7 +1871,9 @@ static void __btree_increase_depth(struct btree_update *as, struct btree_trans *
bch2_keylist_add(&as->parent_keys, &b->key);
btree_split_insert_keys(as, trans, path_idx, n, &as->parent_keys);
- bch2_btree_set_root(as, trans, path, n);
+ int ret = bch2_btree_set_root(as, trans, path, n, true);
+ BUG_ON(ret);
+
bch2_btree_update_get_open_buckets(as, n);
bch2_btree_node_write(c, n, SIX_LOCK_intent, 0);
bch2_trans_node_add(trans, path, n);
@@ -2106,12 +2116,13 @@ int bch2_btree_node_rewrite(struct btree_trans *trans,
if (parent) {
bch2_keylist_add(&as->parent_keys, &n->key);
ret = bch2_btree_insert_node(as, trans, iter->path, parent, &as->parent_keys);
- if (ret)
- goto err;
} else {
- bch2_btree_set_root(as, trans, btree_iter_path(trans, iter), n);
+ ret = bch2_btree_set_root(as, trans, btree_iter_path(trans, iter), n, false);
}
+ if (ret)
+ goto err;
+
bch2_btree_update_get_open_buckets(as, n);
bch2_btree_node_write(c, n, SIX_LOCK_intent, 0);
--
GitLab
From 210cfef579260ed6c3b700e7baeae51a5e183f43 Mon Sep 17 00:00:00 2001
From: Nathan Lynch <nathanl@linux.ibm.com>
Date: Thu, 4 Apr 2024 17:02:09 -0500
Subject: [PATCH 2508/2686] selftests/powerpc/papr-vpd: Fix missing variable
initialization
The "close handle without consuming VPD" testcase has inconsistent
results because it fails to initialize the location code object it
passes to ioctl() to create a VPD handle. Initialize the location code
to the empty string as intended.
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Fixes: 9118c5d32bdd ("powerpc/selftests: Add test for papr-vpd")
Reported-by: Geetika Moolchandani <geetika@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240404-papr-vpd-test-uninit-lc-v2-1-37bff46c65a5@linux.ibm.com
---
tools/testing/selftests/powerpc/papr_vpd/papr_vpd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/powerpc/papr_vpd/papr_vpd.c b/tools/testing/selftests/powerpc/papr_vpd/papr_vpd.c
index 505294da1b9fb..d6f99eb9be659 100644
--- a/tools/testing/selftests/powerpc/papr_vpd/papr_vpd.c
+++ b/tools/testing/selftests/powerpc/papr_vpd/papr_vpd.c
@@ -154,7 +154,7 @@ static int dev_papr_vpd_null_handle(void)
static int papr_vpd_close_handle_without_reading(void)
{
const int devfd = open(DEVPATH, O_RDONLY);
- struct papr_location_code lc;
+ struct papr_location_code lc = { .str = "", };
int fd;
SKIP_IF_MSG(devfd < 0 && errno == ENOENT,
--
GitLab
From 84b1cec4fac5889b6d138d4b5ff6f2d5ef126c5e Mon Sep 17 00:00:00 2001
From: Vasant Hegde <vasant.hegde@amd.com>
Date: Thu, 4 Apr 2024 10:27:17 +0000
Subject: [PATCH 2509/2686] iommu/amd: Fix possible irq lock inversion
dependency issue
LOCKDEP detector reported below warning:
----------------------------------------
[ 23.796949] ========================================================
[ 23.796950] WARNING: possible irq lock inversion dependency detected
[ 23.796952] 6.8.0fix+ #811 Not tainted
[ 23.796954] --------------------------------------------------------
[ 23.796954] kworker/0:1/8 just changed the state of lock:
[ 23.796956] ff365325e084a9b8 (&domain->lock){..-.}-{3:3}, at: amd_iommu_flush_iotlb_all+0x1f/0x50
[ 23.796969] but this lock took another, SOFTIRQ-unsafe lock in the past:
[ 23.796970] (pd_bitmap_lock){+.+.}-{3:3}
[ 23.796972]
and interrupts could create inverse lock ordering between them.
[ 23.796973]
other info that might help us debug this:
[ 23.796974] Chain exists of:
&domain->lock --> &dev_data->lock --> pd_bitmap_lock
[ 23.796980] Possible interrupt unsafe locking scenario:
[ 23.796981] CPU0 CPU1
[ 23.796982] ---- ----
[ 23.796983] lock(pd_bitmap_lock);
[ 23.796985] local_irq_disable();
[ 23.796985] lock(&domain->lock);
[ 23.796988] lock(&dev_data->lock);
[ 23.796990] <Interrupt>
[ 23.796991] lock(&domain->lock);
Fix this issue by disabling interrupt when acquiring pd_bitmap_lock.
Note that this is temporary fix. We have a plan to replace custom bitmap
allocator with IDA allocator.
Fixes: 87a6f1f22c97 ("iommu/amd: Introduce per-device domain ID to fix potential TLB aliasing issue")
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20240404102717.6705-1-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/amd/iommu.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index d35c1b8c8e65c..e692217fcb280 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -1692,26 +1692,29 @@ int amd_iommu_complete_ppr(struct pci_dev *pdev, u32 pasid,
static u16 domain_id_alloc(void)
{
+ unsigned long flags;
int id;
- spin_lock(&pd_bitmap_lock);
+ spin_lock_irqsave(&pd_bitmap_lock, flags);
id = find_first_zero_bit(amd_iommu_pd_alloc_bitmap, MAX_DOMAIN_ID);
BUG_ON(id == 0);
if (id > 0 && id < MAX_DOMAIN_ID)
__set_bit(id, amd_iommu_pd_alloc_bitmap);
else
id = 0;
- spin_unlock(&pd_bitmap_lock);
+ spin_unlock_irqrestore(&pd_bitmap_lock, flags);
return id;
}
static void domain_id_free(int id)
{
- spin_lock(&pd_bitmap_lock);
+ unsigned long flags;
+
+ spin_lock_irqsave(&pd_bitmap_lock, flags);
if (id > 0 && id < MAX_DOMAIN_ID)
__clear_bit(id, amd_iommu_pd_alloc_bitmap);
- spin_unlock(&pd_bitmap_lock);
+ spin_unlock_irqrestore(&pd_bitmap_lock, flags);
}
static void free_gcr3_tbl_level1(u64 *tbl)
--
GitLab
From b650b38b006053ef96e90b8e3f7e6edc7845cd57 Mon Sep 17 00:00:00 2001
From: Vasant Hegde <vasant.hegde@amd.com>
Date: Wed, 10 Apr 2024 08:57:02 +0000
Subject: [PATCH 2510/2686] iommu/amd: Do not enable SNP when V2 page table is
enabled
DTE[Mode]=0 is not supported when SNP is enabled in the host. That means
to support SNP, IOMMU must be configured with V1 page table (See IOMMU
spec [1] for the details). If user passes kernel command line to configure
IOMMU domains with v2 page table (amd_iommu=pgtbl_v2) then disable SNP
as the user asked by not forcing the page table to v1.
[1] https://www.amd.com/content/dam/amd/en/documents/processor-tech-docs/specifications/48882_IOMMU.pdf
Cc: Ashish Kalra <ashish.kalra@amd.com>
Cc: Michael Roth <michael.roth@amd.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240410085702.31869-1-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/amd/init.c | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index 33228c1c8980f..a714eb08c08b5 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -3232,28 +3232,29 @@ static void iommu_snp_enable(void)
return;
/*
* The SNP support requires that IOMMU must be enabled, and is
- * not configured in the passthrough mode.
+ * configured with V1 page table (DTE[Mode] = 0 is not supported).
*/
if (no_iommu || iommu_default_passthrough()) {
pr_err("SNP: IOMMU disabled or configured in passthrough mode, SNP cannot be supported.\n");
- cc_platform_clear(CC_ATTR_HOST_SEV_SNP);
- return;
+ goto disable_snp;
+ }
+
+ if (amd_iommu_pgtable != AMD_IOMMU_V1) {
+ pr_warn("SNP: IOMMU is configured with V2 page table mode, SNP cannot be supported.\n");
+ goto disable_snp;
}
amd_iommu_snp_en = check_feature(FEATURE_SNP);
if (!amd_iommu_snp_en) {
pr_err("SNP: IOMMU SNP feature not enabled, SNP cannot be supported.\n");
- cc_platform_clear(CC_ATTR_HOST_SEV_SNP);
- return;
+ goto disable_snp;
}
pr_info("IOMMU SNP support enabled.\n");
+ return;
- /* Enforce IOMMU v1 pagetable when SNP is enabled. */
- if (amd_iommu_pgtable != AMD_IOMMU_V1) {
- pr_warn("Forcing use of AMD IOMMU v1 page table due to SNP.\n");
- amd_iommu_pgtable = AMD_IOMMU_V1;
- }
+disable_snp:
+ cc_platform_clear(CC_ATTR_HOST_SEV_SNP);
#endif
}
--
GitLab
From 7537e31df80cb58c27f3b6fef702534ea87a5957 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzk@kernel.org>
Date: Wed, 10 Apr 2024 18:41:09 +0200
Subject: [PATCH 2511/2686] iommu: mtk: fix module autoloading
Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded
based on the alias from of_device_id table.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240410164109.233308-1-krzk@kernel.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/mtk_iommu.c | 1 +
drivers/iommu/mtk_iommu_v1.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index b8c47f18bc261..6a2707fe7a78c 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1790,6 +1790,7 @@ static const struct of_device_id mtk_iommu_of_ids[] = {
{ .compatible = "mediatek,mt8365-m4u", .data = &mt8365_data},
{}
};
+MODULE_DEVICE_TABLE(of, mtk_iommu_of_ids);
static struct platform_driver mtk_iommu_driver = {
.probe = mtk_iommu_probe,
diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c
index a9fa2a54dc9b3..d6e4002200bd3 100644
--- a/drivers/iommu/mtk_iommu_v1.c
+++ b/drivers/iommu/mtk_iommu_v1.c
@@ -600,6 +600,7 @@ static const struct of_device_id mtk_iommu_v1_of_ids[] = {
{ .compatible = "mediatek,mt2701-m4u", },
{}
};
+MODULE_DEVICE_TABLE(of, mtk_iommu_v1_of_ids);
static const struct component_master_ops mtk_iommu_v1_com_ops = {
.bind = mtk_iommu_v1_bind,
--
GitLab
From 36d4fe147c870f6d3f6602befd7ef44393a1c87a Mon Sep 17 00:00:00 2001
From: Josh Poimboeuf <jpoimboe@kernel.org>
Date: Wed, 10 Apr 2024 22:40:50 -0700
Subject: [PATCH 2512/2686] x86/bugs: Remove CONFIG_BHI_MITIGATION_AUTO and
spectre_bhi=auto
Unlike most other mitigations' "auto" options, spectre_bhi=auto only
mitigates newer systems, which is confusing and not particularly useful.
Remove it.
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/412e9dc87971b622bbbaf64740ebc1f140bff343.1712813475.git.jpoimboe@kernel.org
---
Documentation/admin-guide/hw-vuln/spectre.rst | 4 ----
Documentation/admin-guide/kernel-parameters.txt | 3 ---
arch/x86/Kconfig | 5 -----
arch/x86/kernel/cpu/bugs.c | 10 +---------
4 files changed, 1 insertion(+), 21 deletions(-)
diff --git a/Documentation/admin-guide/hw-vuln/spectre.rst b/Documentation/admin-guide/hw-vuln/spectre.rst
index 5a39acf824835..25a04cda4c2c0 100644
--- a/Documentation/admin-guide/hw-vuln/spectre.rst
+++ b/Documentation/admin-guide/hw-vuln/spectre.rst
@@ -669,10 +669,6 @@ kernel command line.
needed.
off
Disable the mitigation.
- auto
- Enable the HW mitigation if needed, but
- *don't* enable the SW mitigation except for KVM.
- The system may be vulnerable.
For spectre_v2_user see Documentation/admin-guide/kernel-parameters.txt
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index a3874cc97892d..902ecd92a29fb 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6072,9 +6072,6 @@
on - (default) Enable the HW or SW mitigation
as needed.
off - Disable the mitigation.
- auto - Enable the HW mitigation if needed, but
- *don't* enable the SW mitigation except
- for KVM. The system may be vulnerable.
spectre_v2= [X86,EARLY] Control mitigation of Spectre variant 2
(indirect branch speculation) vulnerability.
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 10a6251f58f3e..b63b6767a63dc 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2651,11 +2651,6 @@ config SPECTRE_BHI_OFF
bool "off"
help
Equivalent to setting spectre_bhi=off command line parameter.
-config SPECTRE_BHI_AUTO
- bool "auto"
- depends on BROKEN
- help
- Equivalent to setting spectre_bhi=auto command line parameter.
endchoice
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 9eeb60f5fbb35..6af4780a18ed3 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -1625,13 +1625,10 @@ static bool __init spec_ctrl_bhi_dis(void)
enum bhi_mitigations {
BHI_MITIGATION_OFF,
BHI_MITIGATION_ON,
- BHI_MITIGATION_AUTO,
};
static enum bhi_mitigations bhi_mitigation __ro_after_init =
- IS_ENABLED(CONFIG_SPECTRE_BHI_ON) ? BHI_MITIGATION_ON :
- IS_ENABLED(CONFIG_SPECTRE_BHI_OFF) ? BHI_MITIGATION_OFF :
- BHI_MITIGATION_AUTO;
+ IS_ENABLED(CONFIG_SPECTRE_BHI_ON) ? BHI_MITIGATION_ON : BHI_MITIGATION_OFF;
static int __init spectre_bhi_parse_cmdline(char *str)
{
@@ -1642,8 +1639,6 @@ static int __init spectre_bhi_parse_cmdline(char *str)
bhi_mitigation = BHI_MITIGATION_OFF;
else if (!strcmp(str, "on"))
bhi_mitigation = BHI_MITIGATION_ON;
- else if (!strcmp(str, "auto"))
- bhi_mitigation = BHI_MITIGATION_AUTO;
else
pr_err("Ignoring unknown spectre_bhi option (%s)", str);
@@ -1673,9 +1668,6 @@ static void __init bhi_select_mitigation(void)
setup_force_cpu_cap(X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT);
pr_info("Spectre BHI mitigation: SW BHB clearing on vm exit\n");
- if (bhi_mitigation == BHI_MITIGATION_AUTO)
- return;
-
/* Mitigate syscalls when the mitigation is forced =on */
setup_force_cpu_cap(X86_FEATURE_CLEAR_BHB_LOOP);
pr_info("Spectre BHI mitigation: SW BHB clearing on syscall\n");
--
GitLab
From 4f511739c54b549061993b53fc0380f48dfca23b Mon Sep 17 00:00:00 2001
From: Josh Poimboeuf <jpoimboe@kernel.org>
Date: Wed, 10 Apr 2024 22:40:51 -0700
Subject: [PATCH 2513/2686] x86/bugs: Replace CONFIG_SPECTRE_BHI_{ON,OFF} with
CONFIG_MITIGATION_SPECTRE_BHI
For consistency with the other CONFIG_MITIGATION_* options, replace the
CONFIG_SPECTRE_BHI_{ON,OFF} options with a single
CONFIG_MITIGATION_SPECTRE_BHI option.
[ mingo: Fix ]
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nikolay Borisov <nik.borisov@suse.com>
Link: https://lore.kernel.org/r/3833812ea63e7fdbe36bf8b932e63f70d18e2a2a.1712813475.git.jpoimboe@kernel.org
---
arch/x86/Kconfig | 17 +++--------------
arch/x86/kernel/cpu/bugs.c | 2 +-
2 files changed, 4 insertions(+), 15 deletions(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index b63b6767a63dc..4474bf32d0a49 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2633,27 +2633,16 @@ config MITIGATION_RFDS
stored in floating point, vector and integer registers.
See also <file:Documentation/admin-guide/hw-vuln/reg-file-data-sampling.rst>
-choice
- prompt "Clear branch history"
+config MITIGATION_SPECTRE_BHI
+ bool "Mitigate Spectre-BHB (Branch History Injection)"
depends on CPU_SUP_INTEL
- default SPECTRE_BHI_ON
+ default y
help
Enable BHI mitigations. BHI attacks are a form of Spectre V2 attacks
where the branch history buffer is poisoned to speculatively steer
indirect branches.
See <file:Documentation/admin-guide/hw-vuln/spectre.rst>
-config SPECTRE_BHI_ON
- bool "on"
- help
- Equivalent to setting spectre_bhi=on command line parameter.
-config SPECTRE_BHI_OFF
- bool "off"
- help
- Equivalent to setting spectre_bhi=off command line parameter.
-
-endchoice
-
endif
config ARCH_HAS_ADD_PAGES
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 6af4780a18ed3..ca295b0c1eeee 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -1628,7 +1628,7 @@ enum bhi_mitigations {
};
static enum bhi_mitigations bhi_mitigation __ro_after_init =
- IS_ENABLED(CONFIG_SPECTRE_BHI_ON) ? BHI_MITIGATION_ON : BHI_MITIGATION_OFF;
+ IS_ENABLED(CONFIG_MITIGATION_SPECTRE_BHI) ? BHI_MITIGATION_ON : BHI_MITIGATION_OFF;
static int __init spectre_bhi_parse_cmdline(char *str)
{
--
GitLab
From 1b3108f6898ef2e03973d65255182792e94e2240 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 10 Apr 2024 21:45:27 +0200
Subject: [PATCH 2514/2686] x86/cpu/amd: Make the CPUID 0x80000008 parser
correct
CPUID 0x80000008 ECX.cpu_nthreads describes the number of threads in the
package. The parser uses this value to initialize the SMT domain level.
That's wrong because cpu_nthreads does not describe the number of threads
per physical core. So this needs to set the CORE domain level and let the
later parsers set the SMT shift if available.
Preset the SMT domain level with the assumption of one thread per core,
which is correct ifrt here are no other CPUID leafs to parse, and propagate
cpu_nthreads and the core level APIC bitwidth into the CORE domain.
Fixes: f7fb3b2dd92c ("x86/cpu: Provide an AMD/HYGON specific topology parser")
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Reported-by: Laura Nao <laura.nao@collabora.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Laura Nao <laura.nao@collabora.com>
Link: https://lore.kernel.org/r/20240410194311.535206450@linutronix.de
---
arch/x86/kernel/cpu/topology_amd.c | 24 ++++++++++++++++++------
1 file changed, 18 insertions(+), 6 deletions(-)
diff --git a/arch/x86/kernel/cpu/topology_amd.c b/arch/x86/kernel/cpu/topology_amd.c
index 1a8b3ad493afe..79a85a4814ca1 100644
--- a/arch/x86/kernel/cpu/topology_amd.c
+++ b/arch/x86/kernel/cpu/topology_amd.c
@@ -29,11 +29,21 @@ static bool parse_8000_0008(struct topo_scan *tscan)
if (!sft)
sft = get_count_order(ecx.cpu_nthreads + 1);
- topology_set_dom(tscan, TOPO_SMT_DOMAIN, sft, ecx.cpu_nthreads + 1);
+ /*
+ * cpu_nthreads describes the number of threads in the package
+ * sft is the number of APIC ID bits per package
+ *
+ * As the number of actual threads per core is not described in
+ * this leaf, just set the CORE domain shift and let the later
+ * parsers set SMT shift. Assume one thread per core by default
+ * which is correct if there are no other CPUID leafs to parse.
+ */
+ topology_update_dom(tscan, TOPO_SMT_DOMAIN, 0, 1);
+ topology_set_dom(tscan, TOPO_CORE_DOMAIN, sft, ecx.cpu_nthreads + 1);
return true;
}
-static void store_node(struct topo_scan *tscan, unsigned int nr_nodes, u16 node_id)
+static void store_node(struct topo_scan *tscan, u16 nr_nodes, u16 node_id)
{
/*
* Starting with Fam 17h the DIE domain could probably be used to
@@ -73,12 +83,14 @@ static bool parse_8000_001e(struct topo_scan *tscan, bool has_0xb)
tscan->c->topo.initial_apicid = leaf.ext_apic_id;
/*
- * If leaf 0xb is available, then SMT shift is set already. If not
- * take it from ecx.threads_per_core and use topo_update_dom() -
- * topology_set_dom() would propagate and overwrite the already
- * propagated CORE level.
+ * If leaf 0xb is available, then the domain shifts are set
+ * already and nothing to do here.
*/
if (!has_0xb) {
+ /*
+ * Leaf 0x80000008 set the CORE domain shift already.
+ * Update the SMT domain, but do not propagate it.
+ */
unsigned int nthreads = leaf.core_nthreads + 1;
topology_update_dom(tscan, TOPO_SMT_DOMAIN, get_count_order(nthreads), nthreads);
--
GitLab
From c064b536a8f9ab7c8e204da8f5a22f7420d0b56c Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 10 Apr 2024 21:45:28 +0200
Subject: [PATCH 2515/2686] x86/cpu/amd: Make the NODEID_MSR union actually
work
A system with NODEID_MSR was reported to crash during early boot without
any output.
The reason is that the union which is used for accessing the bitfields in
the MSR is written wrongly and the resulting executable code accesses the
wrong part of the MSR data.
As a consequence a later division by that value results in 0 and that
result is used for another division as divisor, which obviously does not
work well.
The magic world of C, unions and bitfields:
union {
u64 bita : 3,
bitb : 3;
u64 all;
} x;
x.all = foo();
a = x.bita;
b = x.bitb;
results in the effective executable code of:
a = b = x.bita;
because bita and bitb are treated as union members and therefore both end
up at bit offset 0.
Wrapping the bitfield into an anonymous struct:
union {
struct {
u64 bita : 3,
bitb : 3;
};
u64 all;
} x;
works like expected.
Rework the NODEID_MSR union in exactly that way to cure the problem.
Fixes: f7fb3b2dd92c ("x86/cpu: Provide an AMD/HYGON specific topology parser")
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Reported-by: Laura Nao <laura.nao@collabora.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Laura Nao <laura.nao@collabora.com>
Link: https://lore.kernel.org/r/20240410194311.596282919@linutronix.de
Closes: https://lore.kernel.org/all/20240322175210.124416-1-laura.nao@collabora.com/
---
arch/x86/kernel/cpu/topology_amd.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/cpu/topology_amd.c b/arch/x86/kernel/cpu/topology_amd.c
index 79a85a4814ca1..7f999aef19659 100644
--- a/arch/x86/kernel/cpu/topology_amd.c
+++ b/arch/x86/kernel/cpu/topology_amd.c
@@ -121,13 +121,13 @@ static bool parse_8000_001e(struct topo_scan *tscan, bool has_0xb)
static bool parse_fam10h_node_id(struct topo_scan *tscan)
{
- struct {
- union {
+ union {
+ struct {
u64 node_id : 3,
nodes_per_pkg : 3,
unused : 58;
- u64 msr;
};
+ u64 msr;
} nid;
if (!boot_cpu_has(X86_FEATURE_NODEID_MSR))
--
GitLab
From 7211274fe0ee352332255e41ab5e628b86e83994 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 11 Apr 2024 18:55:38 +0200
Subject: [PATCH 2516/2686] x86/cpu/amd: Move TOPOEXT enablement into the
topology parser
The topology rework missed that early_init_amd() tries to re-enable the
Topology Extensions when the BIOS disabled them.
The new parser is invoked before early_init_amd() so the re-enable attempt
happens too late.
Move it into the AMD specific topology parser code where it belongs.
Fixes: f7fb3b2dd92c ("x86/cpu: Provide an AMD/HYGON specific topology parser")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/878r1j260l.ffs@tglx
---
arch/x86/kernel/cpu/amd.c | 15 ---------------
arch/x86/kernel/cpu/topology_amd.c | 21 +++++++++++++++++++++
2 files changed, 21 insertions(+), 15 deletions(-)
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 9bf17c9c29dad..cb9eece55904d 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -535,7 +535,6 @@ static void early_detect_mem_encrypt(struct cpuinfo_x86 *c)
static void early_init_amd(struct cpuinfo_x86 *c)
{
- u64 value;
u32 dummy;
if (c->x86 >= 0xf)
@@ -603,20 +602,6 @@ static void early_init_amd(struct cpuinfo_x86 *c)
early_detect_mem_encrypt(c);
- /* Re-enable TopologyExtensions if switched off by BIOS */
- if (c->x86 == 0x15 &&
- (c->x86_model >= 0x10 && c->x86_model <= 0x6f) &&
- !cpu_has(c, X86_FEATURE_TOPOEXT)) {
-
- if (msr_set_bit(0xc0011005, 54) > 0) {
- rdmsrl(0xc0011005, value);
- if (value & BIT_64(54)) {
- set_cpu_cap(c, X86_FEATURE_TOPOEXT);
- pr_info_once(FW_INFO "CPU: Re-enabling disabled Topology Extensions Support.\n");
- }
- }
- }
-
if (!cpu_has(c, X86_FEATURE_HYPERVISOR) && !cpu_has(c, X86_FEATURE_IBPB_BRTYPE)) {
if (c->x86 == 0x17 && boot_cpu_has(X86_FEATURE_AMD_IBPB))
setup_force_cpu_cap(X86_FEATURE_IBPB_BRTYPE);
diff --git a/arch/x86/kernel/cpu/topology_amd.c b/arch/x86/kernel/cpu/topology_amd.c
index 7f999aef19659..a7aa6eff4ae5b 100644
--- a/arch/x86/kernel/cpu/topology_amd.c
+++ b/arch/x86/kernel/cpu/topology_amd.c
@@ -147,6 +147,26 @@ static void legacy_set_llc(struct topo_scan *tscan)
tscan->c->topo.llc_id = apicid >> tscan->dom_shifts[TOPO_CORE_DOMAIN];
}
+static void topoext_fixup(struct topo_scan *tscan)
+{
+ struct cpuinfo_x86 *c = tscan->c;
+ u64 msrval;
+
+ /* Try to re-enable TopologyExtensions if switched off by BIOS */
+ if (cpu_has(c, X86_FEATURE_TOPOEXT) || c->x86_vendor != X86_VENDOR_AMD ||
+ c->x86 != 0x15 || c->x86_model < 0x10 || c->x86_model > 0x6f)
+ return;
+
+ if (msr_set_bit(0xc0011005, 54) <= 0)
+ return;
+
+ rdmsrl(0xc0011005, msrval);
+ if (msrval & BIT_64(54)) {
+ set_cpu_cap(c, X86_FEATURE_TOPOEXT);
+ pr_info_once(FW_INFO "CPU: Re-enabling disabled Topology Extensions Support.\n");
+ }
+}
+
static void parse_topology_amd(struct topo_scan *tscan)
{
bool has_0xb = false;
@@ -176,6 +196,7 @@ static void parse_topology_amd(struct topo_scan *tscan)
void cpu_parse_topology_amd(struct topo_scan *tscan)
{
tscan->amd_nodes_per_pkg = 1;
+ topoext_fixup(tscan);
parse_topology_amd(tscan);
if (tscan->amd_nodes_per_pkg > 1)
--
GitLab
From 5b3625a4f6422e8982f90f0c11b5546149c962b8 Mon Sep 17 00:00:00 2001
From: Xuchun Shang <xuchun.shang@linux.alibaba.com>
Date: Thu, 11 Apr 2024 11:07:42 +0800
Subject: [PATCH 2517/2686] iommu/vt-d: Fix wrong use of pasid config
The commit "iommu/vt-d: Add IOMMU perfmon support" introduce IOMMU
PMU feature, but use the wrong config when set pasid filter.
Fixes: 7232ab8b89e9 ("iommu/vt-d: Add IOMMU perfmon support")
Signed-off-by: Xuchun Shang <xuchun.shang@linux.alibaba.com>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Link: https://lore.kernel.org/r/20240401060753.3321318-1-xuchun.shang@linux.alibaba.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/intel/perfmon.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/intel/perfmon.c b/drivers/iommu/intel/perfmon.c
index cf43e798eca49..44083d01852db 100644
--- a/drivers/iommu/intel/perfmon.c
+++ b/drivers/iommu/intel/perfmon.c
@@ -438,7 +438,7 @@ static int iommu_pmu_assign_event(struct iommu_pmu *iommu_pmu,
iommu_pmu_set_filter(domain, event->attr.config1,
IOMMU_PMU_FILTER_DOMAIN, idx,
event->attr.config1);
- iommu_pmu_set_filter(pasid, event->attr.config1,
+ iommu_pmu_set_filter(pasid, event->attr.config2,
IOMMU_PMU_FILTER_PASID, idx,
event->attr.config1);
iommu_pmu_set_filter(ats, event->attr.config2,
--
GitLab
From a34f3e20ddff02c4f12df2c0635367394e64c63d Mon Sep 17 00:00:00 2001
From: Jacob Pan <jacob.jun.pan@linux.intel.com>
Date: Thu, 11 Apr 2024 11:07:43 +0800
Subject: [PATCH 2518/2686] iommu/vt-d: Allocate local memory for page request
queue
The page request queue is per IOMMU, its allocation should be made
NUMA-aware for performance reasons.
Fixes: a222a7f0bb6c ("iommu/vt-d: Implement page request handling")
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20240403214007.985600-1-jacob.jun.pan@linux.intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/intel/svm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
index c1bed89b10261..ee3b469e2da15 100644
--- a/drivers/iommu/intel/svm.c
+++ b/drivers/iommu/intel/svm.c
@@ -66,7 +66,7 @@ int intel_svm_enable_prq(struct intel_iommu *iommu)
struct page *pages;
int irq, ret;
- pages = alloc_pages(GFP_KERNEL | __GFP_ZERO, PRQ_ORDER);
+ pages = alloc_pages_node(iommu->node, GFP_KERNEL | __GFP_ZERO, PRQ_ORDER);
if (!pages) {
pr_warn("IOMMU: %s: Failed to allocate page request queue\n",
iommu->name);
--
GitLab
From 89436f4f54125b1297aec1f466efd8acb4ec613d Mon Sep 17 00:00:00 2001
From: Lu Baolu <baolu.lu@linux.intel.com>
Date: Thu, 11 Apr 2024 11:07:44 +0800
Subject: [PATCH 2519/2686] iommu/vt-d: Fix WARN_ON in iommu probe path
Commit 1a75cc710b95 ("iommu/vt-d: Use rbtree to track iommu probed
devices") adds all devices probed by the iommu driver in a rbtree
indexed by the source ID of each device. It assumes that each device
has a unique source ID. This assumption is incorrect and the VT-d
spec doesn't state this requirement either.
The reason for using a rbtree to track devices is to look up the device
with PCI bus and devfunc in the paths of handling ATS invalidation time
out error and the PRI I/O page faults. Both are PCI ATS feature related.
Only track the devices that have PCI ATS capabilities in the rbtree to
avoid unnecessary WARN_ON in the iommu probe path. Otherwise, on some
platforms below kernel splat will be displayed and the iommu probe results
in failure.
WARNING: CPU: 3 PID: 166 at drivers/iommu/intel/iommu.c:158 intel_iommu_probe_device+0x319/0xd90
Call Trace:
<TASK>
? __warn+0x7e/0x180
? intel_iommu_probe_device+0x319/0xd90
? report_bug+0x1f8/0x200
? handle_bug+0x3c/0x70
? exc_invalid_op+0x18/0x70
? asm_exc_invalid_op+0x1a/0x20
? intel_iommu_probe_device+0x319/0xd90
? debug_mutex_init+0x37/0x50
__iommu_probe_device+0xf2/0x4f0
iommu_probe_device+0x22/0x70
iommu_bus_notifier+0x1e/0x40
notifier_call_chain+0x46/0x150
blocking_notifier_call_chain+0x42/0x60
bus_notify+0x2f/0x50
device_add+0x5ed/0x7e0
platform_device_add+0xf5/0x240
mfd_add_devices+0x3f9/0x500
? preempt_count_add+0x4c/0xa0
? up_write+0xa2/0x1b0
? __debugfs_create_file+0xe3/0x150
intel_lpss_probe+0x49f/0x5b0
? pci_conf1_write+0xa3/0xf0
intel_lpss_pci_probe+0xcf/0x110 [intel_lpss_pci]
pci_device_probe+0x95/0x120
really_probe+0xd9/0x370
? __pfx___driver_attach+0x10/0x10
__driver_probe_device+0x73/0x150
driver_probe_device+0x19/0xa0
__driver_attach+0xb6/0x180
? __pfx___driver_attach+0x10/0x10
bus_for_each_dev+0x77/0xd0
bus_add_driver+0x114/0x210
driver_register+0x5b/0x110
? __pfx_intel_lpss_pci_driver_init+0x10/0x10 [intel_lpss_pci]
do_one_initcall+0x57/0x2b0
? kmalloc_trace+0x21e/0x280
? do_init_module+0x1e/0x210
do_init_module+0x5f/0x210
load_module+0x1d37/0x1fc0
? init_module_from_file+0x86/0xd0
init_module_from_file+0x86/0xd0
idempotent_init_module+0x17c/0x230
__x64_sys_finit_module+0x56/0xb0
do_syscall_64+0x6e/0x140
entry_SYSCALL_64_after_hwframe+0x71/0x79
Fixes: 1a75cc710b95 ("iommu/vt-d: Use rbtree to track iommu probed devices")
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10689
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20240407011429.136282-1-baolu.lu@linux.intel.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/intel/iommu.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 50eb9aed47cc5..a7ecd90303dc4 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -4299,9 +4299,11 @@ static struct iommu_device *intel_iommu_probe_device(struct device *dev)
}
dev_iommu_priv_set(dev, info);
- ret = device_rbtree_insert(iommu, info);
- if (ret)
- goto free;
+ if (pdev && pci_ats_supported(pdev)) {
+ ret = device_rbtree_insert(iommu, info);
+ if (ret)
+ goto free;
+ }
if (sm_supported(iommu) && !dev_is_real_dma_subdevice(dev)) {
ret = intel_pasid_alloc_table(dev);
@@ -4336,7 +4338,8 @@ static void intel_iommu_release_device(struct device *dev)
struct intel_iommu *iommu = info->iommu;
mutex_lock(&iommu->iopf_lock);
- device_rbtree_remove(info);
+ if (dev_is_pci(dev) && pci_ats_supported(to_pci_dev(dev)))
+ device_rbtree_remove(info);
mutex_unlock(&iommu->iopf_lock);
if (sm_supported(iommu) && !dev_is_real_dma_subdevice(dev) &&
--
GitLab
From b8246a2ad80a810cafbeddb30525278f9d64bca3 Mon Sep 17 00:00:00 2001
From: Vasant Hegde <vasant.hegde@amd.com>
Date: Wed, 10 Apr 2024 10:16:43 +0000
Subject: [PATCH 2520/2686] iommu/amd: Change log message severity
Use consistent log severity (pr_warn) to log all messages in SNP
enable path.
Suggested-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20240410101643.32309-1-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/amd/init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index a714eb08c08b5..ac6754a85f350 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -3235,7 +3235,7 @@ static void iommu_snp_enable(void)
* configured with V1 page table (DTE[Mode] = 0 is not supported).
*/
if (no_iommu || iommu_default_passthrough()) {
- pr_err("SNP: IOMMU disabled or configured in passthrough mode, SNP cannot be supported.\n");
+ pr_warn("SNP: IOMMU disabled or configured in passthrough mode, SNP cannot be supported.\n");
goto disable_snp;
}
@@ -3246,7 +3246,7 @@ static void iommu_snp_enable(void)
amd_iommu_snp_en = check_feature(FEATURE_SNP);
if (!amd_iommu_snp_en) {
- pr_err("SNP: IOMMU SNP feature not enabled, SNP cannot be supported.\n");
+ pr_warn("SNP: IOMMU SNP feature not enabled, SNP cannot be supported.\n");
goto disable_snp;
}
--
GitLab
From e4a6bceac98eba3c00e874892736b34ea5fdaca3 Mon Sep 17 00:00:00 2001
From: John Stultz <jstultz@google.com>
Date: Wed, 10 Apr 2024 16:26:28 -0700
Subject: [PATCH 2521/2686] selftests: timers: Fix posix_timers
ksft_print_msg() warning
After commit 6d029c25b71f ("selftests/timers/posix_timers: Reimplement
check_timer_distribution()") the following warning occurs when building
with an older gcc:
posix_timers.c:250:2: warning: format not a string literal and no format arguments [-Wformat-security]
250 | ksft_print_msg(errmsg);
| ^~~~~~~~~~~~~~
Fix this up by changing it to ksft_print_msg("%s", errmsg)
Fixes: 6d029c25b71f ("selftests/timers/posix_timers: Reimplement check_timer_distribution()")
Signed-off-by: John Stultz <jstultz@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Justin Stitt <justinstitt@google.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240410232637.4135564-1-jstultz@google.com
---
tools/testing/selftests/timers/posix_timers.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/timers/posix_timers.c b/tools/testing/selftests/timers/posix_timers.c
index d86a0e00711e4..348f47176e0a3 100644
--- a/tools/testing/selftests/timers/posix_timers.c
+++ b/tools/testing/selftests/timers/posix_timers.c
@@ -247,7 +247,7 @@ static int check_timer_distribution(void)
ksft_test_result_skip("check signal distribution (old kernel)\n");
return 0;
err:
- ksft_print_msg(errmsg);
+ ksft_print_msg("%s", errmsg);
return -1;
}
--
GitLab
From f7d5bcd35d427daac7e206b1073ca14f5db85c27 Mon Sep 17 00:00:00 2001
From: Nathan Chancellor <nathan@kernel.org>
Date: Thu, 11 Apr 2024 11:45:40 -0700
Subject: [PATCH 2522/2686] selftests: kselftest: Mark functions that
unconditionally call exit() as __noreturn
After commit 6d029c25b71f ("selftests/timers/posix_timers: Reimplement
check_timer_distribution()"), clang warns:
tools/testing/selftests/timers/../kselftest.h:398:6: warning: variable 'major' is used uninitialized whenever '||' condition is true [-Wsometimes-uninitialized]
398 | if (uname(&info) || sscanf(info.release, "%u.%u.", &major, &minor) != 2)
| ^~~~~~~~~~~~
tools/testing/selftests/timers/../kselftest.h:401:9: note: uninitialized use occurs here
401 | return major > min_major || (major == min_major && minor >= min_minor);
| ^~~~~
tools/testing/selftests/timers/../kselftest.h:398:6: note: remove the '||' if its condition is always false
398 | if (uname(&info) || sscanf(info.release, "%u.%u.", &major, &minor) != 2)
| ^~~~~~~~~~~~~~~
tools/testing/selftests/timers/../kselftest.h:395:20: note: initialize the variable 'major' to silence this warning
395 | unsigned int major, minor;
| ^
| = 0
This is a false positive because if uname() fails, ksft_exit_fail_msg()
will be called, which unconditionally calls exit(), a noreturn function.
However, clang does not know that ksft_exit_fail_msg() will call exit() at
the point in the pipeline that the warning is emitted because inlining has
not occurred, so it assumes control flow will resume normally after
ksft_exit_fail_msg() is called.
Make it clear to clang that all of the functions that call exit()
unconditionally in kselftest.h are noreturn transitively by marking them
explicitly with '__attribute__((__noreturn__))', which clears up the
warning above and any future warnings that may appear for the same reason.
Fixes: 6d029c25b71f ("selftests/timers/posix_timers: Reimplement check_timer_distribution()")
Reported-by: John Stultz <jstultz@google.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240411-mark-kselftest-exit-funcs-noreturn-v1-1-b027c948f586@kernel.org
Closes: https://lore.kernel.org/all/20240410232637.4135564-2-jstultz@google.com/
---
tools/testing/selftests/kselftest.h | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
index 973b18e156b28..0591974b57e06 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -80,6 +80,9 @@
#define KSFT_XPASS 3
#define KSFT_SKIP 4
+#ifndef __noreturn
+#define __noreturn __attribute__((__noreturn__))
+#endif
#define __printf(a, b) __attribute__((format(printf, a, b)))
/* counters */
@@ -300,13 +303,13 @@ void ksft_test_result_code(int exit_code, const char *test_name,
va_end(args);
}
-static inline int ksft_exit_pass(void)
+static inline __noreturn int ksft_exit_pass(void)
{
ksft_print_cnts();
exit(KSFT_PASS);
}
-static inline int ksft_exit_fail(void)
+static inline __noreturn int ksft_exit_fail(void)
{
ksft_print_cnts();
exit(KSFT_FAIL);
@@ -333,7 +336,7 @@ static inline int ksft_exit_fail(void)
ksft_cnt.ksft_xfail + \
ksft_cnt.ksft_xskip)
-static inline __printf(1, 2) int ksft_exit_fail_msg(const char *msg, ...)
+static inline __noreturn __printf(1, 2) int ksft_exit_fail_msg(const char *msg, ...)
{
int saved_errno = errno;
va_list args;
@@ -348,19 +351,19 @@ static inline __printf(1, 2) int ksft_exit_fail_msg(const char *msg, ...)
exit(KSFT_FAIL);
}
-static inline int ksft_exit_xfail(void)
+static inline __noreturn int ksft_exit_xfail(void)
{
ksft_print_cnts();
exit(KSFT_XFAIL);
}
-static inline int ksft_exit_xpass(void)
+static inline __noreturn int ksft_exit_xpass(void)
{
ksft_print_cnts();
exit(KSFT_XPASS);
}
-static inline __printf(1, 2) int ksft_exit_skip(const char *msg, ...)
+static inline __noreturn __printf(1, 2) int ksft_exit_skip(const char *msg, ...)
{
int saved_errno = errno;
va_list args;
--
GitLab
From ed366de8ec89d4f960d66c85fc37d9de22f7bf6d Mon Sep 17 00:00:00 2001
From: John Stultz <jstultz@google.com>
Date: Wed, 10 Apr 2024 16:26:30 -0700
Subject: [PATCH 2523/2686] selftests: timers: Fix abs() warning in
posix_timers test
Building with clang results in the following warning:
posix_timers.c:69:6: warning: absolute value function 'abs' given an
argument of type 'long long' but has parameter of type 'int' which may
cause truncation of value [-Wabsolute-value]
if (abs(diff - DELAY * USECS_PER_SEC) > USECS_PER_SEC / 2) {
^
So switch to using llabs() instead.
Fixes: 0bc4b0cf1570 ("selftests: add basic posix timers selftests")
Signed-off-by: John Stultz <jstultz@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240410232637.4135564-3-jstultz@google.com
---
tools/testing/selftests/timers/posix_timers.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/timers/posix_timers.c b/tools/testing/selftests/timers/posix_timers.c
index 348f47176e0a3..c001dd79179d5 100644
--- a/tools/testing/selftests/timers/posix_timers.c
+++ b/tools/testing/selftests/timers/posix_timers.c
@@ -66,7 +66,7 @@ static int check_diff(struct timeval start, struct timeval end)
diff = end.tv_usec - start.tv_usec;
diff += (end.tv_sec - start.tv_sec) * USECS_PER_SEC;
- if (abs(diff - DELAY * USECS_PER_SEC) > USECS_PER_SEC / 2) {
+ if (llabs(diff - DELAY * USECS_PER_SEC) > USECS_PER_SEC / 2) {
printf("Diff too high: %lld..", diff);
return -1;
}
--
GitLab
From 607638faf2ff1cede37458111496e7cc6c977f6f Mon Sep 17 00:00:00 2001
From: Peter Oberparleiter <oberpar@linux.ibm.com>
Date: Wed, 10 Apr 2024 11:46:18 +0200
Subject: [PATCH 2524/2686] s390/qdio: handle deferred cc1
A deferred condition code 1 response indicates that I/O was not started
and should be retried. The current QDIO implementation handles a cc1
response as I/O error, resulting in a failed QDIO setup. This can happen
for example when a path verification request arrives at the same time
as QDIO setup I/O is started.
Fix this by retrying the QDIO setup I/O when a cc1 response is received.
Note that since
commit 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers")
commit 5ef1dc40ffa6 ("s390/cio: fix invalid -EBUSY on ccw_device_start")
deferred cc1 responses are much more likely to occur. See the commit
message of the latter for more background information.
Fixes: 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers")
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
---
drivers/s390/cio/qdio_main.c | 28 +++++++++++++++++++++++-----
1 file changed, 23 insertions(+), 5 deletions(-)
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 3d9f0834c78bf..a1cb39f4b7a27 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -722,8 +722,8 @@ static void qdio_handle_activate_check(struct qdio_irq *irq_ptr,
lgr_info_log();
}
-static void qdio_establish_handle_irq(struct qdio_irq *irq_ptr, int cstat,
- int dstat)
+static int qdio_establish_handle_irq(struct qdio_irq *irq_ptr, int cstat,
+ int dstat, int dcc)
{
DBF_DEV_EVENT(DBF_INFO, irq_ptr, "qest irq");
@@ -731,15 +731,18 @@ static void qdio_establish_handle_irq(struct qdio_irq *irq_ptr, int cstat,
goto error;
if (dstat & ~(DEV_STAT_DEV_END | DEV_STAT_CHN_END))
goto error;
+ if (dcc == 1)
+ return -EAGAIN;
if (!(dstat & DEV_STAT_DEV_END))
goto error;
qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ESTABLISHED);
- return;
+ return 0;
error:
DBF_ERROR("%4x EQ:error", irq_ptr->schid.sch_no);
DBF_ERROR("ds: %2x cs:%2x", dstat, cstat);
qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR);
+ return -EIO;
}
/* qdio interrupt handler */
@@ -748,7 +751,7 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
{
struct qdio_irq *irq_ptr = cdev->private->qdio_data;
struct subchannel_id schid;
- int cstat, dstat;
+ int cstat, dstat, rc, dcc;
if (!intparm || !irq_ptr) {
ccw_device_get_schid(cdev, &schid);
@@ -768,10 +771,12 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
qdio_irq_check_sense(irq_ptr, irb);
cstat = irb->scsw.cmd.cstat;
dstat = irb->scsw.cmd.dstat;
+ dcc = scsw_cmd_is_valid_cc(&irb->scsw) ? irb->scsw.cmd.cc : 0;
+ rc = 0;
switch (irq_ptr->state) {
case QDIO_IRQ_STATE_INACTIVE:
- qdio_establish_handle_irq(irq_ptr, cstat, dstat);
+ rc = qdio_establish_handle_irq(irq_ptr, cstat, dstat, dcc);
break;
case QDIO_IRQ_STATE_CLEANUP:
qdio_set_state(irq_ptr, QDIO_IRQ_STATE_INACTIVE);
@@ -785,12 +790,25 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
if (cstat || dstat)
qdio_handle_activate_check(irq_ptr, intparm, cstat,
dstat);
+ else if (dcc == 1)
+ rc = -EAGAIN;
break;
case QDIO_IRQ_STATE_STOPPED:
break;
default:
WARN_ON_ONCE(1);
}
+
+ if (rc == -EAGAIN) {
+ DBF_DEV_EVENT(DBF_INFO, irq_ptr, "qint retry");
+ rc = ccw_device_start(cdev, irq_ptr->ccw, intparm, 0, 0);
+ if (!rc)
+ return;
+ DBF_ERROR("%4x RETRY ERR", irq_ptr->schid.sch_no);
+ DBF_ERROR("rc:%4x", rc);
+ qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR);
+ }
+
wake_up(&cdev->private->wait_q);
}
--
GitLab
From 2d8527f2f911fab84aec04df4788c0c23af3df48 Mon Sep 17 00:00:00 2001
From: Peter Oberparleiter <oberpar@linux.ibm.com>
Date: Wed, 10 Apr 2024 11:46:19 +0200
Subject: [PATCH 2525/2686] s390/cio: fix race condition during online
processing
A race condition exists in ccw_device_set_online() that can cause the
online process to fail, leaving the affected device in an inconsistent
state. As a result, subsequent attempts to set that device online fail
with return code ENODEV.
The problem occurs when a path verification request arrives after
a wait for final device state completed, but before the result state
is evaluated.
Fix this by ensuring that the CCW-device lock is held between
determining final state and checking result state.
Note that since:
commit 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers")
path verification requests are much more likely to occur during boot,
resulting in an increased chance of this race condition occurring.
Fixes: 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers")
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
---
drivers/s390/cio/device.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index f95d12345d98a..920f550bc313b 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -363,10 +363,8 @@ int ccw_device_set_online(struct ccw_device *cdev)
spin_lock_irq(cdev->ccwlock);
ret = ccw_device_online(cdev);
- spin_unlock_irq(cdev->ccwlock);
- if (ret == 0)
- wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
- else {
+ if (ret) {
+ spin_unlock_irq(cdev->ccwlock);
CIO_MSG_EVENT(0, "ccw_device_online returned %d, "
"device 0.%x.%04x\n",
ret, cdev->private->dev_id.ssid,
@@ -375,7 +373,12 @@ int ccw_device_set_online(struct ccw_device *cdev)
put_device(&cdev->dev);
return ret;
}
- spin_lock_irq(cdev->ccwlock);
+ /* Wait until a final state is reached */
+ while (!dev_fsm_final_state(cdev)) {
+ spin_unlock_irq(cdev->ccwlock);
+ wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
+ spin_lock_irq(cdev->ccwlock);
+ }
/* Check if online processing was successful */
if ((cdev->private->state != DEV_STATE_ONLINE) &&
(cdev->private->state != DEV_STATE_W4SENSE)) {
--
GitLab
From 6f76592ef63a1ffd8949f0828d24da7913ddb6d8 Mon Sep 17 00:00:00 2001
From: Peter Oberparleiter <oberpar@linux.ibm.com>
Date: Wed, 10 Apr 2024 11:46:20 +0200
Subject: [PATCH 2526/2686] s390/cio: log fake IRB events
Add traces when queueing and delivering fake IRBs. These are significant
events that might have an impact on device driver processing and are
therefore relevant for problem analysis.
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
---
drivers/s390/cio/device_fsm.c | 5 +++++
drivers/s390/cio/device_ops.c | 8 ++++++++
2 files changed, 13 insertions(+)
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 65d8b2cfd6262..42791fa0b80e2 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -504,6 +504,11 @@ void ccw_device_verify_done(struct ccw_device *cdev, int err)
ccw_device_done(cdev, DEV_STATE_ONLINE);
/* Deliver fake irb to device driver, if needed. */
if (cdev->private->flags.fake_irb) {
+ CIO_MSG_EVENT(2, "fakeirb: deliver device 0.%x.%04x intparm %lx type=%d\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno,
+ cdev->private->intparm,
+ cdev->private->flags.fake_irb);
create_fake_irb(&cdev->private->dma_area->irb,
cdev->private->flags.fake_irb);
cdev->private->flags.fake_irb = 0;
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 40c97f8730751..acd6790dba4dd 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -208,6 +208,10 @@ int ccw_device_start_timeout_key(struct ccw_device *cdev, struct ccw1 *cpa,
if (!cdev->private->flags.fake_irb) {
cdev->private->flags.fake_irb = FAKE_CMD_IRB;
cdev->private->intparm = intparm;
+ CIO_MSG_EVENT(2, "fakeirb: queue device 0.%x.%04x intparm %lx type=%d\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno, intparm,
+ cdev->private->flags.fake_irb);
return 0;
} else
/* There's already a fake I/O around. */
@@ -551,6 +555,10 @@ int ccw_device_tm_start_timeout_key(struct ccw_device *cdev, struct tcw *tcw,
if (!cdev->private->flags.fake_irb) {
cdev->private->flags.fake_irb = FAKE_TM_IRB;
cdev->private->intparm = intparm;
+ CIO_MSG_EVENT(2, "fakeirb: queue device 0.%x.%04x intparm %lx type=%d\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno, intparm,
+ cdev->private->flags.fake_irb);
return 0;
} else
/* There's already a fake I/O around. */
--
GitLab
From 3ec4848913d695245716ea45ca4872d9dff097a5 Mon Sep 17 00:00:00 2001
From: Yu Kuai <yukuai3@huawei.com>
Date: Thu, 11 Apr 2024 11:23:48 +0800
Subject: [PATCH 2527/2686] block: fix that blk_time_get_ns() doesn't update
time after schedule
While monitoring the throttle time of IO from iocost, it's found that
such time is always zero after the io_schedule() from ioc_rqos_throttle,
for example, with the following debug patch:
+ printk("%s-%d: %s enter %llu\n", current->comm, current->pid, __func__, blk_time_get_ns());
while (true) {
set_current_state(TASK_UNINTERRUPTIBLE);
if (wait.committed)
break;
io_schedule();
}
+ printk("%s-%d: %s exit %llu\n", current->comm, current->pid, __func__, blk_time_get_ns());
It can be observerd that blk_time_get_ns() always return the same time:
[ 1068.096579] fio-1268: ioc_rqos_throttle enter 1067901962288
[ 1068.272587] fio-1268: ioc_rqos_throttle exit 1067901962288
[ 1068.274389] fio-1268: ioc_rqos_throttle enter 1067901962288
[ 1068.472690] fio-1268: ioc_rqos_throttle exit 1067901962288
[ 1068.474485] fio-1268: ioc_rqos_throttle enter 1067901962288
[ 1068.672656] fio-1268: ioc_rqos_throttle exit 1067901962288
[ 1068.674451] fio-1268: ioc_rqos_throttle enter 1067901962288
[ 1068.872655] fio-1268: ioc_rqos_throttle exit 1067901962288
And I think the root cause is that 'PF_BLOCK_TS' is always cleared
by blk_flush_plug() before scheduel(), hence blk_plug_invalidate_ts()
will never be called:
blk_time_get_ns
plug->cur_ktime = ktime_get_ns();
current->flags |= PF_BLOCK_TS;
io_schedule:
io_schedule_prepare
blk_flush_plug
__blk_flush_plug
/* the flag is cleared, while time is not */
current->flags &= ~PF_BLOCK_TS;
schedule
sched_update_worker
/* the flag is not set, hence plug->cur_ktime is not cleared */
if (tsk->flags & PF_BLOCK_TS)
blk_plug_invalidate_ts()
blk_time_get_ns
/* got the time stashed before schedule */
return plug->cur_ktime;
Fix the problem by clearing cached time in __blk_flush_plug().
Fixes: 06b23f92af87 ("block: update cached timestamp post schedule/preemption")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240411032349.3051233-2-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/blk-core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block/blk-core.c b/block/blk-core.c
index 3a6f5603fb44b..b795ac177281a 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1197,6 +1197,7 @@ void __blk_flush_plug(struct blk_plug *plug, bool from_schedule)
if (unlikely(!rq_list_empty(plug->cached_rq)))
blk_mq_free_plug_rqs(plug);
+ plug->cur_ktime = 0;
current->flags &= ~PF_BLOCK_TS;
}
--
GitLab
From 16767502aa990cca2cb7d1372b31d328c4c85b40 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Fri, 12 Apr 2024 14:35:36 +0200
Subject: [PATCH 2528/2686] selftests: kselftest: Fix build failure with NOLIBC
As Mark explains ksft_min_kernel_version() can't be compiled with nolibc,
it doesn't implement uname().
Fixes: 6d029c25b71f ("selftests/timers/posix_timers: Reimplement check_timer_distribution()")
Reported-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240412123536.GA32444@redhat.com
Closes: https://lore.kernel.org/all/f0523b3a-ea08-4615-b0fb-5b504a2d39df@sirena.org.uk/
---
tools/testing/selftests/kselftest.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
index 0591974b57e06..7b89362da4bfd 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -395,6 +395,10 @@ static inline __noreturn __printf(1, 2) int ksft_exit_skip(const char *msg, ...)
static inline int ksft_min_kernel_version(unsigned int min_major,
unsigned int min_minor)
{
+#ifdef NOLIBC
+ ksft_print_msg("NOLIBC: Can't check kernel version: Function not implemented\n");
+ return 0;
+#else
unsigned int major, minor;
struct utsname info;
@@ -402,6 +406,7 @@ static inline int ksft_min_kernel_version(unsigned int min_major,
ksft_exit_fail_msg("Can't parse kernel version\n");
return major > min_major || (major == min_major && minor >= min_minor);
+#endif
}
#endif /* __KSELFTEST_H */
--
GitLab
From 46dad3c1e57897ab9228332f03e1c14798d2d3b9 Mon Sep 17 00:00:00 2001
From: Yuntao Wang <ytcoode@gmail.com>
Date: Fri, 12 Apr 2024 16:17:32 +0800
Subject: [PATCH 2529/2686] init/main.c: Fix potential static_command_line
memory overflow
We allocate memory of size 'xlen + strlen(boot_command_line) + 1' for
static_command_line, but the strings copied into static_command_line are
extra_command_line and command_line, rather than extra_command_line and
boot_command_line.
When strlen(command_line) > strlen(boot_command_line), static_command_line
will overflow.
This patch just recovers strlen(command_line) which was miss-consolidated
with strlen(boot_command_line) in the commit f5c7310ac73e ("init/main: add
checks for the return value of memblock_alloc*()")
Link: https://lore.kernel.org/all/20240412081733.35925-2-ytcoode@gmail.com/
Fixes: f5c7310ac73e ("init/main: add checks for the return value of memblock_alloc*()")
Cc: stable@vger.kernel.org
Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---
init/main.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/init/main.c b/init/main.c
index 881f6230ee59e..5dcf5274c09c7 100644
--- a/init/main.c
+++ b/init/main.c
@@ -636,6 +636,8 @@ static void __init setup_command_line(char *command_line)
if (!saved_command_line)
panic("%s: Failed to allocate %zu bytes\n", __func__, len + ilen);
+ len = xlen + strlen(command_line) + 1;
+
static_command_line = memblock_alloc(len, SMP_CACHE_BYTES);
if (!static_command_line)
panic("%s: Failed to allocate %zu bytes\n", __func__, len);
--
GitLab
From d5cf50dafc9dd5faa1e61e7021e3496ddf7fd61e Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 12 Apr 2024 10:05:10 -0700
Subject: [PATCH 2530/2686] Kconfig: add some hidden tabs on purpose
Commit d96c36004e31 ("tracing: Fix FTRACE_RECORD_RECURSION_SIZE Kconfig
entry") removed a hidden tab because it apparently showed breakage in
some third-party kernel config parsing tool.
It wasn't clear what tool it was, but let's make sure it gets fixed.
Because if you can't parse tabs as whitespace, you should not be parsing
the kernel Kconfig files.
In fact, let's make such breakage more obvious than some esoteric ftrace
record size option. If you can't parse tabs, you can't have page sizes.
Yes, tab-vs-space confusion is sadly a traditional Unix thing, and
'make' is famous for being broken in this regard. But no, that does not
mean that it's ok.
I'd add more random tabs to our Kconfig files, but I don't want to make
things uglier than necessary. But it *might* bbe necessary if it turns
out we see more of this kind of silly tooling.
Fixes: d96c36004e31 ("tracing: Fix FTRACE_RECORD_RECURSION_SIZE Kconfig entry")
Link: https://lore.kernel.org/lkml/CAHk-=wj-hLLN_t_m5OL4dXLaxvXKy_axuoJYXif7iczbfgAevQ@mail.gmail.com/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/Kconfig | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/Kconfig b/arch/Kconfig
index 9f066785bb71d..65afb1de48b36 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -1172,12 +1172,12 @@ config PAGE_SIZE_LESS_THAN_256KB
config PAGE_SHIFT
int
- default 12 if PAGE_SIZE_4KB
- default 13 if PAGE_SIZE_8KB
- default 14 if PAGE_SIZE_16KB
- default 15 if PAGE_SIZE_32KB
- default 16 if PAGE_SIZE_64KB
- default 18 if PAGE_SIZE_256KB
+ default 12 if PAGE_SIZE_4KB
+ default 13 if PAGE_SIZE_8KB
+ default 14 if PAGE_SIZE_16KB
+ default 15 if PAGE_SIZE_32KB
+ default 16 if PAGE_SIZE_64KB
+ default 18 if PAGE_SIZE_256KB
# This allows to use a set of generic functions to determine mmap base
# address by giving priority to top-down scheme only if the process
--
GitLab
From 11baa36d317321f5d54059f07d243c5a1dbbfbb2 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzk@kernel.org>
Date: Wed, 10 Apr 2024 19:03:05 +0200
Subject: [PATCH 2531/2686] gpio: lpc32xx: fix module autoloading
Add MODULE_DEVICE_TABLE(), so the module could be properly autoloaded
based on the alias from of_device_id table.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
drivers/gpio/gpio-lpc32xx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
index 5ef8af8249806..c097e310c9e84 100644
--- a/drivers/gpio/gpio-lpc32xx.c
+++ b/drivers/gpio/gpio-lpc32xx.c
@@ -529,6 +529,7 @@ static const struct of_device_id lpc32xx_gpio_of_match[] = {
{ .compatible = "nxp,lpc3220-gpio", },
{ },
};
+MODULE_DEVICE_TABLE(of, lpc32xx_gpio_of_match);
static struct platform_driver lpc32xx_gpio_driver = {
.driver = {
--
GitLab
From 79336504781e7fee5ddaf046dcc186c8dfdf60b1 Mon Sep 17 00:00:00 2001
From: Damien Le Moal <dlemoal@kernel.org>
Date: Fri, 12 Apr 2024 08:41:15 +0900
Subject: [PATCH 2532/2686] ata: libata-scsi: Fix ata_scsi_dev_rescan() error
path
Commit 0c76106cb975 ("scsi: sd: Fix TCG OPAL unlock on system resume")
incorrectly handles failures of scsi_resume_device() in
ata_scsi_dev_rescan(), leading to a double call to
spin_unlock_irqrestore() to unlock a device port. Fix this by redefining
the goto labels used in case of errors and only unlock the port
scsi_scan_mutex when scsi_resume_device() fails.
Bug found with the Smatch static checker warning:
drivers/ata/libata-scsi.c:4774 ata_scsi_dev_rescan()
error: double unlocked 'ap->lock' (orig line 4757)
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Fixes: 0c76106cb975 ("scsi: sd: Fix TCG OPAL unlock on system resume")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
---
drivers/ata/libata-scsi.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 2f4c588376410..e954976891a9f 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -4745,7 +4745,7 @@ void ata_scsi_dev_rescan(struct work_struct *work)
* bail out.
*/
if (ap->pflags & ATA_PFLAG_SUSPENDED)
- goto unlock;
+ goto unlock_ap;
if (!sdev)
continue;
@@ -4758,7 +4758,7 @@ void ata_scsi_dev_rescan(struct work_struct *work)
if (do_resume) {
ret = scsi_resume_device(sdev);
if (ret == -EWOULDBLOCK)
- goto unlock;
+ goto unlock_scan;
dev->flags &= ~ATA_DFLAG_RESUMING;
}
ret = scsi_rescan_device(sdev);
@@ -4766,12 +4766,13 @@ void ata_scsi_dev_rescan(struct work_struct *work)
spin_lock_irqsave(ap->lock, flags);
if (ret)
- goto unlock;
+ goto unlock_ap;
}
}
-unlock:
+unlock_ap:
spin_unlock_irqrestore(ap->lock, flags);
+unlock_scan:
mutex_unlock(&ap->scsi_scan_mutex);
/* Reschedule with a delay if scsi_rescan_device() returned an error */
--
GitLab
From c0297e7dd50795d559f3534887a6de1756b35d0f Mon Sep 17 00:00:00 2001
From: Igor Pylypiv <ipylypiv@google.com>
Date: Thu, 11 Apr 2024 20:12:24 +0000
Subject: [PATCH 2533/2686] ata: libata-core: Allow command duration limits
detection for ACS-4 drives
Even though the command duration limits (CDL) feature was first added
in ACS-5 (major version 12), there are some ACS-4 (major version 11)
drives that implement CDL as well.
IDENTIFY_DEVICE, SUPPORTED_CAPABILITIES, and CURRENT_SETTINGS log pages
are mandatory in the ACS-4 standard so it should be safe to read these
log pages on older drives implementing the ACS-4 standard.
Fixes: 62e4a60e0cdb ("scsi: ata: libata: Detect support for command duration limits")
Cc: stable@vger.kernel.org
Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
---
drivers/ata/libata-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index be3412cdb22e7..c449d60d9bb96 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2539,7 +2539,7 @@ static void ata_dev_config_cdl(struct ata_device *dev)
bool cdl_enabled;
u64 val;
- if (ata_id_major_version(dev->id) < 12)
+ if (ata_id_major_version(dev->id) < 11)
goto not_supported;
if (!ata_log_supported(dev, ATA_LOG_IDENTIFY_DEVICE) ||
--
GitLab
From 283454c8a123072e5c386a5a2b5fc576aa455b6f Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Wed, 10 Apr 2024 10:10:15 -0700
Subject: [PATCH 2534/2686] af_unix: Call manage_oob() for every skb in
unix_stream_read_generic().
When we call recv() for AF_UNIX socket, we first peek one skb and
calls manage_oob() to check if the skb is sent with MSG_OOB.
However, when we fetch the next (and the following) skb, manage_oob()
is not called now, leading a wrong behaviour.
Let's say a socket send()s "hello" with MSG_OOB and the peer tries
to recv() 5 bytes with MSG_PEEK. Here, we should get only "hell"
without 'o', but actually not:
>>> from socket import *
>>> c1, c2 = socketpair(AF_UNIX, SOCK_STREAM)
>>> c1.send(b'hello', MSG_OOB)
5
>>> c2.recv(5, MSG_PEEK)
b'hello'
The first skb fills 4 bytes, and the next skb is peeked but not
properly checked by manage_oob().
Let's move up the again label to call manage_oob() for evry skb.
With this patch:
>>> from socket import *
>>> c1, c2 = socketpair(AF_UNIX, SOCK_STREAM)
>>> c1.send(b'hello', MSG_OOB)
5
>>> c2.recv(5, MSG_PEEK)
b'hell'
Fixes: 314001f0bf92 ("af_unix: Add OOB support")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240410171016.7621-2-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/unix/af_unix.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index d032eb5fa6df1..f297320438bfd 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2741,6 +2741,7 @@ static int unix_stream_read_generic(struct unix_stream_read_state *state,
last = skb = skb_peek(&sk->sk_receive_queue);
last_len = last ? last->len : 0;
+again:
#if IS_ENABLED(CONFIG_AF_UNIX_OOB)
if (skb) {
skb = manage_oob(skb, sk, flags, copied);
@@ -2752,7 +2753,6 @@ static int unix_stream_read_generic(struct unix_stream_read_state *state,
}
}
#endif
-again:
if (skb == NULL) {
if (copied >= target)
goto unlock;
--
GitLab
From 22dd70eb2c3d754862964377a75abafd3167346b Mon Sep 17 00:00:00 2001
From: Kuniyuki Iwashima <kuniyu@amazon.com>
Date: Wed, 10 Apr 2024 10:10:16 -0700
Subject: [PATCH 2535/2686] af_unix: Don't peek OOB data without MSG_OOB.
Currently, we can read OOB data without MSG_OOB by using MSG_PEEK
when OOB data is sitting on the front row, which is apparently
wrong.
>>> from socket import *
>>> c1, c2 = socketpair(AF_UNIX, SOCK_STREAM)
>>> c1.send(b'a', MSG_OOB)
1
>>> c2.recv(1, MSG_PEEK | MSG_DONTWAIT)
b'a'
If manage_oob() is called when no data has been copied, we only
check if the socket enables SO_OOBINLINE or MSG_PEEK is not used.
Otherwise, the skb is returned as is.
However, here we should return NULL if MSG_PEEK is set and no data
has been copied.
Also, in such a case, we should not jump to the redo label because
we will be caught in the loop and hog the CPU until normal data
comes in.
Then, we need to handle skb == NULL case with the if-clause below
the manage_oob() block.
With this patch:
>>> from socket import *
>>> c1, c2 = socketpair(AF_UNIX, SOCK_STREAM)
>>> c1.send(b'a', MSG_OOB)
1
>>> c2.recv(1, MSG_PEEK | MSG_DONTWAIT)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
BlockingIOError: [Errno 11] Resource temporarily unavailable
Fixes: 314001f0bf92 ("af_unix: Add OOB support")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240410171016.7621-3-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
net/unix/af_unix.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index f297320438bfd..9a6ad5974dff5 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2663,7 +2663,9 @@ static struct sk_buff *manage_oob(struct sk_buff *skb, struct sock *sk,
WRITE_ONCE(u->oob_skb, NULL);
consume_skb(skb);
}
- } else if (!(flags & MSG_PEEK)) {
+ } else if (flags & MSG_PEEK) {
+ skb = NULL;
+ } else {
skb_unlink(skb, &sk->sk_receive_queue);
WRITE_ONCE(u->oob_skb, NULL);
if (!WARN_ON_ONCE(skb_unref(skb)))
@@ -2745,11 +2747,9 @@ static int unix_stream_read_generic(struct unix_stream_read_state *state,
#if IS_ENABLED(CONFIG_AF_UNIX_OOB)
if (skb) {
skb = manage_oob(skb, sk, flags, copied);
- if (!skb) {
+ if (!skb && copied) {
unix_state_unlock(sk);
- if (copied)
- break;
- goto redo;
+ break;
}
}
#endif
--
GitLab
From 68aba00483c7c4102429bcdfdece7289a8ab5c8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Asbj=C3=B8rn=20Sloth=20T=C3=B8nnesen?= <ast@fiberby.net>
Date: Thu, 11 Apr 2024 11:13:18 +0000
Subject: [PATCH 2536/2686] net: sparx5: flower: fix fragment flags handling
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
I noticed that only 3 out of the 4 input bits were used,
mt.key->flags & FLOW_DIS_IS_FRAGMENT was never checked.
In order to avoid a complicated maze, I converted it to
use a 16 byte mapping table.
As shown in the table below the old heuristics doesn't
always do the right thing, ie. when FLOW_DIS_IS_FRAGMENT=1/1
then it used to only match follow-up fragment packets.
Here are all the combinations, and their resulting new/old
VCAP key/mask filter:
/- FLOW_DIS_IS_FRAGMENT (key/mask)
| /- FLOW_DIS_FIRST_FRAG (key/mask)
| | /-- new VCAP fragment (key/mask)
v v v v- old VCAP fragment (key/mask)
0/0 0/0 -/- -/- impossible (due to entry cond. on mask)
0/0 0/1 -/- 0/3 !! invalid (can't match non-fragment + follow-up frag)
0/0 1/0 -/- -/- impossible (key > mask)
0/0 1/1 1/3 1/3 first fragment
0/1 0/0 0/3 3/3 !! not fragmented
0/1 0/1 0/3 3/3 !! not fragmented (+ not first fragment)
0/1 1/0 -/- -/- impossible (key > mask)
0/1 1/1 -/- 1/3 !! invalid (non-fragment and first frag)
1/0 0/0 -/- -/- impossible (key > mask)
1/0 0/1 -/- -/- impossible (key > mask)
1/0 1/0 -/- -/- impossible (key > mask)
1/0 1/1 -/- -/- impossible (key > mask)
1/1 0/0 1/1 3/3 !! some fragment
1/1 0/1 3/3 3/3 follow-up fragment
1/1 1/0 -/- -/- impossible (key > mask)
1/1 1/1 1/3 1/3 first fragment
In the datasheet the VCAP fragment values are documented as:
0 = no fragment
1 = initial fragment
2 = suspicious fragment
3 = valid follow-up fragment
Result: 3 combinations match the old behavior,
3 combinations have been corrected,
2 combinations are now invalid, and fail,
8 combinations are impossible.
It should now be aligned with how FLOW_DIS_IS_FRAGMENT
and FLOW_DIS_FIRST_FRAG is set in __skb_flow_dissect() in
net/core/flow_dissector.c
Since the VCAP fragment values are not a bitfield, we have
to ignore the suspicious fragment value, eg. when matching
on any kind of fragment with FLOW_DIS_IS_FRAGMENT=1/1.
Only compile tested, and logic tested in userspace, as I
unfortunately don't have access to this switch chip (yet).
Fixes: d6c2964db3fe ("net: microchip: sparx5: Adding more tc flower keys for the IS2 VCAP")
Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Tested-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20240411111321.114095-1-ast@fiberby.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../microchip/sparx5/sparx5_tc_flower.c | 61 ++++++++++++-------
1 file changed, 40 insertions(+), 21 deletions(-)
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c
index 523e0c470894f..55f255a3c9db6 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c
@@ -36,6 +36,27 @@ struct sparx5_tc_flower_template {
u16 l3_proto; /* protocol specified in the template */
};
+/* SparX-5 VCAP fragment types:
+ * 0 = no fragment, 1 = initial fragment,
+ * 2 = suspicious fragment, 3 = valid follow-up fragment
+ */
+enum { /* key / mask */
+ FRAG_NOT = 0x03, /* 0 / 3 */
+ FRAG_SOME = 0x11, /* 1 / 1 */
+ FRAG_FIRST = 0x13, /* 1 / 3 */
+ FRAG_LATER = 0x33, /* 3 / 3 */
+ FRAG_INVAL = 0xff, /* invalid */
+};
+
+/* Flower fragment flag to VCAP fragment type mapping */
+static const u8 sparx5_vcap_frag_map[4][4] = { /* is_frag */
+ { FRAG_INVAL, FRAG_INVAL, FRAG_INVAL, FRAG_FIRST }, /* 0/0 */
+ { FRAG_NOT, FRAG_NOT, FRAG_INVAL, FRAG_INVAL }, /* 0/1 */
+ { FRAG_INVAL, FRAG_INVAL, FRAG_INVAL, FRAG_INVAL }, /* 1/0 */
+ { FRAG_SOME, FRAG_LATER, FRAG_INVAL, FRAG_FIRST } /* 1/1 */
+ /* 0/0 0/1 1/0 1/1 <-- first_frag */
+};
+
static int
sparx5_tc_flower_es0_tpid(struct vcap_tc_flower_parse_usage *st)
{
@@ -145,29 +166,27 @@ sparx5_tc_flower_handler_control_usage(struct vcap_tc_flower_parse_usage *st)
flow_rule_match_control(st->frule, &mt);
if (mt.mask->flags) {
- if (mt.mask->flags & FLOW_DIS_FIRST_FRAG) {
- if (mt.key->flags & FLOW_DIS_FIRST_FRAG) {
- value = 1; /* initial fragment */
- mask = 0x3;
- } else {
- if (mt.mask->flags & FLOW_DIS_IS_FRAGMENT) {
- value = 3; /* follow up fragment */
- mask = 0x3;
- } else {
- value = 0; /* no fragment */
- mask = 0x3;
- }
- }
- } else {
- if (mt.mask->flags & FLOW_DIS_IS_FRAGMENT) {
- value = 3; /* follow up fragment */
- mask = 0x3;
- } else {
- value = 0; /* no fragment */
- mask = 0x3;
- }
+ u8 is_frag_key = !!(mt.key->flags & FLOW_DIS_IS_FRAGMENT);
+ u8 is_frag_mask = !!(mt.mask->flags & FLOW_DIS_IS_FRAGMENT);
+ u8 is_frag_idx = (is_frag_key << 1) | is_frag_mask;
+
+ u8 first_frag_key = !!(mt.key->flags & FLOW_DIS_FIRST_FRAG);
+ u8 first_frag_mask = !!(mt.mask->flags & FLOW_DIS_FIRST_FRAG);
+ u8 first_frag_idx = (first_frag_key << 1) | first_frag_mask;
+
+ /* Lookup verdict based on the 2 + 2 input bits */
+ u8 vdt = sparx5_vcap_frag_map[is_frag_idx][first_frag_idx];
+
+ if (vdt == FRAG_INVAL) {
+ NL_SET_ERR_MSG_MOD(st->fco->common.extack,
+ "Match on invalid fragment flag combination");
+ return -EINVAL;
}
+ /* Extract VCAP fragment key and mask from verdict */
+ value = (vdt >> 4) & 0x3;
+ mask = vdt & 0x3;
+
err = vcap_rule_add_key_u32(st->vrule,
VCAP_KF_L3_FRAGMENT_TYPE,
value, mask);
--
GitLab
From 37cc10da3a50e6d0cb9808a90b7da9b4868794dd Mon Sep 17 00:00:00 2001
From: Shay Drory <shayd@nvidia.com>
Date: Thu, 11 Apr 2024 14:54:39 +0300
Subject: [PATCH 2537/2686] net/mlx5: Lag, restore buckets number to default
after hash LAG deactivation
The cited patch introduces the concept of buckets in LAG in hash mode.
However, the patch doesn't clear the number of buckets in the LAG
deactivation. This results in using the wrong number of buckets in
case user create a hash mode LAG and afterwards create a non-hash
mode LAG.
Hence, restore buckets number to default after hash mode LAG
deactivation.
Fixes: 352899f384d4 ("net/mlx5: Lag, use buckets in hash mode")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240411115444.374475-2-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
index d14459e5c04fc..69d482f7c5a29 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
@@ -703,8 +703,10 @@ int mlx5_deactivate_lag(struct mlx5_lag *ldev)
return err;
}
- if (test_bit(MLX5_LAG_MODE_FLAG_HASH_BASED, &flags))
+ if (test_bit(MLX5_LAG_MODE_FLAG_HASH_BASED, &flags)) {
mlx5_lag_port_sel_destroy(ldev);
+ ldev->buckets = 1;
+ }
if (mlx5_lag_has_drop_rule(ldev))
mlx5_lag_drop_rule_cleanup(ldev);
--
GitLab
From aa4ac90d04f4371466000825adb44935ecb5c974 Mon Sep 17 00:00:00 2001
From: Tariq Toukan <tariqt@nvidia.com>
Date: Thu, 11 Apr 2024 14:54:40 +0300
Subject: [PATCH 2538/2686] net/mlx5: SD, Handle possible devcom ERR_PTR
Check if devcom holds an error pointer and return immediately.
This fixes Smatch static checker warning:
drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c:221 sd_register()
error: 'devcom' dereferencing possible ERR_PTR()
Enhance mlx5_devcom_register_component() so it stops returning NULL,
making it easier for its callers.
Fixes: d3d057666090 ("net/mlx5: SD, Implement devcom communication and primary election")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/all/f09666c8-e604-41f6-958b-4cc55c73faf9@gmail.com/T/
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Link: https://lore.kernel.org/r/20240411115444.374475-3-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 4 ++--
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c | 4 ++--
drivers/net/ethernet/mellanox/mlx5/core/main.c | 2 +-
5 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index b375ef268671a..319930c04093b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -209,8 +209,8 @@ static int mlx5e_devcom_init_mpv(struct mlx5e_priv *priv, u64 *data)
*data,
mlx5e_devcom_event_mpv,
priv);
- if (IS_ERR_OR_NULL(priv->devcom))
- return -EOPNOTSUPP;
+ if (IS_ERR(priv->devcom))
+ return PTR_ERR(priv->devcom);
if (mlx5_core_is_mp_master(priv->mdev)) {
mlx5_devcom_send_event(priv->devcom, MPV_DEVCOM_MASTER_UP,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 1f60954c12f72..844d3e3a65ddf 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -3060,7 +3060,7 @@ void mlx5_esw_offloads_devcom_init(struct mlx5_eswitch *esw, u64 key)
key,
mlx5_esw_offloads_devcom_event,
esw);
- if (IS_ERR_OR_NULL(esw->devcom))
+ if (IS_ERR(esw->devcom))
return;
mlx5_devcom_send_event(esw->devcom,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
index e7d59cfa8708e..7b0766c89f4cf 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
@@ -220,7 +220,7 @@ mlx5_devcom_register_component(struct mlx5_devcom_dev *devc,
struct mlx5_devcom_comp *comp;
if (IS_ERR_OR_NULL(devc))
- return NULL;
+ return ERR_PTR(-EINVAL);
mutex_lock(&comp_list_lock);
comp = devcom_component_get(devc, id, key, handler);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c
index 5b28084e8a03c..dd5d186dc6148 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c
@@ -213,8 +213,8 @@ static int sd_register(struct mlx5_core_dev *dev)
sd = mlx5_get_sd(dev);
devcom = mlx5_devcom_register_component(dev->priv.devc, MLX5_DEVCOM_SD_GROUP,
sd->group_id, NULL, dev);
- if (!devcom)
- return -ENOMEM;
+ if (IS_ERR(devcom))
+ return PTR_ERR(devcom);
sd->devcom = devcom;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 59806553889e9..a39c4b25ba280 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -956,7 +956,7 @@ static void mlx5_register_hca_devcom_comp(struct mlx5_core_dev *dev)
mlx5_devcom_register_component(dev->priv.devc, MLX5_DEVCOM_HCA_PORTS,
mlx5_query_nic_system_image_guid(dev),
NULL, dev);
- if (IS_ERR_OR_NULL(dev->priv.hca_devcom_comp))
+ if (IS_ERR(dev->priv.hca_devcom_comp))
mlx5_core_err(dev, "Failed to register devcom HCA component\n");
}
--
GitLab
From bf729988303a27833a86acb561f42b9a3cc12728 Mon Sep 17 00:00:00 2001
From: Shay Drory <shayd@nvidia.com>
Date: Thu, 11 Apr 2024 14:54:41 +0300
Subject: [PATCH 2539/2686] net/mlx5: Restore mistakenly dropped parts in
register devlink flow
Code parts from cited commit were mistakenly dropped while rebasing
before submission. Add them here.
Fixes: c6e77aa9dd82 ("net/mlx5: Register devlink first under devlink lock")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240411115444.374475-4-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/main.c | 5 ++++-
drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c | 1 -
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index a39c4b25ba280..331ce47f51a17 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1699,12 +1699,15 @@ int mlx5_init_one_light(struct mlx5_core_dev *dev)
err = mlx5_devlink_params_register(priv_to_devlink(dev));
if (err) {
mlx5_core_warn(dev, "mlx5_devlink_param_reg err = %d\n", err);
- goto query_hca_caps_err;
+ goto params_reg_err;
}
devl_unlock(devlink);
return 0;
+params_reg_err:
+ devl_unregister(devlink);
+ devl_unlock(devlink);
query_hca_caps_err:
devl_unregister(devlink);
devl_unlock(devlink);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c
index e3bf8c7e4baa6..7ebe712808275 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c
@@ -75,7 +75,6 @@ static int mlx5_sf_dev_probe(struct auxiliary_device *adev, const struct auxilia
goto peer_devlink_set_err;
}
- devlink_register(devlink);
return 0;
peer_devlink_set_err:
--
GitLab
From 6c685bdb9e1af966ec0278dbd4068ec39ae88c2d Mon Sep 17 00:00:00 2001
From: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Date: Thu, 11 Apr 2024 14:54:42 +0300
Subject: [PATCH 2540/2686] net/mlx5e: Use channel mdev reference instead of
global mdev instance for coalescing
Channels can potentially have independent mdev instances. Do not refer to
the global mdev instance in the mlx5e_priv instance for channel FW
operations related to coalescing. CQ numbers that would be valid on the
channel's mdev instance may not be correctly referenced if using the
mlx5e_priv instance.
Fixes: 67936e138586 ("net/mlx5e: Let channels be SD-aware")
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240411115444.374475-5-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 8f101181648c6..67a29826bb570 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -589,12 +589,12 @@ static int mlx5e_get_coalesce(struct net_device *netdev,
static void
mlx5e_set_priv_channels_tx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
{
- struct mlx5_core_dev *mdev = priv->mdev;
int tc;
int i;
for (i = 0; i < priv->channels.num; ++i) {
struct mlx5e_channel *c = priv->channels.c[i];
+ struct mlx5_core_dev *mdev = c->mdev;
for (tc = 0; tc < c->num_tc; tc++) {
mlx5_core_modify_cq_moderation(mdev,
@@ -608,11 +608,11 @@ mlx5e_set_priv_channels_tx_coalesce(struct mlx5e_priv *priv, struct ethtool_coal
static void
mlx5e_set_priv_channels_rx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
{
- struct mlx5_core_dev *mdev = priv->mdev;
int i;
for (i = 0; i < priv->channels.num; ++i) {
struct mlx5e_channel *c = priv->channels.c[i];
+ struct mlx5_core_dev *mdev = c->mdev;
mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq,
coal->rx_coalesce_usecs,
--
GitLab
From fdce06bda7e56b2a34c53ea58bad7af2fae96da1 Mon Sep 17 00:00:00 2001
From: Carolina Jubran <cjubran@nvidia.com>
Date: Thu, 11 Apr 2024 14:54:43 +0300
Subject: [PATCH 2541/2686] net/mlx5e: Acquire RTNL lock before RQs/SQs
activation/deactivation
netif_queue_set_napi asserts whether RTNL lock is held if
the netdev is initialized.
Acquire the RTNL lock before activating or deactivating
RQs/SQs if the lock has not been held before in the flow.
Fixes: f25e7b82635f ("net/mlx5e: link NAPI instances to queues and IRQs")
Cc: Joe Damato <jdamato@fastly.com>
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240411115444.374475-6-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
index 0ab9db3195302..22918b2ef7f12 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
@@ -108,7 +108,10 @@ static int mlx5e_tx_reporter_err_cqe_recover(void *ctx)
mlx5e_reset_txqsq_cc_pc(sq);
sq->stats->recover++;
clear_bit(MLX5E_SQ_STATE_RECOVERING, &sq->state);
+ rtnl_lock();
mlx5e_activate_txqsq(sq);
+ rtnl_unlock();
+
if (sq->channel)
mlx5e_trigger_napi_icosq(sq->channel);
else
@@ -179,12 +182,16 @@ static int mlx5e_tx_reporter_ptpsq_unhealthy_recover(void *ctx)
carrier_ok = netif_carrier_ok(netdev);
netif_carrier_off(netdev);
+ rtnl_lock();
mlx5e_deactivate_priv_channels(priv);
+ rtnl_unlock();
mlx5e_ptp_close(chs->ptp);
err = mlx5e_ptp_open(priv, &chs->params, chs->c[0]->lag_port, &chs->ptp);
+ rtnl_lock();
mlx5e_activate_priv_channels(priv);
+ rtnl_unlock();
/* return carrier back if needed */
if (carrier_ok)
--
GitLab
From fef965764cf562f28afb997b626fc7c3cec99693 Mon Sep 17 00:00:00 2001
From: Carolina Jubran <cjubran@nvidia.com>
Date: Thu, 11 Apr 2024 14:54:44 +0300
Subject: [PATCH 2542/2686] net/mlx5e: Prevent deadlock while disabling aRFS
When disabling aRFS under the `priv->state_lock`, any scheduled
aRFS works are canceled using the `cancel_work_sync` function,
which waits for the work to end if it has already started.
However, while waiting for the work handler, the handler will
try to acquire the `state_lock` which is already acquired.
The worker acquires the lock to delete the rules if the state
is down, which is not the worker's responsibility since
disabling aRFS deletes the rules.
Add an aRFS state variable, which indicates whether the aRFS is
enabled and prevent adding rules when the aRFS is disabled.
Kernel log:
======================================================
WARNING: possible circular locking dependency detected
6.7.0-rc4_net_next_mlx5_5483eb2 #1 Tainted: G I
------------------------------------------------------
ethtool/386089 is trying to acquire lock:
ffff88810f21ce68 ((work_completion)(&rule->arfs_work)){+.+.}-{0:0}, at: __flush_work+0x74/0x4e0
but task is already holding lock:
ffff8884a1808cc0 (&priv->state_lock){+.+.}-{3:3}, at: mlx5e_ethtool_set_channels+0x53/0x200 [mlx5_core]
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&priv->state_lock){+.+.}-{3:3}:
__mutex_lock+0x80/0xc90
arfs_handle_work+0x4b/0x3b0 [mlx5_core]
process_one_work+0x1dc/0x4a0
worker_thread+0x1bf/0x3c0
kthread+0xd7/0x100
ret_from_fork+0x2d/0x50
ret_from_fork_asm+0x11/0x20
-> #0 ((work_completion)(&rule->arfs_work)){+.+.}-{0:0}:
__lock_acquire+0x17b4/0x2c80
lock_acquire+0xd0/0x2b0
__flush_work+0x7a/0x4e0
__cancel_work_timer+0x131/0x1c0
arfs_del_rules+0x143/0x1e0 [mlx5_core]
mlx5e_arfs_disable+0x1b/0x30 [mlx5_core]
mlx5e_ethtool_set_channels+0xcb/0x200 [mlx5_core]
ethnl_set_channels+0x28f/0x3b0
ethnl_default_set_doit+0xec/0x240
genl_family_rcv_msg_doit+0xd0/0x120
genl_rcv_msg+0x188/0x2c0
netlink_rcv_skb+0x54/0x100
genl_rcv+0x24/0x40
netlink_unicast+0x1a1/0x270
netlink_sendmsg+0x214/0x460
__sock_sendmsg+0x38/0x60
__sys_sendto+0x113/0x170
__x64_sys_sendto+0x20/0x30
do_syscall_64+0x40/0xe0
entry_SYSCALL_64_after_hwframe+0x46/0x4e
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&priv->state_lock);
lock((work_completion)(&rule->arfs_work));
lock(&priv->state_lock);
lock((work_completion)(&rule->arfs_work));
*** DEADLOCK ***
3 locks held by ethtool/386089:
#0: ffffffff82ea7210 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40
#1: ffffffff82e94c88 (rtnl_mutex){+.+.}-{3:3}, at: ethnl_default_set_doit+0xd3/0x240
#2: ffff8884a1808cc0 (&priv->state_lock){+.+.}-{3:3}, at: mlx5e_ethtool_set_channels+0x53/0x200 [mlx5_core]
stack backtrace:
CPU: 15 PID: 386089 Comm: ethtool Tainted: G I 6.7.0-rc4_net_next_mlx5_5483eb2 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x60/0xa0
check_noncircular+0x144/0x160
__lock_acquire+0x17b4/0x2c80
lock_acquire+0xd0/0x2b0
? __flush_work+0x74/0x4e0
? save_trace+0x3e/0x360
? __flush_work+0x74/0x4e0
__flush_work+0x7a/0x4e0
? __flush_work+0x74/0x4e0
? __lock_acquire+0xa78/0x2c80
? lock_acquire+0xd0/0x2b0
? mark_held_locks+0x49/0x70
__cancel_work_timer+0x131/0x1c0
? mark_held_locks+0x49/0x70
arfs_del_rules+0x143/0x1e0 [mlx5_core]
mlx5e_arfs_disable+0x1b/0x30 [mlx5_core]
mlx5e_ethtool_set_channels+0xcb/0x200 [mlx5_core]
ethnl_set_channels+0x28f/0x3b0
ethnl_default_set_doit+0xec/0x240
genl_family_rcv_msg_doit+0xd0/0x120
genl_rcv_msg+0x188/0x2c0
? ethnl_ops_begin+0xb0/0xb0
? genl_family_rcv_msg_dumpit+0xf0/0xf0
netlink_rcv_skb+0x54/0x100
genl_rcv+0x24/0x40
netlink_unicast+0x1a1/0x270
netlink_sendmsg+0x214/0x460
__sock_sendmsg+0x38/0x60
__sys_sendto+0x113/0x170
? do_user_addr_fault+0x53f/0x8f0
__x64_sys_sendto+0x20/0x30
do_syscall_64+0x40/0xe0
entry_SYSCALL_64_after_hwframe+0x46/0x4e
</TASK>
Fixes: 45bf454ae884 ("net/mlx5e: Enabling aRFS mechanism")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240411115444.374475-7-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
.../net/ethernet/mellanox/mlx5/core/en_arfs.c | 27 +++++++++++--------
1 file changed, 16 insertions(+), 11 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
index c7f542d0b8f08..93cf23278d93c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
@@ -46,6 +46,10 @@ struct arfs_table {
struct hlist_head rules_hash[ARFS_HASH_SIZE];
};
+enum {
+ MLX5E_ARFS_STATE_ENABLED,
+};
+
enum arfs_type {
ARFS_IPV4_TCP,
ARFS_IPV6_TCP,
@@ -60,6 +64,7 @@ struct mlx5e_arfs_tables {
spinlock_t arfs_lock;
int last_filter_id;
struct workqueue_struct *wq;
+ unsigned long state;
};
struct arfs_tuple {
@@ -170,6 +175,8 @@ int mlx5e_arfs_enable(struct mlx5e_flow_steering *fs)
return err;
}
}
+ set_bit(MLX5E_ARFS_STATE_ENABLED, &arfs->state);
+
return 0;
}
@@ -455,6 +462,8 @@ static void arfs_del_rules(struct mlx5e_flow_steering *fs)
int i;
int j;
+ clear_bit(MLX5E_ARFS_STATE_ENABLED, &arfs->state);
+
spin_lock_bh(&arfs->arfs_lock);
mlx5e_for_each_arfs_rule(rule, htmp, arfs->arfs_tables, i, j) {
hlist_del_init(&rule->hlist);
@@ -627,17 +636,8 @@ static void arfs_handle_work(struct work_struct *work)
struct mlx5_flow_handle *rule;
arfs = mlx5e_fs_get_arfs(priv->fs);
- mutex_lock(&priv->state_lock);
- if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
- spin_lock_bh(&arfs->arfs_lock);
- hlist_del(&arfs_rule->hlist);
- spin_unlock_bh(&arfs->arfs_lock);
-
- mutex_unlock(&priv->state_lock);
- kfree(arfs_rule);
- goto out;
- }
- mutex_unlock(&priv->state_lock);
+ if (!test_bit(MLX5E_ARFS_STATE_ENABLED, &arfs->state))
+ return;
if (!arfs_rule->rule) {
rule = arfs_add_rule(priv, arfs_rule);
@@ -753,6 +753,11 @@ int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
return -EPROTONOSUPPORT;
spin_lock_bh(&arfs->arfs_lock);
+ if (!test_bit(MLX5E_ARFS_STATE_ENABLED, &arfs->state)) {
+ spin_unlock_bh(&arfs->arfs_lock);
+ return -EPERM;
+ }
+
arfs_rule = arfs_find_rule(arfs_t, &fk);
if (arfs_rule) {
if (arfs_rule->rxq == rxq_index || work_busy(&arfs_rule->arfs_work)) {
--
GitLab
From 58caa786f1c02fd84919fb6db9eaecb22e8f7983 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 11 Apr 2024 17:47:42 -0400
Subject: [PATCH 2543/2686] bcachefs: Fix UAFs of btree_insert_entry array
The btree paths array is now dynamically resizable - and as well the
btree_insert_entries array, as it needs to be the same size.
The merge path (and interior update path) allocates new btree paths,
thus can trigger a resize; thus we need to not retain direct pointers
after invoking merge; similarly when running btree node triggers.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_trans_commit.c | 27 ++++++++++++++-------------
1 file changed, 14 insertions(+), 13 deletions(-)
diff --git a/fs/bcachefs/btree_trans_commit.c b/fs/bcachefs/btree_trans_commit.c
index aa9da49707404..9609ad370d71c 100644
--- a/fs/bcachefs/btree_trans_commit.c
+++ b/fs/bcachefs/btree_trans_commit.c
@@ -499,9 +499,8 @@ static int run_one_trans_trigger(struct btree_trans *trans, struct btree_insert_
}
static int run_btree_triggers(struct btree_trans *trans, enum btree_id btree_id,
- struct btree_insert_entry *btree_id_start)
+ unsigned btree_id_start)
{
- struct btree_insert_entry *i;
bool trans_trigger_run;
int ret, overwrite;
@@ -514,13 +513,13 @@ static int run_btree_triggers(struct btree_trans *trans, enum btree_id btree_id,
do {
trans_trigger_run = false;
- for (i = btree_id_start;
- i < trans->updates + trans->nr_updates && i->btree_id <= btree_id;
+ for (unsigned i = btree_id_start;
+ i < trans->nr_updates && trans->updates[i].btree_id <= btree_id;
i++) {
- if (i->btree_id != btree_id)
+ if (trans->updates[i].btree_id != btree_id)
continue;
- ret = run_one_trans_trigger(trans, i, overwrite);
+ ret = run_one_trans_trigger(trans, trans->updates + i, overwrite);
if (ret < 0)
return ret;
if (ret)
@@ -534,8 +533,7 @@ static int run_btree_triggers(struct btree_trans *trans, enum btree_id btree_id,
static int bch2_trans_commit_run_triggers(struct btree_trans *trans)
{
- struct btree_insert_entry *btree_id_start = trans->updates;
- unsigned btree_id = 0;
+ unsigned btree_id = 0, btree_id_start = 0;
int ret = 0;
/*
@@ -549,8 +547,8 @@ static int bch2_trans_commit_run_triggers(struct btree_trans *trans)
if (btree_id == BTREE_ID_alloc)
continue;
- while (btree_id_start < trans->updates + trans->nr_updates &&
- btree_id_start->btree_id < btree_id)
+ while (btree_id_start < trans->nr_updates &&
+ trans->updates[btree_id_start].btree_id < btree_id)
btree_id_start++;
ret = run_btree_triggers(trans, btree_id, btree_id_start);
@@ -558,11 +556,13 @@ static int bch2_trans_commit_run_triggers(struct btree_trans *trans)
return ret;
}
- trans_for_each_update(trans, i) {
+ for (unsigned idx = 0; idx < trans->nr_updates; idx++) {
+ struct btree_insert_entry *i = trans->updates + idx;
+
if (i->btree_id > BTREE_ID_alloc)
break;
if (i->btree_id == BTREE_ID_alloc) {
- ret = run_btree_triggers(trans, BTREE_ID_alloc, i);
+ ret = run_btree_triggers(trans, BTREE_ID_alloc, idx);
if (ret)
return ret;
break;
@@ -826,7 +826,8 @@ static inline int do_bch2_trans_commit(struct btree_trans *trans, unsigned flags
struct bch_fs *c = trans->c;
int ret = 0, u64s_delta = 0;
- trans_for_each_update(trans, i) {
+ for (unsigned idx = 0; idx < trans->nr_updates; idx++) {
+ struct btree_insert_entry *i = trans->updates + idx;
if (i->cached)
continue;
--
GitLab
From 031ad9e7dbd18c63e671fc4d98be3082189b8a63 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 11 Apr 2024 21:30:43 -0400
Subject: [PATCH 2544/2686] bcachefs: Check for packed bkeys that are too big
add missing validation; fixes assertion pop in bkey unpack
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/bkey.h | 6 ++++++
fs/bcachefs/btree_io.c | 15 ++++++++-------
2 files changed, 14 insertions(+), 7 deletions(-)
diff --git a/fs/bcachefs/bkey.h b/fs/bcachefs/bkey.h
index cf23ff47bed8b..3a45d128f608d 100644
--- a/fs/bcachefs/bkey.h
+++ b/fs/bcachefs/bkey.h
@@ -314,6 +314,12 @@ static inline unsigned bkeyp_key_u64s(const struct bkey_format *format,
return bkey_packed(k) ? format->key_u64s : BKEY_U64s;
}
+static inline bool bkeyp_u64s_valid(const struct bkey_format *f,
+ const struct bkey_packed *k)
+{
+ return ((unsigned) k->u64s - bkeyp_key_u64s(f, k) <= U8_MAX - BKEY_U64s);
+}
+
static inline unsigned bkeyp_key_bytes(const struct bkey_format *format,
const struct bkey_packed *k)
{
diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index d7de82ac38935..b1aaf0550644a 100644
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -831,7 +831,7 @@ static int bset_key_invalid(struct bch_fs *c, struct btree *b,
(rw == WRITE ? bch2_bkey_val_invalid(c, k, READ, err) : 0);
}
-static bool __bkey_valid(struct bch_fs *c, struct btree *b,
+static bool bkey_packed_valid(struct bch_fs *c, struct btree *b,
struct bset *i, struct bkey_packed *k)
{
if (bkey_p_next(k) > vstruct_last(i))
@@ -840,7 +840,7 @@ static bool __bkey_valid(struct bch_fs *c, struct btree *b,
if (k->format > KEY_FORMAT_CURRENT)
return false;
- if (k->u64s < bkeyp_key_u64s(&b->format, k))
+ if (!bkeyp_u64s_valid(&b->format, k))
return false;
struct printbuf buf = PRINTBUF;
@@ -884,11 +884,13 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
"invalid bkey format %u", k->format))
goto drop_this_key;
- if (btree_err_on(k->u64s < bkeyp_key_u64s(&b->format, k),
+ if (btree_err_on(!bkeyp_u64s_valid(&b->format, k),
-BCH_ERR_btree_node_read_err_fixable,
c, NULL, b, i,
btree_node_bkey_bad_u64s,
- "k->u64s too small (%u < %u)", k->u64s, bkeyp_key_u64s(&b->format, k)))
+ "bad k->u64s %u (min %u max %lu)", k->u64s,
+ bkeyp_key_u64s(&b->format, k),
+ U8_MAX - BKEY_U64s + bkeyp_key_u64s(&b->format, k)))
goto drop_this_key;
if (!write)
@@ -947,13 +949,12 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
* do
*/
- if (!__bkey_valid(c, b, i, (void *) ((u64 *) k + next_good_key))) {
+ if (!bkey_packed_valid(c, b, i, (void *) ((u64 *) k + next_good_key))) {
for (next_good_key = 1;
next_good_key < (u64 *) vstruct_last(i) - (u64 *) k;
next_good_key++)
- if (__bkey_valid(c, b, i, (void *) ((u64 *) k + next_good_key)))
+ if (bkey_packed_valid(c, b, i, (void *) ((u64 *) k + next_good_key)))
goto got_good_key;
-
}
/*
--
GitLab
From 87cb0239c87f608fd48fb50f9f53f129dcfd73f4 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 11 Apr 2024 23:38:07 -0400
Subject: [PATCH 2545/2686] bcachefs: btree node scan: handle encrypted nodes
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_node_scan.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/fs/bcachefs/btree_node_scan.c b/fs/bcachefs/btree_node_scan.c
index 556f76f5c84e1..20f2b37c4474c 100644
--- a/fs/bcachefs/btree_node_scan.c
+++ b/fs/bcachefs/btree_node_scan.c
@@ -133,9 +133,19 @@ static void try_read_btree_node(struct find_btree_nodes *f, struct bch_dev *ca,
if (le64_to_cpu(bn->magic) != bset_magic(c))
return;
+ if (bch2_csum_type_is_encryption(BSET_CSUM_TYPE(&bn->keys))) {
+ struct nonce nonce = btree_nonce(&bn->keys, 0);
+ unsigned bytes = (void *) &bn->keys - (void *) &bn->flags;
+
+ bch2_encrypt(c, BSET_CSUM_TYPE(&bn->keys), nonce, &bn->flags, bytes);
+ }
+
if (btree_id_is_alloc(BTREE_NODE_ID(bn)))
return;
+ if (BTREE_NODE_LEVEL(bn) >= BTREE_MAX_DEPTH)
+ return;
+
rcu_read_lock();
struct found_btree_node n = {
.btree_id = BTREE_NODE_ID(bn),
--
GitLab
From dc32c118ec6b1032693c489a0aa9e011f0acdb1a Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 11 Apr 2024 21:20:27 -0400
Subject: [PATCH 2546/2686] bcachefs: fix unsafety in bch2_extent_ptr_to_text()
Need to check if we have a valid bucket before checking if ptr is stale
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/extents.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/bcachefs/extents.c b/fs/bcachefs/extents.c
index 0e3ca99fbd2de..36d12d2adb81e 100644
--- a/fs/bcachefs/extents.c
+++ b/fs/bcachefs/extents.c
@@ -998,7 +998,9 @@ void bch2_extent_ptr_to_text(struct printbuf *out, struct bch_fs *c, const struc
prt_str(out, " cached");
if (ptr->unwritten)
prt_str(out, " unwritten");
- if (ca && ptr_stale(ca, ptr))
+ if (b >= ca->mi.first_bucket &&
+ b < ca->mi.nbuckets &&
+ ptr_stale(ca, ptr))
prt_printf(out, " stale");
}
}
--
GitLab
From 2aeed876d7c2c2fb4c6b92f59bdf7e73cfe5e098 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 11 Apr 2024 23:37:24 -0400
Subject: [PATCH 2547/2686] bcachefs: fix unsafety in bch2_stripe_to_text()
.to_text() functions need to work on key values that didn't pass .valid
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/ec.c | 46 +++++++++++++++++++++++++---------------------
fs/bcachefs/ec.h | 2 ++
2 files changed, 27 insertions(+), 21 deletions(-)
diff --git a/fs/bcachefs/ec.c b/fs/bcachefs/ec.c
index 082075244e16a..c0b2b2f180e01 100644
--- a/fs/bcachefs/ec.c
+++ b/fs/bcachefs/ec.c
@@ -131,29 +131,33 @@ int bch2_stripe_invalid(struct bch_fs *c, struct bkey_s_c k,
void bch2_stripe_to_text(struct printbuf *out, struct bch_fs *c,
struct bkey_s_c k)
{
- const struct bch_stripe *s = bkey_s_c_to_stripe(k).v;
- unsigned i, nr_data = s->nr_blocks - s->nr_redundant;
+ const struct bch_stripe *sp = bkey_s_c_to_stripe(k).v;
+ struct bch_stripe s = {};
+
+ memcpy(&s, sp, min(sizeof(s), bkey_val_bytes(k.k)));
+
+ unsigned nr_data = s.nr_blocks - s.nr_redundant;
prt_printf(out, "algo %u sectors %u blocks %u:%u csum %u gran %u",
- s->algorithm,
- le16_to_cpu(s->sectors),
- nr_data,
- s->nr_redundant,
- s->csum_type,
- 1U << s->csum_granularity_bits);
-
- for (i = 0; i < s->nr_blocks; i++) {
- const struct bch_extent_ptr *ptr = s->ptrs + i;
- struct bch_dev *ca = bch_dev_bkey_exists(c, ptr->dev);
- u32 offset;
- u64 b = sector_to_bucket_and_offset(ca, ptr->offset, &offset);
-
- prt_printf(out, " %u:%llu:%u", ptr->dev, b, offset);
- if (i < nr_data)
- prt_printf(out, "#%u", stripe_blockcount_get(s, i));
- prt_printf(out, " gen %u", ptr->gen);
- if (ptr_stale(ca, ptr))
- prt_printf(out, " stale");
+ s.algorithm,
+ le16_to_cpu(s.sectors),
+ nr_data,
+ s.nr_redundant,
+ s.csum_type,
+ 1U << s.csum_granularity_bits);
+
+ for (unsigned i = 0; i < s.nr_blocks; i++) {
+ const struct bch_extent_ptr *ptr = sp->ptrs + i;
+
+ if ((void *) ptr >= bkey_val_end(k))
+ break;
+
+ bch2_extent_ptr_to_text(out, c, ptr);
+
+ if (s.csum_type < BCH_CSUM_NR &&
+ i < nr_data &&
+ stripe_blockcount_offset(&s, i) < bkey_val_bytes(k.k))
+ prt_printf(out, "#%u", stripe_blockcount_get(sp, i));
}
}
diff --git a/fs/bcachefs/ec.h b/fs/bcachefs/ec.h
index f4369b02e805f..f042616888b0a 100644
--- a/fs/bcachefs/ec.h
+++ b/fs/bcachefs/ec.h
@@ -32,6 +32,8 @@ static inline unsigned stripe_csums_per_device(const struct bch_stripe *s)
static inline unsigned stripe_csum_offset(const struct bch_stripe *s,
unsigned dev, unsigned csum_idx)
{
+ EBUG_ON(s->csum_type >= BCH_CSUM_NR);
+
unsigned csum_bytes = bch_crc_bytes[s->csum_type];
return sizeof(struct bch_stripe) +
--
GitLab
From 7b4c4ccf848b359762c1525bab5a12f008f14a65 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 11 Apr 2024 23:58:36 -0400
Subject: [PATCH 2548/2686] bcachefs: fix race in bch2_btree_node_evict()
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_cache.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/bcachefs/btree_cache.c b/fs/bcachefs/btree_cache.c
index 84474324dba9b..c7f156320a35d 100644
--- a/fs/bcachefs/btree_cache.c
+++ b/fs/bcachefs/btree_cache.c
@@ -1148,6 +1148,8 @@ void bch2_btree_node_evict(struct btree_trans *trans, const struct bkey_i *k)
btree_node_lock_nopath_nofail(trans, &b->c, SIX_LOCK_intent);
btree_node_lock_nopath_nofail(trans, &b->c, SIX_LOCK_write);
+ if (unlikely(b->hash_val != btree_ptr_hash_val(k)))
+ goto out;
if (btree_node_dirty(b)) {
__bch2_btree_node_write(c, b, BTREE_WRITE_cache_reclaim);
@@ -1162,7 +1164,7 @@ void bch2_btree_node_evict(struct btree_trans *trans, const struct bkey_i *k)
btree_node_data_free(c, b);
bch2_btree_node_hash_remove(bc, b);
mutex_unlock(&bc->lock);
-
+out:
six_unlock_write(&b->c.lock);
six_unlock_intent(&b->c.lock);
}
--
GitLab
From ba8ed36e72033dd6b89d44145f323e6c4508bfc9 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 12 Apr 2024 00:09:08 -0400
Subject: [PATCH 2549/2686] bcachefs: don't queue btree nodes for rewrites
during scan
many nodes found during scan will be old nodes, overwritten by newer
nodes
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_io.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index b1aaf0550644a..9678b2375bedd 100644
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -1340,7 +1340,9 @@ static void btree_node_read_work(struct work_struct *work)
rb->start_time);
bio_put(&rb->bio);
- if (saw_error && !btree_node_read_error(b)) {
+ if (saw_error &&
+ !btree_node_read_error(b) &&
+ c->curr_recovery_pass != BCH_RECOVERY_PASS_scan_for_btree_nodes) {
printbuf_reset(&buf);
bch2_bpos_to_text(&buf, b->key.k.p);
bch_err_ratelimited(c, "%s: rewriting btree node at btree=%s level=%u %s due to error",
--
GitLab
From 9abb6dd7ce5a261f7aebf6f396b50a63db71133f Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 12 Apr 2024 15:17:00 -0400
Subject: [PATCH 2550/2686] bcachefs: Standardize helpers for printing enum
strs with bounds checks
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/bcachefs_format.h | 4 ++--
fs/bcachefs/buckets.h | 8 --------
fs/bcachefs/checksum.c | 23 ++++++++++++++---------
fs/bcachefs/checksum.h | 5 +++--
fs/bcachefs/compress.h | 8 --------
fs/bcachefs/ec.c | 14 ++++++--------
fs/bcachefs/extents.c | 7 ++++---
fs/bcachefs/journal_io.c | 17 +++++++++--------
fs/bcachefs/opts.c | 29 +++++++++++++++++++++++++----
fs/bcachefs/opts.h | 10 ++++++----
10 files changed, 69 insertions(+), 56 deletions(-)
diff --git a/fs/bcachefs/bcachefs_format.h b/fs/bcachefs/bcachefs_format.h
index 364ae42022af1..9480f1b44f071 100644
--- a/fs/bcachefs/bcachefs_format.h
+++ b/fs/bcachefs/bcachefs_format.h
@@ -1314,7 +1314,7 @@ static inline __u64 __bset_magic(struct bch_sb *sb)
x(write_buffer_keys, 11) \
x(datetime, 12)
-enum {
+enum bch_jset_entry_type {
#define x(f, nr) BCH_JSET_ENTRY_##f = nr,
BCH_JSET_ENTRY_TYPES()
#undef x
@@ -1360,7 +1360,7 @@ struct jset_entry_blacklist_v2 {
x(inodes, 1) \
x(key_version, 2)
-enum {
+enum bch_fs_usage_type {
#define x(f, nr) BCH_FS_USAGE_##f = nr,
BCH_FS_USAGE_TYPES()
#undef x
diff --git a/fs/bcachefs/buckets.h b/fs/bcachefs/buckets.h
index 00aaf4bb51397..f9af5adabe836 100644
--- a/fs/bcachefs/buckets.h
+++ b/fs/bcachefs/buckets.h
@@ -395,14 +395,6 @@ static inline const char *bch2_data_type_str(enum bch_data_type type)
: "(invalid data type)";
}
-static inline void bch2_prt_data_type(struct printbuf *out, enum bch_data_type type)
-{
- if (type < BCH_DATA_NR)
- prt_str(out, __bch2_data_types[type]);
- else
- prt_printf(out, "(invalid data type %u)", type);
-}
-
/* disk reservations: */
static inline void bch2_disk_reservation_put(struct bch_fs *c,
diff --git a/fs/bcachefs/checksum.c b/fs/bcachefs/checksum.c
index 4701457f6381c..7ed779b411f61 100644
--- a/fs/bcachefs/checksum.c
+++ b/fs/bcachefs/checksum.c
@@ -429,15 +429,20 @@ int bch2_rechecksum_bio(struct bch_fs *c, struct bio *bio,
extent_nonce(version, crc_old), bio);
if (bch2_crc_cmp(merged, crc_old.csum) && !c->opts.no_data_io) {
- bch_err(c, "checksum error in %s() (memory corruption or bug?)\n"
- "expected %0llx:%0llx got %0llx:%0llx (old type %s new type %s)",
- __func__,
- crc_old.csum.hi,
- crc_old.csum.lo,
- merged.hi,
- merged.lo,
- bch2_csum_types[crc_old.csum_type],
- bch2_csum_types[new_csum_type]);
+ struct printbuf buf = PRINTBUF;
+ prt_printf(&buf, "checksum error in %s() (memory corruption or bug?)\n"
+ "expected %0llx:%0llx got %0llx:%0llx (old type ",
+ __func__,
+ crc_old.csum.hi,
+ crc_old.csum.lo,
+ merged.hi,
+ merged.lo);
+ bch2_prt_csum_type(&buf, crc_old.csum_type);
+ prt_str(&buf, " new type ");
+ bch2_prt_csum_type(&buf, new_csum_type);
+ prt_str(&buf, ")");
+ bch_err(c, "%s", buf.buf);
+ printbuf_exit(&buf);
return -EIO;
}
diff --git a/fs/bcachefs/checksum.h b/fs/bcachefs/checksum.h
index 1b8c2c1016dc6..e40499fde9a40 100644
--- a/fs/bcachefs/checksum.h
+++ b/fs/bcachefs/checksum.h
@@ -61,11 +61,12 @@ static inline void bch2_csum_err_msg(struct printbuf *out,
struct bch_csum expected,
struct bch_csum got)
{
- prt_printf(out, "checksum error: got ");
+ prt_str(out, "checksum error, type ");
+ bch2_prt_csum_type(out, type);
+ prt_str(out, ": got ");
bch2_csum_to_text(out, type, got);
prt_str(out, " should be ");
bch2_csum_to_text(out, type, expected);
- prt_printf(out, " type %s", bch2_csum_types[type]);
}
int bch2_chacha_encrypt_key(struct bch_key *, struct nonce, void *, size_t);
diff --git a/fs/bcachefs/compress.h b/fs/bcachefs/compress.h
index 58c2eb45570ff..607fd5e232c90 100644
--- a/fs/bcachefs/compress.h
+++ b/fs/bcachefs/compress.h
@@ -47,14 +47,6 @@ static inline enum bch_compression_type bch2_compression_opt_to_type(unsigned v)
return __bch2_compression_opt_to_type[bch2_compression_decode(v).type];
}
-static inline void bch2_prt_compression_type(struct printbuf *out, enum bch_compression_type type)
-{
- if (type < BCH_COMPRESSION_TYPE_NR)
- prt_str(out, __bch2_compression_types[type]);
- else
- prt_printf(out, "(invalid compression type %u)", type);
-}
-
int bch2_bio_uncompress_inplace(struct bch_fs *, struct bio *,
struct bch_extent_crc_unpacked *);
int bch2_bio_uncompress(struct bch_fs *, struct bio *, struct bio *,
diff --git a/fs/bcachefs/ec.c b/fs/bcachefs/ec.c
index c0b2b2f180e01..556a217108d32 100644
--- a/fs/bcachefs/ec.c
+++ b/fs/bcachefs/ec.c
@@ -138,13 +138,13 @@ void bch2_stripe_to_text(struct printbuf *out, struct bch_fs *c,
unsigned nr_data = s.nr_blocks - s.nr_redundant;
- prt_printf(out, "algo %u sectors %u blocks %u:%u csum %u gran %u",
+ prt_printf(out, "algo %u sectors %u blocks %u:%u csum ",
s.algorithm,
le16_to_cpu(s.sectors),
nr_data,
- s.nr_redundant,
- s.csum_type,
- 1U << s.csum_granularity_bits);
+ s.nr_redundant);
+ bch2_prt_csum_type(out, s.csum_type);
+ prt_printf(out, " gran %u", 1U << s.csum_granularity_bits);
for (unsigned i = 0; i < s.nr_blocks; i++) {
const struct bch_extent_ptr *ptr = sp->ptrs + i;
@@ -611,10 +611,8 @@ static void ec_validate_checksums(struct bch_fs *c, struct ec_stripe_buf *buf)
struct printbuf err = PRINTBUF;
struct bch_dev *ca = bch_dev_bkey_exists(c, v->ptrs[i].dev);
- prt_printf(&err, "stripe checksum error: expected %0llx:%0llx got %0llx:%0llx (type %s)\n",
- want.hi, want.lo,
- got.hi, got.lo,
- bch2_csum_types[v->csum_type]);
+ prt_str(&err, "stripe ");
+ bch2_csum_err_msg(&err, v->csum_type, want, got);
prt_printf(&err, " for %ps at %u of\n ", (void *) _RET_IP_, i);
bch2_bkey_val_to_text(&err, c, bkey_i_to_s_c(&buf->key));
bch_err_ratelimited(ca, "%s", err.buf);
diff --git a/fs/bcachefs/extents.c b/fs/bcachefs/extents.c
index 36d12d2adb81e..1a331e5392048 100644
--- a/fs/bcachefs/extents.c
+++ b/fs/bcachefs/extents.c
@@ -1030,11 +1030,12 @@ void bch2_bkey_ptrs_to_text(struct printbuf *out, struct bch_fs *c,
struct bch_extent_crc_unpacked crc =
bch2_extent_crc_unpack(k.k, entry_to_crc(entry));
- prt_printf(out, "crc: c_size %u size %u offset %u nonce %u csum %s compress ",
+ prt_printf(out, "crc: c_size %u size %u offset %u nonce %u csum ",
crc.compressed_size,
crc.uncompressed_size,
- crc.offset, crc.nonce,
- bch2_csum_types[crc.csum_type]);
+ crc.offset, crc.nonce);
+ bch2_prt_csum_type(out, crc.csum_type);
+ prt_str(out, " compress ");
bch2_prt_compression_type(out, crc.compression_type);
break;
}
diff --git a/fs/bcachefs/journal_io.c b/fs/bcachefs/journal_io.c
index 725fcf46f6312..9aa28b52ab926 100644
--- a/fs/bcachefs/journal_io.c
+++ b/fs/bcachefs/journal_io.c
@@ -247,7 +247,7 @@ static void journal_entry_err_msg(struct printbuf *out,
if (entry) {
prt_str(out, " type=");
- prt_str(out, bch2_jset_entry_types[entry->type]);
+ bch2_prt_jset_entry_type(out, entry->type);
}
if (!jset) {
@@ -403,7 +403,8 @@ static void journal_entry_btree_keys_to_text(struct printbuf *out, struct bch_fs
jset_entry_for_each_key(entry, k) {
if (!first) {
prt_newline(out);
- prt_printf(out, "%s: ", bch2_jset_entry_types[entry->type]);
+ bch2_prt_jset_entry_type(out, entry->type);
+ prt_str(out, ": ");
}
prt_printf(out, "btree=%s l=%u ", bch2_btree_id_str(entry->btree_id), entry->level);
bch2_bkey_val_to_text(out, c, bkey_i_to_s_c(k));
@@ -563,9 +564,9 @@ static void journal_entry_usage_to_text(struct printbuf *out, struct bch_fs *c,
struct jset_entry_usage *u =
container_of(entry, struct jset_entry_usage, entry);
- prt_printf(out, "type=%s v=%llu",
- bch2_fs_usage_types[u->entry.btree_id],
- le64_to_cpu(u->v));
+ prt_str(out, "type=");
+ bch2_prt_fs_usage_type(out, u->entry.btree_id);
+ prt_printf(out, " v=%llu", le64_to_cpu(u->v));
}
static int journal_entry_data_usage_validate(struct bch_fs *c,
@@ -827,11 +828,11 @@ int bch2_journal_entry_validate(struct bch_fs *c,
void bch2_journal_entry_to_text(struct printbuf *out, struct bch_fs *c,
struct jset_entry *entry)
{
+ bch2_prt_jset_entry_type(out, entry->type);
+
if (entry->type < BCH_JSET_ENTRY_NR) {
- prt_printf(out, "%s: ", bch2_jset_entry_types[entry->type]);
+ prt_str(out, ": ");
bch2_jset_entry_ops[entry->type].to_text(out, c, entry);
- } else {
- prt_printf(out, "(unknown type %u)", entry->type);
}
}
diff --git a/fs/bcachefs/opts.c b/fs/bcachefs/opts.c
index e1800c4119b5f..bb068fd724656 100644
--- a/fs/bcachefs/opts.c
+++ b/fs/bcachefs/opts.c
@@ -43,7 +43,7 @@ const char * const __bch2_btree_ids[] = {
NULL
};
-const char * const bch2_csum_types[] = {
+static const char * const __bch2_csum_types[] = {
BCH_CSUM_TYPES()
NULL
};
@@ -53,7 +53,7 @@ const char * const bch2_csum_opts[] = {
NULL
};
-const char * const __bch2_compression_types[] = {
+static const char * const __bch2_compression_types[] = {
BCH_COMPRESSION_TYPES()
NULL
};
@@ -83,18 +83,39 @@ const char * const bch2_member_states[] = {
NULL
};
-const char * const bch2_jset_entry_types[] = {
+static const char * const __bch2_jset_entry_types[] = {
BCH_JSET_ENTRY_TYPES()
NULL
};
-const char * const bch2_fs_usage_types[] = {
+static const char * const __bch2_fs_usage_types[] = {
BCH_FS_USAGE_TYPES()
NULL
};
#undef x
+static void prt_str_opt_boundscheck(struct printbuf *out, const char * const opts[],
+ unsigned nr, const char *type, unsigned idx)
+{
+ if (idx < nr)
+ prt_str(out, opts[idx]);
+ else
+ prt_printf(out, "(unknown %s %u)", type, idx);
+}
+
+#define PRT_STR_OPT_BOUNDSCHECKED(name, type) \
+void bch2_prt_##name(struct printbuf *out, type t) \
+{ \
+ prt_str_opt_boundscheck(out, __bch2_##name##s, ARRAY_SIZE(__bch2_##name##s) - 1, #name, t);\
+}
+
+PRT_STR_OPT_BOUNDSCHECKED(jset_entry_type, enum bch_jset_entry_type);
+PRT_STR_OPT_BOUNDSCHECKED(fs_usage_type, enum bch_fs_usage_type);
+PRT_STR_OPT_BOUNDSCHECKED(data_type, enum bch_data_type);
+PRT_STR_OPT_BOUNDSCHECKED(csum_type, enum bch_csum_type);
+PRT_STR_OPT_BOUNDSCHECKED(compression_type, enum bch_compression_type);
+
static int bch2_opt_fix_errors_parse(struct bch_fs *c, const char *val, u64 *res,
struct printbuf *err)
{
diff --git a/fs/bcachefs/opts.h b/fs/bcachefs/opts.h
index 1ac4135cca1c3..84e452835a17d 100644
--- a/fs/bcachefs/opts.h
+++ b/fs/bcachefs/opts.h
@@ -16,18 +16,20 @@ extern const char * const bch2_version_upgrade_opts[];
extern const char * const bch2_sb_features[];
extern const char * const bch2_sb_compat[];
extern const char * const __bch2_btree_ids[];
-extern const char * const bch2_csum_types[];
extern const char * const bch2_csum_opts[];
-extern const char * const __bch2_compression_types[];
extern const char * const bch2_compression_opts[];
extern const char * const bch2_str_hash_types[];
extern const char * const bch2_str_hash_opts[];
extern const char * const __bch2_data_types[];
extern const char * const bch2_member_states[];
-extern const char * const bch2_jset_entry_types[];
-extern const char * const bch2_fs_usage_types[];
extern const char * const bch2_d_types[];
+void bch2_prt_jset_entry_type(struct printbuf *, enum bch_jset_entry_type);
+void bch2_prt_fs_usage_type(struct printbuf *, enum bch_fs_usage_type);
+void bch2_prt_data_type(struct printbuf *, enum bch_data_type);
+void bch2_prt_csum_type(struct printbuf *, enum bch_csum_type);
+void bch2_prt_compression_type(struct printbuf *, enum bch_compression_type);
+
static inline const char *bch2_d_type_str(unsigned d_type)
{
return (d_type < BCH_DT_MAX ? bch2_d_types[d_type] : NULL) ?: "(bad d_type)";
--
GitLab
From 4518e80adfdbfdec1cc79c98bc73677ff44d96bd Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 12 Apr 2024 14:05:36 -0400
Subject: [PATCH 2551/2686] bcachefs: Go rw if running any explicit recovery
passes
This fixes a bug where we fail to start when upgrading/downgrading
because we forgot we needed to go rw.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/recovery_passes.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/bcachefs/recovery_passes.c b/fs/bcachefs/recovery_passes.c
index cb501460d6152..0cec0f7d97035 100644
--- a/fs/bcachefs/recovery_passes.c
+++ b/fs/bcachefs/recovery_passes.c
@@ -44,7 +44,7 @@ static int bch2_set_may_go_rw(struct bch_fs *c)
set_bit(BCH_FS_may_go_rw, &c->flags);
- if (keys->nr || c->opts.fsck || !c->sb.clean)
+ if (keys->nr || c->opts.fsck || !c->sb.clean || c->recovery_passes_explicit)
return bch2_fs_read_write_early(c);
return 0;
}
--
GitLab
From 82cf18f23e1ae17053983e325e550194f947e1f1 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 12 Apr 2024 21:07:05 -0400
Subject: [PATCH 2552/2686] bcachefs: Fix deadlock in journal replay
btree_key_can_insert_cached() should be checking the watermark -
BCH_TRANS_COMMIT_journal_replay really means nonblocking mode when
watermark < reclaim, it was being used incorrectly.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_trans_commit.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/fs/bcachefs/btree_trans_commit.c b/fs/bcachefs/btree_trans_commit.c
index 9609ad370d71c..bbec91e8e6506 100644
--- a/fs/bcachefs/btree_trans_commit.c
+++ b/fs/bcachefs/btree_trans_commit.c
@@ -397,12 +397,13 @@ static int btree_key_can_insert_cached(struct btree_trans *trans, unsigned flags
struct bkey_cached *ck = (void *) path->l[0].b;
unsigned new_u64s;
struct bkey_i *new_k;
+ unsigned watermark = flags & BCH_WATERMARK_MASK;
EBUG_ON(path->level);
- if (!test_bit(BKEY_CACHED_DIRTY, &ck->flags) &&
- bch2_btree_key_cache_must_wait(c) &&
- !(flags & BCH_TRANS_COMMIT_journal_reclaim))
+ if (watermark < BCH_WATERMARK_reclaim &&
+ !test_bit(BKEY_CACHED_DIRTY, &ck->flags) &&
+ bch2_btree_key_cache_must_wait(c))
return -BCH_ERR_btree_insert_need_journal_reclaim;
/*
--
GitLab
From 9e203c43dc1cbaefb3888ee0ba885b2d20d47526 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 13 Apr 2024 00:26:01 -0400
Subject: [PATCH 2553/2686] bcachefs: Fix missing write refs in fs fio paths
bch2_journal_flush_seq requires us to have a write ref
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/bcachefs.h | 2 ++
fs/bcachefs/fs-io-direct.c | 19 +++++++++++++------
fs/bcachefs/fs-io.c | 16 ++++++++--------
3 files changed, 23 insertions(+), 14 deletions(-)
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index a31a5f706929e..91c3c1fef233d 100644
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -709,6 +709,8 @@ struct btree_trans_buf {
x(stripe_delete) \
x(reflink) \
x(fallocate) \
+ x(fsync) \
+ x(dio_write) \
x(discard) \
x(discard_fast) \
x(invalidate) \
diff --git a/fs/bcachefs/fs-io-direct.c b/fs/bcachefs/fs-io-direct.c
index f49e6c0f0f683..b889370a50881 100644
--- a/fs/bcachefs/fs-io-direct.c
+++ b/fs/bcachefs/fs-io-direct.c
@@ -387,6 +387,8 @@ static __always_inline long bch2_dio_write_done(struct dio_write *dio)
ret = dio->op.error ?: ((long) dio->written << 9);
bio_put(&dio->op.wbio.bio);
+ bch2_write_ref_put(dio->op.c, BCH_WRITE_REF_dio_write);
+
/* inode->i_dio_count is our ref on inode and thus bch_fs */
inode_dio_end(&inode->v);
@@ -590,22 +592,25 @@ ssize_t bch2_direct_write(struct kiocb *req, struct iov_iter *iter)
prefetch(&inode->ei_inode);
prefetch((void *) &inode->ei_inode + 64);
+ if (!bch2_write_ref_tryget(c, BCH_WRITE_REF_dio_write))
+ return -EROFS;
+
inode_lock(&inode->v);
ret = generic_write_checks(req, iter);
if (unlikely(ret <= 0))
- goto err;
+ goto err_put_write_ref;
ret = file_remove_privs(file);
if (unlikely(ret))
- goto err;
+ goto err_put_write_ref;
ret = file_update_time(file);
if (unlikely(ret))
- goto err;
+ goto err_put_write_ref;
if (unlikely((req->ki_pos|iter->count) & (block_bytes(c) - 1)))
- goto err;
+ goto err_put_write_ref;
inode_dio_begin(&inode->v);
bch2_pagecache_block_get(inode);
@@ -645,7 +650,7 @@ ssize_t bch2_direct_write(struct kiocb *req, struct iov_iter *iter)
}
ret = bch2_dio_write_loop(dio);
-err:
+out:
if (locked)
inode_unlock(&inode->v);
return ret;
@@ -653,7 +658,9 @@ ssize_t bch2_direct_write(struct kiocb *req, struct iov_iter *iter)
bch2_pagecache_block_put(inode);
bio_put(bio);
inode_dio_end(&inode->v);
- goto err;
+err_put_write_ref:
+ bch2_write_ref_put(c, BCH_WRITE_REF_dio_write);
+ goto out;
}
void bch2_fs_fs_io_direct_exit(struct bch_fs *c)
diff --git a/fs/bcachefs/fs-io.c b/fs/bcachefs/fs-io.c
index 8c70123b6a0c8..20b40477425f4 100644
--- a/fs/bcachefs/fs-io.c
+++ b/fs/bcachefs/fs-io.c
@@ -174,18 +174,18 @@ void __bch2_i_sectors_acct(struct bch_fs *c, struct bch_inode_info *inode,
static int bch2_flush_inode(struct bch_fs *c,
struct bch_inode_info *inode)
{
- struct bch_inode_unpacked u;
- int ret;
-
if (c->opts.journal_flush_disabled)
return 0;
- ret = bch2_inode_find_by_inum(c, inode_inum(inode), &u);
- if (ret)
- return ret;
+ if (!bch2_write_ref_tryget(c, BCH_WRITE_REF_fsync))
+ return -EROFS;
- return bch2_journal_flush_seq(&c->journal, u.bi_journal_seq) ?:
- bch2_inode_flush_nocow_writes(c, inode);
+ struct bch_inode_unpacked u;
+ int ret = bch2_inode_find_by_inum(c, inode_inum(inode), &u) ?:
+ bch2_journal_flush_seq(&c->journal, u.bi_journal_seq) ?:
+ bch2_inode_flush_nocow_writes(c, inode);
+ bch2_write_ref_put(c, BCH_WRITE_REF_fsync);
+ return ret;
}
int bch2_fsync(struct file *file, loff_t start, loff_t end, int datasync)
--
GitLab
From 9054ef2ea944528b7935d0ce3f540d4dc0bc37ba Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 13 Apr 2024 16:13:13 -0400
Subject: [PATCH 2554/2686] bcachefs: Run merges at BCH_WATERMARK_btree
This fixes a deadlock where the interior update path during journal
replay ends up doing a ton of merges on the backpointers btree, and
deadlocking.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_update_interior.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 29a5bc7d87898..1a7537ee43297 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -1926,6 +1926,8 @@ int __bch2_foreground_maybe_merge(struct btree_trans *trans,
BUG_ON(!trans->paths[path].should_be_locked);
BUG_ON(!btree_node_locked(&trans->paths[path], level));
+ flags &= ~BCH_WATERMARK_MASK;
+
b = trans->paths[path].l[level].b;
if ((sib == btree_prev_sib && bpos_eq(b->data->min_key, POS_MIN)) ||
@@ -2071,6 +2073,10 @@ int __bch2_foreground_maybe_merge(struct btree_trans *trans,
bch2_path_put(trans, new_path, true);
bch2_path_put(trans, sib_path, true);
bch2_trans_verify_locks(trans);
+ if (ret == -BCH_ERR_journal_reclaim_would_deadlock)
+ ret = 0;
+ if (!ret)
+ ret = bch2_trans_relock(trans);
return ret;
err_free_update:
bch2_btree_node_free_never_used(as, trans, n);
--
GitLab
From 3f10048973c8366e27147d72bf3fd8d0e1d929f2 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 13 Apr 2024 18:39:03 -0400
Subject: [PATCH 2555/2686] bcachefs: Disable merges from interior update path
There's been a bug in the btree write buffer where it wasn't triggering
btree node merges - and leaving behind a bunch of nearly empty btree
nodes.
Then during journal replay, when updates to the backpointers btree
aren't using the btree write buffer (because we require synchronization
with journal replay), we end up doing those merges all at once.
Then if it's the interior update path running them, we deadlock because
those run with the highest watermark.
There's no real need for the interior update path to be doing btree node
merges; other code paths can handle that at lower watermarks.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_update_interior.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 1a7537ee43297..82ac00aa0f7b0 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -1926,6 +1926,16 @@ int __bch2_foreground_maybe_merge(struct btree_trans *trans,
BUG_ON(!trans->paths[path].should_be_locked);
BUG_ON(!btree_node_locked(&trans->paths[path], level));
+ /*
+ * Work around a deadlock caused by the btree write buffer not doing
+ * merges and leaving tons of merges for us to do - we really don't need
+ * to be doing merges at all from the interior update path, and if the
+ * interior update path is generating too many new interior updates we
+ * deadlock:
+ */
+ if ((flags & BCH_WATERMARK_MASK) == BCH_WATERMARK_interior_updates)
+ return 0;
+
flags &= ~BCH_WATERMARK_MASK;
b = trans->paths[path].l[level].b;
--
GitLab
From 86dbf8c566417afd62087ecd3bedcf84f91ee4e4 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 26 Dec 2023 22:42:34 -0500
Subject: [PATCH 2556/2686] bcachefs: Fix btree node merging on write buffer
btrees
The btree write buffer flush fastpath that avoids the main transaction
commit path had the unfortunate side effect of not doing btree node
merging.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_write_buffer.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/fs/bcachefs/btree_write_buffer.c b/fs/bcachefs/btree_write_buffer.c
index baf63e2fddb64..36a6f42aba5e6 100644
--- a/fs/bcachefs/btree_write_buffer.c
+++ b/fs/bcachefs/btree_write_buffer.c
@@ -316,6 +316,16 @@ static int bch2_btree_write_buffer_flush_locked(struct btree_trans *trans)
bpos_gt(k->k.k.p, path->l[0].b->key.k.p)) {
bch2_btree_node_unlock_write(trans, path, path->l[0].b);
write_locked = false;
+
+ ret = lockrestart_do(trans,
+ bch2_btree_iter_traverse(&iter) ?:
+ bch2_foreground_maybe_merge(trans, iter.path, 0,
+ BCH_WATERMARK_reclaim|
+ BCH_TRANS_COMMIT_journal_reclaim|
+ BCH_TRANS_COMMIT_no_check_rw|
+ BCH_TRANS_COMMIT_no_enospc));
+ if (ret)
+ goto err;
}
}
@@ -382,10 +392,10 @@ static int bch2_btree_write_buffer_flush_locked(struct btree_trans *trans)
ret = commit_do(trans, NULL, NULL,
BCH_WATERMARK_reclaim|
+ BCH_TRANS_COMMIT_journal_reclaim|
BCH_TRANS_COMMIT_no_check_rw|
BCH_TRANS_COMMIT_no_enospc|
- BCH_TRANS_COMMIT_no_journal_res|
- BCH_TRANS_COMMIT_journal_reclaim,
+ BCH_TRANS_COMMIT_no_journal_res ,
btree_write_buffered_insert(trans, i));
if (ret)
goto err;
--
GitLab
From 69129794d94c544810e68b2b4eaa7e44063f9bf2 Mon Sep 17 00:00:00 2001
From: Josh Poimboeuf <jpoimboe@kernel.org>
Date: Fri, 12 Apr 2024 11:10:33 -0700
Subject: [PATCH 2557/2686] x86/bugs: Fix BHI retpoline check
Confusingly, X86_FEATURE_RETPOLINE doesn't mean retpolines are enabled,
as it also includes the original "AMD retpoline" which isn't a retpoline
at all.
Also replace cpu_feature_enabled() with boot_cpu_has() because this is
before alternatives are patched and cpu_feature_enabled()'s fallback
path is slower than plain old boot_cpu_has().
Fixes: ec9404e40e8f ("x86/bhi: Add BHI mitigation knob")
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/ad3807424a3953f0323c011a643405619f2a4927.1712944776.git.jpoimboe@kernel.org
---
arch/x86/kernel/cpu/bugs.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index ca295b0c1eeee..ab18185894dfd 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -1652,7 +1652,8 @@ static void __init bhi_select_mitigation(void)
return;
/* Retpoline mitigates against BHI unless the CPU has RRSBA behavior */
- if (cpu_feature_enabled(X86_FEATURE_RETPOLINE)) {
+ if (boot_cpu_has(X86_FEATURE_RETPOLINE) &&
+ !boot_cpu_has(X86_FEATURE_RETPOLINE_LFENCE)) {
spec_ctrl_disable_kernel_rrsba();
if (rrsba_disabled)
return;
@@ -2804,11 +2805,13 @@ static const char *spectre_bhi_state(void)
{
if (!boot_cpu_has_bug(X86_BUG_BHI))
return "; BHI: Not affected";
- else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_HW))
+ else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_HW))
return "; BHI: BHI_DIS_S";
- else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP))
+ else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP))
return "; BHI: SW loop, KVM: SW loop";
- else if (boot_cpu_has(X86_FEATURE_RETPOLINE) && rrsba_disabled)
+ else if (boot_cpu_has(X86_FEATURE_RETPOLINE) &&
+ !boot_cpu_has(X86_FEATURE_RETPOLINE_LFENCE) &&
+ rrsba_disabled)
return "; BHI: Retpoline";
else if (boot_cpu_has(X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT))
return "; BHI: Vulnerable, KVM: SW loop";
--
GitLab
From 16b52bbee4823b01ab7fe3919373c981a38f3797 Mon Sep 17 00:00:00 2001
From: Amir Goldstein <amir73il@gmail.com>
Date: Fri, 5 Apr 2024 17:56:35 +0300
Subject: [PATCH 2558/2686] kernfs: annotate different lockdep class for
of->mutex of writable files
The writable file /sys/power/resume may call vfs lookup helpers for
arbitrary paths and readonly files can be read by overlayfs from vfs
helpers when sysfs is a lower layer of overalyfs.
To avoid a lockdep warning of circular dependency between overlayfs
inode lock and kernfs of->mutex, use a different lockdep class for
writable and readonly kernfs files.
Reported-by: syzbot+9a5b0ced8b1bfb238b56@syzkaller.appspotmail.com
Fixes: 0fedefd4c4e3 ("kernfs: sysfs: support custom llseek method for sysfs entries")
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/kernfs/file.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c
index e9df2f87072c6..8502ef68459b9 100644
--- a/fs/kernfs/file.c
+++ b/fs/kernfs/file.c
@@ -636,11 +636,18 @@ static int kernfs_fop_open(struct inode *inode, struct file *file)
* each file a separate locking class. Let's differentiate on
* whether the file has mmap or not for now.
*
- * Both paths of the branch look the same. They're supposed to
+ * For similar reasons, writable and readonly files are given different
+ * lockdep key, because the writable file /sys/power/resume may call vfs
+ * lookup helpers for arbitrary paths and readonly files can be read by
+ * overlayfs from vfs helpers when sysfs is a lower layer of overalyfs.
+ *
+ * All three cases look the same. They're supposed to
* look that way and give @of->mutex different static lockdep keys.
*/
if (has_mmap)
mutex_init(&of->mutex);
+ else if (file->f_mode & FMODE_WRITE)
+ mutex_init(&of->mutex);
else
mutex_init(&of->mutex);
--
GitLab
From 89f9a1e876b5a7ad884918c03a46831af202c8a0 Mon Sep 17 00:00:00 2001
From: Qiang Zhang <qiang4.zhang@intel.com>
Date: Sun, 14 Apr 2024 19:49:45 +0800
Subject: [PATCH 2559/2686] bootconfig: use memblock_free_late to free xbc
memory to buddy
On the time to free xbc memory in xbc_exit(), memblock may has handed
over memory to buddy allocator. So it doesn't make sense to free memory
back to memblock. memblock_free() called by xbc_exit() even causes UAF bugs
on architectures with CONFIG_ARCH_KEEP_MEMBLOCK disabled like x86.
Following KASAN logs shows this case.
This patch fixes the xbc memory free problem by calling memblock_free()
in early xbc init error rewind path and calling memblock_free_late() in
xbc exit path to free memory to buddy allocator.
[ 9.410890] ==================================================================
[ 9.418962] BUG: KASAN: use-after-free in memblock_isolate_range+0x12d/0x260
[ 9.426850] Read of size 8 at addr ffff88845dd30000 by task swapper/0/1
[ 9.435901] CPU: 9 PID: 1 Comm: swapper/0 Tainted: G U 6.9.0-rc3-00208-g586b5dfb51b9 #5
[ 9.446403] Hardware name: Intel Corporation RPLP LP5 (CPU:RaptorLake)/RPLP LP5 (ID:13), BIOS IRPPN02.01.01.00.00.19.015.D-00000000 Dec 28 2023
[ 9.460789] Call Trace:
[ 9.463518] <TASK>
[ 9.465859] dump_stack_lvl+0x53/0x70
[ 9.469949] print_report+0xce/0x610
[ 9.473944] ? __virt_addr_valid+0xf5/0x1b0
[ 9.478619] ? memblock_isolate_range+0x12d/0x260
[ 9.483877] kasan_report+0xc6/0x100
[ 9.487870] ? memblock_isolate_range+0x12d/0x260
[ 9.493125] memblock_isolate_range+0x12d/0x260
[ 9.498187] memblock_phys_free+0xb4/0x160
[ 9.502762] ? __pfx_memblock_phys_free+0x10/0x10
[ 9.508021] ? mutex_unlock+0x7e/0xd0
[ 9.512111] ? __pfx_mutex_unlock+0x10/0x10
[ 9.516786] ? kernel_init_freeable+0x2d4/0x430
[ 9.521850] ? __pfx_kernel_init+0x10/0x10
[ 9.526426] xbc_exit+0x17/0x70
[ 9.529935] kernel_init+0x38/0x1e0
[ 9.533829] ? _raw_spin_unlock_irq+0xd/0x30
[ 9.538601] ret_from_fork+0x2c/0x50
[ 9.542596] ? __pfx_kernel_init+0x10/0x10
[ 9.547170] ret_from_fork_asm+0x1a/0x30
[ 9.551552] </TASK>
[ 9.555649] The buggy address belongs to the physical page:
[ 9.561875] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x45dd30
[ 9.570821] flags: 0x200000000000000(node=0|zone=2)
[ 9.576271] page_type: 0xffffffff()
[ 9.580167] raw: 0200000000000000 ffffea0011774c48 ffffea0012ba1848 0000000000000000
[ 9.588823] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
[ 9.597476] page dumped because: kasan: bad access detected
[ 9.605362] Memory state around the buggy address:
[ 9.610714] ffff88845dd2ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 9.618786] ffff88845dd2ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 9.626857] >ffff88845dd30000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 9.634930] ^
[ 9.638534] ffff88845dd30080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 9.646605] ffff88845dd30100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 9.654675] ==================================================================
Link: https://lore.kernel.org/all/20240414114944.1012359-1-qiang4.zhang@linux.intel.com/
Fixes: 40caa127f3c7 ("init: bootconfig: Remove all bootconfig data when the init memory is removed")
Cc: Stable@vger.kernel.org
Signed-off-by: Qiang Zhang <qiang4.zhang@intel.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---
include/linux/bootconfig.h | 7 ++++++-
lib/bootconfig.c | 19 +++++++++++--------
2 files changed, 17 insertions(+), 9 deletions(-)
diff --git a/include/linux/bootconfig.h b/include/linux/bootconfig.h
index e5ee2c694401e..3f4b4ac527ca2 100644
--- a/include/linux/bootconfig.h
+++ b/include/linux/bootconfig.h
@@ -288,7 +288,12 @@ int __init xbc_init(const char *buf, size_t size, const char **emsg, int *epos);
int __init xbc_get_info(int *node_size, size_t *data_size);
/* XBC cleanup data structures */
-void __init xbc_exit(void);
+void __init _xbc_exit(bool early);
+
+static inline void xbc_exit(void)
+{
+ _xbc_exit(false);
+}
/* XBC embedded bootconfig data in kernel */
#ifdef CONFIG_BOOT_CONFIG_EMBED
diff --git a/lib/bootconfig.c b/lib/bootconfig.c
index c59d26068a640..8841554432d5b 100644
--- a/lib/bootconfig.c
+++ b/lib/bootconfig.c
@@ -61,9 +61,12 @@ static inline void * __init xbc_alloc_mem(size_t size)
return memblock_alloc(size, SMP_CACHE_BYTES);
}
-static inline void __init xbc_free_mem(void *addr, size_t size)
+static inline void __init xbc_free_mem(void *addr, size_t size, bool early)
{
- memblock_free(addr, size);
+ if (early)
+ memblock_free(addr, size);
+ else if (addr)
+ memblock_free_late(__pa(addr), size);
}
#else /* !__KERNEL__ */
@@ -73,7 +76,7 @@ static inline void *xbc_alloc_mem(size_t size)
return malloc(size);
}
-static inline void xbc_free_mem(void *addr, size_t size)
+static inline void xbc_free_mem(void *addr, size_t size, bool early)
{
free(addr);
}
@@ -904,13 +907,13 @@ static int __init xbc_parse_tree(void)
* If you need to reuse xbc_init() with new boot config, you can
* use this.
*/
-void __init xbc_exit(void)
+void __init _xbc_exit(bool early)
{
- xbc_free_mem(xbc_data, xbc_data_size);
+ xbc_free_mem(xbc_data, xbc_data_size, early);
xbc_data = NULL;
xbc_data_size = 0;
xbc_node_num = 0;
- xbc_free_mem(xbc_nodes, sizeof(struct xbc_node) * XBC_NODE_MAX);
+ xbc_free_mem(xbc_nodes, sizeof(struct xbc_node) * XBC_NODE_MAX, early);
xbc_nodes = NULL;
brace_index = 0;
}
@@ -963,7 +966,7 @@ int __init xbc_init(const char *data, size_t size, const char **emsg, int *epos)
if (!xbc_nodes) {
if (emsg)
*emsg = "Failed to allocate bootconfig nodes";
- xbc_exit();
+ _xbc_exit(true);
return -ENOMEM;
}
memset(xbc_nodes, 0, sizeof(struct xbc_node) * XBC_NODE_MAX);
@@ -977,7 +980,7 @@ int __init xbc_init(const char *data, size_t size, const char **emsg, int *epos)
*epos = xbc_err_pos;
if (emsg)
*emsg = xbc_err_msg;
- xbc_exit();
+ _xbc_exit(true);
} else
ret = xbc_node_num;
--
GitLab
From 1382e3b6a3500c245e5278c66d210c02926f804f Mon Sep 17 00:00:00 2001
From: Yuri Benditovich <yuri.benditovich@daynix.com>
Date: Thu, 11 Apr 2024 08:11:24 +0300
Subject: [PATCH 2560/2686] net: change maximum number of UDP segments to 128
The commit fc8b2a619469
("net: more strict VIRTIO_NET_HDR_GSO_UDP_L4 validation")
adds check of potential number of UDP segments vs
UDP_MAX_SEGMENTS in linux/virtio_net.h.
After this change certification test of USO guest-to-guest
transmit on Windows driver for virtio-net device fails,
for example with packet size of ~64K and mss of 536 bytes.
In general the USO should not be more restrictive than TSO.
Indeed, in case of unreasonably small mss a lot of segments
can cause queue overflow and packet loss on the destination.
Limit of 128 segments is good for any practical purpose,
with minimal meaningful mss of 536 the maximal UDP packet will
be divided to ~120 segments.
The number of segments for UDP packets is validated vs
UDP_MAX_SEGMENTS also in udp.c (v4,v6), this does not affect
quest-to-guest path but does affect packets sent to host, for
example.
It is important to mention that UDP_MAX_SEGMENTS is kernel-only
define and not available to user mode socket applications.
In order to request MSS smaller than MTU the applications
just uses setsockopt with SOL_UDP and UDP_SEGMENT and there is
no limitations on socket API level.
Fixes: fc8b2a619469 ("net: more strict VIRTIO_NET_HDR_GSO_UDP_L4 validation")
Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/linux/udp.h | 2 +-
tools/testing/selftests/net/udpgso.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/udp.h b/include/linux/udp.h
index 17539d0896661..e398e1dbd2d36 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -108,7 +108,7 @@ struct udp_sock {
#define udp_assign_bit(nr, sk, val) \
assign_bit(UDP_FLAGS_##nr, &udp_sk(sk)->udp_flags, val)
-#define UDP_MAX_SEGMENTS (1 << 6UL)
+#define UDP_MAX_SEGMENTS (1 << 7UL)
#define udp_sk(ptr) container_of_const(ptr, struct udp_sock, inet.sk)
diff --git a/tools/testing/selftests/net/udpgso.c b/tools/testing/selftests/net/udpgso.c
index 1d975bf52af33..85b3baa3f7f34 100644
--- a/tools/testing/selftests/net/udpgso.c
+++ b/tools/testing/selftests/net/udpgso.c
@@ -34,7 +34,7 @@
#endif
#ifndef UDP_MAX_SEGMENTS
-#define UDP_MAX_SEGMENTS (1 << 6UL)
+#define UDP_MAX_SEGMENTS (1 << 7UL)
#endif
#define CONST_MTU_TEST 1500
--
GitLab
From 8541323285994528ad5be2c1bdc759e6c83b936e Mon Sep 17 00:00:00 2001
From: Jason Gunthorpe <jgg@nvidia.com>
Date: Thu, 4 Apr 2024 21:05:14 -0300
Subject: [PATCH 2561/2686] iommufd: Add missing IOMMUFD_DRIVER kconfig for the
selftest
Some kconfigs don't automatically include this symbol which results in sub
functions for some of the dirty tracking related things that are
non-functional. Thus the test suite will fail. select IOMMUFD_DRIVER in
the IOMMUFD_TEST kconfig to fix it.
Fixes: a9af47e382a4 ("iommufd/selftest: Test IOMMU_HWPT_GET_DIRTY_BITMAP")
Link: https://lore.kernel.org/r/20240327182050.GA1363414@ziepe.ca
Tested-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
drivers/iommu/iommufd/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/iommu/iommufd/Kconfig b/drivers/iommu/iommufd/Kconfig
index 99d4b075df49e..76656fe0470d7 100644
--- a/drivers/iommu/iommufd/Kconfig
+++ b/drivers/iommu/iommufd/Kconfig
@@ -37,6 +37,7 @@ config IOMMUFD_TEST
depends on DEBUG_KERNEL
depends on FAULT_INJECTION
depends on RUNTIME_TESTING_MENU
+ select IOMMUFD_DRIVER
default n
help
This is dangerous, do not enable unless running
--
GitLab
From 2760c51b8040d7cffedc337939e7475a17cc4b19 Mon Sep 17 00:00:00 2001
From: Muhammad Usama Anjum <usama.anjum@collabora.com>
Date: Mon, 25 Mar 2024 14:00:48 +0500
Subject: [PATCH 2562/2686] iommufd: Add config needed for iommufd_fail_nth
Add FAULT_INJECTION_DEBUG_FS and FAILSLAB configurations to the kconfig
fragment for the iommfd selftests. These kconfigs are needed by the
iommufd_fail_nth test.
Fixes: a9af47e382a4 ("iommufd/selftest: Test IOMMU_HWPT_GET_DIRTY_BITMAP")
Link: https://lore.kernel.org/r/20240325090048.1423908-1-usama.anjum@collabora.com
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
tools/testing/selftests/iommu/config | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/iommu/config b/tools/testing/selftests/iommu/config
index 110d73917615d..02a2a1b267c1e 100644
--- a/tools/testing/selftests/iommu/config
+++ b/tools/testing/selftests/iommu/config
@@ -1,3 +1,5 @@
CONFIG_IOMMUFD=y
+CONFIG_FAULT_INJECTION_DEBUG_FS=y
CONFIG_FAULT_INJECTION=y
CONFIG_IOMMUFD_TEST=y
+CONFIG_FAILSLAB=y
--
GitLab
From 0bbac3facb5d6cc0171c45c9873a2dc96bea9680 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 14 Apr 2024 13:38:39 -0700
Subject: [PATCH 2563/2686] Linux 6.9-rc4
---
Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index e1bf12891cb0e..59d8a7f95d0a8 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 6
PATCHLEVEL = 9
SUBLEVEL = 0
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc4
NAME = Hurr durr I'ma ninja sloth
# *DOCUMENTATION*
--
GitLab
From bceb86be9e970bc6d77bfd1f8e5272d9a2007c16 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 13 Apr 2024 23:59:06 -0400
Subject: [PATCH 2564/2686] bcachefs: add missing bounds check in
__bch2_bkey_val_invalid()
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/bkey_methods.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/bcachefs/bkey_methods.c b/fs/bcachefs/bkey_methods.c
index 5e52684764eb1..e4481e4d5f38f 100644
--- a/fs/bcachefs/bkey_methods.c
+++ b/fs/bcachefs/bkey_methods.c
@@ -175,7 +175,10 @@ int __bch2_bkey_invalid(struct bch_fs *c, struct bkey_s_c k,
!(bch2_key_types_allowed[type] & BIT_ULL(k.k->type)), c, err,
bkey_invalid_type_for_btree,
"invalid key type for btree %s (%s)",
- bch2_btree_node_type_str(type), bch2_bkey_types[k.k->type]);
+ bch2_btree_node_type_str(type),
+ k.k->type < KEY_TYPE_MAX
+ ? bch2_bkey_types[k.k->type]
+ : "(unknown)");
if (btree_node_type_is_extents(type) && !bkey_whiteout(k.k)) {
bkey_fsck_err_on(k.k->size == 0, c, err,
--
GitLab
From d789e9a7d5e2799f4d5425b0b620210d2fcad529 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 13 Apr 2024 23:59:28 -0400
Subject: [PATCH 2565/2686] bcachefs: Interior known are required to have known
key types
For forwards compatibilyt, we allow bkeys of unknown type in leaf nodes;
we can simply ignore metadata we don't understand. Pointers to btree
nodes must always be of known types, howwever.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/bkey_methods.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/bcachefs/bkey_methods.c b/fs/bcachefs/bkey_methods.c
index e4481e4d5f38f..db336a43fc083 100644
--- a/fs/bcachefs/bkey_methods.c
+++ b/fs/bcachefs/bkey_methods.c
@@ -171,7 +171,8 @@ int __bch2_bkey_invalid(struct bch_fs *c, struct bkey_s_c k,
if (type >= BKEY_TYPE_NR)
return 0;
- bkey_fsck_err_on((flags & BKEY_INVALID_COMMIT) &&
+ bkey_fsck_err_on((type == BKEY_TYPE_btree ||
+ (flags & BKEY_INVALID_COMMIT)) &&
!(bch2_key_types_allowed[type] & BIT_ULL(k.k->type)), c, err,
bkey_invalid_type_for_btree,
"invalid key type for btree %s (%s)",
--
GitLab
From 8cf2036e7b557282667a437d409e6307d55366ab Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 12 Apr 2024 15:34:14 -0400
Subject: [PATCH 2566/2686] bcachefs: add safety checks in
bch2_btree_node_fill()
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_cache.c | 25 ++++++++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/fs/bcachefs/btree_cache.c b/fs/bcachefs/btree_cache.c
index c7f156320a35d..c347d08d80bcf 100644
--- a/fs/bcachefs/btree_cache.c
+++ b/fs/bcachefs/btree_cache.c
@@ -711,7 +711,30 @@ static noinline struct btree *bch2_btree_node_fill(struct btree_trans *trans,
struct btree *b;
u32 seq;
- BUG_ON(level + 1 >= BTREE_MAX_DEPTH);
+ if (unlikely(level >= BTREE_MAX_DEPTH)) {
+ int ret = bch2_fs_topology_error(c, "attempting to get btree node at level %u, >= max depth %u",
+ level, BTREE_MAX_DEPTH);
+ return ERR_PTR(ret);
+ }
+
+ if (unlikely(!bkey_is_btree_ptr(&k->k))) {
+ struct printbuf buf = PRINTBUF;
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(k));
+
+ int ret = bch2_fs_topology_error(c, "attempting to get btree node with non-btree key %s", buf.buf);
+ printbuf_exit(&buf);
+ return ERR_PTR(ret);
+ }
+
+ if (unlikely(k->k.u64s > BKEY_BTREE_PTR_U64s_MAX)) {
+ struct printbuf buf = PRINTBUF;
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(k));
+
+ int ret = bch2_fs_topology_error(c, "attempting to get btree node with too big key %s", buf.buf);
+ printbuf_exit(&buf);
+ return ERR_PTR(ret);
+ }
+
/*
* Parent node must be locked, else we could read in a btree node that's
* been freed:
--
GitLab
From e879389f5777de5d94f27f8d88d7e92341afa3ef Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 12 Apr 2024 15:54:33 -0400
Subject: [PATCH 2567/2686] bcachefs: Fix bch2_btree_node_fill() for !path
We shouldn't be doing the unlock/relock dance when we're not using a
path - this fixes an assertion pop when called from btree node scan.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_cache.c | 44 ++++++++++++++++-----------------------
1 file changed, 18 insertions(+), 26 deletions(-)
diff --git a/fs/bcachefs/btree_cache.c b/fs/bcachefs/btree_cache.c
index c347d08d80bcf..02c70e813face 100644
--- a/fs/bcachefs/btree_cache.c
+++ b/fs/bcachefs/btree_cache.c
@@ -709,7 +709,6 @@ static noinline struct btree *bch2_btree_node_fill(struct btree_trans *trans,
struct bch_fs *c = trans->c;
struct btree_cache *bc = &c->btree_cache;
struct btree *b;
- u32 seq;
if (unlikely(level >= BTREE_MAX_DEPTH)) {
int ret = bch2_fs_topology_error(c, "attempting to get btree node at level %u, >= max depth %u",
@@ -775,34 +774,26 @@ static noinline struct btree *bch2_btree_node_fill(struct btree_trans *trans,
}
set_btree_node_read_in_flight(b);
-
six_unlock_write(&b->c.lock);
- seq = six_lock_seq(&b->c.lock);
- six_unlock_intent(&b->c.lock);
- /* Unlock before doing IO: */
- if (path && sync)
- bch2_trans_unlock_noassert(trans);
-
- bch2_btree_node_read(trans, b, sync);
+ if (path) {
+ u32 seq = six_lock_seq(&b->c.lock);
- if (!sync)
- return NULL;
+ /* Unlock before doing IO: */
+ six_unlock_intent(&b->c.lock);
+ bch2_trans_unlock_noassert(trans);
- if (path) {
- int ret = bch2_trans_relock(trans) ?:
- bch2_btree_path_relock_intent(trans, path);
- if (ret) {
- BUG_ON(!trans->restarted);
- return ERR_PTR(ret);
- }
- }
+ bch2_btree_node_read(trans, b, sync);
- if (!six_relock_type(&b->c.lock, lock_type, seq)) {
- BUG_ON(!path);
+ if (!sync)
+ return NULL;
- trace_and_count(c, trans_restart_relock_after_fill, trans, _THIS_IP_, path);
- return ERR_PTR(btree_trans_restart(trans, BCH_ERR_transaction_restart_relock_after_fill));
+ if (!six_relock_type(&b->c.lock, lock_type, seq))
+ b = NULL;
+ } else {
+ bch2_btree_node_read(trans, b, sync);
+ if (lock_type == SIX_LOCK_read)
+ six_lock_downgrade(&b->c.lock);
}
return b;
@@ -1135,18 +1126,19 @@ int bch2_btree_node_prefetch(struct btree_trans *trans,
{
struct bch_fs *c = trans->c;
struct btree_cache *bc = &c->btree_cache;
- struct btree *b;
BUG_ON(path && !btree_node_locked(path, level + 1));
BUG_ON(level >= BTREE_MAX_DEPTH);
- b = btree_cache_find(bc, k);
+ struct btree *b = btree_cache_find(bc, k);
if (b)
return 0;
b = bch2_btree_node_fill(trans, path, k, btree_id,
level, SIX_LOCK_read, false);
- return PTR_ERR_OR_ZERO(b);
+ if (!IS_ERR_OR_NULL(b))
+ six_unlock_read(&b->c.lock);
+ return bch2_trans_relock(trans) ?: PTR_ERR_OR_ZERO(b);
}
void bch2_btree_node_evict(struct btree_trans *trans, const struct bkey_i *k)
--
GitLab
From bdae2a7e6020e1cf864a30dab2af323575569dc7 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 13 Apr 2024 22:43:11 -0400
Subject: [PATCH 2568/2686] bcachefs: sysfs internal/trigger_journal_flush
Add a sysfs knob for immediately flushing the entire journal.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/sysfs.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c
index b18b0cc81b594..5be92fe3f4ea4 100644
--- a/fs/bcachefs/sysfs.c
+++ b/fs/bcachefs/sysfs.c
@@ -25,6 +25,7 @@
#include "ec.h"
#include "inode.h"
#include "journal.h"
+#include "journal_reclaim.h"
#include "keylist.h"
#include "move.h"
#include "movinggc.h"
@@ -138,6 +139,7 @@ do { \
write_attribute(trigger_gc);
write_attribute(trigger_discards);
write_attribute(trigger_invalidates);
+write_attribute(trigger_journal_flush);
write_attribute(prune_cache);
write_attribute(btree_wakeup);
rw_attribute(btree_gc_periodic);
@@ -500,7 +502,7 @@ STORE(bch2_fs)
/* Debugging: */
- if (!test_bit(BCH_FS_rw, &c->flags))
+ if (!bch2_write_ref_tryget(c, BCH_WRITE_REF_sysfs))
return -EROFS;
if (attr == &sysfs_prune_cache) {
@@ -533,6 +535,11 @@ STORE(bch2_fs)
if (attr == &sysfs_trigger_invalidates)
bch2_do_invalidates(c);
+ if (attr == &sysfs_trigger_journal_flush) {
+ bch2_journal_flush_all_pins(&c->journal);
+ bch2_journal_meta(&c->journal);
+ }
+
#ifdef CONFIG_BCACHEFS_TESTS
if (attr == &sysfs_perf_test) {
char *tmp = kstrdup(buf, GFP_KERNEL), *p = tmp;
@@ -553,6 +560,7 @@ STORE(bch2_fs)
size = ret;
}
#endif
+ bch2_write_ref_put(c, BCH_WRITE_REF_sysfs);
return size;
}
SYSFS_OPS(bch2_fs);
@@ -651,6 +659,7 @@ struct attribute *bch2_fs_internal_files[] = {
&sysfs_trigger_gc,
&sysfs_trigger_discards,
&sysfs_trigger_invalidates,
+ &sysfs_trigger_journal_flush,
&sysfs_prune_cache,
&sysfs_btree_wakeup,
--
GitLab
From 27c15ed297cb71c2e7a839439b5a097081a32605 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 12 Apr 2024 18:45:47 -0400
Subject: [PATCH 2569/2686] bcachefs: bch_member.btree_allocated_bitmap
This adds a small (64 bit) per-device bitmap that tracks ranges that
have btree nodes, for accelerating btree node scan if it is ever needed.
- New helpers, bch2_dev_btree_bitmap_marked() and
bch2_dev_bitmap_mark(), for checking and updating the bitmap
- Interior btree update path updates the bitmaps when required
- The check_allocations pass has a new fsck_err check,
btree_bitmap_not_marked
- New on disk format version, mi_btree_mitmap, which indicates the new
bitmap is present
- Upgrade table lists the required recovery pass and expected fsck error
- Btree node scan uses the bitmap to skip ranges if we're on the new
version
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/bcachefs_format.h | 7 ++--
fs/bcachefs/btree_gc.c | 13 +++++++
fs/bcachefs/btree_node_scan.c | 9 +++--
fs/bcachefs/btree_update_interior.c | 24 +++++++++++++
fs/bcachefs/sb-downgrade.c | 5 ++-
fs/bcachefs/sb-errors_types.h | 3 +-
fs/bcachefs/sb-members.c | 53 +++++++++++++++++++++++++++++
fs/bcachefs/sb-members.h | 21 ++++++++++++
fs/bcachefs/super_types.h | 2 ++
9 files changed, 131 insertions(+), 6 deletions(-)
diff --git a/fs/bcachefs/bcachefs_format.h b/fs/bcachefs/bcachefs_format.h
index 9480f1b44f071..085987435a5ea 100644
--- a/fs/bcachefs/bcachefs_format.h
+++ b/fs/bcachefs/bcachefs_format.h
@@ -578,7 +578,8 @@ struct bch_member {
__le64 nbuckets; /* device size */
__le16 first_bucket; /* index of first bucket used */
__le16 bucket_size; /* sectors */
- __le32 pad;
+ __u8 btree_bitmap_shift;
+ __u8 pad[3];
__le64 last_mount; /* time_t */
__le64 flags;
@@ -587,6 +588,7 @@ struct bch_member {
__le64 errors_at_reset[BCH_MEMBER_ERROR_NR];
__le64 errors_reset_time;
__le64 seq;
+ __le64 btree_allocated_bitmap;
};
#define BCH_MEMBER_V1_BYTES 56
@@ -876,7 +878,8 @@ struct bch_sb_field_downgrade {
x(rebalance_work, BCH_VERSION(1, 3)) \
x(member_seq, BCH_VERSION(1, 4)) \
x(subvolume_fs_parent, BCH_VERSION(1, 5)) \
- x(btree_subvolume_children, BCH_VERSION(1, 6))
+ x(btree_subvolume_children, BCH_VERSION(1, 6)) \
+ x(mi_btree_bitmap, BCH_VERSION(1, 7))
enum bcachefs_metadata_version {
bcachefs_metadata_version_min = 9,
diff --git a/fs/bcachefs/btree_gc.c b/fs/bcachefs/btree_gc.c
index d2555da55c6da..ecbd9598f69fd 100644
--- a/fs/bcachefs/btree_gc.c
+++ b/fs/bcachefs/btree_gc.c
@@ -828,6 +828,7 @@ static int bch2_gc_mark_key(struct btree_trans *trans, enum btree_id btree_id,
struct bch_fs *c = trans->c;
struct bkey deleted = KEY(0, 0, 0);
struct bkey_s_c old = (struct bkey_s_c) { &deleted, NULL };
+ struct printbuf buf = PRINTBUF;
int ret = 0;
deleted.p = k->k->p;
@@ -848,11 +849,23 @@ static int bch2_gc_mark_key(struct btree_trans *trans, enum btree_id btree_id,
if (ret)
goto err;
+ if (mustfix_fsck_err_on(level && !bch2_dev_btree_bitmap_marked(c, *k),
+ c, btree_bitmap_not_marked,
+ "btree ptr not marked in member info btree allocated bitmap\n %s",
+ (bch2_bkey_val_to_text(&buf, c, *k),
+ buf.buf))) {
+ mutex_lock(&c->sb_lock);
+ bch2_dev_btree_bitmap_mark(c, *k);
+ bch2_write_super(c);
+ mutex_unlock(&c->sb_lock);
+ }
+
ret = commit_do(trans, NULL, NULL, 0,
bch2_key_trigger(trans, btree_id, level, old,
unsafe_bkey_s_c_to_s(*k), BTREE_TRIGGER_GC));
fsck_err:
err:
+ printbuf_exit(&buf);
bch_err_fn(c, ret);
return ret;
}
diff --git a/fs/bcachefs/btree_node_scan.c b/fs/bcachefs/btree_node_scan.c
index 20f2b37c4474c..866bd278439f8 100644
--- a/fs/bcachefs/btree_node_scan.c
+++ b/fs/bcachefs/btree_node_scan.c
@@ -205,8 +205,13 @@ static int read_btree_nodes_worker(void *p)
last_print = jiffies;
}
- try_read_btree_node(w->f, ca, bio, buf,
- bucket * ca->mi.bucket_size + bucket_offset);
+ u64 sector = bucket * ca->mi.bucket_size + bucket_offset;
+
+ if (c->sb.version_upgrade_complete >= bcachefs_metadata_version_mi_btree_bitmap &&
+ !bch2_dev_btree_bitmap_marked_sectors(ca, sector, btree_sectors(c)))
+ continue;
+
+ try_read_btree_node(w->f, ca, bio, buf, sector);
}
err:
bio_put(bio);
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index 82ac00aa0f7b0..6030c396754f6 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -21,6 +21,7 @@
#include "keylist.h"
#include "recovery_passes.h"
#include "replicas.h"
+#include "sb-members.h"
#include "super-io.h"
#include "trace.h"
@@ -605,6 +606,26 @@ static void btree_update_add_key(struct btree_update *as,
bch2_keylist_push(keys);
}
+static bool btree_update_new_nodes_marked_sb(struct btree_update *as)
+{
+ for_each_keylist_key(&as->new_keys, k)
+ if (!bch2_dev_btree_bitmap_marked(as->c, bkey_i_to_s_c(k)))
+ return false;
+ return true;
+}
+
+static void btree_update_new_nodes_mark_sb(struct btree_update *as)
+{
+ struct bch_fs *c = as->c;
+
+ mutex_lock(&c->sb_lock);
+ for_each_keylist_key(&as->new_keys, k)
+ bch2_dev_btree_bitmap_mark(c, bkey_i_to_s_c(k));
+
+ bch2_write_super(c);
+ mutex_unlock(&c->sb_lock);
+}
+
/*
* The transactional part of an interior btree node update, where we journal the
* update we did to the interior node and update alloc info:
@@ -662,6 +683,9 @@ static void btree_update_nodes_written(struct btree_update *as)
if (ret)
goto err;
+ if (!btree_update_new_nodes_marked_sb(as))
+ btree_update_new_nodes_mark_sb(as);
+
/*
* Wait for any in flight writes to finish before we free the old nodes
* on disk:
diff --git a/fs/bcachefs/sb-downgrade.c b/fs/bcachefs/sb-downgrade.c
index d6f81179c3a29..a98ef940b7a32 100644
--- a/fs/bcachefs/sb-downgrade.c
+++ b/fs/bcachefs/sb-downgrade.c
@@ -51,7 +51,10 @@
BCH_FSCK_ERR_subvol_fs_path_parent_wrong) \
x(btree_subvolume_children, \
BIT_ULL(BCH_RECOVERY_PASS_check_subvols), \
- BCH_FSCK_ERR_subvol_children_not_set)
+ BCH_FSCK_ERR_subvol_children_not_set) \
+ x(mi_btree_bitmap, \
+ BIT_ULL(BCH_RECOVERY_PASS_check_allocations), \
+ BCH_FSCK_ERR_btree_bitmap_not_marked)
#define DOWNGRADE_TABLE()
diff --git a/fs/bcachefs/sb-errors_types.h b/fs/bcachefs/sb-errors_types.h
index d7d609131030a..5b600c6d7aca2 100644
--- a/fs/bcachefs/sb-errors_types.h
+++ b/fs/bcachefs/sb-errors_types.h
@@ -270,7 +270,8 @@
x(btree_ptr_v2_min_key_bad, 262) \
x(btree_root_unreadable_and_scan_found_nothing, 263) \
x(snapshot_node_missing, 264) \
- x(dup_backpointer_to_bad_csum_extent, 265)
+ x(dup_backpointer_to_bad_csum_extent, 265) \
+ x(btree_bitmap_not_marked, 266)
enum bch_sb_error_id {
#define x(t, n) BCH_FSCK_ERR_##t = n,
diff --git a/fs/bcachefs/sb-members.c b/fs/bcachefs/sb-members.c
index eff5ce18c69c0..522a969345e52 100644
--- a/fs/bcachefs/sb-members.c
+++ b/fs/bcachefs/sb-members.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include "bcachefs.h"
+#include "btree_cache.h"
#include "disk_groups.h"
#include "opts.h"
#include "replicas.h"
@@ -426,3 +427,55 @@ void bch2_dev_errors_reset(struct bch_dev *ca)
bch2_write_super(c);
mutex_unlock(&c->sb_lock);
}
+
+/*
+ * Per member "range has btree nodes" bitmap:
+ *
+ * This is so that if we ever have to run the btree node scan to repair we don't
+ * have to scan full devices:
+ */
+
+bool bch2_dev_btree_bitmap_marked(struct bch_fs *c, struct bkey_s_c k)
+{
+ bkey_for_each_ptr(bch2_bkey_ptrs_c(k), ptr)
+ if (!bch2_dev_btree_bitmap_marked_sectors(bch_dev_bkey_exists(c, ptr->dev),
+ ptr->offset, btree_sectors(c)))
+ return false;
+ return true;
+}
+
+static void __bch2_dev_btree_bitmap_mark(struct bch_sb_field_members_v2 *mi, unsigned dev,
+ u64 start, unsigned sectors)
+{
+ struct bch_member *m = __bch2_members_v2_get_mut(mi, dev);
+ u64 bitmap = le64_to_cpu(m->btree_allocated_bitmap);
+
+ u64 end = start + sectors;
+
+ int resize = ilog2(roundup_pow_of_two(end)) - (m->btree_bitmap_shift + 6);
+ if (resize > 0) {
+ u64 new_bitmap = 0;
+
+ for (unsigned i = 0; i < 64; i++)
+ if (bitmap & BIT_ULL(i))
+ new_bitmap |= BIT_ULL(i >> resize);
+ bitmap = new_bitmap;
+ m->btree_bitmap_shift += resize;
+ }
+
+ for (unsigned bit = sectors >> m->btree_bitmap_shift;
+ bit << m->btree_bitmap_shift < end;
+ bit++)
+ bitmap |= BIT_ULL(bit);
+
+ m->btree_allocated_bitmap = cpu_to_le64(bitmap);
+}
+
+void bch2_dev_btree_bitmap_mark(struct bch_fs *c, struct bkey_s_c k)
+{
+ lockdep_assert_held(&c->sb_lock);
+
+ struct bch_sb_field_members_v2 *mi = bch2_sb_field_get(c->disk_sb.sb, members_v2);
+ bkey_for_each_ptr(bch2_bkey_ptrs_c(k), ptr)
+ __bch2_dev_btree_bitmap_mark(mi, ptr->dev, ptr->offset, btree_sectors(c));
+}
diff --git a/fs/bcachefs/sb-members.h b/fs/bcachefs/sb-members.h
index be0a941832715..b27c3e4467cf2 100644
--- a/fs/bcachefs/sb-members.h
+++ b/fs/bcachefs/sb-members.h
@@ -3,6 +3,7 @@
#define _BCACHEFS_SB_MEMBERS_H
#include "darray.h"
+#include "bkey_types.h"
extern char * const bch2_member_error_strs[];
@@ -220,6 +221,8 @@ static inline struct bch_member_cpu bch2_mi_to_cpu(struct bch_member *mi)
: 1,
.freespace_initialized = BCH_MEMBER_FREESPACE_INITIALIZED(mi),
.valid = bch2_member_exists(mi),
+ .btree_bitmap_shift = mi->btree_bitmap_shift,
+ .btree_allocated_bitmap = le64_to_cpu(mi->btree_allocated_bitmap),
};
}
@@ -228,4 +231,22 @@ void bch2_sb_members_from_cpu(struct bch_fs *);
void bch2_dev_io_errors_to_text(struct printbuf *, struct bch_dev *);
void bch2_dev_errors_reset(struct bch_dev *);
+static inline bool bch2_dev_btree_bitmap_marked_sectors(struct bch_dev *ca, u64 start, unsigned sectors)
+{
+ u64 end = start + sectors;
+
+ if (end > 64 << ca->mi.btree_bitmap_shift)
+ return false;
+
+ for (unsigned bit = sectors >> ca->mi.btree_bitmap_shift;
+ bit << ca->mi.btree_bitmap_shift < end;
+ bit++)
+ if (!(ca->mi.btree_allocated_bitmap & BIT_ULL(bit)))
+ return false;
+ return true;
+}
+
+bool bch2_dev_btree_bitmap_marked(struct bch_fs *, struct bkey_s_c);
+void bch2_dev_btree_bitmap_mark(struct bch_fs *, struct bkey_s_c);
+
#endif /* _BCACHEFS_SB_MEMBERS_H */
diff --git a/fs/bcachefs/super_types.h b/fs/bcachefs/super_types.h
index ec784d975f665..11bcef170c2c2 100644
--- a/fs/bcachefs/super_types.h
+++ b/fs/bcachefs/super_types.h
@@ -37,6 +37,8 @@ struct bch_member_cpu {
u8 durability;
u8 freespace_initialized;
u8 valid;
+ u8 btree_bitmap_shift;
+ u64 btree_allocated_bitmap;
};
#endif /* _BCACHEFS_SUPER_TYPES_H */
--
GitLab
From f0a73d4fde5b285d94a702026216d9fd1fd2733d Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sun, 14 Apr 2024 00:51:48 -0400
Subject: [PATCH 2570/2686] bcachefs: Check for backpointer bucket_offset >=
bucket size
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/backpointers.c | 8 +++++---
fs/bcachefs/backpointers.h | 9 +++------
fs/bcachefs/sb-errors_types.h | 2 +-
3 files changed, 9 insertions(+), 10 deletions(-)
diff --git a/fs/bcachefs/backpointers.c b/fs/bcachefs/backpointers.c
index 114328acde720..fadb1078903d2 100644
--- a/fs/bcachefs/backpointers.c
+++ b/fs/bcachefs/backpointers.c
@@ -49,13 +49,15 @@ int bch2_backpointer_invalid(struct bch_fs *c, struct bkey_s_c k,
if (!bch2_dev_exists2(c, bp.k->p.inode))
return 0;
+ struct bch_dev *ca = bch_dev_bkey_exists(c, bp.k->p.inode);
struct bpos bucket = bp_pos_to_bucket(c, bp.k->p);
int ret = 0;
- bkey_fsck_err_on(!bpos_eq(bp.k->p, bucket_pos_to_bp(c, bucket, bp.v->bucket_offset)),
+ bkey_fsck_err_on((bp.v->bucket_offset >> MAX_EXTENT_COMPRESS_RATIO_SHIFT) >= ca->mi.bucket_size ||
+ !bpos_eq(bp.k->p, bucket_pos_to_bp(c, bucket, bp.v->bucket_offset)),
c, err,
- backpointer_pos_wrong,
- "backpointer at wrong pos");
+ backpointer_bucket_offset_wrong,
+ "backpointer bucket_offset wrong");
fsck_err:
return ret;
}
diff --git a/fs/bcachefs/backpointers.h b/fs/bcachefs/backpointers.h
index da012ca7daee5..85949b9fd880c 100644
--- a/fs/bcachefs/backpointers.h
+++ b/fs/bcachefs/backpointers.h
@@ -53,14 +53,11 @@ static inline struct bpos bucket_pos_to_bp(const struct bch_fs *c,
u64 bucket_offset)
{
struct bch_dev *ca = bch_dev_bkey_exists(c, bucket.inode);
- struct bpos ret;
-
- ret = POS(bucket.inode,
- (bucket_to_sector(ca, bucket.offset) <<
- MAX_EXTENT_COMPRESS_RATIO_SHIFT) + bucket_offset);
+ struct bpos ret = POS(bucket.inode,
+ (bucket_to_sector(ca, bucket.offset) <<
+ MAX_EXTENT_COMPRESS_RATIO_SHIFT) + bucket_offset);
EBUG_ON(!bkey_eq(bucket, bp_pos_to_bucket(c, ret)));
-
return ret;
}
diff --git a/fs/bcachefs/sb-errors_types.h b/fs/bcachefs/sb-errors_types.h
index 5b600c6d7aca2..4ca6e7b0d8aae 100644
--- a/fs/bcachefs/sb-errors_types.h
+++ b/fs/bcachefs/sb-errors_types.h
@@ -130,7 +130,7 @@
x(bucket_gens_nonzero_for_invalid_buckets, 122) \
x(need_discard_freespace_key_to_invalid_dev_bucket, 123) \
x(need_discard_freespace_key_bad, 124) \
- x(backpointer_pos_wrong, 125) \
+ x(backpointer_bucket_offset_wrong, 125) \
x(backpointer_to_missing_device, 126) \
x(backpointer_to_missing_alloc, 127) \
x(backpointer_to_missing_ptr, 128) \
--
GitLab
From 356952b13af5b2c338df1e06889fd1b5e12cbbf4 Mon Sep 17 00:00:00 2001
From: bolan wang <bolan.wang@fibocom.com>
Date: Wed, 6 Mar 2024 19:03:39 +0800
Subject: [PATCH 2571/2686] USB: serial: option: add Fibocom FM135-GL variants
Update the USB serial option driver support for the Fibocom
FM135-GL LTE modules.
- VID:PID 2cb7:0115, FM135-GL for laptop debug M.2 cards(with MBIM
interface for /Linux/Chrome OS)
0x0115: mbim, diag, at, pipe
Here are the outputs of usb-devices:
T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 16 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=2cb7 ProdID=0115 Rev=05.15
S: Manufacturer=Fibocom Wireless Inc.
S: Product=Fibocom Module
S: SerialNumber=12345678
C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=usbfs
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
Signed-off-by: bolan wang <bolan.wang@fibocom.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/option.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 55a65d941ccbf..cedf93a3eaea5 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -2272,6 +2272,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0xff, 0x30) }, /* Fibocom FG150 Diag */
{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0, 0) }, /* Fibocom FG150 AT */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0111, 0xff) }, /* Fibocom FM160 (MBIM mode) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0115, 0xff), /* Fibocom FM135 (laptop MBIM) */
+ .driver_info = RSVD(5) },
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a2, 0xff) }, /* Fibocom FM101-GL (laptop MBIM) */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a3, 0xff) }, /* Fibocom FM101-GL (laptop MBIM) */
--
GitLab
From c840244aba7ad2b83ed904378b36bd6aef25511c Mon Sep 17 00:00:00 2001
From: Jerry Meng <jerry-meng@foxmail.com>
Date: Mon, 15 Apr 2024 15:04:29 +0800
Subject: [PATCH 2572/2686] USB: serial: option: support Quectel EM060K
sub-models
EM060K_129, EM060K_12a, EM060K_12b and EM0060K_12c are EM060K's sub-models,
having the same name "Quectel EM060K-GL" and the same interface layout.
MBIM + GNSS + DIAG + NMEA + AT + QDSS + DPL
T: Bus=03 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 8 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=2c7c ProdID=0129 Rev= 5.04
S: Manufacturer=Quectel
S: Product=Quectel EM060K-GL
S: SerialNumber=f6fa08b6
C:* #Ifs= 8 Cfg#= 1 Atr=a0 MxPwr=500mA
A: FirstIf#= 0 IfCount= 2 Cls=02(comm.) Sub=0e Prot=00
I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=81(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
I:* If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=8e(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=0f(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 2 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=40 Driver=option
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 6 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=70 Driver=(none)
E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 7 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=80 Driver=(none)
E: Ad=8f(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
Signed-off-by: Jerry Meng <jerry-meng@foxmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/option.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index cedf93a3eaea5..16cf0ddaae9b7 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -255,6 +255,10 @@ static void option_instat_callback(struct urb *urb);
#define QUECTEL_PRODUCT_EM061K_LMS 0x0124
#define QUECTEL_PRODUCT_EC25 0x0125
#define QUECTEL_PRODUCT_EM060K_128 0x0128
+#define QUECTEL_PRODUCT_EM060K_129 0x0129
+#define QUECTEL_PRODUCT_EM060K_12a 0x012a
+#define QUECTEL_PRODUCT_EM060K_12b 0x012b
+#define QUECTEL_PRODUCT_EM060K_12c 0x012c
#define QUECTEL_PRODUCT_EG91 0x0191
#define QUECTEL_PRODUCT_EG95 0x0195
#define QUECTEL_PRODUCT_BG96 0x0296
@@ -1218,6 +1222,18 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0x00, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_129, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_129, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_129, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12a, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12a, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12a, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12b, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12b, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12b, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12c, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12c, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12c, 0xff, 0xff, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0x00, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0xff, 0x40) },
--
GitLab
From 4864a6dd8320ad856698f93009c89f66ccb1653f Mon Sep 17 00:00:00 2001
From: Amir Goldstein <amir73il@gmail.com>
Date: Sun, 7 Apr 2024 18:57:56 +0300
Subject: [PATCH 2573/2686] fuse: fix wrong ff->iomode state changes from
parallel dio write
There is a confusion with fuse_file_uncached_io_{start,end} interface.
These helpers do two things when called from passthrough open()/release():
1. Take/drop negative refcount of fi->iocachectr (inode uncached io mode)
2. State change ff->iomode IOM_NONE <-> IOM_UNCACHED (file uncached open)
The calls from parallel dio write path need to take a reference on
fi->iocachectr, but they should not be changing ff->iomode state, because
in this case, the fi->iocachectr reference does not stick around until file
release().
Factor out helpers fuse_inode_uncached_io_{start,end}, to be used from
parallel dio write path and rename fuse_file_*cached_io_{start,end} helpers
to fuse_file_*cached_io_{open,release} to clarify the difference.
Fixes: 205c1d802683 ("fuse: allow parallel dio writes with FUSE_DIRECT_IO_ALLOW_MMAP")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
---
fs/fuse/file.c | 12 ++++++-----
fs/fuse/fuse_i.h | 7 +++---
fs/fuse/inode.c | 1 +
fs/fuse/iomode.c | 56 +++++++++++++++++++++++++++++++++---------------
4 files changed, 51 insertions(+), 25 deletions(-)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index a56e7bffd0004..b57ce41576407 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1362,7 +1362,7 @@ static void fuse_dio_lock(struct kiocb *iocb, struct iov_iter *from,
bool *exclusive)
{
struct inode *inode = file_inode(iocb->ki_filp);
- struct fuse_file *ff = iocb->ki_filp->private_data;
+ struct fuse_inode *fi = get_fuse_inode(inode);
*exclusive = fuse_dio_wr_exclusive_lock(iocb, from);
if (*exclusive) {
@@ -1377,7 +1377,7 @@ static void fuse_dio_lock(struct kiocb *iocb, struct iov_iter *from,
* have raced, so check it again.
*/
if (fuse_io_past_eof(iocb, from) ||
- fuse_file_uncached_io_start(inode, ff, NULL) != 0) {
+ fuse_inode_uncached_io_start(fi, NULL) != 0) {
inode_unlock_shared(inode);
inode_lock(inode);
*exclusive = true;
@@ -1388,13 +1388,13 @@ static void fuse_dio_lock(struct kiocb *iocb, struct iov_iter *from,
static void fuse_dio_unlock(struct kiocb *iocb, bool exclusive)
{
struct inode *inode = file_inode(iocb->ki_filp);
- struct fuse_file *ff = iocb->ki_filp->private_data;
+ struct fuse_inode *fi = get_fuse_inode(inode);
if (exclusive) {
inode_unlock(inode);
} else {
/* Allow opens in caching mode after last parallel dio end */
- fuse_file_uncached_io_end(inode, ff);
+ fuse_inode_uncached_io_end(fi);
inode_unlock_shared(inode);
}
}
@@ -2574,8 +2574,10 @@ static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma)
* First mmap of direct_io file enters caching inode io mode.
* Also waits for parallel dio writers to go into serial mode
* (exclusive instead of shared lock).
+ * After first mmap, the inode stays in caching io mode until
+ * the direct_io file release.
*/
- rc = fuse_file_cached_io_start(inode, ff);
+ rc = fuse_file_cached_io_open(inode, ff);
if (rc)
return rc;
}
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index b24084b60864e..f239196103137 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -1394,9 +1394,10 @@ int fuse_fileattr_set(struct mnt_idmap *idmap,
struct dentry *dentry, struct fileattr *fa);
/* iomode.c */
-int fuse_file_cached_io_start(struct inode *inode, struct fuse_file *ff);
-int fuse_file_uncached_io_start(struct inode *inode, struct fuse_file *ff, struct fuse_backing *fb);
-void fuse_file_uncached_io_end(struct inode *inode, struct fuse_file *ff);
+int fuse_file_cached_io_open(struct inode *inode, struct fuse_file *ff);
+int fuse_inode_uncached_io_start(struct fuse_inode *fi,
+ struct fuse_backing *fb);
+void fuse_inode_uncached_io_end(struct fuse_inode *fi);
int fuse_file_io_open(struct file *file, struct inode *inode);
void fuse_file_io_release(struct fuse_file *ff, struct inode *inode);
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 3a5d888783353..99e44ea7d8756 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -175,6 +175,7 @@ static void fuse_evict_inode(struct inode *inode)
}
}
if (S_ISREG(inode->i_mode) && !fuse_is_bad(inode)) {
+ WARN_ON(fi->iocachectr != 0);
WARN_ON(!list_empty(&fi->write_files));
WARN_ON(!list_empty(&fi->queued_writes));
}
diff --git a/fs/fuse/iomode.c b/fs/fuse/iomode.c
index c653ddcf05787..98f1fd523dae6 100644
--- a/fs/fuse/iomode.c
+++ b/fs/fuse/iomode.c
@@ -21,12 +21,13 @@ static inline bool fuse_is_io_cache_wait(struct fuse_inode *fi)
}
/*
- * Start cached io mode.
+ * Called on cached file open() and on first mmap() of direct_io file.
+ * Takes cached_io inode mode reference to be dropped on file release.
*
* Blocks new parallel dio writes and waits for the in-progress parallel dio
* writes to complete.
*/
-int fuse_file_cached_io_start(struct inode *inode, struct fuse_file *ff)
+int fuse_file_cached_io_open(struct inode *inode, struct fuse_file *ff)
{
struct fuse_inode *fi = get_fuse_inode(inode);
@@ -67,10 +68,9 @@ int fuse_file_cached_io_start(struct inode *inode, struct fuse_file *ff)
return 0;
}
-static void fuse_file_cached_io_end(struct inode *inode, struct fuse_file *ff)
+static void fuse_file_cached_io_release(struct fuse_file *ff,
+ struct fuse_inode *fi)
{
- struct fuse_inode *fi = get_fuse_inode(inode);
-
spin_lock(&fi->lock);
WARN_ON(fi->iocachectr <= 0);
WARN_ON(ff->iomode != IOM_CACHED);
@@ -82,9 +82,8 @@ static void fuse_file_cached_io_end(struct inode *inode, struct fuse_file *ff)
}
/* Start strictly uncached io mode where cache access is not allowed */
-int fuse_file_uncached_io_start(struct inode *inode, struct fuse_file *ff, struct fuse_backing *fb)
+int fuse_inode_uncached_io_start(struct fuse_inode *fi, struct fuse_backing *fb)
{
- struct fuse_inode *fi = get_fuse_inode(inode);
struct fuse_backing *oldfb;
int err = 0;
@@ -99,9 +98,7 @@ int fuse_file_uncached_io_start(struct inode *inode, struct fuse_file *ff, struc
err = -ETXTBSY;
goto unlock;
}
- WARN_ON(ff->iomode != IOM_NONE);
fi->iocachectr--;
- ff->iomode = IOM_UNCACHED;
/* fuse inode holds a single refcount of backing file */
if (!oldfb) {
@@ -115,15 +112,29 @@ int fuse_file_uncached_io_start(struct inode *inode, struct fuse_file *ff, struc
return err;
}
-void fuse_file_uncached_io_end(struct inode *inode, struct fuse_file *ff)
+/* Takes uncached_io inode mode reference to be dropped on file release */
+static int fuse_file_uncached_io_open(struct inode *inode,
+ struct fuse_file *ff,
+ struct fuse_backing *fb)
{
struct fuse_inode *fi = get_fuse_inode(inode);
+ int err;
+
+ err = fuse_inode_uncached_io_start(fi, fb);
+ if (err)
+ return err;
+
+ WARN_ON(ff->iomode != IOM_NONE);
+ ff->iomode = IOM_UNCACHED;
+ return 0;
+}
+
+void fuse_inode_uncached_io_end(struct fuse_inode *fi)
+{
struct fuse_backing *oldfb = NULL;
spin_lock(&fi->lock);
WARN_ON(fi->iocachectr >= 0);
- WARN_ON(ff->iomode != IOM_UNCACHED);
- ff->iomode = IOM_NONE;
fi->iocachectr++;
if (!fi->iocachectr) {
wake_up(&fi->direct_io_waitq);
@@ -134,6 +145,15 @@ void fuse_file_uncached_io_end(struct inode *inode, struct fuse_file *ff)
fuse_backing_put(oldfb);
}
+/* Drop uncached_io reference from passthrough open */
+static void fuse_file_uncached_io_release(struct fuse_file *ff,
+ struct fuse_inode *fi)
+{
+ WARN_ON(ff->iomode != IOM_UNCACHED);
+ ff->iomode = IOM_NONE;
+ fuse_inode_uncached_io_end(fi);
+}
+
/*
* Open flags that are allowed in combination with FOPEN_PASSTHROUGH.
* A combination of FOPEN_PASSTHROUGH and FOPEN_DIRECT_IO means that read/write
@@ -163,7 +183,7 @@ static int fuse_file_passthrough_open(struct inode *inode, struct file *file)
return PTR_ERR(fb);
/* First passthrough file open denies caching inode io mode */
- err = fuse_file_uncached_io_start(inode, ff, fb);
+ err = fuse_file_uncached_io_open(inode, ff, fb);
if (!err)
return 0;
@@ -216,7 +236,7 @@ int fuse_file_io_open(struct file *file, struct inode *inode)
if (ff->open_flags & FOPEN_PASSTHROUGH)
err = fuse_file_passthrough_open(inode, file);
else
- err = fuse_file_cached_io_start(inode, ff);
+ err = fuse_file_cached_io_open(inode, ff);
if (err)
goto fail;
@@ -236,8 +256,10 @@ int fuse_file_io_open(struct file *file, struct inode *inode)
/* No more pending io and no new io possible to inode via open/mmapped file */
void fuse_file_io_release(struct fuse_file *ff, struct inode *inode)
{
+ struct fuse_inode *fi = get_fuse_inode(inode);
+
/*
- * Last parallel dio close allows caching inode io mode.
+ * Last passthrough file close allows caching inode io mode.
* Last caching file close exits caching inode io mode.
*/
switch (ff->iomode) {
@@ -245,10 +267,10 @@ void fuse_file_io_release(struct fuse_file *ff, struct inode *inode)
/* Nothing to do */
break;
case IOM_UNCACHED:
- fuse_file_uncached_io_end(inode, ff);
+ fuse_file_uncached_io_release(ff, fi);
break;
case IOM_CACHED:
- fuse_file_cached_io_end(inode, ff);
+ fuse_file_cached_io_release(ff, fi);
break;
}
}
--
GitLab
From 7cc911262835419fe469ebfae89891c0e97c62ef Mon Sep 17 00:00:00 2001
From: Amir Goldstein <amir73il@gmail.com>
Date: Sun, 7 Apr 2024 18:57:57 +0300
Subject: [PATCH 2574/2686] fuse: fix parallel dio write on file open in
passthrough mode
Parallel dio write takes a negative refcount of fi->iocachectr and so does
open of file in passthrough mode.
The refcount of passthrough mode is associated with attach/detach of a
fuse_backing object to fuse inode.
For parallel dio write, the backing file is irrelevant, so the call to
fuse_inode_uncached_io_start() passes a NULL fuse_backing object.
Passing a NULL fuse_backing will result in false -EBUSY error if the file
is already open in passthrough mode.
Allow taking negative fi->iocachectr refcount with NULL fuse_backing,
because it does not conflict with an already attached fuse_backing object.
Fixes: 4a90451bbc7f ("fuse: implement open in passthrough mode")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
---
fs/fuse/iomode.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/fuse/iomode.c b/fs/fuse/iomode.c
index 98f1fd523dae6..c99e285f3183e 100644
--- a/fs/fuse/iomode.c
+++ b/fs/fuse/iomode.c
@@ -90,7 +90,7 @@ int fuse_inode_uncached_io_start(struct fuse_inode *fi, struct fuse_backing *fb)
spin_lock(&fi->lock);
/* deny conflicting backing files on same fuse inode */
oldfb = fuse_inode_backing(fi);
- if (oldfb && oldfb != fb) {
+ if (fb && oldfb && oldfb != fb) {
err = -EBUSY;
goto unlock;
}
@@ -101,7 +101,7 @@ int fuse_inode_uncached_io_start(struct fuse_inode *fi, struct fuse_backing *fb)
fi->iocachectr--;
/* fuse inode holds a single refcount of backing file */
- if (!oldfb) {
+ if (fb && !oldfb) {
oldfb = fuse_inode_backing_set(fi, fb);
WARN_ON_ONCE(oldfb != NULL);
} else {
--
GitLab
From eb4b691b9115fae4c844f5941418335575cf667f Mon Sep 17 00:00:00 2001
From: Danny Lin <danny@orbstack.dev>
Date: Sat, 13 Apr 2024 17:34:31 -0700
Subject: [PATCH 2575/2686] fuse: fix leaked ENOSYS error on first statx call
FUSE attempts to detect server support for statx by trying it once and
setting no_statx=1 if it fails with ENOSYS, but consider the following
scenario:
- Userspace (e.g. sh) calls stat() on a file
* succeeds
- Userspace (e.g. lsd) calls statx(BTIME) on the same file
- request_mask = STATX_BASIC_STATS | STATX_BTIME
- first pass: sync=true due to differing cache_mask
- statx fails and returns ENOSYS
- set no_statx and retry
- retry sets mask = STATX_BASIC_STATS
- now mask == cache_mask; sync=false (time_before: still valid)
- so we take the "else if (stat)" path
- "err" is still ENOSYS from the failed statx call
Fix this by zeroing "err" before retrying the failed call.
Fixes: d3045530bdd2 ("fuse: implement statx")
Cc: stable@vger.kernel.org # v6.6
Signed-off-by: Danny Lin <danny@orbstack.dev>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
---
fs/fuse/dir.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 4a6df591add61..2b0d4781f3948 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1321,6 +1321,7 @@ static int fuse_update_get_attr(struct inode *inode, struct file *file,
err = fuse_do_statx(inode, file, stat);
if (err == -ENOSYS) {
fc->no_statx = 1;
+ err = 0;
goto retry;
}
} else {
--
GitLab
From fff1386cc889d8fb4089d285f883f8cba62d82ce Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Thu, 11 Apr 2024 11:15:09 +1000
Subject: [PATCH 2576/2686] nouveau: fix instmem race condition around ptr
stores
Running a lot of VK CTS in parallel against nouveau, once every
few hours you might see something like this crash.
BUG: kernel NULL pointer dereference, address: 0000000000000008
PGD 8000000114e6e067 P4D 8000000114e6e067 PUD 109046067 PMD 0
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 7 PID: 53891 Comm: deqp-vk Not tainted 6.8.0-rc6+ #27
Hardware name: Gigabyte Technology Co., Ltd. Z390 I AORUS PRO WIFI/Z390 I AORUS PRO WIFI-CF, BIOS F8 11/05/2021
RIP: 0010:gp100_vmm_pgt_mem+0xe3/0x180 [nouveau]
Code: c7 48 01 c8 49 89 45 58 85 d2 0f 84 95 00 00 00 41 0f b7 46 12 49 8b 7e 08 89 da 42 8d 2c f8 48 8b 47 08 41 83 c7 01 48 89 ee <48> 8b 40 08 ff d0 0f 1f 00 49 8b 7e 08 48 89 d9 48 8d 75 04 48 c1
RSP: 0000:ffffac20c5857838 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 00000000004d8001 RCX: 0000000000000001
RDX: 00000000004d8001 RSI: 00000000000006d8 RDI: ffffa07afe332180
RBP: 00000000000006d8 R08: ffffac20c5857ad0 R09: 0000000000ffff10
R10: 0000000000000001 R11: ffffa07af27e2de0 R12: 000000000000001c
R13: ffffac20c5857ad0 R14: ffffa07a96fe9040 R15: 000000000000001c
FS: 00007fe395eed7c0(0000) GS:ffffa07e2c980000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 000000011febe001 CR4: 00000000003706f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
...
? gp100_vmm_pgt_mem+0xe3/0x180 [nouveau]
? gp100_vmm_pgt_mem+0x37/0x180 [nouveau]
nvkm_vmm_iter+0x351/0xa20 [nouveau]
? __pfx_nvkm_vmm_ref_ptes+0x10/0x10 [nouveau]
? __pfx_gp100_vmm_pgt_mem+0x10/0x10 [nouveau]
? __pfx_gp100_vmm_pgt_mem+0x10/0x10 [nouveau]
? __lock_acquire+0x3ed/0x2170
? __pfx_gp100_vmm_pgt_mem+0x10/0x10 [nouveau]
nvkm_vmm_ptes_get_map+0xc2/0x100 [nouveau]
? __pfx_nvkm_vmm_ref_ptes+0x10/0x10 [nouveau]
? __pfx_gp100_vmm_pgt_mem+0x10/0x10 [nouveau]
nvkm_vmm_map_locked+0x224/0x3a0 [nouveau]
Adding any sort of useful debug usually makes it go away, so I hand
wrote the function in a line, and debugged the asm.
Every so often pt->memory->ptrs is NULL. This ptrs ptr is set in
the nv50_instobj_acquire called from nvkm_kmap.
If Thread A and Thread B both get to nv50_instobj_acquire around
the same time, and Thread A hits the refcount_set line, and in
lockstep thread B succeeds at refcount_inc_not_zero, there is a
chance the ptrs value won't have been stored since refcount_set
is unordered. Force a memory barrier here, I picked smp_mb, since
we want it on all CPUs and it's write followed by a read.
v2: use paired smp_rmb/smp_wmb.
Cc: <stable@vger.kernel.org>
Fixes: be55287aa5ba ("drm/nouveau/imem/nv50: embed nvkm_instobj directly into nv04_instobj")
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240411011510.2546857-1-airlied@gmail.com
---
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
index a7f3fc342d87e..dd5b5a17ece0b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
@@ -222,8 +222,11 @@ nv50_instobj_acquire(struct nvkm_memory *memory)
void __iomem *map = NULL;
/* Already mapped? */
- if (refcount_inc_not_zero(&iobj->maps))
+ if (refcount_inc_not_zero(&iobj->maps)) {
+ /* read barrier match the wmb on refcount set */
+ smp_rmb();
return iobj->map;
+ }
/* Take the lock, and re-check that another thread hasn't
* already mapped the object in the meantime.
@@ -250,6 +253,8 @@ nv50_instobj_acquire(struct nvkm_memory *memory)
iobj->base.memory.ptrs = &nv50_instobj_fast;
else
iobj->base.memory.ptrs = &nv50_instobj_slow;
+ /* barrier to ensure the ptrs are written before refcount is set */
+ smp_wmb();
refcount_set(&iobj->maps, 1);
}
--
GitLab
From cf92bb778eda7830e79452c6917efa8474a30c1e Mon Sep 17 00:00:00 2001
From: Mikhail Kobuk <m.kobuk@ispras.ru>
Date: Thu, 11 Apr 2024 14:08:52 +0300
Subject: [PATCH 2577/2686] drm: nv04: Fix out of bounds access
When Output Resource (dcb->or) value is assigned in
fabricate_dcb_output(), there may be out of bounds access to
dac_users array in case dcb->or is zero because ffs(dcb->or) is
used as index there.
The 'or' argument of fabricate_dcb_output() must be interpreted as a
number of bit to set, not value.
Utilize macros from 'enum nouveau_or' in calls instead of hardcoding.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 2e5702aff395 ("drm/nouveau: fabricate DCB encoder table for iMac G4")
Fixes: 670820c0e6a9 ("drm/nouveau: Workaround incorrect DCB entry on a GeForce3 Ti 200.")
Signed-off-by: Mikhail Kobuk <m.kobuk@ispras.ru>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240411110854.16701-1-m.kobuk@ispras.ru
---
drivers/gpu/drm/nouveau/nouveau_bios.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 479effcf607e2..79cfab53f80e2 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -23,6 +23,7 @@
*/
#include "nouveau_drv.h"
+#include "nouveau_bios.h"
#include "nouveau_reg.h"
#include "dispnv04/hw.h"
#include "nouveau_encoder.h"
@@ -1677,7 +1678,7 @@ apply_dcb_encoder_quirks(struct drm_device *dev, int idx, u32 *conn, u32 *conf)
*/
if (nv_match_device(dev, 0x0201, 0x1462, 0x8851)) {
if (*conn == 0xf2005014 && *conf == 0xffffffff) {
- fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 1, 1, 1);
+ fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 1, 1, DCB_OUTPUT_B);
return false;
}
}
@@ -1763,26 +1764,26 @@ fabricate_dcb_encoder_table(struct drm_device *dev, struct nvbios *bios)
#ifdef __powerpc__
/* Apple iMac G4 NV17 */
if (of_machine_is_compatible("PowerMac4,5")) {
- fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 0, all_heads, 1);
- fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG, 1, all_heads, 2);
+ fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 0, all_heads, DCB_OUTPUT_B);
+ fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG, 1, all_heads, DCB_OUTPUT_C);
return;
}
#endif
/* Make up some sane defaults */
fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG,
- bios->legacy.i2c_indices.crt, 1, 1);
+ bios->legacy.i2c_indices.crt, 1, DCB_OUTPUT_B);
if (nv04_tv_identify(dev, bios->legacy.i2c_indices.tv) >= 0)
fabricate_dcb_output(dcb, DCB_OUTPUT_TV,
bios->legacy.i2c_indices.tv,
- all_heads, 0);
+ all_heads, DCB_OUTPUT_A);
else if (bios->tmds.output0_script_ptr ||
bios->tmds.output1_script_ptr)
fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS,
bios->legacy.i2c_indices.panel,
- all_heads, 1);
+ all_heads, DCB_OUTPUT_B);
}
static int
--
GitLab
From 09492cb45100cab909cabe164deb7cdc14e38634 Mon Sep 17 00:00:00 2001
From: Yang Li <yang.lee@linux.alibaba.com>
Date: Fri, 15 Mar 2024 16:02:53 +0800
Subject: [PATCH 2578/2686] cuse: add kernel-doc comments to
cuse_process_init_reply()
This commit adds kernel-doc style comments with complete parameter
descriptions for the function cuse_process_init_reply.
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
---
fs/fuse/cuse.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
index b6cad106c37e4..0b2da7b7e2ad0 100644
--- a/fs/fuse/cuse.c
+++ b/fs/fuse/cuse.c
@@ -310,6 +310,10 @@ struct cuse_init_args {
/**
* cuse_process_init_reply - finish initializing CUSE channel
*
+ * @fm: The fuse mount information containing the CUSE connection.
+ * @args: The arguments passed to the init reply.
+ * @error: The error code signifying if any error occurred during the process.
+ *
* This function creates the character device and sets up all the
* required data structures for it. Please read the comment at the
* top of this file for high level overview.
--
GitLab
From 460b0d33cf10eee33de651381d3170ef13241650 Mon Sep 17 00:00:00 2001
From: Jakub Kicinski <kuba@kernel.org>
Date: Thu, 11 Apr 2024 11:02:02 -0700
Subject: [PATCH 2579/2686] inet: bring NLM_DONE out to a separate recv() again
Commit under Fixes optimized the number of recv() calls
needed during RTM_GETROUTE dumps, but we got multiple
reports of applications hanging on recv() calls.
Applications expect that a route dump will be terminated
with a recv() reading an individual NLM_DONE message.
Coalescing NLM_DONE is perfectly legal in netlink,
but even tho reporters fixed the code in respective
projects, chances are it will take time for those
applications to get updated. So revert to old behavior
(for now)?
Old kernel (5.19):
$ ./cli.py --dbg-small-recv 4096 --spec netlink/specs/rt_route.yaml \
--dump getroute --json '{"rtm-family": 2}'
Recv: read 692 bytes, 11 messages
nl_len = 68 (52) nl_flags = 0x22 nl_type = 24
...
nl_len = 60 (44) nl_flags = 0x22 nl_type = 24
Recv: read 20 bytes, 1 messages
nl_len = 20 (4) nl_flags = 0x2 nl_type = 3
Before (6.9-rc2):
$ ./cli.py --dbg-small-recv 4096 --spec netlink/specs/rt_route.yaml \
--dump getroute --json '{"rtm-family": 2}'
Recv: read 712 bytes, 12 messages
nl_len = 68 (52) nl_flags = 0x22 nl_type = 24
...
nl_len = 60 (44) nl_flags = 0x22 nl_type = 24
nl_len = 20 (4) nl_flags = 0x2 nl_type = 3
After:
$ ./cli.py --dbg-small-recv 4096 --spec netlink/specs/rt_route.yaml \
--dump getroute --json '{"rtm-family": 2}'
Recv: read 692 bytes, 11 messages
nl_len = 68 (52) nl_flags = 0x22 nl_type = 24
...
nl_len = 60 (44) nl_flags = 0x22 nl_type = 24
Recv: read 20 bytes, 1 messages
nl_len = 20 (4) nl_flags = 0x2 nl_type = 3
Reported-by: Stefano Brivio <sbrivio@redhat.com>
Link: https://lore.kernel.org/all/20240315124808.033ff58d@elisabeth
Reported-by: Ilya Maximets <i.maximets@ovn.org>
Link: https://lore.kernel.org/all/02b50aae-f0e9-47a4-8365-a977a85975d3@ovn.org
Fixes: 4ce5dc9316de ("inet: switch inet_dump_fib() to RCU protection")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tested-by: Ilya Maximets <i.maximets@ovn.org>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv4/fib_frontend.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 48741352a88a7..c484b1c0fc00a 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1050,6 +1050,11 @@ static int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
e++;
}
}
+
+ /* Don't let NLM_DONE coalesce into a message, even if it could.
+ * Some user space expects NLM_DONE in a separate recv().
+ */
+ err = skb->len;
out:
cb->args[1] = e;
--
GitLab
From 75ce9506ee3dc66648a7d74ab3b0acfa364d6d43 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Asbj=C3=B8rn=20Sloth=20T=C3=B8nnesen?= <ast@fiberby.net>
Date: Fri, 12 Apr 2024 12:02:56 +0000
Subject: [PATCH 2580/2686] octeontx2-pf: fix FLOW_DIS_IS_FRAGMENT
implementation
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Upon reviewing the flower control flags handling in
this driver, I notice that the key wasn't being used,
only the mask.
Ie. `tc flower ... ip_flags nofrag` was hardware
offloaded as `... ip_flags frag`.
Only compile tested, no access to HW.
Fixes: c672e3727989 ("octeontx2-pf: Add support to filter packet based on IP fragment")
Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
index 87bdb93cb066e..f4655a8c0705d 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
@@ -689,6 +689,7 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node,
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) {
struct flow_match_control match;
+ u32 val;
flow_rule_match_control(rule, &match);
if (match.mask->flags & FLOW_DIS_FIRST_FRAG) {
@@ -697,12 +698,14 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node,
}
if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) {
+ val = match.key->flags & FLOW_DIS_IS_FRAGMENT;
if (ntohs(flow_spec->etype) == ETH_P_IP) {
- flow_spec->ip_flag = IPV4_FLAG_MORE;
+ flow_spec->ip_flag = val ? IPV4_FLAG_MORE : 0;
flow_mask->ip_flag = IPV4_FLAG_MORE;
req->features |= BIT_ULL(NPC_IPFRAG_IPV4);
} else if (ntohs(flow_spec->etype) == ETH_P_IPV6) {
- flow_spec->next_header = IPPROTO_FRAGMENT;
+ flow_spec->next_header = val ?
+ IPPROTO_FRAGMENT : 0;
flow_mask->next_header = 0xff;
req->features |= BIT_ULL(NPC_IPFRAG_IPV6);
} else {
--
GitLab
From b6976f323a8687cc0d55bc92c2086fd934324ed5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <ckoenig.leichtzumerken@gmail.com>
Date: Mon, 15 Apr 2024 15:48:21 +0200
Subject: [PATCH 2581/2686] drm/ttm: stop pooling cached NUMA pages v2
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
We only pool write combined and uncached allocations because they
require extra overhead on allocation and release.
If we also pool cached NUMA it not only means some extra unnecessary
overhead, but also that under memory pressure it can happen that
pages from the wrong NUMA node enters the pool and are re-used
over and over again.
This can lead to performance reduction after running into memory
pressure.
v2: restructure and cleanup the code a bit from the internal hack to
test this.
Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: 4482d3c94d7f ("drm/ttm: add NUMA node id to the pool")
CC: stable@vger.kernel.org
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240415134821.1919-1-christian.koenig@amd.com
---
drivers/gpu/drm/ttm/ttm_pool.c | 38 +++++++++++++++++++++++++---------
1 file changed, 28 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_pool.c b/drivers/gpu/drm/ttm/ttm_pool.c
index 112438d965ffb..6e1fd6985ffcb 100644
--- a/drivers/gpu/drm/ttm/ttm_pool.c
+++ b/drivers/gpu/drm/ttm/ttm_pool.c
@@ -288,17 +288,23 @@ static struct ttm_pool_type *ttm_pool_select_type(struct ttm_pool *pool,
enum ttm_caching caching,
unsigned int order)
{
- if (pool->use_dma_alloc || pool->nid != NUMA_NO_NODE)
+ if (pool->use_dma_alloc)
return &pool->caching[caching].orders[order];
#ifdef CONFIG_X86
switch (caching) {
case ttm_write_combined:
+ if (pool->nid != NUMA_NO_NODE)
+ return &pool->caching[caching].orders[order];
+
if (pool->use_dma32)
return &global_dma32_write_combined[order];
return &global_write_combined[order];
case ttm_uncached:
+ if (pool->nid != NUMA_NO_NODE)
+ return &pool->caching[caching].orders[order];
+
if (pool->use_dma32)
return &global_dma32_uncached[order];
@@ -566,11 +572,17 @@ void ttm_pool_init(struct ttm_pool *pool, struct device *dev,
pool->use_dma_alloc = use_dma_alloc;
pool->use_dma32 = use_dma32;
- if (use_dma_alloc || nid != NUMA_NO_NODE) {
- for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i)
- for (j = 0; j < NR_PAGE_ORDERS; ++j)
- ttm_pool_type_init(&pool->caching[i].orders[j],
- pool, i, j);
+ for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i) {
+ for (j = 0; j < NR_PAGE_ORDERS; ++j) {
+ struct ttm_pool_type *pt;
+
+ /* Initialize only pool types which are actually used */
+ pt = ttm_pool_select_type(pool, i, j);
+ if (pt != &pool->caching[i].orders[j])
+ continue;
+
+ ttm_pool_type_init(pt, pool, i, j);
+ }
}
}
EXPORT_SYMBOL(ttm_pool_init);
@@ -599,10 +611,16 @@ void ttm_pool_fini(struct ttm_pool *pool)
{
unsigned int i, j;
- if (pool->use_dma_alloc || pool->nid != NUMA_NO_NODE) {
- for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i)
- for (j = 0; j < NR_PAGE_ORDERS; ++j)
- ttm_pool_type_fini(&pool->caching[i].orders[j]);
+ for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i) {
+ for (j = 0; j < NR_PAGE_ORDERS; ++j) {
+ struct ttm_pool_type *pt;
+
+ pt = ttm_pool_select_type(pool, i, j);
+ if (pt != &pool->caching[i].orders[j])
+ continue;
+
+ ttm_pool_type_fini(pt);
+ }
}
/* We removed the pool types from the LRU, but we need to also make sure
--
GitLab
From a2ac1cbc5397eb4e400efa66c3337886d9a63026 Mon Sep 17 00:00:00 2001
From: Raag Jadav <raag.jadav@intel.com>
Date: Mon, 15 Apr 2024 13:10:51 +0530
Subject: [PATCH 2582/2686] pwm: dwc: allow suspend/resume for 16 channels
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
With 16 channel pwm support, we're registering two instances of pwm_chip
with 8 channels each. We need to update PM functions to use both instances
of pwm_chip during power state transitions.
Introduce struct dwc_pwm_drvdata and use it as driver_data, which will
maintain both instances of pwm_chip along with dwc_pwm_info and allow us
to use them inside suspend/resume handles.
Fixes: ebf2c89eb95e ("pwm: dwc: Add 16 channel support for Intel Elkhart Lake")
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240415074051.14681-1-raag.jadav@intel.com
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
drivers/pwm/pwm-dwc-core.c | 1 -
drivers/pwm/pwm-dwc.c | 88 ++++++++++++++++++++++++--------------
drivers/pwm/pwm-dwc.h | 6 +++
3 files changed, 63 insertions(+), 32 deletions(-)
diff --git a/drivers/pwm/pwm-dwc-core.c b/drivers/pwm/pwm-dwc-core.c
index 043736972cb92..c8425493b95d8 100644
--- a/drivers/pwm/pwm-dwc-core.c
+++ b/drivers/pwm/pwm-dwc-core.c
@@ -172,7 +172,6 @@ struct pwm_chip *dwc_pwm_alloc(struct device *dev)
dwc->clk_ns = 10;
chip->ops = &dwc_pwm_ops;
- dev_set_drvdata(dev, chip);
return chip;
}
EXPORT_SYMBOL_GPL(dwc_pwm_alloc);
diff --git a/drivers/pwm/pwm-dwc.c b/drivers/pwm/pwm-dwc.c
index 676eaf8d7a53f..fb3eadf6fbc46 100644
--- a/drivers/pwm/pwm-dwc.c
+++ b/drivers/pwm/pwm-dwc.c
@@ -31,26 +31,34 @@ static const struct dwc_pwm_info ehl_pwm_info = {
.size = 0x1000,
};
-static int dwc_pwm_init_one(struct device *dev, void __iomem *base, unsigned int offset)
+static int dwc_pwm_init_one(struct device *dev, struct dwc_pwm_drvdata *ddata, unsigned int idx)
{
struct pwm_chip *chip;
struct dwc_pwm *dwc;
+ int ret;
chip = dwc_pwm_alloc(dev);
if (IS_ERR(chip))
return PTR_ERR(chip);
dwc = to_dwc_pwm(chip);
- dwc->base = base + offset;
+ dwc->base = ddata->io_base + (ddata->info->size * idx);
- return devm_pwmchip_add(dev, chip);
+ ret = devm_pwmchip_add(dev, chip);
+ if (ret)
+ return ret;
+
+ ddata->chips[idx] = chip;
+ return 0;
}
static int dwc_pwm_probe(struct pci_dev *pci, const struct pci_device_id *id)
{
const struct dwc_pwm_info *info;
struct device *dev = &pci->dev;
- int i, ret;
+ struct dwc_pwm_drvdata *ddata;
+ unsigned int idx;
+ int ret;
ret = pcim_enable_device(pci);
if (ret)
@@ -63,17 +71,25 @@ static int dwc_pwm_probe(struct pci_dev *pci, const struct pci_device_id *id)
return dev_err_probe(dev, ret, "Failed to iomap PCI BAR\n");
info = (const struct dwc_pwm_info *)id->driver_data;
-
- for (i = 0; i < info->nr; i++) {
- /*
- * No need to check for pcim_iomap_table() failure,
- * pcim_iomap_regions() already does it for us.
- */
- ret = dwc_pwm_init_one(dev, pcim_iomap_table(pci)[0], i * info->size);
+ ddata = devm_kzalloc(dev, struct_size(ddata, chips, info->nr), GFP_KERNEL);
+ if (!ddata)
+ return -ENOMEM;
+
+ /*
+ * No need to check for pcim_iomap_table() failure,
+ * pcim_iomap_regions() already does it for us.
+ */
+ ddata->io_base = pcim_iomap_table(pci)[0];
+ ddata->info = info;
+
+ for (idx = 0; idx < ddata->info->nr; idx++) {
+ ret = dwc_pwm_init_one(dev, ddata, idx);
if (ret)
return ret;
}
+ dev_set_drvdata(dev, ddata);
+
pm_runtime_put(dev);
pm_runtime_allow(dev);
@@ -88,19 +104,24 @@ static void dwc_pwm_remove(struct pci_dev *pci)
static int dwc_pwm_suspend(struct device *dev)
{
- struct pwm_chip *chip = dev_get_drvdata(dev);
- struct dwc_pwm *dwc = to_dwc_pwm(chip);
- int i;
-
- for (i = 0; i < DWC_TIMERS_TOTAL; i++) {
- if (chip->pwms[i].state.enabled) {
- dev_err(dev, "PWM %u in use by consumer (%s)\n",
- i, chip->pwms[i].label);
- return -EBUSY;
+ struct dwc_pwm_drvdata *ddata = dev_get_drvdata(dev);
+ unsigned int idx;
+
+ for (idx = 0; idx < ddata->info->nr; idx++) {
+ struct pwm_chip *chip = ddata->chips[idx];
+ struct dwc_pwm *dwc = to_dwc_pwm(chip);
+ unsigned int i;
+
+ for (i = 0; i < DWC_TIMERS_TOTAL; i++) {
+ if (chip->pwms[i].state.enabled) {
+ dev_err(dev, "PWM %u in use by consumer (%s)\n",
+ i, chip->pwms[i].label);
+ return -EBUSY;
+ }
+ dwc->ctx[i].cnt = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT(i));
+ dwc->ctx[i].cnt2 = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT2(i));
+ dwc->ctx[i].ctrl = dwc_pwm_readl(dwc, DWC_TIM_CTRL(i));
}
- dwc->ctx[i].cnt = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT(i));
- dwc->ctx[i].cnt2 = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT2(i));
- dwc->ctx[i].ctrl = dwc_pwm_readl(dwc, DWC_TIM_CTRL(i));
}
return 0;
@@ -108,14 +129,19 @@ static int dwc_pwm_suspend(struct device *dev)
static int dwc_pwm_resume(struct device *dev)
{
- struct pwm_chip *chip = dev_get_drvdata(dev);
- struct dwc_pwm *dwc = to_dwc_pwm(chip);
- int i;
-
- for (i = 0; i < DWC_TIMERS_TOTAL; i++) {
- dwc_pwm_writel(dwc, dwc->ctx[i].cnt, DWC_TIM_LD_CNT(i));
- dwc_pwm_writel(dwc, dwc->ctx[i].cnt2, DWC_TIM_LD_CNT2(i));
- dwc_pwm_writel(dwc, dwc->ctx[i].ctrl, DWC_TIM_CTRL(i));
+ struct dwc_pwm_drvdata *ddata = dev_get_drvdata(dev);
+ unsigned int idx;
+
+ for (idx = 0; idx < ddata->info->nr; idx++) {
+ struct pwm_chip *chip = ddata->chips[idx];
+ struct dwc_pwm *dwc = to_dwc_pwm(chip);
+ unsigned int i;
+
+ for (i = 0; i < DWC_TIMERS_TOTAL; i++) {
+ dwc_pwm_writel(dwc, dwc->ctx[i].cnt, DWC_TIM_LD_CNT(i));
+ dwc_pwm_writel(dwc, dwc->ctx[i].cnt2, DWC_TIM_LD_CNT2(i));
+ dwc_pwm_writel(dwc, dwc->ctx[i].ctrl, DWC_TIM_CTRL(i));
+ }
}
return 0;
diff --git a/drivers/pwm/pwm-dwc.h b/drivers/pwm/pwm-dwc.h
index a8b074841ae80..c6e2df5a61227 100644
--- a/drivers/pwm/pwm-dwc.h
+++ b/drivers/pwm/pwm-dwc.h
@@ -38,6 +38,12 @@ struct dwc_pwm_info {
unsigned int size;
};
+struct dwc_pwm_drvdata {
+ const struct dwc_pwm_info *info;
+ void __iomem *io_base;
+ struct pwm_chip *chips[];
+};
+
struct dwc_pwm_ctx {
u32 cnt;
u32 cnt2;
--
GitLab
From fb7c3d8ba039df877886fd457538d8b24ca9c84b Mon Sep 17 00:00:00 2001
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: Thu, 4 Apr 2024 10:18:08 +0200
Subject: [PATCH 2583/2686] dt-bindings: pwm: mediatek,pwm-disp: Document
power-domains property
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Allow the power-domains property to the PWM_DISP block as on some SoCs
this does need at most one power domain.
Fixes: b09b179bac0a ("dt-bindings: pwm: Convert pwm-mtk-disp.txt to mediatek,pwm-disp.yaml format")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240404081808.92199-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
index afcdeed4e88af..bc813fe74faba 100644
--- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
+++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
@@ -52,6 +52,9 @@ properties:
- const: main
- const: mm
+ power-domains:
+ maxItems: 1
+
required:
- compatible
- reg
--
GitLab
From b32233accefff1338806f064fb9b62cf5bc0609f Mon Sep 17 00:00:00 2001
From: Zack Rusin <zack.rusin@broadcom.com>
Date: Thu, 11 Apr 2024 22:55:09 -0400
Subject: [PATCH 2584/2686] drm/vmwgfx: Fix prime import/export
vmwgfx never supported prime import of external buffers. Furthermore the
driver exposes two different objects to userspace: vmw_surface's and
gem buffers but prime import/export only worked with vmw_surfaces.
Because gem buffers are used through the dumb_buffer interface this meant
that the driver created buffers couldn't have been prime exported or
imported.
Fix prime import/export. Makes IGT's kms_prime pass.
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Fixes: 8afa13a0583f ("drm/vmwgfx: Implement DRIVER_GEM")
Cc: <stable@vger.kernel.org> # v6.6+
Reviewed-by: Martin Krastev <martin.krastev@broadcom.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412025511.78553-4-zack.rusin@broadcom.com
---
drivers/gpu/drm/vmwgfx/vmwgfx_blit.c | 35 +++++++++++++++--
drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 7 ++--
drivers/gpu/drm/vmwgfx/vmwgfx_bo.h | 2 +
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 1 +
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 3 ++
drivers/gpu/drm/vmwgfx/vmwgfx_gem.c | 32 ++++++++++++++++
drivers/gpu/drm/vmwgfx/vmwgfx_prime.c | 15 +++++++-
drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 44 +++++++++++++++-------
8 files changed, 117 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
index c52c7bf1485b1..717d624e9a052 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
@@ -456,8 +456,10 @@ int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
.no_wait_gpu = false
};
u32 j, initial_line = dst_offset / dst_stride;
- struct vmw_bo_blit_line_data d;
+ struct vmw_bo_blit_line_data d = {0};
int ret = 0;
+ struct page **dst_pages = NULL;
+ struct page **src_pages = NULL;
/* Buffer objects need to be either pinned or reserved: */
if (!(dst->pin_count))
@@ -477,12 +479,35 @@ int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
return ret;
}
+ if (!src->ttm->pages && src->ttm->sg) {
+ src_pages = kvmalloc_array(src->ttm->num_pages,
+ sizeof(struct page *), GFP_KERNEL);
+ if (!src_pages)
+ return -ENOMEM;
+ ret = drm_prime_sg_to_page_array(src->ttm->sg, src_pages,
+ src->ttm->num_pages);
+ if (ret)
+ goto out;
+ }
+ if (!dst->ttm->pages && dst->ttm->sg) {
+ dst_pages = kvmalloc_array(dst->ttm->num_pages,
+ sizeof(struct page *), GFP_KERNEL);
+ if (!dst_pages) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ ret = drm_prime_sg_to_page_array(dst->ttm->sg, dst_pages,
+ dst->ttm->num_pages);
+ if (ret)
+ goto out;
+ }
+
d.mapped_dst = 0;
d.mapped_src = 0;
d.dst_addr = NULL;
d.src_addr = NULL;
- d.dst_pages = dst->ttm->pages;
- d.src_pages = src->ttm->pages;
+ d.dst_pages = dst->ttm->pages ? dst->ttm->pages : dst_pages;
+ d.src_pages = src->ttm->pages ? src->ttm->pages : src_pages;
d.dst_num_pages = PFN_UP(dst->resource->size);
d.src_num_pages = PFN_UP(src->resource->size);
d.dst_prot = ttm_io_prot(dst, dst->resource, PAGE_KERNEL);
@@ -504,6 +529,10 @@ int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
kunmap_atomic(d.src_addr);
if (d.dst_addr)
kunmap_atomic(d.dst_addr);
+ if (src_pages)
+ kvfree(src_pages);
+ if (dst_pages)
+ kvfree(dst_pages);
return ret;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index bfd41ce3c8f4f..e5eb21a471a60 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -377,7 +377,8 @@ static int vmw_bo_init(struct vmw_private *dev_priv,
{
struct ttm_operation_ctx ctx = {
.interruptible = params->bo_type != ttm_bo_type_kernel,
- .no_wait_gpu = false
+ .no_wait_gpu = false,
+ .resv = params->resv,
};
struct ttm_device *bdev = &dev_priv->bdev;
struct drm_device *vdev = &dev_priv->drm;
@@ -394,8 +395,8 @@ static int vmw_bo_init(struct vmw_private *dev_priv,
vmw_bo_placement_set(vmw_bo, params->domain, params->busy_domain);
ret = ttm_bo_init_reserved(bdev, &vmw_bo->tbo, params->bo_type,
- &vmw_bo->placement, 0, &ctx, NULL,
- NULL, destroy);
+ &vmw_bo->placement, 0, &ctx,
+ params->sg, params->resv, destroy);
if (unlikely(ret))
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h
index 0d496dc9c6af7..f349642e6190d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h
@@ -55,6 +55,8 @@ struct vmw_bo_params {
enum ttm_bo_type bo_type;
size_t size;
bool pin;
+ struct dma_resv *resv;
+ struct sg_table *sg;
};
/**
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 0a304706e0132..58fb40c93100a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1628,6 +1628,7 @@ static const struct drm_driver driver = {
.prime_fd_to_handle = vmw_prime_fd_to_handle,
.prime_handle_to_fd = vmw_prime_handle_to_fd,
+ .gem_prime_import_sg_table = vmw_prime_import_sg_table,
.fops = &vmwgfx_driver_fops,
.name = VMWGFX_DRIVER_NAME,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 12efecc17df66..b019a1a1787af 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -1130,6 +1130,9 @@ extern int vmw_prime_handle_to_fd(struct drm_device *dev,
struct drm_file *file_priv,
uint32_t handle, uint32_t flags,
int *prime_fd);
+struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev,
+ struct dma_buf_attachment *attach,
+ struct sg_table *table);
/*
* MemoryOBject management - vmwgfx_mob.c
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c
index 12787bb9c111d..d6bcaf078b1f4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c
@@ -149,6 +149,38 @@ int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv,
return ret;
}
+struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev,
+ struct dma_buf_attachment *attach,
+ struct sg_table *table)
+{
+ int ret;
+ struct vmw_private *dev_priv = vmw_priv(dev);
+ struct drm_gem_object *gem = NULL;
+ struct vmw_bo *vbo;
+ struct vmw_bo_params params = {
+ .domain = (dev_priv->has_mob) ? VMW_BO_DOMAIN_SYS : VMW_BO_DOMAIN_VRAM,
+ .busy_domain = VMW_BO_DOMAIN_SYS,
+ .bo_type = ttm_bo_type_sg,
+ .size = attach->dmabuf->size,
+ .pin = false,
+ .resv = attach->dmabuf->resv,
+ .sg = table,
+
+ };
+
+ dma_resv_lock(params.resv, NULL);
+
+ ret = vmw_bo_create(dev_priv, ¶ms, &vbo);
+ if (ret != 0)
+ goto out_no_bo;
+
+ vbo->tbo.base.funcs = &vmw_gem_object_funcs;
+
+ gem = &vbo->tbo.base;
+out_no_bo:
+ dma_resv_unlock(params.resv);
+ return gem;
+}
int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *filp)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c
index 2d72a5ee7c0c7..c99cad4449915 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c
@@ -75,8 +75,12 @@ int vmw_prime_fd_to_handle(struct drm_device *dev,
int fd, u32 *handle)
{
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+ int ret = ttm_prime_fd_to_handle(tfile, fd, handle);
- return ttm_prime_fd_to_handle(tfile, fd, handle);
+ if (ret)
+ ret = drm_gem_prime_fd_to_handle(dev, file_priv, fd, handle);
+
+ return ret;
}
int vmw_prime_handle_to_fd(struct drm_device *dev,
@@ -85,5 +89,12 @@ int vmw_prime_handle_to_fd(struct drm_device *dev,
int *prime_fd)
{
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
- return ttm_prime_handle_to_fd(tfile, handle, flags, prime_fd);
+ int ret;
+
+ if (handle > VMWGFX_NUM_MOB)
+ ret = ttm_prime_handle_to_fd(tfile, handle, flags, prime_fd);
+ else
+ ret = drm_gem_prime_handle_to_fd(dev, file_priv, handle, flags, prime_fd);
+
+ return ret;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index 4d23d0a70bcb7..621d98b376bbb 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -188,13 +188,18 @@ static int vmw_ttm_map_dma(struct vmw_ttm_tt *vmw_tt)
switch (dev_priv->map_mode) {
case vmw_dma_map_bind:
case vmw_dma_map_populate:
- vsgt->sgt = &vmw_tt->sgt;
- ret = sg_alloc_table_from_pages_segment(
- &vmw_tt->sgt, vsgt->pages, vsgt->num_pages, 0,
- (unsigned long)vsgt->num_pages << PAGE_SHIFT,
- dma_get_max_seg_size(dev_priv->drm.dev), GFP_KERNEL);
- if (ret)
- goto out_sg_alloc_fail;
+ if (vmw_tt->dma_ttm.page_flags & TTM_TT_FLAG_EXTERNAL) {
+ vsgt->sgt = vmw_tt->dma_ttm.sg;
+ } else {
+ vsgt->sgt = &vmw_tt->sgt;
+ ret = sg_alloc_table_from_pages_segment(&vmw_tt->sgt,
+ vsgt->pages, vsgt->num_pages, 0,
+ (unsigned long)vsgt->num_pages << PAGE_SHIFT,
+ dma_get_max_seg_size(dev_priv->drm.dev),
+ GFP_KERNEL);
+ if (ret)
+ goto out_sg_alloc_fail;
+ }
ret = vmw_ttm_map_for_dma(vmw_tt);
if (unlikely(ret != 0))
@@ -209,8 +214,9 @@ static int vmw_ttm_map_dma(struct vmw_ttm_tt *vmw_tt)
return 0;
out_map_fail:
- sg_free_table(vmw_tt->vsgt.sgt);
- vmw_tt->vsgt.sgt = NULL;
+ drm_warn(&dev_priv->drm, "VSG table map failed!");
+ sg_free_table(vsgt->sgt);
+ vsgt->sgt = NULL;
out_sg_alloc_fail:
return ret;
}
@@ -356,15 +362,17 @@ static void vmw_ttm_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
static int vmw_ttm_populate(struct ttm_device *bdev,
struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
{
- int ret;
+ bool external = (ttm->page_flags & TTM_TT_FLAG_EXTERNAL) != 0;
- /* TODO: maybe completely drop this ? */
if (ttm_tt_is_populated(ttm))
return 0;
- ret = ttm_pool_alloc(&bdev->pool, ttm, ctx);
+ if (external && ttm->sg)
+ return drm_prime_sg_to_dma_addr_array(ttm->sg,
+ ttm->dma_address,
+ ttm->num_pages);
- return ret;
+ return ttm_pool_alloc(&bdev->pool, ttm, ctx);
}
static void vmw_ttm_unpopulate(struct ttm_device *bdev,
@@ -372,6 +380,10 @@ static void vmw_ttm_unpopulate(struct ttm_device *bdev,
{
struct vmw_ttm_tt *vmw_tt = container_of(ttm, struct vmw_ttm_tt,
dma_ttm);
+ bool external = (ttm->page_flags & TTM_TT_FLAG_EXTERNAL) != 0;
+
+ if (external)
+ return;
vmw_ttm_unbind(bdev, ttm);
@@ -390,6 +402,7 @@ static struct ttm_tt *vmw_ttm_tt_create(struct ttm_buffer_object *bo,
{
struct vmw_ttm_tt *vmw_be;
int ret;
+ bool external = bo->type == ttm_bo_type_sg;
vmw_be = kzalloc(sizeof(*vmw_be), GFP_KERNEL);
if (!vmw_be)
@@ -398,7 +411,10 @@ static struct ttm_tt *vmw_ttm_tt_create(struct ttm_buffer_object *bo,
vmw_be->dev_priv = vmw_priv_from_ttm(bo->bdev);
vmw_be->mob = NULL;
- if (vmw_be->dev_priv->map_mode == vmw_dma_alloc_coherent)
+ if (external)
+ page_flags |= TTM_TT_FLAG_EXTERNAL | TTM_TT_FLAG_EXTERNAL_MAPPABLE;
+
+ if (vmw_be->dev_priv->map_mode == vmw_dma_alloc_coherent || external)
ret = ttm_sg_tt_init(&vmw_be->dma_ttm, bo, page_flags,
ttm_cached);
else
--
GitLab
From a60ccade88f926e871a57176e86a34bbf0db0098 Mon Sep 17 00:00:00 2001
From: Zack Rusin <zack.rusin@broadcom.com>
Date: Thu, 11 Apr 2024 22:55:10 -0400
Subject: [PATCH 2585/2686] drm/vmwgfx: Fix crtc's atomic check conditional
The conditional was supposed to prevent enabling of a crtc state
without a set primary plane. Accidently it also prevented disabling
crtc state with a set primary plane. Neither is correct.
Fix the conditional and just driver-warn when a crtc state has been
enabled without a primary plane which will help debug broken userspace.
Fixes IGT's kms_atomic_interruptible and kms_atomic_transition tests.
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Fixes: 06ec41909e31 ("drm/vmwgfx: Add and connect CRTC helper functions")
Cc: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v4.12+
Reviewed-by: Ian Forbes <ian.forbes@broadcom.com>
Reviewed-by: Martin Krastev <martin.krastev@broadcom.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412025511.78553-5-zack.rusin@broadcom.com
---
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index cd4925346ed45..84ae4e10a2ebe 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -933,6 +933,7 @@ int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane,
int vmw_du_crtc_atomic_check(struct drm_crtc *crtc,
struct drm_atomic_state *state)
{
+ struct vmw_private *vmw = vmw_priv(crtc->dev);
struct drm_crtc_state *new_state = drm_atomic_get_new_crtc_state(state,
crtc);
struct vmw_display_unit *du = vmw_crtc_to_du(new_state->crtc);
@@ -940,9 +941,13 @@ int vmw_du_crtc_atomic_check(struct drm_crtc *crtc,
bool has_primary = new_state->plane_mask &
drm_plane_mask(crtc->primary);
- /* We always want to have an active plane with an active CRTC */
- if (has_primary != new_state->enable)
- return -EINVAL;
+ /*
+ * This is fine in general, but broken userspace might expect
+ * some actual rendering so give a clue as why it's blank.
+ */
+ if (new_state->enable && !has_primary)
+ drm_dbg_driver(&vmw->drm,
+ "CRTC without a primary plane will be blank.\n");
if (new_state->connector_mask != connector_mask &&
--
GitLab
From d4c972bff3129a9dd4c22a3999fd8eba1a81531a Mon Sep 17 00:00:00 2001
From: Zack Rusin <zack.rusin@broadcom.com>
Date: Thu, 11 Apr 2024 22:55:11 -0400
Subject: [PATCH 2586/2686] drm/vmwgfx: Sort primary plane formats by order of
preference
The table of primary plane formats wasn't sorted at all, leading to
applications picking our least desirable formats by defaults.
Sort the primary plane formats according to our order of preference.
Nice side-effect of this change is that it makes IGT's kms_atomic
plane-invalid-params pass because the test picks the first format
which for vmwgfx was DRM_FORMAT_XRGB1555 and uses fb's with odd sizes
which make Pixman, which IGT depends on assert due to the fact that our
16bpp formats aren't 32 bit aligned like Pixman requires all formats
to be.
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Fixes: 36cc79bc9077 ("drm/vmwgfx: Add universal plane support")
Cc: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v4.12+
Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412025511.78553-6-zack.rusin@broadcom.com
---
drivers/gpu/drm/vmwgfx/vmwgfx_kms.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
index a94947b588e85..19a843da87b78 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
@@ -243,10 +243,10 @@ struct vmw_framebuffer_bo {
static const uint32_t __maybe_unused vmw_primary_plane_formats[] = {
- DRM_FORMAT_XRGB1555,
- DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_RGB565,
+ DRM_FORMAT_XRGB1555,
};
static const uint32_t __maybe_unused vmw_cursor_plane_formats[] = {
--
GitLab
From 015a12a4a6708d9cadcaea8334e270747923394c Mon Sep 17 00:00:00 2001
From: Anshuman Khandual <anshuman.khandual@arm.com>
Date: Mon, 15 Apr 2024 15:10:03 +0530
Subject: [PATCH 2587/2686] arm64/hugetlb: Fix page table walk in
huge_pte_alloc()
Currently normal HugeTLB fault ends up crashing the kernel, as p4dp derived
from p4d_offset() is an invalid address when PGTABLE_LEVEL = 5. A p4d level
entry needs to be allocated when not available while walking the page table
during HugeTLB faults. Let's call p4d_alloc() to allocate such entries when
required instead of current p4d_offset().
Unable to handle kernel paging request at virtual address ffffffff80000000
Mem abort info:
ESR = 0x0000000096000005
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x05: level 1 translation fault
Data abort info:
ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
swapper pgtable: 4k pages, 52-bit VAs, pgdp=0000000081da9000
[ffffffff80000000] pgd=1000000082cec003, p4d=0000000082c32003, pud=0000000000000000
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 108 Comm: high_addr_hugep Not tainted 6.9.0-rc4 #48
Hardware name: Foundation-v8A (DT)
pstate: 01402005 (nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : huge_pte_alloc+0xd4/0x334
lr : hugetlb_fault+0x1b8/0xc68
sp : ffff8000833bbc20
x29: ffff8000833bbc20 x28: fff000080080cb58 x27: ffff800082a7cc58
x26: 0000000000000000 x25: fff0000800378e40 x24: fff00008008d6c60
x23: 00000000de9dbf07 x22: fff0000800378e40 x21: 0004000000000000
x20: 0004000000000000 x19: ffffffff80000000 x18: 1ffe00010011d7a1
x17: 0000000000000001 x16: ffffffffffffffff x15: 0000000000000001
x14: 0000000000000000 x13: ffff8000816120d0 x12: ffffffffffffffff
x11: 0000000000000000 x10: fff00008008ebd0c x9 : 0004000000000000
x8 : 0000000000001255 x7 : fff00008003e2000 x6 : 00000000061d54b0
x5 : 0000000000001000 x4 : ffffffff80000000 x3 : 0000000000200000
x2 : 0000000000000004 x1 : 0000000080000000 x0 : 0000000000000000
Call trace:
huge_pte_alloc+0xd4/0x334
hugetlb_fault+0x1b8/0xc68
handle_mm_fault+0x260/0x29c
do_page_fault+0xfc/0x47c
do_translation_fault+0x68/0x74
do_mem_abort+0x44/0x94
el0_da+0x2c/0x9c
el0t_64_sync_handler+0x70/0xc4
el0t_64_sync+0x190/0x194
Code: aa000084 cb010084 b24c2c84 8b130c93 (f9400260)
---[ end trace 0000000000000000 ]---
Cc: Will Deacon <will@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Fixes: a6bbf5d4d9d1 ("arm64: mm: Add definitions to support 5 levels of paging")
Reported-by: Dev Jain <dev.jain@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Ryan Roberts <ryan.roberts@arm.com>
Link: https://lore.kernel.org/r/20240415094003.1812018-1-anshuman.khandual@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
arch/arm64/mm/hugetlbpage.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index 0f0e10bb0a954..b872b003a55f3 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -276,7 +276,10 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
pte_t *ptep = NULL;
pgdp = pgd_offset(mm, addr);
- p4dp = p4d_offset(pgdp, addr);
+ p4dp = p4d_alloc(mm, pgdp, addr);
+ if (!p4dp)
+ return NULL;
+
pudp = pud_alloc(mm, p4dp, addr);
if (!pudp)
return NULL;
--
GitLab
From 3078e059a5e984663c5c2b04485375c84c2700f9 Mon Sep 17 00:00:00 2001
From: Chao Yu <chao@kernel.org>
Date: Fri, 12 Apr 2024 14:36:38 +0800
Subject: [PATCH 2588/2686] bcachefs: fix error path of __bch2_read_super()
In __bch2_read_super(), if kstrdup() fails, it needs to release memory
in sb->holder, fix to call bch2_free_super() in the error path.
Signed-off-by: Chao Yu <chao@kernel.org>
Reviewed-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/super-io.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c
index e0aa3655b63b4..648986a7dbdee 100644
--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -700,8 +700,11 @@ static int __bch2_read_super(const char *path, struct bch_opts *opts,
return -ENOMEM;
sb->sb_name = kstrdup(path, GFP_KERNEL);
- if (!sb->sb_name)
- return -ENOMEM;
+ if (!sb->sb_name) {
+ ret = -ENOMEM;
+ prt_printf(&err, "error allocating memory for sb_name");
+ goto err;
+ }
#ifndef __KERNEL__
if (opt_get(*opts, direct_io) == false)
--
GitLab
From ad29cf999a9161e7849aa229d2028854f90728c2 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat, 13 Apr 2024 18:02:15 -0400
Subject: [PATCH 2589/2686] bcachefs: set_btree_iter_dontneed also clears
should_be_locked
This is part of a larger series cleaning up the semantics of
should_be_locked and adding assertions around it; if we don't need an
iterator/path anymore, it clearly doesn't need to be locked.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/btree_iter.h | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/fs/bcachefs/btree_iter.h b/fs/bcachefs/btree_iter.h
index 1d58d447b386c..1c70836dd7cce 100644
--- a/fs/bcachefs/btree_iter.h
+++ b/fs/bcachefs/btree_iter.h
@@ -498,8 +498,13 @@ static inline void set_btree_iter_dontneed(struct btree_iter *iter)
{
struct btree_trans *trans = iter->trans;
- if (!trans->restarted)
- btree_iter_path(trans, iter)->preserve = false;
+ if (!iter->path || trans->restarted)
+ return;
+
+ struct btree_path *path = btree_iter_path(trans, iter);
+ path->preserve = false;
+ if (path->ref == 1)
+ path->should_be_locked = false;
}
void *__bch2_trans_kmalloc(struct btree_trans *, size_t);
--
GitLab
From 35f4f8c9fc972248055096d63b782060e473311b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ma=C3=ADra=20Canal?= <mcanal@igalia.com>
Date: Wed, 3 Apr 2024 17:24:50 -0300
Subject: [PATCH 2590/2686] drm/v3d: Don't increment `enabled_ns` twice
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The commit 509433d8146c ("drm/v3d: Expose the total GPU usage stats on sysfs")
introduced the calculation of global GPU stats. For the regards, it used
the already existing infrastructure provided by commit 09a93cc4f7d1 ("drm/v3d:
Implement show_fdinfo() callback for GPU usage stats"). While adding
global GPU stats calculation ability, the author forgot to delete the
existing one.
Currently, the value of `enabled_ns` is incremented twice by the end of
the job, when it should be added just once. Therefore, delete the
leftovers from commit 509433d8146c ("drm/v3d: Expose the total GPU usage
stats on sysfs").
Fixes: 509433d8146c ("drm/v3d: Expose the total GPU usage stats on sysfs")
Reported-by: Tvrtko Ursulin <tursulin@igalia.com>
Signed-off-by: MaÃra Canal <mcanal@igalia.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240403203517.731876-2-mcanal@igalia.com
---
drivers/gpu/drm/v3d/v3d_irq.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c
index 2e04f6cb661e4..ce6b2fb341d1f 100644
--- a/drivers/gpu/drm/v3d/v3d_irq.c
+++ b/drivers/gpu/drm/v3d/v3d_irq.c
@@ -105,7 +105,6 @@ v3d_irq(int irq, void *arg)
struct v3d_file_priv *file = v3d->bin_job->base.file->driver_priv;
u64 runtime = local_clock() - file->start_ns[V3D_BIN];
- file->enabled_ns[V3D_BIN] += local_clock() - file->start_ns[V3D_BIN];
file->jobs_sent[V3D_BIN]++;
v3d->queue[V3D_BIN].jobs_sent++;
@@ -126,7 +125,6 @@ v3d_irq(int irq, void *arg)
struct v3d_file_priv *file = v3d->render_job->base.file->driver_priv;
u64 runtime = local_clock() - file->start_ns[V3D_RENDER];
- file->enabled_ns[V3D_RENDER] += local_clock() - file->start_ns[V3D_RENDER];
file->jobs_sent[V3D_RENDER]++;
v3d->queue[V3D_RENDER].jobs_sent++;
@@ -147,7 +145,6 @@ v3d_irq(int irq, void *arg)
struct v3d_file_priv *file = v3d->csd_job->base.file->driver_priv;
u64 runtime = local_clock() - file->start_ns[V3D_CSD];
- file->enabled_ns[V3D_CSD] += local_clock() - file->start_ns[V3D_CSD];
file->jobs_sent[V3D_CSD]++;
v3d->queue[V3D_CSD].jobs_sent++;
@@ -195,7 +192,6 @@ v3d_hub_irq(int irq, void *arg)
struct v3d_file_priv *file = v3d->tfu_job->base.file->driver_priv;
u64 runtime = local_clock() - file->start_ns[V3D_TFU];
- file->enabled_ns[V3D_TFU] += local_clock() - file->start_ns[V3D_TFU];
file->jobs_sent[V3D_TFU]++;
v3d->queue[V3D_TFU].jobs_sent++;
--
GitLab
From e048d668f2969cf2b76e0fa21882a1b3bb323eca Mon Sep 17 00:00:00 2001
From: Nathan Chancellor <nathan@kernel.org>
Date: Thu, 11 Apr 2024 11:11:06 -0700
Subject: [PATCH 2591/2686] configs/hardening: Fix disabling UBSAN
configurations
The initial change that added kernel/configs/hardening.config attempted
to disable all UBSAN sanitizers except for the array bounds one while
turning on UBSAN_TRAP. Unfortunately, it only got the syntax for
CONFIG_UBSAN_SHIFT correct, so configurations that are on by default
with CONFIG_UBSAN=y such as CONFIG_UBSAN_{BOOL,ENUM} do not get disabled
properly.
CONFIG_ARCH_HAS_UBSAN=y
CONFIG_UBSAN=y
CONFIG_UBSAN_TRAP=y
CONFIG_CC_HAS_UBSAN_BOUNDS_STRICT=y
CONFIG_UBSAN_BOUNDS=y
CONFIG_UBSAN_BOUNDS_STRICT=y
# CONFIG_UBSAN_SHIFT is not set
# CONFIG_UBSAN_DIV_ZERO is not set
# CONFIG_UBSAN_UNREACHABLE is not set
CONFIG_UBSAN_SIGNED_WRAP=y
CONFIG_UBSAN_BOOL=y
CONFIG_UBSAN_ENUM=y
# CONFIG_TEST_UBSAN is not set
Add the missing 'is not set' to each configuration that needs it so that
they get disabled as intended.
CONFIG_ARCH_HAS_UBSAN=y
CONFIG_UBSAN=y
CONFIG_UBSAN_TRAP=y
CONFIG_CC_HAS_UBSAN_BOUNDS_STRICT=y
CONFIG_UBSAN_BOUNDS=y
CONFIG_UBSAN_BOUNDS_STRICT=y
# CONFIG_UBSAN_SHIFT is not set
# CONFIG_UBSAN_DIV_ZERO is not set
# CONFIG_UBSAN_UNREACHABLE is not set
CONFIG_UBSAN_SIGNED_WRAP=y
# CONFIG_UBSAN_BOOL is not set
# CONFIG_UBSAN_ENUM is not set
# CONFIG_TEST_UBSAN is not set
Fixes: 215199e3d9f3 ("hardening: Provide Kconfig fragments for basic options")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20240411-fix-ubsan-in-hardening-config-v1-1-e0177c80ffaa@kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
---
kernel/configs/hardening.config | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/kernel/configs/hardening.config b/kernel/configs/hardening.config
index 7a5bbfc024b7d..d6f6dc45628aa 100644
--- a/kernel/configs/hardening.config
+++ b/kernel/configs/hardening.config
@@ -39,11 +39,11 @@ CONFIG_UBSAN=y
CONFIG_UBSAN_TRAP=y
CONFIG_UBSAN_BOUNDS=y
# CONFIG_UBSAN_SHIFT is not set
-# CONFIG_UBSAN_DIV_ZERO
-# CONFIG_UBSAN_UNREACHABLE
-# CONFIG_UBSAN_BOOL
-# CONFIG_UBSAN_ENUM
-# CONFIG_UBSAN_ALIGNMENT
+# CONFIG_UBSAN_DIV_ZERO is not set
+# CONFIG_UBSAN_UNREACHABLE is not set
+# CONFIG_UBSAN_BOOL is not set
+# CONFIG_UBSAN_ENUM is not set
+# CONFIG_UBSAN_ALIGNMENT is not set
# Sampling-based heap out-of-bounds and use-after-free detection.
CONFIG_KFENCE=y
--
GitLab
From 7fcb91d94e897413c0345bb32ea11293f33efbb1 Mon Sep 17 00:00:00 2001
From: Nathan Chancellor <nathan@kernel.org>
Date: Thu, 11 Apr 2024 11:11:07 -0700
Subject: [PATCH 2592/2686] configs/hardening: Disable CONFIG_UBSAN_SIGNED_WRAP
kernel/configs/hardening.config turns on UBSAN for the bounds sanitizer,
as that in combination with trapping can stop the exploitation of buffer
overflows within the kernel. At the same time, hardening.config turns
off every other UBSAN sanitizer because trapping means all UBSAN reports
will be fatal and the problems brought up by other sanitizers generally
do not have security implications.
The signed integer overflow sanitizer was recently added back to the
kernel and it is default on with just CONFIG_UBSAN=y, meaning that it
gets enabled when merging hardening.config into another configuration.
While this sanitizer does have security implications like the array
bounds sanitizer, work to clean up enough instances to allow this to run
in production environments is still ramping up, which means regular
users and testers may be broken by these instances with
CONFIG_UBSAN_TRAP=y. Disable CONFIG_UBSAN_SIGNED_WRAP in
hardening.config to avoid this situation.
Fixes: 557f8c582a9b ("ubsan: Reintroduce signed overflow sanitizer")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20240411-fix-ubsan-in-hardening-config-v1-2-e0177c80ffaa@kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
---
kernel/configs/hardening.config | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/configs/hardening.config b/kernel/configs/hardening.config
index d6f6dc45628aa..4b4cfcba31901 100644
--- a/kernel/configs/hardening.config
+++ b/kernel/configs/hardening.config
@@ -41,6 +41,7 @@ CONFIG_UBSAN_BOUNDS=y
# CONFIG_UBSAN_SHIFT is not set
# CONFIG_UBSAN_DIV_ZERO is not set
# CONFIG_UBSAN_UNREACHABLE is not set
+# CONFIG_UBSAN_SIGNED_WRAP is not set
# CONFIG_UBSAN_BOOL is not set
# CONFIG_UBSAN_ENUM is not set
# CONFIG_UBSAN_ALIGNMENT is not set
--
GitLab
From ee7e980dc7c9f22c142807c5f582a6524138f57a Mon Sep 17 00:00:00 2001
From: Lyude Paul <lyude@redhat.com>
Date: Thu, 4 Apr 2024 19:35:53 -0400
Subject: [PATCH 2593/2686] drm/nouveau/kms/nv50-: Disable AUX bus for
disconnected DP ports
GSP has its own state for keeping track of whether or not a given display
connector is plugged in or not, and enforces this state on the driver. In
particular, AUX transactions on a DisplayPort connector which GSP says is
disconnected can never succeed - and can in some cases even cause
unexpected timeouts, which can trickle up to cause other problems. A good
example of this is runtime power management: where we can actually get
stuck trying to resume the GPU if a userspace application like fwupd tries
accessing a drm_aux_dev for a disconnected port. This was an issue I hit a
few times with my Slimbook Executive 16 - where trying to offload something
to the discrete GPU would wake it up, and then potentially cause it to
timeout as fwupd tried to immediately access the dp_aux_dev nodes for
nouveau.
Likewise: we don't really have any cases I know of where we'd want to
ignore this state and try an aux transaction anyway - and failing pointless
aux transactions immediately can even speed things up. So - let's start
enabling/disabling the aux bus in nouveau_dp_detect() to fix this. We
enable the aux bus during connector probing, and leave it enabled if we
discover something is actually on the connector. Otherwise, we just shut it
off.
This should fix some people's runtime PM issues (like myself), and also get
rid of quite of a lot of GSP error spam in dmesg.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404233736.7946-2-lyude@redhat.com
(cherry picked from commit 9c8a10bf1f3467b2c16f6848249bdc7692ace825)
---
drivers/gpu/drm/nouveau/nouveau_dp.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c
index 7de7707ec6a89..3f6ccce20ea02 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dp.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dp.c
@@ -232,6 +232,9 @@ nouveau_dp_detect(struct nouveau_connector *nv_connector,
dpcd[DP_DPCD_REV] != 0)
return NOUVEAU_DP_SST;
+ // Ensure that the aux bus is enabled for probing
+ drm_dp_dpcd_set_powered(&nv_connector->aux, true);
+
mutex_lock(&nv_encoder->dp.hpd_irq_lock);
if (mstm) {
/* If we're not ready to handle MST state changes yet, just
@@ -293,6 +296,13 @@ nouveau_dp_detect(struct nouveau_connector *nv_connector,
if (mstm && !mstm->suspended && ret != NOUVEAU_DP_MST)
nv50_mstm_remove(mstm);
+ /* GSP doesn't like when we try to do aux transactions on a port it considers disconnected,
+ * and since we don't really have a usecase for that anyway - just disable the aux bus here
+ * if we've decided the connector is disconnected
+ */
+ if (ret == NOUVEAU_DP_NONE)
+ drm_dp_dpcd_set_powered(&nv_connector->aux, false);
+
mutex_unlock(&nv_encoder->dp.hpd_irq_lock);
return ret;
}
--
GitLab
From bf52d7f9b2067f02efe7e32697479097aba4a055 Mon Sep 17 00:00:00 2001
From: Lyude Paul <lyude@redhat.com>
Date: Thu, 4 Apr 2024 19:35:54 -0400
Subject: [PATCH 2594/2686] drm/nouveau/dp: Don't probe eDP ports twice harder
I didn't pay close enough attention the last time I tried to fix this
problem - while we currently do correctly take care to make sure we don't
probe a connected eDP port more then once, we don't do the same thing for
eDP ports we found to be disconnected.
So, fix this and make sure we only ever probe eDP ports once and then leave
them at that connector state forever (since without HPD, it's not going to
change on its own anyway). This should get rid of the last few GSP errors
getting spit out during runtime suspend and resume on some machines, as we
tried to reprobe eDP ports in response to ACPI hotplug probe events.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404233736.7946-3-lyude@redhat.com
(cherry picked from commit fe6660b661c3397af0867d5d098f5b26581f1290)
---
drivers/gpu/drm/nouveau/nouveau_dp.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c
index 3f6ccce20ea02..a72c45809484a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dp.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dp.c
@@ -225,12 +225,15 @@ nouveau_dp_detect(struct nouveau_connector *nv_connector,
u8 *dpcd = nv_encoder->dp.dpcd;
int ret = NOUVEAU_DP_NONE, hpd;
- /* If we've already read the DPCD on an eDP device, we don't need to
- * reread it as it won't change
+ /* eDP ports don't support hotplugging - so there's no point in probing eDP ports unless we
+ * haven't probed them once before.
*/
- if (connector->connector_type == DRM_MODE_CONNECTOR_eDP &&
- dpcd[DP_DPCD_REV] != 0)
- return NOUVEAU_DP_SST;
+ if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
+ if (connector->status == connector_status_connected)
+ return NOUVEAU_DP_SST;
+ else if (connector->status == connector_status_disconnected)
+ return NOUVEAU_DP_NONE;
+ }
// Ensure that the aux bus is enabled for probing
drm_dp_dpcd_set_powered(&nv_connector->aux, true);
--
GitLab
From f4626c12e4b538f757a73d08f4d86d564175b4f7 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Mon, 15 Apr 2024 11:28:35 -0700
Subject: [PATCH 2595/2686] ubsan: Add awareness of signed integer overflow
traps
On arm64, UBSAN traps can be decoded from the trap instruction. Add the
add, sub, and mul overflow trap codes now that CONFIG_UBSAN_SIGNED_WRAP
exists. Seen under clang 19:
Internal error: UBSAN: unrecognized failure code: 00000000f2005515 [#1] PREEMPT SMP
Reported-by: Nathan Chancellor <nathan@kernel.org>
Closes: https://lore.kernel.org/lkml/20240411-fix-ubsan-in-hardening-config-v1-0-e0177c80ffaa@kernel.org
Fixes: 557f8c582a9b ("ubsan: Reintroduce signed overflow sanitizer")
Tested-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20240415182832.work.932-kees@kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
---
lib/ubsan.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/lib/ubsan.c b/lib/ubsan.c
index 5fc107f61934c..a1c983d148f16 100644
--- a/lib/ubsan.c
+++ b/lib/ubsan.c
@@ -44,9 +44,10 @@ const char *report_ubsan_failure(struct pt_regs *regs, u32 check_type)
case ubsan_shift_out_of_bounds:
return "UBSAN: shift out of bounds";
#endif
-#ifdef CONFIG_UBSAN_DIV_ZERO
+#if defined(CONFIG_UBSAN_DIV_ZERO) || defined(CONFIG_UBSAN_SIGNED_WRAP)
/*
- * SanitizerKind::IntegerDivideByZero emits
+ * SanitizerKind::IntegerDivideByZero and
+ * SanitizerKind::SignedIntegerOverflow emit
* SanitizerHandler::DivremOverflow.
*/
case ubsan_divrem_overflow:
@@ -77,6 +78,19 @@ const char *report_ubsan_failure(struct pt_regs *regs, u32 check_type)
return "UBSAN: alignment assumption";
case ubsan_type_mismatch:
return "UBSAN: type mismatch";
+#endif
+#ifdef CONFIG_UBSAN_SIGNED_WRAP
+ /*
+ * SanitizerKind::SignedIntegerOverflow emits
+ * SanitizerHandler::AddOverflow, SanitizerHandler::SubOverflow,
+ * or SanitizerHandler::MulOverflow.
+ */
+ case ubsan_add_overflow:
+ return "UBSAN: integer addition overflow";
+ case ubsan_sub_overflow:
+ return "UBSAN: integer subtraction overflow";
+ case ubsan_mul_overflow:
+ return "UBSAN: integer multiplication overflow";
#endif
default:
return "UBSAN: unrecognized failure code";
--
GitLab
From 4225dfa4535f219b03ae14147d9c6e7e82ec8df4 Mon Sep 17 00:00:00 2001
From: Dmitry Safonov <0x7f454c46@gmail.com>
Date: Sat, 13 Apr 2024 02:42:52 +0100
Subject: [PATCH 2596/2686] selftests/tcp_ao: Make RST tests less flaky
Currently, "active reset" cases are flaky, because select() is called
for 3 sockets, while only 2 are expected to receive RST.
The idea of the third socket was to get into request_sock_queue,
but the test mistakenly attempted to connect() after the listener
socket was shut down.
Repair this test, it's important to check the different kernel
code-paths for signing RST TCP-AO segments.
Fixes: c6df7b2361d7 ("selftests/net: Add TCP-AO RST test")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
tools/testing/selftests/net/tcp_ao/rst.c | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)
diff --git a/tools/testing/selftests/net/tcp_ao/rst.c b/tools/testing/selftests/net/tcp_ao/rst.c
index 7df8b8700e39e..a2fe88d35ac06 100644
--- a/tools/testing/selftests/net/tcp_ao/rst.c
+++ b/tools/testing/selftests/net/tcp_ao/rst.c
@@ -256,8 +256,6 @@ static int test_wait_fds(int sk[], size_t nr, bool is_writable[],
static void test_client_active_rst(unsigned int port)
{
- /* one in queue, another accept()ed */
- unsigned int wait_for = backlog + 2;
int i, sk[3], err;
bool is_writable[ARRAY_SIZE(sk)] = {false};
unsigned int last = ARRAY_SIZE(sk) - 1;
@@ -275,16 +273,20 @@ static void test_client_active_rst(unsigned int port)
for (i = 0; i < last; i++) {
err = _test_connect_socket(sk[i], this_ip_dest, port,
(i == 0) ? TEST_TIMEOUT_SEC : -1);
-
if (err < 0)
test_error("failed to connect()");
}
- synchronize_threads(); /* 2: connection accept()ed, another queued */
- err = test_wait_fds(sk, last, is_writable, wait_for, TEST_TIMEOUT_SEC);
+ synchronize_threads(); /* 2: two connections: one accept()ed, another queued */
+ err = test_wait_fds(sk, last, is_writable, last, TEST_TIMEOUT_SEC);
if (err < 0)
test_error("test_wait_fds(): %d", err);
+ /* async connect() with third sk to get into request_sock_queue */
+ err = _test_connect_socket(sk[last], this_ip_dest, port, -1);
+ if (err < 0)
+ test_error("failed to connect()");
+
synchronize_threads(); /* 3: close listen socket */
if (test_client_verify(sk[0], packet_sz, quota / packet_sz, TEST_TIMEOUT_SEC))
test_fail("Failed to send data on connected socket");
@@ -292,13 +294,14 @@ static void test_client_active_rst(unsigned int port)
test_ok("Verified established tcp connection");
synchronize_threads(); /* 4: finishing up */
- err = _test_connect_socket(sk[last], this_ip_dest, port, -1);
- if (err < 0)
- test_error("failed to connect()");
synchronize_threads(); /* 5: closed active sk */
- err = test_wait_fds(sk, ARRAY_SIZE(sk), NULL,
- wait_for, TEST_TIMEOUT_SEC);
+ /*
+ * Wait for 2 connections: one accepted, another in the accept queue,
+ * the one in request_sock_queue won't get fully established, so
+ * doesn't receive an active RST, see inet_csk_listen_stop().
+ */
+ err = test_wait_fds(sk, last, NULL, last, TEST_TIMEOUT_SEC);
if (err < 0)
test_error("select(): %d", err);
--
GitLab
From b089b3bead532419cdcbd8e4e0a3e23c49d11573 Mon Sep 17 00:00:00 2001
From: Dmitry Safonov <0x7f454c46@gmail.com>
Date: Sat, 13 Apr 2024 02:42:53 +0100
Subject: [PATCH 2597/2686] selftests/tcp_ao: Zero-init tcp_ao_info_opt
The structure is on the stack and has to be zero-initialized as
the kernel checks for:
> if (in.reserved != 0 || in.reserved2 != 0)
> return -EINVAL;
Fixes: b26660531cf6 ("selftests/net: Add test for TCP-AO add setsockopt() command")
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
tools/testing/selftests/net/tcp_ao/setsockopt-closed.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c b/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c
index 452de131fa3a9..517930f9721bd 100644
--- a/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c
+++ b/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c
@@ -21,7 +21,7 @@ static void make_listen(int sk)
static void test_vefify_ao_info(int sk, struct tcp_ao_info_opt *info,
const char *tst)
{
- struct tcp_ao_info_opt tmp;
+ struct tcp_ao_info_opt tmp = {};
socklen_t len = sizeof(tmp);
if (getsockopt(sk, IPPROTO_TCP, TCP_AO_INFO, &tmp, &len))
--
GitLab
From beb78cd1329d039d73487ca05633d1b92e1ab2ea Mon Sep 17 00:00:00 2001
From: Dmitry Safonov <0x7f454c46@gmail.com>
Date: Sat, 13 Apr 2024 02:42:54 +0100
Subject: [PATCH 2598/2686] selftests/tcp_ao: Fix fscanf() call for
format-security
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
On my new laptop with packages from nixos-unstable, gcc 12.3.0 produces:
> lib/proc.c: In function ‘netstat_read_type’:
> lib/proc.c:89:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 89 | if (fscanf(fnetstat, type->header_name) == EOF)
> | ^~
> cc1: some warnings being treated as errors
Here the selftests lib parses header name, while expectes non-space word
ending with a column.
Fixes: cfbab37b3da0 ("selftests/net: Add TCP-AO library")
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Reported-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
tools/testing/selftests/net/tcp_ao/lib/proc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/net/tcp_ao/lib/proc.c b/tools/testing/selftests/net/tcp_ao/lib/proc.c
index 2fb6dd8adba69..8b984fa042869 100644
--- a/tools/testing/selftests/net/tcp_ao/lib/proc.c
+++ b/tools/testing/selftests/net/tcp_ao/lib/proc.c
@@ -86,7 +86,7 @@ static void netstat_read_type(FILE *fnetstat, struct netstat **dest, char *line)
pos = strchr(line, ' ') + 1;
- if (fscanf(fnetstat, type->header_name) == EOF)
+ if (fscanf(fnetstat, "%[^ :]", type->header_name) == EOF)
test_error("fscanf(%s)", type->header_name);
if (fread(&tmp, 1, 1, fnetstat) != 1 || tmp != ':')
test_error("Unexpected netstat format (%c)", tmp);
--
GitLab
From b476c93654d748c13624f7c7d0ba191c56a8092e Mon Sep 17 00:00:00 2001
From: Dmitry Safonov <0x7f454c46@gmail.com>
Date: Sat, 13 Apr 2024 02:42:55 +0100
Subject: [PATCH 2599/2686] selftests/tcp_ao: Printing fixes to confirm with
format-security
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
On my new laptop with packages from nixos-unstable, gcc 12.3.0 produces
> lib/setup.c: In function ‘__test_msg’:
> lib/setup.c:20:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 20 | ksft_print_msg(buf);
> | ^~~~~~~~~~~~~~
> lib/setup.c: In function ‘__test_ok’:
> lib/setup.c:26:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 26 | ksft_test_result_pass(buf);
> | ^~~~~~~~~~~~~~~~~~~~~
> lib/setup.c: In function ‘__test_fail’:
> lib/setup.c:32:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 32 | ksft_test_result_fail(buf);
> | ^~~~~~~~~~~~~~~~~~~~~
> lib/setup.c: In function ‘__test_xfail’:
> lib/setup.c:38:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 38 | ksft_test_result_xfail(buf);
> | ^~~~~~~~~~~~~~~~~~~~~~
> lib/setup.c: In function ‘__test_error’:
> lib/setup.c:44:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 44 | ksft_test_result_error(buf);
> | ^~~~~~~~~~~~~~~~~~~~~~
> lib/setup.c: In function ‘__test_skip’:
> lib/setup.c:50:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 50 | ksft_test_result_skip(buf);
> | ^~~~~~~~~~~~~~~~~~~~~
> cc1: some warnings being treated as errors
As the buffer was already pre-printed into, print it as a string
rather than a format-string.
Fixes: cfbab37b3da0 ("selftests/net: Add TCP-AO library")
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Reported-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
tools/testing/selftests/net/tcp_ao/lib/setup.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/tools/testing/selftests/net/tcp_ao/lib/setup.c b/tools/testing/selftests/net/tcp_ao/lib/setup.c
index 92276f916f2f3..e408b9243b2c5 100644
--- a/tools/testing/selftests/net/tcp_ao/lib/setup.c
+++ b/tools/testing/selftests/net/tcp_ao/lib/setup.c
@@ -17,37 +17,37 @@ static pthread_mutex_t ksft_print_lock = PTHREAD_MUTEX_INITIALIZER;
void __test_msg(const char *buf)
{
pthread_mutex_lock(&ksft_print_lock);
- ksft_print_msg(buf);
+ ksft_print_msg("%s", buf);
pthread_mutex_unlock(&ksft_print_lock);
}
void __test_ok(const char *buf)
{
pthread_mutex_lock(&ksft_print_lock);
- ksft_test_result_pass(buf);
+ ksft_test_result_pass("%s", buf);
pthread_mutex_unlock(&ksft_print_lock);
}
void __test_fail(const char *buf)
{
pthread_mutex_lock(&ksft_print_lock);
- ksft_test_result_fail(buf);
+ ksft_test_result_fail("%s", buf);
pthread_mutex_unlock(&ksft_print_lock);
}
void __test_xfail(const char *buf)
{
pthread_mutex_lock(&ksft_print_lock);
- ksft_test_result_xfail(buf);
+ ksft_test_result_xfail("%s", buf);
pthread_mutex_unlock(&ksft_print_lock);
}
void __test_error(const char *buf)
{
pthread_mutex_lock(&ksft_print_lock);
- ksft_test_result_error(buf);
+ ksft_test_result_error("%s", buf);
pthread_mutex_unlock(&ksft_print_lock);
}
void __test_skip(const char *buf)
{
pthread_mutex_lock(&ksft_print_lock);
- ksft_test_result_skip(buf);
+ ksft_test_result_skip("%s", buf);
pthread_mutex_unlock(&ksft_print_lock);
}
--
GitLab
From fe90f3967bdb3e13f133e5f44025e15f943a99c5 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Mon, 15 Apr 2024 11:21:13 -0400
Subject: [PATCH 2600/2686] sched: Add missing memory barrier in switch_mm_cid
Many architectures' switch_mm() (e.g. arm64) do not have an smp_mb()
which the core scheduler code has depended upon since commit:
commit 223baf9d17f25 ("sched: Fix performance regression introduced by mm_cid")
If switch_mm() doesn't call smp_mb(), sched_mm_cid_remote_clear() can
unset the actively used cid when it fails to observe active task after it
sets lazy_put.
There *is* a memory barrier between storing to rq->curr and _return to
userspace_ (as required by membarrier), but the rseq mm_cid has stricter
requirements: the barrier needs to be issued between store to rq->curr
and switch_mm_cid(), which happens earlier than:
- spin_unlock(),
- switch_to().
So it's fine when the architecture switch_mm() happens to have that
barrier already, but less so when the architecture only provides the
full barrier in switch_to() or spin_unlock().
It is a bug in the rseq switch_mm_cid() implementation. All architectures
that don't have memory barriers in switch_mm(), but rather have the full
barrier either in finish_lock_switch() or switch_to() have them too late
for the needs of switch_mm_cid().
Introduce a new smp_mb__after_switch_mm(), defined as smp_mb() in the
generic barrier.h header, and use it in switch_mm_cid() for scheduler
transitions where switch_mm() is expected to provide a memory barrier.
Architectures can override smp_mb__after_switch_mm() if their
switch_mm() implementation provides an implicit memory barrier.
Override it with a no-op on x86 which implicitly provide this memory
barrier by writing to CR3.
Fixes: 223baf9d17f2 ("sched: Fix performance regression introduced by mm_cid")
Reported-by: levi.yun <yeoreum.yun@arm.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> # for arm64
Acked-by: Dave Hansen <dave.hansen@linux.intel.com> # for x86
Cc: <stable@vger.kernel.org> # 6.4.x
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20240415152114.59122-2-mathieu.desnoyers@efficios.com
---
arch/x86/include/asm/barrier.h | 3 +++
include/asm-generic/barrier.h | 8 ++++++++
kernel/sched/sched.h | 20 ++++++++++++++------
3 files changed, 25 insertions(+), 6 deletions(-)
diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h
index fe1e7e3cc844a..63bdc6b852197 100644
--- a/arch/x86/include/asm/barrier.h
+++ b/arch/x86/include/asm/barrier.h
@@ -79,6 +79,9 @@ do { \
#define __smp_mb__before_atomic() do { } while (0)
#define __smp_mb__after_atomic() do { } while (0)
+/* Writing to CR3 provides a full memory barrier in switch_mm(). */
+#define smp_mb__after_switch_mm() do { } while (0)
+
#include <asm-generic/barrier.h>
#endif /* _ASM_X86_BARRIER_H */
diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h
index 0c0695763bea3..d4f581c1e21da 100644
--- a/include/asm-generic/barrier.h
+++ b/include/asm-generic/barrier.h
@@ -294,5 +294,13 @@ do { \
#define io_stop_wc() do { } while (0)
#endif
+/*
+ * Architectures that guarantee an implicit smp_mb() in switch_mm()
+ * can override smp_mb__after_switch_mm.
+ */
+#ifndef smp_mb__after_switch_mm
+# define smp_mb__after_switch_mm() smp_mb()
+#endif
+
#endif /* !__ASSEMBLY__ */
#endif /* __ASM_GENERIC_BARRIER_H */
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index d2242679239ec..ae50f212775e5 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -79,6 +79,8 @@
# include <asm/paravirt_api_clock.h>
#endif
+#include <asm/barrier.h>
+
#include "cpupri.h"
#include "cpudeadline.h"
@@ -3445,13 +3447,19 @@ static inline void switch_mm_cid(struct rq *rq,
* between rq->curr store and load of {prev,next}->mm->pcpu_cid[cpu].
* Provide it here.
*/
- if (!prev->mm) // from kernel
+ if (!prev->mm) { // from kernel
smp_mb();
- /*
- * user -> user transition guarantees a memory barrier through
- * switch_mm() when current->mm changes. If current->mm is
- * unchanged, no barrier is needed.
- */
+ } else { // from user
+ /*
+ * user->user transition relies on an implicit
+ * memory barrier in switch_mm() when
+ * current->mm changes. If the architecture
+ * switch_mm() does not have an implicit memory
+ * barrier, it is emitted here. If current->mm
+ * is unchanged, no barrier is needed.
+ */
+ smp_mb__after_switch_mm();
+ }
}
if (prev->mm_cid_active) {
mm_cid_snapshot_time(rq, prev->mm);
--
GitLab
From 03cea821b82cbf0ee4a285f9dca6cc1d660dbef3 Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@amd.com>
Date: Wed, 10 Apr 2024 09:09:54 -0500
Subject: [PATCH 2601/2686] platform/x86/amd: pmf: Decrease error message to
debug
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
ASUS ROG Zephyrus G14 doesn't have _CRS in AMDI0102 device and so
there are no resources to walk. This is expected behavior because
it doesn't support Smart PC. Decrease error message to debug.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218685
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240410140956.385-1-mario.limonciello@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/platform/x86/amd/pmf/acpi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/platform/x86/amd/pmf/acpi.c b/drivers/platform/x86/amd/pmf/acpi.c
index d0cf46e2fc8e8..60fc71c9fb0fa 100644
--- a/drivers/platform/x86/amd/pmf/acpi.c
+++ b/drivers/platform/x86/amd/pmf/acpi.c
@@ -437,7 +437,7 @@ int apmf_check_smart_pc(struct amd_pmf_dev *pmf_dev)
status = acpi_walk_resources(ahandle, METHOD_NAME__CRS, apmf_walk_resources, pmf_dev);
if (ACPI_FAILURE(status)) {
- dev_err(pmf_dev->dev, "acpi_walk_resources failed :%d\n", status);
+ dev_dbg(pmf_dev->dev, "acpi_walk_resources failed :%d\n", status);
return -EINVAL;
}
--
GitLab
From ed13f622bcd594d6cefd6239b1722ed8b84ba98f Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@amd.com>
Date: Wed, 10 Apr 2024 09:09:55 -0500
Subject: [PATCH 2602/2686] platform/x86/amd: pmf: Add infrastructure for
quirking supported funcs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
In the event of a BIOS bug add infrastructure that will be utilized
to override the return value for supported_funcs to avoid enabling
features.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20240410140956.385-2-mario.limonciello@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/platform/x86/amd/pmf/Makefile | 2 +-
drivers/platform/x86/amd/pmf/acpi.c | 5 ++-
drivers/platform/x86/amd/pmf/core.c | 1 +
drivers/platform/x86/amd/pmf/pmf-quirks.c | 43 +++++++++++++++++++++++
drivers/platform/x86/amd/pmf/pmf.h | 3 ++
5 files changed, 52 insertions(+), 2 deletions(-)
create mode 100644 drivers/platform/x86/amd/pmf/pmf-quirks.c
diff --git a/drivers/platform/x86/amd/pmf/Makefile b/drivers/platform/x86/amd/pmf/Makefile
index 6b26e48ce8ad2..7d6079b02589c 100644
--- a/drivers/platform/x86/amd/pmf/Makefile
+++ b/drivers/platform/x86/amd/pmf/Makefile
@@ -7,4 +7,4 @@
obj-$(CONFIG_AMD_PMF) += amd-pmf.o
amd-pmf-objs := core.o acpi.o sps.o \
auto-mode.o cnqf.o \
- tee-if.o spc.o
+ tee-if.o spc.o pmf-quirks.o
diff --git a/drivers/platform/x86/amd/pmf/acpi.c b/drivers/platform/x86/amd/pmf/acpi.c
index 60fc71c9fb0fa..1157ec148880b 100644
--- a/drivers/platform/x86/amd/pmf/acpi.c
+++ b/drivers/platform/x86/amd/pmf/acpi.c
@@ -343,7 +343,10 @@ static int apmf_if_verify_interface(struct amd_pmf_dev *pdev)
if (err)
return err;
- pdev->supported_func = output.supported_functions;
+ /* only set if not already set by a quirk */
+ if (!pdev->supported_func)
+ pdev->supported_func = output.supported_functions;
+
dev_dbg(pdev->dev, "supported functions:0x%x notifications:0x%x version:%u\n",
output.supported_functions, output.notification_mask, output.version);
diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c
index 5d4f80698a8b8..64e6e34a2a9ac 100644
--- a/drivers/platform/x86/amd/pmf/core.c
+++ b/drivers/platform/x86/amd/pmf/core.c
@@ -445,6 +445,7 @@ static int amd_pmf_probe(struct platform_device *pdev)
mutex_init(&dev->lock);
mutex_init(&dev->update_mutex);
+ amd_pmf_quirks_init(dev);
apmf_acpi_init(dev);
platform_set_drvdata(pdev, dev);
amd_pmf_dbgfs_register(dev);
diff --git a/drivers/platform/x86/amd/pmf/pmf-quirks.c b/drivers/platform/x86/amd/pmf/pmf-quirks.c
new file mode 100644
index 0000000000000..9f3790eaaa300
--- /dev/null
+++ b/drivers/platform/x86/amd/pmf/pmf-quirks.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * AMD Platform Management Framework Driver Quirks
+ *
+ * Copyright (c) 2024, Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Author: Mario Limonciello <mario.limonciello@amd.com>
+ */
+
+#include <linux/dmi.h>
+
+#include "pmf.h"
+
+struct quirk_entry {
+ u32 supported_func;
+};
+
+static struct quirk_entry quirk_no_sps_bug = {
+ .supported_func = 0x4003,
+};
+
+static const struct dmi_system_id fwbug_list[] = {
+ {}
+};
+
+void amd_pmf_quirks_init(struct amd_pmf_dev *dev)
+{
+ const struct dmi_system_id *dmi_id;
+ struct quirk_entry *quirks;
+
+ dmi_id = dmi_first_match(fwbug_list);
+ if (!dmi_id)
+ return;
+
+ quirks = dmi_id->driver_data;
+ if (quirks->supported_func) {
+ dev->supported_func = quirks->supported_func;
+ pr_info("Using supported funcs quirk to avoid %s platform firmware bug\n",
+ dmi_id->ident);
+ }
+}
+
diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h
index 8c4df5753f40d..eeedd0c0395a8 100644
--- a/drivers/platform/x86/amd/pmf/pmf.h
+++ b/drivers/platform/x86/amd/pmf/pmf.h
@@ -720,4 +720,7 @@ int apmf_check_smart_pc(struct amd_pmf_dev *pmf_dev);
void amd_pmf_populate_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in);
void amd_pmf_dump_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in);
+/* Quirk infrastructure */
+void amd_pmf_quirks_init(struct amd_pmf_dev *dev);
+
#endif /* PMF_H */
--
GitLab
From 9d893061ed68820de24b572d1e193b5e4737f2e0 Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@amd.com>
Date: Wed, 10 Apr 2024 09:09:56 -0500
Subject: [PATCH 2603/2686] platform/x86/amd: pmf: Add quirk for ROG Zephyrus
G14
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
ROG Zephyrus G14 advertises support for SPS notifications to the
BIOS but doesn't actually use them. Instead the asus-nb-wmi driver
utilizes such events.
Add a quirk to prevent the system from registering for ACPI platform
profile when this system is found to avoid conflicts.
Reported-by: al0uette@outlook.com
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218685
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20240410140956.385-3-mario.limonciello@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/platform/x86/amd/pmf/pmf-quirks.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/platform/x86/amd/pmf/pmf-quirks.c b/drivers/platform/x86/amd/pmf/pmf-quirks.c
index 9f3790eaaa300..0b2eb0ae85feb 100644
--- a/drivers/platform/x86/amd/pmf/pmf-quirks.c
+++ b/drivers/platform/x86/amd/pmf/pmf-quirks.c
@@ -21,6 +21,14 @@ static struct quirk_entry quirk_no_sps_bug = {
};
static const struct dmi_system_id fwbug_list[] = {
+ {
+ .ident = "ROG Zephyrus G14",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GA403UV"),
+ },
+ .driver_data = &quirk_no_sps_bug,
+ },
{}
};
--
GitLab
From d8c2d38c4d1dee8fe8e015b9ebf65bdd8e4da99b Mon Sep 17 00:00:00 2001
From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Date: Mon, 15 Apr 2024 14:28:53 -0700
Subject: [PATCH 2604/2686] platform/x86: ISST: Add Granite Rapids-D to HPM CPU
list
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add Granite Rapids-D to hpm_cpu_ids, so that MSR 0x54 can be used.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240415212853.2820470-1-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/platform/x86/intel/speed_select_if/isst_if_common.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
index 08df9494603c5..30951f7131cd9 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
+++ b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
@@ -719,6 +719,7 @@ static struct miscdevice isst_if_char_driver = {
};
static const struct x86_cpu_id hpm_cpu_ids[] = {
+ X86_MATCH_INTEL_FAM6_MODEL(GRANITERAPIDS_D, NULL),
X86_MATCH_INTEL_FAM6_MODEL(GRANITERAPIDS_X, NULL),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_CRESTMONT_X, NULL),
{}
--
GitLab
From bc774d46b41482534c7ba92f6342ca0a355c13af Mon Sep 17 00:00:00 2001
From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Date: Mon, 15 Apr 2024 15:06:25 -0700
Subject: [PATCH 2605/2686] platform/x86/intel-uncore-freq: Increase minor
number support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
No new changes will be added for minor version 2. Change the minor
version number to 2 and stop displaying log message for unsupported
minor version 2.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240415220625.2828339-1-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
.../x86/intel/uncore-frequency/uncore-frequency-tpmi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
index bd75d61ff8a66..ef730200a04bd 100644
--- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
+++ b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
@@ -29,7 +29,7 @@
#include "uncore-frequency-common.h"
#define UNCORE_MAJOR_VERSION 0
-#define UNCORE_MINOR_VERSION 1
+#define UNCORE_MINOR_VERSION 2
#define UNCORE_HEADER_INDEX 0
#define UNCORE_FABRIC_CLUSTER_OFFSET 8
@@ -329,7 +329,7 @@ static int uncore_probe(struct auxiliary_device *auxdev, const struct auxiliary_
goto remove_clusters;
}
- if (TPMI_MINOR_VERSION(pd_info->ufs_header_ver) != UNCORE_MINOR_VERSION)
+ if (TPMI_MINOR_VERSION(pd_info->ufs_header_ver) > UNCORE_MINOR_VERSION)
dev_info(&auxdev->dev, "Uncore: Ignore: Unsupported minor version:%lx\n",
TPMI_MINOR_VERSION(pd_info->ufs_header_ver));
--
GitLab
From 0ebd96f5da4410c0cb8fc75e44f1009530b2f90b Mon Sep 17 00:00:00 2001
From: Serge Semin <fancer.lancer@gmail.com>
Date: Fri, 12 Apr 2024 21:03:14 +0300
Subject: [PATCH 2606/2686] net: stmmac: Apply half-duplex-less constraint for
DW QoS Eth only
There are three DW MAC IP-cores which can have the multiple Tx/Rx queues
enabled:
DW GMAC v3.7+ with AV feature,
DW QoS Eth v4.x/v5.x,
DW XGMAC/XLGMAC
Based on the respective HW databooks, only the DW QoS Eth IP-core doesn't
support the half-duplex link mode in case if more than one queues enabled:
"In multiple queue/channel configurations, for half-duplex operation,
enable only the Q0/CH0 on Tx and Rx. For single queue/channel in
full-duplex operation, any queue/channel can be enabled."
The rest of the IP-cores don't have such constraint. Thus in order to have
the constraint applied for the DW QoS Eth MACs only, let's move the it'
implementation to the respective MAC-capabilities getter and make sure the
getter is called in the queues re-init procedure.
Fixes: b6cfffa7ad92 ("stmmac: fix DMA channel hang in half-duplex mode")
Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Romain Gantois <romain.gantois@bootlin.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
.../net/ethernet/stmicro/stmmac/dwmac4_core.c | 7 +++++++
.../net/ethernet/stmicro/stmmac/stmmac_main.c | 19 +++----------------
2 files changed, 10 insertions(+), 16 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index cef25efbdff99..ec6a13e644b36 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -71,6 +71,13 @@ static void dwmac4_core_init(struct mac_device_info *hw,
static void dwmac4_phylink_get_caps(struct stmmac_priv *priv)
{
priv->phylink_config.mac_capabilities |= MAC_2500FD;
+
+ if (priv->plat->tx_queues_to_use > 1)
+ priv->phylink_config.mac_capabilities &=
+ ~(MAC_10HD | MAC_100HD | MAC_1000HD);
+ else
+ priv->phylink_config.mac_capabilities |=
+ (MAC_10HD | MAC_100HD | MAC_1000HD);
}
static void dwmac4_rx_queue_enable(struct mac_device_info *hw,
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 24cd80490d19c..dd58c21b53eec 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1198,17 +1198,6 @@ static int stmmac_init_phy(struct net_device *dev)
return ret;
}
-static void stmmac_set_half_duplex(struct stmmac_priv *priv)
-{
- /* Half-Duplex can only work with single tx queue */
- if (priv->plat->tx_queues_to_use > 1)
- priv->phylink_config.mac_capabilities &=
- ~(MAC_10HD | MAC_100HD | MAC_1000HD);
- else
- priv->phylink_config.mac_capabilities |=
- (MAC_10HD | MAC_100HD | MAC_1000HD);
-}
-
static int stmmac_phy_setup(struct stmmac_priv *priv)
{
struct stmmac_mdio_bus_data *mdio_bus_data;
@@ -1237,10 +1226,7 @@ static int stmmac_phy_setup(struct stmmac_priv *priv)
priv->phylink_config.supported_interfaces);
priv->phylink_config.mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
- MAC_10FD | MAC_100FD |
- MAC_1000FD;
-
- stmmac_set_half_duplex(priv);
+ MAC_10 | MAC_100 | MAC_1000;
/* Get the MAC specific capabilities */
stmmac_mac_phylink_get_caps(priv);
@@ -7355,7 +7341,8 @@ int stmmac_reinit_queues(struct net_device *dev, u32 rx_cnt, u32 tx_cnt)
priv->rss.table[i] = ethtool_rxfh_indir_default(i,
rx_cnt);
- stmmac_set_half_duplex(priv);
+ stmmac_mac_phylink_get_caps(priv);
+
stmmac_napi_add(dev);
if (netif_running(dev))
--
GitLab
From 59c3d6ca6cbded6c6599e975b42a9d6a27fcbaf2 Mon Sep 17 00:00:00 2001
From: Serge Semin <fancer.lancer@gmail.com>
Date: Fri, 12 Apr 2024 21:03:15 +0300
Subject: [PATCH 2607/2686] net: stmmac: Fix max-speed being ignored on queue
re-init
It's possible to have the maximum link speed being artificially limited on
the platform-specific basis. It's done either by setting up the
plat_stmmacenet_data::max_speed field or by specifying the "max-speed"
DT-property. In such cases it's required that any specific
MAC-capabilities re-initializations would take the limit into account. In
particular the link speed capabilities may change during the number of
active Tx/Rx queues re-initialization. But the currently implemented
procedure doesn't take the speed limit into account.
Fix that by calling phylink_limit_mac_speed() in the
stmmac_reinit_queues() method if the speed limitation was required in the
same way as it's done in the stmmac_phy_setup() function.
Fixes: 95201f36f395 ("net: stmmac: update MAC capabilities when tx queues are updated")
Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Romain Gantois <romain.gantois@bootlin.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index dd58c21b53eec..b8a1f02398ee9 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -7328,6 +7328,7 @@ int stmmac_reinit_queues(struct net_device *dev, u32 rx_cnt, u32 tx_cnt)
{
struct stmmac_priv *priv = netdev_priv(dev);
int ret = 0, i;
+ int max_speed;
if (netif_running(dev))
stmmac_release(dev);
@@ -7343,6 +7344,10 @@ int stmmac_reinit_queues(struct net_device *dev, u32 rx_cnt, u32 tx_cnt)
stmmac_mac_phylink_get_caps(priv);
+ max_speed = priv->plat->max_speed;
+ if (max_speed)
+ phylink_limit_mac_speed(&priv->phylink_config, max_speed);
+
stmmac_napi_add(dev);
if (netif_running(dev))
--
GitLab
From 9cb54af214a7cdc91577ec083e5569f2ce2c86d8 Mon Sep 17 00:00:00 2001
From: Serge Semin <fancer.lancer@gmail.com>
Date: Fri, 12 Apr 2024 21:03:16 +0300
Subject: [PATCH 2608/2686] net: stmmac: Fix IP-cores specific MAC capabilities
Here is the list of the MAC capabilities specific to the particular DW MAC
IP-cores currently supported by the driver:
DW MAC100: MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
MAC_10 | MAC_100
DW GMAC: MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
MAC_10 | MAC_100 | MAC_1000
Allwinner sun8i MAC: MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
MAC_10 | MAC_100 | MAC_1000
DW QoS Eth: MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
MAC_10 | MAC_100 | MAC_1000 | MAC_2500FD
if there is more than 1 active Tx/Rx queues:
MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
MAC_10FD | MAC_100FD | MAC_1000FD | MAC_2500FD
DW XGMAC: MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
MAC_1000FD | MAC_2500FD | MAC_5000FD | MAC_10000FD
DW XLGMAC: MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
MAC_1000FD | MAC_2500FD | MAC_5000FD | MAC_10000FD |
MAC_25000FD | MAC_40000FD | MAC_50000FD | MAC_100000FD
As you can see there are only two common capabilities:
MAC_ASYM_PAUSE | MAC_SYM_PAUSE.
Meanwhile what is currently implemented defines 10/100/1000 link speeds
for all IP-cores, which is definitely incorrect for DW MAC100, DW XGMAC
and DW XLGMAC devices.
Seeing the flow-control is implemented as a callback for each MAC IP-core
(see dwmac100_flow_ctrl(), dwmac1000_flow_ctrl(), sun8i_dwmac_flow_ctrl(),
etc) and since the MAC-specific setup() method is supposed to be called
for each available DW MAC-based device, the capabilities initialization
can be freely moved to these setup() functions, thus correctly setting up
the MAC-capabilities for each IP-core (including the Allwinner Sun8i). A
new stmmac_link::caps field was specifically introduced for that so to
have all link-specific info preserved in a single structure.
Note the suggested change fixes three earlier commits at a time. The
commit 5b0d7d7da64b ("net: stmmac: Add the missing speeds that XGMAC
supports") permitted the 10-100 link speeds and 1G half-duplex mode for DW
XGMAC IP-core even though it doesn't support them. The commit df7699c70c1b
("net: stmmac: Do not cut down 1G modes") incorrectly added the MAC1000
capability to the DW MAC100 IP-core. Similarly to the DW XGMAC the commit
8a880936e902 ("net: stmmac: Add XLGMII support") incorrectly permitted the
10-100 link speeds and 1G half-duplex mode for DW XLGMAC IP-core.
Fixes: 5b0d7d7da64b ("net: stmmac: Add the missing speeds that XGMAC supports")
Fixes: df7699c70c1b ("net: stmmac: Do not cut down 1G modes")
Fixes: 8a880936e902 ("net: stmmac: Add XLGMII support")
Suggested-by: Russell King (Oracle) <linux@armlinux.org.uk>
Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Romain Gantois <romain.gantois@bootlin.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/stmicro/stmmac/common.h | 1 +
.../net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 2 ++
.../ethernet/stmicro/stmmac/dwmac1000_core.c | 2 ++
.../ethernet/stmicro/stmmac/dwmac100_core.c | 2 ++
.../net/ethernet/stmicro/stmmac/dwmac4_core.c | 10 ++++------
.../ethernet/stmicro/stmmac/dwxgmac2_core.c | 18 ++++++++----------
.../net/ethernet/stmicro/stmmac/stmmac_main.c | 7 ++++---
7 files changed, 23 insertions(+), 19 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index a6fefe675ef15..3b7d4ac1e7be0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -553,6 +553,7 @@ extern const struct stmmac_hwtimestamp stmmac_ptp;
extern const struct stmmac_mode_ops dwmac4_ring_mode_ops;
struct mac_link {
+ u32 caps;
u32 speed_mask;
u32 speed10;
u32 speed100;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index b21d99faa2d04..e1b761dcfa1dd 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -1096,6 +1096,8 @@ static struct mac_device_info *sun8i_dwmac_setup(void *ppriv)
priv->dev->priv_flags |= IFF_UNICAST_FLT;
+ mac->link.caps = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_10 | MAC_100 | MAC_1000;
/* The loopback bit seems to be re-set when link change
* Simply mask it each time
* Speed 10/100/1000 are set in BIT(2)/BIT(3)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
index 3927609abc441..8555299443f4e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
@@ -539,6 +539,8 @@ int dwmac1000_setup(struct stmmac_priv *priv)
if (mac->multicast_filter_bins)
mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
+ mac->link.caps = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_10 | MAC_100 | MAC_1000;
mac->link.duplex = GMAC_CONTROL_DM;
mac->link.speed10 = GMAC_CONTROL_PS;
mac->link.speed100 = GMAC_CONTROL_PS | GMAC_CONTROL_FES;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
index a6e8d7bd95886..7667d103cd0eb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
@@ -175,6 +175,8 @@ int dwmac100_setup(struct stmmac_priv *priv)
dev_info(priv->device, "\tDWMAC100\n");
mac->pcsr = priv->ioaddr;
+ mac->link.caps = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_10 | MAC_100;
mac->link.duplex = MAC_CONTROL_F;
mac->link.speed10 = 0;
mac->link.speed100 = 0;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index ec6a13e644b36..a38226d7cc6a9 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -70,14 +70,10 @@ static void dwmac4_core_init(struct mac_device_info *hw,
static void dwmac4_phylink_get_caps(struct stmmac_priv *priv)
{
- priv->phylink_config.mac_capabilities |= MAC_2500FD;
-
if (priv->plat->tx_queues_to_use > 1)
- priv->phylink_config.mac_capabilities &=
- ~(MAC_10HD | MAC_100HD | MAC_1000HD);
+ priv->hw->link.caps &= ~(MAC_10HD | MAC_100HD | MAC_1000HD);
else
- priv->phylink_config.mac_capabilities |=
- (MAC_10HD | MAC_100HD | MAC_1000HD);
+ priv->hw->link.caps |= (MAC_10HD | MAC_100HD | MAC_1000HD);
}
static void dwmac4_rx_queue_enable(struct mac_device_info *hw,
@@ -1385,6 +1381,8 @@ int dwmac4_setup(struct stmmac_priv *priv)
if (mac->multicast_filter_bins)
mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
+ mac->link.caps = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_10 | MAC_100 | MAC_1000 | MAC_2500FD;
mac->link.duplex = GMAC_CONFIG_DM;
mac->link.speed10 = GMAC_CONFIG_PS;
mac->link.speed100 = GMAC_CONFIG_FES | GMAC_CONFIG_PS;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index e841e312077ef..f8e7775bb6336 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -47,14 +47,6 @@ static void dwxgmac2_core_init(struct mac_device_info *hw,
writel(XGMAC_INT_DEFAULT_EN, ioaddr + XGMAC_INT_EN);
}
-static void xgmac_phylink_get_caps(struct stmmac_priv *priv)
-{
- priv->phylink_config.mac_capabilities |= MAC_2500FD | MAC_5000FD |
- MAC_10000FD | MAC_25000FD |
- MAC_40000FD | MAC_50000FD |
- MAC_100000FD;
-}
-
static void dwxgmac2_set_mac(void __iomem *ioaddr, bool enable)
{
u32 tx = readl(ioaddr + XGMAC_TX_CONFIG);
@@ -1540,7 +1532,6 @@ static void dwxgmac3_fpe_configure(void __iomem *ioaddr, struct stmmac_fpe_cfg *
const struct stmmac_ops dwxgmac210_ops = {
.core_init = dwxgmac2_core_init,
- .phylink_get_caps = xgmac_phylink_get_caps,
.set_mac = dwxgmac2_set_mac,
.rx_ipc = dwxgmac2_rx_ipc,
.rx_queue_enable = dwxgmac2_rx_queue_enable,
@@ -1601,7 +1592,6 @@ static void dwxlgmac2_rx_queue_enable(struct mac_device_info *hw, u8 mode,
const struct stmmac_ops dwxlgmac2_ops = {
.core_init = dwxgmac2_core_init,
- .phylink_get_caps = xgmac_phylink_get_caps,
.set_mac = dwxgmac2_set_mac,
.rx_ipc = dwxgmac2_rx_ipc,
.rx_queue_enable = dwxlgmac2_rx_queue_enable,
@@ -1661,6 +1651,9 @@ int dwxgmac2_setup(struct stmmac_priv *priv)
if (mac->multicast_filter_bins)
mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
+ mac->link.caps = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_1000FD | MAC_2500FD | MAC_5000FD |
+ MAC_10000FD;
mac->link.duplex = 0;
mac->link.speed10 = XGMAC_CONFIG_SS_10_MII;
mac->link.speed100 = XGMAC_CONFIG_SS_100_MII;
@@ -1698,6 +1691,11 @@ int dwxlgmac2_setup(struct stmmac_priv *priv)
if (mac->multicast_filter_bins)
mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
+ mac->link.caps = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_1000FD | MAC_2500FD | MAC_5000FD |
+ MAC_10000FD | MAC_25000FD |
+ MAC_40000FD | MAC_50000FD |
+ MAC_100000FD;
mac->link.duplex = 0;
mac->link.speed1000 = XLGMAC_CONFIG_SS_1000;
mac->link.speed2500 = XLGMAC_CONFIG_SS_2500;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index b8a1f02398ee9..7c6fb14b55550 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1225,12 +1225,11 @@ static int stmmac_phy_setup(struct stmmac_priv *priv)
xpcs_get_interfaces(priv->hw->xpcs,
priv->phylink_config.supported_interfaces);
- priv->phylink_config.mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
- MAC_10 | MAC_100 | MAC_1000;
-
/* Get the MAC specific capabilities */
stmmac_mac_phylink_get_caps(priv);
+ priv->phylink_config.mac_capabilities = priv->hw->link.caps;
+
max_speed = priv->plat->max_speed;
if (max_speed)
phylink_limit_mac_speed(&priv->phylink_config, max_speed);
@@ -7344,6 +7343,8 @@ int stmmac_reinit_queues(struct net_device *dev, u32 rx_cnt, u32 tx_cnt)
stmmac_mac_phylink_get_caps(priv);
+ priv->phylink_config.mac_capabilities = priv->hw->link.caps;
+
max_speed = priv->plat->max_speed;
if (max_speed)
phylink_limit_mac_speed(&priv->phylink_config, max_speed);
--
GitLab
From 428051600cb4e5a61d81aba3f8009b6c4f5e7582 Mon Sep 17 00:00:00 2001
From: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Date: Fri, 15 Mar 2024 12:08:20 +0100
Subject: [PATCH 2609/2686] ice: tc: check src_vsi in case of traffic from VF
In case of traffic going from the VF (so ingress for port representor)
source VSI should be consider during packet classification. It is
needed for hardware to not match packets from different ports with
filters added on other port.
It is only for "from VF" traffic, because other traffic direction
doesn't have source VSI.
Set correct ::src_vsi in rule_info to pass it to the hardware filter.
For example this rule should drop only ipv4 packets from eth10, not from
the others VF PRs. It is needed to check source VSI in this case.
$tc filter add dev eth10 ingress protocol ip flower skip_sw action drop
Fixes: 0d08a441fb1a ("ice: ndo_setup_tc implementation for PF")
Reviewed-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
drivers/net/ethernet/intel/ice/ice_tc_lib.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/net/ethernet/intel/ice/ice_tc_lib.c b/drivers/net/ethernet/intel/ice/ice_tc_lib.c
index b890410a2bc0b..49ed5fd7db107 100644
--- a/drivers/net/ethernet/intel/ice/ice_tc_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_tc_lib.c
@@ -28,6 +28,8 @@ ice_tc_count_lkups(u32 flags, struct ice_tc_flower_lyr_2_4_hdrs *headers,
* - ICE_TC_FLWR_FIELD_VLAN_TPID (present if specified)
* - Tunnel flag (present if tunnel)
*/
+ if (fltr->direction == ICE_ESWITCH_FLTR_EGRESS)
+ lkups_cnt++;
if (flags & ICE_TC_FLWR_FIELD_TENANT_ID)
lkups_cnt++;
@@ -363,6 +365,11 @@ ice_tc_fill_rules(struct ice_hw *hw, u32 flags,
/* Always add direction metadata */
ice_rule_add_direction_metadata(&list[ICE_TC_METADATA_LKUP_IDX]);
+ if (tc_fltr->direction == ICE_ESWITCH_FLTR_EGRESS) {
+ ice_rule_add_src_vsi_metadata(&list[i]);
+ i++;
+ }
+
rule_info->tun_type = ice_sw_type_from_tunnel(tc_fltr->tunnel_type);
if (tc_fltr->tunnel_type != TNL_LAST) {
i = ice_tc_fill_tunnel_outer(flags, tc_fltr, list, i);
@@ -820,6 +827,7 @@ ice_eswitch_add_tc_fltr(struct ice_vsi *vsi, struct ice_tc_flower_fltr *fltr)
/* specify the cookie as filter_rule_id */
rule_info.fltr_rule_id = fltr->cookie;
+ rule_info.src_vsi = vsi->idx;
ret = ice_add_adv_rule(hw, list, lkups_cnt, &rule_info, &rule_added);
if (ret == -EEXIST) {
--
GitLab
From 73278715725a8347032acf233082ca4eb31e6a56 Mon Sep 17 00:00:00 2001
From: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Date: Fri, 15 Mar 2024 12:08:21 +0100
Subject: [PATCH 2610/2686] ice: tc: allow zero flags in parsing tc flower
The check for flags is done to not pass empty lookups to adding switch
rule functions. Since metadata is always added to lookups there is no
need to check against the flag.
It is also fixing the problem with such rule:
$ tc filter add dev gtp_dev ingress protocol ip prio 0 flower \
enc_dst_port 2123 action drop
Switch block in case of GTP can't parse the destination port, because it
should always be set to GTP specific value. The same with ethertype. The
result is that there is no other matching criteria than GTP tunnel. In
this case flags is 0, rule can't be added only because of defensive
check against flags.
Fixes: 9a225f81f540 ("ice: Support GTP-U and GTP-C offload in switchdev")
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
drivers/net/ethernet/intel/ice/ice_tc_lib.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_tc_lib.c b/drivers/net/ethernet/intel/ice/ice_tc_lib.c
index 49ed5fd7db107..bcbcfc67e5606 100644
--- a/drivers/net/ethernet/intel/ice/ice_tc_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_tc_lib.c
@@ -779,7 +779,7 @@ ice_eswitch_add_tc_fltr(struct ice_vsi *vsi, struct ice_tc_flower_fltr *fltr)
int ret;
int i;
- if (!flags || (flags & ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT)) {
+ if (flags & ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT) {
NL_SET_ERR_MSG_MOD(fltr->extack, "Unsupported encap field(s)");
return -EOPNOTSUPP;
}
--
GitLab
From 2cca35f5dd78b9f8297c879c5db5ab137c5d86c3 Mon Sep 17 00:00:00 2001
From: Marcin Szycik <marcin.szycik@linux.intel.com>
Date: Tue, 9 Apr 2024 17:45:44 +0200
Subject: [PATCH 2611/2686] ice: Fix checking for unsupported keys on
non-tunnel device
Add missing FLOW_DISSECTOR_KEY_ENC_* checks to TC flower filter parsing.
Without these checks, it would be possible to add filters with tunnel
options on non-tunnel devices. enc_* options are only valid for tunnel
devices.
Example:
devlink dev eswitch set $PF1_PCI mode switchdev
echo 1 > /sys/class/net/$PF1/device/sriov_numvfs
tc qdisc add dev $VF1_PR ingress
ethtool -K $PF1 hw-tc-offload on
tc filter add dev $VF1_PR ingress flower enc_ttl 12 skip_sw action drop
Fixes: 9e300987d4a8 ("ice: VXLAN and Geneve TC support")
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
drivers/net/ethernet/intel/ice/ice_tc_lib.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_tc_lib.c b/drivers/net/ethernet/intel/ice/ice_tc_lib.c
index bcbcfc67e5606..688ccb0615ab9 100644
--- a/drivers/net/ethernet/intel/ice/ice_tc_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_tc_lib.c
@@ -1489,7 +1489,10 @@ ice_parse_cls_flower(struct net_device *filter_dev, struct ice_vsi *vsi,
(BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) |
BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) |
BIT_ULL(FLOW_DISSECTOR_KEY_ENC_KEYID) |
- BIT_ULL(FLOW_DISSECTOR_KEY_ENC_PORTS))) {
+ BIT_ULL(FLOW_DISSECTOR_KEY_ENC_PORTS) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IP) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_ENC_OPTS) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_ENC_CONTROL))) {
NL_SET_ERR_MSG_MOD(fltr->extack, "Tunnel key used, but device isn't a tunnel");
return -EOPNOTSUPP;
} else {
--
GitLab
From 9e4d3f4f34455abbaa9930bf6b7575a5cd081496 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Thu, 4 Apr 2024 13:07:59 +0300
Subject: [PATCH 2612/2686] drm/panel: visionox-rm69299: don't unregister DSI
device
The DSI device for the panel was registered by the DSI host, so it is an
error to unregister it from the panel driver. Drop the call to
mipi_dsi_device_unregister().
Fixes: c7f66d32dd43 ("drm/panel: add support for rm69299 visionox panel")
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404-drop-panel-unregister-v1-1-9f56953c5fb9@linaro.org
---
drivers/gpu/drm/panel/panel-visionox-rm69299.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
index 775144695283f..b15ca56a09a74 100644
--- a/drivers/gpu/drm/panel/panel-visionox-rm69299.c
+++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
@@ -253,8 +253,6 @@ static void visionox_rm69299_remove(struct mipi_dsi_device *dsi)
struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
mipi_dsi_detach(ctx->dsi);
- mipi_dsi_device_unregister(ctx->dsi);
-
drm_panel_remove(&ctx->panel);
}
--
GitLab
From 941c0bdbc176df825adf77052263b2d63db6fef7 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Thu, 4 Apr 2024 13:08:00 +0300
Subject: [PATCH 2613/2686] drm/panel: novatek-nt36682e: don't unregister DSI
device
The DSI device for the panel was registered by the DSI host, so it is an
error to unregister it from the panel driver. Drop the call to
mipi_dsi_device_unregister().
Fixes: ea4f9975625a ("drm/panel: Add support for Novatek NT36672E panel driver")
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404-drop-panel-unregister-v1-2-9f56953c5fb9@linaro.org
---
drivers/gpu/drm/panel/panel-novatek-nt36672e.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36672e.c b/drivers/gpu/drm/panel/panel-novatek-nt36672e.c
index cb7406d744669..c39fe0fc5d69c 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt36672e.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt36672e.c
@@ -614,8 +614,6 @@ static void nt36672e_panel_remove(struct mipi_dsi_device *dsi)
struct nt36672e_panel *ctx = mipi_dsi_get_drvdata(dsi);
mipi_dsi_detach(ctx->dsi);
- mipi_dsi_device_unregister(ctx->dsi);
-
drm_panel_remove(&ctx->panel);
}
--
GitLab
From 631426ba1d45a8672b177ee85ad4cabe760dd131 Mon Sep 17 00:00:00 2001
From: David Hildenbrand <david@redhat.com>
Date: Thu, 14 Mar 2024 17:12:59 +0100
Subject: [PATCH 2614/2686] mm/madvise: make MADV_POPULATE_(READ|WRITE) handle
VM_FAULT_RETRY properly
Darrick reports that in some cases where pread() would fail with -EIO and
mmap()+access would generate a SIGBUS signal, MADV_POPULATE_READ /
MADV_POPULATE_WRITE will keep retrying forever and not fail with -EFAULT.
While the madvise() call can be interrupted by a signal, this is not the
desired behavior. MADV_POPULATE_READ / MADV_POPULATE_WRITE should behave
like page faults in that case: fail and not retry forever.
A reproducer can be found at [1].
The reason is that __get_user_pages(), as called by
faultin_vma_page_range(), will not handle VM_FAULT_RETRY in a proper way:
it will simply return 0 when VM_FAULT_RETRY happened, making
madvise_populate()->faultin_vma_page_range() retry again and again, never
setting FOLL_TRIED->FAULT_FLAG_TRIED for __get_user_pages().
__get_user_pages_locked() does what we want, but duplicating that logic in
faultin_vma_page_range() feels wrong.
So let's use __get_user_pages_locked() instead, that will detect
VM_FAULT_RETRY and set FOLL_TRIED when retrying, making the fault handler
return VM_FAULT_SIGBUS (VM_FAULT_ERROR) at some point, propagating -EFAULT
from faultin_page() to __get_user_pages(), all the way to
madvise_populate().
But, there is an issue: __get_user_pages_locked() will end up re-taking
the MM lock and then __get_user_pages() will do another VMA lookup. In
the meantime, the VMA layout could have changed and we'd fail with
different error codes than we'd want to.
As __get_user_pages() will currently do a new VMA lookup either way, let
it do the VMA handling in a different way, controlled by a new
FOLL_MADV_POPULATE flag, effectively moving these checks from
madvise_populate() + faultin_page_range() in there.
With this change, Darricks reproducer properly fails with -EFAULT, as
documented for MADV_POPULATE_READ / MADV_POPULATE_WRITE.
[1] https://lore.kernel.org/all/20240313171936.GN1927156@frogsfrogsfrogs/
Link: https://lkml.kernel.org/r/20240314161300.382526-1-david@redhat.com
Link: https://lkml.kernel.org/r/20240314161300.382526-2-david@redhat.com
Fixes: 4ca9b3859dac ("mm/madvise: introduce MADV_POPULATE_(READ|WRITE) to prefault page tables")
Signed-off-by: David Hildenbrand <david@redhat.com>
Reported-by: Darrick J. Wong <djwong@kernel.org>
Closes: https://lore.kernel.org/all/20240311223815.GW1927156@frogsfrogsfrogs/
Cc: Darrick J. Wong <djwong@kernel.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/gup.c | 54 ++++++++++++++++++++++++++++++---------------------
mm/internal.h | 10 ++++++----
mm/madvise.c | 17 ++--------------
3 files changed, 40 insertions(+), 41 deletions(-)
diff --git a/mm/gup.c b/mm/gup.c
index af8edadc05d1b..1611e73b1121b 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1206,6 +1206,22 @@ static long __get_user_pages(struct mm_struct *mm,
/* first iteration or cross vma bound */
if (!vma || start >= vma->vm_end) {
+ /*
+ * MADV_POPULATE_(READ|WRITE) wants to handle VMA
+ * lookups+error reporting differently.
+ */
+ if (gup_flags & FOLL_MADV_POPULATE) {
+ vma = vma_lookup(mm, start);
+ if (!vma) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ if (check_vma_flags(vma, gup_flags)) {
+ ret = -EINVAL;
+ goto out;
+ }
+ goto retry;
+ }
vma = gup_vma_lookup(mm, start);
if (!vma && in_gate_area(mm, start)) {
ret = get_gate_page(mm, start & PAGE_MASK,
@@ -1685,35 +1701,35 @@ long populate_vma_page_range(struct vm_area_struct *vma,
}
/*
- * faultin_vma_page_range() - populate (prefault) page tables inside the
- * given VMA range readable/writable
+ * faultin_page_range() - populate (prefault) page tables inside the
+ * given range readable/writable
*
* This takes care of mlocking the pages, too, if VM_LOCKED is set.
*
- * @vma: target vma
+ * @mm: the mm to populate page tables in
* @start: start address
* @end: end address
* @write: whether to prefault readable or writable
* @locked: whether the mmap_lock is still held
*
- * Returns either number of processed pages in the vma, or a negative error
- * code on error (see __get_user_pages()).
+ * Returns either number of processed pages in the MM, or a negative error
+ * code on error (see __get_user_pages()). Note that this function reports
+ * errors related to VMAs, such as incompatible mappings, as expected by
+ * MADV_POPULATE_(READ|WRITE).
*
- * vma->vm_mm->mmap_lock must be held. The range must be page-aligned and
- * covered by the VMA. If it's released, *@locked will be set to 0.
+ * The range must be page-aligned.
+ *
+ * mm->mmap_lock must be held. If it's released, *@locked will be set to 0.
*/
-long faultin_vma_page_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end, bool write, int *locked)
+long faultin_page_range(struct mm_struct *mm, unsigned long start,
+ unsigned long end, bool write, int *locked)
{
- struct mm_struct *mm = vma->vm_mm;
unsigned long nr_pages = (end - start) / PAGE_SIZE;
int gup_flags;
long ret;
VM_BUG_ON(!PAGE_ALIGNED(start));
VM_BUG_ON(!PAGE_ALIGNED(end));
- VM_BUG_ON_VMA(start < vma->vm_start, vma);
- VM_BUG_ON_VMA(end > vma->vm_end, vma);
mmap_assert_locked(mm);
/*
@@ -1725,19 +1741,13 @@ long faultin_vma_page_range(struct vm_area_struct *vma, unsigned long start,
* a poisoned page.
* !FOLL_FORCE: Require proper access permissions.
*/
- gup_flags = FOLL_TOUCH | FOLL_HWPOISON | FOLL_UNLOCKABLE;
+ gup_flags = FOLL_TOUCH | FOLL_HWPOISON | FOLL_UNLOCKABLE |
+ FOLL_MADV_POPULATE;
if (write)
gup_flags |= FOLL_WRITE;
- /*
- * We want to report -EINVAL instead of -EFAULT for any permission
- * problems or incompatible mappings.
- */
- if (check_vma_flags(vma, gup_flags))
- return -EINVAL;
-
- ret = __get_user_pages(mm, start, nr_pages, gup_flags,
- NULL, locked);
+ ret = __get_user_pages_locked(mm, start, nr_pages, NULL, locked,
+ gup_flags);
lru_add_drain();
return ret;
}
diff --git a/mm/internal.h b/mm/internal.h
index 7e486f2c502ce..07ad2675a88b4 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -686,9 +686,8 @@ struct anon_vma *folio_anon_vma(struct folio *folio);
void unmap_mapping_folio(struct folio *folio);
extern long populate_vma_page_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end, int *locked);
-extern long faultin_vma_page_range(struct vm_area_struct *vma,
- unsigned long start, unsigned long end,
- bool write, int *locked);
+extern long faultin_page_range(struct mm_struct *mm, unsigned long start,
+ unsigned long end, bool write, int *locked);
extern bool mlock_future_ok(struct mm_struct *mm, unsigned long flags,
unsigned long bytes);
@@ -1127,10 +1126,13 @@ enum {
FOLL_FAST_ONLY = 1 << 20,
/* allow unlocking the mmap lock */
FOLL_UNLOCKABLE = 1 << 21,
+ /* VMA lookup+checks compatible with MADV_POPULATE_(READ|WRITE) */
+ FOLL_MADV_POPULATE = 1 << 22,
};
#define INTERNAL_GUP_FLAGS (FOLL_TOUCH | FOLL_TRIED | FOLL_REMOTE | FOLL_PIN | \
- FOLL_FAST_ONLY | FOLL_UNLOCKABLE)
+ FOLL_FAST_ONLY | FOLL_UNLOCKABLE | \
+ FOLL_MADV_POPULATE)
/*
* Indicates for which pages that are write-protected in the page table,
diff --git a/mm/madvise.c b/mm/madvise.c
index 44a498c94158c..1a073fcc4c0c0 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -908,27 +908,14 @@ static long madvise_populate(struct vm_area_struct *vma,
{
const bool write = behavior == MADV_POPULATE_WRITE;
struct mm_struct *mm = vma->vm_mm;
- unsigned long tmp_end;
int locked = 1;
long pages;
*prev = vma;
while (start < end) {
- /*
- * We might have temporarily dropped the lock. For example,
- * our VMA might have been split.
- */
- if (!vma || start >= vma->vm_end) {
- vma = vma_lookup(mm, start);
- if (!vma)
- return -ENOMEM;
- }
-
- tmp_end = min_t(unsigned long, end, vma->vm_end);
/* Populate (prefault) page tables readable/writable. */
- pages = faultin_vma_page_range(vma, start, tmp_end, write,
- &locked);
+ pages = faultin_page_range(mm, start, end, write, &locked);
if (!locked) {
mmap_read_lock(mm);
locked = 1;
@@ -949,7 +936,7 @@ static long madvise_populate(struct vm_area_struct *vma,
pr_warn_once("%s: unhandled return value: %ld\n",
__func__, pages);
fallthrough;
- case -ENOMEM:
+ case -ENOMEM: /* No VMA or out of memory. */
return -ENOMEM;
}
}
--
GitLab
From c0205eaf3af9f5db14d4b5ee4abacf4a583c3c50 Mon Sep 17 00:00:00 2001
From: Lokesh Gidra <lokeshgidra@google.com>
Date: Thu, 4 Apr 2024 10:17:26 -0700
Subject: [PATCH 2615/2686] userfaultfd: change src_folio after ensuring it's
unpinned in UFFDIO_MOVE
Commit d7a08838ab74 ("mm: userfaultfd: fix unexpected change to src_folio
when UFFDIO_MOVE fails") moved the src_folio->{mapping, index} changing to
after clearing the page-table and ensuring that it's not pinned. This
avoids failure of swapout+migration and possibly memory corruption.
However, the commit missed fixing it in the huge-page case.
Link: https://lkml.kernel.org/r/20240404171726.2302435-1-lokeshgidra@google.com
Fixes: adef440691ba ("userfaultfd: UFFDIO_MOVE uABI")
Signed-off-by: Lokesh Gidra <lokeshgidra@google.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Kalesh Singh <kaleshsingh@google.com>
Cc: Lokesh Gidra <lokeshgidra@google.com>
Cc: Nicolas Geoffray <ngeoffray@google.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/huge_memory.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 9859aa4f75538..89f58c7603b25 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2259,9 +2259,6 @@ int move_pages_huge_pmd(struct mm_struct *mm, pmd_t *dst_pmd, pmd_t *src_pmd, pm
goto unlock_ptls;
}
- folio_move_anon_rmap(src_folio, dst_vma);
- WRITE_ONCE(src_folio->index, linear_page_index(dst_vma, dst_addr));
-
src_pmdval = pmdp_huge_clear_flush(src_vma, src_addr, src_pmd);
/* Folio got pinned from under us. Put it back and fail the move. */
if (folio_maybe_dma_pinned(src_folio)) {
@@ -2270,6 +2267,9 @@ int move_pages_huge_pmd(struct mm_struct *mm, pmd_t *dst_pmd, pmd_t *src_pmd, pm
goto unlock_ptls;
}
+ folio_move_anon_rmap(src_folio, dst_vma);
+ WRITE_ONCE(src_folio->index, linear_page_index(dst_vma, dst_addr));
+
_dst_pmd = mk_huge_pmd(&src_folio->page, dst_vma->vm_page_prot);
/* Follow mremap() behavior and treat the entry dirty after the move */
_dst_pmd = pmd_mkwrite(pmd_mkdirty(_dst_pmd), dst_vma);
--
GitLab
From ea4b5b33bf8a4936cfb07759d926db697c43fb1e Mon Sep 17 00:00:00 2001
From: Oscar Salvador <osalvador@suse.de>
Date: Thu, 4 Apr 2024 09:06:59 +0200
Subject: [PATCH 2616/2686] mm,page_owner: update metadata for tail pages
Patch series "page_owner: Fix refcount imbalance and print fixup", v4.
This series consists of a refactoring/correctness of updating the metadata
of tail pages, a couple of fixups for the refcounting part and a fixup for
the stack_start() function.
From this series on, instead of counting the stacks, we count the
outstanding nr_base_pages each stack has, which gives us a much better
memory overview. The other fixup is for the migration part.
A more detailed explanation can be found in the changelog of the
respective patches.
This patch (of 4):
__set_page_owner_handle() and __reset_page_owner() update the metadata of
all pages when the page is of a higher-order, but we miss to do the same
when the pages are migrated. __folio_copy_owner() only updates the
metadata of the head page, meaning that the information stored in the
first page and the tail pages will not match.
Strictly speaking that is not a big problem because 1) we do not print
tail pages and 2) upon splitting all tail pages will inherit the metadata
of the head page, but it is better to have all metadata in check should
there be any problem, so it can ease debugging.
For that purpose, a couple of helpers are created
__update_page_owner_handle() which updates the metadata on allocation, and
__update_page_owner_free_handle() which does the same when the page is
freed.
__folio_copy_owner() will make use of both as it needs to entirely replace
the page_owner metadata for the new page.
Link: https://lkml.kernel.org/r/20240404070702.2744-1-osalvador@suse.de
Link: https://lkml.kernel.org/r/20240404070702.2744-2-osalvador@suse.de
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Marco Elver <elver@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Alexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/page_owner.c | 137 ++++++++++++++++++++++++++----------------------
1 file changed, 74 insertions(+), 63 deletions(-)
diff --git a/mm/page_owner.c b/mm/page_owner.c
index d17d1351ec84a..52d1ced0b57fb 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -228,9 +228,58 @@ static void dec_stack_record_count(depot_stack_handle_t handle)
refcount_dec(&stack_record->count);
}
-void __reset_page_owner(struct page *page, unsigned short order)
+static inline void __update_page_owner_handle(struct page_ext *page_ext,
+ depot_stack_handle_t handle,
+ unsigned short order,
+ gfp_t gfp_mask,
+ short last_migrate_reason, u64 ts_nsec,
+ pid_t pid, pid_t tgid, char *comm)
{
int i;
+ struct page_owner *page_owner;
+
+ for (i = 0; i < (1 << order); i++) {
+ page_owner = get_page_owner(page_ext);
+ page_owner->handle = handle;
+ page_owner->order = order;
+ page_owner->gfp_mask = gfp_mask;
+ page_owner->last_migrate_reason = last_migrate_reason;
+ page_owner->pid = pid;
+ page_owner->tgid = tgid;
+ page_owner->ts_nsec = ts_nsec;
+ strscpy(page_owner->comm, comm,
+ sizeof(page_owner->comm));
+ __set_bit(PAGE_EXT_OWNER, &page_ext->flags);
+ __set_bit(PAGE_EXT_OWNER_ALLOCATED, &page_ext->flags);
+ page_ext = page_ext_next(page_ext);
+ }
+}
+
+static inline void __update_page_owner_free_handle(struct page_ext *page_ext,
+ depot_stack_handle_t handle,
+ unsigned short order,
+ pid_t pid, pid_t tgid,
+ u64 free_ts_nsec)
+{
+ int i;
+ struct page_owner *page_owner;
+
+ for (i = 0; i < (1 << order); i++) {
+ page_owner = get_page_owner(page_ext);
+ /* Only __reset_page_owner() wants to clear the bit */
+ if (handle) {
+ __clear_bit(PAGE_EXT_OWNER_ALLOCATED, &page_ext->flags);
+ page_owner->free_handle = handle;
+ }
+ page_owner->free_ts_nsec = free_ts_nsec;
+ page_owner->free_pid = current->pid;
+ page_owner->free_tgid = current->tgid;
+ page_ext = page_ext_next(page_ext);
+ }
+}
+
+void __reset_page_owner(struct page *page, unsigned short order)
+{
struct page_ext *page_ext;
depot_stack_handle_t handle;
depot_stack_handle_t alloc_handle;
@@ -245,16 +294,10 @@ void __reset_page_owner(struct page *page, unsigned short order)
alloc_handle = page_owner->handle;
handle = save_stack(GFP_NOWAIT | __GFP_NOWARN);
- for (i = 0; i < (1 << order); i++) {
- __clear_bit(PAGE_EXT_OWNER_ALLOCATED, &page_ext->flags);
- page_owner->free_handle = handle;
- page_owner->free_ts_nsec = free_ts_nsec;
- page_owner->free_pid = current->pid;
- page_owner->free_tgid = current->tgid;
- page_ext = page_ext_next(page_ext);
- page_owner = get_page_owner(page_ext);
- }
+ __update_page_owner_free_handle(page_ext, handle, order, current->pid,
+ current->tgid, free_ts_nsec);
page_ext_put(page_ext);
+
if (alloc_handle != early_handle)
/*
* early_handle is being set as a handle for all those
@@ -266,36 +309,11 @@ void __reset_page_owner(struct page *page, unsigned short order)
dec_stack_record_count(alloc_handle);
}
-static inline void __set_page_owner_handle(struct page_ext *page_ext,
- depot_stack_handle_t handle,
- unsigned short order, gfp_t gfp_mask)
-{
- struct page_owner *page_owner;
- int i;
- u64 ts_nsec = local_clock();
-
- for (i = 0; i < (1 << order); i++) {
- page_owner = get_page_owner(page_ext);
- page_owner->handle = handle;
- page_owner->order = order;
- page_owner->gfp_mask = gfp_mask;
- page_owner->last_migrate_reason = -1;
- page_owner->pid = current->pid;
- page_owner->tgid = current->tgid;
- page_owner->ts_nsec = ts_nsec;
- strscpy(page_owner->comm, current->comm,
- sizeof(page_owner->comm));
- __set_bit(PAGE_EXT_OWNER, &page_ext->flags);
- __set_bit(PAGE_EXT_OWNER_ALLOCATED, &page_ext->flags);
-
- page_ext = page_ext_next(page_ext);
- }
-}
-
noinline void __set_page_owner(struct page *page, unsigned short order,
gfp_t gfp_mask)
{
struct page_ext *page_ext;
+ u64 ts_nsec = local_clock();
depot_stack_handle_t handle;
handle = save_stack(gfp_mask);
@@ -303,7 +321,9 @@ noinline void __set_page_owner(struct page *page, unsigned short order,
page_ext = page_ext_get(page);
if (unlikely(!page_ext))
return;
- __set_page_owner_handle(page_ext, handle, order, gfp_mask);
+ __update_page_owner_handle(page_ext, handle, order, gfp_mask, -1,
+ current->pid, current->tgid, ts_nsec,
+ current->comm);
page_ext_put(page_ext);
inc_stack_record_count(handle, gfp_mask);
}
@@ -342,7 +362,7 @@ void __folio_copy_owner(struct folio *newfolio, struct folio *old)
{
struct page_ext *old_ext;
struct page_ext *new_ext;
- struct page_owner *old_page_owner, *new_page_owner;
+ struct page_owner *old_page_owner;
old_ext = page_ext_get(&old->page);
if (unlikely(!old_ext))
@@ -355,31 +375,21 @@ void __folio_copy_owner(struct folio *newfolio, struct folio *old)
}
old_page_owner = get_page_owner(old_ext);
- new_page_owner = get_page_owner(new_ext);
- new_page_owner->order = old_page_owner->order;
- new_page_owner->gfp_mask = old_page_owner->gfp_mask;
- new_page_owner->last_migrate_reason =
- old_page_owner->last_migrate_reason;
- new_page_owner->handle = old_page_owner->handle;
- new_page_owner->pid = old_page_owner->pid;
- new_page_owner->tgid = old_page_owner->tgid;
- new_page_owner->free_pid = old_page_owner->free_pid;
- new_page_owner->free_tgid = old_page_owner->free_tgid;
- new_page_owner->ts_nsec = old_page_owner->ts_nsec;
- new_page_owner->free_ts_nsec = old_page_owner->ts_nsec;
- strcpy(new_page_owner->comm, old_page_owner->comm);
-
+ __update_page_owner_handle(new_ext, old_page_owner->handle,
+ old_page_owner->order, old_page_owner->gfp_mask,
+ old_page_owner->last_migrate_reason,
+ old_page_owner->ts_nsec, old_page_owner->pid,
+ old_page_owner->tgid, old_page_owner->comm);
/*
- * We don't clear the bit on the old folio as it's going to be freed
- * after migration. Until then, the info can be useful in case of
- * a bug, and the overall stats will be off a bit only temporarily.
- * Also, migrate_misplaced_transhuge_page() can still fail the
- * migration and then we want the old folio to retain the info. But
- * in that case we also don't need to explicitly clear the info from
- * the new page, which will be freed.
+ * Do not proactively clear PAGE_EXT_OWNER{_ALLOCATED} bits as the folio
+ * will be freed after migration. Keep them until then as they may be
+ * useful.
*/
- __set_bit(PAGE_EXT_OWNER, &new_ext->flags);
- __set_bit(PAGE_EXT_OWNER_ALLOCATED, &new_ext->flags);
+ __update_page_owner_free_handle(new_ext, 0, old_page_owner->order,
+ old_page_owner->free_pid,
+ old_page_owner->free_tgid,
+ old_page_owner->free_ts_nsec);
+
page_ext_put(new_ext);
page_ext_put(old_ext);
}
@@ -787,8 +797,9 @@ static void init_pages_in_zone(pg_data_t *pgdat, struct zone *zone)
goto ext_put_continue;
/* Found early allocated page */
- __set_page_owner_handle(page_ext, early_handle,
- 0, 0);
+ __update_page_owner_handle(page_ext, early_handle, 0, 0,
+ -1, local_clock(), current->pid,
+ current->tgid, current->comm);
count++;
ext_put_continue:
page_ext_put(page_ext);
--
GitLab
From f5c12105c15f0ddf0ff37646290568dd986fa2f3 Mon Sep 17 00:00:00 2001
From: Oscar Salvador <osalvador@suse.de>
Date: Thu, 4 Apr 2024 09:07:00 +0200
Subject: [PATCH 2617/2686] mm,page_owner: fix refcount imbalance
Current code does not contemplate scenarios were an allocation and free
operation on the same pages do not handle it in the same amount at once.
To give an example, page_alloc_exact(), where we will allocate a page of
enough order to stafisfy the size request, but we will free the remainings
right away.
In the above example, we will increment the stack_record refcount only
once, but we will decrease it the same number of times as number of unused
pages we have to free. This will lead to a warning because of refcount
imbalance.
Fix this by recording the number of base pages in the refcount field.
Link: https://lkml.kernel.org/r/20240404070702.2744-3-osalvador@suse.de
Reported-by: syzbot+41bbfdb8d41003d12c0f@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/linux-mm/00000000000090e8ff0613eda0e5@google.com
Fixes: 217b2119b9e2 ("mm,page_owner: implement the tracking of the stacks count")
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Marco Elver <elver@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
Documentation/mm/page_owner.rst | 73 +++++++++++++++++----------------
mm/page_owner.c | 34 ++++++++-------
2 files changed, 58 insertions(+), 49 deletions(-)
diff --git a/Documentation/mm/page_owner.rst b/Documentation/mm/page_owner.rst
index 0d0334cd51798..3a45a20fc05a1 100644
--- a/Documentation/mm/page_owner.rst
+++ b/Documentation/mm/page_owner.rst
@@ -24,10 +24,10 @@ fragmentation statistics can be obtained through gfp flag information of
each page. It is already implemented and activated if page owner is
enabled. Other usages are more than welcome.
-It can also be used to show all the stacks and their outstanding
-allocations, which gives us a quick overview of where the memory is going
-without the need to screen through all the pages and match the allocation
-and free operation.
+It can also be used to show all the stacks and their current number of
+allocated base pages, which gives us a quick overview of where the memory
+is going without the need to screen through all the pages and match the
+allocation and free operation.
page owner is disabled by default. So, if you'd like to use it, you need
to add "page_owner=on" to your boot cmdline. If the kernel is built
@@ -75,42 +75,45 @@ Usage
cat /sys/kernel/debug/page_owner_stacks/show_stacks > stacks.txt
cat stacks.txt
- prep_new_page+0xa9/0x120
- get_page_from_freelist+0x7e6/0x2140
- __alloc_pages+0x18a/0x370
- new_slab+0xc8/0x580
- ___slab_alloc+0x1f2/0xaf0
- __slab_alloc.isra.86+0x22/0x40
- kmem_cache_alloc+0x31b/0x350
- __khugepaged_enter+0x39/0x100
- dup_mmap+0x1c7/0x5ce
- copy_process+0x1afe/0x1c90
- kernel_clone+0x9a/0x3c0
- __do_sys_clone+0x66/0x90
- do_syscall_64+0x7f/0x160
- entry_SYSCALL_64_after_hwframe+0x6c/0x74
- stack_count: 234
+ post_alloc_hook+0x177/0x1a0
+ get_page_from_freelist+0xd01/0xd80
+ __alloc_pages+0x39e/0x7e0
+ allocate_slab+0xbc/0x3f0
+ ___slab_alloc+0x528/0x8a0
+ kmem_cache_alloc+0x224/0x3b0
+ sk_prot_alloc+0x58/0x1a0
+ sk_alloc+0x32/0x4f0
+ inet_create+0x427/0xb50
+ __sock_create+0x2e4/0x650
+ inet_ctl_sock_create+0x30/0x180
+ igmp_net_init+0xc1/0x130
+ ops_init+0x167/0x410
+ setup_net+0x304/0xa60
+ copy_net_ns+0x29b/0x4a0
+ create_new_namespaces+0x4a1/0x820
+ nr_base_pages: 16
...
...
echo 7000 > /sys/kernel/debug/page_owner_stacks/count_threshold
cat /sys/kernel/debug/page_owner_stacks/show_stacks> stacks_7000.txt
cat stacks_7000.txt
- prep_new_page+0xa9/0x120
- get_page_from_freelist+0x7e6/0x2140
- __alloc_pages+0x18a/0x370
- alloc_pages_mpol+0xdf/0x1e0
- folio_alloc+0x14/0x50
- filemap_alloc_folio+0xb0/0x100
- page_cache_ra_unbounded+0x97/0x180
- filemap_fault+0x4b4/0x1200
- __do_fault+0x2d/0x110
- do_pte_missing+0x4b0/0xa30
- __handle_mm_fault+0x7fa/0xb70
- handle_mm_fault+0x125/0x300
- do_user_addr_fault+0x3c9/0x840
- exc_page_fault+0x68/0x150
- asm_exc_page_fault+0x22/0x30
- stack_count: 8248
+ post_alloc_hook+0x177/0x1a0
+ get_page_from_freelist+0xd01/0xd80
+ __alloc_pages+0x39e/0x7e0
+ alloc_pages_mpol+0x22e/0x490
+ folio_alloc+0xd5/0x110
+ filemap_alloc_folio+0x78/0x230
+ page_cache_ra_order+0x287/0x6f0
+ filemap_get_pages+0x517/0x1160
+ filemap_read+0x304/0x9f0
+ xfs_file_buffered_read+0xe6/0x1d0 [xfs]
+ xfs_file_read_iter+0x1f0/0x380 [xfs]
+ __kernel_read+0x3b9/0x730
+ kernel_read_file+0x309/0x4d0
+ __do_sys_finit_module+0x381/0x730
+ do_syscall_64+0x8d/0x150
+ entry_SYSCALL_64_after_hwframe+0x62/0x6a
+ nr_base_pages: 20824
...
cat /sys/kernel/debug/page_owner > page_owner_full.txt
diff --git a/mm/page_owner.c b/mm/page_owner.c
index 52d1ced0b57fb..5df0d6892bdce 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -196,7 +196,8 @@ static void add_stack_record_to_list(struct stack_record *stack_record,
spin_unlock_irqrestore(&stack_list_lock, flags);
}
-static void inc_stack_record_count(depot_stack_handle_t handle, gfp_t gfp_mask)
+static void inc_stack_record_count(depot_stack_handle_t handle, gfp_t gfp_mask,
+ int nr_base_pages)
{
struct stack_record *stack_record = __stack_depot_get_stack_record(handle);
@@ -217,15 +218,20 @@ static void inc_stack_record_count(depot_stack_handle_t handle, gfp_t gfp_mask)
/* Add the new stack_record to our list */
add_stack_record_to_list(stack_record, gfp_mask);
}
- refcount_inc(&stack_record->count);
+ refcount_add(nr_base_pages, &stack_record->count);
}
-static void dec_stack_record_count(depot_stack_handle_t handle)
+static void dec_stack_record_count(depot_stack_handle_t handle,
+ int nr_base_pages)
{
struct stack_record *stack_record = __stack_depot_get_stack_record(handle);
- if (stack_record)
- refcount_dec(&stack_record->count);
+ if (!stack_record)
+ return;
+
+ if (refcount_sub_and_test(nr_base_pages, &stack_record->count))
+ pr_warn("%s: refcount went to 0 for %u handle\n", __func__,
+ handle);
}
static inline void __update_page_owner_handle(struct page_ext *page_ext,
@@ -306,7 +312,7 @@ void __reset_page_owner(struct page *page, unsigned short order)
* the machinery is not ready yet, we cannot decrement
* their refcount either.
*/
- dec_stack_record_count(alloc_handle);
+ dec_stack_record_count(alloc_handle, 1 << order);
}
noinline void __set_page_owner(struct page *page, unsigned short order,
@@ -325,7 +331,7 @@ noinline void __set_page_owner(struct page *page, unsigned short order,
current->pid, current->tgid, ts_nsec,
current->comm);
page_ext_put(page_ext);
- inc_stack_record_count(handle, gfp_mask);
+ inc_stack_record_count(handle, gfp_mask, 1 << order);
}
void __set_page_owner_migrate_reason(struct page *page, int reason)
@@ -872,11 +878,11 @@ static void *stack_next(struct seq_file *m, void *v, loff_t *ppos)
return stack;
}
-static unsigned long page_owner_stack_threshold;
+static unsigned long page_owner_pages_threshold;
static int stack_print(struct seq_file *m, void *v)
{
- int i, stack_count;
+ int i, nr_base_pages;
struct stack *stack = v;
unsigned long *entries;
unsigned long nr_entries;
@@ -887,14 +893,14 @@ static int stack_print(struct seq_file *m, void *v)
nr_entries = stack_record->size;
entries = stack_record->entries;
- stack_count = refcount_read(&stack_record->count) - 1;
+ nr_base_pages = refcount_read(&stack_record->count) - 1;
- if (stack_count < 1 || stack_count < page_owner_stack_threshold)
+ if (nr_base_pages < 1 || nr_base_pages < page_owner_pages_threshold)
return 0;
for (i = 0; i < nr_entries; i++)
seq_printf(m, " %pS\n", (void *)entries[i]);
- seq_printf(m, "stack_count: %d\n\n", stack_count);
+ seq_printf(m, "nr_base_pages: %d\n\n", nr_base_pages);
return 0;
}
@@ -924,13 +930,13 @@ static const struct file_operations page_owner_stack_operations = {
static int page_owner_threshold_get(void *data, u64 *val)
{
- *val = READ_ONCE(page_owner_stack_threshold);
+ *val = READ_ONCE(page_owner_pages_threshold);
return 0;
}
static int page_owner_threshold_set(void *data, u64 val)
{
- WRITE_ONCE(page_owner_stack_threshold, val);
+ WRITE_ONCE(page_owner_pages_threshold, val);
return 0;
}
--
GitLab
From 718b1f3373a7999f77e617c17abdcb98a3c001ea Mon Sep 17 00:00:00 2001
From: Oscar Salvador <osalvador@suse.de>
Date: Thu, 4 Apr 2024 09:07:01 +0200
Subject: [PATCH 2618/2686] mm,page_owner: fix accounting of pages when
migrating
Upon migration, new allocated pages are being given the handle of the old
pages. This is problematic because it means that for the stack which
allocated the old page, we will be substracting the old page + the new one
when that page is freed, creating an accounting imbalance.
There is an interest in keeping it that way, as otherwise the output will
biased towards migration stacks should those operations occur often, but
that is not really helpful.
The link from the new page to the old stack is being performed by calling
__update_page_owner_handle() in __folio_copy_owner(). The only thing that
is left is to link the migrate stack to the old page, so the old page will
be subtracted from the migrate stack, avoiding by doing so any possible
imbalance.
Link: https://lkml.kernel.org/r/20240404070702.2744-4-osalvador@suse.de
Fixes: 217b2119b9e2 ("mm,page_owner: implement the tracking of the stacks count")
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Alexander Potapenko <glider@google.com>
Cc: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Marco Elver <elver@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/page_owner.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/mm/page_owner.c b/mm/page_owner.c
index 5df0d6892bdce..b4476f45b376e 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -366,9 +366,12 @@ void __split_page_owner(struct page *page, int old_order, int new_order)
void __folio_copy_owner(struct folio *newfolio, struct folio *old)
{
+ int i;
struct page_ext *old_ext;
struct page_ext *new_ext;
struct page_owner *old_page_owner;
+ struct page_owner *new_page_owner;
+ depot_stack_handle_t migrate_handle;
old_ext = page_ext_get(&old->page);
if (unlikely(!old_ext))
@@ -381,6 +384,8 @@ void __folio_copy_owner(struct folio *newfolio, struct folio *old)
}
old_page_owner = get_page_owner(old_ext);
+ new_page_owner = get_page_owner(new_ext);
+ migrate_handle = new_page_owner->handle;
__update_page_owner_handle(new_ext, old_page_owner->handle,
old_page_owner->order, old_page_owner->gfp_mask,
old_page_owner->last_migrate_reason,
@@ -395,6 +400,16 @@ void __folio_copy_owner(struct folio *newfolio, struct folio *old)
old_page_owner->free_pid,
old_page_owner->free_tgid,
old_page_owner->free_ts_nsec);
+ /*
+ * We linked the original stack to the new folio, we need to do the same
+ * for the new one and the old folio otherwise there will be an imbalance
+ * when subtracting those pages from the stack.
+ */
+ for (i = 0; i < (1 << new_page_owner->order); i++) {
+ old_page_owner->handle = migrate_handle;
+ old_ext = page_ext_next(old_ext);
+ old_page_owner = get_page_owner(old_ext);
+ }
page_ext_put(new_ext);
page_ext_put(old_ext);
--
GitLab
From 74017458017127ca6bf14b1f9fda69e03f43389b Mon Sep 17 00:00:00 2001
From: Oscar Salvador <osalvador@suse.de>
Date: Thu, 4 Apr 2024 09:07:02 +0200
Subject: [PATCH 2619/2686] mm,page_owner: fix printing of stack records
When seq_* code sees that its buffer overflowed, it re-allocates a bigger
onecand calls seq_operations->start() callback again. stack_start()
naively though that if it got called again, it meant that the old record
got already printed so it returned the next object, but that is not true.
The consequence of that is that every time stack_stop() -> stack_start()
get called because we needed a bigger buffer, stack_start() will skip
entries, and those will not be printed.
Fix it by not advancing to the next object in stack_start().
Link: https://lkml.kernel.org/r/20240404070702.2744-5-osalvador@suse.de
Fixes: 765973a09803 ("mm,page_owner: display all stacks and their count")
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Alexander Potapenko <glider@google.com>
Cc: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Marco Elver <elver@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/page_owner.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/mm/page_owner.c b/mm/page_owner.c
index b4476f45b376e..9bef0b4428634 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -872,13 +872,11 @@ static void *stack_start(struct seq_file *m, loff_t *ppos)
* value of stack_list.
*/
stack = smp_load_acquire(&stack_list);
+ m->private = stack;
} else {
stack = m->private;
- stack = stack->next;
}
- m->private = stack;
-
return stack;
}
--
GitLab
From c5977c95dff182d6ee06f4d6f60bcb0284912969 Mon Sep 17 00:00:00 2001
From: Peter Xu <peterx@redhat.com>
Date: Fri, 5 Apr 2024 19:19:20 -0400
Subject: [PATCH 2620/2686] mm/userfaultfd: allow hugetlb change protection
upon poison entry
After UFFDIO_POISON, there can be two kinds of hugetlb pte markers, either
the POISON one or UFFD_WP one.
Allow change protection to run on a poisoned marker just like !hugetlb
cases, ignoring the marker irrelevant of the permission.
Here the two bits are mutual exclusive. For example, when install a
poisoned entry it must not be UFFD_WP already (by checking pte_none()
before such install). And it also means if UFFD_WP is set there must have
no POISON bit set. It makes sense because UFFD_WP is a bit to reflect
permission, and permissions do not apply if the pte is poisoned and
destined to sigbus.
So here we simply check uffd_wp bit set first, do nothing otherwise.
Attach the Fixes to UFFDIO_POISON work, as before that it should not be
possible to have poison entry for hugetlb (e.g., hugetlb doesn't do swap,
so no chance of swapin errors).
Link: https://lkml.kernel.org/r/20240405231920.1772199-1-peterx@redhat.com
Link: https://lore.kernel.org/r/000000000000920d5e0615602dd1@google.com
Fixes: fc71884a5f59 ("mm: userfaultfd: add new UFFDIO_POISON ioctl")
Signed-off-by: Peter Xu <peterx@redhat.com>
Reported-by: syzbot+b07c8ac8eee3d4d8440f@syzkaller.appspotmail.com
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Axel Rasmussen <axelrasmussen@google.com>
Cc: <stable@vger.kernel.org> [6.6+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/hugetlb.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 23ef240ba48a6..31d00eee028f1 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -7044,9 +7044,13 @@ long hugetlb_change_protection(struct vm_area_struct *vma,
if (!pte_same(pte, newpte))
set_huge_pte_at(mm, address, ptep, newpte, psize);
} else if (unlikely(is_pte_marker(pte))) {
- /* No other markers apply for now. */
- WARN_ON_ONCE(!pte_marker_uffd_wp(pte));
- if (uffd_wp_resolve)
+ /*
+ * Do nothing on a poison marker; page is
+ * corrupted, permissons do not apply. Here
+ * pte_marker_uffd_wp()==true implies !poison
+ * because they're mutual exclusive.
+ */
+ if (pte_marker_uffd_wp(pte) && uffd_wp_resolve)
/* Safe to modify directly (non-present->none). */
huge_pte_clear(mm, address, ptep, psize);
} else if (!huge_pte_none(pte)) {
--
GitLab
From 1983184c22dd84a4d95a71e5c6775c2638557dc7 Mon Sep 17 00:00:00 2001
From: Miaohe Lin <linmiaohe@huawei.com>
Date: Sun, 7 Apr 2024 16:54:56 +0800
Subject: [PATCH 2621/2686] mm/memory-failure: fix deadlock when
hugetlb_optimize_vmemmap is enabled
When I did hard offline test with hugetlb pages, below deadlock occurs:
======================================================
WARNING: possible circular locking dependency detected
6.8.0-11409-gf6cef5f8c37f #1 Not tainted
------------------------------------------------------
bash/46904 is trying to acquire lock:
ffffffffabe68910 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_dec+0x16/0x60
but task is already holding lock:
ffffffffabf92ea8 (pcp_batch_high_lock){+.+.}-{3:3}, at: zone_pcp_disable+0x16/0x40
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (pcp_batch_high_lock){+.+.}-{3:3}:
__mutex_lock+0x6c/0x770
page_alloc_cpu_online+0x3c/0x70
cpuhp_invoke_callback+0x397/0x5f0
__cpuhp_invoke_callback_range+0x71/0xe0
_cpu_up+0xeb/0x210
cpu_up+0x91/0xe0
cpuhp_bringup_mask+0x49/0xb0
bringup_nonboot_cpus+0xb7/0xe0
smp_init+0x25/0xa0
kernel_init_freeable+0x15f/0x3e0
kernel_init+0x15/0x1b0
ret_from_fork+0x2f/0x50
ret_from_fork_asm+0x1a/0x30
-> #0 (cpu_hotplug_lock){++++}-{0:0}:
__lock_acquire+0x1298/0x1cd0
lock_acquire+0xc0/0x2b0
cpus_read_lock+0x2a/0xc0
static_key_slow_dec+0x16/0x60
__hugetlb_vmemmap_restore_folio+0x1b9/0x200
dissolve_free_huge_page+0x211/0x260
__page_handle_poison+0x45/0xc0
memory_failure+0x65e/0xc70
hard_offline_page_store+0x55/0xa0
kernfs_fop_write_iter+0x12c/0x1d0
vfs_write+0x387/0x550
ksys_write+0x64/0xe0
do_syscall_64+0xca/0x1e0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(pcp_batch_high_lock);
lock(cpu_hotplug_lock);
lock(pcp_batch_high_lock);
rlock(cpu_hotplug_lock);
*** DEADLOCK ***
5 locks held by bash/46904:
#0: ffff98f6c3bb23f0 (sb_writers#5){.+.+}-{0:0}, at: ksys_write+0x64/0xe0
#1: ffff98f6c328e488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0xf8/0x1d0
#2: ffff98ef83b31890 (kn->active#113){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x100/0x1d0
#3: ffffffffabf9db48 (mf_mutex){+.+.}-{3:3}, at: memory_failure+0x44/0xc70
#4: ffffffffabf92ea8 (pcp_batch_high_lock){+.+.}-{3:3}, at: zone_pcp_disable+0x16/0x40
stack backtrace:
CPU: 10 PID: 46904 Comm: bash Kdump: loaded Not tainted 6.8.0-11409-gf6cef5f8c37f #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x68/0xa0
check_noncircular+0x129/0x140
__lock_acquire+0x1298/0x1cd0
lock_acquire+0xc0/0x2b0
cpus_read_lock+0x2a/0xc0
static_key_slow_dec+0x16/0x60
__hugetlb_vmemmap_restore_folio+0x1b9/0x200
dissolve_free_huge_page+0x211/0x260
__page_handle_poison+0x45/0xc0
memory_failure+0x65e/0xc70
hard_offline_page_store+0x55/0xa0
kernfs_fop_write_iter+0x12c/0x1d0
vfs_write+0x387/0x550
ksys_write+0x64/0xe0
do_syscall_64+0xca/0x1e0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fc862314887
Code: 10 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
RSP: 002b:00007fff19311268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc862314887
RDX: 000000000000000c RSI: 000056405645fe10 RDI: 0000000000000001
RBP: 000056405645fe10 R08: 00007fc8623d1460 R09: 000000007fffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c
R13: 00007fc86241b780 R14: 00007fc862417600 R15: 00007fc862416a00
In short, below scene breaks the lock dependency chain:
memory_failure
__page_handle_poison
zone_pcp_disable -- lock(pcp_batch_high_lock)
dissolve_free_huge_page
__hugetlb_vmemmap_restore_folio
static_key_slow_dec
cpus_read_lock -- rlock(cpu_hotplug_lock)
Fix this by calling drain_all_pages() instead.
This issue won't occur until commit a6b40850c442 ("mm: hugetlb: replace
hugetlb_free_vmemmap_enabled with a static_key"). As it introduced
rlock(cpu_hotplug_lock) in dissolve_free_huge_page() code path while
lock(pcp_batch_high_lock) is already in the __page_handle_poison().
[linmiaohe@huawei.com: extend comment per Oscar]
[akpm@linux-foundation.org: reflow block comment]
Link: https://lkml.kernel.org/r/20240407085456.2798193-1-linmiaohe@huawei.com
Fixes: a6b40850c442 ("mm: hugetlb: replace hugetlb_free_vmemmap_enabled with a static_key")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/memory-failure.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 9349948f1abfd..9e62a00b46dde 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -154,11 +154,23 @@ static int __page_handle_poison(struct page *page)
{
int ret;
- zone_pcp_disable(page_zone(page));
+ /*
+ * zone_pcp_disable() can't be used here. It will
+ * hold pcp_batch_high_lock and dissolve_free_huge_page() might hold
+ * cpu_hotplug_lock via static_key_slow_dec() when hugetlb vmemmap
+ * optimization is enabled. This will break current lock dependency
+ * chain and leads to deadlock.
+ * Disabling pcp before dissolving the page was a deterministic
+ * approach because we made sure that those pages cannot end up in any
+ * PCP list. Draining PCP lists expels those pages to the buddy system,
+ * but nothing guarantees that those pages do not get back to a PCP
+ * queue if we need to refill those.
+ */
ret = dissolve_free_huge_page(page);
- if (!ret)
+ if (!ret) {
+ drain_all_pages(page_zone(page));
ret = take_page_off_buddy(page);
- zone_pcp_enable(page_zone(page));
+ }
return ret;
}
--
GitLab
From 07a57a338adb6ec9e766d6a6790f76527f45ceb5 Mon Sep 17 00:00:00 2001
From: Oscar Salvador <osalvador@suse.de>
Date: Sun, 7 Apr 2024 15:05:37 +0200
Subject: [PATCH 2622/2686] mm,swapops: update check in is_pfn_swap_entry for
hwpoison entries
Tony reported that the Machine check recovery was broken in v6.9-rc1, as
he was hitting a VM_BUG_ON when injecting uncorrectable memory errors to
DRAM.
After some more digging and debugging on his side, he realized that this
went back to v6.1, with the introduction of 'commit 0d206b5d2e0d
("mm/swap: add swp_offset_pfn() to fetch PFN from swap entry")'. That
commit, among other things, introduced swp_offset_pfn(), replacing
hwpoison_entry_to_pfn() in its favour.
The patch also introduced a VM_BUG_ON() check for is_pfn_swap_entry(), but
is_pfn_swap_entry() never got updated to cover hwpoison entries, which
means that we would hit the VM_BUG_ON whenever we would call
swp_offset_pfn() for such entries on environments with CONFIG_DEBUG_VM
set. Fix this by updating the check to cover hwpoison entries as well,
and update the comment while we are it.
Link: https://lkml.kernel.org/r/20240407130537.16977-1-osalvador@suse.de
Fixes: 0d206b5d2e0d ("mm/swap: add swp_offset_pfn() to fetch PFN from swap entry")
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reported-by: Tony Luck <tony.luck@intel.com>
Closes: https://lore.kernel.org/all/Zg8kLSl2yAlA3o5D@agluck-desk3/
Tested-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: <stable@vger.kernel.org> [6.1.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/swapops.h | 65 +++++++++++++++++++++--------------------
1 file changed, 33 insertions(+), 32 deletions(-)
diff --git a/include/linux/swapops.h b/include/linux/swapops.h
index 48b700ba1d188..a5c560a2f8c25 100644
--- a/include/linux/swapops.h
+++ b/include/linux/swapops.h
@@ -390,6 +390,35 @@ static inline bool is_migration_entry_dirty(swp_entry_t entry)
}
#endif /* CONFIG_MIGRATION */
+#ifdef CONFIG_MEMORY_FAILURE
+
+/*
+ * Support for hardware poisoned pages
+ */
+static inline swp_entry_t make_hwpoison_entry(struct page *page)
+{
+ BUG_ON(!PageLocked(page));
+ return swp_entry(SWP_HWPOISON, page_to_pfn(page));
+}
+
+static inline int is_hwpoison_entry(swp_entry_t entry)
+{
+ return swp_type(entry) == SWP_HWPOISON;
+}
+
+#else
+
+static inline swp_entry_t make_hwpoison_entry(struct page *page)
+{
+ return swp_entry(0, 0);
+}
+
+static inline int is_hwpoison_entry(swp_entry_t swp)
+{
+ return 0;
+}
+#endif
+
typedef unsigned long pte_marker;
#define PTE_MARKER_UFFD_WP BIT(0)
@@ -483,8 +512,9 @@ static inline struct folio *pfn_swap_entry_folio(swp_entry_t entry)
/*
* A pfn swap entry is a special type of swap entry that always has a pfn stored
- * in the swap offset. They are used to represent unaddressable device memory
- * and to restrict access to a page undergoing migration.
+ * in the swap offset. They can either be used to represent unaddressable device
+ * memory, to restrict access to a page undergoing migration or to represent a
+ * pfn which has been hwpoisoned and unmapped.
*/
static inline bool is_pfn_swap_entry(swp_entry_t entry)
{
@@ -492,7 +522,7 @@ static inline bool is_pfn_swap_entry(swp_entry_t entry)
BUILD_BUG_ON(SWP_TYPE_SHIFT < SWP_PFN_BITS);
return is_migration_entry(entry) || is_device_private_entry(entry) ||
- is_device_exclusive_entry(entry);
+ is_device_exclusive_entry(entry) || is_hwpoison_entry(entry);
}
struct page_vma_mapped_walk;
@@ -561,35 +591,6 @@ static inline int is_pmd_migration_entry(pmd_t pmd)
}
#endif /* CONFIG_ARCH_ENABLE_THP_MIGRATION */
-#ifdef CONFIG_MEMORY_FAILURE
-
-/*
- * Support for hardware poisoned pages
- */
-static inline swp_entry_t make_hwpoison_entry(struct page *page)
-{
- BUG_ON(!PageLocked(page));
- return swp_entry(SWP_HWPOISON, page_to_pfn(page));
-}
-
-static inline int is_hwpoison_entry(swp_entry_t entry)
-{
- return swp_type(entry) == SWP_HWPOISON;
-}
-
-#else
-
-static inline swp_entry_t make_hwpoison_entry(struct page *page)
-{
- return swp_entry(0, 0);
-}
-
-static inline int is_hwpoison_entry(swp_entry_t swp)
-{
- return 0;
-}
-#endif
-
static inline int non_swap_entry(swp_entry_t entry)
{
return swp_type(entry) >= MAX_SWAPFILES;
--
GitLab
From 9253c54e01b6505d348afbc02abaa4d9f8a01395 Mon Sep 17 00:00:00 2001
From: Phillip Lougher <phillip@squashfs.org.uk>
Date: Mon, 8 Apr 2024 23:02:06 +0100
Subject: [PATCH 2623/2686] Squashfs: check the inode number is not the invalid
value of zero
Syskiller has produced an out of bounds access in fill_meta_index().
That out of bounds access is ultimately caused because the inode
has an inode number with the invalid value of zero, which was not checked.
The reason this causes the out of bounds access is due to following
sequence of events:
1. Fill_meta_index() is called to allocate (via empty_meta_index())
and fill a metadata index. It however suffers a data read error
and aborts, invalidating the newly returned empty metadata index.
It does this by setting the inode number of the index to zero,
which means unused (zero is not a valid inode number).
2. When fill_meta_index() is subsequently called again on another
read operation, locate_meta_index() returns the previous index
because it matches the inode number of 0. Because this index
has been returned it is expected to have been filled, and because
it hasn't been, an out of bounds access is performed.
This patch adds a sanity check which checks that the inode number
is not zero when the inode is created and returns -EINVAL if it is.
[phillip@squashfs.org.uk: whitespace fix]
Link: https://lkml.kernel.org/r/20240409204723.446925-1-phillip@squashfs.org.uk
Link: https://lkml.kernel.org/r/20240408220206.435788-1-phillip@squashfs.org.uk
Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
Reported-by: "Ubisectech Sirius" <bugreport@ubisectech.com>
Closes: https://lore.kernel.org/lkml/87f5c007-b8a5-41ae-8b57-431e924c5915.bugreport@ubisectech.com/
Cc: Christian Brauner <brauner@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
fs/squashfs/inode.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c
index aa3411354e66d..16bd693d0b3aa 100644
--- a/fs/squashfs/inode.c
+++ b/fs/squashfs/inode.c
@@ -48,6 +48,10 @@ static int squashfs_new_inode(struct super_block *sb, struct inode *inode,
gid_t i_gid;
int err;
+ inode->i_ino = le32_to_cpu(sqsh_ino->inode_number);
+ if (inode->i_ino == 0)
+ return -EINVAL;
+
err = squashfs_get_id(sb, le16_to_cpu(sqsh_ino->uid), &i_uid);
if (err)
return err;
@@ -58,7 +62,6 @@ static int squashfs_new_inode(struct super_block *sb, struct inode *inode,
i_uid_write(inode, i_uid);
i_gid_write(inode, i_gid);
- inode->i_ino = le32_to_cpu(sqsh_ino->inode_number);
inode_set_mtime(inode, le32_to_cpu(sqsh_ino->mtime), 0);
inode_set_atime(inode, inode_get_mtime_sec(inode), 0);
inode_set_ctime(inode, inode_get_mtime_sec(inode), 0);
--
GitLab
From 0b2cf0a45e06d9538a2371f90150297a87b20eea Mon Sep 17 00:00:00 2001
From: Oscar Salvador <osalvador@suse.de>
Date: Tue, 9 Apr 2024 15:17:15 +0200
Subject: [PATCH 2624/2686] mm,page_owner: defer enablement of static branch
Kefeng Wang reported that he was seeing some memory leaks with kmemleak
with page_owner enabled.
The reason is that we enable the page_owner_inited static branch and then
proceed with the linking of stack_list struct to dummy_stack, which means
that exists a race window between these two steps where we can have pages
already being allocated calling add_stack_record_to_list(), allocating
objects and linking them to stack_list, but then we set stack_list
pointing to dummy_stack in init_page_owner. Which means that the objects
that have been allocated during that time window are unreferenced and
lost.
Fix this by deferring the enablement of the branch until we have properly
set up the list.
Link: https://lkml.kernel.org/r/20240409131715.13632-1-osalvador@suse.de
Fixes: 4bedfb314bdd ("mm,page_owner: maintain own list of stack_records structs")
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reported-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Closes: https://lore.kernel.org/linux-mm/74b147b0-718d-4d50-be75-d6afc801cd24@huawei.com/
Tested-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/page_owner.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page_owner.c b/mm/page_owner.c
index 9bef0b4428634..742f432e5bf06 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -118,7 +118,6 @@ static __init void init_page_owner(void)
register_dummy_stack();
register_failure_stack();
register_early_stack();
- static_branch_enable(&page_owner_inited);
init_early_allocated_pages();
/* Initialize dummy and failure stacks and link them to stack_list */
dummy_stack.stack_record = __stack_depot_get_stack_record(dummy_handle);
@@ -129,6 +128,7 @@ static __init void init_page_owner(void)
refcount_set(&failure_stack.stack_record->count, 1);
dummy_stack.next = &failure_stack;
stack_list = &dummy_stack;
+ static_branch_enable(&page_owner_inited);
}
struct page_ext_operations page_owner_ops = {
--
GitLab
From 1f737846aa3c45f07a06fa0d018b39e1afb8084a Mon Sep 17 00:00:00 2001
From: Sumanth Korikkar <sumanthk@linux.ibm.com>
Date: Tue, 9 Apr 2024 17:54:07 +0200
Subject: [PATCH 2625/2686] mm/shmem: inline shmem_is_huge() for disabled
transparent hugepages
In order to minimize code size (CONFIG_CC_OPTIMIZE_FOR_SIZE=y),
compiler might choose to make a regular function call (out-of-line) for
shmem_is_huge() instead of inlining it. When transparent hugepages are
disabled (CONFIG_TRANSPARENT_HUGEPAGE=n), it can cause compilation
error.
mm/shmem.c: In function `shmem_getattr':
./include/linux/huge_mm.h:383:27: note: in expansion of macro `BUILD_BUG'
383 | #define HPAGE_PMD_SIZE ({ BUILD_BUG(); 0; })
| ^~~~~~~~~
mm/shmem.c:1148:33: note: in expansion of macro `HPAGE_PMD_SIZE'
1148 | stat->blksize = HPAGE_PMD_SIZE;
To prevent the possible error, always inline shmem_is_huge() when
transparent hugepages are disabled.
Link: https://lkml.kernel.org/r/20240409155407.2322714-1-sumanthk@linux.ibm.com
Signed-off-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/shmem_fs.h | 9 +++++++++
mm/shmem.c | 6 ------
2 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h
index a4c15db2f5e54..3fb18f7eb73ea 100644
--- a/include/linux/shmem_fs.h
+++ b/include/linux/shmem_fs.h
@@ -110,8 +110,17 @@ extern struct page *shmem_read_mapping_page_gfp(struct address_space *mapping,
extern void shmem_truncate_range(struct inode *inode, loff_t start, loff_t end);
int shmem_unuse(unsigned int type);
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
extern bool shmem_is_huge(struct inode *inode, pgoff_t index, bool shmem_huge_force,
struct mm_struct *mm, unsigned long vm_flags);
+#else
+static __always_inline bool shmem_is_huge(struct inode *inode, pgoff_t index, bool shmem_huge_force,
+ struct mm_struct *mm, unsigned long vm_flags)
+{
+ return false;
+}
+#endif
+
#ifdef CONFIG_SHMEM
extern unsigned long shmem_swap_usage(struct vm_area_struct *vma);
#else
diff --git a/mm/shmem.c b/mm/shmem.c
index 0aad0d9a621b8..94ab99b6b574a 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -748,12 +748,6 @@ static long shmem_unused_huge_count(struct super_block *sb,
#define shmem_huge SHMEM_HUGE_DENY
-bool shmem_is_huge(struct inode *inode, pgoff_t index, bool shmem_huge_force,
- struct mm_struct *mm, unsigned long vm_flags)
-{
- return false;
-}
-
static unsigned long shmem_unused_huge_shrink(struct shmem_sb_info *sbinfo,
struct shrink_control *sc, unsigned long nr_to_split)
{
--
GitLab
From 35e351780fa9d8240dd6f7e4f245f9ea37e96c19 Mon Sep 17 00:00:00 2001
From: Miaohe Lin <linmiaohe@huawei.com>
Date: Wed, 10 Apr 2024 17:14:41 +0800
Subject: [PATCH 2626/2686] fork: defer linking file vma until vma is fully
initialized
Thorvald reported a WARNING [1]. And the root cause is below race:
CPU 1 CPU 2
fork hugetlbfs_fallocate
dup_mmap hugetlbfs_punch_hole
i_mmap_lock_write(mapping);
vma_interval_tree_insert_after -- Child vma is visible through i_mmap tree.
i_mmap_unlock_write(mapping);
hugetlb_dup_vma_private -- Clear vma_lock outside i_mmap_rwsem!
i_mmap_lock_write(mapping);
hugetlb_vmdelete_list
vma_interval_tree_foreach
hugetlb_vma_trylock_write -- Vma_lock is cleared.
tmp->vm_ops->open -- Alloc new vma_lock outside i_mmap_rwsem!
hugetlb_vma_unlock_write -- Vma_lock is assigned!!!
i_mmap_unlock_write(mapping);
hugetlb_dup_vma_private() and hugetlb_vm_op_open() are called outside
i_mmap_rwsem lock while vma lock can be used in the same time. Fix this
by deferring linking file vma until vma is fully initialized. Those vmas
should be initialized first before they can be used.
Link: https://lkml.kernel.org/r/20240410091441.3539905-1-linmiaohe@huawei.com
Fixes: 8d9bfb260814 ("hugetlb: add vma based lock for pmd sharing")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reported-by: Thorvald Natvig <thorvald@google.com>
Closes: https://lore.kernel.org/linux-mm/20240129161735.6gmjsswx62o4pbja@revolver/T/ [1]
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peng Zhang <zhangpeng.00@bytedance.com>
Cc: Tycho Andersen <tandersen@netflix.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
kernel/fork.c | 33 +++++++++++++++++----------------
1 file changed, 17 insertions(+), 16 deletions(-)
diff --git a/kernel/fork.c b/kernel/fork.c
index 39a5046c2f0bf..aebb3e6c96dc6 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -714,6 +714,23 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm,
} else if (anon_vma_fork(tmp, mpnt))
goto fail_nomem_anon_vma_fork;
vm_flags_clear(tmp, VM_LOCKED_MASK);
+ /*
+ * Copy/update hugetlb private vma information.
+ */
+ if (is_vm_hugetlb_page(tmp))
+ hugetlb_dup_vma_private(tmp);
+
+ /*
+ * Link the vma into the MT. After using __mt_dup(), memory
+ * allocation is not necessary here, so it cannot fail.
+ */
+ vma_iter_bulk_store(&vmi, tmp);
+
+ mm->map_count++;
+
+ if (tmp->vm_ops && tmp->vm_ops->open)
+ tmp->vm_ops->open(tmp);
+
file = tmp->vm_file;
if (file) {
struct address_space *mapping = file->f_mapping;
@@ -730,25 +747,9 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm,
i_mmap_unlock_write(mapping);
}
- /*
- * Copy/update hugetlb private vma information.
- */
- if (is_vm_hugetlb_page(tmp))
- hugetlb_dup_vma_private(tmp);
-
- /*
- * Link the vma into the MT. After using __mt_dup(), memory
- * allocation is not necessary here, so it cannot fail.
- */
- vma_iter_bulk_store(&vmi, tmp);
-
- mm->map_count++;
if (!(tmp->vm_flags & VM_WIPEONFORK))
retval = copy_page_range(tmp, mpnt);
- if (tmp->vm_ops && tmp->vm_ops->open)
- tmp->vm_ops->open(tmp);
-
if (retval) {
mpnt = vma_next(&vmi);
goto loop_out;
--
GitLab
From 8247bf1db92a9697d4ee26db3259d2a1959d1366 Mon Sep 17 00:00:00 2001
From: Naoya Horiguchi <nao.horiguchi@gmail.com>
Date: Sat, 13 Apr 2024 03:17:20 +0900
Subject: [PATCH 2627/2686] MAINTAINERS: update Naoya Horiguchi's email address
My old NEC address has been removed, so update MAINTAINERS and .mailmap to
map it to my gmail address.
Link: https://lkml.kernel.org/r/20240412181720.18452-1-nao.horiguchi@gmail.com
Signed-off-by: Naoya Horiguchi <nao.horiguchi@gmail.com>
Acked-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
.mailmap | 3 ++-
MAINTAINERS | 2 +-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/.mailmap b/.mailmap
index 8284692f96107..625b496bf5f45 100644
--- a/.mailmap
+++ b/.mailmap
@@ -446,7 +446,8 @@ Mythri P K <mythripk@ti.com>
Nadav Amit <nadav.amit@gmail.com> <namit@vmware.com>
Nadav Amit <nadav.amit@gmail.com> <namit@cs.technion.ac.il>
Nadia Yvette Chambers <nyc@holomorphy.com> William Lee Irwin III <wli@holomorphy.com>
-Naoya Horiguchi <naoya.horiguchi@nec.com> <n-horiguchi@ah.jp.nec.com>
+Naoya Horiguchi <nao.horiguchi@gmail.com> <n-horiguchi@ah.jp.nec.com>
+Naoya Horiguchi <nao.horiguchi@gmail.com> <naoya.horiguchi@nec.com>
Nathan Chancellor <nathan@kernel.org> <natechancellor@gmail.com>
Neeraj Upadhyay <quic_neeraju@quicinc.com> <neeraju@codeaurora.org>
Neil Armstrong <neil.armstrong@linaro.org> <narmstrong@baylibre.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index c23fda1aa1f09..ee9cc2b40409e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10024,7 +10024,7 @@ F: drivers/media/platform/st/sti/hva
HWPOISON MEMORY FAILURE HANDLING
M: Miaohe Lin <linmiaohe@huawei.com>
-R: Naoya Horiguchi <naoya.horiguchi@nec.com>
+R: Naoya Horiguchi <nao.horiguchi@gmail.com>
L: linux-mm@kvack.org
S: Maintained
F: mm/hwpoison-inject.c
--
GitLab
From c4a7dc9523b59b3e73fd522c73e95e072f876b16 Mon Sep 17 00:00:00 2001
From: Jeongjun Park <aha310510@gmail.com>
Date: Tue, 16 Apr 2024 03:20:48 +0900
Subject: [PATCH 2628/2686] nilfs2: fix OOB in nilfs_set_de_type
The size of the nilfs_type_by_mode array in the fs/nilfs2/dir.c file is
defined as "S_IFMT >> S_SHIFT", but the nilfs_set_de_type() function,
which uses this array, specifies the index to read from the array in the
same way as "(mode & S_IFMT) >> S_SHIFT".
static void nilfs_set_de_type(struct nilfs_dir_entry *de, struct inode
*inode)
{
umode_t mode = inode->i_mode;
de->file_type = nilfs_type_by_mode[(mode & S_IFMT)>>S_SHIFT]; // oob
}
However, when the index is determined this way, an out-of-bounds (OOB)
error occurs by referring to an index that is 1 larger than the array size
when the condition "mode & S_IFMT == S_IFMT" is satisfied. Therefore, a
patch to resize the nilfs_type_by_mode array should be applied to prevent
OOB errors.
Link: https://lkml.kernel.org/r/20240415182048.7144-1-konishi.ryusuke@gmail.com
Reported-by: syzbot+2e22057de05b9f3b30d8@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=2e22057de05b9f3b30d8
Fixes: 2ba466d74ed7 ("nilfs2: directory entry operations")
Signed-off-by: Jeongjun Park <aha310510@gmail.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Tested-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
fs/nilfs2/dir.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c
index bc846b904b68d..aee40db7a036f 100644
--- a/fs/nilfs2/dir.c
+++ b/fs/nilfs2/dir.c
@@ -240,7 +240,7 @@ nilfs_filetype_table[NILFS_FT_MAX] = {
#define S_SHIFT 12
static unsigned char
-nilfs_type_by_mode[S_IFMT >> S_SHIFT] = {
+nilfs_type_by_mode[(S_IFMT >> S_SHIFT) + 1] = {
[S_IFREG >> S_SHIFT] = NILFS_FT_REG_FILE,
[S_IFDIR >> S_SHIFT] = NILFS_FT_DIR,
[S_IFCHR >> S_SHIFT] = NILFS_FT_CHRDEV,
--
GitLab
From f8bbc07ac535593139c875ffa19af924b1084540 Mon Sep 17 00:00:00 2001
From: Lei Chen <lei.chen@smartx.com>
Date: Sun, 14 Apr 2024 22:02:46 -0400
Subject: [PATCH 2629/2686] tun: limit printing rate when illegal packet
received by tun dev
vhost_worker will call tun call backs to receive packets. If too many
illegal packets arrives, tun_do_read will keep dumping packet contents.
When console is enabled, it will costs much more cpu time to dump
packet and soft lockup will be detected.
net_ratelimit mechanism can be used to limit the dumping rate.
PID: 33036 TASK: ffff949da6f20000 CPU: 23 COMMAND: "vhost-32980"
#0 [fffffe00003fce50] crash_nmi_callback at ffffffff89249253
#1 [fffffe00003fce58] nmi_handle at ffffffff89225fa3
#2 [fffffe00003fceb0] default_do_nmi at ffffffff8922642e
#3 [fffffe00003fced0] do_nmi at ffffffff8922660d
#4 [fffffe00003fcef0] end_repeat_nmi at ffffffff89c01663
[exception RIP: io_serial_in+20]
RIP: ffffffff89792594 RSP: ffffa655314979e8 RFLAGS: 00000002
RAX: ffffffff89792500 RBX: ffffffff8af428a0 RCX: 0000000000000000
RDX: 00000000000003fd RSI: 0000000000000005 RDI: ffffffff8af428a0
RBP: 0000000000002710 R8: 0000000000000004 R9: 000000000000000f
R10: 0000000000000000 R11: ffffffff8acbf64f R12: 0000000000000020
R13: ffffffff8acbf698 R14: 0000000000000058 R15: 0000000000000000
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#5 [ffffa655314979e8] io_serial_in at ffffffff89792594
#6 [ffffa655314979e8] wait_for_xmitr at ffffffff89793470
#7 [ffffa65531497a08] serial8250_console_putchar at ffffffff897934f6
#8 [ffffa65531497a20] uart_console_write at ffffffff8978b605
#9 [ffffa65531497a48] serial8250_console_write at ffffffff89796558
#10 [ffffa65531497ac8] console_unlock at ffffffff89316124
#11 [ffffa65531497b10] vprintk_emit at ffffffff89317c07
#12 [ffffa65531497b68] printk at ffffffff89318306
#13 [ffffa65531497bc8] print_hex_dump at ffffffff89650765
#14 [ffffa65531497ca8] tun_do_read at ffffffffc0b06c27 [tun]
#15 [ffffa65531497d38] tun_recvmsg at ffffffffc0b06e34 [tun]
#16 [ffffa65531497d68] handle_rx at ffffffffc0c5d682 [vhost_net]
#17 [ffffa65531497ed0] vhost_worker at ffffffffc0c644dc [vhost]
#18 [ffffa65531497f10] kthread at ffffffff892d2e72
#19 [ffffa65531497f50] ret_from_fork at ffffffff89c0022f
Fixes: ef3db4a59542 ("tun: avoid BUG, dump packet on GSO errors")
Signed-off-by: Lei Chen <lei.chen@smartx.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20240415020247.2207781-1-lei.chen@smartx.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/tun.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 0b3f21cba552f..92da8c03d960c 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -2125,14 +2125,16 @@ static ssize_t tun_put_user(struct tun_struct *tun,
tun_is_little_endian(tun), true,
vlan_hlen)) {
struct skb_shared_info *sinfo = skb_shinfo(skb);
- pr_err("unexpected GSO type: "
- "0x%x, gso_size %d, hdr_len %d\n",
- sinfo->gso_type, tun16_to_cpu(tun, gso.gso_size),
- tun16_to_cpu(tun, gso.hdr_len));
- print_hex_dump(KERN_ERR, "tun: ",
- DUMP_PREFIX_NONE,
- 16, 1, skb->head,
- min((int)tun16_to_cpu(tun, gso.hdr_len), 64), true);
+
+ if (net_ratelimit()) {
+ netdev_err(tun->dev, "unexpected GSO type: 0x%x, gso_size %d, hdr_len %d\n",
+ sinfo->gso_type, tun16_to_cpu(tun, gso.gso_size),
+ tun16_to_cpu(tun, gso.hdr_len));
+ print_hex_dump(KERN_ERR, "tun: ",
+ DUMP_PREFIX_NONE,
+ 16, 1, skb->head,
+ min((int)tun16_to_cpu(tun, gso.hdr_len), 64), true);
+ }
WARN_ON_ONCE(1);
return -EINVAL;
}
--
GitLab
From fb1f4584b1215e8c209f6b3a4028ed8351a0e961 Mon Sep 17 00:00:00 2001
From: Chuanhong Guo <gch981213@gmail.com>
Date: Tue, 12 Mar 2024 14:29:12 +0800
Subject: [PATCH 2630/2686] USB: serial: option: add support for Fibocom
FM650/FG650
Fibocom FM650/FG650 are 5G modems with ECM/NCM/RNDIS/MBIM modes.
This patch adds support to all 4 modes.
In all 4 modes, the first serial port is the AT console while the other
3 appear to be diagnostic interfaces for dumping modem logs.
usb-devices output for all modes:
ECM:
T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 5 Spd=5000 MxCh= 0
D: Ver= 3.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
P: Vendor=2cb7 ProdID=0a04 Rev=04.04
S: Manufacturer=Fibocom Wireless Inc.
S: Product=FG650 Module
S: SerialNumber=0123456789ABCDEF
C: #Ifs= 5 Cfg#= 1 Atr=c0 MxPwr=504mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=06 Prot=00 Driver=cdc_ether
E: Ad=82(I) Atr=03(Int.) MxPS= 16 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether
E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
NCM:
T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 6 Spd=5000 MxCh= 0
D: Ver= 3.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
P: Vendor=2cb7 ProdID=0a05 Rev=04.04
S: Manufacturer=Fibocom Wireless Inc.
S: Product=FG650 Module
S: SerialNumber=0123456789ABCDEF
C: #Ifs= 6 Cfg#= 1 Atr=c0 MxPwr=504mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0d Prot=00 Driver=cdc_ncm
E: Ad=82(I) Atr=03(Int.) MxPS= 16 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=01 Driver=cdc_ncm
E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=05(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
RNDIS:
T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 4 Spd=5000 MxCh= 0
D: Ver= 3.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
P: Vendor=2cb7 ProdID=0a06 Rev=04.04
S: Manufacturer=Fibocom Wireless Inc.
S: Product=FG650 Module
S: SerialNumber=0123456789ABCDEF
C: #Ifs= 6 Cfg#= 1 Atr=c0 MxPwr=504mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=e0(wlcon) Sub=01 Prot=03 Driver=rndis_host
E: Ad=82(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
I: If#= 1 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=rndis_host
E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=05(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
MBIM:
T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 7 Spd=5000 MxCh= 0
D: Ver= 3.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
P: Vendor=2cb7 ProdID=0a07 Rev=04.04
S: Manufacturer=Fibocom Wireless Inc.
S: Product=FG650 Module
S: SerialNumber=0123456789ABCDEF
C: #Ifs= 6 Cfg#= 1 Atr=c0 MxPwr=504mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=05(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/option.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 16cf0ddaae9b7..ad0fff1e889d0 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -2295,6 +2295,10 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a3, 0xff) }, /* Fibocom FM101-GL (laptop MBIM) */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a4, 0xff), /* Fibocom FM101-GL (laptop MBIM) */
.driver_info = RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a04, 0xff) }, /* Fibocom FM650-CN (ECM mode) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a05, 0xff) }, /* Fibocom FM650-CN (NCM mode) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a06, 0xff) }, /* Fibocom FM650-CN (RNDIS mode) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a07, 0xff) }, /* Fibocom FM650-CN (MBIM mode) */
{ USB_DEVICE_INTERFACE_CLASS(0x2df3, 0x9d03, 0xff) }, /* LongSung M5710 */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */
--
GitLab
From d59cf049c8378677053703e724808836f180888e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= <arinc.unal@arinc9.com>
Date: Sat, 13 Apr 2024 16:01:39 +0300
Subject: [PATCH 2631/2686] net: dsa: mt7530: fix mirroring frames received on
local port
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This switch intellectual property provides a bit on the ARL global control
register which controls allowing mirroring frames which are received on the
local port (monitor port). This bit is unset after reset.
This ability must be enabled to fully support the port mirroring feature on
this switch intellectual property.
Therefore, this patch fixes the traffic not being reflected on a port,
which would be configured like below:
tc qdisc add dev swp0 clsact
tc filter add dev swp0 ingress matchall skip_sw \
action mirred egress mirror dev swp0
As a side note, this configuration provides the hairpinning feature for a
single port.
Fixes: 37feab6076aa ("net: dsa: mt7530: add support for port mirroring")
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/dsa/mt7530.c | 6 ++++++
drivers/net/dsa/mt7530.h | 4 ++++
2 files changed, 10 insertions(+)
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index c0d0bce0b5942..b84e1845fa028 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2480,6 +2480,9 @@ mt7530_setup(struct dsa_switch *ds)
PVC_EG_TAG(MT7530_VLAN_EG_CONSISTENT));
}
+ /* Allow mirroring frames received on the local port (monitor port). */
+ mt7530_set(priv, MT753X_AGC, LOCAL_EN);
+
/* Setup VLAN ID 0 for VLAN-unaware bridges */
ret = mt7530_setup_vlan0(priv);
if (ret)
@@ -2591,6 +2594,9 @@ mt7531_setup_common(struct dsa_switch *ds)
PVC_EG_TAG(MT7530_VLAN_EG_CONSISTENT));
}
+ /* Allow mirroring frames received on the local port (monitor port). */
+ mt7530_set(priv, MT753X_AGC, LOCAL_EN);
+
/* Flush the FDB table */
ret = mt7530_fdb_cmd(priv, MT7530_FDB_FLUSH, NULL);
if (ret < 0)
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index 585db03c05487..a08053390b285 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -32,6 +32,10 @@ enum mt753x_id {
#define SYSC_REG_RSTCTRL 0x34
#define RESET_MCM BIT(2)
+/* Register for ARL global control */
+#define MT753X_AGC 0xc
+#define LOCAL_EN BIT(7)
+
/* Registers to mac forward control for unknown frames */
#define MT7530_MFC 0x10
#define BC_FFP(x) (((x) & 0xff) << 24)
--
GitLab
From 2c606d138518cc69f09c35929abc414a99e3a28f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= <arinc.unal@arinc9.com>
Date: Sat, 13 Apr 2024 16:01:40 +0300
Subject: [PATCH 2632/2686] net: dsa: mt7530: fix port mirroring for MT7988 SoC
switch
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The "MT7988A Wi-Fi 7 Generation Router Platform: Datasheet (Open Version)
v0.1" document shows bits 16 to 18 as the MIRROR_PORT field of the CPU
forward control register. Currently, the MT7530 DSA subdriver configures
bits 0 to 2 of the CPU forward control register which breaks the port
mirroring feature for the MT7988 SoC switch.
Fix this by using the MT7531_MIRROR_PORT_GET() and MT7531_MIRROR_PORT_SET()
macros which utilise the correct bits.
Fixes: 110c18bfed41 ("net: dsa: mt7530: introduce driver for MT7988 built-in switch")
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/dsa/mt7530.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index b84e1845fa028..8090390edaf9d 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1883,14 +1883,16 @@ mt7530_port_vlan_del(struct dsa_switch *ds, int port,
static int mt753x_mirror_port_get(unsigned int id, u32 val)
{
- return (id == ID_MT7531) ? MT7531_MIRROR_PORT_GET(val) :
- MIRROR_PORT(val);
+ return (id == ID_MT7531 || id == ID_MT7988) ?
+ MT7531_MIRROR_PORT_GET(val) :
+ MIRROR_PORT(val);
}
static int mt753x_mirror_port_set(unsigned int id, u32 val)
{
- return (id == ID_MT7531) ? MT7531_MIRROR_PORT_SET(val) :
- MIRROR_PORT(val);
+ return (id == ID_MT7531 || id == ID_MT7988) ?
+ MT7531_MIRROR_PORT_SET(val) :
+ MIRROR_PORT(val);
}
static int mt753x_port_mirror_add(struct dsa_switch *ds, int port,
--
GitLab
From 13c785323b36b845300b256d0e5963c3727667d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 17 Apr 2024 11:03:27 +0200
Subject: [PATCH 2633/2686] serial: stm32: Return IRQ_NONE in the ISR if no
handling happend
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
If there is a stuck irq that the handler doesn't address, returning
IRQ_HANDLED unconditionally makes it impossible for the irq core to
detect the problem and disable the irq. So only return IRQ_HANDLED if
an event was handled.
A stuck irq is still problematic, but with this change at least it only
makes the UART nonfunctional instead of occupying the (usually only) CPU
by 100% and so stall the whole machine.
Fixes: 48a6092fb41f ("serial: stm32-usart: Add STM32 USART Driver")
Cc: stable@vger.kernel.org
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/5f92603d0dfd8a5b8014b2b10a902d91e0bb881f.1713344161.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/stm32-usart.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 58d169e5c1db0..d60cbac691944 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -861,6 +861,7 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr)
const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;
u32 sr;
unsigned int size;
+ irqreturn_t ret = IRQ_NONE;
sr = readl_relaxed(port->membase + ofs->isr);
@@ -869,11 +870,14 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr)
(sr & USART_SR_TC)) {
stm32_usart_tc_interrupt_disable(port);
stm32_usart_rs485_rts_disable(port);
+ ret = IRQ_HANDLED;
}
- if ((sr & USART_SR_RTOF) && ofs->icr != UNDEF_REG)
+ if ((sr & USART_SR_RTOF) && ofs->icr != UNDEF_REG) {
writel_relaxed(USART_ICR_RTOCF,
port->membase + ofs->icr);
+ ret = IRQ_HANDLED;
+ }
if ((sr & USART_SR_WUF) && ofs->icr != UNDEF_REG) {
/* Clear wake up flag and disable wake up interrupt */
@@ -882,6 +886,7 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr)
stm32_usart_clr_bits(port, ofs->cr3, USART_CR3_WUFIE);
if (irqd_is_wakeup_set(irq_get_irq_data(port->irq)))
pm_wakeup_event(tport->tty->dev, 0);
+ ret = IRQ_HANDLED;
}
/*
@@ -896,6 +901,7 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr)
uart_unlock_and_check_sysrq(port);
if (size)
tty_flip_buffer_push(tport);
+ ret = IRQ_HANDLED;
}
}
@@ -903,6 +909,7 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr)
uart_port_lock(port);
stm32_usart_transmit_chars(port);
uart_port_unlock(port);
+ ret = IRQ_HANDLED;
}
/* Receiver timeout irq for DMA RX */
@@ -912,9 +919,10 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr)
uart_unlock_and_check_sysrq(port);
if (size)
tty_flip_buffer_push(tport);
+ ret = IRQ_HANDLED;
}
- return IRQ_HANDLED;
+ return ret;
}
static void stm32_usart_set_mctrl(struct uart_port *port, unsigned int mctrl)
--
GitLab
From ea2624b5b829b8f93c0dce25721d835969b34faf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Wed, 17 Apr 2024 11:03:28 +0200
Subject: [PATCH 2634/2686] serial: stm32: Reset .throttled state in .startup()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
When an UART is opened that still has .throttled set from a previous
open, the RX interrupt is enabled but the irq handler doesn't consider
it. This easily results in a stuck irq with the effect to occupy the CPU
in a tight loop.
So reset the throttle state in .startup() to ensure that RX irqs are
handled.
Fixes: d1ec8a2eabe9 ("serial: stm32: update throttle and unthrottle ops for dma mode")
Cc: stable@vger.kernel.org
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/a784f80d3414f7db723b2ec66efc56e1ad666cbf.1713344161.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/serial/stm32-usart.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index d60cbac691944..4fa5a03ebac08 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -1092,6 +1092,7 @@ static int stm32_usart_startup(struct uart_port *port)
val |= USART_CR2_SWAP;
writel_relaxed(val, port->membase + ofs->cr2);
}
+ stm32_port->throttled = false;
/* RX FIFO Flush */
if (ofs->rqr != UNDEF_REG)
--
GitLab
From e871abcda3b67d0820b4182ebe93435624e9c6a4 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Wed, 17 Apr 2024 13:38:29 +0200
Subject: [PATCH 2635/2686] random: handle creditable entropy from atomic
process context
The entropy accounting changes a static key when the RNG has
initialized, since it only ever initializes once. Static key changes,
however, cannot be made from atomic context, so depending on where the
last creditable entropy comes from, the static key change might need to
be deferred to a worker.
Previously the code used the execute_in_process_context() helper
function, which accounts for whether or not the caller is
in_interrupt(). However, that doesn't account for the case where the
caller is actually in process context but is holding a spinlock.
This turned out to be the case with input_handle_event() in
drivers/input/input.c contributing entropy:
[<ffffffd613025ba0>] die+0xa8/0x2fc
[<ffffffd613027428>] bug_handler+0x44/0xec
[<ffffffd613016964>] brk_handler+0x90/0x144
[<ffffffd613041e58>] do_debug_exception+0xa0/0x148
[<ffffffd61400c208>] el1_dbg+0x60/0x7c
[<ffffffd61400c000>] el1h_64_sync_handler+0x38/0x90
[<ffffffd613011294>] el1h_64_sync+0x64/0x6c
[<ffffffd613102d88>] __might_resched+0x1fc/0x2e8
[<ffffffd613102b54>] __might_sleep+0x44/0x7c
[<ffffffd6130b6eac>] cpus_read_lock+0x1c/0xec
[<ffffffd6132c2820>] static_key_enable+0x14/0x38
[<ffffffd61400ac08>] crng_set_ready+0x14/0x28
[<ffffffd6130df4dc>] execute_in_process_context+0xb8/0xf8
[<ffffffd61400ab30>] _credit_init_bits+0x118/0x1dc
[<ffffffd6138580c8>] add_timer_randomness+0x264/0x270
[<ffffffd613857e54>] add_input_randomness+0x38/0x48
[<ffffffd613a80f94>] input_handle_event+0x2b8/0x490
[<ffffffd613a81310>] input_event+0x6c/0x98
According to Guoyong, it's not really possible to refactor the various
drivers to never hold a spinlock there. And in_atomic() isn't reliable.
So, rather than trying to be too fancy, just punt the change in the
static key to a workqueue always. There's basically no drawback of doing
this, as the code already needed to account for the static key not
changing immediately, and given that it's just an optimization, there's
not exactly a hurry to change the static key right away, so deferal is
fine.
Reported-by: Guoyong Wang <guoyong.wang@mediatek.com>
Cc: stable@vger.kernel.org
Fixes: f5bda35fba61 ("random: use static branch for crng_ready()")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
drivers/char/random.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 456be28ba67cb..2597cb43f4387 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -702,7 +702,7 @@ static void extract_entropy(void *buf, size_t len)
static void __cold _credit_init_bits(size_t bits)
{
- static struct execute_work set_ready;
+ static DECLARE_WORK(set_ready, crng_set_ready);
unsigned int new, orig, add;
unsigned long flags;
@@ -718,8 +718,8 @@ static void __cold _credit_init_bits(size_t bits)
if (orig < POOL_READY_BITS && new >= POOL_READY_BITS) {
crng_reseed(NULL); /* Sets crng_init to CRNG_READY under base_crng.lock. */
- if (static_key_initialized)
- execute_in_process_context(crng_set_ready, &set_ready);
+ if (static_key_initialized && system_unbound_wq)
+ queue_work(system_unbound_wq, &set_ready);
atomic_notifier_call_chain(&random_ready_notifier, 0, NULL);
wake_up_interruptible(&crng_init_wait);
kill_fasync(&fasync, SIGIO, POLL_IN);
@@ -890,8 +890,8 @@ void __init random_init(void)
/*
* If we were initialized by the cpu or bootloader before jump labels
- * are initialized, then we should enable the static branch here, where
- * it's guaranteed that jump labels have been initialized.
+ * or workqueues are initialized, then we should enable the static
+ * branch here, where it's guaranteed that these have been initialized.
*/
if (!static_branch_likely(&crng_is_ready) && crng_init >= CRNG_READY)
crng_set_ready(NULL);
--
GitLab
From 83781384a96b95e2b6403d3c8a002b2c89031770 Mon Sep 17 00:00:00 2001
From: Gerd Bayer <gbayer@linux.ibm.com>
Date: Mon, 15 Apr 2024 15:15:07 +0200
Subject: [PATCH 2636/2686] s390/ism: Properly fix receive message buffer
allocation
Since [1], dma_alloc_coherent() does not accept requests for GFP_COMP
anymore, even on archs that may be able to fulfill this. Functionality that
relied on the receive buffer being a compound page broke at that point:
The SMC-D protocol, that utilizes the ism device driver, passes receive
buffers to the splice processor in a struct splice_pipe_desc with a
single entry list of struct pages. As the buffer is no longer a compound
page, the splice processor now rejects requests to handle more than a
page worth of data.
Replace dma_alloc_coherent() and allocate a buffer with folio_alloc and
create a DMA map for it with dma_map_page(). Since only receive buffers
on ISM devices use DMA, qualify the mapping as FROM_DEVICE.
Since ISM devices are available on arch s390, only, and on that arch all
DMA is coherent, there is no need to introduce and export some kind of
dma_sync_to_cpu() method to be called by the SMC-D protocol layer.
Analogously, replace dma_free_coherent by a two step dma_unmap_page,
then folio_put to free the receive buffer.
[1] https://lore.kernel.org/all/20221113163535.884299-1-hch@lst.de/
Fixes: c08004eede4b ("s390/ism: don't pass bogus GFP_ flags to dma_alloc_coherent")
Signed-off-by: Gerd Bayer <gbayer@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/s390/net/ism_drv.c | 37 ++++++++++++++++++++++++++++---------
1 file changed, 28 insertions(+), 9 deletions(-)
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
index 2c8e964425dc3..43778b088ffac 100644
--- a/drivers/s390/net/ism_drv.c
+++ b/drivers/s390/net/ism_drv.c
@@ -292,13 +292,16 @@ static int ism_read_local_gid(struct ism_dev *ism)
static void ism_free_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
{
clear_bit(dmb->sba_idx, ism->sba_bitmap);
- dma_free_coherent(&ism->pdev->dev, dmb->dmb_len,
- dmb->cpu_addr, dmb->dma_addr);
+ dma_unmap_page(&ism->pdev->dev, dmb->dma_addr, dmb->dmb_len,
+ DMA_FROM_DEVICE);
+ folio_put(virt_to_folio(dmb->cpu_addr));
}
static int ism_alloc_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
{
+ struct folio *folio;
unsigned long bit;
+ int rc;
if (PAGE_ALIGN(dmb->dmb_len) > dma_get_max_seg_size(&ism->pdev->dev))
return -EINVAL;
@@ -315,14 +318,30 @@ static int ism_alloc_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
test_and_set_bit(dmb->sba_idx, ism->sba_bitmap))
return -EINVAL;
- dmb->cpu_addr = dma_alloc_coherent(&ism->pdev->dev, dmb->dmb_len,
- &dmb->dma_addr,
- GFP_KERNEL | __GFP_NOWARN |
- __GFP_NOMEMALLOC | __GFP_NORETRY);
- if (!dmb->cpu_addr)
- clear_bit(dmb->sba_idx, ism->sba_bitmap);
+ folio = folio_alloc(GFP_KERNEL | __GFP_NOWARN | __GFP_NOMEMALLOC |
+ __GFP_NORETRY, get_order(dmb->dmb_len));
- return dmb->cpu_addr ? 0 : -ENOMEM;
+ if (!folio) {
+ rc = -ENOMEM;
+ goto out_bit;
+ }
+
+ dmb->cpu_addr = folio_address(folio);
+ dmb->dma_addr = dma_map_page(&ism->pdev->dev,
+ virt_to_page(dmb->cpu_addr), 0,
+ dmb->dmb_len, DMA_FROM_DEVICE);
+ if (dma_mapping_error(&ism->pdev->dev, dmb->dma_addr)) {
+ rc = -ENOMEM;
+ goto out_free;
+ }
+
+ return 0;
+
+out_free:
+ kfree(dmb->cpu_addr);
+out_bit:
+ clear_bit(dmb->sba_idx, ism->sba_bitmap);
+ return rc;
}
int ism_register_dmb(struct ism_dev *ism, struct ism_dmb *dmb,
--
GitLab
From 652ead9b746a63e4e79d7ad66d3edf0a8a5b0c2f Mon Sep 17 00:00:00 2001
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date: Thu, 4 Apr 2024 11:03:02 +0200
Subject: [PATCH 2637/2686] drm/xe: Fix bo leak in intel_fb_bo_framebuffer_init
Add a unreference bo in the error path, to prevent leaking a bo ref.
Return 0 on success to clarify the success path.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: 44e694958b95 ("drm/xe/display: Implement display support")
Cc: <stable@vger.kernel.org> # v6.8+
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404090302.68422-1-maarten.lankhorst@linux.intel.com
(cherry picked from commit a2f3d731be3893e730417ae3190760fcaffdf549)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/display/intel_fb_bo.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/xe/display/intel_fb_bo.c b/drivers/gpu/drm/xe/display/intel_fb_bo.c
index b21da7b745a5e..a9c1f9885c6bb 100644
--- a/drivers/gpu/drm/xe/display/intel_fb_bo.c
+++ b/drivers/gpu/drm/xe/display/intel_fb_bo.c
@@ -31,7 +31,7 @@ int intel_fb_bo_framebuffer_init(struct intel_framebuffer *intel_fb,
ret = ttm_bo_reserve(&bo->ttm, true, false, NULL);
if (ret)
- return ret;
+ goto err;
if (!(bo->flags & XE_BO_SCANOUT_BIT)) {
/*
@@ -42,12 +42,16 @@ int intel_fb_bo_framebuffer_init(struct intel_framebuffer *intel_fb,
*/
if (XE_IOCTL_DBG(i915, !list_empty(&bo->ttm.base.gpuva.list))) {
ttm_bo_unreserve(&bo->ttm);
- return -EINVAL;
+ ret = -EINVAL;
+ goto err;
}
bo->flags |= XE_BO_SCANOUT_BIT;
}
ttm_bo_unreserve(&bo->ttm);
+ return 0;
+err:
+ xe_bo_put(bo);
return ret;
}
--
GitLab
From ca7c52ac7ad384bcf299d89482c45fec7cd00da9 Mon Sep 17 00:00:00 2001
From: Matthew Auld <matthew.auld@intel.com>
Date: Fri, 12 Apr 2024 12:31:45 +0100
Subject: [PATCH 2638/2686] drm/xe/vm: prevent UAF with asid based lookup
The asid is only erased from the xarray when the vm refcount reaches
zero, however this leads to potential UAF since the xe_vm_get() only
works on a vm with refcount != 0. Since the asid is allocated in the vm
create ioctl, rather erase it when closing the vm, prior to dropping the
potential last ref. This should also work when user closes driver fd
without explicit vm destroy.
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1594
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412113144.259426-4-matthew.auld@intel.com
(cherry picked from commit 83967c57320d0d01ae512f10e79213f81e4bf594)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/xe/xe_vm.c | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index 62d1ef8867a84..3d4c8f342e215 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -1577,6 +1577,16 @@ void xe_vm_close_and_put(struct xe_vm *vm)
xe->usm.num_vm_in_fault_mode--;
else if (!(vm->flags & XE_VM_FLAG_MIGRATION))
xe->usm.num_vm_in_non_fault_mode--;
+
+ if (vm->usm.asid) {
+ void *lookup;
+
+ xe_assert(xe, xe->info.has_asid);
+ xe_assert(xe, !(vm->flags & XE_VM_FLAG_MIGRATION));
+
+ lookup = xa_erase(&xe->usm.asid_to_vm, vm->usm.asid);
+ xe_assert(xe, lookup == vm);
+ }
mutex_unlock(&xe->usm.lock);
for_each_tile(tile, xe, id)
@@ -1592,24 +1602,15 @@ static void vm_destroy_work_func(struct work_struct *w)
struct xe_device *xe = vm->xe;
struct xe_tile *tile;
u8 id;
- void *lookup;
/* xe_vm_close_and_put was not called? */
xe_assert(xe, !vm->size);
mutex_destroy(&vm->snap_mutex);
- if (!(vm->flags & XE_VM_FLAG_MIGRATION)) {
+ if (!(vm->flags & XE_VM_FLAG_MIGRATION))
xe_device_mem_access_put(xe);
- if (xe->info.has_asid && vm->usm.asid) {
- mutex_lock(&xe->usm.lock);
- lookup = xa_erase(&xe->usm.asid_to_vm, vm->usm.asid);
- xe_assert(xe, lookup == vm);
- mutex_unlock(&xe->usm.lock);
- }
- }
-
for_each_tile(tile, xe, id)
XE_WARN_ON(vm->pt_root[id]);
--
GitLab
From f609e7b1b49e4d15cf107d2069673ee63860c398 Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@amd.com>
Date: Wed, 10 Apr 2024 09:10:46 -0500
Subject: [PATCH 2639/2686] platform/x86/amd/pmc: Extend Framework 13 quirk to
more BIOSes
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
BIOS 03.05 still hasn't fixed the spurious IRQ1 issue. As it's still
being worked on there is still a possibility that it won't need to
apply to future BIOS releases.
Add a quirk for BIOS 03.05 as well.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240410141046.433-1-mario.limonciello@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/platform/x86/amd/pmc/pmc-quirks.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/platform/x86/amd/pmc/pmc-quirks.c b/drivers/platform/x86/amd/pmc/pmc-quirks.c
index b456370166b6b..b4f49720c87f6 100644
--- a/drivers/platform/x86/amd/pmc/pmc-quirks.c
+++ b/drivers/platform/x86/amd/pmc/pmc-quirks.c
@@ -208,6 +208,15 @@ static const struct dmi_system_id fwbug_list[] = {
DMI_MATCH(DMI_BIOS_VERSION, "03.03"),
}
},
+ {
+ .ident = "Framework Laptop 13 (Phoenix)",
+ .driver_data = &quirk_spurious_8042,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Framework"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Laptop 13 (AMD Ryzen 7040Series)"),
+ DMI_MATCH(DMI_BIOS_VERSION, "03.05"),
+ }
+ },
{}
};
--
GitLab
From ca7c4507ba87e9fc22e0ecfa819c3664b3e8287b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Fri, 15 Mar 2024 13:07:53 +0100
Subject: [PATCH 2640/2686] drm/amdgpu: remove invalid resource->start check v2
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The majority of those where removed in the commit aed01a68047b
("drm/amdgpu: Remove TTM resource->start visible VRAM condition v2")
But this one was missed because it's working on the resource and not the
BO. Since we also no longer use a fake start address for visible BOs
this will now trigger invalid mapping errors.
v2: also remove the unused variable
Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: aed01a68047b ("drm/amdgpu: Remove TTM resource->start visible VRAM condition v2")
CC: stable@vger.kernel.org
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index fc418e670fdae..6417cb76ccd44 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -557,7 +557,6 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev,
struct ttm_resource *mem)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bdev);
- size_t bus_size = (size_t)mem->size;
switch (mem->mem_type) {
case TTM_PL_SYSTEM:
@@ -568,9 +567,6 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev,
break;
case TTM_PL_VRAM:
mem->bus.offset = mem->start << PAGE_SHIFT;
- /* check if it's visible */
- if ((mem->bus.offset + bus_size) > adev->gmc.visible_vram_size)
- return -EINVAL;
if (adev->mman.aper_base_kaddr &&
mem->placement & TTM_PL_FLAG_CONTIGUOUS)
--
GitLab
From 18921b205012568b45760753ad3146ddb9e2d4e2 Mon Sep 17 00:00:00 2001
From: Felix Kuehling <felix.kuehling@amd.com>
Date: Wed, 10 Apr 2024 15:52:10 -0400
Subject: [PATCH 2641/2686] drm/amdkfd: Fix memory leak in create_process
failure
Fix memory leak due to a leaked mmget reference on an error handling
code path that is triggered when attempting to create KFD processes
while a GPU reset is in progress.
Fixes: 0ab2d7532b05 ("drm/amdkfd: prepare per-process debug enable and disable")
CC: Xiaogang Chen <xiaogang.chen@amd.com>
Signed-off-by: Felix Kuehling <felix.kuehling@amd.com>
Tested-by: Harish Kasiviswanthan <Harish.Kasiviswanthan@amd.com>
Reviewed-by: Mukul Joshi <mukul.joshi@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/amd/amdkfd/kfd_process.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index 717a60d7a4ea9..b79986412cd83 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -819,9 +819,9 @@ struct kfd_process *kfd_create_process(struct task_struct *thread)
mutex_lock(&kfd_processes_mutex);
if (kfd_is_locked()) {
- mutex_unlock(&kfd_processes_mutex);
pr_debug("KFD is locked! Cannot create process");
- return ERR_PTR(-EINVAL);
+ process = ERR_PTR(-EINVAL);
+ goto out;
}
/* A prior open of /dev/kfd could have already created the process. */
--
GitLab
From 91f10a3d21f2313485178d49efef8a3ba02bd8c7 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 29 Mar 2024 18:03:03 -0400
Subject: [PATCH 2642/2686] Revert "drm/amd/display: fix USB-C flag update
after enc10 feature init"
This reverts commit b5abd7f983e14054593dc91d6df2aa5f8cc67652.
This change breaks DSC on 4k monitors at 144Hz over USB-C.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3254
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Muhammad Ahmed <ahmed.ahmed@amd.com>
Cc: Tom Chung <chiahsuan.chung@amd.com>
Cc: Charlene Liu <charlene.liu@amd.com>
Cc: Hamza Mahfooz <hamza.mahfooz@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: stable@vger.kernel.org
---
.../gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.c | 8 +++-----
.../gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c | 4 ++--
2 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.c
index e224a028d68ac..8a0460e863097 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.c
@@ -248,14 +248,12 @@ void dcn32_link_encoder_construct(
enc10->base.hpd_source = init_data->hpd_source;
enc10->base.connector = init_data->connector;
- enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
-
- enc10->base.features = *enc_features;
if (enc10->base.connector.id == CONNECTOR_ID_USBC)
enc10->base.features.flags.bits.DP_IS_USB_C = 1;
- if (enc10->base.connector.id == CONNECTOR_ID_USBC)
- enc10->base.features.flags.bits.DP_IS_USB_C = 1;
+ enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
+
+ enc10->base.features = *enc_features;
enc10->base.transmitter = init_data->transmitter;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c
index 81e349d5835bb..da94e5309fbaf 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c
@@ -184,6 +184,8 @@ void dcn35_link_encoder_construct(
enc10->base.hpd_source = init_data->hpd_source;
enc10->base.connector = init_data->connector;
+ if (enc10->base.connector.id == CONNECTOR_ID_USBC)
+ enc10->base.features.flags.bits.DP_IS_USB_C = 1;
enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
@@ -238,8 +240,6 @@ void dcn35_link_encoder_construct(
}
enc10->base.features.flags.bits.HDMI_6GB_EN = 1;
- if (enc10->base.connector.id == CONNECTOR_ID_USBC)
- enc10->base.features.flags.bits.DP_IS_USB_C = 1;
if (bp_funcs->get_connector_speed_cap_info)
result = bp_funcs->get_connector_speed_cap_info(enc10->base.ctx->dc_bios,
--
GitLab
From d111855ab7ffffc552f6a475259dc392f2319b6d Mon Sep 17 00:00:00 2001
From: Sven Schnelle <svens@linux.ibm.com>
Date: Mon, 15 Apr 2024 07:52:13 +0200
Subject: [PATCH 2643/2686] s390/mm: Fix NULL pointer dereference
The recently added check to figure out if a fault happened on gmap ASCE
dereferences the gmap pointer in lowcore without checking that it is not
NULL. For all non-KVM processes the pointer is NULL, so that some value
from lowcore will be read. With the current layouts of struct gmap and
struct lowcore the read value (aka ASCE) is zero, so that this doesn't lead
to any observable bug; at least currently.
Fix this by adding the missing NULL pointer check.
Fixes: 64c3431808bd ("s390/entry: compare gmap asce to determine guest/host fault")
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
---
arch/s390/kernel/entry.S | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 3dc85638bc63b..6a1e0fbbaa15b 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -340,7 +340,8 @@ SYM_CODE_START(pgm_check_handler)
mvc __PT_LAST_BREAK(8,%r11),__LC_PGM_LAST_BREAK
stctg %c1,%c1,__PT_CR1(%r11)
#if IS_ENABLED(CONFIG_KVM)
- lg %r12,__LC_GMAP
+ ltg %r12,__LC_GMAP
+ jz 5f
clc __GMAP_ASCE(8,%r12), __PT_CR1(%r11)
jne 5f
BPENTER __SF_SIE_FLAGS(%r10),_TIF_ISOLATE_BP_GUEST
--
GitLab
From efefd4f00c967d00ad7abe092554ffbb70c1a793 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Wed, 17 Apr 2024 17:43:01 +0200
Subject: [PATCH 2644/2686] netfilter: nf_tables: missing iterator type in
lookup walk
Add missing decorator type to lookup expression and tighten WARN_ON_ONCE
check in pipapo to spot earlier that this is unset.
Fixes: 29b359cf6d95 ("netfilter: nft_set_pipapo: walk over current view on netlink dump")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nft_lookup.c | 1 +
net/netfilter/nft_set_pipapo.c | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c
index a0055f510e31e..b314ca728a291 100644
--- a/net/netfilter/nft_lookup.c
+++ b/net/netfilter/nft_lookup.c
@@ -216,6 +216,7 @@ static int nft_lookup_validate(const struct nft_ctx *ctx,
return 0;
iter.genmask = nft_genmask_next(ctx->net);
+ iter.type = NFT_ITER_UPDATE;
iter.skip = 0;
iter.count = 0;
iter.err = 0;
diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
index eeaf05ffba953..0f903d18bbea0 100644
--- a/net/netfilter/nft_set_pipapo.c
+++ b/net/netfilter/nft_set_pipapo.c
@@ -2123,7 +2123,8 @@ static void nft_pipapo_walk(const struct nft_ctx *ctx, struct nft_set *set,
const struct nft_pipapo_field *f;
unsigned int i, r;
- WARN_ON_ONCE(iter->type == NFT_ITER_UNSPEC);
+ WARN_ON_ONCE(iter->type != NFT_ITER_READ &&
+ iter->type != NFT_ITER_UPDATE);
rcu_read_lock();
if (iter->type == NFT_ITER_READ)
--
GitLab
From e79b47a8615d42c68aaeb68971593333667382ed Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Wed, 17 Apr 2024 17:43:11 +0200
Subject: [PATCH 2645/2686] netfilter: nf_tables: restore set elements when
delete set fails
From abort path, nft_mapelem_activate() needs to restore refcounters to
the original state. Currently, it uses the set->ops->walk() to iterate
over these set elements. The existing set iterator skips inactive
elements in the next generation, this does not work from the abort path
to restore the original state since it has to skip active elements
instead (not inactive ones).
This patch moves the check for inactive elements to the set iterator
callback, then it reverses the logic for the .activate case which
needs to skip active elements.
Toggle next generation bit for elements when delete set command is
invoked and call nft_clear() from .activate (abort) path to restore the
next generation bit.
The splat below shows an object in mappings memleak:
[43929.457523] ------------[ cut here ]------------
[43929.457532] WARNING: CPU: 0 PID: 1139 at include/net/netfilter/nf_tables.h:1237 nft_setelem_data_deactivate+0xe4/0xf0 [nf_tables]
[...]
[43929.458014] RIP: 0010:nft_setelem_data_deactivate+0xe4/0xf0 [nf_tables]
[43929.458076] Code: 83 f8 01 77 ab 49 8d 7c 24 08 e8 37 5e d0 de 49 8b 6c 24 08 48 8d 7d 50 e8 e9 5c d0 de 8b 45 50 8d 50 ff 89 55 50 85 c0 75 86 <0f> 0b eb 82 0f 0b eb b3 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90
[43929.458081] RSP: 0018:ffff888140f9f4b0 EFLAGS: 00010246
[43929.458086] RAX: 0000000000000000 RBX: ffff8881434f5288 RCX: dffffc0000000000
[43929.458090] RDX: 00000000ffffffff RSI: ffffffffa26d28a7 RDI: ffff88810ecc9550
[43929.458093] RBP: ffff88810ecc9500 R08: 0000000000000001 R09: ffffed10281f3e8f
[43929.458096] R10: 0000000000000003 R11: ffff0000ffff0000 R12: ffff8881434f52a0
[43929.458100] R13: ffff888140f9f5f4 R14: ffff888151c7a800 R15: 0000000000000002
[43929.458103] FS: 00007f0c687c4740(0000) GS:ffff888390800000(0000) knlGS:0000000000000000
[43929.458107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[43929.458111] CR2: 00007f58dbe5b008 CR3: 0000000123602005 CR4: 00000000001706f0
[43929.458114] Call Trace:
[43929.458118] <TASK>
[43929.458121] ? __warn+0x9f/0x1a0
[43929.458127] ? nft_setelem_data_deactivate+0xe4/0xf0 [nf_tables]
[43929.458188] ? report_bug+0x1b1/0x1e0
[43929.458196] ? handle_bug+0x3c/0x70
[43929.458200] ? exc_invalid_op+0x17/0x40
[43929.458211] ? nft_setelem_data_deactivate+0xd7/0xf0 [nf_tables]
[43929.458271] ? nft_setelem_data_deactivate+0xe4/0xf0 [nf_tables]
[43929.458332] nft_mapelem_deactivate+0x24/0x30 [nf_tables]
[43929.458392] nft_rhash_walk+0xdd/0x180 [nf_tables]
[43929.458453] ? __pfx_nft_rhash_walk+0x10/0x10 [nf_tables]
[43929.458512] ? rb_insert_color+0x2e/0x280
[43929.458520] nft_map_deactivate+0xdc/0x1e0 [nf_tables]
[43929.458582] ? __pfx_nft_map_deactivate+0x10/0x10 [nf_tables]
[43929.458642] ? __pfx_nft_mapelem_deactivate+0x10/0x10 [nf_tables]
[43929.458701] ? __rcu_read_unlock+0x46/0x70
[43929.458709] nft_delset+0xff/0x110 [nf_tables]
[43929.458769] nft_flush_table+0x16f/0x460 [nf_tables]
[43929.458830] nf_tables_deltable+0x501/0x580 [nf_tables]
Fixes: 628bd3e49cba ("netfilter: nf_tables: drop map element references from preparation phase")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 44 ++++++++++++++++++++++++++++++----
net/netfilter/nft_set_bitmap.c | 4 +---
net/netfilter/nft_set_hash.c | 8 ++-----
net/netfilter/nft_set_pipapo.c | 5 +---
net/netfilter/nft_set_rbtree.c | 4 +---
5 files changed, 45 insertions(+), 20 deletions(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index a7a34db62ea93..d0c09f899e801 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -594,6 +594,12 @@ static int nft_mapelem_deactivate(const struct nft_ctx *ctx,
const struct nft_set_iter *iter,
struct nft_elem_priv *elem_priv)
{
+ struct nft_set_ext *ext = nft_set_elem_ext(set, elem_priv);
+
+ if (!nft_set_elem_active(ext, iter->genmask))
+ return 0;
+
+ nft_set_elem_change_active(ctx->net, set, ext);
nft_setelem_data_deactivate(ctx->net, set, elem_priv);
return 0;
@@ -617,6 +623,7 @@ static void nft_map_catchall_deactivate(const struct nft_ctx *ctx,
if (!nft_set_elem_active(ext, genmask))
continue;
+ nft_set_elem_change_active(ctx->net, set, ext);
nft_setelem_data_deactivate(ctx->net, set, catchall->elem);
break;
}
@@ -3880,6 +3887,9 @@ int nft_setelem_validate(const struct nft_ctx *ctx, struct nft_set *set,
const struct nft_data *data;
int err;
+ if (!nft_set_elem_active(ext, iter->genmask))
+ return 0;
+
if (nft_set_ext_exists(ext, NFT_SET_EXT_FLAGS) &&
*nft_set_ext_flags(ext) & NFT_SET_ELEM_INTERVAL_END)
return 0;
@@ -3903,17 +3913,20 @@ int nft_setelem_validate(const struct nft_ctx *ctx, struct nft_set *set,
int nft_set_catchall_validate(const struct nft_ctx *ctx, struct nft_set *set)
{
- u8 genmask = nft_genmask_next(ctx->net);
+ struct nft_set_iter dummy_iter = {
+ .genmask = nft_genmask_next(ctx->net),
+ };
struct nft_set_elem_catchall *catchall;
+
struct nft_set_ext *ext;
int ret = 0;
list_for_each_entry_rcu(catchall, &set->catchall_list, list) {
ext = nft_set_elem_ext(set, catchall->elem);
- if (!nft_set_elem_active(ext, genmask))
+ if (!nft_set_elem_active(ext, dummy_iter.genmask))
continue;
- ret = nft_setelem_validate(ctx, set, NULL, catchall->elem);
+ ret = nft_setelem_validate(ctx, set, &dummy_iter, catchall->elem);
if (ret < 0)
return ret;
}
@@ -5402,6 +5415,11 @@ static int nf_tables_bind_check_setelem(const struct nft_ctx *ctx,
const struct nft_set_iter *iter,
struct nft_elem_priv *elem_priv)
{
+ const struct nft_set_ext *ext = nft_set_elem_ext(set, elem_priv);
+
+ if (!nft_set_elem_active(ext, iter->genmask))
+ return 0;
+
return nft_setelem_data_validate(ctx, set, elem_priv);
}
@@ -5494,6 +5512,13 @@ static int nft_mapelem_activate(const struct nft_ctx *ctx,
const struct nft_set_iter *iter,
struct nft_elem_priv *elem_priv)
{
+ struct nft_set_ext *ext = nft_set_elem_ext(set, elem_priv);
+
+ /* called from abort path, reverse check to undo changes. */
+ if (nft_set_elem_active(ext, iter->genmask))
+ return 0;
+
+ nft_clear(ctx->net, ext);
nft_setelem_data_activate(ctx->net, set, elem_priv);
return 0;
@@ -5511,6 +5536,7 @@ static void nft_map_catchall_activate(const struct nft_ctx *ctx,
if (!nft_set_elem_active(ext, genmask))
continue;
+ nft_clear(ctx->net, ext);
nft_setelem_data_activate(ctx->net, set, catchall->elem);
break;
}
@@ -5785,6 +5811,9 @@ static int nf_tables_dump_setelem(const struct nft_ctx *ctx,
const struct nft_set_ext *ext = nft_set_elem_ext(set, elem_priv);
struct nft_set_dump_args *args;
+ if (!nft_set_elem_active(ext, iter->genmask))
+ return 0;
+
if (nft_set_elem_expired(ext) || nft_set_elem_is_dead(ext))
return 0;
@@ -6635,7 +6664,7 @@ static void nft_setelem_activate(struct net *net, struct nft_set *set,
struct nft_set_ext *ext = nft_set_elem_ext(set, elem_priv);
if (nft_setelem_is_catchall(set, elem_priv)) {
- nft_set_elem_change_active(net, set, ext);
+ nft_clear(net, ext);
} else {
set->ops->activate(net, set, elem_priv);
}
@@ -7317,8 +7346,12 @@ static int nft_setelem_flush(const struct nft_ctx *ctx,
const struct nft_set_iter *iter,
struct nft_elem_priv *elem_priv)
{
+ const struct nft_set_ext *ext = nft_set_elem_ext(set, elem_priv);
struct nft_trans *trans;
+ if (!nft_set_elem_active(ext, iter->genmask))
+ return 0;
+
trans = nft_trans_alloc_gfp(ctx, NFT_MSG_DELSETELEM,
sizeof(struct nft_trans_elem), GFP_ATOMIC);
if (!trans)
@@ -10800,6 +10833,9 @@ static int nf_tables_loop_check_setelem(const struct nft_ctx *ctx,
{
const struct nft_set_ext *ext = nft_set_elem_ext(set, elem_priv);
+ if (!nft_set_elem_active(ext, iter->genmask))
+ return 0;
+
if (nft_set_ext_exists(ext, NFT_SET_EXT_FLAGS) &&
*nft_set_ext_flags(ext) & NFT_SET_ELEM_INTERVAL_END)
return 0;
diff --git a/net/netfilter/nft_set_bitmap.c b/net/netfilter/nft_set_bitmap.c
index 32df7a16835da..1caa04619dc6d 100644
--- a/net/netfilter/nft_set_bitmap.c
+++ b/net/netfilter/nft_set_bitmap.c
@@ -172,7 +172,7 @@ static void nft_bitmap_activate(const struct net *net,
nft_bitmap_location(set, nft_set_ext_key(&be->ext), &idx, &off);
/* Enter 11 state. */
priv->bitmap[idx] |= (genmask << off);
- nft_set_elem_change_active(net, set, &be->ext);
+ nft_clear(net, &be->ext);
}
static void nft_bitmap_flush(const struct net *net,
@@ -222,8 +222,6 @@ static void nft_bitmap_walk(const struct nft_ctx *ctx,
list_for_each_entry_rcu(be, &priv->list, head) {
if (iter->count < iter->skip)
goto cont;
- if (!nft_set_elem_active(&be->ext, iter->genmask))
- goto cont;
iter->err = iter->fn(ctx, set, iter, &be->priv);
diff --git a/net/netfilter/nft_set_hash.c b/net/netfilter/nft_set_hash.c
index 6968a3b342367..daa56dda737ae 100644
--- a/net/netfilter/nft_set_hash.c
+++ b/net/netfilter/nft_set_hash.c
@@ -199,7 +199,7 @@ static void nft_rhash_activate(const struct net *net, const struct nft_set *set,
{
struct nft_rhash_elem *he = nft_elem_priv_cast(elem_priv);
- nft_set_elem_change_active(net, set, &he->ext);
+ nft_clear(net, &he->ext);
}
static void nft_rhash_flush(const struct net *net,
@@ -286,8 +286,6 @@ static void nft_rhash_walk(const struct nft_ctx *ctx, struct nft_set *set,
if (iter->count < iter->skip)
goto cont;
- if (!nft_set_elem_active(&he->ext, iter->genmask))
- goto cont;
iter->err = iter->fn(ctx, set, iter, &he->priv);
if (iter->err < 0)
@@ -599,7 +597,7 @@ static void nft_hash_activate(const struct net *net, const struct nft_set *set,
{
struct nft_hash_elem *he = nft_elem_priv_cast(elem_priv);
- nft_set_elem_change_active(net, set, &he->ext);
+ nft_clear(net, &he->ext);
}
static void nft_hash_flush(const struct net *net,
@@ -652,8 +650,6 @@ static void nft_hash_walk(const struct nft_ctx *ctx, struct nft_set *set,
hlist_for_each_entry_rcu(he, &priv->table[i], node) {
if (iter->count < iter->skip)
goto cont;
- if (!nft_set_elem_active(&he->ext, iter->genmask))
- goto cont;
iter->err = iter->fn(ctx, set, iter, &he->priv);
if (iter->err < 0)
diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
index 0f903d18bbea0..187138afac45d 100644
--- a/net/netfilter/nft_set_pipapo.c
+++ b/net/netfilter/nft_set_pipapo.c
@@ -1847,7 +1847,7 @@ static void nft_pipapo_activate(const struct net *net,
{
struct nft_pipapo_elem *e = nft_elem_priv_cast(elem_priv);
- nft_set_elem_change_active(net, set, &e->ext);
+ nft_clear(net, &e->ext);
}
/**
@@ -2149,9 +2149,6 @@ static void nft_pipapo_walk(const struct nft_ctx *ctx, struct nft_set *set,
e = f->mt[r].e;
- if (!nft_set_elem_active(&e->ext, iter->genmask))
- goto cont;
-
iter->err = iter->fn(ctx, set, iter, &e->priv);
if (iter->err < 0)
goto out;
diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c
index 9944fe479e536..b7ea21327549b 100644
--- a/net/netfilter/nft_set_rbtree.c
+++ b/net/netfilter/nft_set_rbtree.c
@@ -532,7 +532,7 @@ static void nft_rbtree_activate(const struct net *net,
{
struct nft_rbtree_elem *rbe = nft_elem_priv_cast(elem_priv);
- nft_set_elem_change_active(net, set, &rbe->ext);
+ nft_clear(net, &rbe->ext);
}
static void nft_rbtree_flush(const struct net *net,
@@ -600,8 +600,6 @@ static void nft_rbtree_walk(const struct nft_ctx *ctx,
if (iter->count < iter->skip)
goto cont;
- if (!nft_set_elem_active(&rbe->ext, iter->genmask))
- goto cont;
iter->err = iter->fn(ctx, set, iter, &rbe->priv);
if (iter->err < 0) {
--
GitLab
From 6fef2d4c00b5b8561ad68dd2b68173f5c6af1e75 Mon Sep 17 00:00:00 2001
From: xinhui pan <xinhui.pan@amd.com>
Date: Thu, 11 Apr 2024 11:11:38 +0800
Subject: [PATCH 2646/2686] drm/amdgpu: validate the parameters of bo mapping
operations more clearly
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Verify the parameters of
amdgpu_vm_bo_(map/replace_map/clearing_mappings) in one common place.
Fixes: dc54d3d1744d ("drm/amdgpu: implement AMDGPU_VA_OP_CLEAR v2")
Cc: stable@vger.kernel.org
Reported-by: Vlad Stolyarov <hexed@google.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 72 ++++++++++++++++----------
1 file changed, 46 insertions(+), 26 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 4299ce386322e..94089069c9ada 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1613,6 +1613,37 @@ static void amdgpu_vm_bo_insert_map(struct amdgpu_device *adev,
trace_amdgpu_vm_bo_map(bo_va, mapping);
}
+/* Validate operation parameters to prevent potential abuse */
+static int amdgpu_vm_verify_parameters(struct amdgpu_device *adev,
+ struct amdgpu_bo *bo,
+ uint64_t saddr,
+ uint64_t offset,
+ uint64_t size)
+{
+ uint64_t tmp, lpfn;
+
+ if (saddr & AMDGPU_GPU_PAGE_MASK
+ || offset & AMDGPU_GPU_PAGE_MASK
+ || size & AMDGPU_GPU_PAGE_MASK)
+ return -EINVAL;
+
+ if (check_add_overflow(saddr, size, &tmp)
+ || check_add_overflow(offset, size, &tmp)
+ || size == 0 /* which also leads to end < begin */)
+ return -EINVAL;
+
+ /* make sure object fit at this offset */
+ if (bo && offset + size > amdgpu_bo_size(bo))
+ return -EINVAL;
+
+ /* Ensure last pfn not exceed max_pfn */
+ lpfn = (saddr + size - 1) >> AMDGPU_GPU_PAGE_SHIFT;
+ if (lpfn >= adev->vm_manager.max_pfn)
+ return -EINVAL;
+
+ return 0;
+}
+
/**
* amdgpu_vm_bo_map - map bo inside a vm
*
@@ -1639,21 +1670,14 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
struct amdgpu_bo *bo = bo_va->base.bo;
struct amdgpu_vm *vm = bo_va->base.vm;
uint64_t eaddr;
+ int r;
- /* validate the parameters */
- if (saddr & ~PAGE_MASK || offset & ~PAGE_MASK || size & ~PAGE_MASK)
- return -EINVAL;
- if (saddr + size <= saddr || offset + size <= offset)
- return -EINVAL;
-
- /* make sure object fit at this offset */
- eaddr = saddr + size - 1;
- if ((bo && offset + size > amdgpu_bo_size(bo)) ||
- (eaddr >= adev->vm_manager.max_pfn << AMDGPU_GPU_PAGE_SHIFT))
- return -EINVAL;
+ r = amdgpu_vm_verify_parameters(adev, bo, saddr, offset, size);
+ if (r)
+ return r;
saddr /= AMDGPU_GPU_PAGE_SIZE;
- eaddr /= AMDGPU_GPU_PAGE_SIZE;
+ eaddr = saddr + (size - 1) / AMDGPU_GPU_PAGE_SIZE;
tmp = amdgpu_vm_it_iter_first(&vm->va, saddr, eaddr);
if (tmp) {
@@ -1706,17 +1730,9 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
uint64_t eaddr;
int r;
- /* validate the parameters */
- if (saddr & ~PAGE_MASK || offset & ~PAGE_MASK || size & ~PAGE_MASK)
- return -EINVAL;
- if (saddr + size <= saddr || offset + size <= offset)
- return -EINVAL;
-
- /* make sure object fit at this offset */
- eaddr = saddr + size - 1;
- if ((bo && offset + size > amdgpu_bo_size(bo)) ||
- (eaddr >= adev->vm_manager.max_pfn << AMDGPU_GPU_PAGE_SHIFT))
- return -EINVAL;
+ r = amdgpu_vm_verify_parameters(adev, bo, saddr, offset, size);
+ if (r)
+ return r;
/* Allocate all the needed memory */
mapping = kmalloc(sizeof(*mapping), GFP_KERNEL);
@@ -1730,7 +1746,7 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
}
saddr /= AMDGPU_GPU_PAGE_SIZE;
- eaddr /= AMDGPU_GPU_PAGE_SIZE;
+ eaddr = saddr + (size - 1) / AMDGPU_GPU_PAGE_SIZE;
mapping->start = saddr;
mapping->last = eaddr;
@@ -1817,10 +1833,14 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev,
struct amdgpu_bo_va_mapping *before, *after, *tmp, *next;
LIST_HEAD(removed);
uint64_t eaddr;
+ int r;
+
+ r = amdgpu_vm_verify_parameters(adev, NULL, saddr, 0, size);
+ if (r)
+ return r;
- eaddr = saddr + size - 1;
saddr /= AMDGPU_GPU_PAGE_SIZE;
- eaddr /= AMDGPU_GPU_PAGE_SIZE;
+ eaddr = saddr + (size - 1) / AMDGPU_GPU_PAGE_SIZE;
/* Allocate all the needed memory */
before = kzalloc(sizeof(*before), GFP_KERNEL);
--
GitLab
From a6ff969fe9cbf369e3cd0ac54261fec1122682ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Thu, 4 Apr 2024 16:25:40 +0200
Subject: [PATCH 2647/2686] drm/amdgpu: fix visible VRAM handling during faults
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
When we removed the hacky start code check we actually didn't took into
account that *all* VRAM pages needs to be CPU accessible.
Clean up the code and unify the handling into a single helper which
checks if the whole resource is CPU accessible.
The only place where a partial check would make sense is during
eviction, but that is neglitible.
Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: aed01a68047b ("drm/amdgpu: Remove TTM resource->start visible VRAM condition v2")
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
CC: stable@vger.kernel.org
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 22 ++++----
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 22 --------
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 61 ++++++++++++++--------
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 3 ++
5 files changed, 53 insertions(+), 57 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 0a4b09709cfb1..ec888fc6ead8d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -819,7 +819,7 @@ static int amdgpu_cs_bo_validate(void *param, struct amdgpu_bo *bo)
p->bytes_moved += ctx.bytes_moved;
if (!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
- amdgpu_bo_in_cpu_visible_vram(bo))
+ amdgpu_res_cpu_visible(adev, bo->tbo.resource))
p->bytes_moved_vis += ctx.bytes_moved;
if (unlikely(r == -ENOMEM) && domain != bo->allowed_domains) {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 010b0cb7693c9..2099159a693fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -617,8 +617,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
return r;
if (!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
- bo->tbo.resource->mem_type == TTM_PL_VRAM &&
- amdgpu_bo_in_cpu_visible_vram(bo))
+ amdgpu_res_cpu_visible(adev, bo->tbo.resource))
amdgpu_cs_report_moved_bytes(adev, ctx.bytes_moved,
ctx.bytes_moved);
else
@@ -1272,23 +1271,25 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, bool evict)
void amdgpu_bo_get_memory(struct amdgpu_bo *bo,
struct amdgpu_mem_stats *stats)
{
+ struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+ struct ttm_resource *res = bo->tbo.resource;
uint64_t size = amdgpu_bo_size(bo);
struct drm_gem_object *obj;
unsigned int domain;
bool shared;
/* Abort if the BO doesn't currently have a backing store */
- if (!bo->tbo.resource)
+ if (!res)
return;
obj = &bo->tbo.base;
shared = drm_gem_object_is_shared_for_memory_stats(obj);
- domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
+ domain = amdgpu_mem_type_to_domain(res->mem_type);
switch (domain) {
case AMDGPU_GEM_DOMAIN_VRAM:
stats->vram += size;
- if (amdgpu_bo_in_cpu_visible_vram(bo))
+ if (amdgpu_res_cpu_visible(adev, bo->tbo.resource))
stats->visible_vram += size;
if (shared)
stats->vram_shared += size;
@@ -1389,10 +1390,7 @@ vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
/* Remember that this BO was accessed by the CPU */
abo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
- if (bo->resource->mem_type != TTM_PL_VRAM)
- return 0;
-
- if (amdgpu_bo_in_cpu_visible_vram(abo))
+ if (amdgpu_res_cpu_visible(adev, bo->resource))
return 0;
/* Can't move a pinned BO to visible VRAM */
@@ -1415,7 +1413,7 @@ vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
/* this should never happen */
if (bo->resource->mem_type == TTM_PL_VRAM &&
- !amdgpu_bo_in_cpu_visible_vram(abo))
+ !amdgpu_res_cpu_visible(adev, bo->resource))
return VM_FAULT_SIGBUS;
ttm_bo_move_to_lru_tail_unlocked(bo);
@@ -1579,6 +1577,7 @@ uint32_t amdgpu_bo_get_preferred_domain(struct amdgpu_device *adev,
*/
u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m)
{
+ struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
struct dma_buf_attachment *attachment;
struct dma_buf *dma_buf;
const char *placement;
@@ -1587,10 +1586,11 @@ u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m)
if (dma_resv_trylock(bo->tbo.base.resv)) {
unsigned int domain;
+
domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
switch (domain) {
case AMDGPU_GEM_DOMAIN_VRAM:
- if (amdgpu_bo_in_cpu_visible_vram(bo))
+ if (amdgpu_res_cpu_visible(adev, bo->tbo.resource))
placement = "VRAM VISIBLE";
else
placement = "VRAM";
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index be679c42b0b8c..fa03d9e4874cc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -250,28 +250,6 @@ static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
}
-/**
- * amdgpu_bo_in_cpu_visible_vram - check if BO is (partly) in visible VRAM
- */
-static inline bool amdgpu_bo_in_cpu_visible_vram(struct amdgpu_bo *bo)
-{
- struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
- struct amdgpu_res_cursor cursor;
-
- if (!bo->tbo.resource || bo->tbo.resource->mem_type != TTM_PL_VRAM)
- return false;
-
- amdgpu_res_first(bo->tbo.resource, 0, amdgpu_bo_size(bo), &cursor);
- while (cursor.remaining) {
- if (cursor.start < adev->gmc.visible_vram_size)
- return true;
-
- amdgpu_res_next(&cursor, cursor.size);
- }
-
- return false;
-}
-
/**
* amdgpu_bo_explicit_sync - return whether the bo is explicitly synced
*/
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 6417cb76ccd44..1d71729e3f6bc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -133,7 +133,7 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
} else if (!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
!(abo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) &&
- amdgpu_bo_in_cpu_visible_vram(abo)) {
+ amdgpu_res_cpu_visible(adev, bo->resource)) {
/* Try evicting to the CPU inaccessible part of VRAM
* first, but only set GTT as busy placement, so this
@@ -403,40 +403,55 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
return r;
}
-/*
- * amdgpu_mem_visible - Check that memory can be accessed by ttm_bo_move_memcpy
+/**
+ * amdgpu_res_cpu_visible - Check that resource can be accessed by CPU
+ * @adev: amdgpu device
+ * @res: the resource to check
*
- * Called by amdgpu_bo_move()
+ * Returns: true if the full resource is CPU visible, false otherwise.
*/
-static bool amdgpu_mem_visible(struct amdgpu_device *adev,
- struct ttm_resource *mem)
+bool amdgpu_res_cpu_visible(struct amdgpu_device *adev,
+ struct ttm_resource *res)
{
- u64 mem_size = (u64)mem->size;
struct amdgpu_res_cursor cursor;
- u64 end;
- if (mem->mem_type == TTM_PL_SYSTEM ||
- mem->mem_type == TTM_PL_TT)
+ if (!res)
+ return false;
+
+ if (res->mem_type == TTM_PL_SYSTEM || res->mem_type == TTM_PL_TT ||
+ res->mem_type == AMDGPU_PL_PREEMPT)
return true;
- if (mem->mem_type != TTM_PL_VRAM)
+
+ if (res->mem_type != TTM_PL_VRAM)
return false;
- amdgpu_res_first(mem, 0, mem_size, &cursor);
- end = cursor.start + cursor.size;
+ amdgpu_res_first(res, 0, res->size, &cursor);
while (cursor.remaining) {
+ if ((cursor.start + cursor.size) >= adev->gmc.visible_vram_size)
+ return false;
amdgpu_res_next(&cursor, cursor.size);
+ }
- if (!cursor.remaining)
- break;
+ return true;
+}
- /* ttm_resource_ioremap only supports contiguous memory */
- if (end != cursor.start)
- return false;
+/*
+ * amdgpu_res_copyable - Check that memory can be accessed by ttm_bo_move_memcpy
+ *
+ * Called by amdgpu_bo_move()
+ */
+static bool amdgpu_res_copyable(struct amdgpu_device *adev,
+ struct ttm_resource *mem)
+{
+ if (!amdgpu_res_cpu_visible(adev, mem))
+ return false;
- end = cursor.start + cursor.size;
- }
+ /* ttm_resource_ioremap only supports contiguous memory */
+ if (mem->mem_type == TTM_PL_VRAM &&
+ !(mem->placement & TTM_PL_FLAG_CONTIGUOUS))
+ return false;
- return end <= adev->gmc.visible_vram_size;
+ return true;
}
/*
@@ -529,8 +544,8 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict,
if (r) {
/* Check that all memory is CPU accessible */
- if (!amdgpu_mem_visible(adev, old_mem) ||
- !amdgpu_mem_visible(adev, new_mem)) {
+ if (!amdgpu_res_copyable(adev, old_mem) ||
+ !amdgpu_res_copyable(adev, new_mem)) {
pr_err("Move buffer fallback to memcpy unavailable\n");
return r;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index 65ec82141a8e0..32cf6b6f6efd9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -139,6 +139,9 @@ int amdgpu_vram_mgr_reserve_range(struct amdgpu_vram_mgr *mgr,
int amdgpu_vram_mgr_query_page_status(struct amdgpu_vram_mgr *mgr,
uint64_t start);
+bool amdgpu_res_cpu_visible(struct amdgpu_device *adev,
+ struct ttm_resource *res);
+
int amdgpu_ttm_init(struct amdgpu_device *adev);
void amdgpu_ttm_fini(struct amdgpu_device *adev);
void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev,
--
GitLab
From 0ba753bc7e79e49556e81b0d09b2de1aa558553b Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Sun, 14 Apr 2024 22:06:08 -0400
Subject: [PATCH 2648/2686] drm/radeon: make -fstrict-flex-arrays=3 happy
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The driver parses a union where the layout up through the first
array is the same, however, the array has different sizes
depending on the elements in the union. Be explicit to
fix the UBSAN checker.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3323
Fixes: df8fc4e934c1 ("kbuild: Enable -fstrict-flex-arrays=3")
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Kees Cook <keescook@chromium.org>
---
drivers/gpu/drm/radeon/radeon_atombios.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index bb1f0a3371ab5..10793a433bf58 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -923,8 +923,12 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
max_device = ATOM_MAX_SUPPORTED_DEVICE_INFO;
for (i = 0; i < max_device; i++) {
- ATOM_CONNECTOR_INFO_I2C ci =
- supported_devices->info.asConnInfo[i];
+ ATOM_CONNECTOR_INFO_I2C ci;
+
+ if (frev > 1)
+ ci = supported_devices->info_2d1.asConnInfo[i];
+ else
+ ci = supported_devices->info.asConnInfo[i];
bios_connectors[i].valid = false;
--
GitLab
From 781d41fed19caf900c8405064676813dc9921d32 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 8 Apr 2024 13:30:15 -0400
Subject: [PATCH 2649/2686] drm/radeon: silence UBSAN warning (v3)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Convert a variable sized array from [1] to [].
v2: fix up a few more.
v3: integrate comments from Kees.
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Jeff Johnson <quic_jjohnson@quicinc.com> (v2)
Acked-by: Christian König <christian.koenig@amd.com> (v1)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: keescook@chromium.org
---
drivers/gpu/drm/radeon/pptable.h | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/radeon/pptable.h b/drivers/gpu/drm/radeon/pptable.h
index 94947229888ba..b7f22597ee95e 100644
--- a/drivers/gpu/drm/radeon/pptable.h
+++ b/drivers/gpu/drm/radeon/pptable.h
@@ -424,7 +424,7 @@ typedef struct _ATOM_PPLIB_SUMO_CLOCK_INFO{
typedef struct _ATOM_PPLIB_STATE_V2
{
//number of valid dpm levels in this state; Driver uses it to calculate the whole
- //size of the state: sizeof(ATOM_PPLIB_STATE_V2) + (ucNumDPMLevels - 1) * sizeof(UCHAR)
+ //size of the state: struct_size(ATOM_PPLIB_STATE_V2, clockInfoIndex, ucNumDPMLevels)
UCHAR ucNumDPMLevels;
//a index to the array of nonClockInfos
@@ -432,14 +432,14 @@ typedef struct _ATOM_PPLIB_STATE_V2
/**
* Driver will read the first ucNumDPMLevels in this array
*/
- UCHAR clockInfoIndex[1];
+ UCHAR clockInfoIndex[] __counted_by(ucNumDPMLevels);
} ATOM_PPLIB_STATE_V2;
typedef struct _StateArray{
//how many states we have
UCHAR ucNumEntries;
- ATOM_PPLIB_STATE_V2 states[1];
+ ATOM_PPLIB_STATE_V2 states[] __counted_by(ucNumEntries);
}StateArray;
@@ -450,7 +450,7 @@ typedef struct _ClockInfoArray{
//sizeof(ATOM_PPLIB_CLOCK_INFO)
UCHAR ucEntrySize;
- UCHAR clockInfo[1];
+ UCHAR clockInfo[] __counted_by(ucNumEntries);
}ClockInfoArray;
typedef struct _NonClockInfoArray{
@@ -460,7 +460,7 @@ typedef struct _NonClockInfoArray{
//sizeof(ATOM_PPLIB_NONCLOCK_INFO)
UCHAR ucEntrySize;
- ATOM_PPLIB_NONCLOCK_INFO nonClockInfo[1];
+ ATOM_PPLIB_NONCLOCK_INFO nonClockInfo[] __counted_by(ucNumEntries);
}NonClockInfoArray;
typedef struct _ATOM_PPLIB_Clock_Voltage_Dependency_Record
--
GitLab
From 6376306adde5b252ee7c73572e35d13fb13f6f18 Mon Sep 17 00:00:00 2001
From: "Borislav Petkov (AMD)" <bp@alien8.de>
Date: Mon, 15 Apr 2024 18:15:43 +0200
Subject: [PATCH 2650/2686] x86/retpolines: Enable the default thunk warning
only on relevant configs
The using-default-thunk warning check makes sense only with
configurations which actually enable the special return thunks.
Otherwise, it fires on unrelated 32-bit configs on which the special
return thunks won't even work (they're 64-bit only) and, what is more,
those configs even go off into the weeds when booting in the
alternatives patching code, leading to a dead machine.
Fixes: 4461438a8405 ("x86/retpoline: Ensure default return thunk isn't used at runtime")
Reported-by: Klara Modin <klarasmodin@gmail.com>
Reported-by: Erhard Furtner <erhard_f@mailbox.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Klara Modin <klarasmodin@gmail.com>
Link: https://lore.kernel.org/r/78e0d19c-b77a-4169-a80f-2eef91f4a1d6@gmail.com
Link: https://lore.kernel.org/r/20240413024956.488d474e@yea
---
arch/x86/lib/retpoline.S | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S
index e674ccf720b9f..391059b2c6fbc 100644
--- a/arch/x86/lib/retpoline.S
+++ b/arch/x86/lib/retpoline.S
@@ -382,8 +382,15 @@ SYM_FUNC_END(call_depth_return_thunk)
SYM_CODE_START(__x86_return_thunk)
UNWIND_HINT_FUNC
ANNOTATE_NOENDBR
+#if defined(CONFIG_MITIGATION_UNRET_ENTRY) || \
+ defined(CONFIG_MITIGATION_SRSO) || \
+ defined(CONFIG_MITIGATION_CALL_DEPTH_TRACKING)
ALTERNATIVE __stringify(ANNOTATE_UNRET_SAFE; ret), \
"jmp warn_thunk_thunk", X86_FEATURE_ALWAYS
+#else
+ ANNOTATE_UNRET_SAFE
+ ret
+#endif
int3
SYM_CODE_END(__x86_return_thunk)
EXPORT_SYMBOL(__x86_return_thunk)
--
GitLab
From 298b871cd55a607037ac8af0011b9fdeb54c1e65 Mon Sep 17 00:00:00 2001
From: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Date: Tue, 16 Apr 2024 06:44:04 +0900
Subject: [PATCH 2651/2686] bootconfig: Fix the kerneldoc of _xbc_exit()
Fix the kerneldoc of _xbc_exit() which is updated to have an @early
argument and the function name is changed.
Link: https://lore.kernel.org/all/171321744474.599864.13532445969528690358.stgit@devnote2/
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202404150036.kPJ3HEFA-lkp@intel.com/
Fixes: 89f9a1e876b5 ("bootconfig: use memblock_free_late to free xbc memory to buddy")
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---
lib/bootconfig.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/bootconfig.c b/lib/bootconfig.c
index 8841554432d5b..97f8911ea339e 100644
--- a/lib/bootconfig.c
+++ b/lib/bootconfig.c
@@ -901,7 +901,8 @@ static int __init xbc_parse_tree(void)
}
/**
- * xbc_exit() - Clean up all parsed bootconfig
+ * _xbc_exit() - Clean up all parsed bootconfig
+ * @early: Set true if this is called before budy system is initialized.
*
* This clears all data structures of parsed bootconfig on memory.
* If you need to reuse xbc_init() with new boot config, you can
--
GitLab
From 69ffed4b62523bbc85511f150500329d28aba356 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Wed, 17 Apr 2024 17:19:13 +0300
Subject: [PATCH 2652/2686] gpiolib: swnode: Remove wrong header inclusion
The flags in the software node properties are supposed to be
the GPIO lookup flags, which are provided by gpio/machine.h,
as the software nodes are the kernel internal thing and doesn't
need to rely to any of ABIs.
Fixes: e7f9ff5dc90c ("gpiolib: add support for software nodes")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
include/linux/gpio/property.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/include/linux/gpio/property.h b/include/linux/gpio/property.h
index 6c75c8bd44a0b..1a14e239221f7 100644
--- a/include/linux/gpio/property.h
+++ b/include/linux/gpio/property.h
@@ -2,7 +2,6 @@
#ifndef __LINUX_GPIO_PROPERTY_H
#define __LINUX_GPIO_PROPERTY_H
-#include <dt-bindings/gpio/gpio.h> /* for GPIO_* flags */
#include <linux/property.h>
#define PROPERTY_ENTRY_GPIO(_name_, _chip_node_, _idx_, _flags_) \
--
GitLab
From 86a1471d7cde792941109b93b558b5dc078b9ee9 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Wed, 17 Apr 2024 17:43:21 +0200
Subject: [PATCH 2653/2686] netfilter: nf_tables: fix memleak in map from abort
path
The delete set command does not rely on the transaction object for
element removal, therefore, a combination of delete element + delete set
from the abort path could result in restoring twice the refcount of the
mapping.
Check for inactive element in the next generation for the delete element
command in the abort path, skip restoring state if next generation bit
has been already cleared. This is similar to the activate logic using
the set walk iterator.
[ 6170.286929] ------------[ cut here ]------------
[ 6170.286939] WARNING: CPU: 6 PID: 790302 at net/netfilter/nf_tables_api.c:2086 nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]
[ 6170.287071] Modules linked in: [...]
[ 6170.287633] CPU: 6 PID: 790302 Comm: kworker/6:2 Not tainted 6.9.0-rc3+ #365
[ 6170.287768] RIP: 0010:nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]
[ 6170.287886] Code: df 48 8d 7d 58 e8 69 2e 3b df 48 8b 7d 58 e8 80 1b 37 df 48 8d 7d 68 e8 57 2e 3b df 48 8b 7d 68 e8 6e 1b 37 df 48 89 ef eb c4 <0f> 0b 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 0f
[ 6170.287895] RSP: 0018:ffff888134b8fd08 EFLAGS: 00010202
[ 6170.287904] RAX: 0000000000000001 RBX: ffff888125bffb28 RCX: dffffc0000000000
[ 6170.287912] RDX: 0000000000000003 RSI: ffffffffa20298ab RDI: ffff88811ebe4750
[ 6170.287919] RBP: ffff88811ebe4700 R08: ffff88838e812650 R09: fffffbfff0623a55
[ 6170.287926] R10: ffffffff8311d2af R11: 0000000000000001 R12: ffff888125bffb10
[ 6170.287933] R13: ffff888125bffb10 R14: dead000000000122 R15: dead000000000100
[ 6170.287940] FS: 0000000000000000(0000) GS:ffff888390b00000(0000) knlGS:0000000000000000
[ 6170.287948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6170.287955] CR2: 00007fd31fc00710 CR3: 0000000133f60004 CR4: 00000000001706f0
[ 6170.287962] Call Trace:
[ 6170.287967] <TASK>
[ 6170.287973] ? __warn+0x9f/0x1a0
[ 6170.287986] ? nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]
[ 6170.288092] ? report_bug+0x1b1/0x1e0
[ 6170.287986] ? nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]
[ 6170.288092] ? report_bug+0x1b1/0x1e0
[ 6170.288104] ? handle_bug+0x3c/0x70
[ 6170.288112] ? exc_invalid_op+0x17/0x40
[ 6170.288120] ? asm_exc_invalid_op+0x1a/0x20
[ 6170.288132] ? nf_tables_chain_destroy+0x2b/0x220 [nf_tables]
[ 6170.288243] ? nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]
[ 6170.288366] ? nf_tables_chain_destroy+0x2b/0x220 [nf_tables]
[ 6170.288483] nf_tables_trans_destroy_work+0x588/0x590 [nf_tables]
Fixes: 591054469b3e ("netfilter: nf_tables: revisit chain/object refcounting from elements")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index d0c09f899e801..167074283ea91 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -7223,6 +7223,16 @@ void nft_data_hold(const struct nft_data *data, enum nft_data_types type)
}
}
+static int nft_setelem_active_next(const struct net *net,
+ const struct nft_set *set,
+ struct nft_elem_priv *elem_priv)
+{
+ const struct nft_set_ext *ext = nft_set_elem_ext(set, elem_priv);
+ u8 genmask = nft_genmask_next(net);
+
+ return nft_set_elem_active(ext, genmask);
+}
+
static void nft_setelem_data_activate(const struct net *net,
const struct nft_set *set,
struct nft_elem_priv *elem_priv)
@@ -10644,8 +10654,10 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
case NFT_MSG_DESTROYSETELEM:
te = (struct nft_trans_elem *)trans->data;
- nft_setelem_data_activate(net, te->set, te->elem_priv);
- nft_setelem_activate(net, te->set, te->elem_priv);
+ if (!nft_setelem_active_next(net, te->set, te->elem_priv)) {
+ nft_setelem_data_activate(net, te->set, te->elem_priv);
+ nft_setelem_activate(net, te->set, te->elem_priv);
+ }
if (!nft_setelem_is_catchall(te->set, te->elem_priv))
te->set->ndeact--;
--
GitLab
From 0f022d32c3eca477fbf79a205243a6123ed0fe11 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Mon, 15 Apr 2024 18:07:28 -0300
Subject: [PATCH 2654/2686] net/sched: Fix mirred deadlock on device recursion
When the mirred action is used on a classful egress qdisc and a packet is
mirrored or redirected to self we hit a qdisc lock deadlock.
See trace below.
[..... other info removed for brevity....]
[ 82.890906]
[ 82.890906] ============================================
[ 82.890906] WARNING: possible recursive locking detected
[ 82.890906] 6.8.0-05205-g77fadd89fe2d-dirty #213 Tainted: G W
[ 82.890906] --------------------------------------------
[ 82.890906] ping/418 is trying to acquire lock:
[ 82.890906] ffff888006994110 (&sch->q.lock){+.-.}-{3:3}, at:
__dev_queue_xmit+0x1778/0x3550
[ 82.890906]
[ 82.890906] but task is already holding lock:
[ 82.890906] ffff888006994110 (&sch->q.lock){+.-.}-{3:3}, at:
__dev_queue_xmit+0x1778/0x3550
[ 82.890906]
[ 82.890906] other info that might help us debug this:
[ 82.890906] Possible unsafe locking scenario:
[ 82.890906]
[ 82.890906] CPU0
[ 82.890906] ----
[ 82.890906] lock(&sch->q.lock);
[ 82.890906] lock(&sch->q.lock);
[ 82.890906]
[ 82.890906] *** DEADLOCK ***
[ 82.890906]
[..... other info removed for brevity....]
Example setup (eth0->eth0) to recreate
tc qdisc add dev eth0 root handle 1: htb default 30
tc filter add dev eth0 handle 1: protocol ip prio 2 matchall \
action mirred egress redirect dev eth0
Another example(eth0->eth1->eth0) to recreate
tc qdisc add dev eth0 root handle 1: htb default 30
tc filter add dev eth0 handle 1: protocol ip prio 2 matchall \
action mirred egress redirect dev eth1
tc qdisc add dev eth1 root handle 1: htb default 30
tc filter add dev eth1 handle 1: protocol ip prio 2 matchall \
action mirred egress redirect dev eth0
We fix this by adding an owner field (CPU id) to struct Qdisc set after
root qdisc is entered. When the softirq enters it a second time, if the
qdisc owner is the same CPU, the packet is dropped to break the loop.
Reported-by: Mingshuai Ren <renmingshuai@huawei.com>
Closes: https://lore.kernel.org/netdev/20240314111713.5979-1-renmingshuai@huawei.com/
Fixes: 3bcb846ca4cf ("net: get rid of spin_trylock() in net_tx_action()")
Fixes: e578d9c02587 ("net: sched: use counter to break reclassify loops")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Reviewed-by: Pedro Tammela <pctammela@mojatatu.com>
Tested-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://lore.kernel.org/r/20240415210728.36949-1-victor@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
include/net/sch_generic.h | 1 +
net/core/dev.c | 6 ++++++
net/sched/sch_generic.c | 1 +
3 files changed, 8 insertions(+)
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index cefe0c4bdae34..41ca14e81d55f 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -117,6 +117,7 @@ struct Qdisc {
struct qdisc_skb_head q;
struct gnet_stats_basic_sync bstats;
struct gnet_stats_queue qstats;
+ int owner;
unsigned long state;
unsigned long state2; /* must be written under qdisc spinlock */
struct Qdisc *next_sched;
diff --git a/net/core/dev.c b/net/core/dev.c
index 984ff8b9d0e1a..331848eca7d31 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3775,6 +3775,10 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q,
return rc;
}
+ if (unlikely(READ_ONCE(q->owner) == smp_processor_id())) {
+ kfree_skb_reason(skb, SKB_DROP_REASON_TC_RECLASSIFY_LOOP);
+ return NET_XMIT_DROP;
+ }
/*
* Heuristic to force contended enqueues to serialize on a
* separate lock before trying to get qdisc main lock.
@@ -3814,7 +3818,9 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q,
qdisc_run_end(q);
rc = NET_XMIT_SUCCESS;
} else {
+ WRITE_ONCE(q->owner, smp_processor_id());
rc = dev_qdisc_enqueue(skb, q, &to_free, txq);
+ WRITE_ONCE(q->owner, -1);
if (qdisc_run_begin(q)) {
if (unlikely(contended)) {
spin_unlock(&q->busylock);
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index ff53364937775..4a2c763e2d116 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -974,6 +974,7 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
sch->enqueue = ops->enqueue;
sch->dequeue = ops->dequeue;
sch->dev_queue = dev_queue;
+ sch->owner = -1;
netdev_hold(dev, &sch->dev_tracker, GFP_KERNEL);
refcount_set(&sch->refcnt, 1);
--
GitLab
From caed8eba221533123192d39cc947f45cbb1e1db5 Mon Sep 17 00:00:00 2001
From: Jakub Kicinski <kuba@kernel.org>
Date: Tue, 16 Apr 2024 08:10:48 -0700
Subject: [PATCH 2655/2686] selftests: kselftest_harness: fix Clang warning
about zero-length format
Apparently it's more legal to pass the format as NULL, than
it is to use an empty string. Clang complains about empty
formats:
./../kselftest_harness.h:1207:30: warning: format string is empty
[-Wformat-zero-length]
1207 | diagnostic ? "%s" : "", diagnostic);
| ^~
1 warning generated.
Reported-by: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/all/20240409224256.1581292-1-seanjc@google.com
Fixes: 378193eff339 ("selftests: kselftest_harness: let PASS / FAIL provide diagnostic")
Tested-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20240416151048.1682352-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
tools/testing/selftests/kselftest.h | 10 ++++++----
tools/testing/selftests/kselftest_harness.h | 2 +-
2 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
index 541bf192e30e6..4eca3fd1292cf 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -288,15 +288,17 @@ void ksft_test_result_code(int exit_code, const char *test_name,
}
/* Docs seem to call for double space if directive is absent */
- if (!directive[0] && msg[0])
+ if (!directive[0] && msg)
directive = " # ";
- va_start(args, msg);
printf("%s %u %s%s", tap_code, ksft_test_num(), test_name, directive);
errno = saved_errno;
- vprintf(msg, args);
+ if (msg) {
+ va_start(args, msg);
+ vprintf(msg, args);
+ va_end(args);
+ }
printf("\n");
- va_end(args);
}
static inline int ksft_exit_pass(void)
diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index 4fd735e48ee7e..adb15cae79abc 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -1202,7 +1202,7 @@ void __run_test(struct __fixture_metadata *f,
diagnostic = "unknown";
ksft_test_result_code(t->exit_code, test_name,
- diagnostic ? "%s" : "", diagnostic);
+ diagnostic ? "%s" : NULL, diagnostic);
}
static int test_harness_run(int argc, char **argv)
--
GitLab
From d362046021ea122309da8c8e0b6850c792ca97b5 Mon Sep 17 00:00:00 2001
From: Vanillan Wang <vanillanwang@163.com>
Date: Tue, 16 Apr 2024 20:07:13 +0800
Subject: [PATCH 2656/2686] net:usb:qmi_wwan: support Rolling modules
Update the qmi_wwan driver support for the Rolling
LTE modules.
- VID:PID 33f8:0104, RW101-GL for laptop debug M.2 cards(with RMNET
interface for /Linux/Chrome OS)
0x0104: RMNET, diag, at, pipe
Here are the outputs of usb-devices:
T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=5000 MxCh= 0
D: Ver= 3.20 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
P: Vendor=33f8 ProdID=0104 Rev=05.04
S: Manufacturer=Rolling Wireless S.a.r.l.
S: Product=Rolling Module
S: SerialNumber=ba2eb033
C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=896mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=40 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan
E: Ad=0f(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=88(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
E: Ad=8e(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=usbfs
E: Ad=05(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=89(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
Signed-off-by: Vanillan Wang <vanillanwang@163.com>
Link: https://lore.kernel.org/r/20240416120713.24777-1-vanillanwang@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/usb/qmi_wwan.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index e2e181378f412..edc34402e787f 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1431,6 +1431,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x2692, 0x9025, 4)}, /* Cellient MPL200 (rebranded Qualcomm 05c6:9025) */
{QMI_QUIRK_SET_DTR(0x1546, 0x1312, 4)}, /* u-blox LARA-R6 01B */
{QMI_QUIRK_SET_DTR(0x1546, 0x1342, 4)}, /* u-blox LARA-L6 */
+ {QMI_QUIRK_SET_DTR(0x33f8, 0x0104, 4)}, /* Rolling RW101 RMNET */
/* 4. Gobi 1000 devices */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
--
GitLab
From 94667949ec3bbb2218c46ad0a0e7274c8832e494 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Tue, 16 Apr 2024 10:23:29 +0200
Subject: [PATCH 2657/2686] net: ethernet: mtk_eth_soc: fix WED + wifi reset
The WLAN + WED reset sequence relies on being able to receive interrupts from
the card, in order to synchronize individual steps with the firmware.
When WED is stopped, leave interrupts running and rely on the driver turning
off unwanted ones.
WED DMA also needs to be disabled before resetting.
Fixes: f78cd9c783e0 ("net: ethernet: mtk_wed: update mtk_wed_stop")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20240416082330.82564-1-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mediatek/mtk_wed.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c
index c895e265ae0eb..61334a71058c7 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
@@ -1074,13 +1074,13 @@ mtk_wed_dma_disable(struct mtk_wed_device *dev)
static void
mtk_wed_stop(struct mtk_wed_device *dev)
{
+ mtk_wed_dma_disable(dev);
mtk_wed_set_ext_int(dev, false);
wed_w32(dev, MTK_WED_WPDMA_INT_TRIGGER, 0);
wed_w32(dev, MTK_WED_WDMA_INT_TRIGGER, 0);
wdma_w32(dev, MTK_WDMA_INT_MASK, 0);
wdma_w32(dev, MTK_WDMA_INT_GRP2, 0);
- wed_w32(dev, MTK_WED_WPDMA_INT_MASK, 0);
if (!mtk_wed_get_rx_capa(dev))
return;
@@ -1093,7 +1093,6 @@ static void
mtk_wed_deinit(struct mtk_wed_device *dev)
{
mtk_wed_stop(dev);
- mtk_wed_dma_disable(dev);
wed_clr(dev, MTK_WED_CTRL,
MTK_WED_CTRL_WDMA_INT_AGENT_EN |
@@ -2605,9 +2604,6 @@ mtk_wed_irq_get(struct mtk_wed_device *dev, u32 mask)
static void
mtk_wed_irq_set_mask(struct mtk_wed_device *dev, u32 mask)
{
- if (!dev->running)
- return;
-
mtk_wed_set_ext_int(dev, !!mask);
wed_w32(dev, MTK_WED_INT_MASK, mask);
}
--
GitLab
From f74ab0c5e5947bcb3a400ab73d837974e76fad23 Mon Sep 17 00:00:00 2001
From: Shenghao Ding <shenghao-ding@ti.com>
Date: Thu, 11 Apr 2024 17:18:22 +0800
Subject: [PATCH 2658/2686] ALSA: hda/tas2781: Add new vendor_id and
subsystem_id to support ThinkPad ICE-1
Add new vendor_id and subsystem_id to support new Lenovo laptop
ThinkPad ICE-1
Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
Cc: <stable@vger.kernel.org>
Message-ID: <20240411091823.1644-1-shenghao-ding@ti.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/patch_realtek.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index d6940bc4ec393..d4c2c3d6c76c6 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10335,6 +10335,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x222e, "Thinkpad", ALC298_FIXUP_TPT470_DOCK),
SND_PCI_QUIRK(0x17aa, 0x2231, "Thinkpad T560", ALC292_FIXUP_TPT460),
SND_PCI_QUIRK(0x17aa, 0x2233, "Thinkpad", ALC292_FIXUP_TPT460),
+ SND_PCI_QUIRK(0x17aa, 0x2234, "Thinkpad ICE-1", ALC287_FIXUP_TAS2781_I2C),
SND_PCI_QUIRK(0x17aa, 0x2245, "Thinkpad T470", ALC298_FIXUP_TPT470_DOCK),
SND_PCI_QUIRK(0x17aa, 0x2246, "Thinkpad", ALC298_FIXUP_TPT470_DOCK),
SND_PCI_QUIRK(0x17aa, 0x2247, "Thinkpad", ALC298_FIXUP_TPT470_DOCK),
--
GitLab
From 0672b017324b1444f12d008a3ba8bc0c6c9384fa Mon Sep 17 00:00:00 2001
From: Vitalii Torshyn <vitaly.torshyn@gmail.com>
Date: Thu, 11 Apr 2024 15:58:03 +0300
Subject: [PATCH 2659/2686] ALSA: hda/realtek: Fixes for Asus GU605M and GA403U
sound
Added the correct pin table for Asus GU605M and GA403U, enabling all
speakers to be controlled with the master.
Updated quirks for GU605M and GA403U by including the pin table patch
in the chain.
Co-developed-by: Luke D. Jones <luke@ljones.dev>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Signed-off-by: Vitalii Torshyn <vitaly.torshyn@gmail.com>
Message-ID: <20240411125803.18539-1-vitaly.torshyn@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/patch_realtek.c | 40 +++++++++++++++++++++++++++++++++--
1 file changed, 38 insertions(+), 2 deletions(-)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index d4c2c3d6c76c6..4cf05a5c3aba8 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -7467,6 +7467,10 @@ enum {
ALC285_FIXUP_CS35L56_I2C_2,
ALC285_FIXUP_CS35L56_I2C_4,
ALC285_FIXUP_ASUS_GA403U,
+ ALC285_FIXUP_ASUS_GA403U_HEADSET_MIC,
+ ALC285_FIXUP_ASUS_GA403U_I2C_SPEAKER2_TO_DAC1,
+ ALC285_FIXUP_ASUS_GU605_SPI_2_HEADSET_MIC,
+ ALC285_FIXUP_ASUS_GU605_SPI_SPEAKER2_TO_DAC1
};
/* A special fixup for Lenovo C940 and Yoga Duet 7;
@@ -9690,6 +9694,38 @@ static const struct hda_fixup alc269_fixups[] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc285_fixup_asus_ga403u,
},
+ [ALC285_FIXUP_ASUS_GA403U_HEADSET_MIC] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x19, 0x03a11050 },
+ { 0x1b, 0x03a11c30 },
+ { }
+ },
+ .chained = true,
+ .chain_id = ALC285_FIXUP_ASUS_GA403U_I2C_SPEAKER2_TO_DAC1
+ },
+ [ALC285_FIXUP_ASUS_GU605_SPI_SPEAKER2_TO_DAC1] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc285_fixup_speaker2_to_dac1,
+ .chained = true,
+ .chain_id = ALC285_FIXUP_ASUS_GU605_SPI_2_HEADSET_MIC,
+ },
+ [ALC285_FIXUP_ASUS_GU605_SPI_2_HEADSET_MIC] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x19, 0x03a11050 },
+ { 0x1b, 0x03a11c30 },
+ { }
+ },
+ .chained = true,
+ .chain_id = ALC285_FIXUP_CS35L56_SPI_2
+ },
+ [ALC285_FIXUP_ASUS_GA403U_I2C_SPEAKER2_TO_DAC1] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc285_fixup_speaker2_to_dac1,
+ .chained = true,
+ .chain_id = ALC285_FIXUP_ASUS_GA403U,
+ },
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -10145,7 +10181,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1043, 0x1a83, "ASUS UM5302LA", ALC294_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x1043, 0x1a8f, "ASUS UX582ZS", ALC245_FIXUP_CS35L41_SPI_2),
SND_PCI_QUIRK(0x1043, 0x1b11, "ASUS UX431DA", ALC294_FIXUP_ASUS_COEF_1B),
- SND_PCI_QUIRK(0x1043, 0x1b13, "ASUS U41SV/GA403U", ALC285_FIXUP_ASUS_GA403U),
+ SND_PCI_QUIRK(0x1043, 0x1b13, "ASUS U41SV/GA403U", ALC285_FIXUP_ASUS_GA403U_HEADSET_MIC),
SND_PCI_QUIRK(0x1043, 0x1b93, "ASUS G614JVR/JIR", ALC245_FIXUP_CS35L41_SPI_2),
SND_PCI_QUIRK(0x1043, 0x1bbd, "ASUS Z550MA", ALC255_FIXUP_ASUS_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1043, 0x1c03, "ASUS UM3406HA", ALC287_FIXUP_CS35L41_I2C_2),
@@ -10153,7 +10189,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1043, 0x1c33, "ASUS UX5304MA", ALC245_FIXUP_CS35L41_SPI_2),
SND_PCI_QUIRK(0x1043, 0x1c43, "ASUS UX8406MA", ALC245_FIXUP_CS35L41_SPI_2),
SND_PCI_QUIRK(0x1043, 0x1c62, "ASUS GU603", ALC289_FIXUP_ASUS_GA401),
- SND_PCI_QUIRK(0x1043, 0x1c63, "ASUS GU605M", ALC285_FIXUP_CS35L56_SPI_2),
+ SND_PCI_QUIRK(0x1043, 0x1c63, "ASUS GU605M", ALC285_FIXUP_ASUS_GU605_SPI_SPEAKER2_TO_DAC1),
SND_PCI_QUIRK(0x1043, 0x1c92, "ASUS ROG Strix G15", ALC285_FIXUP_ASUS_G533Z_PINS),
SND_PCI_QUIRK(0x1043, 0x1c9f, "ASUS G614JU/JV/JI", ALC285_FIXUP_ASUS_HEADSET_MIC),
SND_PCI_QUIRK(0x1043, 0x1caf, "ASUS G634JY/JZ/JI/JG", ALC285_FIXUP_ASUS_SPI_REAR_SPEAKERS),
--
GitLab
From dca5f4dfa925b51becee65031869e917e6229620 Mon Sep 17 00:00:00 2001
From: Huayu Zhang <zhanghuayu1233@qq.com>
Date: Sat, 13 Apr 2024 19:41:22 +0800
Subject: [PATCH 2660/2686] ALSA: hda/realtek: Fix volumn control of ThinkBook
16P Gen4
change HDA & AMP configuration from ALC287_FIXUP_CS35L41_I2C_2 to
ALC287_FIXUP_MG_RTKC_CSAMP_CS35L41_I2C_THINKPAD for ThinkBook 16P Gen4
models to fix volumn control issue (cannot fully mute).
Signed-off-by: Huayu Zhang <zhanghuayu1233@qq.com>
Fixes: 6214e24cae9b ("ALSA: hda/realtek: Add quirks for Lenovo Thinkbook 16P laptops")
Message-ID: <tencent_37EB880C5E5BD99D21C16B288115C4545F06@qq.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/patch_realtek.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 4cf05a5c3aba8..afe1238ca51ba 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10433,8 +10433,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x3886, "Y780 VECO DUAL", ALC287_FIXUP_TAS2781_I2C),
SND_PCI_QUIRK(0x17aa, 0x38a7, "Y780P AMD YG dual", ALC287_FIXUP_TAS2781_I2C),
SND_PCI_QUIRK(0x17aa, 0x38a8, "Y780P AMD VECO dual", ALC287_FIXUP_TAS2781_I2C),
- SND_PCI_QUIRK(0x17aa, 0x38a9, "Thinkbook 16P", ALC287_FIXUP_CS35L41_I2C_2),
- SND_PCI_QUIRK(0x17aa, 0x38ab, "Thinkbook 16P", ALC287_FIXUP_CS35L41_I2C_2),
+ SND_PCI_QUIRK(0x17aa, 0x38a9, "Thinkbook 16P", ALC287_FIXUP_MG_RTKC_CSAMP_CS35L41_I2C_THINKPAD),
+ SND_PCI_QUIRK(0x17aa, 0x38ab, "Thinkbook 16P", ALC287_FIXUP_MG_RTKC_CSAMP_CS35L41_I2C_THINKPAD),
SND_PCI_QUIRK(0x17aa, 0x38b4, "Legion Slim 7 16IRH8", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x17aa, 0x38b5, "Legion Slim 7 16IRH8", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x17aa, 0x38b6, "Legion Slim 7 16APH8", ALC287_FIXUP_CS35L41_I2C_2),
--
GitLab
From cf16ffa17c398434a77b8a373e69287c95b60de2 Mon Sep 17 00:00:00 2001
From: Coia Prant <coiaprant@gmail.com>
Date: Mon, 15 Apr 2024 07:26:25 -0700
Subject: [PATCH 2661/2686] USB: serial: option: add Lonsung U8300/U9300
product
Update the USB serial option driver to support Longsung U8300/U9300.
For U8300
Interface 4 is used by for QMI interface in stock firmware of U8300, the
router which uses U8300 modem.
Interface 5 is used by for ADB interface in stock firmware of U8300, the
router which uses U8300 modem.
Interface mapping is:
0: unknown (Debug), 1: AT (Modem), 2: AT, 3: PPP (NDIS / Pipe), 4: QMI, 5: ADB
T: Bus=05 Lev=01 Prnt=03 Port=02 Cnt=01 Dev#= 4 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1c9e ProdID=9b05 Rev=03.18
S: Manufacturer=Android
S: Product=Android
C: #Ifs= 6 Cfg#= 1 Atr=80 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=89(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=8a(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
For U9300
Interface 1 is used by for ADB interface in stock firmware of U9300, the
router which uses U9300 modem.
Interface 4 is used by for QMI interface in stock firmware of U9300, the
router which uses U9300 modem.
Interface mapping is:
0: ADB, 1: AT (Modem), 2: AT, 3: PPP (NDIS / Pipe), 4: QMI
Note: Interface 3 of some models of the U9300 series can send AT commands.
T: Bus=05 Lev=01 Prnt=05 Port=04 Cnt=01 Dev#= 6 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1c9e ProdID=9b3c Rev=03.18
S: Manufacturer=Android
S: Product=Android
C: #Ifs= 5 Cfg#= 1 Atr=80 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=89(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
Tested successfully using Modem Manager on U9300.
Tested successfully AT commands using If=1, If=2 and If=3 on U9300.
Signed-off-by: Coia Prant <coiaprant@gmail.com>
Reviewed-by: Lars Melin <larsm17@gmail.com>
[ johan: drop product defines, trim commit message ]
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/option.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index ad0fff1e889d0..8827ca3a65955 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -2068,6 +2068,10 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, 0x9803, 0xff),
.driver_info = RSVD(4) },
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, 0x9b05), /* Longsung U8300 */
+ .driver_info = RSVD(4) | RSVD(5) },
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, 0x9b3c), /* Longsung U9300 */
+ .driver_info = RSVD(0) | RSVD(4) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) },
{ USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) },
--
GitLab
From 311f97a4c7c22a01f8897bddf00428dfd0668e79 Mon Sep 17 00:00:00 2001
From: Vanillan Wang <vanillanwang@163.com>
Date: Tue, 16 Apr 2024 18:02:55 +0800
Subject: [PATCH 2662/2686] USB: serial: option: add Rolling RW101-GL and
RW135-GL support
Update the USB serial option driver support for the Rolling
LTE modules.
- VID:PID 33f8:01a2, RW101-GL for laptop debug M.2 cards(with MBIM
interface for /Linux/Chrome OS)
0x01a2: mbim, diag, at, pipe
- VID:PID 33f8:01a3, RW101-GL for laptop debug M.2 cards(with MBIM
interface for /Linux/Chrome OS)
0x01a3: mbim, pipe
- VID:PID 33f8:01a4, RW101-GL for laptop debug M.2 cards(with MBIM
interface for /Linux/Chrome OS)
0x01a4: mbim, diag, at, pipe
- VID:PID 33f8:0104, RW101-GL for laptop debug M.2 cards(with RMNET
interface for /Linux/Chrome OS)
0x0104: RMNET, diag, at, pipe
- VID:PID 33f8:0115, RW135-GL for laptop debug M.2 cards(with MBIM
interface for /Linux/Chrome OS)
0x0115: MBIM, diag, at, pipe
Here are the outputs of usb-devices:
T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 5 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=33f8 ProdID=01a2 Rev=05.15
S: Manufacturer=Rolling Wireless S.a.r.l.
S: Product=Rolling Module
S: SerialNumber=12345678
C: #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 8 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=33f8 ProdID=01a3 Rev=05.15
S: Manufacturer=Rolling Wireless S.a.r.l.
S: Product=Rolling Module
S: SerialNumber=12345678
C: #Ifs= 3 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 17 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=33f8 ProdID=01a4 Rev=05.15
S: Manufacturer=Rolling Wireless S.a.r.l.
S: Product=Rolling Module
S: SerialNumber=12345678
C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=usbfs
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=5000 MxCh= 0
D: Ver= 3.20 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
P: Vendor=33f8 ProdID=0104 Rev=05.04
S: Manufacturer=Rolling Wireless S.a.r.l.
S: Product=Rolling Module
S: SerialNumber=ba2eb033
C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=896mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=40 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan
E: Ad=0f(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=88(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
E: Ad=8e(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=usbfs
E: Ad=05(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=89(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 16 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=33f8 ProdID=0115 Rev=05.15
S: Manufacturer=Rolling Wireless S.a.r.l.
S: Product=Rolling Module
S: SerialNumber=12345678
C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=usbfs
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
Signed-off-by: Vanillan Wang <vanillanwang@163.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/option.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 8827ca3a65955..e22612017f666 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -2307,6 +2307,14 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1406, 0xff) }, /* GosunCn GM500 ECM/NCM */
+ { USB_DEVICE(0x33f8, 0x0104), /* Rolling RW101-GL (laptop RMNET) */
+ .driver_info = RSVD(4) | RSVD(5) },
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x01a2, 0xff) }, /* Rolling RW101-GL (laptop MBIM) */
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x01a3, 0xff) }, /* Rolling RW101-GL (laptop MBIM) */
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x01a4, 0xff), /* Rolling RW101-GL (laptop MBIM) */
+ .driver_info = RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x0115, 0xff), /* Rolling RW135-GL (laptop MBIM) */
+ .driver_info = RSVD(5) },
{ USB_DEVICE_AND_INTERFACE_INFO(OPPO_VENDOR_ID, OPPO_PRODUCT_R11, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x40) },
--
GitLab
From 7caf3daaaf0436fe370834c72c667a97d3671d1a Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@kernel.org>
Date: Wed, 17 Apr 2024 17:16:33 +0100
Subject: [PATCH 2663/2686] ALSA: hda/realtek: Add quirks for Huawei Matebook
D14 NBLB-WAX9N
The headset mic requires a fixup to be properly detected/used.
As a reference, this specific model from 2021 reports
the following devices:
https://alsa-project.org/db/?f=1a5ddeb0b151db8fe051407f5bb1c075b7dd3e4a
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: <stable@vger.kernel.org>
Message-ID: <b92a9e49fb504eec8416bcc6882a52de89450102.1713370457.git.mchehab@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/patch_realtek.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index afe1238ca51ba..f714608474922 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10266,6 +10266,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1462, 0xb120, "MSI Cubi MS-B120", ALC283_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x1462, 0xb171, "Cubi N 8GL (MS-B171)", ALC283_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x152d, 0x1082, "Quanta NL3", ALC269_FIXUP_LIFEBOOK),
+ SND_PCI_QUIRK(0x152d, 0x1262, "Huawei NBLB-WAX9N", ALC2XX_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x1558, 0x0353, "Clevo V35[05]SN[CDE]Q", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x1323, "Clevo N130ZU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x1325, "Clevo N15[01][CW]U", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
--
GitLab
From 32f5f73b79ffdef215e2e1bcb6ad74387c0f925c Mon Sep 17 00:00:00 2001
From: "Xin Li (Intel)" <xin@zytor.com>
Date: Wed, 17 Apr 2024 10:47:31 -0700
Subject: [PATCH 2664/2686] x86/fred: Fix INT80 emulation for FRED
Add a FRED-specific INT80 handler and document why it differs from the
current one. Eventually, the common bits will be unified once FRED hw is
available and it turns out that no further changes are needed but for
now, keep the handlers separate for everyone's sanity's sake.
[ bp: Zap duplicated commit message, massage. ]
Fixes: 55617fb991df ("x86/entry: Do not allow external 0x80 interrupts")
Suggested-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Signed-off-by: Xin Li (Intel) <xin@zytor.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240417174731.4189592-1-xin@zytor.com
---
arch/x86/entry/common.c | 65 +++++++++++++++++++++++++++++++++++++
arch/x86/entry/entry_fred.c | 2 +-
2 files changed, 66 insertions(+), 1 deletion(-)
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
index 6de50b80702e6..51cc9c7cb9bdc 100644
--- a/arch/x86/entry/common.c
+++ b/arch/x86/entry/common.c
@@ -255,6 +255,71 @@ __visible noinstr void do_int80_emulation(struct pt_regs *regs)
instrumentation_end();
syscall_exit_to_user_mode(regs);
}
+
+#ifdef CONFIG_X86_FRED
+/*
+ * A FRED-specific INT80 handler is warranted for the follwing reasons:
+ *
+ * 1) As INT instructions and hardware interrupts are separate event
+ * types, FRED does not preclude the use of vector 0x80 for external
+ * interrupts. As a result, the FRED setup code does not reserve
+ * vector 0x80 and calling int80_is_external() is not merely
+ * suboptimal but actively incorrect: it could cause a system call
+ * to be incorrectly ignored.
+ *
+ * 2) It is called only for handling vector 0x80 of event type
+ * EVENT_TYPE_SWINT and will never be called to handle any external
+ * interrupt (event type EVENT_TYPE_EXTINT).
+ *
+ * 3) FRED has separate entry flows depending on if the event came from
+ * user space or kernel space, and because the kernel does not use
+ * INT insns, the FRED kernel entry handler fred_entry_from_kernel()
+ * falls through to fred_bad_type() if the event type is
+ * EVENT_TYPE_SWINT, i.e., INT insns. So if the kernel is handling
+ * an INT insn, it can only be from a user level.
+ *
+ * 4) int80_emulation() does a CLEAR_BRANCH_HISTORY. While FRED will
+ * likely take a different approach if it is ever needed: it
+ * probably belongs in either fred_intx()/ fred_other() or
+ * asm_fred_entrypoint_user(), depending on if this ought to be done
+ * for all entries from userspace or only system
+ * calls.
+ *
+ * 5) INT $0x80 is the fast path for 32-bit system calls under FRED.
+ */
+DEFINE_FREDENTRY_RAW(int80_emulation)
+{
+ int nr;
+
+ enter_from_user_mode(regs);
+
+ instrumentation_begin();
+ add_random_kstack_offset();
+
+ /*
+ * FRED pushed 0 into regs::orig_ax and regs::ax contains the
+ * syscall number.
+ *
+ * User tracing code (ptrace or signal handlers) might assume
+ * that the regs::orig_ax contains a 32-bit number on invoking
+ * a 32-bit syscall.
+ *
+ * Establish the syscall convention by saving the 32bit truncated
+ * syscall number in regs::orig_ax and by invalidating regs::ax.
+ */
+ regs->orig_ax = regs->ax & GENMASK(31, 0);
+ regs->ax = -ENOSYS;
+
+ nr = syscall_32_enter(regs);
+
+ local_irq_enable();
+ nr = syscall_enter_from_user_mode_work(regs, nr);
+ do_syscall_32_irqs_on(regs, nr);
+
+ instrumentation_end();
+ syscall_exit_to_user_mode(regs);
+}
+#endif
#else /* CONFIG_IA32_EMULATION */
/* Handles int $0x80 on a 32bit kernel */
diff --git a/arch/x86/entry/entry_fred.c b/arch/x86/entry/entry_fred.c
index ac120cbdaaf2b..9fa18b8c7f264 100644
--- a/arch/x86/entry/entry_fred.c
+++ b/arch/x86/entry/entry_fred.c
@@ -66,7 +66,7 @@ static noinstr void fred_intx(struct pt_regs *regs)
/* INT80 */
case IA32_SYSCALL_VECTOR:
if (ia32_enabled())
- return int80_emulation(regs);
+ return fred_int80_emulation(regs);
fallthrough;
#endif
--
GitLab
From a4b37f5033fa812f02f3b7bd1242393d347ba791 Mon Sep 17 00:00:00 2001
From: Hou Wenlong <houwenlong.hwl@antgroup.com>
Date: Wed, 17 Apr 2024 19:34:25 +0800
Subject: [PATCH 2665/2686] x86/fred: Fix incorrect error code printout in
fred_bad_type()
regs->orig_ax has been set to -1 on entry so in the printout,
fred_bad_type() should use the passed parameter error_code.
Fixes: 14619d912b65 ("x86/fred: FRED entry/exit and dispatch code")
Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Link: https://lore.kernel.org/r/b2a8f0a41449d25240e314a2ddfbf6549511fb04.1713353612.git.houwenlong.hwl@antgroup.com
---
arch/x86/entry/entry_fred.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/entry/entry_fred.c b/arch/x86/entry/entry_fred.c
index 9fa18b8c7f264..89c1476fcdd9f 100644
--- a/arch/x86/entry/entry_fred.c
+++ b/arch/x86/entry/entry_fred.c
@@ -28,9 +28,9 @@ static noinstr void fred_bad_type(struct pt_regs *regs, unsigned long error_code
if (regs->fred_cs.sl > 0) {
pr_emerg("PANIC: invalid or fatal FRED event; event type %u "
"vector %u error 0x%lx aux 0x%lx at %04x:%016lx\n",
- regs->fred_ss.type, regs->fred_ss.vector, regs->orig_ax,
+ regs->fred_ss.type, regs->fred_ss.vector, error_code,
fred_event_data(regs), regs->cs, regs->ip);
- die("invalid or fatal FRED event", regs, regs->orig_ax);
+ die("invalid or fatal FRED event", regs, error_code);
panic("invalid or fatal FRED event");
} else {
unsigned long flags = oops_begin();
@@ -38,10 +38,10 @@ static noinstr void fred_bad_type(struct pt_regs *regs, unsigned long error_code
pr_alert("BUG: invalid or fatal FRED event; event type %u "
"vector %u error 0x%lx aux 0x%lx at %04x:%016lx\n",
- regs->fred_ss.type, regs->fred_ss.vector, regs->orig_ax,
+ regs->fred_ss.type, regs->fred_ss.vector, error_code,
fred_event_data(regs), regs->cs, regs->ip);
- if (__die("Invalid or fatal FRED event", regs, regs->orig_ax))
+ if (__die("Invalid or fatal FRED event", regs, error_code))
sig = 0;
oops_end(flags, regs, sig);
--
GitLab
From def52db470df28d6f43cacbd21137f03b9502073 Mon Sep 17 00:00:00 2001
From: Paul Barker <paul.barker.ct@bp.renesas.com>
Date: Tue, 16 Apr 2024 13:02:51 +0100
Subject: [PATCH 2666/2686] net: ravb: Count packets instead of descriptors in
R-Car RX path
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The units of "work done" in the RX path should be packets instead of
descriptors.
Descriptors which are used by the hardware to record error conditions or
are empty in the case of a DMA mapping error should not count towards
our RX work budget.
Also make the limit variable unsigned as it can never be negative.
Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/renesas/ravb_main.c | 21 ++++++++-------------
1 file changed, 8 insertions(+), 13 deletions(-)
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index ba01c8cc3c906..7d231d011bffa 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -892,29 +892,24 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
struct ravb_private *priv = netdev_priv(ndev);
const struct ravb_hw_info *info = priv->info;
int entry = priv->cur_rx[q] % priv->num_rx_ring[q];
- int boguscnt = (priv->dirty_rx[q] + priv->num_rx_ring[q]) -
- priv->cur_rx[q];
struct net_device_stats *stats = &priv->stats[q];
struct ravb_ex_rx_desc *desc;
+ unsigned int limit, i;
struct sk_buff *skb;
dma_addr_t dma_addr;
struct timespec64 ts;
+ int rx_packets = 0;
u8 desc_status;
u16 pkt_len;
- int limit;
- boguscnt = min(boguscnt, *quota);
- limit = boguscnt;
+ limit = priv->dirty_rx[q] + priv->num_rx_ring[q] - priv->cur_rx[q];
desc = &priv->rx_ring[q].ex_desc[entry];
- while (desc->die_dt != DT_FEMPTY) {
+ for (i = 0; i < limit && rx_packets < *quota && desc->die_dt != DT_FEMPTY; i++) {
/* Descriptor type must be checked before all other reads */
dma_rmb();
desc_status = desc->msc;
pkt_len = le16_to_cpu(desc->ds_cc) & RX_DS;
- if (--boguscnt < 0)
- break;
-
/* We use 0-byte descriptors to mark the DMA mapping errors */
if (!pkt_len)
continue;
@@ -960,7 +955,7 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
if (ndev->features & NETIF_F_RXCSUM)
ravb_rx_csum(skb);
napi_gro_receive(&priv->napi[q], skb);
- stats->rx_packets++;
+ rx_packets++;
stats->rx_bytes += pkt_len;
}
@@ -995,9 +990,9 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
desc->die_dt = DT_FEMPTY;
}
- *quota -= limit - (++boguscnt);
-
- return boguscnt <= 0;
+ stats->rx_packets += rx_packets;
+ *quota -= rx_packets;
+ return *quota == 0;
}
/* Packet receive function for Ethernet AVB */
--
GitLab
From a892493a343494bd6bab9d098593932077ff3c43 Mon Sep 17 00:00:00 2001
From: Paul Barker <paul.barker.ct@bp.renesas.com>
Date: Tue, 16 Apr 2024 13:02:52 +0100
Subject: [PATCH 2667/2686] net: ravb: Allow RX loop to move past DMA mapping
errors
The RX loops in ravb_rx_gbeth() and ravb_rx_rcar() skip to the next loop
iteration if a zero-length descriptor is seen (indicating a DMA mapping
error). However, the current RX descriptor index `priv->cur_rx[q]` was
incremented at the end of the loop and so would not be incremented when
we skip to the next loop iteration. This would cause the loop to keep
seeing the same zero-length descriptor instead of moving on to the next
descriptor.
As the loop counter `i` still increments, the loop would eventually
terminate so there is no risk of being stuck here forever - but we
should still fix this to avoid wasting cycles.
To fix this, the RX descriptor index is incremented at the top of the
loop, in the for statement itself. The assignments of `entry` and `desc`
are brought into the loop to avoid the need for duplication.
Fixes: d8b48911fd24 ("ravb: fix ring memory allocation")
Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/renesas/ravb_main.c | 25 ++++++++++++------------
1 file changed, 13 insertions(+), 12 deletions(-)
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 7d231d011bffa..3b870926af14e 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -775,12 +775,15 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
int limit;
int i;
- entry = priv->cur_rx[q] % priv->num_rx_ring[q];
limit = priv->dirty_rx[q] + priv->num_rx_ring[q] - priv->cur_rx[q];
stats = &priv->stats[q];
- desc = &priv->rx_ring[q].desc[entry];
- for (i = 0; i < limit && rx_packets < *quota && desc->die_dt != DT_FEMPTY; i++) {
+ for (i = 0; i < limit; i++, priv->cur_rx[q]++) {
+ entry = priv->cur_rx[q] % priv->num_rx_ring[q];
+ desc = &priv->rx_ring[q].desc[entry];
+ if (rx_packets == *quota || desc->die_dt == DT_FEMPTY)
+ break;
+
/* Descriptor type must be checked before all other reads */
dma_rmb();
desc_status = desc->msc;
@@ -848,9 +851,6 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
break;
}
}
-
- entry = (++priv->cur_rx[q]) % priv->num_rx_ring[q];
- desc = &priv->rx_ring[q].desc[entry];
}
/* Refill the RX ring buffers. */
@@ -891,7 +891,6 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
{
struct ravb_private *priv = netdev_priv(ndev);
const struct ravb_hw_info *info = priv->info;
- int entry = priv->cur_rx[q] % priv->num_rx_ring[q];
struct net_device_stats *stats = &priv->stats[q];
struct ravb_ex_rx_desc *desc;
unsigned int limit, i;
@@ -901,10 +900,15 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
int rx_packets = 0;
u8 desc_status;
u16 pkt_len;
+ int entry;
limit = priv->dirty_rx[q] + priv->num_rx_ring[q] - priv->cur_rx[q];
- desc = &priv->rx_ring[q].ex_desc[entry];
- for (i = 0; i < limit && rx_packets < *quota && desc->die_dt != DT_FEMPTY; i++) {
+ for (i = 0; i < limit; i++, priv->cur_rx[q]++) {
+ entry = priv->cur_rx[q] % priv->num_rx_ring[q];
+ desc = &priv->rx_ring[q].ex_desc[entry];
+ if (rx_packets == *quota || desc->die_dt == DT_FEMPTY)
+ break;
+
/* Descriptor type must be checked before all other reads */
dma_rmb();
desc_status = desc->msc;
@@ -958,9 +962,6 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
rx_packets++;
stats->rx_bytes += pkt_len;
}
-
- entry = (++priv->cur_rx[q]) % priv->num_rx_ring[q];
- desc = &priv->rx_ring[q].ex_desc[entry];
}
/* Refill the RX ring buffers. */
--
GitLab
From c7c449502b51c5b5de79f97a42be750b28f6ecee Mon Sep 17 00:00:00 2001
From: Paul Barker <paul.barker.ct@bp.renesas.com>
Date: Tue, 16 Apr 2024 13:02:53 +0100
Subject: [PATCH 2668/2686] net: ravb: Fix GbEth jumbo packet RX checksum
handling
Sending a 7kB ping packet to the RZ/G2L in v6.9-rc2 causes the following
backtrace:
WARNING: CPU: 0 PID: 0 at include/linux/skbuff.h:3127 skb_trim+0x30/0x38
Hardware name: Renesas SMARC EVK based on r9a07g044l2 (DT)
pc : skb_trim+0x30/0x38
lr : ravb_rx_csum_gbeth+0x40/0x90
Call trace:
skb_trim+0x30/0x38
ravb_rx_gbeth+0x56c/0x5cc
ravb_poll+0xa0/0x204
__napi_poll+0x38/0x17c
This is caused by ravb_rx_gbeth() calling ravb_rx_csum_gbeth() with the
wrong skb for a packet which spans multiple descriptors. To fix this,
use the correct skb.
Fixes: c2da9408579d ("ravb: Add Rx checksum offload support for GbEth")
Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/renesas/ravb_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 3b870926af14e..6969cdeeb67ab 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -843,7 +843,7 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
priv->rx_1st_skb->protocol =
eth_type_trans(priv->rx_1st_skb, ndev);
if (ndev->features & NETIF_F_RXCSUM)
- ravb_rx_csum_gbeth(skb);
+ ravb_rx_csum_gbeth(priv->rx_1st_skb);
napi_gro_receive(&priv->napi[q],
priv->rx_1st_skb);
rx_packets++;
--
GitLab
From 2e36c9fbc476f95a1b19e3fa0a2cdf408475ff56 Mon Sep 17 00:00:00 2001
From: Paul Barker <paul.barker.ct@bp.renesas.com>
Date: Tue, 16 Apr 2024 13:02:54 +0100
Subject: [PATCH 2669/2686] net: ravb: Fix RX byte accounting for jumbo packets
The RX byte accounting for jumbo packets was changed to fix a potential
use-after-free bug. However, that fix used the wrong variable and so
only accounted for the number of bytes in the final descriptor, not the
number of bytes in the whole packet.
To fix this, we can simply update our stats with the correct number of
bytes before calling napi_gro_receive().
Also rename pkt_len to desc_len in ravb_rx_gbeth() to avoid any future
confusion. The variable name pkt_len is correct in ravb_rx_rcar() as
that function does not handle packets spanning multiple descriptors.
Fixes: 5a5a3e564de6 ("ravb: Fix potential use-after-free in ravb_rx_gbeth()")
Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/renesas/ravb_main.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 6969cdeeb67ab..fcb756d77681c 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -769,7 +769,7 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
dma_addr_t dma_addr;
int rx_packets = 0;
u8 desc_status;
- u16 pkt_len;
+ u16 desc_len;
u8 die_dt;
int entry;
int limit;
@@ -787,10 +787,10 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
/* Descriptor type must be checked before all other reads */
dma_rmb();
desc_status = desc->msc;
- pkt_len = le16_to_cpu(desc->ds_cc) & RX_DS;
+ desc_len = le16_to_cpu(desc->ds_cc) & RX_DS;
/* We use 0-byte descriptors to mark the DMA mapping errors */
- if (!pkt_len)
+ if (!desc_len)
continue;
if (desc_status & MSC_MC)
@@ -811,25 +811,25 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
switch (die_dt) {
case DT_FSINGLE:
skb = ravb_get_skb_gbeth(ndev, entry, desc);
- skb_put(skb, pkt_len);
+ skb_put(skb, desc_len);
skb->protocol = eth_type_trans(skb, ndev);
if (ndev->features & NETIF_F_RXCSUM)
ravb_rx_csum_gbeth(skb);
napi_gro_receive(&priv->napi[q], skb);
rx_packets++;
- stats->rx_bytes += pkt_len;
+ stats->rx_bytes += desc_len;
break;
case DT_FSTART:
priv->rx_1st_skb = ravb_get_skb_gbeth(ndev, entry, desc);
- skb_put(priv->rx_1st_skb, pkt_len);
+ skb_put(priv->rx_1st_skb, desc_len);
break;
case DT_FMID:
skb = ravb_get_skb_gbeth(ndev, entry, desc);
skb_copy_to_linear_data_offset(priv->rx_1st_skb,
priv->rx_1st_skb->len,
skb->data,
- pkt_len);
- skb_put(priv->rx_1st_skb, pkt_len);
+ desc_len);
+ skb_put(priv->rx_1st_skb, desc_len);
dev_kfree_skb(skb);
break;
case DT_FEND:
@@ -837,17 +837,17 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
skb_copy_to_linear_data_offset(priv->rx_1st_skb,
priv->rx_1st_skb->len,
skb->data,
- pkt_len);
- skb_put(priv->rx_1st_skb, pkt_len);
+ desc_len);
+ skb_put(priv->rx_1st_skb, desc_len);
dev_kfree_skb(skb);
priv->rx_1st_skb->protocol =
eth_type_trans(priv->rx_1st_skb, ndev);
if (ndev->features & NETIF_F_RXCSUM)
ravb_rx_csum_gbeth(priv->rx_1st_skb);
+ stats->rx_bytes += priv->rx_1st_skb->len;
napi_gro_receive(&priv->napi[q],
priv->rx_1st_skb);
rx_packets++;
- stats->rx_bytes += pkt_len;
break;
}
}
--
GitLab
From 3aadf100f93d80815685493d60cd8cab206403df Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Thu, 18 Apr 2024 13:45:17 +0200
Subject: [PATCH 2670/2686] Revert "vmgenid: emit uevent when VMGENID updates"
This reverts commit ad6bcdad2b6724e113f191a12f859a9e8456b26d. I had
nak'd it, and Greg said on the thread that it links that he wasn't going
to take it either, especially since it's not his code or his tree, but
then, seemingly accidentally, it got pushed up some months later, in
what looks like a mistake, with no further discussion in the linked
thread. So revert it, since it's clearly not intended.
Fixes: ad6bcdad2b67 ("vmgenid: emit uevent when VMGENID updates")
Cc: stable@vger.kernel.org
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20230531095119.11202-2-bchalios@amazon.es
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
drivers/virt/vmgenid.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/virt/vmgenid.c b/drivers/virt/vmgenid.c
index b67a28da47026..a1c467a0e9f71 100644
--- a/drivers/virt/vmgenid.c
+++ b/drivers/virt/vmgenid.c
@@ -68,7 +68,6 @@ static int vmgenid_add(struct acpi_device *device)
static void vmgenid_notify(struct acpi_device *device, u32 event)
{
struct vmgenid_state *state = acpi_driver_data(device);
- char *envp[] = { "NEW_VMGENID=1", NULL };
u8 old_id[VMGENID_SIZE];
memcpy(old_id, state->this_id, sizeof(old_id));
@@ -76,7 +75,6 @@ static void vmgenid_notify(struct acpi_device *device, u32 event)
if (!memcmp(old_id, state->this_id, sizeof(old_id)))
return;
add_vmfork_randomness(state->this_id, sizeof(state->this_id));
- kobject_uevent_env(&device->dev.kobj, KOBJ_CHANGE, envp);
}
static const struct acpi_device_id vmgenid_ids[] = {
--
GitLab
From 1607830dadeefc407e4956336d9fcd9e9defd810 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Thu, 18 Apr 2024 16:33:28 +0200
Subject: [PATCH 2671/2686] Revert "usb: cdc-wdm: close race between read and
workqueue"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This reverts commit 339f83612f3a569b194680768b22bf113c26a29d.
It has been found to cause problems in a number of Chromebook devices,
so revert the change until it can be brought back in a safe way.
Link: https://lore.kernel.org/r/385a3519-b45d-48c5-a6fd-a3fdb6bec92f@chromium.org
Reported-by:: Aleksander Morgado <aleksandermj@chromium.org>
Fixes: 339f83612f3a ("usb: cdc-wdm: close race between read and workqueue")
Cc: stable <stable@kernel.org>
Cc: Oliver Neukum <oneukum@suse.com>
Cc: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/class/cdc-wdm.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index c8262e2f29177..c553decb54610 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -485,7 +485,6 @@ static ssize_t wdm_write
static int service_outstanding_interrupt(struct wdm_device *desc)
{
int rv = 0;
- int used;
/* submit read urb only if the device is waiting for it */
if (!desc->resp_count || !--desc->resp_count)
@@ -500,10 +499,7 @@ static int service_outstanding_interrupt(struct wdm_device *desc)
goto out;
}
- used = test_and_set_bit(WDM_RESPONDING, &desc->flags);
- if (used)
- goto out;
-
+ set_bit(WDM_RESPONDING, &desc->flags);
spin_unlock_irq(&desc->iuspin);
rv = usb_submit_urb(desc->response, GFP_KERNEL);
spin_lock_irq(&desc->iuspin);
--
GitLab
From f2e0eee4703869dc5edb5302a919861566ca7797 Mon Sep 17 00:00:00 2001
From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Date: Tue, 16 Apr 2024 01:23:07 +0000
Subject: [PATCH 2672/2686] usb: dwc3: ep0: Don't reset resource alloc flag
The DWC3_EP_RESOURCE_ALLOCATED flag ensures that the resource of an
endpoint is only assigned once. Unless the endpoint is reset, don't
clear this flag. Otherwise we may set endpoint resource again, which
prevents the driver from initiate transfer after handling a STALL or
endpoint halt to the control endpoint.
Cc: stable@vger.kernel.org
Fixes: b311048c174d ("usb: dwc3: gadget: Rewrite endpoint allocation flow")
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/00122b7cc5be06abef461776e7cc9f5ebc8bc1cb.1713229786.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/dwc3/ep0.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 72bb722da2f25..d96ffbe520397 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -226,7 +226,8 @@ void dwc3_ep0_stall_and_restart(struct dwc3 *dwc)
/* reinitialize physical ep1 */
dep = dwc->eps[1];
- dep->flags = DWC3_EP_ENABLED;
+ dep->flags &= DWC3_EP_RESOURCE_ALLOCATED;
+ dep->flags |= DWC3_EP_ENABLED;
/* stall is always issued on EP0 */
dep = dwc->eps[0];
--
GitLab
From 582ee2f9d268d302595db3e36b985e5cbb93284d Mon Sep 17 00:00:00 2001
From: Daniele Palmas <dnlplm@gmail.com>
Date: Thu, 18 Apr 2024 13:34:30 +0200
Subject: [PATCH 2673/2686] USB: serial: option: add Telit FN920C04 rmnet
compositions
Add the following Telit FN920C04 compositions:
0x10a0: rmnet + tty (AT/NMEA) + tty (AT) + tty (diag)
T: Bus=03 Lev=01 Prnt=03 Port=06 Cnt=01 Dev#= 5 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1bc7 ProdID=10a0 Rev=05.15
S: Manufacturer=Telit Cinterion
S: Product=FN920
S: SerialNumber=92c4c4d8
C: #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=82(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=60 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
0x10a4: rmnet + tty (AT) + tty (AT) + tty (diag)
T: Bus=03 Lev=01 Prnt=03 Port=06 Cnt=01 Dev#= 8 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1bc7 ProdID=10a4 Rev=05.15
S: Manufacturer=Telit Cinterion
S: Product=FN920
S: SerialNumber=92c4c4d8
C: #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=82(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
0x10a9: rmnet + tty (AT) + tty (diag) + DPL (data packet logging) + adb
T: Bus=03 Lev=01 Prnt=03 Port=06 Cnt=01 Dev#= 9 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1bc7 ProdID=10a9 Rev=05.15
S: Manufacturer=Telit Cinterion
S: Product=FN920
S: SerialNumber=92c4c4d8
C: #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=82(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=80 Driver=(none)
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/option.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index e22612017f666..8a5846d4adf67 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1376,6 +1376,12 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(2) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1083, 0xff), /* Telit FE990 (ECM) */
.driver_info = NCTRL(0) | RSVD(1) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a0, 0xff), /* Telit FN20C04 (rmnet) */
+ .driver_info = RSVD(0) | NCTRL(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a4, 0xff), /* Telit FN20C04 (rmnet) */
+ .driver_info = RSVD(0) | NCTRL(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a9, 0xff), /* Telit FN20C04 (rmnet) */
+ .driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
--
GitLab
From 9543f6e26634537997b6e909c20911b7bf4876de Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers@google.com>
Date: Tue, 16 Apr 2024 23:04:34 -0700
Subject: [PATCH 2674/2686] x86/cpufeatures: Fix dependencies for GFNI, VAES,
and VPCLMULQDQ
Fix cpuid_deps[] to list the correct dependencies for GFNI, VAES, and
VPCLMULQDQ. These features don't depend on AVX512, and there exist CPUs
that support these features but not AVX512. GFNI actually doesn't even
depend on AVX.
This prevents GFNI from being unnecessarily disabled if AVX is disabled
to mitigate the GDS vulnerability.
This also prevents all three features from being unnecessarily disabled
if AVX512VL (or its dependency AVX512F) were to be disabled, but it
looks like there isn't any case where this happens anyway.
Fixes: c128dbfa0f87 ("x86/cpufeatures: Enable new SSE/AVX/AVX512 CPU features")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/r/20240417060434.47101-1-ebiggers@kernel.org
---
arch/x86/kernel/cpu/cpuid-deps.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/cpu/cpuid-deps.c b/arch/x86/kernel/cpu/cpuid-deps.c
index b7174209d855c..946813d816bfc 100644
--- a/arch/x86/kernel/cpu/cpuid-deps.c
+++ b/arch/x86/kernel/cpu/cpuid-deps.c
@@ -44,7 +44,10 @@ static const struct cpuid_dep cpuid_deps[] = {
{ X86_FEATURE_F16C, X86_FEATURE_XMM2, },
{ X86_FEATURE_AES, X86_FEATURE_XMM2 },
{ X86_FEATURE_SHA_NI, X86_FEATURE_XMM2 },
+ { X86_FEATURE_GFNI, X86_FEATURE_XMM2 },
{ X86_FEATURE_FMA, X86_FEATURE_AVX },
+ { X86_FEATURE_VAES, X86_FEATURE_AVX },
+ { X86_FEATURE_VPCLMULQDQ, X86_FEATURE_AVX },
{ X86_FEATURE_AVX2, X86_FEATURE_AVX, },
{ X86_FEATURE_AVX512F, X86_FEATURE_AVX, },
{ X86_FEATURE_AVX512IFMA, X86_FEATURE_AVX512F },
@@ -56,9 +59,6 @@ static const struct cpuid_dep cpuid_deps[] = {
{ X86_FEATURE_AVX512VL, X86_FEATURE_AVX512F },
{ X86_FEATURE_AVX512VBMI, X86_FEATURE_AVX512F },
{ X86_FEATURE_AVX512_VBMI2, X86_FEATURE_AVX512VL },
- { X86_FEATURE_GFNI, X86_FEATURE_AVX512VL },
- { X86_FEATURE_VAES, X86_FEATURE_AVX512VL },
- { X86_FEATURE_VPCLMULQDQ, X86_FEATURE_AVX512VL },
{ X86_FEATURE_AVX512_VNNI, X86_FEATURE_AVX512VL },
{ X86_FEATURE_AVX512_BITALG, X86_FEATURE_AVX512VL },
{ X86_FEATURE_AVX512_4VNNIW, X86_FEATURE_AVX512F },
--
GitLab
From 752863bddacab6b5c5164b1df8c8b2e3a175ee28 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Wed, 17 Apr 2024 16:47:43 +0200
Subject: [PATCH 2675/2686] block: propagate partition scanning errors to the
BLKRRPART ioctl
Commit 4601b4b130de ("block: reopen the device in blkdev_reread_part")
lost the propagation of I/O errors from the low-level read of the
partition table to the user space caller of the BLKRRPART.
Apparently some user space relies on, so restore the propagation. This
isn't exactly pretty as other block device open calls explicitly do not
are about these errors, so add a new BLK_OPEN_STRICT_SCAN to opt into
the error propagation.
Fixes: 4601b4b130de ("block: reopen the device in blkdev_reread_part")
Reported-by: Saranya Muruganandam <saranyamohan@google.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Tested-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Link: https://lore.kernel.org/r/20240417144743.2277601-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/bdev.c | 29 +++++++++++++++++++----------
block/ioctl.c | 3 ++-
include/linux/blkdev.h | 2 ++
3 files changed, 23 insertions(+), 11 deletions(-)
diff --git a/block/bdev.c b/block/bdev.c
index 7a5f611c3d2e3..cea51dca87531 100644
--- a/block/bdev.c
+++ b/block/bdev.c
@@ -652,6 +652,14 @@ static void blkdev_flush_mapping(struct block_device *bdev)
bdev_write_inode(bdev);
}
+static void blkdev_put_whole(struct block_device *bdev)
+{
+ if (atomic_dec_and_test(&bdev->bd_openers))
+ blkdev_flush_mapping(bdev);
+ if (bdev->bd_disk->fops->release)
+ bdev->bd_disk->fops->release(bdev->bd_disk);
+}
+
static int blkdev_get_whole(struct block_device *bdev, blk_mode_t mode)
{
struct gendisk *disk = bdev->bd_disk;
@@ -670,20 +678,21 @@ static int blkdev_get_whole(struct block_device *bdev, blk_mode_t mode)
if (!atomic_read(&bdev->bd_openers))
set_init_blocksize(bdev);
- if (test_bit(GD_NEED_PART_SCAN, &disk->state))
- bdev_disk_changed(disk, false);
atomic_inc(&bdev->bd_openers);
+ if (test_bit(GD_NEED_PART_SCAN, &disk->state)) {
+ /*
+ * Only return scanning errors if we are called from contexts
+ * that explicitly want them, e.g. the BLKRRPART ioctl.
+ */
+ ret = bdev_disk_changed(disk, false);
+ if (ret && (mode & BLK_OPEN_STRICT_SCAN)) {
+ blkdev_put_whole(bdev);
+ return ret;
+ }
+ }
return 0;
}
-static void blkdev_put_whole(struct block_device *bdev)
-{
- if (atomic_dec_and_test(&bdev->bd_openers))
- blkdev_flush_mapping(bdev);
- if (bdev->bd_disk->fops->release)
- bdev->bd_disk->fops->release(bdev->bd_disk);
-}
-
static int blkdev_get_part(struct block_device *part, blk_mode_t mode)
{
struct gendisk *disk = part->bd_disk;
diff --git a/block/ioctl.c b/block/ioctl.c
index a9028a2c2db57..f505f9c341eb0 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -563,7 +563,8 @@ static int blkdev_common_ioctl(struct block_device *bdev, blk_mode_t mode,
return -EACCES;
if (bdev_is_partition(bdev))
return -EINVAL;
- return disk_scan_partitions(bdev->bd_disk, mode);
+ return disk_scan_partitions(bdev->bd_disk,
+ mode | BLK_OPEN_STRICT_SCAN);
case BLKTRACESTART:
case BLKTRACESTOP:
case BLKTRACETEARDOWN:
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c3e8f7cf96be9..d16320852c4ba 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -128,6 +128,8 @@ typedef unsigned int __bitwise blk_mode_t;
#define BLK_OPEN_WRITE_IOCTL ((__force blk_mode_t)(1 << 4))
/* open is exclusive wrt all other BLK_OPEN_WRITE opens to the device */
#define BLK_OPEN_RESTRICT_WRITES ((__force blk_mode_t)(1 << 5))
+/* return partition scanning errors */
+#define BLK_OPEN_STRICT_SCAN ((__force blk_mode_t)(1 << 6))
struct gendisk {
/*
--
GitLab
From 56f78615bcb1c3ba58a5d9911bad3d9185cf141b Mon Sep 17 00:00:00 2001
From: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Date: Wed, 17 Apr 2024 10:55:13 +0200
Subject: [PATCH 2676/2686] net: usb: ax88179_178a: avoid writing the mac
address before first reading
After the commit d2689b6a86b9 ("net: usb: ax88179_178a: avoid two
consecutive device resets"), reset operation, in which the default mac
address from the device is read, is not executed from bind operation and
the random address, that is pregenerated just in case, is direclty written
the first time in the device, so the default one from the device is not
even read. This writing is not dangerous because is volatile and the
default mac address is not missed.
In order to avoid this and keep the simplification to have only one
reset and reduce the delays, restore the reset from bind operation and
remove the reset that is commanded from open operation. The behavior is
the same but everything is ready for usbnet_probe.
Tested with ASIX AX88179 USB Gigabit Ethernet devices.
Restore the old behavior for the rest of possible devices because I don't
have the hardware to test.
cc: stable@vger.kernel.org # 6.6+
Fixes: d2689b6a86b9 ("net: usb: ax88179_178a: avoid two consecutive device resets")
Reported-by: Jarkko Palviainen <jarkko.palviainen@gmail.com>
Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Link: https://lore.kernel.org/r/20240417085524.219532-1-jtornosm@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/usb/ax88179_178a.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index a9c418890a1ca..752f821a19901 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -1317,6 +1317,8 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
netif_set_tso_max_size(dev->net, 16384);
+ ax88179_reset(dev);
+
return 0;
}
@@ -1695,7 +1697,6 @@ static const struct driver_info ax88179_info = {
.unbind = ax88179_unbind,
.status = ax88179_status,
.link_reset = ax88179_link_reset,
- .reset = ax88179_reset,
.stop = ax88179_stop,
.flags = FLAG_ETHER | FLAG_FRAMING_AX,
.rx_fixup = ax88179_rx_fixup,
@@ -1708,7 +1709,6 @@ static const struct driver_info ax88178a_info = {
.unbind = ax88179_unbind,
.status = ax88179_status,
.link_reset = ax88179_link_reset,
- .reset = ax88179_reset,
.stop = ax88179_stop,
.flags = FLAG_ETHER | FLAG_FRAMING_AX,
.rx_fixup = ax88179_rx_fixup,
--
GitLab
From c24cd679b075b0e953ea167b0aa2b2d59e4eba7f Mon Sep 17 00:00:00 2001
From: Siddharth Vadapalli <s-vadapalli@ti.com>
Date: Wed, 17 Apr 2024 15:24:25 +0530
Subject: [PATCH 2677/2686] net: ethernet: ti: am65-cpsw-nuss: cleanup DMA
Channels before using them
The TX and RX DMA Channels used by the driver to exchange data with CPSW
are not guaranteed to be in a clean state during driver initialization.
The Bootloader could have used the same DMA Channels without cleaning them
up in the event of failure. Thus, reset and disable the DMA Channels to
ensure that they are in a clean state before using them.
Fixes: 93a76530316a ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver")
Reported-by: Schuyler Patton <spatton@ti.com>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20240417095425.2253876-1-s-vadapalli@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/ti/am65-cpsw-nuss.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index 2939a21ca74f3..1d00e21808c1c 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
@@ -2793,6 +2793,8 @@ static void am65_cpsw_unregister_devlink(struct am65_cpsw_common *common)
static int am65_cpsw_nuss_register_ndevs(struct am65_cpsw_common *common)
{
+ struct am65_cpsw_rx_chn *rx_chan = &common->rx_chns;
+ struct am65_cpsw_tx_chn *tx_chan = common->tx_chns;
struct device *dev = common->dev;
struct am65_cpsw_port *port;
int ret = 0, i;
@@ -2805,6 +2807,22 @@ static int am65_cpsw_nuss_register_ndevs(struct am65_cpsw_common *common)
if (ret)
return ret;
+ /* The DMA Channels are not guaranteed to be in a clean state.
+ * Reset and disable them to ensure that they are back to the
+ * clean state and ready to be used.
+ */
+ for (i = 0; i < common->tx_ch_num; i++) {
+ k3_udma_glue_reset_tx_chn(tx_chan[i].tx_chn, &tx_chan[i],
+ am65_cpsw_nuss_tx_cleanup);
+ k3_udma_glue_disable_tx_chn(tx_chan[i].tx_chn);
+ }
+
+ for (i = 0; i < AM65_CPSW_MAX_RX_FLOWS; i++)
+ k3_udma_glue_reset_rx_chn(rx_chan->rx_chn, i, rx_chan,
+ am65_cpsw_nuss_rx_cleanup, !!i);
+
+ k3_udma_glue_disable_rx_chn(rx_chan->rx_chn);
+
ret = am65_cpsw_nuss_register_devlink(common);
if (ret)
return ret;
--
GitLab
From 2b504e1620376052744ebee408a84394bdaef40a Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ardb@kernel.org>
Date: Mon, 15 Apr 2024 09:54:14 +0200
Subject: [PATCH 2678/2686] arm64/head: Drop unnecessary pre-disable-MMU
workaround
The Falkor erratum that results in the need for an ISB before clearing
the M bit in SCTLR_ELx only applies to execution at exception level x,
and so the workaround is not needed when disabling the EL1 MMU while
running at EL2.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Marc Zyngier <maz@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20240415075412.2347624-5-ardb+git@google.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
arch/arm64/kernel/head.S | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 06234c3a15f3d..b8bbd72cb1944 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -323,13 +323,11 @@ SYM_INNER_LABEL(init_el2, SYM_L_LOCAL)
cbz x0, 2f
/* Set a sane SCTLR_EL1, the VHE way */
- pre_disable_mmu_workaround
msr_s SYS_SCTLR_EL12, x1
mov x2, #BOOT_CPU_FLAG_E2H
b 3f
2:
- pre_disable_mmu_workaround
msr sctlr_el1, x1
mov x2, xzr
3:
--
GitLab
From 34e526cb7d46726b2ae5f83f2892d00ebb088509 Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ardb@kernel.org>
Date: Mon, 15 Apr 2024 09:54:15 +0200
Subject: [PATCH 2679/2686] arm64/head: Disable MMU at EL2 before clearing
HCR_EL2.E2H
Even though the boot protocol stipulates otherwise, an exception has
been made for the EFI stub, and entering the core kernel with the MMU
enabled is permitted. This allows a substantial amount of cache
maintenance to be elided, wich is significant when fast boot times are
critical (e.g., for booting micro-VMs)
Once the initial ID map has been populated, the MMU is disabled as part
of the logic sequence that puts all system registers into a known state.
Any code that needs to execute within the window where the MMU is off is
cleaned to the PoC explicitly, which includes all of HYP text when
entering at EL2.
However, the current sequence of initializing the EL2 system registers
is not safe: HCR_EL2 is set to its nVHE initial state before SCTLR_EL2
is reprogrammed, and this means that a VHE-to-nVHE switch may occur
while the MMU is enabled. This switch causes some system registers as
well as page table descriptors to be interpreted in a different way,
potentially resulting in spurious exceptions relating to MMU
translation.
So disable the MMU explicitly first when entering in EL2 with the MMU
and caches enabled.
Fixes: 617861703830 ("efi: arm64: enter with MMU and caches enabled")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Cc: <stable@vger.kernel.org> # 6.3.x
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240415075412.2347624-6-ardb+git@google.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
arch/arm64/kernel/head.S | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index b8bbd72cb1944..cb68adcabe078 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -289,6 +289,11 @@ SYM_INNER_LABEL(init_el2, SYM_L_LOCAL)
adr_l x1, __hyp_text_end
adr_l x2, dcache_clean_poc
blr x2
+
+ mov_q x0, INIT_SCTLR_EL2_MMU_OFF
+ pre_disable_mmu_workaround
+ msr sctlr_el2, x0
+ isb
0:
mov_q x0, HCR_HOST_NVHE_FLAGS
--
GitLab
From 7ee5faad0f8c3ad86c8cfc2f6aac91d2ba29790f Mon Sep 17 00:00:00 2001
From: Ai Chao <aichao@kylinos.cn>
Date: Fri, 19 Apr 2024 16:21:59 +0800
Subject: [PATCH 2680/2686] ALSA: hda/realtek - Enable audio jacks of Haier
Boyue G42 with ALC269VC
The Haier Boyue G42 with ALC269VC cannot detect the MIC of headset,
the line out and internal speaker until
ALC269VC_FIXUP_ACER_VCOPPERBOX_PINS quirk applied.
Signed-off-by: Ai Chao <aichao@kylinos.cn>
Cc: <stable@vger.kernel.org>
Message-ID: <20240419082159.476879-1-aichao@kylinos.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/patch_realtek.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index f714608474922..70d80b6af3fe3 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10497,6 +10497,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1d05, 0x115c, "TongFang GMxTGxx", ALC269_FIXUP_NO_SHUTUP),
SND_PCI_QUIRK(0x1d05, 0x121b, "TongFang GMxAGxx", ALC269_FIXUP_NO_SHUTUP),
SND_PCI_QUIRK(0x1d05, 0x1387, "TongFang GMxIXxx", ALC2XX_FIXUP_HEADSET_MIC),
+ SND_PCI_QUIRK(0x1d17, 0x3288, "Haier Boyue G42", ALC269VC_FIXUP_ACER_VCOPPERBOX_PINS),
SND_PCI_QUIRK(0x1d72, 0x1602, "RedmiBook", ALC255_FIXUP_XIAOMI_HEADSET_MIC),
SND_PCI_QUIRK(0x1d72, 0x1701, "XiaomiNotebook Pro", ALC298_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1d72, 0x1901, "RedmiBook 14", ALC256_FIXUP_ASUS_HEADSET_MIC),
--
GitLab
From f25f17dc5c6a5e3f2014d44635f0c0db45224efe Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 19 Apr 2024 12:04:39 +0200
Subject: [PATCH 2681/2686] ALSA: seq: ump: Fix conversion from MIDI2 to MIDI1
UMP messages
The conversion from MIDI2 to MIDI1 UMP messages had a leftover
artifact (superfluous bit shift), and this resulted in the bogus type
check, leading to empty outputs. Let's fix it.
Fixes: e9e02819a98a ("ALSA: seq: Automatic conversion of UMP events")
Cc: <stable@vger.kernel.org>
Link: https://github.com/alsa-project/alsa-utils/issues/262
Message-ID: <20240419100442.14806-1-tiwai@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/core/seq/seq_ump_convert.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/core/seq/seq_ump_convert.c b/sound/core/seq/seq_ump_convert.c
index b141024830ecc..ee6ac649df836 100644
--- a/sound/core/seq/seq_ump_convert.c
+++ b/sound/core/seq/seq_ump_convert.c
@@ -428,7 +428,7 @@ static int cvt_ump_midi2_to_midi1(struct snd_seq_client *dest,
midi1->note.group = midi2->note.group;
midi1->note.status = midi2->note.status;
midi1->note.channel = midi2->note.channel;
- switch (midi2->note.status << 4) {
+ switch (midi2->note.status) {
case UMP_MSG_STATUS_NOTE_ON:
case UMP_MSG_STATUS_NOTE_OFF:
midi1->note.note = midi2->note.note;
--
GitLab
From b552f63cd43735048bbe9bfbb7a9dcfce166fbdd Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Date: Mon, 15 Apr 2024 21:02:12 +0200
Subject: [PATCH 2682/2686] thermal/debugfs: Add missing count increment to
thermal_debug_tz_trip_up()
The count field in struct trip_stats, representing the number of times
the zone temperature was above the trip point, needs to be incremented
in thermal_debug_tz_trip_up(), for two reasons.
First, if a trip point is crossed on the way up for the first time,
thermal_debug_update_temp() called from update_temperature() does
not see it because it has not been added to trips_crossed[] array
in the thermal zone's struct tz_debugfs object yet. Therefore, when
thermal_debug_tz_trip_up() is called after that, the trip point's
count value is 0, and the attempt to divide by it during the average
temperature computation leads to a divide error which causes the kernel
to crash. Setting the count to 1 before the division by incrementing it
fixes this problem.
Second, if a trip point is crossed on the way up, but it has been
crossed on the way up already before, its count value needs to be
incremented to make a record of the fact that the zone temperature is
above the trip now. Without doing that, if the mitigations applied
after crossing the trip cause the zone temperature to drop below its
threshold, the count will not be updated for this episode at all and
the average temperature in the trip statistics record will be somewhat
higher than it should be.
Fixes: 7ef01f228c9f ("thermal/debugfs: Add thermal debugfs information for mitigation episodes")
Cc :6.8+ <stable@vger.kernel.org> # 6.8+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/thermal/thermal_debugfs.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/thermal/thermal_debugfs.c b/drivers/thermal/thermal_debugfs.c
index c617e8b9f0ddf..d78d54ae2605e 100644
--- a/drivers/thermal/thermal_debugfs.c
+++ b/drivers/thermal/thermal_debugfs.c
@@ -616,6 +616,7 @@ void thermal_debug_tz_trip_up(struct thermal_zone_device *tz,
tze->trip_stats[trip_id].timestamp = now;
tze->trip_stats[trip_id].max = max(tze->trip_stats[trip_id].max, temperature);
tze->trip_stats[trip_id].min = min(tze->trip_stats[trip_id].min, temperature);
+ tze->trip_stats[trip_id].count++;
tze->trip_stats[trip_id].avg = tze->trip_stats[trip_id].avg +
(temperature - tze->trip_stats[trip_id].avg) /
tze->trip_stats[trip_id].count;
--
GitLab
From 01bc4fda9ea0a6b52f12326486f07a4910666cf6 Mon Sep 17 00:00:00 2001
From: Li Nan <linan122@huawei.com>
Date: Fri, 19 Apr 2024 17:32:57 +0800
Subject: [PATCH 2683/2686] blk-iocost: do not WARN if iocg was already
offlined
In iocg_pay_debt(), warn is triggered if 'active_list' is empty, which
is intended to confirm iocg is active when it has debt. However, warn
can be triggered during a blkcg or disk removal, if iocg_waitq_timer_fn()
is run at that time:
WARNING: CPU: 0 PID: 2344971 at block/blk-iocost.c:1402 iocg_pay_debt+0x14c/0x190
Call trace:
iocg_pay_debt+0x14c/0x190
iocg_kick_waitq+0x438/0x4c0
iocg_waitq_timer_fn+0xd8/0x130
__run_hrtimer+0x144/0x45c
__hrtimer_run_queues+0x16c/0x244
hrtimer_interrupt+0x2cc/0x7b0
The warn in this situation is meaningless. Since this iocg is being
removed, the state of the 'active_list' is irrelevant, and 'waitq_timer'
is canceled after removing 'active_list' in ioc_pd_free(), which ensures
iocg is freed after iocg_waitq_timer_fn() returns.
Therefore, add the check if iocg was already offlined to avoid warn
when removing a blkcg or disk.
Signed-off-by: Li Nan <linan122@huawei.com>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20240419093257.3004211-1-linan666@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/blk-iocost.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index baa20c85799d5..690ca99dfaca6 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -1439,8 +1439,11 @@ static void iocg_pay_debt(struct ioc_gq *iocg, u64 abs_vpay,
lockdep_assert_held(&iocg->ioc->lock);
lockdep_assert_held(&iocg->waitq.lock);
- /* make sure that nobody messed with @iocg */
- WARN_ON_ONCE(list_empty(&iocg->active_list));
+ /*
+ * make sure that nobody messed with @iocg. Check iocg->pd.online
+ * to avoid warn when removing blkcg or disk.
+ */
+ WARN_ON_ONCE(list_empty(&iocg->active_list) && iocg->pd.online);
WARN_ON_ONCE(iocg->inuse > 1);
iocg->abs_vdebt -= min(abs_vpay, iocg->abs_vdebt);
--
GitLab
From 50449ca66cc5a8cbc64749cf4b9f3d3fc5f4b457 Mon Sep 17 00:00:00 2001
From: Yaxiong Tian <tianyaxiong@kylinos.cn>
Date: Wed, 17 Apr 2024 10:52:48 +0800
Subject: [PATCH 2684/2686] arm64: hibernate: Fix level3 translation fault in
swsusp_save()
On arm64 machines, swsusp_save() faults if it attempts to access
MEMBLOCK_NOMAP memory ranges. This can be reproduced in QEMU using UEFI
when booting with rodata=off debug_pagealloc=off and CONFIG_KFENCE=n:
Unable to handle kernel paging request at virtual address ffffff8000000000
Mem abort info:
ESR = 0x0000000096000007
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x07: level 3 translation fault
Data abort info:
ISV = 0, ISS = 0x00000007, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
swapper pgtable: 4k pages, 39-bit VAs, pgdp=00000000eeb0b000
[ffffff8000000000] pgd=180000217fff9803, p4d=180000217fff9803, pud=180000217fff9803, pmd=180000217fff8803, pte=0000000000000000
Internal error: Oops: 0000000096000007 [#1] SMP
Internal error: Oops: 0000000096000007 [#1] SMP
Modules linked in: xt_multiport ipt_REJECT nf_reject_ipv4 xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_filter bpfilter rfkill at803x snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg dwmac_generic stmmac_platform snd_hda_codec stmmac joydev pcs_xpcs snd_hda_core phylink ppdev lp parport ramoops reed_solomon ip_tables x_tables nls_iso8859_1 vfat multipath linear amdgpu amdxcp drm_exec gpu_sched drm_buddy hid_generic usbhid hid radeon video drm_suballoc_helper drm_ttm_helper ttm i2c_algo_bit drm_display_helper cec drm_kms_helper drm
CPU: 0 PID: 3663 Comm: systemd-sleep Not tainted 6.6.2+ #76
Source Version: 4e22ed63a0a48e7a7cff9b98b7806d8d4add7dc0
Hardware name: Greatwall GW-XXXXXX-XXX/GW-XXXXXX-XXX, BIOS KunLun BIOS V4.0 01/19/2021
pstate: 600003c5 (nZCv DAIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : swsusp_save+0x280/0x538
lr : swsusp_save+0x280/0x538
sp : ffffffa034a3fa40
x29: ffffffa034a3fa40 x28: ffffff8000001000 x27: 0000000000000000
x26: ffffff8001400000 x25: ffffffc08113e248 x24: 0000000000000000
x23: 0000000000080000 x22: ffffffc08113e280 x21: 00000000000c69f2
x20: ffffff8000000000 x19: ffffffc081ae2500 x18: 0000000000000000
x17: 6666662074736420 x16: 3030303030303030 x15: 3038666666666666
x14: 0000000000000b69 x13: ffffff9f89088530 x12: 00000000ffffffea
x11: 00000000ffff7fff x10: 00000000ffff7fff x9 : ffffffc08193f0d0
x8 : 00000000000bffe8 x7 : c0000000ffff7fff x6 : 0000000000000001
x5 : ffffffa0fff09dc8 x4 : 0000000000000000 x3 : 0000000000000027
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 000000000000004e
Call trace:
swsusp_save+0x280/0x538
swsusp_arch_suspend+0x148/0x190
hibernation_snapshot+0x240/0x39c
hibernate+0xc4/0x378
state_store+0xf0/0x10c
kobj_attr_store+0x14/0x24
The reason is swsusp_save() -> copy_data_pages() -> page_is_saveable()
-> kernel_page_present() assuming that a page is always present when
can_set_direct_map() is false (all of rodata_full,
debug_pagealloc_enabled() and arm64_kfence_can_set_direct_map() false),
irrespective of the MEMBLOCK_NOMAP ranges. Such MEMBLOCK_NOMAP regions
should not be saved during hibernation.
This problem was introduced by changes to the pfn_valid() logic in
commit a7d9f306ba70 ("arm64: drop pfn_valid_within() and simplify
pfn_valid()").
Similar to other architectures, drop the !can_set_direct_map() check in
kernel_page_present() so that page_is_savable() skips such pages.
Fixes: a7d9f306ba70 ("arm64: drop pfn_valid_within() and simplify pfn_valid()")
Cc: <stable@vger.kernel.org> # 5.14.x
Suggested-by: Mike Rapoport <rppt@kernel.org>
Suggested-by: Catalin Marinas <catalin.marinas@arm.com>
Co-developed-by: xiongxin <xiongxin@kylinos.cn>
Signed-off-by: xiongxin <xiongxin@kylinos.cn>
Signed-off-by: Yaxiong Tian <tianyaxiong@kylinos.cn>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Link: https://lore.kernel.org/r/20240417025248.386622-1-tianyaxiong@kylinos.cn
[catalin.marinas@arm.com: rework commit message]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
arch/arm64/mm/pageattr.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/arm64/mm/pageattr.c b/arch/arm64/mm/pageattr.c
index 0c4e3ecf989d4..0e270a1c51e64 100644
--- a/arch/arm64/mm/pageattr.c
+++ b/arch/arm64/mm/pageattr.c
@@ -219,9 +219,6 @@ bool kernel_page_present(struct page *page)
pte_t *ptep;
unsigned long addr = (unsigned long)page_address(page);
- if (!can_set_direct_map())
- return true;
-
pgdp = pgd_offset_k(addr);
if (pgd_none(READ_ONCE(*pgdp)))
return false;
--
GitLab
From 366c5cec9ce473f68925d703a07cac56e1d16956 Mon Sep 17 00:00:00 2001
From: James Bottomley <James.Bottomley@HansenPartnership.com>
Date: Sat, 20 Apr 2024 08:34:09 -0400
Subject: [PATCH 2685/2686] MAINTAINERS: update to working email address
jejb@linux.ibm.com no longer works.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
MAINTAINERS | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index c23fda1aa1f09..e5121ff5e60ef 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11995,7 +11995,7 @@ F: include/keys/encrypted-type.h
F: security/keys/encrypted-keys/
KEYS-TRUSTED
-M: James Bottomley <jejb@linux.ibm.com>
+M: James Bottomley <James.Bottomley@HansenPartnership.com>
M: Jarkko Sakkinen <jarkko@kernel.org>
M: Mimi Zohar <zohar@linux.ibm.com>
L: linux-integrity@vger.kernel.org
@@ -19669,7 +19669,7 @@ F: drivers/scsi/sg.c
F: include/scsi/sg.h
SCSI SUBSYSTEM
-M: "James E.J. Bottomley" <jejb@linux.ibm.com>
+M: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
M: "Martin K. Petersen" <martin.petersen@oracle.com>
L: linux-scsi@vger.kernel.org
S: Maintained
--
GitLab
From ed30a4a51bb196781c8058073ea720133a65596f Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 21 Apr 2024 12:35:54 -0700
Subject: [PATCH 2686/2686] Linux 6.9-rc5
---
Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 59d8a7f95d0a8..43b10f3d438cf 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 6
PATCHLEVEL = 9
SUBLEVEL = 0
-EXTRAVERSION = -rc4
+EXTRAVERSION = -rc5
NAME = Hurr durr I'ma ninja sloth
# *DOCUMENTATION*
--
GitLab